#include <sys/stat.h>
#include <sys/ioctl.h>
#include <fcntl.h>
-#include <linux/bsg.h>
-#include <scsi/scsi.h>
-#include <scsi/sg.h>
-#include <scsi/scsi_ioctl.h>
-#include <linux/cdrom.h>
#include <pwd.h>
#include <grp.h>
#include "udisksbasejob.h"
#include "udiskssimplejob.h"
#include "udisksthreadedjob.h"
+#include "udisksata.h"
/**
* SECTION:udiskslinuxdriveata
/* ---------------------------------------------------------------------------------------------------- */
-#define ATA_DEFAULT_COMMAND_TIMEOUT_MSEC (5 * 1000)
-
-typedef struct
-{
- guint8 command;
- guint8 feature;
- guint8 count;
- guint8 device;
- guint32 lba;
- gsize buffer_size;
- guchar *buffer;
-} AtaCommandInput;
-
-typedef struct
-{
- guint8 error;
- guint8 count;
- guint8 device;
- guint8 status;
- guint32 lba;
- gsize buffer_size;
- guchar *buffer;
-} AtaCommandOutput;
-
-typedef enum
-{
- ATA_COMMAND_PROTOCOL_NONE, /* Non-data */
- ATA_COMMAND_PROTOCOL_DRIVE_TO_HOST, /* PIO Data-In */
- ATA_COMMAND_PROTOCOL_HOST_TO_DRIVE, /* PIO Data-Out */
-} AtaCommandProtocol;
-
-static gboolean
-ata_send_command (gint fd,
- gint timeout_msec,
- AtaCommandProtocol protocol,
- AtaCommandInput *input,
- AtaCommandOutput *output,
- GError **error)
-{
- struct sg_io_v4 io_v4;
- uint8_t cdb[16];
- gint cdb_len = 16;
- uint8_t sense[32];
- uint8_t *desc = sense+8;
- gboolean use_ata12 = FALSE;
- gboolean ret = FALSE;
- gint rc;
-
- g_return_val_if_fail (fd != -1, FALSE);
- g_return_val_if_fail (timeout_msec == -1 || timeout_msec > 0, FALSE);
- g_return_val_if_fail (/* protocol >= 0 && */ protocol <= 2, FALSE);
- g_return_val_if_fail (input != NULL, FALSE);
- g_return_val_if_fail (input->buffer_size == 0 || input->buffer != NULL, FALSE);
- g_return_val_if_fail (output != NULL, FALSE);
- g_return_val_if_fail (output->buffer_size == 0 || output->buffer != NULL, FALSE);
- g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
-
- if (timeout_msec == -1)
- timeout_msec = ATA_DEFAULT_COMMAND_TIMEOUT_MSEC;
-
- /* zero outputs, even if returning an error */
- output->error = 0;
- output->count = 0;
- output->device = 0;
- output->status = 0;
- output->lba = 0;
- if (output->buffer != NULL)
- memset (output->buffer, 0, output->buffer_size);
-
- memset (cdb, 0, sizeof (cdb));
-
- /* Prefer ATA PASS-THROUGH (16) to ATA PASS-THROUGH (12) since the op-code
- * for the latter clashes with the MMC blank command.
- *
- * TODO: this is hard-coded to FALSE for now - should retry with the 12-byte
- * version only if the 16-byte version fails. But we don't do that
- * right now
- */
- use_ata12 = FALSE;
-
- if (use_ata12)
- {
- /* Do not confuse optical drive firmware with ATA commands
- * some drives are reported to blank CD-RWs because the op-code
- * for ATA PASS-THROUGH (12) clashes with the MMC blank command.
