/*
* This file is part of the Chelsio T4 Ethernet driver for Linux .
*
* Copyright ( c ) 2003 - 2016 Chelsio Communications , Inc . All rights reserved .
*
* This software is available to you under a choice of one of two
* licenses . You may choose to be licensed under the terms of the GNU
* General Public License ( GPL ) Version 2 , available from the file
* COPYING in the main directory of this source tree , or the
* OpenIB . org BSD license below :
*
* Redistribution and use in source and binary forms , with or
* without modification , are permitted provided that the following
* conditions are met :
*
* - Redistributions of source code must retain the above
* copyright notice , this list of conditions and the following
* disclaimer .
*
* - Redistributions in binary form must reproduce the above
* copyright notice , this list of conditions and the following
* disclaimer in the documentation and / or other materials
* provided with the distribution .
*
* THE SOFTWARE IS PROVIDED " AS IS " , WITHOUT WARRANTY OF ANY KIND ,
* EXPRESS OR IMPLIED , INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY , FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT . IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM , DAMAGES OR OTHER LIABILITY , WHETHER IN AN
* ACTION OF CONTRACT , TORT OR OTHERWISE , ARISING FROM , OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE .
*/
#include <linux/delay.h>
#include "cxgb4.h"
#include "t4_regs.h"
#include "t4_values.h"
#include "t4fw_api.h"
#include "t4fw_version.h"
/**
* t4_wait_op_done_val - wait until an operation is completed
* @ adapter : the adapter performing the operation
* @ reg : the register to check for completion
* @ mask : a single - bit field within @ reg that indicates completion
* @ polarity : the value of the field when the operation is completed
* @ attempts : number of check iterations
* @ delay : delay in usecs between iterations
* @ valp : where to store the value of the register at completion time
*
* Wait until an operation is completed by checking a bit in a register
* up to @ attempts times . If @ valp is not NULL the value of the register
* at the time it indicated completion is stored there . Returns 0 if the
* operation completes and - EAGAIN otherwise .
*/
static int t4_wait_op_done_val(struct adapter *adapter, int reg, u32 mask,
int polarity, int attempts, int delay, u32 *valp)
{
while (1 ) {
u32 val = t4_read_reg(adapter, reg);
if (!!(val & mask) == polarity) {
if (valp)
*valp = val;
return 0 ;
}
if (--attempts == 0 )
return -EAGAIN;
if (delay)
udelay(delay);
}
}
static inline int t4_wait_op_done(struct adapter *adapter, int reg, u32 mask,
int polarity, int attempts, int delay)
{
return t4_wait_op_done_val(adapter, reg, mask, polarity, attempts,
delay, NULL);
}
/**
* t4_set_reg_field - set a register field to a value
* @ adapter : the adapter to program
* @ addr : the register address
* @ mask : specifies the portion of the register to modify
* @ val : the new value for the register field
*
* Sets a register field specified by the supplied mask to the
* given value .
*/
void t4_set_reg_field(struct adapter *adapter, unsigned int addr, u32 mask,
u32 val)
{
u32 v = t4_read_reg(adapter, addr) & ~mask;
t4_write_reg(adapter, addr, v | val);
(void ) t4_read_reg(adapter, addr); /* flush */
}
/**
* t4_read_indirect - read indirectly addressed registers
* @ adap : the adapter
* @ addr_reg : register holding the indirect address
* @ data_reg : register holding the value of the indirect register
* @ vals : where the read register values are stored
* @ nregs : how many indirect registers to read
* @ start_idx : index of first indirect register to read
*
* Reads registers that are accessed indirectly through an address / data
* register pair .
*/
void t4_read_indirect(struct adapter *adap, unsigned int addr_reg,
unsigned int data_reg, u32 *vals,
unsigned int nregs, unsigned int start_idx)
{
while (nregs--) {
t4_write_reg(adap, addr_reg, start_idx);
*vals++ = t4_read_reg(adap, data_reg);
start_idx++;
}
}
/**
* t4_write_indirect - write indirectly addressed registers
* @ adap : the adapter
* @ addr_reg : register holding the indirect addresses
* @ data_reg : register holding the value for the indirect registers
* @ vals : values to write
* @ nregs : how many indirect registers to write
* @ start_idx : address of first indirect register to write
*
* Writes a sequential block of registers that are accessed indirectly
* through an address / data register pair .
*/
void t4_write_indirect(struct adapter *adap, unsigned int addr_reg,
unsigned int data_reg, const u32 *vals,
unsigned int nregs, unsigned int start_idx)
{
while (nregs--) {
t4_write_reg(adap, addr_reg, start_idx++);
t4_write_reg(adap, data_reg, *vals++);
}
}
/*
* Read a 32 - bit PCI Configuration Space register via the PCI - E backdoor
* mechanism . This guarantees that we get the real value even if we ' re
* operating within a Virtual Machine and the Hypervisor is trapping our
* Configuration Space accesses .
*/
void t4_hw_pci_read_cfg4(struct adapter *adap, int reg, u32 *val)
{
u32 req = FUNCTION_V(adap->pf) | REGISTER_V(reg);
if (CHELSIO_CHIP_VERSION(adap->params.chip) <= CHELSIO_T5)
req |= ENABLE_F;
else
req |= T6_ENABLE_F;
if (is_t4(adap->params.chip))
req |= LOCALCFG_F;
t4_write_reg(adap, PCIE_CFG_SPACE_REQ_A, req);
*val = t4_read_reg(adap, PCIE_CFG_SPACE_DATA_A);
/* Reset ENABLE to 0 so reads of PCIE_CFG_SPACE_DATA won't cause a
* Configuration Space read . ( None of the other fields matter when
* ENABLE is 0 so a simple register write is easier than a
* read - modify - write via t4_set_reg_field ( ) . )
*/
t4_write_reg(adap, PCIE_CFG_SPACE_REQ_A, 0 );
}
/*
* t4_report_fw_error - report firmware error
* @ adap : the adapter
*
* The adapter firmware can indicate error conditions to the host .
* If the firmware has indicated an error , print out the reason for
* the firmware error .
*/
static void t4_report_fw_error(struct adapter *adap)
{
static const char *const reason[] = {
"Crash" , /* PCIE_FW_EVAL_CRASH */
"During Device Preparation" , /* PCIE_FW_EVAL_PREP */
"During Device Configuration" , /* PCIE_FW_EVAL_CONF */
"During Device Initialization" , /* PCIE_FW_EVAL_INIT */
"Unexpected Event" , /* PCIE_FW_EVAL_UNEXPECTEDEVENT */
"Insufficient Airflow" , /* PCIE_FW_EVAL_OVERHEAT */
"Device Shutdown" , /* PCIE_FW_EVAL_DEVICESHUTDOWN */
"Reserved" , /* reserved */
};
u32 pcie_fw;
pcie_fw = t4_read_reg(adap, PCIE_FW_A);
if (pcie_fw & PCIE_FW_ERR_F) {
dev_err(adap->pdev_dev, "Firmware reports adapter error: %s\n" ,
reason[PCIE_FW_EVAL_G(pcie_fw)]);
adap->flags &= ~CXGB4_FW_OK;
}
}
/*
* Get the reply to a mailbox command and store it in @ rpl in big - endian order .
*/
static void get_mbox_rpl(struct adapter *adap, __be64 *rpl, int nflit,
u32 mbox_addr)
{
for ( ; nflit; nflit--, mbox_addr += 8 )
*rpl++ = cpu_to_be64(t4_read_reg64(adap, mbox_addr));
}
/*
* Handle a FW assertion reported in a mailbox .
*/
static void fw_asrt(struct adapter *adap, u32 mbox_addr)
{
struct fw_debug_cmd asrt;
get_mbox_rpl(adap, (__be64 *)&asrt, sizeof (asrt) / 8 , mbox_addr);
dev_alert(adap->pdev_dev,
"FW assertion at %.16s:%u, val0 %#x, val1 %#x\n" ,
asrt.u.assert.filename_0_7, be32_to_cpu(asrt.u.assert.line),
be32_to_cpu(asrt.u.assert.x), be32_to_cpu(asrt.u.assert.y));
}
/**
* t4_record_mbox - record a Firmware Mailbox Command / Reply in the log
* @ adapter : the adapter
* @ cmd : the Firmware Mailbox Command or Reply
* @ size : command length in bytes
* @ access : the time ( ms ) needed to access the Firmware Mailbox
* @ execute : the time ( ms ) the command spent being executed
*/
static void t4_record_mbox(struct adapter *adapter,
const __be64 *cmd, unsigned int size,
int access, int execute)
{
struct mbox_cmd_log *log = adapter->mbox_log;
struct mbox_cmd *entry;
int i;
entry = mbox_cmd_log_entry(log, log->cursor++);
if (log->cursor == log->size)
log->cursor = 0 ;
for (i = 0 ; i < size / 8 ; i++)
entry->cmd[i] = be64_to_cpu(cmd[i]);
while (i < MBOX_LEN / 8 )
entry->cmd[i++] = 0 ;
entry->timestamp = jiffies;
entry->seqno = log->seqno++;
entry->access = access;
entry->execute = execute;
}
/**
* t4_wr_mbox_meat_timeout - send a command to FW through the given mailbox
* @ adap : the adapter
* @ mbox : index of the mailbox to use
* @ cmd : the command to write
* @ size : command length in bytes
* @ rpl : where to optionally store the reply
* @ sleep_ok : if true we may sleep while awaiting command completion
* @ timeout : time to wait for command to finish before timing out
*
* Sends the given command to FW through the selected mailbox and waits
* for the FW to execute the command . If @ rpl is not % NULL it is used to
* store the FW ' s reply to the command . The command and its optional
* reply are of the same length . FW can take up to % FW_CMD_MAX_TIMEOUT ms
* to respond . @ sleep_ok determines whether we may sleep while awaiting
* the response . If sleeping is allowed we use progressive backoff
* otherwise we spin .
*
* The return value is 0 on success or a negative errno on failure . A
* failure can happen either because we are not able to execute the
* command or FW executes it but signals an error . In the latter case
* the return value is the error code indicated by FW ( negated ) .
*/
int t4_wr_mbox_meat_timeout(struct adapter *adap, int mbox, const void *cmd,
int size, void *rpl, bool sleep_ok, int timeout)
{
static const int delay[] = {
1 , 1 , 3 , 5 , 10 , 10 , 20 , 50 , 100 , 200
};
struct mbox_list entry;
u16 access = 0 ;
u16 execute = 0 ;
u32 v;
u64 res;
int i, ms, delay_idx, ret;
const __be64 *p = cmd;
u32 data_reg = PF_REG(mbox, CIM_PF_MAILBOX_DATA_A);
u32 ctl_reg = PF_REG(mbox, CIM_PF_MAILBOX_CTRL_A);
__be64 cmd_rpl[MBOX_LEN / 8 ];
u32 pcie_fw;
if ((size & 15 ) || size > MBOX_LEN)
return -EINVAL;
/*
* If the device is off - line , as in EEH , commands will time out .
* Fail them early so we don ' t waste time waiting .
*/
if (adap->pdev->error_state != pci_channel_io_normal)
return -EIO;
/* If we have a negative timeout, that implies that we can't sleep. */
if (timeout < 0 ) {
sleep_ok = false ;
timeout = -timeout;
}
/* Queue ourselves onto the mailbox access list. When our entry is at
* the front of the list , we have rights to access the mailbox . So we
* wait [ for a while ] till we ' re at the front [ or bail out with an
* EBUSY ] . . .
*/
spin_lock_bh(&adap->mbox_lock);
list_add_tail(&entry.list, &adap->mlist.list);
spin_unlock_bh(&adap->mbox_lock);
delay_idx = 0 ;
ms = delay[0 ];
for (i = 0 ; ; i += ms) {
/* If we've waited too long, return a busy indication. This
* really ought to be based on our initial position in the
* mailbox access list but this is a start . We very rarely
* contend on access to the mailbox . . .
*/
pcie_fw = t4_read_reg(adap, PCIE_FW_A);
if (i > FW_CMD_MAX_TIMEOUT || (pcie_fw & PCIE_FW_ERR_F)) {
spin_lock_bh(&adap->mbox_lock);
list_del(&entry.list);
spin_unlock_bh(&adap->mbox_lock);
ret = (pcie_fw & PCIE_FW_ERR_F) ? -ENXIO : -EBUSY;
t4_record_mbox(adap, cmd, size, access, ret);
return ret;
}
/* If we're at the head, break out and start the mailbox
* protocol .
*/
if (list_first_entry(&adap->mlist.list, struct mbox_list,
list) == &entry)
break ;
/* Delay for a bit before checking again ... */
if (sleep_ok) {
ms = delay[delay_idx]; /* last element may repeat */
if (delay_idx < ARRAY_SIZE(delay) - 1 )
delay_idx++;
msleep(ms);
} else {
mdelay(ms);
}
}
/* Loop trying to get ownership of the mailbox. Return an error
* if we can ' t gain ownership .
*/
v = MBOWNER_G(t4_read_reg(adap, ctl_reg));
for (i = 0 ; v == MBOX_OWNER_NONE && i < 3 ; i++)
v = MBOWNER_G(t4_read_reg(adap, ctl_reg));
if (v != MBOX_OWNER_DRV) {
spin_lock_bh(&adap->mbox_lock);
list_del(&entry.list);
spin_unlock_bh(&adap->mbox_lock);
ret = (v == MBOX_OWNER_FW) ? -EBUSY : -ETIMEDOUT;
t4_record_mbox(adap, cmd, size, access, ret);
return ret;
}
/* Copy in the new mailbox command and send it on its way ... */
t4_record_mbox(adap, cmd, size, access, 0 );
for (i = 0 ; i < size; i += 8 )
t4_write_reg64(adap, data_reg + i, be64_to_cpu(*p++));
t4_write_reg(adap, ctl_reg, MBMSGVALID_F | MBOWNER_V(MBOX_OWNER_FW));
t4_read_reg(adap, ctl_reg); /* flush write */
delay_idx = 0 ;
ms = delay[0 ];
for (i = 0 ;
!((pcie_fw = t4_read_reg(adap, PCIE_FW_A)) & PCIE_FW_ERR_F) &&
i < timeout;
i += ms) {
if (sleep_ok) {
ms = delay[delay_idx]; /* last element may repeat */
if (delay_idx < ARRAY_SIZE(delay) - 1 )
delay_idx++;
msleep(ms);
} else
mdelay(ms);
v = t4_read_reg(adap, ctl_reg);
if (MBOWNER_G(v) == MBOX_OWNER_DRV) {
if (!(v & MBMSGVALID_F)) {
t4_write_reg(adap, ctl_reg, 0 );
continue ;
}
get_mbox_rpl(adap, cmd_rpl, MBOX_LEN / 8 , data_reg);
res = be64_to_cpu(cmd_rpl[0 ]);
if (FW_CMD_OP_G(res >> 32 ) == FW_DEBUG_CMD) {
fw_asrt(adap, data_reg);
res = FW_CMD_RETVAL_V(EIO);
} else if (rpl) {
memcpy(rpl, cmd_rpl, size);
}
t4_write_reg(adap, ctl_reg, 0 );
execute = i + ms;
t4_record_mbox(adap, cmd_rpl,
MBOX_LEN, access, execute);
spin_lock_bh(&adap->mbox_lock);
list_del(&entry.list);
spin_unlock_bh(&adap->mbox_lock);
return -FW_CMD_RETVAL_G((int )res);
}
}
ret = (pcie_fw & PCIE_FW_ERR_F) ? -ENXIO : -ETIMEDOUT;
t4_record_mbox(adap, cmd, size, access, ret);
dev_err(adap->pdev_dev, "command %#x in mailbox %d timed out\n" ,
*(const u8 *)cmd, mbox);
t4_report_fw_error(adap);
spin_lock_bh(&adap->mbox_lock);
list_del(&entry.list);
spin_unlock_bh(&adap->mbox_lock);
t4_fatal_err(adap);
return ret;
}
int t4_wr_mbox_meat(struct adapter *adap, int mbox, const void *cmd, int size,
void *rpl, bool sleep_ok)
{
return t4_wr_mbox_meat_timeout(adap, mbox, cmd, size, rpl, sleep_ok,
FW_CMD_MAX_TIMEOUT);
}
static int t4_edc_err_read(struct adapter *adap, int idx)
{
u32 edc_ecc_err_addr_reg;
u32 rdata_reg;
if (is_t4(adap->params.chip)) {
CH_WARN(adap, "%s: T4 NOT supported.\n" , __func__);
return 0 ;
}
if (idx != 0 && idx != 1 ) {
CH_WARN(adap, "%s: idx %d NOT supported.\n" , __func__, idx);
return 0 ;
}
edc_ecc_err_addr_reg = EDC_T5_REG(EDC_H_ECC_ERR_ADDR_A, idx);
rdata_reg = EDC_T5_REG(EDC_H_BIST_STATUS_RDATA_A, idx);
CH_WARN(adap,
"edc%d err addr 0x%x: 0x%x.\n" ,
idx, edc_ecc_err_addr_reg,
t4_read_reg(adap, edc_ecc_err_addr_reg));
CH_WARN(adap,
"bist: 0x%x, status %llx %llx %llx %llx %llx %llx %llx %llx %llx.\n" ,
rdata_reg,
(unsigned long long )t4_read_reg64(adap, rdata_reg),
(unsigned long long )t4_read_reg64(adap, rdata_reg + 8 ),
(unsigned long long )t4_read_reg64(adap, rdata_reg + 16 ),
(unsigned long long )t4_read_reg64(adap, rdata_reg + 24 ),
(unsigned long long )t4_read_reg64(adap, rdata_reg + 32 ),
(unsigned long long )t4_read_reg64(adap, rdata_reg + 40 ),
(unsigned long long )t4_read_reg64(adap, rdata_reg + 48 ),
(unsigned long long )t4_read_reg64(adap, rdata_reg + 56 ),
(unsigned long long )t4_read_reg64(adap, rdata_reg + 64 ));
return 0 ;
}
/**
* t4_memory_rw_init - Get memory window relative offset , base , and size .
* @ adap : the adapter
* @ win : PCI - E Memory Window to use
* @ mtype : memory type : MEM_EDC0 , MEM_EDC1 , MEM_HMA or MEM_MC
* @ mem_off : memory relative offset with respect to @ mtype .
* @ mem_base : configured memory base address .
* @ mem_aperture : configured memory window aperture .
*
* Get the configured memory window ' s relative offset , base , and size .
*/
int t4_memory_rw_init(struct adapter *adap, int win, int mtype, u32 *mem_off,
u32 *mem_base, u32 *mem_aperture)
{
u32 edc_size, mc_size, mem_reg;
/* Offset into the region of memory which is being accessed
* MEM_EDC0 = 0
* MEM_EDC1 = 1
* MEM_MC = 2 - - MEM_MC for chips with only 1 memory controller
* MEM_MC1 = 3 - - for chips with 2 memory controllers ( e . g . T5 )
* MEM_HMA = 4
*/
edc_size = EDRAM0_SIZE_G(t4_read_reg(adap, MA_EDRAM0_BAR_A));
if (mtype == MEM_HMA) {
*mem_off = 2 * (edc_size * 1024 * 1024 );
} else if (mtype != MEM_MC1) {
*mem_off = (mtype * (edc_size * 1024 * 1024 ));
} else {
mc_size = EXT_MEM0_SIZE_G(t4_read_reg(adap,
MA_EXT_MEMORY0_BAR_A));
*mem_off = (MEM_MC0 * edc_size + mc_size) * 1024 * 1024 ;
}
/* Each PCI-E Memory Window is programmed with a window size -- or
* " aperture " - - which controls the granularity of its mapping onto
* adapter memory . We need to grab that aperture in order to know
* how to use the specified window . The window is also programmed
* with the base address of the Memory Window in BAR0 ' s address
* space . For T4 this is an absolute PCI - E Bus Address . For T5
* the address is relative to BAR0 .
*/
mem_reg = t4_read_reg(adap,
PCIE_MEM_ACCESS_REG(PCIE_MEM_ACCESS_BASE_WIN_A,
win));
/* a dead adapter will return 0xffffffff for PIO reads */
if (mem_reg == 0 xffffffff)
return -ENXIO;
*mem_aperture = 1 << (WINDOW_G(mem_reg) + WINDOW_SHIFT_X);
*mem_base = PCIEOFST_G(mem_reg) << PCIEOFST_SHIFT_X;
if (is_t4(adap->params.chip))
*mem_base -= adap->t4_bar0;
return 0 ;
}
/**
* t4_memory_update_win - Move memory window to specified address .
* @ adap : the adapter
* @ win : PCI - E Memory Window to use
* @ addr : location to move .
*
* Move memory window to specified address .
*/
void t4_memory_update_win(struct adapter *adap, int win, u32 addr)
{
t4_write_reg(adap,
PCIE_MEM_ACCESS_REG(PCIE_MEM_ACCESS_OFFSET_A, win),
addr);
/* Read it back to ensure that changes propagate before we
* attempt to use the new value .
*/
t4_read_reg(adap,
PCIE_MEM_ACCESS_REG(PCIE_MEM_ACCESS_OFFSET_A, win));
}
/**
* t4_memory_rw_residual - Read / Write residual data .
* @ adap : the adapter
* @ off : relative offset within residual to start read / write .
* @ addr : address within indicated memory type .
* @ buf : host memory buffer
* @ dir : direction of transfer T4_MEMORY_READ ( 1 ) or T4_MEMORY_WRITE ( 0 )
*
* Read / Write residual data less than 32 - bits .
*/
void t4_memory_rw_residual(struct adapter *adap, u32 off, u32 addr, u8 *buf,
int dir)
{
union {
u32 word;
char byte[4 ];
} last;
unsigned char *bp;
int i;
if (dir == T4_MEMORY_READ) {
last.word = le32_to_cpu((__force __le32)
t4_read_reg(adap, addr));
for (bp = (unsigned char *)buf, i = off; i < 4 ; i++)
bp[i] = last.byte[i];
} else {
last.word = *buf;
for (i = off; i < 4 ; i++)
last.byte[i] = 0 ;
t4_write_reg(adap, addr,
(__force u32)cpu_to_le32(last.word));
}
}
/**
* t4_memory_rw - read / write EDC 0 , EDC 1 or MC via PCIE memory window
* @ adap : the adapter
* @ win : PCI - E Memory Window to use
* @ mtype : memory type : MEM_EDC0 , MEM_EDC1 or MEM_MC
* @ addr : address within indicated memory type
* @ len : amount of memory to transfer
* @ hbuf : host memory buffer
* @ dir : direction of transfer T4_MEMORY_READ ( 1 ) or T4_MEMORY_WRITE ( 0 )
*
* Reads / writes an [ almost ] arbitrary memory region in the firmware : the
* firmware memory address and host buffer must be aligned on 32 - bit
* boundaries ; the length may be arbitrary . The memory is transferred as
* a raw byte sequence from / to the firmware ' s memory . If this memory
* contains data structures which contain multi - byte integers , it ' s the
* caller ' s responsibility to perform appropriate byte order conversions .
*/
int t4_memory_rw(struct adapter *adap, int win, int mtype, u32 addr,
u32 len, void *hbuf, int dir)
{
u32 pos, offset, resid, memoffset;
u32 win_pf, mem_aperture, mem_base;
u32 *buf;
int ret;
/* Argument sanity checks ...
*/
if (addr & 0 x3 || (uintptr_t)hbuf & 0 x3)
return -EINVAL;
buf = (u32 *)hbuf;
/* It's convenient to be able to handle lengths which aren't a
* multiple of 32 - bits because we often end up transferring files to
* the firmware . So we ' ll handle that by normalizing the length here
* and then handling any residual transfer at the end .
*/
resid = len & 0 x3;
len -= resid;
ret = t4_memory_rw_init(adap, win, mtype, &memoffset, &mem_base,
&mem_aperture);
if (ret)
return ret;
/* Determine the PCIE_MEM_ACCESS_OFFSET */
addr = addr + memoffset;
win_pf = is_t4(adap->params.chip) ? 0 : PFNUM_V(adap->pf);
/* Calculate our initial PCI-E Memory Window Position and Offset into
* that Window .
*/
pos = addr & ~(mem_aperture - 1 );
offset = addr - pos;
/* Set up initial PCI-E Memory Window to cover the start of our
* transfer .
*/
t4_memory_update_win(adap, win, pos | win_pf);
/* Transfer data to/from the adapter as long as there's an integral
* number of 32 - bit transfers to complete .
*
* A note on Endianness issues :
*
* The " register " reads and writes below from / to the PCI - E Memory
* Window invoke the standard adapter Big - Endian to PCI - E Link
* Little - Endian " swizzel . " As a result , if we have the following
* data in adapter memory :
*
* Memory : . . . | b0 | b1 | b2 | b3 | . . .
* Address : i + 0 i + 1 i + 2 i + 3
*
* Then a read of the adapter memory via the PCI - E Memory Window
* will yield :
*
* x = readl ( i )
* 31 0
* [ b3 | b2 | b1 | b0 ]
*
* If this value is stored into local memory on a Little - Endian system
* it will show up correctly in local memory as :
*
* ( . . . , b0 , b1 , b2 , b3 , . . . )
*
* But on a Big - Endian system , the store will show up in memory
* incorrectly swizzled as :
*
* ( . . . , b3 , b2 , b1 , b0 , . . . )
*
* So we need to account for this in the reads and writes to the
* PCI - E Memory Window below by undoing the register read / write
* swizzels .
*/
while (len > 0 ) {
if (dir == T4_MEMORY_READ)
*buf++ = le32_to_cpu((__force __le32)t4_read_reg(adap,
mem_base + offset));
else
t4_write_reg(adap, mem_base + offset,
(__force u32)cpu_to_le32(*buf++));
offset += sizeof (__be32);
len -= sizeof (__be32);
/* If we've reached the end of our current window aperture,
* move the PCI - E Memory Window on to the next . Note that
* doing this here after " len " may be 0 allows us to set up
* the PCI - E Memory Window for a possible final residual
* transfer below . . .
*/
if (offset == mem_aperture) {
pos += mem_aperture;
offset = 0 ;
t4_memory_update_win(adap, win, pos | win_pf);
}
}
/* If the original transfer had a length which wasn't a multiple of
* 32 - bits , now ' s where we need to finish off the transfer of the
* residual amount . The PCI - E Memory Window has already been moved
* above ( if necessary ) to cover this final transfer .
*/
if (resid)
t4_memory_rw_residual(adap, resid, mem_base + offset,
(u8 *)buf, dir);
return 0 ;
}
/* Return the specified PCI-E Configuration Space register from our Physical
* Function . We try first via a Firmware LDST Command since we prefer to let
* the firmware own all of these registers , but if that fails we go for it
* directly ourselves .
*/
u32 t4_read_pcie_cfg4(struct adapter *adap, int reg)
{
u32 val, ldst_addrspace;
/* If fw_attach != 0, construct and send the Firmware LDST Command to
* retrieve the specified PCI - E Configuration Space register .
*/
struct fw_ldst_cmd ldst_cmd;
int ret;
memset(&ldst_cmd, 0 , sizeof (ldst_cmd));
ldst_addrspace = FW_LDST_CMD_ADDRSPACE_V(FW_LDST_ADDRSPC_FUNC_PCIE);
ldst_cmd.op_to_addrspace = cpu_to_be32(FW_CMD_OP_V(FW_LDST_CMD) |
FW_CMD_REQUEST_F |
FW_CMD_READ_F |
ldst_addrspace);
ldst_cmd.cycles_to_len16 = cpu_to_be32(FW_LEN16(ldst_cmd));
ldst_cmd.u.pcie.select_naccess = FW_LDST_CMD_NACCESS_V(1 );
ldst_cmd.u.pcie.ctrl_to_fn =
(FW_LDST_CMD_LC_F | FW_LDST_CMD_FN_V(adap->pf));
ldst_cmd.u.pcie.r = reg;
/* If the LDST Command succeeds, return the result, otherwise
* fall through to reading it directly ourselves . . .
*/
ret = t4_wr_mbox(adap, adap->mbox, &ldst_cmd, sizeof (ldst_cmd),
&ldst_cmd);
if (ret == 0 )
val = be32_to_cpu(ldst_cmd.u.pcie.data[0 ]);
else
/* Read the desired Configuration Space register via the PCI-E
* Backdoor mechanism .
*/
t4_hw_pci_read_cfg4(adap, reg, &val);
return val;
}
/* Get the window based on base passed to it.
* Window aperture is currently unhandled , but there is no use case for it
* right now
*/
static u32 t4_get_window(struct adapter *adap, u32 pci_base, u64 pci_mask,
u32 memwin_base)
{
u32 ret;
if (is_t4(adap->params.chip)) {
u32 bar0;
/* Truncation intentional: we only read the bottom 32-bits of
* the 64 - bit BAR0 / BAR1 . . . We use the hardware backdoor
* mechanism to read BAR0 instead of using
* pci_resource_start ( ) because we could be operating from
* within a Virtual Machine which is trapping our accesses to
* our Configuration Space and we need to set up the PCI - E
* Memory Window decoders with the actual addresses which will
* be coming across the PCI - E link .
*/
bar0 = t4_read_pcie_cfg4(adap, pci_base);
bar0 &= pci_mask;
adap->t4_bar0 = bar0;
ret = bar0 + memwin_base;
} else {
/* For T5, only relative offset inside the PCIe BAR is passed */
ret = memwin_base;
}
return ret;
}
/* Get the default utility window (win0) used by everyone */
u32 t4_get_util_window(struct adapter *adap)
{
return t4_get_window(adap, PCI_BASE_ADDRESS_0,
PCI_BASE_ADDRESS_MEM_MASK, MEMWIN0_BASE);
}
/* Set up memory window for accessing adapter memory ranges. (Read
* back MA register to ensure that changes propagate before we attempt
* to use the new values . )
*/
void t4_setup_memwin(struct adapter *adap, u32 memwin_base, u32 window)
{
t4_write_reg(adap,
PCIE_MEM_ACCESS_REG(PCIE_MEM_ACCESS_BASE_WIN_A, window),
memwin_base | BIR_V(0 ) |
WINDOW_V(ilog2(MEMWIN0_APERTURE) - WINDOW_SHIFT_X));
t4_read_reg(adap,
PCIE_MEM_ACCESS_REG(PCIE_MEM_ACCESS_BASE_WIN_A, window));
}
/**
* t4_get_regs_len - return the size of the chips register set
* @ adapter : the adapter
*
* Returns the size of the chip ' s BAR0 register space .
*/
unsigned int t4_get_regs_len(struct adapter *adapter)
{
unsigned int chip_version = CHELSIO_CHIP_VERSION(adapter->params.chip);
switch (chip_version) {
case CHELSIO_T4:
return T4_REGMAP_SIZE;
case CHELSIO_T5:
case CHELSIO_T6:
return T5_REGMAP_SIZE;
}
dev_err(adapter->pdev_dev,
"Unsupported chip version %d\n" , chip_version);
return 0 ;
}
/**
* t4_get_regs - read chip registers into provided buffer
* @ adap : the adapter
* @ buf : register buffer
* @ buf_size : size ( in bytes ) of register buffer
*
* If the provided register buffer isn ' t large enough for the chip ' s
* full register range , the register dump will be truncated to the
* register buffer ' s size .
*/
void t4_get_regs(struct adapter *adap, void *buf, size_t buf_size)
{
static const unsigned int t4_reg_ranges[] = {
0 x1008, 0 x1108,
0 x1180, 0 x1184,
0 x1190, 0 x1194,
0 x11a0, 0 x11a4,
0 x11b0, 0 x11b4,
0 x11fc, 0 x123c,
0 x1300, 0 x173c,
0 x1800, 0 x18fc,
0 x3000, 0 x30d8,
0 x30e0, 0 x30e4,
0 x30ec, 0 x5910,
0 x5920, 0 x5924,
0 x5960, 0 x5960,
0 x5968, 0 x5968,
0 x5970, 0 x5970,
0 x5978, 0 x5978,
0 x5980, 0 x5980,
0 x5988, 0 x5988,
0 x5990, 0 x5990,
0 x5998, 0 x5998,
0 x59a0, 0 x59d4,
0 x5a00, 0 x5ae0,
0 x5ae8, 0 x5ae8,
0 x5af0, 0 x5af0,
0 x5af8, 0 x5af8,
0 x6000, 0 x6098,
0 x6100, 0 x6150,
0 x6200, 0 x6208,
0 x6240, 0 x6248,
0 x6280, 0 x62b0,
0 x62c0, 0 x6338,
0 x6370, 0 x638c,
0 x6400, 0 x643c,
0 x6500, 0 x6524,
0 x6a00, 0 x6a04,
0 x6a14, 0 x6a38,
0 x6a60, 0 x6a70,
0 x6a78, 0 x6a78,
0 x6b00, 0 x6b0c,
0 x6b1c, 0 x6b84,
0 x6bf0, 0 x6bf8,
0 x6c00, 0 x6c0c,
0 x6c1c, 0 x6c84,
0 x6cf0, 0 x6cf8,
0 x6d00, 0 x6d0c,
0 x6d1c, 0 x6d84,
0 x6df0, 0 x6df8,
0 x6e00, 0 x6e0c,
0 x6e1c, 0 x6e84,
0 x6ef0, 0 x6ef8,
0 x6f00, 0 x6f0c,
0 x6f1c, 0 x6f84,
0 x6ff0, 0 x6ff8,
0 x7000, 0 x700c,
0 x701c, 0 x7084,
0 x70f0, 0 x70f8,
0 x7100, 0 x710c,
0 x711c, 0 x7184,
0 x71f0, 0 x71f8,
0 x7200, 0 x720c,
0 x721c, 0 x7284,
0 x72f0, 0 x72f8,
0 x7300, 0 x730c,
0 x731c, 0 x7384,
0 x73f0, 0 x73f8,
0 x7400, 0 x7450,
0 x7500, 0 x7530,
0 x7600, 0 x760c,
0 x7614, 0 x761c,
0 x7680, 0 x76cc,
0 x7700, 0 x7798,
0 x77c0, 0 x77fc,
0 x7900, 0 x79fc,
0 x7b00, 0 x7b58,
0 x7b60, 0 x7b84,
0 x7b8c, 0 x7c38,
0 x7d00, 0 x7d38,
0 x7d40, 0 x7d80,
0 x7d8c, 0 x7ddc,
0 x7de4, 0 x7e04,
0 x7e10, 0 x7e1c,
0 x7e24, 0 x7e38,
0 x7e40, 0 x7e44,
0 x7e4c, 0 x7e78,
0 x7e80, 0 x7ea4,
0 x7eac, 0 x7edc,
0 x7ee8, 0 x7efc,
0 x8dc0, 0 x8e04,
0 x8e10, 0 x8e1c,
0 x8e30, 0 x8e78,
0 x8ea0, 0 x8eb8,
0 x8ec0, 0 x8f6c,
0 x8fc0, 0 x9008,
0 x9010, 0 x9058,
0 x9060, 0 x9060,
0 x9068, 0 x9074,
0 x90fc, 0 x90fc,
0 x9400, 0 x9408,
0 x9410, 0 x9458,
0 x9600, 0 x9600,
0 x9608, 0 x9638,
0 x9640, 0 x96bc,
0 x9800, 0 x9808,
0 x9820, 0 x983c,
0 x9850, 0 x9864,
0 x9c00, 0 x9c6c,
0 x9c80, 0 x9cec,
0 x9d00, 0 x9d6c,
0 x9d80, 0 x9dec,
0 x9e00, 0 x9e6c,
0 x9e80, 0 x9eec,
0 x9f00, 0 x9f6c,
0 x9f80, 0 x9fec,
0 xd004, 0 xd004,
0 xd010, 0 xd03c,
0 xdfc0, 0 xdfe0,
0 xe000, 0 xea7c,
0 xf000, 0 x11110,
0 x11118, 0 x11190,
0 x19040, 0 x1906c,
0 x19078, 0 x19080,
0 x1908c, 0 x190e4,
0 x190f0, 0 x190f8,
0 x19100, 0 x19110,
0 x19120, 0 x19124,
0 x19150, 0 x19194,
0 x1919c, 0 x191b0,
0 x191d0, 0 x191e8,
0 x19238, 0 x1924c,
0 x193f8, 0 x1943c,
0 x1944c, 0 x19474,
0 x19490, 0 x194e0,
0 x194f0, 0 x194f8,
0 x19800, 0 x19c08,
0 x19c10, 0 x19c90,
0 x19ca0, 0 x19ce4,
0 x19cf0, 0 x19d40,
0 x19d50, 0 x19d94,
0 x19da0, 0 x19de8,
0 x19df0, 0 x19e40,
0 x19e50, 0 x19e90,
0 x19ea0, 0 x19f4c,
0 x1a000, 0 x1a004,
0 x1a010, 0 x1a06c,
0 x1a0b0, 0 x1a0e4,
0 x1a0ec, 0 x1a0f4,
0 x1a100, 0 x1a108,
0 x1a114, 0 x1a120,
0 x1a128, 0 x1a130,
0 x1a138, 0 x1a138,
0 x1a190, 0 x1a1c4,
0 x1a1fc, 0 x1a1fc,
0 x1e040, 0 x1e04c,
0 x1e284, 0 x1e28c,
0 x1e2c0, 0 x1e2c0,
0 x1e2e0, 0 x1e2e0,
0 x1e300, 0 x1e384,
0 x1e3c0, 0 x1e3c8,
0 x1e440, 0 x1e44c,
0 x1e684, 0 x1e68c,
0 x1e6c0, 0 x1e6c0,
0 x1e6e0, 0 x1e6e0,
0 x1e700, 0 x1e784,
0 x1e7c0, 0 x1e7c8,
0 x1e840, 0 x1e84c,
0 x1ea84, 0 x1ea8c,
0 x1eac0, 0 x1eac0,
0 x1eae0, 0 x1eae0,
0 x1eb00, 0 x1eb84,
0 x1ebc0, 0 x1ebc8,
0 x1ec40, 0 x1ec4c,
0 x1ee84, 0 x1ee8c,
0 x1eec0, 0 x1eec0,
0 x1eee0, 0 x1eee0,
0 x1ef00, 0 x1ef84,
0 x1efc0, 0 x1efc8,
0 x1f040, 0 x1f04c,
0 x1f284, 0 x1f28c,
0 x1f2c0, 0 x1f2c0,
0 x1f2e0, 0 x1f2e0,
0 x1f300, 0 x1f384,
0 x1f3c0, 0 x1f3c8,
0 x1f440, 0 x1f44c,
0 x1f684, 0 x1f68c,
0 x1f6c0, 0 x1f6c0,
0 x1f6e0, 0 x1f6e0,
0 x1f700, 0 x1f784,
0 x1f7c0, 0 x1f7c8,
0 x1f840, 0 x1f84c,
0 x1fa84, 0 x1fa8c,
0 x1fac0, 0 x1fac0,
0 x1fae0, 0 x1fae0,
0 x1fb00, 0 x1fb84,
0 x1fbc0, 0 x1fbc8,
0 x1fc40, 0 x1fc4c,
0 x1fe84, 0 x1fe8c,
0 x1fec0, 0 x1fec0,
0 x1fee0, 0 x1fee0,
0 x1ff00, 0 x1ff84,
0 x1ffc0, 0 x1ffc8,
0 x20000, 0 x2002c,
0 x20100, 0 x2013c,
0 x20190, 0 x201a0,
0 x201a8, 0 x201b8,
0 x201c4, 0 x201c8,
0 x20200, 0 x20318,
0 x20400, 0 x204b4,
0 x204c0, 0 x20528,
0 x20540, 0 x20614,
0 x21000, 0 x21040,
0 x2104c, 0 x21060,
0 x210c0, 0 x210ec,
0 x21200, 0 x21268,
0 x21270, 0 x21284,
0 x212fc, 0 x21388,
0 x21400, 0 x21404,
0 x21500, 0 x21500,
0 x21510, 0 x21518,
0 x2152c, 0 x21530,
0 x2153c, 0 x2153c,
0 x21550, 0 x21554,
0 x21600, 0 x21600,
0 x21608, 0 x2161c,
0 x21624, 0 x21628,
0 x21630, 0 x21634,
0 x2163c, 0 x2163c,
0 x21700, 0 x2171c,
0 x21780, 0 x2178c,
0 x21800, 0 x21818,
0 x21820, 0 x21828,
0 x21830, 0 x21848,
0 x21850, 0 x21854,
0 x21860, 0 x21868,
0 x21870, 0 x21870,
0 x21878, 0 x21898,
0 x218a0, 0 x218a8,
0 x218b0, 0 x218c8,
0 x218d0, 0 x218d4,
0 x218e0, 0 x218e8,
0 x218f0, 0 x218f0,
0 x218f8, 0 x21a18,
0 x21a20, 0 x21a28,
0 x21a30, 0 x21a48,
0 x21a50, 0 x21a54,
0 x21a60, 0 x21a68,
0 x21a70, 0 x21a70,
0 x21a78, 0 x21a98,
0 x21aa0, 0 x21aa8,
0 x21ab0, 0 x21ac8,
0 x21ad0, 0 x21ad4,
0 x21ae0, 0 x21ae8,
0 x21af0, 0 x21af0,
0 x21af8, 0 x21c18,
0 x21c20, 0 x21c20,
0 x21c28, 0 x21c30,
0 x21c38, 0 x21c38,
0 x21c80, 0 x21c98,
0 x21ca0, 0 x21ca8,
0 x21cb0, 0 x21cc8,
0 x21cd0, 0 x21cd4,
0 x21ce0, 0 x21ce8,
0 x21cf0, 0 x21cf0,
0 x21cf8, 0 x21d7c,
0 x21e00, 0 x21e04,
0 x22000, 0 x2202c,
0 x22100, 0 x2213c,
0 x22190, 0 x221a0,
0 x221a8, 0 x221b8,
0 x221c4, 0 x221c8,
0 x22200, 0 x22318,
0 x22400, 0 x224b4,
0 x224c0, 0 x22528,
0 x22540, 0 x22614,
0 x23000, 0 x23040,
0 x2304c, 0 x23060,
0 x230c0, 0 x230ec,
0 x23200, 0 x23268,
0 x23270, 0 x23284,
0 x232fc, 0 x23388,
0 x23400, 0 x23404,
0 x23500, 0 x23500,
0 x23510, 0 x23518,
0 x2352c, 0 x23530,
0 x2353c, 0 x2353c,
0 x23550, 0 x23554,
0 x23600, 0 x23600,
0 x23608, 0 x2361c,
0 x23624, 0 x23628,
0 x23630, 0 x23634,
0 x2363c, 0 x2363c,
0 x23700, 0 x2371c,
0 x23780, 0 x2378c,
0 x23800, 0 x23818,
0 x23820, 0 x23828,
0 x23830, 0 x23848,
0 x23850, 0 x23854,
0 x23860, 0 x23868,
0 x23870, 0 x23870,
0 x23878, 0 x23898,
0 x238a0, 0 x238a8,
0 x238b0, 0 x238c8,
0 x238d0, 0 x238d4,
0 x238e0, 0 x238e8,
0 x238f0, 0 x238f0,
0 x238f8, 0 x23a18,
0 x23a20, 0 x23a28,
0 x23a30, 0 x23a48,
0 x23a50, 0 x23a54,
0 x23a60, 0 x23a68,
0 x23a70, 0 x23a70,
0 x23a78, 0 x23a98,
0 x23aa0, 0 x23aa8,
0 x23ab0, 0 x23ac8,
0 x23ad0, 0 x23ad4,
0 x23ae0, 0 x23ae8,
0 x23af0, 0 x23af0,
0 x23af8, 0 x23c18,
0 x23c20, 0 x23c20,
0 x23c28, 0 x23c30,
0 x23c38, 0 x23c38,
0 x23c80, 0 x23c98,
0 x23ca0, 0 x23ca8,
0 x23cb0, 0 x23cc8,
0 x23cd0, 0 x23cd4,
0 x23ce0, 0 x23ce8,
0 x23cf0, 0 x23cf0,
0 x23cf8, 0 x23d7c,
0 x23e00, 0 x23e04,
0 x24000, 0 x2402c,
0 x24100, 0 x2413c,
0 x24190, 0 x241a0,
0 x241a8, 0 x241b8,
0 x241c4, 0 x241c8,
0 x24200, 0 x24318,
0 x24400, 0 x244b4,
0 x244c0, 0 x24528,
0 x24540, 0 x24614,
0 x25000, 0 x25040,
0 x2504c, 0 x25060,
0 x250c0, 0 x250ec,
0 x25200, 0 x25268,
0 x25270, 0 x25284,
0 x252fc, 0 x25388,
0 x25400, 0 x25404,
0 x25500, 0 x25500,
0 x25510, 0 x25518,
0 x2552c, 0 x25530,
0 x2553c, 0 x2553c,
0 x25550, 0 x25554,
0 x25600, 0 x25600,
0 x25608, 0 x2561c,
0 x25624, 0 x25628,
0 x25630, 0 x25634,
0 x2563c, 0 x2563c,
0 x25700, 0 x2571c,
0 x25780, 0 x2578c,
0 x25800, 0 x25818,
0 x25820, 0 x25828,
0 x25830, 0 x25848,
0 x25850, 0 x25854,
0 x25860, 0 x25868,
0 x25870, 0 x25870,
0 x25878, 0 x25898,
0 x258a0, 0 x258a8,
0 x258b0, 0 x258c8,
0 x258d0, 0 x258d4,
0 x258e0, 0 x258e8,
0 x258f0, 0 x258f0,
0 x258f8, 0 x25a18,
0 x25a20, 0 x25a28,
0 x25a30, 0 x25a48,
0 x25a50, 0 x25a54,
0 x25a60, 0 x25a68,
0 x25a70, 0 x25a70,
0 x25a78, 0 x25a98,
0 x25aa0, 0 x25aa8,
0 x25ab0, 0 x25ac8,
0 x25ad0, 0 x25ad4,
0 x25ae0, 0 x25ae8,
0 x25af0, 0 x25af0,
0 x25af8, 0 x25c18,
0 x25c20, 0 x25c20,
0 x25c28, 0 x25c30,
0 x25c38, 0 x25c38,
0 x25c80, 0 x25c98,
0 x25ca0, 0 x25ca8,
0 x25cb0, 0 x25cc8,
0 x25cd0, 0 x25cd4,
0 x25ce0, 0 x25ce8,
0 x25cf0, 0 x25cf0,
0 x25cf8, 0 x25d7c,
0 x25e00, 0 x25e04,
0 x26000, 0 x2602c,
0 x26100, 0 x2613c,
0 x26190, 0 x261a0,
0 x261a8, 0 x261b8,
0 x261c4, 0 x261c8,
0 x26200, 0 x26318,
0 x26400, 0 x264b4,
0 x264c0, 0 x26528,
0 x26540, 0 x26614,
0 x27000, 0 x27040,
0 x2704c, 0 x27060,
0 x270c0, 0 x270ec,
0 x27200, 0 x27268,
0 x27270, 0 x27284,
0 x272fc, 0 x27388,
0 x27400, 0 x27404,
0 x27500, 0 x27500,
0 x27510, 0 x27518,
0 x2752c, 0 x27530,
0 x2753c, 0 x2753c,
0 x27550, 0 x27554,
