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gerrit.nordix.org / codeaurora / busybox / c43f9edf889ee2277b1ae064446ae34178a9c4a9 / . / miscutils / hdparm.c
blob: abc3f387ff3f29332e6df44f904ae607a748b74d [file] [log] [blame]
Eric Andersen3443bd72003-07-22 07:30:36 +0000[diff] [blame]1/* vi: set sw=4 ts=4: */
2/*
3 * hdparm implementation for busybox
4 *
5 *
Glenn L McGrathc43f9ed2003-09-15 03:37:32 +0000[diff] [blame^]6 * Copyright (C) [2003] by [Matteo Croce] <3297627799@wind.it>
Eric Andersen3443bd72003-07-22 07:30:36 +0000[diff] [blame]7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
21 * 02111-1307 USA
22 *
23 *
24 * This program is based on the source code of hdparm: see below...
25 * hdparm.c - Command line interface to get/set hard disk parameters
26 * - by Mark Lord (C) 1994-2002 -- freely distributable
27 */
28
29#include <unistd.h>
30#include <string.h>
31#include <stdlib.h>
32#include <fcntl.h>
33#include <errno.h>
34#include <ctype.h>
35#include <endian.h>
36#include <sys/ioctl.h>
37#include <sys/shm.h>
38#include <sys/sysmacros.h>
39#include <sys/time.h>
40#include <sys/times.h>
41#include <sys/mount.h>
42#include "busybox.h"
43#include <linux/types.h>
44#include <linux/hdreg.h>
45#include <linux/major.h>
46#include <asm/byteorder.h>
47
48
49#if __BYTE_ORDER == __BIG_ENDIAN
50#define __USE_XOPEN
51#endif
52
53/* device types */
54/* ------------ */
55#define NO_DEV 0xffff
56#define ATA_DEV 0x0000
57#define ATAPI_DEV 0x0001
58
59/* word definitions */
60/* ---------------- */
61#define GEN_CONFIG 0 /* general configuration */
62#define LCYLS 1 /* number of logical cylinders */
63#define CONFIG 2 /* specific configuration */
64#define LHEADS 3 /* number of logical heads */
65#define TRACK_BYTES 4 /* number of bytes/track (ATA-1) */
66#define SECT_BYTES 5 /* number of bytes/sector (ATA-1) */
67#define LSECTS 6 /* number of logical sectors/track */
68#define START_SERIAL 10 /* ASCII serial number */
69#define LENGTH_SERIAL 10 /* 10 words (20 bytes or characters) */
70#define BUF_TYPE 20 /* buffer type (ATA-1) */
71#define BUFFER__SIZE 21 /* buffer size (ATA-1) */
72#define RW_LONG 22 /* extra bytes in R/W LONG cmd ( < ATA-4)*/
73#define START_FW_REV 23 /* ASCII firmware revision */
74#define LENGTH_FW_REV 4 /* 4 words (8 bytes or characters) */
75#define START_MODEL 27 /* ASCII model number */
76#define LENGTH_MODEL 20 /* 20 words (40 bytes or characters) */
77#define SECTOR_XFER_MAX 47 /* r/w multiple: max sectors xfered */
78#define DWORD_IO 48 /* can do double-word IO (ATA-1 only) */
79#define CAPAB_0 49 /* capabilities */
80#define CAPAB_1 50
81#define PIO_MODE 51 /* max PIO mode supported (obsolete)*/
82#define DMA_MODE 52 /* max Singleword DMA mode supported (obs)*/
83#define WHATS_VALID 53 /* what fields are valid */
84#define LCYLS_CUR 54 /* current logical cylinders */
85#define LHEADS_CUR 55 /* current logical heads */
86#define LSECTS_CUR 56 /* current logical sectors/track */
87#define CAPACITY_LSB 57 /* current capacity in sectors */
88#define CAPACITY_MSB 58
89#define SECTOR_XFER_CUR 59 /* r/w multiple: current sectors xfered */
90#define LBA_SECTS_LSB 60 /* LBA: total number of user */
91#define LBA_SECTS_MSB 61 /* addressable sectors */
92#define SINGLE_DMA 62 /* singleword DMA modes */
93#define MULTI_DMA 63 /* multiword DMA modes */
94#define ADV_PIO_MODES 64 /* advanced PIO modes supported */
95 /* multiword DMA xfer cycle time: */
96#define DMA_TIME_MIN 65 /* - minimum */
97#define DMA_TIME_NORM 66 /* - manufacturer's recommended */
98 /* minimum PIO xfer cycle time: */
99#define PIO_NO_FLOW 67 /* - without flow control */
100#define PIO_FLOW 68 /* - with IORDY flow control */
101#define PKT_REL 71 /* typical #ns from PKT cmd to bus rel */
102#define SVC_NBSY 72 /* typical #ns from SERVICE cmd to !BSY */
103#define CDR_MAJOR 73 /* CD ROM: major version number */
104#define CDR_MINOR 74 /* CD ROM: minor version number */
105#define QUEUE_DEPTH 75 /* queue depth */
106#define MAJOR 80 /* major version number */
107#define MINOR 81 /* minor version number */
108#define CMDS_SUPP_0 82 /* command/feature set(s) supported */
109#define CMDS_SUPP_1 83
110#define CMDS_SUPP_2 84
111#define CMDS_EN_0 85 /* command/feature set(s) enabled */
112#define CMDS_EN_1 86
113#define CMDS_EN_2 87
114#define ULTRA_DMA 88 /* ultra DMA modes */
115 /* time to complete security erase */
116#define ERASE_TIME 89 /* - ordinary */
117#define ENH_ERASE_TIME 90 /* - enhanced */
118#define ADV_PWR 91 /* current advanced power management level
119 in low byte, 0x40 in high byte. */
120#define PSWD_CODE 92 /* master password revision code */
121#define HWRST_RSLT 93 /* hardware reset result */
122#define ACOUSTIC 94 /* acoustic mgmt values ( >= ATA-6) */
123#define LBA_LSB 100 /* LBA: maximum. Currently only 48 */
124#define LBA_MID 101 /* bits are used, but addr 103 */
125#define LBA_48_MSB 102 /* has been reserved for LBA in */
126#define LBA_64_MSB 103 /* the future. */
127#define RM_STAT 127 /* removable media status notification feature set support */
128#define SECU_STATUS 128 /* security status */
129#define CFA_PWR_MODE 160 /* CFA power mode 1 */
130#define START_MEDIA 176 /* media serial number */
131#define LENGTH_MEDIA 20 /* 20 words (40 bytes or characters)*/
132#define START_MANUF 196 /* media manufacturer I.D. */
133#define LENGTH_MANUF 10 /* 10 words (20 bytes or characters) */
134#define INTEGRITY 255 /* integrity word */
135
136/* bit definitions within the words */
137/* -------------------------------- */
138
139/* many words are considered valid if bit 15 is 0 and bit 14 is 1 */
140#define VALID 0xc000
141#define VALID_VAL 0x4000
142/* many words are considered invalid if they are either all-0 or all-1 */
143#define NOVAL_0 0x0000
144#define NOVAL_1 0xffff
145
146/* word 0: gen_config */
147#define NOT_ATA 0x8000
148#define NOT_ATAPI 0x4000 /* (check only if bit 15 == 1) */
149#define MEDIA_REMOVABLE 0x0080
150#define DRIVE_NOT_REMOVABLE 0x0040 /* bit obsoleted in ATA 6 */
151#define INCOMPLETE 0x0004
152#define CFA_SUPPORT_VAL 0x848a /* 848a=CFA feature set support */
153#define DRQ_RESPONSE_TIME 0x0060
154#define DRQ_3MS_VAL 0x0000
155#define DRQ_INTR_VAL 0x0020
156#define DRQ_50US_VAL 0x0040
157#define PKT_SIZE_SUPPORTED 0x0003
158#define PKT_SIZE_12_VAL 0x0000
159#define PKT_SIZE_16_VAL 0x0001
160#define EQPT_TYPE 0x1f00
161#define SHIFT_EQPT 8
162
163#define CDROM 0x0005
164
165#ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
166static const char *pkt_str[] = {
167 "Direct-access device", /* word 0, bits 12-8 = 00 */
168 "Sequential-access device", /* word 0, bits 12-8 = 01 */
169 "Printer", /* word 0, bits 12-8 = 02 */
170 "Processor", /* word 0, bits 12-8 = 03 */
171 "Write-once device", /* word 0, bits 12-8 = 04 */
172 "CD-ROM", /* word 0, bits 12-8 = 05 */
173 "Scanner", /* word 0, bits 12-8 = 06 */
174 "Optical memory", /* word 0, bits 12-8 = 07 */
175 "Medium changer", /* word 0, bits 12-8 = 08 */
176 "Communications device", /* word 0, bits 12-8 = 09 */
177 "ACS-IT8 device", /* word 0, bits 12-8 = 0a */
178 "ACS-IT8 device", /* word 0, bits 12-8 = 0b */
179 "Array controller", /* word 0, bits 12-8 = 0c */
180 "Enclosure services", /* word 0, bits 12-8 = 0d */
181 "Reduced block command device", /* word 0, bits 12-8 = 0e */
182 "Optical card reader/writer", /* word 0, bits 12-8 = 0f */
183 "", /* word 0, bits 12-8 = 10 */
184 "", /* word 0, bits 12-8 = 11 */
185 "", /* word 0, bits 12-8 = 12 */
186 "", /* word 0, bits 12-8 = 13 */
187 "", /* word 0, bits 12-8 = 14 */
188 "", /* word 0, bits 12-8 = 15 */
189 "", /* word 0, bits 12-8 = 16 */
190 "", /* word 0, bits 12-8 = 17 */
191 "", /* word 0, bits 12-8 = 18 */
192 "", /* word 0, bits 12-8 = 19 */
193 "", /* word 0, bits 12-8 = 1a */
194 "", /* word 0, bits 12-8 = 1b */
195 "", /* word 0, bits 12-8 = 1c */
196 "", /* word 0, bits 12-8 = 1d */
197 "", /* word 0, bits 12-8 = 1e */
198 "Unknown", /* word 0, bits 12-8 = 1f */
199};
200static const char *ata1_cfg_str[] = { /* word 0 in ATA-1 mode */
201 "reserved", /* bit 0 */
202 "hard sectored", /* bit 1 */
203 "soft sectored", /* bit 2 */
204 "not MFM encoded ", /* bit 3 */
205 "head switch time > 15us", /* bit 4 */
206 "spindle motor control option", /* bit 5 */
207 "fixed drive", /* bit 6 */
208 "removable drive", /* bit 7 */
209 "disk xfer rate <= 5Mbs", /* bit 8 */
210 "disk xfer rate > 5Mbs, <= 10Mbs", /* bit 9 */
211 "disk xfer rate > 5Mbs", /* bit 10 */
212 "rotational speed tol.", /* bit 11 */
213 "data strobe offset option", /* bit 12 */
214 "track offset option", /* bit 13 */
215 "format speed tolerance gap reqd", /* bit 14 */
216 "ATAPI" /* bit 14 */
217};
218#endif
219
220/* word 1: number of logical cylinders */
221#define LCYLS_MAX 0x3fff /* maximum allowable value */
222
223/* word 2: specific configureation
224 * (a) require SET FEATURES to spin-up
225 * (b) require spin-up to fully reply to IDENTIFY DEVICE
226 */
227#define STBY_NID_VAL 0x37c8 /* (a) and (b) */
228#define STBY_ID_VAL 0x738c /* (a) and not (b) */
229#define PWRD_NID_VAL 0x8c73 /* not (a) and (b) */
230#define PWRD_ID_VAL 0xc837 /* not (a) and not (b) */
231
232/* words 47 & 59: sector_xfer_max & sector_xfer_cur */
233#define SECTOR_XFER 0x00ff /* sectors xfered on r/w multiple cmds*/
234#define MULTIPLE_SETTING_VALID 0x0100 /* 1=multiple sector setting is valid */
235
236/* word 49: capabilities 0 */
237#define STD_STBY 0x2000 /* 1=standard values supported (ATA);
238 0=vendor specific values */
239#define IORDY_SUP 0x0800 /* 1=support; 0=may be supported */
240#define IORDY_OFF 0x0400 /* 1=may be disabled */
241#define LBA_SUP 0x0200 /* 1=Logical Block Address support */
242#define DMA_SUP 0x0100 /* 1=Direct Memory Access support */
243#define DMA_IL_SUP 0x8000 /* 1=interleaved DMA support (ATAPI) */
244#define CMD_Q_SUP 0x4000 /* 1=command queuing support (ATAPI) */
245#define OVLP_SUP 0x2000 /* 1=overlap operation support (ATAPI) */
246#define SWRST_REQ 0x1000 /* 1=ATA SW reset required (ATAPI, obsolete */
247
248/* word 50: capabilities 1 */
249#define MIN_STANDBY_TIMER 0x0001 /* 1=device specific standby timer value minimum */
250
251/* words 51 & 52: PIO & DMA cycle times */
252#define MODE 0xff00 /* the mode is in the MSBs */
253
254/* word 53: whats_valid */
255#define OK_W88 0x0004 /* the ultra_dma info is valid */
256#define OK_W64_70 0x0002 /* see above for word descriptions */
257#define OK_W54_58 0x0001 /* current cyl, head, sector, cap. info valid */
258
259/*word 63,88: dma_mode, ultra_dma_mode*/
260#define MODE_MAX 7 /* bit definitions force udma <=7 (when
261 * udma >=8 comes out it'll have to be
262 * defined in a new dma_mode word!) */
263
264/* word 64: PIO transfer modes */
265#define PIO_SUP 0x00ff /* only bits 0 & 1 are used so far, */
266#define PIO_MODE_MAX 8 /* but all 8 bits are defined */
267
268/* word 75: queue_depth */
269#define DEPTH_BITS 0x001f /* bits used for queue depth */
270
271/* words 80-81: version numbers */
272/* NOVAL_0 or NOVAL_1 means device does not report version */
273
274/* word 81: minor version number */
275#define MINOR_MAX 0x1C
276#ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
277static const char *minor_str[] = { /* word 81 value: */
278 "device does not report version", /* 0x0000 */
279 "ATA-1 X3T9.2 781D prior to revision 4", /* 0x0001 */
280 "ATA-1 published, ANSI X3.221-1994", /* 0x0002 */
281 "ATA-1 X3T9.2 781D revision 4", /* 0x0003 */
282 "ATA-2 published, ANSI X3.279-1996", /* 0x0004 */
283 "ATA-2 X3T10 948D prior to revision 2k", /* 0x0005 */
284 "ATA-3 X3T10 2008D revision 1", /* 0x0006 */
285 "ATA-2 X3T10 948D revision 2k", /* 0x0007 */
286 "ATA-3 X3T10 2008D revision 0", /* 0x0008 */
287 "ATA-2 X3T10 948D revision 3", /* 0x0009 */
288 "ATA-3 published, ANSI X3.298-199x", /* 0x000a */
289 "ATA-3 X3T10 2008D revision 6", /* 0x000b */
290 "ATA-3 X3T13 2008D revision 7 and 7a", /* 0x000c */
291 "ATA/ATAPI-4 X3T13 1153D revision 6", /* 0x000d */
292 "ATA/ATAPI-4 T13 1153D revision 13", /* 0x000e */
293 "ATA/ATAPI-4 X3T13 1153D revision 7", /* 0x000f */
294 "ATA/ATAPI-4 T13 1153D revision 18", /* 0x0010 */
295 "ATA/ATAPI-4 T13 1153D revision 15", /* 0x0011 */
