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[Xen-devel] [PATCH v3 00/19] Introducing Xen PV block driver to OVMF

To: EDK2 devel <edk2-devel@xxxxxxxxxxxxxxxxxxxxx>
From: Anthony PERARD <anthony.perard@xxxxxxxxxx>
Date: Fri, 17 Oct 2014 18:03:43 +0100
Cc: Anthony PERARD <anthony.perard@xxxxxxxxxx>, Xen Devel <xen-devel@xxxxxxxxxxxxx>
Delivery-date: Fri, 17 Oct 2014 17:05:24 +0000
List-id: Xen developer discussion <xen-devel.lists.xen.org>

Hi all,

This patch series is implementing the necessary in order to access a PV block
device. For that, one need a XenStore client, a XenBus client, and the PV block
driver.

There are two new drivers, XenbusDxe and XenPvBlkDxe. The first one implement a
bus drivers, and the second is a block drivers.

The GUID for the drivers XenBusDxe and XenPvBlkDxe and for the protocol XenBus
have been genereted using the UefiDriverWizard.

* What's new in V3?

- 32bit support:
It's done by adding a few #ifdef __i386__; #pragma pack(4); when necessary in
the Xen headers. More detail about this in the description of the patch
"OvmfPkg: Add public headers from Xen Project".

- Licenses:
The MIT licence is added to the OvmfPkg/Licence.txt file, with a mentions of
which directories might use them. This is the first patch, "OvmfPkg: Add the
MIT license to License.txt".

Other changes have been listed after a '---' line in every patches.

Anthony PERARD (19):
  OvmfPkg: Add the MIT license to License.txt.
  OvmfPkg: Add public headers from Xen Project.
  OvmfPkg: Add basic skeleton for the XenBus bus driver.
  OvmfPkg/XenBusDxe: Add device state struct and create an ExitBoot
    services event.
  OvmfPkg/XenBusDxe: Add support to make Xen Hypercalls.
  OvmfPkg/XenBusDxe: Open PciIo protocol.
  OvmfPkg: Introduce XenBus Protocol.
  OvmfPkg/XenBusDxe: Add InterlockedCompareExchange16.
  OvmfPkg/XenBusDxe: Add Grant Table functions.
  OvmfPkg/XenBusDxe: Add Event Channel Notify.
  OvmfPkg/XenBusDxe: Add TestAndClearBit.
  OvmfPkg/XenBusDxe: Add XenStore client implementation
  OvmfPkg/XenBusDxe: Add an helper AsciiStrDup.
  OvmfPkg/XenBusDxe: Add XenStore function into the XenBus protocol
  OvmfPkg/XenBusDxe: Indroduce XenBus support itself.
  OvmfPkg/XenBusDxe: Add Event Channel into XenBus protocol.
  OvmfPkg/XenPvBlkDxe: Xen PV Block device, initial skeleton
  OvmfPkg/XenPvBlkDxe: Add BlockFront client.
  OvmfPkg/XenPvBlkDxe: Add BlockIo.

