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Merge remote-tracking branch 'spi/fix/topcliff' into spi-linus
[linux.git] / drivers / scsi / gdth.h
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1da177e4
LT		 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 *
cbd5f69b 7 * gdth.h Copyright (C) 1995-06 ICP vortex, Achim Leubner
1da177e4
LT		 8 * See gdth.c for further informations and
9 * below for supported controller types
10 *
11 * <[email protected]>
12 *
cbd5f69b 13 * $Id: gdth.h,v 1.58 2006/01/11 16:14:09 achim Exp $
1da177e4
LT		 14 */
15
1da177e4
LT		 16#include <linux/types.h>
17
18#ifndef TRUE
19#define TRUE 1
20#endif
21#ifndef FALSE
22#define FALSE 0
23#endif
24
25/* defines, macros */
26
27/* driver version */
cbd5f69b 28#define GDTH_VERSION_STR "3.05"
1da177e4 29#define GDTH_VERSION 3
cbd5f69b 30#define GDTH_SUBVERSION 5
1da177e4
LT		 31
32/* protocol version */
33#define PROTOCOL_VERSION 1
34
35/* OEM IDs */
36#define OEM_ID_ICP 0x941c
37#define OEM_ID_INTEL 0x8000
38
39/* controller classes */
40#define GDT_ISA 0x01 /* ISA controller */
41#define GDT_EISA 0x02 /* EISA controller */
42#define GDT_PCI 0x03 /* PCI controller */
43#define GDT_PCINEW 0x04 /* new PCI controller */
44#define GDT_PCIMPR 0x05 /* PCI MPR controller */
45/* GDT_EISA, controller subtypes EISA */
46#define GDT3_ID 0x0130941c /* GDT3000/3020 */
47#define GDT3A_ID 0x0230941c /* GDT3000A/3020A/3050A */
48#define GDT3B_ID 0x0330941c /* GDT3000B/3010A */
49/* GDT_ISA */
50#define GDT2_ID 0x0120941c /* GDT2000/2020 */
51
1da177e4
LT		 52#ifndef PCI_DEVICE_ID_VORTEX_GDT60x0
53/* GDT_PCI */
54#define PCI_DEVICE_ID_VORTEX_GDT60x0 0 /* GDT6000/6020/6050 */
55#define PCI_DEVICE_ID_VORTEX_GDT6000B 1 /* GDT6000B/6010 */
56/* GDT_PCINEW */
57#define PCI_DEVICE_ID_VORTEX_GDT6x10 2 /* GDT6110/6510 */
58#define PCI_DEVICE_ID_VORTEX_GDT6x20 3 /* GDT6120/6520 */
59#define PCI_DEVICE_ID_VORTEX_GDT6530 4 /* GDT6530 */
60#define PCI_DEVICE_ID_VORTEX_GDT6550 5 /* GDT6550 */
61/* GDT_PCINEW, wide/ultra SCSI controllers */
62#define PCI_DEVICE_ID_VORTEX_GDT6x17 6 /* GDT6117/6517 */
63#define PCI_DEVICE_ID_VORTEX_GDT6x27 7 /* GDT6127/6527 */
64#define PCI_DEVICE_ID_VORTEX_GDT6537 8 /* GDT6537 */
65#define PCI_DEVICE_ID_VORTEX_GDT6557 9 /* GDT6557/6557-ECC */
66/* GDT_PCINEW, wide SCSI controllers */
67#define PCI_DEVICE_ID_VORTEX_GDT6x15 10 /* GDT6115/6515 */
68#define PCI_DEVICE_ID_VORTEX_GDT6x25 11 /* GDT6125/6525 */
69#define PCI_DEVICE_ID_VORTEX_GDT6535 12 /* GDT6535 */
70#define PCI_DEVICE_ID_VORTEX_GDT6555 13 /* GDT6555/6555-ECC */
71#endif
72
73#ifndef PCI_DEVICE_ID_VORTEX_GDT6x17RP
74/* GDT_MPR, RP series, wide/ultra SCSI */
75#define PCI_DEVICE_ID_VORTEX_GDT6x17RP 0x100 /* GDT6117RP/GDT6517RP */
76#define PCI_DEVICE_ID_VORTEX_GDT6x27RP 0x101 /* GDT6127RP/GDT6527RP */
77#define PCI_DEVICE_ID_VORTEX_GDT6537RP 0x102 /* GDT6537RP */
78#define PCI_DEVICE_ID_VORTEX_GDT6557RP 0x103 /* GDT6557RP */
79/* GDT_MPR, RP series, narrow/ultra SCSI */
80#define PCI_DEVICE_ID_VORTEX_GDT6x11RP 0x104 /* GDT6111RP/GDT6511RP */
81#define PCI_DEVICE_ID_VORTEX_GDT6x21RP 0x105 /* GDT6121RP/GDT6521RP */
82#endif
83#ifndef PCI_DEVICE_ID_VORTEX_GDT6x17RD
84/* GDT_MPR, RD series, wide/ultra SCSI */
85#define PCI_DEVICE_ID_VORTEX_GDT6x17RD 0x110 /* GDT6117RD/GDT6517RD */
86#define PCI_DEVICE_ID_VORTEX_GDT6x27RD 0x111 /* GDT6127RD/GDT6527RD */
87#define PCI_DEVICE_ID_VORTEX_GDT6537RD 0x112 /* GDT6537RD */
88#define PCI_DEVICE_ID_VORTEX_GDT6557RD 0x113 /* GDT6557RD */
89/* GDT_MPR, RD series, narrow/ultra SCSI */
90#define PCI_DEVICE_ID_VORTEX_GDT6x11RD 0x114 /* GDT6111RD/GDT6511RD */
91#define PCI_DEVICE_ID_VORTEX_GDT6x21RD 0x115 /* GDT6121RD/GDT6521RD */
92/* GDT_MPR, RD series, wide/ultra2 SCSI */
93#define PCI_DEVICE_ID_VORTEX_GDT6x18RD 0x118 /* GDT6118RD/GDT6518RD/
94 GDT6618RD */
95#define PCI_DEVICE_ID_VORTEX_GDT6x28RD 0x119 /* GDT6128RD/GDT6528RD/
96 GDT6628RD */
97#define PCI_DEVICE_ID_VORTEX_GDT6x38RD 0x11A /* GDT6538RD/GDT6638RD */
98#define PCI_DEVICE_ID_VORTEX_GDT6x58RD 0x11B /* GDT6558RD/GDT6658RD */
99/* GDT_MPR, RN series (64-bit PCI), wide/ultra2 SCSI */
100#define PCI_DEVICE_ID_VORTEX_GDT7x18RN 0x168 /* GDT7118RN/GDT7518RN/
101 GDT7618RN */
102#define PCI_DEVICE_ID_VORTEX_GDT7x28RN 0x169 /* GDT7128RN/GDT7528RN/
103 GDT7628RN */
104#define PCI_DEVICE_ID_VORTEX_GDT7x38RN 0x16A /* GDT7538RN/GDT7638RN */
105#define PCI_DEVICE_ID_VORTEX_GDT7x58RN 0x16B /* GDT7558RN/GDT7658RN */
106#endif
107
108#ifndef PCI_DEVICE_ID_VORTEX_GDT6x19RD
109/* GDT_MPR, RD series, Fibre Channel */
110#define PCI_DEVICE_ID_VORTEX_GDT6x19RD 0x210 /* GDT6519RD/GDT6619RD */
111#define PCI_DEVICE_ID_VORTEX_GDT6x29RD 0x211 /* GDT6529RD/GDT6629RD */
112/* GDT_MPR, RN series (64-bit PCI), Fibre Channel */
113#define PCI_DEVICE_ID_VORTEX_GDT7x19RN 0x260 /* GDT7519RN/GDT7619RN */
