1 files changed, 75 insertions, 0 deletions
diff --git a/contrib/syslinux-4.02/gpxe/src/arch/i386/interface/pcbios/iscsiboot.c b/contrib/syslinux-4.02/gpxe/src/arch/i386/interface/pcbios/iscsiboot.c
new file mode 100644
index 0000000..00efd8f
--- /dev/null
+++ b/contrib/syslinux-4.02/gpxe/src/arch/i386/interface/pcbios/iscsiboot.c
@@ -0,0 +1,75 @@
+#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,
+};