55 lines
2.0 KiB
C
55 lines
2.0 KiB
C
/*
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* Copyright (C) 2018 Intel Corporation. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#ifndef VMEXIT_H_
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#define VMEXIT_H_
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struct vm_exit_dispatch {
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int (*handler)(struct vcpu *);
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uint32_t need_exit_qualification;
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};
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int vmexit_handler(struct vcpu *vcpu);
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int vmcall_vmexit_handler(struct vcpu *vcpu);
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int cpuid_vmexit_handler(struct vcpu *vcpu);
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int cr_access_vmexit_handler(struct vcpu *vcpu);
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#define VM_EXIT_QUALIFICATION_BIT_MASK(exit_qual, MSB, LSB) \
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(exit_qual & (((1UL << (MSB+1))-1) - ((1UL << (LSB))-1)))
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/* MACROs to access Control-Register Info using exit qualification field */
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#define VM_EXIT_CR_ACCESS_CR_NUM(exit_qual) \
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(VM_EXIT_QUALIFICATION_BIT_MASK(exit_qual, 3, 0) >> 0)
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#define VM_EXIT_CR_ACCESS_ACCESS_TYPE(exit_qual) \
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(VM_EXIT_QUALIFICATION_BIT_MASK(exit_qual, 5, 4) >> 4)
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#define VM_EXIT_CR_ACCESS_LMSW_OP(exit_qual) \
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(VM_EXIT_QUALIFICATION_BIT_MASK(exit_qual, 6, 6) >> 6)
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#define VM_EXIT_CR_ACCESS_REG_IDX(exit_qual) \
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(VM_EXIT_QUALIFICATION_BIT_MASK(exit_qual, 11, 8) >> 8)
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#define VM_EXIT_CR_ACCESS_LMSW_SRC_DATE(exit_qual) \
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(VM_EXIT_QUALIFICATION_BIT_MASK(exit_qual, 31, 16) >> 16)
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/* MACROs to access IO Access Info using exit qualification field */
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#define VM_EXIT_IO_INSTRUCTION_SIZE(exit_qual) \
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(VM_EXIT_QUALIFICATION_BIT_MASK(exit_qual, 2, 0) >> 0)
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#define VM_EXIT_IO_INSTRUCTION_ACCESS_DIRECTION(exit_qual) \
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(VM_EXIT_QUALIFICATION_BIT_MASK(exit_qual, 3, 3) >> 3)
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#define VM_EXIT_IO_INSTRUCTION_IS_STRING(exit_qual) \
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(VM_EXIT_QUALIFICATION_BIT_MASK(exit_qual, 4, 4) >> 4)
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#define VM_EXIT_IO_INSTRUCTION_IS_REP_PREFIXED(exit_qual) \
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(VM_EXIT_QUALIFICATION_BIT_MASK(exit_qual, 5, 5) >> 5)
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#define VM_EXIT_IO_INSTRUCTION_IS_OPERAND_ENCODING(exit_qual) \
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(VM_EXIT_QUALIFICATION_BIT_MASK(exit_qual, 6, 6) >> 6)
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#define VM_EXIT_IO_INSTRUCTION_PORT_NUMBER(exit_qual) \
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(VM_EXIT_QUALIFICATION_BIT_MASK(exit_qual, 31, 16) >> 16)
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#ifdef HV_DEBUG
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void get_vmexit_profile(char *str, int str_max);
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#endif /* HV_DEBUG */
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#endif /* VMEXIT_H_ */
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