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audk/OvmfPkg/XenPvBlkDxe/XenPvBlkDxe.h

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OvmfPkg/XenPvBlkDxe: Xen PV Block device, initial skeleton A ParaVirtualize block driver. Change in V4: - Replace the license by the commonly used file header text. - Add brief description for the driver. Change in V3: - enable compilation for Ia32 and Ia32X64 - fix version (driver binding) Change in V2: - Add minimal support for controller name - Remove stuff about BlockIo2 - Little cleanup - Licenses and file headers - Rename XenbusIo into XenBusIo 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@16272 6f19259b-4bc3-4df7-8a09-765794883524
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/** @file
Main header for XenPvBlkDxe
Copyright (C) 2014, Citrix Ltd.
OvmfPkg: Replace BSD License with BSD+Patent License https://bugzilla.tianocore.org/show_bug.cgi?id=1373 Replace BSD 2-Clause License with BSD+Patent License. This change is based on the following emails: https://lists.01.org/pipermail/edk2-devel/2019-February/036260.html https://lists.01.org/pipermail/edk2-devel/2018-October/030385.html RFCs with detailed process for the license change: V3: https://lists.01.org/pipermail/edk2-devel/2019-March/038116.html V2: https://lists.01.org/pipermail/edk2-devel/2019-March/037669.html V1: https://lists.01.org/pipermail/edk2-devel/2019-March/037500.html Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com> Reviewed-by: Laszlo Ersek <lersek@redhat.com>
2019-04-04 01:06:33 +02:00
SPDX-License-Identifier: BSD-2-Clause-Patent
OvmfPkg/XenPvBlkDxe: Xen PV Block device, initial skeleton A ParaVirtualize block driver. Change in V4: - Replace the license by the commonly used file header text. - Add brief description for the driver. Change in V3: - enable compilation for Ia32 and Ia32X64 - fix version (driver binding) Change in V2: - Add minimal support for controller name - Remove stuff about BlockIo2 - Little cleanup - Licenses and file headers - Rename XenbusIo into XenBusIo 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@16272 6f19259b-4bc3-4df7-8a09-765794883524
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**/
#ifndef __EFI_XEN_PV_BLK_DXE_H__
#define __EFI_XEN_PV_BLK_DXE_H__
#include <Uefi.h>
#define xen_mb() MemoryFence()
#define xen_rmb() MemoryFence()
#define xen_wmb() MemoryFence()
//
// Libraries
//
#include <Library/UefiBootServicesTableLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/BaseLib.h>
#include <Library/UefiLib.h>
#include <Library/DevicePathLib.h>
#include <Library/DebugLib.h>
//
// UEFI Driver Model Protocols
//
#include <Protocol/DriverBinding.h>
#include <Protocol/ComponentName2.h>
#include <Protocol/ComponentName.h>
//
// Consumed Protocols
//
#include <Protocol/XenBus.h>
//
// Produced Protocols
//
#include <Protocol/BlockIo.h>
//
// Driver Version
//
#define XEN_PV_BLK_DXE_VERSION 0x00000010
//
// Protocol instances
//
extern EFI_DRIVER_BINDING_PROTOCOL gXenPvBlkDxeDriverBinding;
extern EFI_COMPONENT_NAME2_PROTOCOL gXenPvBlkDxeComponentName2;
extern EFI_COMPONENT_NAME_PROTOCOL gXenPvBlkDxeComponentName;
//
// Include files with function prototypes
//
#include "DriverBinding.h"
#include "ComponentName.h"
OvmfPkg/XenPvBlkDxe: Add BlockIo. Implement the BlockIo protocol. Change in V4: - Replace the license by the commonly used file header text. Change in V3: - assert(Media->BlockSize % 512 == 0) - Use Sector instead of Offset to issue IOs. Change in V2: - Remove blockIo2 headers. - Fix few comment. - file header, copyright - Rewrite few comment and error messages - No more callback - Improving block read/write, increase to the max size in one request (instead of only 8pages) - Fix lastblock when it's a cdrom - Do uninitialisation when fail to install fail - few comment - Licenses 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@16274 6f19259b-4bc3-4df7-8a09-765794883524
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#include "BlockIo.h"
OvmfPkg/XenPvBlkDxe: Xen PV Block device, initial skeleton A ParaVirtualize block driver. Change in V4: - Replace the license by the commonly used file header text. - Add brief description for the driver. Change in V3: - enable compilation for Ia32 and Ia32X64 - fix version (driver binding) Change in V2: - Add minimal support for controller name - Remove stuff about BlockIo2 - Little cleanup - Licenses and file headers - Rename XenbusIo into XenBusIo 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@16272 6f19259b-4bc3-4df7-8a09-765794883524
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#endif