/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _SLIC_H
#define _SLIC_H
#include <linux/types.h>
#include <linux/netdevice.h>
#include <linux/spinlock_types.h>
#include <linux/dma-mapping.h>
#include <linux/pci.h>
#include <linux/list.h>
#include <linux/u64_stats_sync.h>
#define SLIC_VGBSTAT_XPERR 0 x40000000
#define SLIC_VGBSTAT_XERRSHFT 25
#define SLIC_VGBSTAT_XCSERR 0 x23
#define SLIC_VGBSTAT_XUFLOW 0 x22
#define SLIC_VGBSTAT_XHLEN 0 x20
#define SLIC_VGBSTAT_NETERR 0 x01000000
#define SLIC_VGBSTAT_NERRSHFT 16
#define SLIC_VGBSTAT_NERRMSK 0 x1ff
#define SLIC_VGBSTAT_NCSERR 0 x103
#define SLIC_VGBSTAT_NUFLOW 0 x102
#define SLIC_VGBSTAT_NHLEN 0 x100
#define SLIC_VGBSTAT_LNKERR 0 x00000080
#define SLIC_VGBSTAT_LERRMSK 0 xff
#define SLIC_VGBSTAT_LDEARLY 0 x86
#define SLIC_VGBSTAT_LBOFLO 0 x85
#define SLIC_VGBSTAT_LCODERR 0 x84
#define SLIC_VGBSTAT_LDBLNBL 0 x83
#define SLIC_VGBSTAT_LCRCERR 0 x82
#define SLIC_VGBSTAT_LOFLO 0 x81
#define SLIC_VGBSTAT_LUFLO 0 x80
#define SLIC_IRHDDR_FLEN_MSK 0 x0000ffff
#define SLIC_IRHDDR_SVALID 0 x80000000
#define SLIC_IRHDDR_ERR 0 x10000000
#define SLIC_VRHSTAT_802OE 0 x80000000
#define SLIC_VRHSTAT_TPOFLO 0 x10000000
#define SLIC_VRHSTATB_802UE 0 x80000000
#define SLIC_VRHSTATB_RCVE 0 x40000000
#define SLIC_VRHSTATB_BUFF 0 x20000000
#define SLIC_VRHSTATB_CARRE 0 x08000000
#define SLIC_VRHSTATB_LONGE 0 x02000000
#define SLIC_VRHSTATB_PREA 0 x01000000
#define SLIC_VRHSTATB_CRC 0 x00800000
#define SLIC_VRHSTATB_DRBL 0 x00400000
#define SLIC_VRHSTATB_CODE 0 x00200000
#define SLIC_VRHSTATB_TPCSUM 0 x00100000
#define SLIC_VRHSTATB_TPHLEN 0 x00080000
#define SLIC_VRHSTATB_IPCSUM 0 x00040000
#define SLIC_VRHSTATB_IPLERR 0 x00020000
#define SLIC_VRHSTATB_IPHERR 0 x00010000
#define SLIC_CMD_XMT_REQ 0 x01
#define SLIC_CMD_TYPE_DUMB 3
#define SLIC_RESET_MAGIC 0 xDEAD
#define SLIC_ICR_INT_OFF 0
#define SLIC_ICR_INT_ON 1
#define SLIC_ICR_INT_MASK 2
#define SLIC_ISR_ERR 0 x80000000
#define SLIC_ISR_RCV 0 x40000000
#define SLIC_ISR_CMD 0 x20000000
#define SLIC_ISR_IO 0 x60000000
#define SLIC_ISR_UPC 0 x10000000
#define SLIC_ISR_LEVENT 0 x08000000
#define SLIC_ISR_RMISS 0 x02000000
#define SLIC_ISR_UPCERR 0 x01000000
#define SLIC_ISR_XDROP 0 x00800000
#define SLIC_ISR_UPCBSY 0 x00020000
#define SLIC_ISR_PING_MASK 0 x00700000
#define SLIC_ISR_UPCERR_MASK (SLIC_ISR_UPCERR | SLIC_ISR_UPCBSY)
#define SLIC_ISR_UPC_MASK (SLIC_ISR_UPC | SLIC_ISR_UPCERR_MASK)
