xref: /freebsd/sbin/camcontrol/fwdownload.c (revision 42249ef2)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3  *
4  * Copyright (c) 2011 Sandvine Incorporated. All rights reserved.
5  * Copyright (c) 2002-2011 Andre Albsmeier <andre@albsmeier.net>
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer,
13  *    without modification, immediately at the beginning of the file.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28  */
29 
30 /*
31  * This software is derived from Andre Albsmeier's fwprog.c which contained
32  * the following note:
33  *
34  * Many thanks goes to Marc Frajola <marc@terasolutions.com> from
35  * TeraSolutions for the initial idea and his programme for upgrading
36  * the firmware of I*M DDYS drives.
37  */
38 
39 /*
40  * BEWARE:
41  *
42  * The fact that you see your favorite vendor listed below does not
43  * imply that your equipment won't break when you use this software
44  * with it. It only means that the firmware of at least one device type
45  * of each vendor listed has been programmed successfully using this code.
46  *
47  * The -s option simulates a download but does nothing apart from that.
48  * It can be used to check what chunk sizes would have been used with the
49  * specified device.
50  */
51 
52 #include <sys/cdefs.h>
53 __FBSDID("$FreeBSD$");
54 
55 #include <sys/types.h>
56 #include <sys/stat.h>
57 
58 #include <err.h>
59 #include <fcntl.h>
60 #include <stdio.h>
61 #include <stdlib.h>
62 #include <string.h>
63 #include <unistd.h>
64 
65 #include <cam/scsi/scsi_all.h>
66 #include <cam/scsi/scsi_message.h>
67 #include <camlib.h>
68 
69 #include "progress.h"
70 
71 #include "camcontrol.h"
72 
73 #define	WB_TIMEOUT 50000	/* 50 seconds */
74 
75 typedef enum {
76 	VENDOR_HGST,
77 	VENDOR_HITACHI,
78 	VENDOR_HP,
79 	VENDOR_IBM,
80 	VENDOR_PLEXTOR,
81 	VENDOR_QUALSTAR,
82 	VENDOR_QUANTUM,
83 	VENDOR_SAMSUNG,
84 	VENDOR_SEAGATE,
85 	VENDOR_SMART,
86 	VENDOR_ATA,
87 	VENDOR_UNKNOWN
88 } fw_vendor_t;
89 
90 /*
91  * FW_TUR_READY:     The drive must return good status for a test unit ready.
92  *
93  * FW_TUR_NOT_READY: The drive must return not ready status for a test unit
94  *		     ready.  You may want this in a removable media drive.
95  *
96  * FW_TUR_NA:	     It doesn't matter whether the drive is ready or not.
97  * 		     This may be the case for a removable media drive.
98  */
99 typedef enum {
100 	FW_TUR_NONE,
101 	FW_TUR_READY,
102 	FW_TUR_NOT_READY,
103 	FW_TUR_NA
104 } fw_tur_status;
105 
106 /*
107  * FW_TIMEOUT_DEFAULT:		Attempt to probe for a WRITE BUFFER timeout
108  *				value from the drive.  If we get an answer,
109  *				use the Recommended timeout.  Otherwise,
110  * 				use the default value from the table.
111  *
112  * FW_TIMEOUT_DEV_REPORTED:	The timeout value was probed directly from
113  *				the device.
114  *
115  * FW_TIMEOUT_NO_PROBE:		Do not ask the device for a WRITE BUFFER
116  * 				timeout value.  Use the device-specific
117  *				value.
118  *
119  * FW_TIMEOUT_USER_SPEC:	The user specified a timeout on the command
120  *				line with the -t option.  This overrides any
121  *				probe or default timeout.
122  */
123 typedef enum {
124 	FW_TIMEOUT_DEFAULT,
125 	FW_TIMEOUT_DEV_REPORTED,
126 	FW_TIMEOUT_NO_PROBE,
127 	FW_TIMEOUT_USER_SPEC
128 } fw_timeout_type;
129 
130 /*
131  * type: 		Enumeration for the particular vendor.
132  *
133  * pattern:		Pattern to match for the Vendor ID from the SCSI
134  *			Inquiry data.
135  *
136  * dev_type:		SCSI device type to match, or T_ANY to match any
137  *			device from the given vendor.  Note that if there
138  *			is a specific device type listed for a particular
139  *			vendor, it must be listed before a T_ANY entry.
140  *
141  * max_pkt_size:	Maximum packet size when talking to a device.  Note
142  *			that although large data sizes may be supported by
143  *			the target device, they may not be supported by the
144  *			OS or the controller.
145  *
146  * cdb_byte2:		This specifies byte 2 (byte 1 when counting from 0)
147  *			of the CDB.  This is generally the WRITE BUFFER mode.
148  *
149  * cdb_byte2_last:	This specifies byte 2 for the last chunk of the
150  *			download.
151  *
152  * inc_cdb_buffer_id:	Increment the buffer ID by 1 for each chunk sent
153  *			down to the drive.
154  *
155  * inc_cdb_offset:	Increment the offset field in the CDB with the byte
156  *			offset into the firmware file.
157  *
158  * tur_status:		Pay attention to whether the device is ready before
159  *			upgrading the firmware, or not.  See above for the
160  *			values.
