Merge branch 'kvm-updates/2.6.30' of git://git.kernel.org/pub/scm/virt/kvm/kvm

* 'kvm-updates/2.6.30' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (113 commits)
  KVM: VMX: Don't allow uninhibited access to EFER on i386
  KVM: Correct deassign device ioctl to IOW
  KVM: ppc: e500: Fix the bug that KVM is unstable in SMP
  KVM: ppc: e500: Fix the bug that mas0 update to wrong value when read TLB entry
  KVM: Fix missing smp tlb flush in invlpg
  KVM: Get support IRQ routing entry counts
  KVM: fix sparse warnings: Should it be static?
  KVM: fix sparse warnings: context imbalance
  KVM: is_long_mode() should check for EFER.LMA
  KVM: VMX: Update necessary state when guest enters long mode
  KVM: ia64: Fix the build errors due to lack of macros related to MSI.
  ia64: Move the macro definitions related to MSI to one header file.
  KVM: fix kvm_vm_ioctl_deassign_device
  KVM: define KVM_CAP_DEVICE_DEASSIGNMENT
  KVM: ppc: Add emulation of E500 register mmucsr0
  KVM: Report IRQ injection status for MSI delivered interrupts
  KVM: MMU: Fix another largepage memory leak
  KVM: SVM: set accessed bit for VMCB segment selectors
  KVM: Report IRQ injection status to userspace.
  KVM: MMU: remove assertion in kvm_mmu_alloc_page
  ...

3 files changed, 153 insertions, 37 deletions

diff --git a/include/linux/kvm.h b/include/linux/kvm.h
index 0424326f1679..311a073afe8a 100644
--- a/include/linux/kvm.h
+++ b/include/linux/kvm.h
@@ -48,7 +48,10 @@ struct kvm_irq_level {
          * For IA-64 (APIC model) IOAPIC0: irq 0-23; IOAPIC1: irq 24-47..
          * For X86 (standard AT mode) PIC0/1: irq 0-15. IOAPIC0: 0-23..
          */
-        __u32 irq;
+        union {
+                __u32 irq;
+                __s32 status;
+        };
         __u32 level;
 };
 
@@ -126,6 +129,7 @@ struct kvm_run {
                         __u64 data_offset; /* relative to kvm_run start */
                 } io;
                 struct {
+                        struct kvm_debug_exit_arch arch;
                 } debug;
                 /* KVM_EXIT_MMIO */
                 struct {
@@ -217,21 +221,6 @@ struct kvm_interrupt {
         __u32 irq;
 };
 
-struct kvm_breakpoint {
-        __u32 enabled;
-        __u32 padding;
-        __u64 address;
-};
-
-/* for KVM_DEBUG_GUEST */
-struct kvm_debug_guest {
-        /* int */
-        __u32 enabled;
-        __u32 pad;
-        struct kvm_breakpoint breakpoints[4];
-        __u32 singlestep;
-};
-
 /* for KVM_GET_DIRTY_LOG */
 struct kvm_dirty_log {
         __u32 slot;
@@ -292,6 +281,17 @@ struct kvm_s390_interrupt {
         __u64 parm64;
 };
 
