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iser-target: Kill struct isert_rdma_wr
There is exactly one instance per struct isert_cmd, so merge the two to simplify everyones life. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Sagi Grimberg <sagig@mellanox.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
This commit is contained in:
parent
9679cc51eb
commit
d1ca2ed7dc
@ -49,13 +49,11 @@ static struct workqueue_struct *isert_release_wq;
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static void
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isert_unmap_cmd(struct isert_cmd *isert_cmd, struct isert_conn *isert_conn);
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static int
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isert_map_rdma(struct iscsi_conn *conn, struct iscsi_cmd *cmd,
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struct isert_rdma_wr *wr);
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isert_map_rdma(struct isert_cmd *isert_cmd, struct iscsi_conn *conn);
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static void
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isert_unreg_rdma(struct isert_cmd *isert_cmd, struct isert_conn *isert_conn);
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static int
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isert_reg_rdma(struct iscsi_conn *conn, struct iscsi_cmd *cmd,
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struct isert_rdma_wr *wr);
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isert_reg_rdma(struct isert_cmd *isert_cmd, struct iscsi_conn *conn);
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static int
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isert_put_response(struct iscsi_conn *conn, struct iscsi_cmd *cmd);
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static int
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@ -1084,7 +1082,7 @@ isert_init_send_wr(struct isert_conn *isert_conn, struct isert_cmd *isert_cmd,
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{
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struct iser_tx_desc *tx_desc = &isert_cmd->tx_desc;
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isert_cmd->rdma_wr.iser_ib_op = ISER_IB_SEND;
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isert_cmd->iser_ib_op = ISER_IB_SEND;
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tx_desc->tx_cqe.done = isert_send_done;
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send_wr->wr_cqe = &tx_desc->tx_cqe;
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@ -1684,54 +1682,50 @@ isert_unmap_data_buf(struct isert_conn *isert_conn, struct isert_data_buf *data)
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static void
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isert_unmap_cmd(struct isert_cmd *isert_cmd, struct isert_conn *isert_conn)
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{
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struct isert_rdma_wr *wr = &isert_cmd->rdma_wr;
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isert_dbg("Cmd %p\n", isert_cmd);
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if (wr->data.sg) {
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if (isert_cmd->data.sg) {
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isert_dbg("Cmd %p unmap_sg op\n", isert_cmd);
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isert_unmap_data_buf(isert_conn, &wr->data);
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isert_unmap_data_buf(isert_conn, &isert_cmd->data);
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}
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if (wr->rdma_wr) {
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if (isert_cmd->rdma_wr) {
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isert_dbg("Cmd %p free send_wr\n", isert_cmd);
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kfree(wr->rdma_wr);
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wr->rdma_wr = NULL;
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kfree(isert_cmd->rdma_wr);
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isert_cmd->rdma_wr = NULL;
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}
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if (wr->ib_sge) {
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if (isert_cmd->ib_sge) {
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isert_dbg("Cmd %p free ib_sge\n", isert_cmd);
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kfree(wr->ib_sge);
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wr->ib_sge = NULL;
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kfree(isert_cmd->ib_sge);
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isert_cmd->ib_sge = NULL;
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}
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}
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static void
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isert_unreg_rdma(struct isert_cmd *isert_cmd, struct isert_conn *isert_conn)
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{
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struct isert_rdma_wr *wr = &isert_cmd->rdma_wr;
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isert_dbg("Cmd %p\n", isert_cmd);
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if (wr->fr_desc) {
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isert_dbg("Cmd %p free fr_desc %p\n", isert_cmd, wr->fr_desc);
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if (wr->fr_desc->ind & ISERT_PROTECTED) {
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isert_unmap_data_buf(isert_conn, &wr->prot);
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wr->fr_desc->ind &= ~ISERT_PROTECTED;
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if (isert_cmd->fr_desc) {
