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
22 #include <sys/ioctl.h>
24 #include <sys/sysmacros.h>
26 #include <sys/times.h>
27 #include <sys/mount.h>
30 #include <linux/types.h>
31 #include <linux/hdreg.h>
32 #include <asm/byteorder.h>
35 #if BB_BIG_ENDIAN && !defined(__USE_XOPEN)
42 #define ATA_DEV 0x0000
43 #define ATAPI_DEV 0x0001
45 /* word definitions */
46 /* ---------------- */
47 #define GEN_CONFIG 0 /* general configuration */
48 #define LCYLS 1 /* number of logical cylinders */
49 #define CONFIG 2 /* specific configuration */
50 #define LHEADS 3 /* number of logical heads */
51 #define TRACK_BYTES 4 /* number of bytes/track (ATA-1) */
52 #define SECT_BYTES 5 /* number of bytes/sector (ATA-1) */
53 #define LSECTS 6 /* number of logical sectors/track */
54 #define START_SERIAL 10 /* ASCII serial number */
55 #define LENGTH_SERIAL 10 /* 10 words (20 bytes or characters) */
56 #define BUF_TYPE 20 /* buffer type (ATA-1) */
57 #define BUFFER__SIZE 21 /* buffer size (ATA-1) */
58 #define RW_LONG 22 /* extra bytes in R/W LONG cmd ( < ATA-4)*/
59 #define START_FW_REV 23 /* ASCII firmware revision */
60 #define LENGTH_FW_REV 4 /* 4 words (8 bytes or characters) */
61 #define START_MODEL 27 /* ASCII model number */
62 #define LENGTH_MODEL 20 /* 20 words (40 bytes or characters) */
63 #define SECTOR_XFER_MAX 47 /* r/w multiple: max sectors xfered */
64 #define DWORD_IO 48 /* can do double-word IO (ATA-1 only) */
65 #define CAPAB_0 49 /* capabilities */
67 #define PIO_MODE 51 /* max PIO mode supported (obsolete)*/
68 #define DMA_MODE 52 /* max Singleword DMA mode supported (obs)*/
69 #define WHATS_VALID 53 /* what fields are valid */
70 #define LCYLS_CUR 54 /* current logical cylinders */
71 #define LHEADS_CUR 55 /* current logical heads */
72 #define LSECTS_CUR 56 /* current logical sectors/track */
73 #define CAPACITY_LSB 57 /* current capacity in sectors */
74 #define CAPACITY_MSB 58
75 #define SECTOR_XFER_CUR 59 /* r/w multiple: current sectors xfered */
76 #define LBA_SECTS_LSB 60 /* LBA: total number of user */
77 #define LBA_SECTS_MSB 61 /* addressable sectors */
78 #define SINGLE_DMA 62 /* singleword DMA modes */
79 #define MULTI_DMA 63 /* multiword DMA modes */
80 #define ADV_PIO_MODES 64 /* advanced PIO modes supported */
81 /* multiword DMA xfer cycle time: */
82 #define DMA_TIME_MIN 65 /* - minimum */
83 #define DMA_TIME_NORM 66 /* - manufacturer's recommended */
84 /* minimum PIO xfer cycle time: */
85 #define PIO_NO_FLOW 67 /* - without flow control */
86 #define PIO_FLOW 68 /* - with IORDY flow control */
87 #define PKT_REL 71 /* typical #ns from PKT cmd to bus rel */
88 #define SVC_NBSY 72 /* typical #ns from SERVICE cmd to !BSY */
89 #define CDR_MAJOR 73 /* CD ROM: major version number */
90 #define CDR_MINOR 74 /* CD ROM: minor version number */
91 #define QUEUE_DEPTH 75 /* queue depth */
92 #define MAJOR 80 /* major version number */
93 #define MINOR 81 /* minor version number */
94 #define CMDS_SUPP_0 82 /* command/feature set(s) supported */
95 #define CMDS_SUPP_1 83
96 #define CMDS_SUPP_2 84
97 #define CMDS_EN_0 85 /* command/feature set(s) enabled */
100 #define ULTRA_DMA 88 /* ultra DMA modes */
101 /* time to complete security erase */
102 #define ERASE_TIME 89 /* - ordinary */
103 #define ENH_ERASE_TIME 90 /* - enhanced */
104 #define ADV_PWR 91 /* current advanced power management level
105 in low byte, 0x40 in high byte. */
106 #define PSWD_CODE 92 /* master password revision code */
107 #define HWRST_RSLT 93 /* hardware reset result */
108 #define ACOUSTIC 94 /* acoustic mgmt values ( >= ATA-6) */
109 #define LBA_LSB 100 /* LBA: maximum. Currently only 48 */
110 #define LBA_MID 101 /* bits are used, but addr 103 */
111 #define LBA_48_MSB 102 /* has been reserved for LBA in */
112 #define LBA_64_MSB 103 /* the future. */
113 #define RM_STAT 127 /* removable media status notification feature set support */
114 #define SECU_STATUS 128 /* security status */
115 #define CFA_PWR_MODE 160 /* CFA power mode 1 */
116 #define START_MEDIA 176 /* media serial number */
117 #define LENGTH_MEDIA 20 /* 20 words (40 bytes or characters)*/
118 #define START_MANUF 196 /* media manufacturer I.D. */
119 #define LENGTH_MANUF 10 /* 10 words (20 bytes or characters) */
120 #define INTEGRITY 255 /* integrity word */
122 /* bit definitions within the words */
123 /* -------------------------------- */
125 /* many words are considered valid if bit 15 is 0 and bit 14 is 1 */
127 #define VALID_VAL 0x4000
128 /* many words are considered invalid if they are either all-0 or all-1 */
129 #define NOVAL_0 0x0000
130 #define NOVAL_1 0xffff
132 /* word 0: gen_config */
133 #define NOT_ATA 0x8000
134 #define NOT_ATAPI 0x4000 /* (check only if bit 15 == 1) */
135 #define MEDIA_REMOVABLE 0x0080
136 #define DRIVE_NOT_REMOVABLE 0x0040 /* bit obsoleted in ATA 6 */
137 #define INCOMPLETE 0x0004
138 #define CFA_SUPPORT_VAL 0x848a /* 848a=CFA feature set support */
139 #define DRQ_RESPONSE_TIME 0x0060
140 #define DRQ_3MS_VAL 0x0000
141 #define DRQ_INTR_VAL 0x0020
142 #define DRQ_50US_VAL 0x0040
143 #define PKT_SIZE_SUPPORTED 0x0003
144 #define PKT_SIZE_12_VAL 0x0000
145 #define PKT_SIZE_16_VAL 0x0001
146 #define EQPT_TYPE 0x1f00
151 #ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
152 static const char * const pkt_str[] = {
153 "Direct-access device", /* word 0, bits 12-8 = 00 */
154 "Sequential-access device", /* word 0, bits 12-8 = 01 */
155 "Printer", /* word 0, bits 12-8 = 02 */
156 "Processor", /* word 0, bits 12-8 = 03 */
157 "Write-once device", /* word 0, bits 12-8 = 04 */
158 "CD-ROM", /* word 0, bits 12-8 = 05 */
159 "Scanner", /* word 0, bits 12-8 = 06 */
160 "Optical memory", /* word 0, bits 12-8 = 07 */
161 "Medium changer", /* word 0, bits 12-8 = 08 */
162 "Communications device", /* word 0, bits 12-8 = 09 */
163 "ACS-IT8 device", /* word 0, bits 12-8 = 0a */
164 "ACS-IT8 device", /* word 0, bits 12-8 = 0b */
165 "Array controller", /* word 0, bits 12-8 = 0c */
166 "Enclosure services", /* word 0, bits 12-8 = 0d */
167 "Reduced block command device", /* word 0, bits 12-8 = 0e */
168 "Optical card reader/writer", /* word 0, bits 12-8 = 0f */
169 "", /* word 0, bits 12-8 = 10 */
170 "", /* word 0, bits 12-8 = 11 */
171 "", /* word 0, bits 12-8 = 12 */
172 "", /* word 0, bits 12-8 = 13 */
173 "", /* word 0, bits 12-8 = 14 */
174 "", /* word 0, bits 12-8 = 15 */
175 "", /* word 0, bits 12-8 = 16 */
176 "", /* word 0, bits 12-8 = 17 */
177 "", /* word 0, bits 12-8 = 18 */
178 "", /* word 0, bits 12-8 = 19 */
179 "", /* word 0, bits 12-8 = 1a */
180 "", /* word 0, bits 12-8 = 1b */
181 "", /* word 0, bits 12-8 = 1c */
182 "", /* word 0, bits 12-8 = 1d */
183 "", /* word 0, bits 12-8 = 1e */
184 "Unknown", /* word 0, bits 12-8 = 1f */
187 static const char * const ata1_cfg_str[] = { /* word 0 in ATA-1 mode */
188 "Reserved", /* bit 0 */
189 "hard sectored", /* bit 1 */
190 "soft sectored", /* bit 2 */
191 "not MFM encoded ", /* bit 3 */
192 "head switch time > 15us", /* bit 4 */
193 "spindle motor control option", /* bit 5 */
194 "fixed drive", /* bit 6 */
195 "removable drive", /* bit 7 */
196 "disk xfer rate <= 5Mbs", /* bit 8 */
197 "disk xfer rate > 5Mbs, <= 10Mbs", /* bit 9 */
198 "disk xfer rate > 5Mbs", /* bit 10 */
199 "rotational speed tol.", /* bit 11 */
200 "data strobe offset option", /* bit 12 */
201 "track offset option", /* bit 13 */
202 "format speed tolerance gap reqd", /* bit 14 */
207 /* word 1: number of logical cylinders */
208 #define LCYLS_MAX 0x3fff /* maximum allowable value */
210 /* word 2: specific configuration
211 * (a) require SET FEATURES to spin-up
212 * (b) require spin-up to fully reply to IDENTIFY DEVICE
214 #define STBY_NID_VAL 0x37c8 /* (a) and (b) */
215 #define STBY_ID_VAL 0x738c /* (a) and not (b) */
216 #define PWRD_NID_VAL 0x8c73 /* not (a) and (b) */
217 #define PWRD_ID_VAL 0xc837 /* not (a) and not (b) */
219 /* words 47 & 59: sector_xfer_max & sector_xfer_cur */
220 #define SECTOR_XFER 0x00ff /* sectors xfered on r/w multiple cmds*/
