fwdownload.c revision 251743
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: head/sbin/camcontrol/fwdownload.c 251743 2013-06-14 08:26:58Z mav $");
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	CMD_TIMEOUT 50000	/* 50 seconds */
72
73typedef enum {
74	VENDOR_HITACHI,
75	VENDOR_HP,
76	VENDOR_IBM,
77	VENDOR_PLEXTOR,
78	VENDOR_QUALSTAR,
79	VENDOR_QUANTUM,
80	VENDOR_SEAGATE,
81	VENDOR_UNKNOWN
82} fw_vendor_t;
83
84struct fw_vendor {
85	fw_vendor_t type;
86	const char *pattern;
87	int max_pkt_size;
88	u_int8_t cdb_byte2;
89	u_int8_t cdb_byte2_last;
90	int inc_cdb_buffer_id;
91	int inc_cdb_offset;
92};
93
94static const struct fw_vendor vendors_list[] = {
95	{VENDOR_HITACHI,	"HITACHI",	0x8000, 0x05, 0x05, 1, 0},
96	{VENDOR_HP,		"HP",		0x8000, 0x07, 0x07, 0, 1},
97	{VENDOR_IBM,		"IBM",		0x8000, 0x05, 0x05, 1, 0},
98	{VENDOR_PLEXTOR,	"PLEXTOR",	0x2000, 0x04, 0x05, 0, 1},
99	{VENDOR_QUALSTAR,	"QUALSTAR",	0x2030, 0x05, 0x05, 0, 0},
100	{VENDOR_QUANTUM,	"QUANTUM",	0x2000, 0x04, 0x05, 0, 1},
101	{VENDOR_SEAGATE,	"SEAGATE",	0x8000, 0x07, 0x07, 0, 1},
102	/* the next 2 are SATA disks going through SAS HBA */
103	{VENDOR_SEAGATE,	"ATA ST",	0x8000, 0x07, 0x07, 0, 1},
104	{VENDOR_HITACHI,	"ATA HDS",	0x8000, 0x05, 0x05, 1, 0},
105	{VENDOR_UNKNOWN,	NULL,		0x0000, 0x00, 0x00, 0, 0}
106};
107
108#ifndef ATA_DOWNLOAD_MICROCODE
109#define ATA_DOWNLOAD_MICROCODE	0x92
110#endif
111
112#define USE_OFFSETS_FEATURE	0x3
113
114#ifndef LOW_SECTOR_SIZE
115#define LOW_SECTOR_SIZE		512
116#endif
117
118#define ATA_MAKE_LBA(o, p)	\
119	((((((o) / LOW_SECTOR_SIZE) >> 8) & 0xff) << 16) | \
120	  ((((o) / LOW_SECTOR_SIZE) & 0xff) << 8) | \
121	  ((((p) / LOW_SECTOR_SIZE) >> 8) & 0xff))
122
123#define ATA_MAKE_SECTORS(p)	(((p) / 512) & 0xff)
124
125#ifndef UNKNOWN_MAX_PKT_SIZE
126#define UNKNOWN_MAX_PKT_SIZE	0x8000
127#endif
128
129static const struct fw_vendor *fw_get_vendor(struct cam_device *cam_dev);
130static char	*fw_read_img(const char *fw_img_path,
131		    const struct fw_vendor *vp, int *num_bytes);
132static int	 fw_download_img(struct cam_device *cam_dev,
133		    const struct fw_vendor *vp, char *buf, int img_size,
134		    int sim_mode, int printerrors, int retry_count, int timeout,
135		    const char */*name*/, const char */*type*/);
136
137/*
138 * Find entry in vendors list that belongs to
139 * the vendor of given cam device.
140 */
141static const struct fw_vendor *
142fw_get_vendor(struct cam_device *cam_dev)
143{
144	char vendor[SID_VENDOR_SIZE + 1];
145	const struct fw_vendor *vp;
146
147	if (cam_dev == NULL)
148		return (NULL);
149	cam_strvis((u_char *)vendor, (u_char *)cam_dev->inq_data.vendor,
150	    sizeof(cam_dev->inq_data.vendor), sizeof(vendor));
151	for (vp = vendors_list; vp->pattern != NULL; vp++) {
152		if (!cam_strmatch((const u_char *)vendor,
153		    (const u_char *)vp->pattern, strlen(vendor)))
154			break;
155	}
156	return (vp);
157}
158
159/*
160 * Allocate a buffer and read fw image file into it
161 * from given path. Number of bytes read is stored
162 * in num_bytes.
