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gdth.h
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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  * <[email protected]>
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 #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 
297 /* other defines */
298 #define LINUX_OS 8 /* used for cache optim. */
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 */
314 typedef struct {
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];
321  char msg_text[MSGLEN+2]; /* the message text */
322 } __attribute__((packed)) gdth_msg_str;
323 
324 
325 /* IOCTL data structures */
326 
327 /* Status coalescing buffer for returning multiple requests per interrupt */
328 typedef struct {
329  u32 status;
330  u32 ext_status;
331  u32 info0;
332  u32 info1;
333 } __attribute__((packed)) gdth_coal_status;
334 
335 /* performance mode data structure */
336 typedef struct {
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 */
353  u32 cmd_buff_size; /* size of each cmd buffer in bytes */
354  u32 reserved1;
355  u32 reserved2;
356 } __attribute__((packed)) gdth_perf_modes;
357 
358 /* SCSI drive info */
359 typedef struct {
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) */
399  char wwn[8]; /* world wide name */
400 } __attribute__((packed)) gdth_diskinfo_str;
401 
402 /* get SCSI channel count */
403 typedef struct {
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;
409 
410 /* get SCSI drive numbers */
411 typedef struct {
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;
416 
417 /* get grown/primary defect count */
418 typedef struct {
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;
425 
426 /* disk statistics */
427 typedef struct {
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 */
433  struct {
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;
446 
447 /* IO channel header */
448 typedef struct {
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;
456 
457 /* get IO channel description */
458 typedef struct {
459  gdth_iochan_header hdr;
460  struct {
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;
467 
468 /* get raw IO channel description */
469 typedef struct {
470  gdth_iochan_header hdr;
471  struct {
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;
477 
478 /* array drive component */
479 typedef struct {
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;
485 
486 /* array drive information */
487 typedef struct {
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 */
502  gdth_arraycomp_str ai_drives[35]; /* drive components: */
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;
510 
511 /* get array drive list */
512 typedef struct {
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;
521 
522 typedef struct {
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 */
527  gdth_alist_str list[1]; /* list */
528 } __attribute__((packed)) gdth_arcdl_str;
529 
530 /* cache info/config IOCTL */
531 typedef struct {
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;
538 
539 typedef struct {
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;
547 
548 typedef struct {
549  gdth_cpar_str cpar;
550  gdth_cstat_str cstat;
551 } __attribute__((packed)) gdth_cinfo_str;
552 
553 /* cache drive info */
554 typedef struct {
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;
572 
573 /* OEM string */
574 typedef struct {
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 
585 typedef 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;
611 
612 typedef struct {
613  gdth_oem_str_params params;
614  gdth_oem_str text;
615 } __attribute__((packed)) gdth_oem_str_ioctl;
616 
617 /* board features */
618 typedef struct {
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;
624 
625 /* board info IOCTL */
626 typedef struct {
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 */
639  char type_string[16]; /* controller name */
640  char raid_string[16]; /* RAID firmware name */
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;
653 
654 /* get host drive info */
655 typedef struct {
656  char name[8]; /* host drive name */
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 
665 typedef 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 */
673  gdth_hentry_str entry[MAX_HDRIVES]; /* entries */
674 } __attribute__((packed)) gdth_hget_str;
675 
676 
677 /* DPRAM structures */
678 
679 /* interface area ISA/PCI */
680 typedef struct {
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 */
692  struct {
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;
699 
700 /* SRAM structure PCI controllers */
701 typedef struct {
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;
710 
711 /* SRAM structure EISA controllers (but NOT GDT3000/3020) */
712 typedef struct {
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;
718 
719 
720 /* DPRAM ISA controllers */
721 typedef struct {
722  union {
723  struct {
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 */
732  } bu;
733  union {
734  gdt_dpr_if ic; /* interface area */
