[net-next-2.6.git] / include / linux / kvm_host.h

#ifndef __KVM_HOST_H
#define __KVM_HOST_H

/*
 * This work is licensed under the terms of the GNU GPL, version 2.  See
 * the COPYING file in the top-level directory.
 */

#include <linux/types.h>
#include <linux/hardirq.h>
#include <linux/list.h>
#include <linux/mutex.h>
#include <linux/spinlock.h>
#include <linux/signal.h>
#include <linux/sched.h>
#include <linux/mm.h>
#include <linux/preempt.h>
#include <linux/marker.h>
#include <linux/msi.h>
#include <asm/signal.h>

#include <linux/kvm.h>
#include <linux/kvm_para.h>

#include <linux/kvm_types.h>

#include <asm/kvm_host.h>

/*
 * 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
#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_REQ_KICK               9

#define KVM_USERSPACE_IRQ_SOURCE_ID	0

struct kvm;
struct kvm_vcpu;
extern struct kmem_cache *kvm_vcpu_cache;

/*
 * It would be nice to use something smarter than a linear search, TBD...
 * Thankfully we dont expect many devices to register (famous last words :),
 * so until then it will suffice.  At least its abstracted so we can change
 * in one place.
 */
struct kvm_io_bus {
	int                   dev_count;
#define NR_IOBUS_DEVS 6
	struct kvm_io_device *devs[NR_IOBUS_DEVS];
};

void kvm_io_bus_init(struct kvm_io_bus *bus);
void kvm_io_bus_destroy(struct kvm_io_bus *bus);
struct kvm_io_device *kvm_io_bus_find_dev(struct kvm_io_bus *bus,
					  gpa_t addr, int len, int is_write);
void __kvm_io_bus_register_dev(struct kvm_io_bus *bus,
			       struct kvm_io_device *dev);
void kvm_io_bus_register_dev(struct kvm *kvm, struct kvm_io_bus *bus,
			     struct kvm_io_device *dev);

struct kvm_vcpu {
	struct kvm *kvm;
#ifdef CONFIG_PREEMPT_NOTIFIERS
	struct preempt_notifier preempt_notifier;
#endif
	int vcpu_id;
	struct mutex mutex;
	int   cpu;
	struct kvm_run *run;
	unsigned long requests;
	unsigned long guest_debug;
	int fpu_active;
	int guest_fpu_loaded;
	wait_queue_head_t wq;
	int sigset_active;
	sigset_t sigset;
	struct kvm_vcpu_stat stat;

#ifdef CONFIG_HAS_IOMEM
	int mmio_needed;
	int mmio_read_completed;
	int mmio_is_write;
	int mmio_size;
	unsigned char mmio_data[8];
	gpa_t mmio_phys_addr;
#endif

	struct kvm_vcpu_arch arch;
};

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 userspace_addr;
	int user_alloc;
};

struct kvm_kernel_irq_routing_entry {
	u32 gsi;
	u32 type;
	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 {
	spinlock_t mmu_lock;
	spinlock_t requests_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];
#ifdef CONFIG_KVM_APIC_ARCHITECTURE
	u32 bsp_vcpu_id;
	struct kvm_vcpu *bsp_vcpu;
#endif
	struct kvm_vcpu *vcpus[KVM_MAX_VCPUS];
	atomic_t online_vcpus;
	struct list_head vm_list;
	struct mutex lock;
	struct kvm_io_bus mmio_bus;
	struct kvm_io_bus pio_bus;
#ifdef CONFIG_HAVE_KVM_EVENTFD
	struct {
		spinlock_t        lock;
		struct list_head  items;
	} irqfds;
#endif
	struct kvm_vm_stat stat;
	struct kvm_arch arch;
	atomic_t users_count;
#ifdef KVM_COALESCED_MMIO_PAGE_OFFSET
	struct kvm_coalesced_mmio_dev *coalesced_mmio_dev;
	struct kvm_coalesced_mmio_ring *coalesced_mmio_ring;
#endif

	struct mutex irq_lock;
#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;
	long mmu_notifier_count;
#endif
};

/* The guest did something we don't support. */
#define pr_unimpl(vcpu, fmt, ...)					\
 do {									\
	if (printk_ratelimit())						\
		printk(KERN_ERR "kvm: %i: cpu%i " fmt,			\
		       current->tgid, (vcpu)->vcpu_id , ## __VA_ARGS__); \
 } while (0)

#define kvm_printf(kvm, fmt ...) printk(KERN_DEBUG fmt)
#define vcpu_printf(vcpu, fmt...) kvm_printf(vcpu->kvm, fmt)

static inline struct kvm_vcpu *kvm_get_vcpu(struct kvm *kvm, int i)
{
	smp_rmb();
	return kvm->vcpus[i];
}