114#define PCI_DEVICE_ID_VORTEX_GDT7x29RN 0x261 /* GDT7529RN/GDT7629RN */
115#endif
116
117#ifndef PCI_DEVICE_ID_VORTEX_GDTMAXRP
118/* GDT_MPR, last device ID */
119#define PCI_DEVICE_ID_VORTEX_GDTMAXRP 0x2ff
120#endif
121
122#ifndef PCI_DEVICE_ID_VORTEX_GDTNEWRX
123/* new GDT Rx Controller */
124#define PCI_DEVICE_ID_VORTEX_GDTNEWRX 0x300
125#endif
126
127#ifndef PCI_DEVICE_ID_VORTEX_GDTNEWRX2
128/* new(2) GDT Rx Controller */
129#define PCI_DEVICE_ID_VORTEX_GDTNEWRX2 0x301
130#endif
131
132#ifndef PCI_DEVICE_ID_INTEL_SRC
133/* Intel Storage RAID Controller */
134#define PCI_DEVICE_ID_INTEL_SRC 0x600
135#endif
136
137#ifndef PCI_DEVICE_ID_INTEL_SRC_XSCALE
138/* Intel Storage RAID Controller */
139#define PCI_DEVICE_ID_INTEL_SRC_XSCALE 0x601
140#endif
141
142/* limits */
143#define GDTH_SCRATCH PAGE_SIZE /* 4KB scratch buffer */
144#define GDTH_MAXCMDS 120
145#define GDTH_MAXC_P_L 16 /* max. cmds per lun */
146#define GDTH_MAX_RAW 2 /* max. cmds per raw device */
147#define MAXOFFSETS 128
148#define MAXHA 16
149#define MAXID 127
150#define MAXLUN 8
151#define MAXBUS 6
152#define MAX_EVENTS 100 /* event buffer count */
153#define MAX_RES_ARGS 40 /* device reservation,
154 must be a multiple of 4 */
155#define MAXCYLS 1024
156#define HEADS 64
157#define SECS 32 /* mapping 64*32 */
158#define MEDHEADS 127
159#define MEDSECS 63 /* mapping 127*63 */
160#define BIGHEADS 255
161#define BIGSECS 63 /* mapping 255*63 */
162
163/* special command ptr. */
164#define UNUSED_CMND ((Scsi_Cmnd *)-1)
165#define INTERNAL_CMND ((Scsi_Cmnd *)-2)
166#define SCREEN_CMND ((Scsi_Cmnd *)-3)
167#define SPECIAL_SCP(p) (p==UNUSED_CMND || p==INTERNAL_CMND || p==SCREEN_CMND)
168
169/* controller services */
170#define SCSIRAWSERVICE 3
171#define CACHESERVICE 9
172#define SCREENSERVICE 11
173
174/* screenservice defines */
175#define MSG_INV_HANDLE -1 /* special message handle */
176#define MSGLEN 16 /* size of message text */
177#define MSG_SIZE 34 /* size of message structure */
178#define MSG_REQUEST 0 /* async. event: message */
179
180/* cacheservice defines */
181#define SECTOR_SIZE 0x200 /* always 512 bytes per sec. */
182
183/* DPMEM constants */
184#define DPMEM_MAGIC 0xC0FFEE11
185#define IC_HEADER_BYTES 48
186#define IC_QUEUE_BYTES 4
187#define DPMEM_COMMAND_OFFSET IC_HEADER_BYTES+IC_QUEUE_BYTES*MAXOFFSETS
188
189/* cluster_type constants */
190#define CLUSTER_DRIVE 1
191#define CLUSTER_MOUNTED 2
192#define CLUSTER_RESERVED 4
193#define CLUSTER_RESERVE_STATE (CLUSTER_DRIVE|CLUSTER_MOUNTED|CLUSTER_RESERVED)
194
195/* commands for all services, cache service */
196#define GDT_INIT 0 /* service initialization */
197#define GDT_READ 1 /* read command */
198#define GDT_WRITE 2 /* write command */
199#define GDT_INFO 3 /* information about devices */
200#define GDT_FLUSH 4 /* flush dirty cache buffers */
201#define GDT_IOCTL 5 /* ioctl command */
202#define GDT_DEVTYPE 9 /* additional information */
203#define GDT_MOUNT 10 /* mount cache device */
204#define GDT_UNMOUNT 11 /* unmount cache device */
205#define GDT_SET_FEAT 12 /* set feat. (scatter/gather) */
206#define GDT_GET_FEAT 13 /* get features */
207#define GDT_WRITE_THR 16 /* write through */
208#define GDT_READ_THR 17 /* read through */
209#define GDT_EXT_INFO 18 /* extended info */
210#define GDT_RESET 19 /* controller reset */
211#define GDT_RESERVE_DRV 20 /* reserve host drive */
212#define GDT_RELEASE_DRV 21 /* release host drive */
213#define GDT_CLUST_INFO 22 /* cluster info */
214#define GDT_RW_ATTRIBS 23 /* R/W attribs (write thru,..)*/
215#define GDT_CLUST_RESET 24 /* releases the cluster drives*/
216#define GDT_FREEZE_IO 25 /* freezes all IOs */
217#define GDT_UNFREEZE_IO 26 /* unfreezes all IOs */
218#define GDT_X_INIT_HOST 29 /* ext. init: 64 bit support */
219#define GDT_X_INFO 30 /* ext. info for drives>2TB */
220
221/* raw service commands */
222#define GDT_RESERVE 14 /* reserve dev. to raw serv. */
223#define GDT_RELEASE 15 /* release device */
224#define GDT_RESERVE_ALL 16 /* reserve all devices */
225#define GDT_RELEASE_ALL 17 /* release all devices */
226#define GDT_RESET_BUS 18 /* reset bus */
227#define GDT_SCAN_START 19 /* start device scan */
228#define GDT_SCAN_END 20 /* stop device scan */
229#define GDT_X_INIT_RAW 21 /* ext. init: 64 bit support */
230
231/* screen service commands */
232#define GDT_REALTIME 3 /* realtime clock to screens. */
233#define GDT_X_INIT_SCR 4 /* ext. init: 64 bit support */
234
235/* IOCTL command defines */
236#define SCSI_DR_INFO 0x00 /* SCSI drive info */
237#define SCSI_CHAN_CNT 0x05 /* SCSI channel count */
238#define SCSI_DR_LIST 0x06 /* SCSI drive list */
239#define SCSI_DEF_CNT 0x15 /* grown/primary defects */
240#define DSK_STATISTICS 0x4b /* SCSI disk statistics */
241#define IOCHAN_DESC 0x5d /* description of IO channel */
