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  • only in /netgear-R7000-V1.0.7.12_1.2.5/components/opensource/linux/linux-2.6.36/drivers/scsi/
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 Exp $
14 */
15
16#include <linux/types.h>
17
18#ifndef TRUE
19#define TRUE 1
20#endif
21#ifndef FALSE
22#define FALSE 0
23#endif
24
25/* defines, macros */
26
27/* driver version */
28#define GDTH_VERSION_STR        "3.05"
29#define GDTH_VERSION            3
30#define GDTH_SUBVERSION         5
31
32/* protocol version */
33#define PROTOCOL_VERSION        1
34
35/* OEM IDs */
36#define OEM_ID_ICP      0x941c
37#define OEM_ID_INTEL    0x8000
38
39/* controller classes */
40#define GDT_ISA         0x01                    /* ISA controller */
41#define GDT_EISA        0x02                    /* EISA controller */
42#define GDT_PCI         0x03                    /* PCI controller */
43#define GDT_PCINEW      0x04                    /* new PCI controller */
44#define GDT_PCIMPR      0x05                    /* PCI MPR controller */
45/* GDT_EISA, controller subtypes EISA */
46#define GDT3_ID         0x0130941c              /* GDT3000/3020 */
47#define GDT3A_ID        0x0230941c              /* GDT3000A/3020A/3050A */
48#define GDT3B_ID        0x0330941c              /* GDT3000B/3010A */
49/* GDT_ISA */
50#define GDT2_ID         0x0120941c              /* GDT2000/2020 */
51
52/* vendor ID, device IDs (PCI) */
53/* these defines should already exist in <linux/pci.h> */
54#ifndef PCI_VENDOR_ID_VORTEX
55#define PCI_VENDOR_ID_VORTEX            0x1119  /* PCI controller vendor ID */
56#endif
57#ifndef PCI_VENDOR_ID_INTEL
58#define PCI_VENDOR_ID_INTEL             0x8086
59#endif
60
61#ifndef PCI_DEVICE_ID_VORTEX_GDT60x0
62/* GDT_PCI */
63#define PCI_DEVICE_ID_VORTEX_GDT60x0    0       /* GDT6000/6020/6050 */
64#define PCI_DEVICE_ID_VORTEX_GDT6000B   1       /* GDT6000B/6010 */
65/* GDT_PCINEW */
66#define PCI_DEVICE_ID_VORTEX_GDT6x10    2       /* GDT6110/6510 */
67#define PCI_DEVICE_ID_VORTEX_GDT6x20    3       /* GDT6120/6520 */
68#define PCI_DEVICE_ID_VORTEX_GDT6530    4       /* GDT6530 */
69#define PCI_DEVICE_ID_VORTEX_GDT6550    5       /* GDT6550 */
70/* GDT_PCINEW, wide/ultra SCSI controllers */
71#define PCI_DEVICE_ID_VORTEX_GDT6x17    6       /* GDT6117/6517 */
72#define PCI_DEVICE_ID_VORTEX_GDT6x27    7       /* GDT6127/6527 */
73#define PCI_DEVICE_ID_VORTEX_GDT6537    8       /* GDT6537 */
74#define PCI_DEVICE_ID_VORTEX_GDT6557    9       /* GDT6557/6557-ECC */
75/* GDT_PCINEW, wide SCSI controllers */
76#define PCI_DEVICE_ID_VORTEX_GDT6x15    10      /* GDT6115/6515 */
77#define PCI_DEVICE_ID_VORTEX_GDT6x25    11      /* GDT6125/6525 */
78#define PCI_DEVICE_ID_VORTEX_GDT6535    12      /* GDT6535 */
79#define PCI_DEVICE_ID_VORTEX_GDT6555    13      /* GDT6555/6555-ECC */
80#endif
81
82#ifndef PCI_DEVICE_ID_VORTEX_GDT6x17RP
83/* GDT_MPR, RP series, wide/ultra SCSI */
84#define PCI_DEVICE_ID_VORTEX_GDT6x17RP  0x100   /* GDT6117RP/GDT6517RP */
85#define PCI_DEVICE_ID_VORTEX_GDT6x27RP  0x101   /* GDT6127RP/GDT6527RP */
86#define PCI_DEVICE_ID_VORTEX_GDT6537RP  0x102   /* GDT6537RP */
87#define PCI_DEVICE_ID_VORTEX_GDT6557RP  0x103   /* GDT6557RP */
88/* GDT_MPR, RP series, narrow/ultra SCSI */
89#define PCI_DEVICE_ID_VORTEX_GDT6x11RP  0x104   /* GDT6111RP/GDT6511RP */
90#define PCI_DEVICE_ID_VORTEX_GDT6x21RP  0x105   /* GDT6121RP/GDT6521RP */
91#endif
92#ifndef PCI_DEVICE_ID_VORTEX_GDT6x17RD
93/* GDT_MPR, RD series, wide/ultra SCSI */
94#define PCI_DEVICE_ID_VORTEX_GDT6x17RD  0x110   /* GDT6117RD/GDT6517RD */
95#define PCI_DEVICE_ID_VORTEX_GDT6x27RD  0x111   /* GDT6127RD/GDT6527RD */
96#define PCI_DEVICE_ID_VORTEX_GDT6537RD  0x112   /* GDT6537RD */
97#define PCI_DEVICE_ID_VORTEX_GDT6557RD  0x113   /* GDT6557RD */
98/* GDT_MPR, RD series, narrow/ultra SCSI */
99#define PCI_DEVICE_ID_VORTEX_GDT6x11RD  0x114   /* GDT6111RD/GDT6511RD */
100#define PCI_DEVICE_ID_VORTEX_GDT6x21RD  0x115   /* GDT6121RD/GDT6521RD */
101/* GDT_MPR, RD series, wide/ultra2 SCSI */
102#define PCI_DEVICE_ID_VORTEX_GDT6x18RD  0x118   /* GDT6118RD/GDT6518RD/
103                                                   GDT6618RD */
104#define PCI_DEVICE_ID_VORTEX_GDT6x28RD  0x119   /* GDT6128RD/GDT6528RD/
105                                                   GDT6628RD */
106#define PCI_DEVICE_ID_VORTEX_GDT6x38RD  0x11A   /* GDT6538RD/GDT6638RD */
107#define PCI_DEVICE_ID_VORTEX_GDT6x58RD  0x11B   /* GDT6558RD/GDT6658RD */
108/* GDT_MPR, RN series (64-bit PCI), wide/ultra2 SCSI */
109#define PCI_DEVICE_ID_VORTEX_GDT7x18RN  0x168   /* GDT7118RN/GDT7518RN/
110                                                   GDT7618RN */
111#define PCI_DEVICE_ID_VORTEX_GDT7x28RN  0x169   /* GDT7128RN/GDT7528RN/
112                                                   GDT7628RN */
113#define PCI_DEVICE_ID_VORTEX_GDT7x38RN  0x16A   /* GDT7538RN/GDT7638RN */
114#define PCI_DEVICE_ID_VORTEX_GDT7x58RN  0x16B   /* GDT7558RN/GDT7658RN */
115#endif
116
117#ifndef PCI_DEVICE_ID_VORTEX_GDT6x19RD
118/* GDT_MPR, RD series, Fibre Channel */
119#define PCI_DEVICE_ID_VORTEX_GDT6x19RD  0x210   /* GDT6519RD/GDT6619RD */
120#define PCI_DEVICE_ID_VORTEX_GDT6x29RD  0x211   /* GDT6529RD/GDT6629RD */
121/* GDT_MPR, RN series (64-bit PCI), Fibre Channel */
122#define PCI_DEVICE_ID_VORTEX_GDT7x19RN  0x260   /* GDT7519RN/GDT7619RN */
123#define PCI_DEVICE_ID_VORTEX_GDT7x29RN  0x261   /* GDT7529RN/GDT7629RN */
124#endif
125
126#ifndef PCI_DEVICE_ID_VORTEX_GDTMAXRP
127/* GDT_MPR, last device ID */
128#define PCI_DEVICE_ID_VORTEX_GDTMAXRP   0x2ff
129#endif
130
131#ifndef PCI_DEVICE_ID_VORTEX_GDTNEWRX
132/* new GDT Rx Controller */
133#define PCI_DEVICE_ID_VORTEX_GDTNEWRX   0x300
134#endif
135
136#ifndef PCI_DEVICE_ID_VORTEX_GDTNEWRX2
137/* new(2) GDT Rx Controller */
138#define PCI_DEVICE_ID_VORTEX_GDTNEWRX2  0x301
139#endif
140
141#ifndef PCI_DEVICE_ID_INTEL_SRC
142/* Intel Storage RAID Controller */
143#define PCI_DEVICE_ID_INTEL_SRC         0x600
144#endif
145
146#ifndef PCI_DEVICE_ID_INTEL_SRC_XSCALE
147/* Intel Storage RAID Controller */
148#define PCI_DEVICE_ID_INTEL_SRC_XSCALE  0x601
149#endif
150
151/* limits */
152#define GDTH_SCRATCH    PAGE_SIZE               /* 4KB scratch buffer */
153#define GDTH_MAXCMDS    120
