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165 lines
4.6 KiB
165 lines
4.6 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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/* |
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* NVM Express target device driver tracepoints |
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* Copyright (c) 2018 Johannes Thumshirn, SUSE Linux GmbH |
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* |
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* This is entirely based on drivers/nvme/host/trace.h |
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*/ |
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#undef TRACE_SYSTEM |
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#define TRACE_SYSTEM nvmet |
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#if !defined(_TRACE_NVMET_H) || defined(TRACE_HEADER_MULTI_READ) |
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#define _TRACE_NVMET_H |
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#include <linux/nvme.h> |
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#include <linux/tracepoint.h> |
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#include <linux/trace_seq.h> |
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#include "nvmet.h" |
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const char *nvmet_trace_parse_admin_cmd(struct trace_seq *p, u8 opcode, |
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u8 *cdw10); |
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const char *nvmet_trace_parse_nvm_cmd(struct trace_seq *p, u8 opcode, |
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u8 *cdw10); |
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const char *nvmet_trace_parse_fabrics_cmd(struct trace_seq *p, u8 fctype, |
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u8 *spc); |
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#define parse_nvme_cmd(qid, opcode, fctype, cdw10) \ |
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((opcode) == nvme_fabrics_command ? \ |
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nvmet_trace_parse_fabrics_cmd(p, fctype, cdw10) : \ |
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(qid ? \ |
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nvmet_trace_parse_nvm_cmd(p, opcode, cdw10) : \ |
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nvmet_trace_parse_admin_cmd(p, opcode, cdw10))) |
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const char *nvmet_trace_ctrl_name(struct trace_seq *p, struct nvmet_ctrl *ctrl); |
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#define __print_ctrl_name(ctrl) \ |
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nvmet_trace_ctrl_name(p, ctrl) |
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const char *nvmet_trace_disk_name(struct trace_seq *p, char *name); |
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#define __print_disk_name(name) \ |
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nvmet_trace_disk_name(p, name) |
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#ifndef TRACE_HEADER_MULTI_READ |
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static inline struct nvmet_ctrl *nvmet_req_to_ctrl(struct nvmet_req *req) |
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{ |
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return req->sq->ctrl; |
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} |
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static inline void __assign_req_name(char *name, struct nvmet_req *req) |
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{ |
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if (!req->ns) { |
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memset(name, 0, DISK_NAME_LEN); |
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return; |
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} |
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strncpy(name, req->ns->device_path, |
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min_t(size_t, DISK_NAME_LEN, strlen(req->ns->device_path))); |
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} |
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#endif |
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TRACE_EVENT(nvmet_req_init, |
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TP_PROTO(struct nvmet_req *req, struct nvme_command *cmd), |
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TP_ARGS(req, cmd), |
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TP_STRUCT__entry( |
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__field(struct nvme_command *, cmd) |
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__field(struct nvmet_ctrl *, ctrl) |
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__array(char, disk, DISK_NAME_LEN) |
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__field(int, qid) |
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__field(u16, cid) |
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__field(u8, opcode) |
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__field(u8, fctype) |
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__field(u8, flags) |
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__field(u32, nsid) |
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__field(u64, metadata) |
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__array(u8, cdw10, 24) |
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), |
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TP_fast_assign( |
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__entry->cmd = cmd; |
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__entry->ctrl = nvmet_req_to_ctrl(req); |
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__assign_req_name(__entry->disk, req); |
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__entry->qid = req->sq->qid; |
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__entry->cid = cmd->common.command_id; |
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__entry->opcode = cmd->common.opcode; |
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__entry->fctype = cmd->fabrics.fctype; |
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__entry->flags = cmd->common.flags; |
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__entry->nsid = le32_to_cpu(cmd->common.nsid); |
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__entry->metadata = le64_to_cpu(cmd->common.metadata); |
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memcpy(__entry->cdw10, &cmd->common.cdw10, |
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sizeof(__entry->cdw10)); |
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), |
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TP_printk("nvmet%s: %sqid=%d, cmdid=%u, nsid=%u, flags=%#x, " |
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"meta=%#llx, cmd=(%s, %s)", |
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__print_ctrl_name(__entry->ctrl), |
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__print_disk_name(__entry->disk), |
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__entry->qid, __entry->cid, __entry->nsid, |
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__entry->flags, __entry->metadata, |
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show_opcode_name(__entry->qid, __entry->opcode, |
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__entry->fctype), |
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parse_nvme_cmd(__entry->qid, __entry->opcode, |
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__entry->fctype, __entry->cdw10)) |
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); |
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TRACE_EVENT(nvmet_req_complete, |
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TP_PROTO(struct nvmet_req *req), |
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TP_ARGS(req), |
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TP_STRUCT__entry( |
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__field(struct nvmet_ctrl *, ctrl) |
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__array(char, disk, DISK_NAME_LEN) |
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__field(int, qid) |
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__field(int, cid) |
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__field(u64, result) |
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__field(u16, status) |
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), |
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TP_fast_assign( |
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__entry->ctrl = nvmet_req_to_ctrl(req); |
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__entry->qid = req->cq->qid; |
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__entry->cid = req->cqe->command_id; |
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__entry->result = le64_to_cpu(req->cqe->result.u64); |
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__entry->status = le16_to_cpu(req->cqe->status) >> 1; |
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__assign_req_name(__entry->disk, req); |
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), |
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TP_printk("nvmet%s: %sqid=%d, cmdid=%u, res=%#llx, status=%#x", |
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__print_ctrl_name(__entry->ctrl), |
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__print_disk_name(__entry->disk), |
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__entry->qid, __entry->cid, __entry->result, __entry->status) |
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); |
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#define aer_name(aer) { aer, #aer } |
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TRACE_EVENT(nvmet_async_event, |
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TP_PROTO(struct nvmet_ctrl *ctrl, __le32 result), |
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TP_ARGS(ctrl, result), |
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TP_STRUCT__entry( |
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__field(int, ctrl_id) |
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__field(u32, result) |
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), |
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TP_fast_assign( |
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__entry->ctrl_id = ctrl->cntlid; |
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__entry->result = (le32_to_cpu(result) & 0xff00) >> 8; |
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), |
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TP_printk("nvmet%d: NVME_AEN=%#08x [%s]", |
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__entry->ctrl_id, __entry->result, |
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__print_symbolic(__entry->result, |
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aer_name(NVME_AER_NOTICE_NS_CHANGED), |
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aer_name(NVME_AER_NOTICE_ANA), |
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aer_name(NVME_AER_NOTICE_FW_ACT_STARTING), |
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aer_name(NVME_AER_NOTICE_DISC_CHANGED), |
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aer_name(NVME_AER_ERROR), |
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aer_name(NVME_AER_SMART), |
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aer_name(NVME_AER_CSS), |
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aer_name(NVME_AER_VS)) |
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) |
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); |
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#undef aer_name |
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#endif /* _TRACE_NVMET_H */ |
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#undef TRACE_INCLUDE_PATH |
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#define TRACE_INCLUDE_PATH . |
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#undef TRACE_INCLUDE_FILE |
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#define TRACE_INCLUDE_FILE trace |
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/* This part must be outside protection */ |
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#include <trace/define_trace.h>
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