xref: /freebsd/sbin/camcontrol/fwdownload.c (revision 5dae51da3da0cc94d17bd67b308fad304ebec7e0)
1 /*-
2  * Copyright (c) 2011 Sandvine Incorporated. All rights reserved.
3  * Copyright (c) 2002-2011 Andre Albsmeier <andre@albsmeier.net>
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer,
11  *    without modification, immediately at the beginning of the file.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26  */
27 
28 /*
29  * This software is derived from Andre Albsmeier's fwprog.c which contained
30  * the following note:
31  *
32  * Many thanks goes to Marc Frajola <marc@terasolutions.com> from
33  * TeraSolutions for the initial idea and his programme for upgrading
34  * the firmware of I*M DDYS drives.
35  */
36 
37 /*
38  * BEWARE:
39  *
40  * The fact that you see your favorite vendor listed below does not
41  * imply that your equipment won't break when you use this software
42  * with it. It only means that the firmware of at least one device type
43  * of each vendor listed has been programmed successfully using this code.
44  *
45  * The -s option simulates a download but does nothing apart from that.
46  * It can be used to check what chunk sizes would have been used with the
47  * specified device.
48  */
49 
50 #include <sys/cdefs.h>
51 __FBSDID("$FreeBSD$");
52 
53 #include <sys/types.h>
54 #include <sys/stat.h>
55 
56 #include <err.h>
57 #include <fcntl.h>
58 #include <stdio.h>
59 #include <stdlib.h>
60 #include <string.h>
61 #include <unistd.h>
62 
63 #include <cam/scsi/scsi_all.h>
64 #include <cam/scsi/scsi_message.h>
65 #include <camlib.h>
66 
67 #include "progress.h"
68 
69 #include "camcontrol.h"
70 
71 #define	WB_TIMEOUT 50000	/* 50 seconds */
72 
73 typedef enum {
74 	VENDOR_HGST,
75 	VENDOR_HITACHI,
76 	VENDOR_HP,
77 	VENDOR_IBM,
78 	VENDOR_PLEXTOR,
79 	VENDOR_QUALSTAR,
80 	VENDOR_QUANTUM,
81 	VENDOR_SAMSUNG,
82 	VENDOR_SEAGATE,
83 	VENDOR_SMART,
84 	VENDOR_ATA,
85 	VENDOR_UNKNOWN
86 } fw_vendor_t;
87 
88 /*
89  * FW_TUR_READY:     The drive must return good status for a test unit ready.
90  *
91  * FW_TUR_NOT_READY: The drive must return not ready status for a test unit
92  *		     ready.  You may want this in a removable media drive.
93  *
94  * FW_TUR_NA:	     It doesn't matter whether the drive is ready or not.
95  * 		     This may be the case for a removable media drive.
96  */
97 typedef enum {
98 	FW_TUR_NONE,
99 	FW_TUR_READY,
100 	FW_TUR_NOT_READY,
101 	FW_TUR_NA
102 } fw_tur_status;
103 
104 /*
105  * FW_TIMEOUT_DEFAULT:		Attempt to probe for a WRITE BUFFER timeout
106  *				value from the drive.  If we get an answer,
107  *				use the Recommended timeout.  Otherwise,
108  * 				use the default value from the table.
109  *
110  * FW_TIMEOUT_DEV_REPORTED:	The timeout value was probed directly from
111  *				the device.
112  *
113  * FW_TIMEOUT_NO_PROBE:		Do not ask the device for a WRITE BUFFER
114  * 				timeout value.  Use the device-specific
115  *				value.
116  *
117  * FW_TIMEOUT_USER_SPEC:	The user specified a timeout on the command
118  *				line with the -t option.  This overrides any
119  *				probe or default timeout.
120  */
121 typedef enum {
122 	FW_TIMEOUT_DEFAULT,
123 	FW_TIMEOUT_DEV_REPORTED,
124 	FW_TIMEOUT_NO_PROBE,
125 	FW_TIMEOUT_USER_SPEC
126 } fw_timeout_type;
127 
128 /*
129  * type: 		Enumeration for the particular vendor.
130  *
131  * pattern:		Pattern to match for the Vendor ID from the SCSI
132  *			Inquiry data.
133  *
134  * dev_type:		SCSI device type to match, or T_ANY to match any
135  *			device from the given vendor.  Note that if there
136  *			is a specific device type listed for a particular
137  *			vendor, it must be listed before a T_ANY entry.
138  *
139  * max_pkt_size:	Maximum packet size when talking to a device.  Note
140  *			that although large data sizes may be supported by
141  *			the target device, they may not be supported by the
142  *			OS or the controller.
143  *
144  * cdb_byte2:		This specifies byte 2 (byte 1 when counting from 0)
145  *			of the CDB.  This is generally the WRITE BUFFER mode.
146  *
147  * cdb_byte2_last:	This specifies byte 2 for the last chunk of the
148  *			download.
149  *
150  * inc_cdb_buffer_id:	Increment the buffer ID by 1 for each chunk sent
151  *			down to the drive.
152  *
153  * inc_cdb_offset:	Increment the offset field in the CDB with the byte
154  *			offset into the firmware file.
155  *
156  * tur_status:		Pay attention to whether the device is ready before
157  *			upgrading the firmware, or not.  See above for the
158  *			values.