0 x27600, 0 x27600,
0 x27608, 0 x2761c,
0 x27624, 0 x27628,
0 x27630, 0 x27634,
0 x2763c, 0 x2763c,
0 x27700, 0 x2771c,
0 x27780, 0 x2778c,
0 x27800, 0 x27818,
0 x27820, 0 x27828,
0 x27830, 0 x27848,
0 x27850, 0 x27854,
0 x27860, 0 x27868,
0 x27870, 0 x27870,
0 x27878, 0 x27898,
0 x278a0, 0 x278a8,
0 x278b0, 0 x278c8,
0 x278d0, 0 x278d4,
0 x278e0, 0 x278e8,
0 x278f0, 0 x278f0,
0 x278f8, 0 x27a18,
0 x27a20, 0 x27a28,
0 x27a30, 0 x27a48,
0 x27a50, 0 x27a54,
0 x27a60, 0 x27a68,
0 x27a70, 0 x27a70,
0 x27a78, 0 x27a98,
0 x27aa0, 0 x27aa8,
0 x27ab0, 0 x27ac8,
0 x27ad0, 0 x27ad4,
0 x27ae0, 0 x27ae8,
0 x27af0, 0 x27af0,
0 x27af8, 0 x27c18,
0 x27c20, 0 x27c20,
0 x27c28, 0 x27c30,
0 x27c38, 0 x27c38,
0 x27c80, 0 x27c98,
0 x27ca0, 0 x27ca8,
0 x27cb0, 0 x27cc8,
0 x27cd0, 0 x27cd4,
0 x27ce0, 0 x27ce8,
0 x27cf0, 0 x27cf0,
0 x27cf8, 0 x27d7c,
0 x27e00, 0 x27e04,
};
static const unsigned int t5_reg_ranges[] = {
0 x1008, 0 x10c0,
0 x10cc, 0 x10f8,
0 x1100, 0 x1100,
0 x110c, 0 x1148,
0 x1180, 0 x1184,
0 x1190, 0 x1194,
0 x11a0, 0 x11a4,
0 x11b0, 0 x11b4,
0 x11fc, 0 x123c,
0 x1280, 0 x173c,
0 x1800, 0 x18fc,
0 x3000, 0 x3028,
0 x3060, 0 x30b0,
0 x30b8, 0 x30d8,
0 x30e0, 0 x30fc,
0 x3140, 0 x357c,
0 x35a8, 0 x35cc,
0 x35ec, 0 x35ec,
0 x3600, 0 x5624,
0 x56cc, 0 x56ec,
0 x56f4, 0 x5720,
0 x5728, 0 x575c,
0 x580c, 0 x5814,
0 x5890, 0 x589c,
0 x58a4, 0 x58ac,
0 x58b8, 0 x58bc,
0 x5940, 0 x59c8,
0 x59d0, 0 x59dc,
0 x59fc, 0 x5a18,
0 x5a60, 0 x5a70,
0 x5a80, 0 x5a9c,
0 x5b94, 0 x5bfc,
0 x6000, 0 x6020,
0 x6028, 0 x6040,
0 x6058, 0 x609c,
0 x60a8, 0 x614c,
0 x7700, 0 x7798,
0 x77c0, 0 x78fc,
0 x7b00, 0 x7b58,
0 x7b60, 0 x7b84,
0 x7b8c, 0 x7c54,
0 x7d00, 0 x7d38,
0 x7d40, 0 x7d80,
0 x7d8c, 0 x7ddc,
0 x7de4, 0 x7e04,
0 x7e10, 0 x7e1c,
0 x7e24, 0 x7e38,
0 x7e40, 0 x7e44,
0 x7e4c, 0 x7e78,
0 x7e80, 0 x7edc,
0 x7ee8, 0 x7efc,
0 x8dc0, 0 x8de0,
0 x8df8, 0 x8e04,
0 x8e10, 0 x8e84,
0 x8ea0, 0 x8f84,
0 x8fc0, 0 x9058,
0 x9060, 0 x9060,
0 x9068, 0 x90f8,
0 x9400, 0 x9408,
0 x9410, 0 x9470,
0 x9600, 0 x9600,
0 x9608, 0 x9638,
0 x9640, 0 x96f4,
0 x9800, 0 x9808,
0 x9810, 0 x9864,
0 x9c00, 0 x9c6c,
0 x9c80, 0 x9cec,
0 x9d00, 0 x9d6c,
0 x9d80, 0 x9dec,
0 x9e00, 0 x9e6c,
0 x9e80, 0 x9eec,
0 x9f00, 0 x9f6c,
0 x9f80, 0 xa020,
0 xd000, 0 xd004,
0 xd010, 0 xd03c,
0 xdfc0, 0 xdfe0,
0 xe000, 0 x1106c,
0 x11074, 0 x11088,
0 x1109c, 0 x1117c,
0 x11190, 0 x11204,
0 x19040, 0 x1906c,
0 x19078, 0 x19080,
0 x1908c, 0 x190e8,
0 x190f0, 0 x190f8,
0 x19100, 0 x19110,
0 x19120, 0 x19124,
0 x19150, 0 x19194,
0 x1919c, 0 x191b0,
0 x191d0, 0 x191e8,
0 x19238, 0 x19290,
0 x193f8, 0 x19428,
0 x19430, 0 x19444,
0 x1944c, 0 x1946c,
0 x19474, 0 x19474,
0 x19490, 0 x194cc,
0 x194f0, 0 x194f8,
0 x19c00, 0 x19c08,
0 x19c10, 0 x19c60,
0 x19c94, 0 x19ce4,
0 x19cf0, 0 x19d40,
0 x19d50, 0 x19d94,
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0 x19df0, 0 x19e10,
0 x19e50, 0 x19e90,
0 x19ea0, 0 x19f24,
0 x19f34, 0 x19f34,
0 x19f40, 0 x19f50,
0 x19f90, 0 x19fb4,
0 x19fc4, 0 x19fe4,
0 x1a000, 0 x1a004,
0 x1a010, 0 x1a06c,
0 x1a0b0, 0 x1a0e4,
0 x1a0ec, 0 x1a0f8,
0 x1a100, 0 x1a108,
0 x1a114, 0 x1a130,
0 x1a138, 0 x1a1c4,
0 x1a1fc, 0 x1a1fc,
0 x1e008, 0 x1e00c,
0 x1e040, 0 x1e044,
0 x1e04c, 0 x1e04c,
0 x1e284, 0 x1e290,
0 x1e2c0, 0 x1e2c0,
0 x1e2e0, 0 x1e2e0,
0 x1e300, 0 x1e384,
0 x1e3c0, 0 x1e3c8,
0 x1e408, 0 x1e40c,
0 x1e440, 0 x1e444,
0 x1e44c, 0 x1e44c,
0 x1e684, 0 x1e690,
0 x1e6c0, 0 x1e6c0,
0 x1e6e0, 0 x1e6e0,
0 x1e700, 0 x1e784,
0 x1e7c0, 0 x1e7c8,
0 x1e808, 0 x1e80c,
0 x1e840, 0 x1e844,
0 x1e84c, 0 x1e84c,
0 x1ea84, 0 x1ea90,
0 x1eac0, 0 x1eac0,
0 x1eae0, 0 x1eae0,
0 x1eb00, 0 x1eb84,
0 x1ebc0, 0 x1ebc8,
0 x1ec08, 0 x1ec0c,
0 x1ec40, 0 x1ec44,
0 x1ec4c, 0 x1ec4c,
0 x1ee84, 0 x1ee90,
0 x1eec0, 0 x1eec0,
0 x1eee0, 0 x1eee0,
0 x1ef00, 0 x1ef84,
0 x1efc0, 0 x1efc8,
0 x1f008, 0 x1f00c,
0 x1f040, 0 x1f044,
0 x1f04c, 0 x1f04c,
0 x1f284, 0 x1f290,
0 x1f2c0, 0 x1f2c0,
0 x1f2e0, 0 x1f2e0,
0 x1f300, 0 x1f384,
0 x1f3c0, 0 x1f3c8,
0 x1f408, 0 x1f40c,
0 x1f440, 0 x1f444,
0 x1f44c, 0 x1f44c,
0 x1f684, 0 x1f690,
0 x1f6c0, 0 x1f6c0,
0 x1f6e0, 0 x1f6e0,
0 x1f700, 0 x1f784,
0 x1f7c0, 0 x1f7c8,
0 x1f808, 0 x1f80c,
0 x1f840, 0 x1f844,
0 x1f84c, 0 x1f84c,
0 x1fa84, 0 x1fa90,
0 x1fac0, 0 x1fac0,
0 x1fae0, 0 x1fae0,
0 x1fb00, 0 x1fb84,
0 x1fbc0, 0 x1fbc8,
0 x1fc08, 0 x1fc0c,
0 x1fc40, 0 x1fc44,
0 x1fc4c, 0 x1fc4c,
0 x1fe84, 0 x1fe90,
0 x1fec0, 0 x1fec0,
0 x1fee0, 0 x1fee0,
0 x1ff00, 0 x1ff84,
0 x1ffc0, 0 x1ffc8,
0 x30000, 0 x30030,
0 x30100, 0 x30144,
0 x30190, 0 x301a0,
0 x301a8, 0 x301b8,
0 x301c4, 0 x301c8,
0 x301d0, 0 x301d0,
0 x30200, 0 x30318,
0 x30400, 0 x304b4,
0 x304c0, 0 x3052c,
0 x30540, 0 x3061c,
0 x30800, 0 x30828,
0 x30834, 0 x30834,
0 x308c0, 0 x30908,
0 x30910, 0 x309ac,
0 x30a00, 0 x30a14,
0 x30a1c, 0 x30a2c,
0 x30a44, 0 x30a50,
0 x30a74, 0 x30a74,
0 x30a7c, 0 x30afc,
0 x30b08, 0 x30c24,
0 x30d00, 0 x30d00,
0 x30d08, 0 x30d14,
0 x30d1c, 0 x30d20,
0 x30d3c, 0 x30d3c,
0 x30d48, 0 x30d50,
0 x31200, 0 x3120c,
0 x31220, 0 x31220,
0 x31240, 0 x31240,
0 x31600, 0 x3160c,
0 x31a00, 0 x31a1c,
0 x31e00, 0 x31e20,
0 x31e38, 0 x31e3c,
0 x31e80, 0 x31e80,
0 x31e88, 0 x31ea8,
0 x31eb0, 0 x31eb4,
0 x31ec8, 0 x31ed4,
0 x31fb8, 0 x32004,
0 x32200, 0 x32200,
0 x32208, 0 x32240,
0 x32248, 0 x32280,
0 x32288, 0 x322c0,
0 x322c8, 0 x322fc,
0 x32600, 0 x32630,
0 x32a00, 0 x32abc,
0 x32b00, 0 x32b10,
0 x32b20, 0 x32b30,
0 x32b40, 0 x32b50,
0 x32b60, 0 x32b70,
0 x33000, 0 x33028,
0 x33030, 0 x33048,
0 x33060, 0 x33068,
0 x33070, 0 x3309c,
0 x330f0, 0 x33128,
0 x33130, 0 x33148,
0 x33160, 0 x33168,
0 x33170, 0 x3319c,
0 x331f0, 0 x33238,
0 x33240, 0 x33240,
0 x33248, 0 x33250,
0 x3325c, 0 x33264,
0 x33270, 0 x332b8,
0 x332c0, 0 x332e4,
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0 x33340, 0 x33340,
0 x33348, 0 x33350,
0 x3335c, 0 x33364,
0 x33370, 0 x333b8,
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0 x3365c, 0 x33664,
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0 x33a5c, 0 x33a64,
0 x33a70, 0 x33ab8,
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0 x34b08, 0 x34c24,
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0 x34d1c, 0 x34d20,
0 x34d3c, 0 x34d3c,
0 x34d48, 0 x34d50,
0 x35200, 0 x3520c,
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0 x35240, 0 x35240,
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0 x35e38, 0 x35e3c,
0 x35e80, 0 x35e80,
0 x35e88, 0 x35ea8,
0 x35eb0, 0 x35eb4,
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0 x35fb8, 0 x36004,
0 x36200, 0 x36200,
0 x36208, 0 x36240,
0 x36248, 0 x36280,
0 x36288, 0 x362c0,
0 x362c8, 0 x362fc,
0 x36600, 0 x36630,
0 x36a00, 0 x36abc,
0 x36b00, 0 x36b10,
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0 x37000, 0 x37028,
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0 x37060, 0 x37068,
0 x37070, 0 x3709c,
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0 x37160, 0 x37168,
0 x37170, 0 x3719c,
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0 x3725c, 0 x37264,
0 x37270, 0 x372b8,
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0 x37348, 0 x37350,
0 x3735c, 0 x37364,
0 x37370, 0 x373b8,
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0 x37748, 0 x37750,
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0 x37a5c, 0 x37a64,
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0 x37c3c, 0 x37c50,
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0 x38000, 0 x38030,
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0 x38200, 0 x38318,
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0 x38a74, 0 x38a74,
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0 x38b08, 0 x38c24,
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0 x38d1c, 0 x38d20,
0 x38d3c, 0 x38d3c,
0 x38d48, 0 x38d50,
0 x39200, 0 x3920c,
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0 x39600, 0 x3960c,
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0 x39e38, 0 x39e3c,
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0 x39e88, 0 x39ea8,
0 x39eb0, 0 x39eb4,
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0 x39fb8, 0 x3a004,
0 x3a200, 0 x3a200,
0 x3a208, 0 x3a240,
0 x3a248, 0 x3a280,
0 x3a288, 0 x3a2c0,
0 x3a2c8, 0 x3a2fc,
0 x3a600, 0 x3a630,
0 x3aa00, 0 x3aabc,
0 x3ab00, 0 x3ab10,
0 x3ab20, 0 x3ab30,
0 x3ab40, 0 x3ab50,
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0 x3b000, 0 x3b028,
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0 x3b060, 0 x3b068,
0 x3b070, 0 x3b09c,
0 x3b0f0, 0 x3b128,
0 x3b130, 0 x3b148,
0 x3b160, 0 x3b168,
0 x3b170, 0 x3b19c,
0 x3b1f0, 0 x3b238,
0 x3b240, 0 x3b240,
0 x3b248, 0 x3b250,
0 x3b25c, 0 x3b264,
0 x3b270, 0 x3b2b8,
0 x3b2c0, 0 x3b2e4,
0 x3b2f8, 0 x3b338,
0 x3b340, 0 x3b340,
0 x3b348, 0 x3b350,
0 x3b35c, 0 x3b364,
0 x3b370, 0 x3b3b8,
0 x3b3c0, 0 x3b3e4,
0 x3b3f8, 0 x3b428,
0 x3b430, 0 x3b448,
0 x3b460, 0 x3b468,
0 x3b470, 0 x3b49c,
0 x3b4f0, 0 x3b528,
0 x3b530, 0 x3b548,
0 x3b560, 0 x3b568,
0 x3b570, 0 x3b59c,
0 x3b5f0, 0 x3b638,
0 x3b640, 0 x3b640,
0 x3b648, 0 x3b650,
0 x3b65c, 0 x3b664,
0 x3b670, 0 x3b6b8,
0 x3b6c0, 0 x3b6e4,
0 x3b6f8, 0 x3b738,
0 x3b740, 0 x3b740,
0 x3b748, 0 x3b750,
0 x3b75c, 0 x3b764,
0 x3b770, 0 x3b7b8,
0 x3b7c0, 0 x3b7e4,
0 x3b7f8, 0 x3b7fc,
0 x3b814, 0 x3b814,
0 x3b82c, 0 x3b82c,
0 x3b880, 0 x3b88c,
0 x3b8e8, 0 x3b8ec,
0 x3b900, 0 x3b928,
0 x3b930, 0 x3b948,
0 x3b960, 0 x3b968,
0 x3b970, 0 x3b99c,
0 x3b9f0, 0 x3ba38,
0 x3ba40, 0 x3ba40,
0 x3ba48, 0 x3ba50,
0 x3ba5c, 0 x3ba64,
0 x3ba70, 0 x3bab8,
0 x3bac0, 0 x3bae4,
0 x3baf8, 0 x3bb10,
0 x3bb28, 0 x3bb28,
0 x3bb3c, 0 x3bb50,
0 x3bbf0, 0 x3bc10,
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0 x3bc3c, 0 x3bc50,
0 x3bcf0, 0 x3bcfc,
0 x3c000, 0 x3c030,
0 x3c100, 0 x3c144,
0 x3c190, 0 x3c1a0,
0 x3c1a8, 0 x3c1b8,
0 x3c1c4, 0 x3c1c8,
0 x3c1d0, 0 x3c1d0,
0 x3c200, 0 x3c318,
0 x3c400, 0 x3c4b4,
0 x3c4c0, 0 x3c52c,
0 x3c540, 0 x3c61c,
0 x3c800, 0 x3c828,
0 x3c834, 0 x3c834,
0 x3c8c0, 0 x3c908,
0 x3c910, 0 x3c9ac,
0 x3ca00, 0 x3ca14,
0 x3ca1c, 0 x3ca2c,
0 x3ca44, 0 x3ca50,
0 x3ca74, 0 x3ca74,
0 x3ca7c, 0 x3cafc,
0 x3cb08, 0 x3cc24,
0 x3cd00, 0 x3cd00,
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0 x3cd1c, 0 x3cd20,
0 x3cd3c, 0 x3cd3c,
0 x3cd48, 0 x3cd50,
0 x3d200, 0 x3d20c,
0 x3d220, 0 x3d220,
0 x3d240, 0 x3d240,
0 x3d600, 0 x3d60c,
0 x3da00, 0 x3da1c,
0 x3de00, 0 x3de20,
0 x3de38, 0 x3de3c,
0 x3de80, 0 x3de80,
0 x3de88, 0 x3dea8,
0 x3deb0, 0 x3deb4,
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0 x3dfb8, 0 x3e004,
0 x3e200, 0 x3e200,
0 x3e208, 0 x3e240,
0 x3e248, 0 x3e280,
0 x3e288, 0 x3e2c0,
0 x3e2c8, 0 x3e2fc,
0 x3e600, 0 x3e630,
0 x3ea00, 0 x3eabc,
0 x3eb00, 0 x3eb10,
0 x3eb20, 0 x3eb30,
0 x3eb40, 0 x3eb50,
0 x3eb60, 0 x3eb70,
0 x3f000, 0 x3f028,
0 x3f030, 0 x3f048,
0 x3f060, 0 x3f068,
0 x3f070, 0 x3f09c,
0 x3f0f0, 0 x3f128,
0 x3f130, 0 x3f148,
0 x3f160, 0 x3f168,
0 x3f170, 0 x3f19c,
0 x3f1f0, 0 x3f238,
0 x3f240, 0 x3f240,
0 x3f248, 0 x3f250,
0 x3f25c, 0 x3f264,
0 x3f270, 0 x3f2b8,
0 x3f2c0, 0 x3f2e4,
0 x3f2f8, 0 x3f338,
0 x3f340, 0 x3f340,
0 x3f348, 0 x3f350,
0 x3f35c, 0 x3f364,
0 x3f370, 0 x3f3b8,
0 x3f3c0, 0 x3f3e4,
0 x3f3f8, 0 x3f428,
0 x3f430, 0 x3f448,
0 x3f460, 0 x3f468,
0 x3f470, 0 x3f49c,
0 x3f4f0, 0 x3f528,
0 x3f530, 0 x3f548,
0 x3f560, 0 x3f568,
0 x3f570, 0 x3f59c,
0 x3f5f0, 0 x3f638,
0 x3f640, 0 x3f640,
0 x3f648, 0 x3f650,
0 x3f65c, 0 x3f664,
0 x3f670, 0 x3f6b8,
0 x3f6c0, 0 x3f6e4,
0 x3f6f8, 0 x3f738,
0 x3f740, 0 x3f740,
0 x3f748, 0 x3f750,
0 x3f75c, 0 x3f764,
0 x3f770, 0 x3f7b8,
0 x3f7c0, 0 x3f7e4,
0 x3f7f8, 0 x3f7fc,
0 x3f814, 0 x3f814,
0 x3f82c, 0 x3f82c,
0 x3f880, 0 x3f88c,
0 x3f8e8, 0 x3f8ec,
0 x3f900, 0 x3f928,
0 x3f930, 0 x3f948,
0 x3f960, 0 x3f968,
0 x3f970, 0 x3f99c,
0 x3f9f0, 0 x3fa38,
0 x3fa40, 0 x3fa40,
0 x3fa48, 0 x3fa50,
0 x3fa5c, 0 x3fa64,
0 x3fa70, 0 x3fab8,
0 x3fac0, 0 x3fae4,
0 x3faf8, 0 x3fb10,
0 x3fb28, 0 x3fb28,
0 x3fb3c, 0 x3fb50,
0 x3fbf0, 0 x3fc10,
0 x3fc28, 0 x3fc28,
0 x3fc3c, 0 x3fc50,
0 x3fcf0, 0 x3fcfc,
0 x40000, 0 x4000c,
0 x40040, 0 x40050,
0 x40060, 0 x40068,
0 x4007c, 0 x4008c,
0 x40094, 0 x400b0,
0 x400c0, 0 x40144,
0 x40180, 0 x4018c,
0 x40200, 0 x40254,
0 x40260, 0 x40264,
0 x40270, 0 x40288,
0 x40290, 0 x40298,
0 x402ac, 0 x402c8,
0 x402d0, 0 x402e0,
0 x402f0, 0 x402f0,
0 x40300, 0 x4033c,
0 x403f8, 0 x403fc,
0 x41304, 0 x413c4,
0 x41400, 0 x4140c,
0 x41414, 0 x4141c,
0 x41480, 0 x414d0,
0 x44000, 0 x44054,
0 x4405c, 0 x44078,
0 x440c0, 0 x44174,
0 x44180, 0 x441ac,
0 x441b4, 0 x441b8,
0 x441c0, 0 x44254,
0 x4425c, 0 x44278,
0 x442c0, 0 x44374,
0 x44380, 0 x443ac,
0 x443b4, 0 x443b8,
0 x443c0, 0 x44454,
0 x4445c, 0 x44478,
0 x444c0, 0 x44574,
0 x44580, 0 x445ac,
0 x445b4, 0 x445b8,
0 x445c0, 0 x44654,
0 x4465c, 0 x44678,
0 x446c0, 0 x44774,
0 x44780, 0 x447ac,
0 x447b4, 0 x447b8,
0 x447c0, 0 x44854,
0 x4485c, 0 x44878,
0 x448c0, 0 x44974,
0 x44980, 0 x449ac,
0 x449b4, 0 x449b8,
0 x449c0, 0 x449fc,
0 x45000, 0 x45004,
0 x45010, 0 x45030,
0 x45040, 0 x45060,
0 x45068, 0 x45068,
0 x45080, 0 x45084,
0 x450a0, 0 x450b0,
0 x45200, 0 x45204,
0 x45210, 0 x45230,
0 x45240, 0 x45260,
0 x45268, 0 x45268,
0 x45280, 0 x45284,
0 x452a0, 0 x452b0,
0 x460c0, 0 x460e4,
0 x47000, 0 x4703c,
0 x47044, 0 x4708c,
0 x47200, 0 x47250,
0 x47400, 0 x47408,
0 x47414, 0 x47420,
0 x47600, 0 x47618,
0 x47800, 0 x47814,
0 x48000, 0 x4800c,
0 x48040, 0 x48050,
0 x48060, 0 x48068,
0 x4807c, 0 x4808c,
0 x48094, 0 x480b0,
0 x480c0, 0 x48144,
0 x48180, 0 x4818c,
0 x48200, 0 x48254,
0 x48260, 0 x48264,
0 x48270, 0 x48288,
0 x48290, 0 x48298,
0 x482ac, 0 x482c8,
0 x482d0, 0 x482e0,
0 x482f0, 0 x482f0,
0 x48300, 0 x4833c,
0 x483f8, 0 x483fc,
0 x49304, 0 x493c4,
0 x49400, 0 x4940c,
0 x49414, 0 x4941c,
0 x49480, 0 x494d0,
0 x4c000, 0 x4c054,
0 x4c05c, 0 x4c078,
0 x4c0c0, 0 x4c174,
0 x4c180, 0 x4c1ac,
0 x4c1b4, 0 x4c1b8,
0 x4c1c0, 0 x4c254,
0 x4c25c, 0 x4c278,
0 x4c2c0, 0 x4c374,
0 x4c380, 0 x4c3ac,
0 x4c3b4, 0 x4c3b8,
0 x4c3c0, 0 x4c454,
0 x4c45c, 0 x4c478,
0 x4c4c0, 0 x4c574,
0 x4c580, 0 x4c5ac,
0 x4c5b4, 0 x4c5b8,
0 x4c5c0, 0 x4c654,
0 x4c65c, 0 x4c678,
0 x4c6c0, 0 x4c774,
0 x4c780, 0 x4c7ac,
0 x4c7b4, 0 x4c7b8,
0 x4c7c0, 0 x4c854,
0 x4c85c, 0 x4c878,
0 x4c8c0, 0 x4c974,
0 x4c980, 0 x4c9ac,
0 x4c9b4, 0 x4c9b8,
0 x4c9c0, 0 x4c9fc,
0 x4d000, 0 x4d004,
0 x4d010, 0 x4d030,
0 x4d040, 0 x4d060,
0 x4d068, 0 x4d068,
0 x4d080, 0 x4d084,
0 x4d0a0, 0 x4d0b0,
0 x4d200, 0 x4d204,
0 x4d210, 0 x4d230,
0 x4d240, 0 x4d260,
0 x4d268, 0 x4d268,
0 x4d280, 0 x4d284,
0 x4d2a0, 0 x4d2b0,
0 x4e0c0, 0 x4e0e4,
0 x4f000, 0 x4f03c,
0 x4f044, 0 x4f08c,
0 x4f200, 0 x4f250,
0 x4f400, 0 x4f408,
0 x4f414, 0 x4f420,
0 x4f600, 0 x4f618,
0 x4f800, 0 x4f814,
0 x50000, 0 x50084,
0 x50090, 0 x500cc,
0 x50400, 0 x50400,
0 x50800, 0 x50884,
0 x50890, 0 x508cc,
0 x50c00, 0 x50c00,
0 x51000, 0 x5101c,
0 x51300, 0 x51308,
};
static const unsigned int t6_reg_ranges[] = {
0 x1008, 0 x101c,
0 x1024, 0 x10a8,
0 x10b4, 0 x10f8,
0 x1100, 0 x1114,
0 x111c, 0 x112c,
0 x1138, 0 x113c,
0 x1144, 0 x114c,
0 x1180, 0 x1184,
0 x1190, 0 x1194,
0 x11a0, 0 x11a4,
0 x11b0, 0 x11b4,
0 x11fc, 0 x123c,
0 x1254, 0 x1274,
0 x1280, 0 x133c,
0 x1800, 0 x18fc,
0 x3000, 0 x302c,
0 x3060, 0 x30b0,
0 x30b8, 0 x30d8,
0 x30e0, 0 x30fc,
0 x3140, 0 x357c,
0 x35a8, 0 x35cc,
0 x35ec, 0 x35ec,
0 x3600, 0 x5624,
0 x56cc, 0 x56ec,
0 x56f4, 0 x5720,
0 x5728, 0 x575c,
0 x580c, 0 x5814,
0 x5890, 0 x589c,
0 x58a4, 0 x58ac,
0 x58b8, 0 x58bc,
0 x5940, 0 x595c,
0 x5980, 0 x598c,
0 x59b0, 0 x59c8,
0 x59d0, 0 x59dc,
0 x59fc, 0 x5a18,
0 x5a60, 0 x5a6c,
0 x5a80, 0 x5a8c,
0 x5a94, 0 x5a9c,
0 x5b94, 0 x5bfc,
0 x5c10, 0 x5e48,
0 x5e50, 0 x5e94,
0 x5ea0, 0 x5eb0,
0 x5ec0, 0 x5ec0,
0 x5ec8, 0 x5ed0,
0 x5ee0, 0 x5ee0,
0 x5ef0, 0 x5ef0,
0 x5f00, 0 x5f00,
0 x6000, 0 x6020,
0 x6028, 0 x6040,
0 x6058, 0 x609c,
0 x60a8, 0 x619c,
0 x7700, 0 x7798,
0 x77c0, 0 x7880,
0 x78cc, 0 x78fc,
0 x7b00, 0 x7b58,
0 x7b60, 0 x7b84,
0 x7b8c, 0 x7c54,
0 x7d00, 0 x7d38,
0 x7d40, 0 x7d84,
0 x7d8c, 0 x7ddc,
0 x7de4, 0 x7e04,
0 x7e10, 0 x7e1c,
0 x7e24, 0 x7e38,
0 x7e40, 0 x7e44,
0 x7e4c, 0 x7e78,
0 x7e80, 0 x7edc,
0 x7ee8, 0 x7efc,
0 x8dc0, 0 x8de4,
0 x8df8, 0 x8e04,
0 x8e10, 0 x8e84,
0 x8ea0, 0 x8f88,
0 x8fb8, 0 x9058,
0 x9060, 0 x9060,
0 x9068, 0 x90f8,
0 x9100, 0 x9124,
0 x9400, 0 x9470,
0 x9600, 0 x9600,
0 x9608, 0 x9638,
0 x9640, 0 x9704,
0 x9710, 0 x971c,
0 x9800, 0 x9808,
0 x9810, 0 x9864,
0 x9c00, 0 x9c6c,
0 x9c80, 0 x9cec,
0 x9d00, 0 x9d6c,
0 x9d80, 0 x9dec,
0 x9e00, 0 x9e6c,
0 x9e80, 0 x9eec,
0 x9f00, 0 x9f6c,
0 x9f80, 0 xa020,
0 xd000, 0 xd03c,
0 xd100, 0 xd118,
0 xd200, 0 xd214,
0 xd220, 0 xd234,
0 xd240, 0 xd254,
0 xd260, 0 xd274,
0 xd280, 0 xd294,
0 xd2a0, 0 xd2b4,
0 xd2c0, 0 xd2d4,
0 xd2e0, 0 xd2f4,
0 xd300, 0 xd31c,
0 xdfc0, 0 xdfe0,
0 xe000, 0 xf008,
0 xf010, 0 xf018,
0 xf020, 0 xf028,
0 x11000, 0 x11014,
0 x11048, 0 x1106c,
0 x11074, 0 x11088,
0 x11098, 0 x11120,
0 x1112c, 0 x1117c,
0 x11190, 0 x112e0,
0 x11300, 0 x1130c,
0 x12000, 0 x1206c,
0 x19040, 0 x1906c,
0 x19078, 0 x19080,
0 x1908c, 0 x190e8,
0 x190f0, 0 x190f8,
0 x19100, 0 x19110,
0 x19120, 0 x19124,
0 x19150, 0 x19194,
0 x1919c, 0 x191b0,
0 x191d0, 0 x191e8,
0 x19238, 0 x19290,
0 x192a4, 0 x192b0,
0 x192bc, 0 x192bc,
0 x19348, 0 x1934c,
0 x193f8, 0 x19418,
0 x19420, 0 x19428,
0 x19430, 0 x19444,
0 x1944c, 0 x1946c,
0 x19474, 0 x19474,
0 x19490, 0 x194cc,
0 x194f0, 0 x194f8,
0 x19c00, 0 x19c48,
0 x19c50, 0 x19c80,
0 x19c94, 0 x19c98,
0 x19ca0, 0 x19cbc,
0 x19ce4, 0 x19ce4,
0 x19cf0, 0 x19cf8,
0 x19d00, 0 x19d28,
0 x19d50, 0 x19d78,
0 x19d94, 0 x19d98,
0 x19da0, 0 x19dc8,
0 x19df0, 0 x19e10,
0 x19e50, 0 x19e6c,
0 x19ea0, 0 x19ebc,
0 x19ec4, 0 x19ef4,
0 x19f04, 0 x19f2c,
0 x19f34, 0 x19f34,
0 x19f40, 0 x19f50,
0 x19f90, 0 x19fac,
0 x19fc4, 0 x19fc8,
0 x19fd0, 0 x19fe4,
0 x1a000, 0 x1a004,
0 x1a010, 0 x1a06c,
0 x1a0b0, 0 x1a0e4,
0 x1a0ec, 0 x1a0f8,
0 x1a100, 0 x1a108,
0 x1a114, 0 x1a130,
0 x1a138, 0 x1a1c4,
0 x1a1fc, 0 x1a1fc,
0 x1e008, 0 x1e00c,
0 x1e040, 0 x1e044,
0 x1e04c, 0 x1e04c,
0 x1e284, 0 x1e290,
0 x1e2c0, 0 x1e2c0,
0 x1e2e0, 0 x1e2e0,
0 x1e300, 0 x1e384,
0 x1e3c0, 0 x1e3c8,
0 x1e408, 0 x1e40c,
0 x1e440, 0 x1e444,
0 x1e44c, 0 x1e44c,
0 x1e684, 0 x1e690,
0 x1e6c0, 0 x1e6c0,
0 x1e6e0, 0 x1e6e0,
0 x1e700, 0 x1e784,
0 x1e7c0, 0 x1e7c8,
0 x1e808, 0 x1e80c,
0 x1e840, 0 x1e844,
0 x1e84c, 0 x1e84c,
0 x1ea84, 0 x1ea90,
0 x1eac0, 0 x1eac0,
0 x1eae0, 0 x1eae0,
0 x1eb00, 0 x1eb84,
0 x1ebc0, 0 x1ebc8,
0 x1ec08, 0 x1ec0c,
0 x1ec40, 0 x1ec44,
0 x1ec4c, 0 x1ec4c,
0 x1ee84, 0 x1ee90,
0 x1eec0, 0 x1eec0,
0 x1eee0, 0 x1eee0,
0 x1ef00, 0 x1ef84,
0 x1efc0, 0 x1efc8,
0 x1f008, 0 x1f00c,
0 x1f040, 0 x1f044,
0 x1f04c, 0 x1f04c,
0 x1f284, 0 x1f290,
0 x1f2c0, 0 x1f2c0,
0 x1f2e0, 0 x1f2e0,
0 x1f300, 0 x1f384,
0 x1f3c0, 0 x1f3c8,
0 x1f408, 0 x1f40c,
0 x1f440, 0 x1f444,
0 x1f44c, 0 x1f44c,
0 x1f684, 0 x1f690,
0 x1f6c0, 0 x1f6c0,
0 x1f6e0, 0 x1f6e0,
0 x1f700, 0 x1f784,
0 x1f7c0, 0 x1f7c8,
0 x1f808, 0 x1f80c,
0 x1f840, 0 x1f844,
0 x1f84c, 0 x1f84c,
0 x1fa84, 0 x1fa90,
0 x1fac0, 0 x1fac0,
0 x1fae0, 0 x1fae0,
0 x1fb00, 0 x1fb84,
0 x1fbc0, 0 x1fbc8,
0 x1fc08, 0 x1fc0c,
0 x1fc40, 0 x1fc44,
0 x1fc4c, 0 x1fc4c,
0 x1fe84, 0 x1fe90,
0 x1fec0, 0 x1fec0,
0 x1fee0, 0 x1fee0,
0 x1ff00, 0 x1ff84,
0 x1ffc0, 0 x1ffc8,
0 x30000, 0 x30030,
0 x30100, 0 x30168,
0 x30190, 0 x301a0,
0 x301a8, 0 x301b8,
0 x301c4, 0 x301c8,
0 x301d0, 0 x301d0,
0 x30200, 0 x30320,
0 x30400, 0 x304b4,
0 x304c0, 0 x3052c,
0 x30540, 0 x3061c,
0 x30800, 0 x308a0,
0 x308c0, 0 x30908,
0 x30910, 0 x309b8,
0 x30a00, 0 x30a04,
0 x30a0c, 0 x30a14,
0 x30a1c, 0 x30a2c,
0 x30a44, 0 x30a50,
0 x30a74, 0 x30a74,
0 x30a7c, 0 x30afc,
0 x30b08, 0 x30c24,
0 x30d00, 0 x30d14,
0 x30d1c, 0 x30d3c,
0 x30d44, 0 x30d4c,
0 x30d54, 0 x30d74,
0 x30d7c, 0 x30d7c,
0 x30de0, 0 x30de0,
0 x30e00, 0 x30ed4,
0 x30f00, 0 x30fa4,
0 x30fc0, 0 x30fc4,
0 x31000, 0 x31004,
0 x31080, 0 x310fc,
0 x31208, 0 x31220,
0 x3123c, 0 x31254,
0 x31300, 0 x31300,
0 x31308, 0 x3131c,
0 x31338, 0 x3133c,
0 x31380, 0 x31380,
0 x31388, 0 x313a8,
0 x313b4, 0 x313b4,
0 x31400, 0 x31420,
0 x31438, 0 x3143c,
0 x31480, 0 x31480,
0 x314a8, 0 x314a8,
0 x314b0, 0 x314b4,
0 x314c8, 0 x314d4,
0 x31a40, 0 x31a4c,
0 x31af0, 0 x31b20,
0 x31b38, 0 x31b3c,
0 x31b80, 0 x31b80,
0 x31ba8, 0 x31ba8,
0 x31bb0, 0 x31bb4,
0 x31bc8, 0 x31bd4,
0 x32140, 0 x3218c,
0 x321f0, 0 x321f4,
0 x32200, 0 x32200,
0 x32218, 0 x32218,
0 x32400, 0 x32400,
0 x32408, 0 x3241c,
0 x32618, 0 x32620,
0 x32664, 0 x32664,
0 x326a8, 0 x326a8,
0 x326ec, 0 x326ec,
0 x32a00, 0 x32abc,
0 x32b00, 0 x32b18,
0 x32b20, 0 x32b38,
0 x32b40, 0 x32b58,
0 x32b60, 0 x32b78,
0 x32c00, 0 x32c00,
0 x32c08, 0 x32c3c,
0 x33000, 0 x3302c,
0 x33034, 0 x33050,
0 x33058, 0 x33058,
0 x33060, 0 x3308c,
0 x3309c, 0 x330ac,
0 x330c0, 0 x330c0,
0 x330c8, 0 x330d0,
0 x330d8, 0 x330e0,
0 x330ec, 0 x3312c,
0 x33134, 0 x33150,
0 x33158, 0 x33158,
0 x33160, 0 x3318c,
0 x3319c, 0 x331ac,
0 x331c0, 0 x331c0,
0 x331c8, 0 x331d0,
0 x331d8, 0 x331e0,
0 x331ec, 0 x33290,
0 x33298, 0 x332c4,
0 x332e4, 0 x33390,
0 x33398, 0 x333c4,
0 x333e4, 0 x3342c,
0 x33434, 0 x33450,
0 x33458, 0 x33458,
0 x33460, 0 x3348c,
0 x3349c, 0 x334ac,
0 x334c0, 0 x334c0,
0 x334c8, 0 x334d0,
0 x334d8, 0 x334e0,
0 x334ec, 0 x3352c,
0 x33534, 0 x33550,
0 x33558, 0 x33558,
0 x33560, 0 x3358c,
0 x3359c, 0 x335ac,
0 x335c0, 0 x335c0,
0 x335c8, 0 x335d0,
0 x335d8, 0 x335e0,
0 x335ec, 0 x33690,
0 x33698, 0 x336c4,
0 x336e4, 0 x33790,
0 x33798, 0 x337c4,
0 x337e4, 0 x337fc,
0 x33814, 0 x33814,
0 x33854, 0 x33868,
0 x33880, 0 x3388c,
0 x338c0, 0 x338d0,
0 x338e8, 0 x338ec,
0 x33900, 0 x3392c,
0 x33934, 0 x33950,
0 x33958, 0 x33958,
0 x33960, 0 x3398c,
0 x3399c, 0 x339ac,
0 x339c0, 0 x339c0,
0 x339c8, 0 x339d0,
0 x339d8, 0 x339e0,
0 x339ec, 0 x33a90,
0 x33a98, 0 x33ac4,
0 x33ae4, 0 x33b10,
0 x33b24, 0 x33b28,
0 x33b38, 0 x33b50,
0 x33bf0, 0 x33c10,
0 x33c24, 0 x33c28,
0 x33c38, 0 x33c50,
0 x33cf0, 0 x33cfc,
0 x34000, 0 x34030,
0 x34100, 0 x34168,
0 x34190, 0 x341a0,
0 x341a8, 0 x341b8,
0 x341c4, 0 x341c8,
0 x341d0, 0 x341d0,
0 x34200, 0 x34320,
0 x34400, 0 x344b4,
0 x344c0, 0 x3452c,
0 x34540, 0 x3461c,
0 x34800, 0 x348a0,
0 x348c0, 0 x34908,
0 x34910, 0 x349b8,
0 x34a00, 0 x34a04,
0 x34a0c, 0 x34a14,
0 x34a1c, 0 x34a2c,
0 x34a44, 0 x34a50,
0 x34a74, 0 x34a74,
0 x34a7c, 0 x34afc,
0 x34b08, 0 x34c24,
0 x34d00, 0 x34d14,
0 x34d1c, 0 x34d3c,
0 x34d44, 0 x34d4c,
0 x34d54, 0 x34d74,
0 x34d7c, 0 x34d7c,
0 x34de0, 0 x34de0,
0 x34e00, 0 x34ed4,
0 x34f00, 0 x34fa4,
0 x34fc0, 0 x34fc4,
0 x35000, 0 x35004,
0 x35080, 0 x350fc,
0 x35208, 0 x35220,
0 x3523c, 0 x35254,
0 x35300, 0 x35300,
0 x35308, 0 x3531c,
0 x35338, 0 x3533c,
0 x35380, 0 x35380,
0 x35388, 0 x353a8,
0 x353b4, 0 x353b4,
0 x35400, 0 x35420,
0 x35438, 0 x3543c,
0 x35480, 0 x35480,
0 x354a8, 0 x354a8,
0 x354b0, 0 x354b4,
0 x354c8, 0 x354d4,
0 x35a40, 0 x35a4c,
0 x35af0, 0 x35b20,
0 x35b38, 0 x35b3c,
0 x35b80, 0 x35b80,
0 x35ba8, 0 x35ba8,
0 x35bb0, 0 x35bb4,
0 x35bc8, 0 x35bd4,
0 x36140, 0 x3618c,
0 x361f0, 0 x361f4,
0 x36200, 0 x36200,
0 x36218, 0 x36218,
0 x36400, 0 x36400,
0 x36408, 0 x3641c,
0 x36618, 0 x36620,
0 x36664, 0 x36664,
0 x366a8, 0 x366a8,
0 x366ec, 0 x366ec,
0 x36a00, 0 x36abc,
0 x36b00, 0 x36b18,
0 x36b20, 0 x36b38,
0 x36b40, 0 x36b58,
0 x36b60, 0 x36b78,
0 x36c00, 0 x36c00,
0 x36c08, 0 x36c3c,
0 x37000, 0 x3702c,
0 x37034, 0 x37050,
0 x37058, 0 x37058,
0 x37060, 0 x3708c,
0 x3709c, 0 x370ac,
0 x370c0, 0 x370c0,
0 x370c8, 0 x370d0,
0 x370d8, 0 x370e0,
0 x370ec, 0 x3712c,
0 x37134, 0 x37150,
0 x37158, 0 x37158,
0 x37160, 0 x3718c,
0 x3719c, 0 x371ac,
0 x371c0, 0 x371c0,
0 x371c8, 0 x371d0,
0 x371d8, 0 x371e0,
0 x371ec, 0 x37290,
0 x37298, 0 x372c4,
0 x372e4, 0 x37390,
0 x37398, 0 x373c4,
0 x373e4, 0 x3742c,
0 x37434, 0 x37450,
0 x37458, 0 x37458,
0 x37460, 0 x3748c,
0 x3749c, 0 x374ac,
0 x374c0, 0 x374c0,
0 x374c8, 0 x374d0,
0 x374d8, 0 x374e0,
0 x374ec, 0 x3752c,
0 x37534, 0 x37550,
0 x37558, 0 x37558,
0 x37560, 0 x3758c,
0 x3759c, 0 x375ac,
0 x375c0, 0 x375c0,
0 x375c8, 0 x375d0,
0 x375d8, 0 x375e0,
0 x375ec, 0 x37690,
0 x37698, 0 x376c4,
0 x376e4, 0 x37790,
0 x37798, 0 x377c4,
0 x377e4, 0 x377fc,
0 x37814, 0 x37814,
0 x37854, 0 x37868,
0 x37880, 0 x3788c,
0 x378c0, 0 x378d0,
0 x378e8, 0 x378ec,
0 x37900, 0 x3792c,
0 x37934, 0 x37950,
0 x37958, 0 x37958,
0 x37960, 0 x3798c,
0 x3799c, 0 x379ac,
0 x379c0, 0 x379c0,
0 x379c8, 0 x379d0,
0 x379d8, 0 x379e0,
0 x379ec, 0 x37a90,
0 x37a98, 0 x37ac4,
0 x37ae4, 0 x37b10,
0 x37b24, 0 x37b28,
0 x37b38, 0 x37b50,
0 x37bf0, 0 x37c10,
0 x37c24, 0 x37c28,
0 x37c38, 0 x37c50,
0 x37cf0, 0 x37cfc,
0 x40040, 0 x40040,
0 x40080, 0 x40084,
0 x40100, 0 x40100,
0 x40140, 0 x401bc,
0 x40200, 0 x40214,
0 x40228, 0 x40228,
0 x40240, 0 x40258,
0 x40280, 0 x40280,
0 x40304, 0 x40304,
0 x40330, 0 x4033c,
0 x41304, 0 x413c8,
0 x413d0, 0 x413dc,
0 x413f0, 0 x413f0,
0 x41400, 0 x4140c,
0 x41414, 0 x4141c,
0 x41480, 0 x414d0,
0 x44000, 0 x4407c,
0 x440c0, 0 x441ac,
0 x441b4, 0 x4427c,
0 x442c0, 0 x443ac,
0 x443b4, 0 x4447c,
0 x444c0, 0 x445ac,
0 x445b4, 0 x4467c,
0 x446c0, 0 x447ac,
0 x447b4, 0 x4487c,
0 x448c0, 0 x449ac,
0 x449b4, 0 x44a7c,
0 x44ac0, 0 x44bac,
0 x44bb4, 0 x44c7c,
0 x44cc0, 0 x44dac,
0 x44db4, 0 x44e7c,
0 x44ec0, 0 x44fac,
0 x44fb4, 0 x4507c,
0 x450c0, 0 x451ac,
0 x451b4, 0 x451fc,
0 x45800, 0 x45804,
0 x45810, 0 x45830,
0 x45840, 0 x45860,
0 x45868, 0 x45868,
0 x45880, 0 x45884,
0 x458a0, 0 x458b0,
0 x45a00, 0 x45a04,
0 x45a10, 0 x45a30,
0 x45a40, 0 x45a60,
0 x45a68, 0 x45a68,
0 x45a80, 0 x45a84,
0 x45aa0, 0 x45ab0,
0 x460c0, 0 x460e4,
0 x47000, 0 x4703c,
0 x47044, 0 x4708c,
0 x47200, 0 x47250,
0 x47400, 0 x47408,
0 x47414, 0 x47420,
0 x47600, 0 x47618,
0 x47800, 0 x47814,
0 x47820, 0 x4782c,
0 x50000, 0 x50084,
0 x50090, 0 x500cc,
0 x50300, 0 x50384,
0 x50400, 0 x50400,
0 x50800, 0 x50884,
0 x50890, 0 x508cc,
0 x50b00, 0 x50b84,
0 x50c00, 0 x50c00,
0 x51000, 0 x51020,
0 x51028, 0 x510b0,
0 x51300, 0 x51324,
};
u32 *buf_end = (u32 *)((char *)buf + buf_size);
const unsigned int *reg_ranges;
int reg_ranges_size, range;
unsigned int chip_version = CHELSIO_CHIP_VERSION(adap->params.chip);
/* Select the right set of register ranges to dump depending on the
* adapter chip type .
*/
switch (chip_version) {
case CHELSIO_T4:
reg_ranges = t4_reg_ranges;
reg_ranges_size = ARRAY_SIZE(t4_reg_ranges);
break ;
case CHELSIO_T5:
reg_ranges = t5_reg_ranges;
reg_ranges_size = ARRAY_SIZE(t5_reg_ranges);
break ;
case CHELSIO_T6:
reg_ranges = t6_reg_ranges;
reg_ranges_size = ARRAY_SIZE(t6_reg_ranges);
break ;
default :
dev_err(adap->pdev_dev,
"Unsupported chip version %d\n" , chip_version);
return ;
}
/* Clear the register buffer and insert the appropriate register
* values selected by the above register ranges .
*/
memset(buf, 0 , buf_size);
for (range = 0 ; range < reg_ranges_size; range += 2 ) {
unsigned int reg = reg_ranges[range];
unsigned int last_reg = reg_ranges[range + 1 ];
u32 *bufp = (u32 *)((char *)buf + reg);
/* Iterate across the register range filling in the register
* buffer but don ' t write past the end of the register buffer .
*/
while (reg <= last_reg && bufp < buf_end) {
*bufp++ = t4_read_reg(adap, reg);
reg += sizeof (u32);
}
}
}
#define EEPROM_STAT_ADDR 0 x7bfc
#define VPD_BASE 0 x400
#define VPD_BASE_OLD 0
#define VPD_LEN 1024
/**
* t4_eeprom_ptov - translate a physical EEPROM address to virtual
* @ phys_addr : the physical EEPROM address
* @ fn : the PCI function number
* @ sz : size of function - specific area
*
* Translate a physical EEPROM address to virtual . The first 1 K is
* accessed through virtual addresses starting at 31 K , the rest is
* accessed through virtual addresses starting at 0 .
*
* The mapping is as follows :
* [ 0 . . 1 K ) - > [ 31 K . . 32 K )
* [ 1 K . . 1 K + A ) - > [ 31 K - A . . 31 K )
* [ 1 K + A . . ES ) - > [ 0 . . ES - A - 1 K )
*
* where A = @ fn * @ sz , and ES = EEPROM size .
*/
int t4_eeprom_ptov(unsigned int phys_addr, unsigned int fn, unsigned int sz)
{
fn *= sz;
if (phys_addr < 1024 )
return phys_addr + (31 << 10 );
if (phys_addr < 1024 + fn)
return 31744 - fn + phys_addr - 1024 ;
if (phys_addr < EEPROMSIZE)
return phys_addr - 1024 - fn;
return -EINVAL;
}
/**
* t4_seeprom_wp - enable / disable EEPROM write protection
* @ adapter : the adapter
* @ enable : whether to enable or disable write protection
*
* Enables or disables write protection on the serial EEPROM .
*/
int t4_seeprom_wp(struct adapter *adapter, bool enable)
{
unsigned int v = enable ? 0 xc : 0 ;
int ret = pci_write_vpd(adapter->pdev, EEPROM_STAT_ADDR, 4 , &v);
return ret < 0 ? ret : 0 ;
}
/**
* t4_get_raw_vpd_params - read VPD parameters from VPD EEPROM
* @ adapter : adapter to read
* @ p : where to store the parameters
*
* Reads card parameters stored in VPD EEPROM .
*/
int t4_get_raw_vpd_params(struct adapter *adapter, struct vpd_params *p)
{
unsigned int id_len, pn_len, sn_len, na_len;
int id, sn, pn, na, addr, ret = 0 ;
u8 *vpd, base_val = 0 ;
vpd = vmalloc(VPD_LEN);
if (!vpd)
return -ENOMEM;
/* Card information normally starts at VPD_BASE but early cards had
* it at 0 .
*/
ret = pci_read_vpd(adapter->pdev, VPD_BASE, 1 , &base_val);
if (ret < 0 )
goto out;
addr = base_val == PCI_VPD_LRDT_ID_STRING ? VPD_BASE : VPD_BASE_OLD;
ret = pci_read_vpd(adapter->pdev, addr, VPD_LEN, vpd);
if (ret < 0 )
goto out;
ret = pci_vpd_find_id_string(vpd, VPD_LEN, &id_len);
if (ret < 0 )
goto out;
id = ret;
ret = pci_vpd_check_csum(vpd, VPD_LEN);
if (ret) {
dev_err(adapter->pdev_dev, "VPD checksum incorrect or missing\n" );
ret = -EINVAL;
goto out;
}
ret = pci_vpd_find_ro_info_keyword(vpd, VPD_LEN,
PCI_VPD_RO_KEYWORD_SERIALNO, &sn_len);
if (ret < 0 )
goto out;
sn = ret;
ret = pci_vpd_find_ro_info_keyword(vpd, VPD_LEN,
PCI_VPD_RO_KEYWORD_PARTNO, &pn_len);
if (ret < 0 )
goto out;
pn = ret;
ret = pci_vpd_find_ro_info_keyword(vpd, VPD_LEN, "NA" , &na_len);
if (ret < 0 )
goto out;
na = ret;
memcpy(p->id, vpd + id, min_t(unsigned int , id_len, ID_LEN));
strim(p->id);
memcpy(p->sn, vpd + sn, min_t(unsigned int , sn_len, SERNUM_LEN));
strim(p->sn);
memcpy(p->pn, vpd + pn, min_t(unsigned int , pn_len, PN_LEN));
strim(p->pn);
memcpy(p->na, vpd + na, min_t(unsigned int , na_len, MACADDR_LEN));
strim(p->na);
out:
vfree(vpd);
if (ret < 0 ) {
dev_err(adapter->pdev_dev, "error reading VPD\n" );
return ret;
}
return 0 ;
}
/**
* t4_get_vpd_params - read VPD parameters & retrieve Core Clock
* @ adapter : adapter to read
* @ p : where to store the parameters
*
* Reads card parameters stored in VPD EEPROM and retrieves the Core
* Clock . This can only be called after a connection to the firmware
* is established .
*/
int t4_get_vpd_params(struct adapter *adapter, struct vpd_params *p)
{
u32 cclk_param, cclk_val;
int ret;
/* Grab the raw VPD parameters.
*/
ret = t4_get_raw_vpd_params(adapter, p);
if (ret)
return ret;
/* Ask firmware for the Core Clock since it knows how to translate the
* Reference Clock ( ' V2 ' ) VPD field into a Core Clock value . . .
*/
cclk_param = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_DEV) |
FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_DEV_CCLK));
ret = t4_query_params(adapter, adapter->mbox, adapter->pf, 0 ,
1 , &cclk_param, &cclk_val);
if (ret)
return ret;
p->cclk = cclk_val;
return 0 ;
}
/**
* t4_get_pfres - retrieve VF resource limits
* @ adapter : the adapter
*
* Retrieves configured resource limits and capabilities for a physical
* function . The results are stored in @ adapter - > pfres .
*/
int t4_get_pfres(struct adapter *adapter)
{
struct pf_resources *pfres = &adapter->params.pfres;
struct fw_pfvf_cmd cmd, rpl;
int v;
u32 word;
/* Execute PFVF Read command to get VF resource limits; bail out early
* with error on command failure .
*/
memset(&cmd, 0 , sizeof (cmd));
cmd.op_to_vfn = cpu_to_be32(FW_CMD_OP_V(FW_PFVF_CMD) |
FW_CMD_REQUEST_F |
FW_CMD_READ_F |
FW_PFVF_CMD_PFN_V(adapter->pf) |
FW_PFVF_CMD_VFN_V(0 ));
cmd.retval_len16 = cpu_to_be32(FW_LEN16(cmd));
v = t4_wr_mbox(adapter, adapter->mbox, &cmd, sizeof (cmd), &rpl);
if (v != FW_SUCCESS)
return v;
/* Extract PF resource limits and return success.
*/
word = be32_to_cpu(rpl.niqflint_niq);
pfres->niqflint = FW_PFVF_CMD_NIQFLINT_G(word);
pfres->niq = FW_PFVF_CMD_NIQ_G(word);
word = be32_to_cpu(rpl.type_to_neq);
pfres->neq = FW_PFVF_CMD_NEQ_G(word);
pfres->pmask = FW_PFVF_CMD_PMASK_G(word);
word = be32_to_cpu(rpl.tc_to_nexactf);
pfres->tc = FW_PFVF_CMD_TC_G(word);
pfres->nvi = FW_PFVF_CMD_NVI_G(word);
pfres->nexactf = FW_PFVF_CMD_NEXACTF_G(word);
word = be32_to_cpu(rpl.r_caps_to_nethctrl);
pfres->r_caps = FW_PFVF_CMD_R_CAPS_G(word);
pfres->wx_caps = FW_PFVF_CMD_WX_CAPS_G(word);
pfres->nethctrl = FW_PFVF_CMD_NETHCTRL_G(word);
return 0 ;
}
/* serial flash and firmware constants */
enum {
SF_ATTEMPTS = 10 , /* max retries for SF operations */
/* flash command opcodes */
SF_PROG_PAGE = 2 , /* program page */
SF_WR_DISABLE = 4 , /* disable writes */
SF_RD_STATUS = 5 , /* read status register */
SF_WR_ENABLE = 6 , /* enable writes */
SF_RD_DATA_FAST = 0 xb, /* read flash */
SF_RD_ID = 0 x9f, /* read ID */
SF_ERASE_SECTOR = 0 xd8, /* erase sector */
};
/**
* sf1_read - read data from the serial flash
* @ adapter : the adapter
* @ byte_cnt : number of bytes to read
* @ cont : whether another operation will be chained
* @ lock : whether to lock SF for PL access only
* @ valp : where to store the read data
*
* Reads up to 4 bytes of data from the serial flash . The location of
* the read needs to be specified prior to calling this by issuing the
* appropriate commands to the serial flash .
*/
static int sf1_read(struct adapter *adapter, unsigned int byte_cnt, int cont,
int lock, u32 *valp)
{
int ret;
if (!byte_cnt || byte_cnt > 4 )
return -EINVAL;
if (t4_read_reg(adapter, SF_OP_A) & SF_BUSY_F)
return -EBUSY;
t4_write_reg(adapter, SF_OP_A, SF_LOCK_V(lock) |
SF_CONT_V(cont) | BYTECNT_V(byte_cnt - 1 ));
ret = t4_wait_op_done(adapter, SF_OP_A, SF_BUSY_F, 0 , SF_ATTEMPTS, 5 );
if (!ret)
*valp = t4_read_reg(adapter, SF_DATA_A);
return ret;
}
/**
* sf1_write - write data to the serial flash
* @ adapter : the adapter
* @ byte_cnt : number of bytes to write
* @ cont : whether another operation will be chained
* @ lock : whether to lock SF for PL access only
* @ val : value to write
*
* Writes up to 4 bytes of data to the serial flash . The location of
* the write needs to be specified prior to calling this by issuing the
* appropriate commands to the serial flash .
