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 <linux/major.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 0x1C
263 #ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
264 static const char * const minor_str[] = { /* word 81 value: */
265 "device does not report version", /* 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 NCITS 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 NCITS 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 "Reserved", /* 0x001a */
292 "ATA/ATAPI-6 T13 1410D revision 2", /* 0x001b */
293 "ATA/ATAPI-6 T13 1410D revision 1", /* 0x001c */
294 "reserved" /* 0x001d */
295 "reserved" /* 0x001e */
296 "reserved" /* 0x001f-0xfffe*/
299 static const char actual_ver[] = {
301 0, /* 0x0000 WARNING: */
302 1, /* 0x0001 WARNING: */
303 1, /* 0x0002 WARNING: */
304 1, /* 0x0003 WARNING: */
305 2, /* 0x0004 WARNING: This array */
306 2, /* 0x0005 WARNING: corresponds */
307 3, /* 0x0006 WARNING: *exactly* */
308 2, /* 0x0007 WARNING: to the ATA/ */
309 3, /* 0x0008 WARNING: ATAPI version */
310 2, /* 0x0009 WARNING: listed in */
311 3, /* 0x000a WARNING: the */
312 3, /* 0x000b WARNING: minor_str */
313 3, /* 0x000c WARNING: array */
314 4, /* 0x000d WARNING: above. */
315 4, /* 0x000e WARNING: */
316 4, /* 0x000f WARNING: if you change */
317 4, /* 0x0010 WARNING: that one, */
318 4, /* 0x0011 WARNING: change this one */
319 4, /* 0x0012 WARNING: too!!! */
320 5, /* 0x0013 WARNING: */
321 4, /* 0x0014 WARNING: */
322 5, /* 0x0015 WARNING: */
323 5, /* 0x0016 WARNING: */
324 4, /* 0x0017 WARNING: */
325 6, /* 0x0018 WARNING: */
326 6, /* 0x0019 WARNING: */
327 0, /* 0x001a WARNING: */
328 6, /* 0x001b WARNING: */
329 6, /* 0x001c WARNING: */
330 0 /* 0x001d-0xfffe */
333 /* words 82-84: cmds/feats supported */
334 #define CMDS_W82 0x77ff /* word 82: defined command locations*/
335 #define CMDS_W83 0x3fff /* word 83: defined command locations*/
336 #define CMDS_W84 0x002f /* word 83: defined command locations*/
337 #define SUPPORT_48_BIT 0x0400
338 #define NUM_CMD_FEAT_STR 48
340 #ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
341 static const char * const cmd_feat_str[] = {
342 "", /* word 82 bit 15: obsolete */
343 "NOP cmd", /* word 82 bit 14 */
344 "READ BUFFER cmd", /* word 82 bit 13 */
345 "WRITE BUFFER cmd", /* word 82 bit 12 */
346 "", /* word 82 bit 11: obsolete */
347 "Host Protected Area feature set", /* word 82 bit 10 */
348 "DEVICE RESET cmd", /* word 82 bit 9 */
349 "SERVICE interrupt", /* word 82 bit 8 */
350 "Release interrupt", /* word 82 bit 7 */
351 "Look-ahead", /* word 82 bit 6 */
352 "Write cache", /* word 82 bit 5 */
353 "PACKET command feature set", /* word 82 bit 4 */
354 "Power Management feature set", /* word 82 bit 3 */
355 "Removable Media feature set", /* word 82 bit 2 */
356 "Security Mode feature set", /* word 82 bit 1 */
357 "SMART feature set", /* word 82 bit 0 */
359 "", /* word 83 bit 15: !valid bit */
360 "", /* word 83 bit 14: valid bit */
361 "FLUSH CACHE EXT command", /* word 83 bit 13 */
362 "Mandatory FLUSH CACHE command ", /* word 83 bit 12 */
363 "Device Configuration Overlay feature set ",
364 "48-bit Address feature set ", /* word 83 bit 10 */
366 "SET MAX security extension", /* word 83 bit 8 */
367 "Address Offset Reserved Area Boot", /* word 83 bit 7 */
368 "SET FEATURES subcommand required to spinup after power up",
369 "Power-Up In Standby feature set", /* word 83 bit 5 */
370 "Removable Media Status Notification feature set",
371 "Adv. Power Management feature set",/* word 83 bit 3 */
372 "CFA feature set", /* word 83 bit 2 */
373 "READ/WRITE DMA QUEUED", /* word 83 bit 1 */
374 "DOWNLOAD MICROCODE cmd", /* word 83 bit 0 */
376 "", /* word 84 bit 15: !valid bit */
377 "", /* word 84 bit 14: valid bit */
378 "", /* word 84 bit 13: reserved */
379 "", /* word 84 bit 12: reserved */
380 "", /* word 84 bit 11: reserved */
381 "", /* word 84 bit 10: reserved */
382 "", /* word 84 bit 9: reserved */
383 "", /* word 84 bit 8: reserved */
384 "", /* word 84 bit 7: reserved */
385 "", /* word 84 bit 6: reserved */
386 "General Purpose Logging feature set", /* word 84 bit 5 */
387 "", /* word 84 bit 4: reserved */
388 "Media Card Pass Through Command feature set ",
389 "Media serial number ", /* word 84 bit 2 */
390 "SMART self-test ", /* word 84 bit 1 */
391 "SMART error logging " /* word 84 bit 0 */
396 /* words 85-87: cmds/feats enabled */
397 /* use cmd_feat_str[] to display what commands and features have
398 * been enabled with words 85-87
401 /* words 89, 90, SECU ERASE TIME */
402 #define ERASE_BITS 0x00ff
404 /* word 92: master password revision */
405 /* NOVAL_0 or NOVAL_1 means no support for master password revision */
407 /* word 93: hw reset result */
408 #define CBLID 0x2000 /* CBLID status */
409 #define RST0 0x0001 /* 1=reset to device #0 */
410 #define DEV_DET 0x0006 /* how device num determined */
411 #define JUMPER_VAL 0x0002 /* device num determined by jumper */
412 #define CSEL_VAL 0x0004 /* device num determined by CSEL_VAL */
414 /* word 127: removable media status notification feature set support */
415 #define RM_STAT_BITS 0x0003
416 #define RM_STAT_SUP 0x0001
418 /* word 128: security */
419 #define SECU_ENABLED 0x0002
420 #define SECU_LEVEL 0x0010
421 #define NUM_SECU_STR 6
422 #ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
423 static const char * const secu_str[] = {
424 "supported", /* word 128, bit 0 */
425 "enabled", /* word 128, bit 1 */
426 "locked", /* word 128, bit 2 */
427 "frozen", /* word 128, bit 3 */
428 "expired: security count", /* word 128, bit 4 */
429 "supported: enhanced erase" /* word 128, bit 5 */
433 /* word 160: CFA power mode */
434 #define VALID_W160 0x8000 /* 1=word valid */
435 #define PWR_MODE_REQ 0x2000 /* 1=CFA power mode req'd by some cmds*/
436 #define PWR_MODE_OFF 0x1000 /* 1=CFA power moded disabled */
437 #define MAX_AMPS 0x0fff /* value = max current in ma */
439 /* word 255: integrity */
440 #define SIG 0x00ff /* signature location */
441 #define SIG_VAL 0x00A5 /* signature value */
443 #define VERSION "v5.4"
446 #define TIMING_BUF_MB 1
447 #define TIMING_BUF_BYTES (TIMING_BUF_MB * 1024 * 1024)
448 #define TIMING_BUF_COUNT (timing_MB / TIMING_BUF_MB)
449 #define BUFCACHE_FACTOR 2
451 #undef DO_FLUSHCACHE /* under construction: force cache flush on -W0 */
453 /* Busybox messages and functions */
455 static const char bb_msg_shared_mem[] = "could not %s sharedmem buf";
456 static const char bb_msg_op_not_supp[] = " operation not supported on %s disks";
458 static void bb_ioctl(int fd, int request, void *argp, const char *string)
460 if (ioctl (fd, request, argp) != 0)
461 bb_perror_msg(" %s", string);
464 static void if_printf(unsigned long i, char *fmt, ... )
473 static void on_off (unsigned int value);
475 static void if_printf_on_off(unsigned long get_arg,const char *fmt, unsigned long arg)
484 static void bb_ioctl_on_off(int fd, int request, void *argp, const char *string,
487 if (ioctl (fd, request, &argp) != 0)
488 bb_perror_msg(" %s", string);
491 printf(fmt, (unsigned long) argp);
492 on_off((unsigned long) argp);
496 #ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
497 static void if_else_printf(unsigned long i, char *fmt1, char *fmt2, ... )
508 static void print_ascii(uint16_t *p, uint8_t length);
510 static void xprint_ascii(uint16_t *val ,int i, char * string, int n)
514 printf("\t%-20s",string);
515 print_ascii(&val[i], n);
519 static void if_strcat(unsigned long test, char *modes, char *string)
522 strcat(modes,string);
526 static void sync_and_sleep(int i)
532 static uint16_t check_if_min_and_set_val(uint16_t a, uint16_t b)
539 static uint16_t check_if_maj_and_set_val(uint16_t a, uint16_t b)
546 static unsigned long int set_flag(char *p, char max)
548 if (*p >= '0' && *p <= max )
553 /* end of busybox specific stuff */
555 #ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
556 static uint8_t mode_loop(uint16_t mode_sup, uint16_t mode_sel, int cc, uint8_t *have_mode)
561 for(ii = 0; ii <= MODE_MAX; ii++)
563 if(mode_sel & 0x0001)
565 printf("*%cdma%u ",cc,ii);
570 else if(mode_sup & 0x0001)
571 printf("%cdma%u ",cc,ii);
579 static void print_ascii(uint16_t *p, uint8_t length) {
583 /* find first non-space & print it */
584 for(ii = 0; ii< length; ii++)
586 if(((char) 0x00ff&((*p)>>8)) != ' ')
588 if((cl = (char) 0x00ff&(*p)) != ' ')
590 if_printf((cl != '\0'),"%c",cl);
598 for(; ii< length; ii++)
601 break; /* some older devices have NULLs */
602 printf("%c%c",(char)0x00ff&((*p)>>8),(char)(*p)&0x00ff);
608 /* identify() is the only extern function used across two source files. The
609 others, though, were declared in hdparm.c with global scope; since other
610 functions in that file have static (file) scope, I assume the difference is
612 static void identify (uint16_t *id_supplied, const char *devname)
615 char *id_file = NULL;
617 uint16_t val[256], ii, jj, kk;
618 uint16_t like_std = 1, std = 0, min_std = 0xffff;
619 uint16_t dev = NO_DEV, eqpt = NO_DEV;
620 uint8_t have_mode = 0, err_dma = 0;
622 uint32_t ll, mm, nn, oo;
623 __u64 bbbig; /* (:) */
627 #if __BYTE_ORDER == __BIG_ENDIAN
628 swab(id_supplied, val, sizeof(val));
630 memcpy(val, id_supplied, sizeof(val));
635 id_file = xcalloc(1, strlen(devname)+22);
636 sprintf(id_file, "/proc/ide/%s/identify", devname);
637 /* open the file, read in all the info and close it */
641 fl = bb_xfopen(id_file, "r");
643 /* calculate checksum over all bytes */
644 for(ii = GEN_CONFIG; ii<=INTEGRITY; ii++)
646 unsigned int scratch;
647 if(1 != fscanf(fl,"%04x",&scratch))
649 val[ii] = (uint16_t)scratch;
650 chksum += val[ii] + (val[ii] >> 8);
653 /*bb_fclose_nonstdin(fl);*/
654 if(ii < (INTEGRITY+1))
655 bb_error_msg_and_die("Input file wrong format or length");
659 /* check if we recognise the device type */
661 if(!(val[GEN_CONFIG] & NOT_ATA))
664 printf("ATA device, with ");
666 else if(val[GEN_CONFIG]==CFA_SUPPORT_VAL)
670 printf("CompactFlash ATA device, with ");
672 else if(!(val[GEN_CONFIG] & NOT_ATAPI))
675 eqpt = (val[GEN_CONFIG] & EQPT_TYPE) >> SHIFT_EQPT;
676 printf("ATAPI %s, with ", pkt_str[eqpt]);
680 /*"Unknown device type:\n\tbits 15&14 of general configuration word 0 both set to 1.\n"*/
681 bb_error_msg_and_die("Unknown device type");
683 if_printf(!(val[GEN_CONFIG] & MEDIA_REMOVABLE),"non-");
684 printf("removable media\n");
686 /* Info from the specific configuration word says whether or not the
687 * ID command completed correctly. It is only defined, however in
688 * ATA/ATAPI-5 & 6; it is reserved (value theoretically 0) in prior
689 * standards. Since the values allowed for this word are extremely
690 * specific, it should be safe to check it now, even though we don't
691 * know yet what standard this device is using.