296 "ATA/ATAPI-4 published, ANSI NCITS 317-1998", /* 0x0012 */
297 "ATA/ATAPI-5 T13 1321D revision 3",
298 "ATA/ATAPI-4 T13 1153D revision 14", /* 0x0014 */
299 "ATA/ATAPI-5 T13 1321D revision 1", /* 0x0015 */
300 "ATA/ATAPI-5 published, ANSI NCITS 340-2000", /* 0x0016 */
301 "ATA/ATAPI-4 T13 1153D revision 17", /* 0x0017 */
302 "ATA/ATAPI-6 T13 1410D revision 0", /* 0x0018 */
303 "ATA/ATAPI-6 T13 1410D revision 3a", /* 0x0019 */
304 "Reserved", /* 0x001a */
305 "ATA/ATAPI-6 T13 1410D revision 2", /* 0x001b */
306 "ATA/ATAPI-6 T13 1410D revision 1", /* 0x001c */
307 "reserved" /* 0x001d */
308 "reserved" /* 0x001e */
309 "reserved" /* 0x001f-0xfffe*/
310};
311#endif
312static const char actual_ver[] = {
313 /* word 81 value: */
314 0, /* 0x0000 WARNING: */
315 1, /* 0x0001 WARNING: */
316 1, /* 0x0002 WARNING: */
317 1, /* 0x0003 WARNING: */
318 2, /* 0x0004 WARNING: This array */
319 2, /* 0x0005 WARNING: corresponds */
320 3, /* 0x0006 WARNING: *exactly* */
321 2, /* 0x0007 WARNING: to the ATA/ */
322 3, /* 0x0008 WARNING: ATAPI version */
323 2, /* 0x0009 WARNING: listed in */
324 3, /* 0x000a WARNING: the */
325 3, /* 0x000b WARNING: minor_str */
326 3, /* 0x000c WARNING: array */
327 4, /* 0x000d WARNING: above. */
328 4, /* 0x000e WARNING: */
329 4, /* 0x000f WARNING: if you change */
330 4, /* 0x0010 WARNING: that one, */
331 4, /* 0x0011 WARNING: change this one */
332 4, /* 0x0012 WARNING: too!!! */
333 5, /* 0x0013 WARNING: */
334 4, /* 0x0014 WARNING: */
335 5, /* 0x0015 WARNING: */
336 5, /* 0x0016 WARNING: */
337 4, /* 0x0017 WARNING: */
338 6, /* 0x0018 WARNING: */
339 6, /* 0x0019 WARNING: */
340 0, /* 0x001a WARNING: */
341 6, /* 0x001b WARNING: */
342 6, /* 0x001c WARNING: */
343 0 /* 0x001d-0xfffe */
344};
345
346/* words 82-84: cmds/feats supported */
347#define CMDS_W82 0x77ff /* word 82: defined command locations*/
348#define CMDS_W83 0x3fff /* word 83: defined command locations*/
349#define CMDS_W84 0x002f /* word 83: defined command locations*/
350#define SUPPORT_48_BIT 0x0400
351#define NUM_CMD_FEAT_STR 48
352
353#ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
354static const char *cmd_feat_str[] = {
355 "", /* word 82 bit 15: obsolete */
356 "NOP cmd", /* word 82 bit 14 */
357 "READ BUFFER cmd", /* word 82 bit 13 */
358 "WRITE BUFFER cmd", /* word 82 bit 12 */
359 "", /* word 82 bit 11: obsolete */
360 "Host Protected Area feature set", /* word 82 bit 10 */
361 "DEVICE RESET cmd", /* word 82 bit 9 */
362 "SERVICE interrupt", /* word 82 bit 8 */
363 "Release interrupt", /* word 82 bit 7 */
364 "Look-ahead", /* word 82 bit 6 */
365 "Write cache", /* word 82 bit 5 */
366 "PACKET command feature set", /* word 82 bit 4 */
367 "Power Management feature set", /* word 82 bit 3 */
368 "Removable Media feature set", /* word 82 bit 2 */
369 "Security Mode feature set", /* word 82 bit 1 */
370 "SMART feature set", /* word 82 bit 0 */
371 /* --------------*/
372 "", /* word 83 bit 15: !valid bit */
373 "", /* word 83 bit 14: valid bit */
374 "FLUSH CACHE EXT command", /* word 83 bit 13 */
375 "Mandatory FLUSH CACHE command ", /* word 83 bit 12 */
376 "Device Configuration Overlay feature set ",
377 "48-bit Address feature set ", /* word 83 bit 10 */
378 "",
379 "SET MAX security extension", /* word 83 bit 8 */
380 "Address Offset Reserved Area Boot", /* word 83 bit 7 */
381 "SET FEATURES subcommand required to spinup after power up",
382 "Power-Up In Standby feature set", /* word 83 bit 5 */
383 "Removable Media Status Notification feature set",
384 "Advanced Power Management feature set",/* word 83 bit 3 */
385 "CFA feature set", /* word 83 bit 2 */
386 "READ/WRITE DMA QUEUED", /* word 83 bit 1 */
387 "DOWNLOAD MICROCODE cmd", /* word 83 bit 0 */
388 /* --------------*/
389 "", /* word 84 bit 15: !valid bit */
390 "", /* word 84 bit 14: valid bit */
391 "", /* word 84 bit 13: reserved */
392 "", /* word 84 bit 12: reserved */
393 "", /* word 84 bit 11: reserved */
394 "", /* word 84 bit 10: reserved */
395 "", /* word 84 bit 9: reserved */
396 "", /* word 84 bit 8: reserved */
397 "", /* word 84 bit 7: reserved */
398 "", /* word 84 bit 6: reserved */
399 "General Purpose Logging feature set", /* word 84 bit 5 */
400 "", /* word 84 bit 4: reserved */
401 "Media Card Pass Through Command feature set ",
402 "Media serial number ", /* word 84 bit 2 */
403 "SMART self-test ", /* word 84 bit 1 */
404 "SMART error logging " /* word 84 bit 0 */
405};
406#endif
407
408
409/* words 85-87: cmds/feats enabled */
410/* use cmd_feat_str[] to display what commands and features have
411 * been enabled with words 85-87
412 */
413
414/* words 89, 90, SECU ERASE TIME */
415#define ERASE_BITS 0x00ff
416
417/* word 92: master password revision */
418/* NOVAL_0 or NOVAL_1 means no support for master password revision */
419
420/* word 93: hw reset result */
421#define CBLID 0x2000 /* CBLID status */
422#define RST0 0x0001 /* 1=reset to device #0 */
423#define DEV_DET 0x0006 /* how device num determined */
424#define JUMPER_VAL 0x0002 /* device num determined by jumper */
425#define CSEL_VAL 0x0004 /* device num determined by CSEL_VAL */
426
427/* word 127: removable media status notification feature set support */
428#define RM_STAT_BITS 0x0003
429#define RM_STAT_SUP 0x0001
430
431/* word 128: security */
432#define SECU_ENABLED 0x0002
433#define SECU_LEVEL 0x0010
434#define NUM_SECU_STR 6
435#ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
436static const char *secu_str[] = {
437 "supported", /* word 128, bit 0 */
438 "enabled", /* word 128, bit 1 */
439 "locked", /* word 128, bit 2 */
440 "frozen", /* word 128, bit 3 */
441 "expired: security count", /* word 128, bit 4 */
442 "supported: enhanced erase" /* word 128, bit 5 */
443};
444#endif
445
446/* word 160: CFA power mode */
447#define VALID_W160 0x8000 /* 1=word valid */
448#define PWR_MODE_REQ 0x2000 /* 1=CFA power mode req'd by some cmds*/
449#define PWR_MODE_OFF 0x1000 /* 1=CFA power moded disabled */
450#define MAX_AMPS 0x0fff /* value = max current in ma */
451
452/* word 255: integrity */
453#define SIG 0x00ff /* signature location */
454#define SIG_VAL 0x00A5 /* signature value */
455
456#ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
457static uint8_t mode_loop(uint16_t mode_sup, uint16_t mode_sel, int cc, uint8_t *have_mode) {
458 uint16_t ii;
459 uint8_t err_dma = 0;
460 for(ii = 0; ii <= MODE_MAX; ii++) {
461 if(mode_sel & 0x0001) {
462 printf("*%cdma%u ",cc,ii);
463 if(*have_mode) err_dma = 1;
464 *have_mode = 1;
465 } else if(mode_sup & 0x0001) {
466 printf("%cdma%u ",cc,ii);
467 }
468 mode_sup >>=1; mode_sel >>=1;
469 }
470 return err_dma;
471}
472static void print_ascii(uint16_t *p, uint8_t length) {
473 uint8_t ii;
474 char cl;
475
476 /* find first non-space & print it */
477 for(ii = 0; ii< length; ii++) {
478 if(((char) 0x00ff&((*p)>>8)) != ' ') break;
479 if((cl = (char) 0x00ff&(*p)) != ' ') {
480 if(cl != '\0') printf("%c",cl);
481 p++; ii++;
482 break;
483 }
484 p++;
485 }
486 /* print the rest */
487 for(; ii< length; ii++) {
488 if(!(*p)) break; /* some older devices have NULLs */
489 printf("%c%c",(char)0x00ff&((*p)>>8),(char)(*p)&0x00ff);
490 p++;
491 }
492 printf("\n");
493}
494
495/* identify() is the only extern function used across two source files. The
496 others, though, were declared in hdparm.c with global scope; since other
497 functions in that file have static (file) scope, I assume the difference is
498 intentional. */
499static void identify (uint16_t *id_supplied, const char *devname)
500{
501
502 char *id_file = NULL, fmt[]="/proc/ide/%s/identify";
503 FILE *fl;
504 uint16_t val[256], ii, jj, kk;
505 uint16_t like_std = 1, std = 0, min_std = 0xffff;
506 uint16_t dev = NO_DEV, eqpt = NO_DEV;
507 uint8_t have_mode = 0, err_dma = 0;
508 uint8_t chksum = 0;
509 uint32_t ll, mm, nn, oo;
510 __u64 bbbig; /* (:) */
511
512 if (id_supplied) {
513#if __BYTE_ORDER == __BIG_ENDIAN
514 swab(id_supplied, val, sizeof(val));
515#else
516 memcpy(val, id_supplied, sizeof(val));
517#endif
518 } else {
519 id_file = xcalloc(1, strlen(devname)+1+strlen(fmt));
520 sprintf(id_file, fmt, devname);
521
522 /* open the file, read in all the info and close it */
523 if (id_file == NULL) {
524 fl = stdin;
525 } else if(NULL == (fl = fopen(id_file, "r")))
526 bb_perror_msg_and_die(id_file);
527 /* calculate checksum over all bytes */
528 for(ii = GEN_CONFIG; ii<=INTEGRITY; ii++) {
529 unsigned int scratch;
530 if(1 != fscanf(fl,"%04x",&scratch)) break;
531 val[ii] = (uint16_t)scratch;
532 chksum += val[ii] + (val[ii] >> 8);
533 }
534 fclose(fl);
535 if(ii < (INTEGRITY+1))
536 bb_error_msg_and_die("Input file wrong format or length");
537 }
538 chksum &= 0xff;
539
540 /* check if we recognise the device type */
541 printf("\n");
542 if(!(val[GEN_CONFIG] & NOT_ATA)) {
543 dev = ATA_DEV;
544 printf("ATA device, with ");
545 } else if(val[GEN_CONFIG]==CFA_SUPPORT_VAL) {
546 dev = ATA_DEV;
547 like_std = 4;
548 printf("CompactFlash ATA device, with ");
549 } else if(!(val[GEN_CONFIG] & NOT_ATAPI)) {
550 dev = ATAPI_DEV;
551 eqpt = (val[GEN_CONFIG] & EQPT_TYPE) >> SHIFT_EQPT;
552 printf("ATAPI %s, with ", pkt_str[eqpt]);
553 like_std = 3;
554 } else {
555 bb_error_msg_and_die("Unknown device type:\n\tbits 15&14 of general configuration word 0 both set to 1.\n");
556 }
557 if(!(val[GEN_CONFIG] & MEDIA_REMOVABLE))
558 printf("non-");
559 printf("removable media\n");
560
561
562 /* Info from the specific configuration word says whether or not the
563 * ID command completed correctly. It is only defined, however in
564 * ATA/ATAPI-5 & 6; it is reserved (value theoretically 0) in prior
565 * standards. Since the values allowed for this word are extremely
566 * specific, it should be safe to check it now, even though we don't
567 * know yet what standard this device is using.
568 */
569 if((val[CONFIG]==STBY_NID_VAL) || (val[CONFIG]==STBY_ID_VAL) ||
570 (val[CONFIG]==PWRD_NID_VAL) || (val[CONFIG]==PWRD_ID_VAL) ) {
571 like_std = 5;
572 if((val[CONFIG]==STBY_NID_VAL) || (val[CONFIG]==STBY_ID_VAL))
573 printf("powers-up in standby; SET FEATURES subcmd spins-up.\n");
574 if(((val[CONFIG]==STBY_NID_VAL) || (val[CONFIG]==PWRD_NID_VAL)) &&
575 (val[GEN_CONFIG] & INCOMPLETE))
576 printf("\n\tWARNING: ID response incomplete.\n\tWARNING: Following data may be incorrect.\n\n");
577 }
578
579 /* output the model and serial numbers and the fw revision */
580 if(val[START_MODEL]) {
581 printf("\t%-20s","Model Number:");
582 print_ascii(&val[START_MODEL], LENGTH_MODEL);
583 }
584 if(val[START_SERIAL]) {
585 printf("\t%-20s","Serial Number:");
586 print_ascii( &val[START_SERIAL], LENGTH_SERIAL);
587 }
588 if(val[START_FW_REV]) {
589 printf("\t%-20s","Firmware Revision:");
590 print_ascii(&val[START_FW_REV], LENGTH_FW_REV);
591 }
592 if(val[START_MEDIA]) {
593 printf("\t%-20s","Media Serial Num:");
594 print_ascii(&val[START_MEDIA], LENGTH_MEDIA);
595 }
596 if(val[START_MANUF]) {
597 printf("\t%-20s","Media Manufacturer:");
598 print_ascii(&val[START_MANUF], LENGTH_MANUF);
599 }
600
601 /* major & minor standards version number (Note: these words were not
602 * defined until ATA-3 & the CDROM std uses different words.) */
603 printf("Standards:");
604 if(eqpt != CDROM) {
605 if(val[MINOR] && (val[MINOR] <= MINOR_MAX)){
606 if(like_std < 3) like_std = 3;
607 std = actual_ver[val[MINOR]];
608 if(std) {
609 printf("\n\tUsed: ");
610 printf("%s ",minor_str[val[MINOR]]);
611 }
612 }
613 /* looks like when they up-issue the std, they obsolete one;
614 * thus, only the newest 4 issues need be supported. (That's
615 * what "kk" and "min_std" are all about.) */
616 if(val[MAJOR] && (val[MAJOR] !=NOVAL_1)) {
617 printf("\n\tSupported: ");
618 jj = val[MAJOR] << 1;
619 kk = like_std >4 ? like_std-4: 0;
620 for(ii = 14; (ii >0)&&(ii>kk); ii--) {
621 if(jj & 0x8000) {
622 printf("%u ", ii);
623 if(like_std < ii) {
624 like_std = ii;
625 kk = like_std >4 ? like_std-4: 0;
626 }
627 if(min_std > ii) min_std = ii;
628 }
629 jj <<= 1;
630 }
631 if(like_std < 3) like_std = 3;
632 }
633 /* Figure out what standard the device is using if it hasn't told
634 * us. If we know the std, check if the device is using any of
635 * the words from the next level up. It happens.
