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1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _GDTH_H
3 #define _GDTH_H
4 
5 /*
6  * Header file for the GDT Disk Array/Storage RAID controllers driver for Linux
7  *
8  * gdth.h Copyright (C) 1995-06 ICP vortex, Achim Leubner
9  * See gdth.c for further informations and
10  * below for supported controller types
11  *
12  * <achim_leubner@adaptec.com>
13  *
14  * $Id: gdth.h,v 1.58 2006/01/11 16:14:09 achim Exp $
15  */
16 
17 #include <linux/types.h>
18 
19 #ifndef TRUE
20 #define TRUE 1
21 #endif
22 #ifndef FALSE
23 #define FALSE 0
24 #endif
25 
26 /* defines, macros */
27 
28 /* driver version */
29 #define GDTH_VERSION_STR        "3.05"
30 #define GDTH_VERSION            3
31 #define GDTH_SUBVERSION         5
32 
33 /* protocol version */
34 #define PROTOCOL_VERSION        1
35 
36 /* OEM IDs */
37 #define OEM_ID_ICP      0x941c
38 #define OEM_ID_INTEL    0x8000
39 
40 /* controller classes */
41 #define GDT_PCI         0x03                    /* PCI controller */
42 #define GDT_PCINEW      0x04                    /* new PCI controller */
43 #define GDT_PCIMPR      0x05                    /* PCI MPR controller */
44 
45 #ifndef PCI_DEVICE_ID_VORTEX_GDT60x0
46 /* GDT_PCI */
47 #define PCI_DEVICE_ID_VORTEX_GDT60x0    0       /* GDT6000/6020/6050 */
48 #define PCI_DEVICE_ID_VORTEX_GDT6000B   1       /* GDT6000B/6010 */
49 /* GDT_PCINEW */
50 #define PCI_DEVICE_ID_VORTEX_GDT6x10    2       /* GDT6110/6510 */
51 #define PCI_DEVICE_ID_VORTEX_GDT6x20    3       /* GDT6120/6520 */
52 #define PCI_DEVICE_ID_VORTEX_GDT6530    4       /* GDT6530 */
53 #define PCI_DEVICE_ID_VORTEX_GDT6550    5       /* GDT6550 */
54 /* GDT_PCINEW, wide/ultra SCSI controllers */
55 #define PCI_DEVICE_ID_VORTEX_GDT6x17    6       /* GDT6117/6517 */
56 #define PCI_DEVICE_ID_VORTEX_GDT6x27    7       /* GDT6127/6527 */
57 #define PCI_DEVICE_ID_VORTEX_GDT6537    8       /* GDT6537 */
58 #define PCI_DEVICE_ID_VORTEX_GDT6557    9       /* GDT6557/6557-ECC */
59 /* GDT_PCINEW, wide SCSI controllers */
60 #define PCI_DEVICE_ID_VORTEX_GDT6x15    10      /* GDT6115/6515 */
61 #define PCI_DEVICE_ID_VORTEX_GDT6x25    11      /* GDT6125/6525 */
62 #define PCI_DEVICE_ID_VORTEX_GDT6535    12      /* GDT6535 */
63 #define PCI_DEVICE_ID_VORTEX_GDT6555    13      /* GDT6555/6555-ECC */
64 #endif
65 
66 #ifndef PCI_DEVICE_ID_VORTEX_GDT6x17RP
67 /* GDT_MPR, RP series, wide/ultra SCSI */
68 #define PCI_DEVICE_ID_VORTEX_GDT6x17RP  0x100   /* GDT6117RP/GDT6517RP */
69 #define PCI_DEVICE_ID_VORTEX_GDT6x27RP  0x101   /* GDT6127RP/GDT6527RP */
70 #define PCI_DEVICE_ID_VORTEX_GDT6537RP  0x102   /* GDT6537RP */
71 #define PCI_DEVICE_ID_VORTEX_GDT6557RP  0x103   /* GDT6557RP */
72 /* GDT_MPR, RP series, narrow/ultra SCSI */
73 #define PCI_DEVICE_ID_VORTEX_GDT6x11RP  0x104   /* GDT6111RP/GDT6511RP */
74 #define PCI_DEVICE_ID_VORTEX_GDT6x21RP  0x105   /* GDT6121RP/GDT6521RP */
75 #endif
76 #ifndef PCI_DEVICE_ID_VORTEX_GDT6x17RD
77 /* GDT_MPR, RD series, wide/ultra SCSI */
78 #define PCI_DEVICE_ID_VORTEX_GDT6x17RD  0x110   /* GDT6117RD/GDT6517RD */
79 #define PCI_DEVICE_ID_VORTEX_GDT6x27RD  0x111   /* GDT6127RD/GDT6527RD */
80 #define PCI_DEVICE_ID_VORTEX_GDT6537RD  0x112   /* GDT6537RD */
81 #define PCI_DEVICE_ID_VORTEX_GDT6557RD  0x113   /* GDT6557RD */
82 /* GDT_MPR, RD series, narrow/ultra SCSI */
83 #define PCI_DEVICE_ID_VORTEX_GDT6x11RD  0x114   /* GDT6111RD/GDT6511RD */
84 #define PCI_DEVICE_ID_VORTEX_GDT6x21RD  0x115   /* GDT6121RD/GDT6521RD */
85 /* GDT_MPR, RD series, wide/ultra2 SCSI */
86 #define PCI_DEVICE_ID_VORTEX_GDT6x18RD  0x118   /* GDT6118RD/GDT6518RD/
87                                                    GDT6618RD */
88 #define PCI_DEVICE_ID_VORTEX_GDT6x28RD  0x119   /* GDT6128RD/GDT6528RD/
89                                                    GDT6628RD */
90 #define PCI_DEVICE_ID_VORTEX_GDT6x38RD  0x11A   /* GDT6538RD/GDT6638RD */
91 #define PCI_DEVICE_ID_VORTEX_GDT6x58RD  0x11B   /* GDT6558RD/GDT6658RD */
92 /* GDT_MPR, RN series (64-bit PCI), wide/ultra2 SCSI */
93 #define PCI_DEVICE_ID_VORTEX_GDT7x18RN  0x168   /* GDT7118RN/GDT7518RN/
94                                                    GDT7618RN */
95 #define PCI_DEVICE_ID_VORTEX_GDT7x28RN  0x169   /* GDT7128RN/GDT7528RN/
96                                                    GDT7628RN */
97 #define PCI_DEVICE_ID_VORTEX_GDT7x38RN  0x16A   /* GDT7538RN/GDT7638RN */
98 #define PCI_DEVICE_ID_VORTEX_GDT7x58RN  0x16B   /* GDT7558RN/GDT7658RN */
99 #endif
100 
101 #ifndef PCI_DEVICE_ID_VORTEX_GDT6x19RD
102 /* GDT_MPR, RD series, Fibre Channel */
103 #define PCI_DEVICE_ID_VORTEX_GDT6x19RD  0x210   /* GDT6519RD/GDT6619RD */
104 #define PCI_DEVICE_ID_VORTEX_GDT6x29RD  0x211   /* GDT6529RD/GDT6629RD */
105 /* GDT_MPR, RN series (64-bit PCI), Fibre Channel */
106 #define PCI_DEVICE_ID_VORTEX_GDT7x19RN  0x260   /* GDT7519RN/GDT7619RN */
107 #define PCI_DEVICE_ID_VORTEX_GDT7x29RN  0x261   /* GDT7529RN/GDT7629RN */
108 #endif
109 
110 #ifndef PCI_DEVICE_ID_VORTEX_GDTMAXRP
111 /* GDT_MPR, last device ID */
112 #define PCI_DEVICE_ID_VORTEX_GDTMAXRP   0x2ff
113 #endif
114 
115 #ifndef PCI_DEVICE_ID_VORTEX_GDTNEWRX
116 /* new GDT Rx Controller */
117 #define PCI_DEVICE_ID_VORTEX_GDTNEWRX   0x300
118 #endif
119 
120 #ifndef PCI_DEVICE_ID_VORTEX_GDTNEWRX2
121 /* new(2) GDT Rx Controller */
122 #define PCI_DEVICE_ID_VORTEX_GDTNEWRX2  0x301
123 #endif
124 
125 #ifndef PCI_DEVICE_ID_INTEL_SRC
126 /* Intel Storage RAID Controller */
127 #define PCI_DEVICE_ID_INTEL_SRC         0x600
128 #endif
129 
130 #ifndef PCI_DEVICE_ID_INTEL_SRC_XSCALE
131 /* Intel Storage RAID Controller */
132 #define PCI_DEVICE_ID_INTEL_SRC_XSCALE  0x601
133 #endif
134 
135 /* limits */
136 #define GDTH_SCRATCH    PAGE_SIZE               /* 4KB scratch buffer */
137 #define GDTH_MAXCMDS    120
138 #define GDTH_MAXC_P_L   16                      /* max. cmds per lun */
139 #define GDTH_MAX_RAW    2                       /* max. cmds per raw device */
140 #define MAXOFFSETS      128
141 #define MAXHA           16
142 #define MAXID           127
143 #define MAXLUN          8
144 #define MAXBUS          6