693 if((val[CONFIG]==STBY_NID_VAL) || (val[CONFIG]==STBY_ID_VAL) ||
694 (val[CONFIG]==PWRD_NID_VAL) || (val[CONFIG]==PWRD_ID_VAL) )
697 if_printf(((val[CONFIG]==STBY_NID_VAL) || (val[CONFIG]==STBY_ID_VAL)),
698 "powers-up in standby; SET FEATURES subcmd spins-up.\n");
699 if_printf((((val[CONFIG]==STBY_NID_VAL) || (val[CONFIG]==PWRD_NID_VAL)) && (val[GEN_CONFIG] & INCOMPLETE)),
700 "\n\tWARNING: ID response incomplete.\n\tFollowing data may be incorrect.\n\n");
703 /* output the model and serial numbers and the fw revision */
704 xprint_ascii(val, START_MODEL, "Model Number:", LENGTH_MODEL);
705 xprint_ascii(val, START_SERIAL, "Serial Number:", LENGTH_SERIAL);
706 xprint_ascii(val, START_FW_REV, "Firmware Revision:", LENGTH_FW_REV);
707 xprint_ascii(val, START_MEDIA, "Media Serial Num:", LENGTH_MEDIA);
708 xprint_ascii(val, START_MANUF, "Media Manufacturer:", LENGTH_MANUF);
710 /* major & minor standards version number (Note: these words were not
711 * defined until ATA-3 & the CDROM std uses different words.) */
712 printf("Standards:");
715 if(val[MINOR] && (val[MINOR] <= MINOR_MAX))
717 like_std=check_if_min_and_set_val(like_std, 3);
718 std = actual_ver[val[MINOR]];
719 if_printf(std,"\n\tUsed: %s ",minor_str[val[MINOR]]);
722 /* looks like when they up-issue the std, they obsolete one;
723 * thus, only the newest 4 issues need be supported. (That's
724 * what "kk" and "min_std" are all about.) */
725 if(val[MAJOR] && (val[MAJOR] !=NOVAL_1))
727 printf("\n\tSupported: ");
728 jj = val[MAJOR] << 1;
729 kk = like_std >4 ? like_std-4: 0;
730 for(ii = 14; (ii >0)&&(ii>kk); ii--)
738 kk = like_std >4 ? like_std-4: 0;
740 min_std=check_if_maj_and_set_val(min_std, ii);
744 like_std=check_if_min_and_set_val(like_std, 3);
746 /* Figure out what standard the device is using if it hasn't told
747 * us. If we know the std, check if the device is using any of
748 * the words from the next level up. It happens.
750 like_std=check_if_min_and_set_val(like_std, std);
752 if(((std == 5) || (!std && (like_std < 6))) &&
753 ((((val[CMDS_SUPP_1] & VALID) == VALID_VAL) &&
754 (( val[CMDS_SUPP_1] & CMDS_W83) > 0x00ff)) ||
755 ((( val[CMDS_SUPP_2] & VALID) == VALID_VAL) &&
756 ( val[CMDS_SUPP_2] & CMDS_W84) ) ) )
760 else if(((std == 4) || (!std && (like_std < 5))) &&
761 ((((val[INTEGRITY] & SIG) == SIG_VAL) && !chksum) ||
762 (( val[HWRST_RSLT] & VALID) == VALID_VAL) ||
763 ((( val[CMDS_SUPP_1] & VALID) == VALID_VAL) &&
764 (( val[CMDS_SUPP_1] & CMDS_W83) > 0x001f)) ) )
768 else if(((std == 3) || (!std && (like_std < 4))) &&
769 ((((val[CMDS_SUPP_1] & VALID) == VALID_VAL) &&
770 ((( val[CMDS_SUPP_1] & CMDS_W83) > 0x0000) ||
771 (( val[CMDS_SUPP_0] & CMDS_W82) > 0x000f))) ||
772 (( val[CAPAB_1] & VALID) == VALID_VAL) ||
773 (( val[WHATS_VALID] & OK_W88) && val[ULTRA_DMA]) ||
774 (( val[RM_STAT] & RM_STAT_BITS) == RM_STAT_SUP) ) )
778 else if(((std == 2) || (!std && (like_std < 3))) &&
779 ((val[CMDS_SUPP_1] & VALID) == VALID_VAL) )
783 else if(((std == 1) || (!std && (like_std < 2))) &&
784 ((val[CAPAB_0] & (IORDY_SUP | IORDY_OFF)) ||
785 (val[WHATS_VALID] & OK_W64_70)) )
790 printf("\n\tLikely used: %u\n",like_std);
791 else if(like_std > std)
792 printf("& some of %u\n",like_std);
798 /* TBD: do CDROM stuff more thoroughly. For now... */
800 if(val[CDR_MINOR] == 9)
803 printf("\n\tUsed: ATAPI for CD-ROMs, SFF-8020i, r2.5");
805 if(val[CDR_MAJOR] && (val[CDR_MAJOR] !=NOVAL_1))
808 printf("\n\tSupported: CD-ROM ATAPI");
809 jj = val[CDR_MAJOR] >> 1;
810 for(ii = 1; ii <15; ii++)
812 if_printf((jj & 0x0001),"-%u ", ii);
816 if_else_printf((!kk),"\n\tLikely used CD-ROM ATAPI-1\n","\n");
817 /* the cdrom stuff is more like ATA-2 than anything else, so: */
821 if(min_std == 0xffff)
822 min_std = like_std > 4 ? like_std - 3 : 1;
824 printf("Configuration:\n");
825 /* more info from the general configuration word */
826 if((eqpt != CDROM) && (like_std == 1))
828 jj = val[GEN_CONFIG] >> 1;
829 for(ii = 1; ii < 15; ii++)
831 if_printf((jj & 0x0001),"\t%s\n",ata1_cfg_str[ii]);
837 printf("\tDRQ response: "); /* Data Request (DRQ) */
838 switch(val[GEN_CONFIG] & DRQ_RESPONSE_TIME)
844 printf("<=10ms with INTRQ\n");
850 printf("unknown.\n");
853 printf("\tPacket size: ");
854 switch(val[GEN_CONFIG] & PKT_SIZE_SUPPORTED)
856 case PKT_SIZE_12_VAL :
857 printf("12 bytes\n");
859 case PKT_SIZE_16_VAL :
860 printf("16 bytes\n");
869 /* addressing...CHS? See section 6.2 of ATA specs 4 or 5 */
870 ll = (uint32_t)val[LBA_SECTS_MSB] << 16 | val[LBA_SECTS_LSB];
872 if ( (ll > 0x00FBFC10) && (!val[LCYLS]))
873 printf("\tCHS addressing not supported\n");
876 jj = val[WHATS_VALID] & OK_W54_58;
877 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",
878 val[LCYLS],jj?val[LCYLS_CUR]:0, val[LHEADS],jj?val[LHEADS_CUR]:0, val[LSECTS],jj?val[LSECTS_CUR]:0);
880 if_printf(((min_std == 1) && (val[TRACK_BYTES] || val[SECT_BYTES])),
881 "\tbytes/track: %u\tbytes/sector: %u\n",val[TRACK_BYTES], val[SECT_BYTES]);
885 mm = (uint32_t)val[CAPACITY_MSB] << 16 | val[CAPACITY_LSB];
888 /* check Endian of capacity bytes */
889 nn = val[LCYLS_CUR] * val[LHEADS_CUR] * val[LSECTS_CUR];
890 oo = (uint32_t)val[CAPACITY_LSB] << 16 | val[CAPACITY_MSB];
891 if(abs(mm - nn) > abs(oo - nn))
894 printf("\tCHS current addressable sectors:%11u\n",mm);
898 printf("\tLBA user addressable sectors:%11u\n",ll);
899 if( ((val[CMDS_SUPP_1] & VALID) == VALID_VAL) &&
900 (val[CMDS_SUPP_1] & SUPPORT_48_BIT) )
902 bbbig = (__u64)val[LBA_64_MSB] << 48 |
903 (__u64)val[LBA_48_MSB] << 32 |
904 (__u64)val[LBA_MID] << 16 |
906 printf("\tLBA48 user addressable sectors:%11llu\n",bbbig);
910 bbbig = (__u64)(ll>mm ? ll : mm); /* # 512 byte blocks */
911 printf("\tdevice size with M = 1024*1024: %11llu MBytes\n",bbbig>>11);
912 bbbig = (bbbig<<9)/1000000;
913 printf("\tdevice size with M = 1000*1000: %11llu MBytes ",bbbig);
915 if_else_printf((bbbig > 1000),"(%llu GB)\n","\n",bbbig/1000);
919 /* hw support of commands (capabilities) */
920 printf("Capabilities:\n\t");
925 if_printf((val[CAPAB_0] & CMD_Q_SUP),"Cmd queuing, ");
927 if_printf((val[CAPAB_0] & OVLP_SUP),"Cmd overlap, ");
929 if_printf((val[CAPAB_0] & LBA_SUP),"LBA, ");
934 if_printf((!(val[CAPAB_0] & IORDY_SUP)),"(may be)");
935 if_else_printf((val[CAPAB_0] & IORDY_OFF),"(can","(cannot");
