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 revision 4", /* 0x0001 */
267 "ATA-1 published, ANSI X3.221-1994", /* 0x0002 */
268 "ATA-1 X3T9.2 781D revision 4", /* 0x0003 */
269 "ATA-2 published, ANSI X3.279-1996", /* 0x0004 */
270 "ATA-2 X3T10 948D prior to revision 2k", /* 0x0005 */
271 "ATA-3 X3T10 2008D revision 1", /* 0x0006 */
272 "ATA-2 X3T10 948D revision 2k", /* 0x0007 */
273 "ATA-3 X3T10 2008D revision 0", /* 0x0008 */
274 "ATA-2 X3T10 948D revision 3", /* 0x0009 */
275 "ATA-3 published, ANSI X3.298-199x", /* 0x000a */
276 "ATA-3 X3T10 2008D revision 6", /* 0x000b */
277 "ATA-3 X3T13 2008D revision 7 and 7a", /* 0x000c */
278 "ATA/ATAPI-4 X3T13 1153D revision 6", /* 0x000d */
279 "ATA/ATAPI-4 T13 1153D revision 13", /* 0x000e */
280 "ATA/ATAPI-4 X3T13 1153D revision 7", /* 0x000f */
281 "ATA/ATAPI-4 T13 1153D revision 18", /* 0x0010 */
282 "ATA/ATAPI-4 T13 1153D revision 15", /* 0x0011 */
283 "ATA/ATAPI-4 published, ANSI INCITS 317-1998", /* 0x0012 */
284 "ATA/ATAPI-5 T13 1321D revision 3",
285 "ATA/ATAPI-4 T13 1153D revision 14", /* 0x0014 */
286 "ATA/ATAPI-5 T13 1321D revision 1", /* 0x0015 */
287 "ATA/ATAPI-5 published, ANSI INCITS 340-2000", /* 0x0016 */
288 "ATA/ATAPI-4 T13 1153D revision 17", /* 0x0017 */
289 "ATA/ATAPI-6 T13 1410D revision 0", /* 0x0018 */
290 "ATA/ATAPI-6 T13 1410D revision 3a", /* 0x0019 */
291 "ATA/ATAPI-7 T13 1532D revision 1", /* 0x001a */
292 "ATA/ATAPI-6 T13 1410D revision 2", /* 0x001b */
293 "ATA/ATAPI-6 T13 1410D revision 1", /* 0x001c */
294 "ATA/ATAPI-7 published, ANSI INCITS 397-2005", /* 0x001d */
295 "ATA/ATAPI-7 T13 1532D revision 0", /* 0x001e */
296 "Reserved" /* 0x001f */
297 "Reserved" /* 0x0020 */
298 "ATA/ATAPI-7 T13 1532D revision 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 command", /* word 83 bit 13 */
372 "Mandatory FLUSH CACHE command ", /* 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 */
469 static const char bb_msg_shared_mem[] = "could not %s sharedmem buf";
470 static const char bb_msg_op_not_supp[] = " operation not supported on %s disks";
472 static int bb_ioctl(int fd, int request, void *argp, const char *string)
474 int e = ioctl(fd, request, argp);
476 bb_perror_msg(" %s", string);
480 static int bb_ioctl_alt(int fd, int cmd, unsigned char *args, int alt, const char *string)
482 if (!ioctl(fd, cmd, args))
485 return bb_ioctl(fd, cmd, args, string);
489 static void if_printf(unsigned long i, char *fmt, ... )
498 static void on_off(unsigned int value);
500 static void if_printf_on_off(unsigned long get_arg,const char *fmt, unsigned long arg)
509 static void bb_ioctl_on_off(int fd, int request, void *argp, const char *string,
512 if (ioctl(fd, request, &argp) != 0)
513 bb_perror_msg(" %s", string);
516 printf(fmt, (unsigned long) argp);
517 on_off((unsigned long) argp);
521 #ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
522 static void if_else_printf(unsigned long i, char *fmt1, char *fmt2, ... )
533 static void print_ascii(uint16_t *p, uint8_t length);
535 static void xprint_ascii(uint16_t *val ,int i, char * string, int n)
539 printf("\t%-20s",string);
540 print_ascii(&val[i], n);
544 static void if_strcat(unsigned long test, char *modes, char *string)
547 strcat(modes,string);
551 static void sync_and_sleep(int i)
557 static uint16_t check_if_min_and_set_val(uint16_t a, uint16_t b)
564 static uint16_t check_if_maj_and_set_val(uint16_t a, uint16_t b)
571 /* end of busybox specific stuff */
573 #ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
574 static uint8_t mode_loop(uint16_t mode_sup, uint16_t mode_sel, int cc, uint8_t *have_mode)
579 for (ii = 0; ii <= MODE_MAX; ii++)
581 if (mode_sel & 0x0001)
583 printf("*%cdma%u ",cc,ii);
588 else if (mode_sup & 0x0001)
589 printf("%cdma%u ",cc,ii);
597 static void print_ascii(uint16_t *p, uint8_t length) {
601 /* find first non-space & print it */
602 for (ii = 0; ii< length; ii++)
604 if (((char) 0x00ff&((*p)>>8)) != ' ')
606 if ((cl = (char) 0x00ff&(*p)) != ' ')
608 if_printf((cl != '\0'),"%c",cl);
616 for (; ii< length; ii++)
619 break; /* some older devices have NULLs */
620 printf("%c%c",(char)0x00ff&((*p)>>8),(char)(*p)&0x00ff);
626 /* identify() is the only extern function used across two source files. The
627 others, though, were declared in hdparm.c with global scope; since other
628 functions in that file have static (file) scope, I assume the difference is
630 static void identify(uint16_t *id_supplied)
633 uint16_t *val, ii, jj, kk;
634 uint16_t like_std = 1, std = 0, min_std = 0xffff;
635 uint16_t dev = NO_DEV, eqpt = NO_DEV;
636 uint8_t have_mode = 0, err_dma = 0;
638 uint32_t ll, mm, nn, oo;
639 uint64_t bbbig; /* (:) */
642 swab(id_supplied, buf, sizeof(buf));
644 } else val = id_supplied;
648 /* check if we recognise the device type */
650 if(!(val[GEN_CONFIG] & NOT_ATA))
653 printf("ATA device, with ");
655 else if(val[GEN_CONFIG]==CFA_SUPPORT_VAL)
659 printf("CompactFlash ATA device, with ");
661 else if(!(val[GEN_CONFIG] & NOT_ATAPI))
664 eqpt = (val[GEN_CONFIG] & EQPT_TYPE) >> SHIFT_EQPT;
665 printf("ATAPI %s, with ", pkt_str[eqpt]);
669 /*"Unknown device type:\n\tbits 15&14 of general configuration word 0 both set to 1.\n"*/
670 bb_error_msg_and_die("Unknown device type");
672 if_printf(!(val[GEN_CONFIG] & MEDIA_REMOVABLE),"non-");
673 printf("removable media\n");
675 /* Info from the specific configuration word says whether or not the
676 * ID command completed correctly. It is only defined, however in
677 * ATA/ATAPI-5 & 6; it is reserved (value theoretically 0) in prior
678 * standards. Since the values allowed for this word are extremely
679 * specific, it should be safe to check it now, even though we don't
680 * know yet what standard this device is using.
682 if ((val[CONFIG]==STBY_NID_VAL) || (val[CONFIG]==STBY_ID_VAL) ||
683 (val[CONFIG]==PWRD_NID_VAL) || (val[CONFIG]==PWRD_ID_VAL) )
686 if_printf(((val[CONFIG]==STBY_NID_VAL) || (val[CONFIG]==STBY_ID_VAL)),
687 "powers-up in standby; SET FEATURES subcmd spins-up.\n");
688 if_printf((((val[CONFIG]==STBY_NID_VAL) || (val[CONFIG]==PWRD_NID_VAL)) && (val[GEN_CONFIG] & INCOMPLETE)),
689 "\n\tWARNING: ID response incomplete.\n\tFollowing data may be incorrect.\n\n");
692 /* output the model and serial numbers and the fw revision */
693 xprint_ascii(val, START_MODEL, "Model Number:", LENGTH_MODEL);
694 xprint_ascii(val, START_SERIAL, "Serial Number:", LENGTH_SERIAL);
695 xprint_ascii(val, START_FW_REV, "Firmware Revision:", LENGTH_FW_REV);
696 xprint_ascii(val, START_MEDIA, "Media Serial Num:", LENGTH_MEDIA);
697 xprint_ascii(val, START_MANUF, "Media Manufacturer:", LENGTH_MANUF);
699 /* major & minor standards version number (Note: these words were not
700 * defined until ATA-3 & the CDROM std uses different words.) */
701 printf("Standards:");
704 if (val[MINOR] && (val[MINOR] <= MINOR_MAX))
706 like_std=check_if_min_and_set_val(like_std, 3);
707 std = actual_ver[val[MINOR]];
708 if_printf(std,"\n\tUsed: %s ",minor_str[val[MINOR]]);
711 /* looks like when they up-issue the std, they obsolete one;
712 * thus, only the newest 4 issues need be supported. (That's
713 * what "kk" and "min_std" are all about.) */
714 if (val[MAJOR] && (val[MAJOR] !=NOVAL_1))
716 printf("\n\tSupported: ");
717 jj = val[MAJOR] << 1;
718 kk = like_std >4 ? like_std-4: 0;
719 for (ii = 14; (ii >0)&&(ii>kk); ii--)
727 kk = like_std >4 ? like_std-4: 0;
729 min_std=check_if_maj_and_set_val(min_std, ii);
733 like_std=check_if_min_and_set_val(like_std, 3);
735 /* Figure out what standard the device is using if it hasn't told
736 * us. If we know the std, check if the device is using any of
737 * the words from the next level up. It happens.
