Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Minwoo Im | 332 | 100.00% | 1 | 100.00% |
Total | 332 | 1 |
/* SPDX-License-Identifier: GPL-2.0 */ /* * NVM Express target device driver tracepoints * Copyright (c) 2018 Johannes Thumshirn, SUSE Linux GmbH * * This is entirely based on drivers/nvme/host/trace.h */ #undef TRACE_SYSTEM #define TRACE_SYSTEM nvmet #if !defined(_TRACE_NVMET_H) || defined(TRACE_HEADER_MULTI_READ) #define _TRACE_NVMET_H #include <linux/nvme.h> #include <linux/tracepoint.h> #include <linux/trace_seq.h> #include "nvmet.h" const char *nvmet_trace_parse_admin_cmd(struct trace_seq *p, u8 opcode, u8 *cdw10); const char *nvmet_trace_parse_nvm_cmd(struct trace_seq *p, u8 opcode, u8 *cdw10); const char *nvmet_trace_parse_fabrics_cmd(struct trace_seq *p, u8 fctype, u8 *spc); #define parse_nvme_cmd(qid, opcode, fctype, cdw10) \ ((opcode) == nvme_fabrics_command ? \ nvmet_trace_parse_fabrics_cmd(p, fctype, cdw10) : \ (qid ? \ nvmet_trace_parse_nvm_cmd(p, opcode, cdw10) : \ nvmet_trace_parse_admin_cmd(p, opcode, cdw10))) const char *nvmet_trace_ctrl_name(struct trace_seq *p, struct nvmet_ctrl *ctrl); #define __print_ctrl_name(ctrl) \ nvmet_trace_ctrl_name(p, ctrl) const char *nvmet_trace_disk_name(struct trace_seq *p, char *name); #define __print_disk_name(name) \ nvmet_trace_disk_name(p, name) #ifndef TRACE_HEADER_MULTI_READ static inline struct nvmet_ctrl *nvmet_req_to_ctrl(struct nvmet_req *req) { return req->sq->ctrl; } static inline void __assign_disk_name(char *name, struct nvmet_req *req, bool init) { struct nvmet_ctrl *ctrl = nvmet_req_to_ctrl(req); struct nvmet_ns *ns; if ((init && req->sq->qid) || (!init && req->cq->qid)) { ns = nvmet_find_namespace(ctrl, req->cmd->rw.nsid); strncpy(name, ns->device_path, DISK_NAME_LEN); return; } memset(name, 0, DISK_NAME_LEN); } #endif TRACE_EVENT(nvmet_req_init, TP_PROTO(struct nvmet_req *req, struct nvme_command *cmd), TP_ARGS(req, cmd), TP_STRUCT__entry( __field(struct nvme_command *, cmd) __field(struct nvmet_ctrl *, ctrl) __array(char, disk, DISK_NAME_LEN) __field(int, qid) __field(u16, cid) __field(u8, opcode) __field(u8, fctype) __field(u8, flags) __field(u32, nsid) __field(u64, metadata) __array(u8, cdw10, 24) ), TP_fast_assign( __entry->cmd = cmd; __entry->ctrl = nvmet_req_to_ctrl(req); __assign_disk_name(__entry->disk, req, true); __entry->qid = req->sq->qid; __entry->cid = cmd->common.command_id; __entry->opcode = cmd->common.opcode; __entry->fctype = cmd->fabrics.fctype; __entry->flags = cmd->common.flags; __entry->nsid = le32_to_cpu(cmd->common.nsid); __entry->metadata = le64_to_cpu(cmd->common.metadata); memcpy(__entry->cdw10, &cmd->common.cdw10, sizeof(__entry->cdw10)); ), TP_printk("nvmet%s: %sqid=%d, cmdid=%u, nsid=%u, flags=%#x, " "meta=%#llx, cmd=(%s, %s)", __print_ctrl_name(__entry->ctrl), __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(nvmet_req_complete, TP_PROTO(struct nvmet_req *req), TP_ARGS(req), TP_STRUCT__entry( __field(struct nvmet_ctrl *, ctrl) __array(char, disk, DISK_NAME_LEN) __field(int, qid) __field(int, cid) __field(u64, result) __field(u16, status) ), TP_fast_assign( __entry->ctrl = nvmet_req_to_ctrl(req); __entry->qid = req->cq->qid; __entry->cid = req->cqe->command_id; __entry->result = le64_to_cpu(req->cqe->result.u64); __entry->status = le16_to_cpu(req->cqe->status) >> 1; __assign_disk_name(__entry->disk, req, false); ), TP_printk("nvmet%s: %sqid=%d, cmdid=%u, res=%#llx, status=%#x", __print_ctrl_name(__entry->ctrl), __print_disk_name(__entry->disk), __entry->qid, __entry->cid, __entry->result, __entry->status) ); #endif /* _TRACE_NVMET_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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