OvmfPkg/XenBusDxe: Add support to make Xen Hypercalls.

Change in V4:
- Replace the license by the commonly used file header text.
- add file header to XenHypercall.h (license, copyright, brief desc)

Change in V3:
- adding IA32 support. (not reviewed yet)
  both XenBusDxe/Ia32/hypercall.{S,asm} file are new

Change in V2:
- file header, copyright
- Add License
- Add push/pop instruction.
- fix types
- Comment of exported functions
- Improve coding style
- Add error handling in the main init function (of the drivers)
- Comment assembly

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16260 6f19259b-4bc3-4df7-8a09-765794883524

1 files changed, 5 insertions, 0 deletions

diff --git a/OvmfPkg/XenBusDxe/XenBusDxe.h b/OvmfPkg/XenBusDxe/XenBusDxe.h
index d7537f3fe5..ccec0ce0e5 100644
--- a/OvmfPkg/XenBusDxe/XenBusDxe.h
+++ b/OvmfPkg/XenBusDxe/XenBusDxe.h
@@ -70,6 +70,8 @@ extern EFI_COMPONENT_NAME_PROTOCOL  gXenBusDxeComponentName;
 //

 // Other stuff

 //

+#include <IndustryStandard/Xen/xen.h>

+

 #define PCI_VENDOR_ID_XEN                0x5853

 #define PCI_DEVICE_ID_XEN_PLATFORM       0x0001

 

@@ -83,6 +85,9 @@ struct _XENBUS_DEVICE {
   EFI_DRIVER_BINDING_PROTOCOL   *This;

   EFI_HANDLE                    ControllerHandle;

   EFI_EVENT                     ExitBootEvent;

+

+  VOID                          *Hyperpage;

+  shared_info_t                 *SharedInfo;

 };

 

 #endif