ata_all.c revision 201139
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 201139 2009-12-28 20:08:01Z 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 0x06:
79		switch (cmd->features) {
80	        case 0x01: return ("DSM TRIM");
81	        }
82	        return "DSM";
83	case 0x08: return ("DEVICE_RESET");
84	case 0x20: return ("READ");
85	case 0x24: return ("READ48");
86	case 0x25: return ("READ_DMA48");
87	case 0x26: return ("READ_DMA_QUEUED48");
88	case 0x27: return ("READ_NATIVE_MAX_ADDRESS48");
89	case 0x29: return ("READ_MUL48");
90	case 0x2a: return ("READ_STREAM_DMA48");
91	case 0x2b: return ("READ_STREAM48");
92	case 0x2f: return ("READ_LOG_EXT");
93	case 0x30: return ("WRITE");
94	case 0x34: return ("WRITE48");
95	case 0x35: return ("WRITE_DMA48");
96	case 0x36: return ("WRITE_DMA_QUEUED48");
97	case 0x37: return ("SET_MAX_ADDRESS48");
98	case 0x39: return ("WRITE_MUL48");
99	case 0x3a: return ("WRITE_STREAM_DMA48");
100	case 0x3b: return ("WRITE_STREAM48");
101	case 0x3d: return ("WRITE_DMA_FUA48");
102	case 0x3e: return ("WRITE_DMA_QUEUED_FUA48");
103	case 0x3f: return ("WRITE_LOG_EXT");
104	case 0x40: return ("READ_VERIFY");
105	case 0x42: return ("READ_VERIFY48");
106	case 0x51: return ("CONFIGURE_STREAM");
107	case 0x60: return ("READ_FPDMA_QUEUED");
108	case 0x61: return ("WRITE_FPDMA_QUEUED");
109	case 0x70: return ("SEEK");
110	case 0x87: return ("CFA_TRANSLATE_SECTOR");
111	case 0x90: return ("EXECUTE_DEVICE_DIAGNOSTIC");
112	case 0x92: return ("DOWNLOAD_MICROCODE");
113	case 0xa0: return ("PACKET");
114	case 0xa1: return ("ATAPI_IDENTIFY");
115	case 0xa2: return ("SERVICE");
116	case 0xb0: return ("SMART");
117	case 0xb1: return ("DEVICE CONFIGURATION");
118	case 0xc0: return ("CFA_ERASE");
119	case 0xc4: return ("READ_MUL");
120	case 0xc5: return ("WRITE_MUL");
121	case 0xc6: return ("SET_MULTI");
122	case 0xc7: return ("READ_DMA_QUEUED");
123	case 0xc8: return ("READ_DMA");
124	case 0xca: return ("WRITE_DMA");
125	case 0xcc: return ("WRITE_DMA_QUEUED");
126	case 0xcd: return ("CFA_WRITE_MULTIPLE_WITHOUT_ERASE");
127	case 0xce: return ("WRITE_MUL_FUA48");
128	case 0xd1: return ("CHECK_MEDIA_CARD_TYPE");
129	case 0xda: return ("GET_MEDIA_STATUS");
130	case 0xde: return ("MEDIA_LOCK");
131	case 0xdf: return ("MEDIA_UNLOCK");
132	case 0xe0: return ("STANDBY_IMMEDIATE");
133	case 0xe1: return ("IDLE_IMMEDIATE");
134	case 0xe2: return ("STANDBY");
135	case 0xe3: return ("IDLE");
136	case 0xe4: return ("READ_BUFFER/PM");
137	case 0xe5: return ("CHECK_POWER_MODE");
138	case 0xe6: return ("SLEEP");
139	case 0xe7: return ("FLUSHCACHE");
140	case 0xe8: return ("WRITE_PM");
141	case 0xea: return ("FLUSHCACHE48");
142	case 0xec: return ("ATA_IDENTIFY");
143	case 0xed: return ("MEDIA_EJECT");
144	case 0xef:
145		switch (cmd->features) {
146	        case 0x03: return ("SETFEATURES SET TRANSFER MODE");
147	        case 0x02: return ("SETFEATURES ENABLE WCACHE");
148	        case 0x82: return ("SETFEATURES DISABLE WCACHE");
149	        case 0xaa: return ("SETFEATURES ENABLE RCACHE");