- *
- * http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=556635
- */
- if (ioctl (fd, CDROM_GET_CAPABILITY, NULL) >= 0)
- {
- g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
- "Refusing to send ATA PASS-THROUGH (12) to optical drive");
- goto out;
- }
-
- /*
- * 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
- */
- cdb[0] = 0xa1; /* OPERATION CODE: 12 byte pass through */
- switch (protocol)
- {
- case ATA_COMMAND_PROTOCOL_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 */
- break;
- case ATA_COMMAND_PROTOCOL_DRIVE_TO_HOST:
- 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 */
- break;
- case ATA_COMMAND_PROTOCOL_HOST_TO_DRIVE:
- 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 */
- break;
- default:
- g_assert_not_reached ();
- break;
- }
- cdb[3] = input->feature; /* FEATURES */
- cdb[4] = input->count; /* SECTORS */
- cdb[5] = (input->lba >> 0) & 0xff; /* LBA LOW */
- cdb[6] = (input->lba >> 8) & 0xff; /* LBA MID */
- cdb[7] = (input->lba >> 16) & 0xff; /* LBA HIGH */
- cdb[8] = input->device; /* SELECT */
- cdb[9] = input->command; /* ATA COMMAND */
- cdb_len = 12;
- }
- else
- {
- /*
- * 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
- */
- cdb[0] = 0x85; /* OPERATION CODE: 16 byte pass through */
- switch (protocol)
- {
- case ATA_COMMAND_PROTOCOL_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 */
- break;
- case ATA_COMMAND_PROTOCOL_DRIVE_TO_HOST:
- 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 */
- break;
- case ATA_COMMAND_PROTOCOL_HOST_TO_DRIVE:
- 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 */
- break;
- default:
- g_assert_not_reached ();
- break;
- }
- cdb[ 3] = (input->feature >> 8) & 0xff; /* FEATURES */
- cdb[ 4] = (input->feature >> 0) & 0xff; /* FEATURES */
- cdb[ 5] = (input->count >> 8) & 0xff; /* SECTORS */
- cdb[ 6] = (input->count >> 0) & 0xff; /* SECTORS */
- cdb[ 8] = (input->lba >> 16) & 0xff; /* LBA HIGH */
- cdb[10] = (input->lba >> 8) & 0xff; /* LBA MID */
- cdb[12] = (input->lba >> 0) & 0xff; /* LBA LOW */
- cdb[13] = input->device; /* SELECT */
- cdb[14] = input->command; /* ATA COMMAND */
- cdb_len = 16;
- }
-
- /* See http://sg.danny.cz/sg/sg_io.html and http://www.tldp.org/HOWTO/SCSI-Generic-HOWTO/index.html
- * for detailed information about how the SG_IO ioctl work
- */
-
- memset (sense, 0, sizeof (sense));
- memset (&io_v4, 0, sizeof (io_v4));
- io_v4.guard = 'Q';
- io_v4.protocol = BSG_PROTOCOL_SCSI;
- io_v4.subprotocol = BSG_SUB_PROTOCOL_SCSI_CMD;
- io_v4.request_len = cdb_len;
- io_v4.request = (uintptr_t) cdb;
- io_v4.max_response_len = sizeof (sense);
- io_v4.response = (uintptr_t) sense;
- io_v4.din_xfer_len = output->buffer_size;
- io_v4.din_xferp = (uintptr_t) output->buffer;
- io_v4.dout_xfer_len = input->buffer_size;
- io_v4.dout_xferp = (uintptr_t) input->buffer;
- if (timeout_msec == G_MAXINT)
- io_v4.timeout = G_MAXUINT;
- else
- io_v4.timeout = timeout_msec;
-
- rc = ioctl (fd, SG_IO, &io_v4);
- if (rc != 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 = cdb_len;
