1 /* vi: set sw=4 ts=4: */
3 * hdparm implementation for busybox
6 * Copyright (C) [2003] by [Matteo Croce] <3297627799@wind.it>
8 * Hacked by Tito <farmatito@tiscali.it> for size optimization.
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
26 * This program is based on the source code of hdparm: see below...
27 * hdparm.c - Command line interface to get/set hard disk parameters
28 * - by Mark Lord (C) 1994-2002 -- freely distributable
38 #include <sys/ioctl.h>
40 #include <sys/sysmacros.h>
42 #include <sys/times.h>
43 #include <sys/mount.h>
45 #include <linux/types.h>
46 #include <linux/hdreg.h>
47 #include <linux/major.h>
48 #include <asm/byteorder.h>
51 #if (__BYTE_ORDER == __BIG_ENDIAN) && !defined(__USE_XOPEN)
58 #define ATA_DEV 0x0000
59 #define ATAPI_DEV 0x0001
61 /* word definitions */
62 /* ---------------- */
63 #define GEN_CONFIG 0 /* general configuration */
64 #define LCYLS 1 /* number of logical cylinders */
65 #define CONFIG 2 /* specific configuration */
66 #define LHEADS 3 /* number of logical heads */
67 #define TRACK_BYTES 4 /* number of bytes/track (ATA-1) */
68 #define SECT_BYTES 5 /* number of bytes/sector (ATA-1) */
69 #define LSECTS 6 /* number of logical sectors/track */
70 #define START_SERIAL 10 /* ASCII serial number */
71 #define LENGTH_SERIAL 10 /* 10 words (20 bytes or characters) */
72 #define BUF_TYPE 20 /* buffer type (ATA-1) */
73 #define BUFFER__SIZE 21 /* buffer size (ATA-1) */
74 #define RW_LONG 22 /* extra bytes in R/W LONG cmd ( < ATA-4)*/
75 #define START_FW_REV 23 /* ASCII firmware revision */
76 #define LENGTH_FW_REV 4 /* 4 words (8 bytes or characters) */
77 #define START_MODEL 27 /* ASCII model number */
78 #define LENGTH_MODEL 20 /* 20 words (40 bytes or characters) */
79 #define SECTOR_XFER_MAX 47 /* r/w multiple: max sectors xfered */
80 #define DWORD_IO 48 /* can do double-word IO (ATA-1 only) */
81 #define CAPAB_0 49 /* capabilities */
83 #define PIO_MODE 51 /* max PIO mode supported (obsolete)*/
84 #define DMA_MODE 52 /* max Singleword DMA mode supported (obs)*/
85 #define WHATS_VALID 53 /* what fields are valid */
86 #define LCYLS_CUR 54 /* current logical cylinders */
87 #define LHEADS_CUR 55 /* current logical heads */
88 #define LSECTS_CUR 56 /* current logical sectors/track */
89 #define CAPACITY_LSB 57 /* current capacity in sectors */
90 #define CAPACITY_MSB 58
91 #define SECTOR_XFER_CUR 59 /* r/w multiple: current sectors xfered */
92 #define LBA_SECTS_LSB 60 /* LBA: total number of user */
93 #define LBA_SECTS_MSB 61 /* addressable sectors */
94 #define SINGLE_DMA 62 /* singleword DMA modes */
95 #define MULTI_DMA 63 /* multiword DMA modes */
96 #define ADV_PIO_MODES 64 /* advanced PIO modes supported */
97 /* multiword DMA xfer cycle time: */
98 #define DMA_TIME_MIN 65 /* - minimum */
99 #define DMA_TIME_NORM 66 /* - manufacturer's recommended */
100 /* minimum PIO xfer cycle time: */
101 #define PIO_NO_FLOW 67 /* - without flow control */
102 #define PIO_FLOW 68 /* - with IORDY flow control */
103 #define PKT_REL 71 /* typical #ns from PKT cmd to bus rel */
104 #define SVC_NBSY 72 /* typical #ns from SERVICE cmd to !BSY */
105 #define CDR_MAJOR 73 /* CD ROM: major version number */
106 #define CDR_MINOR 74 /* CD ROM: minor version number */
107 #define QUEUE_DEPTH 75 /* queue depth */
108 #define MAJOR 80 /* major version number */
109 #define MINOR 81 /* minor version number */
110 #define CMDS_SUPP_0 82 /* command/feature set(s) supported */
111 #define CMDS_SUPP_1 83
112 #define CMDS_SUPP_2 84
113 #define CMDS_EN_0 85 /* command/feature set(s) enabled */
116 #define ULTRA_DMA 88 /* ultra DMA modes */
117 /* time to complete security erase */
118 #define ERASE_TIME 89 /* - ordinary */
119 #define ENH_ERASE_TIME 90 /* - enhanced */
120 #define ADV_PWR 91 /* current advanced power management level
121 in low byte, 0x40 in high byte. */
122 #define PSWD_CODE 92 /* master password revision code */
123 #define HWRST_RSLT 93 /* hardware reset result */
124 #define ACOUSTIC 94 /* acoustic mgmt values ( >= ATA-6) */
125 #define LBA_LSB 100 /* LBA: maximum. Currently only 48 */
126 #define LBA_MID 101 /* bits are used, but addr 103 */
127 #define LBA_48_MSB 102 /* has been reserved for LBA in */
128 #define LBA_64_MSB 103 /* the future. */
129 #define RM_STAT 127 /* removable media status notification feature set support */
130 #define SECU_STATUS 128 /* security status */
131 #define CFA_PWR_MODE 160 /* CFA power mode 1 */
132 #define START_MEDIA 176 /* media serial number */
133 #define LENGTH_MEDIA 20 /* 20 words (40 bytes or characters)*/
134 #define START_MANUF 196 /* media manufacturer I.D. */
135 #define LENGTH_MANUF 10 /* 10 words (20 bytes or characters) */
136 #define INTEGRITY 255 /* integrity word */
138 /* bit definitions within the words */
139 /* -------------------------------- */
141 /* many words are considered valid if bit 15 is 0 and bit 14 is 1 */
143 #define VALID_VAL 0x4000
144 /* many words are considered invalid if they are either all-0 or all-1 */
145 #define NOVAL_0 0x0000
146 #define NOVAL_1 0xffff
148 /* word 0: gen_config */
149 #define NOT_ATA 0x8000
150 #define NOT_ATAPI 0x4000 /* (check only if bit 15 == 1) */
151 #define MEDIA_REMOVABLE 0x0080
152 #define DRIVE_NOT_REMOVABLE 0x0040 /* bit obsoleted in ATA 6 */
153 #define INCOMPLETE 0x0004
154 #define CFA_SUPPORT_VAL 0x848a /* 848a=CFA feature set support */
155 #define DRQ_RESPONSE_TIME 0x0060
156 #define DRQ_3MS_VAL 0x0000
157 #define DRQ_INTR_VAL 0x0020
158 #define DRQ_50US_VAL 0x0040
159 #define PKT_SIZE_SUPPORTED 0x0003
160 #define PKT_SIZE_12_VAL 0x0000
161 #define PKT_SIZE_16_VAL 0x0001
162 #define EQPT_TYPE 0x1f00
167 #ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
168 static const char * const pkt_str[] = {
169 "Direct-access device", /* word 0, bits 12-8 = 00 */
170 "Sequential-access device", /* word 0, bits 12-8 = 01 */
171 "Printer", /* word 0, bits 12-8 = 02 */
172 "Processor", /* word 0, bits 12-8 = 03 */
173 "Write-once device", /* word 0, bits 12-8 = 04 */
174 "CD-ROM", /* word 0, bits 12-8 = 05 */
175 "Scanner", /* word 0, bits 12-8 = 06 */
176 "Optical memory", /* word 0, bits 12-8 = 07 */
177 "Medium changer", /* word 0, bits 12-8 = 08 */
178 "Communications device", /* word 0, bits 12-8 = 09 */
179 "ACS-IT8 device", /* word 0, bits 12-8 = 0a */
180 "ACS-IT8 device", /* word 0, bits 12-8 = 0b */
181 "Array controller", /* word 0, bits 12-8 = 0c */
182 "Enclosure services", /* word 0, bits 12-8 = 0d */
183 "Reduced block command device", /* word 0, bits 12-8 = 0e */
184 "Optical card reader/writer", /* word 0, bits 12-8 = 0f */
185 "", /* word 0, bits 12-8 = 10 */
186 "", /* word 0, bits 12-8 = 11 */
187 "", /* word 0, bits 12-8 = 12 */
188 "", /* word 0, bits 12-8 = 13 */
189 "", /* word 0, bits 12-8 = 14 */
190 "", /* word 0, bits 12-8 = 15 */
191 "", /* word 0, bits 12-8 = 16 */
192 "", /* word 0, bits 12-8 = 17 */
193 "", /* word 0, bits 12-8 = 18 */
194 "", /* word 0, bits 12-8 = 19 */
195 "", /* word 0, bits 12-8 = 1a */
196 "", /* word 0, bits 12-8 = 1b */
197 "", /* word 0, bits 12-8 = 1c */
198 "", /* word 0, bits 12-8 = 1d */
199 "", /* word 0, bits 12-8 = 1e */
200 "Unknown", /* word 0, bits 12-8 = 1f */
203 static const char * const ata1_cfg_str[] = { /* word 0 in ATA-1 mode */
204 "reserved", /* bit 0 */
205 "hard sectored", /* bit 1 */
206 "soft sectored", /* bit 2 */
207 "not MFM encoded ", /* bit 3 */
208 "head switch time > 15us", /* bit 4 */
209 "spindle motor control option", /* bit 5 */
210 "fixed drive", /* bit 6 */
211 "removable drive", /* bit 7 */
212 "disk xfer rate <= 5Mbs", /* bit 8 */
213 "disk xfer rate > 5Mbs, <= 10Mbs", /* bit 9 */
214 "disk xfer rate > 5Mbs", /* bit 10 */
215 "rotational speed tol.", /* bit 11 */
216 "data strobe offset option", /* bit 12 */
217 "track offset option", /* bit 13 */
218 "format speed tolerance gap reqd", /* bit 14 */
223 /* word 1: number of logical cylinders */
224 #define LCYLS_MAX 0x3fff /* maximum allowable value */
226 /* word 2: specific configuration
227 * (a) require SET FEATURES to spin-up
228 * (b) require spin-up to fully reply to IDENTIFY DEVICE
230 #define STBY_NID_VAL 0x37c8 /* (a) and (b) */
231 #define STBY_ID_VAL 0x738c /* (a) and not (b) */
232 #define PWRD_NID_VAL 0x8c73 /* not (a) and (b) */
233 #define PWRD_ID_VAL 0xc837 /* not (a) and not (b) */
235 /* words 47 & 59: sector_xfer_max & sector_xfer_cur */
236 #define SECTOR_XFER 0x00ff /* sectors xfered on r/w multiple cmds*/
237 #define MULTIPLE_SETTING_VALID 0x0100 /* 1=multiple sector setting is valid */
239 /* word 49: capabilities 0 */
240 #define STD_STBY 0x2000 /* 1=standard values supported (ATA);
241 0=vendor specific values */
242 #define IORDY_SUP 0x0800 /* 1=support; 0=may be supported */
243 #define IORDY_OFF 0x0400 /* 1=may be disabled */
244 #define LBA_SUP 0x0200 /* 1=Logical Block Address support */
245 #define DMA_SUP 0x0100 /* 1=Direct Memory Access support */
246 #define DMA_IL_SUP 0x8000 /* 1=interleaved DMA support (ATAPI) */
247 #define CMD_Q_SUP 0x4000 /* 1=command queuing support (ATAPI) */
248 #define OVLP_SUP 0x2000 /* 1=overlap operation support (ATAPI) */
249 #define SWRST_REQ 0x1000 /* 1=ATA SW reset required (ATAPI, obsolete */
251 /* word 50: capabilities 1 */
252 #define MIN_STANDBY_TIMER 0x0001 /* 1=device specific standby timer value minimum */
