mirror of
https://github.com/torvalds/linux.git
synced 2024-12-24 03:42:52 +00:00
177b06ed09
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. Signed-off-by: Minwoo Im <minwoo.im.dev@gmail.com> Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
257 lines
6.4 KiB
C
257 lines
6.4 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
/*
|
|
* NVM Express device driver tracepoints
|
|
* Copyright (c) 2018 Johannes Thumshirn, SUSE Linux GmbH
|
|
*/
|
|
|
|
#include <asm/unaligned.h>
|
|
#include "trace.h"
|
|
|
|
static const char *nvme_trace_delete_sq(struct trace_seq *p, u8 *cdw10)
|
|
{
|
|
const char *ret = trace_seq_buffer_ptr(p);
|
|
u16 sqid = get_unaligned_le16(cdw10);
|
|
|
|
trace_seq_printf(p, "sqid=%u", sqid);
|
|
trace_seq_putc(p, 0);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static const char *nvme_trace_create_sq(struct trace_seq *p, u8 *cdw10)
|
|
{
|
|
const char *ret = trace_seq_buffer_ptr(p);
|
|
u16 sqid = get_unaligned_le16(cdw10);
|
|
u16 qsize = get_unaligned_le16(cdw10 + 2);
|
|
u16 sq_flags = get_unaligned_le16(cdw10 + 4);
|
|
u16 cqid = get_unaligned_le16(cdw10 + 6);
|
|
|
|
|
|
trace_seq_printf(p, "sqid=%u, qsize=%u, sq_flags=0x%x, cqid=%u",
|
|
sqid, qsize, sq_flags, cqid);
|
|
trace_seq_putc(p, 0);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static const char *nvme_trace_delete_cq(struct trace_seq *p, u8 *cdw10)
|
|
{
|
|
const char *ret = trace_seq_buffer_ptr(p);
|
|
u16 cqid = get_unaligned_le16(cdw10);
|
|
|
|
trace_seq_printf(p, "cqid=%u", cqid);
|
|
trace_seq_putc(p, 0);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static const char *nvme_trace_create_cq(struct trace_seq *p, u8 *cdw10)
|
|
{
|
|
const char *ret = trace_seq_buffer_ptr(p);
|
|
u16 cqid = get_unaligned_le16(cdw10);
|
|
u16 qsize = get_unaligned_le16(cdw10 + 2);
|
|
u16 cq_flags = get_unaligned_le16(cdw10 + 4);
|
|
u16 irq_vector = get_unaligned_le16(cdw10 + 6);
|
|
|
|
trace_seq_printf(p, "cqid=%u, qsize=%u, cq_flags=0x%x, irq_vector=%u",
|
|
cqid, qsize, cq_flags, irq_vector);
|
|
trace_seq_putc(p, 0);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static const char *nvme_trace_admin_identify(struct trace_seq *p, u8 *cdw10)
|
|
{
|
|
const char *ret = trace_seq_buffer_ptr(p);
|
|
u8 cns = cdw10[0];
|
|
u16 ctrlid = get_unaligned_le16(cdw10 + 2);
|
|
|
|
trace_seq_printf(p, "cns=%u, ctrlid=%u", cns, ctrlid);
|
|
trace_seq_putc(p, 0);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static const char *nvme_trace_admin_get_features(struct trace_seq *p,
|
|
u8 *cdw10)
|
|
{
|
|
const char *ret = trace_seq_buffer_ptr(p);
|
|
u8 fid = cdw10[0];
|
|
u8 sel = cdw10[1] & 0x7;
|
|
u32 cdw11 = get_unaligned_le32(cdw10 + 4);
|
|
|
|
trace_seq_printf(p, "fid=0x%x sel=0x%x cdw11=0x%x", fid, sel, cdw11);
|
|
trace_seq_putc(p, 0);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static const char *nvme_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 *nvme_trace_read_write(struct trace_seq *p, u8 *cdw10)
|
|
{
|
|
const char *ret = trace_seq_buffer_ptr(p);
|
|
u64 slba = get_unaligned_le64(cdw10);
|
|
u16 length = get_unaligned_le16(cdw10 + 8);
|
|
u16 control = get_unaligned_le16(cdw10 + 10);
|
|
u32 dsmgmt = get_unaligned_le32(cdw10 + 12);
|
|
u32 reftag = get_unaligned_le32(cdw10 + 16);
|
|
|
|
trace_seq_printf(p,
|
|
"slba=%llu, len=%u, ctrl=0x%x, dsmgmt=%u, reftag=%u",
|
|
slba, length, control, dsmgmt, reftag);
|
|
trace_seq_putc(p, 0);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static const char *nvme_trace_dsm(struct trace_seq *p, u8 *cdw10)
|
|
{
|
|
const char *ret = trace_seq_buffer_ptr(p);
|
|
|
|
trace_seq_printf(p, "nr=%u, attributes=%u",
|
|
