really properly move files

1 files changed, 467 insertions, 0 deletions

diff --git a/libdde-linux26/contrib/include/linux/kvm_host.h b/libdde-linux26/contrib/include/linux/kvm_host.h
new file mode 100644
index 00000000..bf6f7036
--- /dev/null
+++ b/libdde-linux26/contrib/include/linux/kvm_host.h
@@ -0,0 +1,467 @@
+#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_USERSPACE_IRQ_SOURCE_ID	0
+
+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);
+
+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;
+	int guest_mode;
+	unsigned long requests;
+	struct kvm_guest_debug 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;
+	unsigned long userspace_addr;
+	int user_alloc;
+};
+
+struct kvm {
+	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 kvm_io_bus mmio_bus;
+	struct kvm_io_bus pio_bus;
+	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
+
+#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)
+
+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_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);
+void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu);
+void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu);
+
+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);
+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);
+
+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_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_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);
+
+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);
+};
+
+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;
+	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)
+#define KVM_ASSIGNED_DEV_HOST_MSI	(1 << 9)
+	unsigned long irq_requested_type;
+	int irq_source_id;
+	int flags;
+	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);
+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);
+int kvm_request_irq_source_id(struct kvm *kvm);
+void kvm_free_irq_source_id(struct kvm *kvm, int irq_source_id);
+
+#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;
+
+#define KVMTRACE_5D(evt, vcpu, d1, d2, d3, d4, d5, name) \
+	trace_mark(kvm_trace_##name, "%u %p %u %u %u %u %u %u", KVM_TRC_##evt, \
+						vcpu, 5, d1, d2, d3, d4, d5)
+#define KVMTRACE_4D(evt, vcpu, d1, d2, d3, d4, name) \
+	trace_mark(kvm_trace_##name, "%u %p %u %u %u %u %u %u", KVM_TRC_##evt, \
+						vcpu, 4, d1, d2, d3, d4, 0)
+#define KVMTRACE_3D(evt, vcpu, d1, d2, d3, name) \
+	trace_mark(kvm_trace_##name, "%u %p %u %u %u %u %u %u", KVM_TRC_##evt, \
+						vcpu, 3, d1, d2, d3, 0, 0)
+#define KVMTRACE_2D(evt, vcpu, d1, d2, name) \
+	trace_mark(kvm_trace_##name, "%u %p %u %u %u %u %u %u", KVM_TRC_##evt, \
+						vcpu, 2, d1, d2, 0, 0, 0)
+#define KVMTRACE_1D(evt, vcpu, d1, name) \
+	trace_mark(kvm_trace_##name, "%u %p %u %u %u %u %u %u", KVM_TRC_##evt, \
+						vcpu, 1, d1, 0, 0, 0, 0)
+#define KVMTRACE_0D(evt, vcpu, name) \
+	trace_mark(kvm_trace_##name, "%u %p %u %u %u %u %u %u", KVM_TRC_##evt, \
+						vcpu, 0, 0, 0, 0, 0, 0)
+
+#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
+
+#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
+
+#endif