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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  * <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 #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 
gdth_cmnd_priv(struct scsi_cmnd * cmd)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_show_info(struct seq_file *, struct Scsi_Host *);
1011 int gdth_set_info(struct Scsi_Host *, char *, int);
1012 
1013 #endif
1014