#include <linux/sched.h>
#include <linux/mm.h>
#include <linux/preempt.h>
+#include <linux/marker.h>
#include <asm/signal.h>
#include <linux/kvm.h>
#include <asm/kvm_host.h>
-#define KVM_MAX_VCPUS 4
-#define KVM_MEMORY_SLOTS 8
-/* memory slots that does not exposed to userspace */
-#define KVM_PRIVATE_MEM_SLOTS 4
-
-#define KVM_PIO_PAGE_OFFSET 1
-
/*
* vcpu->requests bit members
*/
#define KVM_REQ_TLB_FLUSH 0
-
+#define KVM_REQ_MIGRATE_TIMER 1
+#define KVM_REQ_REPORT_TPR_ACCESS 2
+#define KVM_REQ_MMU_RELOAD 3
+#define KVM_REQ_TRIPLE_FAULT 4
struct kvm_vcpu;
extern struct kmem_cache *kvm_vcpu_cache;
-struct kvm_guest_debug {
- int enabled;
- unsigned long bp[4];
- int singlestep;
-};
-
/*
* It would be nice to use something smarter than a linear search, TBD...
* Thankfully we dont expect many devices to register (famous last words :),
struct kvm_vcpu {
struct kvm *kvm;
+#ifdef CONFIG_PREEMPT_NOTIFIERS
struct preempt_notifier preempt_notifier;
+#endif
int vcpu_id;
struct mutex mutex;
int cpu;
unsigned long flags;
unsigned long *rmap;
unsigned long *dirty_bitmap;
+ struct {
+ unsigned long rmap_pde;
+ int write_count;
+ } *lpage_info;
unsigned long userspace_addr;
int user_alloc;
};
struct kvm {
- struct mutex lock; /* protects everything except vcpus */
+ struct mutex lock; /* protects the vcpus array and APIC accesses */
+ spinlock_t mmu_lock;
+ struct rw_semaphore slots_lock;
struct mm_struct *mm; /* userspace tied to this vm */
int nmemslots;
struct kvm_memory_slot memslots[KVM_MEMORY_SLOTS +
KVM_PRIVATE_MEM_SLOTS];
struct kvm_vcpu *vcpus[KVM_MAX_VCPUS];
struct list_head vm_list;
- struct file *filp;
struct kvm_io_bus mmio_bus;
struct kvm_io_bus pio_bus;
struct kvm_vm_stat stat;
struct kvm_arch arch;
+ atomic_t users_count;
};
/* The guest did something we don't support. */
struct module *module);
void kvm_exit(void);
+void kvm_get_kvm(struct kvm *kvm);
+void kvm_put_kvm(struct kvm *kvm);
+
#define HPA_MSB ((sizeof(hpa_t) * 8) - 1)
#define HPA_ERR_MASK ((hpa_t)1 << HPA_MSB)
static inline int is_error_hpa(hpa_t hpa) { return hpa >> HPA_MSB; }
struct page *gva_to_page(struct kvm_vcpu *vcpu, gva_t gva);
extern struct page *bad_page;
+extern pfn_t bad_pfn;
int is_error_page(struct page *page);
+int is_error_pfn(pfn_t pfn);
int kvm_is_error_hva(unsigned long addr);
int kvm_set_memory_region(struct kvm *kvm,
struct kvm_userspace_memory_region *mem,
int user_alloc);
gfn_t unalias_gfn(struct kvm *kvm, gfn_t gfn);
struct page *gfn_to_page(struct kvm *kvm, gfn_t gfn);
+unsigned long gfn_to_hva(struct kvm *kvm, gfn_t gfn);
void kvm_release_page_clean(struct page *page);
void kvm_release_page_dirty(struct page *page);
+void kvm_set_page_dirty(struct page *page);
+void kvm_set_page_accessed(struct page *page);
+
+pfn_t gfn_to_pfn(struct kvm *kvm, gfn_t gfn);
+void kvm_release_pfn_dirty(pfn_t);
+void kvm_release_pfn_clean(pfn_t pfn);
+void kvm_set_pfn_dirty(pfn_t pfn);
+void kvm_set_pfn_accessed(pfn_t pfn);
+void kvm_get_pfn(pfn_t pfn);
+
int kvm_read_guest_page(struct kvm *kvm, gfn_t gfn, void *data, int offset,
int len);
+int kvm_read_guest_atomic(struct kvm *kvm, gpa_t gpa, void *data,
+ unsigned long len);
int kvm_read_guest(struct kvm *kvm, gpa_t gpa, void *data, unsigned long len);
int kvm_write_guest_page(struct kvm *kvm, gfn_t gfn, const void *data,
int offset, int len);
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);
long kvm_arch_dev_ioctl(struct file *filp,
unsigned int ioctl, unsigned long arg);
struct kvm_sregs *sregs);
int kvm_arch_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu,
struct kvm_sregs *sregs);
+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_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run);
int kvm_cpu_get_interrupt(struct kvm_vcpu *v);
int kvm_cpu_has_interrupt(struct kvm_vcpu *v);
+int kvm_cpu_has_pending_timer(struct kvm_vcpu *vcpu);
void kvm_vcpu_kick(struct kvm_vcpu *vcpu);
static inline void kvm_guest_enter(void)
return (gpa_t)gfn << PAGE_SHIFT;
}
+static inline void kvm_migrate_apic_timer(struct kvm_vcpu *vcpu)
+{
+ set_bit(KVM_REQ_MIGRATE_TIMER, &vcpu->requests);
+}
+
enum kvm_stat_kind {
KVM_STAT_VM,
KVM_STAT_VCPU,
struct dentry *dentry;
};
extern struct kvm_stats_debugfs_item debugfs_entries[];
+extern struct dentry *kvm_debugfs_dir;
+
+#ifdef CONFIG_KVM_TRACE
+int kvm_trace_ioctl(unsigned int ioctl, unsigned long arg);
+void kvm_trace_cleanup(void);
+#else
+static inline
+int kvm_trace_ioctl(unsigned int ioctl, unsigned long arg)
+{
+ return -EINVAL;
+}
+#define kvm_trace_cleanup() ((void)0)
+#endif
#endif