154#define GDTH_MAXC_P_L   16                      /* max. cmds per lun */
155#define GDTH_MAX_RAW    2                       /* max. cmds per raw device */
156#define MAXOFFSETS      128
157#define MAXHA           16
158#define MAXID           127
159#define MAXLUN          8
160#define MAXBUS          6
161#define MAX_EVENTS      100                     /* event buffer count */
162#define MAX_RES_ARGS    40                      /* device reservation,
163                                                   must be a multiple of 4 */
164#define MAXCYLS         1024
165#define HEADS           64
166#define SECS            32                      /* mapping 64*32 */
167#define MEDHEADS        127
168#define MEDSECS         63                      /* mapping 127*63 */
169#define BIGHEADS        255
170#define BIGSECS         63                      /* mapping 255*63 */
171
172/* special command ptr. */
173#define UNUSED_CMND     ((Scsi_Cmnd *)-1)
174#define INTERNAL_CMND   ((Scsi_Cmnd *)-2)
175#define SCREEN_CMND     ((Scsi_Cmnd *)-3)
176#define SPECIAL_SCP(p)  (p==UNUSED_CMND || p==INTERNAL_CMND || p==SCREEN_CMND)
177
178/* controller services */
179#define SCSIRAWSERVICE  3
180#define CACHESERVICE    9
181#define SCREENSERVICE   11
182
183/* screenservice defines */
184#define MSG_INV_HANDLE  -1                      /* special message handle */
185#define MSGLEN          16                      /* size of message text */
186#define MSG_SIZE        34                      /* size of message structure */
187#define MSG_REQUEST     0                       /* async. event: message */
188
189/* cacheservice defines */
190#define SECTOR_SIZE     0x200                   /* always 512 bytes per sec. */
191
192/* DPMEM constants */
193#define DPMEM_MAGIC     0xC0FFEE11
194#define IC_HEADER_BYTES 48
195#define IC_QUEUE_BYTES  4
196#define DPMEM_COMMAND_OFFSET    IC_HEADER_BYTES+IC_QUEUE_BYTES*MAXOFFSETS
197
198/* cluster_type constants */
199#define CLUSTER_DRIVE         1
200#define CLUSTER_MOUNTED       2
201#define CLUSTER_RESERVED      4
202#define CLUSTER_RESERVE_STATE (CLUSTER_DRIVE|CLUSTER_MOUNTED|CLUSTER_RESERVED)
203
204/* commands for all services, cache service */
205#define GDT_INIT        0                       /* service initialization */
206#define GDT_READ        1                       /* read command */
207#define GDT_WRITE       2                       /* write command */
208#define GDT_INFO        3                       /* information about devices */
209#define GDT_FLUSH       4                       /* flush dirty cache buffers */
210#define GDT_IOCTL       5                       /* ioctl command */
211#define GDT_DEVTYPE     9                       /* additional information */
212#define GDT_MOUNT       10                      /* mount cache device */
213#define GDT_UNMOUNT     11                      /* unmount cache device */
214#define GDT_SET_FEAT    12                      /* set feat. (scatter/gather) */
215#define GDT_GET_FEAT    13                      /* get features */
216#define GDT_WRITE_THR   16                      /* write through */
217#define GDT_READ_THR    17                      /* read through */
218#define GDT_EXT_INFO    18                      /* extended info */
219#define GDT_RESET       19                      /* controller reset */
220#define GDT_RESERVE_DRV 20                      /* reserve host drive */
221#define GDT_RELEASE_DRV 21                      /* release host drive */
222#define GDT_CLUST_INFO  22                      /* cluster info */
223#define GDT_RW_ATTRIBS  23                      /* R/W attribs (write thru,..)*/
224#define GDT_CLUST_RESET 24                      /* releases the cluster drives*/
225#define GDT_FREEZE_IO   25                      /* freezes all IOs */
226#define GDT_UNFREEZE_IO 26                      /* unfreezes all IOs */
227#define GDT_X_INIT_HOST 29                      /* ext. init: 64 bit support */
228#define GDT_X_INFO      30                      /* ext. info for drives>2TB */
229
230/* raw service commands */
231#define GDT_RESERVE     14                      /* reserve dev. to raw serv. */
232#define GDT_RELEASE     15                      /* release device */
233#define GDT_RESERVE_ALL 16                      /* reserve all devices */
234#define GDT_RELEASE_ALL 17                      /* release all devices */
235#define GDT_RESET_BUS   18                      /* reset bus */
236#define GDT_SCAN_START  19                      /* start device scan */
237#define GDT_SCAN_END    20                      /* stop device scan */
238#define GDT_X_INIT_RAW  21                      /* ext. init: 64 bit support */
239
240/* screen service commands */
241#define GDT_REALTIME    3                       /* realtime clock to screens. */
242#define GDT_X_INIT_SCR  4                       /* ext. init: 64 bit support */
243
244/* IOCTL command defines */
245#define SCSI_DR_INFO    0x00                    /* SCSI drive info */
246#define SCSI_CHAN_CNT   0x05                    /* SCSI channel count */
247#define SCSI_DR_LIST    0x06                    /* SCSI drive list */
248#define SCSI_DEF_CNT    0x15                    /* grown/primary defects */
249#define DSK_STATISTICS  0x4b                    /* SCSI disk statistics */
250#define IOCHAN_DESC     0x5d                    /* description of IO channel */
251#define IOCHAN_RAW_DESC 0x5e                    /* description of raw IO chn. */
252#define L_CTRL_PATTERN  0x20000000L             /* SCSI IOCTL mask */
253#define ARRAY_INFO      0x12                    /* array drive info */
254#define ARRAY_DRV_LIST  0x0f                    /* array drive list */
255#define ARRAY_DRV_LIST2 0x34                    /* array drive list (new) */
256#define LA_CTRL_PATTERN 0x10000000L             /* array IOCTL mask */
257#define CACHE_DRV_CNT   0x01                    /* cache drive count */
258#define CACHE_DRV_LIST  0x02                    /* cache drive list */
259#define CACHE_INFO      0x04                    /* cache info */
260#define CACHE_CONFIG    0x05                    /* cache configuration */
261#define CACHE_DRV_INFO  0x07                    /* cache drive info */
262#define BOARD_FEATURES  0x15                    /* controller features */
