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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
1da177e4 LT |
2 | #ifndef _GDTH_IOCTL_H |
3 | #define _GDTH_IOCTL_H | |
4 | ||
5 | /* gdth_ioctl.h | |
6 | * $Id: gdth_ioctl.h,v 1.14 2004/02/19 15:43:15 achim Exp $ | |
7 | */ | |
8 | ||
9 | /* IOCTLs */ | |
10 | #define GDTIOCTL_MASK ('J'<<8) | |
11 | #define GDTIOCTL_GENERAL (GDTIOCTL_MASK | 0) /* general IOCTL */ | |
12 | #define GDTIOCTL_DRVERS (GDTIOCTL_MASK | 1) /* get driver version */ | |
13 | #define GDTIOCTL_CTRTYPE (GDTIOCTL_MASK | 2) /* get controller type */ | |
14 | #define GDTIOCTL_OSVERS (GDTIOCTL_MASK | 3) /* get OS version */ | |
15 | #define GDTIOCTL_HDRLIST (GDTIOCTL_MASK | 4) /* get host drive list */ | |
16 | #define GDTIOCTL_CTRCNT (GDTIOCTL_MASK | 5) /* get controller count */ | |
17 | #define GDTIOCTL_LOCKDRV (GDTIOCTL_MASK | 6) /* lock host drive */ | |
18 | #define GDTIOCTL_LOCKCHN (GDTIOCTL_MASK | 7) /* lock channel */ | |
19 | #define GDTIOCTL_EVENT (GDTIOCTL_MASK | 8) /* read controller events */ | |
20 | #define GDTIOCTL_SCSI (GDTIOCTL_MASK | 9) /* SCSI command */ | |
21 | #define GDTIOCTL_RESET_BUS (GDTIOCTL_MASK |10) /* reset SCSI bus */ | |
22 | #define GDTIOCTL_RESCAN (GDTIOCTL_MASK |11) /* rescan host drives */ | |
23 | #define GDTIOCTL_RESET_DRV (GDTIOCTL_MASK |12) /* reset (remote) drv. res. */ | |
24 | ||
25 | #define GDTIOCTL_MAGIC 0xaffe0004 | |
26 | #define EVENT_SIZE 294 | |
27 | #define GDTH_MAXSG 32 /* max. s/g elements */ | |
28 | ||
29 | #define MAX_LDRIVES 255 /* max. log. drive count */ | |
1da177e4 | 30 | #define MAX_HDRIVES MAX_LDRIVES /* max. host drive count */ |
1da177e4 | 31 | |
1da177e4 LT |
32 | /* scatter/gather element */ |
33 | typedef struct { | |
1fe6dbf4 DJ |
34 | u32 sg_ptr; /* address */ |
35 | u32 sg_len; /* length */ | |
36 | } __attribute__((packed)) gdth_sg_str; | |
1da177e4 LT |
37 | |
38 | /* scatter/gather element - 64bit addresses */ | |
39 | typedef struct { | |
1fe6dbf4 DJ |
40 | u64 sg_ptr; /* address */ |
41 | u32 sg_len; /* length */ | |
42 | } __attribute__((packed)) gdth_sg64_str; | |
1da177e4 LT |
43 | |
44 | /* command structure */ | |
45 | typedef struct { | |
1fe6dbf4 DJ |
46 | u32 BoardNode; /* board node (always 0) */ |
47 | u32 CommandIndex; /* command number */ | |
48 | u16 OpCode; /* the command (READ,..) */ | |
1da177e4 LT |
49 | union { |
50 | struct { | |
1fe6dbf4 DJ |
51 | u16 DeviceNo; /* number of cache drive */ |
52 | u32 BlockNo; /* block number */ | |
53 | u32 BlockCnt; /* block count */ | |
54 | u32 DestAddr; /* dest. addr. (if s/g: -1) */ | |
55 | u32 sg_canz; /* s/g element count */ | |
1da177e4 | 56 | gdth_sg_str sg_lst[GDTH_MAXSG]; /* s/g list */ |
1fe6dbf4 | 57 | } __attribute__((packed)) cache; /* cache service cmd. str. */ |
1da177e4 | 58 | struct { |
1fe6dbf4 DJ |
59 | u16 DeviceNo; /* number of cache drive */ |
60 | u64 BlockNo; /* block number */ | |
61 | u32 BlockCnt; /* block count */ | |
62 | u64 DestAddr; /* dest. addr. (if s/g: -1) */ | |
63 | u32 sg_canz; /* s/g element count */ | |
1da177e4 | 64 | gdth_sg64_str sg_lst[GDTH_MAXSG]; /* s/g list */ |
1fe6dbf4 | 65 | } __attribute__((packed)) cache64; /* cache service cmd. str. */ |
1da177e4 | 66 | struct { |
1fe6dbf4 DJ |
67 | u16 param_size; /* size of p_param buffer */ |
68 | u32 subfunc; /* IOCTL function */ | |
69 | u32 channel; /* device */ | |
70 | u64 p_param; /* buffer */ | |