161  */
162 struct fw_vendor {
163 	fw_vendor_t type;
164 	const char *pattern;
165 	int dev_type;
166 	int max_pkt_size;
167 	u_int8_t cdb_byte2;
168 	u_int8_t cdb_byte2_last;
169 	int inc_cdb_buffer_id;
170 	int inc_cdb_offset;
171 	fw_tur_status tur_status;
172 	int timeout_ms;
173 	fw_timeout_type timeout_type;
174 };
175 
176 /*
177  * Vendor notes:
178  *
179  * HGST:     The packets need to be sent in multiples of 4K.
180  *
181  * IBM:      For LTO and TS drives, the buffer ID is ignored in mode 7 (and
182  * 	     some other modes).  It treats the request as a firmware download.
183  *           The offset (and therefore the length of each chunk sent) needs
184  *           to be a multiple of the offset boundary specified for firmware
185  *           (buffer ID 4) in the read buffer command.  At least for LTO-6,
186  *           that seems to be 0, but using a 32K chunk size should satisfy
187  *           most any alignment requirement.
188  *
189  * SmrtStor: Mode 5 is also supported, but since the firmware is 400KB or
190  *           so, we can't fit it in a single request in most cases.
191  */
192 static struct fw_vendor vendors_list[] = {
193 	{VENDOR_HGST,	 	"HGST",		T_DIRECT,
194 	0x1000, 0x07, 0x07, 1, 0, FW_TUR_READY, WB_TIMEOUT, FW_TIMEOUT_DEFAULT},
195 	{VENDOR_HITACHI, 	"HITACHI",	T_ANY,
196 	0x8000, 0x05, 0x05, 1, 0, FW_TUR_READY, WB_TIMEOUT, FW_TIMEOUT_DEFAULT},
197 	{VENDOR_HP,	 	"HP",		T_ANY,
198 	0x8000, 0x07, 0x07, 0, 1, FW_TUR_READY, WB_TIMEOUT, FW_TIMEOUT_DEFAULT},
199 	{VENDOR_IBM,		"IBM",		T_SEQUENTIAL,
200 	0x8000, 0x07, 0x07, 0, 1, FW_TUR_NA, 300 * 1000, FW_TIMEOUT_DEFAULT},
201 	{VENDOR_IBM,		"IBM",		T_ANY,
202 	0x8000, 0x05, 0x05, 1, 0, FW_TUR_READY, WB_TIMEOUT, FW_TIMEOUT_DEFAULT},
203 	{VENDOR_PLEXTOR,	"PLEXTOR",	T_ANY,
204 	0x2000, 0x04, 0x05, 0, 1, FW_TUR_READY, WB_TIMEOUT, FW_TIMEOUT_DEFAULT},
205 	{VENDOR_QUALSTAR,	"QUALSTAR",	T_ANY,
206 	0x2030, 0x05, 0x05, 0, 0, FW_TUR_READY, WB_TIMEOUT, FW_TIMEOUT_DEFAULT},
207 	{VENDOR_QUANTUM,	"QUANTUM",	T_ANY,
208 	0x2000, 0x04, 0x05, 0, 1, FW_TUR_READY, WB_TIMEOUT, FW_TIMEOUT_DEFAULT},
209 	{VENDOR_SAMSUNG,	"SAMSUNG",	T_ANY,
210 	0x8000, 0x07, 0x07, 0, 1, FW_TUR_READY, WB_TIMEOUT, FW_TIMEOUT_DEFAULT},
211 	{VENDOR_SEAGATE,	"SEAGATE",	T_ANY,
212 	0x8000, 0x07, 0x07, 0, 1, FW_TUR_READY, WB_TIMEOUT, FW_TIMEOUT_DEFAULT},
213 	{VENDOR_SMART,		"SmrtStor",	T_DIRECT,
214 	0x8000, 0x07, 0x07, 0, 1, FW_TUR_READY, WB_TIMEOUT, FW_TIMEOUT_DEFAULT},
215 	{VENDOR_HGST,	 	"WD",		T_DIRECT,
216 	0x1000, 0x07, 0x07, 1, 0, FW_TUR_READY, WB_TIMEOUT, FW_TIMEOUT_DEFAULT},
217 	{VENDOR_HGST,	 	"WDC",		T_DIRECT,
218 	0x1000, 0x07, 0x07, 1, 0, FW_TUR_READY, WB_TIMEOUT, FW_TIMEOUT_DEFAULT},
219 
220 	/*
221 	 * We match any ATA device.  This is really just a placeholder,
222 	 * since we won't actually send a WRITE BUFFER with any of the
223 	 * listed parameters.  If a SATA device is behind a SAS controller,
224 	 * the SCSI to ATA translation code (at least for LSI) doesn't
225 	 * generally translate a SCSI WRITE BUFFER into an ATA DOWNLOAD
226 	 * MICROCODE command.  So, we use the SCSI ATA PASS_THROUGH command
227 	 * to send the ATA DOWNLOAD MICROCODE command instead.
