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https://github.com/projectacrn/acrn-hypervisor.git
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977c4b20b5
MISRA C required that return value should be used, missing for it should add "(void)" prefix before the function call. Some function can be declared without return value to avoid this problem. Signed-off-by: Huihuang Shi <huihuang.shi@intel.com> Acked-by: Eddie Dong <eddie.dong@intel.com>
52 lines
1.9 KiB
C
52 lines
1.9 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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void get_vmexit_profile(char *str, int str_max);
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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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#endif /* VMEXIT_H_ */
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