652 lines
26 KiB
C
652 lines
26 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* ata_id - reads product/serial number from ATA drives
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*
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* Copyright © 2009-2010 David Zeuthen <zeuthen@gmail.com>
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*/
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#include <ctype.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <getopt.h>
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#include <linux/bsg.h>
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#include <linux/hdreg.h>
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#include <scsi/scsi.h>
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#include <scsi/scsi_ioctl.h>
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#include <scsi/sg.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/ioctl.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include "device-nodes.h"
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#include "fd-util.h"
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#include "log.h"
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#include "memory-util.h"
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#include "udev-util.h"
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#define COMMAND_TIMEOUT_MSEC (30 * 1000)
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static int disk_scsi_inquiry_command(
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int fd,
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void *buf,
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size_t buf_len) {
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uint8_t cdb[6] = {
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/* INQUIRY, see SPC-4 section 6.4 */
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[0] = 0x12, /* OPERATION CODE: INQUIRY */
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[3] = (buf_len >> 8), /* ALLOCATION LENGTH */
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[4] = (buf_len & 0xff),
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};
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uint8_t sense[32] = {};
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struct sg_io_v4 io_v4 = {
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.guard = 'Q',
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.protocol = BSG_PROTOCOL_SCSI,
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.subprotocol = BSG_SUB_PROTOCOL_SCSI_CMD,
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.request_len = sizeof(cdb),
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.request = (uintptr_t) cdb,
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.max_response_len = sizeof(sense),
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.response = (uintptr_t) sense,
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.din_xfer_len = buf_len,
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.din_xferp = (uintptr_t) buf,
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.timeout = COMMAND_TIMEOUT_MSEC,
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};
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int ret;
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ret = ioctl(fd, SG_IO, &io_v4);
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if (ret != 0) {
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/* could be that the driver doesn't do version 4, try version 3 */
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if (errno == EINVAL) {
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struct sg_io_hdr io_hdr = {
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.interface_id = 'S',
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.cmdp = (unsigned char*) cdb,
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.cmd_len = sizeof (cdb),
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.dxferp = buf,
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.dxfer_len = buf_len,
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.sbp = sense,
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.mx_sb_len = sizeof(sense),
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.dxfer_direction = SG_DXFER_FROM_DEV,
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.timeout = COMMAND_TIMEOUT_MSEC,
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};
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ret = ioctl(fd, SG_IO, &io_hdr);
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if (ret != 0)
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return ret;
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/* even if the ioctl succeeds, we need to check the return value */
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if (!(io_hdr.status == 0 &&
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io_hdr.host_status == 0 &&
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io_hdr.driver_status == 0)) {
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errno = EIO;
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return -1;
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}
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} else
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return ret;
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}
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/* even if the ioctl succeeds, we need to check the return value */
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if (!(io_v4.device_status == 0 &&
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io_v4.transport_status == 0 &&
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io_v4.driver_status == 0)) {
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errno = EIO;
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return -1;
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}
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return 0;
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}
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static int disk_identify_command(
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int fd,
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void *buf,
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size_t buf_len) {
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uint8_t cdb[12] = {
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/*
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* ATA Pass-Through 12 byte command, as described in
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*
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* T10 04-262r8 ATA Command Pass-Through
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*
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* from http://www.t10.org/ftp/t10/document.04/04-262r8.pdf
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*/
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[0] = 0xa1, /* OPERATION CODE: 12 byte pass through */
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[1] = 4 << 1, /* PROTOCOL: PIO Data-in */
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[2] = 0x2e, /* OFF_LINE=0, CK_COND=1, T_DIR=1, BYT_BLOK=1, T_LENGTH=2 */
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[3] = 0, /* FEATURES */
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[4] = 1, /* SECTORS */
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[5] = 0, /* LBA LOW */
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[6] = 0, /* LBA MID */
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[7] = 0, /* LBA HIGH */
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[8] = 0 & 0x4F, /* SELECT */
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[9] = 0xEC, /* Command: ATA IDENTIFY DEVICE */
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};
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uint8_t sense[32] = {};
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uint8_t *desc = sense + 8;
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struct sg_io_v4 io_v4 = {
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.guard = 'Q',
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.protocol = BSG_PROTOCOL_SCSI,
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.subprotocol = BSG_SUB_PROTOCOL_SCSI_CMD,
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.request_len = sizeof(cdb),
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.request = (uintptr_t) cdb,
