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busybox/miscutils/hdparm.c

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Matteo Croce submitted a hdparm applet.
2003-07-22 13:00:36 +05:30
/* vi: set sw=4 ts=4: */
/*
* hdparm implementation for busybox
*
*
* Copyright (C) [2003] by [Matteo Croce] <pinnolo@tin.it>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
* 02111-1307 USA
*
*
* This program is based on the source code of hdparm: see below...
* hdparm.c - Command line interface to get/set hard disk parameters
* - by Mark Lord (C) 1994-2002 -- freely distributable
*/
#include <unistd.h>
#include <string.h>
#include <stdlib.h>
#include <fcntl.h>
#include <errno.h>
#include <ctype.h>
#include <endian.h>
#include <sys/ioctl.h>
#include <sys/shm.h>
#include <sys/sysmacros.h>
#include <sys/time.h>
#include <sys/times.h>
#include <sys/mount.h>
#include "busybox.h"
#include <linux/types.h>
#include <linux/hdreg.h>
#include <linux/major.h>
#include <asm/byteorder.h>
#if __BYTE_ORDER == __BIG_ENDIAN
#define __USE_XOPEN
#endif
/* device types */
/* ------------ */
#define NO_DEV 0xffff
#define ATA_DEV 0x0000
#define ATAPI_DEV 0x0001
/* word definitions */
/* ---------------- */
#define GEN_CONFIG 0 /* general configuration */
#define LCYLS 1 /* number of logical cylinders */
#define CONFIG 2 /* specific configuration */
#define LHEADS 3 /* number of logical heads */
#define TRACK_BYTES 4 /* number of bytes/track (ATA-1) */
#define SECT_BYTES 5 /* number of bytes/sector (ATA-1) */
#define LSECTS 6 /* number of logical sectors/track */
#define START_SERIAL 10 /* ASCII serial number */
#define LENGTH_SERIAL 10 /* 10 words (20 bytes or characters) */
#define BUF_TYPE 20 /* buffer type (ATA-1) */
#define BUFFER__SIZE 21 /* buffer size (ATA-1) */
#define RW_LONG 22 /* extra bytes in R/W LONG cmd ( < ATA-4)*/
#define START_FW_REV 23 /* ASCII firmware revision */
#define LENGTH_FW_REV 4 /* 4 words (8 bytes or characters) */
#define START_MODEL 27 /* ASCII model number */
#define LENGTH_MODEL 20 /* 20 words (40 bytes or characters) */
#define SECTOR_XFER_MAX 47 /* r/w multiple: max sectors xfered */
#define DWORD_IO 48 /* can do double-word IO (ATA-1 only) */
#define CAPAB_0 49 /* capabilities */
#define CAPAB_1 50
#define PIO_MODE 51 /* max PIO mode supported (obsolete)*/
#define DMA_MODE 52 /* max Singleword DMA mode supported (obs)*/
#define WHATS_VALID 53 /* what fields are valid */
#define LCYLS_CUR 54 /* current logical cylinders */
#define LHEADS_CUR 55 /* current logical heads */
#define LSECTS_CUR 56 /* current logical sectors/track */
#define CAPACITY_LSB 57 /* current capacity in sectors */
#define CAPACITY_MSB 58
#define SECTOR_XFER_CUR 59 /* r/w multiple: current sectors xfered */
#define LBA_SECTS_LSB 60 /* LBA: total number of user */
#define LBA_SECTS_MSB 61 /* addressable sectors */
#define SINGLE_DMA 62 /* singleword DMA modes */
#define MULTI_DMA 63 /* multiword DMA modes */
#define ADV_PIO_MODES 64 /* advanced PIO modes supported */
/* multiword DMA xfer cycle time: */
#define DMA_TIME_MIN 65 /* - minimum */
#define DMA_TIME_NORM 66 /* - manufacturer's recommended */
/* minimum PIO xfer cycle time: */
#define PIO_NO_FLOW 67 /* - without flow control */
#define PIO_FLOW 68 /* - with IORDY flow control */
#define PKT_REL 71 /* typical #ns from PKT cmd to bus rel */
#define SVC_NBSY 72 /* typical #ns from SERVICE cmd to !BSY */
#define CDR_MAJOR 73 /* CD ROM: major version number */
#define CDR_MINOR 74 /* CD ROM: minor version number */
#define QUEUE_DEPTH 75 /* queue depth */
#define MAJOR 80 /* major version number */
#define MINOR 81 /* minor version number */
#define CMDS_SUPP_0 82 /* command/feature set(s) supported */
#define CMDS_SUPP_1 83
#define CMDS_SUPP_2 84
#define CMDS_EN_0 85 /* command/feature set(s) enabled */
#define CMDS_EN_1 86
#define CMDS_EN_2 87
#define ULTRA_DMA 88 /* ultra DMA modes */
/* time to complete security erase */
#define ERASE_TIME 89 /* - ordinary */
#define ENH_ERASE_TIME 90 /* - enhanced */
#define ADV_PWR 91 /* current advanced power management level
in low byte, 0x40 in high byte. */
#define PSWD_CODE 92 /* master password revision code */
#define HWRST_RSLT 93 /* hardware reset result */
#define ACOUSTIC 94 /* acoustic mgmt values ( >= ATA-6) */
#define LBA_LSB 100 /* LBA: maximum. Currently only 48 */
#define LBA_MID 101 /* bits are used, but addr 103 */
#define LBA_48_MSB 102 /* has been reserved for LBA in */
#define LBA_64_MSB 103 /* the future. */
#define RM_STAT 127 /* removable media status notification feature set support */
#define SECU_STATUS 128 /* security status */
#define CFA_PWR_MODE 160 /* CFA power mode 1 */
#define START_MEDIA 176 /* media serial number */
#define LENGTH_MEDIA 20 /* 20 words (40 bytes or characters)*/
#define START_MANUF 196 /* media manufacturer I.D. */
#define LENGTH_MANUF 10 /* 10 words (20 bytes or characters) */
#define INTEGRITY 255 /* integrity word */
/* bit definitions within the words */
/* -------------------------------- */
/* many words are considered valid if bit 15 is 0 and bit 14 is 1 */
#define VALID 0xc000
#define VALID_VAL 0x4000
/* many words are considered invalid if they are either all-0 or all-1 */
#define NOVAL_0 0x0000
#define NOVAL_1 0xffff
/* word 0: gen_config */
#define NOT_ATA 0x8000
#define NOT_ATAPI 0x4000 /* (check only if bit 15 == 1) */
#define MEDIA_REMOVABLE 0x0080
#define DRIVE_NOT_REMOVABLE 0x0040 /* bit obsoleted in ATA 6 */
#define INCOMPLETE 0x0004
#define CFA_SUPPORT_VAL 0x848a /* 848a=CFA feature set support */
#define DRQ_RESPONSE_TIME 0x0060
#define DRQ_3MS_VAL 0x0000
#define DRQ_INTR_VAL 0x0020
#define DRQ_50US_VAL 0x0040
#define PKT_SIZE_SUPPORTED 0x0003
#define PKT_SIZE_12_VAL 0x0000
#define PKT_SIZE_16_VAL 0x0001
#define EQPT_TYPE 0x1f00
#define SHIFT_EQPT 8
#define CDROM 0x0005
#ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
static const char *pkt_str[] = {
"Direct-access device", /* word 0, bits 12-8 = 00 */
"Sequential-access device", /* word 0, bits 12-8 = 01 */
"Printer", /* word 0, bits 12-8 = 02 */
"Processor", /* word 0, bits 12-8 = 03 */
"Write-once device", /* word 0, bits 12-8 = 04 */
"CD-ROM", /* word 0, bits 12-8 = 05 */
"Scanner", /* word 0, bits 12-8 = 06 */
"Optical memory", /* word 0, bits 12-8 = 07 */
"Medium changer", /* word 0, bits 12-8 = 08 */
"Communications device", /* word 0, bits 12-8 = 09 */
"ACS-IT8 device", /* word 0, bits 12-8 = 0a */
"ACS-IT8 device", /* word 0, bits 12-8 = 0b */
"Array controller", /* word 0, bits 12-8 = 0c */
"Enclosure services", /* word 0, bits 12-8 = 0d */
"Reduced block command device", /* word 0, bits 12-8 = 0e */
"Optical card reader/writer", /* word 0, bits 12-8 = 0f */
"", /* word 0, bits 12-8 = 10 */
"", /* word 0, bits 12-8 = 11 */
"", /* word 0, bits 12-8 = 12 */
"", /* word 0, bits 12-8 = 13 */
"", /* word 0, bits 12-8 = 14 */
"", /* word 0, bits 12-8 = 15 */
"", /* word 0, bits 12-8 = 16 */
"", /* word 0, bits 12-8 = 17 */
"", /* word 0, bits 12-8 = 18 */
"", /* word 0, bits 12-8 = 19 */
"", /* word 0, bits 12-8 = 1a */
"", /* word 0, bits 12-8 = 1b */
"", /* word 0, bits 12-8 = 1c */
"", /* word 0, bits 12-8 = 1d */
"", /* word 0, bits 12-8 = 1e */
"Unknown", /* word 0, bits 12-8 = 1f */
};
static const char *ata1_cfg_str[] = { /* word 0 in ATA-1 mode */
"reserved", /* bit 0 */
"hard sectored", /* bit 1 */
"soft sectored", /* bit 2 */
"not MFM encoded ", /* bit 3 */
"head switch time > 15us", /* bit 4 */
"spindle motor control option", /* bit 5 */
"fixed drive", /* bit 6 */
"removable drive", /* bit 7 */
"disk xfer rate <= 5Mbs", /* bit 8 */
"disk xfer rate > 5Mbs, <= 10Mbs", /* bit 9 */
"disk xfer rate > 5Mbs", /* bit 10 */
"rotational speed tol.", /* bit 11 */
"data strobe offset option", /* bit 12 */
"track offset option", /* bit 13 */
"format speed tolerance gap reqd", /* bit 14 */
"ATAPI" /* bit 14 */
};
#endif
/* word 1: number of logical cylinders */
#define LCYLS_MAX 0x3fff /* maximum allowable value */
/* word 2: specific configureation
* (a) require SET FEATURES to spin-up
* (b) require spin-up to fully reply to IDENTIFY DEVICE
*/
#define STBY_NID_VAL 0x37c8 /* (a) and (b) */
#define STBY_ID_VAL 0x738c /* (a) and not (b) */
#define PWRD_NID_VAL 0x8c73 /* not (a) and (b) */
#define PWRD_ID_VAL 0xc837 /* not (a) and not (b) */
/* words 47 & 59: sector_xfer_max & sector_xfer_cur */
#define SECTOR_XFER 0x00ff /* sectors xfered on r/w multiple cmds*/
#define MULTIPLE_SETTING_VALID 0x0100 /* 1=multiple sector setting is valid */
/* word 49: capabilities 0 */
#define STD_STBY 0x2000 /* 1=standard values supported (ATA);
0=vendor specific values */
#define IORDY_SUP 0x0800 /* 1=support; 0=may be supported */
#define IORDY_OFF 0x0400 /* 1=may be disabled */
#define LBA_SUP 0x0200 /* 1=Logical Block Address support */
#define DMA_SUP 0x0100 /* 1=Direct Memory Access support */
#define DMA_IL_SUP 0x8000 /* 1=interleaved DMA support (ATAPI) */
#define CMD_Q_SUP 0x4000 /* 1=command queuing support (ATAPI) */
#define OVLP_SUP 0x2000 /* 1=overlap operation support (ATAPI) */
#define SWRST_REQ 0x1000 /* 1=ATA SW reset required (ATAPI, obsolete */
/* word 50: capabilities 1 */
#define MIN_STANDBY_TIMER 0x0001 /* 1=device specific standby timer value minimum */
/* words 51 & 52: PIO & DMA cycle times */
#define MODE 0xff00 /* the mode is in the MSBs */
/* word 53: whats_valid */
#define OK_W88 0x0004 /* the ultra_dma info is valid */
#define OK_W64_70 0x0002 /* see above for word descriptions */
#define OK_W54_58 0x0001 /* current cyl, head, sector, cap. info valid */
/*word 63,88: dma_mode, ultra_dma_mode*/
#define MODE_MAX 7 /* bit definitions force udma <=7 (when
* udma >=8 comes out it'll have to be
* defined in a new dma_mode word!) */
/* word 64: PIO transfer modes */
#define PIO_SUP 0x00ff /* only bits 0 & 1 are used so far, */
#define PIO_MODE_MAX 8 /* but all 8 bits are defined */
/* word 75: queue_depth */
#define DEPTH_BITS 0x001f /* bits used for queue depth */