#define kvm_for_each_vcpu(idx, vcpup, kvm) \
	for (idx = 0, vcpup = kvm_get_vcpu(kvm, idx); \
	     idx < atomic_read(&kvm->online_vcpus) && vcpup; \
	     vcpup = kvm_get_vcpu(kvm, ++idx))

int kvm_vcpu_init(struct kvm_vcpu *vcpu, struct kvm *kvm, unsigned id);
void kvm_vcpu_uninit(struct kvm_vcpu *vcpu);

void vcpu_load(struct kvm_vcpu *vcpu);
void vcpu_put(struct kvm_vcpu *vcpu);

int kvm_init(void *opaque, unsigned int vcpu_size,
		  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);
int __kvm_set_memory_region(struct kvm *kvm,
			    struct kvm_userspace_memory_region *mem,
			    int user_alloc);
int kvm_arch_set_memory_region(struct kvm *kvm,
				struct kvm_userspace_memory_region *mem,
				struct kvm_memory_slot old,
				int user_alloc);
void kvm_disable_largepages(void);
void kvm_arch_flush_shadow(struct kvm *kvm);
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);
int kvm_write_guest(struct kvm *kvm, gpa_t gpa, const void *data,
		    unsigned long len);
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);
void mark_page_dirty(struct kvm *kvm, gfn_t gfn);

void kvm_vcpu_block(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);

long kvm_arch_dev_ioctl(struct file *filp,
			unsigned int ioctl, unsigned long arg);
long kvm_arch_vcpu_ioctl(struct file *filp,
			 unsigned int ioctl, unsigned long arg);

int kvm_dev_ioctl_check_extension(long ext);

int kvm_get_dirty_log(struct kvm *kvm,
			struct kvm_dirty_log *log, int *is_dirty);
int kvm_vm_ioctl_get_dirty_log(struct kvm *kvm,
				struct kvm_dirty_log *log);

int kvm_vm_ioctl_set_memory_region(struct kvm *kvm,
				   struct
				   kvm_userspace_memory_region *mem,
				   int user_alloc);
long kvm_arch_vm_ioctl(struct file *filp,
		       unsigned int ioctl, unsigned long arg);

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);

int kvm_arch_vcpu_ioctl_translate(struct kvm_vcpu *vcpu,
				    struct kvm_translation *tr);

int kvm_arch_vcpu_ioctl_get_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs);
int kvm_arch_vcpu_ioctl_set_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs);
int kvm_arch_vcpu_ioctl_get_sregs(struct kvm_vcpu *vcpu,
				  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_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);
void kvm_arch_exit(void);

int kvm_arch_vcpu_init(struct kvm_vcpu *vcpu);
void kvm_arch_vcpu_uninit(struct kvm_vcpu *vcpu);

void kvm_arch_vcpu_free(struct kvm_vcpu *vcpu);
void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu);
void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu);
struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm, unsigned int id);
int kvm_arch_vcpu_setup(struct kvm_vcpu *vcpu);
void kvm_arch_vcpu_destroy(struct kvm_vcpu *vcpu);

int kvm_arch_vcpu_reset(struct kvm_vcpu *vcpu);
void kvm_arch_hardware_enable(void *garbage);
void kvm_arch_hardware_disable(void *garbage);
int kvm_arch_hardware_setup(void);
void kvm_arch_hardware_unsetup(void);
void kvm_arch_check_processor_compat(void *rtn);
int kvm_arch_vcpu_runnable(struct kvm_vcpu *vcpu);
int kvm_arch_interrupt_allowed(struct kvm_vcpu *vcpu);

void kvm_free_physmem(struct kvm *kvm);

struct  kvm *kvm_arch_create_vm(void);
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);

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);

int kvm_is_mmio_pfn(pfn_t pfn);

struct kvm_irq_ack_notifier {
	struct hlist_node link;
	unsigned gsi;
	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_busnr;
	int host_devfn;
	unsigned int entries_nr;
	int host_irq;
	bool host_irq_disabled;
	struct msix_entry *host_msix_entries;
	int guest_irq;
	struct kvm_guest_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;
};

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 *kvm,
				   struct kvm_irq_ack_notifier *kian);
int kvm_request_irq_source_id(struct kvm *kvm);
void kvm_free_irq_source_id(struct kvm *kvm, int irq_source_id);

/* For vcpu->arch.iommu_flags */
#define KVM_IOMMU_CACHE_COHERENCY	0x1

#ifdef CONFIG_IOMMU_API
int kvm_iommu_map_pages(struct kvm *kvm, gfn_t base_gfn,
			unsigned long npages);
int kvm_iommu_map_guest(struct kvm *kvm);
int kvm_iommu_unmap_guest(struct kvm *kvm);
int kvm_assign_device(struct kvm *kvm,
		      struct kvm_assigned_dev_kernel *assigned_dev);
int kvm_deassign_device(struct kvm *kvm,
			struct kvm_assigned_dev_kernel *assigned_dev);
#else /* CONFIG_IOMMU_API */
static inline int kvm_iommu_map_pages(struct kvm *kvm,
				      gfn_t base_gfn,
				      unsigned long npages)
{
	return 0;
}

static inline int kvm_iommu_map_guest(struct kvm *kvm)
{
	return -ENODEV;
}

static inline int kvm_iommu_unmap_guest(struct kvm *kvm)
{
	return 0;
}

static inline int kvm_assign_device(struct kvm *kvm,
		struct kvm_assigned_dev_kernel *assigned_dev)
{
	return 0;
}

static inline int kvm_deassign_device(struct kvm *kvm,
		struct kvm_assigned_dev_kernel *assigned_dev)
{
	return 0;
}
#endif /* CONFIG_IOMMU_API */

static inline void kvm_guest_enter(void)
{
	account_system_vtime(current);
	current->flags |= PF_VCPU;
}

