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-rw-r--r--miscutils/hdparm.c2184
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diff --git a/miscutils/hdparm.c b/miscutils/hdparm.c
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1/* vi: set sw=4 ts=4: */
2/*
3 * hdparm implementation for busybox
4 *
5 * Copyright (C) [2003] by [Matteo Croce] <3297627799@wind.it>
6 * Hacked by Tito <farmatito@tiscali.it> for size optimization.
7 *
8 * Licensed under the GPL v2 or later, see the file LICENSE in this tarball.
9 *
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
13 */
14
15#include "busybox.h"
16#include <linux/hdreg.h>
17
18/* device types */
19/* ------------ */
20#define NO_DEV 0xffff
21#define ATA_DEV 0x0000
22#define ATAPI_DEV 0x0001
23
24/* word definitions */
25/* ---------------- */
26#define GEN_CONFIG 0 /* general configuration */
27#define LCYLS 1 /* number of logical cylinders */
28#define CONFIG 2 /* specific configuration */
29#define LHEADS 3 /* number of logical heads */
30#define TRACK_BYTES 4 /* number of bytes/track (ATA-1) */
31#define SECT_BYTES 5 /* number of bytes/sector (ATA-1) */
32#define LSECTS 6 /* number of logical sectors/track */
33#define START_SERIAL 10 /* ASCII serial number */
34#define LENGTH_SERIAL 10 /* 10 words (20 bytes or characters) */
35#define BUF_TYPE 20 /* buffer type (ATA-1) */
36#define BUFFER__SIZE 21 /* buffer size (ATA-1) */
37#define RW_LONG 22 /* extra bytes in R/W LONG cmd ( < ATA-4)*/
38#define START_FW_REV 23 /* ASCII firmware revision */
39#define LENGTH_FW_REV 4 /* 4 words (8 bytes or characters) */
40#define START_MODEL 27 /* ASCII model number */
41#define LENGTH_MODEL 20 /* 20 words (40 bytes or characters) */
42#define SECTOR_XFER_MAX 47 /* r/w multiple: max sectors xfered */
43#define DWORD_IO 48 /* can do double-word IO (ATA-1 only) */
44#define CAPAB_0 49 /* capabilities */
45#define CAPAB_1 50
46#define PIO_MODE 51 /* max PIO mode supported (obsolete)*/
47#define DMA_MODE 52 /* max Singleword DMA mode supported (obs)*/
48#define WHATS_VALID 53 /* what fields are valid */
49#define LCYLS_CUR 54 /* current logical cylinders */
50#define LHEADS_CUR 55 /* current logical heads */
51#define LSECTS_CUR 56 /* current logical sectors/track */
52#define CAPACITY_LSB 57 /* current capacity in sectors */
53#define CAPACITY_MSB 58
54#define SECTOR_XFER_CUR 59 /* r/w multiple: current sectors xfered */
55#define LBA_SECTS_LSB 60 /* LBA: total number of user */
56#define LBA_SECTS_MSB 61 /* addressable sectors */
57#define SINGLE_DMA 62 /* singleword DMA modes */
58#define MULTI_DMA 63 /* multiword DMA modes */
59#define ADV_PIO_MODES 64 /* advanced PIO modes supported */
60 /* multiword DMA xfer cycle time: */
61#define DMA_TIME_MIN 65 /* - minimum */
62#define DMA_TIME_NORM 66 /* - manufacturer's recommended */
63 /* minimum PIO xfer cycle time: */
64#define PIO_NO_FLOW 67 /* - without flow control */
65#define PIO_FLOW 68 /* - with IORDY flow control */
66#define PKT_REL 71 /* typical #ns from PKT cmd to bus rel */
67#define SVC_NBSY 72 /* typical #ns from SERVICE cmd to !BSY */
68#define CDR_MAJOR 73 /* CD ROM: major version number */
69#define CDR_MINOR 74 /* CD ROM: minor version number */
70#define QUEUE_DEPTH 75 /* queue depth */
71#define MAJOR 80 /* major version number */
72#define MINOR 81 /* minor version number */
73#define CMDS_SUPP_0 82 /* command/feature set(s) supported */
74#define CMDS_SUPP_1 83
75#define CMDS_SUPP_2 84
76#define CMDS_EN_0 85 /* command/feature set(s) enabled */
77#define CMDS_EN_1 86
78#define CMDS_EN_2 87
79#define ULTRA_DMA 88 /* ultra DMA modes */
80 /* time to complete security erase */
81#define ERASE_TIME 89 /* - ordinary */
82#define ENH_ERASE_TIME 90 /* - enhanced */
83#define ADV_PWR 91 /* current advanced power management level
84 in low byte, 0x40 in high byte. */
85#define PSWD_CODE 92 /* master password revision code */
86#define HWRST_RSLT 93 /* hardware reset result */
87#define ACOUSTIC 94 /* acoustic mgmt values ( >= ATA-6) */
88#define LBA_LSB 100 /* LBA: maximum. Currently only 48 */
89#define LBA_MID 101 /* bits are used, but addr 103 */
90#define LBA_48_MSB 102 /* has been reserved for LBA in */
91#define LBA_64_MSB 103 /* the future. */
92#define RM_STAT 127 /* removable media status notification feature set support */
93#define SECU_STATUS 128 /* security status */
94#define CFA_PWR_MODE 160 /* CFA power mode 1 */
95#define START_MEDIA 176 /* media serial number */
96#define LENGTH_MEDIA 20 /* 20 words (40 bytes or characters)*/
97#define START_MANUF 196 /* media manufacturer I.D. */
98#define LENGTH_MANUF 10 /* 10 words (20 bytes or characters) */
99#define INTEGRITY 255 /* integrity word */
100
101/* bit definitions within the words */
102/* -------------------------------- */
103
104/* many words are considered valid if bit 15 is 0 and bit 14 is 1 */
105#define VALID 0xc000
106#define VALID_VAL 0x4000
107/* many words are considered invalid if they are either all-0 or all-1 */
108#define NOVAL_0 0x0000
109#define NOVAL_1 0xffff
110
111/* word 0: gen_config */
112#define NOT_ATA 0x8000
113#define NOT_ATAPI 0x4000 /* (check only if bit 15 == 1) */
114#define MEDIA_REMOVABLE 0x0080
115#define DRIVE_NOT_REMOVABLE 0x0040 /* bit obsoleted in ATA 6 */
116#define INCOMPLETE 0x0004
117#define CFA_SUPPORT_VAL 0x848a /* 848a=CFA feature set support */
118#define DRQ_RESPONSE_TIME 0x0060
119#define DRQ_3MS_VAL 0x0000
120#define DRQ_INTR_VAL 0x0020
121#define DRQ_50US_VAL 0x0040
122#define PKT_SIZE_SUPPORTED 0x0003
123#define PKT_SIZE_12_VAL 0x0000
124#define PKT_SIZE_16_VAL 0x0001
125#define EQPT_TYPE 0x1f00
126#define SHIFT_EQPT 8
127
128#define CDROM 0x0005
129
130#ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
131static const char * const pkt_str[] = {
132 "Direct-access device", /* word 0, bits 12-8 = 00 */
133 "Sequential-access device", /* word 0, bits 12-8 = 01 */
134 "Printer", /* word 0, bits 12-8 = 02 */
135 "Processor", /* word 0, bits 12-8 = 03 */
136 "Write-once device", /* word 0, bits 12-8 = 04 */
137 "CD-ROM", /* word 0, bits 12-8 = 05 */
138 "Scanner", /* word 0, bits 12-8 = 06 */
139 "Optical memory", /* word 0, bits 12-8 = 07 */
140 "Medium changer", /* word 0, bits 12-8 = 08 */
141 "Communications device", /* word 0, bits 12-8 = 09 */
142 "ACS-IT8 device", /* word 0, bits 12-8 = 0a */
143 "ACS-IT8 device", /* word 0, bits 12-8 = 0b */
144 "Array controller", /* word 0, bits 12-8 = 0c */
145 "Enclosure services", /* word 0, bits 12-8 = 0d */
146 "Reduced block command device", /* word 0, bits 12-8 = 0e */
147 "Optical card reader/writer", /* word 0, bits 12-8 = 0f */
148 "", /* word 0, bits 12-8 = 10 */
149 "", /* word 0, bits 12-8 = 11 */
150 "", /* word 0, bits 12-8 = 12 */
151 "", /* word 0, bits 12-8 = 13 */
152 "", /* word 0, bits 12-8 = 14 */
153 "", /* word 0, bits 12-8 = 15 */
154 "", /* word 0, bits 12-8 = 16 */
155 "", /* word 0, bits 12-8 = 17 */
156 "", /* word 0, bits 12-8 = 18 */
157 "", /* word 0, bits 12-8 = 19 */
158 "", /* word 0, bits 12-8 = 1a */
159 "", /* word 0, bits 12-8 = 1b */
160 "", /* word 0, bits 12-8 = 1c */
161 "", /* word 0, bits 12-8 = 1d */
162 "", /* word 0, bits 12-8 = 1e */
163 "Unknown", /* word 0, bits 12-8 = 1f */
164};
165
166static const char * const ata1_cfg_str[] = { /* word 0 in ATA-1 mode */
167 "Reserved", /* bit 0 */
168 "hard sectored", /* bit 1 */
169 "soft sectored", /* bit 2 */
170 "not MFM encoded ", /* bit 3 */
171 "head switch time > 15us", /* bit 4 */
172 "spindle motor control option", /* bit 5 */
173 "fixed drive", /* bit 6 */
174 "removable drive", /* bit 7 */
175 "disk xfer rate <= 5Mbs", /* bit 8 */
176 "disk xfer rate > 5Mbs, <= 10Mbs", /* bit 9 */
177 "disk xfer rate > 5Mbs", /* bit 10 */
178 "rotational speed tol.", /* bit 11 */
179 "data strobe offset option", /* bit 12 */
180 "track offset option", /* bit 13 */
181 "format speed tolerance gap reqd", /* bit 14 */
182 "ATAPI" /* bit 14 */
183};
184#endif
185
186/* word 1: number of logical cylinders */
187#define LCYLS_MAX 0x3fff /* maximum allowable value */
188
189/* word 2: specific configuration
190 * (a) require SET FEATURES to spin-up
191 * (b) require spin-up to fully reply to IDENTIFY DEVICE
192 */
193#define STBY_NID_VAL 0x37c8 /* (a) and (b) */
194#define STBY_ID_VAL 0x738c /* (a) and not (b) */
195#define PWRD_NID_VAL 0x8c73 /* not (a) and (b) */
196#define PWRD_ID_VAL 0xc837 /* not (a) and not (b) */
197
198/* words 47 & 59: sector_xfer_max & sector_xfer_cur */
199#define SECTOR_XFER 0x00ff /* sectors xfered on r/w multiple cmds*/
200#define MULTIPLE_SETTING_VALID 0x0100 /* 1=multiple sector setting is valid */
201
202/* word 49: capabilities 0 */
203#define STD_STBY 0x2000 /* 1=standard values supported (ATA);
204 0=vendor specific values */
205#define IORDY_SUP 0x0800 /* 1=support; 0=may be supported */
206#define IORDY_OFF 0x0400 /* 1=may be disabled */
207#define LBA_SUP 0x0200 /* 1=Logical Block Address support */
208#define DMA_SUP 0x0100 /* 1=Direct Memory Access support */
209#define DMA_IL_SUP 0x8000 /* 1=interleaved DMA support (ATAPI) */
210#define CMD_Q_SUP 0x4000 /* 1=command queuing support (ATAPI) */
211#define OVLP_SUP 0x2000 /* 1=overlap operation support (ATAPI) */
212#define SWRST_REQ 0x1000 /* 1=ATA SW reset required (ATAPI, obsolete */
213
214/* word 50: capabilities 1 */
215#define MIN_STANDBY_TIMER 0x0001 /* 1=device specific standby timer value minimum */
216
217/* words 51 & 52: PIO & DMA cycle times */
218#define MODE 0xff00 /* the mode is in the MSBs */
219
220/* word 53: whats_valid */
221#define OK_W88 0x0004 /* the ultra_dma info is valid */
222#define OK_W64_70 0x0002 /* see above for word descriptions */
223#define OK_W54_58 0x0001 /* current cyl, head, sector, cap. info valid */
224
225/*word 63,88: dma_mode, ultra_dma_mode*/
226#define MODE_MAX 7 /* bit definitions force udma <=7 (when
227 * udma >=8 comes out it'll have to be
228 * defined in a new dma_mode word!) */
229
230/* word 64: PIO transfer modes */
231#define PIO_SUP 0x00ff /* only bits 0 & 1 are used so far, */
232#define PIO_MODE_MAX 8 /* but all 8 bits are defined */
233
234/* word 75: queue_depth */
235#define DEPTH_BITS 0x001f /* bits used for queue depth */
236
237/* words 80-81: version numbers */
238/* NOVAL_0 or NOVAL_1 means device does not report version */
239
240/* word 81: minor version number */
241#define MINOR_MAX 0x22
242#ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
