#ifndef __ERDMA_HW_H__
#define __ERDMA_HW_H__
#include <linux/kernel.h>
#include <linux/types.h>
#define PCI_VENDOR_ID_ALIBABA 0x1ded
#define ERDMA_PCI_WIDTH 64
#define ERDMA_FUNC_BAR 0
#define ERDMA_MISX_BAR 2
#define ERDMA_BAR_MASK (BIT(ERDMA_FUNC_BAR) | BIT(ERDMA_MISX_BAR))
#define ERDMA_NUM_MSIX_VEC 32U
#define ERDMA_MSIX_VECTOR_CMDQ 0
#define ERDMA_REGS_VERSION_REG 0x0
#define ERDMA_REGS_DEV_CTRL_REG 0x10
#define ERDMA_REGS_DEV_ST_REG 0x14
#define ERDMA_REGS_NETDEV_MAC_L_REG 0x18
#define ERDMA_REGS_NETDEV_MAC_H_REG 0x1C
#define ERDMA_REGS_CMDQ_SQ_ADDR_L_REG 0x20
#define ERDMA_REGS_CMDQ_SQ_ADDR_H_REG 0x24
#define ERDMA_REGS_CMDQ_CQ_ADDR_L_REG 0x28
#define ERDMA_REGS_CMDQ_CQ_ADDR_H_REG 0x2C
#define ERDMA_REGS_CMDQ_DEPTH_REG 0x30
#define ERDMA_REGS_CMDQ_EQ_DEPTH_REG 0x34
#define ERDMA_REGS_CMDQ_EQ_ADDR_L_REG 0x38
#define ERDMA_REGS_CMDQ_EQ_ADDR_H_REG 0x3C
#define ERDMA_REGS_AEQ_ADDR_L_REG 0x40
#define ERDMA_REGS_AEQ_ADDR_H_REG 0x44
#define ERDMA_REGS_AEQ_DEPTH_REG 0x48
#define ERDMA_REGS_GRP_NUM_REG 0x4c
#define ERDMA_REGS_AEQ_DB_REG 0x50
#define ERDMA_CMDQ_SQ_DB_HOST_ADDR_REG 0x60
#define ERDMA_CMDQ_CQ_DB_HOST_ADDR_REG 0x68
#define ERDMA_CMDQ_EQ_DB_HOST_ADDR_REG 0x70
#define ERDMA_AEQ_DB_HOST_ADDR_REG 0x78
#define ERDMA_REGS_STATS_TSO_IN_PKTS_REG 0x80
#define ERDMA_REGS_STATS_TSO_OUT_PKTS_REG 0x88
#define ERDMA_REGS_STATS_TSO_OUT_BYTES_REG 0x90
#define ERDMA_REGS_STATS_TX_DROP_PKTS_REG 0x98
#define ERDMA_REGS_STATS_TX_BPS_METER_DROP_PKTS_REG 0xa0
#define ERDMA_REGS_STATS_TX_PPS_METER_DROP_PKTS_REG 0xa8
#define ERDMA_REGS_STATS_RX_PKTS_REG 0xc0
#define ERDMA_REGS_STATS_RX_BYTES_REG 0xc8
#define ERDMA_REGS_STATS_RX_DROP_PKTS_REG 0xd0
#define ERDMA_REGS_STATS_RX_BPS_METER_DROP_PKTS_REG 0xd8
#define ERDMA_REGS_STATS_RX_PPS_METER_DROP_PKTS_REG 0xe0
#define ERDMA_REGS_CEQ_DB_BASE_REG 0x100
#define ERDMA_CMDQ_SQDB_REG 0x200
#define ERDMA_CMDQ_CQDB_REG 0x300
#define ERDMA_REG_DEV_CTRL_RESET_MASK 0x00000001
#define ERDMA_REG_DEV_CTRL_INIT_MASK 0x00000002
#define ERDMA_REG_DEV_ST_RESET_DONE_MASK 0x00000001U
#define ERDMA_REG_DEV_ST_INIT_DONE_MASK 0x00000002U
#define ERDMA_BAR_DB_SPACE_BASE 4096
#define ERDMA_BAR_SQDB_SPACE_OFFSET ERDMA_BAR_DB_SPACE_BASE