/* words 80-81: version numbers */
/* NOVAL_0 or NOVAL_1 means device does not report version */
/* word 81: minor version number */
#define MINOR_MAX 0x1C
#ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
static const char *minor_str[] = { /* word 81 value: */
"device does not report version", /* 0x0000 */
"ATA-1 X3T9.2 781D prior to revision 4", /* 0x0001 */
"ATA-1 published, ANSI X3.221-1994", /* 0x0002 */
"ATA-1 X3T9.2 781D revision 4", /* 0x0003 */
"ATA-2 published, ANSI X3.279-1996", /* 0x0004 */
"ATA-2 X3T10 948D prior to revision 2k", /* 0x0005 */
"ATA-3 X3T10 2008D revision 1", /* 0x0006 */
"ATA-2 X3T10 948D revision 2k", /* 0x0007 */
"ATA-3 X3T10 2008D revision 0", /* 0x0008 */
"ATA-2 X3T10 948D revision 3", /* 0x0009 */
"ATA-3 published, ANSI X3.298-199x", /* 0x000a */
"ATA-3 X3T10 2008D revision 6", /* 0x000b */
"ATA-3 X3T13 2008D revision 7 and 7a", /* 0x000c */
"ATA/ATAPI-4 X3T13 1153D revision 6", /* 0x000d */
"ATA/ATAPI-4 T13 1153D revision 13", /* 0x000e */
"ATA/ATAPI-4 X3T13 1153D revision 7", /* 0x000f */
"ATA/ATAPI-4 T13 1153D revision 18", /* 0x0010 */
"ATA/ATAPI-4 T13 1153D revision 15", /* 0x0011 */
"ATA/ATAPI-4 published, ANSI NCITS 317-1998", /* 0x0012 */
"ATA/ATAPI-5 T13 1321D revision 3",
"ATA/ATAPI-4 T13 1153D revision 14", /* 0x0014 */
"ATA/ATAPI-5 T13 1321D revision 1", /* 0x0015 */
"ATA/ATAPI-5 published, ANSI NCITS 340-2000", /* 0x0016 */
"ATA/ATAPI-4 T13 1153D revision 17", /* 0x0017 */
"ATA/ATAPI-6 T13 1410D revision 0", /* 0x0018 */
"ATA/ATAPI-6 T13 1410D revision 3a", /* 0x0019 */
"Reserved", /* 0x001a */
"ATA/ATAPI-6 T13 1410D revision 2", /* 0x001b */
"ATA/ATAPI-6 T13 1410D revision 1", /* 0x001c */
"reserved" /* 0x001d */
"reserved" /* 0x001e */
"reserved" /* 0x001f-0xfffe*/
};
#endif
static const char actual_ver[] = {
/* word 81 value: */
0, /* 0x0000 WARNING: */
1, /* 0x0001 WARNING: */
1, /* 0x0002 WARNING: */
1, /* 0x0003 WARNING: */
2, /* 0x0004 WARNING: This array */
2, /* 0x0005 WARNING: corresponds */
3, /* 0x0006 WARNING: *exactly* */
2, /* 0x0007 WARNING: to the ATA/ */
3, /* 0x0008 WARNING: ATAPI version */
2, /* 0x0009 WARNING: listed in */
3, /* 0x000a WARNING: the */
3, /* 0x000b WARNING: minor_str */
3, /* 0x000c WARNING: array */
4, /* 0x000d WARNING: above. */
4, /* 0x000e WARNING: */
4, /* 0x000f WARNING: if you change */
4, /* 0x0010 WARNING: that one, */
4, /* 0x0011 WARNING: change this one */
4, /* 0x0012 WARNING: too!!! */
5, /* 0x0013 WARNING: */
4, /* 0x0014 WARNING: */
5, /* 0x0015 WARNING: */
5, /* 0x0016 WARNING: */
4, /* 0x0017 WARNING: */
6, /* 0x0018 WARNING: */
6, /* 0x0019 WARNING: */
0, /* 0x001a WARNING: */
6, /* 0x001b WARNING: */
6, /* 0x001c WARNING: */
0 /* 0x001d-0xfffe */
};
/* words 82-84: cmds/feats supported */
#define CMDS_W82 0x77ff /* word 82: defined command locations*/
#define CMDS_W83 0x3fff /* word 83: defined command locations*/
#define CMDS_W84 0x002f /* word 83: defined command locations*/
#define SUPPORT_48_BIT 0x0400
#define NUM_CMD_FEAT_STR 48
#ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
static const char *cmd_feat_str[] = {
"", /* word 82 bit 15: obsolete */
"NOP cmd", /* word 82 bit 14 */
"READ BUFFER cmd", /* word 82 bit 13 */
"WRITE BUFFER cmd", /* word 82 bit 12 */
"", /* word 82 bit 11: obsolete */
"Host Protected Area feature set", /* word 82 bit 10 */
"DEVICE RESET cmd", /* word 82 bit 9 */
"SERVICE interrupt", /* word 82 bit 8 */
"Release interrupt", /* word 82 bit 7 */
"Look-ahead", /* word 82 bit 6 */
"Write cache", /* word 82 bit 5 */
"PACKET command feature set", /* word 82 bit 4 */
"Power Management feature set", /* word 82 bit 3 */
"Removable Media feature set", /* word 82 bit 2 */
"Security Mode feature set", /* word 82 bit 1 */
"SMART feature set", /* word 82 bit 0 */
/* --------------*/
"", /* word 83 bit 15: !valid bit */
"", /* word 83 bit 14: valid bit */
"FLUSH CACHE EXT command", /* word 83 bit 13 */
"Mandatory FLUSH CACHE command ", /* word 83 bit 12 */
"Device Configuration Overlay feature set ",
"48-bit Address feature set ", /* word 83 bit 10 */
"",
"SET MAX security extension", /* word 83 bit 8 */
"Address Offset Reserved Area Boot", /* word 83 bit 7 */
"SET FEATURES subcommand required to spinup after power up",
"Power-Up In Standby feature set", /* word 83 bit 5 */
"Removable Media Status Notification feature set",
"Advanced Power Management feature set",/* word 83 bit 3 */
"CFA feature set", /* word 83 bit 2 */
"READ/WRITE DMA QUEUED", /* word 83 bit 1 */
"DOWNLOAD MICROCODE cmd", /* word 83 bit 0 */
/* --------------*/
"", /* word 84 bit 15: !valid bit */
"", /* word 84 bit 14: valid bit */
"", /* word 84 bit 13: reserved */
"", /* word 84 bit 12: reserved */
"", /* word 84 bit 11: reserved */
"", /* word 84 bit 10: reserved */
"", /* word 84 bit 9: reserved */
"", /* word 84 bit 8: reserved */
"", /* word 84 bit 7: reserved */
"", /* word 84 bit 6: reserved */
"General Purpose Logging feature set", /* word 84 bit 5 */
"", /* word 84 bit 4: reserved */
"Media Card Pass Through Command feature set ",
"Media serial number ", /* word 84 bit 2 */
"SMART self-test ", /* word 84 bit 1 */
"SMART error logging " /* word 84 bit 0 */
};
#endif
/* words 85-87: cmds/feats enabled */
/* use cmd_feat_str[] to display what commands and features have
* been enabled with words 85-87
*/
/* words 89, 90, SECU ERASE TIME */
#define ERASE_BITS 0x00ff
/* word 92: master password revision */
/* NOVAL_0 or NOVAL_1 means no support for master password revision */
/* word 93: hw reset result */
#define CBLID 0x2000 /* CBLID status */
#define RST0 0x0001 /* 1=reset to device #0 */
#define DEV_DET 0x0006 /* how device num determined */
#define JUMPER_VAL 0x0002 /* device num determined by jumper */
#define CSEL_VAL 0x0004 /* device num determined by CSEL_VAL */
/* word 127: removable media status notification feature set support */
#define RM_STAT_BITS 0x0003
#define RM_STAT_SUP 0x0001
/* word 128: security */
#define SECU_ENABLED 0x0002
#define SECU_LEVEL 0x0010
#define NUM_SECU_STR 6
#ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
static const char *secu_str[] = {
"supported", /* word 128, bit 0 */
"enabled", /* word 128, bit 1 */
"locked", /* word 128, bit 2 */
"frozen", /* word 128, bit 3 */
"expired: security count", /* word 128, bit 4 */
"supported: enhanced erase" /* word 128, bit 5 */
};
#endif
/* word 160: CFA power mode */
#define VALID_W160 0x8000 /* 1=word valid */
#define PWR_MODE_REQ 0x2000 /* 1=CFA power mode req'd by some cmds*/
#define PWR_MODE_OFF 0x1000 /* 1=CFA power moded disabled */
#define MAX_AMPS 0x0fff /* value = max current in ma */
/* word 255: integrity */
#define SIG 0x00ff /* signature location */
#define SIG_VAL 0x00A5 /* signature value */
#ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
static uint8_t mode_loop(uint16_t mode_sup, uint16_t mode_sel, int cc, uint8_t *have_mode) {
uint16_t ii;
uint8_t err_dma = 0;
for(ii = 0; ii <= MODE_MAX; ii++) {
if(mode_sel & 0x0001) {
printf("*%cdma%u ",cc,ii);
if(*have_mode) err_dma = 1;
*have_mode = 1;
} else if(mode_sup & 0x0001) {
printf("%cdma%u ",cc,ii);
}
mode_sup >>=1; mode_sel >>=1;
}
return err_dma;
}
static void print_ascii(uint16_t *p, uint8_t length) {
uint8_t ii;
char cl;
/* find first non-space & print it */
for(ii = 0; ii< length; ii++) {
if(((char) 0x00ff&((*p)>>8)) != ' ') break;
if((cl = (char) 0x00ff&(*p)) != ' ') {
if(cl != '\0') printf("%c",cl);
p++; ii++;
break;
}
p++;
}
/* print the rest */
for(; ii< length; ii++) {
if(!(*p)) break; /* some older devices have NULLs */
printf("%c%c",(char)0x00ff&((*p)>>8),(char)(*p)&0x00ff);
p++;
}
printf("\n");
}
/* identify() is the only extern function used across two source files. The
others, though, were declared in hdparm.c with global scope; since other
functions in that file have static (file) scope, I assume the difference is
intentional. */
static void identify (uint16_t *id_supplied, const char *devname)
{
char *id_file = NULL, fmt[]="/proc/ide/%s/identify";
FILE *fl;
uint16_t val[256], ii, jj, kk;
uint16_t like_std = 1, std = 0, min_std = 0xffff;
uint16_t dev = NO_DEV, eqpt = NO_DEV;
uint8_t have_mode = 0, err_dma = 0;
uint8_t chksum = 0;
uint32_t ll, mm, nn, oo;
__u64 bbbig; /* (:) */
if (id_supplied) {
#if __BYTE_ORDER == __BIG_ENDIAN
swab(id_supplied, val, sizeof(val));
#else
memcpy(val, id_supplied, sizeof(val));
#endif
} else {
id_file = xcalloc(1, strlen(devname)+1+strlen(fmt));
sprintf(id_file, fmt, devname);
/* open the file, read in all the info and close it */
if (id_file == NULL) {
fl = stdin;
} else if(NULL == (fl = fopen(id_file, "r")))
bb_perror_msg_and_die(id_file);
/* calculate checksum over all bytes */
for(ii = GEN_CONFIG; ii<=INTEGRITY; ii++) {
unsigned int scratch;
if(1 != fscanf(fl,"%04x",&scratch)) break;
val[ii] = (uint16_t)scratch;
chksum += val[ii] + (val[ii] >> 8);
}
fclose(fl);
if(ii < (INTEGRITY+1))
bb_error_msg_and_die("Input file wrong format or length");
}
chksum &= 0xff;
/* check if we recognise the device type */
printf("\n");
if(!(val[GEN_CONFIG] & NOT_ATA)) {
dev = ATA_DEV;
printf("ATA device, with ");
} else if(val[GEN_CONFIG]==CFA_SUPPORT_VAL) {
dev = ATA_DEV;
like_std = 4;
printf("CompactFlash ATA device, with ");
} else if(!(val[GEN_CONFIG] & NOT_ATAPI)) {
dev = ATAPI_DEV;
eqpt = (val[GEN_CONFIG] & EQPT_TYPE) >> SHIFT_EQPT;
printf("ATAPI %s, with ", pkt_str[eqpt]);
like_std = 3;
} else {
bb_error_msg_and_die("Unknown device type:\n\tbits 15&14 of general configuration word 0 both set to 1.\n");
}
if(!(val[GEN_CONFIG] & MEDIA_REMOVABLE))
printf("non-");
printf("removable media\n");
/* Info from the specific configuration word says whether or not the
* ID command completed correctly. It is only defined, however in
* ATA/ATAPI-5 & 6; it is reserved (value theoretically 0) in prior
* standards. Since the values allowed for this word are extremely
* specific, it should be safe to check it now, even though we don't
* know yet what standard this device is using.
