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hush/miscutils/hdparm.c
Denis Vlasenko a0319ba936 hdparm: shrink rodata by ~250 bytes
2007-08-16 10:37:49 +00:00

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65 KiB
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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.
*
* Licensed under the GPL v2 or later, see the file LICENSE in this tarball.
*
* 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 "libbb.h"
#include <linux/hdreg.h>
/* 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
#if ENABLE_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 0x22
#if ENABLE_FEATURE_HDPARM_GET_IDENTITY
static const char *const minor_str[MINOR_MAX + 2] = {
/* word 81 value: */
"Unspecified", /* 0x0000 */
"ATA-1 X3T9.2 781D prior to rev.4", /* 0x0001 */
"ATA-1 published, ANSI X3.221-1994", /* 0x0002 */
"ATA-1 X3T9.2 781D rev.4", /* 0x0003 */
"ATA-2 published, ANSI X3.279-1996", /* 0x0004 */
"ATA-2 X3T10 948D prior to rev.2k", /* 0x0005 */
"ATA-3 X3T10 2008D rev.1", /* 0x0006 */
"ATA-2 X3T10 948D rev.2k", /* 0x0007 */
"ATA-3 X3T10 2008D rev.0", /* 0x0008 */
"ATA-2 X3T10 948D rev.3", /* 0x0009 */
"ATA-3 published, ANSI X3.298-199x", /* 0x000a */
"ATA-3 X3T10 2008D rev.6", /* 0x000b */
"ATA-3 X3T13 2008D rev.7 and 7a", /* 0x000c */
"ATA/ATAPI-4 X3T13 1153D rev.6", /* 0x000d */
"ATA/ATAPI-4 T13 1153D rev.13", /* 0x000e */
"ATA/ATAPI-4 X3T13 1153D rev.7", /* 0x000f */
"ATA/ATAPI-4 T13 1153D rev.18", /* 0x0010 */
"ATA/ATAPI-4 T13 1153D rev.15", /* 0x0011 */
"ATA/ATAPI-4 published, ANSI INCITS 317-1998", /* 0x0012 */
"ATA/ATAPI-5 T13 1321D rev.3", /* 0x0013 */
"ATA/ATAPI-4 T13 1153D rev.14", /* 0x0014 */
"ATA/ATAPI-5 T13 1321D rev.1", /* 0x0015 */
"ATA/ATAPI-5 published, ANSI INCITS 340-2000", /* 0x0016 */
"ATA/ATAPI-4 T13 1153D rev.17", /* 0x0017 */
"ATA/ATAPI-6 T13 1410D rev.0", /* 0x0018 */
"ATA/ATAPI-6 T13 1410D rev.3a", /* 0x0019 */
"ATA/ATAPI-7 T13 1532D rev.1", /* 0x001a */
"ATA/ATAPI-6 T13 1410D rev.2", /* 0x001b */
"ATA/ATAPI-6 T13 1410D rev.1", /* 0x001c */
"ATA/ATAPI-7 published, ANSI INCITS 397-2005", /* 0x001d */
"ATA/ATAPI-7 T13 1532D rev.0", /* 0x001e */
"Reserved" /* 0x001f */
"Reserved" /* 0x0020 */
"ATA/ATAPI-7 T13 1532D rev.4a", /* 0x0021 */
"ATA/ATAPI-6 published, ANSI INCITS 361-2002", /* 0x0022 */
"Reserved" /* 0x0023-0xfffe */
};
#endif
static const char actual_ver[MINOR_MAX + 2] ALIGN1 = {
/* word 81 value: */
0, /* 0x0000 WARNING: actual_ver[] array */
1, /* 0x0001 WARNING: corresponds */
1, /* 0x0002 WARNING: *exactly* */
1, /* 0x0003 WARNING: to the ATA/ */
2, /* 0x0004 WARNING: ATAPI version */
2, /* 0x0005 WARNING: listed in */
3, /* 0x0006 WARNING: the */
2, /* 0x0007 WARNING: minor_str */
3, /* 0x0008 WARNING: array */
2, /* 0x0009 WARNING: above. */
3, /* 0x000a WARNING: */
3, /* 0x000b WARNING: If you change */
3, /* 0x000c WARNING: that one, */
4, /* 0x000d WARNING: change this one */
4, /* 0x000e WARNING: too!!! */
4, /* 0x000f */
4, /* 0x0010 */
4, /* 0x0011 */
4, /* 0x0012 */
5, /* 0x0013 */
4, /* 0x0014 */
5, /* 0x0015 */
5, /* 0x0016 */
4, /* 0x0017 */
6, /* 0x0018 */
6, /* 0x0019 */
7, /* 0x001a */
6, /* 0x001b */
6, /* 0x001c */
7, /* 0x001d */
7, /* 0x001e */
0, /* 0x001f */
0, /* 0x0020 */
7, /* 0x0021 */
6, /* 0x0022 */
0 /* 0x0023-0xfffe */
};
/* 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
#if ENABLE_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 cmd", /* word 83 bit 13 */
"Mandatory FLUSH CACHE cmd ", /* 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 */
};
static void identify(uint16_t *id_supplied) ATTRIBUTE_NORETURN;
static void identify_from_stdin(void) ATTRIBUTE_NORETURN;
#else
void identify_from_stdin(void);
#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
#if ENABLE_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 TIMING_MB 64
#define TIMING_BUF_MB 1
#define TIMING_BUF_BYTES (TIMING_BUF_MB * 1024 * 1024)
#define BUFCACHE_FACTOR 2
#undef DO_FLUSHCACHE /* under construction: force cache flush on -W0 */
/* Busybox messages and functions */
#if ENABLE_IOCTL_HEX2STR_ERROR
static int ioctl_alt_func(int fd, int cmd, unsigned char *args, int alt, const char *string)
{
if (!ioctl(fd, cmd, args))
return 0;
args[0] = alt;
return bb_ioctl_or_warn(fd, cmd, args, string);
}
#define ioctl_alt_or_warn(fd,cmd,args,alt) ioctl_alt_func(fd,cmd,args,alt,#cmd)
#else
static int ioctl_alt_func(int fd, int cmd, unsigned char *args, int alt)
{
if (!ioctl(fd, cmd, args))
return 0;
args[0] = alt;
return bb_ioctl_or_warn(fd, cmd, args);
}
#define ioctl_alt_or_warn(fd,cmd,args,alt) ioctl_alt_func(fd,cmd,args,alt)
#endif
static void on_off(int value)
{
puts(value ? " (on)" : " (off)");
}
static void print_flag_on_off(int get_arg, const char *s, unsigned long arg)
{
if (get_arg) {
printf(" setting %s to %ld", s, arg);
on_off(arg);
}
}
static void print_value_on_off(const char *str, unsigned long argp)
{
printf(" %s\t= %2ld", str, argp);
on_off(argp != 0);
}
#if ENABLE_FEATURE_HDPARM_GET_IDENTITY
static void print_ascii(uint16_t *p, uint8_t length);
static void xprint_ascii(uint16_t *val, int i, const char *string, int n)
{
if (val[i]) {
printf("\t%-20s", string);
print_ascii(&val[i], n);
}
}
#endif
/* end of busybox specific stuff */
#if ENABLE_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)((*p)>>8) != ' ')
break;
cl = (char)(*p);
if (cl != ' ') {
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)((*p)>>8), (char)(*p));
p++;
}
puts("");
}
// Parse 512 byte disk identification block and print much crap.
