ata_all.c revision 280898
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: stable/10/sys/cam/ata/ata_all.c 280898 2015-03-31 07:26:39Z 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	if (cmd->control & 0x04)
76		return ("SOFT_RESET");
77	switch (cmd->command) {
78	case 0x00: return ("NOP");
79	case 0x03: return ("CFA_REQUEST_EXTENDED_ERROR");
80	case 0x06:
81		switch (cmd->features) {
82	        case 0x01: return ("DSM TRIM");
83	        }
84	        return "DSM";
85	case 0x08: return ("DEVICE_RESET");
86	case 0x20: return ("READ");
87	case 0x24: return ("READ48");
88	case 0x25: return ("READ_DMA48");
89	case 0x26: return ("READ_DMA_QUEUED48");
90	case 0x27: return ("READ_NATIVE_MAX_ADDRESS48");
91	case 0x29: return ("READ_MUL48");
92	case 0x2a: return ("READ_STREAM_DMA48");
93	case 0x2b: return ("READ_STREAM48");
94	case 0x2f: return ("READ_LOG_EXT");
95	case 0x30: return ("WRITE");
96	case 0x34: return ("WRITE48");
97	case 0x35: return ("WRITE_DMA48");
98	case 0x36: return ("WRITE_DMA_QUEUED48");
99	case 0x37: return ("SET_MAX_ADDRESS48");
100	case 0x39: return ("WRITE_MUL48");
101	case 0x3a: return ("WRITE_STREAM_DMA48");
102	case 0x3b: return ("WRITE_STREAM48");
103	case 0x3d: return ("WRITE_DMA_FUA48");
104	case 0x3e: return ("WRITE_DMA_QUEUED_FUA48");
105	case 0x3f: return ("WRITE_LOG_EXT");
106	case 0x40: return ("READ_VERIFY");
107	case 0x42: return ("READ_VERIFY48");
108	case 0x51: return ("CONFIGURE_STREAM");
109	case 0x60: return ("READ_FPDMA_QUEUED");
110	case 0x61: return ("WRITE_FPDMA_QUEUED");
111	case 0x63: return ("NCQ_NON_DATA");
112	case 0x64: return ("SEND_FPDMA_QUEUED");
113	case 0x65: return ("RECEIVE_FPDMA_QUEUED");
114	case 0x67:
115		if (cmd->features == 0xec)
116			return ("SEP_ATTN IDENTIFY");
117		switch (cmd->lba_low) {
118		case 0x00: return ("SEP_ATTN READ BUFFER");
119		case 0x02: return ("SEP_ATTN RECEIVE DIAGNOSTIC RESULTS");
120		case 0x80: return ("SEP_ATTN WRITE BUFFER");
121		case 0x82: return ("SEP_ATTN SEND DIAGNOSTIC");
122		}
123		return ("SEP_ATTN");
124	case 0x70: return ("SEEK");
125	case 0x87: return ("CFA_TRANSLATE_SECTOR");
126	case 0x90: return ("EXECUTE_DEVICE_DIAGNOSTIC");
127	case 0x92: return ("DOWNLOAD_MICROCODE");
128	case 0xa0: return ("PACKET");
129	case 0xa1: return ("ATAPI_IDENTIFY");
130	case 0xa2: return ("SERVICE");
131	case 0xb0: return ("SMART");
132	case 0xb1: return ("DEVICE CONFIGURATION");
133	case 0xc0: return ("CFA_ERASE");
134	case 0xc4: return ("READ_MUL");
135	case 0xc5: return ("WRITE_MUL");
136	case 0xc6: return ("SET_MULTI");
137	case 0xc7: return ("READ_DMA_QUEUED");
138	case 0xc8: return ("READ_DMA");
139	case 0xca: return ("WRITE_DMA");
140	case 0xcc: return ("WRITE_DMA_QUEUED");
141	case 0xcd: return ("CFA_WRITE_MULTIPLE_WITHOUT_ERASE");
142	case 0xce: return ("WRITE_MUL_FUA48");
143	case 0xd1: return ("CHECK_MEDIA_CARD_TYPE");
144	case 0xda: return ("GET_MEDIA_STATUS");
145	case 0xde: return ("MEDIA_LOCK");