static inline void kvm_guest_exit(void)
{
	account_system_vtime(current);
	current->flags &= ~PF_VCPU;
}

static inline int memslot_id(struct kvm *kvm, struct kvm_memory_slot *slot)
{
	return slot - kvm->memslots;
}

static inline gpa_t gfn_to_gpa(gfn_t gfn)
{
	return (gpa_t)gfn << PAGE_SHIFT;
}

static inline hpa_t pfn_to_hpa(pfn_t pfn)
{
	return (hpa_t)pfn << PAGE_SHIFT;
}

static inline void kvm_migrate_timers(struct kvm_vcpu *vcpu)
{
	set_bit(KVM_REQ_MIGRATE_TIMER, &vcpu->requests);
}

enum kvm_stat_kind {
	KVM_STAT_VM,
	KVM_STAT_VCPU,
};

struct kvm_stats_debugfs_item {
	const char *name;
	int offset;
	enum kvm_stat_kind kind;
	struct dentry *dentry;
};
extern struct kvm_stats_debugfs_item debugfs_entries[];
extern struct dentry *kvm_debugfs_dir;

#ifdef KVM_ARCH_WANT_MMU_NOTIFIER
static inline int mmu_notifier_retry(struct kvm_vcpu *vcpu, unsigned long mmu_seq)
{
	if (unlikely(vcpu->kvm->mmu_notifier_count))
		return 1;
	/*
	 * Both reads happen under the mmu_lock and both values are
	 * modified under mmu_lock, so there's no need of smb_rmb()
	 * here in between, otherwise mmu_notifier_count should be
	 * read before mmu_notifier_seq, see
	 * mmu_notifier_invalidate_range_end write side.
	 */
	if (vcpu->kvm->mmu_notifier_seq != mmu_seq)
		return 1;
	return 0;
}
#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

#ifdef CONFIG_HAVE_KVM_EVENTFD

void kvm_irqfd_init(struct kvm *kvm);
int kvm_irqfd(struct kvm *kvm, int fd, int gsi, int flags);
void kvm_irqfd_release(struct kvm *kvm);

#else

static inline void kvm_irqfd_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) {}

