From d828532cdb5782bf484dfcfbd561b403902eb26f Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Sun, 29 Jun 2008 17:48:38 +0200 Subject: rename smartkit.c smart.c --- smartkit.c | 747 ------------------------------------------------------------- 1 file changed, 747 deletions(-) delete mode 100644 smartkit.c (limited to 'smartkit.c') diff --git a/smartkit.c b/smartkit.c deleted file mode 100644 index 1d981ae..0000000 --- a/smartkit.c +++ /dev/null @@ -1,747 +0,0 @@ -#ifdef HAVE_CONFIG_H -#include -#endif - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include "smart.h" - -#define SK_TIMEOUT 2000 - -typedef enum SkDirection { - SK_DIRECTION_NONE, - SK_DIRECTION_IN, - SK_DIRECTION_OUT, - _SK_DIRECTION_MAX -} SkDirection; - -typedef enum SkDeviceType { - SK_DEVICE_TYPE_ATA_PASSTHROUGH, /* ATA passthrough over SCSI transport */ - SK_DEVICE_TYPE_ATA, - SK_DEVICE_TYPE_SCSI, - SK_DEVICE_TYPE_UNKNOWN, - _SK_DEVICE_TYPE_MAX -} SkDeviceType; - -struct SkDevice { - gchar *name; - int fd; - SkDeviceType type; - - guint64 size; - - guint8 identify[512]; - guint8 smart_data[512]; - guint8 smart_threshold_data[512]; - - gboolean identify_data_valid:1; - gboolean smart_data_valid:1; - gboolean smart_threshold_data_valid:1; - - SkIdentifyParsedData identify_parsed_data; - SkSmartParsedData smart_parsed_data; -}; - -/* ATA commands */ -typedef enum SkAtaCommand { - SK_ATA_COMMAND_IDENTIFY_DEVICE = 0xEC, - SK_ATA_COMMAND_IDENTIFY_PACKET_DEVICE = 0xA1, - SK_ATA_COMMAND_SMART = 0xB0, - SK_ATA_COMMAND_CHECK_POWER_MODE = 0xE5 -} SkAtaCommand; - -/* ATA SMART subcommands (ATA8 7.52.1) */ -typedef enum SkSmartCommand { - SK_SMART_COMMAND_READ_DATA = 0xD0, - SK_SMART_COMMAND_EXECUTE_OFFLINE_IMMEDIATE = 0xD4, - SK_SMART_COMMAND_ENABLE_OPERATIONS = 0xD8, - SK_SMART_COMMAND_DISABLE_OPERATIONS = 0xD9, - SK_SMART_COMMAND_RETURN_STATUS = 0xDA -} SkSmartCommand; - -/* ATA SMART test type (ATA8 7.52.5.2) */ -typedef enum SkSmartTest { - SK_SMART_TEST_OFFLINE_FULL = 0, - SK_SMART_TEST_OFFLINE_SHORT = 1, - SK_SMART_TEST_OFFLINE_EXTENDED = 2, - SK_SMART_TEST_OFFLINE_CONVEYANCE = 3, - SK_SMART_TEST_OFFLINE_SELECTIVE = 4, - - SK_SMART_TEST_CAPTIVE_SHORT = 129, - SK_SMART_TEST_CAPTIVE_EXTENDED = 130, - SK_SMART_TEST_CAPTIVE_CONVEYANCE = 131, - SK_SMART_TEST_CAPTIVE_SELECTIVE = 132, - - SK_SMART_TEST_CAPTIVE_MASK = 128, - SK_SMART_TEST_ABORT = 127 -} SkSmartTest; - -static gboolean disk_smart_is_available(SkDevice *d) { - return d->identify_data_valid && !!(d->identify[164] & 1); -} - -static gboolean disk_smart_is_enabled(SkDevice *d) { - return d->identify_data_valid && !!(d->identify[170] & 1); -} - -static int disk_ata_command(SkDevice *d, SkAtaCommand command, SkDirection direction, gpointer cmd_data, gpointer data, size_t *len) { - guint8 *bytes = cmd_data; - int ret; - - g_assert(d->type == SK_DEVICE_TYPE_ATA); - - switch (direction) { - - case SK_DIRECTION_OUT: - - /* We could use HDIO_DRIVE_TASKFILE here, but that's a - * deprecated ioctl(), hence we don't do it. */ - - errno = ENOTSUP; - return -1; - - case SK_DIRECTION_IN: { - guint8 *ioctl_data; - - /* We have HDIO_DRIVE_CMD which can only read, but not write, - * and cannot