1 #ifndef _GDTH_H
2 #define _GDTH_H
3 
4 /*
5  * Header file for the GDT Disk Array/Storage RAID controllers driver for Linux
6  *
7  * gdth.h Copyright (C) 1995-03 ICP vortex, Achim Leubner
8  * See gdth.c for further informations and
9  * below for supported controller types
10  *
11  * <achim_leubner@adaptec.com>
12  *
13  * $Id: gdth.h,v 1.57 2004/03/31 11:52:09 achim Exp $
14  */
15 
16 #include <linux/version.h>
17 #include <linux/types.h>
18 
19 #ifndef TRUE
20 #define TRUE 1
21 #endif
22 #ifndef FALSE
23 #define FALSE 0
24 #endif
25 
26 /* defines, macros */
27 
28 /* driver version */
29 #define GDTH_VERSION_STR        "3.04"
30 #define GDTH_VERSION            3
31 #define GDTH_SUBVERSION         4
32 
33 /* protocol version */
34 #define PROTOCOL_VERSION        1
35 
36 /* OEM IDs */
37 #define OEM_ID_ICP      0x941c
38 #define OEM_ID_INTEL    0x8000
39 
40 /* controller classes */
41 #define GDT_ISA         0x01                    /* ISA controller */
42 #define GDT_EISA        0x02                    /* EISA controller */
43 #define GDT_PCI         0x03                    /* PCI controller */
44 #define GDT_PCINEW      0x04                    /* new PCI controller */
45 #define GDT_PCIMPR      0x05                    /* PCI MPR controller */
46 /* GDT_EISA, controller subtypes EISA */
47 #define GDT3_ID         0x0130941c              /* GDT3000/3020 */
48 #define GDT3A_ID        0x0230941c              /* GDT3000A/3020A/3050A */
49 #define GDT3B_ID        0x0330941c              /* GDT3000B/3010A */
50 /* GDT_ISA */
51 #define GDT2_ID         0x0120941c              /* GDT2000/2020 */
52 
53 /* vendor ID, device IDs (PCI) */
54 /* these defines should already exist in <linux/pci.h> */
55 #ifndef PCI_VENDOR_ID_VORTEX
56 #define PCI_VENDOR_ID_VORTEX            0x1119  /* PCI controller vendor ID */
57 #endif
58 #ifndef PCI_VENDOR_ID_INTEL
59 #define PCI_VENDOR_ID_INTEL             0x8086
60 #endif
61 
62 #ifndef PCI_DEVICE_ID_VORTEX_GDT60x0
63 /* GDT_PCI */
64 #define PCI_DEVICE_ID_VORTEX_GDT60x0    0       /* GDT6000/6020/6050 */
65 #define PCI_DEVICE_ID_VORTEX_GDT6000B   1       /* GDT6000B/6010 */
66 /* GDT_PCINEW */
67 #define PCI_DEVICE_ID_VORTEX_GDT6x10    2       /* GDT6110/6510 */
68 #define PCI_DEVICE_ID_VORTEX_GDT6x20    3       /* GDT6120/6520 */
69 #define PCI_DEVICE_ID_VORTEX_GDT6530    4       /* GDT6530 */
70 #define PCI_DEVICE_ID_VORTEX_GDT6550    5       /* GDT6550 */
71 /* GDT_PCINEW, wide/ultra SCSI controllers */
72 #define PCI_DEVICE_ID_VORTEX_GDT6x17    6       /* GDT6117/6517 */
73 #define PCI_DEVICE_ID_VORTEX_GDT6x27    7       /* GDT6127/6527 */
74 #define PCI_DEVICE_ID_VORTEX_GDT6537    8       /* GDT6537 */
75 #define PCI_DEVICE_ID_VORTEX_GDT6557    9       /* GDT6557/6557-ECC */
76 /* GDT_PCINEW, wide SCSI controllers */
77 #define PCI_DEVICE_ID_VORTEX_GDT6x15    10      /* GDT6115/6515 */
78 #define PCI_DEVICE_ID_VORTEX_GDT6x25    11      /* GDT6125/6525 */
79 #define PCI_DEVICE_ID_VORTEX_GDT6535    12      /* GDT6535 */
80 #define PCI_DEVICE_ID_VORTEX_GDT6555    13      /* GDT6555/6555-ECC */
81 #endif
82 
83 #ifndef PCI_DEVICE_ID_VORTEX_GDT6x17RP
84 /* GDT_MPR, RP series, wide/ultra SCSI */
85 #define PCI_DEVICE_ID_VORTEX_GDT6x17RP  0x100   /* GDT6117RP/GDT6517RP */
86 #define PCI_DEVICE_ID_VORTEX_GDT6x27RP  0x101   /* GDT6127RP/GDT6527RP */
87 #define PCI_DEVICE_ID_VORTEX_GDT6537RP  0x102   /* GDT6537RP */
88 #define PCI_DEVICE_ID_VORTEX_GDT6557RP  0x103   /* GDT6557RP */
89 /* GDT_MPR, RP series, narrow/ultra SCSI */
90 #define PCI_DEVICE_ID_VORTEX_GDT6x11RP  0x104   /* GDT6111RP/GDT6511RP */
91 #define PCI_DEVICE_ID_VORTEX_GDT6x21RP  0x105   /* GDT6121RP/GDT6521RP */
92 #endif
93 #ifndef PCI_DEVICE_ID_VORTEX_GDT6x17RD
94 /* GDT_MPR, RD series, wide/ultra SCSI */
95 #define PCI_DEVICE_ID_VORTEX_GDT6x17RD  0x110   /* GDT6117RD/GDT6517RD */
96 #define PCI_DEVICE_ID_VORTEX_GDT6x27RD  0x111   /* GDT6127RD/GDT6527RD */
97 #define PCI_DEVICE_ID_VORTEX_GDT6537RD  0x112   /* GDT6537RD */
98 #define PCI_DEVICE_ID_VORTEX_GDT6557RD  0x113   /* GDT6557RD */
99 /* GDT_MPR, RD series, narrow/ultra SCSI */
100 #define PCI_DEVICE_ID_VORTEX_GDT6x11RD  0x114   /* GDT6111RD/GDT6511RD */
101 #define PCI_DEVICE_ID_VORTEX_GDT6x21RD  0x115   /* GDT6121RD/GDT6521RD */
102 /* GDT_MPR, RD series, wide/ultra2 SCSI */
103 #define PCI_DEVICE_ID_VORTEX_GDT6x18RD  0x118   /* GDT6118RD/GDT6518RD/
104                                                    GDT6618RD */
105 #define PCI_DEVICE_ID_VORTEX_GDT6x28RD  0x119   /* GDT6128RD/GDT6528RD/
106                                                    GDT6628RD */
107 #define PCI_DEVICE_ID_VORTEX_GDT6x38RD  0x11A   /* GDT6538RD/GDT6638RD */
108 #define PCI_DEVICE_ID_VORTEX_GDT6x58RD  0x11B   /* GDT6558RD/GDT6658RD */
109 /* GDT_MPR, RN series (64-bit PCI), wide/ultra2 SCSI */
110 #define PCI_DEVICE_ID_VORTEX_GDT7x18RN  0x168   /* GDT7118RN/GDT7518RN/
111                                                    GDT7618RN */
112 #define PCI_DEVICE_ID_VORTEX_GDT7x28RN  0x169   /* GDT7128RN/GDT7528RN/
113                                                    GDT7628RN */
114 #define PCI_DEVICE_ID_VORTEX_GDT7x38RN  0x16A   /* GDT7538RN/GDT7638RN */
115 #define PCI_DEVICE_ID_VORTEX_GDT7x58RN  0x16B   /* GDT7558RN/GDT7658RN */
116 #endif
117 
118 #ifndef PCI_DEVICE_ID_VORTEX_GDT6x19RD
119 /* GDT_MPR, RD series, Fibre Channel */
120 #define PCI_DEVICE_ID_VORTEX_GDT6x19RD  0x210   /* GDT6519RD/GDT6619RD */
121 #define PCI_DEVICE_ID_VORTEX_GDT6x29RD  0x211   /* GDT6529RD/GDT6629RD */
122 /* GDT_MPR, RN series (64-bit PCI), Fibre Channel */
123 #define PCI_DEVICE_ID_VORTEX_GDT7x19RN  0x260   /* GDT7519RN/GDT7619RN */
124 #define PCI_DEVICE_ID_VORTEX_GDT7x29RN  0x261   /* GDT7529RN/GDT7629RN */
125 #endif
126 
127 #ifndef PCI_DEVICE_ID_VORTEX_GDTMAXRP
128 /* GDT_MPR, last device ID */
129 #define PCI_DEVICE_ID_VORTEX_GDTMAXRP   0x2ff
130 #endif
131 
132 #ifndef PCI_DEVICE_ID_VORTEX_GDTNEWRX
133 /* new GDT Rx Controller */
134 #define PCI_DEVICE_ID_VORTEX_GDTNEWRX   0x300
135 #endif
136 
137 #ifndef PCI_DEVICE_ID_VORTEX_GDTNEWRX2
138 /* new(2) GDT Rx Controller */
139 #define PCI_DEVICE_ID_VORTEX_GDTNEWRX2  0x301
140 #endif
141 
142 #ifndef PCI_DEVICE_ID_INTEL_SRC
143 /* Intel Storage RAID Controller */
144 #define PCI_DEVICE_ID_INTEL_SRC         0x600
145 #endif
146 
147 #ifndef PCI_DEVICE_ID_INTEL_SRC_XSCALE
148 /* Intel Storage RAID Controller */
149 #define PCI_DEVICE_ID_INTEL_SRC_XSCALE  0x601
150 #endif
151 
152 /* limits */
153 #define GDTH_SCRATCH    PAGE_SIZE               /* 4KB scratch buffer */
154 #define GDTH_MAXCMDS    120
155 #define GDTH_MAXC_P_L   16                      /* max. cmds per lun */
156 #define GDTH_MAX_RAW    2                       /* max. cmds per raw device */
157 #define MAXOFFSETS      128
158 #define MAXHA           16
159 #define MAXID           127
160 #define MAXLUN          8