254 /* words 51 & 52: PIO & DMA cycle times */
255 #define MODE 0xff00 /* the mode is in the MSBs */
257 /* word 53: whats_valid */
258 #define OK_W88 0x0004 /* the ultra_dma info is valid */
259 #define OK_W64_70 0x0002 /* see above for word descriptions */
260 #define OK_W54_58 0x0001 /* current cyl, head, sector, cap. info valid */
262 /*word 63,88: dma_mode, ultra_dma_mode*/
263 #define MODE_MAX 7 /* bit definitions force udma <=7 (when
264 * udma >=8 comes out it'll have to be
265 * defined in a new dma_mode word!) */
267 /* word 64: PIO transfer modes */
268 #define PIO_SUP 0x00ff /* only bits 0 & 1 are used so far, */
269 #define PIO_MODE_MAX 8 /* but all 8 bits are defined */
271 /* word 75: queue_depth */
272 #define DEPTH_BITS 0x001f /* bits used for queue depth */
274 /* words 80-81: version numbers */
275 /* NOVAL_0 or NOVAL_1 means device does not report version */
277 /* word 81: minor version number */
278 #define MINOR_MAX 0x1C
279 #ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
280 static const char * const minor_str[] = { /* word 81 value: */
281 "device does not report version", /* 0x0000 */
282 "ATA-1 X3T9.2 781D prior to revision 4", /* 0x0001 */
283 "ATA-1 published, ANSI X3.221-1994", /* 0x0002 */
284 "ATA-1 X3T9.2 781D revision 4", /* 0x0003 */
285 "ATA-2 published, ANSI X3.279-1996", /* 0x0004 */
286 "ATA-2 X3T10 948D prior to revision 2k", /* 0x0005 */
287 "ATA-3 X3T10 2008D revision 1", /* 0x0006 */
288 "ATA-2 X3T10 948D revision 2k", /* 0x0007 */
289 "ATA-3 X3T10 2008D revision 0", /* 0x0008 */
290 "ATA-2 X3T10 948D revision 3", /* 0x0009 */
291 "ATA-3 published, ANSI X3.298-199x", /* 0x000a */
292 "ATA-3 X3T10 2008D revision 6", /* 0x000b */
293 "ATA-3 X3T13 2008D revision 7 and 7a", /* 0x000c */
294 "ATA/ATAPI-4 X3T13 1153D revision 6", /* 0x000d */
295 "ATA/ATAPI-4 T13 1153D revision 13", /* 0x000e */
296 "ATA/ATAPI-4 X3T13 1153D revision 7", /* 0x000f */
297 "ATA/ATAPI-4 T13 1153D revision 18", /* 0x0010 */
298 "ATA/ATAPI-4 T13 1153D revision 15", /* 0x0011 */
299 "ATA/ATAPI-4 published, ANSI NCITS 317-1998", /* 0x0012 */
300 "ATA/ATAPI-5 T13 1321D revision 3",
301 "ATA/ATAPI-4 T13 1153D revision 14", /* 0x0014 */
302 "ATA/ATAPI-5 T13 1321D revision 1", /* 0x0015 */
303 "ATA/ATAPI-5 published, ANSI NCITS 340-2000", /* 0x0016 */
304 "ATA/ATAPI-4 T13 1153D revision 17", /* 0x0017 */
305 "ATA/ATAPI-6 T13 1410D revision 0", /* 0x0018 */
306 "ATA/ATAPI-6 T13 1410D revision 3a", /* 0x0019 */
307 "Reserved", /* 0x001a */
308 "ATA/ATAPI-6 T13 1410D revision 2", /* 0x001b */
309 "ATA/ATAPI-6 T13 1410D revision 1", /* 0x001c */
310 "reserved" /* 0x001d */
311 "reserved" /* 0x001e */
312 "reserved" /* 0x001f-0xfffe*/
315 static const char actual_ver[] = {
317 0, /* 0x0000 WARNING: */
318 1, /* 0x0001 WARNING: */
319 1, /* 0x0002 WARNING: */
320 1, /* 0x0003 WARNING: */
321 2, /* 0x0004 WARNING: This array */
322 2, /* 0x0005 WARNING: corresponds */
323 3, /* 0x0006 WARNING: *exactly* */
324 2, /* 0x0007 WARNING: to the ATA/ */
325 3, /* 0x0008 WARNING: ATAPI version */
326 2, /* 0x0009 WARNING: listed in */
327 3, /* 0x000a WARNING: the */
328 3, /* 0x000b WARNING: minor_str */
329 3, /* 0x000c WARNING: array */
330 4, /* 0x000d WARNING: above. */
331 4, /* 0x000e WARNING: */
332 4, /* 0x000f WARNING: if you change */
333 4, /* 0x0010 WARNING: that one, */
334 4, /* 0x0011 WARNING: change this one */
335 4, /* 0x0012 WARNING: too!!! */
336 5, /* 0x0013 WARNING: */
337 4, /* 0x0014 WARNING: */
338 5, /* 0x0015 WARNING: */
339 5, /* 0x0016 WARNING: */
340 4, /* 0x0017 WARNING: */
341 6, /* 0x0018 WARNING: */
342 6, /* 0x0019 WARNING: */
343 0, /* 0x001a WARNING: */
344 6, /* 0x001b WARNING: */
345 6, /* 0x001c WARNING: */
346 0 /* 0x001d-0xfffe */
349 /* words 82-84: cmds/feats supported */
350 #define CMDS_W82 0x77ff /* word 82: defined command locations*/
351 #define CMDS_W83 0x3fff /* word 83: defined command locations*/
352 #define CMDS_W84 0x002f /* word 83: defined command locations*/
353 #define SUPPORT_48_BIT 0x0400
354 #define NUM_CMD_FEAT_STR 48
356 #ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
357 static const char * const cmd_feat_str[] = {
358 "", /* word 82 bit 15: obsolete */
359 "NOP cmd", /* word 82 bit 14 */
360 "READ BUFFER cmd", /* word 82 bit 13 */
361 "WRITE BUFFER cmd", /* word 82 bit 12 */
362 "", /* word 82 bit 11: obsolete */
363 "Host Protected Area feature set", /* word 82 bit 10 */
364 "DEVICE RESET cmd", /* word 82 bit 9 */
365 "SERVICE interrupt", /* word 82 bit 8 */
366 "Release interrupt", /* word 82 bit 7 */
367 "Look-ahead", /* word 82 bit 6 */
368 "Write cache", /* word 82 bit 5 */
369 "PACKET command feature set", /* word 82 bit 4 */
370 "Power Management feature set", /* word 82 bit 3 */
371 "Removable Media feature set", /* word 82 bit 2 */
372 "Security Mode feature set", /* word 82 bit 1 */
373 "SMART feature set", /* word 82 bit 0 */
375 "", /* word 83 bit 15: !valid bit */
376 "", /* word 83 bit 14: valid bit */
377 "FLUSH CACHE EXT command", /* word 83 bit 13 */
378 "Mandatory FLUSH CACHE command ", /* word 83 bit 12 */
379 "Device Configuration Overlay feature set ",
380 "48-bit Address feature set ", /* word 83 bit 10 */
382 "SET MAX security extension", /* word 83 bit 8 */
383 "Address Offset Reserved Area Boot", /* word 83 bit 7 */
384 "SET FEATURES subcommand required to spinup after power up",
385 "Power-Up In Standby feature set", /* word 83 bit 5 */
386 "Removable Media Status Notification feature set",
387 "Adv. Power Management feature set",/* word 83 bit 3 */
388 "CFA feature set", /* word 83 bit 2 */
389 "READ/WRITE DMA QUEUED", /* word 83 bit 1 */
390 "DOWNLOAD MICROCODE cmd", /* word 83 bit 0 */
392 "", /* word 84 bit 15: !valid bit */
393 "", /* word 84 bit 14: valid bit */
394 "", /* word 84 bit 13: reserved */
395 "", /* word 84 bit 12: reserved */
396 "", /* word 84 bit 11: reserved */
397 "", /* word 84 bit 10: reserved */
398 "", /* word 84 bit 9: reserved */
399 "", /* word 84 bit 8: reserved */
400 "", /* word 84 bit 7: reserved */
401 "", /* word 84 bit 6: reserved */
402 "General Purpose Logging feature set", /* word 84 bit 5 */
403 "", /* word 84 bit 4: reserved */
404 "Media Card Pass Through Command feature set ",
405 "Media serial number ", /* word 84 bit 2 */
406 "SMART self-test ", /* word 84 bit 1 */
407 "SMART error logging " /* word 84 bit 0 */
412 /* words 85-87: cmds/feats enabled */
413 /* use cmd_feat_str[] to display what commands and features have
414 * been enabled with words 85-87
417 /* words 89, 90, SECU ERASE TIME */
418 #define ERASE_BITS 0x00ff
420 /* word 92: master password revision */
421 /* NOVAL_0 or NOVAL_1 means no support for master password revision */
423 /* word 93: hw reset result */
424 #define CBLID 0x2000 /* CBLID status */
425 #define RST0 0x0001 /* 1=reset to device #0 */
426 #define DEV_DET 0x0006 /* how device num determined */
427 #define JUMPER_VAL 0x0002 /* device num determined by jumper */
428 #define CSEL_VAL 0x0004 /* device num determined by CSEL_VAL */
430 /* word 127: removable media status notification feature set support */
431 #define RM_STAT_BITS 0x0003
432 #define RM_STAT_SUP 0x0001
434 /* word 128: security */
435 #define SECU_ENABLED 0x0002
436 #define SECU_LEVEL 0x0010
437 #define NUM_SECU_STR 6
438 #ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
439 static const char * const secu_str[] = {
440 "supported", /* word 128, bit 0 */
441 "enabled", /* word 128, bit 1 */
442 "locked", /* word 128, bit 2 */
443 "frozen", /* word 128, bit 3 */
444 "expired: security count", /* word 128, bit 4 */
445 "supported: enhanced erase" /* word 128, bit 5 */
449 /* word 160: CFA power mode */
450 #define VALID_W160 0x8000 /* 1=word valid */
451 #define PWR_MODE_REQ 0x2000 /* 1=CFA power mode req'd by some cmds*/
452 #define PWR_MODE_OFF 0x1000 /* 1=CFA power moded disabled */
453 #define MAX_AMPS 0x0fff /* value = max current in ma */
455 /* word 255: integrity */
456 #define SIG 0x00ff /* signature location */
457 #define SIG_VAL 0x00A5 /* signature value */
459 #define VERSION "v5.4"
462 #define TIMING_BUF_MB 1
463 #define TIMING_BUF_BYTES (TIMING_BUF_MB * 1024 * 1024)
464 #define TIMING_BUF_COUNT (timing_MB / TIMING_BUF_MB)
465 #define BUFCACHE_FACTOR 2
467 #undef DO_FLUSHCACHE /* under construction: force cache flush on -W0 */
469 /* Busybox messages and functions */
471 static const char bb_msg_shared_mem[] = "could not %s sharedmem buf";
472 static const char bb_msg_op_not_supp[] = " operation not supported on %s disks";
474 static void bb_ioctl(int fd, int request, void *argp, const char *string)
476 if (ioctl (fd, request, argp) != 0)
477 bb_perror_msg(" %s", string);
480 static void if_printf(unsigned long i, char *fmt, ... )
489 static void on_off (unsigned int value);
491 static void if_printf_on_off(unsigned long get_arg,const char *fmt, unsigned long arg)
500 static void bb_ioctl_on_off(int fd, int request, void *argp, const char *string,
503 if (ioctl (fd, request, &argp) != 0)
504 bb_perror_msg(" %s", string);
507 printf(fmt, (unsigned long) argp);
508 on_off((unsigned long) argp);
512 #ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
513 static void if_else_printf(unsigned long i, char *fmt1, char *fmt2, ... )
524 static void print_ascii(uint16_t *p, uint8_t length);
