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_proc_info(struct Scsi_Host
*host
, char *buffer
,char **start
,off_t offset
,int length
,
11 gdth_ha_str
*ha
= shost_priv(host
);
13 TRACE2(("gdth_proc_info() length %d offs %d inout %d\n",
14 length
,(int)offset
,inout
));
17 return(gdth_set_info(buffer
,length
,host
,ha
));
19 return(gdth_get_info(buffer
,start
,offset
,length
,host
,ha
));
22 static int gdth_set_info(char *buffer
,int length
,struct Scsi_Host
*host
,
25 int ret_val
= -EINVAL
;
27 TRACE2(("gdth_set_info() ha %d\n",ha
->hanum
,));
30 if (strncmp(buffer
,"gdth",4) == 0) {
33 ret_val
= gdth_set_asc_info(host
, buffer
, length
, ha
);
40 static int gdth_set_asc_info(struct Scsi_Host
*host
, char *buffer
,
41 int length
, gdth_ha_str
*ha
)
43 int orig_length
, drive
, wb_mode
;
49 char cmnd
[MAX_COMMAND_SIZE
];
50 memset(cmnd
, 0xff, 12);
51 memset(&gdtcmd
, 0, sizeof(gdth_cmd_str
));
53 TRACE2(("gdth_set_asc_info() ha %d\n",ha
->hanum
));
54 orig_length
= length
+ 5;
59 if (length
>= 5 && strncmp(buffer
,"flush",5)==0) {
62 if (length
&& *buffer
>='0' && *buffer
<='9') {
63 drive
= (int)(*buffer
-'0');
65 if (length
&& *buffer
>='0' && *buffer
<='9') {
66 drive
= drive
*10 + (int)(*buffer
-'0');
69 printk("GDT: Flushing host drive %d .. ",drive
);
71 printk("GDT: Flushing all host drives .. ");
73 for (i
= 0; i
< MAX_HDRIVES
; ++i
) {
74 if (ha
->hdr
[i
].present
) {
75 if (drive
!= -1 && i
!= drive
)
78 gdtcmd
.Service
= CACHESERVICE
;
79 gdtcmd
.OpCode
= GDT_FLUSH
;
80 if (ha
->cache_feat
& GDT_64BIT
) {
81 gdtcmd
.u
.cache64
.DeviceNo
= i
;
82 gdtcmd
.u
.cache64
.BlockNo
= 1;
84 gdtcmd
.u
.cache
.DeviceNo
= i
;
85 gdtcmd
.u
.cache
.BlockNo
= 1;
88 gdth_execute(host
, &gdtcmd
, cmnd
, 30, NULL
);
92 printk("\nNo host drive found !\n");
98 if (length
>= 7 && strncmp(buffer
,"wbp_off",7)==0) {
101 printk("GDT: Disabling write back permanently .. ");
103 } else if (length
>= 6 && strncmp(buffer
,"wbp_on",6)==0) {
106 printk("GDT: Enabling write back permanently .. ");
108 } else if (length
>= 6 && strncmp(buffer
,"wb_off",6)==0) {
111 printk("GDT: Disabling write back commands .. ");
112 if (ha
->cache_feat
& GDT_WR_THROUGH
) {
113 gdth_write_through
= TRUE
;
116 printk("Not supported !\n");
119 } else if (length
>= 5 && strncmp(buffer
,"wb_on",5)==0) {
122 printk("GDT: Enabling write back commands .. ");
123 gdth_write_through
= FALSE
;
129 if (!gdth_ioctl_alloc(ha
, sizeof(gdth_cpar_str
), TRUE
, &paddr
))
131 pcpar
= (gdth_cpar_str
*)ha
->pscratch
;
132 memcpy( pcpar
, &ha
->cpar
, sizeof(gdth_cpar_str