#define ERDMA_BAR_SQDB_SPACE_SIZE (384 * 1024)
#define ERDMA_BAR_RQDB_SPACE_OFFSET \
(ERDMA_BAR_SQDB_SPACE_OFFSET + ERDMA_BAR_SQDB_SPACE_SIZE)
#define ERDMA_BAR_RQDB_SPACE_SIZE (96 * 1024)
#define ERDMA_BAR_CQDB_SPACE_OFFSET \
(ERDMA_BAR_RQDB_SPACE_OFFSET + ERDMA_BAR_RQDB_SPACE_SIZE)
#define ERDMA_SDB_SHARED_PAGE_INDEX 95
#define ERDMA_DB_SIZE 8
#define ERDMA_CQDB_IDX_MASK GENMASK_ULL(63, 56)
#define ERDMA_CQDB_CQN_MASK GENMASK_ULL(55, 32)
#define ERDMA_CQDB_ARM_MASK BIT_ULL(31)
#define ERDMA_CQDB_SOL_MASK BIT_ULL(30)
#define ERDMA_CQDB_CMDSN_MASK GENMASK_ULL(29, 28)
#define ERDMA_CQDB_CI_MASK GENMASK_ULL(23, 0)
#define ERDMA_EQDB_ARM_MASK BIT(31)
#define ERDMA_EQDB_CI_MASK GENMASK_ULL(23, 0)
#define ERDMA_PAGE_SIZE_SUPPORT 0x7FFFF000
#define ERDMA_HW_PAGE_SHIFT 12
#define ERDMA_HW_PAGE_SIZE 4096
#define EQE_SIZE 16
#define EQE_SHIFT 4
#define RQE_SIZE 32
#define RQE_SHIFT 5
#define CQE_SIZE 32
#define CQE_SHIFT 5
#define SQEBB_SIZE 32
#define SQEBB_SHIFT 5
#define SQEBB_MASK (~(SQEBB_SIZE - 1))
#define SQEBB_ALIGN(size) ((size + SQEBB_SIZE - 1) & SQEBB_MASK)
#define SQEBB_COUNT(size) (SQEBB_ALIGN(size) >> SQEBB_SHIFT)
#define ERDMA_MAX_SQE_SIZE 128
#define ERDMA_MAX_WQEBB_PER_SQE 4
#define ERDMA_CMDQ_MAX_OUTSTANDING 128
#define ERDMA_CMDQ_SQE_SIZE 128
enum CMDQ_WQE_SUB_MOD {
CMDQ_SUBMOD_RDMA = 0,
CMDQ_SUBMOD_COMMON = 1
};
enum CMDQ_RDMA_OPCODE {
CMDQ_OPCODE_QUERY_DEVICE = 0,
CMDQ_OPCODE_CREATE_QP = 1,
CMDQ_OPCODE_DESTROY_QP = 2,
CMDQ_OPCODE_MODIFY_QP = 3,
CMDQ_OPCODE_CREATE_CQ = 4,
CMDQ_OPCODE_DESTROY_CQ = 5,
CMDQ_OPCODE_REFLUSH = 6,
CMDQ_OPCODE_REG_MR = 8,
CMDQ_OPCODE_DEREG_MR = 9
};
enum CMDQ_COMMON_OPCODE {
CMDQ_OPCODE_CREATE_EQ = 0,
CMDQ_OPCODE_DESTROY_EQ = 1,
CMDQ_OPCODE_QUERY_FW_INFO = 2,
CMDQ_OPCODE_CONF_MTU = 3,
CMDQ_OPCODE_CONF_DEVICE = 5,
CMDQ_OPCODE_ALLOC_DB = 8,
CMDQ_OPCODE_FREE_DB = 9,
};
#define ERDMA_CMD_HDR_WQEBB_CNT_MASK GENMASK_ULL(54, 52)
#define ERDMA_CMD_HDR_CONTEXT_COOKIE_MASK GENMASK_ULL(47, 32)
#define ERDMA_CMD_HDR_SUB_MOD_MASK GENMASK_ULL(25, 24)
#define ERDMA_CMD_HDR_OPCODE_MASK GENMASK_ULL(23, 16)
#define ERDMA_CMD_HDR_WQEBB_INDEX_MASK GENMASK_ULL(15, 0)
struct erdma_cmdq_destroy_cq_req {
u64 hdr;
u32 cqn;
};
