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688a41c290
Instead of "#include <x86/foo.h>", use "#include <asm/foo.h>". In other words, we are adopting the same practice in Linux kernel. Tracked-On: #5920 Signed-off-by: Liang Yi <yi.liang@intel.com> Reviewed-by: Jason Chen CJ <jason.cj.chen@intel.com>
90 lines
2.4 KiB
C
90 lines
2.4 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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int32_t (*handler)(struct acrn_vcpu *);
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uint32_t need_exit_qualification;
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};
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int32_t vmexit_handler(struct acrn_vcpu *vcpu);
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int32_t vmcall_vmexit_handler(struct acrn_vcpu *vcpu);
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int32_t cpuid_vmexit_handler(struct acrn_vcpu *vcpu);
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int32_t rdmsr_vmexit_handler(struct acrn_vcpu *vcpu);
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int32_t wrmsr_vmexit_handler(struct acrn_vcpu *vcpu);
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extern void vm_exit(void);
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static inline uint64_t
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vm_exit_qualification_bit_mask(uint64_t exit_qual, uint32_t msb, uint32_t lsb)
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{
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return (exit_qual &
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(((1UL << (msb + 1U)) - 1UL) - ((1UL << lsb) - 1UL)));
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}
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/* access Control-Register Info using exit qualification field */
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static inline uint64_t vm_exit_cr_access_cr_num(uint64_t exit_qual)
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{
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return (vm_exit_qualification_bit_mask(exit_qual, 3U, 0U) >> 0U);
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}
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static inline uint64_t vm_exit_cr_access_type(uint64_t exit_qual)
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{
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return (vm_exit_qualification_bit_mask(exit_qual, 5U, 4U) >> 4U);
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}
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static inline uint64_t vm_exit_cr_access_lmsw_op(uint64_t exit_qual)
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{
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return (vm_exit_qualification_bit_mask(exit_qual, 6U, 6U) >> 6U);
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}
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static inline uint64_t vm_exit_cr_access_reg_idx(uint64_t exit_qual)
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{
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return (vm_exit_qualification_bit_mask(exit_qual, 11U, 8U) >> 8U);
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}
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static inline uint64_t vm_exit_cr_access_lmsw_src_date(uint64_t exit_qual)
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{
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return (vm_exit_qualification_bit_mask(exit_qual, 31U, 16U) >> 16U);
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}
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/* access IO Access Info using exit qualification field */
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static inline uint64_t vm_exit_io_instruction_size(uint64_t exit_qual)
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{
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return (vm_exit_qualification_bit_mask(exit_qual, 2U, 0U) >> 0U);
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}
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static inline uint64_t
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vm_exit_io_instruction_access_direction(uint64_t exit_qual)
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{
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return (vm_exit_qualification_bit_mask(exit_qual, 3U, 3U) >> 3U);
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}
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static inline uint64_t vm_exit_io_instruction_is_string(uint64_t exit_qual)
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{
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return (vm_exit_qualification_bit_mask(exit_qual, 4U, 4U) >> 4U);
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}
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static inline uint64_t
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vm_exit_io_instruction_is_rep_prefixed(uint64_t exit_qual)
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{
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return (vm_exit_qualification_bit_mask(exit_qual, 5U, 5U) >> 5U);
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}
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static inline uint64_t
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vm_exit_io_instruction_is_operand_encoding(uint64_t exit_qual)
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{
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return (vm_exit_qualification_bit_mask(exit_qual, 6U, 6U) >> 6U);
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}
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static inline uint64_t vm_exit_io_instruction_port_number(uint64_t exit_qual)
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{
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return (vm_exit_qualification_bit_mask(exit_qual, 31U, 16U) >> 16U);
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}
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#endif /* VMEXIT_H_ */
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