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authorBen-Ami Yassour <benami@il.ibm.com>2008-09-14 03:48:28 +0300
committerAvi Kivity <avi@redhat.com>2008-10-15 14:25:04 +0200
commit62c476c7c7f25a5b245b9902a935636e6316e58c (patch)
tree6584591c7c345fcbb3c6d437203dc7f4a628573a /include/asm-x86
parent387179464257921eb9aa3d15cc3ff194f6945a7c (diff)
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>
Diffstat (limited to 'include/asm-x86')
-rw-r--r--include/asm-x86/kvm_host.h23
1 files changed, 3 insertions, 20 deletions
diff --git a/include/asm-x86/kvm_host.h b/include/asm-x86/kvm_host.h
index 68a3ac13afce..805629c0f15f 100644
--- a/include/asm-x86/kvm_host.h
+++ b/include/asm-x86/kvm_host.h
@@ -331,26 +331,6 @@ struct kvm_mem_alias {
gfn_t target_gfn;
};
-struct kvm_irq_ack_notifier {
- struct hlist_node link;
- unsigned gsi;
- void (*irq_acked)(struct kvm_irq_ack_notifier *kian);
-};
-
-struct kvm_assigned_dev_kernel {
- struct kvm_irq_ack_notifier ack_notifier;
- struct work_struct interrupt_work;
- struct list_head list;
- int assigned_dev_id;
- int host_busnr;
- int host_devfn;
- int host_irq;
- int guest_irq;
- int irq_requested;
- struct pci_dev *dev;
- struct kvm *kvm;
-};
-
struct kvm_arch{
int naliases;
struct kvm_mem_alias aliases[KVM_ALIAS_SLOTS];
@@ -364,6 +344,7 @@ struct kvm_arch{
*/
struct list_head active_mmu_pages;
struct list_head assigned_dev_head;
+ struct dmar_domain *intel_iommu_domain;
struct kvm_pic *vpic;
struct kvm_ioapic *vioapic;
struct kvm_pit *vpit;
@@ -514,6 +495,8 @@ int emulator_write_phys(struct kvm_vcpu *vcpu, gpa_t gpa,
int kvm_pv_mmu_op(struct kvm_vcpu *vcpu, unsigned long bytes,
gpa_t addr, unsigned long *ret);
+int is_mmio_pfn(pfn_t pfn);
+
extern bool tdp_enabled;
enum emulation_result {