146	case 0xdf: return ("MEDIA_UNLOCK");
147	case 0xe0: return ("STANDBY_IMMEDIATE");
148	case 0xe1: return ("IDLE_IMMEDIATE");
149	case 0xe2: return ("STANDBY");
150	case 0xe3: return ("IDLE");
151	case 0xe4: return ("READ_BUFFER/PM");
152	case 0xe5: return ("CHECK_POWER_MODE");
153	case 0xe6: return ("SLEEP");
154	case 0xe7: return ("FLUSHCACHE");
155	case 0xe8: return ("WRITE_PM");
156	case 0xea: return ("FLUSHCACHE48");
157	case 0xec: return ("ATA_IDENTIFY");
158	case 0xed: return ("MEDIA_EJECT");
159	case 0xef:
160		switch (cmd->features) {
161	        case 0x03: return ("SETFEATURES SET TRANSFER MODE");
162	        case 0x02: return ("SETFEATURES ENABLE WCACHE");
163	        case 0x82: return ("SETFEATURES DISABLE WCACHE");
164	        case 0x06: return ("SETFEATURES ENABLE PUIS");
165	        case 0x86: return ("SETFEATURES DISABLE PUIS");
166	        case 0x07: return ("SETFEATURES SPIN-UP");
167	        case 0x10: return ("SETFEATURES ENABLE SATA FEATURE");
168	        case 0x90: return ("SETFEATURES DISABLE SATA FEATURE");
169	        case 0xaa: return ("SETFEATURES ENABLE RCACHE");
170	        case 0x55: return ("SETFEATURES DISABLE RCACHE");
171	        }
172	        return "SETFEATURES";
173	case 0xf1: return ("SECURITY_SET_PASSWORD");
174	case 0xf2: return ("SECURITY_UNLOCK");
175	case 0xf3: return ("SECURITY_ERASE_PREPARE");
176	case 0xf4: return ("SECURITY_ERASE_UNIT");
177	case 0xf5: return ("SECURITY_FREEZE_LOCK");
178	case 0xf6: return ("SECURITY_DISABLE_PASSWORD");
179	case 0xf8: return ("READ_NATIVE_MAX_ADDRESS");
180	case 0xf9: return ("SET_MAX_ADDRESS");
181	}
182	return "UNKNOWN";
183}
184
185char *
186ata_cmd_string(struct ata_cmd *cmd, char *cmd_string, size_t len)
187{
188
189	snprintf(cmd_string, len, "%02x %02x %02x %02x "
190	    "%02x %02x %02x %02x %02x %02x %02x %02x",
191	    cmd->command, cmd->features,
192	    cmd->lba_low, cmd->lba_mid, cmd->lba_high, cmd->device,
193	    cmd->lba_low_exp, cmd->lba_mid_exp, cmd->lba_high_exp,
194	    cmd->features_exp, cmd->sector_count, cmd->sector_count_exp);
195
196	return(cmd_string);
197}
198
199char *
200ata_res_string(struct ata_res *res, char *res_string, size_t len)
201{
202
203	snprintf(res_string, len, "%02x %02x %02x %02x "
204	    "%02x %02x %02x %02x %02x %02x %02x",
205	    res->status, res->error,
206	    res->lba_low, res->lba_mid, res->lba_high, res->device,
207	    res->lba_low_exp, res->lba_mid_exp, res->lba_high_exp,
208	    res->sector_count, res->sector_count_exp);
209
210	return(res_string);
211}
212
213/*
214 * ata_command_sbuf() returns 0 for success and -1 for failure.
215 */
216int
217ata_command_sbuf(struct ccb_ataio *ataio, struct sbuf *sb)
218{
219	char cmd_str[(12 * 3) + 1];
220
221	sbuf_printf(sb, "%s. ACB: %s",
222	    ata_op_string(&ataio->cmd),
223	    ata_cmd_string(&ataio->cmd, cmd_str, sizeof(cmd_str)));
224
225	return(0);
226}
227
228/*
229 * ata_status_abuf() returns 0 for success and -1 for failure.
