// SPDX-License-Identifier: GPL-2.0-or-later
/******************************************************************************
* QLOGIC LINUX SOFTWARE
*
* QLogic QLA1280 ( Ultra2 ) and QLA12160 ( Ultra3 ) SCSI driver
* Copyright ( C ) 2000 Qlogic Corporation ( www . qlogic . com )
* Copyright ( C ) 2001 - 2004 Jes Sorensen , Wild Open Source Inc .
* Copyright ( C ) 2003 - 2004 Christoph Hellwig
*
******************************************************************************/
#define QLA1280_VERSION "3.27.1"
/*****************************************************************************
Revision History :
Rev 3 . 27 . 1 , February 8 , 2010 , Michael Reed
- Retain firmware image for error recovery .
Rev 3 . 27 , February 10 , 2009 , Michael Reed
- General code cleanup .
- Improve error recovery .
Rev 3 . 26 , January 16 , 2006 Jes Sorensen
- Ditch all < 2 . 6 support
Rev 3 . 25 . 1 , February 10 , 2005 Christoph Hellwig
- use pci_map_single to map non - S / G requests
- remove qla1280_proc_info
Rev 3 . 25 , September 28 , 2004 , Christoph Hellwig
- add support for ISP1020 / 1040
- don ' t include " scsi . h " anymore for 2 . 6 . x
Rev 3 . 24 . 4 June 7 , 2004 Christoph Hellwig
- restructure firmware loading , cleanup initialization code
- prepare support for ISP1020 / 1040 chips
Rev 3 . 24 . 3 January 19 , 2004 , Jes Sorensen
- Handle PCI DMA mask settings correctly
- Correct order of error handling in probe_one , free_irq should not
be called if request_irq failed
Rev 3 . 24 . 2 January 19 , 2004 , James Bottomley & Andrew Vasquez
- Big endian fixes ( James )
- Remove bogus IOCB content on zero data transfer commands ( Andrew )
Rev 3 . 24 . 1 January 5 , 2004 , Jes Sorensen
- Initialize completion queue to avoid OOPS on probe
- Handle interrupts during mailbox testing
Rev 3 . 24 November 17 , 2003 , Christoph Hellwig
- use struct list_head for completion queue
- avoid old Scsi_FOO typedefs
- cleanup 2 . 4 compat glue a bit
- use < scsi / scsi_ * . h > headers on 2 . 6 instead of " scsi . h "
- make initialization for memory mapped vs port I / O more similar
- remove broken pci config space manipulation
- kill more cruft
- this is an almost perfect 2 . 6 scsi driver now ! ; )
Rev 3 . 23 . 39 December 17 , 2003 , Jes Sorensen
- Delete completion queue from srb if mailbox command failed to
to avoid qla1280_done completeting qla1280_error_action ' s
obsolete context
- Reduce arguments for qla1280_done
Rev 3 . 23 . 38 October 18 , 2003 , Christoph Hellwig
- Convert to new - style hotplugable driver for 2 . 6
- Fix missing scsi_unregister / scsi_host_put on HBA removal
- Kill some more cruft
Rev 3 . 23 . 37 October 1 , 2003 , Jes Sorensen
- Make MMIO depend on CONFIG_X86_VISWS instead of yet another
random CONFIG option
- Clean up locking in probe path
Rev 3 . 23 . 36 October 1 , 2003 , Christoph Hellwig
- queuecommand only ever receives new commands - clear flags
- Reintegrate lost fixes from Linux 2 . 5
Rev 3 . 23 . 35 August 14 , 2003 , Jes Sorensen
- Build against 2 . 6
Rev 3 . 23 . 34 July 23 , 2003 , Jes Sorensen
- Remove pointless TRUE / FALSE macros
- Clean up vchan handling
Rev 3 . 23 . 33 July 3 , 2003 , Jes Sorensen
- Don ' t define register access macros before define determining MMIO .
This just happened to work out on ia64 but not elsewhere .
- Don ' t try and read from the card while it is in reset as
it won ' t respond and causes an MCA
Rev 3 . 23 . 32 June 23 , 2003 , Jes Sorensen
- Basic support for boot time arguments
Rev 3 . 23 . 31 June 8 , 2003 , Jes Sorensen
- Reduce boot time messages
Rev 3 . 23 . 30 June 6 , 2003 , Jes Sorensen
- Do not enable sync / wide / ppr before it has been determined
that the target device actually supports it
- Enable DMA arbitration for multi channel controllers
Rev 3 . 23 . 29 June 3 , 2003 , Jes Sorensen
- Port to 2 . 5 . 69
Rev 3 . 23 . 28 June 3 , 2003 , Jes Sorensen
- Eliminate duplicate marker commands on bus resets
- Handle outstanding commands appropriately on bus / device resets
Rev 3 . 23 . 27 May 28 , 2003 , Jes Sorensen
- Remove bogus input queue code , let the Linux SCSI layer do the work
- Clean up NVRAM handling , only read it once from the card
- Add a number of missing default nvram parameters
Rev 3 . 23 . 26 Beta May 28 , 2003 , Jes Sorensen
- Use completion queue for mailbox commands instead of busy wait
Rev 3 . 23 . 25 Beta May 27 , 2003 , James Bottomley
- Migrate to use new error handling code
Rev 3 . 23 . 24 Beta May 21 , 2003 , James Bottomley
- Big endian support
- Cleanup data direction code
Rev 3 . 23 . 23 Beta May 12 , 2003 , Jes Sorensen
- Switch to using MMIO instead of PIO
Rev 3 . 23 . 22 Beta April 15 , 2003 , Jes Sorensen
- Fix PCI parity problem with 12160 during reset .
Rev 3 . 23 . 21 Beta April 14 , 2003 , Jes Sorensen
- Use pci_map_page ( ) / pci_unmap_page ( ) instead of map_single version .
Rev 3 . 23 . 20 Beta April 9 , 2003 , Jes Sorensen
- Remove < 2 . 4 . x support
- Introduce HOST_LOCK to make the spin lock changes portable .
- Remove a bunch of idiotic and unnecessary typedef ' s
- Kill all leftovers of target - mode support which never worked anyway
Rev 3 . 23 . 19 Beta April 11 , 2002 , Linus Torvalds
- Do qla1280_pci_config ( ) before calling request_irq ( ) and
request_region ( )
- Use pci_dma_hi32 ( ) to handle upper word of DMA addresses instead
of large shifts
- Hand correct arguments to free_irq ( ) in case of failure
Rev 3 . 23 . 18 Beta April 11 , 2002 , Jes Sorensen
- Run source through Lindent and clean up the output
Rev 3 . 23 . 17 Beta April 11 , 2002 , Jes Sorensen
- Update SCSI firmware to qla1280 v8 . 15 . 00 and qla12160 v10 . 04 . 32
Rev 3 . 23 . 16 Beta March 19 , 2002 , Jes Sorensen
- Rely on mailbox commands generating interrupts - do not
run qla1280_isr ( ) from ql1280_mailbox_command ( )
- Remove device_reg_t
- Integrate ql12160_set_target_parameters ( ) with 1280 version
- Make qla1280_setup ( ) non static
- Do not call qla1280_check_for_dead_scsi_bus ( ) on every I / O request
sent to the card - this command pauses the firmware ! ! !
Rev 3 . 23 . 15 Beta March 19 , 2002 , Jes Sorensen
- Clean up qla1280 . h - remove obsolete QL_DEBUG_LEVEL_x definitions
- Remove a pile of pointless and confusing ( srb_t * * ) and
( scsi_lu_t * ) typecasts
- Explicit mark that we do not use the new error handling ( for now )
- Remove scsi_qla_host_t and use ' struct ' instead
- Remove in_abort , watchdog_enabled , dpc , dpc_sched , bios_enabled ,
pci_64bit_slot flags which weren ' t used for anything anyway
- Grab host - > host_lock while calling qla1280_isr ( ) from abort ( )
- Use spin_lock ( ) / spin_unlock ( ) in qla1280_intr_handler ( ) - we
do not need to save / restore flags in the interrupt handler
- Enable interrupts early ( before any mailbox access ) in preparation
for cleaning up the mailbox handling
Rev 3 . 23 . 14 Beta March 14 , 2002 , Jes Sorensen
- Further cleanups . Remove all trace of QL_DEBUG_LEVEL_x and replace
it with proper use of dprintk ( ) .
- Make qla1280_print_scsi_cmd ( ) and qla1280_dump_buffer ( ) both take
a debug level argument to determine if data is to be printed
- Add KERN_ * info to printk ( )
Rev 3 . 23 . 13 Beta March 14 , 2002 , Jes Sorensen
- Significant cosmetic cleanups
- Change debug code to use dprintk ( ) and remove # if mess
Rev 3 . 23 . 12 Beta March 13 , 2002 , Jes Sorensen
- More cosmetic cleanups , fix places treating return as function
- use cpu_relax ( ) in qla1280_debounce_register ( )
Rev 3 . 23 . 11 Beta March 13 , 2002 , Jes Sorensen
- Make it compile under 2 . 5 . 5
Rev 3 . 23 . 10 Beta October 1 , 2001 , Jes Sorensen
- Do no typecast short * to long * in QL1280BoardTbl , this
broke miserably on big endian boxes
Rev 3 . 23 . 9 Beta September 30 , 2001 , Jes Sorensen
- Remove pre 2 . 2 hack for checking for reentrance in interrupt handler
- Make data types used to receive from SCSI_ { BUS , TCN , LUN } _ 32
unsigned int to match the types from struct scsi_cmnd
Rev 3 . 23 . 8 Beta September 29 , 2001 , Jes Sorensen
- Remove bogus timer_t typedef from qla1280 . h
- Remove obsolete pre 2 . 2 PCI setup code , use proper # define ' s
for PCI_ values , call pci_set_master ( )
- Fix memleak of qla1280_buffer on module unload
- Only compile module parsing code # ifdef MODULE - should be
changed to use individual MODULE_PARM ' s later
- Remove dummy_buffer that was never modified nor printed
- ENTER ( ) / LEAVE ( ) are noops unless QL_DEBUG_LEVEL_3 , hence remove
# ifdef QL_DEBUG_LEVEL_3 / # endif around ENTER ( ) / LEAVE ( ) calls
- Remove \ r from print statements , this is Linux , not DOS
- Remove obsolete QLA1280_ { SCSILU , INTR , RING } _ { LOCK , UNLOCK }
dummy macros
- Remove C + + compile hack in header file as Linux driver are not
supposed to be compiled as C + +
- Kill MS_64BITS macro as it makes the code more readable
- Remove unnecessary flags . in_interrupts bit
Rev 3 . 23 . 7 Beta August 20 , 2001 , Jes Sorensen
- Dont ' check for set flags on q - > q_flag one by one in qla1280_next ( )
- Check whether the interrupt was generated by the QLA1280 before
doing any processing
- qla1280_status_entry ( ) : Only zero out part of sense_buffer that
is not being copied into
- Remove more superflouous typecasts
- qla1280_32bit_start_scsi ( ) replace home - brew memcpy ( ) with memcpy ( )
Rev 3 . 23 . 6 Beta August 20 , 2001 , Tony Luck , Intel
- Don ' t walk the entire list in qla1280_putq_t ( ) just to directly
grab the pointer to the last element afterwards
Rev 3 . 23 . 5 Beta August 9 , 2001 , Jes Sorensen
- Don ' t use IRQF_DISABLED , it ' s use is deprecated for this kinda driver
Rev 3 . 23 . 4 Beta August 8 , 2001 , Jes Sorensen
- Set dev - > max_sectors to 1024
Rev 3 . 23 . 3 Beta August 6 , 2001 , Jes Sorensen
- Provide compat macros for pci_enable_device ( ) , pci_find_subsys ( )
and scsi_set_pci_device ( )
- Call scsi_set_pci_device ( ) for all devices
- Reduce size of kernel version dependent device probe code
- Move duplicate probe / init code to separate function
- Handle error if qla1280_mem_alloc ( ) fails
- Kill OFFSET ( ) macro and use Linux ' s PCI definitions instead
- Kill private structure defining PCI config space ( struct config_reg )
- Only allocate I / O port region if not in MMIO mode
- Remove duplicate ( unused ) sanity check of sife of srb_t
Rev 3 . 23 . 2 Beta August 6 , 2001 , Jes Sorensen
- Change home - brew memset ( ) implementations to use memset ( )
- Remove all references to COMTRACE ( ) - accessing a PC ' s COM2 serial
port directly is not legal under Linux .
Rev 3 . 23 . 1 Beta April 24 , 2001 , Jes Sorensen
- Remove pre 2 . 2 kernel support
- clean up 64 bit DMA setting to use 2 . 4 API ( provide backwards compat )
- Fix MMIO access to use readl / writel instead of directly
dereferencing pointers
- Nuke MSDOS debugging code
- Change true / false data types to int from uint8_t
- Use int for counters instead of uint8_t etc .
- Clean up size & byte order conversion macro usage
Rev 3 . 23 Beta January 11 , 2001 BN Qlogic
- Added check of device_id when handling non
QLA12160s during detect ( ) .
Rev 3 . 22 Beta January 5 , 2001 BN Qlogic
- Changed queue_task ( ) to schedule_task ( )
for kernels 2 . 4 . 0 and higher .
Note : 2 . 4 . 0 - testxx kernels released prior to
the actual 2 . 4 . 0 kernel release on January 2001
will get compile / link errors with schedule_task ( ) .
Please update your kernel to released 2 . 4 . 0 level ,
or comment lines in this file flagged with 3 . 22
to resolve compile / link error of schedule_task ( ) .
- Added - DCONFIG_SMP in addition to - D__SMP__
in Makefile for 2 . 4 . 0 builds of driver as module .
Rev 3 . 21 Beta January 4 , 2001 BN Qlogic
- Changed criteria of 64 / 32 Bit mode of HBA
operation according to BITS_PER_LONG rather
than HBA ' s NVRAM setting of > 4 Gig memory bit ;
so that the HBA auto - configures without the need
to setup each system individually .
Rev 3 . 20 Beta December 5 , 2000 BN Qlogic
- Added priority handling to IA - 64 onboard SCSI
ISP12160 chip for kernels greater than 2 . 3 . 18 .
- Added irqrestore for qla1280_intr_handler .
- Enabled / proc / scsi / qla1280 interface .
- Clear / proc / scsi / qla1280 counters in detect ( ) .
Rev 3 . 19 Beta October 13 , 2000 BN Qlogic
- Declare driver_template for new kernel
( 2 . 4 . 0 and greater ) scsi initialization scheme .
- Update / proc / scsi entry for 2 . 3 . 18 kernels and
above as qla1280
Rev 3 . 18 Beta October 10 , 2000 BN Qlogic
- Changed scan order of adapters to map
the QLA12160 followed by the QLA1280 .
Rev 3 . 17 Beta September 18 , 2000 BN Qlogic
- Removed warnings for 32 bit 2 . 4 . x compiles
- Corrected declared size for request and response
DMA addresses that are kept in each ha
Rev . 3 . 16 Beta August 25 , 2000 BN Qlogic
- Corrected 64 bit addressing issue on IA - 64
where the upper 32 bits were not properly
passed to the RISC engine .
Rev . 3 . 15 Beta August 22 , 2000 BN Qlogic
- Modified qla1280_setup_chip to properly load
ISP firmware for greater that 4 Gig memory on IA - 64
Rev . 3 . 14 Beta August 16 , 2000 BN Qlogic
- Added setting of dma_mask to full 64 bit
if flags . enable_64bit_addressing is set in NVRAM
Rev . 3 . 13 Beta August 16 , 2000 BN Qlogic
- Use new PCI DMA mapping APIs for 2 . 4 . x kernel
Rev . 3 . 12 July 18 , 2000 Redhat & BN Qlogic
- Added check of pci_enable_device to detect ( ) for 2 . 3 . x
- Use pci_resource_start ( ) instead of
pdev - > resource [ 0 ] . start in detect ( ) for 2 . 3 . x
- Updated driver version
Rev . 3 . 11 July 14 , 2000 BN Qlogic
- Updated SCSI Firmware to following versions :
qla1x80 : 8 . 13 . 08
qla1x160 : 10 . 04 . 08
- Updated driver version to 3 . 11
Rev . 3 . 10 June 23 , 2000 BN Qlogic
- Added filtering of AMI SubSys Vendor ID devices
Rev . 3 . 9
- DEBUG_QLA1280 undefined and new version BN Qlogic
Rev . 3 . 08 b May 9 , 2000 MD Dell
- Added logic to check against AMI subsystem vendor ID
Rev . 3 . 08 May 4 , 2000 DG Qlogic
- Added logic to check for PCI subsystem ID .
Rev . 3 . 07 Apr 24 , 2000 DG & BN Qlogic
- Updated SCSI Firmware to following versions :
qla12160 : 10 . 01 . 19
qla1280 : 8 . 09 . 00
Rev . 3 . 06 Apr 12 , 2000 DG & BN Qlogic
- Internal revision ; not released
Rev . 3 . 05 Mar 28 , 2000 DG & BN Qlogic
- Edit correction for virt_to_bus and PROC .
Rev . 3 . 04 Mar 28 , 2000 DG & BN Qlogic
- Merge changes from ia64 port .
Rev . 3 . 03 Mar 28 , 2000 BN Qlogic
- Increase version to reflect new code drop with compile fix
of issue with inclusion of linux / spinlock for 2 . 3 kernels
Rev . 3 . 02 Mar 15 , 2000 BN Qlogic
- Merge qla1280_proc_info from 2 . 10 code base
Rev . 3 . 01 Feb 10 , 2000 BN Qlogic
- Corrected code to compile on a 2 . 2 . x kernel .
Rev . 3 . 00 Jan 17 , 2000 DG Qlogic
- Added 64 - bit support .
Rev . 2 . 07 Nov 9 , 1999 DG Qlogic
- Added new routine to set target parameters for ISP12160 .
Rev . 2 . 06 Sept 10 , 1999 DG Qlogic
- Added support for ISP12160 Ultra 3 chip .
Rev . 2 . 03 August 3 , 1999 Fred Lewis , Intel DuPont
- Modified code to remove errors generated when compiling with
Cygnus IA64 Compiler .
- Changed conversion of pointers to unsigned longs instead of integers .
- Changed type of I / O port variables from uint32_t to unsigned long .
- Modified OFFSET macro to work with 64 - bit as well as 32 - bit .
- Changed sprintf and printk format specifiers for pointers to % p .
- Changed some int to long type casts where needed in sprintf & printk .
- Added l modifiers to sprintf and printk format specifiers for longs .
- Removed unused local variables .
Rev . 1 . 20 June 8 , 1999 DG , Qlogic
Changes to support RedHat release 6 . 0 ( kernel 2 . 2 . 5 ) .
- Added SCSI exclusive access lock ( io_request_lock ) when accessing
the adapter .
- Added changes for the new LINUX interface template . Some new error
handling routines have been added to the template , but for now we
will use the old ones .
- Initial Beta Release .
