c2_wr.h

linux内核源码

union c2wr_pd_alloc {
	struct c2wr_pd_alloc_req req;
	struct c2wr_pd_alloc_rep rep;
} __attribute__((packed)) ;

struct c2wr_pd_dealloc_req {
	struct c2wr_hdr hdr;
	u32 rnic_handle;
	u32 pd_id;
} __attribute__((packed)) ;

struct c2wr_pd_dealloc_rep {
	struct c2wr_hdr hdr;
} __attribute__((packed)) ;

union c2wr_pd_dealloc {
	struct c2wr_pd_dealloc_req req;
	struct c2wr_pd_dealloc_rep rep;
} __attribute__((packed)) ;

/*
 *------------------------ SRQ ------------------------
 */
struct c2wr_srq_create_req {
	struct c2wr_hdr hdr;
	u64 shared_ht;
	u64 user_context;
	u32 rnic_handle;
	u32 srq_depth;
	u32 srq_limit;
	u32 sgl_depth;
	u32 pd_id;
} __attribute__((packed)) ;

struct c2wr_srq_create_rep {
	struct c2wr_hdr hdr;
	u32 srq_depth;
	u32 sgl_depth;
	u32 msg_size;
	u32 mq_index;
	u32 mq_start;
	u32 srq_handle;
} __attribute__((packed)) ;

union c2wr_srq_create {
	struct c2wr_srq_create_req req;
	struct c2wr_srq_create_rep rep;
} __attribute__((packed)) ;

struct c2wr_srq_destroy_req {
	struct c2wr_hdr hdr;
	u32 rnic_handle;
	u32 srq_handle;
} __attribute__((packed)) ;

struct c2wr_srq_destroy_rep {
	struct c2wr_hdr hdr;
} __attribute__((packed)) ;

union c2wr_srq_destroy {
	struct c2wr_srq_destroy_req req;
	struct c2wr_srq_destroy_rep rep;
} __attribute__((packed)) ;

/*
 *------------------------ QP ------------------------
 */
enum c2wr_qp_flags {
	QP_RDMA_READ = 0x00000001,	/* RDMA read enabled? */
	QP_RDMA_WRITE = 0x00000002,	/* RDMA write enabled? */
	QP_MW_BIND = 0x00000004,	/* MWs enabled */
	QP_ZERO_STAG = 0x00000008,	/* enabled? */
	QP_REMOTE_TERMINATION = 0x00000010,	/* remote end terminated */
	QP_RDMA_READ_RESPONSE = 0x00000020	/* Remote RDMA read  */
	    /* enabled? */
};

struct c2wr_qp_create_req {
	struct c2wr_hdr hdr;
	u64 shared_sq_ht;
	u64 shared_rq_ht;
	u64 user_context;
	u32 rnic_handle;
	u32 sq_cq_handle;
	u32 rq_cq_handle;
	u32 sq_depth;
	u32 rq_depth;
	u32 srq_handle;
	u32 srq_limit;
	u32 flags;		/* see enum c2wr_qp_flags */
	u32 send_sgl_depth;
	u32 recv_sgl_depth;
	u32 rdma_write_sgl_depth;
	u32 ord;
	u32 ird;
	u32 pd_id;
} __attribute__((packed)) ;

struct c2wr_qp_create_rep {
	struct c2wr_hdr hdr;
	u32 sq_depth;
	u32 rq_depth;
	u32 send_sgl_depth;
	u32 recv_sgl_depth;
	u32 rdma_write_sgl_depth;
	u32 ord;
	u32 ird;
	u32 sq_msg_size;
	u32 sq_mq_index;
	u32 sq_mq_start;
	u32 rq_msg_size;
	u32 rq_mq_index;
	u32 rq_mq_start;
	u32 qp_handle;
} __attribute__((packed)) ;

union c2wr_qp_create {
	struct c2wr_qp_create_req req;
	struct c2wr_qp_create_rep rep;
} __attribute__((packed)) ;