get_unaligned_le32(cdw10),
|
|
get_unaligned_le32(cdw10 + 4));
|
|
trace_seq_putc(p, 0);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static const char *nvme_trace_common(struct trace_seq *p, u8 *cdw10)
|
|
{
|
|
const char *ret = trace_seq_buffer_ptr(p);
|
|
|
|
trace_seq_printf(p, "cdw10=%*ph", 24, cdw10);
|
|
trace_seq_putc(p, 0);
|
|
|
|
return ret;
|
|
}
|
|
|
|
const char *nvme_trace_parse_admin_cmd(struct trace_seq *p,
|
|
u8 opcode, u8 *cdw10)
|
|
{
|
|
switch (opcode) {
|
|
case nvme_admin_delete_sq:
|
|
return nvme_trace_delete_sq(p, cdw10);
|
|
case nvme_admin_create_sq:
|
|
return nvme_trace_create_sq(p, cdw10);
|
|
case nvme_admin_delete_cq:
|
|
return nvme_trace_delete_cq(p, cdw10);
|
|
case nvme_admin_create_cq:
|
|
return nvme_trace_create_cq(p, cdw10);
|
|
case nvme_admin_identify:
|
|
return nvme_trace_admin_identify(p, cdw10);
|
|
case nvme_admin_get_features:
|
|
return nvme_trace_admin_get_features(p, cdw10);
|
|
case nvme_admin_get_lba_status:
|
|
return nvme_trace_get_lba_status(p, cdw10);
|
|
default:
|
|
return nvme_trace_common(p, cdw10);
|
|
}
|
|
}
|
|
|
|
const char *nvme_trace_parse_nvm_cmd(struct trace_seq *p,
|
|
u8 opcode, u8 *cdw10)
|
|
{
|
|
switch (opcode) {
|
|
case nvme_cmd_read:
|
|
case nvme_cmd_write:
|
|
case nvme_cmd_write_zeroes:
|
|
return nvme_trace_read_write(p, cdw10);
|
|
case nvme_cmd_dsm:
|
|
return nvme_trace_dsm(p, cdw10);
|
|
default:
|
|
return nvme_trace_common(p, cdw10);
|
|
}
|
|
}
|
|
|
|
static const char *nvme_trace_fabrics_property_set(struct trace_seq *p, u8 *spc)
|
|
{
|
|
const char *ret = trace_seq_buffer_ptr(p);
|
|
u8 attrib = spc[0];
|
|
u32 ofst = get_unaligned_le32(spc + 4);
|
|
u64 value = get_unaligned_le64(spc + 8);
|
|
|
|
trace_seq_printf(p, "attrib=%u, ofst=0x%x, value=0x%llx",
|
|
attrib, ofst, value);
|
|
trace_seq_putc(p, 0);
|
|
return ret;
|
|
}
|
|
|
|
static const char *nvme_trace_fabrics_connect(struct trace_seq *p, u8 *spc)
|
|
{
|
|
const char *ret = trace_seq_buffer_ptr(p);
|
|
u16 recfmt = get_unaligned_le16(spc);
|
|
u16 qid = get_unaligned_le16(spc + 2);
|
|
u16 sqsize = get_unaligned_le16(spc + 4);
|
|
u8 cattr = spc[6];
|
|
u32 kato = get_unaligned_le32(spc + 8);
|
|
|
|
trace_seq_printf(p, "recfmt=%u, qid=%u, sqsize=%u, cattr=%u, kato=%u",
|
|
recfmt, qid, sqsize, cattr, kato);
|
|
trace_seq_putc(p, 0);
|
|
return ret;
|
|
}
|
|
|
|
static const char *nvme_trace_fabrics_property_get(struct trace_seq *p, u8 *spc)
|
|
{
|
|
const char *ret = trace_seq_buffer_ptr(p);
|
|
u8 attrib = spc[0];
|
|
u32 ofst = get_unaligned_le32(spc + 4);
|
|
|
|
trace_seq_printf(p, "attrib=%u, ofst=0x%x", attrib, ofst);
|
|
trace_seq_putc(p, 0);
|
|
return ret;
|
|
}
|
|
|
|
static const char *nvme_trace_fabrics_common(struct trace_seq *p, u8 *spc)
|
|
{
|
|
const char *ret = trace_seq_buffer_ptr(p);
|
|
|
|
trace_seq_printf(p, "specific=%*ph", 24, spc);
|
|
trace_seq_putc(p, 0);
|
|
return ret;
|
|
}
|
|
|
|
const char *nvme_trace_parse_fabrics_cmd(struct trace_seq *p,
|
|
u8 fctype, u8 *spc)
|
|
{
|
|
switch (fctype) {
|
|
case nvme_fabrics_type_property_set:
|
|
return nvme_trace_fabrics_property_set(p, spc);
|
|
case nvme_fabrics_type_connect:
|
|
return nvme_trace_fabrics_connect(p, spc);
|
|
case nvme_fabrics_type_property_get:
|
|
return nvme_trace_fabrics_property_get(p, spc);
|
|
default:
|
|
return nvme_trace_fabrics_common(p, spc);
|
|
}
|
|
}
|
|
|
|
const char *nvme_trace_disk_name(struct trace_seq *p, char *name)
|
|
{
|
|
const char *ret = trace_seq_buffer_ptr(p);
|
|
|
|
if (*name)
|
|
trace_seq_printf(p, "disk=%s, ", name);
|
|
trace_seq_putc(p, 0);
|
|
|
|
return ret;
|
|
}
|
|
|
|
EXPORT_TRACEPOINT_SYMBOL_GPL(nvme_sq);
|