a9090a94bb
XenStore is a key/value database, which is running on another virtual machine. It can be accessed through shared memory. This is a client implementation. Change in V3: - moving xs_wire.h from patch #1 to this patch - fix return value of XenStoreListDirectory - Use a timeout to print a debug message if the other side of the xenstore ring does not notify through the event channel. This is done with the new XenStoreWaitForEvent function. - Have XenStoreReadReply check status of XenStoreProcessMessage and return an error if needed. - Have XenStoreTalkv return the status of XenStoreReadReply. - Have a loop to check for the quiescent of the response ring in the XenStoreInitComms function. (with a timeout of 5 seconds) - use the recently introduced XenStore 'closing' feature. Change in V2: - Change comment style, from freebsd to ovmf - Fix type of EventChannel - Fix debug print, no more cast - Implement XenStoreDeinit. - Clean up comments - Fix few codding style issue - Add FAIL xenstore status value. Origin: FreeBSD 10.0 License: This patch adds several files under the MIT licence. 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> Acked-by: Jordan Justen <jordan.l.justen@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16267 6f19259b-4bc3-4df7-8a09-765794883524
87 lines
2.0 KiB
INI
87 lines
2.0 KiB
INI
## @file
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# This driver produces a XenBus protocol for every Xen PV devices found.
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#
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# Copyright (C) 2014, Citrix Ltd.
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#
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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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#
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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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##
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[Defines]
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INF_VERSION = 0x00010005
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BASE_NAME = XenBusDxe
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FILE_GUID = 565ec8ba-a484-11e3-802b-b8ac6f7d65e6
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MODULE_TYPE = UEFI_DRIVER
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VERSION_STRING = 1.0
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ENTRY_POINT = XenBusDxeDriverEntryPoint
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UNLOAD_IMAGE = XenBusDxeUnload
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[Packages]
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MdePkg/MdePkg.dec
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OvmfPkg/OvmfPkg.dec
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[Sources]
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XenBusDxe.h
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XenBusDxe.c
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DriverBinding.h
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ComponentName.c
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ComponentName.h
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XenHypercall.c
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XenHypercall.h
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InterlockedCompareExchange16.c
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InterlockedCompareExchange16.h
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GrantTable.c
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GrantTable.h
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EventChannel.c
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EventChannel.h
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XenStore.c
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XenStore.h
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[Sources.IA32]
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Ia32/hypercall.S
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Ia32/hypercall.asm
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Ia32/InterlockedCompareExchange16.S
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Ia32/InterlockedCompareExchange16.asm
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Ia32/TestAndClearBit.S
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Ia32/TestAndClearBit.asm
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[Sources.X64]
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X64/hypercall.S
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X64/hypercall.asm
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X64/InterlockedCompareExchange16.S
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X64/InterlockedCompareExchange16.asm
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X64/TestAndClearBit.S
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X64/TestAndClearBit.asm
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[LibraryClasses]
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UefiDriverEntryPoint
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UefiBootServicesTableLib
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MemoryAllocationLib
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BaseMemoryLib
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BaseLib
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UefiLib
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DevicePathLib
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DebugLib
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HobLib
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[Protocols]
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gEfiDriverBindingProtocolGuid
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gEfiPciIoProtocolGuid
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gEfiComponentName2ProtocolGuid
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gEfiComponentNameProtocolGuid
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gXenBusProtocolGuid
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[Guids]
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gEfiXenInfoGuid
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