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e887afc9 WD |
1 | /* |
2 | * (C) Copyright 2001 | |
3 | * Denis Peter, MPL AG Switzerland | |
4 | * | |
5 | * See file CREDITS for list of people who contributed to this | |
6 | * project. | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU General Public License as | |
10 | * published by the Free Software Foundation; either version 2 of | |
11 | * the License, or (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
21 | * MA 02111-1307 USA | |
22 | * | |
23 | * | |
24 | * | |
25 | */ | |
26 | ||
27 | /* | |
28 | * SCSI support. | |
29 | */ | |
30 | ||
31 | #include <common.h> | |
32 | #include <command.h> | |
e887afc9 WD |
33 | #include <asm/processor.h> |
34 | #include <scsi.h> | |
35 | #include <image.h> | |
36 | #include <cmd_disk.h> | |
37 | #include <pci.h> | |
38 | ||
39 | ||
40 | #undef SCSI_DEBUG | |
41 | ||
42 | #ifdef SCSI_DEBUG | |
43 | #define PRINTF(fmt,args...) printf (fmt ,##args) | |
44 | #else | |
45 | #define PRINTF(fmt,args...) | |
46 | #endif | |
47 | ||
48 | #if (CONFIG_COMMANDS & CFG_CMD_SCSI) | |
49 | ||
50 | #ifdef CONFIG_SCSI_SYM53C8XX | |
51 | #define SCSI_VEND_ID 0x1000 | |
52 | #ifndef CONFIG_SCSI_DEV_ID | |
53 | #define SCSI_DEV_ID 0x0001 | |
54 | #else | |
55 | #define SCSI_DEV_ID CONFIG_SCSI_DEV_ID | |
56 | #endif | |
57 | #else | |
58 | #error CONFIG_SCSI_SYM53C8XX must be defined | |
59 | #endif | |
60 | ||
61 | ||
62 | static ccb tempccb; /* temporary scsi command buffer */ | |
63 | ||
64 | static unsigned char tempbuff[512]; /* temporary data buffer */ | |
65 | ||
66 | static int scsi_max_devs; /* number of highest available scsi device */ | |
67 | ||
68 | static int scsi_curr_dev; /* current device */ | |
69 | ||
70 | static block_dev_desc_t scsi_dev_desc[CFG_SCSI_MAX_DEVICE]; | |
71 | ||
72 | /******************************************************************************** | |
73 | * forward declerations of some Setup Routines | |
74 | */ | |
75 | void scsi_setup_test_unit_ready(ccb * pccb); | |
76 | void scsi_setup_read_capacity(ccb * pccb); | |
77 | void scsi_setup_read6(ccb * pccb, unsigned long start, unsigned short blocks); | |
78 | void scsi_setup_read_ext(ccb * pccb, unsigned long start, unsigned short blocks); | |
79 | void scsi_setup_inquiry(ccb * pccb); | |
80 | void scsi_ident_cpy (unsigned char *dest, unsigned char *src, unsigned int len); | |
81 | ||
82 | ||
83 | ulong scsi_read(int device, ulong blknr, ulong blkcnt, ulong *buffer); | |
84 | ||
85 | ||
86 | /********************************************************************************* | |
87 | * (re)-scan the scsi bus and reports scsi device info | |
88 | * to the user if mode = 1 | |
89 | */ | |
90 | void scsi_scan(int mode) | |
91 | { | |
92 | unsigned char i,perq,modi,lun; | |
93 | unsigned long capacity,blksz; | |
94 | ccb* pccb=(ccb *)&tempccb; | |
95 | ||
