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hush/miscutils/hdparm.c

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/* vi: set sw=4 ts=4: */
/*
* hdparm implementation for busybox
*
*
* Copyright (C) [2003] by [Matteo Croce] <3297627799@wind.it>
*
* Hacked by Tito <farmatito@tiscali.it> for size optimization.
*
* 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 BB_BIG_ENDIAN && !defined(__USE_XOPEN)
# 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 * const 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 * const 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 configuration
* (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 * const 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 * const 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",
"Adv. 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 * const 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 */
#define VERSION "v5.4"
#define TIMING_MB 64
#define TIMING_BUF_MB 1
#define TIMING_BUF_BYTES (TIMING_BUF_MB * 1024 * 1024)
#define TIMING_BUF_COUNT (timing_MB / TIMING_BUF_MB)
#define BUFCACHE_FACTOR 2
#undef DO_FLUSHCACHE /* under construction: force cache flush on -W0 */
/* Busybox messages and functions */
static const char bb_msg_shared_mem[] = "could not %s sharedmem buf";
static const char bb_msg_op_not_supp[] = " operation not supported on %s disks";
static void bb_ioctl(int fd, int request, void *argp, const char *string)
{
if (ioctl (fd, request, argp) != 0)
bb_perror_msg(" %s", string);
}
static void if_printf(unsigned long i, char *fmt, ... )
{
va_list ap;
va_start(ap, fmt);
if (i)
vprintf(fmt, ap);
va_end(ap);
}
static void on_off (unsigned int value);
static void if_printf_on_off(unsigned long get_arg,const char *fmt, unsigned long arg)
{
if (get_arg)
{
printf(fmt, arg);
on_off(arg);
}
}
static void bb_ioctl_on_off(int fd, int request, void *argp, const char *string,
const char * fmt)
{
if (ioctl (fd, request, &argp) != 0)
bb_perror_msg(" %s", string);
else
{
printf(fmt, (unsigned long) argp);
on_off((unsigned long) argp);
}
}
#ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
static void if_else_printf(unsigned long i, char *fmt1, char *fmt2, ... )
{
va_list ap;
va_start(ap, fmt2);
if (i)
vprintf(fmt1, ap);
else
vprintf(fmt2, ap);
va_end(ap);
}
static void print_ascii(uint16_t *p, uint8_t length);
static void xprint_ascii(uint16_t *val ,int i, char * string, int n)
{
if(val[i])
{
printf("\t%-20s",string);
print_ascii(&val[i], n);
}
}
static void if_strcat(unsigned long test, char *modes, char *string)
{
if (test)
strcat(modes,string);
}
#endif
static void sync_and_sleep(int i)
{
sync();
sleep(i);
}
static uint16_t check_if_min_and_set_val(uint16_t a, uint16_t b)
{
if( a < b)
a = b;
return a;
}
static uint16_t check_if_maj_and_set_val(uint16_t a, uint16_t b)
{
if( a > b)
a = b;
return a;
}
static unsigned long int set_flag(char *p, char max)
{
if (*p >= '0' && *p <= max )
return 1;
return 0;
}
/* end of busybox specific stuff */
#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_printf((cl != '\0'),"%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;
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)+22);
sprintf(id_file, "/proc/ide/%s/identify", devname);
/* open the file, read in all the info and close it */
if (id_file == NULL)
fl = stdin;
else
fl = bb_xfopen(id_file, "r");
/* 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);
/*bb_fclose_nonstdin(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
/*"Unknown device type:\n\tbits 15&14 of general configuration word 0 both set to 1.\n"*/
bb_error_msg_and_die("Unknown device type");
if_printf(!(val[GEN_CONFIG] & MEDIA_REMOVABLE),"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_printf(((val[CONFIG]==STBY_NID_VAL) || (val[CONFIG]==STBY_ID_VAL)),
"powers-up in standby; SET FEATURES subcmd spins-up.\n");
if_printf((((val[CONFIG]==STBY_NID_VAL) || (val[CONFIG]==PWRD_NID_VAL)) && (val[GEN_CONFIG] & INCOMPLETE)),
"\n\tWARNING: ID response incomplete.\n\tFollowing data may be incorrect.\n\n");
}
/* output the model and serial numbers and the fw revision */
xprint_ascii(val, START_MODEL, "Model Number:", LENGTH_MODEL);
xprint_ascii(val, START_SERIAL, "Serial Number:", LENGTH_SERIAL);
xprint_ascii(val, START_FW_REV, "Firmware Revision:", LENGTH_FW_REV);
xprint_ascii(val, START_MEDIA, "Media Serial Num:", LENGTH_MEDIA);
xprint_ascii(val, START_MANUF, "Media Manufacturer:", 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))
{
like_std=check_if_min_and_set_val(like_std, 3);
std = actual_ver[val[MINOR]];
if_printf(std,"\n\tUsed: %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;
}
min_std=check_if_maj_and_set_val(min_std, ii);
}
jj <<= 1;
}
like_std=check_if_min_and_set_val(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.
