config: tegra3: enable /dev mount with ACL
[linux-2.6.git] / drivers / scsi / gdth_ioctl.h
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 /* scatter/gather element */
36 typedef struct {
37     u32     sg_ptr;                         /* address */
38     u32     sg_len;                         /* length */
39 } __attribute__((packed)) gdth_sg_str;
40
41 /* scatter/gather element - 64bit addresses */
42 typedef struct {
43     u64     sg_ptr;                         /* address */
44     u32     sg_len;                         /* length */
45 } __attribute__((packed)) gdth_sg64_str;
46
47 /* command structure */
48 typedef struct {
49     u32     BoardNode;                      /* board node (always 0) */
50     u32     CommandIndex;                   /* command number */
51     u16      OpCode;                         /* the command (READ,..) */
52     union {
53         struct {
54             u16      DeviceNo;               /* number of cache drive */
55             u32     BlockNo;                /* block number */
56             u32     BlockCnt;               /* block count */
57             u32     DestAddr;               /* dest. addr. (if s/g: -1) */
58             u32     sg_canz;                /* s/g element count */
59             gdth_sg_str sg_lst[GDTH_MAXSG];     /* s/g list */
60         } __attribute__((packed)) cache;                         /* cache service cmd. str. */
61         struct {
62             u16      DeviceNo;               /* number of cache drive */
63             u64     BlockNo;                /* block number */
64             u32     BlockCnt;               /* block count */
65             u64     DestAddr;               /* dest. addr. (if s/g: -1) */
66             u32     sg_canz;                /* s/g element count */
67             gdth_sg64_str sg_lst[GDTH_MAXSG];   /* s/g list */
68         } __attribute__((packed)) cache64;                       /* cache service cmd. str. */
69         struct {
70             u16      param_size;             /* size of p_param buffer */
71             u32     subfunc;                /* IOCTL function */
72             u32     channel;                /* device */
73             u64     p_param;                /* buffer */
74         } __attribute__((packed)) ioctl;                         /* IOCTL command structure */
75         struct {
76             u16      reserved;
77             union {
78                 struct {
79                     u32  msg_handle;        /* message handle */
80                     u64  msg_addr;          /* message buffer address */
81                 } __attribute__((packed)) msg;
82                 u8       data[12];          /* buffer for rtc data, ... */
83             } su;
84         } __attribute__((packed)) screen;                        /* screen service cmd. str. */
85         struct {
86             u16      reserved;
87             u32     direction;              /* data direction */
88             u32     mdisc_time;             /* disc. time (0: no timeout)*/
89             u32     mcon_time;              /* connect time(0: no to.) */
90             u32     sdata;                  /* dest. addr. (if s/g: -1) */
91             u32     sdlen;                  /* data length (bytes) */
92             u32     clen;                   /* SCSI cmd. length(6,10,12) */
93             u8      cmd[12];                /* SCSI command */
94             u8      target;                 /* target ID */
95             u8      lun;                    /* LUN */
96             u8      bus;                    /* SCSI bus number */
97             u8      priority;               /* only 0 used */
98             u32     sense_len;              /* sense data length */
99             u32     sense_data;             /* sense data addr. */
100             u32     link_p;                 /* linked cmds (not supp.) */
101             u32     sg_ranz;                /* s/g element count */
102             gdth_sg_str sg_lst[GDTH_MAXSG];     /* s/g list */
103         } __attribute__((packed)) raw;                           /* raw service cmd. struct. */
104         struct {
105             u16      reserved;
106             u32     direction;              /* data direction */
107             u32     mdisc_time;             /* disc. time (0: no timeout)*/
108             u32     mcon_time;              /* connect time(0: no to.) */
109             u64     sdata;                  /* dest. addr. (if s/g: -1) */
110             u32     sdlen;                  /* data length (bytes) */
111             u32     clen;                   /* SCSI cmd. length(6,..,16) */
112             u8      cmd[16];                /* SCSI command */
113             u8      target;                 /* target ID */
114             u8      lun;                    /* LUN */
115             u8      bus;                    /* SCSI bus number */
