drivers/s390/scsi/zfcp_dbf.h

   1 /*
   2  * This file is part of the zfcp device driver for
   3  * FCP adapters for IBM System z9 and zSeries.
   4  *
   5  * Copyright IBM Corp. 2008, 2008
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2, or (at your option)
  10  * any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  20  */
  21
  22 #ifndef ZFCP_DBF_H
  23 #define ZFCP_DBF_H
  24
  25 #include "zfcp_fsf.h"
  26
  27 #define ZFCP_DBF_TAG_SIZE      4
  28
  29 struct zfcp_dbf_dump {
  30         u8 tag[ZFCP_DBF_TAG_SIZE];
  31         u32 total_size;         /* size of total dump data */
  32         u32 offset;             /* how much data has being already dumped */
  33         u32 size;               /* how much data comes with this record */
  34         u8 data[];              /* dump data */
  35 } __attribute__ ((packed));
  36
  37 struct zfcp_rec_dbf_record_thread {
  38         u32 total;
  39         u32 ready;
  40         u32 running;
  41 };
  42
  43 struct zfcp_rec_dbf_record_target {
  44         u64 ref;
  45         u32 status;
  46         u32 d_id;
  47         u64 wwpn;
  48         u64 fcp_lun;
  49         u32 erp_count;
  50 };
  51
  52 struct zfcp_rec_dbf_record_trigger {
  53         u8 want;
  54         u8 need;
  55         u32 as;
  56         u32 ps;
  57         u32 us;
  58         u64 ref;
  59         u64 action;
  60         u64 wwpn;
  61         u64 fcp_lun;
  62 };
  63
  64 struct zfcp_rec_dbf_record_action {
  65         u32 status;
  66         u32 step;
  67         u64 action;
  68         u64 fsf_req;
  69 };
  70
  71 struct zfcp_rec_dbf_record {
  72         u8 id;
  73         u8 id2;
  74         union {
  75                 struct zfcp_rec_dbf_record_action action;
  76                 struct zfcp_rec_dbf_record_thread thread;
  77                 struct zfcp_rec_dbf_record_target target;
  78                 struct zfcp_rec_dbf_record_trigger trigger;
  79         } u;
  80 };
  81
  82 enum {
  83         ZFCP_REC_DBF_ID_ACTION,
  84         ZFCP_REC_DBF_ID_THREAD,
  85         ZFCP_REC_DBF_ID_TARGET,
  86         ZFCP_REC_DBF_ID_TRIGGER,
  87 };
  88
  89 struct zfcp_hba_dbf_record_response {
  90         u32 fsf_command;
  91         u64 fsf_reqid;
  92         u32 fsf_seqno;
  93         u64 fsf_issued;
  94         u32 fsf_prot_status;
  95         u32 fsf_status;
  96         u8 fsf_prot_status_qual[FSF_PROT_STATUS_QUAL_SIZE];
  97         u8 fsf_status_qual[FSF_STATUS_QUALIFIER_SIZE];
  98         u32 fsf_req_status;
  99         u8 sbal_first;
 100         u8 sbal_last;
 101         u8 sbal_response;
 102         u8 pool;
 103         u64 erp_action;
 104         union {
 105                 struct {
 106                         u64 cmnd;
 107                         u64 serial;
 108                 } fcp;
 109                 struct {
 110                         u64 wwpn;
 111                         u32 d_id;
 112                         u32 port_handle;
 113                 } port;
 114                 struct {
 115                         u64 wwpn;
 116                         u64 fcp_lun;
 117                         u32 port_handle;
 118                         u32 lun_handle;
 119                 } unit;
 120                 struct {
 121                         u32 d_id;
 122                         u8 ls_code;