*/
like_std=check_if_min_and_set_val(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_printf((jj & 0x0001),"-%u ", ii);
jj >>= 1;
}
}
if_else_printf((!kk),"\n\tLikely used CD-ROM ATAPI-1\n","\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_printf((jj & 0x0001),"\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\tcylinders\t%u\t%u\n\theads\t\t%u\t%u\n\tsectors/track\t%u\t%u\n\t--\n",
val[LCYLS],jj?val[LCYLS_CUR]:0, val[LHEADS],jj?val[LHEADS_CUR]:0, val[LSECTS],jj?val[LSECTS_CUR]:0);
if_printf(((min_std == 1) && (val[TRACK_BYTES] || val[SECT_BYTES])),
"\tbytes/track: %u\tbytes/sector: %u\n",val[TRACK_BYTES], 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_else_printf((bbbig > 1000),"(%llu GB)\n","\n",bbbig/1000);
}
/* hw support of commands (capabilities) */
printf("Capabilities:\n\t");
if(dev == ATAPI_DEV)
{
if(eqpt != CDROM)
if_printf((val[CAPAB_0] & CMD_Q_SUP),"Cmd queuing, ");
if_printf((val[CAPAB_0] & OVLP_SUP),"Cmd overlap, ");
}
if_printf((val[CAPAB_0] & LBA_SUP),"LBA, ");
if(like_std != 1)
{
printf("IORDY");
if_printf((!(val[CAPAB_0] & IORDY_SUP)),"(may be)");
if_else_printf((val[CAPAB_0] & IORDY_OFF),"(can","(cannot");
printf(" be disabled)\n");
}
else
printf("no IORDY\n");
if((like_std == 1) && val[BUF_TYPE])
{
kk = val[BUF_TYPE];
printf("\tBuffer type: %04x: ",kk);
if_else_printf((kk < 2),"single port, single-sector","dual port, multi-sector");
if_printf((kk > 2)," 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_printf(jj,"\n");
if(dev == ATA_DEV)
{
if(like_std == 1)
printf("\tCan%s perform double-word IO\n",(!val[DWORD_IO]) ?"not":"");
else
{
printf("\tStandby timer values: spec'd by ");
if_else_printf((val[CAPAB_0] & STD_STBY),"Standard","Vendor");
if((like_std > 3) && ((val[CAPAB_1] & VALID) == VALID_VAL))
printf(", %s device specific minimum\n",(val[CAPAB_1] & MIN_STANDBY_TIMER)?"with":"no");
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\tCurrent = ",val[SECTOR_XFER_MAX] & SECTOR_XFER);
if_else_printf((val[SECTOR_XFER_CUR] & MULTIPLE_SETTING_VALID),
"%u\n","?\n",val[SECTOR_XFER_CUR] & SECTOR_XFER);
}
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("\tAdvancedPM 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_printf(val[ACOUSTIC],"\tRecommended acoustic management value: %u, current value: %u\n",
(val[ACOUSTIC] >> 8) & 0x00ff, val[ACOUSTIC] & 0x00ff);
}
}
else
{
/* ATAPI */
if(eqpt != CDROM)
if_printf((val[CAPAB_0] & SWRST_REQ),"\tATA sw reset required\n");
if(val[PKT_REL] || val[SVC_NBSY])
{
printf("\tOverlap support:");
if_printf(val[PKT_REL]," %uus to release bus.",val[PKT_REL]);
if_printf(val[SVC_NBSY]," %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_printf((val[DMA_MODE] && !val[SINGLE_DMA] && !val[MULTI_DMA]),
" 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_printf((err_dma || !have_mode),"(?)");
printf("\n");
if_printf(((dev == ATAPI_DEV) && (eqpt != CDROM) && (val[CAPAB_0] & DMA_IL_SUP)),
"\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_printf(val[DMA_TIME_MIN]," min=%uns",val[DMA_TIME_MIN]);
if_printf(val[DMA_TIME_NORM]," 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_printf((jj & 0x0001),"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_printf(val[PIO_NO_FLOW]," no flow control=%uns", val[PIO_NO_FLOW]);
if_printf(val[PIO_FLOW]," 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_else_printf((kk & 0x8000),"\t *","\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_printf(((val[RM_STAT] & RM_STAT_BITS) == RM_STAT_SUP),
"\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_printf((val[PSWD_CODE] && (val[PSWD_CODE] != NOVAL_1)),
"\tMaster password revision code = %u\n",val[PSWD_CODE]);
jj = val[SECU_STATUS];
if(jj)
{
for(ii = 0; ii < NUM_SECU_STR; ii++)
{
if_else_printf((!(jj & 0x0001)),"\tnot\t%s\n", "\t\t%s\n", secu_str[ii]);
jj >>=1;
}
if(val[SECU_STATUS] & SECU_ENABLED)
{
printf("\tSecurity level ");
if_else_printf((val[SECU_STATUS] & SECU_LEVEL),"maximum\n","high\n");
}
}
jj = val[ERASE_TIME] & ERASE_BITS;
kk = val[ENH_ERASE_TIME] & ERASE_BITS;
if(jj || kk)
{
printf("\t");
if_printf(jj,"%umin for SECURITY ERASE UNIT. ", jj==ERASE_BITS ? 508 : jj<<1);
if_printf(kk,"%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_else_printf((val[HWRST_RSLT] & CBLID),"\tCBLID- above Vih\n","\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_else_printf((val[CFA_PWR_MODE] & PWR_MODE_OFF),"disabled","enabled");
