1 /* vi: set sw=4 ts=4: */
3 * hdparm implementation for busybox
5 * Copyright (C) [2003] by [Matteo Croce] <3297627799@wind.it>
6 * Hacked by Tito <farmatito@tiscali.it> for size optimization.
8 * Licensed under the GPL v2 or later, see the file LICENSE in this tarball.
10 * This program is based on the source code of hdparm: see below...
11 * hdparm.c - Command line interface to get/set hard disk parameters
12 * - by Mark Lord (C) 1994-2002 -- freely distributable
16 #include <linux/hdreg.h>
21 #define ATA_DEV 0x0000
22 #define ATAPI_DEV 0x0001
24 /* word definitions */
25 /* ---------------- */
26 #define GEN_CONFIG 0 /* general configuration */
27 #define LCYLS 1 /* number of logical cylinders */
28 #define CONFIG 2 /* specific configuration */
29 #define LHEADS 3 /* number of logical heads */
30 #define TRACK_BYTES 4 /* number of bytes/track (ATA-1) */
31 #define SECT_BYTES 5 /* number of bytes/sector (ATA-1) */
32 #define LSECTS 6 /* number of logical sectors/track */
33 #define START_SERIAL 10 /* ASCII serial number */
34 #define LENGTH_SERIAL 10 /* 10 words (20 bytes or characters) */
35 #define BUF_TYPE 20 /* buffer type (ATA-1) */
36 #define BUFFER__SIZE 21 /* buffer size (ATA-1) */
37 #define RW_LONG 22 /* extra bytes in R/W LONG cmd ( < ATA-4)*/
38 #define START_FW_REV 23 /* ASCII firmware revision */
39 #define LENGTH_FW_REV 4 /* 4 words (8 bytes or characters) */
40 #define START_MODEL 27 /* ASCII model number */
41 #define LENGTH_MODEL 20 /* 20 words (40 bytes or characters) */
42 #define SECTOR_XFER_MAX 47 /* r/w multiple: max sectors xfered */
43 #define DWORD_IO 48 /* can do double-word IO (ATA-1 only) */
44 #define CAPAB_0 49 /* capabilities */
46 #define PIO_MODE 51 /* max PIO mode supported (obsolete)*/
47 #define DMA_MODE 52 /* max Singleword DMA mode supported (obs)*/
48 #define WHATS_VALID 53 /* what fields are valid */
49 #define LCYLS_CUR 54 /* current logical cylinders */
50 #define LHEADS_CUR 55 /* current logical heads */
51 #define LSECTS_CUR 56 /* current logical sectors/track */
52 #define CAPACITY_LSB 57 /* current capacity in sectors */
53 #define CAPACITY_MSB 58
54 #define SECTOR_XFER_CUR 59 /* r/w multiple: current sectors xfered */
55 #define LBA_SECTS_LSB 60 /* LBA: total number of user */
56 #define LBA_SECTS_MSB 61 /* addressable sectors */
57 #define SINGLE_DMA 62 /* singleword DMA modes */
58 #define MULTI_DMA 63 /* multiword DMA modes */
59 #define ADV_PIO_MODES 64 /* advanced PIO modes supported */
60 /* multiword DMA xfer cycle time: */
61 #define DMA_TIME_MIN 65 /* - minimum */
62 #define DMA_TIME_NORM 66 /* - manufacturer's recommended */
63 /* minimum PIO xfer cycle time: */
64 #define PIO_NO_FLOW 67 /* - without flow control */
65 #define PIO_FLOW 68 /* - with IORDY flow control */
66 #define PKT_REL 71 /* typical #ns from PKT cmd to bus rel */
67 #define SVC_NBSY 72 /* typical #ns from SERVICE cmd to !BSY */
68 #define CDR_MAJOR 73 /* CD ROM: major version number */
69 #define CDR_MINOR 74 /* CD ROM: minor version number */
70 #define QUEUE_DEPTH 75 /* queue depth */
71 #define MAJOR 80 /* major version number */
72 #define MINOR 81 /* minor version number */
73 #define CMDS_SUPP_0 82 /* command/feature set(s) supported */
74 #define CMDS_SUPP_1 83
75 #define CMDS_SUPP_2 84
76 #define CMDS_EN_0 85 /* command/feature set(s) enabled */
79 #define ULTRA_DMA 88 /* ultra DMA modes */
80 /* time to complete security erase */
81 #define ERASE_TIME 89 /* - ordinary */
82 #define ENH_ERASE_TIME 90 /* - enhanced */
83 #define ADV_PWR 91 /* current advanced power management level
84 in low byte, 0x40 in high byte. */
85 #define PSWD_CODE 92 /* master password revision code */
86 #define HWRST_RSLT 93 /* hardware reset result */
87 #define ACOUSTIC 94 /* acoustic mgmt values ( >= ATA-6) */
88 #define LBA_LSB 100 /* LBA: maximum. Currently only 48 */
89 #define LBA_MID 101 /* bits are used, but addr 103 */
90 #define LBA_48_MSB 102 /* has been reserved for LBA in */
91 #define LBA_64_MSB 103 /* the future. */
92 #define RM_STAT 127 /* removable media status notification feature set support */
93 #define SECU_STATUS 128 /* security status */
94 #define CFA_PWR_MODE 160 /* CFA power mode 1 */
95 #define START_MEDIA 176 /* media serial number */
96 #define LENGTH_MEDIA 20 /* 20 words (40 bytes or characters)*/
97 #define START_MANUF 196 /* media manufacturer I.D. */
98 #define LENGTH_MANUF 10 /* 10 words (20 bytes or characters) */
99 #define INTEGRITY 255 /* integrity word */
101 /* bit definitions within the words */
102 /* -------------------------------- */
104 /* many words are considered valid if bit 15 is 0 and bit 14 is 1 */
106 #define VALID_VAL 0x4000
107 /* many words are considered invalid if they are either all-0 or all-1 */
108 #define NOVAL_0 0x0000
109 #define NOVAL_1 0xffff
111 /* word 0: gen_config */
112 #define NOT_ATA 0x8000
113 #define NOT_ATAPI 0x4000 /* (check only if bit 15 == 1) */
114 #define MEDIA_REMOVABLE 0x0080
115 #define DRIVE_NOT_REMOVABLE 0x0040 /* bit obsoleted in ATA 6 */
116 #define INCOMPLETE 0x0004
117 #define CFA_SUPPORT_VAL 0x848a /* 848a=CFA feature set support */
118 #define DRQ_RESPONSE_TIME 0x0060
119 #define DRQ_3MS_VAL 0x0000
120 #define DRQ_INTR_VAL 0x0020
121 #define DRQ_50US_VAL 0x0040
122 #define PKT_SIZE_SUPPORTED 0x0003
123 #define PKT_SIZE_12_VAL 0x0000
124 #define PKT_SIZE_16_VAL 0x0001
125 #define EQPT_TYPE 0x1f00
130 #if ENABLE_FEATURE_HDPARM_GET_IDENTITY
131 static const char * const pkt_str[] = {
132 "Direct-access device", /* word 0, bits 12-8 = 00 */
133 "Sequential-access device", /* word 0, bits 12-8 = 01 */
134 "Printer", /* word 0, bits 12-8 = 02 */
135 "Processor", /* word 0, bits 12-8 = 03 */
136 "Write-once device", /* word 0, bits 12-8 = 04 */
137 "CD-ROM", /* word 0, bits 12-8 = 05 */
138 "Scanner", /* word 0, bits 12-8 = 06 */
139 "Optical memory", /* word 0, bits 12-8 = 07 */
140 "Medium changer", /* word 0, bits 12-8 = 08 */
141 "Communications device", /* word 0, bits 12-8 = 09 */
142 "ACS-IT8 device", /* word 0, bits 12-8 = 0a */
143 "ACS-IT8 device", /* word 0, bits 12-8 = 0b */
144 "Array controller", /* word 0, bits 12-8 = 0c */
145 "Enclosure services", /* word 0, bits 12-8 = 0d */
146 "Reduced block command device", /* word 0, bits 12-8 = 0e */
147 "Optical card reader/writer", /* word 0, bits 12-8 = 0f */
148 "", /* word 0, bits 12-8 = 10 */
149 "", /* word 0, bits 12-8 = 11 */
150 "", /* word 0, bits 12-8 = 12 */
151 "", /* word 0, bits 12-8 = 13 */
152 "", /* word 0, bits 12-8 = 14 */
153 "", /* word 0, bits 12-8 = 15 */
154 "", /* word 0, bits 12-8 = 16 */
155 "", /* word 0, bits 12-8 = 17 */
156 "", /* word 0, bits 12-8 = 18 */
157 "", /* word 0, bits 12-8 = 19 */
158 "", /* word 0, bits 12-8 = 1a */
159 "", /* word 0, bits 12-8 = 1b */
160 "", /* word 0, bits 12-8 = 1c */
161 "", /* word 0, bits 12-8 = 1d */
162 "", /* word 0, bits 12-8 = 1e */
163 "Unknown", /* word 0, bits 12-8 = 1f */
166 static const char * const ata1_cfg_str[] = { /* word 0 in ATA-1 mode */
167 "Reserved", /* bit 0 */
168 "hard sectored", /* bit 1 */
169 "soft sectored", /* bit 2 */
170 "not MFM encoded ", /* bit 3 */
171 "head switch time > 15us", /* bit 4 */
172 "spindle motor control option", /* bit 5 */
173 "fixed drive", /* bit 6 */
174 "removable drive", /* bit 7 */
175 "disk xfer rate <= 5Mbs", /* bit 8 */
176 "disk xfer rate > 5Mbs, <= 10Mbs", /* bit 9 */
177 "disk xfer rate > 5Mbs", /* bit 10 */
178 "rotational speed tol.", /* bit 11 */
179 "data strobe offset option", /* bit 12 */
180 "track offset option", /* bit 13 */
181 "format speed tolerance gap reqd", /* bit 14 */