145 #define MAX_EVENTS      100                     /* event buffer count */
146 #define MAX_RES_ARGS    40                      /* device reservation,
147                                                    must be a multiple of 4 */
148 #define MAXCYLS         1024
149 #define HEADS           64
150 #define SECS            32                      /* mapping 64*32 */
151 #define MEDHEADS        127
152 #define MEDSECS         63                      /* mapping 127*63 */
153 #define BIGHEADS        255
154 #define BIGSECS         63                      /* mapping 255*63 */
155 
156 /* special command ptr. */
157 #define UNUSED_CMND     ((struct scsi_cmnd *)-1)
158 #define INTERNAL_CMND   ((struct scsi_cmnd *)-2)
159 #define SCREEN_CMND     ((struct scsi_cmnd *)-3)
160 #define SPECIAL_SCP(p)  (p==UNUSED_CMND || p==INTERNAL_CMND || p==SCREEN_CMND)
161 
162 /* controller services */
163 #define SCSIRAWSERVICE  3
164 #define CACHESERVICE    9
165 #define SCREENSERVICE   11
166 
167 /* screenservice defines */
168 #define MSG_INV_HANDLE  -1                      /* special message handle */
169 #define MSGLEN          16                      /* size of message text */
170 #define MSG_SIZE        34                      /* size of message structure */
171 #define MSG_REQUEST     0                       /* async. event: message */
172 
173 /* DPMEM constants */
174 #define DPMEM_MAGIC     0xC0FFEE11
175 #define IC_HEADER_BYTES 48
176 #define IC_QUEUE_BYTES  4
177 #define DPMEM_COMMAND_OFFSET    IC_HEADER_BYTES+IC_QUEUE_BYTES*MAXOFFSETS
178 
179 /* cluster_type constants */
180 #define CLUSTER_DRIVE         1
181 #define CLUSTER_MOUNTED       2
182 #define CLUSTER_RESERVED      4
183 #define CLUSTER_RESERVE_STATE (CLUSTER_DRIVE|CLUSTER_MOUNTED|CLUSTER_RESERVED)
184 
185 /* commands for all services, cache service */
186 #define GDT_INIT        0                       /* service initialization */
187 #define GDT_READ        1                       /* read command */
188 #define GDT_WRITE       2                       /* write command */
189 #define GDT_INFO        3                       /* information about devices */
190 #define GDT_FLUSH       4                       /* flush dirty cache buffers */
191 #define GDT_IOCTL       5                       /* ioctl command */
192 #define GDT_DEVTYPE     9                       /* additional information */
193 #define GDT_MOUNT       10                      /* mount cache device */
194 #define GDT_UNMOUNT     11                      /* unmount cache device */
195 #define GDT_SET_FEAT    12                      /* set feat. (scatter/gather) */
196 #define GDT_GET_FEAT    13                      /* get features */
197 #define GDT_WRITE_THR   16                      /* write through */
198 #define GDT_READ_THR    17                      /* read through */
199 #define GDT_EXT_INFO    18                      /* extended info */
200 #define GDT_RESET       19                      /* controller reset */
201 #define GDT_RESERVE_DRV 20                      /* reserve host drive */
202 #define GDT_RELEASE_DRV 21                      /* release host drive */
203 #define GDT_CLUST_INFO  22                      /* cluster info */
204 #define GDT_RW_ATTRIBS  23                      /* R/W attribs (write thru,..)*/
205 #define GDT_CLUST_RESET 24                      /* releases the cluster drives*/
206 #define GDT_FREEZE_IO   25                      /* freezes all IOs */
207 #define GDT_UNFREEZE_IO 26                      /* unfreezes all IOs */
208 #define GDT_X_INIT_HOST 29                      /* ext. init: 64 bit support */
209 #define GDT_X_INFO      30                      /* ext. info for drives>2TB */
210 
211 /* raw service commands */
212 #define GDT_RESERVE     14                      /* reserve dev. to raw serv. */
213 #define GDT_RELEASE     15                      /* release device */
214 #define GDT_RESERVE_ALL 16                      /* reserve all devices */
215 #define GDT_RELEASE_ALL 17                      /* release all devices */
216 #define GDT_RESET_BUS   18                      /* reset bus */
217 #define GDT_SCAN_START  19                      /* start device scan */
218 #define GDT_SCAN_END    20                      /* stop device scan */
219 #define GDT_X_INIT_RAW  21                      /* ext. init: 64 bit support */
220 
221 /* screen service commands */
222 #define GDT_REALTIME    3                       /* realtime clock to screens. */
223 #define GDT_X_INIT_SCR  4                       /* ext. init: 64 bit support */
224 
225 /* IOCTL command defines */
226 #define SCSI_DR_INFO    0x00                    /* SCSI drive info */
227 #define SCSI_CHAN_CNT   0x05                    /* SCSI channel count */
228 #define SCSI_DR_LIST    0x06                    /* SCSI drive list */
229 #define SCSI_DEF_CNT    0x15                    /* grown/primary defects */
230 #define DSK_STATISTICS  0x4b                    /* SCSI disk statistics */
231 #define IOCHAN_DESC     0x5d                    /* description of IO channel */
232 #define IOCHAN_RAW_DESC 0x5e                    /* description of raw IO chn. */
233 #define L_CTRL_PATTERN  0x20000000L             /* SCSI IOCTL mask */
234 #define ARRAY_INFO      0x12                    /* array drive info */
235 #define ARRAY_DRV_LIST  0x0f                    /* array drive list */
236 #define ARRAY_DRV_LIST2 0x34                    /* array drive list (new) */
237 #define LA_CTRL_PATTERN 0x10000000L             /* array IOCTL mask */
238 #define CACHE_DRV_CNT   0x01                    /* cache drive count */
239 #define CACHE_DRV_LIST  0x02                    /* cache drive list */
240 #define CACHE_INFO      0x04                    /* cache info */
241 #define CACHE_CONFIG    0x05                    /* cache configuration */
242 #define CACHE_DRV_INFO  0x07                    /* cache drive info */
243 #define BOARD_FEATURES  0x15                    /* controller features */
244 #define BOARD_INFO      0x28                    /* controller info */
245 #define SET_PERF_MODES  0x82                    /* set mode (coalescing,..) */
246 #define GET_PERF_MODES  0x83                    /* get mode */
