2 * $Id: gdth_proc.c,v 1.43 2006/01/11 16:15:00 achim Exp $
5 #include <linux/completion.h>
6 #include <linux/slab.h>
8 int gdth_set_info(struct Scsi_Host
*host
, char *buffer
, int length
)
10 gdth_ha_str
*ha
= shost_priv(host
);
11 int ret_val
= -EINVAL
;
13 TRACE2(("gdth_set_info() ha %d\n",ha
->hanum
,));
16 if (strncmp(buffer
,"gdth",4) == 0) {
19 ret_val
= gdth_set_asc_info(host
, buffer
, length
, ha
);
26 static int gdth_set_asc_info(struct Scsi_Host
*host
, char *buffer
,
27 int length
, gdth_ha_str
*ha
)
29 int orig_length
, drive
, wb_mode
;
35 char cmnd
[MAX_COMMAND_SIZE
];
36 memset(cmnd
, 0xff, 12);
37 memset(&gdtcmd
, 0, sizeof(gdth_cmd_str
));
39 TRACE2(("gdth_set_asc_info() ha %d\n",ha
->hanum
));
40 orig_length
= length
+ 5;
45 if (length
>= 5 && strncmp(buffer
,"flush",5)==0) {
48 if (length
&& *buffer
>='0' && *buffer
<='9') {
49 drive
= (int)(*buffer
-'0');
51 if (length
&& *buffer
>='0' && *buffer
<='9') {
52 drive
= drive
*10 + (int)(*buffer
-'0');
55 printk("GDT: Flushing host drive %d .. ",drive
);
57 printk("GDT: Flushing all host drives .. ");
59 for (i
= 0; i
< MAX_HDRIVES
; ++i
) {
60 if (ha
->hdr
[i
].present
) {
61 if (drive
!= -1 && i
!= drive
)
64 gdtcmd
.Service
= CACHESERVICE
;
65 gdtcmd
.OpCode
= GDT_FLUSH
;
66 if (ha
->cache_feat
& GDT_64BIT
) {
67 gdtcmd
.u
.cache64
.DeviceNo
= i
;
68 gdtcmd
.u
.cache64
.BlockNo
= 1;
70 gdtcmd
.u
.cache
.DeviceNo
= i
;
71 gdtcmd
.u
.cache
.BlockNo
= 1;
74 gdth_execute(host
, &gdtcmd
, cmnd
, 30, NULL
);
78 printk("\nNo host drive found !\n");
84 if (length
>= 7 && strncmp(buffer
,"wbp_off",7)==0) {
87 printk("GDT: Disabling write back permanently .. ");
89 } else if (length
>= 6 && strncmp(buffer
,"wbp_on",6)==0) {
92 printk("GDT: Enabling write back permanently .. ");
94 } else if (length
>= 6 && strncmp(buffer
,"wb_off",6)==0) {
97 printk("GDT: Disabling write back commands .. ");
98 if (ha
->cache_feat
& GDT_WR_THROUGH
) {
99 gdth_write_through
= TRUE
;
102 printk("Not supported !\n");
105 } else if (length
>= 5 && strncmp(buffer
,"wb_on",5)==0) {
108 printk("GDT: Enabling write back commands .. ");
109 gdth_write_through
= FALSE
;
115 if (!gdth_ioctl_alloc(ha
, sizeof(gdth_cpar_str
), TRUE
, &paddr
))
117 pcpar
= (gdth_cpar_str
*)ha
->pscratch
;
118 memcpy( pcpar
, &ha
->cpar
, sizeof(gdth_cpar_str
) );
119 gdtcmd
.Service
= CACHESERVICE
;
120 gdtcmd
.OpCode
= GDT_IOCTL
;
121 gdtcmd
.u
.ioctl
.p_param
= paddr
;
122 gdtcmd
.u
.ioctl
.param_size
= sizeof(gdth_cpar_str
);
123 gdtcmd
