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From: Ard Biesheuvel <ard.biesheuvel@linaro.org>
To: edk2-devel@lists.sourceforge.net, olivier.martin@arm.com,
	lersek@redhat.com, roy.franz@linaro.org,
	leif.lindholm@linaro.org, stefano.stabellini@eu.citrix.com,
	ian.campbell@citrix.com, anthony.perard@citrix.com,
	xen-devel@lists.xen.org, julien.grall@linaro.org,
	jordan.l.justen@intel.com, michael.d.kinney@intel.com,
	feng.tian@intel.com
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Subject: [PATCH v4 21/29] Ovmf/Xen: move XenBusDxe to abstract XENIO_PROTOCOL
Date: Thu, 12 Feb 2015 19:19:13 +0800	[thread overview]
Message-ID: <1423739961-5945-22-git-send-email-ard.biesheuvel__4986.25798286429$1423740108$gmane$org@linaro.org> (raw)
In-Reply-To: <1423739961-5945-1-git-send-email-ard.biesheuvel@linaro.org>

While Xen on Intel uses a virtual PCI device to communicate the
base address of the grant table, the ARM implementation uses a DT
node, which is fundamentally incompatible with the way XenBusDxe is
implemented, i.e., as a UEFI Driver Model implementation for a PCI
device.

Contributed-under: TianoCore Contribution Agreement 1.0
Acked-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
---
 OvmfPkg/OvmfPkgIa32.dsc           |  1 +
 OvmfPkg/OvmfPkgIa32.fdf           |  1 +
 OvmfPkg/OvmfPkgIa32X64.dsc        |  1 +
 OvmfPkg/OvmfPkgIa32X64.fdf        |  1 +
 OvmfPkg/OvmfPkgX64.dsc            |  1 +
 OvmfPkg/OvmfPkgX64.fdf            |  1 +
 OvmfPkg/XenBusDxe/ComponentName.c |  2 +-
 OvmfPkg/XenBusDxe/GrantTable.c    |  5 ++---
 OvmfPkg/XenBusDxe/GrantTable.h    |  3 +--
 OvmfPkg/XenBusDxe/XenBus.c        |  6 +++---
 OvmfPkg/XenBusDxe/XenBusDxe.c     | 55 +++++++++++++------------------------------------------
 OvmfPkg/XenBusDxe/XenBusDxe.h     |  8 ++------
 OvmfPkg/XenBusDxe/XenBusDxe.inf   |  2 +-
 13 files changed, 29 insertions(+), 58 deletions(-)

diff --git a/OvmfPkg/OvmfPkgIa32.dsc b/OvmfPkg/OvmfPkgIa32.dsc
index 90540272745c..8c880613851d 100644
--- a/OvmfPkg/OvmfPkgIa32.dsc
+++ b/OvmfPkg/OvmfPkgIa32.dsc
@@ -444,6 +444,7 @@
   OvmfPkg/VirtioBlkDxe/VirtioBlk.inf
   OvmfPkg/VirtioScsiDxe/VirtioScsi.inf
   OvmfPkg/QemuFlashFvbServicesRuntimeDxe/FvbServicesRuntimeDxe.inf
+  OvmfPkg/XenIoPciDxe/XenIoPciDxe.inf
   OvmfPkg/XenBusDxe/XenBusDxe.inf
   OvmfPkg/XenPvBlkDxe/XenPvBlkDxe.inf
   OvmfPkg/EmuVariableFvbRuntimeDxe/Fvb.inf {
diff --git a/OvmfPkg/OvmfPkgIa32.fdf b/OvmfPkg/OvmfPkgIa32.fdf
index f47e7ddc7834..ecef963d1e85 100644
--- a/OvmfPkg/OvmfPkgIa32.fdf
+++ b/OvmfPkg/OvmfPkgIa32.fdf
@@ -227,6 +227,7 @@ INF  OvmfPkg/VirtioScsiDxe/VirtioScsi.inf
 INF  OvmfPkg/QemuFlashFvbServicesRuntimeDxe/FvbServicesRuntimeDxe.inf
 INF  OvmfPkg/EmuVariableFvbRuntimeDxe/Fvb.inf
 INF  MdeModulePkg/Universal/FaultTolerantWriteDxe/FaultTolerantWriteDxe.inf
+INF  OvmfPkg/XenIoPciDxe/XenIoPciDxe.inf
 INF  OvmfPkg/XenBusDxe/XenBusDxe.inf
 INF  OvmfPkg/XenPvBlkDxe/XenPvBlkDxe.inf
 