636 */
637 if(like_std < std) like_std = std;
638 if(((std == 5) || (!std && (like_std < 6))) &&
639 ( (((val[CMDS_SUPP_1] & VALID) == VALID_VAL) &&
640 ((val[CMDS_SUPP_1] & CMDS_W83) > 0x00ff)) ||
641 (((val[CMDS_SUPP_2] & VALID) == VALID_VAL) &&
642 (val[CMDS_SUPP_2] & CMDS_W84) ) ) ) {
643 like_std = 6;
644 } else if(((std == 4) || (!std && (like_std < 5))) &&
645 ((((val[INTEGRITY] & SIG) == SIG_VAL) && !chksum) ||
646 ((val[HWRST_RSLT] & VALID) == VALID_VAL) ||
647 (((val[CMDS_SUPP_1] & VALID) == VALID_VAL) &&
648 ((val[CMDS_SUPP_1] & CMDS_W83) > 0x001f)) ) ) {
649 like_std = 5;
650 } else if(((std == 3) || (!std && (like_std < 4))) &&
651 ((((val[CMDS_SUPP_1] & VALID) == VALID_VAL) &&
652 (((val[CMDS_SUPP_1] & CMDS_W83) > 0x0000) ||
653 ((val[CMDS_SUPP_0] & CMDS_W82) > 0x000f))) ||
654 ((val[CAPAB_1] & VALID) == VALID_VAL) ||
655 ((val[WHATS_VALID] & OK_W88) && val[ULTRA_DMA]) ||
656 ((val[RM_STAT] & RM_STAT_BITS) == RM_STAT_SUP) ) ) {
657 like_std = 4;
658 } else if(((std == 2) || (!std && (like_std < 3))) &&
659 ((val[CMDS_SUPP_1] & VALID) == VALID_VAL) ) {
660 like_std = 3;
661 } else if(((std == 1) || (!std && (like_std < 2))) &&
662 ((val[CAPAB_0] & (IORDY_SUP | IORDY_OFF)) ||
663 (val[WHATS_VALID] & OK_W64_70)) ) {
664 like_std = 2;
665 }
666 if(!std) {
667 printf("\n\tLikely used: %u\n",like_std);
668 } else if(like_std > std) {
669 printf("& some of %u\n",like_std);
670 } else printf("\n");
671 } else {
672 /* TBD: do CDROM stuff more thoroughly. For now... */
673 kk = 0;
674 if(val[CDR_MINOR] == 9) {
675 kk = 1;
676 printf("\n\tUsed: ATAPI for CD-ROMs, SFF-8020i, r2.5");
677 }
678 if(val[CDR_MAJOR] && (val[CDR_MAJOR] !=NOVAL_1)) {
679 kk = 1;
680 printf("\n\tSupported: CD-ROM ATAPI");
681 jj = val[CDR_MAJOR] >> 1;
682 for(ii = 1; ii <15; ii++) {
683 if(jj & 0x0001) {
684 printf("-%u ", ii);
685 }
686 jj >>= 1;
687 }
688 }
689 if(!kk) printf("\n\tLikely used CD-ROM ATAPI-1\n");
690 else printf("\n");
691 /* the cdrom stuff is more like ATA-2 than anything else, so: */
692 like_std = 2;
693 }
694
695 if(min_std == 0xffff) min_std = like_std > 4 ? like_std - 3 : 1;
696
697 printf("Configuration:\n");
698 /* more info from the general configuration word */
699 if((eqpt != CDROM) && (like_std == 1)) {
700 jj = val[GEN_CONFIG] >> 1;
701 for(ii = 1; ii < 15; ii++) {
702 if(jj & 0x0001) printf("\t%s\n",ata1_cfg_str[ii]);
703 jj >>=1;
704 }
705 }
706 if(dev == ATAPI_DEV) {
707 printf("\tDRQ response: "); /* Data Request (DRQ) */
708 switch(val[GEN_CONFIG] & DRQ_RESPONSE_TIME) {
709 case DRQ_3MS_VAL : printf("3ms.\n"); break;
710 case DRQ_INTR_VAL : printf("<=10ms with INTRQ\n"); break;
711 case DRQ_50US_VAL : printf("50us.\n"); break;
712 default : printf("unknown.\n"); break;
713 }
714 printf("\tPacket size: ");
715 switch(val[GEN_CONFIG] & PKT_SIZE_SUPPORTED) {
716 case PKT_SIZE_12_VAL : printf("12 bytes\n"); break;
717 case PKT_SIZE_16_VAL : printf("16 bytes\n"); break;
718 default : printf("Unknown\n"); break;
719 }
720 } else {
721 /* addressing...CHS? See section 6.2 of ATA specs 4 or 5 */
722 ll = (uint32_t)val[LBA_SECTS_MSB] << 16 | val[LBA_SECTS_LSB];
723 mm = 0; bbbig = 0;
724 if ( (ll > 0x00FBFC10) && (!val[LCYLS])) {
725 printf("\tCHS addressing not supported\n");
726 } else {
727 jj = val[WHATS_VALID] & OK_W54_58;
728 printf("\tLogical\t\tmax\tcurrent\n");
729 printf("\tcylinders\t%u\t%u\n",val[LCYLS],jj?val[LCYLS_CUR]:0);
730 printf("\theads\t\t%u\t%u\n",val[LHEADS],jj?val[LHEADS_CUR]:0);
731 printf("\tsectors/track\t%u\t%u\n",val[LSECTS],jj?val[LSECTS_CUR]:0);
732 printf("\t--\n");
733 if((min_std == 1) && (val[TRACK_BYTES] || val[SECT_BYTES])) {
734 printf("\tbytes/track: %u",val[TRACK_BYTES]);
735 printf("\tbytes/sector: %u\n",val[SECT_BYTES]);
736 }
737 if(jj) {
738 mm = (uint32_t)val[CAPACITY_MSB] << 16 | val[CAPACITY_LSB];
739 if(like_std < 3) { /* check Endian of capacity bytes */
740 nn = val[LCYLS_CUR] * val[LHEADS_CUR] * val[LSECTS_CUR];
741 oo = (uint32_t)val[CAPACITY_LSB] << 16 | val[CAPACITY_MSB];
742 if(abs(mm - nn) > abs(oo - nn))
743 mm = oo;
744 }
745 printf("\tCHS current addressable sectors:%11u\n",mm);
746 }
747 }
748 /* LBA addressing */
749 printf("\tLBA user addressable sectors:%11u\n",ll);
750 if( ((val[CMDS_SUPP_1] & VALID) == VALID_VAL) &&
751 (val[CMDS_SUPP_1] & SUPPORT_48_BIT) ) {
752 bbbig = (__u64)val[LBA_64_MSB] << 48 |
753 (__u64)val[LBA_48_MSB] << 32 |
754 (__u64)val[LBA_MID] << 16 |
755 val[LBA_LSB] ;
756 printf("\tLBA48 user addressable sectors:%11llu\n",bbbig);
757 }
758 if (!bbbig) bbbig = (__u64)(ll>mm ? ll : mm); /* # 512 byte blocks */
759 printf("\tdevice size with M = 1024*1024: %11llu MBytes\n",bbbig>>11);
760 bbbig = (bbbig<<9)/1000000;
761 printf("\tdevice size with M = 1000*1000: %11llu MBytes ",bbbig);
762 if(bbbig > 1000) printf("(%llu GB)\n",bbbig/1000);
763 else printf("\n");
764
765 }
766
767 /* hw support of commands (capabilities) */
768 printf("Capabilities:\n");
769 printf("\t");
770 if(dev == ATAPI_DEV) {
771 if(eqpt != CDROM) {
772 if(val[CAPAB_0] & CMD_Q_SUP) printf("Cmd queuing, ");
773 }
774 if(val[CAPAB_0] & OVLP_SUP) printf("Cmd overlap, ");
775 }
776 if(val[CAPAB_0] & LBA_SUP) printf("LBA, ");
777 if(like_std != 1) {
778 printf("IORDY");
779 if(!(val[CAPAB_0] & IORDY_SUP)) printf("(may be)");
780 if(val[CAPAB_0] & IORDY_OFF) printf("(can");
781 else printf("(cannot");
782 printf(" be disabled)");
783 } else printf("no IORDY");
784 printf("\n");
785 if((like_std == 1) && val[BUF_TYPE]) {
786 kk = val[BUF_TYPE];
787 printf("\tBuffer type: %04x: ",kk);
788 if (kk < 2) printf("single port, single-sector");
789 else printf("dual port, multi-sector");
790 if (kk > 2) printf(" with read caching ability");
791 printf("\n");
792 }
793 jj = 0;
794 if((min_std == 1) && (val[BUFFER__SIZE] && (val[BUFFER__SIZE] != NOVAL_1))) {
795 printf("\tBuffer size: %.1fkB",(float)val[BUFFER__SIZE]/2);
796 jj = 1;
797 }
798 if((min_std < 4) && (val[RW_LONG])) {
799 printf("\tbytes avail on r/w long: %u",val[RW_LONG]);
800 jj = 1;
801 }
802 if((eqpt != CDROM) && (like_std > 3)) {
803 printf("\tQueue depth: %u",(val[QUEUE_DEPTH] & DEPTH_BITS)+1);
804 jj = 1;
805 }
806 if(jj) printf("\n");
807 if(dev == ATA_DEV) {
808 if(like_std == 1) {
809 printf("\tCan");
810 if(!val[DWORD_IO]) printf("not");
811 printf(" perform double-word IO\n");
812 } else {
813 printf("\tStandby timer values: spec'd by ");
814 if(val[CAPAB_0] & STD_STBY) printf("Standard");
815 else printf("Vendor");
816 if((like_std > 3) && ((val[CAPAB_1] & VALID) == VALID_VAL)) {
817 if(val[CAPAB_1] & MIN_STANDBY_TIMER) printf(", with ");
818 else printf(", no ");
819 printf("device specific minimum\n");
820 } else printf("\n");
821 }
822 printf("\tR/W multiple sector transfer: ");
823 if((like_std < 3) && !(val[SECTOR_XFER_MAX] & SECTOR_XFER)) {
824 printf("not supported\n");
825 } else {
826 printf("Max = %u\t",val[SECTOR_XFER_MAX] & SECTOR_XFER);
827 printf("Current = ");
828 if(val[SECTOR_XFER_CUR] & MULTIPLE_SETTING_VALID)
829 printf("%u\n",val[SECTOR_XFER_CUR] & SECTOR_XFER);
830 else printf("?\n");
831 }
832 if((like_std > 3) && (val[CMDS_SUPP_1] & 0x0008)) {
833 /* We print out elsewhere whether the APM feature is enabled or
834 not. If it's not enabled, let's not repeat the info; just print
835 nothing here. */
836 printf("\tAdvanced power management level: ");
837 if ( (val[ADV_PWR] & 0xFF00) == 0x4000 ) {
838 uint8_t apm_level = val[ADV_PWR] & 0x00FF;
839
840 printf("%u (0x%x)\n", apm_level, apm_level);
841 } else {
842 printf("unknown setting (0x%04x)\n", val[ADV_PWR]);
843 }
844 }
845 if(like_std > 5) {
846 if(val[ACOUSTIC]) {
847 printf("\tRecommended acoustic management value: %u, current value: %u\n", (val[ACOUSTIC] >> 8) & 0x00ff, val[ACOUSTIC] & 0x00ff);
848 }
849 }
850 } else { /* ATAPI */
851 if(eqpt != CDROM) {
852 if(val[CAPAB_0] & SWRST_REQ) printf("\tATA sw reset required\n");
853 }
854 if(val[PKT_REL] || val[SVC_NBSY]) {
855 printf("\tOverlap support:");
856 if(val[PKT_REL]) printf(" %uus to release bus.",val[PKT_REL]);
857 if(val[SVC_NBSY]) printf(" %uus to clear BSY after SERVICE cmd.",val[SVC_NBSY]);
858 printf("\n");
859 }
860 }
861
862 /* DMA stuff. Check that only one DMA mode is selected. */
863 printf("\tDMA: ");
864 if(!(val[CAPAB_0] & DMA_SUP)) {
865 printf("not supported\n");
866 } else {
867 if(val[DMA_MODE] && !val[SINGLE_DMA] && !val[MULTI_DMA])
868 printf(" sdma%u\n",(val[DMA_MODE] & MODE) >> 8);
869 if(val[SINGLE_DMA]) {
870 jj = val[SINGLE_DMA]; kk = val[SINGLE_DMA] >> 8;
871 err_dma += mode_loop(jj,kk,'s',&have_mode);
872 }
873 if(val[MULTI_DMA]) {
874 jj = val[MULTI_DMA]; kk = val[MULTI_DMA] >> 8;
875 err_dma += mode_loop(jj,kk,'m',&have_mode);
876 }
877 if((val[WHATS_VALID] & OK_W88) && val[ULTRA_DMA]) {
878 jj = val[ULTRA_DMA]; kk = val[ULTRA_DMA] >> 8;
879 err_dma += mode_loop(jj,kk,'u',&have_mode);
880 }
881 if(err_dma || !have_mode) printf("(?)");
882 printf("\n");
883
884 if((dev == ATAPI_DEV) && (eqpt != CDROM) && (val[CAPAB_0] & DMA_IL_SUP))
885 printf("\t Interleaved DMA support\n");
886
887 if((val[WHATS_VALID] & OK_W64_70) &&
888 (val[DMA_TIME_MIN] || val[DMA_TIME_NORM])) {
889 printf("\t Cycle time:");
890 if(val[DMA_TIME_MIN])
891 printf(" min=%uns",val[DMA_TIME_MIN]);
892 if(val[DMA_TIME_NORM])
893 printf(" recommended=%uns",val[DMA_TIME_NORM]);
894 printf("\n");
895 }
896 }
897
898 /* Programmed IO stuff */
899 printf("\tPIO: ");
900 /* If a drive supports mode n (e.g. 3), it also supports all modes less
901 * than n (e.g. 3, 2, 1 and 0). Print all the modes. */
902 if((val[WHATS_VALID] & OK_W64_70) && (val[ADV_PIO_MODES] & PIO_SUP)) {
903 jj = ((val[ADV_PIO_MODES] & PIO_SUP) << 3) | 0x0007;
904 for(ii = 0; ii <= PIO_MODE_MAX ; ii++) {
905 if(jj & 0x0001)
906 printf("pio%d ",ii);
907 jj >>=1;
908 }
909 printf("\n");
910 } else if(((min_std < 5) || (eqpt == CDROM)) && (val[PIO_MODE] & MODE) ) {
911 for(ii = 0; ii <= val[PIO_MODE]>>8; ii++) {
912 printf("pio%d ",ii);
913 }
914 printf("\n");
915 } else printf("unknown\n");
916 if(val[WHATS_VALID] & OK_W64_70) {
917 if(val[PIO_NO_FLOW] || val[PIO_FLOW]) {
918 printf("\t Cycle time:");
919 if(val[PIO_NO_FLOW])
920 printf(" no flow control=%uns", val[PIO_NO_FLOW]);