247 #define CACHE_READ_OEM_STRING_RECORD 0x84       /* read OEM string record */
248 #define HOST_GET        0x10001L                /* get host drive list */
249 #define IO_CHANNEL      0x00020000L             /* default IO channel */
250 #define INVALID_CHANNEL 0x0000ffffL             /* invalid channel */
251 
252 /* service errors */
253 #define S_OK            1                       /* no error */
254 #define S_GENERR        6                       /* general error */
255 #define S_BSY           7                       /* controller busy */
256 #define S_CACHE_UNKNOWN 12                      /* cache serv.: drive unknown */
257 #define S_RAW_SCSI      12                      /* raw serv.: target error */
258 #define S_RAW_ILL       0xff                    /* raw serv.: illegal */
259 #define S_NOFUNC        -2                      /* unknown function */
260 #define S_CACHE_RESERV  -24                     /* cache: reserv. conflict */
261 
262 /* timeout values */
263 #define INIT_RETRIES    100000                  /* 100000 * 1ms = 100s */
264 #define INIT_TIMEOUT    100000                  /* 100000 * 1ms = 100s */
265 #define POLL_TIMEOUT    10000                   /* 10000 * 1ms = 10s */
266 
267 /* priorities */
268 #define DEFAULT_PRI     0x20
269 #define IOCTL_PRI       0x10
270 #define HIGH_PRI        0x08
271 
272 /* data directions */
273 #define GDTH_DATA_IN    0x01000000L             /* data from target */
274 #define GDTH_DATA_OUT   0x00000000L             /* data to target */
275 
276 /* other defines */
277 #define LINUX_OS        8                       /* used for cache optim. */
278 #define SECS32          0x1f                    /* round capacity */
279 #define BIOS_ID_OFFS    0x10                    /* offset contr-ID in ISABIOS */
280 #define LOCALBOARD      0                       /* board node always 0 */
281 #define ASYNCINDEX      0                       /* cmd index async. event */
282 #define SPEZINDEX       1                       /* cmd index unknown service */
283 #define COALINDEX       (GDTH_MAXCMDS + 2)
284 
285 /* features */
286 #define SCATTER_GATHER  1                       /* s/g feature */
287 #define GDT_WR_THROUGH  0x100                   /* WRITE_THROUGH supported */
288 #define GDT_64BIT       0x200                   /* 64bit / drv>2TB support */
289 
290 #include "gdth_ioctl.h"
291 
292 /* screenservice message */
293 typedef struct {
294     u32     msg_handle;                     /* message handle */
295     u32     msg_len;                        /* size of message */
296     u32     msg_alen;                       /* answer length */
297     u8      msg_answer;                     /* answer flag */
298     u8      msg_ext;                        /* more messages */
299     u8      msg_reserved[2];
300     char        msg_text[MSGLEN+2];             /* the message text */
301 } __attribute__((packed)) gdth_msg_str;
302 
303 
304 /* IOCTL data structures */
305 
306 /* Status coalescing buffer for returning multiple requests per interrupt */
307 typedef struct {
308     u32     status;
309     u32     ext_status;
310     u32     info0;
311     u32     info1;
312 } __attribute__((packed)) gdth_coal_status;
313 
314 /* performance mode data structure */
315 typedef struct {
316     u32     version;            /* The version of this IOCTL structure. */
317     u32     st_mode;            /* 0=dis., 1=st_buf_addr1 valid, 2=both  */
318     u32     st_buff_addr1;      /* physical address of status buffer 1 */
319     u32     st_buff_u_addr1;    /* reserved for 64 bit addressing */
320     u32     st_buff_indx1;      /* reserved command idx. for this buffer */
321     u32     st_buff_addr2;      /* physical address of status buffer 1 */
322     u32     st_buff_u_addr2;    /* reserved for 64 bit addressing */
323     u32     st_buff_indx2;      /* reserved command idx. for this buffer */
324     u32     st_buff_size;       /* size of each buffer in bytes */
325     u32     cmd_mode;           /* 0 = mode disabled, 1 = cmd_buff_addr1 */
326     u32     cmd_buff_addr1;     /* physical address of cmd buffer 1 */
327     u32     cmd_buff_u_addr1;   /* reserved for 64 bit addressing */
328     u32     cmd_buff_indx1;     /* cmd buf addr1 unique identifier */
329     u32     cmd_buff_addr2;     /* physical address of cmd buffer 1 */
330     u32     cmd_buff_u_addr2;   /* reserved for 64 bit addressing */
331     u32     cmd_buff_indx2;     /* cmd buf addr1 unique identifier */
332     u32     cmd_buff_size;      /* size of each cmd buffer in bytes */
333     u32     reserved1;
334     u32     reserved2;
335 } __attribute__((packed)) gdth_perf_modes;
336 
337 /* SCSI drive info */
338 typedef struct {
339     u8      vendor[8];                      /* vendor string */
340     u8      product[16];                    /* product string */
341     u8      revision[4];                    /* revision */
342     u32     sy_rate;                        /* current rate for sync. tr. */
343     u32     sy_max_rate;                    /* max. rate for sync. tr. */
344     u32     no_ldrive;                      /* belongs to this log. drv.*/
345     u32     blkcnt;                         /* number of blocks */
346     u16      blksize;                        /* size of block in bytes */
347     u8      available;                      /* flag: access is available */
348     u8      init;                           /* medium is initialized */
349     u8      devtype;                        /* SCSI devicetype */
350     u8      rm_medium;                      /* medium is removable */
351     u8      wp_medium;                      /* medium is write protected */
352     u8      ansi;                           /* SCSI I/II or III? */
353     u8      protocol;                       /* same as ansi */
354     u8      sync;                           /* flag: sync. transfer enab. */
355     u8      disc;                           /* flag: disconnect enabled */
356     u8      queueing;                       /* flag: command queing enab. */
357     u8      cached;                         /* flag: caching enabled */