159  */
160 struct fw_vendor {
161 	fw_vendor_t type;
162 	const char *pattern;
163 	int dev_type;
164 	int max_pkt_size;
165 	u_int8_t cdb_byte2;
166 	u_int8_t cdb_byte2_last;
167 	int inc_cdb_buffer_id;
168 	int inc_cdb_offset;
169 	fw_tur_status tur_status;
170 	int timeout_ms;
171 	fw_timeout_type timeout_type;
172 };
173 
174 /*
175  * Vendor notes:
176  *
177  * HGST:     The packets need to be sent in multiples of 4K.
178  *
179  * IBM:      For LTO and TS drives, the buffer ID is ignored in mode 7 (and
180  * 	     some other modes).  It treats the request as a firmware download.
181  *           The offset (and therefore the length of each chunk sent) needs
182  *           to be a multiple of the offset boundary specified for firmware
183  *           (buffer ID 4) in the read buffer command.  At least for LTO-6,
184  *           that seems to be 0, but using a 32K chunk size should satisfy
185  *           most any alignment requirement.
186  *
187  * SmrtStor: Mode 5 is also supported, but since the firmware is 400KB or
188  *           so, we can't fit it in a single request in most cases.
189  */
190 static struct fw_vendor vendors_list[] = {
191 	{VENDOR_HGST,	 	"HGST",		T_DIRECT,
192 	0x1000, 0x07, 0x07, 1, 0, FW_TUR_READY, WB_TIMEOUT, FW_TIMEOUT_DEFAULT},
193 	{VENDOR_HITACHI, 	"HITACHI",	T_ANY,
194 	0x8000, 0x05, 0x05, 1, 0, FW_TUR_READY, WB_TIMEOUT, FW_TIMEOUT_DEFAULT},
195 	{VENDOR_HP,	 	"HP",		T_ANY,
196 	0x8000, 0x07, 0x07, 0, 1, FW_TUR_READY, WB_TIMEOUT, FW_TIMEOUT_DEFAULT},
197 	{VENDOR_IBM,		"IBM",		T_SEQUENTIAL,
198 	0x8000, 0x07, 0x07, 0, 1, FW_TUR_NA, 300 * 1000, FW_TIMEOUT_DEFAULT},
199 	{VENDOR_IBM,		"IBM",		T_ANY,
200 	0x8000, 0x05, 0x05, 1, 0, FW_TUR_READY, WB_TIMEOUT, FW_TIMEOUT_DEFAULT},
201 	{VENDOR_PLEXTOR,	"PLEXTOR",	T_ANY,
202 	0x2000, 0x04, 0x05, 0, 1, FW_TUR_READY, WB_TIMEOUT, FW_TIMEOUT_DEFAULT},
203 	{VENDOR_QUALSTAR,	"QUALSTAR",	T_ANY,
204 	0x2030, 0x05, 0x05, 0, 0, FW_TUR_READY, WB_TIMEOUT, FW_TIMEOUT_DEFAULT},
205 	{VENDOR_QUANTUM,	"QUANTUM",	T_ANY,
206 	0x2000, 0x04, 0x05, 0, 1, FW_TUR_READY, WB_TIMEOUT, FW_TIMEOUT_DEFAULT},
207 	{VENDOR_SAMSUNG,	"SAMSUNG",	T_ANY,
208 	0x8000, 0x07, 0x07, 0, 1, FW_TUR_READY, WB_TIMEOUT, FW_TIMEOUT_DEFAULT},
209 	{VENDOR_SEAGATE,	"SEAGATE",	T_ANY,
210 	0x8000, 0x07, 0x07, 0, 1, FW_TUR_READY, WB_TIMEOUT, FW_TIMEOUT_DEFAULT},
211 	{VENDOR_SMART,		"SmrtStor",	T_DIRECT,
212 	0x8000, 0x07, 0x07, 0, 1, FW_TUR_READY, WB_TIMEOUT, FW_TIMEOUT_DEFAULT},
213 
214 	/*
215 	 * We match any ATA device.  This is really just a placeholder,
216 	 * since we won't actually send a WRITE BUFFER with any of the
217 	 * listed parameters.  If a SATA device is behind a SAS controller,
218 	 * the SCSI to ATA translation code (at least for LSI) doesn't
219 	 * generally translate a SCSI WRITE BUFFER into an ATA DOWNLOAD
220 	 * MICROCODE command.  So, we use the SCSI ATA PASS_THROUGH command
221 	 * to send the ATA DOWNLOAD MICROCODE command instead.
