ata_all.c revision 200008
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: head/sys/cam/ata/ata_all.c 200008 2009-12-01 23:01:29Z mav $");
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
58int
59ata_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
71char *
72ata_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_FUA48");
97	case 0x3e: return ("WRITE_DMA_QUEUED_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_MUL_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
160char *
161ata_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
174char *
175ata_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 */
191int
192ata_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 */
206int
207ata_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 */
239int
240ata_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
250void
251ata_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
274uint32_t
275ata_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
285uint64_t
286ata_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
296uint64_t
297ata_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
306void
307ata_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	if (cmd == ATA_READ_DMA ||
313	    cmd == ATA_READ_DMA_QUEUED ||
314	    cmd == ATA_WRITE_DMA ||
315	    cmd == ATA_WRITE_DMA_QUEUED)
316		ataio->cmd.flags |= CAM_ATAIO_DMA;
317	ataio->cmd.command = cmd;
318	ataio->cmd.features = features;
319	ataio->cmd.lba_low = lba;
320	ataio->cmd.lba_mid = lba >> 8;
321	ataio->cmd.lba_high = lba >> 16;
322	ataio->cmd.device = 0x40 | ((lba >> 24) & 0x0f);
323	ataio->cmd.sector_count = sector_count;
324}
325
326void
327ata_48bit_cmd(struct ccb_ataio *ataio, uint8_t cmd, uint16_t features,
328    uint64_t lba, uint16_t sector_count)
329{
330	bzero(&ataio->cmd, sizeof(ataio->cmd));
331	ataio->cmd.flags = CAM_ATAIO_48BIT;
332	if (cmd == ATA_READ_DMA48 ||
333	    cmd == ATA_READ_DMA_QUEUED48 ||
334	    cmd == ATA_READ_STREAM_DMA48 ||
335	    cmd == ATA_WRITE_DMA48 ||
336	    cmd == ATA_WRITE_DMA_FUA48 ||
337	    cmd == ATA_WRITE_DMA_QUEUED48 ||
338	    cmd == ATA_WRITE_DMA_QUEUED_FUA48 ||
339	    cmd == ATA_WRITE_STREAM_DMA48)
340		ataio->cmd.flags |= CAM_ATAIO_DMA;
341	ataio->cmd.command = cmd;
342	ataio->cmd.features = features;
343	ataio->cmd.lba_low = lba;
344	ataio->cmd.lba_mid = lba >> 8;
345	ataio->cmd.lba_high = lba >> 16;
346	ataio->cmd.device = 0x40;
347	ataio->cmd.lba_low_exp = lba >> 24;
348	ataio->cmd.lba_mid_exp = lba >> 32;
349	ataio->cmd.lba_high_exp = lba >> 40;
350	ataio->cmd.features_exp = features >> 8;
351	ataio->cmd.sector_count = sector_count;
352	ataio->cmd.sector_count_exp = sector_count >> 8;
353}
354
355void
356ata_ncq_cmd(struct ccb_ataio *ataio, uint8_t cmd,
357    uint64_t lba, uint16_t sector_count)
358{
359	bzero(&ataio->cmd, sizeof(ataio->cmd));
360	ataio->cmd.flags = CAM_ATAIO_48BIT | CAM_ATAIO_FPDMA;
361	ataio->cmd.command = cmd;
362	ataio->cmd.features = sector_count;
363	ataio->cmd.lba_low = lba;
364	ataio->cmd.lba_mid = lba >> 8;
365	ataio->cmd.lba_high = lba >> 16;
366	ataio->cmd.device = 0x40;
367	ataio->cmd.lba_low_exp = lba >> 24;
368	ataio->cmd.lba_mid_exp = lba >> 32;
369	ataio->cmd.lba_high_exp = lba >> 40;
370	ataio->cmd.features_exp = sector_count >> 8;
371}
372
373void
374ata_reset_cmd(struct ccb_ataio *ataio)
375{
376	bzero(&ataio->cmd, sizeof(ataio->cmd));
377	ataio->cmd.flags = CAM_ATAIO_CONTROL | CAM_ATAIO_NEEDRESULT;
378	ataio->cmd.control = 0x04;
379}
380
381void
382ata_pm_read_cmd(struct ccb_ataio *ataio, int reg, int port)
383{
384	bzero(&ataio->cmd, sizeof(ataio->cmd));
385	ataio->cmd.flags = CAM_ATAIO_NEEDRESULT;
386	ataio->cmd.command = ATA_READ_PM;
387	ataio->cmd.features = reg;
