diff options
| author | Max Gurtovoy <[email protected]> | 2021-03-30 23:01:19 +0000 |
|---|---|---|
| committer | Christoph Hellwig <[email protected]> | 2021-04-02 18:48:28 +0200 |
| commit | 73ffcefcfca047e5c13a3f81d2cf22eff18732c1 (patch) | |
| tree | caac7ac28686a50ac7341a6620123d36c24eadaf | |
| parent | d8e7b462f5b8b93920c6c6a191be887b32306e6b (diff) | |
nvme-tcp: check sgl supported by target
SGLs support is mandatory for NVMe/tcp, make sure that the target is
aligned to the specification.
Signed-off-by: Max Gurtovoy <[email protected]>
Reviewed-by: Chaitanya Kulkarni <[email protected]>
Signed-off-by: Christoph Hellwig <[email protected]>
| -rw-r--r-- | drivers/nvme/host/tcp.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/nvme/host/tcp.c b/drivers/nvme/host/tcp.c index b9e8ea3a7501..8e55d8bc0c50 100644 --- a/drivers/nvme/host/tcp.c +++ b/drivers/nvme/host/tcp.c @@ -1966,6 +1966,11 @@ static int nvme_tcp_setup_ctrl(struct nvme_ctrl *ctrl, bool new) goto destroy_admin; } + if (!(ctrl->sgls & ((1 << 0) | (1 << 1)))) { + dev_err(ctrl->device, "Mandatory sgls are not supported!\n"); + goto destroy_admin; + } + if (opts->queue_size > ctrl->sqsize + 1) dev_warn(ctrl->device, "queue_size %zu > ctrl sqsize %u, clamping down\n", |