186 /* word 1: number of logical cylinders */
187 #define LCYLS_MAX 0x3fff /* maximum allowable value */
189 /* word 2: specific configuration
190 * (a) require SET FEATURES to spin-up
191 * (b) require spin-up to fully reply to IDENTIFY DEVICE
193 #define STBY_NID_VAL 0x37c8 /* (a) and (b) */
194 #define STBY_ID_VAL 0x738c /* (a) and not (b) */
195 #define PWRD_NID_VAL 0x8c73 /* not (a) and (b) */
196 #define PWRD_ID_VAL 0xc837 /* not (a) and not (b) */
198 /* words 47 & 59: sector_xfer_max & sector_xfer_cur */
199 #define SECTOR_XFER 0x00ff /* sectors xfered on r/w multiple cmds*/
200 #define MULTIPLE_SETTING_VALID 0x0100 /* 1=multiple sector setting is valid */
202 /* word 49: capabilities 0 */
203 #define STD_STBY 0x2000 /* 1=standard values supported (ATA);
204 0=vendor specific values */
205 #define IORDY_SUP 0x0800 /* 1=support; 0=may be supported */
206 #define IORDY_OFF 0x0400 /* 1=may be disabled */
207 #define LBA_SUP 0x0200 /* 1=Logical Block Address support */
208 #define DMA_SUP 0x0100 /* 1=Direct Memory Access support */
209 #define DMA_IL_SUP 0x8000 /* 1=interleaved DMA support (ATAPI) */
210 #define CMD_Q_SUP 0x4000 /* 1=command queuing support (ATAPI) */
211 #define OVLP_SUP 0x2000 /* 1=overlap operation support (ATAPI) */
212 #define SWRST_REQ 0x1000 /* 1=ATA SW reset required (ATAPI, obsolete */
214 /* word 50: capabilities 1 */
215 #define MIN_STANDBY_TIMER 0x0001 /* 1=device specific standby timer value minimum */
217 /* words 51 & 52: PIO & DMA cycle times */
218 #define MODE 0xff00 /* the mode is in the MSBs */
220 /* word 53: whats_valid */
221 #define OK_W88 0x0004 /* the ultra_dma info is valid */
222 #define OK_W64_70 0x0002 /* see above for word descriptions */
223 #define OK_W54_58 0x0001 /* current cyl, head, sector, cap. info valid */
225 /*word 63,88: dma_mode, ultra_dma_mode*/
226 #define MODE_MAX 7 /* bit definitions force udma <=7 (when
227 * udma >=8 comes out it'll have to be
228 * defined in a new dma_mode word!) */
230 /* word 64: PIO transfer modes */
231 #define PIO_SUP 0x00ff /* only bits 0 & 1 are used so far, */
232 #define PIO_MODE_MAX 8 /* but all 8 bits are defined */
234 /* word 75: queue_depth */
235 #define DEPTH_BITS 0x001f /* bits used for queue depth */
237 /* words 80-81: version numbers */
238 /* NOVAL_0 or NOVAL_1 means device does not report version */
240 /* word 81: minor version number */
241 #define MINOR_MAX 0x22
242 #if ENABLE_FEATURE_HDPARM_GET_IDENTITY
243 static const char *minor_str[MINOR_MAX+2] = { /* word 81 value: */
244 "Unspecified", /* 0x0000 */
245 "ATA-1 X3T9.2 781D prior to rev.4", /* 0x0001 */
246 "ATA-1 published, ANSI X3.221-1994", /* 0x0002 */
247 "ATA-1 X3T9.2 781D rev.4", /* 0x0003 */
248 "ATA-2 published, ANSI X3.279-1996", /* 0x0004 */
249 "ATA-2 X3T10 948D prior to rev.2k", /* 0x0005 */
250 "ATA-3 X3T10 2008D rev.1", /* 0x0006 */
251 "ATA-2 X3T10 948D rev.2k", /* 0x0007 */
252 "ATA-3 X3T10 2008D rev.0", /* 0x0008 */
253 "ATA-2 X3T10 948D rev.3", /* 0x0009 */
254 "ATA-3 published, ANSI X3.298-199x", /* 0x000a */
255 "ATA-3 X3T10 2008D rev.6", /* 0x000b */
256 "ATA-3 X3T13 2008D rev.7 and 7a", /* 0x000c */
257 "ATA/ATAPI-4 X3T13 1153D rev.6", /* 0x000d */
258 "ATA/ATAPI-4 T13 1153D rev.13", /* 0x000e */
259 "ATA/ATAPI-4 X3T13 1153D rev.7", /* 0x000f */
260 "ATA/ATAPI-4 T13 1153D rev.18", /* 0x0010 */
261 "ATA/ATAPI-4 T13 1153D rev.15", /* 0x0011 */
262 "ATA/ATAPI-4 published, ANSI INCITS 317-1998", /* 0x0012 */
263 "ATA/ATAPI-5 T13 1321D rev.3",
264 "ATA/ATAPI-4 T13 1153D rev.14", /* 0x0014 */
265 "ATA/ATAPI-5 T13 1321D rev.1", /* 0x0015 */
266 "ATA/ATAPI-5 published, ANSI INCITS 340-2000", /* 0x0016 */
267 "ATA/ATAPI-4 T13 1153D rev.17", /* 0x0017 */
268 "ATA/ATAPI-6 T13 1410D rev.0", /* 0x0018 */
269 "ATA/ATAPI-6 T13 1410D rev.3a", /* 0x0019 */
270 "ATA/ATAPI-7 T13 1532D rev.1", /* 0x001a */
271 "ATA/ATAPI-6 T13 1410D rev.2", /* 0x001b */
272 "ATA/ATAPI-6 T13 1410D rev.1", /* 0x001c */
273 "ATA/ATAPI-7 published, ANSI INCITS 397-2005", /* 0x001d */
274 "ATA/ATAPI-7 T13 1532D rev.0", /* 0x001e */
275 "Reserved" /* 0x001f */
276 "Reserved" /* 0x0020 */
277 "ATA/ATAPI-7 T13 1532D rev.4a", /* 0x0021 */
278 "ATA/ATAPI-6 published, ANSI INCITS 361-2002", /* 0x0022 */
279 "Reserved" /* 0x0023-0xfffe*/
282 static const char actual_ver[MINOR_MAX+2] = {
284 0, /* 0x0000 WARNING: */
285 1, /* 0x0001 WARNING: */
286 1, /* 0x0002 WARNING: */
287 1, /* 0x0003 WARNING: */
288 2, /* 0x0004 WARNING: This array */
289 2, /* 0x0005 WARNING: corresponds */
290 3, /* 0x0006 WARNING: *exactly* */
291 2, /* 0x0007 WARNING: to the ATA/ */
292 3, /* 0x0008 WARNING: ATAPI version */
293 2, /* 0x0009 WARNING: listed in */
294 3, /* 0x000a WARNING: the */
295 3, /* 0x000b WARNING: minor_str */
296 3, /* 0x000c WARNING: array */
297 4, /* 0x000d WARNING: above. */
298 4, /* 0x000e WARNING: */
299 4, /* 0x000f WARNING: if you change */
300 4, /* 0x0010 WARNING: that one, */
301 4, /* 0x0011 WARNING: change this one */
302 4, /* 0x0012 WARNING: too!!! */
303 5, /* 0x0013 WARNING: */
304 4, /* 0x0014 WARNING: */
305 5, /* 0x0015 WARNING: */
306 5, /* 0x0016 WARNING: */
307 4, /* 0x0017 WARNING: */
308 6, /* 0x0018 WARNING: */
309 6, /* 0x0019 WARNING: */
310 7, /* 0x001a WARNING: */
311 6, /* 0x001b WARNING: */
312 6, /* 0x001c WARNING: */
313 7, /* 0x001d WARNING: */
314 7, /* 0x001e WARNING: */
315 0, /* 0x001f WARNING: */
316 0, /* 0x0020 WARNING: */
317 7, /* 0x0021 WARNING: */
318 6, /* 0x0022 WARNING: */
319 0 /* 0x0023-0xfffe */
322 /* words 82-84: cmds/feats supported */
323 #define CMDS_W82 0x77ff /* word 82: defined command locations*/
324 #define CMDS_W83 0x3fff /* word 83: defined command locations*/
325 #define CMDS_W84 0x002f /* word 83: defined command locations*/
326 #define SUPPORT_48_BIT 0x0400
327 #define NUM_CMD_FEAT_STR 48
329 #if ENABLE_FEATURE_HDPARM_GET_IDENTITY
330 static const char * const cmd_feat_str[] = {
331 "", /* word 82 bit 15: obsolete */
332 "NOP cmd", /* word 82 bit 14 */
333 "READ BUFFER cmd", /* word 82 bit 13 */
334 "WRITE BUFFER cmd", /* word 82 bit 12 */
335 "", /* word 82 bit 11: obsolete */
336 "Host Protected Area feature set", /* word 82 bit 10 */
337 "DEVICE RESET cmd", /* word 82 bit 9 */
338 "SERVICE interrupt", /* word 82 bit 8 */
339 "Release interrupt", /* word 82 bit 7 */
340 "Look-ahead", /* word 82 bit 6 */
341 "Write cache", /* word 82 bit 5 */
342 "PACKET command feature set", /* word 82 bit 4 */
343 "Power Management feature set", /* word 82 bit 3 */
344 "Removable Media feature set", /* word 82 bit 2 */
345 "Security Mode feature set", /* word 82 bit 1 */
346 "SMART feature set", /* word 82 bit 0 */
348 "", /* word 83 bit 15: !valid bit */
349 "", /* word 83 bit 14: valid bit */
350 "FLUSH CACHE EXT cmd", /* word 83 bit 13 */
351 "Mandatory FLUSH CACHE cmd ", /* word 83 bit 12 */
352 "Device Configuration Overlay feature set ",
353 "48-bit Address feature set ", /* word 83 bit 10 */
355 "SET MAX security extension", /* word 83 bit 8 */
356 "Address Offset Reserved Area Boot", /* word 83 bit 7 */
357 "SET FEATURES subcommand required to spinup after power up",
358 "Power-Up In Standby feature set", /* word 83 bit 5 */
359 "Removable Media Status Notification feature set",
360 "Adv. Power Management feature set",/* word 83 bit 3 */
361 "CFA feature set", /* word 83 bit 2 */
362 "READ/WRITE DMA QUEUED", /* word 83 bit 1 */
363 "DOWNLOAD MICROCODE cmd", /* word 83 bit 0 */
365 "", /* word 84 bit 15: !valid bit */
366 "", /* word 84 bit 14: valid bit */
367 "", /* word 84 bit 13: reserved */
368 "", /* word 84 bit 12: reserved */
369 "", /* word 84 bit 11: reserved */