116             u8      priority;               /* only 0 used */
117             u32     sense_len;              /* sense data length */
118             u64     sense_data;             /* sense data addr. */
119             u32     sg_ranz;                /* s/g element count */
120             gdth_sg64_str sg_lst[GDTH_MAXSG];   /* s/g list */
121         } __attribute__((packed)) raw64;                         /* raw service cmd. struct. */
122     } u;
123     /* additional variables */
124     u8      Service;                        /* controller service */
125     u8      reserved;
126     u16      Status;                         /* command result */
127     u32     Info;                           /* additional information */
128     void        *RequestBuffer;                 /* request buffer */
129 } __attribute__((packed)) gdth_cmd_str;
130
131 /* controller event structure */
132 #define ES_ASYNC    1
133 #define ES_DRIVER   2
134 #define ES_TEST     3
135 #define ES_SYNC     4
136 typedef struct {
137     u16                  size;               /* size of structure */
138     union {
139         char                stream[16];
140         struct {
141             u16          ionode;
142             u16          service;
143             u32         index;
144         } __attribute__((packed)) driver;
145         struct {
146             u16          ionode;
147             u16          service;
148             u16          status;
149             u32         info;
150             u8          scsi_coord[3];
151         } __attribute__((packed)) async;
152         struct {
153             u16          ionode;
154             u16          service;
155             u16          status;
156             u32         info;
157             u16          hostdrive;
158             u8          scsi_coord[3];
159             u8          sense_key;
160         } __attribute__((packed)) sync;
161         struct {
162             u32         l1, l2, l3, l4;
163         } __attribute__((packed)) test;
164     } eu;
165     u32                 severity;
166     u8                  event_string[256];          
167 } __attribute__((packed)) gdth_evt_data;
168
169 typedef struct {
170     u32         first_stamp;
171     u32         last_stamp;
172     u16          same_count;
173     u16          event_source;
174     u16          event_idx;
175     u8          application;
176     u8          reserved;
177     gdth_evt_data   event_data;
178 } __attribute__((packed)) gdth_evt_str;
179
180
181 #ifdef GDTH_IOCTL_PROC
182 /* IOCTL structure (write) */
183 typedef struct {
184     u32                 magic;              /* IOCTL magic */
185     u16                  ioctl;              /* IOCTL */
186     u16                  ionode;             /* controller number */
187     u16                  service;            /* controller service */
188     u16                  timeout;            /* timeout */
189     union {
190         struct {
191             u8          command[512];       /* controller command */
192             u8          data[1];            /* add. data */
193         } general;
194         struct {
195             u8          lock;               /* lock/unlock */
196             u8          drive_cnt;          /* drive count */
197             u16          drives[MAX_HDRIVES];/* drives */
198         } lockdrv;
199         struct {
200             u8          lock;               /* lock/unlock */
201             u8          channel;            /* channel */
202         } lockchn;
203         struct {
204             int             erase;              /* erase event ? */
205             int             handle;
206             u8          evt[EVENT_SIZE];    /* event structure */
207         } event;
208         struct {
209             u8          bus;                /* SCSI bus */
210             u8          target;             /* target ID */
211             u8          lun;                /* LUN */
212             u8          cmd_len;            /* command length */
213             u8          cmd[12];            /* SCSI command */
214         } scsi;
215         struct {
216             u16          hdr_no;             /* host drive number */
217             u8          flag;               /* old meth./add/remove */
218         } rescan;
219     } iu;
220 } gdth_iowr_str;
221
222 /* IOCTL structure (read) */
223 typedef struct {
224     u32                 size;               /* buffer size */
225     u32                 status;             /* IOCTL error code */
226     union {
227         struct {
228             u8          data[1];            /* data */
229         } general;
230         struct {
231             u16          version;            /* driver version */
232         } drvers;
233         struct {