diff --git a/OvmfPkg/OvmfPkgIa32X64.dsc b/OvmfPkg/OvmfPkgIa32X64.dsc
index 0a331eda8be0..ff32ecefd07b 100644
--- a/OvmfPkg/OvmfPkgIa32X64.dsc
+++ b/OvmfPkg/OvmfPkgIa32X64.dsc
@@ -451,6 +451,7 @@
   OvmfPkg/VirtioBlkDxe/VirtioBlk.inf
   OvmfPkg/VirtioScsiDxe/VirtioScsi.inf
   OvmfPkg/QemuFlashFvbServicesRuntimeDxe/FvbServicesRuntimeDxe.inf
+  OvmfPkg/XenIoPciDxe/XenIoPciDxe.inf
   OvmfPkg/XenBusDxe/XenBusDxe.inf
   OvmfPkg/XenPvBlkDxe/XenPvBlkDxe.inf
   OvmfPkg/EmuVariableFvbRuntimeDxe/Fvb.inf {
diff --git a/OvmfPkg/OvmfPkgIa32X64.fdf b/OvmfPkg/OvmfPkgIa32X64.fdf
index 4c034460d5d2..29414ff04082 100644
--- a/OvmfPkg/OvmfPkgIa32X64.fdf
+++ b/OvmfPkg/OvmfPkgIa32X64.fdf
@@ -227,6 +227,7 @@ INF  OvmfPkg/VirtioScsiDxe/VirtioScsi.inf
 INF  OvmfPkg/QemuFlashFvbServicesRuntimeDxe/FvbServicesRuntimeDxe.inf
 INF  OvmfPkg/EmuVariableFvbRuntimeDxe/Fvb.inf
 INF  MdeModulePkg/Universal/FaultTolerantWriteDxe/FaultTolerantWriteDxe.inf
+INF  OvmfPkg/XenIoPciDxe/XenIoPciDxe.inf
 INF  OvmfPkg/XenBusDxe/XenBusDxe.inf
 INF  OvmfPkg/XenPvBlkDxe/XenPvBlkDxe.inf
 
diff --git a/OvmfPkg/OvmfPkgX64.dsc b/OvmfPkg/OvmfPkgX64.dsc
index e2b37c271681..8bac6dc313f0 100644
--- a/OvmfPkg/OvmfPkgX64.dsc
+++ b/OvmfPkg/OvmfPkgX64.dsc
@@ -449,6 +449,7 @@
   OvmfPkg/VirtioBlkDxe/VirtioBlk.inf
   OvmfPkg/VirtioScsiDxe/VirtioScsi.inf
   OvmfPkg/QemuFlashFvbServicesRuntimeDxe/FvbServicesRuntimeDxe.inf
+  OvmfPkg/XenIoPciDxe/XenIoPciDxe.inf
   OvmfPkg/XenBusDxe/XenBusDxe.inf
   OvmfPkg/XenPvBlkDxe/XenPvBlkDxe.inf
   OvmfPkg/EmuVariableFvbRuntimeDxe/Fvb.inf {
diff --git a/OvmfPkg/OvmfPkgX64.fdf b/OvmfPkg/OvmfPkgX64.fdf
index 2323eb2edf33..f1feb698ba66 100644
--- a/OvmfPkg/OvmfPkgX64.fdf
+++ b/OvmfPkg/OvmfPkgX64.fdf
@@ -227,6 +227,7 @@ INF  OvmfPkg/VirtioScsiDxe/VirtioScsi.inf
 INF  OvmfPkg/QemuFlashFvbServicesRuntimeDxe/FvbServicesRuntimeDxe.inf
 INF  OvmfPkg/EmuVariableFvbRuntimeDxe/Fvb.inf
 INF  MdeModulePkg/Universal/FaultTolerantWriteDxe/FaultTolerantWriteDxe.inf
+INF  OvmfPkg/XenIoPciDxe/XenIoPciDxe.inf
 INF  OvmfPkg/XenBusDxe/XenBusDxe.inf
 INF  OvmfPkg/XenPvBlkDxe/XenPvBlkDxe.inf
 