936 printf(" be disabled)\n");
939 printf("no IORDY\n");
941 if((like_std == 1) && val[BUF_TYPE])
944 printf("\tBuffer type: %04x: ",kk);
945 if_else_printf((kk < 2),"single port, single-sector","dual port, multi-sector");
946 if_printf((kk > 2)," with read caching ability");
950 if((min_std == 1) && (val[BUFFER__SIZE] && (val[BUFFER__SIZE] != NOVAL_1)))
952 printf("\tBuffer size: %.1fkB",(float)val[BUFFER__SIZE]/2);
955 if((min_std < 4) && (val[RW_LONG]))
957 printf("\tbytes avail on r/w long: %u",val[RW_LONG]);
960 if((eqpt != CDROM) && (like_std > 3))
962 printf("\tQueue depth: %u",(val[QUEUE_DEPTH] & DEPTH_BITS)+1);
970 printf("\tCan%s perform double-word IO\n",(!val[DWORD_IO]) ?"not":"");
973 printf("\tStandby timer values: spec'd by ");
974 if_else_printf((val[CAPAB_0] & STD_STBY),"Standard","Vendor");
975 if((like_std > 3) && ((val[CAPAB_1] & VALID) == VALID_VAL))
976 printf(", %s device specific minimum\n",(val[CAPAB_1] & MIN_STANDBY_TIMER)?"with":"no");
980 printf("\tR/W multiple sector transfer: ");
981 if((like_std < 3) && !(val[SECTOR_XFER_MAX] & SECTOR_XFER))
982 printf("not supported\n");
985 printf("Max = %u\tCurrent = ",val[SECTOR_XFER_MAX] & SECTOR_XFER);
986 if_else_printf((val[SECTOR_XFER_CUR] & MULTIPLE_SETTING_VALID),
987 "%u\n","?\n",val[SECTOR_XFER_CUR] & SECTOR_XFER);
989 if((like_std > 3) && (val[CMDS_SUPP_1] & 0x0008))
991 /* We print out elsewhere whether the APM feature is enabled or
992 not. If it's not enabled, let's not repeat the info; just print
994 printf("\tAdvancedPM level: ");
995 if ( (val[ADV_PWR] & 0xFF00) == 0x4000 )
997 uint8_t apm_level = val[ADV_PWR] & 0x00FF;
998 printf("%u (0x%x)\n", apm_level, apm_level);
1001 printf("unknown setting (0x%04x)\n", val[ADV_PWR]);
1005 if_printf(val[ACOUSTIC],"\tRecommended acoustic management value: %u, current value: %u\n",
1006 (val[ACOUSTIC] >> 8) & 0x00ff, val[ACOUSTIC] & 0x00ff);
1013 if_printf((val[CAPAB_0] & SWRST_REQ),"\tATA sw reset required\n");
1015 if(val[PKT_REL] || val[SVC_NBSY])
1017 printf("\tOverlap support:");
1018 if_printf(val[PKT_REL]," %uus to release bus.",val[PKT_REL]);
1019 if_printf(val[SVC_NBSY]," %uus to clear BSY after SERVICE cmd.",val[SVC_NBSY]);
1024 /* DMA stuff. Check that only one DMA mode is selected. */
1026 if(!(val[CAPAB_0] & DMA_SUP))
1027 printf("not supported\n");
1030 if_printf((val[DMA_MODE] && !val[SINGLE_DMA] && !val[MULTI_DMA]),
1031 " sdma%u\n",(val[DMA_MODE] & MODE) >> 8);
1034 jj = val[SINGLE_DMA];
1035 kk = val[SINGLE_DMA] >> 8;
1036 err_dma += mode_loop(jj,kk,'s',&have_mode);
1040 jj = val[MULTI_DMA];
1041 kk = val[MULTI_DMA] >> 8;
1042 err_dma += mode_loop(jj,kk,'m',&have_mode);
1044 if((val[WHATS_VALID] & OK_W88) && val[ULTRA_DMA])
1046 jj = val[ULTRA_DMA];
1047 kk = val[ULTRA_DMA] >> 8;
1048 err_dma += mode_loop(jj,kk,'u',&have_mode);
1050 if_printf((err_dma || !have_mode),"(?)");
1053 if_printf(((dev == ATAPI_DEV) && (eqpt != CDROM) && (val[CAPAB_0] & DMA_IL_SUP)),
1054 "\t Interleaved DMA support\n");
1056 if((val[WHATS_VALID] & OK_W64_70) &&
1057 (val[DMA_TIME_MIN] || val[DMA_TIME_NORM]))
1059 printf("\t Cycle time:");
1060 if_printf(val[DMA_TIME_MIN]," min=%uns",val[DMA_TIME_MIN]);
1061 if_printf(val[DMA_TIME_NORM]," recommended=%uns",val[DMA_TIME_NORM]);
1066 /* Programmed IO stuff */
1068 /* If a drive supports mode n (e.g. 3), it also supports all modes less
1069 * than n (e.g. 3, 2, 1 and 0). Print all the modes. */
1070 if((val[WHATS_VALID] & OK_W64_70) && (val[ADV_PIO_MODES] & PIO_SUP))
1072 jj = ((val[ADV_PIO_MODES] & PIO_SUP) << 3) | 0x0007;
1073 for(ii = 0; ii <= PIO_MODE_MAX ; ii++)
1075 if_printf((jj & 0x0001),"pio%d ",ii);
1080 else if(((min_std < 5) || (eqpt == CDROM)) && (val[PIO_MODE] & MODE) )
1082 for(ii = 0; ii <= val[PIO_MODE]>>8; ii++)
1083 printf("pio%d ",ii);
1087 printf("unknown\n");
1089 if(val[WHATS_VALID] & OK_W64_70)
1091 if(val[PIO_NO_FLOW] || val[PIO_FLOW])
1093 printf("\t Cycle time:");
1094 if_printf(val[PIO_NO_FLOW]," no flow control=%uns", val[PIO_NO_FLOW]);
1095 if_printf(val[PIO_FLOW]," IORDY flow control=%uns", val[PIO_FLOW]);
1100 if((val[CMDS_SUPP_1] & VALID) == VALID_VAL)
1102 printf("Commands/features:\n\tEnabled\tSupported:\n");
1103 jj = val[CMDS_SUPP_0];
1104 kk = val[CMDS_EN_0];
1105 for(ii = 0; ii < NUM_CMD_FEAT_STR; ii++)
1107 if((jj & 0x8000) && (*cmd_feat_str[ii] != '\0'))
1109 if_else_printf((kk & 0x8000),"\t *","\t");
1110 printf("\t%s\n",cmd_feat_str[ii]);
1115 jj = val[CMDS_SUPP_0+1+(ii/16)];
1116 kk = val[CMDS_EN_0+1+(ii/16)];
1120 if((val[CMDS_SUPP_2] & VALID) != VALID_VAL)
1125 if_printf(((val[RM_STAT] & RM_STAT_BITS) == RM_STAT_SUP),
1126 "\tRemovable Media Status Notification feature set supported\n");
1130 if((eqpt != CDROM) && (like_std > 3) &&
1131 (val[SECU_STATUS] || val[ERASE_TIME] || val[ENH_ERASE_TIME]))
1133 printf("Security: \n");
1134 if_printf((val[PSWD_CODE] && (val[PSWD_CODE] != NOVAL_1)),
1135 "\tMaster password revision code = %u\n",val[PSWD_CODE]);
1136 jj = val[SECU_STATUS];
1139 for(ii = 0; ii < NUM_SECU_STR; ii++)
1141 if_else_printf((!(jj & 0x0001)),"\tnot\t%s\n", "\t\t%s\n", secu_str[ii]);
1144 if(val[SECU_STATUS] & SECU_ENABLED)
1146 printf("\tSecurity level ");
1147 if_else_printf((val[SECU_STATUS] & SECU_LEVEL),"maximum\n","high\n");
1150 jj = val[ERASE_TIME] & ERASE_BITS;
1151 kk = val[ENH_ERASE_TIME] & ERASE_BITS;
1155 if_printf(jj,"%umin for SECURITY ERASE UNIT. ", jj==ERASE_BITS ? 508 : jj<<1);
1156 if_printf(kk,"%umin for ENHANCED SECURITY ERASE UNIT.", kk==ERASE_BITS ? 508 : kk<<1);
1162 if((val[HWRST_RSLT] & VALID) == VALID_VAL)
1164 printf("HW reset results:\n");
1165 if_else_printf((val[HWRST_RSLT] & CBLID),"\tCBLID- above Vih\n","\tCBLID- below Vih\n");
1167 if(val[HWRST_RSLT] & RST0)
1169 printf("\tDevice num = 0");
1170 jj = val[HWRST_RSLT];
1174 printf("\tDevice num = 1");
1175 jj = val[HWRST_RSLT] >> 8;
1178 if((jj & DEV_DET) == JUMPER_VAL)
1179 printf(" determined by the jumper");
1180 else if((jj & DEV_DET) == CSEL_VAL)
1181 printf(" determined by CSEL");
1185 /* more stuff from std 5 */
1186 if((like_std > 4) && (eqpt != CDROM))
1188 if(val[CFA_PWR_MODE] & VALID_W160)
1190 printf("CFA power mode 1:\n\t");
1191 if_else_printf((val[CFA_PWR_MODE] & PWR_MODE_OFF),"disabled","enabled");