do LBA. We use it for all read commands. */ - - ioctl_data = g_alloca(4 + *len); - memset(ioctl_data, 0, 4 + *len); - - ioctl_data[0] = (guint8) command; /* COMMAND */ - ioctl_data[1] = ioctl_data[0] == WIN_SMART ? bytes[9] : bytes[3]; /* SECTOR/NSECTOR */ - ioctl_data[2] = bytes[1]; /* FEATURE */ - ioctl_data[3] = bytes[3]; /* NSECTOR */ - - if ((ret = ioctl(d->fd, HDIO_DRIVE_CMD, ioctl_data)) < 0) - return ret; - - memset(bytes, 0, 12); - bytes[11] = ioctl_data[0]; - bytes[1] = ioctl_data[1]; - bytes[3] = ioctl_data[2]; - - memcpy(data, ioctl_data+4, *len); - - return ret; - } - - case SK_DIRECTION_NONE: { - guint8 ioctl_data[7]; - - /* We have HDIO_DRIVE_TASK which can neither read nor - * write, but can do LBA. We use it for all commands that - * do neither read nor write */ - - memset(ioctl_data, 0, sizeof(ioctl_data)); - - ioctl_data[0] = (guint8) command; /* COMMAND */ - ioctl_data[1] = bytes[1]; /* FEATURE */ - ioctl_data[2] = bytes[3]; /* NSECTOR */ - - ioctl_data[3] = bytes[9]; /* LBA LOW */ - ioctl_data[4] = bytes[8]; /* LBA MID */ - ioctl_data[5] = bytes[7]; /* LBA HIGH */ - ioctl_data[6] = bytes[10]; /* SELECT */ - - if ((ret = ioctl(d->fd, HDIO_DRIVE_TASK, ioctl_data))) - return ret; - - memset(bytes, 0, 12); - bytes[11] = ioctl_data[0]; - bytes[1] = ioctl_data[1]; - bytes[3] = ioctl_data[2]; - - bytes[9] = ioctl_data[3]; - bytes[8] = ioctl_data[4]; - bytes[7] = ioctl_data[5]; - - bytes[10] = ioctl_data[6]; - - return ret; - } - - default: - g_assert_not_reached(); - return -1; - } -} - -/* Sends a SCSI command block */ -static int sg_io(int fd, int direction, - const void *cdb, size_t cdb_len, - void *data, size_t data_len, - void *sense, size_t sense_len) { - - 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 = cdb_len; - io_hdr.dxferp = data; - io_hdr.dxfer_len = data_len; - io_hdr.sbp = sense; - io_hdr.mx_sb_len = sense_len; - io_hdr.dxfer_direction = direction; - io_hdr.timeout = SK_TIMEOUT; - - return ioctl(fd, SG_IO, &io_hdr); -} - -static int disk_scsi_command(SkDevice *d, SkAtaCommand command, SkDirection direction, gpointer cmd_data, gpointer data, size_t *len) { - g_assert(d->type == SK_DEVICE_TYPE_SCSI); - - g_warning("SCSI disks not yet supported because Lennart doesn't have any to test this with."); - - errno = ENOTSUP; - return -1; -} - -static int disk_passthrough_command(SkDevice *d, SkAtaCommand command, SkDirection direction, gpointer cmd_data, gpointer data, size_t *len) { - guint8 *bytes = cmd_data; - guint8 cdb[16]; - guint8 sense[32]; - guint8 *desc = sense+8; - int ret; - - static const int direction_map[] = { - [SK_DIRECTION_NONE] = SG_DXFER_NONE, - [SK_DIRECTION_IN] = SG_DXFER_FROM_DEV, - [SK_DIRECTION_OUT] = SG_DXFER_TO_DEV - }; - - g_assert(d->type == SK_DEVICE_TYPE_ATA_PASSTHROUGH); - - /* ATA Pass-Through 16 byte command, as described in "T10 04-262r8 - * ATA Command Pass-Through": - * 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 */ - - if (direction == SK_DIRECTION_NONE) { - cdb[1] = 3 << 1; /* PROTOCOL: Non-Data */ - cdb[2] = 0x20; /* OFF_LINE=0, CK_COND=1, T_DIR=0, BYT_BLOK=0, T_LENGTH=0 */ - - } else if (direction == SK_DIRECTION_IN) { - 