243static const char *minor_str[MINOR_MAX+2] = { /* word 81 value: */
244 "Unspecified", /* 0x0000 */
245 "ATA-1 X3T9.2 781D prior to rev.4", /* 0x0001 */
246 "ATA-1 published, ANSI X3.221-1994", /* 0x0002 */
247 "ATA-1 X3T9.2 781D rev.4", /* 0x0003 */
248 "ATA-2 published, ANSI X3.279-1996", /* 0x0004 */
249 "ATA-2 X3T10 948D prior to rev.2k", /* 0x0005 */
250 "ATA-3 X3T10 2008D rev.1", /* 0x0006 */
251 "ATA-2 X3T10 948D rev.2k", /* 0x0007 */
252 "ATA-3 X3T10 2008D rev.0", /* 0x0008 */
253 "ATA-2 X3T10 948D rev.3", /* 0x0009 */
254 "ATA-3 published, ANSI X3.298-199x", /* 0x000a */
255 "ATA-3 X3T10 2008D rev.6", /* 0x000b */
256 "ATA-3 X3T13 2008D rev.7 and 7a", /* 0x000c */
257 "ATA/ATAPI-4 X3T13 1153D rev.6", /* 0x000d */
258 "ATA/ATAPI-4 T13 1153D rev.13", /* 0x000e */
259 "ATA/ATAPI-4 X3T13 1153D rev.7", /* 0x000f */
260 "ATA/ATAPI-4 T13 1153D rev.18", /* 0x0010 */
261 "ATA/ATAPI-4 T13 1153D rev.15", /* 0x0011 */
262 "ATA/ATAPI-4 published, ANSI INCITS 317-1998", /* 0x0012 */
263 "ATA/ATAPI-5 T13 1321D rev.3",
264 "ATA/ATAPI-4 T13 1153D rev.14", /* 0x0014 */
265 "ATA/ATAPI-5 T13 1321D rev.1", /* 0x0015 */
266 "ATA/ATAPI-5 published, ANSI INCITS 340-2000", /* 0x0016 */
267 "ATA/ATAPI-4 T13 1153D rev.17", /* 0x0017 */
268 "ATA/ATAPI-6 T13 1410D rev.0", /* 0x0018 */
269 "ATA/ATAPI-6 T13 1410D rev.3a", /* 0x0019 */
270 "ATA/ATAPI-7 T13 1532D rev.1", /* 0x001a */
271 "ATA/ATAPI-6 T13 1410D rev.2", /* 0x001b */
272 "ATA/ATAPI-6 T13 1410D rev.1", /* 0x001c */
273 "ATA/ATAPI-7 published, ANSI INCITS 397-2005", /* 0x001d */
274 "ATA/ATAPI-7 T13 1532D rev.0", /* 0x001e */
275 "Reserved" /* 0x001f */
276 "Reserved" /* 0x0020 */
277 "ATA/ATAPI-7 T13 1532D rev.4a", /* 0x0021 */
278 "ATA/ATAPI-6 published, ANSI INCITS 361-2002", /* 0x0022 */
279 "Reserved" /* 0x0023-0xfffe*/
280};
281#endif
282static const char actual_ver[MINOR_MAX+2] = {
283 /* word 81 value: */
284 0, /* 0x0000 WARNING: */
285 1, /* 0x0001 WARNING: */
286 1, /* 0x0002 WARNING: */
287 1, /* 0x0003 WARNING: */
288 2, /* 0x0004 WARNING: This array */
289 2, /* 0x0005 WARNING: corresponds */
290 3, /* 0x0006 WARNING: *exactly* */
291 2, /* 0x0007 WARNING: to the ATA/ */
292 3, /* 0x0008 WARNING: ATAPI version */
293 2, /* 0x0009 WARNING: listed in */
294 3, /* 0x000a WARNING: the */
295 3, /* 0x000b WARNING: minor_str */
296 3, /* 0x000c WARNING: array */
297 4, /* 0x000d WARNING: above. */
298 4, /* 0x000e WARNING: */
299 4, /* 0x000f WARNING: if you change */
300 4, /* 0x0010 WARNING: that one, */
301 4, /* 0x0011 WARNING: change this one */
302 4, /* 0x0012 WARNING: too!!! */
303 5, /* 0x0013 WARNING: */
304 4, /* 0x0014 WARNING: */
305 5, /* 0x0015 WARNING: */
306 5, /* 0x0016 WARNING: */
307 4, /* 0x0017 WARNING: */
308 6, /* 0x0018 WARNING: */
309 6, /* 0x0019 WARNING: */
310 7, /* 0x001a WARNING: */
311 6, /* 0x001b WARNING: */
312 6, /* 0x001c WARNING: */
313 7, /* 0x001d WARNING: */
314 7, /* 0x001e WARNING: */
315 0, /* 0x001f WARNING: */
316 0, /* 0x0020 WARNING: */
317 7, /* 0x0021 WARNING: */
318 6, /* 0x0022 WARNING: */
319 0 /* 0x0023-0xfffe */
320};
321
322/* words 82-84: cmds/feats supported */
323#define CMDS_W82 0x77ff /* word 82: defined command locations*/
324#define CMDS_W83 0x3fff /* word 83: defined command locations*/
325#define CMDS_W84 0x002f /* word 83: defined command locations*/
326#define SUPPORT_48_BIT 0x0400
327#define NUM_CMD_FEAT_STR 48
328
329#ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
330static const char * const cmd_feat_str[] = {
331 "", /* word 82 bit 15: obsolete */
332 "NOP cmd", /* word 82 bit 14 */
333 "READ BUFFER cmd", /* word 82 bit 13 */
334 "WRITE BUFFER cmd", /* word 82 bit 12 */
335 "", /* word 82 bit 11: obsolete */
336 "Host Protected Area feature set", /* word 82 bit 10 */
337 "DEVICE RESET cmd", /* word 82 bit 9 */
338 "SERVICE interrupt", /* word 82 bit 8 */
339 "Release interrupt", /* word 82 bit 7 */
340 "Look-ahead", /* word 82 bit 6 */
341 "Write cache", /* word 82 bit 5 */
342 "PACKET command feature set", /* word 82 bit 4 */
343 "Power Management feature set", /* word 82 bit 3 */
344 "Removable Media feature set", /* word 82 bit 2 */
345 "Security Mode feature set", /* word 82 bit 1 */
346 "SMART feature set", /* word 82 bit 0 */
347 /* --------------*/
348 "", /* word 83 bit 15: !valid bit */
349 "", /* word 83 bit 14: valid bit */
350 "FLUSH CACHE EXT cmd", /* word 83 bit 13 */
351 "Mandatory FLUSH CACHE cmd ", /* word 83 bit 12 */
352 "Device Configuration Overlay feature set ",
353 "48-bit Address feature set ", /* word 83 bit 10 */
354 "",
355 "SET MAX security extension", /* word 83 bit 8 */
356 "Address Offset Reserved Area Boot", /* word 83 bit 7 */
357 "SET FEATURES subcommand required to spinup after power up",
358 "Power-Up In Standby feature set", /* word 83 bit 5 */
359 "Removable Media Status Notification feature set",
360 "Adv. Power Management feature set",/* word 83 bit 3 */
361 "CFA feature set", /* word 83 bit 2 */
362 "READ/WRITE DMA QUEUED", /* word 83 bit 1 */
363 "DOWNLOAD MICROCODE cmd", /* word 83 bit 0 */
364 /* --------------*/
365 "", /* word 84 bit 15: !valid bit */
366 "", /* word 84 bit 14: valid bit */
367 "", /* word 84 bit 13: reserved */
368 "", /* word 84 bit 12: reserved */
369 "", /* word 84 bit 11: reserved */
370 "", /* word 84 bit 10: reserved */
371 "", /* word 84 bit 9: reserved */
372 "", /* word 84 bit 8: reserved */
373 "", /* word 84 bit 7: reserved */
374 "", /* word 84 bit 6: reserved */
375 "General Purpose Logging feature set", /* word 84 bit 5 */
376 "", /* word 84 bit 4: reserved */
377 "Media Card Pass Through Command feature set ",
378 "Media serial number ", /* word 84 bit 2 */
379 "SMART self-test ", /* word 84 bit 1 */
380 "SMART error logging " /* word 84 bit 0 */
381};
382
383static void identify(uint16_t *id_supplied) ATTRIBUTE_NORETURN;
384static void identify_from_stdin(void) ATTRIBUTE_NORETURN;
385#else
386void identify_from_stdin(void);
387#endif
388
389
390/* words 85-87: cmds/feats enabled */
391/* use cmd_feat_str[] to display what commands and features have
392 * been enabled with words 85-87
393 */
394
395/* words 89, 90, SECU ERASE TIME */
396#define ERASE_BITS 0x00ff
397
398/* word 92: master password revision */
399/* NOVAL_0 or NOVAL_1 means no support for master password revision */
400
401/* word 93: hw reset result */
402#define CBLID 0x2000 /* CBLID status */
403#define RST0 0x0001 /* 1=reset to device #0 */
404#define DEV_DET 0x0006 /* how device num determined */
405#define JUMPER_VAL 0x0002 /* device num determined by jumper */
406#define CSEL_VAL 0x0004 /* device num determined by CSEL_VAL */
407
408/* word 127: removable media status notification feature set support */
409#define RM_STAT_BITS 0x0003
410#define RM_STAT_SUP 0x0001
411
412/* word 128: security */
413#define SECU_ENABLED 0x0002
414#define SECU_LEVEL 0x0010
415#define NUM_SECU_STR 6
416#ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
417static const char * const secu_str[] = {
418 "supported", /* word 128, bit 0 */
419 "enabled", /* word 128, bit 1 */
420 "locked", /* word 128, bit 2 */
421 "frozen", /* word 128, bit 3 */
422 "expired: security count", /* word 128, bit 4 */
423 "supported: enhanced erase" /* word 128, bit 5 */
424};
425#endif
426
427/* word 160: CFA power mode */
428#define VALID_W160 0x8000 /* 1=word valid */
429#define PWR_MODE_REQ 0x2000 /* 1=CFA power mode req'd by some cmds*/
430#define PWR_MODE_OFF 0x1000 /* 1=CFA power moded disabled */
431#define MAX_AMPS 0x0fff /* value = max current in ma */
432
433/* word 255: integrity */
434#define SIG 0x00ff /* signature location */
435#define SIG_VAL 0x00A5 /* signature value */
436
437#define TIMING_MB 64
438#define TIMING_BUF_MB 1
439#define TIMING_BUF_BYTES (TIMING_BUF_MB * 1024 * 1024)
440#define TIMING_BUF_COUNT (timing_MB / TIMING_BUF_MB)
441#define BUFCACHE_FACTOR 2
442
443#undef DO_FLUSHCACHE /* under construction: force cache flush on -W0 */
444
445/* Busybox messages and functions */
446static int bb_ioctl(int fd, int request, void *argp, const char *string)
447{
448 int e = ioctl(fd, request, argp);
449 if (e && string)
450 bb_perror_msg(" %s", string);
451 return e;
452}
453
454static int bb_ioctl_alt(int fd, int cmd, unsigned char *args, int alt, const char *string)
455{
456 if (!ioctl(fd, cmd, args))
457 return 0;
458 args[0] = alt;
459 return bb_ioctl(fd, cmd, args, string);
460}
461
462static void on_off(unsigned int value);
463
464static void print_flag_on_off(unsigned long get_arg, const char *s, unsigned long arg)
465{
466
467 if (get_arg)
468 {
469 printf(" setting %s to %ld", s, arg);
470 on_off(arg);
471 }
472}
473
474static void bb_ioctl_on_off(int fd, int request, void *argp, const char *string,
475 const char * str)
476{
477 if (ioctl(fd, request, &argp) != 0)
478 bb_perror_msg(" %s", string);
479 else
480 {
481 printf(" %s\t= %2ld", str, (unsigned long) argp);
482 on_off((unsigned long) argp);
483 }
484}
485
486#ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
487static void print_ascii(uint16_t *p, uint8_t length);
488
489static void xprint_ascii(uint16_t *val ,int i, char * string, int n)
490{
491 if (val[i])
492 {
493 printf("\t%-20s",string);
494 print_ascii(&val[i], n);
495 }
496}
497#endif
498/* end of busybox specific stuff */
499
500#ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
501static uint8_t mode_loop(uint16_t mode_sup, uint16_t mode_sel, int cc, uint8_t *have_mode)
502{
503 uint16_t ii;
504 uint8_t err_dma = 0;
505
506 for (ii = 0; ii <= MODE_MAX; ii++)
507 {
508 if (mode_sel & 0x0001)
509 {
510 printf("*%cdma%u ",cc,ii);
511 if (*have_mode)
512 err_dma = 1;
513 *have_mode = 1;
514 }
515 else if (mode_sup & 0x0001)
516 printf("%cdma%u ",cc,ii);
517
518 mode_sup >>=1;
519 mode_sel >>=1;
520 }
521 return err_dma;
522}
523
524static void print_ascii(uint16_t *p, uint8_t length) {
525 uint8_t ii;
526 char cl;
527
528 /* find first non-space & print it */
529 for (ii = 0; ii< length; ii++)
530 {
531 if (((char) 0x00ff&((*p)>>8)) != ' ')
532 break;
533 if ((cl = (char) 0x00ff&(*p)) != ' ')
534 {
535 if (cl != '\0') printf("%c",cl);
536 p++;
537 ii++;
538 break;
539 }
540 p++;
541 }
542 /* print the rest */
543 for (; ii< length; ii++)
544 {
545 if (!(*p))
546 break; /* some older devices have NULLs */
547 printf("%c%c",(char)0x00ff&((*p)>>8),(char)(*p)&0x00ff);
548 p++;
549 }
550 puts("");
551}
552
553// Parse 512 byte disk identification block and print much crap.