if_printf((val[CFA_PWR_MODE] & PWR_MODE_REQ)," and required by some commands");
printf("\n");
if_printf((val[CFA_PWR_MODE] & MAX_AMPS),"\tMaximum current = %uma\n",val[CFA_PWR_MODE] & MAX_AMPS);
}
if((val[INTEGRITY] & SIG) == SIG_VAL)
{
printf("Checksum: ");
if_printf(chksum,"in");
printf("correct\n");
}
}
exit(0);
}
#endif
static int verbose, get_identity, get_geom, noisy = 1, quiet;
static int flagcount, do_flush, is_scsi_hd, is_xt_hd;
static int do_ctimings, do_timings;
static unsigned long set_readahead, get_readahead, Xreadahead;
static unsigned long set_readonly, get_readonly, readonly;
static unsigned long set_unmask, get_unmask, unmask;
static unsigned long set_mult, get_mult, mult;
#ifdef CONFIG_FEATURE_HDPARM_HDIO_GETSET_DMA
static unsigned long set_dma, get_dma, dma;
#endif
static unsigned long set_dma_q, get_dma_q, dma_q;
static unsigned long set_nowerr, get_nowerr, nowerr;
static unsigned long set_keep, get_keep, keep;
static unsigned long set_io32bit, get_io32bit, io32bit;
static unsigned long set_piomode, noisy_piomode;
static int piomode;
#ifdef HDIO_DRIVE_CMD
static unsigned long set_dkeep, get_dkeep, dkeep;
static unsigned long set_standby, get_standby, standby_requested;
static unsigned long set_xfermode, get_xfermode;
static int xfermode_requested;
static unsigned long set_lookahead, get_lookahead, lookahead;
static unsigned long set_prefetch, get_prefetch, prefetch;
static unsigned long set_defects, get_defects, defects;
static unsigned long set_wcache, get_wcache, wcache;
static unsigned long set_doorlock, get_doorlock, doorlock;
static unsigned long set_seagate, get_seagate;
static unsigned long set_standbynow, get_standbynow;
static unsigned long set_sleepnow, get_sleepnow;
static unsigned long get_powermode;
static unsigned long set_apmmode, get_apmmode, apmmode;
#endif
#ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
static int get_IDentity;
#endif
#ifdef CONFIG_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF
static int unregister_hwif;
static int hwif;
#endif
#ifdef CONFIG_FEATURE_HDPARM_HDIO_SCAN_HWIF
static int scan_hwif;
static int hwif_data;
static int hwif_ctrl;
static int hwif_irq;
#endif
#ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
static int set_busstate, get_busstate, busstate;
#endif
static int reread_partn;
#ifdef CONFIG_FEATURE_HDPARM_HDIO_DRIVE_RESET
static int perform_reset;
#endif /* CONFIG_FEATURE_HDPARM_HDIO_DRIVE_RESET */
#ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
static int perform_tristate, tristate;
#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 * const 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 * const BuffType[] = {"unknown", "1Sect", "DualPort", "DualPortCache"};
static void dump_identity (const struct hd_driveid *id)
{
int i;
char pmodes[64], dmodes[128], umodes[128];
const unsigned short int *id_regs= (const void*) id;
unsigned long capacity;
pmodes[0] = dmodes[0] = umodes[0] = '\0';
printf("\n Model=%.40s, FwRev=%.8s, SerialNo=%.20s\n Config={",
id->model, id->fw_rev, id->serial_no);
for (i=0; i<=15; i++)
if_printf((id->config & (1<<i)),"%s", cfg_str[i]);
printf(" }\n 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);
if (id->buf_type > 3)
printf("%s%u", " BuffType=", id->buf_type);
else
printf("%s%s", " BuffType=", BuffType[id->buf_type]);
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");
}
printf("\n");
if (id->tPIO <= 5)
{
strcat(pmodes, "pio0 ");
if_strcat((id->tPIO >= 1), pmodes, "pio1 ");
if_strcat((id->tPIO >= 2), pmodes, "pio2 ");
}
if_printf((!(id->field_valid&1))," (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, LBA=%s",id->cur_cyls, id->cur_heads,
id->cur_sectors, capacity ,
((id->capability&2)==0)?"no":"yes");
if_printf((id->capability&2),", LBAsects=%u", id->lba_capacity);
if (id->capability&1)
{
if (id->dma_1word | id->dma_mword)
{
if_strcat((id->dma_1word & 0x100), dmodes, "*");
if_strcat((id->dma_1word & 1), dmodes, "sdma0 ");
if_strcat((id->dma_1word & 0x200), dmodes, "*");
if_strcat((id->dma_1word & 2), dmodes, "sdma1 ");
if_strcat((id->dma_1word & 0x400), dmodes, "*");
if_strcat((id->dma_1word & 4), dmodes, "sdma2 ");