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 */ - - } else if (direction == SK_DIRECTION_OUT) { - cdb[1] = 5 << 1; /* PROTOCOL: PIO Data-Out */ - cdb[2] = 0x26; /* OFF_LINE=0, CK_COND=1, T_DIR=0, BYT_BLOK=1, T_LENGTH=2 */ - } - - cdb[3] = bytes[0]; /* FEATURES */ - cdb[4] = bytes[1]; - - cdb[5] = bytes[2]; /* SECTORS */ - cdb[6] = bytes[3]; - - cdb[8] = bytes[9]; /* LBA LOW */ - cdb[10] = bytes[8]; /* LBA MED */ - cdb[12] = bytes[7]; /* LBA HIGH */ - - cdb[13] = bytes[10] & 0x4F; /* SELECT */ - cdb[14] = (guint8) command; - - if ((ret = sg_io(d->fd, direction_map[direction], cdb, sizeof(cdb), data, (size_t) cdb[6] * 512, sense, sizeof(sense))) < 0) - return ret; - - if (sense[0] != 0x72 || desc[0] != 0x9 || desc[1] != 0x0c) { - errno = EIO; - return -1; - } - - memset(bytes, 0, 12); - - bytes[1] = desc[3]; - bytes[2] = desc[4]; - bytes[3] = desc[5]; - bytes[9] = desc[7]; - bytes[8] = desc[9]; - bytes[7] = desc[10]; - bytes[10] = desc[12]; - bytes[11] = desc[13]; - - return ret; -} - -static int disk_command(SkDevice *d, SkAtaCommand command, SkDirection direction, gpointer cmd_data, gpointer data, size_t *len) { - - static int (* const disk_command_table[_SK_DEVICE_TYPE_MAX]) (SkDevice *d, SkAtaCommand command, SkDirection direction, gpointer cmd_data, gpointer data, size_t *len) = { - [SK_DEVICE_TYPE_ATA] = disk_ata_command, - [SK_DEVICE_TYPE_SCSI] = disk_scsi_command, - [SK_DEVICE_TYPE_ATA_PASSTHROUGH] = disk_passthrough_command, - }; - - g_assert(d); - g_assert(d->type <= _SK_DEVICE_TYPE_MAX); - g_assert(direction <= _SK_DIRECTION_MAX); - - g_assert(direction == SK_DIRECTION_NONE || (data && len && *len > 0)); - g_assert(direction != SK_DIRECTION_NONE || (!data && !len)); - - return disk_command_table[d->type](d, command, direction, cmd_data, data, len); -} - -static int disk_identify_device(SkDevice *d) { - guint16 cmd[6]; - int ret; - size_t len = 512; - - memset(cmd, 0, sizeof(cmd)); - - cmd[1] = GUINT16_TO_BE(1); - - if ((ret = disk_command(d, SK_ATA_COMMAND_IDENTIFY_DEVICE, SK_DIRECTION_IN, cmd, d->identify, &len)) < 0) - return ret; - - if (len != 512) { - errno = EIO; - return -1; - } - - d->identify_data_valid = TRUE; - - return 0; -} - -int sk_disk_check_power_mode(SkDevice *d, gboolean *mode) { - int ret; - guint16 cmd[6]; - - if (!d->identify_data_valid) { - errno = ENOTSUP; - return -1; - } - - memset(cmd, 0, sizeof(cmd)); - - if ((ret = disk_command(d, SK_ATA_COMMAND_CHECK_POWER_MODE, SK_DIRECTION_NONE, cmd, NULL, 0)) < 0) - return ret; - - if (cmd[0] != 0 || (GUINT16_FROM_BE(cmd[5]) & 1) != 0) { - errno = EIO; - return -1; - } - - *mode = GUINT16_FROM_BE(cmd[1]) == 0xFF; - - return 0; -} - -static int disk_smart_enable(SkDevice *d, gboolean b) { - guint16 cmd[6]; - - if (!disk_smart_is_available(d)) { - errno = ENOTSUP; - return -1; - } - - memset(cmd, 0, sizeof(cmd)); - - cmd[0] = GUINT16_TO_BE(b ? SK_SMART_COMMAND_ENABLE_OPERATIONS : SK_SMART_COMMAND_DISABLE_OPERATIONS); - cmd[2] = GUINT16_TO_BE(0x0000U); - cmd[3] = GUINT16_TO_BE(0x00C2U); - cmd[4] = GUINT16_TO_BE(0x4F00U); - - return disk_command(d, SK_ATA_COMMAND_SMART, SK_DIRECTION_NONE, cmd, NULL, 0); -} - -int