Merge remote-tracking branch 'kvm-arm/next'

[karo-tx-linux.git] / arch / x86 / include / asm / kvm_host.h

diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 3a36ee704c307414b305e1cac21ec9aba4de5872..9265196e877f34d662ea56a8d5993dcb4349ea57 100644 (file)
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -24,6 +24,7 @@
 #include <linux/perf_event.h>
 #include <linux/pvclock_gtod.h>
 #include <linux/clocksource.h>
+#include <linux/irqbypass.h>
 
 #include <asm/pvclock-abi.h>
 #include <asm/desc.h>
@@ -176,6 +177,8 @@ enum {
  */
 #define KVM_APIC_PV_EOI_PENDING        1
 
+struct kvm_kernel_irq_routing_entry;
+
 /*
  * We don't want allocation failures within the mmu code, so we preallocate
  * enough memory for a single page fault in a cache.
@@ -374,6 +377,7 @@ struct kvm_mtrr {
 /* Hyper-V per vcpu emulation context */
 struct kvm_vcpu_hv {
        u64 hv_vapic;
+       s64 runtime_offset;
 };
 
 struct kvm_vcpu_arch {
@@ -396,6 +400,7 @@ struct kvm_vcpu_arch {
        u64 efer;
        u64 apic_base;
        struct kvm_lapic *apic;    /* kernel irqchip context */
+       u64 eoi_exit_bitmap[4];
        unsigned long apic_attention;
        int32_t apic_arb_prio;
        int mp_state;
@@ -573,6 +578,9 @@ struct kvm_vcpu_arch {
        struct {
                bool pv_unhalted;
        } pv;
+
+       int pending_ioapic_eoi;
+       int pending_external_vector;
 };
 
 struct kvm_lpage_info {
@@ -683,6 +691,9 @@ struct kvm_arch {
        u32 bsp_vcpu_id;
 
        u64 disabled_quirks;
+
+       bool irqchip_split;
+       u8 nr_reserved_ioapic_pins;
 };
 
 struct kvm_vm_stat {
@@ -819,10 +830,10 @@ struct kvm_x86_ops {
        void (*enable_nmi_window)(struct kvm_vcpu *vcpu);
        void (*enable_irq_window)(struct kvm_vcpu *vcpu);
        void (*update_cr8_intercept)(struct kvm_vcpu *vcpu, int tpr, int irr);
-       int (*vm_has_apicv)(struct kvm *kvm);
+       int (*cpu_uses_apicv)(struct kvm_vcpu *vcpu);
        void (*hwapic_irr_update)(struct kvm_vcpu *vcpu, int max_irr);
        void (*hwapic_isr_update)(struct kvm *kvm, int isr);
-       void (*load_eoi_exitmap)(struct kvm_vcpu *vcpu, u64 *eoi_exit_bitmap);
+       void (*load_eoi_exitmap)(struct kvm_vcpu *vcpu);
        void (*set_virtual_x2apic_mode)(struct kvm_vcpu *vcpu, bool set);
        void (*set_apic_access_page_addr)(struct kvm_vcpu *vcpu, hpa_t hpa);
        void (*deliver_posted_interrupt)(struct kvm_vcpu *vcpu, int vector);
@@ -887,6 +898,20 @@ struct kvm_x86_ops {
                                           gfn_t offset, unsigned long mask);
        /* pmu operations of sub-arch */
        const struct kvm_pmu_ops *pmu_ops;
+
+       /*
+        * Architecture specific hooks for vCPU blocking due to
+        * HLT instruction.
+        * Returns for .pre_block():
+        *    - 0 means continue to block the vCPU.
+        *    - 1 means we cannot block the vCPU since some event
+        *        happens during this period, such as, 'ON' bit in
+        *        posted-interrupts descriptor is set.
+        */
+       int (*pre_block)(struct kvm_vcpu *vcpu);
+       void (*post_block)(struct kvm_vcpu *vcpu);
+       int (*update_pi_irte)(struct kvm *kvm, unsigned int host_irq,
+                             uint32_t guest_irq, bool set);
 };
 
 struct kvm_arch_async_pf {
@@ -1231,4 +1256,13 @@ int x86_set_memory_region(struct kvm *kvm, int id, gpa_t gpa, u32 size);
 bool kvm_vcpu_is_reset_bsp(struct kvm_vcpu *vcpu);
 bool kvm_vcpu_is_bsp(struct kvm_vcpu *vcpu);
 
+bool kvm_intr_is_single_vcpu(struct kvm *kvm, struct kvm_lapic_irq *irq,
+                            struct kvm_vcpu **dest_vcpu);
+
+void kvm_set_msi_irq(struct kvm_kernel_irq_routing_entry *e,
+                    struct kvm_lapic_irq *irq);
+
+static inline void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu) {}
+static inline void kvm_arch_vcpu_unblocking(struct kvm_vcpu *vcpu) {}
+
 #endif /* _ASM_X86_KVM_HOST_H */