/* 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 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 */ //config:config HDPARM //config: bool "hdparm (23 kb)" //config: default y //config: select PLATFORM_LINUX //config: help //config: Get/Set hard drive parameters. Primarily intended for ATA //config: drives. //config: //config:config FEATURE_HDPARM_GET_IDENTITY //config: bool "Support obtaining detailed information directly from drives" //config: default y //config: depends on HDPARM //config: help //config: Enable the -I and -i options to obtain detailed information //config: directly from drives about their capabilities and supported ATA //config: feature set. If no device name is specified, hdparm will read //config: identify data from stdin. Enabling this option will add about 16k... //config: //config:config FEATURE_HDPARM_HDIO_SCAN_HWIF //config: bool "Register an IDE interface (DANGEROUS)" //config: default y //config: depends on HDPARM //config: help //config: Enable the 'hdparm -R' option to register an IDE interface. //config: This is dangerous stuff, so you should probably say N. //config: //config:config FEATURE_HDPARM_HDIO_UNREGISTER_HWIF //config: bool "Un-register an IDE interface (DANGEROUS)" //config: default y //config: depends on HDPARM //config: help //config: Enable the 'hdparm -U' option to un-register an IDE interface. //config: This is dangerous stuff, so you should probably say N. //config: //config:config FEATURE_HDPARM_HDIO_DRIVE_RESET //config: bool "Perform device reset (DANGEROUS)" //config: default y //config: depends on HDPARM //config: help //config: Enable the 'hdparm -w' option to perform a device reset. //config: This is dangerous stuff, so you should probably say N. //config: //config:config FEATURE_HDPARM_HDIO_TRISTATE_HWIF //config: bool "Tristate device for hotswap (DANGEROUS)" //config: default y //config: depends on HDPARM //config: help //config: Enable the 'hdparm -x' option to tristate device for hotswap, //config: and the '-b' option to get/set bus state. This is dangerous //config: stuff, so you should probably say N. //config: //config:config FEATURE_HDPARM_HDIO_GETSET_DMA //config: bool "Get/set using_dma flag" //config: default y //config: depends on HDPARM //config: help //config: Enable the 'hdparm -d' option to get/set using_dma flag. //applet:IF_HDPARM(APPLET(hdparm, BB_DIR_SBIN, BB_SUID_DROP)) //kbuild:lib-$(CONFIG_HDPARM) += hdparm.o //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" #include "common_bufsiz.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) #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 { \ setup_common_bufsiz(); \ BUILD_BUG_ON(sizeof(G) > COMMON_BUFSIZE); \ } 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 %lu", s, arg); on_off(arg); } } static void print_value_on_off(const char *str, unsigned long argp) { printf(" %s\t= %2lu", 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)) puts("powers-up in standby; SET FEATURES subcmd spins-up."); if (((val[CONFIG]==STBY_NID_VAL) || (val[CONFIG]==PWRD_NID_VAL)) && (val[GEN_CONFIG] & INCOMPLETE)) puts("\n\tWARNING: ID response incomplete.\n\tFollowing data may be incorrect.