222 	 */
223 	{VENDOR_ATA,		"ATA",		T_ANY,
224 	 0x8000, 0x07, 0x07, 0, 1, FW_TUR_READY, WB_TIMEOUT,
225 	 FW_TIMEOUT_NO_PROBE},
226 	{VENDOR_UNKNOWN,	NULL,		T_ANY,
227 	0x0000, 0x00, 0x00, 0, 0, FW_TUR_NONE, WB_TIMEOUT, FW_TIMEOUT_DEFAULT}
228 };
229 
230 struct fw_timeout_desc {
231 	fw_timeout_type timeout_type;
232 	const char *timeout_desc;
233 };
234 
235 static const struct fw_timeout_desc fw_timeout_desc_table[] = {
236 	{ FW_TIMEOUT_DEFAULT, "the default" },
237 	{ FW_TIMEOUT_DEV_REPORTED, "recommended by this particular device" },
238 	{ FW_TIMEOUT_NO_PROBE, "the default" },
239 	{ FW_TIMEOUT_USER_SPEC, "what was specified on the command line" }
240 };
241 
242 #ifndef ATA_DOWNLOAD_MICROCODE
243 #define ATA_DOWNLOAD_MICROCODE	0x92
244 #endif
245 
246 #define USE_OFFSETS_FEATURE	0x3
247 
248 #ifndef LOW_SECTOR_SIZE
249 #define LOW_SECTOR_SIZE		512
250 #endif
251 
252 #define ATA_MAKE_LBA(o, p)	\
253 	((((((o) / LOW_SECTOR_SIZE) >> 8) & 0xff) << 16) | \
254 	  ((((o) / LOW_SECTOR_SIZE) & 0xff) << 8) | \
255 	  ((((p) / LOW_SECTOR_SIZE) >> 8) & 0xff))
256 
257 #define ATA_MAKE_SECTORS(p)	(((p) / 512) & 0xff)
258 
259 #ifndef UNKNOWN_MAX_PKT_SIZE
260 #define UNKNOWN_MAX_PKT_SIZE	0x8000
261 #endif
262 
263 static struct fw_vendor *fw_get_vendor(struct cam_device *cam_dev,
264 				       struct ata_params *ident_buf);
265 static int fw_get_timeout(struct cam_device *cam_dev, struct fw_vendor *vp,
266 			  int retry_count, int timeout);
267 static int fw_validate_ibm(struct cam_device *dev, int retry_count,
268 			   int timeout, int fd, char *buf,
269 			    const char *fw_img_path, int quiet);
270 static char *fw_read_img(struct cam_device *dev, int retry_count,
271 			 int timeout, int quiet, const char *fw_img_path,
272 			 struct fw_vendor *vp, int *num_bytes);
273 static int fw_check_device_ready(struct cam_device *dev,
274 				 camcontrol_devtype devtype,
275 				 struct fw_vendor *vp, int printerrors,
276 				 int timeout);
277 static int fw_download_img(struct cam_device *cam_dev,
278 			   struct fw_vendor *vp, char *buf, int img_size,
279 			   int sim_mode, int printerrors, int quiet,
280 			   int retry_count, int timeout, const char */*name*/,
281 			   camcontrol_devtype devtype);
282 
283 /*
284  * Find entry in vendors list that belongs to
285  * the vendor of given cam device.
286  */
287 static struct fw_vendor *
288 fw_get_vendor(struct cam_device *cam_dev, struct ata_params *ident_buf)
289 {
290 	char vendor[42];
291 	struct fw_vendor *vp;
292 
293 	if (cam_dev == NULL)
294 		return (NULL);
295 
296 	if (ident_buf != NULL) {
297 		cam_strvis((u_char *)vendor, ident_buf->model,
298 		    sizeof(ident_buf->model), sizeof(vendor));
299 		for (vp = vendors_list; vp->pattern != NULL; vp++) {
300 			if (vp->type == VENDOR_ATA)
301 				return (vp);
302 		}
303 	} else {
304 		cam_strvis((u_char *)vendor, (u_char *)cam_dev->inq_data.vendor,
305 		    sizeof(cam_dev->inq_data.vendor), sizeof(vendor));
306 	}
307 	for (vp = vendors_list; vp->pattern != NULL; vp++) {
308 		if (!cam_strmatch((const u_char *)vendor,
309 		    (const u_char *)vp->pattern, strlen(vendor))) {
310 			if ((vp->dev_type == T_ANY)
311 			 || (vp->dev_type == SID_TYPE(&cam_dev->inq_data)))
312 				break;
313 		}
314 	}
315 	return (vp);
316 }
317 
318 static int
319 fw_get_timeout(struct cam_device *cam_dev, struct fw_vendor *vp,
320 	       int retry_count, int timeout)
321 {
322 	struct scsi_report_supported_opcodes_one *one;
323 	struct scsi_report_supported_opcodes_timeout *td;
324 	uint8_t *buf = NULL;
325 	uint32_t fill_len = 0, cdb_len = 0, rec_timeout = 0;
326 	int retval = 0;
327 
328 	/*
329 	 * If the user has specified a timeout on the command line, we let
330 	 * him override any default or probed value.
331 	 */
332 	if (timeout != 0) {
333 		vp->timeout_type = FW_TIMEOUT_USER_SPEC;
334 		vp->timeout_ms = timeout;
335 		goto bailout;
336 	}
337 
338 	/*
339 	 * Check to see whether we should probe for a timeout for this
340 	 * device.
341 	 */
342 	if (vp->timeout_type == FW_TIMEOUT_NO_PROBE)
343 		goto bailout;
344 
345 	retval = scsigetopcodes(/*device*/ cam_dev,
346 				/*opcode_set*/ 1,
347 				/*opcode*/ WRITE_BUFFER,
348 				/*show_sa_errors*/ 1,
349 				/*sa_set*/ 0,
350 				/*service_action*/ 0,
351 				/*timeout_desc*/ 1,
352 				/*retry_count*/ retry_count,
353 				/*timeout*/ 10000,
354 				/*verbose*/ 0,
355 				/*fill_len*/ &fill_len,
356 				/*data_ptr*/ &buf);
357 	/*
358 	 * It isn't an error if we can't get a timeout descriptor.  We just
359 	 * continue on with the default timeout.
360 	 */
361 	if (retval != 0) {
362 		retval = 0;
363 		goto bailout;
364 	}
365 
366 	/*
367 	 * Even if the drive didn't return a SCSI error, if we don't have
368 	 * enough data to contain the one opcode descriptor, the CDB
369 	 * structure and a timeout descriptor, we don't have the timeout
370 	 * value we're looking for.  So we'll just fall back to the
371 	 * default value.