sk_disk_smart_read_data(SkDevice *d) { - guint16 cmd[6]; - int ret; - size_t len = 512; - - if (!disk_smart_is_available(d)) { - errno = ENOTSUP; - return -1; - } - - memset(cmd, 0, sizeof(cmd)); - - cmd[0] = GUINT16_TO_BE(SK_SMART_COMMAND_READ_DATA); - cmd[1] = GUINT16_TO_BE(1); - cmd[2] = GUINT16_TO_BE(0x0000U); - cmd[3] = GUINT16_TO_BE(0x00C2U); - cmd[4] = GUINT16_TO_BE(0x4F00U); - - if ((ret = disk_command(d, SK_ATA_COMMAND_SMART, SK_DIRECTION_IN, cmd, d->smart_data, &len)) < 0) - return ret; - - d->smart_data_valid = TRUE; - - return ret; -} - -/* int disk_smart_status(SkDevice *d, SmartLogAddress a, gboolean *b) { */ -/* guint16 cmd[6]; */ - -/* guint8 data[16]; */ - -/* cmd[0] = GUINT16_TO_BE(SMART_RETURN_STATUS); */ -/* cmd[1] = GUINT16_TO_BE(0x0000U); */ -/* cmd[3] = GUINT16_TO_BE(0x00C2U); */ -/* cmd[4] = GUINT16_TO_BE(0x4F00U | (guint16) a); */ - -/* ret = disk_ata_command(SK_ATA_SMART, cmd, sizeof(cmd), NULL, 0); */ - -/* return ret; */ -/* } */ - -/* int disk_smart_immediate_offline(SkDevice *d, SmartTestType type) { */ -/* guint16 cmd[6]; */ - -/* memset(cmd, 0, sizeof(cmd)); */ - -/* cmd[0] = GUINT16_TO_BE(SMART_EXECUTE_OFFLINE_IMMEDIATE); */ -/* cmd[2] = GUINT16_TO_BE(0x0000U); */ -/* cmd[3] = GUINT16_TO_BE(0x00C2U); */ -/* cmd[4] = GUINT16_TO_BE(0x4F00U | (guint16) type); */ - -/* return disk_ata_command(SK_ATA_SMART, cmd, sizeof(cmd), NULL, 0); */ -/* } */ - -static void swap_strings(gchar *s, size_t len) { - g_assert((len & 1) == 0); - - for (; len > 0; s += 2, len -= 2) { - gchar t; - t = s[0]; - s[0] = s[1]; - s[1] = t; - } -} - -static void clean_strings(gchar *s) { - gchar *e; - - for (e = s; *e; e++) - if (!g_ascii_isprint(*e)) - *e = ' '; -} - -static void drop_spaces(gchar *s) { - gchar *d = s; - gboolean prev_space = FALSE; - - s += strspn(s, " "); - - for (;*s; s++) { - - if (prev_space) { - if (*s != ' ') { - prev_space = FALSE; - *(d++) = ' '; - } - } else { - if (*s == ' ') - prev_space = TRUE; - else - *(d++) = *s; - } - } - - *d = 0; -} - -static void read_string(gchar *d, guint8 *s, size_t len) { - memcpy(d, s, len); - d[len] = 0; - swap_strings(d, len); - clean_strings(d); - drop_spaces(d); -} - -int sk_disk_identify_parse(SkDevice *d, const SkIdentifyParsedData **ipd) { - - if (!d->identify_data_valid) { - errno = ENOENT; - return -1; - } - - read_string(d->identify_parsed_data.serial, d->identify+20, 20); - read_string(d->identify_parsed_data.firmware, d->identify+46, 8); - read_string(d->identify_parsed_data.model, d->identify+54, 40); - - *ipd = &d->identify_parsed_data; - - return 0; -} - -int sk_disk_smart_is_available(SkDevice *d, gboolean *b) { - - if (!d->identify_data_valid) { - errno = ENOTSUP; - return -1; - } - - *b = disk_smart_is_available(d); - return 0; -} - -int sk_disk_identify_is_available(SkDevice *d, gboolean *b) { - - *b = d->identify_data_valid; - return 0; -} - -const char *sk_offline_data_collection_status_to_string(SkOfflineDataCollectionStatus status) { - - static const char* const map[] = { - [SK_OFFLINE_DATA_COLLECTION_STATUS_NEVER] = "Off-line data collection activity was never started.", - [SK_OFFLINE_DATA_COLLECTION_STATUS_SUCCESS] = "Off-line data