921 if(val[PIO_FLOW])
922 printf(" IORDY flow control=%uns", val[PIO_FLOW]);
923 printf("\n");
924 }
925 }
926
927 if((val[CMDS_SUPP_1] & VALID) == VALID_VAL){
928 printf("Commands/features:\n\tEnabled\tSupported:\n");
929 jj = val[CMDS_SUPP_0];
930 kk = val[CMDS_EN_0];
931 for(ii = 0; ii < NUM_CMD_FEAT_STR; ii++) {
932 if((jj & 0x8000) && (*cmd_feat_str[ii] != '\0')) {
933 if(kk & 0x8000) printf("\t *");
934 else printf("\t");
935 printf("\t%s\n",cmd_feat_str[ii]);
936 }
937 jj <<=1; kk<<=1;
938 if(ii%16 == 15) {
939 jj = val[CMDS_SUPP_0+1+(ii/16)];
940 kk = val[CMDS_EN_0+1+(ii/16)];
941 }
942 if(ii == 31) {
943 if((val[CMDS_SUPP_2] & VALID) != VALID_VAL) ii +=16;
944 }
945 }
946 }
947 if((val[RM_STAT] & RM_STAT_BITS) == RM_STAT_SUP)
948 printf("\tRemovable Media Status Notification feature set supported\n");
949
950
951 /* security */
952 if((eqpt != CDROM) && (like_std > 3) &&
953 (val[SECU_STATUS] || val[ERASE_TIME] || val[ENH_ERASE_TIME])) {
954 printf("Security: \n");
955 if(val[PSWD_CODE] && (val[PSWD_CODE] != NOVAL_1))
956 printf("\tMaster password revision code = %u\n",val[PSWD_CODE]);
957 jj = val[SECU_STATUS];
958 if(jj) {
959 for(ii = 0; ii < NUM_SECU_STR; ii++) {
960 if(!(jj & 0x0001)) printf("\tnot\t");
961 else printf("\t\t");
962 printf("%s\n",secu_str[ii]);
963 jj >>=1;
964 }
965 if(val[SECU_STATUS] & SECU_ENABLED) {
966 printf("\tSecurity level ");
967 if(val[SECU_STATUS] & SECU_LEVEL) printf("maximum\n");
968 else printf("high\n");
969 }
970 }
971 jj = val[ERASE_TIME] & ERASE_BITS;
972 kk = val[ENH_ERASE_TIME] & ERASE_BITS;
973 if(jj || kk) {
974 printf("\t");
975 if(jj) printf("%umin for SECURITY ERASE UNIT. ", jj==ERASE_BITS ? 508 : jj<<1);
976 if(kk) printf("%umin for ENHANCED SECURITY ERASE UNIT.", kk==ERASE_BITS ? 508 : kk<<1);
977 printf("\n");
978 }
979 }
980
981 /* reset result */
982 if((val[HWRST_RSLT] & VALID) == VALID_VAL) {
983 printf("HW reset results:\n");
984 if(val[HWRST_RSLT] & CBLID) printf("\tCBLID- above Vih\n");
985 else printf("\tCBLID- below Vih\n");
986 if(val[HWRST_RSLT] & RST0) {
987 printf("\tDevice num = 0");
988 jj = val[HWRST_RSLT];
989 } else {
990 printf("\tDevice num = 1");
991 jj = val[HWRST_RSLT] >> 8;
992 }
993 if((jj & DEV_DET) == JUMPER_VAL)
994 printf(" determined by the jumper");
995 else if((jj & DEV_DET) == CSEL_VAL)
996 printf(" determined by CSEL");
997 printf("\n");
998 }
999
1000 /* more stuff from std 5 */
1001 if((like_std > 4) && (eqpt != CDROM)) {
1002 if(val[CFA_PWR_MODE] & VALID_W160) {
1003 printf("CFA power mode 1:\n\t");
1004 if(val[CFA_PWR_MODE] & PWR_MODE_OFF) printf("dis");
1005 else printf("en");
1006 printf("abled");
1007 if(val[CFA_PWR_MODE] & PWR_MODE_REQ)
1008 printf(" and required by some commands");
1009 printf("\n");
1010 if(val[CFA_PWR_MODE] & MAX_AMPS)
1011 printf("\tMaximum current = %uma\n",val[CFA_PWR_MODE] & MAX_AMPS);
1012 }
1013 if((val[INTEGRITY] & SIG) == SIG_VAL) {
1014 printf("Checksum: ");
1015 if(chksum) printf("in");
1016 printf("correct\n");
1017 }
1018 }
1019
1020 exit(0);
1021}
1022#endif
1023
1024#define VERSION "v5.4"
1025
Eric Andersen50af12d2003-08-06 08:47:59 +0000[diff] [blame]1026#define TIMING_MB 64
1027#define TIMING_BUF_MB 1
Eric Andersen3443bd72003-07-22 07:30:36 +0000[diff] [blame]1028#define TIMING_BUF_BYTES (TIMING_BUF_MB * 1024 * 1024)
Eric Andersen50af12d2003-08-06 08:47:59 +0000[diff] [blame]1029#define TIMING_BUF_COUNT (timing_MB / TIMING_BUF_MB)
Eric Andersen3443bd72003-07-22 07:30:36 +0000[diff] [blame]1030#define BUFCACHE_FACTOR 2
1031
Eric Andersen50af12d2003-08-06 08:47:59 +0000[diff] [blame]1032#undef DO_FLUSHCACHE /* under construction: force cache flush on -W0 */
1033
Eric Andersen3443bd72003-07-22 07:30:36 +0000[diff] [blame]1034static int verbose = 0, get_identity = 0, get_geom = 0, noisy = 1, quiet = 0;
1035static int flagcount = 0, do_flush = 0, is_scsi_hd = 0, is_xt_hd = 0;
1036static int do_ctimings, do_timings = 0;
1037
1038static unsigned long set_readahead= 0, get_readahead= 0, readahead= 0;
1039static unsigned long set_readonly = 0, get_readonly = 0, readonly = 0;
1040static unsigned long set_unmask = 0, get_unmask = 0, unmask = 0;
1041static unsigned long set_mult = 0, get_mult = 0, mult = 0;
Eric Andersenf1c56a92003-08-08 22:13:41 +0000[diff] [blame]1042#ifdef CONFIG_FEATURE_HDPARM_HDIO_GETSET_DMA
Eric Andersen3443bd72003-07-22 07:30:36 +0000[diff] [blame]1043static unsigned long set_dma = 0, get_dma = 0, dma = 0;
Eric Andersenf1c56a92003-08-08 22:13:41 +0000[diff] [blame]1044#endif
Eric Andersen3443bd72003-07-22 07:30:36 +0000[diff] [blame]1045static unsigned long set_dma_q = 0, get_dma_q = 0, dma_q = 0;
1046static unsigned long set_nowerr = 0, get_nowerr = 0, nowerr = 0;
1047static unsigned long set_keep = 0, get_keep = 0, keep = 0;
1048static unsigned long set_io32bit = 0, get_io32bit = 0, io32bit = 0;
1049static unsigned long set_piomode = 0, noisy_piomode= 0;
1050static int piomode = 0;
1051#ifdef HDIO_DRIVE_CMD
1052static unsigned long set_dkeep = 0, get_dkeep = 0, dkeep = 0;
1053static unsigned long set_standby = 0, get_standby = 0, standby_requested= 0;
1054static unsigned long set_xfermode = 0, get_xfermode = 0;
1055static int xfermode_requested= 0;
1056static unsigned long set_lookahead= 0, get_lookahead= 0, lookahead= 0;
1057static unsigned long set_prefetch = 0, get_prefetch = 0, prefetch = 0;
1058static unsigned long set_defects = 0, get_defects = 0, defects = 0;
1059static unsigned long set_wcache = 0, get_wcache = 0, wcache = 0;
1060static unsigned long set_doorlock = 0, get_doorlock = 0, doorlock = 0;
1061static unsigned long set_seagate = 0, get_seagate = 0;
1062static unsigned long set_standbynow = 0, get_standbynow = 0;
1063static unsigned long set_sleepnow = 0, get_sleepnow = 0;
1064static unsigned long get_powermode = 0;
1065static unsigned long set_apmmode = 0, get_apmmode= 0, apmmode = 0;
1066#endif
1067#ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
1068static int get_IDentity = 0;
1069#endif
1070#ifdef CONFIG_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF
1071static int unregister_hwif = 0;
1072static int hwif = 0;
1073#endif
1074#ifdef CONFIG_FEATURE_HDPARM_HDIO_SCAN_HWIF
1075static int scan_hwif = 0;
1076static int hwif_data = 0;
1077static int hwif_ctrl = 0;
1078static int hwif_irq = 0;
1079#endif
1080#ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
1081static int set_busstate = 0, get_busstate = 0, busstate = 0;
1082#endif
1083static int reread_partn = 0;
1084
1085#ifdef CONFIG_FEATURE_HDPARM_HDIO_DRIVE_RESET
1086static int perform_reset = 0;
1087#endif /* CONFIG_FEATURE_HDPARM_HDIO_DRIVE_RESET */
1088#ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
1089static int perform_tristate = 0, tristate = 0;
1090#endif /* CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF */
1091
1092// Historically, if there was no HDIO_OBSOLETE_IDENTITY, then
1093// then the HDIO_GET_IDENTITY only returned 142 bytes.
1094// Otherwise, HDIO_OBSOLETE_IDENTITY returns 142 bytes,
1095// and HDIO_GET_IDENTITY returns 512 bytes. But the latest
1096// 2.5.xx kernels no longer define HDIO_OBSOLETE_IDENTITY
1097// (which they should, but they should just return -EINVAL).
1098//
1099// So.. we must now assume that HDIO_GET_IDENTITY returns 512 bytes.
1100// On a really old system, it will not, and we will be confused.
1101// Too bad, really.
1102
1103#ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
1104static const char *cfg_str[] =
1105{ "", " HardSect", " SoftSect", " NotMFM",
1106 " HdSw>15uSec", " SpinMotCtl", " Fixed", " Removeable",
1107 " DTR<=5Mbs", " DTR>5Mbs", " DTR>10Mbs", " RotSpdTol>.5%",
1108 " dStbOff", " TrkOff", " FmtGapReq", " nonMagnetic"
1109};
1110
1111static const char *BuffType[] = {"unknown", "1Sect", "DualPort", "DualPortCache"};
1112
1113#define YN(b) (((b)==0)?"no":"yes")
1114
1115static void dmpstr (const char *prefix, unsigned int i, const char *s[], unsigned int maxi)
1116{
1117 if (i > maxi)
1118 printf("%s%u", prefix, i);
1119 else
1120 printf("%s%s", prefix, s[i]);
1121}
1122
1123static void dump_identity (const struct hd_driveid *id)
1124{
1125 int i;
1126 char pmodes[64] = {0,}, dmodes[128]={0,}, umodes[128]={0,};
1127 const unsigned short int *id_regs= (const void*) id;
1128 unsigned long capacity;
1129
1130 printf("\n Model=%.40s, FwRev=%.8s, SerialNo=%.20s",
1131 id->model, id->fw_rev, id->serial_no);
1132 printf("\n Config={");
1133 for (i=0; i<=15; i++) {
1134 if (id->config & (1<<i))
1135 printf("%s", cfg_str[i]);
1136 }
1137 printf(" }\n");
1138 printf(" RawCHS=%u/%u/%u, TrkSize=%u, SectSize=%u, ECCbytes=%u\n",
1139 id->cyls, id->heads, id->sectors,
1140 id->track_bytes, id->sector_bytes, id->ecc_bytes);
1141 dmpstr(" BuffType=",id->buf_type,BuffType,3);
1142 printf(", BuffSize=%ukB, MaxMultSect=%u", id->buf_size/2, id->max_multsect);
1143 if (id->max_multsect) {
1144 printf(", MultSect=");
1145 if (!(id->multsect_valid&1))
1146 printf("?%u?", id->multsect);
1147 else if (id->multsect)
1148 printf("%u", id->multsect);
1149 else
1150 printf("off");
1151 }
1152 putchar('\n');
1153 if (id->tPIO <= 5) {
1154 strcat(pmodes, "pio0 ");
1155 if (id->tPIO >= 1) strcat(pmodes, "pio1 ");
1156 if (id->tPIO >= 2) strcat(pmodes, "pio2 ");
1157 }
1158 if (!(id->field_valid&1))
1159 printf(" (maybe):");
1160#if __BYTE_ORDER == __BIG_ENDIAN
1161 capacity = (id->cur_capacity0 << 16) | id->cur_capacity1;
1162#else
1163 capacity = (id->cur_capacity1 << 16) | id->cur_capacity0;
1164#endif
1165 printf(" CurCHS=%u/%u/%u, CurSects=%lu", id->cur_cyls, id->cur_heads, id->cur_sectors, capacity);
1166 printf(", LBA=%s", YN(id->capability&2));
1167 if (id->capability&2)
1168 printf(", LBAsects=%u", id->lba_capacity);
1169
1170 if (id->capability&1) {
1171 if (id->dma_1word | id->dma_mword) {
1172 if (id->dma_1word & 0x100) strcat(dmodes,"*");
1173 if (id->dma_1word & 1) strcat(dmodes,"sdma0 ");
1174 if (id->dma_1word & 0x200) strcat(dmodes,"*");
1175 if (id->dma_1word & 2) strcat(dmodes,"sdma1 ");
1176 if (id->dma_1word & 0x400) strcat(dmodes,"*");
1177 if (id->dma_1word & 4) strcat(dmodes,"sdma2 ");
1178 if (id->dma_1word & 0xf800) strcat(dmodes,"*");