263#define BOARD_INFO      0x28                    /* controller info */
264#define SET_PERF_MODES  0x82                    /* set mode (coalescing,..) */
265#define GET_PERF_MODES  0x83                    /* get mode */
266#define CACHE_READ_OEM_STRING_RECORD 0x84       /* read OEM string record */
267#define HOST_GET        0x10001L                /* get host drive list */
268#define IO_CHANNEL      0x00020000L             /* default IO channel */
269#define INVALID_CHANNEL 0x0000ffffL             /* invalid channel */
270
271/* service errors */
272#define S_OK            1                       /* no error */
273#define S_GENERR        6                       /* general error */
274#define S_BSY           7                       /* controller busy */
275#define S_CACHE_UNKNOWN 12                      /* cache serv.: drive unknown */
276#define S_RAW_SCSI      12                      /* raw serv.: target error */
277#define S_RAW_ILL       0xff                    /* raw serv.: illegal */
278#define S_NOFUNC        -2                      /* unknown function */
279#define S_CACHE_RESERV  -24                     /* cache: reserv. conflict */
280
281/* timeout values */
282#define INIT_RETRIES    100000                  /* 100000 * 1ms = 100s */
283#define INIT_TIMEOUT    100000                  /* 100000 * 1ms = 100s */
284#define POLL_TIMEOUT    10000                   /* 10000 * 1ms = 10s */
285
286/* priorities */
287#define DEFAULT_PRI     0x20
288#define IOCTL_PRI       0x10
289#define HIGH_PRI        0x08
290
291/* data directions */
292#define GDTH_DATA_IN    0x01000000L             /* data from target */
293#define GDTH_DATA_OUT   0x00000000L             /* data to target */
294
295/* BMIC registers (EISA controllers) */
296#define ID0REG          0x0c80                  /* board ID */
297#define EINTENABREG     0x0c89                  /* interrupt enable */
298#define SEMA0REG        0x0c8a                  /* command semaphore */
299#define SEMA1REG        0x0c8b                  /* status semaphore */
300#define LDOORREG        0x0c8d                  /* local doorbell */
301#define EDENABREG       0x0c8e                  /* EISA system doorbell enab. */
302#define EDOORREG        0x0c8f                  /* EISA system doorbell */
303#define MAILBOXREG      0x0c90                  /* mailbox reg. (16 bytes) */
304#define EISAREG         0x0cc0                  /* EISA configuration */
305
306/* other defines */
307#define LINUX_OS        8                       /* used for cache optim. */
308#define SECS32          0x1f                    /* round capacity */
309#define BIOS_ID_OFFS    0x10                    /* offset contr-ID in ISABIOS */
310#define LOCALBOARD      0                       /* board node always 0 */
311#define ASYNCINDEX      0                       /* cmd index async. event */
312#define SPEZINDEX       1                       /* cmd index unknown service */
313#define COALINDEX       (GDTH_MAXCMDS + 2)
314
315/* features */
316#define SCATTER_GATHER  1                       /* s/g feature */
317#define GDT_WR_THROUGH  0x100                   /* WRITE_THROUGH supported */
318#define GDT_64BIT       0x200                   /* 64bit / drv>2TB support */
319
320#include "gdth_ioctl.h"
321
322/* screenservice message */
323typedef struct {
324    u32     msg_handle;                     /* message handle */
325    u32     msg_len;                        /* size of message */
326    u32     msg_alen;                       /* answer length */
327    u8      msg_answer;                     /* answer flag */
328    u8      msg_ext;                        /* more messages */
329    u8      msg_reserved[2];
330    char        msg_text[MSGLEN+2];             /* the message text */
331} __attribute__((packed)) gdth_msg_str;
332
333
334/* IOCTL data structures */
335
336/* Status coalescing buffer for returning multiple requests per interrupt */
337typedef struct {
338    u32     status;
339    u32     ext_status;
340    u32     info0;
341    u32     info1;
342} __attribute__((packed)) gdth_coal_status;
343
344/* performance mode data structure */
345typedef struct {
346    u32     version;            /* The version of this IOCTL structure. */
347    u32     st_mode;            /* 0=dis., 1=st_buf_addr1 valid, 2=both  */
348    u32     st_buff_addr1;      /* physical address of status buffer 1 */
349    u32     st_buff_u_addr1;    /* reserved for 64 bit addressing */
350    u32     st_buff_indx1;      /* reserved command idx. for this buffer */
351    u32     st_buff_addr2;      /* physical address of status buffer 1 */
352    u32     st_buff_u_addr2;    /* reserved for 64 bit addressing */
353    u32     st_buff_indx2;      /* reserved command idx. for this buffer */
354    u32     st_buff_size;       /* size of each buffer in bytes */
355    u32     cmd_mode;           /* 0 = mode disabled, 1 = cmd_buff_addr1 */
356    u32     cmd_buff_addr1;     /* physical address of cmd buffer 1 */
357    u32     cmd_buff_u_addr1;   /* reserved for 64 bit addressing */
358    u32     cmd_buff_indx1;     /* cmd buf addr1 unique identifier */
359    u32     cmd_buff_addr2;     /* physical address of cmd buffer 1 */
360    u32     cmd_buff_u_addr2;   /* reserved for 64 bit addressing */
361    u32     cmd_buff_indx2;     /* cmd buf addr1 unique identifier */
362    u32     cmd_buff_size;      /* size of each cmd bufer in bytes */
363    u32     reserved1;
364    u32     reserved2;
365} __attribute__((packed)) gdth_perf_modes;
366
367/* SCSI drive info */
368typedef struct {
369    u8      vendor[8];                      /* vendor string */
370    u8      product[16];                    /* product string */
371    u8      revision[4];                    /* revision */
372    u32     sy_rate;                        /* current rate for sync. tr. */
373    u32     sy_max_rate;                    /* max. rate for sync. tr. */
374    u32     no_ldrive;                      /* belongs to this log. drv.*/
375    u32     blkcnt;                         /* number of blocks */
376    u16      blksize;                        /* size of block in bytes */
377    u8      available;                      /* flag: access is available */
