--- /dev/null
+/* vi: set sw=4 ts=4: */
+/*
+ * hdparm implementation for busybox
+ *
+ *
+ * Copyright (C) [2003] by [Matteo Croce] <pinnolo@tin.it>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ * 02111-1307 USA
+ *
+ *
+ * This program is based on the source code of hdparm: see below...
+ * hdparm.c - Command line interface to get/set hard disk parameters
+ * - by Mark Lord (C) 1994-2002 -- freely distributable
+ */
+
+#include <unistd.h>
+#include <string.h>
+#include <stdlib.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <ctype.h>
+#include <endian.h>
+#include <sys/ioctl.h>
+#include <sys/shm.h>
+#include <sys/sysmacros.h>
+#include <sys/time.h>
+#include <sys/times.h>
+#include <sys/mount.h>
+#include "busybox.h"
+#include <linux/types.h>
+#include <linux/hdreg.h>
+#include <linux/major.h>
+#include <asm/byteorder.h>
+
+
+#if __BYTE_ORDER == __BIG_ENDIAN
+#define __USE_XOPEN
+#endif
+
+/* device types */
+/* ------------ */
+#define NO_DEV 0xffff
+#define ATA_DEV 0x0000
+#define ATAPI_DEV 0x0001
+
+/* word definitions */
+/* ---------------- */
+#define GEN_CONFIG 0 /* general configuration */
+#define LCYLS 1 /* number of logical cylinders */
+#define CONFIG 2 /* specific configuration */
+#define LHEADS 3 /* number of logical heads */
+#define TRACK_BYTES 4 /* number of bytes/track (ATA-1) */
+#define SECT_BYTES 5 /* number of bytes/sector (ATA-1) */
+#define LSECTS 6 /* number of logical sectors/track */
+#define START_SERIAL 10 /* ASCII serial number */
+#define LENGTH_SERIAL 10 /* 10 words (20 bytes or characters) */
+#define BUF_TYPE 20 /* buffer type (ATA-1) */
+#define BUFFER__SIZE 21 /* buffer size (ATA-1) */
+#define RW_LONG 22 /* extra bytes in R/W LONG cmd ( < ATA-4)*/
+#define START_FW_REV 23 /* ASCII firmware revision */
+#define LENGTH_FW_REV 4 /* 4 words (8 bytes or characters) */
+#define START_MODEL 27 /* ASCII model number */
+#define LENGTH_MODEL 20 /* 20 words (40 bytes or characters) */
+#define SECTOR_XFER_MAX 47 /* r/w multiple: max sectors xfered */
+#define DWORD_IO 48 /* can do double-word IO (ATA-1 only) */
+#define CAPAB_0 49 /* capabilities */
+#define CAPAB_1 50
+#define PIO_MODE 51 /* max PIO mode supported (obsolete)*/
+#define DMA_MODE 52 /* max Singleword DMA mode supported (obs)*/
+#define WHATS_VALID 53 /* what fields are valid */
+#define LCYLS_CUR 54 /* current logical cylinders */
+#define LHEADS_CUR 55 /* current logical heads */
+#define LSECTS_CUR 56 /* current logical sectors/track */
+#define CAPACITY_LSB 57 /* current capacity in sectors */
+#define CAPACITY_MSB 58
+#define SECTOR_XFER_CUR 59 /* r/w multiple: current sectors xfered */
+#define LBA_SECTS_LSB 60 /* LBA: total number of user */
+#define LBA_SECTS_MSB 61 /* addressable sectors */
+#define SINGLE_DMA 62 /* singleword DMA modes */
+#define MULTI_DMA 63 /* multiword DMA modes */
+#define ADV_PIO_MODES 64 /* advanced PIO modes supported */
+ /* multiword DMA xfer cycle time: */
+#define DMA_TIME_MIN 65 /* - minimum */
+#define DMA_TIME_NORM 66 /* - manufacturer's recommended */
+ /* minimum PIO xfer cycle time: */
+#define PIO_NO_FLOW 67 /* - without flow control */
+#define PIO_FLOW 68 /* - with IORDY flow control */
+#define PKT_REL 71 /* typical #ns from PKT cmd to bus rel */
+#define SVC_NBSY 72 /* typical #ns from SERVICE cmd to !BSY */
+#define CDR_MAJOR 73 /* CD ROM: major version number */
+#define CDR_MINOR 74 /* CD ROM: minor version number */
+#define QUEUE_DEPTH 75 /* queue depth */
+#define MAJOR 80 /* major version number */
+#define MINOR 81 /* minor version number */
+#define CMDS_SUPP_0 82 /* command/feature set(s) supported */
+#define CMDS_SUPP_1 83
+#define CMDS_SUPP_2 84
+#define CMDS_EN_0 85 /* command/feature set(s) enabled */
+#define CMDS_EN_1 86
+#define CMDS_EN_2 87
+#define ULTRA_DMA 88 /* ultra DMA modes */
+ /* time to complete security erase */
+#define ERASE_TIME 89 /* - ordinary */
+#define ENH_ERASE_TIME 90 /* - enhanced */
+#define ADV_PWR 91 /* current advanced power management level
+ in low byte, 0x40 in high byte. */
+#define PSWD_CODE 92 /* master password revision code */
+#define HWRST_RSLT 93 /* hardware reset result */
+#define ACOUSTIC 94 /* acoustic mgmt values ( >= ATA-6) */
+#define LBA_LSB 100 /* LBA: maximum. Currently only 48 */
+#define LBA_MID 101 /* bits are used, but addr 103 */
+#define LBA_48_MSB 102 /* has been reserved for LBA in */
+#define LBA_64_MSB 103 /* the future. */
+#define RM_STAT 127 /* removable media status notification feature set support */
+#define SECU_STATUS 128 /* security status */
+#define CFA_PWR_MODE 160 /* CFA power mode 1 */
+#define START_MEDIA 176 /* media serial number */
+#define LENGTH_MEDIA 20 /* 20 words (40 bytes or characters)*/
+#define START_MANUF 196 /* media manufacturer I.D. */
+#define LENGTH_MANUF 10 /* 10 words (20 bytes or characters) */
+#define INTEGRITY 255 /* integrity word */
+
+/* bit definitions within the words */
+/* -------------------------------- */
+
+/* many words are considered valid if bit 15 is 0 and bit 14 is 1 */
+#define VALID 0xc000
+#define VALID_VAL 0x4000
+/* many words are considered invalid if they are either all-0 or all-1 */
+#define NOVAL_0 0x0000
+#define NOVAL_1 0xffff
+
+/* word 0: gen_config */
+#define NOT_ATA 0x8000
+#define NOT_ATAPI 0x4000 /* (check only if bit 15 == 1) */
+#define MEDIA_REMOVABLE 0x0080
+#define DRIVE_NOT_REMOVABLE 0x0040 /* bit obsoleted in ATA 6 */
+#define INCOMPLETE 0x0004
+#define CFA_SUPPORT_VAL 0x848a /* 848a=CFA feature set support */
+#define DRQ_RESPONSE_TIME 0x0060
+#define DRQ_3MS_VAL 0x0000
+#define DRQ_INTR_VAL 0x0020
+#define DRQ_50US_VAL 0x0040
+#define PKT_SIZE_SUPPORTED 0x0003
+#define PKT_SIZE_12_VAL 0x0000
+#define PKT_SIZE_16_VAL 0x0001
+#define EQPT_TYPE 0x1f00
+#define SHIFT_EQPT 8
+
+#define CDROM 0x0005
+
+#ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
+static const char *pkt_str[] = {
+ "Direct-access device", /* word 0, bits 12-8 = 00 */
+ "Sequential-access device", /* word 0, bits 12-8 = 01 */
+ "Printer", /* word 0, bits 12-8 = 02 */
+ "Processor", /* word 0, bits 12-8 = 03 */
+ "Write-once device", /* word 0, bits 12-8 = 04 */
+ "CD-ROM", /* word 0, bits 12-8 = 05 */
+ "Scanner", /* word 0, bits 12-8 = 06 */
+ "Optical memory", /* word 0, bits 12-8 = 07 */
+ "Medium changer", /* word 0, bits 12-8 = 08 */
+ "Communications device", /* word 0, bits 12-8 = 09 */
+ "ACS-IT8 device", /* word 0, bits 12-8 = 0a */
+ "ACS-IT8 device", /* word 0, bits 12-8 = 0b */
+ "Array controller", /* word 0, bits 12-8 = 0c */
+ "Enclosure services", /* word 0, bits 12-8 = 0d */
+ "Reduced block command device", /* word 0, bits 12-8 = 0e */
+ "Optical card reader/writer", /* word 0, bits 12-8 = 0f */
+ "", /* word 0, bits 12-8 = 10 */
+ "", /* word 0, bits 12-8 = 11 */
+ "", /* word 0, bits 12-8 = 12 */
+ "", /* word 0, bits 12-8 = 13 */
+ "", /* word 0, bits 12-8 = 14 */
+ "", /* word 0, bits 12-8 = 15 */
+ "", /* word 0, bits 12-8 = 16 */
+ "", /* word 0, bits 12-8 = 17 */
+ "", /* word 0, bits 12-8 = 18 */
+ "", /* word 0, bits 12-8 = 19 */
+ "", /* word 0, bits 12-8 = 1a */
+ "", /* word 0, bits 12-8 = 1b */
+ "", /* word 0, bits 12-8 = 1c */
+ "", /* word 0, bits 12-8 = 1d */
+ "", /* word 0, bits 12-8 = 1e */
+ "Unknown", /* word 0, bits 12-8 = 1f */
+};
+static const char *ata1_cfg_str[] = { /* word 0 in ATA-1 mode */
+ "reserved", /* bit 0 */
+ "hard sectored", /* bit 1 */
+ "soft sectored", /* bit 2 */
+ "not MFM encoded ", /* bit 3 */
+ "head switch time > 15us", /* bit 4 */
+ "spindle motor control option", /* bit 5 */
+ "fixed drive", /* bit 6 */
+ "removable drive", /* bit 7 */
+ "disk xfer rate <= 5Mbs", /* bit 8 */
+ "disk xfer rate > 5Mbs, <= 10Mbs", /* bit 9 */
+ "disk xfer rate > 5Mbs", /* bit 10 */
+ "rotational speed tol.", /* bit 11 */
+ "data strobe offset option", /* bit 12 */
+ "track offset option", /* bit 13 */
+ "format speed tolerance gap reqd", /* bit 14 */
+ "ATAPI" /* bit 14 */
+};
+#endif
+
+/* word 1: number of logical cylinders */
+#define LCYLS_MAX 0x3fff /* maximum allowable value */
+
+/* word 2: specific configureation
+ * (a) require SET FEATURES to spin-up
+ * (b) require spin-up to fully reply to IDENTIFY DEVICE
+ */
+#define STBY_NID_VAL 0x37c8 /* (a) and (b) */
+#define STBY_ID_VAL 0x738c /* (a) and not (b) */
+#define PWRD_NID_VAL 0x8c73 /* not (a) and (b) */
+#define PWRD_ID_VAL 0xc837 /* not (a) and not (b) */
+
+/* words 47 & 59: sector_xfer_max & sector_xfer_cur */
+#define SECTOR_XFER 0x00ff /* sectors xfered on r/w multiple cmds*/
+#define MULTIPLE_SETTING_VALID 0x0100 /* 1=multiple sector setting is valid */
+
+/* word 49: capabilities 0 */
+#define STD_STBY 0x2000 /* 1=standard values supported (ATA);
+ 0=vendor specific values */
+#define IORDY_SUP 0x0800 /* 1=support; 0=may be supported */
+#define IORDY_OFF 0x0400 /* 1=may be disabled */
+#define LBA_SUP 0x0200 /* 1=Logical Block Address support */
+#define DMA_SUP 0x0100 /* 1=Direct Memory Access support */
+#define DMA_IL_SUP 0x8000 /* 1=interleaved DMA support (ATAPI) */
+#define CMD_Q_SUP 0x4000 /* 1=command queuing support (ATAPI) */
+#define OVLP_SUP 0x2000 /* 1=overlap operation support (ATAPI) */
+#define SWRST_REQ 0x1000 /* 1=ATA SW reset required (ATAPI, obsolete */
+
+/* word 50: capabilities 1 */
+#define MIN_STANDBY_TIMER 0x0001 /* 1=device specific standby timer value minimum */
+
+/* words 51 & 52: PIO & DMA cycle times */
+#define MODE 0xff00 /* the mode is in the MSBs */
+
+/* word 53: whats_valid */
+#define OK_W88 0x0004 /* the ultra_dma info is valid */
+#define OK_W64_70 0x0002 /* see above for word descriptions */
+#define OK_W54_58 0x0001 /* current cyl, head, sector, cap. info valid */
+
+/*word 63,88: dma_mode, ultra_dma_mode*/
+#define MODE_MAX 7 /* bit definitions force udma <=7 (when
+ * udma >=8 comes out it'll have to be
+ * defined in a new dma_mode word!) */
+
+/* word 64: PIO transfer modes */
+#define PIO_SUP 0x00ff /* only bits 0 & 1 are used so far, */
+#define PIO_MODE_MAX 8 /* but all 8 bits are defined */
+
+/* word 75: queue_depth */
+#define DEPTH_BITS 0x001f /* bits used for queue depth */
+
+/* words 80-81: version numbers */
+/* NOVAL_0 or NOVAL_1 means device does not report version */
+
+/* word 81: minor version number */
+#define MINOR_MAX 0x1C