228 	 */
229 	{VENDOR_ATA,		"ATA",		T_ANY,
230 	 0x8000, 0x07, 0x07, 0, 1, FW_TUR_READY, WB_TIMEOUT,
231 	 FW_TIMEOUT_NO_PROBE},
232 	{VENDOR_UNKNOWN,	NULL,		T_ANY,
233 	0x0000, 0x00, 0x00, 0, 0, FW_TUR_NONE, WB_TIMEOUT, FW_TIMEOUT_DEFAULT}
234 };
235 
236 struct fw_timeout_desc {
237 	fw_timeout_type timeout_type;
238 	const char *timeout_desc;
239 };
240 
241 static const struct fw_timeout_desc fw_timeout_desc_table[] = {
242 	{ FW_TIMEOUT_DEFAULT, "the default" },
243 	{ FW_TIMEOUT_DEV_REPORTED, "recommended by this particular device" },
244 	{ FW_TIMEOUT_NO_PROBE, "the default" },
245 	{ FW_TIMEOUT_USER_SPEC, "what was specified on the command line" }
246 };
247 
248 #ifndef ATA_DOWNLOAD_MICROCODE
249 #define ATA_DOWNLOAD_MICROCODE	0x92
250 #endif
251 
252 #define USE_OFFSETS_FEATURE	0x3
253 
254 #ifndef LOW_SECTOR_SIZE
255 #define LOW_SECTOR_SIZE		512
256 #endif
257 
258 #define ATA_MAKE_LBA(o, p)	\
259 	((((((o) / LOW_SECTOR_SIZE) >> 8) & 0xff) << 16) | \
260 	  ((((o) / LOW_SECTOR_SIZE) & 0xff) << 8) | \
261 	  ((((p) / LOW_SECTOR_SIZE) >> 8) & 0xff))
262 
263 #define ATA_MAKE_SECTORS(p)	(((p) / 512) & 0xff)
264 
265 #ifndef UNKNOWN_MAX_PKT_SIZE
266 #define UNKNOWN_MAX_PKT_SIZE	0x8000
267 #endif
268 
269 static struct fw_vendor *fw_get_vendor(struct cam_device *cam_dev,
270 				       struct ata_params *ident_buf);
271 static int fw_get_timeout(struct cam_device *cam_dev, struct fw_vendor *vp,
272 			  int task_attr, int retry_count, int timeout);
273 static int fw_validate_ibm(struct cam_device *dev, int retry_count,
274 			   int timeout, int fd, char *buf,
275 			    const char *fw_img_path, int quiet);
276 static char *fw_read_img(struct cam_device *dev, int retry_count,
277 			 int timeout, int quiet, const char *fw_img_path,
278 			 struct fw_vendor *vp, int *num_bytes);
279 static int fw_check_device_ready(struct cam_device *dev,
280 				 camcontrol_devtype devtype,
281 				 struct fw_vendor *vp, int printerrors,
282 				 int timeout);
283 static int fw_download_img(struct cam_device *cam_dev,
284 			   struct fw_vendor *vp, char *buf, int img_size,
285 			   int sim_mode, int printerrors, int quiet,
286 			   int retry_count, int timeout, const char */*name*/,
287 			   camcontrol_devtype devtype);
288 
289 /*
290  * Find entry in vendors list that belongs to
291  * the vendor of given cam device.
292  */
293 static struct fw_vendor *
294 fw_get_vendor(struct cam_device *cam_dev, struct ata_params *ident_buf)
295 {
296 	char vendor[42];
297 	struct fw_vendor *vp;
298 
299 	if (cam_dev == NULL)
300 		return (NULL);
301 
302 	if (ident_buf != NULL) {
303 		cam_strvis((u_char *)vendor, ident_buf->model,
304 		    sizeof(ident_buf->model), sizeof(vendor));
305 		for (vp = vendors_list; vp->pattern != NULL; vp++) {
306 			if (vp->type == VENDOR_ATA)
307 				return (vp);
308 		}
309 	} else {
310 		cam_strvis((u_char *)vendor, (u_char *)cam_dev->inq_data.vendor,
311 		    sizeof(cam_dev->inq_data.vendor), sizeof(vendor));
312 	}
313 	for (vp = vendors_list; vp->pattern != NULL; vp++) {
314 		if (!cam_strmatch((const u_char *)vendor,
315 		    (const u_char *)vp->pattern, strlen(vendor))) {
316 			if ((vp->dev_type == T_ANY)
317 			 || (vp->dev_type == SID_TYPE(&cam_dev->inq_data)))
318 				break;
319 		}
320 	}
321 	return (vp);
322 }
323 
324 static int
325 fw_get_timeout(struct cam_device *cam_dev, struct fw_vendor *vp,
326 	       int task_attr, int retry_count, int timeout)
327 {
328 	struct scsi_report_supported_opcodes_one *one;
329 	struct scsi_report_supported_opcodes_timeout *td;
330 	uint8_t *buf = NULL;
331 	uint32_t fill_len = 0, cdb_len = 0, rec_timeout = 0;
332 	int retval = 0;
333 
334 	/*
335 	 * If the user has specified a timeout on the command line, we let
336 	 * him override any default or probed value.
337 	 */
338 	if (timeout != 0) {
339 		vp->timeout_type = FW_TIMEOUT_USER_SPEC;
340 		vp->timeout_ms = timeout;
341 		goto bailout;
342 	}
343 
344 	/*
345 	 * Check to see whether we should probe for a timeout for this
346 	 * device.
347 	 */
348 	if (vp->timeout_type == FW_TIMEOUT_NO_PROBE)
349 		goto bailout;
350 
351 	retval = scsigetopcodes(/*device*/ cam_dev,
352 				/*opcode_set*/ 1,
353 				/*opcode*/ WRITE_BUFFER,
354 				/*show_sa_errors*/ 1,
355 				/*sa_set*/ 0,
356 				/*service_action*/ 0,
357 				/*timeout_desc*/ 1,
358 				/*task_attr*/ task_attr,
359 				/*retry_count*/ retry_count,
360 				/*timeout*/ 10000,
361 				/*verbose*/ 0,
362 				/*fill_len*/ &fill_len,
363 				/*data_ptr*/ &buf);
364 	/*
365 	 * It isn't an error if we can't get a timeout descriptor.  We just
366 	 * continue on with the default timeout.
