diff options
author | 2017-04-25 03:31:15 -0700 | |
---|---|---|
committer | 2017-05-22 06:48:08 +0000 | |
commit | bb756eebdac6fd24e8919e2c43f7d2c8c4091f59 (patch) | |
tree | ca11e03542edf2d8f631efeca5e1626d211107e3 /qemu/include/sysemu/kvm.h | |
parent | a14b48d18a9ed03ec191cf16b162206998a895ce (diff) |
Adding qemu as a submodule of KVMFORNFV
This Patch includes the changes to add qemu as a submodule to
kvmfornfv repo and make use of the updated latest qemu for the
execution of all testcase
Change-Id: I1280af507a857675c7f81d30c95255635667bdd7
Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>
Diffstat (limited to 'qemu/include/sysemu/kvm.h')
-rw-r--r-- | qemu/include/sysemu/kvm.h | 526 |
1 files changed, 0 insertions, 526 deletions
diff --git a/qemu/include/sysemu/kvm.h b/qemu/include/sysemu/kvm.h deleted file mode 100644 index 0e18f15c9..000000000 --- a/qemu/include/sysemu/kvm.h +++ /dev/null @@ -1,526 +0,0 @@ -/* - * QEMU KVM support - * - * Copyright IBM, Corp. 2008 - * - * Authors: - * Anthony Liguori <aliguori@us.ibm.com> - * - * This work is licensed under the terms of the GNU GPL, version 2 or later. - * See the COPYING file in the top-level directory. - * - */ - -#ifndef QEMU_KVM_H -#define QEMU_KVM_H - -#include "qemu/queue.h" -#include "qom/cpu.h" -#include "exec/memattrs.h" -#include "hw/irq.h" - -#ifdef CONFIG_KVM -#include <linux/kvm.h> -#include <linux/kvm_para.h> -#else -/* These constants must never be used at runtime if kvm_enabled() is false. - * They exist so we don't need #ifdefs around KVM-specific code that already - * checks kvm_enabled() properly. - */ -#define KVM_CPUID_SIGNATURE 0 -#define KVM_CPUID_FEATURES 0 -#define KVM_FEATURE_CLOCKSOURCE 0 -#define KVM_FEATURE_NOP_IO_DELAY 0 -#define KVM_FEATURE_MMU_OP 0 -#define KVM_FEATURE_CLOCKSOURCE2 0 -#define KVM_FEATURE_ASYNC_PF 0 -#define KVM_FEATURE_STEAL_TIME 0 -#define KVM_FEATURE_PV_EOI 0 -#define KVM_FEATURE_CLOCKSOURCE_STABLE_BIT 0 -#endif - -extern bool kvm_allowed; -extern bool kvm_kernel_irqchip; -extern bool kvm_split_irqchip; -extern bool kvm_async_interrupts_allowed; -extern bool kvm_halt_in_kernel_allowed; -extern bool kvm_eventfds_allowed; -extern bool kvm_irqfds_allowed; -extern bool kvm_resamplefds_allowed; -extern bool kvm_msi_via_irqfd_allowed; -extern bool kvm_gsi_routing_allowed; -extern bool kvm_gsi_direct_mapping; -extern bool kvm_readonly_mem_allowed; -extern bool kvm_direct_msi_allowed; -extern bool kvm_ioeventfd_any_length_allowed; - -#if defined CONFIG_KVM || !defined NEED_CPU_H -#define kvm_enabled() (kvm_allowed) -/** - * kvm_irqchip_in_kernel: - * - * Returns: true if the user asked us to create an in-kernel - * irqchip via the "kernel_irqchip=on" machine option. - * What this actually means is architecture and machine model - * specific: on PC, for instance, it means that the LAPIC, - * IOAPIC and PIT are all in kernel. This function should never - * be used from generic target-independent code: use one of the - * following functions or some other specific check instead. - */ -#define kvm_irqchip_in_kernel() (kvm_kernel_irqchip) - -/** - * kvm_irqchip_is_split: - * - * Returns: true if the user asked us to split the irqchip - * implementation between user and kernel space. The details are - * architecture and machine specific. On PC, it means that the PIC, - * IOAPIC, and PIT are in user space while the LAPIC is in the kernel. - */ -#define kvm_irqchip_is_split() (kvm_split_irqchip) - -/** - * kvm_async_interrupts_enabled: - * - * Returns: true if we can deliver interrupts to KVM - * asynchronously (ie by ioctl from any thread at any time) - * rather than having to do interrupt delivery synchronously - * (where the vcpu must be stopped at a suitable point first). - */ -#define kvm_async_interrupts_enabled() (kvm_async_interrupts_allowed) - -/** - * kvm_halt_in_kernel - * - * Returns: true if halted cpus should still get a KVM_RUN ioctl to run - * inside of kernel space. This only works if MP state is implemented. - */ -#define kvm_halt_in_kernel() (kvm_halt_in_kernel_allowed) - -/** - * kvm_eventfds_enabled: - * - * Returns: true if we can use eventfds to receive notifications - * from a KVM CPU (ie the kernel supports eventds and we are running - * with a configuration where it is meaningful to use them). - */ -#define kvm_eventfds_enabled() (kvm_eventfds_allowed) - -/** - * kvm_irqfds_enabled: - * - * Returns: true if we can use irqfds to inject interrupts into - * a KVM CPU (ie the kernel supports irqfds and we are running - * with a configuration where it is meaningful to use them). - */ -#define kvm_irqfds_enabled() (kvm_irqfds_allowed) - -/** - * kvm_resamplefds_enabled: - * - * Returns: true if we can use resamplefds to inject interrupts into - * a KVM CPU (ie the kernel supports resamplefds and we are running - * with a configuration where it is meaningful to use them). - */ -#define kvm_resamplefds_enabled() (kvm_resamplefds_allowed) - -/** - * kvm_msi_via_irqfd_enabled: - * - * Returns: true if we can route a PCI MSI (Message Signaled Interrupt) - * to a KVM CPU via an irqfd. This requires that the kernel supports - * this and that we're running in a configuration that permits it. - */ -#define kvm_msi_via_irqfd_enabled() (kvm_msi_via_irqfd_allowed) - -/** - * kvm_gsi_routing_enabled: - * - * Returns: true if GSI routing is enabled (ie the kernel supports - * it and we're running in a configuration that permits it). - */ -#define kvm_gsi_routing_enabled() (kvm_gsi_routing_allowed) - -/** - * kvm_gsi_direct_mapping: - * - * Returns: true if GSI direct mapping is enabled. - */ -#define kvm_gsi_direct_mapping() (kvm_gsi_direct_mapping) - -/** - * kvm_readonly_mem_enabled: - * - * Returns: true if KVM readonly memory is enabled (ie the kernel - * supports it and we're running in a configuration that permits it). - */ -#define kvm_readonly_mem_enabled() (kvm_readonly_mem_allowed) - -/** - * kvm_direct_msi_enabled: - * - * Returns: true if KVM allows direct MSI injection. - */ -#define kvm_direct_msi_enabled() (kvm_direct_msi_allowed) - -/** - * kvm_ioeventfd_any_length_enabled: - * Returns: true if KVM allows any length io eventfd. - */ -#define kvm_ioeventfd_any_length_enabled() (kvm_ioeventfd_any_length_allowed) - -#else -#define kvm_enabled() (0) -#define kvm_irqchip_in_kernel() (false) -#define kvm_irqchip_is_split() (false) -#define kvm_async_interrupts_enabled() (false) -#define kvm_halt_in_kernel() (false) -#define kvm_eventfds_enabled() (false) -#define kvm_irqfds_enabled() (false) -#define kvm_resamplefds_enabled() (false) -#define kvm_msi_via_irqfd_enabled() (false) -#define kvm_gsi_routing_allowed() (false) -#define kvm_gsi_direct_mapping() (false) -#define kvm_readonly_mem_enabled() (false) -#define kvm_direct_msi_enabled() (false) -#define kvm_ioeventfd_any_length_enabled() (false) -#endif - -struct kvm_run; -struct kvm_lapic_state; -struct kvm_irq_routing_entry; - -typedef struct KVMCapabilityInfo { - const