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hdparm.c
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/* vi: set sw=4 ts=4: */
/*
* hdparm implementation for busybox
*
* Copyright (C) [2003] by [Matteo Croce] <[email protected]>
* Hacked by Tito <[email protected]> for size optimization.
*
* Licensed under GPLv2 or later, see file LICENSE in this source tree.
*
* 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
*/
//usage:#define hdparm_trivial_usage
//usage: "[OPTIONS] [DEVICE]"
//usage:#define hdparm_full_usage "\n\n"
//usage: " -a Get/set fs readahead"
//usage: "\n -A Set drive read-lookahead flag (0/1)"
//usage: "\n -b Get/set bus state (0 == off, 1 == on, 2 == tristate)"
//usage: "\n -B Set Advanced Power Management setting (1-255)"
//usage: "\n -c Get/set IDE 32-bit IO setting"
//usage: "\n -C Check IDE power mode status"
//usage: IF_FEATURE_HDPARM_HDIO_GETSET_DMA(
//usage: "\n -d Get/set using_dma flag")
//usage: "\n -D Enable/disable drive defect-mgmt"
//usage: "\n -f Flush buffer cache for device on exit"
//usage: "\n -g Display drive geometry"
//usage: "\n -h Display terse usage information"
//usage: IF_FEATURE_HDPARM_GET_IDENTITY(
//usage: "\n -i Display drive identification")
//usage: IF_FEATURE_HDPARM_GET_IDENTITY(
//usage: "\n -I Detailed/current information directly from drive")
//usage: "\n -k Get/set keep_settings_over_reset flag (0/1)"
//usage: "\n -K Set drive keep_features_over_reset flag (0/1)"
//usage: "\n -L Set drive doorlock (0/1) (removable harddisks only)"
//usage: "\n -m Get/set multiple sector count"
//usage: "\n -n Get/set ignore-write-errors flag (0/1)"
//usage: "\n -p Set PIO mode on IDE interface chipset (0,1,2,3,4,...)"
//usage: "\n -P Set drive prefetch count"
/* //usage: "\n -q Change next setting quietly" - not supported ib bbox */
//usage: "\n -Q Get/set DMA tagged-queuing depth (if supported)"
//usage: "\n -r Get/set readonly flag (DANGEROUS to set)"
//usage: IF_FEATURE_HDPARM_HDIO_SCAN_HWIF(
//usage: "\n -R Register an IDE interface (DANGEROUS)")
//usage: "\n -S Set standby (spindown) timeout"
//usage: "\n -t Perform device read timings"
//usage: "\n -T Perform cache read timings"
//usage: "\n -u Get/set unmaskirq flag (0/1)"
//usage: IF_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF(
//usage: "\n -U Unregister an IDE interface (DANGEROUS)")
//usage: "\n -v Defaults; same as -mcudkrag for IDE drives"
//usage: "\n -V Display program version and exit immediately"
//usage: IF_FEATURE_HDPARM_HDIO_DRIVE_RESET(
//usage: "\n -w Perform device reset (DANGEROUS)")
//usage: "\n -W Set drive write-caching flag (0/1) (DANGEROUS)"
//usage: IF_FEATURE_HDPARM_HDIO_TRISTATE_HWIF(
//usage: "\n -x Tristate device for hotswap (0/1) (DANGEROUS)")
//usage: "\n -X Set IDE xfer mode (DANGEROUS)"
//usage: "\n -y Put IDE drive in standby mode"
//usage: "\n -Y Put IDE drive to sleep"
//usage: "\n -Z Disable Seagate auto-powersaving mode"
//usage: "\n -z Reread partition table"
#include "libbb.h"
/* must be _after_ libbb.h: */
#include <linux/hdreg.h>
#include <sys/mount.h>
#if !defined(BLKGETSIZE64)
# define BLKGETSIZE64 _IOR(0x12,114,size_t)
#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
/* 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
