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>
29 #include <linux/types.h>
30 #include <linux/hdreg.h>
31 #include <asm/byteorder.h>
34 #if BB_BIG_ENDIAN && !defined(__USE_XOPEN)
41 #define ATA_DEV 0x0000
42 #define ATAPI_DEV 0x0001
44 /* word definitions */
45 /* ---------------- */
46 #define GEN_CONFIG 0 /* general configuration */
47 #define LCYLS 1 /* number of logical cylinders */
48 #define CONFIG 2 /* specific configuration */
49 #define LHEADS 3 /* number of logical heads */
50 #define TRACK_BYTES 4 /* number of bytes/track (ATA-1) */
51 #define SECT_BYTES 5 /* number of bytes/sector (ATA-1) */
52 #define LSECTS 6 /* number of logical sectors/track */
53 #define START_SERIAL 10 /* ASCII serial number */
54 #define LENGTH_SERIAL 10 /* 10 words (20 bytes or characters) */
55 #define BUF_TYPE 20 /* buffer type (ATA-1) */
56 #define BUFFER__SIZE 21 /* buffer size (ATA-1) */
57 #define RW_LONG 22 /* extra bytes in R/W LONG cmd ( < ATA-4)*/
58 #define START_FW_REV 23 /* ASCII firmware revision */
59 #define LENGTH_FW_REV 4 /* 4 words (8 bytes or characters) */
60 #define START_MODEL 27 /* ASCII model number */
61 #define LENGTH_MODEL 20 /* 20 words (40 bytes or characters) */
62 #define SECTOR_XFER_MAX 47 /* r/w multiple: max sectors xfered */
63 #define DWORD_IO 48 /* can do double-word IO (ATA-1 only) */
64 #define CAPAB_0 49 /* capabilities */
66 #define PIO_MODE 51 /* max PIO mode supported (obsolete)*/
67 #define DMA_MODE 52 /* max Singleword DMA mode supported (obs)*/
68 #define WHATS_VALID 53 /* what fields are valid */
69 #define LCYLS_CUR 54 /* current logical cylinders */
70 #define LHEADS_CUR 55 /* current logical heads */
71 #define LSECTS_CUR 56 /* current logical sectors/track */
72 #define CAPACITY_LSB 57 /* current capacity in sectors */
73 #define CAPACITY_MSB 58
74 #define SECTOR_XFER_CUR 59 /* r/w multiple: current sectors xfered */
75 #define LBA_SECTS_LSB 60 /* LBA: total number of user */
76 #define LBA_SECTS_MSB 61 /* addressable sectors */
77 #define SINGLE_DMA 62 /* singleword DMA modes */
78 #define MULTI_DMA 63 /* multiword DMA modes */
79 #define ADV_PIO_MODES 64 /* advanced PIO modes supported */
80 /* multiword DMA xfer cycle time: */
81 #define DMA_TIME_MIN 65 /* - minimum */
82 #define DMA_TIME_NORM 66 /* - manufacturer's recommended */
83 /* minimum PIO xfer cycle time: */
84 #define PIO_NO_FLOW 67 /* - without flow control */
85 #define PIO_FLOW 68 /* - with IORDY flow control */
86 #define PKT_REL 71 /* typical #ns from PKT cmd to bus rel */
87 #define SVC_NBSY 72 /* typical #ns from SERVICE cmd to !BSY */
88 #define CDR_MAJOR 73 /* CD ROM: major version number */
89 #define CDR_MINOR 74 /* CD ROM: minor version number */
90 #define QUEUE_DEPTH 75 /* queue depth */
91 #define MAJOR 80 /* major version number */
92 #define MINOR 81 /* minor version number */
93 #define CMDS_SUPP_0 82 /* command/feature set(s) supported */
94 #define CMDS_SUPP_1 83
95 #define CMDS_SUPP_2 84
96 #define CMDS_EN_0 85 /* command/feature set(s) enabled */
99 #define ULTRA_DMA 88 /* ultra DMA modes */
100 /* time to complete security erase */
101 #define ERASE_TIME 89 /* - ordinary */
102 #define ENH_ERASE_TIME 90 /* - enhanced */
103 #define ADV_PWR 91 /* current advanced power management level
104 in low byte, 0x40 in high byte. */
105 #define PSWD_CODE 92 /* master password revision code */
106 #define HWRST_RSLT 93 /* hardware reset result */
107 #define ACOUSTIC 94 /* acoustic mgmt values ( >= ATA-6) */
108 #define LBA_LSB 100 /* LBA: maximum. Currently only 48 */
109 #define LBA_MID 101 /* bits are used, but addr 103 */
110 #define LBA_48_MSB 102 /* has been reserved for LBA in */
111 #define LBA_64_MSB 103 /* the future. */
112 #define RM_STAT 127 /* removable media status notification feature set support */
113 #define SECU_STATUS 128 /* security status */
114 #define CFA_PWR_MODE 160 /* CFA power mode 1 */
115 #define START_MEDIA 176 /* media serial number */
116 #define LENGTH_MEDIA 20 /* 20 words (40 bytes or characters)*/
117 #define START_MANUF 196 /* media manufacturer I.D. */
118 #define LENGTH_MANUF 10 /* 10 words (20 bytes or characters) */
119 #define INTEGRITY 255 /* integrity word */
121 /* bit definitions within the words */
122 /* -------------------------------- */
124 /* many words are considered valid if bit 15 is 0 and bit 14 is 1 */
126 #define VALID_VAL 0x4000
127 /* many words are considered invalid if they are either all-0 or all-1 */
128 #define NOVAL_0 0x0000
129 #define NOVAL_1 0xffff
131 /* word 0: gen_config */
132 #define NOT_ATA 0x8000
133 #define NOT_ATAPI 0x4000 /* (check only if bit 15 == 1) */
134 #define MEDIA_REMOVABLE 0x0080
135 #define DRIVE_NOT_REMOVABLE 0x0040 /* bit obsoleted in ATA 6 */
136 #define INCOMPLETE 0x0004
137 #define CFA_SUPPORT_VAL 0x848a /* 848a=CFA feature set support */
138 #define DRQ_RESPONSE_TIME 0x0060
139 #define DRQ_3MS_VAL 0x0000
140 #define DRQ_INTR_VAL 0x0020
141 #define DRQ_50US_VAL 0x0040
142 #define PKT_SIZE_SUPPORTED 0x0003
143 #define PKT_SIZE_12_VAL 0x0000
144 #define PKT_SIZE_16_VAL 0x0001
145 #define EQPT_TYPE 0x1f00
150 #ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
151 static const char * const pkt_str[] = {
152 "Direct-access device", /* word 0, bits 12-8 = 00 */
153 "Sequential-access device", /* word 0, bits 12-8 = 01 */
154 "Printer", /* word 0, bits 12-8 = 02 */
155 "Processor", /* word 0, bits 12-8 = 03 */
156 "Write-once device", /* word 0, bits 12-8 = 04 */
157 "CD-ROM", /* word 0, bits 12-8 = 05 */
158 "Scanner", /* word 0, bits 12-8 = 06 */
159 "Optical memory", /* word 0, bits 12-8 = 07 */
160 "Medium changer", /* word 0, bits 12-8 = 08 */
161 "Communications device", /* word 0, bits 12-8 = 09 */
162 "ACS-IT8 device", /* word 0, bits 12-8 = 0a */
163 "ACS-IT8 device", /* word 0, bits 12-8 = 0b */
164 "Array controller", /* word 0, bits 12-8 = 0c */
165 "Enclosure services", /* word 0, bits 12-8 = 0d */
166 "Reduced block command device", /* word 0, bits 12-8 = 0e */
167 "Optical card reader/writer", /* word 0, bits 12-8 = 0f */
168 "", /* word 0, bits 12-8 = 10 */
169 "", /* word 0, bits 12-8 = 11 */
170 "", /* word 0, bits 12-8 = 12 */
171 "", /* word 0, bits 12-8 = 13 */
172 "", /* word 0, bits 12-8 = 14 */
173 "", /* word 0, bits 12-8 = 15 */
174 "", /* word 0, bits 12-8 = 16 */
175 "", /* word 0, bits 12-8 = 17 */
176 "", /* word 0, bits 12-8 = 18 */
177 "", /* word 0, bits 12-8 = 19 */
178 "", /* word 0, bits 12-8 = 1a */
179 "", /* word 0, bits 12-8 = 1b */
180 "", /* word 0, bits 12-8 = 1c */
181 "", /* word 0, bits 12-8 = 1d */
182 "", /* word 0, bits 12-8 = 1e */
183 "Unknown", /* word 0, bits 12-8 = 1f */
186 static const char * const ata1_cfg_str[] = { /* word 0 in ATA-1 mode */
187 "reserved", /* bit 0 */
188 "hard sectored", /* bit 1 */
189 "soft sectored", /* bit 2 */
190 "not MFM encoded ", /* bit 3 */
191 "head switch time > 15us", /* bit 4 */
192 "spindle motor control option", /* bit 5 */
193 "fixed drive", /* bit 6 */
194 "removable drive", /* bit 7 */
195 "disk xfer rate <= 5Mbs", /* bit 8 */
196 "disk xfer rate > 5Mbs, <= 10Mbs", /* bit 9 */
197 "disk xfer rate > 5Mbs", /* bit 10 */
198 "rotational speed tol.", /* bit 11 */
199 "data strobe offset option", /* bit 12 */
200 "track offset option", /* bit 13 */
201 "format speed tolerance gap reqd", /* bit 14 */
206 /* word 1: number of logical cylinders */
207 #define LCYLS_MAX 0x3fff /* maximum allowable value */
209 /* word 2: specific configuration
210 * (a) require SET FEATURES to spin-up
211 * (b) require spin-up to fully reply to IDENTIFY DEVICE
213 #define STBY_NID_VAL 0x37c8 /* (a) and (b) */
214 #define STBY_ID_VAL 0x738c /* (a) and not (b) */
215 #define PWRD_NID_VAL 0x8c73 /* not (a) and (b) */
216 #define PWRD_ID_VAL 0xc837 /* not (a) and not (b) */
218 /* words 47 & 59: sector_xfer_max & sector_xfer_cur */
219 #define SECTOR_XFER 0x00ff /* sectors xfered on r/w multiple cmds*/
220 #define MULTIPLE_SETTING_VALID 0x0100 /* 1=multiple sector setting is valid */
222 /* word 49: capabilities 0 */
223 #define STD_STBY 0x2000 /* 1=standard values supported (ATA);
224 0=vendor specific values */
225 #define IORDY_SUP 0x0800 /* 1=support; 0=may be supported */
226 #define IORDY_OFF 0x0400 /* 1=may be disabled */
227 #define LBA_SUP 0x0200 /* 1=Logical Block Address support */
228 #define DMA_SUP 0x0100 /* 1=Direct Memory Access support */
229 #define DMA_IL_SUP 0x8000 /* 1=interleaved DMA support (ATAPI) */
230 #define CMD_Q_SUP 0x4000 /* 1=command queuing support (ATAPI) */
231 #define OVLP_SUP 0x2000 /* 1=overlap operation support (ATAPI) */
232 #define SWRST_REQ 0x1000 /* 1=ATA SW reset required (ATAPI, obsolete */
234 /* word 50: capabilities 1 */
235 #define MIN_STANDBY_TIMER 0x0001 /* 1=device specific standby timer value minimum */
237 /* words 51 & 52: PIO & DMA cycle times */
238 #define MODE 0xff00 /* the mode is in the MSBs */
240 /* word 53: whats_valid */
241 #define OK_W88 0x0004 /* the ultra_dma info is valid */
