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| gboolean | udisks_ata_send_command_sync () | 
| gboolean | udisks_ata_get_pm_state () | 
| #define | UDISKS_ATA_PM_STATE_AWAKE() | 
gboolean udisks_ata_send_command_sync (gint fd,gint timeout_msec,UDisksAtaCommandProtocol protocol,UDisksAtaCommandInput *input,UDisksAtaCommandOutput *output,GError **error);
Sends a command to an ATA device. Blocks the calling thread while the command is pending.
| fd | A file descriptor for a ATA device. | |
| timeout_msec | Timeout in milli-seconds for the command. Use -1 for the default (5 seconds) timeout and  | |
| protocol | The direction of the command. | |
| input | The input for the command. | |
| output | The output for the command. | |
| error | Return location for error or  | 
gboolean udisks_ata_get_pm_state (const gchar *device,GError **error,guchar *pm_state);
Get the current power mode state.
The format of pm_state
 is the result obtained from sending the
ATA command CHECK POWER MODE to the drive.
Known values include:
0x00: Device is in PM2: Standby state.
0x40: Device is in the PM0: Active state, the NV Cache power mode is enabled, and the spindle is spun down or spinning down.
0x41: Device is in the PM0: Active state, the NV Cache power mode is enabled, and the spindle is spun up or spinning up.
0x80: Device is in PM1: Idle state.
0xff: Device is in the PM0: Active state or PM1: Idle State.
Typically user interfaces will report "Drive is spun down" if pm_state
 is
0x00 and "Drive is spun up" otherwise.
#define UDISKS_ATA_PM_STATE_AWAKE(pm_state) (pm_state >= 0x41)
Decodes the power state value as returned by udisks_ata_get_pm_state.
typedef struct {
  guint8  command;
  guint8  feature;
  guint8  count;
  guint8  device;
  guint32 lba;
  gsize   buffer_size;
  guchar *buffer;
} UDisksAtaCommandInput;
Struct used for input data when sending ATA commands.