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1/* SPDX-License-Identifier: GPL-2.0 */
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 */
30#ifdef GDTH_IOCTL_PROC
31#define MAX_HDRIVES 100 /* max. host drive count */
32#else
33#define MAX_HDRIVES MAX_LDRIVES /* max. host drive count */
34#endif
35
36/* scatter/gather element */
37typedef struct {
38 u32 sg_ptr; /* address */
39 u32 sg_len; /* length */
40} __attribute__((packed)) gdth_sg_str;
41
42/* scatter/gather element - 64bit addresses */
43typedef struct {
44 u64 sg_ptr; /* address */
45 u32 sg_len; /* length */
46} __attribute__((packed)) gdth_sg64_str;
47
48/* command structure */
49typedef struct {
50 u32 BoardNode; /* board node (always 0) */
51 u32 CommandIndex; /* command number */
52 u16 OpCode; /* the command (READ,..) */
53 union {
54 struct {
55 u16 DeviceNo; /* number of cache drive */
56 u32 BlockNo; /* block number */
57 u32 BlockCnt; /* block count */
58 u32 DestAddr; /* dest. addr. (if s/g: -1) */
59 u32 sg_canz; /* s/g element count */
60 gdth_sg_str sg_lst[GDTH_MAXSG]; /* s/g list */
61 } __attribute__((packed)) cache; /* cache service cmd. str. */
62 struct {
63 u16 DeviceNo; /* number of cache drive */
64 u64 BlockNo; /* block number */
65 u32 BlockCnt; /* block count */
66 u64 DestAddr; /* dest. addr. (if s/g: -1) */
67 u32 sg_canz; /* s/g element count */
68 gdth_sg64_str sg_lst[GDTH_MAXSG]; /* s/g list */
69 } __attribute__((packed)) cache64; /* cache service cmd. str. */
70 struct {
71 u16 param_size; /* size of p_param buffer */
72 u32 subfunc; /* IOCTL function */
73 u32 channel; /* device */
74 u64 p_param; /* buffer */
75 } __attribute__((packed)) ioctl; /* IOCTL command structure */
76 struct {
77 u16 reserved;
78 union {
79 struct {
80 u32 msg_handle; /* message handle */
81 u64 msg_addr; /* message buffer address */
82 } __attribute__((packed)) msg;
83 u8 data[12]; /* buffer for rtc data, ... */
84 } su;
85 } __attribute__((packed)) screen; /* screen service cmd. str. */
86 struct {
87 u16 reserved;
88 u32 direction; /* data direction */
89 u32 mdisc_time; /* disc. time (0: no timeout)*/
90 u32 mcon_time; /* connect time(0: no to.) */
91 u32 sdata; /* dest. addr. (if s/g: -1) */
92 u32 sdlen; /* data length (bytes) */
93 u32 clen; /* SCSI cmd. length(6,10,12) */
94 u8 cmd[12]; /* SCSI command */
95 u8 target; /* target ID */
96 u8 lun; /* LUN */
97 u8 bus; /* SCSI bus number */
98 u8 priority; /* only 0 used */
99 u32 sense_len; /* sense data length */
100 u32 sense_data; /* sense data addr. */
101 u32 link_p; /* linked cmds (not supp.) */
102 u32 sg_ranz; /* s/g element count */
103 gdth_sg_str sg_lst[GDTH_MAXSG]; /* s/g list */
104 } __attribute__((packed)) raw; /* raw service cmd. struct. */
105 struct {
106 u16 reserved;
107 u32 direction; /* data direction */
108 u32 mdisc_time; /* disc. time (0: no timeout)*/
109 u32 mcon_time; /* connect time(0: no to.) */
110 u64 sdata; /* dest. addr. (if s/g: -1) */
111 u32 sdlen; /* data length (bytes) */
112 u32 clen; /* SCSI cmd. length(6,..,16) */
113 u8 cmd[16]; /* SCSI command */
114 u8 target; /* target ID */
115 u8 lun; /* LUN */
116 u8 bus; /* SCSI bus number */
117 u8 priority; /* only 0 used */
118 u32 sense_len; /* sense data length */
119 u64 sense_data; /* sense data addr. */
120 u32 sg_ranz; /* s/g element count */
121 gdth_sg64_str sg_lst[GDTH_MAXSG]; /* s/g list */
122 } __attribute__((packed)) raw64; /* raw service cmd. struct. */
123 } u;
124 /* additional variables */
125 u8 Service; /* controller service */
126 u8 reserved;
127 u16 Status; /* command result */
128 u32 Info; /* additional information */
129 void *RequestBuffer; /* request buffer */
130} __attribute__((packed)) gdth_cmd_str;
131
132/* controller event structure */
133#define ES_ASYNC 1
134#define ES_DRIVER 2
135#define ES_TEST 3
136#define ES_SYNC 4
137typedef struct {
138 u16 size; /* size of structure */
139 union {
140 char stream[16];
141 struct {
142 u16 ionode;
143 u16 service;
144 u32 index;
145 } __attribute__((packed)) driver;
146 struct {
147 u16 ionode;
148 u16 service;
149 u16 status;
150 u32 info;
151 u8 scsi_coord[3];
152 } __attribute__((packed)) async;
153 struct {
154 u16 ionode;
155 u16 service;
156 u16 status;
157 u32 info;
158 u16 hostdrive;
159 u8 scsi_coord[3];
160 u8 sense_key;
161 } __attribute__((packed)) sync;
162 struct {
163 u32 l1, l2, l3, l4;
164 } __attribute__((packed)) test;
165 } eu;
166 u32 severity;
167 u8 event_string[256];
168} __attribute__((packed)) gdth_evt_data;
