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authorCornelia Huck <cornelia.huck@de.ibm.com>2013-07-15 13:36:01 +0200
committerCornelia Huck <cornelia.huck@de.ibm.com>2014-03-21 13:43:00 +0100
commit84223598778ba08041f4297fda485df83414d57e (patch)
treebd93b83a13cc5cd1f6781bf681161fb3982548c5 /include/uapi/linux
parentKVM: s390: adapter interrupt sources (diff)
downloadlinux-dev-84223598778ba08041f4297fda485df83414d57e.tar.xz
linux-dev-84223598778ba08041f4297fda485df83414d57e.zip
KVM: s390: irq routing for adapter interrupts.
Introduce a new interrupt class for s390 adapter interrupts and enable irqfds for s390. This is depending on a new s390 specific vm capability, KVM_CAP_S390_IRQCHIP, that needs to be enabled by userspace. Acked-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Diffstat (limited to 'include/uapi/linux')
-rw-r--r--include/uapi/linux/kvm.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/include/uapi/linux/kvm.h b/include/uapi/linux/kvm.h
index 46ea1b470c76..a8f4ee5d2e82 100644
--- a/include/uapi/linux/kvm.h
+++ b/include/uapi/linux/kvm.h
@@ -742,6 +742,7 @@ struct kvm_ppc_smmu_info {
#define KVM_CAP_HYPERV_TIME 96
#define KVM_CAP_IOAPIC_POLARITY_IGNORED 97
#define KVM_CAP_ENABLE_CAP_VM 98
+#define KVM_CAP_S390_IRQCHIP 99
#ifdef KVM_CAP_IRQ_ROUTING
@@ -757,9 +758,18 @@ struct kvm_irq_routing_msi {
__u32 pad;
};
+struct kvm_irq_routing_s390_adapter {
+ __u64 ind_addr;
+ __u64 summary_addr;
+ __u64 ind_offset;
+ __u32 summary_offset;
+ __u32 adapter_id;
+};
+
/* gsi routing entry types */
#define KVM_IRQ_ROUTING_IRQCHIP 1
#define KVM_IRQ_ROUTING_MSI 2
+#define KVM_IRQ_ROUTING_S390_ADAPTER 3
struct kvm_irq_routing_entry {
__u32 gsi;
@@ -769,6 +779,7 @@ struct kvm_irq_routing_entry {
union {
struct kvm_irq_routing_irqchip irqchip;
struct kvm_irq_routing_msi msi;
+ struct kvm_irq_routing_s390_adapter adapter;
__u32 pad[8];
} u;
};