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Commit 0937c48d authored by Sheng Yang's avatar Sheng Yang Committed by Avi Kivity
Browse files

KVM: Add fields for MSI device assignment 



Prepared for kvm_arch_assigned_device_msi_dispatch().

Signed-off-by: default avatarSheng Yang <sheng@linux.intel.com>
Signed-off-by: default avatarAvi Kivity <avi@redhat.com>
parent fbac7818

include/linux/kvm.h

+7 −0
Original line number Diff line number Diff line
@@ -507,10 +507,17 @@ struct kvm_assigned_irq { 
	__u32 guest_irq;

	__u32 flags;

	union {

		struct {

			__u32 addr_lo;

			__u32 addr_hi;

			__u32 data;

		} guest_msi;

		__u32 reserved[12];

	};

};



#define KVM_DEV_ASSIGN_ENABLE_IOMMU	(1 << 0)



#define KVM_DEV_IRQ_ASSIGN_ENABLE_MSI	(1 << 0)



#endif

include/linux/kvm_host.h

+4 −0
Original line number Diff line number Diff line
@@ -16,6 +16,7 @@ 
#include <linux/mm.h>

#include <linux/preempt.h>

#include <linux/marker.h>

#include <linux/msi.h>

#include <asm/signal.h>



#include <linux/kvm.h>
@@ -307,8 +308,11 @@ struct kvm_assigned_dev_kernel { 
	int host_devfn;

	int host_irq;

	int guest_irq;

	struct msi_msg guest_msi;

#define KVM_ASSIGNED_DEV_GUEST_INTX	(1 << 0)

#define KVM_ASSIGNED_DEV_GUEST_MSI	(1 << 1)

#define KVM_ASSIGNED_DEV_HOST_INTX	(1 << 8)

#define KVM_ASSIGNED_DEV_HOST_MSI	(1 << 9)

	unsigned long irq_requested_type;

	int irq_source_id;

	struct pci_dev *dev;