163 */
164static char *
165fw_read_img(const char *fw_img_path, const struct fw_vendor *vp, int *num_bytes)
166{
167	int fd;
168	struct stat stbuf;
169	char *buf;
170	off_t img_size;
171	int skip_bytes = 0;
172
173	if ((fd = open(fw_img_path, O_RDONLY)) < 0) {
174		warn("Could not open image file %s", fw_img_path);
175		return (NULL);
176	}
177	if (fstat(fd, &stbuf) < 0) {
178		warn("Could not stat image file %s", fw_img_path);
179		goto bailout1;
180	}
181	if ((img_size = stbuf.st_size) == 0) {
182		warnx("Zero length image file %s", fw_img_path);
183		goto bailout1;
184	}
185	if ((buf = malloc(img_size)) == NULL) {
186		warnx("Could not allocate buffer to read image file %s",
187		    fw_img_path);
188		goto bailout1;
189	}
190	/* Skip headers if applicable. */
191	switch (vp->type) {
192	case VENDOR_SEAGATE:
193		if (read(fd, buf, 16) != 16) {
194			warn("Could not read image file %s", fw_img_path);
195			goto bailout;
196		}
197		if (lseek(fd, 0, SEEK_SET) == -1) {
198			warn("Unable to lseek");
199			goto bailout;
200		}
201		if ((strncmp(buf, "SEAGATE,SEAGATE ", 16) == 0) ||
202		    (img_size % 512 == 80))
203			skip_bytes = 80;
204		break;
205	case VENDOR_QUALSTAR:
206		skip_bytes = img_size % 1030;
207		break;
208	default:
209		break;
210	}
211	if (skip_bytes != 0) {
212		fprintf(stdout, "Skipping %d byte header.\n", skip_bytes);
213		if (lseek(fd, skip_bytes, SEEK_SET) == -1) {
214			warn("Could not lseek");
215			goto bailout;
216		}
217		img_size -= skip_bytes;
218	}
219	/* Read image into a buffer. */
220	if (read(fd, buf, img_size) != img_size) {
221		warn("Could not read image file %s", fw_img_path);
222		goto bailout;
223	}
224	*num_bytes = img_size;
225	return (buf);
226bailout:
227	free(buf);
228bailout1:
229	close(fd);
230	*num_bytes = 0;
231	return (NULL);
232}
233
234/*
235 * Download firmware stored in buf to cam_dev. If simulation mode
236 * is enabled, only show what packet sizes would be sent to the
237 * device but do not sent any actual packets
238 */
239static int
240fw_download_img(struct cam_device *cam_dev, const struct fw_vendor *vp,
241    char *buf, int img_size, int sim_mode, int printerrors, int retry_count,
242    int timeout, const char *imgname, const char *type)
243{
244	struct scsi_write_buffer cdb;
245	progress_t progress;
246	int size;
247	union ccb *ccb;
248	int pkt_count = 0;
249	int max_pkt_size;
250	u_int32_t pkt_size = 0;
251	char *pkt_ptr = buf;
252	u_int32_t offset;
253	int last_pkt = 0;
254	int16_t *ptr;
255
256	if ((ccb = cam_getccb(cam_dev)) == NULL) {
257		warnx("Could not allocate CCB");
258		return (1);
259	}
260	if (strcmp(type, "scsi") == 0) {
261		scsi_test_unit_ready(&ccb->csio, 0, NULL, MSG_SIMPLE_Q_TAG,
262		    SSD_FULL_SIZE, 5000);
263	} else if (strcmp(type, "ata") == 0) {
264		/* cam_getccb cleans up the header, caller has to zero the payload */
265		bzero(&(&ccb->ccb_h)[1],
266		      sizeof(struct ccb_ataio) - sizeof(struct ccb_hdr));
267
268		ptr = (uint16_t *)malloc(sizeof(struct ata_params));
269
270		if (ptr == NULL) {