) );
133 gdtcmd
.Service
= CACHESERVICE
;
134 gdtcmd
.OpCode
= GDT_IOCTL
;
135 gdtcmd
.u
.ioctl
.p_param
= paddr
;
136 gdtcmd
.u
.ioctl
.param_size
= sizeof(gdth_cpar_str
);
137 gdtcmd
.u
.ioctl
.subfunc
= CACHE_CONFIG
;
138 gdtcmd
.u
.ioctl
.channel
= INVALID_CHANNEL
;
139 pcpar
->write_back
= wb_mode
==1 ? 0:1;
141 gdth_execute(host
, &gdtcmd
, cmnd
, 30, NULL
);
143 gdth_ioctl_free(ha
, GDTH_SCRATCH
, ha
->pscratch
, paddr
);
148 printk("GDT: Unknown command: %s Length: %d\n",buffer
,length
);
152 static int gdth_get_info(char *buffer
,char **start
,off_t offset
,int length
,
153 struct Scsi_Host
*host
, gdth_ha_str
*ha
)
155 int size
= 0,len
= 0;
157 off_t begin
= 0,pos
= 0;
158 int id
, i
, j
, k
, sec
, flag
;
159 int no_mdrv
= 0, drv_no
, is_mirr
;
164 gdth_cmd_str
*gdtcmd
;
170 gdth_dskstat_str
*pds
;
171 gdth_diskinfo_str
*pdi
;
172 gdth_arrayinf_str
*pai
;
173 gdth_defcnt_str
*pdef
;
174 gdth_cdrinfo_str
*pcdi
;
176 char cmnd
[MAX_COMMAND_SIZE
];
178 gdtcmd
= kmalloc(sizeof(*gdtcmd
), GFP_KERNEL
);
179 estr
= kmalloc(sizeof(*estr
), GFP_KERNEL
);
180 if (!gdtcmd
|| !estr
)
183 memset(cmnd
, 0xff, 12);
184 memset(gdtcmd
, 0, sizeof(gdth_cmd_str
));
186 TRACE2(("gdth_get_info() ha %d\n",ha
->hanum
));
189 /* request is i.e. "cat /proc/scsi/gdth/0" */
190 /* format: %-15s\t%-10s\t%-15s\t%s */
191 /* driver parameters */
192 size
= sprintf(buffer
+len
,"Driver Parameters:\n");
193 len
+= size
; pos
= begin
+ len
;
194 if (reserve_list
[0] == 0xff)
197 hlen
= sprintf(hrec
, "%d", reserve_list
[0]);
198 for (i
= 1; i
< MAX_RES_ARGS
; i
++) {
199 if (reserve_list
[i
] == 0xff)
201 hlen
+= snprintf(hrec
+ hlen
, 161 - hlen
, ",%d", reserve_list
[i
]);
204 size
= sprintf(buffer
+len
,
205 " reserve_mode: \t%d \treserve_list: \t%s\n",
207 len
+= size
; pos
= begin
+ len
;
208 size
= sprintf(buffer
+len
,
209 " max_ids: \t%-3d \thdr_channel: \t%d\n",
210 max_ids
, hdr_channel
);
211 len
+= size
; pos
= begin
+ len
;
213 /* controller information */
214 size
= sprintf(buffer
+len
,"\nDisk Array Controller Information:\n");
215 len
+= size
; pos
= begin
+ len
;
216 strcpy(hrec
, ha
->binfo
.type_string
);
217 size
= sprintf(buffer
+len
,
218 " Number: \t%d \tName: \t%s\n",
220 len
+= size
; pos
= begin
+ len
;
223 sprintf(hrec
, "%d.%02d.%02d-%c%03X",
224 (u8
)(ha
->binfo
.upd_fw_ver
>>24),
225 (u8
)(ha
->binfo
.upd_fw_ver
>>16),
226 (u8
)(ha
->binfo
.upd_fw_ver
),
227 ha
->bfeat
.raid
? 'R':'N',
228 ha
->binfo
.upd_revision
);
230 sprintf(hrec
, "%d.%02d", (u8
)(ha
->cpar
.version
>>8),
231 (u8
)(ha
->cpar
