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authorMichal Krakowiak2021-01-04 16:53:43 +0100
committerChristoph Hellwig2021-02-02 10:26:12 +0100
commit3a98c51a24825173455c479822aa2f89fecbe6af (patch)
treecd7c94616e2c381884c1108363de4d4e6c4d786e /drivers/nvme
parent3254899e0b52f10b9a3e7db4d10f081f60705ba9 (diff)
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.c19
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);
}