96 | if(mode==1) { | |
97 | printf("scanning bus for devices...\n"); | |
98 | } | |
99 | for(i=0;i<CFG_SCSI_MAX_DEVICE;i++) { | |
100 | scsi_dev_desc[i].target=0xff; | |
101 | scsi_dev_desc[i].lun=0xff; | |
102 | scsi_dev_desc[i].lba=0; | |
103 | scsi_dev_desc[i].blksz=0; | |
104 | scsi_dev_desc[i].type=DEV_TYPE_UNKNOWN; | |
105 | scsi_dev_desc[i].vendor[0]=0; | |
106 | scsi_dev_desc[i].product[0]=0; | |
107 | scsi_dev_desc[i].revision[0]=0; | |
108 | scsi_dev_desc[i].removable=FALSE; | |
109 | scsi_dev_desc[i].if_type=IF_TYPE_SCSI; | |
110 | scsi_dev_desc[i].dev=i; | |
111 | scsi_dev_desc[i].part_type=PART_TYPE_UNKNOWN; | |
112 | scsi_dev_desc[i].block_read=scsi_read; | |
113 | } | |
114 | scsi_max_devs=0; | |
115 | for(i=0;i<CFG_SCSI_MAX_SCSI_ID;i++) { | |
116 | pccb->target=i; | |
117 | for(lun=0;lun<CFG_SCSI_MAX_LUN;lun++) { | |
118 | pccb->lun=lun; | |
119 | pccb->pdata=(unsigned char *)&tempbuff; | |
120 | pccb->datalen=512; | |
121 | scsi_setup_inquiry(pccb); | |
122 | if(scsi_exec(pccb)!=TRUE) { | |
123 | if(pccb->contr_stat==SCSI_SEL_TIME_OUT) { | |
124 | PRINTF("Selection timeout ID %d\n",pccb->target); | |
125 | continue; /* selection timeout => assuming no device present */ | |
126 | } | |
127 | scsi_print_error(pccb); | |
128 | continue; | |
129 | } | |
130 | perq=tempbuff[0]; | |
131 | modi=tempbuff[1]; | |
132 | if((perq & 0x1f)==0x1f) { | |
133 | continue; /* skip unknown devices */ | |
134 | } | |
135 | if((modi&0x80)==0x80) /* drive is removable */ | |
136 | scsi_dev_desc[scsi_max_devs].removable=TRUE; | |
137 | /* get info for this device */ | |
138 | scsi_ident_cpy(&scsi_dev_desc[scsi_max_devs].vendor[0],&tempbuff[8],8); | |
139 | scsi_ident_cpy(&scsi_dev_desc[scsi_max_devs].product[0],&tempbuff[16],16); | |
140 | scsi_ident_cpy(&scsi_dev_desc[scsi_max_devs].revision[0],&tempbuff[32],4); | |
141 | scsi_dev_desc[scsi_max_devs].target=pccb->target; | |
142 | scsi_dev_desc[scsi_max_devs].lun=pccb->lun; | |
143 | ||
144 | pccb->datalen=0; | |
145 | scsi_setup_test_unit_ready(pccb); | |
146 | if(scsi_exec(pccb)!=TRUE) { | |
147 | if(scsi_dev_desc[scsi_max_devs].removable==TRUE) { | |
148 | scsi_dev_desc[scsi_max_devs].type=perq; | |
149 | goto removable; | |
150 | } | |
151 | scsi_print_error(pccb); | |
152 | continue; | |
153 | } | |
154 | pccb->datalen=8; | |
155 | scsi_setup_read_capacity(pccb); | |
156 | if(scsi_exec(pccb)!=TRUE) { | |
157 | scsi_print_error(pccb); | |
158 | continue; | |
159 | } | |
160 | capacity=((unsigned long)tempbuff[0]<<24)|((unsigned long)tempbuff[1]<<16)| | |
161 | ((unsigned long)tempbuff[2]<<8)|((unsigned long)tempbuff[3]); | |
162 | blksz=((unsigned long)tempbuff[4]<<24)|((unsigned long)tempbuff[5]<<16)| | |
163 | ((unsigned long)tempbuff[6]<<8)|((unsigned long)tempbuff[7]); | |
164 | scsi_dev_desc[scsi_max_devs].lba=capacity; | |
165 | scsi_dev_desc[scsi_max_devs].blksz=blksz; | |