.u
.ioctl
.subfunc
= CACHE_CONFIG
;
124 gdtcmd
.u
.ioctl
.channel
= INVALID_CHANNEL
;
125 pcpar
->write_back
= wb_mode
==1 ? 0:1;
127 gdth_execute(host
, &gdtcmd
, cmnd
, 30, NULL
);
129 gdth_ioctl_free(ha
, GDTH_SCRATCH
, ha
->pscratch
, paddr
);
134 printk("GDT: Unknown command: %s Length: %d\n",buffer
,length
);
138 int gdth_show_info(struct seq_file
*m
, struct Scsi_Host
*host
)
140 gdth_ha_str
*ha
= shost_priv(host
);
142 int id
, i
, j
, k
, sec
, flag
;
143 int no_mdrv
= 0, drv_no
, is_mirr
;
148 gdth_cmd_str
*gdtcmd
;
154 gdth_dskstat_str
*pds
;
155 gdth_diskinfo_str
*pdi
;
156 gdth_arrayinf_str
*pai
;
157 gdth_defcnt_str
*pdef
;
158 gdth_cdrinfo_str
*pcdi
;
160 char cmnd
[MAX_COMMAND_SIZE
];
162 gdtcmd
= kmalloc(sizeof(*gdtcmd
), GFP_KERNEL
);
163 estr
= kmalloc(sizeof(*estr
), GFP_KERNEL
);
164 if (!gdtcmd
|| !estr
)
167 memset(cmnd
, 0xff, 12);
168 memset(gdtcmd
, 0, sizeof(gdth_cmd_str
));
170 TRACE2(("gdth_get_info() ha %d\n",ha
->hanum
));
173 /* request is i.e. "cat /proc/scsi/gdth/0" */
174 /* format: %-15s\t%-10s\t%-15s\t%s */
175 /* driver parameters */
176 seq_printf(m
, "Driver Parameters:\n");
177 if (reserve_list
[0] == 0xff)
180 hlen
= sprintf(hrec
, "%d", reserve_list
[0]);
181 for (i
= 1; i
< MAX_RES_ARGS
; i
++) {
182 if (reserve_list
[i
] == 0xff)
184 hlen
+= snprintf(hrec
+ hlen
, 161 - hlen
, ",%d", reserve_list
[i
]);
188 " reserve_mode: \t%d \treserve_list: \t%s\n",
191 " max_ids: \t%-3d \thdr_channel: \t%d\n",
192 max_ids
, hdr_channel
);
194 /* controller information */
195 seq_printf(m
,"\nDisk Array Controller Information:\n");
197 " Number: \t%d \tName: \t%s\n",
198 ha
->hanum
, ha
->binfo
.type_string
);
201 " Driver Ver.: \t%-10s\tFirmware Ver.: \t",
204 seq_printf(m
, "%d.%02d.%02d-%c%03X\n",
205 (u8
)(ha
->binfo
.upd_fw_ver
>>24),
206 (u8
)(ha
->binfo
.upd_fw_ver
>>16),
207 (u8
)(ha
->binfo
.upd_fw_ver
),
208 ha
->bfeat
.raid
? 'R':'N',
209 ha
->binfo
.upd_revision
);
211 seq_printf(m
, "%d.%02d\n", (u8
)(ha
->cpar
.version
>>8),
212 (u8
)(ha
->cpar
.version
));
215 /* more information: 1. about controller */
217 " Serial No.: \t0x%8X\tCache RAM size:\t%d KB\n",
218 ha
->binfo
.ser_no
, ha
->binfo
.memsize
/ 1024);
220 #ifdef GDTH_DMA_STATISTICS
221 /* controller statistics */
222 seq_printf(m
,"\nController Statistics:\n");
224 " 32-bit DMA buffer:\t%lu\t64-bit DMA buffer:\t%lu\n",
225 ha
->dma32_cnt
, ha
->dma64_cnt
);
229 /* more information: 2. about physical devices */
230 seq_printf(m
, "\nPhysical Devices:");