242#define IOCHAN_RAW_DESC 0x5e /* description of raw IO chn. */
243#define L_CTRL_PATTERN 0x20000000L /* SCSI IOCTL mask */
244#define ARRAY_INFO 0x12 /* array drive info */
245#define ARRAY_DRV_LIST 0x0f /* array drive list */
246#define ARRAY_DRV_LIST2 0x34 /* array drive list (new) */
247#define LA_CTRL_PATTERN 0x10000000L /* array IOCTL mask */
248#define CACHE_DRV_CNT 0x01 /* cache drive count */
249#define CACHE_DRV_LIST 0x02 /* cache drive list */
250#define CACHE_INFO 0x04 /* cache info */
251#define CACHE_CONFIG 0x05 /* cache configuration */
252#define CACHE_DRV_INFO 0x07 /* cache drive info */
253#define BOARD_FEATURES 0x15 /* controller features */
254#define BOARD_INFO 0x28 /* controller info */
255#define SET_PERF_MODES 0x82 /* set mode (coalescing,..) */
256#define GET_PERF_MODES 0x83 /* get mode */
257#define CACHE_READ_OEM_STRING_RECORD 0x84 /* read OEM string record */
258#define HOST_GET 0x10001L /* get host drive list */
259#define IO_CHANNEL 0x00020000L /* default IO channel */
260#define INVALID_CHANNEL 0x0000ffffL /* invalid channel */
261
262/* service errors */
263#define S_OK 1 /* no error */
264#define S_GENERR 6 /* general error */
265#define S_BSY 7 /* controller busy */
266#define S_CACHE_UNKNOWN 12 /* cache serv.: drive unknown */
267#define S_RAW_SCSI 12 /* raw serv.: target error */
268#define S_RAW_ILL 0xff /* raw serv.: illegal */
269#define S_NOFUNC -2 /* unknown function */
270#define S_CACHE_RESERV -24 /* cache: reserv. conflict */
271
272/* timeout values */
273#define INIT_RETRIES 100000 /* 100000 * 1ms = 100s */
274#define INIT_TIMEOUT 100000 /* 100000 * 1ms = 100s */
275#define POLL_TIMEOUT 10000 /* 10000 * 1ms = 10s */
276
277/* priorities */
278#define DEFAULT_PRI 0x20
279#define IOCTL_PRI 0x10
280#define HIGH_PRI 0x08
281
282/* data directions */
283#define GDTH_DATA_IN 0x01000000L /* data from target */
284#define GDTH_DATA_OUT 0x00000000L /* data to target */
285
286/* BMIC registers (EISA controllers) */
287#define ID0REG 0x0c80 /* board ID */
288#define EINTENABREG 0x0c89 /* interrupt enable */
289#define SEMA0REG 0x0c8a /* command semaphore */
290#define SEMA1REG 0x0c8b /* status semaphore */
291#define LDOORREG 0x0c8d /* local doorbell */
292#define EDENABREG 0x0c8e /* EISA system doorbell enab. */
293#define EDOORREG 0x0c8f /* EISA system doorbell */
294#define MAILBOXREG 0x0c90 /* mailbox reg. (16 bytes) */
295#define EISAREG 0x0cc0 /* EISA configuration */
296
1da177e4
LT		 297/* other defines */
298#define LINUX_OS 8 /* used for cache optim. */
1da177e4
LT		 299#define SECS32 0x1f /* round capacity */
300#define BIOS_ID_OFFS 0x10 /* offset contr-ID in ISABIOS */
301#define LOCALBOARD 0 /* board node always 0 */
302#define ASYNCINDEX 0 /* cmd index async. event */
303#define SPEZINDEX 1 /* cmd index unknown service */
304#define COALINDEX (GDTH_MAXCMDS + 2)
305
306/* features */
307#define SCATTER_GATHER 1 /* s/g feature */
308#define GDT_WR_THROUGH 0x100 /* WRITE_THROUGH supported */
309#define GDT_64BIT 0x200 /* 64bit / drv>2TB support */
310
311#include "gdth_ioctl.h"
312
313/* screenservice message */
314typedef struct {
1fe6dbf4
DJ		 315 u32 msg_handle; /* message handle */
316 u32 msg_len; /* size of message */
317 u32 msg_alen; /* answer length */
318 u8 msg_answer; /* answer flag */
319 u8 msg_ext; /* more messages */
320 u8 msg_reserved[2];
1da177e4 321 char msg_text[MSGLEN+2]; /* the message text */
1fe6dbf4 322} __attribute__((packed)) gdth_msg_str;
1da177e4
LT		 323
324
325/* IOCTL data structures */
326
327/* Status coalescing buffer for returning multiple requests per interrupt */
328typedef struct {
1fe6dbf4
DJ		 329 u32 status;
330 u32 ext_status;
331 u32 info0;
332 u32 info1;
333} __attribute__((packed)) gdth_coal_status;
1da177e4
LT		 334
335/* performance mode data structure */
336typedef struct {
1fe6dbf4
DJ		 337 u32 version; /* The version of this IOCTL structure. */
338 u32 st_mode; /* 0=dis., 1=st_buf_addr1 valid, 2=both */
339 u32 st_buff_addr1; /* physical address of status buffer 1 */
340 u32 st_buff_u_addr1; /* reserved for 64 bit addressing */
341 u32 st_buff_indx1; /* reserved command idx. for this buffer */
342 u32 st_buff_addr2; /* physical address of status buffer 1 */
343 u32 st_buff_u_addr2; /* reserved for 64 bit addressing */
344 u32 st_buff_indx2; /* reserved command idx. for this buffer */
345 u32 st_buff_size; /* size of each buffer in bytes */
346 u32 cmd_mode; /* 0 = mode disabled, 1 = cmd_buff_addr1 */
347 u32 cmd_buff_addr1; /* physical address of cmd buffer 1 */
348 u32 cmd_buff_u_addr1; /* reserved for 64 bit addressing */
349 u32 cmd_buff_indx1; /* cmd buf addr1 unique identifier */
350 u32 cmd_buff_addr2; /* physical address of cmd buffer 1 */
351 u32 cmd_buff_u_addr2; /* reserved for 64 bit addressing */