.version
));
233 size
= sprintf(buffer
+len
,
234 " Driver Ver.: \t%-10s\tFirmware Ver.: \t%s\n",
235 GDTH_VERSION_STR
, hrec
);
236 len
+= size
; pos
= begin
+ len
;
239 /* more information: 1. about controller */
240 size
= sprintf(buffer
+len
,
241 " Serial No.: \t0x%8X\tCache RAM size:\t%d KB\n",
242 ha
->binfo
.ser_no
, ha
->binfo
.memsize
/ 1024);
243 len
+= size
; pos
= begin
+ len
;
246 #ifdef GDTH_DMA_STATISTICS
247 /* controller statistics */
248 size
= sprintf(buffer
+len
,"\nController Statistics:\n");
249 len
+= size
; pos
= begin
+ len
;
250 size
= sprintf(buffer
+len
,
251 " 32-bit DMA buffer:\t%lu\t64-bit DMA buffer:\t%lu\n",
252 ha
->dma32_cnt
, ha
->dma64_cnt
);
253 len
+= size
; pos
= begin
+ len
;
260 if (pos
> offset
+ length
)
264 /* more information: 2. about physical devices */
265 size
= sprintf(buffer
+len
,"\nPhysical Devices:");
266 len
+= size
; pos
= begin
+ len
;
269 buf
= gdth_ioctl_alloc(ha
, GDTH_SCRATCH
, FALSE
, &paddr
);
272 for (i
= 0; i
< ha
->bus_cnt
; ++i
) {
273 /* 2.a statistics (and retries/reassigns) */
274 TRACE2(("pdr_statistics() chn %d\n",i
));
275 pds
= (gdth_dskstat_str
*)(buf
+ GDTH_SCRATCH
/4);
276 gdtcmd
->Service
= CACHESERVICE
;
277 gdtcmd
->OpCode
= GDT_IOCTL
;
278 gdtcmd
->u
.ioctl
.p_param
= paddr
+ GDTH_SCRATCH
/4;
279 gdtcmd
->u
.ioctl
.param_size
= 3*GDTH_SCRATCH
/4;
280 gdtcmd
->u
.ioctl
.subfunc
= DSK_STATISTICS
| L_CTRL_PATTERN
;
281 gdtcmd
->u
.ioctl
.channel
= ha
->raw
[i
].address
| INVALID_CHANNEL
;
282 pds
->bid
= ha
->raw
[i
].local_no
;
284 pds
->entries
= ha
->raw
[i
].pdev_cnt
;
285 cnt
= (3*GDTH_SCRATCH
/4 - 5 * sizeof(u32
)) /
286 sizeof(pds
->list
[0]);
287 if (pds
->entries
> cnt
)
290 if (gdth_execute(host
, gdtcmd
, cmnd
, 30, NULL
) != S_OK
)
293 /* other IOCTLs must fit into area GDTH_SCRATCH/4 */
294 for (j
= 0; j
< ha
->raw
[i
].pdev_cnt
; ++j
) {
296 TRACE2(("scsi_drv_info() chn %d dev %d\n",
297 i
, ha
->raw
[i
].id_list
[j
]));
298 pdi
= (gdth_diskinfo_str
*)buf
;
299 gdtcmd
->Service
= CACHESERVICE
;
300 gdtcmd
->OpCode
= GDT_IOCTL
;
301 gdtcmd
->u
.ioctl
.p_param
= paddr
;
302 gdtcmd
->u
.ioctl
.param_size
= sizeof(gdth_diskinfo_str
);
303 gdtcmd
->u
.ioctl
.subfunc
= SCSI_DR_INFO
| L_CTRL_PATTERN
;
304 gdtcmd
->u
.ioctl
.channel
=
305 ha
->raw
[i
].address
| ha
->raw
[i
].id_list
[j
];
307 if (gdth_execute(host
, gdtcmd
, cmnd
, 30, NULL
) == S_OK
) {
308 strncpy(hrec
,pdi
->vendor
,8);
309 strncpy(hrec
+8,pdi
->product
,16);
310 strncpy(hrec
+24,pdi
->revision
,4);
312 size
= sprintf(buffer
+len
,
313 "\n Chn/ID/LUN: \t%c/%02d/%d \tName: \t%s\n",