#endif /* CONFIG_HAVE_KVM_EVENTFD */

#ifdef CONFIG_KVM_APIC_ARCHITECTURE
static inline bool kvm_vcpu_is_bsp(struct kvm_vcpu *vcpu)
{
	return vcpu->kvm->bsp_vcpu_id == vcpu->vcpu_id;
}
#endif
#endif
Commit	Line	Data
edf88417 AK	1	#ifndef __KVM_HOST_H
edf88417 AK	2	#define __KVM_HOST_H
6aa8b732 AK	3
	4	/*
	5	* This work is licensed under the terms of the GNU GPL, version 2. See
	6	* the COPYING file in the top-level directory.
	7	*/
	8
	9	#include <linux/types.h>
e56a7a28	10	#include <linux/hardirq.h>
6aa8b732 AK	11	#include <linux/list.h>
	12	#include <linux/mutex.h>
	13	#include <linux/spinlock.h>
06ff0d37 MR	14	#include <linux/signal.h>
06ff0d37 MR	15	#include <linux/sched.h>
6aa8b732	16	#include <linux/mm.h>
15ad7146	17	#include <linux/preempt.h>
d4c9ff2d	18	#include <linux/marker.h>
0937c48d	19	#include <linux/msi.h>
e8edc6e0	20	#include <asm/signal.h>
6aa8b732	21
6aa8b732	22	#include <linux/kvm.h>
102d8325	23	#include <linux/kvm_para.h>
6aa8b732	24
edf88417	25	#include <linux/kvm_types.h>
d77a39d9	26
edf88417	27	#include <asm/kvm_host.h>
d657a98e	28
d9e368d6 AK	29	/*
	30	* vcpu->requests bit members
	31	*/
3176bc3e	32	#define KVM_REQ_TLB_FLUSH 0
2f52d58c	33	#define KVM_REQ_MIGRATE_TIMER 1
b209749f	34	#define KVM_REQ_REPORT_TPR_ACCESS 2
2e53d63a	35	#define KVM_REQ_MMU_RELOAD 3
71c4dfaf	36	#define KVM_REQ_TRIPLE_FAULT 4
06e05645	37	#define KVM_REQ_PENDING_TIMER 5
d7690175	38	#define KVM_REQ_UNHALT 6
4731d4c7	39	#define KVM_REQ_MMU_SYNC 7
c8076604	40	#define KVM_REQ_KVMCLOCK_UPDATE 8
32f88400	41	#define KVM_REQ_KICK 9
6aa8b732	42
5550af4d SY	43	#define KVM_USERSPACE_IRQ_SOURCE_ID 0
5550af4d SY	44
6c474694	45	struct kvm;
6aa8b732	46	struct kvm_vcpu;
c16f862d	47	extern struct kmem_cache *kvm_vcpu_cache;
6aa8b732	48
2eeb2e94 GH	49	/*
	50	* It would be nice to use something smarter than a linear search, TBD...
	51	* Thankfully we dont expect many devices to register (famous last words :),
	52	* so until then it will suffice. At least its abstracted so we can change
	53	* in one place.
	54	*/
	55	struct kvm_io_bus {
	56	int dev_count;
	57	#define NR_IOBUS_DEVS 6
	58	struct kvm_io_device *devs[NR_IOBUS_DEVS];
	59	};
	60
	61	void kvm_io_bus_init(struct kvm_io_bus *bus);
	62	void kvm_io_bus_destroy(struct kvm_io_bus *bus);
92760499 LV	63	struct kvm_io_device kvm_io_bus_find_dev(struct kvm_io_bus bus,
92760499 LV	64	gpa_t addr, int len, int is_write);
6c474694 MT	65	void __kvm_io_bus_register_dev(struct kvm_io_bus *bus,
	66	struct kvm_io_device *dev);
	67	void kvm_io_bus_register_dev(struct kvm kvm, struct kvm_io_bus bus,
2eeb2e94 GH	68	struct kvm_io_device *dev);
2eeb2e94 GH	69
d17fbbf7 ZX	70	struct kvm_vcpu {
d17fbbf7 ZX	71	struct kvm *kvm;
31bb117e	72	#ifdef CONFIG_PREEMPT_NOTIFIERS
d17fbbf7	73	struct preempt_notifier preempt_notifier;
31bb117e	74	#endif
d17fbbf7 ZX	75	int vcpu_id;
	76	struct mutex mutex;
	77	int cpu;
	78	struct kvm_run *run;
d17fbbf7	79	unsigned long requests;
d0bfb940	80	unsigned long guest_debug;
d17fbbf7 ZX	81	int fpu_active;
	82	int guest_fpu_loaded;
	83	wait_queue_head_t wq;
	84	int sigset_active;
	85	sigset_t sigset;
	86	struct kvm_vcpu_stat stat;
	87
34c16eec	88	#ifdef CONFIG_HAS_IOMEM
d17fbbf7 ZX	89	int mmio_needed;
	90	int mmio_read_completed;
	91	int mmio_is_write;
	92	int mmio_size;
	93	unsigned char mmio_data[8];
6aa8b732	94	gpa_t mmio_phys_addr;
34c16eec	95	#endif
1165f5fe	96
d657a98e ZX	97	struct kvm_vcpu_arch arch;
	98	};
	99
6aa8b732 AK	100	struct kvm_memory_slot {
	101	gfn_t base_gfn;
	102	unsigned long npages;
	103	unsigned long flags;
290fc38d	104	unsigned long *rmap;
6aa8b732	105	unsigned long *dirty_bitmap;
05da4558 MT	106	struct {
	107	unsigned long rmap_pde;
	108	int write_count;
ec04b260	109	} *lpage_info[KVM_NR_PAGE_SIZES - 1];
8a7ae055	110	unsigned long userspace_addr;
80b14b5b	111	int user_alloc;
6aa8b732 AK	112	};
6aa8b732 AK	113
399ec807 AK	114	struct kvm_kernel_irq_routing_entry {
399ec807 AK	115	u32 gsi;
5116d8f6	116	u32 type;
4925663a	117	int (set)(struct kvm_kernel_irq_routing_entry e,
399ec807 AK	118	struct kvm *kvm, int level);