230 */
231int
232ata_status_sbuf(struct ccb_ataio *ataio, struct sbuf *sb)
233{
234
235	sbuf_printf(sb, "ATA status: %02x (%s%s%s%s%s%s%s%s)",
236	    ataio->res.status,
237	    (ataio->res.status & 0x80) ? "BSY " : "",
238	    (ataio->res.status & 0x40) ? "DRDY " : "",
239	    (ataio->res.status & 0x20) ? "DF " : "",
240	    (ataio->res.status & 0x10) ? "SERV " : "",
241	    (ataio->res.status & 0x08) ? "DRQ " : "",
242	    (ataio->res.status & 0x04) ? "CORR " : "",
243	    (ataio->res.status & 0x02) ? "IDX " : "",
244	    (ataio->res.status & 0x01) ? "ERR" : "");
245	if (ataio->res.status & 1) {
246	    sbuf_printf(sb, ", error: %02x (%s%s%s%s%s%s%s%s)",
247		ataio->res.error,
248		(ataio->res.error & 0x80) ? "ICRC " : "",
249		(ataio->res.error & 0x40) ? "UNC " : "",
250		(ataio->res.error & 0x20) ? "MC " : "",
251		(ataio->res.error & 0x10) ? "IDNF " : "",
252		(ataio->res.error & 0x08) ? "MCR " : "",
253		(ataio->res.error & 0x04) ? "ABRT " : "",
254		(ataio->res.error & 0x02) ? "NM " : "",
255		(ataio->res.error & 0x01) ? "ILI" : "");
256	}
257
258	return(0);
259}
260
261/*
262 * ata_res_sbuf() returns 0 for success and -1 for failure.
263 */
264int
265ata_res_sbuf(struct ccb_ataio *ataio, struct sbuf *sb)
266{
267	char res_str[(11 * 3) + 1];
268
269	sbuf_printf(sb, "RES: %s",
270	    ata_res_string(&ataio->res, res_str, sizeof(res_str)));
271
272	return(0);
273}
274
275void
276ata_print_ident(struct ata_params *ident_data)
277{
278	const char *proto;
279	char product[48], revision[16], ata[12], sata[12];
280
281	cam_strvis(product, ident_data->model, sizeof(ident_data->model),
282		   sizeof(product));
283	cam_strvis(revision, ident_data->revision, sizeof(ident_data->revision),
284		   sizeof(revision));
285	proto = (ident_data->config == ATA_PROTO_CFA) ? "CFA" :
286		(ident_data->config & ATA_PROTO_ATAPI) ? "ATAPI" : "ATA";
287	if (ata_version(ident_data->version_major) == 0) {
288		snprintf(ata, sizeof(ata), "%s", proto);
289	} else if (ata_version(ident_data->version_major) <= 7) {
290		snprintf(ata, sizeof(ata), "%s-%d", proto,
291		    ata_version(ident_data->version_major));
292	} else if (ata_version(ident_data->version_major) == 8) {
293		snprintf(ata, sizeof(ata), "%s8-ACS", proto);
294	} else {
295		snprintf(ata, sizeof(ata), "ACS-%d %s",
296		    ata_version(ident_data->version_major) - 7, proto);
297	}
298	if (ident_data->satacapabilities && ident_data->satacapabilities != 0xffff) {
299		if (ident_data->satacapabilities & ATA_SATA_GEN3)
300			snprintf(sata, sizeof(sata), " SATA 3.x");
301		else if (ident_data->satacapabilities & ATA_SATA_GEN2)
302			snprintf(sata, sizeof(sata), " SATA 2.x");
303		else if (ident_data->satacapabilities & ATA_SATA_GEN1)
304			snprintf(sata, sizeof(sata), " SATA 1.x");
305		else
306			snprintf(sata, sizeof(sata), " SATA");
307	} else
308		sata[0] = 0;
309	printf("<%s %s> %s%s device\n", product, revision, ata, sata);
310}
311
312void
313ata_print_ident_short(struct ata_params *ident_data)
314{
