xref: /aosp_15_r20/bionic/libc/kernel/uapi/rdma/siw-abi.h (revision 8d67ca893c1523eb926b9080dbe4e2ffd2a27ba1)

/*
 * This file is auto-generated. Modifications will be lost.
 *
 * See https://android.googlesource.com/platform/bionic/+/master/libc/kernel/
 * for more information.
 */
#ifndef _SIW_USER_H
#define _SIW_USER_H
#include <linux/types.h>
#define SIW_NODE_DESC_COMMON "Software iWARP stack"
#define SIW_ABI_VERSION 1
#define SIW_MAX_SGE 6
#define SIW_UOBJ_MAX_KEY 0x08FFFF
#define SIW_INVAL_UOBJ_KEY (SIW_UOBJ_MAX_KEY + 1)
struct siw_uresp_create_cq {
  __u32 cq_id;
  __u32 num_cqe;
  __aligned_u64 cq_key;
};
struct siw_uresp_create_qp {
  __u32 qp_id;
  __u32 num_sqe;
  __u32 num_rqe;
  __u32 pad;
  __aligned_u64 sq_key;
  __aligned_u64 rq_key;
};
struct siw_ureq_reg_mr {
  __u8 stag_key;
  __u8 reserved[3];
  __u32 pad;
};
struct siw_uresp_reg_mr {
  __u32 stag;
  __u32 pad;
};
struct siw_uresp_create_srq {
  __u32 num_rqe;
  __u32 pad;
  __aligned_u64 srq_key;
};
struct siw_uresp_alloc_ctx {
  __u32 dev_id;
  __u32 pad;
};
enum siw_opcode {
  SIW_OP_WRITE,
  SIW_OP_READ,
  SIW_OP_READ_LOCAL_INV,
  SIW_OP_SEND,
  SIW_OP_SEND_WITH_IMM,
  SIW_OP_SEND_REMOTE_INV,
  SIW_OP_FETCH_AND_ADD,
  SIW_OP_COMP_AND_SWAP,
  SIW_OP_RECEIVE,
  SIW_OP_READ_RESPONSE,
  SIW_OP_INVAL_STAG,
  SIW_OP_REG_MR,
  SIW_NUM_OPCODES
};
struct siw_sge {
  __aligned_u64 laddr;
  __u32 length;
  __u32 lkey;
};
#define SIW_MAX_INLINE (sizeof(struct siw_sge) * (SIW_MAX_SGE - 1))
#if SIW_MAX_SGE < 2
#error "SIW_MAX_SGE must be at least 2"
#endif
enum siw_wqe_flags {
  SIW_WQE_VALID = 1,
  SIW_WQE_INLINE = (1 << 1),
  SIW_WQE_SIGNALLED = (1 << 2),
  SIW_WQE_SOLICITED = (1 << 3),
  SIW_WQE_READ_FENCE = (1 << 4),
  SIW_WQE_REM_INVAL = (1 << 5),
  SIW_WQE_COMPLETED = (1 << 6)
};
struct siw_sqe {
  __aligned_u64 id;
  __u16 flags;
  __u8 num_sge;
  __u8 opcode;
  __u32 rkey;
  union {
    __aligned_u64 raddr;
    __aligned_u64 base_mr;
  };
  union {
    struct siw_sge sge[SIW_MAX_SGE];
    __aligned_u64 access;
  };
};
struct siw_rqe {
  __aligned_u64 id;
  __u16 flags;
  __u8 num_sge;
  __u8 opcode;
  __u32 unused;
  struct siw_sge sge[SIW_MAX_SGE];
};
enum siw_notify_flags {
  SIW_NOTIFY_NOT = (0),
  SIW_NOTIFY_SOLICITED = (1 << 0),
  SIW_NOTIFY_NEXT_COMPLETION = (1 << 1),
  SIW_NOTIFY_MISSED_EVENTS = (1 << 2),
  SIW_NOTIFY_ALL = SIW_NOTIFY_SOLICITED | SIW_NOTIFY_NEXT_COMPLETION | SIW_NOTIFY_MISSED_EVENTS
};
enum siw_wc_status {
  SIW_WC_SUCCESS,
  SIW_WC_LOC_LEN_ERR,
  SIW_WC_LOC_PROT_ERR,
  SIW_WC_LOC_QP_OP_ERR,
  SIW_WC_WR_FLUSH_ERR,
  SIW_WC_BAD_RESP_ERR,
  SIW_WC_LOC_ACCESS_ERR,
  SIW_WC_REM_ACCESS_ERR,
  SIW_WC_REM_INV_REQ_ERR,
  SIW_WC_GENERAL_ERR,
  SIW_NUM_WC_STATUS
};
struct siw_cqe {
  __aligned_u64 id;
  __u8 flags;
  __u8 opcode;
  __u16 status;
  __u32 bytes;
  union {
    __aligned_u64 imm_data;
    __u32 inval_stag;
  };
  union {
    struct ib_qp * base_qp;
    __aligned_u64 qp_id;
  };
};
struct siw_cq_ctrl {
  __u32 flags;
  __u32 pad;
};
#endif