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authorScott Wood <scottwood@freescale.com>2011-08-18 15:25:21 -0500
committerAvi Kivity <avi@redhat.com>2012-03-05 14:52:24 +0200
commitdc83b8bc0256ee682506ed83853a98eaba529c6f (patch)
tree0d5f73b725392104320894d606bba10151a9ea3c /include/linux/kvm.h
parent0164c0f0c404017fb04defb0ceb23fd1c3c3a53e (diff)
downloadtalos-obmc-linux-dc83b8bc0256ee682506ed83853a98eaba529c6f.tar.gz
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KVM: PPC: e500: MMU API
This implements a shared-memory API for giving host userspace access to the guest's TLB. Signed-off-by: Scott Wood <scottwood@freescale.com> Signed-off-by: Alexander Graf <agraf@suse.de> Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'include/linux/kvm.h')
-rw-r--r--include/linux/kvm.h18
1 files changed, 18 insertions, 0 deletions
diff --git a/include/linux/kvm.h b/include/linux/kvm.h
index 245bcb3a0fcd..fa029ced4bd5 100644
--- a/include/linux/kvm.h
+++ b/include/linux/kvm.h
@@ -581,6 +581,7 @@ struct kvm_ppc_pvinfo {
#define KVM_CAP_PPC_RMA 65
#define KVM_CAP_MAX_VCPUS 66 /* returns max vcpus per vm */
#define KVM_CAP_PPC_PAPR 68
+#define KVM_CAP_SW_TLB 69
#define KVM_CAP_S390_GMAP 71
#define KVM_CAP_TSC_DEADLINE_TIMER 72
#define KVM_CAP_S390_UCONTROL 73
@@ -664,6 +665,21 @@ struct kvm_clock_data {
__u32 pad[9];
};
+#define KVM_MMU_FSL_BOOKE_NOHV 0
+#define KVM_MMU_FSL_BOOKE_HV 1
+
+struct kvm_config_tlb {
+ __u64 params;
+ __u64 array;
+ __u32 mmu_type;
+ __u32 array_len;
+};
+
+struct kvm_dirty_tlb {
+ __u64 bitmap;
+ __u32 num_dirty;
+};
+
/*
* ioctls for VM fds
*/
@@ -801,6 +817,8 @@ struct kvm_s390_ucas_mapping {
#define KVM_CREATE_SPAPR_TCE _IOW(KVMIO, 0xa8, struct kvm_create_spapr_tce)
/* Available with KVM_CAP_RMA */
#define KVM_ALLOCATE_RMA _IOR(KVMIO, 0xa9, struct kvm_allocate_rma)
+/* Available with KVM_CAP_SW_TLB */
+#define KVM_DIRTY_TLB _IOW(KVMIO, 0xaa, struct kvm_dirty_tlb)
#define KVM_DEV_ASSIGN_ENABLE_IOMMU (1 << 0)
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