271			cam_freeccb(ccb);
272			warnx("can't malloc memory for identify\n");
273			return(1);
274		}
275		bzero(ptr, sizeof(struct ata_params));
276		cam_fill_ataio(&ccb->ataio,
277                      1,
278                      NULL,
279                      /*flags*/CAM_DIR_IN,
280                      MSG_SIMPLE_Q_TAG,
281                      /*data_ptr*/(uint8_t *)ptr,
282                      /*dxfer_len*/sizeof(struct ata_params),
283                      timeout ? timeout : 30 * 1000);
284		ata_28bit_cmd(&ccb->ataio, ATA_ATA_IDENTIFY, 0, 0, 0);
285	} else {
286		warnx("weird disk type '%s'", type);
287		return 1;
288	}
289	/* Disable freezing the device queue. */
290	ccb->ccb_h.flags |= CAM_DEV_QFRZDIS;
291	if (cam_send_ccb(cam_dev, ccb) < 0) {
292		warnx("Error sending identify/test unit ready");
293		if (printerrors)
294			cam_error_print(cam_dev, ccb, CAM_ESF_ALL,
295			    CAM_EPF_ALL, stderr);
296		cam_freeccb(ccb);
297		return(1);
298	}
299	if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
300		warnx("Device is not ready");
301		if (printerrors)
302			cam_error_print(cam_dev, ccb, CAM_ESF_ALL,
303			    CAM_EPF_ALL, stderr);
304		cam_freeccb(ccb);
305		return (1);
306	}
307	max_pkt_size = vp->max_pkt_size;
308	if (vp->max_pkt_size == 0 && strcmp(type, "ata") == 0) {
309		max_pkt_size = UNKNOWN_MAX_PKT_SIZE;
310	}
311	pkt_size = vp->max_pkt_size;
312	progress_init(&progress, imgname, size = img_size);
313	/* Download single fw packets. */
314	do {
315		if (img_size <= max_pkt_size) {
316			last_pkt = 1;
317			pkt_size = img_size;
318		}
319		progress_update(&progress, size - img_size);
320		progress_draw(&progress);
321		bzero(&cdb, sizeof(cdb));
322		if (strcmp(type, "scsi") == 0) {
323			cdb.opcode  = WRITE_BUFFER;
324			cdb.control = 0;
325			/* Parameter list length. */
326			scsi_ulto3b(pkt_size, &cdb.length[0]);
327			offset = vp->inc_cdb_offset ? (pkt_ptr - buf) : 0;
328			scsi_ulto3b(offset, &cdb.offset[0]);
329			cdb.byte2 = last_pkt ? vp->cdb_byte2_last : vp->cdb_byte2;
330			cdb.buffer_id = vp->inc_cdb_buffer_id ? pkt_count : 0;
331			/* Zero out payload of ccb union after ccb header. */
332			bzero((u_char *)ccb + sizeof(struct ccb_hdr),
333			    sizeof(struct ccb_scsiio) - sizeof(struct ccb_hdr));
334			/* Copy previously constructed cdb into ccb_scsiio struct. */
335			bcopy(&cdb, &ccb->csio.cdb_io.cdb_bytes[0],
336			    sizeof(struct scsi_write_buffer));
337			/* Fill rest of ccb_scsiio struct. */
338			if (!sim_mode) {
339				cam_fill_csio(&ccb->csio,		/* ccb_scsiio	*/
340				    retry_count,			/* retries	*/
341				    NULL,				/* cbfcnp	*/
342				    CAM_DIR_OUT | CAM_DEV_QFRZDIS,	/* flags	*/
343				    CAM_TAG_ACTION_NONE,		/* tag_action	*/
344				    (u_char *)pkt_ptr,			/* data_ptr	*/
345				    pkt_size,				/* dxfer_len	*/
346				    SSD_FULL_SIZE,			/* sense_len	*/
347				    sizeof(struct scsi_write_buffer),	/* cdb_len	*/
348				    timeout ? timeout : CMD_TIMEOUT);	/* timeout	*/
349			}
350		} else if (strcmp(type, "ata") == 0) {