*****************************************************************************/
#include <linux/module.h>
#include <linux/types.h>
#include <linux/string.h>
#include <linux/errno.h>
#include <linux/kernel.h>
#include <linux/ioport.h>
#include <linux/delay.h>
#include <linux/timer.h>
#include <linux/pci.h>
#include <linux/proc_fs.h>
#include <linux/stat.h>
#include <linux/pci_ids.h>
#include <linux/interrupt.h>
#include <linux/init.h>
#include <linux/dma-mapping.h>
#include <linux/firmware.h>
#include <asm /io.h>
#include <asm /irq.h>
#include <asm /byteorder.h>
#include <asm /processor.h>
#include <asm /types.h>
#include <scsi/scsi.h>
#include <scsi/scsi_cmnd.h>
#include <scsi/scsi_device.h>
#include <scsi/scsi_host.h>
#include <scsi/scsi_tcq.h>
/*
* Compile time Options :
* 0 - Disable and 1 - Enable
*/
#define DEBUG_QLA1280_INTR 0
#define DEBUG_PRINT_NVRAM 0
#define DEBUG_QLA1280 0
#define MEMORY_MAPPED_IO 1
#include "qla1280.h"
#ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT
#define QLA_64BIT_PTR 1
#endif
#define NVRAM_DELAY() udelay(500 ) /* 2 microseconds */
#define IS_ISP1040(ha) (ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP1020)
#define IS_ISP1x40(ha) (ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP1020 || \
ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP1240)
#define IS_ISP1x160(ha) (ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP10160 || \
ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP12160)
static int qla1280_probe_one(struct pci_dev *, const struct pci_device_id *);
static void qla1280_remove_one(struct pci_dev *);
/*
* QLogic Driver Support Function Prototypes .
*/
static void qla1280_done(struct scsi_qla_host *);
static int qla1280_get_token(char *);
static int qla1280_setup(char *s) __init;
/*
* QLogic ISP1280 Hardware Support Function Prototypes .
*/
static int qla1280_load_firmware(struct scsi_qla_host *);
static int qla1280_init_rings(struct scsi_qla_host *);
static int qla1280_nvram_config(struct scsi_qla_host *);
static int qla1280_mailbox_command(struct scsi_qla_host *,
uint8_t, uint16_t *);
static int qla1280_bus_reset(struct scsi_qla_host *, int );
static int qla1280_device_reset(struct scsi_qla_host *, int , int );
static int qla1280_abort_command(struct scsi_qla_host *, struct srb *, int );
static int qla1280_abort_isp(struct scsi_qla_host *);
#ifdef QLA_64BIT_PTR
static int qla1280_64bit_start_scsi(struct scsi_qla_host *, struct srb *);
#else
static int qla1280_32bit_start_scsi(struct scsi_qla_host *, struct srb *);
#endif
static void qla1280_nv_write(struct scsi_qla_host *, uint16_t);
static void qla1280_poll(struct scsi_qla_host *);
static void qla1280_reset_adapter(struct scsi_qla_host *);
static void qla1280_marker(struct scsi_qla_host *, int , int , int , u8);
static void qla1280_isp_cmd(struct scsi_qla_host *);
static void qla1280_isr(struct scsi_qla_host *, struct list_head *);
static void qla1280_rst_aen(struct scsi_qla_host *);
static void qla1280_status_entry(struct scsi_qla_host *, struct response *,
struct list_head *);
static void qla1280_error_entry(struct scsi_qla_host *, struct response *,
struct list_head *);
static uint16_t qla1280_get_nvram_word(struct scsi_qla_host *, uint32_t);
static uint16_t qla1280_nvram_request(struct scsi_qla_host *, uint32_t);
static uint16_t qla1280_debounce_register(volatile uint16_t __iomem *);
static request_t *qla1280_req_pkt(struct scsi_qla_host *);
static int qla1280_check_for_dead_scsi_bus(struct scsi_qla_host *,
unsigned int );
static void qla1280_get_target_parameters(struct scsi_qla_host *,
struct scsi_device *);
static int qla1280_set_target_parameters(struct scsi_qla_host *, int , int );
static struct qla_driver_setup driver_setup;
/*
* convert scsi data direction to request_t control flags
*/
static inline uint16_t
qla1280_data_direction(struct scsi_cmnd *cmnd)
{
switch (cmnd->sc_data_direction) {
case DMA_FROM_DEVICE:
return BIT_5;
case DMA_TO_DEVICE:
return BIT_6;
case DMA_BIDIRECTIONAL:
return BIT_5 | BIT_6;
/*
* We could BUG ( ) on default here if one of the four cases aren ' t
* met , but then again if we receive something like that from the
* SCSI layer we have more serious problems . This shuts up GCC .
*/
case DMA_NONE:
default :
return 0 ;
}
}
#if DEBUG_QLA1280
static void __qla1280_print_scsi_cmd(struct scsi_cmnd * cmd);
static void __qla1280_dump_buffer(char *, int );
#endif
/*
* insmod needs to find the variable and make it point to something
*/
#ifdef MODULE
static char *qla1280;
/* insmod qla1280 options=verbose" */
module_param(qla1280, charp, 0 );
#else
__setup("qla1280=" , qla1280_setup);
#endif
#define CMD_CDBLEN(Cmnd) Cmnd->cmd_len
#define CMD_CDBP(Cmnd) Cmnd->cmnd
#define CMD_SNSP(Cmnd) Cmnd->sense_buffer
#define CMD_SNSLEN(Cmnd) SCSI_SENSE_BUFFERSIZE
#define CMD_RESULT(Cmnd) Cmnd->result
#define CMD_HANDLE(Cmnd) Cmnd->host_scribble
#define CMD_HOST(Cmnd) Cmnd->device->host
#define SCSI_BUS_32(Cmnd) Cmnd->device->channel
#define SCSI_TCN_32(Cmnd) Cmnd->device->id
#define SCSI_LUN_32(Cmnd) Cmnd->device->lun
/*****************************************/
/* ISP Boards supported by this driver */
/*****************************************/
struct qla_boards {
char *name; /* Board ID String */
int numPorts; /* Number of SCSI ports */
int fw_index; /* index into qla1280_fw_tbl for firmware */
};
/* NOTE: the last argument in each entry is used to index ql1280_board_tbl */
static const struct pci_device_id qla1280_pci_tbl[] = {
{PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP12160,
PCI_ANY_ID, PCI_ANY_ID, 0 , 0 , 0 },
{PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP1020,
PCI_ANY_ID, PCI_ANY_ID, 0 , 0 , 1 },
{PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP1080,
PCI_ANY_ID, PCI_ANY_ID, 0 , 0 , 2 },
{PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP1240,
PCI_ANY_ID, PCI_ANY_ID, 0 , 0 , 3 },
{PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP1280,
PCI_ANY_ID, PCI_ANY_ID, 0 , 0 , 4 },
{PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP10160,
PCI_ANY_ID, PCI_ANY_ID, 0 , 0 , 5 },
{0 ,}
};
MODULE_DEVICE_TABLE(pci, qla1280_pci_tbl);
static DEFINE_MUTEX(qla1280_firmware_mutex);
struct qla_fw {
char *fwname;
const struct firmware *fw;
};
#define QL_NUM_FW_IMAGES 3
static struct qla_fw qla1280_fw_tbl[QL_NUM_FW_IMAGES] = {
{"qlogic/1040.bin" , NULL}, /* image 0 */
{"qlogic/1280.bin" , NULL}, /* image 1 */
{"qlogic/12160.bin" , NULL}, /* image 2 */
};
/* NOTE: Order of boards in this table must match order in qla1280_pci_tbl */
static struct qla_boards ql1280_board_tbl[] = {
{.name = "QLA12160" , .numPorts = 2 , .fw_index = 2 },
{.name = "QLA1040" , .numPorts = 1 , .fw_index = 0 },
{.name = "QLA1080" , .numPorts = 1 , .fw_index = 1 },
{.name = "QLA1240" , .numPorts = 2 , .fw_index = 1 },
{.name = "QLA1280" , .numPorts = 2 , .fw_index = 1 },
{.name = "QLA10160" , .numPorts = 1 , .fw_index = 2 },
{.name = " " , .numPorts = 0 , .fw_index = -1 },
};
static int qla1280_verbose = 1 ;
#if DEBUG_QLA1280
static int ql_debug_level = 1 ;
#define dprintk(level, format, a...) \
do { if (ql_debug_level >= level) printk(KERN_ERR format, ## a); } while (0 )
#define qla1280_dump_buffer(level, buf, size) \
if (ql_debug_level >= level) __qla1280_dump_buffer(buf, size)
#define qla1280_print_scsi_cmd(level, cmd) \
if (ql_debug_level >= level) __qla1280_print_scsi_cmd(cmd)
#else
#define ql_debug_level 0
#define dprintk(level, format, a...) do {}while (0 )
#define qla1280_dump_buffer(a, b, c) do {}while (0 )
#define qla1280_print_scsi_cmd(a, b) do {}while (0 )
#endif
#define ENTER(x) dprintk(3 , "qla1280 : Entering %s()\n" , x);
#define LEAVE(x) dprintk(3 , "qla1280 : Leaving %s()\n" , x);
#define ENTER_INTR(x) dprintk(4 , "qla1280 : Entering %s()\n" , x);
#define LEAVE_INTR(x) dprintk(4 , "qla1280 : Leaving %s()\n" , x);
static int qla1280_read_nvram(struct scsi_qla_host *ha)
{
uint16_t *wptr;
uint8_t chksum;
int cnt, i;
struct nvram *nv;
ENTER("qla1280_read_nvram" );
if (driver_setup.no_nvram)
return 1 ;
printk(KERN_INFO "scsi(%ld): Reading NVRAM\n" , ha->host_no);
wptr = (uint16_t *)&ha->nvram;
nv = &ha->nvram;
chksum = 0 ;
for (cnt = 0 ; cnt < 3 ; cnt++) {
*wptr = qla1280_get_nvram_word(ha, cnt);
chksum += *wptr & 0 xff;
chksum += (*wptr >> 8 ) & 0 xff;
wptr++;
}
if (nv->id0 != 'I' || nv->id1 != 'S' ||
nv->id2 != 'P' || nv->id3 != ' ' || nv->version < 1 ) {
dprintk(2 , "Invalid nvram ID or version!\n" );
chksum = 1 ;
} else {
for (; cnt < sizeof (struct nvram); cnt++) {
*wptr = qla1280_get_nvram_word(ha, cnt);
chksum += *wptr & 0 xff;
chksum += (*wptr >> 8 ) & 0 xff;
wptr++;
}
}
dprintk(3 , "qla1280_read_nvram: NVRAM Magic ID= %c %c %c %02x"
" version %i\n" , nv->id0, nv->id1, nv->id2, nv->id3,
nv->version);
if (chksum) {
if (!driver_setup.no_nvram)
printk(KERN_WARNING "scsi(%ld): Unable to identify or "
"validate NVRAM checksum, using default "
"settings\n" , ha->host_no);
ha->nvram_valid = 0 ;
} else
ha->nvram_valid = 1 ;
/* The firmware interface is, um, interesting, in that the
* actual firmware image on the chip is little endian , thus ,
* the process of taking that image to the CPU would end up
* little endian . However , the firmware interface requires it
* to be read a word ( two bytes ) at a time .
*
* The net result of this would be that the word ( and
* doubleword ) quantities in the firmware would be correct , but
* the bytes would be pairwise reversed . Since most of the
* firmware quantities are , in fact , bytes , we do an extra
* le16_to_cpu ( ) in the firmware read routine .
*
* The upshot of all this is that the bytes in the firmware
* are in the correct places , but the 16 and 32 bit quantities
* are still in little endian format . We fix that up below by
* doing extra reverses on them */
nv->isp_parameter = cpu_to_le16(nv->isp_parameter);
nv->firmware_feature.w = cpu_to_le16(nv->firmware_feature.w);
for (i = 0 ; i < MAX_BUSES; i++) {
nv->bus[i].selection_timeout = cpu_to_le16(nv->bus[i].selection_timeout);
nv->bus[i].max_queue_depth = cpu_to_le16(nv->bus[i].max_queue_depth);
}
dprintk(1 , "qla1280_read_nvram: Completed Reading NVRAM\n" );
LEAVE("qla1280_read_nvram" );
return chksum;
}
/**************************************************************************
* qla1280_info
* Return a string describing the driver .
**************************************************************************/
static const char *
qla1280_info(struct Scsi_Host *host)
{
static char qla1280_scsi_name_buffer[125 ];
char *bp;
struct scsi_qla_host *ha;
struct qla_boards *bdp;
bp = &qla1280_scsi_name_buffer[0 ];
ha = (struct scsi_qla_host *)host->hostdata;
bdp = &ql1280_board_tbl[ha->devnum];
memset(bp, 0 , sizeof (qla1280_scsi_name_buffer));
sprintf (bp,
"QLogic %s PCI to SCSI Host Adapter\n"
" Firmware version: %2d.%02d.%02d, Driver version %s" ,
&bdp->name[0 ], ha->fwver1, ha->fwver2, ha->fwver3,
QLA1280_VERSION);
return bp;
}
/**************************************************************************
* qla1280_queuecommand
* Queue a command to the controller .
*
* Note :
* The mid - level driver tries to ensures that queuecommand never gets invoked
* concurrently with itself or the interrupt handler ( although the
* interrupt handler may call this routine as part of request - completion
* handling ) . Unfortunately , it sometimes calls the scheduler in interrupt
* context which is a big NO ! NO ! .
**************************************************************************/
static int qla1280_queuecommand_lck(struct scsi_cmnd *cmd)
{
struct Scsi_Host *host = cmd->device->host;
struct scsi_qla_host *ha = (struct scsi_qla_host *)host->hostdata;
struct srb *sp = scsi_cmd_priv(cmd);
int status;
sp->cmd = cmd;
sp->flags = 0 ;
sp->wait = NULL;
CMD_HANDLE(cmd) = (unsigned char *)NULL;
qla1280_print_scsi_cmd(5 , cmd);
#ifdef QLA_64BIT_PTR
/*
* Using 64 bit commands if the PCI bridge doesn ' t support it is a
* bit wasteful , however this should really only happen if one ' s
* PCI controller is completely broken , like the BCM1250 . For
* sane hardware this is not an issue .
*/
status = qla1280_64bit_start_scsi(ha, sp);
#else
status = qla1280_32bit_start_scsi(ha, sp);
#endif
return status;
}
static DEF_SCSI_QCMD(qla1280_queuecommand)
enum action {
ABORT_COMMAND,
DEVICE_RESET,
BUS_RESET,
};
static void qla1280_mailbox_timeout(struct timer_list *t)
{
struct scsi_qla_host *ha = timer_container_of(ha, t, mailbox_timer);
struct device_reg __iomem *reg;
reg = ha->iobase;
ha->mailbox_out[0 ] = RD_REG_WORD(®->mailbox0);
printk(KERN_ERR "scsi(%ld): mailbox timed out, mailbox0 %04x, "
"ictrl %04x, istatus %04x\n" , ha->host_no, ha->mailbox_out[0 ],
RD_REG_WORD(®->ictrl), RD_REG_WORD(®->istatus));
complete(ha->mailbox_wait);
}
static int
_qla1280_wait_for_single_command(struct scsi_qla_host *ha, struct srb *sp,
struct completion *wait)
{
int status = FAILED;
struct scsi_cmnd *cmd = sp->cmd;
spin_unlock_irq(ha->host->host_lock);
wait_for_completion_timeout(wait, 4 *HZ);
spin_lock_irq(ha->host->host_lock);
sp->wait = NULL;
if (CMD_HANDLE(cmd) == COMPLETED_HANDLE) {
status = SUCCESS;
scsi_done(cmd);
}
return status;
}
static int
qla1280_wait_for_single_command(struct scsi_qla_host *ha, struct srb *sp)
{
DECLARE_COMPLETION_ONSTACK(wait);
sp->wait = &wait;
return _qla1280_wait_for_single_command(ha, sp, &wait);
}
static int
qla1280_wait_for_pending_commands(struct scsi_qla_host *ha, int bus, int target)
{
int cnt;
int status;
struct srb *sp;
struct scsi_cmnd *cmd;
status = SUCCESS;
/*
* Wait for all commands with the designated bus / target
* to be completed by the firmware
*/
for (cnt = 0 ; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
sp = ha->outstanding_cmds[cnt];
if (sp) {
cmd = sp->cmd;
if (bus >= 0 && SCSI_BUS_32(cmd) != bus)
continue ;
if (target >= 0 && SCSI_TCN_32(cmd) != target)
continue ;
status = qla1280_wait_for_single_command(ha, sp);
if (status == FAILED)
break ;
}
}
return status;
}
/**************************************************************************
* qla1280_error_action
* The function will attempt to perform a specified error action and
* wait for the results ( or time out ) .
*
* Input :
* cmd = Linux SCSI command packet of the command that cause the
* bus reset .
* action = error action to take ( see action_t )
*
* Returns :
* SUCCESS or FAILED
*
**************************************************************************/
static int
qla1280_error_action(struct scsi_cmnd *cmd, enum action action)
{
struct scsi_qla_host *ha;
int bus, target, lun;
struct srb *sp;
int i, found;
int result=FAILED;
int wait_for_bus=-1 ;
int wait_for_target = -1 ;
DECLARE_COMPLETION_ONSTACK(wait);
ENTER("qla1280_error_action" );
ha = (struct scsi_qla_host *)(CMD_HOST(cmd)->hostdata);
sp = scsi_cmd_priv(cmd);
bus = SCSI_BUS_32(cmd);
target = SCSI_TCN_32(cmd);
lun = SCSI_LUN_32(cmd);
dprintk(4 , "error_action %i, istatus 0x%04x\n" , action,
RD_REG_WORD(&ha->iobase->istatus));
dprintk(4 , "host_cmd 0x%04x, ictrl 0x%04x, jiffies %li\n" ,
RD_REG_WORD(&ha->iobase->host_cmd),
RD_REG_WORD(&ha->iobase->ictrl), jiffies);
if (qla1280_verbose)
printk(KERN_INFO "scsi(%li): Resetting Cmnd=0x%p, "
"Handle=0x%p, action=0x%x\n" ,
ha->host_no, cmd, CMD_HANDLE(cmd), action);
/*
* Check to see if we have the command in the outstanding_cmds [ ]
* array . If not then it must have completed before this error
* action was initiated . If the error_action isn ' t ABORT_COMMAND
* then the driver must proceed with the requested action .
*/
found = -1 ;
for (i = 0 ; i < MAX_OUTSTANDING_COMMANDS; i++) {
if (sp == ha->outstanding_cmds[i]) {
found = i;
sp->wait = &wait; /* we'll wait for it to complete */
break ;
}
}
if (found < 0 ) { /* driver doesn't have command */
result = SUCCESS;
if (qla1280_verbose) {
printk(KERN_INFO
"scsi(%ld:%d:%d:%d): specified command has "
"already completed.\n" , ha->host_no, bus,
target, lun);
}
}
switch (action) {
case ABORT_COMMAND:
dprintk(1 , "qla1280: RISC aborting command\n" );
/*
* The abort might fail due to race when the host_lock
* is released to issue the abort . As such , we
* don ' t bother to check the return status .
*/
if (found >= 0 )
qla1280_abort_command(ha, sp, found);
break ;
case DEVICE_RESET:
if (qla1280_verbose)
printk(KERN_INFO
"scsi(%ld:%d:%d:%d): Queueing device reset "
"command.\n" , ha->host_no, bus, target, lun);
if (qla1280_device_reset(ha, bus, target) == 0 ) {
/* issued device reset, set wait conditions */
wait_for_bus = bus;
wait_for_target = target;
}
break ;
case BUS_RESET:
if (qla1280_verbose)
printk(KERN_INFO "qla1280(%ld:%d): Issued bus "
"reset.\n" , ha->host_no, bus);
if (qla1280_bus_reset(ha, bus) == 0 ) {
/* issued bus reset, set wait conditions */
wait_for_bus = bus;
}
break ;
default :
dprintk(1 , "RESET invalid action %d\n" , action);
return FAILED;
}
/*
* At this point , the host_lock has been released and retaken
* by the issuance of the mailbox command .