/* 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
/* 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
/* 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_BUF_MB 1
#define TIMING_BUF_BYTES (TIMING_BUF_MB * 1024 * 1024)
#undef DO_FLUSHCACHE /* under construction: force cache flush on -W0 */
#define IS_GET 1
#define IS_SET 2
enum { fd = 3 };
struct globals {
smallint get_identity, get_geom;
smallint do_flush;
smallint do_ctimings, do_timings;
smallint reread_partn;
smallint set_piomode, noisy_piomode;
smallint getset_readahead;
smallint getset_readonly;
smallint getset_unmask;
smallint getset_mult;
#ifdef HDIO_GET_QDMA
smallint getset_dma_q;
#endif
smallint getset_nowerr;
smallint getset_keep;
smallint getset_io32bit;
int piomode;
unsigned long Xreadahead;
unsigned long readonly;
unsigned long unmask;
unsigned long mult;
#ifdef HDIO_SET_QDMA
unsigned long dma_q;
#endif
unsigned long nowerr;
unsigned long keep;
unsigned long io32bit;
#if ENABLE_FEATURE_HDPARM_HDIO_GETSET_DMA
unsigned long dma;
smallint getset_dma;
#endif
#ifdef HDIO_DRIVE_CMD
smallint set_xfermode, get_xfermode;
smallint getset_dkeep;
smallint getset_standby;
smallint getset_lookahead;
smallint getset_prefetch;
smallint getset_defects;
smallint getset_wcache;
smallint getset_doorlock;
smallint set_seagate;
smallint set_standbynow;
smallint set_sleepnow;
smallint get_powermode;
smallint getset_apmmode;
int xfermode_requested;
unsigned long dkeep;
unsigned long standby_requested; /* 0..255 */
unsigned long lookahead;
unsigned long prefetch;
unsigned long defects;
unsigned long wcache;
unsigned long doorlock;
unsigned long apmmode;
#endif
IF_FEATURE_HDPARM_GET_IDENTITY( smallint get_IDentity;)
IF_FEATURE_HDPARM_HDIO_TRISTATE_HWIF( smallint getset_busstate;)
IF_FEATURE_HDPARM_HDIO_DRIVE_RESET( smallint perform_reset;)
IF_FEATURE_HDPARM_HDIO_TRISTATE_HWIF( smallint perform_tristate;)
IF_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF(smallint unregister_hwif;)
IF_FEATURE_HDPARM_HDIO_SCAN_HWIF( smallint scan_hwif;)
IF_FEATURE_HDPARM_HDIO_TRISTATE_HWIF( unsigned long busstate;)
IF_FEATURE_HDPARM_HDIO_TRISTATE_HWIF( unsigned long tristate;)
IF_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF(unsigned long hwif;)
#if ENABLE_FEATURE_HDPARM_HDIO_SCAN_HWIF
unsigned long hwif_data;
unsigned long hwif_ctrl;
unsigned long hwif_irq;
#endif
#ifdef DO_FLUSHCACHE
unsigned char flushcache[4] = { WIN_FLUSHCACHE, 0, 0, 0 };
#endif
} FIX_ALIASING;
#define G (*(struct globals*)&bb_common_bufsiz1)
struct BUG_G_too_big {
char BUG_G_too_big[sizeof(G) <= COMMON_BUFSIZE ? 1 : -1];
};
#define get_identity (G.get_identity )
#define get_geom (G.get_geom )
#define do_flush (G.do_flush )
#define do_ctimings (G.do_ctimings )
#define do_timings (G.do_timings )
#define reread_partn (G.reread_partn )
#define set_piomode (G.set_piomode )
#define noisy_piomode (G.noisy_piomode )
#define getset_readahead (G.getset_readahead )
#define getset_readonly (G.getset_readonly )
#define getset_unmask (G.getset_unmask )
#define getset_mult (G.getset_mult )
#define getset_dma_q (G.getset_dma_q )
#define getset_nowerr (G.getset_nowerr )
#define getset_keep (G.getset_keep )
#define getset_io32bit (G.getset_io32bit )
#define piomode (G.piomode )