221 #define MULTIPLE_SETTING_VALID 0x0100 /* 1=multiple sector setting is valid */
223 /* word 49: capabilities 0 */
224 #define STD_STBY 0x2000 /* 1=standard values supported (ATA);
225 0=vendor specific values */
226 #define IORDY_SUP 0x0800 /* 1=support; 0=may be supported */
227 #define IORDY_OFF 0x0400 /* 1=may be disabled */
228 #define LBA_SUP 0x0200 /* 1=Logical Block Address support */
229 #define DMA_SUP 0x0100 /* 1=Direct Memory Access support */
230 #define DMA_IL_SUP 0x8000 /* 1=interleaved DMA support (ATAPI) */
231 #define CMD_Q_SUP 0x4000 /* 1=command queuing support (ATAPI) */
232 #define OVLP_SUP 0x2000 /* 1=overlap operation support (ATAPI) */
233 #define SWRST_REQ 0x1000 /* 1=ATA SW reset required (ATAPI, obsolete */
235 /* word 50: capabilities 1 */
236 #define MIN_STANDBY_TIMER 0x0001 /* 1=device specific standby timer value minimum */
238 /* words 51 & 52: PIO & DMA cycle times */
239 #define MODE 0xff00 /* the mode is in the MSBs */
241 /* word 53: whats_valid */
242 #define OK_W88 0x0004 /* the ultra_dma info is valid */
243 #define OK_W64_70 0x0002 /* see above for word descriptions */
244 #define OK_W54_58 0x0001 /* current cyl, head, sector, cap. info valid */
246 /*word 63,88: dma_mode, ultra_dma_mode*/
247 #define MODE_MAX 7 /* bit definitions force udma <=7 (when
248 * udma >=8 comes out it'll have to be
249 * defined in a new dma_mode word!) */
251 /* word 64: PIO transfer modes */
252 #define PIO_SUP 0x00ff /* only bits 0 & 1 are used so far, */
253 #define PIO_MODE_MAX 8 /* but all 8 bits are defined */
255 /* word 75: queue_depth */
256 #define DEPTH_BITS 0x001f /* bits used for queue depth */
258 /* words 80-81: version numbers */
259 /* NOVAL_0 or NOVAL_1 means device does not report version */
261 /* word 81: minor version number */
262 #define MINOR_MAX 0x22
263 #ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
264 static const char *minor_str[MINOR_MAX+2] = { /* word 81 value: */
265 "Unspecified", /* 0x0000 */
266 "ATA-1 X3T9.2 781D prior to rev.4", /* 0x0001 */
267 "ATA-1 published, ANSI X3.221-1994", /* 0x0002 */
268 "ATA-1 X3T9.2 781D rev.4", /* 0x0003 */
269 "ATA-2 published, ANSI X3.279-1996", /* 0x0004 */
270 "ATA-2 X3T10 948D prior to rev.2k", /* 0x0005 */
271 "ATA-3 X3T10 2008D rev.1", /* 0x0006 */
272 "ATA-2 X3T10 948D rev.2k", /* 0x0007 */
273 "ATA-3 X3T10 2008D rev.0", /* 0x0008 */
274 "ATA-2 X3T10 948D rev.3", /* 0x0009 */
275 "ATA-3 published, ANSI X3.298-199x", /* 0x000a */
276 "ATA-3 X3T10 2008D rev.6", /* 0x000b */
277 "ATA-3 X3T13 2008D rev.7 and 7a", /* 0x000c */
278 "ATA/ATAPI-4 X3T13 1153D rev.6", /* 0x000d */
279 "ATA/ATAPI-4 T13 1153D rev.13", /* 0x000e */
280 "ATA/ATAPI-4 X3T13 1153D rev.7", /* 0x000f */
281 "ATA/ATAPI-4 T13 1153D rev.18", /* 0x0010 */
282 "ATA/ATAPI-4 T13 1153D rev.15", /* 0x0011 */
283 "ATA/ATAPI-4 published, ANSI INCITS 317-1998", /* 0x0012 */
284 "ATA/ATAPI-5 T13 1321D rev.3",
285 "ATA/ATAPI-4 T13 1153D rev.14", /* 0x0014 */
286 "ATA/ATAPI-5 T13 1321D rev.1", /* 0x0015 */
287 "ATA/ATAPI-5 published, ANSI INCITS 340-2000", /* 0x0016 */
288 "ATA/ATAPI-4 T13 1153D rev.17", /* 0x0017 */
289 "ATA/ATAPI-6 T13 1410D rev.0", /* 0x0018 */
290 "ATA/ATAPI-6 T13 1410D rev.3a", /* 0x0019 */
291 "ATA/ATAPI-7 T13 1532D rev.1", /* 0x001a */
292 "ATA/ATAPI-6 T13 1410D rev.2", /* 0x001b */
293 "ATA/ATAPI-6 T13 1410D rev.1", /* 0x001c */
294 "ATA/ATAPI-7 published, ANSI INCITS 397-2005", /* 0x001d */
295 "ATA/ATAPI-7 T13 1532D rev.0", /* 0x001e */
296 "Reserved" /* 0x001f */
297 "Reserved" /* 0x0020 */
298 "ATA/ATAPI-7 T13 1532D rev.4a", /* 0x0021 */
299 "ATA/ATAPI-6 published, ANSI INCITS 361-2002", /* 0x0022 */
300 "Reserved" /* 0x0023-0xfffe*/
303 static const char actual_ver[MINOR_MAX+2] = {
305 0, /* 0x0000 WARNING: */
306 1, /* 0x0001 WARNING: */
307 1, /* 0x0002 WARNING: */
308 1, /* 0x0003 WARNING: */
309 2, /* 0x0004 WARNING: This array */
310 2, /* 0x0005 WARNING: corresponds */
311 3, /* 0x0006 WARNING: *exactly* */
312 2, /* 0x0007 WARNING: to the ATA/ */
313 3, /* 0x0008 WARNING: ATAPI version */
314 2, /* 0x0009 WARNING: listed in */
315 3, /* 0x000a WARNING: the */
316 3, /* 0x000b WARNING: minor_str */
317 3, /* 0x000c WARNING: array */
318 4, /* 0x000d WARNING: above. */
319 4, /* 0x000e WARNING: */
320 4, /* 0x000f WARNING: if you change */
321 4, /* 0x0010 WARNING: that one, */
322 4, /* 0x0011 WARNING: change this one */
323 4, /* 0x0012 WARNING: too!!! */
324 5, /* 0x0013 WARNING: */
325 4, /* 0x0014 WARNING: */
326 5, /* 0x0015 WARNING: */
327 5, /* 0x0016 WARNING: */
328 4, /* 0x0017 WARNING: */
329 6, /* 0x0018 WARNING: */
330 6, /* 0x0019 WARNING: */
331 7, /* 0x001a WARNING: */
332 6, /* 0x001b WARNING: */
333 6, /* 0x001c WARNING: */
334 7, /* 0x001d WARNING: */
335 7, /* 0x001e WARNING: */
336 0, /* 0x001f WARNING: */
337 0, /* 0x0020 WARNING: */
338 7, /* 0x0021 WARNING: */
339 6, /* 0x0022 WARNING: */
340 0 /* 0x0023-0xfffe */
343 /* words 82-84: cmds/feats supported */
344 #define CMDS_W82 0x77ff /* word 82: defined command locations*/
345 #define CMDS_W83 0x3fff /* word 83: defined command locations*/
346 #define CMDS_W84 0x002f /* word 83: defined command locations*/
347 #define SUPPORT_48_BIT 0x0400
348 #define NUM_CMD_FEAT_STR 48
350 #ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
351 static const char * const cmd_feat_str[] = {
352 "", /* word 82 bit 15: obsolete */
353 "NOP cmd", /* word 82 bit 14 */
354 "READ BUFFER cmd", /* word 82 bit 13 */
355 "WRITE BUFFER cmd", /* word 82 bit 12 */
356 "", /* word 82 bit 11: obsolete */
357 "Host Protected Area feature set", /* word 82 bit 10 */
358 "DEVICE RESET cmd", /* word 82 bit 9 */
359 "SERVICE interrupt", /* word 82 bit 8 */
360 "Release interrupt", /* word 82 bit 7 */
361 "Look-ahead", /* word 82 bit 6 */
362 "Write cache", /* word 82 bit 5 */
363 "PACKET command feature set", /* word 82 bit 4 */
364 "Power Management feature set", /* word 82 bit 3 */
365 "Removable Media feature set", /* word 82 bit 2 */
366 "Security Mode feature set", /* word 82 bit 1 */
367 "SMART feature set", /* word 82 bit 0 */
369 "", /* word 83 bit 15: !valid bit */
370 "", /* word 83 bit 14: valid bit */
371 "FLUSH CACHE EXT cmd", /* word 83 bit 13 */
372 "Mandatory FLUSH CACHE cmd ", /* word 83 bit 12 */
373 "Device Configuration Overlay feature set ",
374 "48-bit Address feature set ", /* word 83 bit 10 */
376 "SET MAX security extension", /* word 83 bit 8 */
377 "Address Offset Reserved Area Boot", /* word 83 bit 7 */
378 "SET FEATURES subcommand required to spinup after power up",
379 "Power-Up In Standby feature set", /* word 83 bit 5 */
380 "Removable Media Status Notification feature set",
381 "Adv. Power Management feature set",/* word 83 bit 3 */
382 "CFA feature set", /* word 83 bit 2 */
383 "READ/WRITE DMA QUEUED", /* word 83 bit 1 */
384 "DOWNLOAD MICROCODE cmd", /* word 83 bit 0 */
386 "", /* word 84 bit 15: !valid bit */
387 "", /* word 84 bit 14: valid bit */
388 "", /* word 84 bit 13: reserved */
389 "", /* word 84 bit 12: reserved */
390 "", /* word 84 bit 11: reserved */
391 "", /* word 84 bit 10: reserved */
392 "", /* word 84 bit 9: reserved */
393 "", /* word 84 bit 8: reserved */
394 "", /* word 84 bit 7: reserved */
395 "", /* word 84 bit 6: reserved */
396 "General Purpose Logging feature set", /* word 84 bit 5 */
397 "", /* word 84 bit 4: reserved */
398 "Media Card Pass Through Command feature set ",
399 "Media serial number ", /* word 84 bit 2 */
400 "SMART self-test ", /* word 84 bit 1 */
401 "SMART error logging " /* word 84 bit 0 */
404 static void identify(uint16_t *id_supplied) ATTRIBUTE_NORETURN;
405 static void identify_from_stdin(void) ATTRIBUTE_NORETURN;
410 /* words 85-87: cmds/feats enabled */
411 /* use cmd_feat_str[] to display what commands and features have
412 * been enabled with words 85-87
415 /* words 89, 90, SECU ERASE TIME */
416 #define ERASE_BITS 0x00ff
418 /* word 92: master password revision */
419 /* NOVAL_0 or NOVAL_1 means no support for master password revision */