372 	 */
373 	if (fill_len < (sizeof(*one) + sizeof(struct scsi_write_buffer) +
374 	    sizeof(*td)))
375 		goto bailout;
376 
377 	one = (struct scsi_report_supported_opcodes_one *)buf;
378 
379 	/*
380 	 * If the drive claims to not support the WRITE BUFFER command...
381 	 * fall back to the default timeout value and let things fail on
382 	 * the actual firmware download.
383 	 */
384 	if ((one->support & RSO_ONE_SUP_MASK) == RSO_ONE_SUP_NOT_SUP)
385 		goto bailout;
386 
387 	cdb_len = scsi_2btoul(one->cdb_length);
388 	td = (struct scsi_report_supported_opcodes_timeout *)
389 	    &buf[sizeof(*one) + cdb_len];
390 
391 	rec_timeout = scsi_4btoul(td->recommended_time);
392 	/*
393 	 * If the recommended timeout is 0, then the device has probably
394 	 * returned a bogus value.
395 	 */
396 	if (rec_timeout == 0)
397 		goto bailout;
398 
399 	/* CAM timeouts are in ms */
400 	rec_timeout *= 1000;
401 
402 	vp->timeout_ms = rec_timeout;
403 	vp->timeout_type = FW_TIMEOUT_DEV_REPORTED;
404 
405 bailout:
406 	return (retval);
407 }
408 
409 #define	SVPD_IBM_FW_DESIGNATION		0x03
410 
411 /*
412  * IBM LTO and TS tape drives have an INQUIRY VPD page 0x3 with the following
413  * format:
414  */
415 struct fw_ibm_tape_fw_designation {
416 	uint8_t	device;
417 	uint8_t page_code;
418 	uint8_t reserved;
419 	uint8_t length;
420 	uint8_t ascii_length;
421 	uint8_t reserved2[3];
422 	uint8_t load_id[4];
423 	uint8_t fw_rev[4];
424 	uint8_t ptf_number[4];
425 	uint8_t patch_number[4];
426 	uint8_t ru_name[8];
427 	uint8_t lib_seq_num[5];
428 };
429 
430 /*
431  * The firmware for IBM tape drives has the following header format.  The
432  * load_id and ru_name in the header file should match what is returned in
433  * VPD page 0x3.
434  */
435 struct fw_ibm_tape_fw_header {
436 	uint8_t unspec[4];
437 	uint8_t length[4];		/* Firmware and header! */
438 	uint8_t load_id[4];
439 	uint8_t fw_rev[4];
440 	uint8_t reserved[8];
441 	uint8_t ru_name[8];
442 };
443 
444 static int
445 fw_validate_ibm(struct cam_device *dev, int retry_count, int timeout, int fd,
446 		char *buf, const char *fw_img_path, int quiet)
447 {
448 	union ccb *ccb;
449 	struct fw_ibm_tape_fw_designation vpd_page;
450 	struct fw_ibm_tape_fw_header *header;
451 	char drive_rev[sizeof(vpd_page.fw_rev) + 1];
452 	char file_rev[sizeof(vpd_page.fw_rev) + 1];
453 	int retval = 1;
454 
455 	ccb = cam_getccb(dev);
456 	if (ccb == NULL) {
457 		warnx("couldn't allocate CCB");
458 		goto bailout;
459 	}
460 
461 	/* cam_getccb cleans up the header, caller has to zero the payload */
462 	CCB_CLEAR_ALL_EXCEPT_HDR(&ccb->csio);
463 
464 	bzero(&vpd_page, sizeof(vpd_page));
465 
466 	scsi_inquiry(&ccb->csio,
467 		     /*retries*/ retry_count,
468 		     /*cbfcnp*/ NULL,
469 		     /* tag_action */ MSG_SIMPLE_Q_TAG,
470 		     /* inq_buf */ (u_int8_t *)&vpd_page,
471 		     /* inq_len */ sizeof(vpd_page),
472 		     /* evpd */ 1,
473 		     /* page_code */ SVPD_IBM_FW_DESIGNATION,
474 		     /* sense_len */ SSD_FULL_SIZE,
475 		     /* timeout */ timeout ? timeout : 5000);
476 
477 	/* Disable freezing the device queue */
478 	ccb->ccb_h.flags |= CAM_DEV_QFRZDIS;
479 
480 	if (retry_count != 0)
481 		ccb->ccb_h.flags |= CAM_PASS_ERR_RECOVER;
482 
483 	if (cam_send_ccb(dev, ccb) < 0) {
484 		warn("error getting firmware designation page");
485 
486 		cam_error_print(dev, ccb, CAM_ESF_ALL,
487 				CAM_EPF_ALL, stderr);
488 
489 		cam_freeccb(ccb);
490 		ccb = NULL;
491 		goto bailout;
492 	}
493 
494 	if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
495 		cam_error_print(dev, ccb, CAM_ESF_ALL,
496 				CAM_EPF_ALL, stderr);
497 		goto bailout;
498 	}
499 
500 	/*
501 	 * Read the firmware header only.
