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8#ifndef ZFCP_DBF_H
9#define ZFCP_DBF_H
10
11#include <scsi/fc/fc_fcp.h>
12#include "zfcp_ext.h"
13#include "zfcp_fsf.h"
14#include "zfcp_def.h"
15
16#define ZFCP_DBF_TAG_LEN 7
17
18#define ZFCP_DBF_INVALID_LUN 0xFFFFFFFFFFFFFFFFull
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27struct zfcp_dbf_rec_trigger {
28 u32 ready;
29 u32 running;
30 u8 want;
31 u8 need;
32} __packed;
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41struct zfcp_dbf_rec_running {
42 u64 fsf_req_id;
43 u32 rec_status;
44 u16 rec_step;
45 u8 rec_action;
46 u8 rec_count;
47} __packed;
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53
54enum zfcp_dbf_rec_id {
55 ZFCP_DBF_REC_TRIG = 1,
56 ZFCP_DBF_REC_RUN = 2,
57};
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72struct zfcp_dbf_rec {
73 u8 id;
74 char tag[ZFCP_DBF_TAG_LEN];
75 u64 lun;
76 u64 wwpn;
77 u32 d_id;
78 u32 adapter_status;
79 u32 port_status;
80 u32 lun_status;
81 union {
82 struct zfcp_dbf_rec_trigger trig;
83 struct zfcp_dbf_rec_running run;
84 } u;
85} __packed;
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93enum zfcp_dbf_san_id {
94 ZFCP_DBF_SAN_REQ = 1,
95 ZFCP_DBF_SAN_RES = 2,
96 ZFCP_DBF_SAN_ELS = 3,
97};
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106struct zfcp_dbf_san {
107 u8 id;
108 char tag[ZFCP_DBF_TAG_LEN];
109 u64 fsf_req_id;
110 u32 d_id;
111#define ZFCP_DBF_SAN_MAX_PAYLOAD (FC_CT_HDR_LEN + 32)
112 char payload[ZFCP_DBF_SAN_MAX_PAYLOAD];
113} __packed;
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123struct zfcp_dbf_hba_res {
124 u64 req_issued;
125 u32 prot_status;
126 u8 prot_status_qual[FSF_PROT_STATUS_QUAL_SIZE];
127 u32 fsf_status;
128 u8 fsf_status_qual[FSF_STATUS_QUALIFIER_SIZE];
129} __packed;
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139struct zfcp_dbf_hba_uss {
140 u32 status_type;
141 u32 status_subtype;
142 u32 d_id;
143 u64 lun;
144 u64 queue_designator;
145} __packed;
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153enum zfcp_dbf_hba_id {
154 ZFCP_DBF_HBA_RES = 1,
155 ZFCP_DBF_HBA_USS = 2,
156 ZFCP_DBF_HBA_BIT = 3,
157};
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170struct zfcp_dbf_hba {
171 u8 id;
172 char tag[ZFCP_DBF_TAG_LEN];
173 u64 fsf_req_id;
174 u32 fsf_req_status;
175 u32 fsf_cmd;
176 u32 fsf_seq_no;
177 u16 pl_len;
178 union {
179 struct zfcp_dbf_hba_res res;
180 struct zfcp_dbf_hba_uss uss;
181 struct fsf_bit_error_payload be;
182 } u;
183} __packed;
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189enum zfcp_dbf_scsi_id {
190 ZFCP_DBF_SCSI_CMND = 1,
191};
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209struct zfcp_dbf_scsi {
210 u8 id;
211 char tag[ZFCP_DBF_TAG_LEN];
212 u32 scsi_id;
213 u32 scsi_lun;
214 u32 scsi_result;
215 u8 scsi_retries;
216 u8 scsi_allowed;
217 u8 fcp_rsp_info;
218#define ZFCP_DBF_SCSI_OPCODE 16
219 u8 scsi_opcode[ZFCP_DBF_SCSI_OPCODE];
220 u64 fsf_req_id;
221 u64 host_scribble;
222 u16 pl_len;
223 struct fcp_resp_with_ext fcp_rsp;
224} __packed;
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233struct zfcp_dbf_pay {
234 u8 counter;
