From fd95c780b6ad39ab55344c0e4b9c2125c2c2f5ad Mon Sep 17 00:00:00 2001
From: Michael Brown
Date: Wed, 16 Nov 2016 22:22:22 +0000
Subject: [efi] Add basic EFI SAN booting capability

Signed-off-by: Michael Brown <mcb30@ipxe.org>
---
 src/include/ipxe/efi/efi_block.h | 27 +++++++++++++++++++++++++++
 src/include/ipxe/errfile.h       |  1 +
 src/include/ipxe/sanboot.h       |  1 +
 3 files changed, 29 insertions(+)
 create mode 100644 src/include/ipxe/efi/efi_block.h

(limited to 'src/include')

diff --git a/src/include/ipxe/efi/efi_block.h b/src/include/ipxe/efi/efi_block.h
new file mode 100644
index 000000000..ea28230bf
--- /dev/null
+++ b/src/include/ipxe/efi/efi_block.h
@@ -0,0 +1,27 @@
+#ifndef _IPXE_EFI_BLOCK_H
+#define _IPXE_EFI_BLOCK_H
+
+/** @block
+ *
+ * EFI block device protocols
+ *
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
+
+#ifdef SANBOOT_EFI
+#define SANBOOT_PREFIX_efi
+#else
+#define SANBOOT_PREFIX_efi __efi_
+#endif
+
+static inline __always_inline unsigned int
+SANBOOT_INLINE ( efi, san_default_drive ) ( void ) {
+	/* Drive numbers don't exist as a concept under EFI.  We
+	 * arbitarily choose to use drive 0x80 to minimise differences
+	 * with a standard BIOS.
+	 */
+	return 0x80;
+}
+
+#endif /* _IPXE_EFI_BLOCK_H */
diff --git a/src/include/ipxe/errfile.h b/src/include/ipxe/errfile.h
index 08e166ce7..d0b93d02f 100644
--- a/src/include/ipxe/errfile.h
+++ b/src/include/ipxe/errfile.h
@@ -71,6 +71,7 @@ FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
 #define ERRFILE_fault		       ( ERRFILE_CORE | 0x001f0000 )
 #define ERRFILE_blocktrans	       ( ERRFILE_CORE | 0x00200000 )
 #define ERRFILE_pixbuf		       ( ERRFILE_CORE | 0x00210000 )
+#define ERRFILE_efi_block	       ( ERRFILE_CORE | 0x00220000 )
 
 #define ERRFILE_eisa		     ( ERRFILE_DRIVER | 0x00000000 )
 #define ERRFILE_isa		     ( ERRFILE_DRIVER | 0x00010000 )
diff --git a/src/include/ipxe/sanboot.h b/src/include/ipxe/sanboot.h
index 041e18935..c651364cb 100644
--- a/src/include/ipxe/sanboot.h
+++ b/src/include/ipxe/sanboot.h
@@ -54,6 +54,7 @@ struct uri;
 
 /* Include all architecture-independent sanboot API headers */
 #include <ipxe/null_sanboot.h>
+#include <ipxe/efi/efi_block.h>
 
 /* Include all architecture-dependent sanboot API headers */
 #include <bits/sanboot.h>
-- 
cgit v1.2.3-55-g7522