summaryrefslogtreecommitdiffstats
path: root/src/arch/i386/interface/pcbios/aoeboot.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/arch/i386/interface/pcbios/aoeboot.c')
-rw-r--r--src/arch/i386/interface/pcbios/aoeboot.c79
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,
+};