xref: /freebsd/sys/cam/ata/ata_all.c (revision 5022f21bd974c740b9052f149fb31745dc602965)
1 /*-
2  * Copyright (c) 2009 Alexander Motin <mav@FreeBSD.org>
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer,
10  *    without modification, immediately at the beginning of the file.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25  */
26 
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
29 
30 #include <sys/param.h>
31 
32 #ifdef _KERNEL
33 #include <opt_scsi.h>
34 
35 #include <sys/systm.h>
36 #include <sys/libkern.h>
37 #include <sys/kernel.h>
38 #include <sys/sysctl.h>
39 #else
40 #include <errno.h>
41 #include <stdio.h>
42 #include <stdlib.h>
43 #include <string.h>
44 #ifndef min
45 #define min(a,b) (((a)<(b))?(a):(b))
46 #endif
47 #endif
48 
49 #include <cam/cam.h>
50 #include <cam/cam_ccb.h>
51 #include <cam/cam_queue.h>
52 #include <cam/cam_xpt.h>
53 #include <sys/ata.h>
54 #include <cam/ata/ata_all.h>
55 #include <sys/sbuf.h>
56 #include <sys/endian.h>
57 
58 int
59 ata_version(int ver)
60 {
61 	int bit;
62 
63 	if (ver == 0xffff)
64 		return 0;
65 	for (bit = 15; bit >= 0; bit--)
66 		if (ver & (1<<bit))
67 			return bit;
68 	return 0;
69 }
70 
71 char *
72 ata_op_string(struct ata_cmd *cmd)
73 {
74 
75 	switch (cmd->command) {
76 	case 0x00: return ("NOP");
77 	case 0x03: return ("CFA_REQUEST_EXTENDED_ERROR");
78 	case 0x08: return ("DEVICE_RESET");
79 	case 0x20: return ("READ");
80 	case 0x24: return ("READ48");
81 	case 0x25: return ("READ_DMA48");
82 	case 0x26: return ("READ_DMA_QUEUED48");
83 	case 0x27: return ("READ_NATIVE_MAX_ADDRESS48");
84 	case 0x29: return ("READ_MUL48");
85 	case 0x2a: return ("READ_STREAM_DMA48");
86 	case 0x2b: return ("READ_STREAM48");
87 	case 0x2f: return ("READ_LOG_EXT");
88 	case 0x30: return ("WRITE");
89 	case 0x34: return ("WRITE48");
90 	case 0x35: return ("WRITE_DMA48");
91 	case 0x36: return ("WRITE_DMA_QUEUED48");
92 	case 0x37: return ("SET_MAX_ADDRESS48");
93 	case 0x39: return ("WRITE_MUL48");
94 	case 0x3a: return ("WRITE_STREAM_DMA48");
95 	case 0x3b: return ("WRITE_STREAM48");
96 	case 0x3d: return ("WRITE_DMA_FUA");
97 	case 0x3e: return ("WRITE_DMA_FUA48");
98 	case 0x3f: return ("WRITE_LOG_EXT");
99 	case 0x40: return ("READ_VERIFY");
100 	case 0x42: return ("READ_VERIFY48");
101 	case 0x51: return ("CONFIGURE_STREAM");
102 	case 0x60: return ("READ_FPDMA_QUEUED");
103 	case 0x61: return ("WRITE_FPDMA_QUEUED");
104 	case 0x70: return ("SEEK");
105 	case 0x87: return ("CFA_TRANSLATE_SECTOR");
106 	case 0x90: return ("EXECUTE_DEVICE_DIAGNOSTIC");
107 	case 0x92: return ("DOWNLOAD_MICROCODE");
108 	case 0xa0: return ("PACKET");
109 	case 0xa1: return ("ATAPI_IDENTIFY");
110 	case 0xa2: return ("SERVICE");
111 	case 0xb0: return ("SMART");
112 	case 0xb1: return ("DEVICE CONFIGURATION");
113 	case 0xc0: return ("CFA_ERASE");
114 	case 0xc4: return ("READ_MUL");
