^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * zfcp device driver
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * debug feature declarations
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Copyright IBM Corp. 2008, 2020
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #ifndef ZFCP_DBF_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #define ZFCP_DBF_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <scsi/fc/fc_fcp.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include "zfcp_ext.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include "zfcp_fsf.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include "zfcp_def.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #define ZFCP_DBF_TAG_LEN 7
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #define ZFCP_DBF_INVALID_WWPN 0x0000000000000000ull
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #define ZFCP_DBF_INVALID_LUN 0xFFFFFFFFFFFFFFFFull
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) enum zfcp_dbf_pseudo_erp_act_type {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) ZFCP_PSEUDO_ERP_ACTION_RPORT_ADD = 0xff,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) ZFCP_PSEUDO_ERP_ACTION_RPORT_DEL = 0xfe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) * struct zfcp_dbf_rec_trigger - trace record for triggered recovery action
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) * @ready: number of ready recovery actions
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) * @running: number of running recovery actions
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) * @want: wanted recovery action
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) * @need: needed recovery action
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) struct zfcp_dbf_rec_trigger {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) u32 ready;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) u32 running;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) u8 want;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) u8 need;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) } __packed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) * struct zfcp_dbf_rec_running - trace record for running recovery
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) * @fsf_req_id: request id for fsf requests
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) * @rec_status: status of the fsf request
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) * @rec_step: current step of the recovery action
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) * @rec_action: ERP action type
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) * @rec_count: recoveries including retries for particular @rec_action
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) struct zfcp_dbf_rec_running {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) u64 fsf_req_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) u32 rec_status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) u16 rec_step;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) u8 rec_action;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) u8 rec_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) } __packed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) * enum zfcp_dbf_rec_id - recovery trace record id
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) * @ZFCP_DBF_REC_TRIG: triggered recovery identifier
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) * @ZFCP_DBF_REC_RUN: running recovery identifier
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) enum zfcp_dbf_rec_id {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) ZFCP_DBF_REC_TRIG = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) ZFCP_DBF_REC_RUN = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) * struct zfcp_dbf_rec - trace record for error recovery actions
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) * @id: unique number of recovery record type
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) * @tag: identifier string specifying the location of initiation
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) * @lun: logical unit number
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) * @wwpn: word wide port number
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) * @d_id: destination ID
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) * @adapter_status: current status of the adapter
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) * @port_status: current status of the port
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) * @lun_status: current status of the lun
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) * @u: record type specific data
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) * @u.trig: structure zfcp_dbf_rec_trigger
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) * @u.run: structure zfcp_dbf_rec_running
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) struct zfcp_dbf_rec {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) u8 id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) char tag[ZFCP_DBF_TAG_LEN];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) u64 lun;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) u64 wwpn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) u32 d_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) u32 adapter_status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) u32 port_status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) u32 lun_status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) union {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) struct zfcp_dbf_rec_trigger trig;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) struct zfcp_dbf_rec_running run;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) } u;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) } __packed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) * enum zfcp_dbf_san_id - SAN trace record identifier
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) * @ZFCP_DBF_SAN_REQ: request trace record id
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) * @ZFCP_DBF_SAN_RES: response trace record id
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) * @ZFCP_DBF_SAN_ELS: extended link service record id
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) enum zfcp_dbf_san_id {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) ZFCP_DBF_SAN_REQ = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) ZFCP_DBF_SAN_RES = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) ZFCP_DBF_SAN_ELS = 3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) /** struct zfcp_dbf_san - trace record for SAN requests and responses
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) * @id: unique number of recovery record type
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) * @tag: identifier string specifying the location of initiation
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) * @fsf_req_id: request id for fsf requests
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) * @payload: unformatted information related to request/response
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) * @d_id: destination id
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) struct zfcp_dbf_san {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) u8 id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) char tag[ZFCP_DBF_TAG_LEN];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) u64 fsf_req_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) u32 d_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) #define ZFCP_DBF_SAN_MAX_PAYLOAD (FC_CT_HDR_LEN + 32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) char payload[ZFCP_DBF_SAN_MAX_PAYLOAD];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) u16 pl_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) } __packed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) * struct zfcp_dbf_hba_res - trace record for hba responses