161 #define MAXBUS          6
162 #define MAX_EVENTS      100                     /* event buffer count */
163 #define MAX_RES_ARGS    40                      /* device reservation,
164                                                    must be a multiple of 4 */
165 #define MAXCYLS         1024
166 #define HEADS           64
167 #define SECS            32                      /* mapping 64*32 */
168 #define MEDHEADS        127
169 #define MEDSECS         63                      /* mapping 127*63 */
170 #define BIGHEADS        255
171 #define BIGSECS         63                      /* mapping 255*63 */
172 
173 /* special command ptr. */
174 #define UNUSED_CMND     ((Scsi_Cmnd *)-1)
175 #define INTERNAL_CMND   ((Scsi_Cmnd *)-2)
176 #define SCREEN_CMND     ((Scsi_Cmnd *)-3)
177 #define SPECIAL_SCP(p)  (p==UNUSED_CMND || p==INTERNAL_CMND || p==SCREEN_CMND)
178 
179 /* controller services */
180 #define SCSIRAWSERVICE  3
181 #define CACHESERVICE    9
182 #define SCREENSERVICE   11
183 
184 /* screenservice defines */
185 #define MSG_INV_HANDLE  -1                      /* special message handle */
186 #define MSGLEN          16                      /* size of message text */
187 #define MSG_SIZE        34                      /* size of message structure */
188 #define MSG_REQUEST     0                       /* async. event: message */
189 
190 /* cacheservice defines */
191 #define SECTOR_SIZE     0x200                   /* always 512 bytes per sec. */
192 
193 /* DPMEM constants */
194 #define DPMEM_MAGIC     0xC0FFEE11
195 #define IC_HEADER_BYTES 48
196 #define IC_QUEUE_BYTES  4
197 #define DPMEM_COMMAND_OFFSET    IC_HEADER_BYTES+IC_QUEUE_BYTES*MAXOFFSETS
198 
199 /* cluster_type constants */
200 #define CLUSTER_DRIVE         1
201 #define CLUSTER_MOUNTED       2
202 #define CLUSTER_RESERVED      4
203 #define CLUSTER_RESERVE_STATE (CLUSTER_DRIVE|CLUSTER_MOUNTED|CLUSTER_RESERVED)
204 
205 /* commands for all services, cache service */
206 #define GDT_INIT        0                       /* service initialization */
207 #define GDT_READ        1                       /* read command */
208 #define GDT_WRITE       2                       /* write command */
209 #define GDT_INFO        3                       /* information about devices */
210 #define GDT_FLUSH       4                       /* flush dirty cache buffers */
211 #define GDT_IOCTL       5                       /* ioctl command */
212 #define GDT_DEVTYPE     9                       /* additional information */
213 #define GDT_MOUNT       10                      /* mount cache device */
214 #define GDT_UNMOUNT     11                      /* unmount cache device */
215 #define GDT_SET_FEAT    12                      /* set feat. (scatter/gather) */
216 #define GDT_GET_FEAT    13                      /* get features */
217 #define GDT_WRITE_THR   16                      /* write through */
218 #define GDT_READ_THR    17                      /* read through */
219 #define GDT_EXT_INFO    18                      /* extended info */
220 #define GDT_RESET       19                      /* controller reset */
221 #define GDT_RESERVE_DRV 20                      /* reserve host drive */
222 #define GDT_RELEASE_DRV 21                      /* release host drive */
223 #define GDT_CLUST_INFO  22                      /* cluster info */
224 #define GDT_RW_ATTRIBS  23                      /* R/W attribs (write thru,..)*/
225 #define GDT_CLUST_RESET 24                      /* releases the cluster drives*/
226 #define GDT_FREEZE_IO   25                      /* freezes all IOs */
227 #define GDT_UNFREEZE_IO 26                      /* unfreezes all IOs */
228 #define GDT_X_INIT_HOST 29                      /* ext. init: 64 bit support */
229 #define GDT_X_INFO      30                      /* ext. info for drives>2TB */
230 
231 /* raw service commands */
232 #define GDT_RESERVE     14                      /* reserve dev. to raw serv. */
233 #define GDT_RELEASE     15                      /* release device */
234 #define GDT_RESERVE_ALL 16                      /* reserve all devices */
235 #define GDT_RELEASE_ALL 17                      /* release all devices */
236 #define GDT_RESET_BUS   18                      /* reset bus */
237 #define GDT_SCAN_START  19                      /* start device scan */
238 #define GDT_SCAN_END    20                      /* stop device scan */
239 #define GDT_X_INIT_RAW  21                      /* ext. init: 64 bit support */
240 
241 /* screen service commands */
242 #define GDT_REALTIME    3                       /* realtime clock to screens. */
243 #define GDT_X_INIT_SCR  4                       /* ext. init: 64 bit support */
244 
245 /* IOCTL command defines */
246 #define SCSI_DR_INFO    0x00                    /* SCSI drive info */
247 #define SCSI_CHAN_CNT   0x05                    /* SCSI channel count */
248 #define SCSI_DR_LIST    0x06                    /* SCSI drive list */
249 #define SCSI_DEF_CNT    0x15                    /* grown/primary defects */
250 #define DSK_STATISTICS  0x4b                    /* SCSI disk statistics */
251 #define IOCHAN_DESC     0x5d                    /* description of IO channel */
252 #define IOCHAN_RAW_DESC 0x5e                    /* description of raw IO chn. */
253 #define L_CTRL_PATTERN  0x20000000L             /* SCSI IOCTL mask */
254 #define ARRAY_INFO      0x12                    /* array drive info */
255 #define ARRAY_DRV_LIST  0x0f                    /* array drive list */
256 #define ARRAY_DRV_LIST2 0x34                    /* array drive list (new) */
257 #define LA_CTRL_PATTERN 0x10000000L             /* array IOCTL mask */
258 #define CACHE_DRV_CNT   0x01                    /* cache drive count */
259 #define CACHE_DRV_LIST  0x02                    /* cache drive list */
260 #define CACHE_INFO      0x04                    /* cache info */
261 #define CACHE_CONFIG    0x05                    /* cache configuration */
262 #define CACHE_DRV_INFO  0x07                    /* cache drive info */
263 #define BOARD_FEATURES  0x15                    /* controller features */
264 #define BOARD_INFO      0x28                    /* controller info */
265 #define SET_PERF_MODES  0x82                    /* set mode (coalescing,..) */
266 #define GET_PERF_MODES  0x83                    /* get mode */
267 #define CACHE_READ_OEM_STRING_RECORD 0x84       /* read OEM string record */
268 #define HOST_GET        0x10001L                /* get host drive list */
269 #define IO_CHANNEL      0x00020000L             /* default IO channel */
270 #define INVALID_CHANNEL 0x0000ffffL             /* invalid channel */
271 
272 /* service errors */
273 #define S_OK            1                       /* no error */
274 #define S_GENERR        6                       /* general error */
275 #define S_BSY           7                       /* controller busy */