150	        case 0x55: return ("SETFEATURES DISABLE RCACHE");
151	        }
152	        return "SETFEATURES";
153	case 0xf1: return ("SECURITY_SET_PASSWORD");
154	case 0xf2: return ("SECURITY_UNLOCK");
155	case 0xf3: return ("SECURITY_ERASE_PREPARE");
156	case 0xf4: return ("SECURITY_ERASE_UNIT");
157	case 0xf5: return ("SECURITY_FREE_LOCK");
158	case 0xf6: return ("SECURITY DISABLE PASSWORD");
159	case 0xf8: return ("READ_NATIVE_MAX_ADDRESS");
160	case 0xf9: return ("SET_MAX_ADDRESS");
161	}
162	return "UNKNOWN";
163}
164
165char *
166ata_cmd_string(struct ata_cmd *cmd, char *cmd_string, size_t len)
167{
168
169	snprintf(cmd_string, len, "%02x %02x %02x %02x "
170	    "%02x %02x %02x %02x %02x %02x %02x %02x",
171	    cmd->command, cmd->features,
172	    cmd->lba_low, cmd->lba_mid, cmd->lba_high, cmd->device,
173	    cmd->lba_low_exp, cmd->lba_mid_exp, cmd->lba_high_exp,
174	    cmd->features_exp, cmd->sector_count, cmd->sector_count_exp);
175
176	return(cmd_string);
177}
178
179char *
180ata_res_string(struct ata_res *res, char *res_string, size_t len)
181{
182
183	snprintf(res_string, len, "%02x %02x %02x %02x "
184	    "%02x %02x %02x %02x %02x %02x %02x",
185	    res->status, res->error,
186	    res->lba_low, res->lba_mid, res->lba_high, res->device,
187	    res->lba_low_exp, res->lba_mid_exp, res->lba_high_exp,
188	    res->sector_count, res->sector_count_exp);
189
190	return(res_string);
191}
192
193/*
194 * ata_command_sbuf() returns 0 for success and -1 for failure.
195 */
196int
197ata_command_sbuf(struct ccb_ataio *ataio, struct sbuf *sb)
198{
199	char cmd_str[(12 * 3) + 1];
200
201	sbuf_printf(sb, "CMD: %s: %s",
202	    ata_op_string(&ataio->cmd),
203	    ata_cmd_string(&ataio->cmd, cmd_str, sizeof(cmd_str)));
204
205	return(0);
206}
207
208/*
209 * ata_status_abuf() returns 0 for success and -1 for failure.
210 */
211int
212ata_status_sbuf(struct ccb_ataio *ataio, struct sbuf *sb)
213{
214
215	sbuf_printf(sb, "ATA Status: %02x (%s%s%s%s%s%s%s%s)",
216	    ataio->res.status,
217	    (ataio->res.status & 0x80) ? "BSY " : "",
218	    (ataio->res.status & 0x40) ? "DRDY " : "",
219	    (ataio->res.status & 0x20) ? "DF " : "",
220	    (ataio->res.status & 0x10) ? "SERV " : "",
221	    (ataio->res.status & 0x08) ? "DRQ " : "",
222	    (ataio->res.status & 0x04) ? "CORR " : "",
223	    (ataio->res.status & 0x02) ? "IDX " : "",
224	    (ataio->res.status & 0x01) ? "ERR" : "");
225	if (ataio->res.status & 1) {
226	    sbuf_printf(sb, ", Error: %02x (%s%s%s%s%s%s%s%s)",
227		ataio->res.error,
228		(ataio->res.error & 0x80) ? "ICRC " : "",
229		(ataio->res.error & 0x40) ? "UNC " : "",
230		(ataio->res.error & 0x20) ? "MC " : "",
231		(ataio->res.error & 0x10) ? "IDNF " : "",
232		(ataio->res.error & 0x08) ? "MCR " : "",
233		(ataio->res.error & 0x04) ? "ABRT " : "",
234		(ataio->res.error & 0x02) ? "NM " : "",
235		(ataio->res.error & 0x01) ? "ILI" : "");
236	}
237
238	return(0);
239}
240
241/*
242 * ata_res_sbuf() returns 0 for success and -1 for failure.
