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Merge git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable
[linux-2.6/mini2440.git] / drivers / scsi / gdth.h
blob1646444e9bd58894ef8af3cadcfe3b2bd7287be0
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) 1995-06 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 1.58 2006/01/11 16:14:09 achim Exp $
14 */
15
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 */
28 #define GDTH_VERSION_STR "3.05"
29 #define GDTH_VERSION 3
30 #define GDTH_SUBVERSION 5
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
52 /* vendor ID, device IDs (PCI) */
53 /* these defines should already exist in <linux/pci.h> */
54 #ifndef PCI_VENDOR_ID_VORTEX
55 #define PCI_VENDOR_ID_VORTEX 0x1119 /* PCI controller vendor ID */
56 #endif
57 #ifndef PCI_VENDOR_ID_INTEL
58 #define PCI_VENDOR_ID_INTEL 0x8086
59 #endif
60
61 #ifndef PCI_DEVICE_ID_VORTEX_GDT60x0
62 /* GDT_PCI */
63 #define PCI_DEVICE_ID_VORTEX_GDT60x0 0 /* GDT6000/6020/6050 */
64 #define PCI_DEVICE_ID_VORTEX_GDT6000B 1 /* GDT6000B/6010 */
65 /* GDT_PCINEW */
66 #define PCI_DEVICE_ID_VORTEX_GDT6x10 2 /* GDT6110/6510 */
67 #define PCI_DEVICE_ID_VORTEX_GDT6x20 3 /* GDT6120/6520 */
68 #define PCI_DEVICE_ID_VORTEX_GDT6530 4 /* GDT6530 */
69 #define PCI_DEVICE_ID_VORTEX_GDT6550 5 /* GDT6550 */
70 /* GDT_PCINEW, wide/ultra SCSI controllers */
71 #define PCI_DEVICE_ID_VORTEX_GDT6x17 6 /* GDT6117/6517 */
72 #define PCI_DEVICE_ID_VORTEX_GDT6x27 7 /* GDT6127/6527 */
73 #define PCI_DEVICE_ID_VORTEX_GDT6537 8 /* GDT6537 */
74 #define PCI_DEVICE_ID_VORTEX_GDT6557 9 /* GDT6557/6557-ECC */
75 /* GDT_PCINEW, wide SCSI controllers */
76 #define PCI_DEVICE_ID_VORTEX_GDT6x15 10 /* GDT6115/6515 */
77 #define PCI_DEVICE_ID_VORTEX_GDT6x25 11 /* GDT6125/6525 */
78 #define PCI_DEVICE_ID_VORTEX_GDT6535 12 /* GDT6535 */
79 #define PCI_DEVICE_ID_VORTEX_GDT6555 13 /* GDT6555/6555-ECC */
80 #endif
81
82 #ifndef PCI_DEVICE_ID_VORTEX_GDT6x17RP
83 /* GDT_MPR, RP series, wide/ultra SCSI */
84 #define PCI_DEVICE_ID_VORTEX_GDT6x17RP 0x100 /* GDT6117RP/GDT6517RP */
85 #define PCI_DEVICE_ID_VORTEX_GDT6x27RP 0x101 /* GDT6127RP/GDT6527RP */
86 #define PCI_DEVICE_ID_VORTEX_GDT6537RP 0x102 /* GDT6537RP */
87 #define PCI_DEVICE_ID_VORTEX_GDT6557RP 0x103 /* GDT6557RP */
88 /* GDT_MPR, RP series, narrow/ultra SCSI */
89 #define PCI_DEVICE_ID_VORTEX_GDT6x11RP 0x104 /* GDT6111RP/GDT6511RP */
90 #define PCI_DEVICE_ID_VORTEX_GDT6x21RP 0x105 /* GDT6121RP/GDT6521RP */
91 #endif
92 #ifndef PCI_DEVICE_ID_VORTEX_GDT6x17RD
93 /* GDT_MPR, RD series, wide/ultra SCSI */
94 #define PCI_DEVICE_ID_VORTEX_GDT6x17RD 0x110 /* GDT6117RD/GDT6517RD */
95 #define PCI_DEVICE_ID_VORTEX_GDT6x27RD 0x111 /* GDT6127RD/GDT6527RD */
96 #define PCI_DEVICE_ID_VORTEX_GDT6537RD 0x112 /* GDT6537RD */
97 #define PCI_DEVICE_ID_VORTEX_GDT6557RD 0x113 /* GDT6557RD */
98 /* GDT_MPR, RD series, narrow/ultra SCSI */
99 #define PCI_DEVICE_ID_VORTEX_GDT6x11RD 0x114 /* GDT6111RD/GDT6511RD */
100 #define PCI_DEVICE_ID_VORTEX_GDT6x21RD 0x115 /* GDT6121RD/GDT6521RD */
101 /* GDT_MPR, RD series, wide/ultra2 SCSI */
102 #define PCI_DEVICE_ID_VORTEX_GDT6x18RD 0x118 /* GDT6118RD/GDT6518RD/
103 GDT6618RD */
104 #define PCI_DEVICE_ID_VORTEX_GDT6x28RD 0x119 /* GDT6128RD/GDT6528RD/
105 GDT6628RD */
106 #define PCI_DEVICE_ID_VORTEX_GDT6x38RD 0x11A /* GDT6538RD/GDT6638RD */
107 #define PCI_DEVICE_ID_VORTEX_GDT6x58RD 0x11B /* GDT6558RD/GDT6658RD */
108 /* GDT_MPR, RN series (64-bit PCI), wide/ultra2 SCSI */
109 #define PCI_DEVICE_ID_VORTEX_GDT7x18RN 0x168 /* GDT7118RN/GDT7518RN/
110 GDT7618RN */
111 #define PCI_DEVICE_ID_VORTEX_GDT7x28RN 0x169 /* GDT7128RN/GDT7528RN/
112 GDT7628RN */
113 #define PCI_DEVICE_ID_VORTEX_GDT7x38RN 0x16A /* GDT7538RN/GDT7638RN */
114 #define PCI_DEVICE_ID_VORTEX_GDT7x58RN 0x16B /* GDT7558RN/GDT7658RN */
115 #endif
116
117 #ifndef PCI_DEVICE_ID_VORTEX_GDT6x19RD
118 /* GDT_MPR, RD series, Fibre Channel */
119 #define PCI_DEVICE_ID_VORTEX_GDT6x19RD 0x210 /* GDT6519RD/GDT6619RD */
120 #define PCI_DEVICE_ID_VORTEX_GDT6x29RD 0x211 /* GDT6529RD/GDT6629RD */
121 /* GDT_MPR, RN series (64-bit PCI), Fibre Channel */
122 #define PCI_DEVICE_ID_VORTEX_GDT7x19RN 0x260 /* GDT7519RN/GDT7619RN */
123 #define PCI_DEVICE_ID_VORTEX_GDT7x29RN 0x261 /* GDT7529RN/GDT7629RN */
124 #endif
125
126 #ifndef PCI_DEVICE_ID_VORTEX_GDTMAXRP
127 /* GDT_MPR, last device ID */
128 #define PCI_DEVICE_ID_VORTEX_GDTMAXRP 0x2ff
129 #endif
130
131 #ifndef PCI_DEVICE_ID_VORTEX_GDTNEWRX
132 /* new GDT Rx Controller */
133 #define PCI_DEVICE_ID_VORTEX_GDTNEWRX 0x300
134 #endif
135
136 #ifndef PCI_DEVICE_ID_VORTEX_GDTNEWRX2
