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Diffstat (limited to 'miscutils/hdparm.c')
-rw-r--r-- | miscutils/hdparm.c | 2063 |
1 files changed, 2063 insertions, 0 deletions
diff --git a/miscutils/hdparm.c b/miscutils/hdparm.c new file mode 100644 index 0000000..5c1f6d5 --- /dev/null +++ b/miscutils/hdparm.c @@ -0,0 +1,2063 @@ +/* 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 + +/* 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 */ + + +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 set_readahead, get_readahead; + smallint set_readonly, get_readonly; + smallint set_unmask, get_unmask; + smallint set_mult, get_mult; +#ifdef HDIO_GET_QDMA + smallint get_dma_q; +#ifdef HDIO_SET_QDMA + smallint set_dma_q; +#endif +#endif + smallint set_nowerr, get_nowerr; + smallint set_keep, get_keep; + smallint set_io32bit, get_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 set_dma, get_dma; +#endif +#ifdef HDIO_DRIVE_CMD + smallint set_xfermode, get_xfermode; + smallint set_dkeep, get_dkeep; + smallint set_standby, get_standby; + smallint set_lookahead, get_lookahead; + smallint set_prefetch, get_prefetch; + smallint set_defects, get_defects; + smallint set_wcache, get_wcache; + smallint set_doorlock, get_doorlock; + smallint set_seagate, get_seagate; + smallint set_standbynow, get_standbynow; + smallint set_sleepnow, get_sleepnow; + smallint get_powermode; + smallint set_apmmode, get_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 + USE_FEATURE_HDPARM_GET_IDENTITY( smallint get_IDentity;) + USE_FEATURE_HDPARM_HDIO_TRISTATE_HWIF( smallint set_busstate, get_busstate;) + USE_FEATURE_HDPARM_HDIO_DRIVE_RESET( smallint perform_reset;) + USE_FEATURE_HDPARM_HDIO_TRISTATE_HWIF( smallint perform_tristate;) + USE_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF(smallint unregister_hwif;) + USE_FEATURE_HDPARM_HDIO_SCAN_HWIF( smallint scan_hwif;) + USE_FEATURE_HDPARM_HDIO_TRISTATE_HWIF( unsigned long busstate;) + USE_FEATURE_HDPARM_HDIO_TRISTATE_HWIF( unsigned long tristate;) + USE_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 +}; +#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 set_readahead (G.set_readahead ) +#define get_readahead (G.get_readahead ) +#define set_readonly (G.set_readonly ) +#define get_readonly (G.get_readonly ) +#define set_unmask (G.set_unmask ) +#define get_unmask (G.get_unmask ) +#define set_mult (G.set_mult ) +#define get_mult (G.get_mult ) +#define set_dma_q (G.set_dma_q ) +#define get_dma_q (G.get_dma_q ) +#define set_nowerr (G.set_nowerr ) +#define get_nowerr (G.get_nowerr ) +#define set_keep (G.set_keep ) +#define get_keep (G.get_keep ) +#define set_io32bit (G.set_io32bit ) +#define get_io32bit (G.get_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 set_dma (G.set_dma ) +#define get_dma (G.get_dma ) +#define set_xfermode (G.set_xfermode ) +#define get_xfermode (G.get_xfermode ) +#define set_dkeep (G.set_dkeep ) +#define get_dkeep (G.get_dkeep ) +#define set_standby (G.set_standby ) +#define get_standby (G.get_standby ) +#define set_lookahead (G.set_lookahead ) +#define get_lookahead (G.get_lookahead ) +#define set_prefetch (G.set_prefetch ) +#define get_prefetch (G.get_prefetch ) +#define set_defects (G.set_defects ) +#define get_defects (G.get_defects ) +#define set_wcache (G.set_wcache ) +#define get_wcache (G.get_wcache ) +#define set_doorlock (G.set_doorlock ) +#define get_doorlock (G.get_doorlock ) +#define set_seagate (G.set_seagate ) +#define get_seagate (G.get_seagate ) +#define set_standbynow (G.set_standbynow ) +#define get_standbynow (G.get_standbynow ) +#define set_sleepnow (G.set_sleepnow ) +#define get_sleepnow (G.get_sleepnow ) +#define get_powermode (G.get_powermode ) +#define set_apmmode (G.set_apmmode ) +#define get_apmmode (G.get_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 set_busstate (G.set_busstate ) +#define get_busstate (G.get_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 ) + + +/* 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 recognise 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); + } + + 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 + bb_putchar('\n'); + } + printf("\tR/W multiple sector transfer: "); + if ((like_std < 3) && !