	119	union {
	120	struct {
	121	unsigned irqchip;
	122	unsigned pin;
	123	} irqchip;
79950e10	124	struct msi_msg msi;
399ec807 AK	125	};
	126	struct list_head link;
	127	};
	128
6aa8b732	129	struct kvm {
aaee2c94	130	spinlock_t mmu_lock;
84261923	131	spinlock_t requests_lock;
72dc67a6	132	struct rw_semaphore slots_lock;
6d4e4c4f	133	struct mm_struct mm; / userspace tied to this vm */
6aa8b732	134	int nmemslots;
e0d62c7f IE	135	struct kvm_memory_slot memslots[KVM_MEMORY_SLOTS +
e0d62c7f IE	136	KVM_PRIVATE_MEM_SLOTS];
73880c80 GN	137	#ifdef CONFIG_KVM_APIC_ARCHITECTURE
73880c80 GN	138	u32 bsp_vcpu_id;
c5af89b6	139	struct kvm_vcpu *bsp_vcpu;
73880c80	140	#endif
fb3f0f51	141	struct kvm_vcpu *vcpus[KVM_MAX_VCPUS];
73880c80	142	atomic_t online_vcpus;
133de902	143	struct list_head vm_list;
60eead79	144	struct mutex lock;
2eeb2e94	145	struct kvm_io_bus mmio_bus;
74906345	146	struct kvm_io_bus pio_bus;
721eecbf GH	147	#ifdef CONFIG_HAVE_KVM_EVENTFD
	148	struct {
	149	spinlock_t lock;
	150	struct list_head items;
	151	} irqfds;
	152	#endif
ba1389b7	153	struct kvm_vm_stat stat;
d69fb81f	154	struct kvm_arch arch;
d39f13b0	155	atomic_t users_count;
5f94c174 LV	156	#ifdef KVM_COALESCED_MMIO_PAGE_OFFSET
	157	struct kvm_coalesced_mmio_dev *coalesced_mmio_dev;
	158	struct kvm_coalesced_mmio_ring *coalesced_mmio_ring;
	159	#endif
e930bffe	160
60eead79	161	struct mutex irq_lock;
75858a84	162	#ifdef CONFIG_HAVE_KVM_IRQCHIP
399ec807	163	struct list_head irq_routing; /* of kvm_kernel_irq_routing_entry */
75858a84 AK	164	struct hlist_head mask_notifier_list;
	165	#endif
	166
e930bffe AA	167	#ifdef KVM_ARCH_WANT_MMU_NOTIFIER
	168	struct mmu_notifier mmu_notifier;
	169	unsigned long mmu_notifier_seq;
	170	long mmu_notifier_count;
	171	#endif
6aa8b732 AK	172	};
6aa8b732 AK	173
f0242478 RR	174	/* The guest did something we don't support. */
	175	#define pr_unimpl(vcpu, fmt, ...) \
	176	do { \
	177	if (printk_ratelimit()) \
	178	printk(KERN_ERR "kvm: %i: cpu%i " fmt, \
	179	current->tgid, (vcpu)->vcpu_id , ## __VA_ARGS__); \
d77c26fc	180	} while (0)
f0242478	181
6aa8b732 AK	182	#define kvm_printf(kvm, fmt ...) printk(KERN_DEBUG fmt)
	183	#define vcpu_printf(vcpu, fmt...) kvm_printf(vcpu->kvm, fmt)
	184
988a2cae GN	185	static inline struct kvm_vcpu kvm_get_vcpu(struct kvm kvm, int i)
	186	{
	187	smp_rmb();
	188	return kvm->vcpus[i];
	189	}
	190
	191	#define kvm_for_each_vcpu(idx, vcpup, kvm) \
	192	for (idx = 0, vcpup = kvm_get_vcpu(kvm, idx); \
	193	idx < atomic_read(&kvm->online_vcpus) && vcpup; \
	194	vcpup = kvm_get_vcpu(kvm, ++idx))
	195
fb3f0f51 RR	196	int kvm_vcpu_init(struct kvm_vcpu vcpu, struct kvm kvm, unsigned id);
	197	void kvm_vcpu_uninit(struct kvm_vcpu *vcpu);
	198
313a3dc7 CO	199	void vcpu_load(struct kvm_vcpu *vcpu);
	200	void vcpu_put(struct kvm_vcpu *vcpu);
	201
f8c16bba	202	int kvm_init(void *opaque, unsigned int vcpu_size,
c16f862d	203	struct module *module);
cb498ea2	204	void kvm_exit(void);
6aa8b732	205
d39f13b0 IE	206	void kvm_get_kvm(struct kvm *kvm);
	207	void kvm_put_kvm(struct kvm *kvm);
	208
6aa8b732 AK	209	#define HPA_MSB ((sizeof(hpa_t) * 8) - 1)
	210	#define HPA_ERR_MASK ((hpa_t)1 << HPA_MSB)
	211	static inline int is_error_hpa(hpa_t hpa) { return hpa >> HPA_MSB; }
039576c0	212	struct page gva_to_page(struct kvm_vcpu vcpu, gva_t gva);
6aa8b732	213
cea7bb21	214	extern struct page *bad_page;
35149e21	215	extern pfn_t bad_pfn;
6aa8b732	216
cea7bb21	217	int is_error_page(struct page *page);
35149e21	218	int is_error_pfn(pfn_t pfn);
f9d46eb0	219	int kvm_is_error_hva(unsigned long addr);
210c7c4d IE	220	int kvm_set_memory_region(struct kvm *kvm,
	221	struct kvm_userspace_memory_region *mem,
	222	int user_alloc);
f78e0e2e SY	223	int __kvm_set_memory_region(struct kvm *kvm,
	224	struct kvm_userspace_memory_region *mem,
	225	int user_alloc);
0de10343 ZX	226	int kvm_arch_set_memory_region(struct kvm *kvm,
	227	struct kvm_userspace_memory_region *mem,
	228	struct kvm_memory_slot old,
	229	int user_alloc);
54dee993	230	void kvm_disable_largepages(void);