1193 if_printf((val[CFA_PWR_MODE] & PWR_MODE_REQ)," and required by some commands");
1196 if_printf((val[CFA_PWR_MODE] & MAX_AMPS),"\tMaximum current = %uma\n",val[CFA_PWR_MODE] & MAX_AMPS);
1198 if((val[INTEGRITY] & SIG) == SIG_VAL)
1200 printf("Checksum: ");
1201 if_printf(chksum,"in");
1202 printf("correct\n");
1210 static int verbose, get_identity, get_geom, noisy = 1, quiet;
1211 static int flagcount, do_flush, is_scsi_hd, is_xt_hd;
1212 static int do_ctimings, do_timings;
1214 static unsigned long set_readahead, get_readahead, Xreadahead;
1215 static unsigned long set_readonly, get_readonly, readonly;
1216 static unsigned long set_unmask, get_unmask, unmask;
1217 static unsigned long set_mult, get_mult, mult;
1218 #ifdef CONFIG_FEATURE_HDPARM_HDIO_GETSET_DMA
1219 static unsigned long set_dma, get_dma, dma;
1221 static unsigned long set_dma_q, get_dma_q, dma_q;
1222 static unsigned long set_nowerr, get_nowerr, nowerr;
1223 static unsigned long set_keep, get_keep, keep;
1224 static unsigned long set_io32bit, get_io32bit, io32bit;
1225 static unsigned long set_piomode, noisy_piomode;
1227 #ifdef HDIO_DRIVE_CMD
1228 static unsigned long set_dkeep, get_dkeep, dkeep;
1229 static unsigned long set_standby, get_standby, standby_requested;
1230 static unsigned long set_xfermode, get_xfermode;
1231 static int xfermode_requested;
1232 static unsigned long set_lookahead, get_lookahead, lookahead;
1233 static unsigned long set_prefetch, get_prefetch, prefetch;
1234 static unsigned long set_defects, get_defects, defects;
1235 static unsigned long set_wcache, get_wcache, wcache;
1236 static unsigned long set_doorlock, get_doorlock, doorlock;
1237 static unsigned long set_seagate, get_seagate;
1238 static unsigned long set_standbynow, get_standbynow;
1239 static unsigned long set_sleepnow, get_sleepnow;
1240 static unsigned long get_powermode;
1241 static unsigned long set_apmmode, get_apmmode, apmmode;
1243 #ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
1244 static int get_IDentity;
1246 #ifdef CONFIG_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF
1247 static int unregister_hwif;
1250 #ifdef CONFIG_FEATURE_HDPARM_HDIO_SCAN_HWIF
1251 static int scan_hwif;
1252 static int hwif_data;
1253 static int hwif_ctrl;
1254 static int hwif_irq;
1256 #ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
1257 static int set_busstate, get_busstate, busstate;
1259 static int reread_partn;
1261 #ifdef CONFIG_FEATURE_HDPARM_HDIO_DRIVE_RESET
1262 static int perform_reset;
1263 #endif /* CONFIG_FEATURE_HDPARM_HDIO_DRIVE_RESET */
1264 #ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
1265 static int perform_tristate, tristate;
1266 #endif /* CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF */
1268 // Historically, if there was no HDIO_OBSOLETE_IDENTITY, then
1269 // then the HDIO_GET_IDENTITY only returned 142 bytes.
1270 // Otherwise, HDIO_OBSOLETE_IDENTITY returns 142 bytes,
1271 // and HDIO_GET_IDENTITY returns 512 bytes. But the latest
1272 // 2.5.xx kernels no longer define HDIO_OBSOLETE_IDENTITY
1273 // (which they should, but they should just return -EINVAL).
1275 // So.. we must now assume that HDIO_GET_IDENTITY returns 512 bytes.
1276 // On a really old system, it will not, and we will be confused.
1279 #ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
1280 static const char * const cfg_str[] =
1281 { "", " HardSect", " SoftSect", " NotMFM",
1282 " HdSw>15uSec", " SpinMotCtl", " Fixed", " Removeable",
1283 " DTR<=5Mbs", " DTR>5Mbs", " DTR>10Mbs", " RotSpdTol>.5%",
1284 " dStbOff", " TrkOff", " FmtGapReq", " nonMagnetic"
1287 static const char * const BuffType[] = {"unknown", "1Sect", "DualPort", "DualPortCache"};
1289 static void dump_identity (const struct hd_driveid *id)
1292 char pmodes[64], dmodes[128], umodes[128];
1293 const unsigned short int *id_regs= (const void*) id;
1294 unsigned long capacity;
1296 pmodes[0] = dmodes[0] = umodes[0] = '\0';
1298 printf("\n Model=%.40s, FwRev=%.8s, SerialNo=%.20s\n Config={",
1299 id->model, id->fw_rev, id->serial_no);
1300 for (i=0; i<=15; i++)
1301 if_printf((id->config & (1<<i)),"%s", cfg_str[i]);
1303 printf(" }\n RawCHS=%u/%u/%u, TrkSize=%u, SectSize=%u, ECCbytes=%u\n",
1304 id->cyls, id->heads, id->sectors, id->track_bytes,
1305 id->sector_bytes, id->ecc_bytes);
1307 if (id->buf_type > 3)
1308 printf("%s%u", " BuffType=", id->buf_type);
1310 printf("%s%s", " BuffType=", BuffType[id->buf_type]);
1312 printf(", BuffSize=%ukB, MaxMultSect=%u", id->buf_size/2, id->max_multsect);
1313 if (id->max_multsect)
1315 printf(", MultSect=");
1316 if (!(id->multsect_valid&1))
1317 printf("?%u?", id->multsect);
1318 else if (id->multsect)
1319 printf("%u", id->multsect);
1326 strcat(pmodes, "pio0 ");
1327 if_strcat((id->tPIO >= 1), pmodes, "pio1 ");
1328 if_strcat((id->tPIO >= 2), pmodes, "pio2 ");
1331 if_printf((!(id->field_valid&1))," (maybe):");
1332 #if __BYTE_ORDER == __BIG_ENDIAN
1333 capacity = (id->cur_capacity0 << 16) | id->cur_capacity1;
1335 capacity = (id->cur_capacity1 << 16) | id->cur_capacity0;
1337 printf(" CurCHS=%u/%u/%u, CurSects=%lu, LBA=%s",id->cur_cyls, id->cur_heads,
1338 id->cur_sectors, capacity ,
1339 ((id->capability&2)==0)?"no":"yes");
1341 if_printf((id->capability&2),", LBAsects=%u", id->lba_capacity);
1343 if (id->capability&1)
1345 if (id->dma_1word | id->dma_mword)
1347 if_strcat((id->dma_1word & 0x100), dmodes, "*");
1348 if_strcat((id->dma_1word & 1), dmodes, "sdma0 ");
1349 if_strcat((id->dma_1word & 0x200), dmodes, "*");
1350 if_strcat((id->dma_1word & 2), dmodes, "sdma1 ");
1351 if_strcat((id->dma_1word & 0x400), dmodes, "*");
1352 if_strcat((id->dma_1word & 4), dmodes, "sdma2 ");
1353 if_strcat((id->dma_1word & 0xf800), dmodes, "*");
1354 if_strcat((id->dma_1word & 0xf8), dmodes, "sdma? ");
1355 if_strcat((id->dma_mword & 0x100), dmodes, "*");
1356 if_strcat((id->dma_mword & 1), dmodes, "mdma0 ");
1357 if_strcat((id->dma_mword & 0x200), dmodes, "*");
1358 if_strcat((id->dma_mword & 2), dmodes, "mdma1 ");
1359 if_strcat((id->dma_mword & 0x400), dmodes, "*");
1360 if_strcat((id->dma_mword & 4), dmodes, "mdma2 ");
1361 if_strcat((id->dma_mword & 0xf800), dmodes, "*");
1362 if_strcat((id->dma_mword & 0xf8), dmodes, "mdma? ");
1365 printf("\n IORDY=");
1366 if (id->capability&8)
1367 printf((id->capability&4) ? "on/off" : "yes");