#define SLIC_WCS_START 0 x80000000
#define SLIC_WCS_COMPARE 0 x40000000
#define SLIC_RCVWCS_BEGIN 0 x40000000
#define SLIC_RCVWCS_FINISH 0 x80000000
#define SLIC_MIICR_REG_16 0 x00100000
#define SLIC_MRV_REG16_XOVERON 0 x0068
#define SLIC_GIG_LINKUP 0 x0001
#define SLIC_GIG_FULLDUPLEX 0 x0002
#define SLIC_GIG_SPEED_MASK 0 x000C
#define SLIC_GIG_SPEED_1000 0 x0008
#define SLIC_GIG_SPEED_100 0 x0004
#define SLIC_GIG_SPEED_10 0 x0000
#define SLIC_GMCR_RESET 0 x80000000
#define SLIC_GMCR_GBIT 0 x20000000
#define SLIC_GMCR_FULLD 0 x10000000
#define SLIC_GMCR_GAPBB_SHIFT 14
#define SLIC_GMCR_GAPR1_SHIFT 7
#define SLIC_GMCR_GAPR2_SHIFT 0
#define SLIC_GMCR_GAPBB_1000 0 x60
#define SLIC_GMCR_GAPR1_1000 0 x2C
#define SLIC_GMCR_GAPR2_1000 0 x40
#define SLIC_GMCR_GAPBB_100 0 x70
#define SLIC_GMCR_GAPR1_100 0 x2C
#define SLIC_GMCR_GAPR2_100 0 x40
#define SLIC_XCR_RESET 0 x80000000
#define SLIC_XCR_XMTEN 0 x40000000
#define SLIC_XCR_PAUSEEN 0 x20000000
#define SLIC_XCR_LOADRNG 0 x10000000
#define SLIC_GXCR_RESET 0 x80000000
#define SLIC_GXCR_XMTEN 0 x40000000
#define SLIC_GXCR_PAUSEEN 0 x20000000
#define SLIC_GRCR_RESET 0 x80000000
#define SLIC_GRCR_RCVEN 0 x40000000
#define SLIC_GRCR_RCVALL 0 x20000000
#define SLIC_GRCR_RCVBAD 0 x10000000
#define SLIC_GRCR_CTLEN 0 x08000000
#define SLIC_GRCR_ADDRAEN 0 x02000000
#define SLIC_GRCR_HASHSIZE_SHIFT 17
#define SLIC_GRCR_HASHSIZE 14
/* Reset Register */
#define SLIC_REG_RESET 0 x0000
/* Interrupt Control Register */
#define SLIC_REG_ICR 0 x0008
/* Interrupt status pointer */
#define SLIC_REG_ISP 0 x0010
/* Interrupt status */
#define SLIC_REG_ISR 0 x0018
/* Header buffer address reg
* 31-8 - phy addr of set of contiguous hdr buffers
* 7-0 - number of buffers passed
* Buffers are 256 bytes long on 256-byte boundaries.
*/
#define SLIC_REG_HBAR 0 x0020
/* Data buffer handle & address reg
* 4 sets of registers; Buffers are 2K bytes long 2 per 4K page.
*/
#define SLIC_REG_DBAR 0 x0028
/* Xmt Cmd buf addr regs.
* 1 per XMT interface
* 31-5 - phy addr of host command buffer
* 4-0 - length of cmd in multiples of 32 bytes
* Buffers are 32 bytes up to 512 bytes long
*/
#define SLIC_REG_CBAR 0 x0030
/* Write control store */
#define SLIC_REG_WCS 0 x0034
/*Response buffer address reg.
* 31-8 - phy addr of set of contiguous response buffers
* 7-0 - number of buffers passed
* Buffers are 32 bytes long on 32-byte boundaries.
