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-rw-r--r--drivers/infiniband/hw/irdma/user.h410
1 files changed, 410 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/irdma/user.h b/drivers/infiniband/hw/irdma/user.h
new file mode 100644
index 000000000..d0cdf609f
--- /dev/null
+++ b/drivers/infiniband/hw/irdma/user.h
@@ -0,0 +1,410 @@
+/* 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_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,
+ FLUSH_REM_INV_REQ_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_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 {
+ struct ib_sge *sg_list;
+ u32 num_sges;
+ u32 qkey;
+ u32 dest_qp;
+ u32 ah_id;
+};
+
+struct irdma_post_rq_info {
+ u64 wr_id;
+ struct ib_sge *sg_list;
+ u32 num_sges;
+};
+
+struct irdma_rdma_write {
+ struct ib_sge *lo_sg_list;
+ u32 num_lo_sges;
+ struct ib_sge rem_addr;
+};
+
+struct irdma_rdma_read {
+ struct ib_sge *lo_sg_list;
+ u32 num_lo_sges;
+ struct ib_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;
+ } 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;
+ u8 q_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;
+};
+
+int irdma_uk_inline_rdma_write(struct irdma_qp_uk *qp,
+ struct irdma_post_sq_info *info, bool post_sq);
+int irdma_uk_inline_send(struct irdma_qp_uk *qp,
+ struct irdma_post_sq_info *info, bool post_sq);
+int irdma_uk_post_nop(struct irdma_qp_uk *qp, u64 wr_id, bool signaled,
+ bool post_sq);
+int 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);
+int irdma_uk_rdma_read(struct irdma_qp_uk *qp, struct irdma_post_sq_info *info,
+ bool inv_stag, bool post_sq);
+int irdma_uk_rdma_write(struct irdma_qp_uk *qp, struct irdma_post_sq_info *info,
+ bool post_sq);
+int irdma_uk_send(struct irdma_qp_uk *qp, struct irdma_post_sq_info *info,
+ bool post_sq);
+int 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, struct ib_sge *sge_list,
+ u32 num_sges, u8 polarity);
+ u16 (*iw_inline_data_size_to_quanta)(u32 data_size);
+ void (*iw_set_fragment)(__le64 *wqe, u32 offset, struct ib_sge *sge,
+ u8 valid);
+ void (*iw_set_mw_bind_wqe)(__le64 *wqe,
+ struct irdma_bind_window *op_info);
+};
+
+int 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);
+int 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);
+int irdma_nop(struct irdma_qp_uk *qp, u64 wr_id, bool signaled, bool post_sq);
+int irdma_fragcnt_to_quanta_sq(u32 frag_cnt, u16 *quanta);
+int 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);
+int irdma_get_sqdepth(struct irdma_uk_attrs *uk_attrs, u32 sq_size, u8 shift,
+ u32 *wqdepth);
+int 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 */