aboutsummaryrefslogtreecommitdiff
path: root/drivers/s390/scsi/zfcp_dbf.h
blob: 74998ff88e571f66aac43715ba6add85667e9dd3 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
/*
 * This file is part of the zfcp device driver for
 * FCP adapters for IBM System z9 and zSeries.
 *
 * Copyright IBM Corp. 2008, 2008
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2, or (at your option)
 * any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#ifndef ZFCP_DBF_H
#define ZFCP_DBF_H

#include "zfcp_fsf.h"

#define ZFCP_DBF_TAG_SIZE      4

struct zfcp_dbf_dump {
	u8 tag[ZFCP_DBF_TAG_SIZE];
	u32 total_size;		/* size of total dump data */
	u32 offset;		/* how much data has being already dumped */
	u32 size;		/* how much data comes with this record */
	u8 data[];		/* dump data */
} __attribute__ ((packed));

struct zfcp_rec_dbf_record_thread {
	u32 total;
	u32 ready;
	u32 running;
};

struct zfcp_rec_dbf_record_target {
	u64 ref;
	u32 status;
	u32 d_id;
	u64 wwpn;
	u64 fcp_lun;
	u32 erp_count;
};

struct zfcp_rec_dbf_record_trigger {
	u8 want;
	u8 need;
	u32 as;
	u32 ps;
	u32 us;
	u64 ref;
	u64 action;
	u64 wwpn;
	u64 fcp_lun;
};

struct zfcp_rec_dbf_record_action {
	u32 status;
	u32 step;
	u64 action;
	u64 fsf_req;
};

struct zfcp_rec_dbf_record {
	u8 id;
	u8 id2;
	union {
		struct zfcp_rec_dbf_record_action action;
		struct zfcp_rec_dbf_record_thread thread;
		struct zfcp_rec_dbf_record_target target;
		struct zfcp_rec_dbf_record_trigger trigger;
	} u;
};

enum {
	ZFCP_REC_DBF_ID_ACTION,
	ZFCP_REC_DBF_ID_THREAD,
	ZFCP_REC_DBF_ID_TARGET,
	ZFCP_REC_DBF_ID_TRIGGER,
};

struct zfcp_hba_dbf_record_response {
	u32 fsf_command;
	u64 fsf_reqid;
	u32 fsf_seqno;
	u64 fsf_issued;
	u32 fsf_prot_status;
	u32 fsf_status;
	u8 fsf_prot_status_qual[FSF_PROT_STATUS_QUAL_SIZE];
	u8 fsf_status_qual[FSF_STATUS_QUALIFIER_SIZE];
	u32 fsf_req_status;
	u8 sbal_first;
	u8 sbal_last;
	u8 sbal_response;
	u8 pool;
	u64 erp_action;
	union {
		struct {
			u64 cmnd;
			u64 serial;
		} fcp;
		struct {
			u64 wwpn;
			u32 d_id;
			u32 port_handle;
		} port;
		struct {
			u64 wwpn;
			u64 fcp_lun;
			u32 port_handle;
			u32 lun_handle;
		} unit;
		struct {
			u32 d_id;
			u8 ls_code;
		} els;
	} u;
} __attribute__ ((packed));

struct zfcp_hba_dbf_record_status {
	u8 failed;
	u32 status_type;
	u32 status_subtype;
	struct fsf_queue_designator
	 queue_designator;
	u32 payload_size;
#define ZFCP_DBF_UNSOL_PAYLOAD				80
#define ZFCP_DBF_UNSOL_PAYLOAD_SENSE_DATA_AVAIL		32
#define ZFCP_DBF_UNSOL_PAYLOAD_BIT_ERROR_THRESHOLD	56
#define ZFCP_DBF_UNSOL_PAYLOAD_FEATURE_UPDATE_ALERT	2 * sizeof(u32)
	u8 payload[ZFCP_DBF_UNSOL_PAYLOAD];
} __attribute__ ((packed));

struct zfcp_hba_dbf_record_qdio {
	u32 qdio_error;
	u8 sbal_index;
	u8 sbal_count;
} __attribute__ ((packed));

struct zfcp_hba_dbf_record {
	u8 tag[ZFCP_DBF_TAG_SIZE];
	u8 tag2[ZFCP_DBF_TAG_SIZE];
	union {
		struct zfcp_hba_dbf_record_response response;
		struct zfcp_hba_dbf_record_status status;
		struct zfcp_hba_dbf_record_qdio qdio;
		struct fsf_bit_error_payload berr;
	} u;
} __attribute__ ((packed));

struct zfcp_san_dbf_record_ct_request {
	u16 cmd_req_code;
	u8 revision;
	u8 gs_type;
	u8 gs_subtype;
	u8 options;
	u16 max_res_size;
	u32 len;
} __attribute__ ((packed));

struct zfcp_san_dbf_record_ct_response {
	u16 cmd_rsp_code;
	u8 revision;
	u8 reason_code;
	u8 expl;
	u8 vendor_unique;
	u16 max_res_size;
	u32 len;
} __attribute__ ((packed));

struct zfcp_san_dbf_record_els {
	u8 ls_code;
	u32 len;
} __attribute__ ((packed));

struct zfcp_san_dbf_record {
	u8 tag[ZFCP_DBF_TAG_SIZE];
	u64 fsf_reqid;
	u32 fsf_seqno;
	u32 s_id;
	u32 d_id;
	union {
		struct zfcp_san_dbf_record_ct_request ct_req;
		struct zfcp_san_dbf_record_ct_response ct_resp;
		struct zfcp_san_dbf_record_els els;
	} u;
#define ZFCP_DBF_SAN_MAX_PAYLOAD 1024
	u8 payload[32];
} __attribute__ ((packed));

struct zfcp_scsi_dbf_record {
	u8 tag[ZFCP_DBF_TAG_SIZE];
	u8 tag2[ZFCP_DBF_TAG_SIZE];
	u32 scsi_id;
	u32 scsi_lun;
	u32 scsi_result;
	u64 scsi_cmnd;
	u64 scsi_serial;
#define ZFCP_DBF_SCSI_OPCODE	16
	u8 scsi_opcode[ZFCP_DBF_SCSI_OPCODE];
	u8 scsi_retries;
	u8 scsi_allowed;
	u64 fsf_reqid;
	u32 fsf_seqno;
	u64 fsf_issued;
	u64 old_fsf_reqid;
	u8 rsp_validity;
	u8 rsp_scsi_status;
	u32 rsp_resid;
	u8 rsp_code;
#define ZFCP_DBF_SCSI_FCP_SNS_INFO	16
#define ZFCP_DBF_SCSI_MAX_FCP_SNS_INFO	256
	u32 sns_info_len;
	u8 sns_info[ZFCP_DBF_SCSI_FCP_SNS_INFO];
} __attribute__ ((packed));

#endif /* ZFCP_DBF_H */