367 	 */
368 	if (retval != 0) {
369 		retval = 0;
370 		goto bailout;
371 	}
372 
373 	/*
374 	 * Even if the drive didn't return a SCSI error, if we don't have
375 	 * enough data to contain the one opcode descriptor, the CDB
376 	 * structure and a timeout descriptor, we don't have the timeout
377 	 * value we're looking for.  So we'll just fall back to the
378 	 * default value.
379 	 */
380 	if (fill_len < (sizeof(*one) + sizeof(struct scsi_write_buffer) +
381 	    sizeof(*td)))
382 		goto bailout;
383 
384 	one = (struct scsi_report_supported_opcodes_one *)buf;
385 
386 	/*
387 	 * If the drive claims to not support the WRITE BUFFER command...
388 	 * fall back to the default timeout value and let things fail on
389 	 * the actual firmware download.
390 	 */
391 	if ((one->support & RSO_ONE_SUP_MASK) == RSO_ONE_SUP_NOT_SUP)
392 		goto bailout;
393 
394 	cdb_len = scsi_2btoul(one->cdb_length);
395 	td = (struct scsi_report_supported_opcodes_timeout *)
396 	    &buf[sizeof(*one) + cdb_len];
397 
398 	rec_timeout = scsi_4btoul(td->recommended_time);
399 	/*
400 	 * If the recommended timeout is 0, then the device has probably
401 	 * returned a bogus value.
402 	 */
403 	if (rec_timeout == 0)
404 		goto bailout;
405 
406 	/* CAM timeouts are in ms */
407 	rec_timeout *= 1000;
408 
409 	vp->timeout_ms = rec_timeout;
410 	vp->timeout_type = FW_TIMEOUT_DEV_REPORTED;
411 
412 bailout:
413 	return (retval);
414 }
415 
416 #define	SVPD_IBM_FW_DESIGNATION		0x03
417 
418 /*
419  * IBM LTO and TS tape drives have an INQUIRY VPD page 0x3 with the following
420  * format:
421  */
422 struct fw_ibm_tape_fw_designation {
423 	uint8_t	device;
424 	uint8_t page_code;
425 	uint8_t reserved;
426 	uint8_t length;
427 	uint8_t ascii_length;
428 	uint8_t reserved2[3];
429 	uint8_t load_id[4];
430 	uint8_t fw_rev[4];
431 	uint8_t ptf_number[4];
432 	uint8_t patch_number[4];
433 	uint8_t ru_name[8];
434 	uint8_t lib_seq_num[5];
435 };
436 
437 /*
438  * The firmware for IBM tape drives has the following header format.  The
439  * load_id and ru_name in the header file should match what is returned in
440  * VPD page 0x3.
441  */
442 struct fw_ibm_tape_fw_header {
443 	uint8_t unspec[4];
444 	uint8_t length[4];		/* Firmware and header! */
445 	uint8_t load_id[4];
446 	uint8_t fw_rev[4];
447 	uint8_t reserved[8];
448 	uint8_t ru_name[8];
449 };
450 
451 static int
452 fw_validate_ibm(struct cam_device *dev, int retry_count, int timeout, int fd,
453 		char *buf, const char *fw_img_path, int quiet)
454 {
455 	union ccb *ccb;
456 	struct fw_ibm_tape_fw_designation vpd_page;
457 	struct fw_ibm_tape_fw_header *header;
458 	char drive_rev[sizeof(vpd_page.fw_rev) + 1];
459 	char file_rev[sizeof(vpd_page.fw_rev) + 1];
460 	int retval = 1;
461 
462 	ccb = cam_getccb(dev);
463 	if (ccb == NULL) {
464 		warnx("couldn't allocate CCB");
465 		goto bailout;
466 	}
467 
468 	/* cam_getccb cleans up the header, caller has to zero the payload */
469 	CCB_CLEAR_ALL_EXCEPT_HDR(&ccb->csio);
470 
471 	bzero(&vpd_page, sizeof(vpd_page));
472 
473 	scsi_inquiry(&ccb->csio,
474 		     /*retries*/ retry_count,
475 		     /*cbfcnp*/ NULL,
476 		     /* tag_action */ MSG_SIMPLE_Q_TAG,
477 		     /* inq_buf */ (u_int8_t *)&vpd_page,
478 		     /* inq_len */ sizeof(vpd_page),
479 		     /* evpd */ 1,
480 		     /* page_code */ SVPD_IBM_FW_DESIGNATION,
481 		     /* sense_len */ SSD_FULL_SIZE,
482 		     /* timeout */ timeout ? timeout : 5000);
483 
484 	/* Disable freezing the device queue */
485 	ccb->ccb_h.flags |= CAM_DEV_QFRZDIS;
486 
487 	if (retry_count != 0)
488 		ccb->ccb_h.flags |= CAM_PASS_ERR_RECOVER;
489 
490 	if (cam_send_ccb(dev, ccb) < 0) {
491 		warn("error getting firmware designation page");
492 
493 		cam_error_print(dev, ccb, CAM_ESF_ALL,
494 				CAM_EPF_ALL, stderr);
495 
496 		cam_freeccb(ccb);
497 		ccb = NULL;
498 		goto bailout;
499 	}
500 
501 	if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
502 		cam_error_print(dev, ccb, CAM_ESF_ALL,
503 				CAM_EPF_ALL, stderr);
504 		goto bailout;
505 	}
506 
507 	/*
508 	 * Read the firmware header only.