diff --git a/OvmfPkg/XenBusDxe/ComponentName.c b/OvmfPkg/XenBusDxe/ComponentName.c
index 4530509e65dc..3f2dd406c77d 100644
--- a/OvmfPkg/XenBusDxe/ComponentName.c
+++ b/OvmfPkg/XenBusDxe/ComponentName.c
@@ -155,7 +155,7 @@ XenBusDxeComponentNameGetControllerName (
   Status = EfiTestManagedDevice (
              ControllerHandle,
              gXenBusDxeDriverBinding.DriverBindingHandle,
-             &gEfiPciIoProtocolGuid
+             &gXenIoProtocolGuid
              );
   if (EFI_ERROR (Status)) {
     return Status;
diff --git a/OvmfPkg/XenBusDxe/GrantTable.c b/OvmfPkg/XenBusDxe/GrantTable.c
index a80d5eff39cd..19117fbe0373 100644
--- a/OvmfPkg/XenBusDxe/GrantTable.c
+++ b/OvmfPkg/XenBusDxe/GrantTable.c
@@ -139,8 +139,7 @@ XenGrantTableEndAccess (
 
 VOID
 XenGrantTableInit (
-  IN XENBUS_DEVICE  *Dev,
-  IN UINT64         MmioAddr
+  IN XENBUS_DEVICE  *Dev
   )
 {
   xen_add_to_physmap_t Parameters;
@@ -155,7 +154,7 @@ XenGrantTableInit (
     XenGrantTablePutFreeEntry ((grant_ref_t)Index);
   }
 
-  GrantTable = (VOID*)(UINTN) MmioAddr;
+  GrantTable = (VOID*)(UINTN) Dev->XenIo->GrantTableAddress;
   for (Index = 0; Index < NR_GRANT_FRAMES; Index++) {
     Parameters.domid = DOMID_SELF;
     Parameters.idx = Index;
diff --git a/OvmfPkg/XenBusDxe/GrantTable.h b/OvmfPkg/XenBusDxe/GrantTable.h
index 5772c56662df..194275ba7ed5 100644
--- a/OvmfPkg/XenBusDxe/GrantTable.h
+++ b/OvmfPkg/XenBusDxe/GrantTable.h
@@ -29,8 +29,7 @@
 **/
 VOID
 XenGrantTableInit (
-  IN XENBUS_DEVICE  *Dev,
-  IN UINT64         MmioAddr
+  IN XENBUS_DEVICE  *Dev
   );
 
 /**
diff --git a/OvmfPkg/XenBusDxe/XenBus.c b/OvmfPkg/XenBusDxe/XenBus.c
index f69c27dd184a..ee9526c33252 100644
--- a/OvmfPkg/XenBusDxe/XenBus.c
+++ b/OvmfPkg/XenBusDxe/XenBus.c
@@ -138,7 +138,7 @@ XenBusAddDevice (
   XENBUS_PRIVATE_DATA *Private;
   EFI_STATUS Status;
   XENBUS_DEVICE_PATH *TempXenBusPath;
-  VOID *ChildPciIo;
+  VOID *ChildXenIo;
 
   AsciiSPrint (DevicePath, sizeof (DevicePath),
                "device/%a/%a", Type, Id);
@@ -208,8 +208,8 @@ XenBusAddDevice (
     }
 
     Status = gBS->OpenProtocol (Dev->ControllerHandle,
-               &gEfiPciIoProtocolGuid,
-               &ChildPciIo, Dev->This->DriverBindingHandle,
+               &gXenIoProtocolGuid,
+               &ChildXenIo, Dev->This->DriverBindingHandle,
                Private->Handle,
                EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER);
     if (EFI_ERROR (Status)) {
diff --git a/OvmfPkg/XenBusDxe/XenBusDxe.c b/OvmfPkg/XenBusDxe/XenBusDxe.c
index cc334c086c1f..2c4a08673ce6 100644
--- a/OvmfPkg/XenBusDxe/XenBusDxe.c
+++ b/OvmfPkg/XenBusDxe/XenBusDxe.c
@@ -23,8 +23,6 @@
 