137 /* new(2) GDT Rx Controller */
138 #define PCI_DEVICE_ID_VORTEX_GDTNEWRX2 0x301
139 #endif
140
141 #ifndef PCI_DEVICE_ID_INTEL_SRC
142 /* Intel Storage RAID Controller */
143 #define PCI_DEVICE_ID_INTEL_SRC 0x600
144 #endif
145
146 #ifndef PCI_DEVICE_ID_INTEL_SRC_XSCALE
147 /* Intel Storage RAID Controller */
148 #define PCI_DEVICE_ID_INTEL_SRC_XSCALE 0x601
149 #endif
150
151 /* limits */
152 #define GDTH_SCRATCH PAGE_SIZE /* 4KB scratch buffer */
153 #define GDTH_MAXCMDS 120
154 #define GDTH_MAXC_P_L 16 /* max. cmds per lun */
155 #define GDTH_MAX_RAW 2 /* max. cmds per raw device */
156 #define MAXOFFSETS 128
157 #define MAXHA 16
158 #define MAXID 127
159 #define MAXLUN 8
160 #define MAXBUS 6
161 #define MAX_EVENTS 100 /* event buffer count */
162 #define MAX_RES_ARGS 40 /* device reservation,
163 must be a multiple of 4 */
164 #define MAXCYLS 1024
165 #define HEADS 64
166 #define SECS 32 /* mapping 64*32 */
167 #define MEDHEADS 127
168 #define MEDSECS 63 /* mapping 127*63 */
169 #define BIGHEADS 255
170 #define BIGSECS 63 /* mapping 255*63 */
171
172 /* special command ptr. */
173 #define UNUSED_CMND ((Scsi_Cmnd *)-1)
174 #define INTERNAL_CMND ((Scsi_Cmnd *)-2)
175 #define SCREEN_CMND ((Scsi_Cmnd *)-3)
176 #define SPECIAL_SCP(p) (p==UNUSED_CMND || p==INTERNAL_CMND || p==SCREEN_CMND)
177
178 /* controller services */
179 #define SCSIRAWSERVICE 3
180 #define CACHESERVICE 9
181 #define SCREENSERVICE 11
182
183 /* screenservice defines */
184 #define MSG_INV_HANDLE -1 /* special message handle */
185 #define MSGLEN 16 /* size of message text */
186 #define MSG_SIZE 34 /* size of message structure */
187 #define MSG_REQUEST 0 /* async. event: message */
188
189 /* cacheservice defines */
190 #define SECTOR_SIZE 0x200 /* always 512 bytes per sec. */
191
192 /* DPMEM constants */
193 #define DPMEM_MAGIC 0xC0FFEE11
194 #define IC_HEADER_BYTES 48
195 #define IC_QUEUE_BYTES 4
196 #define DPMEM_COMMAND_OFFSET IC_HEADER_BYTES+IC_QUEUE_BYTES*MAXOFFSETS
197
198 /* cluster_type constants */
199 #define CLUSTER_DRIVE 1
200 #define CLUSTER_MOUNTED 2
201 #define CLUSTER_RESERVED 4
202 #define CLUSTER_RESERVE_STATE (CLUSTER_DRIVE|CLUSTER_MOUNTED|CLUSTER_RESERVED)
203
204 /* commands for all services, cache service */
205 #define GDT_INIT 0 /* service initialization */
206 #define GDT_READ 1 /* read command */
207 #define GDT_WRITE 2 /* write command */
208 #define GDT_INFO 3 /* information about devices */
209 #define GDT_FLUSH 4 /* flush dirty cache buffers */
210 #define GDT_IOCTL 5 /* ioctl command */
211 #define GDT_DEVTYPE 9 /* additional information */
212 #define GDT_MOUNT 10 /* mount cache device */
213 #define GDT_UNMOUNT 11 /* unmount cache device */
214 #define GDT_SET_FEAT 12 /* set feat. (scatter/gather) */
215 #define GDT_GET_FEAT 13 /* get features */
216 #define GDT_WRITE_THR 16 /* write through */
217 #define GDT_READ_THR 17 /* read through */
218 #define GDT_EXT_INFO 18 /* extended info */
219 #define GDT_RESET 19 /* controller reset */
220 #define GDT_RESERVE_DRV 20 /* reserve host drive */
221 #define GDT_RELEASE_DRV 21 /* release host drive */
222 #define GDT_CLUST_INFO 22 /* cluster info */
223 #define GDT_RW_ATTRIBS 23 /* R/W attribs (write thru,..)*/
224 #define GDT_CLUST_RESET 24 /* releases the cluster drives*/
225 #define GDT_FREEZE_IO 25 /* freezes all IOs */
226 #define GDT_UNFREEZE_IO 26 /* unfreezes all IOs */
227 #define GDT_X_INIT_HOST 29 /* ext. init: 64 bit support */
228 #define GDT_X_INFO 30 /* ext. info for drives>2TB */
229
230 /* raw service commands */
231 #define GDT_RESERVE 14 /* reserve dev. to raw serv. */
232 #define GDT_RELEASE 15 /* release device */
233 #define GDT_RESERVE_ALL 16 /* reserve all devices */
234 #define GDT_RELEASE_ALL 17 /* release all devices */
235 #define GDT_RESET_BUS 18 /* reset bus */
236 #define GDT_SCAN_START 19 /* start device scan */
237 #define GDT_SCAN_END 20 /* stop device scan */
238 #define GDT_X_INIT_RAW 21 /* ext. init: 64 bit support */
239
240 /* screen service commands */
241 #define GDT_REALTIME 3 /* realtime clock to screens. */
242 #define GDT_X_INIT_SCR 4 /* ext. init: 64 bit support */
243
244 /* IOCTL command defines */
245 #define SCSI_DR_INFO 0x00 /* SCSI drive info */
246 #define SCSI_CHAN_CNT 0x05 /* SCSI channel count */
247 #define SCSI_DR_LIST 0x06 /* SCSI drive list */
248 #define SCSI_DEF_CNT 0x15 /* grown/primary defects */
249 #define DSK_STATISTICS 0x4b /* SCSI disk statistics */
250 #define IOCHAN_DESC 0x5d /* description of IO channel */
251 #define IOCHAN_RAW_DESC 0x5e /* description of raw IO chn. */
252 #define L_CTRL_PATTERN 0x20000000L /* SCSI IOCTL mask */
