From 28282a3f352f1be7a4ff956fbeb0bca37bb8bc64 Mon Sep 17 00:00:00 2001 From: Luke Shumaker Date: Mon, 13 Jun 2016 11:45:15 -0400 Subject: ./move.sh --- src/grp-udev/ata_id/Makefile | 35 +++ src/grp-udev/ata_id/ata_id.c | 674 +++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 709 insertions(+) create mode 100644 src/grp-udev/ata_id/Makefile create mode 100644 src/grp-udev/ata_id/ata_id.c (limited to 'src/grp-udev/ata_id') diff --git a/src/grp-udev/ata_id/Makefile b/src/grp-udev/ata_id/Makefile new file mode 100644 index 0000000000..00a8c37ac2 --- /dev/null +++ b/src/grp-udev/ata_id/Makefile @@ -0,0 +1,35 @@ +# -*- Mode: makefile; indent-tabs-mode: t -*- +# +# This file is part of systemd. +# +# Copyright 2010-2012 Lennart Poettering +# Copyright 2010-2012 Kay Sievers +# Copyright 2013 Zbigniew Jędrzejewski-Szmek +# Copyright 2013 David Strauss +# Copyright 2016 Luke Shumaker +# +# systemd is free software; you can redistribute it and/or modify it +# under the terms of the GNU Lesser General Public License as published by +# the Free Software Foundation; either version 2.1 of the License, or +# (at your option) any later version. +# +# systemd 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 +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public License +# along with systemd; If not, see . +include $(dir $(lastword $(MAKEFILE_LIST)))/../../../config.mk +include $(topsrcdir)/build-aux/Makefile.head.mk + +ata_id_SOURCES = \ + src/udev/ata_id/ata_id.c + +ata_id_LDADD = \ + libshared.la + +udevlibexec_PROGRAMS += \ + ata_id + +include $(topsrcdir)/build-aux/Makefile.tail.mk diff --git a/src/grp-udev/ata_id/ata_id.c b/src/grp-udev/ata_id/ata_id.c new file mode 100644 index 0000000000..1e414664ce --- /dev/null +++ b/src/grp-udev/ata_id/ata_id.c @@ -0,0 +1,674 @@ +/* + * ata_id - reads product/serial number from ATA drives + * + * Copyright (C) 2005-2008 Kay Sievers + * Copyright (C) 2009 Lennart Poettering + * Copyright (C) 2009-2010 David Zeuthen + * + * 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, see . + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "libudev.h" + +#include "fd-util.h" +#include "libudev-private.h" +#include "log.h" +#include "udev-util.h" + +#define COMMAND_TIMEOUT_MSEC (30 * 1000) + +static int disk_scsi_inquiry_command(int fd, + void *buf, + size_t buf_len) +{ + uint8_t cdb[6] = { + /* + * INQUIRY, see SPC-4 section 6.4 + */ + [0] = 0x12, /* OPERATION CODE: INQUIRY */ + [3] = (buf_len >> 8), /* ALLOCATION LENGTH */ + [4] = (buf_len & 0xff), + }; + uint8_t sense[32] = {}; + struct sg_io_v4 io_v4 = { + .guard = 'Q', + .protocol = BSG_PROTOCOL_SCSI, + .subprotocol = BSG_SUB_PROTOCOL_SCSI_CMD, + .request_len = sizeof(cdb), + .request = (uintptr_t) cdb, + .max_response_len = sizeof(sense), + .response = (uintptr_t) sense, + .din_xfer_len = buf_len, + .din_xferp = (uintptr_t) buf, + .timeout = COMMAND_TIMEOUT_MSEC, + }; + int ret; + + ret = ioctl(fd, SG_IO, &io_v4); + if (ret != 0) { + /* could be that the driver doesn't do version 4, try version 3 */ + if (errno == EINVAL) { + struct sg_io_hdr io_hdr = { + .interface_id = 'S', + .cmdp = (unsigned char*) cdb, + .cmd_len = sizeof (cdb), + .dxferp = buf, + .dxfer_len = buf_len, + .sbp = sense, + .mx_sb_len = sizeof(sense), + .dxfer_direction = SG_DXFER_FROM_DEV, + .timeout = COMMAND_TIMEOUT_MSEC, + }; + + ret = ioctl(fd, SG_IO, &io_hdr); + if (ret != 0) + return ret; + + /* even if the ioctl succeeds, we need to check the return value */ + if (!(io_hdr.status == 0 && + io_hdr.host_status == 0 && + io_hdr.driver_status == 0)) { + errno = EIO; + return -1; + } + } else + return ret; + } + + /* even if the ioctl succeeds, we need to check the return value */ + if (!