1371 if ((id->capability&8) || (id->field_valid&2))
1373 if (id->field_valid&2)
1375 printf(", tPIO={min:%u,w/IORDY:%u}", id->eide_pio, id->eide_pio_iordy);
1376 if_strcat((id->eide_pio_modes & 1), pmodes, "pio3 ");
1377 if_strcat((id->eide_pio_modes & 2), pmodes, "pio4 ");
1378 if_strcat((id->eide_pio_modes &~3), pmodes, "pio? ");
1380 if (id->field_valid&4)
1382 if_strcat((id->dma_ultra & 0x100),umodes,"*");
1383 if_strcat((id->dma_ultra & 0x001),umodes,"udma0 ");
1384 if_strcat((id->dma_ultra & 0x200),umodes,"*");
1385 if_strcat((id->dma_ultra & 0x002),umodes,"udma1 ");
1386 if_strcat((id->dma_ultra & 0x400),umodes,"*");
1387 if_strcat((id->dma_ultra & 0x004),umodes,"udma2 ");
1388 #ifdef __NEW_HD_DRIVE_ID
1389 if (id->hw_config & 0x2000)
1391 #else /* !__NEW_HD_DRIVE_ID */
1392 if (id->word93 & 0x2000)
1394 #endif /* __NEW_HD_DRIVE_ID */
1395 if_strcat((id->dma_ultra & 0x0800),umodes,"*");
1396 if_strcat((id->dma_ultra & 0x0008),umodes,"udma3 ");
1397 if_strcat((id->dma_ultra & 0x1000),umodes,"*");
1398 if_strcat((id->dma_ultra & 0x0010),umodes,"udma4 ");
1399 if_strcat((id->dma_ultra & 0x2000),umodes,"*");
1400 if_strcat((id->dma_ultra & 0x0020),umodes,"udma5 ");
1401 if_strcat((id->dma_ultra & 0x4000),umodes,"*");
1402 if_strcat((id->dma_ultra & 0x0040),umodes,"udma6 ");
1403 if_strcat((id->dma_ultra & 0x8000),umodes,"*");
1404 if_strcat((id->dma_ultra & 0x0080),umodes,"udma7 ");
1408 if_printf(((id->capability&1) && (id->field_valid&2)),
1409 ", tDMA={min:%u,rec:%u}", id->eide_dma_min, id->eide_dma_time);
1410 printf("\n PIO modes: %s", pmodes);
1411 if_printf((*dmodes),"\n DMA modes: %s", dmodes);
1412 if_printf((*umodes),"\n UDMA modes: %s", umodes);
1414 printf("\n AdvancedPM=%s",((id_regs[83]&8)==0)?"no":"yes");
1415 if (id_regs[83] & 8)
1417 if (!(id_regs[86]&8))
1418 printf(": disabled (255)");
1419 else if ((id_regs[91]&0xFF00)!=0x4000)
1420 printf(": unknown setting");
1422 printf(": mode=0x%02X (%u)",id_regs[91]&0xFF,id_regs[91]&0xFF);
1424 if_printf( (id_regs[82]&0x20)," WriteCache=%s",(id_regs[85]&0x20) ? "enabled" : "disabled");
1425 #ifdef __NEW_HD_DRIVE_ID
1426 if ((id->minor_rev_num && id->minor_rev_num <= 31) || (id->major_rev_num && id->minor_rev_num <= 31))
1428 printf("\n Drive conforms to: ");
1429 if_else_printf((id->minor_rev_num <= 31),"%s: ","unknown: ", minor_str[id->minor_rev_num]);
1430 if (id->major_rev_num < 31)
1432 for (i=0; i <= 15; i++)
1433 if_printf((id->major_rev_num & (1<<i))," %u", i);
1436 #endif /* __NEW_HD_DRIVE_ID */
1437 printf("\n\n * signifies the current active mode\n\n");
1441 static void flush_buffer_cache (int fd)
1443 fsync (fd); /* flush buffers */
1444 bb_ioctl(fd, BLKFLSBUF, NULL,"BLKFLSBUF" ) ;/* do it again, big time */
1445 #ifdef HDIO_DRIVE_CMD
1447 if (ioctl(fd, HDIO_DRIVE_CMD, NULL) && errno != EINVAL) /* await completion */
1448 bb_perror_msg("HDIO_DRIVE_CMD");
1452 static int seek_to_zero (int fd)
1454 if (lseek(fd, (off_t) 0, SEEK_SET))
1459 static int read_big_block (int fd, char *buf)
1464 if ((rc = read(fd, buf, TIMING_BUF_BYTES)) != TIMING_BUF_BYTES)
1472 string = "read() hit EOF - device too small";
1475 string = "read(%u) returned %u bytes";
1477 bb_error_msg(string, TIMING_BUF_BYTES, rc);
1481 /* access all sectors of buf to ensure the read fully completed */
1482 for (i = 0; i < TIMING_BUF_BYTES; i += 512)
1487 static double correction;
1489 static void do_time (int flag, int fd)
1492 flag = 1 time_device
1498 struct itimerval e1, e2;
1500 int timing_MB = TIMING_MB;
1502 if ((shmid = shmget(IPC_PRIVATE, TIMING_BUF_BYTES, 0600)) == -1)
1504 bb_error_msg (bb_msg_shared_mem,"allocate"); /*"could not allocate sharedmem buf"*/
1507 if (shmctl(shmid, SHM_LOCK, NULL) == -1)
1509 bb_error_msg (bb_msg_shared_mem,"lock"); /*"could not lock sharedmem buf"*/
1510 (void) shmctl(shmid, IPC_RMID, NULL);
1513 if ((buf = shmat(shmid, (char *) 0, 0)) == (char *) -1)
1515 bb_error_msg (bb_msg_shared_mem,"attach"); /*"could not attach sharedmem buf"*/
1516 (void) shmctl(shmid, IPC_RMID, NULL);
1519 if (shmctl(shmid, IPC_RMID, NULL) == -1)
1520 bb_error_msg ("shmctl(,IPC_RMID,)");
1522 /* Clear out the device request queues & give them time to complete */
1525 if(flag == 0) /* Time cache */
1527 /* Calculate a correction factor for the basic
1528 * overhead of doing a read() from the buffer cache.
1529 * To do this, we read the data once to "cache it" and
1530 * to force full preallocation of our timing buffer,
1531 * and then we re-read it 10 times while timing it.
1533 * getitimer() is used rather than gettimeofday() because
1534 * it is much more consistent (on my machine, at least).
1536 setitimer(ITIMER_REAL, &(struct itimerval){{1000,0},{1000,0}}, NULL);
1537 if (seek_to_zero (fd))
1539 if (read_big_block (fd, buf))
1541 printf(" Timing buffer-cache reads: ");
1544 /* Clear out the device request queues & give them time to complete */
1547 /* Time re-reading from the buffer-cache */
1548 getitimer(ITIMER_REAL, &e1);
1549 for (i = (BUFCACHE_FACTOR * TIMING_BUF_COUNT) ; i > 0; --i)
1551 if (seek_to_zero (fd))
1553 if (read_big_block (fd, buf))
1556 getitimer(ITIMER_REAL, &e2);
1557 correction = (e1.it_value.tv_sec - e2.it_value.tv_sec) + ((e1.it_value.tv_usec - e2.it_value.tv_usec) / 1000000.0);
1559 /* Now remove the lseek() from the correction factor */
1560 getitimer(ITIMER_REAL, &e1);
1561 for (i = (BUFCACHE_FACTOR * TIMING_BUF_COUNT) ; i > 0; --i)
1563 if (seek_to_zero (fd))
1566 getitimer(ITIMER_REAL, &e2);
1567 correction -= (e1.it_value.tv_sec - e2.it_value.tv_sec)
1568 + ((e1.it_value.tv_usec - e2.it_value.tv_usec) / 1000000.0);
1570 if ((BUFCACHE_FACTOR * timing_MB) >= correction) /* more than 1MB/s */
1571 printf("%2d MB in %5.2f seconds =%6.2f MB/sec\n",
1572 (BUFCACHE_FACTOR * timing_MB), correction,
1573 (BUFCACHE_FACTOR * timing_MB) / correction);
1575 printf("%2d MB in %5.2f seconds =%6.2f kB/sec\n",
1576 (BUFCACHE_FACTOR * timing_MB), correction,
1577 (BUFCACHE_FACTOR * timing_MB) / correction * 1024);
1578 correction /= BUFCACHE_FACTOR;
1580 flush_buffer_cache(fd);
1583 else /* Time device */
1585 printf(" Timing buffered disk reads: ");
1589 * getitimer() is used rather than gettimeofday() because
1590 * it is much more consistent (on my machine, at least).