370 "", /* word 84 bit 10: reserved */
371 "", /* word 84 bit 9: reserved */
372 "", /* word 84 bit 8: reserved */
373 "", /* word 84 bit 7: reserved */
374 "", /* word 84 bit 6: reserved */
375 "General Purpose Logging feature set", /* word 84 bit 5 */
376 "", /* word 84 bit 4: reserved */
377 "Media Card Pass Through Command feature set ",
378 "Media serial number ", /* word 84 bit 2 */
379 "SMART self-test ", /* word 84 bit 1 */
380 "SMART error logging " /* word 84 bit 0 */
383 static void identify(uint16_t *id_supplied) ATTRIBUTE_NORETURN;
384 static void identify_from_stdin(void) ATTRIBUTE_NORETURN;
386 void identify_from_stdin(void);
390 /* words 85-87: cmds/feats enabled */
391 /* use cmd_feat_str[] to display what commands and features have
392 * been enabled with words 85-87
395 /* words 89, 90, SECU ERASE TIME */
396 #define ERASE_BITS 0x00ff
398 /* word 92: master password revision */
399 /* NOVAL_0 or NOVAL_1 means no support for master password revision */
401 /* word 93: hw reset result */
402 #define CBLID 0x2000 /* CBLID status */
403 #define RST0 0x0001 /* 1=reset to device #0 */
404 #define DEV_DET 0x0006 /* how device num determined */
405 #define JUMPER_VAL 0x0002 /* device num determined by jumper */
406 #define CSEL_VAL 0x0004 /* device num determined by CSEL_VAL */
408 /* word 127: removable media status notification feature set support */
409 #define RM_STAT_BITS 0x0003
410 #define RM_STAT_SUP 0x0001
412 /* word 128: security */
413 #define SECU_ENABLED 0x0002
414 #define SECU_LEVEL 0x0010
415 #define NUM_SECU_STR 6
416 #if ENABLE_FEATURE_HDPARM_GET_IDENTITY
417 static const char * const secu_str[] = {
418 "supported", /* word 128, bit 0 */
419 "enabled", /* word 128, bit 1 */
420 "locked", /* word 128, bit 2 */
421 "frozen", /* word 128, bit 3 */
422 "expired: security count", /* word 128, bit 4 */
423 "supported: enhanced erase" /* word 128, bit 5 */
427 /* word 160: CFA power mode */
428 #define VALID_W160 0x8000 /* 1=word valid */
429 #define PWR_MODE_REQ 0x2000 /* 1=CFA power mode req'd by some cmds*/
430 #define PWR_MODE_OFF 0x1000 /* 1=CFA power moded disabled */
431 #define MAX_AMPS 0x0fff /* value = max current in ma */
433 /* word 255: integrity */
434 #define SIG 0x00ff /* signature location */
435 #define SIG_VAL 0x00A5 /* signature value */
438 #define TIMING_BUF_MB 1
439 #define TIMING_BUF_BYTES (TIMING_BUF_MB * 1024 * 1024)
440 #define TIMING_BUF_COUNT (timing_MB / TIMING_BUF_MB)
441 #define BUFCACHE_FACTOR 2
443 #undef DO_FLUSHCACHE /* under construction: force cache flush on -W0 */
445 /* Busybox messages and functions */
446 static int bb_ioctl(int fd, int request, void *argp, const char *string)
448 int e = ioctl(fd, request, argp);
450 bb_perror_msg(" %s", string);
454 static int bb_ioctl_alt(int fd, int cmd, unsigned char *args, int alt, const char *string)
456 if (!ioctl(fd, cmd, args))
459 return bb_ioctl(fd, cmd, args, string);
462 static void on_off(int value)
464 printf(value ? " (on)\n" : " (off)\n");
467 static void print_flag_on_off(int get_arg, const char *s, unsigned long arg)
470 printf(" setting %s to %ld", s, arg);
475 static void bb_ioctl_on_off(int fd, int request, void *argp, const char *string,
478 if (ioctl(fd, request, &argp) != 0)
479 bb_perror_msg(" %s", string);
481 printf(" %s\t= %2ld", str, (unsigned long) argp);
482 on_off(((unsigned long) argp) != 0);
486 #if ENABLE_FEATURE_HDPARM_GET_IDENTITY
487 static void print_ascii(uint16_t *p, uint8_t length);
489 static void xprint_ascii(uint16_t *val, int i, const char *string, int n)
492 printf("\t%-20s", string);
493 print_ascii(&val[i], n);
497 /* end of busybox specific stuff */
499 #if ENABLE_FEATURE_HDPARM_GET_IDENTITY
500 static uint8_t mode_loop(uint16_t mode_sup, uint16_t mode_sel, int cc, uint8_t *have_mode)
505 for (ii = 0; ii <= MODE_MAX; ii++) {
506 if (mode_sel & 0x0001) {
507 printf("*%cdma%u ", cc, ii);
511 } else if (mode_sup & 0x0001)
512 printf("%cdma%u ", cc, ii);
520 static void print_ascii(uint16_t *p, uint8_t length)
525 /* find first non-space & print it */
526 for (ii = 0; ii < length; ii++) {
527 if ((char)((*p)>>8) != ' ')
540 for (; ii< length; ii++) {
542 break; /* some older devices have NULLs */
543 printf("%c%c", (char)((*p)>>8), (char)(*p));
549 // Parse 512 byte disk identification block and print much crap.
551 static void identify(uint16_t *id_supplied)
554 uint16_t *val, ii, jj, kk;
555 uint16_t like_std = 1, std = 0, min_std = 0xffff;
556 uint16_t dev = NO_DEV, eqpt = NO_DEV;
557 uint8_t have_mode = 0, err_dma = 0;
559 uint32_t ll, mm, nn, oo;
560 uint64_t bbbig; /* (:) */
563 // Adjust for endianness if necessary.
566 swab(id_supplied, buf, sizeof(buf));
573 /* check if we recognise the device type */
575 if (!(val[GEN_CONFIG] & NOT_ATA)) {
577 printf("ATA device, with ");
578 } else if (val[GEN_CONFIG]==CFA_SUPPORT_VAL) {
581 printf("CompactFlash ATA device, with ");
582 } else if (!(val[GEN_CONFIG] & NOT_ATAPI)) {
584 eqpt = (val[GEN_CONFIG] & EQPT_TYPE) >> SHIFT_EQPT;
585 printf("ATAPI %s, with ", pkt_str[eqpt]);
588 /*"Unknown device type:\n\tbits 15&14 of general configuration word 0 both set to 1.\n"*/
589 bb_error_msg_and_die("unknown device type");
591 printf("%sremovable media\n", !(val[GEN_CONFIG] & MEDIA_REMOVABLE) ? "non-" : "");
592 /* Info from the specific configuration word says whether or not the
593 * ID command completed correctly. It is only defined, however in
594 * ATA/ATAPI-5 & 6; it is reserved (value theoretically 0) in prior
595 * standards. Since the values allowed for this word are extremely
596 * specific, it should be safe to check it now, even though we don't
597 * know yet what standard this device is using.
599 if ((val[CONFIG]==STBY_NID_VAL) || (val[CONFIG]==STBY_ID_VAL)
600 || (val[CONFIG]==PWRD_NID_VAL) || (val[CONFIG]==PWRD_ID_VAL)
603 if ((val[CONFIG]==STBY_NID_VAL) || (val[CONFIG]==STBY_ID_VAL))
604 printf("powers-up in standby; SET FEATURES subcmd spins-up.\n");
605 if (((val[CONFIG]==STBY_NID_VAL) || (val[CONFIG]==PWRD_NID_VAL)) && (val[GEN_CONFIG] & INCOMPLETE))
606 printf("\n\tWARNING: ID response incomplete.\n\tFollowing data may be incorrect.\n\n");
609 /* output the model and serial numbers and the fw revision */
610 xprint_ascii(val, START_MODEL, "Model Number:", LENGTH_MODEL);
611 xprint_ascii(val, START_SERIAL, "Serial Number:", LENGTH_SERIAL);
612 xprint_ascii(val, START_FW_REV, "Firmware Revision:", LENGTH_FW_REV);
613 xprint_ascii(val, START_MEDIA, "Media Serial Num:", LENGTH_MEDIA);
614 xprint_ascii(val, START_MANUF, "Media Manufacturer:", LENGTH_MANUF);
616 /* major & minor standards version number (Note: these words were not
617 * defined until ATA-3 & the CDROM std uses different words.) */
618 printf("Standards:");
620 if (val[MINOR] && (val[MINOR] <= MINOR_MAX)) {
621 if (like_std < 3) like_std = 3;
622 std = actual_ver[val[MINOR]];
623 if (std) printf("\n\tUsed: %s ", minor_str[val[MINOR]]);
626 /* looks like when they up-issue the std, they obsolete one;
627 * thus, only the newest 4 issues need be supported. (That's
628 * what "kk" and "min_std" are all about.) */
629 if (val[MAJOR] && (val[MAJOR] != NOVAL_1)) {
630 printf("\n\tSupported: ");
631 jj = val[MAJOR] << 1;
632 kk = like_std >4 ? like_std-4: 0;
633 for (ii = 14; (ii >0)&&(ii>kk); ii--) {
638 kk = like_std >4 ? like_std-4: 0;
640 if (min_std > ii) min_std = ii;
644 if (like_std < 3) like_std = 3;
646 /* Figure out what standard the device is using if it hasn't told
647 * us. If we know the std, check if the device is using any of
648 * the words from the next level up. It happens.
