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      1 #include <stdint.h>
      2 #include <string.h>
      3 #include <stdlib.h>
      4 #include <stdio.h>
      5 #include <errno.h>
      6 #include <gpxe/aoe.h>
      7 #include <gpxe/ata.h>
      8 #include <gpxe/netdevice.h>
      9 #include <gpxe/sanboot.h>
     10 #include <gpxe/abft.h>
     11 #include <int13.h>
     12 
     13 FILE_LICENCE ( GPL2_OR_LATER );
     14 
     15 static int aoeboot ( const char *root_path ) {
     16 	struct ata_device *ata;
     17 	struct int13_drive *drive;
     18 	int rc;
     19 
     20 	ata = zalloc ( sizeof ( *ata ) );
     21 	if ( ! ata ) {
     22 		rc = -ENOMEM;
     23 		goto err_alloc_ata;
     24 	}
     25 	drive = zalloc ( sizeof ( *drive ) );
     26 	if ( ! drive ) {
     27 		rc = -ENOMEM;
     28 		goto err_alloc_drive;
     29 	}
     30 
     31 	/* FIXME: ugly, ugly hack */
     32 	struct net_device *netdev = last_opened_netdev();
     33 
     34 	if ( ( rc = aoe_attach ( ata, netdev, root_path ) ) != 0 ) {
     35 		printf ( "Could not attach AoE device: %s\n",
     36 			 strerror ( rc ) );
     37 		goto err_attach;
     38 	}
     39 	if ( ( rc = init_atadev ( ata ) ) != 0 ) {
     40 		printf ( "Could not initialise AoE device: %s\n",
     41 			 strerror ( rc ) );
     42 		goto err_init;
     43 	}
     44 
     45 	/* FIXME: ugly, ugly hack */
     46 	struct aoe_session *aoe =
     47 		container_of ( ata->backend, struct aoe_session, refcnt );
     48 	abft_fill_data ( aoe );
     49 
     50 	drive->blockdev = &ata->blockdev;
     51 
     52 	register_int13_drive ( drive );
     53 	printf ( "Registered as BIOS drive %#02x\n", drive->drive );
     54 	printf ( "Booting from BIOS drive %#02x\n", drive->drive );
     55 	rc = int13_boot ( drive->drive );
     56 	printf ( "Boot failed\n" );
     57 
     58 	/* Leave drive registered, if instructed to do so */
     59 	if ( keep_san() )
     60 		return rc;
     61 
     62 	printf ( "Unregistering BIOS drive %#02x\n", drive->drive );
     63 	unregister_int13_drive ( drive );
     64 
     65  err_init:
     66 	aoe_detach ( ata );
     67  err_attach:
     68 	free ( drive );
     69  err_alloc_drive:
     70 	free ( ata );
     71  err_alloc_ata:
     72 	return rc;
     73 }
     74 
     75 struct sanboot_protocol aoe_sanboot_protocol __sanboot_protocol = {
     76 	.prefix = "aoe:",
     77 	.boot = aoeboot,
     78 };
     79