#include <linux/mm.h>
#include <linux/preempt.h>
#include <linux/msi.h>
+#include <linux/slab.h>
+#include <linux/rcupdate.h>
#include <asm/signal.h>
#include <linux/kvm.h>
#define KVM_REQ_KICK 9
#define KVM_REQ_DEACTIVATE_FPU 10
#define KVM_REQ_EVENT 11
+#define KVM_REQ_APF_HALT 12
#define KVM_USERSPACE_IRQ_SOURCE_ID 0
int kvm_io_bus_unregister_dev(struct kvm *kvm, enum kvm_bus bus_idx,
struct kvm_io_device *dev);
+#ifdef CONFIG_KVM_ASYNC_PF
+struct kvm_async_pf {
+ struct work_struct work;
+ struct list_head link;
+ struct list_head queue;
+ struct kvm_vcpu *vcpu;
+ struct mm_struct *mm;
+ gva_t gva;
+ unsigned long addr;
+ struct kvm_arch_async_pf arch;
+ struct page *page;
+ bool done;
+};
+
+void kvm_clear_async_pf_completion_queue(struct kvm_vcpu *vcpu);
+void kvm_check_async_pf_completion(struct kvm_vcpu *vcpu);
+int kvm_setup_async_pf(struct kvm_vcpu *vcpu, gva_t gva, gfn_t gfn,
+ struct kvm_arch_async_pf *arch);
+int kvm_async_pf_wakeup_all(struct kvm_vcpu *vcpu);
+#endif
+
struct kvm_vcpu {
struct kvm *kvm;
#ifdef CONFIG_PREEMPT_NOTIFIERS
gpa_t mmio_phys_addr;
#endif
+#ifdef CONFIG_KVM_ASYNC_PF
+ struct {
+ u32 queued;
+ struct list_head queue;
+ struct list_head done;
+ spinlock_t lock;
+ } async_pf;
+#endif
+
struct kvm_vcpu_arch arch;
};
*/
#define KVM_MEM_MAX_NR_PAGES ((1UL << 31) - 1)
+struct kvm_lpage_info {
+ unsigned long rmap_pde;
+ int write_count;
+};
+
struct kvm_memory_slot {
gfn_t base_gfn;
unsigned long npages;
unsigned long flags;
unsigned long *rmap;
unsigned long *dirty_bitmap;
- struct {
- unsigned long rmap_pde;
- int write_count;
- } *lpage_info[KVM_NR_PAGE_SIZES - 1];
+ unsigned long *dirty_bitmap_head;
+ struct kvm_lpage_info *lpage_info[KVM_NR_PAGE_SIZES - 1];
unsigned long userspace_addr;
int user_alloc;
int id;
struct kvm_memslots {
int nmemslots;
+ u64 generation;
struct kvm_memory_slot memslots[KVM_MEMORY_SLOTS +
KVM_PRIVATE_MEM_SLOTS];
};
struct mutex irq_lock;
#ifdef CONFIG_HAVE_KVM_IRQCHIP
+ /*
+ * Update side is protected by irq_lock and,
+ * if configured, irqfds.lock.
+ */
struct kvm_irq_routing_table __rcu *irq_routing;
struct hlist_head mask_notifier_list;
struct hlist_head irq_ack_notifier_list;
unsigned long mmu_notifier_seq;
long mmu_notifier_count;
#endif
+ long tlbs_dirty;
};
/* The guest did something we don't support. */
pfn_t hva_to_pfn_atomic(struct kvm *kvm, unsigned long addr);
pfn_t gfn_to_pfn_atomic(struct kvm *kvm, gfn_t gfn);
+pfn_t gfn_to_pfn_async(struct kvm *kvm, gfn_t gfn, bool *async,
+ bool write_fault, bool *writable);
pfn_t gfn_to_pfn(struct kvm *kvm, gfn_t gfn);
+pfn_t gfn_to_pfn_prot(struct kvm *kvm, gfn_t gfn, bool write_fault,
+ bool *writable);
pfn_t gfn_to_pfn_memslot(struct kvm *kvm,
struct kvm_memory_slot *slot, gfn_t gfn);
int memslot_id(struct kvm *kvm, gfn_t gfn);
int offset, int len);
int kvm_write_guest(struct kvm *kvm, gpa_t gpa, const void *data,
unsigned long len);
+int kvm_write_guest_cached(struct kvm *kvm, struct gfn_to_hva_cache *ghc,
+ void *data, unsigned long len);
+int kvm_gfn_to_hva_cache_init(struct kvm *kvm, struct gfn_to_hva_cache *ghc,
+ gpa_t gpa);