509 	 */
510 	if (read(fd, buf, sizeof(*header)) != sizeof(*header)) {
511 		warn("unable to read %zu bytes from %s", sizeof(*header),
512 		     fw_img_path);
513 		goto bailout;
514 	}
515 
516 	/* Rewind the file back to 0 for the full file read. */
517 	if (lseek(fd, 0, SEEK_SET) == -1) {
518 		warn("Unable to lseek");
519 		goto bailout;
520 	}
521 
522 	header = (struct fw_ibm_tape_fw_header *)buf;
523 
524 	bzero(drive_rev, sizeof(drive_rev));
525 	bcopy(vpd_page.fw_rev, drive_rev, sizeof(vpd_page.fw_rev));
526 	bzero(file_rev, sizeof(file_rev));
527 	bcopy(header->fw_rev, file_rev, sizeof(header->fw_rev));
528 
529 	if (quiet == 0) {
530 		fprintf(stdout, "Current Drive Firmware version: %s\n",
531 			drive_rev);
532 		fprintf(stdout, "Firmware File version: %s\n", file_rev);
533 	}
534 
535 	/*
536 	 * For IBM tape drives the load ID and RU name reported by the
537 	 * drive should match what is in the firmware file.
538 	 */
539 	if (bcmp(vpd_page.load_id, header->load_id,
540 		 MIN(sizeof(vpd_page.load_id), sizeof(header->load_id))) != 0) {
541 		warnx("Drive Firmware load ID 0x%x does not match firmware "
542 		      "file load ID 0x%x", scsi_4btoul(vpd_page.load_id),
543 		      scsi_4btoul(header->load_id));
544 		goto bailout;
545 	}
546 
547 	if (bcmp(vpd_page.ru_name, header->ru_name,
548 		 MIN(sizeof(vpd_page.ru_name), sizeof(header->ru_name))) != 0) {
549 		warnx("Drive Firmware RU name 0x%jx does not match firmware "
550 		      "file RU name 0x%jx",
551 		      (uintmax_t)scsi_8btou64(vpd_page.ru_name),
552 		      (uintmax_t)scsi_8btou64(header->ru_name));
553 		goto bailout;
554 	}
555 	if (quiet == 0)
556 		fprintf(stdout, "Firmware file is valid for this drive.\n");
557 	retval = 0;
558 bailout:
559 	cam_freeccb(ccb);
560 
561 	return (retval);
562 }
563 
564 /*
565  * Allocate a buffer and read fw image file into it
566  * from given path. Number of bytes read is stored
567  * in num_bytes.
568  */
569 static char *
570 fw_read_img(struct cam_device *dev, int retry_count, int timeout, int quiet,
571 	    const char *fw_img_path, struct fw_vendor *vp, int *num_bytes)
572 {
573 	int fd;
574 	struct stat stbuf;
575 	char *buf;
576 	off_t img_size;
577 	int skip_bytes = 0;
578 
579 	if ((fd = open(fw_img_path, O_RDONLY)) < 0) {
580 		warn("Could not open image file %s", fw_img_path);
581 		return (NULL);
582 	}
583 	if (fstat(fd, &stbuf) < 0) {
584 		warn("Could not stat image file %s", fw_img_path);
585 		goto bailout1;
586 	}
587 	if ((img_size = stbuf.st_size) == 0) {
588 		warnx("Zero length image file %s", fw_img_path);
589 		goto bailout1;
590 	}
591 	if ((buf = malloc(img_size)) == NULL) {
592 		warnx("Could not allocate buffer to read image file %s",
593 		    fw_img_path);
594 		goto bailout1;
595 	}
596 	/* Skip headers if applicable. */
597 	switch (vp->type) {
598 	case VENDOR_SEAGATE:
599 		if (read(fd, buf, 16) != 16) {
600 			warn("Could not read image file %s", fw_img_path);
601 			goto bailout;
602 		}
603 		if (lseek(fd, 0, SEEK_SET) == -1) {
604 			warn("Unable to lseek");
605 			goto bailout;
606 		}
607 		if ((strncmp(buf, "SEAGATE,SEAGATE ", 16) == 0) ||
608 		    (img_size % 512 == 80))
609 			skip_bytes = 80;
610 		break;
611 	case VENDOR_QUALSTAR:
612 		skip_bytes = img_size % 1030;
613 		break;
614 	case VENDOR_IBM: {
615 		if (vp->dev_type != T_SEQUENTIAL)
616 			break;
617 		if (fw_validate_ibm(dev, retry_count, timeout, fd, buf,
618 				    fw_img_path, quiet) != 0)
619 			goto bailout;
620 		break;
621 	}
622 	default:
623 		break;
624 	}
625 	if (skip_bytes != 0) {
626 		fprintf(stdout, "Skipping %d byte header.\n", skip_bytes);
627 		if (lseek(fd, skip_bytes, SEEK_SET) == -1) {
628 			warn("Could not lseek");
629 			goto bailout;
630 		}
631 		img_size -= skip_bytes;
632 	}
633 	/* Read image into a buffer. */
634 	if (read(fd, buf, img_size) != img_size) {
635 		warn("Could not read image file %s", fw_img_path);
636 		goto bailout;
637 	}
638 	*num_bytes = img_size;
639 	close(fd);
640 	return (buf);
641 bailout:
642 	free(buf);
643 bailout1:
644 	close(fd);
645 	*num_bytes = 0;
646 	return (NULL);
647 }
648 
649 /*
650  * Returns 0 for "success", where success means that the device has met the
651  * requirement in the vendor structure for being ready or not ready when
652  * firmware is downloaded.