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) * @req_issued: timestamp when request was issued
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) * @prot_status: protocol status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) * @prot_status_qual: protocol status qualifier
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) * @fsf_status: fsf status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) * @fsf_status_qual: fsf status qualifier
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) * @port_handle: handle for port
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) * @lun_handle: handle for LUN
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) struct zfcp_dbf_hba_res {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) u64 req_issued;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) u32 prot_status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) u8 prot_status_qual[FSF_PROT_STATUS_QUAL_SIZE];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) u32 fsf_status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) u8 fsf_status_qual[FSF_STATUS_QUALIFIER_SIZE];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) u32 port_handle;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) u32 lun_handle;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) } __packed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) * struct zfcp_dbf_hba_uss - trace record for unsolicited status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) * @status_type: type of unsolicited status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) * @status_subtype: subtype of unsolicited status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) * @d_id: destination ID
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) * @lun: logical unit number
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) * @queue_designator: queue designator
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) struct zfcp_dbf_hba_uss {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) u32 status_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) u32 status_subtype;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) u32 d_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) u64 lun;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) u64 queue_designator;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) } __packed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) * struct zfcp_dbf_hba_fces - trace record for FC Endpoint Security
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) * @req_issued: timestamp when request was issued
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) * @fsf_status: fsf status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) * @port_handle: handle for port
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) * @wwpn: remote FC port WWPN
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) * @fc_security_old: old FC Endpoint Security
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) * @fc_security_new: new FC Endpoint Security
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) struct zfcp_dbf_hba_fces {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) u64 req_issued;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) u32 fsf_status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) u32 port_handle;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) u64 wwpn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) u32 fc_security_old;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) u32 fc_security_new;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) } __packed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) * enum zfcp_dbf_hba_id - HBA trace record identifier
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) * @ZFCP_DBF_HBA_RES: response trace record
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) * @ZFCP_DBF_HBA_USS: unsolicited status trace record
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) * @ZFCP_DBF_HBA_BIT: bit error trace record
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) * @ZFCP_DBF_HBA_BASIC: basic adapter event, only trace tag, no other data
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) * @ZFCP_DBF_HBA_FCES: FC Endpoint Security trace record
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) enum zfcp_dbf_hba_id {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) ZFCP_DBF_HBA_RES = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) ZFCP_DBF_HBA_USS = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) ZFCP_DBF_HBA_BIT = 3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) ZFCP_DBF_HBA_BASIC = 4,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) ZFCP_DBF_HBA_FCES = 5,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) * struct zfcp_dbf_hba - common trace record for HBA records
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) * @id: unique number of recovery record type
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) * @tag: identifier string specifying the location of initiation
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) * @fsf_req_id: request id for fsf requests
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) * @fsf_req_status: status of fsf request
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) * @fsf_cmd: fsf command
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) * @fsf_seq_no: fsf sequence number
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) * @pl_len: length of payload stored as zfcp_dbf_pay
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) * @u: record type specific data
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) * @u.res: data for fsf responses
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) * @u.uss: data for unsolicited status buffer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) * @u.be: data for bit error unsolicited status buffer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) * @u.fces: data for FC Endpoint Security
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) struct zfcp_dbf_hba {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) u8 id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) char tag[ZFCP_DBF_TAG_LEN];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) u64 fsf_req_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) u32 fsf_req_status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) u32 fsf_cmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) u32 fsf_seq_no;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) u16 pl_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) union {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) struct zfcp_dbf_hba_res res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) struct zfcp_dbf_hba_uss uss;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) struct fsf_bit_error_payload be;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) struct zfcp_dbf_hba_fces fces;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) } u;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) } __packed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) * enum zfcp_dbf_scsi_id - scsi trace record identifier
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) * @ZFCP_DBF_SCSI_CMND: scsi command trace record
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) enum zfcp_dbf_scsi_id {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) ZFCP_DBF_SCSI_CMND = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) * struct zfcp_dbf_scsi - common trace record for SCSI records
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) * @id: unique number of recovery record type