739 like_std=check_if_min_and_set_val(like_std, std);
741 if (((std == 5) || (!std && (like_std < 6))) &&
742 ((((val[CMDS_SUPP_1] & VALID) == VALID_VAL) &&
743 (( val[CMDS_SUPP_1] & CMDS_W83) > 0x00ff)) ||
744 ((( val[CMDS_SUPP_2] & VALID) == VALID_VAL) &&
745 ( val[CMDS_SUPP_2] & CMDS_W84) ) ) )
749 else if (((std == 4) || (!std && (like_std < 5))) &&
750 ((((val[INTEGRITY] & SIG) == SIG_VAL) && !chksum) ||
751 (( val[HWRST_RSLT] & VALID) == VALID_VAL) ||
752 ((( val[CMDS_SUPP_1] & VALID) == VALID_VAL) &&
753 (( val[CMDS_SUPP_1] & CMDS_W83) > 0x001f)) ) )
757 else if (((std == 3) || (!std && (like_std < 4))) &&
758 ((((val[CMDS_SUPP_1] & VALID) == VALID_VAL) &&
759 ((( val[CMDS_SUPP_1] & CMDS_W83) > 0x0000) ||
760 (( val[CMDS_SUPP_0] & CMDS_W82) > 0x000f))) ||
761 (( val[CAPAB_1] & VALID) == VALID_VAL) ||
762 (( val[WHATS_VALID] & OK_W88) && val[ULTRA_DMA]) ||
763 (( val[RM_STAT] & RM_STAT_BITS) == RM_STAT_SUP) ) )
767 else if (((std == 2) || (!std && (like_std < 3))) &&
768 ((val[CMDS_SUPP_1] & VALID) == VALID_VAL) )
772 else if (((std == 1) || (!std && (like_std < 2))) &&
773 ((val[CAPAB_0] & (IORDY_SUP | IORDY_OFF)) ||
774 (val[WHATS_VALID] & OK_W64_70)) )
779 printf("\n\tLikely used: %u\n",like_std);
780 else if (like_std > std)
781 printf("& some of %u\n",like_std);
787 /* TBD: do CDROM stuff more thoroughly. For now... */
789 if (val[CDR_MINOR] == 9)
792 printf("\n\tUsed: ATAPI for CD-ROMs, SFF-8020i, r2.5");
794 if (val[CDR_MAJOR] && (val[CDR_MAJOR] !=NOVAL_1))
797 printf("\n\tSupported: CD-ROM ATAPI");
798 jj = val[CDR_MAJOR] >> 1;
799 for (ii = 1; ii <15; ii++)
801 if_printf((jj & 0x0001),"-%u ", ii);
805 if_else_printf((!kk),"\n\tLikely used CD-ROM ATAPI-1\n","\n");
806 /* the cdrom stuff is more like ATA-2 than anything else, so: */
810 if (min_std == 0xffff)
811 min_std = like_std > 4 ? like_std - 3 : 1;
813 printf("Configuration:\n");
814 /* more info from the general configuration word */
815 if ((eqpt != CDROM) && (like_std == 1))
817 jj = val[GEN_CONFIG] >> 1;
818 for (ii = 1; ii < 15; ii++)
820 if_printf((jj & 0x0001),"\t%s\n",ata1_cfg_str[ii]);
824 if (dev == ATAPI_DEV)
826 printf("\tDRQ response: "); /* Data Request (DRQ) */
827 switch(val[GEN_CONFIG] & DRQ_RESPONSE_TIME)
833 printf("<=10ms with INTRQ\n");
839 printf("unknown.\n");
842 printf("\tPacket size: ");
843 switch(val[GEN_CONFIG] & PKT_SIZE_SUPPORTED)
845 case PKT_SIZE_12_VAL :
846 printf("12 bytes\n");
848 case PKT_SIZE_16_VAL :
849 printf("16 bytes\n");
858 /* addressing...CHS? See section 6.2 of ATA specs 4 or 5 */
859 ll = (uint32_t)val[LBA_SECTS_MSB] << 16 | val[LBA_SECTS_LSB];
861 if ( (ll > 0x00FBFC10) && (!val[LCYLS]))
862 printf("\tCHS addressing not supported\n");
865 jj = val[WHATS_VALID] & OK_W54_58;
866 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",
867 val[LCYLS],jj?val[LCYLS_CUR]:0, val[LHEADS],jj?val[LHEADS_CUR]:0, val[LSECTS],jj?val[LSECTS_CUR]:0);
869 if_printf(((min_std == 1) && (val[TRACK_BYTES] || val[SECT_BYTES])),
870 "\tbytes/track: %u\tbytes/sector: %u\n",val[TRACK_BYTES], val[SECT_BYTES]);
874 mm = (uint32_t)val[CAPACITY_MSB] << 16 | val[CAPACITY_LSB];
877 /* check Endian of capacity bytes */
878 nn = val[LCYLS_CUR] * val[LHEADS_CUR] * val[LSECTS_CUR];
879 oo = (uint32_t)val[CAPACITY_LSB] << 16 | val[CAPACITY_MSB];
880 if (abs(mm - nn) > abs(oo - nn))
883 printf("\tCHS current addressable sectors:%11u\n",mm);
887 printf("\tLBA user addressable sectors:%11u\n",ll);
888 if ( ((val[CMDS_SUPP_1] & VALID) == VALID_VAL) &&
889 (val[CMDS_SUPP_1] & SUPPORT_48_BIT) )
891 bbbig = (uint64_t)val[LBA_64_MSB] << 48 |
892 (uint64_t)val[LBA_48_MSB] << 32 |
893 (uint64_t)val[LBA_MID] << 16 |
895 printf("\tLBA48 user addressable sectors:%11llu\n",(long long unsigned int)bbbig);
899 bbbig = (uint64_t)(ll>mm ? ll : mm); /* # 512 byte blocks */
900 printf("\tdevice size with M = 1024*1024: %11llu MBytes\n",(long long unsigned int)(bbbig>>11));
901 bbbig = (bbbig<<9)/1000000;
902 printf("\tdevice size with M = 1000*1000: %11llu MBytes ",(long long unsigned int)bbbig);
904 if_else_printf((bbbig > 1000),"(%llu GB)\n","\n",bbbig/1000);
908 /* hw support of commands (capabilities) */
909 printf("Capabilities:\n\t");
911 if (dev == ATAPI_DEV)
914 if_printf((val[CAPAB_0] & CMD_Q_SUP),"Cmd queuing, ");
916 if_printf((val[CAPAB_0] & OVLP_SUP),"Cmd overlap, ");
918 if_printf((val[CAPAB_0] & LBA_SUP),"LBA, ");
923 if_printf((!(val[CAPAB_0] & IORDY_SUP)),"(may be)");
924 if_else_printf((val[CAPAB_0] & IORDY_OFF),"(can","(cannot");
925 printf(" be disabled)\n");
928 printf("no IORDY\n");
930 if ((like_std == 1) && val[BUF_TYPE])
933 printf("\tBuffer type: %04x: ",kk);
934 if_else_printf((kk < 2),"single port, single-sector","dual port, multi-sector");
935 if_printf((kk > 2)," with read caching ability");
939 if ((min_std == 1) && (val[BUFFER__SIZE] && (val[BUFFER__SIZE] != NOVAL_1)))
941 printf("\tBuffer size: %.1fkB",(float)val[BUFFER__SIZE]/2);
944 if ((min_std < 4) && (val[RW_LONG]))
946 printf("\tbytes avail on r/w long: %u",val[RW_LONG]);
949 if ((eqpt != CDROM) && (like_std > 3))
951 printf("\tQueue depth: %u",(val[QUEUE_DEPTH] & DEPTH_BITS)+1);
959 printf("\tCan%s perform double-word IO\n",(!val[DWORD_IO]) ?"not":"");
962 printf("\tStandby timer values: spec'd by ");
963 if_else_printf((val[CAPAB_0] & STD_STBY),"Standard","Vendor");
964 if ((like_std > 3) && ((val[CAPAB_1] & VALID) == VALID_VAL))
965 printf(", %s device specific minimum\n",(val[CAPAB_1] & MIN_STANDBY_TIMER)?"with":"no");
969 printf("\tR/W multiple sector transfer: ");
970 if ((like_std < 3) && !(val[SECTOR_XFER_MAX] & SECTOR_XFER))
971 printf("not supported\n");
974 printf("Max = %u\tCurrent = ",val[SECTOR_XFER_MAX] & SECTOR_XFER);
975 if_else_printf((val[SECTOR_XFER_CUR] & MULTIPLE_SETTING_VALID),
976 "%u\n","?\n",val[SECTOR_XFER_CUR] & SECTOR_XFER);
978 if ((like_std > 3) && (val[CMDS_SUPP_1] & 0x0008))