* Wait for the command passed in by the mid - layer if it
* was found by the driver . It might have been returned
* between eh recovery steps , hence the check of the " found "
* variable .
*/
if (found >= 0 )
result = _qla1280_wait_for_single_command(ha, sp, &wait);
if (action == ABORT_COMMAND && result != SUCCESS) {
printk(KERN_WARNING
"scsi(%li:%i:%i:%i): "
"Unable to abort command!\n" ,
ha->host_no, bus, target, lun);
}
/*
* If the command passed in by the mid - layer has been
* returned by the board , then wait for any additional
* commands which are supposed to complete based upon
* the error action .
*
* All commands are unconditionally returned during a
* call to qla1280_abort_isp ( ) , ADAPTER_RESET . No need
* to wait for them .
*/
if (result == SUCCESS && wait_for_bus >= 0 ) {
result = qla1280_wait_for_pending_commands(ha,
wait_for_bus, wait_for_target);
}
dprintk(1 , "RESET returning %d\n" , result);
LEAVE("qla1280_error_action" );
return result;
}
/**************************************************************************
* qla1280_abort
* Abort the specified SCSI command ( s ) .
**************************************************************************/
static int
qla1280_eh_abort(struct scsi_cmnd * cmd)
{
int rc;
spin_lock_irq(cmd->device->host->host_lock);
rc = qla1280_error_action(cmd, ABORT_COMMAND);
spin_unlock_irq(cmd->device->host->host_lock);
return rc;
}
/**************************************************************************
* qla1280_device_reset
* Reset the specified SCSI device
**************************************************************************/
static int
qla1280_eh_device_reset(struct scsi_cmnd *cmd)
{
int rc;
spin_lock_irq(cmd->device->host->host_lock);
rc = qla1280_error_action(cmd, DEVICE_RESET);
spin_unlock_irq(cmd->device->host->host_lock);
return rc;
}
/**************************************************************************
* qla1280_bus_reset
* Reset the specified bus .
**************************************************************************/
static int
qla1280_eh_bus_reset(struct scsi_cmnd *cmd)
{
int rc;
spin_lock_irq(cmd->device->host->host_lock);
rc = qla1280_error_action(cmd, BUS_RESET);
spin_unlock_irq(cmd->device->host->host_lock);
return rc;
}
/**************************************************************************
* qla1280_adapter_reset
* Reset the specified adapter ( both channels )
**************************************************************************/
static int
qla1280_eh_adapter_reset(struct scsi_cmnd *cmd)
{
int rc = SUCCESS;
struct Scsi_Host *shost = cmd->device->host;
struct scsi_qla_host *ha = (struct scsi_qla_host *)shost->hostdata;
spin_lock_irq(shost->host_lock);
if (qla1280_verbose) {
printk(KERN_INFO
"scsi(%ld): Issued ADAPTER RESET\n" ,
ha->host_no);
printk(KERN_INFO "scsi(%ld): I/O processing will "
"continue automatically\n" , ha->host_no);
}
ha->flags.reset_active = 1 ;
if (qla1280_abort_isp(ha) != 0 ) { /* it's dead */
rc = FAILED;
}
ha->flags.reset_active = 0 ;
spin_unlock_irq(shost->host_lock);
return rc;
}
static int
qla1280_biosparam(struct scsi_device *sdev, struct block_device *bdev,
sector_t capacity, int geom[])
{
int heads, sectors, cylinders;
heads = 64 ;
sectors = 32 ;
cylinders = (unsigned long )capacity / (heads * sectors);
if (cylinders > 1024 ) {
heads = 255 ;
sectors = 63 ;
cylinders = (unsigned long )capacity / (heads * sectors);
/* if (cylinders > 1023)
cylinders = 1023; */
}
geom[0 ] = heads;
geom[1 ] = sectors;
geom[2 ] = cylinders;
return 0 ;
}
/* disable risc and host interrupts */
static inline void
qla1280_disable_intrs(struct scsi_qla_host *ha)
{
WRT_REG_WORD(&ha->iobase->ictrl, 0 );
RD_REG_WORD(&ha->iobase->ictrl); /* PCI Posted Write flush */
}
/* enable risc and host interrupts */
static inline void
qla1280_enable_intrs(struct scsi_qla_host *ha)
{
WRT_REG_WORD(&ha->iobase->ictrl, (ISP_EN_INT | ISP_EN_RISC));
RD_REG_WORD(&ha->iobase->ictrl); /* PCI Posted Write flush */
}
/**************************************************************************
* qla1280_intr_handler
* Handles the H / W interrupt
**************************************************************************/
static irqreturn_t
qla1280_intr_handler(int irq, void *dev_id)
{
struct scsi_qla_host *ha;
struct device_reg __iomem *reg;
u16 data;
int handled = 0 ;
ENTER_INTR ("qla1280_intr_handler" );
ha = (struct scsi_qla_host *)dev_id;
spin_lock(ha->host->host_lock);
ha->isr_count++;
reg = ha->iobase;
qla1280_disable_intrs(ha);
data = qla1280_debounce_register(®->istatus);
/* Check for pending interrupts. */
if (data & RISC_INT) {
qla1280_isr(ha, &ha->done_q);
handled = 1 ;
}
if (!list_empty(&ha->done_q))
qla1280_done(ha);
spin_unlock(ha->host->host_lock);
qla1280_enable_intrs(ha);
LEAVE_INTR("qla1280_intr_handler" );
return IRQ_RETVAL(handled);
}
static int
qla1280_set_target_parameters(struct scsi_qla_host *ha, int bus, int target)
{
uint8_t mr;
uint16_t mb[MAILBOX_REGISTER_COUNT];
struct nvram *nv;
int status, lun;
nv = &ha->nvram;
mr = BIT_3 | BIT_2 | BIT_1 | BIT_0;
/* Set Target Parameters. */
mb[0 ] = MBC_SET_TARGET_PARAMETERS;
mb[1 ] = (uint16_t)((bus ? target | BIT_7 : target) << 8 );
mb[2 ] = nv->bus[bus].target[target].parameter.renegotiate_on_error << 8 ;
mb[2 ] |= nv->bus[bus].target[target].parameter.stop_queue_on_check << 9 ;
mb[2 ] |= nv->bus[bus].target[target].parameter.auto_request_sense << 10 ;
mb[2 ] |= nv->bus[bus].target[target].parameter.tag_queuing << 11 ;
mb[2 ] |= nv->bus[bus].target[target].parameter.enable_sync << 12 ;
mb[2 ] |= nv->bus[bus].target[target].parameter.enable_wide << 13 ;
mb[2 ] |= nv->bus[bus].target[target].parameter.parity_checking << 14 ;
mb[2 ] |= nv->bus[bus].target[target].parameter.disconnect_allowed << 15 ;
if (IS_ISP1x160(ha)) {
mb[2 ] |= nv->bus[bus].target[target].ppr_1x160.flags.enable_ppr << 5 ;
mb[3 ] = (nv->bus[bus].target[target].flags.flags1x160.sync_offset << 8 );
mb[6 ] = (nv->bus[bus].target[target].ppr_1x160.flags.ppr_options << 8 ) |
nv->bus[bus].target[target].ppr_1x160.flags.ppr_bus_width;
mr |= BIT_6;
} else {
mb[3 ] = (nv->bus[bus].target[target].flags.flags1x80.sync_offset << 8 );
}
mb[3 ] |= nv->bus[bus].target[target].sync_period;
status = qla1280_mailbox_command(ha, mr, mb);
/* Set Device Queue Parameters. */
for (lun = 0 ; lun < MAX_LUNS; lun++) {
mb[0 ] = MBC_SET_DEVICE_QUEUE;
mb[1 ] = (uint16_t)((bus ? target | BIT_7 : target) << 8 );
mb[1 ] |= lun;
mb[2 ] = nv->bus[bus].max_queue_depth;
mb[3 ] = nv->bus[bus].target[target].execution_throttle;
status |= qla1280_mailbox_command(ha, 0 x0f, mb);
}
if (status)
printk(KERN_WARNING "scsi(%ld:%i:%i): "
"qla1280_set_target_parameters() failed\n" ,
ha->host_no, bus, target);
return status;
}
/**************************************************************************
* qla1280_sdev_configure
*
* Description :
* Determines the queue depth for a given device . There are two ways
* a queue depth can be obtained for a tagged queueing device . One
* way is the default queue depth which is determined by whether
* If it is defined , then it is used
* as the default queue depth . Otherwise , we use either 4 or 8 as the
* default queue depth ( dependent on the number of hardware SCBs ) .
**************************************************************************/
static int
qla1280_sdev_configure(struct scsi_device *device, struct queue_limits *lim)
{
struct scsi_qla_host *ha;
int default_depth = 3 ;
int bus = device->channel;
int target = device->id;
int status = 0 ;
struct nvram *nv;
unsigned long flags;
ha = (struct scsi_qla_host *)device->host->hostdata;
nv = &ha->nvram;
if (qla1280_check_for_dead_scsi_bus(ha, bus))
return 1 ;
if (device->tagged_supported &&
(ha->bus_settings[bus].qtag_enables & (BIT_0 << target))) {
scsi_change_queue_depth(device, ha->bus_settings[bus].hiwat);
} else {
scsi_change_queue_depth(device, default_depth);
}
nv->bus[bus].target[target].parameter.enable_sync = device->sdtr;
nv->bus[bus].target[target].parameter.enable_wide = device->wdtr;
nv->bus[bus].target[target].ppr_1x160.flags.enable_ppr = device->ppr;
if (driver_setup.no_sync ||
(driver_setup.sync_mask &&
(~driver_setup.sync_mask & (1 << target))))
nv->bus[bus].target[target].parameter.enable_sync = 0 ;
if (driver_setup.no_wide ||
(driver_setup.wide_mask &&
(~driver_setup.wide_mask & (1 << target))))
nv->bus[bus].target[target].parameter.enable_wide = 0 ;
if (IS_ISP1x160(ha)) {
if (driver_setup.no_ppr ||
(driver_setup.ppr_mask &&
(~driver_setup.ppr_mask & (1 << target))))
nv->bus[bus].target[target].ppr_1x160.flags.enable_ppr = 0 ;
}
spin_lock_irqsave(ha->host->host_lock, flags);
if (nv->bus[bus].target[target].parameter.enable_sync)
status = qla1280_set_target_parameters(ha, bus, target);
qla1280_get_target_parameters(ha, device);
spin_unlock_irqrestore(ha->host->host_lock, flags);
return status;
}
/*
* qla1280_done
* Process completed commands .
*
* Input :
* ha = adapter block pointer .
*/
static void
qla1280_done(struct scsi_qla_host *ha)
{
struct srb *sp;
struct list_head *done_q;
int bus, target;
struct scsi_cmnd *cmd;
ENTER("qla1280_done" );
done_q = &ha->done_q;
while (!list_empty(done_q)) {
sp = list_entry(done_q->next, struct srb, list);
list_del(&sp->list);
cmd = sp->cmd;
bus = SCSI_BUS_32(cmd);
target = SCSI_TCN_32(cmd);
switch ((CMD_RESULT(cmd) >> 16 )) {
case DID_RESET:
/* Issue marker command. */
if (!ha->flags.abort_isp_active)
qla1280_marker(ha, bus, target, 0 , MK_SYNC_ID);
break ;
case DID_ABORT:
sp->flags &= ~SRB_ABORT_PENDING;
sp->flags |= SRB_ABORTED;
break ;
default :
break ;
}
/* Release memory used for this I/O */
scsi_dma_unmap(cmd);
/* Call the mid-level driver interrupt handler */
ha->actthreads--;
if (sp->wait == NULL)
scsi_done(cmd);
else
complete(sp->wait);
}
LEAVE("qla1280_done" );
}
/*
* Translates a ISP error to a Linux SCSI error
*/
static int
qla1280_return_status(struct response * sts, struct scsi_cmnd *cp)
{
int host_status = DID_ERROR;
uint16_t comp_status = le16_to_cpu(sts->comp_status);
uint16_t state_flags = le16_to_cpu(sts->state_flags);
uint32_t residual_length = le32_to_cpu(sts->residual_length);
uint16_t scsi_status = le16_to_cpu(sts->scsi_status);
#if DEBUG_QLA1280_INTR
static char *reason[] = {
"DID_OK" ,
"DID_NO_CONNECT" ,
"DID_BUS_BUSY" ,
"DID_TIME_OUT" ,
"DID_BAD_TARGET" ,
"DID_ABORT" ,
"DID_PARITY" ,
"DID_ERROR" ,
"DID_RESET" ,
"DID_BAD_INTR"
};
#endif /* DEBUG_QLA1280_INTR */
ENTER("qla1280_return_status" );
#if DEBUG_QLA1280_INTR
/*
dprintk ( 1 , " qla1280_return_status : compl status = 0 x % 04 x \ n " ,
comp_status ) ;
*/
#endif
switch (comp_status) {
case CS_COMPLETE:
host_status = DID_OK;
break ;
case CS_INCOMPLETE:
if (!(state_flags & SF_GOT_BUS))
host_status = DID_NO_CONNECT;
else if (!(state_flags & SF_GOT_TARGET))
host_status = DID_BAD_TARGET;
else if (!(state_flags & SF_SENT_CDB))
host_status = DID_ERROR;
else if (!(state_flags & SF_TRANSFERRED_DATA))
host_status = DID_ERROR;
else if (!(state_flags & SF_GOT_STATUS))
host_status = DID_ERROR;
else if (!(state_flags & SF_GOT_SENSE))
host_status = DID_ERROR;
break ;
case CS_RESET:
host_status = DID_RESET;
break ;
case CS_ABORTED:
host_status = DID_ABORT;
break ;
case CS_TIMEOUT:
host_status = DID_TIME_OUT;
break ;
case CS_DATA_OVERRUN:
dprintk(2 , "Data overrun 0x%x\n" , residual_length);
dprintk(2 , "qla1280_return_status: response packet data\n" );
qla1280_dump_buffer(2 , (char *)sts, RESPONSE_ENTRY_SIZE);
host_status = DID_ERROR;
break ;
case CS_DATA_UNDERRUN:
if ((scsi_bufflen(cp) - residual_length) <
cp->underflow) {
printk(KERN_WARNING
"scsi: Underflow detected - retrying "
"command.\n" );
host_status = DID_ERROR;
} else {
scsi_set_resid(cp, residual_length);
host_status = DID_OK;
}
break ;
default :
host_status = DID_ERROR;
break ;
}
#if DEBUG_QLA1280_INTR
dprintk(1 , "qla1280 ISP status: host status (%s) scsi status %x\n" ,
reason[host_status], scsi_status);
#endif
LEAVE("qla1280_return_status" );
return (scsi_status & 0 xff) | (host_status << 16 );
}
/****************************************************************************/
/* QLogic ISP1280 Hardware Support Functions. */
/****************************************************************************/
/*
* qla1280_initialize_adapter
* Initialize board .
*
* Input :
* ha = adapter block pointer .
*
* Returns :
* 0 = success
*/
static int
qla1280_initialize_adapter(struct scsi_qla_host *ha)
{
struct device_reg __iomem *reg;
int status;
int bus;
unsigned long flags;
ENTER("qla1280_initialize_adapter" );
/* Clear adapter flags. */
ha->flags.online = 0 ;
ha->flags.disable_host_adapter = 0 ;
ha->flags.reset_active = 0 ;
ha->flags.abort_isp_active = 0 ;
/* TODO: implement support for the 1040 nvram format */
if (IS_ISP1040(ha))
driver_setup.no_nvram = 1 ;
dprintk(1 , "Configure PCI space for adapter...\n" );
reg = ha->iobase;
/* Insure mailbox registers are free. */
WRT_REG_WORD(®->semaphore, 0 );
WRT_REG_WORD(®->host_cmd, HC_CLR_RISC_INT);
WRT_REG_WORD(®->host_cmd, HC_CLR_HOST_INT);
RD_REG_WORD(®->host_cmd);
if (qla1280_read_nvram(ha)) {
dprintk(2 , "qla1280_initialize_adapter: failed to read "
"NVRAM\n" );
}
/*
* It ' s necessary to grab the spin here as qla1280_mailbox_command
* needs to be able to drop the lock unconditionally to wait
* for completion .
*/
spin_lock_irqsave(ha->host->host_lock, flags);
status = qla1280_load_firmware(ha);
if (status) {
printk(KERN_ERR "scsi(%li): initialize: pci probe failed!\n" ,
ha->host_no);
goto out;
}
/* Setup adapter based on NVRAM parameters. */
dprintk(1 , "scsi(%ld): Configure NVRAM parameters\n" , ha->host_no);
qla1280_nvram_config(ha);
if (ha->flags.disable_host_adapter) {
status = 1 ;
goto out;
}
status = qla1280_init_rings(ha);
if (status)
goto out;
/* Issue SCSI reset, if we can't reset twice then bus is dead */
for (bus = 0 ; bus < ha->ports; bus++) {
if (!ha->bus_settings[bus].disable_scsi_reset &&
qla1280_bus_reset(ha, bus) &&
qla1280_bus_reset(ha, bus))
ha->bus_settings[bus].scsi_bus_dead = 1 ;
}
ha->flags.online = 1 ;
out:
spin_unlock_irqrestore(ha->host->host_lock, flags);
if (status)
dprintk(2 , "qla1280_initialize_adapter: **** FAILED ****\n" );
LEAVE("qla1280_initialize_adapter" );
return status;
}
/*
* qla1280_request_firmware
* Acquire firmware for chip . Retain in memory
* for error recovery .
*
* Input :
* ha = adapter block pointer .
*
* Returns :
* Pointer to firmware image or an error code
* cast to pointer via ERR_PTR ( ) .
*/
static const struct firmware *
qla1280_request_firmware(struct scsi_qla_host *ha)
{
const struct firmware *fw;
int err;
int index;
char *fwname;
spin_unlock_irq(ha->host->host_lock);
mutex_lock(&qla1280_firmware_mutex);
index = ql1280_board_tbl[ha->devnum].fw_index;
fw = qla1280_fw_tbl[index].fw;
if (fw)
goto out;
fwname = qla1280_fw_tbl[index].fwname;
err = request_firmware(&fw, fwname, &ha->pdev->dev);
if (err) {
printk(KERN_ERR "Failed to load image \" %s\" err %d\n" ,
fwname, err);
fw = ERR_PTR(err);
goto unlock;
}
if ((fw->size % 2 ) || (fw->size < 6 )) {
printk(KERN_ERR "Invalid firmware length %zu in image \" %s\"\n" ,
fw->size, fwname);
release_firmware(fw);
fw = ERR_PTR(-EINVAL);
goto unlock;
}
qla1280_fw_tbl[index].fw = fw;
out:
ha->fwver1 = fw->data[0 ];
ha->fwver2 = fw->data[1 ];
ha->fwver3 = fw->data[2 ];
unlock:
mutex_unlock(&qla1280_firmware_mutex);
spin_lock_irq(ha->host->host_lock);
return fw;
}
/*
* Chip diagnostics
* Test chip for proper operation .
*
* Input :
* ha = adapter block pointer .
*
* Returns :
* 0 = success .
*/
static int
qla1280_chip_diag(struct scsi_qla_host *ha)
{
uint16_t mb[MAILBOX_REGISTER_COUNT];
struct device_reg __iomem *reg = ha->iobase;
int status = 0 ;
int cnt;
uint16_t data;
dprintk(3 , "qla1280_chip_diag: testing device at 0x%p \n" , ®->id_l);
dprintk(1 , "scsi(%ld): Verifying chip\n" , ha->host_no);
/* Soft reset chip and wait for it to finish. */
WRT_REG_WORD(®->ictrl, ISP_RESET);
/*
* We can ' t do a traditional PCI write flush here by reading
* back the register . The card will not respond once the reset
* is in action and we end up with a machine check exception
* instead . Nothing to do but wait and hope for the best .
