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-rw-r--r--include/asm-generic/kvm_para.h5
-rw-r--r--include/kvm/arm_vgic.h14
-rw-r--r--include/linux/hyperv.h1
-rw-r--r--include/linux/kvm_para.h5
-rw-r--r--include/uapi/linux/kvm.h23
5 files changed, 37 insertions, 11 deletions
diff --git a/include/asm-generic/kvm_para.h b/include/asm-generic/kvm_para.h
index 18c6abe81fbd..728e5c5706c4 100644
--- a/include/asm-generic/kvm_para.h
+++ b/include/asm-generic/kvm_para.h
@@ -19,6 +19,11 @@ static inline unsigned int kvm_arch_para_features(void)
return 0;
}
+static inline unsigned int kvm_arch_para_hints(void)
+{
+ return 0;
+}
+
static inline bool kvm_para_available(void)
{
return false;
diff --git a/include/kvm/arm_vgic.h b/include/kvm/arm_vgic.h
index 02924ae2527e..24f03941ada8 100644
--- a/include/kvm/arm_vgic.h
+++ b/include/kvm/arm_vgic.h
@@ -57,11 +57,15 @@ struct vgic_global {
/* Physical address of vgic virtual cpu interface */
phys_addr_t vcpu_base;
- /* GICV mapping */
+ /* GICV mapping, kernel VA */
void __iomem *vcpu_base_va;
+ /* GICV mapping, HYP VA */
+ void __iomem *vcpu_hyp_va;
- /* virtual control interface mapping */
+ /* virtual control interface mapping, kernel VA */
void __iomem *vctrl_base;
+ /* virtual control interface mapping, HYP VA */
+ void __iomem *vctrl_hyp;
/* Number of implemented list registers */
int nr_lr;
@@ -209,10 +213,6 @@ struct vgic_dist {
int nr_spis;
- /* TODO: Consider moving to global state */
- /* Virtual control interface mapping */
- void __iomem *vctrl_base;
-
/* base addresses in guest physical address space: */
gpa_t vgic_dist_base; /* distributor */
union {
@@ -263,7 +263,6 @@ struct vgic_dist {
struct vgic_v2_cpu_if {
u32 vgic_hcr;
u32 vgic_vmcr;
- u64 vgic_elrsr; /* Saved only */
u32 vgic_apr;
u32 vgic_lr[VGIC_V2_MAX_LRS];
};
@@ -272,7 +271,6 @@ struct vgic_v3_cpu_if {
u32 vgic_hcr;
u32 vgic_vmcr;
u32 vgic_sre; /* Restored only, change ignored */
- u32 vgic_elrsr; /* Saved only */
u32 vgic_ap0r[4];
u32 vgic_ap1r[4];
u64 vgic_lr[VGIC_V3_MAX_LRS];
diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h
index 2048f3c3b68a..192ed8fbc403 100644
--- a/include/linux/hyperv.h
+++ b/include/linux/hyperv.h
@@ -26,7 +26,6 @@
#define _HYPERV_H
#include <uapi/linux/hyperv.h>
-#include <uapi/asm/hyperv.h>
#include <linux/types.h>
#include <linux/scatterlist.h>
diff --git a/include/linux/kvm_para.h b/include/linux/kvm_para.h
index 51f6ef2c2ff4..f23b90b02898 100644
--- a/include/linux/kvm_para.h
+++ b/include/linux/kvm_para.h
@@ -9,4 +9,9 @@ static inline bool kvm_para_has_feature(unsigned int feature)
{
return !!(kvm_arch_para_features() & (1UL << feature));
}
+
+static inline bool kvm_para_has_hint(unsigned int feature)
+{
+ return !!(kvm_arch_para_hints() & (1UL << feature));
+}
#endif /* __LINUX_KVM_PARA_H */
diff --git a/include/uapi/linux/kvm.h b/include/uapi/linux/kvm.h
index 7b26d4b0b052..1065006c9bf5 100644
--- a/include/uapi/linux/kvm.h
+++ b/include/uapi/linux/kvm.h
@@ -396,6 +396,10 @@ struct kvm_run {
char padding[256];
};
+ /* 2048 is the size of the char array used to bound/pad the size
+ * of the union that holds sync regs.
+ */
+ #define SYNC_REGS_SIZE_BYTES 2048
/*
* shared registers between kvm and userspace.
* kvm_valid_regs specifies the register classes set by the host
@@ -407,7 +411,7 @@ struct kvm_run {
__u64 kvm_dirty_regs;
union {
struct kvm_sync_regs regs;
- char padding[2048];
+ char padding[SYNC_REGS_SIZE_BYTES];
} s;
};
@@ -925,7 +929,7 @@ struct kvm_ppc_resize_hpt {
#define KVM_CAP_S390_GS 140
#define KVM_CAP_S390_AIS 141
#define KVM_CAP_SPAPR_TCE_VFIO 142
-#define KVM_CAP_X86_GUEST_MWAIT 143
+#define KVM_CAP_X86_DISABLE_EXITS 143
#define KVM_CAP_ARM_USER_IRQ 144
#define KVM_CAP_S390_CMMA_MIGRATION 145
#define KVM_CAP_PPC_FWNMI 146
@@ -936,6 +940,7 @@ struct kvm_ppc_resize_hpt {
#define KVM_CAP_PPC_GET_CPU_CHAR 151
#define KVM_CAP_S390_BPB 152
#define KVM_CAP_GET_MSR_FEATURES 153
+#define KVM_CAP_HYPERV_EVENTFD 154
#ifdef KVM_CAP_IRQ_ROUTING
@@ -1375,6 +1380,10 @@ struct kvm_enc_region {
#define KVM_MEMORY_ENCRYPT_REG_REGION _IOR(KVMIO, 0xbb, struct kvm_enc_region)
#define KVM_MEMORY_ENCRYPT_UNREG_REGION _IOR(KVMIO, 0xbc, struct kvm_enc_region)
+/* Available with KVM_CAP_HYPERV_EVENTFD */
+#define KVM_HYPERV_EVENTFD _IOW(KVMIO, 0xbd, struct kvm_hyperv_eventfd)
+
+
/* Secure Encrypted Virtualization command */
enum sev_cmd_id {
/* Guest initialization commands */
@@ -1515,4 +1524,14 @@ struct kvm_assigned_msix_entry {
#define KVM_ARM_DEV_EL1_PTIMER (1 << 1)
#define KVM_ARM_DEV_PMU (1 << 2)
+struct kvm_hyperv_eventfd {
+ __u32 conn_id;
+ __s32 fd;
+ __u32 flags;
+ __u32 padding[3];
+};
+
+#define KVM_HYPERV_CONN_ID_MASK 0x00ffffff
+#define KVM_HYPERV_EVENTFD_DEASSIGN (1 << 0)
+
#endif /* __LINUX_KVM_H */