650 if (like_std < std) like_std = std;
652 if (((std == 5) || (!std && (like_std < 6))) &&
653 ((((val[CMDS_SUPP_1] & VALID) == VALID_VAL) &&
654 (( val[CMDS_SUPP_1] & CMDS_W83) > 0x00ff)) ||
655 ((( val[CMDS_SUPP_2] & VALID) == VALID_VAL) &&
656 ( val[CMDS_SUPP_2] & CMDS_W84) ) )
659 } else if (((std == 4) || (!std && (like_std < 5))) &&
660 ((((val[INTEGRITY] & SIG) == SIG_VAL) && !chksum) ||
661 (( val[HWRST_RSLT] & VALID) == VALID_VAL) ||
662 ((( val[CMDS_SUPP_1] & VALID) == VALID_VAL) &&
663 (( val[CMDS_SUPP_1] & CMDS_W83) > 0x001f)) ) )
666 } else if (((std == 3) || (!std && (like_std < 4))) &&
667 ((((val[CMDS_SUPP_1] & VALID) == VALID_VAL) &&
668 ((( val[CMDS_SUPP_1] & CMDS_W83) > 0x0000) ||
669 (( val[CMDS_SUPP_0] & CMDS_W82) > 0x000f))) ||
670 (( val[CAPAB_1] & VALID) == VALID_VAL) ||
671 (( val[WHATS_VALID] & OK_W88) && val[ULTRA_DMA]) ||
672 (( val[RM_STAT] & RM_STAT_BITS) == RM_STAT_SUP) )
675 } else if (((std == 2) || (!std && (like_std < 3)))
676 && ((val[CMDS_SUPP_1] & VALID) == VALID_VAL)
679 } else if (((std == 1) || (!std && (like_std < 2))) &&
680 ((val[CAPAB_0] & (IORDY_SUP | IORDY_OFF)) ||
681 (val[WHATS_VALID] & OK_W64_70)) )
687 printf("\n\tLikely used: %u\n", like_std);
688 else if (like_std > std)
689 printf("& some of %u\n", like_std);
693 /* TBD: do CDROM stuff more thoroughly. For now... */
695 if (val[CDR_MINOR] == 9) {
697 printf("\n\tUsed: ATAPI for CD-ROMs, SFF-8020i, r2.5");
699 if (val[CDR_MAJOR] && (val[CDR_MAJOR] !=NOVAL_1)) {
701 printf("\n\tSupported: CD-ROM ATAPI");
702 jj = val[CDR_MAJOR] >> 1;
703 for (ii = 1; ii < 15; ii++) {
704 if (jj & 0x0001) printf("-%u ", ii);
708 printf("%s\n", kk ? "" : "\n\tLikely used CD-ROM ATAPI-1");
709 /* the cdrom stuff is more like ATA-2 than anything else, so: */
713 if (min_std == 0xffff)
714 min_std = like_std > 4 ? like_std - 3 : 1;
716 printf("Configuration:\n");
717 /* more info from the general configuration word */
718 if ((eqpt != CDROM) && (like_std == 1)) {
719 jj = val[GEN_CONFIG] >> 1;
720 for (ii = 1; ii < 15; ii++) {
722 printf("\t%s\n", ata1_cfg_str[ii]);
726 if (dev == ATAPI_DEV) {
727 if ((val[GEN_CONFIG] & DRQ_RESPONSE_TIME) == DRQ_3MS_VAL)
729 else if ((val[GEN_CONFIG] & DRQ_RESPONSE_TIME) == DRQ_INTR_VAL)
730 strng = "<=10ms with INTRQ";
731 else if ((val[GEN_CONFIG] & DRQ_RESPONSE_TIME) == DRQ_50US_VAL)
735 printf("\tDRQ response: %s\n\tPacket size: ", strng); /* Data Request (DRQ) */
737 if ((val[GEN_CONFIG] & PKT_SIZE_SUPPORTED) == PKT_SIZE_12_VAL)
739 else if ((val[GEN_CONFIG] & PKT_SIZE_SUPPORTED) == PKT_SIZE_16_VAL)
745 /* addressing...CHS? See section 6.2 of ATA specs 4 or 5 */
746 ll = (uint32_t)val[LBA_SECTS_MSB] << 16 | val[LBA_SECTS_LSB];
748 if ((ll > 0x00FBFC10) && (!val[LCYLS]))
749 printf("\tCHS addressing not supported\n");
751 jj = val[WHATS_VALID] & OK_W54_58;
752 printf("\tLogical\t\tmax\tcurrent\n\tcylinders\t%u\t%u\n\theads\t\t%u\t%u\n\tsectors/track\t%u\t%u\n\t--\n",
753 val[LCYLS],jj?val[LCYLS_CUR]:0, val[LHEADS],jj?val[LHEADS_CUR]:0, val[LSECTS],jj?val[LSECTS_CUR]:0);
755 if ((min_std == 1) && (val[TRACK_BYTES] || val[SECT_BYTES]))
756 printf("\tbytes/track: %u\tbytes/sector: %u\n", val[TRACK_BYTES], val[SECT_BYTES]);
759 mm = (uint32_t)val[CAPACITY_MSB] << 16 | val[CAPACITY_LSB];
761 /* check Endian of capacity bytes */
762 nn = val[LCYLS_CUR] * val[LHEADS_CUR] * val[LSECTS_CUR];
763 oo = (uint32_t)val[CAPACITY_LSB] << 16 | val[CAPACITY_MSB];
764 if (abs(mm - nn) > abs(oo - nn))
767 printf("\tCHS current addressable sectors:%11u\n", mm);
771 printf("\tLBA user addressable sectors:%11u\n", ll);
772 if (((val[CMDS_SUPP_1] & VALID) == VALID_VAL)
773 && (val[CMDS_SUPP_1] & SUPPORT_48_BIT)
775 bbbig = (uint64_t)val[LBA_64_MSB] << 48 |
776 (uint64_t)val[LBA_48_MSB] << 32 |
777 (uint64_t)val[LBA_MID] << 16 |
779 printf("\tLBA48 user addressable sectors:%11"PRIu64"\n", bbbig);
783 bbbig = (uint64_t)(ll>mm ? ll : mm); /* # 512 byte blocks */
784 printf("\tdevice size with M = 1024*1024: %11"PRIu64" MBytes\n", bbbig>>11);
785 bbbig = (bbbig << 9) / 1000000;
786 printf("\tdevice size with M = 1000*1000: %11"PRIu64" MBytes ", bbbig);
789 printf("(%"PRIu64" GB)\n", bbbig/1000);
794 /* hw support of commands (capabilities) */
795 printf("Capabilities:\n\t");
797 if (dev == ATAPI_DEV) {
798 if (eqpt != CDROM && (val[CAPAB_0] & CMD_Q_SUP)) printf("Cmd queuing, ");
799 if (val[CAPAB_0] & OVLP_SUP) printf("Cmd overlap, ");
801 if (val[CAPAB_0] & LBA_SUP) printf("LBA, ");
804 printf("IORDY%s(can%s be disabled)\n",
805 !(val[CAPAB_0] & IORDY_SUP) ? "(may be)" : "",
806 (val[CAPAB_0] & IORDY_OFF) ? "" :"not");
808 printf("no IORDY\n");
810 if ((like_std == 1) && val[BUF_TYPE]) {
811 printf("\tBuffer type: %04x: %s%s\n", val[BUF_TYPE],
812 (val[BUF_TYPE] < 2) ? "single port, single-sector" : "dual port, multi-sector",
813 (val[BUF_TYPE] > 2) ? " with read caching ability" : "");
816 if ((min_std == 1) && (val[BUFFER__SIZE] && (val[BUFFER__SIZE] != NOVAL_1))) {
817 printf("\tBuffer size: %.1fkB\n", (float)val[BUFFER__SIZE]/2);
819 if ((min_std < 4) && (val[RW_LONG])) {
820 printf("\tbytes avail on r/w long: %u\n", val[RW_LONG]);
822 if ((eqpt != CDROM) && (like_std > 3)) {
823 printf("\tQueue depth: %u\n", (val[QUEUE_DEPTH] & DEPTH_BITS) + 1);
826 if (dev == ATA_DEV) {
828 printf("\tCan%s perform double-word IO\n", (!val[DWORD_IO]) ? "not" : "");
830 printf("\tStandby timer values: spec'd by %s", (val[CAPAB_0] & STD_STBY) ? "Standard" : "Vendor");
831 if ((like_std > 3) && ((val[CAPAB_1] & VALID) == VALID_VAL))
832 printf(", %s device specific minimum\n", (val[CAPAB_1] & MIN_STANDBY_TIMER) ? "with" : "no");
836 printf("\tR/W multiple sector transfer: ");
837 if ((like_std < 3) && !(val[SECTOR_XFER_MAX] & SECTOR_XFER))
838 printf("not supported\n");
840 printf("Max = %u\tCurrent = ", val[SECTOR_XFER_MAX] & SECTOR_XFER);
841 if (val[SECTOR_XFER_CUR] & MULTIPLE_SETTING_VALID)
842 printf("%u\n", val[SECTOR_XFER_CUR] & SECTOR_XFER);
846 if ((like_std > 3) && (val[CMDS_SUPP_1] & 0x0008)) {
847 /* We print out elsewhere whether the APM feature is enabled or
848 not. If it's not enabled, let's not repeat the info; just print
850 printf("\tAdvancedPM level: ");
851 if ((val[ADV_PWR] & 0xFF00) == 0x4000) {
852 uint8_t apm_level = val[ADV_PWR] & 0x00FF;
853 printf("%u (0x%x)\n", apm_level, apm_level);
856 printf("unknown setting (0x%04x)\n", val[ADV_PWR]);
858 if (like_std > 5 && val[ACOUSTIC]) {
859 printf("\tRecommended acoustic management value: %u, current value: %u\n",
860 (val[ACOUSTIC] >> 8) & 0x00ff, val[ACOUSTIC] & 0x00ff);
864 if (eqpt != CDROM && (val[CAPAB_0] & SWRST_REQ))
865 printf("\tATA sw reset required\n");
867 if (val[PKT_REL] || val[SVC_NBSY]) {
868 printf("\tOverlap support:");
869 if (val[PKT_REL]) printf(" %uus to release bus.", val[PKT_REL]);
870 if (val[SVC_NBSY]) printf(" %uus to clear BSY after SERVICE cmd.", val[SVC_NBSY]);
875 /* DMA stuff. Check that only one DMA mode is selected. */
877 if (!(val[CAPAB_0] & DMA_SUP))
878 printf("not supported\n");
880 if (val[DMA_MODE] && !val[SINGLE_DMA] && !val[MULTI_DMA])
881 printf(" sdma%u\n", (val[DMA_MODE] & MODE) >> 8);
882 if (val[SINGLE_DMA]) {
883 jj = val[SINGLE_DMA];
884 kk = val[SINGLE_DMA] >> 8;
885 err_dma += mode_loop(jj, kk, 's', &have_mode);
887 if (val[MULTI_DMA]) {
889 kk = val[MULTI_DMA] >> 8;
890 err_dma += mode_loop(jj, kk, 'm', &have_mode);
892 if ((val[WHATS_VALID] & OK_W88) && val[ULTRA_DMA]) {
894 kk = val[ULTRA_DMA] >> 8;
895 err_dma += mode_loop(jj, kk, 'u', &have_mode);
897 if (err_dma || !have_mode) printf("(?)");