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.max_response_len = sizeof(sense),
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.response = (uintptr_t) sense,
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.din_xfer_len = buf_len,
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.din_xferp = (uintptr_t) buf,
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.timeout = COMMAND_TIMEOUT_MSEC,
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};
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int ret;
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ret = ioctl(fd, SG_IO, &io_v4);
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if (ret != 0) {
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/* could be that the driver doesn't do version 4, try version 3 */
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if (errno == EINVAL) {
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struct sg_io_hdr io_hdr = {
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.interface_id = 'S',
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.cmdp = (unsigned char*) cdb,
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.cmd_len = sizeof (cdb),
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.dxferp = buf,
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.dxfer_len = buf_len,
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.sbp = sense,
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.mx_sb_len = sizeof (sense),
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.dxfer_direction = SG_DXFER_FROM_DEV,
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.timeout = COMMAND_TIMEOUT_MSEC,
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};
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ret = ioctl(fd, SG_IO, &io_hdr);
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if (ret != 0)
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return ret;
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} else
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return ret;
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}
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if (!(sense[0] == 0x72 && desc[0] == 0x9 && desc[1] == 0x0c) &&
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!(sense[0] == 0x70 && sense[12] == 0x00 && sense[13] == 0x1d)) {
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errno = EIO;
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return -1;
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}
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return 0;
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}
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static int disk_identify_packet_device_command(
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int fd,
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void *buf,
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size_t buf_len) {
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uint8_t cdb[16] = {
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/*
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* ATA Pass-Through 16 byte command, as described in
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*
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* T10 04-262r8 ATA Command Pass-Through
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*
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* from http://www.t10.org/ftp/t10/document.04/04-262r8.pdf
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*/
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[0] = 0x85, /* OPERATION CODE: 16 byte pass through */
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[1] = 4 << 1, /* PROTOCOL: PIO Data-in */
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[2] = 0x2e, /* OFF_LINE=0, CK_COND=1, T_DIR=1, BYT_BLOK=1, T_LENGTH=2 */
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[3] = 0, /* FEATURES */
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[4] = 0, /* FEATURES */
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[5] = 0, /* SECTORS */
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[6] = 1, /* SECTORS */
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[7] = 0, /* LBA LOW */
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[8] = 0, /* LBA LOW */
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[9] = 0, /* LBA MID */
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[10] = 0, /* LBA MID */
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[11] = 0, /* LBA HIGH */
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[12] = 0, /* LBA HIGH */
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[13] = 0, /* DEVICE */
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[14] = 0xA1, /* Command: ATA IDENTIFY PACKET DEVICE */
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[15] = 0, /* CONTROL */
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};
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uint8_t sense[32] = {};
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uint8_t *desc = sense + 8;
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struct sg_io_v4 io_v4 = {
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.guard = 'Q',
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.protocol = BSG_PROTOCOL_SCSI,
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.subprotocol = BSG_SUB_PROTOCOL_SCSI_CMD,
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.request_len = sizeof (cdb),
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.request = (uintptr_t) cdb,
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.max_response_len = sizeof (sense),
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.response = (uintptr_t) sense,
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.din_xfer_len = buf_len,
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.din_xferp = (uintptr_t) buf,
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.timeout = COMMAND_TIMEOUT_MSEC,
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};
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int ret;
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ret = ioctl(fd, SG_IO, &io_v4);
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if (ret != 0) {
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/* could be that the driver doesn't do version 4, try version 3 */
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if (errno == EINVAL) {
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struct sg_io_hdr io_hdr = {
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.interface_id = 'S',
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.cmdp = (unsigned char*) cdb,
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.cmd_len = sizeof (cdb),
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.dxferp = buf,
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.dxfer_len = buf_len,
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.sbp = sense,
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.mx_sb_len = sizeof (sense),
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.dxfer_direction = SG_DXFER_FROM_DEV,
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.timeout = COMMAND_TIMEOUT_MSEC,
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};
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ret = ioctl(fd, SG_IO, &io_hdr);
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if (ret != 0)
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return ret;
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} else
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return ret;
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}
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if (!(sense[0] == 0x72 && desc[0] == 0x9 && desc[1] == 0x0c)) {
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errno = EIO;
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return -1;
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}
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return 0;
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}
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/**
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* disk_identify_get_string:
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* @identify: A block of IDENTIFY data
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* @offset_words: Offset of the string to get, in words.
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* @dest: Destination buffer for the string.