358     u8      target_id;                      /* target ID of device */
359     u8      lun;                            /* LUN id of device */
360     u8      orphan;                         /* flag: drive fragment */
361     u32     last_error;                     /* sense key or drive state */
362     u32     last_result;                    /* result of last command */
363     u32     check_errors;                   /* err. in last surface check */
364     u8      percent;                        /* progress for surface check */
365     u8      last_check;                     /* IOCTRL operation */
366     u8      res[2];
367     u32     flags;                          /* from 1.19/2.19: raw reserv.*/
368     u8      multi_bus;                      /* multi bus dev? (fibre ch.) */
369     u8      mb_status;                      /* status: available? */
370     u8      res2[2];
371     u8      mb_alt_status;                  /* status on second bus */
372     u8      mb_alt_bid;                     /* number of second bus */
373     u8      mb_alt_tid;                     /* target id on second bus */
374     u8      res3;
375     u8      fc_flag;                        /* from 1.22/2.22: info valid?*/
376     u8      res4;
377     u16      fc_frame_size;                  /* frame size (bytes) */
378     char        wwn[8];                         /* world wide name */
379 } __attribute__((packed)) gdth_diskinfo_str;
380 
381 /* get SCSI channel count  */
382 typedef struct {
383     u32     channel_no;                     /* number of channel */
384     u32     drive_cnt;                      /* drive count */
385     u8      siop_id;                        /* SCSI processor ID */
386     u8      siop_state;                     /* SCSI processor state */
387 } __attribute__((packed)) gdth_getch_str;
388 
389 /* get SCSI drive numbers */
390 typedef struct {
391     u32     sc_no;                          /* SCSI channel */
392     u32     sc_cnt;                         /* sc_list[] elements */
393     u32     sc_list[MAXID];                 /* minor device numbers */
394 } __attribute__((packed)) gdth_drlist_str;
395 
396 /* get grown/primary defect count */
397 typedef struct {
398     u8      sddc_type;                      /* 0x08: grown, 0x10: prim. */
399     u8      sddc_format;                    /* list entry format */
400     u8      sddc_len;                       /* list entry length */
401     u8      sddc_res;
402     u32     sddc_cnt;                       /* entry count */
403 } __attribute__((packed)) gdth_defcnt_str;
404 
405 /* disk statistics */
406 typedef struct {
407     u32     bid;                            /* SCSI channel */
408     u32     first;                          /* first SCSI disk */
409     u32     entries;                        /* number of elements */
410     u32     count;                          /* (R) number of init. el. */
411     u32     mon_time;                       /* time stamp */
412     struct {
413         u8  tid;                            /* target ID */
414         u8  lun;                            /* LUN */
415         u8  res[2];
416         u32 blk_size;                       /* block size in bytes */
417         u32 rd_count;                       /* bytes read */
418         u32 wr_count;                       /* bytes written */
419         u32 rd_blk_count;                   /* blocks read */
420         u32 wr_blk_count;                   /* blocks written */
421         u32 retries;                        /* retries */
422         u32 reassigns;                      /* reassigns */
423     } __attribute__((packed)) list[1];
424 } __attribute__((packed)) gdth_dskstat_str;
425 
426 /* IO channel header */
427 typedef struct {
428     u32     version;                        /* version (-1UL: newest) */
429     u8      list_entries;                   /* list entry count */
430     u8      first_chan;                     /* first channel number */
431     u8      last_chan;                      /* last channel number */
432     u8      chan_count;                     /* (R) channel count */
433     u32     list_offset;                    /* offset of list[0] */
434 } __attribute__((packed)) gdth_iochan_header;
435 
436 /* get IO channel description */
437 typedef struct {
438     gdth_iochan_header  hdr;
439     struct {
440         u32         address;                /* channel address */
441         u8          type;                   /* type (SCSI, FCAL) */
442         u8          local_no;               /* local number */
443         u16          features;               /* channel features */
444     } __attribute__((packed)) list[MAXBUS];
445 } __attribute__((packed)) gdth_iochan_str;
446 
447 /* get raw IO channel description */
448 typedef struct {
449     gdth_iochan_header  hdr;
450     struct {
451         u8      proc_id;                    /* processor id */
452         u8      proc_defect;                /* defect ? */
453         u8      reserved[2];
454     } __attribute__((packed)) list[MAXBUS];
455 } __attribute__((packed)) gdth_raw_iochan_str;
456 
457 /* array drive component */
458 typedef struct {
459     u32     al_controller;                  /* controller ID */
460     u8      al_cache_drive;                 /* cache drive number */
461     u8      al_status;                      /* cache drive state */
462     u8      al_res[2];
463 } __attribute__((packed)) gdth_arraycomp_str;
464 
465 /* array drive information */
466 typedef struct {
467     u8      ai_type;                        /* array type (RAID0,4,5) */
468     u8      ai_cache_drive_cnt;             /* active cachedrives */
469     u8      ai_state;                       /* array drive state */
470     u8      ai_master_cd;                   /* master cachedrive */
471     u32     ai_master_controller;           /* ID of master controller */
472     u32     ai_size;                        /* user capacity [sectors] */
473     u32     ai_striping_size;               /* striping size [sectors] */
474     u32     ai_secsize;                     /* sector size [bytes] */