253 #define ARRAY_INFO 0x12 /* array drive info */
254 #define ARRAY_DRV_LIST 0x0f /* array drive list */
255 #define ARRAY_DRV_LIST2 0x34 /* array drive list (new) */
256 #define LA_CTRL_PATTERN 0x10000000L /* array IOCTL mask */
257 #define CACHE_DRV_CNT 0x01 /* cache drive count */
258 #define CACHE_DRV_LIST 0x02 /* cache drive list */
259 #define CACHE_INFO 0x04 /* cache info */
260 #define CACHE_CONFIG 0x05 /* cache configuration */
261 #define CACHE_DRV_INFO 0x07 /* cache drive info */
262 #define BOARD_FEATURES 0x15 /* controller features */
263 #define BOARD_INFO 0x28 /* controller info */
264 #define SET_PERF_MODES 0x82 /* set mode (coalescing,..) */
265 #define GET_PERF_MODES 0x83 /* get mode */
266 #define CACHE_READ_OEM_STRING_RECORD 0x84 /* read OEM string record */
267 #define HOST_GET 0x10001L /* get host drive list */
268 #define IO_CHANNEL 0x00020000L /* default IO channel */
269 #define INVALID_CHANNEL 0x0000ffffL /* invalid channel */
270
271 /* service errors */
272 #define S_OK 1 /* no error */
273 #define S_GENERR 6 /* general error */
274 #define S_BSY 7 /* controller busy */
275 #define S_CACHE_UNKNOWN 12 /* cache serv.: drive unknown */
276 #define S_RAW_SCSI 12 /* raw serv.: target error */
277 #define S_RAW_ILL 0xff /* raw serv.: illegal */
278 #define S_NOFUNC -2 /* unknown function */
279 #define S_CACHE_RESERV -24 /* cache: reserv. conflict */
280
281 /* timeout values */
282 #define INIT_RETRIES 100000 /* 100000 * 1ms = 100s */
283 #define INIT_TIMEOUT 100000 /* 100000 * 1ms = 100s */
284 #define POLL_TIMEOUT 10000 /* 10000 * 1ms = 10s */
285
286 /* priorities */
287 #define DEFAULT_PRI 0x20
288 #define IOCTL_PRI 0x10
289 #define HIGH_PRI 0x08
290
291 /* data directions */
292 #define GDTH_DATA_IN 0x01000000L /* data from target */
293 #define GDTH_DATA_OUT 0x00000000L /* data to target */
294
295 /* BMIC registers (EISA controllers) */
296 #define ID0REG 0x0c80 /* board ID */
297 #define EINTENABREG 0x0c89 /* interrupt enable */
298 #define SEMA0REG 0x0c8a /* command semaphore */
299 #define SEMA1REG 0x0c8b /* status semaphore */
300 #define LDOORREG 0x0c8d /* local doorbell */
301 #define EDENABREG 0x0c8e /* EISA system doorbell enab. */
302 #define EDOORREG 0x0c8f /* EISA system doorbell */
303 #define MAILBOXREG 0x0c90 /* mailbox reg. (16 bytes) */
304 #define EISAREG 0x0cc0 /* EISA configuration */
305
306 /* other defines */
307 #define LINUX_OS 8 /* used for cache optim. */
308 #define SECS32 0x1f /* round capacity */
309 #define BIOS_ID_OFFS 0x10 /* offset contr-ID in ISABIOS */
310 #define LOCALBOARD 0 /* board node always 0 */
311 #define ASYNCINDEX 0 /* cmd index async. event */
312 #define SPEZINDEX 1 /* cmd index unknown service */
313 #define COALINDEX (GDTH_MAXCMDS + 2)
314
315 /* features */
316 #define SCATTER_GATHER 1 /* s/g feature */
317 #define GDT_WR_THROUGH 0x100 /* WRITE_THROUGH supported */
318 #define GDT_64BIT 0x200 /* 64bit / drv>2TB support */
319
320 #include "gdth_ioctl.h"
321
322 /* screenservice message */
323 typedef struct {
324 ulong32 msg_handle; /* message handle */
325 ulong32 msg_len; /* size of message */
326 ulong32 msg_alen; /* answer length */
327 unchar msg_answer; /* answer flag */
328 unchar msg_ext; /* more messages */
329 unchar msg_reserved[2];
330 char msg_text[MSGLEN+2]; /* the message text */
331 } PACKED gdth_msg_str;
332
333
334 /* IOCTL data structures */
335
336 /* Status coalescing buffer for returning multiple requests per interrupt */
337 typedef struct {
338 ulong32 status;
339 ulong32 ext_status;
340 ulong32 info0;
341 ulong32 info1;
342 } PACKED gdth_coal_status;
343
344 /* performance mode data structure */
345 typedef struct {
346 ulong32 version; /* The version of this IOCTL structure. */
347 ulong32 st_mode; /* 0=dis., 1=st_buf_addr1 valid, 2=both */
348 ulong32 st_buff_addr1; /* physical address of status buffer 1 */
349 ulong32 st_buff_u_addr1; /* reserved for 64 bit addressing */
350 ulong32 st_buff_indx1; /* reserved command idx. for this buffer */
351 ulong32 st_buff_addr2; /* physical address of status buffer 1 */
352 ulong32 st_buff_u_addr2; /* reserved for 64 bit addressing */
353 ulong32 st_buff_indx2; /* reserved command idx. for this buffer */
354 ulong32 st_buff_size; /* size of each buffer in bytes */
355 ulong32 cmd_mode; /* 0 = mode disabled, 1 = cmd_buff_addr1 */
356 ulong32 cmd_buff_addr1; /* physical address of cmd buffer 1 */
357 ulong32 cmd_buff_u_addr1; /* reserved for 64 bit addressing */
358 ulong32 cmd_buff_indx1; /* cmd buf addr1 unique identifier */
