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54 lines
1.6 KiB
C
54 lines
1.6 KiB
C
/*
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* QEMU Hypervisor.framework (HVF) support
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*
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* Copyright Google Inc., 2017
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or later.
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* See the COPYING file in the top-level directory.
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*
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*/
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/* header to be included in non-HVF-specific code */
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#ifndef _HVF_H
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#define _HVF_H
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#include "qemu-common.h"
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#include "qemu/bitops.h"
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#include "exec/memory.h"
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#include "sysemu/accel.h"
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extern bool hvf_allowed;
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#ifdef CONFIG_HVF
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uint32_t hvf_get_supported_cpuid(uint32_t func, uint32_t idx,
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int reg);
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#define hvf_enabled() (hvf_allowed)
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#else
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#define hvf_enabled() 0
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#define hvf_get_supported_cpuid(func, idx, reg) 0
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#endif
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/* Disable HVF if |disable| is 1, otherwise, enable it iff it is supported by
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* the host CPU. Use hvf_enabled() after this to get the result. */
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void hvf_disable(int disable);
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/* Returns non-0 if the host CPU supports the VMX "unrestricted guest" feature
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* which allows the virtual CPU to directly run in "real mode". If true, this
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* allows QEMU to run several vCPU threads in parallel (see cpus.c). Otherwise,
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* only a a single TCG thread can run, and it will call HVF to run the current
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* instructions, except in case of "real mode" (paging disabled, typically at
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* boot time), or MMIO operations. */
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int hvf_sync_vcpus(void);
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int hvf_init_vcpu(CPUState *);
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int hvf_vcpu_exec(CPUState *);
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int hvf_smp_cpu_exec(CPUState *);
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void hvf_cpu_synchronize_state(CPUState *);
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void hvf_cpu_synchronize_post_reset(CPUState *);
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void hvf_cpu_synchronize_post_init(CPUState *);
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void hvf_vcpu_destroy(CPUState *);
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void hvf_reset_vcpu(CPUState *);
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int hvf_put_registers(CPUState *);
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#endif
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