314 'A'+i
,pdi
->target_id
,pdi
->lun
,hrec
);
315 len
+= size
; pos
= begin
+ len
;
317 pdi
->no_ldrive
&= 0xffff;
318 if (pdi
->no_ldrive
== 0xffff)
321 sprintf(hrec
,"%d",pdi
->no_ldrive
);
322 size
= sprintf(buffer
+len
,
323 " Capacity [MB]:\t%-6d \tTo Log. Drive: \t%s\n",
324 pdi
->blkcnt
/(1024*1024/pdi
->blksize
),
326 len
+= size
; pos
= begin
+ len
;
331 if (pdi
->devtype
== 0) {
332 /* search retries/reassigns */
333 for (k
= 0; k
< pds
->count
; ++k
) {
334 if (pds
->list
[k
].tid
== pdi
->target_id
&&
335 pds
->list
[k
].lun
== pdi
->lun
) {
336 size
= sprintf(buffer
+len
,
337 " Retries: \t%-6d \tReassigns: \t%d\n",
338 pds
->list
[k
].retries
,
339 pds
->list
[k
].reassigns
);
340 len
+= size
; pos
= begin
+ len
;
344 /* 2.c grown defects */
345 TRACE2(("scsi_drv_defcnt() chn %d dev %d\n",
346 i
, ha
->raw
[i
].id_list
[j
]));
347 pdef
= (gdth_defcnt_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_defcnt_str
);
352 gdtcmd
->u
.ioctl
.subfunc
= SCSI_DEF_CNT
| L_CTRL_PATTERN
;
353 gdtcmd
->u
.ioctl
.channel
=
354 ha
->raw
[i
].address
| ha
->raw
[i
].id_list
[j
];
355 pdef
->sddc_type
= 0x08;
357 if (gdth_execute(host
, gdtcmd
, cmnd
, 30, NULL
) == S_OK
) {
358 size
= sprintf(buffer
+len
,
359 " Grown Defects:\t%d\n",
361 len
+= size
; pos
= begin
+ len
;
368 if (pos
> offset
+ length
) {
369 gdth_ioctl_free(ha
, GDTH_SCRATCH
, buf
, paddr
);
374 gdth_ioctl_free(ha
, GDTH_SCRATCH
, buf
, paddr
);
377 size
= sprintf(buffer
+len
, "\n --\n");
378 len
+= size
; pos
= begin
+ len
;
381 /* 3. about logical drives */
382 size
= sprintf(buffer
+len
,"\nLogical Drives:");
383 len
+= size
; pos
= begin
+ len
;
386 buf
= gdth_ioctl_alloc(ha
, GDTH_SCRATCH
, FALSE
, &paddr
);
389 for (i
= 0; i
< MAX_LDRIVES
; ++i
) {
390 if (!ha
->hdr
[i
].is_logdrv
)
396 /* 3.a log. drive info */
397 TRACE2(("cache_drv_info() drive no %d\n",drv_no
));
398 pcdi
= (gdth_cdrinfo_str
*)buf
;
399 gdtcmd
->Service
= CACHESERVICE
;
400 gdtcmd
->OpCode
= GDT_IOCTL
;
401 gdtcmd
->u
.ioctl
.p_param
= paddr
;
402 gdtcmd
->u
.ioctl
.param_size
= sizeof(gdth_cdrinfo_str
);
403 gdtcmd
->u
.ioctl
.subfunc
= CACHE_DRV_INFO
;
404 gdtcmd
->u
.ioctl
.channel
= drv_no
;
405 if (gdth_execute(host
, gdtcmd
, cmnd
, 30, NULL
) != S_OK
)
407 pcdi
->ld_dtype
>>= 16;
409 if (pcdi
->ld_dtype
> 2) {
410 strcpy(hrec
, "missing");
411 } else if (pcdi
->ld_error
& 1) {
412 strcpy(hrec
, "fault");
413 } else if (pcdi
->ld_error
& 2) {
414 strcpy(hrec
, "invalid");
421 size
= sprintf(buffer
+len
,
422 "\n Number: \t%-2d \tStatus: \t%s\n",
