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/* SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB */
/* Copyright (c) 2015 - 2020 Intel Corporation */
#ifndef IRDMA_USER_H
#define IRDMA_USER_H
#define irdma_handle void *
#define irdma_adapter_handle irdma_handle
#define irdma_qp_handle irdma_handle
#define irdma_cq_handle irdma_handle
#define irdma_pd_id irdma_handle
#define irdma_stag_handle irdma_handle
#define irdma_stag_index u32
#define irdma_stag u32
#define irdma_stag_key u8
#define irdma_tagged_offset u64
#define irdma_access_privileges u32
#define irdma_physical_fragment u64
#define irdma_address_list u64 *
#define irdma_sgl struct irdma_sge *
#define IRDMA_MAX_MR_SIZE 0x200000000000ULL
#define IRDMA_ACCESS_FLAGS_LOCALREAD 0x01
#define IRDMA_ACCESS_FLAGS_LOCALWRITE 0x02
#define IRDMA_ACCESS_FLAGS_REMOTEREAD_ONLY 0x04
#define IRDMA_ACCESS_FLAGS_REMOTEREAD 0x05
#define IRDMA_ACCESS_FLAGS_REMOTEWRITE_ONLY 0x08
#define IRDMA_ACCESS_FLAGS_REMOTEWRITE 0x0a
#define IRDMA_ACCESS_FLAGS_BIND_WINDOW 0x10
#define IRDMA_ACCESS_FLAGS_ZERO_BASED 0x20
#define IRDMA_ACCESS_FLAGS_ALL 0x3f
#define IRDMA_OP_TYPE_RDMA_WRITE 0x00
#define IRDMA_OP_TYPE_RDMA_READ 0x01
#define IRDMA_OP_TYPE_SEND 0x03
#define IRDMA_OP_TYPE_SEND_INV 0x04
#define IRDMA_OP_TYPE_SEND_SOL 0x05
#define IRDMA_OP_TYPE_SEND_SOL_INV 0x06
#define IRDMA_OP_TYPE_RDMA_WRITE_SOL 0x0d
#define IRDMA_OP_TYPE_BIND_MW 0x08
#define IRDMA_OP_TYPE_FAST_REG_NSMR 0x09
#define IRDMA_OP_TYPE_INV_STAG 0x0a
#define IRDMA_OP_TYPE_RDMA_READ_INV_STAG 0x0b
#define IRDMA_OP_TYPE_NOP 0x0c
#define IRDMA_OP_TYPE_REC 0x3e
#define IRDMA_OP_TYPE_REC_IMM 0x3f
#define IRDMA_FLUSH_MAJOR_ERR 1
enum irdma_device_caps_const {
IRDMA_WQE_SIZE = 4,
IRDMA_CQP_WQE_SIZE = 8,
IRDMA_CQE_SIZE = 4,
IRDMA_EXTENDED_CQE_SIZE = 8,
IRDMA_AEQE_SIZE = 2,
IRDMA_CEQE_SIZE = 1,
IRDMA_CQP_CTX_SIZE = 8,
IRDMA_SHADOW_AREA_SIZE = 8,
IRDMA_QUERY_FPM_BUF_SIZE = 176,
IRDMA_COMMIT_FPM_BUF_SIZE = 176,
IRDMA_GATHER_STATS_BUF_SIZE = 1024,
IRDMA_MIN_IW_QP_ID = 0,
IRDMA_MAX_IW_QP_ID = 262143,
IRDMA_MIN_CEQID = 0,
IRDMA_MAX_CEQID = 1023,
IRDMA_CEQ_MAX_COUNT = IRDMA_MAX_CEQID + 1,
IRDMA_MIN_CQID = 0,
IRDMA_MAX_CQID = 524287,
IRDMA_MIN_AEQ_ENTRIES = 1,
IRDMA_MAX_AEQ_ENTRIES = 524287,
IRDMA_MIN_CEQ_ENTRIES = 1,
IRDMA_MAX_CEQ_ENTRIES = 262143,
IRDMA_MIN_CQ_SIZE = 1,
IRDMA_MAX_CQ_SIZE = 1048575,
IRDMA_DB_ID_ZERO = 0,
IRDMA_MAX_WQ_FRAGMENT_COUNT = 13,
IRDMA_MAX_SGE_RD = 13,
IRDMA_MAX_OUTBOUND_MSG_SIZE = 2147483647,
IRDMA_MAX_INBOUND_MSG_SIZE = 2147483647,
IRDMA_MAX_PUSH_PAGE_COUNT = 1024,
IRDMA_MAX_PE_ENA_VF_COUNT = 32,
IRDMA_MAX_VF_FPM_ID = 47,
IRDMA_MAX_SQ_PAYLOAD_SIZE = 2145386496,
IRDMA_MAX_INLINE_DATA_SIZE = 101,
IRDMA_MAX_WQ_ENTRIES = 32768,
IRDMA_Q2_BUF_SIZE = 256,
IRDMA_QP_CTX_SIZE = 256,
IRDMA_MAX_PDS = 262144,
};
enum irdma_addressing_type {
IRDMA_ADDR_TYPE_ZERO_BASED = 0,