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isert_dbg("Cmd %p free fr_desc %p\n", isert_cmd, isert_cmd->fr_desc);
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if (isert_cmd->fr_desc->ind & ISERT_PROTECTED) {
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isert_unmap_data_buf(isert_conn, &isert_cmd->prot);
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isert_cmd->fr_desc->ind &= ~ISERT_PROTECTED;
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}
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spin_lock_bh(&isert_conn->pool_lock);
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list_add_tail(&wr->fr_desc->list, &isert_conn->fr_pool);
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list_add_tail(&isert_cmd->fr_desc->list, &isert_conn->fr_pool);
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spin_unlock_bh(&isert_conn->pool_lock);
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wr->fr_desc = NULL;
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isert_cmd->fr_desc = NULL;
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}
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if (wr->data.sg) {
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if (isert_cmd->data.sg) {
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isert_dbg("Cmd %p unmap_sg op\n", isert_cmd);
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isert_unmap_data_buf(isert_conn, &wr->data);
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isert_unmap_data_buf(isert_conn, &isert_cmd->data);
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}
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wr->ib_sge = NULL;
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wr->rdma_wr = NULL;
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isert_cmd->ib_sge = NULL;
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isert_cmd->rdma_wr = NULL;
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}
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static void
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@ -1889,7 +1883,6 @@ isert_rdma_write_done(struct ib_cq *cq, struct ib_wc *wc)
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struct isert_device *device = isert_conn->device;
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struct iser_tx_desc *desc = cqe_to_tx_desc(wc->wr_cqe);
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struct isert_cmd *isert_cmd = desc->isert_cmd;
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struct isert_rdma_wr *wr = &isert_cmd->rdma_wr;
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struct se_cmd *cmd = &isert_cmd->iscsi_cmd->se_cmd;
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int ret = 0;
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@ -1903,13 +1896,14 @@ isert_rdma_write_done(struct ib_cq *cq, struct ib_wc *wc)
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isert_dbg("Cmd %p\n", isert_cmd);
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if (wr->fr_desc && wr->fr_desc->ind & ISERT_PROTECTED) {
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ret = isert_check_pi_status(cmd, wr->fr_desc->pi_ctx->sig_mr);
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wr->fr_desc->ind &= ~ISERT_PROTECTED;
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if (isert_cmd->fr_desc && isert_cmd->fr_desc->ind & ISERT_PROTECTED) {
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ret = isert_check_pi_status(cmd,
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isert_cmd->fr_desc->pi_ctx->sig_mr);
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isert_cmd->fr_desc->ind &= ~ISERT_PROTECTED;
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}
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device->unreg_rdma_mem(isert_cmd, isert_conn);
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wr->rdma_wr_num = 0;
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isert_cmd->rdma_wr_num = 0;
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if (ret)
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transport_send_check_condition_and_sense(cmd, cmd->pi_err, 0);
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else
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@ -1923,7 +1917,6 @@ isert_rdma_read_done(struct ib_cq *cq, struct ib_wc *wc)
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struct isert_device *device = isert_conn->device;
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struct iser_tx_desc *desc = cqe_to_tx_desc(wc->wr_cqe);
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struct isert_cmd *isert_cmd = desc->isert_cmd;
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struct isert_rdma_wr *wr = &isert_cmd->rdma_wr;
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struct iscsi_cmd *cmd = isert_cmd->iscsi_cmd;
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struct se_cmd *se_cmd = &cmd->se_cmd;
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int ret = 0;
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@ -1938,16 +1931,16 @@ isert_rdma_read_done(struct ib_cq *cq, struct ib_wc *wc)
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isert_dbg("Cmd %p\n", isert_cmd);
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if (wr->fr_desc && wr->fr_desc->ind & ISERT_PROTECTED) {
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if (isert_cmd->fr_desc && isert_cmd->fr_desc->ind & ISERT_PROTECTED) {
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ret = isert_check_pi_status(se_cmd,
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wr->fr_desc->pi_ctx->sig_mr);
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wr->fr_desc->ind &= ~ISERT_PROTECTED;
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isert_cmd->fr_desc->pi_ctx->sig_mr);
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isert_cmd->fr_desc->ind &= ~ISERT_PROTECTED;