static void identify(uint16_t *id_supplied)
{
uint16_t buf[256];
uint16_t *val, 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;
uint64_t bbbig; /* (:) */
const char *strng;
// Adjust for endianness if necessary.
if (BB_BIG_ENDIAN) {
swab(id_supplied, buf, sizeof(buf));
val = buf;
} else
val = id_supplied;
chksum &= 0xff;
/* check if we recognise the device type */
puts("");
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");
printf("%sremovable media\n", !(val[GEN_CONFIG] & MEDIA_REMOVABLE) ? "non-" : "");
/* 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\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)) {
if (like_std < 3) like_std = 3;
std = actual_ver[val[MINOR]];
if (std) printf("\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;
}
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
puts("");
} 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;
}
}
printf("%s\n", kk ? "" : "\n\tLikely used CD-ROM ATAPI-1");
/* 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) {
if ((val[GEN_CONFIG] & DRQ_RESPONSE_TIME) == DRQ_3MS_VAL)
strng = "3ms";
else if ((val[GEN_CONFIG] & DRQ_RESPONSE_TIME) == DRQ_INTR_VAL)
strng = "<=10ms with INTRQ";
else if ((val[GEN_CONFIG] & DRQ_RESPONSE_TIME) == DRQ_50US_VAL)
strng ="50us";
else
strng = "Unknown";
printf("\tDRQ response: %s\n\tPacket size: ", strng); /* Data Request (DRQ) */
if ((val[GEN_CONFIG] & PKT_SIZE_SUPPORTED) == PKT_SIZE_12_VAL)
strng = "12 bytes";
else if ((val[GEN_CONFIG] & PKT_SIZE_SUPPORTED) == PKT_SIZE_16_VAL)
strng = "16 bytes";
else
strng = "Unknown";
puts(strng);
} 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 ((min_std == 1) && (val[TRACK_BYTES] || val[SECT_BYTES]))
printf("\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 = (uint64_t)val[LBA_64_MSB] << 48 |
(uint64_t)val[LBA_48_MSB] << 32 |
(uint64_t)val[LBA_MID] << 16 |
val[LBA_LSB];
printf("\tLBA48 user addressable sectors:%11"PRIu64"\n", bbbig);
}
if (!bbbig)
bbbig = (uint64_t)(ll>mm ? ll : mm); /* # 512 byte blocks */
printf("\tdevice size with M = 1024*1024: %11"PRIu64" MBytes\n", bbbig>>11);
bbbig = (bbbig << 9) / 1000000;
printf("\tdevice size with M = 1000*1000: %11"PRIu64" MBytes ", bbbig);
if (bbbig > 1000)
printf("(%"PRIu64" GB)\n", bbbig/1000);
else
puts("");
}
/* hw support of commands (capabilities) */
printf("Capabilities:\n\t");
if (dev == ATAPI_DEV) {
if (eqpt != CDROM && (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%s(can%s be disabled)\n",
!(val[CAPAB_0] & IORDY_SUP) ? "(may be)" : "",
(val[CAPAB_0] & IORDY_OFF) ? "" :"not");
} else
printf("no IORDY\n");
if ((like_std == 1) && val[BUF_TYPE]) {
printf("\tBuffer type: %04x: %s%s\n", val[BUF_TYPE],
(val[BUF_TYPE] < 2) ? "single port, single-sector" : "dual port, multi-sector",
(val[BUF_TYPE] > 2) ? " with read caching ability" : "");
}
if ((min_std == 1) && (val[BUFFER__SIZE] && (val[BUFFER__SIZE] != NOVAL_1))) {
printf("\tBuffer size: %.1fkB\n", (float)val[BUFFER__SIZE]/2);
}
if ((min_std < 4) && (val[RW_LONG])) {
printf("\tbytes avail on r/w long: %u\n", val[RW_LONG]);
}
if ((eqpt != CDROM) && (like_std > 3)) {
printf("\tQueue depth: %u\n", (val[QUEUE_DEPTH] & DEPTH_BITS) + 1);
}
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 %s", (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
puts("");
}
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 (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("\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 && val[ACOUSTIC]) {
printf("\tRecommended acoustic management value: %u, current value: %u\n",
(val[ACOUSTIC] >> 8) & 0x00ff, val[ACOUSTIC] & 0x00ff);
}
} else {
/* ATAPI */
if (eqpt != CDROM && (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]);
puts("");
}
}
/* 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("(?)");
puts("");
if ((dev == ATAPI_DEV) && (eqpt != CDROM) && (val[CAPAB_0] & DMA_IL_SUP))
printf("\t\tInterleaved DMA support\n");
if ((val[WHATS_VALID] & OK_W64_70)
&& (val[DMA_TIME_MIN] || val[DMA_TIME_NORM])
) {
printf("\t\tCycle 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]);
puts("");
}
}
/* 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;
}
puts("");
} else if (((min_std < 5) || (eqpt == CDROM)) && (val[PIO_MODE] & MODE)) {
for (ii = 0; ii <= val[PIO_MODE]>>8; ii++)
printf("pio%d ", ii);
puts("");
} else
printf("unknown\n");
if (val[WHATS_VALID] & OK_W64_70) {
if (val[PIO_NO_FLOW] || val[PIO_FLOW]) {
printf("\t\tCycle 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]);
puts("");
}
}
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')) {
printf("\t%s\t%s\n", (kk & 0x8000) ? " *" : "", 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;
}
}
}
/* Removable Media Status Notification feature set */
