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authorHeinrich Schuchardt <xypron.glpk@gmx.de>2020-05-20 22:39:35 +0200
committerHeinrich Schuchardt <xypron.glpk@gmx.de>2020-05-21 10:00:17 +0200
commit19ecced71cfb92519e8ef7dddbc4138d871fe97c (patch)
treeb9c7bfd5087fbc78f40ba75de8aaf9cffb56247a /include/efi_loader.h
parentc067cef695d8909f2c453eb9fedb718206d906a4 (diff)
efi_loader: device path for virtio block devices
The UEFI specification does not define a device sub-type for virtio. Let's use a vendor hardware node here. This avoids creation of two handles with the same device path indicating our root node. Reported-by: Ard Biesheuvel <ardb@kernel.org> Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Diffstat (limited to 'include/efi_loader.h')
-rw-r--r--include/efi_loader.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/efi_loader.h b/include/efi_loader.h
index 4b48f99773..9533df26dc 100644
--- a/include/efi_loader.h
+++ b/include/efi_loader.h
@@ -45,6 +45,10 @@ static inline void *guidcpy(void *dst, const void *src)
#define U_BOOT_HOST_DEV_GUID \
EFI_GUID(0xbbe4e671, 0x5773, 0x4ea1, \
0x9a, 0xab, 0x3a, 0x7d, 0xbf, 0x40, 0xc4, 0x82)
+/* GUID used as root for virtio devices */
+#define U_BOOT_VIRTIO_DEV_GUID \
+ EFI_GUID(0x63293792, 0xadf5, 0x9325, \
+ 0xb9, 0x9f, 0x4e, 0x0e, 0x45, 0x5c, 0x1b, 0x1e)
/* Use internal device tree when starting UEFI application */
#define EFI_FDT_USE_INTERNAL NULL