242 #define OK_W64_70 0x0002 /* see above for word descriptions */
243 #define OK_W54_58 0x0001 /* current cyl, head, sector, cap. info valid */
245 /*word 63,88: dma_mode, ultra_dma_mode*/
246 #define MODE_MAX 7 /* bit definitions force udma <=7 (when
247 * udma >=8 comes out it'll have to be
248 * defined in a new dma_mode word!) */
250 /* word 64: PIO transfer modes */
251 #define PIO_SUP 0x00ff /* only bits 0 & 1 are used so far, */
252 #define PIO_MODE_MAX 8 /* but all 8 bits are defined */
254 /* word 75: queue_depth */
255 #define DEPTH_BITS 0x001f /* bits used for queue depth */
257 /* words 80-81: version numbers */
258 /* NOVAL_0 or NOVAL_1 means device does not report version */
260 /* word 81: minor version number */
261 #define MINOR_MAX 0x22
262 #ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
263 static const char *minor_str[MINOR_MAX+2] = { /* word 81 value: */
264 "Unspecified", /* 0x0000 */
265 "ATA-1 X3T9.2 781D prior to revision 4", /* 0x0001 */
266 "ATA-1 published, ANSI X3.221-1994", /* 0x0002 */
267 "ATA-1 X3T9.2 781D revision 4", /* 0x0003 */
268 "ATA-2 published, ANSI X3.279-1996", /* 0x0004 */
269 "ATA-2 X3T10 948D prior to revision 2k", /* 0x0005 */
270 "ATA-3 X3T10 2008D revision 1", /* 0x0006 */
271 "ATA-2 X3T10 948D revision 2k", /* 0x0007 */
272 "ATA-3 X3T10 2008D revision 0", /* 0x0008 */
273 "ATA-2 X3T10 948D revision 3", /* 0x0009 */
274 "ATA-3 published, ANSI X3.298-199x", /* 0x000a */
275 "ATA-3 X3T10 2008D revision 6", /* 0x000b */
276 "ATA-3 X3T13 2008D revision 7 and 7a", /* 0x000c */
277 "ATA/ATAPI-4 X3T13 1153D revision 6", /* 0x000d */
278 "ATA/ATAPI-4 T13 1153D revision 13", /* 0x000e */
279 "ATA/ATAPI-4 X3T13 1153D revision 7", /* 0x000f */
280 "ATA/ATAPI-4 T13 1153D revision 18", /* 0x0010 */
281 "ATA/ATAPI-4 T13 1153D revision 15", /* 0x0011 */
282 "ATA/ATAPI-4 published, ANSI INCITS 317-1998", /* 0x0012 */
283 "ATA/ATAPI-5 T13 1321D revision 3",
284 "ATA/ATAPI-4 T13 1153D revision 14", /* 0x0014 */
285 "ATA/ATAPI-5 T13 1321D revision 1", /* 0x0015 */
286 "ATA/ATAPI-5 published, ANSI INCITS 340-2000", /* 0x0016 */
287 "ATA/ATAPI-4 T13 1153D revision 17", /* 0x0017 */
288 "ATA/ATAPI-6 T13 1410D revision 0", /* 0x0018 */
289 "ATA/ATAPI-6 T13 1410D revision 3a", /* 0x0019 */
290 "ATA/ATAPI-7 T13 1532D revision 1", /* 0x001a */
291 "ATA/ATAPI-6 T13 1410D revision 2", /* 0x001b */
292 "ATA/ATAPI-6 T13 1410D revision 1", /* 0x001c */
293 "ATA/ATAPI-7 published, ANSI INCITS 397-2005", /* 0x001d */
294 "ATA/ATAPI-7 T13 1532D revision 0", /* 0x001e */
295 "Reserved" /* 0x001f */
296 "Reserved" /* 0x0020 */
297 "ATA/ATAPI-7 T13 1532D revision 4a", /* 0x0021 */
298 "ATA/ATAPI-6 published, ANSI INCITS 361-2002", /* 0x0022 */
299 "Reserved" /* 0x0023-0xfffe*/
302 static const char actual_ver[MINOR_MAX+2] = {
304 0, /* 0x0000 WARNING: */
305 1, /* 0x0001 WARNING: */
306 1, /* 0x0002 WARNING: */
307 1, /* 0x0003 WARNING: */
308 2, /* 0x0004 WARNING: This array */
309 2, /* 0x0005 WARNING: corresponds */
310 3, /* 0x0006 WARNING: *exactly* */
311 2, /* 0x0007 WARNING: to the ATA/ */
312 3, /* 0x0008 WARNING: ATAPI version */
313 2, /* 0x0009 WARNING: listed in */
314 3, /* 0x000a WARNING: the */
315 3, /* 0x000b WARNING: minor_str */
316 3, /* 0x000c WARNING: array */
317 4, /* 0x000d WARNING: above. */
318 4, /* 0x000e WARNING: */
319 4, /* 0x000f WARNING: if you change */
320 4, /* 0x0010 WARNING: that one, */
321 4, /* 0x0011 WARNING: change this one */
322 4, /* 0x0012 WARNING: too!!! */
323 5, /* 0x0013 WARNING: */
324 4, /* 0x0014 WARNING: */
325 5, /* 0x0015 WARNING: */
326 5, /* 0x0016 WARNING: */
327 4, /* 0x0017 WARNING: */
328 6, /* 0x0018 WARNING: */
329 6, /* 0x0019 WARNING: */
330 7, /* 0x001a WARNING: */
331 6, /* 0x001b WARNING: */
332 6, /* 0x001c WARNING: */
333 7, /* 0x001d WARNING: */
334 7, /* 0x001e WARNING: */
335 0, /* 0x001f WARNING: */
336 0, /* 0x0020 WARNING: */
337 7, /* 0x0021 WARNING: */
338 6, /* 0x0022 WARNING: */
339 0 /* 0x0023-0xfffe */
342 /* words 82-84: cmds/feats supported */
343 #define CMDS_W82 0x77ff /* word 82: defined command locations*/
344 #define CMDS_W83 0x3fff /* word 83: defined command locations*/
345 #define CMDS_W84 0x002f /* word 83: defined command locations*/
346 #define SUPPORT_48_BIT 0x0400
347 #define NUM_CMD_FEAT_STR 48
349 #ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
350 static const char * const cmd_feat_str[] = {
351 "", /* word 82 bit 15: obsolete */
352 "NOP cmd", /* word 82 bit 14 */
353 "READ BUFFER cmd", /* word 82 bit 13 */
354 "WRITE BUFFER cmd", /* word 82 bit 12 */
355 "", /* word 82 bit 11: obsolete */
356 "Host Protected Area feature set", /* word 82 bit 10 */
357 "DEVICE RESET cmd", /* word 82 bit 9 */
358 "SERVICE interrupt", /* word 82 bit 8 */
359 "Release interrupt", /* word 82 bit 7 */
360 "Look-ahead", /* word 82 bit 6 */
361 "Write cache", /* word 82 bit 5 */
362 "PACKET command feature set", /* word 82 bit 4 */
363 "Power Management feature set", /* word 82 bit 3 */
364 "Removable Media feature set", /* word 82 bit 2 */
365 "Security Mode feature set", /* word 82 bit 1 */
366 "SMART feature set", /* word 82 bit 0 */
368 "", /* word 83 bit 15: !valid bit */
369 "", /* word 83 bit 14: valid bit */
370 "FLUSH CACHE EXT command", /* word 83 bit 13 */
371 "Mandatory FLUSH CACHE command ", /* word 83 bit 12 */
372 "Device Configuration Overlay feature set ",
373 "48-bit Address feature set ", /* word 83 bit 10 */
375 "SET MAX security extension", /* word 83 bit 8 */
376 "Address Offset Reserved Area Boot", /* word 83 bit 7 */
377 "SET FEATURES subcommand required to spinup after power up",
378 "Power-Up In Standby feature set", /* word 83 bit 5 */
379 "Removable Media Status Notification feature set",
380 "Adv. Power Management feature set",/* word 83 bit 3 */
381 "CFA feature set", /* word 83 bit 2 */
382 "READ/WRITE DMA QUEUED", /* word 83 bit 1 */
383 "DOWNLOAD MICROCODE cmd", /* word 83 bit 0 */
385 "", /* word 84 bit 15: !valid bit */
386 "", /* word 84 bit 14: valid bit */
387 "", /* word 84 bit 13: reserved */
388 "", /* word 84 bit 12: reserved */
389 "", /* word 84 bit 11: reserved */
390 "", /* word 84 bit 10: reserved */
391 "", /* word 84 bit 9: reserved */
392 "", /* word 84 bit 8: reserved */
393 "", /* word 84 bit 7: reserved */
394 "", /* word 84 bit 6: reserved */
395 "General Purpose Logging feature set", /* word 84 bit 5 */
396 "", /* word 84 bit 4: reserved */
397 "Media Card Pass Through Command feature set ",
398 "Media serial number ", /* word 84 bit 2 */
399 "SMART self-test ", /* word 84 bit 1 */
400 "SMART error logging " /* word 84 bit 0 */
405 /* words 85-87: cmds/feats enabled */
406 /* use cmd_feat_str[] to display what commands and features have
407 * been enabled with words 85-87
410 /* words 89, 90, SECU ERASE TIME */
411 #define ERASE_BITS 0x00ff
413 /* word 92: master password revision */
414 /* NOVAL_0 or NOVAL_1 means no support for master password revision */
416 /* word 93: hw reset result */
417 #define CBLID 0x2000 /* CBLID status */
418 #define RST0 0x0001 /* 1=reset to device #0 */
419 #define DEV_DET 0x0006 /* how device num determined */
420 #define JUMPER_VAL 0x0002 /* device num determined by jumper */
421 #define CSEL_VAL 0x0004 /* device num determined by CSEL_VAL */
423 /* word 127: removable media status notification feature set support */
424 #define RM_STAT_BITS 0x0003
425 #define RM_STAT_SUP 0x0001
427 /* word 128: security */
428 #define SECU_ENABLED 0x0002
429 #define SECU_LEVEL 0x0010
430 #define NUM_SECU_STR 6
431 #ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
432 static const char * const secu_str[] = {
433 "supported", /* word 128, bit 0 */
434 "enabled", /* word 128, bit 1 */
435 "locked", /* word 128, bit 2 */
436 "frozen", /* word 128, bit 3 */
437 "expired: security count", /* word 128, bit 4 */
438 "supported: enhanced erase" /* word 128, bit 5 */
442 /* word 160: CFA power mode */
443 #define VALID_W160 0x8000 /* 1=word valid */
444 #define PWR_MODE_REQ 0x2000 /* 1=CFA power mode req'd by some cmds*/
445 #define PWR_MODE_OFF 0x1000 /* 1=CFA power moded disabled */
446 #define MAX_AMPS 0x0fff /* value = max current in ma */
448 /* word 255: integrity */
449 #define SIG 0x00ff /* signature location */
450 #define SIG_VAL 0x00A5 /* signature value */
452 #define VERSION "v5.4"
455 #define TIMING_BUF_MB 1
456 #define TIMING_BUF_BYTES (TIMING_BUF_MB * 1024 * 1024)
457 #define TIMING_BUF_COUNT (timing_MB / TIMING_BUF_MB)
458 #define BUFCACHE_FACTOR 2
460 #undef DO_FLUSHCACHE /* under construction: force cache flush on -W0 */
462 /* Busybox messages and functions */
464 static const char bb_msg_shared_mem[] = "could not %s sharedmem buf";
465 static const char bb_msg_op_not_supp[] = " operation not supported on %s disks";
467 static int bb_ioctl(int fd, int request, void *argp, const char *string)
469 int e = ioctl(fd, request, argp);
471 bb_perror_msg(" %s", string);