if ((val[RM_STAT] & RM_STAT_BITS) == RM_STAT_SUP)
printf("\t%s supported\n", cmd_feat_str[27]);
/* 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++) {
printf("\t%s\t%s\n", (!(jj & 0x0001)) ? "not" : "", secu_str[ii]);
jj >>=1;
}
if (val[SECU_STATUS] & SECU_ENABLED) {
printf("\tSecurity level %s\n", (val[SECU_STATUS] & SECU_LEVEL) ? "maximum" : "high");
}
}
jj = val[ERASE_TIME] & ERASE_BITS;
kk = val[ENH_ERASE_TIME] & ERASE_BITS;
if (jj || kk) {
printf("\t");
if (jj) printf("%umin for %sSECURITY ERASE UNIT. ", jj==ERASE_BITS ? 508 : jj<<1, "");
if (kk) printf("%umin for %sSECURITY ERASE UNIT. ", kk==ERASE_BITS ? 508 : kk<<1, "ENHANCED ");
puts("");
}
}
/* reset result */
jj = val[HWRST_RSLT];
if ((jj & VALID) == VALID_VAL) {
if (!(oo = (jj & RST0)))
jj >>= 8;
if ((jj & DEV_DET) == JUMPER_VAL)
strng = " determined by the jumper";
else if ((jj & DEV_DET) == CSEL_VAL)
strng = " determined by CSEL";
else
strng = "";
printf("HW reset results:\n\tCBLID- %s Vih\n\tDevice num = %i%s\n",
(val[HWRST_RSLT] & CBLID) ? "above" : "below", !(oo), strng);
}
/* 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%s%s\n", (val[CFA_PWR_MODE] & PWR_MODE_OFF) ? "disabled" : "enabled",
(val[CFA_PWR_MODE] & PWR_MODE_REQ) ? " and required by some commands" : "");
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: %scorrect\n", chksum ? "in" : "");
}
}
exit(EXIT_SUCCESS);
}
#endif
static smallint get_identity, get_geom;
static smallint do_flush;
static smallint do_ctimings, do_timings;
static smallint reread_partn;
static smallint set_piomode, noisy_piomode;
static smallint set_readahead, get_readahead;
static smallint set_readonly, get_readonly;
static smallint set_unmask, get_unmask;
static smallint set_mult, get_mult;
static smallint set_dma_q, get_dma_q;
static smallint set_nowerr, get_nowerr;
static smallint set_keep, get_keep;
static smallint set_io32bit, get_io32bit;
static int piomode;
static unsigned long Xreadahead;
static unsigned long readonly;
static unsigned long unmask;
static unsigned long mult;
static unsigned long dma_q;
static unsigned long nowerr;
static unsigned long keep;
static unsigned long io32bit;
#if ENABLE_FEATURE_HDPARM_HDIO_GETSET_DMA
static unsigned long dma;
static smallint set_dma, get_dma;
#endif
#ifdef HDIO_DRIVE_CMD
static smallint set_xfermode, get_xfermode;
static smallint set_dkeep, get_dkeep;
static smallint set_standby, get_standby;
static smallint set_lookahead, get_lookahead;
static smallint set_prefetch, get_prefetch;
static smallint set_defects, get_defects;
static smallint set_wcache, get_wcache;
static smallint set_doorlock, get_doorlock;
static smallint set_seagate, get_seagate;
static smallint set_standbynow, get_standbynow;
static smallint set_sleepnow, get_sleepnow;
static smallint get_powermode;
static smallint set_apmmode, get_apmmode;
static int xfermode_requested;
static unsigned long dkeep;
static unsigned long standby_requested;
static unsigned long lookahead;
static unsigned long prefetch;
static unsigned long defects;
static unsigned long wcache;
static unsigned long doorlock;
static unsigned long apmmode;
#endif
USE_FEATURE_HDPARM_GET_IDENTITY( static smallint get_IDentity;)
USE_FEATURE_HDPARM_HDIO_TRISTATE_HWIF( static smallint set_busstate, get_busstate;)
USE_FEATURE_HDPARM_HDIO_DRIVE_RESET( static smallint perform_reset;)
USE_FEATURE_HDPARM_HDIO_TRISTATE_HWIF( static smallint perform_tristate;)
USE_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF(static smallint unregister_hwif;)
USE_FEATURE_HDPARM_HDIO_SCAN_HWIF( static smallint scan_hwif;)
USE_FEATURE_HDPARM_HDIO_TRISTATE_HWIF( static unsigned long busstate;)
USE_FEATURE_HDPARM_HDIO_TRISTATE_HWIF( static unsigned long tristate;)
USE_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF(static unsigned long hwif;)
#if ENABLE_FEATURE_HDPARM_HDIO_SCAN_HWIF
static unsigned long hwif_data;
static unsigned long hwif_ctrl;
static unsigned long hwif_irq;
#endif
// 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.
#if ENABLE_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;
const unsigned short int *id_regs = (const void*) id;
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 (id->config & (1<<i))
printf(" %s", cfg_str[i]);
}
printf(" }\n RawCHS=%u/%u/%u, TrkSize=%u, SectSize=%u, ECCbytes=%u\n"
" BuffType=(%u) %s, BuffSize=%ukB, MaxMultSect=%u",
id->cyls, id->heads, id->sectors, id->track_bytes,
id->sector_bytes, id->ecc_bytes,
id->buf_type, BuffType[(id->buf_type > 3) ? 0 : id->buf_type],
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");
}
puts("");
if (!(id->field_valid & 1))
printf(" (maybe):");
printf(" CurCHS=%u/%u/%u, CurSects=%lu, LBA=%s", id->cur_cyls, id->cur_heads,
id->cur_sectors,
(BB_BIG_ENDIAN) ?