 **/
 
-#include <IndustryStandard/Pci.h>
-#include <IndustryStandard/Acpi.h>
 #include <Library/DebugLib.h>
 #include <Library/XenHypercallLib.h>
 
@@ -233,34 +231,22 @@ XenBusDxeDriverBindingSupported (
   )
 {
   EFI_STATUS          Status;
-  EFI_PCI_IO_PROTOCOL *PciIo;
-  PCI_TYPE00          Pci;
+  XENIO_PROTOCOL      *XenIo;
 
   Status = gBS->OpenProtocol (
                      ControllerHandle,
-                     &gEfiPciIoProtocolGuid,
-                     (VOID **)&PciIo,
+                     &gXenIoProtocolGuid,
+                     (VOID **)&XenIo,
                      This->DriverBindingHandle,
                      ControllerHandle,
                      EFI_OPEN_PROTOCOL_BY_DRIVER
                      );
+
   if (EFI_ERROR (Status)) {
     return Status;
   }
 
-  Status = PciIo->Pci.Read (PciIo, EfiPciIoWidthUint32, 0,
-                            sizeof Pci / sizeof (UINT32), &Pci);
-
-  if (Status == EFI_SUCCESS) {
-    if (Pci.Hdr.VendorId == PCI_VENDOR_ID_XEN &&
-        Pci.Hdr.DeviceId == PCI_DEVICE_ID_XEN_PLATFORM) {
-      Status = EFI_SUCCESS;
-    } else {
-      Status = EFI_UNSUPPORTED;
-    }
-  }
-
-  gBS->CloseProtocol (ControllerHandle, &gEfiPciIoProtocolGuid,
+  gBS->CloseProtocol (ControllerHandle, &gXenIoProtocolGuid,
          This->DriverBindingHandle, ControllerHandle);
 
   return Status;
@@ -326,19 +312,18 @@ XenBusDxeDriverBindingStart (
 {
   EFI_STATUS Status;
   XENBUS_DEVICE *Dev;
-  EFI_PCI_IO_PROTOCOL *PciIo;
-  EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR *BarDesc;
-  UINT64 MmioAddr;
+  XENIO_PROTOCOL *XenIo;
   EFI_DEVICE_PATH_PROTOCOL *DevicePath;
 
   Status = gBS->OpenProtocol (
                      ControllerHandle,
-                     &gEfiPciIoProtocolGuid,
-                     (VOID **) &PciIo,
+                     &gXenIoProtocolGuid,
+                     (VOID**)&XenIo,
                      This->DriverBindingHandle,
                      ControllerHandle,
                      EFI_OPEN_PROTOCOL_BY_DRIVER
                      );
+
   if (EFI_ERROR (Status)) {
     return Status;
   }
@@ -360,7 +345,7 @@ XenBusDxeDriverBindingStart (
   Dev->Signature = XENBUS_DEVICE_SIGNATURE;
   Dev->This = This;
   Dev->ControllerHandle = ControllerHandle;
-  Dev->PciIo = PciIo;
+  Dev->XenIo = XenIo;
   Dev->DevicePath = DevicePath;
   InitializeListHead (&Dev->ChildList);
 
@@ -376,20 +361,6 @@ XenBusDxeDriverBindingStart (
   mMyDevice = Dev;
   EfiReleaseLock (&mMyDeviceLock);
 