352 u32 cmd_buff_indx2; /* cmd buf addr1 unique identifier */
90802ed9 353 u32 cmd_buff_size; /* size of each cmd buffer in bytes */
1fe6dbf4
DJ		 354 u32 reserved1;
355 u32 reserved2;
356} __attribute__((packed)) gdth_perf_modes;
1da177e4
LT		 357
358/* SCSI drive info */
359typedef struct {
1fe6dbf4
DJ		 360 u8 vendor[8]; /* vendor string */
361 u8 product[16]; /* product string */
362 u8 revision[4]; /* revision */
363 u32 sy_rate; /* current rate for sync. tr. */
364 u32 sy_max_rate; /* max. rate for sync. tr. */
365 u32 no_ldrive; /* belongs to this log. drv.*/
366 u32 blkcnt; /* number of blocks */
367 u16 blksize; /* size of block in bytes */
368 u8 available; /* flag: access is available */
369 u8 init; /* medium is initialized */
370 u8 devtype; /* SCSI devicetype */
371 u8 rm_medium; /* medium is removable */
372 u8 wp_medium; /* medium is write protected */
373 u8 ansi; /* SCSI I/II or III? */
374 u8 protocol; /* same as ansi */
375 u8 sync; /* flag: sync. transfer enab. */
376 u8 disc; /* flag: disconnect enabled */
377 u8 queueing; /* flag: command queing enab. */
378 u8 cached; /* flag: caching enabled */
379 u8 target_id; /* target ID of device */
380 u8 lun; /* LUN id of device */
381 u8 orphan; /* flag: drive fragment */
382 u32 last_error; /* sense key or drive state */
383 u32 last_result; /* result of last command */
384 u32 check_errors; /* err. in last surface check */
385 u8 percent; /* progress for surface check */
386 u8 last_check; /* IOCTRL operation */
387 u8 res[2];
388 u32 flags; /* from 1.19/2.19: raw reserv.*/
389 u8 multi_bus; /* multi bus dev? (fibre ch.) */
390 u8 mb_status; /* status: available? */
391 u8 res2[2];
392 u8 mb_alt_status; /* status on second bus */
393 u8 mb_alt_bid; /* number of second bus */
394 u8 mb_alt_tid; /* target id on second bus */
395 u8 res3;
396 u8 fc_flag; /* from 1.22/2.22: info valid?*/
397 u8 res4;
398 u16 fc_frame_size; /* frame size (bytes) */
1da177e4 399 char wwn[8]; /* world wide name */
1fe6dbf4 400} __attribute__((packed)) gdth_diskinfo_str;
1da177e4
LT		 401
402/* get SCSI channel count */
403typedef struct {
1fe6dbf4
DJ		 404 u32 channel_no; /* number of channel */
405 u32 drive_cnt; /* drive count */
406 u8 siop_id; /* SCSI processor ID */
407 u8 siop_state; /* SCSI processor state */
408} __attribute__((packed)) gdth_getch_str;
1da177e4
LT		 409
410/* get SCSI drive numbers */
411typedef struct {
1fe6dbf4
DJ		 412 u32 sc_no; /* SCSI channel */
413 u32 sc_cnt; /* sc_list[] elements */
414 u32 sc_list[MAXID]; /* minor device numbers */
415} __attribute__((packed)) gdth_drlist_str;
1da177e4
LT		 416
417/* get grown/primary defect count */
418typedef struct {
1fe6dbf4
DJ		 419 u8 sddc_type; /* 0x08: grown, 0x10: prim. */
420 u8 sddc_format; /* list entry format */
421 u8 sddc_len; /* list entry length */
422 u8 sddc_res;
423 u32 sddc_cnt; /* entry count */
424} __attribute__((packed)) gdth_defcnt_str;
1da177e4
LT		 425
426/* disk statistics */
427typedef struct {
1fe6dbf4
DJ		 428 u32 bid; /* SCSI channel */
429 u32 first; /* first SCSI disk */
430 u32 entries; /* number of elements */
431 u32 count; /* (R) number of init. el. */
432 u32 mon_time; /* time stamp */
1da177e4 433 struct {
1fe6dbf4
DJ		 434 u8 tid; /* target ID */
435 u8 lun; /* LUN */
436 u8 res[2];
437 u32 blk_size; /* block size in bytes */
438 u32 rd_count; /* bytes read */
439 u32 wr_count; /* bytes written */
440 u32 rd_blk_count; /* blocks read */
441 u32 wr_blk_count; /* blocks written */
442 u32 retries; /* retries */
443 u32 reassigns; /* reassigns */
444 } __attribute__((packed)) list[1];
445} __attribute__((packed)) gdth_dskstat_str;
1da177e4
LT		 446
447/* IO channel header */
448typedef struct {
1fe6dbf4
DJ		 449 u32 version; /* version (-1UL: newest) */
450 u8 list_entries; /* list entry count */
451 u8 first_chan; /* first channel number */
452 u8 last_chan; /* last channel number */
453 u8 chan_count; /* (R) channel count */
454 u32 list_offset; /* offset of list[0] */
455} __attribute__((packed)) gdth_iochan_header;
1da177e4
LT		 456
457/* get IO channel description */
458typedef struct {
459 gdth_iochan_header hdr;
460 struct {
1fe6dbf4
DJ		 461 u32 address; /* channel address */
462 u8 type; /* type (SCSI, FCAL) */
463 u8 local_no; /* local number */
464 u16 features; /* channel features */
465 } __attribute__((packed)) list[MAXBUS];
466} __attribute__((packed)) gdth_iochan_str;
1da177e4
LT		 467
468/* get raw IO channel description */
469typedef struct {
470 gdth_iochan_header hdr;
471 struct {
1fe6dbf4
DJ		 472 u8 proc_id; /* processor id */
473 u8 proc_defect; /* defect ? */
474 u8 reserved[2];
475 } __attribute__((packed)) list[MAXBUS];
476} __attribute__((packed)) gdth_raw_iochan_str;
1da177e4
LT		 477
478/* array drive component */
479typedef struct {