980 /* We print out elsewhere whether the APM feature is enabled or
981 not. If it's not enabled, let's not repeat the info; just print
983 printf("\tAdvancedPM level: ");
984 if ( (val[ADV_PWR] & 0xFF00) == 0x4000 )
986 uint8_t apm_level = val[ADV_PWR] & 0x00FF;
987 printf("%u (0x%x)\n", apm_level, apm_level);
990 printf("unknown setting (0x%04x)\n", val[ADV_PWR]);
994 if_printf(val[ACOUSTIC],"\tRecommended acoustic management value: %u, current value: %u\n",
995 (val[ACOUSTIC] >> 8) & 0x00ff, val[ACOUSTIC] & 0x00ff);
1002 if_printf((val[CAPAB_0] & SWRST_REQ),"\tATA sw reset required\n");
1004 if (val[PKT_REL] || val[SVC_NBSY])
1006 printf("\tOverlap support:");
1007 if_printf(val[PKT_REL]," %uus to release bus.",val[PKT_REL]);
1008 if_printf(val[SVC_NBSY]," %uus to clear BSY after SERVICE cmd.",val[SVC_NBSY]);
1013 /* DMA stuff. Check that only one DMA mode is selected. */
1015 if (!(val[CAPAB_0] & DMA_SUP))
1016 printf("not supported\n");
1019 if_printf((val[DMA_MODE] && !val[SINGLE_DMA] && !val[MULTI_DMA]),
1020 " sdma%u\n",(val[DMA_MODE] & MODE) >> 8);
1021 if (val[SINGLE_DMA])
1023 jj = val[SINGLE_DMA];
1024 kk = val[SINGLE_DMA] >> 8;
1025 err_dma += mode_loop(jj,kk,'s',&have_mode);
1029 jj = val[MULTI_DMA];
1030 kk = val[MULTI_DMA] >> 8;
1031 err_dma += mode_loop(jj,kk,'m',&have_mode);
1033 if ((val[WHATS_VALID] & OK_W88) && val[ULTRA_DMA])
1035 jj = val[ULTRA_DMA];
1036 kk = val[ULTRA_DMA] >> 8;
1037 err_dma += mode_loop(jj,kk,'u',&have_mode);
1039 if_printf((err_dma || !have_mode),"(?)");
1042 if_printf(((dev == ATAPI_DEV) && (eqpt != CDROM) && (val[CAPAB_0] & DMA_IL_SUP)),
1043 "\t Interleaved DMA support\n");
1045 if ((val[WHATS_VALID] & OK_W64_70) &&
1046 (val[DMA_TIME_MIN] || val[DMA_TIME_NORM]))
1048 printf("\t Cycle time:");
1049 if_printf(val[DMA_TIME_MIN]," min=%uns",val[DMA_TIME_MIN]);
1050 if_printf(val[DMA_TIME_NORM]," recommended=%uns",val[DMA_TIME_NORM]);
1055 /* Programmed IO stuff */
1057 /* If a drive supports mode n (e.g. 3), it also supports all modes less
1058 * than n (e.g. 3, 2, 1 and 0). Print all the modes. */
1059 if ((val[WHATS_VALID] & OK_W64_70) && (val[ADV_PIO_MODES] & PIO_SUP))
1061 jj = ((val[ADV_PIO_MODES] & PIO_SUP) << 3) | 0x0007;
1062 for (ii = 0; ii <= PIO_MODE_MAX ; ii++)
1064 if_printf((jj & 0x0001),"pio%d ",ii);
1069 else if (((min_std < 5) || (eqpt == CDROM)) && (val[PIO_MODE] & MODE) )
1071 for (ii = 0; ii <= val[PIO_MODE]>>8; ii++)
1072 printf("pio%d ",ii);
1076 printf("unknown\n");
1078 if (val[WHATS_VALID] & OK_W64_70)
1080 if (val[PIO_NO_FLOW] || val[PIO_FLOW])
1082 printf("\t Cycle time:");
1083 if_printf(val[PIO_NO_FLOW]," no flow control=%uns", val[PIO_NO_FLOW]);
1084 if_printf(val[PIO_FLOW]," IORDY flow control=%uns", val[PIO_FLOW]);
1089 if ((val[CMDS_SUPP_1] & VALID) == VALID_VAL)
1091 printf("Commands/features:\n\tEnabled\tSupported:\n");
1092 jj = val[CMDS_SUPP_0];
1093 kk = val[CMDS_EN_0];
1094 for (ii = 0; ii < NUM_CMD_FEAT_STR; ii++)
1096 if ((jj & 0x8000) && (*cmd_feat_str[ii] != '\0'))
1098 if_else_printf((kk & 0x8000),"\t *","\t");
1099 printf("\t%s\n",cmd_feat_str[ii]);
1104 jj = val[CMDS_SUPP_0+1+(ii/16)];
1105 kk = val[CMDS_EN_0+1+(ii/16)];
1109 if ((val[CMDS_SUPP_2] & VALID) != VALID_VAL)
1114 if_printf(((val[RM_STAT] & RM_STAT_BITS) == RM_STAT_SUP),
1115 "\tRemovable Media Status Notification feature set supported\n");
1119 if ((eqpt != CDROM) && (like_std > 3) &&
1120 (val[SECU_STATUS] || val[ERASE_TIME] || val[ENH_ERASE_TIME]))
1122 printf("Security: \n");
1123 if_printf((val[PSWD_CODE] && (val[PSWD_CODE] != NOVAL_1)),
1124 "\tMaster password revision code = %u\n",val[PSWD_CODE]);
1125 jj = val[SECU_STATUS];
1128 for (ii = 0; ii < NUM_SECU_STR; ii++)
1130 if_else_printf((!(jj & 0x0001)),"\tnot\t%s\n", "\t\t%s\n", secu_str[ii]);
1133 if (val[SECU_STATUS] & SECU_ENABLED)
1135 printf("\tSecurity level ");
1136 if_else_printf((val[SECU_STATUS] & SECU_LEVEL),"maximum\n","high\n");
1139 jj = val[ERASE_TIME] & ERASE_BITS;
1140 kk = val[ENH_ERASE_TIME] & ERASE_BITS;
1144 if_printf(jj,"%umin for SECURITY ERASE UNIT. ", jj==ERASE_BITS ? 508 : jj<<1);
1145 if_printf(kk,"%umin for ENHANCED SECURITY ERASE UNIT.", kk==ERASE_BITS ? 508 : kk<<1);
1151 if ((val[HWRST_RSLT] & VALID) == VALID_VAL)
1153 printf("HW reset results:\n");
1154 if_else_printf((val[HWRST_RSLT] & CBLID),"\tCBLID- above Vih\n","\tCBLID- below Vih\n");
1156 if (val[HWRST_RSLT] & RST0)
1158 printf("\tDevice num = 0");
1159 jj = val[HWRST_RSLT];
1163 printf("\tDevice num = 1");
1164 jj = val[HWRST_RSLT] >> 8;
1167 if ((jj & DEV_DET) == JUMPER_VAL)
1168 printf(" determined by the jumper");
1169 else if ((jj & DEV_DET) == CSEL_VAL)
1170 printf(" determined by CSEL");
1174 /* more stuff from std 5 */
1175 if ((like_std > 4) && (eqpt != CDROM))
1177 if (val[CFA_PWR_MODE] & VALID_W160)
1179 printf("CFA power mode 1:\n\t");
1180 if_else_printf((val[CFA_PWR_MODE] & PWR_MODE_OFF),"disabled","enabled");
1182 if_printf((val[CFA_PWR_MODE] & PWR_MODE_REQ)," and required by some commands");
1185 if_printf((val[CFA_PWR_MODE] & MAX_AMPS),"\tMaximum current = %uma\n",val[CFA_PWR_MODE] & MAX_AMPS);
1187 if ((val[INTEGRITY] & SIG) == SIG_VAL)
1189 printf("Checksum: ");
1190 if_printf(chksum,"in");
1191 printf("correct\n");
1199 static int verbose, get_identity, get_geom, noisy = 1, quiet;
1200 static int flagcount, do_flush;
1201 static int do_ctimings, do_timings;
1203 static unsigned long set_readahead, get_readahead, Xreadahead;
1204 static unsigned long set_readonly, get_readonly, readonly;
1205 static unsigned long set_unmask, get_unmask, unmask;
1206 static unsigned long set_mult, get_mult, mult;
1207 #ifdef CONFIG_FEATURE_HDPARM_HDIO_GETSET_DMA
1208 static unsigned long set_dma, get_dma, dma;
1210 static unsigned long set_dma_q, get_dma_q, dma_q;
1211 static unsigned long set_nowerr, get_nowerr, nowerr;
1212 static unsigned long set_keep, get_keep, keep;