900 if ((dev == ATAPI_DEV) && (eqpt != CDROM) && (val[CAPAB_0] & DMA_IL_SUP))
901 printf("\t\tInterleaved DMA support\n");
903 if ((val[WHATS_VALID] & OK_W64_70)
904 && (val[DMA_TIME_MIN] || val[DMA_TIME_NORM])
906 printf("\t\tCycle time:");
907 if (val[DMA_TIME_MIN]) printf(" min=%uns", val[DMA_TIME_MIN]);
908 if (val[DMA_TIME_NORM]) printf(" recommended=%uns", val[DMA_TIME_NORM]);
913 /* Programmed IO stuff */
915 /* If a drive supports mode n (e.g. 3), it also supports all modes less
916 * than n (e.g. 3, 2, 1 and 0). Print all the modes. */
917 if ((val[WHATS_VALID] & OK_W64_70) && (val[ADV_PIO_MODES] & PIO_SUP)) {
918 jj = ((val[ADV_PIO_MODES] & PIO_SUP) << 3) | 0x0007;
919 for (ii = 0; ii <= PIO_MODE_MAX ; ii++) {
920 if (jj & 0x0001) printf("pio%d ", ii);
924 } else if (((min_std < 5) || (eqpt == CDROM)) && (val[PIO_MODE] & MODE)) {
925 for (ii = 0; ii <= val[PIO_MODE]>>8; ii++)
926 printf("pio%d ", ii);
931 if (val[WHATS_VALID] & OK_W64_70) {
932 if (val[PIO_NO_FLOW] || val[PIO_FLOW]) {
933 printf("\t\tCycle time:");
934 if (val[PIO_NO_FLOW]) printf(" no flow control=%uns", val[PIO_NO_FLOW]);
935 if (val[PIO_FLOW]) printf(" IORDY flow control=%uns", val[PIO_FLOW]);
940 if ((val[CMDS_SUPP_1] & VALID) == VALID_VAL) {
941 printf("Commands/features:\n\tEnabled\tSupported:\n");
942 jj = val[CMDS_SUPP_0];
944 for (ii = 0; ii < NUM_CMD_FEAT_STR; ii++) {
945 if ((jj & 0x8000) && (*cmd_feat_str[ii] != '\0')) {
946 printf("\t%s\t%s\n", (kk & 0x8000) ? " *" : "", cmd_feat_str[ii]);
951 jj = val[CMDS_SUPP_0+1+(ii/16)];
952 kk = val[CMDS_EN_0+1+(ii/16)];
955 if ((val[CMDS_SUPP_2] & VALID) != VALID_VAL)
960 /* Removable Media Status Notification feature set */
961 if ((val[RM_STAT] & RM_STAT_BITS) == RM_STAT_SUP)
962 printf("\t%s supported\n", cmd_feat_str[27]);
965 if ((eqpt != CDROM) && (like_std > 3)
966 && (val[SECU_STATUS] || val[ERASE_TIME] || val[ENH_ERASE_TIME])
968 printf("Security:\n");
969 if (val[PSWD_CODE] && (val[PSWD_CODE] != NOVAL_1))
970 printf("\tMaster password revision code = %u\n", val[PSWD_CODE]);
971 jj = val[SECU_STATUS];
973 for (ii = 0; ii < NUM_SECU_STR; ii++) {
974 printf("\t%s\t%s\n", (!(jj & 0x0001)) ? "not" : "", secu_str[ii]);
977 if (val[SECU_STATUS] & SECU_ENABLED) {
978 printf("\tSecurity level %s\n", (val[SECU_STATUS] & SECU_LEVEL) ? "maximum" : "high");
981 jj = val[ERASE_TIME] & ERASE_BITS;
982 kk = val[ENH_ERASE_TIME] & ERASE_BITS;
985 if (jj) printf("%umin for %sSECURITY ERASE UNIT. ", jj==ERASE_BITS ? 508 : jj<<1, "");
986 if (kk) printf("%umin for %sSECURITY ERASE UNIT. ", kk==ERASE_BITS ? 508 : kk<<1, "ENHANCED ");
992 jj = val[HWRST_RSLT];
993 if ((jj & VALID) == VALID_VAL) {
994 if (!(oo = (jj & RST0)))
996 if ((jj & DEV_DET) == JUMPER_VAL)
997 strng = " determined by the jumper";
998 else if ((jj & DEV_DET) == CSEL_VAL)
999 strng = " determined by CSEL";
1002 printf("HW reset results:\n\tCBLID- %s Vih\n\tDevice num = %i%s\n",
1003 (val[HWRST_RSLT] & CBLID) ? "above" : "below", !(oo), strng);
1006 /* more stuff from std 5 */
1007 if ((like_std > 4) && (eqpt != CDROM)) {
1008 if (val[CFA_PWR_MODE] & VALID_W160) {
1009 printf("CFA power mode 1:\n\t%s%s\n", (val[CFA_PWR_MODE] & PWR_MODE_OFF) ? "disabled" : "enabled",
1010 (val[CFA_PWR_MODE] & PWR_MODE_REQ) ? " and required by some commands" : "");
1012 if (val[CFA_PWR_MODE] & MAX_AMPS)
1013 printf("\tMaximum current = %uma\n", val[CFA_PWR_MODE] & MAX_AMPS);
1015 if ((val[INTEGRITY] & SIG) == SIG_VAL) {
1016 printf("Checksum: %scorrect\n", chksum ? "in" : "");
1024 static smallint get_identity, get_geom;
1025 static smallint do_flush;
1026 static smallint do_ctimings, do_timings;
1027 static smallint reread_partn;
1029 static smallint set_piomode, noisy_piomode;
1030 static smallint set_readahead, get_readahead;
1031 static smallint set_readonly, get_readonly;
1032 static smallint set_unmask, get_unmask;
1033 static smallint set_mult, get_mult;
1034 static smallint set_dma_q, get_dma_q;
1035 static smallint set_nowerr, get_nowerr;
1036 static smallint set_keep, get_keep;
1037 static smallint set_io32bit, get_io32bit;
1039 static unsigned long Xreadahead;
1040 static unsigned long readonly;
1041 static unsigned long unmask;
1042 static unsigned long mult;
1043 static unsigned long dma_q;
1044 static unsigned long nowerr;
1045 static unsigned long keep;
1046 static unsigned long io32bit;
1047 #if ENABLE_FEATURE_HDPARM_HDIO_GETSET_DMA
1048 static unsigned long dma;
1049 static smallint set_dma, get_dma;
1051 #ifdef HDIO_DRIVE_CMD
1052 static smallint set_xfermode, get_xfermode;
1053 static smallint set_dkeep, get_dkeep;
1054 static smallint set_standby, get_standby;
1055 static smallint set_lookahead, get_lookahead;
1056 static smallint set_prefetch, get_prefetch;
1057 static smallint set_defects, get_defects;
1058 static smallint set_wcache, get_wcache;
1059 static smallint set_doorlock, get_doorlock;
1060 static smallint set_seagate, get_seagate;
1061 static smallint set_standbynow, get_standbynow;
1062 static smallint set_sleepnow, get_sleepnow;
1063 static smallint get_powermode;
1064 static smallint set_apmmode, get_apmmode;
1065 static int xfermode_requested;
1066 static unsigned long dkeep;
1067 static unsigned long standby_requested;
1068 static unsigned long lookahead;
1069 static unsigned long prefetch;
1070 static unsigned long defects;
1071 static unsigned long wcache;
1072 static unsigned long doorlock;
1073 static unsigned long apmmode;
1075 USE_FEATURE_HDPARM_GET_IDENTITY( static smallint get_IDentity;)
1076 USE_FEATURE_HDPARM_HDIO_TRISTATE_HWIF( static smallint set_busstate, get_busstate;)
1077 USE_FEATURE_HDPARM_HDIO_DRIVE_RESET( static smallint perform_reset;)
1078 USE_FEATURE_HDPARM_HDIO_TRISTATE_HWIF( static smallint perform_tristate;)
1079 USE_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF(static smallint unregister_hwif;)
1080 USE_FEATURE_HDPARM_HDIO_SCAN_HWIF( static smallint scan_hwif;)
1081 USE_FEATURE_HDPARM_HDIO_TRISTATE_HWIF( static unsigned long busstate;)
1082 USE_FEATURE_HDPARM_HDIO_TRISTATE_HWIF( static unsigned long tristate;)
1083 USE_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF(static unsigned long hwif;)
1084 #if ENABLE_FEATURE_HDPARM_HDIO_SCAN_HWIF
1085 static unsigned long hwif_data;
1086 static unsigned long hwif_ctrl;
1087 static unsigned long hwif_irq;
1090 // Historically, if there was no HDIO_OBSOLETE_IDENTITY, then
1091 // then the HDIO_GET_IDENTITY only returned 142 bytes.
1092 // Otherwise, HDIO_OBSOLETE_IDENTITY returns 142 bytes,
1093 // and HDIO_GET_IDENTITY returns 512 bytes. But the latest
1094 // 2.5.xx kernels no longer define HDIO_OBSOLETE_IDENTITY
1095 // (which they should, but they should just return -EINVAL).
1097 // So.. we must now assume that HDIO_GET_IDENTITY returns 512 bytes.
1098 // On a really old system, it will not, and we will be confused.
1101 #if ENABLE_FEATURE_HDPARM_GET_IDENTITY
1102 static const char * const cfg_str[] =
1103 { "", "HardSect", "SoftSect", "NotMFM",
1104 "HdSw>15uSec", "SpinMotCtl", "Fixed", "Removeable",
1105 "DTR<=5Mbs", "DTR>5Mbs", "DTR>10Mbs", "RotSpdTol>.5%",
1106 "dStbOff", "TrkOff", "FmtGapReq", "nonMagnetic"
1109 static const char * const BuffType[] = {"Unknown", "1Sect", "DualPort", "DualPortCache"};
1111 static void dump_identity(const struct hd_driveid *id)
1114 const unsigned short int *id_regs = (const void*) id;
1116 printf("\n Model=%.40s, FwRev=%.8s, SerialNo=%.20s\n Config={",
1117 id->model, id->fw_rev, id->serial_no);
1118 for (i = 0; i <= 15; i++) {
