[SCSI] zfcp: Refine trace levels of some recovery related events.
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / s390 / scsi / zfcp_dbf.h
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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
29struct 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
37struct zfcp_rec_dbf_record_thread {
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38 u32 total;
39 u32 ready;
40 u32 running;
41} __attribute__ ((packed));
42
43struct 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} __attribute__ ((packed));
51
52struct 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} __attribute__ ((packed));
63
64struct zfcp_rec_dbf_record_action {
65 u32 status;
66 u32 step;
67 u64 action;
68 u64 fsf_req;
69} __attribute__ ((packed));
70
71struct 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} __attribute__ ((packed));
81
82enum {
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
89struct 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;
e891bffe 100 u8 sbal_last;
c3baa9a2 101 u8 sbal_response;
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102 u8 pool;
103 u64 erp_action;
104 union {
105 struct {
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106 u64 cmnd;
107 u64 serial;
108 } fcp;
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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;
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123 } els;
124 } u;
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125} __attribute__ ((packed));
126
127struct 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
141struct zfcp_hba_dbf_record_qdio {
142 u32 status;
143 u32 qdio_error;
144 u32 siga_error;
145 u8 sbal_index;
146 u8 sbal_count;
147} __attribute__ ((packed));
148
149struct zfcp_hba_dbf_record {
150 u8 tag[ZFCP_DBF_TAG_SIZE];
151 u8 tag2[ZFCP_DBF_TAG_SIZE];
152 union {
153 struct zfcp_hba_dbf_record_response response;
154 struct zfcp_hba_dbf_record_status status;
155 struct zfcp_hba_dbf_record_qdio qdio;
6bc473dd 156 } u;
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157} __attribute__ ((packed));
158
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159struct zfcp_san_dbf_record_ct_request {
160 u16 cmd_req_code;
161 u8 revision;
162 u8 gs_type;
163 u8 gs_subtype;
164 u8 options;
165 u16 max_res_size;
166 u32 len;
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167#define ZFCP_DBF_CT_PAYLOAD 24
168 u8 payload[ZFCP_DBF_CT_PAYLOAD];
169} __attribute__ ((packed));
170
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171struct zfcp_san_dbf_record_ct_response {
172 u16 cmd_rsp_code;
173 u8 revision;
174 u8 reason_code;
175 u8 expl;
176 u8 vendor_unique;
177 u32 len;
178 u8 payload[ZFCP_DBF_CT_PAYLOAD];
179} __attribute__ ((packed));
180
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181struct zfcp_san_dbf_record_els {
182 u8 ls_code;
6bc473dd 183 u32 len;
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184#define ZFCP_DBF_ELS_PAYLOAD 32
185#define ZFCP_DBF_ELS_MAX_PAYLOAD 1024
186 u8 payload[ZFCP_DBF_ELS_PAYLOAD];
187} __attribute__ ((packed));
188
189struct zfcp_san_dbf_record {
190 u8 tag[ZFCP_DBF_TAG_SIZE];
191 u64 fsf_reqid;
192 u32 fsf_seqno;
193 u32 s_id;
194 u32 d_id;
195 union {
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196 struct zfcp_san_dbf_record_ct_request ct_req;
197 struct zfcp_san_dbf_record_ct_response ct_resp;
2b604c9b 198 struct zfcp_san_dbf_record_els els;
6bc473dd 199 } u;
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200} __attribute__ ((packed));
201
202struct zfcp_scsi_dbf_record {
203 u8 tag[ZFCP_DBF_TAG_SIZE];
204 u8 tag2[ZFCP_DBF_TAG_SIZE];
205 u32 scsi_id;
206 u32 scsi_lun;
207 u32 scsi_result;
208 u64 scsi_cmnd;
209 u64 scsi_serial;
210#define ZFCP_DBF_SCSI_OPCODE 16
211 u8 scsi_opcode[ZFCP_DBF_SCSI_OPCODE];
212 u8 scsi_retries;
213 u8 scsi_allowed;
214 u64 fsf_reqid;
215 u32 fsf_seqno;
216 u64 fsf_issued;
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217 u64 old_fsf_reqid;
218 u8 rsp_validity;
219 u8 rsp_scsi_status;
220 u32 rsp_resid;
221 u8 rsp_code;
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222#define ZFCP_DBF_SCSI_FCP_SNS_INFO 16
223#define ZFCP_DBF_SCSI_MAX_FCP_SNS_INFO 256
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224 u32 sns_info_len;
225 u8 sns_info[ZFCP_DBF_SCSI_FCP_SNS_INFO];
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226} __attribute__ ((packed));
227
228#endif /* ZFCP_DBF_H */