root/drivers/net/ethernet/alacritech/slic.h
/* 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              0x40000000
#define SLIC_VGBSTAT_XERRSHFT           25
#define SLIC_VGBSTAT_XCSERR             0x23
#define SLIC_VGBSTAT_XUFLOW             0x22
#define SLIC_VGBSTAT_XHLEN              0x20
#define SLIC_VGBSTAT_NETERR             0x01000000
#define SLIC_VGBSTAT_NERRSHFT           16
#define SLIC_VGBSTAT_NERRMSK            0x1ff
#define SLIC_VGBSTAT_NCSERR             0x103
#define SLIC_VGBSTAT_NUFLOW             0x102
#define SLIC_VGBSTAT_NHLEN              0x100
#define SLIC_VGBSTAT_LNKERR             0x00000080
#define SLIC_VGBSTAT_LERRMSK            0xff
#define SLIC_VGBSTAT_LDEARLY            0x86
#define SLIC_VGBSTAT_LBOFLO             0x85
#define SLIC_VGBSTAT_LCODERR            0x84
#define SLIC_VGBSTAT_LDBLNBL            0x83
#define SLIC_VGBSTAT_LCRCERR            0x82
#define SLIC_VGBSTAT_LOFLO              0x81
#define SLIC_VGBSTAT_LUFLO              0x80

#define SLIC_IRHDDR_FLEN_MSK            0x0000ffff
#define SLIC_IRHDDR_SVALID              0x80000000
#define SLIC_IRHDDR_ERR                 0x10000000

#define SLIC_VRHSTAT_802OE              0x80000000
#define SLIC_VRHSTAT_TPOFLO             0x10000000
#define SLIC_VRHSTATB_802UE             0x80000000
#define SLIC_VRHSTATB_RCVE              0x40000000
#define SLIC_VRHSTATB_BUFF              0x20000000
#define SLIC_VRHSTATB_CARRE             0x08000000
#define SLIC_VRHSTATB_LONGE             0x02000000
#define SLIC_VRHSTATB_PREA              0x01000000
#define SLIC_VRHSTATB_CRC               0x00800000
#define SLIC_VRHSTATB_DRBL              0x00400000
#define SLIC_VRHSTATB_CODE              0x00200000
#define SLIC_VRHSTATB_TPCSUM            0x00100000
#define SLIC_VRHSTATB_TPHLEN            0x00080000
#define SLIC_VRHSTATB_IPCSUM            0x00040000
#define SLIC_VRHSTATB_IPLERR            0x00020000
#define SLIC_VRHSTATB_IPHERR            0x00010000

#define SLIC_CMD_XMT_REQ                0x01
#define SLIC_CMD_TYPE_DUMB              3

#define SLIC_RESET_MAGIC                0xDEAD
#define SLIC_ICR_INT_OFF                0
#define SLIC_ICR_INT_ON                 1
#define SLIC_ICR_INT_MASK               2

#define SLIC_ISR_ERR                    0x80000000
#define SLIC_ISR_RCV                    0x40000000
#define SLIC_ISR_CMD                    0x20000000
#define SLIC_ISR_IO                     0x60000000
#define SLIC_ISR_UPC                    0x10000000
#define SLIC_ISR_LEVENT                 0x08000000
#define SLIC_ISR_RMISS                  0x02000000
#define SLIC_ISR_UPCERR                 0x01000000
#define SLIC_ISR_XDROP                  0x00800000
#define SLIC_ISR_UPCBSY                 0x00020000

#define SLIC_ISR_PING_MASK              0x00700000
#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                  0x80000000
#define SLIC_WCS_COMPARE                0x40000000
#define SLIC_RCVWCS_BEGIN               0x40000000
#define SLIC_RCVWCS_FINISH              0x80000000

#define SLIC_MIICR_REG_16               0x00100000
#define SLIC_MRV_REG16_XOVERON          0x0068

#define SLIC_GIG_LINKUP                 0x0001
#define SLIC_GIG_FULLDUPLEX             0x0002
#define SLIC_GIG_SPEED_MASK             0x000C
#define SLIC_GIG_SPEED_1000             0x0008
#define SLIC_GIG_SPEED_100              0x0004
#define SLIC_GIG_SPEED_10               0x0000