234             u8          type;               /* controller type */
235             u16          info;               /* slot etc. */
236             u16          oem_id;             /* OEM ID */
237             u16          bios_ver;           /* not used */
238             u16          access;             /* not used */
239             u16          ext_type;           /* extended type */
240             u16          device_id;          /* device ID */
241             u16          sub_device_id;      /* sub device ID */
242         } ctrtype;
243         struct {
244             u8          version;            /* OS version */
245             u8          subversion;         /* OS subversion */
246             u16          revision;           /* revision */
247         } osvers;
248         struct {
249             u16          count;              /* controller count */
250         } ctrcnt;
251         struct {
252             int             handle;
253             u8          evt[EVENT_SIZE];    /* event structure */
254         } event;
255         struct {
256             u8          bus;                /* SCSI bus, 0xff: invalid */
257             u8          target;             /* target ID */
258             u8          lun;                /* LUN */
259             u8          cluster_type;       /* cluster properties */
260         } hdr_list[MAX_HDRIVES];                /* index is host drive number */
261     } iu;
262 } gdth_iord_str;
263 #endif
264
265 /* GDTIOCTL_GENERAL */
266 typedef struct {
267     u16 ionode;                              /* controller number */
268     u16 timeout;                             /* timeout */
269     u32 info;                               /* error info */ 
270     u16 status;                              /* status */
271     unsigned long data_len;                             /* data buffer size */
272     unsigned long sense_len;                            /* sense buffer size */
273     gdth_cmd_str command;                       /* command */                   
274 } gdth_ioctl_general;
275
276 /* GDTIOCTL_LOCKDRV */
277 typedef struct {
278     u16 ionode;                              /* controller number */
279     u8 lock;                                /* lock/unlock */
280     u8 drive_cnt;                           /* drive count */
281     u16 drives[MAX_HDRIVES];                 /* drives */
282 } gdth_ioctl_lockdrv;
283
284 /* GDTIOCTL_LOCKCHN */
285 typedef struct {
286     u16 ionode;                              /* controller number */
287     u8 lock;                                /* lock/unlock */
288     u8 channel;                             /* channel */
289 } gdth_ioctl_lockchn;
290
291 /* GDTIOCTL_OSVERS */
292 typedef struct {
293     u8 version;                             /* OS version */
294     u8 subversion;                          /* OS subversion */
295     u16 revision;                            /* revision */
296 } gdth_ioctl_osvers;
297
298 /* GDTIOCTL_CTRTYPE */
299 typedef struct {
300     u16 ionode;                              /* controller number */
301     u8 type;                                /* controller type */
302     u16 info;                                /* slot etc. */
303     u16 oem_id;                              /* OEM ID */
304     u16 bios_ver;                            /* not used */
305     u16 access;                              /* not used */
306     u16 ext_type;                            /* extended type */
307     u16 device_id;                           /* device ID */
308     u16 sub_device_id;                       /* sub device ID */
309 } gdth_ioctl_ctrtype;
310
311 /* GDTIOCTL_EVENT */
312 typedef struct {
313     u16 ionode;
314     int erase;                                  /* erase event? */
315     int handle;                                 /* event handle */
316     gdth_evt_str event;
317 } gdth_ioctl_event;
318
319 /* GDTIOCTL_RESCAN/GDTIOCTL_HDRLIST */
320 typedef struct {
321     u16 ionode;                              /* controller number */
322     u8 flag;                                /* add/remove */
323     u16 hdr_no;                              /* drive no. */
324     struct {
325         u8 bus;                             /* SCSI bus */
326         u8 target;                          /* target ID */
327         u8 lun;                             /* LUN */
328         u8 cluster_type;                    /* cluster properties */
329     } hdr_list[MAX_HDRIVES];                    /* index is host drive number */
330 } gdth_ioctl_rescan;
331
332 /* GDTIOCTL_RESET_BUS/GDTIOCTL_RESET_DRV */
333 typedef struct {
334     u16 ionode;                              /* controller number */
335     u16 number;                              /* bus/host drive number */
336     u16 status;                              /* status */
337 } gdth_ioctl_reset;
338
339 #endif