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| author | Sagi Grimberg <sagi@lightbitslabs.com> | 2018-12-03 17:52:13 -0800 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2018-12-13 09:58:56 +0100 |
| commit | 20d44e86321299f61bb782a39aaa30f579823f58 (patch) | |
| tree | 3949c9449a568956a805eb0efca207459daef863 /drivers/nvme | |
| parent | 3b49fa807284ec30669a95fd5f3806e127d29f4d (diff) | |
| download | linux-stable-20d44e86321299f61bb782a39aaa30f579823f58.tar.gz linux-stable-20d44e86321299f61bb782a39aaa30f579823f58.tar.bz2 linux-stable-20d44e86321299f61bb782a39aaa30f579823f58.zip | |
nvme-fabrics: allow user passing data digest
Data digest is a nvme-tcp specific feature, but nothing prevents other
transports reusing the concept so do not associate with tcp transport
solely.
Signed-off-by: Sagi Grimberg <sagi@lightbitslabs.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'drivers/nvme')
| -rw-r--r-- | drivers/nvme/host/fabrics.c | 5 | ||||
| -rw-r--r-- | drivers/nvme/host/fabrics.h | 2 |
2 files changed, 7 insertions, 0 deletions
diff --git a/drivers/nvme/host/fabrics.c b/drivers/nvme/host/fabrics.c index 4272f8a95db3..9c62c6838b76 100644 --- a/drivers/nvme/host/fabrics.c +++ b/drivers/nvme/host/fabrics.c @@ -615,6 +615,7 @@ static const match_table_t opt_tokens = { { NVMF_OPT_DUP_CONNECT, "duplicate_connect" }, { NVMF_OPT_DISABLE_SQFLOW, "disable_sqflow" }, { NVMF_OPT_HDR_DIGEST, "hdr_digest" }, + { NVMF_OPT_DATA_DIGEST, "data_digest" }, { NVMF_OPT_ERR, NULL } }; @@ -635,6 +636,7 @@ static int nvmf_parse_options(struct nvmf_ctrl_options *opts, opts->kato = NVME_DEFAULT_KATO; opts->duplicate_connect = false; opts->hdr_digest = false; + opts->data_digest = false; options = o = kstrdup(buf, GFP_KERNEL); if (!options) @@ -832,6 +834,9 @@ static int nvmf_parse_options(struct nvmf_ctrl_options *opts, case NVMF_OPT_HDR_DIGEST: opts->hdr_digest = true; break; + case NVMF_OPT_DATA_DIGEST: + opts->data_digest = true; + break; default: pr_warn("unknown parameter or missing value '%s' in ctrl creation request\n", p); diff --git a/drivers/nvme/host/fabrics.h b/drivers/nvme/host/fabrics.h index a6127f1a9e8e..524a02a67817 100644 --- a/drivers/nvme/host/fabrics.h +++ b/drivers/nvme/host/fabrics.h @@ -60,6 +60,7 @@ enum { NVMF_OPT_DUP_CONNECT = 1 << 13, NVMF_OPT_DISABLE_SQFLOW = 1 << 14, NVMF_OPT_HDR_DIGEST = 1 << 15, + NVMF_OPT_DATA_DIGEST = 1 << 16, }; /** @@ -105,6 +106,7 @@ struct nvmf_ctrl_options { int max_reconnects; bool disable_sqflow; bool hdr_digest; + bool data_digest; }; /* |