*/
if((val[CONFIG]==STBY_NID_VAL) || (val[CONFIG]==STBY_ID_VAL) ||
(val[CONFIG]==PWRD_NID_VAL) || (val[CONFIG]==PWRD_ID_VAL) ) {
like_std = 5;
if((val[CONFIG]==STBY_NID_VAL) || (val[CONFIG]==STBY_ID_VAL))
printf("powers-up in standby; SET FEATURES subcmd spins-up.\n");
if(((val[CONFIG]==STBY_NID_VAL) || (val[CONFIG]==PWRD_NID_VAL)) &&
(val[GEN_CONFIG] & INCOMPLETE))
printf("\n\tWARNING: ID response incomplete.\n\tWARNING: Following data may be incorrect.\n\n");
}
/* output the model and serial numbers and the fw revision */
if(val[START_MODEL]) {
printf("\t%-20s","Model Number:");
print_ascii(&val[START_MODEL], LENGTH_MODEL);
}
if(val[START_SERIAL]) {
printf("\t%-20s","Serial Number:");
print_ascii( &val[START_SERIAL], LENGTH_SERIAL);
}
if(val[START_FW_REV]) {
printf("\t%-20s","Firmware Revision:");
print_ascii(&val[START_FW_REV], LENGTH_FW_REV);
}
if(val[START_MEDIA]) {
printf("\t%-20s","Media Serial Num:");
print_ascii(&val[START_MEDIA], LENGTH_MEDIA);
}
if(val[START_MANUF]) {
printf("\t%-20s","Media Manufacturer:");
print_ascii(&val[START_MANUF], LENGTH_MANUF);
}
/* major & minor standards version number (Note: these words were not
* defined until ATA-3 & the CDROM std uses different words.) */
printf("Standards:");
if(eqpt != CDROM) {
if(val[MINOR] && (val[MINOR] <= MINOR_MAX)){
if(like_std < 3) like_std = 3;
std = actual_ver[val[MINOR]];
if(std) {
printf("\n\tUsed: ");
printf("%s ",minor_str[val[MINOR]]);
}
}
/* looks like when they up-issue the std, they obsolete one;
* thus, only the newest 4 issues need be supported. (That's
* what "kk" and "min_std" are all about.) */
if(val[MAJOR] && (val[MAJOR] !=NOVAL_1)) {
printf("\n\tSupported: ");
jj = val[MAJOR] << 1;
kk = like_std >4 ? like_std-4: 0;
for(ii = 14; (ii >0)&&(ii>kk); ii--) {
if(jj & 0x8000) {
printf("%u ", ii);
if(like_std < ii) {
like_std = ii;
kk = like_std >4 ? like_std-4: 0;
}
if(min_std > ii) min_std = ii;
}
jj <<= 1;
}
if(like_std < 3) like_std = 3;
}
/* Figure out what standard the device is using if it hasn't told
* us. If we know the std, check if the device is using any of
* the words from the next level up. It happens.
*/
if(like_std < std) like_std = std;
if(((std == 5) || (!std && (like_std < 6))) &&
( (((val[CMDS_SUPP_1] & VALID) == VALID_VAL) &&
((val[CMDS_SUPP_1] & CMDS_W83) > 0x00ff)) ||
(((val[CMDS_SUPP_2] & VALID) == VALID_VAL) &&
(val[CMDS_SUPP_2] & CMDS_W84) ) ) ) {
like_std = 6;
} else if(((std == 4) || (!std && (like_std < 5))) &&
((((val[INTEGRITY] & SIG) == SIG_VAL) && !chksum) ||
((val[HWRST_RSLT] & VALID) == VALID_VAL) ||
(((val[CMDS_SUPP_1] & VALID) == VALID_VAL) &&
((val[CMDS_SUPP_1] & CMDS_W83) > 0x001f)) ) ) {
like_std = 5;
} else if(((std == 3) || (!std && (like_std < 4))) &&
((((val[CMDS_SUPP_1] & VALID) == VALID_VAL) &&
(((val[CMDS_SUPP_1] & CMDS_W83) > 0x0000) ||
((val[CMDS_SUPP_0] & CMDS_W82) > 0x000f))) ||
((val[CAPAB_1] & VALID) == VALID_VAL) ||
((val[WHATS_VALID] & OK_W88) && val[ULTRA_DMA]) ||
((val[RM_STAT] & RM_STAT_BITS) == RM_STAT_SUP) ) ) {
like_std = 4;
} else if(((std == 2) || (!std && (like_std < 3))) &&
((val[CMDS_SUPP_1] & VALID) == VALID_VAL) ) {
like_std = 3;
} else if(((std == 1) || (!std && (like_std < 2))) &&
((val[CAPAB_0] & (IORDY_SUP | IORDY_OFF)) ||
(val[WHATS_VALID] & OK_W64_70)) ) {
like_std = 2;
}
if(!std) {
printf("\n\tLikely used: %u\n",like_std);
} else if(like_std > std) {
printf("& some of %u\n",like_std);
} else printf("\n");
} else {
/* TBD: do CDROM stuff more thoroughly. For now... */
kk = 0;
if(val[CDR_MINOR] == 9) {
kk = 1;
printf("\n\tUsed: ATAPI for CD-ROMs, SFF-8020i, r2.5");
}
if(val[CDR_MAJOR] && (val[CDR_MAJOR] !=NOVAL_1)) {
kk = 1;
printf("\n\tSupported: CD-ROM ATAPI");
jj = val[CDR_MAJOR] >> 1;
for(ii = 1; ii <15; ii++) {
if(jj & 0x0001) {
printf("-%u ", ii);
}
jj >>= 1;
}
}
if(!kk) printf("\n\tLikely used CD-ROM ATAPI-1\n");
else printf("\n");
/* the cdrom stuff is more like ATA-2 than anything else, so: */
like_std = 2;
}
if(min_std == 0xffff) min_std = like_std > 4 ? like_std - 3 : 1;
printf("Configuration:\n");
/* more info from the general configuration word */
if((eqpt != CDROM) && (like_std == 1)) {
jj = val[GEN_CONFIG] >> 1;
for(ii = 1; ii < 15; ii++) {
if(jj & 0x0001) printf("\t%s\n",ata1_cfg_str[ii]);
jj >>=1;
}
}
if(dev == ATAPI_DEV) {
printf("\tDRQ response: "); /* Data Request (DRQ) */
switch(val[GEN_CONFIG] & DRQ_RESPONSE_TIME) {
case DRQ_3MS_VAL : printf("3ms.\n"); break;
case DRQ_INTR_VAL : printf("<=10ms with INTRQ\n"); break;
case DRQ_50US_VAL : printf("50us.\n"); break;
default : printf("unknown.\n"); break;
}
printf("\tPacket size: ");
switch(val[GEN_CONFIG] & PKT_SIZE_SUPPORTED) {
case PKT_SIZE_12_VAL : printf("12 bytes\n"); break;
case PKT_SIZE_16_VAL : printf("16 bytes\n"); break;
default : printf("Unknown\n"); break;
}
} else {
/* addressing...CHS? See section 6.2 of ATA specs 4 or 5 */
ll = (uint32_t)val[LBA_SECTS_MSB] << 16 | val[LBA_SECTS_LSB];
mm = 0; bbbig = 0;
if ( (ll > 0x00FBFC10) && (!val[LCYLS])) {
printf("\tCHS addressing not supported\n");
} else {
jj = val[WHATS_VALID] & OK_W54_58;
printf("\tLogical\t\tmax\tcurrent\n");
printf("\tcylinders\t%u\t%u\n",val[LCYLS],jj?val[LCYLS_CUR]:0);
printf("\theads\t\t%u\t%u\n",val[LHEADS],jj?val[LHEADS_CUR]:0);
printf("\tsectors/track\t%u\t%u\n",val[LSECTS],jj?val[LSECTS_CUR]:0);
printf("\t--\n");
if((min_std == 1) && (val[TRACK_BYTES] || val[SECT_BYTES])) {
printf("\tbytes/track: %u",val[TRACK_BYTES]);
printf("\tbytes/sector: %u\n",val[SECT_BYTES]);
}
if(jj) {
mm = (uint32_t)val[CAPACITY_MSB] << 16 | val[CAPACITY_LSB];
if(like_std < 3) { /* check Endian of capacity bytes */
nn = val[LCYLS_CUR] * val[LHEADS_CUR] * val[LSECTS_CUR];
oo = (uint32_t)val[CAPACITY_LSB] << 16 | val[CAPACITY_MSB];
if(abs(mm - nn) > abs(oo - nn))
mm = oo;
}
printf("\tCHS current addressable sectors:%11u\n",mm);
}
}
/* LBA addressing */
printf("\tLBA user addressable sectors:%11u\n",ll);
if( ((val[CMDS_SUPP_1] & VALID) == VALID_VAL) &&
(val[CMDS_SUPP_1] & SUPPORT_48_BIT) ) {
bbbig = (__u64)val[LBA_64_MSB] << 48 |
(__u64)val[LBA_48_MSB] << 32 |
(__u64)val[LBA_MID] << 16 |
val[LBA_LSB] ;
printf("\tLBA48 user addressable sectors:%11llu\n",bbbig);
}
if (!bbbig) bbbig = (__u64)(ll>mm ? ll : mm); /* # 512 byte blocks */
printf("\tdevice size with M = 1024*1024: %11llu MBytes\n",bbbig>>11);
bbbig = (bbbig<<9)/1000000;
printf("\tdevice size with M = 1000*1000: %11llu MBytes ",bbbig);
if(bbbig > 1000) printf("(%llu GB)\n",bbbig/1000);
else printf("\n");
}
/* hw support of commands (capabilities) */
printf("Capabilities:\n");
printf("\t");
if(dev == ATAPI_DEV) {
if(eqpt != CDROM) {
if(val[CAPAB_0] & CMD_Q_SUP) printf("Cmd queuing, ");
}
if(val[CAPAB_0] & OVLP_SUP) printf("Cmd overlap, ");
}
if(val[CAPAB_0] & LBA_SUP) printf("LBA, ");
if(like_std != 1) {
printf("IORDY");
if(!(val[CAPAB_0] & IORDY_SUP)) printf("(may be)");
if(val[CAPAB_0] & IORDY_OFF) printf("(can");
else printf("(cannot");
printf(" be disabled)");
} else printf("no IORDY");
printf("\n");
if((like_std == 1) && val[BUF_TYPE]) {
kk = val[BUF_TYPE];
printf("\tBuffer type: %04x: ",kk);
if (kk < 2) printf("single port, single-sector");
else printf("dual port, multi-sector");
if (kk > 2) printf(" with read caching ability");
printf("\n");
}
jj = 0;
if((min_std == 1) && (val[BUFFER__SIZE] && (val[BUFFER__SIZE] != NOVAL_1))) {
printf("\tBuffer size: %.1fkB",(float)val[BUFFER__SIZE]/2);
jj = 1;
}
if((min_std < 4) && (val[RW_LONG])) {
printf("\tbytes avail on r/w long: %u",val[RW_LONG]);
jj = 1;
}
if((eqpt != CDROM) && (like_std > 3)) {
printf("\tQueue depth: %u",(val[QUEUE_DEPTH] & DEPTH_BITS)+1);
jj = 1;
}
if(jj) printf("\n");
if(dev == ATA_DEV) {
if(like_std == 1) {
printf("\tCan");
if(!val[DWORD_IO]) printf("not");
printf(" perform double-word IO\n");
} else {
printf("\tStandby timer values: spec'd by ");
if(val[CAPAB_0] & STD_STBY) printf("Standard");
else printf("Vendor");
if((like_std > 3) && ((val[CAPAB_1] & VALID) == VALID_VAL)) {
if(val[CAPAB_1] & MIN_STANDBY_TIMER) printf(", with ");
else printf(", no ");
printf("device specific minimum\n");
} else printf("\n");
}
printf("\tR/W multiple sector transfer: ");
if((like_std < 3) && !(val[SECTOR_XFER_MAX] & SECTOR_XFER)) {
printf("not supported\n");
} else {
printf("Max = %u\t",val[SECTOR_XFER_MAX] & SECTOR_XFER);
printf("Current = ");
if(val[SECTOR_XFER_CUR] & MULTIPLE_SETTING_VALID)
printf("%u\n",val[SECTOR_XFER_CUR] & SECTOR_XFER);
else printf("?\n");
}
if((like_std > 3) && (val[CMDS_SUPP_1] & 0x0008)) {
/* We print out elsewhere whether the APM feature is enabled or