1179 if (id->dma_1word & 0xf8) strcat(dmodes,"sdma? ");
1180 if (id->dma_mword & 0x100) strcat(dmodes,"*");
1181 if (id->dma_mword & 1) strcat(dmodes,"mdma0 ");
1182 if (id->dma_mword & 0x200) strcat(dmodes,"*");
1183 if (id->dma_mword & 2) strcat(dmodes,"mdma1 ");
1184 if (id->dma_mword & 0x400) strcat(dmodes,"*");
1185 if (id->dma_mword & 4) strcat(dmodes,"mdma2 ");
1186 if (id->dma_mword & 0xf800) strcat(dmodes,"*");
1187 if (id->dma_mword & 0xf8) strcat(dmodes,"mdma? ");
1188 }
1189 }
1190 printf("\n IORDY=");
1191 if (id->capability&8)
1192 printf((id->capability&4) ? "on/off" : "yes");
1193 else
1194 printf("no");
1195 if ((id->capability&8) || (id->field_valid&2)) {
1196 if (id->field_valid&2) {
1197 printf(", tPIO={min:%u,w/IORDY:%u}", id->eide_pio, id->eide_pio_iordy);
1198 if (id->eide_pio_modes & 1) strcat(pmodes, "pio3 ");
1199 if (id->eide_pio_modes & 2) strcat(pmodes, "pio4 ");
1200 if (id->eide_pio_modes &~3) strcat(pmodes, "pio? ");
1201 }
1202 if (id->field_valid&4) {
1203 if (id->dma_ultra & 0x100) strcat(umodes,"*");
1204 if (id->dma_ultra & 0x001) strcat(umodes,"udma0 ");
1205 if (id->dma_ultra & 0x200) strcat(umodes,"*");
1206 if (id->dma_ultra & 0x002) strcat(umodes,"udma1 ");
1207 if (id->dma_ultra & 0x400) strcat(umodes,"*");
1208 if (id->dma_ultra & 0x004) strcat(umodes,"udma2 ");
1209#ifdef __NEW_HD_DRIVE_ID
1210 if (id->hw_config & 0x2000) {
1211#else /* !__NEW_HD_DRIVE_ID */
1212 if (id->word93 & 0x2000) {
1213#endif /* __NEW_HD_DRIVE_ID */
1214 if (id->dma_ultra & 0x0800) strcat(umodes,"*");
1215 if (id->dma_ultra & 0x0008) strcat(umodes,"udma3 ");
1216 if (id->dma_ultra & 0x1000) strcat(umodes,"*");
1217 if (id->dma_ultra & 0x0010) strcat(umodes,"udma4 ");
1218 if (id->dma_ultra & 0x2000) strcat(umodes,"*");
1219 if (id->dma_ultra & 0x0020) strcat(umodes,"udma5 ");
1220 if (id->dma_ultra & 0x4000) strcat(umodes,"*");
1221 if (id->dma_ultra & 0x0040) strcat(umodes,"udma6 ");
1222 if (id->dma_ultra & 0x8000) strcat(umodes,"*");
1223 if (id->dma_ultra & 0x0080) strcat(umodes,"udma7 ");
1224 }
1225 }
1226 }
1227 if ((id->capability&1) && (id->field_valid&2))
1228 printf(", tDMA={min:%u,rec:%u}", id->eide_dma_min, id->eide_dma_time);
1229 printf("\n PIO modes: %s", pmodes);
1230 if (*dmodes)
1231 printf("\n DMA modes: %s", dmodes);
1232 if (*umodes)
1233 printf("\n UDMA modes: %s", umodes);
1234
1235 printf("\n AdvancedPM=%s",YN(id_regs[83]&8));
1236 if (id_regs[83] & 8) {
1237 if (!(id_regs[86]&8))
1238 printf(": disabled (255)");
1239 else if ((id_regs[91]&0xFF00)!=0x4000)
1240 printf(": unknown setting");
1241 else
1242 printf(": mode=0x%02X (%u)",id_regs[91]&0xFF,id_regs[91]&0xFF);
1243 }
1244 if (id_regs[82]&0x20)
1245 printf(" WriteCache=%s",(id_regs[85]&0x20) ? "enabled" : "disabled");
1246#ifdef __NEW_HD_DRIVE_ID
1247 if ((id->minor_rev_num && id->minor_rev_num <= 31) || (id->major_rev_num && id->minor_rev_num <= 31)) {
1248 printf("\n Drive conforms to: ");
1249 if (id->minor_rev_num <= 31)
1250 printf("%s: ", minor_str[id->minor_rev_num]);
1251 else
1252 printf("unknown: ");
1253 if (id->major_rev_num < 31) {
1254 for (i=0; i <= 15; i++) {
1255 if (id->major_rev_num & (1<<i))
1256 printf(" %u", i);
1257 }
1258 }
1259 }
1260#endif /* __NEW_HD_DRIVE_ID */
1261 printf("\n");
1262 printf("\n * signifies the current active mode\n");
1263 printf("\n");
1264}
1265#endif
1266
1267static void flush_buffer_cache (int fd)
1268{
1269 fsync (fd); /* flush buffers */
1270 if (ioctl(fd, BLKFLSBUF, NULL)) /* do it again, big time */
1271 bb_perror_msg("BLKFLSBUF failed");
1272#ifdef HDIO_DRIVE_CMD
1273 if (is_scsi_hd || is_xt_hd) {
1274 sleep(1);
1275 } else {
1276 if (ioctl(fd, HDIO_DRIVE_CMD, NULL) && errno != EINVAL) /* await completion */
1277 bb_perror_msg("HDIO_DRIVE_CMD(null) (wait for flush complete) failed");
1278 }
1279#endif
1280}
1281
1282static int seek_to_zero (int fd)
1283{
1284 if (lseek(fd, (off_t) 0, SEEK_SET)) {
1285 bb_perror_msg("lseek() failed");
1286 return 1;
1287 }
1288 return 0;
1289}
1290
1291static int read_big_block (int fd, char *buf)
1292{
1293 int i, rc;
1294 if ((rc = read(fd, buf, TIMING_BUF_BYTES)) != TIMING_BUF_BYTES) {
1295 if (rc) {
1296 if (rc == -1)
1297 bb_perror_msg("read() failed");
1298 else
1299 bb_error_msg("read(%u) returned %u bytes", TIMING_BUF_BYTES, rc);
1300 } else {
1301 fputs ("read() hit EOF - device too small\n", stderr);
1302 }
1303 return 1;
1304 }
1305 /* access all sectors of buf to ensure the read fully completed */
1306 for (i = 0; i < TIMING_BUF_BYTES; i += 512)
1307 buf[i] &= 1;
1308 return 0;
1309}
1310
Eric Andersen50af12d2003-08-06 08:47:59 +0000[diff] [blame]1311static double correction = 0.0;
1312
1313void time_cache (int fd)
Eric Andersen3443bd72003-07-22 07:30:36 +0000[diff] [blame]1314{
Eric Andersen50af12d2003-08-06 08:47:59 +0000[diff] [blame]1315 int i;
Eric Andersen3443bd72003-07-22 07:30:36 +0000[diff] [blame]1316 char *buf;
1317 struct itimerval e1, e2;
1318 int shmid;
Eric Andersen50af12d2003-08-06 08:47:59 +0000[diff] [blame]1319 int timing_MB = TIMING_MB;
Eric Andersen3443bd72003-07-22 07:30:36 +0000[diff] [blame]1320
1321 if ((shmid = shmget(IPC_PRIVATE, TIMING_BUF_BYTES, 0600)) == -1) {
1322 bb_perror_msg ("could not allocate sharedmem buf");
1323 return;
1324 }
1325 if (shmctl(shmid, SHM_LOCK, NULL) == -1) {
1326 bb_perror_msg ("could not lock sharedmem buf");
1327 (void) shmctl(shmid, IPC_RMID, NULL);
1328 return;
1329 }
1330 if ((buf = shmat(shmid, (char *) 0, 0)) == (char *) -1) {
1331 bb_perror_msg ("could not attach sharedmem buf");
1332 (void) shmctl(shmid, IPC_RMID, NULL);
1333 return;
1334 }
1335 if (shmctl(shmid, IPC_RMID, NULL) == -1)
1336 bb_perror_msg ("shmctl(,IPC_RMID,) failed");
1337
1338 /* Clear out the device request queues & give them time to complete */
1339 sync();
1340 sleep(3);
1341
Eric Andersen50af12d2003-08-06 08:47:59 +0000[diff] [blame]1342 /* Calculate a correction factor for the basic
1343 * overhead of doing a read() from the buffer cache.
1344 * To do this, we read the data once to "cache it" and
1345 * to force full preallocation of our timing buffer,
1346 * and then we re-read it 10 times while timing it.
1347 *
Eric Andersen3443bd72003-07-22 07:30:36 +0000[diff] [blame]1348 * getitimer() is used rather than gettimeofday() because
1349 * it is much more consistent (on my machine, at least).
1350 */
1351 setitimer(ITIMER_REAL, &(struct itimerval){{1000,0},{1000,0}}, NULL);
1352 if (seek_to_zero (fd)) return;
1353 if (read_big_block (fd, buf)) return;
1354 printf(" Timing buffer-cache reads: ");
1355 fflush(stdout);
1356
1357 /* Clear out the device request queues & give them time to complete */
1358 sync();
1359 sleep(1);
1360
Eric Andersen50af12d2003-08-06 08:47:59 +0000[diff] [blame]1361 /* Time re-reading from the buffer-cache */
Eric Andersen3443bd72003-07-22 07:30:36 +0000[diff] [blame]1362 getitimer(ITIMER_REAL, &e1);
Eric Andersen50af12d2003-08-06 08:47:59 +0000[diff] [blame]1363 for (i = (BUFCACHE_FACTOR * TIMING_BUF_COUNT) ; i > 0; --i) {
1364 if (seek_to_zero (fd)) goto quit;
1365 if (read_big_block (fd, buf)) goto quit;
1366 }
1367 getitimer(ITIMER_REAL, &e2);
1368 correction = (e1.it_value.tv_sec - e2.it_value.tv_sec)
Eric Andersen3443bd72003-07-22 07:30:36 +0000[diff] [blame]1369 + ((e1.it_value.tv_usec - e2.it_value.tv_usec) / 1000000.0);
1370
Eric Andersen50af12d2003-08-06 08:47:59 +0000[diff] [blame]1371 /* Now remove the lseek() from the correction factor */
Eric Andersen3443bd72003-07-22 07:30:36 +0000[diff] [blame]1372 getitimer(ITIMER_REAL, &e1);
Eric Andersen50af12d2003-08-06 08:47:59 +0000[diff] [blame]1373 for (i = (BUFCACHE_FACTOR * TIMING_BUF_COUNT) ; i > 0; --i) {
1374 if (seek_to_zero (fd)) goto quit;
1375 }
1376 getitimer(ITIMER_REAL, &e2);
1377 correction -= (e1.it_value.tv_sec - e2.it_value.tv_sec)
1378 + ((e1.it_value.tv_usec - e2.it_value.tv_usec) / 1000000.0);
Eric Andersen3443bd72003-07-22 07:30:36 +0000[diff] [blame]1379
Eric Andersen50af12d2003-08-06 08:47:59 +0000[diff] [blame]1380 if ((BUFCACHE_FACTOR * timing_MB) >= correction) /* more than 1MB/s */
1381 printf("%2d MB in %5.2f seconds =%6.2f MB/sec\n",
1382 (BUFCACHE_FACTOR * timing_MB), correction,
1383 (BUFCACHE_FACTOR * timing_MB) / correction);
Eric Andersen3443bd72003-07-22 07:30:36 +0000[diff] [blame]1384 else
Eric Andersen50af12d2003-08-06 08:47:59 +0000[diff] [blame]1385 printf("%2d MB in %5.2f seconds =%6.2f kB/sec\n",
1386 (BUFCACHE_FACTOR * timing_MB), correction,
1387 (BUFCACHE_FACTOR * timing_MB) / correction * 1024);
1388 correction /= BUFCACHE_FACTOR;
Eric Andersen3443bd72003-07-22 07:30:36 +0000[diff] [blame]1389
1390 flush_buffer_cache(fd);
1391 sleep(1);
1392quit:
1393 if (-1 == shmdt(buf))
1394 bb_perror_msg ("could not detach sharedmem buf");
1395}
1396
Eric Andersen50af12d2003-08-06 08:47:59 +0000[diff] [blame]1397void time_device (int fd)
Eric Andersen3443bd72003-07-22 07:30:36 +0000[diff] [blame]1398{
Eric Andersen50af12d2003-08-06 08:47:59 +0000[diff] [blame]1399 int i;
Eric Andersen3443bd72003-07-22 07:30:36 +0000[diff] [blame]1400 char *buf;
1401 double elapsed;
1402 struct itimerval e1, e2;
1403 int shmid;
Eric Andersen50af12d2003-08-06 08:47:59 +0000[diff] [blame]1404 int timing_MB = TIMING_MB;
Eric Andersen3443bd72003-07-22 07:30:36 +0000[diff] [blame]1405
1406 if ((shmid = shmget(IPC_PRIVATE, TIMING_BUF_BYTES, 0600)) == -1) {
1407 bb_perror_msg ("could not allocate sharedmem buf");
1408 return;
1409 }
1410 if (shmctl(shmid, SHM_LOCK, NULL) == -1) {
1411 bb_perror_msg ("could not lock sharedmem buf");
1412 (void) shmctl(shmid, IPC_RMID, NULL);
1413 return;
1414 }
1415 if ((buf = shmat(shmid, (char *) 0, 0)) == (char *) -1) {
1416 bb_perror_msg ("could not attach sharedmem buf");
1417 (void) shmctl(shmid, IPC_RMID, NULL);
1418 return;
1419 }
1420 if (shmctl(shmid, IPC_RMID, NULL) == -1)
1421 bb_perror_msg ("shmctl(,IPC_RMID,) failed");
1422
1423 /* Clear out the device request queues & give them time to complete */
1424 sync();
1425 sleep(3);
1426
1427 printf(" Timing buffered disk reads: ");
1428 fflush(stdout);
1429
1430 /*
1431 * getitimer() is used rather than gettimeofday() because
1432 * it is much more consistent (on my machine, at least).
