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| author | Linjun Bao <meljbao@gmail.com> | 2022-08-11 10:40:24 +0300 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2022-09-19 12:33:53 +0300 |
| commit | 1abc696174f1ba27c9563c722029373e1a692933 (patch) | |
| tree | 3a46a8bcc5c3325355acd7c69937c9d3c6b6fdba /drivers/nvme/host | |
| parent | 91418cc4fd8f8e2e21b409eb8983d074359c8be6 (diff) | |
| download | linux-1abc696174f1ba27c9563c722029373e1a692933.tar.xz | |
nvme: add comment for unaligned "fake" nqn
Current "fake" nqn field is "nqn.2014.08.org.nvmexpress:", it is
not aligned with the canonical version for history reasons.
Signed-off-by: Linjun Bao <meljbao@gmail.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'drivers/nvme/host')
| -rw-r--r-- | drivers/nvme/host/core.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index af367b22871b..112881664695 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -2704,7 +2704,11 @@ static void nvme_init_subnqn(struct nvme_subsystem *subsys, struct nvme_ctrl *ct dev_warn(ctrl->device, "missing or invalid SUBNQN field.\n"); } - /* Generate a "fake" NQN per Figure 254 in NVMe 1.3 + ECN 001 */ + /* + * Generate a "fake" NQN similar to the one in Section 4.5 of the NVMe + * Base Specification 2.0. It is slightly different from the format + * specified there due to historic reasons, and we can't change it now. + */ off = snprintf(subsys->subnqn, NVMF_NQN_SIZE, "nqn.2014.08.org.nvmexpress:%04x%04x", le16_to_cpu(id->vid), le16_to_cpu(id->ssvid)); |