not. If it's not enabled, let's not repeat the info; just print
nothing here. */
printf("\tAdvanced power management level: ");
if ( (val[ADV_PWR] & 0xFF00) == 0x4000 ) {
uint8_t apm_level = val[ADV_PWR] & 0x00FF;
printf("%u (0x%x)\n", apm_level, apm_level);
} else {
printf("unknown setting (0x%04x)\n", val[ADV_PWR]);
}
}
if(like_std > 5) {
if(val[ACOUSTIC]) {
printf("\tRecommended acoustic management value: %u, current value: %u\n", (val[ACOUSTIC] >> 8) & 0x00ff, val[ACOUSTIC] & 0x00ff);
}
}
} else { /* ATAPI */
if(eqpt != CDROM) {
if(val[CAPAB_0] & SWRST_REQ) printf("\tATA sw reset required\n");
}
if(val[PKT_REL] || val[SVC_NBSY]) {
printf("\tOverlap support:");
if(val[PKT_REL]) printf(" %uus to release bus.",val[PKT_REL]);
if(val[SVC_NBSY]) printf(" %uus to clear BSY after SERVICE cmd.",val[SVC_NBSY]);
printf("\n");
}
}
/* DMA stuff. Check that only one DMA mode is selected. */
printf("\tDMA: ");
if(!(val[CAPAB_0] & DMA_SUP)) {
printf("not supported\n");
} else {
if(val[DMA_MODE] && !val[SINGLE_DMA] && !val[MULTI_DMA])
printf(" sdma%u\n",(val[DMA_MODE] & MODE) >> 8);
if(val[SINGLE_DMA]) {
jj = val[SINGLE_DMA]; kk = val[SINGLE_DMA] >> 8;
err_dma += mode_loop(jj,kk,'s',&have_mode);
}
if(val[MULTI_DMA]) {
jj = val[MULTI_DMA]; kk = val[MULTI_DMA] >> 8;
err_dma += mode_loop(jj,kk,'m',&have_mode);
}
if((val[WHATS_VALID] & OK_W88) && val[ULTRA_DMA]) {
jj = val[ULTRA_DMA]; kk = val[ULTRA_DMA] >> 8;
err_dma += mode_loop(jj,kk,'u',&have_mode);
}
if(err_dma || !have_mode) printf("(?)");
printf("\n");
if((dev == ATAPI_DEV) && (eqpt != CDROM) && (val[CAPAB_0] & DMA_IL_SUP))
printf("\t Interleaved DMA support\n");
if((val[WHATS_VALID] & OK_W64_70) &&
(val[DMA_TIME_MIN] || val[DMA_TIME_NORM])) {
printf("\t Cycle time:");
if(val[DMA_TIME_MIN])
printf(" min=%uns",val[DMA_TIME_MIN]);
if(val[DMA_TIME_NORM])
printf(" recommended=%uns",val[DMA_TIME_NORM]);
printf("\n");
}
}
/* Programmed IO stuff */
printf("\tPIO: ");
/* If a drive supports mode n (e.g. 3), it also supports all modes less
* than n (e.g. 3, 2, 1 and 0). Print all the modes. */
if((val[WHATS_VALID] & OK_W64_70) && (val[ADV_PIO_MODES] & PIO_SUP)) {
jj = ((val[ADV_PIO_MODES] & PIO_SUP) << 3) | 0x0007;
for(ii = 0; ii <= PIO_MODE_MAX ; ii++) {
if(jj & 0x0001)
printf("pio%d ",ii);
jj >>=1;
}
printf("\n");
} else if(((min_std < 5) || (eqpt == CDROM)) && (val[PIO_MODE] & MODE) ) {
for(ii = 0; ii <= val[PIO_MODE]>>8; ii++) {
printf("pio%d ",ii);
}
printf("\n");
} else printf("unknown\n");
if(val[WHATS_VALID] & OK_W64_70) {
if(val[PIO_NO_FLOW] || val[PIO_FLOW]) {
printf("\t Cycle time:");
if(val[PIO_NO_FLOW])
printf(" no flow control=%uns", val[PIO_NO_FLOW]);
if(val[PIO_FLOW])
printf(" IORDY flow control=%uns", val[PIO_FLOW]);
printf("\n");
}
}
if((val[CMDS_SUPP_1] & VALID) == VALID_VAL){
printf("Commands/features:\n\tEnabled\tSupported:\n");
jj = val[CMDS_SUPP_0];
kk = val[CMDS_EN_0];
for(ii = 0; ii < NUM_CMD_FEAT_STR; ii++) {
if((jj & 0x8000) && (*cmd_feat_str[ii] != '\0')) {
if(kk & 0x8000) printf("\t *");
else printf("\t");
printf("\t%s\n",cmd_feat_str[ii]);
}
jj <<=1; kk<<=1;
if(ii%16 == 15) {
jj = val[CMDS_SUPP_0+1+(ii/16)];
kk = val[CMDS_EN_0+1+(ii/16)];
}
if(ii == 31) {
if((val[CMDS_SUPP_2] & VALID) != VALID_VAL) ii +=16;
}
}
}
if((val[RM_STAT] & RM_STAT_BITS) == RM_STAT_SUP)
printf("\tRemovable Media Status Notification feature set supported\n");
/* security */
if((eqpt != CDROM) && (like_std > 3) &&
(val[SECU_STATUS] || val[ERASE_TIME] || val[ENH_ERASE_TIME])) {
printf("Security: \n");
if(val[PSWD_CODE] && (val[PSWD_CODE] != NOVAL_1))
printf("\tMaster password revision code = %u\n",val[PSWD_CODE]);
jj = val[SECU_STATUS];
if(jj) {
for(ii = 0; ii < NUM_SECU_STR; ii++) {
if(!(jj & 0x0001)) printf("\tnot\t");
else printf("\t\t");
printf("%s\n",secu_str[ii]);
jj >>=1;
}
if(val[SECU_STATUS] & SECU_ENABLED) {
printf("\tSecurity level ");
if(val[SECU_STATUS] & SECU_LEVEL) printf("maximum\n");
else printf("high\n");
}
}
jj = val[ERASE_TIME] & ERASE_BITS;
kk = val[ENH_ERASE_TIME] & ERASE_BITS;
if(jj || kk) {
printf("\t");
if(jj) printf("%umin for SECURITY ERASE UNIT. ", jj==ERASE_BITS ? 508 : jj<<1);
if(kk) printf("%umin for ENHANCED SECURITY ERASE UNIT.", kk==ERASE_BITS ? 508 : kk<<1);
printf("\n");
}
}
/* reset result */
if((val[HWRST_RSLT] & VALID) == VALID_VAL) {
printf("HW reset results:\n");
if(val[HWRST_RSLT] & CBLID) printf("\tCBLID- above Vih\n");
else printf("\tCBLID- below Vih\n");
if(val[HWRST_RSLT] & RST0) {
printf("\tDevice num = 0");
jj = val[HWRST_RSLT];
} else {
printf("\tDevice num = 1");
jj = val[HWRST_RSLT] >> 8;
}
if((jj & DEV_DET) == JUMPER_VAL)
printf(" determined by the jumper");
else if((jj & DEV_DET) == CSEL_VAL)
printf(" determined by CSEL");
printf("\n");
}
/* more stuff from std 5 */
if((like_std > 4) && (eqpt != CDROM)) {
if(val[CFA_PWR_MODE] & VALID_W160) {
printf("CFA power mode 1:\n\t");
if(val[CFA_PWR_MODE] & PWR_MODE_OFF) printf("dis");
else printf("en");
printf("abled");
if(val[CFA_PWR_MODE] & PWR_MODE_REQ)
printf(" and required by some commands");
printf("\n");
if(val[CFA_PWR_MODE] & MAX_AMPS)
printf("\tMaximum current = %uma\n",val[CFA_PWR_MODE] & MAX_AMPS);
}
if((val[INTEGRITY] & SIG) == SIG_VAL) {
printf("Checksum: ");
if(chksum) printf("in");
printf("correct\n");
}
}
exit(0);
}
#endif
#define VERSION "v5.4"
#undef DO_FLUSHCACHE /* under construction: force cache flush on -W0 */
#define TIMING_BUF_MB 2
#define TIMING_BUF_BYTES (TIMING_BUF_MB * 1024 * 1024)
#define BUFCACHE_FACTOR 2
static int verbose = 0, get_identity = 0, get_geom = 0, noisy = 1, quiet = 0;
static int flagcount = 0, do_flush = 0, is_scsi_hd = 0, is_xt_hd = 0;
static int do_ctimings, do_timings = 0;
static unsigned long set_readahead= 0, get_readahead= 0, readahead= 0;
static unsigned long set_readonly = 0, get_readonly = 0, readonly = 0;
static unsigned long set_unmask = 0, get_unmask = 0, unmask = 0;
static unsigned long set_mult = 0, get_mult = 0, mult = 0;
static unsigned long set_dma = 0, get_dma = 0, dma = 0;
static unsigned long set_dma_q = 0, get_dma_q = 0, dma_q = 0;
static unsigned long set_nowerr = 0, get_nowerr = 0, nowerr = 0;
static unsigned long set_keep = 0, get_keep = 0, keep = 0;
static unsigned long set_io32bit = 0, get_io32bit = 0, io32bit = 0;
static unsigned long set_piomode = 0, noisy_piomode= 0;
static int piomode = 0;
#ifdef HDIO_DRIVE_CMD
static unsigned long set_dkeep = 0, get_dkeep = 0, dkeep = 0;
static unsigned long set_standby = 0, get_standby = 0, standby_requested= 0;
static unsigned long set_xfermode = 0, get_xfermode = 0;
static int xfermode_requested= 0;
static unsigned long set_lookahead= 0, get_lookahead= 0, lookahead= 0;
static unsigned long set_prefetch = 0, get_prefetch = 0, prefetch = 0;
static unsigned long set_defects = 0, get_defects = 0, defects = 0;
static unsigned long set_wcache = 0, get_wcache = 0, wcache = 0;
static unsigned long set_doorlock = 0, get_doorlock = 0, doorlock = 0;
static unsigned long set_seagate = 0, get_seagate = 0;
static unsigned long set_standbynow = 0, get_standbynow = 0;
static unsigned long set_sleepnow = 0, get_sleepnow = 0;
static unsigned long get_powermode = 0;
static unsigned long set_apmmode = 0, get_apmmode= 0, apmmode = 0;
#endif
#ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
static int get_IDentity = 0;
#endif
#ifdef CONFIG_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF
static int unregister_hwif = 0;
static int hwif = 0;
#endif
#ifdef CONFIG_FEATURE_HDPARM_HDIO_SCAN_HWIF
static int scan_hwif = 0;
static int hwif_data = 0;
static int hwif_ctrl = 0;
static int hwif_irq = 0;
#endif
#ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
static int set_busstate = 0, get_busstate = 0, busstate = 0;
#endif
static int reread_partn = 0;
#ifdef CONFIG_FEATURE_HDPARM_HDIO_DRIVE_RESET
static int perform_reset = 0;
#endif /* CONFIG_FEATURE_HDPARM_HDIO_DRIVE_RESET */
#ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
static int perform_tristate = 0, tristate = 0;
#endif /* CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF */
// Historically, if there was no HDIO_OBSOLETE_IDENTITY, then
// then the HDIO_GET_IDENTITY only returned 142 bytes.
// Otherwise, HDIO_OBSOLETE_IDENTITY returns 142 bytes,
// and HDIO_GET_IDENTITY returns 512 bytes. But the latest
// 2.5.xx kernels no longer define HDIO_OBSOLETE_IDENTITY
// (which they should, but they should just return -EINVAL).
//
// So.. we must now assume that HDIO_GET_IDENTITY returns 512 bytes.
// On a really old system, it will not, and we will be confused.
// Too bad, really.
#ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
static const char *cfg_str[] =
{ "", " HardSect", " SoftSect", " NotMFM",
" HdSw>15uSec", " SpinMotCtl", " Fixed", " Removeable",
" DTR<=5Mbs", " DTR>5Mbs", " DTR>10Mbs", " RotSpdTol>.5%",
" dStbOff", " TrkOff", " FmtGapReq", " nonMagnetic"
};
static const char *BuffType[] = {"unknown", "1Sect", "DualPort", "DualPortCache"};
#define YN(b) (((b)==0)?"no":"yes")
static void dmpstr (const char *prefix, unsigned int i, const char *s[], unsigned int maxi)
{
if (i > maxi)
printf("%s%u", prefix, i);
else
printf("%s%s", prefix, s[i]);
}
static void dump_identity (const struct hd_driveid *id)
{
int i;
char pmodes[64] = {0,}, dmodes[128]={0,}, umodes[128]={0,};
const unsigned short int *id_regs= (const void*) id;
unsigned long capacity;
printf("\n Model=%.40s, FwRev=%.8s, SerialNo=%.20s",
id->model, id->fw_rev, id->serial_no);
printf("\n Config={");
for (i=0; i<=15; i++) {
if (id->config & (1<<i))
printf("%s", cfg_str[i]);
}
printf(" }\n");
printf(" RawCHS=%u/%u/%u, TrkSize=%u, SectSize=%u, ECCbytes=%u\n",
id->cyls, id->heads, id->sectors,
id->track_bytes, id->sector_bytes, id->ecc_bytes);
dmpstr(" BuffType=",id->buf_type,BuffType,3);
printf(", BuffSize=%ukB, MaxMultSect=%u", id->buf_size/2, id->max_multsect);
if (id->max_multsect) {
printf(", MultSect=");
if (!(id->multsect_valid&1))
printf("?%u?", id->multsect);
else if (id->multsect)
printf("%u", id->multsect);
else
printf("off");
}
putchar('\n');
if (id->tPIO <= 5) {
strcat(pmodes, "pio0 ");
if (id->tPIO >= 1) strcat(pmodes, "pio1 ");
if (id->tPIO >= 2) strcat(pmodes, "pio2 ");
}
if (!(id->field_valid&1))
printf(" (maybe):");
#if __BYTE_ORDER == __BIG_ENDIAN
capacity = (id->cur_capacity0 << 16) | id->cur_capacity1;
#else
capacity = (id->cur_capacity1 << 16) | id->cur_capacity0;
#endif
printf(" CurCHS=%u/%u/%u, CurSects=%lu", id->cur_cyls, id->cur_heads, id->cur_sectors, capacity);
printf(", LBA=%s", YN(id->capability&2));
if (id->capability&2)
printf(", LBAsects=%u", id->lba_capacity);
if (id->capability&1) {
if (id->dma_1word | id->dma_mword) {
if (id->dma_1word & 0x100) strcat(dmodes,"*");
if (id->dma_1word & 1) strcat(dmodes,"sdma0 ");
if (id->dma_1word & 0x200) strcat(dmodes,"*");
if (id->dma_1word & 2) strcat(dmodes,"sdma1 ");
if (id->dma_1word & 0x400) strcat(dmodes,"*");
if (id->dma_1word & 4) strcat(dmodes,"sdma2 ");
if (id->dma_1word & 0xf800) strcat(dmodes,"*");
if (id->dma_1word & 0xf8) strcat(dmodes,"sdma? ");
if (id->dma_mword & 0x100) strcat(dmodes,"*");
if (id->dma_mword & 1) strcat(dmodes,"mdma0 ");
if (id->dma_mword & 0x200) strcat(dmodes,"*");
if (id->dma_mword & 2) strcat(dmodes,"mdma1 ");
if (id->dma_mword & 0x400) strcat(dmodes,"*");
if (id->dma_mword & 4) strcat(dmodes,"mdma2 ");
if (id->dma_mword & 0xf800) strcat(dmodes,"*");
if (id->dma_mword & 0xf8) strcat(dmodes,"mdma? ");
}
}
printf("\n IORDY=");
if (id->capability&8)
printf((id->capability&4) ? "on/off" : "yes");
else
printf("no");
if ((id->capability&8) || (id->field_valid&2)) {
if (id->field_valid&2) {
printf(", tPIO={min:%u,w/IORDY:%u}", id->eide_pio, id->eide_pio_iordy);
if (id->eide_pio_modes & 1) strcat(pmodes, "pio3 ");
if (id->eide_pio_modes & 2) strcat(pmodes, "pio4 ");
if (id->eide_pio_modes &~3) strcat(pmodes, "pio? ");
}
if (id->field_valid&4) {
if (id->dma_ultra & 0x100) strcat(umodes,"*");
if (id->dma_ultra & 0x001) strcat(umodes,"udma0 ");
if (id->dma_ultra & 0x200) strcat(umodes,"*");
if (id->dma_ultra & 0x002) strcat(umodes,"udma1 ");
if (id->dma_ultra & 0x400) strcat(umodes,"*");
if (id->dma_ultra & 0x004) strcat(umodes,"udma2 ");
#ifdef __NEW_HD_DRIVE_ID
if (id->hw_config & 0x2000) {
#else /* !__NEW_HD_DRIVE_ID */
if (id->word93 & 0x2000) {
#endif /* __NEW_HD_DRIVE_ID */
if (id->dma_ultra & 0x0800) strcat(umodes,"*");
if (id->dma_ultra & 0x0008) strcat(umodes,"udma3 ");
if (id->dma_ultra & 0x1000) strcat(umodes,"*");
if (id->dma_ultra & 0x0010) strcat(umodes,"udma4 ");
if (id->dma_ultra & 0x2000) strcat(umodes,"*");
if (id->dma_ultra & 0x0020) strcat(umodes,"udma5 ");
if (id->dma_ultra & 0x4000) strcat(umodes,"*");
if (id->dma_ultra & 0x0040) strcat(umodes,"udma6 ");
if (id->dma_ultra & 0x8000) strcat(umodes,"*");
if (id->dma_ultra & 0x0080) strcat(umodes,"udma7 ");
}
}
}
if ((id->capability&1) && (id->field_valid&2))
printf(", tDMA={min:%u,rec:%u}", id->eide_dma_min, id->eide_dma_time);
printf("\n PIO modes: %s", pmodes);
if (*dmodes)
printf("\n DMA modes: %s", dmodes);
if (*umodes)
printf("\n UDMA modes: %s", umodes);
printf("\n AdvancedPM=%s",YN(id_regs[83]&8));
if (id_regs[83] & 8) {
if (!(id_regs[86]&8))
printf(": disabled (255)");
else if ((id_regs[91]&0xFF00)!=0x4000)
printf(": unknown setting");
else
printf(": mode=0x%02X (%u)",id_regs[91]&0xFF,id_regs[91]&0xFF);
}
if (id_regs[82]&0x20)
printf(" WriteCache=%s",(id_regs[85]&0x20) ? "enabled" : "disabled");
#ifdef __NEW_HD_DRIVE_ID
if ((id->minor_rev_num && id->minor_rev_num <= 31) || (id->major_rev_num && id->minor_rev_num <= 31)) {
printf("\n Drive conforms to: ");
if (id->minor_rev_num <= 31)
printf("%s: ", minor_str[id->minor_rev_num]);
else
printf("unknown: ");
if (id->major_rev_num < 31) {
for (i=0; i <= 15; i++) {
if (id->major_rev_num & (1<<i))
printf(" %u", i);
}
}
}
#endif /* __NEW_HD_DRIVE_ID */
printf("\n");
printf("\n * signifies the current active mode\n");
printf("\n");
}
#endif
static void flush_buffer_cache (int fd)
{
fsync (fd); /* flush buffers */
if (ioctl(fd, BLKFLSBUF, NULL)) /* do it again, big time */
bb_perror_msg("BLKFLSBUF failed");
#ifdef HDIO_DRIVE_CMD
if (is_scsi_hd || is_xt_hd) {
sleep(1);
} else {
if (ioctl(fd, HDIO_DRIVE_CMD, NULL) && errno != EINVAL) /* await completion */
bb_perror_msg("HDIO_DRIVE_CMD(null) (wait for flush complete) failed");
}
#endif
}
static int seek_to_zero (int fd)
{
if (lseek(fd, (off_t) 0, SEEK_SET)) {
bb_perror_msg("lseek() failed");
return 1;
}
return 0;
}
static int read_big_block (int fd, char *buf)
{
int i, rc;
if ((rc = read(fd, buf, TIMING_BUF_BYTES)) != TIMING_BUF_BYTES) {
if (rc) {
if (rc == -1)
bb_perror_msg("read() failed");
else
bb_error_msg("read(%u) returned %u bytes", TIMING_BUF_BYTES, rc);
} else {
fputs ("read() hit EOF - device too small\n", stderr);
}
return 1;
}
/* access all sectors of buf to ensure the read fully completed */
for (i = 0; i < TIMING_BUF_BYTES; i += 512)
buf[i] &= 1;
return 0;
}
static void time_cache (int fd)
{
char *buf;
struct itimerval e1, e2;
int shmid;
double elapsed, elapsed2;
unsigned int iterations, total_MB;
if ((shmid = shmget(IPC_PRIVATE, TIMING_BUF_BYTES, 0600)) == -1) {
bb_perror_msg ("could not allocate sharedmem buf");
return;
}
if (shmctl(shmid, SHM_LOCK, NULL) == -1) {
bb_perror_msg ("could not lock sharedmem buf");
(void) shmctl(shmid, IPC_RMID, NULL);
return;
}
if ((buf = shmat(shmid, (char *) 0, 0)) == (char *) -1) {
bb_perror_msg ("could not attach sharedmem buf");
(void) shmctl(shmid, IPC_RMID, NULL);
return;
}
if (shmctl(shmid, IPC_RMID, NULL) == -1)
bb_perror_msg ("shmctl(,IPC_RMID,) failed");
/* Clear out the device request queues & give them time to complete */
sync();
sleep(3);
/*
* getitimer() is used rather than gettimeofday() because
* it is much more consistent (on my machine, at least).
*/
setitimer(ITIMER_REAL, &(struct itimerval){{1000,0},{1000,0}}, NULL);
if (seek_to_zero (fd)) return;
if (read_big_block (fd, buf)) return;
printf(" Timing buffer-cache reads: ");
fflush(stdout);
/* Clear out the device request queues & give them time to complete */
sync();
sleep(1);
/* Now do the timing */
iterations = 0;
getitimer(ITIMER_REAL, &e1);
do {
++iterations;
if (seek_to_zero (fd) || read_big_block (fd, buf))
goto quit;
getitimer(ITIMER_REAL, &e2);
elapsed = (e1.it_value.tv_sec - e2.it_value.tv_sec)
+ ((e1.it_value.tv_usec - e2.it_value.tv_usec) / 1000000.0);
} while (elapsed < 2.0);
total_MB = iterations * TIMING_BUF_MB;
elapsed = (e1.it_value.tv_sec - e2.it_value.tv_sec)
+ ((e1.it_value.tv_usec - e2.it_value.tv_usec) / 1000000.0);
/* Now remove the lseek() and getitimer() overheads from the elapsed time */
getitimer(ITIMER_REAL, &e1);
do {
if (seek_to_zero (fd))
goto quit;
getitimer(ITIMER_REAL, &e2);
elapsed2 = (e1.it_value.tv_sec - e2.it_value.tv_sec)
+ ((e1.it_value.tv_usec - e2.it_value.tv_usec) / 1000000.0);
} while (--iterations);
elapsed -= elapsed2;
if ((BUFCACHE_FACTOR * total_MB) >= elapsed) /* more than 1MB/s */
printf("%3u MB in %5.2f seconds = %6.2f MB/sec\n",
(BUFCACHE_FACTOR * total_MB), elapsed,
(BUFCACHE_FACTOR * total_MB) / elapsed);
else
printf("%3u MB in %5.2f seconds = %6.2f kB/sec\n",
(BUFCACHE_FACTOR * total_MB), elapsed,
(BUFCACHE_FACTOR * total_MB) / elapsed * 1024);
flush_buffer_cache(fd);
sleep(1);
quit:
if (-1 == shmdt(buf))
bb_perror_msg ("could not detach sharedmem buf");
}
static void time_device (int fd)
{
char *buf;
double elapsed;
struct itimerval e1, e2;
int shmid;
unsigned int max_iterations = 1024, total_MB, iterations;
static long parm;
//
// get device size
//
if (do_ctimings || do_timings) {
if (ioctl(fd, BLKGETSIZE, &parm))
bb_perror_msg(" BLKGETSIZE failed");
else
max_iterations = parm / (2 * 1024) / TIMING_BUF_MB;
}
if ((shmid = shmget(IPC_PRIVATE, TIMING_BUF_BYTES, 0600)) == -1) {
bb_perror_msg ("could not allocate sharedmem buf");
return;
}
if (shmctl(shmid, SHM_LOCK, NULL) == -1) {
bb_perror_msg ("could not lock sharedmem buf");
(void) shmctl(shmid, IPC_RMID, NULL);
return;
}
if ((buf = shmat(shmid, (char *) 0, 0)) == (char *) -1) {
bb_perror_msg ("could not attach sharedmem buf");
(void) shmctl(shmid, IPC_RMID, NULL);
return;
}
if (shmctl(shmid, IPC_RMID, NULL) == -1)
bb_perror_msg ("shmctl(,IPC_RMID,) failed");
/* Clear out the device request queues & give them time to complete */
sync();
sleep(3);
printf(" Timing buffered disk reads: ");
fflush(stdout);
/*
* getitimer() is used rather than gettimeofday() because
* it is much more consistent (on my machine, at least).
