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| author |   Michal Krakowiak <michal.krakowiak@linux.intel.com> | 2021-01-04 16:53:43 +0100 |
|---|---|---|
| committer |   Christoph Hellwig <hch@lst.de> | 2021-02-02 10:26:12 +0100 |
| commit | 3a98c51a24825173455c479822aa2f89fecbe6af (patch) | |
| tree | cd7c94616e2c381884c1108363de4d4e6c4d786e /drivers/nvme | |
| parent | nvme: update enumerations for status codes (diff) | |
| download | linux-dev-3a98c51a24825173455c479822aa2f89fecbe6af.tar.xz linux-dev-3a98c51a24825173455c479822aa2f89fecbe6af.zip | |
nvme: parse format nvm command details when tracing
Add detailed parsing of format nvm admin command to make the
trace log more consistent and human-readable.
Signed-off-by: Michal Krakowiak <michal.krakowiak@intel.com>
Acked-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Minwoo Im <minwoo.im.dev@gmail.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'drivers/nvme')
| -rw-r--r-- | drivers/nvme/host/trace.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/nvme/host/trace.c b/drivers/nvme/host/trace.c index 5c3cb6928f3c..e0400de713b5 100644 --- a/drivers/nvme/host/trace.c +++ b/drivers/nvme/host/trace.c @@ -102,6 +102,23 @@ static const char *nvme_trace_get_lba_status(struct trace_seq *p, return ret; } +static const char *nvme_trace_admin_format_nvm(struct trace_seq *p, u8 *cdw10) +{ + const char *ret = trace_seq_buffer_ptr(p); + u8 lbaf = cdw10[0] & 0xF; + u8 mset = (cdw10[0] >> 4) & 0x1; + u8 pi = (cdw10[0] >> 5) & 0x7; + u8 pil = cdw10[1] & 0x1; + u8 ses = (cdw10[1] >> 1) & 0x7; + + trace_seq_printf(p, "lbaf=%u, mset=%u, pi=%u, pil=%u, ses=%u", + lbaf, mset, pi, pil, ses); + + trace_seq_putc(p, 0); + + return ret; +} + static const char *nvme_trace_read_write(struct trace_seq *p, u8 *cdw10) { const char *ret = trace_seq_buffer_ptr(p); @@ -159,6 +176,8 @@ const char *nvme_trace_parse_admin_cmd(struct trace_seq *p, return nvme_trace_admin_get_features(p, cdw10); case nvme_admin_get_lba_status: return nvme_trace_get_lba_status(p, cdw10); + case nvme_admin_format_nvm: + return nvme_trace_admin_format_nvm(p, cdw10); default: return nvme_trace_common(p, cdw10); } |