*/
static int sf1_write(struct adapter *adapter, unsigned int byte_cnt, int cont,
int lock, u32 val)
{
if (!byte_cnt || byte_cnt > 4 )
return -EINVAL;
if (t4_read_reg(adapter, SF_OP_A) & SF_BUSY_F)
return -EBUSY;
t4_write_reg(adapter, SF_DATA_A, val);
t4_write_reg(adapter, SF_OP_A, SF_LOCK_V(lock) |
SF_CONT_V(cont) | BYTECNT_V(byte_cnt - 1 ) | OP_V(1 ));
return t4_wait_op_done(adapter, SF_OP_A, SF_BUSY_F, 0 , SF_ATTEMPTS, 5 );
}
/**
* flash_wait_op - wait for a flash operation to complete
* @ adapter : the adapter
* @ attempts : max number of polls of the status register
* @ delay : delay between polls in ms
*
* Wait for a flash operation to complete by polling the status register .
*/
static int flash_wait_op(struct adapter *adapter, int attempts, int delay)
{
int ret;
u32 status;
while (1 ) {
if ((ret = sf1_write(adapter, 1 , 1 , 1 , SF_RD_STATUS)) != 0 ||
(ret = sf1_read(adapter, 1 , 0 , 1 , &status)) != 0 )
return ret;
if (!(status & 1 ))
return 0 ;
if (--attempts == 0 )
return -EAGAIN;
if (delay)
msleep(delay);
}
}
/**
* t4_read_flash - read words from serial flash
* @ adapter : the adapter
* @ addr : the start address for the read
* @ nwords : how many 32 - bit words to read
* @ data : where to store the read data
* @ byte_oriented : whether to store data as bytes or as words
*
* Read the specified number of 32 - bit words from the serial flash .
* If @ byte_oriented is set the read data is stored as a byte array
* ( i . e . , big - endian ) , otherwise as 32 - bit words in the platform ' s
* natural endianness .
*/
int t4_read_flash(struct adapter *adapter, unsigned int addr,
unsigned int nwords, u32 *data, int byte_oriented)
{
int ret;
if (addr + nwords * sizeof (u32) > adapter->params.sf_size || (addr & 3 ))
return -EINVAL;
addr = swab32(addr) | SF_RD_DATA_FAST;
if ((ret = sf1_write(adapter, 4 , 1 , 0 , addr)) != 0 ||
(ret = sf1_read(adapter, 1 , 1 , 0 , data)) != 0 )
return ret;
for ( ; nwords; nwords--, data++) {
ret = sf1_read(adapter, 4 , nwords > 1 , nwords == 1 , data);
if (nwords == 1 )
t4_write_reg(adapter, SF_OP_A, 0 ); /* unlock SF */
if (ret)
return ret;
if (byte_oriented)
*data = (__force __u32)(cpu_to_be32(*data));
}
return 0 ;
}
/**
* t4_write_flash - write up to a page of data to the serial flash
* @ adapter : the adapter
* @ addr : the start address to write
* @ n : length of data to write in bytes
* @ data : the data to write
* @ byte_oriented : whether to store data as bytes or as words
*
* Writes up to a page of data ( 256 bytes ) to the serial flash starting
* at the given address . All the data must be written to the same page .
* If @ byte_oriented is set the write data is stored as byte stream
* ( i . e . matches what on disk ) , otherwise in big - endian .
*/
static int t4_write_flash(struct adapter *adapter, unsigned int addr,
unsigned int n, const u8 *data, bool byte_oriented)
{
unsigned int i, c, left, val, offset = addr & 0 xff;
u32 buf[64 ];
int ret;
if (addr >= adapter->params.sf_size || offset + n > SF_PAGE_SIZE)
return -EINVAL;
val = swab32(addr) | SF_PROG_PAGE;
if ((ret = sf1_write(adapter, 1 , 0 , 1 , SF_WR_ENABLE)) != 0 ||
(ret = sf1_write(adapter, 4 , 1 , 1 , val)) != 0 )
goto unlock;
for (left = n; left; left -= c, data += c) {
c = min(left, 4 U);
for (val = 0 , i = 0 ; i < c; ++i) {
if (byte_oriented)
val = (val << 8 ) + data[i];
else
val = (val << 8 ) + data[c - i - 1 ];
}
ret = sf1_write(adapter, c, c != left, 1 , val);
if (ret)
goto unlock;
}
ret = flash_wait_op(adapter, 8 , 1 );
if (ret)
goto unlock;
t4_write_reg(adapter, SF_OP_A, 0 ); /* unlock SF */
/* Read the page to verify the write succeeded */
ret = t4_read_flash(adapter, addr & ~0 xff, ARRAY_SIZE(buf), buf,
byte_oriented);
if (ret)
return ret;
if (memcmp(data - n, (u8 *)buf + offset, n)) {
dev_err(adapter->pdev_dev,
"failed to correctly write the flash page at %#x\n" ,
addr);
return -EIO;
}
return 0 ;
unlock:
t4_write_reg(adapter, SF_OP_A, 0 ); /* unlock SF */
return ret;
}
/**
* t4_get_fw_version - read the firmware version
* @ adapter : the adapter
* @ vers : where to place the version
*
* Reads the FW version from flash .
*/
int t4_get_fw_version(struct adapter *adapter, u32 *vers)
{
return t4_read_flash(adapter, FLASH_FW_START +
offsetof(struct fw_hdr, fw_ver), 1 ,
vers, 0 );
}
/**
* t4_get_bs_version - read the firmware bootstrap version
* @ adapter : the adapter
* @ vers : where to place the version
*
* Reads the FW Bootstrap version from flash .
*/
int t4_get_bs_version(struct adapter *adapter, u32 *vers)
{
return t4_read_flash(adapter, FLASH_FWBOOTSTRAP_START +
offsetof(struct fw_hdr, fw_ver), 1 ,
vers, 0 );
}
/**
* t4_get_tp_version - read the TP microcode version
* @ adapter : the adapter
* @ vers : where to place the version
*
* Reads the TP microcode version from flash .
*/
int t4_get_tp_version(struct adapter *adapter, u32 *vers)
{
return t4_read_flash(adapter, FLASH_FW_START +
offsetof(struct fw_hdr, tp_microcode_ver),
1 , vers, 0 );
}
/**
* t4_get_exprom_version - return the Expansion ROM version ( if any )
* @ adap : the adapter
* @ vers : where to place the version
*
* Reads the Expansion ROM header from FLASH and returns the version
* number ( if present ) through the @ vers return value pointer . We return
* this in the Firmware Version Format since it ' s convenient . Return
* 0 on success , - ENOENT if no Expansion ROM is present .
*/
int t4_get_exprom_version(struct adapter *adap, u32 *vers)
{
struct exprom_header {
unsigned char hdr_arr[16 ]; /* must start with 0x55aa */
unsigned char hdr_ver[4 ]; /* Expansion ROM version */
} *hdr;
u32 exprom_header_buf[DIV_ROUND_UP(sizeof (struct exprom_header),
sizeof (u32))];
int ret;
ret = t4_read_flash(adap, FLASH_EXP_ROM_START,
ARRAY_SIZE(exprom_header_buf), exprom_header_buf,
0 );
if (ret)
return ret;
hdr = (struct exprom_header *)exprom_header_buf;
if (hdr->hdr_arr[0 ] != 0 x55 || hdr->hdr_arr[1 ] != 0 xaa)
return -ENOENT;
*vers = (FW_HDR_FW_VER_MAJOR_V(hdr->hdr_ver[0 ]) |
FW_HDR_FW_VER_MINOR_V(hdr->hdr_ver[1 ]) |
FW_HDR_FW_VER_MICRO_V(hdr->hdr_ver[2 ]) |
FW_HDR_FW_VER_BUILD_V(hdr->hdr_ver[3 ]));
return 0 ;
}
/**
* t4_get_vpd_version - return the VPD version
* @ adapter : the adapter
* @ vers : where to place the version
*
* Reads the VPD via the Firmware interface ( thus this can only be called
* once we ' re ready to issue Firmware commands ) . The format of the
* VPD version is adapter specific . Returns 0 on success , an error on
* failure .
*
* Note that early versions of the Firmware didn ' t include the ability
* to retrieve the VPD version , so we zero - out the return - value parameter
* in that case to avoid leaving it with garbage in it .
*
* Also note that the Firmware will return its cached copy of the VPD
* Revision ID , not the actual Revision ID as written in the Serial
* EEPROM . This is only an issue if a new VPD has been written and the
* Firmware / Chip haven ' t yet gone through a RESET sequence . So it ' s best
* to defer calling this routine till after a FW_RESET_CMD has been issued
* if the Host Driver will be performing a full adapter initialization .
*/
int t4_get_vpd_version(struct adapter *adapter, u32 *vers)
{
u32 vpdrev_param;
int ret;
vpdrev_param = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_DEV) |
FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_DEV_VPDREV));
ret = t4_query_params(adapter, adapter->mbox, adapter->pf, 0 ,
1 , &vpdrev_param, vers);
if (ret)
*vers = 0 ;
return ret;
}
/**
* t4_get_scfg_version - return the Serial Configuration version
* @ adapter : the adapter
* @ vers : where to place the version
*
* Reads the Serial Configuration Version via the Firmware interface
* ( thus this can only be called once we ' re ready to issue Firmware
* commands ) . The format of the Serial Configuration version is
* adapter specific . Returns 0 on success , an error on failure .
*
* Note that early versions of the Firmware didn ' t include the ability
* to retrieve the Serial Configuration version , so we zero - out the
* return - value parameter in that case to avoid leaving it with
* garbage in it .
*
* Also note that the Firmware will return its cached copy of the Serial
* Initialization Revision ID , not the actual Revision ID as written in
* the Serial EEPROM . This is only an issue if a new VPD has been written
* and the Firmware / Chip haven ' t yet gone through a RESET sequence . So
* it ' s best to defer calling this routine till after a FW_RESET_CMD has
* been issued if the Host Driver will be performing a full adapter
* initialization .
*/
int t4_get_scfg_version(struct adapter *adapter, u32 *vers)
{
u32 scfgrev_param;
int ret;
scfgrev_param = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_DEV) |
FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_DEV_SCFGREV));
ret = t4_query_params(adapter, adapter->mbox, adapter->pf, 0 ,
1 , &scfgrev_param, vers);
if (ret)
*vers = 0 ;
return ret;
}
/**
* t4_get_version_info - extract various chip / firmware version information
* @ adapter : the adapter
*
* Reads various chip / firmware version numbers and stores them into the
* adapter Adapter Parameters structure . If any of the efforts fails
* the first failure will be returned , but all of the version numbers
* will be read .
*/
int t4_get_version_info(struct adapter *adapter)
{
int ret = 0 ;
#define FIRST_RET(__getvinfo) \
do { \
int __ret = __getvinfo; \
if (__ret && !ret) \
ret = __ret; \
} while (0 )
FIRST_RET(t4_get_fw_version(adapter, &adapter->params.fw_vers));
FIRST_RET(t4_get_bs_version(adapter, &adapter->params.bs_vers));
FIRST_RET(t4_get_tp_version(adapter, &adapter->params.tp_vers));
FIRST_RET(t4_get_exprom_version(adapter, &adapter->params.er_vers));
FIRST_RET(t4_get_scfg_version(adapter, &adapter->params.scfg_vers));
FIRST_RET(t4_get_vpd_version(adapter, &adapter->params.vpd_vers));
#undef FIRST_RET
return ret;
}
/**
* t4_dump_version_info - dump all of the adapter configuration IDs
* @ adapter : the adapter
*
* Dumps all of the various bits of adapter configuration version / revision
* IDs information . This is typically called at some point after
* t4_get_version_info ( ) has been called .
*/
void t4_dump_version_info(struct adapter *adapter)
{
/* Device information */
dev_info(adapter->pdev_dev, "Chelsio %s rev %d\n" ,
adapter->params.vpd.id,
CHELSIO_CHIP_RELEASE(adapter->params.chip));
dev_info(adapter->pdev_dev, "S/N: %s, P/N: %s\n" ,
adapter->params.vpd.sn, adapter->params.vpd.pn);
/* Firmware Version */
if (!adapter->params.fw_vers)
dev_warn(adapter->pdev_dev, "No firmware loaded\n" );
else
dev_info(adapter->pdev_dev, "Firmware version: %u.%u.%u.%u\n" ,
FW_HDR_FW_VER_MAJOR_G(adapter->params.fw_vers),
FW_HDR_FW_VER_MINOR_G(adapter->params.fw_vers),
FW_HDR_FW_VER_MICRO_G(adapter->params.fw_vers),
FW_HDR_FW_VER_BUILD_G(adapter->params.fw_vers));
/* Bootstrap Firmware Version. (Some adapters don't have Bootstrap
* Firmware , so dev_info ( ) is more appropriate here . )
*/
if (!adapter->params.bs_vers)
dev_info(adapter->pdev_dev, "No bootstrap loaded\n" );
else
dev_info(adapter->pdev_dev, "Bootstrap version: %u.%u.%u.%u\n" ,
FW_HDR_FW_VER_MAJOR_G(adapter->params.bs_vers),
FW_HDR_FW_VER_MINOR_G(adapter->params.bs_vers),
FW_HDR_FW_VER_MICRO_G(adapter->params.bs_vers),
FW_HDR_FW_VER_BUILD_G(adapter->params.bs_vers));
/* TP Microcode Version */
if (!adapter->params.tp_vers)
dev_warn(adapter->pdev_dev, "No TP Microcode loaded\n" );
else
dev_info(adapter->pdev_dev,
"TP Microcode version: %u.%u.%u.%u\n" ,
FW_HDR_FW_VER_MAJOR_G(adapter->params.tp_vers),
FW_HDR_FW_VER_MINOR_G(adapter->params.tp_vers),
FW_HDR_FW_VER_MICRO_G(adapter->params.tp_vers),
FW_HDR_FW_VER_BUILD_G(adapter->params.tp_vers));
/* Expansion ROM version */
if (!adapter->params.er_vers)
dev_info(adapter->pdev_dev, "No Expansion ROM loaded\n" );
else
dev_info(adapter->pdev_dev,
"Expansion ROM version: %u.%u.%u.%u\n" ,
FW_HDR_FW_VER_MAJOR_G(adapter->params.er_vers),
FW_HDR_FW_VER_MINOR_G(adapter->params.er_vers),
FW_HDR_FW_VER_MICRO_G(adapter->params.er_vers),
FW_HDR_FW_VER_BUILD_G(adapter->params.er_vers));
/* Serial Configuration version */
dev_info(adapter->pdev_dev, "Serial Configuration version: %#x\n" ,
adapter->params.scfg_vers);
/* VPD Version */
dev_info(adapter->pdev_dev, "VPD version: %#x\n" ,
adapter->params.vpd_vers);
}
/**
* t4_check_fw_version - check if the FW is supported with this driver
* @ adap : the adapter
*
* Checks if an adapter ' s FW is compatible with the driver . Returns 0
* if there ' s exact match , a negative error if the version could not be
* read or there ' s a major version mismatch
*/
int t4_check_fw_version(struct adapter *adap)
{
int i, ret, major, minor, micro;
int exp_major, exp_minor, exp_micro;
unsigned int chip_version = CHELSIO_CHIP_VERSION(adap->params.chip);
ret = t4_get_fw_version(adap, &adap->params.fw_vers);
/* Try multiple times before returning error */
for (i = 0 ; (ret == -EBUSY || ret == -EAGAIN) && i < 3 ; i++)
ret = t4_get_fw_version(adap, &adap->params.fw_vers);
if (ret)
return ret;
major = FW_HDR_FW_VER_MAJOR_G(adap->params.fw_vers);
minor = FW_HDR_FW_VER_MINOR_G(adap->params.fw_vers);
micro = FW_HDR_FW_VER_MICRO_G(adap->params.fw_vers);
switch (chip_version) {
case CHELSIO_T4:
exp_major = T4FW_MIN_VERSION_MAJOR;
exp_minor = T4FW_MIN_VERSION_MINOR;
exp_micro = T4FW_MIN_VERSION_MICRO;
break ;
case CHELSIO_T5:
exp_major = T5FW_MIN_VERSION_MAJOR;
exp_minor = T5FW_MIN_VERSION_MINOR;
exp_micro = T5FW_MIN_VERSION_MICRO;
break ;
case CHELSIO_T6:
exp_major = T6FW_MIN_VERSION_MAJOR;
exp_minor = T6FW_MIN_VERSION_MINOR;
exp_micro = T6FW_MIN_VERSION_MICRO;
break ;
default :
dev_err(adap->pdev_dev, "Unsupported chip type, %x\n" ,
adap->chip);
return -EINVAL;
}
if (major < exp_major || (major == exp_major && minor < exp_minor) ||
(major == exp_major && minor == exp_minor && micro < exp_micro)) {
dev_err(adap->pdev_dev,
"Card has firmware version %u.%u.%u, minimum "
"supported firmware is %u.%u.%u.\n" , major, minor,
micro, exp_major, exp_minor, exp_micro);
return -EFAULT;
}
return 0 ;
}
/* Is the given firmware API compatible with the one the driver was compiled
* with ?
*/
static int fw_compatible(const struct fw_hdr *hdr1, const struct fw_hdr *hdr2)
{
/* short circuit if it's the exact same firmware version */
if (hdr1->chip == hdr2->chip && hdr1->fw_ver == hdr2->fw_ver)
return 1 ;
#define SAME_INTF(x) (hdr1->intfver_## x == hdr2->intfver_## x)
if (hdr1->chip == hdr2->chip && SAME_INTF(nic) && SAME_INTF(vnic) &&
SAME_INTF(ri) && SAME_INTF(iscsi) && SAME_INTF(fcoe))
return 1 ;
#undef SAME_INTF
return 0 ;
}
/* The firmware in the filesystem is usable, but should it be installed?
* This routine explains itself in detail if it indicates the filesystem
* firmware should be installed .
*/
static int should_install_fs_fw(struct adapter *adap, int card_fw_usable,
int k, int c)
{
const char *reason;
if (!card_fw_usable) {
reason = "incompatible or unusable" ;
goto install;
}
if (k > c) {
reason = "older than the version supported with this driver" ;
goto install;
}
return 0 ;
install:
dev_err(adap->pdev_dev, "firmware on card (%u.%u.%u.%u) is %s, "
"installing firmware %u.%u.%u.%u on card.\n" ,
FW_HDR_FW_VER_MAJOR_G(c), FW_HDR_FW_VER_MINOR_G(c),
FW_HDR_FW_VER_MICRO_G(c), FW_HDR_FW_VER_BUILD_G(c), reason,
FW_HDR_FW_VER_MAJOR_G(k), FW_HDR_FW_VER_MINOR_G(k),
FW_HDR_FW_VER_MICRO_G(k), FW_HDR_FW_VER_BUILD_G(k));
return 1 ;
}
int t4_prep_fw(struct adapter *adap, struct fw_info *fw_info,
const u8 *fw_data, unsigned int fw_size,
struct fw_hdr *card_fw, enum dev_state state,
int *reset)
{
int ret, card_fw_usable, fs_fw_usable;
const struct fw_hdr *fs_fw;
const struct fw_hdr *drv_fw;
drv_fw = &fw_info->fw_hdr;
/* Read the header of the firmware on the card */
ret = t4_read_flash(adap, FLASH_FW_START,
sizeof (*card_fw) / sizeof (uint32_t),
(uint32_t *)card_fw, 1 );
if (ret == 0 ) {
card_fw_usable = fw_compatible(drv_fw, (const void *)card_fw);
} else {
dev_err(adap->pdev_dev,
"Unable to read card's firmware header: %d\n" , ret);
card_fw_usable = 0 ;
}
if (fw_data != NULL) {
fs_fw = (const void *)fw_data;
fs_fw_usable = fw_compatible(drv_fw, fs_fw);
} else {
fs_fw = NULL;
fs_fw_usable = 0 ;
}
if (card_fw_usable && card_fw->fw_ver == drv_fw->fw_ver &&
(!fs_fw_usable || fs_fw->fw_ver == drv_fw->fw_ver)) {
/* Common case: the firmware on the card is an exact match and
* the filesystem one is an exact match too , or the filesystem
* one is absent / incompatible .
*/
} else if (fs_fw_usable && state == DEV_STATE_UNINIT &&
should_install_fs_fw(adap, card_fw_usable,
be32_to_cpu(fs_fw->fw_ver),
be32_to_cpu(card_fw->fw_ver))) {
ret = t4_fw_upgrade(adap, adap->mbox, fw_data,
fw_size, 0 );
if (ret != 0 ) {
dev_err(adap->pdev_dev,
"failed to install firmware: %d\n" , ret);
goto bye;
}
/* Installed successfully, update the cached header too. */
*card_fw = *fs_fw;
card_fw_usable = 1 ;
*reset = 0 ; /* already reset as part of load_fw */
}
if (!card_fw_usable) {
uint32_t d, c, k;
d = be32_to_cpu(drv_fw->fw_ver);
c = be32_to_cpu(card_fw->fw_ver);
k = fs_fw ? be32_to_cpu(fs_fw->fw_ver) : 0 ;
dev_err(adap->pdev_dev, "Cannot find a usable firmware: "
"chip state %d, "
"driver compiled with %d.%d.%d.%d, "
"card has %d.%d.%d.%d, filesystem has %d.%d.%d.%d\n" ,
state,
FW_HDR_FW_VER_MAJOR_G(d), FW_HDR_FW_VER_MINOR_G(d),
FW_HDR_FW_VER_MICRO_G(d), FW_HDR_FW_VER_BUILD_G(d),
FW_HDR_FW_VER_MAJOR_G(c), FW_HDR_FW_VER_MINOR_G(c),
FW_HDR_FW_VER_MICRO_G(c), FW_HDR_FW_VER_BUILD_G(c),
FW_HDR_FW_VER_MAJOR_G(k), FW_HDR_FW_VER_MINOR_G(k),
FW_HDR_FW_VER_MICRO_G(k), FW_HDR_FW_VER_BUILD_G(k));
ret = -EINVAL;
goto bye;
}
/* We're using whatever's on the card and it's known to be good. */
adap->params.fw_vers = be32_to_cpu(card_fw->fw_ver);
adap->params.tp_vers = be32_to_cpu(card_fw->tp_microcode_ver);
bye:
return ret;
}
/**
* t4_flash_erase_sectors - erase a range of flash sectors
* @ adapter : the adapter
* @ start : the first sector to erase
* @ end : the last sector to erase
*
* Erases the sectors in the given inclusive range .
*/
static int t4_flash_erase_sectors(struct adapter *adapter, int start, int end)
{
int ret = 0 ;
if (end >= adapter->params.sf_nsec)
return -EINVAL;
while (start <= end) {
if ((ret = sf1_write(adapter, 1 , 0 , 1 , SF_WR_ENABLE)) != 0 ||
(ret = sf1_write(adapter, 4 , 0 , 1 ,
SF_ERASE_SECTOR | (start << 8 ))) != 0 ||
(ret = flash_wait_op(adapter, 14 , 500 )) != 0 ) {
dev_err(adapter->pdev_dev,
"erase of flash sector %d failed, error %d\n" ,
start, ret);
break ;
}
start++;
}
t4_write_reg(adapter, SF_OP_A, 0 ); /* unlock SF */
return ret;
}
/**
* t4_flash_cfg_addr - return the address of the flash configuration file
* @ adapter : the adapter
*
* Return the address within the flash where the Firmware Configuration
* File is stored .
*/
unsigned int t4_flash_cfg_addr(struct adapter *adapter)
{
if (adapter->params.sf_size == 0 x100000)
return FLASH_FPGA_CFG_START;
else
return FLASH_CFG_START;
}
/* Return TRUE if the specified firmware matches the adapter. I.e. T4
* firmware for T4 adapters , T5 firmware for T5 adapters , etc . We go ahead
* and emit an error message for mismatched firmware to save our caller the
* effort . . .
*/
static bool t4_fw_matches_chip(const struct adapter *adap,
const struct fw_hdr *hdr)
{
/* The expression below will return FALSE for any unsupported adapter
* which will keep us " honest " in the future . . .
*/
if ((is_t4(adap->params.chip) && hdr->chip == FW_HDR_CHIP_T4) ||
(is_t5(adap->params.chip) && hdr->chip == FW_HDR_CHIP_T5) ||
(is_t6(adap->params.chip) && hdr->chip == FW_HDR_CHIP_T6))
return true ;
dev_err(adap->pdev_dev,
"FW image (%d) is not suitable for this adapter (%d)\n" ,
hdr->chip, CHELSIO_CHIP_VERSION(adap->params.chip));
return false ;
}
/**
* t4_load_fw - download firmware
* @ adap : the adapter
* @ fw_data : the firmware image to write
* @ size : image size
*
* Write the supplied firmware image to the card ' s serial flash .
*/
int t4_load_fw(struct adapter *adap, const u8 *fw_data, unsigned int size)
{
u32 csum;
int ret, addr;
unsigned int i;
u8 first_page[SF_PAGE_SIZE];
const __be32 *p = (const __be32 *)fw_data;
const struct fw_hdr *hdr = (const struct fw_hdr *)fw_data;
unsigned int sf_sec_size = adap->params.sf_size / adap->params.sf_nsec;
unsigned int fw_start_sec = FLASH_FW_START_SEC;
unsigned int fw_size = FLASH_FW_MAX_SIZE;
unsigned int fw_start = FLASH_FW_START;
if (!size) {
dev_err(adap->pdev_dev, "FW image has no data\n" );
return -EINVAL;
}
if (size & 511 ) {
dev_err(adap->pdev_dev,
"FW image size not multiple of 512 bytes\n" );
return -EINVAL;
}
if ((unsigned int )be16_to_cpu(hdr->len512) * 512 != size) {
dev_err(adap->pdev_dev,
"FW image size differs from size in FW header\n" );
return -EINVAL;
}
if (size > fw_size) {
dev_err(adap->pdev_dev, "FW image too large, max is %u bytes\n" ,
fw_size);
return -EFBIG;
}
if (!t4_fw_matches_chip(adap, hdr))
return -EINVAL;
for (csum = 0 , i = 0 ; i < size / sizeof (csum); i++)
csum += be32_to_cpu(p[i]);
if (csum != 0 xffffffff) {
dev_err(adap->pdev_dev,
"corrupted firmware image, checksum %#x\n" , csum);
return -EINVAL;
}
i = DIV_ROUND_UP(size, sf_sec_size); /* # of sectors spanned */
ret = t4_flash_erase_sectors(adap, fw_start_sec, fw_start_sec + i - 1 );
if (ret)
goto out;
/*
* We write the correct version at the end so the driver can see a bad
* version if the FW write fails . Start by writing a copy of the
* first page with a bad version .
*/
memcpy(first_page, fw_data, SF_PAGE_SIZE);
((struct fw_hdr *)first_page)->fw_ver = cpu_to_be32(0 xffffffff);
ret = t4_write_flash(adap, fw_start, SF_PAGE_SIZE, first_page, true );
if (ret)
goto out;
addr = fw_start;
for (size -= SF_PAGE_SIZE; size; size -= SF_PAGE_SIZE) {
addr += SF_PAGE_SIZE;
fw_data += SF_PAGE_SIZE;
ret = t4_write_flash(adap, addr, SF_PAGE_SIZE, fw_data, true );
if (ret)
goto out;
}
ret = t4_write_flash(adap, fw_start + offsetof(struct fw_hdr, fw_ver),
sizeof (hdr->fw_ver), (const u8 *)&hdr->fw_ver,
true );
out:
if (ret)
dev_err(adap->pdev_dev, "firmware download failed, error %d\n" ,
ret);
else
ret = t4_get_fw_version(adap, &adap->params.fw_vers);
return ret;
}
/**
* t4_phy_fw_ver - return current PHY firmware version
* @ adap : the adapter
* @ phy_fw_ver : return value buffer for PHY firmware version
*
* Returns the current version of external PHY firmware on the
* adapter .
*/
int t4_phy_fw_ver(struct adapter *adap, int *phy_fw_ver)
{
u32 param, val;
int ret;
param = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_DEV) |
FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_DEV_PHYFW) |
FW_PARAMS_PARAM_Y_V(adap->params.portvec) |
FW_PARAMS_PARAM_Z_V(FW_PARAMS_PARAM_DEV_PHYFW_VERSION));
ret = t4_query_params(adap, adap->mbox, adap->pf, 0 , 1 ,
¶m, &val);
if (ret)
return ret;
*phy_fw_ver = val;
return 0 ;
}
/**
* t4_load_phy_fw - download port PHY firmware
* @ adap : the adapter
* @ win : the PCI - E Memory Window index to use for t4_memory_rw ( )
* @ phy_fw_version : function to check PHY firmware versions
* @ phy_fw_data : the PHY firmware image to write
* @ phy_fw_size : image size
*
* Transfer the specified PHY firmware to the adapter . If a non - NULL
* @ phy_fw_version is supplied , then it will be used to determine if
* it ' s necessary to perform the transfer by comparing the version
* of any existing adapter PHY firmware with that of the passed in
* PHY firmware image .
*
* A negative error number will be returned if an error occurs . If
* version number support is available and there ' s no need to upgrade
* the firmware , 0 will be returned . If firmware is successfully
* transferred to the adapter , 1 will be returned .
*
* NOTE : some adapters only have local RAM to store the PHY firmware . As
* a result , a RESET of the adapter would cause that RAM to lose its
* contents . Thus , loading PHY firmware on such adapters must happen
* after any FW_RESET_CMDs . . .
*/
int t4_load_phy_fw(struct adapter *adap, int win,
int (*phy_fw_version)(const u8 *, size_t),
const u8 *phy_fw_data, size_t phy_fw_size)
{
int cur_phy_fw_ver = 0 , new_phy_fw_vers = 0 ;
unsigned long mtype = 0 , maddr = 0 ;
u32 param, val;
int ret;
/* If we have version number support, then check to see if the adapter
* already has up - to - date PHY firmware loaded .
*/
if (phy_fw_version) {
new_phy_fw_vers = phy_fw_version(phy_fw_data, phy_fw_size);
ret = t4_phy_fw_ver(adap, &cur_phy_fw_ver);
if (ret < 0 )
return ret;
if (cur_phy_fw_ver >= new_phy_fw_vers) {
CH_WARN(adap, "PHY Firmware already up-to-date, "
"version %#x\n" , cur_phy_fw_ver);
return 0 ;
}
}
/* Ask the firmware where it wants us to copy the PHY firmware image.
* The size of the file requires a special version of the READ command
* which will pass the file size via the values field in PARAMS_CMD and
* retrieve the return value from firmware and place it in the same
* buffer values
*/
param = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_DEV) |
FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_DEV_PHYFW) |
FW_PARAMS_PARAM_Y_V(adap->params.portvec) |
FW_PARAMS_PARAM_Z_V(FW_PARAMS_PARAM_DEV_PHYFW_DOWNLOAD));
val = phy_fw_size;
ret = t4_query_params_rw(adap, adap->mbox, adap->pf, 0 , 1 ,
¶m, &val, 1 , true );
if (ret < 0 )
return ret;
mtype = val >> 8 ;
maddr = (val & 0 xff) << 16 ;
/* Copy the supplied PHY Firmware image to the adapter memory location
* allocated by the adapter firmware .
*/
spin_lock_bh(&adap->win0_lock);
ret = t4_memory_rw(adap, win, mtype, maddr,
phy_fw_size, (__be32 *)phy_fw_data,
T4_MEMORY_WRITE);
spin_unlock_bh(&adap->win0_lock);
if (ret)
return ret;
/* Tell the firmware that the PHY firmware image has been written to
* RAM and it can now start copying it over to the PHYs . The chip
* firmware will RESET the affected PHYs as part of this operation
* leaving them running the new PHY firmware image .
*/
param = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_DEV) |
FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_DEV_PHYFW) |
FW_PARAMS_PARAM_Y_V(adap->params.portvec) |
FW_PARAMS_PARAM_Z_V(FW_PARAMS_PARAM_DEV_PHYFW_DOWNLOAD));
ret = t4_set_params_timeout(adap, adap->mbox, adap->pf, 0 , 1 ,
¶m, &val, 30000 );
if (ret)
return ret;
/* If we have version number support, then check to see that the new
* firmware got loaded properly .
*/
if (phy_fw_version) {
ret = t4_phy_fw_ver(adap, &cur_phy_fw_ver);
if (ret < 0 )
return ret;
if (cur_phy_fw_ver != new_phy_fw_vers) {
CH_WARN(adap, "PHY Firmware did not update: "
"version on adapter %#x, "
"version flashed %#x\n" ,
cur_phy_fw_ver, new_phy_fw_vers);
return -ENXIO;
}
}
return 1 ;
}
/**
* t4_fwcache - firmware cache operation
* @ adap : the adapter
* @ op : the operation ( flush or flush and invalidate )
*/
int t4_fwcache(struct adapter *adap, enum fw_params_param_dev_fwcache op)
{
struct fw_params_cmd c;
memset(&c, 0 , sizeof (c));
c.op_to_vfn =
cpu_to_be32(FW_CMD_OP_V(FW_PARAMS_CMD) |
FW_CMD_REQUEST_F | FW_CMD_WRITE_F |
FW_PARAMS_CMD_PFN_V(adap->pf) |
FW_PARAMS_CMD_VFN_V(0 ));
c.retval_len16 = cpu_to_be32(FW_LEN16(c));
c.param[0 ].mnem =
cpu_to_be32(FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_DEV) |
FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_DEV_FWCACHE));
c.param[0 ].val = cpu_to_be32(op);
return t4_wr_mbox(adap, adap->mbox, &c, sizeof (c), NULL);
}
void t4_cim_read_pif_la(struct adapter *adap, u32 *pif_req, u32 *pif_rsp,
unsigned int *pif_req_wrptr,
unsigned int *pif_rsp_wrptr)
{
int i, j;
u32 cfg, val, req, rsp;
cfg = t4_read_reg(adap, CIM_DEBUGCFG_A);
if (cfg & LADBGEN_F)
t4_write_reg(adap, CIM_DEBUGCFG_A, cfg ^ LADBGEN_F);
val = t4_read_reg(adap, CIM_DEBUGSTS_A);
req = POLADBGWRPTR_G(val);
rsp = PILADBGWRPTR_G(val);
if (pif_req_wrptr)
*pif_req_wrptr = req;
if (pif_rsp_wrptr)
*pif_rsp_wrptr = rsp;
for (i = 0 ; i < CIM_PIFLA_SIZE; i++) {
for (j = 0 ; j < 6 ; j++) {
t4_write_reg(adap, CIM_DEBUGCFG_A, POLADBGRDPTR_V(req) |
PILADBGRDPTR_V(rsp));
*pif_req++ = t4_read_reg(adap, CIM_PO_LA_DEBUGDATA_A);
*pif_rsp++ = t4_read_reg(adap, CIM_PI_LA_DEBUGDATA_A);
req++;
rsp++;
}
req = (req + 2 ) & POLADBGRDPTR_M;
rsp = (rsp + 2 ) & PILADBGRDPTR_M;
}
t4_write_reg(adap, CIM_DEBUGCFG_A, cfg);
}
void t4_cim_read_ma_la(struct adapter *adap, u32 *ma_req, u32 *ma_rsp)
{
u32 cfg;
int i, j, idx;
cfg = t4_read_reg(adap, CIM_DEBUGCFG_A);
if (cfg & LADBGEN_F)
t4_write_reg(adap, CIM_DEBUGCFG_A, cfg ^ LADBGEN_F);
for (i = 0 ; i < CIM_MALA_SIZE; i++) {
for (j = 0 ; j < 5 ; j++) {
idx = 8 * i + j;
t4_write_reg(adap, CIM_DEBUGCFG_A, POLADBGRDPTR_V(idx) |
PILADBGRDPTR_V(idx));
*ma_req++ = t4_read_reg(adap, CIM_PO_LA_MADEBUGDATA_A);
*ma_rsp++ = t4_read_reg(adap, CIM_PI_LA_MADEBUGDATA_A);
}
}
t4_write_reg(adap, CIM_DEBUGCFG_A, cfg);
}
void t4_ulprx_read_la(struct adapter *adap, u32 *la_buf)
{
unsigned int i, j;
for (i = 0 ; i < 8 ; i++) {
u32 *p = la_buf + i;
t4_write_reg(adap, ULP_RX_LA_CTL_A, i);
j = t4_read_reg(adap, ULP_RX_LA_WRPTR_A);
t4_write_reg(adap, ULP_RX_LA_RDPTR_A, j);
for (j = 0 ; j < ULPRX_LA_SIZE; j++, p += 8 )
*p = t4_read_reg(adap, ULP_RX_LA_RDDATA_A);
}
}
/* The ADVERT_MASK is used to mask out all of the Advertised Firmware Port
* Capabilities which we control with separate controls - - see , for instance ,
* Pause Frames and Forward Error Correction . In order to determine what the
* full set of Advertised Port Capabilities are , the base Advertised Port
* Capabilities ( masked by ADVERT_MASK ) must be combined with the Advertised
* Port Capabilities associated with those other controls . See
* t4_link_acaps ( ) for how this is done .
*/
#define ADVERT_MASK (FW_PORT_CAP32_SPEED_V(FW_PORT_CAP32_SPEED_M) | \
FW_PORT_CAP32_ANEG)
/**
* fwcaps16_to_caps32 - convert 16 - bit Port Capabilities to 32 - bits
* @ caps16 : a 16 - bit Port Capabilities value
*
* Returns the equivalent 32 - bit Port Capabilities value .
*/
static fw_port_cap32_t fwcaps16_to_caps32(fw_port_cap16_t caps16)
{
fw_port_cap32_t caps32 = 0 ;
#define CAP16_TO_CAP32(__cap) \
do { \
if (caps16 & FW_PORT_CAP_## __cap) \
caps32 |= FW_PORT_CAP32_## __cap; \
} while (0 )
CAP16_TO_CAP32(SPEED_100M);
CAP16_TO_CAP32(SPEED_1G);
CAP16_TO_CAP32(SPEED_25G);
CAP16_TO_CAP32(SPEED_10G);
CAP16_TO_CAP32(SPEED_40G);
CAP16_TO_CAP32(SPEED_100G);
CAP16_TO_CAP32(FC_RX);
CAP16_TO_CAP32(FC_TX);
CAP16_TO_CAP32(ANEG);
CAP16_TO_CAP32(FORCE_PAUSE);
CAP16_TO_CAP32(MDIAUTO);
CAP16_TO_CAP32(MDISTRAIGHT);
CAP16_TO_CAP32(FEC_RS);
CAP16_TO_CAP32(FEC_BASER_RS);
CAP16_TO_CAP32(802 _3 _PAUSE);
CAP16_TO_CAP32(802 _3 _ASM_DIR);
#undef CAP16_TO_CAP32
return caps32;
}
/**
* fwcaps32_to_caps16 - convert 32 - bit Port Capabilities to 16 - bits
* @ caps32 : a 32 - bit Port Capabilities value
*
* Returns the equivalent 16 - bit Port Capabilities value . Note that
* not all 32 - bit Port Capabilities can be represented in the 16 - bit
* Port Capabilities and some fields / values may not make it .
*/
static fw_port_cap16_t fwcaps32_to_caps16(fw_port_cap32_t caps32)
{
fw_port_cap16_t caps16 = 0 ;
#define CAP32_TO_CAP16(__cap) \
do { \
if (caps32 & FW_PORT_CAP32_## __cap) \
caps16 |= FW_PORT_CAP_## __cap; \
} while (0 )
CAP32_TO_CAP16(SPEED_100M);
CAP32_TO_CAP16(SPEED_1G);
CAP32_TO_CAP16(SPEED_10G);
CAP32_TO_CAP16(SPEED_25G);
CAP32_TO_CAP16(SPEED_40G);
CAP32_TO_CAP16(SPEED_100G);
CAP32_TO_CAP16(FC_RX);
CAP32_TO_CAP16(FC_TX);
CAP32_TO_CAP16(802 _3 _PAUSE);
CAP32_TO_CAP16(802 _3 _ASM_DIR);
CAP32_TO_CAP16(ANEG);
CAP32_TO_CAP16(FORCE_PAUSE);
CAP32_TO_CAP16(MDIAUTO);
CAP32_TO_CAP16(MDISTRAIGHT);
CAP32_TO_CAP16(FEC_RS);
CAP32_TO_CAP16(FEC_BASER_RS);
#undef CAP32_TO_CAP16
return caps16;
}
/* Translate Firmware Port Capabilities Pause specification to Common Code */
static inline enum cc_pause fwcap_to_cc_pause(fw_port_cap32_t fw_pause)
{
enum cc_pause cc_pause = 0 ;
if (fw_pause & FW_PORT_CAP32_FC_RX)
cc_pause |= PAUSE_RX;
if (fw_pause & FW_PORT_CAP32_FC_TX)
cc_pause |= PAUSE_TX;
return cc_pause;
}
/* Translate Common Code Pause specification into Firmware Port Capabilities */
static inline fw_port_cap32_t cc_to_fwcap_pause(enum cc_pause cc_pause)
{
/* Translate orthogonal RX/TX Pause Controls for L1 Configure
* commands , etc .
*/
fw_port_cap32_t fw_pause = 0 ;
if (cc_pause & PAUSE_RX)
fw_pause |= FW_PORT_CAP32_FC_RX;
if (cc_pause & PAUSE_TX)
fw_pause |= FW_PORT_CAP32_FC_TX;
if (!(cc_pause & PAUSE_AUTONEG))
fw_pause |= FW_PORT_CAP32_FORCE_PAUSE;
/* Translate orthogonal Pause controls into IEEE 802.3 Pause,
* Asymmetrical Pause for use in reporting to upper layer OS code , etc .
* Note that these bits are ignored in L1 Configure commands .
*/
if (cc_pause & PAUSE_RX) {
if (cc_pause & PAUSE_TX)
fw_pause |= FW_PORT_CAP32_802_3_PAUSE;
else
fw_pause |= FW_PORT_CAP32_802_3_ASM_DIR |
FW_PORT_CAP32_802_3_PAUSE;
} else if (cc_pause & PAUSE_TX) {
fw_pause |= FW_PORT_CAP32_802_3_ASM_DIR;
}
return fw_pause;
}
/* Translate Firmware Forward Error Correction specification to Common Code */
static inline enum cc_fec fwcap_to_cc_fec(fw_port_cap32_t fw_fec)
{
enum cc_fec cc_fec = 0 ;
if (fw_fec & FW_PORT_CAP32_FEC_RS)
cc_fec |= FEC_RS;
if (fw_fec & FW_PORT_CAP32_FEC_BASER_RS)
cc_fec |= FEC_BASER_RS;
return cc_fec;
}
/* Translate Common Code Forward Error Correction specification to Firmware */
static inline fw_port_cap32_t cc_to_fwcap_fec(enum cc_fec cc_fec)
{
fw_port_cap32_t fw_fec = 0 ;
if (cc_fec & FEC_RS)
fw_fec |= FW_PORT_CAP32_FEC_RS;
if (cc_fec & FEC_BASER_RS)
fw_fec |= FW_PORT_CAP32_FEC_BASER_RS;
return fw_fec;
}
/**
* t4_link_acaps - compute Link Advertised Port Capabilities
* @ adapter : the adapter
* @ port : the Port ID
* @ lc : the Port ' s Link Configuration
*
* Synthesize the Advertised Port Capabilities we ' ll be using based on
* the base Advertised Port Capabilities ( which have been filtered by
* ADVERT_MASK ) plus the individual controls for things like Pause
* Frames , Forward Error Correction , MDI , etc .
*/
fw_port_cap32_t t4_link_acaps(struct adapter *adapter, unsigned int port,
struct link_config *lc)
{
fw_port_cap32_t fw_fc, fw_fec, acaps;
unsigned int fw_mdi;
char cc_fec;
fw_mdi = (FW_PORT_CAP32_MDI_V(FW_PORT_CAP32_MDI_AUTO) & lc->pcaps);
/* Convert driver coding of Pause Frame Flow Control settings into the
* Firmware ' s API .
*/
fw_fc = cc_to_fwcap_pause(lc->requested_fc);
/* Convert Common Code Forward Error Control settings into the
* Firmware ' s API . If the current Requested FEC has " Automatic "
* ( IEEE 802 . 3 ) specified , then we use whatever the Firmware
* sent us as part of its IEEE 802 . 3 - based interpretation of
* the Transceiver Module EPROM FEC parameters . Otherwise we
* use whatever is in the current Requested FEC settings .
*/
if (lc->requested_fec & FEC_AUTO)
cc_fec = fwcap_to_cc_fec(lc->def_acaps);
else
cc_fec = lc->requested_fec;
fw_fec = cc_to_fwcap_fec(cc_fec);
/* Figure out what our Requested Port Capabilities are going to be.
* Note parallel structure in t4_handle_get_port_info ( ) and
* init_link_config ( ) .
*/
if (!(lc->pcaps & FW_PORT_CAP32_ANEG)) {
acaps = lc->acaps | fw_fc | fw_fec;
lc->fc = lc->requested_fc & ~PAUSE_AUTONEG;
lc->fec = cc_fec;
} else if (lc->autoneg == AUTONEG_DISABLE) {
acaps = lc->speed_caps | fw_fc | fw_fec | fw_mdi;
lc->fc = lc->requested_fc & ~PAUSE_AUTONEG;
lc->fec = cc_fec;
} else {
acaps = lc->acaps | fw_fc | fw_fec | fw_mdi;
}
/* Some Requested Port Capabilities are trivially wrong if they exceed
* the Physical Port Capabilities . We can check that here and provide
* moderately useful feedback in the system log .
*
* Note that older Firmware doesn ' t have FW_PORT_CAP32_FORCE_PAUSE , so
* we need to exclude this from this check in order to maintain
* compatibility . . .
*/
if ((acaps & ~lc->pcaps) & ~FW_PORT_CAP32_FORCE_PAUSE) {
dev_err(adapter->pdev_dev, "Requested Port Capabilities %#x exceed Physical Port Capabilities %#x\n" ,
acaps, lc->pcaps);
return -EINVAL;
}
return acaps;
}
/**
* t4_link_l1cfg_core - apply link configuration to MAC / PHY
* @ adapter : the adapter
* @ mbox : the Firmware Mailbox to use
* @ port : the Port ID
* @ lc : the Port ' s Link Configuration
* @ sleep_ok : if true we may sleep while awaiting command completion
* @ timeout : time to wait for command to finish before timing out
* ( negative implies @ sleep_ok = false )
*
* Set up a port ' s MAC and PHY according to a desired link configuration .
* - If the PHY can auto - negotiate first decide what to advertise , then
* enable / disable auto - negotiation as desired , and reset .
* - If the PHY does not auto - negotiate just reset it .
* - If auto - negotiation is off set the MAC to the proper speed / duplex / FC ,
* otherwise do it later based on the outcome of auto - negotiation .
*/
int t4_link_l1cfg_core(struct adapter *adapter, unsigned int mbox,
unsigned int port, struct link_config *lc,
u8 sleep_ok, int timeout)
{
unsigned int fw_caps = adapter->params.fw_caps_support;
struct fw_port_cmd cmd;
fw_port_cap32_t rcap;
int ret;
if (!(lc->pcaps & FW_PORT_CAP32_ANEG) &&
lc->autoneg == AUTONEG_ENABLE) {
return -EINVAL;
}
/* Compute our Requested Port Capabilities and send that on to the
* Firmware .
*/
rcap = t4_link_acaps(adapter, port, lc);
memset(&cmd, 0 , sizeof (cmd));
cmd.op_to_portid = cpu_to_be32(FW_CMD_OP_V(FW_PORT_CMD) |
FW_CMD_REQUEST_F | FW_CMD_EXEC_F |
FW_PORT_CMD_PORTID_V(port));
cmd.action_to_len16 =
cpu_to_be32(FW_PORT_CMD_ACTION_V(fw_caps == FW_CAPS16
? FW_PORT_ACTION_L1_CFG
: FW_PORT_ACTION_L1_CFG32) |
FW_LEN16(cmd));
if (fw_caps == FW_CAPS16)
cmd.u.l1cfg.rcap = cpu_to_be32(fwcaps32_to_caps16(rcap));
else
cmd.u.l1cfg32.rcap32 = cpu_to_be32(rcap);
ret = t4_wr_mbox_meat_timeout(adapter, mbox, &cmd, sizeof (cmd), NULL,
sleep_ok, timeout);
/* Unfortunately, even if the Requested Port Capabilities "fit" within
* the Physical Port Capabilities , some combinations of features may
* still not be legal . For example , 40 Gb / s and Reed - Solomon Forward
* Error Correction . So if the Firmware rejects the L1 Configure
* request , flag that here .
*/
if (ret) {
dev_err(adapter->pdev_dev,
"Requested Port Capabilities %#x rejected, error %d\n" ,
rcap, -ret);
return ret;
}
return 0 ;
}
/**
* t4_restart_aneg - restart autonegotiation
* @ adap : the adapter
* @ mbox : mbox to use for the FW command
* @ port : the port id
*
* Restarts autonegotiation for the selected port .
*/
int t4_restart_aneg(struct adapter *adap, unsigned int mbox, unsigned int port)
{
unsigned int fw_caps = adap->params.fw_caps_support;
struct fw_port_cmd c;
memset(&c, 0 , sizeof (c));
c.op_to_portid = cpu_to_be32(FW_CMD_OP_V(FW_PORT_CMD) |
FW_CMD_REQUEST_F | FW_CMD_EXEC_F |
FW_PORT_CMD_PORTID_V(port));
c.action_to_len16 =
cpu_to_be32(FW_PORT_CMD_ACTION_V(fw_caps == FW_CAPS16
? FW_PORT_ACTION_L1_CFG
: FW_PORT_ACTION_L1_CFG32) |
FW_LEN16(c));
if (fw_caps == FW_CAPS16)
c.u.l1cfg.rcap = cpu_to_be32(FW_PORT_CAP_ANEG);
else
c.u.l1cfg32.rcap32 = cpu_to_be32(FW_PORT_CAP32_ANEG);
return t4_wr_mbox(adap, mbox, &c, sizeof (c), NULL);
}
typedef void (*int_handler_t)(struct adapter *adap);
struct intr_info {
unsigned int mask; /* bits to check in interrupt status */
const char *msg; /* message to print or NULL */
short stat_idx; /* stat counter to increment or -1 */
unsigned short fatal; /* whether the condition reported is fatal */
int_handler_t int_handler; /* platform-specific int handler */
};
/**
* t4_handle_intr_status - table driven interrupt handler
* @ adapter : the adapter that generated the interrupt
* @ reg : the interrupt status register to process
* @ acts : table of interrupt actions
*
* A table driven interrupt handler that applies a set of masks to an
* interrupt status word and performs the corresponding actions if the
* interrupts described by the mask have occurred . The actions include
* optionally emitting a warning or alert message . The table is terminated
* by an entry specifying mask 0 . Returns the number of fatal interrupt
* conditions .
*/
static int t4_handle_intr_status(struct adapter *adapter, unsigned int reg,
const struct intr_info *acts)
{
int fatal = 0 ;
unsigned int mask = 0 ;
unsigned int status = t4_read_reg(adapter, reg);
for ( ; acts->mask; ++acts) {
if (!(status & acts->mask))
continue ;
if (acts->fatal) {
fatal++;
dev_alert(adapter->pdev_dev, "%s (0x%x)\n" , acts->msg,
status & acts->mask);
} else if (acts->msg && printk_ratelimit())
dev_warn(adapter->pdev_dev, "%s (0x%x)\n" , acts->msg,
status & acts->mask);
if (acts->int_handler)
acts->int_handler(adapter);
mask |= acts->mask;
}
status &= mask;
if (status) /* clear processed interrupts */
t4_write_reg(adapter, reg, status);
return fatal;
}
/*
* Interrupt handler for the PCIE module .