#define ERDMA_EQ_TYPE_AEQ 0
#define ERDMA_EQ_TYPE_CEQ 1
struct erdma_cmdq_create_eq_req {
u64 hdr;
u64 qbuf_addr;
u8 vector_idx;
u8 eqn;
u8 depth;
u8 qtype;
u32 db_dma_addr_l;
u32 db_dma_addr_h;
};
struct erdma_cmdq_destroy_eq_req {
u64 hdr;
u64 rsvd0;
u8 vector_idx;
u8 eqn;
u8 rsvd1;
u8 qtype;
};
#define ERDMA_CMD_CONFIG_DEVICE_PS_EN_MASK BIT(31)
#define ERDMA_CMD_CONFIG_DEVICE_PGSHIFT_MASK GENMASK(4, 0)
struct erdma_cmdq_config_device_req {
u64 hdr;
u32 cfg;
u32 rsvd[5];
};
struct erdma_cmdq_config_mtu_req {
u64 hdr;
u32 mtu;
};
#define ERDMA_CMD_EXT_DB_CQ_EN_MASK BIT(2)
#define ERDMA_CMD_EXT_DB_RQ_EN_MASK BIT(1)
#define ERDMA_CMD_EXT_DB_SQ_EN_MASK BIT(0)
struct erdma_cmdq_ext_db_req {
u64 hdr;
u32 cfg;
u16 rdb_off;
u16 sdb_off;
u16 rsvd0;
u16 cdb_off;
u32 rsvd1[3];
};
#define ERDMA_CMD_ALLOC_DB_RESP_RDB_MASK GENMASK_ULL(63, 48)
#define ERDMA_CMD_ALLOC_DB_RESP_CDB_MASK GENMASK_ULL(47, 32)
#define ERDMA_CMD_ALLOC_DB_RESP_SDB_MASK GENMASK_ULL(15, 0)
#define ERDMA_CMD_CREATE_CQ_DEPTH_MASK GENMASK(31, 24)
#define ERDMA_CMD_CREATE_CQ_PAGESIZE_MASK GENMASK(23, 20)
#define ERDMA_CMD_CREATE_CQ_CQN_MASK GENMASK(19, 0)
#define ERDMA_CMD_CREATE_CQ_MTT_CNT_MASK GENMASK(31, 16)
#define ERDMA_CMD_CREATE_CQ_MTT_LEVEL_MASK BIT(15)
#define ERDMA_CMD_CREATE_CQ_MTT_DB_CFG_MASK BIT(11)
#define ERDMA_CMD_CREATE_CQ_EQN_MASK GENMASK(9, 0)
#define ERDMA_CMD_CREATE_CQ_DB_CFG_MASK GENMASK(15, 0)
struct erdma_cmdq_create_cq_req {
u64 hdr;
u32 cfg0;
u32 qbuf_addr_l;
u32 qbuf_addr_h;
u32 cfg1;
u64 cq_db_info_addr;
u32 first_page_offset;
u32 cfg2;
};
#define ERDMA_CMD_MR_VALID_MASK BIT(31)
#define ERDMA_CMD_MR_VERSION_MASK GENMASK(30, 28)
#define ERDMA_CMD_MR_KEY_MASK GENMASK(27, 20)
#define ERDMA_CMD_MR_MPT_IDX_MASK GENMASK(19, 0)
#define ERDMA_CMD_REGMR_PD_MASK GENMASK(31, 12)
#define ERDMA_CMD_REGMR_TYPE_MASK GENMASK(7, 6)
#define ERDMA_CMD_REGMR_RIGHT_MASK GENMASK(5, 1)
#define ERDMA_CMD_REGMR_PAGESIZE_MASK GENMASK(31, 27)
#define ERDMA_CMD_REGMR_MTT_PAGESIZE_MASK GENMASK(26, 24)
#define ERDMA_CMD_REGMR_MTT_LEVEL_MASK GENMASK(21, 20)
#define ERDMA_CMD_REGMR_MTT_CNT_MASK GENMASK(19, 0)
struct erdma_cmdq_reg_mr_req {
u64 hdr;
u32 cfg0;
u32 cfg1;
u64 start_va;
u32 size;