\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; puts("Configuration:"); /* 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])) puts("\tCHS addressing not supported"); 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 puts("no IORDY"); 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)) puts("not supported"); 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 puts("?"); } 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)) puts("\tATA sw reset required"); 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)) puts("not supported"); 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)) puts("\t\tInterleaved DMA support"); 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) { puts("Commands/features:\n" "\tEnabled\tSupported:"); 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]) ) { puts("Security:"); 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 NOINLINE 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 */ puts("\n\n * current active mode\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_all(); /* 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) puts(" (tristate)"); else printf(" (unknown: %u)\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 */ unsigned t = standby * 5; printf("%u minutes %u seconds", t / 60, t % 60); } else if (standby <= 251) { unsigned t = (standby - 240); /* t is in 30 min units */; printf("%u.%c hours", t / 2, (t & 1) ? '5' : '0'); } if (standby == 253) printf("vendor-specific"); if (standby == 254) printf("reserved"); puts(")"); } 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"); puts(")"); } #endif /* HDIO_DRIVE_CMD */ static void print_flag(int flag, const char *s, unsigned long value) { if (flag) printf(" setting %s to %lu\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_nonblocking(devname);*/ xmove_fd(xopen_nonblocking(devname), fd); printf("\n%s:\n", devname); if (getset_readahead == IS_SET) { print_flag(getset_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 == IS_SET) { 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) puts("auto-tune PIO mode"); 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 (getset_io32bit == IS_SET) { print_flag(getset_io32bit, "32-bit IO_support flag", io32bit); ioctl_or_warn(fd, HDIO_SET_32BIT, (int *)io32bit); } if (getset_mult == IS_SET) { print_flag(getset_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 (getset_readonly == IS_SET) { print_flag_on_off(getset_readonly, "readonly", readonly); ioctl_or_warn(fd, BLKROSET, &readonly); } if (getset_unmask == IS_SET) { print_flag_on_off(getset_unmask, "unmaskirq", unmask); ioctl_or_warn(fd, HDIO_SET_UNMASKINTR, (int *)unmask); } #if ENABLE_FEATURE_HDPARM_HDIO_GETSET_DMA if (getset_dma == IS_SET) { print_flag_on_off(getset_dma, "using_dma", dma); ioctl_or_warn(fd, HDIO_SET_DMA, (int *)dma); } #endif /* FEATURE_HDPARM_HDIO_GETSET_DMA */ #ifdef HDIO_SET_QDMA if (getset_dma_q == IS_SET) { print_flag_on_off(getset_dma_q, "DMA queue_depth", dma_q); ioctl_or_warn(fd, HDIO_SET_QDMA, (int *)dma_q); } #endif if (getset_nowerr == IS_SET) { print_flag_on_off(getset_nowerr, "nowerr", nowerr); ioctl_or_warn(fd, HDIO_SET_NOWERR, (int *)nowerr); } if (getset_keep == IS_SET) { print_flag_on_off(getset_keep, "keep_settings", keep); ioctl_or_warn(fd, HDIO_SET_KEEPSETTINGS, (int *)keep); } #ifdef HDIO_DRIVE_CMD if (getset_doorlock == IS_SET) { args[0] = doorlock ? WIN_DOORLOCK : WIN_DOORUNLOCK; args[2] = 0; print_flag_on_off(getset_doorlock, "drive doorlock", doorlock); ioctl_or_warn(fd, HDIO_DRIVE_CMD, &args); args[0] = WIN_SETFEATURES; } if (getset_dkeep == IS_SET) { /* lock/unlock the drive's "feature" settings */ print_flag_on_off(getset_dkeep, "drive keep features", dkeep); args[2] = dkeep ? 0x66 : 0xcc; ioctl_or_warn(fd, HDIO_DRIVE_CMD, &args); } if (getset_defects == IS_SET) { args[2] = defects ? 