1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * NVM Express device driver tracepoints 4 * Copyright (c) 2018 Johannes Thumshirn, SUSE Linux GmbH 5 */ 6 7 #undef TRACE_SYSTEM 8 #define TRACE_SYSTEM nvme 9 10 #if !defined(_TRACE_NVME_H) || defined(TRACE_HEADER_MULTI_READ) 11 #define _TRACE_NVME_H 12 13 #include <linux/nvme.h> 14 #include <linux/tracepoint.h> 15 #include <linux/trace_seq.h> 16 17 #include "nvme.h" 18 19 const char *nvme_trace_parse_admin_cmd(struct trace_seq *p, u8 opcode, 20 u8 *cdw10); 21 const char *nvme_trace_parse_nvm_cmd(struct trace_seq *p, u8 opcode, 22 u8 *cdw10); 23 const char *nvme_trace_parse_fabrics_cmd(struct trace_seq *p, u8 fctype, 24 u8 *spc); 25 26 #define parse_nvme_cmd(qid, opcode, fctype, cdw10) \ 27 ((opcode) == nvme_fabrics_command ? \ 28 nvme_trace_parse_fabrics_cmd(p, fctype, cdw10) : \ 29 ((qid) ? \ 30 nvme_trace_parse_nvm_cmd(p, opcode, cdw10) : \ 31 nvme_trace_parse_admin_cmd(p, opcode, cdw10))) 32 33 const char *nvme_trace_disk_name(struct trace_seq *p, char *name); 34 #define __print_disk_name(name) \ 35 nvme_trace_disk_name(p, name) 36 37 #ifndef TRACE_HEADER_MULTI_READ 38 static inline void __assign_disk_name(char *name, struct gendisk *disk) 39 { 40 if (disk) 41 memcpy(name, disk->disk_name, DISK_NAME_LEN); 42 else 43 memset(name, 0, DISK_NAME_LEN); 44 } 45 #endif 46 47 TRACE_EVENT(nvme_setup_cmd, 48 TP_PROTO(struct request *req, struct nvme_command *cmd), 49 TP_ARGS(req, cmd), 50 TP_STRUCT__entry( 51 __array(char, disk, DISK_NAME_LEN) 52 __field(int, ctrl_id) 53 __field(int, qid) 54 __field(u8, opcode) 55 __field(u8, flags) 56 __field(u8, fctype) 57 __field(u16, cid) 58 __field(u32, nsid) 59 __field(bool, metadata) 60 __array(u8, cdw10, 24) 61 ), 62 TP_fast_assign( 63 __entry->ctrl_id = nvme_req(req)->ctrl->instance; 64 __entry->qid = nvme_req_qid(req); 65 __entry->opcode = cmd->common.opcode; 66 __entry->flags = cmd->common.flags; 67 __entry->cid = cmd->common.command_id; 68 __entry->nsid = le32_to_cpu(cmd->common.nsid); 69 __entry->metadata = !!blk_integrity_rq(req); 70 __entry->fctype = cmd->fabrics.fctype; 71 __assign_disk_name(__entry->disk, req->rq_disk); 72 memcpy(__entry->cdw10, &cmd->common.cdw10, 73 sizeof(__entry->cdw10)); 74 ), 75 TP_printk("nvme%d: %sqid=%d, cmdid=%u, nsid=%u, flags=0x%x, meta=0x%x, cmd=(%s %s)", 76 __entry->ctrl_id, __print_disk_name(__entry->disk), 77 __entry->qid, __entry->cid, __entry->nsid, 78 __entry->flags, __entry->metadata, 79 show_opcode_name(__entry->qid, __entry->opcode, 80 __entry->fctype), 81 parse_nvme_cmd(__entry->qid, __entry->opcode, 82 __entry->fctype, __entry->cdw10)) 83 ); 84 85 TRACE_EVENT(nvme_complete_rq, 86 TP_PROTO(struct