554
555static void identify(uint16_t *id_supplied)
556{
557 uint16_t buf[256];
558 uint16_t *val, ii, jj, kk;
559 uint16_t like_std = 1, std = 0, min_std = 0xffff;
560 uint16_t dev = NO_DEV, eqpt = NO_DEV;
561 uint8_t have_mode = 0, err_dma = 0;
562 uint8_t chksum = 0;
563 uint32_t ll, mm, nn, oo;
564 uint64_t bbbig; /* (:) */
565 const char *strng;
566
567 // Adjust for endianness if necessary.
568
569 if (BB_BIG_ENDIAN) {
570 swab(id_supplied, buf, sizeof(buf));
571 val = buf;
572 } else val = id_supplied;
573
574 chksum &= 0xff;
575
576 /* check if we recognise the device type */
577 puts("");
578 if (!(val[GEN_CONFIG] & NOT_ATA))
579 {
580 dev = ATA_DEV;
581 printf("ATA device, with ");
582 }
583 else if (val[GEN_CONFIG]==CFA_SUPPORT_VAL)
584 {
585 dev = ATA_DEV;
586 like_std = 4;
587 printf("CompactFlash ATA device, with ");
588 }
589 else if (!(val[GEN_CONFIG] & NOT_ATAPI))
590 {
591 dev = ATAPI_DEV;
592 eqpt = (val[GEN_CONFIG] & EQPT_TYPE) >> SHIFT_EQPT;
593 printf("ATAPI %s, with ", pkt_str[eqpt]);
594 like_std = 3;
595 }
596 else
597 /*"Unknown device type:\n\tbits 15&14 of general configuration word 0 both set to 1.\n"*/
598 bb_error_msg_and_die("unknown device type");
599
600 printf("%sremovable media\n", !(val[GEN_CONFIG] & MEDIA_REMOVABLE) ? "non-" : "");
601 /* Info from the specific configuration word says whether or not the
602 * ID command completed correctly. It is only defined, however in
603 * ATA/ATAPI-5 & 6; it is reserved (value theoretically 0) in prior
604 * standards. Since the values allowed for this word are extremely
605 * specific, it should be safe to check it now, even though we don't
606 * know yet what standard this device is using.
607 */
608 if ((val[CONFIG]==STBY_NID_VAL) || (val[CONFIG]==STBY_ID_VAL) ||
609 (val[CONFIG]==PWRD_NID_VAL) || (val[CONFIG]==PWRD_ID_VAL) )
610 {
611 like_std = 5;
612 if ((val[CONFIG]==STBY_NID_VAL) || (val[CONFIG]==STBY_ID_VAL))
613 printf("powers-up in standby; SET FEATURES subcmd spins-up.\n");
614 if (((val[CONFIG]==STBY_NID_VAL) || (val[CONFIG]==PWRD_NID_VAL)) && (val[GEN_CONFIG] & INCOMPLETE))
615 printf("\n\tWARNING: ID response incomplete.\n\tFollowing data may be incorrect.\n\n");
616 }
617
618 /* output the model and serial numbers and the fw revision */
619 xprint_ascii(val, START_MODEL, "Model Number:", LENGTH_MODEL);
620 xprint_ascii(val, START_SERIAL, "Serial Number:", LENGTH_SERIAL);
621 xprint_ascii(val, START_FW_REV, "Firmware Revision:", LENGTH_FW_REV);
622 xprint_ascii(val, START_MEDIA, "Media Serial Num:", LENGTH_MEDIA);
623 xprint_ascii(val, START_MANUF, "Media Manufacturer:", LENGTH_MANUF);
624
625 /* major & minor standards version number (Note: these words were not
626 * defined until ATA-3 & the CDROM std uses different words.) */
627 printf("Standards:");
628 if (eqpt != CDROM)
629 {
630 if (val[MINOR] && (val[MINOR] <= MINOR_MAX))
631 {
632 if (like_std < 3) like_std = 3;
633 std = actual_ver[val[MINOR]];
634 if (std) printf("\n\tUsed: %s ",minor_str[val[MINOR]]);
635
636 }
637 /* looks like when they up-issue the std, they obsolete one;
638 * thus, only the newest 4 issues need be supported. (That's
639 * what "kk" and "min_std" are all about.) */
640 if (val[MAJOR] && (val[MAJOR] !=NOVAL_1))
641 {
642 printf("\n\tSupported: ");
643 jj = val[MAJOR] << 1;
644 kk = like_std >4 ? like_std-4: 0;
645 for (ii = 14; (ii >0)&&(ii>kk); ii--)
646 {
647 if (jj & 0x8000)
648 {
649 printf("%u ", ii);
650 if (like_std < ii)
651 {
652 like_std = ii;
653 kk = like_std >4 ? like_std-4: 0;
654 }
655 if (min_std > ii) min_std = ii;
656 }
657 jj <<= 1;
658 }
659 if (like_std < 3) like_std = 3;
660 }
661 /* Figure out what standard the device is using if it hasn't told
662 * us. If we know the std, check if the device is using any of
663 * the words from the next level up. It happens.
664 */
665 if (like_std < std) like_std = std;
666
667 if (((std == 5) || (!std && (like_std < 6))) &&
668 ((((val[CMDS_SUPP_1] & VALID) == VALID_VAL) &&
669 (( val[CMDS_SUPP_1] & CMDS_W83) > 0x00ff)) ||
670 ((( val[CMDS_SUPP_2] & VALID) == VALID_VAL) &&
671 ( val[CMDS_SUPP_2] & CMDS_W84) ) ) )
672 {
673 like_std = 6;
674 }
675 else if (((std == 4) || (!std && (like_std < 5))) &&
676 ((((val[INTEGRITY] & SIG) == SIG_VAL) && !chksum) ||
677 (( val[HWRST_RSLT] & VALID) == VALID_VAL) ||
678 ((( val[CMDS_SUPP_1] & VALID) == VALID_VAL) &&
679 (( val[CMDS_SUPP_1] & CMDS_W83) > 0x001f)) ) )
680 {
681 like_std = 5;
682 }
683 else if (((std == 3) || (!std && (like_std < 4))) &&
684 ((((val[CMDS_SUPP_1] & VALID) == VALID_VAL) &&
685 ((( val[CMDS_SUPP_1] & CMDS_W83) > 0x0000) ||
686 (( val[CMDS_SUPP_0] & CMDS_W82) > 0x000f))) ||
687 (( val[CAPAB_1] & VALID) == VALID_VAL) ||
688 (( val[WHATS_VALID] & OK_W88) && val[ULTRA_DMA]) ||
689 (( val[RM_STAT] & RM_STAT_BITS) == RM_STAT_SUP) ) )
690 {
691 like_std = 4;
692 }
693 else if (((std == 2) || (!std && (like_std < 3))) &&
694 ((val[CMDS_SUPP_1] & VALID) == VALID_VAL) )
695 {
696 like_std = 3;
697 }
698 else if (((std == 1) || (!std && (like_std < 2))) &&
699 ((val[CAPAB_0] & (IORDY_SUP | IORDY_OFF)) ||
700 (val[WHATS_VALID] & OK_W64_70)) )
701 {
702 like_std = 2;
703 }
704 if (!std)
705 printf("\n\tLikely used: %u\n",like_std);
706 else if (like_std > std)
707 printf("& some of %u\n",like_std);
708 else
709 puts("");
710 }
711 else
712 {
713 /* TBD: do CDROM stuff more thoroughly. For now... */
714 kk = 0;
715 if (val[CDR_MINOR] == 9)
716 {
717 kk = 1;
718 printf("\n\tUsed: ATAPI for CD-ROMs, SFF-8020i, r2.5");
719 }
720 if (val[CDR_MAJOR] && (val[CDR_MAJOR] !=NOVAL_1))
721 {
722 kk = 1;
723 printf("\n\tSupported: CD-ROM ATAPI");
724 jj = val[CDR_MAJOR] >> 1;
725 for (ii = 1; ii <15; ii++)
726 {
727 if (jj & 0x0001) printf("-%u ", ii);
728 jj >>= 1;
729 }
730 }
731 printf("%s\n", (!kk) ? "\n\tLikely used CD-ROM ATAPI-1" : "" );
732 /* the cdrom stuff is more like ATA-2 than anything else, so: */
733 like_std = 2;
734 }
735
736 if (min_std == 0xffff)
737 min_std = like_std > 4 ? like_std - 3 : 1;
738
739 printf("Configuration:\n");
740 /* more info from the general configuration word */
741 if ((eqpt != CDROM) && (like_std == 1))
742 {
743 jj = val[GEN_CONFIG] >> 1;
744 for (ii = 1; ii < 15; ii++)
745 {
746 if (jj & 0x0001) printf("\t%s\n",ata1_cfg_str[ii]);
747 jj >>=1;
748 }
749 }
750 if (dev == ATAPI_DEV)
751 {
752 if ((val[GEN_CONFIG] & DRQ_RESPONSE_TIME) == DRQ_3MS_VAL)
753 strng = "3ms";
754 else if ((val[GEN_CONFIG] & DRQ_RESPONSE_TIME) == DRQ_INTR_VAL)
755 strng = "<=10ms with INTRQ";
756 else if ((val[GEN_CONFIG] & DRQ_RESPONSE_TIME) == DRQ_50US_VAL)
757 strng ="50us";
758 else
759 strng = "Unknown";
760 printf("\tDRQ response: %s\n\tPacket size: ", strng); /* Data Request (DRQ) */
761
762 if ((val[GEN_CONFIG] & PKT_SIZE_SUPPORTED) == PKT_SIZE_12_VAL)
763 strng = "12 bytes";
764 else if ((val[GEN_CONFIG] & PKT_SIZE_SUPPORTED) == PKT_SIZE_16_VAL)
765 strng = "16 bytes";
766 else
767 strng = "Unknown";
768 puts(strng);
769 }
770 else
771 {
772 /* addressing...CHS? See section 6.2 of ATA specs 4 or 5 */
773 ll = (uint32_t)val[LBA_SECTS_MSB] << 16 | val[LBA_SECTS_LSB];
774 mm = 0; bbbig = 0;
775 if ( (ll > 0x00FBFC10) && (!val[LCYLS]))
776 printf("\tCHS addressing not supported\n");
777 else
778 {
779 jj = val[WHATS_VALID] & OK_W54_58;
780 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",
781 val[LCYLS],jj?val[LCYLS_CUR]:0, val[LHEADS],jj?val[LHEADS_CUR]:0, val[LSECTS],jj?val[LSECTS_CUR]:0);
782
783 if ((min_std == 1) && (val[TRACK_BYTES] || val[SECT_BYTES]))
784 printf("\tbytes/track: %u\tbytes/sector: %u\n",val[TRACK_BYTES], val[SECT_BYTES]);
785
786 if (jj)
787 {
788 mm = (uint32_t)val[CAPACITY_MSB] << 16 | val[CAPACITY_LSB];
789 if (like_std < 3)
790 {
791 /* check Endian of capacity bytes */
792 nn = val[LCYLS_CUR] * val[LHEADS_CUR] * val[LSECTS_CUR];
793 oo = (uint32_t)val[CAPACITY_LSB] << 16 | val[CAPACITY_MSB];
794 if (abs(mm - nn) > abs(oo - nn))
795 mm = oo;
796 }
797 printf("\tCHS current addressable sectors:%11u\n",mm);
798 }
799 }
800 /* LBA addressing */
801 printf("\tLBA user addressable sectors:%11u\n",ll);
802 if ( ((val[CMDS_SUPP_1] & VALID) == VALID_VAL) &&
803 (val[CMDS_SUPP_1] & SUPPORT_48_BIT) )
804 {
805 bbbig = (uint64_t)val[LBA_64_MSB] << 48 |
806 (uint64_t)val[LBA_48_MSB] << 32 |
807 (uint64_t)val[LBA_MID] << 16 |
808 val[LBA_LSB] ;
809 printf("\tLBA48 user addressable sectors:%11"PRIu64"\n",bbbig);
810 }
811
812 if (!bbbig)
813 bbbig = (uint64_t)(ll>mm ? ll : mm); /* # 512 byte blocks */
814 printf("\tdevice size with M = 1024*1024: %11"PRIu64" MBytes\n",bbbig>>11);