char *name; - int value; -} KVMCapabilityInfo; - -#define KVM_CAP_INFO(CAP) { "KVM_CAP_" stringify(CAP), KVM_CAP_##CAP } -#define KVM_CAP_LAST_INFO { NULL, 0 } - -struct KVMState; -typedef struct KVMState KVMState; -extern KVMState *kvm_state; - -/* external API */ - -bool kvm_has_free_slot(MachineState *ms); -int kvm_has_sync_mmu(void); -int kvm_has_vcpu_events(void); -int kvm_has_robust_singlestep(void); -int kvm_has_debugregs(void); -int kvm_has_pit_state2(void); -int kvm_has_many_ioeventfds(void); -int kvm_has_gsi_routing(void); -int kvm_has_intx_set_mask(void); - -int kvm_init_vcpu(CPUState *cpu); -int kvm_cpu_exec(CPUState *cpu); - -#ifdef NEED_CPU_H - -void kvm_setup_guest_memory(void *start, size_t size); -void kvm_flush_coalesced_mmio_buffer(void); - -int kvm_insert_breakpoint(CPUState *cpu, target_ulong addr, - target_ulong len, int type); -int kvm_remove_breakpoint(CPUState *cpu, target_ulong addr, - target_ulong len, int type); -void kvm_remove_all_breakpoints(CPUState *cpu); -int kvm_update_guest_debug(CPUState *cpu, unsigned long reinject_trap); -#ifndef _WIN32 -int kvm_set_signal_mask(CPUState *cpu, const sigset_t *sigset); -#endif - -int kvm_on_sigbus_vcpu(CPUState *cpu, int code, void *addr); -int kvm_on_sigbus(int code, void *addr); - -/* interface with exec.c */ - -void phys_mem_set_alloc(void *(*alloc)(size_t, uint64_t *align)); - -/* internal API */ - -int kvm_ioctl(KVMState *s, int type, ...); - -int kvm_vm_ioctl(KVMState *s, int type, ...); - -int kvm_vcpu_ioctl(CPUState *cpu, int type, ...); - -/** - * kvm_device_ioctl - call an ioctl on a kvm device - * @fd: The KVM device file descriptor as returned from KVM_CREATE_DEVICE - * @type: The device-ctrl ioctl number - * - * Returns: -errno on error, nonnegative on success - */ -int kvm_device_ioctl(int fd, int type, ...); - -/** - * kvm_vm_check_attr - check for existence of a specific vm attribute - * @s: The KVMState pointer - * @group: the group - * @attr: the attribute of that group to query for - * - * Returns: 1 if the attribute exists - * 0 if the attribute either does not exist or if the vm device - * interface is unavailable - */ -int kvm_vm_check_attr(KVMState *s, uint32_t group, uint64_t attr); - -/** - * kvm_device_check_attr - check for existence of a specific device attribute - * @fd: The device file descriptor - * @group: the group - * @attr: the attribute of that group to query for - * - * Returns: 1 if the attribute exists - * 0 if the attribute either does not exist or if the vm device - * interface is unavailable - */ -int kvm_device_check_attr(int fd, uint32_t group, uint64_t attr); - -/** - * kvm_device_access - set or get value of a specific vm attribute - * @fd: The device file descriptor - * @group: the group - * @attr: the attribute of that group to set or get - * @val: pointer to a storage area for the value - * @write: true for set and false for get operation - * - * This function is not allowed to fail. Use kvm_device_check_attr() - * in order to check for the availability of optional attributes. - */ -void kvm_device_access(int fd, int group, uint64_t attr, - void *val, bool write); - -/** - * kvm_create_device - create a KVM device for the device control API - * @KVMState: The KVMState pointer - * @type: The KVM device type (see Documentation/virtual/kvm/devices in the - * kernel source) - * @test: If true, only test if device can be created, but don't actually - * create the device. - * - * Returns: -errno on error, nonnegative on success: @test ? 