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1da177e4 LT |
1 | #ifndef _GDTH_IOCTL_H |
2 | #define _GDTH_IOCTL_H | |
3 | ||
4 | /* gdth_ioctl.h | |
5 | * $Id: gdth_ioctl.h,v 1.14 2004/02/19 15:43:15 achim Exp $ | |
6 | */ | |
7 | ||
8 | /* IOCTLs */ | |
9 | #define GDTIOCTL_MASK ('J'<<8) | |
10 | #define GDTIOCTL_GENERAL (GDTIOCTL_MASK | 0) /* general IOCTL */ | |
11 | #define GDTIOCTL_DRVERS (GDTIOCTL_MASK | 1) /* get driver version */ | |
12 | #define GDTIOCTL_CTRTYPE (GDTIOCTL_MASK | 2) /* get controller type */ | |
13 | #define GDTIOCTL_OSVERS (GDTIOCTL_MASK | 3) /* get OS version */ | |
14 | #define GDTIOCTL_HDRLIST (GDTIOCTL_MASK | 4) /* get host drive list */ | |
15 | #define GDTIOCTL_CTRCNT (GDTIOCTL_MASK | 5) /* get controller count */ | |
16 | #define GDTIOCTL_LOCKDRV (GDTIOCTL_MASK | 6) /* lock host drive */ | |
17 | #define GDTIOCTL_LOCKCHN (GDTIOCTL_MASK | 7) /* lock channel */ | |
18 | #define GDTIOCTL_EVENT (GDTIOCTL_MASK | 8) /* read controller events */ | |
19 | #define GDTIOCTL_SCSI (GDTIOCTL_MASK | 9) /* SCSI command */ | |
20 | #define GDTIOCTL_RESET_BUS (GDTIOCTL_MASK |10) /* reset SCSI bus */ | |
21 | #define GDTIOCTL_RESCAN (GDTIOCTL_MASK |11) /* rescan host drives */ | |
22 | #define GDTIOCTL_RESET_DRV (GDTIOCTL_MASK |12) /* reset (remote) drv. res. */ | |
23 | ||
24 | #define GDTIOCTL_MAGIC 0xaffe0004 | |
25 | #define EVENT_SIZE 294 | |
26 | #define GDTH_MAXSG 32 /* max. s/g elements */ | |
27 | ||
28 | #define MAX_LDRIVES 255 /* max. log. drive count */ | |
29 | #ifdef GDTH_IOCTL_PROC | |
30 | #define MAX_HDRIVES 100 /* max. host drive count */ | |
31 | #else | |
32 | #define MAX_HDRIVES MAX_LDRIVES /* max. host drive count */ | |
33 | #endif | |
34 | ||
35 | /* typedefs */ | |
36 | #ifdef __KERNEL__ | |
37 | typedef u32 ulong32; | |
38 | typedef u64 ulong64; | |
39 | #endif | |
40 | ||
41 | #define PACKED __attribute__((packed)) | |
42 | ||
43 | /* scatter/gather element */ | |
44 | typedef struct { | |
45 | ulong32 sg_ptr; /* address */ | |
46 | ulong32 sg_len; /* length */ | |
47 | } PACKED gdth_sg_str; | |
48 | ||
49 | /* scatter/gather element - 64bit addresses */ | |
50 | typedef struct { | |
51 | ulong64 sg_ptr; /* address */ | |
52 | ulong32 sg_len; /* length */ | |
53 | } PACKED gdth_sg64_str; | |
54 | ||
55 | /* command structure */ | |
56 | typedef struct { | |
57 | ulong32 BoardNode; /* board node (always 0) */ | |
58 | ulong32 CommandIndex; /* command number */ | |
59 | ushort OpCode; /* the command (READ,..) */ | |
60 | union { | |
61 | struct { | |
62 | ushort DeviceNo; /* number of cache drive */ | |
63 | ulong32 BlockNo; /* block number */ | |
64 | ulong32 BlockCnt; /* block count */ | |
65 | ulong32 DestAddr; /* dest. addr. (if s/g: -1) */ | |
66 | ulong32 sg_canz; /* s/g element count */ | |
67 | gdth_sg_str sg_lst[GDTH_MAXSG]; /* s/g list */ | |
68 | } PACKED cache; /* cache service cmd. str. */ | |
69 | struct { | |
70 | ushort DeviceNo; /* number of cache drive */ | |
71 | ulong64 BlockNo; /* block number */ | |
72 | ulong32 BlockCnt; /* block count */ | |
73 | ulong64 DestAddr; /* dest. addr. (if s/g: -1) */ | |
74 | ulong32 sg_canz; /* s/g element count */ | |