526 static void xprint_ascii(uint16_t *val ,int i, char * string, int n)
530 printf("\t%-20s",string);
531 print_ascii(&val[i], n);
535 static void if_strcat(unsigned long test, char *modes, char *string)
538 strcat(modes,string);
542 static void sync_and_sleep(int i)
548 static uint16_t check_if_min_and_set_val(uint16_t a, uint16_t b)
555 static uint16_t check_if_maj_and_set_val(uint16_t a, uint16_t b)
562 static unsigned long int set_flag(char *p, char max)
564 if (*p >= '0' && *p <= max )
569 /* end of busybox specific stuff */
571 #ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
572 static uint8_t mode_loop(uint16_t mode_sup, uint16_t mode_sel, int cc, uint8_t *have_mode)
577 for(ii = 0; ii <= MODE_MAX; ii++)
579 if(mode_sel & 0x0001)
581 printf("*%cdma%u ",cc,ii);
586 else if(mode_sup & 0x0001)
587 printf("%cdma%u ",cc,ii);
595 static void print_ascii(uint16_t *p, uint8_t length) {
599 /* find first non-space & print it */
600 for(ii = 0; ii< length; ii++)
602 if(((char) 0x00ff&((*p)>>8)) != ' ')
604 if((cl = (char) 0x00ff&(*p)) != ' ')
606 if_printf((cl != '\0'),"%c",cl);
614 for(; ii< length; ii++)
617 break; /* some older devices have NULLs */
618 printf("%c%c",(char)0x00ff&((*p)>>8),(char)(*p)&0x00ff);
624 /* identify() is the only extern function used across two source files. The
625 others, though, were declared in hdparm.c with global scope; since other
626 functions in that file have static (file) scope, I assume the difference is
628 static void identify (uint16_t *id_supplied, const char *devname)
631 char *id_file = NULL;
633 uint16_t val[256], 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 __u64 bbbig; /* (:) */
643 #if __BYTE_ORDER == __BIG_ENDIAN
644 swab(id_supplied, val, sizeof(val));
646 memcpy(val, id_supplied, sizeof(val));
651 id_file = xcalloc(1, strlen(devname)+22);
652 sprintf(id_file, "/proc/ide/%s/identify", devname);
653 /* open the file, read in all the info and close it */
657 fl = bb_xfopen(id_file, "r");
659 /* calculate checksum over all bytes */
660 for(ii = GEN_CONFIG; ii<=INTEGRITY; ii++)
662 unsigned int scratch;
663 if(1 != fscanf(fl,"%04x",&scratch))
665 val[ii] = (uint16_t)scratch;
666 chksum += val[ii] + (val[ii] >> 8);
669 /*bb_fclose_nonstdin(fl);*/
670 if(ii < (INTEGRITY+1))
671 bb_error_msg_and_die("Input file wrong format or length");
675 /* check if we recognise the device type */
677 if(!(val[GEN_CONFIG] & NOT_ATA))
680 printf("ATA device, with ");
682 else if(val[GEN_CONFIG]==CFA_SUPPORT_VAL)
686 printf("CompactFlash ATA device, with ");
688 else if(!(val[GEN_CONFIG] & NOT_ATAPI))
691 eqpt = (val[GEN_CONFIG] & EQPT_TYPE) >> SHIFT_EQPT;
692 printf("ATAPI %s, with ", pkt_str[eqpt]);
696 /*"Unknown device type:\n\tbits 15&14 of general configuration word 0 both set to 1.\n"*/
697 bb_error_msg_and_die("Unknown device type");
699 if_printf(!(val[GEN_CONFIG] & MEDIA_REMOVABLE),"non-");
700 printf("removable media\n");
702 /* Info from the specific configuration word says whether or not the
703 * ID command completed correctly. It is only defined, however in
704 * ATA/ATAPI-5 & 6; it is reserved (value theoretically 0) in prior
705 * standards. Since the values allowed for this word are extremely
706 * specific, it should be safe to check it now, even though we don't
707 * know yet what standard this device is using.
709 if((val[CONFIG]==STBY_NID_VAL) || (val[CONFIG]==STBY_ID_VAL) ||
710 (val[CONFIG]==PWRD_NID_VAL) || (val[CONFIG]==PWRD_ID_VAL) )
713 if_printf(((val[CONFIG]==STBY_NID_VAL) || (val[CONFIG]==STBY_ID_VAL)),
714 "powers-up in standby; SET FEATURES subcmd spins-up.\n");
715 if_printf((((val[CONFIG]==STBY_NID_VAL) || (val[CONFIG]==PWRD_NID_VAL)) && (val[GEN_CONFIG] & INCOMPLETE)),
716 "\n\tWARNING: ID response incomplete.\n\tFollowing data may be incorrect.\n\n");
719 /* output the model and serial numbers and the fw revision */
720 xprint_ascii(val, START_MODEL, "Model Number:", LENGTH_MODEL);
721 xprint_ascii(val, START_SERIAL, "Serial Number:", LENGTH_SERIAL);
722 xprint_ascii(val, START_FW_REV, "Firmware Revision:", LENGTH_FW_REV);
723 xprint_ascii(val, START_MEDIA, "Media Serial Num:", LENGTH_MEDIA);
724 xprint_ascii(val, START_MANUF, "Media Manufacturer:", LENGTH_MANUF);
726 /* major & minor standards version number (Note: these words were not
727 * defined until ATA-3 & the CDROM std uses different words.) */
728 printf("Standards:");
731 if(val[MINOR] && (val[MINOR] <= MINOR_MAX))
733 like_std=check_if_min_and_set_val(like_std, 3);
734 std = actual_ver[val[MINOR]];
735 if_printf(std,"\n\tUsed: %s ",minor_str[val[MINOR]]);
738 /* looks like when they up-issue the std, they obsolete one;
739 * thus, only the newest 4 issues need be supported. (That's
740 * what "kk" and "min_std" are all about.) */
741 if(val[MAJOR] && (val[MAJOR] !=NOVAL_1))
743 printf("\n\tSupported: ");
744 jj = val[MAJOR] << 1;
745 kk = like_std >4 ? like_std-4: 0;
746 for(ii = 14; (ii >0)&&(ii>kk); ii--)
754 kk = like_std >4 ? like_std-4: 0;
756 min_std=check_if_maj_and_set_val(min_std, ii);
760 like_std=check_if_min_and_set_val(like_std, 3);
762 /* Figure out what standard the device is using if it hasn't told
763 * us. If we know the std, check if the device is using any of
764 * the words from the next level up. It happens.
766 like_std=check_if_min_and_set_val(like_std, std);
768 if(((std == 5) || (!std && (like_std < 6))) &&
769 ((((val[CMDS_SUPP_1] & VALID) == VALID_VAL) &&
770 (( val[CMDS_SUPP_1] & CMDS_W83) > 0x00ff)) ||
771 ((( val[CMDS_SUPP_2] & VALID) == VALID_VAL) &&
772 ( val[CMDS_SUPP_2] & CMDS_W84) ) ) )
776 else if(((std == 4) || (!std && (like_std < 5))) &&
777 ((((val[INTEGRITY] & SIG) == SIG_VAL) && !chksum) ||
778 (( val[HWRST_RSLT] & VALID) == VALID_VAL) ||
779 ((( val[CMDS_SUPP_1] & VALID) == VALID_VAL) &&
780 (( val[CMDS_SUPP_1] & CMDS_W83) > 0x001f)) ) )
784 else if(((std == 3) || (!std && (like_std < 4))) &&
785 ((((val[CMDS_SUPP_1] & VALID) == VALID_VAL) &&
786 ((( val[CMDS_SUPP_1] & CMDS_W83) > 0x0000) ||
787 (( val[CMDS_SUPP_0] & CMDS_W82) > 0x000f))) ||
788 (( val[CAPAB_1] & VALID) == VALID_VAL) ||
789 (( val[WHATS_VALID] & OK_W88) && val[ULTRA_DMA]) ||
790 (( val[RM_STAT] & RM_STAT_BITS) == RM_STAT_SUP) ) )
794 else if(((std == 2) || (!std && (like_std < 3))) &&
795 ((val[CMDS_SUPP_1] & VALID) == VALID_VAL) )
799 else if(((std == 1) || (!std && (like_std < 2))) &&
800 ((val[CAPAB_0] & (IORDY_SUP | IORDY_OFF)) ||
801 (val[WHATS_VALID] & OK_W64_70)) )
806 printf("\n\tLikely used: %u\n",like_std);
807 else if(like_std > std)
808 printf("& some of %u\n",like_std);
814 /* TBD: do CDROM stuff more thoroughly. For now... */
816 if(val[CDR_MINOR] == 9)
819 printf("\n\tUsed: ATAPI for CD-ROMs, SFF-8020i, r2.5");
821 if(val[CDR_MAJOR] && (val[CDR_MAJOR] !=NOVAL_1))
824 printf("\n\tSupported: CD-ROM ATAPI");
825 jj = val[CDR_MAJOR] >> 1;
826 for(ii = 1; ii <15; ii++)
828 if_printf((jj & 0x0001),"-%u ", ii);
832 if_else_printf((!kk),"\n\tLikely used CD-ROM ATAPI-1\n","\n");
833 /* the cdrom stuff is more like ATA-2 than anything else, so: */
837 if(min_std == 0xffff)
838 min_std = like_std > 4 ? like_std - 3 : 1;
840 printf("Configuration:\n");
841 /* more info from the general configuration word */
842 if((eqpt != CDROM) && (like_std == 1))
844 jj = val[GEN_CONFIG] >> 1;
845 for(ii = 1; ii < 15; ii++)
847 if_printf((jj & 0x0001),"\t%s\n",ata1_cfg_str[ii]);
853 printf("\tDRQ response: "); /* Data Request (DRQ) */
854 switch(val[GEN_CONFIG] & DRQ_RESPONSE_TIME)
860 printf("<=10ms with INTRQ\n");
866 printf("unknown.\n");
869 printf("\tPacket size: ");
870 switch(val[GEN_CONFIG] & PKT_SIZE_SUPPORTED)
872 case PKT_SIZE_12_VAL :
873 printf("12 bytes\n");
875 case PKT_SIZE_16_VAL :
876 printf("16 bytes\n");
885 /* addressing...CHS? See section 6.2 of ATA specs 4 or 5 */
886 ll = (uint32_t)val[LBA_SECTS_MSB] << 16 | val[LBA_SECTS_LSB];
888 if ( (ll > 0x00FBFC10) && (!val[LCYLS]))
889 printf("\tCHS addressing not supported\n");
892 jj = val[WHATS_VALID] & OK_W54_58;
893 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",
894 val[LCYLS],jj?val[LCYLS_CUR]:0, val[LHEADS],jj?val[LHEADS_CUR]:0, val[LSECTS],jj?val[LSECTS_CUR]:0);
896 if_printf(((min_std == 1) && (val[TRACK_BYTES] || val[SECT_BYTES])),
897 "\tbytes/track: %u\tbytes/sector: %u\n",val[TRACK_BYTES], val[SECT_BYTES]);
901 mm = (uint32_t)val[CAPACITY_MSB] << 16 | val[CAPACITY_LSB];
904 /* check Endian of capacity bytes */
905 nn = val[LCYLS_CUR] * val[LHEADS_CUR] * val[LSECTS_CUR];
906 oo = (uint32_t)val[CAPACITY_LSB] << 16 | val[CAPACITY_MSB];
907 if(abs(mm - nn) > abs(oo - nn))
910 printf("\tCHS current addressable sectors:%11u\n",mm);
914 printf("\tLBA user addressable sectors:%11u\n",ll);
915 if( ((val[CMDS_SUPP_1] & VALID) == VALID_VAL) &&
916 (val[CMDS_SUPP_1] & SUPPORT_48_BIT) )
918 bbbig = (__u64)val[LBA_64_MSB] << 48 |
919 (__u64)val[LBA_48_MSB] << 32 |
920 (__u64)val[LBA_MID] << 16 |
922 printf("\tLBA48 user addressable sectors:%11llu\n",bbbig);
926 bbbig = (__u64)(ll>mm ? ll : mm); /* # 512 byte blocks */
927 printf("\tdevice size with M = 1024*1024: %11llu MBytes\n",bbbig>>11);
928 bbbig = (bbbig<<9)/1000000;
929 printf("\tdevice size with M = 1000*1000: %11llu MBytes ",bbbig);
931 if_else_printf((bbbig > 1000),"(%llu GB)\n","\n",bbbig/1000);
935 /* hw support of commands (capabilities) */
936 printf("Capabilities:\n\t");
941 if_printf((val[CAPAB_0] & CMD_Q_SUP),"Cmd queuing, ");