struct c2wr_qp_query_req {
	struct c2wr_hdr hdr;
	u32 rnic_handle;
	u32 qp_handle;
} __attribute__((packed)) ;

struct c2wr_qp_query_rep {
	struct c2wr_hdr hdr;
	u64 user_context;
	u32 rnic_handle;
	u32 sq_depth;
	u32 rq_depth;
	u32 send_sgl_depth;
	u32 rdma_write_sgl_depth;
	u32 recv_sgl_depth;
	u32 ord;
	u32 ird;
	u16 qp_state;
	u16 flags;		/* see c2wr_qp_flags_t */
	u32 qp_id;
	u32 local_addr;
	u32 remote_addr;
	u16 local_port;
	u16 remote_port;
	u32 terminate_msg_length;	/* 0 if not present */
	u8 data[0];
	/* Terminate Message in-line here. */
} __attribute__((packed)) ;

union c2wr_qp_query {
	struct c2wr_qp_query_req req;
	struct c2wr_qp_query_rep rep;
} __attribute__((packed)) ;

struct c2wr_qp_modify_req {
	struct c2wr_hdr hdr;
	u64 stream_msg;
	u32 stream_msg_length;
	u32 rnic_handle;
	u32 qp_handle;
	u32 next_qp_state;
	u32 ord;
	u32 ird;
	u32 sq_depth;
	u32 rq_depth;
	u32 llp_ep_handle;
} __attribute__((packed)) ;

struct c2wr_qp_modify_rep {
	struct c2wr_hdr hdr;
	u32 ord;
	u32 ird;
	u32 sq_depth;
	u32 rq_depth;
	u32 sq_msg_size;
	u32 sq_mq_index;
	u32 sq_mq_start;
	u32 rq_msg_size;
	u32 rq_mq_index;
	u32 rq_mq_start;
} __attribute__((packed)) ;

union c2wr_qp_modify {
	struct c2wr_qp_modify_req req;
	struct c2wr_qp_modify_rep rep;
} __attribute__((packed)) ;

struct c2wr_qp_destroy_req {
	struct c2wr_hdr hdr;
	u32 rnic_handle;
	u32 qp_handle;
} __attribute__((packed)) ;

struct c2wr_qp_destroy_rep {
	struct c2wr_hdr hdr;
} __attribute__((packed)) ;

union c2wr_qp_destroy {
	struct c2wr_qp_destroy_req req;
	struct c2wr_qp_destroy_rep rep;
} __attribute__((packed)) ;

/*
 * The CCWR_QP_CONNECT msg is posted on the verbs request queue.  It can
 * only be posted when a QP is in IDLE state.  After the connect request is
 * submitted to the LLP, the adapter moves the QP to CONNECT_PENDING state.
 * No synchronous reply from adapter to this WR.  The results of
 * connection are passed back in an async event CCAE_ACTIVE_CONNECT_RESULTS
 * See c2wr_ae_active_connect_results_t
 */
struct c2wr_qp_connect_req {
	struct c2wr_hdr hdr;
	u32 rnic_handle;
	u32 qp_handle;
	u32 remote_addr;
	u16 remote_port;
	u16 pad;
	u32 private_data_length;
	u8 private_data[0];	/* Private data in-line. */
} __attribute__((packed)) ;

struct c2wr_qp_connect {
	struct c2wr_qp_connect_req req;
	/* no synchronous reply.         */
} __attribute__((packed)) ;


