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21#ifndef VIOSRP_H
22#define VIOSRP_H
23#include <scsi/srp.h>
24
25#define SRP_VERSION "16.a"
26#define SRP_MAX_IU_LEN 256
27#define SRP_MAX_LOC_LEN 32
28
29union srp_iu {
30 struct srp_login_req login_req;
31 struct srp_login_rsp login_rsp;
32 struct srp_login_rej login_rej;
33 struct srp_i_logout i_logout;
34 struct srp_t_logout t_logout;
35 struct srp_tsk_mgmt tsk_mgmt;
36 struct srp_cmd cmd;
37 struct srp_rsp rsp;
38 u8 reserved[SRP_MAX_IU_LEN];
39};
40
41enum viosrp_crq_headers {
42 VIOSRP_CRQ_FREE = 0x00,
43 VIOSRP_CRQ_CMD_RSP = 0x80,
44 VIOSRP_CRQ_INIT_RSP = 0xC0,
45 VIOSRP_CRQ_XPORT_EVENT = 0xFF
46};
47
48enum viosrp_crq_init_formats {
49 VIOSRP_CRQ_INIT = 0x01,
50 VIOSRP_CRQ_INIT_COMPLETE = 0x02
51};
52
53enum viosrp_crq_formats {
54 VIOSRP_SRP_FORMAT = 0x01,
55 VIOSRP_MAD_FORMAT = 0x02,
56 VIOSRP_OS400_FORMAT = 0x03,
57 VIOSRP_AIX_FORMAT = 0x04,
58 VIOSRP_LINUX_FORMAT = 0x05,
59 VIOSRP_INLINE_FORMAT = 0x06
60};
61
62enum viosrp_crq_status {
63 VIOSRP_OK = 0x0,
64 VIOSRP_NONRECOVERABLE_ERR = 0x1,
65 VIOSRP_VIOLATES_MAX_XFER = 0x2,
66 VIOSRP_PARTNER_PANIC = 0x3,
67 VIOSRP_DEVICE_BUSY = 0x8,
68 VIOSRP_ADAPTER_FAIL = 0x10,
69 VIOSRP_OK2 = 0x99,
70};
71
72struct viosrp_crq {
73 u8 valid;
74 u8 format;
75 u8 reserved;
76 u8 status;
77 __be16 timeout;
78 __be16 IU_length;
79 __be64 IU_data_ptr;
80};
81
82
83
84
85enum viosrp_mad_types {
86 VIOSRP_EMPTY_IU_TYPE = 0x01,
87 VIOSRP_ERROR_LOG_TYPE = 0x02,
88 VIOSRP_ADAPTER_INFO_TYPE = 0x03,
89 VIOSRP_CAPABILITIES_TYPE = 0x05,
90 VIOSRP_ENABLE_FAST_FAIL = 0x08,
91};
92
93enum viosrp_mad_status {
94 VIOSRP_MAD_SUCCESS = 0x00,
95 VIOSRP_MAD_NOT_SUPPORTED = 0xF1,
96 VIOSRP_MAD_FAILED = 0xF7,
97};
98
99enum viosrp_capability_type {
100 MIGRATION_CAPABILITIES = 0x01,
101 RESERVATION_CAPABILITIES = 0x02,
102};
103
104enum viosrp_capability_support {
105 SERVER_DOES_NOT_SUPPORTS_CAP = 0x0,
106 SERVER_SUPPORTS_CAP = 0x01,
107 SERVER_CAP_DATA = 0x02,
108};
109
110enum viosrp_reserve_type {
111 CLIENT_RESERVE_SCSI_2 = 0x01,
112};
113
114enum viosrp_capability_flag {
115 CLIENT_MIGRATED = 0x01,
116 CLIENT_RECONNECT = 0x02,
117 CAP_LIST_SUPPORTED = 0x04,
118 CAP_LIST_DATA = 0x08,
119};
120
121
122
123
124struct mad_common {
125 __be32 type;
126 __be16 status;
127 __be16 length;
128 __be64 tag;
129};
130
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136
137
138struct viosrp_empty_iu {
139 struct mad_common common;
140 __be64 buffer;
141 __be32 port;
142};
143
144struct viosrp_error_log {
145 struct mad_common common;
146 __be64 buffer;
147};
148
149struct viosrp_adapter_info {
150 struct mad_common common;
151 __be64 buffer;
152};
153
154struct viosrp_fast_fail {
155 struct mad_common common;
156};
157
158struct viosrp_capabilities {
159 struct mad_common common;
160 __be64 buffer;
161};
162
163struct mad_capability_common {
164 __be32 cap_type;
165 __be16 length;
166 __be16 server_support;
167};
168
169struct mad_reserve_cap {
170 struct mad_capability_common common;
171 __be32 type;
172};
173
174struct mad_migration_cap {
175 struct mad_capability_common common;
176 __be32 ecl;
177};
178
179struct capabilities {
180 __be32 flags;
181 char name[SRP_MAX_LOC_LEN];
182 char loc[SRP_MAX_LOC_LEN];
183 struct mad_migration_cap migration;
184 struct mad_reserve_cap reserve;
185};
186
187union mad_iu {
188 struct viosrp_empty_iu empty_iu;
189 struct viosrp_error_log error_log;
190 struct viosrp_adapter_info adapter_info;
191 struct viosrp_fast_fail fast_fail;
192 struct viosrp_capabilities capabilities;
193};
194
195union viosrp_iu {
196 union srp_iu srp;
197 union mad_iu mad;
198};
199
200struct mad_adapter_info_data {
201 char srp_version[8];
202 char partition_name[96];
203 __be32 partition_number;
204#define SRP_MAD_VERSION_1 1
205 __be32 mad_version;
206#define SRP_MAD_OS_LINUX 2
207#define SRP_MAD_OS_AIX 3
208 __be32 os_type;
209 __be32 port_max_txu[8];
210};
211
212#endif
213