166 | scsi_dev_desc[scsi_max_devs].type=perq; | |
167 | init_part(&scsi_dev_desc[scsi_max_devs]); | |
168 | removable: | |
169 | if(mode==1) { | |
170 | printf (" Device %d: ", scsi_max_devs); | |
171 | dev_print(&scsi_dev_desc[scsi_max_devs]); | |
172 | } /* if mode */ | |
173 | scsi_max_devs++; | |
174 | } /* next LUN */ | |
175 | } | |
176 | if(scsi_max_devs>0) | |
177 | scsi_curr_dev=0; | |
178 | else | |
179 | scsi_curr_dev=-1; | |
180 | } | |
181 | ||
182 | ||
e887afc9 WD |
183 | void scsi_init(void) |
184 | { | |
185 | int busdevfunc; | |
186 | ||
187 | busdevfunc=pci_find_device(SCSI_VEND_ID,SCSI_DEV_ID,0); /* get PCI Device ID */ | |
188 | if(busdevfunc==-1) { | |
189 | printf("Error SCSI Controller (%04X,%04X) not found\n",SCSI_VEND_ID,SCSI_DEV_ID); | |
190 | return; | |
191 | } | |
192 | #ifdef DEBUG | |
193 | else { | |
194 | printf("SCSI Controller (%04X,%04X) found (%d:%d:%d)\n",SCSI_VEND_ID,SCSI_DEV_ID,(busdevfunc>>16)&0xFF,(busdevfunc>>11)&0x1F,(busdevfunc>>8)&0x7); | |
195 | } | |
196 | #endif | |
197 | scsi_low_level_init(busdevfunc); | |
198 | scsi_scan(1); | |
199 | } | |
200 | ||
201 | block_dev_desc_t * scsi_get_dev(int dev) | |
202 | { | |
203 | return((block_dev_desc_t *)&scsi_dev_desc[dev]); | |
204 | } | |
205 | ||
206 | ||
e887afc9 WD |
207 | /****************************************************************************** |
208 | * scsi boot command intepreter. Derived from diskboot | |
209 | */ | |
210 | int do_scsiboot (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) | |
211 | { | |
212 | char *boot_device = NULL; | |
213 | char *ep; | |
214 | int dev, part = 0; | |
215 | ulong cnt; | |
216 | ulong addr; | |
217 | disk_partition_t info; | |
218 | image_header_t *hdr; | |
219 | int rcode = 0; | |
220 | ||
221 | switch (argc) { | |
222 | case 1: | |
223 | addr = CFG_LOAD_ADDR; | |
224 | boot_device = getenv ("bootdevice"); | |
225 | break; | |
226 | case 2: | |
227 | addr = simple_strtoul(argv[1], NULL, 16); | |
228 | boot_device = getenv ("bootdevice"); | |
229 | break; | |
230 | case 3: | |
231 | addr = simple_strtoul(argv[1], NULL, 16); | |
232 | boot_device = argv[2]; | |
233 | break; | |
234 | default: | |
235 | printf ("Usage:\n%s\n", cmdtp->usage); | |
236 | return 1; | |
237 | } | |
238 | ||
239 | if (!boot_device) { | |
240 | puts ("\n** No boot device **\n"); | |
241 | return 1; | |
242 | } | |
243 | ||
244 | dev = simple_strtoul(boot_device, &ep, 16); | |
245 | printf("booting from dev %d\n",dev); | |
246 | if (scsi_dev_desc[dev].type == DEV_TYPE_UNKNOWN) { | |
247 | printf ("\n** Device %d not available\n", dev); | |
248 | return 1; | |
249 | } | |
250 | ||
251 | if (*ep) { | |
252 | if (*ep != ':') { | |
253 | puts ("\n** Invalid boot device, use `dev[:part]' **\n"); | |
254 | return 1; | |
255 | } | |
256 | part = simple_strtoul(++ep, NULL, 16); | |
257 | } | |
258 | if (get_partition_info (&scsi_dev_desc[dev], part, &info)) { | |
