ata_all.c revision 200218
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 200218 2009-12-07 16:23:25Z 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> %s-%d",
260	    product, revision,
261	    (ident_data->config & ATA_PROTO_ATAPI) ? "ATAPI" : "ATA",
262	    ata_version(ident_data->version_major));
263	if (ident_data->satacapabilities && ident_data->satacapabilities != 0xffff) {
264		if (ident_data->satacapabilities & ATA_SATA_GEN3)
265			printf(" SATA 3.x");
266		else if (ident_data->satacapabilities & ATA_SATA_GEN2)
267			printf(" SATA 2.x");
268		else if (ident_data->satacapabilities & ATA_SATA_GEN1)
269			printf(" SATA 1.x");
270		else
271			printf(" SATA");
272	}
273	printf(" device\n");
274}
275
276uint32_t
277ata_logical_sector_size(struct ata_params *ident_data)
278{
279	if ((ident_data->pss & 0xc000) == 0x4000 &&
280	    (ident_data->pss & ATA_PSS_LSSABOVE512)) {
281		return ((u_int32_t)ident_data->lss_1 |
282		    ((u_int32_t)ident_data->lss_2 << 16));
283	}
284	return (512);
285}
286
287uint64_t
288ata_physical_sector_size(struct ata_params *ident_data)
289{
290	if ((ident_data->pss & 0xc000) == 0x4000 &&
291	    (ident_data->pss & ATA_PSS_MULTLS)) {
292		return ((uint64_t)ata_logical_sector_size(ident_data) *
293		    (1 << (ident_data->pss & ATA_PSS_LSPPS)));
294	}
295	return (512);
296}
297
298uint64_t
299ata_logical_sector_offset(struct ata_params *ident_data)
300{
301	if ((ident_data->lsalign & 0xc000) == 0x4000) {
302		return ((uint64_t)ata_logical_sector_size(ident_data) *
303		    (ident_data->lsalign & 0x3fff));
304	}
305	return (0);
306}
307
308void
309ata_28bit_cmd(struct ccb_ataio *ataio, uint8_t cmd, uint8_t features,
310    uint32_t lba, uint8_t sector_count)
311{
312	bzero(&ataio->cmd, sizeof(ataio->cmd));
313	ataio->cmd.flags = 0;
314	if (cmd == ATA_READ_DMA ||
315	    cmd == ATA_READ_DMA_QUEUED ||
316	    cmd == ATA_WRITE_DMA ||
317	    cmd == ATA_WRITE_DMA_QUEUED)
318		ataio->cmd.flags |= CAM_ATAIO_DMA;
319	ataio->cmd.command = cmd;
320	ataio->cmd.features = features;
321	ataio->cmd.lba_low = lba;
322	ataio->cmd.lba_mid = lba >> 8;
323	ataio->cmd.lba_high = lba >> 16;
324	ataio->cmd.device = 0x40 | ((lba >> 24) & 0x0f);
325	ataio->cmd.sector_count = sector_count;
326}
327
328void
329ata_48bit_cmd(struct ccb_ataio *ataio, uint8_t cmd, uint16_t features,
330    uint64_t lba, uint16_t sector_count)
331{
332	bzero(&ataio->cmd, sizeof(ataio->cmd));
333	ataio->cmd.flags = CAM_ATAIO_48BIT;
334	if (cmd == ATA_READ_DMA48 ||
335	    cmd == ATA_READ_DMA_QUEUED48 ||
336	    cmd == ATA_READ_STREAM_DMA48 ||
337	    cmd == ATA_WRITE_DMA48 ||
338	    cmd == ATA_WRITE_DMA_FUA48 ||
339	    cmd == ATA_WRITE_DMA_QUEUED48 ||
340	    cmd == ATA_WRITE_DMA_QUEUED_FUA48 ||
341	    cmd == ATA_WRITE_STREAM_DMA48)
342		ataio->cmd.flags |= CAM_ATAIO_DMA;
343	ataio->cmd.command = cmd;
344	ataio->cmd.features = features;
345	ataio->cmd.lba_low = lba;
346	ataio->cmd.lba_mid = lba >> 8;