943 if_printf((val[CAPAB_0] & OVLP_SUP),"Cmd overlap, ");
945 if_printf((val[CAPAB_0] & LBA_SUP),"LBA, ");
950 if_printf((!(val[CAPAB_0] & IORDY_SUP)),"(may be)");
951 if_else_printf((val[CAPAB_0] & IORDY_OFF),"(can","(cannot");
952 printf(" be disabled)\n");
955 printf("no IORDY\n");
957 if((like_std == 1) && val[BUF_TYPE])
960 printf("\tBuffer type: %04x: ",kk);
961 if_else_printf((kk < 2),"single port, single-sector","dual port, multi-sector");
962 if_printf((kk > 2)," with read caching ability");
966 if((min_std == 1) && (val[BUFFER__SIZE] && (val[BUFFER__SIZE] != NOVAL_1)))
968 printf("\tBuffer size: %.1fkB",(float)val[BUFFER__SIZE]/2);
971 if((min_std < 4) && (val[RW_LONG]))
973 printf("\tbytes avail on r/w long: %u",val[RW_LONG]);
976 if((eqpt != CDROM) && (like_std > 3))
978 printf("\tQueue depth: %u",(val[QUEUE_DEPTH] & DEPTH_BITS)+1);
986 printf("\tCan%s perform double-word IO\n",(!val[DWORD_IO]) ?"not":"");
989 printf("\tStandby timer values: spec'd by ");
990 if_else_printf((val[CAPAB_0] & STD_STBY),"Standard","Vendor");
991 if((like_std > 3) && ((val[CAPAB_1] & VALID) == VALID_VAL))
992 printf(", %s device specific minimum\n",(val[CAPAB_1] & MIN_STANDBY_TIMER)?"with":"no");
996 printf("\tR/W multiple sector transfer: ");
997 if((like_std < 3) && !(val[SECTOR_XFER_MAX] & SECTOR_XFER))
998 printf("not supported\n");
1001 printf("Max = %u\tCurrent = ",val[SECTOR_XFER_MAX] & SECTOR_XFER);
1002 if_else_printf((val[SECTOR_XFER_CUR] & MULTIPLE_SETTING_VALID),
1003 "%u\n","?\n",val[SECTOR_XFER_CUR] & SECTOR_XFER);
1005 if((like_std > 3) && (val[CMDS_SUPP_1] & 0x0008))
1007 /* We print out elsewhere whether the APM feature is enabled or
1008 not. If it's not enabled, let's not repeat the info; just print
1010 printf("\tAdvancedPM level: ");
1011 if ( (val[ADV_PWR] & 0xFF00) == 0x4000 )
1013 uint8_t apm_level = val[ADV_PWR] & 0x00FF;
1014 printf("%u (0x%x)\n", apm_level, apm_level);
1017 printf("unknown setting (0x%04x)\n", val[ADV_PWR]);
1021 if_printf(val[ACOUSTIC],"\tRecommended acoustic management value: %u, current value: %u\n",
1022 (val[ACOUSTIC] >> 8) & 0x00ff, val[ACOUSTIC] & 0x00ff);
1029 if_printf((val[CAPAB_0] & SWRST_REQ),"\tATA sw reset required\n");
1031 if(val[PKT_REL] || val[SVC_NBSY])
1033 printf("\tOverlap support:");
1034 if_printf(val[PKT_REL]," %uus to release bus.",val[PKT_REL]);
1035 if_printf(val[SVC_NBSY]," %uus to clear BSY after SERVICE cmd.",val[SVC_NBSY]);
1040 /* DMA stuff. Check that only one DMA mode is selected. */
1042 if(!(val[CAPAB_0] & DMA_SUP))
1043 printf("not supported\n");
1046 if_printf((val[DMA_MODE] && !val[SINGLE_DMA] && !val[MULTI_DMA]),
1047 " sdma%u\n",(val[DMA_MODE] & MODE) >> 8);
1050 jj = val[SINGLE_DMA];
1051 kk = val[SINGLE_DMA] >> 8;
1052 err_dma += mode_loop(jj,kk,'s',&have_mode);
1056 jj = val[MULTI_DMA];
1057 kk = val[MULTI_DMA] >> 8;
1058 err_dma += mode_loop(jj,kk,'m',&have_mode);
1060 if((val[WHATS_VALID] & OK_W88) && val[ULTRA_DMA])
1062 jj = val[ULTRA_DMA];
1063 kk = val[ULTRA_DMA] >> 8;
1064 err_dma += mode_loop(jj,kk,'u',&have_mode);
1066 if_printf((err_dma || !have_mode),"(?)");
1069 if_printf(((dev == ATAPI_DEV) && (eqpt != CDROM) && (val[CAPAB_0] & DMA_IL_SUP)),
1070 "\t Interleaved DMA support\n");
1072 if((val[WHATS_VALID] & OK_W64_70) &&
1073 (val[DMA_TIME_MIN] || val[DMA_TIME_NORM]))
1075 printf("\t Cycle time:");
1076 if_printf(val[DMA_TIME_MIN]," min=%uns",val[DMA_TIME_MIN]);
1077 if_printf(val[DMA_TIME_NORM]," recommended=%uns",val[DMA_TIME_NORM]);
1082 /* Programmed IO stuff */
1084 /* If a drive supports mode n (e.g. 3), it also supports all modes less
1085 * than n (e.g. 3, 2, 1 and 0). Print all the modes. */
1086 if((val[WHATS_VALID] & OK_W64_70) && (val[ADV_PIO_MODES] & PIO_SUP))
1088 jj = ((val[ADV_PIO_MODES] & PIO_SUP) << 3) | 0x0007;
1089 for(ii = 0; ii <= PIO_MODE_MAX ; ii++)
1091 if_printf((jj & 0x0001),"pio%d ",ii);
1096 else if(((min_std < 5) || (eqpt == CDROM)) && (val[PIO_MODE] & MODE) )
1098 for(ii = 0; ii <= val[PIO_MODE]>>8; ii++)
1099 printf("pio%d ",ii);
1103 printf("unknown\n");
1105 if(val[WHATS_VALID] & OK_W64_70)
1107 if(val[PIO_NO_FLOW] || val[PIO_FLOW])
1109 printf("\t Cycle time:");
1110 if_printf(val[PIO_NO_FLOW]," no flow control=%uns", val[PIO_NO_FLOW]);
1111 if_printf(val[PIO_FLOW]," IORDY flow control=%uns", val[PIO_FLOW]);
1116 if((val[CMDS_SUPP_1] & VALID) == VALID_VAL)
1118 printf("Commands/features:\n\tEnabled\tSupported:\n");
1119 jj = val[CMDS_SUPP_0];
1120 kk = val[CMDS_EN_0];
1121 for(ii = 0; ii < NUM_CMD_FEAT_STR; ii++)
1123 if((jj & 0x8000) && (*cmd_feat_str[ii] != '\0'))
1125 if_else_printf((kk & 0x8000),"\t *","\t");
1126 printf("\t%s\n",cmd_feat_str[ii]);
1131 jj = val[CMDS_SUPP_0+1+(ii/16)];
1132 kk = val[CMDS_EN_0+1+(ii/16)];
1136 if((val[CMDS_SUPP_2] & VALID) != VALID_VAL)
1141 if_printf(((val[RM_STAT] & RM_STAT_BITS) == RM_STAT_SUP),
1142 "\tRemovable Media Status Notification feature set supported\n");
1146 if((eqpt != CDROM) && (like_std > 3) &&
1147 (val[SECU_STATUS] || val[ERASE_TIME] || val[ENH_ERASE_TIME]))
1149 printf("Security: \n");
1150 if_printf((val[PSWD_CODE] && (val[PSWD_CODE] != NOVAL_1)),
1151 "\tMaster password revision code = %u\n",val[PSWD_CODE]);
1152 jj = val[SECU_STATUS];
1155 for(ii = 0; ii < NUM_SECU_STR; ii++)
1157 if_else_printf((!(jj & 0x0001)),"\tnot\t%s\n", "\t\t%s\n", secu_str[ii]);
1160 if(val[SECU_STATUS] & SECU_ENABLED)
1162 printf("\tSecurity level ");
1163 if_else_printf((val[SECU_STATUS] & SECU_LEVEL),"maximum\n","high\n");
1166 jj = val[ERASE_TIME] & ERASE_BITS;
1167 kk = val[ENH_ERASE_TIME] & ERASE_BITS;
1171 if_printf(jj,"%umin for SECURITY ERASE UNIT. ", jj==ERASE_BITS ? 508 : jj<<1);
1172 if_printf(kk,"%umin for ENHANCED SECURITY ERASE UNIT.", kk==ERASE_BITS ? 508 : kk<<1);
1178 if((val[HWRST_RSLT] & VALID) == VALID_VAL)
1180 printf("HW reset results:\n");
1181 if_else_printf((val[HWRST_RSLT] & CBLID),"\tCBLID- above Vih\n","\tCBLID- below Vih\n");
1183 if(val[HWRST_RSLT] & RST0)
1185 printf("\tDevice num = 0");
1186 jj = val[HWRST_RSLT];
1190 printf("\tDevice num = 1");
1191 jj = val[HWRST_RSLT] >> 8;
1194 if((jj & DEV_DET) == JUMPER_VAL)
1195 printf(" determined by the jumper");
1196 else if((jj & DEV_DET) == CSEL_VAL)
1197 printf(" determined by CSEL");
1201 /* more stuff from std 5 */
1202 if((like_std > 4) && (eqpt != CDROM))
1204 if(val[CFA_PWR_MODE] & VALID_W160)
1206 printf("CFA power mode 1:\n\t");
1207 if_else_printf((val[CFA_PWR_MODE] & PWR_MODE_OFF),"disabled","enabled");
1209 if_printf((val[CFA_PWR_MODE] & PWR_MODE_REQ)," and required by some commands");
1212 if_printf((val[CFA_PWR_MODE] & MAX_AMPS),"\tMaximum current = %uma\n",val[CFA_PWR_MODE] & MAX_AMPS);
1214 if((val[INTEGRITY] & SIG) == SIG_VAL)
1216 printf("Checksum: ");
1217 if_printf(chksum,"in");
1218 printf("correct\n");
1226 static int verbose, get_identity, get_geom, noisy = 1, quiet;
1227 static int flagcount, do_flush, is_scsi_hd, is_xt_hd;
1228 static int do_ctimings, do_timings;
1230 static unsigned long set_readahead, get_readahead, Xreadahead;
1231 static unsigned long set_readonly, get_readonly, readonly;
1232 static unsigned long set_unmask, get_unmask, unmask;
1233 static unsigned long set_mult, get_mult, mult;
1234 #ifdef CONFIG_FEATURE_HDPARM_HDIO_GETSET_DMA
1235 static unsigned long set_dma, get_dma, dma;
1237 static unsigned long set_dma_q, get_dma_q, dma_q;
1238 static unsigned long set_nowerr, get_nowerr, nowerr;
1239 static unsigned long set_keep, get_keep, keep;
1240 static unsigned long set_io32bit, get_io32bit, io32bit;
1241 static unsigned long set_piomode, noisy_piomode;
1243 #ifdef HDIO_DRIVE_CMD
1244 static unsigned long set_dkeep, get_dkeep, dkeep;
1245 static unsigned long set_standby, get_standby, standby_requested;
1246 static unsigned long set_xfermode, get_xfermode;
1247 static int xfermode_requested;
1248 static unsigned long set_lookahead, get_lookahead, lookahead;
1249 static unsigned long set_prefetch, get_prefetch, prefetch;
1250 static unsigned long set_defects, get_defects, defects;
1251 static unsigned long set_wcache, get_wcache, wcache;
1252 static unsigned long set_doorlock, get_doorlock, doorlock;
1253 static unsigned long set_seagate, get_seagate;
1254 static unsigned long set_standbynow, get_standbynow;
1255 static unsigned long set_sleepnow, get_sleepnow;
1256 static unsigned long get_powermode;
1257 static unsigned long set_apmmode, get_apmmode, apmmode;
1259 #ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
1260 static int get_IDentity;
1262 #ifdef CONFIG_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF
1263 static int unregister_hwif;
1266 #ifdef CONFIG_FEATURE_HDPARM_HDIO_SCAN_HWIF
1267 static int scan_hwif;
1268 static int hwif_data;
1269 static int hwif_ctrl;
1270 static int hwif_irq;
1272 #ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
1273 static int set_busstate, get_busstate, busstate;
1275 static int reread_partn;
1277 #ifdef CONFIG_FEATURE_HDPARM_HDIO_DRIVE_RESET
1278 static int perform_reset;
1279 #endif /* CONFIG_FEATURE_HDPARM_HDIO_DRIVE_RESET */
1280 #ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
1281 static int perform_tristate, tristate;
1282 #endif /* CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF */
1284 // Historically, if there was no HDIO_OBSOLETE_IDENTITY, then
1285 // then the HDIO_GET_IDENTITY only returned 142 bytes.