259 | printf("error reading partinfo\n"); | |
260 | return 1; | |
261 | } | |
4532cb69 WD |
262 | if ((strncmp(info.type, BOOT_PART_TYPE, sizeof(info.type)) != 0) && |
263 | (strncmp(info.type, BOOT_PART_COMP, sizeof(info.type)) != 0)) { | |
e887afc9 WD |
264 | printf ("\n** Invalid partition type \"%.32s\"" |
265 | " (expect \"" BOOT_PART_TYPE "\")\n", | |
266 | info.type); | |
267 | return 1; | |
268 | } | |
269 | ||
270 | printf ("\nLoading from SCSI device %d, partition %d: " | |
271 | "Name: %.32s Type: %.32s\n", | |
272 | dev, part, info.name, info.type); | |
273 | ||
274 | PRINTF ("First Block: %ld, # of blocks: %ld, Block Size: %ld\n", | |
275 | info.start, info.size, info.blksz); | |
276 | ||
277 | if (scsi_read (dev, info.start, 1, (ulong *)addr) != 1) { | |
278 | printf ("** Read error on %d:%d\n", dev, part); | |
279 | return 1; | |
280 | } | |
281 | ||
282 | hdr = (image_header_t *)addr; | |
283 | ||
284 | if (hdr->ih_magic == IH_MAGIC) { | |
285 | ||
286 | print_image_hdr (hdr); | |
287 | cnt = (hdr->ih_size + sizeof(image_header_t)); | |
288 | cnt += info.blksz - 1; | |
289 | cnt /= info.blksz; | |
290 | cnt -= 1; | |
291 | } else { | |
292 | printf("\n** Bad Magic Number **\n"); | |
293 | return 1; | |
294 | } | |
295 | ||
296 | if (scsi_read (dev, info.start+1, cnt, | |
297 | (ulong *)(addr+info.blksz)) != cnt) { | |
298 | printf ("** Read error on %d:%d\n", dev, part); | |
299 | return 1; | |
300 | } | |
301 | /* Loading ok, update default load address */ | |
302 | load_addr = addr; | |
303 | ||
304 | flush_cache (addr, (cnt+1)*info.blksz); | |
305 | ||
306 | /* Check if we should attempt an auto-start */ | |
307 | if (((ep = getenv("autostart")) != NULL) && (strcmp(ep,"yes") == 0)) { | |
308 | char *local_args[2]; | |
309 | extern int do_bootm (cmd_tbl_t *, int, int, char *[]); | |
310 | local_args[0] = argv[0]; | |
311 | local_args[1] = NULL; | |
312 | printf ("Automatic boot of image at addr 0x%08lX ...\n", addr); | |
313 | rcode = do_bootm (cmdtp, 0, 1, local_args); | |
314 | } | |
315 | return rcode; | |
316 | } | |
317 | ||
318 | /********************************************************************************* | |
319 | * scsi command intepreter | |
320 | */ | |
321 | int do_scsi (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) | |
322 | { | |
323 | switch (argc) { | |
324 | case 0: | |
325 | case 1: printf ("Usage:\n%s\n", cmdtp->usage); return 1; | |
326 | case 2: | |
327 | if (strncmp(argv[1],"res",3) == 0) { | |
328 | printf("\nReset SCSI\n"); | |
329 | scsi_bus_reset(); | |
330 | scsi_scan(1); | |
331 | return 0; | |
332 | } | |
333 | if (strncmp(argv[1],"inf",3) == 0) { | |
334 | int i; | |
335 | for (i=0; i<CFG_SCSI_MAX_DEVICE; ++i) { | |
336 | if(scsi_dev_desc[i].type==DEV_TYPE_UNKNOWN) | |
337 | continue; /* list only known devices */ | |
338 | printf ("SCSI dev. %d: ", i); | |
