diff options
| author | Vijaya Kumar K <Vijaya.Kumar@cavium.com> | 2017-01-26 19:50:52 +0530 |
|---|---|---|
| committer | Marc Zyngier <marc.zyngier@arm.com> | 2017-01-30 13:47:29 +0000 |
| commit | e96a006cb0663cca88c45ce125ec5e183f568f80 (patch) | |
| tree | 30a75168167b79af7b3336074d7b5608280fb259 /virt/kvm/arm/vgic/vgic-mmio-v3.c | |
| parent | d017d7b0bd7ab32644d35666a6c4412daa0b0a1d (diff) | |
KVM: arm/arm64: vgic: Implement KVM_DEV_ARM_VGIC_GRP_LEVEL_INFO ioctl
Userspace requires to store and restore of line_level for
level triggered interrupts using ioctl KVM_DEV_ARM_VGIC_GRP_LEVEL_INFO.
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Vijaya Kumar K <Vijaya.Kumar@cavium.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Diffstat (limited to 'virt/kvm/arm/vgic/vgic-mmio-v3.c')
| -rw-r--r-- | virt/kvm/arm/vgic/vgic-mmio-v3.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/virt/kvm/arm/vgic/vgic-mmio-v3.c b/virt/kvm/arm/vgic/vgic-mmio-v3.c index 549ae459ca0e..6afb3b484886 100644 --- a/virt/kvm/arm/vgic/vgic-mmio-v3.c +++ b/virt/kvm/arm/vgic/vgic-mmio-v3.c @@ -803,3 +803,17 @@ int vgic_v3_redist_uaccess(struct kvm_vcpu *vcpu, bool is_write, else return vgic_uaccess(vcpu, &rd_dev, is_write, offset, val); } + +int vgic_v3_line_level_info_uaccess(struct kvm_vcpu *vcpu, bool is_write, + u32 intid, u64 *val) +{ + if (intid % 32) + return -EINVAL; + + if (is_write) + vgic_write_irq_line_level_info(vcpu, intid, *val); + else + *val = vgic_read_irq_line_level_info(vcpu, intid); + + return 0; +} |