diff options
Diffstat (limited to 'drivers/infiniband/ulp/rtrs/rtrs.c')
-rw-r--r-- | drivers/infiniband/ulp/rtrs/rtrs.c | 61 |
1 files changed, 23 insertions, 38 deletions
diff --git a/drivers/infiniband/ulp/rtrs/rtrs.c b/drivers/infiniband/ulp/rtrs/rtrs.c index ff1093d6e4bc..2e3a849e0a77 100644 --- a/drivers/infiniband/ulp/rtrs/rtrs.c +++ b/drivers/infiniband/ulp/rtrs/rtrs.c @@ -31,6 +31,7 @@ struct rtrs_iu *rtrs_iu_alloc(u32 queue_size, size_t size, gfp_t gfp_mask, return NULL; for (i = 0; i < queue_size; i++) { iu = &ius[i]; + iu->direction = dir; iu->buf = kzalloc(size, gfp_mask); if (!iu->buf) goto err; @@ -41,17 +42,15 @@ struct rtrs_iu *rtrs_iu_alloc(u32 queue_size, size_t size, gfp_t gfp_mask, iu->cqe.done = done; iu->size = size; - iu->direction = dir; } return ius; err: - rtrs_iu_free(ius, dir, dma_dev, i); + rtrs_iu_free(ius, dma_dev, i); return NULL; } EXPORT_SYMBOL_GPL(rtrs_iu_alloc); -void rtrs_iu_free(struct rtrs_iu *ius, enum dma_data_direction dir, - struct ib_device *ibdev, u32 queue_size) +void rtrs_iu_free(struct rtrs_iu *ius, struct ib_device *ibdev, u32 queue_size) { struct rtrs_iu *iu; int i; @@ -61,7 +60,7 @@ void rtrs_iu_free(struct rtrs_iu *ius, enum dma_data_direction dir, for (i = 0; i < queue_size; i++) { iu = &ius[i]; - ib_dma_unmap_single(ibdev, iu->dma_addr, iu->size, dir); + ib_dma_unmap_single(ibdev, iu->dma_addr, iu->size, iu->direction); kfree(iu->buf); } kfree(ius); @@ -105,6 +104,22 @@ int rtrs_post_recv_empty(struct rtrs_con *con, struct ib_cqe *cqe) } EXPORT_SYMBOL_GPL(rtrs_post_recv_empty); +static int rtrs_post_send(struct ib_qp *qp, struct ib_send_wr *head, + struct ib_send_wr *wr) +{ + if (head) { + struct ib_send_wr *tail = head; + + while (tail->next) + tail = tail->next; + tail->next = wr; + } else { + head = wr; + } + + return ib_post_send(qp, head, NULL); +} + int rtrs_iu_post_send(struct rtrs_con *con, struct rtrs_iu *iu, size_t size, struct ib_send_wr *head) { @@ -127,17 +142,7 @@ int rtrs_iu_post_send(struct rtrs_con *con, struct rtrs_iu *iu, size_t size, .send_flags = IB_SEND_SIGNALED, }; - if (head) { - struct ib_send_wr *tail = head; - - while (tail->next) - tail = tail->next; - tail->next = ≀ - } else { - head = ≀ - } - - return ib_post_send(con->qp, head, NULL); + return rtrs_post_send(con->qp, head, &wr); } EXPORT_SYMBOL_GPL(rtrs_iu_post_send); @@ -169,17 +174,7 @@ int rtrs_iu_post_rdma_write_imm(struct rtrs_con *con, struct rtrs_iu *iu, if (WARN_ON(sge[i].length == 0)) return -EINVAL; - if (head) { - struct ib_send_wr *tail = head; - - while (tail->next) - tail = tail->next; - tail->next = &wr.wr; - } else { - head = &wr.wr; - } - - return ib_post_send(con->qp, head, NULL); + return rtrs_post_send(con->qp, head, &wr.wr); } EXPORT_SYMBOL_GPL(rtrs_iu_post_rdma_write_imm); @@ -196,17 +191,7 @@ int rtrs_post_rdma_write_imm_empty(struct rtrs_con *con, struct ib_cqe *cqe, .ex.imm_data = cpu_to_be32(imm_data), }; - if (head) { - struct ib_send_wr *tail = head; - - while (tail->next) - tail = tail->next; - tail->next = ≀ - } else { - head = ≀ - } - - return ib_post_send(con->qp, head, NULL); + return rtrs_post_send(con->qp, head, &wr); } EXPORT_SYMBOL_GPL(rtrs_post_rdma_write_imm_empty); |