502 	 */
503 	if (read(fd, buf, sizeof(*header)) != sizeof(*header)) {
504 		warn("unable to read %zu bytes from %s", sizeof(*header),
505 		     fw_img_path);
506 		goto bailout;
507 	}
508 
509 	/* Rewind the file back to 0 for the full file read. */
510 	if (lseek(fd, 0, SEEK_SET) == -1) {
511 		warn("Unable to lseek");
512 		goto bailout;
513 	}
514 
515 	header = (struct fw_ibm_tape_fw_header *)buf;
516 
517 	bzero(drive_rev, sizeof(drive_rev));
518 	bcopy(vpd_page.fw_rev, drive_rev, sizeof(vpd_page.fw_rev));
519 	bzero(file_rev, sizeof(file_rev));
520 	bcopy(header->fw_rev, file_rev, sizeof(header->fw_rev));
521 
522 	if (quiet == 0) {
523 		fprintf(stdout, "Current Drive Firmware version: %s\n",
524 			drive_rev);
525 		fprintf(stdout, "Firmware File version: %s\n", file_rev);
526 	}
527 
528 	/*
529 	 * For IBM tape drives the load ID and RU name reported by the
530 	 * drive should match what is in the firmware file.
531 	 */
532 	if (bcmp(vpd_page.load_id, header->load_id,
533 		 MIN(sizeof(vpd_page.load_id), sizeof(header->load_id))) != 0) {
534 		warnx("Drive Firmware load ID 0x%x does not match firmware "
535 		      "file load ID 0x%x", scsi_4btoul(vpd_page.load_id),
536 		      scsi_4btoul(header->load_id));
537 		goto bailout;
538 	}
539 
540 	if (bcmp(vpd_page.ru_name, header->ru_name,
541 		 MIN(sizeof(vpd_page.ru_name), sizeof(header->ru_name))) != 0) {
542 		warnx("Drive Firmware RU name 0x%jx does not match firmware "
543 		      "file RU name 0x%jx",
544 		      (uintmax_t)scsi_8btou64(vpd_page.ru_name),
545 		      (uintmax_t)scsi_8btou64(header->ru_name));
546 		goto bailout;
547 	}
548 	if (quiet == 0)
549 		fprintf(stdout, "Firmware file is valid for this drive.\n");
550 	retval = 0;
551 bailout:
552 	if (ccb != NULL)
553 		cam_freeccb(ccb);
554 
555 	return (retval);
556 }
557 
558 /*
559  * Allocate a buffer and read fw image file into it
560  * from given path. Number of bytes read is stored
561  * in num_bytes.
562  */
563 static char *
564 fw_read_img(struct cam_device *dev, int retry_count, int timeout, int quiet,
565 	    const char *fw_img_path, struct fw_vendor *vp, int *num_bytes)
566 {
567 	int fd;
568 	struct stat stbuf;
569 	char *buf;
570 	off_t img_size;
571 	int skip_bytes = 0;
572 
573 	if ((fd = open(fw_img_path, O_RDONLY)) < 0) {
574 		warn("Could not open image file %s", fw_img_path);
575 		return (NULL);
576 	}
577 	if (fstat(fd, &stbuf) < 0) {
578 		warn("Could not stat image file %s", fw_img_path);
579 		goto bailout1;
580 	}
581 	if ((img_size = stbuf.st_size) == 0) {
582 		warnx("Zero length image file %s", fw_img_path);
583 		goto bailout1;
584 	}
585 	if ((buf = malloc(img_size)) == NULL) {
586 		warnx("Could not allocate buffer to read image file %s",
587 		    fw_img_path);
588 		goto bailout1;
589 	}
590 	/* Skip headers if applicable. */
591 	switch (vp->type) {
592 	case VENDOR_SEAGATE:
593 		if (read(fd, buf, 16) != 16) {
594 			warn("Could not read image file %s", fw_img_path);
595 			goto bailout;
596 		}
597 		if (lseek(fd, 0, SEEK_SET) == -1) {
598 			warn("Unable to lseek");
599 			goto bailout;
600 		}
601 		if ((strncmp(buf, "SEAGATE,SEAGATE ", 16) == 0) ||
602 		    (img_size % 512 == 80))
603 			skip_bytes = 80;
604 		break;
605 	case VENDOR_QUALSTAR:
606 		skip_bytes = img_size % 1030;
607 		break;
608 	case VENDOR_IBM: {
609 		if (vp->dev_type != T_SEQUENTIAL)
610 			break;
611 		if (fw_validate_ibm(dev, retry_count, timeout, fd, buf,
612 				    fw_img_path, quiet) != 0)
613 			goto bailout;
614 		break;
615 	}
616 	default:
617 		break;
618 	}
619 	if (skip_bytes != 0) {
620 		fprintf(stdout, "Skipping %d byte header.\n", skip_bytes);
621 		if (lseek(fd, skip_bytes, SEEK_SET) == -1) {
622 			warn("Could not lseek");
623 			goto bailout;
624 		}
625 		img_size -= skip_bytes;
626 	}
627 	/* Read image into a buffer. */
628 	if (read(fd, buf, img_size) != img_size) {
629 		warn("Could not read image file %s", fw_img_path);
630 		goto bailout;
631 	}
632 	*num_bytes = img_size;
633 	close(fd);
634 	return (buf);
635 bailout:
636 	free(buf);
637 bailout1:
638 	close(fd);
639 	*num_bytes = 0;
640 	return (NULL);
641 }
642 
643 /*
644  * Returns 0 for "success", where success means that the device has met the
645  * requirement in the vendor structure for being ready or not ready when
646  * firmware is downloaded.
647  *
648  * Returns 1 for a failure to be ready to accept a firmware download.
649  * (e.g., a drive needs to be ready, but returns not ready)
650  *
651  * Returns -1 for any other failure.