421 /* word 93: hw reset result */
422 #define CBLID 0x2000 /* CBLID status */
423 #define RST0 0x0001 /* 1=reset to device #0 */
424 #define DEV_DET 0x0006 /* how device num determined */
425 #define JUMPER_VAL 0x0002 /* device num determined by jumper */
426 #define CSEL_VAL 0x0004 /* device num determined by CSEL_VAL */
428 /* word 127: removable media status notification feature set support */
429 #define RM_STAT_BITS 0x0003
430 #define RM_STAT_SUP 0x0001
432 /* word 128: security */
433 #define SECU_ENABLED 0x0002
434 #define SECU_LEVEL 0x0010
435 #define NUM_SECU_STR 6
436 #ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
437 static const char * const secu_str[] = {
438 "supported", /* word 128, bit 0 */
439 "enabled", /* word 128, bit 1 */
440 "locked", /* word 128, bit 2 */
441 "frozen", /* word 128, bit 3 */
442 "expired: security count", /* word 128, bit 4 */
443 "supported: enhanced erase" /* word 128, bit 5 */
447 /* word 160: CFA power mode */
448 #define VALID_W160 0x8000 /* 1=word valid */
449 #define PWR_MODE_REQ 0x2000 /* 1=CFA power mode req'd by some cmds*/
450 #define PWR_MODE_OFF 0x1000 /* 1=CFA power moded disabled */
451 #define MAX_AMPS 0x0fff /* value = max current in ma */
453 /* word 255: integrity */
454 #define SIG 0x00ff /* signature location */
455 #define SIG_VAL 0x00A5 /* signature value */
457 #define VERSION "v5.4"
460 #define TIMING_BUF_MB 1
461 #define TIMING_BUF_BYTES (TIMING_BUF_MB * 1024 * 1024)
462 #define TIMING_BUF_COUNT (timing_MB / TIMING_BUF_MB)
463 #define BUFCACHE_FACTOR 2
465 #undef DO_FLUSHCACHE /* under construction: force cache flush on -W0 */
467 /* Busybox messages and functions */
468 static int bb_ioctl(int fd, int request, void *argp, const char *string)
470 int e = ioctl(fd, request, argp);
472 bb_perror_msg(" %s", string);
476 static int bb_ioctl_alt(int fd, int cmd, unsigned char *args, int alt, const char *string)
478 if (!ioctl(fd, cmd, args))
481 return bb_ioctl(fd, cmd, args, string);
484 static void on_off(unsigned int value);
486 static void print_flag_on_off(unsigned long get_arg, const char *s, unsigned long arg)
491 printf(" setting %s to %ld", s, arg);
496 static void bb_ioctl_on_off(int fd, int request, void *argp, const char *string,
499 if (ioctl(fd, request, &argp) != 0)
500 bb_perror_msg(" %s", string);
503 printf(" %s\t= %2ld", str, (unsigned long) argp);
504 on_off((unsigned long) argp);
508 #ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
509 static void print_ascii(uint16_t *p, uint8_t length);
511 static void xprint_ascii(uint16_t *val ,int i, char * string, int n)
515 printf("\t%-20s",string);
516 print_ascii(&val[i], n);
520 static void if_strcat(unsigned long test, char *modes, char *string)
523 strcat(modes,string);
526 /* end of busybox specific stuff */
528 #ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
529 static uint8_t mode_loop(uint16_t mode_sup, uint16_t mode_sel, int cc, uint8_t *have_mode)
534 for (ii = 0; ii <= MODE_MAX; ii++)
536 if (mode_sel & 0x0001)
538 printf("*%cdma%u ",cc,ii);
543 else if (mode_sup & 0x0001)
544 printf("%cdma%u ",cc,ii);
552 static void print_ascii(uint16_t *p, uint8_t length) {
556 /* find first non-space & print it */
557 for (ii = 0; ii< length; ii++)
559 if (((char) 0x00ff&((*p)>>8)) != ' ')
561 if ((cl = (char) 0x00ff&(*p)) != ' ')
563 if (cl != '\0') printf("%c",cl);
571 for (; ii< length; ii++)
574 break; /* some older devices have NULLs */
575 printf("%c%c",(char)0x00ff&((*p)>>8),(char)(*p)&0x00ff);
581 /* identify() is the only extern function used across two source files. The
582 others, though, were declared in hdparm.c with global scope; since other
583 functions in that file have static (file) scope, I assume the difference is
585 static void identify(uint16_t *id_supplied)
588 uint16_t *val, ii, jj, kk;
589 uint16_t like_std = 1, std = 0, min_std = 0xffff;
590 uint16_t dev = NO_DEV, eqpt = NO_DEV;
591 uint8_t have_mode = 0, err_dma = 0;
593 uint32_t ll, mm, nn, oo;
594 uint64_t bbbig; /* (:) */
598 swab(id_supplied, buf, sizeof(buf));
600 } else val = id_supplied;
604 /* check if we recognise the device type */
606 if(!(val[GEN_CONFIG] & NOT_ATA))
609 printf("ATA device, with ");
611 else if(val[GEN_CONFIG]==CFA_SUPPORT_VAL)
615 printf("CompactFlash ATA device, with ");
617 else if(!(val[GEN_CONFIG] & NOT_ATAPI))
620 eqpt = (val[GEN_CONFIG] & EQPT_TYPE) >> SHIFT_EQPT;
621 printf("ATAPI %s, with ", pkt_str[eqpt]);
625 /*"Unknown device type:\n\tbits 15&14 of general configuration word 0 both set to 1.\n"*/
626 bb_error_msg_and_die("Unknown device type");
628 printf("%sremovable media\n", !(val[GEN_CONFIG] & MEDIA_REMOVABLE) ? "non-" : "");
629 /* Info from the specific configuration word says whether or not the
630 * ID command completed correctly. It is only defined, however in
631 * ATA/ATAPI-5 & 6; it is reserved (value theoretically 0) in prior
632 * standards. Since the values allowed for this word are extremely
633 * specific, it should be safe to check it now, even though we don't
634 * know yet what standard this device is using.
636 if ((val[CONFIG]==STBY_NID_VAL) || (val[CONFIG]==STBY_ID_VAL) ||
637 (val[CONFIG]==PWRD_NID_VAL) || (val[CONFIG]==PWRD_ID_VAL) )
640 if((val[CONFIG]==STBY_NID_VAL) || (val[CONFIG]==STBY_ID_VAL))
641 printf("powers-up in standby; SET FEATURES subcmd spins-up.\n");
642 if(((val[CONFIG]==STBY_NID_VAL) || (val[CONFIG]==PWRD_NID_VAL)) && (val[GEN_CONFIG] & INCOMPLETE))
643 printf("\n\tWARNING: ID response incomplete.\n\tFollowing data may be incorrect.\n\n");
646 /* output the model and serial numbers and the fw revision */
647 xprint_ascii(val, START_MODEL, "Model Number:", LENGTH_MODEL);
648 xprint_ascii(val, START_SERIAL, "Serial Number:", LENGTH_SERIAL);
649 xprint_ascii(val, START_FW_REV, "Firmware Revision:", LENGTH_FW_REV);
650 xprint_ascii(val, START_MEDIA, "Media Serial Num:", LENGTH_MEDIA);
651 xprint_ascii(val, START_MANUF, "Media Manufacturer:", LENGTH_MANUF);
653 /* major & minor standards version number (Note: these words were not
654 * defined until ATA-3 & the CDROM std uses different words.) */
655 printf("Standards:");
658 if (val[MINOR] && (val[MINOR] <= MINOR_MAX))
660 if(like_std < 3) like_std = 3;
661 std = actual_ver[val[MINOR]];
662 if(std) printf("\n\tUsed: %s ",minor_str[val[MINOR]]);
665 /* looks like when they up-issue the std, they obsolete one;
666 * thus, only the newest 4 issues need be supported. (That's
667 * what "kk" and "min_std" are all about.) */
668 if (val[MAJOR] && (val[MAJOR] !=NOVAL_1))
670 printf("\n\tSupported: ");
671 jj = val[MAJOR] << 1;
672 kk = like_std >4 ? like_std-4: 0;
673 for (ii = 14; (ii >0)&&(ii>kk); ii--)
681 kk = like_std >4 ? like_std-4: 0;
683 if(min_std > ii) min_std = ii;
687 if(like_std < 3) like_std = 3;
689 /* Figure out what standard the device is using if it hasn't told
690 * us. If we know the std, check if the device is using any of
691 * the words from the next level up. It happens.
693 if(like_std < std) like_std = std;
695 if (((std == 5) || (!std && (like_std < 6))) &&
696 ((((val[CMDS_SUPP_1] & VALID) == VALID_VAL) &&
697 (( val[CMDS_SUPP_1] & CMDS_W83) > 0x00ff)) ||
698 ((( val[CMDS_SUPP_2] & VALID) == VALID_VAL) &&
699 ( val[CMDS_SUPP_2] & CMDS_W84) ) ) )
703 else if (((std == 4) || (!std && (like_std < 5))) &&
704 ((((val[INTEGRITY] & SIG) == SIG_VAL) && !chksum) ||
705 (( val[HWRST_RSLT] & VALID) == VALID_VAL) ||
706 ((( val[CMDS_SUPP_1] & VALID) == VALID_VAL) &&
707 (( val[CMDS_SUPP_1] & CMDS_W83) > 0x001f)) ) )
711 else if (((std == 3) || (!std && (like_std < 4))) &&
712 ((((val[CMDS_SUPP_1] & VALID) == VALID_VAL) &&
713 ((( val[CMDS_SUPP_1] & CMDS_W83) > 0x0000) ||
714 (( val[CMDS_SUPP_0] & CMDS_W82) > 0x000f))) ||
715 (( val[CAPAB_1] & VALID) == VALID_VAL) ||
716 (( val[WHATS_VALID] & OK_W88) && val[ULTRA_DMA]) ||
717 (( val[RM_STAT] & RM_STAT_BITS) == RM_STAT_SUP) ) )
721 else if (((std == 2) || (!std && (like_std < 3))) &&
722 ((val[CMDS_SUPP_1] & VALID) == VALID_VAL) )
726 else if (((std == 1) || (!std && (like_std < 2))) &&
