12345678910111213141516171819202122232425262728293031323334353637383940414243444546 |
- #include <stdint.h>
- #include <string.h>
- #include <stdio.h>
- #include <gpxe/iscsi.h>
- #include <gpxe/dhcp.h>
- #include <int13.h>
- #include <usr/iscsiboot.h>
-
- int iscsiboot ( const char *root_path ) {
- struct scsi_device scsi;
- struct int13_drive drive;
- int rc;
-
- memset ( &scsi, 0, sizeof ( scsi ) );
- memset ( &drive, 0, sizeof ( drive ) );
-
- printf ( "iSCSI booting from %s\n", root_path );
-
- if ( ( rc = iscsi_attach ( &scsi, root_path ) ) != 0 ) {
- printf ( "Could not attach iSCSI device: %s\n",
- strerror ( rc ) );
- goto error_attach;
- }
- if ( ( rc = init_scsidev ( &scsi ) ) != 0 ) {
- printf ( "Could not initialise iSCSI device: %s\n",
- strerror ( rc ) );
- goto error_init;
- }
-
- drive.drive = find_global_dhcp_num_option ( DHCP_EB_BIOS_DRIVE );
- drive.blockdev = &scsi.blockdev;
-
- register_int13_drive ( &drive );
- printf ( "Registered as BIOS drive %#02x\n", drive.drive );
- printf ( "Booting from BIOS drive %#02x\n", drive.drive );
- rc = int13_boot ( drive.drive );
- printf ( "Boot failed\n" );
-
- printf ( "Unregistering BIOS drive %#02x\n", drive.drive );
- unregister_int13_drive ( &drive );
-
- error_init:
- iscsi_detach ( &scsi );
- error_attach:
- return rc;
- }
|