359 ulong32 cmd_buff_addr2; /* physical address of cmd buffer 1 */
360 ulong32 cmd_buff_u_addr2; /* reserved for 64 bit addressing */
361 ulong32 cmd_buff_indx2; /* cmd buf addr1 unique identifier */
362 ulong32 cmd_buff_size; /* size of each cmd bufer in bytes */
363 ulong32 reserved1;
364 ulong32 reserved2;
365 } PACKED gdth_perf_modes;
366
367 /* SCSI drive info */
368 typedef struct {
369 unchar vendor[8]; /* vendor string */
370 unchar product[16]; /* product string */
371 unchar revision[4]; /* revision */
372 ulong32 sy_rate; /* current rate for sync. tr. */
373 ulong32 sy_max_rate; /* max. rate for sync. tr. */
374 ulong32 no_ldrive; /* belongs to this log. drv.*/
375 ulong32 blkcnt; /* number of blocks */
376 ushort blksize; /* size of block in bytes */
377 unchar available; /* flag: access is available */
378 unchar init; /* medium is initialized */
379 unchar devtype; /* SCSI devicetype */
380 unchar rm_medium; /* medium is removable */
381 unchar wp_medium; /* medium is write protected */
382 unchar ansi; /* SCSI I/II or III? */
383 unchar protocol; /* same as ansi */
384 unchar sync; /* flag: sync. transfer enab. */
385 unchar disc; /* flag: disconnect enabled */
386 unchar queueing; /* flag: command queing enab. */
387 unchar cached; /* flag: caching enabled */
388 unchar target_id; /* target ID of device */
389 unchar lun; /* LUN id of device */
390 unchar orphan; /* flag: drive fragment */
391 ulong32 last_error; /* sense key or drive state */
392 ulong32 last_result; /* result of last command */
393 ulong32 check_errors; /* err. in last surface check */
394 unchar percent; /* progress for surface check */
395 unchar last_check; /* IOCTRL operation */
396 unchar res[2];
397 ulong32 flags; /* from 1.19/2.19: raw reserv.*/
398 unchar multi_bus; /* multi bus dev? (fibre ch.) */
399 unchar mb_status; /* status: available? */
400 unchar res2[2];
401 unchar mb_alt_status; /* status on second bus */
402 unchar mb_alt_bid; /* number of second bus */
403 unchar mb_alt_tid; /* target id on second bus */
404 unchar res3;
405 unchar fc_flag; /* from 1.22/2.22: info valid?*/
406 unchar res4;
407 ushort fc_frame_size; /* frame size (bytes) */
408 char wwn[8]; /* world wide name */
409 } PACKED gdth_diskinfo_str;
410
411 /* get SCSI channel count */
412 typedef struct {
413 ulong32 channel_no; /* number of channel */
414 ulong32 drive_cnt; /* drive count */
415 unchar siop_id; /* SCSI processor ID */
416 unchar siop_state; /* SCSI processor state */
417 } PACKED gdth_getch_str;
418
419 /* get SCSI drive numbers */
420 typedef struct {
421 ulong32 sc_no; /* SCSI channel */
422 ulong32 sc_cnt; /* sc_list[] elements */
423 ulong32 sc_list[MAXID]; /* minor device numbers */
424 } PACKED gdth_drlist_str;
425
426 /* get grown/primary defect count */
427 typedef struct {
428 unchar sddc_type; /* 0x08: grown, 0x10: prim. */
429 unchar sddc_format; /* list entry format */
430 unchar sddc_len; /* list entry length */
431 unchar sddc_res;
432 ulong32 sddc_cnt; /* entry count */
433 } PACKED gdth_defcnt_str;
434
435 /* disk statistics */
436 typedef struct {
437 ulong32 bid; /* SCSI channel */
438 ulong32 first; /* first SCSI disk */
439 ulong32 entries; /* number of elements */
440 ulong32 count; /* (R) number of init. el. */
441 ulong32 mon_time; /* time stamp */
442 struct {
443 unchar tid; /* target ID */
444 unchar lun; /* LUN */
445 unchar res[2];
446 ulong32 blk_size; /* block size in bytes */
447 ulong32 rd_count; /* bytes read */
448 ulong32 wr_count; /* bytes written */
449 ulong32 rd_blk_count; /* blocks read */
450 ulong32 wr_blk_count; /* blocks written */
451 ulong32 retries; /* retries */
452 ulong32 reassigns; /* reassigns */
453 } PACKED list[1];
454 } PACKED gdth_dskstat_str;
455
456 /* IO channel header */
457 typedef struct {
458 ulong32 version; /* version (-1UL: newest) */
459 unchar list_entries; /* list entry count */
460 unchar first_chan; /* first channel number */
461 unchar last_chan; /* last channel number */
462 unchar chan_count; /* (R) channel count */
463 ulong32 list_offset; /* offset of list[0] */
464 } PACKED gdth_iochan_header;
465
466 /* get IO channel description */
467 typedef struct {
468 gdth_iochan_header hdr;
469 struct {
470 ulong32 address; /* channel address */
471 unchar type; /* type (SCSI, FCAL) */
472 unchar local_no; /* local number */
473 ushort features; /* channel features */
474 } PACKED list[MAXBUS];
475 } PACKED gdth_iochan_str;
476
477 /* get raw IO channel description */
478 typedef struct {
479 gdth_iochan_header hdr;
480 struct {
481 unchar proc_id; /* processor id */
482 unchar proc_defect; /* defect ? */
