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* OvmfPkg: Replace BSD License with BSD+Patent LicenseMichael D Kinney2019-04-091-7/+1
| | | | | | | | | | | | | | | | | | | | 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>
* OvmfPkg/VirtioNetDxe: map caller-supplied Tx packet to device-addressBrijesh Singh2017-09-141-7/+28
| | | | | | | | | | | | | | | | | | | | When device is behind the IOMMU, driver is require to pass the device address of caller-supplied transmit buffer for the bus master operations. The patch uses VirtioNetMapTxBuf() to map caller-supplied Tx packet to a device-address and enqueue the device address in VRING for transfer and perform the reverse mapping when transfer is completed so that we can return the caller-supplied buffer. Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org> Cc: Jordan Justen <jordan.l.justen@intel.com> Cc: Tom Lendacky <thomas.lendacky@amd.com> Cc: Laszlo Ersek <lersek@redhat.com> Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Brijesh Singh <brijesh.singh@amd.com> Reviewed-by: Laszlo Ersek <lersek@redhat.com> Regression-tested-by: Laszlo Ersek <lersek@redhat.com> Tested-by: Laszlo Ersek <lersek@redhat.com>
* OvmfPkg: Fix VS2005 build warningsJordan Justen2014-09-251-2/+3
| | | | | | | | Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Jordan Justen <jordan.l.justen@intel.com> Reviewed-by: Liming Gao <liming.gao@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16171 6f19259b-4bc3-4df7-8a09-765794883524
* OvmfPkg: Make the VirtIo devices use the new VIRTIO_DEVICE_PROTOCOLOlivier Martin2013-12-111-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This change replaces the accesses to the PCI bus from the Block, Scsi and Net drivers by the use of the new VIRTIO_DEVICE_PROTOCOL protocol that abstracts the transport layer. It means these drivers can be used on PCI and MMIO transport layer. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Olivier Martin <olivier.martin@arm.com> v5: - VirtioFlush(): update comment block in VirtioLib.[hc]; error code is propagated from VirtIo->SetQueueNotify(). - VirtioBlkInit(): jump to Failed label if SetPageSize() fails - VirtioBlkInit(): fixup comment, and add error handling, near SetQueueNum() call - VirtioBlkDriverBindingStart(): remove redundant (always false) check for a subsystem device ID different from VIRTIO_SUBSYSTEM_BLOCK_DEVICE; VirtioBlkDriverBindingSupported() handles it already - VirtioNetGetFeatures(): update stale comment block - VirtioNetGetFeatures(): retrieve MAC address byte for byte (open-coded loop) - VirtioNetDriverBindingStart(): remove redundant (always false) check for a subsystem device ID different from VIRTIO_SUBSYSTEM_NETWORK_CARD; VirtioNetDriverBindingSupported() handles it already - VirtioNetInitRing(): call SetQueueNum() and SetQueueAlign() for proper MMIO operation - VirtioNetInitialize(): fix destination error label for when SetPageSize() fails - VirtioScsi.c: fix comment block of VIRTIO_CFG_WRITE()/VIRTIO_CFG_READ() - VirtioScsiInit(): fix destination error label for when SetPageSize() fails - VirtioScsiInit(): call SetQueueNum() and SetQueueAlign() for proper MMIO operation Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Jordan Justen <jordan.l.justen@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14966 6f19259b-4bc3-4df7-8a09-765794883524
* OvmfPkg: Virtio: load used ring element strictly after loading used indexLaszlo Ersek2013-08-231-0/+1
| | | | | | | | | | | | | | | | | | Enforce in-order execution of these steps even on not sequentially consistent architectures, as discussed in [1]. These changes should be unnecessary on x86 (the only architecture OVMF currently supports), but they align the OVMF virtio code with the virtio specification and could be necessary for future OVMF ports. [1] http://lists.linuxfoundation.org/pipermail/virtualization/2013-June/024547.html Suggested-by: Stefan Hajnoczi <stefanha@redhat.com> Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Jordan Justen <jordan.l.justen@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14601 6f19259b-4bc3-4df7-8a09-765794883524
* OvmfPkg/VirtioNetDxe: Fix build errors on VS2012 (IA32 & X64)Jordan Justen2013-06-141-3/+3
| | | | | | | | | | | These changes were needed in addition to the silence.patch that Laszlo posted on May 28. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Jordan Justen <jordan.l.justen@intel.com> Signed-off-by: Laszlo Ersek <lersek@redhat.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14420 6f19259b-4bc3-4df7-8a09-765794883524
* OvmfPkg: VirtioNetDxe: implement Tx: SNP.Transmit and SNP.GetStatusLaszlo Ersek2013-06-141-0/+158
Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Jordan Justen <jordan.l.justen@intel.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14413 6f19259b-4bc3-4df7-8a09-765794883524
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