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authorAlexander Graf <agraf@suse.de>2013-01-04 18:12:48 +0100
committerAlexander Graf <agraf@suse.de>2013-01-10 13:42:31 +0100
commit1c810636556c8d53a37406b34a64d9b9b0161aa6 (patch)
treeb163d427c9dcff066330d4ac13de529a9831a044 /include/linux/kvm_host.h
parent37ecb257f68ce4fb7c7048a1123bbcbbe36d9575 (diff)
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KVM: PPC: BookE: Implement EPR exit
The External Proxy Facility in FSL BookE chips allows the interrupt controller to automatically acknowledge an interrupt as soon as a core gets its pending external interrupt delivered. Today, user space implements the interrupt controller, so we need to check on it during such a cycle. This patch implements logic for user space to enable EPR exiting, disable EPR exiting and EPR exiting itself, so that user space can acknowledge an interrupt when an external interrupt has successfully been delivered into the guest vcpu. Signed-off-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'include/linux/kvm_host.h')
-rw-r--r--include/linux/kvm_host.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index cbe0d683e2e..4dd7d7531e6 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -122,6 +122,7 @@ static inline bool is_error_page(struct page *page)
#define KVM_REQ_WATCHDOG 18
#define KVM_REQ_MASTERCLOCK_UPDATE 19
#define KVM_REQ_MCLOCK_INPROGRESS 20
+#define KVM_REQ_EPR_EXIT 21
#define KVM_USERSPACE_IRQ_SOURCE_ID 0
#define KVM_IRQFD_RESAMPLE_IRQ_SOURCE_ID 1