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}
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iscsit_stop_dataout_timer(cmd);
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device->unreg_rdma_mem(isert_cmd, isert_conn);
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cmd->write_data_done = wr->data.len;
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wr->rdma_wr_num = 0;
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cmd->write_data_done = isert_cmd->data.len;
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isert_cmd->rdma_wr_num = 0;
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isert_dbg("Cmd: %p RDMA_READ comp calling execute_cmd\n", isert_cmd);
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spin_lock_bh(&cmd->istate_lock);
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@ -2335,13 +2328,12 @@ isert_build_rdma_wr(struct isert_conn *isert_conn, struct isert_cmd *isert_cmd,
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}
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static int
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isert_map_rdma(struct iscsi_conn *conn, struct iscsi_cmd *cmd,
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struct isert_rdma_wr *wr)
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isert_map_rdma(struct isert_cmd *isert_cmd, struct iscsi_conn *conn)
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{
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struct iscsi_cmd *cmd = isert_cmd->iscsi_cmd;
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struct se_cmd *se_cmd = &cmd->se_cmd;
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struct isert_cmd *isert_cmd = iscsit_priv_cmd(cmd);
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struct isert_conn *isert_conn = conn->context;
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struct isert_data_buf *data = &wr->data;
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struct isert_data_buf *data = &isert_cmd->data;
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struct ib_rdma_wr *rdma_wr;
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struct ib_sge *ib_sge;
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u32 offset, data_len, data_left, rdma_write_max, va_offset = 0;
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@ -2349,10 +2341,12 @@ isert_map_rdma(struct iscsi_conn *conn, struct iscsi_cmd *cmd,
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isert_cmd->tx_desc.isert_cmd = isert_cmd;
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offset = wr->iser_ib_op == ISER_IB_RDMA_READ ? cmd->write_data_done : 0;
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offset = isert_cmd->iser_ib_op == ISER_IB_RDMA_READ ?
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cmd->write_data_done : 0;
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ret = isert_map_data_buf(isert_conn, isert_cmd, se_cmd->t_data_sg,
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se_cmd->t_data_nents, se_cmd->data_length,
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offset, wr->iser_ib_op, &wr->data);
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offset, isert_cmd->iser_ib_op,
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&isert_cmd->data);
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if (ret)
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return ret;
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@ -2365,45 +2359,44 @@ isert_map_rdma(struct iscsi_conn *conn, struct iscsi_cmd *cmd,
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ret = -ENOMEM;
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goto unmap_cmd;
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}
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wr->ib_sge = ib_sge;
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isert_cmd->ib_sge = ib_sge;
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wr->rdma_wr_num = DIV_ROUND_UP(data->nents, isert_conn->max_sge);
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wr->rdma_wr = kzalloc(sizeof(struct ib_rdma_wr) * wr->rdma_wr_num,
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GFP_KERNEL);
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if (!wr->rdma_wr) {
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isert_dbg("Unable to allocate wr->rdma_wr\n");
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isert_cmd->rdma_wr_num = DIV_ROUND_UP(data->nents, isert_conn->max_sge);
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isert_cmd->rdma_wr = kzalloc(sizeof(struct ib_rdma_wr) *
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isert_cmd->rdma_wr_num, GFP_KERNEL);
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if (!isert_cmd->rdma_wr) {
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isert_dbg("Unable to allocate isert_cmd->rdma_wr\n");
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ret = -ENOMEM;
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goto unmap_cmd;
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}
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wr->isert_cmd = isert_cmd;
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rdma_write_max = isert_conn->max_sge * PAGE_SIZE;
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for (i = 0; i < wr->rdma_wr_num; i++) {
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rdma_wr = &isert_cmd->rdma_wr.rdma_wr[i];
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for (i = 0; i < isert_cmd->rdma_wr_num; i++) {
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rdma_wr = &isert_cmd->rdma_wr[i];
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data_len = min(data_left, rdma_write_max);
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rdma_wr->wr.send_flags = 0;