*/
#define SLIC_REG_RBAR 0 x0038
/* Read statistics (UPR) */
#define SLIC_REG_RSTAT 0 x0040
/* Read link status */
#define SLIC_REG_LSTAT 0 x0048
/* Write Mac Config */
#define SLIC_REG_WMCFG 0 x0050
/* Write phy register */
#define SLIC_REG_WPHY 0 x0058
/* Rcv Cmd buf addr reg */
#define SLIC_REG_RCBAR 0 x0060
/* Read SLIC Config*/
#define SLIC_REG_RCONFIG 0 x0068
/* Interrupt aggregation time */
#define SLIC_REG_INTAGG 0 x0070
/* Write XMIT config reg */
#define SLIC_REG_WXCFG 0 x0078
/* Write RCV config reg */
#define SLIC_REG_WRCFG 0 x0080
/* Write rcv addr a low */
#define SLIC_REG_WRADDRAL 0 x0088
/* Write rcv addr a high */
#define SLIC_REG_WRADDRAH 0 x0090
/* Write rcv addr b low */
#define SLIC_REG_WRADDRBL 0 x0098
/* Write rcv addr b high */
#define SLIC_REG_WRADDRBH 0 x00a0
/* Low bits of mcast mask */
#define SLIC_REG_MCASTLOW 0 x00a8
/* High bits of mcast mask */
#define SLIC_REG_MCASTHIGH 0 x00b0
/* Ping the card */
#define SLIC_REG_PING 0 x00b8
/* Dump command */
#define SLIC_REG_DUMP_CMD 0 x00c0
/* Dump data pointer */
#define SLIC_REG_DUMP_DATA 0 x00c8
/* Read card's pci_status register */
#define SLIC_REG_PCISTATUS 0 x00d0
/* Write hostid field */
#define SLIC_REG_WRHOSTID 0 x00d8
/* Put card in a low power state */
#define SLIC_REG_LOW_POWER 0 x00e0
/* Force slic into quiescent state before soft reset */
#define SLIC_REG_QUIESCE 0 x00e8
/* Reset interface queues */
#define SLIC_REG_RESET_IFACE 0 x00f0
/* Register is only written when it has changed.
* Bits 63-32 for host i/f addrs.
*/
#define SLIC_REG_ADDR_UPPER 0 x00f8
/* 64 bit Header buffer address reg */
#define SLIC_REG_HBAR64 0 x0100
/* 64 bit Data buffer handle & address reg */
#define SLIC_REG_DBAR64 0 x0108
/* 64 bit Xmt Cmd buf addr regs. */
#define SLIC_REG_CBAR64 0 x0110
/* 64 bit Response buffer address reg.*/
#define SLIC_REG_RBAR64 0 x0118
/* 64 bit Rcv Cmd buf addr reg*/
#define SLIC_REG_RCBAR64 0 x0120
/* Read statistics (64 bit UPR) */
#define SLIC_REG_RSTAT64 0 x0128
/* Download Gigabit RCV sequencer ucode */
#define SLIC_REG_RCV_WCS 0 x0130
/* Write VlanId field */
#define SLIC_REG_WRVLANID 0 x0138
/* Read Transformer info */
#define SLIC_REG_READ_XF_INFO 0 x0140
/* Write Transformer info */
#define SLIC_REG_WRITE_XF_INFO 0 x0148
/* Write card ticks per second */
#define SLIC_REG_TICKS_PER_SEC 0 x0170
#define SLIC_REG_HOSTID 0 x1554
#define PCI_VENDOR_ID_ALACRITECH 0 x139A
#define PCI_DEVICE_ID_ALACRITECH_MOJAVE 0 x0005
#define PCI_SUBDEVICE_ID_ALACRITECH_1000X1 0 x0005
#define PCI_SUBDEVICE_ID_ALACRITECH_1000X1_2 0 x0006
#define PCI_SUBDEVICE_ID_ALACRITECH_1000X1F 0 x0007
#define PCI_SUBDEVICE_ID_ALACRITECH_CICADA 0 x0008
#define PCI_SUBDEVICE_ID_ALACRITECH_SES1001T 0 x2006
#define PCI_SUBDEVICE_ID_ALACRITECH_SES1001F 0 x2007
#define PCI_DEVICE_ID_ALACRITECH_OASIS 0 x0007
#define PCI_SUBDEVICE_ID_ALACRITECH_SEN2002XT 0 x000B
#define PCI_SUBDEVICE_ID_ALACRITECH_SEN2002XF 0 x000C