424 len
+= size
; pos
= begin
+ len
;
426 no_mdrv
= pcdi
->cd_ldcnt
;
427 if (no_mdrv
> 1 || pcdi
->ld_slave
!= -1) {
429 strcpy(hrec
, "RAID-1");
430 } else if (pcdi
->ld_dtype
== 0) {
431 strcpy(hrec
, "Disk");
432 } else if (pcdi
->ld_dtype
== 1) {
433 strcpy(hrec
, "RAID-0");
434 } else if (pcdi
->ld_dtype
== 2) {
435 strcpy(hrec
, "Chain");
439 size
= sprintf(buffer
+len
,
440 " Capacity [MB]:\t%-6d \tType: \t%s\n",
441 pcdi
->ld_blkcnt
/(1024*1024/pcdi
->ld_blksize
),
443 len
+= size
; pos
= begin
+ len
;
445 size
= sprintf(buffer
+len
,
446 " Slave Number: \t%-2d \tStatus: \t%s\n",
447 drv_no
& 0x7fff, hrec
);
448 len
+= size
; pos
= begin
+ len
;
450 drv_no
= pcdi
->ld_slave
;
455 if (pos
> offset
+ length
) {
456 gdth_ioctl_free(ha
, GDTH_SCRATCH
, buf
, paddr
);
459 } while (drv_no
!= -1);
462 size
= sprintf(buffer
+len
,
463 " Missing Drv.: \t%-2d \tInvalid Drv.: \t%d\n",
465 len
+= size
; pos
= begin
+ len
;
468 if (!ha
->hdr
[i
].is_arraydrv
)
471 sprintf(hrec
, "%d", ha
->hdr
[i
].master_no
);
472 size
= sprintf(buffer
+len
,
473 " To Array Drv.:\t%s\n", hrec
);
474 len
+= size
; pos
= begin
+ len
;
479 if (pos
> offset
+ length
) {
480 gdth_ioctl_free(ha
, GDTH_SCRATCH
, buf
, paddr
);
484 gdth_ioctl_free(ha
, GDTH_SCRATCH
, buf
, paddr
);
487 size
= sprintf(buffer
+len
, "\n --\n");
488 len
+= size
; pos
= begin
+ len
;
491 /* 4. about array drives */
492 size
= sprintf(buffer
+len
,"\nArray Drives:");
493 len
+= size
; pos
= begin
+ len
;
496 buf
= gdth_ioctl_alloc(ha
, GDTH_SCRATCH
, FALSE
, &paddr
);
499 for (i
= 0; i
< MAX_LDRIVES
; ++i
) {
500 if (!(ha
->hdr
[i
].is_arraydrv
&& ha
->hdr
[i
].is_master
))
502 /* 4.a array drive info */
503 TRACE2(("array_info() drive no %d\n",i
));
504 pai
= (gdth_arrayinf_str
*)buf
;
505 gdtcmd
->Service
= CACHESERVICE
;
506 gdtcmd
->OpCode
= GDT_IOCTL
;
507 gdtcmd
->u
.ioctl
.p_param
= paddr
;
508 gdtcmd
->u
.ioctl
.param_size
= sizeof(gdth_arrayinf_str
);
509 gdtcmd
->u
.ioctl
.subfunc
= ARRAY_INFO
| LA_CTRL_PATTERN
;
510 gdtcmd
->u
.ioctl
.channel
= i
;
511 if (gdth_execute(host
, gdtcmd
, cmnd
, 30, NULL
) == S_OK
) {
512 if (pai
->ai_state
== 0)
513 strcpy(hrec
, "idle");
514 else if (pai
->ai_state
== 2)
515 strcpy(hrec
, "build");
516 else if (pai
->ai_state
== 4)
517 strcpy(hrec
, "ready");
518 else if (pai
->ai_state
== 6)
519 strcpy(hrec
, "fail");
520 else if (pai
->ai_state
== 8 || pai
->ai_state
== 10)
521 strcpy(hrec
, "rebuild");
523 strcpy(hrec
, "error");
524 if (pai
->ai_ext_state
& 0x10)
525 strcat(hrec
, "/expand");
526 else if (pai