653  *
654  * Returns 1 for a failure to be ready to accept a firmware download.
655  * (e.g., a drive needs to be ready, but returns not ready)
656  *
657  * Returns -1 for any other failure.
658  */
659 static int
660 fw_check_device_ready(struct cam_device *dev, camcontrol_devtype devtype,
661 		      struct fw_vendor *vp, int printerrors, int timeout)
662 {
663 	union ccb *ccb;
664 	int retval = 0;
665 	int16_t *ptr = NULL;
666 	size_t dxfer_len = 0;
667 
668 	if ((ccb = cam_getccb(dev)) == NULL) {
669 		warnx("Could not allocate CCB");
670 		retval = -1;
671 		goto bailout;
672 	}
673 
674 	CCB_CLEAR_ALL_EXCEPT_HDR(ccb);
675 
676 	if (devtype != CC_DT_SCSI) {
677 		dxfer_len = sizeof(struct ata_params);
678 
679 		ptr = (uint16_t *)malloc(dxfer_len);
680 		if (ptr == NULL) {
681 			warnx("can't malloc memory for identify");
682 			retval = -1;
683 			goto bailout;
684 		}
685 		bzero(ptr, dxfer_len);
686 	}
687 
688 	switch (devtype) {
689 	case CC_DT_SCSI:
690 		scsi_test_unit_ready(&ccb->csio,
691 				     /*retries*/ 0,
692 				     /*cbfcnp*/ NULL,
693 				     /*tag_action*/ MSG_SIMPLE_Q_TAG,
694 		    		     /*sense_len*/ SSD_FULL_SIZE,
695 				     /*timeout*/ 5000);
696 		break;
697 	case CC_DT_SATL:
698 	case CC_DT_ATA: {
699 		retval = build_ata_cmd(ccb,
700 			     /*retries*/ 1,
701 			     /*flags*/ CAM_DIR_IN,
702 			     /*tag_action*/ MSG_SIMPLE_Q_TAG,
703 			     /*protocol*/ AP_PROTO_PIO_IN,
704 			     /*ata_flags*/ AP_FLAG_BYT_BLOK_BLOCKS |
705 					   AP_FLAG_TLEN_SECT_CNT |
706 					   AP_FLAG_TDIR_FROM_DEV,
707 			     /*features*/ 0,
708 			     /*sector_count*/ dxfer_len / 512,
709 			     /*lba*/ 0,
710 			     /*command*/ ATA_ATA_IDENTIFY,
711 			     /*auxiliary*/ 0,
712 			     /*data_ptr*/ (uint8_t *)ptr,
713 			     /*dxfer_len*/ dxfer_len,
714 			     /*cdb_storage*/ NULL,
715 			     /*cdb_storage_len*/ 0,
716 			     /*sense_len*/ SSD_FULL_SIZE,
717 			     /*timeout*/ timeout ? timeout : 30 * 1000,
718 			     /*is48bit*/ 0,
719 			     /*devtype*/ devtype);
720 		if (retval != 0) {
721 			retval = -1;
722 			warnx("%s: build_ata_cmd() failed, likely "
723 			    "programmer error", __func__);
724 			goto bailout;
725 		}
726 		break;
727 	}
728 	default:
729 		warnx("Unknown disk type %d", devtype);
730 		retval = -1;
731 		goto bailout;
732 		break; /*NOTREACHED*/
733 	}
734 
735 	ccb->ccb_h.flags |= CAM_DEV_QFRZDIS;
736 
737 	retval = cam_send_ccb(dev, ccb);
738 	if (retval != 0) {
739 		warn("error sending %s CCB", (devtype == CC_DT_SCSI) ?
740 		     "Test Unit Ready" : "Identify");
741 		retval = -1;
742 		goto bailout;
743 	}
744 
745 	if (((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP)
746 	 && (vp->tur_status == FW_TUR_READY)) {
747 		warnx("Device is not ready");
748 		if (printerrors)
749 			cam_error_print(dev, ccb, CAM_ESF_ALL,
750 			    CAM_EPF_ALL, stderr);
751 		retval = 1;
752 		goto bailout;
753 	} else if (((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP)
754 		&& (vp->tur_status == FW_TUR_NOT_READY)) {
755 		warnx("Device cannot have media loaded when firmware is "
756 		    "downloaded");
757 		retval = 1;
758 		goto bailout;
759 	}
760 bailout:
761 	free(ptr);
762 	cam_freeccb(ccb);
763 
764 	return (retval);
765 }
766 
767 /*
768  * Download firmware stored in buf to cam_dev. If simulation mode
769  * is enabled, only show what packet sizes would be sent to the
770  * device but do not sent any actual packets
771  */
772 static int
773 fw_download_img(struct cam_device *cam_dev, struct fw_vendor *vp,
774     char *buf, int img_size, int sim_mode, int printerrors, int quiet,
775     int retry_count, int timeout, const char *imgname,
776     camcontrol_devtype devtype)
777 {
778 	struct scsi_write_buffer cdb;
779 	progress_t progress;
780 	int size = 0;
781 	union ccb *ccb = NULL;
782 	int pkt_count = 0;
783 	int max_pkt_size;
784 	u_int32_t pkt_size = 0;
785 	char *pkt_ptr = buf;
786 	u_int32_t offset;
787 	int last_pkt = 0;
788 	int retval = 0;
789 
790 	/*
791 	 * Check to see whether the device is ready to accept a firmware
792 	 * download.