1fe6dbf4
DJ		 480 u32 al_controller; /* controller ID */
481 u8 al_cache_drive; /* cache drive number */
482 u8 al_status; /* cache drive state */
483 u8 al_res[2];
484} __attribute__((packed)) gdth_arraycomp_str;
1da177e4
LT		 485
486/* array drive information */
487typedef struct {
1fe6dbf4
DJ		 488 u8 ai_type; /* array type (RAID0,4,5) */
489 u8 ai_cache_drive_cnt; /* active cachedrives */
490 u8 ai_state; /* array drive state */
491 u8 ai_master_cd; /* master cachedrive */
492 u32 ai_master_controller; /* ID of master controller */
493 u32 ai_size; /* user capacity [sectors] */
494 u32 ai_striping_size; /* striping size [sectors] */
495 u32 ai_secsize; /* sector size [bytes] */
496 u32 ai_err_info; /* failed cache drive */
497 u8 ai_name[8]; /* name of the array drive */
498 u8 ai_controller_cnt; /* number of controllers */
499 u8 ai_removable; /* flag: removable */
500 u8 ai_write_protected; /* flag: write protected */
501 u8 ai_devtype; /* type: always direct access */
1da177e4 502 gdth_arraycomp_str ai_drives[35]; /* drive components: */
1fe6dbf4
DJ		 503 u8 ai_drive_entries; /* number of drive components */
504 u8 ai_protected; /* protection flag */
505 u8 ai_verify_state; /* state of a parity verify */
506 u8 ai_ext_state; /* extended array drive state */
507 u8 ai_expand_state; /* array expand state (>=2.18)*/
508 u8 ai_reserved[3];
509} __attribute__((packed)) gdth_arrayinf_str;
1da177e4
LT		 510
511/* get array drive list */
512typedef struct {
1fe6dbf4
DJ		 513 u32 controller_no; /* controller no. */
514 u8 cd_handle; /* master cachedrive */
515 u8 is_arrayd; /* Flag: is array drive? */
516 u8 is_master; /* Flag: is array master? */
517 u8 is_parity; /* Flag: is parity drive? */
518 u8 is_hotfix; /* Flag: is hotfix drive? */
519 u8 res[3];
520} __attribute__((packed)) gdth_alist_str;
1da177e4
LT		 521
522typedef struct {
1fe6dbf4
DJ		 523 u32 entries_avail; /* allocated entries */
524 u32 entries_init; /* returned entries */
525 u32 first_entry; /* first entry number */
526 u32 list_offset; /* offset of following list */
1da177e4 527 gdth_alist_str list[1]; /* list */
1fe6dbf4 528} __attribute__((packed)) gdth_arcdl_str;
1da177e4
LT		 529
530/* cache info/config IOCTL */
531typedef struct {
1fe6dbf4
DJ		 532 u32 version; /* firmware version */
533 u16 state; /* cache state (on/off) */
534 u16 strategy; /* cache strategy */
535 u16 write_back; /* write back state (on/off) */
536 u16 block_size; /* cache block size */
537} __attribute__((packed)) gdth_cpar_str;
1da177e4
LT		 538
539typedef struct {
1fe6dbf4
DJ		 540 u32 csize; /* cache size */
541 u32 read_cnt; /* read/write counter */
542 u32 write_cnt;
543 u32 tr_hits; /* hits */
544 u32 sec_hits;
545 u32 sec_miss; /* misses */
546} __attribute__((packed)) gdth_cstat_str;
1da177e4
LT		 547
548typedef struct {
549 gdth_cpar_str cpar;
550 gdth_cstat_str cstat;
1fe6dbf4 551} __attribute__((packed)) gdth_cinfo_str;
1da177e4
LT		 552
553/* cache drive info */
554typedef struct {
1fe6dbf4
DJ		 555 u8 cd_name[8]; /* cache drive name */
556 u32 cd_devtype; /* SCSI devicetype */
557 u32 cd_ldcnt; /* number of log. drives */
558 u32 cd_last_error; /* last error */
559 u8 cd_initialized; /* drive is initialized */
560 u8 cd_removable; /* media is removable */
561 u8 cd_write_protected; /* write protected */
562 u8 cd_flags; /* Pool Hot Fix? */
563 u32 ld_blkcnt; /* number of blocks */
564 u32 ld_blksize; /* blocksize */
565 u32 ld_dcnt; /* number of disks */
566 u32 ld_slave; /* log. drive index */
567 u32 ld_dtype; /* type of logical drive */
568 u32 ld_last_error; /* last error */
569 u8 ld_name[8]; /* log. drive name */
570 u8 ld_error; /* error */
571} __attribute__((packed)) gdth_cdrinfo_str;
1da177e4
LT		 572
573/* OEM string */
574typedef struct {
1fe6dbf4
DJ		 575 u32 ctl_version;
576 u32 file_major_version;
577 u32 file_minor_version;
578 u32 buffer_size;
579 u32 cpy_count;
580 u32 ext_error;
581 u32 oem_id;
582 u32 board_id;
583} __attribute__((packed)) gdth_oem_str_params;
584
585typedef struct {
586 u8 product_0_1_name[16];
587 u8 product_4_5_name[16];
588 u8 product_cluster_name[16];
589 u8 product_reserved[16];
590 u8 scsi_cluster_target_vendor_id[16];
591 u8 cluster_raid_fw_name[16];
592 u8 oem_brand_name[16];
593 u8 oem_raid_type[16];
594 u8 bios_type[13];
595 u8 bios_title[50];
596 u8 oem_company_name[37];
597 u32 pci_id_1;
598 u32 pci_id_2;
599 u8 validation_status[80];
600 u8 reserved_1[4];
601 u8 scsi_host_drive_inquiry_vendor_id[16];
602 u8 library_file_template[16];
603 u8 reserved_2[16];
604 u8 tool_name_1[32];
605 u8 tool_name_2[32];
606 u8 tool_name_3[32];
607 u8 oem_contact_1[84];
608 u8 oem_contact_2[84];
609 u8 oem_contact_3[84];
610} __attribute__((packed)) gdth_oem_str;
1da177e4
LT		 611
612typedef struct {
613 gdth_oem_str_params params;