+#ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
+static const char *minor_str[] = { /* word 81 value: */
+ "device does not report version", /* 0x0000 */
+ "ATA-1 X3T9.2 781D prior to revision 4", /* 0x0001 */
+ "ATA-1 published, ANSI X3.221-1994", /* 0x0002 */
+ "ATA-1 X3T9.2 781D revision 4", /* 0x0003 */
+ "ATA-2 published, ANSI X3.279-1996", /* 0x0004 */
+ "ATA-2 X3T10 948D prior to revision 2k", /* 0x0005 */
+ "ATA-3 X3T10 2008D revision 1", /* 0x0006 */
+ "ATA-2 X3T10 948D revision 2k", /* 0x0007 */
+ "ATA-3 X3T10 2008D revision 0", /* 0x0008 */
+ "ATA-2 X3T10 948D revision 3", /* 0x0009 */
+ "ATA-3 published, ANSI X3.298-199x", /* 0x000a */
+ "ATA-3 X3T10 2008D revision 6", /* 0x000b */
+ "ATA-3 X3T13 2008D revision 7 and 7a", /* 0x000c */
+ "ATA/ATAPI-4 X3T13 1153D revision 6", /* 0x000d */
+ "ATA/ATAPI-4 T13 1153D revision 13", /* 0x000e */
+ "ATA/ATAPI-4 X3T13 1153D revision 7", /* 0x000f */
+ "ATA/ATAPI-4 T13 1153D revision 18", /* 0x0010 */
+ "ATA/ATAPI-4 T13 1153D revision 15", /* 0x0011 */
+ "ATA/ATAPI-4 published, ANSI NCITS 317-1998", /* 0x0012 */
+ "ATA/ATAPI-5 T13 1321D revision 3",
+ "ATA/ATAPI-4 T13 1153D revision 14", /* 0x0014 */
+ "ATA/ATAPI-5 T13 1321D revision 1", /* 0x0015 */
+ "ATA/ATAPI-5 published, ANSI NCITS 340-2000", /* 0x0016 */
+ "ATA/ATAPI-4 T13 1153D revision 17", /* 0x0017 */
+ "ATA/ATAPI-6 T13 1410D revision 0", /* 0x0018 */
+ "ATA/ATAPI-6 T13 1410D revision 3a", /* 0x0019 */
+ "Reserved", /* 0x001a */
+ "ATA/ATAPI-6 T13 1410D revision 2", /* 0x001b */
+ "ATA/ATAPI-6 T13 1410D revision 1", /* 0x001c */
+ "reserved" /* 0x001d */
+ "reserved" /* 0x001e */
+ "reserved" /* 0x001f-0xfffe*/
+};
+#endif
+static const char actual_ver[] = {
+ /* word 81 value: */
+ 0, /* 0x0000 WARNING: */
+ 1, /* 0x0001 WARNING: */
+ 1, /* 0x0002 WARNING: */
+ 1, /* 0x0003 WARNING: */
+ 2, /* 0x0004 WARNING: This array */
+ 2, /* 0x0005 WARNING: corresponds */
+ 3, /* 0x0006 WARNING: *exactly* */
+ 2, /* 0x0007 WARNING: to the ATA/ */
+ 3, /* 0x0008 WARNING: ATAPI version */
+ 2, /* 0x0009 WARNING: listed in */
+ 3, /* 0x000a WARNING: the */
+ 3, /* 0x000b WARNING: minor_str */
+ 3, /* 0x000c WARNING: array */
+ 4, /* 0x000d WARNING: above. */
+ 4, /* 0x000e WARNING: */
+ 4, /* 0x000f WARNING: if you change */
+ 4, /* 0x0010 WARNING: that one, */
+ 4, /* 0x0011 WARNING: change this one */
+ 4, /* 0x0012 WARNING: too!!! */
+ 5, /* 0x0013 WARNING: */
+ 4, /* 0x0014 WARNING: */
+ 5, /* 0x0015 WARNING: */
+ 5, /* 0x0016 WARNING: */
+ 4, /* 0x0017 WARNING: */
+ 6, /* 0x0018 WARNING: */
+ 6, /* 0x0019 WARNING: */
+ 0, /* 0x001a WARNING: */
+ 6, /* 0x001b WARNING: */
+ 6, /* 0x001c WARNING: */
+ 0 /* 0x001d-0xfffe */
+};
+
+/* words 82-84: cmds/feats supported */
+#define CMDS_W82 0x77ff /* word 82: defined command locations*/
+#define CMDS_W83 0x3fff /* word 83: defined command locations*/
+#define CMDS_W84 0x002f /* word 83: defined command locations*/
+#define SUPPORT_48_BIT 0x0400
+#define NUM_CMD_FEAT_STR 48
+
+#ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
+static const char *cmd_feat_str[] = {
+ "", /* word 82 bit 15: obsolete */
+ "NOP cmd", /* word 82 bit 14 */
+ "READ BUFFER cmd", /* word 82 bit 13 */
+ "WRITE BUFFER cmd", /* word 82 bit 12 */
+ "", /* word 82 bit 11: obsolete */
+ "Host Protected Area feature set", /* word 82 bit 10 */
+ "DEVICE RESET cmd", /* word 82 bit 9 */
+ "SERVICE interrupt", /* word 82 bit 8 */
+ "Release interrupt", /* word 82 bit 7 */
+ "Look-ahead", /* word 82 bit 6 */
+ "Write cache", /* word 82 bit 5 */
+ "PACKET command feature set", /* word 82 bit 4 */
+ "Power Management feature set", /* word 82 bit 3 */
+ "Removable Media feature set", /* word 82 bit 2 */
+ "Security Mode feature set", /* word 82 bit 1 */
+ "SMART feature set", /* word 82 bit 0 */
+ /* --------------*/
+ "", /* word 83 bit 15: !valid bit */
+ "", /* word 83 bit 14: valid bit */
+ "FLUSH CACHE EXT command", /* word 83 bit 13 */
+ "Mandatory FLUSH CACHE command ", /* word 83 bit 12 */
+ "Device Configuration Overlay feature set ",
+ "48-bit Address feature set ", /* word 83 bit 10 */
+ "",
+ "SET MAX security extension", /* word 83 bit 8 */
+ "Address Offset Reserved Area Boot", /* word 83 bit 7 */
+ "SET FEATURES subcommand required to spinup after power up",
+ "Power-Up In Standby feature set", /* word 83 bit 5 */
+ "Removable Media Status Notification feature set",
+ "Advanced Power Management feature set",/* word 83 bit 3 */
+ "CFA feature set", /* word 83 bit 2 */
+ "READ/WRITE DMA QUEUED", /* word 83 bit 1 */
+ "DOWNLOAD MICROCODE cmd", /* word 83 bit 0 */
+ /* --------------*/
+ "", /* word 84 bit 15: !valid bit */
+ "", /* word 84 bit 14: valid bit */
+ "", /* word 84 bit 13: reserved */
+ "", /* word 84 bit 12: reserved */
+ "", /* word 84 bit 11: reserved */
+ "", /* word 84 bit 10: reserved */
+ "", /* word 84 bit 9: reserved */
+ "", /* word 84 bit 8: reserved */
+ "", /* word 84 bit 7: reserved */
+ "", /* word 84 bit 6: reserved */
+ "General Purpose Logging feature set", /* word 84 bit 5 */
+ "", /* word 84 bit 4: reserved */
+ "Media Card Pass Through Command feature set ",
+ "Media serial number ", /* word 84 bit 2 */
+ "SMART self-test ", /* word 84 bit 1 */
+ "SMART error logging " /* word 84 bit 0 */
+};
+#endif
+
+
+/* words 85-87: cmds/feats enabled */
+/* use cmd_feat_str[] to display what commands and features have
+ * been enabled with words 85-87
+ */
+
+/* words 89, 90, SECU ERASE TIME */
+#define ERASE_BITS 0x00ff
+
+/* word 92: master password revision */
+/* NOVAL_0 or NOVAL_1 means no support for master password revision */
+
+/* word 93: hw reset result */
+#define CBLID 0x2000 /* CBLID status */
+#define RST0 0x0001 /* 1=reset to device #0 */
+#define DEV_DET 0x0006 /* how device num determined */
+#define JUMPER_VAL 0x0002 /* device num determined by jumper */
+#define CSEL_VAL 0x0004 /* device num determined by CSEL_VAL */
+
+/* word 127: removable media status notification feature set support */
+#define RM_STAT_BITS 0x0003
+#define RM_STAT_SUP 0x0001
+
+/* word 128: security */
+#define SECU_ENABLED 0x0002
+#define SECU_LEVEL 0x0010
+#define NUM_SECU_STR 6
+#ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
+static const char *secu_str[] = {
+ "supported", /* word 128, bit 0 */
+ "enabled", /* word 128, bit 1 */
+ "locked", /* word 128, bit 2 */
+ "frozen", /* word 128, bit 3 */
+ "expired: security count", /* word 128, bit 4 */
+ "supported: enhanced erase" /* word 128, bit 5 */
+};
+#endif
+
+/* word 160: CFA power mode */
+#define VALID_W160 0x8000 /* 1=word valid */
+#define PWR_MODE_REQ 0x2000 /* 1=CFA power mode req'd by some cmds*/
+#define PWR_MODE_OFF 0x1000 /* 1=CFA power moded disabled */
+#define MAX_AMPS 0x0fff /* value = max current in ma */
+
+/* word 255: integrity */
+#define SIG 0x00ff /* signature location */
+#define SIG_VAL 0x00A5 /* signature value */
+
+#ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
+static uint8_t mode_loop(uint16_t mode_sup, uint16_t mode_sel, int cc, uint8_t *have_mode) {
+ uint16_t ii;
+ uint8_t err_dma = 0;
+ for(ii = 0; ii <= MODE_MAX; ii++) {
+ if(mode_sel & 0x0001) {
+ printf("*%cdma%u ",cc,ii);
+ if(*have_mode) err_dma = 1;
+ *have_mode = 1;
+ } else if(mode_sup & 0x0001) {
+ printf("%cdma%u ",cc,ii);
+ }
+ mode_sup >>=1; mode_sel >>=1;
+ }
+ return err_dma;
+}
+static void print_ascii(uint16_t *p, uint8_t length) {
+ uint8_t ii;
+ char cl;
+
+ /* find first non-space & print it */
+ for(ii = 0; ii< length; ii++) {
+ if(((char) 0x00ff&((*p)>>8)) != ' ') break;
+ if((cl = (char) 0x00ff&(*p)) != ' ') {
+ if(cl != '\0') printf("%c",cl);
+ p++; ii++;
+ break;
+ }
+ p++;
+ }
+ /* print the rest */
+ for(; ii< length; ii++) {
+ if(!(*p)) break; /* some older devices have NULLs */
+ printf("%c%c",(char)0x00ff&((*p)>>8),(char)(*p)&0x00ff);
+ p++;
+ }
+ printf("\n");
+}
+
+/* identify() is the only extern function used across two source files. The
+ others, though, were declared in hdparm.c with global scope; since other
+ functions in that file have static (file) scope, I assume the difference is
+ intentional. */
+static void identify (uint16_t *id_supplied, const char *devname)
+{
+
+ char *id_file = NULL, fmt[]="/proc/ide/%s/identify";
+ FILE *fl;
+ uint16_t val[256], ii, jj, kk;
+ uint16_t like_std = 1, std = 0, min_std = 0xffff;
+ uint16_t dev = NO_DEV, eqpt = NO_DEV;
+ uint8_t have_mode = 0, err_dma = 0;
+ uint8_t chksum = 0;
+ uint32_t ll, mm, nn, oo;
+ __u64 bbbig; /* (:) */
+
+ if (id_supplied) {
+#if __BYTE_ORDER == __BIG_ENDIAN
+ swab(id_supplied, val, sizeof(val));
+#else
+ memcpy(val, id_supplied, sizeof(val));
+#endif
+ } else {
+ id_file = xcalloc(1, strlen(devname)+1+strlen(fmt));
+ sprintf(id_file, fmt, devname);
+
+ /* open the file, read in all the info and close it */
+ if (id_file == NULL) {
+ fl = stdin;
+ } else if(NULL == (fl = fopen(id_file, "r")))
+ bb_perror_msg_and_die(id_file);
+ /* calculate checksum over all bytes */
+ for(ii = GEN_CONFIG; ii<=INTEGRITY; ii++) {
+ unsigned int scratch;
+ if(1 != fscanf(fl,"%04x",&scratch)) break;
+ val[ii] = (uint16_t)scratch;
+ chksum += val[ii] + (val[ii] >> 8);
+ }
+ fclose(fl);
+ if(ii < (INTEGRITY+1))
+ bb_error_msg_and_die("Input file wrong format or length");
+ }
+ chksum &= 0xff;
+
+ /* check if we recognise the device type */
+ printf("\n");
+ if(!(val[GEN_CONFIG] & NOT_ATA)) {
+ dev = ATA_DEV;
+ printf("ATA device, with ");
+ } else if(val[GEN_CONFIG]==CFA_SUPPORT_VAL) {
+ dev = ATA_DEV;
+ like_std = 4;
+ printf("CompactFlash ATA device, with ");
+ } else if(!(val[GEN_CONFIG] & NOT_ATAPI)) {
+ dev = ATAPI_DEV;
+ eqpt = (val[GEN_CONFIG] & EQPT_TYPE) >> SHIFT_EQPT;
+ printf("ATAPI %s, with ", pkt_str[eqpt]);
+ like_std = 3;
+ } else {
+ bb_error_msg_and_die("Unknown device type:\n\tbits 15&14 of general configuration word 0 both set to 1.\n");
+ }
+ if(!(val[GEN_CONFIG] & MEDIA_REMOVABLE))
+ printf("non-");
+ printf("removable media\n");
+
+
+ /* Info from the specific configuration word says whether or not the
+ * ID command completed correctly. It is only defined, however in
+ * ATA/ATAPI-5 & 6; it is reserved (value theoretically 0) in prior
+ * standards. Since the values allowed for this word are extremely
+ * specific, it should be safe to check it now, even though we don't
+ * know yet what standard this device is using.