475 static int bb_ioctl_alt(int fd, int cmd, unsigned char *args, int alt, const char *string)
477 if (!ioctl(fd, cmd, args))
480 return bb_ioctl(fd, cmd, args, string);
484 static void if_printf(unsigned long i, char *fmt, ... )
493 static void on_off(unsigned int value);
495 static void if_printf_on_off(unsigned long get_arg,const char *fmt, unsigned long arg)
504 static void bb_ioctl_on_off(int fd, int request, void *argp, const char *string,
507 if (ioctl(fd, request, &argp) != 0)
508 bb_perror_msg(" %s", string);
511 printf(fmt, (unsigned long) argp);
512 on_off((unsigned long) argp);
516 #ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
517 static void if_else_printf(unsigned long i, char *fmt1, char *fmt2, ... )
528 static void print_ascii(uint16_t *p, uint8_t length);
530 static void xprint_ascii(uint16_t *val ,int i, char * string, int n)
534 printf("\t%-20s",string);
535 print_ascii(&val[i], n);
539 static void if_strcat(unsigned long test, char *modes, char *string)
542 strcat(modes,string);
546 static void sync_and_sleep(int i)
552 static uint16_t check_if_min_and_set_val(uint16_t a, uint16_t b)
559 static uint16_t check_if_maj_and_set_val(uint16_t a, uint16_t b)
566 static unsigned long int set_flag(char *p, char max)
568 if (*p >= '0' && *p <= max )
573 /* end of busybox specific stuff */
575 #ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
576 static uint8_t mode_loop(uint16_t mode_sup, uint16_t mode_sel, int cc, uint8_t *have_mode)
581 for (ii = 0; ii <= MODE_MAX; ii++)
583 if (mode_sel & 0x0001)
585 printf("*%cdma%u ",cc,ii);
590 else if (mode_sup & 0x0001)
591 printf("%cdma%u ",cc,ii);
599 static void print_ascii(uint16_t *p, uint8_t length) {
603 /* find first non-space & print it */
604 for (ii = 0; ii< length; ii++)
606 if (((char) 0x00ff&((*p)>>8)) != ' ')
608 if ((cl = (char) 0x00ff&(*p)) != ' ')
610 if_printf((cl != '\0'),"%c",cl);
618 for (; ii< length; ii++)
621 break; /* some older devices have NULLs */
622 printf("%c%c",(char)0x00ff&((*p)>>8),(char)(*p)&0x00ff);
628 /* identify() is the only extern function used across two source files. The
629 others, though, were declared in hdparm.c with global scope; since other
630 functions in that file have static (file) scope, I assume the difference is
632 static void identify(uint16_t *id_supplied)
635 uint16_t *val, ii, jj, kk;
636 uint16_t like_std = 1, std = 0, min_std = 0xffff;
637 uint16_t dev = NO_DEV, eqpt = NO_DEV;
638 uint8_t have_mode = 0, err_dma = 0;
640 uint32_t ll, mm, nn, oo;
641 uint64_t bbbig; /* (:) */
644 swab(id_supplied, buf, sizeof(buf));
646 } else val = id_supplied;
650 /* check if we recognise the device type */
652 if(!(val[GEN_CONFIG] & NOT_ATA))
655 printf("ATA device, with ");
657 else if(val[GEN_CONFIG]==CFA_SUPPORT_VAL)
661 printf("CompactFlash ATA device, with ");
663 else if(!(val[GEN_CONFIG] & NOT_ATAPI))
666 eqpt = (val[GEN_CONFIG] & EQPT_TYPE) >> SHIFT_EQPT;
667 printf("ATAPI %s, with ", pkt_str[eqpt]);
671 /*"Unknown device type:\n\tbits 15&14 of general configuration word 0 both set to 1.\n"*/
672 bb_error_msg_and_die("Unknown device type");
674 if_printf(!(val[GEN_CONFIG] & MEDIA_REMOVABLE),"non-");
675 printf("removable media\n");
677 /* Info from the specific configuration word says whether or not the
678 * ID command completed correctly. It is only defined, however in
679 * ATA/ATAPI-5 & 6; it is reserved (value theoretically 0) in prior
680 * standards. Since the values allowed for this word are extremely
681 * specific, it should be safe to check it now, even though we don't
682 * know yet what standard this device is using.
684 if ((val[CONFIG]==STBY_NID_VAL) || (val[CONFIG]==STBY_ID_VAL) ||
685 (val[CONFIG]==PWRD_NID_VAL) || (val[CONFIG]==PWRD_ID_VAL) )
688 if_printf(((val[CONFIG]==STBY_NID_VAL) || (val[CONFIG]==STBY_ID_VAL)),
689 "powers-up in standby; SET FEATURES subcmd spins-up.\n");
690 if_printf((((val[CONFIG]==STBY_NID_VAL) || (val[CONFIG]==PWRD_NID_VAL)) && (val[GEN_CONFIG] & INCOMPLETE)),
691 "\n\tWARNING: ID response incomplete.\n\tFollowing data may be incorrect.\n\n");
694 /* output the model and serial numbers and the fw revision */
695 xprint_ascii(val, START_MODEL, "Model Number:", LENGTH_MODEL);
696 xprint_ascii(val, START_SERIAL, "Serial Number:", LENGTH_SERIAL);
697 xprint_ascii(val, START_FW_REV, "Firmware Revision:", LENGTH_FW_REV);
698 xprint_ascii(val, START_MEDIA, "Media Serial Num:", LENGTH_MEDIA);
699 xprint_ascii(val, START_MANUF, "Media Manufacturer:", LENGTH_MANUF);
701 /* major & minor standards version number (Note: these words were not
702 * defined until ATA-3 & the CDROM std uses different words.) */
703 printf("Standards:");
706 if (val[MINOR] && (val[MINOR] <= MINOR_MAX))
708 like_std=check_if_min_and_set_val(like_std, 3);
709 std = actual_ver[val[MINOR]];
710 if_printf(std,"\n\tUsed: %s ",minor_str[val[MINOR]]);
713 /* looks like when they up-issue the std, they obsolete one;
714 * thus, only the newest 4 issues need be supported. (That's
715 * what "kk" and "min_std" are all about.) */
716 if (val[MAJOR] && (val[MAJOR] !=NOVAL_1))
718 printf("\n\tSupported: ");
719 jj = val[MAJOR] << 1;
720 kk = like_std >4 ? like_std-4: 0;
721 for (ii = 14; (ii >0)&&(ii>kk); ii--)
729 kk = like_std >4 ? like_std-4: 0;
731 min_std=check_if_maj_and_set_val(min_std, ii);
735 like_std=check_if_min_and_set_val(like_std, 3);
737 /* Figure out what standard the device is using if it hasn't told
738 * us. If we know the std, check if the device is using any of
739 * the words from the next level up. It happens.
741 like_std=check_if_min_and_set_val(like_std, std);
743 if (((std == 5) || (!std && (like_std < 6))) &&
744 ((((val[CMDS_SUPP_1] & VALID) == VALID_VAL) &&
745 (( val[CMDS_SUPP_1] & CMDS_W83) > 0x00ff)) ||
746 ((( val[CMDS_SUPP_2] & VALID) == VALID_VAL) &&
747 ( val[CMDS_SUPP_2] & CMDS_W84) ) ) )
751 else if (((std == 4) || (!std && (like_std < 5))) &&
752 ((((val[INTEGRITY] & SIG) == SIG_VAL) && !chksum) ||
753 (( val[HWRST_RSLT] & VALID) == VALID_VAL) ||
754 ((( val[CMDS_SUPP_1] & VALID) == VALID_VAL) &&
755 (( val[CMDS_SUPP_1] & CMDS_W83) > 0x001f)) ) )
759 else if (((std == 3) || (!std && (like_std < 4))) &&
760 ((((val[CMDS_SUPP_1] & VALID) == VALID_VAL) &&
761 ((( val[CMDS_SUPP_1] & CMDS_W83) > 0x0000) ||
762 (( val[CMDS_SUPP_0] & CMDS_W82) > 0x000f))) ||
763 (( val[CAPAB_1] & VALID) == VALID_VAL) ||
764 (( val[WHATS_VALID] & OK_W88) && val[ULTRA_DMA]) ||
765 (( val[RM_STAT] & RM_STAT_BITS) == RM_STAT_SUP) ) )
769 else if (((std == 2) || (!std && (like_std < 3))) &&
770 ((val[CMDS_SUPP_1] & VALID) == VALID_VAL) )
774 else if (((std == 1) || (!std && (like_std < 2))) &&
775 ((val[CAPAB_0] & (IORDY_SUP | IORDY_OFF)) ||
776 (val[WHATS_VALID] & OK_W64_70)) )
781 printf("\n\tLikely used: %u\n",like_std);
782 else if (like_std > std)
783 printf("& some of %u\n",like_std);
789 /* TBD: do CDROM stuff more thoroughly. For now... */
791 if (val[CDR_MINOR] == 9)
794 printf("\n\tUsed: ATAPI for CD-ROMs, SFF-8020i, r2.5");
796 if (val[CDR_MAJOR] && (val[CDR_MAJOR] !=NOVAL_1))
799 printf("\n\tSupported: CD-ROM ATAPI");
800 jj = val[CDR_MAJOR] >> 1;
801 for (ii = 1; ii <15; ii++)
803 if_printf((jj & 0x0001),"-%u ", ii);
807 if_else_printf((!kk),"\n\tLikely used CD-ROM ATAPI-1\n","\n");
808 /* the cdrom stuff is more like ATA-2 than anything else, so: */
812 if (min_std == 0xffff)
813 min_std = like_std > 4 ? like_std - 3 : 1;
815 printf("Configuration:\n");
816 /* more info from the general configuration word */
817 if ((eqpt != CDROM) && (like_std == 1))
819 jj = val[GEN_CONFIG] >> 1;
820 for (ii = 1; ii < 15; ii++)
822 if_printf((jj & 0x0001),"\t%s\n",ata1_cfg_str[ii]);
826 if (dev == ATAPI_DEV)
828 printf("\tDRQ response: "); /* Data Request (DRQ) */
829 switch(val[GEN_CONFIG] & DRQ_RESPONSE_TIME)
835 printf("<=10ms with INTRQ\n");
841 printf("unknown.\n");
844 printf("\tPacket size: ");
845 switch(val[GEN_CONFIG] & PKT_SIZE_SUPPORTED)
847 case PKT_SIZE_12_VAL :
848 printf("12 bytes\n");
850 case PKT_SIZE_16_VAL :
851 printf("16 bytes\n");
860 /* addressing...CHS? See section 6.2 of ATA specs 4 or 5 */
861 ll = (uint32_t)val[LBA_SECTS_MSB] << 16 | val[LBA_SECTS_LSB];
863 if ( (ll > 0x00FBFC10) && (!val[LCYLS]))
864 printf("\tCHS addressing not supported\n");
867 jj = val[WHATS_VALID] & OK_W54_58;
868 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",
869 val[LCYLS],jj?val[LCYLS_CUR]:0, val[LHEADS],jj?val[LHEADS_CUR]:0, val[LSECTS],jj?val[LSECTS_CUR]:0);
871 if_printf(((min_std == 1) && (val[TRACK_BYTES] || val[SECT_BYTES])),
872 "\tbytes/track: %u\tbytes/sector: %u\n",val[TRACK_BYTES], val[SECT_BYTES]);
876 mm = (uint32_t)val[CAPACITY_MSB] << 16 | val[CAPACITY_LSB];
879 /* check Endian of capacity bytes */
880 nn = val[LCYLS_CUR] * val[LHEADS_CUR] * val[LSECTS_CUR];
881 oo = (uint32_t)val[CAPACITY_LSB] << 16 | val[CAPACITY_MSB];
882 if (abs(mm - nn) > abs(oo - nn))
885 printf("\tCHS current addressable sectors:%11u\n",mm);
889 printf("\tLBA user addressable sectors:%11u\n",ll);