115 	case 0xc5: return ("WRITE_MUL");
116 	case 0xc6: return ("SET_MULTI");
117 	case 0xc7: return ("READ_DMA_QUEUED");
118 	case 0xc8: return ("READ_DMA");
119 	case 0xca: return ("WRITE_DMA");
120 	case 0xcc: return ("WRITE_DMA_QUEUED");
121 	case 0xcd: return ("CFA_WRITE_MULTIPLE_WITHOUT_ERASE");
122 	case 0xce: return ("WRITE_MULTIPLE_FUA48");
123 	case 0xd1: return ("CHECK_MEDIA_CARD_TYPE");
124 	case 0xda: return ("GET_MEDIA_STATUS");
125 	case 0xde: return ("MEDIA_LOCK");
126 	case 0xdf: return ("MEDIA_UNLOCK");
127 	case 0xe0: return ("STANDBY_IMMEDIATE");
128 	case 0xe1: return ("IDLE_IMMEDIATE");
129 	case 0xe2: return ("STANDBY");
130 	case 0xe3: return ("IDLE");
131 	case 0xe4: return ("READ_BUFFER/PM");
132 	case 0xe5: return ("CHECK_POWER_MODE");
133 	case 0xe6: return ("SLEEP");
134 	case 0xe7: return ("FLUSHCACHE");
135 	case 0xe8: return ("WRITE_PM");
136 	case 0xea: return ("FLUSHCACHE48");
137 	case 0xec: return ("ATA_IDENTIFY");
138 	case 0xed: return ("MEDIA_EJECT");
139 	case 0xef:
140 		switch (cmd->features) {
141 	        case 0x03: return ("SETFEATURES SET TRANSFER MODE");
142 	        case 0x02: return ("SETFEATURES ENABLE WCACHE");
143 	        case 0x82: return ("SETFEATURES DISABLE WCACHE");
144 	        case 0xaa: return ("SETFEATURES ENABLE RCACHE");
145 	        case 0x55: return ("SETFEATURES DISABLE RCACHE");
146 	        }
147 	        return "SETFEATURES";
148 	case 0xf1: return ("SECURITY_SET_PASSWORD");
149 	case 0xf2: return ("SECURITY_UNLOCK");
150 	case 0xf3: return ("SECURITY_ERASE_PREPARE");
151 	case 0xf4: return ("SECURITY_ERASE_UNIT");
152 	case 0xf5: return ("SECURITY_FREE_LOCK");
153 	case 0xf6: return ("SECURITY DISABLE PASSWORD");
154 	case 0xf8: return ("READ_NATIVE_MAX_ADDRESS");
155 	case 0xf9: return ("SET_MAX_ADDRESS");
156 	}
157 	return "UNKNOWN";
158 }
159 
160 char *
161 ata_cmd_string(struct ata_cmd *cmd, char *cmd_string, size_t len)
162 {
163 
164 	snprintf(cmd_string, len, "%02x %02x %02x %02x "
165 	    "%02x %02x %02x %02x %02x %02x %02x %02x",
166 	    cmd->command, cmd->features,
167 	    cmd->lba_low, cmd->lba_mid, cmd->lba_high, cmd->device,
168 	    cmd->lba_low_exp, cmd->lba_mid_exp, cmd->lba_high_exp,
169 	    cmd->features_exp, cmd->sector_count, cmd->sector_count_exp);
170 
171 	return(cmd_string);
172 }
173 
174 char *
175 ata_res_string(struct ata_res *res, char *res_string, size_t len)
176 {
177 
178 	snprintf(res_string, len, "%02x %02x %02x %02x "
179 	    "%02x %02x %02x %02x %02x %02x %02x",
180 	    res->status, res->error,
181 	    res->lba_low, res->lba_mid, res->lba_high, res->device,
182 	    res->lba_low_exp, res->lba_mid_exp, res->lba_high_exp,
183 	    res->sector_count, res->sector_count_exp);
184 
185 	return(res_string);
186 }
187 
188 /*
189  * ata_command_sbuf() returns 0 for success and -1 for failure.