#define SLIC_GMCR_RESET                 0x80000000
#define SLIC_GMCR_GBIT                  0x20000000
#define SLIC_GMCR_FULLD                 0x10000000
#define SLIC_GMCR_GAPBB_SHIFT           14
#define SLIC_GMCR_GAPR1_SHIFT           7
#define SLIC_GMCR_GAPR2_SHIFT           0
#define SLIC_GMCR_GAPBB_1000            0x60
#define SLIC_GMCR_GAPR1_1000            0x2C
#define SLIC_GMCR_GAPR2_1000            0x40
#define SLIC_GMCR_GAPBB_100             0x70
#define SLIC_GMCR_GAPR1_100             0x2C
#define SLIC_GMCR_GAPR2_100             0x40

#define SLIC_XCR_RESET                  0x80000000
#define SLIC_XCR_XMTEN                  0x40000000
#define SLIC_XCR_PAUSEEN                0x20000000
#define SLIC_XCR_LOADRNG                0x10000000

#define SLIC_GXCR_RESET                 0x80000000
#define SLIC_GXCR_XMTEN                 0x40000000
#define SLIC_GXCR_PAUSEEN               0x20000000

#define SLIC_GRCR_RESET                 0x80000000
#define SLIC_GRCR_RCVEN                 0x40000000
#define SLIC_GRCR_RCVALL                0x20000000
#define SLIC_GRCR_RCVBAD                0x10000000
#define SLIC_GRCR_CTLEN                 0x08000000
#define SLIC_GRCR_ADDRAEN               0x02000000
#define SLIC_GRCR_HASHSIZE_SHIFT        17
#define SLIC_GRCR_HASHSIZE              14

/* Reset Register */
#define SLIC_REG_RESET                  0x0000
/* Interrupt Control Register */
#define SLIC_REG_ICR                    0x0008
/* Interrupt status pointer */
#define SLIC_REG_ISP                    0x0010
/* Interrupt status */
#define SLIC_REG_ISR                    0x0018
/* 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                   0x0020
/* Data buffer handle & address reg
 * 4 sets of registers; Buffers are 2K bytes long 2 per 4K page.
 */
#define SLIC_REG_DBAR                   0x0028
/* 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                   0x0030
/* Write control store */
#define SLIC_REG_WCS                    0x0034
/*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                   0x0038
/* Read statistics (UPR) */
#define SLIC_REG_RSTAT                  0x0040
/* Read link status */
#define SLIC_REG_LSTAT                  0x0048
/* Write Mac Config */
#define SLIC_REG_WMCFG                  0x0050
/* Write phy register */
#define SLIC_REG_WPHY                   0x0058
/* Rcv Cmd buf addr reg */
#define SLIC_REG_RCBAR                  0x0060
/* Read SLIC Config*/
#define SLIC_REG_RCONFIG                0x0068
/* Interrupt aggregation time */
#define SLIC_REG_INTAGG                 0x0070
/* Write XMIT config reg */
#define SLIC_REG_WXCFG                  0x0078
/* Write RCV config reg */
#define SLIC_REG_WRCFG                  0x0080
/* Write rcv addr a low */
#define SLIC_REG_WRADDRAL               0x0088
/* Write rcv addr a high */
#define SLIC_REG_WRADDRAH               0x0090
/* Write rcv addr b low */
#define SLIC_REG_WRADDRBL               0x0098
/* Write rcv addr b high */
#define SLIC_REG_WRADDRBH               0x00a0
/* Low bits of mcast mask */
#define SLIC_REG_MCASTLOW               0x00a8
/* High bits of mcast mask */
#define SLIC_REG_MCASTHIGH              0x00b0
/* Ping the card */
#define SLIC_REG_PING                   0x00b8
/* Dump command */
#define SLIC_REG_DUMP_CMD               0x00c0
/* Dump data pointer */
#define SLIC_REG_DUMP_DATA              0x00c8
/* Read card's pci_status register */
#define SLIC_REG_PCISTATUS              0x00d0
/* Write hostid field */
#define SLIC_REG_WRHOSTID               0x00d8
/* Put card in a low power state */
#define SLIC_REG_LOW_POWER              0x00e0
/* Force slic into quiescent state  before soft reset */
#define SLIC_REG_QUIESCE                0x00e8
/* Reset interface queues */
#define SLIC_REG_RESET_IFACE            0x00f0
/* Register is only written when it has changed.
 * Bits 63-32 for host i/f addrs.
 */
#define SLIC_REG_ADDR_UPPER             0x00f8
/* 64 bit Header buffer address reg */
#define SLIC_REG_HBAR64                 0x0100
/* 64 bit Data buffer handle & address reg */
#define SLIC_REG_DBAR64                 0x0108
/* 64 bit Xmt Cmd buf addr regs. */
#define SLIC_REG_CBAR64                 0x0110
/* 64 bit Response buffer address reg.*/
#define SLIC_REG_RBAR64                 0x0118
/* 64 bit Rcv Cmd buf addr reg*/
#define SLIC_REG_RCBAR64                0x0120
/* Read statistics (64 bit UPR) */
#define SLIC_REG_RSTAT64                0x0128
/* Download Gigabit RCV sequencer ucode */
#define SLIC_REG_RCV_WCS                0x0130
/* Write VlanId field */
#define SLIC_REG_WRVLANID               0x0138
/* Read Transformer info */
#define SLIC_REG_READ_XF_INFO           0x0140
/* Write Transformer info */
#define SLIC_REG_WRITE_XF_INFO          0x0148
/* Write card ticks per second */
#define SLIC_REG_TICKS_PER_SEC          0x0170
#define SLIC_REG_HOSTID                 0x1554