(unsigned long)(id->cur_capacity0 << 16) | id->cur_capacity1 :
(unsigned long)(id->cur_capacity1 << 16) | id->cur_capacity0,
((id->capability&2) == 0) ? "no" : "yes");
if (id->capability & 2)
printf(", LBAsects=%u", id->lba_capacity);
printf("\n IORDY=%s", (id->capability & 8) ? (id->capability & 4) ? "on/off" : "yes" : "no");
if (((id->capability & 8) || (id->field_valid & 2)) && (id->field_valid & 2))
printf(", tPIO={min:%u,w/IORDY:%u}", id->eide_pio, id->eide_pio_iordy);
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: ");
if (id->tPIO <= 5) {
printf("pio0 ");
if (id->tPIO >= 1) printf("pio1 ");
if (id->tPIO >= 2) printf("pio2 ");
}
if (id->field_valid & 2) {
if (id->eide_pio_modes & 1) printf("pio3 ");
if (id->eide_pio_modes & 2) printf("pio4 ");
if (id->eide_pio_modes &~3) printf("pio? ");
}
if (id->capability & 1) {
if (id->dma_1word | id->dma_mword) {
printf("\n DMA modes: ");
if (id->dma_1word & 0x100) printf("*");
if (id->dma_1word & 1) printf("sdma0 ");
if (id->dma_1word & 0x200) printf("*");
if (id->dma_1word & 2) printf("sdma1 ");
if (id->dma_1word & 0x400) printf("*");
if (id->dma_1word & 4) printf("sdma2 ");
if (id->dma_1word & 0xf800) printf("*");
if (id->dma_1word & 0xf8) printf("sdma? ");
if (id->dma_mword & 0x100) printf("*");
if (id->dma_mword & 1) printf("mdma0 ");
if (id->dma_mword & 0x200) printf("*");
if (id->dma_mword & 2) printf("mdma1 ");
if (id->dma_mword & 0x400) printf("*");
if (id->dma_mword & 4) printf("mdma2 ");
if (id->dma_mword & 0xf800) printf("*");
if (id->dma_mword & 0xf8) printf("mdma? ");
}
}
if (((id->capability & 8) || (id->field_valid & 2)) && id->field_valid & 4) {
printf("\n UDMA modes: ");
if (id->dma_ultra & 0x100) printf("*");
if (id->dma_ultra & 0x001) printf("udma0 ");
if (id->dma_ultra & 0x200) printf("*");
if (id->dma_ultra & 0x002) printf("udma1 ");
if (id->dma_ultra & 0x400) printf("*");
if (id->dma_ultra & 0x004) printf("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) printf("*");
if (id->dma_ultra & 0x0008) printf("udma3 ");
if (id->dma_ultra & 0x1000) printf("*");
if (id->dma_ultra & 0x0010) printf("udma4 ");
if (id->dma_ultra & 0x2000) printf("*");
if (id->dma_ultra & 0x0020) printf("udma5 ");
if (id->dma_ultra & 0x4000) printf("*");
if (id->dma_ultra & 0x0040) printf("udma6 ");
if (id->dma_ultra & 0x8000) printf("*");
if (id->dma_ultra & 0x0080) printf("udma7 ");
}
}
printf("\n AdvancedPM=%s", (!(id_regs[83] & 8)) ? "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 (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: %s: ", (id->minor_rev_num <= 31) ? minor_str[id->minor_rev_num] : "Unknown");
if (id->major_rev_num != 0x0000 && /* NOVAL_0 */
id->major_rev_num != 0xFFFF) { /* NOVAL_1 */
for (i = 0; i <= 15; i++) {
if (id->major_rev_num & (1<<i))
printf(" ATA/ATAPI-%u", i);
}
}
}
#endif /* __NEW_HD_DRIVE_ID */
printf("\n\n * current active mode\n\n");
}
#endif
static void flush_buffer_cache(int fd)
{
fsync(fd); /* flush buffers */
ioctl_or_warn(fd, BLKFLSBUF, NULL); /* do it again, big time */
#ifdef HDIO_DRIVE_CMD
sleep(1);
if (ioctl(fd, HDIO_DRIVE_CMD, NULL) && errno != EINVAL) { /* await completion */
if (ENABLE_IOCTL_HEX2STR_ERROR) /* To be coherent with ioctl_or_warn */
bb_perror_msg("HDIO_DRIVE_CMD");
else
bb_perror_msg("ioctl %#x failed", 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)
{
int i;
i = read(fd, buf, TIMING_BUF_BYTES);
if (i != TIMING_BUF_BYTES) {
bb_error_msg("read(%d bytes) failed (rc=%d)", TIMING_BUF_BYTES, i);
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 int do_blkgetsize(int fd, unsigned long long *blksize64)
{
int rc;
unsigned blksize32 = 0;
if (0 == ioctl(fd, BLKGETSIZE64, blksize64)) { // returns bytes
*blksize64 /= 512;
return 0;
}
rc = ioctl_or_warn(fd, BLKGETSIZE, &blksize32); // returns sectors
*blksize64 = blksize32;
return rc;
}
static void print_timing(unsigned t, double e)
{
if (t >= e) /* more than 1MB/s */
printf("%4d MB in %.2f seconds = %.2f %cB/sec\n", t, e, t / e, 'M');
else
printf("%4d MB in %.2f seconds = %.2f %cB/sec\n", t, e, t / e * 1024, 'k');
}
static void do_time(int flag, int fd)
/* flag = 0 time_cache, 1 time_device */
{
static const struct itimerval thousand = {{1000, 0}, {1000, 0}};
struct itimerval itv;
unsigned elapsed, elapsed2;
unsigned max_iterations, total_MB, iterations;
unsigned long long blksize;
RESERVE_CONFIG_BUFFER(buf, TIMING_BUF_BYTES);
if (mlock(buf, TIMING_BUF_BYTES)) {
bb_perror_msg("mlock");
goto quit2;
}
max_iterations = 1024;
if (0 == do_blkgetsize(fd, &blksize)) {
max_iterations = blksize / (2 * 1024) / TIMING_BUF_MB;
}
/* Clear out the device request queues & give them time to complete */
sync();
sleep(2);
if (flag == 0) { /* Time cache */
if (seek_to_zero(fd))
goto quit;
if (read_big_block(fd, buf))
goto quit;
printf(" Timing buffer-cache reads: ");
} else { /* Time device */
printf(" Timing buffered disk reads: ");
}
fflush(stdout);
iterations = 0;
/*
* getitimer() is used rather than gettimeofday() because
* it is much more consistent (on my machine, at least).
