2017-01-10 10:59:56 +00:00
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/*
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* QEMU HAXM support
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*
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* Copyright (c) 2011 Intel Corporation
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* Written by:
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* Jiang Yunhong<yunhong.jiang@intel.com>
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* Xin Xiaohui<xiaohui.xin@intel.com>
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* Zhang Xiantao<xiantao.zhang@intel.com>
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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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/* Interface with HAX kernel module */
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#ifndef _HAX_INTERFACE_H
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#define _HAX_INTERFACE_H
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/* fx_layout has 3 formats table 3-56, 512bytes */
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struct fx_layout {
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uint16_t fcw;
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uint16_t fsw;
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uint8_t ftw;
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uint8_t res1;
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uint16_t fop;
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union {
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struct {
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uint32_t fip;
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uint16_t fcs;
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uint16_t res2;
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};
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uint64_t fpu_ip;
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};
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union {
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struct {
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uint32_t fdp;
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uint16_t fds;
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uint16_t res3;
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};
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uint64_t fpu_dp;
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};
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uint32_t mxcsr;
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uint32_t mxcsr_mask;
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uint8_t st_mm[8][16];
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uint8_t mmx_1[8][16];
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uint8_t mmx_2[8][16];
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uint8_t pad[96];
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} __attribute__ ((aligned(8)));
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struct vmx_msr {
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uint64_t entry;
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uint64_t value;
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} __attribute__ ((__packed__));
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/*
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* Fixed array is not good, but it makes Mac support a bit easier by avoiding
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* memory map or copyin staff.
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*/
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#define HAX_MAX_MSR_ARRAY 0x20
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struct hax_msr_data {
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uint16_t nr_msr;
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uint16_t done;
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uint16_t pad[2];
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struct vmx_msr entries[HAX_MAX_MSR_ARRAY];
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} __attribute__ ((__packed__));
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union interruptibility_state_t {
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uint32_t raw;
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struct {
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uint32_t sti_blocking:1;
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uint32_t movss_blocking:1;
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uint32_t smi_blocking:1;
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uint32_t nmi_blocking:1;
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uint32_t reserved:28;
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};
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uint64_t pad;
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};
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typedef union interruptibility_state_t interruptibility_state_t;
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/* Segment descriptor */
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struct segment_desc_t {
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uint16_t selector;
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uint16_t _dummy;
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uint32_t limit;
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uint64_t base;
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union {
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struct {
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uint32_t type:4;
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uint32_t desc:1;
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uint32_t dpl:2;
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uint32_t present:1;
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uint32_t:4;
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uint32_t available:1;
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uint32_t long_mode:1;
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uint32_t operand_size:1;
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uint32_t granularity:1;
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uint32_t null:1;
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uint32_t:15;
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};
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uint32_t ar;
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};
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uint32_t ipad;
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};
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typedef struct segment_desc_t segment_desc_t;
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struct vcpu_state_t {
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union {
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uint64_t _regs[16];
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struct {
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union {
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struct {
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uint8_t _al, _ah;
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};
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uint16_t _ax;
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uint32_t _eax;
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uint64_t _rax;
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};
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union {
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struct {
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uint8_t _cl, _ch;
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};
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uint16_t _cx;
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uint32_t _ecx;
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uint64_t _rcx;
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};
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union {
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struct {
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uint8_t _dl, _dh;
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};
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uint16_t _dx;
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uint32_t _edx;
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uint64_t _rdx;
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};
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union {
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struct {
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uint8_t _bl, _bh;
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};
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uint16_t _bx;
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uint32_t _ebx;
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uint64_t _rbx;
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};
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union {
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uint16_t _sp;
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uint32_t _esp;
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uint64_t _rsp;
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};
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union {
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uint16_t _bp;
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uint32_t _ebp;
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uint64_t _rbp;
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};
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union {
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uint16_t _si;
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uint32_t _esi;
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uint64_t _rsi;
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};
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union {
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uint16_t _di;
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uint32_t _edi;
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uint64_t _rdi;
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};
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uint64_t _r8;
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uint64_t _r9;
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uint64_t _r10;
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uint64_t _r11;
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uint64_t _r12;
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uint64_t _r13;
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uint64_t _r14;
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uint64_t _r15;
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};
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};
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union {
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uint32_t _eip;
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uint64_t _rip;
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};
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union {
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uint32_t _eflags;
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uint64_t _rflags;
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};
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segment_desc_t _cs;
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segment_desc_t _ss;
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segment_desc_t _ds;
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segment_desc_t _es;
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segment_desc_t _fs;
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segment_desc_t _gs;
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segment_desc_t _ldt;
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segment_desc_t _tr;
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segment_desc_t _gdt;