339 | dev_print(&scsi_dev_desc[i]); | |
340 | } | |
341 | return 0; | |
342 | } | |
343 | if (strncmp(argv[1],"dev",3) == 0) { | |
344 | if ((scsi_curr_dev < 0) || (scsi_curr_dev >= CFG_SCSI_MAX_DEVICE)) { | |
345 | printf("\nno SCSI devices available\n"); | |
346 | return 1; | |
347 | } | |
348 | printf ("\n Device %d: ", scsi_curr_dev); | |
349 | dev_print(&scsi_dev_desc[scsi_curr_dev]); | |
350 | return 0; | |
351 | } | |
352 | if (strncmp(argv[1],"scan",4) == 0) { | |
353 | scsi_scan(1); | |
354 | return 0; | |
355 | } | |
356 | if (strncmp(argv[1],"part",4) == 0) { | |
357 | int dev, ok; | |
358 | for (ok=0, dev=0; dev<CFG_SCSI_MAX_DEVICE; ++dev) { | |
359 | if (scsi_dev_desc[dev].type!=DEV_TYPE_UNKNOWN) { | |
360 | ok++; | |
361 | if (dev) | |
362 | printf("\n"); | |
363 | PRINTF("print_part of %x\n",dev); | |
364 | print_part(&scsi_dev_desc[dev]); | |
365 | } | |
366 | } | |
367 | if (!ok) | |
368 | printf("\nno SCSI devices available\n"); | |
369 | return 1; | |
370 | } | |
371 | printf ("Usage:\n%s\n", cmdtp->usage); | |
372 | return 1; | |
373 | case 3: | |
374 | if (strncmp(argv[1],"dev",3) == 0) { | |
375 | int dev = (int)simple_strtoul(argv[2], NULL, 10); | |
376 | printf ("\nSCSI device %d: ", dev); | |
377 | if (dev >= CFG_SCSI_MAX_DEVICE) { | |
378 | printf("unknown device\n"); | |
379 | return 1; | |
380 | } | |
381 | printf ("\n Device %d: ", dev); | |
382 | dev_print(&scsi_dev_desc[dev]); | |
383 | if(scsi_dev_desc[dev].type == DEV_TYPE_UNKNOWN) { | |
384 | return 1; | |
385 | } | |
386 | scsi_curr_dev = dev; | |
387 | printf("... is now current device\n"); | |
388 | return 0; | |
389 | } | |
390 | if (strncmp(argv[1],"part",4) == 0) { | |
391 | int dev = (int)simple_strtoul(argv[2], NULL, 10); | |
392 | if(scsi_dev_desc[dev].type != DEV_TYPE_UNKNOWN) { | |
393 | print_part(&scsi_dev_desc[dev]); | |
394 | } | |
395 | else { | |
396 | printf ("\nSCSI device %d not available\n", dev); | |
397 | } | |
398 | return 1; | |
399 | } | |
400 | printf ("Usage:\n%s\n", cmdtp->usage); | |
401 | return 1; | |
402 | default: | |
403 | /* at least 4 args */ | |
404 | if (strcmp(argv[1],"read") == 0) { | |
405 | ulong addr = simple_strtoul(argv[2], NULL, 16); | |
406 | ulong blk = simple_strtoul(argv[3], NULL, 16); | |
407 | ulong cnt = simple_strtoul(argv[4], NULL, 16); | |
408 | ulong n; | |
409 | printf ("\nSCSI read: device %d block # %ld, count %ld ... ", | |
410 | scsi_curr_dev, blk, cnt); | |
411 | n = scsi_read(scsi_curr_dev, blk, cnt, (ulong *)addr); | |
412 | printf ("%ld blocks read: %s\n",n,(n==cnt) ? "OK" : "ERROR"); | |
413 | return 0; | |
414 | } | |
415 | } /* switch */ | |
416 | printf ("Usage:\n%s\n", cmdtp->usage); | |
417 | return 1; | |
418 | } | |
419 | ||
420 | /**************************************************************************************** | |
421 | * scsi_read | |
422 | */ | |
423 | ||