243 */
244int
245ata_res_sbuf(struct ccb_ataio *ataio, struct sbuf *sb)
246{
247	char res_str[(11 * 3) + 1];
248
249	sbuf_printf(sb, "RES: %s",
250	    ata_res_string(&ataio->res, res_str, sizeof(res_str)));
251
252	return(0);
253}
254
255void
256ata_print_ident(struct ata_params *ident_data)
257{
258	char product[48], revision[16];
259
260	cam_strvis(product, ident_data->model, sizeof(ident_data->model),
261		   sizeof(product));
262	cam_strvis(revision, ident_data->revision, sizeof(ident_data->revision),
263		   sizeof(revision));
264	printf("<%s %s> %s-%d",
265	    product, revision,
266	    (ident_data->config & ATA_PROTO_ATAPI) ? "ATAPI" : "ATA",
267	    ata_version(ident_data->version_major));
268	if (ident_data->satacapabilities && ident_data->satacapabilities != 0xffff) {
269		if (ident_data->satacapabilities & ATA_SATA_GEN3)
270			printf(" SATA 3.x");
271		else if (ident_data->satacapabilities & ATA_SATA_GEN2)
272			printf(" SATA 2.x");
273		else if (ident_data->satacapabilities & ATA_SATA_GEN1)
274			printf(" SATA 1.x");
275		else
276			printf(" SATA");
277	}
278	printf(" device\n");
279}
280
281uint32_t
282ata_logical_sector_size(struct ata_params *ident_data)
283{
284	if ((ident_data->pss & 0xc000) == 0x4000 &&
285	    (ident_data->pss & ATA_PSS_LSSABOVE512)) {
286		return ((u_int32_t)ident_data->lss_1 |
287		    ((u_int32_t)ident_data->lss_2 << 16));
288	}
289	return (512);
290}
291
292uint64_t
293ata_physical_sector_size(struct ata_params *ident_data)
294{
295	if ((ident_data->pss & 0xc000) == 0x4000 &&
296	    (ident_data->pss & ATA_PSS_MULTLS)) {
297		return ((uint64_t)ata_logical_sector_size(ident_data) *
298		    (1 << (ident_data->pss & ATA_PSS_LSPPS)));
299	}
300	return (512);
301}
302
303uint64_t
304ata_logical_sector_offset(struct ata_params *ident_data)
305{
306	if ((ident_data->lsalign & 0xc000) == 0x4000) {
307		return ((uint64_t)ata_logical_sector_size(ident_data) *
308		    (ident_data->lsalign & 0x3fff));
309	}
310	return (0);
311}
312
313void
314ata_28bit_cmd(struct ccb_ataio *ataio, uint8_t cmd, uint8_t features,
315    uint32_t lba, uint8_t sector_count)
316{
317	bzero(&ataio->cmd, sizeof(ataio->cmd));
318	ataio->cmd.flags = 0;
319	if (cmd == ATA_READ_DMA ||
320	    cmd == ATA_READ_DMA_QUEUED ||
321	    cmd == ATA_WRITE_DMA ||
322	    cmd == ATA_WRITE_DMA_QUEUED)
323		ataio->cmd.flags |= CAM_ATAIO_DMA;
324	ataio->cmd.command = cmd;
325	ataio->cmd.features = features;
326	ataio->cmd.lba_low = lba;
327	ataio->cmd.lba_mid = lba >> 8;
328	ataio->cmd.lba_high = lba >> 16;
329	ataio->cmd.device = 0x40 | ((lba >> 24) & 0x0f);
330	ataio->cmd.sector_count = sector_count;
331}
332
333void
334ata_48bit_cmd(struct ccb_ataio *ataio, uint8_t cmd, uint16_t features,
335    uint64_t lba, uint16_t sector_count)
336{
337	bzero(&ataio->cmd, sizeof(ataio->cmd));
338	ataio->cmd.flags = CAM_ATAIO_48BIT;
339	if (cmd == ATA_READ_DMA48 ||
340	    cmd == ATA_READ_DMA_QUEUED48 ||
341	    cmd == ATA_READ_STREAM_DMA48 ||
342	    cmd == ATA_WRITE_DMA48 ||
343	    cmd == ATA_WRITE_DMA_FUA48 ||
