KVM: x86/xen: Add event channel interrupt vector upcall

[linux-2.6-microblaze.git] / include / uapi / linux / kvm.h

diff --git a/include/uapi/linux/kvm.h b/include/uapi/linux/kvm.h
index dfe3ba5..4d4cd00 100644 (file)
--- a/include/uapi/linux/kvm.h
+++ b/include/uapi/linux/kvm.h
@@ -216,6 +216,20 @@ struct kvm_hyperv_exit {
        } u;
 };
 
+struct kvm_xen_exit {
+#define KVM_EXIT_XEN_HCALL          1
+       __u32 type;
+       union {
+               struct {
+                       __u32 longmode;
+                       __u32 cpl;
+                       __u64 input;
+                       __u64 result;
+                       __u64 params[6];
+               } hcall;
+       } u;
+};
+
 #define KVM_S390_GET_SKEYS_NONE   1
 #define KVM_S390_SKEYS_MAX        1048576
 
@@ -253,6 +267,7 @@ struct kvm_hyperv_exit {
 #define KVM_EXIT_DIRTY_RING_FULL  31
 #define KVM_EXIT_AP_RESET_HOLD    32
 #define KVM_EXIT_X86_BUS_LOCK     33
+#define KVM_EXIT_XEN              34
 
 /* For KVM_EXIT_INTERNAL_ERROR */
 /* Emulate instruction failed. */
@@ -429,6 +444,8 @@ struct kvm_run {
                        __u32 index; /* kernel -> user */
                        __u64 data; /* kernel <-> user */
                } msr;
+               /* KVM_EXIT_XEN */
+               struct kvm_xen_exit xen;
                /* Fix the size of the union. */
                char padding[256];
        };
@@ -1133,6 +1150,9 @@ struct kvm_x86_mce {
 #endif
 
 #ifdef KVM_CAP_XEN_HVM
+#define KVM_XEN_HVM_CONFIG_HYPERCALL_MSR       (1 << 0)
+#define KVM_XEN_HVM_CONFIG_INTERCEPT_HCALL     (1 << 1)
+
 struct kvm_xen_hvm_config {
        __u32 flags;
        __u32 msr;
@@ -1567,6 +1587,43 @@ struct kvm_pv_cmd {
 /* Available with KVM_CAP_DIRTY_LOG_RING */
 #define KVM_RESET_DIRTY_RINGS          _IO(KVMIO, 0xc7)
 
+/* Per-VM Xen attributes */
+#define KVM_XEN_HVM_GET_ATTR   _IOWR(KVMIO, 0xc8, struct kvm_xen_hvm_attr)
+#define KVM_XEN_HVM_SET_ATTR   _IOW(KVMIO,  0xc9, struct kvm_xen_hvm_attr)
+
+struct kvm_xen_hvm_attr {
+       __u16 type;
+       __u16 pad[3];
+       union {
+               __u8 long_mode;
+               __u8 vector;
+               struct {
+                       __u64 gfn;
+               } shared_info;
+               __u64 pad[8];
+       } u;
+};
+
+#define KVM_XEN_ATTR_TYPE_LONG_MODE            0x0
+#define KVM_XEN_ATTR_TYPE_SHARED_INFO          0x1
+#define KVM_XEN_ATTR_TYPE_UPCALL_VECTOR                0x2
+
+/* Per-vCPU Xen attributes */
+#define KVM_XEN_VCPU_GET_ATTR  _IOWR(KVMIO, 0xca, struct kvm_xen_vcpu_attr)
+#define KVM_XEN_VCPU_SET_ATTR  _IOW(KVMIO,  0xcb, struct kvm_xen_vcpu_attr)
+
+struct kvm_xen_vcpu_attr {
+       __u16 type;
+       __u16 pad[3];
+       union {
+               __u64 gpa;
+               __u64 pad[8];
+       } u;
+};
+
+#define KVM_XEN_VCPU_ATTR_TYPE_VCPU_INFO       0x0
+#define KVM_XEN_VCPU_ATTR_TYPE_VCPU_TIME_INFO  0x1
+
 /* Secure Encrypted Virtualization command */
 enum sev_cmd_id {
        /* Guest initialization commands */