@@ -16,7 +16,6 @@
#include "config.h"
#include "sys-queue.h"
-#include "libkvm-all.h"
#ifdef KVM_UPSTREAM
deleted file mode 100644
@@ -1,934 +0,0 @@
-/** \file libkvm.h
- * libkvm API
- */
-
-#ifndef LIBKVM_H
-#define LIBKVM_H
-
-#ifdef CONFIG_KVM
-
-#if defined(__s390__)
-#include <asm/ptrace.h>
-#endif
-
-#include <stdint.h>
-
-#ifndef __user
-#define __user /* temporary, until installed via make headers_install */
-#endif
-
-#include <linux/kvm.h>
-
-#include <signal.h>
-
-/* FIXME: share this number with kvm */
-/* FIXME: or dynamically alloc/realloc regions */
-#ifdef __s390__
-#define KVM_MAX_NUM_MEM_REGIONS 1u
-#define MAX_VCPUS 64
-#define LIBKVM_S390_ORIGIN (0UL)
-#elif defined(__ia64__)
-#define KVM_MAX_NUM_MEM_REGIONS 32u
-#define MAX_VCPUS 256
-#else
-#define KVM_MAX_NUM_MEM_REGIONS 32u
-#define MAX_VCPUS 16
-#endif
-
-/* kvm abi verison variable */
-extern int kvm_abi;
-
-/**
- * \brief The KVM context
- *
- * The verbose KVM context
- */
-
-struct kvm_context {
- /// Filedescriptor to /dev/kvm
- int fd;
- int vm_fd;
- /// Callbacks that KVM uses to emulate various unvirtualizable functionality
- struct kvm_callbacks *callbacks;
- void *opaque;
- /// is dirty pages logging enabled for all regions or not
- int dirty_pages_log_all;
- /// do not create in-kernel irqchip if set
- int no_irqchip_creation;
- /// in-kernel irqchip status
- int irqchip_in_kernel;
- /// ioctl to use to inject interrupts
- int irqchip_inject_ioctl;
- /// do not create in-kernel pit if set
- int no_pit_creation;
- /// in-kernel pit status
- int pit_in_kernel;
- /// in-kernel coalesced mmio
- int coalesced_mmio;
-#ifdef KVM_CAP_IRQ_ROUTING
- struct kvm_irq_routing *irq_routes;
- int nr_allocated_irq_routes;
-#endif
- void *used_gsi_bitmap;
- int max_gsi;
-};
-
-struct kvm_vcpu_context
-{
- int fd;
- struct kvm_run *run;
- struct kvm_context *kvm;
- uint32_t id;
-};
-
-typedef struct kvm_context *kvm_context_t;
-typedef struct kvm_vcpu_context *kvm_vcpu_context_t;
-
-#include "kvm.h"
-int kvm_alloc_kernel_memory(kvm_context_t kvm, unsigned long memory,
- void **vm_mem);
-int kvm_alloc_userspace_memory(kvm_context_t kvm, unsigned long memory,
- void **vm_mem);
-
-int kvm_arch_create(kvm_context_t kvm, unsigned long phys_mem_bytes,
- void **vm_mem);
-int kvm_arch_run(kvm_vcpu_context_t vcpu);
-
-
-void kvm_show_code(kvm_vcpu_context_t vcpu);
-
-int handle_halt(kvm_vcpu_context_t vcpu);
-int handle_shutdown(kvm_context_t kvm, CPUState *env);
-void post_kvm_run(kvm_context_t kvm, CPUState *env);
-int pre_kvm_run(kvm_context_t kvm, CPUState *env);
-int handle_io_window(kvm_context_t kvm);
-int handle_debug(kvm_vcpu_context_t vcpu, void *env);
-int try_push_interrupts(kvm_context_t kvm);
-
-#if defined(__x86_64__) || defined(__i386__)
-struct kvm_msr_list *kvm_get_msr_list(kvm_context_t);
-int kvm_get_msrs(kvm_vcpu_context_t, struct kvm_msr_entry *msrs, int n);
-int kvm_set_msrs(kvm_vcpu_context_t, struct kvm_msr_entry *msrs, int n);
-#endif
-
-/*!
- * \brief Create new KVM context
- *
- * This creates a new kvm_context. A KVM context is a small area of data that
- * holds information about the KVM instance that gets created by this call.\n
- * This should always be your first call to KVM.
- *
- * \param opaque Not used
- * \return NULL on failure
- */
-kvm_context_t kvm_init(void *opaque);
-
-/*!
- * \brief Cleanup the KVM context
- *
- * Should always be called when closing down KVM.\n
- * Exception: If kvm_init() fails, this function should not be called, as the
- * context would be invalid
- *
- * \param kvm Pointer to the kvm_context that is to be freed
- */
-void kvm_finalize(kvm_context_t kvm);
-
-/*!
- * \brief Disable the in-kernel IRQCHIP creation
- *
- * In-kernel irqchip is enabled by default. If userspace irqchip is to be used,
- * this should be called prior to kvm_create().
- *
- * \param kvm Pointer to the kvm_context
- */
-void kvm_disable_irqchip_creation(kvm_context_t kvm);
-
-/*!
- * \brief Disable the in-kernel PIT creation
- *
- * In-kernel pit is enabled by default. If userspace pit is to be used,
- * this should be called prior to kvm_create().
- *
- * \param kvm Pointer to the kvm_context
- */
-void kvm_disable_pit_creation(kvm_context_t kvm);
-
-/*!
- * \brief Create new virtual machine
- *
- * This creates a new virtual machine, maps physical RAM to it, and creates a
- * virtual CPU for it.\n
- * \n
- * Memory gets mapped for addresses 0->0xA0000, 0xC0000->phys_mem_bytes
- *
- * \param kvm Pointer to the current kvm_context
- * \param phys_mem_bytes The amount of physical ram you want the VM to have
- * \param phys_mem This pointer will be set to point to the memory that
- * kvm_create allocates for physical RAM
- * \return 0 on success
- */
-int kvm_create(kvm_context_t kvm,
- unsigned long phys_mem_bytes,
- void **phys_mem);
-int kvm_create_vm(kvm_context_t kvm);
-int kvm_check_extension(kvm_context_t kvm, int ext);
-void kvm_create_irqchip(kvm_context_t kvm);
-
-/*!
- * \brief Create a new virtual cpu
- *
- * This creates a new virtual cpu (the first vcpu is created by kvm_create()).
- * Should be called from a thread dedicated to the vcpu.
- *
- * \param kvm kvm context
- * \param slot vcpu number (> 0)
- * \return 0 on success, -errno on failure
- */
-kvm_vcpu_context_t kvm_create_vcpu(kvm_context_t kvm, int id);
-
-/*!
- * \brief Start the VCPU
- *
- * This starts the VCPU and virtualization is started.\n
- * \n
- * This function will not return until any of these conditions are met:
- * - An IO/MMIO handler does not return "0"
- * - An exception that neither the guest OS, nor KVM can handle occurs
- *
- * \note This function will call the callbacks registered in kvm_init()
- * to emulate those functions
- * \note If you at any point want to interrupt the VCPU, kvm_run() will
- * listen to the EINTR signal. This allows you to simulate external interrupts
- * and asyncronous IO.
- *
- * \param kvm Pointer to the current kvm_context
- * \param vcpu Which virtual CPU should be started
- * \return 0 on success, but you really shouldn't expect this function to
- * return except for when an error has occured, or when you have sent it
- * an EINTR signal.
- */
-int kvm_run(kvm_vcpu_context_t vcpu, void *env);
-
-/*!
- * \brief Get interrupt flag from on last exit to userspace
- *
- * This gets the CPU interrupt flag as it was on the last exit to userspace.
- *
- * \param kvm Pointer to the current kvm_context
- * \param vcpu Which virtual CPU should get dumped
- * \return interrupt flag value (0 or 1)
- */
-int kvm_get_interrupt_flag(kvm_vcpu_context_t vcpu);
-
-/*!
- * \brief Get the value of the APIC_BASE msr as of last exit to userspace
- *
- * This gets the APIC_BASE msr as it was on the last exit to userspace.
- *
- * \param kvm Pointer to the current kvm_context
- * \param vcpu Which virtual CPU should get dumped
- * \return APIC_BASE msr contents
- */
-uint64_t kvm_get_apic_base(kvm_vcpu_context_t vcpu);
-
-/*!
- * \brief Check if a vcpu is ready for interrupt injection
- *
- * This checks if vcpu interrupts are not masked by mov ss or sti.
- *
- * \param kvm Pointer to the current kvm_context
- * \param vcpu Which virtual CPU should get dumped
- * \return boolean indicating interrupt injection readiness
- */
-int kvm_is_ready_for_interrupt_injection(kvm_vcpu_context_t vcpu);
-
-/*!