315	char product[48], revision[16];
316
317	cam_strvis(product, ident_data->model, sizeof(ident_data->model),
318		   sizeof(product));
319	cam_strvis(revision, ident_data->revision, sizeof(ident_data->revision),
320		   sizeof(revision));
321	printf("<%s %s>", product, revision);
322}
323
324void
325semb_print_ident(struct sep_identify_data *ident_data)
326{
327	char vendor[9], product[17], revision[5], fw[5], in[7], ins[5];
328
329	cam_strvis(vendor, ident_data->vendor_id, 8, sizeof(vendor));
330	cam_strvis(product, ident_data->product_id, 16, sizeof(product));
331	cam_strvis(revision, ident_data->product_rev, 4, sizeof(revision));
332	cam_strvis(fw, ident_data->firmware_rev, 4, sizeof(fw));
333	cam_strvis(in, ident_data->interface_id, 6, sizeof(in));
334	cam_strvis(ins, ident_data->interface_rev, 4, sizeof(ins));
335	printf("<%s %s %s %s> SEMB %s %s device\n",
336	    vendor, product, revision, fw, in, ins);
337}
338
339void
340semb_print_ident_short(struct sep_identify_data *ident_data)
341{
342	char vendor[9], product[17], revision[5], fw[5];
343
344	cam_strvis(vendor, ident_data->vendor_id, 8, sizeof(vendor));
345	cam_strvis(product, ident_data->product_id, 16, sizeof(product));
346	cam_strvis(revision, ident_data->product_rev, 4, sizeof(revision));
347	cam_strvis(fw, ident_data->firmware_rev, 4, sizeof(fw));
348	printf("<%s %s %s %s>", vendor, product, revision, fw);
349}
350
351uint32_t
352ata_logical_sector_size(struct ata_params *ident_data)
353{
354	if ((ident_data->pss & ATA_PSS_VALID_MASK) == ATA_PSS_VALID_VALUE &&
355	    (ident_data->pss & ATA_PSS_LSSABOVE512)) {
356		return (((u_int32_t)ident_data->lss_1 |
357		    ((u_int32_t)ident_data->lss_2 << 16)) * 2);
358	}
359	return (512);
360}
361
362uint64_t
363ata_physical_sector_size(struct ata_params *ident_data)
364{
365	if ((ident_data->pss & ATA_PSS_VALID_MASK) == ATA_PSS_VALID_VALUE) {
366		if (ident_data->pss & ATA_PSS_MULTLS) {
367			return ((uint64_t)ata_logical_sector_size(ident_data) *
368			    (1 << (ident_data->pss & ATA_PSS_LSPPS)));
369		} else {
370			return (uint64_t)ata_logical_sector_size(ident_data);
371		}
372	}
373	return (512);
374}
375
376uint64_t
377ata_logical_sector_offset(struct ata_params *ident_data)
378{
379	if ((ident_data->lsalign & 0xc000) == 0x4000) {
380		return ((uint64_t)ata_logical_sector_size(ident_data) *
381		    (ident_data->lsalign & 0x3fff));
382	}
383	return (0);
384}
385
386void
387ata_28bit_cmd(struct ccb_ataio *ataio, uint8_t cmd, uint8_t features,
388    uint32_t lba, uint8_t sector_count)
389{
390	bzero(&ataio->cmd, sizeof(ataio->cmd));
391	ataio->cmd.flags = 0;
392	if (cmd == ATA_READ_DMA ||
393	    cmd == ATA_READ_DMA_QUEUED ||
394	    cmd == ATA_WRITE_DMA ||
395	    cmd == ATA_WRITE_DMA_QUEUED)
396		ataio->cmd.flags |= CAM_ATAIO_DMA;
397	ataio->cmd.command = cmd;
398	ataio->cmd.features = features;
399	ataio->cmd.lba_low = lba;
400	ataio->cmd.lba_mid = lba >> 8;
401	ataio->cmd.lba_high = lba >> 16;
402	ataio->cmd.device = ATA_DEV_LBA | ((lba >> 24) & 0x0f);