483 unchar reserved[2];
484 } PACKED list[MAXBUS];
485 } PACKED gdth_raw_iochan_str;
486
487 /* array drive component */
488 typedef struct {
489 ulong32 al_controller; /* controller ID */
490 unchar al_cache_drive; /* cache drive number */
491 unchar al_status; /* cache drive state */
492 unchar al_res[2];
493 } PACKED gdth_arraycomp_str;
494
495 /* array drive information */
496 typedef struct {
497 unchar ai_type; /* array type (RAID0,4,5) */
498 unchar ai_cache_drive_cnt; /* active cachedrives */
499 unchar ai_state; /* array drive state */
500 unchar ai_master_cd; /* master cachedrive */
501 ulong32 ai_master_controller; /* ID of master controller */
502 ulong32 ai_size; /* user capacity [sectors] */
503 ulong32 ai_striping_size; /* striping size [sectors] */
504 ulong32 ai_secsize; /* sector size [bytes] */
505 ulong32 ai_err_info; /* failed cache drive */
506 unchar ai_name[8]; /* name of the array drive */
507 unchar ai_controller_cnt; /* number of controllers */
508 unchar ai_removable; /* flag: removable */
509 unchar ai_write_protected; /* flag: write protected */
510 unchar ai_devtype; /* type: always direct access */
511 gdth_arraycomp_str ai_drives[35]; /* drive components: */
512 unchar ai_drive_entries; /* number of drive components */
513 unchar ai_protected; /* protection flag */
514 unchar ai_verify_state; /* state of a parity verify */
515 unchar ai_ext_state; /* extended array drive state */
516 unchar ai_expand_state; /* array expand state (>=2.18)*/
517 unchar ai_reserved[3];
518 } PACKED gdth_arrayinf_str;
519
520 /* get array drive list */
521 typedef struct {
522 ulong32 controller_no; /* controller no. */
523 unchar cd_handle; /* master cachedrive */
524 unchar is_arrayd; /* Flag: is array drive? */
525 unchar is_master; /* Flag: is array master? */
526 unchar is_parity; /* Flag: is parity drive? */
527 unchar is_hotfix; /* Flag: is hotfix drive? */
528 unchar res[3];
529 } PACKED gdth_alist_str;
530
531 typedef struct {
532 ulong32 entries_avail; /* allocated entries */
533 ulong32 entries_init; /* returned entries */
534 ulong32 first_entry; /* first entry number */
535 ulong32 list_offset; /* offset of following list */
536 gdth_alist_str list[1]; /* list */
537 } PACKED gdth_arcdl_str;
538
539 /* cache info/config IOCTL */
540 typedef struct {
541 ulong32 version; /* firmware version */
542 ushort state; /* cache state (on/off) */
543 ushort strategy; /* cache strategy */
544 ushort write_back; /* write back state (on/off) */
545 ushort block_size; /* cache block size */
546 } PACKED gdth_cpar_str;
547
548 typedef struct {
549 ulong32 csize; /* cache size */
550 ulong32 read_cnt; /* read/write counter */
551 ulong32 write_cnt;
552 ulong32 tr_hits; /* hits */
553 ulong32 sec_hits;
554 ulong32 sec_miss; /* misses */
555 } PACKED gdth_cstat_str;
556
557 typedef struct {
558 gdth_cpar_str cpar;
559 gdth_cstat_str cstat;
560 } PACKED gdth_cinfo_str;
561
562 /* cache drive info */
563 typedef struct {
564 unchar cd_name[8]; /* cache drive name */
565 ulong32 cd_devtype; /* SCSI devicetype */
566 ulong32 cd_ldcnt; /* number of log. drives */
567 ulong32 cd_last_error; /* last error */
568 unchar cd_initialized; /* drive is initialized */
569 unchar cd_removable; /* media is removable */
570 unchar cd_write_protected; /* write protected */
571 unchar cd_flags; /* Pool Hot Fix? */
572 ulong32 ld_blkcnt; /* number of blocks */
573 ulong32 ld_blksize; /* blocksize */
574 ulong32 ld_dcnt; /* number of disks */
575 ulong32 ld_slave; /* log. drive index */
576 ulong32 ld_dtype; /* type of logical drive */
577 ulong32 ld_last_error; /* last error */
578 unchar ld_name[8]; /* log. drive name */
579 unchar ld_error; /* error */
580 } PACKED gdth_cdrinfo_str;
581
582 /* OEM string */
583 typedef struct {
584 ulong32 ctl_version;
585 ulong32 file_major_version;
586 ulong32 file_minor_version;
587 ulong32 buffer_size;
588 ulong32 cpy_count;
589 ulong32 ext_error;
590 ulong32 oem_id;
591 ulong32 board_id;
592 } PACKED gdth_oem_str_params;
593
594 typedef struct {
595 unchar product_0_1_name[16];
596 unchar product_4_5_name[16];
597 unchar product_cluster_name[16];
598 unchar product_reserved[16];
599 unchar scsi_cluster_target_vendor_id[16];
600 unchar cluster_raid_fw_name[16];
601 unchar oem_brand_name[16];
602 unchar oem_raid_type[16];
603 unchar bios_type[13];
604 unchar bios_title[50];
605 unchar oem_company_name[37];
606 ulong32 pci_id_1;
607 ulong32 pci_id_2;
608 unchar validation_status[80];
609 unchar reserved_1[4];
610 unchar scsi_host_drive_inquiry_vendor_id[16];
611 unchar library_file_template[16];
