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Diffstat (limited to 'gpxe/src/arch/i386/interface/pcbios/ib_srpboot.c')
-rw-r--r--gpxe/src/arch/i386/interface/pcbios/ib_srpboot.c73
1 files changed, 73 insertions, 0 deletions
diff --git a/gpxe/src/arch/i386/interface/pcbios/ib_srpboot.c b/gpxe/src/arch/i386/interface/pcbios/ib_srpboot.c
new file mode 100644
index 00000000..b1cbc337
--- /dev/null
+++ b/gpxe/src/arch/i386/interface/pcbios/ib_srpboot.c
@@ -0,0 +1,73 @@
+#include <stdint.h>
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <errno.h>
+#include <gpxe/sanboot.h>
+#include <int13.h>
+#include <gpxe/srp.h>
+#include <gpxe/sbft.h>
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+static int ib_srpboot ( 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 = srp_attach ( scsi, root_path ) ) != 0 ) {
+ printf ( "Could not attach IB_SRP device: %s\n",
+ strerror ( rc ) );
+ goto err_attach;
+ }
+ if ( ( rc = init_scsidev ( scsi ) ) != 0 ) {
+ printf ( "Could not initialise IB_SRP device: %s\n",
+ strerror ( rc ) );
+ goto err_init;
+ }
+
+ drive->blockdev = &scsi->blockdev;
+
+ /* FIXME: ugly, ugly hack */
+ struct srp_device *srp =
+ container_of ( scsi->backend, struct srp_device, refcnt );
+ sbft_fill_data ( srp );
+
+ 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:
+ srp_detach ( scsi );
+ err_attach:
+ free ( drive );
+ err_alloc_drive:
+ free ( scsi );
+ err_alloc_scsi:
+ return rc;
+}
+
+struct sanboot_protocol ib_srp_sanboot_protocol __sanboot_protocol = {
+ .prefix = "ib_srp:",
+ .boot = ib_srpboot,
+};