*/
setitimer(ITIMER_REAL, &(struct itimerval){{1000,0},{1000,0}}, NULL);
/* Now do the timings for real */
iterations = 0;
getitimer(ITIMER_REAL, &e1);
do {
++iterations;
if (read_big_block (fd, buf))
goto quit;
getitimer(ITIMER_REAL, &e2);
elapsed = (e1.it_value.tv_sec - e2.it_value.tv_sec)
+ ((e1.it_value.tv_usec - e2.it_value.tv_usec) / 1000000.0);
} while (elapsed < 3.0 && iterations < max_iterations);
total_MB = iterations * TIMING_BUF_MB;
if ((total_MB / elapsed) > 1.0) /* more than 1MB/s */
printf("%3u MB in %5.2f seconds = %6.2f MB/sec\n",
total_MB, elapsed, total_MB / elapsed);
else
printf("%3u MB in %5.2f seconds = %6.2f kB/sec\n",
total_MB, elapsed, total_MB / elapsed * 1024);
quit:
if (-1 == shmdt(buf))
bb_perror_msg ("could not detach sharedmem buf");
}
static void no_scsi (void)
{
if (is_scsi_hd) {
bb_error_msg_and_die(" operation not supported on SCSI disks\n");
}
}
static void no_xt (void)
{
if (is_xt_hd) {
bb_error_msg_and_die (" operation not supported on XT disks\n");
}
}
static void on_off (unsigned int value)
{
printf(value ? " (on)\n" : " (off)\n");
}
#ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
static void bus_state_value (unsigned int value)
{
const char *string;
switch (value) {
case BUSSTATE_ON:
string = " (on)\n";
break;
case BUSSTATE_OFF:
string = " (off)\n";
break;
case BUSSTATE_TRISTATE:
string = " (tristate)\n";
break;
default:
string = " (unknown: %d)\n";
break;
}
printf(string, value);
}
#endif
#ifdef HDIO_DRIVE_CMD
static void interpret_standby (unsigned int standby)
{
printf(" (");
switch(standby) {
case 0: printf("off");
break;
case 252: printf("21 minutes");
break;
case 253: printf("vendor-specific");
break;
case 254: printf("?reserved");
break;
case 255: printf("21 minutes + 15 seconds");
break;
default:
if (standby <= 240) {
unsigned int secs = standby * 5;
unsigned int mins = secs / 60;
secs %= 60;
if (mins) printf("%u minutes", mins);
if (mins && secs) printf(" + ");
if (secs) printf("%u seconds", secs);
} else if (standby <= 251) {
unsigned int mins = (standby - 240) * 30;
unsigned int hrs = mins / 60;
mins %= 60;
if (hrs) printf("%u hours", hrs);
if (hrs && mins) printf(" + ");
if (mins) printf("%u minutes", mins);
} else
printf("illegal value");
break;
}
printf(")\n");
}
struct xfermode_entry {
int val;
const char *name;
};
static const struct xfermode_entry xfermode_table[] = {
{ 8, "pio0" },
{ 9, "pio1" },
{ 10, "pio2" },
{ 11, "pio3" },
{ 12, "pio4" },
{ 13, "pio5" },
{ 14, "pio6" },
{ 15, "pio7" },
{ 16, "sdma0" },
{ 17, "sdma1" },
{ 18, "sdma2" },
{ 19, "sdma3" },
{ 20, "sdma4" },
{ 21, "sdma5" },
{ 22, "sdma6" },
{ 23, "sdma7" },
{ 32, "mdma0" },
{ 33, "mdma1" },
{ 34, "mdma2" },
{ 35, "mdma3" },
{ 36, "mdma4" },
{ 37, "mdma5" },
{ 38, "mdma6" },
{ 39, "mdma7" },
{ 64, "udma0" },
{ 65, "udma1" },
{ 66, "udma2" },
{ 67, "udma3" },
{ 68, "udma4" },
{ 69, "udma5" },
{ 70, "udma6" },
{ 71, "udma7" },
{ 0, NULL }
};
static int translate_xfermode(char * name)
{
const struct xfermode_entry *tmp;
char *endptr;
int val = -1;
for (tmp = xfermode_table; tmp->name != NULL; ++tmp) {
if (!strcmp(name, tmp->name))
return tmp->val;
}
val = strtol(name, &endptr, 10);
if (*endptr == '\0')
return val;
return -1;
}
static void interpret_xfermode (unsigned int xfermode)
{
printf(" (");
switch(xfermode) {
case 0: printf("default PIO mode");
break;
case 1: printf("default PIO mode, disable IORDY");
break;
case 8:
case 9:
case 10:
case 11:
case 12:
case 13:
case 14:
case 15: printf("PIO flow control mode%u", xfermode-8);
break;
case 16:
case 17:
case 18:
case 19:
case 20:
case 21:
case 22:
case 23: printf("singleword DMA mode%u", xfermode-16);
break;
case 32:
case 33:
case 34:
case 35:
case 36:
case 37:
case 38:
case 39: printf("multiword DMA mode%u", xfermode-32);
break;
case 64:
case 65:
case 66:
case 67:
case 68:
case 69:
case 70:
case 71: printf("UltraDMA mode%u", xfermode-64);
break;
default:
printf("unknown, probably not valid");
break;
}
printf(")\n");
}
#endif /* HDIO_DRIVE_CMD */
#ifndef VXVM_MAJOR
#define VXVM_MAJOR 199
#endif
#ifndef CCISS_MAJOR
#define CCISS_MAJOR 104
#endif
static void process_dev (char *devname)
{
int fd;
static long parm, multcount;
struct stat stat_buf;
#ifndef HDIO_DRIVE_CMD
int force_operation = 0;
#endif
if (stat(devname,&stat_buf))
bb_perror_msg_and_die(devname);
switch(major(stat_buf.st_rdev)) {
#ifdef SCSI_DISK0_MAJOR
case (SCSI_DISK0_MAJOR):
case (SCSI_DISK1_MAJOR):
case (SCSI_DISK2_MAJOR):
case (SCSI_DISK3_MAJOR):
case (SCSI_DISK4_MAJOR):
case (SCSI_DISK5_MAJOR):
case (SCSI_DISK6_MAJOR):
case (SCSI_DISK7_MAJOR):
#else
case (SCSI_DISK_MAJOR):
#endif
#ifdef MD_MAJOR
case (MD_MAJOR):
#endif
case (VXVM_MAJOR):
#ifdef LVM_BLK_MAJOR
case (LVM_BLK_MAJOR):
#endif
case (CCISS_MAJOR):
is_scsi_hd = 1;
break;
#ifdef XT_DISK_MAJOR
case (XT_DISK_MAJOR):
is_xt_hd = 1;
break;
#endif
case IDE0_MAJOR:
case IDE1_MAJOR:
#ifdef IDE2_MAJOR
case IDE2_MAJOR:
#endif
#ifdef IDE3_MAJOR
case IDE3_MAJOR:
#endif
#ifdef IDE4_MAJOR
case IDE4_MAJOR:
#endif
#ifdef IDE5_MAJOR
case IDE5_MAJOR:
#endif
#ifdef IDE6_MAJOR
case IDE6_MAJOR:
#endif
#ifdef IDE7_MAJOR
case IDE7_MAJOR:
#endif
#ifdef IDE8_MAJOR
case IDE8_MAJOR:
#endif
#ifdef IDE9_MAJOR
case IDE9_MAJOR:
#endif
break; /* do nothing */
default:
bb_error_msg_and_die("%s not supported by hdparm",devname);
}
fd = open (devname, O_RDONLY|O_NONBLOCK);
if (fd < 0)
bb_perror_msg_and_die(devname);
if (!quiet)
printf("\n%s:\n", devname);
if (set_readahead) {
if (get_readahead)
printf(" setting fs readahead to %ld\n", readahead);
if (ioctl(fd, BLKRASET, readahead))
bb_perror_msg(" BLKRASET failed");
}
#ifdef CONFIG_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF
if (unregister_hwif) {
no_scsi();
printf(" attempting to unregister hwif#%u\n", hwif);
if (ioctl(fd, HDIO_UNREGISTER_HWIF, hwif))
bb_perror_msg(" HDIO_UNREGISTER_HWIF failed");
}
#endif
#ifdef CONFIG_FEATURE_HDPARM_HDIO_SCAN_HWIF
if (scan_hwif) {
int args[3];
no_scsi();
printf(" attempting to scan hwif (0x%x, 0x%x, %u)\n", hwif_data, hwif_ctrl, hwif_irq);
args[0] = hwif_data;
args[1] = hwif_ctrl;
args[2] = hwif_irq;
if (ioctl(fd, HDIO_SCAN_HWIF, args))
bb_perror_msg(" HDIO_SCAN_HWIF failed");
}
#endif
if (set_piomode) {
no_scsi();
no_xt();
if (noisy_piomode) {
if (piomode == 255)
printf(" attempting to auto-tune PIO mode\n");
else if (piomode < 100)
printf(" attempting to set PIO mode to %d\n", piomode);
else if (piomode < 200)
printf(" attempting to set MDMA mode to %d\n", (piomode-100));
else
printf(" attempting to set UDMA mode to %d\n", (piomode-200));
}
if (ioctl(fd, HDIO_SET_PIO_MODE, piomode))
bb_perror_msg(" HDIO_SET_PIO_MODE failed");
}
if (set_io32bit) {
no_scsi();
no_xt();
if (get_io32bit)
printf(" setting 32-bit IO_support flag to %ld\n", io32bit);
if (ioctl(fd, HDIO_SET_32BIT, io32bit))
bb_perror_msg(" HDIO_SET_32BIT failed");
}
if (set_mult) {
no_scsi();
no_xt();
if (get_mult)
printf(" setting multcount to %ld\n", mult);
if (ioctl(fd, HDIO_SET_MULTCOUNT, mult))
bb_perror_msg(" HDIO_SET_MULTCOUNT failed");
#ifndef HDIO_DRIVE_CMD
else force_operation = 1;
#endif
}
if (set_readonly) {
if (get_readonly) {
printf(" setting readonly to %ld", readonly);
on_off(readonly);
}
if (ioctl(fd, BLKROSET, &readonly))
bb_perror_msg(" BLKROSET failed");
}
if (set_unmask) {
no_scsi();
no_xt();
if (get_unmask) {
printf(" setting unmaskirq to %ld", unmask);
on_off(unmask);
}
if (ioctl(fd, HDIO_SET_UNMASKINTR, unmask))
bb_perror_msg(" HDIO_SET_UNMASKINTR failed");
}
if (set_dma) {
no_scsi();
if (get_dma) {
printf(" setting using_dma to %ld", dma);
on_off(dma);
}
if (ioctl(fd, HDIO_SET_DMA, dma))
bb_perror_msg(" HDIO_SET_DMA failed");
}
if (set_dma_q) {
no_scsi();
if (get_dma_q) {
printf(" setting DMA queue_depth to %ld", dma_q);
on_off(dma_q);
}
if (ioctl(fd, HDIO_SET_QDMA, dma_q))
bb_perror_msg(" HDIO_SET_QDMA failed");
}
if (set_nowerr) {
no_scsi();
no_xt();
if (get_nowerr) {
printf(" setting nowerr to %ld", nowerr);
on_off(nowerr);
}
if (ioctl(fd, HDIO_SET_NOWERR, nowerr))
bb_perror_msg(" HDIO_SET_NOWERR failed");
}
if (set_keep) {
no_scsi();
no_xt();
if (get_keep) {
printf(" setting keep_settings to %ld", keep);
on_off(keep);
}
if (ioctl(fd, HDIO_SET_KEEPSETTINGS, keep))
bb_perror_msg(" HDIO_SET_KEEPSETTINGS failed");
}
#ifdef HDIO_DRIVE_CMD
if (set_doorlock) {
unsigned char args[4] = {0,0,0,0};
no_scsi();
no_xt();
args[0] = doorlock ? WIN_DOORLOCK : WIN_DOORUNLOCK;
if (get_doorlock) {
printf(" setting drive doorlock to %ld", doorlock);
on_off(doorlock);
}
if (ioctl(fd, HDIO_DRIVE_CMD, &args))
bb_perror_msg(" HDIO_DRIVE_CMD(doorlock) failed");