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* @dest_len: Length of destination buffer, in bytes.
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*
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* Copies the ATA string from @identify located at @offset_words into @dest.
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*/
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static void disk_identify_get_string(
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uint8_t identify[512],
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unsigned offset_words,
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char *dest,
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size_t dest_len) {
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unsigned c1;
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unsigned c2;
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while (dest_len > 0) {
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c1 = identify[offset_words * 2 + 1];
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c2 = identify[offset_words * 2];
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*dest = c1;
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dest++;
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*dest = c2;
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dest++;
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offset_words++;
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dest_len -= 2;
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}
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}
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static void disk_identify_fixup_string(
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uint8_t identify[512],
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unsigned offset_words,
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size_t len) {
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disk_identify_get_string(identify, offset_words,
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(char *) identify + offset_words * 2, len);
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}
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static void disk_identify_fixup_uint16 (uint8_t identify[512], unsigned offset_words) {
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uint16_t *p;
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p = (uint16_t *) identify;
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p[offset_words] = le16toh (p[offset_words]);
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}
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/**
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* disk_identify:
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* @fd: File descriptor for the block device.
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* @out_identify: Return location for IDENTIFY data.
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* @out_is_packet_device: Return location for whether returned data is from a IDENTIFY PACKET DEVICE.
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*
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* Sends the IDENTIFY DEVICE or IDENTIFY PACKET DEVICE command to the
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* device represented by @fd. If successful, then the result will be
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* copied into @out_identify and @out_is_packet_device.
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*
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* This routine is based on code from libatasmart, LGPL v2.1.
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*
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* Returns: 0 if the data was successfully obtained, otherwise
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* non-zero with errno set.
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*/
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static int disk_identify(int fd,
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uint8_t out_identify[512],
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int *out_is_packet_device) {
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int ret;
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uint8_t inquiry_buf[36];
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int peripheral_device_type;
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int all_nul_bytes;
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int n;
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int is_packet_device = 0;
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/* init results */
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memzero(out_identify, 512);
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/* If we were to use ATA PASS_THROUGH (12) on an ATAPI device
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* we could accidentally blank media. This is because MMC's BLANK
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* command has the same op-code (0x61).
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*
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* To prevent this from happening we bail out if the device
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* isn't a Direct Access Block Device, e.g. SCSI type 0x00
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* (CD/DVD devices are type 0x05). So we send a SCSI INQUIRY
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* command first... libata is handling this via its SCSI
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* emulation layer.
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*
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* This also ensures that we're actually dealing with a device