1286 // Otherwise, HDIO_OBSOLETE_IDENTITY returns 142 bytes,
1287 // and HDIO_GET_IDENTITY returns 512 bytes. But the latest
1288 // 2.5.xx kernels no longer define HDIO_OBSOLETE_IDENTITY
1289 // (which they should, but they should just return -EINVAL).
1291 // So.. we must now assume that HDIO_GET_IDENTITY returns 512 bytes.
1292 // On a really old system, it will not, and we will be confused.
1295 #ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
1296 static const char * const cfg_str[] =
1297 { "", " HardSect", " SoftSect", " NotMFM",
1298 " HdSw>15uSec", " SpinMotCtl", " Fixed", " Removeable",
1299 " DTR<=5Mbs", " DTR>5Mbs", " DTR>10Mbs", " RotSpdTol>.5%",
1300 " dStbOff", " TrkOff", " FmtGapReq", " nonMagnetic"
1303 static const char * const BuffType[] = {"unknown", "1Sect", "DualPort", "DualPortCache"};
1305 static void dump_identity (const struct hd_driveid *id)
1308 char pmodes[64], dmodes[128], umodes[128];
1309 const unsigned short int *id_regs= (const void*) id;
1310 unsigned long capacity;
1312 pmodes[0] = dmodes[0] = umodes[0] = '\0';
1314 printf("\n Model=%.40s, FwRev=%.8s, SerialNo=%.20s\n Config={",
1315 id->model, id->fw_rev, id->serial_no);
1316 for (i=0; i<=15; i++)
1317 if_printf((id->config & (1<<i)),"%s", cfg_str[i]);
1319 printf(" }\n RawCHS=%u/%u/%u, TrkSize=%u, SectSize=%u, ECCbytes=%u\n",
1320 id->cyls, id->heads, id->sectors, id->track_bytes,
1321 id->sector_bytes, id->ecc_bytes);
1323 if (id->buf_type > 3)
1324 printf("%s%u", " BuffType=", id->buf_type);
1326 printf("%s%s", " BuffType=", BuffType[id->buf_type]);
1328 printf(", BuffSize=%ukB, MaxMultSect=%u", id->buf_size/2, id->max_multsect);
1329 if (id->max_multsect)
1331 printf(", MultSect=");
1332 if (!(id->multsect_valid&1))
1333 printf("?%u?", id->multsect);
1334 else if (id->multsect)
1335 printf("%u", id->multsect);
1342 strcat(pmodes, "pio0 ");
1343 if_strcat((id->tPIO >= 1), pmodes, "pio1 ");
1344 if_strcat((id->tPIO >= 2), pmodes, "pio2 ");
1347 if_printf((!(id->field_valid&1))," (maybe):");
1348 #if __BYTE_ORDER == __BIG_ENDIAN
1349 capacity = (id->cur_capacity0 << 16) | id->cur_capacity1;
1351 capacity = (id->cur_capacity1 << 16) | id->cur_capacity0;
1353 printf(" CurCHS=%u/%u/%u, CurSects=%lu, LBA=%s",id->cur_cyls, id->cur_heads,
1354 id->cur_sectors, capacity ,
1355 ((id->capability&2)==0)?"no":"yes");
1357 if_printf((id->capability&2),", LBAsects=%u", id->lba_capacity);
1359 if (id->capability&1)
1361 if (id->dma_1word | id->dma_mword)
1363 if_strcat((id->dma_1word & 0x100), dmodes, "*");
1364 if_strcat((id->dma_1word & 1), dmodes, "sdma0 ");
1365 if_strcat((id->dma_1word & 0x200), dmodes, "*");
1366 if_strcat((id->dma_1word & 2), dmodes, "sdma1 ");
1367 if_strcat((id->dma_1word & 0x400), dmodes, "*");
1368 if_strcat((id->dma_1word & 4), dmodes, "sdma2 ");
1369 if_strcat((id->dma_1word & 0xf800), dmodes, "*");
1370 if_strcat((id->dma_1word & 0xf8), dmodes, "sdma? ");
1371 if_strcat((id->dma_mword & 0x100), dmodes, "*");
1372 if_strcat((id->dma_mword & 1), dmodes, "mdma0 ");
1373 if_strcat((id->dma_mword & 0x200), dmodes, "*");
1374 if_strcat((id->dma_mword & 2), dmodes, "mdma1 ");
1375 if_strcat((id->dma_mword & 0x400), dmodes, "*");
1376 if_strcat((id->dma_mword & 4), dmodes, "mdma2 ");
1377 if_strcat((id->dma_mword & 0xf800), dmodes, "*");
1378 if_strcat((id->dma_mword & 0xf8), dmodes, "mdma? ");
1381 printf("\n IORDY=");
1382 if (id->capability&8)
1383 printf((id->capability&4) ? "on/off" : "yes");
1387 if ((id->capability&8) || (id->field_valid&2))
1389 if (id->field_valid&2)
1391 printf(", tPIO={min:%u,w/IORDY:%u}", id->eide_pio, id->eide_pio_iordy);
1392 if_strcat((id->eide_pio_modes & 1), pmodes, "pio3 ");
1393 if_strcat((id->eide_pio_modes & 2), pmodes, "pio4 ");
1394 if_strcat((id->eide_pio_modes &~3), pmodes, "pio? ");
1396 if (id->field_valid&4)
1398 if_strcat((id->dma_ultra & 0x100),umodes,"*");
1399 if_strcat((id->dma_ultra & 0x001),umodes,"udma0 ");
1400 if_strcat((id->dma_ultra & 0x200),umodes,"*");
1401 if_strcat((id->dma_ultra & 0x002),umodes,"udma1 ");
1402 if_strcat((id->dma_ultra & 0x400),umodes,"*");
1403 if_strcat((id->dma_ultra & 0x004),umodes,"udma2 ");
1404 #ifdef __NEW_HD_DRIVE_ID
1405 if (id->hw_config & 0x2000)
1407 #else /* !__NEW_HD_DRIVE_ID */
1408 if (id->word93 & 0x2000)
1410 #endif /* __NEW_HD_DRIVE_ID */
1411 if_strcat((id->dma_ultra & 0x0800),umodes,"*");
1412 if_strcat((id->dma_ultra & 0x0008),umodes,"udma3 ");
1413 if_strcat((id->dma_ultra & 0x1000),umodes,"*");
1414 if_strcat((id->dma_ultra & 0x0010),umodes,"udma4 ");
1415 if_strcat((id->dma_ultra & 0x2000),umodes,"*");
1416 if_strcat((id->dma_ultra & 0x0020),umodes,"udma5 ");
1417 if_strcat((id->dma_ultra & 0x4000),umodes,"*");
1418 if_strcat((id->dma_ultra & 0x0040),umodes,"udma6 ");
1419 if_strcat((id->dma_ultra & 0x8000),umodes,"*");
1420 if_strcat((id->dma_ultra & 0x0080),umodes,"udma7 ");
1424 if_printf(((id->capability&1) && (id->field_valid&2)),
1425 ", tDMA={min:%u,rec:%u}", id->eide_dma_min, id->eide_dma_time);
1426 printf("\n PIO modes: %s", pmodes);
1427 if_printf((*dmodes),"\n DMA modes: %s", dmodes);
1428 if_printf((*umodes),"\n UDMA modes: %s", umodes);
1430 printf("\n AdvancedPM=%s",((id_regs[83]&8)==0)?"no":"yes");
1431 if (id_regs[83] & 8)
1433 if (!(id_regs[86]&8))
1434 printf(": disabled (255)");
1435 else if ((id_regs[91]&0xFF00)!=0x4000)
1436 printf(": unknown setting");
1438 printf(": mode=0x%02X (%u)",id_regs[91]&0xFF,id_regs[91]&0xFF);
1440 if_printf( (id_regs[82]&0x20)," WriteCache=%s",(id_regs[85]&0x20) ? "enabled" : "disabled");
1441 #ifdef __NEW_HD_DRIVE_ID
1442 if ((id->minor_rev_num && id->minor_rev_num <= 31) || (id->major_rev_num && id->minor_rev_num <= 31))
1444 printf("\n Drive conforms to: ");
1445 if_else_printf((id->minor_rev_num <= 31),"%s: ","unknown: ", minor_str[id->minor_rev_num]);
1446 if (id->major_rev_num < 31)
1448 for (i=0; i <= 15; i++)
1449 if_printf((id->major_rev_num & (1<<i))," %u", i);
1452 #endif /* __NEW_HD_DRIVE_ID */
1453 printf("\n\n * signifies the current active mode\n\n");
1457 static void flush_buffer_cache (int fd)
1459 fsync (fd); /* flush buffers */
1460 bb_ioctl(fd, BLKFLSBUF, NULL,"BLKFLSBUF" ) ;/* do it again, big time */
1461 #ifdef HDIO_DRIVE_CMD
1463 if (ioctl(fd, HDIO_DRIVE_CMD, NULL) && errno != EINVAL) /* await completion */
1464 bb_perror_msg("HDIO_DRIVE_CMD");
1468 static int seek_to_zero (int fd)
1470 if (lseek(fd, (off_t) 0, SEEK_SET))
1475 static int read_big_block (int fd, char *buf)
1480 if ((rc = read(fd, buf, TIMING_BUF_BYTES)) != TIMING_BUF_BYTES)
1488 string = "read() hit EOF - device too small";
1491 string = "read(%u) returned %u bytes";
1493 bb_error_msg(string, TIMING_BUF_BYTES, rc);
1497 /* access all sectors of buf to ensure the read fully completed */
1498 for (i = 0; i < TIMING_BUF_BYTES; i += 512)
1503 static double correction;
1505 static void do_time (int flag, int fd)
1508 flag = 1 time_device
1514 struct itimerval e1, e2;
1516 int timing_MB = TIMING_MB;
1518 if ((shmid = shmget(IPC_PRIVATE, TIMING_BUF_BYTES, 0600)) == -1)
1520 bb_error_msg (bb_msg_shared_mem,"allocate"); /*"could not allocate sharedmem buf"*/
1523 if (shmctl(shmid, SHM_LOCK, NULL) == -1)
1525 bb_error_msg (bb_msg_shared_mem,"lock"); /*"could not lock sharedmem buf"*/
1526 (void) shmctl(shmid, IPC_RMID, NULL);
1529 if ((buf = shmat(shmid, (char *) 0, 0)) == (char *) -1)
1531 bb_error_msg (bb_msg_shared_mem,"attach"); /*"could not attach sharedmem buf"*/
1532 (void) shmctl(shmid, IPC_RMID, NULL);
1535 if (shmctl(shmid, IPC_RMID, NULL) == -1)
1536 bb_error_msg ("shmctl(,IPC_RMID,)");
1538 /* Clear out the device request queues & give them time to complete */
1541 if(flag == 0) /* Time cache */
1543 /* Calculate a correction factor for the basic
1544 * overhead of doing a read() from the buffer cache.
