KVM: round robin for APIC lowest priority delivery mode

[linux-2.6-omap-h63xx.git] / drivers / kvm / kvm.h

diff --git a/drivers/kvm/kvm.h b/drivers/kvm/kvm.h
index 6d258261891e469e6a9c172e925b5ae4df14f661..dbb929d8a31e602001c526102862a59f417f5d94 100644 (file)
--- a/drivers/kvm/kvm.h
+++ b/drivers/kvm/kvm.h
@@ -39,7 +39,7 @@
 
 #define KVM_MAX_VCPUS 4
 #define KVM_ALIAS_SLOTS 4
-#define KVM_MEMORY_SLOTS 4
+#define KVM_MEMORY_SLOTS 8
 #define KVM_NUM_MMU_PAGES 1024
 #define KVM_MIN_FREE_MMU_PAGES 5
 #define KVM_REFILL_PAGES 25
@@ -231,6 +231,7 @@ struct kvm_stat {
        u32 signal_exits;
        u32 irq_window_exits;
        u32 halt_exits;
+       u32 halt_wakeup;
        u32 request_irq_exits;
        u32 irq_exits;
        u32 light_exits;
@@ -324,6 +325,7 @@ struct kvm_vcpu {
        u64 pdptrs[4]; /* pae */
        u64 shadow_efer;
        u64 apic_base;
+       struct kvm_lapic *apic;    /* kernel irqchip context */
        u64 ia32_misc_enable_msr;
 
        struct kvm_mmu mmu;
@@ -352,6 +354,7 @@ struct kvm_vcpu {
        gva_t mmio_fault_cr2;
        struct kvm_pio_request pio;
        void *pio_data;
+       wait_queue_head_t wq;
 
        int sigset_active;
        sigset_t sigset;
@@ -408,8 +411,26 @@ struct kvm {
        struct file *filp;
        struct kvm_io_bus mmio_bus;
        struct kvm_io_bus pio_bus;
+       struct kvm_pic *vpic;
+       struct kvm_ioapic *vioapic;
+       int round_robin_prev_vcpu;
 };
 
+static inline struct kvm_pic *pic_irqchip(struct kvm *kvm)
+{
+       return kvm->vpic;
+}
+
+static inline struct kvm_ioapic *ioapic_irqchip(struct kvm *kvm)
+{
+       return kvm->vioapic;
+}
+
+static inline int irqchip_in_kernel(struct kvm *kvm)
+{
+       return pic_irqchip(kvm) != 0;
+}
+
 struct descriptor_table {
        u16 limit;
        unsigned long base;
@@ -470,6 +491,8 @@ struct kvm_arch_ops {
        void (*skip_emulated_instruction)(struct kvm_vcpu *vcpu);
        void (*patch_hypercall)(struct kvm_vcpu *vcpu,
                                unsigned char *hypercall_addr);
+       int (*get_irq)(struct kvm_vcpu *vcpu);
+       void (*set_irq)(struct kvm_vcpu *vcpu, int vec);
 };
 
 extern struct kvm_arch_ops *kvm_arch_ops;
@@ -539,9 +562,11 @@ int kvm_set_msr(struct kvm_vcpu *vcpu, u32 msr_index, u64 data);
 
 struct x86_emulate_ctxt;
 
-int kvm_setup_pio(struct kvm_vcpu *vcpu, struct kvm_run *run, int in,
-                 int size, unsigned long count, int string, int down,
-                 gva_t address, int rep, unsigned port);
+int kvm_emulate_pio (struct kvm_vcpu *vcpu, struct kvm_run *run, int in,
+                    int size, unsigned port);
+int kvm_emulate_pio_string(struct kvm_vcpu *vcpu, struct kvm_run *run, int in,
+                          int size, unsigned long count, int down,
+                           gva_t address, int rep, unsigned port);
 void kvm_emulate_cpuid(struct kvm_vcpu *vcpu);
 int kvm_emulate_halt(struct kvm_vcpu *vcpu);
 int emulate_invlpg(struct kvm_vcpu *vcpu, gva_t address);
@@ -555,6 +580,7 @@ void set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0);
 void set_cr3(struct kvm_vcpu *vcpu, unsigned long cr0);
 void set_cr4(struct kvm_vcpu *vcpu, unsigned long cr0);
 void set_cr8(struct kvm_vcpu *vcpu, unsigned long cr0);
+unsigned long get_cr8(struct kvm_vcpu *vcpu);
 void lmsw(struct kvm_vcpu *vcpu, unsigned long msw);
 
 int kvm_get_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 *pdata);