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nvmet: trace: parse Get LBA Status command in detail 

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);
}