#define PCI_VENDOR_ID_ALACRITECH                0x139A
#define PCI_DEVICE_ID_ALACRITECH_MOJAVE         0x0005
#define PCI_SUBDEVICE_ID_ALACRITECH_1000X1      0x0005
#define PCI_SUBDEVICE_ID_ALACRITECH_1000X1_2    0x0006
#define PCI_SUBDEVICE_ID_ALACRITECH_1000X1F     0x0007
#define PCI_SUBDEVICE_ID_ALACRITECH_CICADA      0x0008
#define PCI_SUBDEVICE_ID_ALACRITECH_SES1001T    0x2006
#define PCI_SUBDEVICE_ID_ALACRITECH_SES1001F    0x2007
#define PCI_DEVICE_ID_ALACRITECH_OASIS          0x0007
#define PCI_SUBDEVICE_ID_ALACRITECH_SEN2002XT   0x000B
#define PCI_SUBDEVICE_ID_ALACRITECH_SEN2002XF   0x000C
#define PCI_SUBDEVICE_ID_ALACRITECH_SEN2001XT   0x000D
#define PCI_SUBDEVICE_ID_ALACRITECH_SEN2001XF   0x000E
#define PCI_SUBDEVICE_ID_ALACRITECH_SEN2104EF   0x000F
#define PCI_SUBDEVICE_ID_ALACRITECH_SEN2104ET   0x0010
#define PCI_SUBDEVICE_ID_ALACRITECH_SEN2102EF   0x0011
#define PCI_SUBDEVICE_ID_ALACRITECH_SEN2102ET   0x0012

/* 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      0xffffffff

#define SLIC_UPR_LSTAT                  0
#define SLIC_UPR_CONFIG                 1

#define SLIC_EEPROM_SIZE                128
#define SLIC_EEPROM_MAGIC               0xa5a5

#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);   \
        u64_stats_inc(&(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 = u64_stats_read(&(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_stats_t rx_packets;
        u64_stats_t rx_bytes;
        u64_stats_t rx_mcasts;
        u64_stats_t rx_errors;
        u64_stats_t tx_packets;
        u64_stats_t tx_bytes;
        /* HW STATS */
        u64_stats_t rx_buff_miss;
        u64_stats_t tx_dropped;
        u64_stats_t irq_errs;
        /* transport layer */
        u64_stats_t rx_tpcsum;
        u64_stats_t rx_tpoflow;
        u64_stats_t rx_tphlen;
        /* ip layer */
        u64_stats_t rx_ipcsum;
        u64_stats_t rx_iplen;
        u64_stats_t rx_iphlen;
        /* link layer */
        u64_stats_t rx_early;
        u64_stats_t rx_buffoflow;
        u64_stats_t rx_lcode;
        u64_stats_t rx_drbl;
        u64_stats_t rx_crc;
        u64_stats_t rx_oflow802;
        u64_stats_t rx_uflow802;
        /* oasis only */
        u64_stats_t 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 */