(io_v4.device_status == 0 && + io_v4.transport_status == 0 && + io_v4.driver_status == 0)) { + errno = EIO; + return -1; + } + + return 0; +} + +static int disk_identify_command(int fd, + void *buf, + size_t buf_len) +{ + uint8_t cdb[12] = { + /* + * ATA Pass-Through 12 byte command, as described in + * + * T10 04-262r8 ATA Command Pass-Through + * + * from http://www.t10.org/ftp/t10/document.04/04-262r8.pdf + */ + [0] = 0xa1, /* OPERATION CODE: 12 byte pass through */ + [1] = 4 << 1, /* PROTOCOL: PIO Data-in */ + [2] = 0x2e, /* OFF_LINE=0, CK_COND=1, T_DIR=1, BYT_BLOK=1, T_LENGTH=2 */ + [3] = 0, /* FEATURES */ + [4] = 1, /* SECTORS */ + [5] = 0, /* LBA LOW */ + [6] = 0, /* LBA MID */ + [7] = 0, /* LBA HIGH */ + [8] = 0 & 0x4F, /* SELECT */ + [9] = 0xEC, /* Command: ATA IDENTIFY DEVICE */ + }; + uint8_t sense[32] = {}; + uint8_t *desc = sense + 8; + struct sg_io_v4 io_v4 = { + .guard = 'Q', + .protocol = BSG_PROTOCOL_SCSI, + .subprotocol = BSG_SUB_PROTOCOL_SCSI_CMD, + .request_len = sizeof(cdb), + .request = (uintptr_t) cdb, + .max_response_len = sizeof(sense), + .response = (uintptr_t) sense, + .din_xfer_len = buf_len, + .din_xferp = (uintptr_t) buf, + .timeout = COMMAND_TIMEOUT_MSEC, + }; + int ret; + + ret = ioctl(fd, SG_IO, &io_v4); + if (ret != 0) { + /* could be that the driver doesn't do version 4, try version 3 */ + if (errno == EINVAL) { + struct sg_io_hdr io_hdr = { + .interface_id = 'S', + .cmdp = (unsigned char*) cdb, + .cmd_len = sizeof (cdb), + .dxferp = buf, + .dxfer_len = buf_len, + .sbp = sense, + .mx_sb_len = sizeof (sense), + .dxfer_direction = SG_DXFER_FROM_DEV, + .timeout = COMMAND_TIMEOUT_MSEC, + }; + + ret = ioctl(fd, SG_IO, &io_hdr); + if (ret != 0) + return ret; + } else + return ret; + } + + if (!(sense[0] == 0x72 && desc[0] == 0x9 && desc[1] == 0x0c)) { + errno = EIO; + return -1; + } + + return 0; +} + +static int disk_identify_packet_device_command(int fd, + void *buf, + size_t buf_len) +{ + uint8_t cdb[16] = { + /* + * ATA Pass-Through 16 byte command, as described in + * + * T10 04-262r8 ATA Command Pass-Through + * + * from http://www.t10.org/ftp/t10/document.04/04-262r8.pdf + */ + [0] = 0x85, /* OPERATION CODE: 16 byte pass through */ + [1] = 4 << 1, /* PROTOCOL: PIO Data-in */ + [2] = 0x2e, /* OFF_LINE=0, CK_COND=1, T_DIR=1, BYT_BLOK=1, T_LENGTH=2 */ + [3] = 0, /* FEATURES */ + [4] = 0, /* FEATURES */ + [5] = 0, /* SECTORS */ + [6] = 1, /* SECTORS */ + [7] = 0, /* LBA LOW */ + [8] = 0, /* LBA LOW */ + [9] = 0, /* LBA MID */ + [10] = 0, /* LBA MID */ + [11] = 0, /* LBA HIGH */ + [12] = 0, /* LBA HIGH */ + [13] = 0, /* DEVICE */ + [14] = 0xA1, /* Command: ATA IDENTIFY PACKET DEVICE */ + [15] = 0, /* CONTROL */ + }; + uint8_t sense[32] = {}; + uint8_t *desc = sense + 8; + struct sg_io_v4 io_v4 = { + .guard = 'Q', + .protocol = BSG_PROTOCOL_SCSI, + .subprotocol = BSG_SUB_PROTOCOL_SCSI_CMD, + .request_len = sizeof (cdb), + .request = (uintptr_t) cdb, + .max_response_len = sizeof (sense), + .response = (uintptr_t) sense, + .din_xfer_len = buf_len, + .din_xferp = (uintptr_t) buf, + .timeout = COMMAND_TIMEOUT_MSEC, + }; + int ret; + + ret = ioctl(fd, SG_IO, &io_v4); + if (ret != 0) { + /* could be that the driver doesn't do version 4, try version 3 */ + if (errno == EINVAL) { + struct sg_io_hdr io_hdr = { + .interface_id = 'S', + .cmdp = (unsigned char*) cdb, + .cmd_len = sizeof (cdb), + .dxferp = buf, + .dxfer_len = buf_len, + .sbp = sense, + .mx_sb_len = sizeof (sense), + .dxfer_direction = SG_DXFER_FROM_DEV, + .timeout = COMMAND_TIMEOUT_MSEC, + }; + + ret = ioctl(fd, SG_IO, &io_hdr); + if (ret != 0) + return ret; + } else + return ret; + } + + if (!