+
/*
* This file is part of the Palacios Virtual Machine Monitor developed
* by the V3VEE Project with funding from the United States National
*/
-#ifndef __VMX_H
-#define __VMX_H
+#ifndef __VMX_H__
+#define __VMX_H__
#ifdef __V3VEE__
#include <palacios/vmm_types.h>
#include <palacios/vmcs.h>
+#include <palacios/vmm.h>
+#include <palacios/vm_guest.h>
// Intel VMX Specific MSRs
#define VMX_FEATURE_CONTROL_MSR 0x0000003a
#define CPUID_1_ECX_VTXFLAG 0x00000020
+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 unrstrct_guest : 1;
+ 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));
struct vmx_basic_msr {
uint32_t revision;
uint_t rsvd2 : 10; // Always 0
} __attribute__((packed));
-
-
-
-
-enum VMState { VM_VMXASSIST_STARTUP, VM_VMXASSIST_V8086_BIOS, VM_VMXASSIST_V8086, VM_NORMAL };
-
-
-
-
-
-
-
-struct VM {
- enum VMState state;
- struct VMXRegs registers;
- struct VMDescriptor descriptor;
- struct VMCSData vmcs;
- struct VMCS *vmcsregion;
- struct VmxOnRegion *vmxonregion;
-};
-
-
-enum InstructionType { VM_UNKNOWN_INST, VM_MOV_TO_CR0 } ;
-
-struct Instruction {
- enum InstructionType type;
- uint_t address;
- uint_t size;
- uint_t input1;
- uint_t input2;
- uint_t output;
+typedef enum {
+ VMXASSIST_DISABLED,
+ VMXASSIST_ENABLED
+} 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 vmcs_host_state {
+ struct v3_segment gdtr;
+ struct v3_segment idtr;
+ struct v3_segment tr;
};
+struct vmx_data {
+ vmx_state_t state;
+ struct vmcs_host_state host_state;
+ addr_t vmcs_ptr_phys;
+ uint8_t ia32e_avail;
-int is_vmx_capable();
-
-VmxOnRegion * Init_VMX();
-VmxOnRegion * CreateVmxOnRegion();
-
-int VMLaunch(struct VMDescriptor *vm);
-
+ /* 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;
+};
-int Do_VMM(struct VMXRegs regs);
+int v3_is_vmx_capable();
+void v3_init_vmx_cpu(int cpu_id);
#endif // ! __V3VEE__
#endif
+
+