*/
static void pcie_intr_handler(struct adapter *adapter)
{
static const struct intr_info sysbus_intr_info[] = {
{ RNPP_F, "RXNP array parity error" , -1 , 1 },
{ RPCP_F, "RXPC array parity error" , -1 , 1 },
{ RCIP_F, "RXCIF array parity error" , -1 , 1 },
{ RCCP_F, "Rx completions control array parity error" , -1 , 1 },
{ RFTP_F, "RXFT array parity error" , -1 , 1 },
{ 0 }
};
static const struct intr_info pcie_port_intr_info[] = {
{ TPCP_F, "TXPC array parity error" , -1 , 1 },
{ TNPP_F, "TXNP array parity error" , -1 , 1 },
{ TFTP_F, "TXFT array parity error" , -1 , 1 },
{ TCAP_F, "TXCA array parity error" , -1 , 1 },
{ TCIP_F, "TXCIF array parity error" , -1 , 1 },
{ RCAP_F, "RXCA array parity error" , -1 , 1 },
{ OTDD_F, "outbound request TLP discarded" , -1 , 1 },
{ RDPE_F, "Rx data parity error" , -1 , 1 },
{ TDUE_F, "Tx uncorrectable data error" , -1 , 1 },
{ 0 }
};
static const struct intr_info pcie_intr_info[] = {
{ MSIADDRLPERR_F, "MSI AddrL parity error" , -1 , 1 },
{ MSIADDRHPERR_F, "MSI AddrH parity error" , -1 , 1 },
{ MSIDATAPERR_F, "MSI data parity error" , -1 , 1 },
{ MSIXADDRLPERR_F, "MSI-X AddrL parity error" , -1 , 1 },
{ MSIXADDRHPERR_F, "MSI-X AddrH parity error" , -1 , 1 },
{ MSIXDATAPERR_F, "MSI-X data parity error" , -1 , 1 },
{ MSIXDIPERR_F, "MSI-X DI parity error" , -1 , 1 },
{ PIOCPLPERR_F, "PCI PIO completion FIFO parity error" , -1 , 1 },
{ PIOREQPERR_F, "PCI PIO request FIFO parity error" , -1 , 1 },
{ TARTAGPERR_F, "PCI PCI target tag FIFO parity error" , -1 , 1 },
{ CCNTPERR_F, "PCI CMD channel count parity error" , -1 , 1 },
{ CREQPERR_F, "PCI CMD channel request parity error" , -1 , 1 },
{ CRSPPERR_F, "PCI CMD channel response parity error" , -1 , 1 },
{ DCNTPERR_F, "PCI DMA channel count parity error" , -1 , 1 },
{ DREQPERR_F, "PCI DMA channel request parity error" , -1 , 1 },
{ DRSPPERR_F, "PCI DMA channel response parity error" , -1 , 1 },
{ HCNTPERR_F, "PCI HMA channel count parity error" , -1 , 1 },
{ HREQPERR_F, "PCI HMA channel request parity error" , -1 , 1 },
{ HRSPPERR_F, "PCI HMA channel response parity error" , -1 , 1 },
{ CFGSNPPERR_F, "PCI config snoop FIFO parity error" , -1 , 1 },
{ FIDPERR_F, "PCI FID parity error" , -1 , 1 },
{ INTXCLRPERR_F, "PCI INTx clear parity error" , -1 , 1 },
{ MATAGPERR_F, "PCI MA tag parity error" , -1 , 1 },
{ PIOTAGPERR_F, "PCI PIO tag parity error" , -1 , 1 },
{ RXCPLPERR_F, "PCI Rx completion parity error" , -1 , 1 },
{ RXWRPERR_F, "PCI Rx write parity error" , -1 , 1 },
{ RPLPERR_F, "PCI replay buffer parity error" , -1 , 1 },
{ PCIESINT_F, "PCI core secondary fault" , -1 , 1 },
{ PCIEPINT_F, "PCI core primary fault" , -1 , 1 },
{ UNXSPLCPLERR_F, "PCI unexpected split completion error" ,
-1 , 0 },
{ 0 }
};
static struct intr_info t5_pcie_intr_info[] = {
{ MSTGRPPERR_F, "Master Response Read Queue parity error" ,
-1 , 1 },
{ MSTTIMEOUTPERR_F, "Master Timeout FIFO parity error" , -1 , 1 },
{ MSIXSTIPERR_F, "MSI-X STI SRAM parity error" , -1 , 1 },
{ MSIXADDRLPERR_F, "MSI-X AddrL parity error" , -1 , 1 },
{ MSIXADDRHPERR_F, "MSI-X AddrH parity error" , -1 , 1 },
{ MSIXDATAPERR_F, "MSI-X data parity error" , -1 , 1 },
{ MSIXDIPERR_F, "MSI-X DI parity error" , -1 , 1 },
{ PIOCPLGRPPERR_F, "PCI PIO completion Group FIFO parity error" ,
-1 , 1 },
{ PIOREQGRPPERR_F, "PCI PIO request Group FIFO parity error" ,
-1 , 1 },
{ TARTAGPERR_F, "PCI PCI target tag FIFO parity error" , -1 , 1 },
{ MSTTAGQPERR_F, "PCI master tag queue parity error" , -1 , 1 },
{ CREQPERR_F, "PCI CMD channel request parity error" , -1 , 1 },
{ CRSPPERR_F, "PCI CMD channel response parity error" , -1 , 1 },
{ DREQWRPERR_F, "PCI DMA channel write request parity error" ,
-1 , 1 },
{ DREQPERR_F, "PCI DMA channel request parity error" , -1 , 1 },
{ DRSPPERR_F, "PCI DMA channel response parity error" , -1 , 1 },
{ HREQWRPERR_F, "PCI HMA channel count parity error" , -1 , 1 },
{ HREQPERR_F, "PCI HMA channel request parity error" , -1 , 1 },
{ HRSPPERR_F, "PCI HMA channel response parity error" , -1 , 1 },
{ CFGSNPPERR_F, "PCI config snoop FIFO parity error" , -1 , 1 },
{ FIDPERR_F, "PCI FID parity error" , -1 , 1 },
{ VFIDPERR_F, "PCI INTx clear parity error" , -1 , 1 },
{ MAGRPPERR_F, "PCI MA group FIFO parity error" , -1 , 1 },
{ PIOTAGPERR_F, "PCI PIO tag parity error" , -1 , 1 },
{ IPRXHDRGRPPERR_F, "PCI IP Rx header group parity error" ,
-1 , 1 },
{ IPRXDATAGRPPERR_F, "PCI IP Rx data group parity error" ,
-1 , 1 },
{ RPLPERR_F, "PCI IP replay buffer parity error" , -1 , 1 },
{ IPSOTPERR_F, "PCI IP SOT buffer parity error" , -1 , 1 },
{ TRGT1GRPPERR_F, "PCI TRGT1 group FIFOs parity error" , -1 , 1 },
{ READRSPERR_F, "Outbound read error" , -1 , 0 },
{ 0 }
};
int fat;
if (is_t4(adapter->params.chip))
fat = t4_handle_intr_status(adapter,
PCIE_CORE_UTL_SYSTEM_BUS_AGENT_STATUS_A,
sysbus_intr_info) +
t4_handle_intr_status(adapter,
PCIE_CORE_UTL_PCI_EXPRESS_PORT_STATUS_A,
pcie_port_intr_info) +
t4_handle_intr_status(adapter, PCIE_INT_CAUSE_A,
pcie_intr_info);
else
fat = t4_handle_intr_status(adapter, PCIE_INT_CAUSE_A,
t5_pcie_intr_info);
if (fat)
t4_fatal_err(adapter);
}
/*
* TP interrupt handler .
*/
static void tp_intr_handler(struct adapter *adapter)
{
static const struct intr_info tp_intr_info[] = {
{ 0 x3fffffff, "TP parity error" , -1 , 1 },
{ FLMTXFLSTEMPTY_F, "TP out of Tx pages" , -1 , 1 },
{ 0 }
};
if (t4_handle_intr_status(adapter, TP_INT_CAUSE_A, tp_intr_info))
t4_fatal_err(adapter);
}
/*
* SGE interrupt handler .
*/
static void sge_intr_handler(struct adapter *adapter)
{
u32 v = 0 , perr;
u32 err;
static const struct intr_info sge_intr_info[] = {
{ ERR_CPL_EXCEED_IQE_SIZE_F,
"SGE received CPL exceeding IQE size" , -1 , 1 },
{ ERR_INVALID_CIDX_INC_F,
"SGE GTS CIDX increment too large" , -1 , 0 },
{ ERR_CPL_OPCODE_0_F, "SGE received 0-length CPL" , -1 , 0 },
{ DBFIFO_LP_INT_F, NULL, -1 , 0 , t4_db_full },
{ ERR_DATA_CPL_ON_HIGH_QID1_F | ERR_DATA_CPL_ON_HIGH_QID0_F,
"SGE IQID > 1023 received CPL for FL" , -1 , 0 },
{ ERR_BAD_DB_PIDX3_F, "SGE DBP 3 pidx increment too large" , -1 ,
0 },
{ ERR_BAD_DB_PIDX2_F, "SGE DBP 2 pidx increment too large" , -1 ,
0 },
{ ERR_BAD_DB_PIDX1_F, "SGE DBP 1 pidx increment too large" , -1 ,
0 },
{ ERR_BAD_DB_PIDX0_F, "SGE DBP 0 pidx increment too large" , -1 ,
0 },
{ ERR_ING_CTXT_PRIO_F,
"SGE too many priority ingress contexts" , -1 , 0 },
{ INGRESS_SIZE_ERR_F, "SGE illegal ingress QID" , -1 , 0 },
{ EGRESS_SIZE_ERR_F, "SGE illegal egress QID" , -1 , 0 },
{ 0 }
};
static struct intr_info t4t5_sge_intr_info[] = {
{ ERR_DROPPED_DB_F, NULL, -1 , 0 , t4_db_dropped },
{ DBFIFO_HP_INT_F, NULL, -1 , 0 , t4_db_full },
{ ERR_EGR_CTXT_PRIO_F,
"SGE too many priority egress contexts" , -1 , 0 },
{ 0 }
};
perr = t4_read_reg(adapter, SGE_INT_CAUSE1_A);
if (perr) {
v |= perr;
dev_alert(adapter->pdev_dev, "SGE Cause1 Parity Error %#x\n" ,
perr);
}
perr = t4_read_reg(adapter, SGE_INT_CAUSE2_A);
if (perr) {
v |= perr;
dev_alert(adapter->pdev_dev, "SGE Cause2 Parity Error %#x\n" ,
perr);
}
if (CHELSIO_CHIP_VERSION(adapter->params.chip) >= CHELSIO_T5) {
perr = t4_read_reg(adapter, SGE_INT_CAUSE5_A);
/* Parity error (CRC) for err_T_RxCRC is trivial, ignore it */
perr &= ~ERR_T_RXCRC_F;
if (perr) {
v |= perr;
dev_alert(adapter->pdev_dev,
"SGE Cause5 Parity Error %#x\n" , perr);
}
}
v |= t4_handle_intr_status(adapter, SGE_INT_CAUSE3_A, sge_intr_info);
if (CHELSIO_CHIP_VERSION(adapter->params.chip) <= CHELSIO_T5)
v |= t4_handle_intr_status(adapter, SGE_INT_CAUSE3_A,
t4t5_sge_intr_info);
err = t4_read_reg(adapter, SGE_ERROR_STATS_A);
if (err & ERROR_QID_VALID_F) {
dev_err(adapter->pdev_dev, "SGE error for queue %u\n" ,
ERROR_QID_G(err));
if (err & UNCAPTURED_ERROR_F)
dev_err(adapter->pdev_dev,
"SGE UNCAPTURED_ERROR set (clearing)\n" );
t4_write_reg(adapter, SGE_ERROR_STATS_A, ERROR_QID_VALID_F |
UNCAPTURED_ERROR_F);
}
if (v != 0 )
t4_fatal_err(adapter);
}
#define CIM_OBQ_INTR (OBQULP0PARERR_F | OBQULP1PARERR_F | OBQULP2PARERR_F |\
OBQULP3PARERR_F | OBQSGEPARERR_F | OBQNCSIPARERR_F)
#define CIM_IBQ_INTR (IBQTP0PARERR_F | IBQTP1PARERR_F | IBQULPPARERR_F |\
IBQSGEHIPARERR_F | IBQSGELOPARERR_F | IBQNCSIPARERR_F)
/*
* CIM interrupt handler .
*/
static void cim_intr_handler(struct adapter *adapter)
{
static const struct intr_info cim_intr_info[] = {
{ PREFDROPINT_F, "CIM control register prefetch drop" , -1 , 1 },
{ CIM_OBQ_INTR, "CIM OBQ parity error" , -1 , 1 },
{ CIM_IBQ_INTR, "CIM IBQ parity error" , -1 , 1 },
{ MBUPPARERR_F, "CIM mailbox uP parity error" , -1 , 1 },
{ MBHOSTPARERR_F, "CIM mailbox host parity error" , -1 , 1 },
{ TIEQINPARERRINT_F, "CIM TIEQ outgoing parity error" , -1 , 1 },
{ TIEQOUTPARERRINT_F, "CIM TIEQ incoming parity error" , -1 , 1 },
{ TIMER0INT_F, "CIM TIMER0 interrupt" , -1 , 1 },
{ 0 }
};
static const struct intr_info cim_upintr_info[] = {
{ RSVDSPACEINT_F, "CIM reserved space access" , -1 , 1 },
{ ILLTRANSINT_F, "CIM illegal transaction" , -1 , 1 },
{ ILLWRINT_F, "CIM illegal write" , -1 , 1 },
{ ILLRDINT_F, "CIM illegal read" , -1 , 1 },
{ ILLRDBEINT_F, "CIM illegal read BE" , -1 , 1 },
{ ILLWRBEINT_F, "CIM illegal write BE" , -1 , 1 },
{ SGLRDBOOTINT_F, "CIM single read from boot space" , -1 , 1 },
{ SGLWRBOOTINT_F, "CIM single write to boot space" , -1 , 1 },
{ BLKWRBOOTINT_F, "CIM block write to boot space" , -1 , 1 },
{ SGLRDFLASHINT_F, "CIM single read from flash space" , -1 , 1 },
{ SGLWRFLASHINT_F, "CIM single write to flash space" , -1 , 1 },
{ BLKWRFLASHINT_F, "CIM block write to flash space" , -1 , 1 },
{ SGLRDEEPROMINT_F, "CIM single EEPROM read" , -1 , 1 },
{ SGLWREEPROMINT_F, "CIM single EEPROM write" , -1 , 1 },
{ BLKRDEEPROMINT_F, "CIM block EEPROM read" , -1 , 1 },
{ BLKWREEPROMINT_F, "CIM block EEPROM write" , -1 , 1 },
{ SGLRDCTLINT_F, "CIM single read from CTL space" , -1 , 1 },
{ SGLWRCTLINT_F, "CIM single write to CTL space" , -1 , 1 },
{ BLKRDCTLINT_F, "CIM block read from CTL space" , -1 , 1 },
{ BLKWRCTLINT_F, "CIM block write to CTL space" , -1 , 1 },
{ SGLRDPLINT_F, "CIM single read from PL space" , -1 , 1 },
{ SGLWRPLINT_F, "CIM single write to PL space" , -1 , 1 },
{ BLKRDPLINT_F, "CIM block read from PL space" , -1 , 1 },
{ BLKWRPLINT_F, "CIM block write to PL space" , -1 , 1 },
{ REQOVRLOOKUPINT_F, "CIM request FIFO overwrite" , -1 , 1 },
{ RSPOVRLOOKUPINT_F, "CIM response FIFO overwrite" , -1 , 1 },
{ TIMEOUTINT_F, "CIM PIF timeout" , -1 , 1 },
{ TIMEOUTMAINT_F, "CIM PIF MA timeout" , -1 , 1 },
{ 0 }
};
u32 val, fw_err;
int fat;
fw_err = t4_read_reg(adapter, PCIE_FW_A);
if (fw_err & PCIE_FW_ERR_F)
t4_report_fw_error(adapter);
/* When the Firmware detects an internal error which normally
* wouldn ' t raise a Host Interrupt , it forces a CIM Timer0 interrupt
* in order to make sure the Host sees the Firmware Crash . So
* if we have a Timer0 interrupt and don ' t see a Firmware Crash ,
* ignore the Timer0 interrupt .
*/
val = t4_read_reg(adapter, CIM_HOST_INT_CAUSE_A);
if (val & TIMER0INT_F)
if (!(fw_err & PCIE_FW_ERR_F) ||
(PCIE_FW_EVAL_G(fw_err) != PCIE_FW_EVAL_CRASH))
t4_write_reg(adapter, CIM_HOST_INT_CAUSE_A,
TIMER0INT_F);
fat = t4_handle_intr_status(adapter, CIM_HOST_INT_CAUSE_A,
cim_intr_info) +
t4_handle_intr_status(adapter, CIM_HOST_UPACC_INT_CAUSE_A,
cim_upintr_info);
if (fat)
t4_fatal_err(adapter);
}
/*
* ULP RX interrupt handler .
*/
static void ulprx_intr_handler(struct adapter *adapter)
{
static const struct intr_info ulprx_intr_info[] = {
{ 0 x1800000, "ULPRX context error" , -1 , 1 },
{ 0 x7fffff, "ULPRX parity error" , -1 , 1 },
{ 0 }
};
if (t4_handle_intr_status(adapter, ULP_RX_INT_CAUSE_A, ulprx_intr_info))
t4_fatal_err(adapter);
}
/*
* ULP TX interrupt handler .
*/
static void ulptx_intr_handler(struct adapter *adapter)
{
static const struct intr_info ulptx_intr_info[] = {
{ PBL_BOUND_ERR_CH3_F, "ULPTX channel 3 PBL out of bounds" , -1 ,
0 },
{ PBL_BOUND_ERR_CH2_F, "ULPTX channel 2 PBL out of bounds" , -1 ,
0 },
{ PBL_BOUND_ERR_CH1_F, "ULPTX channel 1 PBL out of bounds" , -1 ,
0 },
{ PBL_BOUND_ERR_CH0_F, "ULPTX channel 0 PBL out of bounds" , -1 ,
0 },
{ 0 xfffffff, "ULPTX parity error" , -1 , 1 },
{ 0 }
};
if (t4_handle_intr_status(adapter, ULP_TX_INT_CAUSE_A, ulptx_intr_info))
t4_fatal_err(adapter);
}
/*
* PM TX interrupt handler .
*/
static void pmtx_intr_handler(struct adapter *adapter)
{
static const struct intr_info pmtx_intr_info[] = {
{ PCMD_LEN_OVFL0_F, "PMTX channel 0 pcmd too large" , -1 , 1 },
{ PCMD_LEN_OVFL1_F, "PMTX channel 1 pcmd too large" , -1 , 1 },
{ PCMD_LEN_OVFL2_F, "PMTX channel 2 pcmd too large" , -1 , 1 },
{ ZERO_C_CMD_ERROR_F, "PMTX 0-length pcmd" , -1 , 1 },
{ PMTX_FRAMING_ERROR_F, "PMTX framing error" , -1 , 1 },
{ OESPI_PAR_ERROR_F, "PMTX oespi parity error" , -1 , 1 },
{ DB_OPTIONS_PAR_ERROR_F, "PMTX db_options parity error" ,
-1 , 1 },
{ ICSPI_PAR_ERROR_F, "PMTX icspi parity error" , -1 , 1 },
{ PMTX_C_PCMD_PAR_ERROR_F, "PMTX c_pcmd parity error" , -1 , 1 },
{ 0 }
};
if (t4_handle_intr_status(adapter, PM_TX_INT_CAUSE_A, pmtx_intr_info))
t4_fatal_err(adapter);
}
/*
* PM RX interrupt handler .
*/
static void pmrx_intr_handler(struct adapter *adapter)
{
static const struct intr_info pmrx_intr_info[] = {
{ ZERO_E_CMD_ERROR_F, "PMRX 0-length pcmd" , -1 , 1 },
{ PMRX_FRAMING_ERROR_F, "PMRX framing error" , -1 , 1 },
{ OCSPI_PAR_ERROR_F, "PMRX ocspi parity error" , -1 , 1 },
{ DB_OPTIONS_PAR_ERROR_F, "PMRX db_options parity error" ,
-1 , 1 },
{ IESPI_PAR_ERROR_F, "PMRX iespi parity error" , -1 , 1 },
{ PMRX_E_PCMD_PAR_ERROR_F, "PMRX e_pcmd parity error" , -1 , 1 },
{ 0 }
};
if (t4_handle_intr_status(adapter, PM_RX_INT_CAUSE_A, pmrx_intr_info))
t4_fatal_err(adapter);
}
/*
* CPL switch interrupt handler .
*/
static void cplsw_intr_handler(struct adapter *adapter)
{
static const struct intr_info cplsw_intr_info[] = {
{ CIM_OP_MAP_PERR_F, "CPLSW CIM op_map parity error" , -1 , 1 },
{ CIM_OVFL_ERROR_F, "CPLSW CIM overflow" , -1 , 1 },
{ TP_FRAMING_ERROR_F, "CPLSW TP framing error" , -1 , 1 },
{ SGE_FRAMING_ERROR_F, "CPLSW SGE framing error" , -1 , 1 },
{ CIM_FRAMING_ERROR_F, "CPLSW CIM framing error" , -1 , 1 },
{ ZERO_SWITCH_ERROR_F, "CPLSW no-switch error" , -1 , 1 },
{ 0 }
};
if (t4_handle_intr_status(adapter, CPL_INTR_CAUSE_A, cplsw_intr_info))
t4_fatal_err(adapter);
}
/*
* LE interrupt handler .
*/
static void le_intr_handler(struct adapter *adap)
{
enum chip_type chip = CHELSIO_CHIP_VERSION(adap->params.chip);
static const struct intr_info le_intr_info[] = {
{ LIPMISS_F, "LE LIP miss" , -1 , 0 },
{ LIP0_F, "LE 0 LIP error" , -1 , 0 },
{ PARITYERR_F, "LE parity error" , -1 , 1 },
{ UNKNOWNCMD_F, "LE unknown command" , -1 , 1 },
{ REQQPARERR_F, "LE request queue parity error" , -1 , 1 },
{ 0 }
};
static struct intr_info t6_le_intr_info[] = {
{ T6_LIPMISS_F, "LE LIP miss" , -1 , 0 },
{ T6_LIP0_F, "LE 0 LIP error" , -1 , 0 },
{ CMDTIDERR_F, "LE cmd tid error" , -1 , 1 },
{ TCAMINTPERR_F, "LE parity error" , -1 , 1 },
{ T6_UNKNOWNCMD_F, "LE unknown command" , -1 , 1 },
{ SSRAMINTPERR_F, "LE request queue parity error" , -1 , 1 },
{ HASHTBLMEMCRCERR_F, "LE hash table mem crc error" , -1 , 0 },
{ 0 }
};
if (t4_handle_intr_status(adap, LE_DB_INT_CAUSE_A,
(chip <= CHELSIO_T5) ?
le_intr_info : t6_le_intr_info))
t4_fatal_err(adap);
}
/*
* MPS interrupt handler .
*/
static void mps_intr_handler(struct adapter *adapter)
{
static const struct intr_info mps_rx_intr_info[] = {
{ 0 xffffff, "MPS Rx parity error" , -1 , 1 },
{ 0 }
};
static const struct intr_info mps_tx_intr_info[] = {
{ TPFIFO_V(TPFIFO_M), "MPS Tx TP FIFO parity error" , -1 , 1 },
{ NCSIFIFO_F, "MPS Tx NC-SI FIFO parity error" , -1 , 1 },
{ TXDATAFIFO_V(TXDATAFIFO_M), "MPS Tx data FIFO parity error" ,
-1 , 1 },
{ TXDESCFIFO_V(TXDESCFIFO_M), "MPS Tx desc FIFO parity error" ,
-1 , 1 },
{ BUBBLE_F, "MPS Tx underflow" , -1 , 1 },
{ SECNTERR_F, "MPS Tx SOP/EOP error" , -1 , 1 },
{ FRMERR_F, "MPS Tx framing error" , -1 , 1 },
{ 0 }
};
static const struct intr_info t6_mps_tx_intr_info[] = {
{ TPFIFO_V(TPFIFO_M), "MPS Tx TP FIFO parity error" , -1 , 1 },
{ NCSIFIFO_F, "MPS Tx NC-SI FIFO parity error" , -1 , 1 },
{ TXDATAFIFO_V(TXDATAFIFO_M), "MPS Tx data FIFO parity error" ,
-1 , 1 },
{ TXDESCFIFO_V(TXDESCFIFO_M), "MPS Tx desc FIFO parity error" ,
-1 , 1 },
/* MPS Tx Bubble is normal for T6 */
{ SECNTERR_F, "MPS Tx SOP/EOP error" , -1 , 1 },
{ FRMERR_F, "MPS Tx framing error" , -1 , 1 },
{ 0 }
};
static const struct intr_info mps_trc_intr_info[] = {
{ FILTMEM_V(FILTMEM_M), "MPS TRC filter parity error" , -1 , 1 },
{ PKTFIFO_V(PKTFIFO_M), "MPS TRC packet FIFO parity error" ,
-1 , 1 },
{ MISCPERR_F, "MPS TRC misc parity error" , -1 , 1 },
{ 0 }
};
static const struct intr_info mps_stat_sram_intr_info[] = {
{ 0 x1fffff, "MPS statistics SRAM parity error" , -1 , 1 },
{ 0 }
};
static const struct intr_info mps_stat_tx_intr_info[] = {
{ 0 xfffff, "MPS statistics Tx FIFO parity error" , -1 , 1 },
{ 0 }
};
static const struct intr_info mps_stat_rx_intr_info[] = {
{ 0 xffffff, "MPS statistics Rx FIFO parity error" , -1 , 1 },
{ 0 }
};
static const struct intr_info mps_cls_intr_info[] = {
{ MATCHSRAM_F, "MPS match SRAM parity error" , -1 , 1 },
{ MATCHTCAM_F, "MPS match TCAM parity error" , -1 , 1 },
{ HASHSRAM_F, "MPS hash SRAM parity error" , -1 , 1 },
{ 0 }
};
int fat;
fat = t4_handle_intr_status(adapter, MPS_RX_PERR_INT_CAUSE_A,
mps_rx_intr_info) +
t4_handle_intr_status(adapter, MPS_TX_INT_CAUSE_A,
is_t6(adapter->params.chip)
? t6_mps_tx_intr_info
: mps_tx_intr_info) +
t4_handle_intr_status(adapter, MPS_TRC_INT_CAUSE_A,
mps_trc_intr_info) +
t4_handle_intr_status(adapter, MPS_STAT_PERR_INT_CAUSE_SRAM_A,
mps_stat_sram_intr_info) +
t4_handle_intr_status(adapter, MPS_STAT_PERR_INT_CAUSE_TX_FIFO_A,
mps_stat_tx_intr_info) +
t4_handle_intr_status(adapter, MPS_STAT_PERR_INT_CAUSE_RX_FIFO_A,
mps_stat_rx_intr_info) +
t4_handle_intr_status(adapter, MPS_CLS_INT_CAUSE_A,
mps_cls_intr_info);
t4_write_reg(adapter, MPS_INT_CAUSE_A, 0 );
t4_read_reg(adapter, MPS_INT_CAUSE_A); /* flush */
if (fat)
t4_fatal_err(adapter);
}
#define MEM_INT_MASK (PERR_INT_CAUSE_F | ECC_CE_INT_CAUSE_F | \
ECC_UE_INT_CAUSE_F)
/*
* EDC / MC interrupt handler .
*/
static void mem_intr_handler(struct adapter *adapter, int idx)
{
static const char name[4 ][7 ] = { "EDC0" , "EDC1" , "MC/MC0" , "MC1" };
unsigned int addr, cnt_addr, v;
if (idx <= MEM_EDC1) {
addr = EDC_REG(EDC_INT_CAUSE_A, idx);
cnt_addr = EDC_REG(EDC_ECC_STATUS_A, idx);
} else if (idx == MEM_MC) {
if (is_t4(adapter->params.chip)) {
addr = MC_INT_CAUSE_A;
cnt_addr = MC_ECC_STATUS_A;
} else {
addr = MC_P_INT_CAUSE_A;
cnt_addr = MC_P_ECC_STATUS_A;
}
} else {
addr = MC_REG(MC_P_INT_CAUSE_A, 1 );
cnt_addr = MC_REG(MC_P_ECC_STATUS_A, 1 );
}
v = t4_read_reg(adapter, addr) & MEM_INT_MASK;
if (v & PERR_INT_CAUSE_F)
dev_alert(adapter->pdev_dev, "%s FIFO parity error\n" ,
name[idx]);
if (v & ECC_CE_INT_CAUSE_F) {
u32 cnt = ECC_CECNT_G(t4_read_reg(adapter, cnt_addr));
t4_edc_err_read(adapter, idx);
t4_write_reg(adapter, cnt_addr, ECC_CECNT_V(ECC_CECNT_M));
if (printk_ratelimit())
dev_warn(adapter->pdev_dev,
"%u %s correctable ECC data error%s\n" ,
cnt, name[idx], cnt > 1 ? "s" : "" );
}
if (v & ECC_UE_INT_CAUSE_F)
dev_alert(adapter->pdev_dev,
"%s uncorrectable ECC data error\n" , name[idx]);
t4_write_reg(adapter, addr, v);
if (v & (PERR_INT_CAUSE_F | ECC_UE_INT_CAUSE_F))
t4_fatal_err(adapter);
}
/*
* MA interrupt handler .
*/
static void ma_intr_handler(struct adapter *adap)
{
u32 v, status = t4_read_reg(adap, MA_INT_CAUSE_A);
if (status & MEM_PERR_INT_CAUSE_F) {
dev_alert(adap->pdev_dev,
"MA parity error, parity status %#x\n" ,
t4_read_reg(adap, MA_PARITY_ERROR_STATUS1_A));
if (is_t5(adap->params.chip))
dev_alert(adap->pdev_dev,
"MA parity error, parity status %#x\n" ,
t4_read_reg(adap,
MA_PARITY_ERROR_STATUS2_A));
}
if (status & MEM_WRAP_INT_CAUSE_F) {
v = t4_read_reg(adap, MA_INT_WRAP_STATUS_A);
dev_alert(adap->pdev_dev, "MA address wrap-around error by "
"client %u to address %#x\n" ,
MEM_WRAP_CLIENT_NUM_G(v),
MEM_WRAP_ADDRESS_G(v) << 4 );
}
t4_write_reg(adap, MA_INT_CAUSE_A, status);
t4_fatal_err(adap);
}
/*
* SMB interrupt handler .
*/
static void smb_intr_handler(struct adapter *adap)
{
static const struct intr_info smb_intr_info[] = {
{ MSTTXFIFOPARINT_F, "SMB master Tx FIFO parity error" , -1 , 1 },
{ MSTRXFIFOPARINT_F, "SMB master Rx FIFO parity error" , -1 , 1 },
{ SLVFIFOPARINT_F, "SMB slave FIFO parity error" , -1 , 1 },
{ 0 }
};
if (t4_handle_intr_status(adap, SMB_INT_CAUSE_A, smb_intr_info))
t4_fatal_err(adap);
}
/*
* NC - SI interrupt handler .
*/
static void ncsi_intr_handler(struct adapter *adap)
{
static const struct intr_info ncsi_intr_info[] = {
{ CIM_DM_PRTY_ERR_F, "NC-SI CIM parity error" , -1 , 1 },
{ MPS_DM_PRTY_ERR_F, "NC-SI MPS parity error" , -1 , 1 },
{ TXFIFO_PRTY_ERR_F, "NC-SI Tx FIFO parity error" , -1 , 1 },
{ RXFIFO_PRTY_ERR_F, "NC-SI Rx FIFO parity error" , -1 , 1 },
{ 0 }
};
if (t4_handle_intr_status(adap, NCSI_INT_CAUSE_A, ncsi_intr_info))
t4_fatal_err(adap);
}
/*
* XGMAC interrupt handler .
*/
static void xgmac_intr_handler(struct adapter *adap, int port)
{
u32 v, int_cause_reg;
if (is_t4(adap->params.chip))
int_cause_reg = PORT_REG(port, XGMAC_PORT_INT_CAUSE_A);
else
int_cause_reg = T5_PORT_REG(port, MAC_PORT_INT_CAUSE_A);
v = t4_read_reg(adap, int_cause_reg);
v &= TXFIFO_PRTY_ERR_F | RXFIFO_PRTY_ERR_F;
if (!v)
return ;
if (v & TXFIFO_PRTY_ERR_F)
dev_alert(adap->pdev_dev, "XGMAC %d Tx FIFO parity error\n" ,
port);
if (v & RXFIFO_PRTY_ERR_F)
dev_alert(adap->pdev_dev, "XGMAC %d Rx FIFO parity error\n" ,
port);
t4_write_reg(adap, PORT_REG(port, XGMAC_PORT_INT_CAUSE_A), v);
t4_fatal_err(adap);
}
/*
* PL interrupt handler .
*/
static void pl_intr_handler(struct adapter *adap)
{
static const struct intr_info pl_intr_info[] = {
{ FATALPERR_F, "T4 fatal parity error" , -1 , 1 },
{ PERRVFID_F, "PL VFID_MAP parity error" , -1 , 1 },
{ 0 }
};
if (t4_handle_intr_status(adap, PL_PL_INT_CAUSE_A, pl_intr_info))
t4_fatal_err(adap);
}
#define PF_INTR_MASK (PFSW_F)
#define GLBL_INTR_MASK (CIM_F | MPS_F | PL_F | PCIE_F | MC_F | EDC0_F | \
EDC1_F | LE_F | TP_F | MA_F | PM_TX_F | PM_RX_F | ULP_RX_F | \
CPL_SWITCH_F | SGE_F | ULP_TX_F | SF_F)
/**
* t4_slow_intr_handler - control path interrupt handler
* @ adapter : the adapter
*
* T4 interrupt handler for non - data global interrupt events , e . g . , errors .
* The designation ' slow ' is because it involves register reads , while
* data interrupts typically don ' t involve any MMIOs .
*/
int t4_slow_intr_handler(struct adapter *adapter)
{
/* There are rare cases where a PL_INT_CAUSE bit may end up getting
* set when the corresponding PL_INT_ENABLE bit isn ' t set . It ' s
* easiest just to mask that case here .
*/
u32 raw_cause = t4_read_reg(adapter, PL_INT_CAUSE_A);
u32 enable = t4_read_reg(adapter, PL_INT_ENABLE_A);
u32 cause = raw_cause & enable;
if (!(cause & GLBL_INTR_MASK))
return 0 ;
if (cause & CIM_F)
cim_intr_handler(adapter);
if (cause & MPS_F)
mps_intr_handler(adapter);
if (cause & NCSI_F)
ncsi_intr_handler(adapter);
if (cause & PL_F)
pl_intr_handler(adapter);
if (cause & SMB_F)
smb_intr_handler(adapter);
if (cause & XGMAC0_F)
xgmac_intr_handler(adapter, 0 );
if (cause & XGMAC1_F)
xgmac_intr_handler(adapter, 1 );
if (cause & XGMAC_KR0_F)
xgmac_intr_handler(adapter, 2 );
if (cause & XGMAC_KR1_F)
xgmac_intr_handler(adapter, 3 );
if (cause & PCIE_F)
pcie_intr_handler(adapter);
if (cause & MC_F)
mem_intr_handler(adapter, MEM_MC);
if (is_t5(adapter->params.chip) && (cause & MC1_F))
mem_intr_handler(adapter, MEM_MC1);
if (cause & EDC0_F)
mem_intr_handler(adapter, MEM_EDC0);
if (cause & EDC1_F)
mem_intr_handler(adapter, MEM_EDC1);
if (cause & LE_F)
le_intr_handler(adapter);
if (cause & TP_F)
tp_intr_handler(adapter);
if (cause & MA_F)
ma_intr_handler(adapter);
if (cause & PM_TX_F)
pmtx_intr_handler(adapter);
if (cause & PM_RX_F)
pmrx_intr_handler(adapter);
if (cause & ULP_RX_F)
ulprx_intr_handler(adapter);
if (cause & CPL_SWITCH_F)
cplsw_intr_handler(adapter);
if (cause & SGE_F)
sge_intr_handler(adapter);
if (cause & ULP_TX_F)
ulptx_intr_handler(adapter);
/* Clear the interrupts just processed for which we are the master. */
t4_write_reg(adapter, PL_INT_CAUSE_A, raw_cause & GLBL_INTR_MASK);
(void )t4_read_reg(adapter, PL_INT_CAUSE_A); /* flush */
return 1 ;
}
/**
* t4_intr_enable - enable interrupts
* @ adapter : the adapter whose interrupts should be enabled
*
* Enable PF - specific interrupts for the calling function and the top - level
* interrupt concentrator for global interrupts . Interrupts are already
* enabled at each module , here we just enable the roots of the interrupt
* hierarchies .
*
* Note : this function should be called only when the driver manages
* non PF - specific interrupts from the various HW modules . Only one PCI
* function at a time should be doing this .
*/
void t4_intr_enable(struct adapter *adapter)
{
u32 val = 0 ;
u32 whoami = t4_read_reg(adapter, PL_WHOAMI_A);
u32 pf = CHELSIO_CHIP_VERSION(adapter->params.chip) <= CHELSIO_T5 ?
SOURCEPF_G(whoami) : T6_SOURCEPF_G(whoami);
if (CHELSIO_CHIP_VERSION(adapter->params.chip) <= CHELSIO_T5)
val = ERR_DROPPED_DB_F | ERR_EGR_CTXT_PRIO_F | DBFIFO_HP_INT_F;
t4_write_reg(adapter, SGE_INT_ENABLE3_A, ERR_CPL_EXCEED_IQE_SIZE_F |
ERR_INVALID_CIDX_INC_F | ERR_CPL_OPCODE_0_F |
ERR_DATA_CPL_ON_HIGH_QID1_F | INGRESS_SIZE_ERR_F |
ERR_DATA_CPL_ON_HIGH_QID0_F | ERR_BAD_DB_PIDX3_F |
ERR_BAD_DB_PIDX2_F | ERR_BAD_DB_PIDX1_F |
ERR_BAD_DB_PIDX0_F | ERR_ING_CTXT_PRIO_F |
DBFIFO_LP_INT_F | EGRESS_SIZE_ERR_F | val);
t4_write_reg(adapter, MYPF_REG(PL_PF_INT_ENABLE_A), PF_INTR_MASK);
t4_set_reg_field(adapter, PL_INT_MAP0_A, 0 , 1 << pf);
}
/**
* t4_intr_disable - disable interrupts
* @ adapter : the adapter whose interrupts should be disabled
*
* Disable interrupts . We only disable the top - level interrupt
* concentrators . The caller must be a PCI function managing global
* interrupts .
*/
void t4_intr_disable(struct adapter *adapter)
{
u32 whoami, pf;
if (pci_channel_offline(adapter->pdev))
return ;
whoami = t4_read_reg(adapter, PL_WHOAMI_A);
pf = CHELSIO_CHIP_VERSION(adapter->params.chip) <= CHELSIO_T5 ?
SOURCEPF_G(whoami) : T6_SOURCEPF_G(whoami);
t4_write_reg(adapter, MYPF_REG(PL_PF_INT_ENABLE_A), 0 );
t4_set_reg_field(adapter, PL_INT_MAP0_A, 1 << pf, 0 );
}
unsigned int t4_chip_rss_size(struct adapter *adap)
{
if (CHELSIO_CHIP_VERSION(adap->params.chip) <= CHELSIO_T5)
return RSS_NENTRIES;
else
return T6_RSS_NENTRIES;
}
/**
* t4_config_rss_range - configure a portion of the RSS mapping table
* @ adapter : the adapter
* @ mbox : mbox to use for the FW command
* @ viid : virtual interface whose RSS subtable is to be written
* @ start : start entry in the table to write
* @ n : how many table entries to write
* @ rspq : values for the response queue lookup table
* @ nrspq : number of values in @ rspq
*
* Programs the selected part of the VI ' s RSS mapping table with the
* provided values . If @ nrspq < @ n the supplied values are used repeatedly
* until the full table range is populated .
*
* The caller must ensure the values in @ rspq are in the range allowed for
* @ viid .
*/
int t4_config_rss_range(struct adapter *adapter, int mbox, unsigned int viid,
int start, int n, const u16 *rspq, unsigned int nrspq)
{
int ret;
const u16 *rsp = rspq;
const u16 *rsp_end = rspq + nrspq;
struct fw_rss_ind_tbl_cmd cmd;
memset(&cmd, 0 , sizeof (cmd));
cmd.op_to_viid = cpu_to_be32(FW_CMD_OP_V(FW_RSS_IND_TBL_CMD) |
FW_CMD_REQUEST_F | FW_CMD_WRITE_F |
FW_RSS_IND_TBL_CMD_VIID_V(viid));
cmd.retval_len16 = cpu_to_be32(FW_LEN16(cmd));
/* each fw_rss_ind_tbl_cmd takes up to 32 entries */
while (n > 0 ) {
int nq = min(n, 32 );
__be32 *qp = &cmd.iq0_to_iq2;
cmd.niqid = cpu_to_be16(nq);
cmd.startidx = cpu_to_be16(start);
start += nq;
n -= nq;
while (nq > 0 ) {
unsigned int v;
v = FW_RSS_IND_TBL_CMD_IQ0_V(*rsp);
if (++rsp >= rsp_end)
rsp = rspq;
v |= FW_RSS_IND_TBL_CMD_IQ1_V(*rsp);
if (++rsp >= rsp_end)
rsp = rspq;
v |= FW_RSS_IND_TBL_CMD_IQ2_V(*rsp);
if (++rsp >= rsp_end)
rsp = rspq;
*qp++ = cpu_to_be32(v);
nq -= 3 ;
}
ret = t4_wr_mbox(adapter, mbox, &cmd, sizeof (cmd), NULL);
if (ret)
return ret;
}
return 0 ;
}
/**
* t4_config_glbl_rss - configure the global RSS mode
* @ adapter : the adapter
* @ mbox : mbox to use for the FW command
* @ mode : global RSS mode
* @ flags : mode - specific flags
*
* Sets the global RSS mode .
*/
int t4_config_glbl_rss(struct adapter *adapter, int mbox, unsigned int mode,
unsigned int flags)
{
struct fw_rss_glb_config_cmd c;
memset(&c, 0 , sizeof (c));
c.op_to_write = cpu_to_be32(FW_CMD_OP_V(FW_RSS_GLB_CONFIG_CMD) |
FW_CMD_REQUEST_F | FW_CMD_WRITE_F);
c.retval_len16 = cpu_to_be32(FW_LEN16(c));
if (mode == FW_RSS_GLB_CONFIG_CMD_MODE_MANUAL) {
c.u.manual.mode_pkd =
cpu_to_be32(FW_RSS_GLB_CONFIG_CMD_MODE_V(mode));
} else if (mode == FW_RSS_GLB_CONFIG_CMD_MODE_BASICVIRTUAL) {
c.u.basicvirtual.mode_pkd =
cpu_to_be32(FW_RSS_GLB_CONFIG_CMD_MODE_V(mode));
c.u.basicvirtual.synmapen_to_hashtoeplitz = cpu_to_be32(flags);
} else
return -EINVAL;
return t4_wr_mbox(adapter, mbox, &c, sizeof (c), NULL);
}
/**
* t4_config_vi_rss - configure per VI RSS settings
* @ adapter : the adapter
* @ mbox : mbox to use for the FW command
* @ viid : the VI id
* @ flags : RSS flags
* @ defq : id of the default RSS queue for the VI .
*
* Configures VI - specific RSS properties .
*/
int t4_config_vi_rss(struct adapter *adapter, int mbox, unsigned int viid,
unsigned int flags, unsigned int defq)
{
struct fw_rss_vi_config_cmd c;
memset(&c, 0 , sizeof (c));
c.op_to_viid = cpu_to_be32(FW_CMD_OP_V(FW_RSS_VI_CONFIG_CMD) |
FW_CMD_REQUEST_F | FW_CMD_WRITE_F |
FW_RSS_VI_CONFIG_CMD_VIID_V(viid));
c.retval_len16 = cpu_to_be32(FW_LEN16(c));
c.u.basicvirtual.defaultq_to_udpen = cpu_to_be32(flags |
FW_RSS_VI_CONFIG_CMD_DEFAULTQ_V(defq));
return t4_wr_mbox(adapter, mbox, &c, sizeof (c), NULL);
}
/* Read an RSS table row */
static int rd_rss_row(struct adapter *adap, int row, u32 *val)
{
t4_write_reg(adap, TP_RSS_LKP_TABLE_A, 0 xfff00000 | row);
return t4_wait_op_done_val(adap, TP_RSS_LKP_TABLE_A, LKPTBLROWVLD_F, 1 ,
5 , 0 , val);
}
/**
* t4_read_rss - read the contents of the RSS mapping table
* @ adapter : the adapter
* @ map : holds the contents of the RSS mapping table
*
* Reads the contents of the RSS hash - > queue mapping table .
*/
int t4_read_rss(struct adapter *adapter, u16 *map)
{
int i, ret, nentries;
u32 val;
nentries = t4_chip_rss_size(adapter);
for (i = 0 ; i < nentries / 2 ; ++i) {
ret = rd_rss_row(adapter, i, &val);
if (ret)
return ret;
*map++ = LKPTBLQUEUE0_G(val);
*map++ = LKPTBLQUEUE1_G(val);
}
return 0 ;
}
static unsigned int t4_use_ldst(struct adapter *adap)
{
return (adap->flags & CXGB4_FW_OK) && !adap->use_bd;
}
/**
* t4_tp_fw_ldst_rw - Access TP indirect register through LDST
* @ adap : the adapter
* @ cmd : TP fw ldst address space type
* @ vals : where the indirect register values are stored / written
* @ nregs : how many indirect registers to read / write
* @ start_index : index of first indirect register to read / write
* @ rw : Read ( 1 ) or Write ( 0 )
* @ sleep_ok : if true we may sleep while awaiting command completion
*
* Access TP indirect registers through LDST
*/
static int t4_tp_fw_ldst_rw(struct adapter *adap, int cmd, u32 *vals,
unsigned int nregs, unsigned int start_index,
unsigned int rw, bool sleep_ok)
{
int ret = 0 ;
unsigned int i;
struct fw_ldst_cmd c;
for (i = 0 ; i < nregs; i++) {
memset(&c, 0 , sizeof (c));
c.op_to_addrspace = cpu_to_be32(FW_CMD_OP_V(FW_LDST_CMD) |
FW_CMD_REQUEST_F |
(rw ? FW_CMD_READ_F :
FW_CMD_WRITE_F) |
FW_LDST_CMD_ADDRSPACE_V(cmd));
c.cycles_to_len16 = cpu_to_be32(FW_LEN16(c));
c.u.addrval.addr = cpu_to_be32(start_index + i);
c.u.addrval.val = rw ? 0 : cpu_to_be32(vals[i]);
ret = t4_wr_mbox_meat(adap, adap->mbox, &c, sizeof (c), &c,
sleep_ok);
if (ret)
return ret;
if (rw)
vals[i] = be32_to_cpu(c.u.addrval.val);
}
return 0 ;
}
/**
* t4_tp_indirect_rw - Read / Write TP indirect register through LDST or backdoor
* @ adap : the adapter
* @ reg_addr : Address Register
* @ reg_data : Data register
* @ buff : where the indirect register values are stored / written
* @ nregs : how many indirect registers to read / write
* @ start_index : index of first indirect register to read / write
* @ rw : READ ( 1 ) or WRITE ( 0 )
* @ sleep_ok : if true we may sleep while awaiting command completion
*
* Read / Write TP indirect registers through LDST if possible .
* Else , use backdoor access
**/
static void t4_tp_indirect_rw(struct adapter *adap, u32 reg_addr, u32 reg_data,
u32 *buff, u32 nregs, u32 start_index, int rw,
bool sleep_ok)
{
int rc = -EINVAL;
int cmd;
switch (reg_addr) {
case TP_PIO_ADDR_A:
cmd = FW_LDST_ADDRSPC_TP_PIO;
break ;
case TP_TM_PIO_ADDR_A:
cmd = FW_LDST_ADDRSPC_TP_TM_PIO;
break ;
case TP_MIB_INDEX_A:
cmd = FW_LDST_ADDRSPC_TP_MIB;
break ;
default :
goto indirect_access;
}
if (t4_use_ldst(adap))
rc = t4_tp_fw_ldst_rw(adap, cmd, buff, nregs, start_index, rw,
sleep_ok);
indirect_access:
if (rc) {
if (rw)
t4_read_indirect(adap, reg_addr, reg_data, buff, nregs,
start_index);
else
t4_write_indirect(adap, reg_addr, reg_data, buff, nregs,
start_index);
}
}
/**
* t4_tp_pio_read - Read TP PIO registers
* @ adap : the adapter
* @ buff : where the indirect register values are written
* @ nregs : how many indirect registers to read
* @ start_index : index of first indirect register to read
* @ sleep_ok : if true we may sleep while awaiting command completion
*
* Read TP PIO Registers
**/
void t4_tp_pio_read(struct adapter *adap, u32 *buff, u32 nregs,
u32 start_index, bool sleep_ok)
{
t4_tp_indirect_rw(adap, TP_PIO_ADDR_A, TP_PIO_DATA_A, buff, nregs,
start_index, 1 , sleep_ok);
}
/**
* t4_tp_pio_write - Write TP PIO registers
* @ adap : the adapter
* @ buff : where the indirect register values are stored
* @ nregs : how many indirect registers to write
* @ start_index : index of first indirect register to write
* @ sleep_ok : if true we may sleep while awaiting command completion
*
* Write TP PIO Registers
**/
static void t4_tp_pio_write(struct adapter *adap, u32 *buff, u32 nregs,
u32 start_index, bool sleep_ok)
{
t4_tp_indirect_rw(adap, TP_PIO_ADDR_A, TP_PIO_DATA_A, buff, nregs,
start_index, 0 , sleep_ok);
}
/**
* t4_tp_tm_pio_read - Read TP TM PIO registers
* @ adap : the adapter
* @ buff : where the indirect register values are written
* @ nregs : how many indirect registers to read
* @ start_index : index of first indirect register to read
* @ sleep_ok : if true we may sleep while awaiting command completion
*
* Read TP TM PIO Registers
**/
void t4_tp_tm_pio_read(struct adapter *adap, u32 *buff, u32 nregs,
u32 start_index, bool sleep_ok)
{
t4_tp_indirect_rw(adap, TP_TM_PIO_ADDR_A, TP_TM_PIO_DATA_A, buff,
nregs, start_index, 1 , sleep_ok);
}
/**
* t4_tp_mib_read - Read TP MIB registers
* @ adap : the adapter
* @ buff : where the indirect register values are written
* @ nregs : how many indirect registers to read
* @ start_index : index of first indirect register to read
* @ sleep_ok : if true we may sleep while awaiting command completion
*
* Read TP MIB Registers
**/
void t4_tp_mib_read(struct adapter *adap, u32 *buff, u32 nregs, u32 start_index,
bool sleep_ok)
{
t4_tp_indirect_rw(adap, TP_MIB_INDEX_A, TP_MIB_DATA_A, buff, nregs,
start_index, 1 , sleep_ok);
}
/**
* t4_read_rss_key - read the global RSS key
* @ adap : the adapter
* @ key : 10 - entry array holding the 320 - bit RSS key
* @ sleep_ok : if true we may sleep while awaiting command completion
*
* Reads the global 320 - bit RSS key .
*/
void t4_read_rss_key(struct adapter *adap, u32 *key, bool sleep_ok)
{
t4_tp_pio_read(adap, key, 10 , TP_RSS_SECRET_KEY0_A, sleep_ok);
}
/**
* t4_write_rss_key - program one of the RSS keys
* @ adap : the adapter
* @ key : 10 - entry array holding the 320 - bit RSS key
* @ idx : which RSS key to write
* @ sleep_ok : if true we may sleep while awaiting command completion
*
* Writes one of the RSS keys with the given 320 - bit value . If @ idx is
* 0 . . 15 the corresponding entry in the RSS key table is written ,
* otherwise the global RSS key is written .
*/
void t4_write_rss_key(struct adapter *adap, const u32 *key, int idx,
bool sleep_ok)
{
u8 rss_key_addr_cnt = 16 ;
u32 vrt = t4_read_reg(adap, TP_RSS_CONFIG_VRT_A);
/* T6 and later: for KeyMode 3 (per-vf and per-vf scramble),
* allows access to key addresses 16 - 63 by using KeyWrAddrX
* as index [ 5 : 4 ] ( upper 2 ) into key table
*/
if ((CHELSIO_CHIP_VERSION(adap->params.chip) > CHELSIO_T5) &&
(vrt & KEYEXTEND_F) && (KEYMODE_G(vrt) == 3 ))
rss_key_addr_cnt = 32 ;
t4_tp_pio_write(adap, (void *)key, 10 , TP_RSS_SECRET_KEY0_A, sleep_ok);
if (idx >= 0 && idx < rss_key_addr_cnt) {
if (rss_key_addr_cnt > 16 )
t4_write_reg(adap, TP_RSS_CONFIG_VRT_A,
KEYWRADDRX_V(idx >> 4 ) |
T6_VFWRADDR_V(idx) | KEYWREN_F);
else
t4_write_reg(adap, TP_RSS_CONFIG_VRT_A,
KEYWRADDR_V(idx) | KEYWREN_F);
}
}
/**
* t4_read_rss_pf_config - read PF RSS Configuration Table
* @ adapter : the adapter
* @ index : the entry in the PF RSS table to read
* @ valp : where to store the returned value
* @ sleep_ok : if true we may sleep while awaiting command completion
*
* Reads the PF RSS Configuration Table at the specified index and returns
* the value found there .
*/
void t4_read_rss_pf_config(struct adapter *adapter, unsigned int index,
u32 *valp, bool sleep_ok)
{
t4_tp_pio_read(adapter, valp, 1 , TP_RSS_PF0_CONFIG_A + index, sleep_ok);
}
/**
* t4_read_rss_vf_config - read VF RSS Configuration Table
* @ adapter : the adapter
* @ index : the entry in the VF RSS table to read
* @ vfl : where to store the returned VFL
* @ vfh : where to store the returned VFH
* @ sleep_ok : if true we may sleep while awaiting command completion
*
* Reads the VF RSS Configuration Table at the specified index and returns
* the ( VFL , VFH ) values found there .
