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nvme: add tracing of zns commands

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When support for the NVMe ZNS commands was merged, tracing of these has
been omitted.

Add nvme_cmd_zone_mgmt_send, nvme_cmd_zone_mgmt_recv as well as
nvme_cmd_zone_append to the nvme driver's tracing facility.

Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Johannes Thumshirn 2021-01-27 02:50:00 +09:00 committed by Christoph Hellwig
parent 3a98c51a24
commit 4a407d5ebc
2 changed files with 39 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

34
drivers/nvme/host/trace.c
View File

@ -148,6 +148,35 @@ static const char *nvme_trace_dsm(struct trace_seq *p, u8 *cdw10)
return ret; return ret;
} }
static const char *nvme_trace_zone_mgmt_send(struct trace_seq *p, u8 *cdw10)
{
const char *ret = trace_seq_buffer_ptr(p);
u64 slba = get_unaligned_le64(cdw10);
u8 zsa = cdw10[12];
u8 all = cdw10[13];
trace_seq_printf(p, "slba=%llu, zsa=%u, all=%u", slba, zsa, all);
trace_seq_putc(p, 0);
return ret;
}
static const char *nvme_trace_zone_mgmt_recv(struct trace_seq *p, u8 *cdw10)
{
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];
u8 pr = cdw10[14];
trace_seq_printf(p, "slba=%llu, numd=%u, zra=%u, zrasf=%u, pr=%u",
slba, numd, zra, zrasf, pr);
trace_seq_putc(p, 0);
return ret;
}
static const char *nvme_trace_common(struct trace_seq *p, u8 *cdw10) static const char *nvme_trace_common(struct trace_seq *p, u8 *cdw10)
{ {
const char *ret = trace_seq_buffer_ptr(p); const char *ret = trace_seq_buffer_ptr(p);
@ -190,9 +219,14 @@ const char *nvme_trace_parse_nvm_cmd(struct trace_seq *p,
case nvme_cmd_read: case nvme_cmd_read:
case nvme_cmd_write: case nvme_cmd_write:
case nvme_cmd_write_zeroes: case nvme_cmd_write_zeroes:
case nvme_cmd_zone_append:
return nvme_trace_read_write(p, cdw10); return nvme_trace_read_write(p, cdw10);
case nvme_cmd_dsm: case nvme_cmd_dsm:
return nvme_trace_dsm(p, cdw10); return nvme_trace_dsm(p, cdw10);
case nvme_cmd_zone_mgmt_send:
return nvme_trace_zone_mgmt_send(p, cdw10);
case nvme_cmd_zone_mgmt_recv:
return nvme_trace_zone_mgmt_recv(p, cdw10);
default: default:
return nvme_trace_common(p, cdw10); return nvme_trace_common(p, cdw10);
} }

6
include/linux/nvme.h
View File

@ -697,7 +697,11 @@ enum nvme_opcode {
nvme_opcode_name(nvme_cmd_resv_register), \ nvme_opcode_name(nvme_cmd_resv_register), \
nvme_opcode_name(nvme_cmd_resv_report), \ nvme_opcode_name(nvme_cmd_resv_report), \
nvme_opcode_name(nvme_cmd_resv_acquire), \ nvme_opcode_name(nvme_cmd_resv_acquire), \
nvme_opcode_name(nvme_cmd_resv_release)) nvme_opcode_name(nvme_cmd_resv_release), \
nvme_opcode_name(nvme_cmd_zone_mgmt_send), \
nvme_opcode_name(nvme_cmd_zone_mgmt_recv), \
nvme_opcode_name(nvme_cmd_zone_append))
/* /*