890 if ( ((val[CMDS_SUPP_1] & VALID) == VALID_VAL) &&
891 (val[CMDS_SUPP_1] & SUPPORT_48_BIT) )
893 bbbig = (uint64_t)val[LBA_64_MSB] << 48 |
894 (uint64_t)val[LBA_48_MSB] << 32 |
895 (uint64_t)val[LBA_MID] << 16 |
897 printf("\tLBA48 user addressable sectors:%11llu\n",bbbig);
901 bbbig = (uint64_t)(ll>mm ? ll : mm); /* # 512 byte blocks */
902 printf("\tdevice size with M = 1024*1024: %11llu MBytes\n",bbbig>>11);
903 bbbig = (bbbig<<9)/1000000;
904 printf("\tdevice size with M = 1000*1000: %11llu MBytes ",bbbig);
906 if_else_printf((bbbig > 1000),"(%llu GB)\n","\n",bbbig/1000);
910 /* hw support of commands (capabilities) */
911 printf("Capabilities:\n\t");
913 if (dev == ATAPI_DEV)
916 if_printf((val[CAPAB_0] & CMD_Q_SUP),"Cmd queuing, ");
918 if_printf((val[CAPAB_0] & OVLP_SUP),"Cmd overlap, ");
920 if_printf((val[CAPAB_0] & LBA_SUP),"LBA, ");
925 if_printf((!(val[CAPAB_0] & IORDY_SUP)),"(may be)");
926 if_else_printf((val[CAPAB_0] & IORDY_OFF),"(can","(cannot");
927 printf(" be disabled)\n");
930 printf("no IORDY\n");
932 if ((like_std == 1) && val[BUF_TYPE])
935 printf("\tBuffer type: %04x: ",kk);
936 if_else_printf((kk < 2),"single port, single-sector","dual port, multi-sector");
937 if_printf((kk > 2)," with read caching ability");
941 if ((min_std == 1) && (val[BUFFER__SIZE] && (val[BUFFER__SIZE] != NOVAL_1)))
943 printf("\tBuffer size: %.1fkB",(float)val[BUFFER__SIZE]/2);
946 if ((min_std < 4) && (val[RW_LONG]))
948 printf("\tbytes avail on r/w long: %u",val[RW_LONG]);
951 if ((eqpt != CDROM) && (like_std > 3))
953 printf("\tQueue depth: %u",(val[QUEUE_DEPTH] & DEPTH_BITS)+1);
961 printf("\tCan%s perform double-word IO\n",(!val[DWORD_IO]) ?"not":"");
964 printf("\tStandby timer values: spec'd by ");
965 if_else_printf((val[CAPAB_0] & STD_STBY),"Standard","Vendor");
966 if ((like_std > 3) && ((val[CAPAB_1] & VALID) == VALID_VAL))
967 printf(", %s device specific minimum\n",(val[CAPAB_1] & MIN_STANDBY_TIMER)?"with":"no");
971 printf("\tR/W multiple sector transfer: ");
972 if ((like_std < 3) && !(val[SECTOR_XFER_MAX] & SECTOR_XFER))
973 printf("not supported\n");
976 printf("Max = %u\tCurrent = ",val[SECTOR_XFER_MAX] & SECTOR_XFER);
977 if_else_printf((val[SECTOR_XFER_CUR] & MULTIPLE_SETTING_VALID),
978 "%u\n","?\n",val[SECTOR_XFER_CUR] & SECTOR_XFER);
980 if ((like_std > 3) && (val[CMDS_SUPP_1] & 0x0008))
982 /* We print out elsewhere whether the APM feature is enabled or
983 not. If it's not enabled, let's not repeat the info; just print
985 printf("\tAdvancedPM level: ");
986 if ( (val[ADV_PWR] & 0xFF00) == 0x4000 )
988 uint8_t apm_level = val[ADV_PWR] & 0x00FF;
989 printf("%u (0x%x)\n", apm_level, apm_level);
992 printf("unknown setting (0x%04x)\n", val[ADV_PWR]);
996 if_printf(val[ACOUSTIC],"\tRecommended acoustic management value: %u, current value: %u\n",
997 (val[ACOUSTIC] >> 8) & 0x00ff, val[ACOUSTIC] & 0x00ff);
1004 if_printf((val[CAPAB_0] & SWRST_REQ),"\tATA sw reset required\n");
1006 if (val[PKT_REL] || val[SVC_NBSY])
1008 printf("\tOverlap support:");
1009 if_printf(val[PKT_REL]," %uus to release bus.",val[PKT_REL]);
1010 if_printf(val[SVC_NBSY]," %uus to clear BSY after SERVICE cmd.",val[SVC_NBSY]);
1015 /* DMA stuff. Check that only one DMA mode is selected. */
1017 if (!(val[CAPAB_0] & DMA_SUP))
1018 printf("not supported\n");
1021 if_printf((val[DMA_MODE] && !val[SINGLE_DMA] && !val[MULTI_DMA]),
1022 " sdma%u\n",(val[DMA_MODE] & MODE) >> 8);
1023 if (val[SINGLE_DMA])
1025 jj = val[SINGLE_DMA];
1026 kk = val[SINGLE_DMA] >> 8;
1027 err_dma += mode_loop(jj,kk,'s',&have_mode);
1031 jj = val[MULTI_DMA];
1032 kk = val[MULTI_DMA] >> 8;
1033 err_dma += mode_loop(jj,kk,'m',&have_mode);
1035 if ((val[WHATS_VALID] & OK_W88) && val[ULTRA_DMA])
1037 jj = val[ULTRA_DMA];
1038 kk = val[ULTRA_DMA] >> 8;
1039 err_dma += mode_loop(jj,kk,'u',&have_mode);
1041 if_printf((err_dma || !have_mode),"(?)");
1044 if_printf(((dev == ATAPI_DEV) && (eqpt != CDROM) && (val[CAPAB_0] & DMA_IL_SUP)),
1045 "\t Interleaved DMA support\n");
1047 if ((val[WHATS_VALID] & OK_W64_70) &&
1048 (val[DMA_TIME_MIN] || val[DMA_TIME_NORM]))
1050 printf("\t Cycle time:");
1051 if_printf(val[DMA_TIME_MIN]," min=%uns",val[DMA_TIME_MIN]);
1052 if_printf(val[DMA_TIME_NORM]," recommended=%uns",val[DMA_TIME_NORM]);
1057 /* Programmed IO stuff */
1059 /* If a drive supports mode n (e.g. 3), it also supports all modes less
1060 * than n (e.g. 3, 2, 1 and 0). Print all the modes. */
1061 if ((val[WHATS_VALID] & OK_W64_70) && (val[ADV_PIO_MODES] & PIO_SUP))
1063 jj = ((val[ADV_PIO_MODES] & PIO_SUP) << 3) | 0x0007;
1064 for (ii = 0; ii <= PIO_MODE_MAX ; ii++)
1066 if_printf((jj & 0x0001),"pio%d ",ii);
1071 else if (((min_std < 5) || (eqpt == CDROM)) && (val[PIO_MODE] & MODE) )
1073 for (ii = 0; ii <= val[PIO_MODE]>>8; ii++)
1074 printf("pio%d ",ii);
1078 printf("unknown\n");
1080 if (val[WHATS_VALID] & OK_W64_70)
1082 if (val[PIO_NO_FLOW] || val[PIO_FLOW])
1084 printf("\t Cycle time:");
1085 if_printf(val[PIO_NO_FLOW]," no flow control=%uns", val[PIO_NO_FLOW]);
1086 if_printf(val[PIO_FLOW]," IORDY flow control=%uns", val[PIO_FLOW]);
1091 if ((val[CMDS_SUPP_1] & VALID) == VALID_VAL)
1093 printf("Commands/features:\n\tEnabled\tSupported:\n");
1094 jj = val[CMDS_SUPP_0];
1095 kk = val[CMDS_EN_0];
1096 for (ii = 0; ii < NUM_CMD_FEAT_STR; ii++)
1098 if ((jj & 0x8000) && (*cmd_feat_str[ii] != '\0'))
1100 if_else_printf((kk & 0x8000),"\t *","\t");
1101 printf("\t%s\n",cmd_feat_str[ii]);
1106 jj = val[CMDS_SUPP_0+1+(ii/16)];
1107 kk = val[CMDS_EN_0+1+(ii/16)];
1111 if ((val[CMDS_SUPP_2] & VALID) != VALID_VAL)
1116 if_printf(((val[RM_STAT] & RM_STAT_BITS) == RM_STAT_SUP),
1117 "\tRemovable Media Status Notification feature set supported\n");
1121 if ((eqpt != CDROM) && (like_std > 3) &&
1122 (val[SECU_STATUS] || val[ERASE_TIME] || val[ENH_ERASE_TIME]))
1124 printf("Security: \n");
1125 if_printf((val[PSWD_CODE] && (val[PSWD_CODE] != NOVAL_1)),
1126 "\tMaster password revision code = %u\n",val[PSWD_CODE]);
1127 jj = val[SECU_STATUS];
1130 for (ii = 0; ii < NUM_SECU_STR; ii++)
1132 if_else_printf((!(jj & 0x0001)),"\tnot\t%s\n", "\t\t%s\n", secu_str[ii]);
1135 if (val[SECU_STATUS] & SECU_ENABLED)
1137 printf("\tSecurity level ");
1138 if_else_printf((val[SECU_STATUS] & SECU_LEVEL),"maximum\n","high\n");
1141 jj = val[ERASE_TIME] & ERASE_BITS;
1142 kk = val[ENH_ERASE_TIME] & ERASE_BITS;
1146 if_printf(jj,"%umin for SECURITY ERASE UNIT. ", jj==ERASE_BITS ? 508 : jj<<1);
1147 if_printf(kk,"%umin for ENHANCED SECURITY ERASE UNIT.", kk==ERASE_BITS ? 508 : kk<<1);
1153 if ((val[HWRST_RSLT] & VALID) == VALID_VAL)
1155 printf("HW reset results:\n");
1156 if_else_printf((val[HWRST_RSLT] & CBLID),"\tCBLID- above Vih\n","\tCBLID- below Vih\n");
1158 if (val[HWRST_RSLT] & RST0)
1160 printf("\tDevice num = 0");
1161 jj = val[HWRST_RSLT];
1165 printf("\tDevice num = 1");
1166 jj = val[HWRST_RSLT] >> 8;
1169 if ((jj & DEV_DET) == JUMPER_VAL)
1170 printf(" determined by the jumper");
1171 else if ((jj & DEV_DET) == CSEL_VAL)
1172 printf(" determined by CSEL");
1176 /* more stuff from std 5 */
1177 if ((like_std > 4) && (eqpt != CDROM))
1179 if (val[CFA_PWR_MODE] & VALID_W160)
1181 printf("CFA power mode 1:\n\t");
1182 if_else_printf((val[CFA_PWR_MODE] & PWR_MODE_OFF),"disabled","enabled");
1184 if_printf((val[CFA_PWR_MODE] & PWR_MODE_REQ)," and required by some commands");
1187 if_printf((val[CFA_PWR_MODE] & MAX_AMPS),"\tMaximum current = %uma\n",val[CFA_PWR_MODE] & MAX_AMPS);
1189 if ((val[INTEGRITY] & SIG) == SIG_VAL)
1191 printf("Checksum: ");
1192 if_printf(chksum,"in");
1193 printf("correct\n");
1201 static int verbose, get_identity, get_geom, noisy = 1, quiet;
1202 static int flagcount, do_flush;
1203 static int do_ctimings, do_timings;
1205 static unsigned long set_readahead, get_readahead, Xreadahead;
1206 static unsigned long set_readonly, get_readonly, readonly;
1207 static unsigned long set_unmask, get_unmask, unmask;
1208 static unsigned long set_mult, get_mult, mult;
1209 #ifdef CONFIG_FEATURE_HDPARM_HDIO_GETSET_DMA
1210 static unsigned long set_dma, get_dma, dma;
1212 static unsigned long set_dma_q, get_dma_q, dma_q;
1213 static unsigned long set_nowerr, get_nowerr, nowerr;
1214 static unsigned long set_keep, get_keep, keep;
1215 static unsigned long set_io32bit, get_io32bit, io32bit;
1216 static unsigned long set_piomode, noisy_piomode;
1218 #ifdef HDIO_DRIVE_CMD
1219 static unsigned long set_dkeep, get_dkeep, dkeep;
1220 static unsigned long set_standby, get_standby, standby_requested;
1221 static unsigned long set_xfermode, get_xfermode;
1222 static int xfermode_requested;
1223 static unsigned long set_lookahead, get_lookahead, lookahead;
1224 static unsigned long set_prefetch, get_prefetch, prefetch;
1225 static unsigned long set_defects, get_defects, defects;
1226 static unsigned long set_wcache, get_wcache, wcache;
1227 static unsigned long set_doorlock, get_doorlock, doorlock;
1228 static unsigned long set_seagate, get_seagate;
1229 static unsigned long set_standbynow, get_standbynow;