#define Xreadahead (G.Xreadahead )
#define readonly (G.readonly )
#define unmask (G.unmask )
#define mult (G.mult )
#define dma_q (G.dma_q )
#define nowerr (G.nowerr )
#define keep (G.keep )
#define io32bit (G.io32bit )
#define dma (G.dma )
#define getset_dma (G.getset_dma )
#define set_xfermode (G.set_xfermode )
#define get_xfermode (G.get_xfermode )
#define getset_dkeep (G.getset_dkeep )
#define getset_standby (G.getset_standby )
#define getset_lookahead (G.getset_lookahead )
#define getset_prefetch (G.getset_prefetch )
#define getset_defects (G.getset_defects )
#define getset_wcache (G.getset_wcache )
#define getset_doorlock (G.getset_doorlock )
#define set_seagate (G.set_seagate )
#define set_standbynow (G.set_standbynow )
#define set_sleepnow (G.set_sleepnow )
#define get_powermode (G.get_powermode )
#define getset_apmmode (G.getset_apmmode )
#define xfermode_requested (G.xfermode_requested )
#define dkeep (G.dkeep )
#define standby_requested (G.standby_requested )
#define lookahead (G.lookahead )
#define prefetch (G.prefetch )
#define defects (G.defects )
#define wcache (G.wcache )
#define doorlock (G.doorlock )
#define apmmode (G.apmmode )
#define get_IDentity (G.get_IDentity )
#define getset_busstate (G.getset_busstate )
#define perform_reset (G.perform_reset )
#define perform_tristate (G.perform_tristate )
#define unregister_hwif (G.unregister_hwif )
#define scan_hwif (G.scan_hwif )
#define busstate (G.busstate )
#define tristate (G.tristate )
#define hwif (G.hwif )
#define hwif_data (G.hwif_data )
#define hwif_ctrl (G.hwif_ctrl )
#define hwif_irq (G.hwif_irq )
#define INIT_G() do { } while (0)
/* 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(cmd,args,alt) ioctl_alt_func(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(cmd,args,alt) ioctl_alt_func(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(const char *p, int length)
{
#if BB_BIG_ENDIAN
#define LE_ONLY(x)
enum { ofs = 0 };
#else
#define LE_ONLY(x) x
/* every 16bit word is big-endian (i.e. inverted) */
/* accessing bytes in 1,0, 3,2, 5,4... sequence */
int ofs = 1;
#endif
length *= 2;
/* find first non-space & print it */
while (length && p[ofs] != ' ') {
p++;
LE_ONLY(ofs = -ofs;)
length--;
}
while (length && p[ofs]) {
bb_putchar(p[ofs]);
p++;
LE_ONLY(ofs = -ofs;)
length--;
}
bb_putchar('\n');
#undef LE_ONLY
}
static void xprint_ascii(uint16_t *val, int i, const char *string, int n)
{
if (val[i]) {
printf("\t%-20s", string);
print_ascii((void*)&val[i], n);
}
}
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 const char pkt_str[] ALIGN1 =
"Direct-access device" "\0" /* word 0, bits 12-8 = 00 */
"Sequential-access device" "\0" /* word 0, bits 12-8 = 01 */
"Printer" "\0" /* word 0, bits 12-8 = 02 */
"Processor" "\0" /* word 0, bits 12-8 = 03 */
"Write-once device" "\0" /* word 0, bits 12-8 = 04 */
"CD-ROM" "\0" /* word 0, bits 12-8 = 05 */
"Scanner" "\0" /* word 0, bits 12-8 = 06 */
"Optical memory" "\0" /* word 0, bits 12-8 = 07 */
"Medium changer" "\0" /* word 0, bits 12-8 = 08 */
"Communications device" "\0" /* word 0, bits 12-8 = 09 */
"ACS-IT8 device" "\0" /* word 0, bits 12-8 = 0a */
"ACS-IT8 device" "\0" /* word 0, bits 12-8 = 0b */
"Array controller" "\0" /* word 0, bits 12-8 = 0c */
