Commit afa0e13b authored by Ram Amrani's avatar Ram Amrani Committed by Doug Ledford
Browse files

qedr: Add support for data path



Implement fastpath verbs like ib_send_post, ib_post_recv and ib_poll_cq.

Signed-off-by: default avatarRajesh Borundia <rajesh.borundia@cavium.com>
Signed-off-by: default avatarRam Amrani <Ram.Amrani@cavium.com>
Signed-off-by: default avatarDoug Ledford <dledford@redhat.com>
parent e0290cce
......@@ -102,7 +102,10 @@ static int qedr_register_device(struct qedr_dev *dev)
QEDR_UVERBS(QUERY_QP) |
QEDR_UVERBS(DESTROY_QP) |
QEDR_UVERBS(REG_MR) |
QEDR_UVERBS(DEREG_MR);
QEDR_UVERBS(DEREG_MR) |
QEDR_UVERBS(POLL_CQ) |
QEDR_UVERBS(POST_SEND) |
QEDR_UVERBS(POST_RECV);
dev->ibdev.phys_port_cnt = 1;
dev->ibdev.num_comp_vectors = dev->num_cnq;
......@@ -141,6 +144,10 @@ static int qedr_register_device(struct qedr_dev *dev)
dev->ibdev.alloc_mr = qedr_alloc_mr;
dev->ibdev.map_mr_sg = qedr_map_mr_sg;
dev->ibdev.poll_cq = qedr_poll_cq;
dev->ibdev.post_send = qedr_post_send;
dev->ibdev.post_recv = qedr_post_recv;
dev->ibdev.dma_device = &dev->pdev->dev;
dev->ibdev.get_link_layer = qedr_link_layer;
......
......@@ -410,6 +410,25 @@ struct qedr_mr {
u32 npages;
};
#define SET_FIELD2(value, name, flag) ((value) |= ((flag) << (name ## _SHIFT)))
#define QEDR_RESP_IMM (RDMA_CQE_RESPONDER_IMM_FLG_MASK << \
RDMA_CQE_RESPONDER_IMM_FLG_SHIFT)
#define QEDR_RESP_RDMA (RDMA_CQE_RESPONDER_RDMA_FLG_MASK << \
RDMA_CQE_RESPONDER_RDMA_FLG_SHIFT)
#define QEDR_RESP_RDMA_IMM (QEDR_RESP_IMM | QEDR_RESP_RDMA)
static inline void qedr_inc_sw_cons(struct qedr_qp_hwq_info *info)
{
info->cons = (info->cons + 1) % info->max_wr;
info->wqe_cons++;
}
static inline void qedr_inc_sw_prod(struct qedr_qp_hwq_info *info)
{
info->prod = (info->prod + 1) % info->max_wr;
}
static inline int qedr_get_dmac(struct qedr_dev *dev,
struct ib_ah_attr *ah_attr, u8 *mac_addr)
{
......
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......@@ -81,4 +81,9 @@ int qedr_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg,
struct ib_mr *qedr_alloc_mr(struct ib_pd *pd, enum ib_mr_type mr_type,
u32 max_num_sg);
int qedr_poll_cq(struct ib_cq *, int num_entries, struct ib_wc *wc);
int qedr_post_send(struct ib_qp *, struct ib_send_wr *,
struct ib_send_wr **bad_wr);
int qedr_post_recv(struct ib_qp *, struct ib_recv_wr *,
struct ib_recv_wr **bad_wr);
#endif
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