612 unchar reserved_2[16];
613 unchar tool_name_1[32];
614 unchar tool_name_2[32];
615 unchar tool_name_3[32];
616 unchar oem_contact_1[84];
617 unchar oem_contact_2[84];
618 unchar oem_contact_3[84];
619 } PACKED gdth_oem_str;
620
621 typedef struct {
622 gdth_oem_str_params params;
623 gdth_oem_str text;
624 } PACKED gdth_oem_str_ioctl;
625
626 /* board features */
627 typedef struct {
628 unchar chaining; /* Chaining supported */
629 unchar striping; /* Striping (RAID-0) supp. */
630 unchar mirroring; /* Mirroring (RAID-1) supp. */
631 unchar raid; /* RAID-4/5/10 supported */
632 } PACKED gdth_bfeat_str;
633
634 /* board info IOCTL */
635 typedef struct {
636 ulong32 ser_no; /* serial no. */
637 unchar oem_id[2]; /* OEM ID */
638 ushort ep_flags; /* eprom flags */
639 ulong32 proc_id; /* processor ID */
640 ulong32 memsize; /* memory size (bytes) */
641 unchar mem_banks; /* memory banks */
642 unchar chan_type; /* channel type */
643 unchar chan_count; /* channel count */
644 unchar rdongle_pres; /* dongle present? */
645 ulong32 epr_fw_ver; /* (eprom) firmware version */
646 ulong32 upd_fw_ver; /* (update) firmware version */
647 ulong32 upd_revision; /* update revision */
648 char type_string[16]; /* controller name */
649 char raid_string[16]; /* RAID firmware name */
650 unchar update_pres; /* update present? */
651 unchar xor_pres; /* XOR engine present? */
652 unchar prom_type; /* ROM type (eprom/flash) */
653 unchar prom_count; /* number of ROM devices */
654 ulong32 dup_pres; /* duplexing module present? */
655 ulong32 chan_pres; /* number of expansion chn. */
656 ulong32 mem_pres; /* memory expansion inst. ? */
657 unchar ft_bus_system; /* fault bus supported? */
658 unchar subtype_valid; /* board_subtype valid? */
659 unchar board_subtype; /* subtype/hardware level */
660 unchar ramparity_pres; /* RAM parity check hardware? */
661 } PACKED gdth_binfo_str;
662
663 /* get host drive info */
664 typedef struct {
665 char name[8]; /* host drive name */
666 ulong32 size; /* size (sectors) */
667 unchar host_drive; /* host drive number */
668 unchar log_drive; /* log. drive (master) */
669 unchar reserved;
670 unchar rw_attribs; /* r/w attribs */
671 ulong32 start_sec; /* start sector */
672 } PACKED gdth_hentry_str;
673
674 typedef struct {
675 ulong32 entries; /* entry count */
676 ulong32 offset; /* offset of entries */
677 unchar secs_p_head; /* sectors/head */
678 unchar heads_p_cyl; /* heads/cylinder */
679 unchar reserved;
680 unchar clust_drvtype; /* cluster drive type */
681 ulong32 location; /* controller number */
682 gdth_hentry_str entry[MAX_HDRIVES]; /* entries */
683 } PACKED gdth_hget_str;
684
685
686 /* DPRAM structures */
687
688 /* interface area ISA/PCI */
689 typedef struct {
690 unchar S_Cmd_Indx; /* special command */
691 unchar volatile S_Status; /* status special command */
692 ushort reserved1;
693 ulong32 S_Info[4]; /* add. info special command */
694 unchar volatile Sema0; /* command semaphore */
695 unchar reserved2[3];
696 unchar Cmd_Index; /* command number */
697 unchar reserved3[3];
698 ushort volatile Status; /* command status */
699 ushort Service; /* service(for async.events) */
700 ulong32 Info[2]; /* additional info */
701 struct {
702 ushort offset; /* command offs. in the DPRAM*/
703 ushort serv_id; /* service */
704 } PACKED comm_queue[MAXOFFSETS]; /* command queue */
705 ulong32 bios_reserved[2];
706 unchar gdt_dpr_cmd[1]; /* commands */
707 } PACKED gdt_dpr_if;
708
709 /* SRAM structure PCI controllers */
710 typedef struct {
711 ulong32 magic; /* controller ID from BIOS */
712 ushort need_deinit; /* switch betw. BIOS/driver */
713 unchar switch_support; /* see need_deinit */
714 unchar padding[9];
715 unchar os_used[16]; /* OS code per service */
716 unchar unused[28];
717 unchar fw_magic; /* contr. ID from firmware */
718 } PACKED gdt_pci_sram;
719
720 /* SRAM structure EISA controllers (but NOT GDT3000/3020) */
721 typedef struct {
722 unchar os_used[16]; /* OS code per service */
723 ushort need_deinit; /* switch betw. BIOS/driver */
724 unchar switch_support; /* see need_deinit */
725 unchar padding;
726 } PACKED gdt_eisa_sram;
727
728
729 /* DPRAM ISA controllers */
730 typedef struct {
731 union {
732 struct {
733 unchar bios_used[0x3c00-32]; /* 15KB - 32Bytes BIOS */
734 ulong32 magic; /* controller (EISA) ID */
735 ushort need_deinit; /* switch betw. BIOS/driver */
736 unchar switch_support; /* see need_deinit */
737 unchar padding[9];
738 unchar os_used[16]; /* OS code per service */
739 } PACKED dp_sram;
740 unchar bios_area[0x4000]; /* 16KB reserved for BIOS */