-  //
-  // The BAR1 of this PCI device is used for shared memory and is supposed to
-  // look like MMIO. The address space of the BAR1 will be used to map the
-  // Grant Table.
-  //
-  Status = PciIo->GetBarAttributes (PciIo, PCI_BAR_IDX1, NULL, (VOID**) &BarDesc);
-  ASSERT_EFI_ERROR (Status);
-  ASSERT (BarDesc->ResType == ACPI_ADDRESS_SPACE_TYPE_MEM);
-
-  /* Get a Memory address for mapping the Grant Table. */
-  DEBUG ((EFI_D_INFO, "XenBus: BAR at %LX\n", BarDesc->AddrRangeMin));
-  MmioAddr = BarDesc->AddrRangeMin;
-  FreePool (BarDesc);
-
   Status = XenGetSharedInfoPage (Dev);
   if (EFI_ERROR (Status)) {
     DEBUG ((EFI_D_ERROR, "XenBus: Unable to get the shared info page.\n"));
@@ -397,7 +368,7 @@ XenBusDxeDriverBindingStart (
     goto ErrorAllocated;
   }
 
-  XenGrantTableInit (Dev, MmioAddr);
+  XenGrantTableInit (Dev);
 
   Status = XenStoreInit (Dev);
   ASSERT_EFI_ERROR (Status);
@@ -417,7 +388,7 @@ ErrorAllocated:
   gBS->CloseProtocol (ControllerHandle, &gEfiDevicePathProtocolGuid,
                       This->DriverBindingHandle, ControllerHandle);
 ErrorOpenningProtocol:
-  gBS->CloseProtocol (ControllerHandle, &gEfiPciIoProtocolGuid,
+  gBS->CloseProtocol (ControllerHandle, &gXenIoProtocolGuid,
                       This->DriverBindingHandle, ControllerHandle);
   return Status;
 }
@@ -507,7 +478,7 @@ XenBusDxeDriverBindingStop (
 
   gBS->CloseProtocol (ControllerHandle, &gEfiDevicePathProtocolGuid,
          This->DriverBindingHandle, ControllerHandle);
-  gBS->CloseProtocol (ControllerHandle, &gEfiPciIoProtocolGuid,
+  gBS->CloseProtocol (ControllerHandle, &gXenIoProtocolGuid,
          This->DriverBindingHandle, ControllerHandle);
 
   mMyDevice = NULL;
diff --git a/OvmfPkg/XenBusDxe/XenBusDxe.h b/OvmfPkg/XenBusDxe/XenBusDxe.h
index 9b7219906a69..6c306e017b07 100644
--- a/OvmfPkg/XenBusDxe/XenBusDxe.h
+++ b/OvmfPkg/XenBusDxe/XenBusDxe.h
@@ -39,7 +39,7 @@
 //
 // Consumed Protocols
 //
-#include <Protocol/PciIo.h>
+#include <Protocol/XenIo.h>
 
 
 //
@@ -73,10 +73,6 @@ extern EFI_COMPONENT_NAME_PROTOCOL  gXenBusDxeComponentName;
 //
 #include <IndustryStandard/Xen/xen.h>
 
-#define PCI_VENDOR_ID_XEN                0x5853
-#define PCI_DEVICE_ID_XEN_PLATFORM       0x0001
-
-
 typedef struct _XENBUS_DEVICE_PATH XENBUS_DEVICE_PATH;
 typedef struct _XENBUS_DEVICE XENBUS_DEVICE;
 
@@ -86,7 +82,7 @@ struct _XENBUS_DEVICE {
   UINT32                        Signature;
   EFI_DRIVER_BINDING_PROTOCOL   *This;
   EFI_HANDLE                    ControllerHandle;
-  EFI_PCI_IO_PROTOCOL           *PciIo;
+  XENIO_PROTOCOL                *XenIo;
   EFI_EVENT                     ExitBootEvent;
   EFI_DEVICE_PATH_PROTOCOL      *DevicePath;
   LIST_ENTRY                    ChildList;
diff --git a/OvmfPkg/XenBusDxe/XenBusDxe.inf b/OvmfPkg/XenBusDxe/XenBusDxe.inf
index 714607dbd6f8..31553ac5a64a 100644
--- a/OvmfPkg/XenBusDxe/XenBusDxe.inf
+++ b/OvmfPkg/XenBusDxe/XenBusDxe.inf
@@ -67,8 +67,8 @@
 
 [Protocols]
   gEfiDriverBindingProtocolGuid
-  gEfiPciIoProtocolGuid
   gEfiComponentName2ProtocolGuid
   gEfiComponentNameProtocolGuid
   gXenBusProtocolGuid
+  gXenIoProtocolGuid
 
