Fork of Original Code Base: anongit.freedesktop.org/systemd

This is the initial fork of the code base from freedsktop.org.
The code is provided here as a reference of the initial starting
point and for possible future checkouts after a large portion
of this code is removed.

Merge git://anongit.freedesktop.org/systemd/systemd

1 files changed, 714 insertions, 0 deletions

diff --git a/src/udev/ata_id/ata_id.c b/src/udev/ata_id/ata_id.c
new file mode 100644
index 0000000000..488fed4ac4
--- /dev/null
+++ b/src/udev/ata_id/ata_id.c
@@ -0,0 +1,714 @@
+/*
+ * ata_id - reads product/serial number from ATA drives
+ *
+ * Copyright (C) 2005-2008 Kay Sievers <kay@vrfy.org>
+ * Copyright (C) 2009 Lennart Poettering <lennart@poettering.net>
+ * Copyright (C) 2009-2010 David Zeuthen <zeuthen@gmail.com>
+ *
+ * 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 <http://www.gnu.org/licenses/>.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <ctype.h>
+#include <string.h>
+#include <errno.h>
+#include <getopt.h>
+#include <scsi/scsi.h>
+#include <scsi/sg.h>
+#include <scsi/scsi_ioctl.h>
+#include <sys/ioctl.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <linux/types.h>
+#include <linux/hdreg.h>
+#include <linux/fs.h>
+#include <linux/cdrom.h>
+#include <linux/bsg.h>
+#include <arpa/inet.h>
+
+#include "libudev.h"
+#include "libudev-private.h"
+#include "log.h"
+
+#define COMMAND_TIMEOUT_MSEC (30 * 1000)
+
+static int disk_scsi_inquiry_command(int      fd,
+                                     void    *buf,
+                                     size_t   buf_len)
+{
+        struct sg_io_v4 io_v4;
+        uint8_t cdb[6];
+        uint8_t sense[32];
+        int ret;
+
+        /*
+         * INQUIRY, see SPC-4 section 6.4
+         */
+        memset(cdb, 0, sizeof(cdb));
+        cdb[0] = 0x12;                         /* OPERATION CODE: INQUIRY */
+        cdb[3] = (buf_len >> 8);         /* ALLOCATION LENGTH */
+        cdb[4] = (buf_len & 0xff);
+
+        memset(sense, 0, sizeof(sense));
+
+        memset(&io_v4, 0, sizeof(struct sg_io_v4));
+        io_v4.guard = 'Q';
+        io_v4.protocol = BSG_PROTOCOL_SCSI;
+        io_v4.subprotocol = BSG_SUB_PROTOCOL_SCSI_CMD;
+        io_v4.request_len = sizeof (cdb);
+        io_v4.request = (uintptr_t) cdb;
+        io_v4.max_response_len = sizeof (sense);
+        io_v4.response = (uintptr_t) sense;
+        io_v4.din_xfer_len = buf_len;
+        io_v4.din_xferp = (uintptr_t) buf;
+        io_v4.timeout = COMMAND_TIMEOUT_MSEC;
+
+        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;
+
+                        memset(&io_hdr, 0, sizeof(struct sg_io_hdr));
+                        io_hdr.interface_id = 'S';
+                        io_hdr.cmdp = (unsigned char*) cdb;
+                        io_hdr.cmd_len = sizeof (cdb);
+                        io_hdr.dxferp = buf;
+                        io_hdr.dxfer_len = buf_len;
+                        io_hdr.sbp = sense;
+                        io_hdr.mx_sb_len = sizeof (sense);
+                        io_hdr.dxfer_direction = SG_DXFER_FROM_DEV;
+                        io_hdr.timeout = COMMAND_TIMEOUT_MSEC;
+
+                        ret = ioctl(fd, SG_IO, &io_hdr);
+                        if (ret != 0)
+                                goto out;
+
+                        /* 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;
+                                ret = -1;
+                                goto out;
+                        }
+                } else {
+                        goto out;
+                }
+        }
+
+        /* 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;
+                ret = -1;
+                goto out;
+        }
+
+ out:
+        return ret;
+}
+
+static int disk_identify_command(int          fd,
+                                 void         *buf,
+                                 size_t          buf_len)
+{
+        struct sg_io_v4 io_v4;
+        uint8_t cdb[12];
+        uint8_t sense[32];
+        uint8_t *desc = sense+8;
+        int ret;
+
+        /*
+         * 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
+         */
+        memset(cdb, 0, sizeof(cdb));
+        cdb[0] = 0xa1;                        /* OPERATION CODE: 12 byte pass through */
+        cdb[1] = 4 << 1;                /* PROTOCOL: PIO Data-in */
+        cdb[2] = 0x2e;                        /* OFF_LINE=0, CK_COND=1, T_DIR=1, BYT_BLOK=1, T_LENGTH=2 */
+        cdb[3] = 0;                        /* FEATURES */
+        cdb[4] = 1;                        /* SECTORS */
+        cdb[5] = 0;                        /* LBA LOW */
+        cdb[6] = 0;                        /* LBA MID */
+        cdb[7] = 0;                        /* LBA HIGH */
+        cdb[8] = 0 & 0x4F;                /* SELECT */
+        cdb[9] = 0xEC;                        /* Command: ATA IDENTIFY DEVICE */;
+        memset(sense, 0, sizeof(sense));
+
+        memset(&io_v4, 0, sizeof(struct sg_io_v4));
+        io_v4.guard = 'Q';
+        io_v4.protocol = BSG_PROTOCOL_SCSI;