(val[SECTOR_XFER_MAX] & SECTOR_XFER)) + printf("not supported\n"); + else { + printf("Max = %u\tCurrent = ", val[SECTOR_XFER_MAX] & SECTOR_XFER); + if (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]); + bb_putchar('\n'); + } + } + + /* DMA stuff. Check that only one DMA mode is selected. */ + printf("\tDMA: "); + if (!(val[CAPAB_0] & DMA_SUP)) + printf("not supported\n"); + else { + if (val[DMA_MODE] && !val[SINGLE_DMA] && !val[MULTI_DMA]) + printf(" sdma%u\n", (val[DMA_MODE] & MODE) >> 8); + if (val[SINGLE_DMA]) { + jj = val[SINGLE_DMA]; + kk = val[SINGLE_DMA] >> 8; + err_dma += mode_loop(jj, kk, 's', &have_mode); + } + if (val[MULTI_DMA]) { + jj = val[MULTI_DMA]; + kk = val[MULTI_DMA] >> 8; + err_dma += mode_loop(jj, kk, 'm', &have_mode); + } + if ((val[WHATS_VALID] & OK_W88) && val[ULTRA_DMA]) { + jj = val[ULTRA_DMA]; + kk = val[ULTRA_DMA] >> 8; + err_dma += mode_loop(jj, kk, 'u', &have_mode); + } + if (err_dma || !have_mode) printf("(?)"); + bb_putchar('\n'); + + 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]); + bb_putchar('\n'); + } + } + + /* Programmed IO stuff */ + printf("\tPIO: "); + /* If a drive supports mode n (e.g. 3), it also supports all modes less + * than n (e.g. 3, 2, 1 and 0). Print all the modes. */ + if ((val[WHATS_VALID] & OK_W64_70) && (val[ADV_PIO_MODES] & PIO_SUP)) { + jj = ((val[ADV_PIO_MODES] & PIO_SUP) << 3) | 0x0007; + for (ii = 0; ii <= PIO_MODE_MAX; ii++) { + if (jj & 0x0001) printf("pio%d ", ii); + jj >>=1; + } + bb_putchar('\n'); + } else if (((min_std < 5) || (eqpt == CDROM)) && (val[PIO_MODE] & MODE)) { + for (ii = 0; ii <= val[PIO_MODE]>>8; ii++) + printf("pio%d ", ii); + bb_putchar('\n'); + } else + puts("unknown"); + + 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]); + bb_putchar('\n'); + } + } + + if ((val[CMDS_SUPP_1] & VALID) == VALID_VAL) { + printf("Commands/features:\n\tEnabled\tSupported:\n"); + jj = val[CMDS_SUPP_0]; + kk = val[CMDS_EN_0]; + for (ii = 0; ii < NUM_CMD_FEAT_STR; ii++) { + const char *feat_str = nth_string(cmd_feat_str, ii); + if ((jj & 0x8000) && (*feat_str != '\0')) { + printf("\t%s\t%s\n", (kk & 0x8000) ? " *" : "", feat_str); + } + 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", nth_string(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" : "", nth_string(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) { + bb_putchar('\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 "); + bb_putchar('\n'); + } + } + + /* reset result */ + jj = val[HWRST_RSLT]; + if ((jj & VALID) == VALID_VAL) { + oo = (jj & RST0); + if (!oo) + 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 + +// 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 cfg_str[] ALIGN1 = + """\0" "HardSect""\0" "SoftSect""\0" "NotMFM""\0" + "HdSw>15uSec""\0" "SpinMotCtl""\0" "Fixed""\0" "Removeable""\0" + "DTR<=5Mbs""\0" "DTR>5Mbs""\0" "DTR>10Mbs""\0" "RotSpdTol>.5%""\0" + "dStbOff""\0" "TrkOff""\0" "FmtGapReq""\0" "nonMagnetic" +; + +static const char BuffType[] ALIGN1 = + "unknown""\0" "1Sect""\0" "DualPort""\0" "DualPortCache" +; + +static void dump_identity(const struct hd_driveid *id) +{ + int i; + const unsigned short *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", nth_string(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, nth_string(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"); + } + bb_putchar('\n'); + + 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) { + static