233 buf
= gdth_ioctl_alloc(ha
, GDTH_SCRATCH
, FALSE
, &paddr
);
236 for (i
= 0; i
< ha
->bus_cnt
; ++i
) {
237 /* 2.a statistics (and retries/reassigns) */
238 TRACE2(("pdr_statistics() chn %d\n",i
));
239 pds
= (gdth_dskstat_str
*)(buf
+ GDTH_SCRATCH
/4);
240 gdtcmd
->Service
= CACHESERVICE
;
241 gdtcmd
->OpCode
= GDT_IOCTL
;
242 gdtcmd
->u
.ioctl
.p_param
= paddr
+ GDTH_SCRATCH
/4;
243 gdtcmd
->u
.ioctl
.param_size
= 3*GDTH_SCRATCH
/4;
244 gdtcmd
->u
.ioctl
.subfunc
= DSK_STATISTICS
| L_CTRL_PATTERN
;
245 gdtcmd
->u
.ioctl
.channel
= ha
->raw
[i
].address
| INVALID_CHANNEL
;
246 pds
->bid
= ha
->raw
[i
].local_no
;
248 pds
->entries
= ha
->raw
[i
].pdev_cnt
;
249 cnt
= (3*GDTH_SCRATCH
/4 - 5 * sizeof(u32
)) /
250 sizeof(pds
->list
[0]);
251 if (pds
->entries
> cnt
)
254 if (gdth_execute(host
, gdtcmd
, cmnd
, 30, NULL
) != S_OK
)
257 /* other IOCTLs must fit into area GDTH_SCRATCH/4 */
258 for (j
= 0; j
< ha
->raw
[i
].pdev_cnt
; ++j
) {
260 TRACE2(("scsi_drv_info() chn %d dev %d\n",
261 i
, ha
->raw
[i
].id_list
[j
]));
262 pdi
= (gdth_diskinfo_str
*)buf
;
263 gdtcmd
->Service
= CACHESERVICE
;
264 gdtcmd
->OpCode
= GDT_IOCTL
;
265 gdtcmd
->u
.ioctl
.p_param
= paddr
;
266 gdtcmd
->u
.ioctl
.param_size
= sizeof(gdth_diskinfo_str
);
267 gdtcmd
->u
.ioctl
.subfunc
= SCSI_DR_INFO
| L_CTRL_PATTERN
;
268 gdtcmd
->u
.ioctl
.channel
=
269 ha
->raw
[i
].address
| ha
->raw
[i
].id_list
[j
];
271 if (gdth_execute(host
, gdtcmd
, cmnd
, 30, NULL
) == S_OK
) {
272 strncpy(hrec
,pdi
->vendor
,8);
273 strncpy(hrec
+8,pdi
->product
,16);
274 strncpy(hrec
+24,pdi
->revision
,4);
277 "\n Chn/ID/LUN: \t%c/%02d/%d \tName: \t%s\n",
278 'A'+i
,pdi
->target_id
,pdi
->lun
,hrec
);
280 pdi
->no_ldrive
&= 0xffff;
281 if (pdi
->no_ldrive
== 0xffff)
284 sprintf(hrec
,"%d",pdi
->no_ldrive
);
286 " Capacity [MB]:\t%-6d \tTo Log. Drive: \t%s\n",
287 pdi
->blkcnt
/(1024*1024/pdi
->blksize
),
293 if (pdi
->devtype
== 0) {
294 /* search retries/reassigns */
295 for (k
= 0; k
< pds
->count
; ++k
) {
296 if (pds
->list
[k
].tid
== pdi
->target_id
&&
297 pds
->list
[k
].lun
== pdi
->lun
) {
299 " Retries: \t%-6d \tReassigns: \t%d\n",
300 pds
->list
[k
].retries
,
301 pds
->list
[k
].reassigns
);
305 /* 2.c grown defects */
306 TRACE2(("scsi_drv_defcnt() chn %d dev %d\n",
307 i
, ha
->raw
[i
].id_list
[j
]));
308 pdef
= (gdth_defcnt_str
*)buf
;
309 gdtcmd
->Service
= CACHESERVICE
;
310 gdtcmd
->OpCode
= GDT_IOCTL
;
311 gdtcmd
->u
.ioctl
.p_param
= paddr
;
312 gdtcmd
->u
.ioctl
.param_size