347	ataio->cmd.lba_high = lba >> 16;
348	ataio->cmd.device = 0x40;
349	ataio->cmd.lba_low_exp = lba >> 24;
350	ataio->cmd.lba_mid_exp = lba >> 32;
351	ataio->cmd.lba_high_exp = lba >> 40;
352	ataio->cmd.features_exp = features >> 8;
353	ataio->cmd.sector_count = sector_count;
354	ataio->cmd.sector_count_exp = sector_count >> 8;
355}
356
357void
358ata_ncq_cmd(struct ccb_ataio *ataio, uint8_t cmd,
359    uint64_t lba, uint16_t sector_count)
360{
361	bzero(&ataio->cmd, sizeof(ataio->cmd));
362	ataio->cmd.flags = CAM_ATAIO_48BIT | CAM_ATAIO_FPDMA;
363	ataio->cmd.command = cmd;
364	ataio->cmd.features = sector_count;
365	ataio->cmd.lba_low = lba;
366	ataio->cmd.lba_mid = lba >> 8;
367	ataio->cmd.lba_high = lba >> 16;
368	ataio->cmd.device = 0x40;
369	ataio->cmd.lba_low_exp = lba >> 24;
370	ataio->cmd.lba_mid_exp = lba >> 32;
371	ataio->cmd.lba_high_exp = lba >> 40;
372	ataio->cmd.features_exp = sector_count >> 8;
373}
374
375void
376ata_reset_cmd(struct ccb_ataio *ataio)
377{
378	bzero(&ataio->cmd, sizeof(ataio->cmd));
379	ataio->cmd.flags = CAM_ATAIO_CONTROL | CAM_ATAIO_NEEDRESULT;
380	ataio->cmd.control = 0x04;
381}
382
383void
384ata_pm_read_cmd(struct ccb_ataio *ataio, int reg, int port)
385{
386	bzero(&ataio->cmd, sizeof(ataio->cmd));
387	ataio->cmd.flags = CAM_ATAIO_NEEDRESULT;
388	ataio->cmd.command = ATA_READ_PM;
389	ataio->cmd.features = reg;
390	ataio->cmd.device = port & 0x0f;
391}
392
393void
394ata_pm_write_cmd(struct ccb_ataio *ataio, int reg, int port, uint32_t val)
395{
396	bzero(&ataio->cmd, sizeof(ataio->cmd));
397	ataio->cmd.flags = 0;
398	ataio->cmd.command = ATA_WRITE_PM;
399	ataio->cmd.features = reg;
400	ataio->cmd.sector_count = val;
401	ataio->cmd.lba_low = val >> 8;
402	ataio->cmd.lba_mid = val >> 16;
403	ataio->cmd.lba_high = val >> 24;
404	ataio->cmd.device = port & 0x0f;
405}
406
407void
408ata_bswap(int8_t *buf, int len)
409{
410	u_int16_t *ptr = (u_int16_t*)(buf + len);
411
412	while (--ptr >= (u_int16_t*)buf)
413		*ptr = be16toh(*ptr);
414}
415
416void
417ata_btrim(int8_t *buf, int len)
418{
419	int8_t *ptr;
420
421	for (ptr = buf; ptr < buf+len; ++ptr)
422		if (!*ptr || *ptr == '_')
423			*ptr = ' ';
424	for (ptr = buf + len - 1; ptr >= buf && *ptr == ' '; --ptr)
425		*ptr = 0;
426}
427
428void
429ata_bpack(int8_t *src, int8_t *dst, int len)
430{
431	int i, j, blank;
432
433	for (i = j = blank = 0 ; i < len; i++) {
434		if (blank && src[i] == ' ') continue;
435		if (blank && src[i] != ' ') {
436			dst[j++] = src[i];
437			blank = 0;
438			continue;
439		}
440		if (src[i] == ' ') {
441			blank = 1;
442			if (i == 0)
443			continue;
444		}
445		dst[j++] = src[i];
446	}
447	while (j < len)
448		dst[j++] = 0x00;
449}
450
451int
452ata_max_pmode(struct ata_params *ap)
453{
454    if (ap->atavalid & ATA_FLAG_64_70) {
455	if (ap->apiomodes & 0x02)
456	    return ATA_PIO4;
457	if (ap->apiomodes & 0x01)
458	    return ATA_PIO3;
459    }