"Enclosure services" "\0" /* word 0, bits 12-8 = 0d */
"Reduced block command device" "\0" /* word 0, bits 12-8 = 0e */
"Optical card reader/writer" "\0" /* word 0, bits 12-8 = 0f */
;
static const char ata1_cfg_str[] ALIGN1 = /* word 0 in ATA-1 mode */
"reserved" "\0" /* bit 0 */
"hard sectored" "\0" /* bit 1 */
"soft sectored" "\0" /* bit 2 */
"not MFM encoded " "\0" /* bit 3 */
"head switch time > 15us" "\0" /* bit 4 */
"spindle motor control option" "\0" /* bit 5 */
"fixed drive" "\0" /* bit 6 */
"removable drive" "\0" /* bit 7 */
"disk xfer rate <= 5Mbs" "\0" /* bit 8 */
"disk xfer rate > 5Mbs, <= 10Mbs" "\0" /* bit 9 */
"disk xfer rate > 5Mbs" "\0" /* bit 10 */
"rotational speed tol." "\0" /* bit 11 */
"data strobe offset option" "\0" /* bit 12 */
"track offset option" "\0" /* bit 13 */
"format speed tolerance gap reqd" "\0" /* bit 14 */
"ATAPI" /* bit 14 */
;
static const char minor_str[] ALIGN1 =
/* word 81 value: */
"Unspecified" "\0" /* 0x0000 */
"ATA-1 X3T9.2 781D prior to rev.4" "\0" /* 0x0001 */
"ATA-1 published, ANSI X3.221-1994" "\0" /* 0x0002 */
"ATA-1 X3T9.2 781D rev.4" "\0" /* 0x0003 */
"ATA-2 published, ANSI X3.279-1996" "\0" /* 0x0004 */
"ATA-2 X3T10 948D prior to rev.2k" "\0" /* 0x0005 */
"ATA-3 X3T10 2008D rev.1" "\0" /* 0x0006 */
"ATA-2 X3T10 948D rev.2k" "\0" /* 0x0007 */
"ATA-3 X3T10 2008D rev.0" "\0" /* 0x0008 */
"ATA-2 X3T10 948D rev.3" "\0" /* 0x0009 */
"ATA-3 published, ANSI X3.298-199x" "\0" /* 0x000a */
"ATA-3 X3T10 2008D rev.6" "\0" /* 0x000b */
"ATA-3 X3T13 2008D rev.7 and 7a" "\0" /* 0x000c */
"ATA/ATAPI-4 X3T13 1153D rev.6" "\0" /* 0x000d */
"ATA/ATAPI-4 T13 1153D rev.13" "\0" /* 0x000e */
"ATA/ATAPI-4 X3T13 1153D rev.7" "\0" /* 0x000f */
"ATA/ATAPI-4 T13 1153D rev.18" "\0" /* 0x0010 */
"ATA/ATAPI-4 T13 1153D rev.15" "\0" /* 0x0011 */
"ATA/ATAPI-4 published, ANSI INCITS 317-1998" "\0" /* 0x0012 */
"ATA/ATAPI-5 T13 1321D rev.3" "\0" /* 0x0013 */
"ATA/ATAPI-4 T13 1153D rev.14" "\0" /* 0x0014 */
"ATA/ATAPI-5 T13 1321D rev.1" "\0" /* 0x0015 */
"ATA/ATAPI-5 published, ANSI INCITS 340-2000" "\0" /* 0x0016 */
"ATA/ATAPI-4 T13 1153D rev.17" "\0" /* 0x0017 */
"ATA/ATAPI-6 T13 1410D rev.0" "\0" /* 0x0018 */
"ATA/ATAPI-6 T13 1410D rev.3a" "\0" /* 0x0019 */
"ATA/ATAPI-7 T13 1532D rev.1" "\0" /* 0x001a */
"ATA/ATAPI-6 T13 1410D rev.2" "\0" /* 0x001b */
"ATA/ATAPI-6 T13 1410D rev.1" "\0" /* 0x001c */
"ATA/ATAPI-7 published, ANSI INCITS 397-2005" "\0" /* 0x001d */
"ATA/ATAPI-7 T13 1532D rev.0" "\0" /* 0x001e */
"reserved" "\0" /* 0x001f */
"reserved" "\0" /* 0x0020 */
"ATA/ATAPI-7 T13 1532D rev.4a" "\0" /* 0x0021 */
"ATA/ATAPI-6 published, ANSI INCITS 361-2002" "\0" /* 0x0022 */
"reserved" /* 0x0023-0xfffe */
;
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 */
};
static const char cmd_feat_str[] ALIGN1 =
"" "\0" /* word 82 bit 15: obsolete */
"NOP cmd" "\0" /* word 82 bit 14 */
"READ BUFFER cmd" "\0" /* word 82 bit 13 */
"WRITE BUFFER cmd" "\0" /* word 82 bit 12 */
"" "\0" /* word 82 bit 11: obsolete */
"Host Protected Area feature set" "\0" /* word 82 bit 10 */
"DEVICE RESET cmd" "\0" /* word 82 bit 9 */
"SERVICE interrupt" "\0" /* word 82 bit 8 */
"Release interrupt" "\0" /* word 82 bit 7 */
"Look-ahead" "\0" /* word 82 bit 6 */
"Write cache" "\0" /* word 82 bit 5 */