403	ataio->cmd.sector_count = sector_count;
404}
405
406void
407ata_48bit_cmd(struct ccb_ataio *ataio, uint8_t cmd, uint16_t features,
408    uint64_t lba, uint16_t sector_count)
409{
410
411	ataio->cmd.flags = CAM_ATAIO_48BIT;
412	if (cmd == ATA_READ_DMA48 ||
413	    cmd == ATA_READ_DMA_QUEUED48 ||
414	    cmd == ATA_READ_STREAM_DMA48 ||
415	    cmd == ATA_WRITE_DMA48 ||
416	    cmd == ATA_WRITE_DMA_FUA48 ||
417	    cmd == ATA_WRITE_DMA_QUEUED48 ||
418	    cmd == ATA_WRITE_DMA_QUEUED_FUA48 ||
419	    cmd == ATA_WRITE_STREAM_DMA48 ||
420	    cmd == ATA_DATA_SET_MANAGEMENT)
421		ataio->cmd.flags |= CAM_ATAIO_DMA;
422	ataio->cmd.command = cmd;
423	ataio->cmd.features = features;
424	ataio->cmd.lba_low = lba;
425	ataio->cmd.lba_mid = lba >> 8;
426	ataio->cmd.lba_high = lba >> 16;
427	ataio->cmd.device = ATA_DEV_LBA;
428	ataio->cmd.lba_low_exp = lba >> 24;
429	ataio->cmd.lba_mid_exp = lba >> 32;
430	ataio->cmd.lba_high_exp = lba >> 40;
431	ataio->cmd.features_exp = features >> 8;
432	ataio->cmd.sector_count = sector_count;
433	ataio->cmd.sector_count_exp = sector_count >> 8;
434	ataio->cmd.control = 0;
435}
436
437void
438ata_ncq_cmd(struct ccb_ataio *ataio, uint8_t cmd,
439    uint64_t lba, uint16_t sector_count)
440{
441
442	ataio->cmd.flags = CAM_ATAIO_48BIT | CAM_ATAIO_FPDMA;
443	ataio->cmd.command = cmd;
444	ataio->cmd.features = sector_count;
445	ataio->cmd.lba_low = lba;
446	ataio->cmd.lba_mid = lba >> 8;
447	ataio->cmd.lba_high = lba >> 16;
448	ataio->cmd.device = ATA_DEV_LBA;
449	ataio->cmd.lba_low_exp = lba >> 24;
450	ataio->cmd.lba_mid_exp = lba >> 32;
451	ataio->cmd.lba_high_exp = lba >> 40;
452	ataio->cmd.features_exp = sector_count >> 8;
453	ataio->cmd.sector_count = 0;
454	ataio->cmd.sector_count_exp = 0;
455	ataio->cmd.control = 0;
456}
457
458void
459ata_reset_cmd(struct ccb_ataio *ataio)
460{
461	bzero(&ataio->cmd, sizeof(ataio->cmd));
462	ataio->cmd.flags = CAM_ATAIO_CONTROL | CAM_ATAIO_NEEDRESULT;
463	ataio->cmd.control = 0x04;
464}
465
466void
467ata_pm_read_cmd(struct ccb_ataio *ataio, int reg, int port)
468{
469	bzero(&ataio->cmd, sizeof(ataio->cmd));
470	ataio->cmd.flags = CAM_ATAIO_NEEDRESULT;
471	ataio->cmd.command = ATA_READ_PM;
472	ataio->cmd.features = reg;
473	ataio->cmd.device = port & 0x0f;
474}
475
476void
477ata_pm_write_cmd(struct ccb_ataio *ataio, int reg, int port, uint32_t val)
478{
479	bzero(&ataio->cmd, sizeof(ataio->cmd));
480	ataio->cmd.flags = 0;
481	ataio->cmd.command = ATA_WRITE_PM;
482	ataio->cmd.features = reg;
483	ataio->cmd.sector_count = val;
484	ataio->cmd.lba_low = val >> 8;
485	ataio->cmd.lba_mid = val >> 16;
486	ataio->cmd.lba_high = val >> 24;
487	ataio->cmd.device = port & 0x0f;
488}
489
490void
491ata_bswap(int8_t *buf, int len)
492{
493	u_int16_t *ptr = (u_int16_t*)(buf + len);
494
495	while (--ptr >= (u_int16_t*)buf)
496		*ptr = be16toh(*ptr);
497}
498
499void
500ata_btrim(int8_t *buf, int len)
501{
502	int8_t *ptr;
503
504	for (ptr = buf; ptr < buf+len; ++ptr)