727 ((val[CAPAB_0] & (IORDY_SUP | IORDY_OFF)) ||
728 (val[WHATS_VALID] & OK_W64_70)) )
733 printf("\n\tLikely used: %u\n",like_std);
734 else if (like_std > std)
735 printf("& some of %u\n",like_std);
741 /* TBD: do CDROM stuff more thoroughly. For now... */
743 if (val[CDR_MINOR] == 9)
746 printf("\n\tUsed: ATAPI for CD-ROMs, SFF-8020i, r2.5");
748 if (val[CDR_MAJOR] && (val[CDR_MAJOR] !=NOVAL_1))
751 printf("\n\tSupported: CD-ROM ATAPI");
752 jj = val[CDR_MAJOR] >> 1;
753 for (ii = 1; ii <15; ii++)
755 if(jj & 0x0001) printf("-%u ", ii);
759 printf("%s\n", (!kk) ? "\n\tLikely used CD-ROM ATAPI-1" : "" );
760 /* the cdrom stuff is more like ATA-2 than anything else, so: */
764 if (min_std == 0xffff)
765 min_std = like_std > 4 ? like_std - 3 : 1;
767 printf("Configuration:\n");
768 /* more info from the general configuration word */
769 if ((eqpt != CDROM) && (like_std == 1))
771 jj = val[GEN_CONFIG] >> 1;
772 for (ii = 1; ii < 15; ii++)
774 if(jj & 0x0001) printf("\t%s\n",ata1_cfg_str[ii]);
778 if (dev == ATAPI_DEV)
780 if ((val[GEN_CONFIG] & DRQ_RESPONSE_TIME) == DRQ_3MS_VAL)
782 else if ((val[GEN_CONFIG] & DRQ_RESPONSE_TIME) == DRQ_INTR_VAL)
783 strng = "<=10ms with INTRQ";
784 else if ((val[GEN_CONFIG] & DRQ_RESPONSE_TIME) == DRQ_50US_VAL)
788 printf("\tDRQ response: %s\n\tPacket size: ", strng); /* Data Request (DRQ) */
790 if ((val[GEN_CONFIG] & PKT_SIZE_SUPPORTED) == PKT_SIZE_12_VAL)
792 else if ((val[GEN_CONFIG] & PKT_SIZE_SUPPORTED) == PKT_SIZE_16_VAL)
800 /* addressing...CHS? See section 6.2 of ATA specs 4 or 5 */
801 ll = (uint32_t)val[LBA_SECTS_MSB] << 16 | val[LBA_SECTS_LSB];
803 if ( (ll > 0x00FBFC10) && (!val[LCYLS]))
804 printf("\tCHS addressing not supported\n");
807 jj = val[WHATS_VALID] & OK_W54_58;
808 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",
809 val[LCYLS],jj?val[LCYLS_CUR]:0, val[LHEADS],jj?val[LHEADS_CUR]:0, val[LSECTS],jj?val[LSECTS_CUR]:0);
811 if ((min_std == 1) && (val[TRACK_BYTES] || val[SECT_BYTES]))
812 printf("\tbytes/track: %u\tbytes/sector: %u\n",val[TRACK_BYTES], val[SECT_BYTES]);
816 mm = (uint32_t)val[CAPACITY_MSB] << 16 | val[CAPACITY_LSB];
819 /* check Endian of capacity bytes */
820 nn = val[LCYLS_CUR] * val[LHEADS_CUR] * val[LSECTS_CUR];
821 oo = (uint32_t)val[CAPACITY_LSB] << 16 | val[CAPACITY_MSB];
822 if (abs(mm - nn) > abs(oo - nn))
825 printf("\tCHS current addressable sectors:%11u\n",mm);
829 printf("\tLBA user addressable sectors:%11u\n",ll);
830 if ( ((val[CMDS_SUPP_1] & VALID) == VALID_VAL) &&
831 (val[CMDS_SUPP_1] & SUPPORT_48_BIT) )
833 bbbig = (uint64_t)val[LBA_64_MSB] << 48 |
834 (uint64_t)val[LBA_48_MSB] << 32 |
835 (uint64_t)val[LBA_MID] << 16 |
837 printf("\tLBA48 user addressable sectors:%11llu\n",(long long unsigned int)bbbig);
841 bbbig = (uint64_t)(ll>mm ? ll : mm); /* # 512 byte blocks */
842 printf("\tdevice size with M = 1024*1024: %11llu MBytes\n",(long long unsigned int)(bbbig>>11));
843 bbbig = (bbbig<<9)/1000000;
844 printf("\tdevice size with M = 1000*1000: %11llu MBytes ",(long long unsigned int)bbbig);
847 printf("(%llu GB)\n", bbbig/1000);
852 /* hw support of commands (capabilities) */
853 printf("Capabilities:\n\t");
855 if (dev == ATAPI_DEV)
857 if (eqpt != CDROM && (val[CAPAB_0] & CMD_Q_SUP)) printf("Cmd queuing, ");
858 if (val[CAPAB_0] & OVLP_SUP) printf("Cmd overlap, ");
860 if (val[CAPAB_0] & LBA_SUP) printf("LBA, ");
864 printf("IORDY%s(can%s be disabled)\n",
865 !(val[CAPAB_0] & IORDY_SUP) ? "(may be)" : "",
866 (val[CAPAB_0] & IORDY_OFF) ? "" :"not");
869 printf("no IORDY\n");
871 if ((like_std == 1) && val[BUF_TYPE])
873 printf("\tBuffer type: %04x: %s%s\n", val[BUF_TYPE],
874 (val[BUF_TYPE] < 2) ? "single port, single-sector" : "dual port, multi-sector",
875 (val[BUF_TYPE] > 2) ? " with read caching ability" : "");
878 if ((min_std == 1) && (val[BUFFER__SIZE] && (val[BUFFER__SIZE] != NOVAL_1)))
880 printf("\tBuffer size: %.1fkB\n",(float)val[BUFFER__SIZE]/2);
882 if ((min_std < 4) && (val[RW_LONG]))
884 printf("\tbytes avail on r/w long: %u\n",val[RW_LONG]);
886 if ((eqpt != CDROM) && (like_std > 3))
888 printf("\tQueue depth: %u\n",(val[QUEUE_DEPTH] & DEPTH_BITS)+1);
894 printf("\tCan%s perform double-word IO\n",(!val[DWORD_IO]) ?"not":"");
897 printf("\tStandby timer values: spec'd by %s", (val[CAPAB_0] & STD_STBY) ? "Standard" : "Vendor");
898 if ((like_std > 3) && ((val[CAPAB_1] & VALID) == VALID_VAL))
899 printf(", %s device specific minimum\n",(val[CAPAB_1] & MIN_STANDBY_TIMER)?"with":"no");
903 printf("\tR/W multiple sector transfer: ");
904 if ((like_std < 3) && !(val[SECTOR_XFER_MAX] & SECTOR_XFER))
905 printf("not supported\n");
908 printf("Max = %u\tCurrent = ",val[SECTOR_XFER_MAX] & SECTOR_XFER);
909 if (val[SECTOR_XFER_CUR] & MULTIPLE_SETTING_VALID)
910 printf("%u\n", val[SECTOR_XFER_CUR] & SECTOR_XFER);
914 if ((like_std > 3) && (val[CMDS_SUPP_1] & 0x0008))
916 /* We print out elsewhere whether the APM feature is enabled or
917 not. If it's not enabled, let's not repeat the info; just print
919 printf("\tAdvancedPM level: ");
920 if ( (val[ADV_PWR] & 0xFF00) == 0x4000 )
922 uint8_t apm_level = val[ADV_PWR] & 0x00FF;
923 printf("%u (0x%x)\n", apm_level, apm_level);
926 printf("unknown setting (0x%04x)\n", val[ADV_PWR]);
928 if (like_std > 5 && val[ACOUSTIC]) {
929 printf("\tRecommended acoustic management value: %u, current value: %u\n",
930 (val[ACOUSTIC] >> 8) & 0x00ff, val[ACOUSTIC] & 0x00ff);
936 if (eqpt != CDROM && (val[CAPAB_0] & SWRST_REQ))
937 printf("\tATA sw reset required\n");
939 if (val[PKT_REL] || val[SVC_NBSY])
941 printf("\tOverlap support:");
942 if (val[PKT_REL]) printf(" %uus to release bus.",val[PKT_REL]);
943 if (val[SVC_NBSY]) printf(" %uus to clear BSY after SERVICE cmd.",val[SVC_NBSY]);
948 /* DMA stuff. Check that only one DMA mode is selected. */
950 if (!(val[CAPAB_0] & DMA_SUP))
951 printf("not supported\n");
954 if (val[DMA_MODE] && !val[SINGLE_DMA] && !val[MULTI_DMA])
955 printf(" sdma%u\n",(val[DMA_MODE] & MODE) >> 8);
958 jj = val[SINGLE_DMA];
959 kk = val[SINGLE_DMA] >> 8;
960 err_dma += mode_loop(jj,kk,'s',&have_mode);
965 kk = val[MULTI_DMA] >> 8;
966 err_dma += mode_loop(jj,kk,'m',&have_mode);
968 if ((val[WHATS_VALID] & OK_W88) && val[ULTRA_DMA])
971 kk = val[ULTRA_DMA] >> 8;
972 err_dma += mode_loop(jj,kk,'u',&have_mode);
974 if (err_dma || !have_mode) printf("(?)");
977 if ((dev == ATAPI_DEV) && (eqpt != CDROM) && (val[CAPAB_0] & DMA_IL_SUP))
978 printf("\t\tInterleaved DMA support\n");
980 if ((val[WHATS_VALID] & OK_W64_70) &&
981 (val[DMA_TIME_MIN] || val[DMA_TIME_NORM]))
983 printf("\t\tCycle time:");
984 if (val[DMA_TIME_MIN]) printf(" min=%uns",val[DMA_TIME_MIN]);
985 if (val[DMA_TIME_NORM]) printf(" recommended=%uns",val[DMA_TIME_NORM]);
990 /* Programmed IO stuff */
992 /* If a drive supports mode n (e.g. 3), it also supports all modes less
993 * than n (e.g. 3, 2, 1 and 0). Print all the modes. */
994 if ((val[WHATS_VALID] & OK_W64_70) && (val[ADV_PIO_MODES] & PIO_SUP))
996 jj = ((val[ADV_PIO_MODES] & PIO_SUP) << 3) | 0x0007;
997 for (ii = 0; ii <= PIO_MODE_MAX ; ii++)
999 if (jj & 0x0001) printf("pio%d ",ii);
1004 else if (((min_std < 5) || (eqpt == CDROM)) && (val[PIO_MODE] & MODE) )
1006 for (ii = 0; ii <= val[PIO_MODE]>>8; ii++)
1007 printf("pio%d ",ii);
1011 printf("unknown\n");
1013 if (val[WHATS_VALID] & OK_W64_70)
1015 if (val[PIO_NO_FLOW] || val[PIO_FLOW])
1017 printf("\t\tCycle time:");
1018 if (val[PIO_NO_FLOW]) printf(" no flow control=%uns", val[PIO_NO_FLOW]);
1019 if (val[PIO_FLOW]) printf(" IORDY flow control=%uns", val[PIO_FLOW]);
1024 if ((val[CMDS_SUPP_1] & VALID) == VALID_VAL)
1026 printf("Commands/features:\n\tEnabled\tSupported:\n");
1027 jj = val[CMDS_SUPP_0];
1028 kk = val[CMDS_EN_0];
1029 for (ii = 0; ii < NUM_CMD_FEAT_STR; ii++)
1031 if ((jj & 0x8000) && (*cmd_feat_str[ii] != '\0'))
1033 printf("\t%s\t%s\n", (kk & 0x8000) ? " *" : "", cmd_feat_str[ii]);
1038 jj = val[CMDS_SUPP_0+1+(ii/16)];
1039 kk = val[CMDS_EN_0+1+(ii/16)];
1043 if ((val[CMDS_SUPP_2] & VALID) != VALID_VAL)