+        io_v4.subprotocol = BSG_SUB_PROTOCOL_SCSI_CMD;
+        io_v4.request_len = sizeof (cdb);
+        io_v4.request = (uintptr_t) cdb;
+        io_v4.max_response_len = sizeof (sense);
+        io_v4.response = (uintptr_t) sense;
+        io_v4.din_xfer_len = buf_len;
+        io_v4.din_xferp = (uintptr_t) buf;
+        io_v4.timeout = COMMAND_TIMEOUT_MSEC;
+
+        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;
+
+                        memset(&io_hdr, 0, sizeof(struct sg_io_hdr));
+                        io_hdr.interface_id = 'S';
+                        io_hdr.cmdp = (unsigned char*) cdb;
+                        io_hdr.cmd_len = sizeof (cdb);
+                        io_hdr.dxferp = buf;
+                        io_hdr.dxfer_len = buf_len;
+                        io_hdr.sbp = sense;
+                        io_hdr.mx_sb_len = sizeof (sense);
+                        io_hdr.dxfer_direction = SG_DXFER_FROM_DEV;
+                        io_hdr.timeout = COMMAND_TIMEOUT_MSEC;
+
+                        ret = ioctl(fd, SG_IO, &io_hdr);
+                        if (ret != 0)
+                                goto out;
+                } else {
+                        goto out;
+                }
+        }
+
+        if (!(sense[0] == 0x72 && desc[0] == 0x9 && desc[1] == 0x0c)) {
+                errno = EIO;
+                ret = -1;
+                goto out;
+        }
+
+ out:
+        return ret;
+}
+
+static int disk_identify_packet_device_command(int          fd,
+                                               void         *buf,
+                                               size_t          buf_len)
+{
+        struct sg_io_v4 io_v4;
+        uint8_t cdb[16];
+        uint8_t sense[32];
+        uint8_t *desc = sense+8;
+        int ret;
+
+        /*
+         * 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
+         */
+        memset(cdb, 0, sizeof(cdb));
+        cdb[0] = 0x85;                        /* OPERATION CODE: 16 byte pass through */
+        cdb[1] = 4 << 1;                /* PROTOCOL: PIO Data-in */
+        cdb[2] = 0x2e;                        /* OFF_LINE=0, CK_COND=1, T_DIR=1, BYT_BLOK=1, T_LENGTH=2 */
+        cdb[3] = 0;                        /* FEATURES */
+        cdb[4] = 0;                        /* FEATURES */
+        cdb[5] = 0;                        /* SECTORS */
+        cdb[6] = 1;                        /* SECTORS */
+        cdb[7] = 0;                        /* LBA LOW */
+        cdb[8] = 0;                        /* LBA LOW */
+        cdb[9] = 0;                        /* LBA MID */
+        cdb[10] = 0;                        /* LBA MID */
+        cdb[11] = 0;                        /* LBA HIGH */
+        cdb[12] = 0;                        /* LBA HIGH */
+        cdb[13] = 0;                        /* DEVICE */
+        cdb[14] = 0xA1;                        /* Command: ATA IDENTIFY PACKET DEVICE */;
+        cdb[15] = 0;                        /* CONTROL */
+        memset(sense, 0, sizeof(sense));
+
+        memset(&io_v4, 0, sizeof(struct sg_io_v4));
+        io_v4.guard = 'Q';
+        io_v4.protocol = BSG_PROTOCOL_SCSI;
+        io_v4.subprotocol = BSG_SUB_PROTOCOL_SCSI_CMD;
+        io_v4.request_len = sizeof (cdb);
+        io_v4.request = (uintptr_t) cdb;
+        io_v4.max_response_len = sizeof (sense);
+        io_v4.response = (uintptr_t) sense;
+        io_v4.din_xfer_len = buf_len;
+        io_v4.din_xferp = (uintptr_t) buf;
+        io_v4.timeout = COMMAND_TIMEOUT_MSEC;
+
+        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;
+
+                        memset(&io_hdr, 0, sizeof(struct sg_io_hdr));
+                        io_hdr.interface_id = 'S';
+                        io_hdr.cmdp = (unsigned char*) cdb;
+                        io_hdr.cmd_len = sizeof (cdb);
+                        io_hdr.dxferp = buf;
+                        io_hdr.dxfer_len = buf_len;
+                        io_hdr.sbp = sense;
+                        io_hdr.mx_sb_len = sizeof (sense);
+                        io_hdr.dxfer_direction = SG_DXFER_FROM_DEV;
+                        io_hdr.timeout = COMMAND_TIMEOUT_MSEC;
+
+                        ret = ioctl(fd, SG_IO, &io_hdr);
+                        if (ret != 0)
+                                goto out;
+                } else {
+                        goto out;
+                }
+        }
+
+        if (!(sense[0] == 0x72 && desc[0] == 0x9 && desc[1] == 0x0c)) {
+                errno = EIO;
+                ret = -1;
+                goto out;
+        }
+
+ out:
+        return ret;
+}
+
+/**
+ * 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;
+
+        /* init results */
+        memset(out_identify, '\0', 512);
+        is_packet_device = 0;
+
+        /* 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;
+}
+
+static void log_fn(struct udev *udev, int priority,
+                   const char *file, int line, const char *fn,
+                   const char *format, va_list args)
+{
+        vsyslog(priority, format, args);
+}
+