- * \brief Read VCPU registers
- *
- * This gets the GP registers from the VCPU and outputs them
- * into a kvm_regs structure
- *
- * \note This function returns a \b copy of the VCPUs registers.\n
- * If you wish to modify the VCPUs GP registers, you should call kvm_set_regs()
- *
- * \param kvm Pointer to the current kvm_context
- * \param vcpu Which virtual CPU should get dumped
- * \param regs Pointer to a kvm_regs which will be populated with the VCPUs
- * registers values
- * \return 0 on success
- */
-int kvm_get_regs(kvm_vcpu_context_t vcpu, struct kvm_regs *regs);
-
-/*!
- * \brief Write VCPU registers
- *
- * This sets the GP registers on the VCPU from a kvm_regs structure
- *
- * \note When this function returns, the regs pointer and the data it points to
- * can be discarded
- * \param kvm Pointer to the current kvm_context
- * \param vcpu Which virtual CPU should get dumped
- * \param regs Pointer to a kvm_regs which will be populated with the VCPUs
- * registers values
- * \return 0 on success
- */
-int kvm_set_regs(kvm_vcpu_context_t vcpu, struct kvm_regs *regs);
-/*!
- * \brief Read VCPU fpu registers
- *
- * This gets the FPU registers from the VCPU and outputs them
- * into a kvm_fpu structure
- *
- * \note This function returns a \b copy of the VCPUs registers.\n
- * If you wish to modify the VCPU FPU registers, you should call kvm_set_fpu()
- *
- * \param kvm Pointer to the current kvm_context
- * \param vcpu Which virtual CPU should get dumped
- * \param fpu Pointer to a kvm_fpu which will be populated with the VCPUs
- * fpu registers values
- * \return 0 on success
- */
-int kvm_get_fpu(kvm_vcpu_context_t vcpu, struct kvm_fpu *fpu);
-
-/*!
- * \brief Write VCPU fpu registers
- *
- * This sets the FPU registers on the VCPU from a kvm_fpu structure
- *
- * \note When this function returns, the fpu pointer and the data it points to
- * can be discarded
- * \param kvm Pointer to the current kvm_context
- * \param vcpu Which virtual CPU should get dumped
- * \param fpu Pointer to a kvm_fpu which holds the new vcpu fpu state
- * \return 0 on success
- */
-int kvm_set_fpu(kvm_vcpu_context_t vcpu, struct kvm_fpu *fpu);
-
-/*!
- * \brief Read VCPU system registers
- *
- * This gets the non-GP registers from the VCPU and outputs them
- * into a kvm_sregs structure
- *
- * \note This function returns a \b copy of the VCPUs registers.\n
- * If you wish to modify the VCPUs non-GP registers, you should call
- * kvm_set_sregs()
- *
- * \param kvm Pointer to the current kvm_context
- * \param vcpu Which virtual CPU should get dumped
- * \param regs Pointer to a kvm_sregs which will be populated with the VCPUs
- * registers values
- * \return 0 on success
- */
-int kvm_get_sregs(kvm_vcpu_context_t vcpu, struct kvm_sregs *regs);
-
-/*!
- * \brief Write VCPU system registers
- *
- * This sets the non-GP registers on the VCPU from a kvm_sregs structure
- *
- * \note When this function returns, the regs pointer and the data it points to
- * can be discarded
- * \param kvm Pointer to the current kvm_context
- * \param vcpu Which virtual CPU should get dumped
- * \param regs Pointer to a kvm_sregs which will be populated with the VCPUs
- * registers values
- * \return 0 on success
- */
-int kvm_set_sregs(kvm_vcpu_context_t vcpu, struct kvm_sregs *regs);
-
-#ifdef KVM_CAP_MP_STATE
-/*!
- * * \brief Read VCPU MP state
- *
- */
-int kvm_get_mpstate(kvm_vcpu_context_t vcpu, struct kvm_mp_state *mp_state);
-
-/*!
- * * \brief Write VCPU MP state
- *
- */
-int kvm_set_mpstate(kvm_vcpu_context_t vcpu, struct kvm_mp_state *mp_state);
-/*!
- * * \brief Reset VCPU MP state
- *
- */
-static inline int kvm_reset_mpstate(kvm_vcpu_context_t vcpu)
-{
- struct kvm_mp_state mp_state = {.mp_state = KVM_MP_STATE_UNINITIALIZED};
- return kvm_set_mpstate(vcpu, &mp_state);
-}
-#endif
-
-/*!
- * \brief Simulate an external vectored interrupt
- *
- * This allows you to simulate an external vectored interrupt.
- *
- * \param kvm Pointer to the current kvm_context
- * \param vcpu Which virtual CPU should get dumped
- * \param irq Vector number
- * \return 0 on success
- */
-int kvm_inject_irq(kvm_vcpu_context_t vcpu, unsigned irq);
-
-#ifdef KVM_CAP_SET_GUEST_DEBUG
-int kvm_set_guest_debug(kvm_vcpu_context_t, struct kvm_guest_debug *dbg);
-#endif
-
-#if defined(__i386__) || defined(__x86_64__)
-/*!
- * \brief Setup a vcpu's cpuid instruction emulation
- *
- * Set up a table of cpuid function to cpuid outputs.\n
- *
- * \param kvm Pointer to the current kvm_context
- * \param vcpu Which virtual CPU should be initialized
- * \param nent number of entries to be installed
- * \param entries cpuid function entries table
- * \return 0 on success, or -errno on error
- */
-int kvm_setup_cpuid(kvm_vcpu_context_t vcpu, int nent,
- struct kvm_cpuid_entry *entries);
-
-/*!
- * \brief Setup a vcpu's cpuid instruction emulation
- *
- * Set up a table of cpuid function to cpuid outputs.
- * This call replaces the older kvm_setup_cpuid interface by adding a few
- * parameters to support cpuid functions that have sub-leaf values.
- *
- * \param kvm Pointer to the current kvm_context
- * \param vcpu Which virtual CPU should be initialized
- * \param nent number of entries to be installed
- * \param entries cpuid function entries table
- * \return 0 on success, or -errno on error
- */
-int kvm_setup_cpuid2(kvm_vcpu_context_t vcpu, int nent,
- struct kvm_cpuid_entry2 *entries);
-
-/*!
- * \brief Setting the number of shadow pages to be allocated to the vm
- *
- * \param kvm pointer to kvm_context
- * \param nrshadow_pages number of pages to be allocated
- */
-int kvm_set_shadow_pages(kvm_context_t kvm, unsigned int nrshadow_pages);
-
-/*!
- * \brief Getting the number of shadow pages that are allocated to the vm
- *
- * \param kvm pointer to kvm_context
- * \param nrshadow_pages number of pages to be allocated
- */
-int kvm_get_shadow_pages(kvm_context_t kvm , unsigned int *nrshadow_pages);
-
-/*!
- * \brief Set up cr8 for next time the vcpu is executed
- *
- * This is a fast setter for cr8, which will be applied when the
- * vcpu next enters guest mode.
- *
- * \param kvm Pointer to the current kvm_context
- * \param vcpu Which virtual CPU should get dumped
- * \param cr8 next cr8 value
- */
-void kvm_set_cr8(kvm_vcpu_context_t vcpu, uint64_t cr8);
-
-/*!
- * \brief Get cr8 for sync tpr in qemu apic emulation
- *
- * This is a getter for cr8, which used to sync with the tpr in qemu
- * apic emualtion.
- *
- * \param kvm Pointer to the current kvm_context
- * \param vcpu Which virtual CPU should get dumped
- */
-__u64 kvm_get_cr8(kvm_vcpu_context_t vcpu);
-#endif
-
-/*!
- * \brief Set a vcpu's signal mask for guest mode
- *
- * A vcpu can have different signals blocked in guest mode and user mode.
- * This allows guest execution to be interrupted on a signal, without requiring
- * that the signal be delivered to a signal handler (the signal can be
- * dequeued using sigwait(2).
- *
- * \param kvm Pointer to the current kvm_context
- * \param vcpu Which virtual CPU should be initialized
- * \param sigset signal mask for guest mode
- * \return 0 on success, or -errno on error
- */
-int kvm_set_signal_mask(kvm_vcpu_context_t vcpu, const sigset_t *sigset);
-
-/*!