= sizeof(gdth_defcnt_str
);
313 gdtcmd
->u
.ioctl
.subfunc
= SCSI_DEF_CNT
| L_CTRL_PATTERN
;
314 gdtcmd
->u
.ioctl
.channel
=
315 ha
->raw
[i
].address
| ha
->raw
[i
].id_list
[j
];
316 pdef
->sddc_type
= 0x08;
318 if (gdth_execute(host
, gdtcmd
, cmnd
, 30, NULL
) == S_OK
) {
320 " Grown Defects:\t%d\n",
326 gdth_ioctl_free(ha
, GDTH_SCRATCH
, buf
, paddr
);
329 seq_printf(m
, "\n --\n");
331 /* 3. about logical drives */
332 seq_printf(m
,"\nLogical Drives:");
335 buf
= gdth_ioctl_alloc(ha
, GDTH_SCRATCH
, FALSE
, &paddr
);
338 for (i
= 0; i
< MAX_LDRIVES
; ++i
) {
339 if (!ha
->hdr
[i
].is_logdrv
)
345 /* 3.a log. drive info */
346 TRACE2(("cache_drv_info() drive no %d\n",drv_no
));
347 pcdi
= (gdth_cdrinfo_str
*)buf
;
348 gdtcmd
->Service
= CACHESERVICE
;
349 gdtcmd
->OpCode
= GDT_IOCTL
;
350 gdtcmd
->u
.ioctl
.p_param
= paddr
;
351 gdtcmd
->u
.ioctl
.param_size
= sizeof(gdth_cdrinfo_str
);
352 gdtcmd
->u
.ioctl
.subfunc
= CACHE_DRV_INFO
;
353 gdtcmd
->u
.ioctl
.channel
= drv_no
;
354 if (gdth_execute(host
, gdtcmd
, cmnd
, 30, NULL
) != S_OK
)
356 pcdi
->ld_dtype
>>= 16;
358 if (pcdi
->ld_dtype
> 2) {
359 strcpy(hrec
, "missing");
360 } else if (pcdi
->ld_error
& 1) {
361 strcpy(hrec
, "fault");
362 } else if (pcdi
->ld_error
& 2) {
363 strcpy(hrec
, "invalid");
371 "\n Number: \t%-2d \tStatus: \t%s\n",
374 no_mdrv
= pcdi
->cd_ldcnt
;
375 if (no_mdrv
> 1 || pcdi
->ld_slave
!= -1) {
377 strcpy(hrec
, "RAID-1");
378 } else if (pcdi
->ld_dtype
== 0) {
379 strcpy(hrec
, "Disk");
380 } else if (pcdi
->ld_dtype
== 1) {
381 strcpy(hrec
, "RAID-0");
382 } else if (pcdi
->ld_dtype
== 2) {
383 strcpy(hrec
, "Chain");
388 " Capacity [MB]:\t%-6d \tType: \t%s\n",
389 pcdi
->ld_blkcnt
/(1024*1024/pcdi
->ld_blksize
),
393 " Slave Number: \t%-2d \tStatus: \t%s\n",
394 drv_no
& 0x7fff, hrec
);
396 drv_no
= pcdi
->ld_slave
;
397 } while (drv_no
!= -1);
401 " Missing Drv.: \t%-2d \tInvalid Drv.: \t%d\n",
404 if (!ha
->hdr
[i
].is_arraydrv
)
407 sprintf(hrec
, "%d", ha
->hdr
[i
].master_no
);
409 " To Array Drv.:\t%s\n", hrec
);
411 gdth_ioctl_free(ha
, GDTH_SCRATCH
, buf
, paddr
);
414 seq_printf(m
, "\n --\n");
416 /* 4. about array drives */
417 seq_printf(m
,"\nArray Drives:");
420 buf
= gdth_ioctl_alloc(ha
, GDTH_SCRATCH
, FALSE
, &paddr
);
423 for (i
= 0; i
< MAX_LDRIVES
; ++i
) {
424 if (!(ha
->hdr
[i
].is_arraydrv
&& ha
->hdr
[i
].is_master
))
426 /* 4.a array drive info */
427 TRACE2(("array_info() drive no %d\n",i
));
428 pai
= (gdth_arrayinf_str
*)buf
;
429 gdtcmd