652  */
653 static int
654 fw_check_device_ready(struct cam_device *dev, camcontrol_devtype devtype,
655 		      struct fw_vendor *vp, int printerrors, int timeout)
656 {
657 	union ccb *ccb;
658 	int retval = 0;
659 	int16_t *ptr = NULL;
660 	size_t dxfer_len = 0;
661 
662 	if ((ccb = cam_getccb(dev)) == NULL) {
663 		warnx("Could not allocate CCB");
664 		retval = -1;
665 		goto bailout;
666 	}
667 
668 	CCB_CLEAR_ALL_EXCEPT_HDR(ccb);
669 
670 	if (devtype != CC_DT_SCSI) {
671 		dxfer_len = sizeof(struct ata_params);
672 
673 		ptr = (uint16_t *)malloc(dxfer_len);
674 		if (ptr == NULL) {
675 			warnx("can't malloc memory for identify");
676 			retval = -1;
677 			goto bailout;
678 		}
679 		bzero(ptr, dxfer_len);
680 	}
681 
682 	switch (devtype) {
683 	case CC_DT_SCSI:
684 		scsi_test_unit_ready(&ccb->csio,
685 				     /*retries*/ 0,
686 				     /*cbfcnp*/ NULL,
687 				     /*tag_action*/ MSG_SIMPLE_Q_TAG,
688 		    		     /*sense_len*/ SSD_FULL_SIZE,
689 				     /*timeout*/ 5000);
690 		break;
691 	case CC_DT_ATA_BEHIND_SCSI:
692 	case CC_DT_ATA: {
693 		retval = build_ata_cmd(ccb,
694 			     /*retries*/ 1,
695 			     /*flags*/ CAM_DIR_IN,
696 			     /*tag_action*/ MSG_SIMPLE_Q_TAG,
697 			     /*protocol*/ AP_PROTO_PIO_IN,
698 			     /*ata_flags*/ AP_FLAG_BYT_BLOK_BYTES |
699 					   AP_FLAG_TLEN_SECT_CNT |
700 					   AP_FLAG_TDIR_FROM_DEV,
701 			     /*features*/ 0,
702 			     /*sector_count*/ (uint8_t) dxfer_len,
703 			     /*lba*/ 0,
704 			     /*command*/ ATA_ATA_IDENTIFY,
705 			     /*auxiliary*/ 0,
706 			     /*data_ptr*/ (uint8_t *)ptr,
707 			     /*dxfer_len*/ dxfer_len,
708 			     /*cdb_storage*/ NULL,
709 			     /*cdb_storage_len*/ 0,
710 			     /*sense_len*/ SSD_FULL_SIZE,
711 			     /*timeout*/ timeout ? timeout : 30 * 1000,
712 			     /*is48bit*/ 0,
713 			     /*devtype*/ devtype);
714 		if (retval != 0) {
715 			retval = -1;
716 			warnx("%s: build_ata_cmd() failed, likely "
717 			    "programmer error", __func__);
718 			goto bailout;
719 		}
720 		break;
721 	}
722 	default:
723 		warnx("Unknown disk type %d", devtype);
724 		retval = -1;
725 		goto bailout;
726 		break; /*NOTREACHED*/
727 	}
728 
729 	ccb->ccb_h.flags |= CAM_DEV_QFRZDIS;
730 
731 	retval = cam_send_ccb(dev, ccb);
732 	if (retval != 0) {
733 		warn("error sending %s CCB", (devtype == CC_DT_SCSI) ?
734 		     "Test Unit Ready" : "Identify");
735 		retval = -1;
736 		goto bailout;
737 	}
738 
739 	if (((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP)
740 	 && (vp->tur_status == FW_TUR_READY)) {
741 		warnx("Device is not ready");
742 		if (printerrors)
743 			cam_error_print(dev, ccb, CAM_ESF_ALL,
744 			    CAM_EPF_ALL, stderr);
745 		retval = 1;
746 		goto bailout;
747 	} else if (((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP)
748 		&& (vp->tur_status == FW_TUR_NOT_READY)) {
749 		warnx("Device cannot have media loaded when firmware is "
750 		    "downloaded");
751 		retval = 1;
752 		goto bailout;
753 	}
754 bailout:
755 	if (ccb != NULL)
756 		cam_freeccb(ccb);
757 
758 	return (retval);
759 }
760 
761 /*
762  * Download firmware stored in buf to cam_dev. If simulation mode
763  * is enabled, only show what packet sizes would be sent to the
764  * device but do not sent any actual packets
765  */
766 static int
767 fw_download_img(struct cam_device *cam_dev, struct fw_vendor *vp,
768     char *buf, int img_size, int sim_mode, int printerrors, int quiet,
769     int retry_count, int timeout, const char *imgname,
770     camcontrol_devtype devtype)
771 {
772 	struct scsi_write_buffer cdb;
773 	progress_t progress;
774 	int size = 0;
775 	union ccb *ccb = NULL;
776 	int pkt_count = 0;
777 	int max_pkt_size;
778 	u_int32_t pkt_size = 0;
779 	char *pkt_ptr = buf;
780 	u_int32_t offset;
781 	int last_pkt = 0;
782 	int retval = 0;
783 
784 	/*
785 	 * Check to see whether the device is ready to accept a firmware
786 	 * download.