344	    cmd == ATA_WRITE_DMA_QUEUED48 ||
345	    cmd == ATA_WRITE_DMA_QUEUED_FUA48 ||
346	    cmd == ATA_WRITE_STREAM_DMA48 ||
347	    cmd == ATA_DATA_SET_MANAGEMENT)
348		ataio->cmd.flags |= CAM_ATAIO_DMA;
349	ataio->cmd.command = cmd;
350	ataio->cmd.features = features;
351	ataio->cmd.lba_low = lba;
352	ataio->cmd.lba_mid = lba >> 8;
353	ataio->cmd.lba_high = lba >> 16;
354	ataio->cmd.device = 0x40;
355	ataio->cmd.lba_low_exp = lba >> 24;
356	ataio->cmd.lba_mid_exp = lba >> 32;
357	ataio->cmd.lba_high_exp = lba >> 40;
358	ataio->cmd.features_exp = features >> 8;
359	ataio->cmd.sector_count = sector_count;
360	ataio->cmd.sector_count_exp = sector_count >> 8;
361}
362
363void
364ata_ncq_cmd(struct ccb_ataio *ataio, uint8_t cmd,
365    uint64_t lba, uint16_t sector_count)
366{
367	bzero(&ataio->cmd, sizeof(ataio->cmd));
368	ataio->cmd.flags = CAM_ATAIO_48BIT | CAM_ATAIO_FPDMA;
369	ataio->cmd.command = cmd;
370	ataio->cmd.features = sector_count;
371	ataio->cmd.lba_low = lba;
372	ataio->cmd.lba_mid = lba >> 8;
373	ataio->cmd.lba_high = lba >> 16;
374	ataio->cmd.device = 0x40;
375	ataio->cmd.lba_low_exp = lba >> 24;
376	ataio->cmd.lba_mid_exp = lba >> 32;
377	ataio->cmd.lba_high_exp = lba >> 40;
378	ataio->cmd.features_exp = sector_count >> 8;
379}
380
381void
382ata_reset_cmd(struct ccb_ataio *ataio)
383{
384	bzero(&ataio->cmd, sizeof(ataio->cmd));
385	ataio->cmd.flags = CAM_ATAIO_CONTROL | CAM_ATAIO_NEEDRESULT;
386	ataio->cmd.control = 0x04;
387}
388
389void
390ata_pm_read_cmd(struct ccb_ataio *ataio, int reg, int port)
391{
392	bzero(&ataio->cmd, sizeof(ataio->cmd));
393	ataio->cmd.flags = CAM_ATAIO_NEEDRESULT;
394	ataio->cmd.command = ATA_READ_PM;
395	ataio->cmd.features = reg;
396	ataio->cmd.device = port & 0x0f;
397}
398
399void
400ata_pm_write_cmd(struct ccb_ataio *ataio, int reg, int port, uint32_t val)
401{
402	bzero(&ataio->cmd, sizeof(ataio->cmd));
403	ataio->cmd.flags = 0;
404	ataio->cmd.command = ATA_WRITE_PM;
405	ataio->cmd.features = reg;
406	ataio->cmd.sector_count = val;
407	ataio->cmd.lba_low = val >> 8;
408	ataio->cmd.lba_mid = val >> 16;
409	ataio->cmd.lba_high = val >> 24;
410	ataio->cmd.device = port & 0x0f;
411}
412
413void
414ata_bswap(int8_t *buf, int len)
415{
416	u_int16_t *ptr = (u_int16_t*)(buf + len);
417
418	while (--ptr >= (u_int16_t*)buf)
419		*ptr = be16toh(*ptr);
420}
421
422void
423ata_btrim(int8_t *buf, int len)
424{
425	int8_t *ptr;
426
427	for (ptr = buf; ptr < buf+len; ++ptr)
428		if (!*ptr || *ptr == '_')
429			*ptr = ' ';
430	for (ptr = buf + len - 1; ptr >= buf && *ptr == ' '; --ptr)
431		*ptr = 0;
432}
433
434void
435ata_bpack(int8_t *src, int8_t *dst, int len)
436{
437	int i, j, blank;
438
439	for (i = j = blank = 0 ; i < len; i++) {
440		if (blank && src[i] == ' ') continue;
441		if (blank && src[i] != ' ') {
442			dst[j++] = src[i];
443			blank = 0;
444			continue;
445		}
446		if (src[i] == ' ') {
447			blank = 1;
448			if (i == 0)
449			continue;
450		}
451		dst[j++] = src[i];
452	}
453	while (j < len)
454		dst[j++] = 0x00;
455}
456
457int