1119 if (id->config & (1<<i))
1120 printf(" %s", cfg_str[i]);
1122 printf(" }\n RawCHS=%u/%u/%u, TrkSize=%u, SectSize=%u, ECCbytes=%u\n"
1123 " BuffType=(%u) %s, BuffSize=%ukB, MaxMultSect=%u",
1124 id->cyls, id->heads, id->sectors, id->track_bytes,
1125 id->sector_bytes, id->ecc_bytes,
1126 id->buf_type, BuffType[(id->buf_type > 3) ? 0 : id->buf_type],
1127 id->buf_size/2, id->max_multsect);
1128 if (id->max_multsect) {
1129 printf(", MultSect=");
1130 if (!(id->multsect_valid & 1))
1131 printf("?%u?", id->multsect);
1132 else if (id->multsect)
1133 printf("%u", id->multsect);
1139 if (!(id->field_valid & 1))
1140 printf(" (maybe):");
1142 printf(" CurCHS=%u/%u/%u, CurSects=%lu, LBA=%s", id->cur_cyls, id->cur_heads,
1145 (unsigned long)(id->cur_capacity0 << 16) | id->cur_capacity1 :
1146 (unsigned long)(id->cur_capacity1 << 16) | id->cur_capacity0,
1147 ((id->capability&2) == 0) ? "no" : "yes");
1149 if (id->capability & 2)
1150 printf(", LBAsects=%u", id->lba_capacity);
1152 printf("\n IORDY=%s", (id->capability & 8) ? (id->capability & 4) ? "on/off" : "yes" : "no");
1154 if (((id->capability & 8) || (id->field_valid & 2)) && (id->field_valid & 2))
1155 printf(", tPIO={min:%u,w/IORDY:%u}", id->eide_pio, id->eide_pio_iordy);
1157 if ((id->capability & 1) && (id->field_valid & 2))
1158 printf(", tDMA={min:%u,rec:%u}", id->eide_dma_min, id->eide_dma_time);
1160 printf("\n PIO modes: ");
1161 if (id->tPIO <= 5) {
1163 if (id->tPIO >= 1) printf("pio1 ");
1164 if (id->tPIO >= 2) printf("pio2 ");
1166 if (id->field_valid & 2) {
1167 if (id->eide_pio_modes & 1) printf("pio3 ");
1168 if (id->eide_pio_modes & 2) printf("pio4 ");
1169 if (id->eide_pio_modes &~3) printf("pio? ");
1171 if (id->capability & 1) {
1172 if (id->dma_1word | id->dma_mword) {
1173 printf("\n DMA modes: ");
1174 if (id->dma_1word & 0x100) printf("*");
1175 if (id->dma_1word & 1) printf("sdma0 ");
1176 if (id->dma_1word & 0x200) printf("*");
1177 if (id->dma_1word & 2) printf("sdma1 ");
1178 if (id->dma_1word & 0x400) printf("*");
1179 if (id->dma_1word & 4) printf("sdma2 ");
1180 if (id->dma_1word & 0xf800) printf("*");
1181 if (id->dma_1word & 0xf8) printf("sdma? ");
1182 if (id->dma_mword & 0x100) printf("*");
1183 if (id->dma_mword & 1) printf("mdma0 ");
1184 if (id->dma_mword & 0x200) printf("*");
1185 if (id->dma_mword & 2) printf("mdma1 ");
1186 if (id->dma_mword & 0x400) printf("*");
1187 if (id->dma_mword & 4) printf("mdma2 ");
1188 if (id->dma_mword & 0xf800) printf("*");
1189 if (id->dma_mword & 0xf8) printf("mdma? ");
1192 if (((id->capability & 8) || (id->field_valid & 2)) && id->field_valid & 4) {
1193 printf("\n UDMA modes: ");
1194 if (id->dma_ultra & 0x100) printf("*");
1195 if (id->dma_ultra & 0x001) printf("udma0 ");
1196 if (id->dma_ultra & 0x200) printf("*");
1197 if (id->dma_ultra & 0x002) printf("udma1 ");
1198 if (id->dma_ultra & 0x400) printf("*");
1199 if (id->dma_ultra & 0x004) printf("udma2 ");
1200 #ifdef __NEW_HD_DRIVE_ID
1201 if (id->hw_config & 0x2000) {
1202 #else /* !__NEW_HD_DRIVE_ID */
1203 if (id->word93 & 0x2000) {
1204 #endif /* __NEW_HD_DRIVE_ID */
1205 if (id->dma_ultra & 0x0800) printf("*");
1206 if (id->dma_ultra & 0x0008) printf("udma3 ");
1207 if (id->dma_ultra & 0x1000) printf("*");
1208 if (id->dma_ultra & 0x0010) printf("udma4 ");
1209 if (id->dma_ultra & 0x2000) printf("*");
1210 if (id->dma_ultra & 0x0020) printf("udma5 ");
1211 if (id->dma_ultra & 0x4000) printf("*");
1212 if (id->dma_ultra & 0x0040) printf("udma6 ");
1213 if (id->dma_ultra & 0x8000) printf("*");
1214 if (id->dma_ultra & 0x0080) printf("udma7 ");
1217 printf("\n AdvancedPM=%s", (!(id_regs[83] & 8)) ? "no" : "yes");
1218 if (id_regs[83] & 8) {
1219 if (!(id_regs[86] & 8))
1220 printf(": disabled (255)");
1221 else if ((id_regs[91] & 0xFF00) != 0x4000)
1222 printf(": unknown setting");
1224 printf(": mode=0x%02X (%u)", id_regs[91] & 0xFF, id_regs[91] & 0xFF);
1226 if (id_regs[82] & 0x20)
1227 printf(" WriteCache=%s", (id_regs[85] & 0x20) ? "enabled" : "disabled");
1228 #ifdef __NEW_HD_DRIVE_ID
1229 if ((id->minor_rev_num && id->minor_rev_num <= 31)
1230 || (id->major_rev_num && id->minor_rev_num <= 31)
1232 printf("\n Drive conforms to: %s: ", (id->minor_rev_num <= 31) ? minor_str[id->minor_rev_num] : "Unknown");
1233 if (id->major_rev_num != 0x0000 && /* NOVAL_0 */
1234 id->major_rev_num != 0xFFFF) { /* NOVAL_1 */
1235 for (i = 0; i <= 15; i++) {
1236 if (id->major_rev_num & (1<<i))
1237 printf(" ATA/ATAPI-%u", i);
1241 #endif /* __NEW_HD_DRIVE_ID */
1242 printf("\n\n * current active mode\n\n");
1246 static void flush_buffer_cache(int fd)
1248 fsync(fd); /* flush buffers */
1249 bb_ioctl(fd, BLKFLSBUF, NULL, "BLKFLSBUF") ;/* do it again, big time */
1250 #ifdef HDIO_DRIVE_CMD
1252 if (ioctl(fd, HDIO_DRIVE_CMD, NULL) && errno != EINVAL) /* await completion */
1253 bb_perror_msg("HDIO_DRIVE_CMD");
1257 static int seek_to_zero(int fd)
1259 if (lseek(fd, (off_t) 0, SEEK_SET))
1264 static int read_big_block(int fd, char *buf)
1268 i = read(fd, buf, TIMING_BUF_BYTES);
1269 if (i != TIMING_BUF_BYTES) {
1270 bb_error_msg("read(%d bytes) failed (rc=%d)", TIMING_BUF_BYTES, i);
1273 /* access all sectors of buf to ensure the read fully completed */
1274 for (i = 0; i < TIMING_BUF_BYTES; i += 512)
1279 static void print_timing(int t, double e)
1281 if (t >= e) /* more than 1MB/s */
1282 printf("%2d MB in %5.2f seconds =%6.2f %cB/sec\n", t, e, t / e, 'M');
1284 printf("%2d MB in %5.2f seconds =%6.2f %cB/sec\n", t, e, t / e * 1024, 'k');
1287 static int do_blkgetsize(int fd, unsigned long long *blksize64)
1290 unsigned blksize32 = 0;
1292 if (0 == ioctl(fd, BLKGETSIZE64, blksize64)) { // returns bytes
1296 rc = ioctl(fd, BLKGETSIZE, &blksize32); // returns sectors
1298 bb_perror_msg("BLKGETSIZE");
1299 *blksize64 = blksize32;
1303 static void do_time(int flag, int fd)
1306 flag = 1 time_device
1309 static const struct itimerval thousand = {{1000, 0}, {1000, 0}};
1311 struct itimerval e1, e2;
1312 double elapsed, elapsed2;
1313 unsigned max_iterations = 1024, total_MB, iterations;
1314 unsigned long long blksize;
1315 RESERVE_CONFIG_BUFFER(buf, TIMING_BUF_BYTES);
1317 if (mlock(buf, TIMING_BUF_BYTES)) {
1318 bb_perror_msg("mlock");
1322 if (0 == do_blkgetsize(fd, &blksize)) {
1323 max_iterations = blksize / (2 * 1024) / TIMING_BUF_MB;
1326 /* Clear out the device request queues & give them time to complete */
1330 setitimer(ITIMER_REAL, &thousand, NULL);
1335 if (seek_to_zero(fd)) return;
1336 if (read_big_block(fd, buf)) return;
1337 printf(" Timing cached reads: ");
1340 /* Now do the timing */
1342 getitimer(ITIMER_REAL, &e1);
1345 if (seek_to_zero(fd) || read_big_block(fd, buf))
1347 getitimer(ITIMER_REAL, &e2);
1348 elapsed = (e1.it_value.tv_sec - e2.it_value.tv_sec)
1349 + ((e1.it_value.tv_usec - e2.it_value.tv_usec) / 1000000.0);
1350 } while (elapsed < 2.0);
1351 total_MB = iterations * TIMING_BUF_MB;
1353 /* Now remove the lseek() and getitimer() overheads from the elapsed time */
1354 getitimer(ITIMER_REAL, &e1);
1356 if (seek_to_zero(fd))
1358 getitimer(ITIMER_REAL, &e2);
1359 elapsed2 = (e1.it_value.tv_sec - e2.it_value.tv_sec)
1360 + ((e1.it_value.tv_usec - e2.it_value.tv_usec) / 1000000.0);
1361 } while (--iterations);
1363 elapsed -= elapsed2;
1364 print_timing(BUFCACHE_FACTOR * total_MB, elapsed);
1365 flush_buffer_cache(fd);
1370 printf(" Timing buffered disk reads: ");
1373 * getitimer() is used rather than gettimeofday() because
1374 * it is much more consistent (on my machine, at least).
