diff options
Diffstat (limited to 'virt/kvm/arm/vgic/vgic-v3.c')
| -rw-r--r-- | virt/kvm/arm/vgic/vgic-v3.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/virt/kvm/arm/vgic/vgic-v3.c b/virt/kvm/arm/vgic/vgic-v3.c index 863351c090d8..2f05f732d3fd 100644 --- a/virt/kvm/arm/vgic/vgic-v3.c +++ b/virt/kvm/arm/vgic/vgic-v3.c @@ -24,6 +24,7 @@ static bool group0_trap; static bool group1_trap; static bool common_trap; +static bool gicv4_enable; void vgic_v3_set_underflow(struct kvm_vcpu *vcpu) { @@ -461,6 +462,12 @@ static int __init early_common_trap_cfg(char *buf) } early_param("kvm-arm.vgic_v3_common_trap", early_common_trap_cfg); +static int __init early_gicv4_enable(char *buf) +{ + return strtobool(buf, &gicv4_enable); +} +early_param("kvm-arm.vgic_v4_enable", early_gicv4_enable); + /** * vgic_v3_probe - probe for a GICv3 compatible interrupt controller in DT * @node: pointer to the DT node @@ -480,6 +487,13 @@ int vgic_v3_probe(const struct gic_kvm_info *info) kvm_vgic_global_state.can_emulate_gicv2 = false; kvm_vgic_global_state.ich_vtr_el2 = ich_vtr_el2; + /* GICv4 support? */ + if (info->has_v4) { + kvm_vgic_global_state.has_gicv4 = gicv4_enable; + kvm_info("GICv4 support %sabled\n", + gicv4_enable ? "en" : "dis"); + } + if (!info->vcpu.start) { kvm_info("GICv3: no GICV resource entry\n"); kvm_vgic_global_state.vcpu_base = 0; |