190  */
191 int
192 ata_command_sbuf(struct ccb_ataio *ataio, struct sbuf *sb)
193 {
194 	char cmd_str[(12 * 3) + 1];
195 
196 	sbuf_printf(sb, "CMD: %s: %s",
197 	    ata_op_string(&ataio->cmd),
198 	    ata_cmd_string(&ataio->cmd, cmd_str, sizeof(cmd_str)));
199 
200 	return(0);
201 }
202 
203 /*
204  * ata_status_abuf() returns 0 for success and -1 for failure.
205  */
206 int
207 ata_status_sbuf(struct ccb_ataio *ataio, struct sbuf *sb)
208 {
209 
210 	sbuf_printf(sb, "ATA Status: %02x (%s%s%s%s%s%s%s%s)",
211 	    ataio->res.status,
212 	    (ataio->res.status & 0x80) ? "BSY " : "",
213 	    (ataio->res.status & 0x40) ? "DRDY " : "",
214 	    (ataio->res.status & 0x20) ? "DF " : "",
215 	    (ataio->res.status & 0x10) ? "SERV " : "",
216 	    (ataio->res.status & 0x08) ? "DRQ " : "",
217 	    (ataio->res.status & 0x04) ? "CORR " : "",
218 	    (ataio->res.status & 0x02) ? "IDX " : "",
219 	    (ataio->res.status & 0x01) ? "ERR" : "");
220 	if (ataio->res.status & 1) {
221 	    sbuf_printf(sb, ", Error: %02x (%s%s%s%s%s%s%s%s)",
222 		ataio->res.error,
223 		(ataio->res.error & 0x80) ? "ICRC " : "",
224 		(ataio->res.error & 0x40) ? "UNC " : "",
225 		(ataio->res.error & 0x20) ? "MC " : "",
226 		(ataio->res.error & 0x10) ? "IDNF " : "",
227 		(ataio->res.error & 0x08) ? "MCR " : "",
228 		(ataio->res.error & 0x04) ? "ABRT " : "",
229 		(ataio->res.error & 0x02) ? "NM " : "",
230 		(ataio->res.error & 0x01) ? "ILI" : "");
231 	}
232 
233 	return(0);
234 }
235 
236 /*
237  * ata_res_sbuf() returns 0 for success and -1 for failure.
238  */
239 int
240 ata_res_sbuf(struct ccb_ataio *ataio, struct sbuf *sb)
241 {
242 	char res_str[(11 * 3) + 1];
243 
244 	sbuf_printf(sb, "RES: %s",
245 	    ata_res_string(&ataio->res, res_str, sizeof(res_str)));
246 
247 	return(0);
248 }
249 
250 void
251 ata_print_ident(struct ata_params *ident_data)
252 {
253 	char product[48], revision[16];
254 
255 	cam_strvis(product, ident_data->model, sizeof(ident_data->model),
256 		   sizeof(product));
257 	cam_strvis(revision, ident_data->revision, sizeof(ident_data->revision),
258 		   sizeof(revision));
259 	printf("<%s %s> ATA/ATAPI-%d",
260 	    product, revision, ata_version(ident_data->version_major));
261 	if (ident_data->satacapabilities && ident_data->satacapabilities != 0xffff) {
262 		if (ident_data->satacapabilities & ATA_SATA_GEN3)
263 			printf(" SATA 3.x");
264 		else if (ident_data->satacapabilities & ATA_SATA_GEN2)
265 			printf(" SATA 2.x");
266 		else if (ident_data->satacapabilities & ATA_SATA_GEN1)
267 			printf(" SATA 1.x");
268 		else
269 			printf(" SATA");
270 	}
271 	printf(" device\n");
272 }
273 
274 uint32_t
275 ata_logical_sector_size(struct ata_params *ident_data)