34d4cb8f	231	void kvm_arch_flush_shadow(struct kvm *kvm);
290fc38d	232	gfn_t unalias_gfn(struct kvm *kvm, gfn_t gfn);
954bbbc2	233	struct page gfn_to_page(struct kvm kvm, gfn_t gfn);
05da4558	234	unsigned long gfn_to_hva(struct kvm *kvm, gfn_t gfn);
b4231d61 IE	235	void kvm_release_page_clean(struct page *page);
b4231d61 IE	236	void kvm_release_page_dirty(struct page *page);
35149e21 AL	237	void kvm_set_page_dirty(struct page *page);
	238	void kvm_set_page_accessed(struct page *page);
	239
	240	pfn_t gfn_to_pfn(struct kvm *kvm, gfn_t gfn);
	241	void kvm_release_pfn_dirty(pfn_t);
	242	void kvm_release_pfn_clean(pfn_t pfn);
	243	void kvm_set_pfn_dirty(pfn_t pfn);
	244	void kvm_set_pfn_accessed(pfn_t pfn);
	245	void kvm_get_pfn(pfn_t pfn);
	246
195aefde IE	247	int kvm_read_guest_page(struct kvm kvm, gfn_t gfn, void data, int offset,
195aefde IE	248	int len);
7ec54588 MT	249	int kvm_read_guest_atomic(struct kvm kvm, gpa_t gpa, void data,
7ec54588 MT	250	unsigned long len);
195aefde IE	251	int kvm_read_guest(struct kvm kvm, gpa_t gpa, void data, unsigned long len);
	252	int kvm_write_guest_page(struct kvm kvm, gfn_t gfn, const void data,
	253	int offset, int len);
	254	int kvm_write_guest(struct kvm kvm, gpa_t gpa, const void data,
	255	unsigned long len);
	256	int kvm_clear_guest_page(struct kvm *kvm, gfn_t gfn, int offset, int len);
	257	int kvm_clear_guest(struct kvm *kvm, gpa_t gpa, unsigned long len);
6aa8b732	258	struct kvm_memory_slot gfn_to_memslot(struct kvm kvm, gfn_t gfn);
e0d62c7f	259	int kvm_is_visible_gfn(struct kvm *kvm, gfn_t gfn);
6aa8b732 AK	260	void mark_page_dirty(struct kvm *kvm, gfn_t gfn);
6aa8b732 AK	261
8776e519	262	void kvm_vcpu_block(struct kvm_vcpu *vcpu);
6aa8b732	263	void kvm_resched(struct kvm_vcpu *vcpu);
7702fd1f AK	264	void kvm_load_guest_fpu(struct kvm_vcpu *vcpu);
7702fd1f AK	265	void kvm_put_guest_fpu(struct kvm_vcpu *vcpu);
d9e368d6	266	void kvm_flush_remote_tlbs(struct kvm *kvm);
2e53d63a	267	void kvm_reload_remote_mmus(struct kvm *kvm);
6aa8b732	268
043405e1 CO	269	long kvm_arch_dev_ioctl(struct file *filp,
043405e1 CO	270	unsigned int ioctl, unsigned long arg);
313a3dc7 CO	271	long kvm_arch_vcpu_ioctl(struct file *filp,
313a3dc7 CO	272	unsigned int ioctl, unsigned long arg);
018d00d2 ZX	273
	274	int kvm_dev_ioctl_check_extension(long ext);
	275
5bb064dc ZX	276	int kvm_get_dirty_log(struct kvm *kvm,
	277	struct kvm_dirty_log log, int is_dirty);
	278	int kvm_vm_ioctl_get_dirty_log(struct kvm *kvm,
	279	struct kvm_dirty_log *log);
	280
1fe779f8 CO	281	int kvm_vm_ioctl_set_memory_region(struct kvm *kvm,
	282	struct
	283	kvm_userspace_memory_region *mem,
	284	int user_alloc);
	285	long kvm_arch_vm_ioctl(struct file *filp,
	286	unsigned int ioctl, unsigned long arg);
313a3dc7	287
d0752060 HB	288	int kvm_arch_vcpu_ioctl_get_fpu(struct kvm_vcpu vcpu, struct kvm_fpu fpu);
	289	int kvm_arch_vcpu_ioctl_set_fpu(struct kvm_vcpu vcpu, struct kvm_fpu fpu);
	290
8b006791 ZX	291	int kvm_arch_vcpu_ioctl_translate(struct kvm_vcpu *vcpu,
	292	struct kvm_translation *tr);
	293
b6c7a5dc HB	294	int kvm_arch_vcpu_ioctl_get_regs(struct kvm_vcpu vcpu, struct kvm_regs regs);
	295	int kvm_arch_vcpu_ioctl_set_regs(struct kvm_vcpu vcpu, struct kvm_regs regs);
	296	int kvm_arch_vcpu_ioctl_get_sregs(struct kvm_vcpu *vcpu,
	297	struct kvm_sregs *sregs);
	298	int kvm_arch_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu,
	299	struct kvm_sregs *sregs);
62d9f0db MT	300	int kvm_arch_vcpu_ioctl_get_mpstate(struct kvm_vcpu *vcpu,
	301	struct kvm_mp_state *mp_state);
	302	int kvm_arch_vcpu_ioctl_set_mpstate(struct kvm_vcpu *vcpu,
	303	struct kvm_mp_state *mp_state);
d0bfb940 JK	304	int kvm_arch_vcpu_ioctl_set_guest_debug(struct kvm_vcpu *vcpu,
d0bfb940 JK	305	struct kvm_guest_debug *dbg);
b6c7a5dc HB	306	int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu vcpu, struct kvm_run kvm_run);
b6c7a5dc HB	307
f8c16bba ZX	308	int kvm_arch_init(void *opaque);
f8c16bba ZX	309	void kvm_arch_exit(void);
043405e1	310
e9b11c17 ZX	311	int kvm_arch_vcpu_init(struct kvm_vcpu *vcpu);
