[v5] Specific platform to run OVMF in Xen PVH and HVM guests

[edk2-devel] [PATCH v5 18/35] OvmfPkg/XenPlatformPei: Introduce XenHvmloaderDetected

Posted by Anthony PERARD 5 years, 3 months ago

This new XenHvmloaderDetected() return true if the hvmloader firmware
has runned before OVMF.

Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=1689
Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
Acked-by: Laszlo Ersek <lersek@redhat.com>
---

Notes:
    v3:
    - Added one sentence in the commit message.

 OvmfPkg/XenPlatformPei/Platform.h | 5 +++++
 OvmfPkg/XenPlatformPei/Xen.c      | 7 +++++++
 2 files changed, 12 insertions(+)

diff --git a/OvmfPkg/XenPlatformPei/Platform.h b/OvmfPkg/XenPlatformPei/Platform.h
index 77427496c0..925df31f88 100644
--- a/OvmfPkg/XenPlatformPei/Platform.h
+++ b/OvmfPkg/XenPlatformPei/Platform.h
@@ -89,6 +89,11 @@ XenDetect (
   VOID
   );
 
+BOOLEAN
+XenHvmloaderDetected (
+  VOID
+  );
+
 VOID
 AmdSevInitialize (
   VOID
diff --git a/OvmfPkg/XenPlatformPei/Xen.c b/OvmfPkg/XenPlatformPei/Xen.c
index c67f4c9697..2105304c41 100644
--- a/OvmfPkg/XenPlatformPei/Xen.c
+++ b/OvmfPkg/XenPlatformPei/Xen.c
@@ -199,6 +199,13 @@ XenDetect (
   return FALSE;
 }
 
+BOOLEAN
+XenHvmloaderDetected (
+  VOID
+  )
+{
+  return (mXenHvmloaderInfo != NULL);
+}
 
 VOID
 XenPublishRamRegions (
-- 
Anthony PERARD


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