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author | Guixin Liu <kanie@linux.alibaba.com> | 2024-02-28 16:37:55 +0800 |
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committer | Keith Busch <kbusch@kernel.org> | 2024-03-08 06:58:20 -0800 |
commit | 2bc91743096756d7c97d10c7079617192211369b (patch) | |
tree | 7e0cde4168fdadc7f487ead4da09b553f5da14ab /drivers/nvme/target/trace.c | |
parent | 8fc3b0f1f47b8b6dd2801deeccae59a3b46c4c39 (diff) | |
download | linux-2bc91743096756d7c97d10c7079617192211369b.tar.gz linux-2bc91743096756d7c97d10c7079617192211369b.tar.bz2 linux-2bc91743096756d7c97d10c7079617192211369b.zip |
nvmet: add tracing of zns commands
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>
Diffstat (limited to 'drivers/nvme/target/trace.c')
-rw-r--r-- | drivers/nvme/target/trace.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/drivers/nvme/target/trace.c b/drivers/nvme/target/trace.c index ca537fae3730..8d1806a82887 100644 --- a/drivers/nvme/target/trace.c +++ b/drivers/nvme/target/trace.c @@ -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); } |