const masks_labels_t pio_modes = { + .masks = { 1, 2, ~3 }, + .labels = "pio3 \0""pio4 \0""pio? \0", + }; + print_flags(&pio_modes, id->eide_pio_modes); + } + if (id->capability & 1) { + if (id->dma_1word | id->dma_mword) { + static const int dma_wmode_masks[] = { 0x100, 1, 0x200, 2, 0x400, 4, 0xf800, 0xf8 }; + printf("\n DMA modes: "); + print_flags_separated(dma_wmode_masks, + "*\0""sdma0 \0""*\0""sdma1 \0""*\0""sdma2 \0""*\0""sdma? \0", + id->dma_1word, NULL); + print_flags_separated(dma_wmode_masks, + "*\0""mdma0\0""*\0""mdma1\0""*\0""mdma2\0""*\0""mdma?\0", + id->dma_mword, NULL); + } + } + if (((id->capability & 8) || (id->field_valid & 2)) && id->field_valid & 4) { + static const masks_labels_t ultra_modes1 = { + .masks = { 0x100, 0x001, 0x200, 0x002, 0x400, 0x004 }, + .labels = "*\0""udma0 \0""*\0""udma1 \0""*\0""udma2 \0", + }; + + printf("\n UDMA modes: "); + print_flags(&ultra_modes1, id->dma_ultra); +#ifdef __NEW_HD_DRIVE_ID + if (id->hw_config & 0x2000) { +#else /* !__NEW_HD_DRIVE_ID */ + if (id->word93 & 0x2000) { +#endif /* __NEW_HD_DRIVE_ID */ + static const masks_labels_t ultra_modes2 = { + .masks = { 0x0800, 0x0008, 0x1000, 0x0010, + 0x2000, 0x0020, 0x4000, 0x0040, + 0x8000, 0x0080 }, + .labels = "*\0""udma3 \0""*\0""udma4 \0" + "*\0""udma5 \0""*\0""udma6 \0" + "*\0""udma7 \0" + }; + print_flags(&ultra_modes2, id->dma_ultra); + } + } + 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) ? nth_string(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*/ void) +{ + 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 void seek_to_zero(/*int fd*/ void) +{ + xlseek(fd, (off_t) 0, SEEK_SET); +} + +static void read_big_block(/*int fd,*/ char *buf) +{ + int i; + + xread(fd, buf, TIMING_BUF_BYTES); + /* access all sectors of buf to ensure the read fully completed */ + for (i = 0; i < TIMING_BUF_BYTES; i += 512) + buf[i] &= 1; +} + +static unsigned dev_size_mb(/*int fd*/ void) +{ + union { + unsigned long long blksize64; + unsigned blksize32; + } u; + + if (0 == ioctl(fd, BLKGETSIZE64, &u.blksize64)) { // bytes + u.blksize64 /= (1024 * 1024); + } else { + xioctl(fd, BLKGETSIZE, &u.blksize32); // sectors + u.blksize64 = u.blksize32 / (2 * 1024); + } + if (u.blksize64 > UINT_MAX) + return UINT_MAX; + return u.blksize64; +} + +static void print_timing(unsigned m, unsigned elapsed_us) +{ + unsigned sec = elapsed_us / 1000000; + unsigned hs = (elapsed_us % 1000000) / 10000; + + printf("%5u MB in %u.%02u seconds = %u kB/s\n", + m, sec, hs, + /* "| 1" prevents div-by-0 */ + (unsigned) ((unsigned long long)m * (1024 * 1000000) / (elapsed_us | 1)) + // ~= (m * 1024) / (elapsed_us / 1000000) + // = kb / elapsed_sec + ); +} + +static void do_time(int cache /*,int fd*/) +/* cache=1: time cache: repeatedly read N MB at offset 0 + * cache=0: time device: linear read, starting at offset 0 + */ +{ + unsigned max_iterations, iterations; + unsigned start; /* doesn't need to be long long */ + unsigned elapsed, elapsed2; + unsigned total_MB; + char *buf = xmalloc(TIMING_BUF_BYTES); + + if (mlock(buf, TIMING_BUF_BYTES)) + bb_perror_msg_and_die("mlock"); + + /* Clear out the device request queues & give them time to complete. + * NB: *small* delay. User is expected to have a clue and to not run + * heavy io in parallel with measurements. */ + sync(); + sleep(1); + if (cache) { /* Time cache */ + seek_to_zero(); + read_big_block(buf); + printf("Timing buffer-cache reads: "); + } else { /* Time device */ + printf("Timing buffered disk reads:"); + } + fflush(stdout); + + /* Now do the timing */ + iterations = 0; + /* Max time to run (small for cache, avoids getting + * huge total_MB which can overlow unsigned type) */ + elapsed2 = 510000; /* cache */ + max_iterations = UINT_MAX; + if (!cache) { + elapsed2 = 3000000; /* not cache */ + /* Don't