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author | Andrey Smetanin | 2015-11-10 13:52:42 +0100 |
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committer | Paolo Bonzini | 2015-12-17 15:24:34 +0100 |
commit | 977a8d9c0d33189b435442862a7ee943645f0947 (patch) | |
tree | c48744a9aacfbab564081c8e7db5d07e50368efa /kvm-all.c | |
parent | target-i386/kvm: Hyper-V SynIC MSR's support (diff) | |
download | qemu-977a8d9c0d33189b435442862a7ee943645f0947.tar.gz qemu-977a8d9c0d33189b435442862a7ee943645f0947.tar.xz qemu-977a8d9c0d33189b435442862a7ee943645f0947.zip |
kvm: Hyper-V SynIC irq routing support
Signed-off-by: Andrey Smetanin <asmetanin@virtuozzo.com>
Reviewed-by: Roman Kagan <rkagan@virtuozzo.com>
Signed-off-by: Denis V. Lunev <den@openvz.org>
CC: Paolo Bonzini <pbonzini@redhat.com>
CC: Richard Henderson <rth@twiddle.net>
CC: Eduardo Habkost <ehabkost@redhat.com>
CC: "Andreas Färber" <afaerber@suse.de>
CC: Marcelo Tosatti <mtosatti@redhat.com>
CC: Roman Kagan <rkagan@virtuozzo.com>
CC: Denis V. Lunev <den@openvz.org>
CC: kvm@vger.kernel.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'kvm-all.c')
-rw-r--r-- | kvm-all.c | 33 |
1 files changed, 33 insertions, 0 deletions
@@ -1300,6 +1300,34 @@ int kvm_irqchip_add_adapter_route(KVMState *s, AdapterInfo *adapter) return virq; } +int kvm_irqchip_add_hv_sint_route(KVMState *s, uint32_t vcpu, uint32_t sint) +{ + struct kvm_irq_routing_entry kroute = {}; + int virq; + + if (!kvm_gsi_routing_enabled()) { + return -ENOSYS; + } + if (!kvm_check_extension(s, KVM_CAP_HYPERV_SYNIC)) { + return -ENOSYS; + } + virq = kvm_irqchip_get_virq(s); + if (virq < 0) { + return virq; + } + + kroute.gsi = virq; + kroute.type = KVM_IRQ_ROUTING_HV_SINT; + kroute.flags = 0; + kroute.u.hv_sint.vcpu = vcpu; + kroute.u.hv_sint.sint = sint; + + kvm_add_routing_entry(s, &kroute); + kvm_irqchip_commit_routes(s); + + return virq; +} + #else /* !KVM_CAP_IRQ_ROUTING */ void kvm_init_irq_routing(KVMState *s) @@ -1325,6 +1353,11 @@ int kvm_irqchip_add_adapter_route(KVMState *s, AdapterInfo *adapter) return -ENOSYS; } +int kvm_irqchip_add_hv_sint_route(KVMState *s, uint32_t vcpu, uint32_t sint) +{ + return -ENOSYS; +} + static int kvm_irqchip_assign_irqfd(KVMState *s, int fd, int virq, bool assign) { abort(); |