71 | } __attribute__((packed)) ioctl; /* IOCTL command structure */ | |
1da177e4 | 72 | struct { |
1fe6dbf4 | 73 | u16 reserved; |
1da177e4 LT |
74 | union { |
75 | struct { | |
1fe6dbf4 DJ |
76 | u32 msg_handle; /* message handle */ |
77 | u64 msg_addr; /* message buffer address */ | |
78 | } __attribute__((packed)) msg; | |
79 | u8 data[12]; /* buffer for rtc data, ... */ | |
1da177e4 | 80 | } su; |
1fe6dbf4 | 81 | } __attribute__((packed)) screen; /* screen service cmd. str. */ |
1da177e4 | 82 | struct { |
1fe6dbf4 DJ |
83 | u16 reserved; |
84 | u32 direction; /* data direction */ | |
85 | u32 mdisc_time; /* disc. time (0: no timeout)*/ | |
86 | u32 mcon_time; /* connect time(0: no to.) */ | |
87 | u32 sdata; /* dest. addr. (if s/g: -1) */ | |
88 | u32 sdlen; /* data length (bytes) */ | |
89 | u32 clen; /* SCSI cmd. length(6,10,12) */ | |
90 | u8 cmd[12]; /* SCSI command */ | |
91 | u8 target; /* target ID */ | |
92 | u8 lun; /* LUN */ | |
93 | u8 bus; /* SCSI bus number */ | |
94 | u8 priority; /* only 0 used */ | |
95 | u32 sense_len; /* sense data length */ | |
96 | u32 sense_data; /* sense data addr. */ | |
97 | u32 link_p; /* linked cmds (not supp.) */ | |
98 | u32 sg_ranz; /* s/g element count */ | |
1da177e4 | 99 | gdth_sg_str sg_lst[GDTH_MAXSG]; /* s/g list */ |
1fe6dbf4 | 100 | } __attribute__((packed)) raw; /* raw service cmd. struct. */ |
1da177e4 | 101 | struct { |
1fe6dbf4 DJ |
102 | u16 reserved; |
103 | u32 direction; /* data direction */ | |
104 | u32 mdisc_time; /* disc. time (0: no timeout)*/ | |
105 | u32 mcon_time; /* connect time(0: no to.) */ | |
106 | u64 sdata; /* dest. addr. (if s/g: -1) */ | |
107 | u32 sdlen; /* data length (bytes) */ | |
108 | u32 clen; /* SCSI cmd. length(6,..,16) */ | |
109 | u8 cmd[16]; /* SCSI command */ | |
110 | u8 target; /* target ID */ | |
111 | u8 lun; /* LUN */ | |
112 | u8 bus; /* SCSI bus number */ | |
113 | u8 priority; /* only 0 used */ | |
114 | u32 sense_len; /* sense data length */ | |
115 | u64 sense_data; /* sense data addr. */ | |
116 | u32 sg_ranz; /* s/g element count */ | |
1da177e4 | 117 | gdth_sg64_str sg_lst[GDTH_MAXSG]; /* s/g list */ |
1fe6dbf4 | 118 | } __attribute__((packed)) raw64; /* raw service cmd. struct. */ |
1da177e4 LT |
119 | } u; |
120 | /* additional variables */ | |
1fe6dbf4 DJ |
121 | u8 Service; /* controller service */ |
122 | u8 reserved; | |
123 | u16 Status; /* command result */ | |
124 | u32 Info; /* additional information */ | |
1da177e4 | 125 | void *RequestBuffer; /* request buffer */ |
1fe6dbf4 | 126 | } __attribute__((packed)) gdth_cmd_str; |
1da177e4 LT |
127 | |
128 | /* controller event structure */ | |
129 | #define ES_ASYNC 1 | |
130 | #define ES_DRIVER 2 | |
131 | #define ES_TEST 3 | |
132 | #define ES_SYNC 4 | |
133 | typedef struct { | |
1fe6dbf4 | 134 | u16 size; /* size of structure */ |
1da177e4 LT |
135 | union { |
136 | char stream[16]; | |
137 | struct { | |
1fe6dbf4 DJ |
138 | u16 ionode; |
139 | u16 service; | |
140 | u32 index; | |
141 | } __attribute__((packed)) driver; | |
1da177e4 | 142 | struct { |
1fe6dbf4 DJ |
143 | u16 ionode; |
144 | u16 service; | |
145 | u16 status; | |
146 | u32 info; | |
147 | u8 scsi_coord[3]; | |
148 | } __attribute__((packed)) async; | |
1da177e4 | 149 | struct { |
1fe6dbf4 DJ |
150 | u16 ionode; |
151 | u16 service; | |
152 | u16 status; | |
153 | u32 info; | |
154 | u16 hostdrive; | |
155 | u8 scsi_coord[3]; | |
156 | u8 sense_key; | |