1048 /* Removable Media Status Notification feature set */
1049 if((val[RM_STAT] & RM_STAT_BITS) == RM_STAT_SUP)
1050 printf("\t%s supported\n", cmd_feat_str[27]);
1054 if ((eqpt != CDROM) && (like_std > 3) &&
1055 (val[SECU_STATUS] || val[ERASE_TIME] || val[ENH_ERASE_TIME]))
1057 printf("Security: \n");
1058 if (val[PSWD_CODE] && (val[PSWD_CODE] != NOVAL_1))
1059 printf("\tMaster password revision code = %u\n",val[PSWD_CODE]);
1060 jj = val[SECU_STATUS];
1063 for (ii = 0; ii < NUM_SECU_STR; ii++)
1065 printf("\t%s\t%s\n", (!(jj & 0x0001)) ? "not" : "", secu_str[ii]);
1068 if (val[SECU_STATUS] & SECU_ENABLED)
1070 printf("\tSecurity level %s\n", (val[SECU_STATUS] & SECU_LEVEL) ? "maximum" : "high");
1073 jj = val[ERASE_TIME] & ERASE_BITS;
1074 kk = val[ENH_ERASE_TIME] & ERASE_BITS;
1078 if (jj) printf("%umin for SECURITY ERASE UNIT. ", jj==ERASE_BITS ? 508 : jj<<1);
1079 if (kk) printf("%umin for ENHANCED SECURITY ERASE UNIT.", kk==ERASE_BITS ? 508 : kk<<1);
1085 jj = val[HWRST_RSLT];
1086 if ((jj & VALID) == VALID_VAL)
1088 if (!(oo = (jj & RST0)))
1090 if ((jj & DEV_DET) == JUMPER_VAL)
1091 strng = " determined by the jumper";
1092 else if ((jj & DEV_DET) == CSEL_VAL)
1093 strng = " determined by CSEL";
1096 printf("HW reset results:\n\tCBLID- %s Vih\n\tDevice num = %i%s\n",
1097 (val[HWRST_RSLT] & CBLID) ? "above" : "below", !(oo), strng);
1100 /* more stuff from std 5 */
1101 if ((like_std > 4) && (eqpt != CDROM))
1103 if (val[CFA_PWR_MODE] & VALID_W160)
1105 printf("CFA power mode 1:\n\t%s%s\n", (val[CFA_PWR_MODE] & PWR_MODE_OFF) ? "disabled" : "enabled",
1106 (val[CFA_PWR_MODE] & PWR_MODE_REQ) ? " and required by some commands" : "");
1108 if (val[CFA_PWR_MODE] & MAX_AMPS) printf("\tMaximum current = %uma\n",val[CFA_PWR_MODE] & MAX_AMPS);
1110 if ((val[INTEGRITY] & SIG) == SIG_VAL)
1112 printf("Checksum: %scorrect\n", chksum ? "in" : "");
1120 static int verbose, get_identity, get_geom, noisy = 1, quiet;
1121 static int flagcount, do_flush;
1122 static int do_ctimings, do_timings;
1124 static unsigned long set_readahead, get_readahead, Xreadahead;
1125 static unsigned long set_readonly, get_readonly, readonly;
1126 static unsigned long set_unmask, get_unmask, unmask;
1127 static unsigned long set_mult, get_mult, mult;
1128 #ifdef CONFIG_FEATURE_HDPARM_HDIO_GETSET_DMA
1129 static unsigned long set_dma, get_dma, dma;
1131 static unsigned long set_dma_q, get_dma_q, dma_q;
1132 static unsigned long set_nowerr, get_nowerr, nowerr;
1133 static unsigned long set_keep, get_keep, keep;
1134 static unsigned long set_io32bit, get_io32bit, io32bit;
1135 static unsigned long set_piomode, noisy_piomode;
1137 #ifdef HDIO_DRIVE_CMD
1138 static unsigned long set_dkeep, get_dkeep, dkeep;
1139 static unsigned long set_standby, get_standby, standby_requested;
1140 static unsigned long set_xfermode, get_xfermode;
1141 static int xfermode_requested;
1142 static unsigned long set_lookahead, get_lookahead, lookahead;
1143 static unsigned long set_prefetch, get_prefetch, prefetch;
1144 static unsigned long set_defects, get_defects, defects;
1145 static unsigned long set_wcache, get_wcache, wcache;
1146 static unsigned long set_doorlock, get_doorlock, doorlock;
1147 static unsigned long set_seagate, get_seagate;
1148 static unsigned long set_standbynow, get_standbynow;
1149 static unsigned long set_sleepnow, get_sleepnow;
1150 static unsigned long get_powermode;
1151 static unsigned long set_apmmode, get_apmmode, apmmode;
1153 #ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
1154 static int get_IDentity;
1156 #ifdef CONFIG_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF
1157 static unsigned long unregister_hwif;
1158 static unsigned long hwif;
1160 #ifdef CONFIG_FEATURE_HDPARM_HDIO_SCAN_HWIF
1161 static unsigned long scan_hwif;
1162 static unsigned long hwif_data;
1163 static unsigned long hwif_ctrl;
1164 static unsigned long hwif_irq;
1166 #ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
1167 static unsigned long set_busstate, get_busstate, busstate;
1169 static int reread_partn;
1171 #ifdef CONFIG_FEATURE_HDPARM_HDIO_DRIVE_RESET
1172 static int perform_reset;
1173 #endif /* CONFIG_FEATURE_HDPARM_HDIO_DRIVE_RESET */
1174 #ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
1175 static unsigned long perform_tristate, tristate;
1176 #endif /* CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF */
1178 // Historically, if there was no HDIO_OBSOLETE_IDENTITY, then
1179 // then the HDIO_GET_IDENTITY only returned 142 bytes.
1180 // Otherwise, HDIO_OBSOLETE_IDENTITY returns 142 bytes,
1181 // and HDIO_GET_IDENTITY returns 512 bytes. But the latest
1182 // 2.5.xx kernels no longer define HDIO_OBSOLETE_IDENTITY
1183 // (which they should, but they should just return -EINVAL).
1185 // So.. we must now assume that HDIO_GET_IDENTITY returns 512 bytes.
1186 // On a really old system, it will not, and we will be confused.
1189 #ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
1190 static const char * const cfg_str[] =
1191 { "", "HardSect", "SoftSect", "NotMFM",
1192 "HdSw>15uSec", "SpinMotCtl", "Fixed", "Removeable",
1193 "DTR<=5Mbs", "DTR>5Mbs", "DTR>10Mbs", "RotSpdTol>.5%",
1194 "dStbOff", "TrkOff", "FmtGapReq", "nonMagnetic"
1197 static const char * const BuffType[] = {"Unknown", "1Sect", "DualPort", "DualPortCache"};
1199 static void dump_identity(const struct hd_driveid *id)
1202 char pmodes[64], dmodes[128], umodes[128];
1203 const unsigned short int *id_regs= (const void*) id;
1204 unsigned long capacity;
1206 pmodes[0] = dmodes[0] = umodes[0] = '\0';
1208 printf("\n Model=%.40s, FwRev=%.8s, SerialNo=%.20s\n Config={",
1209 id->model, id->fw_rev, id->serial_no);
1210 for (i=0; i<=15; i++) {
1211 if (id->config & (1<<i))
1212 printf(" %s", cfg_str[i]);
1214 printf( " }\n RawCHS=%u/%u/%u, TrkSize=%u, SectSize=%u, ECCbytes=%u\n"
1215 " BuffType=(%u) %s, BuffSize=%ukB, MaxMultSect=%u",
1216 id->cyls, id->heads, id->sectors, id->track_bytes,
1217 id->sector_bytes, id->ecc_bytes,
1218 id->buf_type, BuffType[(id->buf_type > 3) ? 0 : id->buf_type],
1219 id->buf_size/2, id->max_multsect);
1220 if (id->max_multsect)
1222 printf(", MultSect=");
1223 if (!(id->multsect_valid&1))
1224 printf("?%u?", id->multsect);
1225 else if (id->multsect)
1226 printf("%u", id->multsect);
1233 strcat(pmodes, "pio0 ");
1234 if_strcat((id->tPIO >= 1), pmodes, "pio1 ");
1235 if_strcat((id->tPIO >= 2), pmodes, "pio2 ");
1238 if(!(id->field_valid&1)) printf(" (maybe):");
1239 if (BB_BIG_ENDIAN) capacity = (id->cur_capacity0 << 16) | id->cur_capacity1;
1240 else capacity = (id->cur_capacity1 << 16) | id->cur_capacity0;
1241 printf(" CurCHS=%u/%u/%u, CurSects=%lu, LBA=%s",id->cur_cyls, id->cur_heads,
1242 id->cur_sectors, capacity ,
1243 ((id->capability&2)==0)?"no":"yes");
1245 if (id->capability&2) printf(", LBAsects=%u", id->lba_capacity);
1247 if (id->capability&1)
1249 if (id->dma_1word | id->dma_mword)
1251 if_strcat((id->dma_1word & 0x100), dmodes, "*");
1252 if_strcat((id->dma_1word & 1), dmodes, "sdma0 ");
1253 if_strcat((id->dma_1word & 0x200), dmodes, "*");
1254 if_strcat((id->dma_1word & 2), dmodes, "sdma1 ");
1255 if_strcat((id->dma_1word & 0x400), dmodes, "*");
1256 if_strcat((id->dma_1word & 4), dmodes, "sdma2 ");
1257 if_strcat((id->dma_1word & 0xf800), dmodes, "*");
1258 if_strcat((id->dma_1word & 0xf8), dmodes, "sdma? ");
1259 if_strcat((id->dma_mword & 0x100), dmodes, "*");
1260 if_strcat((id->dma_mword & 1), dmodes, "mdma0 ");
1261 if_strcat((id->dma_mword & 0x200), dmodes, "*");
1262 if_strcat((id->dma_mword & 2), dmodes, "mdma1 ");
1263 if_strcat((id->dma_mword & 0x400), dmodes, "*");
1264 if_strcat((id->dma_mword & 4), dmodes, "mdma2 ");
1265 if_strcat((id->dma_mword & 0xf800), dmodes, "*");
1266 if_strcat((id->dma_mword & 0xf8), dmodes, "mdma? ");
1269 printf("\n IORDY=");
1270 if (id->capability&8)
1271 printf((id->capability&4) ? "on/off" : "yes");
1275 if ((id->capability&8) || (id->field_valid&2))
1277 if (id->field_valid&2)
1279 printf(", tPIO={min:%u,w/IORDY:%u}", id->eide_pio, id->eide_pio_iordy);
