12a16f2d1c
This protocol will be used for communication between a PV driver (like a PV block driver) and the XenBus/XenStore. Change in V5: - Replace the license by the commonly used file header text. Change in V3: - Add disclaimer about the volatile nature of the protocol. - Add a description on the two introduced members to the protocol. Change in V2: - Comment, file header - Protocol License - Declare xen interface version earlier - Rename protocol from Xenbus to XenBus Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Anthony PERARD <anthony.perard@citrix.com> Reviewed-by: Jordan Justen <jordan.l.justen@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16262 6f19259b-4bc3-4df7-8a09-765794883524
101 lines
2.2 KiB
C
101 lines
2.2 KiB
C
/** @file
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Function declaration and internal data for XenBusDxe.
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Copyright (C) 2014, Citrix Ltd.
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#ifndef __EFI_XENBUS_DXE_H__
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#define __EFI_XENBUS_DXE_H__
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#include <Uefi.h>
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//
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// Xen interface version used
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//
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#define __XEN_INTERFACE_VERSION__ 0x00040400
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//
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// Libraries
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//
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#include <Library/UefiBootServicesTableLib.h>
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#include <Library/MemoryAllocationLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/BaseLib.h>
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#include <Library/UefiLib.h>
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#include <Library/DevicePathLib.h>
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#include <Library/DebugLib.h>
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//
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// UEFI Driver Model Protocols
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//
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#include <Protocol/DriverBinding.h>
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//
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// Consumed Protocols
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//
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#include <Protocol/PciIo.h>
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//
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// Produced Protocols
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//
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#include <Protocol/XenBus.h>
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//
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// Driver Version
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//
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#define XENBUS_DXE_VERSION 0x00000010
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//
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// Protocol instances
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//
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extern EFI_DRIVER_BINDING_PROTOCOL gXenBusDxeDriverBinding;
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extern EFI_COMPONENT_NAME2_PROTOCOL gXenBusDxeComponentName2;
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extern EFI_COMPONENT_NAME_PROTOCOL gXenBusDxeComponentName;
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//
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// Include files with function prototypes
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//
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#include "DriverBinding.h"
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#include "ComponentName.h"
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//
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// Other stuff
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//
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#include <IndustryStandard/Xen/xen.h>
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#define PCI_VENDOR_ID_XEN 0x5853
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#define PCI_DEVICE_ID_XEN_PLATFORM 0x0001
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typedef struct _XENBUS_DEVICE XENBUS_DEVICE;
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// Have the state of the driver.
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#define XENBUS_DEVICE_SIGNATURE SIGNATURE_32 ('X','B','s','t')
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struct _XENBUS_DEVICE {
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UINT32 Signature;
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EFI_DRIVER_BINDING_PROTOCOL *This;
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EFI_HANDLE ControllerHandle;
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EFI_PCI_IO_PROTOCOL *PciIo;
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EFI_EVENT ExitBootEvent;
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VOID *Hyperpage;
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shared_info_t *SharedInfo;
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};
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#endif
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