475     u32     ai_err_info;                    /* failed cache drive */
476     u8      ai_name[8];                     /* name of the array drive */
477     u8      ai_controller_cnt;              /* number of controllers */
478     u8      ai_removable;                   /* flag: removable */
479     u8      ai_write_protected;             /* flag: write protected */
480     u8      ai_devtype;                     /* type: always direct access */
481     gdth_arraycomp_str  ai_drives[35];          /* drive components: */
482     u8      ai_drive_entries;               /* number of drive components */
483     u8      ai_protected;                   /* protection flag */
484     u8      ai_verify_state;                /* state of a parity verify */
485     u8      ai_ext_state;                   /* extended array drive state */
486     u8      ai_expand_state;                /* array expand state (>=2.18)*/
487     u8      ai_reserved[3];
488 } __attribute__((packed)) gdth_arrayinf_str;
489 
490 /* get array drive list */
491 typedef struct {
492     u32     controller_no;                  /* controller no. */
493     u8      cd_handle;                      /* master cachedrive */
494     u8      is_arrayd;                      /* Flag: is array drive? */
495     u8      is_master;                      /* Flag: is array master? */
496     u8      is_parity;                      /* Flag: is parity drive? */
497     u8      is_hotfix;                      /* Flag: is hotfix drive? */
498     u8      res[3];
499 } __attribute__((packed)) gdth_alist_str;
500 
501 typedef struct {
502     u32     entries_avail;                  /* allocated entries */
503     u32     entries_init;                   /* returned entries */
504     u32     first_entry;                    /* first entry number */
505     u32     list_offset;                    /* offset of following list */
506     gdth_alist_str list[1];                     /* list */
507 } __attribute__((packed)) gdth_arcdl_str;
508 
509 /* cache info/config IOCTL */
510 typedef struct {
511     u32     version;                        /* firmware version */
512     u16      state;                          /* cache state (on/off) */
513     u16      strategy;                       /* cache strategy */
514     u16      write_back;                     /* write back state (on/off) */
515     u16      block_size;                     /* cache block size */
516 } __attribute__((packed)) gdth_cpar_str;
517 
518 typedef struct {
519     u32     csize;                          /* cache size */
520     u32     read_cnt;                       /* read/write counter */
521     u32     write_cnt;
522     u32     tr_hits;                        /* hits */
523     u32     sec_hits;
524     u32     sec_miss;                       /* misses */
525 } __attribute__((packed)) gdth_cstat_str;
526 
527 typedef struct {
528     gdth_cpar_str   cpar;
529     gdth_cstat_str  cstat;
530 } __attribute__((packed)) gdth_cinfo_str;
531 
532 /* cache drive info */
533 typedef struct {
534     u8      cd_name[8];                     /* cache drive name */
535     u32     cd_devtype;                     /* SCSI devicetype */
536     u32     cd_ldcnt;                       /* number of log. drives */
537     u32     cd_last_error;                  /* last error */
538     u8      cd_initialized;                 /* drive is initialized */
539     u8      cd_removable;                   /* media is removable */
540     u8      cd_write_protected;             /* write protected */
541     u8      cd_flags;                       /* Pool Hot Fix? */
542     u32     ld_blkcnt;                      /* number of blocks */
543     u32     ld_blksize;                     /* blocksize */
544     u32     ld_dcnt;                        /* number of disks */
545     u32     ld_slave;                       /* log. drive index */
546     u32     ld_dtype;                       /* type of logical drive */
547     u32     ld_last_error;                  /* last error */
548     u8      ld_name[8];                     /* log. drive name */
549     u8      ld_error;                       /* error */
550 } __attribute__((packed)) gdth_cdrinfo_str;
551 
552 /* OEM string */
553 typedef struct {
554     u32     ctl_version;
555     u32     file_major_version;
556     u32     file_minor_version;
557     u32     buffer_size;
558     u32     cpy_count;
559     u32     ext_error;
560     u32     oem_id;
561     u32     board_id;
562 } __attribute__((packed)) gdth_oem_str_params;
563 
564 typedef struct {
565     u8      product_0_1_name[16];
566     u8      product_4_5_name[16];
567     u8      product_cluster_name[16];
568     u8      product_reserved[16];
569     u8      scsi_cluster_target_vendor_id[16];
570     u8      cluster_raid_fw_name[16];
571     u8      oem_brand_name[16];
572     u8      oem_raid_type[16];
573     u8      bios_type[13];
574     u8      bios_title[50];
575     u8      oem_company_name[37];
576     u32     pci_id_1;
577     u32     pci_id_2;
578     u8      validation_status[80];
579     u8      reserved_1[4];
580     u8      scsi_host_drive_inquiry_vendor_id[16];
581     u8      library_file_template[16];
582     u8      reserved_2[16];
583     u8      tool_name_1[32];
584     u8      tool_name_2[32];
585     u8      tool_name_3[32];
586     u8      oem_contact_1[84];
587     u8      oem_contact_2[84];
588     u8      oem_contact_3[84];
589 } __attribute__((packed)) gdth_oem_str;
590 
591 typedef struct {
592     gdth_oem_str_params params;
593     gdth_oem_str        text;
594 } __attribute__((packed)) gdth_oem_str_ioctl;
595 
596 /* board features */
597 typedef struct {
598     u8      chaining;                       /* Chaining supported */
599     u8      striping;                       /* Striping (RAID-0) supp. */
600     u8      mirroring;                      /* Mirroring (RAID-1) supp. */
601     u8      raid;                           /* RAID-4/5/10 supported */
602 } __attribute__((packed)) gdth_bfeat_str;
603 
604 /* board info IOCTL */
605 typedef struct {
606     u32     ser_no;                         /* serial no. */