1280 if_strcat((id->eide_pio_modes & 1), pmodes, "pio3 ");
1281 if_strcat((id->eide_pio_modes & 2), pmodes, "pio4 ");
1282 if_strcat((id->eide_pio_modes &~3), pmodes, "pio? ");
1284 if (id->field_valid&4)
1286 if_strcat((id->dma_ultra & 0x100),umodes,"*");
1287 if_strcat((id->dma_ultra & 0x001),umodes,"udma0 ");
1288 if_strcat((id->dma_ultra & 0x200),umodes,"*");
1289 if_strcat((id->dma_ultra & 0x002),umodes,"udma1 ");
1290 if_strcat((id->dma_ultra & 0x400),umodes,"*");
1291 if_strcat((id->dma_ultra & 0x004),umodes,"udma2 ");
1292 #ifdef __NEW_HD_DRIVE_ID
1293 if (id->hw_config & 0x2000)
1295 #else /* !__NEW_HD_DRIVE_ID */
1296 if (id->word93 & 0x2000)
1298 #endif /* __NEW_HD_DRIVE_ID */
1299 if_strcat((id->dma_ultra & 0x0800),umodes,"*");
1300 if_strcat((id->dma_ultra & 0x0008),umodes,"udma3 ");
1301 if_strcat((id->dma_ultra & 0x1000),umodes,"*");
1302 if_strcat((id->dma_ultra & 0x0010),umodes,"udma4 ");
1303 if_strcat((id->dma_ultra & 0x2000),umodes,"*");
1304 if_strcat((id->dma_ultra & 0x0020),umodes,"udma5 ");
1305 if_strcat((id->dma_ultra & 0x4000),umodes,"*");
1306 if_strcat((id->dma_ultra & 0x0040),umodes,"udma6 ");
1307 if_strcat((id->dma_ultra & 0x8000),umodes,"*");
1308 if_strcat((id->dma_ultra & 0x0080),umodes,"udma7 ");
1312 if ((id->capability&1) && (id->field_valid&2))
1313 printf(", tDMA={min:%u,rec:%u}", id->eide_dma_min, id->eide_dma_time);
1314 printf("\n PIO modes: %s", pmodes);
1315 if (*dmodes) printf("\n DMA modes: %s", dmodes);
1316 if (*umodes) printf("\n UDMA modes: %s", umodes);
1318 printf("\n AdvancedPM=%s",((id_regs[83]&8)==0)?"no":"yes");
1319 if (id_regs[83] & 8)
1321 if (!(id_regs[86]&8))
1322 printf(": disabled (255)");
1323 else if ((id_regs[91]&0xFF00)!=0x4000)
1324 printf(": unknown setting");
1326 printf(": mode=0x%02X (%u)",id_regs[91]&0xFF,id_regs[91]&0xFF);
1328 if (id_regs[82]&0x20) printf(" WriteCache=%s",(id_regs[85]&0x20) ? "enabled" : "disabled");
1329 #ifdef __NEW_HD_DRIVE_ID
1330 if ((id->minor_rev_num && id->minor_rev_num <= 31) || (id->major_rev_num && id->minor_rev_num <= 31))
1332 printf("\n Drive conforms to: %s: ", (id->minor_rev_num <= 31) ? minor_str[id->minor_rev_num] : "Unknown");
1333 if (id->major_rev_num != 0x0000 && /* NOVAL_0 */
1334 id->major_rev_num != 0xFFFF) { /* NOVAL_1 */
1335 for (i=0; i <= 15; i++) {
1336 if (id->major_rev_num & (1<<i))
1337 printf(" ATA/ATAPI-%u", i);
1341 #endif /* __NEW_HD_DRIVE_ID */
1342 printf("\n\n * signifies the current active mode\n\n");
1346 static void flush_buffer_cache(int fd)
1348 fsync(fd); /* flush buffers */
1349 bb_ioctl(fd, BLKFLSBUF, NULL,"BLKFLSBUF" ) ;/* do it again, big time */
1350 #ifdef HDIO_DRIVE_CMD
1352 if (ioctl(fd, HDIO_DRIVE_CMD, NULL) && errno != EINVAL) /* await completion */
1353 bb_perror_msg("HDIO_DRIVE_CMD");
1357 static int seek_to_zero(int fd)
1359 if (lseek(fd, (off_t) 0, SEEK_SET))
1364 static int read_big_block(int fd, char *buf)
1368 if ((i = read(fd, buf, TIMING_BUF_BYTES)) != TIMING_BUF_BYTES) {
1369 bb_error_msg("read(%d bytes) failed (rc=%d)", TIMING_BUF_BYTES, i);
1373 /* access all sectors of buf to ensure the read fully completed */
1374 for (i = 0; i < TIMING_BUF_BYTES; i += 512)
1379 static void print_timing(int t, double e)
1381 if (t >= e) /* more than 1MB/s */
1382 printf("%2d MB in %5.2f seconds =%6.2f MB/sec\n", t, e, t / e);
1384 printf("%2d MB in %5.2f seconds =%6.2f kB/sec\n", t, e, t / e * 1024);
1387 static int do_blkgetsize (int fd, unsigned long long *blksize64)
1390 unsigned int blksize32 = 0;
1392 if (0 == ioctl(fd, BLKGETSIZE64, blksize64)) { // returns bytes
1396 rc = ioctl(fd, BLKGETSIZE, &blksize32); // returns sectors
1398 bb_perror_msg("BLKGETSIZE");
1399 *blksize64 = blksize32;
1403 static void do_time(int flag, int fd)
1406 flag = 1 time_device
1410 struct itimerval e1, e2;
1412 double elapsed, elapsed2;
1413 unsigned int max_iterations = 1024, total_MB, iterations;
1414 unsigned long long blksize;
1416 if (0 == do_blkgetsize(fd, &blksize)) {
1417 max_iterations = blksize / (2 * 1024) / TIMING_BUF_MB;
1420 if ((shmid = shmget(IPC_PRIVATE, TIMING_BUF_BYTES, 0600)) == -1)
1422 bb_perror_msg("shmget"); /*"could not allocate sharedmem buf"*/
1425 if (shmctl(shmid, SHM_LOCK, NULL) == -1)
1427 bb_perror_msg("shmctl"); /*"could not lock sharedmem buf"*/
1428 (void) shmctl(shmid, IPC_RMID, NULL);
1431 if ((buf = shmat(shmid, (char *) 0, 0)) == (char *) -1)
1433 bb_perror_msg("shmat"); /*"could not attach sharedmem buf"*/
1434 (void) shmctl(shmid, IPC_RMID, NULL);
1437 if (shmctl(shmid, IPC_RMID, NULL) == -1)
1438 bb_perror_msg("shmctl");
1440 /* Clear out the device request queues & give them time to complete */
1444 setitimer(ITIMER_REAL, &(struct itimerval){{1000,0},{1000,0}}, NULL);
1446 if (flag == 0) /* Time cache */
1448 if (seek_to_zero (fd)) return;
1449 if (read_big_block (fd, buf)) return;
1450 printf(" Timing cached reads: ");
1453 /* Now do the timing */
1455 getitimer(ITIMER_REAL, &e1);
1458 if (seek_to_zero (fd) || read_big_block (fd, buf))
1460 getitimer(ITIMER_REAL, &e2);
1461 elapsed = (e1.it_value.tv_sec - e2.it_value.tv_sec)
1462 + ((e1.it_value.tv_usec - e2.it_value.tv_usec) / 1000000.0);
1463 } while (elapsed < 2.0);
1464 total_MB = iterations * TIMING_BUF_MB;
1466 elapsed = (e1.it_value.tv_sec - e2.it_value.tv_sec)
1467 + ((e1.it_value.tv_usec - e2.it_value.tv_usec) / 1000000.0);
1469 /* Now remove the lseek() and getitimer() overheads from the elapsed time */
1470 getitimer(ITIMER_REAL, &e1);
1472 if (seek_to_zero (fd))
1474 getitimer(ITIMER_REAL, &e2);
1475 elapsed2 = (e1.it_value.tv_sec - e2.it_value.tv_sec)
1476 + ((e1.it_value.tv_usec - e2.it_value.tv_usec) / 1000000.0);
1477 } while (--iterations);
1479 elapsed -= elapsed2;
1480 print_timing(BUFCACHE_FACTOR * total_MB, elapsed);
1481 flush_buffer_cache(fd);
1484 else /* Time device */
1486 printf(" Timing buffered disk reads: ");
1489 * getitimer() is used rather than gettimeofday() because
1490 * it is much more consistent (on my machine, at least).
1492 /* Now do the timings for real */
1494 getitimer(ITIMER_REAL, &e1);
1497 if (read_big_block (fd, buf))
1499 getitimer(ITIMER_REAL, &e2);
1500 elapsed = (e1.it_value.tv_sec - e2.it_value.tv_sec)
1501 + ((e1.it_value.tv_usec - e2.it_value.tv_usec) / 1000000.0);
1502 } while (elapsed < 3.0 && iterations < max_iterations);
1504 total_MB = iterations * TIMING_BUF_MB;
1505 print_timing(total_MB, elapsed);
1508 if (-1 == shmdt(buf))
1509 bb_perror_msg("shmdt"); /*"could not detach sharedmem buf"*/
1512 static void on_off (unsigned int value)
1514 printf(value ? " (on)\n" : " (off)\n");
1517 #ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
1518 static void bus_state_value(unsigned int value)
1520 if (value == BUSSTATE_ON)
1522 else if (value == BUSSTATE_OFF)
1524 else if (value == BUSSTATE_TRISTATE)
1525 printf(" (tristate)\n");
1527 printf(" (unknown: %d)\n", value);
1531 #ifdef HDIO_DRIVE_CMD
1532 static void interpret_standby(unsigned int standby)
1539 else if (standby == 252)
1540 printf("21 minutes");
1541 else if (standby == 253)
1542 printf("vendor-specific");
1543 else if (standby == 254)
1545 else if (standby == 255)
1546 printf("21 minutes + 15 seconds");
1548 if (standby <= 240) {
1550 printf("%u minutes + %u seconds", t / 60, t % 60);
1551 } else if (standby <= 251) {
1552 t = (standby - 240) * 30;
1553 printf("%u hours + %u minutes", t / 60, t % 60);
1555 printf("illegal value");
1560 struct xfermode_entry {
1565 static const struct xfermode_entry xfermode_table[] = {
1601 static int translate_xfermode(char * name)
1603 const struct xfermode_entry *tmp;
1608 for (tmp = xfermode_table; tmp->name != NULL; ++tmp)
1610 if (!strcmp(name, tmp->name))
1614 val = strtol(name, &endptr, 10);
1615 if (*endptr == '\0')
1621 static void interpret_xfermode(unsigned int xfermode)
1625 printf("default PIO mode");
1626 else if (xfermode == 1)
1627 printf("default PIO mode, disable IORDY");
1628 else if (xfermode >= 8 && xfermode <= 15)
1629 printf("PIO flow control mode%u", xfermode-8);