75 | gdth_sg64_str sg_lst[GDTH_MAXSG]; /* s/g list */ | |
76 | } PACKED cache64; /* cache service cmd. str. */ | |
77 | struct { | |
78 | ushort param_size; /* size of p_param buffer */ | |
79 | ulong32 subfunc; /* IOCTL function */ | |
80 | ulong32 channel; /* device */ | |
81 | ulong64 p_param; /* buffer */ | |
82 | } PACKED ioctl; /* IOCTL command structure */ | |
83 | struct { | |
84 | ushort reserved; | |
85 | union { | |
86 | struct { | |
87 | ulong32 msg_handle; /* message handle */ | |
88 | ulong64 msg_addr; /* message buffer address */ | |
89 | } PACKED msg; | |
90 | unchar data[12]; /* buffer for rtc data, ... */ | |
91 | } su; | |
92 | } PACKED screen; /* screen service cmd. str. */ | |
93 | struct { | |
94 | ushort reserved; | |
95 | ulong32 direction; /* data direction */ | |
96 | ulong32 mdisc_time; /* disc. time (0: no timeout)*/ | |
97 | ulong32 mcon_time; /* connect time(0: no to.) */ | |
98 | ulong32 sdata; /* dest. addr. (if s/g: -1) */ | |
99 | ulong32 sdlen; /* data length (bytes) */ | |
100 | ulong32 clen; /* SCSI cmd. length(6,10,12) */ | |
101 | unchar cmd[12]; /* SCSI command */ | |
102 | unchar target; /* target ID */ | |
103 | unchar lun; /* LUN */ | |
104 | unchar bus; /* SCSI bus number */ | |
105 | unchar priority; /* only 0 used */ | |
106 | ulong32 sense_len; /* sense data length */ | |
107 | ulong32 sense_data; /* sense data addr. */ | |
108 | ulong32 link_p; /* linked cmds (not supp.) */ | |
109 | ulong32 sg_ranz; /* s/g element count */ | |
110 | gdth_sg_str sg_lst[GDTH_MAXSG]; /* s/g list */ | |
111 | } PACKED raw; /* raw service cmd. struct. */ | |
112 | struct { | |
113 | ushort reserved; | |
114 | ulong32 direction; /* data direction */ | |
115 | ulong32 mdisc_time; /* disc. time (0: no timeout)*/ | |
116 | ulong32 mcon_time; /* connect time(0: no to.) */ | |
117 | ulong64 sdata; /* dest. addr. (if s/g: -1) */ | |
118 | ulong32 sdlen; /* data length (bytes) */ | |
119 | ulong32 clen; /* SCSI cmd. length(6,..,16) */ | |
120 | unchar cmd[16]; /* SCSI command */ | |
121 | unchar target; /* target ID */ | |
122 | unchar lun; /* LUN */ | |
123 | unchar bus; /* SCSI bus number */ | |
124 | unchar priority; /* only 0 used */ | |
125 | ulong32 sense_len; /* sense data length */ | |
126 | ulong64 sense_data; /* sense data addr. */ | |
127 | ulong32 sg_ranz; /* s/g element count */ | |
128 | gdth_sg64_str sg_lst[GDTH_MAXSG]; /* s/g list */ | |
129 | } PACKED raw64; /* raw service cmd. struct. */ | |
130 | } u; | |
131 | /* additional variables */ | |
132 | unchar Service; /* controller service */ | |
133 | unchar reserved; | |
134 | ushort Status; /* command result */ | |
135 | ulong32 Info; /* additional information */ | |
136 | void *RequestBuffer; /* request buffer */ | |
137 | } PACKED gdth_cmd_str; | |
138 | ||
139 | /* controller event structure */ | |
140 | #define ES_ASYNC 1 | |
141 | #define ES_DRIVER 2 | |
142 | #define ES_TEST 3 | |
143 | #define ES_SYNC 4 | |
144 | typedef struct { | |
145 | ushort size; /* size of structure */ | |
146 | union { | |
147 | char stream[16]; | |
148 | struct { | |
149 | ushort ionode; | |
150 | ushort service; | |
151 | ulong32 index; | |
152 | } PACKED driver; | |
153 | struct { | |