->Service
= CACHESERVICE
;
430 gdtcmd
->OpCode
= GDT_IOCTL
;
431 gdtcmd
->u
.ioctl
.p_param
= paddr
;
432 gdtcmd
->u
.ioctl
.param_size
= sizeof(gdth_arrayinf_str
);
433 gdtcmd
->u
.ioctl
.subfunc
= ARRAY_INFO
| LA_CTRL_PATTERN
;
434 gdtcmd
->u
.ioctl
.channel
= i
;
435 if (gdth_execute(host
, gdtcmd
, cmnd
, 30, NULL
) == S_OK
) {
436 if (pai
->ai_state
== 0)
437 strcpy(hrec
, "idle");
438 else if (pai
->ai_state
== 2)
439 strcpy(hrec
, "build");
440 else if (pai
->ai_state
== 4)
441 strcpy(hrec
, "ready");
442 else if (pai
->ai_state
== 6)
443 strcpy(hrec
, "fail");
444 else if (pai
->ai_state
== 8 || pai
->ai_state
== 10)
445 strcpy(hrec
, "rebuild");
447 strcpy(hrec
, "error");
448 if (pai
->ai_ext_state
& 0x10)
449 strcat(hrec
, "/expand");
450 else if (pai
->ai_ext_state
& 0x1)
451 strcat(hrec
, "/patch");
453 "\n Number: \t%-2d \tStatus: \t%s\n",
457 if (pai
->ai_type
== 0)
458 strcpy(hrec
, "RAID-0");
459 else if (pai
->ai_type
== 4)
460 strcpy(hrec
, "RAID-4");
461 else if (pai
->ai_type
== 5)
462 strcpy(hrec
, "RAID-5");
464 strcpy(hrec
, "RAID-10");
466 " Capacity [MB]:\t%-6d \tType: \t%s\n",
467 pai
->ai_size
/(1024*1024/pai
->ai_secsize
),
471 gdth_ioctl_free(ha
, GDTH_SCRATCH
, buf
, paddr
);
474 seq_printf(m
, "\n --\n");
476 /* 5. about host drives */
477 seq_printf(m
,"\nHost Drives:");
480 buf
= gdth_ioctl_alloc(ha
, sizeof(gdth_hget_str
), FALSE
, &paddr
);
483 for (i
= 0; i
< MAX_LDRIVES
; ++i
) {
484 if (!ha
->hdr
[i
].is_logdrv
||
485 (ha
->hdr
[i
].is_arraydrv
&& !ha
->hdr
[i
].is_master
))
487 /* 5.a get host drive list */
488 TRACE2(("host_get() drv_no %d\n",i
));
489 phg
= (gdth_hget_str
*)buf
;
490 gdtcmd
->Service
= CACHESERVICE
;
491 gdtcmd
->OpCode
= GDT_IOCTL
;
492 gdtcmd
->u
.ioctl
.p_param
= paddr
;
493 gdtcmd
->u
.ioctl
.param_size
= sizeof(gdth_hget_str
);
494 gdtcmd
->u
.ioctl
.subfunc
= HOST_GET
| LA_CTRL_PATTERN
;
495 gdtcmd
->u
.ioctl
.channel
= i
;
496 phg
->entries
= MAX_HDRIVES
;
497 phg
->offset
= GDTOFFSOF(gdth_hget_str
, entry
[0]);
498 if (gdth_execute(host
, gdtcmd
, cmnd
, 30, NULL
) == S_OK
) {
499 ha
->hdr
[i
].ldr_no
= i
;
500 ha
->hdr
[i
].rw_attribs
= 0;
501 ha
->hdr
[i
].start_sec
= 0;
503 for (j
= 0; j
< phg
->entries
; ++j
) {
504 k
= phg
->entry
[j
].host_drive
;
505 if (k
>= MAX_LDRIVES
)
507 ha
->hdr
[k
].ldr_no
= phg
->entry
[j
].log_drive
;
508 ha
->hdr
[k
].rw_attribs
= phg
->entry
[j
].rw_attribs
;
509 ha
->hdr
[k
].start_sec
= phg
->entry
[j
].start_sec
;
513 gdth_ioctl_free(ha
, sizeof(gdth_hget_str
