text: /* 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(bool, 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 = !!blk_integrity_rq(req);
  		__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%x, 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>
  