1592 setitimer(ITIMER_REAL, &(struct itimerval){{1000,0},{1000,0}}, NULL);
1594 /* Now do the timings for real */
1595 getitimer(ITIMER_REAL, &e1);
1596 for (i = TIMING_BUF_COUNT; i > 0; --i)
1598 if (read_big_block (fd, buf))
1601 getitimer(ITIMER_REAL, &e2);
1603 elapsed = (e1.it_value.tv_sec - e2.it_value.tv_sec) + ((e1.it_value.tv_usec - e2.it_value.tv_usec) / 1000000.0);
1605 if (timing_MB >= elapsed) /* more than 1MB/s */
1606 printf("%2d MB in %5.2f seconds =%6.2f MB/sec\n",timing_MB, elapsed, timing_MB / elapsed);
1608 printf("%2d MB in %5.2f seconds =%6.2f kB/sec\n",timing_MB, elapsed, timing_MB / elapsed * 1024);
1610 /*"Hmm.. suspicious results: probably not enough free memory for a proper test.");*/
1611 if (elapsed <= (correction * 2))
1612 bb_error_msg(bb_msg_memory_exhausted);
1614 #if 0 /* the "estimate" is just plain wrong for many systems.. */
1615 else if (correction != 0.0) {
1616 printf(" Estimating raw driver speed: ");
1617 elapsed -= correction;
1618 if (timing_MB >= elapsed) /* more than 1MB/s */
1619 printf("%2d MB in %5.2f seconds =%6.2f MB/sec\n",
1620 timing_MB, elapsed, timing_MB / elapsed);
1622 printf("%2d MB in %5.2f seconds =%6.2f kB/sec\n",
1623 timing_MB, elapsed, timing_MB / elapsed * 1024);
1628 if (-1 == shmdt(buf))
1629 bb_error_msg (bb_msg_shared_mem,"detach"); /*"could not detach sharedmem buf"*/
1633 static void no_scsi (void)
1635 /*" operation not supported on SCSI disks"*/
1637 bb_error_msg_and_die(bb_msg_op_not_supp,"SCSI");
1640 static void no_xt (void)
1643 bb_error_msg_and_die(bb_msg_op_not_supp,"XT");
1646 static void on_off (unsigned int value)
1648 printf(value ? " (on)\n" : " (off)\n");
1651 #ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
1652 static void bus_state_value (unsigned int value)
1662 string = " (off)\n";
1664 case BUSSTATE_TRISTATE:
1665 string = " (tristate)\n";
1668 string = " (unknown: %d)\n";
1671 printf(string, value);
1675 #ifdef HDIO_DRIVE_CMD
1676 static void interpret_standby (unsigned int standby)
1685 printf("21 minutes");
1688 printf("vendor-specific");
1691 printf("?reserved");
1694 printf("21 minutes + 15 seconds");
1699 unsigned int secs = standby * 5;
1700 unsigned int mins = secs / 60;
1702 if_printf(mins,"%u minutes", mins);
1703 if_printf((mins && secs)," + ");
1704 if_printf(secs,"%u seconds", secs);
1706 else if (standby <= 251)
1708 unsigned int mins = (standby - 240) * 30;
1709 unsigned int hrs = mins / 60;
1711 if_printf(hrs,"%u hours", hrs);
1712 if_printf((hrs && mins)," + ");
1713 if_printf(mins,"%u minutes", mins);
1716 printf("illegal value");
1722 struct xfermode_entry {
1727 static const struct xfermode_entry xfermode_table[] = {
1763 static int translate_xfermode(char * name)
1765 const struct xfermode_entry *tmp;
1770 for (tmp = xfermode_table; tmp->name != NULL; ++tmp)
1772 if (!strcmp(name, tmp->name))
1777 val = strtol(name, &endptr, 10);
1778 if (*endptr == '\0')
1784 static void interpret_xfermode (unsigned int xfermode)
1789 printf("default PIO mode");
1792 printf("default PIO mode, disable IORDY");
1802 printf("PIO flow control mode%u", xfermode-8);
1812 printf("singleword DMA mode%u", xfermode-16);
1822 printf("multiword DMA mode%u", xfermode-32);
1832 printf("UltraDMA mode%u", xfermode-64);
1835 printf("unknown, probably not valid");
1840 #endif /* HDIO_DRIVE_CMD */
1843 #define VXVM_MAJOR 199
1847 #define CCISS_MAJOR 104
1850 static void process_dev (char *devname)
1853 static long parm, multcount;
1854 struct stat stat_buf;
1855 #ifndef HDIO_DRIVE_CMD
1856 int force_operation = 0;
1858 xstat(devname,&stat_buf);
1860 switch(major(stat_buf.st_rdev))
1862 #ifdef SCSI_DISK0_MAJOR
1863 case (SCSI_DISK0_MAJOR):
1864 case (SCSI_DISK1_MAJOR):
1865 case (SCSI_DISK2_MAJOR):
1866 case (SCSI_DISK3_MAJOR):
1867 case (SCSI_DISK4_MAJOR):
1868 case (SCSI_DISK5_MAJOR):
1869 case (SCSI_DISK6_MAJOR):
1870 case (SCSI_DISK7_MAJOR):
1872 case (SCSI_DISK_MAJOR):
1878 #ifdef LVM_BLK_MAJOR
1879 case (LVM_BLK_MAJOR):
1884 #ifdef XT_DISK_MAJOR
1885 case (XT_DISK_MAJOR):
1915 break; /* do nothing */
1917 bb_error_msg_and_die("%s not supported",devname);
1920 fd = bb_xopen (devname, O_RDONLY|O_NONBLOCK);
1921 if_printf( (!quiet),"\n%s:\n", devname);
1925 if_printf(get_readahead," setting fs readahead to %ld\n", Xreadahead);
1926 bb_ioctl(fd, BLKRASET,(int *)Xreadahead,"BLKRASET");
1928 #ifdef CONFIG_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF
1929 if (unregister_hwif)
1932 printf(" attempting to unregister hwif#%u\n", hwif);
1933 bb_ioctl(fd, HDIO_UNREGISTER_HWIF,(int *)(unsigned long)hwif,"HDIO_UNREGISTER_HWIF");
1936 #ifdef CONFIG_FEATURE_HDPARM_HDIO_SCAN_HWIF
1941 printf(" attempting to scan hwif (0x%x, 0x%x, %u)\n", hwif_data, hwif_ctrl, hwif_irq);
1942 args[0] = hwif_data;
1943 args[1] = hwif_ctrl;
1945 bb_ioctl(fd, HDIO_SCAN_HWIF, args, "HDIO_SCAN_HWIF");
1955 printf(" attempting to ");
1957 printf("auto-tune PIO mode\n");
1958 else if (piomode < 100)
1959 printf("set PIO mode to %d\n", piomode);
1960 else if (piomode < 200)
1961 printf("set MDMA mode to %d\n", (piomode-100));
1963 printf("set UDMA mode to %d\n", (piomode-200));
1965 bb_ioctl(fd, HDIO_SET_PIO_MODE, (int *)(unsigned long)piomode, "HDIO_SET_PIO_MODE");
1971 if_printf(get_io32bit," setting 32-bit IO_support flag to %ld\n", io32bit);
1972 bb_ioctl(fd, HDIO_SET_32BIT, (int *)io32bit, "HDIO_SET_32BIT");
1978 if_printf(get_mult, " setting multcount to %ld\n", mult);
1979 if(ioctl(fd, HDIO_SET_MULTCOUNT, mult))
1980 bb_perror_msg("HDIO_SET_MULTCOUNT");
1981 #ifndef HDIO_DRIVE_CMD
1983 force_operation = 1;
1988 if_printf_on_off(get_readonly," setting readonly to %ld", readonly);
1989 bb_ioctl(fd, BLKROSET, &readonly, "BLKROSET");
1995 if_printf_on_off(get_unmask," setting unmaskirq to %ld", unmask);
1996 bb_ioctl(fd, HDIO_SET_UNMASKINTR, (int *)unmask, "HDIO_SET_UNMASKINTR");
1998 #ifdef CONFIG_FEATURE_HDPARM_HDIO_GETSET_DMA
2002 if_printf_on_off(get_dma," setting using_dma to %ld", dma);
2003 bb_ioctl(fd, HDIO_SET_DMA, (int *)dma, "HDIO_SET_DMA");
2005 #endif /* CONFIG_FEATURE_HDPARM_HDIO_GETSET_DMA */
2009 if_printf_on_off(get_dma_q," setting DMA queue_depth to %ld", dma_q);
2010 bb_ioctl(fd, HDIO_SET_QDMA, (int *)dma_q, "HDIO_SET_QDMA");
2016 if_printf_on_off(get_nowerr," setting nowerr to %ld", nowerr);
2017 bb_ioctl(fd, HDIO_SET_NOWERR, (int *)nowerr,"HDIO_SET_NOWERR");
2023 if_printf_on_off(get_keep," setting keep_settings to %ld", keep);
2024 bb_ioctl(fd, HDIO_SET_KEEPSETTINGS, (int *)keep,"HDIO_SET_KEEPSETTINGS");
2026 #ifdef HDIO_DRIVE_CMD
2029 unsigned char args[4] = {0,0,0,0};
2033 args[0] = doorlock ? WIN_DOORLOCK : WIN_DOORUNLOCK;
2034 if_printf_on_off(get_doorlock," setting drive doorlock to %ld", doorlock);
2035 bb_ioctl(fd, HDIO_DRIVE_CMD, &args,"HDIO_DRIVE_CMD(doorlock)");
2039 /* lock/unlock the drive's "feature" settings */
2040 unsigned char args[4] = {WIN_SETFEATURES,0,0,0};
2044 if_printf_on_off(get_dkeep," setting drive keep features to %ld", dkeep);
2045 args[2] = dkeep ? 0x66 : 0xcc;
2046 bb_ioctl(fd, HDIO_DRIVE_CMD, &args,"HDIO_DRIVE_CMD(keepsettings)");
2050 unsigned char args[4] = {WIN_SETFEATURES,0,0x04,0};
2052 args[2] = defects ? 0x04 : 0x84;
2053 if_printf(get_defects," setting drive defect-mgmt to %ld\n", defects);
2054 bb_ioctl(fd, HDIO_DRIVE_CMD, &args,"HDIO_DRIVE_CMD(defectmgmt)");
2058 unsigned char args[4] = {WIN_SETFEATURES,0,0xab,0};
2063 if_printf(get_prefetch," setting drive prefetch to %ld\n", prefetch);