* A portable pci_write_flush ( pdev ) call would be very useful here .
*/
udelay(20 );
data = qla1280_debounce_register(®->ictrl);
/*
* Yet another QLogic gem ; - (
*/
for (cnt = 1000000 ; cnt && data & ISP_RESET; cnt--) {
udelay(5 );
data = RD_REG_WORD(®->ictrl);
}
if (!cnt)
goto fail;
/* Reset register cleared by chip reset. */
dprintk(3 , "qla1280_chip_diag: reset register cleared by chip reset\n" );
WRT_REG_WORD(®->cfg_1, 0 );
/* Reset RISC and disable BIOS which
allows RISC to execute out of RAM. */
WRT_REG_WORD(®->host_cmd, HC_RESET_RISC |
HC_RELEASE_RISC | HC_DISABLE_BIOS);
RD_REG_WORD(®->id_l); /* Flush PCI write */
data = qla1280_debounce_register(®->mailbox0);
/*
* I * LOVE * this code !
*/
for (cnt = 1000000 ; cnt && data == MBS_BUSY; cnt--) {
udelay(5 );
data = RD_REG_WORD(®->mailbox0);
}
if (!cnt)
goto fail;
/* Check product ID of chip */
dprintk(3 , "qla1280_chip_diag: Checking product ID of chip\n" );
if (RD_REG_WORD(®->mailbox1) != PROD_ID_1 ||
(RD_REG_WORD(®->mailbox2) != PROD_ID_2 &&
RD_REG_WORD(®->mailbox2) != PROD_ID_2a) ||
RD_REG_WORD(®->mailbox3) != PROD_ID_3 ||
RD_REG_WORD(®->mailbox4) != PROD_ID_4) {
printk(KERN_INFO "qla1280: Wrong product ID = "
"0x%x,0x%x,0x%x,0x%x\n" ,
RD_REG_WORD(®->mailbox1),
RD_REG_WORD(®->mailbox2),
RD_REG_WORD(®->mailbox3),
RD_REG_WORD(®->mailbox4));
goto fail;
}
/*
* Enable ints early ! ! !
*/
qla1280_enable_intrs(ha);
dprintk(1 , "qla1280_chip_diag: Checking mailboxes of chip\n" );
/* Wrap Incoming Mailboxes Test. */
mb[0 ] = MBC_MAILBOX_REGISTER_TEST;
mb[1 ] = 0 xAAAA;
mb[2 ] = 0 x5555;
mb[3 ] = 0 xAA55;
mb[4 ] = 0 x55AA;
mb[5 ] = 0 xA5A5;
mb[6 ] = 0 x5A5A;
mb[7 ] = 0 x2525;
status = qla1280_mailbox_command(ha, 0 xff, mb);
if (status)
goto fail;
if (mb[1 ] != 0 xAAAA || mb[2 ] != 0 x5555 || mb[3 ] != 0 xAA55 ||
mb[4 ] != 0 x55AA || mb[5 ] != 0 xA5A5 || mb[6 ] != 0 x5A5A ||
mb[7 ] != 0 x2525) {
printk(KERN_INFO "qla1280: Failed mbox check\n" );
goto fail;
}
dprintk(3 , "qla1280_chip_diag: exiting normally\n" );
return 0 ;
fail:
dprintk(2 , "qla1280_chip_diag: **** FAILED ****\n" );
return status;
}
static int
qla1280_load_firmware_pio(struct scsi_qla_host *ha)
{
/* enter with host_lock acquired */
const struct firmware *fw;
const __le16 *fw_data;
uint16_t risc_address, risc_code_size;
uint16_t mb[MAILBOX_REGISTER_COUNT], i;
int err = 0 ;
fw = qla1280_request_firmware(ha);
if (IS_ERR(fw))
return PTR_ERR(fw);
fw_data = (const __le16 *)&fw->data[0 ];
ha->fwstart = __le16_to_cpu(fw_data[2 ]);
/* Load RISC code. */
risc_address = ha->fwstart;
fw_data = (const __le16 *)&fw->data[6 ];
risc_code_size = (fw->size - 6 ) / 2 ;
for (i = 0 ; i < risc_code_size; i++) {
mb[0 ] = MBC_WRITE_RAM_WORD;
mb[1 ] = risc_address + i;
mb[2 ] = __le16_to_cpu(fw_data[i]);
err = qla1280_mailbox_command(ha, BIT_0 | BIT_1 | BIT_2, mb);
if (err) {
printk(KERN_ERR "scsi(%li): Failed to load firmware\n" ,
ha->host_no);
break ;
}
}
return err;
}
#ifdef QLA_64BIT_PTR
#define LOAD_CMD MBC_LOAD_RAM_A64_ROM
#define DUMP_CMD MBC_DUMP_RAM_A64_ROM
#define CMD_ARGS (BIT_7 | BIT_6 | BIT_4 | BIT_3 | BIT_2 | BIT_1 | BIT_0)
#else
#define LOAD_CMD MBC_LOAD_RAM
#define DUMP_CMD MBC_DUMP_RAM
#define CMD_ARGS (BIT_4 | BIT_3 | BIT_2 | BIT_1 | BIT_0)
#endif
#define DUMP_IT_BACK 0 /* for debug of RISC loading */
static int
qla1280_load_firmware_dma(struct scsi_qla_host *ha)
{
/* enter with host_lock acquired */
const struct firmware *fw;
const __le16 *fw_data;
uint16_t risc_address, risc_code_size;
uint16_t mb[MAILBOX_REGISTER_COUNT], cnt;
int err = 0 , num, i;
#if DUMP_IT_BACK
uint8_t *sp, *tbuf;
dma_addr_t p_tbuf;
tbuf = dma_alloc_coherent(&ha->pdev->dev, 8000 , &p_tbuf, GFP_KERNEL);
if (!tbuf)
return -ENOMEM;
#endif
fw = qla1280_request_firmware(ha);
if (IS_ERR(fw))
return PTR_ERR(fw);
fw_data = (const __le16 *)&fw->data[0 ];
ha->fwstart = __le16_to_cpu(fw_data[2 ]);
/* Load RISC code. */
risc_address = ha->fwstart;
fw_data = (const __le16 *)&fw->data[6 ];
risc_code_size = (fw->size - 6 ) / 2 ;
dprintk(1 , "%s: DMA RISC code (%i) words\n" ,
__func__, risc_code_size);
num = 0 ;
while (risc_code_size > 0 ) {
int warn __attribute__((unused)) = 0 ;
cnt = 2000 >> 1 ;
if (cnt > risc_code_size)
cnt = risc_code_size;
dprintk(2 , "qla1280_setup_chip: loading risc @ =(0x%p),"
"%d,%d(0x%x)\n" ,
fw_data, cnt, num, risc_address);
for (i = 0 ; i < cnt; i++)
((__le16 *)ha->request_ring)[i] = fw_data[i];
mb[0 ] = LOAD_CMD;
mb[1 ] = risc_address;
mb[4 ] = cnt;
mb[3 ] = ha->request_dma & 0 xffff;
mb[2 ] = (ha->request_dma >> 16 ) & 0 xffff;
mb[7 ] = upper_32_bits(ha->request_dma) & 0 xffff;
mb[6 ] = upper_32_bits(ha->request_dma) >> 16 ;
dprintk(2 , "%s: op=%d 0x%p = 0x%4x,0x%4x,0x%4x,0x%4x\n" ,
__func__, mb[0 ],
(void *)(long )ha->request_dma,
mb[6 ], mb[7 ], mb[2 ], mb[3 ]);
err = qla1280_mailbox_command(ha, CMD_ARGS, mb);
if (err) {
printk(KERN_ERR "scsi(%li): Failed to load partial "
"segment of f\n" , ha->host_no);
goto out;
}
#if DUMP_IT_BACK
mb[0 ] = DUMP_CMD;
mb[1 ] = risc_address;
mb[4 ] = cnt;
mb[3 ] = p_tbuf & 0 xffff;
mb[2 ] = (p_tbuf >> 16 ) & 0 xffff;
mb[7 ] = upper_32_bits(p_tbuf) & 0 xffff;
mb[6 ] = upper_32_bits(p_tbuf) >> 16 ;
err = qla1280_mailbox_command(ha, CMD_ARGS, mb);
if (err) {
printk(KERN_ERR
"Failed to dump partial segment of f/w\n" );
goto out;
}
sp = (uint8_t *)ha->request_ring;
for (i = 0 ; i < (cnt << 1 ); i++) {
if (tbuf[i] != sp[i] && warn++ < 10 ) {
printk(KERN_ERR "%s: FW compare error @ "
"byte(0x%x) loop#=%x\n" ,
__func__, i, num);
printk(KERN_ERR "%s: FWbyte=%x "
"FWfromChip=%x\n" ,
__func__, sp[i], tbuf[i]);
/*break; */
}
}
#endif
risc_address += cnt;
risc_code_size = risc_code_size - cnt;
fw_data = fw_data + cnt;
num++;
}
out:
#if DUMP_IT_BACK
dma_free_coherent(&ha->pdev->dev, 8000 , tbuf, p_tbuf);
#endif
return err;
}
static int
qla1280_start_firmware(struct scsi_qla_host *ha)
{
uint16_t mb[MAILBOX_REGISTER_COUNT];
int err;
dprintk(1 , "%s: Verifying checksum of loaded RISC code.\n" ,
__func__);
/* Verify checksum of loaded RISC code. */
mb[0 ] = MBC_VERIFY_CHECKSUM;
/* mb[1] = ql12_risc_code_addr01; */
mb[1 ] = ha->fwstart;
err = qla1280_mailbox_command(ha, BIT_1 | BIT_0, mb);
if (err) {
printk(KERN_ERR "scsi(%li): RISC checksum failed.\n" , ha->host_no);
return err;
}
/* Start firmware execution. */
dprintk(1 , "%s: start firmware running.\n" , __func__);
mb[0 ] = MBC_EXECUTE_FIRMWARE;
mb[1 ] = ha->fwstart;
err = qla1280_mailbox_command(ha, BIT_1 | BIT_0, &mb[0 ]);
if (err) {
printk(KERN_ERR "scsi(%li): Failed to start firmware\n" ,
ha->host_no);
}
return err;
}
static int
qla1280_load_firmware(struct scsi_qla_host *ha)
{
/* enter with host_lock taken */
int err;
err = qla1280_chip_diag(ha);
if (err)
goto out;
if (IS_ISP1040(ha))
err = qla1280_load_firmware_pio(ha);
else
err = qla1280_load_firmware_dma(ha);
if (err)
goto out;
err = qla1280_start_firmware(ha);
out:
return err;
}
/*
* Initialize rings
*
* Input :
* ha = adapter block pointer .
* ha - > request_ring = request ring virtual address
* ha - > response_ring = response ring virtual address
* ha - > request_dma = request ring physical address
* ha - > response_dma = response ring physical address
*
* Returns :
* 0 = success .
*/
static int
qla1280_init_rings(struct scsi_qla_host *ha)
{
uint16_t mb[MAILBOX_REGISTER_COUNT];
int status = 0 ;
ENTER("qla1280_init_rings" );
/* Clear outstanding commands array. */
memset(ha->outstanding_cmds, 0 ,
sizeof (struct srb *) * MAX_OUTSTANDING_COMMANDS);
/* Initialize request queue. */
ha->request_ring_ptr = ha->request_ring;
ha->req_ring_index = 0 ;
ha->req_q_cnt = REQUEST_ENTRY_CNT;
/* mb[0] = MBC_INIT_REQUEST_QUEUE; */
mb[0 ] = MBC_INIT_REQUEST_QUEUE_A64;
mb[1 ] = REQUEST_ENTRY_CNT;
mb[3 ] = ha->request_dma & 0 xffff;
mb[2 ] = (ha->request_dma >> 16 ) & 0 xffff;
mb[4 ] = 0 ;
mb[7 ] = upper_32_bits(ha->request_dma) & 0 xffff;
mb[6 ] = upper_32_bits(ha->request_dma) >> 16 ;
if (!(status = qla1280_mailbox_command(ha, BIT_7 | BIT_6 | BIT_4 |
BIT_3 | BIT_2 | BIT_1 | BIT_0,
&mb[0 ]))) {
/* Initialize response queue. */
ha->response_ring_ptr = ha->response_ring;
ha->rsp_ring_index = 0 ;
/* mb[0] = MBC_INIT_RESPONSE_QUEUE; */
mb[0 ] = MBC_INIT_RESPONSE_QUEUE_A64;
mb[1 ] = RESPONSE_ENTRY_CNT;
mb[3 ] = ha->response_dma & 0 xffff;
mb[2 ] = (ha->response_dma >> 16 ) & 0 xffff;
mb[5 ] = 0 ;
mb[7 ] = upper_32_bits(ha->response_dma) & 0 xffff;
mb[6 ] = upper_32_bits(ha->response_dma) >> 16 ;
status = qla1280_mailbox_command(ha, BIT_7 | BIT_6 | BIT_5 |
BIT_3 | BIT_2 | BIT_1 | BIT_0,
&mb[0 ]);
}
if (status)
dprintk(2 , "qla1280_init_rings: **** FAILED ****\n" );
LEAVE("qla1280_init_rings" );
return status;
}
static void
qla1280_print_settings(struct nvram *nv)
{
dprintk(1 , "qla1280 : initiator scsi id bus[0]=%d\n" ,
nv->bus[0 ].config_1.initiator_id);
dprintk(1 , "qla1280 : initiator scsi id bus[1]=%d\n" ,
nv->bus[1 ].config_1.initiator_id);
dprintk(1 , "qla1280 : bus reset delay[0]=%d\n" ,
nv->bus[0 ].bus_reset_delay);
dprintk(1 , "qla1280 : bus reset delay[1]=%d\n" ,
nv->bus[1 ].bus_reset_delay);
dprintk(1 , "qla1280 : retry count[0]=%d\n" , nv->bus[0 ].retry_count);
dprintk(1 , "qla1280 : retry delay[0]=%d\n" , nv->bus[0 ].retry_delay);
dprintk(1 , "qla1280 : retry count[1]=%d\n" , nv->bus[1 ].retry_count);
dprintk(1 , "qla1280 : retry delay[1]=%d\n" , nv->bus[1 ].retry_delay);
dprintk(1 , "qla1280 : async data setup time[0]=%d\n" ,
nv->bus[0 ].config_2.async_data_setup_time);
dprintk(1 , "qla1280 : async data setup time[1]=%d\n" ,
nv->bus[1 ].config_2.async_data_setup_time);
dprintk(1 , "qla1280 : req/ack active negation[0]=%d\n" ,
nv->bus[0 ].config_2.req_ack_active_negation);
dprintk(1 , "qla1280 : req/ack active negation[1]=%d\n" ,
nv->bus[1 ].config_2.req_ack_active_negation);
dprintk(1 , "qla1280 : data line active negation[0]=%d\n" ,
nv->bus[0 ].config_2.data_line_active_negation);
dprintk(1 , "qla1280 : data line active negation[1]=%d\n" ,
nv->bus[1 ].config_2.data_line_active_negation);
dprintk(1 , "qla1280 : disable loading risc code=%d\n" ,
nv->cntr_flags_1.disable_loading_risc_code);
dprintk(1 , "qla1280 : enable 64bit addressing=%d\n" ,
nv->cntr_flags_1.enable_64bit_addressing);
dprintk(1 , "qla1280 : selection timeout limit[0]=%d\n" ,
nv->bus[0 ].selection_timeout);
dprintk(1 , "qla1280 : selection timeout limit[1]=%d\n" ,
nv->bus[1 ].selection_timeout);
dprintk(1 , "qla1280 : max queue depth[0]=%d\n" ,
nv->bus[0 ].max_queue_depth);
dprintk(1 , "qla1280 : max queue depth[1]=%d\n" ,
nv->bus[1 ].max_queue_depth);
}
static void
qla1280_set_target_defaults(struct scsi_qla_host *ha, int bus, int target)
{
struct nvram *nv = &ha->nvram;
nv->bus[bus].target[target].parameter.renegotiate_on_error = 1 ;
nv->bus[bus].target[target].parameter.auto_request_sense = 1 ;
nv->bus[bus].target[target].parameter.tag_queuing = 1 ;
nv->bus[bus].target[target].parameter.enable_sync = 1 ;
#if 1 /* Some SCSI Processors do not seem to like this */
nv->bus[bus].target[target].parameter.enable_wide = 1 ;
#endif
nv->bus[bus].target[target].execution_throttle =
nv->bus[bus].max_queue_depth - 1 ;
nv->bus[bus].target[target].parameter.parity_checking = 1 ;
nv->bus[bus].target[target].parameter.disconnect_allowed = 1 ;
if (IS_ISP1x160(ha)) {
nv->bus[bus].target[target].flags.flags1x160.device_enable = 1 ;
nv->bus[bus].target[target].flags.flags1x160.sync_offset = 0 x0e;
nv->bus[bus].target[target].sync_period = 9 ;
nv->bus[bus].target[target].ppr_1x160.flags.enable_ppr = 1 ;
nv->bus[bus].target[target].ppr_1x160.flags.ppr_options = 2 ;
nv->bus[bus].target[target].ppr_1x160.flags.ppr_bus_width = 1 ;
} else {
nv->bus[bus].target[target].flags.flags1x80.device_enable = 1 ;
nv->bus[bus].target[target].flags.flags1x80.sync_offset = 12 ;
nv->bus[bus].target[target].sync_period = 10 ;
}
}
static void
qla1280_set_defaults(struct scsi_qla_host *ha)
{
struct nvram *nv = &ha->nvram;
int bus, target;
dprintk(1 , "Using defaults for NVRAM: \n" );
memset(nv, 0 , sizeof (struct nvram));
/* nv->cntr_flags_1.disable_loading_risc_code = 1; */
nv->firmware_feature.f.enable_fast_posting = 1 ;
nv->firmware_feature.f.disable_synchronous_backoff = 1 ;
nv->termination.scsi_bus_0_control = 3 ;
nv->termination.scsi_bus_1_control = 3 ;
nv->termination.auto_term_support = 1 ;
/*
* Set default FIFO magic - What appropriate values would be here
* is unknown . This is what I have found testing with 12160 s .
*
* Now , I would love the magic decoder ring for this one , the
* header file provided by QLogic seems to be bogus or incomplete
* at best .
*/
nv->isp_config.burst_enable = 1 ;
if (IS_ISP1040(ha))
nv->isp_config.fifo_threshold |= 3 ;
else
nv->isp_config.fifo_threshold |= 4 ;
if (IS_ISP1x160(ha))
nv->isp_parameter = 0 x01; /* fast memory enable */
for (bus = 0 ; bus < MAX_BUSES; bus++) {
nv->bus[bus].config_1.initiator_id = 7 ;
nv->bus[bus].config_2.req_ack_active_negation = 1 ;
nv->bus[bus].config_2.data_line_active_negation = 1 ;
nv->bus[bus].selection_timeout = 250 ;
nv->bus[bus].max_queue_depth = 32 ;
if (IS_ISP1040(ha)) {
nv->bus[bus].bus_reset_delay = 3 ;
nv->bus[bus].config_2.async_data_setup_time = 6 ;
nv->bus[bus].retry_delay = 1 ;
} else {
nv->bus[bus].bus_reset_delay = 5 ;
nv->bus[bus].config_2.async_data_setup_time = 8 ;
}
for (target = 0 ; target < MAX_TARGETS; target++)
qla1280_set_target_defaults(ha, bus, target);
}
}
static int
qla1280_config_target(struct scsi_qla_host *ha, int bus, int target)
{
struct nvram *nv = &ha->nvram;
uint16_t mb[MAILBOX_REGISTER_COUNT];
int status, lun;
uint16_t flag;
/* Set Target Parameters. */
mb[0 ] = MBC_SET_TARGET_PARAMETERS;
mb[1 ] = (uint16_t)((bus ? target | BIT_7 : target) << 8 );
/*
* Do not enable sync and ppr for the initial INQUIRY run . We
* enable this later if we determine the target actually
* supports it .