+ */
+ if((val[CONFIG]==STBY_NID_VAL) || (val[CONFIG]==STBY_ID_VAL) ||
+ (val[CONFIG]==PWRD_NID_VAL) || (val[CONFIG]==PWRD_ID_VAL) ) {
+ like_std = 5;
+ if((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\tWARNING: Following data may be incorrect.\n\n");
+ }
+
+ /* output the model and serial numbers and the fw revision */
+ if(val[START_MODEL]) {
+ printf("\t%-20s","Model Number:");
+ print_ascii(&val[START_MODEL], LENGTH_MODEL);
+ }
+ if(val[START_SERIAL]) {
+ printf("\t%-20s","Serial Number:");
+ print_ascii( &val[START_SERIAL], LENGTH_SERIAL);
+ }
+ if(val[START_FW_REV]) {
+ printf("\t%-20s","Firmware Revision:");
+ print_ascii(&val[START_FW_REV], LENGTH_FW_REV);
+ }
+ if(val[START_MEDIA]) {
+ printf("\t%-20s","Media Serial Num:");
+ print_ascii(&val[START_MEDIA], LENGTH_MEDIA);
+ }
+ if(val[START_MANUF]) {
+ printf("\t%-20s","Media Manufacturer:");
+ print_ascii(&val[START_MANUF], 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: ");
+ printf("%s ",minor_str[val[MINOR]]);
+ }
+ }
+ /* looks like when they up-issue the std, they obsolete one;
+ * thus, only the newest 4 issues need be supported. (That's
+ * what "kk" and "min_std" are all about.) */
+ if(val[MAJOR] && (val[MAJOR] !=NOVAL_1)) {
+ printf("\n\tSupported: ");
+ jj = val[MAJOR] << 1;
+ kk = like_std >4 ? like_std-4: 0;
+ for(ii = 14; (ii >0)&&(ii>kk); ii--) {
+ if(jj & 0x8000) {
+ printf("%u ", ii);
+ if(like_std < ii) {
+ like_std = ii;
+ kk = like_std >4 ? like_std-4: 0;
+ }
+ if(min_std > ii) min_std = ii;
+ }
+ jj <<= 1;
+ }
+ if(like_std < 3) like_std = 3;
+ }
+ /* Figure out what standard the device is using if it hasn't told
+ * us. If we know the std, check if the device is using any of
+ * the words from the next level up. It happens.
+ */
+ if(like_std < std) like_std = std;
+ if(((std == 5) || (!std && (like_std < 6))) &&
+ ( (((val[CMDS_SUPP_1] & VALID) == VALID_VAL) &&
+ ((val[CMDS_SUPP_1] & CMDS_W83) > 0x00ff)) ||
+ (((val[CMDS_SUPP_2] & VALID) == VALID_VAL) &&
+ (val[CMDS_SUPP_2] & CMDS_W84) ) ) ) {
+ like_std = 6;
+ } else if(((std == 4) || (!std && (like_std < 5))) &&
+ ((((val[INTEGRITY] & SIG) == SIG_VAL) && !chksum) ||
+ ((val[HWRST_RSLT] & VALID) == VALID_VAL) ||
+ (((val[CMDS_SUPP_1] & VALID) == VALID_VAL) &&
+ ((val[CMDS_SUPP_1] & CMDS_W83) > 0x001f)) ) ) {
+ like_std = 5;
+ } else if(((std == 3) || (!std && (like_std < 4))) &&
+ ((((val[CMDS_SUPP_1] & VALID) == VALID_VAL) &&
+ (((val[CMDS_SUPP_1] & CMDS_W83) > 0x0000) ||
+ ((val[CMDS_SUPP_0] & CMDS_W82) > 0x000f))) ||
+ ((val[CAPAB_1] & VALID) == VALID_VAL) ||
+ ((val[WHATS_VALID] & OK_W88) && val[ULTRA_DMA]) ||
+ ((val[RM_STAT] & RM_STAT_BITS) == RM_STAT_SUP) ) ) {
+ like_std = 4;
+ } else if(((std == 2) || (!std && (like_std < 3))) &&
+ ((val[CMDS_SUPP_1] & VALID) == VALID_VAL) ) {
+ like_std = 3;
+ } else if(((std == 1) || (!std && (like_std < 2))) &&
+ ((val[CAPAB_0] & (IORDY_SUP | IORDY_OFF)) ||
+ (val[WHATS_VALID] & OK_W64_70)) ) {
+ like_std = 2;
+ }
+ if(!std) {
+ printf("\n\tLikely used: %u\n",like_std);
+ } else if(like_std > std) {
+ printf("& some of %u\n",like_std);
+ } else printf("\n");
+ } else {
+ /* TBD: do CDROM stuff more thoroughly. For now... */
+ kk = 0;
+ if(val[CDR_MINOR] == 9) {
+ kk = 1;
+ printf("\n\tUsed: ATAPI for CD-ROMs, SFF-8020i, r2.5");
+ }
+ if(val[CDR_MAJOR] && (val[CDR_MAJOR] !=NOVAL_1)) {
+ kk = 1;
+ printf("\n\tSupported: CD-ROM ATAPI");
+ jj = val[CDR_MAJOR] >> 1;
+ for(ii = 1; ii <15; ii++) {
+ if(jj & 0x0001) {
+ printf("-%u ", ii);
+ }
+ jj >>= 1;
+ }
+ }
+ if(!kk) printf("\n\tLikely used CD-ROM ATAPI-1\n");
+ else printf("\n");
+ /* the cdrom stuff is more like ATA-2 than anything else, so: */
+ like_std = 2;
+ }
+
+ if(min_std == 0xffff) min_std = like_std > 4 ? like_std - 3 : 1;
+
+ printf("Configuration:\n");
+ /* more info from the general configuration word */
+ if((eqpt != CDROM) && (like_std == 1)) {
+ jj = val[GEN_CONFIG] >> 1;
+ for(ii = 1; ii < 15; ii++) {
+ if(jj & 0x0001) printf("\t%s\n",ata1_cfg_str[ii]);
+ jj >>=1;
+ }
+ }
+ if(dev == ATAPI_DEV) {
+ printf("\tDRQ response: "); /* Data Request (DRQ) */
+ switch(val[GEN_CONFIG] & DRQ_RESPONSE_TIME) {
+ case DRQ_3MS_VAL : printf("3ms.\n"); break;
+ case DRQ_INTR_VAL : printf("<=10ms with INTRQ\n"); break;
+ case DRQ_50US_VAL : printf("50us.\n"); break;
+ default : printf("unknown.\n"); break;
+ }
+ printf("\tPacket size: ");
+ switch(val[GEN_CONFIG] & PKT_SIZE_SUPPORTED) {
+ case PKT_SIZE_12_VAL : printf("12 bytes\n"); break;
+ case PKT_SIZE_16_VAL : printf("16 bytes\n"); break;
+ default : printf("Unknown\n"); break;
+ }
+ } else {
+ /* addressing...CHS? See section 6.2 of ATA specs 4 or 5 */
+ ll = (uint32_t)val[LBA_SECTS_MSB] << 16 | val[LBA_SECTS_LSB];
+ mm = 0; bbbig = 0;
+ if ( (ll > 0x00FBFC10) && (!val[LCYLS])) {
+ printf("\tCHS addressing not supported\n");
+ } else {
+ jj = val[WHATS_VALID] & OK_W54_58;
+ printf("\tLogical\t\tmax\tcurrent\n");
+ printf("\tcylinders\t%u\t%u\n",val[LCYLS],jj?val[LCYLS_CUR]:0);
+ printf("\theads\t\t%u\t%u\n",val[LHEADS],jj?val[LHEADS_CUR]:0);
+ printf("\tsectors/track\t%u\t%u\n",val[LSECTS],jj?val[LSECTS_CUR]:0);
+ printf("\t--\n");
+ if((min_std == 1) && (val[TRACK_BYTES] || val[SECT_BYTES])) {
+ printf("\tbytes/track: %u",val[TRACK_BYTES]);
+ printf("\tbytes/sector: %u\n",val[SECT_BYTES]);
+ }
+ if(jj) {
+ mm = (uint32_t)val[CAPACITY_MSB] << 16 | val[CAPACITY_LSB];
+ if(like_std < 3) { /* check Endian of capacity bytes */
+ nn = val[LCYLS_CUR] * val[LHEADS_CUR] * val[LSECTS_CUR];
+ oo = (uint32_t)val[CAPACITY_LSB] << 16 | val[CAPACITY_MSB];
+ if(abs(mm - nn) > abs(oo - nn))
+ mm = oo;
+ }
+ printf("\tCHS current addressable sectors:%11u\n",mm);
+ }
+ }
+ /* LBA addressing */
+ printf("\tLBA user addressable sectors:%11u\n",ll);
+ if( ((val[CMDS_SUPP_1] & VALID) == VALID_VAL) &&
+ (val[CMDS_SUPP_1] & SUPPORT_48_BIT) ) {
+ bbbig = (__u64)val[LBA_64_MSB] << 48 |
+ (__u64)val[LBA_48_MSB] << 32 |
+ (__u64)val[LBA_MID] << 16 |
+ val[LBA_LSB] ;
+ printf("\tLBA48 user addressable sectors:%11llu\n",bbbig);
+ }
+ if (!bbbig) bbbig = (__u64)(ll>mm ? ll : mm); /* # 512 byte blocks */
+ printf("\tdevice size with M = 1024*1024: %11llu MBytes\n",bbbig>>11);
+ bbbig = (bbbig<<9)/1000000;
+ printf("\tdevice size with M = 1000*1000: %11llu MBytes ",bbbig);
+ if(bbbig > 1000) printf("(%llu GB)\n",bbbig/1000);
+ else printf("\n");
+
+ }
+
+ /* hw support of commands (capabilities) */
+ printf("Capabilities:\n");
+ printf("\t");
+ if(dev == ATAPI_DEV) {
+ if(eqpt != CDROM) {
+ if(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");
+ if(!(val[CAPAB_0] & IORDY_SUP)) printf("(may be)");
+ if(val[CAPAB_0] & IORDY_OFF) printf("(can");
+ else printf("(cannot");
+ printf(" be disabled)");
+ } else printf("no IORDY");
+ printf("\n");
+ if((like_std == 1) && val[BUF_TYPE]) {
+ kk = val[BUF_TYPE];
+ printf("\tBuffer type: %04x: ",kk);
+ if (kk < 2) printf("single port, single-sector");
+ else printf("dual port, multi-sector");
+ if (kk > 2) printf(" with read caching ability");
+ printf("\n");
+ }
+ jj = 0;
+ if((min_std == 1) && (val[BUFFER__SIZE] && (val[BUFFER__SIZE] != NOVAL_1))) {
+ printf("\tBuffer size: %.1fkB",(float)val[BUFFER__SIZE]/2);
+ jj = 1;
+ }
+ if((min_std < 4) && (val[RW_LONG])) {
+ printf("\tbytes avail on r/w long: %u",val[RW_LONG]);
+ jj = 1;
+ }
+ if((eqpt != CDROM) && (like_std > 3)) {
+ printf("\tQueue depth: %u",(val[QUEUE_DEPTH] & DEPTH_BITS)+1);
+ jj = 1;
+ }
+ if(jj) printf("\n");
+ if(dev == ATA_DEV) {
+ if(like_std == 1) {
+ printf("\tCan");
+ if(!val[DWORD_IO]) printf("not");
+ printf(" perform double-word IO\n");
+ } else {
+ printf("\tStandby timer values: spec'd by ");
+ if(val[CAPAB_0] & STD_STBY) printf("Standard");
+ else printf("Vendor");
+ if((like_std > 3) && ((val[CAPAB_1] & VALID) == VALID_VAL)) {
+ if(val[CAPAB_1] & MIN_STANDBY_TIMER) printf(", with ");
+ else printf(", no ");
+ printf("device specific minimum\n");
+ } else printf("\n");
+ }
+ printf("\tR/W multiple sector transfer: ");
+ if((like_std < 3) && !(val[SECTOR_XFER_MAX] & SECTOR_XFER)) {