614 gdth_oem_str text;
1fe6dbf4 615} __attribute__((packed)) gdth_oem_str_ioctl;
1da177e4
LT		 616
617/* board features */
618typedef struct {
1fe6dbf4
DJ		 619 u8 chaining; /* Chaining supported */
620 u8 striping; /* Striping (RAID-0) supp. */
621 u8 mirroring; /* Mirroring (RAID-1) supp. */
622 u8 raid; /* RAID-4/5/10 supported */
623} __attribute__((packed)) gdth_bfeat_str;
1da177e4
LT		 624
625/* board info IOCTL */
626typedef struct {
1fe6dbf4
DJ		 627 u32 ser_no; /* serial no. */
628 u8 oem_id[2]; /* OEM ID */
629 u16 ep_flags; /* eprom flags */
630 u32 proc_id; /* processor ID */
631 u32 memsize; /* memory size (bytes) */
632 u8 mem_banks; /* memory banks */
633 u8 chan_type; /* channel type */
634 u8 chan_count; /* channel count */
635 u8 rdongle_pres; /* dongle present? */
636 u32 epr_fw_ver; /* (eprom) firmware version */
637 u32 upd_fw_ver; /* (update) firmware version */
638 u32 upd_revision; /* update revision */
1da177e4
LT		 639 char type_string[16]; /* controller name */
640 char raid_string[16]; /* RAID firmware name */
1fe6dbf4
DJ		 641 u8 update_pres; /* update present? */
642 u8 xor_pres; /* XOR engine present? */
643 u8 prom_type; /* ROM type (eprom/flash) */
644 u8 prom_count; /* number of ROM devices */
645 u32 dup_pres; /* duplexing module present? */
646 u32 chan_pres; /* number of expansion chn. */
647 u32 mem_pres; /* memory expansion inst. ? */
648 u8 ft_bus_system; /* fault bus supported? */
649 u8 subtype_valid; /* board_subtype valid? */
650 u8 board_subtype; /* subtype/hardware level */
651 u8 ramparity_pres; /* RAM parity check hardware? */
652} __attribute__((packed)) gdth_binfo_str;
1da177e4
LT		 653
654/* get host drive info */
655typedef struct {
656 char name[8]; /* host drive name */
1fe6dbf4
DJ		 657 u32 size; /* size (sectors) */
658 u8 host_drive; /* host drive number */
659 u8 log_drive; /* log. drive (master) */
660 u8 reserved;
661 u8 rw_attribs; /* r/w attribs */
662 u32 start_sec; /* start sector */
663} __attribute__((packed)) gdth_hentry_str;
664
665typedef struct {
666 u32 entries; /* entry count */
667 u32 offset; /* offset of entries */
668 u8 secs_p_head; /* sectors/head */
669 u8 heads_p_cyl; /* heads/cylinder */
670 u8 reserved;
671 u8 clust_drvtype; /* cluster drive type */
672 u32 location; /* controller number */
1da177e4 673 gdth_hentry_str entry[MAX_HDRIVES]; /* entries */
1fe6dbf4 674} __attribute__((packed)) gdth_hget_str;
1da177e4
LT		 675
676
677/* DPRAM structures */
678
679/* interface area ISA/PCI */
680typedef struct {
1fe6dbf4
DJ		 681 u8 S_Cmd_Indx; /* special command */
682 u8 volatile S_Status; /* status special command */
683 u16 reserved1;
684 u32 S_Info[4]; /* add. info special command */
685 u8 volatile Sema0; /* command semaphore */
686 u8 reserved2[3];
687 u8 Cmd_Index; /* command number */
688 u8 reserved3[3];
689 u16 volatile Status; /* command status */
690 u16 Service; /* service(for async.events) */
691 u32 Info[2]; /* additional info */
1da177e4 692 struct {
1fe6dbf4
DJ		 693 u16 offset; /* command offs. in the DPRAM*/
694 u16 serv_id; /* service */
695 } __attribute__((packed)) comm_queue[MAXOFFSETS]; /* command queue */
696 u32 bios_reserved[2];
697 u8 gdt_dpr_cmd[1]; /* commands */
698} __attribute__((packed)) gdt_dpr_if;
1da177e4
LT		 699
700/* SRAM structure PCI controllers */
701typedef struct {
1fe6dbf4
DJ		 702 u32 magic; /* controller ID from BIOS */
703 u16 need_deinit; /* switch betw. BIOS/driver */
704 u8 switch_support; /* see need_deinit */
705 u8 padding[9];
706 u8 os_used[16]; /* OS code per service */
707 u8 unused[28];
708 u8 fw_magic; /* contr. ID from firmware */
709} __attribute__((packed)) gdt_pci_sram;
1da177e4
LT		 710
711/* SRAM structure EISA controllers (but NOT GDT3000/3020) */
712typedef struct {
1fe6dbf4
DJ		 713 u8 os_used[16]; /* OS code per service */
714 u16 need_deinit; /* switch betw. BIOS/driver */
715 u8 switch_support; /* see need_deinit */
716 u8 padding;
717} __attribute__((packed)) gdt_eisa_sram;
1da177e4
LT		 718
719
720/* DPRAM ISA controllers */
721typedef struct {
722 union {
723 struct {
1fe6dbf4
DJ		 724 u8 bios_used[0x3c00-32]; /* 15KB - 32Bytes BIOS */
725 u32 magic; /* controller (EISA) ID */
726 u16 need_deinit; /* switch betw. BIOS/driver */
727 u8 switch_support; /* see need_deinit */
728 u8 padding[9];
729 u8 os_used[16]; /* OS code per service */
730 } __attribute__((packed)) dp_sram;
731 u8 bios_area[0x4000]; /* 16KB reserved for BIOS */
1da177e4
LT		 732 } bu;
733 union {
734 gdt_dpr_if ic; /* interface area */
1fe6dbf4 735 u8 if_area[0x3000]; /* 12KB for interface */
1da177e4
LT		 736 } u;
737 struct {
1fe6dbf4
DJ		 738 u8 memlock; /* write protection DPRAM */
739 u8 event; /* release event */
740 u8 irqen; /* board interrupts enable */
741 u8 irqdel; /* acknowledge board int. */