1213 static unsigned long set_io32bit, get_io32bit, io32bit;
1214 static unsigned long set_piomode, noisy_piomode;
1216 #ifdef HDIO_DRIVE_CMD
1217 static unsigned long set_dkeep, get_dkeep, dkeep;
1218 static unsigned long set_standby, get_standby, standby_requested;
1219 static unsigned long set_xfermode, get_xfermode;
1220 static int xfermode_requested;
1221 static unsigned long set_lookahead, get_lookahead, lookahead;
1222 static unsigned long set_prefetch, get_prefetch, prefetch;
1223 static unsigned long set_defects, get_defects, defects;
1224 static unsigned long set_wcache, get_wcache, wcache;
1225 static unsigned long set_doorlock, get_doorlock, doorlock;
1226 static unsigned long set_seagate, get_seagate;
1227 static unsigned long set_standbynow, get_standbynow;
1228 static unsigned long set_sleepnow, get_sleepnow;
1229 static unsigned long get_powermode;
1230 static unsigned long set_apmmode, get_apmmode, apmmode;
1232 #ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
1233 static int get_IDentity;
1235 #ifdef CONFIG_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF
1236 static unsigned long unregister_hwif;
1237 static unsigned long hwif;
1239 #ifdef CONFIG_FEATURE_HDPARM_HDIO_SCAN_HWIF
1240 static unsigned long scan_hwif;
1241 static unsigned long hwif_data;
1242 static unsigned long hwif_ctrl;
1243 static unsigned long hwif_irq;
1245 #ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
1246 static unsigned long set_busstate, get_busstate, busstate;
1248 static int reread_partn;
1250 #ifdef CONFIG_FEATURE_HDPARM_HDIO_DRIVE_RESET
1251 static int perform_reset;
1252 #endif /* CONFIG_FEATURE_HDPARM_HDIO_DRIVE_RESET */
1253 #ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
1254 static unsigned long perform_tristate, tristate;
1255 #endif /* CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF */
1257 // Historically, if there was no HDIO_OBSOLETE_IDENTITY, then
1258 // then the HDIO_GET_IDENTITY only returned 142 bytes.
1259 // Otherwise, HDIO_OBSOLETE_IDENTITY returns 142 bytes,
1260 // and HDIO_GET_IDENTITY returns 512 bytes. But the latest
1261 // 2.5.xx kernels no longer define HDIO_OBSOLETE_IDENTITY
1262 // (which they should, but they should just return -EINVAL).
1264 // So.. we must now assume that HDIO_GET_IDENTITY returns 512 bytes.
1265 // On a really old system, it will not, and we will be confused.
1268 #ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
1269 static const char * const cfg_str[] =
1270 { "", " HardSect", " SoftSect", " NotMFM",
1271 " HdSw>15uSec", " SpinMotCtl", " Fixed", " Removeable",
1272 " DTR<=5Mbs", " DTR>5Mbs", " DTR>10Mbs", " RotSpdTol>.5%",
1273 " dStbOff", " TrkOff", " FmtGapReq", " nonMagnetic"
1276 static const char * const BuffType[] = {"unknown", "1Sect", "DualPort", "DualPortCache"};
1278 static void dump_identity(const struct hd_driveid *id)
1281 char pmodes[64], dmodes[128], umodes[128];
1282 const unsigned short int *id_regs= (const void*) id;
1283 unsigned long capacity;
1285 pmodes[0] = dmodes[0] = umodes[0] = '\0';
1287 printf("\n Model=%.40s, FwRev=%.8s, SerialNo=%.20s\n Config={",
1288 id->model, id->fw_rev, id->serial_no);
1289 for (i=0; i<=15; i++)
1290 if_printf((id->config & (1<<i)),"%s", cfg_str[i]);
1292 printf(" }\n RawCHS=%u/%u/%u, TrkSize=%u, SectSize=%u, ECCbytes=%u\n",
1293 id->cyls, id->heads, id->sectors, id->track_bytes,
1294 id->sector_bytes, id->ecc_bytes);
1296 if (id->buf_type > 3)
1297 printf("%s%u", " BuffType=", id->buf_type);
1299 printf("%s%s", " BuffType=", BuffType[id->buf_type]);
1301 printf(", BuffSize=%ukB, MaxMultSect=%u", id->buf_size/2, id->max_multsect);
1302 if (id->max_multsect)
1304 printf(", MultSect=");
1305 if (!(id->multsect_valid&1))
1306 printf("?%u?", id->multsect);
1307 else if (id->multsect)
1308 printf("%u", id->multsect);
1315 strcat(pmodes, "pio0 ");
1316 if_strcat((id->tPIO >= 1), pmodes, "pio1 ");
1317 if_strcat((id->tPIO >= 2), pmodes, "pio2 ");
1320 if_printf((!(id->field_valid&1))," (maybe):");
1321 if (BB_BIG_ENDIAN) capacity = (id->cur_capacity0 << 16) | id->cur_capacity1;
1322 else capacity = (id->cur_capacity1 << 16) | id->cur_capacity0;
1323 printf(" CurCHS=%u/%u/%u, CurSects=%lu, LBA=%s",id->cur_cyls, id->cur_heads,
1324 id->cur_sectors, capacity ,
1325 ((id->capability&2)==0)?"no":"yes");
1327 if_printf((id->capability&2),", LBAsects=%u", id->lba_capacity);
1329 if (id->capability&1)
1331 if (id->dma_1word | id->dma_mword)
1333 if_strcat((id->dma_1word & 0x100), dmodes, "*");
1334 if_strcat((id->dma_1word & 1), dmodes, "sdma0 ");
1335 if_strcat((id->dma_1word & 0x200), dmodes, "*");
1336 if_strcat((id->dma_1word & 2), dmodes, "sdma1 ");
1337 if_strcat((id->dma_1word & 0x400), dmodes, "*");
1338 if_strcat((id->dma_1word & 4), dmodes, "sdma2 ");
1339 if_strcat((id->dma_1word & 0xf800), dmodes, "*");
1340 if_strcat((id->dma_1word & 0xf8), dmodes, "sdma? ");
1341 if_strcat((id->dma_mword & 0x100), dmodes, "*");
1342 if_strcat((id->dma_mword & 1), dmodes, "mdma0 ");
1343 if_strcat((id->dma_mword & 0x200), dmodes, "*");
1344 if_strcat((id->dma_mword & 2), dmodes, "mdma1 ");
1345 if_strcat((id->dma_mword & 0x400), dmodes, "*");
1346 if_strcat((id->dma_mword & 4), dmodes, "mdma2 ");
1347 if_strcat((id->dma_mword & 0xf800), dmodes, "*");
1348 if_strcat((id->dma_mword & 0xf8), dmodes, "mdma? ");
1351 printf("\n IORDY=");
1352 if (id->capability&8)
1353 printf((id->capability&4) ? "on/off" : "yes");
1357 if ((id->capability&8) || (id->field_valid&2))
1359 if (id->field_valid&2)
1361 printf(", tPIO={min:%u,w/IORDY:%u}", id->eide_pio, id->eide_pio_iordy);
1362 if_strcat((id->eide_pio_modes & 1), pmodes, "pio3 ");
1363 if_strcat((id->eide_pio_modes & 2), pmodes, "pio4 ");
1364 if_strcat((id->eide_pio_modes &~3), pmodes, "pio? ");
1366 if (id->field_valid&4)
1368 if_strcat((id->dma_ultra & 0x100),umodes,"*");
1369 if_strcat((id->dma_ultra & 0x001),umodes,"udma0 ");