+ printf("not supported\n");
+ } else {
+ printf("Max = %u\t",val[SECTOR_XFER_MAX] & SECTOR_XFER);
+ printf("Current = ");
+ 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("\tAdvanced power management level: ");
+ if ( (val[ADV_PWR] & 0xFF00) == 0x4000 ) {
+ uint8_t apm_level = val[ADV_PWR] & 0x00FF;
+
+ printf("%u (0x%x)\n", apm_level, apm_level);
+ } else {
+ printf("unknown setting (0x%04x)\n", val[ADV_PWR]);
+ }
+ }
+ if(like_std > 5) {
+ if(val[ACOUSTIC]) {
+ printf("\tRecommended acoustic management value: %u, current value: %u\n", (val[ACOUSTIC] >> 8) & 0x00ff, val[ACOUSTIC] & 0x00ff);
+ }
+ }
+ } else { /* ATAPI */
+ if(eqpt != CDROM) {
+ if(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]);
+ printf("\n");
+ }
+ }
+
+ /* DMA stuff. Check that only one DMA mode is selected. */
+ printf("\tDMA: ");
+ if(!(val[CAPAB_0] & DMA_SUP)) {
+ printf("not supported\n");
+ } else {
+ if(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("(?)");
+ printf("\n");
+
+ if((dev == ATAPI_DEV) && (eqpt != CDROM) && (val[CAPAB_0] & DMA_IL_SUP))
+ printf("\t Interleaved DMA support\n");
+
+ if((val[WHATS_VALID] & OK_W64_70) &&
+ (val[DMA_TIME_MIN] || val[DMA_TIME_NORM])) {
+ printf("\t Cycle time:");
+ if(val[DMA_TIME_MIN])
+ printf(" min=%uns",val[DMA_TIME_MIN]);
+ if(val[DMA_TIME_NORM])
+ printf(" recommended=%uns",val[DMA_TIME_NORM]);
+ printf("\n");
+ }
+ }
+
+ /* Programmed IO stuff */
+ printf("\tPIO: ");
+ /* If a drive supports mode n (e.g. 3), it also supports all modes less
+ * than n (e.g. 3, 2, 1 and 0). Print all the modes. */
+ if((val[WHATS_VALID] & OK_W64_70) && (val[ADV_PIO_MODES] & PIO_SUP)) {
+ jj = ((val[ADV_PIO_MODES] & PIO_SUP) << 3) | 0x0007;
+ for(ii = 0; ii <= PIO_MODE_MAX ; ii++) {
+ if(jj & 0x0001)
+ printf("pio%d ",ii);
+ jj >>=1;
+ }
+ printf("\n");
+ } else if(((min_std < 5) || (eqpt == CDROM)) && (val[PIO_MODE] & MODE) ) {
+ for(ii = 0; ii <= val[PIO_MODE]>>8; ii++) {
+ printf("pio%d ",ii);
+ }
+ printf("\n");
+ } else printf("unknown\n");
+ if(val[WHATS_VALID] & OK_W64_70) {
+ if(val[PIO_NO_FLOW] || val[PIO_FLOW]) {
+ printf("\t Cycle time:");
+ if(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]);
+ printf("\n");
+ }
+ }
+
+ if((val[CMDS_SUPP_1] & VALID) == VALID_VAL){
+ printf("Commands/features:\n\tEnabled\tSupported:\n");
+ jj = val[CMDS_SUPP_0];
+ kk = val[CMDS_EN_0];
+ for(ii = 0; ii < NUM_CMD_FEAT_STR; ii++) {
+ if((jj & 0x8000) && (*cmd_feat_str[ii] != '\0')) {
+ if(kk & 0x8000) printf("\t *");
+ else printf("\t");
+ printf("\t%s\n",cmd_feat_str[ii]);
+ }
+ jj <<=1; kk<<=1;
+ if(ii%16 == 15) {
+ jj = val[CMDS_SUPP_0+1+(ii/16)];
+ kk = val[CMDS_EN_0+1+(ii/16)];
+ }
+ if(ii == 31) {
+ if((val[CMDS_SUPP_2] & VALID) != VALID_VAL) ii +=16;
+ }
+ }
+ }
+ if((val[RM_STAT] & RM_STAT_BITS) == RM_STAT_SUP)
+ printf("\tRemovable Media Status Notification feature set supported\n");
+
+
+ /* security */
+ if((eqpt != CDROM) && (like_std > 3) &&
+ (val[SECU_STATUS] || val[ERASE_TIME] || val[ENH_ERASE_TIME])) {
+ printf("Security: \n");
+ if(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++) {
+ if(!(jj & 0x0001)) printf("\tnot\t");
+ else printf("\t\t");
+ printf("%s\n",secu_str[ii]);
+ jj >>=1;
+ }
+ if(val[SECU_STATUS] & SECU_ENABLED) {
+ printf("\tSecurity level ");
+ if(val[SECU_STATUS] & SECU_LEVEL) printf("maximum\n");
+ else printf("high\n");
+ }
+ }
+ jj = val[ERASE_TIME] & ERASE_BITS;
+ kk = val[ENH_ERASE_TIME] & ERASE_BITS;
+ if(jj || kk) {
+ printf("\t");
+ if(jj) printf("%umin for SECURITY ERASE UNIT. ", jj==ERASE_BITS ? 508 : jj<<1);
+ if(kk) printf("%umin for ENHANCED SECURITY ERASE UNIT.", kk==ERASE_BITS ? 508 : kk<<1);
+ printf("\n");
+ }
+ }
+
+ /* reset result */
+ if((val[HWRST_RSLT] & VALID) == VALID_VAL) {
+ printf("HW reset results:\n");
+ if(val[HWRST_RSLT] & CBLID) printf("\tCBLID- above Vih\n");
+ else printf("\tCBLID- below Vih\n");
+ if(val[HWRST_RSLT] & RST0) {
+ printf("\tDevice num = 0");
+ jj = val[HWRST_RSLT];
+ } else {
+ printf("\tDevice num = 1");
+ jj = val[HWRST_RSLT] >> 8;
+ }
+ if((jj & DEV_DET) == JUMPER_VAL)
+ printf(" determined by the jumper");
+ else if((jj & DEV_DET) == CSEL_VAL)
+ printf(" determined by CSEL");
+ printf("\n");
+ }
+
+ /* more stuff from std 5 */
+ if((like_std > 4) && (eqpt != CDROM)) {
+ if(val[CFA_PWR_MODE] & VALID_W160) {
+ printf("CFA power mode 1:\n\t");
+ if(val[CFA_PWR_MODE] & PWR_MODE_OFF) printf("dis");
+ else printf("en");
+ printf("abled");
+ if(val[CFA_PWR_MODE] & PWR_MODE_REQ)
+ printf(" and required by some commands");
+ printf("\n");
+ 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: ");
+ if(chksum) printf("in");
+ printf("correct\n");
+ }
+ }
+
+ exit(0);
+}
+#endif
+
+#define VERSION "v5.4"
+
+#undef DO_FLUSHCACHE /* under construction: force cache flush on -W0 */
+#define TIMING_BUF_MB 2
+#define TIMING_BUF_BYTES (TIMING_BUF_MB * 1024 * 1024)
+#define BUFCACHE_FACTOR 2
+
+static int verbose = 0, get_identity = 0, get_geom = 0, noisy = 1, quiet = 0;
+static int flagcount = 0, do_flush = 0, is_scsi_hd = 0, is_xt_hd = 0;
+static int do_ctimings, do_timings = 0;
+
+static unsigned long set_readahead= 0, get_readahead= 0, readahead= 0;
+static unsigned long set_readonly = 0, get_readonly = 0, readonly = 0;
+static unsigned long set_unmask = 0, get_unmask = 0, unmask = 0;
+static unsigned long set_mult = 0, get_mult = 0, mult = 0;
+static unsigned long set_dma = 0, get_dma = 0, dma = 0;
+static unsigned long set_dma_q = 0, get_dma_q = 0, dma_q = 0;
+static unsigned long set_nowerr = 0, get_nowerr = 0, nowerr = 0;
+static unsigned long set_keep = 0, get_keep = 0, keep = 0;
+static unsigned long set_io32bit = 0, get_io32bit = 0, io32bit = 0;
+static unsigned long set_piomode = 0, noisy_piomode= 0;
+static int piomode = 0;
+#ifdef HDIO_DRIVE_CMD
+static unsigned long set_dkeep = 0, get_dkeep = 0, dkeep = 0;
+static unsigned long set_standby = 0, get_standby = 0, standby_requested= 0;
+static unsigned long set_xfermode = 0, get_xfermode = 0;
+static int xfermode_requested= 0;
+static unsigned long set_lookahead= 0, get_lookahead= 0, lookahead= 0;
+static unsigned long set_prefetch = 0, get_prefetch = 0, prefetch = 0;
+static unsigned long set_defects = 0, get_defects = 0, defects = 0;
+static unsigned long set_wcache = 0, get_wcache = 0, wcache = 0;
+static unsigned long set_doorlock = 0, get_doorlock = 0, doorlock = 0;
+static unsigned long set_seagate = 0, get_seagate = 0;
+static unsigned long set_standbynow = 0, get_standbynow = 0;
+static unsigned long set_sleepnow = 0, get_sleepnow = 0;
+static unsigned long get_powermode = 0;
+static unsigned long set_apmmode = 0, get_apmmode= 0, apmmode = 0;
+#endif
+#ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
+static int get_IDentity = 0;
+#endif
+#ifdef CONFIG_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF
+static int unregister_hwif = 0;
+static int hwif = 0;
+#endif
+#ifdef CONFIG_FEATURE_HDPARM_HDIO_SCAN_HWIF
+static int scan_hwif = 0;
+static int hwif_data = 0;
+static int hwif_ctrl = 0;
+static int hwif_irq = 0;
+#endif
+#ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
+static int set_busstate = 0, get_busstate = 0, busstate = 0;
+#endif
+static int reread_partn = 0;
+
+#ifdef CONFIG_FEATURE_HDPARM_HDIO_DRIVE_RESET
+static int perform_reset = 0;
+#endif /* CONFIG_FEATURE_HDPARM_HDIO_DRIVE_RESET */
+#ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
+static int perform_tristate = 0, tristate = 0;
+#endif /* CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF */
+
+// Historically, if there was no HDIO_OBSOLETE_IDENTITY, then
+// then the HDIO_GET_IDENTITY only returned 142 bytes.
+// Otherwise, HDIO_OBSOLETE_IDENTITY returns 142 bytes,
+// and HDIO_GET_IDENTITY returns 512 bytes. But the latest
+// 2.5.xx kernels no longer define HDIO_OBSOLETE_IDENTITY
+// (which they should, but they should just return -EINVAL).
+//
+// So.. we must now assume that HDIO_GET_IDENTITY returns 512 bytes.
+// On a really old system, it will not, and we will be confused.
+// Too bad, really.