458ata_max_pmode(struct ata_params *ap)
459{
460    if (ap->atavalid & ATA_FLAG_64_70) {
461	if (ap->apiomodes & 0x02)
462	    return ATA_PIO4;
463	if (ap->apiomodes & 0x01)
464	    return ATA_PIO3;
465    }
466    if (ap->mwdmamodes & 0x04)
467	return ATA_PIO4;
468    if (ap->mwdmamodes & 0x02)
469	return ATA_PIO3;
470    if (ap->mwdmamodes & 0x01)
471	return ATA_PIO2;
472    if ((ap->retired_piomode & ATA_RETIRED_PIO_MASK) == 0x200)
473	return ATA_PIO2;
474    if ((ap->retired_piomode & ATA_RETIRED_PIO_MASK) == 0x100)
475	return ATA_PIO1;
476    if ((ap->retired_piomode & ATA_RETIRED_PIO_MASK) == 0x000)
477	return ATA_PIO0;
478    return ATA_PIO0;
479}
480
481int
482ata_max_wmode(struct ata_params *ap)
483{
484    if (ap->mwdmamodes & 0x04)
485	return ATA_WDMA2;
486    if (ap->mwdmamodes & 0x02)
487	return ATA_WDMA1;
488    if (ap->mwdmamodes & 0x01)
489	return ATA_WDMA0;
490    return -1;
491}
492
493int
494ata_max_umode(struct ata_params *ap)
495{
496    if (ap->atavalid & ATA_FLAG_88) {
497	if (ap->udmamodes & 0x40)
498	    return ATA_UDMA6;
499	if (ap->udmamodes & 0x20)
500	    return ATA_UDMA5;
501	if (ap->udmamodes & 0x10)
502	    return ATA_UDMA4;
503	if (ap->udmamodes & 0x08)
504	    return ATA_UDMA3;
505	if (ap->udmamodes & 0x04)
506	    return ATA_UDMA2;
507	if (ap->udmamodes & 0x02)
508	    return ATA_UDMA1;
509	if (ap->udmamodes & 0x01)
510	    return ATA_UDMA0;
511    }
512    return -1;
513}
514
515int
516ata_max_mode(struct ata_params *ap, int maxmode)
517{
518
519	if (maxmode == 0)
520		maxmode = ATA_DMA_MAX;
521	if (maxmode >= ATA_UDMA0 && ata_max_umode(ap) > 0)
522		return (min(maxmode, ata_max_umode(ap)));
523	if (maxmode >= ATA_WDMA0 && ata_max_wmode(ap) > 0)
524		return (min(maxmode, ata_max_wmode(ap)));
525	return (min(maxmode, ata_max_pmode(ap)));
526}
527
528char *
529ata_mode2string(int mode)
530{
531    switch (mode) {
532    case -1: return "UNSUPPORTED";
533    case 0: return "NONE";
534    case ATA_PIO0: return "PIO0";
535    case ATA_PIO1: return "PIO1";
536    case ATA_PIO2: return "PIO2";
537    case ATA_PIO3: return "PIO3";
538    case ATA_PIO4: return "PIO4";
539    case ATA_WDMA0: return "WDMA0";
540    case ATA_WDMA1: return "WDMA1";
541    case ATA_WDMA2: return "WDMA2";
542    case ATA_UDMA0: return "UDMA0";
543    case ATA_UDMA1: return "UDMA1";
544    case ATA_UDMA2: return "UDMA2";
545    case ATA_UDMA3: return "UDMA3";
546    case ATA_UDMA4: return "UDMA4";
547    case ATA_UDMA5: return "UDMA5";
548    case ATA_UDMA6: return "UDMA6";
549    default:
550	if (mode & ATA_DMA_MASK)
551	    return "BIOSDMA";
552	else
553	    return "BIOSPIO";
554    }
555}
556
557int
558ata_string2mode(char *str)
559{
560	if (!strcasecmp(str, "PIO0")) return (ATA_PIO0);
561	if (!strcasecmp(str, "PIO1")) return (ATA_PIO1);
562	if (!strcasecmp(str, "PIO2")) return (ATA_PIO2);
563	if (!strcasecmp(str, "PIO3")) return (ATA_PIO3);
564	if (!strcasecmp(str, "PIO4")) return (ATA_PIO4);
565	if (!strcasecmp(str, "WDMA0")) return (ATA_WDMA0);
566	if (!strcasecmp(str, "WDMA1")) return (ATA_WDMA1);