- switch (protocol)
- {
- case ATA_COMMAND_PROTOCOL_NONE:
- io_hdr.dxfer_direction = SG_DXFER_NONE;
- break;
-
- case ATA_COMMAND_PROTOCOL_DRIVE_TO_HOST:
- io_hdr.dxferp = output->buffer;
- io_hdr.dxfer_len = output->buffer_size;
- io_hdr.dxfer_direction = SG_DXFER_FROM_DEV;
- break;
-
- case ATA_COMMAND_PROTOCOL_HOST_TO_DRIVE:
- io_hdr.dxferp = input->buffer;
- io_hdr.dxfer_len = input->buffer_size;
- io_hdr.dxfer_direction = SG_DXFER_TO_DEV;
- break;
- }
- io_hdr.sbp = sense;
- io_hdr.mx_sb_len = sizeof (sense);
- if (timeout_msec == G_MAXINT)
- io_hdr.timeout = G_MAXUINT;
- else
- io_hdr.timeout = timeout_msec;
-
- rc = ioctl(fd, SG_IO, &io_hdr);
- if (rc != 0)
- {
- g_set_error (error, G_IO_ERROR, g_io_error_from_errno (errno),
- "SGIO v3 ioctl failed (v4 not supported): %m");
- goto out;
- }
- }
- else
- {
- g_set_error (error, G_IO_ERROR, g_io_error_from_errno (errno),
- "SGIO v4 ioctl failed: %m");
- goto out;
- }
- }
-
- if (!(sense[0] == 0x72 && desc[0] == 0x9 && desc[1] == 0x0c))
- {
- gchar *s = udisks_daemon_util_hexdump (sense, 32);
- g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
- "Unexpected sense data returned:\n%s", s);
- g_free (s);
- goto out;
- }
-
- output->error = desc[3];
- output->count = desc[5];
- output->device = desc[12];
- output->status = desc[13];
- output->lba = (desc[11] << 16) | (desc[9] << 8) | desc[7];
-
- /* TODO: be more exact with the error code perhaps? */
- if (output->error != 0 || output->status & 0x01)
- {
- g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
- "ATA command failed: error=0x%02x count=0x%02x status=0x%02x",
- output->error, output->count, output->status);
- goto out;
- }
-
- ret = TRUE;
-
- out:
- return ret;
-}
-
-/* ---------------------------------------------------------------------------------------------------- */
-
static gboolean
handle_pm_get_state (UDisksDriveAta *_drive,
GDBusMethodInvocation *invocation,
{
/* ATA8: 7.8 CHECK POWER MODE - E5h, Non-Data */
- AtaCommandInput input = {.command = 0xe5};
- AtaCommandOutput output = {0};
- if (!ata_send_command (fd,
- -1,
- ATA_COMMAND_PROTOCOL_NONE,
- &input,
- &output,
- &error))
+ UDisksAtaCommandInput input = {.command = 0xe5};
+ UDisksAtaCommandOutput output = {0};
+ if (!udisks_ata_send_command_sync (fd,
+ -1,
+ UDISKS_ATA_COMMAND_PROTOCOL_NONE,
+ &input,
+ &output,
+ &error))
{
g_prefix_error (&error, "Error sending ATA command CHECK POWER MODE: ");
g_dbus_method_invocation_take_error (invocation, error);
{
/* ATA8: 7.55 STANDBY IMMEDIATE - E0h, Non-Data */
- AtaCommandInput input = {.command = 0xe0};
- AtaCommandOutput output = {0};
- if (!ata_send_command (fd,
- -1,
- ATA_COMMAND_PROTOCOL_NONE,
- &input,
- &output,
- &error))
+ UDisksAtaCommandInput input = {.command = 0xe0};
+ UDisksAtaCommandOutput output = {0};
+ if (!udisks_ata_send_command_sync (fd,
+ -1,
+ UDISKS_ATA_COMMAND_PROTOCOL_NONE,
+ &input,
+ &output,
+ &error))
{
g_prefix_error (&error, "Error sending ATA command STANDBY IMMEDIATE: ");
g_dbus_method_invocation_take_error (invocation, error);