388	ataio->cmd.device = port & 0x0f;
389}
390
391void
392ata_pm_write_cmd(struct ccb_ataio *ataio, int reg, int port, uint32_t val)
393{
394	bzero(&ataio->cmd, sizeof(ataio->cmd));
395	ataio->cmd.flags = 0;
396	ataio->cmd.command = ATA_WRITE_PM;
397	ataio->cmd.features = reg;
398	ataio->cmd.sector_count = val;
399	ataio->cmd.lba_low = val >> 8;
400	ataio->cmd.lba_mid = val >> 16;
401	ataio->cmd.lba_high = val >> 24;
402	ataio->cmd.device = port & 0x0f;
403}
404
405void
406ata_bswap(int8_t *buf, int len)
407{
408	u_int16_t *ptr = (u_int16_t*)(buf + len);
409
410	while (--ptr >= (u_int16_t*)buf)
411		*ptr = be16toh(*ptr);
412}
413
414void
415ata_btrim(int8_t *buf, int len)
416{
417	int8_t *ptr;
418
419	for (ptr = buf; ptr < buf+len; ++ptr)
420		if (!*ptr || *ptr == '_')
421			*ptr = ' ';
422	for (ptr = buf + len - 1; ptr >= buf && *ptr == ' '; --ptr)
423		*ptr = 0;
424}
425
426void
427ata_bpack(int8_t *src, int8_t *dst, int len)
428{
429	int i, j, blank;
430
431	for (i = j = blank = 0 ; i < len; i++) {
432		if (blank && src[i] == ' ') continue;
433		if (blank && src[i] != ' ') {
434			dst[j++] = src[i];
435			blank = 0;
436			continue;
437		}
438		if (src[i] == ' ') {
439			blank = 1;
440			if (i == 0)
441			continue;
442		}
443		dst[j++] = src[i];
444	}
445	while (j < len)
446		dst[j++] = 0x00;
447}
448
449int
450ata_max_pmode(struct ata_params *ap)
451{
452    if (ap->atavalid & ATA_FLAG_64_70) {
453	if (ap->apiomodes & 0x02)
454	    return ATA_PIO4;
455	if (ap->apiomodes & 0x01)
456	    return ATA_PIO3;
457    }
458    if (ap->mwdmamodes & 0x04)
459	return ATA_PIO4;
460    if (ap->mwdmamodes & 0x02)
461	return ATA_PIO3;
462    if (ap->mwdmamodes & 0x01)
463	return ATA_PIO2;
464    if ((ap->retired_piomode & ATA_RETIRED_PIO_MASK) == 0x200)
465	return ATA_PIO2;
466    if ((ap->retired_piomode & ATA_RETIRED_PIO_MASK) == 0x100)
467	return ATA_PIO1;
468    if ((ap->retired_piomode & ATA_RETIRED_PIO_MASK) == 0x000)
469	return ATA_PIO0;
470    return ATA_PIO0;
471}
472
473int
474ata_max_wmode(struct ata_params *ap)
475{
476    if (ap->mwdmamodes & 0x04)
477	return ATA_WDMA2;
478    if (ap->mwdmamodes & 0x02)
479	return ATA_WDMA1;
480    if (ap->mwdmamodes & 0x01)
481	return ATA_WDMA0;
482    return -1;
483}
484
485int
486ata_max_umode(struct ata_params *ap)
487{
488    if (ap->atavalid & ATA_FLAG_88) {
489	if (ap->udmamodes & 0x40)
490	    return ATA_UDMA6;
491	if (ap->udmamodes & 0x20)
492	    return ATA_UDMA5;
493	if (ap->udmamodes & 0x10)
494	    return ATA_UDMA4;
495	if (ap->udmamodes & 0x08)
496	    return ATA_UDMA3;
497	if (ap->udmamodes & 0x04)
498	    return ATA_UDMA2;
499	if (ap->udmamodes & 0x02)
500	    return ATA_UDMA1;
501	if (ap->udmamodes & 0x01)
502	    return ATA_UDMA0;
503    }
504    return -1;
505}
506
507int
508ata_max_mode(struct ata_params *ap, int maxmode)
509{
510
511	if (maxmode == 0)
512		maxmode = ATA_DMA_MAX;
513	if (maxmode >= ATA_UDMA0 && ata_max_umode(ap) > 0)
514		return (min(maxmode, ata_max_umode(ap)));
515	if (maxmode >= ATA_WDMA0 && ata_max_wmode(ap) > 0)
516		return (min(maxmode, ata_max_wmode(ap)));
517	return (min(maxmode, ata_max_pmode(ap)));
518}
519
520char *
521ata_mode2string(int mode)
522{
523    switch (mode) {
524    case -1: return "UNSUPPORTED";
525    case 0: return "NONE";
526    case ATA_PIO0: return "PIO0";
527    case ATA_PIO1: return "PIO1";
528    case ATA_PIO2: return "PIO2";
529    case ATA_PIO3: return "PIO3";
530    case ATA_PIO4: return "PIO4";
531    case ATA_WDMA0: return "WDMA0";
532    case ATA_WDMA1: return "WDMA1";
533    case ATA_WDMA2: return "WDMA2";
534    case ATA_UDMA0: return "UDMA0";
535    case ATA_UDMA1: return "UDMA1";
536    case ATA_UDMA2: return "UDMA2";