378    u8      init;                           /* medium is initialized */
379    u8      devtype;                        /* SCSI devicetype */
380    u8      rm_medium;                      /* medium is removable */
381    u8      wp_medium;                      /* medium is write protected */
382    u8      ansi;                           /* SCSI I/II or III? */
383    u8      protocol;                       /* same as ansi */
384    u8      sync;                           /* flag: sync. transfer enab. */
385    u8      disc;                           /* flag: disconnect enabled */
386    u8      queueing;                       /* flag: command queing enab. */
387    u8      cached;                         /* flag: caching enabled */
388    u8      target_id;                      /* target ID of device */
389    u8      lun;                            /* LUN id of device */
390    u8      orphan;                         /* flag: drive fragment */
391    u32     last_error;                     /* sense key or drive state */
392    u32     last_result;                    /* result of last command */
393    u32     check_errors;                   /* err. in last surface check */
394    u8      percent;                        /* progress for surface check */
395    u8      last_check;                     /* IOCTRL operation */
396    u8      res[2];
397    u32     flags;                          /* from 1.19/2.19: raw reserv.*/
398    u8      multi_bus;                      /* multi bus dev? (fibre ch.) */
399    u8      mb_status;                      /* status: available? */
400    u8      res2[2];
401    u8      mb_alt_status;                  /* status on second bus */
402    u8      mb_alt_bid;                     /* number of second bus */
403    u8      mb_alt_tid;                     /* target id on second bus */
404    u8      res3;
405    u8      fc_flag;                        /* from 1.22/2.22: info valid?*/
406    u8      res4;
407    u16      fc_frame_size;                  /* frame size (bytes) */
408    char        wwn[8];                         /* world wide name */
409} __attribute__((packed)) gdth_diskinfo_str;
410
411/* get SCSI channel count  */
412typedef struct {
413    u32     channel_no;                     /* number of channel */
414    u32     drive_cnt;                      /* drive count */
415    u8      siop_id;                        /* SCSI processor ID */
416    u8      siop_state;                     /* SCSI processor state */
417} __attribute__((packed)) gdth_getch_str;
418
419/* get SCSI drive numbers */
420typedef struct {
421    u32     sc_no;                          /* SCSI channel */
422    u32     sc_cnt;                         /* sc_list[] elements */
423    u32     sc_list[MAXID];                 /* minor device numbers */
424} __attribute__((packed)) gdth_drlist_str;
425
426/* get grown/primary defect count */
427typedef struct {
428    u8      sddc_type;                      /* 0x08: grown, 0x10: prim. */
429    u8      sddc_format;                    /* list entry format */
430    u8      sddc_len;                       /* list entry length */
431    u8      sddc_res;
432    u32     sddc_cnt;                       /* entry count */
433} __attribute__((packed)) gdth_defcnt_str;
434
435/* disk statistics */
436typedef struct {
437    u32     bid;                            /* SCSI channel */
438    u32     first;                          /* first SCSI disk */
439    u32     entries;                        /* number of elements */
440    u32     count;                          /* (R) number of init. el. */
441    u32     mon_time;                       /* time stamp */
442    struct {
443        u8  tid;                            /* target ID */
444        u8  lun;                            /* LUN */
445        u8  res[2];
446        u32 blk_size;                       /* block size in bytes */
447        u32 rd_count;                       /* bytes read */
448        u32 wr_count;                       /* bytes written */
449        u32 rd_blk_count;                   /* blocks read */
450        u32 wr_blk_count;                   /* blocks written */
451        u32 retries;                        /* retries */
452        u32 reassigns;                      /* reassigns */
453    } __attribute__((packed)) list[1];
454} __attribute__((packed)) gdth_dskstat_str;
455
456/* IO channel header */
457typedef struct {
458    u32     version;                        /* version (-1UL: newest) */
459    u8      list_entries;                   /* list entry count */
460    u8      first_chan;                     /* first channel number */
461    u8      last_chan;                      /* last channel number */
462    u8      chan_count;                     /* (R) channel count */
463    u32     list_offset;                    /* offset of list[0] */
464} __attribute__((packed)) gdth_iochan_header;
465
466/* get IO channel description */
467typedef struct {
468    gdth_iochan_header  hdr;
469    struct {
470        u32         address;                /* channel address */
471        u8          type;                   /* type (SCSI, FCAL) */
472        u8          local_no;               /* local number */
473        u16          features;               /* channel features */
474    } __attribute__((packed)) list[MAXBUS];
475} __attribute__((packed)) gdth_iochan_str;
476
477/* get raw IO channel description */
478typedef struct {
479    gdth_iochan_header  hdr;
480    struct {
481        u8      proc_id;                    /* processor id */
482        u8      proc_defect;                /* defect ? */
483        u8      reserved[2];
484    } __attribute__((packed)) list[MAXBUS];
485} __attribute__((packed)) gdth_raw_iochan_str;
486
487/* array drive component */
488typedef struct {
489    u32     al_controller;                  /* controller ID */
490    u8      al_cache_drive;                 /* cache drive number */
491    u8      al_status;                      /* cache drive state */
492    u8      al_res[2];
493} __attribute__((packed)) gdth_arraycomp_str;
494
495/* array drive information */
496typedef struct {
497    u8      ai_type;                        /* array type (RAID0,4,5) */
498    u8      ai_cache_drive_cnt;             /* active cachedrives */
