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-rw-r--r--include/linux/kvm_host.h42
1 files changed, 31 insertions, 11 deletions
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index bb92be2153bc..ec49d0be7f52 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -16,6 +16,7 @@
16#include <linux/mm.h> 16#include <linux/mm.h>
17#include <linux/preempt.h> 17#include <linux/preempt.h>
18#include <linux/marker.h> 18#include <linux/marker.h>
19#include <linux/msi.h>
19#include <asm/signal.h> 20#include <asm/signal.h>
20 21
21#include <linux/kvm.h> 22#include <linux/kvm.h>
@@ -306,9 +307,16 @@ struct kvm_assigned_dev_kernel {
306 int host_busnr; 307 int host_busnr;
307 int host_devfn; 308 int host_devfn;
308 int host_irq; 309 int host_irq;
310 bool host_irq_disabled;
309 int guest_irq; 311 int guest_irq;
310 int irq_requested; 312 struct msi_msg guest_msi;
313#define KVM_ASSIGNED_DEV_GUEST_INTX (1 << 0)
314#define KVM_ASSIGNED_DEV_GUEST_MSI (1 << 1)
315#define KVM_ASSIGNED_DEV_HOST_INTX (1 << 8)
316#define KVM_ASSIGNED_DEV_HOST_MSI (1 << 9)
317 unsigned long irq_requested_type;
311 int irq_source_id; 318 int irq_source_id;
319 int flags;
312 struct pci_dev *dev; 320 struct pci_dev *dev;
313 struct kvm *kvm; 321 struct kvm *kvm;
314}; 322};
@@ -316,18 +324,20 @@ void kvm_set_irq(struct kvm *kvm, int irq_source_id, int irq, int level);
316void kvm_notify_acked_irq(struct kvm *kvm, unsigned gsi); 324void kvm_notify_acked_irq(struct kvm *kvm, unsigned gsi);
317void kvm_register_irq_ack_notifier(struct kvm *kvm, 325void kvm_register_irq_ack_notifier(struct kvm *kvm,
318 struct kvm_irq_ack_notifier *kian); 326 struct kvm_irq_ack_notifier *kian);
319void kvm_unregister_irq_ack_notifier(struct kvm *kvm, 327void kvm_unregister_irq_ack_notifier(struct kvm_irq_ack_notifier *kian);
320 struct kvm_irq_ack_notifier *kian);
321int kvm_request_irq_source_id(struct kvm *kvm); 328int kvm_request_irq_source_id(struct kvm *kvm);
322void kvm_free_irq_source_id(struct kvm *kvm, int irq_source_id); 329void kvm_free_irq_source_id(struct kvm *kvm, int irq_source_id);
323 330
324#ifdef CONFIG_DMAR 331#ifdef CONFIG_IOMMU_API
325int kvm_iommu_map_pages(struct kvm *kvm, gfn_t base_gfn, 332int kvm_iommu_map_pages(struct kvm *kvm, gfn_t base_gfn,
326 unsigned long npages); 333 unsigned long npages);
327int kvm_iommu_map_guest(struct kvm *kvm, 334int kvm_iommu_map_guest(struct kvm *kvm);
328 struct kvm_assigned_dev_kernel *assigned_dev);
329int kvm_iommu_unmap_guest(struct kvm *kvm); 335int kvm_iommu_unmap_guest(struct kvm *kvm);
330#else /* CONFIG_DMAR */ 336int kvm_assign_device(struct kvm *kvm,
337 struct kvm_assigned_dev_kernel *assigned_dev);
338int kvm_deassign_device(struct kvm *kvm,
339 struct kvm_assigned_dev_kernel *assigned_dev);
340#else /* CONFIG_IOMMU_API */
331static inline int kvm_iommu_map_pages(struct kvm *kvm, 341static inline int kvm_iommu_map_pages(struct kvm *kvm,
332 gfn_t base_gfn, 342 gfn_t base_gfn,
333 unsigned long npages) 343 unsigned long npages)
@@ -335,9 +345,7 @@ static inline int kvm_iommu_map_pages(struct kvm *kvm,
335 return 0; 345 return 0;
336} 346}
337 347
338static inline int kvm_iommu_map_guest(struct kvm *kvm, 348static inline int kvm_iommu_map_guest(struct kvm *kvm)
339 struct kvm_assigned_dev_kernel
340 *assigned_dev)
341{ 349{
342 return -ENODEV; 350 return -ENODEV;
343} 351}
@@ -346,7 +354,19 @@ static inline int kvm_iommu_unmap_guest(struct kvm *kvm)
346{ 354{
347 return 0; 355 return 0;
348} 356}
349#endif /* CONFIG_DMAR */ 357
358static inline int kvm_assign_device(struct kvm *kvm,
359 struct kvm_assigned_dev_kernel *assigned_dev)
360{
361 return 0;
362}
363
364static inline int kvm_deassign_device(struct kvm *kvm,
365 struct kvm_assigned_dev_kernel *assigned_dev)
366{
367 return 0;
368}
369#endif /* CONFIG_IOMMU_API */
350 370
351static inline void kvm_guest_enter(void) 371static inline void kvm_guest_enter(void)
352{ 372{