276 #define S_CACHE_UNKNOWN 12                      /* cache serv.: drive unknown */
277 #define S_RAW_SCSI      12                      /* raw serv.: target error */
278 #define S_RAW_ILL       0xff                    /* raw serv.: illegal */
279 #define S_NOFUNC        -2                      /* unknown function */
280 #define S_CACHE_RESERV  -24                     /* cache: reserv. conflict */
281 
282 /* timeout values */
283 #define INIT_RETRIES    100000                  /* 100000 * 1ms = 100s */
284 #define INIT_TIMEOUT    100000                  /* 100000 * 1ms = 100s */
285 #define POLL_TIMEOUT    10000                   /* 10000 * 1ms = 10s */
286 
287 /* priorities */
288 #define DEFAULT_PRI     0x20
289 #define IOCTL_PRI       0x10
290 #define HIGH_PRI        0x08
291 
292 /* data directions */
293 #define GDTH_DATA_IN    0x01000000L             /* data from target */
294 #define GDTH_DATA_OUT   0x00000000L             /* data to target */
295 
296 /* BMIC registers (EISA controllers) */
297 #define ID0REG          0x0c80                  /* board ID */
298 #define EINTENABREG     0x0c89                  /* interrupt enable */
299 #define SEMA0REG        0x0c8a                  /* command semaphore */
300 #define SEMA1REG        0x0c8b                  /* status semaphore */
301 #define LDOORREG        0x0c8d                  /* local doorbell */
302 #define EDENABREG       0x0c8e                  /* EISA system doorbell enab. */
303 #define EDOORREG        0x0c8f                  /* EISA system doorbell */
304 #define MAILBOXREG      0x0c90                  /* mailbox reg. (16 bytes) */
305 #define EISAREG         0x0cc0                  /* EISA configuration */
306 
307 /* DMA memory mappings */
308 #define GDTH_MAP_NONE   0
309 #define GDTH_MAP_SINGLE 1
310 #define GDTH_MAP_SG     2
311 #define GDTH_MAP_IOCTL  3
312 
313 /* other defines */
314 #define LINUX_OS        8                       /* used for cache optim. */
315 #define SCATTER_GATHER  1                       /* s/g feature */
316 #define SECS32          0x1f                    /* round capacity */
317 #define BIOS_ID_OFFS    0x10                    /* offset contr-ID in ISABIOS */
318 #define LOCALBOARD      0                       /* board node always 0 */
319 #define ASYNCINDEX      0                       /* cmd index async. event */
320 #define SPEZINDEX       1                       /* cmd index unknown service */
321 #define COALINDEX       (GDTH_MAXCMDS + 2)
322 
323 /* features */
324 #define SCATTER_GATHER  1                       /* s/g feature */
325 #define GDT_WR_THROUGH  0x100                   /* WRITE_THROUGH supported */
326 #define GDT_64BIT       0x200                   /* 64bit / drv>2TB support */
327 
328 #include "gdth_ioctl.h"
329 
330 /* screenservice message */
331 typedef struct {
332     ulong32     msg_handle;                     /* message handle */
333     ulong32     msg_len;                        /* size of message */
334     ulong32     msg_alen;                       /* answer length */
335     unchar      msg_answer;                     /* answer flag */
336     unchar      msg_ext;                        /* more messages */
337     unchar      msg_reserved[2];
338     char        msg_text[MSGLEN+2];             /* the message text */
339 } PACKED gdth_msg_str;
340 
341 
342 /* IOCTL data structures */
343 
344 /* Status coalescing buffer for returning multiple requests per interrupt */
345 typedef struct {
346     ulong32     status;
347     ulong32     ext_status;
348     ulong32     info0;
349     ulong32     info1;
350 } PACKED gdth_coal_status;
351 
352 /* performance mode data structure */
353 typedef struct {
354     ulong32     version;            /* The version of this IOCTL structure. */
355     ulong32     st_mode;            /* 0=dis., 1=st_buf_addr1 valid, 2=both  */
356     ulong32     st_buff_addr1;      /* physical address of status buffer 1 */
357     ulong32     st_buff_u_addr1;    /* reserved for 64 bit addressing */
358     ulong32     st_buff_indx1;      /* reserved command idx. for this buffer */
359     ulong32     st_buff_addr2;      /* physical address of status buffer 1 */
360     ulong32     st_buff_u_addr2;    /* reserved for 64 bit addressing */
361     ulong32     st_buff_indx2;      /* reserved command idx. for this buffer */
362     ulong32     st_buff_size;       /* size of each buffer in bytes */
363     ulong32     cmd_mode;           /* 0 = mode disabled, 1 = cmd_buff_addr1 */
364     ulong32     cmd_buff_addr1;     /* physical address of cmd buffer 1 */
365     ulong32     cmd_buff_u_addr1;   /* reserved for 64 bit addressing */
366     ulong32     cmd_buff_indx1;     /* cmd buf addr1 unique identifier */
367     ulong32     cmd_buff_addr2;     /* physical address of cmd buffer 1 */
368     ulong32     cmd_buff_u_addr2;   /* reserved for 64 bit addressing */
369     ulong32     cmd_buff_indx2;     /* cmd buf addr1 unique identifier */
370     ulong32     cmd_buff_size;      /* size of each cmd bufer in bytes */
371     ulong32     reserved1;
372     ulong32     reserved2;
373 } PACKED gdth_perf_modes;
374 
375 /* SCSI drive info */
376 typedef struct {
377     unchar      vendor[8];                      /* vendor string */
378     unchar      product[16];                    /* product string */
379     unchar      revision[4];                    /* revision */
380     ulong32     sy_rate;                        /* current rate for sync. tr. */
381     ulong32     sy_max_rate;                    /* max. rate for sync. tr. */
382     ulong32     no_ldrive;                      /* belongs to this log. drv.*/
383     ulong32     blkcnt;                         /* number of blocks */
384     ushort      blksize;                        /* size of block in bytes */
385     unchar      available;                      /* flag: access is available */
386     unchar      init;                           /* medium is initialized */
387     unchar      devtype;                        /* SCSI devicetype */
388     unchar      rm_medium;                      /* medium is removable */
389     unchar      wp_medium;                      /* medium is write protected */
390     unchar      ansi;                           /* SCSI I/II or III? */
391     unchar      protocol;                       /* same as ansi */
392     unchar      sync;                           /* flag: sync. transfer enab. */
393     unchar      disc;                           /* flag: disconnect enabled */
394     unchar      queueing;                       /* flag: command queing enab. */
395     unchar      cached;                         /* flag: caching enabled */
396     unchar      target_id;                      /* target ID of device */
397     unchar      lun;                            /* LUN id of device */
398     unchar      orphan;                         /* flag: drive fragment */