741 } bu;
742 union {
743 gdt_dpr_if ic; /* interface area */
744 unchar if_area[0x3000]; /* 12KB for interface */
745 } u;
746 struct {
747 unchar memlock; /* write protection DPRAM */
748 unchar event; /* release event */
749 unchar irqen; /* board interrupts enable */
750 unchar irqdel; /* acknowledge board int. */
751 unchar volatile Sema1; /* status semaphore */
752 unchar rq; /* IRQ/DRQ configuration */
753 } PACKED io;
754 } PACKED gdt2_dpram_str;
755
756 /* DPRAM PCI controllers */
757 typedef struct {
758 union {
759 gdt_dpr_if ic; /* interface area */
760 unchar if_area[0xff0-sizeof(gdt_pci_sram)];
761 } u;
762 gdt_pci_sram gdt6sr; /* SRAM structure */
763 struct {
764 unchar unused0[1];
765 unchar volatile Sema1; /* command semaphore */
766 unchar unused1[3];
767 unchar irqen; /* board interrupts enable */
768 unchar unused2[2];
769 unchar event; /* release event */
770 unchar unused3[3];
771 unchar irqdel; /* acknowledge board int. */
772 unchar unused4[3];
773 } PACKED io;
774 } PACKED gdt6_dpram_str;
775
776 /* PLX register structure (new PCI controllers) */
777 typedef struct {
778 unchar cfg_reg; /* DPRAM cfg.(2:below 1MB,0:anywhere)*/
779 unchar unused1[0x3f];
780 unchar volatile sema0_reg; /* command semaphore */
781 unchar volatile sema1_reg; /* status semaphore */
782 unchar unused2[2];
783 ushort volatile status; /* command status */
784 ushort service; /* service */
785 ulong32 info[2]; /* additional info */
786 unchar unused3[0x10];
787 unchar ldoor_reg; /* PCI to local doorbell */
788 unchar unused4[3];
789 unchar volatile edoor_reg; /* local to PCI doorbell */
790 unchar unused5[3];
791 unchar control0; /* control0 register(unused) */
792 unchar control1; /* board interrupts enable */
793 unchar unused6[0x16];
794 } PACKED gdt6c_plx_regs;
795
796 /* DPRAM new PCI controllers */
797 typedef struct {
798 union {
799 gdt_dpr_if ic; /* interface area */
800 unchar if_area[0x4000-sizeof(gdt_pci_sram)];
801 } u;
802 gdt_pci_sram gdt6sr; /* SRAM structure */
803 } PACKED gdt6c_dpram_str;
804
805 /* i960 register structure (PCI MPR controllers) */
806 typedef struct {
807 unchar unused1[16];
808 unchar volatile sema0_reg; /* command semaphore */
809 unchar unused2;
810 unchar volatile sema1_reg; /* status semaphore */
811 unchar unused3;
812 ushort volatile status; /* command status */
813 ushort service; /* service */
814 ulong32 info[2]; /* additional info */
815 unchar ldoor_reg; /* PCI to local doorbell */
816 unchar unused4[11];
817 unchar volatile edoor_reg; /* local to PCI doorbell */
818 unchar unused5[7];
819 unchar edoor_en_reg; /* board interrupts enable */
820 unchar unused6[27];
821 ulong32 unused7[939];
822 ulong32 severity;
823 char evt_str[256]; /* event string */
824 } PACKED gdt6m_i960_regs;
825
826 /* DPRAM PCI MPR controllers */
827 typedef struct {
828 gdt6m_i960_regs i960r; /* 4KB i960 registers */
829 union {
830 gdt_dpr_if ic; /* interface area */
831 unchar if_area[0x3000-sizeof(gdt_pci_sram)];
832 } u;
833 gdt_pci_sram gdt6sr; /* SRAM structure */
834 } PACKED gdt6m_dpram_str;
835
836
837 /* PCI resources */
838 typedef struct {
839 struct pci_dev *pdev;
840 ulong dpmem; /* DPRAM address */
841 ulong io; /* IO address */
842 } gdth_pci_str;
843
844
845 /* controller information structure */
846 typedef struct {
847 struct Scsi_Host *shost;
848 struct list_head list;
849 ushort hanum;
850 ushort oem_id; /* OEM */
851 ushort type; /* controller class */
852 ulong32 stype; /* subtype (PCI: device ID) */
853 ushort fw_vers; /* firmware version */
854 ushort cache_feat; /* feat. cache serv. (s/g,..)*/
855 ushort raw_feat; /* feat. raw service (s/g,..)*/
856 ushort screen_feat; /* feat. raw service (s/g,..)*/
857 ushort bmic; /* BMIC address (EISA) */
858 void __iomem *brd; /* DPRAM address */
859 ulong32 brd_phys; /* slot number/BIOS address */
860 gdt6c_plx_regs *plx; /* PLX regs (new PCI contr.) */
861 gdth_cmd_str cmdext;
862 gdth_cmd_str *pccb; /* address command structure */
863 ulong32 ccb_phys; /* phys. address */
864 #ifdef INT_COAL
865 gdth_coal_status *coal_stat; /* buffer for coalescing int.*/
866 ulong64 coal_stat_phys; /* phys. address */
867 #endif
868 char *pscratch; /* scratch (DMA) buffer */
869 ulong64 scratch_phys; /* phys. address */
870 unchar scratch_busy; /* in use? */
871 unchar dma64_support; /* 64-bit DMA supported? */
872 gdth_msg_str *pmsg; /* message buffer */
873 ulong64 msg_phys; /* phys. address */
874 unchar scan_mode; /* current scan mode */
875 unchar irq; /* IRQ */
876 unchar drq; /* DRQ (ISA controllers) */
877 ushort status; /* command status */