if_strcat((id->dma_1word & 0xf800), dmodes, "*");
if_strcat((id->dma_1word & 0xf8), dmodes, "sdma? ");
if_strcat((id->dma_mword & 0x100), dmodes, "*");
if_strcat((id->dma_mword & 1), dmodes, "mdma0 ");
if_strcat((id->dma_mword & 0x200), dmodes, "*");
if_strcat((id->dma_mword & 2), dmodes, "mdma1 ");
if_strcat((id->dma_mword & 0x400), dmodes, "*");
if_strcat((id->dma_mword & 4), dmodes, "mdma2 ");
if_strcat((id->dma_mword & 0xf800), dmodes, "*");
if_strcat((id->dma_mword & 0xf8), 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_strcat((id->eide_pio_modes & 1), pmodes, "pio3 ");
if_strcat((id->eide_pio_modes & 2), pmodes, "pio4 ");
if_strcat((id->eide_pio_modes &~3), pmodes, "pio? ");
}
if (id->field_valid&4)
{
if_strcat((id->dma_ultra & 0x100),umodes,"*");
if_strcat((id->dma_ultra & 0x001),umodes,"udma0 ");
if_strcat((id->dma_ultra & 0x200),umodes,"*");
if_strcat((id->dma_ultra & 0x002),umodes,"udma1 ");
if_strcat((id->dma_ultra & 0x400),umodes,"*");
if_strcat((id->dma_ultra & 0x004),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_strcat((id->dma_ultra & 0x0800),umodes,"*");
if_strcat((id->dma_ultra & 0x0008),umodes,"udma3 ");
if_strcat((id->dma_ultra & 0x1000),umodes,"*");
if_strcat((id->dma_ultra & 0x0010),umodes,"udma4 ");
if_strcat((id->dma_ultra & 0x2000),umodes,"*");
if_strcat((id->dma_ultra & 0x0020),umodes,"udma5 ");
if_strcat((id->dma_ultra & 0x4000),umodes,"*");
if_strcat((id->dma_ultra & 0x0040),umodes,"udma6 ");
if_strcat((id->dma_ultra & 0x8000),umodes,"*");
if_strcat((id->dma_ultra & 0x0080),umodes,"udma7 ");
}
}
}
if_printf(((id->capability&1) && (id->field_valid&2)),
", tDMA={min:%u,rec:%u}", id->eide_dma_min, id->eide_dma_time);
printf("\n PIO modes: %s", pmodes);
if_printf((*dmodes),"\n DMA modes: %s", dmodes);
if_printf((*umodes),"\n UDMA modes: %s", umodes);
printf("\n AdvancedPM=%s",((id_regs[83]&8)==0)?"no":"yes");
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_printf( (id_regs[82]&0x20)," 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_else_printf((id->minor_rev_num <= 31),"%s: ","unknown: ", minor_str[id->minor_rev_num]);
if (id->major_rev_num < 31)
{
for (i=0; i <= 15; i++)
if_printf((id->major_rev_num & (1<<i))," %u", i);
}
}
#endif /* __NEW_HD_DRIVE_ID */
printf("\n\n * signifies the current active mode\n\n");
}
#endif
static void flush_buffer_cache (int fd)
{
fsync (fd); /* flush buffers */
bb_ioctl(fd, BLKFLSBUF, NULL,"BLKFLSBUF" ) ;/* do it again, big time */
#ifdef HDIO_DRIVE_CMD
sleep(1);
if (ioctl(fd, HDIO_DRIVE_CMD, NULL) && errno != EINVAL) /* await completion */
bb_perror_msg("HDIO_DRIVE_CMD");
#endif
}
static int seek_to_zero (int fd)
{
if (lseek(fd, (off_t) 0, SEEK_SET))
return 1;
return 0;
}
static int read_big_block (int fd, char *buf)
{
const char *string;
int i, rc;
if ((rc = read(fd, buf, TIMING_BUF_BYTES)) != TIMING_BUF_BYTES)
{
switch(rc)
{
case -1:
string = "read()";
break;
case 0:
string = "read() hit EOF - device too small";
break;
default:
string = "read(%u) returned %u bytes";
}
bb_error_msg(string, TIMING_BUF_BYTES, rc);
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 double correction;
static void do_time (int flag, int fd)
/*
flag = 0 time_cache
flag = 1 time_device
*/
{
int i;
char *buf;
double elapsed;
struct itimerval e1, e2;
int shmid;
int timing_MB = TIMING_MB;
if ((shmid = shmget(IPC_PRIVATE, TIMING_BUF_BYTES, 0600)) == -1)
{
bb_error_msg (bb_msg_shared_mem,"allocate"); /*"could not allocate sharedmem buf"*/
return;
}
if (shmctl(shmid, SHM_LOCK, NULL) == -1)
{
bb_error_msg (bb_msg_shared_mem,"lock"); /*"could not lock sharedmem buf"*/
(void) shmctl(shmid, IPC_RMID, NULL);
return;
}
if ((buf = shmat(shmid, (char *) 0, 0)) == (char *) -1)
{
bb_error_msg (bb_msg_shared_mem,"attach"); /*"could not attach sharedmem buf"*/
(void) shmctl(shmid, IPC_RMID, NULL);
return;
}
if (shmctl(shmid, IPC_RMID, NULL) == -1)
bb_error_msg ("shmctl(,IPC_RMID,)");
/* Clear out the device request queues & give them time to complete */
sync_and_sleep(3);
if(flag == 0) /* Time cache */
{
/* Calculate a correction factor for the basic
* overhead of doing a read() from the buffer cache.
* To do this, we read the data once to "cache it" and
* to force full preallocation of our timing buffer,
* and then we re-read it 10 times while timing it.