IRDMA_ADDR_TYPE_VA_BASED = 1,
};
enum irdma_flush_opcode {
FLUSH_INVALID = 0,
FLUSH_GENERAL_ERR,
FLUSH_PROT_ERR,
FLUSH_REM_ACCESS_ERR,
FLUSH_LOC_QP_OP_ERR,
FLUSH_REM_OP_ERR,
FLUSH_LOC_LEN_ERR,
FLUSH_FATAL_ERR,
FLUSH_RETRY_EXC_ERR,
FLUSH_MW_BIND_ERR,
};
enum irdma_cmpl_status {
IRDMA_COMPL_STATUS_SUCCESS = 0,
IRDMA_COMPL_STATUS_FLUSHED,
IRDMA_COMPL_STATUS_INVALID_WQE,
IRDMA_COMPL_STATUS_QP_CATASTROPHIC,
IRDMA_COMPL_STATUS_REMOTE_TERMINATION,
IRDMA_COMPL_STATUS_INVALID_STAG,
IRDMA_COMPL_STATUS_BASE_BOUND_VIOLATION,
IRDMA_COMPL_STATUS_ACCESS_VIOLATION,
IRDMA_COMPL_STATUS_INVALID_PD_ID,
IRDMA_COMPL_STATUS_WRAP_ERROR,
IRDMA_COMPL_STATUS_STAG_INVALID_PDID,
IRDMA_COMPL_STATUS_RDMA_READ_ZERO_ORD,
IRDMA_COMPL_STATUS_QP_NOT_PRIVLEDGED,
IRDMA_COMPL_STATUS_STAG_NOT_INVALID,
IRDMA_COMPL_STATUS_INVALID_PHYS_BUF_SIZE,
IRDMA_COMPL_STATUS_INVALID_PHYS_BUF_ENTRY,
IRDMA_COMPL_STATUS_INVALID_FBO,
IRDMA_COMPL_STATUS_INVALID_LEN,
IRDMA_COMPL_STATUS_INVALID_ACCESS,
IRDMA_COMPL_STATUS_PHYS_BUF_LIST_TOO_LONG,
IRDMA_COMPL_STATUS_INVALID_VIRT_ADDRESS,
IRDMA_COMPL_STATUS_INVALID_REGION,
IRDMA_COMPL_STATUS_INVALID_WINDOW,
IRDMA_COMPL_STATUS_INVALID_TOTAL_LEN,
IRDMA_COMPL_STATUS_UNKNOWN,
};
enum irdma_cmpl_notify {
IRDMA_CQ_COMPL_EVENT = 0,
IRDMA_CQ_COMPL_SOLICITED = 1,
};
enum irdma_qp_caps {
IRDMA_WRITE_WITH_IMM = 1,
IRDMA_SEND_WITH_IMM = 2,
IRDMA_ROCE = 4,
IRDMA_PUSH_MODE = 8,
};
struct irdma_qp_uk;
struct irdma_cq_uk;
struct irdma_qp_uk_init_info;
struct irdma_cq_uk_init_info;
struct irdma_sge {
irdma_tagged_offset tag_off;
u32 len;
irdma_stag stag;
};
struct irdma_ring {
u32 head;
u32 tail;
u32 size;
};
struct irdma_cqe {
__le64 buf[IRDMA_CQE_SIZE];
};
struct irdma_extended_cqe {
__le64 buf[IRDMA_EXTENDED_CQE_SIZE];
};
struct irdma_post_send {
irdma_sgl sg_list;
u32 num_sges;
u32 qkey;
u32 dest_qp;
u32 ah_id;
};
struct irdma_post_inline_send {
void *data;
u32 len;
u32 qkey;
u32 dest_qp;
u32 ah_id;
};
struct irdma_post_rq_info {
u64 wr_id;
irdma_sgl sg_list;
u32 num_sges;
};
struct irdma_rdma_write {
irdma_sgl lo_sg_list;
u32 num_lo_sges;
struct irdma_sge rem_addr;
};
struct irdma_inline_rdma_write {
void *data;
u32 len;
struct irdma_sge rem_addr;
};
struct irdma_rdma_read {
irdma_sgl lo_sg_list;
u32 num_lo_sges;
struct irdma_sge rem_addr;
};
struct irdma_bind_window {
irdma_stag mr_stag;
u64 bind_len;
void *va;
enum irdma_addressing_type addressing_type;
bool ena_reads:1;
bool ena_writes:1;
irdma_stag mw_stag;
bool mem_window_type_1:1;
};
struct irdma_inv_local_stag {
irdma_stag target_stag;
};
struct irdma_post_sq_info {
u64 wr_id;
u8 op_type;
u8 l4len;
bool signaled:1;
bool read_fence:1;
bool local_fence:1;
bool inline_data:1;
bool imm_data_valid:1;
bool push_wqe:1;
bool report_rtt:1;
bool udp_hdr:1;
bool defer_flag:1;
u32 imm_data;
u32 stag_to_inv;
union {
struct irdma_post_send send;