/*
 *------------------------ MM ------------------------
 */

struct c2wr_nsmr_stag_alloc_req {
	struct c2wr_hdr hdr;
	u32 rnic_handle;
	u32 pbl_depth;
	u32 pd_id;
	u32 flags;
} __attribute__((packed)) ;

struct c2wr_nsmr_stag_alloc_rep {
	struct c2wr_hdr hdr;
	u32 pbl_depth;
	u32 stag_index;
} __attribute__((packed)) ;

union c2wr_nsmr_stag_alloc {
	struct c2wr_nsmr_stag_alloc_req req;
	struct c2wr_nsmr_stag_alloc_rep rep;
} __attribute__((packed)) ;

struct c2wr_nsmr_register_req {
	struct c2wr_hdr hdr;
	u64 va;
	u32 rnic_handle;
	u16 flags;
	u8 stag_key;
	u8 pad;
	u32 pd_id;
	u32 pbl_depth;
	u32 pbe_size;
	u32 fbo;
	u32 length;
	u32 addrs_length;
	/* array of paddrs (must be aligned on a 64bit boundary) */
	u64 paddrs[0];
} __attribute__((packed)) ;

struct c2wr_nsmr_register_rep {
	struct c2wr_hdr hdr;
	u32 pbl_depth;
	u32 stag_index;
} __attribute__((packed)) ;

union c2wr_nsmr_register {
	struct c2wr_nsmr_register_req req;
	struct c2wr_nsmr_register_rep rep;
} __attribute__((packed)) ;

struct c2wr_nsmr_pbl_req {
	struct c2wr_hdr hdr;
	u32 rnic_handle;
	u32 flags;
	u32 stag_index;
	u32 addrs_length;
	/* array of paddrs (must be aligned on a 64bit boundary) */
	u64 paddrs[0];
} __attribute__((packed)) ;

struct c2wr_nsmr_pbl_rep {
	struct c2wr_hdr hdr;
} __attribute__((packed)) ;

union c2wr_nsmr_pbl {
	struct c2wr_nsmr_pbl_req req;
	struct c2wr_nsmr_pbl_rep rep;
} __attribute__((packed)) ;

struct c2wr_mr_query_req {
	struct c2wr_hdr hdr;
	u32 rnic_handle;
	u32 stag_index;
} __attribute__((packed)) ;

struct c2wr_mr_query_rep {
	struct c2wr_hdr hdr;
	u8 stag_key;
	u8 pad[3];
	u32 pd_id;
	u32 flags;
	u32 pbl_depth;
} __attribute__((packed)) ;

union c2wr_mr_query {
	struct c2wr_mr_query_req req;
	struct c2wr_mr_query_rep rep;
} __attribute__((packed)) ;

struct c2wr_mw_query_req {
	struct c2wr_hdr hdr;
	u32 rnic_handle;
	u32 stag_index;
} __attribute__((packed)) ;

struct c2wr_mw_query_rep {
	struct c2wr_hdr hdr;
	u8 stag_key;
	u8 pad[3];
	u32 pd_id;
	u32 flags;
} __attribute__((packed)) ;

union c2wr_mw_query {
	struct c2wr_mw_query_req req;
	struct c2wr_mw_query_rep rep;
} __attribute__((packed)) ;


struct c2wr_stag_dealloc_req {
	struct c2wr_hdr hdr;
	u32 rnic_handle;
	u32 stag_index;
} __attribute__((packed)) ;

struct c2wr_stag_dealloc_rep {
	struct c2wr_hdr hdr;
} __attribute__((packed)) ;

union c2wr_stag_dealloc {
	struct c2wr_stag_dealloc_req req;
	struct c2wr_stag_dealloc_rep rep;
} __attribute__((packed)) ;

struct c2wr_nsmr_reregister_req {
	struct c2wr_hdr hdr;
	u64 va;
	u32 rnic_handle;
	u16 flags;
	u8 stag_key;
	u8 pad;
	u32 stag_index;
	u32 pd_id;
	u32 pbl_depth;
	u32 pbe_size;
	u32 fbo;
	u32 length;
	u32 addrs_length;
	u32 pad1;
	/* array of paddrs (must be aligned on a 64bit boundary) */
	u64 paddrs[0];
} __attribute__((packed)) ;

struct c2wr_nsmr_reregister_rep {
	struct c2wr_hdr hdr;
	u32 pbl_depth;
	u32 stag_index;
} __attribute__((packed)) ;