787 	 */
788 	retval = fw_check_device_ready(cam_dev, devtype, vp, printerrors,
789 				       timeout);
790 	if (retval != 0)
791 		goto bailout;
792 
793 	if ((ccb = cam_getccb(cam_dev)) == NULL) {
794 		warnx("Could not allocate CCB");
795 		retval = 1;
796 		goto bailout;
797 	}
798 
799 	CCB_CLEAR_ALL_EXCEPT_HDR(ccb);
800 
801 	max_pkt_size = vp->max_pkt_size;
802 	if (max_pkt_size == 0)
803 		max_pkt_size = UNKNOWN_MAX_PKT_SIZE;
804 
805 	pkt_size = max_pkt_size;
806 	progress_init(&progress, imgname, size = img_size);
807 	/* Download single fw packets. */
808 	do {
809 		if (img_size <= max_pkt_size) {
810 			last_pkt = 1;
811 			pkt_size = img_size;
812 		}
813 		progress_update(&progress, size - img_size);
814 		if (((sim_mode == 0) && (quiet == 0))
815 		 || ((sim_mode != 0) && (printerrors == 0)))
816 			progress_draw(&progress);
817 		bzero(&cdb, sizeof(cdb));
818 		switch (devtype) {
819 		case CC_DT_SCSI:
820 			cdb.opcode  = WRITE_BUFFER;
821 			cdb.control = 0;
822 			/* Parameter list length. */
823 			scsi_ulto3b(pkt_size, &cdb.length[0]);
824 			offset = vp->inc_cdb_offset ? (pkt_ptr - buf) : 0;
825 			scsi_ulto3b(offset, &cdb.offset[0]);
826 			cdb.byte2 = last_pkt ? vp->cdb_byte2_last :
827 					       vp->cdb_byte2;
828 			cdb.buffer_id = vp->inc_cdb_buffer_id ? pkt_count : 0;
829 			/* Zero out payload of ccb union after ccb header. */
830 			CCB_CLEAR_ALL_EXCEPT_HDR(&ccb->csio);
831 			/*
832 			 * Copy previously constructed cdb into ccb_scsiio
833 			 * struct.
834 			 */
835 			bcopy(&cdb, &ccb->csio.cdb_io.cdb_bytes[0],
836 			    sizeof(struct scsi_write_buffer));
837 			/* Fill rest of ccb_scsiio struct. */
838 			cam_fill_csio(&ccb->csio,		/* ccb_scsiio*/
839 			    retry_count,			/* retries*/
840 			    NULL,				/* cbfcnp*/
841 			    CAM_DIR_OUT | CAM_DEV_QFRZDIS,	/* flags*/
842 			    CAM_TAG_ACTION_NONE,		/* tag_action*/
843 			    (u_char *)pkt_ptr,			/* data_ptr*/
844 			    pkt_size,				/* dxfer_len*/
845 			    SSD_FULL_SIZE,			/* sense_len*/
846 			    sizeof(struct scsi_write_buffer),	/* cdb_len*/
847 			    timeout ? timeout : WB_TIMEOUT);	/* timeout*/
848 			break;
849 		case CC_DT_ATA:
850 		case CC_DT_ATA_BEHIND_SCSI: {
851 			uint32_t	off;
852 
853 			off = (uint32_t)(pkt_ptr - buf);
854 
855 			retval = build_ata_cmd(ccb,
856 			    /*retry_count*/ retry_count,
857 			    /*flags*/ CAM_DIR_OUT | CAM_DEV_QFRZDIS,
858 			    /*tag_action*/ CAM_TAG_ACTION_NONE,
859 			    /*protocol*/ AP_PROTO_PIO_OUT,
860 			    /*ata_flags*/ AP_FLAG_BYT_BLOK_BYTES |
861 					  AP_FLAG_TLEN_SECT_CNT |
862 					  AP_FLAG_TDIR_TO_DEV,
863 			    /*features*/ USE_OFFSETS_FEATURE,
864 			    /*sector_count*/ ATA_MAKE_SECTORS(pkt_size),
865 			    /*lba*/ ATA_MAKE_LBA(off, pkt_size),
866 			    /*command*/ ATA_DOWNLOAD_MICROCODE,
867 			    /*auxiliary*/ 0,
868 			    /*data_ptr*/ (uint8_t *)pkt_ptr,
869 			    /*dxfer_len*/ pkt_size,
870 			    /*cdb_storage*/ NULL,
871 			    /*cdb_storage_len*/ 0,
872 			    /*sense_len*/ SSD_FULL_SIZE,
873 			    /*timeout*/ timeout ? timeout : WB_TIMEOUT,
874 			    /*is48bit*/ 0,
875 			    /*devtype*/ devtype);
876 
877 			if (retval != 0) {
878 				warnx("%s: build_ata_cmd() failed, likely "
879 				    "programmer error", __func__);
880 				goto bailout;
881 			}
882 			break;
883 		}
884 		default:
885 			warnx("Unknown device type %d", devtype);
886 			retval = 1;
887 			goto bailout;
888 			break; /*NOTREACHED*/
889 		}
890 		if (!sim_mode) {
891 			/* Execute the command. */
892 			if (cam_send_ccb(cam_dev, ccb) < 0 ||
893 			    (ccb->ccb_h.status & CAM_STATUS_MASK) !=
894 			    CAM_REQ_CMP) {
895 				warnx("Error writing image to device");
896 				if (printerrors)
897 					cam_error_print(cam_dev, ccb,
898 					    CAM_ESF_ALL, CAM_EPF_ALL, stderr);
899 				retval = 1;
900 				goto bailout;
901 			}
902 		} else if (printerrors) {
903 			cam_error_print(cam_dev, ccb, CAM_ESF_COMMAND, 0,
904 			    stdout);
905 		}
906 
907 		/* Prepare next round. */
908 		pkt_count++;
909 		pkt_ptr += pkt_size;
910 		img_size -= pkt_size;