->ai_ext_state
& 0x1)
527 strcat(hrec
, "/patch");
528 size
= sprintf(buffer
+len
,
529 "\n Number: \t%-2d \tStatus: \t%s\n",
531 len
+= size
; pos
= begin
+ len
;
534 if (pai
->ai_type
== 0)
535 strcpy(hrec
, "RAID-0");
536 else if (pai
->ai_type
== 4)
537 strcpy(hrec
, "RAID-4");
538 else if (pai
->ai_type
== 5)
539 strcpy(hrec
, "RAID-5");
541 strcpy(hrec
, "RAID-10");
542 size
= sprintf(buffer
+len
,
543 " Capacity [MB]:\t%-6d \tType: \t%s\n",
544 pai
->ai_size
/(1024*1024/pai
->ai_secsize
),
546 len
+= size
; pos
= begin
+ len
;
551 if (pos
> offset
+ length
) {
552 gdth_ioctl_free(ha
, GDTH_SCRATCH
, buf
, paddr
);
557 gdth_ioctl_free(ha
, GDTH_SCRATCH
, buf
, paddr
);
560 size
= sprintf(buffer
+len
, "\n --\n");
561 len
+= size
; pos
= begin
+ len
;
564 /* 5. about host drives */
565 size
= sprintf(buffer
+len
,"\nHost Drives:");
566 len
+= size
; pos
= begin
+ len
;
569 buf
= gdth_ioctl_alloc(ha
, sizeof(gdth_hget_str
), FALSE
, &paddr
);
572 for (i
= 0; i
< MAX_LDRIVES
; ++i
) {
573 if (!ha
->hdr
[i
].is_logdrv
||
574 (ha
->hdr
[i
].is_arraydrv
&& !ha
->hdr
[i
].is_master
))
576 /* 5.a get host drive list */
577 TRACE2(("host_get() drv_no %d\n",i
));
578 phg
= (gdth_hget_str
*)buf
;
579 gdtcmd
->Service
= CACHESERVICE
;
580 gdtcmd
->OpCode
= GDT_IOCTL
;
581 gdtcmd
->u
.ioctl
.p_param
= paddr
;
582 gdtcmd
->u
.ioctl
.param_size
= sizeof(gdth_hget_str
);
583 gdtcmd
->u
.ioctl
.subfunc
= HOST_GET
| LA_CTRL_PATTERN
;
584 gdtcmd
->u
.ioctl
.channel
= i
;
585 phg
->entries
= MAX_HDRIVES
;
586 phg
->offset
= GDTOFFSOF(gdth_hget_str
, entry
[0]);
587 if (gdth_execute(host
, gdtcmd
, cmnd
, 30, NULL
) == S_OK
) {
588 ha
->hdr
[i
].ldr_no
= i
;
589 ha
->hdr
[i
].rw_attribs
= 0;
590 ha
->hdr
[i
].start_sec
= 0;
592 for (j
= 0; j
< phg
->entries
; ++j
) {
593 k
= phg
->entry
[j
].host_drive
;
594 if (k
>= MAX_LDRIVES
)
596 ha
->hdr
[k
].ldr_no
= phg
->entry
[j
].log_drive
;
597 ha
->hdr
[k
].rw_attribs
= phg
->entry
[j
].rw_attribs
;
598 ha
->hdr
[k
].start_sec
= phg
->entry
[j
].start_sec
;
602 gdth_ioctl_free(ha
, sizeof(gdth_hget_str
), buf
, paddr
);
604 for (i
= 0; i
< MAX_HDRIVES
; ++i
) {
605 if (!(ha
->hdr
[i
].present
))
608 size
= sprintf(buffer
+len
,
609 "\n Number: \t%-2d \tArr/Log. Drive:\t%d\n",
610 i
, ha
->hdr
[i
].ldr_no
);
611 len
+= size
; pos
= begin
+ len
;
614 size
= sprintf(buffer
+len
,
615 " Capacity [MB]:\t%-6d \tStart Sector: \t%d\n",
616 (u32
)(ha
->hdr
[i
].size
/2048), ha
->hdr
[i
].start_sec
);
617 len
+= size
; pos
= begin
+ len
;
622 if (pos
> offset
+ length
)
627 size
= sprintf(buffer
+len