235 char area[ZFCP_DBF_TAG_LEN];
236 u64 fsf_req_id;
237#define ZFCP_DBF_PAY_MAX_REC 0x100
238 char data[ZFCP_DBF_PAY_MAX_REC];
239} __packed;
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259struct zfcp_dbf {
260 debug_info_t *pay;
261 debug_info_t *rec;
262 debug_info_t *hba;
263 debug_info_t *san;
264 debug_info_t *scsi;
265 spinlock_t pay_lock;
266 spinlock_t rec_lock;
267 spinlock_t hba_lock;
268 spinlock_t san_lock;
269 spinlock_t scsi_lock;
270 struct zfcp_dbf_pay pay_buf;
271 struct zfcp_dbf_rec rec_buf;
272 struct zfcp_dbf_hba hba_buf;
273 struct zfcp_dbf_san san_buf;
274 struct zfcp_dbf_scsi scsi_buf;
275};
276
277static inline
278void zfcp_dbf_hba_fsf_resp(char *tag, int level, struct zfcp_fsf_req *req)
279{
280 if (level <= req->adapter->dbf->hba->level)
281 zfcp_dbf_hba_fsf_res(tag, req);
282}
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288static inline
289void zfcp_dbf_hba_fsf_response(struct zfcp_fsf_req *req)
290{
291 struct fsf_qtcb *qtcb = req->qtcb;
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293 if ((qtcb->prefix.prot_status != FSF_PROT_GOOD) &&
294 (qtcb->prefix.prot_status != FSF_PROT_FSF_STATUS_PRESENTED)) {
295 zfcp_dbf_hba_fsf_resp("fs_perr", 1, req);
296
297 } else if (qtcb->header.fsf_status != FSF_GOOD) {
298 zfcp_dbf_hba_fsf_resp("fs_ferr", 1, req);
299
300 } else if ((req->fsf_command == FSF_QTCB_OPEN_PORT_WITH_DID) ||
301 (req->fsf_command == FSF_QTCB_OPEN_LUN)) {
302 zfcp_dbf_hba_fsf_resp("fs_open", 4, req);
303
304 } else if (qtcb->header.log_length) {
305 zfcp_dbf_hba_fsf_resp("fs_qtcb", 5, req);
306
307 } else {
308 zfcp_dbf_hba_fsf_resp("fs_norm", 6, req);
309 }
310}
311
312static inline
313void _zfcp_dbf_scsi(char *tag, int level, struct scsi_cmnd *scmd,
314 struct zfcp_fsf_req *req)
315{
316 struct zfcp_adapter *adapter = (struct zfcp_adapter *)
317 scmd->device->host->hostdata[0];
318
319 if (level <= adapter->dbf->scsi->level)
320 zfcp_dbf_scsi(tag, scmd, req);
321}
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328static inline
329void zfcp_dbf_scsi_result(struct scsi_cmnd *scmd, struct zfcp_fsf_req *req)
330{
331 if (scmd->result != 0)
332 _zfcp_dbf_scsi("rsl_err", 3, scmd, req);
333 else if (scmd->retries > 0)
334 _zfcp_dbf_scsi("rsl_ret", 4, scmd, req);
335 else
336 _zfcp_dbf_scsi("rsl_nor", 6, scmd, req);
337}
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343static inline
344void zfcp_dbf_scsi_fail_send(struct scsi_cmnd *scmd)
345{
346 _zfcp_dbf_scsi("rsl_fai", 4, scmd, NULL);
347}
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355static inline
356void zfcp_dbf_scsi_abort(char *tag, struct scsi_cmnd *scmd,
357 struct zfcp_fsf_req *fsf_req)
358{
359 _zfcp_dbf_scsi(tag, 1, scmd, fsf_req);
360}
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368static inline
369void zfcp_dbf_scsi_devreset(char *tag, struct scsi_cmnd *scmnd, u8 flag)
370{
371 char tmp_tag[ZFCP_DBF_TAG_LEN];
372
373 if (flag == FCP_TMF_TGT_RESET)
374 memcpy(tmp_tag, "tr_", 3);
375 else
376 memcpy(tmp_tag, "lr_", 3);
377
378 memcpy(&tmp_tag[3], tag, 4);
379 _zfcp_dbf_scsi(tmp_tag, 1, scmnd, NULL);
380}
381
382#endif
383