int kvm_clear_guest_page(struct kvm *kvm, gfn_t gfn, int offset, int len);
int kvm_clear_guest(struct kvm *kvm, gpa_t gpa, unsigned long len);
struct kvm_memory_slot *gfn_to_memslot(struct kvm *kvm, gfn_t gfn);
int kvm_is_visible_gfn(struct kvm *kvm, gfn_t gfn);
unsigned long kvm_host_page_size(struct kvm *kvm, gfn_t gfn);
void mark_page_dirty(struct kvm *kvm, gfn_t gfn);
+void mark_page_dirty_in_slot(struct kvm *kvm, struct kvm_memory_slot *memslot,
+ gfn_t gfn);
void kvm_vcpu_block(struct kvm_vcpu *vcpu);
void kvm_vcpu_on_spin(struct kvm_vcpu *vcpu);
void kvm_resched(struct kvm_vcpu *vcpu);
void kvm_load_guest_fpu(struct kvm_vcpu *vcpu);
void kvm_put_guest_fpu(struct kvm_vcpu *vcpu);
+
void kvm_flush_remote_tlbs(struct kvm *kvm);
void kvm_reload_remote_mmus(struct kvm *kvm);
void kvm_free_physmem(struct kvm *kvm);
-struct kvm *kvm_arch_create_vm(void);
+#ifndef __KVM_HAVE_ARCH_VM_ALLOC
+static inline struct kvm *kvm_arch_alloc_vm(void)
+{
+ return kzalloc(sizeof(struct kvm), GFP_KERNEL);
+}
+
+static inline void kvm_arch_free_vm(struct kvm *kvm)
+{
+ kfree(kvm);
+}
+#endif
+
+int kvm_arch_init_vm(struct kvm *kvm);
void kvm_arch_destroy_vm(struct kvm *kvm);
void kvm_free_all_assigned_devices(struct kvm *kvm);
void kvm_arch_sync_events(struct kvm *kvm);
void (*irq_acked)(struct kvm_irq_ack_notifier *kian);
};
-#define KVM_ASSIGNED_MSIX_PENDING 0x1
-struct kvm_guest_msix_entry {
- u32 vector;
- u16 entry;
- u16 flags;
-};
-
struct kvm_assigned_dev_kernel {
struct kvm_irq_ack_notifier ack_notifier;
- struct work_struct interrupt_work;
struct list_head list;
int assigned_dev_id;
int host_segnr;
bool host_irq_disabled;
struct msix_entry *host_msix_entries;
int guest_irq;
- struct kvm_guest_msix_entry *guest_msix_entries;
+ struct msix_entry *guest_msix_entries;
unsigned long irq_requested_type;
int irq_source_id;
int flags;
struct pci_dev *dev;
struct kvm *kvm;
- spinlock_t assigned_dev_lock;
+ spinlock_t intx_lock;
+ char irq_name[32];
};
struct kvm_irq_mask_notifier {
unsigned long *deliver_bitmask);
#endif
int kvm_set_irq(struct kvm *kvm, int irq_source_id, u32 irq, int level);
+int kvm_set_msi(struct kvm_kernel_irq_routing_entry *irq_entry, struct kvm *kvm,
+ int irq_source_id, 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_eventfd_init(struct kvm *kvm);
int kvm_irqfd(struct kvm *kvm, int fd, int gsi, int flags);
void kvm_irqfd_release(struct kvm *kvm);
+void kvm_irq_routing_update(struct kvm *, struct kvm_irq_routing_table *);
int kvm_ioeventfd(struct kvm *kvm, struct kvm_ioeventfd *args);
#else
static inline void kvm_eventfd_init(struct kvm *kvm) {}
+
static inline int kvm_irqfd(struct kvm *kvm, int fd, int gsi, int flags)
{
return -EINVAL;
}
static inline void kvm_irqfd_release(struct kvm *kvm) {}
+
+#ifdef CONFIG_HAVE_KVM_IRQCHIP
+static inline void kvm_irq_routing_update(struct kvm *kvm,
+ struct kvm_irq_routing_table *irq_rt)
+{
+ rcu_assign_pointer(kvm->irq_routing, irq_rt);
+}
+#endif
+
static inline int kvm_ioeventfd(struct kvm *kvm, struct kvm_ioeventfd *args)
{
return -ENOSYS;
git.openpandora.org / pandora-kernel.git / blobdiff