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* that understands SCSI commands.
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*
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* (Yes, it is a bit perverse that we're tunneling the ATA
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* command through SCSI and relying on the ATA driver
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* emulating SCSI well-enough...)
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*
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* (See commit 160b069c25690bfb0c785994c7c3710289179107 for
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* the original bug-fix and see http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=556635
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* for the original bug-report.)
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*/
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ret = disk_scsi_inquiry_command (fd, inquiry_buf, sizeof (inquiry_buf));
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if (ret != 0)
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goto out;
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/* SPC-4, section 6.4.2: Standard INQUIRY data */
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peripheral_device_type = inquiry_buf[0] & 0x1f;
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if (peripheral_device_type == 0x05)
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{
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is_packet_device = 1;
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ret = disk_identify_packet_device_command(fd, out_identify, 512);
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goto check_nul_bytes;
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}
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if (!IN_SET(peripheral_device_type, 0x00, 0x14)) {
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ret = -1;
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errno = EIO;
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goto out;
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}
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/* OK, now issue the IDENTIFY DEVICE command */
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ret = disk_identify_command(fd, out_identify, 512);
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if (ret != 0)
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goto out;
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check_nul_bytes:
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/* Check if IDENTIFY data is all NUL bytes - if so, bail */
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all_nul_bytes = 1;
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for (n = 0; n < 512; n++) {
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if (out_identify[n] != '\0') {
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all_nul_bytes = 0;
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break;
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}
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}
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if (all_nul_bytes) {
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ret = -1;
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errno = EIO;
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goto out;
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}
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out:
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if (out_is_packet_device)
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*out_is_packet_device = is_packet_device;
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return ret;
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}
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int main(int argc, char *argv[]) {
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struct hd_driveid id;
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union {
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uint8_t byte[512];
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uint16_t wyde[256];
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} identify;
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char model[41];
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char model_enc[256];
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char serial[21];
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char revision[9];
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const char *node = NULL;
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int export = 0;
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_cleanup_close_ int fd = -1;
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uint16_t word;
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int is_packet_device = 0;
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static const struct option options[] = {
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{ "export", no_argument, NULL, 'x' },
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{ "help", no_argument, NULL, 'h' },
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{}
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};
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log_set_target(LOG_TARGET_AUTO);
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udev_parse_config();
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log_parse_environment();
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log_open();
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for (;;) {
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int option;
