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KVM: Add fields for MSI device assignment

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Prepared for kvm_arch_assigned_device_msi_dispatch().

Signed-off-by: Sheng Yang <sheng@linux.intel.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Sheng Yang 2008-11-24 14:32:53 +08:00 committed by Avi Kivity
parent fbac7818d8
commit 0937c48d07
2 changed files with 11 additions and 0 deletions
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7
include/linux/kvm.h
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@ -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

4
include/linux/kvm_host.h
View File

@ -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;