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if (wr->iser_ib_op == ISER_IB_RDMA_WRITE) {
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if (isert_cmd->iser_ib_op == ISER_IB_RDMA_WRITE) {
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isert_cmd->tx_desc.tx_cqe.done = isert_rdma_write_done;
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rdma_wr->wr.opcode = IB_WR_RDMA_WRITE;
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rdma_wr->remote_addr = isert_cmd->read_va + offset;
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rdma_wr->rkey = isert_cmd->read_stag;
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if (i + 1 == wr->rdma_wr_num)
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if (i + 1 == isert_cmd->rdma_wr_num)
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rdma_wr->wr.next = &isert_cmd->tx_desc.send_wr;
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else
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rdma_wr->wr.next = &wr->rdma_wr[i + 1].wr;
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rdma_wr->wr.next = &isert_cmd->rdma_wr[i + 1].wr;
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} else {
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isert_cmd->tx_desc.tx_cqe.done = isert_rdma_read_done;
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rdma_wr->wr.opcode = IB_WR_RDMA_READ;
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rdma_wr->remote_addr = isert_cmd->write_va + va_offset;
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rdma_wr->rkey = isert_cmd->write_stag;
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if (i + 1 == wr->rdma_wr_num)
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if (i + 1 == isert_cmd->rdma_wr_num)
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rdma_wr->wr.send_flags = IB_SEND_SIGNALED;
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else
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rdma_wr->wr.next = &wr->rdma_wr[i + 1].wr;
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rdma_wr->wr.next = &isert_cmd->rdma_wr[i + 1].wr;
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}
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ib_sge_cnt = isert_build_rdma_wr(isert_conn, isert_cmd, ib_sge,
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@ -2571,10 +2564,10 @@ isert_set_prot_checks(u8 prot_checks)
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static int
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isert_reg_sig_mr(struct isert_conn *isert_conn,
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struct se_cmd *se_cmd,
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struct isert_rdma_wr *rdma_wr,
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struct isert_cmd *isert_cmd,
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struct fast_reg_descriptor *fr_desc)
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{
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struct se_cmd *se_cmd = &isert_cmd->iscsi_cmd->se_cmd;
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struct ib_sig_handover_wr sig_wr;
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struct ib_send_wr inv_wr, *bad_wr, *wr = NULL;
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struct pi_context *pi_ctx = fr_desc->pi_ctx;
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@ -2596,13 +2589,13 @@ isert_reg_sig_mr(struct isert_conn *isert_conn,
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memset(&sig_wr, 0, sizeof(sig_wr));
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sig_wr.wr.opcode = IB_WR_REG_SIG_MR;
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sig_wr.wr.wr_cqe = NULL;
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sig_wr.wr.sg_list = &rdma_wr->ib_sg[DATA];
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sig_wr.wr.sg_list = &isert_cmd->ib_sg[DATA];
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sig_wr.wr.num_sge = 1;
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sig_wr.access_flags = IB_ACCESS_LOCAL_WRITE;
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sig_wr.sig_attrs = &sig_attrs;
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sig_wr.sig_mr = pi_ctx->sig_mr;
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if (se_cmd->t_prot_sg)
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sig_wr.prot = &rdma_wr->ib_sg[PROT];
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sig_wr.prot = &isert_cmd->ib_sg[PROT];
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if (!wr)
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wr = &sig_wr.wr;
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@ -2616,35 +2609,34 @@ isert_reg_sig_mr(struct isert_conn *isert_conn,
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}
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fr_desc->ind &= ~ISERT_SIG_KEY_VALID;
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rdma_wr->ib_sg[SIG].lkey = pi_ctx->sig_mr->lkey;
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rdma_wr->ib_sg[SIG].addr = 0;
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rdma_wr->ib_sg[SIG].length = se_cmd->data_length;
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isert_cmd->ib_sg[SIG].lkey = pi_ctx->sig_mr->lkey;
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isert_cmd->ib_sg[SIG].addr = 0;
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isert_cmd->ib_sg[SIG].length = se_cmd->data_length;
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if (se_cmd->prot_op != TARGET_PROT_DIN_STRIP &&
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se_cmd->prot_op != TARGET_PROT_DOUT_INSERT)
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/*
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* We have protection guards on the wire
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* so we need to set a larget transfer