499    u8      ai_state;                       /* array drive state */
500    u8      ai_master_cd;                   /* master cachedrive */
501    u32     ai_master_controller;           /* ID of master controller */
502    u32     ai_size;                        /* user capacity [sectors] */
503    u32     ai_striping_size;               /* striping size [sectors] */
504    u32     ai_secsize;                     /* sector size [bytes] */
505    u32     ai_err_info;                    /* failed cache drive */
506    u8      ai_name[8];                     /* name of the array drive */
507    u8      ai_controller_cnt;              /* number of controllers */
508    u8      ai_removable;                   /* flag: removable */
509    u8      ai_write_protected;             /* flag: write protected */
510    u8      ai_devtype;                     /* type: always direct access */
511    gdth_arraycomp_str  ai_drives[35];          /* drive components: */
512    u8      ai_drive_entries;               /* number of drive components */
513    u8      ai_protected;                   /* protection flag */
514    u8      ai_verify_state;                /* state of a parity verify */
515    u8      ai_ext_state;                   /* extended array drive state */
516    u8      ai_expand_state;                /* array expand state (>=2.18)*/
517    u8      ai_reserved[3];
518} __attribute__((packed)) gdth_arrayinf_str;
519
520/* get array drive list */
521typedef struct {
522    u32     controller_no;                  /* controller no. */
523    u8      cd_handle;                      /* master cachedrive */
524    u8      is_arrayd;                      /* Flag: is array drive? */
525    u8      is_master;                      /* Flag: is array master? */
526    u8      is_parity;                      /* Flag: is parity drive? */
527    u8      is_hotfix;                      /* Flag: is hotfix drive? */
528    u8      res[3];
529} __attribute__((packed)) gdth_alist_str;
530
531typedef struct {
532    u32     entries_avail;                  /* allocated entries */
533    u32     entries_init;                   /* returned entries */
534    u32     first_entry;                    /* first entry number */
535    u32     list_offset;                    /* offset of following list */
536    gdth_alist_str list[1];                     /* list */
537} __attribute__((packed)) gdth_arcdl_str;
538
539/* cache info/config IOCTL */
540typedef struct {
541    u32     version;                        /* firmware version */
542    u16      state;                          /* cache state (on/off) */
543    u16      strategy;                       /* cache strategy */
544    u16      write_back;                     /* write back state (on/off) */
545    u16      block_size;                     /* cache block size */
546} __attribute__((packed)) gdth_cpar_str;
547
548typedef struct {
549    u32     csize;                          /* cache size */
550    u32     read_cnt;                       /* read/write counter */
551    u32     write_cnt;
552    u32     tr_hits;                        /* hits */
553    u32     sec_hits;
554    u32     sec_miss;                       /* misses */
555} __attribute__((packed)) gdth_cstat_str;
556
557typedef struct {
558    gdth_cpar_str   cpar;
559    gdth_cstat_str  cstat;
560} __attribute__((packed)) gdth_cinfo_str;
561
562/* cache drive info */
563typedef struct {
564    u8      cd_name[8];                     /* cache drive name */
565    u32     cd_devtype;                     /* SCSI devicetype */
566    u32     cd_ldcnt;                       /* number of log. drives */
567    u32     cd_last_error;                  /* last error */
568    u8      cd_initialized;                 /* drive is initialized */
569    u8      cd_removable;                   /* media is removable */
570    u8      cd_write_protected;             /* write protected */
571    u8      cd_flags;                       /* Pool Hot Fix? */
572    u32     ld_blkcnt;                      /* number of blocks */
573    u32     ld_blksize;                     /* blocksize */
574    u32     ld_dcnt;                        /* number of disks */
575    u32     ld_slave;                       /* log. drive index */
576    u32     ld_dtype;                       /* type of logical drive */
577    u32     ld_last_error;                  /* last error */
578    u8      ld_name[8];                     /* log. drive name */
579    u8      ld_error;                       /* error */
580} __attribute__((packed)) gdth_cdrinfo_str;
581
582/* OEM string */
583typedef struct {
584    u32     ctl_version;
585    u32     file_major_version;
586    u32     file_minor_version;
587    u32     buffer_size;
588    u32     cpy_count;
589    u32     ext_error;
590    u32     oem_id;
591    u32     board_id;
592} __attribute__((packed)) gdth_oem_str_params;
593
594typedef struct {
595    u8      product_0_1_name[16];
596    u8      product_4_5_name[16];
597    u8      product_cluster_name[16];
598    u8      product_reserved[16];
599    u8      scsi_cluster_target_vendor_id[16];
600    u8      cluster_raid_fw_name[16];
601    u8      oem_brand_name[16];
602    u8      oem_raid_type[16];
603    u8      bios_type[13];
604    u8      bios_title[50];
605    u8      oem_company_name[37];
606    u32     pci_id_1;
607    u32     pci_id_2;
608    u8      validation_status[80];
609    u8      reserved_1[4];
610    u8      scsi_host_drive_inquiry_vendor_id[16];
611    u8      library_file_template[16];
612    u8      reserved_2[16];
613    u8      tool_name_1[32];
614    u8      tool_name_2[32];
615    u8      tool_name_3[32];
616    u8      oem_contact_1[84];
617    u8      oem_contact_2[84];
618    u8      oem_contact_3[84];
619} __attribute__((packed)) gdth_oem_str;
620
621typedef struct {
622    gdth_oem_str_params params;
623    gdth_oem_str        text;
624} __attribute__((packed)) gdth_oem_str_ioctl;
625
626/* board features */
627typedef struct {
628    u8      chaining;                       /* Chaining supported */
629    u8      striping;                       /* Striping (RAID-0) supp. */
630    u8      mirroring;                      /* Mirroring (RAID-1) supp. */