607     u8      oem_id[2];                      /* OEM ID */
608     u16      ep_flags;                       /* eprom flags */
609     u32     proc_id;                        /* processor ID */
610     u32     memsize;                        /* memory size (bytes) */
611     u8      mem_banks;                      /* memory banks */
612     u8      chan_type;                      /* channel type */
613     u8      chan_count;                     /* channel count */
614     u8      rdongle_pres;                   /* dongle present? */
615     u32     epr_fw_ver;                     /* (eprom) firmware version */
616     u32     upd_fw_ver;                     /* (update) firmware version */
617     u32     upd_revision;                   /* update revision */
618     char        type_string[16];                /* controller name */
619     char        raid_string[16];                /* RAID firmware name */
620     u8      update_pres;                    /* update present? */
621     u8      xor_pres;                       /* XOR engine present? */
622     u8      prom_type;                      /* ROM type (eprom/flash) */
623     u8      prom_count;                     /* number of ROM devices */
624     u32     dup_pres;                       /* duplexing module present? */
625     u32     chan_pres;                      /* number of expansion chn. */
626     u32     mem_pres;                       /* memory expansion inst. ? */
627     u8      ft_bus_system;                  /* fault bus supported? */
628     u8      subtype_valid;                  /* board_subtype valid? */
629     u8      board_subtype;                  /* subtype/hardware level */
630     u8      ramparity_pres;                 /* RAM parity check hardware? */
631 } __attribute__((packed)) gdth_binfo_str;
632 
633 /* get host drive info */
634 typedef struct {
635     char        name[8];                        /* host drive name */
636     u32     size;                           /* size (sectors) */
637     u8      host_drive;                     /* host drive number */
638     u8      log_drive;                      /* log. drive (master) */
639     u8      reserved;
640     u8      rw_attribs;                     /* r/w attribs */
641     u32     start_sec;                      /* start sector */
642 } __attribute__((packed)) gdth_hentry_str;
643 
644 typedef struct {
645     u32     entries;                        /* entry count */
646     u32     offset;                         /* offset of entries */
647     u8      secs_p_head;                    /* sectors/head */
648     u8      heads_p_cyl;                    /* heads/cylinder */
649     u8      reserved;
650     u8      clust_drvtype;                  /* cluster drive type */
651     u32     location;                       /* controller number */
652     gdth_hentry_str entry[MAX_HDRIVES];         /* entries */
653 } __attribute__((packed)) gdth_hget_str;
654 
655 
656 /* DPRAM structures */
657 
658 /* interface area ISA/PCI */
659 typedef struct {
660     u8              S_Cmd_Indx;             /* special command */
661     u8 volatile     S_Status;               /* status special command */
662     u16              reserved1;
663     u32             S_Info[4];              /* add. info special command */
664     u8 volatile     Sema0;                  /* command semaphore */
665     u8              reserved2[3];
666     u8              Cmd_Index;              /* command number */
667     u8              reserved3[3];
668     u16 volatile     Status;                 /* command status */
669     u16              Service;                /* service(for async.events) */
670     u32             Info[2];                /* additional info */
671     struct {
672         u16          offset;                 /* command offs. in the DPRAM*/
673         u16          serv_id;                /* service */
674     } __attribute__((packed)) comm_queue[MAXOFFSETS];            /* command queue */
675     u32             bios_reserved[2];
676     u8              gdt_dpr_cmd[1];         /* commands */
677 } __attribute__((packed)) gdt_dpr_if;
678 
679 /* SRAM structure PCI controllers */
680 typedef struct {
681     u32     magic;                          /* controller ID from BIOS */
682     u16      need_deinit;                    /* switch betw. BIOS/driver */
683     u8      switch_support;                 /* see need_deinit */
684     u8      padding[9];
685     u8      os_used[16];                    /* OS code per service */
686     u8      unused[28];
687     u8      fw_magic;                       /* contr. ID from firmware */
688 } __attribute__((packed)) gdt_pci_sram;
689 
690 /* DPRAM ISA controllers */
691 typedef struct {
692     union {
693         struct {
694             u8      bios_used[0x3c00-32];   /* 15KB - 32Bytes BIOS */
695             u16      need_deinit;            /* switch betw. BIOS/driver */
696             u8      switch_support;         /* see need_deinit */
697             u8      padding[9];
698             u8      os_used[16];            /* OS code per service */
699         } __attribute__((packed)) dp_sram;
700         u8          bios_area[0x4000];      /* 16KB reserved for BIOS */
701     } bu;
702     union {
703         gdt_dpr_if      ic;                     /* interface area */
704         u8          if_area[0x3000];        /* 12KB for interface */
705     } u;
706     struct {
707         u8          memlock;                /* write protection DPRAM */
708         u8          event;                  /* release event */
709         u8          irqen;                  /* board interrupts enable */
710         u8          irqdel;                 /* acknowledge board int. */
711         u8 volatile Sema1;                  /* status semaphore */
712         u8          rq;                     /* IRQ/DRQ configuration */
713     } __attribute__((packed)) io;
714 } __attribute__((packed)) gdt2_dpram_str;
715 
716 /* DPRAM PCI controllers */
717 typedef struct {
718     union {
719         gdt_dpr_if      ic;                     /* interface area */
720         u8          if_area[0xff0-sizeof(gdt_pci_sram)];