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*/
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rdma_wr->ib_sg[SIG].length += se_cmd->prot_length;
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isert_cmd->ib_sg[SIG].length += se_cmd->prot_length;
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isert_dbg("sig_sge: addr: 0x%llx length: %u lkey: %x\n",
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rdma_wr->ib_sg[SIG].addr, rdma_wr->ib_sg[SIG].length,
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rdma_wr->ib_sg[SIG].lkey);
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isert_cmd->ib_sg[SIG].addr, isert_cmd->ib_sg[SIG].length,
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isert_cmd->ib_sg[SIG].lkey);
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err:
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return ret;
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}
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static int
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isert_handle_prot_cmd(struct isert_conn *isert_conn,
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struct isert_cmd *isert_cmd,
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struct isert_rdma_wr *wr)
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struct isert_cmd *isert_cmd)
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{
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struct isert_device *device = isert_conn->device;
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struct se_cmd *se_cmd = &isert_cmd->iscsi_cmd->se_cmd;
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int ret;
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if (!wr->fr_desc->pi_ctx) {
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ret = isert_create_pi_ctx(wr->fr_desc,
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if (!isert_cmd->fr_desc->pi_ctx) {
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ret = isert_create_pi_ctx(isert_cmd->fr_desc,
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device->ib_device,
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device->pd);
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if (ret) {
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@ -2659,16 +2651,20 @@ isert_handle_prot_cmd(struct isert_conn *isert_conn,
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se_cmd->t_prot_sg,
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se_cmd->t_prot_nents,
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se_cmd->prot_length,
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0, wr->iser_ib_op, &wr->prot);
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0,
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isert_cmd->iser_ib_op,
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&isert_cmd->prot);
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if (ret) {
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isert_err("conn %p failed to map protection buffer\n",
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isert_conn);
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return ret;
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}
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memset(&wr->ib_sg[PROT], 0, sizeof(wr->ib_sg[PROT]));
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ret = isert_fast_reg_mr(isert_conn, wr->fr_desc, &wr->prot,
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ISERT_PROT_KEY_VALID, &wr->ib_sg[PROT]);
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memset(&isert_cmd->ib_sg[PROT], 0, sizeof(isert_cmd->ib_sg[PROT]));
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ret = isert_fast_reg_mr(isert_conn, isert_cmd->fr_desc,
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&isert_cmd->prot,
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ISERT_PROT_KEY_VALID,
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&isert_cmd->ib_sg[PROT]);
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if (ret) {
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isert_err("conn %p failed to fast reg mr\n",
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isert_conn);
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@ -2676,29 +2672,28 @@ isert_handle_prot_cmd(struct isert_conn *isert_conn,
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}
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}
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ret = isert_reg_sig_mr(isert_conn, se_cmd, wr, wr->fr_desc);
|
||||
ret = isert_reg_sig_mr(isert_conn, isert_cmd, isert_cmd->fr_desc);
|
||||
if (ret) {
|
||||
isert_err("conn %p failed to fast reg mr\n",
|
||||
isert_conn);
|
||||
goto unmap_prot_cmd;
|
||||
}
|
||||
wr->fr_desc->ind |= ISERT_PROTECTED;
|
||||
isert_cmd->fr_desc->ind |= ISERT_PROTECTED;
|
||||
|
||||
return 0;
|
||||
|
||||
unmap_prot_cmd:
|
||||
if (se_cmd->t_prot_sg)
|
||||
isert_unmap_data_buf(isert_conn, &wr->prot);
|
||||
isert_unmap_data_buf(isert_conn, &isert_cmd->prot);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int
|
||||
isert_reg_rdma(struct iscsi_conn *conn, struct iscsi_cmd *cmd,
|
||||
struct isert_rdma_wr *wr)
|
||||
isert_reg_rdma(struct isert_cmd *isert_cmd, struct iscsi_conn *conn)
|
||||
{
|
||||
struct iscsi_cmd *cmd = isert_cmd->iscsi_cmd;
|
||||
struct se_cmd *se_cmd = &cmd->se_cmd;
|
||||
struct isert_cmd *isert_cmd = iscsit_priv_cmd(cmd);
|
||||
struct isert_conn *isert_conn = conn->context;
|
||||
struct fast_reg_descriptor *fr_desc = NULL;
|
||||
struct ib_rdma_wr *rdma_wr;
|
||||
@ -2709,49 +2704,51 @@ isert_reg_rdma(struct iscsi_conn *conn, struct iscsi_cmd *cmd,
|
||||
|
||||
isert_cmd->tx_desc.isert_cmd = isert_cmd;
|
||||
|
||||
offset = wr->iser_ib_op == ISER_IB_RDMA_READ ? cmd->write_data_done : 0;
|
||||
offset = isert_cmd->iser_ib_op == ISER_IB_RDMA_READ ?