struct irdma_rdma_write rdma_write;
struct irdma_rdma_read rdma_read;
struct irdma_bind_window bind_window;
struct irdma_inv_local_stag inv_local_stag;
struct irdma_inline_rdma_write inline_rdma_write;
struct irdma_post_inline_send inline_send;
} op;
};
struct irdma_cq_poll_info {
u64 wr_id;
irdma_qp_handle qp_handle;
u32 bytes_xfered;
u32 tcp_seq_num_rtt;
u32 qp_id;
u32 ud_src_qpn;
u32 imm_data;
irdma_stag inv_stag; /* or L_R_Key */
enum irdma_cmpl_status comp_status;
u16 major_err;
u16 minor_err;
u16 ud_vlan;
u8 ud_smac[6];
u8 op_type;
bool stag_invalid_set:1; /* or L_R_Key set */
bool push_dropped:1;
bool error:1;
bool solicited_event:1;
bool ipv4:1;
bool ud_vlan_valid:1;
bool ud_smac_valid:1;
bool imm_valid:1;
};
enum irdma_status_code irdma_uk_inline_rdma_write(struct irdma_qp_uk *qp,
struct irdma_post_sq_info *info,
bool post_sq);
enum irdma_status_code irdma_uk_inline_send(struct irdma_qp_uk *qp,
struct irdma_post_sq_info *info,
bool post_sq);
enum irdma_status_code irdma_uk_post_nop(struct irdma_qp_uk *qp, u64 wr_id,
bool signaled, bool post_sq);
enum irdma_status_code irdma_uk_post_receive(struct irdma_qp_uk *qp,
struct irdma_post_rq_info *info);
void irdma_uk_qp_post_wr(struct irdma_qp_uk *qp);
enum irdma_status_code irdma_uk_rdma_read(struct irdma_qp_uk *qp,
struct irdma_post_sq_info *info,
bool inv_stag, bool post_sq);
enum irdma_status_code irdma_uk_rdma_write(struct irdma_qp_uk *qp,
struct irdma_post_sq_info *info,
bool post_sq);
enum irdma_status_code irdma_uk_send(struct irdma_qp_uk *qp,
struct irdma_post_sq_info *info, bool post_sq);
enum irdma_status_code irdma_uk_stag_local_invalidate(struct irdma_qp_uk *qp,
struct irdma_post_sq_info *info,
bool post_sq);
struct irdma_wqe_uk_ops {
void (*iw_copy_inline_data)(u8 *dest, u8 *src, u32 len, u8 polarity);
u16 (*iw_inline_data_size_to_quanta)(u32 data_size);
void (*iw_set_fragment)(__le64 *wqe, u32 offset, struct irdma_sge *sge,
u8 valid);
void (*iw_set_mw_bind_wqe)(__le64 *wqe,
struct irdma_bind_window *op_info);
};
enum irdma_status_code irdma_uk_cq_poll_cmpl(struct irdma_cq_uk *cq,
struct irdma_cq_poll_info *info);
void irdma_uk_cq_request_notification(struct irdma_cq_uk *cq,
enum irdma_cmpl_notify cq_notify);
void irdma_uk_cq_resize(struct irdma_cq_uk *cq, void *cq_base, int size);
void irdma_uk_cq_set_resized_cnt(struct irdma_cq_uk *qp, u16 cnt);
void irdma_uk_cq_init(struct irdma_cq_uk *cq,
struct irdma_cq_uk_init_info *info);
enum irdma_status_code irdma_uk_qp_init(struct irdma_qp_uk *qp,
struct irdma_qp_uk_init_info *info);
struct irdma_sq_uk_wr_trk_info {
u64 wrid;
u32 wr_len;
u16 quanta;
u8 reserved[2];
};
struct irdma_qp_quanta {
__le64 elem[IRDMA_WQE_SIZE];
};
struct irdma_qp_uk {
struct irdma_qp_quanta *sq_base;
struct irdma_qp_quanta *rq_base;
struct irdma_uk_attrs *uk_attrs;
u32 __iomem *wqe_alloc_db;