1230 static unsigned long set_sleepnow, get_sleepnow;
1231 static unsigned long get_powermode;
1232 static unsigned long set_apmmode, get_apmmode, apmmode;
1234 #ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
1235 static int get_IDentity;
1237 #ifdef CONFIG_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF
1238 static int unregister_hwif;
1241 #ifdef CONFIG_FEATURE_HDPARM_HDIO_SCAN_HWIF
1242 static int scan_hwif;
1243 static int hwif_data;
1244 static int hwif_ctrl;
1245 static int hwif_irq;
1247 #ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
1248 static int set_busstate, get_busstate, busstate;
1250 static int reread_partn;
1252 #ifdef CONFIG_FEATURE_HDPARM_HDIO_DRIVE_RESET
1253 static int perform_reset;
1254 #endif /* CONFIG_FEATURE_HDPARM_HDIO_DRIVE_RESET */
1255 #ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
1256 static int perform_tristate, tristate;
1257 #endif /* CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF */
1259 // Historically, if there was no HDIO_OBSOLETE_IDENTITY, then
1260 // then the HDIO_GET_IDENTITY only returned 142 bytes.
1261 // Otherwise, HDIO_OBSOLETE_IDENTITY returns 142 bytes,
1262 // and HDIO_GET_IDENTITY returns 512 bytes. But the latest
1263 // 2.5.xx kernels no longer define HDIO_OBSOLETE_IDENTITY
1264 // (which they should, but they should just return -EINVAL).
1266 // So.. we must now assume that HDIO_GET_IDENTITY returns 512 bytes.
1267 // On a really old system, it will not, and we will be confused.
1270 #ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
1271 static const char * const cfg_str[] =
1272 { "", " HardSect", " SoftSect", " NotMFM",
1273 " HdSw>15uSec", " SpinMotCtl", " Fixed", " Removeable",
1274 " DTR<=5Mbs", " DTR>5Mbs", " DTR>10Mbs", " RotSpdTol>.5%",
1275 " dStbOff", " TrkOff", " FmtGapReq", " nonMagnetic"
1278 static const char * const BuffType[] = {"unknown", "1Sect", "DualPort", "DualPortCache"};
1280 static void dump_identity(const struct hd_driveid *id)
1283 char pmodes[64], dmodes[128], umodes[128];
1284 const unsigned short int *id_regs= (const void*) id;
1285 unsigned long capacity;
1287 pmodes[0] = dmodes[0] = umodes[0] = '\0';
1289 printf("\n Model=%.40s, FwRev=%.8s, SerialNo=%.20s\n Config={",
1290 id->model, id->fw_rev, id->serial_no);
1291 for (i=0; i<=15; i++)
1292 if_printf((id->config & (1<<i)),"%s", cfg_str[i]);
1294 printf(" }\n RawCHS=%u/%u/%u, TrkSize=%u, SectSize=%u, ECCbytes=%u\n",
1295 id->cyls, id->heads, id->sectors, id->track_bytes,
1296 id->sector_bytes, id->ecc_bytes);
1298 if (id->buf_type > 3)
1299 printf("%s%u", " BuffType=", id->buf_type);
1301 printf("%s%s", " BuffType=", BuffType[id->buf_type]);
1303 printf(", BuffSize=%ukB, MaxMultSect=%u", id->buf_size/2, id->max_multsect);
1304 if (id->max_multsect)
1306 printf(", MultSect=");
1307 if (!(id->multsect_valid&1))
1308 printf("?%u?", id->multsect);
1309 else if (id->multsect)
1310 printf("%u", id->multsect);
1317 strcat(pmodes, "pio0 ");
1318 if_strcat((id->tPIO >= 1), pmodes, "pio1 ");
1319 if_strcat((id->tPIO >= 2), pmodes, "pio2 ");
1322 if_printf((!(id->field_valid&1))," (maybe):");
1323 #if __BYTE_ORDER == __BIG_ENDIAN
1324 capacity = (id->cur_capacity0 << 16) | id->cur_capacity1;
1326 capacity = (id->cur_capacity1 << 16) | id->cur_capacity0;
1328 printf(" CurCHS=%u/%u/%u, CurSects=%lu, LBA=%s",id->cur_cyls, id->cur_heads,
1329 id->cur_sectors, capacity ,
1330 ((id->capability&2)==0)?"no":"yes");
1332 if_printf((id->capability&2),", LBAsects=%u", id->lba_capacity);
1334 if (id->capability&1)
1336 if (id->dma_1word | id->dma_mword)
1338 if_strcat((id->dma_1word & 0x100), dmodes, "*");
1339 if_strcat((id->dma_1word & 1), dmodes, "sdma0 ");
1340 if_strcat((id->dma_1word & 0x200), dmodes, "*");
1341 if_strcat((id->dma_1word & 2), dmodes, "sdma1 ");
1342 if_strcat((id->dma_1word & 0x400), dmodes, "*");
1343 if_strcat((id->dma_1word & 4), dmodes, "sdma2 ");
1344 if_strcat((id->dma_1word & 0xf800), dmodes, "*");
1345 if_strcat((id->dma_1word & 0xf8), dmodes, "sdma? ");
1346 if_strcat((id->dma_mword & 0x100), dmodes, "*");
1347 if_strcat((id->dma_mword & 1), dmodes, "mdma0 ");
1348 if_strcat((id->dma_mword & 0x200), dmodes, "*");
1349 if_strcat((id->dma_mword & 2), dmodes, "mdma1 ");
1350 if_strcat((id->dma_mword & 0x400), dmodes, "*");
1351 if_strcat((id->dma_mword & 4), dmodes, "mdma2 ");
1352 if_strcat((id->dma_mword & 0xf800), dmodes, "*");
1353 if_strcat((id->dma_mword & 0xf8), dmodes, "mdma? ");
1356 printf("\n IORDY=");
1357 if (id->capability&8)
1358 printf((id->capability&4) ? "on/off" : "yes");
1362 if ((id->capability&8) || (id->field_valid&2))
1364 if (id->field_valid&2)
1366 printf(", tPIO={min:%u,w/IORDY:%u}", id->eide_pio, id->eide_pio_iordy);
1367 if_strcat((id->eide_pio_modes & 1), pmodes, "pio3 ");
1368 if_strcat((id->eide_pio_modes & 2), pmodes, "pio4 ");
1369 if_strcat((id->eide_pio_modes &~3), pmodes, "pio? ");
1371 if (id->field_valid&4)
1373 if_strcat((id->dma_ultra & 0x100),umodes,"*");
1374 if_strcat((id->dma_ultra & 0x001),umodes,"udma0 ");
1375 if_strcat((id->dma_ultra & 0x200),umodes,"*");
1376 if_strcat((id->dma_ultra & 0x002),umodes,"udma1 ");
1377 if_strcat((id->dma_ultra & 0x400),umodes,"*");
1378 if_strcat((id->dma_ultra & 0x004),umodes,"udma2 ");
1379 #ifdef __NEW_HD_DRIVE_ID
1380 if (id->hw_config & 0x2000)
1382 #else /* !__NEW_HD_DRIVE_ID */
1383 if (id->word93 & 0x2000)
1385 #endif /* __NEW_HD_DRIVE_ID */
1386 if_strcat((id->dma_ultra & 0x0800),umodes,"*");
1387 if_strcat((id->dma_ultra & 0x0008),umodes,"udma3 ");
1388 if_strcat((id->dma_ultra & 0x1000),umodes,"*");
1389 if_strcat((id->dma_ultra & 0x0010),umodes,"udma4 ");
1390 if_strcat((id->dma_ultra & 0x2000),umodes,"*");
1391 if_strcat((id->dma_ultra & 0x0020),umodes,"udma5 ");
1392 if_strcat((id->dma_ultra & 0x4000),umodes,"*");
1393 if_strcat((id->dma_ultra & 0x0040),umodes,"udma6 ");
1394 if_strcat((id->dma_ultra & 0x8000),umodes,"*");
1395 if_strcat((id->dma_ultra & 0x0080),umodes,"udma7 ");
1399 if_printf(((id->capability&1) && (id->field_valid&2)),
1400 ", tDMA={min:%u,rec:%u}", id->eide_dma_min, id->eide_dma_time);
1401 printf("\n PIO modes: %s", pmodes);
1402 if_printf((*dmodes),"\n DMA modes: %s", dmodes);
1403 if_printf((*umodes),"\n UDMA modes: %s", umodes);
1405 printf("\n AdvancedPM=%s",((id_regs[83]&8)==0)?"no":"yes");
1406 if (id_regs[83] & 8)
1408 if (!(id_regs[86]&8))
1409 printf(": disabled (255)");
1410 else if ((id_regs[91]&0xFF00)!=0x4000)
1411 printf(": unknown setting");
1413 printf(": mode=0x%02X (%u)",id_regs[91]&0xFF,id_regs[91]&0xFF);
1415 if_printf( (id_regs[82]&0x20)," WriteCache=%s",(id_regs[85]&0x20) ? "enabled" : "disabled");
1416 #ifdef __NEW_HD_DRIVE_ID
1417 if ((id->minor_rev_num && id->minor_rev_num <= 31) || (id->major_rev_num && id->minor_rev_num <= 31))
1419 printf("\n Drive conforms to: ");
1420 if_else_printf((id->minor_rev_num <= 31),"%s: ","unknown: ", minor_str[id->minor_rev_num]);
1421 if (id->major_rev_num != 0x0000 && /* NOVAL_0 */
1422 id->major_rev_num != 0xFFFF) { /* NOVAL_1 */
1423 for (i=0; i <= 15; i++)
1424 if_printf((id->major_rev_num & (1<<i))," ATA/ATAPI-%u", i);
1427 #endif /* __NEW_HD_DRIVE_ID */
1428 printf("\n\n * signifies the current active mode\n\n");
1432 static void flush_buffer_cache(int fd)
1434 fsync(fd); /* flush buffers */
1435 bb_ioctl(fd, BLKFLSBUF, NULL,"BLKFLSBUF" ) ;/* do it again, big time */
1436 #ifdef HDIO_DRIVE_CMD
1438 if (ioctl(fd, HDIO_DRIVE_CMD, NULL) && errno != EINVAL) /* await completion */
1439 bb_perror_msg("HDIO_DRIVE_CMD");
1443 static int seek_to_zero(int fd)
1445 if (lseek(fd, (off_t) 0, SEEK_SET))
1450 static int read_big_block(int fd, char *buf)
1454 if ((rc = read(fd, buf, TIMING_BUF_BYTES)) != TIMING_BUF_BYTES)
1462 string = "read() hit EOF - device too small";
1465 string = "read(%u) returned %u bytes";
1467 bb_error_msg(string, TIMING_BUF_BYTES, rc);
1471 /* access all sectors of buf to ensure the read fully completed */
1472 for (i = 0; i < TIMING_BUF_BYTES; i += 512)
1477 static double correction;
1479 static void do_time(int flag, int fd)
1482 flag = 1 time_device
1488 struct itimerval e1, e2;
1490 int timing_MB = TIMING_MB;
1492 if ((shmid = shmget(IPC_PRIVATE, TIMING_BUF_BYTES, 0600)) == -1)
1494 bb_error_msg(bb_msg_shared_mem,"allocate"); /*"could not allocate sharedmem buf"*/
1497 if (shmctl(shmid, SHM_LOCK, NULL) == -1)
1499 bb_error_msg(bb_msg_shared_mem,"lock"); /*"could not lock sharedmem buf"*/
1500 (void) shmctl(shmid, IPC_RMID, NULL);
1503 if ((buf = shmat(shmid, (char *) 0, 0)) == (char *) -1)
1505 bb_error_msg(bb_msg_shared_mem,"attach"); /*"could not attach sharedmem buf"*/
1506 (void) shmctl(shmid, IPC_RMID, NULL);
1509 if (shmctl(shmid, IPC_RMID, NULL) == -1)
1510 bb_error_msg("shmctl(,IPC_RMID,)");
1512 /* Clear out the device request queues & give them time to complete */
1515 if (flag == 0) /* Time cache */
1517 /* Calculate a correction factor for the basic
1518 * overhead of doing a read() from the buffer cache.