*
* 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_and_sleep(1);
/* Time re-reading from the buffer-cache */
getitimer(ITIMER_REAL, &e1);
for (i = (BUFCACHE_FACTOR * TIMING_BUF_COUNT) ; i > 0; --i)
{
if (seek_to_zero (fd))
goto quit;
if (read_big_block (fd, buf))
goto quit;
}
getitimer(ITIMER_REAL, &e2);
correction = (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() from the correction factor */
getitimer(ITIMER_REAL, &e1);
for (i = (BUFCACHE_FACTOR * TIMING_BUF_COUNT) ; i > 0; --i)
{
if (seek_to_zero (fd))
goto quit;
}
getitimer(ITIMER_REAL, &e2);
correction -= (e1.it_value.tv_sec - e2.it_value.tv_sec)
+ ((e1.it_value.tv_usec - e2.it_value.tv_usec) / 1000000.0);
if ((BUFCACHE_FACTOR * timing_MB) >= correction) /* more than 1MB/s */
printf("%2d MB in %5.2f seconds =%6.2f MB/sec\n",
(BUFCACHE_FACTOR * timing_MB), correction,
(BUFCACHE_FACTOR * timing_MB) / correction);
else
printf("%2d MB in %5.2f seconds =%6.2f kB/sec\n",
(BUFCACHE_FACTOR * timing_MB), correction,
(BUFCACHE_FACTOR * timing_MB) / correction * 1024);
correction /= BUFCACHE_FACTOR;
flush_buffer_cache(fd);
sleep(1);
}
else /* Time device */
{
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 */
getitimer(ITIMER_REAL, &e1);
for (i = TIMING_BUF_COUNT; i > 0; --i)
{
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);
if (timing_MB >= elapsed) /* more than 1MB/s */
printf("%2d MB in %5.2f seconds =%6.2f MB/sec\n",timing_MB, elapsed, timing_MB / elapsed);
else
printf("%2d MB in %5.2f seconds =%6.2f kB/sec\n",timing_MB, elapsed, timing_MB / elapsed * 1024);
/*"Hmm.. suspicious results: probably not enough free memory for a proper test.");*/
if (elapsed <= (correction * 2))
bb_error_msg(bb_msg_memory_exhausted);
#if 0 /* the "estimate" is just plain wrong for many systems.. */
else if (correction != 0.0) {
printf(" Estimating raw driver speed: ");
elapsed -= correction;
if (timing_MB >= elapsed) /* more than 1MB/s */
printf("%2d MB in %5.2f seconds =%6.2f MB/sec\n",
timing_MB, elapsed, timing_MB / elapsed);
else
printf("%2d MB in %5.2f seconds =%6.2f kB/sec\n",
timing_MB, elapsed, timing_MB / elapsed * 1024);
}
#endif
}
quit:
if (-1 == shmdt(buf))
bb_error_msg (bb_msg_shared_mem,"detach"); /*"could not detach sharedmem buf"*/
}
static void no_scsi (void)
{
/*" operation not supported on SCSI disks"*/
if (is_scsi_hd)
bb_error_msg_and_die(bb_msg_op_not_supp,"SCSI");
}
static void no_xt (void)
{
if (is_xt_hd)
bb_error_msg_and_die(bb_msg_op_not_supp,"XT");
}
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_printf(mins,"%u minutes", mins);
if_printf((mins && secs)," + ");
if_printf(secs,"%u seconds", secs);
}
else if (standby <= 251)
{
unsigned int mins = (standby - 240) * 30;
unsigned int hrs = mins / 60;
mins %= 60;
if_printf(hrs,"%u hours", hrs);
if_printf((hrs && mins)," + ");
if_printf(mins,"%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",devname);
}
fd = bb_xopen (devname, O_RDONLY|O_NONBLOCK);
if_printf( (!quiet),"\n%s:\n", devname);
if (set_readahead)
{
if_printf(get_readahead," setting fs readahead to %ld\n", Xreadahead);
bb_ioctl(fd, BLKRASET,(int *)Xreadahead,"BLKRASET");
}
#ifdef CONFIG_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF
if (unregister_hwif)
{
no_scsi();
printf(" attempting to unregister hwif#%u\n", hwif);
bb_ioctl(fd, HDIO_UNREGISTER_HWIF,(int *)(unsigned long)hwif,"HDIO_UNREGISTER_HWIF");
}
#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;
bb_ioctl(fd, HDIO_SCAN_HWIF, args, "HDIO_SCAN_HWIF");
}
#endif
if (set_piomode)
{
no_scsi();
no_xt();
if (noisy_piomode)
{
printf(" attempting to ");
if (piomode == 255)
printf("auto-tune PIO mode\n");
else if (piomode < 100)
printf("set PIO mode to %d\n", piomode);
else if (piomode < 200)
printf("set MDMA mode to %d\n", (piomode-100));
else
printf("set UDMA mode to %d\n", (piomode-200));
}
bb_ioctl(fd, HDIO_SET_PIO_MODE, (int *)(unsigned long)piomode, "HDIO_SET_PIO_MODE");
}
if (set_io32bit)
{
no_scsi();
no_xt();
if_printf(get_io32bit," setting 32-bit IO_support flag to %ld\n", io32bit);
bb_ioctl(fd, HDIO_SET_32BIT, (int *)io32bit, "HDIO_SET_32BIT");
}
if (set_mult)
{
no_scsi();
no_xt();
if_printf(get_mult, " setting multcount to %ld\n", mult);