505		if (!*ptr || *ptr == '_')
506			*ptr = ' ';
507	for (ptr = buf + len - 1; ptr >= buf && *ptr == ' '; --ptr)
508		*ptr = 0;
509}
510
511void
512ata_bpack(int8_t *src, int8_t *dst, int len)
513{
514	int i, j, blank;
515
516	for (i = j = blank = 0 ; i < len; i++) {
517		if (blank && src[i] == ' ') continue;
518		if (blank && src[i] != ' ') {
519			dst[j++] = src[i];
520			blank = 0;
521			continue;
522		}
523		if (src[i] == ' ') {
524			blank = 1;
525			if (i == 0)
526			continue;
527		}
528		dst[j++] = src[i];
529	}
530	while (j < len)
531		dst[j++] = 0x00;
532}
533
534int
535ata_max_pmode(struct ata_params *ap)
536{
537    if (ap->atavalid & ATA_FLAG_64_70) {
538	if (ap->apiomodes & 0x02)
539	    return ATA_PIO4;
540	if (ap->apiomodes & 0x01)
541	    return ATA_PIO3;
542    }
543    if (ap->mwdmamodes & 0x04)
544	return ATA_PIO4;
545    if (ap->mwdmamodes & 0x02)
546	return ATA_PIO3;
547    if (ap->mwdmamodes & 0x01)
548	return ATA_PIO2;
549    if ((ap->retired_piomode & ATA_RETIRED_PIO_MASK) == 0x200)
550	return ATA_PIO2;
551    if ((ap->retired_piomode & ATA_RETIRED_PIO_MASK) == 0x100)
552	return ATA_PIO1;
553    if ((ap->retired_piomode & ATA_RETIRED_PIO_MASK) == 0x000)
554	return ATA_PIO0;
555    return ATA_PIO0;
556}
557
558int
559ata_max_wmode(struct ata_params *ap)
560{
561    if (ap->mwdmamodes & 0x04)
562	return ATA_WDMA2;
563    if (ap->mwdmamodes & 0x02)
564	return ATA_WDMA1;
565    if (ap->mwdmamodes & 0x01)
566	return ATA_WDMA0;
567    return -1;
568}
569
570int
571ata_max_umode(struct ata_params *ap)
572{
573    if (ap->atavalid & ATA_FLAG_88) {
574	if (ap->udmamodes & 0x40)
575	    return ATA_UDMA6;
576	if (ap->udmamodes & 0x20)
577	    return ATA_UDMA5;
578	if (ap->udmamodes & 0x10)
579	    return ATA_UDMA4;
580	if (ap->udmamodes & 0x08)
581	    return ATA_UDMA3;
582	if (ap->udmamodes & 0x04)
583	    return ATA_UDMA2;
584	if (ap->udmamodes & 0x02)
585	    return ATA_UDMA1;
586	if (ap->udmamodes & 0x01)
587	    return ATA_UDMA0;
588    }
589    return -1;
590}
591
592int
593ata_max_mode(struct ata_params *ap, int maxmode)
594{
595
596	if (maxmode == 0)
597		maxmode = ATA_DMA_MAX;
598	if (maxmode >= ATA_UDMA0 && ata_max_umode(ap) > 0)
599		return (min(maxmode, ata_max_umode(ap)));
600	if (maxmode >= ATA_WDMA0 && ata_max_wmode(ap) > 0)
601		return (min(maxmode, ata_max_wmode(ap)));
602	return (min(maxmode, ata_max_pmode(ap)));
603}
604
605char *
606ata_mode2string(int mode)
607{
608    switch (mode) {
609    case -1: return "UNSUPPORTED";
610    case 0: return "NONE";
611    case ATA_PIO0: return "PIO0";
612    case ATA_PIO1: return "PIO1";
613    case ATA_PIO2: return "PIO2";
614    case ATA_PIO3: return "PIO3";
615    case ATA_PIO4: return "PIO4";
616    case ATA_WDMA0: return "WDMA0";
617    case ATA_WDMA1: return "WDMA1";
618    case ATA_WDMA2: return "WDMA2";
619    case ATA_UDMA0: return "UDMA0";
620    case ATA_UDMA1: return "UDMA1";
621    case ATA_UDMA2: return "UDMA2";
622    case ATA_UDMA3: return "UDMA3";
623    case ATA_UDMA4: return "UDMA4";