*/
setitimer(ITIMER_REAL, &thousand, NULL);
/* Now do the timing */
do {
++iterations;
if ((flag == 0) && seek_to_zero(fd))
goto quit;
if (read_big_block(fd, buf))
goto quit;
getitimer(ITIMER_REAL, &itv);
elapsed = (1000 - itv.it_value.tv_sec) * 1000000
- itv.it_value.tv_usec;
} while (elapsed < 3000000 && iterations < max_iterations);
total_MB = iterations * TIMING_BUF_MB;
if (flag == 0) {
/* Now remove the lseek() and getitimer() overheads from the elapsed time */
setitimer(ITIMER_REAL, &thousand, NULL);
do {
if (seek_to_zero(fd))
goto quit;
getitimer(ITIMER_REAL, &itv);
elapsed2 = (1000 - itv.it_value.tv_sec) * 1000000
- itv.it_value.tv_usec;
} while (--iterations);
elapsed -= elapsed2;
total_MB *= BUFCACHE_FACTOR;
flush_buffer_cache(fd);
}
print_timing(total_MB, elapsed / 1000000.0);
quit:
munlock(buf, TIMING_BUF_BYTES);
quit2:
RELEASE_CONFIG_BUFFER(buf);
}
#if ENABLE_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
static void bus_state_value(unsigned value)
{
if (value == BUSSTATE_ON)
on_off(1);
else if (value == BUSSTATE_OFF)
on_off(0);
else if (value == BUSSTATE_TRISTATE)
printf(" (tristate)\n");
else
printf(" (unknown: %d)\n", value);
}
#endif
#ifdef HDIO_DRIVE_CMD
static void interpret_standby(unsigned standby)
{
unsigned t;
printf(" (");
if (standby == 0)
printf("off");
else if (standby == 252)
printf("21 minutes");
else if (standby == 253)
printf("vendor-specific");
else if (standby == 254)
printf("Reserved");
else if (standby == 255)
printf("21 minutes + 15 seconds");
else if (standby <= 240) {
t = standby * 5;
printf("%u minutes + %u seconds", t / 60, t % 60);
} else if (standby <= 251) {
t = (standby - 240) * 30;
printf("%u hours + %u minutes", t / 60, t % 60);
} else
printf("illegal value");
printf(")\n");
}
static const uint8_t xfermode_val[] ALIGN1 = {
8, 9, 10, 11, 12, 13, 14, 15,
16, 17, 18, 19, 20, 21, 22, 23,
32, 33, 34, 35, 36, 37, 38, 39,
64, 65, 66, 67, 68, 69, 70, 71
};
/* NB: we save size by _not_ storing terninating NUL! */
static const char xfermode_name[][5] ALIGN1 = {
"pio0", "pio1", "pio2", "pio3", "pio4", "pio5", "pio6", "pio7",
"sdma0","sdma1","sdma2","sdma3","sdma4","sdma5","sdma6","sdma7",
"mdma0","mdma1","mdma2","mdma3","mdma4","mdma5","mdma6","mdma7",
"udma0","udma1","udma2","udma3","udma4","udma5","udma6","udma7"
};
static int translate_xfermode(const char *name)
{
int val, i;
for (i = 0; i < ARRAY_SIZE(xfermode_val); i++) {
if (!strncmp(name, xfermode_name[i], 5))
if (strlen(name) <= 5)
return xfermode_val[i];
}
/* Negative numbers are invalid and are caught later */
val = bb_strtoi(name, NULL, 10);
if (!errno)
return val;
return -1;
}
static void interpret_xfermode(unsigned xfermode)
{
printf(" (");
if (xfermode == 0)
printf("default PIO mode");
else if (xfermode == 1)
printf("default PIO mode, disable IORDY");
else if (xfermode >= 8 && xfermode <= 15)
printf("PIO flow control mode%u", xfermode - 8);
else if (xfermode >= 16 && xfermode <= 23)
printf("singleword DMA mode%u", xfermode - 16);
else if (xfermode >= 32 && xfermode <= 39)
printf("multiword DMA mode%u", xfermode - 32);
else if (xfermode >= 64 && xfermode <= 71)
printf("UltraDMA mode%u", xfermode - 64);
else
printf("Unknown");
printf(")\n");
}
#endif /* HDIO_DRIVE_CMD */
static void print_flag(int flag, const char *s, unsigned long value)
{
if (flag)
printf(" setting %s to %ld\n", s, value);
}
static void process_dev(char *devname)
{
int fd;
long parm, multcount;
#ifndef HDIO_DRIVE_CMD
int force_operation = 0;
#endif
/* Please restore args[n] to these values after each ioctl
except for args[2] */
unsigned char args[4] = { WIN_SETFEATURES, 0, 0, 0 };
const char *fmt = " %s\t= %2ld";
fd = xopen(devname, O_RDONLY|O_NONBLOCK);
printf("\n%s:\n", devname);
if (set_readahead) {
print_flag(get_readahead, "fs readahead", Xreadahead);
ioctl_or_warn(fd, BLKRASET, (int *)Xreadahead);
}
#if ENABLE_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF
if (unregister_hwif) {
printf(" attempting to unregister hwif#%lu\n", hwif);
ioctl_or_warn(fd, HDIO_UNREGISTER_HWIF, (int *)(unsigned long)hwif);
}
#endif
#if ENABLE_FEATURE_HDPARM_HDIO_SCAN_HWIF
if (scan_hwif) {
printf(" attempting to scan hwif (0x%lx, 0x%lx, %lu)\n", hwif_data, hwif_ctrl, hwif_irq);
args[0] = hwif_data;
args[1] = hwif_ctrl;
args[2] = hwif_irq;
ioctl_or_warn(fd, HDIO_SCAN_HWIF, args);
args[0] = WIN_SETFEATURES;
args[1] = 0;
}
#endif
if (set_piomode) {
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));