351			bzero(&(&ccb->ccb_h)[1],
352			      sizeof(struct ccb_ataio) - sizeof(struct ccb_hdr));
353			if (!sim_mode) {
354				uint32_t	off;
355
356				cam_fill_ataio(&ccb->ataio,
357					(last_pkt) ? 256 : retry_count,
358					NULL,
359					/*flags*/CAM_DIR_OUT | CAM_DEV_QFRZDIS,
360					CAM_TAG_ACTION_NONE,
361					/*data_ptr*/(uint8_t *)pkt_ptr,
362					/*dxfer_len*/pkt_size,
363					timeout ? timeout : 30 * 1000);
364				off = (uint32_t)(pkt_ptr - buf);
365				ata_28bit_cmd(&ccb->ataio, ATA_DOWNLOAD_MICROCODE,
366					USE_OFFSETS_FEATURE,
367					ATA_MAKE_LBA(off, pkt_size),
368					ATA_MAKE_SECTORS(pkt_size));
369			}
370		}
371		if (!sim_mode) {
372			/* Execute the command. */
373			if (cam_send_ccb(cam_dev, ccb) < 0 ||
374			    (ccb->ccb_h.status & CAM_STATUS_MASK) !=
375			    CAM_REQ_CMP) {
376				warnx("Error writing image to device");
377				if (printerrors)
378					cam_error_print(cam_dev, ccb, CAM_ESF_ALL,
379						   CAM_EPF_ALL, stderr);
380				goto bailout;
381			}
382		}
383		/* Prepare next round. */
384		pkt_count++;
385		pkt_ptr += pkt_size;
386		img_size -= pkt_size;
387	} while(!last_pkt);
388	progress_complete(&progress, size - img_size);
389	cam_freeccb(ccb);
390	return (0);
391bailout:
392	progress_complete(&progress, size - img_size);
393	cam_freeccb(ccb);
394	return (1);
395}
396
397int
398fwdownload(struct cam_device *device, int argc, char **argv,
399    char *combinedopt, int printerrors, int retry_count, int timeout,
400    const char *type)
401{
402	const struct fw_vendor *vp;
403	char *fw_img_path = NULL;
404	char *buf;
405	int img_size;
406	int c;
407	int sim_mode = 0;
408	int confirmed = 0;
409
410	while ((c = getopt(argc, argv, combinedopt)) != -1) {
411		switch (c) {
412		case 's':
413			sim_mode = 1;
414			confirmed = 1;
415			break;
416		case 'f':
417			fw_img_path = optarg;
418			break;
419		case 'y':
420			confirmed = 1;
421			break;
422		default:
423			break;
424		}
425	}
426
427	if (fw_img_path == NULL)
428		errx(1, "you must specify a firmware image file using -f option");
429
430	vp = fw_get_vendor(device);
431	if (vp == NULL)
432		errx(1, "NULL vendor");
433	if (vp->type == VENDOR_UNKNOWN)
434		warnx("Unsupported device - flashing through an HBA?");
435
436	buf = fw_read_img(fw_img_path, vp, &img_size);
437	if (buf == NULL)
438		goto fail;
439
440	if (!confirmed) {
441		fprintf(stdout, "You are about to download firmware image (%s)"
442		    " into the following device:\n",
443		    fw_img_path);
444		fprintf(stdout, "\nIt may damage your drive. ");
445		if (!get_confirmation())
446			goto fail;
447	}
448	if (sim_mode)
449		fprintf(stdout, "Running in simulation mode\n");
450
451	if (fw_download_img(device, vp, buf, img_size, sim_mode, printerrors,
452	    retry_count, timeout, fw_img_path, type) != 0) {
453		fprintf(stderr, "Firmware download failed\n");
454		goto fail;
455	}
456	else
457		fprintf(stdout, "Firmware download successful\n");
458
459	free(buf);
460	return (0);
461fail:
462	if (buf != NULL)
463		free(buf);
464	return (1);
465}
466
467