#include "libudev.h"
#include "libudev-private.h"
+#include "udev-util.h"
#include "log.h"
#define COMMAND_TIMEOUT_MSEC (30 * 1000)
return ret;
}
-_printf_(6,0)
-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;
+ _cleanup_udev_unref_ struct udev *udev = NULL;
struct hd_driveid id;
- uint8_t identify[512];
- uint16_t *identify_words;
+ union {
+ uint8_t byte[512];
+ uint16_t wyde[256];
+ uint64_t octa[64];
+ } identify;
char model[41];
char model_enc[256];
char serial[21];
char revision[9];
const char *node = NULL;
int export = 0;
- int fd;
+ _cleanup_close_ int fd = -1;
uint16_t word;
- int rc = 0;
int is_packet_device = 0;
static const struct option options[] = {
{ "export", no_argument, NULL, 'x' },
{}
};
+ log_parse_environment();
+ log_open();
+
udev = udev_new();
if (udev == NULL)
- goto exit;
-
- log_open();
- udev_set_log_fn(udev, log_fn);
+ return 0;
while (1) {
int option;
printf("Usage: ata_id [--export] [--help] <device>\n"
" --export print values as environment keys\n"
" --help print this help text\n\n");
- goto exit;
+ return 0;
}
}
node = argv[optind];
if (node == NULL) {
- log_error("no node specified\n");
- rc = 1;
- goto exit;
+ log_error("no node specified");
+ return 1;
}
- fd = open(node, O_RDONLY|O_NONBLOCK);
+ fd = open(node, O_RDONLY|O_NONBLOCK|O_CLOEXEC);
if (fd < 0) {
- log_error("unable to open '%s'\n", node);
- rc = 1;
- goto exit;
+ log_error("unable to open '%s'", node);
+ return 1;
}
- if (disk_identify(udev, fd, identify, &is_packet_device) == 0) {
+ 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, 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);
+ 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, 75); /* 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, 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("HDIO_GET_IDENTITY failed for '%s': %m\n", node);
- rc = 2;
- goto close;
+ log_debug_errno(errno, "HDIO_GET_IDENTITY failed for '%s': %m", node);
+ return 2;
}
}
- identify_words = (uint16_t *) identify;
memcpy (model, id.model, 40);
model[40] = '\0';
}
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);
+ 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");
* 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);
+
+ word = identify.wyde[76];
if (word != 0x0000 && word != 0xffff) {
printf("ID_ATA_SATA=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);
- }
- }
+ 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 = *((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);
- }
+ word = identify.wyde[108];
+ if ((word & 0xf000) == 0x5000)
+ printf("ID_WWN=0x%1$"PRIu64"x\n"
+ "ID_WWN_WITH_EXTENSION=0x%1$"PRIu64"x\n",
+ identify.octa[108/4]);
/* from Linux's include/linux/ata.h */
- if (identify_words[0] == 0x848a || identify_words[0] == 0x844a) {
+ if (identify.wyde[0] == 0x848a ||
+ identify.wyde[0] == 0x844a ||
+ (identify.wyde[83] & 0xc004) == 0x4004)
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;
+
+ return 0;
}
~ianmdlvl / elogind.git / blobdiff