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option = getopt_long(argc, argv, "xh", options, NULL);
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if (option == -1)
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break;
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switch (option) {
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case 'x':
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export = 1;
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break;
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case 'h':
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printf("Usage: %s [--export] [--help] <device>\n"
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" -x,--export print values as environment keys\n"
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" -h,--help print this help text\n\n",
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program_invocation_short_name);
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return 0;
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}
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}
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node = argv[optind];
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if (!node) {
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log_error("no node specified");
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return 1;
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}
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fd = open(node, O_RDONLY|O_NONBLOCK|O_CLOEXEC);
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if (fd < 0) {
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log_error("unable to open '%s'", node);
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return 1;
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}
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if (disk_identify(fd, identify.byte, &is_packet_device) == 0) {
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/*
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* fix up only the fields from the IDENTIFY data that we are going to
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* use and copy it into the hd_driveid struct for convenience
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*/
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disk_identify_fixup_string(identify.byte, 10, 20); /* serial */
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disk_identify_fixup_string(identify.byte, 23, 8); /* fwrev */
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disk_identify_fixup_string(identify.byte, 27, 40); /* model */
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disk_identify_fixup_uint16(identify.byte, 0); /* configuration */
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disk_identify_fixup_uint16(identify.byte, 75); /* queue depth */
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disk_identify_fixup_uint16(identify.byte, 76); /* SATA capabilities */
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disk_identify_fixup_uint16(identify.byte, 82); /* command set supported */
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disk_identify_fixup_uint16(identify.byte, 83); /* command set supported */
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disk_identify_fixup_uint16(identify.byte, 84); /* command set supported */
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disk_identify_fixup_uint16(identify.byte, 85); /* command set supported */
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disk_identify_fixup_uint16(identify.byte, 86); /* command set supported */
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disk_identify_fixup_uint16(identify.byte, 87); /* command set supported */
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disk_identify_fixup_uint16(identify.byte, 89); /* time required for SECURITY ERASE UNIT */
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disk_identify_fixup_uint16(identify.byte, 90); /* time required for enhanced SECURITY ERASE UNIT */
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disk_identify_fixup_uint16(identify.byte, 91); /* current APM values */
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disk_identify_fixup_uint16(identify.byte, 94); /* current AAM value */
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disk_identify_fixup_uint16(identify.byte, 108); /* WWN */
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disk_identify_fixup_uint16(identify.byte, 109); /* WWN */
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disk_identify_fixup_uint16(identify.byte, 110); /* WWN */
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disk_identify_fixup_uint16(identify.byte, 111); /* WWN */
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disk_identify_fixup_uint16(identify.byte, 128); /* device lock function */
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disk_identify_fixup_uint16(identify.byte, 217); /* nominal media rotation rate */
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memcpy(&id, identify.byte, sizeof id);
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} else {
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/* If this fails, then try HDIO_GET_IDENTITY */
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if (ioctl(fd, HDIO_GET_IDENTITY, &id) != 0) {
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log_debug_errno(errno, "HDIO_GET_IDENTITY failed for '%s': %m", node);
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return 2;
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}
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}
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memcpy(model, id.model, 40);
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model[40] = '\0';
|
|