276 {
277 	if ((ident_data->pss & 0xc000) == 0x4000 &&
278 	    (ident_data->pss & ATA_PSS_LSSABOVE512)) {
279 		return ((u_int32_t)ident_data->lss_1 |
280 		    ((u_int32_t)ident_data->lss_2 << 16));
281 	}
282 	return (512);
283 }
284 
285 uint64_t
286 ata_physical_sector_size(struct ata_params *ident_data)
287 {
288 	if ((ident_data->pss & 0xc000) == 0x4000 &&
289 	    (ident_data->pss & ATA_PSS_MULTLS)) {
290 		return ((uint64_t)ata_logical_sector_size(ident_data) *
291 		    (1 << (ident_data->pss & ATA_PSS_LSPPS)));
292 	}
293 	return (512);
294 }
295 
296 uint64_t
297 ata_logical_sector_offset(struct ata_params *ident_data)
298 {
299 	if ((ident_data->lsalign & 0xc000) == 0x4000) {
300 		return ((uint64_t)ata_logical_sector_size(ident_data) *
301 		    (ident_data->lsalign & 0x3fff));
302 	}
303 	return (0);
304 }
305 
306 void
307 ata_28bit_cmd(struct ccb_ataio *ataio, uint8_t cmd, uint8_t features,
308     uint32_t lba, uint8_t sector_count)
309 {
310 	bzero(&ataio->cmd, sizeof(ataio->cmd));
311 	ataio->cmd.flags = 0;
312 	ataio->cmd.command = cmd;
313 	ataio->cmd.features = features;
314 	ataio->cmd.lba_low = lba;
315 	ataio->cmd.lba_mid = lba >> 8;
316 	ataio->cmd.lba_high = lba >> 16;
317 	ataio->cmd.device = 0x40 | ((lba >> 24) & 0x0f);
318 	ataio->cmd.sector_count = sector_count;
319 }
320 
321 void
322 ata_48bit_cmd(struct ccb_ataio *ataio, uint8_t cmd, uint16_t features,
323     uint64_t lba, uint16_t sector_count)
324 {
325 	bzero(&ataio->cmd, sizeof(ataio->cmd));
326 	ataio->cmd.flags = CAM_ATAIO_48BIT;
327 	ataio->cmd.command = cmd;
328 	ataio->cmd.features = features;
329 	ataio->cmd.lba_low = lba;
330 	ataio->cmd.lba_mid = lba >> 8;
331 	ataio->cmd.lba_high = lba >> 16;
332 	ataio->cmd.device = 0x40;
333 	ataio->cmd.lba_low_exp = lba >> 24;
334 	ataio->cmd.lba_mid_exp = lba >> 32;
335 	ataio->cmd.lba_high_exp = lba >> 40;
336 	ataio->cmd.features_exp = features >> 8;
337 	ataio->cmd.sector_count = sector_count;
338 	ataio->cmd.sector_count_exp = sector_count >> 8;
339 }
340 
341 void
342 ata_ncq_cmd(struct ccb_ataio *ataio, uint8_t cmd,
343     uint64_t lba, uint16_t sector_count)
344 {
345 	bzero(&ataio->cmd, sizeof(ataio->cmd));
346 	ataio->cmd.flags = CAM_ATAIO_48BIT | CAM_ATAIO_FPDMA;
347 	ataio->cmd.command = cmd;
348 	ataio->cmd.features = sector_count;
349 	ataio->cmd.lba_low = lba;
350 	ataio->cmd.lba_mid = lba >> 8;
351 	ataio->cmd.lba_high = lba >> 16;
352 	ataio->cmd.device = 0x40;
353 	ataio->cmd.lba_low_exp = lba >> 24;
354 	ataio->cmd.lba_mid_exp = lba >> 32;
355 	ataio->cmd.lba_high_exp = lba >> 40;
356 	ataio->cmd.features_exp = sector_count >> 8;
357 }
358 
359 void
360 ata_reset_cmd(struct ccb_ataio *ataio)