567	if (!strcasecmp(str, "WDMA2")) return (ATA_WDMA2);
568	if (!strcasecmp(str, "UDMA0")) return (ATA_UDMA0);
569	if (!strcasecmp(str, "UDMA16")) return (ATA_UDMA0);
570	if (!strcasecmp(str, "UDMA1")) return (ATA_UDMA1);
571	if (!strcasecmp(str, "UDMA25")) return (ATA_UDMA1);
572	if (!strcasecmp(str, "UDMA2")) return (ATA_UDMA2);
573	if (!strcasecmp(str, "UDMA33")) return (ATA_UDMA2);
574	if (!strcasecmp(str, "UDMA3")) return (ATA_UDMA3);
575	if (!strcasecmp(str, "UDMA44")) return (ATA_UDMA3);
576	if (!strcasecmp(str, "UDMA4")) return (ATA_UDMA4);
577	if (!strcasecmp(str, "UDMA66")) return (ATA_UDMA4);
578	if (!strcasecmp(str, "UDMA5")) return (ATA_UDMA5);
579	if (!strcasecmp(str, "UDMA100")) return (ATA_UDMA5);
580	if (!strcasecmp(str, "UDMA6")) return (ATA_UDMA6);
581	if (!strcasecmp(str, "UDMA133")) return (ATA_UDMA6);
582	return (-1);
583}
584
585
586u_int
587ata_mode2speed(int mode)
588{
589	switch (mode) {
590	case ATA_PIO0:
591	default:
592		return (3300);
593	case ATA_PIO1:
594		return (5200);
595	case ATA_PIO2:
596		return (8300);
597	case ATA_PIO3:
598		return (11100);
599	case ATA_PIO4:
600		return (16700);
601	case ATA_WDMA0:
602		return (4200);
603	case ATA_WDMA1:
604		return (13300);
605	case ATA_WDMA2:
606		return (16700);
607	case ATA_UDMA0:
608		return (16700);
609	case ATA_UDMA1:
610		return (25000);
611	case ATA_UDMA2:
612		return (33300);
613	case ATA_UDMA3:
614		return (44400);
615	case ATA_UDMA4:
616		return (66700);
617	case ATA_UDMA5:
618		return (100000);
619	case ATA_UDMA6:
620		return (133000);
621	}
622}
623
624u_int
625ata_revision2speed(int revision)
626{
627	switch (revision) {
628	case 1:
629	default:
630		return (150000);
631	case 2:
632		return (300000);
633	case 3:
634		return (600000);
635	}
636}
637
638int
639ata_speed2revision(u_int speed)
640{
641	switch (speed) {
642	case 0:
643		return (0);
644	case 150000:
645		return (1);
646	case 300000:
647		return (2);
648	case 600000:
649		return (3);
650	default:
651		return (-1);
652	}
653}
654
655int
656ata_identify_match(caddr_t identbuffer, caddr_t table_entry)
657{
658	struct scsi_inquiry_pattern *entry;
659	struct ata_params *ident;
660
661	entry = (struct scsi_inquiry_pattern *)table_entry;
662	ident = (struct ata_params *)identbuffer;
663
664	if ((cam_strmatch(ident->model, entry->product,
665			  sizeof(ident->model)) == 0)
666	 && (cam_strmatch(ident->revision, entry->revision,
667			  sizeof(ident->revision)) == 0)) {
668		return (0);
669	}
670        return (-1);
671}
672
673int
674ata_static_identify_match(caddr_t identbuffer, caddr_t table_entry)
675{
676	struct scsi_static_inquiry_pattern *entry;
677	struct ata_params *ident;
678
679	entry = (struct scsi_static_inquiry_pattern *)table_entry;
680	ident = (struct ata_params *)identbuffer;
681
682	if ((cam_strmatch(ident->model, entry->product,
683			  sizeof(ident->model)) == 0)
684	 && (cam_strmatch(ident->revision, entry->revision,
685			  sizeof(ident->revision)) == 0)) {
686		return (0);
687	}
688        return (-1);
689}
690