- * \brief Dump VCPU registers
- *
- * This dumps some of the information that KVM has about a virtual CPU, namely:
- * - GP Registers
- *
- * A much more verbose version of this is available as kvm_dump_vcpu()
- *
- * \param kvm Pointer to the current kvm_context
- * \param vcpu Which virtual CPU should get dumped
- * \return 0 on success
- */
-void kvm_show_regs(kvm_vcpu_context_t vcpu);
-
-
-void *kvm_create_phys_mem(kvm_context_t, unsigned long phys_start,
- unsigned long len, int log, int writable);
-void kvm_destroy_phys_mem(kvm_context_t, unsigned long phys_start,
- unsigned long len);
-void kvm_unregister_memory_area(kvm_context_t, uint64_t phys_start,
- unsigned long len);
-
-int kvm_is_containing_region(kvm_context_t kvm, unsigned long phys_start, unsigned long size);
-int kvm_register_phys_mem(kvm_context_t kvm,
- unsigned long phys_start, void *userspace_addr,
- unsigned long len, int log);
-int kvm_get_dirty_pages(kvm_context_t, unsigned long phys_addr, void *buf);
-int kvm_get_dirty_pages_range(kvm_context_t kvm, unsigned long phys_addr,
- unsigned long end_addr, void*opaque,
- int (*cb)(unsigned long start, unsigned long len,
- void*bitmap, void *opaque));
-int kvm_register_coalesced_mmio(kvm_context_t kvm,
- uint64_t addr, uint32_t size);
-int kvm_unregister_coalesced_mmio(kvm_context_t kvm,
- uint64_t addr, uint32_t size);
-
-/*!
- * \brief Create a memory alias
- *
- * Aliases a portion of physical memory to another portion. If the guest
- * accesses the alias region, it will behave exactly as if it accessed
- * the target memory.
- */
-int kvm_create_memory_alias(kvm_context_t,
- uint64_t phys_start, uint64_t len,
- uint64_t target_phys);
-
-/*!
- * \brief Destroy a memory alias
- *
- * Removes an alias created with kvm_create_memory_alias().
- */
-int kvm_destroy_memory_alias(kvm_context_t, uint64_t phys_start);
-
-/*!
- * \brief Get a bitmap of guest ram pages which are allocated to the guest.
- *
- * \param kvm Pointer to the current kvm_context
- * \param phys_addr Memory slot phys addr
- * \param bitmap Long aligned address of a big enough bitmap (one bit per page)
- */
-int kvm_get_mem_map(kvm_context_t kvm, unsigned long phys_addr, void *bitmap);
-int kvm_get_mem_map_range(kvm_context_t kvm, unsigned long phys_addr,
- unsigned long len, void *buf, void *opaque,
- int (*cb)(unsigned long start,unsigned long len,
- void* bitmap, void* opaque));
-int kvm_set_irq_level(kvm_context_t kvm, int irq, int level, int *status);
-
-int kvm_dirty_pages_log_enable_slot(kvm_context_t kvm,
- uint64_t phys_start,
- uint64_t len);
-int kvm_dirty_pages_log_disable_slot(kvm_context_t kvm,
- uint64_t phys_start,
- uint64_t len);
-/*!
- * \brief Enable dirty-pages-logging for all memory regions
- *
- * \param kvm Pointer to the current kvm_context
- */
-int kvm_dirty_pages_log_enable_all(kvm_context_t kvm);
-
-/*!
- * \brief Disable dirty-page-logging for some memory regions
- *
- * Disable dirty-pages-logging for those memory regions that were
- * created with dirty-page-logging disabled.
- *
- * \param kvm Pointer to the current kvm_context
- */
-int kvm_dirty_pages_log_reset(kvm_context_t kvm);
-
-/*!
- * \brief Query whether in kernel irqchip is used
- *
- * \param kvm Pointer to the current kvm_context
- */
-int kvm_irqchip_in_kernel(kvm_context_t kvm);
-
-#ifdef KVM_CAP_IRQCHIP
-/*!
- * \brief Dump in kernel IRQCHIP contents
- *
- * Dump one of the in kernel irq chip devices, including PIC (master/slave)
- * and IOAPIC into a kvm_irqchip structure
- *
- * \param kvm Pointer to the current kvm_context
- * \param chip The irq chip device to be dumped
- */
-int kvm_get_irqchip(kvm_context_t kvm, struct kvm_irqchip *chip);
-
-/*!
- * \brief Set in kernel IRQCHIP contents
- *
- * Write one of the in kernel irq chip devices, including PIC (master/slave)
- * and IOAPIC
- *
- *
- * \param kvm Pointer to the current kvm_context
- * \param chip THe irq chip device to be written
- */
-int kvm_set_irqchip(kvm_context_t kvm, struct kvm_irqchip *chip);
-
-#if defined(__i386__) || defined(__x86_64__)
-/*!
- * \brief Get in kernel local APIC for vcpu
- *
- * Save the local apic state including the timer of a virtual CPU
- *
- * \param kvm Pointer to the current kvm_context
- * \param vcpu Which virtual CPU should be accessed
- * \param s Local apic state of the specific virtual CPU
- */
-int kvm_get_lapic(kvm_vcpu_context_t vcpu, struct kvm_lapic_state *s);
-
-/*!
- * \brief Set in kernel local APIC for vcpu
- *
- * Restore the local apic state including the timer of a virtual CPU
- *
- * \param kvm Pointer to the current kvm_context
- * \param vcpu Which virtual CPU should be accessed
- * \param s Local apic state of the specific virtual CPU
- */
-int kvm_set_lapic(kvm_vcpu_context_t vcpu, struct kvm_lapic_state *s);
-
-#endif
-
-/*!
- * \brief Simulate an NMI
- *
- * This allows you to simulate a non-maskable interrupt.
- *
- * \param kvm Pointer to the current kvm_context
- * \param vcpu Which virtual CPU should get dumped
- * \return 0 on success
- */
-int kvm_inject_nmi(kvm_vcpu_context_t vcpu);
-
-#endif
-
-/*!
- * \brief Query wheather in kernel pit is used
- *
- * \param kvm Pointer to the current kvm_context
- */
-int kvm_pit_in_kernel(kvm_context_t kvm);
-
-/*!
- * \brief Initialize coalesced MMIO
- *
- * Check for coalesced MMIO capability and store in context
- *
- * \param kvm Pointer to the current kvm_context
- */
-int kvm_init_coalesced_mmio(kvm_context_t kvm);
-
-#ifdef KVM_CAP_PIT
-
-#if defined(__i386__) || defined(__x86_64__)
-/*!
- * \brief Get in kernel PIT of the virtual domain
- *
- * Save the PIT state.
- *
- * \param kvm Pointer to the current kvm_context
- * \param s PIT state of the virtual domain
- */
-int kvm_get_pit(kvm_context_t kvm, struct kvm_pit_state *s);
-
-/*!
- * \brief Set in kernel PIT of the virtual domain
- *
- * Restore the PIT state.
- * Timer would be retriggerred after restored.
- *
- * \param kvm Pointer to the current kvm_context
- * \param s PIT state of the virtual domain
- */
-int kvm_set_pit(kvm_context_t kvm, struct kvm_pit_state *s);
-
-int kvm_reinject_control(kvm_context_t kvm, int pit_reinject);
-
-#ifdef KVM_CAP_PIT_STATE2
-/*!
- * \brief Check for kvm support of kvm_pit_state2
- *
- * \param kvm Pointer to the current kvm_context
- * \return 0 on success
- */
-int kvm_has_pit_state2(kvm_context_t kvm);
-
-/*!
- * \brief Set in kernel PIT state2 of the virtual domain
- *
- *
- * \param kvm Pointer to the current kvm_context
- * \param ps2 PIT state2 of the virtual domain
- * \return 0 on success
- */
-int kvm_set_pit2(kvm_context_t kvm, struct kvm_pit_state2 *ps2);
-
-/*!
- * \brief Get in kernel PIT state2 of the virtual domain
- *
- *
- * \param kvm Pointer to the current kvm_context
- * \param ps2 PIT state2 of the virtual domain
- * \return 0 on success
- */
-int kvm_get_pit2(kvm_context_t kvm, struct kvm_pit_state2 *ps2);
-
-#endif
-#endif
-#endif
-
-#ifdef KVM_CAP_VAPIC
-
-/*!
- * \brief Enable kernel tpr access reporting
- *
- * When tpr access reporting is enabled, the kernel will call the
- * ->tpr_access() callback every time the guest vcpu accesses the tpr.
- *
- * \param kvm Pointer to the current kvm_context
- * \param vcpu vcpu to enable tpr access reporting on
- */
-int kvm_enable_tpr_access_reporting(kvm_vcpu_context_t vcpu);
-
-/*!
- * \brief Disable kernel tpr access reporting
- *
- * Undoes the effect of kvm_enable_tpr_access_reporting().
