Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / ipxe / src / interface / efi / efi_smbios.c

diff --git a/qemu/roms/ipxe/src/interface/efi/efi_smbios.c b/qemu/roms/ipxe/src/interface/efi/efi_smbios.c
new file mode 100644 (file)
index 0000000..304f95a
--- /dev/null
+++ b/qemu/roms/ipxe/src/interface/efi/efi_smbios.c
@@ -0,0 +1,67 @@
+/*
+ * Copyright (C) 2008 Michael Brown <mbrown@fensystems.co.uk>.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#include <errno.h>
+#include <ipxe/smbios.h>
+#include <ipxe/efi/efi.h>
+#include <ipxe/efi/Guid/SmBios.h>
+
+/** @file
+ *
+ * iPXE SMBIOS API for EFI
+ *
+ */
+
+/** SMBIOS configuration table */
+static struct smbios_entry *smbios_entry;
+EFI_USE_TABLE ( SMBIOS_TABLE, &smbios_entry, 0 );
+
+/**
+ * Find SMBIOS
+ *
+ * @v smbios           SMBIOS entry point descriptor structure to fill in
+ * @ret rc             Return status code
+ */
+static int efi_find_smbios ( struct smbios *smbios ) {
+
+       if ( ! smbios_entry ) {
+               DBG ( "No SMBIOS table provided\n" );
+               return -ENODEV;
+       }
+
+       if ( smbios_entry->signature != SMBIOS_SIGNATURE ) {
+               DBG ( "Invalid SMBIOS signature\n" );
+               return -ENODEV;
+       }
+
+       smbios->address = phys_to_user ( smbios_entry->smbios_address );
+       smbios->len = smbios_entry->smbios_len;
+       smbios->count = smbios_entry->smbios_count;
+       smbios->version =
+               SMBIOS_VERSION ( smbios_entry->major, smbios_entry->minor );
+       DBG ( "Found SMBIOS v%d.%d entry point at %p (%x+%zx)\n",
+             smbios_entry->major, smbios_entry->minor, smbios_entry,
+             smbios_entry->smbios_address, smbios->len );
+
+       return 0;
+}
+
+PROVIDE_SMBIOS ( efi, find_smbios, efi_find_smbios );