721     } u;
722     gdt_pci_sram        gdt6sr;                 /* SRAM structure */
723     struct {
724         u8          unused0[1];
725         u8 volatile Sema1;                  /* command semaphore */
726         u8          unused1[3];
727         u8          irqen;                  /* board interrupts enable */
728         u8          unused2[2];
729         u8          event;                  /* release event */
730         u8          unused3[3];
731         u8          irqdel;                 /* acknowledge board int. */
732         u8          unused4[3];
733     } __attribute__((packed)) io;
734 } __attribute__((packed)) gdt6_dpram_str;
735 
736 /* PLX register structure (new PCI controllers) */
737 typedef struct {
738     u8              cfg_reg;        /* DPRAM cfg.(2:below 1MB,0:anywhere)*/
739     u8              unused1[0x3f];
740     u8 volatile     sema0_reg;              /* command semaphore */
741     u8 volatile     sema1_reg;              /* status semaphore */
742     u8              unused2[2];
743     u16 volatile     status;                 /* command status */
744     u16              service;                /* service */
745     u32             info[2];                /* additional info */
746     u8              unused3[0x10];
747     u8              ldoor_reg;              /* PCI to local doorbell */
748     u8              unused4[3];
749     u8 volatile     edoor_reg;              /* local to PCI doorbell */
750     u8              unused5[3];
751     u8              control0;               /* control0 register(unused) */
752     u8              control1;               /* board interrupts enable */
753     u8              unused6[0x16];
754 } __attribute__((packed)) gdt6c_plx_regs;
755 
756 /* DPRAM new PCI controllers */
757 typedef struct {
758     union {
759         gdt_dpr_if      ic;                     /* interface area */
760         u8          if_area[0x4000-sizeof(gdt_pci_sram)];
761     } u;
762     gdt_pci_sram        gdt6sr;                 /* SRAM structure */
763 } __attribute__((packed)) gdt6c_dpram_str;
764 
765 /* i960 register structure (PCI MPR controllers) */
766 typedef struct {
767     u8              unused1[16];
768     u8 volatile     sema0_reg;              /* command semaphore */
769     u8              unused2;
770     u8 volatile     sema1_reg;              /* status semaphore */
771     u8              unused3;
772     u16 volatile     status;                 /* command status */
773     u16              service;                /* service */
774     u32             info[2];                /* additional info */
775     u8              ldoor_reg;              /* PCI to local doorbell */
776     u8              unused4[11];
777     u8 volatile     edoor_reg;              /* local to PCI doorbell */
778     u8              unused5[7];
779     u8              edoor_en_reg;           /* board interrupts enable */
780     u8              unused6[27];
781     u32             unused7[939];
782     u32             severity;
783     char                evt_str[256];           /* event string */
784 } __attribute__((packed)) gdt6m_i960_regs;
785 
786 /* DPRAM PCI MPR controllers */
787 typedef struct {
788     gdt6m_i960_regs     i960r;                  /* 4KB i960 registers */
789     union {
790         gdt_dpr_if      ic;                     /* interface area */
791         u8          if_area[0x3000-sizeof(gdt_pci_sram)];
792     } u;
793     gdt_pci_sram        gdt6sr;                 /* SRAM structure */
794 } __attribute__((packed)) gdt6m_dpram_str;
795 
796 
797 /* PCI resources */
798 typedef struct {
799     struct pci_dev      *pdev;
800     unsigned long               dpmem;                  /* DPRAM address */
801     unsigned long               io;                     /* IO address */
802 } gdth_pci_str;
803 
804 
805 /* controller information structure */
806 typedef struct {
807     struct Scsi_Host    *shost;
808     struct list_head    list;
809     u16      	hanum;
810     u16              oem_id;                 /* OEM */
811     u16              type;                   /* controller class */
812     u32             stype;                  /* subtype (PCI: device ID) */
813     u16              fw_vers;                /* firmware version */
814     u16              cache_feat;             /* feat. cache serv. (s/g,..)*/
815     u16              raw_feat;               /* feat. raw service (s/g,..)*/
816     u16              screen_feat;            /* feat. raw service (s/g,..)*/
817     void __iomem        *brd;                   /* DPRAM address */
818     u32             brd_phys;               /* slot number/BIOS address */
819     gdt6c_plx_regs      *plx;                   /* PLX regs (new PCI contr.) */
820     gdth_cmd_str        cmdext;
821     gdth_cmd_str        *pccb;                  /* address command structure */
822     u32             ccb_phys;               /* phys. address */
823 #ifdef INT_COAL
824     gdth_coal_status    *coal_stat;             /* buffer for coalescing int.*/
825     u64             coal_stat_phys;         /* phys. address */
826 #endif
827     char                *pscratch;              /* scratch (DMA) buffer */
828     u64             scratch_phys;           /* phys. address */
829     u8              scratch_busy;           /* in use? */
830     u8              dma64_support;          /* 64-bit DMA supported? */
831     gdth_msg_str        *pmsg;                  /* message buffer */
832     u64             msg_phys;               /* phys. address */
833     u8              scan_mode;              /* current scan mode */
834     u8              irq;                    /* IRQ */
835     u8              drq;                    /* DRQ (ISA controllers) */
836     u16              status;                 /* command status */
837     u16              service;                /* service/firmware ver./.. */
838     u32             info;
839     u32             info2;                  /* additional info */
840     struct scsi_cmnd           *req_first;             /* top of request queue */
841     struct {