 .../IndustryStandard/Xen/arch-x86/xen-x86_32.h     |   59 +
 .../IndustryStandard/Xen/arch-x86/xen-x86_64.h     |   59 +
 .../Include/IndustryStandard/Xen/arch-x86/xen.h    |  112 ++
 .../Include/IndustryStandard/Xen/event_channel.h   |  118 ++
 OvmfPkg/Include/IndustryStandard/Xen/grant_table.h |  444 ++++++
 OvmfPkg/Include/IndustryStandard/Xen/hvm/hvm_op.h  |   37 +
 OvmfPkg/Include/IndustryStandard/Xen/hvm/params.h  |  150 ++
 OvmfPkg/Include/IndustryStandard/Xen/io/blkif.h    |  619 ++++++++
 .../Include/IndustryStandard/Xen/io/protocols.h    |   40 +
 OvmfPkg/Include/IndustryStandard/Xen/io/ring.h     |  312 ++++
 OvmfPkg/Include/IndustryStandard/Xen/io/xenbus.h   |   80 +
 OvmfPkg/Include/IndustryStandard/Xen/io/xs_wire.h  |  149 ++
 OvmfPkg/Include/IndustryStandard/Xen/memory.h      |   94 ++
 OvmfPkg/Include/IndustryStandard/Xen/xen-compat.h  |   44 +
 OvmfPkg/Include/IndustryStandard/Xen/xen.h         |  341 +++++
 OvmfPkg/Include/Protocol/XenBus.h                  |  432 ++++++
 OvmfPkg/License.txt                                |   25 +
 OvmfPkg/OvmfPkg.dec                                |    1 +
 OvmfPkg/OvmfPkgIa32.dsc                            |    2 +
 OvmfPkg/OvmfPkgIa32.fdf                            |    2 +
 OvmfPkg/OvmfPkgIa32X64.dsc                         |    2 +
 OvmfPkg/OvmfPkgIa32X64.fdf                         |    2 +
 OvmfPkg/OvmfPkgX64.dsc                             |    2 +
 OvmfPkg/OvmfPkgX64.fdf                             |    2 +
 OvmfPkg/XenBusDxe/ComponentName.c                  |  190 +++
 OvmfPkg/XenBusDxe/ComponentName.h                  |  110 ++
 OvmfPkg/XenBusDxe/DriverBinding.h                  |  144 ++
 OvmfPkg/XenBusDxe/EventChannel.c                   |  104 ++
 OvmfPkg/XenBusDxe/EventChannel.h                   |  104 ++
 OvmfPkg/XenBusDxe/GrantTable.c                     |  217 +++
 OvmfPkg/XenBusDxe/GrantTable.h                     |   68 +
 OvmfPkg/XenBusDxe/Helpers.c                        |    9 +
 .../XenBusDxe/Ia32/InterlockedCompareExchange16.S  |   15 +
 .../Ia32/InterlockedCompareExchange16.asm          |   45 +
 OvmfPkg/XenBusDxe/Ia32/TestAndClearBit.S           |   13 +
 OvmfPkg/XenBusDxe/Ia32/TestAndClearBit.asm         |   17 +
 OvmfPkg/XenBusDxe/Ia32/hypercall.S                 |   22 +
 OvmfPkg/XenBusDxe/Ia32/hypercall.asm               |   26 +
 OvmfPkg/XenBusDxe/InterlockedCompareExchange16.c   |   33 +
 OvmfPkg/XenBusDxe/InterlockedCompareExchange16.h   |   38 +
 .../XenBusDxe/X64/InterlockedCompareExchange16.S   |   13 +
 .../XenBusDxe/X64/InterlockedCompareExchange16.asm |   41 +
 OvmfPkg/XenBusDxe/X64/TestAndClearBit.S            |   12 +
 OvmfPkg/XenBusDxe/X64/TestAndClearBit.asm          |   16 +
 OvmfPkg/XenBusDxe/X64/hypercall.S                  |   22 +
 OvmfPkg/XenBusDxe/X64/hypercall.asm                |   26 +
 OvmfPkg/XenBusDxe/XenBus.c                         |  375 +++++
 OvmfPkg/XenBusDxe/XenBus.h                         |   64 +
 OvmfPkg/XenBusDxe/XenBusDxe.c                      |  497 +++++++
 OvmfPkg/XenBusDxe/XenBusDxe.h                      |  159 ++
 OvmfPkg/XenBusDxe/XenBusDxe.inf                    |   86 ++
 OvmfPkg/XenBusDxe/XenHypercall.c                   |  134 ++
 OvmfPkg/XenBusDxe/XenHypercall.h                   |  100 ++
 OvmfPkg/XenBusDxe/XenStore.c                       | 1550 ++++++++++++++++++++
 OvmfPkg/XenBusDxe/XenStore.h                       |  379 +++++
 OvmfPkg/XenPvBlkDxe/BlockFront.c                   |  647 ++++++++
 OvmfPkg/XenPvBlkDxe/BlockFront.h                   |   87 ++
 OvmfPkg/XenPvBlkDxe/BlockIo.c                      |  290 ++++
 OvmfPkg/XenPvBlkDxe/BlockIo.h                      |  124 ++
 OvmfPkg/XenPvBlkDxe/ComponentName.c                |  192 +++