- *
- * \param kvm Pointer to the current kvm_context
- * \param vcpu vcpu to disable tpr access reporting on
- */
-int kvm_disable_tpr_access_reporting(kvm_vcpu_context_t vcpu);
-
-int kvm_enable_vapic(kvm_vcpu_context_t vcpu, uint64_t vapic);
-
-#endif
-
-#if defined(__s390__)
-int kvm_s390_initial_reset(kvm_context_t kvm, int slot);
-int kvm_s390_interrupt(kvm_context_t kvm, int slot,
- struct kvm_s390_interrupt *kvmint);
-int kvm_s390_set_initial_psw(kvm_context_t kvm, int slot, psw_t psw);
-int kvm_s390_store_status(kvm_context_t kvm, int slot, unsigned long addr);
-#endif
-
-#ifdef KVM_CAP_DEVICE_ASSIGNMENT
-/*!
- * \brief Notifies host kernel about a PCI device to be assigned to a guest
- *
- * Used for PCI device assignment, this function notifies the host
- * kernel about the assigning of the physical PCI device to a guest.
- *
- * \param kvm Pointer to the current kvm_context
- * \param assigned_dev Parameters, like bus, devfn number, etc
- */
-int kvm_assign_pci_device(kvm_context_t kvm,
- struct kvm_assigned_pci_dev *assigned_dev);
-
-/*!
- * \brief Assign IRQ for an assigned device
- *
- * Used for PCI device assignment, this function assigns IRQ numbers for
- * an physical device and guest IRQ handling.
- *
- * \param kvm Pointer to the current kvm_context
- * \param assigned_irq Parameters, like dev id, host irq, guest irq, etc
- */
-int kvm_assign_irq(kvm_context_t kvm,
- struct kvm_assigned_irq *assigned_irq);
-
-#ifdef KVM_CAP_ASSIGN_DEV_IRQ
-/*!
- * \brief Deassign IRQ for an assigned device
- *
- * Used for PCI device assignment, this function deassigns IRQ numbers
- * for an assigned device.
- *
- * \param kvm Pointer to the current kvm_context
- * \param assigned_irq Parameters, like dev id, host irq, guest irq, etc
- */
-int kvm_deassign_irq(kvm_context_t kvm,
- struct kvm_assigned_irq *assigned_irq);
-#endif
-#endif
-
-/*!
- * \brief Determines whether destroying memory regions is allowed
- *
- * KVM before 2.6.29 had a bug when destroying memory regions.
- *
- * \param kvm Pointer to the current kvm_context
- */
-int kvm_destroy_memory_region_works(kvm_context_t kvm);
-
-#ifdef KVM_CAP_DEVICE_DEASSIGNMENT
-/*!
- * \brief Notifies host kernel about a PCI device to be deassigned from a guest
- *
- * Used for hot remove PCI device, this function notifies the host
- * kernel about the deassigning of the physical PCI device from a guest.
- *
- * \param kvm Pointer to the current kvm_context
- * \param assigned_dev Parameters, like bus, devfn number, etc
- */
-int kvm_deassign_pci_device(kvm_context_t kvm,
- struct kvm_assigned_pci_dev *assigned_dev);
-#endif
-
-/*!
- * \brief Checks whether the generic irq routing capability is present
- *
- * Checks whether kvm can reroute interrupts among the various interrupt
- * controllers.
- *
- * \param kvm Pointer to the current kvm_context
- */
-int kvm_has_gsi_routing(kvm_context_t kvm);
-
-/*!
- * \brief Determines the number of gsis that can be routed
- *
- * Returns the number of distinct gsis that can be routed by kvm. This is
- * also the number of distinct routes (if a gsi has two routes, than another
- * gsi cannot be used...)
- *
- * \param kvm Pointer to the current kvm_context
- */
-int kvm_get_gsi_count(kvm_context_t kvm);
-
-/*!
- * \brief Clears the temporary irq routing table
- *
- * Clears the temporary irq routing table. Nothing is committed to the
- * running VM.
- *
- * \param kvm Pointer to the current kvm_context
- */
-int kvm_clear_gsi_routes(kvm_context_t kvm);
-
-/*!
- * \brief Adds an irq route to the temporary irq routing table
- *
- * Adds an irq route to the temporary irq routing table. Nothing is
- * committed to the running VM.
- *
- * \param kvm Pointer to the current kvm_context
- */
-int kvm_add_irq_route(kvm_context_t kvm, int gsi, int irqchip, int pin);
-
-/*!
- * \brief Removes an irq route from the temporary irq routing table
- *
- * Adds an irq route to the temporary irq routing table. Nothing is
- * committed to the running VM.
- *
- * \param kvm Pointer to the current kvm_context
- */
-int kvm_del_irq_route(kvm_context_t kvm, int gsi, int irqchip, int pin);
-
-struct kvm_irq_routing_entry;
-/*!
- * \brief Adds a routing entry to the temporary irq routing table
- *
- * Adds a filled routing entry to the temporary irq routing table. Nothing is
- * committed to the running VM.
- *
- * \param kvm Pointer to the current kvm_context
- */
-int kvm_add_routing_entry(kvm_context_t kvm,
- struct kvm_irq_routing_entry* entry);
-
-/*!
- * \brief Removes a routing from the temporary irq routing table
- *
- * Remove a routing to the temporary irq routing table. Nothing is
- * committed to the running VM.
- *
- * \param kvm Pointer to the current kvm_context
- */
-int kvm_del_routing_entry(kvm_context_t kvm,
- struct kvm_irq_routing_entry* entry);
-
-/*!
- * \brief Updates a routing in the temporary irq routing table
- *
- * Update a routing in the temporary irq routing table
- * with a new value. entry type and GSI can not be changed.
- * Nothing is committed to the running VM.
- *
- * \param kvm Pointer to the current kvm_context
- */
-int kvm_update_routing_entry(kvm_context_t kvm,
- struct kvm_irq_routing_entry* entry,
- struct kvm_irq_routing_entry* newentry
-);
-
-/*!
- * \brief Commit the temporary irq routing table
- *
- * Commit the temporary irq routing table to the running VM.
- *
- * \param kvm Pointer to the current kvm_context
- */
-int kvm_commit_irq_routes(kvm_context_t kvm);
-
-/*!
- * \brief Get unused GSI number for irq routing table
- *
- * Get unused GSI number for irq routing table
- *
- * \param kvm Pointer to the current kvm_context
- */
-int kvm_get_irq_route_gsi(kvm_context_t kvm);
-
-/*!
- * \brief Create a file descriptor for injecting interrupts
- *
- * Creates an eventfd based file-descriptor that maps to a specific GSI
- * in the guest. eventfd compliant signaling (write() from userspace, or
- * eventfd_signal() from kernelspace) will cause the GSI to inject
- * itself into the guest at the next available window.