request *req), 87 TP_ARGS(req), 88 TP_STRUCT__entry( 89 __array(char, disk, DISK_NAME_LEN) 90 __field(int, ctrl_id) 91 __field(int, qid) 92 __field(int, cid) 93 __field(u64, result) 94 __field(u8, retries) 95 __field(u8, flags) 96 __field(u16, status) 97 ), 98 TP_fast_assign( 99 __entry->ctrl_id = nvme_req(req)->ctrl->instance; 100 __entry->qid = nvme_req_qid(req); 101 __entry->cid = req->tag; 102 __entry->result = le64_to_cpu(nvme_req(req)->result.u64); 103 __entry->retries = nvme_req(req)->retries; 104 __entry->flags = nvme_req(req)->flags; 105 __entry->status = nvme_req(req)->status; 106 __assign_disk_name(__entry->disk, req->rq_disk); 107 ), 108 TP_printk("nvme%d: %sqid=%d, cmdid=%u, res=%#llx, retries=%u, flags=0x%x, status=%#x", 109 __entry->ctrl_id, __print_disk_name(__entry->disk), 110 __entry->qid, __entry->cid, __entry->result, 111 __entry->retries, __entry->flags, __entry->status) 112 113 ); 114 115 #define aer_name(aer) { aer, #aer } 116 117 TRACE_EVENT(nvme_async_event, 118 TP_PROTO(struct nvme_ctrl *ctrl, u32 result), 119 TP_ARGS(ctrl, result), 120 TP_STRUCT__entry( 121 __field(int, ctrl_id) 122 __field(u32, result) 123 ), 124 TP_fast_assign( 125 __entry->ctrl_id = ctrl->instance; 126 __entry->result = result; 127 ), 128 TP_printk("nvme%d: NVME_AEN=%#08x [%s]", 129 __entry->ctrl_id, __entry->result, 130 __print_symbolic(__entry->result, 131 aer_name(NVME_AER_NOTICE_NS_CHANGED), 132 aer_name(NVME_AER_NOTICE_ANA), 133 aer_name(NVME_AER_NOTICE_FW_ACT_STARTING), 134 aer_name(NVME_AER_NOTICE_DISC_CHANGED), 135 aer_name(NVME_AER_ERROR), 136 aer_name(NVME_AER_SMART), 137 aer_name(NVME_AER_CSS), 138 aer_name(NVME_AER_VS)) 139 ) 140 ); 141 142 #undef aer_name 143 144 TRACE_EVENT(nvme_sq, 145 TP_PROTO(struct request *req, __le16 sq_head, int sq_tail), 146 TP_ARGS(req, sq_head, sq_tail), 147 TP_STRUCT__entry( 148 __field(int, ctrl_id) 149 __array(char, disk, DISK_NAME_LEN) 150 __field(int, qid) 151 __field(u16, sq_head) 152 __field(u16, sq_tail) 153 ), 154 TP_fast_assign( 155 __entry->ctrl_id = nvme_req(req)->ctrl->instance; 156 __assign_disk_name(__entry->disk, req->rq_disk); 157 __entry->qid = nvme_req_qid(req); 158 __entry->sq_head = le16_to_cpu(sq_head); 159 __entry->sq_tail = sq_tail; 160 ), 161 TP_printk("nvme%d: %sqid=%d, head=%u, tail=%u", 162 __entry->ctrl_id, __print_disk_name(__entry->disk), 163 __entry->qid, __entry->sq_head, __entry->sq_tail 164 ) 165 ); 166 167 #endif /* _TRACE_NVME_H */ 168 169 #undef TRACE_INCLUDE_PATH 170 #define TRACE_INCLUDE_PATH . 171 #undef TRACE_INCLUDE_FILE 172 #define TRACE_INCLUDE_FILE trace 173 174 /* This part must be outside protection */ 175 #include <trace/define_trace.h> 176