815 bbbig = (bbbig<<9)/1000000;
816 printf("\tdevice size with M = 1000*1000: %11"PRIu64" MBytes ",bbbig);
817
818 if (bbbig > 1000)
819 printf("(%"PRIu64" GB)\n", bbbig/1000);
820 else
821 puts("");
822 }
823
824 /* hw support of commands (capabilities) */
825 printf("Capabilities:\n\t");
826
827 if (dev == ATAPI_DEV)
828 {
829 if (eqpt != CDROM && (val[CAPAB_0] & CMD_Q_SUP)) printf("Cmd queuing, ");
830 if (val[CAPAB_0] & OVLP_SUP) printf("Cmd overlap, ");
831 }
832 if (val[CAPAB_0] & LBA_SUP) printf("LBA, ");
833
834 if (like_std != 1)
835 {
836 printf("IORDY%s(can%s be disabled)\n",
837 !(val[CAPAB_0] & IORDY_SUP) ? "(may be)" : "",
838 (val[CAPAB_0] & IORDY_OFF) ? "" :"not");
839 }
840 else
841 printf("no IORDY\n");
842
843 if ((like_std == 1) && val[BUF_TYPE])
844 {
845 printf("\tBuffer type: %04x: %s%s\n", val[BUF_TYPE],
846 (val[BUF_TYPE] < 2) ? "single port, single-sector" : "dual port, multi-sector",
847 (val[BUF_TYPE] > 2) ? " with read caching ability" : "");
848 }
849
850 if ((min_std == 1) && (val[BUFFER__SIZE] && (val[BUFFER__SIZE] != NOVAL_1)))
851 {
852 printf("\tBuffer size: %.1fkB\n",(float)val[BUFFER__SIZE]/2);
853 }
854 if ((min_std < 4) && (val[RW_LONG]))
855 {
856 printf("\tbytes avail on r/w long: %u\n",val[RW_LONG]);
857 }
858 if ((eqpt != CDROM) && (like_std > 3))
859 {
860 printf("\tQueue depth: %u\n",(val[QUEUE_DEPTH] & DEPTH_BITS)+1);
861 }
862
863 if (dev == ATA_DEV)
864 {
865 if (like_std == 1)
866 printf("\tCan%s perform double-word IO\n",(!val[DWORD_IO]) ?"not":"");
867 else
868 {
869 printf("\tStandby timer values: spec'd by %s", (val[CAPAB_0] & STD_STBY) ? "Standard" : "Vendor");
870 if ((like_std > 3) && ((val[CAPAB_1] & VALID) == VALID_VAL))
871 printf(", %s device specific minimum\n",(val[CAPAB_1] & MIN_STANDBY_TIMER)?"with":"no");
872 else
873 puts("");
874 }
875 printf("\tR/W multiple sector transfer: ");
876 if ((like_std < 3) && !(val[SECTOR_XFER_MAX] & SECTOR_XFER))
877 printf("not supported\n");
878 else
879 {
880 printf("Max = %u\tCurrent = ",val[SECTOR_XFER_MAX] & SECTOR_XFER);
881 if (val[SECTOR_XFER_CUR] & MULTIPLE_SETTING_VALID)
882 printf("%u\n", val[SECTOR_XFER_CUR] & SECTOR_XFER);
883 else
884 printf("?\n");
885 }
886 if ((like_std > 3) && (val[CMDS_SUPP_1] & 0x0008))
887 {
888 /* We print out elsewhere whether the APM feature is enabled or
889 not. If it's not enabled, let's not repeat the info; just print
890 nothing here. */
891 printf("\tAdvancedPM level: ");
892 if ( (val[ADV_PWR] & 0xFF00) == 0x4000 )
893 {
894 uint8_t apm_level = val[ADV_PWR] & 0x00FF;
895 printf("%u (0x%x)\n", apm_level, apm_level);
896 }
897 else
898 printf("unknown setting (0x%04x)\n", val[ADV_PWR]);
899 }
900 if (like_std > 5 && val[ACOUSTIC]) {
901 printf("\tRecommended acoustic management value: %u, current value: %u\n",
902 (val[ACOUSTIC] >> 8) & 0x00ff, val[ACOUSTIC] & 0x00ff);
903 }
904 }
905 else
906 {
907 /* ATAPI */
908 if (eqpt != CDROM && (val[CAPAB_0] & SWRST_REQ))
909 printf("\tATA sw reset required\n");
910
911 if (val[PKT_REL] || val[SVC_NBSY])
912 {
913 printf("\tOverlap support:");
914 if (val[PKT_REL]) printf(" %uus to release bus.",val[PKT_REL]);
915 if (val[SVC_NBSY]) printf(" %uus to clear BSY after SERVICE cmd.",val[SVC_NBSY]);
916 puts("");
917 }
918 }
919
920 /* DMA stuff. Check that only one DMA mode is selected. */
921 printf("\tDMA: ");
922 if (!(val[CAPAB_0] & DMA_SUP))
923 printf("not supported\n");
924 else
925 {
926 if (val[DMA_MODE] && !val[SINGLE_DMA] && !val[MULTI_DMA])
927 printf(" sdma%u\n",(val[DMA_MODE] & MODE) >> 8);
928 if (val[SINGLE_DMA])
929 {
930 jj = val[SINGLE_DMA];
931 kk = val[SINGLE_DMA] >> 8;
932 err_dma += mode_loop(jj,kk,'s',&have_mode);
933 }
934 if (val[MULTI_DMA])
935 {
936 jj = val[MULTI_DMA];
937 kk = val[MULTI_DMA] >> 8;
938 err_dma += mode_loop(jj,kk,'m',&have_mode);
939 }
940 if ((val[WHATS_VALID] & OK_W88) && val[ULTRA_DMA])
941 {
942 jj = val[ULTRA_DMA];
943 kk = val[ULTRA_DMA] >> 8;
944 err_dma += mode_loop(jj,kk,'u',&have_mode);
945 }
946 if (err_dma || !have_mode) printf("(?)");
947 puts("");
948
949 if ((dev == ATAPI_DEV) && (eqpt != CDROM) && (val[CAPAB_0] & DMA_IL_SUP))
950 printf("\t\tInterleaved DMA support\n");
951
952 if ((val[WHATS_VALID] & OK_W64_70) &&
953 (val[DMA_TIME_MIN] || val[DMA_TIME_NORM]))
954 {
955 printf("\t\tCycle time:");
956 if (val[DMA_TIME_MIN]) printf(" min=%uns",val[DMA_TIME_MIN]);
957 if (val[DMA_TIME_NORM]) printf(" recommended=%uns",val[DMA_TIME_NORM]);
958 puts("");
959 }
960 }
961
962 /* Programmed IO stuff */
963 printf("\tPIO: ");
964 /* If a drive supports mode n (e.g. 3), it also supports all modes less
965 * than n (e.g. 3, 2, 1 and 0). Print all the modes. */
966 if ((val[WHATS_VALID] & OK_W64_70) && (val[ADV_PIO_MODES] & PIO_SUP))
967 {
968 jj = ((val[ADV_PIO_MODES] & PIO_SUP) << 3) | 0x0007;
969 for (ii = 0; ii <= PIO_MODE_MAX ; ii++)
970 {
971 if (jj & 0x0001) printf("pio%d ",ii);
972 jj >>=1;
973 }
974 puts("");
975 }
976 else if (((min_std < 5) || (eqpt == CDROM)) && (val[PIO_MODE] & MODE) )
977 {
978 for (ii = 0; ii <= val[PIO_MODE]>>8; ii++)
979 printf("pio%d ",ii);
980 puts("");
981 }
982 else
983 printf("unknown\n");
984
985 if (val[WHATS_VALID] & OK_W64_70)
986 {
987 if (val[PIO_NO_FLOW] || val[PIO_FLOW])
988 {
989 printf("\t\tCycle time:");
990 if (val[PIO_NO_FLOW]) printf(" no flow control=%uns", val[PIO_NO_FLOW]);
991 if (val[PIO_FLOW]) printf(" IORDY flow control=%uns", val[PIO_FLOW]);
992 puts("");
993 }
994 }
995
996 if ((val[CMDS_SUPP_1] & VALID) == VALID_VAL)
997 {
998 printf("Commands/features:\n\tEnabled\tSupported:\n");
999 jj = val[CMDS_SUPP_0];
1000 kk = val[CMDS_EN_0];
1001 for (ii = 0; ii < NUM_CMD_FEAT_STR; ii++)
1002 {
1003 if ((jj & 0x8000) && (*cmd_feat_str[ii] != '\0'))
1004 {
1005 printf("\t%s\t%s\n", (kk & 0x8000) ? " *" : "", cmd_feat_str[ii]);
1006 }
1007 jj <<=1; kk<<=1;
1008 if (ii%16 == 15)
1009 {
1010 jj = val[CMDS_SUPP_0+1+(ii/16)];
1011 kk = val[CMDS_EN_0+1+(ii/16)];
1012 }
1013 if (ii == 31)
1014 {
1015 if ((val[CMDS_SUPP_2] & VALID) != VALID_VAL)
1016 ii +=16;
1017 }
1018 }
1019 }
1020 /* Removable Media Status Notification feature set */
1021 if ((val[RM_STAT] & RM_STAT_BITS) == RM_STAT_SUP)
1022 printf("\t%s supported\n", cmd_feat_str[27]);
1023
1024
1025 /* security */
1026 if ((eqpt != CDROM) && (like_std > 3) &&
1027 (val[SECU_STATUS] || val[ERASE_TIME] || val[ENH_ERASE_TIME]))
1028 {
1029 printf("Security:\n");
1030 if (val[PSWD_CODE] && (val[PSWD_CODE] != NOVAL_1))
1031 printf("\tMaster password revision code = %u\n",val[PSWD_CODE]);
1032 jj = val[SECU_STATUS];
1033 if (jj)
1034 {
1035 for (ii = 0; ii < NUM_SECU_STR; ii++)
1036 {
1037 printf("\t%s\t%s\n", (!(jj & 0x0001)) ? "not" : "", secu_str[ii]);
1038 jj >>=1;
1039 }
1040 if (val[SECU_STATUS] & SECU_ENABLED)
1041 {
1042 printf("\tSecurity level %s\n", (val[SECU_STATUS] & SECU_LEVEL) ? "maximum" : "high");
1043 }
1044 }
1045 jj = val[ERASE_TIME] & ERASE_BITS;
1046 kk = val[ENH_ERASE_TIME] & ERASE_BITS;
1047 if (jj || kk)
1048 {
1049 printf("\t");
1050 if (jj) printf("%umin for %sSECURITY ERASE UNIT. ", jj==ERASE_BITS ? 508 : jj<<1, "");
1051 if (kk) printf("%umin for %sSECURITY ERASE UNIT. ", kk==ERASE_BITS ? 508 : kk<<1, "ENHANCED ");
1052 puts("");
1053 }
1054 }
1055
1056 /* reset result */
1057 jj = val[HWRST_RSLT];
1058 if ((jj & VALID) == VALID_VAL)
1059 {
1060 if (!(oo = (jj & RST0)))
1061 jj >>= 8;
1062 if ((jj & DEV_DET) == JUMPER_VAL)
1063 strng = " determined by the jumper";
1064 else if ((jj & DEV_DET) == CSEL_VAL)
1065 strng = " determined by CSEL";
1066 else
1067 strng = "";
1068 printf("HW reset results:\n\tCBLID- %s Vih\n\tDevice num = %i%s\n",
1069 (val[HWRST_RSLT] & CBLID) ? "above" : "below", !(oo), strng);
1070 }
1071
1072 /* more stuff from std 5 */
1073 if ((like_std > 4) && (eqpt != CDROM))
1074 {
1075 if (val[CFA_PWR_MODE] & VALID_W160)
1076 {
1077 printf("CFA power mode 1:\n\t%s%s\n", (val[CFA_PWR_MODE] & PWR_MODE_OFF) ? "disabled" : "enabled",
1078 (val[CFA_PWR_MODE] & PWR_MODE_REQ) ? " and required by some commands" : "");
1079
1080 if (val[CFA_PWR_MODE] & MAX_AMPS) printf("\tMaximum current = %uma\n",val[CFA_PWR_MODE] & MAX_AMPS);
1081 }
1082 if ((val[INTEGRITY] & SIG) == SIG_VAL)
1083 {
1084 printf("Checksum: %scorrect\n", chksum ? "in" : "");
1085 }
1086 }
1087
1088 exit(EXIT_SUCCESS);
1089}
1090#endif
1091
1092static int get_identity, get_geom;
1093static int do_flush;
1094static int do_ctimings, do_timings;
1095static unsigned long set_readahead, get_readahead, Xreadahead;
1096static unsigned long set_readonly, get_readonly, readonly;