|
||||
cmd->write_data_done : 0;
|
||||
ret = isert_map_data_buf(isert_conn, isert_cmd, se_cmd->t_data_sg,
|
||||
se_cmd->t_data_nents, se_cmd->data_length,
|
||||
offset, wr->iser_ib_op, &wr->data);
|
||||
offset, isert_cmd->iser_ib_op,
|
||||
&isert_cmd->data);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
if (wr->data.dma_nents != 1 || isert_prot_cmd(isert_conn, se_cmd)) {
|
||||
if (isert_cmd->data.dma_nents != 1 ||
|
||||
isert_prot_cmd(isert_conn, se_cmd)) {
|
||||
spin_lock_irqsave(&isert_conn->pool_lock, flags);
|
||||
fr_desc = list_first_entry(&isert_conn->fr_pool,
|
||||
struct fast_reg_descriptor, list);
|
||||
list_del(&fr_desc->list);
|
||||
spin_unlock_irqrestore(&isert_conn->pool_lock, flags);
|
||||
wr->fr_desc = fr_desc;
|
||||
isert_cmd->fr_desc = fr_desc;
|
||||
}
|
||||
|
||||
ret = isert_fast_reg_mr(isert_conn, fr_desc, &wr->data,
|
||||
ISERT_DATA_KEY_VALID, &wr->ib_sg[DATA]);
|
||||
ret = isert_fast_reg_mr(isert_conn, fr_desc, &isert_cmd->data,
|
||||
ISERT_DATA_KEY_VALID, &isert_cmd->ib_sg[DATA]);
|
||||
if (ret)
|
||||
goto unmap_cmd;
|
||||
|
||||
if (isert_prot_cmd(isert_conn, se_cmd)) {
|
||||
ret = isert_handle_prot_cmd(isert_conn, isert_cmd, wr);
|
||||
ret = isert_handle_prot_cmd(isert_conn, isert_cmd);
|
||||
if (ret)
|
||||
goto unmap_cmd;
|
||||
|
||||
ib_sg = &wr->ib_sg[SIG];
|
||||
ib_sg = &isert_cmd->ib_sg[SIG];
|
||||
} else {
|
||||
ib_sg = &wr->ib_sg[DATA];
|
||||
ib_sg = &isert_cmd->ib_sg[DATA];
|
||||
}
|
||||
|
||||
memcpy(&wr->s_ib_sge, ib_sg, sizeof(*ib_sg));
|
||||
wr->ib_sge = &wr->s_ib_sge;
|
||||
wr->rdma_wr_num = 1;
|
||||
memset(&wr->s_rdma_wr, 0, sizeof(wr->s_rdma_wr));
|
||||
wr->rdma_wr = &wr->s_rdma_wr;
|
||||
wr->isert_cmd = isert_cmd;
|
||||
memcpy(&isert_cmd->s_ib_sge, ib_sg, sizeof(*ib_sg));
|
||||
isert_cmd->ib_sge = &isert_cmd->s_ib_sge;
|
||||
isert_cmd->rdma_wr_num = 1;
|
||||
memset(&isert_cmd->s_rdma_wr, 0, sizeof(isert_cmd->s_rdma_wr));
|
||||
isert_cmd->rdma_wr = &isert_cmd->s_rdma_wr;
|
||||
|
||||
rdma_wr = &isert_cmd->rdma_wr.s_rdma_wr;
|
||||
rdma_wr->wr.sg_list = &wr->s_ib_sge;
|
||||
rdma_wr = &isert_cmd->s_rdma_wr;
|
||||
rdma_wr->wr.sg_list = &isert_cmd->s_ib_sge;
|
||||
rdma_wr->wr.num_sge = 1;
|
||||
rdma_wr->wr.wr_cqe = &isert_cmd->tx_desc.tx_cqe;
|
||||
if (wr->iser_ib_op == ISER_IB_RDMA_WRITE) {
|
||||
if (isert_cmd->iser_ib_op == ISER_IB_RDMA_WRITE) {
|
||||
isert_cmd->tx_desc.tx_cqe.done = isert_rdma_write_done;
|
||||
|
||||
rdma_wr->wr.opcode = IB_WR_RDMA_WRITE;
|
||||
