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post_recv() now works, and we can pass data on the IPoIB queue pair

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using entirely our own code.
This commit is contained in:
Michael Brown
2007-09-15 23:33:25 +01:00
parent 838b972cd3
commit 37fc40bc8c
5 changed files with 234 additions and 74 deletions
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27
src/drivers/net/mlx_ipoib/arbel.h
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@@ -25,6 +25,7 @@ struct MLX_DECLARE_STRUCT ( arbelprm_completion_queue_entry );
struct MLX_DECLARE_STRUCT ( arbelprm_completion_with_error );
struct MLX_DECLARE_STRUCT ( arbelprm_cq_ci_db_record );
struct MLX_DECLARE_STRUCT ( arbelprm_qp_db_record );
struct MLX_DECLARE_STRUCT ( arbelprm_recv_wqe_segment_next );
struct MLX_DECLARE_STRUCT ( arbelprm_send_doorbell );
struct MLX_DECLARE_STRUCT ( arbelprm_ud_address_vector );
struct MLX_DECLARE_STRUCT ( arbelprm_wqe_segment_ctrl_send );
@@ -37,13 +38,28 @@ struct MLX_DECLARE_STRUCT ( arbelprm_wqe_segment_ud );
*
*/
#define ARBELPRM_MAX_GATHER 1
#define ARBEL_MAX_GATHER 1
struct arbelprm_ud_send_wqe {
struct arbelprm_wqe_segment_next next;
struct arbelprm_wqe_segment_ctrl_send ctrl;
struct arbelprm_wqe_segment_ud ud;
struct arbelprm_wqe_segment_data_ptr data[ARBELPRM_MAX_GATHER];
struct arbelprm_wqe_segment_data_ptr data[ARBEL_MAX_GATHER];
} __attribute__ (( packed ));
#define ARBEL_MAX_SCATTER 1
struct arbelprm_recv_wqe {
/* The autogenerated header is inconsistent between send and
* receive WQEs. The "ctrl" structure for receive WQEs is
* defined to include the "next" structure. Since the "ctrl"
* part of the "ctrl" structure contains only "reserved, must
* be zero" bits, we ignore its definition and provide
* something more usable.
*/
struct arbelprm_recv_wqe_segment_next next;
uint32_t ctrl[2]; /* All "reserved, must be zero" */
struct arbelprm_wqe_segment_data_ptr data[ARBEL_MAX_SCATTER];
} __attribute__ (( packed ));
union arbelprm_completion_entry {
@@ -88,6 +104,7 @@ struct arbel_send_work_queue {
/** An Arbel receive work queue entry */
union arbel_recv_wqe {
struct arbelprm_recv_wqe recv;
uint8_t force_align[ARBEL_RECV_WQE_ALIGN];
} __attribute__ (( packed ));
@@ -113,6 +130,12 @@ struct arbel {
void *uar;
/** Doorbell records */
union arbelprm_doorbell_record *db_rec;
/** Reserved LKey
*
* Used to get unrestricted memory access.
*/
unsigned long reserved_lkey;
};
#endif /* _ARBEL_H */