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nvmet: trace: parse Get LBA Status command in detail

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Four different fields are in CDWs of Get LBA Status command which means
it would be great if we can see in detail when tracing in target side
also.

Signed-off-by: Minwoo Im <minwoo.im.dev@gmail.com>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
This commit is contained in:
Minwoo Im 2019-08-04 16:50:50 +09:00 committed by Sagi Grimberg
parent 177b06ed09
commit 42df26d4df
1 changed files with 18 additions and 0 deletions
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18
drivers/nvme/target/trace.c
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@ -33,6 +33,22 @@ static const char *nvmet_trace_admin_get_features(struct trace_seq *p,
return ret;
}
static const char *nvmet_trace_get_lba_status(struct trace_seq *p,
u8 *cdw10)
{
const char *ret = trace_seq_buffer_ptr(p);
u64 slba = get_unaligned_le64(cdw10);
u32 mndw = get_unaligned_le32(cdw10 + 8);
u16 rl = get_unaligned_le16(cdw10 + 12);
u8 atype = cdw10[15];
trace_seq_printf(p, "slba=0x%llx, mndw=0x%x, rl=0x%x, atype=%u",
slba, mndw, rl, atype);
trace_seq_putc(p, 0);
return ret;
}
static const char *nvmet_trace_read_write(struct trace_seq *p, u8 *cdw10)
{
const char *ret = trace_seq_buffer_ptr(p);
@ -80,6 +96,8 @@ const char *nvmet_trace_parse_admin_cmd(struct trace_seq *p,
return nvmet_trace_admin_identify(p, cdw10);
case nvme_admin_get_features:
return nvmet_trace_admin_get_features(p, cdw10);
case nvme_admin_get_lba_status:
return nvmet_trace_get_lba_status(p, cdw10);
default:
return nvmet_trace_common(p, cdw10);
}