#include <palacios/vm_guest.h>
+
/******************************************/
/* VMX Intercept Exit Codes */
/******************************************/
typedef enum {
- VMEXIT_INFO_EXCEPTION_OR_NMI = 0,
- VMEXIT_EXTERNAL_INTR = 1,
- VMEXIT_TRIPLE_FAULT = 2,
- VMEXIT_INIT_SIGNAL = 3,
- VMEXIT_STARTUP_IPI = 4,
- VMEXIT_IO_SMI = 5,
- VMEXIT_OTHER_SMI = 6,
- VMEXIT_INTR_WINDOW = 7,
- VMEXIT_NMI_WINDOW = 8,
- VMEXIT_TASK_SWITCH = 9,
- VMEXIT_CPUID = 10,
- VMEXIT_HLT = 12,
- VMEXIT_INVD = 13,
- VMEXIT_INVLPG = 14,
- VMEXIT_RDPMC = 15,
- VMEXIT_RDTSC = 16,
- VMEXIT_RSM = 17,
- VMEXIT_VMCALL = 18,
- VMEXIT_VMCLEAR = 19,
- VMEXIT_VMLAUNCH = 20,
- VMEXIT_VMPTRLD = 21,
- VMEXIT_VMPTRST = 22,
- VMEXIT_VMREAD = 23,
- VMEXIT_VMRESUME = 24,
- VMEXIT_VMWRITE = 25,
- VMEXIT_VMXOFF = 26,
- VMEXIT_VMXON = 27,
- VMEXIT_CR_REG_ACCESSES = 28,
- VMEXIT_MOV_DR = 29,
- VMEXIT_IO_INSTR = 30,
- VMEXIT_RDMSR = 31,
- VMEXIT_WRMSR = 32,
- VMEXIT_ENTRY_FAIL_INVALID_GUEST_STATE = 33,
- VMEXIT_ENTRY_FAIL_MSR_LOAD = 34,
- VMEXIT_MWAIT = 36,
- VMEXIT_MONITOR = 39,
- VMEXIT_PAUSE = 40,
- VMEXIT_ENTRY_FAILURE_MACHINE_CHECK = 41,
- VMEXIT_TPR_BELOW_THRESHOLD = 43,
- VMEXIT_APIC = 44,
- VMEXIT_GDTR_IDTR = 46,
- VMEXIT_LDTR_TR = 47,
- VMEXIT_EPT_VIOLATION = 48,
- VMEXIT_EPT_CONFIG = 49,
- VMEXIT_INVEPT = 50,
- VMEXIT_RDTSCP = 51,
- VMEXIT_EXPIRED_PREEMPT_TIMER = 52,
- VMEXIT_INVVPID = 53,
- VMEXIT_WBINVD = 54,
- VMEXIT_XSETBV = 55
+ VMX_EXIT_INFO_EXCEPTION_OR_NMI = 0,
+ VMX_EXIT_EXTERNAL_INTR = 1,
+ VMX_EXIT_TRIPLE_FAULT = 2,
+ VMX_EXIT_INIT_SIGNAL = 3,
+ VMX_EXIT_STARTUP_IPI = 4,
+ VMX_EXIT_IO_SMI = 5,
+ VMX_EXIT_OTHER_SMI = 6,
+ VMX_EXIT_INTR_WINDOW = 7,
+ VMX_EXIT_NMI_WINDOW = 8,
+ VMX_EXIT_TASK_SWITCH = 9,
+ VMX_EXIT_CPUID = 10,
+ VMX_EXIT_HLT = 12,
+ VMX_EXIT_INVD = 13,
+ VMX_EXIT_INVLPG = 14,
+ VMX_EXIT_RDPMC = 15,
+ VMX_EXIT_RDTSC = 16,
+ VMX_EXIT_RSM = 17,
+ VMX_EXIT_VMCALL = 18,
+ VMX_EXIT_VMCLEAR = 19,
+ VMX_EXIT_VMLAUNCH = 20,
+ VMX_EXIT_VMPTRLD = 21,
+ VMX_EXIT_VMPTRST = 22,
+ VMX_EXIT_VMREAD = 23,
+ VMX_EXIT_VMRESUME = 24,
+ VMX_EXIT_VMWRITE = 25,
+ VMX_EXIT_VMXOFF = 26,
+ VMX_EXIT_VMXON = 27,
+ VMX_EXIT_CR_REG_ACCESSES = 28,
+ VMX_EXIT_MOV_DR = 29,
+ VMX_EXIT_IO_INSTR = 30,
+ VMX_EXIT_RDMSR = 31,
+ VMX_EXIT_WRMSR = 32,
+ VMX_EXIT_INVALID_GUEST_STATE = 33,
+ VMX_EXIT_INVALID_MSR_LOAD = 34,
+ VMX_EXIT_MWAIT = 36,
+ VMX_EXIT_MONITOR = 39,
+ VMX_EXIT_PAUSE = 40,
+ VMX_EXIT_INVALID_MACHINE_CHECK = 41,
+ VMX_EXIT_TPR_BELOW_THRESHOLD = 43,
+ VMX_EXIT_APIC = 44,
+ VMX_EXIT_GDTR_IDTR = 46,
+ VMX_EXIT_LDTR_TR = 47,
+ VMX_EXIT_EPT_VIOLATION = 48,
+ VMX_EXIT_EPT_CONFIG = 49,
+ VMX_EXIT_INVEPT = 50,
+ VMX_EXIT_RDTSCP = 51,
+ VMX_EXIT_EXPIRED_PREEMPT_TIMER = 52,
+ VMX_EXIT_INVVPID = 53,
+ VMX_EXIT_WBINVD = 54,
+ VMX_EXIT_XSETBV = 55