157 | } __attribute__((packed)) sync; | |
1da177e4 | 158 | struct { |
1fe6dbf4 DJ |
159 | u32 l1, l2, l3, l4; |
160 | } __attribute__((packed)) test; | |
1da177e4 | 161 | } eu; |
1fe6dbf4 DJ |
162 | u32 severity; |
163 | u8 event_string[256]; | |
164 | } __attribute__((packed)) gdth_evt_data; | |
1da177e4 LT |
165 | |
166 | typedef struct { | |
1fe6dbf4 DJ |
167 | u32 first_stamp; |
168 | u32 last_stamp; | |
169 | u16 same_count; | |
170 | u16 event_source; | |
171 | u16 event_idx; | |
172 | u8 application; | |
173 | u8 reserved; | |
1da177e4 | 174 | gdth_evt_data event_data; |
1fe6dbf4 | 175 | } __attribute__((packed)) gdth_evt_str; |
1da177e4 | 176 | |
1da177e4 LT |
177 | /* GDTIOCTL_GENERAL */ |
178 | typedef struct { | |
1fe6dbf4 DJ |
179 | u16 ionode; /* controller number */ |
180 | u16 timeout; /* timeout */ | |
181 | u32 info; /* error info */ | |
182 | u16 status; /* status */ | |
183 | unsigned long data_len; /* data buffer size */ | |
184 | unsigned long sense_len; /* sense buffer size */ | |
1da177e4 LT |
185 | gdth_cmd_str command; /* command */ |
186 | } gdth_ioctl_general; | |
187 | ||
188 | /* GDTIOCTL_LOCKDRV */ | |
189 | typedef struct { | |
1fe6dbf4 DJ |
190 | u16 ionode; /* controller number */ |
191 | u8 lock; /* lock/unlock */ | |
192 | u8 drive_cnt; /* drive count */ | |
193 | u16 drives[MAX_HDRIVES]; /* drives */ | |
1da177e4 LT |
194 | } gdth_ioctl_lockdrv; |
195 | ||
196 | /* GDTIOCTL_LOCKCHN */ | |
197 | typedef struct { | |
1fe6dbf4 DJ |
198 | u16 ionode; /* controller number */ |
199 | u8 lock; /* lock/unlock */ | |
200 | u8 channel; /* channel */ | |
1da177e4 LT |
201 | } gdth_ioctl_lockchn; |
202 | ||
203 | /* GDTIOCTL_OSVERS */ | |
204 | typedef struct { | |
1fe6dbf4 DJ |
205 | u8 version; /* OS version */ |
206 | u8 subversion; /* OS subversion */ | |
207 | u16 revision; /* revision */ | |
1da177e4 LT |
208 | } gdth_ioctl_osvers; |
209 | ||
210 | /* GDTIOCTL_CTRTYPE */ | |
211 | typedef struct { | |
1fe6dbf4 DJ |
212 | u16 ionode; /* controller number */ |
213 | u8 type; /* controller type */ | |
214 | u16 info; /* slot etc. */ | |
215 | u16 oem_id; /* OEM ID */ | |
216 | u16 bios_ver; /* not used */ | |
217 | u16 access; /* not used */ | |
218 | u16 ext_type; /* extended type */ | |
219 | u16 device_id; /* device ID */ | |
220 | u16 sub_device_id; /* sub device ID */ | |
1da177e4 LT |
221 | } gdth_ioctl_ctrtype; |
222 | ||
223 | /* GDTIOCTL_EVENT */ | |
224 | typedef struct { | |
1fe6dbf4 | 225 | u16 ionode; |
1da177e4 LT |
226 | int erase; /* erase event? */ |
227 | int handle; /* event handle */ | |
228 | gdth_evt_str event; | |
229 | } gdth_ioctl_event; | |
230 | ||
231 | /* GDTIOCTL_RESCAN/GDTIOCTL_HDRLIST */ | |
232 | typedef struct { | |
1fe6dbf4 DJ |
233 | u16 ionode; /* controller number */ |
234 | u8 flag; /* add/remove */ | |
235 | u16 hdr_no; /* drive no. */ | |
1da177e4 | 236 | struct { |
1fe6dbf4 DJ |
237 | u8 bus; /* SCSI bus */ |
238 | u8 target; /* target ID */ | |
239 | u8 lun; /* LUN */ | |
240 | u8 cluster_type; /* cluster properties */ | |
1da177e4 LT |
241 | } hdr_list[MAX_HDRIVES]; /* index is host drive number */ |
242 | } gdth_ioctl_rescan; | |
243 | ||
244 | /* GDTIOCTL_RESET_BUS/GDTIOCTL_RESET_DRV */ | |
245 | typedef struct { | |
1fe6dbf4 DJ |
246 | u16 ionode; /* controller number */ |
247 | u16 number; /* bus/host drive number */ | |
248 | u16 status; /* status */ | |
1da177e4 LT |
249 | } gdth_ioctl_reset; |
250 | ||
251 | #endif |