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[infiniband] Allow queue pairs to have a custom allocator for receive iobufs

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Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown
2012-08-29 22:11:58 +01:00
parent 96be171be5
commit f747fac3e1
6 changed files with 48 additions and 10 deletions
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16
src/include/ipxe/infiniband.h
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@@ -142,6 +142,16 @@ enum ib_queue_pair_type {
IB_QPT_ETH,
};
/** Infiniband queue pair operations */
struct ib_queue_pair_operations {
/** Allocate receive I/O buffer
*
* @v len Maximum receive length
* @ret iobuf I/O buffer (or NULL if out of memory)
*/
struct io_buffer * ( * alloc_iob ) ( size_t len );
};
/** An Infiniband Queue Pair */
struct ib_queue_pair {
/** Containing Infiniband device */
@@ -169,6 +179,8 @@ struct ib_queue_pair {
struct list_head mgids;
/** Address vector */
struct ib_address_vector av;
/** Queue pair operations */
struct ib_queue_pair_operations *op;
/** Driver private data */
void *drv_priv;
/** Queue owner private data */
@@ -478,8 +490,8 @@ extern void ib_poll_cq ( struct ib_device *ibdev,
extern struct ib_queue_pair *
ib_create_qp ( struct ib_device *ibdev, enum ib_queue_pair_type type,
unsigned int num_send_wqes, struct ib_completion_queue *send_cq,
unsigned int num_recv_wqes,
struct ib_completion_queue *recv_cq );
unsigned int num_recv_wqes, struct ib_completion_queue *recv_cq,
struct ib_queue_pair_operations *op );
extern int ib_modify_qp ( struct ib_device *ibdev, struct ib_queue_pair *qp );
extern void ib_destroy_qp ( struct ib_device *ibdev,
struct ib_queue_pair *qp );