+int main(int argc, char *argv[])
+{
+        struct udev *udev;
+        struct hd_driveid id;
+        uint8_t identify[512];
+        uint16_t *identify_words;
+        char model[41];
+        char model_enc[256];
+        char serial[21];
+        char revision[9];
+        const char *node = NULL;
+        int export = 0;
+        int fd;
+        uint16_t word;
+        int rc = 0;
+        int is_packet_device = 0;
+        static const struct option options[] = {
+                { "export", no_argument, NULL, 'x' },
+                { "help", no_argument, NULL, 'h' },
+                {}
+        };
+
+        udev = udev_new();
+        if (udev == NULL)
+                goto exit;
+
+        log_open();
+        udev_set_log_fn(udev, log_fn);
+
+        while (1) {
+                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] <device>\n"
+                               "  --export    print values as environment keys\n"
+                               "  --help      print this help text\n\n");
+                        goto exit;
+                }
+        }
+
+        node = argv[optind];
+        if (node == NULL) {
+                log_error("no node specified\n");
+                rc = 1;
+                goto exit;
+        }
+
+        fd = open(node, O_RDONLY|O_NONBLOCK);
+        if (fd < 0) {
+                log_error("unable to open '%s'\n", node);
+                rc = 1;
+                goto exit;
+        }
+
+        if (disk_identify(udev, fd, identify, &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,  10, 20); /* serial */
+                disk_identify_fixup_string(identify,  23,  8); /* fwrev */
+                disk_identify_fixup_string(identify,  27, 40); /* model */
+                disk_identify_fixup_uint16(identify,  0);      /* configuration */
+                disk_identify_fixup_uint16(identify,  75);     /* queue depth */
+                disk_identify_fixup_uint16(identify,  75);     /* SATA capabilities */
+                disk_identify_fixup_uint16(identify,  82);     /* command set supported */
+                disk_identify_fixup_uint16(identify,  83);     /* command set supported */
+                disk_identify_fixup_uint16(identify,  84);     /* command set supported */
+                disk_identify_fixup_uint16(identify,  85);     /* command set supported */
+                disk_identify_fixup_uint16(identify,  86);     /* command set supported */
+                disk_identify_fixup_uint16(identify,  87);     /* command set supported */
+                disk_identify_fixup_uint16(identify,  89);     /* time required for SECURITY ERASE UNIT */
+                disk_identify_fixup_uint16(identify,  90);     /* time required for enhanced SECURITY ERASE UNIT */
+                disk_identify_fixup_uint16(identify,  91);     /* current APM values */
+                disk_identify_fixup_uint16(identify,  94);     /* current AAM value */
+                disk_identify_fixup_uint16(identify, 128);     /* device lock function */
+                disk_identify_fixup_uint16(identify, 217);     /* nominal media rotation rate */
+                memcpy(&id, identify, sizeof id);
+        } else {
+                /* If this fails, then try HDIO_GET_IDENTITY */
+                if (ioctl(fd, HDIO_GET_IDENTITY, &id) != 0) {
+                        log_info("HDIO_GET_IDENTITY failed for '%s': %m\n", node);
+                        rc = 2;
+                        goto close;
+                }
+        }
+        identify_words = (uint16_t *) identify;
+
+        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 = *((uint16_t *) identify + 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 = *((uint16_t *) identify + 217);
+                if (word != 0x0000) {
+                        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 = *((uint16_t *) identify + 108);
+                if ((word & 0xf000) == 0x5000) {
+                        uint64_t wwwn;
+
+                        wwwn   = *((uint16_t *) identify + 108);
+                        wwwn <<= 16;
+                        wwwn  |= *((uint16_t *) identify + 109);
+                        wwwn <<= 16;
+                        wwwn  |= *((uint16_t *) identify + 110);
+                        wwwn <<= 16;
+                        wwwn  |= *((uint16_t *) identify + 111);
+                        printf("ID_WWN=0x%llx\n", (unsigned long long int) wwwn);
+                        /* ATA devices have no vendor extension */
+                        printf("ID_WWN_WITH_EXTENSION=0x%llx\n", (unsigned long long int) wwwn);
+                }
+
+                /* from Linux's include/linux/ata.h */
+                if (identify_words[0] == 0x848a || identify_words[0] == 0x844a) {
+                        printf("ID_ATA_CFA=1\n");
+                } else {
+                        if ((identify_words[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);
+        }
+close:
+        close(fd);
+exit:
+        udev_unref(udev);
+        log_close();
+        return rc;
+}