1376 /* Now do the timings for real */
1378 getitimer(ITIMER_REAL, &e1);
1381 if (read_big_block(fd, buf))
1383 getitimer(ITIMER_REAL, &e2);
1384 elapsed = (e1.it_value.tv_sec - e2.it_value.tv_sec)
1385 + ((e1.it_value.tv_usec - e2.it_value.tv_usec) / 1000000.0);
1386 } while (elapsed < 3.0 && iterations < max_iterations);
1388 total_MB = iterations * TIMING_BUF_MB;
1389 print_timing(total_MB, elapsed);
1392 munlock(buf, TIMING_BUF_BYTES);
1394 RELEASE_CONFIG_BUFFER(buf);
1397 #if ENABLE_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
1398 static void bus_state_value(unsigned value)
1400 if (value == BUSSTATE_ON)
1402 else if (value == BUSSTATE_OFF)
1404 else if (value == BUSSTATE_TRISTATE)
1405 printf(" (tristate)\n");
1407 printf(" (unknown: %d)\n", value);
1411 #ifdef HDIO_DRIVE_CMD
1412 static void interpret_standby(unsigned standby)
1419 else if (standby == 252)
1420 printf("21 minutes");
1421 else if (standby == 253)
1422 printf("vendor-specific");
1423 else if (standby == 254)
1425 else if (standby == 255)
1426 printf("21 minutes + 15 seconds");
1427 else if (standby <= 240) {
1429 printf("%u minutes + %u seconds", t / 60, t % 60);
1430 } else if (standby <= 251) {
1431 t = (standby - 240) * 30;
1432 printf("%u hours + %u minutes", t / 60, t % 60);
1434 printf("illegal value");
1438 struct xfermode_entry {
1443 static const struct xfermode_entry xfermode_table[] = {
1479 static int translate_xfermode(char * name)
1481 const struct xfermode_entry *tmp;
1485 for (tmp = xfermode_table; tmp->name != NULL; ++tmp) {
1486 if (!strcmp(name, tmp->name))
1490 val = strtol(name, &endptr, 10);
1491 if (*endptr == '\0')
1497 static void interpret_xfermode(unsigned xfermode)
1501 printf("default PIO mode");
1502 else if (xfermode == 1)
1503 printf("default PIO mode, disable IORDY");
1504 else if (xfermode >= 8 && xfermode <= 15)
1505 printf("PIO flow control mode%u", xfermode-8);
1506 else if (xfermode >= 16 && xfermode <= 23)
1507 printf("singleword DMA mode%u", xfermode-16);
1508 else if (xfermode >= 32 && xfermode <= 39)
1509 printf("multiword DMA mode%u", xfermode-32);
1510 else if (xfermode >= 64 && xfermode <= 71)
1511 printf("UltraDMA mode%u", xfermode-64);
1516 #endif /* HDIO_DRIVE_CMD */
1518 static void print_flag(int flag, const char *s, unsigned long value)
1521 printf(" setting %s to %ld\n", s, value);
1524 static void process_dev(char *devname)
1527 long parm, multcount;
1528 #ifndef HDIO_DRIVE_CMD
1529 int force_operation = 0;
1531 /* Please restore args[n] to these values after each ioctl
1532 except for args[2] */
1533 unsigned char args[4] = { WIN_SETFEATURES, 0, 0, 0 };
1534 const char *fmt = " %s\t= %2ld";
1536 fd = xopen(devname, O_RDONLY|O_NONBLOCK);
1537 printf("\n%s:\n", devname);
1539 if (set_readahead) {
1540 print_flag(get_readahead, "fs readahead", Xreadahead);
1541 bb_ioctl(fd, BLKRASET, (int *)Xreadahead, "BLKRASET");
1543 #if ENABLE_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF
1544 if (unregister_hwif) {
1545 printf(" attempting to unregister hwif#%lu\n", hwif);
1546 bb_ioctl(fd, HDIO_UNREGISTER_HWIF, (int *)(unsigned long)hwif, "HDIO_UNREGISTER_HWIF");
1549 #if ENABLE_FEATURE_HDPARM_HDIO_SCAN_HWIF
1551 printf(" attempting to scan hwif (0x%lx, 0x%lx, %lu)\n", hwif_data, hwif_ctrl, hwif_irq);
1552 args[0] = hwif_data;
1553 args[1] = hwif_ctrl;
1555 bb_ioctl(fd, HDIO_SCAN_HWIF, args, "HDIO_SCAN_HWIF");
1556 args[0] = WIN_SETFEATURES;
1561 if (noisy_piomode) {
1562 printf(" attempting to ");
1564 printf("auto-tune PIO mode\n");
1565 else if (piomode < 100)
1566 printf("set PIO mode to %d\n", piomode);
1567 else if (piomode < 200)
1568 printf("set MDMA mode to %d\n", (piomode-100));
1570 printf("set UDMA mode to %d\n", (piomode-200));
1572 bb_ioctl(fd, HDIO_SET_PIO_MODE, (int *)(unsigned long)piomode, "HDIO_SET_PIO_MODE");
1575 print_flag(get_io32bit, "32-bit IO_support flag", io32bit);
1576 bb_ioctl(fd, HDIO_SET_32BIT, (int *)io32bit, "HDIO_SET_32BIT");
1579 print_flag(get_mult, "multcount", mult);
1580 #ifdef HDIO_DRIVE_CMD
1581 bb_ioctl(fd, HDIO_SET_MULTCOUNT, (void *)mult, "HDIO_SET_MULTCOUNT");
1583 force_operation |= (!bb_ioctl(fd, HDIO_SET_MULTCOUNT, (void *)mult, "HDIO_SET_MULTCOUNT"));
1587 print_flag_on_off(get_readonly, "readonly", readonly);
1588 bb_ioctl(fd, BLKROSET, &readonly, "BLKROSET");
1591 print_flag_on_off(get_unmask, "unmaskirq", unmask);
1592 bb_ioctl(fd, HDIO_SET_UNMASKINTR, (int *)unmask, "HDIO_SET_UNMASKINTR");
1594 #if ENABLE_FEATURE_HDPARM_HDIO_GETSET_DMA
1596 print_flag_on_off(get_dma, "using_dma", dma);
1597 bb_ioctl(fd, HDIO_SET_DMA, (int *)dma, "HDIO_SET_DMA");
1599 #endif /* FEATURE_HDPARM_HDIO_GETSET_DMA */
1601 print_flag_on_off(get_dma_q, "DMA queue_depth", dma_q);
1602 bb_ioctl(fd, HDIO_SET_QDMA, (int *)dma_q, "HDIO_SET_QDMA");
1605 print_flag_on_off(get_nowerr, "nowerr", nowerr);
1606 bb_ioctl(fd, HDIO_SET_NOWERR, (int *)nowerr, "HDIO_SET_NOWERR");
1609 print_flag_on_off(get_keep, "keep_settings", keep);
1610 bb_ioctl(fd, HDIO_SET_KEEPSETTINGS, (int *)keep, "HDIO_SET_KEEPSETTINGS");
1612 #ifdef HDIO_DRIVE_CMD
1614 args[0] = doorlock ? WIN_DOORLOCK : WIN_DOORUNLOCK;
1616 print_flag_on_off(get_doorlock, "drive doorlock", doorlock);
1617 bb_ioctl(fd, HDIO_DRIVE_CMD, &args, "HDIO_DRIVE_CMD(doorlock)");
1618 args[0] = WIN_SETFEATURES;
1621 /* lock/unlock the drive's "feature" settings */
1622 print_flag_on_off(get_dkeep, "drive keep features", dkeep);
1623 args[2] = dkeep ? 0x66 : 0xcc;
1624 bb_ioctl(fd, HDIO_DRIVE_CMD, &args, "HDIO_DRIVE_CMD(keepsettings)");
1627 args[2] = defects ? 0x04 : 0x84;
1628 print_flag(get_defects, "drive defect-mgmt", defects);
1629 bb_ioctl(fd, HDIO_DRIVE_CMD, &args, "HDIO_DRIVE_CMD(defectmgmt)");
1634 print_flag(get_prefetch, "drive prefetch", prefetch);
1635 bb_ioctl(fd, HDIO_DRIVE_CMD, &args, "HDIO_DRIVE_CMD(setprefetch)");
1639 args[1] = xfermode_requested;
1642 print_flag(1, "xfermode", xfermode_requested);
1643 interpret_xfermode(xfermode_requested);
1645 bb_ioctl(fd, HDIO_DRIVE_CMD, &args, "HDIO_DRIVE_CMD(setxfermode)");
1648 if (set_lookahead) {
1649 args[2] = lookahead ? 0xaa : 0x55;
1650 print_flag_on_off(get_lookahead, "drive read-lookahead", lookahead);
1651 bb_ioctl(fd, HDIO_DRIVE_CMD, &args, "HDIO_DRIVE_CMD(setreadahead)");
1654 args[2] = (apmmode == 255) ? 0x85 /* disable */ : 0x05 /* set */; /* feature register */
1655 args[1] = apmmode; /* sector count register 1-255 */
1657 printf(" setting APM level to %s 0x%02lX (%ld)\n", (apmmode == 255) ? "disabled" : "", apmmode, apmmode);
1658 bb_ioctl(fd, HDIO_DRIVE_CMD, &args, "HDIO_DRIVE_CMD");
1662 #ifdef DO_FLUSHCACHE
1663 #ifndef WIN_FLUSHCACHE
1664 #define WIN_FLUSHCACHE 0xe7
1666 static unsigned char flushcache[4] = { WIN_FLUSHCACHE, 0, 0, 0 };
1667 #endif /* DO_FLUSHCACHE */
1668 args[2] = wcache ? 0x02 : 0x82;
1669 print_flag_on_off(get_wcache, "drive write-caching", wcache);
1670 #ifdef DO_FLUSHCACHE
1672 bb_ioctl(fd, HDIO_DRIVE_CMD, &flushcache, "HDIO_DRIVE_CMD(flushcache)");
1673 #endif /* DO_FLUSHCACHE */
1674 bb_ioctl(fd, HDIO_DRIVE_CMD, &args, "HDIO_DRIVE_CMD(setcache)");
1675 #ifdef DO_FLUSHCACHE
1677 bb_ioctl(fd, HDIO_DRIVE_CMD, &flushcache, "HDIO_DRIVE_CMD(flushcache)");
1678 #endif /* DO_FLUSHCACHE */
1681 /* In code below, we do not preserve args[0], but the rest
1682 is preserved, including args[2] */
1685 if (set_standbynow) {
1686 #ifndef WIN_STANDBYNOW1
1687 #define WIN_STANDBYNOW1 0xE0
1689 #ifndef WIN_STANDBYNOW2
1690 #define WIN_STANDBYNOW2 0x94
1692 if (get_standbynow) printf(" issuing standby command\n");
1693 args[0] = WIN_STANDBYNOW1;
1694 bb_ioctl_alt(fd, HDIO_DRIVE_CMD, args, WIN_STANDBYNOW2, "HDIO_DRIVE_CMD(standby)");
1697 #ifndef WIN_SLEEPNOW1
1698 #define WIN_SLEEPNOW1 0xE6
1700 #ifndef WIN_SLEEPNOW2
1701 #define WIN_SLEEPNOW2 0x99
1703 if (get_sleepnow) printf(" issuing sleep command\n");
1704 args[0] = WIN_SLEEPNOW1;
1705 bb_ioctl_alt(fd, HDIO_DRIVE_CMD, args, WIN_SLEEPNOW2, "HDIO_DRIVE_CMD(sleep)");
1709 if (get_seagate) printf(" disabling Seagate auto powersaving mode\n");
1710 bb_ioctl(fd, HDIO_DRIVE_CMD, &args, "HDIO_DRIVE_CMD(seagatepwrsave)");
1713 args[0] = WIN_SETIDLE1;
1714 args[1] = standby_requested;
1716 print_flag(1, "standby", standby_requested);
1717 interpret_standby(standby_requested);
1719 bb_ioctl(fd, HDIO_DRIVE_CMD, &args, "HDIO_DRIVE_CMD(setidle1)");
1722 #else /* HDIO_DRIVE_CMD */
1723 if (force_operation) {
1725 flush_buffer_cache(fd);
1726 if (-1 == read(fd, buf, sizeof(buf)))
1727 bb_perror_msg("read(%d bytes) failed (rc=%d)", sizeof(buf), -1);
1729 #endif /* HDIO_DRIVE_CMD */
