| #include <stdint.h> |
| #include <string.h> |
| #include <stdlib.h> |
| #include <stdio.h> |
| #include <errno.h> |
| #include <gpxe/iscsi.h> |
| #include <gpxe/netdevice.h> |
| #include <gpxe/ibft.h> |
| #include <gpxe/sanboot.h> |
| #include <int13.h> |
| |
| FILE_LICENCE ( GPL2_OR_LATER ); |
| |
| static int iscsiboot ( const char *root_path ) { |
| struct scsi_device *scsi; |
| struct int13_drive *drive; |
| int rc; |
| |
| scsi = zalloc ( sizeof ( *scsi ) ); |
| if ( ! scsi ) { |
| rc = -ENOMEM; |
| goto err_alloc_scsi; |
| } |
| drive = zalloc ( sizeof ( *drive ) ); |
| if ( ! drive ) { |
| rc = -ENOMEM; |
| goto err_alloc_drive; |
| } |
| |
| if ( ( rc = iscsi_attach ( scsi, root_path ) ) != 0 ) { |
| printf ( "Could not attach iSCSI device: %s\n", |
| strerror ( rc ) ); |
| goto err_attach; |
| } |
| if ( ( rc = init_scsidev ( scsi ) ) != 0 ) { |
| printf ( "Could not initialise iSCSI device: %s\n", |
| strerror ( rc ) ); |
| goto err_init; |
| } |
| |
| drive->blockdev = &scsi->blockdev; |
| |
| /* FIXME: ugly, ugly hack */ |
| struct net_device *netdev = last_opened_netdev(); |
| struct iscsi_session *iscsi = |
| container_of ( scsi->backend, struct iscsi_session, refcnt ); |
| ibft_fill_data ( netdev, iscsi ); |
| |
| 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" ); |
| |
| /* Leave drive registered, if instructed to do so */ |
| if ( keep_san() ) |
| return rc; |
| |
| printf ( "Unregistering BIOS drive %#02x\n", drive->drive ); |
| unregister_int13_drive ( drive ); |
| |
| err_init: |
| iscsi_detach ( scsi ); |
| err_attach: |
| free ( drive ); |
| err_alloc_drive: |
| free ( scsi ); |
| err_alloc_scsi: |
| return rc; |
| } |
| |
| struct sanboot_protocol iscsi_sanboot_protocol __sanboot_protocol = { |
| .prefix = "iscsi:", |
| .boot = iscsiboot, |
| }; |