f94591e2e6
This patch implements the switches for KVM_DEV_ARM_VGIC_GRP_DIST_REGS and KVM_DEV_ARM_VGIC_GRP_CPU_REGS API which allows the userspace to access VGIC registers. Signed-off-by: Eric Auger <eric.auger@linaro.org> Signed-off-by: Andre Przywara <andre.przywara@arm.com> Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org>
83 lines
2.6 KiB
C
83 lines
2.6 KiB
C
/*
|
|
* Copyright (C) 2015, 2016 ARM Ltd.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
#ifndef __KVM_ARM_VGIC_NEW_H__
|
|
#define __KVM_ARM_VGIC_NEW_H__
|
|
|
|
#define PRODUCT_ID_KVM 0x4b /* ASCII code K */
|
|
#define IMPLEMENTER_ARM 0x43b
|
|
|
|
#define VGIC_ADDR_UNDEF (-1)
|
|
#define IS_VGIC_ADDR_UNDEF(_x) ((_x) == VGIC_ADDR_UNDEF)
|
|
|
|
#define INTERRUPT_ID_BITS_SPIS 10
|
|
#define VGIC_PRI_BITS 5
|
|
|
|
#define vgic_irq_is_sgi(intid) ((intid) < VGIC_NR_SGIS)
|
|
|
|
struct vgic_irq *vgic_get_irq(struct kvm *kvm, struct kvm_vcpu *vcpu,
|
|
u32 intid);
|
|
bool vgic_queue_irq_unlock(struct kvm *kvm, struct vgic_irq *irq);
|
|
void vgic_kick_vcpus(struct kvm *kvm);
|
|
|
|
void vgic_v2_process_maintenance(struct kvm_vcpu *vcpu);
|
|
void vgic_v2_fold_lr_state(struct kvm_vcpu *vcpu);
|
|
void vgic_v2_populate_lr(struct kvm_vcpu *vcpu, struct vgic_irq *irq, int lr);
|
|
void vgic_v2_clear_lr(struct kvm_vcpu *vcpu, int lr);
|
|
void vgic_v2_set_underflow(struct kvm_vcpu *vcpu);
|
|
int vgic_v2_has_attr_regs(struct kvm_device *dev, struct kvm_device_attr *attr);
|
|
int vgic_register_dist_iodev(struct kvm *kvm, gpa_t dist_base_address,
|
|
enum vgic_type);
|
|
|
|
#ifdef CONFIG_KVM_ARM_VGIC_V3
|
|
void vgic_v3_process_maintenance(struct kvm_vcpu *vcpu);
|
|
void vgic_v3_fold_lr_state(struct kvm_vcpu *vcpu);
|
|
void vgic_v3_populate_lr(struct kvm_vcpu *vcpu, struct vgic_irq *irq, int lr);
|
|
void vgic_v3_clear_lr(struct kvm_vcpu *vcpu, int lr);
|
|
void vgic_v3_set_underflow(struct kvm_vcpu *vcpu);
|
|
int vgic_register_redist_iodevs(struct kvm *kvm, gpa_t dist_base_address);
|
|
#else
|
|
static inline void vgic_v3_process_maintenance(struct kvm_vcpu *vcpu)
|
|
{
|
|
}
|
|
|
|
static inline void vgic_v3_fold_lr_state(struct kvm_vcpu *vcpu)
|
|
{
|
|
}
|
|
|
|
static inline void vgic_v3_populate_lr(struct kvm_vcpu *vcpu,
|
|
struct vgic_irq *irq, int lr)
|
|
{
|
|
}
|
|
|
|
static inline void vgic_v3_clear_lr(struct kvm_vcpu *vcpu, int lr)
|
|
{
|
|
}
|
|
|
|
static inline void vgic_v3_set_underflow(struct kvm_vcpu *vcpu)
|
|
{
|
|
}
|
|
|
|
static inline int vgic_register_redist_iodevs(struct kvm *kvm,
|
|
gpa_t dist_base_address)
|
|
{
|
|
return -ENODEV;
|
|
}
|
|
#endif
|
|
|
|
void kvm_register_vgic_device(unsigned long type);
|
|
|
|
#endif
|