169
170typedef struct {
171 u32 first_stamp;
172 u32 last_stamp;
173 u16 same_count;
174 u16 event_source;
175 u16 event_idx;
176 u8 application;
177 u8 reserved;
178 gdth_evt_data event_data;
179} __attribute__((packed)) gdth_evt_str;
180
181
182#ifdef GDTH_IOCTL_PROC
183/* IOCTL structure (write) */
184typedef struct {
185 u32 magic; /* IOCTL magic */
186 u16 ioctl; /* IOCTL */
187 u16 ionode; /* controller number */
188 u16 service; /* controller service */
189 u16 timeout; /* timeout */
190 union {
191 struct {
192 u8 command[512]; /* controller command */
193 u8 data[1]; /* add. data */
194 } general;
195 struct {
196 u8 lock; /* lock/unlock */
197 u8 drive_cnt; /* drive count */
198 u16 drives[MAX_HDRIVES];/* drives */
199 } lockdrv;
200 struct {
201 u8 lock; /* lock/unlock */
202 u8 channel; /* channel */
203 } lockchn;
204 struct {
205 int erase; /* erase event ? */
206 int handle;
207 u8 evt[EVENT_SIZE]; /* event structure */
208 } event;
209 struct {
210 u8 bus; /* SCSI bus */
211 u8 target; /* target ID */
212 u8 lun; /* LUN */
213 u8 cmd_len; /* command length */
214 u8 cmd[12]; /* SCSI command */
215 } scsi;
216 struct {
217 u16 hdr_no; /* host drive number */
218 u8 flag; /* old meth./add/remove */
219 } rescan;
220 } iu;
221} gdth_iowr_str;
222
223/* IOCTL structure (read) */
224typedef struct {
225 u32 size; /* buffer size */
226 u32 status; /* IOCTL error code */
227 union {
228 struct {
229 u8 data[1]; /* data */
230 } general;
231 struct {
232 u16 version; /* driver version */
233 } drvers;
234 struct {
235 u8 type; /* controller type */
236 u16 info; /* slot etc. */
237 u16 oem_id; /* OEM ID */
238 u16 bios_ver; /* not used */
239 u16 access; /* not used */
240 u16 ext_type; /* extended type */
241 u16 device_id; /* device ID */
242 u16 sub_device_id; /* sub device ID */
243 } ctrtype;
244 struct {
245 u8 version; /* OS version */
246 u8 subversion; /* OS subversion */
247 u16 revision; /* revision */
248 } osvers;
249 struct {
250 u16 count; /* controller count */
251 } ctrcnt;
252 struct {
253 int handle;
254 u8 evt[EVENT_SIZE]; /* event structure */
255 } event;
256 struct {
257 u8 bus; /* SCSI bus, 0xff: invalid */
258 u8 target; /* target ID */
259 u8 lun; /* LUN */
260 u8 cluster_type; /* cluster properties */
261 } hdr_list[MAX_HDRIVES]; /* index is host drive number */
262 } iu;
263} gdth_iord_str;
264#endif
265
266/* GDTIOCTL_GENERAL */
267typedef struct {
268 u16 ionode; /* controller number */
269 u16 timeout; /* timeout */
270 u32 info; /* error info */
271 u16 status; /* status */
272 unsigned long data_len; /* data buffer size */
273 unsigned long sense_len; /* sense buffer size */
274 gdth_cmd_str command; /* command */
275} gdth_ioctl_general;
276
277/* GDTIOCTL_LOCKDRV */
278typedef struct {
279 u16 ionode; /* controller number */
280 u8 lock; /* lock/unlock */
281 u8 drive_cnt; /* drive count */
282 u16 drives[MAX_HDRIVES]; /* drives */
283} gdth_ioctl_lockdrv;
284
285/* GDTIOCTL_LOCKCHN */
286typedef struct {
287 u16 ionode; /* controller number */
288 u8 lock; /* lock/unlock */
289 u8 channel; /* channel */
290} gdth_ioctl_lockchn;
291
292/* GDTIOCTL_OSVERS */
293typedef struct {
294 u8 version; /* OS version */
295 u8 subversion; /* OS subversion */
296 u16 revision; /* revision */
297} gdth_ioctl_osvers;
298
299/* GDTIOCTL_CTRTYPE */
300typedef struct {
301 u16 ionode; /* controller number */
302 u8 type; /* controller type */
303 u16 info; /* slot etc. */
304 u16 oem_id; /* OEM ID */
305 u16 bios_ver; /* not used */
306 u16 access; /* not used */
307 u16 ext_type; /* extended type */
308 u16 device_id; /* device ID */
309 u16 sub_device_id; /* sub device ID */
310} gdth_ioctl_ctrtype;
311
312/* GDTIOCTL_EVENT */
313typedef struct {
314 u16 ionode;
315 int erase; /* erase event? */
316 int handle; /* event handle */
317 gdth_evt_str event;
318} gdth_ioctl_event;
319
320/* GDTIOCTL_RESCAN/GDTIOCTL_HDRLIST */
321typedef struct {
322 u16 ionode; /* controller number */
323 u8 flag; /* add/remove */
324 u16 hdr_no; /* drive no. */
325 struct {
326 u8 bus; /* SCSI bus */
327 u8 target; /* target ID */
328 u8 lun; /* LUN */
329 u8 cluster_type; /* cluster properties */
330 } hdr_list[MAX_HDRIVES]; /* index is host drive number */
331} gdth_ioctl_rescan;
332
333/* GDTIOCTL_RESET_BUS/GDTIOCTL_RESET_DRV */
334typedef struct {
335 u16 ionode; /* controller number */
336 u16 number; /* bus/host drive number */
337 u16 status; /* status */
338} gdth_ioctl_reset;
339
340#endif