1519 * To do this, we read the data once to "cache it" and
1520 * to force full preallocation of our timing buffer,
1521 * and then we re-read it 10 times while timing it.
1523 * getitimer() is used rather than gettimeofday() because
1524 * it is much more consistent (on my machine, at least).
1526 setitimer(ITIMER_REAL, &(struct itimerval){{1000,0},{1000,0}}, NULL);
1527 if (seek_to_zero(fd))
1529 if (read_big_block(fd, buf))
1531 printf(" Timing buffer-cache reads: ");
1534 /* Clear out the device request queues & give them time to complete */
1537 /* Time re-reading from the buffer-cache */
1538 getitimer(ITIMER_REAL, &e1);
1539 for (i = (BUFCACHE_FACTOR * TIMING_BUF_COUNT) ; i > 0; --i)
1541 if (seek_to_zero(fd))
1543 if (read_big_block(fd, buf))
1546 getitimer(ITIMER_REAL, &e2);
1547 correction = (e1.it_value.tv_sec - e2.it_value.tv_sec) + ((e1.it_value.tv_usec - e2.it_value.tv_usec) / 1000000.0);
1549 /* Now remove the lseek() from the correction factor */
1550 getitimer(ITIMER_REAL, &e1);
1551 for (i = (BUFCACHE_FACTOR * TIMING_BUF_COUNT) ; i > 0; --i)
1553 if (seek_to_zero(fd))
1556 getitimer(ITIMER_REAL, &e2);
1557 correction -= (e1.it_value.tv_sec - e2.it_value.tv_sec)
1558 + ((e1.it_value.tv_usec - e2.it_value.tv_usec) / 1000000.0);
1560 if ((BUFCACHE_FACTOR * timing_MB) >= correction) /* more than 1MB/s */
1561 printf("%2d MB in %5.2f seconds =%6.2f MB/sec\n",
1562 (BUFCACHE_FACTOR * timing_MB), correction,
1563 (BUFCACHE_FACTOR * timing_MB) / correction);
1565 printf("%2d MB in %5.2f seconds =%6.2f kB/sec\n",
1566 (BUFCACHE_FACTOR * timing_MB), correction,
1567 (BUFCACHE_FACTOR * timing_MB) / correction * 1024);
1568 correction /= BUFCACHE_FACTOR;
1570 flush_buffer_cache(fd);
1573 else /* Time device */
1575 printf(" Timing buffered disk reads: ");
1579 * getitimer() is used rather than gettimeofday() because
1580 * it is much more consistent (on my machine, at least).
1582 setitimer(ITIMER_REAL, &(struct itimerval){{1000,0},{1000,0}}, NULL);
1584 /* Now do the timings for real */
1585 getitimer(ITIMER_REAL, &e1);
1586 for (i = TIMING_BUF_COUNT; i > 0; --i)
1588 if (read_big_block(fd, buf))
1591 getitimer(ITIMER_REAL, &e2);
1593 elapsed = (e1.it_value.tv_sec - e2.it_value.tv_sec) + ((e1.it_value.tv_usec - e2.it_value.tv_usec) / 1000000.0);
1595 if (timing_MB >= elapsed) /* more than 1MB/s */
1596 printf("%2d MB in %5.2f seconds =%6.2f MB/sec\n",timing_MB, elapsed, timing_MB / elapsed);
1598 printf("%2d MB in %5.2f seconds =%6.2f kB/sec\n",timing_MB, elapsed, timing_MB / elapsed * 1024);
1600 /*"Hmm.. suspicious results: probably not enough free memory for a proper test.");*/
1601 if (elapsed <= (correction * 2))
1602 bb_error_msg(bb_msg_memory_exhausted);
1604 #if 0 /* the "estimate" is just plain wrong for many systems.. */
1605 else if (correction != 0.0) {
1606 printf(" Estimating raw driver speed: ");
1607 elapsed -= correction;
1608 if (timing_MB >= elapsed) /* more than 1MB/s */
1609 printf("%2d MB in %5.2f seconds =%6.2f MB/sec\n",
1610 timing_MB, elapsed, timing_MB / elapsed);
1612 printf("%2d MB in %5.2f seconds =%6.2f kB/sec\n",
1613 timing_MB, elapsed, timing_MB / elapsed * 1024);
1618 if (-1 == shmdt(buf))
1619 bb_error_msg(bb_msg_shared_mem,"detach"); /*"could not detach sharedmem buf"*/
1622 static void on_off (unsigned int value)
1624 printf(value ? " (on)\n" : " (off)\n");
1627 #ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
1628 static void bus_state_value(unsigned int value)
1638 string = " (off)\n";
1640 case BUSSTATE_TRISTATE:
1641 string = " (tristate)\n";
1644 string = " (unknown: %d)\n";
1647 printf(string, value);
1651 #ifdef HDIO_DRIVE_CMD
1652 static void interpret_standby(unsigned int standby)
1661 printf("21 minutes");
1664 printf("vendor-specific");
1667 printf("?reserved");
1670 printf("21 minutes + 15 seconds");
1675 unsigned int secs = standby * 5;
1676 unsigned int mins = secs / 60;
1678 if_printf(mins,"%u minutes", mins);
1679 if_printf((mins && secs)," + ");
1680 if_printf(secs,"%u seconds", secs);
1682 else if (standby <= 251)
1684 unsigned int mins = (standby - 240) * 30;
1685 unsigned int hrs = mins / 60;
1687 if_printf(hrs,"%u hours", hrs);
1688 if_printf((hrs && mins)," + ");
1689 if_printf(mins,"%u minutes", mins);
1692 printf("illegal value");
1698 struct xfermode_entry {
1703 static const struct xfermode_entry xfermode_table[] = {
1739 static int translate_xfermode(char * name)
1741 const struct xfermode_entry *tmp;
1746 for (tmp = xfermode_table; tmp->name != NULL; ++tmp)
1748 if (!strcmp(name, tmp->name))
1753 val = strtol(name, &endptr, 10);
1754 if (*endptr == '\0')
1760 static void interpret_xfermode(unsigned int xfermode)
1765 printf("default PIO mode");
1768 printf("default PIO mode, disable IORDY");
1778 printf("PIO flow control mode%u", xfermode-8);
1788 printf("singleword DMA mode%u", xfermode-16);
1798 printf("multiword DMA mode%u", xfermode-32);
1808 printf("UltraDMA mode%u", xfermode-64);
1811 printf("unknown, probably not valid");
1816 #endif /* HDIO_DRIVE_CMD */
1818 static void process_dev(char *devname)
1821 static long parm, multcount;
1822 #ifndef HDIO_DRIVE_CMD
1823 int force_operation = 0;
1825 unsigned char args[4] = {WIN_SETFEATURES,0,0,0};
1827 fd = bb_xopen(devname, O_RDONLY|O_NONBLOCK);
1828 if_printf(!quiet, "\n%s:\n", devname);
1832 if_printf(get_readahead," setting fs readahead to %ld\n", Xreadahead);
1833 bb_ioctl(fd, BLKRASET,(int *)Xreadahead,"BLKRASET");
1835 #ifdef CONFIG_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF
1836 if (unregister_hwif)
1838 printf(" attempting to unregister hwif#%u\n", hwif);
1839 bb_ioctl(fd, HDIO_UNREGISTER_HWIF,(int *)(unsigned long)hwif,"HDIO_UNREGISTER_HWIF");
1842 #ifdef CONFIG_FEATURE_HDPARM_HDIO_SCAN_HWIF
1845 printf(" attempting to scan hwif (0x%x, 0x%x, %u)\n", hwif_data, hwif_ctrl, hwif_irq);
1846 args[0] = hwif_data;
1847 args[1] = hwif_ctrl;
1849 bb_ioctl(fd, HDIO_SCAN_HWIF, args, "HDIO_SCAN_HWIF");
1856 printf(" attempting to ");
1858 printf("auto-tune PIO mode\n");
1859 else if (piomode < 100)
1860 printf("set PIO mode to %d\n", piomode);
1861 else if (piomode < 200)
1862 printf("set MDMA mode to %d\n", (piomode-100));
1864 printf("set UDMA mode to %d\n", (piomode-200));
1866 bb_ioctl(fd, HDIO_SET_PIO_MODE, (int *)(unsigned long)piomode, "HDIO_SET_PIO_MODE");
1870 if_printf(get_io32bit," setting 32-bit IO_support flag to %ld\n", io32bit);
1871 bb_ioctl(fd, HDIO_SET_32BIT, (int *)io32bit, "HDIO_SET_32BIT");
1875 if_printf(get_mult, " setting multcount to %ld\n", mult);
1876 if (ioctl(fd, HDIO_SET_MULTCOUNT, mult))
1877 bb_perror_msg("HDIO_SET_MULTCOUNT");
1878 #ifndef HDIO_DRIVE_CMD
1880 force_operation = 1;
1885 if_printf_on_off(get_readonly," setting readonly to %ld", readonly);
1886 bb_ioctl(fd, BLKROSET, &readonly, "BLKROSET");
1890 if_printf_on_off(get_unmask," setting unmaskirq to %ld", unmask);
1891 bb_ioctl(fd, HDIO_SET_UNMASKINTR, (int *)unmask, "HDIO_SET_UNMASKINTR");
1893 #ifdef CONFIG_FEATURE_HDPARM_HDIO_GETSET_DMA
1896 if_printf_on_off(get_dma," setting using_dma to %ld", dma);
1897 bb_ioctl(fd, HDIO_SET_DMA, (int *)dma, "HDIO_SET_DMA");
1899 #endif /* CONFIG_FEATURE_HDPARM_HDIO_GETSET_DMA */
1902 if_printf_on_off(get_dma_q," setting DMA queue_depth to %ld", dma_q);
1903 bb_ioctl(fd, HDIO_SET_QDMA, (int *)dma_q, "HDIO_SET_QDMA");
1907 if_printf_on_off(get_nowerr," setting nowerr to %ld", nowerr);