+/* for KVM_SET_GUEST_DEBUG */
+
+#define KVM_GUESTDBG_ENABLE             0x00000001
+#define KVM_GUESTDBG_SINGLESTEP         0x00000002
+
+struct kvm_guest_debug {
+        __u32 control;
+        __u32 pad;
+        struct kvm_guest_debug_arch arch;
+};
+
 #define KVM_TRC_SHIFT           16
 /*
  * kvm trace categories
@@ -396,6 +396,57 @@ struct kvm_trace_rec {
 #ifdef __KVM_HAVE_USER_NMI
 #define KVM_CAP_USER_NMI 22
 #endif
+#ifdef __KVM_HAVE_GUEST_DEBUG
+#define KVM_CAP_SET_GUEST_DEBUG 23
+#endif
+#ifdef __KVM_HAVE_PIT
+#define KVM_CAP_REINJECT_CONTROL 24
+#endif
+#ifdef __KVM_HAVE_IOAPIC
+#define KVM_CAP_IRQ_ROUTING 25
+#endif
+#define KVM_CAP_IRQ_INJECT_STATUS 26
+#ifdef __KVM_HAVE_DEVICE_ASSIGNMENT
+#define KVM_CAP_DEVICE_DEASSIGNMENT 27
+#endif
+
+#ifdef KVM_CAP_IRQ_ROUTING
+
+struct kvm_irq_routing_irqchip {
+        __u32 irqchip;
+        __u32 pin;
+};
+
+struct kvm_irq_routing_msi {
+        __u32 address_lo;
+        __u32 address_hi;
+        __u32 data;
+        __u32 pad;
+};
+
+/* gsi routing entry types */
+#define KVM_IRQ_ROUTING_IRQCHIP 1
+#define KVM_IRQ_ROUTING_MSI 2
+
+struct kvm_irq_routing_entry {
+        __u32 gsi;
+        __u32 type;
+        __u32 flags;
+        __u32 pad;
+        union {
+                struct kvm_irq_routing_irqchip irqchip;
+                struct kvm_irq_routing_msi msi;
+                __u32 pad[8];
+        } u;
+};
+
+struct kvm_irq_routing {
+        __u32 nr;
+        __u32 flags;
+        struct kvm_irq_routing_entry entries[0];
+};
+
+#endif
 
 /*
  * ioctls for VM fds
@@ -421,14 +472,19 @@ struct kvm_trace_rec {
 #define KVM_CREATE_PIT            _IO(KVMIO,  0x64)
 #define KVM_GET_PIT               _IOWR(KVMIO, 0x65, struct kvm_pit_state)
 #define KVM_SET_PIT               _IOR(KVMIO,  0x66, struct kvm_pit_state)
+#define KVM_IRQ_LINE_STATUS       _IOWR(KVMIO, 0x67, struct kvm_irq_level)
 #define KVM_REGISTER_COALESCED_MMIO \
                         _IOW(KVMIO,  0x67, struct kvm_coalesced_mmio_zone)
 #define KVM_UNREGISTER_COALESCED_MMIO \
                         _IOW(KVMIO,  0x68, struct kvm_coalesced_mmio_zone)
 #define KVM_ASSIGN_PCI_DEVICE _IOR(KVMIO, 0x69, \
                                    struct kvm_assigned_pci_dev)
+#define KVM_SET_GSI_ROUTING       _IOW(KVMIO, 0x6a, struct kvm_irq_routing)
 #define KVM_ASSIGN_IRQ _IOR(KVMIO, 0x70, \
                             struct kvm_assigned_irq)
+#define KVM_REINJECT_CONTROL      _IO(KVMIO, 0x71)
+#define KVM_DEASSIGN_PCI_DEVICE _IOW(KVMIO, 0x72, \
+                                     struct kvm_assigned_pci_dev)
 
 /*
  * ioctls for vcpu fds
@@ -440,7 +496,8 @@ struct kvm_trace_rec {
 #define KVM_SET_SREGS             _IOW(KVMIO,  0x84, struct kvm_sregs)
 #define KVM_TRANSLATE             _IOWR(KVMIO, 0x85, struct kvm_translation)
 #define KVM_INTERRUPT             _IOW(KVMIO,  0x86, struct kvm_interrupt)
-#define KVM_DEBUG_GUEST           _IOW(KVMIO,  0x87, struct kvm_debug_guest)
+/* KVM_DEBUG_GUEST is no longer supported, use KVM_SET_GUEST_DEBUG instead */
+#define KVM_DEBUG_GUEST           __KVM_DEPRECATED_DEBUG_GUEST
 #define KVM_GET_MSRS              _IOWR(KVMIO, 0x88, struct kvm_msrs)
 #define KVM_SET_MSRS              _IOW(KVMIO,  0x89, struct kvm_msrs)
 #define KVM_SET_CPUID             _IOW(KVMIO,  0x8a, struct kvm_cpuid)
@@ -469,6 +526,29 @@ struct kvm_trace_rec {
 #define KVM_SET_MP_STATE          _IOW(KVMIO,  0x99, struct kvm_mp_state)
 /* Available with KVM_CAP_NMI */
 #define KVM_NMI                   _IO(KVMIO,  0x9a)
+/* Available with KVM_CAP_SET_GUEST_DEBUG */
+#define KVM_SET_GUEST_DEBUG       _IOW(KVMIO,  0x9b, struct kvm_guest_debug)
+
+/*
+ * Deprecated interfaces
+ */
+struct kvm_breakpoint {
+        __u32 enabled;
+        __u32 padding;
+        __u64 address;
+};
+
+struct kvm_debug_guest {
+        __u32 enabled;
+        __u32 pad;
+        struct kvm_breakpoint breakpoints[4];
+        __u32 singlestep;
+};
+
+#define __KVM_DEPRECATED_DEBUG_GUEST _IOW(KVMIO,  0x87, struct kvm_debug_guest)
+
+#define KVM_IA64_VCPU_GET_STACK   _IOR(KVMIO,  0x9a, void *)
+#define KVM_IA64_VCPU_SET_STACK   _IOW(KVMIO,  0x9b, void *)
 