0 : device fd; - */ -int kvm_create_device(KVMState *s, uint64_t type, bool test); - -/** - * kvm_device_supported - probe whether KVM supports specific device - * - * @vmfd: The fd handler for VM - * @type: type of device - * - * @return: true if supported, otherwise false. - */ -bool kvm_device_supported(int vmfd, uint64_t type); - -/* Arch specific hooks */ - -extern const KVMCapabilityInfo kvm_arch_required_capabilities[]; - -void kvm_arch_pre_run(CPUState *cpu, struct kvm_run *run); -MemTxAttrs kvm_arch_post_run(CPUState *cpu, struct kvm_run *run); - -int kvm_arch_handle_exit(CPUState *cpu, struct kvm_run *run); - -int kvm_arch_handle_ioapic_eoi(CPUState *cpu, struct kvm_run *run); - -int kvm_arch_process_async_events(CPUState *cpu); - -int kvm_arch_get_registers(CPUState *cpu); - -/* state subset only touched by the VCPU itself during runtime */ -#define KVM_PUT_RUNTIME_STATE 1 -/* state subset modified during VCPU reset */ -#define KVM_PUT_RESET_STATE 2 -/* full state set, modified during initialization or on vmload */ -#define KVM_PUT_FULL_STATE 3 - -int kvm_arch_put_registers(CPUState *cpu, int level); - -int kvm_arch_init(MachineState *ms, KVMState *s); - -int kvm_arch_init_vcpu(CPUState *cpu); - -/* Returns VCPU ID to be used on KVM_CREATE_VCPU ioctl() */ -unsigned long kvm_arch_vcpu_id(CPUState *cpu); - -int kvm_arch_on_sigbus_vcpu(CPUState *cpu, int code, void *addr); -int kvm_arch_on_sigbus(int code, void *addr); - -void kvm_arch_init_irq_routing(KVMState *s); - -int kvm_arch_fixup_msi_route(struct kvm_irq_routing_entry *route, - uint64_t address, uint32_t data, PCIDevice *dev); - -int kvm_arch_msi_data_to_gsi(uint32_t data); - -int kvm_set_irq(KVMState *s, int irq, int level); -int kvm_irqchip_send_msi(KVMState *s, MSIMessage msg); - -void kvm_irqchip_add_irq_route(KVMState *s, int gsi, int irqchip, int pin); -void kvm_irqchip_commit_routes(KVMState *s); - -void kvm_put_apic_state(DeviceState *d, struct kvm_lapic_state *kapic); -void kvm_get_apic_state(DeviceState *d, struct kvm_lapic_state *kapic); - -struct kvm_guest_debug; -struct kvm_debug_exit_arch; - -struct kvm_sw_breakpoint { - target_ulong pc; - target_ulong saved_insn; - int use_count; - QTAILQ_ENTRY(kvm_sw_breakpoint) entry; -}; - -QTAILQ_HEAD(kvm_sw_breakpoint_head, kvm_sw_breakpoint); - -struct kvm_sw_breakpoint *kvm_find_sw_breakpoint(CPUState *cpu, - target_ulong pc); - -int kvm_sw_breakpoints_active(CPUState *cpu); - -int kvm_arch_insert_sw_breakpoint(CPUState *cpu, - struct kvm_sw_breakpoint *bp); -int kvm_arch_remove_sw_breakpoint(CPUState *cpu, - struct kvm_sw_breakpoint *bp); -int kvm_arch_insert_hw_breakpoint(target_ulong addr, - target_ulong len, int type); -int kvm_arch_remove_hw_breakpoint(target_ulong addr, - target_ulong len, int type); -void kvm_arch_remove_all_hw_breakpoints(void); - -void kvm_arch_update_guest_debug(CPUState *cpu, struct kvm_guest_debug *dbg); - -bool kvm_arch_stop_on_emulation_error(CPUState *cpu); - -int kvm_check_extension(KVMState *s, unsigned int extension); - -int kvm_vm_check_extension(KVMState *s, unsigned int extension); - -#define kvm_vm_enable_cap(s, capability, cap_flags, ...) \ - ({ \ - struct kvm_enable_cap cap = { \ - .cap = capability, \ - .flags = cap_flags, \ - }; \ - uint64_t args_tmp[] = { __VA_ARGS__ }; \ - int i; \ - for (i = 0; i < (int)ARRAY_SIZE(args_tmp) && \ - i < ARRAY_SIZE(cap.args); i++) { \ - cap.args[i] = args_tmp[i]; \ - } \ - kvm_vm_ioctl(s, KVM_ENABLE_CAP, &cap); \ - }) - -#define kvm_vcpu_enable_cap(cpu, capability, cap_flags, ...) \ - ({ \ - struct kvm_enable_cap cap = { \ - .cap = capability, \ - .flags = cap_flags, \ - }; \ - uint64_t args_tmp[] = { __VA_ARGS__ }; \ - int i; \ - for (i = 0; i < (int)ARRAY_SIZE(args_tmp) && \ - i < ARRAY_SIZE(cap.args); i++) { \ - cap.args[i] = args_tmp[i]; \ - } \ - kvm_vcpu_ioctl(cpu, KVM_ENABLE_CAP, &cap); \ - }) - -uint32_t kvm_arch_get_supported_cpuid(KVMState *env, uint32_t function, - uint32_t index, int reg); - -void kvm_set_sigmask_len(KVMState *s, unsigned int sigmask_len); - -#if !defined(CONFIG_USER_ONLY) -int kvm_physical_memory_addr_from_host(KVMState *s, void *ram_addr, - hwaddr *phys_addr); -#endif - -#endif /* NEED_CPU_H */ - -void kvm_cpu_synchronize_state(CPUState *cpu); -void kvm_cpu_synchronize_post_reset(CPUState *cpu); -void kvm_cpu_synchronize_post_init(CPUState *cpu); - -/* generic hooks - to be moved/refactored once there are more users */ - -static inline void cpu_synchronize_state(CPUState *cpu) -{ - if (kvm_enabled()) { - kvm_cpu_synchronize_state(cpu); - } -} - -static inline void cpu_synchronize_post_reset(CPUState *cpu) -{ - if (kvm_enabled()) { - kvm_cpu_synchronize_post_reset(cpu); - } -} - -static inline void cpu_synchronize_post_init(CPUState *cpu) -{ - if (kvm_enabled()) { - kvm_cpu_synchronize_post_init(cpu); - } -} - -int kvm_irqchip_add_msi_route(KVMState *s, MSIMessage msg, PCIDevice *dev); -int kvm_irqchip_update_msi_route(KVMState *s, int virq, MSIMessage msg, - PCIDevice *dev); -void kvm_irqchip_release_virq(KVMState *s, int virq); - -int kvm_irqchip_add_adapter_route(KVMState *s, AdapterInfo *adapter); -int kvm_irqchip_add_hv_sint_route(KVMState *s, uint32_t vcpu, uint32_t sint); - -int kvm_irqchip_add_irqfd_notifier_gsi(KVMState *s, EventNotifier *n, - EventNotifier *rn, int virq); -int kvm_irqchip_remove_irqfd_notifier_gsi(KVMState *s, EventNotifier *n, - int virq); -int kvm_irqchip_add_irqfd_notifier(KVMState *s, EventNotifier *n, - EventNotifier *rn, qemu_irq irq); -int kvm_irqchip_remove_irqfd_notifier(KVMState *s, EventNotifier *n, - qemu_irq irq); -void kvm_irqchip_set_qemuirq_gsi(KVMState *s, qemu_irq irq, int gsi); -void kvm_pc_gsi_handler(void *opaque, int n, int level); -void kvm_pc_setup_irq_routing(bool pci_enabled); -void kvm_init_irq_routing(KVMState *s); - -/** - * kvm_arch_irqchip_create: - * @KVMState: The KVMState pointer - * @MachineState: The MachineState pointer - * - * Allow architectures to create an in-kernel irq chip themselves. - * - * Returns: < 0: error - * 0: irq chip was not created - * > 0: irq chip was created - */ -int kvm_arch_irqchip_create(MachineState *ms, KVMState *s); - -/** - * kvm_set_one_reg - set a register value in KVM via KVM_SET_ONE_REG ioctl - * @id: The register ID - * @source: The pointer to the value to be set. It must point to a variable - * of the correct type/size for the register being accessed. - * - * Returns: 0 on success, or a negative errno on failure. - */ -int kvm_set_one_reg(CPUState *cs, uint64_t id, void *source); - -/** - * kvm_get_one_reg - get a register value from KVM via KVM_GET_ONE_REG ioctl - * @id: The register ID - * @target: The pointer where the value is to be stored. It must point to a - * variable of the correct type/size for the register being accessed. - * - * Returns: 0 on success, or a negative errno on failure. - */ -int kvm_get_one_reg(CPUState *cs, uint64_t id, void *target); -#endif |