+
+#ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
+static const char *cfg_str[] =
+{ "", " HardSect", " SoftSect", " NotMFM",
+ " HdSw>15uSec", " SpinMotCtl", " Fixed", " Removeable",
+ " DTR<=5Mbs", " DTR>5Mbs", " DTR>10Mbs", " RotSpdTol>.5%",
+ " dStbOff", " TrkOff", " FmtGapReq", " nonMagnetic"
+};
+
+static const char *BuffType[] = {"unknown", "1Sect", "DualPort", "DualPortCache"};
+
+#define YN(b) (((b)==0)?"no":"yes")
+
+static void dmpstr (const char *prefix, unsigned int i, const char *s[], unsigned int maxi)
+{
+ if (i > maxi)
+ printf("%s%u", prefix, i);
+ else
+ printf("%s%s", prefix, s[i]);
+}
+
+static void dump_identity (const struct hd_driveid *id)
+{
+ int i;
+ char pmodes[64] = {0,}, dmodes[128]={0,}, umodes[128]={0,};
+ const unsigned short int *id_regs= (const void*) id;
+ unsigned long capacity;
+
+ printf("\n Model=%.40s, FwRev=%.8s, SerialNo=%.20s",
+ id->model, id->fw_rev, id->serial_no);
+ printf("\n Config={");
+ for (i=0; i<=15; i++) {
+ if (id->config & (1<<i))
+ printf("%s", cfg_str[i]);
+ }
+ printf(" }\n");
+ printf(" RawCHS=%u/%u/%u, TrkSize=%u, SectSize=%u, ECCbytes=%u\n",
+ id->cyls, id->heads, id->sectors,
+ id->track_bytes, id->sector_bytes, id->ecc_bytes);
+ dmpstr(" BuffType=",id->buf_type,BuffType,3);
+ printf(", BuffSize=%ukB, MaxMultSect=%u", id->buf_size/2, id->max_multsect);
+ if (id->max_multsect) {
+ printf(", MultSect=");
+ if (!(id->multsect_valid&1))
+ printf("?%u?", id->multsect);
+ else if (id->multsect)
+ printf("%u", id->multsect);
+ else
+ printf("off");
+ }
+ putchar('\n');
+ if (id->tPIO <= 5) {
+ strcat(pmodes, "pio0 ");
+ if (id->tPIO >= 1) strcat(pmodes, "pio1 ");
+ if (id->tPIO >= 2) strcat(pmodes, "pio2 ");
+ }
+ if (!(id->field_valid&1))
+ printf(" (maybe):");
+#if __BYTE_ORDER == __BIG_ENDIAN
+ capacity = (id->cur_capacity0 << 16) | id->cur_capacity1;
+#else
+ capacity = (id->cur_capacity1 << 16) | id->cur_capacity0;
+#endif
+ printf(" CurCHS=%u/%u/%u, CurSects=%lu", id->cur_cyls, id->cur_heads, id->cur_sectors, capacity);
+ printf(", LBA=%s", YN(id->capability&2));
+ if (id->capability&2)
+ printf(", LBAsects=%u", id->lba_capacity);
+
+ if (id->capability&1) {
+ if (id->dma_1word | id->dma_mword) {
+ if (id->dma_1word & 0x100) strcat(dmodes,"*");
+ if (id->dma_1word & 1) strcat(dmodes,"sdma0 ");
+ if (id->dma_1word & 0x200) strcat(dmodes,"*");
+ if (id->dma_1word & 2) strcat(dmodes,"sdma1 ");
+ if (id->dma_1word & 0x400) strcat(dmodes,"*");
+ if (id->dma_1word & 4) strcat(dmodes,"sdma2 ");
+ if (id->dma_1word & 0xf800) strcat(dmodes,"*");
+ if (id->dma_1word & 0xf8) strcat(dmodes,"sdma? ");
+ if (id->dma_mword & 0x100) strcat(dmodes,"*");
+ if (id->dma_mword & 1) strcat(dmodes,"mdma0 ");
+ if (id->dma_mword & 0x200) strcat(dmodes,"*");
+ if (id->dma_mword & 2) strcat(dmodes,"mdma1 ");
+ if (id->dma_mword & 0x400) strcat(dmodes,"*");
+ if (id->dma_mword & 4) strcat(dmodes,"mdma2 ");
+ if (id->dma_mword & 0xf800) strcat(dmodes,"*");
+ if (id->dma_mword & 0xf8) strcat(dmodes,"mdma? ");
+ }
+ }
+ printf("\n IORDY=");
+ if (id->capability&8)
+ printf((id->capability&4) ? "on/off" : "yes");
+ else
+ printf("no");
+ if ((id->capability&8) || (id->field_valid&2)) {
+ if (id->field_valid&2) {
+ printf(", tPIO={min:%u,w/IORDY:%u}", id->eide_pio, id->eide_pio_iordy);
+ if (id->eide_pio_modes & 1) strcat(pmodes, "pio3 ");
+ if (id->eide_pio_modes & 2) strcat(pmodes, "pio4 ");
+ if (id->eide_pio_modes &~3) strcat(pmodes, "pio? ");
+ }
+ if (id->field_valid&4) {
+ if (id->dma_ultra & 0x100) strcat(umodes,"*");
+ if (id->dma_ultra & 0x001) strcat(umodes,"udma0 ");
+ if (id->dma_ultra & 0x200) strcat(umodes,"*");
+ if (id->dma_ultra & 0x002) strcat(umodes,"udma1 ");
+ if (id->dma_ultra & 0x400) strcat(umodes,"*");
+ if (id->dma_ultra & 0x004) strcat(umodes,"udma2 ");
+#ifdef __NEW_HD_DRIVE_ID
+ if (id->hw_config & 0x2000) {
+#else /* !__NEW_HD_DRIVE_ID */
+ if (id->word93 & 0x2000) {
+#endif /* __NEW_HD_DRIVE_ID */
+ if (id->dma_ultra & 0x0800) strcat(umodes,"*");
+ if (id->dma_ultra & 0x0008) strcat(umodes,"udma3 ");
+ if (id->dma_ultra & 0x1000) strcat(umodes,"*");
+ if (id->dma_ultra & 0x0010) strcat(umodes,"udma4 ");
+ if (id->dma_ultra & 0x2000) strcat(umodes,"*");
+ if (id->dma_ultra & 0x0020) strcat(umodes,"udma5 ");
+ if (id->dma_ultra & 0x4000) strcat(umodes,"*");
+ if (id->dma_ultra & 0x0040) strcat(umodes,"udma6 ");
+ if (id->dma_ultra & 0x8000) strcat(umodes,"*");
+ if (id->dma_ultra & 0x0080) strcat(umodes,"udma7 ");
+ }
+ }
+ }
+ 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: %s", pmodes);
+ if (*dmodes)
+ printf("\n DMA modes: %s", dmodes);
+ if (*umodes)
+ printf("\n UDMA modes: %s", umodes);
+
+ printf("\n AdvancedPM=%s",YN(id_regs[83]&8));
+ 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: ");
+ if (id->minor_rev_num <= 31)
+ printf("%s: ", minor_str[id->minor_rev_num]);
+ else
+ printf("unknown: ");
+ if (id->major_rev_num < 31) {
+ for (i=0; i <= 15; i++) {
+ if (id->major_rev_num & (1<<i))
+ printf(" %u", i);
+ }
+ }
+ }
+#endif /* __NEW_HD_DRIVE_ID */
+ printf("\n");
+ printf("\n * signifies the current active mode\n");
+ printf("\n");
+}
+#endif
+
+static void flush_buffer_cache (int fd)
+{
+ fsync (fd); /* flush buffers */
+ if (ioctl(fd, BLKFLSBUF, NULL)) /* do it again, big time */
+ bb_perror_msg("BLKFLSBUF failed");
+#ifdef HDIO_DRIVE_CMD
+ if (is_scsi_hd || is_xt_hd) {
+ sleep(1);
+ } else {
+ if (ioctl(fd, HDIO_DRIVE_CMD, NULL) && errno != EINVAL) /* await completion */
+ bb_perror_msg("HDIO_DRIVE_CMD(null) (wait for flush complete) failed");
+ }
+#endif
+}
+
+static int seek_to_zero (int fd)
+{
+ if (lseek(fd, (off_t) 0, SEEK_SET)) {
+ bb_perror_msg("lseek() failed");
+ return 1;
+ }
+ return 0;
+}
+
+static int read_big_block (int fd, char *buf)
+{
+ int i, rc;
+ if ((rc = read(fd, buf, TIMING_BUF_BYTES)) != TIMING_BUF_BYTES) {
+ if (rc) {
+ if (rc == -1)
+ bb_perror_msg("read() failed");
+ else
+ bb_error_msg("read(%u) returned %u bytes", TIMING_BUF_BYTES, rc);
+ } else {
+ fputs ("read() hit EOF - device too small\n", stderr);
+ }
+ return 1;
+ }
+ /* access all sectors of buf to ensure the read fully completed */
+ for (i = 0; i < TIMING_BUF_BYTES; i += 512)
+ buf[i] &= 1;
+ return 0;
+}
+
+static void time_cache (int fd)
+{
+ char *buf;
+ struct itimerval e1, e2;
+ int shmid;
+ double elapsed, elapsed2;
+ unsigned int iterations, total_MB;
+
+ if ((shmid = shmget(IPC_PRIVATE, TIMING_BUF_BYTES, 0600)) == -1) {
+ bb_perror_msg ("could not allocate sharedmem buf");
+ return;
+ }
+ if (shmctl(shmid, SHM_LOCK, NULL) == -1) {
+ bb_perror_msg ("could not lock sharedmem buf");
+ (void) shmctl(shmid, IPC_RMID, NULL);
+ return;
+ }
+ if ((buf = shmat(shmid, (char *) 0, 0)) == (char *) -1) {
+ bb_perror_msg ("could not attach sharedmem buf");
+ (void) shmctl(shmid, IPC_RMID, NULL);
+ return;
+ }
+ if (shmctl(shmid, IPC_RMID, NULL) == -1)
+ bb_perror_msg ("shmctl(,IPC_RMID,) failed");
+
+ /* Clear out the device request queues & give them time to complete */
+ sync();
+ sleep(3);
+
+ /*
+ * getitimer() is used rather than gettimeofday() because
+ * it is much more consistent (on my machine, at least).
+ */
+ setitimer(ITIMER_REAL, &(struct itimerval){{1000,0},{1000,0}}, NULL);
+ if (seek_to_zero (fd)) return;
+ if (read_big_block (fd, buf)) return;
+ printf(" Timing buffer-cache reads: ");
+ fflush(stdout);
+
+ /* Clear out the device request queues & give them time to complete */
+ sync();
+ sleep(1);
+
+ /* Now do the timing */
+ iterations = 0;
+ getitimer(ITIMER_REAL, &e1);
+ do {
+ ++iterations;
+ if (seek_to_zero (fd) || read_big_block (fd, buf))
+ goto quit;
+ getitimer(ITIMER_REAL, &e2);
+ elapsed = (e1.it_value.tv_sec - e2.it_value.tv_sec)
+ + ((e1.it_value.tv_usec - e2.it_value.tv_usec) / 1000000.0);
+ } while (elapsed < 2.0);
+ total_MB = iterations * TIMING_BUF_MB;
+
+ elapsed = (e1.it_value.tv_sec - e2.it_value.tv_sec)
+ + ((e1.it_value.tv_usec - e2.it_value.tv_usec) / 1000000.0);
+
+ /* Now remove the lseek() and getitimer() overheads from the elapsed time */
+ getitimer(ITIMER_REAL, &e1);
+ do {
+ if (seek_to_zero (fd))
+ goto quit;
+ getitimer(ITIMER_REAL, &e2);
+ elapsed2 = (e1.it_value.tv_sec - e2.it_value.tv_sec)
+ + ((e1.it_value.tv_usec - e2.it_value.tv_usec) / 1000000.0);
+ } while (--iterations);
+
+ elapsed -= elapsed2;
+
+ if ((BUFCACHE_FACTOR * total_MB) >= elapsed) /* more than 1MB/s */
+ printf("%3u MB in %5.2f seconds = %6.2f MB/sec\n",
+ (BUFCACHE_FACTOR * total_MB), elapsed,
+ (BUFCACHE_FACTOR * total_MB) / elapsed);
+ else
+ printf("%3u MB in %5.2f seconds = %6.2f kB/sec\n",
+ (BUFCACHE_FACTOR * total_MB), elapsed,
+ (BUFCACHE_FACTOR * total_MB) / elapsed * 1024);
+
+ flush_buffer_cache(fd);
+ sleep(1);
+quit:
+ if (-1 == shmdt(buf))
+ bb_perror_msg ("could not detach sharedmem buf");
+}
+
+static void time_device (int fd)
+{
+ char *buf;
+ double elapsed;
+ struct itimerval e1, e2;
+ int shmid;
+ unsigned int max_iterations = 1024, total_MB, iterations;
+ static long parm;
+
+ //
+ // get device size
+ //
+ if (do_ctimings || do_timings) {
+ if (ioctl(fd, BLKGETSIZE, &parm))
+ bb_perror_msg(" BLKGETSIZE failed");
+ else
+ max_iterations = parm / (2 * 1024) / TIMING_BUF_MB;
+ }
+
+ if ((shmid = shmget(IPC_PRIVATE, TIMING_BUF_BYTES, 0600)) == -1) {
+ bb_perror_msg ("could not allocate sharedmem buf");
+ return;
+ }
+ if (shmctl(shmid, SHM_LOCK, NULL) == -1) {
+ bb_perror_msg ("could not lock sharedmem buf");
+ (void) shmctl(shmid, IPC_RMID, NULL);
+ return;
+ }
+ if ((buf = shmat(shmid, (char *) 0, 0)) == (char *) -1) {
+ bb_perror_msg ("could not attach sharedmem buf");
+ (void) shmctl(shmid, IPC_RMID, NULL);
+ return;
+ }
+ if (shmctl(shmid, IPC_RMID, NULL) == -1)
+ bb_perror_msg ("shmctl(,IPC_RMID,) failed");
+
+ /* Clear out the device request queues & give them time to complete */
+ sync();
+ sleep(3);
+
+ printf(" Timing buffered disk reads: ");
+ fflush(stdout);
+
+ /*
+ * getitimer() is used rather than gettimeofday() because
+ * it is much more consistent (on my machine, at least).