 123                 } els;
 124         } u;
 125 } __attribute__ ((packed));
 126
 127 struct zfcp_hba_dbf_record_status {
 128         u8 failed;
 129         u32 status_type;
 130         u32 status_subtype;
 131         struct fsf_queue_designator
 132          queue_designator;
 133         u32 payload_size;
 134 #define ZFCP_DBF_UNSOL_PAYLOAD                          80
 135 #define ZFCP_DBF_UNSOL_PAYLOAD_SENSE_DATA_AVAIL         32
 136 #define ZFCP_DBF_UNSOL_PAYLOAD_BIT_ERROR_THRESHOLD      56
 137 #define ZFCP_DBF_UNSOL_PAYLOAD_FEATURE_UPDATE_ALERT     2 * sizeof(u32)
 138         u8 payload[ZFCP_DBF_UNSOL_PAYLOAD];
 139 } __attribute__ ((packed));
 140
 141 struct zfcp_hba_dbf_record_qdio {
 142         u32 qdio_error;
 143         u8 sbal_index;
 144         u8 sbal_count;
 145 } __attribute__ ((packed));
 146
 147 struct zfcp_hba_dbf_record {
 148         u8 tag[ZFCP_DBF_TAG_SIZE];
 149         u8 tag2[ZFCP_DBF_TAG_SIZE];
 150         union {
 151                 struct zfcp_hba_dbf_record_response response;
 152                 struct zfcp_hba_dbf_record_status status;
 153                 struct zfcp_hba_dbf_record_qdio qdio;
 154                 struct fsf_bit_error_payload berr;
 155         } u;
 156 } __attribute__ ((packed));
 157
 158 struct zfcp_san_dbf_record_ct_request {
 159         u16 cmd_req_code;
 160         u8 revision;
 161         u8 gs_type;
 162         u8 gs_subtype;
 163         u8 options;
 164         u16 max_res_size;
 165         u32 len;
 166 } __attribute__ ((packed));
 167
 168 struct zfcp_san_dbf_record_ct_response {
 169         u16 cmd_rsp_code;
 170         u8 revision;
 171         u8 reason_code;
 172         u8 expl;
 173         u8 vendor_unique;
 174         u32 len;
 175 } __attribute__ ((packed));
 176
 177 struct zfcp_san_dbf_record_els {
 178         u8 ls_code;
 179         u32 len;
 180 } __attribute__ ((packed));
 181
 182 struct zfcp_san_dbf_record {
 183         u8 tag[ZFCP_DBF_TAG_SIZE];
 184         u64 fsf_reqid;
 185         u32 fsf_seqno;
 186         u32 s_id;
 187         u32 d_id;
 188         union {
 189                 struct zfcp_san_dbf_record_ct_request ct_req;
 190                 struct zfcp_san_dbf_record_ct_response ct_resp;
 191                 struct zfcp_san_dbf_record_els els;
 192         } u;
 193 #define ZFCP_DBF_SAN_MAX_PAYLOAD 1024
 194         u8 payload[32];
 195 } __attribute__ ((packed));
 196
 197 struct zfcp_scsi_dbf_record {
 198         u8 tag[ZFCP_DBF_TAG_SIZE];
 199         u8 tag2[ZFCP_DBF_TAG_SIZE];
 200         u32 scsi_id;
 201         u32 scsi_lun;
 202         u32 scsi_result;
 203         u64 scsi_cmnd;
 204         u64 scsi_serial;
 205 #define ZFCP_DBF_SCSI_OPCODE    16
 206         u8 scsi_opcode[ZFCP_DBF_SCSI_OPCODE];
 207         u8 scsi_retries;
 208         u8 scsi_allowed;
 209         u64 fsf_reqid;
 210         u32 fsf_seqno;
 211         u64 fsf_issued;
 212         u64 old_fsf_reqid;
 213         u8 rsp_validity;
 214         u8 rsp_scsi_status;
 215         u32 rsp_resid;
 216         u8 rsp_code;
 217 #define ZFCP_DBF_SCSI_FCP_SNS_INFO      16
 218 #define ZFCP_DBF_SCSI_MAX_FCP_SNS_INFO  256
 219         u32 sns_info_len;
 220         u8 sns_info[ZFCP_DBF_SCSI_FCP_SNS_INFO];
 221 } __attribute__ ((packed));
 222
 223 #endif /* ZFCP_DBF_H */