631    u8      raid;                           /* RAID-4/5/10 supported */
632} __attribute__((packed)) gdth_bfeat_str;
633
634/* board info IOCTL */
635typedef struct {
636    u32     ser_no;                         /* serial no. */
637    u8      oem_id[2];                      /* OEM ID */
638    u16      ep_flags;                       /* eprom flags */
639    u32     proc_id;                        /* processor ID */
640    u32     memsize;                        /* memory size (bytes) */
641    u8      mem_banks;                      /* memory banks */
642    u8      chan_type;                      /* channel type */
643    u8      chan_count;                     /* channel count */
644    u8      rdongle_pres;                   /* dongle present? */
645    u32     epr_fw_ver;                     /* (eprom) firmware version */
646    u32     upd_fw_ver;                     /* (update) firmware version */
647    u32     upd_revision;                   /* update revision */
648    char        type_string[16];                /* controller name */
649    char        raid_string[16];                /* RAID firmware name */
650    u8      update_pres;                    /* update present? */
651    u8      xor_pres;                       /* XOR engine present? */
652    u8      prom_type;                      /* ROM type (eprom/flash) */
653    u8      prom_count;                     /* number of ROM devices */
654    u32     dup_pres;                       /* duplexing module present? */
655    u32     chan_pres;                      /* number of expansion chn. */
656    u32     mem_pres;                       /* memory expansion inst. ? */
657    u8      ft_bus_system;                  /* fault bus supported? */
658    u8      subtype_valid;                  /* board_subtype valid? */
659    u8      board_subtype;                  /* subtype/hardware level */
660    u8      ramparity_pres;                 /* RAM parity check hardware? */
661} __attribute__((packed)) gdth_binfo_str;
662
663/* get host drive info */
664typedef struct {
665    char        name[8];                        /* host drive name */
666    u32     size;                           /* size (sectors) */
667    u8      host_drive;                     /* host drive number */
668    u8      log_drive;                      /* log. drive (master) */
669    u8      reserved;
670    u8      rw_attribs;                     /* r/w attribs */
671    u32     start_sec;                      /* start sector */
672} __attribute__((packed)) gdth_hentry_str;
673
674typedef struct {
675    u32     entries;                        /* entry count */
676    u32     offset;                         /* offset of entries */
677    u8      secs_p_head;                    /* sectors/head */
678    u8      heads_p_cyl;                    /* heads/cylinder */
679    u8      reserved;
680    u8      clust_drvtype;                  /* cluster drive type */
681    u32     location;                       /* controller number */
682    gdth_hentry_str entry[MAX_HDRIVES];         /* entries */
683} __attribute__((packed)) gdth_hget_str;
684
685
686/* DPRAM structures */
687
688/* interface area ISA/PCI */
689typedef struct {
690    u8              S_Cmd_Indx;             /* special command */
691    u8 volatile     S_Status;               /* status special command */
692    u16              reserved1;
693    u32             S_Info[4];              /* add. info special command */
694    u8 volatile     Sema0;                  /* command semaphore */
695    u8              reserved2[3];
696    u8              Cmd_Index;              /* command number */
697    u8              reserved3[3];
698    u16 volatile     Status;                 /* command status */
699    u16              Service;                /* service(for async.events) */
700    u32             Info[2];                /* additional info */
701    struct {
702        u16          offset;                 /* command offs. in the DPRAM*/
703        u16          serv_id;                /* service */
704    } __attribute__((packed)) comm_queue[MAXOFFSETS];            /* command queue */
705    u32             bios_reserved[2];
706    u8              gdt_dpr_cmd[1];         /* commands */
707} __attribute__((packed)) gdt_dpr_if;
708
709/* SRAM structure PCI controllers */
710typedef struct {
711    u32     magic;                          /* controller ID from BIOS */
712    u16      need_deinit;                    /* switch betw. BIOS/driver */
713    u8      switch_support;                 /* see need_deinit */
714    u8      padding[9];
715    u8      os_used[16];                    /* OS code per service */
716    u8      unused[28];
717    u8      fw_magic;                       /* contr. ID from firmware */
718} __attribute__((packed)) gdt_pci_sram;
719
720/* SRAM structure EISA controllers (but NOT GDT3000/3020) */
721typedef struct {
722    u8      os_used[16];                    /* OS code per service */
723    u16      need_deinit;                    /* switch betw. BIOS/driver */
724    u8      switch_support;                 /* see need_deinit */
725    u8      padding;
726} __attribute__((packed)) gdt_eisa_sram;
727
728
729/* DPRAM ISA controllers */
730typedef struct {
731    union {
732        struct {
733            u8      bios_used[0x3c00-32];   /* 15KB - 32Bytes BIOS */
734            u32     magic;                  /* controller (EISA) ID */
735            u16      need_deinit;            /* switch betw. BIOS/driver */
736            u8      switch_support;         /* see need_deinit */
737            u8      padding[9];
738            u8      os_used[16];            /* OS code per service */
739        } __attribute__((packed)) dp_sram;
740        u8          bios_area[0x4000];      /* 16KB reserved for BIOS */
741    } bu;
742    union {
743        gdt_dpr_if      ic;                     /* interface area */
744        u8          if_area[0x3000];        /* 12KB for interface */
745    } u;
746    struct {
747        u8          memlock;                /* write protection DPRAM */
748        u8          event;                  /* release event */
749        u8          irqen;                  /* board interrupts enable */