0x04 : 0x84; print_flag(getset_defects, "drive defect-mgmt", defects); ioctl_or_warn(fd, HDIO_DRIVE_CMD, &args); } if (getset_prefetch == IS_SET) { args[1] = prefetch; args[2] = 0xab; print_flag(getset_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; print_flag(1, "xfermode", xfermode_requested); interpret_xfermode(xfermode_requested); ioctl_or_warn(fd, HDIO_DRIVE_CMD, &args); args[1] = 0; } if (getset_lookahead == IS_SET) { args[2] = lookahead ? 0xaa : 0x55; print_flag_on_off(getset_lookahead, "drive read-lookahead", lookahead); ioctl_or_warn(fd, HDIO_DRIVE_CMD, &args); } if (getset_apmmode == IS_SET) { /* feature register */ args[2] = (apmmode == 255) ? 0x85 /* disable */ : 0x05 /* set */; args[1] = apmmode; /* sector count register 1-255 */ 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 (getset_wcache == IS_SET) { #ifdef DO_FLUSHCACHE #ifndef WIN_FLUSHCACHE #define WIN_FLUSHCACHE 0xe7 #endif #endif /* DO_FLUSHCACHE */ args[2] = wcache ? 0x02 : 0x82; print_flag_on_off(getset_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 puts(" issuing standby command"); 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 puts(" issuing sleep command"); args[0] = WIN_SLEEPNOW1; ioctl_alt_or_warn(HDIO_DRIVE_CMD, args, WIN_SLEEPNOW2); } if (set_seagate) { args[0] = 0xfb; puts(" disabling Seagate auto powersaving mode"); ioctl_or_warn(fd, HDIO_DRIVE_CMD, &args); } if (getset_standby == IS_SET) { args[0] = WIN_SETIDLE1; args[1] = standby_requested; 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 of 512 bytes failed"); } #endif /* HDIO_DRIVE_CMD */ if (getset_mult || get_identity) { multcount = -1; if (ioctl(fd, HDIO_GET_MULTCOUNT, &multcount)) { /* To be coherent with ioctl_or_warn. */ if (getset_mult && ENABLE_IOCTL_HEX2STR_ERROR) bb_perror_msg("HDIO_GET_MULTCOUNT"); else bb_perror_msg("ioctl %#x failed", HDIO_GET_MULTCOUNT); } else if (getset_mult) { printf(fmt, "multcount", multcount); on_off(multcount != 0); } } if (getset_io32bit) { if (!ioctl_or_warn(fd, HDIO_GET_32BIT, &parm)) { printf(" IO_support\t=%3ld (", parm); if (parm == 0) puts("default 16-bit)"); else if (parm == 2) puts("16-bit)"); else if (parm == 1) puts("32-bit)"); else if (parm == 3) puts("32-bit w/sync)"); else if (parm == 8) puts("Request-Queue-Bypass)"); else puts("\?\?\?)"); } } if (getset_unmask) { if (!ioctl_or_warn(fd, HDIO_GET_UNMASKINTR, &parm)) print_value_on_off("unmaskirq", parm); } #if ENABLE_FEATURE_HDPARM_HDIO_GETSET_DMA if (getset_dma) { if (!ioctl_or_warn(fd, HDIO_GET_DMA, &parm)) { printf(fmt, "using_dma", parm); if (parm == 8) puts(" (DMA-Assisted-PIO)"); else on_off(parm != 0); } } #endif #ifdef HDIO_GET_QDMA if (getset_dma_q) { if (!ioctl_or_warn(fd, HDIO_GET_QDMA, &parm)) print_value_on_off("queue_depth", parm); } #endif if (getset_keep) { if (!ioctl_or_warn(fd, HDIO_GET_KEEPSETTINGS, &parm)) print_value_on_off("keepsettings", parm); } if (getset_nowerr) { if (!ioctl_or_warn(fd, HDIO_GET_NOWERR, &parm)) print_value_on_off("nowerr", parm); } if (getset_readonly) { if (!ioctl_or_warn(fd, BLKROGET, &parm)) print_value_on_off("readonly", parm); } if (getset_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) puts(" no identification info available"); 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 (getset_busstate == IS_SET) { print_flag(1, "bus state", busstate); bus_state_value(busstate); ioctl_or_warn(fd, HDIO_SET_BUSSTATE, (int *)(unsigned long)busstate); } if (getset_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 int parse_opts(unsigned long *value, int min, int max) { if (optarg) { *value = xatol_range(optarg, min, max); return IS_SET; } return IS_GET; } static int parse_opts_0_max(unsigned long *value, int max) { return parse_opts(value, 0, max); } static int parse_opts_0_1(unsigned long *value) { return parse_opts(value, 0, 1); } static int parse_opts_0_INTMAX(unsigned long *value) { return parse_opts(value, 0, INT_MAX); } static void parse_xfermode(int flag, smallint *get, smallint *set, int *value) { if (flag) { *get = IS_GET; 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" IF_FEATURE_HDPARM_GET_IDENTITY("iI") IF_FEATURE_HDPARM_HDIO_GETSET_DMA("d::") #ifdef HDIO_DRIVE_CMD "S:D:P:X:K:A:L:W:CyYzZ" #endif IF_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF("U:") #ifdef HDIO_GET_QDMA #ifdef HDIO_SET_QDMA "Q:" #else "Q" #endif #endif IF_FEATURE_HDPARM_HDIO_DRIVE_RESET("w") IF_FEATURE_HDPARM_HDIO_TRISTATE_HWIF("x::b:") IF_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; INIT_G(); while ((c = getopt(argc, argv, hdparm_options)) >= 0) { flagcount++; IF_FEATURE_HDPARM_GET_IDENTITY(get_IDentity |= (c == 'I')); IF_FEATURE_HDPARM_GET_IDENTITY(get_identity |= (c == 'i')); get_geom |= (c == 'g'); do_flush |= (c == 'f'); if (c == 'u') getset_unmask = parse_opts_0_1(&unmask); IF_FEATURE_HDPARM_HDIO_GETSET_DMA( if (c == 'd') getset_dma = parse_opts_0_max(&dma, 9); ) if (c == 'n') getset_nowerr = parse_opts_0_1(&nowerr); parse_xfermode((c == 'p'), &noisy_piomode, &set_piomode, &piomode); if (c == 'r') getset_readonly = parse_opts_0_1(&readonly); if (c == 'm') getset_mult = parse_opts_0_INTMAX(&mult /*32*/); if (c == 'c') getset_io32bit = parse_opts_0_INTMAX(&io32bit /*8*/); if (c == 'k') getset_keep = parse_opts_0_1(&keep); if (c == 'a') getset_readahead = parse_opts_0_INTMAX(&Xreadahead); if (c == 'B') getset_apmmode = parse_opts(&apmmode, 1, 255); do_flush |= do_timings |= (c == 't'); do_flush |= do_ctimings |= (c == 'T'); #ifdef HDIO_DRIVE_CMD if (c == 'S') getset_standby = parse_opts_0_max(&standby_requested, 255); if (c == 'D') getset_defects = parse_opts_0_INTMAX(&defects); if (c == 'P') getset_prefetch = parse_opts_0_INTMAX(&prefetch); parse_xfermode((c == 'X'), &get_xfermode, &set_xfermode, &xfermode_requested); if (c == 'K') getset_dkeep = parse_opts_0_1(&prefetch); if (c == 'A') getset_lookahead = parse_opts_0_1(&lookahead); if (c == 'L') getset_doorlock = parse_opts_0_1(&doorlock); if (c == 'W') getset_wcache = parse_opts_0_1(&wcache); get_powermode |= (c == 'C'); set_standbynow |= (c == 'y'); set_sleepnow |= (c == 'Y'); reread_partn |= (c == 'z'); set_seagate |= (c == 'Z'); #endif IF_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF(if (c == 'U') unregister_hwif = parse_opts_0_INTMAX(&hwif)); #ifdef HDIO_GET_QDMA if (c == 'Q') { getset_dma_q = parse_opts_0_INTMAX(&dma_q); } #endif IF_FEATURE_HDPARM_HDIO_DRIVE_RESET(perform_reset = (c == 'r')); IF_FEATURE_HDPARM_HDIO_TRISTATE_HWIF(if (c == 'x') perform_tristate = parse_opts_0_1(&tristate)); IF_FEATURE_HDPARM_HDIO_TRISTATE_HWIF(if (c == 'b') getset_busstate = parse_opts_0_max(&busstate, 2)); #if ENABLE_FEATURE_HDPARM_HDIO_SCAN_HWIF if (c == 'R') { scan_hwif = parse_opts_0_INTMAX(&hwif_data); hwif_ctrl = xatoi_positive((argv[optind]) ? argv[optind] : ""); hwif_irq = xatoi_positive((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) { getset_mult = getset_io32bit = getset_unmask = getset_keep = getset_readonly = getset_readahead = get_geom = IS_GET; IF_FEATURE_HDPARM_HDIO_GETSET_DMA(getset_dma = IS_GET); } 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; }