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nvmet: add tracing of zns commands

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Add nvme_cmd_zone_append, nvme_cmd_zone_mgmt_send and
nvme_cmd_zone_mgmt_recv parse to nvme target tracing.

Signed-off-by: Guixin Liu <kanie@linux.alibaba.com>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Keith Busch <kbusch@kernel.org>
This commit is contained in:
Guixin Liu 2024-02-28 16:37:55 +08:00 committed by Keith Busch
parent 8fc3b0f1f4
commit 2bc9174309
1 changed files with 66 additions and 0 deletions
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66
drivers/nvme/target/trace.c
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@ -119,6 +119,67 @@ const char *nvmet_trace_parse_admin_cmd(struct trace_seq *p,
}
}
static const char *nvmet_trace_zone_mgmt_send(struct trace_seq *p, u8 *cdw10)
{
static const char * const zsa_strs[] = {
[0x01] = "close zone",
[0x02] = "finish zone",
[0x03] = "open zone",
[0x04] = "reset zone",
[0x05] = "offline zone",
[0x10] = "set zone descriptor extension"
};
const char *ret = trace_seq_buffer_ptr(p);
u64 slba = get_unaligned_le64(cdw10);
const char *zsa_str;
u8 zsa = cdw10[12];
u8 all = cdw10[13];
if (zsa < ARRAY_SIZE(zsa_strs) && zsa_strs[zsa])
zsa_str = zsa_strs[zsa];
else
zsa_str = "reserved";
trace_seq_printf(p, "slba=%llu, zsa=%u:%s, all=%u",
slba, zsa, zsa_str, all);
trace_seq_putc(p, 0);
return ret;
}
static const char *nvmet_trace_zone_mgmt_recv(struct trace_seq *p, u8 *cdw10)
{
static const char * const zrasf_strs[] = {
[0x00] = "list all zones",
[0x01] = "list the zones in the ZSE: Empty state",
[0x02] = "list the zones in the ZSIO: Implicitly Opened state",
[0x03] = "list the zones in the ZSEO: Explicitly Opened state",
[0x04] = "list the zones in the ZSC: Closed state",
[0x05] = "list the zones in the ZSF: Full state",
[0x06] = "list the zones in the ZSRO: Read Only state",
[0x07] = "list the zones in the ZSO: Offline state",
[0x09] = "list the zones that have the zone attribute"
};
const char *ret = trace_seq_buffer_ptr(p);
u64 slba = get_unaligned_le64(cdw10);
u32 numd = get_unaligned_le32(&cdw10[8]);
u8 zra = cdw10[12];
u8 zrasf = cdw10[13];
const char *zrasf_str;
u8 pr = cdw10[14];
if (zrasf < ARRAY_SIZE(zrasf_strs) && zrasf_strs[zrasf])
zrasf_str = zrasf_strs[zrasf];
else
zrasf_str = "reserved";
trace_seq_printf(p, "slba=%llu, numd=%u, zra=%u, zrasf=%u:%s, pr=%u",
slba, numd, zra, zrasf, zrasf_str, pr);
trace_seq_putc(p, 0);
return ret;
}
const char *nvmet_trace_parse_nvm_cmd(struct trace_seq *p,
u8 opcode, u8 *cdw10)
{
@ -126,9 +187,14 @@ const char *nvmet_trace_parse_nvm_cmd(struct trace_seq *p,
case nvme_cmd_read:
case nvme_cmd_write:
case nvme_cmd_write_zeroes:
case nvme_cmd_zone_append:
return nvmet_trace_read_write(p, cdw10);
case nvme_cmd_dsm:
return nvmet_trace_dsm(p, cdw10);
case nvme_cmd_zone_mgmt_send:
return nvmet_trace_zone_mgmt_send(p, cdw10);
case nvme_cmd_zone_mgmt_recv:
return nvmet_trace_zone_mgmt_recv(p, cdw10);
default:
return nvmet_trace_common(p, cdw10);
}