154 | ushort ionode; | |
155 | ushort service; | |
156 | ushort status; | |
157 | ulong32 info; | |
158 | unchar scsi_coord[3]; | |
159 | } PACKED async; | |
160 | struct { | |
161 | ushort ionode; | |
162 | ushort service; | |
163 | ushort status; | |
164 | ulong32 info; | |
165 | ushort hostdrive; | |
166 | unchar scsi_coord[3]; | |
167 | unchar sense_key; | |
168 | } PACKED sync; | |
169 | struct { | |
170 | ulong32 l1, l2, l3, l4; | |
171 | } PACKED test; | |
172 | } eu; | |
173 | ulong32 severity; | |
174 | unchar event_string[256]; | |
175 | } PACKED gdth_evt_data; | |
176 | ||
177 | typedef struct { | |
178 | ulong32 first_stamp; | |
179 | ulong32 last_stamp; | |
180 | ushort same_count; | |
181 | ushort event_source; | |
182 | ushort event_idx; | |
183 | unchar application; | |
184 | unchar reserved; | |
185 | gdth_evt_data event_data; | |
186 | } PACKED gdth_evt_str; | |
187 | ||
188 | ||
189 | #ifdef GDTH_IOCTL_PROC | |
190 | /* IOCTL structure (write) */ | |
191 | typedef struct { | |
192 | ulong32 magic; /* IOCTL magic */ | |
193 | ushort ioctl; /* IOCTL */ | |
194 | ushort ionode; /* controller number */ | |
195 | ushort service; /* controller service */ | |
196 | ushort timeout; /* timeout */ | |
197 | union { | |
198 | struct { | |
199 | unchar command[512]; /* controller command */ | |
200 | unchar data[1]; /* add. data */ | |
201 | } general; | |
202 | struct { | |
203 | unchar lock; /* lock/unlock */ | |
204 | unchar drive_cnt; /* drive count */ | |
205 | ushort drives[MAX_HDRIVES];/* drives */ | |
206 | } lockdrv; | |
207 | struct { | |
208 | unchar lock; /* lock/unlock */ | |
209 | unchar channel; /* channel */ | |
210 | } lockchn; | |
211 | struct { | |
212 | int erase; /* erase event ? */ | |
213 | int handle; | |
214 | unchar evt[EVENT_SIZE]; /* event structure */ | |
215 | } event; | |
216 | struct { | |
217 | unchar bus; /* SCSI bus */ | |
218 | unchar target; /* target ID */ | |
219 | unchar lun; /* LUN */ | |
220 | unchar cmd_len; /* command length */ | |
221 | unchar cmd[12]; /* SCSI command */ | |
222 | } scsi; | |
223 | struct { | |
224 | ushort hdr_no; /* host drive number */ | |
225 | unchar flag; /* old meth./add/remove */ | |
226 | } rescan; | |
227 | } iu; | |
228 | } gdth_iowr_str; | |
229 | ||
230 | /* IOCTL structure (read) */ | |
231 | typedef struct { | |
232 | ulong32 size; /* buffer size */ | |
233 | ulong32 status; /* IOCTL error code */ | |
234 | union { | |
235 | struct { | |
236 | unchar data[1]; /* data */ | |
237 | } general; | |
238 | struct { | |
239 | ushort version; /* driver version */ | |
240 | } drvers; | |
241 | struct { | |
242 | unchar type; /* controller type */ | |
243 | ushort info; /* slot etc. */ | |
244 | ushort oem_id; /* OEM ID */ | |
245 | ushort bios_ver; /* not used */ | |
246 | ushort access; /* not used */ | |
247 | ushort ext_type; /* extended type */ | |
248 | ushort device_id; /* device ID */ | |
249 | ushort sub_device_id; /* sub device ID */ | |
250 | } ctrtype; | |
251 | struct { | |
252 | unchar version; /* OS version */ | |
253 | unchar subversion; /* OS subversion */ | |
254 | ushort revision; /* revision */ | |
255 | } osvers; | |
256 | struct { | |