399     ulong32     last_error;                     /* sense key or drive state */
400     ulong32     last_result;                    /* result of last command */
401     ulong32     check_errors;                   /* err. in last surface check */
402     unchar      percent;                        /* progress for surface check */
403     unchar      last_check;                     /* IOCTRL operation */
404     unchar      res[2];
405     ulong32     flags;                          /* from 1.19/2.19: raw reserv.*/
406     unchar      multi_bus;                      /* multi bus dev? (fibre ch.) */
407     unchar      mb_status;                      /* status: available? */
408     unchar      res2[2];
409     unchar      mb_alt_status;                  /* status on second bus */
410     unchar      mb_alt_bid;                     /* number of second bus */
411     unchar      mb_alt_tid;                     /* target id on second bus */
412     unchar      res3;
413     unchar      fc_flag;                        /* from 1.22/2.22: info valid?*/
414     unchar      res4;
415     ushort      fc_frame_size;                  /* frame size (bytes) */
416     char        wwn[8];                         /* world wide name */
417 } PACKED gdth_diskinfo_str;
418 
419 /* get SCSI channel count  */
420 typedef struct {
421     ulong32     channel_no;                     /* number of channel */
422     ulong32     drive_cnt;                      /* drive count */
423     unchar      siop_id;                        /* SCSI processor ID */
424     unchar      siop_state;                     /* SCSI processor state */
425 } PACKED gdth_getch_str;
426 
427 /* get SCSI drive numbers */
428 typedef struct {
429     ulong32     sc_no;                          /* SCSI channel */
430     ulong32     sc_cnt;                         /* sc_list[] elements */
431     ulong32     sc_list[MAXID];                 /* minor device numbers */
432 } PACKED gdth_drlist_str;
433 
434 /* get grown/primary defect count */
435 typedef struct {
436     unchar      sddc_type;                      /* 0x08: grown, 0x10: prim. */
437     unchar      sddc_format;                    /* list entry format */
438     unchar      sddc_len;                       /* list entry length */
439     unchar      sddc_res;
440     ulong32     sddc_cnt;                       /* entry count */
441 } PACKED gdth_defcnt_str;
442 
443 /* disk statistics */
444 typedef struct {
445     ulong32     bid;                            /* SCSI channel */
446     ulong32     first;                          /* first SCSI disk */
447     ulong32     entries;                        /* number of elements */
448     ulong32     count;                          /* (R) number of init. el. */
449     ulong32     mon_time;                       /* time stamp */
450     struct {
451         unchar  tid;                            /* target ID */
452         unchar  lun;                            /* LUN */
453         unchar  res[2];
454         ulong32 blk_size;                       /* block size in bytes */
455         ulong32 rd_count;                       /* bytes read */
456         ulong32 wr_count;                       /* bytes written */
457         ulong32 rd_blk_count;                   /* blocks read */
458         ulong32 wr_blk_count;                   /* blocks written */
459         ulong32 retries;                        /* retries */
460         ulong32 reassigns;                      /* reassigns */
461     } PACKED list[1];
462 } PACKED gdth_dskstat_str;
463 
464 /* IO channel header */
465 typedef struct {
466     ulong32     version;                        /* version (-1UL: newest) */
467     unchar      list_entries;                   /* list entry count */
468     unchar      first_chan;                     /* first channel number */
469     unchar      last_chan;                      /* last channel number */
470     unchar      chan_count;                     /* (R) channel count */
471     ulong32     list_offset;                    /* offset of list[0] */
472 } PACKED gdth_iochan_header;
473 
474 /* get IO channel description */
475 typedef struct {
476     gdth_iochan_header  hdr;
477     struct {
478         ulong32         address;                /* channel address */
479         unchar          type;                   /* type (SCSI, FCAL) */
480         unchar          local_no;               /* local number */
481         ushort          features;               /* channel features */
482     } PACKED list[MAXBUS];
483 } PACKED gdth_iochan_str;
484 
485 /* get raw IO channel description */
486 typedef struct {
487     gdth_iochan_header  hdr;
488     struct {
489         unchar      proc_id;                    /* processor id */
490         unchar      proc_defect;                /* defect ? */
491         unchar      reserved[2];
492     } PACKED list[MAXBUS];
493 } PACKED gdth_raw_iochan_str;
494 
495 /* array drive component */
496 typedef struct {
497     ulong32     al_controller;                  /* controller ID */
498     unchar      al_cache_drive;                 /* cache drive number */
499     unchar      al_status;                      /* cache drive state */
500     unchar      al_res[2];
501 } PACKED gdth_arraycomp_str;
502 
503 /* array drive information */
504 typedef struct {
505     unchar      ai_type;                        /* array type (RAID0,4,5) */
506     unchar      ai_cache_drive_cnt;             /* active cachedrives */
507     unchar      ai_state;                       /* array drive state */
508     unchar      ai_master_cd;                   /* master cachedrive */
509     ulong32     ai_master_controller;           /* ID of master controller */
510     ulong32     ai_size;                        /* user capacity [sectors] */
511     ulong32     ai_striping_size;               /* striping size [sectors] */
512     ulong32     ai_secsize;                     /* sector size [bytes] */
513     ulong32     ai_err_info;                    /* failed cache drive */
514     unchar      ai_name[8];                     /* name of the array drive */
515     unchar      ai_controller_cnt;              /* number of controllers */
516     unchar      ai_removable;                   /* flag: removable */
517     unchar      ai_write_protected;             /* flag: write protected */
518     unchar      ai_devtype;                     /* type: always direct access */
519     gdth_arraycomp_str  ai_drives[35];          /* drive components: */
520     unchar      ai_drive_entries;               /* number of drive components */
521     unchar      ai_protected;                   /* protection flag */
522     unchar      ai_verify_state;                /* state of a parity verify */
523     unchar      ai_ext_state;                   /* extended array drive state */