}
ioctl_or_warn(fd, HDIO_SET_PIO_MODE, (int *)(unsigned long)piomode);
}
if (set_io32bit) {
print_flag(get_io32bit, "32-bit IO_support flag", io32bit);
ioctl_or_warn(fd, HDIO_SET_32BIT, (int *)io32bit);
}
if (set_mult) {
print_flag(get_mult, "multcount", mult);
#ifdef HDIO_DRIVE_CMD
ioctl_or_warn(fd, HDIO_SET_MULTCOUNT, (void *)mult);
#else
force_operation |= (!ioctl_or_warn(fd, HDIO_SET_MULTCOUNT, (void *)mult));
#endif
}
if (set_readonly) {
print_flag_on_off(get_readonly, "readonly", readonly);
ioctl_or_warn(fd, BLKROSET, &readonly);
}
if (set_unmask) {
print_flag_on_off(get_unmask, "unmaskirq", unmask);
ioctl_or_warn(fd, HDIO_SET_UNMASKINTR, (int *)unmask);
}
#if ENABLE_FEATURE_HDPARM_HDIO_GETSET_DMA
if (set_dma) {
print_flag_on_off(get_dma, "using_dma", dma);
ioctl_or_warn(fd, HDIO_SET_DMA, (int *)dma);
}
#endif /* FEATURE_HDPARM_HDIO_GETSET_DMA */
if (set_dma_q) {
print_flag_on_off(get_dma_q, "DMA queue_depth", dma_q);
ioctl_or_warn(fd, HDIO_SET_QDMA, (int *)dma_q);
}
if (set_nowerr) {
print_flag_on_off(get_nowerr, "nowerr", nowerr);
ioctl_or_warn(fd, HDIO_SET_NOWERR, (int *)nowerr);
}
if (set_keep) {
print_flag_on_off(get_keep, "keep_settings", keep);
ioctl_or_warn(fd, HDIO_SET_KEEPSETTINGS, (int *)keep);
}
#ifdef HDIO_DRIVE_CMD
if (set_doorlock) {
args[0] = doorlock ? WIN_DOORLOCK : WIN_DOORUNLOCK;
args[2] = 0;
print_flag_on_off(get_doorlock, "drive doorlock", doorlock);
ioctl_or_warn(fd, HDIO_DRIVE_CMD, &args);
args[0] = WIN_SETFEATURES;
}
if (set_dkeep) {
/* lock/unlock the drive's "feature" settings */
print_flag_on_off(get_dkeep, "drive keep features", dkeep);
args[2] = dkeep ? 0x66 : 0xcc;
ioctl_or_warn(fd, HDIO_DRIVE_CMD, &args);
}
if (set_defects) {
args[2] = defects ? 0x04 : 0x84;
print_flag(get_defects, "drive defect-mgmt", defects);
ioctl_or_warn(fd, HDIO_DRIVE_CMD, &args);
}
if (set_prefetch) {
args[1] = prefetch;
args[2] = 0xab;
print_flag(get_prefetch, "drive prefetch", prefetch);
ioctl_or_warn(fd, HDIO_DRIVE_CMD, &args);
args[1] = 0;
}
if (set_xfermode) {
args[1] = xfermode_requested;
args[2] = 3;
if (get_xfermode) {
print_flag(1, "xfermode", xfermode_requested);
interpret_xfermode(xfermode_requested);
}
ioctl_or_warn(fd, HDIO_DRIVE_CMD, &args);
args[1] = 0;
}
if (set_lookahead) {
args[2] = lookahead ? 0xaa : 0x55;
print_flag_on_off(get_lookahead, "drive read-lookahead", lookahead);
ioctl_or_warn(fd, HDIO_DRIVE_CMD, &args);
}
if (set_apmmode) {
args[2] = (apmmode == 255) ? 0x85 /* disable */ : 0x05 /* set */; /* feature register */
args[1] = apmmode; /* sector count register 1-255 */
if (get_apmmode)
printf(" setting APM level to %s 0x%02lX (%ld)\n", (apmmode == 255) ? "disabled" : "", apmmode, apmmode);
ioctl_or_warn(fd, HDIO_DRIVE_CMD, &args);
args[1] = 0;
}
if (set_wcache) {
#ifdef DO_FLUSHCACHE
#ifndef WIN_FLUSHCACHE
#define WIN_FLUSHCACHE 0xe7
#endif
static unsigned char flushcache[4] = { WIN_FLUSHCACHE, 0, 0, 0 };
#endif /* DO_FLUSHCACHE */
args[2] = wcache ? 0x02 : 0x82;
print_flag_on_off(get_wcache, "drive write-caching", wcache);
#ifdef DO_FLUSHCACHE
if (!wcache)
ioctl_or_warn(fd, HDIO_DRIVE_CMD, &flushcache);
#endif /* DO_FLUSHCACHE */
ioctl_or_warn(fd, HDIO_DRIVE_CMD, &args);
#ifdef DO_FLUSHCACHE
if (!wcache)
ioctl_or_warn(fd, HDIO_DRIVE_CMD, &flushcache);
#endif /* DO_FLUSHCACHE */
}
/* In code below, we do not preserve args[0], but the rest
is preserved, including args[2] */
args[2] = 0;
if (set_standbynow) {
#ifndef WIN_STANDBYNOW1
#define WIN_STANDBYNOW1 0xE0
#endif
#ifndef WIN_STANDBYNOW2
#define WIN_STANDBYNOW2 0x94
#endif
if (get_standbynow) printf(" issuing standby command\n");
args[0] = WIN_STANDBYNOW1;
ioctl_alt_or_warn(fd, HDIO_DRIVE_CMD, args, WIN_STANDBYNOW2);
}
if (set_sleepnow) {
#ifndef WIN_SLEEPNOW1
#define WIN_SLEEPNOW1 0xE6
#endif
#ifndef WIN_SLEEPNOW2
#define WIN_SLEEPNOW2 0x99
#endif
if (get_sleepnow) printf(" issuing sleep command\n");
args[0] = WIN_SLEEPNOW1;
ioctl_alt_or_warn(fd, HDIO_DRIVE_CMD, args, WIN_SLEEPNOW2);
}
if (set_seagate) {
args[0] = 0xfb;
if (get_seagate) printf(" disabling Seagate auto powersaving mode\n");
ioctl_or_warn(fd, HDIO_DRIVE_CMD, &args);
}
if (set_standby) {
args[0] = WIN_SETIDLE1;
args[1] = standby_requested;
if (get_standby) {
print_flag(1, "standby", standby_requested);
interpret_standby(standby_requested);
}
ioctl_or_warn(fd, HDIO_DRIVE_CMD, &args);
args[1] = 0;
}
#else /* HDIO_DRIVE_CMD */
if (force_operation) {
char buf[512];