"PACKET command feature set" "\0" /* word 82 bit 4 */
"Power Management feature set" "\0" /* word 82 bit 3 */
"Removable Media feature set" "\0" /* word 82 bit 2 */
"Security Mode feature set" "\0" /* word 82 bit 1 */
"SMART feature set" "\0" /* word 82 bit 0 */
/* -------------- */
"" "\0" /* word 83 bit 15: !valid bit */
"" "\0" /* word 83 bit 14: valid bit */
"FLUSH CACHE EXT cmd" "\0" /* word 83 bit 13 */
"Mandatory FLUSH CACHE cmd " "\0" /* word 83 bit 12 */
"Device Configuration Overlay feature set " "\0"
"48-bit Address feature set " "\0" /* word 83 bit 10 */
"" "\0"
"SET MAX security extension" "\0" /* word 83 bit 8 */
"Address Offset Reserved Area Boot" "\0" /* word 83 bit 7 */
"SET FEATURES subcommand required to spinup after power up" "\0"
"Power-Up In Standby feature set" "\0" /* word 83 bit 5 */
"Removable Media Status Notification feature set" "\0"
"Adv. Power Management feature set" "\0" /* word 83 bit 3 */
"CFA feature set" "\0" /* word 83 bit 2 */
"READ/WRITE DMA QUEUED" "\0" /* word 83 bit 1 */
"DOWNLOAD MICROCODE cmd" "\0" /* word 83 bit 0 */
/* -------------- */
"" "\0" /* word 84 bit 15: !valid bit */
"" "\0" /* word 84 bit 14: valid bit */
"" "\0" /* word 84 bit 13: reserved */
"" "\0" /* word 84 bit 12: reserved */
"" "\0" /* word 84 bit 11: reserved */
"" "\0" /* word 84 bit 10: reserved */
"" "\0" /* word 84 bit 9: reserved */
"" "\0" /* word 84 bit 8: reserved */
"" "\0" /* word 84 bit 7: reserved */
"" "\0" /* word 84 bit 6: reserved */
"General Purpose Logging feature set" "\0" /* word 84 bit 5 */
"" "\0" /* word 84 bit 4: reserved */
"Media Card Pass Through Command feature set " "\0"
"Media serial number " "\0" /* word 84 bit 2 */
"SMART self-test " "\0" /* word 84 bit 1 */
"SMART error logging " /* word 84 bit 0 */
;
static const char secu_str[] ALIGN1 =
"supported" "\0" /* word 128, bit 0 */
"enabled" "\0" /* word 128, bit 1 */
"locked" "\0" /* word 128, bit 2 */
"frozen" "\0" /* word 128, bit 3 */
"expired: security count" "\0" /* word 128, bit 4 */
"supported: enhanced erase" /* word 128, bit 5 */
;
// Parse 512 byte disk identification block and print much crap.
static void identify(uint16_t *val) NORETURN;
static void identify(uint16_t *val)
{
uint16_t 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;
#if BB_BIG_ENDIAN
uint16_t buf[256];
// Adjust for endianness
swab(val, buf, sizeof(buf));
val = buf;
#endif
/* check if we recognize the device type */
bb_putchar('\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 ", eqpt <= 0xf ? nth_string(pkt_str, eqpt) : "unknown");
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 ", nth_string(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
bb_putchar('\n');
} else {
/* TBD: do CDROM stuff more thoroughly. For now... */
kk = 0;
if (val[CDR_MINOR] == 9) {
kk = 1;
printf("\n\tUsed: ATAPI for CD-ROMs, SFF-8020i, r2.5");
}
if (val[CDR_MAJOR] && (val[CDR_MAJOR] !=NOVAL_1)) {
kk = 1;
printf("\n\tSupported: CD-ROM ATAPI");
jj = val[CDR_MAJOR] >> 1;
for (ii = 1; ii < 15; ii++) {
if (jj & 0x0001) printf("-%u ", ii);
jj >>= 1;
}
}
puts(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", nth_string(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
bb_putchar('\n');
}
/* 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);
}