524     unchar      ai_expand_state;                /* array expand state (>=2.18)*/
525     unchar      ai_reserved[3];
526 } PACKED gdth_arrayinf_str;
527 
528 /* get array drive list */
529 typedef struct {
530     ulong32     controller_no;                  /* controller no. */
531     unchar      cd_handle;                      /* master cachedrive */
532     unchar      is_arrayd;                      /* Flag: is array drive? */
533     unchar      is_master;                      /* Flag: is array master? */
534     unchar      is_parity;                      /* Flag: is parity drive? */
535     unchar      is_hotfix;                      /* Flag: is hotfix drive? */
536     unchar      res[3];
537 } PACKED gdth_alist_str;
538 
539 typedef struct {
540     ulong32     entries_avail;                  /* allocated entries */
541     ulong32     entries_init;                   /* returned entries */
542     ulong32     first_entry;                    /* first entry number */
543     ulong32     list_offset;                    /* offset of following list */
544     gdth_alist_str list[1];                     /* list */
545 } PACKED gdth_arcdl_str;
546 
547 /* cache info/config IOCTL */
548 typedef struct {
549     ulong32     version;                        /* firmware version */
550     ushort      state;                          /* cache state (on/off) */
551     ushort      strategy;                       /* cache strategy */
552     ushort      write_back;                     /* write back state (on/off) */
553     ushort      block_size;                     /* cache block size */
554 } PACKED gdth_cpar_str;
555 
556 typedef struct {
557     ulong32     csize;                          /* cache size */
558     ulong32     read_cnt;                       /* read/write counter */
559     ulong32     write_cnt;
560     ulong32     tr_hits;                        /* hits */
561     ulong32     sec_hits;
562     ulong32     sec_miss;                       /* misses */
563 } PACKED gdth_cstat_str;
564 
565 typedef struct {
566     gdth_cpar_str   cpar;
567     gdth_cstat_str  cstat;
568 } PACKED gdth_cinfo_str;
569 
570 /* cache drive info */
571 typedef struct {
572     unchar      cd_name[8];                     /* cache drive name */
573     ulong32     cd_devtype;                     /* SCSI devicetype */
574     ulong32     cd_ldcnt;                       /* number of log. drives */
575     ulong32     cd_last_error;                  /* last error */
576     unchar      cd_initialized;                 /* drive is initialized */
577     unchar      cd_removable;                   /* media is removable */
578     unchar      cd_write_protected;             /* write protected */
579     unchar      cd_flags;                       /* Pool Hot Fix? */
580     ulong32     ld_blkcnt;                      /* number of blocks */
581     ulong32     ld_blksize;                     /* blocksize */
582     ulong32     ld_dcnt;                        /* number of disks */
583     ulong32     ld_slave;                       /* log. drive index */
584     ulong32     ld_dtype;                       /* type of logical drive */
585     ulong32     ld_last_error;                  /* last error */
586     unchar      ld_name[8];                     /* log. drive name */
587     unchar      ld_error;                       /* error */
588 } PACKED gdth_cdrinfo_str;
589 
590 /* OEM string */
591 typedef struct {
592     ulong32     ctl_version;
593     ulong32     file_major_version;
594     ulong32     file_minor_version;
595     ulong32     buffer_size;
596     ulong32     cpy_count;
597     ulong32     ext_error;
598     ulong32     oem_id;
599     ulong32     board_id;
600 } PACKED gdth_oem_str_params;
601 
602 typedef struct {
603     unchar      product_0_1_name[16];
604     unchar      product_4_5_name[16];
605     unchar      product_cluster_name[16];
606     unchar      product_reserved[16];
607     unchar      scsi_cluster_target_vendor_id[16];
608     unchar      cluster_raid_fw_name[16];
609     unchar      oem_brand_name[16];
610     unchar      oem_raid_type[16];
611     unchar      bios_type[13];
612     unchar      bios_title[50];
613     unchar      oem_company_name[37];
614     ulong32     pci_id_1;
615     ulong32     pci_id_2;
616     unchar      validation_status[80];
617     unchar      reserved_1[4];
618     unchar      scsi_host_drive_inquiry_vendor_id[16];
619     unchar      library_file_template[16];
620     unchar      reserved_2[16];
621     unchar      tool_name_1[32];
622     unchar      tool_name_2[32];
623     unchar      tool_name_3[32];
624     unchar      oem_contact_1[84];
625     unchar      oem_contact_2[84];
626     unchar      oem_contact_3[84];
627 } PACKED gdth_oem_str;
628 
629 typedef struct {
630     gdth_oem_str_params params;
631     gdth_oem_str        text;
632 } PACKED gdth_oem_str_ioctl;
633 
634 /* board features */
635 typedef struct {
636     unchar      chaining;                       /* Chaining supported */
637     unchar      striping;                       /* Striping (RAID-0) supp. */
638     unchar      mirroring;                      /* Mirroring (RAID-1) supp. */
639     unchar      raid;                           /* RAID-4/5/10 supported */
640 } PACKED gdth_bfeat_str;
641 
642 /* board info IOCTL */
643 typedef struct {
644     ulong32     ser_no;                         /* serial no. */
645     unchar      oem_id[2];                      /* OEM ID */
646     ushort      ep_flags;                       /* eprom flags */
647     ulong32     proc_id;                        /* processor ID */
648     ulong32     memsize;                        /* memory size (bytes) */
649     unchar      mem_banks;                      /* memory banks */
650     unchar      chan_type;                      /* channel type */
651     unchar      chan_count;                     /* channel count */
652     unchar      rdongle_pres;                   /* dongle present? */
653     ulong32     epr_fw_ver;                     /* (eprom) firmware version */
654     ulong32     upd_fw_ver;                     /* (update) firmware version */
655     ulong32     upd_revision;                   /* update revision */
656     char        type_string[16];                /* controller name */
657     char        raid_string[16];                /* RAID firmware name */
658     unchar      update_pres;                    /* update present? */
659     unchar      xor_pres;                       /* XOR engine present? */
660     unchar      prom_type;                      /* ROM type (eprom/flash) */
661     unchar      prom_count;                     /* number of ROM devices */
662     ulong32     dup_pres;                       /* duplexing module present? */
663     ulong32     chan_pres;                      /* number of expansion chn. */