collection activity was completed without error.", - [SK_OFFLINE_DATA_COLLECTION_STATUS_INPROGRESS] = "Off-line activity in progress.", - [SK_OFFLINE_DATA_COLLECTION_STATUS_SUSPENDED] = "Off-line data collection activity was suspended by an interrupting command from host.", - [SK_OFFLINE_DATA_COLLECTION_STATUS_ABORTED] = "Off-line data collection activity was aborted by an interrupting command from host.", - [SK_OFFLINE_DATA_COLLECTION_STATUS_FATAL] = "Off-line data collection activity was aborted by the device with a fatal error.", - [SK_OFFLINE_DATA_COLLECTION_STATUS_UNKNOWN] = "Unknown status" - }; - - if (status >= _SK_OFFLINE_DATA_COLLECTION_STATUS_MAX) - return NULL; - - return map[status]; -} - - -static const char *lookup_attribute_name(SkDevice *d, guint8 id) { - return "blah"; -} - -int sk_disk_smart_parse(SkDevice *d, const SkSmartParsedData **spd) { - - if (!d->smart_data_valid) { - errno = ENOENT; - return -1; - } - - switch (d->smart_data[362]) { - case 0x00: - case 0x80: - d->smart_parsed_data.offline_data_collection_status = SK_OFFLINE_DATA_COLLECTION_STATUS_NEVER; - break; - - case 0x02: - case 0x82: - d->smart_parsed_data.offline_data_collection_status = SK_OFFLINE_DATA_COLLECTION_STATUS_SUCCESS; - break; - - case 0x03: - d->smart_parsed_data.offline_data_collection_status = SK_OFFLINE_DATA_COLLECTION_STATUS_INPROGRESS; - break; - - case 0x04: - case 0x84: - d->smart_parsed_data.offline_data_collection_status = SK_OFFLINE_DATA_COLLECTION_STATUS_SUSPENDED; - break; - - case 0x05: - case 0x85: - d->smart_parsed_data.offline_data_collection_status = SK_OFFLINE_DATA_COLLECTION_STATUS_ABORTED; - break; - - case 0x06: - case 0x86: - d->smart_parsed_data.offline_data_collection_status = SK_OFFLINE_DATA_COLLECTION_STATUS_FATAL; - break; - - default: - d->smart_parsed_data.offline_data_collection_status = SK_OFFLINE_DATA_COLLECTION_STATUS_UNKNOWN; - break; - } - - d->smart_parsed_data.selftest_execution_percent_remaining = 10*(d->smart_data[363] & 0xF); - - d->smart_parsed_data.total_offline_data_collection_seconds = (guint16) d->smart_data[364] | ((guint16) d->smart_data[365] << 8); - - d->smart_parsed_data.conveyance_test_available = !!(d->smart_data[367] & 32); - d->smart_parsed_data.short_and_extended_test_available = !!(d->smart_data[367] & 16); - d->smart_parsed_data.start_test_available = !!(d->smart_data[367] & 1); - d->smart_parsed_data.abort_test_available = !!(d->smart_data[367] & 41); - - d->smart_parsed_data.short_test_polling_minutes = d->smart_data[372]; - d->smart_parsed_data.extended_test_polling_minutes = d->smart_data[373] != 0xFF ? d->smart_data[373] : ((guint16) d->smart_data[376] << 8 | (guint16) d->smart_data[375]); - d->smart_parsed_data.conveyance_test_polling_minutes = d->smart_data[374]; - - *spd = &d->smart_parsed_data; - - return 0; -} - -int sk_disk_smart_parse_attributes(SkDevice *d, SkSmartAttributeCallback cb, gpointer userdata) { - guint8 *p; - unsigned n = 0; - - if (!d->smart_data_valid) { - errno = ENOENT; - return -1; - } - - for (n = 0, p = d->smart_data + 2; n < 30; n++, p+=12) { - SkSmartAttribute a; - - if (p[0] == 0) - continue; - - g_printerr("attr(%i)\t = %i\t (0x02%x)\n", p[0], p[3], p[3]); - - a.id = p[0]; - a.name = lookup_attribute_name(d, p[0]); - a.value = p[3]; - - if (cb) - cb(d, &a, userdata); - } - - return 0; -} - -static const char *yes_no(gboolean b) { - return b ? "yes" : "no"; -} - -int sk_disk_dump(SkDevice *d) { - int ret; - gboolean powered = FALSE; - - g_print("Device: %s\n" - "Size: %lu MiB\n", - d->name, - (unsigned long) (d->size/1024/1024)); - - if (d->identify_data_valid) { - const SkIdentifyParsedData *ipd; - - if ((ret = sk_disk_identify_parse(d, &ipd)) < 0) - return ret; - - g_print("Model: [%s]\n" - "Serial: [%s]\n" - "Firmware: [%s]\n" - "SMART Available: %s\n", - ipd->model, - ipd->serial, - ipd->firmware, - yes_no(disk_smart_is_available(d))); - } - - ret = sk_disk_check_power_mode(d, &powered); - g_print("Spin-up: %s\n", - ret >= 0 ? yes_no(powered) : "unknown"); - - if (disk_smart_is_available(d)) { - const SkSmartParsedData *spd; - - if ((ret = sk_disk_smart_read_data(d)) < 0) - return ret; - - if ((ret = sk_disk_smart_parse(d, &spd)) < 0) - return ret; - - g_print("Off-line Collection Status: %s\n" - "Percent Self-Test Remaining: %u%%\n" - "Total Time To Complete Off-Line Data Collection: %u s\n" - "Conveyance Self-Test Available: %s\n" - "Short/Extended Self-Test Available: %s\n" - "Start Self-Test Available: %s\n" - "Abort Self-Test Available: %s\n", - sk_offline_data_collection_status_to_string(spd->offline_data_collection_status), - spd->selftest_execution_percent_remaining, - spd->total_offline_data_collection_seconds, - yes_no(spd->conveyance_test_available), - yes_no(spd->short_and_extended_test_available), - yes_no(spd->start_test_available), - yes_no(spd->abort_test_available)); - - if (spd->short_and_extended_test_available) - g_print("Short Self-Test Polling Time: %u min\n" - "Extended Self-Test Polling Time: %u min\n", - spd->short_test_polling_minutes, - spd->extended_test_polling_minutes); - - if (spd->conveyance_test_available) - g_print("Conveyance Self-Test Polling Time: %u min\n", - spd->conveyance_test_polling_minutes); - - } - - return 0; -} - -int sk_disk_get_size(SkDevice *d, guint64 *bytes) { - - *bytes = d->size; - return 0; -} - -int sk_disk_open(const gchar *name, SkDevice **_d) { - SkDevice *d; - int ret = -1; - - g_assert(name); - g_assert(_d); - - d = g_new0(SkDevice, 1); - d->name = g_strdup(name); - - if ((d->fd = open(name, O_RDWR|O_NOCTTY)) < 0) { - ret = d->fd; - goto fail; - } - - if ((ret = ioctl(d->fd, BLKGETSIZE64, &d->size)) < 0) - goto fail; - - if (d->size <= 0 || d->size == (guint64) -1) { - errno = EINVAL; - goto fail; - } - - /* Find a way to identify the device */ - for (d->type = 0; d->type != SK_DEVICE_TYPE_UNKNOWN; d->type++) - if (disk_identify_device(d) >= 0) - break; - - /* Check if driver can do SMART, and enable if necessary */ - if (disk_smart_is_available(d)) - if (!disk_smart_is_enabled(d)) - if ((ret = disk_smart_enable(d, TRUE)) < 0) - goto fail; - - *_d = d; - - return 0; - -fail: - - if (d) - sk_disk_free(d); - - return ret; -} - -void sk_disk_free(SkDevice *d) { - g_assert(d); - - if (d->fd >= 0) - close(d->fd); - - g_free(d->name); - g_free(d); -} -- cgit