u32 cfg2;
union {
u64 phy_addr[4];
struct {
u64 rsvd;
u32 size_h;
u32 mtt_cnt_h;
};
};
};
struct erdma_cmdq_dereg_mr_req {
u64 hdr;
u32 cfg;
};
#define ERDMA_CMD_MODIFY_QP_STATE_MASK GENMASK(31, 24)
#define ERDMA_CMD_MODIFY_QP_CC_MASK GENMASK(23, 20)
#define ERDMA_CMD_MODIFY_QP_QPN_MASK GENMASK(19, 0)
struct erdma_cmdq_modify_qp_req {
u64 hdr;
u32 cfg;
u32 cookie;
__be32 dip;
__be32 sip;
__be16 sport;
__be16 dport;
u32 send_nxt;
u32 recv_nxt;
};
#define ERDMA_CMD_CREATE_QP_SQ_DEPTH_MASK GENMASK(31, 20)
#define ERDMA_CMD_CREATE_QP_QPN_MASK GENMASK(19, 0)
#define ERDMA_CMD_CREATE_QP_RQ_DEPTH_MASK GENMASK(31, 20)
#define ERDMA_CMD_CREATE_QP_PD_MASK GENMASK(19, 0)
#define ERDMA_CMD_CREATE_QP_PAGE_SIZE_MASK GENMASK(31, 28)
#define ERDMA_CMD_CREATE_QP_DB_CFG_MASK BIT(25)
#define ERDMA_CMD_CREATE_QP_CQN_MASK GENMASK(23, 0)
#define ERDMA_CMD_CREATE_QP_PAGE_OFFSET_MASK GENMASK(31, 12)
#define ERDMA_CMD_CREATE_QP_MTT_CNT_MASK GENMASK(11, 1)
#define ERDMA_CMD_CREATE_QP_MTT_LEVEL_MASK BIT(0)
#define ERDMA_CMD_CREATE_QP_SQDB_CFG_MASK GENMASK(31, 16)
#define ERDMA_CMD_CREATE_QP_RQDB_CFG_MASK GENMASK(15, 0)
#define ERDMA_CMDQ_CREATE_QP_RESP_COOKIE_MASK GENMASK_ULL(31, 0)
struct erdma_cmdq_create_qp_req {
u64 hdr;
u32 cfg0;
u32 cfg1;
u32 sq_cqn_mtt_cfg;
u32 rq_cqn_mtt_cfg;
u64 sq_buf_addr;
u64 rq_buf_addr;
u32 sq_mtt_cfg;
u32 rq_mtt_cfg;
u64 sq_db_info_dma_addr;
u64 rq_db_info_dma_addr;
u64 sq_mtt_entry[3];
u64 rq_mtt_entry[3];
u32 db_cfg;
};
struct erdma_cmdq_destroy_qp_req {
u64 hdr;
u32 qpn;
};
struct erdma_cmdq_reflush_req {
u64 hdr;
u32 qpn;
u32 sq_pi;
u32 rq_pi;
};
#define ERDMA_CMD_DEV_CAP_MAX_CQE_MASK GENMASK_ULL(47, 40)
#define ERDMA_CMD_DEV_CAP_FLAGS_MASK GENMASK_ULL(31, 24)
#define ERDMA_CMD_DEV_CAP_MAX_RECV_WR_MASK GENMASK_ULL(23, 16)
#define ERDMA_CMD_DEV_CAP_MAX_MR_SIZE_MASK GENMASK_ULL(7, 0)
#define ERDMA_CMD_DEV_CAP_DMA_LOCAL_KEY_MASK GENMASK_ULL(63, 32)
#define ERDMA_CMD_DEV_CAP_DEFAULT_CC_MASK GENMASK_ULL(31, 28)
#define ERDMA_CMD_DEV_CAP_QBLOCK_MASK GENMASK_ULL(27, 16)
#define ERDMA_CMD_DEV_CAP_MAX_MW_MASK GENMASK_ULL(7, 0)
#define ERDMA_NQP_PER_QBLOCK 1024
enum {
ERDMA_DEV_CAP_FLAGS_ATOMIC = 1 << 7,
ERDMA_DEV_CAP_FLAGS_MTT_VA = 1 << 5,