1370 if_strcat((id->dma_ultra & 0x200),umodes,"*");
1371 if_strcat((id->dma_ultra & 0x002),umodes,"udma1 ");
1372 if_strcat((id->dma_ultra & 0x400),umodes,"*");
1373 if_strcat((id->dma_ultra & 0x004),umodes,"udma2 ");
1374 #ifdef __NEW_HD_DRIVE_ID
1375 if (id->hw_config & 0x2000)
1377 #else /* !__NEW_HD_DRIVE_ID */
1378 if (id->word93 & 0x2000)
1380 #endif /* __NEW_HD_DRIVE_ID */
1381 if_strcat((id->dma_ultra & 0x0800),umodes,"*");
1382 if_strcat((id->dma_ultra & 0x0008),umodes,"udma3 ");
1383 if_strcat((id->dma_ultra & 0x1000),umodes,"*");
1384 if_strcat((id->dma_ultra & 0x0010),umodes,"udma4 ");
1385 if_strcat((id->dma_ultra & 0x2000),umodes,"*");
1386 if_strcat((id->dma_ultra & 0x0020),umodes,"udma5 ");
1387 if_strcat((id->dma_ultra & 0x4000),umodes,"*");
1388 if_strcat((id->dma_ultra & 0x0040),umodes,"udma6 ");
1389 if_strcat((id->dma_ultra & 0x8000),umodes,"*");
1390 if_strcat((id->dma_ultra & 0x0080),umodes,"udma7 ");
1394 if_printf(((id->capability&1) && (id->field_valid&2)),
1395 ", tDMA={min:%u,rec:%u}", id->eide_dma_min, id->eide_dma_time);
1396 printf("\n PIO modes: %s", pmodes);
1397 if_printf((*dmodes),"\n DMA modes: %s", dmodes);
1398 if_printf((*umodes),"\n UDMA modes: %s", umodes);
1400 printf("\n AdvancedPM=%s",((id_regs[83]&8)==0)?"no":"yes");
1401 if (id_regs[83] & 8)
1403 if (!(id_regs[86]&8))
1404 printf(": disabled (255)");
1405 else if ((id_regs[91]&0xFF00)!=0x4000)
1406 printf(": unknown setting");
1408 printf(": mode=0x%02X (%u)",id_regs[91]&0xFF,id_regs[91]&0xFF);
1410 if_printf( (id_regs[82]&0x20)," WriteCache=%s",(id_regs[85]&0x20) ? "enabled" : "disabled");
1411 #ifdef __NEW_HD_DRIVE_ID
1412 if ((id->minor_rev_num && id->minor_rev_num <= 31) || (id->major_rev_num && id->minor_rev_num <= 31))
1414 printf("\n Drive conforms to: ");
1415 if_else_printf((id->minor_rev_num <= 31),"%s: ","unknown: ", minor_str[id->minor_rev_num]);
1416 if (id->major_rev_num != 0x0000 && /* NOVAL_0 */
1417 id->major_rev_num != 0xFFFF) { /* NOVAL_1 */
1418 for (i=0; i <= 15; i++)
1419 if_printf((id->major_rev_num & (1<<i))," ATA/ATAPI-%u", i);
1422 #endif /* __NEW_HD_DRIVE_ID */
1423 printf("\n\n * signifies the current active mode\n\n");
1427 static void flush_buffer_cache(int fd)
1429 fsync(fd); /* flush buffers */
1430 bb_ioctl(fd, BLKFLSBUF, NULL,"BLKFLSBUF" ) ;/* do it again, big time */
1431 #ifdef HDIO_DRIVE_CMD
1433 if (ioctl(fd, HDIO_DRIVE_CMD, NULL) && errno != EINVAL) /* await completion */
1434 bb_perror_msg("HDIO_DRIVE_CMD");
1438 static int seek_to_zero(int fd)
1440 if (lseek(fd, (off_t) 0, SEEK_SET))
1445 static int read_big_block(int fd, char *buf)
1449 if ((rc = read(fd, buf, TIMING_BUF_BYTES)) != TIMING_BUF_BYTES)
1457 string = "read() hit EOF - device too small";
1460 string = "read(%u) returned %u bytes";
1462 bb_error_msg(string, TIMING_BUF_BYTES, rc);
1466 /* access all sectors of buf to ensure the read fully completed */
1467 for (i = 0; i < TIMING_BUF_BYTES; i += 512)
1472 static double correction;
1474 static void do_time(int flag, int fd)
1477 flag = 1 time_device
1483 struct itimerval e1, e2;
1485 int timing_MB = TIMING_MB;
1487 if ((shmid = shmget(IPC_PRIVATE, TIMING_BUF_BYTES, 0600)) == -1)
1489 bb_error_msg(bb_msg_shared_mem,"allocate"); /*"could not allocate sharedmem buf"*/
1492 if (shmctl(shmid, SHM_LOCK, NULL) == -1)
1494 bb_error_msg(bb_msg_shared_mem,"lock"); /*"could not lock sharedmem buf"*/
1495 (void) shmctl(shmid, IPC_RMID, NULL);
1498 if ((buf = shmat(shmid, (char *) 0, 0)) == (char *) -1)
1500 bb_error_msg(bb_msg_shared_mem,"attach"); /*"could not attach sharedmem buf"*/
1501 (void) shmctl(shmid, IPC_RMID, NULL);
1504 if (shmctl(shmid, IPC_RMID, NULL) == -1)
1505 bb_error_msg("shmctl(,IPC_RMID,)");
1507 /* Clear out the device request queues & give them time to complete */
1510 if (flag == 0) /* Time cache */
1512 /* Calculate a correction factor for the basic
1513 * overhead of doing a read() from the buffer cache.
1514 * To do this, we read the data once to "cache it" and
1515 * to force full preallocation of our timing buffer,
1516 * and then we re-read it 10 times while timing it.
1518 * getitimer() is used rather than gettimeofday() because
1519 * it is much more consistent (on my machine, at least).
1521 setitimer(ITIMER_REAL, &(struct itimerval){{1000,0},{1000,0}}, NULL);
1522 if (seek_to_zero(fd))
1524 if (read_big_block(fd, buf))
1526 printf(" Timing buffer-cache reads: ");
1529 /* Clear out the device request queues & give them time to complete */
1532 /* Time re-reading from the buffer-cache */
1533 getitimer(ITIMER_REAL, &e1);
1534 for (i = (BUFCACHE_FACTOR * TIMING_BUF_COUNT) ; i > 0; --i)
1536 if (seek_to_zero(fd))
1538 if (read_big_block(fd, buf))
1541 getitimer(ITIMER_REAL, &e2);
1542 correction = (e1.it_value.tv_sec - e2.it_value.tv_sec) + ((e1.it_value.tv_usec - e2.it_value.tv_usec) / 1000000.0);
1544 /* Now remove the lseek() from the correction factor */
1545 getitimer(ITIMER_REAL, &e1);
1546 for (i = (BUFCACHE_FACTOR * TIMING_BUF_COUNT) ; i > 0; --i)
1548 if (seek_to_zero(fd))
1551 getitimer(ITIMER_REAL, &e2);
1552 correction -= (e1.it_value.tv_sec - e2.it_value.tv_sec)
1553 + ((e1.it_value.tv_usec - e2.it_value.tv_usec) / 1000000.0);
1555 if ((BUFCACHE_FACTOR * timing_MB) >= correction) /* more than 1MB/s */
1556 printf("%2d MB in %5.2f seconds =%6.2f MB/sec\n",
1557 (BUFCACHE_FACTOR * timing_MB), correction,
1558 (BUFCACHE_FACTOR * timing_MB) / correction);
1560 printf("%2d MB in %5.2f seconds =%6.2f kB/sec\n",
1561 (BUFCACHE_FACTOR * timing_MB), correction,
1562 (BUFCACHE_FACTOR * timing_MB) / correction * 1024);
1563 correction /= BUFCACHE_FACTOR;
1565 flush_buffer_cache(fd);
1568 else /* Time device */
1570 printf(" Timing buffered disk reads: ");
1574 * getitimer() is used rather than gettimeofday() because
1575 * it is much more consistent (on my machine, at least).