537    case ATA_UDMA3: return "UDMA3";
538    case ATA_UDMA4: return "UDMA4";
539    case ATA_UDMA5: return "UDMA5";
540    case ATA_UDMA6: return "UDMA6";
541    default:
542	if (mode & ATA_DMA_MASK)
543	    return "BIOSDMA";
544	else
545	    return "BIOSPIO";
546    }
547}
548
549int
550ata_string2mode(char *str)
551{
552	if (!strcasecmp(str, "PIO0")) return (ATA_PIO0);
553	if (!strcasecmp(str, "PIO1")) return (ATA_PIO1);
554	if (!strcasecmp(str, "PIO2")) return (ATA_PIO2);
555	if (!strcasecmp(str, "PIO3")) return (ATA_PIO3);
556	if (!strcasecmp(str, "PIO4")) return (ATA_PIO4);
557	if (!strcasecmp(str, "WDMA0")) return (ATA_WDMA0);
558	if (!strcasecmp(str, "WDMA1")) return (ATA_WDMA1);
559	if (!strcasecmp(str, "WDMA2")) return (ATA_WDMA2);
560	if (!strcasecmp(str, "UDMA0")) return (ATA_UDMA0);
561	if (!strcasecmp(str, "UDMA16")) return (ATA_UDMA0);
562	if (!strcasecmp(str, "UDMA1")) return (ATA_UDMA1);
563	if (!strcasecmp(str, "UDMA25")) return (ATA_UDMA1);
564	if (!strcasecmp(str, "UDMA2")) return (ATA_UDMA2);
565	if (!strcasecmp(str, "UDMA33")) return (ATA_UDMA2);
566	if (!strcasecmp(str, "UDMA3")) return (ATA_UDMA3);
567	if (!strcasecmp(str, "UDMA44")) return (ATA_UDMA3);
568	if (!strcasecmp(str, "UDMA4")) return (ATA_UDMA4);
569	if (!strcasecmp(str, "UDMA66")) return (ATA_UDMA4);
570	if (!strcasecmp(str, "UDMA5")) return (ATA_UDMA5);
571	if (!strcasecmp(str, "UDMA100")) return (ATA_UDMA5);
572	if (!strcasecmp(str, "UDMA6")) return (ATA_UDMA6);
573	if (!strcasecmp(str, "UDMA133")) return (ATA_UDMA6);
574	return (-1);
575}
576
577
578u_int
579ata_mode2speed(int mode)
580{
581	switch (mode) {
582	case ATA_PIO0:
583	default:
584		return (3300);
585	case ATA_PIO1:
586		return (5200);
587	case ATA_PIO2:
588		return (8300);
589	case ATA_PIO3:
590		return (11100);
591	case ATA_PIO4:
592		return (16700);
593	case ATA_WDMA0:
594		return (4200);
595	case ATA_WDMA1:
596		return (13300);
597	case ATA_WDMA2:
598		return (16700);
599	case ATA_UDMA0:
600		return (16700);
601	case ATA_UDMA1:
602		return (25000);
603	case ATA_UDMA2:
604		return (33300);
605	case ATA_UDMA3:
606		return (44400);
607	case ATA_UDMA4:
608		return (66700);
609	case ATA_UDMA5:
610		return (100000);
611	case ATA_UDMA6:
612		return (133000);
613	}
614}
615
616u_int
617ata_revision2speed(int revision)
618{
619	switch (revision) {
620	case 1:
621	default:
622		return (150000);
623	case 2:
624		return (300000);
625	case 3:
626		return (600000);
627	}
628}
629
630int
631ata_speed2revision(u_int speed)
632{
633	switch (speed) {
634	case 0:
635		return (0);
636	case 150000:
637		return (1);
638	case 300000:
639		return (2);
640	case 600000:
641		return (3);
642	default:
643		return (-1);
644	}
645}
646
647int
648ata_identify_match(caddr_t identbuffer, caddr_t table_entry)
649{
650	struct scsi_inquiry_pattern *entry;
651	struct ata_params *ident;
652
653	entry = (struct scsi_inquiry_pattern *)table_entry;
654	ident = (struct ata_params *)identbuffer;
655
656	if ((cam_strmatch(ident->model, entry->product,
657			  sizeof(ident->model)) == 0)
658	 && (cam_strmatch(ident->revision, entry->revision,
659			  sizeof(ident->revision)) == 0)) {
660		return (0);
661	}
662        return (-1);
663}
664
665int
666ata_static_identify_match(caddr_t identbuffer, caddr_t table_entry)
667{
668	struct scsi_static_inquiry_pattern *entry;
669	struct ata_params *ident;
670
671	entry = (struct scsi_static_inquiry_pattern *)table_entry;
672	ident = (struct ata_params *)identbuffer;
673
674	if ((cam_strmatch(ident->model, entry->product,
675			  sizeof(ident->model)) == 0)
676	 && (cam_strmatch(ident->revision, entry->revision,
677			  sizeof(ident->revision)) == 0)) {
678		return (0);
679	}
680        return (-1);
681}
682