if(ioctl(fd, HDIO_SET_MULTCOUNT, mult))
bb_perror_msg("HDIO_SET_MULTCOUNT");
#ifndef HDIO_DRIVE_CMD
else
force_operation = 1;
#endif
}
if (set_readonly)
{
if_printf_on_off(get_readonly," setting readonly to %ld", readonly);
bb_ioctl(fd, BLKROSET, &readonly, "BLKROSET");
}
if (set_unmask)
{
no_scsi();
no_xt();
if_printf_on_off(get_unmask," setting unmaskirq to %ld", unmask);
bb_ioctl(fd, HDIO_SET_UNMASKINTR, (int *)unmask, "HDIO_SET_UNMASKINTR");
}
#ifdef CONFIG_FEATURE_HDPARM_HDIO_GETSET_DMA
if (set_dma)
{
no_scsi();
if_printf_on_off(get_dma," setting using_dma to %ld", dma);
bb_ioctl(fd, HDIO_SET_DMA, (int *)dma, "HDIO_SET_DMA");
}
#endif /* CONFIG_FEATURE_HDPARM_HDIO_GETSET_DMA */
if (set_dma_q)
{
no_scsi();
if_printf_on_off(get_dma_q," setting DMA queue_depth to %ld", dma_q);
bb_ioctl(fd, HDIO_SET_QDMA, (int *)dma_q, "HDIO_SET_QDMA");
}
if (set_nowerr)
{
no_scsi();
no_xt();
if_printf_on_off(get_nowerr," setting nowerr to %ld", nowerr);
bb_ioctl(fd, HDIO_SET_NOWERR, (int *)nowerr,"HDIO_SET_NOWERR");
}
if (set_keep)
{
no_scsi();
no_xt();
if_printf_on_off(get_keep," setting keep_settings to %ld", keep);
bb_ioctl(fd, HDIO_SET_KEEPSETTINGS, (int *)keep,"HDIO_SET_KEEPSETTINGS");
}
#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_printf_on_off(get_doorlock," setting drive doorlock to %ld", doorlock);
bb_ioctl(fd, HDIO_DRIVE_CMD, &args,"HDIO_DRIVE_CMD(doorlock)");
}
if (set_dkeep)
{
/* lock/unlock the drive's "feature" settings */
unsigned char args[4] = {WIN_SETFEATURES,0,0,0};
no_scsi();
no_xt();
if_printf_on_off(get_dkeep," setting drive keep features to %ld", dkeep);
args[2] = dkeep ? 0x66 : 0xcc;
bb_ioctl(fd, HDIO_DRIVE_CMD, &args,"HDIO_DRIVE_CMD(keepsettings)");
}
if (set_defects)
{
unsigned char args[4] = {WIN_SETFEATURES,0,0x04,0};
no_scsi();
args[2] = defects ? 0x04 : 0x84;
if_printf(get_defects," setting drive defect-mgmt to %ld\n", defects);
bb_ioctl(fd, HDIO_DRIVE_CMD, &args,"HDIO_DRIVE_CMD(defectmgmt)");
}
if (set_prefetch)
{
unsigned char args[4] = {WIN_SETFEATURES,0,0xab,0};
no_scsi();
no_xt();
args[1] = prefetch;
if_printf(get_prefetch," setting drive prefetch to %ld\n", prefetch);
bb_ioctl(fd, HDIO_DRIVE_CMD, &args, "HDIO_DRIVE_CMD(setprefetch)");
}
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);
}
bb_ioctl(fd, HDIO_DRIVE_CMD, &args,"HDIO_DRIVE_CMD(setxfermode)");
}
if (set_lookahead)
{
unsigned char args[4] = {WIN_SETFEATURES,0,0,0};
no_scsi();
no_xt();
args[2] = lookahead ? 0xaa : 0x55;
if_printf_on_off(get_lookahead," setting drive read-lookahead to %ld", lookahead);
bb_ioctl(fd, HDIO_DRIVE_CMD, &args, "HDIO_DRIVE_CMD(setreadahead)");
}
if (set_apmmode)
{
unsigned char args[4] = {WIN_SETFEATURES,0,0,0};
no_scsi();
apmmode=check_if_min_and_set_val(apmmode,1);
apmmode=check_if_maj_and_set_val(apmmode,255);
if_printf(get_apmmode," setting APM level to");
if (apmmode==255)
{
/* disable Advanced Power Management */
args[2] = 0x85; /* feature register */
if_printf(get_apmmode," disabled\n");
}
else
{
/* set Advanced Power Management mode */
args[2] = 0x05; /* feature register */
args[1] = apmmode; /* sector count register */
if_printf(get_apmmode," 0x%02lX (%ld)\n",apmmode,apmmode);
}
bb_ioctl(fd, HDIO_DRIVE_CMD, &args,"HDIO_DRIVE_CMD");
}
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_printf_on_off(get_wcache," setting drive write-caching to %ld", wcache);
#ifdef DO_FLUSHCACHE
if (!wcache && ioctl(fd, HDIO_DRIVE_CMD, &flushcache))
bb_perror_msg ("HDIO_DRIVE_CMD(flushcache)");
#endif /* DO_FLUSHCACHE */
bb_ioctl(fd, HDIO_DRIVE_CMD, &args, "HDIO_DRIVE_CMD(setcache)");
#ifdef DO_FLUSHCACHE
if (!wcache && ioctl(fd, HDIO_DRIVE_CMD, &flushcache))
bb_perror_msg ("HDIO_DRIVE_CMD(flushcache)");
#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_printf(get_standbynow," issuing standby command\n");
if (ioctl(fd, HDIO_DRIVE_CMD, &args1)
&& ioctl(fd, HDIO_DRIVE_CMD, &args2))
bb_perror_msg("HDIO_DRIVE_CMD(standby)");
}
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_printf(get_sleepnow," issuing sleep command\n");
if (ioctl(fd, HDIO_DRIVE_CMD, &args1)
&& ioctl(fd, HDIO_DRIVE_CMD, &args2))
bb_perror_msg("HDIO_DRIVE_CMD(sleep)");
}