flush_buffer_cache(fd);
if (-1 == read(fd, buf, sizeof(buf)))
bb_perror_msg("read(%d bytes) failed (rc=%d)", sizeof(buf), -1);
}
#endif /* HDIO_DRIVE_CMD */
if (get_mult || get_identity) {
multcount = -1;
if (ioctl(fd, HDIO_GET_MULTCOUNT, &multcount)) {
if (get_mult && ENABLE_IOCTL_HEX2STR_ERROR) /* To be coherent with ioctl_or_warn. */
bb_perror_msg("HDIO_GET_MULTCOUNT");
else
bb_perror_msg("ioctl %#x failed", HDIO_GET_MULTCOUNT);
} else if (get_mult) {
printf(fmt, "multcount", multcount);
on_off(multcount != 0);
}
}
if (get_io32bit) {
if (!ioctl_or_warn(fd, HDIO_GET_32BIT, &parm)) {
printf(" IO_support\t=%3ld (", parm);
if (parm == 0)
printf("default 16-bit)\n");
else if (parm == 2)
printf("16-bit)\n");
else if (parm == 1)
printf("32-bit)\n");
else if (parm == 3)
printf("32-bit w/sync)\n");
else if (parm == 8)
printf("Request-Queue-Bypass)\n");
else
printf("\?\?\?)\n");
}
}
if (get_unmask) {
if(!ioctl_or_warn(fd, HDIO_GET_UNMASKINTR, (unsigned long *)parm))
print_value_on_off("unmaskirq", parm);
}
#if ENABLE_FEATURE_HDPARM_HDIO_GETSET_DMA
if (get_dma) {
if (!ioctl_or_warn(fd, HDIO_GET_DMA, &parm)) {
printf(fmt, "using_dma", parm);
if (parm == 8)
printf(" (DMA-Assisted-PIO)\n");
else
on_off(parm != 0);
}
}
#endif
if (get_dma_q) {
if(!ioctl_or_warn(fd, HDIO_GET_QDMA, (unsigned long *)parm))
print_value_on_off("queue_depth", parm);
}
if (get_keep) {
if(!ioctl_or_warn(fd, HDIO_GET_KEEPSETTINGS, (unsigned long *)parm))
print_value_on_off("keepsettings", parm);
}
if (get_nowerr) {
if(!ioctl_or_warn(fd, HDIO_GET_NOWERR, (unsigned long *)parm))
print_value_on_off("nowerr", parm);
}
if (get_readonly) {
if(!ioctl_or_warn(fd, BLKROGET, (unsigned long *)parm))
print_value_on_off("readonly", parm);
}
if (get_readahead) {
if(!ioctl_or_warn(fd, BLKRAGET, (unsigned long *)parm))
print_value_on_off("readahead", parm);
}
if (get_geom) {
if (!ioctl_or_warn(fd, BLKGETSIZE, &parm)) {
struct hd_geometry g;
if (!ioctl_or_warn(fd, HDIO_GETGEO, &g))
printf(" geometry\t= %u/%u/%u, sectors = %ld, start = %ld\n",
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
const char *state;
args[0] = WIN_CHECKPOWERMODE1;
if (ioctl_alt_or_warn(fd, HDIO_DRIVE_CMD, args, WIN_CHECKPOWERMODE2)) {
if (errno != EIO || args[0] != 0 || args[1] != 0)
state = "unknown";
else
state = "sleeping";
} else
state = (args[2] == 255) ? "active/idle" : "standby";
args[1] = args[2] = 0;
printf(" drive state is: %s\n", state);
}
#endif
#if ENABLE_FEATURE_HDPARM_HDIO_DRIVE_RESET
if (perform_reset) {
ioctl_or_warn(fd, HDIO_DRIVE_RESET, NULL);
}
#endif /* FEATURE_HDPARM_HDIO_DRIVE_RESET */
#if ENABLE_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
if (perform_tristate) {
args[0] = 0;
args[1] = tristate;
ioctl_or_warn(fd, HDIO_TRISTATE_HWIF, &args);
}
#endif /* FEATURE_HDPARM_HDIO_TRISTATE_HWIF */
#if ENABLE_FEATURE_HDPARM_GET_IDENTITY
if (get_identity) {
struct hd_driveid id;
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 if (ENABLE_IOCTL_HEX2STR_ERROR) /* To be coherent with ioctl_or_warn */
bb_perror_msg("HDIO_GET_IDENTITY");
else
bb_perror_msg("ioctl %#x failed", HDIO_GET_IDENTITY);
}
if (get_IDentity) {
unsigned char args1[4+512]; /* = { ... } will eat 0.5k of rodata! */
memset(args1, 0, sizeof(args1));
args1[0] = WIN_IDENTIFY;
args1[3] = 1;
if (!ioctl_alt_or_warn(fd, HDIO_DRIVE_CMD, args1, WIN_PIDENTIFY))
identify((void *)(args1 + 4));
}
#endif
#if ENABLE_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
if (set_busstate) {
if (get_busstate) {
print_flag(1, "bus state", busstate);
bus_state_value(busstate);
}
ioctl_or_warn(fd, HDIO_SET_BUSSTATE, (int *)(unsigned long)busstate);
}
if (get_busstate) {
if (!ioctl_or_warn(fd, HDIO_GET_BUSSTATE, &parm)) {
printf(fmt, "bus state", parm);
bus_state_value(parm);
}
}
#endif
if (reread_partn)
ioctl_or_warn(fd, BLKRRPART, NULL);
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);
}
#if ENABLE_FEATURE_HDPARM_GET_IDENTITY
static int fromhex(unsigned char c)
{
if (isdigit(c))
return (c - '0');
if (c >= 'a' && c <= 'f')
return (c - ('a' - 10));
bb_error_msg_and_die("bad char: '%c' 0x%02x", c, c);
}
static void identify_from_stdin(void)
{
uint16_t sbuf[256];
unsigned char buf[1280];
unsigned char *b = (unsigned char *)buf;
int i;
xread(0, buf, 1280);
// Convert the newline-separated hex data into an identify block.
for (i = 0; i < 256; i++) {
int j;
for (j = 0; j < 4; j++)
sbuf[i] = (sbuf[i] << 4) + fromhex(*(b++));
}
// Parse the data.