(sense[0] == 0x72 && desc[0] == 0x9 && desc[1] == 0x0c)) { + errno = EIO; + return -1; + } + + return 0; +} + +/** + * disk_identify_get_string: + * @identify: A block of IDENTIFY data + * @offset_words: Offset of the string to get, in words. + * @dest: Destination buffer for the string. + * @dest_len: Length of destination buffer, in bytes. + * + * Copies the ATA string from @identify located at @offset_words into @dest. + */ +static void disk_identify_get_string(uint8_t identify[512], + unsigned int offset_words, + char *dest, + size_t dest_len) +{ + unsigned int c1; + unsigned int c2; + + while (dest_len > 0) { + c1 = identify[offset_words * 2 + 1]; + c2 = identify[offset_words * 2]; + *dest = c1; + dest++; + *dest = c2; + dest++; + offset_words++; + dest_len -= 2; + } +} + +static void disk_identify_fixup_string(uint8_t identify[512], + unsigned int offset_words, + size_t len) +{ + disk_identify_get_string(identify, offset_words, + (char *) identify + offset_words * 2, len); +} + +static void disk_identify_fixup_uint16 (uint8_t identify[512], unsigned int offset_words) +{ + uint16_t *p; + + p = (uint16_t *) identify; + p[offset_words] = le16toh (p[offset_words]); +} + +/** + * disk_identify: + * @udev: The libudev context. + * @fd: File descriptor for the block device. + * @out_identify: Return location for IDENTIFY data. + * @out_is_packet_device: Return location for whether returned data is from a IDENTIFY PACKET DEVICE. + * + * Sends the IDENTIFY DEVICE or IDENTIFY PACKET DEVICE command to the + * device represented by @fd. If successful, then the result will be + * copied into @out_identify and @out_is_packet_device. + * + * This routine is based on code from libatasmart, Copyright 2008 + * Lennart Poettering, LGPL v2.1. + * + * Returns: 0 if the data was successfully obtained, otherwise + * non-zero with errno set. + */ +static int disk_identify(struct udev *udev, + int fd, + uint8_t out_identify[512], + int *out_is_packet_device) +{ + int ret; + uint8_t inquiry_buf[36]; + int peripheral_device_type; + int all_nul_bytes; + int n; + int is_packet_device = 0; + + /* init results */ + memzero(out_identify, 512); + + /* If we were to use ATA PASS_THROUGH (12) on an ATAPI device + * we could accidentally blank media. This is because MMC's BLANK + * command has the same op-code (0x61). + * + * To prevent this from happening we bail out if the device + * isn't a Direct Access Block Device, e.g. SCSI type 0x00 + * (CD/DVD devices are type 0x05). So we send a SCSI INQUIRY + * command first... libata is handling this via its SCSI + * emulation layer. + * + * This also ensures that we're actually dealing with a device + * that understands SCSI commands. + * + * (Yes, it is a bit perverse that we're tunneling the ATA + * command through SCSI and relying on the ATA driver + * emulating SCSI well-enough...) + * + * (See commit 160b069c25690bfb0c785994c7c3710289179107 for + * the original bug-fix and see http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=556635 + * for the original bug-report.) + */ + ret = disk_scsi_inquiry_command (fd, inquiry_buf, sizeof (inquiry_buf)); + if (ret != 0) + goto out; + + /* SPC-4, section 6.4.2: Standard INQUIRY data */ + peripheral_device_type = inquiry_buf[0] & 0x1f; + if (peripheral_device_type == 0x05) + { + is_packet_device = 1; + ret = disk_identify_packet_device_command(fd, out_identify, 512); + goto check_nul_bytes; + } + if (peripheral_device_type != 0x00) { + ret = -1; + errno = EIO; + goto out; + } + + /* OK, now issue the IDENTIFY DEVICE command */ + ret = disk_identify_command(fd, out_identify, 512); + if (ret != 0) + goto out; + + check_nul_bytes: + /* Check if IDENTIFY data is all NUL bytes - if so, bail */ + all_nul_bytes = 1; + for (n = 0; n < 512; n++) { + if (out_identify[n] != '\0') { + all_nul_bytes = 0; + break; + } + } + + if (all_nul_bytes) { + ret = -1; + errno = EIO; + goto out; + } + +out: + if (out_is_packet_device != NULL) + *out_is_packet_device = is_packet_device; + return ret; +} + +int main(int argc, char *argv[]) +{ + _cleanup_udev_unref_ struct udev *udev = NULL; + struct hd_driveid id; + union { + uint8_t byte[512]; + uint16_t wyde[256]; + } identify; + char model[41]; + char model_enc[256]; + char serial[21]; + char revision[9]; + const char *node = NULL; + int export = 0; + _cleanup_close_ int fd = -1; + uint16_t word; + int is_packet_device = 0; + static const struct option options[] = { + { "export", no_argument, NULL, 'x' }, + { "help", no_argument, NULL, 'h' }, + {} + }; + + log_parse_environment(); + log_open(); + + udev = udev_new(); + if (udev == NULL) + return 0; + + for (;;) { + int option; + + option = getopt_long(argc, argv, "xh", options, NULL); + if (option == -1) + break; + + switch (option) { + case 'x': + export = 1; + break; + case 'h': + printf("Usage: ata_id [--export] [--help] \n" + " -x,--export print values as environment keys\n" + " -h,--help print this help text\n\n"); + return 0; + } + } + + node = argv[optind]; + if (node == NULL) { + log_error("no node specified"); + return 1; + } + + fd = open(node, O_RDONLY|O_NONBLOCK|O_CLOEXEC); + if (fd < 0) { + log_error("unable to open '%s'", node); + return 1; + } + + if (disk_identify(udev, fd, identify.byte, &is_packet_device) == 0) { + /* + * fix up only the fields from the IDENTIFY data that we are going to + * use and copy it into the hd_driveid struct for convenience + */ + disk_identify_fixup_string(identify.byte, 10, 20); /* serial */ + disk_identify_fixup_string(identify.byte, 23, 8); /* fwrev */ + disk_identify_fixup_string(identify.byte, 27, 40); /* model */ + disk_identify_fixup_uint16(identify.byte, 0); /* configuration */ + disk_identify_fixup_uint16(identify.byte, 75); /* queue depth */ + disk_identify_fixup_uint16(identify.byte, 76); /* SATA capabilities */ + disk_identify_fixup_uint16(identify.byte, 82); /* command set supported */ + disk_identify_fixup_uint16(identify.byte, 83); /* command set supported */ + disk_identify_fixup_uint16(identify.byte, 84); /* command set supported */ + disk_identify_fixup_uint16(identify.byte, 85); /* command set supported */ + disk_identify_fixup_uint16(identify.byte, 86); /* command set supported */ + disk_identify_fixup_uint16(identify.byte, 87); /* command set supported */ + disk_identify_fixup_uint16(identify.byte, 89); /* time required for SECURITY ERASE UNIT */ + disk_identify_fixup_uint16(identify.byte, 90); /* time required for enhanced SECURITY ERASE UNIT */ + disk_identify_fixup_uint16(identify.byte, 91); /* current APM values */ + disk_identify_fixup_uint16(identify.byte, 94); /* current AAM value */ + disk_identify_fixup_uint16(identify.byte, 108); /* WWN */ + disk_identify_fixup_uint16(identify.byte, 109); /* WWN */ + disk_identify_fixup_uint16(identify.byte, 110); /* WWN */ + disk_identify_fixup_uint16(identify.byte, 111); /* WWN */ + disk_identify_fixup_uint16(identify.byte, 128); /* device lock function */ + disk_identify_fixup_uint16(identify.byte, 217); /* nominal media rotation rate */ + memcpy(&id, identify.byte, sizeof id); + } else { + /* If this fails, then try HDIO_GET_IDENTITY */ + if (ioctl(fd, HDIO_GET_IDENTITY, &id) != 0) { + log_debug_errno(errno, "HDIO_GET_IDENTITY failed for '%s': %m", node); + return 2; + } + } + + memcpy(model, id.model, 40); + model[40] = '\0'; + udev_util_encode_string(model, model_enc, sizeof(model_enc)); + util_replace_whitespace((char *) id.model, model, 40); + util_replace_chars(model, NULL); + util_replace_whitespace((char *) id.serial_no, serial, 20); + util_replace_chars(serial, NULL); + util_replace_whitespace((char *) id.fw_rev, revision, 8); + util_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 (word != 0x0000 && word != 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 (identify.wyde[0] == 0x848a || + identify.wyde[0] == 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; +} -- cgit v1.2.3-54-g00ecf