	312	void kvm_arch_vcpu_uninit(struct kvm_vcpu *vcpu);
	313
	314	void kvm_arch_vcpu_free(struct kvm_vcpu *vcpu);
	315	void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu);
	316	void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu);
	317	struct kvm_vcpu kvm_arch_vcpu_create(struct kvm kvm, unsigned int id);
26e5215f	318	int kvm_arch_vcpu_setup(struct kvm_vcpu *vcpu);
d40ccc62	319	void kvm_arch_vcpu_destroy(struct kvm_vcpu *vcpu);
e9b11c17 ZX	320
	321	int kvm_arch_vcpu_reset(struct kvm_vcpu *vcpu);
	322	void kvm_arch_hardware_enable(void *garbage);
	323	void kvm_arch_hardware_disable(void *garbage);
	324	int kvm_arch_hardware_setup(void);
	325	void kvm_arch_hardware_unsetup(void);
	326	void kvm_arch_check_processor_compat(void *rtn);
1d737c8a	327	int kvm_arch_vcpu_runnable(struct kvm_vcpu *vcpu);
78646121	328	int kvm_arch_interrupt_allowed(struct kvm_vcpu *vcpu);
e9b11c17	329
d19a9cd2 ZX	330	void kvm_free_physmem(struct kvm *kvm);
	331
	332	struct kvm *kvm_arch_create_vm(void);
	333	void kvm_arch_destroy_vm(struct kvm *kvm);
8a98f664	334	void kvm_free_all_assigned_devices(struct kvm *kvm);
ad8ba2cd	335	void kvm_arch_sync_events(struct kvm *kvm);
e9b11c17	336
682c59a3 ZX	337	int kvm_cpu_get_interrupt(struct kvm_vcpu *v);
682c59a3 ZX	338	int kvm_cpu_has_interrupt(struct kvm_vcpu *v);
3d80840d	339	int kvm_cpu_has_pending_timer(struct kvm_vcpu *vcpu);
5736199a	340	void kvm_vcpu_kick(struct kvm_vcpu *vcpu);
682c59a3	341
c77fb9dc XZ	342	int kvm_is_mmio_pfn(pfn_t pfn);
c77fb9dc XZ	343
62c476c7 BAY	344	struct kvm_irq_ack_notifier {
	345	struct hlist_node link;
	346	unsigned gsi;
	347	void (irq_acked)(struct kvm_irq_ack_notifier kian);
	348	};
	349
2350bd1f	350	#define KVM_ASSIGNED_MSIX_PENDING 0x1
c1e01514 SY	351	struct kvm_guest_msix_entry {
	352	u32 vector;
	353	u16 entry;
	354	u16 flags;
	355	};
	356
62c476c7 BAY	357	struct kvm_assigned_dev_kernel {
	358	struct kvm_irq_ack_notifier ack_notifier;
	359	struct work_struct interrupt_work;
	360	struct list_head list;
	361	int assigned_dev_id;
	362	int host_busnr;
	363	int host_devfn;
c1e01514	364	unsigned int entries_nr;
62c476c7	365	int host_irq;
defaf158	366	bool host_irq_disabled;
c1e01514	367	struct msix_entry *host_msix_entries;
62c476c7	368	int guest_irq;
c1e01514	369	struct kvm_guest_msix_entry *guest_msix_entries;
4f906c19	370	unsigned long irq_requested_type;
5550af4d	371	int irq_source_id;
b653574a	372	int flags;
62c476c7 BAY	373	struct pci_dev *dev;
62c476c7 BAY	374	struct kvm *kvm;
547de29e	375	spinlock_t assigned_dev_lock;
62c476c7	376	};
75858a84 AK	377
	378	struct kvm_irq_mask_notifier {
	379	void (func)(struct kvm_irq_mask_notifier kimn, bool masked);
	380	int irq;
	381	struct hlist_node link;
	382	};
	383
	384	void kvm_register_irq_mask_notifier(struct kvm *kvm, int irq,
	385	struct kvm_irq_mask_notifier *kimn);
	386	void kvm_unregister_irq_mask_notifier(struct kvm *kvm, int irq,
	387	struct kvm_irq_mask_notifier *kimn);
	388	void kvm_fire_mask_notifiers(struct kvm *kvm, int irq, bool mask);
	389
4925663a	390	int kvm_set_irq(struct kvm *kvm, int irq_source_id, int irq, int level);
44882eed	391	void kvm_notify_acked_irq(struct kvm *kvm, unsigned irqchip, unsigned pin);
3de42dc0 XZ	392	void kvm_register_irq_ack_notifier(struct kvm *kvm,
3de42dc0 XZ	393	struct kvm_irq_ack_notifier *kian);
fa40a821 MT	394	void kvm_unregister_irq_ack_notifier(struct kvm *kvm,
fa40a821 MT	395	struct kvm_irq_ack_notifier *kian);
5550af4d SY	396	int kvm_request_irq_source_id(struct kvm *kvm);
5550af4d SY	397	void kvm_free_irq_source_id(struct kvm *kvm, int irq_source_id);
62c476c7	398
522c68c4 SY	399	/* For vcpu->arch.iommu_flags */
	400	#define KVM_IOMMU_CACHE_COHERENCY 0x1
	401
19de40a8	402	#ifdef CONFIG_IOMMU_API
62c476c7 BAY	403	int kvm_iommu_map_pages(struct kvm *kvm, gfn_t base_gfn,
62c476c7 BAY	404	unsigned long npages);
260782bc	405	int kvm_iommu_map_guest(struct kvm *kvm);
62c476c7	406	int kvm_iommu_unmap_guest(struct kvm *kvm);
260782bc WH	407	int kvm_assign_device(struct kvm *kvm,
