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/* SPDX-License-Identifier: GPL-2.0 */
/*
* NVM Express device driver tracepoints
* Copyright (c) 2018 Johannes Thumshirn, SUSE Linux GmbH
*/
#undef TRACE_SYSTEM
#define TRACE_SYSTEM nvme
#if !defined(_TRACE_NVME_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_NVME_H
#include <linux/nvme.h>
#include <linux/tracepoint.h>
#include <linux/trace_seq.h>
#include "nvme.h"
const char *nvme_trace_parse_admin_cmd(struct trace_seq *p, u8 opcode,
u8 *cdw10);
const char *nvme_trace_parse_nvm_cmd(struct trace_seq *p, u8 opcode,
u8 *cdw10);
const char *nvme_trace_parse_fabrics_cmd(struct trace_seq *p, u8 fctype,
u8 *spc);
#define parse_nvme_cmd(qid, opcode, fctype, cdw10) \
((opcode) == nvme_fabrics_command ? \
nvme_trace_parse_fabrics_cmd(p, fctype, cdw10) : \
((qid) ? \
nvme_trace_parse_nvm_cmd(p, opcode, cdw10) : \
nvme_trace_parse_admin_cmd(p, opcode, cdw10)))
const char *nvme_trace_disk_name(struct trace_seq *p, char *name);
#define __print_disk_name(name) \
nvme_trace_disk_name(p, name)
#ifndef TRACE_HEADER_MULTI_READ
static inline void __assign_disk_name(char *name, struct gendisk *disk)
{
if (disk)
memcpy(name, disk->disk_name, DISK_NAME_LEN);
else
memset(name, 0, DISK_NAME_LEN);
}
#endif
TRACE_EVENT(nvme_setup_cmd,
TP_PROTO(struct request *req, struct nvme_command *cmd),
TP_ARGS(req, cmd),
TP_STRUCT__entry(
__array(char, disk, DISK_NAME_LEN)
__field(int, ctrl_id)
__field(int, qid)
__field(u8, opcode)
__field(u8, flags)
__field(u8, fctype)
__field(u16, cid)
__field(u32, nsid)
__field(u64, metadata)
__array(u8, cdw10, 24)
),
TP_fast_assign(
__entry->ctrl_id = nvme_req(req)->ctrl->instance;
__entry->qid = nvme_req_qid(req);
__entry->opcode = cmd->common.opcode;
__entry->flags = cmd->common.flags;
__entry->cid = cmd->common.command_id;
__entry->nsid = le32_to_cpu(cmd->common.nsid);
__entry->metadata = le64_to_cpu(cmd->common.metadata);
__entry->fctype = cmd->fabrics.fctype;
__assign_disk_name(__entry->disk, req->rq_disk);
memcpy(__entry->cdw10, &cmd->common.cdw10,
sizeof(__entry->cdw10));
),
TP_printk("nvme%d: %sqid=%d, cmdid=%u, nsid=%u, flags=0x%x, meta=0x%llx, cmd=(%s %s)",
__entry->ctrl_id, __print_disk_name(__entry->disk),
__entry->qid, __entry->cid, __entry->nsid,
__entry->flags, __entry->metadata,
show_opcode_name(__entry->qid, __entry->opcode,
__entry->fctype),
parse_nvme_cmd(__entry->qid, __entry->opcode,
__entry->fctype, __entry->cdw10))
);
TRACE_EVENT(nvme_complete_rq,
TP_PROTO(struct request *req),
TP_ARGS(req),
TP_STRUCT__entry(
__array(char, disk, DISK_NAME_LEN)
__field(int, ctrl_id)
__field(int, qid)
__field(int, cid)
__field(u64, result)
__field(u8, retries)
__field(u8, flags)
__field(u16, status)
),
TP_fast_assign(
__entry->ctrl_id = nvme_req(req)->ctrl->instance;
__entry->qid = nvme_req_qid(req);
__entry->cid = req->tag;
__entry->result = le64_to_cpu(nvme_req(req)->result.u64);
__entry->retries = nvme_req(req)->retries;
__entry->flags = nvme_req(req)->flags;
__entry->status = nvme_req(req)->status;
__assign_disk_name(__entry->disk, req->rq_disk);
),
TP_printk("nvme%d: %sqid=%d, cmdid=%u, res=%#llx, retries=%u, flags=0x%x, status=%#x",
__entry->ctrl_id, __print_disk_name(__entry->disk),
__entry->qid, __entry->cid, __entry->result,
__entry->retries, __entry->flags, __entry->status)
);
#define aer_name(aer) { aer, #aer }
TRACE_EVENT(nvme_async_event,
TP_PROTO(struct nvme_ctrl *ctrl, u32 result),
TP_ARGS(ctrl, result),
TP_STRUCT__entry(
__field(int, ctrl_id)
__field(u32, result)
),
TP_fast_assign(
__entry->ctrl_id = ctrl->instance;
__entry->result = result;
),
TP_printk("nvme%d: NVME_AEN=%#08x [%s]",
__entry->ctrl_id, __entry->result,
__print_symbolic(__entry->result,
aer_name(NVME_AER_NOTICE_NS_CHANGED),
aer_name(NVME_AER_NOTICE_ANA),
aer_name(NVME_AER_NOTICE_FW_ACT_STARTING),
aer_name(NVME_AER_NOTICE_DISC_CHANGED),
aer_name(NVME_AER_ERROR),
aer_name(NVME_AER_SMART),
aer_name(NVME_AER_CSS),
aer_name(NVME_AER_VS))
)
);
#undef aer_name
TRACE_EVENT(nvme_sq,
TP_PROTO(struct request *req, __le16 sq_head, int sq_tail),
TP_ARGS(req, sq_head, sq_tail),
TP_STRUCT__entry(
__field(int, ctrl_id)
__array(char, disk, DISK_NAME_LEN)
__field(int, qid)
__field(u16, sq_head)
__field(u16, sq_tail)
),
TP_fast_assign(
__entry->ctrl_id = nvme_req(req)->ctrl->instance;
__assign_disk_name(__entry->disk, req->rq_disk);
__entry->qid = nvme_req_qid(req);
__entry->sq_head = le16_to_cpu(sq_head);
__entry->sq_tail = sq_tail;
),
TP_printk("nvme%d: %sqid=%d, head=%u, tail=%u",
__entry->ctrl_id, __print_disk_name(__entry->disk),
__entry->qid, __entry->sq_head, __entry->sq_tail
)
);
#endif /* _TRACE_NVME_H */
#undef TRACE_INCLUDE_PATH
#define TRACE_INCLUDE_PATH .
#undef TRACE_INCLUDE_FILE
#define TRACE_INCLUDE_FILE trace
/* This part must be outside protection */
#include <trace/define_trace.h>
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