union c2wr_nsmr_reregister {
	struct c2wr_nsmr_reregister_req req;
	struct c2wr_nsmr_reregister_rep rep;
} __attribute__((packed)) ;

struct c2wr_smr_register_req {
	struct c2wr_hdr hdr;
	u64 va;
	u32 rnic_handle;
	u16 flags;
	u8 stag_key;
	u8 pad;
	u32 stag_index;
	u32 pd_id;
} __attribute__((packed)) ;

struct c2wr_smr_register_rep {
	struct c2wr_hdr hdr;
	u32 stag_index;
} __attribute__((packed)) ;

union c2wr_smr_register {
	struct c2wr_smr_register_req req;
	struct c2wr_smr_register_rep rep;
} __attribute__((packed)) ;

struct c2wr_mw_alloc_req {
	struct c2wr_hdr hdr;
	u32 rnic_handle;
	u32 pd_id;
} __attribute__((packed)) ;

struct c2wr_mw_alloc_rep {
	struct c2wr_hdr hdr;
	u32 stag_index;
} __attribute__((packed)) ;

union c2wr_mw_alloc {
	struct c2wr_mw_alloc_req req;
	struct c2wr_mw_alloc_rep rep;
} __attribute__((packed)) ;

/*
 *------------------------ WRs -----------------------
 */

struct c2wr_user_hdr {
	struct c2wr_hdr hdr;		/* Has status and WR Type */
} __attribute__((packed)) ;

enum c2_qp_state {
	C2_QP_STATE_IDLE = 0x01,
	C2_QP_STATE_CONNECTING = 0x02,
	C2_QP_STATE_RTS = 0x04,
	C2_QP_STATE_CLOSING = 0x08,
	C2_QP_STATE_TERMINATE = 0x10,
	C2_QP_STATE_ERROR = 0x20,
};

/* Completion queue entry. */
struct c2wr_ce {
	struct c2wr_hdr hdr;		/* Has status and WR Type */
	u64 qp_user_context;	/* c2_user_qp_t * */
	u32 qp_state;		/* Current QP State */
	u32 handle;		/* QPID or EP Handle */
	u32 bytes_rcvd;		/* valid for RECV WCs */
	u32 stag;
} __attribute__((packed)) ;


/*
 * Flags used for all post-sq WRs.  These must fit in the flags
 * field of the struct c2wr_hdr (eight bits).
 */
enum {
	SQ_SIGNALED = 0x01,
	SQ_READ_FENCE = 0x02,
	SQ_FENCE = 0x04,
};

/*
 * Common fields for all post-sq WRs.  Namely the standard header and a
 * secondary header with fields common to all post-sq WRs.
 */
struct c2_sq_hdr {
	struct c2wr_user_hdr user_hdr;
} __attribute__((packed));

/*
 * Same as above but for post-rq WRs.
 */
struct c2_rq_hdr {
	struct c2wr_user_hdr user_hdr;
} __attribute__((packed));

/*
 * use the same struct for all sends.
 */
struct c2wr_send_req {
	struct c2_sq_hdr sq_hdr;
	u32 sge_len;
	u32 remote_stag;
	u8 data[0];		/* SGE array */
} __attribute__((packed));

union c2wr_send {
	struct c2wr_send_req req;
	struct c2wr_ce rep;
} __attribute__((packed));

struct c2wr_rdma_write_req {
	struct c2_sq_hdr sq_hdr;
	u64 remote_to;
	u32 remote_stag;
	u32 sge_len;
	u8 data[0];		/* SGE array */
} __attribute__((packed));

union c2wr_rdma_write {
	struct c2wr_rdma_write_req req;
	struct c2wr_ce rep;
} __attribute__((packed));

struct c2wr_rdma_read_req {
	struct c2_sq_hdr sq_hdr;
	u64 local_to;
	u64 remote_to;
	u32 local_stag;