1908 bb_ioctl(fd, HDIO_SET_NOWERR, (int *)nowerr,"HDIO_SET_NOWERR");
1912 if_printf_on_off(get_keep," setting keep_settings to %ld", keep);
1913 bb_ioctl(fd, HDIO_SET_KEEPSETTINGS, (int *)keep,"HDIO_SET_KEEPSETTINGS");
1915 #ifdef HDIO_DRIVE_CMD
1918 args[0] = doorlock ? WIN_DOORLOCK : WIN_DOORUNLOCK;
1919 if_printf_on_off(get_doorlock," setting drive doorlock to %ld", doorlock);
1920 bb_ioctl(fd, HDIO_DRIVE_CMD, &args,"HDIO_DRIVE_CMD(doorlock)");
1924 /* lock/unlock the drive's "feature" settings */
1925 if_printf_on_off(get_dkeep," setting drive keep features to %ld", dkeep);
1926 args[2] = dkeep ? 0x66 : 0xcc;
1927 bb_ioctl(fd, HDIO_DRIVE_CMD, &args,"HDIO_DRIVE_CMD(keepsettings)");
1931 args[2] = defects ? 0x04 : 0x84;
1932 if_printf(get_defects," setting drive defect-mgmt to %ld\n", defects);
1933 bb_ioctl(fd, HDIO_DRIVE_CMD, &args,"HDIO_DRIVE_CMD(defectmgmt)");
1939 if_printf(get_prefetch," setting drive prefetch to %ld\n", prefetch);
1940 bb_ioctl(fd, HDIO_DRIVE_CMD, &args, "HDIO_DRIVE_CMD(setprefetch)");
1944 args[1] = xfermode_requested;
1948 printf(" setting xfermode to %d", xfermode_requested);
1949 interpret_xfermode(xfermode_requested);
1951 bb_ioctl(fd, HDIO_DRIVE_CMD, &args,"HDIO_DRIVE_CMD(setxfermode)");
1955 args[2] = lookahead ? 0xaa : 0x55;
1956 if_printf_on_off(get_lookahead," setting drive read-lookahead to %ld", lookahead);
1957 bb_ioctl(fd, HDIO_DRIVE_CMD, &args, "HDIO_DRIVE_CMD(setreadahead)");
1961 apmmode=check_if_min_and_set_val(apmmode,1);
1962 apmmode=check_if_maj_and_set_val(apmmode,255);
1963 if_printf(get_apmmode," setting APM level to");
1966 /* disable Advanced Power Management */
1967 args[2] = 0x85; /* feature register */
1968 if_printf(get_apmmode," disabled\n");
1972 /* set Advanced Power Management mode */
1973 args[2] = 0x05; /* feature register */
1974 args[1] = apmmode; /* sector count register */
1975 if_printf(get_apmmode," 0x%02lX (%ld)\n",apmmode,apmmode);
1977 bb_ioctl(fd, HDIO_DRIVE_CMD, &args,"HDIO_DRIVE_CMD");
1981 #ifdef DO_FLUSHCACHE
1982 #ifndef WIN_FLUSHCACHE
1983 #define WIN_FLUSHCACHE 0xe7
1985 static unsigned char flushcache[4] = {WIN_FLUSHCACHE,0,0,0};
1986 #endif /* DO_FLUSHCACHE */
1987 args[2] = wcache ? 0x02 : 0x82;
1988 if_printf_on_off(get_wcache," setting drive write-caching to %ld", wcache);
1989 #ifdef DO_FLUSHCACHE
1991 bb_ioctl(fd, HDIO_DRIVE_CMD, &flushcache, "HDIO_DRIVE_CMD(flushcache)");
1992 #endif /* DO_FLUSHCACHE */
1993 bb_ioctl(fd, HDIO_DRIVE_CMD, &args, "HDIO_DRIVE_CMD(setcache)");
1994 #ifdef DO_FLUSHCACHE
1996 bb_ioctl(fd, HDIO_DRIVE_CMD, &flushcache, "HDIO_DRIVE_CMD(flushcache)");
1997 #endif /* DO_FLUSHCACHE */
2001 #ifndef WIN_STANDBYNOW1
2002 #define WIN_STANDBYNOW1 0xE0
2004 #ifndef WIN_STANDBYNOW2
2005 #define WIN_STANDBYNOW2 0x94
2007 if_printf(get_standbynow," issuing standby command\n");
2008 args[0] = WIN_STANDBYNOW1;
2009 bb_ioctl_alt(fd, HDIO_DRIVE_CMD, args, WIN_STANDBYNOW2, "HDIO_DRIVE_CMD(standby)");
2013 #ifndef WIN_SLEEPNOW1
2014 #define WIN_SLEEPNOW1 0xE6
2016 #ifndef WIN_SLEEPNOW2
2017 #define WIN_SLEEPNOW2 0x99
2019 if_printf(get_sleepnow," issuing sleep command\n");
2020 args[0] = WIN_SLEEPNOW1;
2021 bb_ioctl_alt(fd, HDIO_DRIVE_CMD, args, WIN_SLEEPNOW2, "HDIO_DRIVE_CMD(sleep)");
2026 if_printf(get_seagate," disabling Seagate auto powersaving mode\n");
2027 bb_ioctl(fd, HDIO_DRIVE_CMD, &args, "HDIO_DRIVE_CMD(seagatepwrsave)");
2031 args[0] = WIN_SETIDLE1;
2032 args[1] = standby_requested;
2035 printf(" setting standby to %lu", standby_requested);
2036 interpret_standby(standby_requested);
2038 bb_ioctl(fd, HDIO_DRIVE_CMD, &args, "HDIO_DRIVE_CMD(setidle1)");
2040 #else /* HDIO_DRIVE_CMD */
2041 if (force_operation)
2044 flush_buffer_cache(fd);
2045 if (-1 == read(fd, buf, sizeof(buf)))
2046 bb_error_msg("access failed");
2048 #endif /* HDIO_DRIVE_CMD */
2053 if (verbose || get_mult || get_identity)
2056 if (ioctl(fd, HDIO_GET_MULTCOUNT, &multcount))
2058 if (verbose || get_mult)
2059 bb_perror_msg("HDIO_GET_MULTCOUNT");
2061 else if (verbose | get_mult)
2063 printf(" multcount = %2ld", multcount);
2067 if (verbose || get_io32bit)
2069 if (!bb_ioctl(fd, HDIO_GET_32BIT, &parm, "HDIO_GET_32BIT"))
2071 printf(" IO_support =%3ld (", parm);
2077 printf("16-bit)\n");
2080 printf("32-bit)\n");
2083 printf("32-bit w/sync)\n");
2086 printf("Request-Queue-Bypass)\n");
2089 printf("\?\?\?)\n");
2094 if (verbose || get_unmask)
2096 bb_ioctl_on_off(fd, HDIO_GET_UNMASKINTR,(unsigned long *)parm,
2097 "HDIO_GET_UNMASKINTR"," unmaskirq = %2ld");
2101 #ifdef CONFIG_FEATURE_HDPARM_HDIO_GETSET_DMA
2102 if (verbose || get_dma) {
2103 if (!bb_ioctl(fd, HDIO_GET_DMA, &parm, "HDIO_GET_DMA"))
2105 printf(" using_dma = %2ld", parm);
2107 printf(" (DMA-Assisted-PIO)\n");
2115 bb_ioctl_on_off (fd, HDIO_GET_QDMA,(unsigned long *)parm,
2116 "HDIO_GET_QDMA"," queue_depth = %2ld");
2118 if (verbose || get_keep)
2120 bb_ioctl_on_off (fd, HDIO_GET_KEEPSETTINGS,(unsigned long *)parm,
2121 "HDIO_GET_KEEPSETTINGS"," keepsettings = %2ld");
2126 bb_ioctl_on_off (fd, HDIO_GET_NOWERR,(unsigned long *)&parm,
2127 " HDIO_GET_NOWERR"," nowerr = %2ld");
2129 if (verbose || get_readonly)
2131 bb_ioctl_on_off(fd, BLKROGET,(unsigned long *)parm,
2132 " BLKROGET"," readonly = %2ld");
2134 if (verbose || get_readahead)
2136 bb_ioctl_on_off (fd, BLKRAGET, (unsigned long *) parm,
2137 " BLKRAGET"," readahead = %2ld");
2139 if (verbose || get_geom)
2141 static const char msg[] = " geometry = %u/%u/%u, sectors = %ld, start = %ld\n";
2142 static struct hd_geometry g;
2143 #ifdef HDIO_GETGEO_BIG
2144 static struct hd_big_geometry bg;
2147 if (!bb_ioctl(fd, BLKGETSIZE, &parm, "BLKGETSIZE"))
2149 #ifdef HDIO_GETGEO_BIG
2150 if (!bb_ioctl(fd, HDIO_GETGEO_BIG, &bg, "HDIO_GETGEO_BIG"))
2151 printf(msg, bg.cylinders, bg.heads, bg.sectors, parm, bg.start);
2154 if (!bb_ioctl(fd, HDIO_GETGEO, &g, "HDIO_GETGEO"))
2155 printf(msg, g.cylinders, g.heads, g.sectors, parm, g.start);
2158 #ifdef HDIO_DRIVE_CMD
2161 #ifndef WIN_CHECKPOWERMODE1
2162 #define WIN_CHECKPOWERMODE1 0xE5
2164 #ifndef WIN_CHECKPOWERMODE2
2165 #define WIN_CHECKPOWERMODE2 0x98
2169 args[0] = WIN_CHECKPOWERMODE1;
2170 if (bb_ioctl_alt(fd, HDIO_DRIVE_CMD, args, WIN_CHECKPOWERMODE2, 0))
2172 if (errno != EIO || args[0] != 0 || args[1] != 0)
2178 state = (args[2] == 255) ? "active/idle" : "standby";
2180 printf(" drive state is: %s\n", state);
2183 #ifdef CONFIG_FEATURE_HDPARM_HDIO_DRIVE_RESET
2186 bb_ioctl(fd, HDIO_DRIVE_RESET, NULL, "HDIO_DRIVE_RESET");
2188 #endif /* CONFIG_FEATURE_HDPARM_HDIO_DRIVE_RESET */
2189 #ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
2190 if (perform_tristate)
2194 bb_ioctl(fd, HDIO_TRISTATE_HWIF, &args, "HDIO_TRISTATE_HWIF");
2196 #endif /* CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF */
2197 #ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
2200 static struct hd_driveid id;
2202 if (!ioctl(fd, HDIO_GET_IDENTITY, &id))
2204 if (multcount != -1)
2206 id.multsect = multcount;
2207 id.multsect_valid |= 1;
2210 id.multsect_valid &= ~1;
2213 else if (errno == -ENOMSG)
2214 printf(" no identification info available\n");
2216 bb_perror_msg("HDIO_GET_IDENTITY");
2221 unsigned char args1[4+512]; /* = { ... } will eat 0.5k of rodata! */
2224 memset(args1, 0, sizeof(args1));
2225 args1[0] = WIN_IDENTIFY;
2227 if (bb_ioctl_alt(fd, HDIO_DRIVE_CMD, args1, WIN_PIDENTIFY, "HDIO_DRIVE_CMD(identify)"))
2228 goto identify_abort;
2230 for (i=0; i<(sizeof args1)/2; i+=2)
