X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Finclude%2Fpalacios%2Fvmx.h;h=06e4df2644c6fe636d9d2d704e6d976ae55969dc;hb=dff987790423249e95487f8754ebe0fbee8dbbdd;hp=4ba12d880f44a490c306ab9f47e17b68f2f0ba79;hpb=e70e95962c26832628d586e07f9cd1a2e1852d72;p=palacios.git diff --git a/palacios/include/palacios/vmx.h b/palacios/include/palacios/vmx.h index 4ba12d8..06e4df2 100644 --- a/palacios/include/palacios/vmx.h +++ b/palacios/include/palacios/vmx.h @@ -1,4 +1,3 @@ - /* * This file is part of the Palacios Virtual Machine Monitor developed * by the V3VEE Project with funding from the United States National @@ -8,12 +7,10 @@ * and the University of New Mexico. You can find out more at * http://www.v3vee.org * - * Copyright (c) 2008, Peter Dinda - * Copyright (c) 2008, Jack Lange - * Copyright (c) 2008, The V3VEE Project + * Copyright (c) 2011, Jack Lange + * Copyright (c) 2011, The V3VEE Project * All rights reserved. * - * Author: Peter Dinda * Author: Jack Lange * * This is free software. You are permitted to use, @@ -21,118 +18,224 @@ */ -#ifndef __VMX_H -#define __VMX_H +#ifndef __VMX_H__ +#define __VMX_H__ #ifdef __V3VEE__ #include #include +#include +#include + -#define IA32_FEATURE_CONTROL_MSR ((unsigned int)0x3a) -#define IA32_VMX_BASIC_MSR ((unsigned int)0x480) -#define IA32_VMX_PINBASED_CTLS_MSR ((unsigned int)0x481) -#define IA32_VMX_PROCBASED_CTLS_MSR ((unsigned int)0x482) -#define IA32_VMX_EXIT_CTLS_MSR ((unsigned int)0x483) -#define IA32_VMX_ENTRY_CTLS_MSR ((unsigned int)0x484) -#define IA32_VMX_MISC_MSR ((unsigned int)0x485) -#define IA32_VMX_CR0_FIXED0_MSR ((unsigned int)0x486) -#define IA32_VMX_CR0_FIXED1_MSR ((unsigned int)0x487) -#define IA32_VMX_CR4_FIXED0_MSR ((unsigned int)0x488) -#define IA32_VMX_CR4_FIXED1_MSR ((unsigned int)0x489) -#define IA32_VMX_VMCS_ENUM_MSR ((unsigned ing)0x48A) - -#define VMX_SUCCESS 0 +#define VMX_SUCCESS 0 #define VMX_FAIL_INVALID 1 #define VMX_FAIL_VALID 2 #define VMM_ERROR 3 -#define FEATURE_CONTROL_LOCK (1) -#define FEATURE_CONTROL_VMXON (1<<2) -#define FEATURE_CONTROL_VALID ( FEATURE_CONTROL_LOCK | FEATURE_CONTROL_VMXON) - - -#define CPUID_1_ECX_VTXFLAG (1<<5) - - - - - -typedef void VmxOnRegion; -#if __TINYC__ -#define PACKED -#else -#define PACKED __attribute__((packed)) +struct vmx_pin_ctrls { + union { + uint32_t value; + struct { + uint_t ext_int_exit : 1; + uint_t rsvd1 : 2; + uint_t nmi_exit : 1; + uint_t rsvd2 : 1; + uint_t virt_nmi : 1; + uint_t active_preempt_timer : 1; + uint_t rsvd3 : 25; + } __attribute__((packed)); + } __attribute__((packed)); +} __attribute__((packed)); + + +struct vmx_pri_proc_ctrls { + union { + uint32_t value; + struct { + uint_t rsvd1 : 2; + uint_t int_wndw_exit : 1; + uint_t tsc_offset : 1; + uint_t rsvd2 : 3; + uint_t hlt_exit : 1; + uint_t rsvd3 : 1; + uint_t invlpg_exit : 1; + uint_t mwait_exit : 1; + uint_t rdpmc_exit : 1; + uint_t rdtsc_exit : 1; + uint_t rsvd4 : 2; + uint_t cr3_ld_exit : 1; + uint_t cr3_str_exit : 1; + uint_t rsvd5 : 2; + uint_t cr8_ld_exit : 1; + uint_t cr8_str_exit : 1; + uint_t tpr_shdw : 1; + uint_t nmi_wndw_exit : 1; + uint_t mov_dr_exit : 1; + uint_t uncon_io_exit : 1; + uint_t use_io_bitmap : 1; + uint_t rsvd6 : 1; + uint_t monitor_trap : 1; + uint_t use_msr_bitmap : 1; + uint_t monitor_exit : 1; + uint_t pause_exit : 1; + uint_t sec_ctrls : 1; + } __attribute__((packed)); + } __attribute__((packed)); +} __attribute__((packed)); + +struct vmx_sec_proc_ctrls { + union { + uint32_t value; + struct { + uint_t virt_apic_acc : 1; + uint_t enable_ept : 1; + uint_t desc_table_exit : 1; + uint_t enable_rdtscp : 1; + uint_t virt_x2apic : 1; + uint_t enable_vpid : 1; + uint_t wbinvd_exit : 1; + uint_t unrstrct_guest : 1; /* un restricted guest (CAN RUN IN REAL MODE) */ + uint_t rsvd1 : 2; + uint_t pause_loop_exit : 1; + uint_t rsvd2 : 21; + } __attribute__((packed)); + } __attribute__((packed)); +} __attribute__((packed)); + +struct vmx_exit_ctrls { + union { + uint32_t value; + struct { + uint_t rsvd1 : 2; + uint_t save_dbg_ctrls : 1; + uint_t rsvd2 : 6; + uint_t host_64_on : 1; + uint_t rsvd3 : 2; + uint_t ld_perf_glbl_ctrl : 1; + uint_t rsvd4 : 2; + uint_t ack_int_on_exit : 1; + uint_t rsvd5 : 2; + uint_t save_pat : 1; + uint_t ld_pat : 1; + uint_t save_efer : 1; + uint_t ld_efer : 1; + uint_t save_preempt_timer : 1; + uint_t rsvd6 : 9; + } __attribute__((packed)); + } __attribute__((packed)); +} __attribute__((packed)); + +struct vmx_entry_ctrls { + union { + uint32_t value; + struct { + uint_t rsvd1 : 2; + uint_t ld_dbg_ctrls : 1; + uint_t rsvd2 : 6; + uint_t guest_ia32e : 1; + uint_t smm_entry : 1; + uint_t no_dual_monitor : 1; + uint_t rsvd3 : 1; + uint_t ld_perf_glbl_ctrl : 1; + uint_t ld_pat : 1; + uint_t ld_efer : 1; + uint_t rsvd4 : 16; + } __attribute__((packed)); + } __attribute__((packed)); +} __attribute__((packed)); + + +typedef enum { + VMXASSIST_DISABLED, + VMXASSIST_ENABLED +} vmxassist_state_t; + +typedef enum { + VMX_UNLAUNCHED, + VMX_LAUNCHED +} vmx_state_t; + +struct tss_descriptor { + uint16_t limit1; + uint16_t base1; + uint_t base2 : 8; + /* In IA32, type follows the form 10B1b, where B is the busy flag */ + uint_t type : 4; + uint_t zero1 : 1; + uint_t dpl : 2; + uint_t present : 1; + uint_t limit2 : 4; + uint_t available : 1; + uint_t zero2 : 1; + uint_t zero3 : 1; + uint_t granularity : 1; + uint_t base3 : 8; +#ifdef __V3_64BIT__ + uint32_t base4; + uint_t rsvd1 : 8; + uint_t zero4 : 5; + uint_t rsvd2 : 19; #endif +} __attribute__((packed)); - -struct MSR_REGS { - uint_t low PACKED; - uint_t high PACKED; +struct vmcs_host_state { + struct v3_segment gdtr; + struct v3_segment idtr; + struct v3_segment tr; }; -struct VMX_BASIC { - uint_t revision PACKED ; - uint_t regionSize : 13 PACKED ; - uint_t rsvd1 : 4 PACKED ; // Always 0 - uint_t physWidth : 1 PACKED ; - uint_t smm : 1 PACKED ; // Always 1 - uint_t memType : 4 PACKED ; - uint_t rsvd2 : 10 PACKED ; // Always 0 -}; -union VMX_MSR { - struct MSR_REGS regs PACKED; - struct VMX_BASIC vmxBasic PACKED; -}; +struct vmx_data { + vmx_state_t state; + vmxassist_state_t assist_state; + struct vmcs_host_state host_state; -struct VMDescriptor { - uint_t entry_ip; - uint_t exit_eip; - uint_t guest_esp; -} ; -enum VMState { VM_VMXASSIST_STARTUP, VM_VMXASSIST_V8086_BIOS, VM_VMXASSIST_V8086, VM_NORMAL }; + addr_t vmcs_ptr_phys; -struct VM { - enum VMState state; - struct VMXRegs registers; - struct VMDescriptor descriptor; - struct VMCSData vmcs; - struct VMCS *vmcsregion; - struct VmxOnRegion *vmxonregion; -}; + v3_reg_t guest_cr4; /// corresponds to the CR4 Read shadow -enum InstructionType { VM_UNKNOWN_INST, VM_MOV_TO_CR0 } ; + /* VMX Control Fields */ + struct vmx_pin_ctrls pin_ctrls; + struct vmx_pri_proc_ctrls pri_proc_ctrls; + struct vmx_sec_proc_ctrls sec_proc_ctrls; + struct vmx_exit_ctrls exit_ctrls; + struct vmx_entry_ctrls entry_ctrls; -struct Instruction { - enum InstructionType type; - uint_t address; - uint_t size; - uint_t input1; - uint_t input2; - uint_t output; + struct vmx_exception_bitmap excp_bmap; + + void * msr_area; }; +int v3_is_vmx_capable(); + +void v3_init_vmx_cpu(int cpu_id); +void v3_deinit_vmx_cpu(int cpu_id); -void DecodeCurrentInstruction(struct VM *vm, struct Instruction *out); +int v3_init_vmx_vmcs(struct guest_info * info, v3_vm_class_t vm_class); +int v3_deinit_vmx_vmcs(struct guest_info * core); +int v3_start_vmx_guest(struct guest_info* info); +int v3_reset_vmx_vm_core(struct guest_info * core, addr_t rip); +void v3_flush_vmx_vm_core(struct guest_info * core); -int is_vmx_capable(); +int v3_vmx_enter(struct guest_info * info); -VmxOnRegion * Init_VMX(); -VmxOnRegion * CreateVmxOnRegion(); +int v3_vmx_load_core(struct guest_info * core, void * ctx); +int v3_vmx_save_core(struct guest_info * core, void * ctx); -int VMLaunch(struct VMDescriptor *vm); -int Do_VMM(struct VMXRegs regs); #endif // ! __V3VEE__ #endif + +