qemu/target-i386/kvm_i386.h
Jan Kiszka b139bd300f kvm: i386: Add services required for PCI device assignment
These helpers abstract the interaction of upcoming pci-assign with the
KVM kernel services. Put them under i386 only as other archs will
implement device pass-through via VFIO and not this classic interface.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Acked-by: Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
2012-09-10 15:29:59 +03:00

39 lines
1.3 KiB
C

/*
* QEMU KVM support -- x86 specific functions.
*
* Copyright (c) 2012 Linaro Limited
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*
*/
#ifndef QEMU_KVM_I386_H
#define QEMU_KVM_I386_H
#include "kvm.h"
bool kvm_allows_irq0_override(void);
int kvm_device_pci_assign(KVMState *s, PCIHostDeviceAddress *dev_addr,
uint32_t flags, uint32_t *dev_id);
int kvm_device_pci_deassign(KVMState *s, uint32_t dev_id);
int kvm_device_intx_assign(KVMState *s, uint32_t dev_id,
bool use_host_msi, uint32_t guest_irq);
int kvm_device_intx_set_mask(KVMState *s, uint32_t dev_id, bool masked);
int kvm_device_intx_deassign(KVMState *s, uint32_t dev_id, bool use_host_msi);
int kvm_device_msi_assign(KVMState *s, uint32_t dev_id, int virq);
int kvm_device_msi_deassign(KVMState *s, uint32_t dev_id);
bool kvm_device_msix_supported(KVMState *s);
int kvm_device_msix_init_vectors(KVMState *s, uint32_t dev_id,
uint32_t nr_vectors);
int kvm_device_msix_set_vector(KVMState *s, uint32_t dev_id, uint32_t vector,
int virq);
int kvm_device_msix_assign(KVMState *s, uint32_t dev_id);
int kvm_device_msix_deassign(KVMState *s, uint32_t dev_id);
#endif