1630 else if (xfermode >= 16 && xfermode <= 23)
1631 printf("singleword DMA mode%u", xfermode-16);
1632 else if (xfermode >= 32 && xfermode <= 39)
1633 printf("multiword DMA mode%u", xfermode-32);
1634 else if (xfermode >= 64 && xfermode <= 71)
1635 printf("UltraDMA mode%u", xfermode-64);
1640 #endif /* HDIO_DRIVE_CMD */
1642 static void print_flag(unsigned long flag, char *s, unsigned long value)
1645 printf(" setting %s to %ld\n", s, value);
1648 static void process_dev(char *devname)
1651 static long parm, multcount;
1652 #ifndef HDIO_DRIVE_CMD
1653 int force_operation = 0;
1655 /* Please restore args[n] to these values after each ioctl
1656 except for args[2] */
1657 unsigned char args[4] = {WIN_SETFEATURES,0,0,0};
1658 const char *fmt = " %s\t= %2ld";
1660 fd = bb_xopen(devname, O_RDONLY|O_NONBLOCK);
1661 if (!quiet) printf("\n%s:\n", devname);
1665 print_flag(get_readahead,"fs readahead", Xreadahead);
1666 bb_ioctl(fd, BLKRASET,(int *)Xreadahead,"BLKRASET");
1668 #ifdef CONFIG_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF
1669 if (unregister_hwif)
1671 printf(" attempting to unregister hwif#%lu\n", hwif);
1672 bb_ioctl(fd, HDIO_UNREGISTER_HWIF,(int *)(unsigned long)hwif,"HDIO_UNREGISTER_HWIF");
1675 #ifdef CONFIG_FEATURE_HDPARM_HDIO_SCAN_HWIF
1678 printf(" attempting to scan hwif (0x%lx, 0x%lx, %lu)\n", hwif_data, hwif_ctrl, hwif_irq);
1679 args[0] = hwif_data;
1680 args[1] = hwif_ctrl;
1682 bb_ioctl(fd, HDIO_SCAN_HWIF, args, "HDIO_SCAN_HWIF");
1683 args[0] = WIN_SETFEATURES;
1691 printf(" attempting to ");
1693 printf("auto-tune PIO mode\n");
1694 else if (piomode < 100)
1695 printf("set PIO mode to %d\n", piomode);
1696 else if (piomode < 200)
1697 printf("set MDMA mode to %d\n", (piomode-100));
1699 printf("set UDMA mode to %d\n", (piomode-200));
1701 bb_ioctl(fd, HDIO_SET_PIO_MODE, (int *)(unsigned long)piomode, "HDIO_SET_PIO_MODE");
1705 print_flag(get_io32bit,"32-bit IO_support flag", io32bit);
1706 bb_ioctl(fd, HDIO_SET_32BIT, (int *)io32bit, "HDIO_SET_32BIT");
1710 print_flag(get_mult, "multcount", mult);
1711 if (ioctl(fd, HDIO_SET_MULTCOUNT, mult))
1712 bb_perror_msg("HDIO_SET_MULTCOUNT");
1713 #ifndef HDIO_DRIVE_CMD
1715 force_operation = 1;
1720 print_flag_on_off(get_readonly,"readonly", readonly);
1721 bb_ioctl(fd, BLKROSET, &readonly, "BLKROSET");
1725 print_flag_on_off(get_unmask,"unmaskirq", unmask);
1726 bb_ioctl(fd, HDIO_SET_UNMASKINTR, (int *)unmask, "HDIO_SET_UNMASKINTR");
1728 #ifdef CONFIG_FEATURE_HDPARM_HDIO_GETSET_DMA
1731 print_flag_on_off(get_dma, "using_dma", dma);
1732 bb_ioctl(fd, HDIO_SET_DMA, (int *)dma, "HDIO_SET_DMA");
1734 #endif /* CONFIG_FEATURE_HDPARM_HDIO_GETSET_DMA */
1737 print_flag_on_off(get_dma_q,"DMA queue_depth", dma_q);
1738 bb_ioctl(fd, HDIO_SET_QDMA, (int *)dma_q, "HDIO_SET_QDMA");
1742 print_flag_on_off(get_nowerr,"nowerr", nowerr);
1743 bb_ioctl(fd, HDIO_SET_NOWERR, (int *)nowerr,"HDIO_SET_NOWERR");
1747 print_flag_on_off(get_keep,"keep_settings", keep);
1748 bb_ioctl(fd, HDIO_SET_KEEPSETTINGS, (int *)keep,"HDIO_SET_KEEPSETTINGS");
1750 #ifdef HDIO_DRIVE_CMD
1753 args[0] = doorlock ? WIN_DOORLOCK : WIN_DOORUNLOCK;
1755 print_flag_on_off(get_doorlock,"drive doorlock", doorlock);
1756 bb_ioctl(fd, HDIO_DRIVE_CMD, &args,"HDIO_DRIVE_CMD(doorlock)");
1757 args[0] = WIN_SETFEATURES;
1761 /* lock/unlock the drive's "feature" settings */
1762 print_flag_on_off(get_dkeep,"drive keep features", dkeep);
1763 args[2] = dkeep ? 0x66 : 0xcc;
1764 bb_ioctl(fd, HDIO_DRIVE_CMD, &args,"HDIO_DRIVE_CMD(keepsettings)");
1768 args[2] = defects ? 0x04 : 0x84;
1769 print_flag(get_defects,"drive defect-mgmt", defects);
1770 bb_ioctl(fd, HDIO_DRIVE_CMD, &args,"HDIO_DRIVE_CMD(defectmgmt)");
1776 print_flag(get_prefetch,"drive prefetch", prefetch);
1777 bb_ioctl(fd, HDIO_DRIVE_CMD, &args, "HDIO_DRIVE_CMD(setprefetch)");
1782 args[1] = xfermode_requested;
1786 print_flag(1,/*" setting */"xfermode"/* to %d"*/, xfermode_requested);
1787 interpret_xfermode(xfermode_requested);
1789 bb_ioctl(fd, HDIO_DRIVE_CMD, &args,"HDIO_DRIVE_CMD(setxfermode)");
1794 args[2] = lookahead ? 0xaa : 0x55;
1795 print_flag_on_off(get_lookahead,"drive read-lookahead", lookahead);
1796 bb_ioctl(fd, HDIO_DRIVE_CMD, &args, "HDIO_DRIVE_CMD(setreadahead)");
1800 args[2] = (apmmode == 255) ? 0x85 /* disable */ : 0x05 /* set */; /* feature register */
1801 args[1] = apmmode; /* sector count register 1-255 */
1803 printf(" setting APM level to %s 0x%02lX (%ld)\n", (apmmode == 255) ? "disabled" : "", apmmode, apmmode);
1804 bb_ioctl(fd, HDIO_DRIVE_CMD, &args,"HDIO_DRIVE_CMD");
1809 #ifdef DO_FLUSHCACHE
1810 #ifndef WIN_FLUSHCACHE
1811 #define WIN_FLUSHCACHE 0xe7
1813 static unsigned char flushcache[4] = {WIN_FLUSHCACHE,0,0,0};
1814 #endif /* DO_FLUSHCACHE */
1815 args[2] = wcache ? 0x02 : 0x82;
1816 print_flag_on_off(get_wcache,"drive write-caching", wcache);
1817 #ifdef DO_FLUSHCACHE
1819 bb_ioctl(fd, HDIO_DRIVE_CMD, &flushcache, "HDIO_DRIVE_CMD(flushcache)");
1820 #endif /* DO_FLUSHCACHE */
1821 bb_ioctl(fd, HDIO_DRIVE_CMD, &args, "HDIO_DRIVE_CMD(setcache)");
1822 #ifdef DO_FLUSHCACHE
1824 bb_ioctl(fd, HDIO_DRIVE_CMD, &flushcache, "HDIO_DRIVE_CMD(flushcache)");
1825 #endif /* DO_FLUSHCACHE */
1828 /* In code below, we do not preserve args[0], but the rest
1829 is preserved, including args[2] */
1834 #ifndef WIN_STANDBYNOW1
1835 #define WIN_STANDBYNOW1 0xE0
1837 #ifndef WIN_STANDBYNOW2
1838 #define WIN_STANDBYNOW2 0x94
1840 if (get_standbynow) printf(" issuing standby command\n");
1841 args[0] = WIN_STANDBYNOW1;
1842 bb_ioctl_alt(fd, HDIO_DRIVE_CMD, args, WIN_STANDBYNOW2, "HDIO_DRIVE_CMD(standby)");
1846 #ifndef WIN_SLEEPNOW1
1847 #define WIN_SLEEPNOW1 0xE6
1849 #ifndef WIN_SLEEPNOW2
1850 #define WIN_SLEEPNOW2 0x99
1852 if (get_sleepnow) printf(" issuing sleep command\n");
1853 args[0] = WIN_SLEEPNOW1;
1854 bb_ioctl_alt(fd, HDIO_DRIVE_CMD, args, WIN_SLEEPNOW2, "HDIO_DRIVE_CMD(sleep)");
1859 if (get_seagate) printf(" disabling Seagate auto powersaving mode\n");
1860 bb_ioctl(fd, HDIO_DRIVE_CMD, &args, "HDIO_DRIVE_CMD(seagatepwrsave)");
1864 args[0] = WIN_SETIDLE1;
1865 args[1] = standby_requested;
1868 print_flag(1, /*" setting */"standby"/* to %lu"*/, standby_requested);
1869 interpret_standby(standby_requested);
1871 bb_ioctl(fd, HDIO_DRIVE_CMD, &args, "HDIO_DRIVE_CMD(setidle1)");
1874 #else /* HDIO_DRIVE_CMD */
1875 if (force_operation)
1878 flush_buffer_cache(fd);
1879 if (-1 == read(fd, buf, sizeof(buf)))
1880 bb_perror_msg("read(%d bytes) failed (rc=%d)", sizeof(buf), -1);
1882 #endif /* HDIO_DRIVE_CMD */
1887 if (verbose || get_mult || get_identity)
1890 if (ioctl(fd, HDIO_GET_MULTCOUNT, &multcount))
1892 if (verbose || get_mult)
1893 bb_perror_msg("HDIO_GET_MULTCOUNT");
1895 else if (verbose | get_mult)
1897 printf(fmt, "multcount", multcount);
1901 if (verbose || get_io32bit)
1903 if (!bb_ioctl(fd, HDIO_GET_32BIT, &parm, "HDIO_GET_32BIT"))
1905 printf(" IO_support\t=%3ld (", parm);
1907 printf("default 16-bit)\n");
1909 printf("16-bit)\n");
1911 printf("32-bit)\n");
1913 printf("32-bit w/sync)\n");
1915 printf("Request-Queue-Bypass)\n");
1917 printf("\?\?\?)\n");
1920 if (verbose || get_unmask)
1922 bb_ioctl_on_off(fd, HDIO_GET_UNMASKINTR,(unsigned long *)parm,
1923 "HDIO_GET_UNMASKINTR","unmaskirq");
1927 #ifdef CONFIG_FEATURE_HDPARM_HDIO_GETSET_DMA
1928 if (verbose || get_dma) {
1929 if (!bb_ioctl(fd, HDIO_GET_DMA, &parm, "HDIO_GET_DMA"))
1931 printf(fmt, "using_dma", parm);
1933 printf(" (DMA-Assisted-PIO)\n");
1941 bb_ioctl_on_off (fd, HDIO_GET_QDMA,(unsigned long *)parm,
1942 "HDIO_GET_QDMA","queue_depth");
1944 if (verbose || get_keep)
1946 bb_ioctl_on_off (fd, HDIO_GET_KEEPSETTINGS,(unsigned long *)parm,
1947 "HDIO_GET_KEEPSETTINGS","keepsettings");
1952 bb_ioctl_on_off (fd, HDIO_GET_NOWERR,(unsigned long *)&parm,
1953 "HDIO_GET_NOWERR","nowerr");
1955 if (verbose || get_readonly)
1957 bb_ioctl_on_off(fd, BLKROGET,(unsigned long *)parm,
1958 "BLKROGET","readonly");
1960 if (verbose || get_readahead)
1962 bb_ioctl_on_off (fd, BLKRAGET, (unsigned long *) parm,