encode_devnode_name(model, model_enc, sizeof(model_enc));
|
|
udev_replace_whitespace((char *) id.model, model, 40);
|
|
udev_replace_chars(model, NULL);
|
|
udev_replace_whitespace((char *) id.serial_no, serial, 20);
|
|
udev_replace_chars(serial, NULL);
|
|
udev_replace_whitespace((char *) id.fw_rev, revision, 8);
|
|
udev_replace_chars(revision, NULL);
|
|
|
|
if (export) {
|
|
/* Set this to convey the disk speaks the ATA protocol */
|
|
printf("ID_ATA=1\n");
|
|
|
|
if ((id.config >> 8) & 0x80) {
|
|
/* This is an ATAPI device */
|
|
switch ((id.config >> 8) & 0x1f) {
|
|
case 0:
|
|
printf("ID_TYPE=cd\n");
|
|
break;
|
|
case 1:
|
|
printf("ID_TYPE=tape\n");
|
|
break;
|
|
case 5:
|
|
printf("ID_TYPE=cd\n");
|
|
break;
|
|
case 7:
|
|
printf("ID_TYPE=optical\n");
|
|
break;
|
|
default:
|
|
printf("ID_TYPE=generic\n");
|
|
break;
|
|
}
|
|
} else
|
|
printf("ID_TYPE=disk\n");
|
|
printf("ID_BUS=ata\n");
|
|
printf("ID_MODEL=%s\n", model);
|
|
printf("ID_MODEL_ENC=%s\n", model_enc);
|
|
printf("ID_REVISION=%s\n", revision);
|
|
if (serial[0] != '\0') {
|
|
printf("ID_SERIAL=%s_%s\n", model, serial);
|
|
printf("ID_SERIAL_SHORT=%s\n", serial);
|
|
} else
|
|
printf("ID_SERIAL=%s\n", model);
|
|
|
|
if (id.command_set_1 & (1<<5)) {
|
|
printf("ID_ATA_WRITE_CACHE=1\n");
|
|
printf("ID_ATA_WRITE_CACHE_ENABLED=%d\n", (id.cfs_enable_1 & (1<<5)) ? 1 : 0);
|
|
}
|
|
if (id.command_set_1 & (1<<10)) {
|
|
printf("ID_ATA_FEATURE_SET_HPA=1\n");
|
|
printf("ID_ATA_FEATURE_SET_HPA_ENABLED=%d\n", (id.cfs_enable_1 & (1<<10)) ? 1 : 0);
|
|
|
|
/*
|
|
* TODO: use the READ NATIVE MAX ADDRESS command to get the native max address
|
|
* so it is easy to check whether the protected area is in use.
|
|
*/
|
|
}
|
|
if (id.command_set_1 & (1<<3)) {
|
|
printf("ID_ATA_FEATURE_SET_PM=1\n");
|
|
printf("ID_ATA_FEATURE_SET_PM_ENABLED=%d\n", (id.cfs_enable_1 & (1<<3)) ? 1 : 0);
|
|
}
|
|
if (id.command_set_1 & (1<<1)) {
|
|
printf("ID_ATA_FEATURE_SET_SECURITY=1\n");
|
|
printf("ID_ATA_FEATURE_SET_SECURITY_ENABLED=%d\n", (id.cfs_enable_1 & (1<<1)) ? 1 : 0);
|
|
printf("ID_ATA_FEATURE_SET_SECURITY_ERASE_UNIT_MIN=%d\n", id.trseuc * 2);
|
|
if ((id.cfs_enable_1 & (1<<1))) /* enabled */ {
|
|
if (id.dlf & (1<<8))
|
|
printf("ID_ATA_FEATURE_SET_SECURITY_LEVEL=maximum\n");
|
|
else
|
|
printf("ID_ATA_FEATURE_SET_SECURITY_LEVEL=high\n");
|
|
}
|
|
if (id.dlf & (1<<5))
|
|
printf("ID_ATA_FEATURE_SET_SECURITY_ENHANCED_ERASE_UNIT_MIN=%d\n", id.trsEuc * 2);
|
|
if (id.dlf & (1<<4))
|
|
printf("ID_ATA_FEATURE_SET_SECURITY_EXPIRE=1\n");
|
|
if (id.dlf & (1<<3))
|
|
printf("ID_ATA_FEATURE_SET_SECURITY_FROZEN=1\n");
|
|
if (id.dlf & (1<<2))
|
|
printf("ID_ATA_FEATURE_SET_SECURITY_LOCKED=1\n");
|
|
}
|
|
if (id.command_set_1 & (1<<0)) {
|
|
printf("ID_ATA_FEATURE_SET_SMART=1\n");
|
|
printf("ID_ATA_FEATURE_SET_SMART_ENABLED=%d\n", (id.cfs_enable_1 & (1<<0)) ? 1 : 0);
|
|
}
|
|
if (id.command_set_2 & (1<<9)) {
|
|
printf("ID_ATA_FEATURE_SET_AAM=1\n");
|
|
printf("ID_ATA_FEATURE_SET_AAM_ENABLED=%d\n", (id.cfs_enable_2 & (1<<9)) ? 1 : 0);
|
|
printf("ID_ATA_FEATURE_SET_AAM_VENDOR_RECOMMENDED_VALUE=%d\n", id.acoustic >> 8);
|
|
printf("ID_ATA_FEATURE_SET_AAM_CURRENT_VALUE=%d\n", id.acoustic & 0xff);
|
|
}
|
|
if (id.command_set_2 & (1<<5)) {
|
|
printf("ID_ATA_FEATURE_SET_PUIS=1\n");
|
|
printf("ID_ATA_FEATURE_SET_PUIS_ENABLED=%d\n", (id.cfs_enable_2 & (1<<5)) ? 1 : 0);
|
|
}
|
|
if (id.command_set_2 & (1<<3)) {
|
|
printf("ID_ATA_FEATURE_SET_APM=1\n");
|
|
printf("ID_ATA_FEATURE_SET_APM_ENABLED=%d\n", (id.cfs_enable_2 & (1<<3)) ? 1 : 0);
|
|
if ((id.cfs_enable_2 & (1<<3)))
|
|
printf("ID_ATA_FEATURE_SET_APM_CURRENT_VALUE=%d\n", id.CurAPMvalues & 0xff);
|
|
}
|
|
if (id.command_set_2 & (1<<0))
|
|
printf("ID_ATA_DOWNLOAD_MICROCODE=1\n");
|
|
|
|
/*
|
|
* Word 76 indicates the capabilities of a SATA device. A PATA device shall set
|
|
* word 76 to 0000h or FFFFh. If word 76 is set to 0000h or FFFFh, then
|
|
* the device does not claim compliance with the Serial ATA specification and words
|
|
* 76 through 79 are not valid and shall be ignored.
|
|
*/
|
|
|
|
word = identify.wyde[76];
|
|
if (!IN_SET(word, 0x0000, 0xffff)) {
|
|
printf("ID_ATA_SATA=1\n");
|
|
/*
|
|
* If bit 2 of word 76 is set to one, then the device supports the Gen2
|
|
* signaling rate of 3.0 Gb/s (see SATA 2.6).
|
|
*
|
|
* If bit 1 of word 76 is set to one, then the device supports the Gen1
|
|
* signaling rate of 1.5 Gb/s (see SATA 2.6).
|
|
*/
|
|
if (word & (1<<2))
|
|
printf("ID_ATA_SATA_SIGNAL_RATE_GEN2=1\n");
|
|
if (word & (1<<1))
|
|
printf("ID_ATA_SATA_SIGNAL_RATE_GEN1=1\n");
|
|
}
|
|
|
|
/* Word 217 indicates the nominal media rotation rate of the device */
|
|
word = identify.wyde[217];
|
|
if (word == 0x0001)
|
|
printf ("ID_ATA_ROTATION_RATE_RPM=0\n"); /* non-rotating e.g. SSD */
|
|
else if (word >= 0x0401 && word <= 0xfffe)
|
|
printf ("ID_ATA_ROTATION_RATE_RPM=%d\n", word);
|
|
|
|
/*
|
|
* Words 108-111 contain a mandatory World Wide Name (WWN) in the NAA IEEE Registered identifier
|
|
* format. Word 108 bits (15:12) shall contain 5h, indicating that the naming authority is IEEE.
|
|
* All other values are reserved.
|
|
*/
|
|
word = identify.wyde[108];
|
|
if ((word & 0xf000) == 0x5000) {
|
|
uint64_t wwwn;
|
|
|
|
wwwn = identify.wyde[108];
|
|
wwwn <<= 16;
|
|
wwwn |= identify.wyde[109];
|
|
wwwn <<= 16;
|
|
wwwn |= identify.wyde[110];
|
|
wwwn <<= 16;
|
|
wwwn |= identify.wyde[111];
|
|
printf("ID_WWN=0x%1$" PRIx64 "\n"
|
|
"ID_WWN_WITH_EXTENSION=0x%1$" PRIx64 "\n",
|
|
wwwn);
|
|
}
|
|
|
|
/* from Linux's include/linux/ata.h */
|
|
if (IN_SET(identify.wyde[0], 0x848a, 0x844a) ||
|
|
(identify.wyde[83] & 0xc004) == 0x4004)
|
|
printf("ID_ATA_CFA=1\n");
|
|
} else {
|
|
if (serial[0] != '\0')
|
|
printf("%s_%s\n", model, serial);
|
|
else
|
|
printf("%s\n", model);
|
|
}
|
|
|
|
return 0;
|
|
}
|