 #define KVM_TRC_INJ_VIRQ         (KVM_TRC_HANDLER + 0x02)
 #define KVM_TRC_REDELIVER_EVT    (KVM_TRC_HANDLER + 0x03)
@@ -522,6 +602,7 @@ struct kvm_assigned_irq {
 
 #define KVM_DEV_ASSIGN_ENABLE_IOMMU     (1 << 0)
 
+#define KVM_DEV_IRQ_ASSIGN_MSI_ACTION   KVM_DEV_IRQ_ASSIGN_ENABLE_MSI
 #define KVM_DEV_IRQ_ASSIGN_ENABLE_MSI   (1 << 0)
 
 #endif
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index bf6f703642fc..894a56e365e8 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -37,6 +37,7 @@
 #define KVM_REQ_PENDING_TIMER      5
 #define KVM_REQ_UNHALT             6
 #define KVM_REQ_MMU_SYNC           7
+#define KVM_REQ_KVMCLOCK_UPDATE    8
 
 #define KVM_USERSPACE_IRQ_SOURCE_ID     0
 
@@ -73,7 +74,7 @@ struct kvm_vcpu {
         struct kvm_run *run;
         int guest_mode;
         unsigned long requests;
-        struct kvm_guest_debug guest_debug;
+        unsigned long guest_debug;
         int fpu_active;
         int guest_fpu_loaded;
         wait_queue_head_t wq;
@@ -107,6 +108,20 @@ struct kvm_memory_slot {
         int user_alloc;
 };
 
+struct kvm_kernel_irq_routing_entry {
+        u32 gsi;
+        int (*set)(struct kvm_kernel_irq_routing_entry *e,
+                    struct kvm *kvm, int level);
+        union {
+                struct {
+                        unsigned irqchip;
+                        unsigned pin;
+                } irqchip;
+                struct msi_msg msi;
+        };
+        struct list_head link;
+};
+
 struct kvm {
         struct mutex lock; /* protects the vcpus array and APIC accesses */
         spinlock_t mmu_lock;
@@ -127,6 +142,11 @@ struct kvm {
         struct kvm_coalesced_mmio_ring *coalesced_mmio_ring;
 #endif
 
+#ifdef CONFIG_HAVE_KVM_IRQCHIP
+        struct list_head irq_routing; /* of kvm_kernel_irq_routing_entry */
+        struct hlist_head mask_notifier_list;
+#endif
+
 #ifdef KVM_ARCH_WANT_MMU_NOTIFIER
         struct mmu_notifier mmu_notifier;
         unsigned long mmu_notifier_seq;
@@ -237,7 +257,6 @@ int kvm_vm_ioctl_set_memory_region(struct kvm *kvm,
                                    int user_alloc);
 long kvm_arch_vm_ioctl(struct file *filp,
                        unsigned int ioctl, unsigned long arg);
-void kvm_arch_destroy_vm(struct kvm *kvm);
 