if (set_seagate)
{
unsigned char args[4] = {0xfb,0,0,0};
no_scsi();
no_xt();
if_printf(get_seagate," disabling Seagate auto powersaving mode\n");
bb_ioctl(fd, HDIO_DRIVE_CMD, &args, "HDIO_DRIVE_CMD(seagatepwrsave)");
}
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);
}
bb_ioctl(fd, HDIO_DRIVE_CMD, &args, "HDIO_DRIVE_CMD(setidle1)");
}
#else /* HDIO_DRIVE_CMD */
if (force_operation)
{
char buf[512];
flush_buffer_cache(fd);
if (-1 == read(fd, buf, sizeof(buf)))
bb_error_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");
}
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");
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");
/*esac*/
}
}
}
if ((verbose && !is_scsi_hd && !is_xt_hd) || get_unmask)
{
no_scsi();
no_xt();
bb_ioctl_on_off(fd, HDIO_GET_UNMASKINTR,(unsigned long *)parm,
"HDIO_GET_UNMASKINTR"," unmaskirq = %2ld");
}
#ifdef CONFIG_FEATURE_HDPARM_HDIO_GETSET_DMA
if ((verbose && !is_scsi_hd) || get_dma) {
no_scsi();
if(ioctl(fd, HDIO_GET_DMA, &parm))
bb_perror_msg("HDIO_GET_DMA");
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();
bb_ioctl_on_off (fd, HDIO_GET_QDMA,(unsigned long *)parm,
"HDIO_GET_QDMA"," queue_depth = %2ld");
}
if ((verbose && !is_scsi_hd && !is_xt_hd) || get_keep)
{
no_scsi();
no_xt();
bb_ioctl_on_off (fd, HDIO_GET_KEEPSETTINGS,(unsigned long *)parm,
"HDIO_GET_KEEPSETTINGS"," keepsettings = %2ld");
}
if (get_nowerr)
{
no_scsi();
no_xt();
bb_ioctl_on_off (fd, HDIO_GET_NOWERR,(unsigned long *)&parm,
" HDIO_GET_NOWERR"," nowerr = %2ld");
}
if (verbose || get_readonly)
{
bb_ioctl_on_off(fd, BLKROGET,(unsigned long *)parm,
" BLKROGET"," readonly = %2ld");
}
if ((verbose && !is_scsi_hd) || get_readahead)
{
bb_ioctl_on_off (fd, BLKRAGET, (unsigned long *) parm,
" BLKRAGET"," readahead = %2ld");
}
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");
#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");
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();
bb_ioctl(fd, HDIO_DRIVE_RESET, NULL, "HDIO_DRIVE_RESET");
}
#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();
bb_ioctl(fd, HDIO_TRISTATE_HWIF, &args, "HDIO_TRISTATE_HWIF");
}
#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");
}
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)");
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:
/* VOID */;
}
#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);
}
bb_ioctl(fd, HDIO_SET_BUSSTATE, (int *)(unsigned long)busstate, "HDIO_SET_BUSSTATE");
}
#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");
else
{
printf(" busstate = %2ld", parm);
bus_state_value(parm);
}
}
#endif
if (reread_partn)
bb_ioctl(fd, BLKRRPART, NULL, "BLKRRPART");
if (do_ctimings)
do_time(0,fd); /*time cache */
if (do_timings)
do_time(1,fd); /*time device */
if (do_flush)
flush_buffer_cache (fd);
close (fd);
}
static char * GET_NUMBER(char *p, unsigned long *flag, unsigned long *num)
{
*num = 0;
while (isdigit(*p)) {
*flag = 1;
*num = (*num * 10) + (*p++ - '0');
}
return p;
}
static char * GET_STRING(char *p, unsigned long *flag, int *num)
{
char *tmpstr;
char name[32];
tmpstr = name;
tmpstr[0] = '\0';
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;
return p;
}
#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
static void missing_arg(int arg, char c, char* add)
{
if (!arg)
bb_error_msg("-%c: missing value %s", c, (add!=NULL)? add :"");
}
/* our main() routine: */
int hdparm_main(int argc, char **argv)
{
char c, *p;
++argv;
if (!--argc)
bb_show_usage();
while (argc--)
{
#ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
if (!strcmp("-Istdin", *argv))
{
return 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);*/
/* We have to return 0 here and not 1 */
printf("%s %s\n",bb_applet_name, VERSION);
return EXIT_SUCCESS;
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((set_unmask = set_flag(p,'1'))==1)
unmask = *p++ - '0';
break;
#ifdef CONFIG_FEATURE_HDPARM_HDIO_GETSET_DMA
case 'd':
get_dma = noisy;
noisy = 1;
if (!*p && argc && isdigit(**argv))
p = *argv++, --argc;
if((set_dma = set_flag(p,'9'))==1)
dma = *p++ - '0';
break;
#endif /* CONFIG_FEATURE_HDPARM_HDIO_GETSET_DMA */
case 'n':
get_nowerr = noisy;
noisy = 1;