*/
mb[2 ] = (TP_RENEGOTIATE | TP_AUTO_REQUEST_SENSE | TP_TAGGED_QUEUE
| TP_WIDE | TP_PARITY | TP_DISCONNECT);
if (IS_ISP1x160(ha))
mb[3 ] = nv->bus[bus].target[target].flags.flags1x160.sync_offset << 8 ;
else
mb[3 ] = nv->bus[bus].target[target].flags.flags1x80.sync_offset << 8 ;
mb[3 ] |= nv->bus[bus].target[target].sync_period;
status = qla1280_mailbox_command(ha, 0 x0f, mb);
/* Save Tag queuing enable flag. */
flag = (BIT_0 << target);
if (nv->bus[bus].target[target].parameter.tag_queuing)
ha->bus_settings[bus].qtag_enables |= flag;
/* Save Device enable flag. */
if (IS_ISP1x160(ha)) {
if (nv->bus[bus].target[target].flags.flags1x160.device_enable)
ha->bus_settings[bus].device_enables |= flag;
ha->bus_settings[bus].lun_disables |= 0 ;
} else {
if (nv->bus[bus].target[target].flags.flags1x80.device_enable)
ha->bus_settings[bus].device_enables |= flag;
/* Save LUN disable flag. */
if (nv->bus[bus].target[target].flags.flags1x80.lun_disable)
ha->bus_settings[bus].lun_disables |= flag;
}
/* Set Device Queue Parameters. */
for (lun = 0 ; lun < MAX_LUNS; lun++) {
mb[0 ] = MBC_SET_DEVICE_QUEUE;
mb[1 ] = (uint16_t)((bus ? target | BIT_7 : target) << 8 );
mb[1 ] |= lun;
mb[2 ] = nv->bus[bus].max_queue_depth;
mb[3 ] = nv->bus[bus].target[target].execution_throttle;
status |= qla1280_mailbox_command(ha, 0 x0f, mb);
}
return status;
}
static int
qla1280_config_bus(struct scsi_qla_host *ha, int bus)
{
struct nvram *nv = &ha->nvram;
uint16_t mb[MAILBOX_REGISTER_COUNT];
int target, status;
/* SCSI Reset Disable. */
ha->bus_settings[bus].disable_scsi_reset =
nv->bus[bus].config_1.scsi_reset_disable;
/* Initiator ID. */
ha->bus_settings[bus].id = nv->bus[bus].config_1.initiator_id;
mb[0 ] = MBC_SET_INITIATOR_ID;
mb[1 ] = bus ? ha->bus_settings[bus].id | BIT_7 :
ha->bus_settings[bus].id;
status = qla1280_mailbox_command(ha, BIT_1 | BIT_0, &mb[0 ]);
/* Reset Delay. */
ha->bus_settings[bus].bus_reset_delay =
nv->bus[bus].bus_reset_delay;
/* Command queue depth per device. */
ha->bus_settings[bus].hiwat = nv->bus[bus].max_queue_depth - 1 ;
/* Set target parameters. */
for (target = 0 ; target < MAX_TARGETS; target++)
status |= qla1280_config_target(ha, bus, target);
return status;
}
static int
qla1280_nvram_config(struct scsi_qla_host *ha)
{
struct device_reg __iomem *reg = ha->iobase;
struct nvram *nv = &ha->nvram;
int bus, target, status = 0 ;
uint16_t mb[MAILBOX_REGISTER_COUNT];
ENTER("qla1280_nvram_config" );
if (ha->nvram_valid) {
/* Always force AUTO sense for LINUX SCSI */
for (bus = 0 ; bus < MAX_BUSES; bus++)
for (target = 0 ; target < MAX_TARGETS; target++) {
nv->bus[bus].target[target].parameter.
auto_request_sense = 1 ;
}
} else {
qla1280_set_defaults(ha);
}
qla1280_print_settings(nv);
/* Disable RISC load of firmware. */
ha->flags.disable_risc_code_load =
nv->cntr_flags_1.disable_loading_risc_code;
if (IS_ISP1040(ha)) {
uint16_t hwrev, cfg1, cdma_conf;
hwrev = RD_REG_WORD(®->cfg_0) & ISP_CFG0_HWMSK;
cfg1 = RD_REG_WORD(®->cfg_1) & ~(BIT_4 | BIT_5 | BIT_6);
cdma_conf = RD_REG_WORD(®->cdma_cfg);
/* Busted fifo, says mjacob. */
if (hwrev != ISP_CFG0_1040A)
cfg1 |= nv->isp_config.fifo_threshold << 4 ;
cfg1 |= nv->isp_config.burst_enable << 2 ;
WRT_REG_WORD(®->cfg_1, cfg1);
WRT_REG_WORD(®->cdma_cfg, cdma_conf | CDMA_CONF_BENAB);
WRT_REG_WORD(®->ddma_cfg, cdma_conf | DDMA_CONF_BENAB);
} else {
uint16_t cfg1, term;
/* Set ISP hardware DMA burst */
cfg1 = nv->isp_config.fifo_threshold << 4 ;
cfg1 |= nv->isp_config.burst_enable << 2 ;
/* Enable DMA arbitration on dual channel controllers */
if (ha->ports > 1 )
cfg1 |= BIT_13;
WRT_REG_WORD(®->cfg_1, cfg1);
/* Set SCSI termination. */
WRT_REG_WORD(®->gpio_enable,
BIT_7 | BIT_3 | BIT_2 | BIT_1 | BIT_0);
term = nv->termination.scsi_bus_1_control;
term |= nv->termination.scsi_bus_0_control << 2 ;
term |= nv->termination.auto_term_support << 7 ;
RD_REG_WORD(®->id_l); /* Flush PCI write */
WRT_REG_WORD(®->gpio_data, term);
}
RD_REG_WORD(®->id_l); /* Flush PCI write */
/* ISP parameter word. */
mb[0 ] = MBC_SET_SYSTEM_PARAMETER;
mb[1 ] = nv->isp_parameter;
status |= qla1280_mailbox_command(ha, BIT_1 | BIT_0, &mb[0 ]);
if (IS_ISP1x40(ha)) {
/* clock rate - for qla1240 and older, only */
mb[0 ] = MBC_SET_CLOCK_RATE;
mb[1 ] = 40 ;
status |= qla1280_mailbox_command(ha, BIT_1 | BIT_0, mb);
}
/* Firmware feature word. */
mb[0 ] = MBC_SET_FIRMWARE_FEATURES;
mb[1 ] = nv->firmware_feature.f.enable_fast_posting;
mb[1 ] |= nv->firmware_feature.f.report_lvd_bus_transition << 1 ;
mb[1 ] |= nv->firmware_feature.f.disable_synchronous_backoff << 5 ;
status |= qla1280_mailbox_command(ha, BIT_1 | BIT_0, mb);
/* Retry count and delay. */
mb[0 ] = MBC_SET_RETRY_COUNT;
mb[1 ] = nv->bus[0 ].retry_count;
mb[2 ] = nv->bus[0 ].retry_delay;
mb[6 ] = nv->bus[1 ].retry_count;
mb[7 ] = nv->bus[1 ].retry_delay;
status |= qla1280_mailbox_command(ha, BIT_7 | BIT_6 | BIT_2 |
BIT_1 | BIT_0, &mb[0 ]);
/* ASYNC data setup time. */
mb[0 ] = MBC_SET_ASYNC_DATA_SETUP;
mb[1 ] = nv->bus[0 ].config_2.async_data_setup_time;
mb[2 ] = nv->bus[1 ].config_2.async_data_setup_time;
status |= qla1280_mailbox_command(ha, BIT_2 | BIT_1 | BIT_0, &mb[0 ]);
/* Active negation states. */
mb[0 ] = MBC_SET_ACTIVE_NEGATION;
mb[1 ] = 0 ;
if (nv->bus[0 ].config_2.req_ack_active_negation)
mb[1 ] |= BIT_5;
if (nv->bus[0 ].config_2.data_line_active_negation)
mb[1 ] |= BIT_4;
mb[2 ] = 0 ;
if (nv->bus[1 ].config_2.req_ack_active_negation)
mb[2 ] |= BIT_5;
if (nv->bus[1 ].config_2.data_line_active_negation)
mb[2 ] |= BIT_4;
status |= qla1280_mailbox_command(ha, BIT_2 | BIT_1 | BIT_0, mb);
mb[0 ] = MBC_SET_DATA_OVERRUN_RECOVERY;
mb[1 ] = 2 ; /* Reset SCSI bus and return all outstanding IO */
status |= qla1280_mailbox_command(ha, BIT_1 | BIT_0, mb);
/* thingy */
mb[0 ] = MBC_SET_PCI_CONTROL;
mb[1 ] = BIT_1; /* Data DMA Channel Burst Enable */
mb[2 ] = BIT_1; /* Command DMA Channel Burst Enable */
status |= qla1280_mailbox_command(ha, BIT_2 | BIT_1 | BIT_0, mb);
mb[0 ] = MBC_SET_TAG_AGE_LIMIT;
mb[1 ] = 8 ;
status |= qla1280_mailbox_command(ha, BIT_1 | BIT_0, mb);
/* Selection timeout. */
mb[0 ] = MBC_SET_SELECTION_TIMEOUT;
mb[1 ] = nv->bus[0 ].selection_timeout;
mb[2 ] = nv->bus[1 ].selection_timeout;
status |= qla1280_mailbox_command(ha, BIT_2 | BIT_1 | BIT_0, mb);
for (bus = 0 ; bus < ha->ports; bus++)
status |= qla1280_config_bus(ha, bus);
if (status)
dprintk(2 , "qla1280_nvram_config: **** FAILED ****\n" );
LEAVE("qla1280_nvram_config" );
return status;
}
/*
* Get NVRAM data word
* Calculates word position in NVRAM and calls request routine to
* get the word from NVRAM .
*
* Input :
* ha = adapter block pointer .
* address = NVRAM word address .
*
* Returns :
* data word .
*/
static uint16_t
qla1280_get_nvram_word(struct scsi_qla_host *ha, uint32_t address)
{
uint32_t nv_cmd;
uint16_t data;
nv_cmd = address << 16 ;
nv_cmd |= NV_READ_OP;
data = le16_to_cpu(qla1280_nvram_request(ha, nv_cmd));
dprintk(8 , "qla1280_get_nvram_word: exiting normally NVRAM data = "
"0x%x" , data);
return data;
}
/*
* NVRAM request
* Sends read command to NVRAM and gets data from NVRAM .
*
* Input :
* ha = adapter block pointer .
* nv_cmd = Bit 26 = start bit
* Bit 25 , 24 = opcode
* Bit 23 - 16 = address
* Bit 15 - 0 = write data
*
* Returns :
* data word .
*/
static uint16_t
qla1280_nvram_request(struct scsi_qla_host *ha, uint32_t nv_cmd)
{
struct device_reg __iomem *reg = ha->iobase;
int cnt;
uint16_t data = 0 ;
uint16_t reg_data;
/* Send command to NVRAM. */
nv_cmd <<= 5 ;
for (cnt = 0 ; cnt < 11 ; cnt++) {
if (nv_cmd & BIT_31)
qla1280_nv_write(ha, NV_DATA_OUT);
else
qla1280_nv_write(ha, 0 );
nv_cmd <<= 1 ;
}
/* Read data from NVRAM. */
for (cnt = 0 ; cnt < 16 ; cnt++) {
WRT_REG_WORD(®->nvram, (NV_SELECT | NV_CLOCK));
RD_REG_WORD(®->id_l); /* Flush PCI write */
NVRAM_DELAY();
data <<= 1 ;
reg_data = RD_REG_WORD(®->nvram);
if (reg_data & NV_DATA_IN)
data |= BIT_0;
WRT_REG_WORD(®->nvram, NV_SELECT);
RD_REG_WORD(®->id_l); /* Flush PCI write */
NVRAM_DELAY();
}
/* Deselect chip. */
WRT_REG_WORD(®->nvram, NV_DESELECT);
RD_REG_WORD(®->id_l); /* Flush PCI write */
NVRAM_DELAY();
return data;
}
static void
qla1280_nv_write(struct scsi_qla_host *ha, uint16_t data)
{
struct device_reg __iomem *reg = ha->iobase;
WRT_REG_WORD(®->nvram, data | NV_SELECT);
RD_REG_WORD(®->id_l); /* Flush PCI write */
NVRAM_DELAY();
WRT_REG_WORD(®->nvram, data | NV_SELECT | NV_CLOCK);
RD_REG_WORD(®->id_l); /* Flush PCI write */
NVRAM_DELAY();
WRT_REG_WORD(®->nvram, data | NV_SELECT);
RD_REG_WORD(®->id_l); /* Flush PCI write */
NVRAM_DELAY();
}
/*
* Mailbox Command
* Issue mailbox command and waits for completion .
*
* Input :
* ha = adapter block pointer .
* mr = mailbox registers to load .
* mb = data pointer for mailbox registers .
*
* Output :
* mb [ MAILBOX_REGISTER_COUNT ] = returned mailbox data .
*
* Returns :
* 0 = success
*/
static int
qla1280_mailbox_command(struct scsi_qla_host *ha, uint8_t mr, uint16_t *mb)
{
struct device_reg __iomem *reg = ha->iobase;
int status = 0 ;
int cnt;
uint16_t *optr, *iptr;
uint16_t __iomem *mptr;
DECLARE_COMPLETION_ONSTACK(wait);
ENTER("qla1280_mailbox_command" );
if (ha->mailbox_wait) {
printk(KERN_ERR "Warning mailbox wait already in use!\n" );
}
ha->mailbox_wait = &wait;
/*
* We really should start out by verifying that the mailbox is
* available before starting sending the command data
*/
/* Load mailbox registers. */
mptr = (uint16_t __iomem *) ®->mailbox0;
iptr = mb;
for (cnt = 0 ; cnt < MAILBOX_REGISTER_COUNT; cnt++) {
if (mr & BIT_0) {
WRT_REG_WORD(mptr, (*iptr));
}
mr >>= 1 ;
mptr++;
iptr++;
}
/* Issue set host interrupt command. */
/* set up a timer just in case we're really jammed */
timer_setup(&ha->mailbox_timer, qla1280_mailbox_timeout, 0 );
mod_timer(&ha->mailbox_timer, jiffies + 20 * HZ);
spin_unlock_irq(ha->host->host_lock);
WRT_REG_WORD(®->host_cmd, HC_SET_HOST_INT);
qla1280_debounce_register(®->istatus);
wait_for_completion(&wait);
timer_delete_sync(&ha->mailbox_timer);
spin_lock_irq(ha->host->host_lock);
ha->mailbox_wait = NULL;
/* Check for mailbox command timeout. */
if (ha->mailbox_out[0 ] != MBS_CMD_CMP) {
printk(KERN_WARNING "qla1280_mailbox_command: Command failed, "
"mailbox0 = 0x%04x, mailbox_out0 = 0x%04x, istatus = "
"0x%04x\n" ,
mb[0 ], ha->mailbox_out[0 ], RD_REG_WORD(®->istatus));
printk(KERN_WARNING "m0 %04x, m1 %04x, m2 %04x, m3 %04x\n" ,
RD_REG_WORD(®->mailbox0), RD_REG_WORD(®->mailbox1),
RD_REG_WORD(®->mailbox2), RD_REG_WORD(®->mailbox3));
printk(KERN_WARNING "m4 %04x, m5 %04x, m6 %04x, m7 %04x\n" ,
RD_REG_WORD(®->mailbox4), RD_REG_WORD(®->mailbox5),
RD_REG_WORD(®->mailbox6), RD_REG_WORD(®->mailbox7));
status = 1 ;
}
/* Load return mailbox registers. */
optr = mb;
iptr = (uint16_t *) &ha->mailbox_out[0 ];
memcpy(optr, iptr, MAILBOX_REGISTER_COUNT * sizeof (uint16_t));
if (ha->flags.reset_marker)
qla1280_rst_aen(ha);
if (status)
dprintk(2 , "qla1280_mailbox_command: **** FAILED, mailbox0 = "
"0x%x ****\n" , mb[0 ]);
LEAVE("qla1280_mailbox_command" );
return status;
}
/*
* qla1280_poll
* Polls ISP for interrupts .
*
* Input :
* ha = adapter block pointer .
*/
static void
qla1280_poll(struct scsi_qla_host *ha)
{
struct device_reg __iomem *reg = ha->iobase;
uint16_t data;
LIST_HEAD(done_q);
/* ENTER("qla1280_poll"); */
/* Check for pending interrupts. */
data = RD_REG_WORD(®->istatus);
if (data & RISC_INT)
qla1280_isr(ha, &done_q);
if (!ha->mailbox_wait) {
if (ha->flags.reset_marker)
qla1280_rst_aen(ha);
}
if (!list_empty(&done_q))
qla1280_done(ha);
/* LEAVE("qla1280_poll"); */
}
/*
* qla1280_bus_reset
* Issue SCSI bus reset .
*
* Input :
* ha = adapter block pointer .
* bus = SCSI bus number .
*
* Returns :
* 0 = success
*/
static int
qla1280_bus_reset(struct scsi_qla_host *ha, int bus)
{
uint16_t mb[MAILBOX_REGISTER_COUNT];
uint16_t reset_delay;
int status;
dprintk(3 , "qla1280_bus_reset: entered\n" );
if (qla1280_verbose)
printk(KERN_INFO "scsi(%li:%i): Resetting SCSI BUS\n" ,
ha->host_no, bus);
reset_delay = ha->bus_settings[bus].bus_reset_delay;
mb[0 ] = MBC_BUS_RESET;
mb[1 ] = reset_delay;
mb[2 ] = (uint16_t) bus;
status = qla1280_mailbox_command(ha, BIT_2 | BIT_1 | BIT_0, &mb[0 ]);
if (status) {
if (ha->bus_settings[bus].failed_reset_count > 2 )
ha->bus_settings[bus].scsi_bus_dead = 1 ;
ha->bus_settings[bus].failed_reset_count++;
} else {
spin_unlock_irq(ha->host->host_lock);
ssleep(reset_delay);
spin_lock_irq(ha->host->host_lock);
ha->bus_settings[bus].scsi_bus_dead = 0 ;
ha->bus_settings[bus].failed_reset_count = 0 ;
ha->bus_settings[bus].reset_marker = 0 ;
/* Issue marker command. */
qla1280_marker(ha, bus, 0 , 0 , MK_SYNC_ALL);
}
/*
* We should probably call qla1280_set_target_parameters ( )
* here as well for all devices on the bus .
*/
if (status)
dprintk(2 , "qla1280_bus_reset: **** FAILED ****\n" );
else
dprintk(3 , "qla1280_bus_reset: exiting normally\n" );
return status;
}
/*
* qla1280_device_reset
* Issue bus device reset message to the target .