735  u8 if_area[0x3000]; /* 12KB for interface */
736  } u;
737  struct {
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;
746 
747 /* DPRAM PCI controllers */
748 typedef struct {
749  union {
750  gdt_dpr_if ic; /* interface area */
751  u8 if_area[0xff0-sizeof(gdt_pci_sram)];
752  } u;
753  gdt_pci_sram gdt6sr; /* SRAM structure */
754  struct {
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;
766 
767 /* PLX register structure (new PCI controllers) */
768 typedef struct {
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;
786 
787 /* DPRAM new PCI controllers */
788 typedef struct {
789  union {
790  gdt_dpr_if ic; /* interface area */
791  u8 if_area[0x4000-sizeof(gdt_pci_sram)];
792  } u;
793  gdt_pci_sram gdt6sr; /* SRAM structure */
794 } __attribute__((packed)) gdt6c_dpram_str;
795 
796 /* i960 register structure (PCI MPR controllers) */
797 typedef struct {
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;
814  char evt_str[256]; /* event string */
815 } __attribute__((packed)) gdt6m_i960_regs;
816 
817 /* DPRAM PCI MPR controllers */
818 typedef struct {
819  gdt6m_i960_regs i960r; /* 4KB i960 registers */
820  union {
821  gdt_dpr_if ic; /* interface area */
822  u8 if_area[0x3000-sizeof(gdt_pci_sram)];
823  } u;
824  gdt_pci_sram gdt6sr; /* SRAM structure */
825 } __attribute__((packed)) gdt6m_dpram_str;
826 
827 
828 /* PCI resources */
829 typedef struct {
830  struct pci_dev *pdev;
831  unsigned long dpmem; /* DPRAM address */
832  unsigned long io; /* IO address */
833 } gdth_pci_str;
834 
835 
836 /* controller information structure */
837 typedef struct {
838  struct Scsi_Host *shost;
839  struct list_head list;
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) */
849  void __iomem *brd; /* DPRAM address */
850  u32 brd_phys; /* slot number/BIOS address */
851  gdt6c_plx_regs *plx; /* PLX regs (new PCI contr.) */
852  gdth_cmd_str cmdext;
853  gdth_cmd_str *pccb; /* address command structure */
854  u32 ccb_phys; /* phys. address */
855 #ifdef INT_COAL
856  gdth_coal_status *coal_stat; /* buffer for coalescing int.*/
857  u64 coal_stat_phys; /* phys. address */
858 #endif
859  char *pscratch; /* scratch (DMA) buffer */
860  u64 scratch_phys; /* phys. address */
861  u8 scratch_busy; /* in use? */
862  u8 dma64_support; /* 64-bit DMA supported? */
863  gdth_msg_str *pmsg; /* message buffer */
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 */
872  Scsi_Cmnd *req_first; /* top of request queue */
873  struct {
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 */
889  u8 media_changed; /* Flag:MOUNT/UNMOUNT occurred */
890  u32 start_sec; /* start sector */
891  } hdr[MAX_LDRIVES]; /* host drives */
892  struct {
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 */
899  } raw[MAXBUS]; /* SCSI channels */
900  struct {
901  Scsi_Cmnd *cmnd; /* pending request */
902  u16 service; /* service */
903  } cmd_tab[GDTH_MAXCMDS]; /* table of pend. requests */
904  struct gdth_cmndinfo { /* per-command private info */
905  int index;
906  int internal_command; /* don't call scsi_done */
907  gdth_cmd_str *internal_cmd_str; /* crier for internal messages*/
908  dma_addr_t sense_paddr; /* sense dma-addr */
909  u8 priority;
910  int timeout_count; /* # of timeout calls */
911  volatile int wait_for_completion;
912  u16 status;
913  u32 info;
914  enum dma_data_direction dma_dir;
915  int phase; /* ???? */
916  int OpCode;
917  } cmndinfo[GDTH_MAXCMDS]; /* index==0 is free */
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 */
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;
932  struct pci_dev *pdev;
933  char oem_name[8];
934 #ifdef GDTH_DMA_STATISTICS
935  unsigned long dma32_cnt, dma64_cnt; /* statistics: DMA buffer */
936 #endif
937  struct scsi_device *sdev;
938 } gdth_ha_str;
939 
940 static inline struct gdth_cmndinfo *gdth_cmnd_priv(struct scsi_cmnd* cmd)
941 {
942  return (struct gdth_cmndinfo *)cmd->host_scribble;
943 }
944 
945 /* INQUIRY data format */
946 typedef struct {
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;
959 
960 /* READ_CAPACITY data format */
961 typedef struct {
962  u32 last_block_no;
963  u32 block_length;
964 } __attribute__((packed)) gdth_rdcap_data;
965 
966 /* READ_CAPACITY (16) data format */
967 typedef struct {
968  u64 last_block_no;
969  u32 block_length;
970 } __attribute__((packed)) gdth_rdcap16_data;
971 
972 /* REQUEST_SENSE data format */
973 typedef struct {
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;
985 
986 /* MODE_SENSE data format */
987 typedef struct {
988  struct {
989  u8 data_length;
990  u8 med_type;
991  u8 dev_par;
992  u8 bd_length;
993  } __attribute__((packed)) hd;
994  struct {
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;
1001 
1002 /* stack frame */
1003 typedef struct {
1004  unsigned long b[10]; /* 32/64 bit compiler ! */
1005 } __attribute__((packed)) gdth_stackframe;
1006 
1007 
1008 /* function prototyping */
1009 
1010 int gdth_proc_info(struct Scsi_Host *, char *,char **,off_t,int,int);
1011 
1012 #endif
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