361 {
362 	bzero(&ataio->cmd, sizeof(ataio->cmd));
363 	ataio->cmd.flags = CAM_ATAIO_CONTROL | CAM_ATAIO_NEEDRESULT;
364 	ataio->cmd.control = 0x04;
365 }
366 
367 void
368 ata_pm_read_cmd(struct ccb_ataio *ataio, int reg, int port)
369 {
370 	bzero(&ataio->cmd, sizeof(ataio->cmd));
371 	ataio->cmd.flags = CAM_ATAIO_NEEDRESULT;
372 	ataio->cmd.command = ATA_READ_PM;
373 	ataio->cmd.features = reg;
374 	ataio->cmd.device = port & 0x0f;
375 }
376 
377 void
378 ata_pm_write_cmd(struct ccb_ataio *ataio, int reg, int port, uint32_t val)
379 {
380 	bzero(&ataio->cmd, sizeof(ataio->cmd));
381 	ataio->cmd.flags = 0;
382 	ataio->cmd.command = ATA_WRITE_PM;
383 	ataio->cmd.features = reg;
384 	ataio->cmd.sector_count = val;
385 	ataio->cmd.lba_low = val >> 8;
386 	ataio->cmd.lba_mid = val >> 16;
387 	ataio->cmd.lba_high = val >> 24;
388 	ataio->cmd.device = port & 0x0f;
389 }
390 
391 void
392 ata_bswap(int8_t *buf, int len)
393 {
394 	u_int16_t *ptr = (u_int16_t*)(buf + len);
395 
396 	while (--ptr >= (u_int16_t*)buf)
397 		*ptr = be16toh(*ptr);
398 }
399 
400 void
401 ata_btrim(int8_t *buf, int len)
402 {
403 	int8_t *ptr;
404 
405 	for (ptr = buf; ptr < buf+len; ++ptr)
406 		if (!*ptr || *ptr == '_')
407 			*ptr = ' ';
408 	for (ptr = buf + len - 1; ptr >= buf && *ptr == ' '; --ptr)
409 		*ptr = 0;
410 }
411 
412 void
413 ata_bpack(int8_t *src, int8_t *dst, int len)
414 {
415 	int i, j, blank;
416 
417 	for (i = j = blank = 0 ; i < len; i++) {
418 		if (blank && src[i] == ' ') continue;
419 		if (blank && src[i] != ' ') {
420 			dst[j++] = src[i];
421 			blank = 0;
422 			continue;
423 		}
424 		if (src[i] == ' ') {
425 			blank = 1;
426 			if (i == 0)
427 			continue;
428 		}
429 		dst[j++] = src[i];
430 	}
431 	while (j < len)
432 		dst[j++] = 0x00;
433 }
434 
435 int
436 ata_max_pmode(struct ata_params *ap)
437 {
438     if (ap->atavalid & ATA_FLAG_64_70) {
439 	if (ap->apiomodes & 0x02)
440 	    return ATA_PIO4;
441 	if (ap->apiomodes & 0x01)
442 	    return ATA_PIO3;
443     }
444     if (ap->mwdmamodes & 0x04)
445 	return ATA_PIO4;
446     if (ap->mwdmamodes & 0x02)
447 	return ATA_PIO3;
448     if (ap->mwdmamodes & 0x01)
449 	return ATA_PIO2;
450     if ((ap->retired_piomode & ATA_RETIRED_PIO_MASK) == 0x200)
451 	return ATA_PIO2;
452     if ((ap->retired_piomode & ATA_RETIRED_PIO_MASK) == 0x100)
453 	return ATA_PIO1;
454     if ((ap->retired_piomode & ATA_RETIRED_PIO_MASK) == 0x000)
455 	return ATA_PIO0;
456     return ATA_PIO0;
457 }
458 
459 int
460 ata_max_wmode(struct ata_params *ap)
461 {
462     if (ap->mwdmamodes & 0x04)
463 	return ATA_WDMA2;
464     if (ap->mwdmamodes & 0x02)
465 	return ATA_WDMA1;
466     if (ap->mwdmamodes & 0x01)
467 	return ATA_WDMA0;