+ */
+ setitimer(ITIMER_REAL, &(struct itimerval){{1000,0},{1000,0}}, NULL);
+
+ /* Now do the timings for real */
+ iterations = 0;
+ getitimer(ITIMER_REAL, &e1);
+ do {
+ ++iterations;
+ if (read_big_block (fd, buf))
+ goto quit;
+ getitimer(ITIMER_REAL, &e2);
+ elapsed = (e1.it_value.tv_sec - e2.it_value.tv_sec)
+ + ((e1.it_value.tv_usec - e2.it_value.tv_usec) / 1000000.0);
+ } while (elapsed < 3.0 && iterations < max_iterations);
+
+ total_MB = iterations * TIMING_BUF_MB;
+ if ((total_MB / elapsed) > 1.0) /* more than 1MB/s */
+ printf("%3u MB in %5.2f seconds = %6.2f MB/sec\n",
+ total_MB, elapsed, total_MB / elapsed);
+ else
+ printf("%3u MB in %5.2f seconds = %6.2f kB/sec\n",
+ total_MB, elapsed, total_MB / elapsed * 1024);
+quit:
+ if (-1 == shmdt(buf))
+ bb_perror_msg ("could not detach sharedmem buf");
+}
+
+static void no_scsi (void)
+{
+ if (is_scsi_hd) {
+ bb_error_msg_and_die(" operation not supported on SCSI disks\n");
+ }
+}
+
+static void no_xt (void)
+{
+ if (is_xt_hd) {
+ bb_error_msg_and_die (" operation not supported on XT disks\n");
+ }
+}
+
+static void on_off (unsigned int value)
+{
+ printf(value ? " (on)\n" : " (off)\n");
+}
+
+#ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
+static void bus_state_value (unsigned int value)
+{
+ const char *string;
+
+ switch (value) {
+ case BUSSTATE_ON:
+ string = " (on)\n";
+ break;
+ case BUSSTATE_OFF:
+ string = " (off)\n";
+ break;
+ case BUSSTATE_TRISTATE:
+ string = " (tristate)\n";
+ break;
+ default:
+ string = " (unknown: %d)\n";
+ break;
+ }
+ printf(string, value);
+}
+#endif
+
+#ifdef HDIO_DRIVE_CMD
+static void interpret_standby (unsigned int standby)
+{
+ printf(" (");
+ switch(standby) {
+ case 0: printf("off");
+ break;
+ case 252: printf("21 minutes");
+ break;
+ case 253: printf("vendor-specific");
+ break;
+ case 254: printf("?reserved");
+ break;
+ case 255: printf("21 minutes + 15 seconds");
+ break;
+ default:
+ if (standby <= 240) {
+ unsigned int secs = standby * 5;
+ unsigned int mins = secs / 60;
+ secs %= 60;
+ if (mins) printf("%u minutes", mins);
+ if (mins && secs) printf(" + ");
+ if (secs) printf("%u seconds", secs);
+ } else if (standby <= 251) {
+ unsigned int mins = (standby - 240) * 30;
+ unsigned int hrs = mins / 60;
+ mins %= 60;
+ if (hrs) printf("%u hours", hrs);
+ if (hrs && mins) printf(" + ");
+ if (mins) printf("%u minutes", mins);
+ } else
+ printf("illegal value");
+ break;
+ }
+ printf(")\n");
+}
+
+struct xfermode_entry {
+ int val;
+ const char *name;
+};
+
+static const struct xfermode_entry xfermode_table[] = {
+ { 8, "pio0" },
+ { 9, "pio1" },
+ { 10, "pio2" },
+ { 11, "pio3" },
+ { 12, "pio4" },
+ { 13, "pio5" },
+ { 14, "pio6" },
+ { 15, "pio7" },
+ { 16, "sdma0" },
+ { 17, "sdma1" },
+ { 18, "sdma2" },
+ { 19, "sdma3" },
+ { 20, "sdma4" },
+ { 21, "sdma5" },
+ { 22, "sdma6" },
+ { 23, "sdma7" },
+ { 32, "mdma0" },
+ { 33, "mdma1" },
+ { 34, "mdma2" },
+ { 35, "mdma3" },
+ { 36, "mdma4" },
+ { 37, "mdma5" },
+ { 38, "mdma6" },
+ { 39, "mdma7" },
+ { 64, "udma0" },
+ { 65, "udma1" },
+ { 66, "udma2" },
+ { 67, "udma3" },
+ { 68, "udma4" },
+ { 69, "udma5" },
+ { 70, "udma6" },
+ { 71, "udma7" },
+ { 0, NULL }
+};
+
+static int translate_xfermode(char * name)
+{
+ const struct xfermode_entry *tmp;
+ char *endptr;
+ int val = -1;
+
+
+ for (tmp = xfermode_table; tmp->name != NULL; ++tmp) {
+ if (!strcmp(name, tmp->name))
+ return tmp->val;
+ }
+
+ val = strtol(name, &endptr, 10);
+ if (*endptr == '\0')
+ return val;
+
+ return -1;
+}
+
+static void interpret_xfermode (unsigned int xfermode)
+{
+ printf(" (");
+ switch(xfermode) {
+ case 0: printf("default PIO mode");
+ break;
+ case 1: printf("default PIO mode, disable IORDY");
+ break;
+ case 8:
+ case 9:
+ case 10:
+ case 11:
+ case 12:
+ case 13:
+ case 14:
+ case 15: printf("PIO flow control mode%u", xfermode-8);
+ break;
+ case 16:
+ case 17:
+ case 18:
+ case 19:
+ case 20:
+ case 21:
+ case 22:
+ case 23: printf("singleword DMA mode%u", xfermode-16);
+ break;
+ case 32:
+ case 33:
+ case 34:
+ case 35:
+ case 36:
+ case 37:
+ case 38:
+ case 39: printf("multiword DMA mode%u", xfermode-32);
+ break;
+ case 64:
+ case 65:
+ case 66:
+ case 67:
+ case 68:
+ case 69:
+ case 70:
+ case 71: printf("UltraDMA mode%u", xfermode-64);
+ break;
+ default:
+ printf("unknown, probably not valid");
+ break;
+ }
+ printf(")\n");
+}
+#endif /* HDIO_DRIVE_CMD */
+
+#ifndef VXVM_MAJOR
+#define VXVM_MAJOR 199
+#endif
+
+#ifndef CCISS_MAJOR
+#define CCISS_MAJOR 104
+#endif
+
+static void process_dev (char *devname)
+{
+ int fd;
+ static long parm, multcount;
+ struct stat stat_buf;
+#ifndef HDIO_DRIVE_CMD
+ int force_operation = 0;
+#endif
+ if (stat(devname,&stat_buf))
+ bb_perror_msg_and_die(devname);
+
+ switch(major(stat_buf.st_rdev)) {
+#ifdef SCSI_DISK0_MAJOR
+ case (SCSI_DISK0_MAJOR):
+ case (SCSI_DISK1_MAJOR):
+ case (SCSI_DISK2_MAJOR):
+ case (SCSI_DISK3_MAJOR):
+ case (SCSI_DISK4_MAJOR):
+ case (SCSI_DISK5_MAJOR):
+ case (SCSI_DISK6_MAJOR):
+ case (SCSI_DISK7_MAJOR):
+#else
+ case (SCSI_DISK_MAJOR):
+#endif
+#ifdef MD_MAJOR
+ case (MD_MAJOR):
+#endif
+ case (VXVM_MAJOR):
+#ifdef LVM_BLK_MAJOR
+ case (LVM_BLK_MAJOR):
+#endif
+ case (CCISS_MAJOR):
+ is_scsi_hd = 1;
+ break;
+#ifdef XT_DISK_MAJOR
+ case (XT_DISK_MAJOR):
+ is_xt_hd = 1;
+ break;
+#endif
+ case IDE0_MAJOR:
+ case IDE1_MAJOR:
+#ifdef IDE2_MAJOR
+ case IDE2_MAJOR:
+#endif
+#ifdef IDE3_MAJOR
+ case IDE3_MAJOR:
+#endif
+#ifdef IDE4_MAJOR
+ case IDE4_MAJOR:
+#endif
+#ifdef IDE5_MAJOR
+ case IDE5_MAJOR:
+#endif
+#ifdef IDE6_MAJOR
+ case IDE6_MAJOR:
+#endif
+#ifdef IDE7_MAJOR
+ case IDE7_MAJOR:
+#endif
+#ifdef IDE8_MAJOR
+ case IDE8_MAJOR:
+#endif
+#ifdef IDE9_MAJOR
+ case IDE9_MAJOR:
+#endif
+ break; /* do nothing */
+ default:
+ bb_error_msg_and_die("%s not supported by hdparm",devname);
+ }
+
+ fd = open (devname, O_RDONLY|O_NONBLOCK);
+ if (fd < 0)
+ bb_perror_msg_and_die(devname);
+ if (!quiet)
+ printf("\n%s:\n", devname);
+
+ if (set_readahead) {
+ if (get_readahead)
+ printf(" setting fs readahead to %ld\n", readahead);
+ if (ioctl(fd, BLKRASET, readahead))
+ bb_perror_msg(" BLKRASET failed");
+ }
+#ifdef CONFIG_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF
+ if (unregister_hwif) {
+ no_scsi();
+ printf(" attempting to unregister hwif#%u\n", hwif);
+ if (ioctl(fd, HDIO_UNREGISTER_HWIF, hwif))
+ bb_perror_msg(" HDIO_UNREGISTER_HWIF failed");
+ }
+#endif
+#ifdef CONFIG_FEATURE_HDPARM_HDIO_SCAN_HWIF
+ if (scan_hwif) {
+ int args[3];
+ no_scsi();
+ printf(" attempting to scan hwif (0x%x, 0x%x, %u)\n", hwif_data, hwif_ctrl, hwif_irq);
+ args[0] = hwif_data;
+ args[1] = hwif_ctrl;
+ args[2] = hwif_irq;
+ if (ioctl(fd, HDIO_SCAN_HWIF, args))
+ bb_perror_msg(" HDIO_SCAN_HWIF failed");
+ }
+#endif
+ if (set_piomode) {
+ no_scsi();
+ no_xt();
+ if (noisy_piomode) {
+ if (piomode == 255)
+ printf(" attempting to auto-tune PIO mode\n");
+ else if (piomode < 100)
+ printf(" attempting to set PIO mode to %d\n", piomode);
+ else if (piomode < 200)
+ printf(" attempting to set MDMA mode to %d\n", (piomode-100));
+ else
+ printf(" attempting to set UDMA mode to %d\n", (piomode-200));
+ }
+ if (ioctl(fd, HDIO_SET_PIO_MODE, piomode))
+ bb_perror_msg(" HDIO_SET_PIO_MODE failed");
+ }
+ if (set_io32bit) {
+ no_scsi();
+ no_xt();
+ if (get_io32bit)
+ printf(" setting 32-bit IO_support flag to %ld\n", io32bit);
+ if (ioctl(fd, HDIO_SET_32BIT, io32bit))
+ bb_perror_msg(" HDIO_SET_32BIT failed");
+ }
+ if (set_mult) {
+ no_scsi();
+ no_xt();
+ if (get_mult)
+ printf(" setting multcount to %ld\n", mult);
+ if (ioctl(fd, HDIO_SET_MULTCOUNT, mult))
+ bb_perror_msg(" HDIO_SET_MULTCOUNT failed");
+#ifndef HDIO_DRIVE_CMD
+ else force_operation = 1;
+#endif
+ }
+ if (set_readonly) {
+ if (get_readonly) {
+ printf(" setting readonly to %ld", readonly);
+ on_off(readonly);
+ }
+ if (ioctl(fd, BLKROSET, &readonly))
+ bb_perror_msg(" BLKROSET failed");
+ }
+ if (set_unmask) {
+ no_scsi();
+ no_xt();
+ if (get_unmask) {
+ printf(" setting unmaskirq to %ld", unmask);
+ on_off(unmask);
+ }
+ if (ioctl(fd, HDIO_SET_UNMASKINTR, unmask))
+ bb_perror_msg(" HDIO_SET_UNMASKINTR failed");
+ }
+ if (set_dma) {
+ no_scsi();
+ if (get_dma) {
+ printf(" setting using_dma to %ld", dma);
+ on_off(dma);
+ }
+ if (ioctl(fd, HDIO_SET_DMA, dma))
+ bb_perror_msg(" HDIO_SET_DMA failed");
+ }
+ if (set_dma_q) {
+ no_scsi();
+ if (get_dma_q) {
+ printf(" setting DMA queue_depth to %ld", dma_q);
+ on_off(dma_q);
+ }
+ if (ioctl(fd, HDIO_SET_QDMA, dma_q))
+ bb_perror_msg(" HDIO_SET_QDMA failed");
+ }
+ if (set_nowerr) {
+ no_scsi();
+ no_xt();
+ if (get_nowerr) {
+ printf(" setting nowerr to %ld", nowerr);
+ on_off(nowerr);
+ }
+ if (ioctl(fd, HDIO_SET_NOWERR, nowerr))
+ bb_perror_msg(" HDIO_SET_NOWERR failed");
+ }
+ if (set_keep) {
+ no_scsi();
+ no_xt();
+ if (get_keep) {
+ printf(" setting keep_settings to %ld", keep);
+ on_off(keep);
+ }
+ if (ioctl(fd, HDIO_SET_KEEPSETTINGS, keep))
+ bb_perror_msg(" HDIO_SET_KEEPSETTINGS failed");
+ }
+#ifdef HDIO_DRIVE_CMD
+ if (set_doorlock) {
+ unsigned char args[4] = {0,0,0,0};
+ no_scsi();
+ no_xt();
+ args[0] = doorlock ? WIN_DOORLOCK : WIN_DOORUNLOCK;
+ if (get_doorlock) {
+ printf(" setting drive doorlock to %ld", doorlock);
+ on_off(doorlock);
+ }
+ if (ioctl(fd, HDIO_DRIVE_CMD, &args))