1963 "BLKRAGET","readahead");
1965 if (verbose || get_geom)
1967 if (!bb_ioctl(fd, BLKGETSIZE, &parm, "BLKGETSIZE"))
1969 struct hd_geometry g;
1971 if (!bb_ioctl(fd, HDIO_GETGEO, &g, "HDIO_GETGEO"))
1972 printf(" geometry\t= %u/%u/%u, sectors = %ld, start = %ld\n",
1973 g.cylinders, g.heads, g.sectors, parm, g.start);
1976 #ifdef HDIO_DRIVE_CMD
1979 #ifndef WIN_CHECKPOWERMODE1
1980 #define WIN_CHECKPOWERMODE1 0xE5
1982 #ifndef WIN_CHECKPOWERMODE2
1983 #define WIN_CHECKPOWERMODE2 0x98
1987 args[0] = WIN_CHECKPOWERMODE1;
1988 if (bb_ioctl_alt(fd, HDIO_DRIVE_CMD, args, WIN_CHECKPOWERMODE2, 0))
1990 if (errno != EIO || args[0] != 0 || args[1] != 0)
1996 state = (args[2] == 255) ? "active/idle" : "standby";
1997 args[1] = args[2] = 0;
1999 printf(" drive state is: %s\n", state);
2002 #ifdef CONFIG_FEATURE_HDPARM_HDIO_DRIVE_RESET
2005 bb_ioctl(fd, HDIO_DRIVE_RESET, NULL, "HDIO_DRIVE_RESET");
2007 #endif /* CONFIG_FEATURE_HDPARM_HDIO_DRIVE_RESET */
2008 #ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
2009 if (perform_tristate)
2013 bb_ioctl(fd, HDIO_TRISTATE_HWIF, &args, "HDIO_TRISTATE_HWIF");
2015 #endif /* CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF */
2016 #ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
2019 static struct hd_driveid id;
2021 if (!ioctl(fd, HDIO_GET_IDENTITY, &id))
2023 if (multcount != -1)
2025 id.multsect = multcount;
2026 id.multsect_valid |= 1;
2029 id.multsect_valid &= ~1;
2032 else if (errno == -ENOMSG)
2033 printf(" no identification info available\n");
2035 bb_perror_msg("HDIO_GET_IDENTITY");
2040 unsigned char args1[4+512]; /* = { ... } will eat 0.5k of rodata! */
2043 memset(args1, 0, sizeof(args1));
2044 args1[0] = WIN_IDENTIFY;
2046 if (!bb_ioctl_alt(fd, HDIO_DRIVE_CMD, args1, WIN_PIDENTIFY, "HDIO_DRIVE_CMD(identify)")) {
2047 for (i=0; i<(sizeof args1)/2; i+=2)
2048 __le16_to_cpus((uint16_t *)(&args1[i]));
2049 identify((void *)&args1[4]);
2053 #ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
2058 print_flag(1, "bus state", busstate);
2059 bus_state_value(busstate);
2061 bb_ioctl(fd, HDIO_SET_BUSSTATE, (int *)(unsigned long)busstate, "HDIO_SET_BUSSTATE");
2064 #ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
2067 if (!bb_ioctl(fd, HDIO_GET_BUSSTATE, &parm, "HDIO_GET_BUSSTATE"))
2069 printf(fmt, "bus state", parm);
2070 bus_state_value(parm);
2075 bb_ioctl(fd, BLKRRPART, NULL, "BLKRRPART");
2079 do_time(0,fd); /*time cache */
2081 do_time(1,fd); /*time device */
2083 flush_buffer_cache(fd);
2087 #ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
2088 static int fromhex(unsigned char c)
2090 if (c >= 'a' && c <= 'f')
2091 return 10 + (c - 'a');
2092 if (c >= '0' && c <= '9')
2094 bb_error_msg_and_die("bad char: '%c' 0x%02x", c, c);
2097 static void identify_from_stdin(void)
2099 unsigned short sbuf[800];
2100 unsigned char buf[1600], *b = (unsigned char *)buf;
2101 int i, count = read(0, buf, 1280);
2104 bb_error_msg_and_die("read(%d bytes) failed (rc=%d)", 1280, count);
2105 for (i = 0; count >= 4; ++i)
2107 sbuf[i] = (fromhex(b[0]) << 12) | (fromhex(b[1]) << 8) | (fromhex(b[2]) << 4) | fromhex(b[3]);
2108 __le16_to_cpus((uint16_t *)(&sbuf[i]));
2116 /* busybox specific stuff */
2117 static void parse_opts(unsigned long *get, unsigned long *set, unsigned long *value, int min, int max)
2119 /* noisy is a global var */
2120 if (get) { /* *get is initialized to 0 */
2126 *value = bb_xgetlarg(optarg, 10, min, max);
2130 #ifdef HDIO_DRIVE_CMD
2131 static void parse_opts_v2(int flag, unsigned long *get, unsigned long *set)
2134 /* noisy is a global var */
2142 static void parse_opts_v3(int flag, unsigned long *get, unsigned long *set, int *value)
2145 /* noisy is a global var */
2149 *set = ((*value = translate_xfermode(optarg)) > -1);
2154 /*-------------------------------------*/
2155 /* getopt long options */
2156 #if ENABLE_FEATURE_HDPARM_GET_IDENTITY
2157 static const struct option HDPARM_LONG_OPT[] =
2159 {"Istdin", 0, NULL, '\256'},
2163 #define HDPARM_LONG_OPT NULL
2165 /*-------------------------------------*/
2166 /* getopt short options */
2167 static const char hdparm_options[]= "Vvgfqu::n::p:r::m::c::k::a::B:tTh"\
2168 USE_FEATURE_HDPARM_GET_IDENTITY("\256iI")
2169 USE_FEATURE_HDPARM_HDIO_GETSET_DMA("d::")
2170 #ifdef HDIO_DRIVE_CMD
2171 "S::D::P::X::K::A::L::W::CyYzZ"
2173 USE_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF("U:")
2174 #ifdef HDIO_GET_QDMA
2175 #ifdef HDIO_SET_QDMA
2181 USE_FEATURE_HDPARM_HDIO_DRIVE_RESET("w")
2182 USE_FEATURE_HDPARM_HDIO_TRISTATE_HWIF("x::b:")
2183 USE_FEATURE_HDPARM_HDIO_SCAN_HWIF("R:");
2184 /*-------------------------------------*/
2186 /* our main() routine: */
2187 int hdparm_main(int argc, char **argv) ATTRIBUTE_NORETURN;
2188 int hdparm_main(int argc, char **argv)
2192 while ((c = getopt_long (argc, argv, hdparm_options, HDPARM_LONG_OPT , NULL)) >= 0) {
2193 /* When no flags are given (flagcount = 0), -acdgkmnru is assumed. */
2195 #if ENABLE_FEATURE_HDPARM_GET_IDENTITY
2197 identify_from_stdin(); /* EXIT */
2201 printf("%s %s\n",bb_applet_name, VERSION);
2205 verbose |= (c == 'v');
2206 USE_FEATURE_HDPARM_GET_IDENTITY(get_IDentity = (c == 'I'));
2207 USE_FEATURE_HDPARM_GET_IDENTITY(get_identity = (c == 'i'));
2208 get_geom |= (c == 'g');
2209 do_flush |= (c == 'f');
2214 if (c == 'u') parse_opts(&get_unmask, &set_unmask, &unmask, 0, 1);
2215 USE_FEATURE_HDPARM_HDIO_GETSET_DMA(if (c == 'd') parse_opts(&get_dma, &set_dma, &dma, 0, 9));
2216 if (c == 'n') parse_opts(&get_nowerr, &set_nowerr, &nowerr, 0, 1);
2217 parse_opts_v3((c == 'p'),&noisy_piomode, &set_piomode, &piomode);
2218 if (c == 'r') parse_opts(&get_readonly, &set_readonly, &readonly, 0, 1);
2219 if (c == 'm') parse_opts(&get_mult, &set_mult, &mult, 0, INT_MAX /*32*/);
2220 if (c == 'c') parse_opts(&get_io32bit, &set_io32bit, &io32bit, 0, INT_MAX /*8*/);
2221 if (c == 'k') parse_opts(&get_keep, &set_keep, &keep, 0, 1);
2222 if (c == 'a') parse_opts(&get_readahead, &set_readahead, &Xreadahead, 0, INT_MAX);
2223 if (c == 'B') parse_opts(&get_apmmode, &set_apmmode, &apmmode, 1, 255);
2224 do_flush |= do_timings |= (c == 't');
2225 do_flush |= do_ctimings |= (c == 'T');
2226 #ifdef HDIO_DRIVE_CMD
2227 if (c == 'S') parse_opts(&get_standby, &set_standby, &standby_requested, 0, INT_MAX);
2228 if (c == 'D') parse_opts(&get_defects, &set_defects, &defects, 0, INT_MAX);
2229 if (c == 'P') parse_opts(&get_prefetch, &set_prefetch, &prefetch, 0, INT_MAX);
2230 parse_opts_v3((c == 'X'), &get_xfermode, &set_xfermode, &xfermode_requested);
2231 if (c == 'K') parse_opts(&get_dkeep, &set_dkeep, &prefetch, 0, 1);
2232 if (c == 'A') parse_opts(&get_lookahead, &set_lookahead, &lookahead, 0, 1);
2233 if (c == 'L') parse_opts(&get_doorlock, &set_doorlock, &doorlock, 0, 1);
2234 if (c == 'W') parse_opts(&get_wcache, &set_wcache, &wcache, 0, 1);
2235 parse_opts_v3((c == 'C'), &get_powermode, NULL, NULL);
2236 parse_opts_v2((c == 'y'), &get_standbynow, &set_standbynow);
2237 parse_opts_v2((c == 'Y'), &get_sleepnow, &set_sleepnow);
2238 reread_partn |= (c == 'z');
2239 parse_opts_v2((c == 'Z'), &get_seagate, &set_seagate);
2241 USE_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF(if (c == 'U') parse_opts(NULL, &unregister_hwif, &hwif, 0, INT_MAX));
2242 #ifdef HDIO_GET_QDMA
2244 #ifdef HDIO_SET_QDMA
2245 parse_opts(&get_dma_q, &set_dma_q, &dma_q, 0, INT_MAX);
2247 parse_opts(&get_dma_q, NULL, NULL, 0, 0);
2251 USE_FEATURE_HDPARM_HDIO_DRIVE_RESET( perform_reset = (c == 'r'));
2252 USE_FEATURE_HDPARM_HDIO_TRISTATE_HWIF(if (c == 'x') parse_opts(NULL, &perform_tristate, &tristate, 0, 1));
2253 USE_FEATURE_HDPARM_HDIO_TRISTATE_HWIF(if (c == 'b') parse_opts(&get_busstate, &set_busstate, &busstate, 0, 2));
2254 #if ENABLE_FEATURE_HDPARM_HDIO_SCAN_HWIF
2256 parse_opts(NULL, &scan_hwif, &hwif_data, 0, INT_MAX);
2257 hwif_ctrl = bb_xgetlarg((argv[optind]) ? argv[optind] : "", 10, 0, INT_MAX);
2258 hwif_irq = bb_xgetlarg((argv[optind+1]) ? argv[optind+1] : "", 10, 0, INT_MAX);
2259 /* Move past the 2 additional arguments */