@ -2776,7 +2773,7 @@ unmap_cmd:
|
||||
list_add_tail(&fr_desc->list, &isert_conn->fr_pool);
|
||||
spin_unlock_irqrestore(&isert_conn->pool_lock, flags);
|
||||
}
|
||||
isert_unmap_data_buf(isert_conn, &wr->data);
|
||||
isert_unmap_data_buf(isert_conn, &isert_cmd->data);
|
||||
|
||||
return ret;
|
||||
}
|
||||
@ -2786,7 +2783,6 @@ isert_put_datain(struct iscsi_conn *conn, struct iscsi_cmd *cmd)
|
||||
{
|
||||
struct se_cmd *se_cmd = &cmd->se_cmd;
|
||||
struct isert_cmd *isert_cmd = iscsit_priv_cmd(cmd);
|
||||
struct isert_rdma_wr *wr = &isert_cmd->rdma_wr;
|
||||
struct isert_conn *isert_conn = conn->context;
|
||||
struct isert_device *device = isert_conn->device;
|
||||
struct ib_send_wr *wr_failed;
|
||||
@ -2795,8 +2791,8 @@ isert_put_datain(struct iscsi_conn *conn, struct iscsi_cmd *cmd)
|
||||
isert_dbg("Cmd: %p RDMA_WRITE data_length: %u\n",
|
||||
isert_cmd, se_cmd->data_length);
|
||||
|
||||
wr->iser_ib_op = ISER_IB_RDMA_WRITE;
|
||||
rc = device->reg_rdma_mem(conn, cmd, wr);
|
||||
isert_cmd->iser_ib_op = ISER_IB_RDMA_WRITE;
|
||||
rc = device->reg_rdma_mem(isert_cmd, conn);
|
||||
if (rc) {
|
||||
isert_err("Cmd: %p failed to prepare RDMA res\n", isert_cmd);
|
||||
return rc;
|
||||
@ -2813,8 +2809,8 @@ isert_put_datain(struct iscsi_conn *conn, struct iscsi_cmd *cmd)
|
||||
isert_init_tx_hdrs(isert_conn, &isert_cmd->tx_desc);
|
||||
isert_init_send_wr(isert_conn, isert_cmd,
|
||||
&isert_cmd->tx_desc.send_wr);
|
||||
isert_cmd->rdma_wr.s_rdma_wr.wr.next = &isert_cmd->tx_desc.send_wr;
|
||||
wr->rdma_wr_num += 1;
|
||||
isert_cmd->s_rdma_wr.wr.next = &isert_cmd->tx_desc.send_wr;
|
||||
isert_cmd->rdma_wr_num += 1;
|
||||
|
||||
rc = isert_post_recv(isert_conn, isert_cmd->rx_desc);
|
||||
if (rc) {
|
||||
@ -2823,7 +2819,7 @@ isert_put_datain(struct iscsi_conn *conn, struct iscsi_cmd *cmd)
|
||||
}
|
||||
}
|
||||
|
||||
rc = ib_post_send(isert_conn->qp, &wr->rdma_wr->wr, &wr_failed);
|
||||
rc = ib_post_send(isert_conn->qp, &isert_cmd->rdma_wr->wr, &wr_failed);
|
||||
if (rc)
|
||||
isert_warn("ib_post_send() failed for IB_WR_RDMA_WRITE\n");
|
||||
|
||||
@ -2842,7 +2838,6 @@ isert_get_dataout(struct iscsi_conn *conn, struct iscsi_cmd *cmd, bool recovery)
|
||||
{
|
||||
struct se_cmd *se_cmd = &cmd->se_cmd;
|
||||
struct isert_cmd *isert_cmd = iscsit_priv_cmd(cmd);
|
||||
struct isert_rdma_wr *wr = &isert_cmd->rdma_wr;
|
||||
struct isert_conn *isert_conn = conn->context;
|
||||
struct isert_device *device = isert_conn->device;
|
||||
struct ib_send_wr *wr_failed;