1731 if (get_mult || get_identity) {
1733 if (ioctl(fd, HDIO_GET_MULTCOUNT, &multcount)) {
1735 bb_perror_msg("HDIO_GET_MULTCOUNT");
1736 } else if (get_mult) {
1737 printf(fmt, "multcount", multcount);
1738 on_off(multcount != 0);
1742 if (!bb_ioctl(fd, HDIO_GET_32BIT, &parm, "HDIO_GET_32BIT")) {
1743 printf(" IO_support\t=%3ld (", parm);
1745 printf("default 16-bit)\n");
1747 printf("16-bit)\n");
1749 printf("32-bit)\n");
1751 printf("32-bit w/sync)\n");
1753 printf("Request-Queue-Bypass)\n");
1755 printf("\?\?\?)\n");
1759 bb_ioctl_on_off(fd, HDIO_GET_UNMASKINTR, (unsigned long *)parm,
1760 "HDIO_GET_UNMASKINTR", "unmaskirq");
1764 #if ENABLE_FEATURE_HDPARM_HDIO_GETSET_DMA
1766 if (!bb_ioctl(fd, HDIO_GET_DMA, &parm, "HDIO_GET_DMA")) {
1767 printf(fmt, "using_dma", parm);
1769 printf(" (DMA-Assisted-PIO)\n");
1776 bb_ioctl_on_off(fd, HDIO_GET_QDMA, (unsigned long *)parm,
1777 "HDIO_GET_QDMA", "queue_depth");
1780 bb_ioctl_on_off(fd, HDIO_GET_KEEPSETTINGS, (unsigned long *)parm,
1781 "HDIO_GET_KEEPSETTINGS", "keepsettings");
1785 bb_ioctl_on_off(fd, HDIO_GET_NOWERR, (unsigned long *)&parm,
1786 "HDIO_GET_NOWERR", "nowerr");
1789 bb_ioctl_on_off(fd, BLKROGET, (unsigned long *)parm,
1790 "BLKROGET", "readonly");
1792 if (get_readahead) {
1793 bb_ioctl_on_off(fd, BLKRAGET, (unsigned long *) parm,
1794 "BLKRAGET", "readahead");
1797 if (!bb_ioctl(fd, BLKGETSIZE, &parm, "BLKGETSIZE")) {
1798 struct hd_geometry g;
1800 if (!bb_ioctl(fd, HDIO_GETGEO, &g, "HDIO_GETGEO"))
1801 printf(" geometry\t= %u/%u/%u, sectors = %ld, start = %ld\n",
1802 g.cylinders, g.heads, g.sectors, parm, g.start);
1805 #ifdef HDIO_DRIVE_CMD
1806 if (get_powermode) {
1807 #ifndef WIN_CHECKPOWERMODE1
1808 #define WIN_CHECKPOWERMODE1 0xE5
1810 #ifndef WIN_CHECKPOWERMODE2
1811 #define WIN_CHECKPOWERMODE2 0x98
1815 args[0] = WIN_CHECKPOWERMODE1;
1816 if (bb_ioctl_alt(fd, HDIO_DRIVE_CMD, args, WIN_CHECKPOWERMODE2, 0)) {
1817 if (errno != EIO || args[0] != 0 || args[1] != 0)
1822 state = (args[2] == 255) ? "active/idle" : "standby";
1823 args[1] = args[2] = 0;
1825 printf(" drive state is: %s\n", state);
1828 #if ENABLE_FEATURE_HDPARM_HDIO_DRIVE_RESET
1829 if (perform_reset) {
1830 bb_ioctl(fd, HDIO_DRIVE_RESET, NULL, "HDIO_DRIVE_RESET");
1832 #endif /* FEATURE_HDPARM_HDIO_DRIVE_RESET */
1833 #if ENABLE_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
1834 if (perform_tristate) {
1837 bb_ioctl(fd, HDIO_TRISTATE_HWIF, &args, "HDIO_TRISTATE_HWIF");
1839 #endif /* FEATURE_HDPARM_HDIO_TRISTATE_HWIF */
1840 #if ENABLE_FEATURE_HDPARM_GET_IDENTITY
1842 struct hd_driveid id;
1844 if (!ioctl(fd, HDIO_GET_IDENTITY, &id)) {
1845 if (multcount != -1) {
1846 id.multsect = multcount;
1847 id.multsect_valid |= 1;
1849 id.multsect_valid &= ~1;
1851 } else if (errno == -ENOMSG)
1852 printf(" no identification info available\n");
1854 bb_perror_msg("HDIO_GET_IDENTITY");
1858 unsigned char args1[4+512]; /* = { ... } will eat 0.5k of rodata! */
1860 memset(args1, 0, sizeof(args1));
1861 args1[0] = WIN_IDENTIFY;
1863 if (!bb_ioctl_alt(fd, HDIO_DRIVE_CMD, args1, WIN_PIDENTIFY, "HDIO_DRIVE_CMD(identify)"))
1864 identify((void *)(args1 + 4));
1867 #if ENABLE_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
1870 print_flag(1, "bus state", busstate);
1871 bus_state_value(busstate);
1873 bb_ioctl(fd, HDIO_SET_BUSSTATE, (int *)(unsigned long)busstate, "HDIO_SET_BUSSTATE");
1876 if (!bb_ioctl(fd, HDIO_GET_BUSSTATE, &parm, "HDIO_GET_BUSSTATE")) {
1877 printf(fmt, "bus state", parm);
1878 bus_state_value(parm);
1883 bb_ioctl(fd, BLKRRPART, NULL, "BLKRRPART");
1886 do_time(0, fd); /* time cache */
1888 do_time(1, fd); /* time device */
1890 flush_buffer_cache(fd);
1894 #if ENABLE_FEATURE_HDPARM_GET_IDENTITY
1895 static int fromhex(unsigned char c)
1899 if (c >= 'a' && c <= 'f')
1900 return (c - ('a' - 10));
1901 bb_error_msg_and_die("bad char: '%c' 0x%02x", c, c);
1904 static void identify_from_stdin(void)
1907 unsigned char buf[1280];
1908 unsigned char *b = (unsigned char *)buf;
1911 xread(0, buf, 1280);
1913 // Convert the newline-separated hex data into an identify block.
1915 for (i = 0; i < 256; i++) {
1917 for (j = 0; j < 4; j++)
1918 sbuf[i] = (sbuf[i] << 4) + fromhex(*(b++));
1927 /* busybox specific stuff */
1928 static void parse_opts(smallint *get, smallint *set, unsigned long *value, int min, int max)
1935 *value = xatol_range(optarg, min, max);
1939 static void parse_xfermode(int flag, smallint *get, smallint *set, int *value)
1944 *value = translate_xfermode(optarg);
1945 *set = (*value > -1);
1950 /*------- getopt short options --------*/
1951 static const char hdparm_options[] = "gfu::n::p:r::m::c::k::a::B:tTh"
1952 USE_FEATURE_HDPARM_GET_IDENTITY("iI")
1953 USE_FEATURE_HDPARM_HDIO_GETSET_DMA("d::")
1954 #ifdef HDIO_DRIVE_CMD
1955 "S:D:P:X:K:A:L:W:CyYzZ"
1957 USE_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF("U:")
1958 #ifdef HDIO_GET_QDMA
1959 #ifdef HDIO_SET_QDMA
1965 USE_FEATURE_HDPARM_HDIO_DRIVE_RESET("w")
1966 USE_FEATURE_HDPARM_HDIO_TRISTATE_HWIF("x::b:")
1967 USE_FEATURE_HDPARM_HDIO_SCAN_HWIF("R:");
1968 /*-------------------------------------*/
1970 /* our main() routine: */
1971 int hdparm_main(int argc, char **argv);
1972 int hdparm_main(int argc, char **argv)
1977 while ((c = getopt(argc, argv, hdparm_options)) >= 0) {
1979 if (c == 'h') bb_show_usage(); /* EXIT */
1980 USE_FEATURE_HDPARM_GET_IDENTITY(get_IDentity |= (c == 'I'));
1981 USE_FEATURE_HDPARM_GET_IDENTITY(get_identity |= (c == 'i'));
1982 get_geom |= (c == 'g');
1983 do_flush |= (c == 'f');
1984 if (c == 'u') parse_opts(&get_unmask, &set_unmask, &unmask, 0, 1);
1985 USE_FEATURE_HDPARM_HDIO_GETSET_DMA(if (c == 'd') parse_opts(&get_dma, &set_dma, &dma, 0, 9));
1986 if (c == 'n') parse_opts(&get_nowerr, &set_nowerr, &nowerr, 0, 1);
1987 parse_xfermode((c == 'p'), &noisy_piomode, &set_piomode, &piomode);
1988 if (c == 'r') parse_opts(&get_readonly, &set_readonly, &readonly, 0, 1);
1989 if (c == 'm') parse_opts(&get_mult, &set_mult, &mult, 0, INT_MAX /*32*/);
1990 if (c == 'c') parse_opts(&get_io32bit, &set_io32bit, &io32bit, 0, INT_MAX /*8*/);
1991 if (c == 'k') parse_opts(&get_keep, &set_keep, &keep, 0, 1);
1992 if (c == 'a') parse_opts(&get_readahead, &set_readahead, &Xreadahead, 0, INT_MAX);
1993 if (c == 'B') parse_opts(&get_apmmode, &set_apmmode, &apmmode, 1, 255);
1994 do_flush |= do_timings |= (c == 't');
1995 do_flush |= do_ctimings |= (c == 'T');
1996 #ifdef HDIO_DRIVE_CMD
1997 if (c == 'S') parse_opts(&get_standby, &set_standby, &standby_requested, 0, INT_MAX);
1998 if (c == 'D') parse_opts(&get_defects, &set_defects, &defects, 0, INT_MAX);
1999 if (c == 'P') parse_opts(&get_prefetch, &set_prefetch, &prefetch, 0, INT_MAX);
2000 parse_xfermode((c == 'X'), &get_xfermode, &set_xfermode, &xfermode_requested);
2001 if (c == 'K') parse_opts(&get_dkeep, &set_dkeep, &prefetch, 0, 1);
2002 if (c == 'A') parse_opts(&get_lookahead, &set_lookahead, &lookahead, 0, 1);
2003 if (c == 'L') parse_opts(&get_doorlock, &set_doorlock, &doorlock, 0, 1);
2004 if (c == 'W') parse_opts(&get_wcache, &set_wcache, &wcache, 0, 1);
2005 get_powermode |= (c == 'C');
2006 get_standbynow = set_standbynow |= (c == 'y');
2007 get_sleepnow = set_sleepnow |= (c == 'Y');
2008 reread_partn |= (c == 'z');
2009 get_seagate = set_seagate |= (c == 'Z');
2011 USE_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF(if (c == 'U') parse_opts(NULL, &unregister_hwif, &hwif, 0, INT_MAX));
2012 #ifdef HDIO_GET_QDMA
2014 #ifdef HDIO_SET_QDMA
2015 parse_opts(&get_dma_q, &set_dma_q, &dma_q, 0, INT_MAX);
2017 parse_opts(&get_dma_q, NULL, NULL, 0, 0);
2021 USE_FEATURE_HDPARM_HDIO_DRIVE_RESET(perform_reset = (c == 'r'));
2022 USE_FEATURE_HDPARM_HDIO_TRISTATE_HWIF(if (c == 'x') parse_opts(NULL, &perform_tristate, &tristate, 0, 1));
2023 USE_FEATURE_HDPARM_HDIO_TRISTATE_HWIF(if (c == 'b') parse_opts(&get_busstate, &set_busstate, &busstate, 0, 2));
2024 #if ENABLE_FEATURE_HDPARM_HDIO_SCAN_HWIF
2026 parse_opts(NULL, &scan_hwif, &hwif_data, 0, INT_MAX);
2027 hwif_ctrl = xatoi_u((argv[optind]) ? argv[optind] : "");
2028 hwif_irq = xatoi_u((argv[optind+1]) ? argv[optind+1] : "");
2029 /* Move past the 2 additional arguments */
2035 /* When no flags are given (flagcount = 0), -acdgkmnru is assumed. */
2037 get_mult = get_io32bit = get_unmask = get_keep = get_readonly = get_readahead = get_geom = 1;
2038 USE_FEATURE_HDPARM_HDIO_GETSET_DMA(get_dma = 1);
2043 if (ENABLE_FEATURE_HDPARM_GET_IDENTITY && !isatty(STDIN_FILENO))
2044 identify_from_stdin(); /* EXIT */
2045 else bb_show_usage();
2049 process_dev(*argv++);
2052 return EXIT_SUCCESS;