460    if (ap->mwdmamodes & 0x04)
461	return ATA_PIO4;
462    if (ap->mwdmamodes & 0x02)
463	return ATA_PIO3;
464    if (ap->mwdmamodes & 0x01)
465	return ATA_PIO2;
466    if ((ap->retired_piomode & ATA_RETIRED_PIO_MASK) == 0x200)
467	return ATA_PIO2;
468    if ((ap->retired_piomode & ATA_RETIRED_PIO_MASK) == 0x100)
469	return ATA_PIO1;
470    if ((ap->retired_piomode & ATA_RETIRED_PIO_MASK) == 0x000)
471	return ATA_PIO0;
472    return ATA_PIO0;
473}
474
475int
476ata_max_wmode(struct ata_params *ap)
477{
478    if (ap->mwdmamodes & 0x04)
479	return ATA_WDMA2;
480    if (ap->mwdmamodes & 0x02)
481	return ATA_WDMA1;
482    if (ap->mwdmamodes & 0x01)
483	return ATA_WDMA0;
484    return -1;
485}
486
487int
488ata_max_umode(struct ata_params *ap)
489{
490    if (ap->atavalid & ATA_FLAG_88) {
491	if (ap->udmamodes & 0x40)
492	    return ATA_UDMA6;
493	if (ap->udmamodes & 0x20)
494	    return ATA_UDMA5;
495	if (ap->udmamodes & 0x10)
496	    return ATA_UDMA4;
497	if (ap->udmamodes & 0x08)
498	    return ATA_UDMA3;
499	if (ap->udmamodes & 0x04)
500	    return ATA_UDMA2;
501	if (ap->udmamodes & 0x02)
502	    return ATA_UDMA1;
503	if (ap->udmamodes & 0x01)
504	    return ATA_UDMA0;
505    }
506    return -1;
507}
508
509int
510ata_max_mode(struct ata_params *ap, int maxmode)
511{
512
513	if (maxmode == 0)
514		maxmode = ATA_DMA_MAX;
515	if (maxmode >= ATA_UDMA0 && ata_max_umode(ap) > 0)
516		return (min(maxmode, ata_max_umode(ap)));
517	if (maxmode >= ATA_WDMA0 && ata_max_wmode(ap) > 0)
518		return (min(maxmode, ata_max_wmode(ap)));
519	return (min(maxmode, ata_max_pmode(ap)));
520}
521
522char *
523ata_mode2string(int mode)
524{
525    switch (mode) {
526    case -1: return "UNSUPPORTED";
527    case 0: return "NONE";
528    case ATA_PIO0: return "PIO0";
529    case ATA_PIO1: return "PIO1";
530    case ATA_PIO2: return "PIO2";
531    case ATA_PIO3: return "PIO3";
532    case ATA_PIO4: return "PIO4";
533    case ATA_WDMA0: return "WDMA0";
534    case ATA_WDMA1: return "WDMA1";
535    case ATA_WDMA2: return "WDMA2";
536    case ATA_UDMA0: return "UDMA0";
537    case ATA_UDMA1: return "UDMA1";
538    case ATA_UDMA2: return "UDMA2";
539    case ATA_UDMA3: return "UDMA3";
540    case ATA_UDMA4: return "UDMA4";
541    case ATA_UDMA5: return "UDMA5";
542    case ATA_UDMA6: return "UDMA6";
543    default:
544	if (mode & ATA_DMA_MASK)
545	    return "BIOSDMA";
546	else
547	    return "BIOSPIO";
548    }
549}
550
551int
552ata_string2mode(char *str)
553{
554	if (!strcasecmp(str, "PIO0")) return (ATA_PIO0);
555	if (!strcasecmp(str, "PIO1")) return (ATA_PIO1);
556	if (!strcasecmp(str, "PIO2")) return (ATA_PIO2);
557	if (!strcasecmp(str, "PIO3")) return (ATA_PIO3);
558	if (!strcasecmp(str, "PIO4")) return (ATA_PIO4);
559	if (!strcasecmp(str, "WDMA0")) return (ATA_WDMA0);
560	if (!strcasecmp(str, "WDMA1")) return (ATA_WDMA1);
561	if (!strcasecmp(str, "WDMA2")) return (ATA_WDMA2);
562	if (!strcasecmp(str, "UDMA0")) return (ATA_UDMA0);