*/
void t4_read_rss_vf_config(struct adapter *adapter, unsigned int index,
u32 *vfl, u32 *vfh, bool sleep_ok)
{
u32 vrt, mask, data;
if (CHELSIO_CHIP_VERSION(adapter->params.chip) <= CHELSIO_T5) {
mask = VFWRADDR_V(VFWRADDR_M);
data = VFWRADDR_V(index);
} else {
mask = T6_VFWRADDR_V(T6_VFWRADDR_M);
data = T6_VFWRADDR_V(index);
}
/* Request that the index'th VF Table values be read into VFL/VFH.
*/
vrt = t4_read_reg(adapter, TP_RSS_CONFIG_VRT_A);
vrt &= ~(VFRDRG_F | VFWREN_F | KEYWREN_F | mask);
vrt |= data | VFRDEN_F;
t4_write_reg(adapter, TP_RSS_CONFIG_VRT_A, vrt);
/* Grab the VFL/VFH values ...
*/
t4_tp_pio_read(adapter, vfl, 1 , TP_RSS_VFL_CONFIG_A, sleep_ok);
t4_tp_pio_read(adapter, vfh, 1 , TP_RSS_VFH_CONFIG_A, sleep_ok);
}
/**
* t4_read_rss_pf_map - read PF RSS Map
* @ adapter : the adapter
* @ sleep_ok : if true we may sleep while awaiting command completion
*
* Reads the PF RSS Map register and returns its value .
*/
u32 t4_read_rss_pf_map(struct adapter *adapter, bool sleep_ok)
{
u32 pfmap;
t4_tp_pio_read(adapter, &pfmap, 1 , TP_RSS_PF_MAP_A, sleep_ok);
return pfmap;
}
/**
* t4_read_rss_pf_mask - read PF RSS Mask
* @ adapter : the adapter
* @ sleep_ok : if true we may sleep while awaiting command completion
*
* Reads the PF RSS Mask register and returns its value .
*/
u32 t4_read_rss_pf_mask(struct adapter *adapter, bool sleep_ok)
{
u32 pfmask;
t4_tp_pio_read(adapter, &pfmask, 1 , TP_RSS_PF_MSK_A, sleep_ok);
return pfmask;
}
/**
* t4_tp_get_tcp_stats - read TP ' s TCP MIB counters
* @ adap : the adapter
* @ v4 : holds the TCP / IP counter values
* @ v6 : holds the TCP / IPv6 counter values
* @ sleep_ok : if true we may sleep while awaiting command completion
*
* Returns the values of TP ' s TCP / IP and TCP / IPv6 MIB counters .
* Either @ v4 or @ v6 may be % NULL to skip the corresponding stats .
*/
void t4_tp_get_tcp_stats(struct adapter *adap, struct tp_tcp_stats *v4,
struct tp_tcp_stats *v6, bool sleep_ok)
{
u32 val[TP_MIB_TCP_RXT_SEG_LO_A - TP_MIB_TCP_OUT_RST_A + 1 ];
#define STAT_IDX(x) ((TP_MIB_TCP_## x## _A) - TP_MIB_TCP_OUT_RST_A)
#define STAT(x) val[STAT_IDX(x)]
#define STAT64(x) (((u64)STAT(x## _HI) << 32 ) | STAT(x## _LO))
if (v4) {
t4_tp_mib_read(adap, val, ARRAY_SIZE(val),
TP_MIB_TCP_OUT_RST_A, sleep_ok);
v4->tcp_out_rsts = STAT(OUT_RST);
v4->tcp_in_segs = STAT64(IN_SEG);
v4->tcp_out_segs = STAT64(OUT_SEG);
v4->tcp_retrans_segs = STAT64(RXT_SEG);
}
if (v6) {
t4_tp_mib_read(adap, val, ARRAY_SIZE(val),
TP_MIB_TCP_V6OUT_RST_A, sleep_ok);
v6->tcp_out_rsts = STAT(OUT_RST);
v6->tcp_in_segs = STAT64(IN_SEG);
v6->tcp_out_segs = STAT64(OUT_SEG);
v6->tcp_retrans_segs = STAT64(RXT_SEG);
}
#undef STAT64
#undef STAT
#undef STAT_IDX
}
/**
* t4_tp_get_err_stats - read TP ' s error MIB counters
* @ adap : the adapter
* @ st : holds the counter values
* @ sleep_ok : if true we may sleep while awaiting command completion
*
* Returns the values of TP ' s error counters .
*/
void t4_tp_get_err_stats(struct adapter *adap, struct tp_err_stats *st,
bool sleep_ok)
{
int nchan = adap->params.arch.nchan;
t4_tp_mib_read(adap, st->mac_in_errs, nchan, TP_MIB_MAC_IN_ERR_0_A,
sleep_ok);
t4_tp_mib_read(adap, st->hdr_in_errs, nchan, TP_MIB_HDR_IN_ERR_0_A,
sleep_ok);
t4_tp_mib_read(adap, st->tcp_in_errs, nchan, TP_MIB_TCP_IN_ERR_0_A,
sleep_ok);
t4_tp_mib_read(adap, st->tnl_cong_drops, nchan,
TP_MIB_TNL_CNG_DROP_0_A, sleep_ok);
t4_tp_mib_read(adap, st->ofld_chan_drops, nchan,
TP_MIB_OFD_CHN_DROP_0_A, sleep_ok);
t4_tp_mib_read(adap, st->tnl_tx_drops, nchan, TP_MIB_TNL_DROP_0_A,
sleep_ok);
t4_tp_mib_read(adap, st->ofld_vlan_drops, nchan,
TP_MIB_OFD_VLN_DROP_0_A, sleep_ok);
t4_tp_mib_read(adap, st->tcp6_in_errs, nchan,
TP_MIB_TCP_V6IN_ERR_0_A, sleep_ok);
t4_tp_mib_read(adap, &st->ofld_no_neigh, 2 , TP_MIB_OFD_ARP_DROP_A,
sleep_ok);
}
/**
* t4_tp_get_cpl_stats - read TP ' s CPL MIB counters
* @ adap : the adapter
* @ st : holds the counter values
* @ sleep_ok : if true we may sleep while awaiting command completion
*
* Returns the values of TP ' s CPL counters .
*/
void t4_tp_get_cpl_stats(struct adapter *adap, struct tp_cpl_stats *st,
bool sleep_ok)
{
int nchan = adap->params.arch.nchan;
t4_tp_mib_read(adap, st->req, nchan, TP_MIB_CPL_IN_REQ_0_A, sleep_ok);
t4_tp_mib_read(adap, st->rsp, nchan, TP_MIB_CPL_OUT_RSP_0_A, sleep_ok);
}
/**
* t4_tp_get_rdma_stats - read TP ' s RDMA MIB counters
* @ adap : the adapter
* @ st : holds the counter values
* @ sleep_ok : if true we may sleep while awaiting command completion
*
* Returns the values of TP ' s RDMA counters .
*/
void t4_tp_get_rdma_stats(struct adapter *adap, struct tp_rdma_stats *st,
bool sleep_ok)
{
t4_tp_mib_read(adap, &st->rqe_dfr_pkt, 2 , TP_MIB_RQE_DFR_PKT_A,
sleep_ok);
}
/**
* t4_get_fcoe_stats - read TP ' s FCoE MIB counters for a port
* @ adap : the adapter
* @ idx : the port index
* @ st : holds the counter values
* @ sleep_ok : if true we may sleep while awaiting command completion
*
* Returns the values of TP ' s FCoE counters for the selected port .
*/
void t4_get_fcoe_stats(struct adapter *adap, unsigned int idx,
struct tp_fcoe_stats *st, bool sleep_ok)
{
u32 val[2 ];
t4_tp_mib_read(adap, &st->frames_ddp, 1 , TP_MIB_FCOE_DDP_0_A + idx,
sleep_ok);
t4_tp_mib_read(adap, &st->frames_drop, 1 ,
TP_MIB_FCOE_DROP_0_A + idx, sleep_ok);
t4_tp_mib_read(adap, val, 2 , TP_MIB_FCOE_BYTE_0_HI_A + 2 * idx,
sleep_ok);
st->octets_ddp = ((u64)val[0 ] << 32 ) | val[1 ];
}
/**
* t4_get_usm_stats - read TP ' s non - TCP DDP MIB counters
* @ adap : the adapter
* @ st : holds the counter values
* @ sleep_ok : if true we may sleep while awaiting command completion
*
* Returns the values of TP ' s counters for non - TCP directly - placed packets .
*/
void t4_get_usm_stats(struct adapter *adap, struct tp_usm_stats *st,
bool sleep_ok)
{
u32 val[4 ];
t4_tp_mib_read(adap, val, 4 , TP_MIB_USM_PKTS_A, sleep_ok);
st->frames = val[0 ];
st->drops = val[1 ];
st->octets = ((u64)val[2 ] << 32 ) | val[3 ];
}
/**
* t4_read_mtu_tbl - returns the values in the HW path MTU table
* @ adap : the adapter
* @ mtus : where to store the MTU values
* @ mtu_log : where to store the MTU base - 2 log ( may be % NULL )
*
* Reads the HW path MTU table .
*/
void t4_read_mtu_tbl(struct adapter *adap, u16 *mtus, u8 *mtu_log)
{
u32 v;
int i;
for (i = 0 ; i < NMTUS; ++i) {
t4_write_reg(adap, TP_MTU_TABLE_A,
MTUINDEX_V(0 xff) | MTUVALUE_V(i));
v = t4_read_reg(adap, TP_MTU_TABLE_A);
mtus[i] = MTUVALUE_G(v);
if (mtu_log)
mtu_log[i] = MTUWIDTH_G(v);
}
}
/**
* t4_read_cong_tbl - reads the congestion control table
* @ adap : the adapter
* @ incr : where to store the alpha values
*
* Reads the additive increments programmed into the HW congestion
* control table .
*/
void t4_read_cong_tbl(struct adapter *adap, u16 incr[NMTUS][NCCTRL_WIN])
{
unsigned int mtu, w;
for (mtu = 0 ; mtu < NMTUS; ++mtu)
for (w = 0 ; w < NCCTRL_WIN; ++w) {
t4_write_reg(adap, TP_CCTRL_TABLE_A,
ROWINDEX_V(0 xffff) | (mtu << 5 ) | w);
incr[mtu][w] = (u16)t4_read_reg(adap,
TP_CCTRL_TABLE_A) & 0 x1fff;
}
}
/**
* t4_tp_wr_bits_indirect - set / clear bits in an indirect TP register
* @ adap : the adapter
* @ addr : the indirect TP register address
* @ mask : specifies the field within the register to modify
* @ val : new value for the field
*
* Sets a field of an indirect TP register to the given value .
*/
void t4_tp_wr_bits_indirect(struct adapter *adap, unsigned int addr,
unsigned int mask, unsigned int val)
{
t4_write_reg(adap, TP_PIO_ADDR_A, addr);
val |= t4_read_reg(adap, TP_PIO_DATA_A) & ~mask;
t4_write_reg(adap, TP_PIO_DATA_A, val);
}
/**
* init_cong_ctrl - initialize congestion control parameters
* @ a : the alpha values for congestion control
* @ b : the beta values for congestion control
*
* Initialize the congestion control parameters .
*/
static void init_cong_ctrl(unsigned short *a, unsigned short *b)
{
a[0 ] = a[1 ] = a[2 ] = a[3 ] = a[4 ] = a[5 ] = a[6 ] = a[7 ] = a[8 ] = 1 ;
a[9 ] = 2 ;
a[10 ] = 3 ;
a[11 ] = 4 ;
a[12 ] = 5 ;
a[13 ] = 6 ;
a[14 ] = 7 ;
a[15 ] = 8 ;
a[16 ] = 9 ;
a[17 ] = 10 ;
a[18 ] = 14 ;
a[19 ] = 17 ;
a[20 ] = 21 ;
a[21 ] = 25 ;
a[22 ] = 30 ;
a[23 ] = 35 ;
a[24 ] = 45 ;
a[25 ] = 60 ;
a[26 ] = 80 ;
a[27 ] = 100 ;
a[28 ] = 200 ;
a[29 ] = 300 ;
a[30 ] = 400 ;
a[31 ] = 500 ;
b[0 ] = b[1 ] = b[2 ] = b[3 ] = b[4 ] = b[5 ] = b[6 ] = b[7 ] = b[8 ] = 0 ;
b[9 ] = b[10 ] = 1 ;
b[11 ] = b[12 ] = 2 ;
b[13 ] = b[14 ] = b[15 ] = b[16 ] = 3 ;
b[17 ] = b[18 ] = b[19 ] = b[20 ] = b[21 ] = 4 ;
b[22 ] = b[23 ] = b[24 ] = b[25 ] = b[26 ] = b[27 ] = 5 ;
b[28 ] = b[29 ] = 6 ;
b[30 ] = b[31 ] = 7 ;
}
/* The minimum additive increment value for the congestion control table */
#define CC_MIN_INCR 2 U
/**
* t4_load_mtus - write the MTU and congestion control HW tables
* @ adap : the adapter
* @ mtus : the values for the MTU table
* @ alpha : the values for the congestion control alpha parameter
* @ beta : the values for the congestion control beta parameter
*
* Write the HW MTU table with the supplied MTUs and the high - speed
* congestion control table with the supplied alpha , beta , and MTUs .
* We write the two tables together because the additive increments
* depend on the MTUs .
*/
void t4_load_mtus(struct adapter *adap, const unsigned short *mtus,
const unsigned short *alpha, const unsigned short *beta)
{
static const unsigned int avg_pkts[NCCTRL_WIN] = {
2 , 6 , 10 , 14 , 20 , 28 , 40 , 56 , 80 , 112 , 160 , 224 , 320 , 448 , 640 ,
896 , 1281 , 1792 , 2560 , 3584 , 5120 , 7168 , 10240 , 14336 , 20480 ,
28672 , 40960 , 57344 , 81920 , 114688 , 163840 , 229376
};
unsigned int i, w;
for (i = 0 ; i < NMTUS; ++i) {
unsigned int mtu = mtus[i];
unsigned int log2 = fls(mtu);
if (!(mtu & ((1 << log2) >> 2 ))) /* round */
log2--;
t4_write_reg(adap, TP_MTU_TABLE_A, MTUINDEX_V(i) |
MTUWIDTH_V(log2) | MTUVALUE_V(mtu));
for (w = 0 ; w < NCCTRL_WIN; ++w) {
unsigned int inc;
inc = max(((mtu - 40 ) * alpha[w]) / avg_pkts[w],
CC_MIN_INCR);
t4_write_reg(adap, TP_CCTRL_TABLE_A, (i << 21 ) |
(w << 16 ) | (beta[w] << 13 ) | inc);
}
}
}
/* Calculates a rate in bytes/s given the number of 256-byte units per 4K core
* clocks . The formula is
*
* bytes / s = bytes256 * 256 * ClkFreq / 4096
*
* which is equivalent to
*
* bytes / s = 62 . 5 * bytes256 * ClkFreq_ms
*/
static u64 chan_rate(struct adapter *adap, unsigned int bytes256)
{
u64 v = bytes256 * adap->params.vpd.cclk;
return v * 62 + v / 2 ;
}
/**
* t4_get_chan_txrate - get the current per channel Tx rates
* @ adap : the adapter
* @ nic_rate : rates for NIC traffic
* @ ofld_rate : rates for offloaded traffic
*
* Return the current Tx rates in bytes / s for NIC and offloaded traffic
* for each channel .
*/
void t4_get_chan_txrate(struct adapter *adap, u64 *nic_rate, u64 *ofld_rate)
{
u32 v;
v = t4_read_reg(adap, TP_TX_TRATE_A);
nic_rate[0 ] = chan_rate(adap, TNLRATE0_G(v));
nic_rate[1 ] = chan_rate(adap, TNLRATE1_G(v));
if (adap->params.arch.nchan == NCHAN) {
nic_rate[2 ] = chan_rate(adap, TNLRATE2_G(v));
nic_rate[3 ] = chan_rate(adap, TNLRATE3_G(v));
}
v = t4_read_reg(adap, TP_TX_ORATE_A);
ofld_rate[0 ] = chan_rate(adap, OFDRATE0_G(v));
ofld_rate[1 ] = chan_rate(adap, OFDRATE1_G(v));
if (adap->params.arch.nchan == NCHAN) {
ofld_rate[2 ] = chan_rate(adap, OFDRATE2_G(v));
ofld_rate[3 ] = chan_rate(adap, OFDRATE3_G(v));
}
}
/**
* t4_set_trace_filter - configure one of the tracing filters
* @ adap : the adapter
* @ tp : the desired trace filter parameters
* @ idx : which filter to configure
* @ enable : whether to enable or disable the filter
*
* Configures one of the tracing filters available in HW . If @ enable is
* % 0 @ tp is not examined and may be % NULL . The user is responsible to
* set the single / multiple trace mode by writing to MPS_TRC_CFG_A register
*/
int t4_set_trace_filter(struct adapter *adap, const struct trace_params *tp,
int idx, int enable)
{
int i, ofst = idx * 4 ;
u32 data_reg, mask_reg, cfg;
if (!enable) {
t4_write_reg(adap, MPS_TRC_FILTER_MATCH_CTL_A_A + ofst, 0 );
return 0 ;
}
cfg = t4_read_reg(adap, MPS_TRC_CFG_A);
if (cfg & TRCMULTIFILTER_F) {
/* If multiple tracers are enabled, then maximum
* capture size is 2 . 5 KB ( FIFO size of a single channel )
* minus 2 flits for CPL_TRACE_PKT header .
*/
if (tp->snap_len > ((10 * 1024 / 4 ) - (2 * 8 )))
return -EINVAL;
} else {
/* If multiple tracers are disabled, to avoid deadlocks
* maximum packet capture size of 9600 bytes is recommended .
* Also in this mode , only trace0 can be enabled and running .
*/
if (tp->snap_len > 9600 || idx)
return -EINVAL;
}
if (tp->port > (is_t4(adap->params.chip) ? 11 : 19 ) || tp->invert > 1 ||
tp->skip_len > TFLENGTH_M || tp->skip_ofst > TFOFFSET_M ||
tp->min_len > TFMINPKTSIZE_M)
return -EINVAL;
/* stop the tracer we'll be changing */
t4_write_reg(adap, MPS_TRC_FILTER_MATCH_CTL_A_A + ofst, 0 );
idx *= (MPS_TRC_FILTER1_MATCH_A - MPS_TRC_FILTER0_MATCH_A);
data_reg = MPS_TRC_FILTER0_MATCH_A + idx;
mask_reg = MPS_TRC_FILTER0_DONT_CARE_A + idx;
for (i = 0 ; i < TRACE_LEN / 4 ; i++, data_reg += 4 , mask_reg += 4 ) {
t4_write_reg(adap, data_reg, tp->data[i]);
t4_write_reg(adap, mask_reg, ~tp->mask[i]);
}
t4_write_reg(adap, MPS_TRC_FILTER_MATCH_CTL_B_A + ofst,
TFCAPTUREMAX_V(tp->snap_len) |
TFMINPKTSIZE_V(tp->min_len));
t4_write_reg(adap, MPS_TRC_FILTER_MATCH_CTL_A_A + ofst,
TFOFFSET_V(tp->skip_ofst) | TFLENGTH_V(tp->skip_len) |
(is_t4(adap->params.chip) ?
TFPORT_V(tp->port) | TFEN_F | TFINVERTMATCH_V(tp->invert) :
T5_TFPORT_V(tp->port) | T5_TFEN_F |
T5_TFINVERTMATCH_V(tp->invert)));
return 0 ;
}
/**
* t4_get_trace_filter - query one of the tracing filters
* @ adap : the adapter
* @ tp : the current trace filter parameters
* @ idx : which trace filter to query
* @ enabled : non - zero if the filter is enabled
*
* Returns the current settings of one of the HW tracing filters .
*/
void t4_get_trace_filter(struct adapter *adap, struct trace_params *tp, int idx,
int *enabled)
{
u32 ctla, ctlb;
int i, ofst = idx * 4 ;
u32 data_reg, mask_reg;
ctla = t4_read_reg(adap, MPS_TRC_FILTER_MATCH_CTL_A_A + ofst);
ctlb = t4_read_reg(adap, MPS_TRC_FILTER_MATCH_CTL_B_A + ofst);
if (is_t4(adap->params.chip)) {
*enabled = !!(ctla & TFEN_F);
tp->port = TFPORT_G(ctla);
tp->invert = !!(ctla & TFINVERTMATCH_F);
} else {
*enabled = !!(ctla & T5_TFEN_F);
tp->port = T5_TFPORT_G(ctla);
tp->invert = !!(ctla & T5_TFINVERTMATCH_F);
}
tp->snap_len = TFCAPTUREMAX_G(ctlb);
tp->min_len = TFMINPKTSIZE_G(ctlb);
tp->skip_ofst = TFOFFSET_G(ctla);
tp->skip_len = TFLENGTH_G(ctla);
ofst = (MPS_TRC_FILTER1_MATCH_A - MPS_TRC_FILTER0_MATCH_A) * idx;
data_reg = MPS_TRC_FILTER0_MATCH_A + ofst;
mask_reg = MPS_TRC_FILTER0_DONT_CARE_A + ofst;
for (i = 0 ; i < TRACE_LEN / 4 ; i++, data_reg += 4 , mask_reg += 4 ) {
tp->mask[i] = ~t4_read_reg(adap, mask_reg);
tp->data[i] = t4_read_reg(adap, data_reg) & tp->mask[i];
}
}
/**
* t4_pmtx_get_stats - returns the HW stats from PMTX
* @ adap : the adapter
* @ cnt : where to store the count statistics
* @ cycles : where to store the cycle statistics
*
* Returns performance statistics from PMTX .
*/
void t4_pmtx_get_stats(struct adapter *adap, u32 cnt[], u64 cycles[])
{
int i;
u32 data[2 ];
for (i = 0 ; i < adap->params.arch.pm_stats_cnt; i++) {
t4_write_reg(adap, PM_TX_STAT_CONFIG_A, i + 1 );
cnt[i] = t4_read_reg(adap, PM_TX_STAT_COUNT_A);
if (is_t4(adap->params.chip)) {
cycles[i] = t4_read_reg64(adap, PM_TX_STAT_LSB_A);
} else {
t4_read_indirect(adap, PM_TX_DBG_CTRL_A,
PM_TX_DBG_DATA_A, data, 2 ,
PM_TX_DBG_STAT_MSB_A);
cycles[i] = (((u64)data[0 ] << 32 ) | data[1 ]);
}
}
}
/**
* t4_pmrx_get_stats - returns the HW stats from PMRX
* @ adap : the adapter
* @ cnt : where to store the count statistics
* @ cycles : where to store the cycle statistics
*
* Returns performance statistics from PMRX .
*/
void t4_pmrx_get_stats(struct adapter *adap, u32 cnt[], u64 cycles[])
{
int i;
u32 data[2 ];
for (i = 0 ; i < adap->params.arch.pm_stats_cnt; i++) {
t4_write_reg(adap, PM_RX_STAT_CONFIG_A, i + 1 );
cnt[i] = t4_read_reg(adap, PM_RX_STAT_COUNT_A);
if (is_t4(adap->params.chip)) {
cycles[i] = t4_read_reg64(adap, PM_RX_STAT_LSB_A);
} else {
t4_read_indirect(adap, PM_RX_DBG_CTRL_A,
PM_RX_DBG_DATA_A, data, 2 ,
PM_RX_DBG_STAT_MSB_A);
cycles[i] = (((u64)data[0 ] << 32 ) | data[1 ]);
}
}
}
/**
* compute_mps_bg_map - compute the MPS Buffer Group Map for a Port
* @ adapter : the adapter
* @ pidx : the port index
*
* Computes and returns a bitmap indicating which MPS buffer groups are
* associated with the given Port . Bit i is set if buffer group i is
* used by the Port .
*/
static inline unsigned int compute_mps_bg_map(struct adapter *adapter,
int pidx)
{
unsigned int chip_version, nports;
chip_version = CHELSIO_CHIP_VERSION(adapter->params.chip);
nports = 1 << NUMPORTS_G(t4_read_reg(adapter, MPS_CMN_CTL_A));
switch (chip_version) {
case CHELSIO_T4:
case CHELSIO_T5:
switch (nports) {
case 1 : return 0 xf;
case 2 : return 3 << (2 * pidx);
case 4 : return 1 << pidx;
}
break ;
case CHELSIO_T6:
switch (nports) {
case 2 : return 1 << (2 * pidx);
}
break ;
}
dev_err(adapter->pdev_dev, "Need MPS Buffer Group Map for Chip %0x, Nports %d\n" ,
chip_version, nports);
return 0 ;
}
/**
* t4_get_mps_bg_map - return the buffer groups associated with a port
* @ adapter : the adapter
* @ pidx : the port index
*
* Returns a bitmap indicating which MPS buffer groups are associated
* with the given Port . Bit i is set if buffer group i is used by the
* Port .
*/
unsigned int t4_get_mps_bg_map(struct adapter *adapter, int pidx)
{
u8 *mps_bg_map;
unsigned int nports;
nports = 1 << NUMPORTS_G(t4_read_reg(adapter, MPS_CMN_CTL_A));
if (pidx >= nports) {
CH_WARN(adapter, "MPS Port Index %d >= Nports %d\n" ,
pidx, nports);
return 0 ;
}
/* If we've already retrieved/computed this, just return the result.
*/
mps_bg_map = adapter->params.mps_bg_map;
if (mps_bg_map[pidx])
return mps_bg_map[pidx];
/* Newer Firmware can tell us what the MPS Buffer Group Map is.
* If we ' re talking to such Firmware , let it tell us . If the new
* API isn ' t supported , revert back to old hardcoded way . The value
* obtained from Firmware is encoded in below format :
*
* val = ( ( MPSBGMAP [ Port 3 ] < < 24 ) |
* ( MPSBGMAP [ Port 2 ] < < 16 ) |
* ( MPSBGMAP [ Port 1 ] < < 8 ) |
* ( MPSBGMAP [ Port 0 ] < < 0 ) )
*/
if (adapter->flags & CXGB4_FW_OK) {
u32 param, val;
int ret;
param = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_DEV) |
FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_DEV_MPSBGMAP));
ret = t4_query_params_ns(adapter, adapter->mbox, adapter->pf,
0 , 1 , ¶m, &val);
if (!ret) {
int p;
/* Store the BG Map for all of the Ports in order to
* avoid more calls to the Firmware in the future .
*/
for (p = 0 ; p < MAX_NPORTS; p++, val >>= 8 )
mps_bg_map[p] = val & 0 xff;
return mps_bg_map[pidx];
}
}
/* Either we're not talking to the Firmware or we're dealing with
* older Firmware which doesn ' t support the new API to get the MPS
* Buffer Group Map . Fall back to computing it ourselves .
*/
mps_bg_map[pidx] = compute_mps_bg_map(adapter, pidx);
return mps_bg_map[pidx];
}
/**
* t4_get_tp_e2c_map - return the E2C channel map associated with a port
* @ adapter : the adapter
* @ pidx : the port index
*/
static unsigned int t4_get_tp_e2c_map(struct adapter *adapter, int pidx)
{
unsigned int nports;
u32 param, val = 0 ;
int ret;
nports = 1 << NUMPORTS_G(t4_read_reg(adapter, MPS_CMN_CTL_A));
if (pidx >= nports) {
CH_WARN(adapter, "TP E2C Channel Port Index %d >= Nports %d\n" ,
pidx, nports);
return 0 ;
}
/* FW version >= 1.16.44.0 can determine E2C channel map using
* FW_PARAMS_PARAM_DEV_TPCHMAP API .
*/
param = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_DEV) |
FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_DEV_TPCHMAP));
ret = t4_query_params_ns(adapter, adapter->mbox, adapter->pf,
0 , 1 , ¶m, &val);
if (!ret)
return (val >> (8 * pidx)) & 0 xff;
return 0 ;
}
/**
* t4_get_tp_ch_map - return TP ingress channels associated with a port
* @ adap : the adapter
* @ pidx : the port index
*
* Returns a bitmap indicating which TP Ingress Channels are associated
* with a given Port . Bit i is set if TP Ingress Channel i is used by
* the Port .
*/
unsigned int t4_get_tp_ch_map(struct adapter *adap, int pidx)
{
unsigned int chip_version = CHELSIO_CHIP_VERSION(adap->params.chip);
unsigned int nports = 1 << NUMPORTS_G(t4_read_reg(adap, MPS_CMN_CTL_A));
if (pidx >= nports) {
dev_warn(adap->pdev_dev, "TP Port Index %d >= Nports %d\n" ,
pidx, nports);
return 0 ;
}
switch (chip_version) {
case CHELSIO_T4:
case CHELSIO_T5:
/* Note that this happens to be the same values as the MPS
* Buffer Group Map for these Chips . But we replicate the code
* here because they ' re really separate concepts .
*/
switch (nports) {
case 1 : return 0 xf;
case 2 : return 3 << (2 * pidx);
case 4 : return 1 << pidx;
}
break ;
case CHELSIO_T6:
switch (nports) {
case 1 :
case 2 : return 1 << pidx;
}
break ;
}
dev_err(adap->pdev_dev, "Need TP Channel Map for Chip %0x, Nports %d\n" ,
chip_version, nports);
return 0 ;
}
/**
* t4_get_port_type_description - return Port Type string description
* @ port_type : firmware Port Type enumeration
*/
const char *t4_get_port_type_description(enum fw_port_type port_type)
{
static const char *const port_type_description[] = {
"Fiber_XFI" ,
"Fiber_XAUI" ,
"BT_SGMII" ,
"BT_XFI" ,
"BT_XAUI" ,
"KX4" ,
"CX4" ,
"KX" ,
"KR" ,
"SFP" ,
"BP_AP" ,
"BP4_AP" ,
"QSFP_10G" ,
"QSA" ,
"QSFP" ,
"BP40_BA" ,
"KR4_100G" ,
"CR4_QSFP" ,
"CR_QSFP" ,
"CR2_QSFP" ,
"SFP28" ,
"KR_SFP28" ,
"KR_XLAUI"
};
if (port_type < ARRAY_SIZE(port_type_description))
return port_type_description[port_type];
return "UNKNOWN" ;
}
/**
* t4_get_port_stats_offset - collect port stats relative to a previous
* snapshot
* @ adap : The adapter
* @ idx : The port
* @ stats : Current stats to fill
* @ offset : Previous stats snapshot
*/
void t4_get_port_stats_offset(struct adapter *adap, int idx,
struct port_stats *stats,
struct port_stats *offset)
{
u64 *s, *o;
int i;
t4_get_port_stats(adap, idx, stats);
for (i = 0 , s = (u64 *)stats, o = (u64 *)offset;
i < (sizeof (struct port_stats) / sizeof (u64));
i++, s++, o++)
*s -= *o;
}
/**
* t4_get_port_stats - collect port statistics
* @ adap : the adapter
* @ idx : the port index
* @ p : the stats structure to fill
*
* Collect statistics related to the given port from HW .
*/
void t4_get_port_stats(struct adapter *adap, int idx, struct port_stats *p)
{
u32 bgmap = t4_get_mps_bg_map(adap, idx);
u32 stat_ctl = t4_read_reg(adap, MPS_STAT_CTL_A);
#define GET_STAT(name) \
t4_read_reg64(adap, \
(is_t4(adap->params.chip) ? PORT_REG(idx, MPS_PORT_STAT_## name## _L) : \
T5_PORT_REG(idx, MPS_PORT_STAT_## name## _L)))
#define GET_STAT_COM(name) t4_read_reg64(adap, MPS_STAT_## name## _L)
p->tx_octets = GET_STAT(TX_PORT_BYTES);
p->tx_frames = GET_STAT(TX_PORT_FRAMES);
p->tx_bcast_frames = GET_STAT(TX_PORT_BCAST);
p->tx_mcast_frames = GET_STAT(TX_PORT_MCAST);
p->tx_ucast_frames = GET_STAT(TX_PORT_UCAST);
p->tx_error_frames = GET_STAT(TX_PORT_ERROR);
p->tx_frames_64 = GET_STAT(TX_PORT_64B);
p->tx_frames_65_127 = GET_STAT(TX_PORT_65B_127B);
p->tx_frames_128_255 = GET_STAT(TX_PORT_128B_255B);
p->tx_frames_256_511 = GET_STAT(TX_PORT_256B_511B);
p->tx_frames_512_1023 = GET_STAT(TX_PORT_512B_1023B);
p->tx_frames_1024_1518 = GET_STAT(TX_PORT_1024B_1518B);
p->tx_frames_1519_max = GET_STAT(TX_PORT_1519B_MAX);
p->tx_drop = GET_STAT(TX_PORT_DROP);
p->tx_pause = GET_STAT(TX_PORT_PAUSE);
p->tx_ppp0 = GET_STAT(TX_PORT_PPP0);
p->tx_ppp1 = GET_STAT(TX_PORT_PPP1);
p->tx_ppp2 = GET_STAT(TX_PORT_PPP2);
p->tx_ppp3 = GET_STAT(TX_PORT_PPP3);
p->tx_ppp4 = GET_STAT(TX_PORT_PPP4);
p->tx_ppp5 = GET_STAT(TX_PORT_PPP5);
p->tx_ppp6 = GET_STAT(TX_PORT_PPP6);
p->tx_ppp7 = GET_STAT(TX_PORT_PPP7);
if (CHELSIO_CHIP_VERSION(adap->params.chip) >= CHELSIO_T5) {
if (stat_ctl & COUNTPAUSESTATTX_F)
p->tx_frames_64 -= p->tx_pause;
if (stat_ctl & COUNTPAUSEMCTX_F)
p->tx_mcast_frames -= p->tx_pause;
}
p->rx_octets = GET_STAT(RX_PORT_BYTES);
p->rx_frames = GET_STAT(RX_PORT_FRAMES);
p->rx_bcast_frames = GET_STAT(RX_PORT_BCAST);
p->rx_mcast_frames = GET_STAT(RX_PORT_MCAST);
p->rx_ucast_frames = GET_STAT(RX_PORT_UCAST);
p->rx_too_long = GET_STAT(RX_PORT_MTU_ERROR);
p->rx_jabber = GET_STAT(RX_PORT_MTU_CRC_ERROR);
p->rx_fcs_err = GET_STAT(RX_PORT_CRC_ERROR);
p->rx_len_err = GET_STAT(RX_PORT_LEN_ERROR);
p->rx_symbol_err = GET_STAT(RX_PORT_SYM_ERROR);
p->rx_runt = GET_STAT(RX_PORT_LESS_64B);
p->rx_frames_64 = GET_STAT(RX_PORT_64B);
p->rx_frames_65_127 = GET_STAT(RX_PORT_65B_127B);
p->rx_frames_128_255 = GET_STAT(RX_PORT_128B_255B);
p->rx_frames_256_511 = GET_STAT(RX_PORT_256B_511B);
p->rx_frames_512_1023 = GET_STAT(RX_PORT_512B_1023B);
p->rx_frames_1024_1518 = GET_STAT(RX_PORT_1024B_1518B);
p->rx_frames_1519_max = GET_STAT(RX_PORT_1519B_MAX);
p->rx_pause = GET_STAT(RX_PORT_PAUSE);
p->rx_ppp0 = GET_STAT(RX_PORT_PPP0);
p->rx_ppp1 = GET_STAT(RX_PORT_PPP1);
p->rx_ppp2 = GET_STAT(RX_PORT_PPP2);
p->rx_ppp3 = GET_STAT(RX_PORT_PPP3);
p->rx_ppp4 = GET_STAT(RX_PORT_PPP4);
p->rx_ppp5 = GET_STAT(RX_PORT_PPP5);
p->rx_ppp6 = GET_STAT(RX_PORT_PPP6);
p->rx_ppp7 = GET_STAT(RX_PORT_PPP7);
if (CHELSIO_CHIP_VERSION(adap->params.chip) >= CHELSIO_T5) {
if (stat_ctl & COUNTPAUSESTATRX_F)
p->rx_frames_64 -= p->rx_pause;
if (stat_ctl & COUNTPAUSEMCRX_F)
p->rx_mcast_frames -= p->rx_pause;
}
p->rx_ovflow0 = (bgmap & 1 ) ? GET_STAT_COM(RX_BG_0_MAC_DROP_FRAME) : 0 ;
p->rx_ovflow1 = (bgmap & 2 ) ? GET_STAT_COM(RX_BG_1_MAC_DROP_FRAME) : 0 ;
p->rx_ovflow2 = (bgmap & 4 ) ? GET_STAT_COM(RX_BG_2_MAC_DROP_FRAME) : 0 ;
p->rx_ovflow3 = (bgmap & 8 ) ? GET_STAT_COM(RX_BG_3_MAC_DROP_FRAME) : 0 ;
p->rx_trunc0 = (bgmap & 1 ) ? GET_STAT_COM(RX_BG_0_MAC_TRUNC_FRAME) : 0 ;
p->rx_trunc1 = (bgmap & 2 ) ? GET_STAT_COM(RX_BG_1_MAC_TRUNC_FRAME) : 0 ;
p->rx_trunc2 = (bgmap & 4 ) ? GET_STAT_COM(RX_BG_2_MAC_TRUNC_FRAME) : 0 ;
p->rx_trunc3 = (bgmap & 8 ) ? GET_STAT_COM(RX_BG_3_MAC_TRUNC_FRAME) : 0 ;
#undef GET_STAT
#undef GET_STAT_COM
}
/**
* t4_get_lb_stats - collect loopback port statistics
* @ adap : the adapter
* @ idx : the loopback port index
* @ p : the stats structure to fill
*
* Return HW statistics for the given loopback port .
*/
void t4_get_lb_stats(struct adapter *adap, int idx, struct lb_port_stats *p)
{
u32 bgmap = t4_get_mps_bg_map(adap, idx);
#define GET_STAT(name) \
t4_read_reg64(adap, \
(is_t4(adap->params.chip) ? \
PORT_REG(idx, MPS_PORT_STAT_LB_PORT_## name## _L) : \
T5_PORT_REG(idx, MPS_PORT_STAT_LB_PORT_## name## _L)))
#define GET_STAT_COM(name) t4_read_reg64(adap, MPS_STAT_## name## _L)
p->octets = GET_STAT(BYTES);
p->frames = GET_STAT(FRAMES);
p->bcast_frames = GET_STAT(BCAST);
p->mcast_frames = GET_STAT(MCAST);
p->ucast_frames = GET_STAT(UCAST);
p->error_frames = GET_STAT(ERROR);
p->frames_64 = GET_STAT(64 B);
p->frames_65_127 = GET_STAT(65 B_127B);
p->frames_128_255 = GET_STAT(128 B_255B);
p->frames_256_511 = GET_STAT(256 B_511B);
p->frames_512_1023 = GET_STAT(512 B_1023B);
p->frames_1024_1518 = GET_STAT(1024 B_1518B);
p->frames_1519_max = GET_STAT(1519 B_MAX);
p->drop = GET_STAT(DROP_FRAMES);
p->ovflow0 = (bgmap & 1 ) ? GET_STAT_COM(RX_BG_0_LB_DROP_FRAME) : 0 ;
p->ovflow1 = (bgmap & 2 ) ? GET_STAT_COM(RX_BG_1_LB_DROP_FRAME) : 0 ;
p->ovflow2 = (bgmap & 4 ) ? GET_STAT_COM(RX_BG_2_LB_DROP_FRAME) : 0 ;
p->ovflow3 = (bgmap & 8 ) ? GET_STAT_COM(RX_BG_3_LB_DROP_FRAME) : 0 ;
p->trunc0 = (bgmap & 1 ) ? GET_STAT_COM(RX_BG_0_LB_TRUNC_FRAME) : 0 ;
p->trunc1 = (bgmap & 2 ) ? GET_STAT_COM(RX_BG_1_LB_TRUNC_FRAME) : 0 ;
p->trunc2 = (bgmap & 4 ) ? GET_STAT_COM(RX_BG_2_LB_TRUNC_FRAME) : 0 ;
p->trunc3 = (bgmap & 8 ) ? GET_STAT_COM(RX_BG_3_LB_TRUNC_FRAME) : 0 ;
#undef GET_STAT
#undef GET_STAT_COM
}
/* t4_mk_filtdelwr - create a delete filter WR
* @ ftid : the filter ID
* @ wr : the filter work request to populate
* @ qid : ingress queue to receive the delete notification
*
* Creates a filter work request to delete the supplied filter . If @ qid is
* negative the delete notification is suppressed .
*/
void t4_mk_filtdelwr(unsigned int ftid, struct fw_filter_wr *wr, int qid)
{
memset(wr, 0 , sizeof (*wr));
wr->op_pkd = cpu_to_be32(FW_WR_OP_V(FW_FILTER_WR));
wr->len16_pkd = cpu_to_be32(FW_WR_LEN16_V(sizeof (*wr) / 16 ));
wr->tid_to_iq = cpu_to_be32(FW_FILTER_WR_TID_V(ftid) |
FW_FILTER_WR_NOREPLY_V(qid < 0 ));
wr->del_filter_to_l2tix = cpu_to_be32(FW_FILTER_WR_DEL_FILTER_F);
if (qid >= 0 )
wr->rx_chan_rx_rpl_iq =
cpu_to_be16(FW_FILTER_WR_RX_RPL_IQ_V(qid));
}
#define INIT_CMD(var, cmd, rd_wr) do { \
(var).op_to_write = cpu_to_be32(FW_CMD_OP_V(FW_## cmd## _CMD) | \
FW_CMD_REQUEST_F | \
FW_CMD_## rd_wr## _F); \
(var).retval_len16 = cpu_to_be32(FW_LEN16(var)); \
} while (0 )
int t4_fwaddrspace_write(struct adapter *adap, unsigned int mbox,
u32 addr, u32 val)
{
u32 ldst_addrspace;
struct fw_ldst_cmd c;
memset(&c, 0 , sizeof (c));
ldst_addrspace = FW_LDST_CMD_ADDRSPACE_V(FW_LDST_ADDRSPC_FIRMWARE);
c.op_to_addrspace = cpu_to_be32(FW_CMD_OP_V(FW_LDST_CMD) |
FW_CMD_REQUEST_F |
FW_CMD_WRITE_F |
ldst_addrspace);
c.cycles_to_len16 = cpu_to_be32(FW_LEN16(c));
c.u.addrval.addr = cpu_to_be32(addr);
c.u.addrval.val = cpu_to_be32(val);
return t4_wr_mbox(adap, mbox, &c, sizeof (c), NULL);
}
/**
* t4_mdio_rd - read a PHY register through MDIO
* @ adap : the adapter
* @ mbox : mailbox to use for the FW command
* @ phy_addr : the PHY address
* @ mmd : the PHY MMD to access ( 0 for clause 22 PHYs )
* @ reg : the register to read
* @ valp : where to store the value
*
* Issues a FW command through the given mailbox to read a PHY register .
*/
int t4_mdio_rd(struct adapter *adap, unsigned int mbox, unsigned int phy_addr,
unsigned int mmd, unsigned int reg, u16 *valp)
{
int ret;
u32 ldst_addrspace;
struct fw_ldst_cmd c;
memset(&c, 0 , sizeof (c));
ldst_addrspace = FW_LDST_CMD_ADDRSPACE_V(FW_LDST_ADDRSPC_MDIO);
c.op_to_addrspace = cpu_to_be32(FW_CMD_OP_V(FW_LDST_CMD) |
FW_CMD_REQUEST_F | FW_CMD_READ_F |
ldst_addrspace);
c.cycles_to_len16 = cpu_to_be32(FW_LEN16(c));
c.u.mdio.paddr_mmd = cpu_to_be16(FW_LDST_CMD_PADDR_V(phy_addr) |
FW_LDST_CMD_MMD_V(mmd));
c.u.mdio.raddr = cpu_to_be16(reg);
ret = t4_wr_mbox(adap, mbox, &c, sizeof (c), &c);
if (ret == 0 )
*valp = be16_to_cpu(c.u.mdio.rval);
return ret;
}
/**
* t4_mdio_wr - write a PHY register through MDIO
* @ adap : the adapter
* @ mbox : mailbox to use for the FW command
* @ phy_addr : the PHY address
* @ mmd : the PHY MMD to access ( 0 for clause 22 PHYs )
* @ reg : the register to write
* @ val : value to write
*
* Issues a FW command through the given mailbox to write a PHY register .
*/
int t4_mdio_wr(struct adapter *adap, unsigned int mbox, unsigned int phy_addr,
unsigned int mmd, unsigned int reg, u16 val)
{
u32 ldst_addrspace;
struct fw_ldst_cmd c;
memset(&c, 0 , sizeof (c));
ldst_addrspace = FW_LDST_CMD_ADDRSPACE_V(FW_LDST_ADDRSPC_MDIO);
c.op_to_addrspace = cpu_to_be32(FW_CMD_OP_V(FW_LDST_CMD) |
FW_CMD_REQUEST_F | FW_CMD_WRITE_F |
ldst_addrspace);
c.cycles_to_len16 = cpu_to_be32(FW_LEN16(c));
c.u.mdio.paddr_mmd = cpu_to_be16(FW_LDST_CMD_PADDR_V(phy_addr) |
FW_LDST_CMD_MMD_V(mmd));
c.u.mdio.raddr = cpu_to_be16(reg);
c.u.mdio.rval = cpu_to_be16(val);
return t4_wr_mbox(adap, mbox, &c, sizeof (c), NULL);
}
/**
* t4_sge_decode_idma_state - decode the idma state
* @ adapter : the adapter
* @ state : the state idma is stuck in
*/
void t4_sge_decode_idma_state(struct adapter *adapter, int state)
{
static const char * const t4_decode[] = {
"IDMA_IDLE" ,
"IDMA_PUSH_MORE_CPL_FIFO" ,
"IDMA_PUSH_CPL_MSG_HEADER_TO_FIFO" ,
"Not used" ,
"IDMA_PHYSADDR_SEND_PCIEHDR" ,
"IDMA_PHYSADDR_SEND_PAYLOAD_FIRST" ,
"IDMA_PHYSADDR_SEND_PAYLOAD" ,
"IDMA_SEND_FIFO_TO_IMSG" ,
"IDMA_FL_REQ_DATA_FL_PREP" ,
"IDMA_FL_REQ_DATA_FL" ,
"IDMA_FL_DROP" ,
"IDMA_FL_H_REQ_HEADER_FL" ,
"IDMA_FL_H_SEND_PCIEHDR" ,
"IDMA_FL_H_PUSH_CPL_FIFO" ,
"IDMA_FL_H_SEND_CPL" ,
"IDMA_FL_H_SEND_IP_HDR_FIRST" ,
"IDMA_FL_H_SEND_IP_HDR" ,
"IDMA_FL_H_REQ_NEXT_HEADER_FL" ,
"IDMA_FL_H_SEND_NEXT_PCIEHDR" ,
"IDMA_FL_H_SEND_IP_HDR_PADDING" ,
"IDMA_FL_D_SEND_PCIEHDR" ,
"IDMA_FL_D_SEND_CPL_AND_IP_HDR" ,
"IDMA_FL_D_REQ_NEXT_DATA_FL" ,
"IDMA_FL_SEND_PCIEHDR" ,
"IDMA_FL_PUSH_CPL_FIFO" ,
"IDMA_FL_SEND_CPL" ,
"IDMA_FL_SEND_PAYLOAD_FIRST" ,
"IDMA_FL_SEND_PAYLOAD" ,
"IDMA_FL_REQ_NEXT_DATA_FL" ,
"IDMA_FL_SEND_NEXT_PCIEHDR" ,
"IDMA_FL_SEND_PADDING" ,
"IDMA_FL_SEND_COMPLETION_TO_IMSG" ,
"IDMA_FL_SEND_FIFO_TO_IMSG" ,
"IDMA_FL_REQ_DATAFL_DONE" ,
"IDMA_FL_REQ_HEADERFL_DONE" ,
};
static const char * const t5_decode[] = {
"IDMA_IDLE" ,
"IDMA_ALMOST_IDLE" ,
"IDMA_PUSH_MORE_CPL_FIFO" ,
"IDMA_PUSH_CPL_MSG_HEADER_TO_FIFO" ,
"IDMA_SGEFLRFLUSH_SEND_PCIEHDR" ,
"IDMA_PHYSADDR_SEND_PCIEHDR" ,
"IDMA_PHYSADDR_SEND_PAYLOAD_FIRST" ,
"IDMA_PHYSADDR_SEND_PAYLOAD" ,
"IDMA_SEND_FIFO_TO_IMSG" ,
"IDMA_FL_REQ_DATA_FL" ,
"IDMA_FL_DROP" ,
"IDMA_FL_DROP_SEND_INC" ,
"IDMA_FL_H_REQ_HEADER_FL" ,
"IDMA_FL_H_SEND_PCIEHDR" ,
"IDMA_FL_H_PUSH_CPL_FIFO" ,
"IDMA_FL_H_SEND_CPL" ,
"IDMA_FL_H_SEND_IP_HDR_FIRST" ,
"IDMA_FL_H_SEND_IP_HDR" ,
"IDMA_FL_H_REQ_NEXT_HEADER_FL" ,
"IDMA_FL_H_SEND_NEXT_PCIEHDR" ,
"IDMA_FL_H_SEND_IP_HDR_PADDING" ,
"IDMA_FL_D_SEND_PCIEHDR" ,
"IDMA_FL_D_SEND_CPL_AND_IP_HDR" ,
"IDMA_FL_D_REQ_NEXT_DATA_FL" ,
"IDMA_FL_SEND_PCIEHDR" ,
"IDMA_FL_PUSH_CPL_FIFO" ,
"IDMA_FL_SEND_CPL" ,
"IDMA_FL_SEND_PAYLOAD_FIRST" ,
"IDMA_FL_SEND_PAYLOAD" ,
"IDMA_FL_REQ_NEXT_DATA_FL" ,
"IDMA_FL_SEND_NEXT_PCIEHDR" ,
"IDMA_FL_SEND_PADDING" ,
"IDMA_FL_SEND_COMPLETION_TO_IMSG" ,
};
static const char * const t6_decode[] = {
"IDMA_IDLE" ,
"IDMA_PUSH_MORE_CPL_FIFO" ,
"IDMA_PUSH_CPL_MSG_HEADER_TO_FIFO" ,
"IDMA_SGEFLRFLUSH_SEND_PCIEHDR" ,
"IDMA_PHYSADDR_SEND_PCIEHDR" ,
"IDMA_PHYSADDR_SEND_PAYLOAD_FIRST" ,
"IDMA_PHYSADDR_SEND_PAYLOAD" ,
"IDMA_FL_REQ_DATA_FL" ,
"IDMA_FL_DROP" ,
"IDMA_FL_DROP_SEND_INC" ,
"IDMA_FL_H_REQ_HEADER_FL" ,
"IDMA_FL_H_SEND_PCIEHDR" ,
"IDMA_FL_H_PUSH_CPL_FIFO" ,
"IDMA_FL_H_SEND_CPL" ,
"IDMA_FL_H_SEND_IP_HDR_FIRST" ,
"IDMA_FL_H_SEND_IP_HDR" ,
"IDMA_FL_H_REQ_NEXT_HEADER_FL" ,
"IDMA_FL_H_SEND_NEXT_PCIEHDR" ,
"IDMA_FL_H_SEND_IP_HDR_PADDING" ,
"IDMA_FL_D_SEND_PCIEHDR" ,
"IDMA_FL_D_SEND_CPL_AND_IP_HDR" ,
"IDMA_FL_D_REQ_NEXT_DATA_FL" ,
"IDMA_FL_SEND_PCIEHDR" ,
"IDMA_FL_PUSH_CPL_FIFO" ,
"IDMA_FL_SEND_CPL" ,
"IDMA_FL_SEND_PAYLOAD_FIRST" ,
"IDMA_FL_SEND_PAYLOAD" ,
"IDMA_FL_REQ_NEXT_DATA_FL" ,
"IDMA_FL_SEND_NEXT_PCIEHDR" ,
"IDMA_FL_SEND_PADDING" ,
"IDMA_FL_SEND_COMPLETION_TO_IMSG" ,
};
static const u32 sge_regs[] = {
SGE_DEBUG_DATA_LOW_INDEX_2_A,
SGE_DEBUG_DATA_LOW_INDEX_3_A,
SGE_DEBUG_DATA_HIGH_INDEX_10_A,
};
const char **sge_idma_decode;
int sge_idma_decode_nstates;
int i;
unsigned int chip_version = CHELSIO_CHIP_VERSION(adapter->params.chip);
/* Select the right set of decode strings to dump depending on the
* adapter chip type .