+ bb_perror_msg(" HDIO_DRIVE_CMD(doorlock) failed");
+ }
+ if (set_dkeep) {
+ /* lock/unlock the drive's "feature" settings */
+ unsigned char args[4] = {WIN_SETFEATURES,0,0,0};
+ no_scsi();
+ no_xt();
+ if (get_dkeep) {
+ printf(" setting drive keep features to %ld", dkeep);
+ on_off(dkeep);
+ }
+ args[2] = dkeep ? 0x66 : 0xcc;
+ if (ioctl(fd, HDIO_DRIVE_CMD, &args))
+ bb_perror_msg(" HDIO_DRIVE_CMD(keepsettings) failed");
+ }
+ if (set_defects) {
+ unsigned char args[4] = {WIN_SETFEATURES,0,0x04,0};
+ no_scsi();
+ args[2] = defects ? 0x04 : 0x84;
+ if (get_defects)
+ printf(" setting drive defect-mgmt to %ld\n", defects);
+ if (ioctl(fd, HDIO_DRIVE_CMD, &args))
+ bb_perror_msg(" HDIO_DRIVE_CMD(defectmgmt) failed");
+ }
+ if (set_prefetch) {
+ unsigned char args[4] = {WIN_SETFEATURES,0,0xab,0};
+ no_scsi();
+ no_xt();
+ args[1] = prefetch;
+ if (get_prefetch)
+ printf(" setting drive prefetch to %ld\n", prefetch);
+ if (ioctl(fd, HDIO_DRIVE_CMD, &args))
+ bb_perror_msg(" HDIO_DRIVE_CMD(setprefetch) failed");
+ }
+ if (set_xfermode) {
+ unsigned char args[4] = {WIN_SETFEATURES,0,3,0};
+ no_scsi();
+ no_xt();
+ args[1] = xfermode_requested;
+ if (get_xfermode) {
+ printf(" setting xfermode to %d", xfermode_requested);
+ interpret_xfermode(xfermode_requested);
+ }
+ if (ioctl(fd, HDIO_DRIVE_CMD, &args))
+ bb_perror_msg(" HDIO_DRIVE_CMD(setxfermode) failed");
+ }
+ if (set_lookahead) {
+ unsigned char args[4] = {WIN_SETFEATURES,0,0,0};
+ no_scsi();
+ no_xt();
+ args[2] = lookahead ? 0xaa : 0x55;
+ if (get_lookahead) {
+ printf(" setting drive read-lookahead to %ld", lookahead);
+ on_off(lookahead);
+ }
+ if (ioctl(fd, HDIO_DRIVE_CMD, &args))
+ bb_perror_msg(" HDIO_DRIVE_CMD(setreadahead) failed");
+ }
+ if (set_apmmode) {
+ unsigned char args[4] = {WIN_SETFEATURES,0,0,0};
+ no_scsi();
+ if (apmmode<1) apmmode=1;
+ if (apmmode>255) apmmode=255;
+ if (get_apmmode)
+ printf(" setting Advanced Power Management level to");
+ if (apmmode==255) {
+ /* disable Advanced Power Management */
+ args[2] = 0x85; /* feature register */
+ if (get_apmmode) printf(" disabled\n");
+ } else {
+ /* set Advanced Power Management mode */
+ args[2] = 0x05; /* feature register */
+ args[1] = apmmode; /* sector count register */
+ if (get_apmmode) printf(" 0x%02lX (%ld)\n",apmmode,apmmode);
+ }
+ if (ioctl(fd, HDIO_DRIVE_CMD, &args))
+ bb_perror_msg(" HDIO_DRIVE_CMD failed");
+ }
+ if (set_wcache) {
+#ifdef DO_FLUSHCACHE
+#ifndef WIN_FLUSHCACHE
+#define WIN_FLUSHCACHE 0xe7
+#endif
+ unsigned char flushcache[4] = {WIN_FLUSHCACHE,0,0,0};
+#endif /* DO_FLUSHCACHE */
+ unsigned char args[4] = {WIN_SETFEATURES,0,0,0};
+ no_scsi();
+ no_xt();
+ args[2] = wcache ? 0x02 : 0x82;
+ if (get_wcache) {
+ printf(" setting drive write-caching to %ld", wcache);
+ on_off(wcache);
+ }
+#ifdef DO_FLUSHCACHE
+ if (!wcache && ioctl(fd, HDIO_DRIVE_CMD, &flushcache))
+ bb_perror_msg (" HDIO_DRIVE_CMD(flushcache) failed");
+#endif /* DO_FLUSHCACHE */
+ if (ioctl(fd, HDIO_DRIVE_CMD, &args))
+ bb_perror_msg(" HDIO_DRIVE_CMD(setcache) failed");
+#ifdef DO_FLUSHCACHE
+ if (!wcache && ioctl(fd, HDIO_DRIVE_CMD, &flushcache))
+ bb_perror_msg (" HDIO_DRIVE_CMD(flushcache) failed");
+#endif /* DO_FLUSHCACHE */
+ }
+ if (set_standbynow) {
+#ifndef WIN_STANDBYNOW1
+#define WIN_STANDBYNOW1 0xE0
+#endif
+#ifndef WIN_STANDBYNOW2
+#define WIN_STANDBYNOW2 0x94
+#endif
+ unsigned char args1[4] = {WIN_STANDBYNOW1,0,0,0};
+ unsigned char args2[4] = {WIN_STANDBYNOW2,0,0,0};
+ no_scsi();
+ if (get_standbynow)
+ printf(" issuing standby command\n");
+ if (ioctl(fd, HDIO_DRIVE_CMD, &args1)
+ && ioctl(fd, HDIO_DRIVE_CMD, &args2))
+ bb_perror_msg(" HDIO_DRIVE_CMD(standby) failed");
+ }
+ if (set_sleepnow) {
+#ifndef WIN_SLEEPNOW1
+#define WIN_SLEEPNOW1 0xE6
+#endif
+#ifndef WIN_SLEEPNOW2
+#define WIN_SLEEPNOW2 0x99
+#endif
+ unsigned char args1[4] = {WIN_SLEEPNOW1,0,0,0};
+ unsigned char args2[4] = {WIN_SLEEPNOW2,0,0,0};
+ no_scsi();
+ if (get_sleepnow)
+ printf(" issuing sleep command\n");
+ if (ioctl(fd, HDIO_DRIVE_CMD, &args1)
+ && ioctl(fd, HDIO_DRIVE_CMD, &args2))
+ bb_perror_msg(" HDIO_DRIVE_CMD(sleep) failed");
+ }
+ if (set_seagate) {
+ unsigned char args[4] = {0xfb,0,0,0};
+ no_scsi();
+ no_xt();
+ if (get_seagate)
+ printf(" disabling Seagate auto powersaving mode\n");
+ if (ioctl(fd, HDIO_DRIVE_CMD, &args))
+ bb_perror_msg(" HDIO_DRIVE_CMD(seagatepwrsave) failed");
+ }
+ if (set_standby) {
+ unsigned char args[4] = {WIN_SETIDLE1,standby_requested,0,0};
+ no_scsi();
+ no_xt();
+ if (get_standby) {
+ printf(" setting standby to %lu", standby_requested);
+ interpret_standby(standby_requested);
+ }
+ if (ioctl(fd, HDIO_DRIVE_CMD, &args))
+ bb_perror_msg(" HDIO_DRIVE_CMD(setidle1) failed");
+ }
+#else /* HDIO_DRIVE_CMD */
+ if (force_operation) {
+ char buf[512];
+ flush_buffer_cache(fd);
+ if (-1 == read(fd, buf, sizeof(buf)))
+ bb_perror_msg(" access failed");
+ }
+#endif /* HDIO_DRIVE_CMD */
+
+ if (!flagcount)
+ verbose = 1;
+
+ if ((verbose && !is_scsi_hd && !is_xt_hd) || get_mult || get_identity) {
+ no_scsi();
+ multcount = -1;
+ if (ioctl(fd, HDIO_GET_MULTCOUNT, &multcount)) {
+ if ((verbose && !is_xt_hd) || get_mult)
+ bb_perror_msg(" HDIO_GET_MULTCOUNT failed");
+ } else if (verbose | get_mult) {
+ printf(" multcount = %2ld", multcount);
+ on_off(multcount);
+ }
+ }
+ if ((verbose && !is_scsi_hd && !is_xt_hd) || get_io32bit) {
+ no_scsi();
+ no_xt();
+ if (ioctl(fd, HDIO_GET_32BIT, &parm))
+ bb_perror_msg(" HDIO_GET_32BIT failed");
+ else {
+ printf(" IO_support =%3ld (", parm);
+ switch (parm) {
+ case 0: printf("default ");
+ case 2: printf("16-bit)\n");
+ break;
+ case 1: printf("32-bit)\n");
+ break;
+ case 3: printf("32-bit w/sync)\n");
+ break;
+ case 8: printf("Request-Queue-Bypass)\n");
+ break;
+ default:printf("\?\?\?)\n");
+ }
+ }
+ }
+ if ((verbose && !is_scsi_hd && !is_xt_hd) || get_unmask) {
+ no_scsi();
+ no_xt();
+ if (ioctl(fd, HDIO_GET_UNMASKINTR, &parm))
+ bb_perror_msg(" HDIO_GET_UNMASKINTR failed");
+ else {
+ printf(" unmaskirq = %2ld", parm);
+ on_off(parm);
+ }
+ }
+
+#ifdef CONFIG_FEATURE_HDPARM_HDIO_GET_DMA
+ if ((verbose && !is_scsi_hd) || get_dma) {
+ no_scsi();
+ if (ioctl(fd, HDIO_GET_DMA, &parm))
+ bb_perror_msg(" HDIO_GET_DMA failed");
+ else {
+ printf(" using_dma = %2ld", parm);
+ if (parm == 8)
+ printf(" (DMA-Assisted-PIO)\n");
+ else
+ on_off(parm);
+ }
+ }
+#endif
+ if (get_dma_q) {
+ no_scsi();
+ if(ioctl(fd, HDIO_GET_QDMA, &parm)) {
+ bb_perror_msg(" HDIO_GET_QDMA failed");
+ } else {
+ printf(" queue_depth = %2ld", parm);
+ on_off(parm);
+ }
+ }
+ if ((verbose && !is_scsi_hd && !is_xt_hd) || get_keep) {
+ no_scsi();
+ no_xt();
+ if (ioctl(fd, HDIO_GET_KEEPSETTINGS, &parm))
+ bb_perror_msg(" HDIO_GET_KEEPSETTINGS failed");
+ else {
+ printf(" keepsettings = %2ld", parm);
+ on_off(parm);
+ }
+ }
+
+ if (get_nowerr) {
+ no_scsi();
+ no_xt();
+ if (ioctl(fd, HDIO_GET_NOWERR, &parm))
+ bb_perror_msg(" HDIO_GET_NOWERR failed");
+ else {
+ printf(" nowerr = %2ld", parm);
+ on_off(parm);
+ }
+ }
+ if (verbose || get_readonly) {
+ if (ioctl(fd, BLKROGET, &parm))
+ bb_perror_msg(" BLKROGET failed");
+ else {
+ printf(" readonly = %2ld", parm);
+ on_off(parm);
+ }
+ }
+ if ((verbose && !is_scsi_hd) || get_readahead) {
+ if (ioctl(fd, BLKRAGET, &parm))
+ bb_perror_msg(" BLKRAGET failed");
+ else {
+ printf(" readahead = %2ld", parm);
+ on_off(parm);
+ }
+ }
+ if (verbose || get_geom) {
+ static const char msg[] = " geometry = %u/%u/%u, sectors = %ld, start = %ld\n";
+ static struct hd_geometry g;
+#ifdef HDIO_GETGEO_BIG
+ static struct hd_big_geometry bg;
+#endif
+
+ if (ioctl(fd, BLKGETSIZE, &parm))
+ bb_perror_msg(" BLKGETSIZE failed");
+#ifdef HDIO_GETGEO_BIG
+ else if (!ioctl(fd, HDIO_GETGEO_BIG, &bg))
+ printf(msg, bg.cylinders, bg.heads, bg.sectors, parm, bg.start);
+#endif
+ else if (ioctl(fd, HDIO_GETGEO, &g))
+ bb_perror_msg(" HDIO_GETGEO failed");
+ else printf(msg, g.cylinders, g.heads, g.sectors, parm, g.start);
+ }
+#ifdef HDIO_DRIVE_CMD
+ if (get_powermode) {
+#ifndef WIN_CHECKPOWERMODE1
+#define WIN_CHECKPOWERMODE1 0xE5
+#endif
+#ifndef WIN_CHECKPOWERMODE2
+#define WIN_CHECKPOWERMODE2 0x98
+#endif
+ unsigned char args[4] = {WIN_CHECKPOWERMODE1,0,0,0};
+ const char *state;
+ no_scsi();
+ if (ioctl(fd, HDIO_DRIVE_CMD, &args)
+ && (args[0] = WIN_CHECKPOWERMODE2) /* try again with 0x98 */
+ && ioctl(fd, HDIO_DRIVE_CMD, &args)) {
+ if (errno != EIO || args[0] != 0 || args[1] != 0)
+ state = "unknown";
+ else
+ state = "sleeping";
+ } else {
+ state = (args[2] == 255) ? "active/idle" : "standby";
+ }
+ printf(" drive state is: %s\n", state);
+ }
+#endif
+#ifdef CONFIG_FEATURE_HDPARM_HDIO_DRIVE_RESET
+ if (perform_reset) {
+ no_scsi();
+ no_xt();
+ if (ioctl(fd, HDIO_DRIVE_RESET, NULL))
+ bb_perror_msg(" HDIO_DRIVE_RESET failed");
+ }
+#endif /* CONFIG_FEATURE_HDPARM_HDIO_DRIVE_RESET */
+#ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
+ if (perform_tristate) {
+ unsigned char args[4] = {0,tristate,0,0};
+ no_scsi();
+ no_xt();
+ if (ioctl(fd, HDIO_TRISTATE_HWIF, &args))
+ bb_perror_msg(" HDIO_TRISTATE_HWIF failed");
+ }
+#endif /* CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF */
+#ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
+ if (get_identity) {
+ static struct hd_driveid id;
+
+ no_scsi();
+ no_xt();
+
+ if (!ioctl(fd, HDIO_GET_IDENTITY, &id)) {
