[Xen-devel] [PATCH RFC 3/7] OvmfPkg: define EFI_XEN_OVMF_INFO and extend XenInfo

[Wei Liu <wei.liu2@xxxxxxxxxx>]

EFI_XEN_OVMF_INFO is defined to accept configurations from hvmloader. It
must match the definition on Xen side.

XenInfo is extended to include those bits as well.

Signed-off-by: Wei Liu <wei.liu2@xxxxxxxxxx>
---
 OvmfPkg/Include/Guid/XenInfo.h |   18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/OvmfPkg/Include/Guid/XenInfo.h b/OvmfPkg/Include/Guid/XenInfo.h
index d512b0b..c12960c 100644
--- a/OvmfPkg/Include/Guid/XenInfo.h
+++ b/OvmfPkg/Include/Guid/XenInfo.h
@@ -18,6 +18,19 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER 
EXPRESS OR IMPLIED.
 #define EFI_XEN_INFO_GUID \
     { 0xd3b46f3b, 0xd441, 0x1244, {0x9a, 0x12, 0x0, 0x12, 0x27, 0x3f, 0xc1, 
0x4d } }
 
+#pragma pack(1)
+typedef struct {
+  CHAR8 Signature[11]; /* XenHVMOVMF\0 */
+  UINT8 Length;     /* Length of this struct */
+  UINT8 Checksum;   /* Set such that the sum over bytes 0..length == 0 */
+  /*
+   * Physical address of the e820 table, contains e820_nr entries.
+   */
+  UINT32 E820;
+  UINT32 E820Nr;
+} EFI_XEN_OVMF_INFO;
+#pragma pack()
+
 typedef struct {
   ///
   /// Beginning of the hypercall page.
@@ -35,6 +48,11 @@ typedef struct {
   /// Hypervisor minor version.
   ///
   UINT16 VersionMinor;
+  ///
+  /// E820 map
+  ///
+  VOID *E820;
+  UINT16 E820EntryCount;
 } EFI_XEN_INFO;
 
 extern EFI_GUID gEfiXenInfoGuid;
-- 
1.7.10.4


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