468     return -1;
469 }
470 
471 int
472 ata_max_umode(struct ata_params *ap)
473 {
474     if (ap->atavalid & ATA_FLAG_88) {
475 	if (ap->udmamodes & 0x40)
476 	    return ATA_UDMA6;
477 	if (ap->udmamodes & 0x20)
478 	    return ATA_UDMA5;
479 	if (ap->udmamodes & 0x10)
480 	    return ATA_UDMA4;
481 	if (ap->udmamodes & 0x08)
482 	    return ATA_UDMA3;
483 	if (ap->udmamodes & 0x04)
484 	    return ATA_UDMA2;
485 	if (ap->udmamodes & 0x02)
486 	    return ATA_UDMA1;
487 	if (ap->udmamodes & 0x01)
488 	    return ATA_UDMA0;
489     }
490     return -1;
491 }
492 
493 int
494 ata_max_mode(struct ata_params *ap, int maxmode)
495 {
496 
497 	if (maxmode == 0)
498 		maxmode = ATA_DMA_MAX;
499 	if (maxmode >= ATA_UDMA0 && ata_max_umode(ap) > 0)
500 		return (min(maxmode, ata_max_umode(ap)));
501 	if (maxmode >= ATA_WDMA0 && ata_max_wmode(ap) > 0)
502 		return (min(maxmode, ata_max_wmode(ap)));
503 	return (min(maxmode, ata_max_pmode(ap)));
504 }
505 
506 char *
507 ata_mode2string(int mode)
508 {
509     switch (mode) {
510     case -1: return "UNSUPPORTED";
511     case 0: return "NONE";
512     case ATA_PIO0: return "PIO0";
513     case ATA_PIO1: return "PIO1";
514     case ATA_PIO2: return "PIO2";
515     case ATA_PIO3: return "PIO3";
516     case ATA_PIO4: return "PIO4";
517     case ATA_WDMA0: return "WDMA0";
518     case ATA_WDMA1: return "WDMA1";
519     case ATA_WDMA2: return "WDMA2";
520     case ATA_UDMA0: return "UDMA0";
521     case ATA_UDMA1: return "UDMA1";
522     case ATA_UDMA2: return "UDMA2";
523     case ATA_UDMA3: return "UDMA3";
524     case ATA_UDMA4: return "UDMA4";
525     case ATA_UDMA5: return "UDMA5";
526     case ATA_UDMA6: return "UDMA6";
527     default:
528 	if (mode & ATA_DMA_MASK)
529 	    return "BIOSDMA";
530 	else
531 	    return "BIOSPIO";
532     }
533 }
534 
535 int
536 ata_string2mode(char *str)
537 {
538 	if (!strcasecmp(str, "PIO0")) return (ATA_PIO0);
539 	if (!strcasecmp(str, "PIO1")) return (ATA_PIO1);
540 	if (!strcasecmp(str, "PIO2")) return (ATA_PIO2);
541 	if (!strcasecmp(str, "PIO3")) return (ATA_PIO3);
542 	if (!strcasecmp(str, "PIO4")) return (ATA_PIO4);
543 	if (!strcasecmp(str, "WDMA0")) return (ATA_WDMA0);
544 	if (!strcasecmp(str, "WDMA1")) return (ATA_WDMA1);
545 	if (!strcasecmp(str, "WDMA2")) return (ATA_WDMA2);
546 	if (!strcasecmp(str, "UDMA0")) return (ATA_UDMA0);
547 	if (!strcasecmp(str, "UDMA16")) return (ATA_UDMA0);
548 	if (!strcasecmp(str, "UDMA1")) return (ATA_UDMA1);
549 	if (!strcasecmp(str, "UDMA25")) return (ATA_UDMA1);
550 	if (!strcasecmp(str, "UDMA2")) return (ATA_UDMA2);
551 	if (!strcasecmp(str, "UDMA33")) return (ATA_UDMA2);
552 	if (!strcasecmp(str, "UDMA3")) return (ATA_UDMA3);