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) * @tag: identifier string specifying the location of initiation
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) * @scsi_id: scsi device id
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) * @scsi_lun: scsi device logical unit number, low part of 64 bit, old 32 bit
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) * @scsi_result: scsi result
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) * @scsi_retries: current retry number of scsi request
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) * @scsi_allowed: allowed retries
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) * @fcp_rsp_info: FCP response info code
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) * @scsi_opcode: scsi opcode
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) * @fsf_req_id: request id of fsf request
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) * @host_scribble: LLD specific data attached to SCSI request
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) * @pl_len: length of payload stored as zfcp_dbf_pay
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) * @fcp_rsp: response for FCP request
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) * @scsi_lun_64_hi: scsi device logical unit number, high part of 64 bit
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) struct zfcp_dbf_scsi {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) u8 id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) char tag[ZFCP_DBF_TAG_LEN];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) u32 scsi_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) u32 scsi_lun;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) u32 scsi_result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) u8 scsi_retries;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) u8 scsi_allowed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) u8 fcp_rsp_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) #define ZFCP_DBF_SCSI_OPCODE 16
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) u8 scsi_opcode[ZFCP_DBF_SCSI_OPCODE];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) u64 fsf_req_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) u64 host_scribble;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) u16 pl_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) struct fcp_resp_with_ext fcp_rsp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) u32 scsi_lun_64_hi;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) } __packed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) * struct zfcp_dbf_pay - trace record for unformatted payload information
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) * @area: area this record is originated from
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) * @counter: ascending record number
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) * @fsf_req_id: request id of fsf request
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) * @data: unformatted data
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) struct zfcp_dbf_pay {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) u8 counter;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) char area[ZFCP_DBF_TAG_LEN];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) u64 fsf_req_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) #define ZFCP_DBF_PAY_MAX_REC 0x100
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) char data[ZFCP_DBF_PAY_MAX_REC];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) } __packed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) * struct zfcp_dbf - main dbf trace structure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) * @pay: reference to payload trace area
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) * @rec: reference to recovery trace area
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) * @hba: reference to hba trace area
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) * @san: reference to san trace area
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) * @scsi: reference to scsi trace area
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) * @pay_lock: lock protecting payload trace buffer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) * @rec_lock: lock protecting recovery trace buffer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) * @hba_lock: lock protecting hba trace buffer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) * @san_lock: lock protecting san trace buffer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) * @scsi_lock: lock protecting scsi trace buffer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) * @pay_buf: pre-allocated buffer for payload
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) * @rec_buf: pre-allocated buffer for recovery
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) * @hba_buf: pre-allocated buffer for hba
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) * @san_buf: pre-allocated buffer for san
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) * @scsi_buf: pre-allocated buffer for scsi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) struct zfcp_dbf {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) debug_info_t *pay;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) debug_info_t *rec;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) debug_info_t *hba;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) debug_info_t *san;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) debug_info_t *scsi;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) spinlock_t pay_lock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) spinlock_t rec_lock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) spinlock_t hba_lock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) spinlock_t san_lock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) spinlock_t scsi_lock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) struct zfcp_dbf_pay pay_buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) struct zfcp_dbf_rec rec_buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) struct zfcp_dbf_hba hba_buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) struct zfcp_dbf_san san_buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) struct zfcp_dbf_scsi scsi_buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) * zfcp_dbf_hba_fsf_resp_suppress - true if we should not trace by default
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) * @req: request that has been completed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) * Returns true if FCP response with only benign residual under count.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) static inline
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) bool zfcp_dbf_hba_fsf_resp_suppress(struct zfcp_fsf_req *req)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) struct fsf_qtcb *qtcb = req->qtcb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) u32 fsf_stat = qtcb->header.fsf_status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) struct fcp_resp *fcp_rsp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) u8 rsp_flags, fr_status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) if (qtcb->prefix.qtcb_type != FSF_IO_COMMAND)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) return false; /* not an FCP response */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) fcp_rsp = &qtcb->bottom.io.fcp_rsp.iu.resp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) rsp_flags = fcp_rsp->fr_flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) fr_status = fcp_rsp->fr_status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) return (fsf_stat == FSF_FCP_RSP_AVAILABLE) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) (rsp_flags == FCP_RESID_UNDER) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) (fr_status == SAM_STAT_GOOD);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) static inline