*
* Input :
* ha = adapter block pointer .
* bus = SCSI BUS number .
* target = SCSI ID .
*
* Returns :
* 0 = success
*/
static int
qla1280_device_reset(struct scsi_qla_host *ha, int bus, int target)
{
uint16_t mb[MAILBOX_REGISTER_COUNT];
int status;
ENTER("qla1280_device_reset" );
mb[0 ] = MBC_ABORT_TARGET;
mb[1 ] = (bus ? (target | BIT_7) : target) << 8 ;
mb[2 ] = 1 ;
status = qla1280_mailbox_command(ha, BIT_2 | BIT_1 | BIT_0, &mb[0 ]);
/* Issue marker command. */
qla1280_marker(ha, bus, target, 0 , MK_SYNC_ID);
if (status)
dprintk(2 , "qla1280_device_reset: **** FAILED ****\n" );
LEAVE("qla1280_device_reset" );
return status;
}
/*
* qla1280_abort_command
* Abort command aborts a specified IOCB .
*
* Input :
* ha = adapter block pointer .
* sp = SB structure pointer .
*
* Returns :
* 0 = success
*/
static int
qla1280_abort_command(struct scsi_qla_host *ha, struct srb * sp, int handle)
{
uint16_t mb[MAILBOX_REGISTER_COUNT];
unsigned int bus, target, lun;
int status;
ENTER("qla1280_abort_command" );
bus = SCSI_BUS_32(sp->cmd);
target = SCSI_TCN_32(sp->cmd);
lun = SCSI_LUN_32(sp->cmd);
sp->flags |= SRB_ABORT_PENDING;
mb[0 ] = MBC_ABORT_COMMAND;
mb[1 ] = (bus ? target | BIT_7 : target) << 8 | lun;
mb[2 ] = handle >> 16 ;
mb[3 ] = handle & 0 xffff;
status = qla1280_mailbox_command(ha, 0 x0f, &mb[0 ]);
if (status) {
dprintk(2 , "qla1280_abort_command: **** FAILED ****\n" );
sp->flags &= ~SRB_ABORT_PENDING;
}
LEAVE("qla1280_abort_command" );
return status;
}
/*
* qla1280_reset_adapter
* Reset adapter .
*
* Input :
* ha = adapter block pointer .
*/
static void
qla1280_reset_adapter(struct scsi_qla_host *ha)
{
struct device_reg __iomem *reg = ha->iobase;
ENTER("qla1280_reset_adapter" );
/* Disable ISP chip */
ha->flags.online = 0 ;
WRT_REG_WORD(®->ictrl, ISP_RESET);
WRT_REG_WORD(®->host_cmd,
HC_RESET_RISC | HC_RELEASE_RISC | HC_DISABLE_BIOS);
RD_REG_WORD(®->id_l); /* Flush PCI write */
LEAVE("qla1280_reset_adapter" );
}
/*
* Issue marker command .
* Function issues marker IOCB .
*
* Input :
* ha = adapter block pointer .
* bus = SCSI BUS number
* id = SCSI ID
* lun = SCSI LUN
* type = marker modifier
*/
static void
qla1280_marker(struct scsi_qla_host *ha, int bus, int id, int lun, u8 type)
{
struct mrk_entry *pkt;
ENTER("qla1280_marker" );
/* Get request packet. */
if ((pkt = (struct mrk_entry *) qla1280_req_pkt(ha))) {
pkt->entry_type = MARKER_TYPE;
pkt->lun = (uint8_t) lun;
pkt->target = (uint8_t) (bus ? (id | BIT_7) : id);
pkt->modifier = type;
pkt->entry_status = 0 ;
/* Issue command to ISP */
qla1280_isp_cmd(ha);
}
LEAVE("qla1280_marker" );
}
/*
* qla1280_64bit_start_scsi
* The start SCSI is responsible for building request packets on
* request ring and modifying ISP input pointer .
*
* Input :
* ha = adapter block pointer .
* sp = SB structure pointer .
*
* Returns :
* 0 = success , was able to issue command .
*/
#ifdef QLA_64BIT_PTR
static int
qla1280_64bit_start_scsi(struct scsi_qla_host *ha, struct srb * sp)
{
struct device_reg __iomem *reg = ha->iobase;
struct scsi_cmnd *cmd = sp->cmd;
cmd_a64_entry_t *pkt;
__le32 *dword_ptr;
dma_addr_t dma_handle;
int status = 0 ;
int cnt;
int req_cnt;
int seg_cnt;
u8 dir;
ENTER("qla1280_64bit_start_scsi:" );
/* Calculate number of entries and segments required. */
req_cnt = 1 ;
seg_cnt = scsi_dma_map(cmd);
if (seg_cnt > 0 ) {
if (seg_cnt > 2 ) {
req_cnt += (seg_cnt - 2 ) / 5 ;
if ((seg_cnt - 2 ) % 5 )
req_cnt++;
}
} else if (seg_cnt < 0 ) {
status = 1 ;
goto out;
}
if ((req_cnt + 2 ) >= ha->req_q_cnt) {
/* Calculate number of free request entries. */
cnt = RD_REG_WORD(®->mailbox4);
if (ha->req_ring_index < cnt)
ha->req_q_cnt = cnt - ha->req_ring_index;
else
ha->req_q_cnt =
REQUEST_ENTRY_CNT - (ha->req_ring_index - cnt);
}
dprintk(3 , "Number of free entries=(%d) seg_cnt=0x%x\n" ,
ha->req_q_cnt, seg_cnt);
/* If room for request in request ring. */
if ((req_cnt + 2 ) >= ha->req_q_cnt) {
status = SCSI_MLQUEUE_HOST_BUSY;
dprintk(2 , "qla1280_start_scsi: in-ptr=0x%x req_q_cnt="
"0x%xreq_cnt=0x%x" , ha->req_ring_index, ha->req_q_cnt,
req_cnt);
goto out;
}
/* Check for room in outstanding command list. */
for (cnt = 0 ; cnt < MAX_OUTSTANDING_COMMANDS &&
ha->outstanding_cmds[cnt] != NULL; cnt++);
if (cnt >= MAX_OUTSTANDING_COMMANDS) {
status = SCSI_MLQUEUE_HOST_BUSY;
dprintk(2 , "qla1280_start_scsi: NO ROOM IN "
"OUTSTANDING ARRAY, req_q_cnt=0x%x" , ha->req_q_cnt);
goto out;
}
ha->outstanding_cmds[cnt] = sp;
ha->req_q_cnt -= req_cnt;
CMD_HANDLE(sp->cmd) = (unsigned char *)(unsigned long )(cnt + 1 );
dprintk(2 , "start: cmd=%p sp=%p CDB=%xm, handle %lx\n" , cmd, sp,
cmd->cmnd[0 ], (long )CMD_HANDLE(sp->cmd));
dprintk(2 , " bus %i, target %i, lun %i\n" ,
SCSI_BUS_32(cmd), SCSI_TCN_32(cmd), SCSI_LUN_32(cmd));
qla1280_dump_buffer(2 , cmd->cmnd, MAX_COMMAND_SIZE);
/*
* Build command packet .
*/
pkt = (cmd_a64_entry_t *) ha->request_ring_ptr;
pkt->entry_type = COMMAND_A64_TYPE;
pkt->entry_count = (uint8_t) req_cnt;
pkt->sys_define = (uint8_t) ha->req_ring_index;
pkt->entry_status = 0 ;
pkt->handle = cpu_to_le32(cnt);
/* Zero out remaining portion of packet. */
memset(((char *)pkt + 8 ), 0 , (REQUEST_ENTRY_SIZE - 8 ));
/* Set ISP command timeout. */
pkt->timeout = cpu_to_le16(scsi_cmd_to_rq(cmd)->timeout / HZ);
/* Set device target ID and LUN */
pkt->lun = SCSI_LUN_32(cmd);
pkt->target = SCSI_BUS_32(cmd) ?
(SCSI_TCN_32(cmd) | BIT_7) : SCSI_TCN_32(cmd);
/* Enable simple tag queuing if device supports it. */
if (cmd->device->simple_tags)
pkt->control_flags |= cpu_to_le16(BIT_3);
/* Load SCSI command packet. */
pkt->cdb_len = cpu_to_le16(CMD_CDBLEN(cmd));
memcpy(pkt->scsi_cdb, CMD_CDBP(cmd), CMD_CDBLEN(cmd));
/* dprintk(1, "Build packet for command[0]=0x%x\n",pkt->scsi_cdb[0]); */
/* Set transfer direction. */
dir = qla1280_data_direction(cmd);
pkt->control_flags |= cpu_to_le16(dir);
/* Set total data segment count. */
pkt->dseg_count = cpu_to_le16(seg_cnt);
/*
* Load data segments .
*/
if (seg_cnt) { /* If data transfer. */
struct scatterlist *sg, *s;
int remseg = seg_cnt;
sg = scsi_sglist(cmd);
/* Setup packet address segment pointer. */
dword_ptr = (u32 *)&pkt->dseg_0_address;
/* Load command entry data segments. */
for_each_sg(sg, s, seg_cnt, cnt) {
if (cnt == 2 )
break ;
dma_handle = sg_dma_address(s);
*dword_ptr++ =
cpu_to_le32(lower_32_bits(dma_handle));
*dword_ptr++ =
cpu_to_le32(upper_32_bits(dma_handle));
*dword_ptr++ = cpu_to_le32(sg_dma_len(s));
dprintk(3 , "S/G Segment phys_addr=%x %x, len=0x%x\n" ,
cpu_to_le32(upper_32_bits(dma_handle)),
cpu_to_le32(lower_32_bits(dma_handle)),
cpu_to_le32(sg_dma_len(s)));
remseg--;
}
dprintk(5 , "qla1280_64bit_start_scsi: Scatter/gather "
"command packet data - b %i, t %i, l %i \n" ,
SCSI_BUS_32(cmd), SCSI_TCN_32(cmd),
SCSI_LUN_32(cmd));
qla1280_dump_buffer(5 , (char *)pkt,
REQUEST_ENTRY_SIZE);
/*
* Build continuation packets .
*/
dprintk(3 , "S/G Building Continuation...seg_cnt=0x%x "
"remains\n" , seg_cnt);
while (remseg > 0 ) {
/* Update sg start */
sg = s;
/* Adjust ring index. */
ha->req_ring_index++;
if (ha->req_ring_index == REQUEST_ENTRY_CNT) {
ha->req_ring_index = 0 ;
ha->request_ring_ptr =
ha->request_ring;
} else
ha->request_ring_ptr++;
pkt = (cmd_a64_entry_t *)ha->request_ring_ptr;
/* Zero out packet. */
memset(pkt, 0 , REQUEST_ENTRY_SIZE);
/* Load packet defaults. */
((struct cont_a64_entry *) pkt)->entry_type =
CONTINUE_A64_TYPE;
((struct cont_a64_entry *) pkt)->entry_count = 1 ;
((struct cont_a64_entry *) pkt)->sys_define =
(uint8_t)ha->req_ring_index;
/* Setup packet address segment pointer. */
dword_ptr =
(u32 *)&((struct cont_a64_entry *) pkt)->dseg_0_address;
/* Load continuation entry data segments. */
for_each_sg(sg, s, remseg, cnt) {
if (cnt == 5 )
break ;
dma_handle = sg_dma_address(s);
*dword_ptr++ =
cpu_to_le32(lower_32_bits(dma_handle));
*dword_ptr++ =
cpu_to_le32(upper_32_bits(dma_handle));
*dword_ptr++ =
cpu_to_le32(sg_dma_len(s));
dprintk(3 , "S/G Segment Cont. phys_addr=%x %x, len=0x%x\n" ,
cpu_to_le32(upper_32_bits(dma_handle)),
cpu_to_le32(lower_32_bits(dma_handle)),
cpu_to_le32(sg_dma_len(s)));
}
remseg -= cnt;
dprintk(5 , "qla1280_64bit_start_scsi: "
"continuation packet data - b %i, t "
"%i, l %i \n" , SCSI_BUS_32(cmd),
SCSI_TCN_32(cmd), SCSI_LUN_32(cmd));
qla1280_dump_buffer(5 , (char *)pkt,
REQUEST_ENTRY_SIZE);
}
} else { /* No data transfer */
dprintk(5 , "qla1280_64bit_start_scsi: No data, command "
"packet data - b %i, t %i, l %i \n" ,
SCSI_BUS_32(cmd), SCSI_TCN_32(cmd), SCSI_LUN_32(cmd));
qla1280_dump_buffer(5 , (char *)pkt, REQUEST_ENTRY_SIZE);
}
/* Adjust ring index. */
ha->req_ring_index++;
if (ha->req_ring_index == REQUEST_ENTRY_CNT) {
ha->req_ring_index = 0 ;
ha->request_ring_ptr = ha->request_ring;
} else
ha->request_ring_ptr++;
/* Set chip new ring index. */
dprintk(2 ,
"qla1280_64bit_start_scsi: Wakeup RISC for pending command\n" );
sp->flags |= SRB_SENT;
ha->actthreads++;
WRT_REG_WORD(®->mailbox4, ha->req_ring_index);
out:
if (status)
dprintk(2 , "qla1280_64bit_start_scsi: **** FAILED ****\n" );
else
dprintk(3 , "qla1280_64bit_start_scsi: exiting normally\n" );
return status;
}
#else /* !QLA_64BIT_PTR */
/*
* qla1280_32bit_start_scsi
* The start SCSI is responsible for building request packets on
* request ring and modifying ISP input pointer .
*
* The Qlogic firmware interface allows every queue slot to have a SCSI
* command and up to 4 scatter / gather ( SG ) entries . If we need more
* than 4 SG entries , then continuation entries are used that can
* hold another 7 entries each . The start routine determines if there
* is eought empty slots then build the combination of requests to
* fulfill the OS request .
*
* Input :
* ha = adapter block pointer .
* sp = SCSI Request Block structure pointer .
*
* Returns :
* 0 = success , was able to issue command .
*/
static int
qla1280_32bit_start_scsi(struct scsi_qla_host *ha, struct srb * sp)
{
struct device_reg __iomem *reg = ha->iobase;
struct scsi_cmnd *cmd = sp->cmd;
struct cmd_entry *pkt;
__le32 *dword_ptr;
int status = 0 ;
int cnt;
int req_cnt;
int seg_cnt;
u8 dir;
ENTER("qla1280_32bit_start_scsi" );
dprintk(1 , "32bit_start: cmd=%p sp=%p CDB=%x\n" , cmd, sp,
cmd->cmnd[0 ]);
/* Calculate number of entries and segments required. */
req_cnt = 1 ;
seg_cnt = scsi_dma_map(cmd);
if (seg_cnt) {
/*
* if greater than four sg entries then we need to allocate
* continuation entries
*/
if (seg_cnt > 4 ) {
req_cnt += (seg_cnt - 4 ) / 7 ;
if ((seg_cnt - 4 ) % 7 )
req_cnt++;
}
dprintk(3 , "S/G Transfer cmd=%p seg_cnt=0x%x, req_cnt=%x\n" ,
cmd, seg_cnt, req_cnt);
} else if (seg_cnt < 0 ) {
status = 1 ;
goto out;
}
if ((req_cnt + 2 ) >= ha->req_q_cnt) {
/* Calculate number of free request entries. */
cnt = RD_REG_WORD(®->mailbox4);
if (ha->req_ring_index < cnt)
ha->req_q_cnt = cnt - ha->req_ring_index;
else
ha->req_q_cnt =
REQUEST_ENTRY_CNT - (ha->req_ring_index - cnt);
}
dprintk(3 , "Number of free entries=(%d) seg_cnt=0x%x\n" ,
ha->req_q_cnt, seg_cnt);
/* If room for request in request ring. */
if ((req_cnt + 2 ) >= ha->req_q_cnt) {
status = SCSI_MLQUEUE_HOST_BUSY;
dprintk(2 , "qla1280_32bit_start_scsi: in-ptr=0x%x, "
"req_q_cnt=0x%x, req_cnt=0x%x" , ha->req_ring_index,
ha->req_q_cnt, req_cnt);
goto out;
}
/* Check for empty slot in outstanding command list. */
for (cnt = 0 ; cnt < MAX_OUTSTANDING_COMMANDS &&
ha->outstanding_cmds[cnt]; cnt++);
if (cnt >= MAX_OUTSTANDING_COMMANDS) {
status = SCSI_MLQUEUE_HOST_BUSY;
dprintk(2 , "qla1280_32bit_start_scsi: NO ROOM IN OUTSTANDING "
"ARRAY, req_q_cnt=0x%x\n" , ha->req_q_cnt);
goto out;
}
CMD_HANDLE(sp->cmd) = (unsigned char *) (unsigned long )(cnt + 1 );
ha->outstanding_cmds[cnt] = sp;
ha->req_q_cnt -= req_cnt;
/*
* Build command packet .
*/
pkt = (struct cmd_entry *) ha->request_ring_ptr;
pkt->entry_type = COMMAND_TYPE;
pkt->entry_count = (uint8_t) req_cnt;
pkt->sys_define = (uint8_t) ha->req_ring_index;
pkt->entry_status = 0 ;
pkt->handle = cpu_to_le32(cnt);
/* Zero out remaining portion of packet. */
memset(((char *)pkt + 8 ), 0 , (REQUEST_ENTRY_SIZE - 8 ));
/* Set ISP command timeout. */
pkt->timeout = cpu_to_le16(scsi_cmd_to_rq(cmd)->timeout / HZ);
/* Set device target ID and LUN */
pkt->lun = SCSI_LUN_32(cmd);
pkt->target = SCSI_BUS_32(cmd) ?
(SCSI_TCN_32(cmd) | BIT_7) : SCSI_TCN_32(cmd);
/* Enable simple tag queuing if device supports it. */
if (cmd->device->simple_tags)
pkt->control_flags |= cpu_to_le16(BIT_3);
/* Load SCSI command packet. */
pkt->cdb_len = cpu_to_le16(CMD_CDBLEN(cmd));
memcpy(pkt->scsi_cdb, CMD_CDBP(cmd), CMD_CDBLEN(cmd));
/*dprintk(1, "Build packet for command[0]=0x%x\n",pkt->scsi_cdb[0]); */
/* Set transfer direction. */
dir = qla1280_data_direction(cmd);
pkt->control_flags |= cpu_to_le16(dir);
/* Set total data segment count. */
pkt->dseg_count = cpu_to_le16(seg_cnt);
/*
* Load data segments .
*/
if (seg_cnt) {
struct scatterlist *sg, *s;
int remseg = seg_cnt;
sg = scsi_sglist(cmd);
/* Setup packet address segment pointer. */
dword_ptr = &pkt->dseg_0_address;
dprintk(3 , "Building S/G data segments..\n" );
qla1280_dump_buffer(1 , (char *)sg, 4 * 16 );
/* Load command entry data segments. */
for_each_sg(sg, s, seg_cnt, cnt) {
if (cnt == 4 )
break ;
*dword_ptr++ =
cpu_to_le32(lower_32_bits(sg_dma_address(s)));
*dword_ptr++ = cpu_to_le32(sg_dma_len(s));
dprintk(3 , "S/G Segment phys_addr=0x%lx, len=0x%x\n" ,
(lower_32_bits(sg_dma_address(s))),
(sg_dma_len(s)));
remseg--;
}
/*
* Build continuation packets .