1433 */
1434 setitimer(ITIMER_REAL, &(struct itimerval){{1000,0},{1000,0}}, NULL);
1435
1436 /* Now do the timings for real */
Eric Andersen3443bd72003-07-22 07:30:36 +0000[diff] [blame]1437 getitimer(ITIMER_REAL, &e1);
Eric Andersen50af12d2003-08-06 08:47:59 +0000[diff] [blame]1438 for (i = TIMING_BUF_COUNT; i > 0; --i) {
1439 if (read_big_block (fd, buf)) goto quit;
1440 }
1441 getitimer(ITIMER_REAL, &e2);
Eric Andersen3443bd72003-07-22 07:30:36 +0000[diff] [blame]1442
Eric Andersen50af12d2003-08-06 08:47:59 +0000[diff] [blame]1443 elapsed = (e1.it_value.tv_sec - e2.it_value.tv_sec)
1444 + ((e1.it_value.tv_usec - e2.it_value.tv_usec) / 1000000.0);
1445 if (timing_MB >= elapsed) /* more than 1MB/s */
1446 printf("%2d MB in %5.2f seconds =%6.2f MB/sec\n",
1447 timing_MB, elapsed, timing_MB / elapsed);
Eric Andersen3443bd72003-07-22 07:30:36 +0000[diff] [blame]1448 else
Eric Andersen50af12d2003-08-06 08:47:59 +0000[diff] [blame]1449 printf("%2d MB in %5.2f seconds =%6.2f kB/sec\n",
1450 timing_MB, elapsed, timing_MB / elapsed * 1024);
1451
1452 if (elapsed <= (correction * 2))
1453 printf("Hmm.. suspicious results: probably not enough free memory for a proper test.\n");
1454#if 0 /* the "estimate" is just plain wrong for many systems.. */
1455 else if (correction != 0.0) {
1456 printf(" Estimating raw driver speed: ");
1457 elapsed -= correction;
1458 if (timing_MB >= elapsed) /* more than 1MB/s */
1459 printf("%2d MB in %5.2f seconds =%6.2f MB/sec\n",
1460 timing_MB, elapsed, timing_MB / elapsed);
1461 else
1462 printf("%2d MB in %5.2f seconds =%6.2f kB/sec\n",
1463 timing_MB, elapsed, timing_MB / elapsed * 1024);
1464 }
1465#endif
Eric Andersen3443bd72003-07-22 07:30:36 +0000[diff] [blame]1466quit:
1467 if (-1 == shmdt(buf))
1468 bb_perror_msg ("could not detach sharedmem buf");
1469}
1470
1471static void no_scsi (void)
1472{
1473 if (is_scsi_hd) {
1474 bb_error_msg_and_die(" operation not supported on SCSI disks\n");
1475 }
1476}
1477
1478static void no_xt (void)
1479{
1480 if (is_xt_hd) {
1481 bb_error_msg_and_die (" operation not supported on XT disks\n");
1482 }
1483}
1484
1485static void on_off (unsigned int value)
1486{
1487 printf(value ? " (on)\n" : " (off)\n");
1488}
1489
1490#ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
1491static void bus_state_value (unsigned int value)
1492{
1493 const char *string;
1494
1495 switch (value) {
1496 case BUSSTATE_ON:
1497 string = " (on)\n";
1498 break;
1499 case BUSSTATE_OFF:
1500 string = " (off)\n";
1501 break;
1502 case BUSSTATE_TRISTATE:
1503 string = " (tristate)\n";
1504 break;
1505 default:
1506 string = " (unknown: %d)\n";
1507 break;
1508 }
1509 printf(string, value);
1510}
1511#endif
1512
1513#ifdef HDIO_DRIVE_CMD
1514static void interpret_standby (unsigned int standby)
1515{
1516 printf(" (");
1517 switch(standby) {
1518 case 0: printf("off");
1519 break;
1520 case 252: printf("21 minutes");
1521 break;
1522 case 253: printf("vendor-specific");
1523 break;
1524 case 254: printf("?reserved");
1525 break;
1526 case 255: printf("21 minutes + 15 seconds");
1527 break;
1528 default:
1529 if (standby <= 240) {
1530 unsigned int secs = standby * 5;
1531 unsigned int mins = secs / 60;
1532 secs %= 60;
1533 if (mins) printf("%u minutes", mins);
1534 if (mins && secs) printf(" + ");
1535 if (secs) printf("%u seconds", secs);
1536 } else if (standby <= 251) {
1537 unsigned int mins = (standby - 240) * 30;
1538 unsigned int hrs = mins / 60;
1539 mins %= 60;
1540 if (hrs) printf("%u hours", hrs);
1541 if (hrs && mins) printf(" + ");
1542 if (mins) printf("%u minutes", mins);
1543 } else
1544 printf("illegal value");
1545 break;
1546 }
1547 printf(")\n");
1548}
1549
1550struct xfermode_entry {
1551 int val;
1552 const char *name;
1553};
1554
1555static const struct xfermode_entry xfermode_table[] = {
1556 { 8, "pio0" },
1557 { 9, "pio1" },
1558 { 10, "pio2" },
1559 { 11, "pio3" },
1560 { 12, "pio4" },
1561 { 13, "pio5" },
1562 { 14, "pio6" },
1563 { 15, "pio7" },
1564 { 16, "sdma0" },
1565 { 17, "sdma1" },
1566 { 18, "sdma2" },
1567 { 19, "sdma3" },
1568 { 20, "sdma4" },
1569 { 21, "sdma5" },
1570 { 22, "sdma6" },
1571 { 23, "sdma7" },
1572 { 32, "mdma0" },
1573 { 33, "mdma1" },
1574 { 34, "mdma2" },
1575 { 35, "mdma3" },
1576 { 36, "mdma4" },
1577 { 37, "mdma5" },
1578 { 38, "mdma6" },
1579 { 39, "mdma7" },
1580 { 64, "udma0" },
1581 { 65, "udma1" },
1582 { 66, "udma2" },
1583 { 67, "udma3" },
1584 { 68, "udma4" },
1585 { 69, "udma5" },
1586 { 70, "udma6" },
1587 { 71, "udma7" },
1588 { 0, NULL }
1589};
1590
1591static int translate_xfermode(char * name)
1592{
1593 const struct xfermode_entry *tmp;
1594 char *endptr;
1595 int val = -1;
1596
1597
1598 for (tmp = xfermode_table; tmp->name != NULL; ++tmp) {
1599 if (!strcmp(name, tmp->name))
1600 return tmp->val;
1601 }
1602
1603 val = strtol(name, &endptr, 10);
1604 if (*endptr == '\0')
1605 return val;
1606
1607 return -1;
1608}
1609
1610static void interpret_xfermode (unsigned int xfermode)
1611{
1612 printf(" (");
1613 switch(xfermode) {
1614 case 0: printf("default PIO mode");
1615 break;
1616 case 1: printf("default PIO mode, disable IORDY");
1617 break;
1618 case 8:
1619 case 9:
1620 case 10:
1621 case 11:
1622 case 12:
1623 case 13:
1624 case 14:
1625 case 15: printf("PIO flow control mode%u", xfermode-8);
1626 break;
1627 case 16:
1628 case 17:
1629 case 18:
1630 case 19:
1631 case 20:
1632 case 21:
1633 case 22:
1634 case 23: printf("singleword DMA mode%u", xfermode-16);
1635 break;
1636 case 32:
1637 case 33:
1638 case 34:
1639 case 35:
1640 case 36:
1641 case 37:
1642 case 38:
1643 case 39: printf("multiword DMA mode%u", xfermode-32);
1644 break;
1645 case 64:
1646 case 65:
1647 case 66:
1648 case 67:
1649 case 68:
1650 case 69:
1651 case 70:
1652 case 71: printf("UltraDMA mode%u", xfermode-64);
1653 break;
1654 default:
1655 printf("unknown, probably not valid");
1656 break;
1657 }
1658 printf(")\n");
1659}
1660#endif /* HDIO_DRIVE_CMD */
1661
1662#ifndef VXVM_MAJOR
1663#define VXVM_MAJOR 199
1664#endif
1665
1666#ifndef CCISS_MAJOR
1667#define CCISS_MAJOR 104
1668#endif
1669
1670static void process_dev (char *devname)
1671{
1672 int fd;
1673 static long parm, multcount;
1674 struct stat stat_buf;
1675#ifndef HDIO_DRIVE_CMD
1676 int force_operation = 0;
1677#endif
1678 if (stat(devname,&stat_buf))
1679 bb_perror_msg_and_die(devname);
1680
1681 switch(major(stat_buf.st_rdev)) {
1682#ifdef SCSI_DISK0_MAJOR
1683 case (SCSI_DISK0_MAJOR):
1684 case (SCSI_DISK1_MAJOR):
1685 case (SCSI_DISK2_MAJOR):
1686 case (SCSI_DISK3_MAJOR):
1687 case (SCSI_DISK4_MAJOR):
1688 case (SCSI_DISK5_MAJOR):
1689 case (SCSI_DISK6_MAJOR):
1690 case (SCSI_DISK7_MAJOR):
1691#else
1692 case (SCSI_DISK_MAJOR):
1693#endif
1694#ifdef MD_MAJOR
1695 case (MD_MAJOR):
1696#endif
1697 case (VXVM_MAJOR):
1698#ifdef LVM_BLK_MAJOR
1699 case (LVM_BLK_MAJOR):
1700#endif
1701 case (CCISS_MAJOR):
1702 is_scsi_hd = 1;
1703 break;
1704#ifdef XT_DISK_MAJOR
1705 case (XT_DISK_MAJOR):
1706 is_xt_hd = 1;
1707 break;
1708#endif
1709 case IDE0_MAJOR:
1710 case IDE1_MAJOR:
1711#ifdef IDE2_MAJOR
1712 case IDE2_MAJOR:
1713#endif
1714#ifdef IDE3_MAJOR
1715 case IDE3_MAJOR:
1716#endif
1717#ifdef IDE4_MAJOR
1718 case IDE4_MAJOR:
1719#endif
1720#ifdef IDE5_MAJOR
1721 case IDE5_MAJOR:
1722#endif
1723#ifdef IDE6_MAJOR
1724 case IDE6_MAJOR:
1725#endif
1726#ifdef IDE7_MAJOR
1727 case IDE7_MAJOR:
1728#endif
1729#ifdef IDE8_MAJOR
1730 case IDE8_MAJOR:
1731#endif
1732#ifdef IDE9_MAJOR
1733 case IDE9_MAJOR:
1734#endif
1735 break; /* do nothing */
1736 default:
1737 bb_error_msg_and_die("%s not supported by hdparm",devname);
1738 }
1739
1740 fd = open (devname, O_RDONLY|O_NONBLOCK);
1741 if (fd < 0)
1742 bb_perror_msg_and_die(devname);
1743 if (!quiet)
1744 printf("\n%s:\n", devname);
1745
1746 if (set_readahead) {
1747 if (get_readahead)
1748 printf(" setting fs readahead to %ld\n", readahead);
1749 if (ioctl(fd, BLKRASET, readahead))
1750 bb_perror_msg(" BLKRASET failed");
1751 }
1752#ifdef CONFIG_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF
1753 if (unregister_hwif) {
1754 no_scsi();
1755 printf(" attempting to unregister hwif#%u\n", hwif);
1756 if (ioctl(fd, HDIO_UNREGISTER_HWIF, hwif))
1757 bb_perror_msg(" HDIO_UNREGISTER_HWIF failed");
1758 }
1759#endif
1760#ifdef CONFIG_FEATURE_HDPARM_HDIO_SCAN_HWIF
1761 if (scan_hwif) {
1762 int args[3];
1763 no_scsi();
1764 printf(" attempting to scan hwif (0x%x, 0x%x, %u)\n", hwif_data, hwif_ctrl, hwif_irq);
1765 args[0] = hwif_data;
1766 args[1] = hwif_ctrl;
1767 args[2] = hwif_irq;
1768 if (ioctl(fd, HDIO_SCAN_HWIF, args))
1769 bb_perror_msg(" HDIO_SCAN_HWIF failed");
1770 }
1771#endif
1772 if (set_piomode) {
1773 no_scsi();
1774 no_xt();
1775 if (noisy_piomode) {
1776 if (piomode == 255)
1777 printf(" attempting to auto-tune PIO mode\n");
1778 else if (piomode < 100)
1779 printf(" attempting to set PIO mode to %d\n", piomode);
1780 else if (piomode < 200)
1781 printf(" attempting to set MDMA mode to %d\n", (piomode-100));
1782 else
1783 printf(" attempting to set UDMA mode to %d\n", (piomode-200));
1784 }
1785 if (ioctl(fd, HDIO_SET_PIO_MODE, piomode))
1786 bb_perror_msg(" HDIO_SET_PIO_MODE failed");
1787 }
1788 if (set_io32bit) {
1789 no_scsi();
1790 no_xt();
1791 if (get_io32bit)
1792 printf(" setting 32-bit IO_support flag to %ld\n", io32bit);
1793 if (ioctl(fd, HDIO_SET_32BIT, io32bit))
1794 bb_perror_msg(" HDIO_SET_32BIT failed");
1795 }
1796 if (set_mult) {
1797 no_scsi();
1798 no_xt();
1799 if (get_mult)
1800 printf(" setting multcount to %ld\n", mult);
1801 if (ioctl(fd, HDIO_SET_MULTCOUNT, mult))
1802 bb_perror_msg(" HDIO_SET_MULTCOUNT failed");
1803#ifndef HDIO_DRIVE_CMD
1804 else force_operation = 1;
1805#endif
1806 }
1807 if (set_readonly) {
1808 if (get_readonly) {
1809 printf(" setting readonly to %ld", readonly);
1810 on_off(readonly);
1811 }
1812 if (ioctl(fd, BLKROSET, &readonly))
1813 bb_perror_msg(" BLKROSET failed");
1814 }
1815 if (set_unmask) {
1816 no_scsi();
1817 no_xt();
1818 if (get_unmask) {
1819 printf(" setting unmaskirq to %ld", unmask);
1820 on_off(unmask);
1821 }
1822 if (ioctl(fd, HDIO_SET_UNMASKINTR, unmask))
1823 bb_perror_msg(" HDIO_SET_UNMASKINTR failed");
1824 }
Eric Andersen0a57a792003-08-06 08:57:35 +0000[diff] [blame]1825#ifdef CONFIG_FEATURE_HDPARM_HDIO_GETSET_DMA
Eric Andersen3443bd72003-07-22 07:30:36 +0000[diff] [blame]1826 if (set_dma) {
1827 no_scsi();
1828 if (get_dma) {
1829 printf(" setting using_dma to %ld", dma);
1830 on_off(dma);
1831 }
1832 if (ioctl(fd, HDIO_SET_DMA, dma))
1833 bb_perror_msg(" HDIO_SET_DMA failed");
1834 }
Eric Andersen0a57a792003-08-06 08:57:35 +0000[diff] [blame]1835#endif /* CONFIG_FEATURE_HDPARM_HDIO_GETSET_DMA */
Eric Andersen3443bd72003-07-22 07:30:36 +0000[diff] [blame]1836 if (set_dma_q) {
1837 no_scsi();
1838 if (get_dma_q) {
1839 printf(" setting DMA queue_depth to %ld", dma_q);
1840 on_off(dma_q);
1841 }
1842 if (ioctl(fd, HDIO_SET_QDMA, dma_q))
1843 bb_perror_msg(" HDIO_SET_QDMA failed");
1844 }
1845 if (set_nowerr) {
1846 no_scsi();
1847 no_xt();
1848 if (get_nowerr) {