1577 setitimer(ITIMER_REAL, &(struct itimerval){{1000,0},{1000,0}}, NULL);
1579 /* Now do the timings for real */
1580 getitimer(ITIMER_REAL, &e1);
1581 for (i = TIMING_BUF_COUNT; i > 0; --i)
1583 if (read_big_block(fd, buf))
1586 getitimer(ITIMER_REAL, &e2);
1588 elapsed = (e1.it_value.tv_sec - e2.it_value.tv_sec) + ((e1.it_value.tv_usec - e2.it_value.tv_usec) / 1000000.0);
1590 if (timing_MB >= elapsed) /* more than 1MB/s */
1591 printf("%2d MB in %5.2f seconds =%6.2f MB/sec\n",timing_MB, elapsed, timing_MB / elapsed);
1593 printf("%2d MB in %5.2f seconds =%6.2f kB/sec\n",timing_MB, elapsed, timing_MB / elapsed * 1024);
1595 /*"Hmm.. suspicious results: probably not enough free memory for a proper test.");*/
1596 if (elapsed <= (correction * 2))
1597 bb_error_msg(bb_msg_memory_exhausted);
1599 #if 0 /* the "estimate" is just plain wrong for many systems.. */
1600 else if (correction != 0.0) {
1601 printf(" Estimating raw driver speed: ");
1602 elapsed -= correction;
1603 if (timing_MB >= elapsed) /* more than 1MB/s */
1604 printf("%2d MB in %5.2f seconds =%6.2f MB/sec\n",
1605 timing_MB, elapsed, timing_MB / elapsed);
1607 printf("%2d MB in %5.2f seconds =%6.2f kB/sec\n",
1608 timing_MB, elapsed, timing_MB / elapsed * 1024);
1613 if (-1 == shmdt(buf))
1614 bb_error_msg(bb_msg_shared_mem,"detach"); /*"could not detach sharedmem buf"*/
1617 static void on_off (unsigned int value)
1619 printf(value ? " (on)\n" : " (off)\n");
1622 #ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
1623 static void bus_state_value(unsigned int value)
1633 string = " (off)\n";
1635 case BUSSTATE_TRISTATE:
1636 string = " (tristate)\n";
1639 string = " (unknown: %d)\n";
1642 printf(string, value);
1646 #ifdef HDIO_DRIVE_CMD
1647 static void interpret_standby(unsigned int standby)
1656 printf("21 minutes");
1659 printf("vendor-specific");
1662 printf("?reserved");
1665 printf("21 minutes + 15 seconds");
1670 unsigned int secs = standby * 5;
1671 unsigned int mins = secs / 60;
1673 if_printf(mins,"%u minutes", mins);
1674 if_printf((mins && secs)," + ");
1675 if_printf(secs,"%u seconds", secs);
1677 else if (standby <= 251)
1679 unsigned int mins = (standby - 240) * 30;
1680 unsigned int hrs = mins / 60;
1682 if_printf(hrs,"%u hours", hrs);
1683 if_printf((hrs && mins)," + ");
1684 if_printf(mins,"%u minutes", mins);
1687 printf("illegal value");
1693 struct xfermode_entry {
1698 static const struct xfermode_entry xfermode_table[] = {
1734 static int translate_xfermode(char * name)
1736 const struct xfermode_entry *tmp;
1741 for (tmp = xfermode_table; tmp->name != NULL; ++tmp)
1743 if (!strcmp(name, tmp->name))
1748 val = strtol(name, &endptr, 10);
1749 if (*endptr == '\0')
1755 static void interpret_xfermode(unsigned int xfermode)
1760 printf("default PIO mode");
1763 printf("default PIO mode, disable IORDY");
1773 printf("PIO flow control mode%u", xfermode-8);
1783 printf("singleword DMA mode%u", xfermode-16);
1793 printf("multiword DMA mode%u", xfermode-32);
1803 printf("UltraDMA mode%u", xfermode-64);
1806 printf("unknown, probably not valid");
1811 #endif /* HDIO_DRIVE_CMD */
1813 static void process_dev(char *devname)
1816 static long parm, multcount;
1817 #ifndef HDIO_DRIVE_CMD
1818 int force_operation = 0;
1820 /* Please restore args[n] to these values after each ioctl
1821 except for args[2] */
1822 unsigned char args[4] = {WIN_SETFEATURES,0,0,0};
1824 fd = bb_xopen(devname, O_RDONLY|O_NONBLOCK);
1825 if_printf(!quiet, "\n%s:\n", devname);
1829 if_printf(get_readahead," setting fs readahead to %ld\n", Xreadahead);
1830 bb_ioctl(fd, BLKRASET,(int *)Xreadahead,"BLKRASET");
1832 #ifdef CONFIG_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF
1833 if (unregister_hwif)
1835 printf(" attempting to unregister hwif#%lu\n", hwif);
1836 bb_ioctl(fd, HDIO_UNREGISTER_HWIF,(int *)(unsigned long)hwif,"HDIO_UNREGISTER_HWIF");
1839 #ifdef CONFIG_FEATURE_HDPARM_HDIO_SCAN_HWIF
1842 printf(" attempting to scan hwif (0x%lx, 0x%lx, %lu)\n", hwif_data, hwif_ctrl, hwif_irq);
1843 args[0] = hwif_data;
1844 args[1] = hwif_ctrl;
1846 bb_ioctl(fd, HDIO_SCAN_HWIF, args, "HDIO_SCAN_HWIF");
1847 args[0] = WIN_SETFEATURES;
1855 printf(" attempting to ");
1857 printf("auto-tune PIO mode\n");
1858 else if (piomode < 100)
1859 printf("set PIO mode to %d\n", piomode);
1860 else if (piomode < 200)
1861 printf("set MDMA mode to %d\n", (piomode-100));
1863 printf("set UDMA mode to %d\n", (piomode-200));
1865 bb_ioctl(fd, HDIO_SET_PIO_MODE, (int *)(unsigned long)piomode, "HDIO_SET_PIO_MODE");
1869 if_printf(get_io32bit," setting 32-bit IO_support flag to %ld\n", io32bit);
1870 bb_ioctl(fd, HDIO_SET_32BIT, (int *)io32bit, "HDIO_SET_32BIT");
1874 if_printf(get_mult, " setting multcount to %ld\n", mult);
1875 if (ioctl(fd, HDIO_SET_MULTCOUNT, mult))
1876 bb_perror_msg("HDIO_SET_MULTCOUNT");
1877 #ifndef HDIO_DRIVE_CMD
1879 force_operation = 1;
1884 if_printf_on_off(get_readonly," setting readonly to %ld", readonly);
1885 bb_ioctl(fd, BLKROSET, &readonly, "BLKROSET");
1889 if_printf_on_off(get_unmask," setting unmaskirq to %ld", unmask);
1890 bb_ioctl(fd, HDIO_SET_UNMASKINTR, (int *)unmask, "HDIO_SET_UNMASKINTR");
1892 #ifdef CONFIG_FEATURE_HDPARM_HDIO_GETSET_DMA
1895 if_printf_on_off(get_dma," setting using_dma to %ld", dma);
1896 bb_ioctl(fd, HDIO_SET_DMA, (int *)dma, "HDIO_SET_DMA");
1898 #endif /* CONFIG_FEATURE_HDPARM_HDIO_GETSET_DMA */
1901 if_printf_on_off(get_dma_q," setting DMA queue_depth to %ld", dma_q);
1902 bb_ioctl(fd, HDIO_SET_QDMA, (int *)dma_q, "HDIO_SET_QDMA");
1906 if_printf_on_off(get_nowerr," setting nowerr to %ld", nowerr);
1907 bb_ioctl(fd, HDIO_SET_NOWERR, (int *)nowerr,"HDIO_SET_NOWERR");
1911 if_printf_on_off(get_keep," setting keep_settings to %ld", keep);
1912 bb_ioctl(fd, HDIO_SET_KEEPSETTINGS, (int *)keep,"HDIO_SET_KEEPSETTINGS");
1914 #ifdef HDIO_DRIVE_CMD
1917 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)");
1921 args[0] = WIN_SETFEATURES;
1925 /* lock/unlock the drive's "feature" settings */
1926 if_printf_on_off(get_dkeep," setting drive keep features to %ld", dkeep);
1927 args[2] = dkeep ? 0x66 : 0xcc;
1928 bb_ioctl(fd, HDIO_DRIVE_CMD, &args,"HDIO_DRIVE_CMD(keepsettings)");