- *
- * \param kvm Pointer to the current kvm_context
- * \param gsi GSI to assign to this fd
- * \param flags reserved, must be zero
- */
-int kvm_irqfd(kvm_context_t kvm, int gsi, int flags);
-
-#ifdef KVM_CAP_DEVICE_MSIX
-int kvm_assign_set_msix_nr(kvm_context_t kvm,
- struct kvm_assigned_msix_nr *msix_nr);
-int kvm_assign_set_msix_entry(kvm_context_t kvm,
- struct kvm_assigned_msix_entry *entry);
-#endif
-
-uint32_t kvm_get_supported_cpuid(kvm_context_t kvm, uint32_t function, int reg);
-
-#else /* !CONFIG_KVM */
-
-struct kvm_pit_state { };
-
-#endif /* !CONFIG_KVM */
-
-#endif
@@ -5,7 +5,6 @@
#include "hw/hw.h"
#include "qemu-kvm.h"
-#include "libkvm-all.h"
#include <pthread.h>
#include <sys/utsname.h>
#include <sys/io.h>
@@ -15,7 +15,6 @@
#include <sys/io.h>
#include "qemu-kvm.h"
-#include "libkvm-all.h"
#include "libkvm.h"
#include <pthread.h>
#include <sys/utsname.h>
@@ -19,7 +19,6 @@
#include "gdbstub.h"
#include "qemu-kvm.h"
-#include "libkvm-all.h"
#include "libkvm.h"
#include <pthread.h>
@@ -12,7 +12,932 @@
#include <signal.h>
-#include "libkvm-all.h"
+#ifdef CONFIG_KVM
+
+#if defined(__s390__)
+#include <asm/ptrace.h>
+#endif
+
+#include <stdint.h>
+
+#ifndef __user
+#define __user /* temporary, until installed via make headers_install */
+#endif
+
+#include <linux/kvm.h>
+
+#include <signal.h>
+
+/* FIXME: share this number with kvm */
+/* FIXME: or dynamically alloc/realloc regions */
+#ifdef __s390__
+#define KVM_MAX_NUM_MEM_REGIONS 1u
+#define MAX_VCPUS 64
+#define LIBKVM_S390_ORIGIN (0UL)
+#elif defined(__ia64__)
+#define KVM_MAX_NUM_MEM_REGIONS 32u
+#define MAX_VCPUS 256
+#else
+#define KVM_MAX_NUM_MEM_REGIONS 32u
+#define MAX_VCPUS 16
+#endif
+
+/* kvm abi verison variable */
+extern int kvm_abi;
+
+/**
+ * \brief The KVM context
+ *
+ * The verbose KVM context
+ */
+
+struct kvm_context {
+ /// Filedescriptor to /dev/kvm
+ int fd;
+ int vm_fd;
+ /// Callbacks that KVM uses to emulate various unvirtualizable functionality
+ struct kvm_callbacks *callbacks;
+ void *opaque;
+ /// is dirty pages logging enabled for all regions or not
+ int dirty_pages_log_all;
+ /// do not create in-kernel irqchip if set
+ int no_irqchip_creation;
+ /// in-kernel irqchip status
+ int irqchip_in_kernel;
+ /// ioctl to use to inject interrupts
+ int irqchip_inject_ioctl;
+ /// do not create in-kernel pit if set
+ int no_pit_creation;
+ /// in-kernel pit status
+ int pit_in_kernel;
+ /// in-kernel coalesced mmio
+ int coalesced_mmio;
+#ifdef KVM_CAP_IRQ_ROUTING
+ struct kvm_irq_routing *irq_routes;
+ int nr_allocated_irq_routes;
+#endif
+ void *used_gsi_bitmap;
+ int max_gsi;
+};
+
+struct kvm_vcpu_context
+{
+ int fd;
+ struct kvm_run *run;
+ struct kvm_context *kvm;
+ uint32_t id;
+};
+
+typedef struct kvm_context *kvm_context_t;
+typedef struct kvm_vcpu_context *kvm_vcpu_context_t;
+
+#include "kvm.h"
+int kvm_alloc_kernel_memory(kvm_context_t kvm, unsigned long memory,
+ void **vm_mem);
+int kvm_alloc_userspace_memory(kvm_context_t kvm, unsigned long memory,
+ void **vm_mem);
+
+int kvm_arch_create(kvm_context_t kvm, unsigned long phys_mem_bytes,
+ void **vm_mem);
+int kvm_arch_run(kvm_vcpu_context_t vcpu);
+
+
+void kvm_show_code(kvm_vcpu_context_t vcpu);
+
+int handle_halt(kvm_vcpu_context_t vcpu);
+int handle_shutdown(kvm_context_t kvm, CPUState *env);
+void post_kvm_run(kvm_context_t kvm, CPUState *env);
+int pre_kvm_run(kvm_context_t kvm, CPUState *env);
+int handle_io_window(kvm_context_t kvm);
+int handle_debug(kvm_vcpu_context_t vcpu, void *env);
+int try_push_interrupts(kvm_context_t kvm);
+
+#if defined(__x86_64__) || defined(__i386__)
+struct kvm_msr_list *kvm_get_msr_list(kvm_context_t);
+int kvm_get_msrs(kvm_vcpu_context_t, struct kvm_msr_entry *msrs, int n);
+int kvm_set_msrs(kvm_vcpu_context_t, struct kvm_msr_entry *msrs, int n);
+#endif
+
+/*!
+ * \brief Create new KVM context
+ *
+ * This creates a new kvm_context. A KVM context is a small area of data that
+ * holds information about the KVM instance that gets created by this call.\n
+ * This should always be your first call to KVM.
+ *
+ * \param opaque Not used
+ * \return NULL on failure
+ */
+kvm_context_t kvm_init(void *opaque);
+
+/*!
+ * \brief Cleanup the KVM context
+ *
+ * Should always be called when closing down KVM.\n
+ * Exception: If kvm_init() fails, this function should not be called, as the
+ * context would be invalid
+ *
+ * \param kvm Pointer to the kvm_context that is to be freed
+ */
+void kvm_finalize(kvm_context_t kvm);
+
+/*!
+ * \brief Disable the in-kernel IRQCHIP creation
+ *
+ * In-kernel irqchip is enabled by default. If userspace irqchip is to be used,
+ * this should be called prior to kvm_create().
+ *
+ * \param kvm Pointer to the kvm_context
+ */
+void kvm_disable_irqchip_creation(kvm_context_t kvm);
+
+/*!
+ * \brief Disable the in-kernel PIT creation
+ *
+ * In-kernel pit is enabled by default. If userspace pit is to be used,
+ * this should be called prior to kvm_create().
+ *
+ * \param kvm Pointer to the kvm_context
+ */
+void kvm_disable_pit_creation(kvm_context_t kvm);
+
+/*!
+ * \brief Create new virtual machine
+ *
+ * This creates a new virtual machine, maps physical RAM to it, and creates a
+ * virtual CPU for it.\n
+ * \n
+ * Memory gets mapped for addresses 0->0xA0000, 0xC0000->phys_mem_bytes
+ *
+ * \param kvm Pointer to the current kvm_context
+ * \param phys_mem_bytes The amount of physical ram you want the VM to have
+ * \param phys_mem This pointer will be set to point to the memory that
+ * kvm_create allocates for physical RAM
+ * \return 0 on success
+ */
+int kvm_create(kvm_context_t kvm,
+ unsigned long phys_mem_bytes,
+ void **phys_mem);
+int kvm_create_vm(kvm_context_t kvm);
+int kvm_check_extension(kvm_context_t kvm, int ext);
+void kvm_create_irqchip(kvm_context_t kvm);
+
+/*!
+ * \brief Create a new virtual cpu
+ *
+ * This creates a new virtual cpu (the first vcpu is created by kvm_create()).
+ * Should be called from a thread dedicated to the vcpu.
+ *
+ * \param kvm kvm context
+ * \param slot vcpu number (> 0)
+ * \return 0 on success, -errno on failure
+ */
+kvm_vcpu_context_t kvm_create_vcpu(kvm_context_t kvm, int id);
+
+/*!
+ * \brief Start the VCPU
+ *
+ * This starts the VCPU and virtualization is started.\n
+ * \n
+ * This function will not return until any of these conditions are met:
+ * - An IO/MMIO handler does not return "0"
+ * - An exception that neither the guest OS, nor KVM can handle occurs
+ *
+ * \note This function will call the callbacks registered in kvm_init()
+ * to emulate those functions
+ * \note If you at any point want to interrupt the VCPU, kvm_run() will
+ * listen to the EINTR signal. This allows you to simulate external interrupts
+ * and asyncronous IO.
+ *
+ * \param kvm Pointer to the current kvm_context
+ * \param vcpu Which virtual CPU should be started
+ * \return 0 on success, but you really shouldn't expect this function to
+ * return except for when an error has occured, or when you have sent it
+ * an EINTR signal.
+ */
+int kvm_run(kvm_vcpu_context_t vcpu, void *env);
+
+/*!
+ * \brief Get interrupt flag from on last exit to userspace
+ *
+ * This gets the CPU interrupt flag as it was on the last exit to userspace.
+ *
+ * \param kvm Pointer to the current kvm_context
+ * \param vcpu Which virtual CPU should get dumped
+ * \return interrupt flag value (0 or 1)
+ */
+int kvm_get_interrupt_flag(kvm_vcpu_context_t vcpu);
+
+/*!
+ * \brief Get the value of the APIC_BASE msr as of last exit to userspace
+ *
+ * This gets the APIC_BASE msr as it was on the last exit to userspace.
+ *
+ * \param kvm Pointer to the current kvm_context
+ * \param vcpu Which virtual CPU should get dumped
+ * \return APIC_BASE msr contents
+ */
+uint64_t kvm_get_apic_base(kvm_vcpu_context_t vcpu);
+
+/*!
+ * \brief Check if a vcpu is ready for interrupt injection
+ *
+ * This checks if vcpu interrupts are not masked by mov ss or sti.
+ *
+ * \param kvm Pointer to the current kvm_context
+ * \param vcpu Which virtual CPU should get dumped
+ * \return boolean indicating interrupt injection readiness
+ */
+int kvm_is_ready_for_interrupt_injection(kvm_vcpu_context_t vcpu);
+
+/*!
+ * \brief Read VCPU registers
+ *
+ * This gets the GP registers from the VCPU and outputs them
+ * into a kvm_regs structure
+ *
+ * \note This function returns a \b copy of the VCPUs registers.\n
+ * If you wish to modify the VCPUs GP registers, you should call kvm_set_regs()
+ *
+ * \param kvm Pointer to the current kvm_context
+ * \param vcpu Which virtual CPU should get dumped
+ * \param regs Pointer to a kvm_regs which will be populated with the VCPUs
+ * registers values
+ * \return 0 on success
+ */
+int kvm_get_regs(kvm_vcpu_context_t vcpu, struct kvm_regs *regs);
+
+/*!