if (data->ata_pm_standby != -1)
{
/* ATA8: 7.18 IDLE - E3h, Non-Data */
- AtaCommandInput input = {.command = 0xe3, .count = data->ata_pm_standby};
- AtaCommandOutput output = {0};
- if (!ata_send_command (fd,
- -1,
- ATA_COMMAND_PROTOCOL_NONE,
- &input,
- &output,
- &error))
+ UDisksAtaCommandInput input = {.command = 0xe3, .count = data->ata_pm_standby};
+ UDisksAtaCommandOutput output = {0};
+ if (!udisks_ata_send_command_sync (fd,
+ -1,
+ UDISKS_ATA_COMMAND_PROTOCOL_NONE,
+ &input,
+ &output,
+ &error))
{
udisks_error ("Error sending ATA command IDLE (timeout=%d) to %s: %s (%s, %d)",
data->ata_pm_standby, device_file,
/* ATA8: 7.48 SET FEATURES - EFh, Non-Data
* 7.48.6 Enable/disable the APM feature set
*/
- AtaCommandInput input = {.command = 0xef, .feature = 0x05, .count = data->ata_apm_level};
- AtaCommandOutput output = {0};
+ UDisksAtaCommandInput input = {.command = 0xef, .feature = 0x05, .count = data->ata_apm_level};
+ UDisksAtaCommandOutput output = {0};
if (data->ata_apm_level == 0xff)
{
input.feature = 0x85;
input.count = 0x00;
}
- if (!ata_send_command (fd,
- -1,
- ATA_COMMAND_PROTOCOL_NONE,
- &input,
- &output,
- &error))
+ if (!udisks_ata_send_command_sync (fd,
+ -1,
+ UDISKS_ATA_COMMAND_PROTOCOL_NONE,
+ &input,
+ &output,
+ &error))
{
udisks_error ("Error sending ATA command SET FEATURES, sub-command 0x%02x (ata_apm_level=%d) to %s: %s (%s, %d)",
input.feature, data->ata_apm_level, device_file,
/* ATA8: 7.48 SET FEATURES - EFh, Non-Data
* 7.48.11 Enable/disable the AAM feature set
*/
- AtaCommandInput input = {.command = 0xef, .feature = 0x42, .count = data->ata_aam_level};
- AtaCommandOutput output = {0};
+ UDisksAtaCommandInput input = {.command = 0xef, .feature = 0x42, .count = data->ata_aam_level};
+ UDisksAtaCommandOutput output = {0};
if (data->ata_apm_level == 0xff)
{
input.feature = 0xc2;
input.count = 0x00;
}
- if (!ata_send_command (fd,
- -1,
- ATA_COMMAND_PROTOCOL_NONE,
- &input,
- &output,
- &error))
+ if (!udisks_ata_send_command_sync (fd,
+ -1,
+ UDISKS_ATA_COMMAND_PROTOCOL_NONE,
+ &input,
+ &output,
+ &error))
{
udisks_error ("Error sending ATA command SET FEATURES, sub-command 0x%02x (ata_aam_level=%d) to %s: %s (%s, %d)",
input.feature, data->ata_aam_level, device_file,
/* First get the IDENTIFY data directly from the drive, for sanity checks */
{
/* ATA8: 7.16 IDENTIFY DEVICE - ECh, PIO Data-In */
- AtaCommandInput input = {.command = 0xec};
- AtaCommandOutput output = {.buffer = identify.buf, .buffer_size = sizeof (identify.buf)};
- if (!ata_send_command (fd,
- -1,
- ATA_COMMAND_PROTOCOL_DRIVE_TO_HOST,
- &input,
- &output,
- &local_error))
+ UDisksAtaCommandInput input = {.command = 0xec};
+ UDisksAtaCommandOutput output = {.buffer = identify.buf, .buffer_size = sizeof (identify.buf)};
+ if (!udisks_ata_send_command_sync (fd,
+ -1,
+ UDISKS_ATA_COMMAND_PROTOCOL_DRIVE_TO_HOST,
+ &input,
+ &output,
+ &local_error))
{
g_prefix_error (&local_error, "Error sending ATA command IDENTIFY DEVICE: ");
goto out;
{
/* ATA8: 7.45 SECURITY SET PASSWORD - F1h, PIO Data-Out */