750        u8          irqdel;                 /* acknowledge board int. */
751        u8 volatile Sema1;                  /* status semaphore */
752        u8          rq;                     /* IRQ/DRQ configuration */
753    } __attribute__((packed)) io;
754} __attribute__((packed)) gdt2_dpram_str;
755
756/* DPRAM PCI controllers */
757typedef struct {
758    union {
759        gdt_dpr_if      ic;                     /* interface area */
760        u8          if_area[0xff0-sizeof(gdt_pci_sram)];
761    } u;
762    gdt_pci_sram        gdt6sr;                 /* SRAM structure */
763    struct {
764        u8          unused0[1];
765        u8 volatile Sema1;                  /* command semaphore */
766        u8          unused1[3];
767        u8          irqen;                  /* board interrupts enable */
768        u8          unused2[2];
769        u8          event;                  /* release event */
770        u8          unused3[3];
771        u8          irqdel;                 /* acknowledge board int. */
772        u8          unused4[3];
773    } __attribute__((packed)) io;
774} __attribute__((packed)) gdt6_dpram_str;
775
776/* PLX register structure (new PCI controllers) */
777typedef struct {
778    u8              cfg_reg;        /* DPRAM cfg.(2:below 1MB,0:anywhere)*/
779    u8              unused1[0x3f];
780    u8 volatile     sema0_reg;              /* command semaphore */
781    u8 volatile     sema1_reg;              /* status semaphore */
782    u8              unused2[2];
783    u16 volatile     status;                 /* command status */
784    u16              service;                /* service */
785    u32             info[2];                /* additional info */
786    u8              unused3[0x10];
787    u8              ldoor_reg;              /* PCI to local doorbell */
788    u8              unused4[3];
789    u8 volatile     edoor_reg;              /* local to PCI doorbell */
790    u8              unused5[3];
791    u8              control0;               /* control0 register(unused) */
792    u8              control1;               /* board interrupts enable */
793    u8              unused6[0x16];
794} __attribute__((packed)) gdt6c_plx_regs;
795
796/* DPRAM new PCI controllers */
797typedef struct {
798    union {
799        gdt_dpr_if      ic;                     /* interface area */
800        u8          if_area[0x4000-sizeof(gdt_pci_sram)];
801    } u;
802    gdt_pci_sram        gdt6sr;                 /* SRAM structure */
803} __attribute__((packed)) gdt6c_dpram_str;
804
805/* i960 register structure (PCI MPR controllers) */
806typedef struct {
807    u8              unused1[16];
808    u8 volatile     sema0_reg;              /* command semaphore */
809    u8              unused2;
810    u8 volatile     sema1_reg;              /* status semaphore */
811    u8              unused3;
812    u16 volatile     status;                 /* command status */
813    u16              service;                /* service */
814    u32             info[2];                /* additional info */
815    u8              ldoor_reg;              /* PCI to local doorbell */
816    u8              unused4[11];
817    u8 volatile     edoor_reg;              /* local to PCI doorbell */
818    u8              unused5[7];
819    u8              edoor_en_reg;           /* board interrupts enable */
820    u8              unused6[27];
821    u32             unused7[939];
822    u32             severity;
823    char                evt_str[256];           /* event string */
824} __attribute__((packed)) gdt6m_i960_regs;
825
826/* DPRAM PCI MPR controllers */
827typedef struct {
828    gdt6m_i960_regs     i960r;                  /* 4KB i960 registers */
829    union {
830        gdt_dpr_if      ic;                     /* interface area */
831        u8          if_area[0x3000-sizeof(gdt_pci_sram)];
832    } u;
833    gdt_pci_sram        gdt6sr;                 /* SRAM structure */
834} __attribute__((packed)) gdt6m_dpram_str;
835
836
837/* PCI resources */
838typedef struct {
839    struct pci_dev      *pdev;
840    unsigned long               dpmem;                  /* DPRAM address */
841    unsigned long               io;                     /* IO address */
842} gdth_pci_str;
843
844
845/* controller information structure */
846typedef struct {
847    struct Scsi_Host    *shost;
848    struct list_head    list;
849    u16      	hanum;
850    u16              oem_id;                 /* OEM */
851    u16              type;                   /* controller class */
852    u32             stype;                  /* subtype (PCI: device ID) */
853    u16              fw_vers;                /* firmware version */
854    u16              cache_feat;             /* feat. cache serv. (s/g,..)*/
855    u16              raw_feat;               /* feat. raw service (s/g,..)*/
856    u16              screen_feat;            /* feat. raw service (s/g,..)*/
857    u16              bmic;                   /* BMIC address (EISA) */
858    void __iomem        *brd;                   /* DPRAM address */
859    u32             brd_phys;               /* slot number/BIOS address */
860    gdt6c_plx_regs      *plx;                   /* PLX regs (new PCI contr.) */
861    gdth_cmd_str        cmdext;
862    gdth_cmd_str        *pccb;                  /* address command structure */
863    u32             ccb_phys;               /* phys. address */
864#ifdef INT_COAL
865    gdth_coal_status    *coal_stat;             /* buffer for coalescing int.*/
866    u64             coal_stat_phys;         /* phys. address */
867#endif
868    char                *pscratch;              /* scratch (DMA) buffer */
869    u64             scratch_phys;           /* phys. address */
870    u8              scratch_busy;           /* in use? */
871    u8              dma64_support;          /* 64-bit DMA supported? */
872    gdth_msg_str        *pmsg;                  /* message buffer */
873    u64             msg_phys;               /* phys. address */
874    u8              scan_mode;              /* current scan mode */
875    u8              irq;                    /* IRQ */
876    u8              drq;                    /* DRQ (ISA controllers) */