2064 bb_ioctl(fd, HDIO_DRIVE_CMD, &args, "HDIO_DRIVE_CMD(setprefetch)");
2068 unsigned char args[4] = {WIN_SETFEATURES,0,3,0};
2072 args[1] = xfermode_requested;
2075 printf(" setting xfermode to %d", xfermode_requested);
2076 interpret_xfermode(xfermode_requested);
2078 bb_ioctl(fd, HDIO_DRIVE_CMD, &args,"HDIO_DRIVE_CMD(setxfermode)");
2082 unsigned char args[4] = {WIN_SETFEATURES,0,0,0};
2086 args[2] = lookahead ? 0xaa : 0x55;
2087 if_printf_on_off(get_lookahead," setting drive read-lookahead to %ld", lookahead);
2088 bb_ioctl(fd, HDIO_DRIVE_CMD, &args, "HDIO_DRIVE_CMD(setreadahead)");
2092 unsigned char args[4] = {WIN_SETFEATURES,0,0,0};
2094 apmmode=check_if_min_and_set_val(apmmode,1);
2095 apmmode=check_if_maj_and_set_val(apmmode,255);
2096 if_printf(get_apmmode," setting APM level to");
2099 /* disable Advanced Power Management */
2100 args[2] = 0x85; /* feature register */
2101 if_printf(get_apmmode," disabled\n");
2105 /* set Advanced Power Management mode */
2106 args[2] = 0x05; /* feature register */
2107 args[1] = apmmode; /* sector count register */
2108 if_printf(get_apmmode," 0x%02lX (%ld)\n",apmmode,apmmode);
2110 bb_ioctl(fd, HDIO_DRIVE_CMD, &args,"HDIO_DRIVE_CMD");
2114 #ifdef DO_FLUSHCACHE
2115 #ifndef WIN_FLUSHCACHE
2116 #define WIN_FLUSHCACHE 0xe7
2118 unsigned char flushcache[4] = {WIN_FLUSHCACHE,0,0,0};
2119 #endif /* DO_FLUSHCACHE */
2120 unsigned char args[4] = {WIN_SETFEATURES,0,0,0};
2123 args[2] = wcache ? 0x02 : 0x82;
2124 if_printf_on_off(get_wcache," setting drive write-caching to %ld", wcache);
2125 #ifdef DO_FLUSHCACHE
2126 if (!wcache && ioctl(fd, HDIO_DRIVE_CMD, &flushcache))
2127 bb_perror_msg ("HDIO_DRIVE_CMD(flushcache)");
2128 #endif /* DO_FLUSHCACHE */
2129 bb_ioctl(fd, HDIO_DRIVE_CMD, &args, "HDIO_DRIVE_CMD(setcache)");
2130 #ifdef DO_FLUSHCACHE
2131 if (!wcache && ioctl(fd, HDIO_DRIVE_CMD, &flushcache))
2132 bb_perror_msg ("HDIO_DRIVE_CMD(flushcache)");
2133 #endif /* DO_FLUSHCACHE */
2137 #ifndef WIN_STANDBYNOW1
2138 #define WIN_STANDBYNOW1 0xE0
2140 #ifndef WIN_STANDBYNOW2
2141 #define WIN_STANDBYNOW2 0x94
2143 unsigned char args1[4] = {WIN_STANDBYNOW1,0,0,0};
2144 unsigned char args2[4] = {WIN_STANDBYNOW2,0,0,0};
2146 if_printf(get_standbynow," issuing standby command\n");
2147 if (ioctl(fd, HDIO_DRIVE_CMD, &args1)
2148 && ioctl(fd, HDIO_DRIVE_CMD, &args2))
2149 bb_perror_msg("HDIO_DRIVE_CMD(standby)");
2153 #ifndef WIN_SLEEPNOW1
2154 #define WIN_SLEEPNOW1 0xE6
2156 #ifndef WIN_SLEEPNOW2
2157 #define WIN_SLEEPNOW2 0x99
2159 unsigned char args1[4] = {WIN_SLEEPNOW1,0,0,0};
2160 unsigned char args2[4] = {WIN_SLEEPNOW2,0,0,0};
2162 if_printf(get_sleepnow," issuing sleep command\n");
2163 if (ioctl(fd, HDIO_DRIVE_CMD, &args1)
2164 && ioctl(fd, HDIO_DRIVE_CMD, &args2))
2165 bb_perror_msg("HDIO_DRIVE_CMD(sleep)");
2169 unsigned char args[4] = {0xfb,0,0,0};
2172 if_printf(get_seagate," disabling Seagate auto powersaving mode\n");
2173 bb_ioctl(fd, HDIO_DRIVE_CMD, &args, "HDIO_DRIVE_CMD(seagatepwrsave)");
2177 unsigned char args[4] = {WIN_SETIDLE1,standby_requested,0,0};
2182 printf(" setting standby to %lu", standby_requested);
2183 interpret_standby(standby_requested);
2185 bb_ioctl(fd, HDIO_DRIVE_CMD, &args, "HDIO_DRIVE_CMD(setidle1)");
2187 #else /* HDIO_DRIVE_CMD */
2188 if (force_operation)
2191 flush_buffer_cache(fd);
2192 if (-1 == read(fd, buf, sizeof(buf)))
2193 bb_error_msg("access failed");
2195 #endif /* HDIO_DRIVE_CMD */
2200 if ((verbose && !is_scsi_hd && !is_xt_hd) || get_mult || get_identity)
2204 if (ioctl(fd, HDIO_GET_MULTCOUNT, &multcount))
2206 if ((verbose && !is_xt_hd) || get_mult)
2207 bb_perror_msg("HDIO_GET_MULTCOUNT");
2209 else if (verbose | get_mult)
2211 printf(" multcount = %2ld", multcount);
2215 if ((verbose && !is_scsi_hd && !is_xt_hd) || get_io32bit)
2219 if(ioctl(fd, HDIO_GET_32BIT, &parm))
2220 bb_perror_msg("HDIO_GET_32BIT");
2223 printf(" IO_support =%3ld (", parm);
2229 printf("16-bit)\n");
2232 printf("32-bit)\n");
2235 printf("32-bit w/sync)\n");
2238 printf("Request-Queue-Bypass)\n");
2241 printf("\?\?\?)\n");
2246 if ((verbose && !is_scsi_hd && !is_xt_hd) || get_unmask)
2250 bb_ioctl_on_off(fd, HDIO_GET_UNMASKINTR,(unsigned long *)parm,
2251 "HDIO_GET_UNMASKINTR"," unmaskirq = %2ld");
2255 #ifdef CONFIG_FEATURE_HDPARM_HDIO_GETSET_DMA
2256 if ((verbose && !is_scsi_hd) || get_dma) {
2258 if(ioctl(fd, HDIO_GET_DMA, &parm))
2259 bb_perror_msg("HDIO_GET_DMA");
2262 printf(" using_dma = %2ld", parm);
2264 printf(" (DMA-Assisted-PIO)\n");
2273 bb_ioctl_on_off (fd, HDIO_GET_QDMA,(unsigned long *)parm,
2274 "HDIO_GET_QDMA"," queue_depth = %2ld");
2276 if ((verbose && !is_scsi_hd && !is_xt_hd) || get_keep)
2280 bb_ioctl_on_off (fd, HDIO_GET_KEEPSETTINGS,(unsigned long *)parm,
2281 "HDIO_GET_KEEPSETTINGS"," keepsettings = %2ld");
2288 bb_ioctl_on_off (fd, HDIO_GET_NOWERR,(unsigned long *)&parm,
2289 " HDIO_GET_NOWERR"," nowerr = %2ld");
2291 if (verbose || get_readonly)
2293 bb_ioctl_on_off(fd, BLKROGET,(unsigned long *)parm,
2294 " BLKROGET"," readonly = %2ld");
2296 if ((verbose && !is_scsi_hd) || get_readahead)
2298 bb_ioctl_on_off (fd, BLKRAGET, (unsigned long *) parm,
2299 " BLKRAGET"," readahead = %2ld");
2301 if (verbose || get_geom)
2303 static const char msg[] = " geometry = %u/%u/%u, sectors = %ld, start = %ld\n";
2304 static struct hd_geometry g;
2305 #ifdef HDIO_GETGEO_BIG
2306 static struct hd_big_geometry bg;
2309 if (ioctl(fd, BLKGETSIZE, &parm))
2310 bb_perror_msg("BLKGETSIZE");
2311 #ifdef HDIO_GETGEO_BIG
2312 else if (!ioctl(fd, HDIO_GETGEO_BIG, &bg))
2313 printf(msg, bg.cylinders, bg.heads, bg.sectors, parm, bg.start);
2315 else if (ioctl(fd, HDIO_GETGEO, &g))
2316 bb_perror_msg("HDIO_GETGEO");
2318 printf(msg, g.cylinders, g.heads, g.sectors, parm, g.start);
2320 #ifdef HDIO_DRIVE_CMD
2323 #ifndef WIN_CHECKPOWERMODE1
2324 #define WIN_CHECKPOWERMODE1 0xE5
2326 #ifndef WIN_CHECKPOWERMODE2
2327 #define WIN_CHECKPOWERMODE2 0x98
2329 unsigned char args[4] = {WIN_CHECKPOWERMODE1,0,0,0};
2332 if (ioctl(fd, HDIO_DRIVE_CMD, &args)
2333 && (args[0] = WIN_CHECKPOWERMODE2) /* try again with 0x98 */
2334 && ioctl(fd, HDIO_DRIVE_CMD, &args))
2336 if (errno != EIO || args[0] != 0 || args[1] != 0)
2342 state = (args[2] == 255) ? "active/idle" : "standby";
2344 printf(" drive state is: %s\n", state);
2347 #ifdef CONFIG_FEATURE_HDPARM_HDIO_DRIVE_RESET
2352 bb_ioctl(fd, HDIO_DRIVE_RESET, NULL, "HDIO_DRIVE_RESET");
2354 #endif /* CONFIG_FEATURE_HDPARM_HDIO_DRIVE_RESET */
2355 #ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
2356 if (perform_tristate)
2358 unsigned char args[4] = {0,tristate,0,0};
2361 bb_ioctl(fd, HDIO_TRISTATE_HWIF, &args, "HDIO_TRISTATE_HWIF");
2363 #endif /* CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF */
2364 #ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
2367 static struct hd_driveid id;
2372 if (!ioctl(fd, HDIO_GET_IDENTITY, &id))
2374 if (multcount != -1)
2376 id.multsect = multcount;
2377 id.multsect_valid |= 1;
2380 id.multsect_valid &= ~1;
2383 else if (errno == -ENOMSG)
2384 printf(" no identification info available\n");
2386 bb_perror_msg("HDIO_GET_IDENTITY");
2391 unsigned char args[4+512] = {WIN_IDENTIFY,0,0,1,};
2397 if (ioctl(fd, HDIO_DRIVE_CMD, &args))
2399 args[0] = WIN_PIDENTIFY;
2400 if (ioctl(fd, HDIO_DRIVE_CMD, &args))
2402 bb_perror_msg("HDIO_DRIVE_CMD(identify)");
2403 goto identify_abort;
2406 for(i=0; i<(sizeof args)/2; i+=2)