1097static unsigned long set_unmask, get_unmask, unmask;
1098static unsigned long set_mult, get_mult, mult;
1099#ifdef CONFIG_FEATURE_HDPARM_HDIO_GETSET_DMA
1100static unsigned long set_dma, get_dma, dma;
1101#endif
1102static unsigned long set_dma_q, get_dma_q, dma_q;
1103static unsigned long set_nowerr, get_nowerr, nowerr;
1104static unsigned long set_keep, get_keep, keep;
1105static unsigned long set_io32bit, get_io32bit, io32bit;
1106static unsigned long set_piomode, noisy_piomode;
1107static int piomode;
1108#ifdef HDIO_DRIVE_CMD
1109static unsigned long set_dkeep, get_dkeep, dkeep;
1110static unsigned long set_standby, get_standby, standby_requested;
1111static unsigned long set_xfermode, get_xfermode;
1112static int xfermode_requested;
1113static unsigned long set_lookahead, get_lookahead, lookahead;
1114static unsigned long set_prefetch, get_prefetch, prefetch;
1115static unsigned long set_defects, get_defects, defects;
1116static unsigned long set_wcache, get_wcache, wcache;
1117static unsigned long set_doorlock, get_doorlock, doorlock;
1118static unsigned long set_seagate, get_seagate;
1119static unsigned long set_standbynow, get_standbynow;
1120static unsigned long set_sleepnow, get_sleepnow;
1121static unsigned long get_powermode;
1122static unsigned long set_apmmode, get_apmmode, apmmode;
1123#endif
1124#ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
1125static int get_IDentity;
1126#endif
1127#ifdef CONFIG_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF
1128static unsigned long unregister_hwif;
1129static unsigned long hwif;
1130#endif
1131#ifdef CONFIG_FEATURE_HDPARM_HDIO_SCAN_HWIF
1132static unsigned long scan_hwif;
1133static unsigned long hwif_data;
1134static unsigned long hwif_ctrl;
1135static unsigned long hwif_irq;
1136#endif
1137#ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
1138static unsigned long set_busstate, get_busstate, busstate;
1139#endif
1140static int reread_partn;
1141
1142#ifdef CONFIG_FEATURE_HDPARM_HDIO_DRIVE_RESET
1143static int perform_reset;
1144#endif /* CONFIG_FEATURE_HDPARM_HDIO_DRIVE_RESET */
1145#ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
1146static unsigned long perform_tristate, tristate;
1147#endif /* CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF */
1148
1149// Historically, if there was no HDIO_OBSOLETE_IDENTITY, then
1150// then the HDIO_GET_IDENTITY only returned 142 bytes.
1151// Otherwise, HDIO_OBSOLETE_IDENTITY returns 142 bytes,
1152// and HDIO_GET_IDENTITY returns 512 bytes. But the latest
1153// 2.5.xx kernels no longer define HDIO_OBSOLETE_IDENTITY
1154// (which they should, but they should just return -EINVAL).
1155//
1156// So.. we must now assume that HDIO_GET_IDENTITY returns 512 bytes.
1157// On a really old system, it will not, and we will be confused.
1158// Too bad, really.
1159
1160#ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
1161static const char * const cfg_str[] =
1162{ "", "HardSect", "SoftSect", "NotMFM",
1163 "HdSw>15uSec", "SpinMotCtl", "Fixed", "Removeable",
1164 "DTR<=5Mbs", "DTR>5Mbs", "DTR>10Mbs", "RotSpdTol>.5%",
1165 "dStbOff", "TrkOff", "FmtGapReq", "nonMagnetic"
1166};
1167
1168static const char * const BuffType[] = {"Unknown", "1Sect", "DualPort", "DualPortCache"};
1169
1170static void dump_identity(const struct hd_driveid *id)
1171{
1172 int i;
1173 const unsigned short int *id_regs= (const void*) id;
1174
1175 printf("\n Model=%.40s, FwRev=%.8s, SerialNo=%.20s\n Config={",
1176 id->model, id->fw_rev, id->serial_no);
1177 for (i=0; i<=15; i++) {
1178 if (id->config & (1<<i))
1179 printf(" %s", cfg_str[i]);
1180 }
1181 printf( " }\n RawCHS=%u/%u/%u, TrkSize=%u, SectSize=%u, ECCbytes=%u\n"
1182 " BuffType=(%u) %s, BuffSize=%ukB, MaxMultSect=%u",
1183 id->cyls, id->heads, id->sectors, id->track_bytes,
1184 id->sector_bytes, id->ecc_bytes,
1185 id->buf_type, BuffType[(id->buf_type > 3) ? 0 : id->buf_type],
1186 id->buf_size/2, id->max_multsect);
1187 if (id->max_multsect)
1188 {
1189 printf(", MultSect=");
1190 if (!(id->multsect_valid&1))
1191 printf("?%u?", id->multsect);
1192 else if (id->multsect)
1193 printf("%u", id->multsect);
1194 else
1195 printf("off");
1196 }
1197 puts("");
1198
1199 if (!(id->field_valid&1))
1200 printf(" (maybe):");
1201
1202 printf(" CurCHS=%u/%u/%u, CurSects=%lu, LBA=%s",id->cur_cyls, id->cur_heads,
1203 id->cur_sectors,
1204 (BB_BIG_ENDIAN) ?
1205 (long unsigned int)(id->cur_capacity0 << 16) | id->cur_capacity1 :
1206 (long unsigned int)(id->cur_capacity1 << 16) | id->cur_capacity0,
1207 ((id->capability&2) == 0) ? "no" : "yes");
1208
1209 if (id->capability&2)
1210 printf(", LBAsects=%u", id->lba_capacity);
1211
1212 printf("\n IORDY=%s", (id->capability&8) ? (id->capability&4) ? "on/off" : "yes" : "no");
1213
1214 if (((id->capability&8) || (id->field_valid&2)) && id->field_valid&2)
1215 printf(", tPIO={min:%u,w/IORDY:%u}", id->eide_pio, id->eide_pio_iordy);
1216
1217 if ((id->capability&1) && (id->field_valid&2))
1218 printf(", tDMA={min:%u,rec:%u}", id->eide_dma_min, id->eide_dma_time);
1219
1220 printf("\n PIO modes: ");
1221 if (id->tPIO <= 5)
1222 {
1223 printf("pio0 ");
1224 if (id->tPIO >= 1) printf("pio1 ");
1225 if (id->tPIO >= 2) printf("pio2 ");
1226 }
1227 if (id->field_valid&2)
1228 {
1229 if (id->eide_pio_modes & 1) printf("pio3 ");
1230 if (id->eide_pio_modes & 2) printf("pio4 ");
1231 if (id->eide_pio_modes &~3) printf("pio? ");
1232 }
1233 if (id->capability&1)
1234 {
1235 if (id->dma_1word | id->dma_mword)
1236 {
1237 printf("\n DMA modes: ");
1238 if (id->dma_1word & 0x100) printf("*");
1239 if (id->dma_1word & 1) printf("sdma0 ");
1240 if (id->dma_1word & 0x200) printf("*");
1241 if (id->dma_1word & 2) printf("sdma1 ");
1242 if (id->dma_1word & 0x400) printf("*");
1243 if (id->dma_1word & 4) printf("sdma2 ");
1244 if (id->dma_1word & 0xf800) printf("*");
1245 if (id->dma_1word & 0xf8) printf("sdma? ");
1246 if (id->dma_mword & 0x100) printf("*");
1247 if (id->dma_mword & 1) printf("mdma0 ");
1248 if (id->dma_mword & 0x200) printf("*");
1249 if (id->dma_mword & 2) printf("mdma1 ");
1250 if (id->dma_mword & 0x400) printf("*");
1251 if (id->dma_mword & 4) printf("mdma2 ");
1252 if (id->dma_mword & 0xf800) printf("*");
1253 if (id->dma_mword & 0xf8) printf("mdma? ");
1254 }
1255 }
1256 if (((id->capability&8) || (id->field_valid&2)) && id->field_valid&4)
1257 {
1258 printf("\n UDMA modes: ");
1259 if (id->dma_ultra & 0x100) printf("*");
1260 if (id->dma_ultra & 0x001) printf("udma0 ");
1261 if (id->dma_ultra & 0x200) printf("*");
1262 if (id->dma_ultra & 0x002) printf("udma1 ");
1263 if (id->dma_ultra & 0x400) printf("*");
1264 if (id->dma_ultra & 0x004) printf("udma2 ");
1265#ifdef __NEW_HD_DRIVE_ID
1266 if (id->hw_config & 0x2000)
1267 {
1268#else /* !__NEW_HD_DRIVE_ID */
1269 if (id->word93 & 0x2000)
1270 {
1271#endif /* __NEW_HD_DRIVE_ID */
1272 if (id->dma_ultra & 0x0800) printf("*");
1273 if (id->dma_ultra & 0x0008) printf("udma3 ");
1274 if (id->dma_ultra & 0x1000) printf("*");
1275 if (id->dma_ultra & 0x0010) printf("udma4 ");
1276 if (id->dma_ultra & 0x2000) printf("*");
1277 if (id->dma_ultra & 0x0020) printf("udma5 ");
1278 if (id->dma_ultra & 0x4000) printf("*");
1279 if (id->dma_ultra & 0x0040) printf("udma6 ");
1280 if (id->dma_ultra & 0x8000) printf("*");
1281 if (id->dma_ultra & 0x0080) printf("udma7 ");
1282 }
1283 }
1284 printf("\n AdvancedPM=%s",((id_regs[83]&8)==0)?"no":"yes");
1285 if (id_regs[83] & 8)
1286 {
1287 if (!(id_regs[86]&8))
1288 printf(": disabled (255)");
1289 else if ((id_regs[91]&0xFF00)!=0x4000)
1290 printf(": unknown setting");
1291 else
1292 printf(": mode=0x%02X (%u)",id_regs[91]&0xFF,id_regs[91]&0xFF);
1293 }
1294 if (id_regs[82]&0x20)
1295 printf(" WriteCache=%s",(id_regs[85]&0x20) ? "enabled" : "disabled");
1296#ifdef __NEW_HD_DRIVE_ID
1297 if ((id->minor_rev_num && id->minor_rev_num <= 31) || (id->major_rev_num && id->minor_rev_num <= 31))
1298 {
1299 printf("\n Drive conforms to: %s: ", (id->minor_rev_num <= 31) ? minor_str[id->minor_rev_num] : "Unknown");
1300 if (id->major_rev_num != 0x0000 && /* NOVAL_0 */
1301 id->major_rev_num != 0xFFFF) { /* NOVAL_1 */
1302 for (i=0; i <= 15; i++) {
1303 if (id->major_rev_num & (1<<i))
1304 printf(" ATA/ATAPI-%u", i);
1305 }
1306 }
1307 }
1308#endif /* __NEW_HD_DRIVE_ID */
1309 printf("\n\n * current active mode\n\n");
1310}
1311#endif
1312
1313static void flush_buffer_cache(int fd)
1314{
1315 fsync(fd); /* flush buffers */
1316 bb_ioctl(fd, BLKFLSBUF, NULL,"BLKFLSBUF" ) ;/* do it again, big time */
1317#ifdef HDIO_DRIVE_CMD
1318 sleep(1);