257 | ushort count; /* controller count */ | |
258 | } ctrcnt; | |
259 | struct { | |
260 | int handle; | |
261 | unchar evt[EVENT_SIZE]; /* event structure */ | |
262 | } event; | |
263 | struct { | |
264 | unchar bus; /* SCSI bus, 0xff: invalid */ | |
265 | unchar target; /* target ID */ | |
266 | unchar lun; /* LUN */ | |
267 | unchar cluster_type; /* cluster properties */ | |
268 | } hdr_list[MAX_HDRIVES]; /* index is host drive number */ | |
269 | } iu; | |
270 | } gdth_iord_str; | |
271 | #endif | |
272 | ||
273 | /* GDTIOCTL_GENERAL */ | |
274 | typedef struct { | |
275 | ushort ionode; /* controller number */ | |
276 | ushort timeout; /* timeout */ | |
277 | ulong32 info; /* error info */ | |
278 | ushort status; /* status */ | |
279 | ulong data_len; /* data buffer size */ | |
280 | ulong sense_len; /* sense buffer size */ | |
281 | gdth_cmd_str command; /* command */ | |
282 | } gdth_ioctl_general; | |
283 | ||
284 | /* GDTIOCTL_LOCKDRV */ | |
285 | typedef struct { | |
286 | ushort ionode; /* controller number */ | |
287 | unchar lock; /* lock/unlock */ | |
288 | unchar drive_cnt; /* drive count */ | |
289 | ushort drives[MAX_HDRIVES]; /* drives */ | |
290 | } gdth_ioctl_lockdrv; | |
291 | ||
292 | /* GDTIOCTL_LOCKCHN */ | |
293 | typedef struct { | |
294 | ushort ionode; /* controller number */ | |
295 | unchar lock; /* lock/unlock */ | |
296 | unchar channel; /* channel */ | |
297 | } gdth_ioctl_lockchn; | |
298 | ||
299 | /* GDTIOCTL_OSVERS */ | |
300 | typedef struct { | |
301 | unchar version; /* OS version */ | |
302 | unchar subversion; /* OS subversion */ | |
303 | ushort revision; /* revision */ | |
304 | } gdth_ioctl_osvers; | |
305 | ||
306 | /* GDTIOCTL_CTRTYPE */ | |
307 | typedef struct { | |
308 | ushort ionode; /* controller number */ | |
309 | unchar type; /* controller type */ | |
310 | ushort info; /* slot etc. */ | |
311 | ushort oem_id; /* OEM ID */ | |
312 | ushort bios_ver; /* not used */ | |
313 | ushort access; /* not used */ | |
314 | ushort ext_type; /* extended type */ | |
315 | ushort device_id; /* device ID */ | |
316 | ushort sub_device_id; /* sub device ID */ | |
317 | } gdth_ioctl_ctrtype; | |
318 | ||
319 | /* GDTIOCTL_EVENT */ | |
320 | typedef struct { | |
321 | ushort ionode; | |
322 | int erase; /* erase event? */ | |
323 | int handle; /* event handle */ | |
324 | gdth_evt_str event; | |
325 | } gdth_ioctl_event; | |
326 | ||
327 | /* GDTIOCTL_RESCAN/GDTIOCTL_HDRLIST */ | |
328 | typedef struct { | |
329 | ushort ionode; /* controller number */ | |
330 | unchar flag; /* add/remove */ | |
331 | ushort hdr_no; /* drive no. */ | |
332 | struct { | |
333 | unchar bus; /* SCSI bus */ | |
334 | unchar target; /* target ID */ | |
335 | unchar lun; /* LUN */ | |
336 | unchar cluster_type; /* cluster properties */ | |
337 | } hdr_list[MAX_HDRIVES]; /* index is host drive number */ | |
338 | } gdth_ioctl_rescan; | |
339 | ||
340 | /* GDTIOCTL_RESET_BUS/GDTIOCTL_RESET_DRV */ | |
341 | typedef struct { | |
342 | ushort ionode; /* controller number */ | |
343 | ushort number; /* bus/host drive number */ | |
344 | ushort status; /* status */ | |
345 | } gdth_ioctl_reset; | |
346 | ||
347 | #endif |