2407 __le16_to_cpus((uint16_t *)(&args[i]));
2409 identify((void *)&args[4], NULL);
2414 #ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
2420 printf(" setting bus state to %d", busstate);
2421 bus_state_value(busstate);
2423 bb_ioctl(fd, HDIO_SET_BUSSTATE, (int *)(unsigned long)busstate, "HDIO_SET_BUSSTATE");
2426 #ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
2430 if (ioctl(fd, HDIO_GET_BUSSTATE, &parm))
2431 bb_perror_msg("HDIO_GET_BUSSTATE");
2434 printf(" busstate = %2ld", parm);
2435 bus_state_value(parm);
2440 bb_ioctl(fd, BLKRRPART, NULL, "BLKRRPART");
2444 do_time(0,fd); /*time cache */
2446 do_time(1,fd); /*time device */
2448 flush_buffer_cache (fd);
2452 static char * GET_NUMBER(char *p, unsigned long *flag, unsigned long *num)
2455 while (isdigit(*p)) {
2457 *num = (*num * 10) + (*p++ - '0');
2462 static char * GET_STRING(char *p, unsigned long *flag, int *num)
2468 while (isalnum(*p) && (tmpstr - name) < 31) {
2473 *num = translate_xfermode(name);
2481 #ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
2482 static int fromhex (unsigned char c)
2484 if (c >= 'a' && c <= 'f')
2485 return 10 + (c - 'a');
2486 if (c >= '0' && c <= '9')
2488 bb_error_msg_and_die("bad char: '%c' 0x%02x", c, c);
2491 static int identify_from_stdin (void)
2493 unsigned short sbuf[800];
2494 unsigned char buf[1600], *b = (unsigned char *)buf;
2495 int i, count = read(0, buf, 1280);
2498 bb_error_msg_and_die("read(1280 bytes) failed (rc=%d)", count);
2499 for (i = 0; count >= 4; ++i)
2501 sbuf[i] = (fromhex(b[0]) << 12) | (fromhex(b[1]) << 8) | (fromhex(b[2]) << 4) | fromhex(b[3]);
2502 __le16_to_cpus((uint16_t *)(&sbuf[i]));
2506 identify(sbuf, NULL);
2511 static void missing_arg(int arg, char c, char* add)
2514 bb_error_msg("-%c: missing value %s", c, (add!=NULL)? add :"");
2517 /* our main() routine: */
2518 int hdparm_main(int argc, char **argv)
2528 #ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
2529 if (!strcmp("-Istdin", *argv))
2531 return identify_from_stdin();
2545 /*bb_error_msg_and_die("%s", VERSION);*/
2546 /* We have to return 0 here and not 1 */
2547 printf("%s %s\n",bb_applet_name, VERSION);
2548 return EXIT_SUCCESS;
2552 #ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
2573 if (!*p && argc && isdigit(**argv))
2574 p = *argv++, --argc;
2575 if((set_unmask = set_flag(p,'1'))==1)
2576 unmask = *p++ - '0';
2578 #ifdef CONFIG_FEATURE_HDPARM_HDIO_GETSET_DMA
2582 if (!*p && argc && isdigit(**argv))
2583 p = *argv++, --argc;
2584 if((set_dma = set_flag(p,'9'))==1)
2587 #endif /* CONFIG_FEATURE_HDPARM_HDIO_GETSET_DMA */
2591 if (!*p && argc && isdigit(**argv))
2592 p = *argv++, --argc;
2593 if((set_nowerr = set_flag(p,'1'))==1)
2594 nowerr = *p++ - '0';
2597 noisy_piomode = noisy;
2599 if (!*p && argc && isalnum(**argv))
2600 p = *argv++, --argc;
2601 p=GET_STRING(p,&set_piomode,&piomode);
2604 get_readonly = noisy;
2606 if (!*p && argc && isdigit(**argv))
2607 p = *argv++, --argc;
2608 if((set_readonly = set_flag(p,'1'))==1)
2609 readonly = *p++ - '0';
2614 if (!*p && argc && isalnum(**argv))
2615 p = *argv++, --argc;
2616 p=GET_NUMBER(p,&set_mult,&mult);
2619 get_io32bit = noisy;
2621 if (!*p && argc && isalnum(**argv))
2622 p = *argv++, --argc;
2623 p=GET_NUMBER(p,&set_io32bit,&io32bit);
2625 #ifdef HDIO_DRIVE_CMD
2627 get_standby = noisy;
2629 if (!*p && argc && isalnum(**argv))
2630 p = *argv++, --argc;
2631 p=GET_NUMBER(p,&set_standby,&standby_requested);
2632 missing_arg(set_standby, c, NULL);
2636 get_defects = noisy;
2638 if (!*p && argc && isalnum(**argv))
2639 p = *argv++, --argc;
2640 p=GET_NUMBER(p,&set_defects,&defects);
2641 missing_arg(set_defects, c, NULL);
2644 get_prefetch = noisy;
2646 if (!*p && argc && isalnum(**argv))
2647 p = *argv++, --argc;
2648 p=GET_NUMBER(p,&set_prefetch,&prefetch);
2649 missing_arg(set_prefetch, c, NULL);
2653 get_xfermode = noisy;
2655 if (!*p && argc && isalnum(**argv))
2656 p = *argv++, --argc;
2657 p=GET_STRING(p,&set_xfermode,&xfermode_requested);
2658 missing_arg(set_xfermode, c, NULL);
2664 if (!*p && argc && isdigit(**argv))
2665 p = *argv++, --argc;
2666 if((set_dkeep = set_flag(p,'1'))==1)
2669 goto missing_arg_error;
2673 get_lookahead = noisy;
2675 if (!*p && argc && isdigit(**argv))
2676 p = *argv++, --argc;
2677 if((set_lookahead = set_flag(p,'1'))==1)
2678 lookahead = *p++ - '0';
2680 goto missing_arg_error;
2684 get_doorlock = noisy;
2686 if (!*p && argc && isdigit(**argv))
2687 p = *argv++, --argc;
2688 if((set_doorlock = set_flag(p,'1'))==1)
2689 doorlock = *p++ - '0';
2691 goto missing_arg_error;
2697 if (!*p && argc && isdigit(**argv))
2698 p = *argv++, --argc;
2699 if((set_wcache = set_flag(p,'1'))==1)
2700 wcache = *p++ - '0';
2703 missing_arg(1, c, "(0/1)");
2707 get_powermode = noisy;
2712 get_standbynow = noisy;
2718 get_sleepnow = noisy;
2728 get_seagate = noisy;
2732 #endif /* HDIO_DRIVE_CMD */
2736 if (!*p && argc && isdigit(**argv))
2737 p = *argv++, --argc;
2738 if((set_keep = set_flag(p,'1'))==1)
2741 #ifdef CONFIG_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF
2743 if (!*p && argc && isdigit(**argv))
2744 p = *argv++, --argc;
2746 goto expected_hwif_error; /* "expected hwif_nr" */
2748 sscanf(p++, "%i", &hwif);
2750 unregister_hwif = 1;
2752 #endif /* CONFIG_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF */
2753 #ifdef CONFIG_FEATURE_HDPARM_HDIO_SCAN_HWIF
2755 if (!*p && argc && isdigit(**argv))
2756 p = *argv++, --argc;
2758 goto expected_hwif_error; /* "expected hwif_data" */
2760 sscanf(p++, "%i", &hwif_data);
2762 if (argc && isdigit(**argv))
2763 p = *argv++, --argc;
2765 goto expected_hwif_error; /* "expected hwif_ctrl" */
2767 sscanf(p, "%i", &hwif_ctrl);
2769 if (argc && isdigit(**argv))
2770 p = *argv++, --argc;
2772 #endif /* CONFIG_FEATURE_HDPARM_HDIO_SCAN_HWIF */
2773 #if defined CONFIG_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF || defined CONFIG_FEATURE_HDPARM_HDIO_SCAN_HWIF
2774 expected_hwif_error:
2775 bb_error_msg_and_die("expected hwif value"); /* "expected hwif_irq" */
2776 #endif /* CONFIG_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF || CONFIG_FEATURE_HDPARM_HDIO_SCAN_HWIF */
2777 #ifdef CONFIG_FEATURE_HDPARM_HDIO_SCAN_HWIF
2779 sscanf(p, "%i", &hwif_irq);
2785 #endif /* CONFIG_FEATURE_HDPARM_HDIO_SCAN_HWIF */
2787 #ifdef HDIO_GET_QDMA
2790 #ifdef HDIO_SET_QDMA
2791 if (!*p && argc && isalnum(**argv))
2792 p = *argv++, --argc;
2793 p=GET_NUMBER(p,&set_dma_q,&dma_q);
2794 #ifdef HDIO_GET_QDMA
2801 #ifdef CONFIG_FEATURE_HDPARM_HDIO_DRIVE_RESET
2805 #endif /* CONFIG_FEATURE_HDPARM_HDIO_DRIVE_RESET */
2806 #ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
2808 if (!*p && argc && isdigit(**argv))
2809 p = *argv++, --argc;
2810 if((perform_tristate = set_flag(p,'1'))==1)
2811 tristate = *p++ - '0';
2813 missing_arg(1, c, "(0/1)");
2816 #endif /* CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF */
2818 get_readahead = noisy;
2820 if (!*p && argc && isalnum(**argv))
2821 p = *argv++, --argc;
2822 p=GET_NUMBER(p,&set_readahead,&Xreadahead);
2825 get_apmmode = noisy;
2827 if (!*p && argc && isalnum(**argv))
2828 p = *argv++, --argc;
2829 p=GET_NUMBER(p,&set_apmmode,&apmmode);
2830 missing_arg(set_apmmode, c, "(1-255)");
2840 #ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
2842 get_busstate = noisy;
2844 if (!*p && argc && isdigit(**argv))
2845 p = *argv++, --argc;
2846 if((set_busstate = set_flag(p,'2'))==1)
2847 busstate = *p++ - '0';