842         u8          present;                /* Flag: host drive present? */
843         u8          is_logdrv;              /* Flag: log. drive (master)? */
844         u8          is_arraydrv;            /* Flag: array drive? */
845         u8          is_master;              /* Flag: array drive master? */
846         u8          is_parity;              /* Flag: parity drive? */
847         u8          is_hotfix;              /* Flag: hotfix drive? */
848         u8          master_no;              /* number of master drive */
849         u8          lock;                   /* drive locked? (hot plug) */
850         u8          heads;                  /* mapping */
851         u8          secs;
852         u16          devtype;                /* further information */
853         u64         size;                   /* capacity */
854         u8          ldr_no;                 /* log. drive no. */
855         u8          rw_attribs;             /* r/w attributes */
856         u8          cluster_type;           /* cluster properties */
857         u8          media_changed;          /* Flag:MOUNT/UNMOUNT occurred */
858         u32         start_sec;              /* start sector */
859     } hdr[MAX_LDRIVES];                         /* host drives */
860     struct {
861         u8          lock;                   /* channel locked? (hot plug) */
862         u8          pdev_cnt;               /* physical device count */
863         u8          local_no;               /* local channel number */
864         u8          io_cnt[MAXID];          /* current IO count */
865         u32         address;                /* channel address */
866         u32         id_list[MAXID];         /* IDs of the phys. devices */
867     } raw[MAXBUS];                              /* SCSI channels */
868     struct {
869         struct scsi_cmnd       *cmnd;                  /* pending request */
870         u16          service;                /* service */
871     } cmd_tab[GDTH_MAXCMDS];                    /* table of pend. requests */
872     struct gdth_cmndinfo {                      /* per-command private info */
873         int index;
874         int internal_command;                   /* don't call scsi_done */
875         gdth_cmd_str *internal_cmd_str;         /* crier for internal messages*/
876         dma_addr_t sense_paddr;                 /* sense dma-addr */
877         u8 priority;
878 	int timeout_count;			/* # of timeout calls */
879         volatile int wait_for_completion;
880         u16 status;
881         u32 info;
882         enum dma_data_direction dma_dir;
883         int phase;                              /* ???? */
884         int OpCode;
885     } cmndinfo[GDTH_MAXCMDS];                   /* index==0 is free */
886     u8              bus_cnt;                /* SCSI bus count */
887     u8              tid_cnt;                /* Target ID count */
888     u8              bus_id[MAXBUS];         /* IOP IDs */
889     u8              virt_bus;               /* number of virtual bus */
890     u8              more_proc;              /* more /proc info supported */
891     u16              cmd_cnt;                /* command count in DPRAM */
892     u16              cmd_len;                /* length of actual command */
893     u16              cmd_offs_dpmem;         /* actual offset in DPRAM */
894     u16              ic_all_size;            /* sizeof DPRAM interf. area */
895     gdth_cpar_str       cpar;                   /* controller cache par. */
896     gdth_bfeat_str      bfeat;                  /* controller features */
897     gdth_binfo_str      binfo;                  /* controller info */
898     gdth_evt_data       dvr;                    /* event structure */
899     spinlock_t          smp_lock;
900     struct pci_dev      *pdev;
901     char                oem_name[8];
902 #ifdef GDTH_DMA_STATISTICS
903     unsigned long               dma32_cnt, dma64_cnt;   /* statistics: DMA buffer */
904 #endif
905     struct scsi_device         *sdev;
906 } gdth_ha_str;
907 
gdth_cmnd_priv(struct scsi_cmnd * cmd)908 static inline struct gdth_cmndinfo *gdth_cmnd_priv(struct scsi_cmnd* cmd)
909 {
910 	return (struct gdth_cmndinfo *)cmd->host_scribble;
911 }
912 
913 /* INQUIRY data format */
914 typedef struct {
915     u8      type_qual;
916     u8      modif_rmb;
917     u8      version;
918     u8      resp_aenc;
919     u8      add_length;
920     u8      reserved1;
921     u8      reserved2;
922     u8      misc;
923     u8      vendor[8];
924     u8      product[16];
925     u8      revision[4];
926 } __attribute__((packed)) gdth_inq_data;
927 
928 /* READ_CAPACITY data format */
929 typedef struct {
930     u32     last_block_no;
931     u32     block_length;
932 } __attribute__((packed)) gdth_rdcap_data;
933 
934 /* READ_CAPACITY (16) data format */
935 typedef struct {
936     u64     last_block_no;
937     u32     block_length;
938 } __attribute__((packed)) gdth_rdcap16_data;
939 
940 /* REQUEST_SENSE data format */
941 typedef struct {
942     u8      errorcode;
943     u8      segno;
944     u8      key;
945     u32     info;
946     u8      add_length;
947     u32     cmd_info;
948     u8      adsc;
949     u8      adsq;
950     u8      fruc;
951     u8      key_spec[3];
952 } __attribute__((packed)) gdth_sense_data;
953 
954 /* MODE_SENSE data format */
955 typedef struct {
956     struct {
957         u8  data_length;
958         u8  med_type;
959         u8  dev_par;
960         u8  bd_length;
961     } __attribute__((packed)) hd;
962     struct {
963         u8  dens_code;
964         u8  block_count[3];
965         u8  reserved;
966         u8  block_length[3];
967     } __attribute__((packed)) bd;
968 } __attribute__((packed)) gdth_modep_data;
969 
970 /* stack frame */
971 typedef struct {
972     unsigned long       b[10];                          /* 32/64 bit compiler ! */
973 } __attribute__((packed)) gdth_stackframe;
974 
975 
976 /* function prototyping */
977 
978 int gdth_show_info(struct seq_file *, struct Scsi_Host *);
979 int gdth_set_info(struct Scsi_Host *, char *, int);
980 
981 #endif
982