664     ulong32     mem_pres;                       /* memory expansion inst. ? */
665     unchar      ft_bus_system;                  /* fault bus supported? */
666     unchar      subtype_valid;                  /* board_subtype valid? */
667     unchar      board_subtype;                  /* subtype/hardware level */
668     unchar      ramparity_pres;                 /* RAM parity check hardware? */
669 } PACKED gdth_binfo_str;
670 
671 /* get host drive info */
672 typedef struct {
673     char        name[8];                        /* host drive name */
674     ulong32     size;                           /* size (sectors) */
675     unchar      host_drive;                     /* host drive number */
676     unchar      log_drive;                      /* log. drive (master) */
677     unchar      reserved;
678     unchar      rw_attribs;                     /* r/w attribs */
679     ulong32     start_sec;                      /* start sector */
680 } PACKED gdth_hentry_str;
681 
682 typedef struct {
683     ulong32     entries;                        /* entry count */
684     ulong32     offset;                         /* offset of entries */
685     unchar      secs_p_head;                    /* sectors/head */
686     unchar      heads_p_cyl;                    /* heads/cylinder */
687     unchar      reserved;
688     unchar      clust_drvtype;                  /* cluster drive type */
689     ulong32     location;                       /* controller number */
690     gdth_hentry_str entry[MAX_HDRIVES];         /* entries */
691 } PACKED gdth_hget_str;
692 
693 
694 /* DPRAM structures */
695 
696 /* interface area ISA/PCI */
697 typedef struct {
698     unchar              S_Cmd_Indx;             /* special command */
699     unchar volatile     S_Status;               /* status special command */
700     ushort              reserved1;
701     ulong32             S_Info[4];              /* add. info special command */
702     unchar volatile     Sema0;                  /* command semaphore */
703     unchar              reserved2[3];
704     unchar              Cmd_Index;              /* command number */
705     unchar              reserved3[3];
706     ushort volatile     Status;                 /* command status */
707     ushort              Service;                /* service(for async.events) */
708     ulong32             Info[2];                /* additional info */
709     struct {
710         ushort          offset;                 /* command offs. in the DPRAM*/
711         ushort          serv_id;                /* service */
712     } PACKED comm_queue[MAXOFFSETS];            /* command queue */
713     ulong32             bios_reserved[2];
714     unchar              gdt_dpr_cmd[1];         /* commands */
715 } PACKED gdt_dpr_if;
716 
717 /* SRAM structure PCI controllers */
718 typedef struct {
719     ulong32     magic;                          /* controller ID from BIOS */
720     ushort      need_deinit;                    /* switch betw. BIOS/driver */
721     unchar      switch_support;                 /* see need_deinit */
722     unchar      padding[9];
723     unchar      os_used[16];                    /* OS code per service */
724     unchar      unused[28];
725     unchar      fw_magic;                       /* contr. ID from firmware */
726 } PACKED gdt_pci_sram;
727 
728 /* SRAM structure EISA controllers (but NOT GDT3000/3020) */
729 typedef struct {
730     unchar      os_used[16];                    /* OS code per service */
731     ushort      need_deinit;                    /* switch betw. BIOS/driver */
732     unchar      switch_support;                 /* see need_deinit */
733     unchar      padding;
734 } PACKED gdt_eisa_sram;
735 
736 
737 /* DPRAM ISA controllers */
738 typedef struct {
739     union {
740         struct {
741             unchar      bios_used[0x3c00-32];   /* 15KB - 32Bytes BIOS */
742             ulong32     magic;                  /* controller (EISA) ID */
743             ushort      need_deinit;            /* switch betw. BIOS/driver */
744             unchar      switch_support;         /* see need_deinit */
745             unchar      padding[9];
746             unchar      os_used[16];            /* OS code per service */
747         } PACKED dp_sram;
748         unchar          bios_area[0x4000];      /* 16KB reserved for BIOS */
749     } bu;
750     union {
751         gdt_dpr_if      ic;                     /* interface area */
752         unchar          if_area[0x3000];        /* 12KB for interface */
753     } u;
754     struct {
755         unchar          memlock;                /* write protection DPRAM */
756         unchar          event;                  /* release event */
757         unchar          irqen;                  /* board interrupts enable */
758         unchar          irqdel;                 /* acknowledge board int. */
759         unchar volatile Sema1;                  /* status semaphore */
760         unchar          rq;                     /* IRQ/DRQ configuration */
761     } PACKED io;
762 } PACKED gdt2_dpram_str;
763 
764 /* DPRAM PCI controllers */
765 typedef struct {
766     union {
767         gdt_dpr_if      ic;                     /* interface area */
768         unchar          if_area[0xff0-sizeof(gdt_pci_sram)];
769     } u;
770     gdt_pci_sram        gdt6sr;                 /* SRAM structure */
771     struct {
772         unchar          unused0[1];
773         unchar volatile Sema1;                  /* command semaphore */
774         unchar          unused1[3];
775         unchar          irqen;                  /* board interrupts enable */
776         unchar          unused2[2];
777         unchar          event;                  /* release event */
778         unchar          unused3[3];
779         unchar          irqdel;                 /* acknowledge board int. */
780         unchar          unused4[3];
781     } PACKED io;
782 } PACKED gdt6_dpram_str;
783 
784 /* PLX register structure (new PCI controllers) */
785 typedef struct {
786     unchar              cfg_reg;        /* DPRAM cfg.(2:below 1MB,0:anywhere)*/
787     unchar              unused1[0x3f];
788     unchar volatile     sema0_reg;              /* command semaphore */
789     unchar volatile     sema1_reg;              /* status semaphore */
790     unchar              unused2[2];
791     ushort volatile     status;                 /* command status */
792     ushort              service;                /* service */
793     ulong32             info[2];                /* additional info */
794     unchar              unused3[0x10];
795     unchar              ldoor_reg;              /* PCI to local doorbell */
796     unchar              unused4[3];
797     unchar volatile     edoor_reg;              /* local to PCI doorbell */
798     unchar              unused5[3];