want to read past the end! */ + max_iterations = dev_size_mb() / TIMING_BUF_MB; + } + start = monotonic_us(); + do { + if (cache) + seek_to_zero(); + read_big_block(buf); + elapsed = (unsigned)monotonic_us() - start; + ++iterations; + } while (elapsed < elapsed2 && iterations < max_iterations); + total_MB = iterations * TIMING_BUF_MB; + //printf(" elapsed:%u iterations:%u ", elapsed, iterations); + if (cache) { + /* Cache: remove lseek() and monotonic_us() overheads + * from elapsed */ + start = monotonic_us(); + do { + seek_to_zero(); + elapsed2 = (unsigned)monotonic_us() - start; + } while (--iterations); + //printf(" elapsed2:%u ", elapsed2); + elapsed -= elapsed2; + total_MB *= 2; // BUFCACHE_FACTOR (why?) + flush_buffer_cache(); + } + print_timing(total_MB, elapsed); + munlock(buf, TIMING_BUF_BYTES); + free(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(uint8_t standby) +{ + printf(" ("); + if (standby == 0) { + printf("off"); + } else if (standby <= 240 || standby == 252 || standby == 255) { + /* standby is in 5 sec units */ + printf("%u minutes %u seconds", standby / 12, (standby*5) % 60); + } else if (standby <= 251) { + unsigned t = (standby - 240); /* t is in 30 min units */; + printf("%u.%c hours", t / 2, (t & 1) ? '0' : '5'); + } + if (standby == 253) + printf("vendor-specific"); + if (standby == 254) + printf("reserved"); + 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; + unsigned 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);*/ + xmove_fd(xopen(devname, O_RDONLY | O_NONBLOCK), fd); + 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 */ +#ifdef HDIO_SET_QDMA + 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); + } +#endif + 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 +#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(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(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(); + if (-1 == read(fd, buf, sizeof(buf))) + bb_perror_msg("read(%d bytes) failed (rc=-1)", sizeof(buf)); + } +#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, &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 +#ifdef HDIO_GET_QDMA + if (get_dma_q) { + if (!ioctl_or_warn(fd, HDIO_GET_QDMA, &parm)) + print_value_on_off("queue_depth", parm); + } +#endif + if (get_keep) { + if (!ioctl_or_warn(fd, HDIO_GET_KEEPSETTINGS, &parm)) + print_value_on_off("keepsettings", parm); + } + + if (get_nowerr) { + if (!ioctl_or_warn(fd, HDIO_GET_NOWERR, &parm)) + print_value_on_off("nowerr", parm); + } + if (get_readonly) { + if (!ioctl_or_warn(fd, BLKROGET, &parm)) + print_value_on_off("readonly", parm); + } + if (get_readahead) { + if (!ioctl_or_warn(fd, BLKRAGET, &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(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(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(1 /*,fd*/); /* time cache */ + if (do_timings) + do_time(0 /*,fd*/); /* time device */ + if (do_flush) + flush_buffer_cache(); + 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) NORETURN; +static void identify_from_stdin(void) +{ + uint16_t sbuf[256]; + unsigned char buf[1280]; + unsigned char *b = (unsigned char *)buf; + int i; + + xread(STDIN_FILENO, 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); +} +#else +void identify_from_stdin(void); +#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:tT" + 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) MAIN_EXTERNALLY_VISIBLE; +int hdparm_main(int argc, char **argv) +{ + int c; + int flagcount = 0; + + while ((c = getopt(argc, argv, hdparm_options)) >= 0) { + flagcount++; + 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, 255); + 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 */ + bb_show_usage(); + } + + do { + process_dev(*argv++); + } while (*argv); + + return EXIT_SUCCESS; +} |