ERDMA_DEV_CAP_FLAGS_EXTEND_DB = 1 << 3,
};
#define ERDMA_CMD_INFO0_FW_VER_MASK GENMASK_ULL(31, 0)
#define ERDMA_CQE_HDR_OWNER_MASK BIT(31)
#define ERDMA_CQE_HDR_OPCODE_MASK GENMASK(23, 16)
#define ERDMA_CQE_HDR_QTYPE_MASK GENMASK(15, 8)
#define ERDMA_CQE_HDR_SYNDROME_MASK GENMASK(7, 0)
#define ERDMA_CQE_QTYPE_SQ 0
#define ERDMA_CQE_QTYPE_RQ 1
#define ERDMA_CQE_QTYPE_CMDQ 2
struct erdma_cqe {
__be32 hdr;
__be32 qe_idx;
__be32 qpn;
union {
__le32 imm_data;
__be32 inv_rkey;
};
__be32 size;
__be32 rsvd[3];
};
struct erdma_sge {
__aligned_le64 addr;
__le32 length;
__le32 key;
};
struct erdma_rqe {
__le16 qe_idx;
__le16 rsvd0;
__le32 qpn;
__le32 rsvd1;
__le32 rsvd2;
__le64 to;
__le32 length;
__le32 stag;
};
#define ERDMA_SQE_HDR_SGL_LEN_MASK GENMASK_ULL(63, 56)
#define ERDMA_SQE_HDR_WQEBB_CNT_MASK GENMASK_ULL(54, 52)
#define ERDMA_SQE_HDR_QPN_MASK GENMASK_ULL(51, 32)
#define ERDMA_SQE_HDR_OPCODE_MASK GENMASK_ULL(31, 27)
#define ERDMA_SQE_HDR_DWQE_MASK BIT_ULL(26)
#define ERDMA_SQE_HDR_INLINE_MASK BIT_ULL(25)
#define ERDMA_SQE_HDR_FENCE_MASK BIT_ULL(24)
#define ERDMA_SQE_HDR_SE_MASK BIT_ULL(23)
#define ERDMA_SQE_HDR_CE_MASK BIT_ULL(22)
#define ERDMA_SQE_HDR_WQEBB_INDEX_MASK GENMASK_ULL(15, 0)
#define ERDMA_SQE_MR_ACCESS_MASK GENMASK(5, 1)
#define ERDMA_SQE_MR_MTT_TYPE_MASK GENMASK(7, 6)
#define ERDMA_SQE_MR_MTT_CNT_MASK GENMASK(31, 12)
struct erdma_write_sqe {
__le64 hdr;
__be32 imm_data;
__le32 length;
__le32 sink_stag;
__le32 sink_to_l;
__le32 sink_to_h;
__le32 rsvd;
struct erdma_sge sgl[];
};
struct erdma_send_sqe {
__le64 hdr;
union {
__be32 imm_data;
__le32 invalid_stag;
};
__le32 length;
struct erdma_sge sgl[];
};
struct erdma_readreq_sqe {
__le64 hdr;
__le32 invalid_stag;
__le32 length;
__le32 sink_stag;
__le32 sink_to_l;
__le32 sink_to_h;
__le32 rsvd;
};
struct erdma_atomic_sqe {
__le64 hdr;
__le64 rsvd;
__le64 fetchadd_swap_data;
__le64 cmp_data;
struct erdma_sge remote;
struct erdma_sge sgl;
};
struct erdma_reg_mr_sqe {
__le64 hdr;
__le64 addr;
__le32 length;
__le32 stag;
__le32 attrs;
__le32 rsvd;
};
#define ERDMA_DEFAULT_EQ_DEPTH 4096
#define ERDMA_CEQE_HDR_DB_MASK BIT_ULL(63)
#define ERDMA_CEQE_HDR_PI_MASK GENMASK_ULL(55, 32)