-- 
1.8.3.2

  parent reply	other threads:[~2015-02-12 11:19 UTC|newest]

Thread overview: 46+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <1423739961-5945-1-git-send-email-ard.biesheuvel@linaro.org>
2015-02-12 11:18 ` [PATCH v4 01/29] ArmPkg: allow HYP timer interrupt to be omitted Ard Biesheuvel
2015-02-12 11:18 ` [PATCH v4 02/29] ArmPkg: allow patchable PCDs for memory, FD and FV addresses Ard Biesheuvel
2015-02-12 11:18 ` [PATCH v4 03/29] ArmPlatformPkg: allow patchable PCD for FD base address Ard Biesheuvel
2015-02-12 11:18 ` [PATCH v4 04/29] ArmVirtualizationPkg: add GICv3 detection to VirtFdtDxe Ard Biesheuvel
2015-02-12 11:18 ` [PATCH v4 05/29] ArmVirtualizationPkg: allow patchable PCD for device tree base address Ard Biesheuvel
2015-02-12 11:18 ` [PATCH v4 06/29] ArmVirtualizationPkg: move early UART discovery to PlatformPeim Ard Biesheuvel
2015-02-12 11:18 ` [PATCH v4 07/29] ArmVirtualizationPkg: use a HOB to store device tree blob Ard Biesheuvel
2015-02-12 11:19 ` [PATCH v4 08/29] ArmVirtualizationPkg: add padding to FDT allocation Ard Biesheuvel
2015-02-12 11:19 ` [PATCH v4 09/29] ArmVirtualizationPkg: add a relocatable version of PrePi Ard Biesheuvel
2015-02-12 11:19 ` [PATCH v4 10/29] ArmVirtualizationPkg: implement custom MemoryInitPeiLib Ard Biesheuvel
2015-02-12 11:19 ` [PATCH v4 11/29] ArmVirtualizationPkg: allow patchable PCD for FV and DT base addresses Ard Biesheuvel
2015-02-12 11:19 ` [PATCH v4 12/29] ArmVirtualizationPkg: Xen/PV relocatable platformlib instance Ard Biesheuvel
2015-02-12 11:19 ` [PATCH v4 13/29] MdePkg/BaseSynchronizationLib: Added proper support for ARM architecture Ard Biesheuvel
2015-02-12 11:19 ` [PATCH v4 14/29] MdePkg/BaseSynchronizationLib: implement 16-bit compare-exchange Ard Biesheuvel
2015-02-12 11:19 ` [PATCH v4 15/29] Ovmf/Xen: move Xen interface version to <xen.h> Ard Biesheuvel
2015-02-12 11:19 ` [PATCH v4 16/29] Ovmf/Xen: fix pointer to int cast in XenBusDxe Ard Biesheuvel
2015-02-12 11:19 ` [PATCH v4 17/29] Ovmf/Xen: refactor XenBusDxe hypercall implementation Ard Biesheuvel
2015-02-12 11:19 ` [PATCH v4 18/29] Ovmf/Xen: move XenBusDxe hypercall code to separate library Ard Biesheuvel
2015-02-12 11:19 ` [PATCH v4 19/29] Ovmf/Xen: introduce XENIO_PROTOCOL Ard Biesheuvel
2015-02-19 17:30   ` Anthony PERARD
2015-02-12 11:19 ` [PATCH v4 20/29] Ovmf/Xen: add separate driver for Xen PCI device Ard Biesheuvel
2015-02-12 11:19 ` Ard Biesheuvel [this message]
2015-02-12 11:19 ` [PATCH v4 22/29] Ovmf/Xen: implement XenHypercallLib for ARM Ard Biesheuvel
2015-02-12 11:19 ` [PATCH v4 23/29] Ovmf/Xen: port XenBusDxe to other architectures Ard Biesheuvel
2015-02-12 11:19 ` [PATCH v4 24/29] Ovmf/Xen: add Xen PV console SerialPortLib driver Ard Biesheuvel
2015-02-12 11:19 ` [PATCH v4 25/29] ArmVirtualizationPkg: implement dummy RealTimeClockLib for Xen Ard Biesheuvel