#define PCI_SUBDEVICE_ID_ALACRITECH_SEN2001XT 0 x000D
#define PCI_SUBDEVICE_ID_ALACRITECH_SEN2001XF 0 x000E
#define PCI_SUBDEVICE_ID_ALACRITECH_SEN2104EF 0 x000F
#define PCI_SUBDEVICE_ID_ALACRITECH_SEN2104ET 0 x0010
#define PCI_SUBDEVICE_ID_ALACRITECH_SEN2102EF 0 x0011
#define PCI_SUBDEVICE_ID_ALACRITECH_SEN2102ET 0 x0012
/* Note: power of two required for number descriptors */
#define SLIC_NUM_RX_LES 256
#define SLIC_RX_BUFF_SIZE 2048
#define SLIC_RX_BUFF_ALIGN 256
#define SLIC_RX_BUFF_HDR_SIZE 34
#define SLIC_MAX_REQ_RX_DESCS 1
#define SLIC_NUM_TX_DESCS 256
#define SLIC_TX_DESC_ALIGN 32
#define SLIC_MIN_TX_WAKEUP_DESCS 10
#define SLIC_MAX_REQ_TX_DESCS 1
#define SLIC_MAX_TX_COMPLETIONS 100
#define SLIC_NUM_STAT_DESCS 128
#define SLIC_STATS_DESC_ALIGN 256
#define SLIC_NUM_STAT_DESC_ARRAYS 4
#define SLIC_INVALID_STAT_DESC_IDX 0 xffffffff
#define SLIC_UPR_LSTAT 0
#define SLIC_UPR_CONFIG 1
#define SLIC_EEPROM_SIZE 128
#define SLIC_EEPROM_MAGIC 0 xa5a5
#define SLIC_FIRMWARE_MOJAVE "slicoss/gbdownload.sys"
#define SLIC_FIRMWARE_OASIS "slicoss/oasisdownload.sys"
#define SLIC_RCV_FIRMWARE_MOJAVE "slicoss/gbrcvucode.sys"
#define SLIC_RCV_FIRMWARE_OASIS "slicoss/oasisrcvucode.sys"
#define SLIC_FIRMWARE_MIN_SIZE 64
#define SLIC_FIRMWARE_MAX_SECTIONS 3
#define SLIC_MODEL_MOJAVE 0
#define SLIC_MODEL_OASIS 1
#define SLIC_INC_STATS_COUNTER(st, counter) \
do { \
u64_stats_update_begin(&(st)->syncp); \
(st)->counter++; \
u64_stats_update_end(&(st)->syncp); \
} while (0 )
#define SLIC_GET_STATS_COUNTER(newst, st, counter) \
{ \
unsigned int start; \
do { \
start = u64_stats_fetch_begin(&(st)->syncp); \
newst = (st)->counter; \
} while (u64_stats_fetch_retry(&(st)->syncp, start)); \
}
struct slic_upr {
dma_addr_t paddr;
unsigned int type;
struct list_head list;
};
struct slic_upr_list {
bool pending;
struct list_head list;
/* upr list lock */
spinlock_t lock;
};
/* SLIC EEPROM structure for Mojave */
struct slic_mojave_eeprom {
__le16 id; /* 00 EEPROM/FLASH Magic code 'A5A5'*/
__le16 eeprom_code_size;/* 01 Size of EEPROM Codes (bytes * 4)*/
__le16 flash_size; /* 02 Flash size */
__le16 eeprom_size; /* 03 EEPROM Size */
__le16 vendor_id; /* 04 Vendor ID */
__le16 dev_id; /* 05 Device ID */
u8 rev_id; /* 06 Revision ID */
u8 class_code[3 ]; /* 07 Class Code */
u8 irqpin_dbg; /* 08 Debug Interrupt pin */
u8 irqpin; /* Network Interrupt Pin */
u8 min_grant; /* 09 Minimum grant */
u8 max_lat; /* Maximum Latency */
__le16 pci_stat; /* 10 PCI Status */
__le16 sub_vendor_id; /* 11 Subsystem Vendor Id */
__le16 sub_id; /* 12 Subsystem ID */
__le16 dev_id_dbg; /* 13 Debug Device Id */
__le16 ramrom; /* 14 Dram/Rom function */
__le16 dram_size2pci; /* 15 DRAM size to PCI (bytes * 64K) */
__le16 rom_size2pci; /* 16 ROM extension size to PCI (bytes * 4k) */
u8 pad[2 ]; /* 17 Padding */
u8 freetime; /* 18 FreeTime setting */
u8 ifctrl; /* 10-bit interface control (Mojave only) */