|
||||
@ -2850,14 +2845,14 @@ isert_get_dataout(struct iscsi_conn *conn, struct iscsi_cmd *cmd, bool recovery)
|
||||
|
||||
isert_dbg("Cmd: %p RDMA_READ data_length: %u write_data_done: %u\n",
|
||||
isert_cmd, se_cmd->data_length, cmd->write_data_done);
|
||||
wr->iser_ib_op = ISER_IB_RDMA_READ;
|
||||
rc = device->reg_rdma_mem(conn, cmd, wr);
|
||||
isert_cmd->iser_ib_op = ISER_IB_RDMA_READ;
|
||||
rc = device->reg_rdma_mem(isert_cmd, conn);
|
||||
if (rc) {
|
||||
isert_err("Cmd: %p failed to prepare RDMA res\n", isert_cmd);
|
||||
return rc;
|
||||
}
|
||||
|
||||
rc = ib_post_send(isert_conn->qp, &wr->rdma_wr->wr, &wr_failed);
|
||||
rc = ib_post_send(isert_conn->qp, &isert_cmd->rdma_wr->wr, &wr_failed);
|
||||
if (rc)
|
||||
isert_warn("ib_post_send() failed for IB_WR_RDMA_READ\n");
|
||||
|
||||
|
@ -155,20 +155,6 @@ enum {
|
||||
SIG = 2,
|
||||
};
|
||||
|
||||
struct isert_rdma_wr {
|
||||
struct isert_cmd *isert_cmd;
|
||||
enum iser_ib_op_code iser_ib_op;
|
||||
struct ib_sge *ib_sge;
|
||||
struct ib_sge s_ib_sge;
|
||||
int rdma_wr_num;
|
||||
struct ib_rdma_wr *rdma_wr;
|
||||
struct ib_rdma_wr s_rdma_wr;
|
||||
struct ib_sge ib_sg[3];
|
||||
struct isert_data_buf data;
|
||||
struct isert_data_buf prot;
|
||||
struct fast_reg_descriptor *fr_desc;
|
||||
};
|
||||
|
||||
struct isert_cmd {
|
||||
uint32_t read_stag;
|
||||
uint32_t write_stag;
|
||||
@ -181,7 +167,16 @@ struct isert_cmd {
|
||||
struct iscsi_cmd *iscsi_cmd;
|
||||
struct iser_tx_desc tx_desc;
|
||||
struct iser_rx_desc *rx_desc;
|
||||
struct isert_rdma_wr rdma_wr;
|
||||
enum iser_ib_op_code iser_ib_op;
|
||||
struct ib_sge *ib_sge;
|
||||
struct ib_sge s_ib_sge;
|
||||
int rdma_wr_num;
|
||||
struct ib_rdma_wr *rdma_wr;
|
||||
struct ib_rdma_wr s_rdma_wr;
|
||||
struct ib_sge ib_sg[3];
|
||||
struct isert_data_buf data;
|
||||
struct isert_data_buf prot;
|
||||
struct fast_reg_descriptor *fr_desc;
|
||||
struct work_struct comp_work;
|
||||
struct scatterlist sg;
|
||||
};
|
||||
@ -247,9 +242,8 @@ struct isert_device {
|
||||
struct isert_comp *comps;
|
||||
int comps_used;
|
||||
struct list_head dev_node;
|
||||
int (*reg_rdma_mem)(struct iscsi_conn *conn,
|
||||
struct iscsi_cmd *cmd,
|
||||
struct isert_rdma_wr *wr);
|
||||
int (*reg_rdma_mem)(struct isert_cmd *isert_cmd,
|
||||
struct iscsi_conn *conn);
|
||||
void (*unreg_rdma_mem)(struct isert_cmd *isert_cmd,
|
||||
struct isert_conn *isert_conn);
|
||||
};
|
||||
|
Loading…
Reference in New Issue
Block a user