 int kvm_arch_vcpu_ioctl_get_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu);
 int kvm_arch_vcpu_ioctl_set_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu);
@@ -255,8 +274,8 @@ int kvm_arch_vcpu_ioctl_get_mpstate(struct kvm_vcpu *vcpu,
                                     struct kvm_mp_state *mp_state);
 int kvm_arch_vcpu_ioctl_set_mpstate(struct kvm_vcpu *vcpu,
                                     struct kvm_mp_state *mp_state);
-int kvm_arch_vcpu_ioctl_debug_guest(struct kvm_vcpu *vcpu,
-                                    struct kvm_debug_guest *dbg);
+int kvm_arch_vcpu_ioctl_set_guest_debug(struct kvm_vcpu *vcpu,
+                                        struct kvm_guest_debug *dbg);
 int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run);
 
 int kvm_arch_init(void *opaque);
@@ -310,7 +329,6 @@ struct kvm_assigned_dev_kernel {
         int host_irq;
         bool host_irq_disabled;
         int guest_irq;
-        struct msi_msg guest_msi;
 #define KVM_ASSIGNED_DEV_GUEST_INTX     (1 << 0)
 #define KVM_ASSIGNED_DEV_GUEST_MSI      (1 << 1)
 #define KVM_ASSIGNED_DEV_HOST_INTX      (1 << 8)
@@ -321,8 +339,21 @@ struct kvm_assigned_dev_kernel {
         struct pci_dev *dev;
         struct kvm *kvm;
 };
-void kvm_set_irq(struct kvm *kvm, int irq_source_id, int irq, int level);
-void kvm_notify_acked_irq(struct kvm *kvm, unsigned gsi);
+
+struct kvm_irq_mask_notifier {
+        void (*func)(struct kvm_irq_mask_notifier *kimn, bool masked);
+        int irq;
+        struct hlist_node link;
+};
+
+void kvm_register_irq_mask_notifier(struct kvm *kvm, int irq,
+                                    struct kvm_irq_mask_notifier *kimn);
+void kvm_unregister_irq_mask_notifier(struct kvm *kvm, int irq,
+                                      struct kvm_irq_mask_notifier *kimn);
+void kvm_fire_mask_notifiers(struct kvm *kvm, int irq, bool mask);
+
+int kvm_set_irq(struct kvm *kvm, int irq_source_id, int irq, int level);
+void kvm_notify_acked_irq(struct kvm *kvm, unsigned irqchip, unsigned pin);
 void kvm_register_irq_ack_notifier(struct kvm *kvm,
                                    struct kvm_irq_ack_notifier *kian);
 void kvm_unregister_irq_ack_notifier(struct kvm_irq_ack_notifier *kian);
@@ -464,4 +495,21 @@ static inline int mmu_notifier_retry(struct kvm_vcpu *vcpu, unsigned long mmu_se
 }
 #endif
 
+#ifdef CONFIG_HAVE_KVM_IRQCHIP
+
+#define KVM_MAX_IRQ_ROUTES 1024
+
+int kvm_setup_default_irq_routing(struct kvm *kvm);
+int kvm_set_irq_routing(struct kvm *kvm,
+                        const struct kvm_irq_routing_entry *entries,
+                        unsigned nr,
+                        unsigned flags);
+void kvm_free_irq_routing(struct kvm *kvm);
+
+#else
+
+static inline void kvm_free_irq_routing(struct kvm *kvm) {}
+
+#endif
+
 #endif
diff --git a/include/linux/kvm_types.h b/include/linux/kvm_types.h
index 9b6f395c9625..2b8318c83e53 100644
--- a/include/linux/kvm_types.h
+++ b/include/linux/kvm_types.h
@@ -40,17 +40,4 @@ typedef unsigned long  hfn_t;
 
 typedef hfn_t pfn_t;
 
-struct kvm_pio_request {
-        unsigned long count;
-        int cur_count;
-        struct page *guest_pages[2];
-        unsigned guest_page_offset;
-        int in;
-        int port;
-        int size;
-        int string;
-        int down;
-        int rep;
-};
-
 #endif /* __KVM_TYPES_H__ */