+ * \brief Write VCPU registers
+ *
+ * This sets the GP registers on the VCPU from a kvm_regs structure
+ *
+ * \note When this function returns, the regs pointer and the data it points to
+ * can be discarded
+ * \param kvm Pointer to the current kvm_context
+ * \param vcpu Which virtual CPU should get dumped
+ * \param regs Pointer to a kvm_regs which will be populated with the VCPUs
+ * registers values
+ * \return 0 on success
+ */
+int kvm_set_regs(kvm_vcpu_context_t vcpu, struct kvm_regs *regs);
+/*!
+ * \brief Read VCPU fpu registers
+ *
+ * This gets the FPU registers from the VCPU and outputs them
+ * into a kvm_fpu structure
+ *
+ * \note This function returns a \b copy of the VCPUs registers.\n
+ * If you wish to modify the VCPU FPU registers, you should call kvm_set_fpu()
+ *
+ * \param kvm Pointer to the current kvm_context
+ * \param vcpu Which virtual CPU should get dumped
+ * \param fpu Pointer to a kvm_fpu which will be populated with the VCPUs
+ * fpu registers values
+ * \return 0 on success
+ */
+int kvm_get_fpu(kvm_vcpu_context_t vcpu, struct kvm_fpu *fpu);
+
+/*!
+ * \brief Write VCPU fpu registers
+ *
+ * This sets the FPU registers on the VCPU from a kvm_fpu structure
+ *
+ * \note When this function returns, the fpu pointer and the data it points to
+ * can be discarded
+ * \param kvm Pointer to the current kvm_context
+ * \param vcpu Which virtual CPU should get dumped
+ * \param fpu Pointer to a kvm_fpu which holds the new vcpu fpu state
+ * \return 0 on success
+ */
+int kvm_set_fpu(kvm_vcpu_context_t vcpu, struct kvm_fpu *fpu);
+
+/*!
+ * \brief Read VCPU system registers
+ *
+ * This gets the non-GP registers from the VCPU and outputs them
+ * into a kvm_sregs structure
+ *
+ * \note This function returns a \b copy of the VCPUs registers.\n
+ * If you wish to modify the VCPUs non-GP registers, you should call
+ * kvm_set_sregs()
+ *
+ * \param kvm Pointer to the current kvm_context
+ * \param vcpu Which virtual CPU should get dumped
+ * \param regs Pointer to a kvm_sregs which will be populated with the VCPUs
+ * registers values
+ * \return 0 on success
+ */
+int kvm_get_sregs(kvm_vcpu_context_t vcpu, struct kvm_sregs *regs);
+
+/*!
+ * \brief Write VCPU system registers
+ *
+ * This sets the non-GP registers on the VCPU from a kvm_sregs structure
+ *
+ * \note When this function returns, the regs pointer and the data it points to
+ * can be discarded
+ * \param kvm Pointer to the current kvm_context
+ * \param vcpu Which virtual CPU should get dumped
+ * \param regs Pointer to a kvm_sregs which will be populated with the VCPUs
+ * registers values
+ * \return 0 on success
+ */
+int kvm_set_sregs(kvm_vcpu_context_t vcpu, struct kvm_sregs *regs);
+
+#ifdef KVM_CAP_MP_STATE
+/*!
+ * * \brief Read VCPU MP state
+ *
+ */
+int kvm_get_mpstate(kvm_vcpu_context_t vcpu, struct kvm_mp_state *mp_state);
+
+/*!
+ * * \brief Write VCPU MP state
+ *
+ */
+int kvm_set_mpstate(kvm_vcpu_context_t vcpu, struct kvm_mp_state *mp_state);
+/*!
+ * * \brief Reset VCPU MP state
+ *
+ */
+static inline int kvm_reset_mpstate(kvm_vcpu_context_t vcpu)
+{
+ struct kvm_mp_state mp_state = {.mp_state = KVM_MP_STATE_UNINITIALIZED};
+ return kvm_set_mpstate(vcpu, &mp_state);
+}
+#endif
+
+/*!
+ * \brief Simulate an external vectored interrupt
+ *
+ * This allows you to simulate an external vectored interrupt.
+ *
+ * \param kvm Pointer to the current kvm_context
+ * \param vcpu Which virtual CPU should get dumped
+ * \param irq Vector number
+ * \return 0 on success
+ */
+int kvm_inject_irq(kvm_vcpu_context_t vcpu, unsigned irq);
+
+#ifdef KVM_CAP_SET_GUEST_DEBUG
+int kvm_set_guest_debug(kvm_vcpu_context_t, struct kvm_guest_debug *dbg);
+#endif
+
+#if defined(__i386__) || defined(__x86_64__)
+/*!
+ * \brief Setup a vcpu's cpuid instruction emulation
+ *
+ * Set up a table of cpuid function to cpuid outputs.\n
+ *
+ * \param kvm Pointer to the current kvm_context
+ * \param vcpu Which virtual CPU should be initialized
+ * \param nent number of entries to be installed
+ * \param entries cpuid function entries table
+ * \return 0 on success, or -errno on error
+ */
+int kvm_setup_cpuid(kvm_vcpu_context_t vcpu, int nent,
+ struct kvm_cpuid_entry *entries);
+
+/*!
+ * \brief Setup a vcpu's cpuid instruction emulation
+ *
+ * Set up a table of cpuid function to cpuid outputs.
+ * This call replaces the older kvm_setup_cpuid interface by adding a few
+ * parameters to support cpuid functions that have sub-leaf values.
+ *
+ * \param kvm Pointer to the current kvm_context
+ * \param vcpu Which virtual CPU should be initialized
+ * \param nent number of entries to be installed
+ * \param entries cpuid function entries table
+ * \return 0 on success, or -errno on error
+ */
+int kvm_setup_cpuid2(kvm_vcpu_context_t vcpu, int nent,
+ struct kvm_cpuid_entry2 *entries);
+
+/*!
+ * \brief Setting the number of shadow pages to be allocated to the vm
+ *
+ * \param kvm pointer to kvm_context
+ * \param nrshadow_pages number of pages to be allocated
+ */
+int kvm_set_shadow_pages(kvm_context_t kvm, unsigned int nrshadow_pages);
+
+/*!
+ * \brief Getting the number of shadow pages that are allocated to the vm
+ *
+ * \param kvm pointer to kvm_context
+ * \param nrshadow_pages number of pages to be allocated
+ */
+int kvm_get_shadow_pages(kvm_context_t kvm , unsigned int *nrshadow_pages);
+
+/*!
+ * \brief Set up cr8 for next time the vcpu is executed
+ *
+ * This is a fast setter for cr8, which will be applied when the
+ * vcpu next enters guest mode.
+ *
+ * \param kvm Pointer to the current kvm_context
+ * \param vcpu Which virtual CPU should get dumped
+ * \param cr8 next cr8 value
+ */
+void kvm_set_cr8(kvm_vcpu_context_t vcpu, uint64_t cr8);
+
+/*!
+ * \brief Get cr8 for sync tpr in qemu apic emulation
+ *
+ * This is a getter for cr8, which used to sync with the tpr in qemu
+ * apic emualtion.
+ *
+ * \param kvm Pointer to the current kvm_context
+ * \param vcpu Which virtual CPU should get dumped
+ */
+__u64 kvm_get_cr8(kvm_vcpu_context_t vcpu);
+#endif
+
+/*!
+ * \brief Set a vcpu's signal mask for guest mode
+ *
+ * A vcpu can have different signals blocked in guest mode and user mode.
+ * This allows guest execution to be interrupted on a signal, without requiring
+ * that the signal be delivered to a signal handler (the signal can be
+ * dequeued using sigwait(2).
+ *
+ * \param kvm Pointer to the current kvm_context
+ * \param vcpu Which virtual CPU should be initialized
+ * \param sigset signal mask for guest mode
+ * \return 0 on success, or -errno on error
+ */
+int kvm_set_signal_mask(kvm_vcpu_context_t vcpu, const sigset_t *sigset);
+
+/*!