 OvmfPkg/XenPvBlkDxe/ComponentName.h                |  110 ++
 OvmfPkg/XenPvBlkDxe/DriverBinding.h                |  159 ++
 OvmfPkg/XenPvBlkDxe/XenPvBlkDxe.c                  |  410 ++++++
 OvmfPkg/XenPvBlkDxe/XenPvBlkDxe.h                  |   99 ++
 OvmfPkg/XenPvBlkDxe/XenPvBlkDxe.inf                |   80 +
 65 files changed, 9955 insertions(+)
 create mode 100644 OvmfPkg/Include/IndustryStandard/Xen/arch-x86/xen-x86_32.h
 create mode 100644 OvmfPkg/Include/IndustryStandard/Xen/arch-x86/xen-x86_64.h
 create mode 100644 OvmfPkg/Include/IndustryStandard/Xen/arch-x86/xen.h
 create mode 100644 OvmfPkg/Include/IndustryStandard/Xen/event_channel.h
 create mode 100644 OvmfPkg/Include/IndustryStandard/Xen/grant_table.h
 create mode 100644 OvmfPkg/Include/IndustryStandard/Xen/hvm/hvm_op.h
 create mode 100644 OvmfPkg/Include/IndustryStandard/Xen/hvm/params.h
 create mode 100644 OvmfPkg/Include/IndustryStandard/Xen/io/blkif.h
 create mode 100644 OvmfPkg/Include/IndustryStandard/Xen/io/protocols.h
 create mode 100644 OvmfPkg/Include/IndustryStandard/Xen/io/ring.h
 create mode 100644 OvmfPkg/Include/IndustryStandard/Xen/io/xenbus.h
 create mode 100644 OvmfPkg/Include/IndustryStandard/Xen/io/xs_wire.h
 create mode 100644 OvmfPkg/Include/IndustryStandard/Xen/memory.h
 create mode 100644 OvmfPkg/Include/IndustryStandard/Xen/xen-compat.h
 create mode 100644 OvmfPkg/Include/IndustryStandard/Xen/xen.h
 create mode 100644 OvmfPkg/Include/Protocol/XenBus.h
 create mode 100644 OvmfPkg/XenBusDxe/ComponentName.c
 create mode 100644 OvmfPkg/XenBusDxe/ComponentName.h
 create mode 100644 OvmfPkg/XenBusDxe/DriverBinding.h
 create mode 100644 OvmfPkg/XenBusDxe/EventChannel.c
 create mode 100644 OvmfPkg/XenBusDxe/EventChannel.h
 create mode 100644 OvmfPkg/XenBusDxe/GrantTable.c
 create mode 100644 OvmfPkg/XenBusDxe/GrantTable.h
 create mode 100644 OvmfPkg/XenBusDxe/Helpers.c
 create mode 100644 OvmfPkg/XenBusDxe/Ia32/InterlockedCompareExchange16.S
 create mode 100644 OvmfPkg/XenBusDxe/Ia32/InterlockedCompareExchange16.asm
 create mode 100644 OvmfPkg/XenBusDxe/Ia32/TestAndClearBit.S
 create mode 100644 OvmfPkg/XenBusDxe/Ia32/TestAndClearBit.asm
 create mode 100644 OvmfPkg/XenBusDxe/Ia32/hypercall.S
 create mode 100644 OvmfPkg/XenBusDxe/Ia32/hypercall.asm
 create mode 100644 OvmfPkg/XenBusDxe/InterlockedCompareExchange16.c
 create mode 100644 OvmfPkg/XenBusDxe/InterlockedCompareExchange16.h
 create mode 100644 OvmfPkg/XenBusDxe/X64/InterlockedCompareExchange16.S
 create mode 100644 OvmfPkg/XenBusDxe/X64/InterlockedCompareExchange16.asm
 create mode 100644 OvmfPkg/XenBusDxe/X64/TestAndClearBit.S
 create mode 100644 OvmfPkg/XenBusDxe/X64/TestAndClearBit.asm
 create mode 100644 OvmfPkg/XenBusDxe/X64/hypercall.S
 create mode 100644 OvmfPkg/XenBusDxe/X64/hypercall.asm
 create mode 100644 OvmfPkg/XenBusDxe/XenBus.c
 create mode 100644 OvmfPkg/XenBusDxe/XenBus.h
 create mode 100644 OvmfPkg/XenBusDxe/XenBusDxe.c
 create mode 100644 OvmfPkg/XenBusDxe/XenBusDxe.h
 create mode 100644 OvmfPkg/XenBusDxe/XenBusDxe.inf
 create mode 100644 OvmfPkg/XenBusDxe/XenHypercall.c
 create mode 100644 OvmfPkg/XenBusDxe/XenHypercall.h
 create mode 100644 OvmfPkg/XenBusDxe/XenStore.c
 create mode 100644 OvmfPkg/XenBusDxe/XenStore.h
 create mode 100644 OvmfPkg/XenPvBlkDxe/BlockFront.c
 create mode 100644 OvmfPkg/XenPvBlkDxe/BlockFront.h
 create mode 100644 OvmfPkg/XenPvBlkDxe/BlockIo.c
 create mode 100644 OvmfPkg/XenPvBlkDxe/BlockIo.h
 create mode 100644 OvmfPkg/XenPvBlkDxe/ComponentName.c
 create mode 100644 OvmfPkg/XenPvBlkDxe/ComponentName.h
 create mode 100644 OvmfPkg/XenPvBlkDxe/DriverBinding.h
 create mode 100644 OvmfPkg/XenPvBlkDxe/XenPvBlkDxe.c
 create mode 100644 OvmfPkg/XenPvBlkDxe/XenPvBlkDxe.h
 create mode 100644 OvmfPkg/XenPvBlkDxe/XenPvBlkDxe.inf

