diff options
Diffstat (limited to 'src/arch/i386/interface/pcbios/aoeboot.c')
-rw-r--r-- | src/arch/i386/interface/pcbios/aoeboot.c | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/src/arch/i386/interface/pcbios/aoeboot.c b/src/arch/i386/interface/pcbios/aoeboot.c new file mode 100644 index 00000000..e977b10f --- /dev/null +++ b/src/arch/i386/interface/pcbios/aoeboot.c @@ -0,0 +1,79 @@ +#include <stdint.h> +#include <string.h> +#include <stdio.h> +#include <byteswap.h> +#include <gpxe/aoe.h> +#include <gpxe/ata.h> +#include <gpxe/netdevice.h> +#include <gpxe/settings.h> +#include <gpxe/sanboot.h> +#include <gpxe/abft.h> +#include <int13.h> + +/** + * Guess boot network device + * + * @ret netdev Boot network device + */ +static struct net_device * guess_boot_netdev ( void ) { + struct net_device *netdev; + + /* Just use the first network device */ + for_each_netdev ( netdev ) { + if ( netdev->state & NETDEV_OPEN ) + return netdev; + } + + return NULL; +} + +static int aoeboot ( const char *root_path ) { + struct ata_device ata; + struct int13_drive drive; + int rc; + + memset ( &ata, 0, sizeof ( ata ) ); + memset ( &drive, 0, sizeof ( drive ) ); + + printf ( "AoE booting from %s\n", root_path ); + + /* FIXME: ugly, ugly hack */ + struct net_device *netdev = guess_boot_netdev(); + + if ( ( rc = aoe_attach ( &ata, netdev, root_path ) ) != 0 ) { + printf ( "Could not attach AoE device: %s\n", + strerror ( rc ) ); + goto error_attach; + } + if ( ( rc = init_atadev ( &ata ) ) != 0 ) { + printf ( "Could not initialise AoE device: %s\n", + strerror ( rc ) ); + goto error_init; + } + + /* FIXME: ugly, ugly hack */ + struct aoe_session *aoe = + container_of ( ata.backend, struct aoe_session, refcnt ); + abft_fill_data ( aoe ); + + drive.blockdev = &ata.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: + aoe_detach ( &ata ); + error_attach: + return rc; +} + +struct sanboot_protocol aoe_sanboot_protocol __sanboot_protocol = { + .prefix = "aoe:", + .boot = aoeboot, +}; |