1849 printf(" setting nowerr to %ld", nowerr);
1850 on_off(nowerr);
1851 }
1852 if (ioctl(fd, HDIO_SET_NOWERR, nowerr))
1853 bb_perror_msg(" HDIO_SET_NOWERR failed");
1854 }
1855 if (set_keep) {
1856 no_scsi();
1857 no_xt();
1858 if (get_keep) {
1859 printf(" setting keep_settings to %ld", keep);
1860 on_off(keep);
1861 }
1862 if (ioctl(fd, HDIO_SET_KEEPSETTINGS, keep))
1863 bb_perror_msg(" HDIO_SET_KEEPSETTINGS failed");
1864 }
1865#ifdef HDIO_DRIVE_CMD
1866 if (set_doorlock) {
1867 unsigned char args[4] = {0,0,0,0};
1868 no_scsi();
1869 no_xt();
1870 args[0] = doorlock ? WIN_DOORLOCK : WIN_DOORUNLOCK;
1871 if (get_doorlock) {
1872 printf(" setting drive doorlock to %ld", doorlock);
1873 on_off(doorlock);
1874 }
1875 if (ioctl(fd, HDIO_DRIVE_CMD, &args))
1876 bb_perror_msg(" HDIO_DRIVE_CMD(doorlock) failed");
1877 }
1878 if (set_dkeep) {
1879 /* lock/unlock the drive's "feature" settings */
1880 unsigned char args[4] = {WIN_SETFEATURES,0,0,0};
1881 no_scsi();
1882 no_xt();
1883 if (get_dkeep) {
1884 printf(" setting drive keep features to %ld", dkeep);
1885 on_off(dkeep);
1886 }
1887 args[2] = dkeep ? 0x66 : 0xcc;
1888 if (ioctl(fd, HDIO_DRIVE_CMD, &args))
1889 bb_perror_msg(" HDIO_DRIVE_CMD(keepsettings) failed");
1890 }
1891 if (set_defects) {
1892 unsigned char args[4] = {WIN_SETFEATURES,0,0x04,0};
1893 no_scsi();
1894 args[2] = defects ? 0x04 : 0x84;
1895 if (get_defects)
1896 printf(" setting drive defect-mgmt to %ld\n", defects);
1897 if (ioctl(fd, HDIO_DRIVE_CMD, &args))
1898 bb_perror_msg(" HDIO_DRIVE_CMD(defectmgmt) failed");
1899 }
1900 if (set_prefetch) {
1901 unsigned char args[4] = {WIN_SETFEATURES,0,0xab,0};
1902 no_scsi();
1903 no_xt();
1904 args[1] = prefetch;
1905 if (get_prefetch)
1906 printf(" setting drive prefetch to %ld\n", prefetch);
1907 if (ioctl(fd, HDIO_DRIVE_CMD, &args))
1908 bb_perror_msg(" HDIO_DRIVE_CMD(setprefetch) failed");
1909 }
1910 if (set_xfermode) {
1911 unsigned char args[4] = {WIN_SETFEATURES,0,3,0};
1912 no_scsi();
1913 no_xt();
1914 args[1] = xfermode_requested;
1915 if (get_xfermode) {
1916 printf(" setting xfermode to %d", xfermode_requested);
1917 interpret_xfermode(xfermode_requested);
1918 }
1919 if (ioctl(fd, HDIO_DRIVE_CMD, &args))
1920 bb_perror_msg(" HDIO_DRIVE_CMD(setxfermode) failed");
1921 }
1922 if (set_lookahead) {
1923 unsigned char args[4] = {WIN_SETFEATURES,0,0,0};
1924 no_scsi();
1925 no_xt();
1926 args[2] = lookahead ? 0xaa : 0x55;
1927 if (get_lookahead) {
1928 printf(" setting drive read-lookahead to %ld", lookahead);
1929 on_off(lookahead);
1930 }
1931 if (ioctl(fd, HDIO_DRIVE_CMD, &args))
1932 bb_perror_msg(" HDIO_DRIVE_CMD(setreadahead) failed");
1933 }
1934 if (set_apmmode) {
1935 unsigned char args[4] = {WIN_SETFEATURES,0,0,0};
1936 no_scsi();
1937 if (apmmode<1) apmmode=1;
1938 if (apmmode>255) apmmode=255;
1939 if (get_apmmode)
1940 printf(" setting Advanced Power Management level to");
1941 if (apmmode==255) {
1942 /* disable Advanced Power Management */
1943 args[2] = 0x85; /* feature register */
1944 if (get_apmmode) printf(" disabled\n");
1945 } else {
1946 /* set Advanced Power Management mode */
1947 args[2] = 0x05; /* feature register */
1948 args[1] = apmmode; /* sector count register */
1949 if (get_apmmode) printf(" 0x%02lX (%ld)\n",apmmode,apmmode);
1950 }
1951 if (ioctl(fd, HDIO_DRIVE_CMD, &args))
1952 bb_perror_msg(" HDIO_DRIVE_CMD failed");
1953 }
1954 if (set_wcache) {
1955#ifdef DO_FLUSHCACHE
1956#ifndef WIN_FLUSHCACHE
1957#define WIN_FLUSHCACHE 0xe7
1958#endif
1959 unsigned char flushcache[4] = {WIN_FLUSHCACHE,0,0,0};
1960#endif /* DO_FLUSHCACHE */
1961 unsigned char args[4] = {WIN_SETFEATURES,0,0,0};
1962 no_scsi();
1963 no_xt();
1964 args[2] = wcache ? 0x02 : 0x82;
1965 if (get_wcache) {
1966 printf(" setting drive write-caching to %ld", wcache);
1967 on_off(wcache);
1968 }
1969#ifdef DO_FLUSHCACHE
1970 if (!wcache && ioctl(fd, HDIO_DRIVE_CMD, &flushcache))
1971 bb_perror_msg (" HDIO_DRIVE_CMD(flushcache) failed");
1972#endif /* DO_FLUSHCACHE */
1973 if (ioctl(fd, HDIO_DRIVE_CMD, &args))
1974 bb_perror_msg(" HDIO_DRIVE_CMD(setcache) failed");
1975#ifdef DO_FLUSHCACHE
1976 if (!wcache && ioctl(fd, HDIO_DRIVE_CMD, &flushcache))
1977 bb_perror_msg (" HDIO_DRIVE_CMD(flushcache) failed");
1978#endif /* DO_FLUSHCACHE */
1979 }
1980 if (set_standbynow) {
1981#ifndef WIN_STANDBYNOW1
1982#define WIN_STANDBYNOW1 0xE0
1983#endif
1984#ifndef WIN_STANDBYNOW2
1985#define WIN_STANDBYNOW2 0x94
1986#endif
1987 unsigned char args1[4] = {WIN_STANDBYNOW1,0,0,0};
1988 unsigned char args2[4] = {WIN_STANDBYNOW2,0,0,0};
1989 no_scsi();
1990 if (get_standbynow)
1991 printf(" issuing standby command\n");
1992 if (ioctl(fd, HDIO_DRIVE_CMD, &args1)
1993 && ioctl(fd, HDIO_DRIVE_CMD, &args2))
1994 bb_perror_msg(" HDIO_DRIVE_CMD(standby) failed");
1995 }
1996 if (set_sleepnow) {
1997#ifndef WIN_SLEEPNOW1
1998#define WIN_SLEEPNOW1 0xE6
1999#endif
2000#ifndef WIN_SLEEPNOW2
2001#define WIN_SLEEPNOW2 0x99
2002#endif
2003 unsigned char args1[4] = {WIN_SLEEPNOW1,0,0,0};
2004 unsigned char args2[4] = {WIN_SLEEPNOW2,0,0,0};
2005 no_scsi();
2006 if (get_sleepnow)
2007 printf(" issuing sleep command\n");
2008 if (ioctl(fd, HDIO_DRIVE_CMD, &args1)
2009 && ioctl(fd, HDIO_DRIVE_CMD, &args2))
2010 bb_perror_msg(" HDIO_DRIVE_CMD(sleep) failed");
2011 }
2012 if (set_seagate) {
2013 unsigned char args[4] = {0xfb,0,0,0};
2014 no_scsi();
2015 no_xt();
2016 if (get_seagate)
2017 printf(" disabling Seagate auto powersaving mode\n");
2018 if (ioctl(fd, HDIO_DRIVE_CMD, &args))
2019 bb_perror_msg(" HDIO_DRIVE_CMD(seagatepwrsave) failed");
2020 }
2021 if (set_standby) {
2022 unsigned char args[4] = {WIN_SETIDLE1,standby_requested,0,0};
2023 no_scsi();
2024 no_xt();
2025 if (get_standby) {
2026 printf(" setting standby to %lu", standby_requested);
2027 interpret_standby(standby_requested);
2028 }
2029 if (ioctl(fd, HDIO_DRIVE_CMD, &args))
2030 bb_perror_msg(" HDIO_DRIVE_CMD(setidle1) failed");
2031 }
2032#else /* HDIO_DRIVE_CMD */
2033 if (force_operation) {
2034 char buf[512];
2035 flush_buffer_cache(fd);
2036 if (-1 == read(fd, buf, sizeof(buf)))
2037 bb_perror_msg(" access failed");
2038 }
2039#endif /* HDIO_DRIVE_CMD */
2040
2041 if (!flagcount)
2042 verbose = 1;
2043
2044 if ((verbose && !is_scsi_hd && !is_xt_hd) || get_mult || get_identity) {
2045 no_scsi();
2046 multcount = -1;
2047 if (ioctl(fd, HDIO_GET_MULTCOUNT, &multcount)) {
2048 if ((verbose && !is_xt_hd) || get_mult)
2049 bb_perror_msg(" HDIO_GET_MULTCOUNT failed");
2050 } else if (verbose | get_mult) {
2051 printf(" multcount = %2ld", multcount);
2052 on_off(multcount);
2053 }
2054 }
2055 if ((verbose && !is_scsi_hd && !is_xt_hd) || get_io32bit) {
2056 no_scsi();
2057 no_xt();
2058 if (ioctl(fd, HDIO_GET_32BIT, &parm))
2059 bb_perror_msg(" HDIO_GET_32BIT failed");
2060 else {
2061 printf(" IO_support =%3ld (", parm);
2062 switch (parm) {
2063 case 0: printf("default ");
2064 case 2: printf("16-bit)\n");
2065 break;
2066 case 1: printf("32-bit)\n");
2067 break;
2068 case 3: printf("32-bit w/sync)\n");
2069 break;
2070 case 8: printf("Request-Queue-Bypass)\n");
2071 break;
2072 default:printf("\?\?\?)\n");
2073 }
2074 }
2075 }
2076 if ((verbose && !is_scsi_hd && !is_xt_hd) || get_unmask) {
2077 no_scsi();
2078 no_xt();
2079 if (ioctl(fd, HDIO_GET_UNMASKINTR, &parm))
2080 bb_perror_msg(" HDIO_GET_UNMASKINTR failed");
2081 else {
2082 printf(" unmaskirq = %2ld", parm);
2083 on_off(parm);
2084 }
2085 }
2086
Eric Andersen0a57a792003-08-06 08:57:35 +0000[diff] [blame]2087#ifdef CONFIG_FEATURE_HDPARM_HDIO_GETSET_DMA
Eric Andersen3443bd72003-07-22 07:30:36 +0000[diff] [blame]2088 if ((verbose && !is_scsi_hd) || get_dma) {
2089 no_scsi();
2090 if (ioctl(fd, HDIO_GET_DMA, &parm))
2091 bb_perror_msg(" HDIO_GET_DMA failed");
2092 else {
2093 printf(" using_dma = %2ld", parm);
2094 if (parm == 8)
2095 printf(" (DMA-Assisted-PIO)\n");
2096 else
2097 on_off(parm);
2098 }
2099 }
2100#endif
2101 if (get_dma_q) {
2102 no_scsi();
2103 if(ioctl(fd, HDIO_GET_QDMA, &parm)) {
2104 bb_perror_msg(" HDIO_GET_QDMA failed");
2105 } else {
2106 printf(" queue_depth = %2ld", parm);
2107 on_off(parm);
2108 }
2109 }
2110 if ((verbose && !is_scsi_hd && !is_xt_hd) || get_keep) {
2111 no_scsi();
2112 no_xt();
2113 if (ioctl(fd, HDIO_GET_KEEPSETTINGS, &parm))
2114 bb_perror_msg(" HDIO_GET_KEEPSETTINGS failed");
2115 else {
2116 printf(" keepsettings = %2ld", parm);
2117 on_off(parm);
2118 }
2119 }
2120
2121 if (get_nowerr) {
2122 no_scsi();
2123 no_xt();
2124 if (ioctl(fd, HDIO_GET_NOWERR, &parm))
2125 bb_perror_msg(" HDIO_GET_NOWERR failed");
2126 else {
2127 printf(" nowerr = %2ld", parm);
2128 on_off(parm);
2129 }
2130 }
2131 if (verbose || get_readonly) {
2132 if (ioctl(fd, BLKROGET, &parm))
2133 bb_perror_msg(" BLKROGET failed");
2134 else {
2135 printf(" readonly = %2ld", parm);
2136 on_off(parm);
2137 }
2138 }
2139 if ((verbose && !is_scsi_hd) || get_readahead) {
2140 if (ioctl(fd, BLKRAGET, &parm))
2141 bb_perror_msg(" BLKRAGET failed");
2142 else {
2143 printf(" readahead = %2ld", parm);
2144 on_off(parm);
2145 }
2146 }
2147 if (verbose || get_geom) {
2148 static const char msg[] = " geometry = %u/%u/%u, sectors = %ld, start = %ld\n";
2149 static struct hd_geometry g;
2150#ifdef HDIO_GETGEO_BIG
2151 static struct hd_big_geometry bg;
2152#endif
2153
2154 if (ioctl(fd, BLKGETSIZE, &parm))
2155 bb_perror_msg(" BLKGETSIZE failed");
2156#ifdef HDIO_GETGEO_BIG
2157 else if (!ioctl(fd, HDIO_GETGEO_BIG, &bg))
2158 printf(msg, bg.cylinders, bg.heads, bg.sectors, parm, bg.start);
2159#endif
2160 else if (ioctl(fd, HDIO_GETGEO, &g))
2161 bb_perror_msg(" HDIO_GETGEO failed");
2162 else printf(msg, g.cylinders, g.heads, g.sectors, parm, g.start);
2163 }
2164#ifdef HDIO_DRIVE_CMD
2165 if (get_powermode) {
2166#ifndef WIN_CHECKPOWERMODE1
2167#define WIN_CHECKPOWERMODE1 0xE5
2168#endif
2169#ifndef WIN_CHECKPOWERMODE2
2170#define WIN_CHECKPOWERMODE2 0x98
2171#endif
2172 unsigned char args[4] = {WIN_CHECKPOWERMODE1,0,0,0};
2173 const char *state;
2174 no_scsi();
2175 if (ioctl(fd, HDIO_DRIVE_CMD, &args)
2176 && (args[0] = WIN_CHECKPOWERMODE2) /* try again with 0x98 */
2177 && ioctl(fd, HDIO_DRIVE_CMD, &args)) {
2178 if (errno != EIO || args[0] != 0 || args[1] != 0)
2179 state = "unknown";
2180 else
2181 state = "sleeping";
2182 } else {
2183 state = (args[2] == 255) ? "active/idle" : "standby";
2184 }
2185 printf(" drive state is: %s\n", state);
2186 }
2187#endif
2188#ifdef CONFIG_FEATURE_HDPARM_HDIO_DRIVE_RESET
2189 if (perform_reset) {
2190 no_scsi();
2191 no_xt();
2192 if (ioctl(fd, HDIO_DRIVE_RESET, NULL))
2193 bb_perror_msg(" HDIO_DRIVE_RESET failed");
2194 }
2195#endif /* CONFIG_FEATURE_HDPARM_HDIO_DRIVE_RESET */
2196#ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
2197 if (perform_tristate) {
2198 unsigned char args[4] = {0,tristate,0,0};
2199 no_scsi();
2200 no_xt();
2201 if (ioctl(fd, HDIO_TRISTATE_HWIF, &args))
2202 bb_perror_msg(" HDIO_TRISTATE_HWIF failed");
2203 }
2204#endif /* CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF */
2205#ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
2206 if (get_identity) {