*/
switch (chip_version) {
case CHELSIO_T4:
sge_idma_decode = (const char **)t4_decode;
sge_idma_decode_nstates = ARRAY_SIZE(t4_decode);
break ;
case CHELSIO_T5:
sge_idma_decode = (const char **)t5_decode;
sge_idma_decode_nstates = ARRAY_SIZE(t5_decode);
break ;
case CHELSIO_T6:
sge_idma_decode = (const char **)t6_decode;
sge_idma_decode_nstates = ARRAY_SIZE(t6_decode);
break ;
default :
dev_err(adapter->pdev_dev,
"Unsupported chip version %d\n" , chip_version);
return ;
}
if (is_t4(adapter->params.chip)) {
sge_idma_decode = (const char **)t4_decode;
sge_idma_decode_nstates = ARRAY_SIZE(t4_decode);
} else {
sge_idma_decode = (const char **)t5_decode;
sge_idma_decode_nstates = ARRAY_SIZE(t5_decode);
}
if (state < sge_idma_decode_nstates)
CH_WARN(adapter, "idma state %s\n" , sge_idma_decode[state]);
else
CH_WARN(adapter, "idma state %d unknown\n" , state);
for (i = 0 ; i < ARRAY_SIZE(sge_regs); i++)
CH_WARN(adapter, "SGE register %#x value %#x\n" ,
sge_regs[i], t4_read_reg(adapter, sge_regs[i]));
}
/**
* t4_sge_ctxt_flush - flush the SGE context cache
* @ adap : the adapter
* @ mbox : mailbox to use for the FW command
* @ ctxt_type : Egress or Ingress
*
* Issues a FW command through the given mailbox to flush the
* SGE context cache .
*/
int t4_sge_ctxt_flush(struct adapter *adap, unsigned int mbox, int ctxt_type)
{
int ret;
u32 ldst_addrspace;
struct fw_ldst_cmd c;
memset(&c, 0 , sizeof (c));
ldst_addrspace = FW_LDST_CMD_ADDRSPACE_V(ctxt_type == CTXT_EGRESS ?
FW_LDST_ADDRSPC_SGE_EGRC :
FW_LDST_ADDRSPC_SGE_INGC);
c.op_to_addrspace = cpu_to_be32(FW_CMD_OP_V(FW_LDST_CMD) |
FW_CMD_REQUEST_F | FW_CMD_READ_F |
ldst_addrspace);
c.cycles_to_len16 = cpu_to_be32(FW_LEN16(c));
c.u.idctxt.msg_ctxtflush = cpu_to_be32(FW_LDST_CMD_CTXTFLUSH_F);
ret = t4_wr_mbox(adap, mbox, &c, sizeof (c), &c);
return ret;
}
/**
* t4_read_sge_dbqtimers - read SGE Doorbell Queue Timer values
* @ adap : the adapter
* @ ndbqtimers : size of the provided SGE Doorbell Queue Timer table
* @ dbqtimers : SGE Doorbell Queue Timer table
*
* Reads the SGE Doorbell Queue Timer values into the provided table .
* Returns 0 on success ( Firmware and Hardware support this feature ) ,
* an error on failure .
*/
int t4_read_sge_dbqtimers(struct adapter *adap, unsigned int ndbqtimers,
u16 *dbqtimers)
{
int ret, dbqtimerix;
ret = 0 ;
dbqtimerix = 0 ;
while (dbqtimerix < ndbqtimers) {
int nparams, param;
u32 params[7 ], vals[7 ];
nparams = ndbqtimers - dbqtimerix;
if (nparams > ARRAY_SIZE(params))
nparams = ARRAY_SIZE(params);
for (param = 0 ; param < nparams; param++)
params[param] =
(FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_DEV) |
FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_DEV_DBQ_TIMER) |
FW_PARAMS_PARAM_Y_V(dbqtimerix + param));
ret = t4_query_params(adap, adap->mbox, adap->pf, 0 ,
nparams, params, vals);
if (ret)
break ;
for (param = 0 ; param < nparams; param++)
dbqtimers[dbqtimerix++] = vals[param];
}
return ret;
}
/**
* t4_fw_hello - establish communication with FW
* @ adap : the adapter
* @ mbox : mailbox to use for the FW command
* @ evt_mbox : mailbox to receive async FW events
* @ master : specifies the caller ' s willingness to be the device master
* @ state : returns the current device state ( if non - NULL )
*
* Issues a command to establish communication with FW . Returns either
* an error ( negative integer ) or the mailbox of the Master PF .
*/
int t4_fw_hello(struct adapter *adap, unsigned int mbox, unsigned int evt_mbox,
enum dev_master master, enum dev_state *state)
{
int ret;
struct fw_hello_cmd c;
u32 v;
unsigned int master_mbox;
int retries = FW_CMD_HELLO_RETRIES;
retry:
memset(&c, 0 , sizeof (c));
INIT_CMD(c, HELLO, WRITE);
c.err_to_clearinit = cpu_to_be32(
FW_HELLO_CMD_MASTERDIS_V(master == MASTER_CANT) |
FW_HELLO_CMD_MASTERFORCE_V(master == MASTER_MUST) |
FW_HELLO_CMD_MBMASTER_V(master == MASTER_MUST ?
mbox : FW_HELLO_CMD_MBMASTER_M) |
FW_HELLO_CMD_MBASYNCNOT_V(evt_mbox) |
FW_HELLO_CMD_STAGE_V(fw_hello_cmd_stage_os) |
FW_HELLO_CMD_CLEARINIT_F);
/*
* Issue the HELLO command to the firmware . If it ' s not successful
* but indicates that we got a " busy " or " timeout " condition , retry
* the HELLO until we exhaust our retry limit . If we do exceed our
* retry limit , check to see if the firmware left us any error
* information and report that if so .
*/
ret = t4_wr_mbox(adap, mbox, &c, sizeof (c), &c);
if (ret < 0 ) {
if ((ret == -EBUSY || ret == -ETIMEDOUT) && retries-- > 0 )
goto retry;
if (t4_read_reg(adap, PCIE_FW_A) & PCIE_FW_ERR_F)
t4_report_fw_error(adap);
return ret;
}
v = be32_to_cpu(c.err_to_clearinit);
master_mbox = FW_HELLO_CMD_MBMASTER_G(v);
if (state) {
if (v & FW_HELLO_CMD_ERR_F)
*state = DEV_STATE_ERR;
else if (v & FW_HELLO_CMD_INIT_F)
*state = DEV_STATE_INIT;
else
*state = DEV_STATE_UNINIT;
}
/*
* If we ' re not the Master PF then we need to wait around for the
* Master PF Driver to finish setting up the adapter .
*
* Note that we also do this wait if we ' re a non - Master - capable PF and
* there is no current Master PF ; a Master PF may show up momentarily
* and we wouldn ' t want to fail pointlessly . ( This can happen when an
* OS loads lots of different drivers rapidly at the same time ) . In
* this case , the Master PF returned by the firmware will be
* PCIE_FW_MASTER_M so the test below will work . . .
*/
if ((v & (FW_HELLO_CMD_ERR_F|FW_HELLO_CMD_INIT_F)) == 0 &&
master_mbox != mbox) {
int waiting = FW_CMD_HELLO_TIMEOUT;
/*
* Wait for the firmware to either indicate an error or
* initialized state . If we see either of these we bail out
* and report the issue to the caller . If we exhaust the
* " hello timeout " and we haven ' t exhausted our retries , try
* again . Otherwise bail with a timeout error .
*/
for (;;) {
u32 pcie_fw;
msleep(50 );
waiting -= 50 ;
/*
* If neither Error nor Initialized are indicated
* by the firmware keep waiting till we exhaust our
* timeout . . . and then retry if we haven ' t exhausted
* our retries . . .
*/
pcie_fw = t4_read_reg(adap, PCIE_FW_A);
if (!(pcie_fw & (PCIE_FW_ERR_F|PCIE_FW_INIT_F))) {
if (waiting <= 0 ) {
if (retries-- > 0 )
goto retry;
return -ETIMEDOUT;
}
continue ;
}
/*
* We either have an Error or Initialized condition
* report errors preferentially .
*/
if (state) {
if (pcie_fw & PCIE_FW_ERR_F)
*state = DEV_STATE_ERR;
else if (pcie_fw & PCIE_FW_INIT_F)
*state = DEV_STATE_INIT;
}
/*
* If we arrived before a Master PF was selected and
* there ' s not a valid Master PF , grab its identity
* for our caller .
*/
if (master_mbox == PCIE_FW_MASTER_M &&
(pcie_fw & PCIE_FW_MASTER_VLD_F))
master_mbox = PCIE_FW_MASTER_G(pcie_fw);
break ;
}
}
return master_mbox;
}
/**
* t4_fw_bye - end communication with FW
* @ adap : the adapter
* @ mbox : mailbox to use for the FW command
*
* Issues a command to terminate communication with FW .
*/
int t4_fw_bye(struct adapter *adap, unsigned int mbox)
{
struct fw_bye_cmd c;
memset(&c, 0 , sizeof (c));
INIT_CMD(c, BYE, WRITE);
return t4_wr_mbox(adap, mbox, &c, sizeof (c), NULL);
}
/**
* t4_early_init - ask FW to initialize the device
* @ adap : the adapter
* @ mbox : mailbox to use for the FW command
*
* Issues a command to FW to partially initialize the device . This
* performs initialization that generally doesn ' t depend on user input .
*/
int t4_early_init(struct adapter *adap, unsigned int mbox)
{
struct fw_initialize_cmd c;
memset(&c, 0 , sizeof (c));
INIT_CMD(c, INITIALIZE, WRITE);
return t4_wr_mbox(adap, mbox, &c, sizeof (c), NULL);
}
/**
* t4_fw_reset - issue a reset to FW
* @ adap : the adapter
* @ mbox : mailbox to use for the FW command
* @ reset : specifies the type of reset to perform
*
* Issues a reset command of the specified type to FW .
*/
int t4_fw_reset(struct adapter *adap, unsigned int mbox, int reset)
{
struct fw_reset_cmd c;
memset(&c, 0 , sizeof (c));
INIT_CMD(c, RESET, WRITE);
c.val = cpu_to_be32(reset);
return t4_wr_mbox(adap, mbox, &c, sizeof (c), NULL);
}
/**
* t4_fw_halt - issue a reset / halt to FW and put uP into RESET
* @ adap : the adapter
* @ mbox : mailbox to use for the FW RESET command ( if desired )
* @ force : force uP into RESET even if FW RESET command fails
*
* Issues a RESET command to firmware ( if desired ) with a HALT indication
* and then puts the microprocessor into RESET state . The RESET command
* will only be issued if a legitimate mailbox is provided ( mbox < =
* PCIE_FW_MASTER_M ) .
*
* This is generally used in order for the host to safely manipulate the
* adapter without fear of conflicting with whatever the firmware might
* be doing . The only way out of this state is to RESTART the firmware
* . . .
*/
static int t4_fw_halt(struct adapter *adap, unsigned int mbox, int force)
{
int ret = 0 ;
/*
* If a legitimate mailbox is provided , issue a RESET command
* with a HALT indication .
*/
if (mbox <= PCIE_FW_MASTER_M) {
struct fw_reset_cmd c;
memset(&c, 0 , sizeof (c));
INIT_CMD(c, RESET, WRITE);
c.val = cpu_to_be32(PIORST_F | PIORSTMODE_F);
c.halt_pkd = cpu_to_be32(FW_RESET_CMD_HALT_F);
ret = t4_wr_mbox(adap, mbox, &c, sizeof (c), NULL);
}
/*
* Normally we won ' t complete the operation if the firmware RESET
* command fails but if our caller insists we ' ll go ahead and put the
* uP into RESET . This can be useful if the firmware is hung or even
* missing . . . We ' ll have to take the risk of putting the uP into
* RESET without the cooperation of firmware in that case .
*
* We also force the firmware ' s HALT flag to be on in case we bypassed
* the firmware RESET command above or we ' re dealing with old firmware
* which doesn ' t have the HALT capability . This will serve as a flag
* for the incoming firmware to know that it ' s coming out of a HALT
* rather than a RESET . . . if it ' s new enough to understand that . . .
*/
if (ret == 0 || force) {
t4_set_reg_field(adap, CIM_BOOT_CFG_A, UPCRST_F, UPCRST_F);
t4_set_reg_field(adap, PCIE_FW_A, PCIE_FW_HALT_F,
PCIE_FW_HALT_F);
}
/*
* And we always return the result of the firmware RESET command
* even when we force the uP into RESET . . .
*/
return ret;
}
/**
* t4_fw_restart - restart the firmware by taking the uP out of RESET
* @ adap : the adapter
* @ mbox : mailbox to use for the FW command
* @ reset : if we want to do a RESET to restart things
*
* Restart firmware previously halted by t4_fw_halt ( ) . On successful
* return the previous PF Master remains as the new PF Master and there
* is no need to issue a new HELLO command , etc .
*
* We do this in two ways :
*
* 1 . If we ' re dealing with newer firmware we ' ll simply want to take
* the chip ' s microprocessor out of RESET . This will cause the
* firmware to start up from its start vector . And then we ' ll loop
* until the firmware indicates it ' s started again ( PCIE_FW . HALT
* reset to 0 ) or we timeout .
*
* 2 . If we ' re dealing with older firmware then we ' ll need to RESET
* the chip since older firmware won ' t recognize the PCIE_FW . HALT
* flag and automatically RESET itself on startup .
*/
static int t4_fw_restart(struct adapter *adap, unsigned int mbox, int reset)
{
if (reset) {
/*
* Since we ' re directing the RESET instead of the firmware
* doing it automatically , we need to clear the PCIE_FW . HALT
* bit .
*/
t4_set_reg_field(adap, PCIE_FW_A, PCIE_FW_HALT_F, 0 );
/*
* If we ' ve been given a valid mailbox , first try to get the
* firmware to do the RESET . If that works , great and we can
* return success . Otherwise , if we haven ' t been given a
* valid mailbox or the RESET command failed , fall back to
* hitting the chip with a hammer .
*/
if (mbox <= PCIE_FW_MASTER_M) {
t4_set_reg_field(adap, CIM_BOOT_CFG_A, UPCRST_F, 0 );
msleep(100 );
if (t4_fw_reset(adap, mbox,
PIORST_F | PIORSTMODE_F) == 0 )
return 0 ;
}
t4_write_reg(adap, PL_RST_A, PIORST_F | PIORSTMODE_F);
msleep(2000 );
} else {
int ms;
t4_set_reg_field(adap, CIM_BOOT_CFG_A, UPCRST_F, 0 );
for (ms = 0 ; ms < FW_CMD_MAX_TIMEOUT; ) {
if (!(t4_read_reg(adap, PCIE_FW_A) & PCIE_FW_HALT_F))
return 0 ;
msleep(100 );
ms += 100 ;
}
return -ETIMEDOUT;
}
return 0 ;
}
/**
* t4_fw_upgrade - perform all of the steps necessary to upgrade FW
* @ adap : the adapter
* @ mbox : mailbox to use for the FW RESET command ( if desired )
* @ fw_data : the firmware image to write
* @ size : image size
* @ force : force upgrade even if firmware doesn ' t cooperate
*
* Perform all of the steps necessary for upgrading an adapter ' s
* firmware image . Normally this requires the cooperation of the
* existing firmware in order to halt all existing activities
* but if an invalid mailbox token is passed in we skip that step
* ( though we ' ll still put the adapter microprocessor into RESET in
* that case ) .
*
* On successful return the new firmware will have been loaded and
* the adapter will have been fully RESET losing all previous setup
* state . On unsuccessful return the adapter may be completely hosed . . .
* positive errno indicates that the adapter is ~ probably ~ intact , a
* negative errno indicates that things are looking bad . . .
*/
int t4_fw_upgrade(struct adapter *adap, unsigned int mbox,
const u8 *fw_data, unsigned int size, int force)
{
const struct fw_hdr *fw_hdr = (const struct fw_hdr *)fw_data;
int reset, ret;
if (!t4_fw_matches_chip(adap, fw_hdr))
return -EINVAL;
/* Disable CXGB4_FW_OK flag so that mbox commands with CXGB4_FW_OK flag
* set wont be sent when we are flashing FW .
*/
adap->flags &= ~CXGB4_FW_OK;
ret = t4_fw_halt(adap, mbox, force);
if (ret < 0 && !force)
goto out;
ret = t4_load_fw(adap, fw_data, size);
if (ret < 0 )
goto out;
/*
* If there was a Firmware Configuration File stored in FLASH ,
* there ' s a good chance that it won ' t be compatible with the new
* Firmware . In order to prevent difficult to diagnose adapter
* initialization issues , we clear out the Firmware Configuration File
* portion of the FLASH . The user will need to re - FLASH a new
* Firmware Configuration File which is compatible with the new
* Firmware if that ' s desired .
*/
(void )t4_load_cfg(adap, NULL, 0 );
/*
* Older versions of the firmware don ' t understand the new
* PCIE_FW . HALT flag and so won ' t know to perform a RESET when they
* restart . So for newly loaded older firmware we ' ll have to do the
* RESET for it so it starts up on a clean slate . We can tell if
* the newly loaded firmware will handle this right by checking
* its header flags to see if it advertises the capability .
*/
reset = ((be32_to_cpu(fw_hdr->flags) & FW_HDR_FLAGS_RESET_HALT) == 0 );
ret = t4_fw_restart(adap, mbox, reset);
/* Grab potentially new Firmware Device Log parameters so we can see
* how healthy the new Firmware is . It ' s okay to contact the new
* Firmware for these parameters even though , as far as it ' s
* concerned , we ' ve never said " HELLO " to it . . .
*/
(void )t4_init_devlog_params(adap);
out:
adap->flags |= CXGB4_FW_OK;
return ret;
}
/**
* t4_fl_pkt_align - return the fl packet alignment
* @ adap : the adapter
*
* T4 has a single field to specify the packing and padding boundary .
* T5 onwards has separate fields for this and hence the alignment for
* next packet offset is maximum of these two .
*
*/
int t4_fl_pkt_align(struct adapter *adap)
{
u32 sge_control, sge_control2;
unsigned int ingpadboundary, ingpackboundary, fl_align, ingpad_shift;
sge_control = t4_read_reg(adap, SGE_CONTROL_A);
/* T4 uses a single control field to specify both the PCIe Padding and
* Packing Boundary . T5 introduced the ability to specify these
* separately . The actual Ingress Packet Data alignment boundary
* within Packed Buffer Mode is the maximum of these two
* specifications . ( Note that it makes no real practical sense to
* have the Padding Boundary be larger than the Packing Boundary but you
* could set the chip up that way and , in fact , legacy T4 code would
* end doing this because it would initialize the Padding Boundary and
* leave the Packing Boundary initialized to 0 ( 16 bytes ) . )
* Padding Boundary values in T6 starts from 8 B ,
* where as it is 32 B for T4 and T5 .
*/
if (CHELSIO_CHIP_VERSION(adap->params.chip) <= CHELSIO_T5)
ingpad_shift = INGPADBOUNDARY_SHIFT_X;
else
ingpad_shift = T6_INGPADBOUNDARY_SHIFT_X;
ingpadboundary = 1 << (INGPADBOUNDARY_G(sge_control) + ingpad_shift);
fl_align = ingpadboundary;
if (!is_t4(adap->params.chip)) {
/* T5 has a weird interpretation of one of the PCIe Packing
* Boundary values . No idea why . . .
*/
sge_control2 = t4_read_reg(adap, SGE_CONTROL2_A);
ingpackboundary = INGPACKBOUNDARY_G(sge_control2);
if (ingpackboundary == INGPACKBOUNDARY_16B_X)
ingpackboundary = 16 ;
else
ingpackboundary = 1 << (ingpackboundary +
INGPACKBOUNDARY_SHIFT_X);
fl_align = max(ingpadboundary, ingpackboundary);
}
return fl_align;
}
/**
* t4_fixup_host_params - fix up host - dependent parameters
* @ adap : the adapter
* @ page_size : the host ' s Base Page Size
* @ cache_line_size : the host ' s Cache Line Size
*
* Various registers in T4 contain values which are dependent on the
* host ' s Base Page and Cache Line Sizes . This function will fix all of
* those registers with the appropriate values as passed in . . .
*/
int t4_fixup_host_params(struct adapter *adap, unsigned int page_size,
unsigned int cache_line_size)
{
unsigned int page_shift = fls(page_size) - 1 ;
unsigned int sge_hps = page_shift - 10 ;
unsigned int stat_len = cache_line_size > 64 ? 128 : 64 ;
unsigned int fl_align = cache_line_size < 32 ? 32 : cache_line_size;
unsigned int fl_align_log = fls(fl_align) - 1 ;
t4_write_reg(adap, SGE_HOST_PAGE_SIZE_A,
HOSTPAGESIZEPF0_V(sge_hps) |
HOSTPAGESIZEPF1_V(sge_hps) |
HOSTPAGESIZEPF2_V(sge_hps) |
HOSTPAGESIZEPF3_V(sge_hps) |
HOSTPAGESIZEPF4_V(sge_hps) |
HOSTPAGESIZEPF5_V(sge_hps) |
HOSTPAGESIZEPF6_V(sge_hps) |
HOSTPAGESIZEPF7_V(sge_hps));
if (is_t4(adap->params.chip)) {
t4_set_reg_field(adap, SGE_CONTROL_A,
INGPADBOUNDARY_V(INGPADBOUNDARY_M) |
EGRSTATUSPAGESIZE_F,
INGPADBOUNDARY_V(fl_align_log -
INGPADBOUNDARY_SHIFT_X) |
EGRSTATUSPAGESIZE_V(stat_len != 64 ));
} else {
unsigned int pack_align;
unsigned int ingpad, ingpack;
/* T5 introduced the separation of the Free List Padding and
* Packing Boundaries . Thus , we can select a smaller Padding
* Boundary to avoid uselessly chewing up PCIe Link and Memory
* Bandwidth , and use a Packing Boundary which is large enough
* to avoid false sharing between CPUs , etc .
*
* For the PCI Link , the smaller the Padding Boundary the
* better . For the Memory Controller , a smaller Padding
* Boundary is better until we cross under the Memory Line
* Size ( the minimum unit of transfer to / from Memory ) . If we
* have a Padding Boundary which is smaller than the Memory
* Line Size , that ' ll involve a Read - Modify - Write cycle on the
* Memory Controller which is never good .
*/
/* We want the Packing Boundary to be based on the Cache Line
* Size in order to help avoid False Sharing performance
* issues between CPUs , etc . We also want the Packing
* Boundary to incorporate the PCI - E Maximum Payload Size . We
* get best performance when the Packing Boundary is a
* multiple of the Maximum Payload Size .
*/
pack_align = fl_align;
if (pci_is_pcie(adap->pdev)) {
unsigned int mps, mps_log;
u16 devctl;
/* The PCIe Device Control Maximum Payload Size field
* [ bits 7 : 5 ] encodes sizes as powers of 2 starting at
* 128 bytes .
*/
pcie_capability_read_word(adap->pdev, PCI_EXP_DEVCTL,
&devctl);
mps_log = ((devctl & PCI_EXP_DEVCTL_PAYLOAD) >> 5 ) + 7 ;
mps = 1 << mps_log;
if (mps > pack_align)
pack_align = mps;
}
/* N.B. T5/T6 have a crazy special interpretation of the "0"
* value for the Packing Boundary . This corresponds to 16
* bytes instead of the expected 32 bytes . So if we want 32
* bytes , the best we can really do is 64 bytes . . .
*/
if (pack_align <= 16 ) {
ingpack = INGPACKBOUNDARY_16B_X;
fl_align = 16 ;
} else if (pack_align == 32 ) {
ingpack = INGPACKBOUNDARY_64B_X;
fl_align = 64 ;
} else {
unsigned int pack_align_log = fls(pack_align) - 1 ;
ingpack = pack_align_log - INGPACKBOUNDARY_SHIFT_X;
fl_align = pack_align;
}
/* Use the smallest Ingress Padding which isn't smaller than
* the Memory Controller Read / Write Size . We ' ll take that as
* being 8 bytes since we don ' t know of any system with a
* wider Memory Controller Bus Width .
*/
if (is_t5(adap->params.chip))
ingpad = INGPADBOUNDARY_32B_X;
else
ingpad = T6_INGPADBOUNDARY_8B_X;
t4_set_reg_field(adap, SGE_CONTROL_A,
INGPADBOUNDARY_V(INGPADBOUNDARY_M) |
EGRSTATUSPAGESIZE_F,
INGPADBOUNDARY_V(ingpad) |
EGRSTATUSPAGESIZE_V(stat_len != 64 ));
t4_set_reg_field(adap, SGE_CONTROL2_A,
INGPACKBOUNDARY_V(INGPACKBOUNDARY_M),
INGPACKBOUNDARY_V(ingpack));
}
/*
* Adjust various SGE Free List Host Buffer Sizes .
*
* This is something of a crock since we ' re using fixed indices into
* the array which are also known by the sge . c code and the T4
* Firmware Configuration File . We need to come up with a much better
* approach to managing this array . For now , the first four entries
* are :
*
* 0 : Host Page Size
* 1 : 64 KB
* 2 : Buffer size corresponding to 1500 byte MTU ( unpacked mode )
* 3 : Buffer size corresponding to 9000 byte MTU ( unpacked mode )
*
* For the single - MTU buffers in unpacked mode we need to include
* space for the SGE Control Packet Shift , 14 byte Ethernet header ,
* possible 4 byte VLAN tag , all rounded up to the next Ingress Packet
* Padding boundary . All of these are accommodated in the Factory
* Default Firmware Configuration File but we need to adjust it for
* this host ' s cache line size .
*/
t4_write_reg(adap, SGE_FL_BUFFER_SIZE0_A, page_size);
t4_write_reg(adap, SGE_FL_BUFFER_SIZE2_A,
(t4_read_reg(adap, SGE_FL_BUFFER_SIZE2_A) + fl_align-1 )
& ~(fl_align-1 ));
t4_write_reg(adap, SGE_FL_BUFFER_SIZE3_A,
(t4_read_reg(adap, SGE_FL_BUFFER_SIZE3_A) + fl_align-1 )
& ~(fl_align-1 ));
t4_write_reg(adap, ULP_RX_TDDP_PSZ_A, HPZ0_V(page_shift - 12 ));
return 0 ;
}
/**
* t4_fw_initialize - ask FW to initialize the device
* @ adap : the adapter
* @ mbox : mailbox to use for the FW command
*
* Issues a command to FW to partially initialize the device . This
* performs initialization that generally doesn ' t depend on user input .
*/
int t4_fw_initialize(struct adapter *adap, unsigned int mbox)
{
struct fw_initialize_cmd c;
memset(&c, 0 , sizeof (c));
INIT_CMD(c, INITIALIZE, WRITE);
return t4_wr_mbox(adap, mbox, &c, sizeof (c), NULL);
}
/**
* t4_query_params_rw - query FW or device parameters
* @ adap : the adapter
* @ mbox : mailbox to use for the FW command
* @ pf : the PF
* @ vf : the VF
* @ nparams : the number of parameters
* @ params : the parameter names
* @ val : the parameter values
* @ rw : Write and read flag
* @ sleep_ok : if true , we may sleep awaiting mbox cmd completion
*
* Reads the value of FW or device parameters . Up to 7 parameters can be
* queried at once .
*/
int t4_query_params_rw(struct adapter *adap, unsigned int mbox, unsigned int pf,
unsigned int vf, unsigned int nparams, const u32 *params,
u32 *val, int rw, bool sleep_ok)
{
int i, ret;
struct fw_params_cmd c;
__be32 *p = &c.param[0 ].mnem;
if (nparams > 7 )
return -EINVAL;
memset(&c, 0 , sizeof (c));
c.op_to_vfn = cpu_to_be32(FW_CMD_OP_V(FW_PARAMS_CMD) |
FW_CMD_REQUEST_F | FW_CMD_READ_F |
FW_PARAMS_CMD_PFN_V(pf) |
FW_PARAMS_CMD_VFN_V(vf));
c.retval_len16 = cpu_to_be32(FW_LEN16(c));
for (i = 0 ; i < nparams; i++) {
*p++ = cpu_to_be32(*params++);
if (rw)
*p = cpu_to_be32(*(val + i));
p++;
}
ret = t4_wr_mbox_meat(adap, mbox, &c, sizeof (c), &c, sleep_ok);
if (ret == 0 )
for (i = 0 , p = &c.param[0 ].val; i < nparams; i++, p += 2 )
*val++ = be32_to_cpu(*p);
return ret;
}
int t4_query_params(struct adapter *adap, unsigned int mbox, unsigned int pf,
unsigned int vf, unsigned int nparams, const u32 *params,
u32 *val)
{
return t4_query_params_rw(adap, mbox, pf, vf, nparams, params, val, 0 ,
true );
}
int t4_query_params_ns(struct adapter *adap, unsigned int mbox, unsigned int pf,
unsigned int vf, unsigned int nparams, const u32 *params,
u32 *val)
{
return t4_query_params_rw(adap, mbox, pf, vf, nparams, params, val, 0 ,
false );
}
/**
* t4_set_params_timeout - sets FW or device parameters
* @ adap : the adapter
* @ mbox : mailbox to use for the FW command
* @ pf : the PF
* @ vf : the VF
* @ nparams : the number of parameters
* @ params : the parameter names
* @ val : the parameter values
* @ timeout : the timeout time
*
* Sets the value of FW or device parameters . Up to 7 parameters can be
* specified at once .
*/
int t4_set_params_timeout(struct adapter *adap, unsigned int mbox,
unsigned int pf, unsigned int vf,
unsigned int nparams, const u32 *params,
const u32 *val, int timeout)
{
struct fw_params_cmd c;
__be32 *p = &c.param[0 ].mnem;
if (nparams > 7 )
return -EINVAL;
memset(&c, 0 , sizeof (c));
c.op_to_vfn = cpu_to_be32(FW_CMD_OP_V(FW_PARAMS_CMD) |
FW_CMD_REQUEST_F | FW_CMD_WRITE_F |
FW_PARAMS_CMD_PFN_V(pf) |
FW_PARAMS_CMD_VFN_V(vf));
c.retval_len16 = cpu_to_be32(FW_LEN16(c));
while (nparams--) {
*p++ = cpu_to_be32(*params++);
*p++ = cpu_to_be32(*val++);
}
return t4_wr_mbox_timeout(adap, mbox, &c, sizeof (c), NULL, timeout);
}
/**
* t4_set_params - sets FW or device parameters
* @ adap : the adapter
* @ mbox : mailbox to use for the FW command
* @ pf : the PF
* @ vf : the VF
* @ nparams : the number of parameters
* @ params : the parameter names
* @ val : the parameter values
*
* Sets the value of FW or device parameters . Up to 7 parameters can be
* specified at once .
*/
int t4_set_params(struct adapter *adap, unsigned int mbox, unsigned int pf,
unsigned int vf, unsigned int nparams, const u32 *params,
const u32 *val)
{
return t4_set_params_timeout(adap, mbox, pf, vf, nparams, params, val,
FW_CMD_MAX_TIMEOUT);
}
/**
* t4_cfg_pfvf - configure PF / VF resource limits
* @ adap : the adapter
* @ mbox : mailbox to use for the FW command
* @ pf : the PF being configured
* @ vf : the VF being configured
* @ txq : the max number of egress queues
* @ txq_eth_ctrl : the max number of egress Ethernet or control queues
* @ rxqi : the max number of interrupt - capable ingress queues
* @ rxq : the max number of interruptless ingress queues
* @ tc : the PCI traffic class
* @ vi : the max number of virtual interfaces
* @ cmask : the channel access rights mask for the PF / VF
* @ pmask : the port access rights mask for the PF / VF
* @ nexact : the maximum number of exact MPS filters
* @ rcaps : read capabilities
* @ wxcaps : write / execute capabilities
*
* Configures resource limits and capabilities for a physical or virtual
* function .
*/
int t4_cfg_pfvf(struct adapter *adap, unsigned int mbox, unsigned int pf,
unsigned int vf, unsigned int txq, unsigned int txq_eth_ctrl,
unsigned int rxqi, unsigned int rxq, unsigned int tc,
unsigned int vi, unsigned int cmask, unsigned int pmask,
unsigned int nexact, unsigned int rcaps, unsigned int wxcaps)
{
struct fw_pfvf_cmd c;
memset(&c, 0 , sizeof (c));
c.op_to_vfn = cpu_to_be32(FW_CMD_OP_V(FW_PFVF_CMD) | FW_CMD_REQUEST_F |
FW_CMD_WRITE_F | FW_PFVF_CMD_PFN_V(pf) |
FW_PFVF_CMD_VFN_V(vf));
c.retval_len16 = cpu_to_be32(FW_LEN16(c));
c.niqflint_niq = cpu_to_be32(FW_PFVF_CMD_NIQFLINT_V(rxqi) |
FW_PFVF_CMD_NIQ_V(rxq));
c.type_to_neq = cpu_to_be32(FW_PFVF_CMD_CMASK_V(cmask) |
FW_PFVF_CMD_PMASK_V(pmask) |
FW_PFVF_CMD_NEQ_V(txq));
c.tc_to_nexactf = cpu_to_be32(FW_PFVF_CMD_TC_V(tc) |
FW_PFVF_CMD_NVI_V(vi) |
FW_PFVF_CMD_NEXACTF_V(nexact));
c.r_caps_to_nethctrl = cpu_to_be32(FW_PFVF_CMD_R_CAPS_V(rcaps) |
FW_PFVF_CMD_WX_CAPS_V(wxcaps) |
FW_PFVF_CMD_NETHCTRL_V(txq_eth_ctrl));
return t4_wr_mbox(adap, mbox, &c, sizeof (c), NULL);
}
/**
* t4_alloc_vi - allocate a virtual interface
* @ adap : the adapter
* @ mbox : mailbox to use for the FW command
* @ port : physical port associated with the VI
* @ pf : the PF owning the VI
* @ vf : the VF owning the VI
* @ nmac : number of MAC addresses needed ( 1 to 5 )
* @ mac : the MAC addresses of the VI
* @ rss_size : size of RSS table slice associated with this VI
* @ vivld : the destination to store the VI Valid value .
* @ vin : the destination to store the VIN value .
*
* Allocates a virtual interface for the given physical port . If @ mac is
* not % NULL it contains the MAC addresses of the VI as assigned by FW .
* @ mac should be large enough to hold @ nmac Ethernet addresses , they are
* stored consecutively so the space needed is @ nmac * 6 bytes .
* Returns a negative error number or the non - negative VI id .
*/
int t4_alloc_vi(struct adapter *adap, unsigned int mbox, unsigned int port,
unsigned int pf, unsigned int vf, unsigned int nmac, u8 *mac,
unsigned int *rss_size, u8 *vivld, u8 *vin)
{
int ret;
struct fw_vi_cmd c;
memset(&c, 0 , sizeof (c));
c.op_to_vfn = cpu_to_be32(FW_CMD_OP_V(FW_VI_CMD) | FW_CMD_REQUEST_F |
FW_CMD_WRITE_F | FW_CMD_EXEC_F |
FW_VI_CMD_PFN_V(pf) | FW_VI_CMD_VFN_V(vf));
c.alloc_to_len16 = cpu_to_be32(FW_VI_CMD_ALLOC_F | FW_LEN16(c));
c.portid_pkd = FW_VI_CMD_PORTID_V(port);
c.nmac = nmac - 1 ;
ret = t4_wr_mbox(adap, mbox, &c, sizeof (c), &c);
if (ret)
return ret;
if (mac) {
memcpy(mac, c.mac, sizeof (c.mac));
switch (nmac) {
case 5 :
memcpy(mac + 24 , c.nmac3, sizeof (c.nmac3));
fallthrough;
case 4 :
memcpy(mac + 18 , c.nmac2, sizeof (c.nmac2));
fallthrough;
case 3 :
memcpy(mac + 12 , c.nmac1, sizeof (c.nmac1));
fallthrough;
case 2 :
memcpy(mac + 6 , c.nmac0, sizeof (c.nmac0));
}
}
if (rss_size)
*rss_size = FW_VI_CMD_RSSSIZE_G(be16_to_cpu(c.rsssize_pkd));
if (vivld)
*vivld = FW_VI_CMD_VFVLD_G(be32_to_cpu(c.alloc_to_len16));
if (vin)
*vin = FW_VI_CMD_VIN_G(be32_to_cpu(c.alloc_to_len16));
return FW_VI_CMD_VIID_G(be16_to_cpu(c.type_viid));
}
/**
* t4_free_vi - free a virtual interface
* @ adap : the adapter
* @ mbox : mailbox to use for the FW command
* @ pf : the PF owning the VI
* @ vf : the VF owning the VI
* @ viid : virtual interface identifiler
*
* Free a previously allocated virtual interface .
*/
int t4_free_vi(struct adapter *adap, unsigned int mbox, unsigned int pf,
unsigned int vf, unsigned int viid)
{
struct fw_vi_cmd c;
memset(&c, 0 , sizeof (c));
c.op_to_vfn = cpu_to_be32(FW_CMD_OP_V(FW_VI_CMD) |
FW_CMD_REQUEST_F |
FW_CMD_EXEC_F |
FW_VI_CMD_PFN_V(pf) |
FW_VI_CMD_VFN_V(vf));
c.alloc_to_len16 = cpu_to_be32(FW_VI_CMD_FREE_F | FW_LEN16(c));
c.type_viid = cpu_to_be16(FW_VI_CMD_VIID_V(viid));
return t4_wr_mbox(adap, mbox, &c, sizeof (c), &c);
}
/**
* t4_set_rxmode - set Rx properties of a virtual interface
* @ adap : the adapter
* @ mbox : mailbox to use for the FW command
* @ viid : the VI id
* @ viid_mirror : the mirror VI id
* @ mtu : the new MTU or - 1
* @ promisc : 1 to enable promiscuous mode , 0 to disable it , - 1 no change
* @ all_multi : 1 to enable all - multi mode , 0 to disable it , - 1 no change
* @ bcast : 1 to enable broadcast Rx , 0 to disable it , - 1 no change
* @ vlanex : 1 to enable HW VLAN extraction , 0 to disable it , - 1 no change
* @ sleep_ok : if true we may sleep while awaiting command completion
*
* Sets Rx properties of a virtual interface .
*/
int t4_set_rxmode(struct adapter *adap, unsigned int mbox, unsigned int viid,
unsigned int viid_mirror, int mtu, int promisc, int all_multi,
int bcast, int vlanex, bool sleep_ok)
{
struct fw_vi_rxmode_cmd c, c_mirror;
int ret;
/* convert to FW values */
if (mtu < 0 )
mtu = FW_RXMODE_MTU_NO_CHG;
if (promisc < 0 )
promisc = FW_VI_RXMODE_CMD_PROMISCEN_M;
if (all_multi < 0 )
all_multi = FW_VI_RXMODE_CMD_ALLMULTIEN_M;
if (bcast < 0 )
bcast = FW_VI_RXMODE_CMD_BROADCASTEN_M;
if (vlanex < 0 )
vlanex = FW_VI_RXMODE_CMD_VLANEXEN_M;
memset(&c, 0 , sizeof (c));
c.op_to_viid = cpu_to_be32(FW_CMD_OP_V(FW_VI_RXMODE_CMD) |
FW_CMD_REQUEST_F | FW_CMD_WRITE_F |
FW_VI_RXMODE_CMD_VIID_V(viid));
c.retval_len16 = cpu_to_be32(FW_LEN16(c));
c.mtu_to_vlanexen =
cpu_to_be32(FW_VI_RXMODE_CMD_MTU_V(mtu) |
FW_VI_RXMODE_CMD_PROMISCEN_V(promisc) |
FW_VI_RXMODE_CMD_ALLMULTIEN_V(all_multi) |
FW_VI_RXMODE_CMD_BROADCASTEN_V(bcast) |
FW_VI_RXMODE_CMD_VLANEXEN_V(vlanex));
if (viid_mirror) {
memcpy(&c_mirror, &c, sizeof (c_mirror));
c_mirror.op_to_viid =
cpu_to_be32(FW_CMD_OP_V(FW_VI_RXMODE_CMD) |
FW_CMD_REQUEST_F | FW_CMD_WRITE_F |
FW_VI_RXMODE_CMD_VIID_V(viid_mirror));
}
ret = t4_wr_mbox_meat(adap, mbox, &c, sizeof (c), NULL, sleep_ok);
if (ret)
return ret;
if (viid_mirror)
ret = t4_wr_mbox_meat(adap, mbox, &c_mirror, sizeof (c_mirror),
NULL, sleep_ok);
return ret;
}
/**
* t4_free_encap_mac_filt - frees MPS entry at given index
* @ adap : the adapter
* @ viid : the VI id
* @ idx : index of MPS entry to be freed
* @ sleep_ok : call is allowed to sleep
*
* Frees the MPS entry at supplied index
*
* Returns a negative error number or zero on success
*/
int t4_free_encap_mac_filt(struct adapter *adap, unsigned int viid,
int idx, bool sleep_ok)
{
struct fw_vi_mac_exact *p;
struct fw_vi_mac_cmd c;
int ret = 0 ;
u32 exact;
memset(&c, 0 , sizeof (c));
c.op_to_viid = cpu_to_be32(FW_CMD_OP_V(FW_VI_MAC_CMD) |
FW_CMD_REQUEST_F | FW_CMD_WRITE_F |
FW_CMD_EXEC_V(0 ) |
FW_VI_MAC_CMD_VIID_V(viid));
exact = FW_VI_MAC_CMD_ENTRY_TYPE_V(FW_VI_MAC_TYPE_EXACTMAC);
c.freemacs_to_len16 = cpu_to_be32(FW_VI_MAC_CMD_FREEMACS_V(0 ) |
exact |
FW_CMD_LEN16_V(1 ));
p = c.u.exact;
p->valid_to_idx = cpu_to_be16(FW_VI_MAC_CMD_VALID_F |
FW_VI_MAC_CMD_IDX_V(idx));
eth_zero_addr(p->macaddr);
ret = t4_wr_mbox_meat(adap, adap->mbox, &c, sizeof (c), &c, sleep_ok);
return ret;
}
/**
* t4_free_raw_mac_filt - Frees a raw mac entry in mps tcam
* @ adap : the adapter
* @ viid : the VI id
* @ addr : the MAC address
* @ mask : the mask
* @ idx : index of the entry in mps tcam
* @ lookup_type : MAC address for inner ( 1 ) or outer ( 0 ) header
* @ port_id : the port index
* @ sleep_ok : call is allowed to sleep
*
* Removes the mac entry at the specified index using raw mac interface .
*
* Returns a negative error number on failure .
*/
int t4_free_raw_mac_filt(struct adapter *adap, unsigned int viid,
const u8 *addr, const u8 *mask, unsigned int idx,
u8 lookup_type, u8 port_id, bool sleep_ok)
{
struct fw_vi_mac_cmd c;
struct fw_vi_mac_raw *p = &c.u.raw;
u32 val;
memset(&c, 0 , sizeof (c));
c.op_to_viid = cpu_to_be32(FW_CMD_OP_V(FW_VI_MAC_CMD) |
FW_CMD_REQUEST_F | FW_CMD_WRITE_F |
FW_CMD_EXEC_V(0 ) |
FW_VI_MAC_CMD_VIID_V(viid));
val = FW_CMD_LEN16_V(1 ) |
FW_VI_MAC_CMD_ENTRY_TYPE_V(FW_VI_MAC_TYPE_RAW);
c.freemacs_to_len16 = cpu_to_be32(FW_VI_MAC_CMD_FREEMACS_V(0 ) |
FW_CMD_LEN16_V(val));
p->raw_idx_pkd = cpu_to_be32(FW_VI_MAC_CMD_RAW_IDX_V(idx) |
FW_VI_MAC_ID_BASED_FREE);
/* Lookup Type. Outer header: 0, Inner header: 1 */
p->data0_pkd = cpu_to_be32(DATALKPTYPE_V(lookup_type) |
DATAPORTNUM_V(port_id));
/* Lookup mask and port mask */
p->data0m_pkd = cpu_to_be64(DATALKPTYPE_V(DATALKPTYPE_M) |
DATAPORTNUM_V(DATAPORTNUM_M));
/* Copy the address and the mask */
memcpy((u8 *)&p->data1[0 ] + 2 , addr, ETH_ALEN);
memcpy((u8 *)&p->data1m[0 ] + 2 , mask, ETH_ALEN);
return t4_wr_mbox_meat(adap, adap->mbox, &c, sizeof (c), &c, sleep_ok);
}
/**
* t4_alloc_encap_mac_filt - Adds a mac entry in mps tcam with VNI support
* @ adap : the adapter
* @ viid : the VI id
* @ addr : the MAC address
* @ mask : the mask
* @ vni : the VNI id for the tunnel protocol
* @ vni_mask : mask for the VNI id
* @ dip_hit : to enable DIP match for the MPS entry
* @ lookup_type : MAC address for inner ( 1 ) or outer ( 0 ) header
* @ sleep_ok : call is allowed to sleep
*
* Allocates an MPS entry with specified MAC address and VNI value .
*
* Returns a negative error number or the allocated index for this mac .
*/
int t4_alloc_encap_mac_filt(struct adapter *adap, unsigned int viid,
const u8 *addr, const u8 *mask, unsigned int vni,
unsigned int vni_mask, u8 dip_hit, u8 lookup_type,
bool sleep_ok)
{
struct fw_vi_mac_cmd c;
struct fw_vi_mac_vni *p = c.u.exact_vni;
int ret = 0 ;
u32 val;
memset(&c, 0 , sizeof (c));
c.op_to_viid = cpu_to_be32(FW_CMD_OP_V(FW_VI_MAC_CMD) |
FW_CMD_REQUEST_F | FW_CMD_WRITE_F |
FW_VI_MAC_CMD_VIID_V(viid));
val = FW_CMD_LEN16_V(1 ) |
FW_VI_MAC_CMD_ENTRY_TYPE_V(FW_VI_MAC_TYPE_EXACTMAC_VNI);
c.freemacs_to_len16 = cpu_to_be32(val);
p->valid_to_idx = cpu_to_be16(FW_VI_MAC_CMD_VALID_F |
FW_VI_MAC_CMD_IDX_V(FW_VI_MAC_ADD_MAC));
memcpy(p->macaddr, addr, sizeof (p->macaddr));
memcpy(p->macaddr_mask, mask, sizeof (p->macaddr_mask));
p->lookup_type_to_vni =
cpu_to_be32(FW_VI_MAC_CMD_VNI_V(vni) |
FW_VI_MAC_CMD_DIP_HIT_V(dip_hit) |
FW_VI_MAC_CMD_LOOKUP_TYPE_V(lookup_type));
p->vni_mask_pkd = cpu_to_be32(FW_VI_MAC_CMD_VNI_MASK_V(vni_mask));
ret = t4_wr_mbox_meat(adap, adap->mbox, &c, sizeof (c), &c, sleep_ok);
if (ret == 0 )
ret = FW_VI_MAC_CMD_IDX_G(be16_to_cpu(p->valid_to_idx));
return ret;
}
/**
* t4_alloc_raw_mac_filt - Adds a mac entry in mps tcam
* @ adap : the adapter
* @ viid : the VI id
* @ addr : the MAC address
* @ mask : the mask
* @ idx : index at which to add this entry
* @ lookup_type : MAC address for inner ( 1 ) or outer ( 0 ) header
* @ port_id : the port index
* @ sleep_ok : call is allowed to sleep
*
* Adds the mac entry at the specified index using raw mac interface .
*
* Returns a negative error number or the allocated index for this mac .
*/
int t4_alloc_raw_mac_filt(struct adapter *adap, unsigned int viid,
const u8 *addr, const u8 *mask, unsigned int idx,
u8 lookup_type, u8 port_id, bool sleep_ok)
{
int ret = 0 ;
struct fw_vi_mac_cmd c;
struct fw_vi_mac_raw *p = &c.u.raw;
u32 val;
memset(&c, 0 , sizeof (c));
c.op_to_viid = cpu_to_be32(FW_CMD_OP_V(FW_VI_MAC_CMD) |
FW_CMD_REQUEST_F | FW_CMD_WRITE_F |
FW_VI_MAC_CMD_VIID_V(viid));
val = FW_CMD_LEN16_V(1 ) |
FW_VI_MAC_CMD_ENTRY_TYPE_V(FW_VI_MAC_TYPE_RAW);
c.freemacs_to_len16 = cpu_to_be32(val);
/* Specify that this is an inner mac address */
p->raw_idx_pkd = cpu_to_be32(FW_VI_MAC_CMD_RAW_IDX_V(idx));
/* Lookup Type. Outer header: 0, Inner header: 1 */
p->data0_pkd = cpu_to_be32(DATALKPTYPE_V(lookup_type) |
DATAPORTNUM_V(port_id));
/* Lookup mask and port mask */
p->data0m_pkd = cpu_to_be64(DATALKPTYPE_V(DATALKPTYPE_M) |
DATAPORTNUM_V(DATAPORTNUM_M));
/* Copy the address and the mask */
memcpy((u8 *)&p->data1[0 ] + 2 , addr, ETH_ALEN);
memcpy((u8 *)&p->data1m[0 ] + 2 , mask, ETH_ALEN);
ret = t4_wr_mbox_meat(adap, adap->mbox, &c, sizeof (c), &c, sleep_ok);
if (ret == 0 ) {
ret = FW_VI_MAC_CMD_RAW_IDX_G(be32_to_cpu(p->raw_idx_pkd));
if (ret != idx)
ret = -ENOMEM;
}
return ret;
}
/**
* t4_alloc_mac_filt - allocates exact - match filters for MAC addresses
* @ adap : the adapter
* @ mbox : mailbox to use for the FW command
* @ viid : the VI id
* @ free : if true any existing filters for this VI id are first removed
* @ naddr : the number of MAC addresses to allocate filters for ( up to 7 )
* @ addr : the MAC address ( es )
* @ idx : where to store the index of each allocated filter
* @ hash : pointer to hash address filter bitmap
* @ sleep_ok : call is allowed to sleep
*
* Allocates an exact - match filter for each of the supplied addresses and
* sets it to the corresponding address . If @ idx is not % NULL it should
* have at least @ naddr entries , each of which will be set to the index of
* the filter allocated for the corresponding MAC address . If a filter
* could not be allocated for an address its index is set to 0 xffff .
* If @ hash is not % NULL addresses that fail to allocate an exact filter
* are hashed and update the hash filter bitmap pointed at by @ hash .
*
* Returns a negative error number or the number of filters allocated .
*/
int t4_alloc_mac_filt(struct adapter *adap, unsigned int mbox,
unsigned int viid, bool free, unsigned int naddr,
const u8 **addr, u16 *idx, u64 *hash, bool sleep_ok)
{
int offset, ret = 0 ;
struct fw_vi_mac_cmd c;
unsigned int nfilters = 0 ;
unsigned int max_naddr = adap->params.arch.mps_tcam_size;
unsigned int rem = naddr;
if (naddr > max_naddr)
return -EINVAL;
for (offset = 0 ; offset < naddr ; /**/) {
unsigned int fw_naddr = (rem < ARRAY_SIZE(c.u.exact) ?
rem : ARRAY_SIZE(c.u.exact));
size_t len16 = DIV_ROUND_UP(offsetof(struct fw_vi_mac_cmd,
u.exact[fw_naddr]), 16 );
struct fw_vi_mac_exact *p;
int i;
memset(&c, 0 , sizeof (c));
c.op_to_viid = cpu_to_be32(FW_CMD_OP_V(FW_VI_MAC_CMD) |
FW_CMD_REQUEST_F |
FW_CMD_WRITE_F |
FW_CMD_EXEC_V(free) |
FW_VI_MAC_CMD_VIID_V(viid));
c.freemacs_to_len16 =
cpu_to_be32(FW_VI_MAC_CMD_FREEMACS_V(free) |
FW_CMD_LEN16_V(len16));
for (i = 0 , p = c.u.exact; i < fw_naddr; i++, p++) {
p->valid_to_idx =
cpu_to_be16(FW_VI_MAC_CMD_VALID_F |
FW_VI_MAC_CMD_IDX_V(
FW_VI_MAC_ADD_MAC));
memcpy(p->macaddr, addr[offset + i],
sizeof (p->macaddr));
}
/* It's okay if we run out of space in our MAC address arena.
* Some of the addresses we submit may get stored so we need
* to run through the reply to see what the results were . . .
*/
ret = t4_wr_mbox_meat(adap, mbox, &c, sizeof (c), &c, sleep_ok);
if (ret && ret != -FW_ENOMEM)
break ;
for (i = 0 , p = c.u.exact; i < fw_naddr; i++, p++) {
u16 index = FW_VI_MAC_CMD_IDX_G(
be16_to_cpu(p->valid_to_idx));
if (idx)
idx[offset + i] = (index >= max_naddr ?
0 xffff : index);
if (index < max_naddr)
nfilters++;
else if (hash)
*hash |= (1 ULL <<
hash_mac_addr(addr[offset + i]));
}
free = false ;
offset += fw_naddr;
rem -= fw_naddr;
}
if (ret == 0 || ret == -FW_ENOMEM)
ret = nfilters;
return ret;
}
/**
* t4_free_mac_filt - frees exact - match filters of given MAC addresses
* @ adap : the adapter
* @ mbox : mailbox to use for the FW command
* @ viid : the VI id
* @ naddr : the number of MAC addresses to allocate filters for ( up to 7 )
* @ addr : the MAC address ( es )
* @ sleep_ok : call is allowed to sleep
*
* Frees the exact - match filter for each of the supplied addresses
*
* Returns a negative error number or the number of filters freed .