424 | #define SCSI_MAX_READ_BLK 0xFFFF /* almost the maximum amount of the scsi_ext command.. */ | |
425 | ||
426 | ulong scsi_read(int device, ulong blknr, ulong blkcnt, ulong *buffer) | |
427 | { | |
428 | ulong start,blks, buf_addr; | |
429 | unsigned short smallblks; | |
430 | ccb* pccb=(ccb *)&tempccb; | |
431 | device&=0xff; | |
432 | /* Setup device | |
433 | */ | |
434 | pccb->target=scsi_dev_desc[device].target; | |
435 | pccb->lun=scsi_dev_desc[device].lun; | |
436 | buf_addr=(unsigned long)buffer; | |
437 | start=blknr; | |
438 | blks=blkcnt; | |
439 | PRINTF("\nscsi_read: dev %d startblk %lx, blccnt %lx buffer %lx\n",device,start,blks,(unsigned long)buffer); | |
440 | do { | |
441 | pccb->pdata=(unsigned char *)buf_addr; | |
442 | if(blks>SCSI_MAX_READ_BLK) { | |
443 | pccb->datalen=scsi_dev_desc[device].blksz * SCSI_MAX_READ_BLK; | |
444 | smallblks=SCSI_MAX_READ_BLK; | |
445 | scsi_setup_read_ext(pccb,start,smallblks); | |
446 | start+=SCSI_MAX_READ_BLK; | |
447 | blks-=SCSI_MAX_READ_BLK; | |
448 | } | |
449 | else { | |
450 | pccb->datalen=scsi_dev_desc[device].blksz * blks; | |
451 | smallblks=(unsigned short) blks; | |
452 | scsi_setup_read_ext(pccb,start,smallblks); | |
453 | start+=blks; | |
454 | blks=0; | |
455 | } | |
456 | PRINTF("scsi_read_ext: startblk %lx, blccnt %x buffer %lx\n",start,smallblks,buf_addr); | |
457 | if(scsi_exec(pccb)!=TRUE) { | |
458 | scsi_print_error(pccb); | |
459 | blkcnt-=blks; | |
460 | break; | |
461 | } | |
462 | buf_addr+=pccb->datalen; | |
463 | } while(blks!=0); | |
464 | PRINTF("scsi_read_ext: end startblk %lx, blccnt %x buffer %lx\n",start,smallblks,buf_addr); | |
465 | return(blkcnt); | |
466 | } | |
467 | ||
468 | /* copy src to dest, skipping leading and trailing blanks | |
469 | * and null terminate the string | |
470 | */ | |
471 | void scsi_ident_cpy (unsigned char *dest, unsigned char *src, unsigned int len) | |
472 | { | |
473 | int start,end; | |
474 | ||
475 | start=0; | |
476 | while(start<len) { | |
477 | if(src[start]!=' ') | |
478 | break; | |
479 | start++; | |
480 | } | |
481 | end=len-1; | |
482 | while(end>start) { | |
483 | if(src[end]!=' ') | |
484 | break; | |
485 | end--; | |
486 | } | |
487 | for( ; start<=end; start++) { | |
488 | *dest++=src[start]; | |
489 | } | |
490 | *dest='\0'; | |
491 | } | |
492 | ||
493 | ||
e887afc9 WD |
494 | /* Trim trailing blanks, and NUL-terminate string |
495 | */ | |
496 | void scsi_trim_trail (unsigned char *str, unsigned int len) | |
497 | { | |
498 | unsigned char *p = str + len - 1; | |
499 | ||
500 | while (len-- > 0) { | |
501 | *p-- = '\0'; | |
502 | if (*p != ' ') { | |
503 | return; | |
504 | } | |
505 | } | |
506 | } | |
507 | ||
508 | ||
509 | /************************************************************************************ | |
510 | * Some setup (fill-in) routines | |
511 | */ | |