742 u8 volatile Sema1; /* status semaphore */
743 u8 rq; /* IRQ/DRQ configuration */
744 } __attribute__((packed)) io;
745} __attribute__((packed)) gdt2_dpram_str;
1da177e4
LT		 746
747/* DPRAM PCI controllers */
748typedef struct {
749 union {
750 gdt_dpr_if ic; /* interface area */
1fe6dbf4 751 u8 if_area[0xff0-sizeof(gdt_pci_sram)];
1da177e4
LT		 752 } u;
753 gdt_pci_sram gdt6sr; /* SRAM structure */
754 struct {
1fe6dbf4
DJ		 755 u8 unused0[1];
756 u8 volatile Sema1; /* command semaphore */
757 u8 unused1[3];
758 u8 irqen; /* board interrupts enable */
759 u8 unused2[2];
760 u8 event; /* release event */
761 u8 unused3[3];
762 u8 irqdel; /* acknowledge board int. */
763 u8 unused4[3];
764 } __attribute__((packed)) io;
765} __attribute__((packed)) gdt6_dpram_str;
1da177e4
LT		 766
767/* PLX register structure (new PCI controllers) */
768typedef struct {
1fe6dbf4
DJ		 769 u8 cfg_reg; /* DPRAM cfg.(2:below 1MB,0:anywhere)*/
770 u8 unused1[0x3f];
771 u8 volatile sema0_reg; /* command semaphore */
772 u8 volatile sema1_reg; /* status semaphore */
773 u8 unused2[2];
774 u16 volatile status; /* command status */
775 u16 service; /* service */
776 u32 info[2]; /* additional info */
777 u8 unused3[0x10];
778 u8 ldoor_reg; /* PCI to local doorbell */
779 u8 unused4[3];
780 u8 volatile edoor_reg; /* local to PCI doorbell */
781 u8 unused5[3];
782 u8 control0; /* control0 register(unused) */
783 u8 control1; /* board interrupts enable */
784 u8 unused6[0x16];
785} __attribute__((packed)) gdt6c_plx_regs;
1da177e4
LT		 786
787/* DPRAM new PCI controllers */
788typedef struct {
789 union {
790 gdt_dpr_if ic; /* interface area */
1fe6dbf4 791 u8 if_area[0x4000-sizeof(gdt_pci_sram)];
1da177e4
LT		 792 } u;
793 gdt_pci_sram gdt6sr; /* SRAM structure */
1fe6dbf4 794} __attribute__((packed)) gdt6c_dpram_str;
1da177e4
LT		 795
796/* i960 register structure (PCI MPR controllers) */
797typedef struct {
1fe6dbf4
DJ		 798 u8 unused1[16];
799 u8 volatile sema0_reg; /* command semaphore */
800 u8 unused2;
801 u8 volatile sema1_reg; /* status semaphore */
802 u8 unused3;
803 u16 volatile status; /* command status */
804 u16 service; /* service */
805 u32 info[2]; /* additional info */
806 u8 ldoor_reg; /* PCI to local doorbell */
807 u8 unused4[11];
808 u8 volatile edoor_reg; /* local to PCI doorbell */
809 u8 unused5[7];
810 u8 edoor_en_reg; /* board interrupts enable */
811 u8 unused6[27];
812 u32 unused7[939];
813 u32 severity;
1da177e4 814 char evt_str[256]; /* event string */
1fe6dbf4 815} __attribute__((packed)) gdt6m_i960_regs;
1da177e4
LT		 816
817/* DPRAM PCI MPR controllers */
818typedef struct {
819 gdt6m_i960_regs i960r; /* 4KB i960 registers */
820 union {
821 gdt_dpr_if ic; /* interface area */
1fe6dbf4 822 u8 if_area[0x3000-sizeof(gdt_pci_sram)];
1da177e4
LT		 823 } u;
824 gdt_pci_sram gdt6sr; /* SRAM structure */
1fe6dbf4 825} __attribute__((packed)) gdt6m_dpram_str;
1da177e4
LT		 826
827
828/* PCI resources */
829typedef struct {
830 struct pci_dev *pdev;
1fe6dbf4
DJ		 831 unsigned long dpmem; /* DPRAM address */
832 unsigned long io; /* IO address */
1da177e4
LT		 833} gdth_pci_str;
834
835
836/* controller information structure */
837typedef struct {
45f1a41b 838 struct Scsi_Host *shost;
835cc24a 839 struct list_head list;
1fe6dbf4
DJ		 840 u16 hanum;
841 u16 oem_id; /* OEM */
842 u16 type; /* controller class */
843 u32 stype; /* subtype (PCI: device ID) */
844 u16 fw_vers; /* firmware version */
845 u16 cache_feat; /* feat. cache serv. (s/g,..)*/
846 u16 raw_feat; /* feat. raw service (s/g,..)*/
847 u16 screen_feat; /* feat. raw service (s/g,..)*/
848 u16 bmic; /* BMIC address (EISA) */
1da177e4 849 void __iomem *brd; /* DPRAM address */
1fe6dbf4 850 u32 brd_phys; /* slot number/BIOS address */
1da177e4 851 gdt6c_plx_regs *plx; /* PLX regs (new PCI contr.) */
45f1a41b 852 gdth_cmd_str cmdext;
1da177e4 853 gdth_cmd_str *pccb; /* address command structure */
1fe6dbf4 854 u32 ccb_phys; /* phys. address */
1da177e4
LT		 855#ifdef INT_COAL
856 gdth_coal_status *coal_stat; /* buffer for coalescing int.*/
1fe6dbf4 857 u64 coal_stat_phys; /* phys. address */
1da177e4
LT		 858#endif
859 char *pscratch; /* scratch (DMA) buffer */
1fe6dbf4
DJ		 860 u64 scratch_phys; /* phys. address */
861 u8 scratch_busy; /* in use? */
862 u8 dma64_support; /* 64-bit DMA supported? */
1da177e4 863 gdth_msg_str *pmsg; /* message buffer */
1fe6dbf4
DJ		 864 u64 msg_phys; /* phys. address */
865 u8 scan_mode; /* current scan mode */
866 u8 irq; /* IRQ */
867 u8 drq; /* DRQ (ISA controllers) */
868 u16 status; /* command status */
869 u16 service; /* service/firmware ver./.. */
870 u32 info;
871 u32 info2; /* additional info */
1da177e4
LT		 872 Scsi_Cmnd *req_first; /* top of request queue */
873 struct {
1fe6dbf4