*/
dprintk(3 , "S/G Building Continuation"
"...seg_cnt=0x%x remains\n" , seg_cnt);
while (remseg > 0 ) {
/* Continue from end point */
sg = s;
/* Adjust ring index. */
ha->req_ring_index++;
if (ha->req_ring_index == REQUEST_ENTRY_CNT) {
ha->req_ring_index = 0 ;
ha->request_ring_ptr =
ha->request_ring;
} else
ha->request_ring_ptr++;
pkt = (struct cmd_entry *)ha->request_ring_ptr;
/* Zero out packet. */
memset(pkt, 0 , REQUEST_ENTRY_SIZE);
/* Load packet defaults. */
((struct cont_entry *) pkt)->
entry_type = CONTINUE_TYPE;
((struct cont_entry *) pkt)->entry_count = 1 ;
((struct cont_entry *) pkt)->sys_define =
(uint8_t) ha->req_ring_index;
/* Setup packet address segment pointer. */
dword_ptr =
&((struct cont_entry *) pkt)->dseg_0_address;
/* Load continuation entry data segments. */
for_each_sg(sg, s, remseg, cnt) {
if (cnt == 7 )
break ;
*dword_ptr++ =
cpu_to_le32(lower_32_bits(sg_dma_address(s)));
*dword_ptr++ =
cpu_to_le32(sg_dma_len(s));
dprintk(1 ,
"S/G Segment Cont. phys_addr=0x%x, "
"len=0x%x\n" ,
cpu_to_le32(lower_32_bits(sg_dma_address(s))),
cpu_to_le32(sg_dma_len(s)));
}
remseg -= cnt;
dprintk(5 , "qla1280_32bit_start_scsi: "
"continuation packet data - "
"scsi(%i:%i:%i)\n" , SCSI_BUS_32(cmd),
SCSI_TCN_32(cmd), SCSI_LUN_32(cmd));
qla1280_dump_buffer(5 , (char *)pkt,
REQUEST_ENTRY_SIZE);
}
} else { /* No data transfer at all */
dprintk(5 , "qla1280_32bit_start_scsi: No data, command "
"packet data - \n" );
qla1280_dump_buffer(5 , (char *)pkt, REQUEST_ENTRY_SIZE);
}
dprintk(5 , "qla1280_32bit_start_scsi: First IOCB block:\n" );
qla1280_dump_buffer(5 , (char *)ha->request_ring_ptr,
REQUEST_ENTRY_SIZE);
/* Adjust ring index. */
ha->req_ring_index++;
if (ha->req_ring_index == REQUEST_ENTRY_CNT) {
ha->req_ring_index = 0 ;
ha->request_ring_ptr = ha->request_ring;
} else
ha->request_ring_ptr++;
/* Set chip new ring index. */
dprintk(2 , "qla1280_32bit_start_scsi: Wakeup RISC "
"for pending command\n" );
sp->flags |= SRB_SENT;
ha->actthreads++;
WRT_REG_WORD(®->mailbox4, ha->req_ring_index);
out:
if (status)
dprintk(2 , "qla1280_32bit_start_scsi: **** FAILED ****\n" );
LEAVE("qla1280_32bit_start_scsi" );
return status;
}
#endif
/*
* qla1280_req_pkt
* Function is responsible for locking ring and
* getting a zeroed out request packet .
*
* Input :
* ha = adapter block pointer .
*
* Returns :
* 0 = failed to get slot .
*/
static request_t *
qla1280_req_pkt(struct scsi_qla_host *ha)
{
struct device_reg __iomem *reg = ha->iobase;
request_t *pkt = NULL;
int cnt;
uint32_t timer;
ENTER("qla1280_req_pkt" );
/*
* This can be called from interrupt context , damn it ! ! !
*/
/* Wait for 30 seconds for slot. */
for (timer = 15000000 ; timer; timer--) {
if (ha->req_q_cnt > 0 ) {
/* Calculate number of free request entries. */
cnt = RD_REG_WORD(®->mailbox4);
if (ha->req_ring_index < cnt)
ha->req_q_cnt = cnt - ha->req_ring_index;
else
ha->req_q_cnt =
REQUEST_ENTRY_CNT - (ha->req_ring_index - cnt);
}
/* Found empty request ring slot? */
if (ha->req_q_cnt > 0 ) {
ha->req_q_cnt--;
pkt = ha->request_ring_ptr;
/* Zero out packet. */
memset(pkt, 0 , REQUEST_ENTRY_SIZE);
/*
* How can this be right when we have a ring
* size of 512 ? ? ?
*/
/* Set system defined field. */
pkt->sys_define = (uint8_t) ha->req_ring_index;
/* Set entry count. */
pkt->entry_count = 1 ;
break ;
}
udelay(2 ); /* 10 */
/* Check for pending interrupts. */
qla1280_poll(ha);
}
if (!pkt)
dprintk(2 , "qla1280_req_pkt: **** FAILED ****\n" );
else
dprintk(3 , "qla1280_req_pkt: exiting normally\n" );
return pkt;
}
/*
* qla1280_isp_cmd
* Function is responsible for modifying ISP input pointer .
* Releases ring lock .
*
* Input :
* ha = adapter block pointer .
*/
static void
qla1280_isp_cmd(struct scsi_qla_host *ha)
{
struct device_reg __iomem *reg = ha->iobase;
ENTER("qla1280_isp_cmd" );
dprintk(5 , "qla1280_isp_cmd: IOCB data:\n" );
qla1280_dump_buffer(5 , (char *)ha->request_ring_ptr,
REQUEST_ENTRY_SIZE);
/* Adjust ring index. */
ha->req_ring_index++;
if (ha->req_ring_index == REQUEST_ENTRY_CNT) {
ha->req_ring_index = 0 ;
ha->request_ring_ptr = ha->request_ring;
} else
ha->request_ring_ptr++;
/*
* Update request index to mailbox4 ( Request Queue In ) .
*/
WRT_REG_WORD(®->mailbox4, ha->req_ring_index);
LEAVE("qla1280_isp_cmd" );
}
/****************************************************************************/
/* Interrupt Service Routine. */
/****************************************************************************/
/****************************************************************************
* qla1280_isr
* Calls I / O done on command completion .
*
* Input :
* ha = adapter block pointer .
* done_q = done queue .
****************************************************************************/
static void
qla1280_isr(struct scsi_qla_host *ha, struct list_head *done_q)
{
struct device_reg __iomem *reg = ha->iobase;
struct response *pkt;
struct srb *sp = NULL;
uint16_t mailbox[MAILBOX_REGISTER_COUNT];
uint16_t *wptr;
uint32_t index;
u16 istatus;
ENTER("qla1280_isr" );
istatus = RD_REG_WORD(®->istatus);
if (!(istatus & (RISC_INT | PCI_INT)))
return ;
/* Save mailbox register 5 */
mailbox[5 ] = RD_REG_WORD(®->mailbox5);
/* Check for mailbox interrupt. */
mailbox[0 ] = RD_REG_WORD_dmasync(®->semaphore);
if (mailbox[0 ] & BIT_0) {
/* Get mailbox data. */
/* dprintk(1, "qla1280_isr: In Get mailbox data \n"); */
wptr = &mailbox[0 ];
*wptr++ = RD_REG_WORD(®->mailbox0);
*wptr++ = RD_REG_WORD(®->mailbox1);
*wptr = RD_REG_WORD(®->mailbox2);
if (mailbox[0 ] != MBA_SCSI_COMPLETION) {
wptr++;
*wptr++ = RD_REG_WORD(®->mailbox3);
*wptr++ = RD_REG_WORD(®->mailbox4);
wptr++;
*wptr++ = RD_REG_WORD(®->mailbox6);
*wptr = RD_REG_WORD(®->mailbox7);
}
/* Release mailbox registers. */
WRT_REG_WORD(®->semaphore, 0 );
WRT_REG_WORD(®->host_cmd, HC_CLR_RISC_INT);
dprintk(5 , "qla1280_isr: mailbox interrupt mailbox[0] = 0x%x" ,
mailbox[0 ]);
/* Handle asynchronous event */
switch (mailbox[0 ]) {
case MBA_SCSI_COMPLETION: /* Response completion */
dprintk(5 , "qla1280_isr: mailbox SCSI response "
"completion\n" );
if (ha->flags.online) {
/* Get outstanding command index. */
index = mailbox[2 ] << 16 | mailbox[1 ];
/* Validate handle. */
if (index < MAX_OUTSTANDING_COMMANDS)
sp = ha->outstanding_cmds[index];
else
sp = NULL;
if (sp) {
/* Free outstanding command slot. */
ha->outstanding_cmds[index] = NULL;
/* Save ISP completion status */
CMD_RESULT(sp->cmd) = 0 ;
CMD_HANDLE(sp->cmd) = COMPLETED_HANDLE;
/* Place block on done queue */
list_add_tail(&sp->list, done_q);
} else {
/*
* If we get here we have a real problem !
*/
printk(KERN_WARNING
"qla1280: ISP invalid handle\n" );
}
}
break ;
case MBA_BUS_RESET: /* SCSI Bus Reset */
ha->flags.reset_marker = 1 ;
index = mailbox[6 ] & BIT_0;
ha->bus_settings[index].reset_marker = 1 ;
printk(KERN_DEBUG "qla1280_isr(): index %i "
"asynchronous BUS_RESET\n" , index);
break ;
case MBA_SYSTEM_ERR: /* System Error */
printk(KERN_WARNING
"qla1280: ISP System Error - mbx1=%xh, mbx2="
"%xh, mbx3=%xh\n" , mailbox[1 ], mailbox[2 ],
mailbox[3 ]);
break ;
case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */
printk(KERN_WARNING
"qla1280: ISP Request Transfer Error\n" );
break ;
case MBA_RSP_TRANSFER_ERR: /* Response Transfer Error */
printk(KERN_WARNING
"qla1280: ISP Response Transfer Error\n" );
break ;
case MBA_WAKEUP_THRES: /* Request Queue Wake-up */
dprintk(2 , "qla1280_isr: asynchronous WAKEUP_THRES\n" );
break ;
case MBA_TIMEOUT_RESET: /* Execution Timeout Reset */
dprintk(2 ,
"qla1280_isr: asynchronous TIMEOUT_RESET\n" );
break ;
case MBA_DEVICE_RESET: /* Bus Device Reset */
printk(KERN_INFO "qla1280_isr(): asynchronous "
"BUS_DEVICE_RESET\n" );
ha->flags.reset_marker = 1 ;
index = mailbox[6 ] & BIT_0;
ha->bus_settings[index].reset_marker = 1 ;
break ;
case MBA_BUS_MODE_CHANGE:
dprintk(2 ,
"qla1280_isr: asynchronous BUS_MODE_CHANGE\n" );
break ;
default :
/* dprintk(1, "qla1280_isr: default case of switch MB \n"); */
if (mailbox[0 ] < MBA_ASYNC_EVENT) {
wptr = &mailbox[0 ];
memcpy((uint16_t *) ha->mailbox_out, wptr,
MAILBOX_REGISTER_COUNT *
sizeof (uint16_t));
if (ha->mailbox_wait != NULL)
complete(ha->mailbox_wait);
}
break ;
}
} else {
WRT_REG_WORD(®->host_cmd, HC_CLR_RISC_INT);
}
/*
* We will receive interrupts during mailbox testing prior to
* the card being marked online , hence the double check .
*/
if (!(ha->flags.online && !ha->mailbox_wait)) {
dprintk(2 , "qla1280_isr: Response pointer Error\n" );
goto out;
}
if (mailbox[5 ] >= RESPONSE_ENTRY_CNT)
goto out;
while (ha->rsp_ring_index != mailbox[5 ]) {
pkt = ha->response_ring_ptr;
dprintk(5 , "qla1280_isr: ha->rsp_ring_index = 0x%x, mailbox[5]"
" = 0x%x\n" , ha->rsp_ring_index, mailbox[5 ]);
dprintk(5 ,"qla1280_isr: response packet data\n" );
qla1280_dump_buffer(5 , (char *)pkt, RESPONSE_ENTRY_SIZE);
if (pkt->entry_type == STATUS_TYPE) {
if ((le16_to_cpu(pkt->scsi_status) & 0 xff)
|| pkt->comp_status || pkt->entry_status) {
dprintk(2 , "qla1280_isr: ha->rsp_ring_index = "
"0x%x mailbox[5] = 0x%x, comp_status "
"= 0x%x, scsi_status = 0x%x\n" ,
ha->rsp_ring_index, mailbox[5 ],
le16_to_cpu(pkt->comp_status),
le16_to_cpu(pkt->scsi_status));
}
} else {
dprintk(2 , "qla1280_isr: ha->rsp_ring_index = "
"0x%x, mailbox[5] = 0x%x\n" ,
ha->rsp_ring_index, mailbox[5 ]);
dprintk(2 , "qla1280_isr: response packet data\n" );
qla1280_dump_buffer(2 , (char *)pkt,
RESPONSE_ENTRY_SIZE);
}
if (pkt->entry_type == STATUS_TYPE || pkt->entry_status) {
dprintk(2 , "status: Cmd %p, handle %i\n" ,
ha->outstanding_cmds[pkt->handle]->cmd,
pkt->handle);
if (pkt->entry_type == STATUS_TYPE)
qla1280_status_entry(ha, pkt, done_q);
else
qla1280_error_entry(ha, pkt, done_q);
/* Adjust ring index. */
ha->rsp_ring_index++;
if (ha->rsp_ring_index == RESPONSE_ENTRY_CNT) {
ha->rsp_ring_index = 0 ;
ha->response_ring_ptr = ha->response_ring;
} else
ha->response_ring_ptr++;
WRT_REG_WORD(®->mailbox5, ha->rsp_ring_index);
}
}
out:
LEAVE("qla1280_isr" );
}
/*
* qla1280_rst_aen
* Processes asynchronous reset .
*
* Input :
* ha = adapter block pointer .
*/
static void
qla1280_rst_aen(struct scsi_qla_host *ha)
{
uint8_t bus;
ENTER("qla1280_rst_aen" );
if (ha->flags.online && !ha->flags.reset_active &&
!ha->flags.abort_isp_active) {
ha->flags.reset_active = 1 ;
while (ha->flags.reset_marker) {
/* Issue marker command. */
ha->flags.reset_marker = 0 ;
for (bus = 0 ; bus < ha->ports &&
!ha->flags.reset_marker; bus++) {
if (ha->bus_settings[bus].reset_marker) {
ha->bus_settings[bus].reset_marker = 0 ;
qla1280_marker(ha, bus, 0 , 0 ,
MK_SYNC_ALL);
}
}
}
}
LEAVE("qla1280_rst_aen" );
}
/*
* qla1280_status_entry
* Processes received ISP status entry .
*
* Input :
* ha = adapter block pointer .
* pkt = entry pointer .
* done_q = done queue .
*/
static void
qla1280_status_entry(struct scsi_qla_host *ha, struct response *pkt,
struct list_head *done_q)
{
int sense_sz;
struct srb *sp;
struct scsi_cmnd *cmd;
uint32_t handle = le32_to_cpu(pkt->handle);
uint16_t scsi_status = le16_to_cpu(pkt->scsi_status);
uint16_t comp_status = le16_to_cpu(pkt->comp_status);
ENTER("qla1280_status_entry" );
/* Validate handle. */
if (handle < MAX_OUTSTANDING_COMMANDS)
sp = ha->outstanding_cmds[handle];
else
sp = NULL;
if (!sp) {
printk(KERN_WARNING "qla1280: Status Entry invalid handle\n" );
goto out;
}
/* Free outstanding command slot. */
ha->outstanding_cmds[handle] = NULL;
cmd = sp->cmd;
if (comp_status || scsi_status) {
dprintk(3 , "scsi: comp_status = 0x%x, scsi_status = "
"0x%x, handle = 0x%x\n" , comp_status,
scsi_status, handle);
}
/* Target busy or queue full */
if ((scsi_status & 0 xFF) == SAM_STAT_TASK_SET_FULL ||
(scsi_status & 0 xFF) == SAM_STAT_BUSY) {
CMD_RESULT(cmd) = scsi_status & 0 xff;
} else {
/* Save ISP completion status */
CMD_RESULT(cmd) = qla1280_return_status(pkt, cmd);
if (scsi_status & SAM_STAT_CHECK_CONDITION) {
if (comp_status != CS_ARS_FAILED) {
uint16_t req_sense_length =
le16_to_cpu(pkt->req_sense_length);
if (req_sense_length < CMD_SNSLEN(cmd))
sense_sz = req_sense_length;
else
/*
* scsi_cmnd - > sense_buffer is
* 64 bytes , why only copy 63 ?
* This looks wrong ! / Jes
*/
sense_sz = CMD_SNSLEN(cmd) - 1 ;
memcpy(cmd->sense_buffer,
&pkt->req_sense_data, sense_sz);
} else
sense_sz = 0 ;
memset(cmd->sense_buffer + sense_sz, 0 ,
SCSI_SENSE_BUFFERSIZE - sense_sz);
dprintk(2 , "qla1280_status_entry: Check "
"condition Sense data, b %i, t %i, "
"l %i\n" , SCSI_BUS_32(cmd), SCSI_TCN_32(cmd),
SCSI_LUN_32(cmd));
if (sense_sz)
qla1280_dump_buffer(2 ,
(char *)cmd->sense_buffer,
sense_sz);
}
}
CMD_HANDLE(sp->cmd) = COMPLETED_HANDLE;
/* Place command on done queue. */
list_add_tail(&sp->list, done_q);
out:
LEAVE("qla1280_status_entry" );
}
/*
* qla1280_error_entry
* Processes error entry .
*
* Input :
* ha = adapter block pointer .
* pkt = entry pointer .
* done_q = done queue .
*/
static void
qla1280_error_entry(struct scsi_qla_host *ha, struct response *pkt,
struct list_head *done_q)
{
struct srb *sp;
uint32_t handle = le32_to_cpu(pkt->handle);
ENTER("qla1280_error_entry" );
if (pkt->entry_status & BIT_3)
dprintk(2 , "qla1280_error_entry: BAD PAYLOAD flag error\n" );
else if (pkt->entry_status & BIT_2)
dprintk(2 , "qla1280_error_entry: BAD HEADER flag error\n" );
else if (pkt->entry_status & BIT_1)
dprintk(2 , "qla1280_error_entry: FULL flag error\n" );
else
dprintk(2 , "qla1280_error_entry: UNKNOWN flag error\n" );
/* Validate handle. */
if (handle < MAX_OUTSTANDING_COMMANDS)
sp = ha->outstanding_cmds[handle];
else
sp = NULL;
if (sp) {
/* Free outstanding command slot. */
ha->outstanding_cmds[handle] = NULL;
/* Bad payload or header */
if (pkt->entry_status & (BIT_3 + BIT_2)) {
/* Bad payload or header, set error status. */
/* CMD_RESULT(sp->cmd) = CS_BAD_PAYLOAD; */
CMD_RESULT(sp->cmd) = DID_ERROR << 16 ;
} else if (pkt->entry_status & BIT_1) { /* FULL flag */
CMD_RESULT(sp->cmd) = DID_BUS_BUSY << 16 ;
} else {
/* Set error status. */
CMD_RESULT(sp->cmd) = DID_ERROR << 16 ;
}
CMD_HANDLE(sp->cmd) = COMPLETED_HANDLE;
/* Place command on done queue. */
list_add_tail(&sp->list, done_q);
}
#ifdef QLA_64BIT_PTR
else if (pkt->entry_type == COMMAND_A64_TYPE) {
printk(KERN_WARNING "!qla1280: Error Entry invalid handle" );
}
#endif
LEAVE("qla1280_error_entry" );
}
/*
* qla1280_abort_isp
* Resets ISP and aborts all outstanding commands .