}
if (set_dkeep) {
/* lock/unlock the drive's "feature" settings */
unsigned char args[4] = {WIN_SETFEATURES,0,0,0};
no_scsi();
no_xt();
if (get_dkeep) {
printf(" setting drive keep features to %ld", dkeep);
on_off(dkeep);
}
args[2] = dkeep ? 0x66 : 0xcc;
if (ioctl(fd, HDIO_DRIVE_CMD, &args))
bb_perror_msg(" HDIO_DRIVE_CMD(keepsettings) failed");
}
if (set_defects) {
unsigned char args[4] = {WIN_SETFEATURES,0,0x04,0};
no_scsi();
args[2] = defects ? 0x04 : 0x84;
if (get_defects)
printf(" setting drive defect-mgmt to %ld\n", defects);
if (ioctl(fd, HDIO_DRIVE_CMD, &args))
bb_perror_msg(" HDIO_DRIVE_CMD(defectmgmt) failed");
}
if (set_prefetch) {
unsigned char args[4] = {WIN_SETFEATURES,0,0xab,0};
no_scsi();
no_xt();
args[1] = prefetch;
if (get_prefetch)
printf(" setting drive prefetch to %ld\n", prefetch);
if (ioctl(fd, HDIO_DRIVE_CMD, &args))
bb_perror_msg(" HDIO_DRIVE_CMD(setprefetch) failed");
}
if (set_xfermode) {
unsigned char args[4] = {WIN_SETFEATURES,0,3,0};
no_scsi();
no_xt();
args[1] = xfermode_requested;
if (get_xfermode) {
printf(" setting xfermode to %d", xfermode_requested);
interpret_xfermode(xfermode_requested);
}
if (ioctl(fd, HDIO_DRIVE_CMD, &args))
bb_perror_msg(" HDIO_DRIVE_CMD(setxfermode) failed");
}
if (set_lookahead) {
unsigned char args[4] = {WIN_SETFEATURES,0,0,0};
no_scsi();
no_xt();
args[2] = lookahead ? 0xaa : 0x55;
if (get_lookahead) {
printf(" setting drive read-lookahead to %ld", lookahead);
on_off(lookahead);
}
if (ioctl(fd, HDIO_DRIVE_CMD, &args))
bb_perror_msg(" HDIO_DRIVE_CMD(setreadahead) failed");
}
if (set_apmmode) {
unsigned char args[4] = {WIN_SETFEATURES,0,0,0};
no_scsi();
if (apmmode<1) apmmode=1;
if (apmmode>255) apmmode=255;
if (get_apmmode)
printf(" setting Advanced Power Management level to");
if (apmmode==255) {
/* disable Advanced Power Management */
args[2] = 0x85; /* feature register */
if (get_apmmode) printf(" disabled\n");
} else {
/* set Advanced Power Management mode */
args[2] = 0x05; /* feature register */
args[1] = apmmode; /* sector count register */
if (get_apmmode) printf(" 0x%02lX (%ld)\n",apmmode,apmmode);
}
if (ioctl(fd, HDIO_DRIVE_CMD, &args))
bb_perror_msg(" HDIO_DRIVE_CMD failed");
}
if (set_wcache) {
#ifdef DO_FLUSHCACHE
#ifndef WIN_FLUSHCACHE
#define WIN_FLUSHCACHE 0xe7
#endif
unsigned char flushcache[4] = {WIN_FLUSHCACHE,0,0,0};
#endif /* DO_FLUSHCACHE */
unsigned char args[4] = {WIN_SETFEATURES,0,0,0};
no_scsi();
no_xt();
args[2] = wcache ? 0x02 : 0x82;
if (get_wcache) {
printf(" setting drive write-caching to %ld", wcache);
on_off(wcache);
}
#ifdef DO_FLUSHCACHE
if (!wcache && ioctl(fd, HDIO_DRIVE_CMD, &flushcache))
bb_perror_msg (" HDIO_DRIVE_CMD(flushcache) failed");
#endif /* DO_FLUSHCACHE */
if (ioctl(fd, HDIO_DRIVE_CMD, &args))
bb_perror_msg(" HDIO_DRIVE_CMD(setcache) failed");
#ifdef DO_FLUSHCACHE
if (!wcache && ioctl(fd, HDIO_DRIVE_CMD, &flushcache))
bb_perror_msg (" HDIO_DRIVE_CMD(flushcache) failed");
#endif /* DO_FLUSHCACHE */
}
if (set_standbynow) {
#ifndef WIN_STANDBYNOW1
#define WIN_STANDBYNOW1 0xE0
#endif
#ifndef WIN_STANDBYNOW2
#define WIN_STANDBYNOW2 0x94
#endif
unsigned char args1[4] = {WIN_STANDBYNOW1,0,0,0};
unsigned char args2[4] = {WIN_STANDBYNOW2,0,0,0};
no_scsi();
if (get_standbynow)
printf(" issuing standby command\n");
if (ioctl(fd, HDIO_DRIVE_CMD, &args1)
&& ioctl(fd, HDIO_DRIVE_CMD, &args2))
bb_perror_msg(" HDIO_DRIVE_CMD(standby) failed");
}
if (set_sleepnow) {
#ifndef WIN_SLEEPNOW1
#define WIN_SLEEPNOW1 0xE6
#endif
#ifndef WIN_SLEEPNOW2
#define WIN_SLEEPNOW2 0x99
#endif
unsigned char args1[4] = {WIN_SLEEPNOW1,0,0,0};
unsigned char args2[4] = {WIN_SLEEPNOW2,0,0,0};
no_scsi();
if (get_sleepnow)
printf(" issuing sleep command\n");
if (ioctl(fd, HDIO_DRIVE_CMD, &args1)
&& ioctl(fd, HDIO_DRIVE_CMD, &args2))
bb_perror_msg(" HDIO_DRIVE_CMD(sleep) failed");
}
if (set_seagate) {
unsigned char args[4] = {0xfb,0,0,0};
no_scsi();
no_xt();
if (get_seagate)
printf(" disabling Seagate auto powersaving mode\n");
if (ioctl(fd, HDIO_DRIVE_CMD, &args))
bb_perror_msg(" HDIO_DRIVE_CMD(seagatepwrsave) failed");
}
if (set_standby) {
unsigned char args[4] = {WIN_SETIDLE1,standby_requested,0,0};
no_scsi();
no_xt();
if (get_standby) {
printf(" setting standby to %lu", standby_requested);
interpret_standby(standby_requested);
}
if (ioctl(fd, HDIO_DRIVE_CMD, &args))
bb_perror_msg(" HDIO_DRIVE_CMD(setidle1) failed");
}
#else /* HDIO_DRIVE_CMD */
if (force_operation) {
char buf[512];
flush_buffer_cache(fd);
if (-1 == read(fd, buf, sizeof(buf)))
bb_perror_msg(" access failed");
}
#endif /* HDIO_DRIVE_CMD */
if (!flagcount)
verbose = 1;
if ((verbose && !is_scsi_hd && !is_xt_hd) || get_mult || get_identity) {
no_scsi();
multcount = -1;
if (ioctl(fd, HDIO_GET_MULTCOUNT, &multcount)) {
if ((verbose && !is_xt_hd) || get_mult)
bb_perror_msg(" HDIO_GET_MULTCOUNT failed");
} else if (verbose | get_mult) {
printf(" multcount = %2ld", multcount);
on_off(multcount);
}
}
if ((verbose && !is_scsi_hd && !is_xt_hd) || get_io32bit) {
no_scsi();
no_xt();
if (ioctl(fd, HDIO_GET_32BIT, &parm))
bb_perror_msg(" HDIO_GET_32BIT failed");
else {
printf(" IO_support =%3ld (", parm);
switch (parm) {
case 0: printf("default ");
case 2: printf("16-bit)\n");
break;
case 1: printf("32-bit)\n");
break;
case 3: printf("32-bit w/sync)\n");
break;
case 8: printf("Request-Queue-Bypass)\n");
break;
default:printf("\?\?\?)\n");
}
}
}
if ((verbose && !is_scsi_hd && !is_xt_hd) || get_unmask) {
no_scsi();
no_xt();
if (ioctl(fd, HDIO_GET_UNMASKINTR, &parm))
bb_perror_msg(" HDIO_GET_UNMASKINTR failed");
else {
printf(" unmaskirq = %2ld", parm);
on_off(parm);
}
}
#ifdef CONFIG_FEATURE_HDPARM_HDIO_GET_DMA
if ((verbose && !is_scsi_hd) || get_dma) {
no_scsi();
if (ioctl(fd, HDIO_GET_DMA, &parm))
bb_perror_msg(" HDIO_GET_DMA failed");
else {
printf(" using_dma = %2ld", parm);
if (parm == 8)
printf(" (DMA-Assisted-PIO)\n");
else
on_off(parm);
}
}
#endif
if (get_dma_q) {
no_scsi();
if(ioctl(fd, HDIO_GET_QDMA, &parm)) {
bb_perror_msg(" HDIO_GET_QDMA failed");
} else {
printf(" queue_depth = %2ld", parm);
on_off(parm);
}
}
if ((verbose && !is_scsi_hd && !is_xt_hd) || get_keep) {
no_scsi();
no_xt();
if (ioctl(fd, HDIO_GET_KEEPSETTINGS, &parm))
bb_perror_msg(" HDIO_GET_KEEPSETTINGS failed");
else {
printf(" keepsettings = %2ld", parm);
on_off(parm);
}
}
if (get_nowerr) {
no_scsi();
no_xt();
if (ioctl(fd, HDIO_GET_NOWERR, &parm))
bb_perror_msg(" HDIO_GET_NOWERR failed");
else {
printf(" nowerr = %2ld", parm);
on_off(parm);
}
}
if (verbose || get_readonly) {
if (ioctl(fd, BLKROGET, &parm))
bb_perror_msg(" BLKROGET failed");
else {
printf(" readonly = %2ld", parm);
on_off(parm);
}
}
if ((verbose && !is_scsi_hd) || get_readahead) {
if (ioctl(fd, BLKRAGET, &parm))
bb_perror_msg(" BLKRAGET failed");
else {
printf(" readahead = %2ld", parm);
on_off(parm);
}
}
if (verbose || get_geom) {
static const char msg[] = " geometry = %u/%u/%u, sectors = %ld, start = %ld\n";
static struct hd_geometry g;
#ifdef HDIO_GETGEO_BIG
static struct hd_big_geometry bg;
#endif
if (ioctl(fd, BLKGETSIZE, &parm))
bb_perror_msg(" BLKGETSIZE failed");
#ifdef HDIO_GETGEO_BIG
else if (!ioctl(fd, HDIO_GETGEO_BIG, &bg))
printf(msg, bg.cylinders, bg.heads, bg.sectors, parm, bg.start);
#endif
else if (ioctl(fd, HDIO_GETGEO, &g))
bb_perror_msg(" HDIO_GETGEO failed");
else printf(msg, g.cylinders, g.heads, g.sectors, parm, g.start);
}
#ifdef HDIO_DRIVE_CMD
if (get_powermode) {
#ifndef WIN_CHECKPOWERMODE1
#define WIN_CHECKPOWERMODE1 0xE5
#endif
#ifndef WIN_CHECKPOWERMODE2
#define WIN_CHECKPOWERMODE2 0x98
#endif
unsigned char args[4] = {WIN_CHECKPOWERMODE1,0,0,0};
const char *state;
no_scsi();
if (ioctl(fd, HDIO_DRIVE_CMD, &args)
&& (args[0] = WIN_CHECKPOWERMODE2) /* try again with 0x98 */
&& ioctl(fd, HDIO_DRIVE_CMD, &args)) {
if (errno != EIO || args[0] != 0 || args[1] != 0)
state = "unknown";
else
state = "sleeping";
} else {
state = (args[2] == 255) ? "active/idle" : "standby";
}
printf(" drive state is: %s\n", state);
}
#endif
#ifdef CONFIG_FEATURE_HDPARM_HDIO_DRIVE_RESET
if (perform_reset) {
no_scsi();
no_xt();
if (ioctl(fd, HDIO_DRIVE_RESET, NULL))
bb_perror_msg(" HDIO_DRIVE_RESET failed");
}
#endif /* CONFIG_FEATURE_HDPARM_HDIO_DRIVE_RESET */
#ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
if (perform_tristate) {
unsigned char args[4] = {0,tristate,0,0};
no_scsi();
no_xt();
if (ioctl(fd, HDIO_TRISTATE_HWIF, &args))
bb_perror_msg(" HDIO_TRISTATE_HWIF failed");
}
#endif /* CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF */
#ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