799     unchar              control0;               /* control0 register(unused) */
800     unchar              control1;               /* board interrupts enable */
801     unchar              unused6[0x16];
802 } PACKED gdt6c_plx_regs;
803 
804 /* DPRAM new PCI controllers */
805 typedef struct {
806     union {
807         gdt_dpr_if      ic;                     /* interface area */
808         unchar          if_area[0x4000-sizeof(gdt_pci_sram)];
809     } u;
810     gdt_pci_sram        gdt6sr;                 /* SRAM structure */
811 } PACKED gdt6c_dpram_str;
812 
813 /* i960 register structure (PCI MPR controllers) */
814 typedef struct {
815     unchar              unused1[16];
816     unchar volatile     sema0_reg;              /* command semaphore */
817     unchar              unused2;
818     unchar volatile     sema1_reg;              /* status semaphore */
819     unchar              unused3;
820     ushort volatile     status;                 /* command status */
821     ushort              service;                /* service */
822     ulong32             info[2];                /* additional info */
823     unchar              ldoor_reg;              /* PCI to local doorbell */
824     unchar              unused4[11];
825     unchar volatile     edoor_reg;              /* local to PCI doorbell */
826     unchar              unused5[7];
827     unchar              edoor_en_reg;           /* board interrupts enable */
828     unchar              unused6[27];
829     ulong32             unused7[939];
830     ulong32             severity;
831     char                evt_str[256];           /* event string */
832 } PACKED gdt6m_i960_regs;
833 
834 /* DPRAM PCI MPR controllers */
835 typedef struct {
836     gdt6m_i960_regs     i960r;                  /* 4KB i960 registers */
837     union {
838         gdt_dpr_if      ic;                     /* interface area */
839         unchar          if_area[0x3000-sizeof(gdt_pci_sram)];
840     } u;
841     gdt_pci_sram        gdt6sr;                 /* SRAM structure */
842 } PACKED gdt6m_dpram_str;
843 
844 
845 /* PCI resources */
846 typedef struct {
847     struct pci_dev      *pdev;
848     ushort              vendor_id;              /* vendor (ICP, Intel, ..) */
849     ushort              device_id;              /* device ID (0,..,9) */
850     ushort              subdevice_id;           /* sub device ID */
851     unchar              bus;                    /* PCI bus */
852     unchar              device_fn;              /* PCI device/function no. */
853     ulong               dpmem;                  /* DPRAM address */
854     ulong               io;                     /* IO address */
855     ulong               io_mm;                  /* IO address mem. mapped */
856     unchar              irq;                    /* IRQ */
857 } gdth_pci_str;
858 
859 
860 /* controller information structure */
861 typedef struct {
862     ushort              oem_id;                 /* OEM */
863     ushort              type;                   /* controller class */
864     ulong32             stype;                  /* subtype (PCI: device ID) */
865     ushort              subdevice_id;           /* sub device ID (PCI) */
866     ushort              fw_vers;                /* firmware version */
867     ushort              cache_feat;             /* feat. cache serv. (s/g,..)*/
868     ushort              raw_feat;               /* feat. raw service (s/g,..)*/
869     ushort              screen_feat;            /* feat. raw service (s/g,..)*/
870     ushort              bmic;                   /* BMIC address (EISA) */
871     void                *brd;                   /* DPRAM address */
872     ulong32             brd_phys;               /* slot number/BIOS address */
873     gdt6c_plx_regs      *plx;                   /* PLX regs (new PCI contr.) */
874     gdth_cmd_str        *pccb;                  /* address command structure */
875     ulong32             ccb_phys;               /* phys. address */
876 #ifdef INT_COAL
877     gdth_coal_status    *coal_stat;             /* buffer for coalescing int.*/
878     ulong64             coal_stat_phys;         /* phys. address */
879 #endif
880     char                *pscratch;              /* scratch (DMA) buffer */
881     ulong64             scratch_phys;           /* phys. address */
882     unchar              scratch_busy;           /* in use? */
883     unchar              dma64_support;          /* 64-bit DMA supported? */
884     gdth_msg_str        *pmsg;                  /* message buffer */
885     ulong64             msg_phys;               /* phys. address */
886     unchar              scan_mode;              /* current scan mode */
887     unchar              irq;                    /* IRQ */
888     unchar              drq;                    /* DRQ (ISA controllers) */
889     ushort              status;                 /* command status */
890     ushort              service;                /* service/firmware ver./.. */
891     ulong32             info;
892     ulong32             info2;                  /* additional info */
893     Scsi_Cmnd           *req_first;             /* top of request queue */
894     struct {
895         unchar          present;                /* Flag: host drive present? */
896         unchar          is_logdrv;              /* Flag: log. drive (master)? */
897         unchar          is_arraydrv;            /* Flag: array drive? */
898         unchar          is_master;              /* Flag: array drive master? */
899         unchar          is_parity;              /* Flag: parity drive? */
900         unchar          is_hotfix;              /* Flag: hotfix drive? */
901         unchar          master_no;              /* number of master drive */
902         unchar          lock;                   /* drive locked? (hot plug) */
903         unchar          heads;                  /* mapping */
904         unchar          secs;
905         ushort          devtype;                /* further information */
906         ulong64         size;                   /* capacity */
907         unchar          ldr_no;                 /* log. drive no. */
908         unchar          rw_attribs;             /* r/w attributes */
909         unchar          cluster_type;           /* cluster properties */
910         unchar          media_changed;          /* Flag:MOUNT/UNMOUNT occured */
911         ulong32         start_sec;              /* start sector */
912     } hdr[MAX_LDRIVES];                         /* host drives */
913     struct {
914         unchar          lock;                   /* channel locked? (hot plug) */
915         unchar          pdev_cnt;               /* physical device count */
916         unchar          local_no;               /* local channel number */
917         unchar          io_cnt[MAXID];          /* current IO count */