struct irdma_sq_uk_wr_trk_info *sq_wrtrk_array;
u64 *rq_wrid_array;
__le64 *shadow_area;
__le32 *push_db;
__le64 *push_wqe;
struct irdma_ring sq_ring;
struct irdma_ring rq_ring;
struct irdma_ring initial_ring;
u32 qp_id;
u32 qp_caps;
u32 sq_size;
u32 rq_size;
u32 max_sq_frag_cnt;
u32 max_rq_frag_cnt;
u32 max_inline_data;
struct irdma_wqe_uk_ops wqe_ops;
u16 conn_wqes;
u8 qp_type;
u8 swqe_polarity;
u8 swqe_polarity_deferred;
u8 rwqe_polarity;
u8 rq_wqe_size;
u8 rq_wqe_size_multiplier;
bool deferred_flag:1;
bool push_mode:1; /* whether the last post wqe was pushed */
bool push_dropped:1;
bool first_sq_wq:1;
bool sq_flush_complete:1; /* Indicates flush was seen and SQ was empty after the flush */
bool rq_flush_complete:1; /* Indicates flush was seen and RQ was empty after the flush */
bool destroy_pending:1; /* Indicates the QP is being destroyed */
void *back_qp;
u8 dbg_rq_flushed;
u8 sq_flush_seen;
u8 rq_flush_seen;
};
struct irdma_cq_uk {
struct irdma_cqe *cq_base;
u32 __iomem *cqe_alloc_db;
u32 __iomem *cq_ack_db;
__le64 *shadow_area;
u32 cq_id;
u32 cq_size;
struct irdma_ring cq_ring;
u8 polarity;
bool avoid_mem_cflct:1;
};
struct irdma_qp_uk_init_info {
struct irdma_qp_quanta *sq;
struct irdma_qp_quanta *rq;
struct irdma_uk_attrs *uk_attrs;
u32 __iomem *wqe_alloc_db;
__le64 *shadow_area;
struct irdma_sq_uk_wr_trk_info *sq_wrtrk_array;
u64 *rq_wrid_array;
u32 qp_id;
u32 qp_caps;
u32 sq_size;
u32 rq_size;
u32 max_sq_frag_cnt;
u32 max_rq_frag_cnt;
u32 max_inline_data;
u8 first_sq_wq;
u8 type;
int abi_ver;
bool legacy_mode;
};
struct irdma_cq_uk_init_info {
u32 __iomem *cqe_alloc_db;
u32 __iomem *cq_ack_db;
struct irdma_cqe *cq_base;
__le64 *shadow_area;
u32 cq_size;
u32 cq_id;
bool avoid_mem_cflct;
};
__le64 *irdma_qp_get_next_send_wqe(struct irdma_qp_uk *qp, u32 *wqe_idx,
u16 quanta, u32 total_size,
struct irdma_post_sq_info *info);
__le64 *irdma_qp_get_next_recv_wqe(struct irdma_qp_uk *qp, u32 *wqe_idx);
void irdma_uk_clean_cq(void *q, struct irdma_cq_uk *cq);
enum irdma_status_code irdma_nop(struct irdma_qp_uk *qp, u64 wr_id,
bool signaled, bool post_sq);
enum irdma_status_code irdma_fragcnt_to_quanta_sq(u32 frag_cnt, u16 *quanta);
enum irdma_status_code irdma_fragcnt_to_wqesize_rq(u32 frag_cnt, u16 *wqe_size);
void irdma_get_wqe_shift(struct irdma_uk_attrs *uk_attrs, u32 sge,
u32 inline_data, u8 *shift);
enum irdma_status_code irdma_get_sqdepth(struct irdma_uk_attrs *uk_attrs,
u32 sq_size, u8 shift, u32 *wqdepth);
enum irdma_status_code irdma_get_rqdepth(struct irdma_uk_attrs *uk_attrs,
u32 rq_size, u8 shift, u32 *wqdepth);
void irdma_qp_push_wqe(struct irdma_qp_uk *qp, __le64 *wqe, u16 quanta,
u32 wqe_idx, bool post_sq);
void irdma_clr_wqes(struct irdma_qp_uk *qp, u32 qp_wqe_idx);
#endif /* IRDMA_USER_H */
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