512 | void scsi_setup_test_unit_ready(ccb * pccb) | |
513 | { | |
514 | pccb->cmd[0]=SCSI_TST_U_RDY; | |
515 | pccb->cmd[1]=pccb->lun<<5; | |
516 | pccb->cmd[2]=0; | |
517 | pccb->cmd[3]=0; | |
518 | pccb->cmd[4]=0; | |
519 | pccb->cmd[5]=0; | |
520 | pccb->cmdlen=6; | |
521 | pccb->msgout[0]=SCSI_IDENTIFY; /* NOT USED */ | |
522 | } | |
523 | ||
524 | void scsi_setup_read_capacity(ccb * pccb) | |
525 | { | |
526 | pccb->cmd[0]=SCSI_RD_CAPAC; | |
527 | pccb->cmd[1]=pccb->lun<<5; | |
528 | pccb->cmd[2]=0; | |
529 | pccb->cmd[3]=0; | |
530 | pccb->cmd[4]=0; | |
531 | pccb->cmd[5]=0; | |
532 | pccb->cmd[6]=0; | |
533 | pccb->cmd[7]=0; | |
534 | pccb->cmd[8]=0; | |
535 | pccb->cmd[9]=0; | |
536 | pccb->cmdlen=10; | |
537 | pccb->msgout[0]=SCSI_IDENTIFY; /* NOT USED */ | |
538 | ||
539 | } | |
540 | ||
541 | void scsi_setup_read_ext(ccb * pccb, unsigned long start, unsigned short blocks) | |
542 | { | |
543 | pccb->cmd[0]=SCSI_READ10; | |
544 | pccb->cmd[1]=pccb->lun<<5; | |
545 | pccb->cmd[2]=((unsigned char) (start>>24))&0xff; | |
546 | pccb->cmd[3]=((unsigned char) (start>>16))&0xff; | |
547 | pccb->cmd[4]=((unsigned char) (start>>8))&0xff; | |
548 | pccb->cmd[5]=((unsigned char) (start))&0xff; | |
549 | pccb->cmd[6]=0; | |
550 | pccb->cmd[7]=((unsigned char) (blocks>>8))&0xff; | |
551 | pccb->cmd[8]=(unsigned char) blocks & 0xff; | |
552 | pccb->cmd[6]=0; | |
553 | pccb->cmdlen=10; | |
554 | pccb->msgout[0]=SCSI_IDENTIFY; /* NOT USED */ | |
555 | PRINTF("scsi_setup_read_ext: cmd: %02X %02X startblk %02X%02X%02X%02X blccnt %02X%02X\n", | |
556 | pccb->cmd[0],pccb->cmd[1], | |
557 | pccb->cmd[2],pccb->cmd[3],pccb->cmd[4],pccb->cmd[5], | |
558 | pccb->cmd[7],pccb->cmd[8]); | |
559 | } | |
560 | ||
561 | void scsi_setup_read6(ccb * pccb, unsigned long start, unsigned short blocks) | |
562 | { | |
563 | pccb->cmd[0]=SCSI_READ6; | |
564 | pccb->cmd[1]=pccb->lun<<5 | (((unsigned char)(start>>16))&0x1f); | |
565 | pccb->cmd[2]=((unsigned char) (start>>8))&0xff; | |
566 | pccb->cmd[3]=((unsigned char) (start))&0xff; | |
567 | pccb->cmd[4]=(unsigned char) blocks & 0xff; | |
568 | pccb->cmd[5]=0; | |
569 | pccb->cmdlen=6; | |
570 | pccb->msgout[0]=SCSI_IDENTIFY; /* NOT USED */ | |
571 | PRINTF("scsi_setup_read6: cmd: %02X %02X startblk %02X%02X blccnt %02X\n", | |
572 | pccb->cmd[0],pccb->cmd[1], | |
573 | pccb->cmd[2],pccb->cmd[3],pccb->cmd[4]); | |
574 | } | |
575 | ||
576 | ||
577 | void scsi_setup_inquiry(ccb * pccb) | |
578 | { | |
579 | pccb->cmd[0]=SCSI_INQUIRY; | |
580 | pccb->cmd[1]=pccb->lun<<5; | |
581 | pccb->cmd[2]=0; | |
582 | pccb->cmd[3]=0; | |
583 | if(pccb->datalen>255) | |
584 | pccb->cmd[4]=255; | |
585 | else | |
586 | pccb->cmd[4]=(unsigned char)pccb->datalen; | |
587 | pccb->cmd[5]=0; | |
588 | pccb->cmdlen=6; | |
589 | pccb->msgout[0]=SCSI_IDENTIFY; /* NOT USED */ | |
590 | } | |
591 | ||
592 | #endif /* #if (CONFIG_COMMANDS & CFG_CMD_SCSI) */ |