DJ		 874 u8 present; /* Flag: host drive present? */
875 u8 is_logdrv; /* Flag: log. drive (master)? */
876 u8 is_arraydrv; /* Flag: array drive? */
877 u8 is_master; /* Flag: array drive master? */
878 u8 is_parity; /* Flag: parity drive? */
879 u8 is_hotfix; /* Flag: hotfix drive? */
880 u8 master_no; /* number of master drive */
881 u8 lock; /* drive locked? (hot plug) */
882 u8 heads; /* mapping */
883 u8 secs;
884 u16 devtype; /* further information */
885 u64 size; /* capacity */
886 u8 ldr_no; /* log. drive no. */
887 u8 rw_attribs; /* r/w attributes */
888 u8 cluster_type; /* cluster properties */
25985edc 889 u8 media_changed; /* Flag:MOUNT/UNMOUNT occurred */
1fe6dbf4 890 u32 start_sec; /* start sector */
1da177e4
LT		 891 } hdr[MAX_LDRIVES]; /* host drives */
892 struct {
1fe6dbf4
DJ		 893 u8 lock; /* channel locked? (hot plug) */
894 u8 pdev_cnt; /* physical device count */
895 u8 local_no; /* local channel number */
896 u8 io_cnt[MAXID]; /* current IO count */
897 u32 address; /* channel address */
898 u32 id_list[MAXID]; /* IDs of the phys. devices */
1da177e4
LT		 899 } raw[MAXBUS]; /* SCSI channels */
900 struct {
901 Scsi_Cmnd *cmnd; /* pending request */
1fe6dbf4 902 u16 service; /* service */
1da177e4 903 } cmd_tab[GDTH_MAXCMDS]; /* table of pend. requests */
3058d5de
BH		 904 struct gdth_cmndinfo { /* per-command private info */
905 int index;
906 int internal_command; /* don't call scsi_done */
ee54cc6a 907 gdth_cmd_str *internal_cmd_str; /* crier for internal messages*/
3058d5de 908 dma_addr_t sense_paddr; /* sense dma-addr */
1fe6dbf4 909 u8 priority;
242f9dcb 910 int timeout_count; /* # of timeout calls */
f842b64e 911 volatile int wait_for_completion;
1fe6dbf4
DJ		 912 u16 status;
913 u32 info;
f842b64e
BH		 914 enum dma_data_direction dma_dir;
915 int phase; /* ???? */
916 int OpCode;
3058d5de 917 } cmndinfo[GDTH_MAXCMDS]; /* index==0 is free */
1fe6dbf4
DJ		 918 u8 bus_cnt; /* SCSI bus count */
919 u8 tid_cnt; /* Target ID count */
920 u8 bus_id[MAXBUS]; /* IOP IDs */
921 u8 virt_bus; /* number of virtual bus */
922 u8 more_proc; /* more /proc info supported */
923 u16 cmd_cnt; /* command count in DPRAM */
924 u16 cmd_len; /* length of actual command */
925 u16 cmd_offs_dpmem; /* actual offset in DPRAM */
926 u16 ic_all_size; /* sizeof DPRAM interf. area */
1da177e4
LT		 927 gdth_cpar_str cpar; /* controller cache par. */
928 gdth_bfeat_str bfeat; /* controller features */
929 gdth_binfo_str binfo; /* controller info */
930 gdth_evt_data dvr; /* event structure */
931 spinlock_t smp_lock;
1da177e4 932 struct pci_dev *pdev;
1da177e4
LT		 933 char oem_name[8];
934#ifdef GDTH_DMA_STATISTICS
1fe6dbf4 935 unsigned long dma32_cnt, dma64_cnt; /* statistics: DMA buffer */
1da177e4 936#endif
f64a181d 937 struct scsi_device *sdev;
1da177e4
LT		 938} gdth_ha_str;
939
3058d5de
BH		 940static inline struct gdth_cmndinfo *gdth_cmnd_priv(struct scsi_cmnd* cmd)
941{
942 return (struct gdth_cmndinfo *)cmd->host_scribble;
943}
944
1da177e4
LT		 945/* INQUIRY data format */
946typedef struct {
1fe6dbf4
DJ		 947 u8 type_qual;
948 u8 modif_rmb;
949 u8 version;
950 u8 resp_aenc;
951 u8 add_length;
952 u8 reserved1;
953 u8 reserved2;
954 u8 misc;
955 u8 vendor[8];
956 u8 product[16];
957 u8 revision[4];
958} __attribute__((packed)) gdth_inq_data;
1da177e4
LT		 959
960/* READ_CAPACITY data format */
961typedef struct {
1fe6dbf4
DJ		 962 u32 last_block_no;
963 u32 block_length;
964} __attribute__((packed)) gdth_rdcap_data;
1da177e4
LT		 965
966/* READ_CAPACITY (16) data format */
967typedef struct {
1fe6dbf4
DJ		 968 u64 last_block_no;
969 u32 block_length;
970} __attribute__((packed)) gdth_rdcap16_data;
1da177e4
LT		 971
972/* REQUEST_SENSE data format */
973typedef struct {
1fe6dbf4
DJ		 974 u8 errorcode;
975 u8 segno;
976 u8 key;
977 u32 info;
978 u8 add_length;
979 u32 cmd_info;
980 u8 adsc;
981 u8 adsq;
982 u8 fruc;
983 u8 key_spec[3];
984} __attribute__((packed)) gdth_sense_data;
1da177e4
LT		 985
986/* MODE_SENSE data format */
987typedef struct {
988 struct {
1fe6dbf4
DJ		 989 u8 data_length;
990 u8 med_type;
991 u8 dev_par;
992 u8 bd_length;
993 } __attribute__((packed)) hd;
1da177e4 994 struct {
1fe6dbf4
DJ		 995 u8 dens_code;
996 u8 block_count[3];
997 u8 reserved;
998 u8 block_length[3];
999 } __attribute__((packed)) bd;
1000} __attribute__((packed)) gdth_modep_data;
1da177e4
LT		 1001
1002/* stack frame */
1003typedef struct {
1fe6dbf4
DJ		 1004 unsigned long b[10]; /* 32/64 bit compiler ! */
1005} __attribute__((packed)) gdth_stackframe;
1da177e4
LT		 1006
1007
1008/* function prototyping */
1009
3e0552ee
AV		 1010int gdth_show_info(struct seq_file *, struct Scsi_Host *);
1011int gdth_set_info(struct Scsi_Host *, char *, int);
1da177e4 1012
1da177e4 1013#endif
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