911 	} while(!last_pkt);
912 bailout:
913 	if (quiet == 0)
914 		progress_complete(&progress, size - img_size);
915 	if (ccb != NULL)
916 		cam_freeccb(ccb);
917 	return (retval);
918 }
919 
920 int
921 fwdownload(struct cam_device *device, int argc, char **argv,
922     char *combinedopt, int printerrors, int retry_count, int timeout)
923 {
924 	struct fw_vendor *vp;
925 	char *fw_img_path = NULL;
926 	struct ata_params *ident_buf = NULL;
927 	camcontrol_devtype devtype;
928 	char *buf = NULL;
929 	int img_size;
930 	int c;
931 	int sim_mode = 0;
932 	int confirmed = 0;
933 	int quiet = 0;
934 	int retval = 0;
935 
936 	while ((c = getopt(argc, argv, combinedopt)) != -1) {
937 		switch (c) {
938 		case 'f':
939 			fw_img_path = optarg;
940 			break;
941 		case 'q':
942 			quiet = 1;
943 			break;
944 		case 's':
945 			sim_mode = 1;
946 			break;
947 		case 'y':
948 			confirmed = 1;
949 			break;
950 		default:
951 			break;
952 		}
953 	}
954 
955 	if (fw_img_path == NULL)
956 		errx(1, "you must specify a firmware image file using -f "
957 		     "option");
958 
959 	retval = get_device_type(device, retry_count, timeout, printerrors,
960 				 &devtype);
961 	if (retval != 0)
962 		errx(1, "Unable to determine device type");
963 
964 	if ((devtype == CC_DT_ATA)
965 	 || (devtype == CC_DT_ATA_BEHIND_SCSI)) {
966 		union ccb *ccb;
967 
968 		ccb = cam_getccb(device);
969 		if (ccb == NULL) {
970 			warnx("couldn't allocate CCB");
971 			retval = 1;
972 			goto bailout;
973 		}
974 
975 		if (ata_do_identify(device, retry_count, timeout, ccb,
976 		    		    &ident_buf) != 0) {
977 			cam_freeccb(ccb);
978 			retval = 1;
979 			goto bailout;
980 		}
981 	} else if (devtype != CC_DT_SCSI)
982 		errx(1, "Unsupported device type %d", devtype);
983 
984 	vp = fw_get_vendor(device, ident_buf);
985 	/*
986 	 * Bail out if we have an unknown vendor and this isn't an ATA
987 	 * disk.  For a SCSI disk, we have no chance of working properly
988 	 * with the default values in the VENDOR_UNKNOWN case.  For an ATA
989 	 * disk connected via an ATA transport, we may work for drives that
990 	 * support the ATA_DOWNLOAD_MICROCODE command.
991 	 */
992 	if (((vp == NULL)
993 	  || (vp->type == VENDOR_UNKNOWN))
994 	 && (devtype == CC_DT_SCSI))
995 		errx(1, "Unsupported device");
996 
997 	retval = fw_get_timeout(device, vp, retry_count, timeout);
998 	if (retval != 0) {
999 		warnx("Unable to get a firmware download timeout value");
1000 		goto bailout;
1001 	}
1002 
1003 	buf = fw_read_img(device, retry_count, timeout, quiet, fw_img_path,
1004 	    vp, &img_size);
1005 	if (buf == NULL) {
1006 		retval = 1;
1007 		goto bailout;
1008 	}
1009 
1010 	if (!confirmed) {
1011 		fprintf(stdout, "You are about to download firmware image (%s)"
1012 		    " into the following device:\n",
1013 		    fw_img_path);
1014 		if (devtype == CC_DT_SCSI) {
1015 			if (scsidoinquiry(device, argc, argv, combinedopt, 0,
1016 					  5000) != 0) {
1017 				warnx("Error sending inquiry");
1018 				retval = 1;
1019 				goto bailout;
1020 			}
1021 		} else {
1022 			printf("%s%d: ", device->device_name,
1023 			    device->dev_unit_num);
1024 			ata_print_ident(ident_buf);
1025 			camxferrate(device);
1026 			free(ident_buf);
1027 		}
1028 		fprintf(stdout, "Using a timeout of %u ms, which is %s.\n",
1029 			vp->timeout_ms,
1030 			fw_timeout_desc_table[vp->timeout_type].timeout_desc);
1031 		fprintf(stdout, "\nIt may damage your drive. ");
1032 		if (!get_confirmation()) {
1033 			retval = 1;
1034 			goto bailout;
1035 		}
1036 	}
1037 	if ((sim_mode != 0) && (quiet == 0))
1038 		fprintf(stdout, "Running in simulation mode\n");
1039 
1040 	if (fw_download_img(device, vp, buf, img_size, sim_mode, printerrors,
1041 	    quiet, retry_count, vp->timeout_ms, fw_img_path, devtype) != 0) {
1042 		fprintf(stderr, "Firmware download failed\n");
1043 		retval = 1;
1044 		goto bailout;
1045 	} else if (quiet == 0)
1046 		fprintf(stdout, "Firmware download successful\n");
1047 
1048 bailout:
1049 	free(buf);
1050 	return (retval);
1051 }
1052 
1053