2015-02-12 11:19 ` [PATCH v4 26/29] Ovfm/Xen: add a Vendor Hardware device path GUID for the XenBus root Ard Biesheuvel
2015-02-12 11:19 ` [PATCH v4 27/29] ArmVirtualizationPkg: add XenIoMmioLib Ard Biesheuvel
2015-02-12 11:19 ` [PATCH v4 28/29] ArmVirtualizationPkg/VirtFdtDxe: wire up XenBusDxe to "xen, xen" DT node Ard Biesheuvel
2015-02-12 11:19 ` [PATCH v4 29/29] ArmVirtualizationPkg: add platform description for Xen guests Ard Biesheuvel
2015-02-12 21:18 ` [PATCH v4 00/29] Xen/ARM guest support Jordan Justen
     [not found] ` <20150212211855.11478.90744@jljusten-hsw>
2015-02-13  0:18   ` Ard Biesheuvel
     [not found] ` <1423739961-5945-15-git-send-email-ard.biesheuvel@linaro.org>
2015-02-17 17:40   ` [PATCH v4 14/29] MdePkg/BaseSynchronizationLib: implement 16-bit compare-exchange Jordan Justen
     [not found]   ` <20150217174047.8141.17529@jljusten-ivy>
2015-02-18  8:37     ` Ard Biesheuvel
     [not found]     ` <CAKv+Gu8M-V4Vgf2+sHLZS+n37Qbm+TxJpFpU27qDfHt=gR3+Bw@mail.gmail.com>
2015-02-23 20:33       ` Ard Biesheuvel
2015-02-25 21:56   ` Kinney, Michael D
     [not found]   ` <E92EE9817A31E24EB0585FDF735412F563081986@ORSMSX113.amr.corp.intel.com>
2015-02-25 22:19     ` Ard Biesheuvel
     [not found] ` <1423739961-5945-16-git-send-email-ard.biesheuvel@linaro.org>
2015-02-19 15:02   ` [PATCH v4 15/29] Ovmf/Xen: move Xen interface version to <xen.h> Anthony PERARD
     [not found] ` <1423739961-5945-17-git-send-email-ard.biesheuvel@linaro.org>
2015-02-19 15:31   ` [PATCH v4 16/29] Ovmf/Xen: fix pointer to int cast in XenBusDxe Anthony PERARD
     [not found] ` <1423739961-5945-18-git-send-email-ard.biesheuvel@linaro.org>
2015-02-19 16:05   ` [PATCH v4 17/29] Ovmf/Xen: refactor XenBusDxe hypercall implementation Anthony PERARD
     [not found] ` <1423739961-5945-19-git-send-email-ard.biesheuvel@linaro.org>
2015-02-19 17:25   ` [PATCH v4 18/29] Ovmf/Xen: move XenBusDxe hypercall code to separate library Anthony PERARD
     [not found] ` <1423739961-5945-21-git-send-email-ard.biesheuvel@linaro.org>
2015-02-19 18:43   ` [PATCH v4 20/29] Ovmf/Xen: add separate driver for Xen PCI device Anthony PERARD
     [not found] ` <1423739961-5945-22-git-send-email-ard.biesheuvel@linaro.org>
2015-02-20 14:10   ` [PATCH v4 21/29] Ovmf/Xen: move XenBusDxe to abstract XENIO_PROTOCOL Anthony PERARD
     [not found] ` <1423739961-5945-24-git-send-email-ard.biesheuvel@linaro.org>
2015-02-23 15:16   ` [PATCH v4 23/29] Ovmf/Xen: port XenBusDxe to other architectures Anthony PERARD
     [not found]   ` <20150223151617.GU1345@perard.uk.xensource.com>
2015-02-23 17:54     ` Ard Biesheuvel
     [not found]     ` <CAKv+Gu-EA3q4z89WxSZbQ9BUjFU9tnGEQRmEBxjzqM+-_bCuVw@mail.gmail.com>
2015-02-23 18:25       ` Anthony PERARD

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