918         ulong32         address;                /* channel address */
919         ulong32         id_list[MAXID];         /* IDs of the phys. devices */
920     } raw[MAXBUS];                              /* SCSI channels */
921     struct {
922         Scsi_Cmnd       *cmnd;                  /* pending request */
923         ushort          service;                /* service */
924     } cmd_tab[GDTH_MAXCMDS];                    /* table of pend. requests */
925     unchar              bus_cnt;                /* SCSI bus count */
926     unchar              tid_cnt;                /* Target ID count */
927     unchar              bus_id[MAXBUS];         /* IOP IDs */
928     unchar              virt_bus;               /* number of virtual bus */
929     unchar              more_proc;              /* more /proc info supported */
930     ushort              cmd_cnt;                /* command count in DPRAM */
931     ushort              cmd_len;                /* length of actual command */
932     ushort              cmd_offs_dpmem;         /* actual offset in DPRAM */
933     ushort              ic_all_size;            /* sizeof DPRAM interf. area */
934     gdth_cpar_str       cpar;                   /* controller cache par. */
935     gdth_bfeat_str      bfeat;                  /* controller features */
936     gdth_binfo_str      binfo;                  /* controller info */
937     gdth_evt_data       dvr;                    /* event structure */
938     spinlock_t          smp_lock;
939 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
940     struct pci_dev      *pdev;
941 #endif
942     char                oem_name[8];
943 #ifdef GDTH_DMA_STATISTICS
944     ulong               dma32_cnt, dma64_cnt;   /* statistics: DMA buffer */
945 #endif
946 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
947     Scsi_Device         *sdev;
948 #else
949     Scsi_Device         sdev;
950 #endif
951 } gdth_ha_str;
952 
953 /* structure for scsi_register(), SCSI bus != 0 */
954 typedef struct {
955     ushort      hanum;
956     ushort      busnum;
957 } gdth_num_str;
958 
959 /* structure for scsi_register() */
960 typedef struct {
961     gdth_num_str        numext;                 /* must be the first element */
962     gdth_ha_str         haext;
963     gdth_cmd_str        cmdext;
964 } gdth_ext_str;
965 
966 
967 /* INQUIRY data format */
968 typedef struct {
969     unchar      type_qual;
970     unchar      modif_rmb;
971     unchar      version;
972     unchar      resp_aenc;
973     unchar      add_length;
974     unchar      reserved1;
975     unchar      reserved2;
976     unchar      misc;
977     unchar      vendor[8];
978     unchar      product[16];
979     unchar      revision[4];
980 } PACKED gdth_inq_data;
981 
982 /* READ_CAPACITY data format */
983 typedef struct {
984     ulong32     last_block_no;
985     ulong32     block_length;
986 } PACKED gdth_rdcap_data;
987 
988 /* READ_CAPACITY (16) data format */
989 typedef struct {
990     ulong64     last_block_no;
991     ulong32     block_length;
992 } PACKED gdth_rdcap16_data;
993 
994 /* REQUEST_SENSE data format */
995 typedef struct {
996     unchar      errorcode;
997     unchar      segno;
998     unchar      key;
999     ulong32     info;
1000     unchar      add_length;
1001     ulong32     cmd_info;
1002     unchar      adsc;
1003     unchar      adsq;
1004     unchar      fruc;
1005     unchar      key_spec[3];
1006 } PACKED gdth_sense_data;
1007 
1008 /* MODE_SENSE data format */
1009 typedef struct {
1010     struct {
1011         unchar  data_length;
1012         unchar  med_type;
1013         unchar  dev_par;
1014         unchar  bd_length;
1015     } PACKED hd;
1016     struct {
1017         unchar  dens_code;
1018         unchar  block_count[3];
1019         unchar  reserved;
1020         unchar  block_length[3];
1021     } PACKED bd;
1022 } PACKED gdth_modep_data;
1023 
1024 /* stack frame */
1025 typedef struct {
1026     ulong       b[10];                          /* 32/64 bit compiler ! */
1027 } PACKED gdth_stackframe;
1028 
1029 
1030 /* function prototyping */
1031 
1032 int gdth_detect(Scsi_Host_Template *);
1033 int gdth_release(struct Scsi_Host *);
1034 int gdth_queuecommand(Scsi_Cmnd *,void (*done)(Scsi_Cmnd *));
1035 const char *gdth_info(struct Scsi_Host *);
1036 
1037 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
1038 int gdth_bios_param(struct scsi_device *,struct block_device *,sector_t,int *);
1039 int gdth_proc_info(struct Scsi_Host *, char *,char **,off_t,int,int);
1040 #elif LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
1041 int gdth_bios_param(Disk *,kdev_t,int *);
1042 int gdth_proc_info(char *,char **,off_t,int,int,int);
1043 #else
1044 int gdth_bios_param(Disk *,kdev_t,int *);
1045 extern struct proc_dir_entry proc_scsi_gdth;
1046 int gdth_proc_info(char *,char **,off_t,int,int,int);
1047 int gdth_abort(Scsi_Cmnd *);
1048 int gdth_reset(Scsi_Cmnd *,unsigned int);
1049 #define GDTH { proc_dir:        &proc_scsi_gdth,                 \
1050                proc_info:       gdth_proc_info,                  \
1051                name:            "GDT SCSI Disk Array Controller",\
1052                detect:          gdth_detect,                     \
1053                release:         gdth_release,                    \
1054                info:            gdth_info,                       \
1055                command:         NULL,                            \
1056                queuecommand:    gdth_queuecommand,               \
1057                eh_abort_handler: gdth_eh_abort,                  \
1058                eh_device_reset_handler: gdth_eh_device_reset,    \
1059                eh_bus_reset_handler: gdth_eh_bus_reset,          \
1060                eh_host_reset_handler: gdth_eh_host_reset,        \
1061                abort:           gdth_abort,                      \
1062                reset:           gdth_reset,                      \
1063                bios_param:      gdth_bios_param,                 \
1064                can_queue:       GDTH_MAXCMDS,                    \
1065                this_id:         -1,                              \
1066                sg_tablesize:    GDTH_MAXSG,                      \
1067                cmd_per_lun:     GDTH_MAXC_P_L,                   \
1068                present:         0,                               \
1069                unchecked_isa_dma: 1,                             \
1070                use_clustering:  ENABLE_CLUSTERING,               \
1071                use_new_eh_code: 1       /* use new error code */ }
1072 #endif
1073 
1074 int gdth_eh_abort(Scsi_Cmnd *scp);
1075 int gdth_eh_device_reset(Scsi_Cmnd *scp);
1076 int gdth_eh_bus_reset(Scsi_Cmnd *scp);
1077 int gdth_eh_host_reset(Scsi_Cmnd *scp);
1078 
1079 #endif
1080