2231 __le16_to_cpus((uint16_t *)(&args1[i]));
2232 identify((void *)&args1[4]);
2237 #ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
2242 printf(" setting bus state to %d", busstate);
2243 bus_state_value(busstate);
2245 bb_ioctl(fd, HDIO_SET_BUSSTATE, (int *)(unsigned long)busstate, "HDIO_SET_BUSSTATE");
2248 #ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
2251 if (!bb_ioctl(fd, HDIO_GET_BUSSTATE, &parm, "HDIO_GET_BUSSTATE"))
2253 printf(" busstate = %2ld", parm);
2254 bus_state_value(parm);
2259 bb_ioctl(fd, BLKRRPART, NULL, "BLKRRPART");
2263 do_time(0,fd); /*time cache */
2265 do_time(1,fd); /*time device */
2267 flush_buffer_cache(fd);
2271 static char * GET_NUMBER(char *p, unsigned long *flag, unsigned long *num)
2274 while (isdigit(*p)) {
2276 *num = (*num * 10) + (*p++ - '0');
2281 static char * GET_STRING(char *p, unsigned long *flag, int *num)
2287 while (isalnum(*p) && (tmpstr - name) < 31) {
2292 *num = translate_xfermode(name);
2300 #ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
2301 static int fromhex(unsigned char c)
2303 if (c >= 'a' && c <= 'f')
2304 return 10 + (c - 'a');
2305 if (c >= '0' && c <= '9')
2307 bb_error_msg_and_die("bad char: '%c' 0x%02x", c, c);
2310 static int identify_from_stdin(void)
2312 unsigned short sbuf[800];
2313 unsigned char buf[1600], *b = (unsigned char *)buf;
2314 int i, count = read(0, buf, 1280);
2317 bb_error_msg_and_die("read(1280 bytes) failed (rc=%d)", count);
2318 for (i = 0; count >= 4; ++i)
2320 sbuf[i] = (fromhex(b[0]) << 12) | (fromhex(b[1]) << 8) | (fromhex(b[2]) << 4) | fromhex(b[3]);
2321 __le16_to_cpus((uint16_t *)(&sbuf[i]));
2330 static void missing_arg(int arg, char c, char* add)
2333 bb_error_msg("-%c: missing value %s", c, (add!=NULL)? add :"");
2336 /* our main() routine: */
2337 int hdparm_main(int argc, char **argv)
2347 #ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
2348 if (!strcmp("-Istdin", *argv))
2350 return identify_from_stdin();
2364 /*bb_error_msg_and_die("%s", VERSION);*/
2365 /* We have to return 0 here and not 1 */
2366 printf("%s %s\n",bb_applet_name, VERSION);
2367 return EXIT_SUCCESS;
2371 #ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
2392 if (!*p && argc && isdigit(**argv))
2393 p = *argv++, --argc;
2394 if ((set_unmask = set_flag(p,'1'))==1)
2395 unmask = *p++ - '0';
2397 #ifdef CONFIG_FEATURE_HDPARM_HDIO_GETSET_DMA
2401 if (!*p && argc && isdigit(**argv))
2402 p = *argv++, --argc;
2403 if ((set_dma = set_flag(p,'9'))==1)
2406 #endif /* CONFIG_FEATURE_HDPARM_HDIO_GETSET_DMA */
2410 if (!*p && argc && isdigit(**argv))
2411 p = *argv++, --argc;
2412 if ((set_nowerr = set_flag(p,'1'))==1)
2413 nowerr = *p++ - '0';
2416 noisy_piomode = noisy;
2418 if (!*p && argc && isalnum(**argv))
2419 p = *argv++, --argc;
2420 p=GET_STRING(p,&set_piomode,&piomode);
2423 get_readonly = noisy;
2425 if (!*p && argc && isdigit(**argv))
2426 p = *argv++, --argc;
2427 if ((set_readonly = set_flag(p,'1'))==1)
2428 readonly = *p++ - '0';
2433 if (!*p && argc && isalnum(**argv))
2434 p = *argv++, --argc;
2435 p=GET_NUMBER(p,&set_mult,&mult);
2438 get_io32bit = noisy;
2440 if (!*p && argc && isalnum(**argv))
2441 p = *argv++, --argc;
2442 p=GET_NUMBER(p,&set_io32bit,&io32bit);
2444 #ifdef HDIO_DRIVE_CMD
2446 get_standby = noisy;
2448 if (!*p && argc && isalnum(**argv))
2449 p = *argv++, --argc;
2450 p=GET_NUMBER(p,&set_standby,&standby_requested);
2451 missing_arg(set_standby, c, NULL);
2455 get_defects = noisy;
2457 if (!*p && argc && isalnum(**argv))
2458 p = *argv++, --argc;
2459 p=GET_NUMBER(p,&set_defects,&defects);
2460 missing_arg(set_defects, c, NULL);
2463 get_prefetch = noisy;
2465 if (!*p && argc && isalnum(**argv))
2466 p = *argv++, --argc;
2467 p=GET_NUMBER(p,&set_prefetch,&prefetch);
2468 missing_arg(set_prefetch, c, NULL);
2472 get_xfermode = noisy;
2474 if (!*p && argc && isalnum(**argv))
2475 p = *argv++, --argc;
2476 p=GET_STRING(p,&set_xfermode,&xfermode_requested);
2477 missing_arg(set_xfermode, c, NULL);
2483 if (!*p && argc && isdigit(**argv))
2484 p = *argv++, --argc;
2485 if ((set_dkeep = set_flag(p,'1'))==1)
2488 goto missing_arg_error;
2492 get_lookahead = noisy;
2494 if (!*p && argc && isdigit(**argv))
2495 p = *argv++, --argc;
2496 if ((set_lookahead = set_flag(p,'1'))==1)
2497 lookahead = *p++ - '0';
2499 goto missing_arg_error;
2503 get_doorlock = noisy;
2505 if (!*p && argc && isdigit(**argv))
2506 p = *argv++, --argc;
2507 if ((set_doorlock = set_flag(p,'1'))==1)
2508 doorlock = *p++ - '0';
2510 goto missing_arg_error;
2516 if (!*p && argc && isdigit(**argv))
2517 p = *argv++, --argc;
2518 if ((set_wcache = set_flag(p,'1'))==1)
2519 wcache = *p++ - '0';
2522 missing_arg(1, c, "(0/1)");
2526 get_powermode = noisy;
2531 get_standbynow = noisy;
2537 get_sleepnow = noisy;
2547 get_seagate = noisy;
2551 #endif /* HDIO_DRIVE_CMD */
2555 if (!*p && argc && isdigit(**argv))
2556 p = *argv++, --argc;
2557 if ((set_keep = set_flag(p,'1'))==1)
2560 #ifdef CONFIG_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF
2562 if (!*p && argc && isdigit(**argv))
2563 p = *argv++, --argc;
2565 goto expected_hwif_error; /* "expected hwif_nr" */
2567 sscanf(p++, "%i", &hwif);
2569 unregister_hwif = 1;
2571 #endif /* CONFIG_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF */
2572 #ifdef CONFIG_FEATURE_HDPARM_HDIO_SCAN_HWIF
2574 if (!*p && argc && isdigit(**argv))
2575 p = *argv++, --argc;
2577 goto expected_hwif_error; /* "expected hwif_data" */
2579 sscanf(p++, "%i", &hwif_data);
2581 if (argc && isdigit(**argv))
2582 p = *argv++, --argc;
2584 goto expected_hwif_error; /* "expected hwif_ctrl" */
2586 sscanf(p, "%i", &hwif_ctrl);
2588 if (argc && isdigit(**argv))
2589 p = *argv++, --argc;
2591 #endif /* CONFIG_FEATURE_HDPARM_HDIO_SCAN_HWIF */
2592 #if defined CONFIG_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF || defined CONFIG_FEATURE_HDPARM_HDIO_SCAN_HWIF
2593 expected_hwif_error:
2594 bb_error_msg_and_die("expected hwif value"); /* "expected hwif_irq" */
2595 #endif /* CONFIG_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF || CONFIG_FEATURE_HDPARM_HDIO_SCAN_HWIF */
2596 #ifdef CONFIG_FEATURE_HDPARM_HDIO_SCAN_HWIF
2598 sscanf(p, "%i", &hwif_irq);
2604 #endif /* CONFIG_FEATURE_HDPARM_HDIO_SCAN_HWIF */
2606 #ifdef HDIO_GET_QDMA
2609 #ifdef HDIO_SET_QDMA
2610 if (!*p && argc && isalnum(**argv))
2611 p = *argv++, --argc;
2612 p=GET_NUMBER(p,&set_dma_q,&dma_q);
2613 #ifdef HDIO_GET_QDMA
2620 #ifdef CONFIG_FEATURE_HDPARM_HDIO_DRIVE_RESET
2624 #endif /* CONFIG_FEATURE_HDPARM_HDIO_DRIVE_RESET */
2625 #ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
2627 if (!*p && argc && isdigit(**argv))
2628 p = *argv++, --argc;
2629 if ((perform_tristate = set_flag(p,'1'))==1)
2630 tristate = *p++ - '0';
2632 missing_arg(1, c, "(0/1)");
2635 #endif /* CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF */
2637 get_readahead = noisy;
2639 if (!*p && argc && isalnum(**argv))
2640 p = *argv++, --argc;
2641 p=GET_NUMBER(p,&set_readahead,&Xreadahead);
2644 get_apmmode = noisy;
2646 if (!*p && argc && isalnum(**argv))
2647 p = *argv++, --argc;
2648 p=GET_NUMBER(p,&set_apmmode,&apmmode);
2649 missing_arg(set_apmmode, c, "(1-255)");
2659 #ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
2661 get_busstate = noisy;
2663 if (!*p && argc && isdigit(**argv))
2664 p = *argv++, --argc;
2665 if ((set_busstate = set_flag(p,'2'))==1)
2666 busstate = *p++ - '0';