), buf
, paddr
);
515 for (i
= 0; i
< MAX_HDRIVES
; ++i
) {
516 if (!(ha
->hdr
[i
].present
))
520 "\n Number: \t%-2d \tArr/Log. Drive:\t%d\n",
521 i
, ha
->hdr
[i
].ldr_no
);
525 " Capacity [MB]:\t%-6d \tStart Sector: \t%d\n",
526 (u32
)(ha
->hdr
[i
].size
/2048), ha
->hdr
[i
].start_sec
);
530 seq_printf(m
, "\n --\n");
533 /* controller events */
534 seq_printf(m
,"\nController Events:\n");
537 id
= gdth_read_event(ha
, id
, estr
);
538 if (estr
->event_source
== 0)
540 if (estr
->event_data
.eu
.driver
.ionode
== ha
->hanum
&&
541 estr
->event_source
== ES_ASYNC
) {
542 gdth_log_event(&estr
->event_data
, hrec
);
543 do_gettimeofday(&tv
);
544 sec
= (int)(tv
.tv_sec
- estr
->first_stamp
);
545 if (sec
< 0) sec
= 0;
546 seq_printf(m
," date- %02d:%02d:%02d\t%s\n",
547 sec
/3600, sec
%3600/60, sec
%60, hrec
);
560 static char *gdth_ioctl_alloc(gdth_ha_str
*ha
, int size
, int scratch
,
569 spin_lock_irqsave(&ha
->smp_lock
, flags
);
571 if (!ha
->scratch_busy
&& size
<= GDTH_SCRATCH
) {
572 ha
->scratch_busy
= TRUE
;
573 ret_val
= ha
->pscratch
;
574 *paddr
= ha
->scratch_phys
;
575 } else if (scratch
) {
580 ret_val
= pci_alloc_consistent(ha
->pdev
, size
, &dma_addr
);
584 spin_unlock_irqrestore(&ha
->smp_lock
, flags
);
588 static void gdth_ioctl_free(gdth_ha_str
*ha
, int size
, char *buf
, u64 paddr
)
592 if (buf
== ha
->pscratch
) {
593 spin_lock_irqsave(&ha
->smp_lock
, flags
);
594 ha
->scratch_busy
= FALSE
;
595 spin_unlock_irqrestore(&ha
->smp_lock
, flags
);
597 pci_free_consistent(ha
->pdev
, size
, buf
, paddr
);
601 #ifdef GDTH_IOCTL_PROC
602 static int gdth_ioctl_check_bin(gdth_ha_str
*ha
, u16 size
)
607 spin_lock_irqsave(&ha
->smp_lock
, flags
);
610 if (ha
->scratch_busy
) {
611 if (((gdth_iord_str
*)ha
->pscratch
)->size
== (u32
)size
)
614 spin_unlock_irqrestore(&ha
->smp_lock
, flags
);
619 static void gdth_wait_completion(gdth_ha_str
*ha
, int busnum
, int id
)
624 struct gdth_cmndinfo
*cmndinfo
;
627 spin_lock_irqsave(&ha
->smp_lock
, flags
);
629 for (i
= 0; i
< GDTH_MAXCMDS
; ++i
) {
630 scp
= ha
->cmd_tab
[i
].cmnd
;
631 cmndinfo
= gdth_cmnd_priv(scp
);
633 b
= scp
->device
->channel
;
635 if (!SPECIAL_SCP(scp
) && t
== (u8
)id
&&
637 cmndinfo
->wait_for_completion
= 0;
638 spin_unlock_irqrestore(&ha
->smp_lock
, flags
);
639 while (!cmndinfo
->wait_for_completion
)
641 spin_lock_irqsave(&ha
->smp_lock
, flags
);
644 spin_unlock_irqrestore(&ha
->smp_lock
, flags
);
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