1319 if (ioctl(fd, HDIO_DRIVE_CMD, NULL) && errno != EINVAL) /* await completion */
1320 bb_perror_msg("HDIO_DRIVE_CMD");
1321#endif
1322}
1323
1324static int seek_to_zero(int fd)
1325{
1326 if (lseek(fd, (off_t) 0, SEEK_SET))
1327 return 1;
1328 return 0;
1329}
1330
1331static int read_big_block(int fd, char *buf)
1332{
1333 int i;
1334
1335 if ((i = read(fd, buf, TIMING_BUF_BYTES)) != TIMING_BUF_BYTES) {
1336 bb_error_msg("read(%d bytes) failed (rc=%d)", TIMING_BUF_BYTES, i);
1337 return 1;
1338 }
1339 /* access all sectors of buf to ensure the read fully completed */
1340 for (i = 0; i < TIMING_BUF_BYTES; i += 512)
1341 buf[i] &= 1;
1342 return 0;
1343}
1344
1345static void print_timing(int t, double e)
1346{
1347 if (t >= e) /* more than 1MB/s */
1348 printf("%2d MB in %5.2f seconds =%6.2f %cB/sec\n", t, e, t / e, 'M');
1349 else
1350 printf("%2d MB in %5.2f seconds =%6.2f %cB/sec\n", t, e, t / e * 1024, 'k');
1351}
1352
1353static int do_blkgetsize (int fd, unsigned long long *blksize64)
1354{
1355 int rc;
1356 unsigned int blksize32 = 0;
1357
1358 if (0 == ioctl(fd, BLKGETSIZE64, blksize64)) { // returns bytes
1359 *blksize64 /= 512;
1360 return 0;
1361 }
1362 rc = ioctl(fd, BLKGETSIZE, &blksize32); // returns sectors
1363 if (rc)
1364 bb_perror_msg("BLKGETSIZE");
1365 *blksize64 = blksize32;
1366 return rc;
1367}
1368
1369static void do_time(int flag, int fd)
1370/*
1371 flag = 0 time_cache
1372 flag = 1 time_device
1373*/
1374{
1375 struct itimerval e1, e2;
1376 double elapsed, elapsed2;
1377 unsigned int max_iterations = 1024, total_MB, iterations;
1378 unsigned long long blksize;
1379 RESERVE_CONFIG_BUFFER(buf, TIMING_BUF_BYTES);
1380
1381 if (mlock(buf, TIMING_BUF_BYTES)) {
1382 bb_perror_msg("mlock");
1383 goto quit2;
1384 }
1385
1386 if (0 == do_blkgetsize(fd, &blksize)) {
1387 max_iterations = blksize / (2 * 1024) / TIMING_BUF_MB;
1388 }
1389
1390 /* Clear out the device request queues & give them time to complete */
1391 sync();
1392 sleep(3);
1393
1394 setitimer(ITIMER_REAL, &(struct itimerval){{1000,0},{1000,0}}, NULL);
1395
1396 if (flag == 0) /* Time cache */
1397 {
1398 if (seek_to_zero (fd)) return;
1399 if (read_big_block (fd, buf)) return;
1400 printf(" Timing cached reads: ");
1401 fflush(stdout);
1402
1403 /* Now do the timing */
1404 iterations = 0;
1405 getitimer(ITIMER_REAL, &e1);
1406 do {
1407 ++iterations;
1408 if (seek_to_zero (fd) || read_big_block (fd, buf))
1409 goto quit;
1410 getitimer(ITIMER_REAL, &e2);
1411 elapsed = (e1.it_value.tv_sec - e2.it_value.tv_sec)
1412 + ((e1.it_value.tv_usec - e2.it_value.tv_usec) / 1000000.0);
1413 } while (elapsed < 2.0);
1414 total_MB = iterations * TIMING_BUF_MB;
1415
1416 /* Now remove the lseek() and getitimer() overheads from the elapsed time */
1417 getitimer(ITIMER_REAL, &e1);
1418 do {
1419 if (seek_to_zero (fd))
1420 goto quit;
1421 getitimer(ITIMER_REAL, &e2);
1422 elapsed2 = (e1.it_value.tv_sec - e2.it_value.tv_sec)
1423 + ((e1.it_value.tv_usec - e2.it_value.tv_usec) / 1000000.0);
1424 } while (--iterations);
1425
1426 elapsed -= elapsed2;
1427 print_timing(BUFCACHE_FACTOR * total_MB, elapsed);
1428 flush_buffer_cache(fd);
1429 sleep(1);
1430 }
1431 else /* Time device */
1432 {
1433 printf(" Timing buffered disk reads: ");
1434 fflush(stdout);
1435 /*
1436 * getitimer() is used rather than gettimeofday() because
1437 * it is much more consistent (on my machine, at least).
1438 */
1439 /* Now do the timings for real */
1440 iterations = 0;
1441 getitimer(ITIMER_REAL, &e1);
1442 do {
1443 ++iterations;
1444 if (read_big_block (fd, buf))
1445 goto quit;
1446 getitimer(ITIMER_REAL, &e2);
1447 elapsed = (e1.it_value.tv_sec - e2.it_value.tv_sec)
1448 + ((e1.it_value.tv_usec - e2.it_value.tv_usec) / 1000000.0);
1449 } while (elapsed < 3.0 && iterations < max_iterations);
1450
1451 total_MB = iterations * TIMING_BUF_MB;
1452 print_timing(total_MB, elapsed);
1453 }
1454quit:
1455 munlock(buf, TIMING_BUF_BYTES);
1456quit2:
1457 RELEASE_CONFIG_BUFFER(buf);
1458}
1459
1460static void on_off (unsigned int value)
1461{
1462 printf(value ? " (on)\n" : " (off)\n");
1463}
1464
1465#ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
1466static void bus_state_value(unsigned int value)
1467{
1468 if (value == BUSSTATE_ON)
1469 on_off(1);
1470 else if (value == BUSSTATE_OFF)
1471 on_off(0);
1472 else if (value == BUSSTATE_TRISTATE)
1473 printf(" (tristate)\n");
1474 else
1475 printf(" (unknown: %d)\n", value);
1476}
1477#endif
1478
1479#ifdef HDIO_DRIVE_CMD
1480static void interpret_standby(unsigned int standby)
1481{
1482 unsigned int t;
1483
1484 printf(" (");
1485 if (standby == 0)
1486 printf("off");
1487 else if (standby == 252)
1488 printf("21 minutes");
1489 else if (standby == 253)
1490 printf("vendor-specific");
1491 else if (standby == 254)
1492 printf("Reserved");
1493 else if (standby == 255)
1494 printf("21 minutes + 15 seconds");
1495 else {
1496 if (standby <= 240) {
1497 t = standby * 5;
1498 printf("%u minutes + %u seconds", t / 60, t % 60);
1499 } else if (standby <= 251) {
1500 t = (standby - 240) * 30;
1501 printf("%u hours + %u minutes", t / 60, t % 60);
1502 } else
1503 printf("illegal value");
1504 }
1505 printf(")\n");
1506}
1507
1508struct xfermode_entry {
1509 int val;
1510 const char *name;
1511};
1512
1513static const struct xfermode_entry xfermode_table[] = {
1514 { 8, "pio0" },
1515 { 9, "pio1" },
1516 { 10, "pio2" },
1517 { 11, "pio3" },
1518 { 12, "pio4" },
1519 { 13, "pio5" },
1520 { 14, "pio6" },
1521 { 15, "pio7" },
1522 { 16, "sdma0" },
1523 { 17, "sdma1" },
1524 { 18, "sdma2" },
1525 { 19, "sdma3" },
1526 { 20, "sdma4" },
1527 { 21, "sdma5" },
1528 { 22, "sdma6" },
1529 { 23, "sdma7" },
1530 { 32, "mdma0" },
1531 { 33, "mdma1" },
1532 { 34, "mdma2" },
1533 { 35, "mdma3" },
1534 { 36, "mdma4" },
1535 { 37, "mdma5" },
1536 { 38, "mdma6" },
1537 { 39, "mdma7" },
1538 { 64, "udma0" },
1539 { 65, "udma1" },
1540 { 66, "udma2" },
1541 { 67, "udma3" },
1542 { 68, "udma4" },
1543 { 69, "udma5" },
1544 { 70, "udma6" },
1545 { 71, "udma7" },
1546 { 0, NULL }
1547};
1548
1549static int translate_xfermode(char * name)
1550{
1551 const struct xfermode_entry *tmp;
1552 char *endptr;
1553 int val = -1;
1554
1555
1556 for (tmp = xfermode_table; tmp->name != NULL; ++tmp)
1557 {
1558 if (!strcmp(name, tmp->name))
1559 return tmp->val;
1560 }
1561
1562 val = strtol(name, &endptr, 10);
1563 if (*endptr == '\0')
1564 return val;
1565
1566 return -1;
1567}
1568
1569static void interpret_xfermode(unsigned int xfermode)
1570{
1571 printf(" (");
1572 if (xfermode == 0)
1573 printf("default PIO mode");
1574 else if (xfermode == 1)
1575 printf("default PIO mode, disable IORDY");
1576 else if (xfermode >= 8 && xfermode <= 15)
1577 printf("PIO flow control mode%u", xfermode-8);
1578 else if (xfermode >= 16 && xfermode <= 23)
1579 printf("singleword DMA mode%u", xfermode-16);
1580 else if (xfermode >= 32 && xfermode <= 39)
1581 printf("multiword DMA mode%u", xfermode-32);
1582 else if (xfermode >= 64 && xfermode <= 71)
1583 printf("UltraDMA mode%u", xfermode-64);
1584 else
1585 printf("Unknown");
1586 printf(")\n");
1587}
1588#endif /* HDIO_DRIVE_CMD */
1589
1590static void print_flag(unsigned long flag, char *s, unsigned long value)
1591{
1592 if (flag)
1593 printf(" setting %s to %ld\n", s, value);
1594}
1595
1596static void process_dev(char *devname)
1597{
1598 int fd;
1599 static long parm, multcount;
1600#ifndef HDIO_DRIVE_CMD
1601 int force_operation = 0;
1602#endif
1603 /* Please restore args[n] to these values after each ioctl
1604 except for args[2] */
1605 unsigned char args[4] = {WIN_SETFEATURES,0,0,0};
1606 const char *fmt = " %s\t= %2ld";
1607
1608 fd = xopen(devname, O_RDONLY|O_NONBLOCK);
1609 printf("\n%s:\n", devname);
1610
1611 if (set_readahead)
1612 {
1613 print_flag(get_readahead,"fs readahead", Xreadahead);
1614 bb_ioctl(fd, BLKRASET,(int *)Xreadahead,"BLKRASET");
1615 }
1616#ifdef CONFIG_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF
1617 if (unregister_hwif)
1618 {
1619 printf(" attempting to unregister hwif#%lu\n", hwif);
1620 bb_ioctl(fd, HDIO_UNREGISTER_HWIF,(int *)(unsigned long)hwif,"HDIO_UNREGISTER_HWIF");
1621 }
1622#endif
1623#ifdef CONFIG_FEATURE_HDPARM_HDIO_SCAN_HWIF
1624 if (scan_hwif)
1625 {
1626 printf(" attempting to scan hwif (0x%lx, 0x%lx, %lu)\n", hwif_data, hwif_ctrl, hwif_irq);
1627 args[0] = hwif_data;
1628 args[1] = hwif_ctrl;
1629 args[2] = hwif_irq;
1630 bb_ioctl(fd, HDIO_SCAN_HWIF, args, "HDIO_SCAN_HWIF");
1631 args[0] = WIN_SETFEATURES;
1632 args[1] = 0;
1633 }
1634#endif