1545 * To do this, we read the data once to "cache it" and
1546 * to force full preallocation of our timing buffer,
1547 * and then we re-read it 10 times while timing it.
1549 * getitimer() is used rather than gettimeofday() because
1550 * it is much more consistent (on my machine, at least).
1552 setitimer(ITIMER_REAL, &(struct itimerval){{1000,0},{1000,0}}, NULL);
1553 if (seek_to_zero (fd))
1555 if (read_big_block (fd, buf))
1557 printf(" Timing buffer-cache reads: ");
1560 /* Clear out the device request queues & give them time to complete */
1563 /* Time re-reading from the buffer-cache */
1564 getitimer(ITIMER_REAL, &e1);
1565 for (i = (BUFCACHE_FACTOR * TIMING_BUF_COUNT) ; i > 0; --i)
1567 if (seek_to_zero (fd))
1569 if (read_big_block (fd, buf))
1572 getitimer(ITIMER_REAL, &e2);
1573 correction = (e1.it_value.tv_sec - e2.it_value.tv_sec) + ((e1.it_value.tv_usec - e2.it_value.tv_usec) / 1000000.0);
1575 /* Now remove the lseek() from the correction factor */
1576 getitimer(ITIMER_REAL, &e1);
1577 for (i = (BUFCACHE_FACTOR * TIMING_BUF_COUNT) ; i > 0; --i)
1579 if (seek_to_zero (fd))
1582 getitimer(ITIMER_REAL, &e2);
1583 correction -= (e1.it_value.tv_sec - e2.it_value.tv_sec)
1584 + ((e1.it_value.tv_usec - e2.it_value.tv_usec) / 1000000.0);
1586 if ((BUFCACHE_FACTOR * timing_MB) >= correction) /* more than 1MB/s */
1587 printf("%2d MB in %5.2f seconds =%6.2f MB/sec\n",
1588 (BUFCACHE_FACTOR * timing_MB), correction,
1589 (BUFCACHE_FACTOR * timing_MB) / correction);
1591 printf("%2d MB in %5.2f seconds =%6.2f kB/sec\n",
1592 (BUFCACHE_FACTOR * timing_MB), correction,
1593 (BUFCACHE_FACTOR * timing_MB) / correction * 1024);
1594 correction /= BUFCACHE_FACTOR;
1596 flush_buffer_cache(fd);
1599 else /* Time device */
1601 printf(" Timing buffered disk reads: ");
1605 * getitimer() is used rather than gettimeofday() because
1606 * it is much more consistent (on my machine, at least).
1608 setitimer(ITIMER_REAL, &(struct itimerval){{1000,0},{1000,0}}, NULL);
1610 /* Now do the timings for real */
1611 getitimer(ITIMER_REAL, &e1);
1612 for (i = TIMING_BUF_COUNT; i > 0; --i)
1614 if (read_big_block (fd, buf))
1617 getitimer(ITIMER_REAL, &e2);
1619 elapsed = (e1.it_value.tv_sec - e2.it_value.tv_sec) + ((e1.it_value.tv_usec - e2.it_value.tv_usec) / 1000000.0);
1621 if (timing_MB >= elapsed) /* more than 1MB/s */
1622 printf("%2d MB in %5.2f seconds =%6.2f MB/sec\n",timing_MB, elapsed, timing_MB / elapsed);
1624 printf("%2d MB in %5.2f seconds =%6.2f kB/sec\n",timing_MB, elapsed, timing_MB / elapsed * 1024);
1626 /*"Hmm.. suspicious results: probably not enough free memory for a proper test.");*/
1627 if (elapsed <= (correction * 2))
1628 bb_error_msg(bb_msg_memory_exhausted);
1630 #if 0 /* the "estimate" is just plain wrong for many systems.. */
1631 else if (correction != 0.0) {
1632 printf(" Estimating raw driver speed: ");
1633 elapsed -= correction;
1634 if (timing_MB >= elapsed) /* more than 1MB/s */
1635 printf("%2d MB in %5.2f seconds =%6.2f MB/sec\n",
1636 timing_MB, elapsed, timing_MB / elapsed);
1638 printf("%2d MB in %5.2f seconds =%6.2f kB/sec\n",
1639 timing_MB, elapsed, timing_MB / elapsed * 1024);
1644 if (-1 == shmdt(buf))
1645 bb_error_msg (bb_msg_shared_mem,"detach"); /*"could not detach sharedmem buf"*/
1649 static void no_scsi (void)
1651 /*" operation not supported on SCSI disks"*/
1653 bb_error_msg_and_die(bb_msg_op_not_supp,"SCSI");
1656 static void no_xt (void)
1659 bb_error_msg_and_die(bb_msg_op_not_supp,"XT");
1662 static void on_off (unsigned int value)
1664 printf(value ? " (on)\n" : " (off)\n");
1667 #ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
1668 static void bus_state_value (unsigned int value)
1678 string = " (off)\n";
1680 case BUSSTATE_TRISTATE:
1681 string = " (tristate)\n";
1684 string = " (unknown: %d)\n";
1687 printf(string, value);
1691 #ifdef HDIO_DRIVE_CMD
1692 static void interpret_standby (unsigned int standby)
1701 printf("21 minutes");
1704 printf("vendor-specific");
1707 printf("?reserved");
1710 printf("21 minutes + 15 seconds");
1715 unsigned int secs = standby * 5;
1716 unsigned int mins = secs / 60;
1718 if_printf(mins,"%u minutes", mins);
1719 if_printf((mins && secs)," + ");
1720 if_printf(secs,"%u seconds", secs);
1722 else if (standby <= 251)
1724 unsigned int mins = (standby - 240) * 30;
1725 unsigned int hrs = mins / 60;
1727 if_printf(hrs,"%u hours", hrs);
1728 if_printf((hrs && mins)," + ");
1729 if_printf(mins,"%u minutes", mins);
1732 printf("illegal value");
1738 struct xfermode_entry {
1743 static const struct xfermode_entry xfermode_table[] = {
1779 static int translate_xfermode(char * name)
1781 const struct xfermode_entry *tmp;
1786 for (tmp = xfermode_table; tmp->name != NULL; ++tmp)
1788 if (!strcmp(name, tmp->name))
1793 val = strtol(name, &endptr, 10);
1794 if (*endptr == '\0')
1800 static void interpret_xfermode (unsigned int xfermode)
1805 printf("default PIO mode");
1808 printf("default PIO mode, disable IORDY");
1818 printf("PIO flow control mode%u", xfermode-8);
1828 printf("singleword DMA mode%u", xfermode-16);
1838 printf("multiword DMA mode%u", xfermode-32);
1848 printf("UltraDMA mode%u", xfermode-64);
1851 printf("unknown, probably not valid");
1856 #endif /* HDIO_DRIVE_CMD */
1859 #define VXVM_MAJOR 199
1863 #define CCISS_MAJOR 104
1866 static void process_dev (char *devname)
1869 static long parm, multcount;
1870 struct stat stat_buf;
1871 #ifndef HDIO_DRIVE_CMD
1872 int force_operation = 0;
1874 if (stat(devname,&stat_buf))
1875 bb_perror_msg_and_die(devname);
1877 switch(major(stat_buf.st_rdev))
1879 #ifdef SCSI_DISK0_MAJOR
1880 case (SCSI_DISK0_MAJOR):
1881 case (SCSI_DISK1_MAJOR):
1882 case (SCSI_DISK2_MAJOR):
1883 case (SCSI_DISK3_MAJOR):
1884 case (SCSI_DISK4_MAJOR):
1885 case (SCSI_DISK5_MAJOR):
1886 case (SCSI_DISK6_MAJOR):
1887 case (SCSI_DISK7_MAJOR):
1889 case (SCSI_DISK_MAJOR):
1895 #ifdef LVM_BLK_MAJOR
1896 case (LVM_BLK_MAJOR):
1901 #ifdef XT_DISK_MAJOR
1902 case (XT_DISK_MAJOR):
1932 break; /* do nothing */
1934 bb_error_msg_and_die("%s not supported",devname);
1937 fd = bb_xopen (devname, O_RDONLY|O_NONBLOCK);
1938 if_printf( (!quiet),"\n%s:\n", devname);
1942 if_printf(get_readahead," setting fs readahead to %ld\n", Xreadahead);
1943 bb_ioctl(fd, BLKRASET,(int *)Xreadahead,"BLKRASET");
1945 #ifdef CONFIG_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF
1946 if (unregister_hwif)
1949 printf(" attempting to unregister hwif#%u\n", hwif);
1950 bb_ioctl(fd, HDIO_UNREGISTER_HWIF,(int *)(unsigned long)hwif,"HDIO_UNREGISTER_HWIF");
1953 #ifdef CONFIG_FEATURE_HDPARM_HDIO_SCAN_HWIF
1958 printf(" attempting to scan hwif (0x%x, 0x%x, %u)\n", hwif_data, hwif_ctrl, hwif_irq);
1959 args[0] = hwif_data;
1960 args[1] = hwif_ctrl;
1962 bb_ioctl(fd, HDIO_SCAN_HWIF, args, "HDIO_SCAN_HWIF");
1972 printf(" attempting to ");
1974 printf("auto-tune PIO mode\n");
1975 else if (piomode < 100)
1976 printf("set PIO mode to %d\n", piomode);
1977 else if (piomode < 200)
1978 printf("set MDMA mode to %d\n", (piomode-100));
1980 printf("set UDMA mode to %d\n", (piomode-200));
1982 bb_ioctl(fd, HDIO_SET_PIO_MODE, (int *)(unsigned long)piomode, "HDIO_SET_PIO_MODE");
1988 if_printf(get_io32bit," setting 32-bit IO_support flag to %ld\n", io32bit);
1989 bb_ioctl(fd, HDIO_SET_32BIT, (int *)io32bit, "HDIO_SET_32BIT");
1995 if_printf(get_mult, " setting multcount to %ld\n", mult);
1996 if(ioctl(fd, HDIO_SET_MULTCOUNT, mult))
1997 bb_perror_msg("HDIO_SET_MULTCOUNT");
1998 #ifndef HDIO_DRIVE_CMD
2000 force_operation = 1;
2005 if_printf_on_off(get_readonly," setting readonly to %ld", readonly);
2006 bb_ioctl(fd, BLKROSET, &readonly, "BLKROSET");
2012 if_printf_on_off(get_unmask," setting unmaskirq to %ld", unmask);
2013 bb_ioctl(fd, HDIO_SET_UNMASKINTR, (int *)unmask, "HDIO_SET_UNMASKINTR");
2015 #ifdef CONFIG_FEATURE_HDPARM_HDIO_GETSET_DMA
2019 if_printf_on_off(get_dma," setting using_dma to %ld", dma);
2020 bb_ioctl(fd, HDIO_SET_DMA, (int *)dma, "HDIO_SET_DMA");