2207 static struct hd_driveid id;
2208
2209 no_scsi();
2210 no_xt();
2211
2212 if (!ioctl(fd, HDIO_GET_IDENTITY, &id)) {
2213 if (multcount != -1) {
2214 id.multsect = multcount;
2215 id.multsect_valid |= 1;
2216 } else
2217 id.multsect_valid &= ~1;
2218 dump_identity(&id);
2219 } else if (errno == -ENOMSG)
2220 printf(" no identification info available\n");
2221 else
2222 bb_perror_msg(" HDIO_GET_IDENTITY failed");
2223 }
2224 if (get_IDentity) {
2225 unsigned char args[4+512] = {WIN_IDENTIFY,0,0,1,};
2226 unsigned i;
2227 no_scsi();
2228 no_xt();
2229 if (ioctl(fd, HDIO_DRIVE_CMD, &args)) {
2230 args[0] = WIN_PIDENTIFY;
2231 if (ioctl(fd, HDIO_DRIVE_CMD, &args)) {
2232 bb_perror_msg(" HDIO_DRIVE_CMD(identify) failed");
2233 goto identify_abort;
2234 }
2235 }
2236 for(i=0; i<(sizeof args)/2; i+=2) {
2237 __le16_to_cpus((uint16_t *)(&args[i]));
2238 }
2239 identify((void *)&args[4], NULL);
2240identify_abort: ;
2241 }
2242#endif
2243#ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
2244 if (set_busstate) {
2245 no_scsi();
2246 if (get_busstate) {
2247 printf(" setting bus state to %d", busstate);
2248 bus_state_value(busstate);
2249 }
2250 if (ioctl(fd, HDIO_SET_BUSSTATE, busstate))
2251 bb_perror_msg(" HDIO_SET_BUSSTATE failed");
2252 }
2253#endif
2254#ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
2255 if (get_busstate) {
2256 no_scsi();
2257 if (ioctl(fd, HDIO_GET_BUSSTATE, &parm))
2258 bb_perror_msg(" HDIO_GET_BUSSTATE failed");
2259 else {
2260 printf(" busstate = %2ld", parm);
2261 bus_state_value(parm);
2262 }
2263 }
2264#endif
2265 if (reread_partn) {
2266 if (ioctl(fd, BLKRRPART, NULL)) {
2267 bb_perror_msg(" BLKRRPART failed");
2268 }
2269 }
2270
2271 if (do_ctimings)
2272 time_cache (fd);
2273 if (do_timings)
2274 time_device (fd);
2275 if (do_flush)
2276 flush_buffer_cache (fd);
2277 close (fd);
2278}
2279
2280#define GET_NUMBER(flag,num) num = 0; \
2281 if (!*p && argc && isdigit(**argv)) \
2282 p = *argv++, --argc; \
2283 while (isdigit(*p)) { \
2284 flag = 1; \
2285 num = (num * 10) + (*p++ - '0'); \
2286 }
2287
2288#define GET_STRING(flag, num) tmpstr = name; \
2289 tmpstr[0] = '\0'; \
2290 if (!*p && argc && isalnum(**argv)) \
2291 p = *argv++, --argc; \
2292 while (isalnum(*p) && (tmpstr - name) < 31) { \
2293 tmpstr[0] = *p++; \
2294 tmpstr[1] = '\0'; \
2295 ++tmpstr; \
2296 } \
2297 num = translate_xfermode(name); \
2298 if (num == -1) \
2299 flag = 0; \
2300 else \
2301 flag = 1;
2302
2303#ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
2304static int fromhex (unsigned char c)
2305{
2306 if (c >= 'a' && c <= 'f')
2307 return 10 + (c - 'a');
2308 if (c >= '0' && c <= '9')
2309 return (c - '0');
2310 bb_error_msg_and_die("bad char: '%c' 0x%02x", c, c);
2311}
2312
2313static int identify_from_stdin (void)
2314{
2315 unsigned short sbuf[800];
2316 unsigned char buf[1600], *b = (unsigned char *)buf;
2317 int i, count = read(0, buf, 1280);
2318
2319 if (count != 1280)
2320 bb_error_msg_and_die("read(1280 bytes) failed (rc=%d)", count);
2321 for (i = 0; count >= 4; ++i) {
2322 sbuf[i] = (fromhex(b[0]) << 12) | (fromhex(b[1]) << 8) | (fromhex(b[2]) << 4) | fromhex(b[3]);
2323 __le16_to_cpus((uint16_t *)(&sbuf[i]));
2324 b += 5;
2325 count -= 5;
2326 }
2327 identify(sbuf, NULL);
2328 return 0;
2329}
2330#endif
2331
2332/* our main() routine: */
2333int hdparm_main(int argc, char **argv)
2334{
2335 char c, *p;
2336 char *tmpstr;
2337 char name[32];
2338 int neg;
2339
2340 ++argv;
2341 if (!--argc)
2342 bb_show_usage();
2343 while (argc--) {
2344#ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
2345 if (!strcmp("-Istdin", *argv)) {
2346 exit(identify_from_stdin());
2347 }
2348#endif
2349 p = *argv++;
2350 if (*p == '-') {
2351 if (!*++p)
2352 bb_show_usage();
2353 while ((c = *p++)) {
2354 ++flagcount;
2355 switch (c) {
2356 case 'V':
2357 bb_error_msg_and_die("%s", VERSION);
2358 case 'v':
2359 verbose = 1;
2360 break;
2361#ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
2362 case 'I':
2363 get_IDentity = 1;
2364 break;
2365 case 'i':
2366 get_identity = 1;
2367 break;
2368#endif
2369 case 'g':
2370 get_geom = 1;
2371 break;
2372 case 'f':
2373 do_flush = 1;
2374 break;
2375 case 'q':
2376 quiet = 1;
2377 noisy = 0;
2378 break;
2379 case 'u':
2380 get_unmask = noisy;
2381 noisy = 1;
2382 if (!*p && argc && isdigit(**argv))
2383 p = *argv++, --argc;
2384 if (*p == '0' || *p == '1') {
2385 set_unmask = 1;
2386 unmask = *p++ - '0';
2387 }
2388 break;
Eric Andersen0a57a792003-08-06 08:57:35 +0000[diff] [blame]2389#ifdef CONFIG_FEATURE_HDPARM_HDIO_GETSET_DMA
Eric Andersen3443bd72003-07-22 07:30:36 +0000[diff] [blame]2390 case 'd':
2391 get_dma = noisy;
2392 noisy = 1;
2393 if (!*p && argc && isdigit(**argv))
2394 p = *argv++, --argc;
2395 if (*p >= '0' && *p <= '9') {
2396 set_dma = 1;
2397 dma = *p++ - '0';
2398 }
2399 break;
Eric Andersen0a57a792003-08-06 08:57:35 +0000[diff] [blame]2400#endif /* CONFIG_FEATURE_HDPARM_HDIO_GETSET_DMA */
Eric Andersen3443bd72003-07-22 07:30:36 +0000[diff] [blame]2401 case 'n':
2402 get_nowerr = noisy;
2403 noisy = 1;
2404 if (!*p && argc && isdigit(**argv))
2405 p = *argv++, --argc;
2406 if (*p == '0' || *p == '1') {
2407 set_nowerr = 1;
2408 nowerr = *p++ - '0';
2409 }
2410 break;
2411 case 'p':
2412 noisy_piomode = noisy;
2413 noisy = 1;
2414 GET_STRING(set_piomode,piomode);
2415 break;
2416 case 'r':
2417 get_readonly = noisy;
2418 noisy = 1;
2419 if (!*p && argc && isdigit(**argv))
2420 p = *argv++, --argc;
2421 if (*p == '0' || *p == '1') {
2422 set_readonly = 1;
2423 readonly = *p++ - '0';
2424 }
2425 break;
2426 case 'm':
2427 get_mult = noisy;
2428 noisy = 1;
2429 GET_NUMBER(set_mult,mult);
2430 break;
2431 case 'c':
2432 get_io32bit = noisy;
2433 noisy = 1;
2434 GET_NUMBER(set_io32bit,io32bit);
2435 break;
2436#ifdef HDIO_DRIVE_CMD
2437 case 'S':
2438 get_standby = noisy;
2439 noisy = 1;
2440 GET_NUMBER(set_standby,standby_requested);
2441 if (!set_standby)
2442 bb_error_msg("-S: missing value");
2443 break;
2444
2445 case 'D':
2446 get_defects = noisy;
2447 noisy = 1;
2448 GET_NUMBER(set_defects,defects);
2449 if (!set_defects)
2450 bb_error_msg("-D: missing value");
2451 break;
2452 case 'P':
2453 get_prefetch = noisy;
2454 noisy = 1;
2455 GET_NUMBER(set_prefetch,prefetch);
2456 if (!set_prefetch)
2457 bb_error_msg("-P: missing value");
2458 break;
2459
2460 case 'X':
2461 get_xfermode = noisy;
2462 noisy = 1;
2463 GET_STRING(set_xfermode,xfermode_requested);
2464 if (!set_xfermode)
2465 bb_error_msg("-X: missing value");
2466 break;
2467
2468 case 'K':
2469 get_dkeep = noisy;
2470 noisy = 1;
2471 if (!*p && argc && isdigit(**argv))
2472 p = *argv++, --argc;
2473 if (*p == '0' || *p == '1') {
2474 set_dkeep = 1;
2475 dkeep = *p++ - '0';
2476 } else
2477 bb_error_msg("-K: missing value (0/1)");
2478 break;
2479
2480 case 'A':
2481 get_lookahead = noisy;
2482 noisy = 1;
2483 if (!*p && argc && isdigit(**argv))
2484 p = *argv++, --argc;
2485 if (*p == '0' || *p == '1') {
2486 set_lookahead = 1;
2487 lookahead = *p++ - '0';
2488 } else
2489 bb_error_msg("-A: missing value (0/1)");
2490 break;
2491
2492 case 'L':
2493 get_doorlock = noisy;
2494 noisy = 1;
2495 if (!*p && argc && isdigit(**argv))
2496 p = *argv++, --argc;
2497 if (*p == '0' || *p == '1') {
2498 set_doorlock = 1;
2499 doorlock = *p++ - '0';
2500 } else
2501 bb_error_msg("-L: missing value (0/1)");
2502 break;
2503
2504 case 'W':
2505 get_wcache = noisy;
2506 noisy = 1;
2507 if (!*p && argc && isdigit(**argv))
2508 p = *argv++, --argc;
2509 if (*p == '0' || *p == '1') {
2510 set_wcache = 1;
2511 wcache = *p++ - '0';
2512 } else
2513 bb_error_msg("-W: missing value (0/1)");
2514 break;
2515
2516 case 'C':
2517 get_powermode = noisy;
2518 noisy = 1;
2519 break;
2520
2521 case 'y':
2522 get_standbynow = noisy;
2523 noisy = 1;
2524 set_standbynow = 1;
2525 break;
2526
2527 case 'Y':
2528 get_sleepnow = noisy;
2529 noisy = 1;
2530 set_sleepnow = 1;
2531 break;
2532
2533 case 'z':
2534 reread_partn = 1;
2535 break;
2536
2537 case 'Z':
2538 get_seagate = noisy;
2539 noisy = 1;
2540 set_seagate = 1;
2541 break;
2542#endif /* HDIO_DRIVE_CMD */
2543 case 'k':
2544 get_keep = noisy;
2545 noisy = 1;
2546 if (!*p && argc && isdigit(**argv))
2547 p = *argv++, --argc;
2548 if (*p == '0' || *p == '1') {
2549 set_keep = 1;
2550 keep = *p++ - '0';
2551 }
2552 break;
2553#ifdef CONFIG_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF
2554 case 'U':
2555 if (!*p && argc && isdigit(**argv))
2556 p = *argv++, --argc;
2557
2558 if(! p) {
2559 bb_error_msg_and_die("expected hwif_nr");
2560 }
2561
2562 sscanf(p++, "%i", &hwif);
2563
2564 unregister_hwif = 1;
2565 break;
2566#endif /* CONFIG_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF */
2567#ifdef CONFIG_FEATURE_HDPARM_HDIO_SCAN_HWIF
2568 case 'R':
2569 if (!*p && argc && isdigit(**argv))
2570 p = *argv++, --argc;
2571
2572 if(! p) {
2573 bb_error_msg_and_die("expected hwif_data");
2574 }
2575
2576 sscanf(p++, "%i", &hwif_data);
2577
2578 if (argc && isdigit(**argv))
2579 p = *argv++, --argc;
2580 else {
2581 bb_error_msg_and_die("expected hwif_ctrl");
2582 }
2583
2584 sscanf(p, "%i", &hwif_ctrl);
2585
2586 if (argc && isdigit(**argv))
2587 p = *argv++, --argc;
2588 else {
2589 bb_error_msg_and_die("expected hwif_irq");
2590 }
2591
2592 sscanf(p, "%i", &hwif_irq);
2593
2594 *p = '\0';
2595
2596 scan_hwif = 1;
2597 break;
2598#endif /* CONFIG_FEATURE_HDPARM_HDIO_SCAN_HWIF */
2599 case 'Q':
2600 get_dma_q = noisy;
2601 noisy = 1;
2602 neg = 0;
2603 GET_NUMBER(set_dma_q, dma_q);
2604 if (neg)
2605 dma_q = -dma_q;
2606 break;
2607#ifdef CONFIG_FEATURE_HDPARM_HDIO_DRIVE_RESET
2608 case 'w':
2609 perform_reset = 1;
2610 break;
2611#endif /* CONFIG_FEATURE_HDPARM_HDIO_DRIVE_RESET */
2612#ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
2613 case 'x':
2614 if (!*p && argc && isdigit(**argv))
2615 p = *argv++, --argc;
2616 if (*p == '0' || *p == '1') {
2617 perform_tristate = 1;
2618 tristate = *p++ - '0';
2619 } else
2620 bb_error_msg("-x: missing value (0/1)");
2621 break;
2622
2623#endif /* CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF */
2624 case 'a':
2625 get_readahead = noisy;
2626 noisy = 1;
2627 GET_NUMBER(set_readahead,readahead);
2628 break;
2629 case 'B':
2630 get_apmmode = noisy;
2631 noisy = 1;
2632 GET_NUMBER(set_apmmode,apmmode);
2633 if (!set_apmmode)
2634 printf("-B: missing value (1-255)");
2635 break;
2636 case 't':
2637 do_timings = 1;
2638 do_flush = 1;
2639 break;
2640 case 'T':
2641 do_ctimings = 1;
2642 do_flush = 1;
2643 break;
2644#ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
2645 case 'b':
2646 get_busstate = noisy;
2647 noisy = 1;
2648 if (!*p && argc && isdigit(**argv))
2649 p = *argv++, --argc;
2650 switch (*p) {
2651 case '0':
2652 case '1':
2653 case '2':
2654 set_busstate = 1;
2655 busstate = *p++ - '0';
2656 break;
2657 default:
2658 break;
2659 }
2660 break;
2661#endif
2662 case 'h':
2663 default:
2664 bb_show_usage();
2665 }
2666 }
2667 if (!argc)
2668 bb_show_usage();
2669 } else {
2670 process_dev (p);
2671 }
2672 }
2673 return 0 ;
2674}