+ * \brief Dump VCPU registers
+ *
+ * This dumps some of the information that KVM has about a virtual CPU, namely:
+ * - GP Registers
+ *
+ * A much more verbose version of this is available as kvm_dump_vcpu()
+ *
+ * \param kvm Pointer to the current kvm_context
+ * \param vcpu Which virtual CPU should get dumped
+ * \return 0 on success
+ */
+void kvm_show_regs(kvm_vcpu_context_t vcpu);
+
+
+void *kvm_create_phys_mem(kvm_context_t, unsigned long phys_start,
+ unsigned long len, int log, int writable);
+void kvm_destroy_phys_mem(kvm_context_t, unsigned long phys_start,
+ unsigned long len);
+void kvm_unregister_memory_area(kvm_context_t, uint64_t phys_start,
+ unsigned long len);
+
+int kvm_is_containing_region(kvm_context_t kvm, unsigned long phys_start, unsigned long size);
+int kvm_register_phys_mem(kvm_context_t kvm,
+ unsigned long phys_start, void *userspace_addr,
+ unsigned long len, int log);
+int kvm_get_dirty_pages(kvm_context_t, unsigned long phys_addr, void *buf);
+int kvm_get_dirty_pages_range(kvm_context_t kvm, unsigned long phys_addr,
+ unsigned long end_addr, void*opaque,
+ int (*cb)(unsigned long start, unsigned long len,
+ void*bitmap, void *opaque));
+int kvm_register_coalesced_mmio(kvm_context_t kvm,
+ uint64_t addr, uint32_t size);
+int kvm_unregister_coalesced_mmio(kvm_context_t kvm,
+ uint64_t addr, uint32_t size);
+
+/*!
+ * \brief Create a memory alias
+ *
+ * Aliases a portion of physical memory to another portion. If the guest
+ * accesses the alias region, it will behave exactly as if it accessed
+ * the target memory.
+ */
+int kvm_create_memory_alias(kvm_context_t,
+ uint64_t phys_start, uint64_t len,
+ uint64_t target_phys);
+
+/*!
+ * \brief Destroy a memory alias
+ *
+ * Removes an alias created with kvm_create_memory_alias().
+ */
+int kvm_destroy_memory_alias(kvm_context_t, uint64_t phys_start);
+
+/*!
+ * \brief Get a bitmap of guest ram pages which are allocated to the guest.
+ *
+ * \param kvm Pointer to the current kvm_context
+ * \param phys_addr Memory slot phys addr
+ * \param bitmap Long aligned address of a big enough bitmap (one bit per page)
+ */
+int kvm_get_mem_map(kvm_context_t kvm, unsigned long phys_addr, void *bitmap);
+int kvm_get_mem_map_range(kvm_context_t kvm, unsigned long phys_addr,
+ unsigned long len, void *buf, void *opaque,
+ int (*cb)(unsigned long start,unsigned long len,
+ void* bitmap, void* opaque));
+int kvm_set_irq_level(kvm_context_t kvm, int irq, int level, int *status);
+
+int kvm_dirty_pages_log_enable_slot(kvm_context_t kvm,
+ uint64_t phys_start,
+ uint64_t len);
+int kvm_dirty_pages_log_disable_slot(kvm_context_t kvm,
+ uint64_t phys_start,
+ uint64_t len);
+/*!
+ * \brief Enable dirty-pages-logging for all memory regions
+ *
+ * \param kvm Pointer to the current kvm_context
+ */
+int kvm_dirty_pages_log_enable_all(kvm_context_t kvm);
+
+/*!
+ * \brief Disable dirty-page-logging for some memory regions
+ *
+ * Disable dirty-pages-logging for those memory regions that were
+ * created with dirty-page-logging disabled.
+ *
+ * \param kvm Pointer to the current kvm_context
+ */
+int kvm_dirty_pages_log_reset(kvm_context_t kvm);
+
+/*!
+ * \brief Query whether in kernel irqchip is used
+ *
+ * \param kvm Pointer to the current kvm_context
+ */
+int kvm_irqchip_in_kernel(kvm_context_t kvm);
+
+#ifdef KVM_CAP_IRQCHIP
+/*!
+ * \brief Dump in kernel IRQCHIP contents
+ *
+ * Dump one of the in kernel irq chip devices, including PIC (master/slave)
+ * and IOAPIC into a kvm_irqchip structure
+ *
+ * \param kvm Pointer to the current kvm_context
+ * \param chip The irq chip device to be dumped
+ */
+int kvm_get_irqchip(kvm_context_t kvm, struct kvm_irqchip *chip);
+
+/*!
+ * \brief Set in kernel IRQCHIP contents
+ *
+ * Write one of the in kernel irq chip devices, including PIC (master/slave)
+ * and IOAPIC
+ *
+ *
+ * \param kvm Pointer to the current kvm_context
+ * \param chip THe irq chip device to be written
+ */
+int kvm_set_irqchip(kvm_context_t kvm, struct kvm_irqchip *chip);
+
+#if defined(__i386__) || defined(__x86_64__)
+/*!
+ * \brief Get in kernel local APIC for vcpu
+ *
+ * Save the local apic state including the timer of a virtual CPU
+ *
+ * \param kvm Pointer to the current kvm_context
+ * \param vcpu Which virtual CPU should be accessed
+ * \param s Local apic state of the specific virtual CPU
+ */
+int kvm_get_lapic(kvm_vcpu_context_t vcpu, struct kvm_lapic_state *s);
+
+/*!
+ * \brief Set in kernel local APIC for vcpu
+ *
+ * Restore the local apic state including the timer of a virtual CPU
+ *
+ * \param kvm Pointer to the current kvm_context
+ * \param vcpu Which virtual CPU should be accessed
+ * \param s Local apic state of the specific virtual CPU
+ */
+int kvm_set_lapic(kvm_vcpu_context_t vcpu, struct kvm_lapic_state *s);
+
+#endif
+
+/*!
+ * \brief Simulate an NMI
+ *
+ * This allows you to simulate a non-maskable interrupt.
+ *
+ * \param kvm Pointer to the current kvm_context
+ * \param vcpu Which virtual CPU should get dumped
+ * \return 0 on success
+ */
+int kvm_inject_nmi(kvm_vcpu_context_t vcpu);
+
+#endif
+
+/*!
+ * \brief Query wheather in kernel pit is used
+ *
+ * \param kvm Pointer to the current kvm_context
+ */
+int kvm_pit_in_kernel(kvm_context_t kvm);
+
+/*!
+ * \brief Initialize coalesced MMIO
+ *
+ * Check for coalesced MMIO capability and store in context
+ *
+ * \param kvm Pointer to the current kvm_context
+ */
+int kvm_init_coalesced_mmio(kvm_context_t kvm);
+
+#ifdef KVM_CAP_PIT
+
+#if defined(__i386__) || defined(__x86_64__)
+/*!
+ * \brief Get in kernel PIT of the virtual domain
+ *
+ * Save the PIT state.
+ *
+ * \param kvm Pointer to the current kvm_context
+ * \param s PIT state of the virtual domain
+ */
+int kvm_get_pit(kvm_context_t kvm, struct kvm_pit_state *s);
+
+/*!
+ * \brief Set in kernel PIT of the virtual domain
+ *
+ * Restore the PIT state.
+ * Timer would be retriggerred after restored.
+ *
+ * \param kvm Pointer to the current kvm_context
+ * \param s PIT state of the virtual domain
+ */
+int kvm_set_pit(kvm_context_t kvm, struct kvm_pit_state *s);
+
+int kvm_reinject_control(kvm_context_t kvm, int pit_reinject);
+
+#ifdef KVM_CAP_PIT_STATE2
+/*!
+ * \brief Check for kvm support of kvm_pit_state2
+ *
+ * \param kvm Pointer to the current kvm_context
+ * \return 0 on success
+ */
+int kvm_has_pit_state2(kvm_context_t kvm);
+
+/*!
+ * \brief Set in kernel PIT state2 of the virtual domain
+ *
+ *
+ * \param kvm Pointer to the current kvm_context
+ * \param ps2 PIT state2 of the virtual domain
+ * \return 0 on success
+ */
+int kvm_set_pit2(kvm_context_t kvm, struct kvm_pit_state2 *ps2);
+
+/*!
+ * \brief Get in kernel PIT state2 of the virtual domain
+ *
+ *
+ * \param kvm Pointer to the current kvm_context
+ * \param ps2 PIT state2 of the virtual domain
+ * \return 0 on success
+ */
+int kvm_get_pit2(kvm_context_t kvm, struct kvm_pit_state2 *ps2);
+
+#endif
+#endif
+#endif
+
+#ifdef KVM_CAP_VAPIC
+
+/*!
+ * \brief Enable kernel tpr access reporting
+ *
+ * When tpr access reporting is enabled, the kernel will call the
+ * ->tpr_access() callback every time the guest vcpu accesses the tpr.
+ *
+ * \param kvm Pointer to the current kvm_context
+ * \param vcpu vcpu to enable tpr access reporting on
+ */
+int kvm_enable_tpr_access_reporting(kvm_vcpu_context_t vcpu);
+
+/*!
+ * \brief Disable kernel tpr access reporting
+ *
+ * Undoes the effect of kvm_enable_tpr_access_reporting().