*
* Input :
* ha = adapter block pointer .
*
* Returns :
* 0 = success
*/
static int
qla1280_abort_isp(struct scsi_qla_host *ha)
{
struct device_reg __iomem *reg = ha->iobase;
struct srb *sp;
int status = 0 ;
int cnt;
int bus;
ENTER("qla1280_abort_isp" );
if (ha->flags.abort_isp_active || !ha->flags.online)
goto out;
ha->flags.abort_isp_active = 1 ;
/* Disable ISP interrupts. */
qla1280_disable_intrs(ha);
WRT_REG_WORD(®->host_cmd, HC_PAUSE_RISC);
RD_REG_WORD(®->id_l);
printk(KERN_INFO "scsi(%li): dequeuing outstanding commands\n" ,
ha->host_no);
/* Dequeue all commands in outstanding command list. */
for (cnt = 0 ; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
struct scsi_cmnd *cmd;
sp = ha->outstanding_cmds[cnt];
if (sp) {
cmd = sp->cmd;
CMD_RESULT(cmd) = DID_RESET << 16 ;
CMD_HANDLE(cmd) = COMPLETED_HANDLE;
ha->outstanding_cmds[cnt] = NULL;
list_add_tail(&sp->list, &ha->done_q);
}
}
qla1280_done(ha);
status = qla1280_load_firmware(ha);
if (status)
goto out;
/* Setup adapter based on NVRAM parameters. */
qla1280_nvram_config (ha);
status = qla1280_init_rings(ha);
if (status)
goto out;
/* Issue SCSI reset. */
for (bus = 0 ; bus < ha->ports; bus++)
qla1280_bus_reset(ha, bus);
ha->flags.abort_isp_active = 0 ;
out:
if (status) {
printk(KERN_WARNING
"qla1280: ISP error recovery failed, board disabled" );
qla1280_reset_adapter(ha);
dprintk(2 , "qla1280_abort_isp: **** FAILED ****\n" );
}
LEAVE("qla1280_abort_isp" );
return status;
}
/*
* qla1280_debounce_register
* Debounce register .
*
* Input :
* port = register address .
*
* Returns :
* register value .
*/
static u16
qla1280_debounce_register(volatile u16 __iomem * addr)
{
volatile u16 ret;
volatile u16 ret2;
ret = RD_REG_WORD(addr);
ret2 = RD_REG_WORD(addr);
if (ret == ret2)
return ret;
do {
cpu_relax();
ret = RD_REG_WORD(addr);
ret2 = RD_REG_WORD(addr);
} while (ret != ret2);
return ret;
}
/************************************************************************
* qla1280_check_for_dead_scsi_bus *
* *
* This routine checks for a dead SCSI bus *
************************************************************************/
#define SET_SXP_BANK 0 x0100
#define SCSI_PHASE_INVALID 0 x87FF
static int
qla1280_check_for_dead_scsi_bus(struct scsi_qla_host *ha, unsigned int bus)
{
uint16_t config_reg, scsi_control;
struct device_reg __iomem *reg = ha->iobase;
if (ha->bus_settings[bus].scsi_bus_dead) {
WRT_REG_WORD(®->host_cmd, HC_PAUSE_RISC);
config_reg = RD_REG_WORD(®->cfg_1);
WRT_REG_WORD(®->cfg_1, SET_SXP_BANK);
scsi_control = RD_REG_WORD(®->scsiControlPins);
WRT_REG_WORD(®->cfg_1, config_reg);
WRT_REG_WORD(®->host_cmd, HC_RELEASE_RISC);
if (scsi_control == SCSI_PHASE_INVALID) {
ha->bus_settings[bus].scsi_bus_dead = 1 ;
return 1 ; /* bus is dead */
} else {
ha->bus_settings[bus].scsi_bus_dead = 0 ;
ha->bus_settings[bus].failed_reset_count = 0 ;
}
}
return 0 ; /* bus is not dead */
}
static void
qla1280_get_target_parameters(struct scsi_qla_host *ha,
struct scsi_device *device)
{
uint16_t mb[MAILBOX_REGISTER_COUNT];
int bus, target, lun;
bus = device->channel;
target = device->id;
lun = device->lun;
mb[0 ] = MBC_GET_TARGET_PARAMETERS;
mb[1 ] = (uint16_t) (bus ? target | BIT_7 : target);
mb[1 ] <<= 8 ;
qla1280_mailbox_command(ha, BIT_6 | BIT_3 | BIT_2 | BIT_1 | BIT_0,
&mb[0 ]);
printk(KERN_INFO "scsi(%li:%d:%d:%d):" , ha->host_no, bus, target, lun);
if (mb[3 ] != 0 ) {
printk(KERN_CONT " Sync: period %d, offset %d" ,
(mb[3 ] & 0 xff), (mb[3 ] >> 8 ));
if (mb[2 ] & BIT_13)
printk(KERN_CONT ", Wide" );
if ((mb[2 ] & BIT_5) && ((mb[6 ] >> 8 ) & 0 xff) >= 2 )
printk(KERN_CONT ", DT" );
} else
printk(KERN_CONT " Async" );
if (device->simple_tags)
printk(KERN_CONT ", Tagged queuing: depth %d" , device->queue_depth);
printk(KERN_CONT "\n" );
}
#if DEBUG_QLA1280
static void
__qla1280_dump_buffer(char *b, int size)
{
int cnt;
u8 c;
printk(KERN_DEBUG " 0 1 2 3 4 5 6 7 8 9 Ah "
"Bh Ch Dh Eh Fh\n" );
printk(KERN_DEBUG "---------------------------------------------"
"------------------\n" );
for (cnt = 0 ; cnt < size;) {
c = *b++;
printk("0x%02x" , c);
cnt++;
if (!(cnt % 16 ))
printk("\n" );
else
printk(" " );
}
if (cnt % 16 )
printk("\n" );
}
/**************************************************************************
* ql1280_print_scsi_cmd
*
**************************************************************************/
static void
__qla1280_print_scsi_cmd(struct scsi_cmnd *cmd)
{
struct scsi_qla_host *ha;
struct Scsi_Host *host = CMD_HOST(cmd);
struct srb *sp;
/* struct scatterlist *sg; */
int i;
ha = (struct scsi_qla_host *)host->hostdata;
sp = scsi_cmd_priv(cmd);
printk("SCSI Command @= 0x%p, Handle=0x%p\n" , cmd, CMD_HANDLE(cmd));
printk(" chan=%d, target = 0x%02x, lun = 0x%02x, cmd_len = 0x%02x\n" ,
SCSI_BUS_32(cmd), SCSI_TCN_32(cmd), SCSI_LUN_32(cmd),
CMD_CDBLEN(cmd));
printk(" CDB = " );
for (i = 0 ; i < cmd->cmd_len; i++) {
printk("0x%02x " , cmd->cmnd[i]);
}
printk(" seg_cnt =%d\n" , scsi_sg_count(cmd));
printk(" request buffer=0x%p, request buffer len=0x%x\n" ,
scsi_sglist(cmd), scsi_bufflen(cmd));
/* if (cmd->use_sg)
{
sg = ( struct scatterlist * ) cmd - > request_buffer ;
printk ( " SG buffer : \ n " ) ;
qla1280_dump_buffer ( 1 , ( char * ) sg , ( cmd - > use_sg * sizeof ( struct scatterlist ) ) ) ;
} */
printk(" tag=%d, transfersize=0x%x \n" ,
scsi_cmd_to_rq(cmd)->tag, cmd->transfersize);
printk(" underflow size = 0x%x, direction=0x%x\n" ,
cmd->underflow, cmd->sc_data_direction);
}
/**************************************************************************
* ql1280_dump_device
*
**************************************************************************/
static void
ql1280_dump_device(struct scsi_qla_host *ha)
{
struct scsi_cmnd *cp;
struct srb *sp;
int i;
printk(KERN_DEBUG "Outstanding Commands on controller:\n" );
for (i = 0 ; i < MAX_OUTSTANDING_COMMANDS; i++) {
if ((sp = ha->outstanding_cmds[i]) == NULL)
continue ;
if ((cp = sp->cmd) == NULL)
continue ;
qla1280_print_scsi_cmd(1 , cp);
}
}
#endif
enum tokens {
TOKEN_NVRAM,
TOKEN_SYNC,
TOKEN_WIDE,
TOKEN_PPR,
TOKEN_VERBOSE,
TOKEN_DEBUG,
};
struct setup_tokens {
char *token;
int val;
};
static struct setup_tokens setup_token[] __initdata =
{
{ "nvram" , TOKEN_NVRAM },
{ "sync" , TOKEN_SYNC },
{ "wide" , TOKEN_WIDE },
{ "ppr" , TOKEN_PPR },
{ "verbose" , TOKEN_VERBOSE },
{ "debug" , TOKEN_DEBUG },
};
/**************************************************************************
* qla1280_setup
*
* Handle boot parameters . This really needs to be changed so one
* can specify per adapter parameters .
**************************************************************************/
static int __init
qla1280_setup(char *s)
{
char *cp, *ptr;
unsigned long val;
cp = s;
while (cp && (ptr = strchr(cp, ':' ))) {
ptr++;
if (!strcmp(ptr, "yes" )) {
val = 0 x10000;
ptr += 3 ;
} else if (!strcmp(ptr, "no" )) {
val = 0 ;
ptr += 2 ;
} else
val = simple_strtoul(ptr, &ptr, 0 );
switch (qla1280_get_token(cp)) {
case TOKEN_NVRAM:
if (!val)
driver_setup.no_nvram = 1 ;
break ;
case TOKEN_SYNC:
if (!val)
driver_setup.no_sync = 1 ;
else if (val != 0 x10000)
driver_setup.sync_mask = val;
break ;
case TOKEN_WIDE:
if (!val)
driver_setup.no_wide = 1 ;
else if (val != 0 x10000)
driver_setup.wide_mask = val;
break ;
case TOKEN_PPR:
if (!val)
driver_setup.no_ppr = 1 ;
else if (val != 0 x10000)
driver_setup.ppr_mask = val;
break ;
case TOKEN_VERBOSE:
qla1280_verbose = val;
break ;
default :
printk(KERN_INFO "qla1280: unknown boot option %s\n" ,
cp);
}
cp = strchr(ptr, ';' );
if (cp)
cp++;
else {
break ;
}
}
return 1 ;
}
static int __init
qla1280_get_token(char *str)
{
char *sep;
long ret = -1 ;
int i;
sep = strchr(str, ':' );
if (sep) {
for (i = 0 ; i < ARRAY_SIZE(setup_token); i++) {
if (!strncmp(setup_token[i].token, str, (sep - str))) {
ret = setup_token[i].val;
break ;
}
}
}
return ret;
}
static const struct scsi_host_template qla1280_driver_template = {
.module = THIS_MODULE,
.proc_name = "qla1280" ,
.name = "Qlogic ISP 1280/12160" ,
.info = qla1280_info,
.sdev_configure = qla1280_sdev_configure,
.queuecommand = qla1280_queuecommand,
.eh_abort_handler = qla1280_eh_abort,
.eh_device_reset_handler= qla1280_eh_device_reset,
.eh_bus_reset_handler = qla1280_eh_bus_reset,
.eh_host_reset_handler = qla1280_eh_adapter_reset,
.bios_param = qla1280_biosparam,
.can_queue = MAX_OUTSTANDING_COMMANDS,
.this_id = -1 ,
.sg_tablesize = SG_ALL,
.cmd_size = sizeof (struct srb),
};
static int
qla1280_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
{
int devnum = id->driver_data;
struct qla_boards *bdp = &ql1280_board_tbl[devnum];
struct Scsi_Host *host;
struct scsi_qla_host *ha;
int error = -ENODEV;
/* Bypass all AMI SUBSYS VENDOR IDs */
if (pdev->subsystem_vendor == PCI_VENDOR_ID_AMI) {
printk(KERN_INFO
"qla1280: Skipping AMI SubSys Vendor ID Chip\n" );
goto error;
}
printk(KERN_INFO "qla1280: %s found on PCI bus %i, dev %i\n" ,
bdp->name, pdev->bus->number, PCI_SLOT(pdev->devfn));
if (pci_enable_device(pdev)) {
printk(KERN_WARNING
"qla1280: Failed to enabled pci device, aborting.\n" );
goto error;
}
pci_set_master(pdev);
error = -ENOMEM;
host = scsi_host_alloc(&qla1280_driver_template, sizeof (*ha));
if (!host) {
printk(KERN_WARNING
"qla1280: Failed to register host, aborting.\n" );
goto error_disable_device;
}
ha = (struct scsi_qla_host *)host->hostdata;
memset(ha, 0 , sizeof (struct scsi_qla_host));
ha->pdev = pdev;
ha->devnum = devnum; /* specifies microcode load address */
#ifdef QLA_64BIT_PTR
if (dma_set_mask_and_coherent(&ha->pdev->dev, DMA_BIT_MASK(64 ))) {
if (dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32 ))) {
printk(KERN_WARNING "scsi(%li): Unable to set a "
"suitable DMA mask - aborting\n" , ha->host_no);
error = -ENODEV;
goto error_put_host;
}
} else
dprintk(2 , "scsi(%li): 64 Bit PCI Addressing Enabled\n" ,
ha->host_no);
#else
if (dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32 ))) {
printk(KERN_WARNING "scsi(%li): Unable to set a "
"suitable DMA mask - aborting\n" , ha->host_no);
error = -ENODEV;
goto error_put_host;
}
#endif
ha->request_ring = dma_alloc_coherent(&ha->pdev->dev,
((REQUEST_ENTRY_CNT + 1 ) * sizeof (request_t)),
&ha->request_dma, GFP_KERNEL);
if (!ha->request_ring) {
printk(KERN_INFO "qla1280: Failed to get request memory\n" );
goto error_put_host;
}
ha->response_ring = dma_alloc_coherent(&ha->pdev->dev,
((RESPONSE_ENTRY_CNT + 1 ) * sizeof (struct response)),
&ha->response_dma, GFP_KERNEL);
if (!ha->response_ring) {
printk(KERN_INFO "qla1280: Failed to get response memory\n" );
goto error_free_request_ring;
}
ha->ports = bdp->numPorts;
ha->host = host;
ha->host_no = host->host_no;
host->irq = pdev->irq;
host->max_channel = bdp->numPorts - 1 ;
host->max_lun = MAX_LUNS - 1 ;
host->max_id = MAX_TARGETS;
host->max_sectors = 1024 ;
host->unique_id = host->host_no;
error = -ENODEV;
#if MEMORY_MAPPED_IO
ha->mmpbase = pci_ioremap_bar(ha->pdev, 1 );
if (!ha->mmpbase) {
printk(KERN_INFO "qla1280: Unable to map I/O memory\n" );
goto error_free_response_ring;
}
host->base = (unsigned long )ha->mmpbase;
ha->iobase = (struct device_reg __iomem *)ha->mmpbase;
#else
host->io_port = pci_resource_start(ha->pdev, 0 );
if (!request_region(host->io_port, 0 xff, "qla1280" )) {
printk(KERN_INFO "qla1280: Failed to reserve i/o region "
"0x%04lx-0x%04lx - already in use\n" ,
host->io_port, host->io_port + 0 xff);
goto error_free_response_ring;
}
ha->iobase = (struct device_reg *)host->io_port;
#endif
INIT_LIST_HEAD(&ha->done_q);
/* Disable ISP interrupts. */
qla1280_disable_intrs(ha);
if (request_irq(pdev->irq, qla1280_intr_handler, IRQF_SHARED,
"qla1280" , ha)) {
printk("qla1280 : Failed to reserve interrupt %d already "
"in use\n" , pdev->irq);
goto error_release_region;
}
/* load the F/W, read paramaters, and init the H/W */
if (qla1280_initialize_adapter(ha)) {
printk(KERN_INFO "qla1x160: Failed to initialize adapter\n" );
goto error_free_irq;
}
/* set our host ID (need to do something about our two IDs) */
host->this_id = ha->bus_settings[0 ].id;
pci_set_drvdata(pdev, host);
error = scsi_add_host(host, &pdev->dev);
if (error)
goto error_disable_adapter;
scsi_scan_host(host);
return 0 ;
error_disable_adapter:
qla1280_disable_intrs(ha);
error_free_irq:
free_irq(pdev->irq, ha);
error_release_region:
#if MEMORY_MAPPED_IO
iounmap(ha->mmpbase);
#else
release_region(host->io_port, 0 xff);
#endif
error_free_response_ring:
dma_free_coherent(&ha->pdev->dev,
((RESPONSE_ENTRY_CNT + 1 ) * sizeof (struct response)),
ha->response_ring, ha->response_dma);
error_free_request_ring:
dma_free_coherent(&ha->pdev->dev,
((REQUEST_ENTRY_CNT + 1 ) * sizeof (request_t)),
ha->request_ring, ha->request_dma);
error_put_host:
scsi_host_put(host);
error_disable_device:
pci_disable_device(pdev);
error:
return error;
}
static void
qla1280_remove_one(struct pci_dev *pdev)
{
struct Scsi_Host *host = pci_get_drvdata(pdev);
struct scsi_qla_host *ha = (struct scsi_qla_host *)host->hostdata;
scsi_remove_host(host);
qla1280_disable_intrs(ha);
free_irq(pdev->irq, ha);
#if MEMORY_MAPPED_IO
iounmap(ha->mmpbase);
#else
release_region(host->io_port, 0 xff);
#endif
dma_free_coherent(&ha->pdev->dev,
((REQUEST_ENTRY_CNT + 1 ) * (sizeof (request_t))),
ha->request_ring, ha->request_dma);
dma_free_coherent(&ha->pdev->dev,
((RESPONSE_ENTRY_CNT + 1 ) * (sizeof (struct response))),
ha->response_ring, ha->response_dma);
pci_disable_device(pdev);
scsi_host_put(host);
}
static struct pci_driver qla1280_pci_driver = {
.name = "qla1280" ,
.id_table = qla1280_pci_tbl,
.probe = qla1280_probe_one,
.remove = qla1280_remove_one,
};
static int __init
qla1280_init(void )
{
#ifdef MODULE
/*
* If we are called as a module , the qla1280 pointer may not be null
* and it would point to our bootup string , just like on the lilo
* command line . IF not NULL , then process this config string with
* qla1280_setup
*
* Boot time Options
* To add options at boot time add a line to your lilo . conf file like :
* append = " qla1280 = verbose , max_tags : { { 255 , 255 , 255 , 255 } , { 255 , 255 , 255 , 255 } } "
* which will result in the first four devices on the first two
* controllers being set to a tagged queue depth of 32 .
*/
if (qla1280)
qla1280_setup(qla1280);
#endif
return pci_register_driver(&qla1280_pci_driver);
}
static void __exit
qla1280_exit(void )
{
int i;
pci_unregister_driver(&qla1280_pci_driver);
/* release any allocated firmware images */
for (i = 0 ; i < QL_NUM_FW_IMAGES; i++) {
release_firmware(qla1280_fw_tbl[i].fw);
qla1280_fw_tbl[i].fw = NULL;
}
}
module_init(qla1280_init);
module_exit(qla1280_exit);
MODULE_AUTHOR("Qlogic & Jes Sorensen" );
MODULE_DESCRIPTION("Qlogic ISP SCSI (qla1x80/qla1x160) driver" );
MODULE_LICENSE("GPL" );
MODULE_FIRMWARE("qlogic/1040.bin" );
MODULE_FIRMWARE("qlogic/1280.bin" );
MODULE_FIRMWARE("qlogic/12160.bin" );
MODULE_VERSION(QLA1280_VERSION);
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