+ if (multcount != -1) {
+ id.multsect = multcount;
+ id.multsect_valid |= 1;
+ } else
+ id.multsect_valid &= ~1;
+ dump_identity(&id);
+ } else if (errno == -ENOMSG)
+ printf(" no identification info available\n");
+ else
+ bb_perror_msg(" HDIO_GET_IDENTITY failed");
+ }
+ if (get_IDentity) {
+ unsigned char args[4+512] = {WIN_IDENTIFY,0,0,1,};
+ unsigned i;
+ no_scsi();
+ no_xt();
+ if (ioctl(fd, HDIO_DRIVE_CMD, &args)) {
+ args[0] = WIN_PIDENTIFY;
+ if (ioctl(fd, HDIO_DRIVE_CMD, &args)) {
+ bb_perror_msg(" HDIO_DRIVE_CMD(identify) failed");
+ goto identify_abort;
+ }
+ }
+ for(i=0; i<(sizeof args)/2; i+=2) {
+ __le16_to_cpus((uint16_t *)(&args[i]));
+ }
+ identify((void *)&args[4], NULL);
+identify_abort: ;
+ }
+#endif
+#ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
+ if (set_busstate) {
+ no_scsi();
+ if (get_busstate) {
+ printf(" setting bus state to %d", busstate);
+ bus_state_value(busstate);
+ }
+ if (ioctl(fd, HDIO_SET_BUSSTATE, busstate))
+ bb_perror_msg(" HDIO_SET_BUSSTATE failed");
+ }
+#endif
+#ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
+ if (get_busstate) {
+ no_scsi();
+ if (ioctl(fd, HDIO_GET_BUSSTATE, &parm))
+ bb_perror_msg(" HDIO_GET_BUSSTATE failed");
+ else {
+ printf(" busstate = %2ld", parm);
+ bus_state_value(parm);
+ }
+ }
+#endif
+ if (reread_partn) {
+ if (ioctl(fd, BLKRRPART, NULL)) {
+ bb_perror_msg(" BLKRRPART failed");
+ }
+ }
+
+ if (do_ctimings)
+ time_cache (fd);
+ if (do_timings)
+ time_device (fd);
+ if (do_flush)
+ flush_buffer_cache (fd);
+ close (fd);
+}
+
+#define GET_NUMBER(flag,num) num = 0; \
+ if (!*p && argc && isdigit(**argv)) \
+ p = *argv++, --argc; \
+ while (isdigit(*p)) { \
+ flag = 1; \
+ num = (num * 10) + (*p++ - '0'); \
+ }
+
+#define GET_STRING(flag, num) tmpstr = name; \
+ tmpstr[0] = '\0'; \
+ if (!*p && argc && isalnum(**argv)) \
+ p = *argv++, --argc; \
+ while (isalnum(*p) && (tmpstr - name) < 31) { \
+ tmpstr[0] = *p++; \
+ tmpstr[1] = '\0'; \
+ ++tmpstr; \
+ } \
+ num = translate_xfermode(name); \
+ if (num == -1) \
+ flag = 0; \
+ else \
+ flag = 1;
+
+#ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
+static int fromhex (unsigned char c)
+{
+ if (c >= 'a' && c <= 'f')
+ return 10 + (c - 'a');
+ if (c >= '0' && c <= '9')
+ return (c - '0');
+ bb_error_msg_and_die("bad char: '%c' 0x%02x", c, c);
+}
+
+static int identify_from_stdin (void)
+{
+ unsigned short sbuf[800];
+ unsigned char buf[1600], *b = (unsigned char *)buf;
+ int i, count = read(0, buf, 1280);
+
+ if (count != 1280)
+ bb_error_msg_and_die("read(1280 bytes) failed (rc=%d)", count);
+ for (i = 0; count >= 4; ++i) {
+ sbuf[i] = (fromhex(b[0]) << 12) | (fromhex(b[1]) << 8) | (fromhex(b[2]) << 4) | fromhex(b[3]);
+ __le16_to_cpus((uint16_t *)(&sbuf[i]));
+ b += 5;
+ count -= 5;
+ }
+ identify(sbuf, NULL);
+ return 0;
+}
+#endif
+
+/* our main() routine: */
+int hdparm_main(int argc, char **argv)
+{
+ char c, *p;
+ char *tmpstr;
+ char name[32];
+ int neg;
+
+ ++argv;
+ if (!--argc)
+ bb_show_usage();
+ while (argc--) {
+#ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
+ if (!strcmp("-Istdin", *argv)) {
+ exit(identify_from_stdin());
+ }
+#endif
+ p = *argv++;
+ if (*p == '-') {
+ if (!*++p)
+ bb_show_usage();
+ while ((c = *p++)) {
+ ++flagcount;
+ switch (c) {
+ case 'V':
+ bb_error_msg_and_die("%s", VERSION);
+ case 'v':
+ verbose = 1;
+ break;
+#ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
+ case 'I':
+ get_IDentity = 1;
+ break;
+ case 'i':
+ get_identity = 1;
+ break;
+#endif
+ case 'g':
+ get_geom = 1;
+ break;
+ case 'f':
+ do_flush = 1;
+ break;
+ case 'q':
+ quiet = 1;
+ noisy = 0;
+ break;
+ case 'u':
+ get_unmask = noisy;
+ noisy = 1;
+ if (!*p && argc && isdigit(**argv))
+ p = *argv++, --argc;
+ if (*p == '0' || *p == '1') {
+ set_unmask = 1;
+ unmask = *p++ - '0';
+ }
+ break;
+ case 'd':
+ get_dma = noisy;
+ noisy = 1;
+ if (!*p && argc && isdigit(**argv))
+ p = *argv++, --argc;
+ if (*p >= '0' && *p <= '9') {
+ set_dma = 1;
+ dma = *p++ - '0';
+ }
+ break;
+ case 'n':
+ get_nowerr = noisy;
+ noisy = 1;
+ if (!*p && argc && isdigit(**argv))
+ p = *argv++, --argc;
+ if (*p == '0' || *p == '1') {
+ set_nowerr = 1;
+ nowerr = *p++ - '0';
+ }
+ break;
+ case 'p':
+ noisy_piomode = noisy;
+ noisy = 1;
+ GET_STRING(set_piomode,piomode);
+ break;
+ case 'r':
+ get_readonly = noisy;
+ noisy = 1;
+ if (!*p && argc && isdigit(**argv))
+ p = *argv++, --argc;
+ if (*p == '0' || *p == '1') {
+ set_readonly = 1;
+ readonly = *p++ - '0';
+ }
+ break;
+ case 'm':
+ get_mult = noisy;
+ noisy = 1;
+ GET_NUMBER(set_mult,mult);
+ break;
+ case 'c':
+ get_io32bit = noisy;
+ noisy = 1;
+ GET_NUMBER(set_io32bit,io32bit);
+ break;
+#ifdef HDIO_DRIVE_CMD
+ case 'S':
+ get_standby = noisy;
+ noisy = 1;
+ GET_NUMBER(set_standby,standby_requested);
+ if (!set_standby)
+ bb_error_msg("-S: missing value");
+ break;
+
+ case 'D':
+ get_defects = noisy;
+ noisy = 1;
+ GET_NUMBER(set_defects,defects);
+ if (!set_defects)
+ bb_error_msg("-D: missing value");
+ break;
+ case 'P':
+ get_prefetch = noisy;
+ noisy = 1;
+ GET_NUMBER(set_prefetch,prefetch);
+ if (!set_prefetch)
+ bb_error_msg("-P: missing value");
+ break;
+
+ case 'X':
+ get_xfermode = noisy;
+ noisy = 1;
+ GET_STRING(set_xfermode,xfermode_requested);
+ if (!set_xfermode)
+ bb_error_msg("-X: missing value");
+ break;
+
+ case 'K':
+ get_dkeep = noisy;
+ noisy = 1;
+ if (!*p && argc && isdigit(**argv))
+ p = *argv++, --argc;
+ if (*p == '0' || *p == '1') {
+ set_dkeep = 1;
+ dkeep = *p++ - '0';
+ } else
+ bb_error_msg("-K: missing value (0/1)");
+ break;
+
+ case 'A':
+ get_lookahead = noisy;
+ noisy = 1;
+ if (!*p && argc && isdigit(**argv))
+ p = *argv++, --argc;
+ if (*p == '0' || *p == '1') {
+ set_lookahead = 1;
+ lookahead = *p++ - '0';
+ } else
+ bb_error_msg("-A: missing value (0/1)");
+ break;
+
+ case 'L':
+ get_doorlock = noisy;
+ noisy = 1;
+ if (!*p && argc && isdigit(**argv))
+ p = *argv++, --argc;
+ if (*p == '0' || *p == '1') {
+ set_doorlock = 1;
+ doorlock = *p++ - '0';
+ } else
+ bb_error_msg("-L: missing value (0/1)");
+ break;
+
+ case 'W':
+ get_wcache = noisy;
+ noisy = 1;
+ if (!*p && argc && isdigit(**argv))
+ p = *argv++, --argc;
+ if (*p == '0' || *p == '1') {
+ set_wcache = 1;
+ wcache = *p++ - '0';
+ } else
+ bb_error_msg("-W: missing value (0/1)");
+ break;
+
+ case 'C':
+ get_powermode = noisy;
+ noisy = 1;
+ break;
+
+ case 'y':
+ get_standbynow = noisy;
+ noisy = 1;
+ set_standbynow = 1;
+ break;
+
+ case 'Y':
+ get_sleepnow = noisy;
+ noisy = 1;
+ set_sleepnow = 1;
+ break;
+
+ case 'z':
+ reread_partn = 1;
+ break;
+
+ case 'Z':
+ get_seagate = noisy;
+ noisy = 1;
+ set_seagate = 1;
+ break;
+#endif /* HDIO_DRIVE_CMD */
+ case 'k':
+ get_keep = noisy;
+ noisy = 1;
+ if (!*p && argc && isdigit(**argv))
+ p = *argv++, --argc;
+ if (*p == '0' || *p == '1') {
+ set_keep = 1;
+ keep = *p++ - '0';
+ }
+ break;
+#ifdef CONFIG_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF
+ case 'U':
+ if (!*p && argc && isdigit(**argv))
+ p = *argv++, --argc;
+
+ if(! p) {
+ bb_error_msg_and_die("expected hwif_nr");
+ }
+
+ sscanf(p++, "%i", &hwif);
+
+ unregister_hwif = 1;
+ break;
+#endif /* CONFIG_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF */
+#ifdef CONFIG_FEATURE_HDPARM_HDIO_SCAN_HWIF
+ case 'R':
+ if (!*p && argc && isdigit(**argv))
+ p = *argv++, --argc;
+
+ if(! p) {
+ bb_error_msg_and_die("expected hwif_data");
+ }
+
+ sscanf(p++, "%i", &hwif_data);
+
+ if (argc && isdigit(**argv))
+ p = *argv++, --argc;
+ else {
+ bb_error_msg_and_die("expected hwif_ctrl");
+ }
+
+ sscanf(p, "%i", &hwif_ctrl);
+
+ if (argc && isdigit(**argv))
+ p = *argv++, --argc;
+ else {
+ bb_error_msg_and_die("expected hwif_irq");
+ }
+
+ sscanf(p, "%i", &hwif_irq);
+
+ *p = '\0';
+
+ scan_hwif = 1;
+ break;
+#endif /* CONFIG_FEATURE_HDPARM_HDIO_SCAN_HWIF */
+ case 'Q':
+ get_dma_q = noisy;
+ noisy = 1;
+ neg = 0;
+ GET_NUMBER(set_dma_q, dma_q);
+ if (neg)
+ dma_q = -dma_q;
+ break;
+#ifdef CONFIG_FEATURE_HDPARM_HDIO_DRIVE_RESET
+ case 'w':
+ perform_reset = 1;
+ break;
+#endif /* CONFIG_FEATURE_HDPARM_HDIO_DRIVE_RESET */
+#ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
+ case 'x':
+ if (!*p && argc && isdigit(**argv))
+ p = *argv++, --argc;
+ if (*p == '0' || *p == '1') {
+ perform_tristate = 1;
+ tristate = *p++ - '0';
+ } else
+ bb_error_msg("-x: missing value (0/1)");
+ break;
+
+#endif /* CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF */
+ case 'a':
+ get_readahead = noisy;
+ noisy = 1;
+ GET_NUMBER(set_readahead,readahead);
+ break;
+ case 'B':
+ get_apmmode = noisy;
+ noisy = 1;
+ GET_NUMBER(set_apmmode,apmmode);
+ if (!set_apmmode)
+ printf("-B: missing value (1-255)");
+ break;
+ case 't':
+ do_timings = 1;
+ do_flush = 1;
+ break;
+ case 'T':
+ do_ctimings = 1;
+ do_flush = 1;
+ break;
+#ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
+ case 'b':
+ get_busstate = noisy;
+ noisy = 1;
+ if (!*p && argc && isdigit(**argv))
+ p = *argv++, --argc;
+ switch (*p) {
+ case '0':
+ case '1':
+ case '2':
+ set_busstate = 1;
+ busstate = *p++ - '0';
+ break;
+ default:
+ break;
+ }
+ break;
+#endif
+ case 'h':
+ default:
+ bb_show_usage();
+ }
+ }
+ if (!argc)
+ bb_show_usage();
+ } else {
+ process_dev (p);
+ }
+ }
+ return 0 ;
+}
projects / platform / upstream / busybox.git / commitdiff