2022 #endif /* CONFIG_FEATURE_HDPARM_HDIO_GETSET_DMA */
2026 if_printf_on_off(get_dma_q," setting DMA queue_depth to %ld", dma_q);
2027 bb_ioctl(fd, HDIO_SET_QDMA, (int *)dma_q, "HDIO_SET_QDMA");
2033 if_printf_on_off(get_nowerr," setting nowerr to %ld", nowerr);
2034 bb_ioctl(fd, HDIO_SET_NOWERR, (int *)nowerr,"HDIO_SET_NOWERR");
2040 if_printf_on_off(get_keep," setting keep_settings to %ld", keep);
2041 bb_ioctl(fd, HDIO_SET_KEEPSETTINGS, (int *)keep,"HDIO_SET_KEEPSETTINGS");
2043 #ifdef HDIO_DRIVE_CMD
2046 unsigned char args[4] = {0,0,0,0};
2050 args[0] = doorlock ? WIN_DOORLOCK : WIN_DOORUNLOCK;
2051 if_printf_on_off(get_doorlock," setting drive doorlock to %ld", doorlock);
2052 bb_ioctl(fd, HDIO_DRIVE_CMD, &args,"HDIO_DRIVE_CMD(doorlock)");
2056 /* lock/unlock the drive's "feature" settings */
2057 unsigned char args[4] = {WIN_SETFEATURES,0,0,0};
2061 if_printf_on_off(get_dkeep," setting drive keep features to %ld", dkeep);
2062 args[2] = dkeep ? 0x66 : 0xcc;
2063 bb_ioctl(fd, HDIO_DRIVE_CMD, &args,"HDIO_DRIVE_CMD(keepsettings)");
2067 unsigned char args[4] = {WIN_SETFEATURES,0,0x04,0};
2069 args[2] = defects ? 0x04 : 0x84;
2070 if_printf(get_defects," setting drive defect-mgmt to %ld\n", defects);
2071 bb_ioctl(fd, HDIO_DRIVE_CMD, &args,"HDIO_DRIVE_CMD(defectmgmt)");
2075 unsigned char args[4] = {WIN_SETFEATURES,0,0xab,0};
2080 if_printf(get_prefetch," setting drive prefetch to %ld\n", prefetch);
2081 bb_ioctl(fd, HDIO_DRIVE_CMD, &args, "HDIO_DRIVE_CMD(setprefetch)");
2085 unsigned char args[4] = {WIN_SETFEATURES,0,3,0};
2089 args[1] = xfermode_requested;
2092 printf(" setting xfermode to %d", xfermode_requested);
2093 interpret_xfermode(xfermode_requested);
2095 bb_ioctl(fd, HDIO_DRIVE_CMD, &args,"HDIO_DRIVE_CMD(setxfermode)");
2099 unsigned char args[4] = {WIN_SETFEATURES,0,0,0};
2103 args[2] = lookahead ? 0xaa : 0x55;
2104 if_printf_on_off(get_lookahead," setting drive read-lookahead to %ld", lookahead);
2105 bb_ioctl(fd, HDIO_DRIVE_CMD, &args, "HDIO_DRIVE_CMD(setreadahead)");
2109 unsigned char args[4] = {WIN_SETFEATURES,0,0,0};
2111 apmmode=check_if_min_and_set_val(apmmode,1);
2112 apmmode=check_if_maj_and_set_val(apmmode,255);
2113 if_printf(get_apmmode," setting APM level to");
2116 /* disable Advanced Power Management */
2117 args[2] = 0x85; /* feature register */
2118 if_printf(get_apmmode," disabled\n");
2122 /* set Advanced Power Management mode */
2123 args[2] = 0x05; /* feature register */
2124 args[1] = apmmode; /* sector count register */
2125 if_printf(get_apmmode," 0x%02lX (%ld)\n",apmmode,apmmode);
2127 bb_ioctl(fd, HDIO_DRIVE_CMD, &args,"HDIO_DRIVE_CMD");
2131 #ifdef DO_FLUSHCACHE
2132 #ifndef WIN_FLUSHCACHE
2133 #define WIN_FLUSHCACHE 0xe7
2135 unsigned char flushcache[4] = {WIN_FLUSHCACHE,0,0,0};
2136 #endif /* DO_FLUSHCACHE */
2137 unsigned char args[4] = {WIN_SETFEATURES,0,0,0};
2140 args[2] = wcache ? 0x02 : 0x82;
2141 if_printf_on_off(get_wcache," setting drive write-caching to %ld", wcache);
2142 #ifdef DO_FLUSHCACHE
2143 if (!wcache && ioctl(fd, HDIO_DRIVE_CMD, &flushcache))
2144 bb_perror_msg ("HDIO_DRIVE_CMD(flushcache)");
2145 #endif /* DO_FLUSHCACHE */
2146 bb_ioctl(fd, HDIO_DRIVE_CMD, &args, "HDIO_DRIVE_CMD(setcache)");
2147 #ifdef DO_FLUSHCACHE
2148 if (!wcache && ioctl(fd, HDIO_DRIVE_CMD, &flushcache))
2149 bb_perror_msg ("HDIO_DRIVE_CMD(flushcache)");
2150 #endif /* DO_FLUSHCACHE */
2154 #ifndef WIN_STANDBYNOW1
2155 #define WIN_STANDBYNOW1 0xE0
2157 #ifndef WIN_STANDBYNOW2
2158 #define WIN_STANDBYNOW2 0x94
2160 unsigned char args1[4] = {WIN_STANDBYNOW1,0,0,0};
2161 unsigned char args2[4] = {WIN_STANDBYNOW2,0,0,0};
2163 if_printf(get_standbynow," issuing standby command\n");
2164 if (ioctl(fd, HDIO_DRIVE_CMD, &args1)
2165 && ioctl(fd, HDIO_DRIVE_CMD, &args2))
2166 bb_perror_msg("HDIO_DRIVE_CMD(standby)");
2170 #ifndef WIN_SLEEPNOW1
2171 #define WIN_SLEEPNOW1 0xE6
2173 #ifndef WIN_SLEEPNOW2
2174 #define WIN_SLEEPNOW2 0x99
2176 unsigned char args1[4] = {WIN_SLEEPNOW1,0,0,0};
2177 unsigned char args2[4] = {WIN_SLEEPNOW2,0,0,0};
2179 if_printf(get_sleepnow," issuing sleep command\n");
2180 if (ioctl(fd, HDIO_DRIVE_CMD, &args1)
2181 && ioctl(fd, HDIO_DRIVE_CMD, &args2))
2182 bb_perror_msg("HDIO_DRIVE_CMD(sleep)");
2186 unsigned char args[4] = {0xfb,0,0,0};
2189 if_printf(get_seagate," disabling Seagate auto powersaving mode\n");
2190 bb_ioctl(fd, HDIO_DRIVE_CMD, &args, "HDIO_DRIVE_CMD(seagatepwrsave)");
2194 unsigned char args[4] = {WIN_SETIDLE1,standby_requested,0,0};
2199 printf(" setting standby to %lu", standby_requested);
2200 interpret_standby(standby_requested);
2202 bb_ioctl(fd, HDIO_DRIVE_CMD, &args, "HDIO_DRIVE_CMD(setidle1)");
2204 #else /* HDIO_DRIVE_CMD */
2205 if (force_operation)
2208 flush_buffer_cache(fd);
2209 if (-1 == read(fd, buf, sizeof(buf)))
2210 bb_error_msg("access failed");
2212 #endif /* HDIO_DRIVE_CMD */
2217 if ((verbose && !is_scsi_hd && !is_xt_hd) || get_mult || get_identity)
2221 if (ioctl(fd, HDIO_GET_MULTCOUNT, &multcount))
2223 if ((verbose && !is_xt_hd) || get_mult)
2224 bb_perror_msg("HDIO_GET_MULTCOUNT");
2226 else if (verbose | get_mult)
2228 printf(" multcount = %2ld", multcount);
2232 if ((verbose && !is_scsi_hd && !is_xt_hd) || get_io32bit)
2236 if(ioctl(fd, HDIO_GET_32BIT, &parm))
2237 bb_perror_msg("HDIO_GET_32BIT");
2240 printf(" IO_support =%3ld (", parm);
2246 printf("16-bit)\n");
2249 printf("32-bit)\n");
2252 printf("32-bit w/sync)\n");
2255 printf("Request-Queue-Bypass)\n");
2258 printf("\?\?\?)\n");
2263 if ((verbose && !is_scsi_hd && !is_xt_hd) || get_unmask)
2267 bb_ioctl_on_off(fd, HDIO_GET_UNMASKINTR,(unsigned long *)parm,
2268 "HDIO_GET_UNMASKINTR"," unmaskirq = %2ld");
2272 #ifdef CONFIG_FEATURE_HDPARM_HDIO_GETSET_DMA
2273 if ((verbose && !is_scsi_hd) || get_dma) {
2275 if(ioctl(fd, HDIO_GET_DMA, &parm))
2276 bb_perror_msg("HDIO_GET_DMA");
2279 printf(" using_dma = %2ld", parm);
2281 printf(" (DMA-Assisted-PIO)\n");
2290 bb_ioctl_on_off (fd, HDIO_GET_QDMA,(unsigned long *)parm,
2291 "HDIO_GET_QDMA"," queue_depth = %2ld");
2293 if ((verbose && !is_scsi_hd && !is_xt_hd) || get_keep)
2297 bb_ioctl_on_off (fd, HDIO_GET_KEEPSETTINGS,(unsigned long *)parm,
2298 "HDIO_GET_KEEPSETTINGS"," keepsettings = %2ld");
2305 bb_ioctl_on_off (fd, HDIO_GET_NOWERR,(unsigned long *)&parm,
2306 " HDIO_GET_NOWERR"," nowerr = %2ld");
2308 if (verbose || get_readonly)
2310 bb_ioctl_on_off(fd, BLKROGET,(unsigned long *)parm,
2311 " BLKROGET"," readonly = %2ld");
2313 if ((verbose && !is_scsi_hd) || get_readahead)
2315 bb_ioctl_on_off (fd, BLKRAGET, (unsigned long *) parm,
2316 " BLKRAGET"," readahead = %2ld");
2318 if (verbose || get_geom)
2320 static const char msg[] = " geometry = %u/%u/%u, sectors = %ld, start = %ld\n";
2321 static struct hd_geometry g;
2322 #ifdef HDIO_GETGEO_BIG
2323 static struct hd_big_geometry bg;
2326 if (ioctl(fd, BLKGETSIZE, &parm))
2327 bb_perror_msg("BLKGETSIZE");
2328 #ifdef HDIO_GETGEO_BIG
2329 else if (!ioctl(fd, HDIO_GETGEO_BIG, &bg))
2330 printf(msg, bg.cylinders, bg.heads, bg.sectors, parm, bg.start);
2332 else if (ioctl(fd, HDIO_GETGEO, &g))
2333 bb_perror_msg("HDIO_GETGEO");
2335 printf(msg, g.cylinders, g.heads, g.sectors, parm, g.start);
2337 #ifdef HDIO_DRIVE_CMD
2340 #ifndef WIN_CHECKPOWERMODE1
2341 #define WIN_CHECKPOWERMODE1 0xE5
2343 #ifndef WIN_CHECKPOWERMODE2
2344 #define WIN_CHECKPOWERMODE2 0x98
2346 unsigned char args[4] = {WIN_CHECKPOWERMODE1,0,0,0};
2349 if (ioctl(fd, HDIO_DRIVE_CMD, &args)
2350 && (args[0] = WIN_CHECKPOWERMODE2) /* try again with 0x98 */
2351 && ioctl(fd, HDIO_DRIVE_CMD, &args))
2353 if (errno != EIO || args[0] != 0 || args[1] != 0)
2359 state = (args[2] == 255) ? "active/idle" : "standby";
2361 printf(" drive state is: %s\n", state);
2364 #ifdef CONFIG_FEATURE_HDPARM_HDIO_DRIVE_RESET
2369 bb_ioctl(fd, HDIO_DRIVE_RESET, NULL, "HDIO_DRIVE_RESET");
2371 #endif /* CONFIG_FEATURE_HDPARM_HDIO_DRIVE_RESET */
2372 #ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