793 	 */
794 	retval = fw_check_device_ready(cam_dev, devtype, vp, printerrors,
795 				       timeout);
796 	if (retval != 0)
797 		goto bailout;
798 
799 	if ((ccb = cam_getccb(cam_dev)) == NULL) {
800 		warnx("Could not allocate CCB");
801 		retval = 1;
802 		goto bailout;
803 	}
804 
805 	CCB_CLEAR_ALL_EXCEPT_HDR(ccb);
806 
807 	max_pkt_size = vp->max_pkt_size;
808 	if (max_pkt_size == 0)
809 		max_pkt_size = UNKNOWN_MAX_PKT_SIZE;
810 
811 	pkt_size = max_pkt_size;
812 	progress_init(&progress, imgname, size = img_size);
813 	/* Download single fw packets. */
814 	do {
815 		if (img_size <= max_pkt_size) {
816 			last_pkt = 1;
817 			pkt_size = img_size;
818 		}
819 		progress_update(&progress, size - img_size);
820 		if (((sim_mode == 0) && (quiet == 0))
821 		 || ((sim_mode != 0) && (printerrors == 0)))
822 			progress_draw(&progress);
823 		bzero(&cdb, sizeof(cdb));
824 		switch (devtype) {
825 		case CC_DT_SCSI:
826 			cdb.opcode  = WRITE_BUFFER;
827 			cdb.control = 0;
828 			/* Parameter list length. */
829 			scsi_ulto3b(pkt_size, &cdb.length[0]);
830 			offset = vp->inc_cdb_offset ? (pkt_ptr - buf) : 0;
831 			scsi_ulto3b(offset, &cdb.offset[0]);
832 			cdb.byte2 = last_pkt ? vp->cdb_byte2_last :
833 					       vp->cdb_byte2;
834 			cdb.buffer_id = vp->inc_cdb_buffer_id ? pkt_count : 0;
835 			/* Zero out payload of ccb union after ccb header. */
836 			CCB_CLEAR_ALL_EXCEPT_HDR(&ccb->csio);
837 			/*
838 			 * Copy previously constructed cdb into ccb_scsiio
839 			 * struct.
840 			 */
841 			bcopy(&cdb, &ccb->csio.cdb_io.cdb_bytes[0],
842 			    sizeof(struct scsi_write_buffer));
843 			/* Fill rest of ccb_scsiio struct. */
844 			cam_fill_csio(&ccb->csio,		/* ccb_scsiio*/
845 			    retry_count,			/* retries*/
846 			    NULL,				/* cbfcnp*/
847 			    CAM_DIR_OUT | CAM_DEV_QFRZDIS,	/* flags*/
848 			    CAM_TAG_ACTION_NONE,		/* tag_action*/
849 			    (u_char *)pkt_ptr,			/* data_ptr*/
850 			    pkt_size,				/* dxfer_len*/
851 			    SSD_FULL_SIZE,			/* sense_len*/
852 			    sizeof(struct scsi_write_buffer),	/* cdb_len*/
853 			    timeout ? timeout : WB_TIMEOUT);	/* timeout*/
854 			break;
855 		case CC_DT_ATA:
856 		case CC_DT_SATL: {
857 			uint32_t	off;
858 
859 			off = (uint32_t)(pkt_ptr - buf);
860 
861 			retval = build_ata_cmd(ccb,
862 			    /*retry_count*/ retry_count,
863 			    /*flags*/ CAM_DIR_OUT | CAM_DEV_QFRZDIS,
864 			    /*tag_action*/ CAM_TAG_ACTION_NONE,
865 			    /*protocol*/ AP_PROTO_PIO_OUT,
866 			    /*ata_flags*/ AP_FLAG_BYT_BLOK_BYTES |
867 					  AP_FLAG_TLEN_SECT_CNT |
868 					  AP_FLAG_TDIR_TO_DEV,
869 			    /*features*/ USE_OFFSETS_FEATURE,
870 			    /*sector_count*/ ATA_MAKE_SECTORS(pkt_size),
871 			    /*lba*/ ATA_MAKE_LBA(off, pkt_size),
872 			    /*command*/ ATA_DOWNLOAD_MICROCODE,
873 			    /*auxiliary*/ 0,
874 			    /*data_ptr*/ (uint8_t *)pkt_ptr,
875 			    /*dxfer_len*/ pkt_size,
876 			    /*cdb_storage*/ NULL,
877 			    /*cdb_storage_len*/ 0,
878 			    /*sense_len*/ SSD_FULL_SIZE,
879 			    /*timeout*/ timeout ? timeout : WB_TIMEOUT,
880 			    /*is48bit*/ 0,
881 			    /*devtype*/ devtype);
882 
883 			if (retval != 0) {
884 				warnx("%s: build_ata_cmd() failed, likely "
885 				    "programmer error", __func__);
886 				goto bailout;
887 			}
888 			break;
889 		}
890 		default:
891 			warnx("Unknown device type %d", devtype);
892 			retval = 1;
893 			goto bailout;
894 			break; /*NOTREACHED*/
895 		}
896 		if (!sim_mode) {
897 			/* Execute the command. */
898 			if (cam_send_ccb(cam_dev, ccb) < 0 ||
899 			    (ccb->ccb_h.status & CAM_STATUS_MASK) !=
900 			    CAM_REQ_CMP) {
901 				warnx("Error writing image to device");
902 				if (printerrors)
903 					cam_error_print(cam_dev, ccb,
904 					    CAM_ESF_ALL, CAM_EPF_ALL, stderr);
905 				retval = 1;
906 				goto bailout;
907 			}
908 		} else if (printerrors) {
909 			cam_error_print(cam_dev, ccb, CAM_ESF_COMMAND, 0,
910 			    stdout);
911 		}
912 
913 		/* Prepare next round. */
914 		pkt_count++;
915 		pkt_ptr += pkt_size;
916 		img_size -= pkt_size;
917 	} while(!last_pkt);