1932 args[2] = defects ? 0x04 : 0x84;
1933 if_printf(get_defects," setting drive defect-mgmt to %ld\n", defects);
1934 bb_ioctl(fd, HDIO_DRIVE_CMD, &args,"HDIO_DRIVE_CMD(defectmgmt)");
1940 if_printf(get_prefetch," setting drive prefetch to %ld\n", prefetch);
1941 bb_ioctl(fd, HDIO_DRIVE_CMD, &args, "HDIO_DRIVE_CMD(setprefetch)");
1946 args[1] = xfermode_requested;
1950 printf(" setting xfermode to %d", xfermode_requested);
1951 interpret_xfermode(xfermode_requested);
1953 bb_ioctl(fd, HDIO_DRIVE_CMD, &args,"HDIO_DRIVE_CMD(setxfermode)");
1958 args[2] = lookahead ? 0xaa : 0x55;
1959 if_printf_on_off(get_lookahead," setting drive read-lookahead to %ld", lookahead);
1960 bb_ioctl(fd, HDIO_DRIVE_CMD, &args, "HDIO_DRIVE_CMD(setreadahead)");
1964 apmmode=check_if_min_and_set_val(apmmode,1);
1965 apmmode=check_if_maj_and_set_val(apmmode,255);
1966 if_printf(get_apmmode," setting APM level to");
1969 /* disable Advanced Power Management */
1970 args[2] = 0x85; /* feature register */
1971 if_printf(get_apmmode," disabled\n");
1975 /* set Advanced Power Management mode */
1976 args[2] = 0x05; /* feature register */
1977 args[1] = apmmode; /* sector count register */
1978 if_printf(get_apmmode," 0x%02lX (%ld)\n",apmmode,apmmode);
1980 bb_ioctl(fd, HDIO_DRIVE_CMD, &args,"HDIO_DRIVE_CMD");
1985 #ifdef DO_FLUSHCACHE
1986 #ifndef WIN_FLUSHCACHE
1987 #define WIN_FLUSHCACHE 0xe7
1989 static unsigned char flushcache[4] = {WIN_FLUSHCACHE,0,0,0};
1990 #endif /* DO_FLUSHCACHE */
1991 args[2] = wcache ? 0x02 : 0x82;
1992 if_printf_on_off(get_wcache," setting drive write-caching to %ld", wcache);
1993 #ifdef DO_FLUSHCACHE
1995 bb_ioctl(fd, HDIO_DRIVE_CMD, &flushcache, "HDIO_DRIVE_CMD(flushcache)");
1996 #endif /* DO_FLUSHCACHE */
1997 bb_ioctl(fd, HDIO_DRIVE_CMD, &args, "HDIO_DRIVE_CMD(setcache)");
1998 #ifdef DO_FLUSHCACHE
2000 bb_ioctl(fd, HDIO_DRIVE_CMD, &flushcache, "HDIO_DRIVE_CMD(flushcache)");
2001 #endif /* DO_FLUSHCACHE */
2004 /* In code below, we do not preserve args[0], but the rest
2005 is preserved, including args[2] */
2010 #ifndef WIN_STANDBYNOW1
2011 #define WIN_STANDBYNOW1 0xE0
2013 #ifndef WIN_STANDBYNOW2
2014 #define WIN_STANDBYNOW2 0x94
2016 if_printf(get_standbynow," issuing standby command\n");
2017 args[0] = WIN_STANDBYNOW1;
2018 bb_ioctl_alt(fd, HDIO_DRIVE_CMD, args, WIN_STANDBYNOW2, "HDIO_DRIVE_CMD(standby)");
2022 #ifndef WIN_SLEEPNOW1
2023 #define WIN_SLEEPNOW1 0xE6
2025 #ifndef WIN_SLEEPNOW2
2026 #define WIN_SLEEPNOW2 0x99
2028 if_printf(get_sleepnow," issuing sleep command\n");
2029 args[0] = WIN_SLEEPNOW1;
2030 bb_ioctl_alt(fd, HDIO_DRIVE_CMD, args, WIN_SLEEPNOW2, "HDIO_DRIVE_CMD(sleep)");
2035 if_printf(get_seagate," disabling Seagate auto powersaving mode\n");
2036 bb_ioctl(fd, HDIO_DRIVE_CMD, &args, "HDIO_DRIVE_CMD(seagatepwrsave)");
2040 args[0] = WIN_SETIDLE1;
2041 args[1] = standby_requested;
2044 printf(" setting standby to %lu", standby_requested);
2045 interpret_standby(standby_requested);
2047 bb_ioctl(fd, HDIO_DRIVE_CMD, &args, "HDIO_DRIVE_CMD(setidle1)");
2050 #else /* HDIO_DRIVE_CMD */
2051 if (force_operation)
2054 flush_buffer_cache(fd);
2055 if (-1 == read(fd, buf, sizeof(buf)))
2056 bb_error_msg("access failed");
2058 #endif /* HDIO_DRIVE_CMD */
2063 if (verbose || get_mult || get_identity)
2066 if (ioctl(fd, HDIO_GET_MULTCOUNT, &multcount))
2068 if (verbose || get_mult)
2069 bb_perror_msg("HDIO_GET_MULTCOUNT");
2071 else if (verbose | get_mult)
2073 printf(" multcount = %2ld", multcount);
2077 if (verbose || get_io32bit)
2079 if (!bb_ioctl(fd, HDIO_GET_32BIT, &parm, "HDIO_GET_32BIT"))
2081 printf(" IO_support =%3ld (", parm);
2087 printf("16-bit)\n");
2090 printf("32-bit)\n");
2093 printf("32-bit w/sync)\n");
2096 printf("Request-Queue-Bypass)\n");
2099 printf("\?\?\?)\n");
2104 if (verbose || get_unmask)
2106 bb_ioctl_on_off(fd, HDIO_GET_UNMASKINTR,(unsigned long *)parm,
2107 "HDIO_GET_UNMASKINTR"," unmaskirq = %2ld");
2111 #ifdef CONFIG_FEATURE_HDPARM_HDIO_GETSET_DMA
2112 if (verbose || get_dma) {
2113 if (!bb_ioctl(fd, HDIO_GET_DMA, &parm, "HDIO_GET_DMA"))
2115 printf(" using_dma = %2ld", parm);
2117 printf(" (DMA-Assisted-PIO)\n");
2125 bb_ioctl_on_off (fd, HDIO_GET_QDMA,(unsigned long *)parm,
2126 "HDIO_GET_QDMA"," queue_depth = %2ld");
2128 if (verbose || get_keep)
2130 bb_ioctl_on_off (fd, HDIO_GET_KEEPSETTINGS,(unsigned long *)parm,
2131 "HDIO_GET_KEEPSETTINGS"," keepsettings = %2ld");
2136 bb_ioctl_on_off (fd, HDIO_GET_NOWERR,(unsigned long *)&parm,
2137 " HDIO_GET_NOWERR"," nowerr = %2ld");
2139 if (verbose || get_readonly)
2141 bb_ioctl_on_off(fd, BLKROGET,(unsigned long *)parm,
2142 " BLKROGET"," readonly = %2ld");
2144 if (verbose || get_readahead)
2146 bb_ioctl_on_off (fd, BLKRAGET, (unsigned long *) parm,
2147 " BLKRAGET"," readahead = %2ld");
2149 if (verbose || get_geom)
2151 if (!bb_ioctl(fd, BLKGETSIZE, &parm, "BLKGETSIZE"))
2153 struct hd_geometry g;
2155 if (!bb_ioctl(fd, HDIO_GETGEO, &g, "HDIO_GETGEO"))
2156 printf(" geometry = %u/%u/%u, sectors = %ld, start = %ld\n",
2157 g.cylinders, g.heads, g.sectors, parm, g.start);
2160 #ifdef HDIO_DRIVE_CMD
2163 #ifndef WIN_CHECKPOWERMODE1
2164 #define WIN_CHECKPOWERMODE1 0xE5
2166 #ifndef WIN_CHECKPOWERMODE2
2167 #define WIN_CHECKPOWERMODE2 0x98
2171 args[0] = WIN_CHECKPOWERMODE1;
2172 if (bb_ioctl_alt(fd, HDIO_DRIVE_CMD, args, WIN_CHECKPOWERMODE2, 0))
2174 if (errno != EIO || args[0] != 0 || args[1] != 0)
2180 state = (args[2] == 255) ? "active/idle" : "standby";
2181 args[1] = args[2] = 0;
2183 printf(" drive state is: %s\n", state);
2186 #ifdef CONFIG_FEATURE_HDPARM_HDIO_DRIVE_RESET
2189 bb_ioctl(fd, HDIO_DRIVE_RESET, NULL, "HDIO_DRIVE_RESET");
2191 #endif /* CONFIG_FEATURE_HDPARM_HDIO_DRIVE_RESET */
2192 #ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
2193 if (perform_tristate)
2197 bb_ioctl(fd, HDIO_TRISTATE_HWIF, &args, "HDIO_TRISTATE_HWIF");
2199 #endif /* CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF */
2200 #ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
2203 static struct hd_driveid id;
2205 if (!ioctl(fd, HDIO_GET_IDENTITY, &id))
2207 if (multcount != -1)
2209 id.multsect = multcount;
2210 id.multsect_valid |= 1;