2373 if (perform_tristate)
2375 unsigned char args[4] = {0,tristate,0,0};
2378 bb_ioctl(fd, HDIO_TRISTATE_HWIF, &args, "HDIO_TRISTATE_HWIF");
2380 #endif /* CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF */
2381 #ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
2384 static struct hd_driveid id;
2389 if (!ioctl(fd, HDIO_GET_IDENTITY, &id))
2391 if (multcount != -1)
2393 id.multsect = multcount;
2394 id.multsect_valid |= 1;
2397 id.multsect_valid &= ~1;
2400 else if (errno == -ENOMSG)
2401 printf(" no identification info available\n");
2403 bb_perror_msg("HDIO_GET_IDENTITY");
2408 unsigned char args[4+512] = {WIN_IDENTIFY,0,0,1,};
2414 if (ioctl(fd, HDIO_DRIVE_CMD, &args))
2416 args[0] = WIN_PIDENTIFY;
2417 if (ioctl(fd, HDIO_DRIVE_CMD, &args))
2419 bb_perror_msg("HDIO_DRIVE_CMD(identify)");
2420 goto identify_abort;
2423 for(i=0; i<(sizeof args)/2; i+=2)
2424 __le16_to_cpus((uint16_t *)(&args[i]));
2426 identify((void *)&args[4], NULL);
2431 #ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
2437 printf(" setting bus state to %d", busstate);
2438 bus_state_value(busstate);
2440 bb_ioctl(fd, HDIO_SET_BUSSTATE, (int *)(unsigned long)busstate, "HDIO_SET_BUSSTATE");
2443 #ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
2447 if (ioctl(fd, HDIO_GET_BUSSTATE, &parm))
2448 bb_perror_msg("HDIO_GET_BUSSTATE");
2451 printf(" busstate = %2ld", parm);
2452 bus_state_value(parm);
2457 bb_ioctl(fd, BLKRRPART, NULL, "BLKRRPART");
2461 do_time(0,fd); /*time cache */
2463 do_time(1,fd); /*time device */
2465 flush_buffer_cache (fd);
2469 static char * GET_NUMBER(char *p, unsigned long *flag, unsigned long *num)
2472 while (isdigit(*p)) {
2474 *num = (*num * 10) + (*p++ - '0');
2479 static char * GET_STRING(char *p, unsigned long *flag, int *num)
2485 while (isalnum(*p) && (tmpstr - name) < 31) {
2490 *num = translate_xfermode(name);
2498 #ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
2499 static int fromhex (unsigned char c)
2501 if (c >= 'a' && c <= 'f')
2502 return 10 + (c - 'a');
2503 if (c >= '0' && c <= '9')
2505 bb_error_msg_and_die("bad char: '%c' 0x%02x", c, c);
2508 static int identify_from_stdin (void)
2510 unsigned short sbuf[800];
2511 unsigned char buf[1600], *b = (unsigned char *)buf;
2512 int i, count = read(0, buf, 1280);
2515 bb_error_msg_and_die("read(1280 bytes) failed (rc=%d)", count);
2516 for (i = 0; count >= 4; ++i)
2518 sbuf[i] = (fromhex(b[0]) << 12) | (fromhex(b[1]) << 8) | (fromhex(b[2]) << 4) | fromhex(b[3]);
2519 __le16_to_cpus((uint16_t *)(&sbuf[i]));
2523 identify(sbuf, NULL);
2528 static void missing_arg(int arg, char c, char* add)
2531 bb_error_msg("-%c: missing value %s", c, (add!=NULL)? add :"");
2534 /* our main() routine: */
2535 int hdparm_main(int argc, char **argv)
2545 #ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
2546 if (!strcmp("-Istdin", *argv))
2548 return identify_from_stdin();
2562 /*bb_error_msg_and_die("%s", VERSION);*/
2563 /* We have to return 0 here and not 1 */
2564 printf("%s %s\n",bb_applet_name, VERSION);
2565 return EXIT_SUCCESS;
2569 #ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
2590 if (!*p && argc && isdigit(**argv))
2591 p = *argv++, --argc;
2592 if((set_unmask = set_flag(p,'1'))==1)
2593 unmask = *p++ - '0';
2595 #ifdef CONFIG_FEATURE_HDPARM_HDIO_GETSET_DMA
2599 if (!*p && argc && isdigit(**argv))
2600 p = *argv++, --argc;
2601 if((set_dma = set_flag(p,'9'))==1)
2604 #endif /* CONFIG_FEATURE_HDPARM_HDIO_GETSET_DMA */
2608 if (!*p && argc && isdigit(**argv))
2609 p = *argv++, --argc;
2610 if((set_nowerr = set_flag(p,'1'))==1)
2611 nowerr = *p++ - '0';
2614 noisy_piomode = noisy;
2616 if (!*p && argc && isalnum(**argv))
2617 p = *argv++, --argc;
2618 p=GET_STRING(p,&set_piomode,&piomode);
2621 get_readonly = noisy;
2623 if (!*p && argc && isdigit(**argv))
2624 p = *argv++, --argc;
2625 if((set_readonly = set_flag(p,'1'))==1)
2626 readonly = *p++ - '0';
2631 if (!*p && argc && isalnum(**argv))
2632 p = *argv++, --argc;
2633 p=GET_NUMBER(p,&set_mult,&mult);
2636 get_io32bit = noisy;
2638 if (!*p && argc && isalnum(**argv))
2639 p = *argv++, --argc;
2640 p=GET_NUMBER(p,&set_io32bit,&io32bit);
2642 #ifdef HDIO_DRIVE_CMD
2644 get_standby = noisy;
2646 if (!*p && argc && isalnum(**argv))
2647 p = *argv++, --argc;
2648 p=GET_NUMBER(p,&set_standby,&standby_requested);
2649 missing_arg(set_standby, c, NULL);
2653 get_defects = noisy;
2655 if (!*p && argc && isalnum(**argv))
2656 p = *argv++, --argc;
2657 p=GET_NUMBER(p,&set_defects,&defects);
2658 missing_arg(set_defects, c, NULL);
2661 get_prefetch = noisy;
2663 if (!*p && argc && isalnum(**argv))
2664 p = *argv++, --argc;
2665 p=GET_NUMBER(p,&set_prefetch,&prefetch);
2666 missing_arg(set_prefetch, c, NULL);
2670 get_xfermode = noisy;
2672 if (!*p && argc && isalnum(**argv))
2673 p = *argv++, --argc;
2674 p=GET_STRING(p,&set_xfermode,&xfermode_requested);
2675 missing_arg(set_xfermode, c, NULL);
2681 if (!*p && argc && isdigit(**argv))
2682 p = *argv++, --argc;
2683 if((set_dkeep = set_flag(p,'1'))==1)
2686 goto missing_arg_error;
2690 get_lookahead = noisy;
2692 if (!*p && argc && isdigit(**argv))
2693 p = *argv++, --argc;
2694 if((set_lookahead = set_flag(p,'1'))==1)
2695 lookahead = *p++ - '0';
2697 goto missing_arg_error;
2701 get_doorlock = noisy;
2703 if (!*p && argc && isdigit(**argv))
2704 p = *argv++, --argc;
2705 if((set_doorlock = set_flag(p,'1'))==1)
2706 doorlock = *p++ - '0';
2708 goto missing_arg_error;
2714 if (!*p && argc && isdigit(**argv))
2715 p = *argv++, --argc;
2716 if((set_wcache = set_flag(p,'1'))==1)
2717 wcache = *p++ - '0';
2720 missing_arg(1, c, "(0/1)");
2724 get_powermode = noisy;
2729 get_standbynow = noisy;
2735 get_sleepnow = noisy;
2745 get_seagate = noisy;
2749 #endif /* HDIO_DRIVE_CMD */
2753 if (!*p && argc && isdigit(**argv))
2754 p = *argv++, --argc;
2755 if((set_keep = set_flag(p,'1'))==1)
2758 #ifdef CONFIG_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF
2760 if (!*p && argc && isdigit(**argv))
2761 p = *argv++, --argc;
2763 goto expected_hwif_error; /* "expected hwif_nr" */
2765 sscanf(p++, "%i", &hwif);
2767 unregister_hwif = 1;
2769 #endif /* CONFIG_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF */
2770 #ifdef CONFIG_FEATURE_HDPARM_HDIO_SCAN_HWIF
2772 if (!*p && argc && isdigit(**argv))
2773 p = *argv++, --argc;
2775 goto expected_hwif_error; /* "expected hwif_data" */
2777 sscanf(p++, "%i", &hwif_data);
2779 if (argc && isdigit(**argv))
2780 p = *argv++, --argc;
2782 goto expected_hwif_error; /* "expected hwif_ctrl" */
2784 sscanf(p, "%i", &hwif_ctrl);
2786 if (argc && isdigit(**argv))
2787 p = *argv++, --argc;
2789 expected_hwif_error:
2790 bb_error_msg_and_die("expected hwif value"); /* "expected hwif_irq" */
2792 sscanf(p, "%i", &hwif_irq);
2798 #endif /* CONFIG_FEATURE_HDPARM_HDIO_SCAN_HWIF */
2800 #ifdef HDIO_GET_QDMA
2803 #ifdef HDIO_SET_QDMA
2804 if (!*p && argc && isalnum(**argv))
2805 p = *argv++, --argc;
2806 p=GET_NUMBER(p,&set_dma_q,&dma_q);
2807 #ifdef HDIO_GET_QDMA
2814 #ifdef CONFIG_FEATURE_HDPARM_HDIO_DRIVE_RESET
2818 #endif /* CONFIG_FEATURE_HDPARM_HDIO_DRIVE_RESET */
2819 #ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
2821 if (!*p && argc && isdigit(**argv))
2822 p = *argv++, --argc;
2823 if((perform_tristate = set_flag(p,'1'))==1)
2824 tristate = *p++ - '0';
2826 missing_arg(1, c, "(0/1)");
2829 #endif /* CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF */
2831 get_readahead = noisy;
2833 if (!*p && argc && isalnum(**argv))
2834 p = *argv++, --argc;
2835 p=GET_NUMBER(p,&set_readahead,&Xreadahead);
2838 get_apmmode = noisy;
2840 if (!*p && argc && isalnum(**argv))
2841 p = *argv++, --argc;
2842 p=GET_NUMBER(p,&set_apmmode,&apmmode);
2843 missing_arg(set_apmmode, c, "(1-255)");
2853 #ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
2855 get_busstate = noisy;
2857 if (!*p && argc && isdigit(**argv))
2858 p = *argv++, --argc;
2859 if((set_busstate = set_flag(p,'2'))==1)
2860 busstate = *p++ - '0';