260782bc WH	408	struct kvm_assigned_dev_kernel *assigned_dev);
0a920356 WH	409	int kvm_deassign_device(struct kvm *kvm,
0a920356 WH	410	struct kvm_assigned_dev_kernel *assigned_dev);
19de40a8	411	#else /* CONFIG_IOMMU_API */
62c476c7 BAY	412	static inline int kvm_iommu_map_pages(struct kvm *kvm,
	413	gfn_t base_gfn,
	414	unsigned long npages)
	415	{
	416	return 0;
	417	}
	418
260782bc	419	static inline int kvm_iommu_map_guest(struct kvm *kvm)
62c476c7 BAY	420	{
	421	return -ENODEV;
	422	}
	423
	424	static inline int kvm_iommu_unmap_guest(struct kvm *kvm)
	425	{
	426	return 0;
	427	}
260782bc WH	428
	429	static inline int kvm_assign_device(struct kvm *kvm,
	430	struct kvm_assigned_dev_kernel *assigned_dev)
	431	{
	432	return 0;
	433	}
0a920356 WH	434
	435	static inline int kvm_deassign_device(struct kvm *kvm,
	436	struct kvm_assigned_dev_kernel *assigned_dev)
	437	{
	438	return 0;
	439	}
19de40a8	440	#endif /* CONFIG_IOMMU_API */
62c476c7	441
d172fcd3 LV	442	static inline void kvm_guest_enter(void)
d172fcd3 LV	443	{
e56a7a28	444	account_system_vtime(current);
d172fcd3 LV	445	current->flags \|= PF_VCPU;
	446	}
	447
	448	static inline void kvm_guest_exit(void)
	449	{
e56a7a28	450	account_system_vtime(current);
d172fcd3 LV	451	current->flags &= ~PF_VCPU;
	452	}
	453
6aa8b732 AK	454	static inline int memslot_id(struct kvm kvm, struct kvm_memory_slot slot)
	455	{
	456	return slot - kvm->memslots;
	457	}
	458
1755fbcc AK	459	static inline gpa_t gfn_to_gpa(gfn_t gfn)
	460	{
	461	return (gpa_t)gfn << PAGE_SHIFT;
	462	}
6aa8b732	463
62c476c7 BAY	464	static inline hpa_t pfn_to_hpa(pfn_t pfn)
	465	{
	466	return (hpa_t)pfn << PAGE_SHIFT;
	467	}
	468
2f599714	469	static inline void kvm_migrate_timers(struct kvm_vcpu *vcpu)
2f52d58c AK	470	{
	471	set_bit(KVM_REQ_MIGRATE_TIMER, &vcpu->requests);
	472	}
	473
ba1389b7 AK	474	enum kvm_stat_kind {
	475	KVM_STAT_VM,
	476	KVM_STAT_VCPU,
	477	};
	478
417bc304 HB	479	struct kvm_stats_debugfs_item {
	480	const char *name;
	481	int offset;
ba1389b7	482	enum kvm_stat_kind kind;
417bc304 HB	483	struct dentry *dentry;
	484	};
	485	extern struct kvm_stats_debugfs_item debugfs_entries[];
76f7c879	486	extern struct dentry *kvm_debugfs_dir;
d4c9ff2d	487
e930bffe AA	488	#ifdef KVM_ARCH_WANT_MMU_NOTIFIER
	489	static inline int mmu_notifier_retry(struct kvm_vcpu *vcpu, unsigned long mmu_seq)
	490	{
	491	if (unlikely(vcpu->kvm->mmu_notifier_count))
	492	return 1;
	493	/*
	494	* Both reads happen under the mmu_lock and both values are
	495	* modified under mmu_lock, so there's no need of smb_rmb()
	496	* here in between, otherwise mmu_notifier_count should be
	497	* read before mmu_notifier_seq, see
	498	* mmu_notifier_invalidate_range_end write side.
	499	*/
	500	if (vcpu->kvm->mmu_notifier_seq != mmu_seq)
	501	return 1;
	502	return 0;
	503	}
	504	#endif
	505
399ec807 AK	506	#ifdef CONFIG_HAVE_KVM_IRQCHIP
	507
	508	#define KVM_MAX_IRQ_ROUTES 1024
	509
	510	int kvm_setup_default_irq_routing(struct kvm *kvm);
	511	int kvm_set_irq_routing(struct kvm *kvm,
	512	const struct kvm_irq_routing_entry *entries,
	513	unsigned nr,
	514	unsigned flags);
	515	void kvm_free_irq_routing(struct kvm *kvm);
	516
	517	#else
	518
	519	static inline void kvm_free_irq_routing(struct kvm *kvm) {}
	520
	521	#endif
	522
721eecbf GH	523	#ifdef CONFIG_HAVE_KVM_EVENTFD
	524
	525	void kvm_irqfd_init(struct kvm *kvm);
	526	int kvm_irqfd(struct kvm *kvm, int fd, int gsi, int flags);
	527	void kvm_irqfd_release(struct kvm *kvm);
	528
	529	#else
	530
	531	static inline void kvm_irqfd_init(struct kvm *kvm) {}
	532	static inline int kvm_irqfd(struct kvm *kvm, int fd, int gsi, int flags)
	533	{
	534	return -EINVAL;
	535	}
	536
	537	static inline void kvm_irqfd_release(struct kvm *kvm) {}
	538
	539	#endif /* CONFIG_HAVE_KVM_EVENTFD */
	540
73880c80	541	#ifdef CONFIG_KVM_APIC_ARCHITECTURE
c5af89b6 GN	542	static inline bool kvm_vcpu_is_bsp(struct kvm_vcpu *vcpu)
c5af89b6 GN	543	{
d3efc8ef	544	return vcpu->kvm->bsp_vcpu_id == vcpu->vcpu_id;
c5af89b6	545	}
6aa8b732	546	#endif
73880c80	547	#endif