624    case ATA_UDMA5: return "UDMA5";
625    case ATA_UDMA6: return "UDMA6";
626    default:
627	if (mode & ATA_DMA_MASK)
628	    return "BIOSDMA";
629	else
630	    return "BIOSPIO";
631    }
632}
633
634int
635ata_string2mode(char *str)
636{
637	if (!strcasecmp(str, "PIO0")) return (ATA_PIO0);
638	if (!strcasecmp(str, "PIO1")) return (ATA_PIO1);
639	if (!strcasecmp(str, "PIO2")) return (ATA_PIO2);
640	if (!strcasecmp(str, "PIO3")) return (ATA_PIO3);
641	if (!strcasecmp(str, "PIO4")) return (ATA_PIO4);
642	if (!strcasecmp(str, "WDMA0")) return (ATA_WDMA0);
643	if (!strcasecmp(str, "WDMA1")) return (ATA_WDMA1);
644	if (!strcasecmp(str, "WDMA2")) return (ATA_WDMA2);
645	if (!strcasecmp(str, "UDMA0")) return (ATA_UDMA0);
646	if (!strcasecmp(str, "UDMA16")) return (ATA_UDMA0);
647	if (!strcasecmp(str, "UDMA1")) return (ATA_UDMA1);
648	if (!strcasecmp(str, "UDMA25")) return (ATA_UDMA1);
649	if (!strcasecmp(str, "UDMA2")) return (ATA_UDMA2);
650	if (!strcasecmp(str, "UDMA33")) return (ATA_UDMA2);
651	if (!strcasecmp(str, "UDMA3")) return (ATA_UDMA3);
652	if (!strcasecmp(str, "UDMA44")) return (ATA_UDMA3);
653	if (!strcasecmp(str, "UDMA4")) return (ATA_UDMA4);
654	if (!strcasecmp(str, "UDMA66")) return (ATA_UDMA4);
655	if (!strcasecmp(str, "UDMA5")) return (ATA_UDMA5);
656	if (!strcasecmp(str, "UDMA100")) return (ATA_UDMA5);
657	if (!strcasecmp(str, "UDMA6")) return (ATA_UDMA6);
658	if (!strcasecmp(str, "UDMA133")) return (ATA_UDMA6);
659	return (-1);
660}
661
662
663u_int
664ata_mode2speed(int mode)
665{
666	switch (mode) {
667	case ATA_PIO0:
668	default:
669		return (3300);
670	case ATA_PIO1:
671		return (5200);
672	case ATA_PIO2:
673		return (8300);
674	case ATA_PIO3:
675		return (11100);
676	case ATA_PIO4:
677		return (16700);
678	case ATA_WDMA0:
679		return (4200);
680	case ATA_WDMA1:
681		return (13300);
682	case ATA_WDMA2:
683		return (16700);
684	case ATA_UDMA0:
685		return (16700);
686	case ATA_UDMA1:
687		return (25000);
688	case ATA_UDMA2:
689		return (33300);
690	case ATA_UDMA3:
691		return (44400);
692	case ATA_UDMA4:
693		return (66700);
694	case ATA_UDMA5:
695		return (100000);
696	case ATA_UDMA6:
697		return (133000);
698	}
699}
700
701u_int
702ata_revision2speed(int revision)
703{
704	switch (revision) {
705	case 1:
706	default:
707		return (150000);
708	case 2:
709		return (300000);
710	case 3:
711		return (600000);
712	}
713}
714
715int
716ata_speed2revision(u_int speed)
717{
718	switch (speed) {
719	case 0:
720		return (0);
721	case 150000:
722		return (1);
723	case 300000:
724		return (2);
725	case 600000:
726		return (3);
727	default:
728		return (-1);
729	}
730}
731
732int
733ata_identify_match(caddr_t identbuffer, caddr_t table_entry)
734{
735	struct scsi_inquiry_pattern *entry;
736	struct ata_params *ident;
737
738	entry = (struct scsi_inquiry_pattern *)table_entry;
739	ident = (struct ata_params *)identbuffer;
740
741	if ((cam_strmatch(ident->model, entry->product,
742			  sizeof(ident->model)) == 0)