__le16 dram_size; /* 19 DRAM size (bytes * 64k) */
u8 mac[ETH_ALEN]; /* 20 MAC addresses */
u8 mac2[ETH_ALEN];
u8 pad2[6 ];
u16 dev_id2; /* Device ID for 2nd PCI function */
u8 irqpin2; /* Interrupt pin for 2nd PCI function */
u8 class_code2[3 ]; /* Class Code for 2nd PCI function */
u16 cfg_byte6; /* Config Byte 6 */
u16 pme_cap; /* Power Mgment capabilities */
u16 nwclk_ctrl; /* NetworkClockControls */
u8 fru_format; /* Alacritech FRU format type */
u8 fru_assembly[6 ]; /* Alacritech FRU information */
u8 fru_rev[2 ];
u8 fru_serial[14 ];
u8 fru_pad[3 ];
u8 oem_fru[28 ]; /* optional OEM FRU format type */
u8 pad3[4 ]; /* Pad to 128 bytes - includes 2 cksum bytes
* (if OEM FRU info exists) and two unusable
* bytes at the end
*/
};
/* SLIC EEPROM structure for Oasis */
struct slic_oasis_eeprom {
__le16 id; /* 00 EEPROM/FLASH Magic code 'A5A5' */
__le16 eeprom_code_size;/* 01 Size of EEPROM Codes (bytes * 4)*/
__le16 spidev0_cfg; /* 02 Flash Config for SPI device 0 */
__le16 spidev1_cfg; /* 03 Flash Config for SPI device 1 */
__le16 vendor_id; /* 04 Vendor ID */
__le16 dev_id; /* 05 Device ID (function 0) */
u8 rev_id; /* 06 Revision ID */
u8 class_code0[3 ]; /* 07 Class Code for PCI function 0 */
u8 irqpin1; /* 08 Interrupt pin for PCI function 1*/
u8 class_code1[3 ]; /* 09 Class Code for PCI function 1 */
u8 irqpin2; /* 10 Interrupt pin for PCI function 2*/
u8 irqpin0; /* Interrupt pin for PCI function 0*/
u8 min_grant; /* 11 Minimum grant */
u8 max_lat; /* Maximum Latency */
__le16 sub_vendor_id; /* 12 Subsystem Vendor Id */
__le16 sub_id; /* 13 Subsystem ID */
__le16 flash_size; /* 14 Flash size (bytes / 4K) */
__le16 dram_size2pci; /* 15 DRAM size to PCI (bytes / 64K) */
__le16 rom_size2pci; /* 16 Flash (ROM extension) size to PCI
* (bytes / 4K)
*/
__le16 dev_id1; /* 17 Device Id (function 1) */
__le16 dev_id2; /* 18 Device Id (function 2) */
__le16 dev_stat_cfg; /* 19 Device Status Config Bytes 6-7 */
__le16 pme_cap; /* 20 Power Mgment capabilities */
u8 msi_cap; /* 21 MSI capabilities */
u8 clock_div; /* Clock divider */
__le16 pci_stat_lo; /* 22 PCI Status bits 15:0 */
__le16 pci_stat_hi; /* 23 PCI Status bits 31:16 */
__le16 dram_cfg_lo; /* 24 DRAM Configuration bits 15:0 */
__le16 dram_cfg_hi; /* 25 DRAM Configuration bits 31:16 */
__le16 dram_size; /* 26 DRAM size (bytes / 64K) */
__le16 gpio_tbi_ctrl; /* 27 GPIO/TBI controls for functions 1/0 */
__le16 eeprom_size; /* 28 EEPROM Size */
u8 mac[ETH_ALEN]; /* 29 MAC addresses (2 ports) */
u8 mac2[ETH_ALEN];
u8 fru_format; /* 35 Alacritech FRU format type */
u8 fru_assembly[6 ]; /* Alacritech FRU information */
u8 fru_rev[2 ];
u8 fru_serial[14 ];
u8 fru_pad[3 ];
u8 oem_fru[28 ]; /* optional OEM FRU information */
u8 pad[4 ]; /* Pad to 128 bytes - includes 2 checksum bytes
* (if OEM FRU info exists) and two unusable
* bytes at the end
*/
};
struct slic_stats {
u64 rx_packets;