*/
int t4_free_mac_filt(struct adapter *adap, unsigned int mbox,
unsigned int viid, unsigned int naddr,
const u8 **addr, bool sleep_ok)
{
int offset, ret = 0 ;
struct fw_vi_mac_cmd c;
unsigned int nfilters = 0 ;
unsigned int max_naddr = is_t4(adap->params.chip) ?
NUM_MPS_CLS_SRAM_L_INSTANCES :
NUM_MPS_T5_CLS_SRAM_L_INSTANCES;
unsigned int rem = naddr;
if (naddr > max_naddr)
return -EINVAL;
for (offset = 0 ; offset < (int )naddr ; /**/) {
unsigned int fw_naddr = (rem < ARRAY_SIZE(c.u.exact)
? rem
: ARRAY_SIZE(c.u.exact));
size_t len16 = DIV_ROUND_UP(offsetof(struct fw_vi_mac_cmd,
u.exact[fw_naddr]), 16 );
struct fw_vi_mac_exact *p;
int i;
memset(&c, 0 , sizeof (c));
c.op_to_viid = cpu_to_be32(FW_CMD_OP_V(FW_VI_MAC_CMD) |
FW_CMD_REQUEST_F |
FW_CMD_WRITE_F |
FW_CMD_EXEC_V(0 ) |
FW_VI_MAC_CMD_VIID_V(viid));
c.freemacs_to_len16 =
cpu_to_be32(FW_VI_MAC_CMD_FREEMACS_V(0 ) |
FW_CMD_LEN16_V(len16));
for (i = 0 , p = c.u.exact; i < (int )fw_naddr; i++, p++) {
p->valid_to_idx = cpu_to_be16(
FW_VI_MAC_CMD_VALID_F |
FW_VI_MAC_CMD_IDX_V(FW_VI_MAC_MAC_BASED_FREE));
memcpy(p->macaddr, addr[offset+i], sizeof (p->macaddr));
}
ret = t4_wr_mbox_meat(adap, mbox, &c, sizeof (c), &c, sleep_ok);
if (ret)
break ;
for (i = 0 , p = c.u.exact; i < fw_naddr; i++, p++) {
u16 index = FW_VI_MAC_CMD_IDX_G(
be16_to_cpu(p->valid_to_idx));
if (index < max_naddr)
nfilters++;
}
offset += fw_naddr;
rem -= fw_naddr;
}
if (ret == 0 )
ret = nfilters;
return ret;
}
/**
* t4_change_mac - modifies the exact - match filter for a MAC address
* @ adap : the adapter
* @ mbox : mailbox to use for the FW command
* @ viid : the VI id
* @ idx : index of existing filter for old value of MAC address , or - 1
* @ addr : the new MAC address value
* @ persist : whether a new MAC allocation should be persistent
* @ smt_idx : the destination to store the new SMT index .
*
* Modifies an exact - match filter and sets it to the new MAC address .
* Note that in general it is not possible to modify the value of a given
* filter so the generic way to modify an address filter is to free the one
* being used by the old address value and allocate a new filter for the
* new address value . @ idx can be - 1 if the address is a new addition .
*
* Returns a negative error number or the index of the filter with the new
* MAC value .
*/
int t4_change_mac(struct adapter *adap, unsigned int mbox, unsigned int viid,
int idx, const u8 *addr, bool persist, u8 *smt_idx)
{
int ret, mode;
struct fw_vi_mac_cmd c;
struct fw_vi_mac_exact *p = c.u.exact;
unsigned int max_mac_addr = adap->params.arch.mps_tcam_size;
if (idx < 0 ) /* new allocation */
idx = persist ? FW_VI_MAC_ADD_PERSIST_MAC : FW_VI_MAC_ADD_MAC;
mode = smt_idx ? FW_VI_MAC_SMT_AND_MPSTCAM : FW_VI_MAC_MPS_TCAM_ENTRY;
memset(&c, 0 , sizeof (c));
c.op_to_viid = cpu_to_be32(FW_CMD_OP_V(FW_VI_MAC_CMD) |
FW_CMD_REQUEST_F | FW_CMD_WRITE_F |
FW_VI_MAC_CMD_VIID_V(viid));
c.freemacs_to_len16 = cpu_to_be32(FW_CMD_LEN16_V(1 ));
p->valid_to_idx = cpu_to_be16(FW_VI_MAC_CMD_VALID_F |
FW_VI_MAC_CMD_SMAC_RESULT_V(mode) |
FW_VI_MAC_CMD_IDX_V(idx));
memcpy(p->macaddr, addr, sizeof (p->macaddr));
ret = t4_wr_mbox(adap, mbox, &c, sizeof (c), &c);
if (ret == 0 ) {
ret = FW_VI_MAC_CMD_IDX_G(be16_to_cpu(p->valid_to_idx));
if (ret >= max_mac_addr)
ret = -ENOMEM;
if (smt_idx) {
if (adap->params.viid_smt_extn_support) {
*smt_idx = FW_VI_MAC_CMD_SMTID_G
(be32_to_cpu(c.op_to_viid));
} else {
/* In T4/T5, SMT contains 256 SMAC entries
* organized in 128 rows of 2 entries each .
* In T6 , SMT contains 256 SMAC entries in
* 256 rows .
*/
if (CHELSIO_CHIP_VERSION(adap->params.chip) <=
CHELSIO_T5)
*smt_idx = (viid & FW_VIID_VIN_M) << 1 ;
else
*smt_idx = (viid & FW_VIID_VIN_M);
}
}
}
return ret;
}
/**
* t4_set_addr_hash - program the MAC inexact - match hash filter
* @ adap : the adapter
* @ mbox : mailbox to use for the FW command
* @ viid : the VI id
* @ ucast : whether the hash filter should also match unicast addresses
* @ vec : the value to be written to the hash filter
* @ sleep_ok : call is allowed to sleep
*
* Sets the 64 - bit inexact - match hash filter for a virtual interface .
*/
int t4_set_addr_hash(struct adapter *adap, unsigned int mbox, unsigned int viid,
bool ucast, u64 vec, bool sleep_ok)
{
struct fw_vi_mac_cmd c;
memset(&c, 0 , sizeof (c));
c.op_to_viid = cpu_to_be32(FW_CMD_OP_V(FW_VI_MAC_CMD) |
FW_CMD_REQUEST_F | FW_CMD_WRITE_F |
FW_VI_ENABLE_CMD_VIID_V(viid));
c.freemacs_to_len16 = cpu_to_be32(FW_VI_MAC_CMD_HASHVECEN_F |
FW_VI_MAC_CMD_HASHUNIEN_V(ucast) |
FW_CMD_LEN16_V(1 ));
c.u.hash.hashvec = cpu_to_be64(vec);
return t4_wr_mbox_meat(adap, mbox, &c, sizeof (c), NULL, sleep_ok);
}
/**
* t4_enable_vi_params - enable / disable a virtual interface
* @ adap : the adapter
* @ mbox : mailbox to use for the FW command
* @ viid : the VI id
* @ rx_en : 1 = enable Rx , 0 = disable Rx
* @ tx_en : 1 = enable Tx , 0 = disable Tx
* @ dcb_en : 1 = enable delivery of Data Center Bridging messages .
*
* Enables / disables a virtual interface . Note that setting DCB Enable
* only makes sense when enabling a Virtual Interface . . .
*/
int t4_enable_vi_params(struct adapter *adap, unsigned int mbox,
unsigned int viid, bool rx_en, bool tx_en, bool dcb_en)
{
struct fw_vi_enable_cmd c;
memset(&c, 0 , sizeof (c));
c.op_to_viid = cpu_to_be32(FW_CMD_OP_V(FW_VI_ENABLE_CMD) |
FW_CMD_REQUEST_F | FW_CMD_EXEC_F |
FW_VI_ENABLE_CMD_VIID_V(viid));
c.ien_to_len16 = cpu_to_be32(FW_VI_ENABLE_CMD_IEN_V(rx_en) |
FW_VI_ENABLE_CMD_EEN_V(tx_en) |
FW_VI_ENABLE_CMD_DCB_INFO_V(dcb_en) |
FW_LEN16(c));
return t4_wr_mbox_ns(adap, mbox, &c, sizeof (c), NULL);
}
/**
* t4_enable_vi - enable / disable a virtual interface
* @ adap : the adapter
* @ mbox : mailbox to use for the FW command
* @ viid : the VI id
* @ rx_en : 1 = enable Rx , 0 = disable Rx
* @ tx_en : 1 = enable Tx , 0 = disable Tx
*
* Enables / disables a virtual interface .
*/
int t4_enable_vi(struct adapter *adap, unsigned int mbox, unsigned int viid,
bool rx_en, bool tx_en)
{
return t4_enable_vi_params(adap, mbox, viid, rx_en, tx_en, 0 );
}
/**
* t4_enable_pi_params - enable / disable a Port ' s Virtual Interface
* @ adap : the adapter
* @ mbox : mailbox to use for the FW command
* @ pi : the Port Information structure
* @ rx_en : 1 = enable Rx , 0 = disable Rx
* @ tx_en : 1 = enable Tx , 0 = disable Tx
* @ dcb_en : 1 = enable delivery of Data Center Bridging messages .
*
* Enables / disables a Port ' s Virtual Interface . Note that setting DCB
* Enable only makes sense when enabling a Virtual Interface . . .
* If the Virtual Interface enable / disable operation is successful ,
* we notify the OS - specific code of a potential Link Status change
* via the OS Contract API t4_os_link_changed ( ) .
*/
int t4_enable_pi_params(struct adapter *adap, unsigned int mbox,
struct port_info *pi,
bool rx_en, bool tx_en, bool dcb_en)
{
int ret = t4_enable_vi_params(adap, mbox, pi->viid,
rx_en, tx_en, dcb_en);
if (ret)
return ret;
t4_os_link_changed(adap, pi->port_id,
rx_en && tx_en && pi->link_cfg.link_ok);
return 0 ;
}
/**
* t4_identify_port - identify a VI ' s port by blinking its LED
* @ adap : the adapter
* @ mbox : mailbox to use for the FW command
* @ viid : the VI id
* @ nblinks : how many times to blink LED at 2 . 5 Hz
*
* Identifies a VI ' s port by blinking its LED .
*/
int t4_identify_port(struct adapter *adap, unsigned int mbox, unsigned int viid,
unsigned int nblinks)
{
struct fw_vi_enable_cmd c;
memset(&c, 0 , sizeof (c));
c.op_to_viid = cpu_to_be32(FW_CMD_OP_V(FW_VI_ENABLE_CMD) |
FW_CMD_REQUEST_F | FW_CMD_EXEC_F |
FW_VI_ENABLE_CMD_VIID_V(viid));
c.ien_to_len16 = cpu_to_be32(FW_VI_ENABLE_CMD_LED_F | FW_LEN16(c));
c.blinkdur = cpu_to_be16(nblinks);
return t4_wr_mbox(adap, mbox, &c, sizeof (c), NULL);
}
/**
* t4_iq_stop - stop an ingress queue and its FLs
* @ adap : the adapter
* @ mbox : mailbox to use for the FW command
* @ pf : the PF owning the queues
* @ vf : the VF owning the queues
* @ iqtype : the ingress queue type ( FW_IQ_TYPE_FL_INT_CAP , etc . )
* @ iqid : ingress queue id
* @ fl0id : FL0 queue id or 0 xffff if no attached FL0
* @ fl1id : FL1 queue id or 0 xffff if no attached FL1
*
* Stops an ingress queue and its associated FLs , if any . This causes
* any current or future data / messages destined for these queues to be
* tossed .
*/
int t4_iq_stop(struct adapter *adap, unsigned int mbox, unsigned int pf,
unsigned int vf, unsigned int iqtype, unsigned int iqid,
unsigned int fl0id, unsigned int fl1id)
{
struct fw_iq_cmd c;
memset(&c, 0 , sizeof (c));
c.op_to_vfn = cpu_to_be32(FW_CMD_OP_V(FW_IQ_CMD) | FW_CMD_REQUEST_F |
FW_CMD_EXEC_F | FW_IQ_CMD_PFN_V(pf) |
FW_IQ_CMD_VFN_V(vf));
c.alloc_to_len16 = cpu_to_be32(FW_IQ_CMD_IQSTOP_F | FW_LEN16(c));
c.type_to_iqandstindex = cpu_to_be32(FW_IQ_CMD_TYPE_V(iqtype));
c.iqid = cpu_to_be16(iqid);
c.fl0id = cpu_to_be16(fl0id);
c.fl1id = cpu_to_be16(fl1id);
return t4_wr_mbox(adap, mbox, &c, sizeof (c), NULL);
}
/**
* t4_iq_free - free an ingress queue and its FLs
* @ adap : the adapter
* @ mbox : mailbox to use for the FW command
* @ pf : the PF owning the queues
* @ vf : the VF owning the queues
* @ iqtype : the ingress queue type
* @ iqid : ingress queue id
* @ fl0id : FL0 queue id or 0 xffff if no attached FL0
* @ fl1id : FL1 queue id or 0 xffff if no attached FL1
*
* Frees an ingress queue and its associated FLs , if any .
*/
int t4_iq_free(struct adapter *adap, unsigned int mbox, unsigned int pf,
unsigned int vf, unsigned int iqtype, unsigned int iqid,
unsigned int fl0id, unsigned int fl1id)
{
struct fw_iq_cmd c;
memset(&c, 0 , sizeof (c));
c.op_to_vfn = cpu_to_be32(FW_CMD_OP_V(FW_IQ_CMD) | FW_CMD_REQUEST_F |
FW_CMD_EXEC_F | FW_IQ_CMD_PFN_V(pf) |
FW_IQ_CMD_VFN_V(vf));
c.alloc_to_len16 = cpu_to_be32(FW_IQ_CMD_FREE_F | FW_LEN16(c));
c.type_to_iqandstindex = cpu_to_be32(FW_IQ_CMD_TYPE_V(iqtype));
c.iqid = cpu_to_be16(iqid);
c.fl0id = cpu_to_be16(fl0id);
c.fl1id = cpu_to_be16(fl1id);
return t4_wr_mbox(adap, mbox, &c, sizeof (c), NULL);
}
/**
* t4_eth_eq_free - free an Ethernet egress queue
* @ adap : the adapter
* @ mbox : mailbox to use for the FW command
* @ pf : the PF owning the queue
* @ vf : the VF owning the queue
* @ eqid : egress queue id
*
* Frees an Ethernet egress queue .
*/
int t4_eth_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf,
unsigned int vf, unsigned int eqid)
{
struct fw_eq_eth_cmd c;
memset(&c, 0 , sizeof (c));
c.op_to_vfn = cpu_to_be32(FW_CMD_OP_V(FW_EQ_ETH_CMD) |
FW_CMD_REQUEST_F | FW_CMD_EXEC_F |
FW_EQ_ETH_CMD_PFN_V(pf) |
FW_EQ_ETH_CMD_VFN_V(vf));
c.alloc_to_len16 = cpu_to_be32(FW_EQ_ETH_CMD_FREE_F | FW_LEN16(c));
c.eqid_pkd = cpu_to_be32(FW_EQ_ETH_CMD_EQID_V(eqid));
return t4_wr_mbox(adap, mbox, &c, sizeof (c), NULL);
}
/**
* t4_ctrl_eq_free - free a control egress queue
* @ adap : the adapter
* @ mbox : mailbox to use for the FW command
* @ pf : the PF owning the queue
* @ vf : the VF owning the queue
* @ eqid : egress queue id
*
* Frees a control egress queue .
*/
int t4_ctrl_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf,
unsigned int vf, unsigned int eqid)
{
struct fw_eq_ctrl_cmd c;
memset(&c, 0 , sizeof (c));
c.op_to_vfn = cpu_to_be32(FW_CMD_OP_V(FW_EQ_CTRL_CMD) |
FW_CMD_REQUEST_F | FW_CMD_EXEC_F |
FW_EQ_CTRL_CMD_PFN_V(pf) |
FW_EQ_CTRL_CMD_VFN_V(vf));
c.alloc_to_len16 = cpu_to_be32(FW_EQ_CTRL_CMD_FREE_F | FW_LEN16(c));
c.cmpliqid_eqid = cpu_to_be32(FW_EQ_CTRL_CMD_EQID_V(eqid));
return t4_wr_mbox(adap, mbox, &c, sizeof (c), NULL);
}
/**
* t4_ofld_eq_free - free an offload egress queue
* @ adap : the adapter
* @ mbox : mailbox to use for the FW command
* @ pf : the PF owning the queue
* @ vf : the VF owning the queue
* @ eqid : egress queue id
*
* Frees a control egress queue .
*/
int t4_ofld_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf,
unsigned int vf, unsigned int eqid)
{
struct fw_eq_ofld_cmd c;
memset(&c, 0 , sizeof (c));
c.op_to_vfn = cpu_to_be32(FW_CMD_OP_V(FW_EQ_OFLD_CMD) |
FW_CMD_REQUEST_F | FW_CMD_EXEC_F |
FW_EQ_OFLD_CMD_PFN_V(pf) |
FW_EQ_OFLD_CMD_VFN_V(vf));
c.alloc_to_len16 = cpu_to_be32(FW_EQ_OFLD_CMD_FREE_F | FW_LEN16(c));
c.eqid_pkd = cpu_to_be32(FW_EQ_OFLD_CMD_EQID_V(eqid));
return t4_wr_mbox(adap, mbox, &c, sizeof (c), NULL);
}
/**
* t4_link_down_rc_str - return a string for a Link Down Reason Code
* @ link_down_rc : Link Down Reason Code
*
* Returns a string representation of the Link Down Reason Code .
*/
static const char *t4_link_down_rc_str(unsigned char link_down_rc)
{
static const char * const reason[] = {
"Link Down" ,
"Remote Fault" ,
"Auto-negotiation Failure" ,
"Reserved" ,
"Insufficient Airflow" ,
"Unable To Determine Reason" ,
"No RX Signal Detected" ,
"Reserved" ,
};
if (link_down_rc >= ARRAY_SIZE(reason))
return "Bad Reason Code" ;
return reason[link_down_rc];
}
/* Return the highest speed set in the port capabilities, in Mb/s. */
static unsigned int fwcap_to_speed(fw_port_cap32_t caps)
{
#define TEST_SPEED_RETURN(__caps_speed, __speed) \
do { \
if (caps & FW_PORT_CAP32_SPEED_## __caps_speed) \
return __speed; \
} while (0 )
TEST_SPEED_RETURN(400 G, 400000 );
TEST_SPEED_RETURN(200 G, 200000 );
TEST_SPEED_RETURN(100 G, 100000 );
TEST_SPEED_RETURN(50 G, 50000 );
TEST_SPEED_RETURN(40 G, 40000 );
TEST_SPEED_RETURN(25 G, 25000 );
TEST_SPEED_RETURN(10 G, 10000 );
TEST_SPEED_RETURN(1 G, 1000 );
TEST_SPEED_RETURN(100 M, 100 );
#undef TEST_SPEED_RETURN
return 0 ;
}
/**
* fwcap_to_fwspeed - return highest speed in Port Capabilities
* @ acaps : advertised Port Capabilities
*
* Get the highest speed for the port from the advertised Port
* Capabilities . It will be either the highest speed from the list of
* speeds or whatever user has set using ethtool .
*/
static fw_port_cap32_t fwcap_to_fwspeed(fw_port_cap32_t acaps)
{
#define TEST_SPEED_RETURN(__caps_speed) \
do { \
if (acaps & FW_PORT_CAP32_SPEED_## __caps_speed) \
return FW_PORT_CAP32_SPEED_## __caps_speed; \
} while (0 )
TEST_SPEED_RETURN(400 G);
TEST_SPEED_RETURN(200 G);
TEST_SPEED_RETURN(100 G);
TEST_SPEED_RETURN(50 G);
TEST_SPEED_RETURN(40 G);
TEST_SPEED_RETURN(25 G);
TEST_SPEED_RETURN(10 G);
TEST_SPEED_RETURN(1 G);
TEST_SPEED_RETURN(100 M);
#undef TEST_SPEED_RETURN
return 0 ;
}
/**
* lstatus_to_fwcap - translate old lstatus to 32 - bit Port Capabilities
* @ lstatus : old FW_PORT_ACTION_GET_PORT_INFO lstatus value
*
* Translates old FW_PORT_ACTION_GET_PORT_INFO lstatus field into new
* 32 - bit Port Capabilities value .
*/
static fw_port_cap32_t lstatus_to_fwcap(u32 lstatus)
{
fw_port_cap32_t linkattr = 0 ;
/* Unfortunately the format of the Link Status in the old
* 16 - bit Port Information message isn ' t the same as the
* 16 - bit Port Capabilities bitfield used everywhere else . . .
*/
if (lstatus & FW_PORT_CMD_RXPAUSE_F)
linkattr |= FW_PORT_CAP32_FC_RX;
if (lstatus & FW_PORT_CMD_TXPAUSE_F)
linkattr |= FW_PORT_CAP32_FC_TX;
if (lstatus & FW_PORT_CMD_LSPEED_V(FW_PORT_CAP_SPEED_100M))
linkattr |= FW_PORT_CAP32_SPEED_100M;
if (lstatus & FW_PORT_CMD_LSPEED_V(FW_PORT_CAP_SPEED_1G))
linkattr |= FW_PORT_CAP32_SPEED_1G;
if (lstatus & FW_PORT_CMD_LSPEED_V(FW_PORT_CAP_SPEED_10G))
linkattr |= FW_PORT_CAP32_SPEED_10G;
if (lstatus & FW_PORT_CMD_LSPEED_V(FW_PORT_CAP_SPEED_25G))
linkattr |= FW_PORT_CAP32_SPEED_25G;
if (lstatus & FW_PORT_CMD_LSPEED_V(FW_PORT_CAP_SPEED_40G))
linkattr |= FW_PORT_CAP32_SPEED_40G;
if (lstatus & FW_PORT_CMD_LSPEED_V(FW_PORT_CAP_SPEED_100G))
linkattr |= FW_PORT_CAP32_SPEED_100G;
return linkattr;
}
/**
* t4_handle_get_port_info - process a FW reply message
* @ pi : the port info
* @ rpl : start of the FW message
*
* Processes a GET_PORT_INFO FW reply message .
*/
void t4_handle_get_port_info(struct port_info *pi, const __be64 *rpl)
{
const struct fw_port_cmd *cmd = (const void *)rpl;
fw_port_cap32_t pcaps, acaps, lpacaps, linkattr;
struct link_config *lc = &pi->link_cfg;
struct adapter *adapter = pi->adapter;
unsigned int speed, fc, fec, adv_fc;
enum fw_port_module_type mod_type;
int action, link_ok, linkdnrc;
enum fw_port_type port_type;
/* Extract the various fields from the Port Information message.
*/
action = FW_PORT_CMD_ACTION_G(be32_to_cpu(cmd->action_to_len16));
switch (action) {
case FW_PORT_ACTION_GET_PORT_INFO: {
u32 lstatus = be32_to_cpu(cmd->u.info.lstatus_to_modtype);
link_ok = (lstatus & FW_PORT_CMD_LSTATUS_F) != 0 ;
linkdnrc = FW_PORT_CMD_LINKDNRC_G(lstatus);
port_type = FW_PORT_CMD_PTYPE_G(lstatus);
mod_type = FW_PORT_CMD_MODTYPE_G(lstatus);
pcaps = fwcaps16_to_caps32(be16_to_cpu(cmd->u.info.pcap));
acaps = fwcaps16_to_caps32(be16_to_cpu(cmd->u.info.acap));
lpacaps = fwcaps16_to_caps32(be16_to_cpu(cmd->u.info.lpacap));
linkattr = lstatus_to_fwcap(lstatus);
break ;
}
case FW_PORT_ACTION_GET_PORT_INFO32: {
u32 lstatus32;
lstatus32 = be32_to_cpu(cmd->u.info32.lstatus32_to_cbllen32);
link_ok = (lstatus32 & FW_PORT_CMD_LSTATUS32_F) != 0 ;
linkdnrc = FW_PORT_CMD_LINKDNRC32_G(lstatus32);
port_type = FW_PORT_CMD_PORTTYPE32_G(lstatus32);
mod_type = FW_PORT_CMD_MODTYPE32_G(lstatus32);
pcaps = be32_to_cpu(cmd->u.info32.pcaps32);
acaps = be32_to_cpu(cmd->u.info32.acaps32);
lpacaps = be32_to_cpu(cmd->u.info32.lpacaps32);
linkattr = be32_to_cpu(cmd->u.info32.linkattr32);
break ;
}
default :
dev_err(adapter->pdev_dev, "Handle Port Information: Bad Command/Action %#x\n" ,
be32_to_cpu(cmd->action_to_len16));
return ;
}
fec = fwcap_to_cc_fec(acaps);
adv_fc = fwcap_to_cc_pause(acaps);
fc = fwcap_to_cc_pause(linkattr);
speed = fwcap_to_speed(linkattr);
/* Reset state for communicating new Transceiver Module status and
* whether the OS - dependent layer wants us to redo the current
* " sticky " L1 Configure Link Parameters .
*/
lc->new_module = false ;
lc->redo_l1cfg = false ;
if (mod_type != pi->mod_type) {
/* With the newer SFP28 and QSFP28 Transceiver Module Types,
* various fundamental Port Capabilities which used to be
* immutable can now change radically . We can now have
* Speeds , Auto - Negotiation , Forward Error Correction , etc .
* all change based on what Transceiver Module is inserted .
* So we need to record the Physical " Port " Capabilities on
* every Transceiver Module change .
*/
lc->pcaps = pcaps;
/* When a new Transceiver Module is inserted, the Firmware
* will examine its i2c EPROM to determine its type and
* general operating parameters including things like Forward
* Error Control , etc . Various IEEE 802 . 3 standards dictate
* how to interpret these i2c values to determine default
* " sutomatic " settings . We record these for future use when
* the user explicitly requests these standards - based values .
*/
lc->def_acaps = acaps;
/* Some versions of the early T6 Firmware "cheated" when
* handling different Transceiver Modules by changing the
* underlaying Port Type reported to the Host Drivers . As
* such we need to capture whatever Port Type the Firmware
* sends us and record it in case it ' s different from what we
* were told earlier . Unfortunately , since Firmware is
* forever , we ' ll need to keep this code here forever , but in
* later T6 Firmware it should just be an assignment of the
* same value already recorded .
*/
pi->port_type = port_type;
/* Record new Module Type information.
*/
pi->mod_type = mod_type;
/* Let the OS-dependent layer know if we have a new
* Transceiver Module inserted .
*/
lc->new_module = t4_is_inserted_mod_type(mod_type);
t4_os_portmod_changed(adapter, pi->port_id);
}
if (link_ok != lc->link_ok || speed != lc->speed ||
fc != lc->fc || adv_fc != lc->advertised_fc ||
fec != lc->fec) {
/* something changed */
if (!link_ok && lc->link_ok) {
lc->link_down_rc = linkdnrc;
dev_warn_ratelimited(adapter->pdev_dev,
"Port %d link down, reason: %s\n" ,
pi->tx_chan,
t4_link_down_rc_str(linkdnrc));
}
lc->link_ok = link_ok;
lc->speed = speed;
lc->advertised_fc = adv_fc;
lc->fc = fc;
lc->fec = fec;
lc->lpacaps = lpacaps;
lc->acaps = acaps & ADVERT_MASK;
/* If we're not physically capable of Auto-Negotiation, note
* this as Auto - Negotiation disabled . Otherwise , we track
* what Auto - Negotiation settings we have . Note parallel
* structure in t4_link_l1cfg_core ( ) and init_link_config ( ) .
*/
if (!(lc->acaps & FW_PORT_CAP32_ANEG)) {
lc->autoneg = AUTONEG_DISABLE;
} else if (lc->acaps & FW_PORT_CAP32_ANEG) {
lc->autoneg = AUTONEG_ENABLE;
} else {
/* When Autoneg is disabled, user needs to set
* single speed .
* Similar to cxgb4_ethtool . c : set_link_ksettings
*/
lc->acaps = 0 ;
lc->speed_caps = fwcap_to_fwspeed(acaps);
lc->autoneg = AUTONEG_DISABLE;
}
t4_os_link_changed(adapter, pi->port_id, link_ok);
}
/* If we have a new Transceiver Module and the OS-dependent code has
* told us that it wants us to redo whatever " sticky " L1 Configuration
* Link Parameters are set , do that now .
*/
if (lc->new_module && lc->redo_l1cfg) {
struct link_config old_lc;
int ret;
/* Save the current L1 Configuration and restore it if an
* error occurs . We probably should fix the l1_cfg * ( )
* routines not to change the link_config when an error
* occurs . . .
*/
old_lc = *lc;
ret = t4_link_l1cfg_ns(adapter, adapter->mbox, pi->lport, lc);
if (ret) {
*lc = old_lc;
dev_warn(adapter->pdev_dev,
"Attempt to update new Transceiver Module settings failed\n" );
}
}
lc->new_module = false ;
lc->redo_l1cfg = false ;
}
/**
* t4_update_port_info - retrieve and update port information if changed
* @ pi : the port_info
*
* We issue a Get Port Information Command to the Firmware and , if
* successful , we check to see if anything is different from what we
* last recorded and update things accordingly .
*/
int t4_update_port_info(struct port_info *pi)
{
unsigned int fw_caps = pi->adapter->params.fw_caps_support;
struct fw_port_cmd port_cmd;
int ret;
memset(&port_cmd, 0 , sizeof (port_cmd));
port_cmd.op_to_portid = cpu_to_be32(FW_CMD_OP_V(FW_PORT_CMD) |
FW_CMD_REQUEST_F | FW_CMD_READ_F |
FW_PORT_CMD_PORTID_V(pi->tx_chan));
port_cmd.action_to_len16 = cpu_to_be32(
FW_PORT_CMD_ACTION_V(fw_caps == FW_CAPS16
? FW_PORT_ACTION_GET_PORT_INFO
: FW_PORT_ACTION_GET_PORT_INFO32) |
FW_LEN16(port_cmd));
ret = t4_wr_mbox(pi->adapter, pi->adapter->mbox,
&port_cmd, sizeof (port_cmd), &port_cmd);
if (ret)
return ret;
t4_handle_get_port_info(pi, (__be64 *)&port_cmd);
return 0 ;
}
/**
* t4_get_link_params - retrieve basic link parameters for given port
* @ pi : the port
* @ link_okp : value return pointer for link up / down
* @ speedp : value return pointer for speed ( Mb / s )
* @ mtup : value return pointer for mtu
*
* Retrieves basic link parameters for a port : link up / down , speed ( Mb / s ) ,
* and MTU for a specified port . A negative error is returned on
* failure ; 0 on success .
*/
int t4_get_link_params(struct port_info *pi, unsigned int *link_okp,
unsigned int *speedp, unsigned int *mtup)
{
unsigned int fw_caps = pi->adapter->params.fw_caps_support;
unsigned int action, link_ok, mtu;
struct fw_port_cmd port_cmd;
fw_port_cap32_t linkattr;
int ret;
memset(&port_cmd, 0 , sizeof (port_cmd));
port_cmd.op_to_portid = cpu_to_be32(FW_CMD_OP_V(FW_PORT_CMD) |
FW_CMD_REQUEST_F | FW_CMD_READ_F |
FW_PORT_CMD_PORTID_V(pi->tx_chan));
action = (fw_caps == FW_CAPS16
? FW_PORT_ACTION_GET_PORT_INFO
: FW_PORT_ACTION_GET_PORT_INFO32);
port_cmd.action_to_len16 = cpu_to_be32(
FW_PORT_CMD_ACTION_V(action) |
FW_LEN16(port_cmd));
ret = t4_wr_mbox(pi->adapter, pi->adapter->mbox,
&port_cmd, sizeof (port_cmd), &port_cmd);
if (ret)
return ret;
if (action == FW_PORT_ACTION_GET_PORT_INFO) {
u32 lstatus = be32_to_cpu(port_cmd.u.info.lstatus_to_modtype);
link_ok = !!(lstatus & FW_PORT_CMD_LSTATUS_F);
linkattr = lstatus_to_fwcap(lstatus);
mtu = be16_to_cpu(port_cmd.u.info.mtu);
} else {
u32 lstatus32 =
be32_to_cpu(port_cmd.u.info32.lstatus32_to_cbllen32);
link_ok = !!(lstatus32 & FW_PORT_CMD_LSTATUS32_F);
linkattr = be32_to_cpu(port_cmd.u.info32.linkattr32);
mtu = FW_PORT_CMD_MTU32_G(
be32_to_cpu(port_cmd.u.info32.auxlinfo32_mtu32));
}
if (link_okp)
*link_okp = link_ok;
if (speedp)
*speedp = fwcap_to_speed(linkattr);
if (mtup)
*mtup = mtu;
return 0 ;
}
/**
* t4_handle_fw_rpl - process a FW reply message
* @ adap : the adapter
* @ rpl : start of the FW message
*
* Processes a FW message , such as link state change messages .
*/
int t4_handle_fw_rpl(struct adapter *adap, const __be64 *rpl)
{
u8 opcode = *(const u8 *)rpl;
/* This might be a port command ... this simplifies the following
* conditionals . . . We can get away with pre - dereferencing
* action_to_len16 because it ' s in the first 16 bytes and all messages
* will be at least that long .
*/
const struct fw_port_cmd *p = (const void *)rpl;
unsigned int action =
FW_PORT_CMD_ACTION_G(be32_to_cpu(p->action_to_len16));
if (opcode == FW_PORT_CMD &&
(action == FW_PORT_ACTION_GET_PORT_INFO ||
action == FW_PORT_ACTION_GET_PORT_INFO32)) {
int i;
int chan = FW_PORT_CMD_PORTID_G(be32_to_cpu(p->op_to_portid));
struct port_info *pi = NULL;
for_each_port(adap, i) {
pi = adap2pinfo(adap, i);
if (pi->tx_chan == chan)
break ;
}
t4_handle_get_port_info(pi, rpl);
} else {
dev_warn(adap->pdev_dev, "Unknown firmware reply %d\n" ,
opcode);
return -EINVAL;
}
return 0 ;
}
static void get_pci_mode(struct adapter *adapter, struct pci_params *p)
{
u16 val;
if (pci_is_pcie(adapter->pdev)) {
pcie_capability_read_word(adapter->pdev, PCI_EXP_LNKSTA, &val);
p->speed = val & PCI_EXP_LNKSTA_CLS;
p->width = (val & PCI_EXP_LNKSTA_NLW) >> 4 ;
}
}
/**
* init_link_config - initialize a link ' s SW state
* @ lc : pointer to structure holding the link state
* @ pcaps : link Port Capabilities
* @ acaps : link current Advertised Port Capabilities
*
* Initializes the SW state maintained for each link , including the link ' s
* capabilities and default speed / flow - control / autonegotiation settings .
*/
static void init_link_config(struct link_config *lc, fw_port_cap32_t pcaps,
fw_port_cap32_t acaps)
{
lc->pcaps = pcaps;
lc->def_acaps = acaps;
lc->lpacaps = 0 ;
lc->speed_caps = 0 ;
lc->speed = 0 ;
lc->requested_fc = lc->fc = PAUSE_RX | PAUSE_TX;
/* For Forward Error Control, we default to whatever the Firmware
* tells us the Link is currently advertising .
*/
lc->requested_fec = FEC_AUTO;
lc->fec = fwcap_to_cc_fec(lc->def_acaps);
/* If the Port is capable of Auto-Negtotiation, initialize it as
* " enabled " and copy over all of the Physical Port Capabilities
* to the Advertised Port Capabilities . Otherwise mark it as
* Auto - Negotiate disabled and select the highest supported speed
* for the link . Note parallel structure in t4_link_l1cfg_core ( )
* and t4_handle_get_port_info ( ) .
*/
if (lc->pcaps & FW_PORT_CAP32_ANEG) {
lc->acaps = lc->pcaps & ADVERT_MASK;
lc->autoneg = AUTONEG_ENABLE;
lc->requested_fc |= PAUSE_AUTONEG;
} else {
lc->acaps = 0 ;
lc->autoneg = AUTONEG_DISABLE;
lc->speed_caps = fwcap_to_fwspeed(acaps);
}
}
#define CIM_PF_NOACCESS 0 xeeeeeeee
int t4_wait_dev_ready(void __iomem *regs)
{
u32 whoami;
whoami = readl(regs + PL_WHOAMI_A);
if (whoami != 0 xffffffff && whoami != CIM_PF_NOACCESS)
return 0 ;
msleep(500 );
whoami = readl(regs + PL_WHOAMI_A);
return (whoami != 0 xffffffff && whoami != CIM_PF_NOACCESS ? 0 : -EIO);
}
struct flash_desc {
u32 vendor_and_model_id;
u32 size_mb;
};
static int t4_get_flash_params(struct adapter *adap)
{
/* Table for non-Numonix supported flash parts. Numonix parts are left
* to the preexisting code . All flash parts have 64 KB sectors .
*/
static struct flash_desc supported_flash[] = {
{ 0 x150201, 4 << 20 }, /* Spansion 4MB S25FL032P */
};
unsigned int part, manufacturer;
unsigned int density, size = 0 ;
u32 flashid = 0 ;
int ret;
/* Issue a Read ID Command to the Flash part. We decode supported
* Flash parts and their sizes from this . There ' s a newer Query
* Command which can retrieve detailed geometry information but many
* Flash parts don ' t support it .
*/
ret = sf1_write(adap, 1 , 1 , 0 , SF_RD_ID);
if (!ret)
ret = sf1_read(adap, 3 , 0 , 1 , &flashid);
t4_write_reg(adap, SF_OP_A, 0 ); /* unlock SF */
if (ret)
return ret;
/* Check to see if it's one of our non-standard supported Flash parts.
*/
for (part = 0 ; part < ARRAY_SIZE(supported_flash); part++)
if (supported_flash[part].vendor_and_model_id == flashid) {
adap->params.sf_size = supported_flash[part].size_mb;
adap->params.sf_nsec =
adap->params.sf_size / SF_SEC_SIZE;
goto found;
}
/* Decode Flash part size. The code below looks repetitive with
* common encodings , but that ' s not guaranteed in the JEDEC
* specification for the Read JEDEC ID command . The only thing that
* we ' re guaranteed by the JEDEC specification is where the
* Manufacturer ID is in the returned result . After that each
* Manufacturer ~ could ~ encode things completely differently .
* Note , all Flash parts must have 64 KB sectors .
*/
manufacturer = flashid & 0 xff;
switch (manufacturer) {
case 0 x20: { /* Micron/Numonix */
/* This Density -> Size decoding table is taken from Micron
* Data Sheets .
*/
density = (flashid >> 16 ) & 0 xff;
switch (density) {
case 0 x14: /* 1MB */
size = 1 << 20 ;
break ;
case 0 x15: /* 2MB */
size = 1 << 21 ;
break ;
case 0 x16: /* 4MB */
size = 1 << 22 ;
break ;
case 0 x17: /* 8MB */
size = 1 << 23 ;
break ;
case 0 x18: /* 16MB */
size = 1 << 24 ;
break ;
case 0 x19: /* 32MB */
size = 1 << 25 ;
break ;
case 0 x20: /* 64MB */
size = 1 << 26 ;
break ;
case 0 x21: /* 128MB */
size = 1 << 27 ;
break ;
case 0 x22: /* 256MB */
size = 1 << 28 ;
break ;
}
break ;
}
case 0 x9d: { /* ISSI -- Integrated Silicon Solution, Inc. */
/* This Density -> Size decoding table is taken from ISSI
* Data Sheets .
*/
density = (flashid >> 16 ) & 0 xff;
switch (density) {
case 0 x16: /* 32 MB */
size = 1 << 25 ;
break ;
case 0 x17: /* 64MB */
size = 1 << 26 ;
break ;
}
break ;
}
case 0 xc2: { /* Macronix */
/* This Density -> Size decoding table is taken from Macronix
* Data Sheets .
*/
density = (flashid >> 16 ) & 0 xff;
switch (density) {
case 0 x17: /* 8MB */
size = 1 << 23 ;
break ;
case 0 x18: /* 16MB */
size = 1 << 24 ;
break ;
}
break ;
}
case 0 xef: { /* Winbond */
/* This Density -> Size decoding table is taken from Winbond
* Data Sheets .
*/
density = (flashid >> 16 ) & 0 xff;
switch (density) {
case 0 x17: /* 8MB */
size = 1 << 23 ;
break ;
case 0 x18: /* 16MB */
size = 1 << 24 ;
break ;
}
break ;
}
}
/* If we didn't recognize the FLASH part, that's no real issue: the
* Hardware / Software contract says that Hardware will _ * ALWAYS * _
* use a FLASH part which is at least 4 MB in size and has 64 KB
* sectors . The unrecognized FLASH part is likely to be much larger
* than 4 MB , but that ' s all we really need .
*/
if (size == 0 ) {
dev_warn(adap->pdev_dev, "Unknown Flash Part, ID = %#x, assuming 4MB\n" ,
flashid);
size = 1 << 22 ;
}
/* Store decoded Flash size and fall through into vetting code. */
adap->params.sf_size = size;
adap->params.sf_nsec = size / SF_SEC_SIZE;
found:
if (adap->params.sf_size < FLASH_MIN_SIZE)
dev_warn(adap->pdev_dev, "WARNING: Flash Part ID %#x, size %#x < %#x\n" ,
flashid, adap->params.sf_size, FLASH_MIN_SIZE);
return 0 ;
}
/**
* t4_prep_adapter - prepare SW and HW for operation
* @ adapter : the adapter
*
* Initialize adapter SW state for the various HW modules , set initial
* values for some adapter tunables , take PHYs out of reset , and
* initialize the MDIO interface .
*/
int t4_prep_adapter(struct adapter *adapter)
{
int ret, ver;
uint16_t device_id;
u32 pl_rev;
get_pci_mode(adapter, &adapter->params.pci);
pl_rev = REV_G(t4_read_reg(adapter, PL_REV_A));
ret = t4_get_flash_params(adapter);
if (ret < 0 ) {
dev_err(adapter->pdev_dev, "error %d identifying flash\n" , ret);
return ret;
}
/* Retrieve adapter's device ID
*/
pci_read_config_word(adapter->pdev, PCI_DEVICE_ID, &device_id);
ver = device_id >> 12 ;
adapter->params.chip = 0 ;
switch (ver) {
case CHELSIO_T4:
adapter->params.chip |= CHELSIO_CHIP_CODE(CHELSIO_T4, pl_rev);
adapter->params.arch.sge_fl_db = DBPRIO_F;
adapter->params.arch.mps_tcam_size =
NUM_MPS_CLS_SRAM_L_INSTANCES;
adapter->params.arch.mps_rplc_size = 128 ;
adapter->params.arch.nchan = NCHAN;
adapter->params.arch.pm_stats_cnt = PM_NSTATS;
adapter->params.arch.vfcount = 128 ;
/* Congestion map is for 4 channels so that
* MPS can have 4 priority per port .
*/
adapter->params.arch.cng_ch_bits_log = 2 ;
break ;
case CHELSIO_T5:
adapter->params.chip |= CHELSIO_CHIP_CODE(CHELSIO_T5, pl_rev);
adapter->params.arch.sge_fl_db = DBPRIO_F | DBTYPE_F;
adapter->params.arch.mps_tcam_size =
NUM_MPS_T5_CLS_SRAM_L_INSTANCES;
adapter->params.arch.mps_rplc_size = 128 ;
adapter->params.arch.nchan = NCHAN;
adapter->params.arch.pm_stats_cnt = PM_NSTATS;
adapter->params.arch.vfcount = 128 ;
adapter->params.arch.cng_ch_bits_log = 2 ;
break ;
case CHELSIO_T6:
adapter->params.chip |= CHELSIO_CHIP_CODE(CHELSIO_T6, pl_rev);
adapter->params.arch.sge_fl_db = 0 ;
adapter->params.arch.mps_tcam_size =
NUM_MPS_T5_CLS_SRAM_L_INSTANCES;
adapter->params.arch.mps_rplc_size = 256 ;
adapter->params.arch.nchan = 2 ;
adapter->params.arch.pm_stats_cnt = T6_PM_NSTATS;
adapter->params.arch.vfcount = 256 ;
/* Congestion map will be for 2 channels so that
* MPS can have 8 priority per port .
*/
adapter->params.arch.cng_ch_bits_log = 3 ;
break ;
default :
dev_err(adapter->pdev_dev, "Device %d is not supported\n" ,
device_id);
return -EINVAL;
}
adapter->params.cim_la_size = CIMLA_SIZE;
init_cong_ctrl(adapter->params.a_wnd, adapter->params.b_wnd);
/*
* Default port for debugging in case we can ' t reach FW .
*/
adapter->params.nports = 1 ;
adapter->params.portvec = 1 ;
adapter->params.vpd.cclk = 50000 ;
/* Set PCIe completion timeout to 4 seconds. */
pcie_capability_clear_and_set_word(adapter->pdev, PCI_EXP_DEVCTL2,
PCI_EXP_DEVCTL2_COMP_TIMEOUT, 0 xd);
return 0 ;
}
/**
* t4_shutdown_adapter - shut down adapter , host & wire
* @ adapter : the adapter
*
* Perform an emergency shutdown of the adapter and stop it from
* continuing any further communication on the ports or DMA to the
* host . This is typically used when the adapter and / or firmware
* have crashed and we want to prevent any further accidental
* communication with the rest of the world . This will also force
* the port Link Status to go down - - if register writes work - -
* which should help our peers figure out that we ' re down .
*/
int t4_shutdown_adapter(struct adapter *adapter)
{
int port;
t4_intr_disable(adapter);
t4_write_reg(adapter, DBG_GPIO_EN_A, 0 );
for_each_port(adapter, port) {
u32 a_port_cfg = is_t4(adapter->params.chip) ?
PORT_REG(port, XGMAC_PORT_CFG_A) :
T5_PORT_REG(port, MAC_PORT_CFG_A);
t4_write_reg(adapter, a_port_cfg,
t4_read_reg(adapter, a_port_cfg)
& ~SIGNAL_DET_V(1 ));
}
t4_set_reg_field(adapter, SGE_CONTROL_A, GLOBALENABLE_F, 0 );
return 0 ;
}
/**
* t4_bar2_sge_qregs - return BAR2 SGE Queue register information
* @ adapter : the adapter
* @ qid : the Queue ID
* @ qtype : the Ingress or Egress type for @ qid
* @ user : true if this request is for a user mode queue
* @ pbar2_qoffset : BAR2 Queue Offset
* @ pbar2_qid : BAR2 Queue ID or 0 for Queue ID inferred SGE Queues
*
* Returns the BAR2 SGE Queue Registers information associated with the
* indicated Absolute Queue ID . These are passed back in return value
* pointers . @ qtype should be T4_BAR2_QTYPE_EGRESS for Egress Queue
* and T4_BAR2_QTYPE_INGRESS for Ingress Queues .
*
* This may return an error which indicates that BAR2 SGE Queue
* registers aren ' t available . If an error is not returned , then the
* following values are returned :
*
* * @ pbar2_qoffset : the BAR2 Offset of the @ qid Registers
* * @ pbar2_qid : the BAR2 SGE Queue ID or 0 of @ qid
*
* If the returned BAR2 Queue ID is 0 , then BAR2 SGE registers which
* require the " Inferred Queue ID " ability may be used . E . g . the
* Write Combining Doorbell Buffer . If the BAR2 Queue ID is not 0 ,
* then these " Inferred Queue ID " register may not be used .
*/
int t4_bar2_sge_qregs(struct adapter *adapter,
unsigned int qid,
enum t4_bar2_qtype qtype,
int user,
u64 *pbar2_qoffset,
unsigned int *pbar2_qid)
{
unsigned int page_shift, page_size, qpp_shift, qpp_mask;
u64 bar2_page_offset, bar2_qoffset;
unsigned int bar2_qid, bar2_qid_offset, bar2_qinferred;
/* T4 doesn't support BAR2 SGE Queue registers for kernel mode queues */
if (!user && is_t4(adapter->params.chip))
return -EINVAL;
/* Get our SGE Page Size parameters.
*/
page_shift = adapter->params.sge.hps + 10 ;
page_size = 1 << page_shift;
/* Get the right Queues per Page parameters for our Queue.
*/
qpp_shift = (qtype == T4_BAR2_QTYPE_EGRESS
? adapter->params.sge.eq_qpp
: adapter->params.sge.iq_qpp);
qpp_mask = (1 << qpp_shift) - 1 ;
/* Calculate the basics of the BAR2 SGE Queue register area:
* o The BAR2 page the Queue registers will be in .
* o The BAR2 Queue ID .
* o The BAR2 Queue ID Offset into the BAR2 page .
*/
bar2_page_offset = ((u64)(qid >> qpp_shift) << page_shift);
bar2_qid = qid & qpp_mask;
bar2_qid_offset = bar2_qid * SGE_UDB_SIZE;
/* If the BAR2 Queue ID Offset is less than the Page Size, then the
* hardware will infer the Absolute Queue ID simply from the writes to
* the BAR2 Queue ID Offset within the BAR2 Page ( and we need to use a
* BAR2 Queue ID of 0 for those writes ) . Otherwise , we ' ll simply
* write to the first BAR2 SGE Queue Area within the BAR2 Page with
* the BAR2 Queue ID and the hardware will infer the Absolute Queue ID
* from the BAR2 Page and BAR2 Queue ID .
*
* One important censequence of this is that some BAR2 SGE registers
* have a " Queue ID " field and we can write the BAR2 SGE Queue ID
* there . But other registers synthesize the SGE Queue ID purely
* from the writes to the registers - - the Write Combined Doorbell
* Buffer is a good example . These BAR2 SGE Registers are only
* available for those BAR2 SGE Register areas where the SGE Absolute
* Queue ID can be inferred from simple writes .
*/
bar2_qoffset = bar2_page_offset;
bar2_qinferred = (bar2_qid_offset < page_size);
if (bar2_qinferred) {
bar2_qoffset += bar2_qid_offset;
bar2_qid = 0 ;
}
*pbar2_qoffset = bar2_qoffset;
*pbar2_qid = bar2_qid;
return 0 ;
}
/**
* t4_init_devlog_params - initialize adapter - > params . devlog
* @ adap : the adapter
*
* Initialize various fields of the adapter ' s Firmware Device Log
* Parameters structure .
*/
int t4_init_devlog_params(struct adapter *adap)
{
struct devlog_params *dparams = &adap->params.devlog;
u32 pf_dparams;
unsigned int devlog_meminfo;
struct fw_devlog_cmd devlog_cmd;
int ret;
/* If we're dealing with newer firmware, the Device Log Parameters
* are stored in a designated register which allows us to access the
* Device Log even if we can ' t talk to the firmware .
*/
pf_dparams =
t4_read_reg(adap, PCIE_FW_REG(PCIE_FW_PF_A, PCIE_FW_PF_DEVLOG));
if (pf_dparams) {
unsigned int nentries, nentries128;
dparams->memtype = PCIE_FW_PF_DEVLOG_MEMTYPE_G(pf_dparams);
dparams->start = PCIE_FW_PF_DEVLOG_ADDR16_G(pf_dparams) << 4 ;
nentries128 = PCIE_FW_PF_DEVLOG_NENTRIES128_G(pf_dparams);
nentries = (nentries128 + 1 ) * 128 ;
dparams->size = nentries * sizeof (struct fw_devlog_e);
return 0 ;
}
/* Otherwise, ask the firmware for its Device Log Parameters.
*/
memset(&devlog_cmd, 0 , sizeof (devlog_cmd));
devlog_cmd.op_to_write = cpu_to_be32(FW_CMD_OP_V(FW_DEVLOG_CMD) |
FW_CMD_REQUEST_F | FW_CMD_READ_F);
devlog_cmd.retval_len16 = cpu_to_be32(FW_LEN16(devlog_cmd));
ret = t4_wr_mbox(adap, adap->mbox, &devlog_cmd, sizeof (devlog_cmd),
&devlog_cmd);
if (ret)
return ret;
devlog_meminfo =
be32_to_cpu(devlog_cmd.memtype_devlog_memaddr16_devlog);
dparams->memtype = FW_DEVLOG_CMD_MEMTYPE_DEVLOG_G(devlog_meminfo);
dparams->start = FW_DEVLOG_CMD_MEMADDR16_DEVLOG_G(devlog_meminfo) << 4 ;
dparams->size = be32_to_cpu(devlog_cmd.memsize_devlog);
return 0 ;
}
/**
* t4_init_sge_params - initialize adap - > params . sge
* @ adapter : the adapter
*
* Initialize various fields of the adapter ' s SGE Parameters structure .