, "\n --\n");
628 len
+= size
; pos
= begin
+ len
;
632 /* controller events */
633 size
= sprintf(buffer
+len
,"\nController Events:\n");
634 len
+= size
; pos
= begin
+ len
;
637 id
= gdth_read_event(ha
, id
, estr
);
638 if (estr
->event_source
== 0)
640 if (estr
->event_data
.eu
.driver
.ionode
== ha
->hanum
&&
641 estr
->event_source
== ES_ASYNC
) {
642 gdth_log_event(&estr
->event_data
, hrec
);
643 do_gettimeofday(&tv
);
644 sec
= (int)(tv
.tv_sec
- estr
->first_stamp
);
645 if (sec
< 0) sec
= 0;
646 size
= sprintf(buffer
+len
," date- %02d:%02d:%02d\t%s\n",
647 sec
/3600, sec
%3600/60, sec
%60, hrec
);
648 len
+= size
; pos
= begin
+ len
;
653 if (pos
> offset
+ length
)
661 *start
= buffer
+(offset
-begin
);
662 len
-= (offset
-begin
);
665 TRACE2(("get_info() len %d pos %d begin %d offset %d length %d size %d\n",
666 len
,(int)pos
,(int)begin
,(int)offset
,length
,size
));
675 static char *gdth_ioctl_alloc(gdth_ha_str
*ha
, int size
, int scratch
,
684 spin_lock_irqsave(&ha
->smp_lock
, flags
);
686 if (!ha
->scratch_busy
&& size
<= GDTH_SCRATCH
) {
687 ha
->scratch_busy
= TRUE
;
688 ret_val
= ha
->pscratch
;
689 *paddr
= ha
->scratch_phys
;
690 } else if (scratch
) {
695 ret_val
= pci_alloc_consistent(ha
->pdev
, size
, &dma_addr
);
699 spin_unlock_irqrestore(&ha
->smp_lock
, flags
);
703 static void gdth_ioctl_free(gdth_ha_str
*ha
, int size
, char *buf
, u64 paddr
)
707 if (buf
== ha
->pscratch
) {
708 spin_lock_irqsave(&ha
->smp_lock
, flags
);
709 ha
->scratch_busy
= FALSE
;
710 spin_unlock_irqrestore(&ha
->smp_lock
, flags
);
712 pci_free_consistent(ha
->pdev
, size
, buf
, paddr
);
716 #ifdef GDTH_IOCTL_PROC
717 static int gdth_ioctl_check_bin(gdth_ha_str
*ha
, u16 size
)
722 spin_lock_irqsave(&ha
->smp_lock
, flags
);
725 if (ha
->scratch_busy
) {
726 if (((gdth_iord_str
*)ha
->pscratch
)->size
== (u32
)size
)
729 spin_unlock_irqrestore(&ha
->smp_lock
, flags
);
734 static void gdth_wait_completion(gdth_ha_str
*ha
, int busnum
, int id
)
739 struct gdth_cmndinfo
*cmndinfo
;
742 spin_lock_irqsave(&ha
->smp_lock
, flags
);
744 for (i
= 0; i
< GDTH_MAXCMDS
; ++i
) {
745 scp
= ha
->cmd_tab
[i
].cmnd
;
746 cmndinfo
= gdth_cmnd_priv(scp
);
748 b
= scp
->device
->channel
;
750 if (!SPECIAL_SCP(scp
) && t
== (u8
)id
&&
752 cmndinfo
->wait_for_completion
= 0;
753 spin_unlock_irqrestore(&ha
->smp_lock
, flags
);
754 while (!cmndinfo
->wait_for_completion
)
756 spin_lock_irqsave(&ha
->smp_lock
, flags
);
759 spin_unlock_irqrestore(&ha
->smp_lock
, flags
);
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