553 	if (!strcasecmp(str, "UDMA44")) return (ATA_UDMA3);
554 	if (!strcasecmp(str, "UDMA4")) return (ATA_UDMA4);
555 	if (!strcasecmp(str, "UDMA66")) return (ATA_UDMA4);
556 	if (!strcasecmp(str, "UDMA5")) return (ATA_UDMA5);
557 	if (!strcasecmp(str, "UDMA100")) return (ATA_UDMA5);
558 	if (!strcasecmp(str, "UDMA6")) return (ATA_UDMA6);
559 	if (!strcasecmp(str, "UDMA133")) return (ATA_UDMA6);
560 	return (-1);
561 }
562 
563 
564 u_int
565 ata_mode2speed(int mode)
566 {
567 	switch (mode) {
568 	case ATA_PIO0:
569 	default:
570 		return (3300);
571 	case ATA_PIO1:
572 		return (5200);
573 	case ATA_PIO2:
574 		return (8300);
575 	case ATA_PIO3:
576 		return (11100);
577 	case ATA_PIO4:
578 		return (16700);
579 	case ATA_WDMA0:
580 		return (4200);
581 	case ATA_WDMA1:
582 		return (13300);
583 	case ATA_WDMA2:
584 		return (16700);
585 	case ATA_UDMA0:
586 		return (16700);
587 	case ATA_UDMA1:
588 		return (25000);
589 	case ATA_UDMA2:
590 		return (33300);
591 	case ATA_UDMA3:
592 		return (44400);
593 	case ATA_UDMA4:
594 		return (66700);
595 	case ATA_UDMA5:
596 		return (100000);
597 	case ATA_UDMA6:
598 		return (133000);
599 	}
600 }
601 
602 u_int
603 ata_revision2speed(int revision)
604 {
605 	switch (revision) {
606 	case 1:
607 	default:
608 		return (150000);
609 	case 2:
610 		return (300000);
611 	case 3:
612 		return (600000);
613 	}
614 }
615 
616 int
617 ata_speed2revision(u_int speed)
618 {
619 	switch (speed) {
620 	case 0:
621 		return (0);
622 	case 150000:
623 		return (1);
624 	case 300000:
625 		return (2);
626 	case 600000:
627 		return (3);
628 	default:
629 		return (-1);
630 	}
631 }
632 
633 int
634 ata_identify_match(caddr_t identbuffer, caddr_t table_entry)
635 {
636 	struct scsi_inquiry_pattern *entry;
637 	struct ata_params *ident;
638 
639 	entry = (struct scsi_inquiry_pattern *)table_entry;
640 	ident = (struct ata_params *)identbuffer;
641 
642 	if ((cam_strmatch(ident->model, entry->product,
643 			  sizeof(ident->model)) == 0)
644 	 && (cam_strmatch(ident->revision, entry->revision,
645 			  sizeof(ident->revision)) == 0)) {
646 		return (0);
647 	}
648         return (-1);
649 }
650 
651 int
652 ata_static_identify_match(caddr_t identbuffer, caddr_t table_entry)
653 {
654 	struct scsi_static_inquiry_pattern *entry;
655 	struct ata_params *ident;
656 
657 	entry = (struct scsi_static_inquiry_pattern *)table_entry;
658 	ident = (struct ata_params *)identbuffer;
659 
660 	if ((cam_strmatch(ident->model, entry->product,
661 			  sizeof(ident->model)) == 0)
662 	 && (cam_strmatch(ident->revision, entry->revision,
663 			  sizeof(ident->revision)) == 0)) {
664 		return (0);
665 	}
666         return (-1);
667 }
668