diff options
| author | Sagi Grimberg <sagi@grimberg.me> | 2017-07-10 09:22:37 +0300 |
|---|---|---|
| committer | Sagi Grimberg <sagi@grimberg.me> | 2017-08-28 23:00:35 +0300 |
| commit | 68e16fcfaf9bbde573e89f783cf1ca60acb49cf5 (patch) | |
| tree | e1834014c7e4ee5348b98eb7465826ea6e3973ec /drivers/nvme | |
| parent | 41e8cfa117cee46a732436dd303de4772c60965c (diff) | |
nvme-rdma: introduce nvme_rdma_start_queue
This should pair with nvme_rdma_stop_queue. While this is not a complete
inverse, it still pairs up pretty well because in fabrics we don't have a
disconnect capsule (yet) but we simply teardown the transport association.
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'drivers/nvme')
| -rw-r--r-- | drivers/nvme/host/rdma.c | 36 |
1 files changed, 24 insertions, 12 deletions
diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c index d87874e4902d..09c4ea8332d7 100644 --- a/drivers/nvme/host/rdma.c +++ b/drivers/nvme/host/rdma.c @@ -594,24 +594,38 @@ static void nvme_rdma_stop_io_queues(struct nvme_rdma_ctrl *ctrl) nvme_rdma_stop_queue(&ctrl->queues[i]); } -static int nvme_rdma_connect_io_queues(struct nvme_rdma_ctrl *ctrl) +static int nvme_rdma_start_queue(struct nvme_rdma_ctrl *ctrl, int idx) +{ + int ret; + + if (idx) + ret = nvmf_connect_io_queue(&ctrl->ctrl, idx); + else + ret = nvmf_connect_admin_queue(&ctrl->ctrl); + + if (!ret) + set_bit(NVME_RDMA_Q_LIVE, &ctrl->queues[idx].flags); + else + dev_info(ctrl->ctrl.device, + "failed to connect queue: %d ret=%d\n", idx, ret); + return ret; +} + +static int nvme_rdma_start_io_queues(struct nvme_rdma_ctrl *ctrl) { int i, ret = 0; for (i = 1; i < ctrl->ctrl.queue_count; i++) { - ret = nvmf_connect_io_queue(&ctrl->ctrl, i); - if (ret) { - dev_info(ctrl->ctrl.device, - "failed to connect i/o queue: %d\n", ret); + ret = nvme_rdma_start_queue(ctrl, i); + if (ret) goto out_stop_queues; - } - set_bit(NVME_RDMA_Q_LIVE, &ctrl->queues[i].flags); } return 0; out_stop_queues: - nvme_rdma_stop_io_queues(ctrl); + for (i--; i >= 1; i--) + nvme_rdma_stop_queue(&ctrl->queues[i]); return ret; } @@ -759,12 +773,10 @@ static int nvme_rdma_configure_admin_queue(struct nvme_rdma_ctrl *ctrl, goto out_free_queue; } - error = nvmf_connect_admin_queue(&ctrl->ctrl); + error = nvme_rdma_start_queue(ctrl, 0); if (error) goto out_cleanup_queue; - set_bit(NVME_RDMA_Q_LIVE, &ctrl->queues[0].flags); - error = nvmf_reg_read64(&ctrl->ctrl, NVME_REG_CAP, &ctrl->ctrl.cap); if (error) { @@ -845,7 +857,7 @@ static int nvme_rdma_configure_io_queues(struct nvme_rdma_ctrl *ctrl, bool new) ctrl->ctrl.queue_count - 1); } - ret = nvme_rdma_connect_io_queues(ctrl); + ret = nvme_rdma_start_io_queues(ctrl); if (ret) goto out_cleanup_connect_q; |