1635 if (set_piomode)
1636 {
1637 if (noisy_piomode)
1638 {
1639 printf(" attempting to ");
1640 if (piomode == 255)
1641 printf("auto-tune PIO mode\n");
1642 else if (piomode < 100)
1643 printf("set PIO mode to %d\n", piomode);
1644 else if (piomode < 200)
1645 printf("set MDMA mode to %d\n", (piomode-100));
1646 else
1647 printf("set UDMA mode to %d\n", (piomode-200));
1648 }
1649 bb_ioctl(fd, HDIO_SET_PIO_MODE, (int *)(unsigned long)piomode, "HDIO_SET_PIO_MODE");
1650 }
1651 if (set_io32bit)
1652 {
1653 print_flag(get_io32bit,"32-bit IO_support flag", io32bit);
1654 bb_ioctl(fd, HDIO_SET_32BIT, (int *)io32bit, "HDIO_SET_32BIT");
1655 }
1656 if (set_mult)
1657 {
1658 print_flag(get_mult, "multcount", mult);
1659#ifdef HDIO_DRIVE_CMD
1660 bb_ioctl(fd, HDIO_SET_MULTCOUNT, &mult, "HDIO_SET_MULTCOUNT");
1661#else
1662 force_operation |= (!bb_ioctl(fd, HDIO_SET_MULTCOUNT, &mult, "HDIO_SET_MULTCOUNT"));
1663#endif
1664 }
1665 if (set_readonly)
1666 {
1667 print_flag_on_off(get_readonly,"readonly", readonly);
1668 bb_ioctl(fd, BLKROSET, &readonly, "BLKROSET");
1669 }
1670 if (set_unmask)
1671 {
1672 print_flag_on_off(get_unmask,"unmaskirq", unmask);
1673 bb_ioctl(fd, HDIO_SET_UNMASKINTR, (int *)unmask, "HDIO_SET_UNMASKINTR");
1674 }
1675#ifdef CONFIG_FEATURE_HDPARM_HDIO_GETSET_DMA
1676 if (set_dma)
1677 {
1678 print_flag_on_off(get_dma, "using_dma", dma);
1679 bb_ioctl(fd, HDIO_SET_DMA, (int *)dma, "HDIO_SET_DMA");
1680 }
1681#endif /* CONFIG_FEATURE_HDPARM_HDIO_GETSET_DMA */
1682 if (set_dma_q)
1683 {
1684 print_flag_on_off(get_dma_q,"DMA queue_depth", dma_q);
1685 bb_ioctl(fd, HDIO_SET_QDMA, (int *)dma_q, "HDIO_SET_QDMA");
1686 }
1687 if (set_nowerr)
1688 {
1689 print_flag_on_off(get_nowerr,"nowerr", nowerr);
1690 bb_ioctl(fd, HDIO_SET_NOWERR, (int *)nowerr,"HDIO_SET_NOWERR");
1691 }
1692 if (set_keep)
1693 {
1694 print_flag_on_off(get_keep,"keep_settings", keep);
1695 bb_ioctl(fd, HDIO_SET_KEEPSETTINGS, (int *)keep,"HDIO_SET_KEEPSETTINGS");
1696 }
1697#ifdef HDIO_DRIVE_CMD
1698 if (set_doorlock)
1699 {
1700 args[0] = doorlock ? WIN_DOORLOCK : WIN_DOORUNLOCK;
1701 args[2] = 0;
1702 print_flag_on_off(get_doorlock,"drive doorlock", doorlock);
1703 bb_ioctl(fd, HDIO_DRIVE_CMD, &args,"HDIO_DRIVE_CMD(doorlock)");
1704 args[0] = WIN_SETFEATURES;
1705 }
1706 if (set_dkeep)
1707 {
1708 /* lock/unlock the drive's "feature" settings */
1709 print_flag_on_off(get_dkeep,"drive keep features", dkeep);
1710 args[2] = dkeep ? 0x66 : 0xcc;
1711 bb_ioctl(fd, HDIO_DRIVE_CMD, &args,"HDIO_DRIVE_CMD(keepsettings)");
1712 }
1713 if (set_defects)
1714 {
1715 args[2] = defects ? 0x04 : 0x84;
1716 print_flag(get_defects,"drive defect-mgmt", defects);
1717 bb_ioctl(fd, HDIO_DRIVE_CMD, &args,"HDIO_DRIVE_CMD(defectmgmt)");
1718 }
1719 if (set_prefetch)
1720 {
1721 args[1] = prefetch;
1722 args[2] = 0xab;
1723 print_flag(get_prefetch,"drive prefetch", prefetch);
1724 bb_ioctl(fd, HDIO_DRIVE_CMD, &args, "HDIO_DRIVE_CMD(setprefetch)");
1725 args[1] = 0;
1726 }
1727 if (set_xfermode)
1728 {
1729 args[1] = xfermode_requested;
1730 args[2] = 3;
1731 if (get_xfermode)
1732 {
1733 print_flag(1,"xfermode", xfermode_requested);
1734 interpret_xfermode(xfermode_requested);
1735 }
1736 bb_ioctl(fd, HDIO_DRIVE_CMD, &args,"HDIO_DRIVE_CMD(setxfermode)");
1737 args[1] = 0;
1738 }
1739 if (set_lookahead)
1740 {
1741 args[2] = lookahead ? 0xaa : 0x55;
1742 print_flag_on_off(get_lookahead,"drive read-lookahead", lookahead);
1743 bb_ioctl(fd, HDIO_DRIVE_CMD, &args, "HDIO_DRIVE_CMD(setreadahead)");
1744 }
1745 if (set_apmmode)
1746 {
1747 args[2] = (apmmode == 255) ? 0x85 /* disable */ : 0x05 /* set */; /* feature register */
1748 args[1] = apmmode; /* sector count register 1-255 */
1749 if (get_apmmode)
1750 printf(" setting APM level to %s 0x%02lX (%ld)\n", (apmmode == 255) ? "disabled" : "", apmmode, apmmode);
1751 bb_ioctl(fd, HDIO_DRIVE_CMD, &args,"HDIO_DRIVE_CMD");
1752 args[1] = 0;
1753 }
1754 if (set_wcache)
1755 {
1756#ifdef DO_FLUSHCACHE
1757#ifndef WIN_FLUSHCACHE
1758#define WIN_FLUSHCACHE 0xe7
1759#endif
1760 static unsigned char flushcache[4] = {WIN_FLUSHCACHE,0,0,0};
1761#endif /* DO_FLUSHCACHE */
1762 args[2] = wcache ? 0x02 : 0x82;
1763 print_flag_on_off(get_wcache,"drive write-caching", wcache);
1764#ifdef DO_FLUSHCACHE
1765 if (!wcache)
1766 bb_ioctl(fd, HDIO_DRIVE_CMD, &flushcache, "HDIO_DRIVE_CMD(flushcache)");
1767#endif /* DO_FLUSHCACHE */
1768 bb_ioctl(fd, HDIO_DRIVE_CMD, &args, "HDIO_DRIVE_CMD(setcache)");
1769#ifdef DO_FLUSHCACHE
1770 if (!wcache)
1771 bb_ioctl(fd, HDIO_DRIVE_CMD, &flushcache, "HDIO_DRIVE_CMD(flushcache)");
1772#endif /* DO_FLUSHCACHE */
1773 }
1774
1775 /* In code below, we do not preserve args[0], but the rest
1776 is preserved, including args[2] */
1777 args[2] = 0;
1778
1779 if (set_standbynow)
1780 {
1781#ifndef WIN_STANDBYNOW1
1782#define WIN_STANDBYNOW1 0xE0
1783#endif
1784#ifndef WIN_STANDBYNOW2
1785#define WIN_STANDBYNOW2 0x94
1786#endif
1787 if (get_standbynow) printf(" issuing standby command\n");
1788 args[0] = WIN_STANDBYNOW1;
1789 bb_ioctl_alt(fd, HDIO_DRIVE_CMD, args, WIN_STANDBYNOW2, "HDIO_DRIVE_CMD(standby)");
1790 }
1791 if (set_sleepnow)
1792 {
1793#ifndef WIN_SLEEPNOW1
1794#define WIN_SLEEPNOW1 0xE6
1795#endif
1796#ifndef WIN_SLEEPNOW2
1797#define WIN_SLEEPNOW2 0x99
1798#endif
1799 if (get_sleepnow) printf(" issuing sleep command\n");
1800 args[0] = WIN_SLEEPNOW1;
1801 bb_ioctl_alt(fd, HDIO_DRIVE_CMD, args, WIN_SLEEPNOW2, "HDIO_DRIVE_CMD(sleep)");
1802 }
1803 if (set_seagate)
1804 {
1805 args[0] = 0xfb;
1806 if (get_seagate) printf(" disabling Seagate auto powersaving mode\n");
1807 bb_ioctl(fd, HDIO_DRIVE_CMD, &args, "HDIO_DRIVE_CMD(seagatepwrsave)");
1808 }
1809 if (set_standby)
1810 {
1811 args[0] = WIN_SETIDLE1;
1812 args[1] = standby_requested;
1813 if (get_standby)
1814 {
1815 print_flag(1,"standby", standby_requested);
1816 interpret_standby(standby_requested);
1817 }
1818 bb_ioctl(fd, HDIO_DRIVE_CMD, &args, "HDIO_DRIVE_CMD(setidle1)");
1819 args[1] = 0;
1820 }
1821#else /* HDIO_DRIVE_CMD */
1822 if (force_operation)
1823 {
1824 char buf[512];
1825 flush_buffer_cache(fd);
1826 if (-1 == read(fd, buf, sizeof(buf)))
1827 bb_perror_msg("read(%d bytes) failed (rc=%d)", sizeof(buf), -1);
1828 }
1829#endif /* HDIO_DRIVE_CMD */
1830
1831 if (get_mult || get_identity)
1832 {
1833 multcount = -1;
1834 if (ioctl(fd, HDIO_GET_MULTCOUNT, &multcount))
1835 {
1836 if (get_mult)
1837 bb_perror_msg("HDIO_GET_MULTCOUNT");
1838 }
1839 else if (get_mult)
1840 {
1841 printf(fmt, "multcount", multcount);
1842 on_off(multcount);
1843 }
1844 }
1845 if (get_io32bit)
1846 {
1847 if (!bb_ioctl(fd, HDIO_GET_32BIT, &parm, "HDIO_GET_32BIT"))
1848 {
1849 printf(" IO_support\t=%3ld (", parm);
1850 if (parm == 0)
1851 printf("default 16-bit)\n");
1852 else if (parm == 2)
1853 printf("16-bit)\n");
1854 else if (parm == 1)
1855 printf("32-bit)\n");
1856 else if (parm == 3)
1857 printf("32-bit w/sync)\n");
1858 else if (parm == 8)
1859 printf("Request-Queue-Bypass)\n");
1860 else
1861 printf("\?\?\?)\n");
1862 }
1863 }
1864 if (get_unmask)
1865 {
1866 bb_ioctl_on_off(fd, HDIO_GET_UNMASKINTR,(unsigned long *)parm,
1867 "HDIO_GET_UNMASKINTR","unmaskirq");
1868 }
1869
1870
1871#ifdef CONFIG_FEATURE_HDPARM_HDIO_GETSET_DMA
1872 if (get_dma) {
1873 if (!bb_ioctl(fd, HDIO_GET_DMA, &parm, "HDIO_GET_DMA"))
1874 {
1875 printf(fmt, "using_dma", parm);
1876 if (parm == 8)
1877 printf(" (DMA-Assisted-PIO)\n");
1878 else
1879 on_off(parm);
1880 }
1881 }
1882#endif
1883 if (get_dma_q)
1884 {
1885 bb_ioctl_on_off (fd, HDIO_GET_QDMA,(unsigned long *)parm,
1886 "HDIO_GET_QDMA","queue_depth");
1887 }
1888 if (get_keep)
1889 {
1890 bb_ioctl_on_off (fd, HDIO_GET_KEEPSETTINGS,(unsigned long *)parm,
1891 "HDIO_GET_KEEPSETTINGS","keepsettings");
1892 }
1893
1894 if (get_nowerr)
1895 {
1896 bb_ioctl_on_off (fd, HDIO_GET_NOWERR,(unsigned long *)&parm,
1897 "HDIO_GET_NOWERR","nowerr");
1898 }
1899 if (get_readonly)
1900 {
1901 bb_ioctl_on_off(fd, BLKROGET,(unsigned long *)parm,
1902 "BLKROGET","readonly");
1903 }
1904 if (get_readahead)
1905 {
1906 bb_ioctl_on_off (fd, BLKRAGET, (unsigned long *) parm,
1907 "BLKRAGET","readahead");
1908 }
1909 if (get_geom)
1910 {
1911 if (!bb_ioctl(fd, BLKGETSIZE, &parm, "BLKGETSIZE"))
1912 {
1913 struct hd_geometry g;
1914
1915 if (!bb_ioctl(fd, HDIO_GETGEO, &g, "HDIO_GETGEO"))
1916 printf(" geometry\t= %u/%u/%u, sectors = %ld, start = %ld\n",
1917 g.cylinders, g.heads, g.sectors, parm, g.start);
1918 }
1919 }
1920#ifdef HDIO_DRIVE_CMD
1921 if (get_powermode)
1922 {
1923#ifndef WIN_CHECKPOWERMODE1