u64 rx_bytes;
u64 rx_mcasts;
u64 rx_errors;
u64 tx_packets;
u64 tx_bytes;
/* HW STATS */
u64 rx_buff_miss;
u64 tx_dropped;
u64 irq_errs;
/* transport layer */
u64 rx_tpcsum;
u64 rx_tpoflow;
u64 rx_tphlen;
/* ip layer */
u64 rx_ipcsum;
u64 rx_iplen;
u64 rx_iphlen;
/* link layer */
u64 rx_early;
u64 rx_buffoflow;
u64 rx_lcode;
u64 rx_drbl;
u64 rx_crc;
u64 rx_oflow802;
u64 rx_uflow802;
/* oasis only */
u64 tx_carrier;
struct u64_stats_sync syncp;
};
struct slic_shmem_data {
__le32 isr;
__le32 link;
};
struct slic_shmem {
dma_addr_t isr_paddr;
dma_addr_t link_paddr;
struct slic_shmem_data *shmem_data;
};
struct slic_rx_info_oasis {
__le32 frame_status;
__le32 frame_status_b;
__le32 time_stamp;
__le32 checksum;
};
struct slic_rx_info_mojave {
__le32 frame_status;
__le16 byte_cnt;
__le16 tp_chksum;
__le16 ctx_hash;
__le16 mac_hash;
__le16 buff_lnk;
};
struct slic_stat_desc {
__le32 hnd;
__u8 pad[8 ];
__le32 status;
__u8 pad2[16 ];
};
struct slic_stat_queue {
struct slic_stat_desc *descs[SLIC_NUM_STAT_DESC_ARRAYS];
dma_addr_t paddr[SLIC_NUM_STAT_DESC_ARRAYS];
unsigned int addr_offset[SLIC_NUM_STAT_DESC_ARRAYS];
unsigned int active_array;
unsigned int len;
unsigned int done_idx;
size_t mem_size;
};
struct slic_tx_desc {
__le32 hnd;
__le32 rsvd;
u8 cmd;
u8 flags;
__le16 rsvd2;
__le32 totlen;
__le32 paddrl;
__le32 paddrh;
__le32 len;
__le32 type;
};
struct slic_tx_buffer {
struct sk_buff *skb;
DEFINE_DMA_UNMAP_ADDR(map_addr);
DEFINE_DMA_UNMAP_LEN(map_len);
struct slic_tx_desc *desc;
dma_addr_t desc_paddr;
};
struct slic_tx_queue {
struct dma_pool *dma_pool;
struct slic_tx_buffer *txbuffs;
unsigned int len;
unsigned int put_idx;
unsigned int done_idx;
};
struct slic_rx_desc {
u8 pad[16 ];
__le32 buffer;
__le32 length;
__le32 status;
};
struct slic_rx_buffer {
struct sk_buff *skb;
DEFINE_DMA_UNMAP_ADDR(map_addr);
DEFINE_DMA_UNMAP_LEN(map_len);
unsigned int addr_offset;
};
struct slic_rx_queue {
struct slic_rx_buffer *rxbuffs;
unsigned int len;
unsigned int done_idx;
unsigned int put_idx;
};
struct slic_device {
struct pci_dev *pdev;
struct net_device *netdev;
void __iomem *regs;
/* upper address setting lock */
spinlock_t upper_lock;
struct slic_shmem shmem;
struct napi_struct napi;
struct slic_rx_queue rxq;
struct slic_tx_queue txq;
struct slic_stat_queue stq;
struct slic_stats stats;
struct slic_upr_list upr_list;
/* link configuration lock */
spinlock_t link_lock;
bool promisc;
int speed;
unsigned int duplex;
bool is_fiber;
unsigned char model;
};
static inline u32 slic_read(struct slic_device *sdev, unsigned int reg)
{
return ioread32(sdev->regs + reg);
}
static inline void slic_write(struct slic_device *sdev, unsigned int reg,
u32 val)
{
iowrite32(val, sdev->regs + reg);
}
static inline void slic_flush_write(struct slic_device *sdev)
{
(void )ioread32(sdev->regs + SLIC_REG_HOSTID);
}
#endif /* _SLIC_H */
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