if (!*p && argc && isdigit(**argv))
p = *argv++, --argc;
if((set_nowerr = set_flag(p,'1'))==1)
nowerr = *p++ - '0';
break;
case 'p':
noisy_piomode = noisy;
noisy = 1;
if (!*p && argc && isalnum(**argv))
p = *argv++, --argc;
p=GET_STRING(p,&set_piomode,&piomode);
break;
case 'r':
get_readonly = noisy;
noisy = 1;
if (!*p && argc && isdigit(**argv))
p = *argv++, --argc;
if((set_readonly = set_flag(p,'1'))==1)
readonly = *p++ - '0';
break;
case 'm':
get_mult = noisy;
noisy = 1;
if (!*p && argc && isalnum(**argv))
p = *argv++, --argc;
p=GET_NUMBER(p,&set_mult,&mult);
break;
case 'c':
get_io32bit = noisy;
noisy = 1;
if (!*p && argc && isalnum(**argv))
p = *argv++, --argc;
p=GET_NUMBER(p,&set_io32bit,&io32bit);
break;
#ifdef HDIO_DRIVE_CMD
case 'S':
get_standby = noisy;
noisy = 1;
if (!*p && argc && isalnum(**argv))
p = *argv++, --argc;
p=GET_NUMBER(p,&set_standby,&standby_requested);
missing_arg(set_standby, c, NULL);
break;
case 'D':
get_defects = noisy;
noisy = 1;
if (!*p && argc && isalnum(**argv))
p = *argv++, --argc;
p=GET_NUMBER(p,&set_defects,&defects);
missing_arg(set_defects, c, NULL);
break;
case 'P':
get_prefetch = noisy;
noisy = 1;
if (!*p && argc && isalnum(**argv))
p = *argv++, --argc;
p=GET_NUMBER(p,&set_prefetch,&prefetch);
missing_arg(set_prefetch, c, NULL);
break;
case 'X':
get_xfermode = noisy;
noisy = 1;
if (!*p && argc && isalnum(**argv))
p = *argv++, --argc;
p=GET_STRING(p,&set_xfermode,&xfermode_requested);
missing_arg(set_xfermode, c, NULL);
break;
case 'K':
get_dkeep = noisy;
noisy = 1;
if (!*p && argc && isdigit(**argv))
p = *argv++, --argc;
if((set_dkeep = set_flag(p,'1'))==1)
dkeep = *p++ - '0';
else
goto missing_arg_error;
break;
case 'A':
get_lookahead = noisy;
noisy = 1;
if (!*p && argc && isdigit(**argv))
p = *argv++, --argc;
if((set_lookahead = set_flag(p,'1'))==1)
lookahead = *p++ - '0';
else
goto missing_arg_error;
break;
case 'L':
get_doorlock = noisy;
noisy = 1;
if (!*p && argc && isdigit(**argv))
p = *argv++, --argc;
if((set_doorlock = set_flag(p,'1'))==1)
doorlock = *p++ - '0';
else
goto missing_arg_error;
break;
case 'W':
get_wcache = noisy;
noisy = 1;
if (!*p && argc && isdigit(**argv))
p = *argv++, --argc;
if((set_wcache = set_flag(p,'1'))==1)
wcache = *p++ - '0';
else
missing_arg_error:
missing_arg(1, c, "(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((set_keep = set_flag(p,'1'))==1)
keep = *p++ - '0';
break;
#ifdef CONFIG_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF
case 'U':
if (!*p && argc && isdigit(**argv))
p = *argv++, --argc;
if(! p)
goto expected_hwif_error; /* "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)
goto expected_hwif_error; /* "expected hwif_data" */
sscanf(p++, "%i", &hwif_data);
if (argc && isdigit(**argv))
p = *argv++, --argc;
else
goto expected_hwif_error; /* "expected hwif_ctrl" */
sscanf(p, "%i", &hwif_ctrl);
if (argc && isdigit(**argv))
p = *argv++, --argc;
else
expected_hwif_error:
bb_error_msg_and_die("expected hwif value"); /* "expected hwif_irq" */
sscanf(p, "%i", &hwif_irq);
*p = '\0';
scan_hwif = 1;
break;
#endif /* CONFIG_FEATURE_HDPARM_HDIO_SCAN_HWIF */
case 'Q':
#ifdef HDIO_GET_QDMA
get_dma_q = noisy;
noisy = 1;
#ifdef HDIO_SET_QDMA
if (!*p && argc && isalnum(**argv))
p = *argv++, --argc;
p=GET_NUMBER(p,&set_dma_q,&dma_q);
#ifdef HDIO_GET_QDMA
dma_q = -dma_q;
#endif
#endif
#endif
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((perform_tristate = set_flag(p,'1'))==1)
tristate = *p++ - '0';
else
missing_arg(1, c, "(0/1)");
break;
#endif /* CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF */
case 'a':
get_readahead = noisy;
noisy = 1;
if (!*p && argc && isalnum(**argv))
p = *argv++, --argc;
p=GET_NUMBER(p,&set_readahead,&Xreadahead);
break;
case 'B':
get_apmmode = noisy;
noisy = 1;
if (!*p && argc && isalnum(**argv))
p = *argv++, --argc;
p=GET_NUMBER(p,&set_apmmode,&apmmode);
missing_arg(set_apmmode, c, "(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;
if((set_busstate = set_flag(p,'2'))==1)
busstate = *p++ - '0';
break;
#endif
case 'h':
default:
bb_show_usage();
}
}
if (!argc)
bb_show_usage();
} else {
process_dev (p);
}
}
return 0 ;
}
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