-- 
Anthony PERARD


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Follow-Ups:
- [Xen-devel] [PATCH v3 14/19] OvmfPkg/XenBusDxe: Add XenStore function into the XenBus protocol
  - From: Anthony PERARD
- [Xen-devel] [PATCH v3 10/19] OvmfPkg/XenBusDxe: Add Event Channel Notify.
  - From: Anthony PERARD
- [Xen-devel] [PATCH v3 13/19] OvmfPkg/XenBusDxe: Add an helper AsciiStrDup.
  - From: Anthony PERARD
- [Xen-devel] [PATCH v3 16/19] OvmfPkg/XenBusDxe: Add Event Channel into XenBus protocol.
  - From: Anthony PERARD
- [Xen-devel] [PATCH v3 15/19] OvmfPkg/XenBusDxe: Indroduce XenBus support itself.
  - From: Anthony PERARD
- [Xen-devel] [PATCH v3 19/19] OvmfPkg/XenPvBlkDxe: Add BlockIo.
  - From: Anthony PERARD
- [Xen-devel] [PATCH v3 17/19] OvmfPkg/XenPvBlkDxe: Xen PV Block device, initial skeleton
  - From: Anthony PERARD
- [Xen-devel] [PATCH v3 12/19] OvmfPkg/XenBusDxe: Add XenStore client implementation
  - From: Anthony PERARD
- [Xen-devel] [PATCH v3 11/19] OvmfPkg/XenBusDxe: Add TestAndClearBit.
  - From: Anthony PERARD
- [Xen-devel] [PATCH v3 18/19] OvmfPkg/XenPvBlkDxe: Add BlockFront client.
  - From: Anthony PERARD
- [Xen-devel] [PATCH v3 02/19] OvmfPkg: Add public headers from Xen Project.
  - From: Anthony PERARD
- [Xen-devel] [PATCH v3 07/19] OvmfPkg: Introduce XenBus Protocol.
  - From: Anthony PERARD
- [Xen-devel] [PATCH v3 03/19] OvmfPkg: Add basic skeleton for the XenBus bus driver.
  - From: Anthony PERARD
- [Xen-devel] [PATCH v3 05/19] OvmfPkg/XenBusDxe: Add support to make Xen Hypercalls.
  - From: Anthony PERARD
- [Xen-devel] [PATCH v3 04/19] OvmfPkg/XenBusDxe: Add device state struct and create an ExitBoot services event.
  - From: Anthony PERARD
- [Xen-devel] [PATCH v3 01/19] OvmfPkg: Add the MIT license to License.txt.
  - From: Anthony PERARD

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