3 commits

Author	SHA1	Message	Date
Zhang xiantao	371c01b28e	KVM: Device Assignment: Move vtd.c from arch/x86/kvm/ to virt/kvm/ ... Preparation for kvm/ia64 VT-d support. Signed-off-by: Zhang xiantao <xiantao.zhang@intel.com> Signed-off-by: Avi Kivity <avi@qumranet.com>	2008-10-15 14:25:32 +02:00
Weidong Han	e5fcfc821a	KVM: Device Assignment: Map mmio pages into VT-d page table ... Assigned device could DMA to mmio pages, so also need to map mmio pages into VT-d page table. Signed-off-by: Weidong Han <weidong.han@intel.com> Signed-off-by: Avi Kivity <avi@redhat.com>	2008-10-15 14:25:29 +02:00
Ben-Ami Yassour	62c476c7c7	KVM: Device Assignment with VT-d ... Based on a patch by: Kay, Allen M <allen.m.kay@intel.com> This patch enables PCI device assignment based on VT-d support. When a device is assigned to the guest, the guest memory is pinned and the mapping is updated in the VT-d IOMMU. [Amit: Expose KVM_CAP_IOMMU so we can check if an IOMMU is present and also control enable/disable from userspace] Signed-off-by: Kay, Allen M <allen.m.kay@intel.com> Signed-off-by: Weidong Han <weidong.han@intel.com> Signed-off-by: Ben-Ami Yassour <benami@il.ibm.com> Signed-off-by: Amit Shah <amit.shah@qumranet.com> Acked-by: Mark Gross <mgross@linux.intel.com> Signed-off-by: Avi Kivity <avi@qumranet.com>	2008-10-15 14:25:04 +02:00