563	if (!strcasecmp(str, "UDMA16")) return (ATA_UDMA0);
564	if (!strcasecmp(str, "UDMA1")) return (ATA_UDMA1);
565	if (!strcasecmp(str, "UDMA25")) return (ATA_UDMA1);
566	if (!strcasecmp(str, "UDMA2")) return (ATA_UDMA2);
567	if (!strcasecmp(str, "UDMA33")) return (ATA_UDMA2);
568	if (!strcasecmp(str, "UDMA3")) return (ATA_UDMA3);
569	if (!strcasecmp(str, "UDMA44")) return (ATA_UDMA3);
570	if (!strcasecmp(str, "UDMA4")) return (ATA_UDMA4);
571	if (!strcasecmp(str, "UDMA66")) return (ATA_UDMA4);
572	if (!strcasecmp(str, "UDMA5")) return (ATA_UDMA5);
573	if (!strcasecmp(str, "UDMA100")) return (ATA_UDMA5);
574	if (!strcasecmp(str, "UDMA6")) return (ATA_UDMA6);
575	if (!strcasecmp(str, "UDMA133")) return (ATA_UDMA6);
576	return (-1);
577}
578
579
580u_int
581ata_mode2speed(int mode)
582{
583	switch (mode) {
584	case ATA_PIO0:
585	default:
586		return (3300);
587	case ATA_PIO1:
588		return (5200);
589	case ATA_PIO2:
590		return (8300);
591	case ATA_PIO3:
592		return (11100);
593	case ATA_PIO4:
594		return (16700);
595	case ATA_WDMA0:
596		return (4200);
597	case ATA_WDMA1:
598		return (13300);
599	case ATA_WDMA2:
600		return (16700);
601	case ATA_UDMA0:
602		return (16700);
603	case ATA_UDMA1:
604		return (25000);
605	case ATA_UDMA2:
606		return (33300);
607	case ATA_UDMA3:
608		return (44400);
609	case ATA_UDMA4:
610		return (66700);
611	case ATA_UDMA5:
612		return (100000);
613	case ATA_UDMA6:
614		return (133000);
615	}
616}
617
618u_int
619ata_revision2speed(int revision)
620{
621	switch (revision) {
622	case 1:
623	default:
624		return (150000);
625	case 2:
626		return (300000);
627	case 3:
628		return (600000);
629	}
630}
631
632int
633ata_speed2revision(u_int speed)
634{
635	switch (speed) {
636	case 0:
637		return (0);
638	case 150000:
639		return (1);
640	case 300000:
641		return (2);
642	case 600000:
643		return (3);
644	default:
645		return (-1);
646	}
647}
648
649int
650ata_identify_match(caddr_t identbuffer, caddr_t table_entry)
651{
652	struct scsi_inquiry_pattern *entry;
653	struct ata_params *ident;
654
655	entry = (struct scsi_inquiry_pattern *)table_entry;
656	ident = (struct ata_params *)identbuffer;
657
658	if ((cam_strmatch(ident->model, entry->product,
659			  sizeof(ident->model)) == 0)
660	 && (cam_strmatch(ident->revision, entry->revision,
661			  sizeof(ident->revision)) == 0)) {
662		return (0);
663	}
664        return (-1);
665}
666
667int
668ata_static_identify_match(caddr_t identbuffer, caddr_t table_entry)
669{
670	struct scsi_static_inquiry_pattern *entry;
671	struct ata_params *ident;
672
673	entry = (struct scsi_static_inquiry_pattern *)table_entry;
674	ident = (struct ata_params *)identbuffer;
675
676	if ((cam_strmatch(ident->model, entry->product,
677			  sizeof(ident->model)) == 0)
678	 && (cam_strmatch(ident->revision, entry->revision,
679			  sizeof(ident->revision)) == 0)) {
680		return (0);
681	}
682        return (-1);
683}
684