2213 id.multsect_valid &= ~1;
2216 else if (errno == -ENOMSG)
2217 printf(" no identification info available\n");
2219 bb_perror_msg("HDIO_GET_IDENTITY");
2224 unsigned char args1[4+512]; /* = { ... } will eat 0.5k of rodata! */
2227 memset(args1, 0, sizeof(args1));
2228 args1[0] = WIN_IDENTIFY;
2230 if (!bb_ioctl_alt(fd, HDIO_DRIVE_CMD, args1, WIN_PIDENTIFY, "HDIO_DRIVE_CMD(identify)")) {
2231 for (i=0; i<(sizeof args1)/2; i+=2)
2232 __le16_to_cpus((uint16_t *)(&args1[i]));
2233 identify((void *)&args1[4]);
2237 #ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
2242 printf(" setting bus state to %ld", 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 #ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
2272 static int fromhex(unsigned char c)
2274 if (c >= 'a' && c <= 'f')
2275 return 10 + (c - 'a');
2276 if (c >= '0' && c <= '9')
2278 bb_error_msg_and_die("bad char: '%c' 0x%02x", c, c);
2281 static void identify_from_stdin(void)
2283 unsigned short sbuf[800];
2284 unsigned char buf[1600], *b = (unsigned char *)buf;
2285 int i, count = read(0, buf, 1280);
2288 bb_error_msg_and_die("read(1280 bytes) failed (rc=%d)", count);
2289 for (i = 0; count >= 4; ++i)
2291 sbuf[i] = (fromhex(b[0]) << 12) | (fromhex(b[1]) << 8) | (fromhex(b[2]) << 4) | fromhex(b[3]);
2292 __le16_to_cpus((uint16_t *)(&sbuf[i]));
2300 /* busybox specific stuff */
2301 static void parse_opts(unsigned long *get, unsigned long *set, unsigned long *value, int min, int max)
2303 /* noisy is a global var */
2304 if (get) { /* *get is initialized to 0 */
2310 *value = bb_xgetlarg(optarg, 10, min, max);
2314 #ifdef HDIO_DRIVE_CMD
2315 static void parse_opts_v2(int flag, unsigned long *get, unsigned long *set)
2318 /* noisy is a global var */
2326 static void parse_opts_v3(int flag, unsigned long *get, unsigned long *set, int *value)
2329 /* noisy is a global var */
2333 *set = ((*value = translate_xfermode(optarg)) > -1);
2338 /*-------------------------------------*/
2339 /* getopt long options */
2340 #if ENABLE_FEATURE_HDPARM_GET_IDENTITY
2341 static const struct option HDPARM_LONG_OPT[] =
2343 {"Istdin", 0, NULL, '\256'},
2347 #define HDPARM_LONG_OPT NULL
2349 /*-------------------------------------*/
2350 /* getopt short options */
2351 static const char hdparm_options[]= "Vvgfqu::n::p:r::m::c::k::a::B:tTh"\
2352 USE_FEATURE_HDPARM_GET_IDENTITY("\256iI")
2353 USE_FEATURE_HDPARM_HDIO_GETSET_DMA("d::")
2354 #ifdef HDIO_DRIVE_CMD
2355 "S::D::P::X::K::A::L::W::CyYzZ"
2357 USE_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF("U:")
2358 #ifdef HDIO_GET_QDMA
2359 #ifdef HDIO_SET_QDMA
2365 USE_FEATURE_HDPARM_HDIO_DRIVE_RESET("w")
2366 USE_FEATURE_HDPARM_HDIO_TRISTATE_HWIF("x::b:")
2367 USE_FEATURE_HDPARM_HDIO_SCAN_HWIF("R:");
2368 /*-------------------------------------*/
2370 /* our main() routine: */
2371 int hdparm_main(int argc, char **argv) ATTRIBUTE_NORETURN;
2372 int hdparm_main(int argc, char **argv)
2376 while ((c = getopt_long (argc, argv, hdparm_options, HDPARM_LONG_OPT , NULL)) >= 0) {
2377 /* When no flags are given (flagcount = 0), -acdgkmnru is assumed. */
2379 #if ENABLE_FEATURE_HDPARM_GET_IDENTITY
2381 identify_from_stdin(); /* EXIT */
2385 printf("%s %s\n",bb_applet_name, VERSION);
2389 verbose = (c == 'v');
2390 USE_FEATURE_HDPARM_GET_IDENTITY(get_IDentity = (c == 'I'));
2391 USE_FEATURE_HDPARM_GET_IDENTITY(get_identity = (c == 'i'));
2392 get_geom = (c == 'g');
2393 do_flush = (c == 'f');
2398 if (c == 'u') parse_opts(&get_unmask, &set_unmask, &unmask, 0, 1);
2399 USE_FEATURE_HDPARM_HDIO_GETSET_DMA(if (c == 'd') parse_opts(&get_dma, &set_dma, &dma, 0, 9));
2400 if (c == 'n') parse_opts(&get_nowerr, &set_nowerr, &nowerr, 0, 1);
2401 parse_opts_v3((c == 'p'),&noisy_piomode, &set_piomode, &piomode);
2402 if (c == 'r') parse_opts(&get_readonly, &set_readonly, &readonly, 0, 1);
2403 if (c == 'm') parse_opts(&get_mult, &set_mult, &mult, 0, INT_MAX /*32*/);
2404 if (c == 'c') parse_opts(&get_io32bit, &set_io32bit, &io32bit, 0, INT_MAX /*8*/);
2405 if (c == 'k') parse_opts(&get_keep, &set_keep, &keep, 0, 1);
2406 if (c == 'a') parse_opts(&get_readahead, &set_readahead, &Xreadahead, 0, INT_MAX);
2407 if (c == 'B') parse_opts(&get_apmmode, &set_apmmode, &apmmode, 1, 255);
2408 do_flush |= do_timings = (c == 't');
2409 do_flush |= do_ctimings = (c == 'T');
2410 #ifdef HDIO_DRIVE_CMD
2411 if (c == 'S') parse_opts(&get_standby, &set_standby, &standby_requested, 0, INT_MAX);
2412 if (c == 'D') parse_opts(&get_defects, &set_defects, &defects, 0, INT_MAX);
2413 if (c == 'P') parse_opts(&get_prefetch, &set_prefetch, &prefetch, 0, INT_MAX);
2414 parse_opts_v3((c == 'X'), &get_xfermode, &set_xfermode, &xfermode_requested);
2415 if (c == 'K') parse_opts(&get_dkeep, &set_dkeep, &prefetch, 0, 1);
2416 if (c == 'A') parse_opts(&get_lookahead, &set_lookahead, &lookahead, 0, 1);
2417 if (c == 'L') parse_opts(&get_doorlock, &set_doorlock, &doorlock, 0, 1);
2418 if (c == 'W') parse_opts(&get_wcache, &set_wcache, &wcache, 0, 1);
2419 parse_opts_v3((c == 'C'), &get_powermode, NULL, NULL);
2420 parse_opts_v2((c == 'y'), &get_standbynow, &set_standbynow);
2421 parse_opts_v2((c == 'Y'), &get_sleepnow, &set_sleepnow);
2422 reread_partn = (c == 'z');
2423 parse_opts_v2((c == 'Z'), &get_seagate, &set_seagate);
2425 USE_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF(if (c == 'U') parse_opts(NULL, &unregister_hwif, &hwif, 0, INT_MAX));
2426 #ifdef HDIO_GET_QDMA
2428 #ifdef HDIO_SET_QDMA
2429 parse_opts(&get_dma_q, &set_dma_q, &dma_q, 0, INT_MAX);
2431 parse_opts(&get_dma_q, NULL, NULL, 0, 0);
2435 USE_FEATURE_HDPARM_HDIO_DRIVE_RESET( perform_reset = (c == 'r'));
2436 USE_FEATURE_HDPARM_HDIO_TRISTATE_HWIF(if (c == 'x') parse_opts(NULL, &perform_tristate, &tristate, 0, 1));
2437 USE_FEATURE_HDPARM_HDIO_TRISTATE_HWIF(if (c == 'b') parse_opts(&get_busstate, &set_busstate, &busstate, 0, 2));
2438 #if ENABLE_FEATURE_HDPARM_HDIO_SCAN_HWIF
2440 parse_opts(NULL, &scan_hwif, &hwif_data, 0, INT_MAX);
2441 hwif_ctrl = bb_xgetlarg((argv[optind]) ? argv[optind] : "", 10, 0, INT_MAX);
2442 hwif_irq = bb_xgetlarg((argv[optind+1]) ? argv[optind+1] : "", 10, 0, INT_MAX);
2443 /* Move past the 2 additional arguments */