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) void zfcp_dbf_hba_fsf_resp(char *tag, int level, struct zfcp_fsf_req *req)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) if (debug_level_enabled(req->adapter->dbf->hba, level))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) zfcp_dbf_hba_fsf_res(tag, level, req);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) * zfcp_dbf_hba_fsf_response - trace event for request completion
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) * @req: request that has been completed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) static inline
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) void zfcp_dbf_hba_fsf_response(struct zfcp_fsf_req *req)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) struct fsf_qtcb *qtcb = req->qtcb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) if (unlikely(req->status & (ZFCP_STATUS_FSFREQ_DISMISSED |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) ZFCP_STATUS_FSFREQ_ERROR))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) zfcp_dbf_hba_fsf_resp("fs_rerr", 3, req);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) } else if ((qtcb->prefix.prot_status != FSF_PROT_GOOD) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) (qtcb->prefix.prot_status != FSF_PROT_FSF_STATUS_PRESENTED)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) zfcp_dbf_hba_fsf_resp("fs_perr", 1, req);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) } else if (qtcb->header.fsf_status != FSF_GOOD) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) zfcp_dbf_hba_fsf_resp("fs_ferr",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) zfcp_dbf_hba_fsf_resp_suppress(req)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) ? 5 : 1, req);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) } else if ((qtcb->header.fsf_command == FSF_QTCB_OPEN_PORT_WITH_DID) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) (qtcb->header.fsf_command == FSF_QTCB_OPEN_LUN)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) zfcp_dbf_hba_fsf_resp("fs_open", 4, req);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) } else if (qtcb->header.log_length) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) zfcp_dbf_hba_fsf_resp("fs_qtcb", 5, req);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) zfcp_dbf_hba_fsf_resp("fs_norm", 6, req);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) static inline
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) void _zfcp_dbf_scsi(char *tag, int level, struct scsi_cmnd *scmd,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) struct zfcp_fsf_req *req)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) struct zfcp_adapter *adapter = (struct zfcp_adapter *)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) scmd->device->host->hostdata[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) if (debug_level_enabled(adapter->dbf->scsi, level))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) zfcp_dbf_scsi_common(tag, level, scmd->device, scmd, req);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) * zfcp_dbf_scsi_result - trace event for SCSI command completion
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) * @scmd: SCSI command pointer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) * @req: FSF request used to issue SCSI command
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) static inline
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) void zfcp_dbf_scsi_result(struct scsi_cmnd *scmd, struct zfcp_fsf_req *req)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) if (scmd->result != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) _zfcp_dbf_scsi("rsl_err", 3, scmd, req);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) else if (scmd->retries > 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) _zfcp_dbf_scsi("rsl_ret", 4, scmd, req);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) _zfcp_dbf_scsi("rsl_nor", 6, scmd, req);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) * zfcp_dbf_scsi_fail_send - trace event for failure to send SCSI command
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) * @scmd: SCSI command pointer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) static inline
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) void zfcp_dbf_scsi_fail_send(struct scsi_cmnd *scmd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) _zfcp_dbf_scsi("rsl_fai", 4, scmd, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) * zfcp_dbf_scsi_abort - trace event for SCSI command abort
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) * @tag: tag indicating success or failure of abort operation
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) * @scmd: SCSI command to be aborted
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) * @fsf_req: request containing abort (might be NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) static inline
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) void zfcp_dbf_scsi_abort(char *tag, struct scsi_cmnd *scmd,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) struct zfcp_fsf_req *fsf_req)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) _zfcp_dbf_scsi(tag, 1, scmd, fsf_req);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) * zfcp_dbf_scsi_devreset() - Trace event for Logical Unit or Target Reset.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) * @tag: Tag indicating success or failure of reset operation.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) * @sdev: Pointer to SCSI device as context for this event.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) * @flag: Indicates type of reset (Target Reset, Logical Unit Reset).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) * @fsf_req: Pointer to FSF request representing the TMF, or NULL.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) static inline
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) void zfcp_dbf_scsi_devreset(char *tag, struct scsi_device *sdev, u8 flag,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) struct zfcp_fsf_req *fsf_req)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) struct zfcp_adapter *adapter = (struct zfcp_adapter *)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) sdev->host->hostdata[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) char tmp_tag[ZFCP_DBF_TAG_LEN];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) static int const level = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) if (unlikely(!debug_level_enabled(adapter->dbf->scsi, level)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) if (flag == FCP_TMF_TGT_RESET)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) memcpy(tmp_tag, "tr_", 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) memcpy(tmp_tag, "lr_", 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) memcpy(&tmp_tag[3], tag, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) zfcp_dbf_scsi_common(tmp_tag, level, sdev, NULL, fsf_req);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) * zfcp_dbf_scsi_nullcmnd() - trace NULLify of SCSI command in dev/tgt-reset.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) * @scmnd: SCSI command that was NULLified.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) * @fsf_req: request that owned @scmnd.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) static inline void zfcp_dbf_scsi_nullcmnd(struct scsi_cmnd *scmnd,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) struct zfcp_fsf_req *fsf_req)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) _zfcp_dbf_scsi("scfc__1", 3, scmnd, fsf_req);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) #endif /* ZFCP_DBF_H */
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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