1924#define WIN_CHECKPOWERMODE1 0xE5
1925#endif
1926#ifndef WIN_CHECKPOWERMODE2
1927#define WIN_CHECKPOWERMODE2 0x98
1928#endif
1929 const char *state;
1930
1931 args[0] = WIN_CHECKPOWERMODE1;
1932 if (bb_ioctl_alt(fd, HDIO_DRIVE_CMD, args, WIN_CHECKPOWERMODE2, 0))
1933 {
1934 if (errno != EIO || args[0] != 0 || args[1] != 0)
1935 state = "Unknown";
1936 else
1937 state = "sleeping";
1938 }
1939 else
1940 state = (args[2] == 255) ? "active/idle" : "standby";
1941 args[1] = args[2] = 0;
1942
1943 printf(" drive state is: %s\n", state);
1944 }
1945#endif
1946#ifdef CONFIG_FEATURE_HDPARM_HDIO_DRIVE_RESET
1947 if (perform_reset)
1948 {
1949 bb_ioctl(fd, HDIO_DRIVE_RESET, NULL, "HDIO_DRIVE_RESET");
1950 }
1951#endif /* CONFIG_FEATURE_HDPARM_HDIO_DRIVE_RESET */
1952#ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
1953 if (perform_tristate)
1954 {
1955 args[0] = 0;
1956 args[1] = tristate;
1957 bb_ioctl(fd, HDIO_TRISTATE_HWIF, &args, "HDIO_TRISTATE_HWIF");
1958 }
1959#endif /* CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF */
1960#ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
1961 if (get_identity)
1962 {
1963 static struct hd_driveid id;
1964
1965 if (!ioctl(fd, HDIO_GET_IDENTITY, &id))
1966 {
1967 if (multcount != -1)
1968 {
1969 id.multsect = multcount;
1970 id.multsect_valid |= 1;
1971 }
1972 else
1973 id.multsect_valid &= ~1;
1974 dump_identity(&id);
1975 }
1976 else if (errno == -ENOMSG)
1977 printf(" no identification info available\n");
1978 else
1979 bb_perror_msg("HDIO_GET_IDENTITY");
1980 }
1981
1982 if (get_IDentity)
1983 {
1984 unsigned char args1[4+512]; /* = { ... } will eat 0.5k of rodata! */
1985
1986 memset(args1, 0, sizeof(args1));
1987 args1[0] = WIN_IDENTIFY;
1988 args1[3] = 1;
1989 if (!bb_ioctl_alt(fd, HDIO_DRIVE_CMD, args1, WIN_PIDENTIFY, "HDIO_DRIVE_CMD(identify)"))
1990 identify((void *)(args1 + 4));
1991 }
1992#endif
1993#ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
1994 if (set_busstate)
1995 {
1996 if (get_busstate)
1997 {
1998 print_flag(1, "bus state", busstate);
1999 bus_state_value(busstate);
2000 }
2001 bb_ioctl(fd, HDIO_SET_BUSSTATE, (int *)(unsigned long)busstate, "HDIO_SET_BUSSTATE");
2002 }
2003 if (get_busstate)
2004 {
2005 if (!bb_ioctl(fd, HDIO_GET_BUSSTATE, &parm, "HDIO_GET_BUSSTATE"))
2006 {
2007 printf(fmt, "bus state", parm);
2008 bus_state_value(parm);
2009 }
2010 }
2011#endif
2012 if (reread_partn)
2013 bb_ioctl(fd, BLKRRPART, NULL, "BLKRRPART");
2014
2015
2016 if (do_ctimings)
2017 do_time(0,fd); /*time cache */
2018 if (do_timings)
2019 do_time(1,fd); /*time device */
2020 if (do_flush)
2021 flush_buffer_cache(fd);
2022 close(fd);
2023}
2024
2025#ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
2026static int fromhex(unsigned char c)
2027{
2028 if (c >= 'a' && c <= 'f')
2029 return 10 + (c - 'a');
2030 if (c >= '0' && c <= '9')
2031 return (c - '0');
2032 bb_error_msg_and_die("bad char: '%c' 0x%02x", c, c);
2033}
2034
2035static void identify_from_stdin(void)
2036{
2037 uint16_t sbuf[256];
2038 unsigned char buf[1280], *b = (unsigned char *)buf;
2039 int i, count = read(0, buf, 1280);
2040
2041 if (count != 1280)
2042 bb_error_msg_and_die("read(%d bytes) failed (rc=%d)", 1280, count);
2043
2044 // Convert the newline-separated hex data into an identify block.
2045
2046 for (i = 0; i<256; i++)
2047 {
2048 int j;
2049 for(j=0;j<4;j++) sbuf[i] = (sbuf[i] <<4) + fromhex(*(b++));
2050 }
2051
2052 // Parse the data.
2053
2054 identify(sbuf);
2055}
2056#endif
2057
2058/* busybox specific stuff */
2059static void parse_opts(unsigned long *get, unsigned long *set, unsigned long *value, int min, int max)
2060{
2061 if (get) {
2062 *get = 1;
2063 }
2064 if (optarg) {
2065 *set = 1;
2066 *value = xatol_range(optarg, min, max);
2067 }
2068}
2069
2070static void parse_xfermode(int flag, unsigned long *get, unsigned long *set, int *value)
2071{
2072 if (flag) {
2073 *get = 1;
2074 if (optarg) {
2075 *set = ((*value = translate_xfermode(optarg)) > -1);
2076 }
2077 }
2078}
2079
2080/*------- getopt short options --------*/
2081static const char hdparm_options[] = "gfu::n::p:r::m::c::k::a::B:tTh"
2082 USE_FEATURE_HDPARM_GET_IDENTITY("iI")
2083 USE_FEATURE_HDPARM_HDIO_GETSET_DMA("d::")
2084#ifdef HDIO_DRIVE_CMD
2085 "S:D:P:X:K:A:L:W:CyYzZ"
2086#endif
2087 USE_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF("U:")
2088#ifdef HDIO_GET_QDMA
2089#ifdef HDIO_SET_QDMA
2090 "Q:"
2091#else
2092 "Q"
2093#endif
2094#endif
2095 USE_FEATURE_HDPARM_HDIO_DRIVE_RESET("w")
2096 USE_FEATURE_HDPARM_HDIO_TRISTATE_HWIF("x::b:")
2097 USE_FEATURE_HDPARM_HDIO_SCAN_HWIF("R:");
2098/*-------------------------------------*/
2099
2100/* our main() routine: */
2101int hdparm_main(int argc, char **argv) ATTRIBUTE_NORETURN;
2102int hdparm_main(int argc, char **argv)
2103{
2104 int c;
2105 int flagcount = 0;
2106
2107 while ((c = getopt(argc, argv, hdparm_options)) >= 0) {
2108 flagcount++;
2109 if (c == 'h') bb_show_usage(); /* EXIT */
2110 USE_FEATURE_HDPARM_GET_IDENTITY(get_IDentity |= (c == 'I'));
2111 USE_FEATURE_HDPARM_GET_IDENTITY(get_identity |= (c == 'i'));
2112 get_geom |= (c == 'g');
2113 do_flush |= (c == 'f');
2114 if (c == 'u') parse_opts(&get_unmask, &set_unmask, &unmask, 0, 1);
2115 USE_FEATURE_HDPARM_HDIO_GETSET_DMA(if (c == 'd') parse_opts(&get_dma, &set_dma, &dma, 0, 9));
2116 if (c == 'n') parse_opts(&get_nowerr, &set_nowerr, &nowerr, 0, 1);
2117 parse_xfermode((c == 'p'),&noisy_piomode, &set_piomode, &piomode);
2118 if (c == 'r') parse_opts(&get_readonly, &set_readonly, &readonly, 0, 1);
2119 if (c == 'm') parse_opts(&get_mult, &set_mult, &mult, 0, INT_MAX /*32*/);
2120 if (c == 'c') parse_opts(&get_io32bit, &set_io32bit, &io32bit, 0, INT_MAX /*8*/);
2121 if (c == 'k') parse_opts(&get_keep, &set_keep, &keep, 0, 1);
2122 if (c == 'a') parse_opts(&get_readahead, &set_readahead, &Xreadahead, 0, INT_MAX);
2123 if (c == 'B') parse_opts(&get_apmmode, &set_apmmode, &apmmode, 1, 255);
2124 do_flush |= do_timings |= (c == 't');
2125 do_flush |= do_ctimings |= (c == 'T');
2126#ifdef HDIO_DRIVE_CMD
2127 if (c == 'S') parse_opts(&get_standby, &set_standby, &standby_requested, 0, INT_MAX);
2128 if (c == 'D') parse_opts(&get_defects, &set_defects, &defects, 0, INT_MAX);
2129 if (c == 'P') parse_opts(&get_prefetch, &set_prefetch, &prefetch, 0, INT_MAX);
2130 parse_xfermode((c == 'X'), &get_xfermode, &set_xfermode, &xfermode_requested);
2131 if (c == 'K') parse_opts(&get_dkeep, &set_dkeep, &prefetch, 0, 1);
2132 if (c == 'A') parse_opts(&get_lookahead, &set_lookahead, &lookahead, 0, 1);
2133 if (c == 'L') parse_opts(&get_doorlock, &set_doorlock, &doorlock, 0, 1);
2134 if (c == 'W') parse_opts(&get_wcache, &set_wcache, &wcache, 0, 1);
2135 get_powermode |= (c == 'C');
2136 get_standbynow = set_standbynow |= (c == 'y');
2137 get_sleepnow = set_sleepnow |= (c == 'Y');
2138 reread_partn |= (c == 'z');
2139 get_seagate = set_seagate |= (c == 'Z');
2140#endif
2141 USE_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF(if (c == 'U') parse_opts(NULL, &unregister_hwif, &hwif, 0, INT_MAX));
2142#ifdef HDIO_GET_QDMA
2143 if (c == 'Q') {
2144#ifdef HDIO_SET_QDMA
2145 parse_opts(&get_dma_q, &set_dma_q, &dma_q, 0, INT_MAX);
2146#else
2147 parse_opts(&get_dma_q, NULL, NULL, 0, 0);
2148#endif
2149 }
2150#endif
2151 USE_FEATURE_HDPARM_HDIO_DRIVE_RESET(perform_reset = (c == 'r'));
2152 USE_FEATURE_HDPARM_HDIO_TRISTATE_HWIF(if (c == 'x') parse_opts(NULL, &perform_tristate, &tristate, 0, 1));
2153 USE_FEATURE_HDPARM_HDIO_TRISTATE_HWIF(if (c == 'b') parse_opts(&get_busstate, &set_busstate, &busstate, 0, 2));
2154#if ENABLE_FEATURE_HDPARM_HDIO_SCAN_HWIF
2155 if (c == 'R') {
2156 parse_opts(NULL, &scan_hwif, &hwif_data, 0, INT_MAX);
2157 hwif_ctrl = xatoi_u((argv[optind]) ? argv[optind] : "");
2158 hwif_irq = xatoi_u((argv[optind+1]) ? argv[optind+1] : "");
2159 /* Move past the 2 additional arguments */
2160 argv += 2;
2161 argc -= 2;
2162 }
2163#endif
2164 }
2165 /* When no flags are given (flagcount = 0), -acdgkmnru is assumed. */
2166 if (!flagcount) {
2167 get_mult = get_io32bit = get_unmask = get_keep = get_readonly = get_readahead = get_geom = 1;
2168 USE_FEATURE_HDPARM_HDIO_GETSET_DMA(get_dma = 1);
2169 }
2170 argc -= optind;
2171 argv += optind;
2172
2173 if (argc < 1) {
2174 if (ENABLE_FEATURE_HDPARM_GET_IDENTITY && !isatty(STDIN_FILENO))
2175 identify_from_stdin(); /* EXIT */
2176 else bb_show_usage();
2177 }
2178
2179 while (argc--) {
2180 process_dev(*argv);
2181 argv++;
2182 }
2183 exit(EXIT_SUCCESS);
2184}
generated by cgit v1.2.3-55-g6feb (git 2.39.1) at 2025-08-14 11:25:48 +0000