+ *
+ * \param kvm Pointer to the current kvm_context
+ * \param vcpu vcpu to disable tpr access reporting on
+ */
+int kvm_disable_tpr_access_reporting(kvm_vcpu_context_t vcpu);
+
+int kvm_enable_vapic(kvm_vcpu_context_t vcpu, uint64_t vapic);
+
+#endif
+
+#if defined(__s390__)
+int kvm_s390_initial_reset(kvm_context_t kvm, int slot);
+int kvm_s390_interrupt(kvm_context_t kvm, int slot,
+ struct kvm_s390_interrupt *kvmint);
+int kvm_s390_set_initial_psw(kvm_context_t kvm, int slot, psw_t psw);
+int kvm_s390_store_status(kvm_context_t kvm, int slot, unsigned long addr);
+#endif
+
+#ifdef KVM_CAP_DEVICE_ASSIGNMENT
+/*!
+ * \brief Notifies host kernel about a PCI device to be assigned to a guest
+ *
+ * Used for PCI device assignment, this function notifies the host
+ * kernel about the assigning of the physical PCI device to a guest.
+ *
+ * \param kvm Pointer to the current kvm_context
+ * \param assigned_dev Parameters, like bus, devfn number, etc
+ */
+int kvm_assign_pci_device(kvm_context_t kvm,
+ struct kvm_assigned_pci_dev *assigned_dev);
+
+/*!
+ * \brief Assign IRQ for an assigned device
+ *
+ * Used for PCI device assignment, this function assigns IRQ numbers for
+ * an physical device and guest IRQ handling.
+ *
+ * \param kvm Pointer to the current kvm_context
+ * \param assigned_irq Parameters, like dev id, host irq, guest irq, etc
+ */
+int kvm_assign_irq(kvm_context_t kvm,
+ struct kvm_assigned_irq *assigned_irq);
+
+#ifdef KVM_CAP_ASSIGN_DEV_IRQ
+/*!
+ * \brief Deassign IRQ for an assigned device
+ *
+ * Used for PCI device assignment, this function deassigns IRQ numbers
+ * for an assigned device.
+ *
+ * \param kvm Pointer to the current kvm_context
+ * \param assigned_irq Parameters, like dev id, host irq, guest irq, etc
+ */
+int kvm_deassign_irq(kvm_context_t kvm,
+ struct kvm_assigned_irq *assigned_irq);
+#endif
+#endif
+
+/*!
+ * \brief Determines whether destroying memory regions is allowed
+ *
+ * KVM before 2.6.29 had a bug when destroying memory regions.
+ *
+ * \param kvm Pointer to the current kvm_context
+ */
+int kvm_destroy_memory_region_works(kvm_context_t kvm);
+
+#ifdef KVM_CAP_DEVICE_DEASSIGNMENT
+/*!
+ * \brief Notifies host kernel about a PCI device to be deassigned from a guest
+ *
+ * Used for hot remove PCI device, this function notifies the host
+ * kernel about the deassigning of the physical PCI device from a guest.
+ *
+ * \param kvm Pointer to the current kvm_context
+ * \param assigned_dev Parameters, like bus, devfn number, etc
+ */
+int kvm_deassign_pci_device(kvm_context_t kvm,
+ struct kvm_assigned_pci_dev *assigned_dev);
+#endif
+
+/*!
+ * \brief Checks whether the generic irq routing capability is present
+ *
+ * Checks whether kvm can reroute interrupts among the various interrupt
+ * controllers.
+ *
+ * \param kvm Pointer to the current kvm_context
+ */
+int kvm_has_gsi_routing(kvm_context_t kvm);
+
+/*!
+ * \brief Determines the number of gsis that can be routed
+ *
+ * Returns the number of distinct gsis that can be routed by kvm. This is
+ * also the number of distinct routes (if a gsi has two routes, than another
+ * gsi cannot be used...)
+ *
+ * \param kvm Pointer to the current kvm_context
+ */
+int kvm_get_gsi_count(kvm_context_t kvm);
+
+/*!
+ * \brief Clears the temporary irq routing table
+ *
+ * Clears the temporary irq routing table. Nothing is committed to the
+ * running VM.
+ *
+ * \param kvm Pointer to the current kvm_context
+ */
+int kvm_clear_gsi_routes(kvm_context_t kvm);
+
+/*!
+ * \brief Adds an irq route to the temporary irq routing table
+ *
+ * Adds an irq route to the temporary irq routing table. Nothing is
+ * committed to the running VM.
+ *
+ * \param kvm Pointer to the current kvm_context
+ */
+int kvm_add_irq_route(kvm_context_t kvm, int gsi, int irqchip, int pin);
+
+/*!
+ * \brief Removes an irq route from the temporary irq routing table
+ *
+ * Adds an irq route to the temporary irq routing table. Nothing is
+ * committed to the running VM.
+ *
+ * \param kvm Pointer to the current kvm_context
+ */
+int kvm_del_irq_route(kvm_context_t kvm, int gsi, int irqchip, int pin);
+
+struct kvm_irq_routing_entry;
+/*!
+ * \brief Adds a routing entry to the temporary irq routing table
+ *
+ * Adds a filled routing entry to the temporary irq routing table. Nothing is
+ * committed to the running VM.
+ *
+ * \param kvm Pointer to the current kvm_context
+ */
+int kvm_add_routing_entry(kvm_context_t kvm,
+ struct kvm_irq_routing_entry* entry);
+
+/*!
+ * \brief Removes a routing from the temporary irq routing table
+ *
+ * Remove a routing to the temporary irq routing table. Nothing is
+ * committed to the running VM.
+ *
+ * \param kvm Pointer to the current kvm_context
+ */
+int kvm_del_routing_entry(kvm_context_t kvm,
+ struct kvm_irq_routing_entry* entry);
+
+/*!
+ * \brief Updates a routing in the temporary irq routing table
+ *
+ * Update a routing in the temporary irq routing table
+ * with a new value. entry type and GSI can not be changed.
+ * Nothing is committed to the running VM.
+ *
+ * \param kvm Pointer to the current kvm_context
+ */
+int kvm_update_routing_entry(kvm_context_t kvm,
+ struct kvm_irq_routing_entry* entry,
+ struct kvm_irq_routing_entry* newentry
+);
+
+/*!
+ * \brief Commit the temporary irq routing table
+ *
+ * Commit the temporary irq routing table to the running VM.
+ *
+ * \param kvm Pointer to the current kvm_context
+ */
+int kvm_commit_irq_routes(kvm_context_t kvm);
+
+/*!
+ * \brief Get unused GSI number for irq routing table
+ *
+ * Get unused GSI number for irq routing table
+ *
+ * \param kvm Pointer to the current kvm_context
+ */
+int kvm_get_irq_route_gsi(kvm_context_t kvm);
+
+/*!
+ * \brief Create a file descriptor for injecting interrupts
+ *
+ * Creates an eventfd based file-descriptor that maps to a specific GSI
+ * in the guest. eventfd compliant signaling (write() from userspace, or
+ * eventfd_signal() from kernelspace) will cause the GSI to inject
+ * itself into the guest at the next available window.
+ *
+ * \param kvm Pointer to the current kvm_context
+ * \param gsi GSI to assign to this fd
+ * \param flags reserved, must be zero
+ */
+int kvm_irqfd(kvm_context_t kvm, int gsi, int flags);
+
+#ifdef KVM_CAP_DEVICE_MSIX
+int kvm_assign_set_msix_nr(kvm_context_t kvm,
+ struct kvm_assigned_msix_nr *msix_nr);
+int kvm_assign_set_msix_entry(kvm_context_t kvm,
+ struct kvm_assigned_msix_entry *entry);
+#endif
+
+uint32_t kvm_get_supported_cpuid(kvm_context_t kvm, uint32_t function, int reg);
+
+#else /* !CONFIG_KVM */
+
+struct kvm_pit_state { };
+
+#endif /* !CONFIG_KVM */
+
int kvm_main_loop(void);
int kvm_qemu_init(void);
@@ -18,8 +18,6 @@
#ifndef KVM_X86_H
#define KVM_X86_H
-#include "libkvm-all.h"
-
#define PAGE_SIZE 4096ul
#define PAGE_MASK (~(PAGE_SIZE - 1))
Sharing of structures containing each other between libkvm-all.h and qemu-kmv.h gets a bit messy in this series. So fold them together. libkvm-all.h has no place in the final schema of things anyway. Signed-off-by: Glauber Costa <glommer@redhat.com> --- kvm.h | 1 - libkvm-all.h | 934 -------------------------------------------------- qemu-kvm-ia64.c | 1 - qemu-kvm-x86.c | 1 - qemu-kvm.c | 1 - qemu-kvm.h | 927 +++++++++++++++++++++++++++++++++++++++++++++++++- target-i386/libkvm.h | 2 - 7 files changed, 926 insertions(+), 941 deletions(-) delete mode 100644 libkvm-all.h