877    u16              status;                 /* command status */
878    u16              service;                /* service/firmware ver./.. */
879    u32             info;
880    u32             info2;                  /* additional info */
881    Scsi_Cmnd           *req_first;             /* top of request queue */
882    struct {
883        u8          present;                /* Flag: host drive present? */
884        u8          is_logdrv;              /* Flag: log. drive (master)? */
885        u8          is_arraydrv;            /* Flag: array drive? */
886        u8          is_master;              /* Flag: array drive master? */
887        u8          is_parity;              /* Flag: parity drive? */
888        u8          is_hotfix;              /* Flag: hotfix drive? */
889        u8          master_no;              /* number of master drive */
890        u8          lock;                   /* drive locked? (hot plug) */
891        u8          heads;                  /* mapping */
892        u8          secs;
893        u16          devtype;                /* further information */
894        u64         size;                   /* capacity */
895        u8          ldr_no;                 /* log. drive no. */
896        u8          rw_attribs;             /* r/w attributes */
897        u8          cluster_type;           /* cluster properties */
898        u8          media_changed;          /* Flag:MOUNT/UNMOUNT occured */
899        u32         start_sec;              /* start sector */
900    } hdr[MAX_LDRIVES];                         /* host drives */
901    struct {
902        u8          lock;                   /* channel locked? (hot plug) */
903        u8          pdev_cnt;               /* physical device count */
904        u8          local_no;               /* local channel number */
905        u8          io_cnt[MAXID];          /* current IO count */
906        u32         address;                /* channel address */
907        u32         id_list[MAXID];         /* IDs of the phys. devices */
908    } raw[MAXBUS];                              /* SCSI channels */
909    struct {
910        Scsi_Cmnd       *cmnd;                  /* pending request */
911        u16          service;                /* service */
912    } cmd_tab[GDTH_MAXCMDS];                    /* table of pend. requests */
913    struct gdth_cmndinfo {                      /* per-command private info */
914        int index;
915        int internal_command;                   /* don't call scsi_done */
916        gdth_cmd_str *internal_cmd_str;         /* crier for internal messages*/
917        dma_addr_t sense_paddr;                 /* sense dma-addr */
918        u8 priority;
919	int timeout_count;			/* # of timeout calls */
920        volatile int wait_for_completion;
921        u16 status;
922        u32 info;
923        enum dma_data_direction dma_dir;
924        int phase;                              /* ???? */
925        int OpCode;
926    } cmndinfo[GDTH_MAXCMDS];                   /* index==0 is free */
927    u8              bus_cnt;                /* SCSI bus count */
928    u8              tid_cnt;                /* Target ID count */
929    u8              bus_id[MAXBUS];         /* IOP IDs */
930    u8              virt_bus;               /* number of virtual bus */
931    u8              more_proc;              /* more /proc info supported */
932    u16              cmd_cnt;                /* command count in DPRAM */
933    u16              cmd_len;                /* length of actual command */
934    u16              cmd_offs_dpmem;         /* actual offset in DPRAM */
935    u16              ic_all_size;            /* sizeof DPRAM interf. area */
936    gdth_cpar_str       cpar;                   /* controller cache par. */
937    gdth_bfeat_str      bfeat;                  /* controller features */
938    gdth_binfo_str      binfo;                  /* controller info */
939    gdth_evt_data       dvr;                    /* event structure */
940    spinlock_t          smp_lock;
941    struct pci_dev      *pdev;
942    char                oem_name[8];
943#ifdef GDTH_DMA_STATISTICS
944    unsigned long               dma32_cnt, dma64_cnt;   /* statistics: DMA buffer */
945#endif
946    struct scsi_device         *sdev;
947} gdth_ha_str;
948
949static inline struct gdth_cmndinfo *gdth_cmnd_priv(struct scsi_cmnd* cmd)
950{
951	return (struct gdth_cmndinfo *)cmd->host_scribble;
952}
953
954/* INQUIRY data format */
955typedef struct {
956    u8      type_qual;
957    u8      modif_rmb;
958    u8      version;
959    u8      resp_aenc;
960    u8      add_length;
961    u8      reserved1;
962    u8      reserved2;
963    u8      misc;
964    u8      vendor[8];
965    u8      product[16];
966    u8      revision[4];
967} __attribute__((packed)) gdth_inq_data;
968
969/* READ_CAPACITY data format */
970typedef struct {
971    u32     last_block_no;
972    u32     block_length;
973} __attribute__((packed)) gdth_rdcap_data;
974
975/* READ_CAPACITY (16) data format */
976typedef struct {
977    u64     last_block_no;
978    u32     block_length;
979} __attribute__((packed)) gdth_rdcap16_data;
980
981/* REQUEST_SENSE data format */
982typedef struct {
983    u8      errorcode;
984    u8      segno;
985    u8      key;
986    u32     info;
987    u8      add_length;
988    u32     cmd_info;
989    u8      adsc;
990    u8      adsq;
991    u8      fruc;
992    u8      key_spec[3];
993} __attribute__((packed)) gdth_sense_data;
994
995/* MODE_SENSE data format */
996typedef struct {
997    struct {
998        u8  data_length;
999        u8  med_type;
1000        u8  dev_par;
1001        u8  bd_length;
1002    } __attribute__((packed)) hd;
1003    struct {
1004        u8  dens_code;
1005        u8  block_count[3];
1006        u8  reserved;
1007        u8  block_length[3];
1008    } __attribute__((packed)) bd;
1009} __attribute__((packed)) gdth_modep_data;
1010
1011/* stack frame */
1012typedef struct {
1013    unsigned long       b[10];                          /* 32/64 bit compiler ! */
1014} __attribute__((packed)) gdth_stackframe;
1015
1016
1017/* function prototyping */
1018
1019int gdth_proc_info(struct Scsi_Host *, char *,char **,off_t,int,int);
1020
1021#endif
1022