identify(sbuf);
}
#endif
/* busybox specific stuff */
static void parse_opts(smallint *get, smallint *set, unsigned long *value, int min, int max)
{
if (get) {
*get = 1;
}
if (optarg) {
*set = 1;
*value = xatol_range(optarg, min, max);
}
}
static void parse_xfermode(int flag, smallint *get, smallint *set, int *value)
{
if (flag) {
*get = 1;
if (optarg) {
*value = translate_xfermode(optarg);
*set = (*value > -1);
}
}
}
/*------- getopt short options --------*/
static const char hdparm_options[] ALIGN1 =
"gfu::n::p:r::m::c::k::a::B:tTh"
USE_FEATURE_HDPARM_GET_IDENTITY("iI")
USE_FEATURE_HDPARM_HDIO_GETSET_DMA("d::")
#ifdef HDIO_DRIVE_CMD
"S:D:P:X:K:A:L:W:CyYzZ"
#endif
USE_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF("U:")
#ifdef HDIO_GET_QDMA
#ifdef HDIO_SET_QDMA
"Q:"
#else
"Q"
#endif
#endif
USE_FEATURE_HDPARM_HDIO_DRIVE_RESET("w")
USE_FEATURE_HDPARM_HDIO_TRISTATE_HWIF("x::b:")
USE_FEATURE_HDPARM_HDIO_SCAN_HWIF("R:");
/*-------------------------------------*/
/* our main() routine: */
int hdparm_main(int argc, char **argv);
int hdparm_main(int argc, char **argv)
{
int c;
int flagcount = 0;
while ((c = getopt(argc, argv, hdparm_options)) >= 0) {
flagcount++;
if (c == 'h') bb_show_usage(); /* EXIT */
USE_FEATURE_HDPARM_GET_IDENTITY(get_IDentity |= (c == 'I'));
USE_FEATURE_HDPARM_GET_IDENTITY(get_identity |= (c == 'i'));
get_geom |= (c == 'g');
do_flush |= (c == 'f');
if (c == 'u') parse_opts(&get_unmask, &set_unmask, &unmask, 0, 1);
USE_FEATURE_HDPARM_HDIO_GETSET_DMA(if (c == 'd') parse_opts(&get_dma, &set_dma, &dma, 0, 9));
if (c == 'n') parse_opts(&get_nowerr, &set_nowerr, &nowerr, 0, 1);
parse_xfermode((c == 'p'), &noisy_piomode, &set_piomode, &piomode);
if (c == 'r') parse_opts(&get_readonly, &set_readonly, &readonly, 0, 1);
if (c == 'm') parse_opts(&get_mult, &set_mult, &mult, 0, INT_MAX /*32*/);
if (c == 'c') parse_opts(&get_io32bit, &set_io32bit, &io32bit, 0, INT_MAX /*8*/);
if (c == 'k') parse_opts(&get_keep, &set_keep, &keep, 0, 1);
if (c == 'a') parse_opts(&get_readahead, &set_readahead, &Xreadahead, 0, INT_MAX);
if (c == 'B') parse_opts(&get_apmmode, &set_apmmode, &apmmode, 1, 255);
do_flush |= do_timings |= (c == 't');
do_flush |= do_ctimings |= (c == 'T');
#ifdef HDIO_DRIVE_CMD
if (c == 'S') parse_opts(&get_standby, &set_standby, &standby_requested, 0, INT_MAX);
if (c == 'D') parse_opts(&get_defects, &set_defects, &defects, 0, INT_MAX);
if (c == 'P') parse_opts(&get_prefetch, &set_prefetch, &prefetch, 0, INT_MAX);
parse_xfermode((c == 'X'), &get_xfermode, &set_xfermode, &xfermode_requested);
if (c == 'K') parse_opts(&get_dkeep, &set_dkeep, &prefetch, 0, 1);
if (c == 'A') parse_opts(&get_lookahead, &set_lookahead, &lookahead, 0, 1);
if (c == 'L') parse_opts(&get_doorlock, &set_doorlock, &doorlock, 0, 1);
if (c == 'W') parse_opts(&get_wcache, &set_wcache, &wcache, 0, 1);
get_powermode |= (c == 'C');
get_standbynow = set_standbynow |= (c == 'y');
get_sleepnow = set_sleepnow |= (c == 'Y');
reread_partn |= (c == 'z');
get_seagate = set_seagate |= (c == 'Z');
#endif
USE_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF(if (c == 'U') parse_opts(NULL, &unregister_hwif, &hwif, 0, INT_MAX));
#ifdef HDIO_GET_QDMA
if (c == 'Q') {
#ifdef HDIO_SET_QDMA
parse_opts(&get_dma_q, &set_dma_q, &dma_q, 0, INT_MAX);
#else
parse_opts(&get_dma_q, NULL, NULL, 0, 0);
#endif
}
#endif
USE_FEATURE_HDPARM_HDIO_DRIVE_RESET(perform_reset = (c == 'r'));
USE_FEATURE_HDPARM_HDIO_TRISTATE_HWIF(if (c == 'x') parse_opts(NULL, &perform_tristate, &tristate, 0, 1));
USE_FEATURE_HDPARM_HDIO_TRISTATE_HWIF(if (c == 'b') parse_opts(&get_busstate, &set_busstate, &busstate, 0, 2));
#if ENABLE_FEATURE_HDPARM_HDIO_SCAN_HWIF
if (c == 'R') {
parse_opts(NULL, &scan_hwif, &hwif_data, 0, INT_MAX);
hwif_ctrl = xatoi_u((argv[optind]) ? argv[optind] : "");
hwif_irq = xatoi_u((argv[optind+1]) ? argv[optind+1] : "");
/* Move past the 2 additional arguments */
argv += 2;
argc -= 2;
}
#endif
}
/* When no flags are given (flagcount = 0), -acdgkmnru is assumed. */
if (!flagcount) {
get_mult = get_io32bit = get_unmask = get_keep = get_readonly = get_readahead = get_geom = 1;
USE_FEATURE_HDPARM_HDIO_GETSET_DMA(get_dma = 1);
}
argv += optind;
if (!*argv) {
if (ENABLE_FEATURE_HDPARM_GET_IDENTITY && !isatty(STDIN_FILENO))
identify_from_stdin(); /* EXIT */
else bb_show_usage();
}
do {
process_dev(*argv++);
} while (*argv);
return EXIT_SUCCESS;
}
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