guchar buf[512];
- AtaCommandInput input = {.command = 0xf1, .buffer = buf, .buffer_size = sizeof (buf)};
- AtaCommandOutput output = {0};
+ UDisksAtaCommandInput input = {.command = 0xf1, .buffer = buf, .buffer_size = sizeof (buf)};
+ UDisksAtaCommandOutput output = {0};
memset (buf, 0, sizeof (buf));
memcpy (buf + 2, pass, strlen (pass));
- if (!ata_send_command (fd,
- -1,
- ATA_COMMAND_PROTOCOL_HOST_TO_DRIVE,
- &input,
- &output,
- &local_error))
+ if (!udisks_ata_send_command_sync (fd,
+ -1,
+ UDISKS_ATA_COMMAND_PROTOCOL_HOST_TO_DRIVE,
+ &input,
+ &output,
+ &local_error))
{
g_prefix_error (&local_error, "Error sending ATA command SECURITY SET PASSWORD: ");
goto out;
/* Third... do SECURITY ERASE PREPARE */
{
/* ATA8: 7.42 SECURITY ERASE PREPARE - F3h, Non-Data */
- AtaCommandInput input = {.command = 0xf3};
- AtaCommandOutput output = {0};
- if (!ata_send_command (fd,
- -1,
- ATA_COMMAND_PROTOCOL_NONE,
- &input,
- &output,
- &local_error))
+ UDisksAtaCommandInput input = {.command = 0xf3};
+ UDisksAtaCommandOutput output = {0};
+ if (!udisks_ata_send_command_sync (fd,
+ -1,
+ UDISKS_ATA_COMMAND_PROTOCOL_NONE,
+ &input,
+ &output,
+ &local_error))
{
g_prefix_error (&local_error, "Error sending ATA command SECURITY ERASE PREPARE: ");
goto out;
{
/* ATA8: 7.43 SECURITY ERASE UNIT - F4h, PIO Data-Out */
guchar buf[512];
- AtaCommandInput input = {.command = 0xf4, .buffer = buf, .buffer_size = sizeof (buf)};
- AtaCommandOutput output = {0};
+ UDisksAtaCommandInput input = {.command = 0xf4, .buffer = buf, .buffer_size = sizeof (buf)};
+ UDisksAtaCommandOutput output = {0};
memset (buf, 0, sizeof (buf));
if (enhanced)
buf[0] |= 0x02;
memcpy (buf + 2, pass, strlen (pass));
- if (!ata_send_command (fd,
- G_MAXINT, /* disable timeout */
- ATA_COMMAND_PROTOCOL_HOST_TO_DRIVE,
- &input,
- &output,
- &local_error))
+ if (!udisks_ata_send_command_sync (fd,
+ G_MAXINT, /* disable timeout */
+ UDISKS_ATA_COMMAND_PROTOCOL_HOST_TO_DRIVE,
+ &input,
+ &output,
+ &local_error))
{
g_prefix_error (&local_error, "Error sending ATA command SECURITY ERASE UNIT (enhanced=%d): ",
enhanced ? 1 : 0);
{
/* ATA8: 7.41 SECURITY DISABLE PASSWORD - F6h, PIO Data-Out */
guchar buf[512];
- AtaCommandInput input = {.command = 0xf6, .buffer = buf, .buffer_size = sizeof (buf)};
- AtaCommandOutput output = {0};
+ UDisksAtaCommandInput input = {.command = 0xf6, .buffer = buf, .buffer_size = sizeof (buf)};
+ UDisksAtaCommandOutput output = {0};
GError *cleanup_error = NULL;
memset (buf, 0, sizeof (buf));
memcpy (buf + 2, pass, strlen (pass));
- if (!ata_send_command (fd,
- -1,
- ATA_COMMAND_PROTOCOL_HOST_TO_DRIVE,
- &input,
- &output,
- &cleanup_error))
+ if (!udisks_ata_send_command_sync (fd,
+ -1,
+ UDISKS_ATA_COMMAND_PROTOCOL_HOST_TO_DRIVE,
+ &input,
+ &output,
+ &cleanup_error))
{
udisks_error ("Failed to clear user password '%s' on %s (%s) while attemping clean-up after a failed secure erase operation. You may need to manually unlock the drive. The error was: %s (%s, %d)",
pass,
projects / platform / upstream / udisks2.git / commitdiff