918 bailout:
919 	if (quiet == 0)
920 		progress_complete(&progress, size - img_size);
921 	cam_freeccb(ccb);
922 	return (retval);
923 }
924 
925 int
926 fwdownload(struct cam_device *device, int argc, char **argv,
927     char *combinedopt, int printerrors, int task_attr, int retry_count,
928     int timeout)
929 {
930 	union ccb *ccb = NULL;
931 	struct fw_vendor *vp;
932 	char *fw_img_path = NULL;
933 	struct ata_params *ident_buf = NULL;
934 	camcontrol_devtype devtype;
935 	char *buf = NULL;
936 	int img_size;
937 	int c;
938 	int sim_mode = 0;
939 	int confirmed = 0;
940 	int quiet = 0;
941 	int retval = 0;
942 
943 	while ((c = getopt(argc, argv, combinedopt)) != -1) {
944 		switch (c) {
945 		case 'f':
946 			fw_img_path = optarg;
947 			break;
948 		case 'q':
949 			quiet = 1;
950 			break;
951 		case 's':
952 			sim_mode = 1;
953 			break;
954 		case 'y':
955 			confirmed = 1;
956 			break;
957 		default:
958 			break;
959 		}
960 	}
961 
962 	if (fw_img_path == NULL)
963 		errx(1, "you must specify a firmware image file using -f "
964 		     "option");
965 
966 	retval = get_device_type(device, retry_count, timeout, printerrors,
967 				 &devtype);
968 	if (retval != 0)
969 		errx(1, "Unable to determine device type");
970 
971 	if ((devtype == CC_DT_ATA)
972 	 || (devtype == CC_DT_SATL)) {
973 		ccb = cam_getccb(device);
974 		if (ccb == NULL) {
975 			warnx("couldn't allocate CCB");
976 			retval = 1;
977 			goto bailout;
978 		}
979 
980 		if (ata_do_identify(device, retry_count, timeout, ccb,
981 		    		    &ident_buf) != 0) {
982 			retval = 1;
983 			goto bailout;
984 		}
985 	} else if (devtype != CC_DT_SCSI)
986 		errx(1, "Unsupported device type %d", devtype);
987 
988 	vp = fw_get_vendor(device, ident_buf);
989 	/*
990 	 * Bail out if we have an unknown vendor and this isn't an ATA
991 	 * disk.  For a SCSI disk, we have no chance of working properly
992 	 * with the default values in the VENDOR_UNKNOWN case.  For an ATA
993 	 * disk connected via an ATA transport, we may work for drives that
994 	 * support the ATA_DOWNLOAD_MICROCODE command.
995 	 */
996 	if (((vp == NULL)
997 	  || (vp->type == VENDOR_UNKNOWN))
998 	 && (devtype == CC_DT_SCSI))
999 		errx(1, "Unsupported device");
1000 
1001 	retval = fw_get_timeout(device, vp, task_attr, retry_count, timeout);
1002 	if (retval != 0) {
1003 		warnx("Unable to get a firmware download timeout value");
1004 		goto bailout;
1005 	}
1006 
1007 	buf = fw_read_img(device, retry_count, timeout, quiet, fw_img_path,
1008 	    vp, &img_size);
1009 	if (buf == NULL) {
1010 		retval = 1;
1011 		goto bailout;
1012 	}
1013 
1014 	if (!confirmed) {
1015 		fprintf(stdout, "You are about to download firmware image (%s)"
1016 		    " into the following device:\n",
1017 		    fw_img_path);
1018 		if (devtype == CC_DT_SCSI) {
1019 			if (scsidoinquiry(device, argc, argv, combinedopt,
1020 					  MSG_SIMPLE_Q_TAG, 0, 5000) != 0) {
1021 				warnx("Error sending inquiry");
1022 				retval = 1;
1023 				goto bailout;
1024 			}
1025 		} else {
1026 			printf("%s%d: ", device->device_name,
1027 			    device->dev_unit_num);
1028 			ata_print_ident(ident_buf);
1029 			camxferrate(device);
1030 			free(ident_buf);
1031 		}
1032 		fprintf(stdout, "Using a timeout of %u ms, which is %s.\n",
1033 			vp->timeout_ms,
1034 			fw_timeout_desc_table[vp->timeout_type].timeout_desc);
1035 		fprintf(stdout, "\nIt may damage your drive. ");
1036 		if (!get_confirmation()) {
1037 			retval = 1;
1038 			goto bailout;
1039 		}
1040 	}
1041 	if ((sim_mode != 0) && (quiet == 0))
1042 		fprintf(stdout, "Running in simulation mode\n");
1043 
1044 	if (fw_download_img(device, vp, buf, img_size, sim_mode, printerrors,
1045 	    quiet, retry_count, vp->timeout_ms, fw_img_path, devtype) != 0) {
1046 		fprintf(stderr, "Firmware download failed\n");
1047 		retval = 1;
1048 		goto bailout;
1049 	} else if (quiet == 0)
1050 		fprintf(stdout, "Firmware download successful\n");
1051 
1052 bailout:
1053 	cam_freeccb(ccb);
1054 	free(buf);
1055 	return (retval);
1056 }
1057 
1058