*/
int t4_init_sge_params(struct adapter *adapter)
{
struct sge_params *sge_params = &adapter->params.sge;
u32 hps, qpp;
unsigned int s_hps, s_qpp;
/* Extract the SGE Page Size for our PF.
*/
hps = t4_read_reg(adapter, SGE_HOST_PAGE_SIZE_A);
s_hps = (HOSTPAGESIZEPF0_S +
(HOSTPAGESIZEPF1_S - HOSTPAGESIZEPF0_S) * adapter->pf);
sge_params->hps = ((hps >> s_hps) & HOSTPAGESIZEPF0_M);
/* Extract the SGE Egress and Ingess Queues Per Page for our PF.
*/
s_qpp = (QUEUESPERPAGEPF0_S +
(QUEUESPERPAGEPF1_S - QUEUESPERPAGEPF0_S) * adapter->pf);
qpp = t4_read_reg(adapter, SGE_EGRESS_QUEUES_PER_PAGE_PF_A);
sge_params->eq_qpp = ((qpp >> s_qpp) & QUEUESPERPAGEPF0_M);
qpp = t4_read_reg(adapter, SGE_INGRESS_QUEUES_PER_PAGE_PF_A);
sge_params->iq_qpp = ((qpp >> s_qpp) & QUEUESPERPAGEPF0_M);
return 0 ;
}
/**
* t4_init_tp_params - initialize adap - > params . tp
* @ adap : the adapter
* @ sleep_ok : if true we may sleep while awaiting command completion
*
* Initialize various fields of the adapter ' s TP Parameters structure .
*/
int t4_init_tp_params(struct adapter *adap, bool sleep_ok)
{
u32 param, val, v;
int chan, ret;
v = t4_read_reg(adap, TP_TIMER_RESOLUTION_A);
adap->params.tp.tre = TIMERRESOLUTION_G(v);
adap->params.tp.dack_re = DELAYEDACKRESOLUTION_G(v);
/* MODQ_REQ_MAP defaults to setting queues 0-3 to chan 0-3 */
for (chan = 0 ; chan < NCHAN; chan++)
adap->params.tp.tx_modq[chan] = chan;
/* Cache the adapter's Compressed Filter Mode/Mask and global Ingress
* Configuration .
*/
param = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_DEV) |
FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_DEV_FILTER) |
FW_PARAMS_PARAM_Y_V(FW_PARAM_DEV_FILTER_MODE_MASK));
/* Read current value */
ret = t4_query_params(adap, adap->mbox, adap->pf, 0 , 1 ,
¶m, &val);
if (ret == 0 ) {
dev_info(adap->pdev_dev,
"Current filter mode/mask 0x%x:0x%x\n" ,
FW_PARAMS_PARAM_FILTER_MODE_G(val),
FW_PARAMS_PARAM_FILTER_MASK_G(val));
adap->params.tp.vlan_pri_map =
FW_PARAMS_PARAM_FILTER_MODE_G(val);
adap->params.tp.filter_mask =
FW_PARAMS_PARAM_FILTER_MASK_G(val);
} else {
dev_info(adap->pdev_dev,
"Failed to read filter mode/mask via fw api, using indirect-reg-read\n" );
/* Incase of older-fw (which doesn't expose the api
* FW_PARAM_DEV_FILTER_MODE_MASK ) and newer - driver ( which uses
* the fw api ) combination , fall - back to older method of reading
* the filter mode from indirect - register
*/
t4_tp_pio_read(adap, &adap->params.tp.vlan_pri_map, 1 ,
TP_VLAN_PRI_MAP_A, sleep_ok);
/* With the older-fw and newer-driver combination we might run
* into an issue when user wants to use hash filter region but
* the filter_mask is zero , in this case filter_mask validation
* is tough . To avoid that we set the filter_mask same as filter
* mode , which will behave exactly as the older way of ignoring
* the filter mask validation .
*/
adap->params.tp.filter_mask = adap->params.tp.vlan_pri_map;
}
t4_tp_pio_read(adap, &adap->params.tp.ingress_config, 1 ,
TP_INGRESS_CONFIG_A, sleep_ok);
/* For T6, cache the adapter's compressed error vector
* and passing outer header info for encapsulated packets .
*/
if (CHELSIO_CHIP_VERSION(adap->params.chip) > CHELSIO_T5) {
v = t4_read_reg(adap, TP_OUT_CONFIG_A);
adap->params.tp.rx_pkt_encap = (v & CRXPKTENC_F) ? 1 : 0 ;
}
/* Now that we have TP_VLAN_PRI_MAP cached, we can calculate the field
* shift positions of several elements of the Compressed Filter Tuple
* for this adapter which we need frequently . . .
*/
adap->params.tp.fcoe_shift = t4_filter_field_shift(adap, FCOE_F);
adap->params.tp.port_shift = t4_filter_field_shift(adap, PORT_F);
adap->params.tp.vnic_shift = t4_filter_field_shift(adap, VNIC_ID_F);
adap->params.tp.vlan_shift = t4_filter_field_shift(adap, VLAN_F);
adap->params.tp.tos_shift = t4_filter_field_shift(adap, TOS_F);
adap->params.tp.protocol_shift = t4_filter_field_shift(adap,
PROTOCOL_F);
adap->params.tp.ethertype_shift = t4_filter_field_shift(adap,
ETHERTYPE_F);
adap->params.tp.macmatch_shift = t4_filter_field_shift(adap,
MACMATCH_F);
adap->params.tp.matchtype_shift = t4_filter_field_shift(adap,
MPSHITTYPE_F);
adap->params.tp.frag_shift = t4_filter_field_shift(adap,
FRAGMENTATION_F);
/* If TP_INGRESS_CONFIG.VNID == 0, then TP_VLAN_PRI_MAP.VNIC_ID
* represents the presence of an Outer VLAN instead of a VNIC ID .
*/
if ((adap->params.tp.ingress_config & VNIC_F) == 0 )
adap->params.tp.vnic_shift = -1 ;
v = t4_read_reg(adap, LE_3_DB_HASH_MASK_GEN_IPV4_T6_A);
adap->params.tp.hash_filter_mask = v;
v = t4_read_reg(adap, LE_4_DB_HASH_MASK_GEN_IPV4_T6_A);
adap->params.tp.hash_filter_mask |= ((u64)v << 32 );
return 0 ;
}
/**
* t4_filter_field_shift - calculate filter field shift
* @ adap : the adapter
* @ filter_sel : the desired field ( from TP_VLAN_PRI_MAP bits )
*
* Return the shift position of a filter field within the Compressed
* Filter Tuple . The filter field is specified via its selection bit
* within TP_VLAN_PRI_MAL ( filter mode ) . E . g . F_VLAN .
*/
int t4_filter_field_shift(const struct adapter *adap, int filter_sel)
{
unsigned int filter_mode = adap->params.tp.vlan_pri_map;
unsigned int sel;
int field_shift;
if ((filter_mode & filter_sel) == 0 )
return -1 ;
for (sel = 1 , field_shift = 0 ; sel < filter_sel; sel <<= 1 ) {
switch (filter_mode & sel) {
case FCOE_F:
field_shift += FT_FCOE_W;
break ;
case PORT_F:
field_shift += FT_PORT_W;
break ;
case VNIC_ID_F:
field_shift += FT_VNIC_ID_W;
break ;
case VLAN_F:
field_shift += FT_VLAN_W;
break ;
case TOS_F:
field_shift += FT_TOS_W;
break ;
case PROTOCOL_F:
field_shift += FT_PROTOCOL_W;
break ;
case ETHERTYPE_F:
field_shift += FT_ETHERTYPE_W;
break ;
case MACMATCH_F:
field_shift += FT_MACMATCH_W;
break ;
case MPSHITTYPE_F:
field_shift += FT_MPSHITTYPE_W;
break ;
case FRAGMENTATION_F:
field_shift += FT_FRAGMENTATION_W;
break ;
}
}
return field_shift;
}
int t4_init_rss_mode(struct adapter *adap, int mbox)
{
int i, ret;
struct fw_rss_vi_config_cmd rvc;
memset(&rvc, 0 , sizeof (rvc));
for_each_port(adap, i) {
struct port_info *p = adap2pinfo(adap, i);
rvc.op_to_viid =
cpu_to_be32(FW_CMD_OP_V(FW_RSS_VI_CONFIG_CMD) |
FW_CMD_REQUEST_F | FW_CMD_READ_F |
FW_RSS_VI_CONFIG_CMD_VIID_V(p->viid));
rvc.retval_len16 = cpu_to_be32(FW_LEN16(rvc));
ret = t4_wr_mbox(adap, mbox, &rvc, sizeof (rvc), &rvc);
if (ret)
return ret;
p->rss_mode = be32_to_cpu(rvc.u.basicvirtual.defaultq_to_udpen);
}
return 0 ;
}
/**
* t4_init_portinfo - allocate a virtual interface and initialize port_info
* @ pi : the port_info
* @ mbox : mailbox to use for the FW command
* @ port : physical port associated with the VI
* @ pf : the PF owning the VI
* @ vf : the VF owning the VI
* @ mac : the MAC address of the VI
*
* Allocates a virtual interface for the given physical port . If @ mac is
* not % NULL it contains the MAC address of the VI as assigned by FW .
* @ mac should be large enough to hold an Ethernet address .
* Returns < 0 on error .
*/
int t4_init_portinfo(struct port_info *pi, int mbox,
int port, int pf, int vf, u8 mac[])
{
struct adapter *adapter = pi->adapter;
unsigned int fw_caps = adapter->params.fw_caps_support;
struct fw_port_cmd cmd;
unsigned int rss_size;
enum fw_port_type port_type;
int mdio_addr;
fw_port_cap32_t pcaps, acaps;
u8 vivld = 0 , vin = 0 ;
int ret;
/* If we haven't yet determined whether we're talking to Firmware
* which knows the new 32 - bit Port Capabilities , it ' s time to find
* out now . This will also tell new Firmware to send us Port Status
* Updates using the new 32 - bit Port Capabilities version of the
* Port Information message .
*/
if (fw_caps == FW_CAPS_UNKNOWN) {
u32 param, val;
param = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_PFVF) |
FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_PFVF_PORT_CAPS32));
val = 1 ;
ret = t4_set_params(adapter, mbox, pf, vf, 1 , ¶m, &val);
fw_caps = (ret == 0 ? FW_CAPS32 : FW_CAPS16);
adapter->params.fw_caps_support = fw_caps;
}
memset(&cmd, 0 , sizeof (cmd));
cmd.op_to_portid = cpu_to_be32(FW_CMD_OP_V(FW_PORT_CMD) |
FW_CMD_REQUEST_F | FW_CMD_READ_F |
FW_PORT_CMD_PORTID_V(port));
cmd.action_to_len16 = cpu_to_be32(
FW_PORT_CMD_ACTION_V(fw_caps == FW_CAPS16
? FW_PORT_ACTION_GET_PORT_INFO
: FW_PORT_ACTION_GET_PORT_INFO32) |
FW_LEN16(cmd));
ret = t4_wr_mbox(pi->adapter, mbox, &cmd, sizeof (cmd), &cmd);
if (ret)
return ret;
/* Extract the various fields from the Port Information message.
*/
if (fw_caps == FW_CAPS16) {
u32 lstatus = be32_to_cpu(cmd.u.info.lstatus_to_modtype);
port_type = FW_PORT_CMD_PTYPE_G(lstatus);
mdio_addr = ((lstatus & FW_PORT_CMD_MDIOCAP_F)
? FW_PORT_CMD_MDIOADDR_G(lstatus)
: -1 );
pcaps = fwcaps16_to_caps32(be16_to_cpu(cmd.u.info.pcap));
acaps = fwcaps16_to_caps32(be16_to_cpu(cmd.u.info.acap));
} else {
u32 lstatus32 = be32_to_cpu(cmd.u.info32.lstatus32_to_cbllen32);
port_type = FW_PORT_CMD_PORTTYPE32_G(lstatus32);
mdio_addr = ((lstatus32 & FW_PORT_CMD_MDIOCAP32_F)
? FW_PORT_CMD_MDIOADDR32_G(lstatus32)
: -1 );
pcaps = be32_to_cpu(cmd.u.info32.pcaps32);
acaps = be32_to_cpu(cmd.u.info32.acaps32);
}
ret = t4_alloc_vi(pi->adapter, mbox, port, pf, vf, 1 , mac, &rss_size,
&vivld, &vin);
if (ret < 0 )
return ret;
pi->viid = ret;
pi->tx_chan = port;
pi->lport = port;
pi->rss_size = rss_size;
pi->rx_cchan = t4_get_tp_e2c_map(pi->adapter, port);
/* If fw supports returning the VIN as part of FW_VI_CMD,
* save the returned values .
*/
if (adapter->params.viid_smt_extn_support) {
pi->vivld = vivld;
pi->vin = vin;
} else {
/* Retrieve the values from VIID */
pi->vivld = FW_VIID_VIVLD_G(pi->viid);
pi->vin = FW_VIID_VIN_G(pi->viid);
}
pi->port_type = port_type;
pi->mdio_addr = mdio_addr;
pi->mod_type = FW_PORT_MOD_TYPE_NA;
init_link_config(&pi->link_cfg, pcaps, acaps);
return 0 ;
}
int t4_port_init(struct adapter *adap, int mbox, int pf, int vf)
{
u8 addr[6 ];
int ret, i, j = 0 ;
for_each_port(adap, i) {
struct port_info *pi = adap2pinfo(adap, i);
while ((adap->params.portvec & (1 << j)) == 0 )
j++;
ret = t4_init_portinfo(pi, mbox, j, pf, vf, addr);
if (ret)
return ret;
eth_hw_addr_set(adap->port[i], addr);
j++;
}
return 0 ;
}
int t4_init_port_mirror(struct port_info *pi, u8 mbox, u8 port, u8 pf, u8 vf,
u16 *mirror_viid)
{
int ret;
ret = t4_alloc_vi(pi->adapter, mbox, port, pf, vf, 1 , NULL, NULL,
NULL, NULL);
if (ret < 0 )
return ret;
if (mirror_viid)
*mirror_viid = ret;
return 0 ;
}
/**
* t4_read_cimq_cfg - read CIM queue configuration
* @ adap : the adapter
* @ base : holds the queue base addresses in bytes
* @ size : holds the queue sizes in bytes
* @ thres : holds the queue full thresholds in bytes
*
* Returns the current configuration of the CIM queues , starting with
* the IBQs , then the OBQs .
*/
void t4_read_cimq_cfg(struct adapter *adap, u16 *base, u16 *size, u16 *thres)
{
unsigned int i, v;
int cim_num_obq = is_t4(adap->params.chip) ?
CIM_NUM_OBQ : CIM_NUM_OBQ_T5;
for (i = 0 ; i < CIM_NUM_IBQ; i++) {
t4_write_reg(adap, CIM_QUEUE_CONFIG_REF_A, IBQSELECT_F |
QUENUMSELECT_V(i));
v = t4_read_reg(adap, CIM_QUEUE_CONFIG_CTRL_A);
/* value is in 256-byte units */
*base++ = CIMQBASE_G(v) * 256 ;
*size++ = CIMQSIZE_G(v) * 256 ;
*thres++ = QUEFULLTHRSH_G(v) * 8 ; /* 8-byte unit */
}
for (i = 0 ; i < cim_num_obq; i++) {
t4_write_reg(adap, CIM_QUEUE_CONFIG_REF_A, OBQSELECT_F |
QUENUMSELECT_V(i));
v = t4_read_reg(adap, CIM_QUEUE_CONFIG_CTRL_A);
/* value is in 256-byte units */
*base++ = CIMQBASE_G(v) * 256 ;
*size++ = CIMQSIZE_G(v) * 256 ;
}
}
/**
* t4_read_cim_ibq - read the contents of a CIM inbound queue
* @ adap : the adapter
* @ qid : the queue index
* @ data : where to store the queue contents
* @ n : capacity of @ data in 32 - bit words
*
* Reads the contents of the selected CIM queue starting at address 0 up
* to the capacity of @ data . @ n must be a multiple of 4 . Returns < 0 on
* error and the number of 32 - bit words actually read on success .
*/
int t4_read_cim_ibq(struct adapter *adap, unsigned int qid, u32 *data, size_t n)
{
int i, err, attempts;
unsigned int addr;
const unsigned int nwords = CIM_IBQ_SIZE * 4 ;
if (qid > 5 || (n & 3 ))
return -EINVAL;
addr = qid * nwords;
if (n > nwords)
n = nwords;
/* It might take 3-10ms before the IBQ debug read access is allowed.
* Wait for 1 Sec with a delay of 1 usec .
*/
attempts = 1000000 ;
for (i = 0 ; i < n; i++, addr++) {
t4_write_reg(adap, CIM_IBQ_DBG_CFG_A, IBQDBGADDR_V(addr) |
IBQDBGEN_F);
err = t4_wait_op_done(adap, CIM_IBQ_DBG_CFG_A, IBQDBGBUSY_F, 0 ,
attempts, 1 );
if (err)
return err;
*data++ = t4_read_reg(adap, CIM_IBQ_DBG_DATA_A);
}
t4_write_reg(adap, CIM_IBQ_DBG_CFG_A, 0 );
return i;
}
/**
* t4_read_cim_obq - read the contents of a CIM outbound queue
* @ adap : the adapter
* @ qid : the queue index
* @ data : where to store the queue contents
* @ n : capacity of @ data in 32 - bit words
*
* Reads the contents of the selected CIM queue starting at address 0 up
* to the capacity of @ data . @ n must be a multiple of 4 . Returns < 0 on
* error and the number of 32 - bit words actually read on success .
*/
int t4_read_cim_obq(struct adapter *adap, unsigned int qid, u32 *data, size_t n)
{
int i, err;
unsigned int addr, v, nwords;
int cim_num_obq = is_t4(adap->params.chip) ?
CIM_NUM_OBQ : CIM_NUM_OBQ_T5;
if ((qid > (cim_num_obq - 1 )) || (n & 3 ))
return -EINVAL;
t4_write_reg(adap, CIM_QUEUE_CONFIG_REF_A, OBQSELECT_F |
QUENUMSELECT_V(qid));
v = t4_read_reg(adap, CIM_QUEUE_CONFIG_CTRL_A);
addr = CIMQBASE_G(v) * 64 ; /* muliple of 256 -> muliple of 4 */
nwords = CIMQSIZE_G(v) * 64 ; /* same */
if (n > nwords)
n = nwords;
for (i = 0 ; i < n; i++, addr++) {
t4_write_reg(adap, CIM_OBQ_DBG_CFG_A, OBQDBGADDR_V(addr) |
OBQDBGEN_F);
err = t4_wait_op_done(adap, CIM_OBQ_DBG_CFG_A, OBQDBGBUSY_F, 0 ,
2 , 1 );
if (err)
return err;
*data++ = t4_read_reg(adap, CIM_OBQ_DBG_DATA_A);
}
t4_write_reg(adap, CIM_OBQ_DBG_CFG_A, 0 );
return i;
}
/**
* t4_cim_read - read a block from CIM internal address space
* @ adap : the adapter
* @ addr : the start address within the CIM address space
* @ n : number of words to read
* @ valp : where to store the result
*
* Reads a block of 4 - byte words from the CIM intenal address space .
*/
int t4_cim_read(struct adapter *adap, unsigned int addr, unsigned int n,
unsigned int *valp)
{
int ret = 0 ;
if (t4_read_reg(adap, CIM_HOST_ACC_CTRL_A) & HOSTBUSY_F)
return -EBUSY;
for ( ; !ret && n--; addr += 4 ) {
t4_write_reg(adap, CIM_HOST_ACC_CTRL_A, addr);
ret = t4_wait_op_done(adap, CIM_HOST_ACC_CTRL_A, HOSTBUSY_F,
0 , 5 , 2 );
if (!ret)
*valp++ = t4_read_reg(adap, CIM_HOST_ACC_DATA_A);
}
return ret;
}
/**
* t4_cim_write - write a block into CIM internal address space
* @ adap : the adapter
* @ addr : the start address within the CIM address space
* @ n : number of words to write
* @ valp : set of values to write
*
* Writes a block of 4 - byte words into the CIM intenal address space .
*/
int t4_cim_write(struct adapter *adap, unsigned int addr, unsigned int n,
const unsigned int *valp)
{
int ret = 0 ;
if (t4_read_reg(adap, CIM_HOST_ACC_CTRL_A) & HOSTBUSY_F)
return -EBUSY;
for ( ; !ret && n--; addr += 4 ) {
t4_write_reg(adap, CIM_HOST_ACC_DATA_A, *valp++);
t4_write_reg(adap, CIM_HOST_ACC_CTRL_A, addr | HOSTWRITE_F);
ret = t4_wait_op_done(adap, CIM_HOST_ACC_CTRL_A, HOSTBUSY_F,
0 , 5 , 2 );
}
return ret;
}
static int t4_cim_write1(struct adapter *adap, unsigned int addr,
unsigned int val)
{
return t4_cim_write(adap, addr, 1 , &val);
}
/**
* t4_cim_read_la - read CIM LA capture buffer
* @ adap : the adapter
* @ la_buf : where to store the LA data
* @ wrptr : the HW write pointer within the capture buffer
*
* Reads the contents of the CIM LA buffer with the most recent entry at
* the end of the returned data and with the entry at @ wrptr first .
* We try to leave the LA in the running state we find it in .
*/
int t4_cim_read_la(struct adapter *adap, u32 *la_buf, unsigned int *wrptr)
{
int i, ret;
unsigned int cfg, val, idx;
ret = t4_cim_read(adap, UP_UP_DBG_LA_CFG_A, 1 , &cfg);
if (ret)
return ret;
if (cfg & UPDBGLAEN_F) { /* LA is running, freeze it */
ret = t4_cim_write1(adap, UP_UP_DBG_LA_CFG_A, 0 );
if (ret)
return ret;
}
ret = t4_cim_read(adap, UP_UP_DBG_LA_CFG_A, 1 , &val);
if (ret)
goto restart;
idx = UPDBGLAWRPTR_G(val);
if (wrptr)
*wrptr = idx;
for (i = 0 ; i < adap->params.cim_la_size; i++) {
ret = t4_cim_write1(adap, UP_UP_DBG_LA_CFG_A,
UPDBGLARDPTR_V(idx) | UPDBGLARDEN_F);
if (ret)
break ;
ret = t4_cim_read(adap, UP_UP_DBG_LA_CFG_A, 1 , &val);
if (ret)
break ;
if (val & UPDBGLARDEN_F) {
ret = -ETIMEDOUT;
break ;
}
ret = t4_cim_read(adap, UP_UP_DBG_LA_DATA_A, 1 , &la_buf[i]);
if (ret)
break ;
/* Bits 0-3 of UpDbgLaRdPtr can be between 0000 to 1001 to
* identify the 32 - bit portion of the full 312 - bit data
*/
if (is_t6(adap->params.chip) && (idx & 0 xf) >= 9 )
idx = (idx & 0 xff0) + 0 x10;
else
idx++;
/* address can't exceed 0xfff */
idx &= UPDBGLARDPTR_M;
}
restart:
if (cfg & UPDBGLAEN_F) {
int r = t4_cim_write1(adap, UP_UP_DBG_LA_CFG_A,
cfg & ~UPDBGLARDEN_F);
if (!ret)
ret = r;
}
return ret;
}
/**
* t4_tp_read_la - read TP LA capture buffer
* @ adap : the adapter
* @ la_buf : where to store the LA data
* @ wrptr : the HW write pointer within the capture buffer
*
* Reads the contents of the TP LA buffer with the most recent entry at
* the end of the returned data and with the entry at @ wrptr first .
* We leave the LA in the running state we find it in .
*/
void t4_tp_read_la(struct adapter *adap, u64 *la_buf, unsigned int *wrptr)
{
bool last_incomplete;
unsigned int i, cfg, val, idx;
cfg = t4_read_reg(adap, TP_DBG_LA_CONFIG_A) & 0 xffff;
if (cfg & DBGLAENABLE_F) /* freeze LA */
t4_write_reg(adap, TP_DBG_LA_CONFIG_A,
adap->params.tp.la_mask | (cfg ^ DBGLAENABLE_F));
val = t4_read_reg(adap, TP_DBG_LA_CONFIG_A);
idx = DBGLAWPTR_G(val);
last_incomplete = DBGLAMODE_G(val) >= 2 && (val & DBGLAWHLF_F) == 0 ;
if (last_incomplete)
idx = (idx + 1 ) & DBGLARPTR_M;
if (wrptr)
*wrptr = idx;
val &= 0 xffff;
val &= ~DBGLARPTR_V(DBGLARPTR_M);
val |= adap->params.tp.la_mask;
for (i = 0 ; i < TPLA_SIZE; i++) {
t4_write_reg(adap, TP_DBG_LA_CONFIG_A, DBGLARPTR_V(idx) | val);
la_buf[i] = t4_read_reg64(adap, TP_DBG_LA_DATAL_A);
idx = (idx + 1 ) & DBGLARPTR_M;
}
/* Wipe out last entry if it isn't valid */
if (last_incomplete)
la_buf[TPLA_SIZE - 1 ] = ~0 ULL;
if (cfg & DBGLAENABLE_F) /* restore running state */
t4_write_reg(adap, TP_DBG_LA_CONFIG_A,
cfg | adap->params.tp.la_mask);
}
/* SGE Hung Ingress DMA Warning Threshold time and Warning Repeat Rate (in
* seconds ) . If we find one of the SGE Ingress DMA State Machines in the same
* state for more than the Warning Threshold then we ' ll issue a warning about
* a potential hang . We ' ll repeat the warning as the SGE Ingress DMA Channel
* appears to be hung every Warning Repeat second till the situation clears .
* If the situation clears , we ' ll note that as well .
*/
#define SGE_IDMA_WARN_THRESH 1
#define SGE_IDMA_WARN_REPEAT 300
/**
* t4_idma_monitor_init - initialize SGE Ingress DMA Monitor
* @ adapter : the adapter
* @ idma : the adapter IDMA Monitor state
*
* Initialize the state of an SGE Ingress DMA Monitor .
*/
void t4_idma_monitor_init(struct adapter *adapter,
struct sge_idma_monitor_state *idma)
{
/* Initialize the state variables for detecting an SGE Ingress DMA
* hang . The SGE has internal counters which count up on each clock
* tick whenever the SGE finds its Ingress DMA State Engines in the
* same state they were on the previous clock tick . The clock used is
* the Core Clock so we have a limit on the maximum " time " they can
* record ; typically a very small number of seconds . For instance ,
* with a 600 MHz Core Clock , we can only count up to a bit more than
* 7 s . So we ' ll synthesize a larger counter in order to not run the
* risk of having the " timers " overflow and give us the flexibility to
* maintain a Hung SGE State Machine of our own which operates across
* a longer time frame .
*/
idma->idma_1s_thresh = core_ticks_per_usec(adapter) * 1000000 ; /* 1s */
idma->idma_stalled[0 ] = 0 ;
idma->idma_stalled[1 ] = 0 ;
}
/**
* t4_idma_monitor - monitor SGE Ingress DMA state
* @ adapter : the adapter
* @ idma : the adapter IDMA Monitor state
* @ hz : number of ticks / second
* @ ticks : number of ticks since the last IDMA Monitor call
*/
void t4_idma_monitor(struct adapter *adapter,
struct sge_idma_monitor_state *idma,
int hz, int ticks)
{
int i, idma_same_state_cnt[2 ];
/* Read the SGE Debug Ingress DMA Same State Count registers. These
* are counters inside the SGE which count up on each clock when the
* SGE finds its Ingress DMA State Engines in the same states they
* were in the previous clock . The counters will peg out at
* 0 xffffffff without wrapping around so once they pass the 1 s
* threshold they ' ll stay above that till the IDMA state changes .
*/
t4_write_reg(adapter, SGE_DEBUG_INDEX_A, 13 );
idma_same_state_cnt[0 ] = t4_read_reg(adapter, SGE_DEBUG_DATA_HIGH_A);
idma_same_state_cnt[1 ] = t4_read_reg(adapter, SGE_DEBUG_DATA_LOW_A);
for (i = 0 ; i < 2 ; i++) {
u32 debug0, debug11;
/* If the Ingress DMA Same State Counter ("timer") is less
* than 1 s , then we can reset our synthesized Stall Timer and
* continue . If we have previously emitted warnings about a
* potential stalled Ingress Queue , issue a note indicating
* that the Ingress Queue has resumed forward progress .
*/
if (idma_same_state_cnt[i] < idma->idma_1s_thresh) {
if (idma->idma_stalled[i] >= SGE_IDMA_WARN_THRESH * hz)
dev_warn(adapter->pdev_dev, "SGE idma%d, queue %u, "
"resumed after %d seconds\n" ,
i, idma->idma_qid[i],
idma->idma_stalled[i] / hz);
idma->idma_stalled[i] = 0 ;
continue ;
}
/* Synthesize an SGE Ingress DMA Same State Timer in the Hz
* domain . The first time we get here it ' ll be because we
* passed the 1 s Threshold ; each additional time it ' ll be
* because the RX Timer Callback is being fired on its regular
* schedule .
*
* If the stall is below our Potential Hung Ingress Queue
* Warning Threshold , continue .
*/
if (idma->idma_stalled[i] == 0 ) {
idma->idma_stalled[i] = hz;
idma->idma_warn[i] = 0 ;
} else {
idma->idma_stalled[i] += ticks;
idma->idma_warn[i] -= ticks;
}
if (idma->idma_stalled[i] < SGE_IDMA_WARN_THRESH * hz)
continue ;
/* We'll issue a warning every SGE_IDMA_WARN_REPEAT seconds.
*/
if (idma->idma_warn[i] > 0 )
continue ;
idma->idma_warn[i] = SGE_IDMA_WARN_REPEAT * hz;
/* Read and save the SGE IDMA State and Queue ID information.
* We do this every time in case it changes across time . . .
* can ' t be too careful . . .
*/
t4_write_reg(adapter, SGE_DEBUG_INDEX_A, 0 );
debug0 = t4_read_reg(adapter, SGE_DEBUG_DATA_LOW_A);
idma->idma_state[i] = (debug0 >> (i * 9 )) & 0 x3f;
t4_write_reg(adapter, SGE_DEBUG_INDEX_A, 11 );
debug11 = t4_read_reg(adapter, SGE_DEBUG_DATA_LOW_A);
idma->idma_qid[i] = (debug11 >> (i * 16 )) & 0 xffff;
dev_warn(adapter->pdev_dev, "SGE idma%u, queue %u, potentially stuck in "
"state %u for %d seconds (debug0=%#x, debug11=%#x)\n" ,
i, idma->idma_qid[i], idma->idma_state[i],
idma->idma_stalled[i] / hz,
debug0, debug11);
t4_sge_decode_idma_state(adapter, idma->idma_state[i]);
}
}
/**
* t4_load_cfg - download config file
* @ adap : the adapter
* @ cfg_data : the cfg text file to write
* @ size : text file size
*
* Write the supplied config text file to the card ' s serial flash .
*/
int t4_load_cfg(struct adapter *adap, const u8 *cfg_data, unsigned int size)
{
int ret, i, n, cfg_addr;
unsigned int addr;
unsigned int flash_cfg_start_sec;
unsigned int sf_sec_size = adap->params.sf_size / adap->params.sf_nsec;
cfg_addr = t4_flash_cfg_addr(adap);
if (cfg_addr < 0 )
return cfg_addr;
addr = cfg_addr;
flash_cfg_start_sec = addr / SF_SEC_SIZE;
if (size > FLASH_CFG_MAX_SIZE) {
dev_err(adap->pdev_dev, "cfg file too large, max is %u bytes\n" ,
FLASH_CFG_MAX_SIZE);
return -EFBIG;
}
i = DIV_ROUND_UP(FLASH_CFG_MAX_SIZE, /* # of sectors spanned */
sf_sec_size);
ret = t4_flash_erase_sectors(adap, flash_cfg_start_sec,
flash_cfg_start_sec + i - 1 );
/* If size == 0 then we're simply erasing the FLASH sectors associated
* with the on - adapter Firmware Configuration File .
*/
if (ret || size == 0 )
goto out;
/* this will write to the flash up to SF_PAGE_SIZE at a time */
for (i = 0 ; i < size; i += SF_PAGE_SIZE) {
if ((size - i) < SF_PAGE_SIZE)
n = size - i;
else
n = SF_PAGE_SIZE;
ret = t4_write_flash(adap, addr, n, cfg_data, true );
if (ret)
goto out;
addr += SF_PAGE_SIZE;
cfg_data += SF_PAGE_SIZE;
}
out:
if (ret)
dev_err(adap->pdev_dev, "config file %s failed %d\n" ,
(size == 0 ? "clear" : "download" ), ret);
return ret;
}
/**
* t4_set_vf_mac_acl - Set MAC address for the specified VF
* @ adapter : The adapter
* @ vf : one of the VFs instantiated by the specified PF
* @ start : The start port id associated with specified VF
* @ naddr : the number of MAC addresses
* @ addr : the MAC address ( es ) to be set to the specified VF
*/
int t4_set_vf_mac_acl(struct adapter *adapter, unsigned int vf,
u8 start, unsigned int naddr, u8 *addr)
{
struct fw_acl_mac_cmd cmd;
memset(&cmd, 0 , sizeof (cmd));
cmd.op_to_vfn = cpu_to_be32(FW_CMD_OP_V(FW_ACL_MAC_CMD) |
FW_CMD_REQUEST_F |
FW_CMD_WRITE_F |
FW_ACL_MAC_CMD_PFN_V(adapter->pf) |
FW_ACL_MAC_CMD_VFN_V(vf));
/* Note: Do not enable the ACL */
cmd.en_to_len16 = cpu_to_be32((unsigned int )FW_LEN16(cmd));
cmd.nmac = naddr;
switch (start) {
case 3 :
memcpy(cmd.macaddr3, addr, sizeof (cmd.macaddr3));
break ;
case 2 :
memcpy(cmd.macaddr2, addr, sizeof (cmd.macaddr2));
break ;
case 1 :
memcpy(cmd.macaddr1, addr, sizeof (cmd.macaddr1));
break ;
case 0 :
memcpy(cmd.macaddr0, addr, sizeof (cmd.macaddr0));
break ;
}
return t4_wr_mbox(adapter, adapter->mbox, &cmd, sizeof (cmd), &cmd);
}
/**
* t4_read_pace_tbl - read the pace table
* @ adap : the adapter
* @ pace_vals : holds the returned values
*
* Returns the values of TP ' s pace table in microseconds .
*/
void t4_read_pace_tbl(struct adapter *adap, unsigned int pace_vals[NTX_SCHED])
{
unsigned int i, v;
for (i = 0 ; i < NTX_SCHED; i++) {
t4_write_reg(adap, TP_PACE_TABLE_A, 0 xffff0000 + i);
v = t4_read_reg(adap, TP_PACE_TABLE_A);
pace_vals[i] = dack_ticks_to_usec(adap, v);
}
}
/**
* t4_get_tx_sched - get the configuration of a Tx HW traffic scheduler
* @ adap : the adapter
* @ sched : the scheduler index
* @ kbps : the byte rate in Kbps
* @ ipg : the interpacket delay in tenths of nanoseconds
* @ sleep_ok : if true we may sleep while awaiting command completion
*
* Return the current configuration of a HW Tx scheduler .
*/
void t4_get_tx_sched(struct adapter *adap, unsigned int sched,
unsigned int *kbps, unsigned int *ipg, bool sleep_ok)
{
unsigned int v, addr, bpt, cpt;
if (kbps) {
addr = TP_TX_MOD_Q1_Q0_RATE_LIMIT_A - sched / 2 ;
t4_tp_tm_pio_read(adap, &v, 1 , addr, sleep_ok);
if (sched & 1 )
v >>= 16 ;
bpt = (v >> 8 ) & 0 xff;
cpt = v & 0 xff;
if (!cpt) {
*kbps = 0 ; /* scheduler disabled */
} else {
v = (adap->params.vpd.cclk * 1000 ) / cpt; /* ticks/s */
*kbps = (v * bpt) / 125 ;
}
}
if (ipg) {
addr = TP_TX_MOD_Q1_Q0_TIMER_SEPARATOR_A - sched / 2 ;
t4_tp_tm_pio_read(adap, &v, 1 , addr, sleep_ok);
if (sched & 1 )
v >>= 16 ;
v &= 0 xffff;
*ipg = (10000 * v) / core_ticks_per_usec(adap);
}
}
/* t4_sge_ctxt_rd - read an SGE context through FW
* @ adap : the adapter
* @ mbox : mailbox to use for the FW command
* @ cid : the context id
* @ ctype : the context type
* @ data : where to store the context data
*
* Issues a FW command through the given mailbox to read an SGE context .
*/
int t4_sge_ctxt_rd(struct adapter *adap, unsigned int mbox, unsigned int cid,
enum ctxt_type ctype, u32 *data)
{
struct fw_ldst_cmd c;
int ret;
if (ctype == CTXT_FLM)
ret = FW_LDST_ADDRSPC_SGE_FLMC;
else
ret = FW_LDST_ADDRSPC_SGE_CONMC;
memset(&c, 0 , sizeof (c));
c.op_to_addrspace = cpu_to_be32(FW_CMD_OP_V(FW_LDST_CMD) |
FW_CMD_REQUEST_F | FW_CMD_READ_F |
FW_LDST_CMD_ADDRSPACE_V(ret));
c.cycles_to_len16 = cpu_to_be32(FW_LEN16(c));
c.u.idctxt.physid = cpu_to_be32(cid);
ret = t4_wr_mbox(adap, mbox, &c, sizeof (c), &c);
if (ret == 0 ) {
data[0 ] = be32_to_cpu(c.u.idctxt.ctxt_data0);
data[1 ] = be32_to_cpu(c.u.idctxt.ctxt_data1);
data[2 ] = be32_to_cpu(c.u.idctxt.ctxt_data2);
data[3 ] = be32_to_cpu(c.u.idctxt.ctxt_data3);
data[4 ] = be32_to_cpu(c.u.idctxt.ctxt_data4);
data[5 ] = be32_to_cpu(c.u.idctxt.ctxt_data5);
}
return ret;
}
/**
* t4_sge_ctxt_rd_bd - read an SGE context bypassing FW
* @ adap : the adapter
* @ cid : the context id
* @ ctype : the context type
* @ data : where to store the context data
*
* Reads an SGE context directly , bypassing FW . This is only for
* debugging when FW is unavailable .
*/
int t4_sge_ctxt_rd_bd(struct adapter *adap, unsigned int cid,
enum ctxt_type ctype, u32 *data)
{
int i, ret;
t4_write_reg(adap, SGE_CTXT_CMD_A, CTXTQID_V(cid) | CTXTTYPE_V(ctype));
ret = t4_wait_op_done(adap, SGE_CTXT_CMD_A, BUSY_F, 0 , 3 , 1 );
if (!ret)
for (i = SGE_CTXT_DATA0_A; i <= SGE_CTXT_DATA5_A; i += 4 )
*data++ = t4_read_reg(adap, i);
return ret;
}
int t4_sched_params(struct adapter *adapter, u8 type, u8 level, u8 mode,
u8 rateunit, u8 ratemode, u8 channel, u8 class ,
u32 minrate, u32 maxrate, u16 weight, u16 pktsize,
u16 burstsize)
{
struct fw_sched_cmd cmd;
memset(&cmd, 0 , sizeof (cmd));
cmd.op_to_write = cpu_to_be32(FW_CMD_OP_V(FW_SCHED_CMD) |
FW_CMD_REQUEST_F |
FW_CMD_WRITE_F);
cmd.retval_len16 = cpu_to_be32(FW_LEN16(cmd));
cmd.u.params.sc = FW_SCHED_SC_PARAMS;
cmd.u.params.type = type;
cmd.u.params.level = level;
cmd.u.params.mode = mode;
cmd.u.params.ch = channel;
cmd.u.params.cl = class ;
cmd.u.params.unit = rateunit;
cmd.u.params.rate = ratemode;
cmd.u.params.min = cpu_to_be32(minrate);
cmd.u.params.max = cpu_to_be32(maxrate);
cmd.u.params.weight = cpu_to_be16(weight);
cmd.u.params.pktsize = cpu_to_be16(pktsize);
cmd.u.params.burstsize = cpu_to_be16(burstsize);
return t4_wr_mbox_meat(adapter, adapter->mbox, &cmd, sizeof (cmd),
NULL, 1 );
}
/**
* t4_i2c_rd - read I2C data from adapter
* @ adap : the adapter
* @ mbox : mailbox to use for the FW command
* @ port : Port number if per - port device ; < 0 if not
* @ devid : per - port device ID or absolute device ID
* @ offset : byte offset into device I2C space
* @ len : byte length of I2C space data
* @ buf : buffer in which to return I2C data
*
* Reads the I2C data from the indicated device and location .
*/
int t4_i2c_rd(struct adapter *adap, unsigned int mbox, int port,
unsigned int devid, unsigned int offset,
unsigned int len, u8 *buf)
{
struct fw_ldst_cmd ldst_cmd, ldst_rpl;
unsigned int i2c_max = sizeof (ldst_cmd.u.i2c.data);
int ret = 0 ;
if (len > I2C_PAGE_SIZE)
return -EINVAL;
/* Dont allow reads that spans multiple pages */
if (offset < I2C_PAGE_SIZE && offset + len > I2C_PAGE_SIZE)
return -EINVAL;
memset(&ldst_cmd, 0 , sizeof (ldst_cmd));
ldst_cmd.op_to_addrspace =
cpu_to_be32(FW_CMD_OP_V(FW_LDST_CMD) |
FW_CMD_REQUEST_F |
FW_CMD_READ_F |
FW_LDST_CMD_ADDRSPACE_V(FW_LDST_ADDRSPC_I2C));
ldst_cmd.cycles_to_len16 = cpu_to_be32(FW_LEN16(ldst_cmd));
ldst_cmd.u.i2c.pid = (port < 0 ? 0 xff : port);
ldst_cmd.u.i2c.did = devid;
while (len > 0 ) {
unsigned int i2c_len = (len < i2c_max) ? len : i2c_max;
ldst_cmd.u.i2c.boffset = offset;
ldst_cmd.u.i2c.blen = i2c_len;
ret = t4_wr_mbox(adap, mbox, &ldst_cmd, sizeof (ldst_cmd),
&ldst_rpl);
if (ret)
break ;
memcpy(buf, ldst_rpl.u.i2c.data, i2c_len);
offset += i2c_len;
buf += i2c_len;
len -= i2c_len;
}
return ret;
}
/**
* t4_set_vlan_acl - Set a VLAN id for the specified VF
* @ adap : the adapter
* @ mbox : mailbox to use for the FW command
* @ vf : one of the VFs instantiated by the specified PF
* @ vlan : The vlanid to be set
*/
int t4_set_vlan_acl(struct adapter *adap, unsigned int mbox, unsigned int vf,
u16 vlan)
{
struct fw_acl_vlan_cmd vlan_cmd;
unsigned int enable;
enable = (vlan ? FW_ACL_VLAN_CMD_EN_F : 0 );
memset(&vlan_cmd, 0 , sizeof (vlan_cmd));
vlan_cmd.op_to_vfn = cpu_to_be32(FW_CMD_OP_V(FW_ACL_VLAN_CMD) |
FW_CMD_REQUEST_F |
FW_CMD_WRITE_F |
FW_CMD_EXEC_F |
FW_ACL_VLAN_CMD_PFN_V(adap->pf) |
FW_ACL_VLAN_CMD_VFN_V(vf));
vlan_cmd.en_to_len16 = cpu_to_be32(enable | FW_LEN16(vlan_cmd));
/* Drop all packets that donot match vlan id */
vlan_cmd.dropnovlan_fm = (enable
? (FW_ACL_VLAN_CMD_DROPNOVLAN_F |
FW_ACL_VLAN_CMD_FM_F) : 0 );
if (enable != 0 ) {
vlan_cmd.nvlan = 1 ;
vlan_cmd.vlanid[0 ] = cpu_to_be16(vlan);
}
return t4_wr_mbox(adap, adap->mbox, &vlan_cmd, sizeof (vlan_cmd), NULL);
}
/**
* modify_device_id - Modifies the device ID of the Boot BIOS image
* @ device_id : the device ID to write .
* @ boot_data : the boot image to modify .
*
* Write the supplied device ID to the boot BIOS image .
*/
static void modify_device_id(int device_id, u8 *boot_data)
{
struct cxgb4_pcir_data *pcir_header;
struct legacy_pci_rom_hdr *header;
u8 *cur_header = boot_data;
u16 pcir_offset;
/* Loop through all chained images and change the device ID's */
do {
header = (struct legacy_pci_rom_hdr *)cur_header;
pcir_offset = le16_to_cpu(header->pcir_offset);
pcir_header = (struct cxgb4_pcir_data *)(cur_header +
pcir_offset);
/**
* Only modify the Device ID if code type is Legacy or HP .
* 0 x00 : Okay to modify
* 0 x01 : FCODE . Do not modify
* 0 x03 : Okay to modify
* 0 x04 - 0 xFF : Do not modify
*/
if (pcir_header->code_type == CXGB4_HDR_CODE1) {
u8 csum = 0 ;
int i;
/**
* Modify Device ID to match current adatper
*/
pcir_header->device_id = cpu_to_le16(device_id);
/**
* Set checksum temporarily to 0 .
* We will recalculate it later .
*/
header->cksum = 0 x0;
/**
* Calculate and update checksum
*/
for (i = 0 ; i < (header->size512 * 512 ); i++)
csum += cur_header[i];
/**
* Invert summed value to create the checksum
* Writing new checksum value directly to the boot data
*/
cur_header[7 ] = -csum;
} else if (pcir_header->code_type == CXGB4_HDR_CODE2) {
/**
* Modify Device ID to match current adatper
*/
pcir_header->device_id = cpu_to_le16(device_id);
}
/**
* Move header pointer up to the next image in the ROM .
*/
cur_header += header->size512 * 512 ;
} while (!(pcir_header->indicator & CXGB4_HDR_INDI));
}
/**
* t4_load_boot - download boot flash
* @ adap : the adapter
* @ boot_data : the boot image to write
* @ boot_addr : offset in flash to write boot_data
* @ size : image size
*
* Write the supplied boot image to the card ' s serial flash .
* The boot image has the following sections : a 28 - byte header and the
* boot image .
*/
int t4_load_boot(struct adapter *adap, u8 *boot_data,
unsigned int boot_addr, unsigned int size)
{
unsigned int sf_sec_size = adap->params.sf_size / adap->params.sf_nsec;
unsigned int boot_sector = (boot_addr * 1024 );
struct cxgb4_pci_exp_rom_header *header;
struct cxgb4_pcir_data *pcir_header;
int pcir_offset;
unsigned int i;
u16 device_id;
int ret, addr;
/**
* Make sure the boot image does not encroach on the firmware region
*/
if ((boot_sector + size) >> 16 > FLASH_FW_START_SEC) {
dev_err(adap->pdev_dev, "boot image encroaching on firmware region\n" );
return -EFBIG;
}
/* Get boot header */
header = (struct cxgb4_pci_exp_rom_header *)boot_data;
pcir_offset = le16_to_cpu(header->pcir_offset);
/* PCIR Data Structure */
pcir_header = (struct cxgb4_pcir_data *)&boot_data[pcir_offset];
/**
* Perform some primitive sanity testing to avoid accidentally
* writing garbage over the boot sectors . We ought to check for
* more but it ' s not worth it for now . . .
*/
if (size < BOOT_MIN_SIZE || size > BOOT_MAX_SIZE) {
dev_err(adap->pdev_dev, "boot image too small/large\n" );
return -EFBIG;
}
if (le16_to_cpu(header->signature) != BOOT_SIGNATURE) {
dev_err(adap->pdev_dev, "Boot image missing signature\n" );
return -EINVAL;
}
/* Check PCI header signature */
if (le32_to_cpu(pcir_header->signature) != PCIR_SIGNATURE) {
dev_err(adap->pdev_dev, "PCI header missing signature\n" );
return -EINVAL;
}
/* Check Vendor ID matches Chelsio ID*/
if (le16_to_cpu(pcir_header->vendor_id) != PCI_VENDOR_ID_CHELSIO) {
dev_err(adap->pdev_dev, "Vendor ID missing signature\n" );
return -EINVAL;
}
/**
* The boot sector is comprised of the Expansion - ROM boot , iSCSI boot ,
* and Boot configuration data sections . These 3 boot sections span
* sectors 0 to 7 in flash and live right before the FW image location .
*/
i = DIV_ROUND_UP(size ? size : FLASH_FW_START, sf_sec_size);
ret = t4_flash_erase_sectors(adap, boot_sector >> 16 ,
(boot_sector >> 16 ) + i - 1 );
/**
* If size = = 0 then we ' re simply erasing the FLASH sectors associated
* with the on - adapter option ROM file
*/
if (ret || size == 0 )
goto out;
/* Retrieve adapter's device ID */
pci_read_config_word(adap->pdev, PCI_DEVICE_ID, &device_id);
/* Want to deal with PF 0 so I strip off PF 4 indicator */
device_id = device_id & 0 xf0ff;
/* Check PCIE Device ID */
if (le16_to_cpu(pcir_header->device_id) != device_id) {
/**
* Change the device ID in the Boot BIOS image to match
* the Device ID of the current adapter .
*/
modify_device_id(device_id, boot_data);
}
/**
* Skip over the first SF_PAGE_SIZE worth of data and write it after
* we finish copying the rest of the boot image . This will ensure
* that the BIOS boot header will only be written if the boot image
* was written in full .
*/
addr = boot_sector;
for (size -= SF_PAGE_SIZE; size; size -= SF_PAGE_SIZE) {
addr += SF_PAGE_SIZE;
boot_data += SF_PAGE_SIZE;
ret = t4_write_flash(adap, addr, SF_PAGE_SIZE, boot_data,
false );
if (ret)
goto out;
}
ret = t4_write_flash(adap, boot_sector, SF_PAGE_SIZE,
(const u8 *)header, false );
out:
if (ret)
dev_err(adap->pdev_dev, "boot image load failed, error %d\n" ,
ret);
return ret;
}
/**
* t4_flash_bootcfg_addr - return the address of the flash
* optionrom configuration
* @ adapter : the adapter
*
* Return the address within the flash where the OptionROM Configuration
* is stored , or an error if the device FLASH is too small to contain
* a OptionROM Configuration .
*/
static int t4_flash_bootcfg_addr(struct adapter *adapter)
{
/**
* If the device FLASH isn ' t large enough to hold a Firmware
* Configuration File , return an error .
*/
if (adapter->params.sf_size <
FLASH_BOOTCFG_START + FLASH_BOOTCFG_MAX_SIZE)
return -ENOSPC;
return FLASH_BOOTCFG_START;
}
int t4_load_bootcfg(struct adapter *adap, const u8 *cfg_data, unsigned int size)
{
unsigned int sf_sec_size = adap->params.sf_size / adap->params.sf_nsec;
struct cxgb4_bootcfg_data *header;
unsigned int flash_cfg_start_sec;
unsigned int addr, npad;
int ret, i, n, cfg_addr;
cfg_addr = t4_flash_bootcfg_addr(adap);
if (cfg_addr < 0 )
return cfg_addr;
addr = cfg_addr;
flash_cfg_start_sec = addr / SF_SEC_SIZE;
if (size > FLASH_BOOTCFG_MAX_SIZE) {
dev_err(adap->pdev_dev, "bootcfg file too large, max is %u bytes\n" ,
FLASH_BOOTCFG_MAX_SIZE);
return -EFBIG;
}
header = (struct cxgb4_bootcfg_data *)cfg_data;
if (le16_to_cpu(header->signature) != BOOT_CFG_SIG) {
dev_err(adap->pdev_dev, "Wrong bootcfg signature\n" );
ret = -EINVAL;
goto out;
}
i = DIV_ROUND_UP(FLASH_BOOTCFG_MAX_SIZE,
sf_sec_size);
ret = t4_flash_erase_sectors(adap, flash_cfg_start_sec,
flash_cfg_start_sec + i - 1 );
/**
* If size = = 0 then we ' re simply erasing the FLASH sectors associated
* with the on - adapter OptionROM Configuration File .
*/
if (ret || size == 0 )
goto out;
/* this will write to the flash up to SF_PAGE_SIZE at a time */
for (i = 0 ; i < size; i += SF_PAGE_SIZE) {
n = min_t(u32, size - i, SF_PAGE_SIZE);
ret = t4_write_flash(adap, addr, n, cfg_data, false );
if (ret)
goto out;
addr += SF_PAGE_SIZE;
cfg_data += SF_PAGE_SIZE;
}
npad = ((size + 4 - 1 ) & ~3 ) - size;
for (i = 0 ; i < npad; i++) {
u8 data = 0 ;
ret = t4_write_flash(adap, cfg_addr + size + i, 1 , &data,
false );
if (ret)
goto out;
}
out:
if (ret)
dev_err(adap->pdev_dev, "boot config data %s failed %d\n" ,
(size == 0 ? "clear" : "download" ), ret);
return ret;
}
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(vorverarbeitet am 2026-10-04)
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