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segment_desc_t _idt;
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uint64_t _cr0;
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uint64_t _cr2;
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uint64_t _cr3;
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uint64_t _cr4;
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uint64_t _dr0;
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uint64_t _dr1;
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uint64_t _dr2;
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uint64_t _dr3;
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uint64_t _dr6;
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uint64_t _dr7;
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uint64_t _pde;
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uint32_t _efer;
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uint32_t _sysenter_cs;
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uint64_t _sysenter_eip;
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uint64_t _sysenter_esp;
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uint32_t _activity_state;
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uint32_t pad;
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interruptibility_state_t _interruptibility_state;
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};
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/* HAX exit status */
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enum exit_status {
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/* IO port request */
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HAX_EXIT_IO = 1,
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/* MMIO instruction emulation */
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HAX_EXIT_MMIO,
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/* QEMU emulation mode request, currently means guest enter non-PG mode */
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HAX_EXIT_REAL,
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/*
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* Interrupt window open, qemu can inject interrupt now
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* Also used when signal pending since at that time qemu usually need
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* check interrupt
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*/
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HAX_EXIT_INTERRUPT,
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/* Unknown vmexit, mostly trigger reboot */
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HAX_EXIT_UNKNOWN_VMEXIT,
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/* HALT from guest */
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HAX_EXIT_HLT,
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/* Reboot request, like because of tripple fault in guest */
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HAX_EXIT_STATECHANGE,
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/* the vcpu is now only paused when destroy, so simply return to hax */
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HAX_EXIT_PAUSED,
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HAX_EXIT_FAST_MMIO,
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};
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/*
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* The interface definition:
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* 1. vcpu_run execute will return 0 on success, otherwise mean failed
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* 2. exit_status return the exit reason, as stated in enum exit_status
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* 3. exit_reason is the vmx exit reason
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*/
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struct hax_tunnel {
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uint32_t _exit_reason;
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uint32_t _exit_flag;
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uint32_t _exit_status;
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uint32_t user_event_pending;
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int ready_for_interrupt_injection;
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int request_interrupt_window;
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union {
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struct {
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/* 0: read, 1: write */
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#define HAX_EXIT_IO_IN 1
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#define HAX_EXIT_IO_OUT 0
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uint8_t _direction;
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uint8_t _df;
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uint16_t _size;
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uint16_t _port;
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uint16_t _count;
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uint8_t _flags;
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uint8_t _pad0;
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uint16_t _pad1;
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uint32_t _pad2;
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uint64_t _vaddr;
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} pio;
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struct {
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uint64_t gla;
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} mmio;
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struct {
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} state;
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};
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} __attribute__ ((__packed__));
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struct hax_module_version {
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uint32_t compat_version;
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uint32_t cur_version;
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} __attribute__ ((__packed__));
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/* This interface is support only after API version 2 */
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struct hax_qemu_version {
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/* Current API version in QEMU */
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uint32_t cur_version;
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/* The minimum API version supported by QEMU */
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uint32_t min_version;
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} __attribute__ ((__packed__));
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/* The mac specfic interface to qemu, mostly is ioctl related */
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struct hax_tunnel_info {
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uint64_t va;
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uint64_t io_va;
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uint16_t size;
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uint16_t pad[3];
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} __attribute__ ((__packed__));
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struct hax_alloc_ram_info {
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uint32_t size;
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uint32_t pad;
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uint64_t va;
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} __attribute__ ((__packed__));
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2018-01-12 10:22:35 +00:00
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struct hax_ramblock_info {
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uint64_t start_va;
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uint64_t size;
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uint64_t reserved;
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} __attribute__ ((__packed__));
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2017-01-10 10:59:56 +00:00
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#define HAX_RAM_INFO_ROM 0x01 /* Read-Only */
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#define HAX_RAM_INFO_INVALID 0x80 /* Unmapped, usually used for MMIO */
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struct hax_set_ram_info {
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uint64_t pa_start;
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uint32_t size;
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uint8_t flags;
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uint8_t pad[3];
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uint64_t va;
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} __attribute__ ((__packed__));
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#define HAX_CAP_STATUS_WORKING 0x1
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#define HAX_CAP_STATUS_NOTWORKING 0x0
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#define HAX_CAP_WORKSTATUS_MASK 0x1
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#define HAX_CAP_FAILREASON_VT 0x1
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#define HAX_CAP_FAILREASON_NX 0x2
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#define HAX_CAP_MEMQUOTA 0x2
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#define HAX_CAP_UG 0x4
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2018-01-12 10:22:35 +00:00
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#define HAX_CAP_64BIT_RAMBLOCK 0x8
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2017-01-10 10:59:56 +00:00
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struct hax_capabilityinfo {
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/* bit 0: 1 - working
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* 0 - not working, possibly because NT/NX disabled
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* bit 1: 1 - memory limitation working
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* 0 - no memory limitation
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*/
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uint16_t wstatus;
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/* valid when not working
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* bit 0: VT not enabeld
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* bit 1: NX not enabled*/
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uint16_t winfo;
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uint32_t pad;
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uint64_t mem_quota;
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} __attribute__ ((__packed__));
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struct hax_fastmmio {
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uint64_t gpa;
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union {
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uint64_t value;
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uint64_t gpa2; /* since HAX API v4 */
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};
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uint8_t size;
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uint8_t direction;
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uint16_t reg_index;
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uint32_t pad0;
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uint64_t _cr0;
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uint64_t _cr2;
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uint64_t _cr3;
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uint64_t _cr4;
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} __attribute__ ((__packed__));
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#endif
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