878 ushort service; /* service/firmware ver./.. */
879 ulong32 info;
880 ulong32 info2; /* additional info */
881 Scsi_Cmnd *req_first; /* top of request queue */
882 struct {
883 unchar present; /* Flag: host drive present? */
884 unchar is_logdrv; /* Flag: log. drive (master)? */
885 unchar is_arraydrv; /* Flag: array drive? */
886 unchar is_master; /* Flag: array drive master? */
887 unchar is_parity; /* Flag: parity drive? */
888 unchar is_hotfix; /* Flag: hotfix drive? */
889 unchar master_no; /* number of master drive */
890 unchar lock; /* drive locked? (hot plug) */
891 unchar heads; /* mapping */
892 unchar secs;
893 ushort devtype; /* further information */
894 ulong64 size; /* capacity */
895 unchar ldr_no; /* log. drive no. */
896 unchar rw_attribs; /* r/w attributes */
897 unchar cluster_type; /* cluster properties */
898 unchar media_changed; /* Flag:MOUNT/UNMOUNT occured */
899 ulong32 start_sec; /* start sector */
900 } hdr[MAX_LDRIVES]; /* host drives */
901 struct {
902 unchar lock; /* channel locked? (hot plug) */
903 unchar pdev_cnt; /* physical device count */
904 unchar local_no; /* local channel number */
905 unchar io_cnt[MAXID]; /* current IO count */
906 ulong32 address; /* channel address */
907 ulong32 id_list[MAXID]; /* IDs of the phys. devices */
908 } raw[MAXBUS]; /* SCSI channels */
909 struct {
910 Scsi_Cmnd *cmnd; /* pending request */
911 ushort service; /* service */
912 } cmd_tab[GDTH_MAXCMDS]; /* table of pend. requests */
913 struct gdth_cmndinfo { /* per-command private info */
914 int index;
915 int internal_command; /* don't call scsi_done */
916 gdth_cmd_str *internal_cmd_str; /* crier for internal messages*/
917 dma_addr_t sense_paddr; /* sense dma-addr */
918 unchar priority;
919 int timeout_count; /* # of timeout calls */
920 volatile int wait_for_completion;
921 ushort status;
922 ulong32 info;
923 enum dma_data_direction dma_dir;
924 int phase; /* ???? */
925 int OpCode;
926 } cmndinfo[GDTH_MAXCMDS]; /* index==0 is free */
927 unchar bus_cnt; /* SCSI bus count */
928 unchar tid_cnt; /* Target ID count */
929 unchar bus_id[MAXBUS]; /* IOP IDs */
930 unchar virt_bus; /* number of virtual bus */
931 unchar more_proc; /* more /proc info supported */
932 ushort cmd_cnt; /* command count in DPRAM */
933 ushort cmd_len; /* length of actual command */
934 ushort cmd_offs_dpmem; /* actual offset in DPRAM */
935 ushort ic_all_size; /* sizeof DPRAM interf. area */
936 gdth_cpar_str cpar; /* controller cache par. */
937 gdth_bfeat_str bfeat; /* controller features */
938 gdth_binfo_str binfo; /* controller info */
939 gdth_evt_data dvr; /* event structure */
940 spinlock_t smp_lock;
941 struct pci_dev *pdev;
942 char oem_name[8];
943 #ifdef GDTH_DMA_STATISTICS
944 ulong dma32_cnt, dma64_cnt; /* statistics: DMA buffer */
945 #endif
946 struct scsi_device *sdev;
947 } gdth_ha_str;
948
949 static inline struct gdth_cmndinfo *gdth_cmnd_priv(struct scsi_cmnd* cmd)
950 {
951 return (struct gdth_cmndinfo *)cmd->host_scribble;
952 }
953
954 /* INQUIRY data format */
955 typedef struct {
956 unchar type_qual;
957 unchar modif_rmb;
958 unchar version;
959 unchar resp_aenc;
960 unchar add_length;
961 unchar reserved1;
962 unchar reserved2;
963 unchar misc;
964 unchar vendor[8];
965 unchar product[16];
966 unchar revision[4];
967 } PACKED gdth_inq_data;
968
969 /* READ_CAPACITY data format */
970 typedef struct {
971 ulong32 last_block_no;
972 ulong32 block_length;
973 } PACKED gdth_rdcap_data;
974
975 /* READ_CAPACITY (16) data format */
976 typedef struct {
977 ulong64 last_block_no;
978 ulong32 block_length;
979 } PACKED gdth_rdcap16_data;
980
981 /* REQUEST_SENSE data format */
982 typedef struct {
983 unchar errorcode;
984 unchar segno;
985 unchar key;
986 ulong32 info;
987 unchar add_length;
988 ulong32 cmd_info;
989 unchar adsc;
990 unchar adsq;
991 unchar fruc;
992 unchar key_spec[3];
993 } PACKED gdth_sense_data;
994
995 /* MODE_SENSE data format */
996 typedef struct {
997 struct {
998 unchar data_length;
999 unchar med_type;
1000 unchar dev_par;
1001 unchar bd_length;
1002 } PACKED hd;
1003 struct {
1004 unchar dens_code;
1005 unchar block_count[3];
1006 unchar reserved;
1007 unchar block_length[3];
1008 } PACKED bd;
1009 } PACKED gdth_modep_data;
1010
1011 /* stack frame */
1012 typedef struct {
1013 ulong b[10]; /* 32/64 bit compiler ! */
1014 } PACKED gdth_stackframe;
1015
1016
1017 /* function prototyping */
1018
1019 int gdth_proc_info(struct Scsi_Host *, char *,char **,off_t,int,int);
1020
1021 #endif
Support for the Chinese Samsung S3C2440 based development boards