if (get_identity) {
static struct hd_driveid id;
no_scsi();
no_xt();
if (!ioctl(fd, HDIO_GET_IDENTITY, &id)) {
if (multcount != -1) {
id.multsect = multcount;
id.multsect_valid |= 1;
} else
id.multsect_valid &= ~1;
dump_identity(&id);
} else if (errno == -ENOMSG)
printf(" no identification info available\n");
else
bb_perror_msg(" HDIO_GET_IDENTITY failed");
}
if (get_IDentity) {
unsigned char args[4+512] = {WIN_IDENTIFY,0,0,1,};
unsigned i;
no_scsi();
no_xt();
if (ioctl(fd, HDIO_DRIVE_CMD, &args)) {
args[0] = WIN_PIDENTIFY;
if (ioctl(fd, HDIO_DRIVE_CMD, &args)) {
bb_perror_msg(" HDIO_DRIVE_CMD(identify) failed");
goto identify_abort;
}
}
for(i=0; i<(sizeof args)/2; i+=2) {
__le16_to_cpus((uint16_t *)(&args[i]));
}
identify((void *)&args[4], NULL);
identify_abort: ;
}
#endif
#ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
if (set_busstate) {
no_scsi();
if (get_busstate) {
printf(" setting bus state to %d", busstate);
bus_state_value(busstate);
}
if (ioctl(fd, HDIO_SET_BUSSTATE, busstate))
bb_perror_msg(" HDIO_SET_BUSSTATE failed");
}
#endif
#ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
if (get_busstate) {
no_scsi();
if (ioctl(fd, HDIO_GET_BUSSTATE, &parm))
bb_perror_msg(" HDIO_GET_BUSSTATE failed");
else {
printf(" busstate = %2ld", parm);
bus_state_value(parm);
}
}
#endif
if (reread_partn) {
if (ioctl(fd, BLKRRPART, NULL)) {
bb_perror_msg(" BLKRRPART failed");
}
}
if (do_ctimings)
time_cache (fd);
if (do_timings)
time_device (fd);
if (do_flush)
flush_buffer_cache (fd);
close (fd);
}
#define GET_NUMBER(flag,num) num = 0; \
if (!*p && argc && isdigit(**argv)) \
p = *argv++, --argc; \
while (isdigit(*p)) { \
flag = 1; \
num = (num * 10) + (*p++ - '0'); \
}
#define GET_STRING(flag, num) tmpstr = name; \
tmpstr[0] = '\0'; \
if (!*p && argc && isalnum(**argv)) \
p = *argv++, --argc; \
while (isalnum(*p) && (tmpstr - name) < 31) { \
tmpstr[0] = *p++; \
tmpstr[1] = '\0'; \
++tmpstr; \
} \
num = translate_xfermode(name); \
if (num == -1) \
flag = 0; \
else \
flag = 1;
#ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
static int fromhex (unsigned char c)
{
if (c >= 'a' && c <= 'f')
return 10 + (c - 'a');
if (c >= '0' && c <= '9')
return (c - '0');
bb_error_msg_and_die("bad char: '%c' 0x%02x", c, c);
}
static int identify_from_stdin (void)
{
unsigned short sbuf[800];
unsigned char buf[1600], *b = (unsigned char *)buf;
int i, count = read(0, buf, 1280);
if (count != 1280)
bb_error_msg_and_die("read(1280 bytes) failed (rc=%d)", count);
for (i = 0; count >= 4; ++i) {
sbuf[i] = (fromhex(b[0]) << 12) | (fromhex(b[1]) << 8) | (fromhex(b[2]) << 4) | fromhex(b[3]);
__le16_to_cpus((uint16_t *)(&sbuf[i]));
b += 5;
count -= 5;
}
identify(sbuf, NULL);
return 0;
}
#endif
/* our main() routine: */
int hdparm_main(int argc, char **argv)
{
char c, *p;
char *tmpstr;
char name[32];
int neg;
++argv;
if (!--argc)
bb_show_usage();
while (argc--) {
#ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
if (!strcmp("-Istdin", *argv)) {
exit(identify_from_stdin());
}
#endif
p = *argv++;
if (*p == '-') {
if (!*++p)
bb_show_usage();
while ((c = *p++)) {
++flagcount;
switch (c) {
case 'V':
bb_error_msg_and_die("%s", VERSION);
case 'v':
verbose = 1;
break;
#ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
case 'I':
get_IDentity = 1;
break;
case 'i':
get_identity = 1;
break;
#endif
case 'g':
get_geom = 1;
break;
case 'f':
do_flush = 1;
break;
case 'q':
quiet = 1;
noisy = 0;
break;
case 'u':
get_unmask = noisy;
noisy = 1;
if (!*p && argc && isdigit(**argv))
p = *argv++, --argc;
if (*p == '0' || *p == '1') {
set_unmask = 1;
unmask = *p++ - '0';
}
break;
case 'd':
get_dma = noisy;
noisy = 1;
if (!*p && argc && isdigit(**argv))
p = *argv++, --argc;
if (*p >= '0' && *p <= '9') {
set_dma = 1;
dma = *p++ - '0';
}
break;
case 'n':
get_nowerr = noisy;
noisy = 1;
if (!*p && argc && isdigit(**argv))
p = *argv++, --argc;
if (*p == '0' || *p == '1') {
set_nowerr = 1;
nowerr = *p++ - '0';
}
break;
case 'p':
noisy_piomode = noisy;
noisy = 1;
GET_STRING(set_piomode,piomode);
break;
case 'r':
get_readonly = noisy;
noisy = 1;
if (!*p && argc && isdigit(**argv))
p = *argv++, --argc;
if (*p == '0' || *p == '1') {
set_readonly = 1;
readonly = *p++ - '0';
}
break;
case 'm':
get_mult = noisy;
noisy = 1;
GET_NUMBER(set_mult,mult);
break;
case 'c':
get_io32bit = noisy;
noisy = 1;
GET_NUMBER(set_io32bit,io32bit);
break;
#ifdef HDIO_DRIVE_CMD
case 'S':
get_standby = noisy;
noisy = 1;
GET_NUMBER(set_standby,standby_requested);
if (!set_standby)
bb_error_msg("-S: missing value");
break;
case 'D':
get_defects = noisy;
noisy = 1;
GET_NUMBER(set_defects,defects);
if (!set_defects)
bb_error_msg("-D: missing value");
break;
case 'P':
get_prefetch = noisy;
noisy = 1;
GET_NUMBER(set_prefetch,prefetch);
if (!set_prefetch)
bb_error_msg("-P: missing value");
break;
case 'X':
get_xfermode = noisy;
noisy = 1;
GET_STRING(set_xfermode,xfermode_requested);
if (!set_xfermode)
bb_error_msg("-X: missing value");
break;
case 'K':
get_dkeep = noisy;
noisy = 1;
if (!*p && argc && isdigit(**argv))
p = *argv++, --argc;
if (*p == '0' || *p == '1') {
set_dkeep = 1;
dkeep = *p++ - '0';
} else
bb_error_msg("-K: missing value (0/1)");
break;
case 'A':
get_lookahead = noisy;
noisy = 1;
if (!*p && argc && isdigit(**argv))
p = *argv++, --argc;
if (*p == '0' || *p == '1') {
set_lookahead = 1;
lookahead = *p++ - '0';
} else
bb_error_msg("-A: missing value (0/1)");
break;
case 'L':
get_doorlock = noisy;
noisy = 1;
if (!*p && argc && isdigit(**argv))
p = *argv++, --argc;
if (*p == '0' || *p == '1') {
set_doorlock = 1;
doorlock = *p++ - '0';
} else
bb_error_msg("-L: missing value (0/1)");
break;
case 'W':
get_wcache = noisy;
noisy = 1;
if (!*p && argc && isdigit(**argv))
p = *argv++, --argc;
if (*p == '0' || *p == '1') {
set_wcache = 1;
wcache = *p++ - '0';
} else
bb_error_msg("-W: missing value (0/1)");
break;
case 'C':
get_powermode = noisy;
noisy = 1;
break;
case 'y':
get_standbynow = noisy;
noisy = 1;
set_standbynow = 1;
break;
case 'Y':
get_sleepnow = noisy;
noisy = 1;
set_sleepnow = 1;
break;
case 'z':
reread_partn = 1;
break;
case 'Z':
get_seagate = noisy;
noisy = 1;
set_seagate = 1;
break;
#endif /* HDIO_DRIVE_CMD */
case 'k':
get_keep = noisy;
noisy = 1;
if (!*p && argc && isdigit(**argv))
p = *argv++, --argc;
if (*p == '0' || *p == '1') {
set_keep = 1;
keep = *p++ - '0';
}
break;
#ifdef CONFIG_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF
case 'U':
if (!*p && argc && isdigit(**argv))
p = *argv++, --argc;
if(! p) {
bb_error_msg_and_die("expected hwif_nr");
}
sscanf(p++, "%i", &hwif);
unregister_hwif = 1;
break;
#endif /* CONFIG_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF */
#ifdef CONFIG_FEATURE_HDPARM_HDIO_SCAN_HWIF
case 'R':
if (!*p && argc && isdigit(**argv))
p = *argv++, --argc;
if(! p) {
bb_error_msg_and_die("expected hwif_data");
}
sscanf(p++, "%i", &hwif_data);
if (argc && isdigit(**argv))
p = *argv++, --argc;
else {
bb_error_msg_and_die("expected hwif_ctrl");
}
sscanf(p, "%i", &hwif_ctrl);
if (argc && isdigit(**argv))
p = *argv++, --argc;
else {
bb_error_msg_and_die("expected hwif_irq");
}
sscanf(p, "%i", &hwif_irq);
*p = '\0';
scan_hwif = 1;
break;
#endif /* CONFIG_FEATURE_HDPARM_HDIO_SCAN_HWIF */
case 'Q':
get_dma_q = noisy;
noisy = 1;
neg = 0;
GET_NUMBER(set_dma_q, dma_q);
if (neg)
dma_q = -dma_q;
break;
#ifdef CONFIG_FEATURE_HDPARM_HDIO_DRIVE_RESET
case 'w':
perform_reset = 1;
break;
#endif /* CONFIG_FEATURE_HDPARM_HDIO_DRIVE_RESET */
#ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
case 'x':
if (!*p && argc && isdigit(**argv))
p = *argv++, --argc;
if (*p == '0' || *p == '1') {
perform_tristate = 1;
tristate = *p++ - '0';
} else
bb_error_msg("-x: missing value (0/1)");
break;
#endif /* CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF */
case 'a':
get_readahead = noisy;
noisy = 1;
GET_NUMBER(set_readahead,readahead);
break;
case 'B':
get_apmmode = noisy;
noisy = 1;
GET_NUMBER(set_apmmode,apmmode);
if (!set_apmmode)
printf("-B: missing value (1-255)");
break;
case 't':
do_timings = 1;
do_flush = 1;
break;
case 'T':
do_ctimings = 1;
do_flush = 1;
break;
#ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
case 'b':
get_busstate = noisy;
noisy = 1;
if (!*p && argc && isdigit(**argv))
p = *argv++, --argc;
switch (*p) {
case '0':
case '1':
case '2':
set_busstate = 1;
busstate = *p++ - '0';
break;
default:
break;
}
break;
#endif
case 'h':
default:
bb_show_usage();
}
}
if (!argc)
bb_show_usage();
} else {
process_dev (p);
}
}
return 0 ;
}
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