743	 && (cam_strmatch(ident->revision, entry->revision,
744			  sizeof(ident->revision)) == 0)) {
745		return (0);
746	}
747        return (-1);
748}
749
750int
751ata_static_identify_match(caddr_t identbuffer, caddr_t table_entry)
752{
753	struct scsi_static_inquiry_pattern *entry;
754	struct ata_params *ident;
755
756	entry = (struct scsi_static_inquiry_pattern *)table_entry;
757	ident = (struct ata_params *)identbuffer;
758
759	if ((cam_strmatch(ident->model, entry->product,
760			  sizeof(ident->model)) == 0)
761	 && (cam_strmatch(ident->revision, entry->revision,
762			  sizeof(ident->revision)) == 0)) {
763		return (0);
764	}
765        return (-1);
766}
767
768void
769semb_receive_diagnostic_results(struct ccb_ataio *ataio,
770    u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb*),
771    uint8_t tag_action, int pcv, uint8_t page_code,
772    uint8_t *data_ptr, uint16_t length, uint32_t timeout)
773{
774
775	length = min(length, 1020);
776	length = (length + 3) & ~3;
777	cam_fill_ataio(ataio,
778		      retries,
779		      cbfcnp,
780		      /*flags*/CAM_DIR_IN,
781		      tag_action,
782		      data_ptr,
783		      length,
784		      timeout);
785	ata_28bit_cmd(ataio, ATA_SEP_ATTN,
786	    pcv ? page_code : 0, 0x02, length / 4);
787}
788
789void
790semb_send_diagnostic(struct ccb_ataio *ataio,
791    u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *),
792    uint8_t tag_action, uint8_t *data_ptr, uint16_t length, uint32_t timeout)
793{
794
795	length = min(length, 1020);
796	length = (length + 3) & ~3;
797	cam_fill_ataio(ataio,
798		      retries,
799		      cbfcnp,
800		      /*flags*/length ? CAM_DIR_OUT : CAM_DIR_NONE,
801		      tag_action,
802		      data_ptr,
803		      length,
804		      timeout);
805	ata_28bit_cmd(ataio, ATA_SEP_ATTN,
806	    length > 0 ? data_ptr[0] : 0, 0x82, length / 4);
807}
808
809void
810semb_read_buffer(struct ccb_ataio *ataio,
811    u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb*),
812    uint8_t tag_action, uint8_t page_code,
813    uint8_t *data_ptr, uint16_t length, uint32_t timeout)
814{
815
816	length = min(length, 1020);
817	length = (length + 3) & ~3;
818	cam_fill_ataio(ataio,
819		      retries,
820		      cbfcnp,
821		      /*flags*/CAM_DIR_IN,
822		      tag_action,
823		      data_ptr,
824		      length,
825		      timeout);
826	ata_28bit_cmd(ataio, ATA_SEP_ATTN,
827	    page_code, 0x00, length / 4);
828}
829
830void
831semb_write_buffer(struct ccb_ataio *ataio,
832    u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *),
833    uint8_t tag_action, uint8_t *data_ptr, uint16_t length, uint32_t timeout)
834{
835
836	length = min(length, 1020);
837	length = (length + 3) & ~3;
838	cam_fill_ataio(ataio,
839		      retries,
840		      cbfcnp,
841		      /*flags*/length ? CAM_DIR_OUT : CAM_DIR_NONE,
842		      tag_action,
843		      data_ptr,
844		      length,
845		      timeout);
846	ata_28bit_cmd(ataio, ATA_SEP_ATTN,
847	    length > 0 ? data_ptr[0] : 0, 0x80, length / 4);
848}
849
850