#define ERDMA_CEQE_HDR_O_MASK BIT_ULL(31)
#define ERDMA_CEQE_HDR_CQN_MASK GENMASK_ULL(19, 0)
#define ERDMA_AEQE_HDR_O_MASK BIT(31)
#define ERDMA_AEQE_HDR_TYPE_MASK GENMASK(23, 16)
#define ERDMA_AEQE_HDR_SUBTYPE_MASK GENMASK(7, 0)
#define ERDMA_AE_TYPE_QP_FATAL_EVENT 0
#define ERDMA_AE_TYPE_QP_ERQ_ERR_EVENT 1
#define ERDMA_AE_TYPE_ACC_ERR_EVENT 2
#define ERDMA_AE_TYPE_CQ_ERR 3
#define ERDMA_AE_TYPE_OTHER_ERROR 4
struct erdma_aeqe {
__le32 hdr;
__le32 event_data0;
__le32 event_data1;
__le32 rsvd;
};
enum erdma_opcode {
ERDMA_OP_WRITE = 0,
ERDMA_OP_READ = 1,
ERDMA_OP_SEND = 2,
ERDMA_OP_SEND_WITH_IMM = 3,
ERDMA_OP_RECEIVE = 4,
ERDMA_OP_RECV_IMM = 5,
ERDMA_OP_RECV_INV = 6,
ERDMA_OP_RSVD0 = 7,
ERDMA_OP_RSVD1 = 8,
ERDMA_OP_WRITE_WITH_IMM = 9,
ERDMA_OP_RSVD2 = 10,
ERDMA_OP_RSVD3 = 11,
ERDMA_OP_RSP_SEND_IMM = 12,
ERDMA_OP_SEND_WITH_INV = 13,
ERDMA_OP_REG_MR = 14,
ERDMA_OP_LOCAL_INV = 15,
ERDMA_OP_READ_WITH_INV = 16,
ERDMA_OP_ATOMIC_CAS = 17,
ERDMA_OP_ATOMIC_FAA = 18,
ERDMA_NUM_OPCODES = 19,
ERDMA_OP_INVALID = ERDMA_NUM_OPCODES + 1
};
enum erdma_wc_status {
ERDMA_WC_SUCCESS = 0,
ERDMA_WC_GENERAL_ERR = 1,
ERDMA_WC_RECV_WQE_FORMAT_ERR = 2,
ERDMA_WC_RECV_STAG_INVALID_ERR = 3,
ERDMA_WC_RECV_ADDR_VIOLATION_ERR = 4,
ERDMA_WC_RECV_RIGHT_VIOLATION_ERR = 5,
ERDMA_WC_RECV_PDID_ERR = 6,
ERDMA_WC_RECV_WARRPING_ERR = 7,
ERDMA_WC_SEND_WQE_FORMAT_ERR = 8,
ERDMA_WC_SEND_WQE_ORD_EXCEED = 9,
ERDMA_WC_SEND_STAG_INVALID_ERR = 10,
ERDMA_WC_SEND_ADDR_VIOLATION_ERR = 11,
ERDMA_WC_SEND_RIGHT_VIOLATION_ERR = 12,
ERDMA_WC_SEND_PDID_ERR = 13,
ERDMA_WC_SEND_WARRPING_ERR = 14,
ERDMA_WC_FLUSH_ERR = 15,
ERDMA_WC_RETRY_EXC_ERR = 16,
ERDMA_NUM_WC_STATUS
};
enum erdma_vendor_err {
ERDMA_WC_VENDOR_NO_ERR = 0,
ERDMA_WC_VENDOR_INVALID_RQE = 1,
ERDMA_WC_VENDOR_RQE_INVALID_STAG = 2,
ERDMA_WC_VENDOR_RQE_ADDR_VIOLATION = 3,
ERDMA_WC_VENDOR_RQE_ACCESS_RIGHT_ERR = 4,
ERDMA_WC_VENDOR_RQE_INVALID_PD = 5,
ERDMA_WC_VENDOR_RQE_WRAP_ERR = 6,
ERDMA_WC_VENDOR_INVALID_SQE = 0x20,
ERDMA_WC_VENDOR_ZERO_ORD = 0x21,
ERDMA_WC_VENDOR_SQE_INVALID_STAG = 0x30,
ERDMA_WC_VENDOR_SQE_ADDR_VIOLATION = 0x31,
ERDMA_WC_VENDOR_SQE_ACCESS_ERR = 0x32,
ERDMA_WC_VENDOR_SQE_INVALID_PD = 0x33,
ERDMA_WC_VENDOR_SQE_WARP_ERR = 0x34
};
#endif