} vmx_exit_t;
/* VMCS Exit QUALIFICATIONs */
-struct vmexit_io_qual {
- uint32_t access_size : 3; // (0: 1 Byte ;; 1: 2 Bytes ;; 3: 4 Bytes)
- uint32_t dir : 1; // (0: Out ;; 1: In)
- uint32_t string : 1; // (0: not string ;; 1: string)
- uint32_t rep : 1; // (0: not REP ;; 1: REP)
- uint32_t op_enc : 1; // (0: DX ;; 1: immediate)
- uint32_t rsvd : 9; // Set to 0
- uint32_t port : 16; // IO Port Number
+struct vmx_exit_io_qual {
+ union {
+ uint32_t value;
+ struct {
+ uint32_t access_size : 3; // (0: 1 Byte ;; 1: 2 Bytes ;; 3: 4 Bytes)
+ uint32_t dir : 1; // (0: Out ;; 1: In)
+ uint32_t string : 1; // (0: not string ;; 1: string)
+ uint32_t rep : 1; // (0: not REP ;; 1: REP)
+ uint32_t op_enc : 1; // (0: DX ;; 1: immediate)
+ uint32_t rsvd : 9; // Set to 0
+ uint32_t port : 16; // IO Port Number
+ } __attribute__((packed));
+ } __attribute__((packed));
+} __attribute__((packed));
+
+struct vmx_exit_io_instr_info {
+ union {
+ uint32_t value;
+ struct {
+ uint32_t undef1 : 7;
+ uint32_t addr_size : 3;
+ uint32_t undef2 : 5;
+ uint32_t seg_reg : 3;
+ uint32_t undef3 : 14;
+ } __attribute__((packed));
+ } __attribute__((packed));
+} __attribute__((packed));
+
+/* Exit Interrupt Vector Info */
+struct vmx_exit_int_info {
+ union {
+ uint32_t value;
+ struct {
+ uint32_t vector : 8; // IRQ number, exception vector, NMI = 2
+ uint32_t type : 3; // (0: ext. IRQ , 2: NMI , 3: hw exception , 6: sw exception
+ uint32_t error_code : 1; // 1: error Code present
+ uint32_t nmi_unblock : 1; // something to do with NMIs and IRETs (Intel 3B, sec. 23.2.2)
+ uint32_t rsvd : 18; // always 0
+ uint32_t valid : 1; // always 1 if valid
+ } __attribute__ ((packed));
+ } __attribute__ ((packed));
} __attribute__((packed));
+/* VMX entry interrupt format */
+struct vmx_entry_int_info {
+ union {
+ uint32_t value;
+ struct {
+ uint32_t vector : 8; // IRQ/exception vector number
+ uint32_t type : 3; // (0: ext. IRQ, 2: NMI, 3: hw excp, 4: sw int, 5: priv. sw excp, 6: sw excp, 7: other
+ uint32_t error_code : 1; // 1: deliver error code
+ uint32_t rsvd : 19;
+ uint32_t valid : 1; // 1: valid
+ } __attribute__ ((packed));
+ } __attribute__ ((packed));
+} __attribute__ ((packed));
+
+
struct VMExitDBGQual {
} __attribute__((packed));
-struct VMExitTSQual {
+ struct VMExitTSQual {
uint32_t selector : 16; // selector of destination TSS
uint32_t rsvd : 14; // reserved to 0
uint32_t src : 2; // (0: CALL ; 1: IRET ; 2: JMP ; 3: Task gate in IDT)
} __attribute__((packed));
-struct vmexit_cr_qual {
- uint32_t cr_id : 4; // cr number (0 for CLTS and LMSW) (bit 3 always 0, on 32bit)
- uint32_t access_type : 2; // (0: MOV to CR ; 1: MOV from CR ; 2: CLTS ; 3: LMSW)
- uint32_t lmsw_op_type : 1; // (0: register ; 1: memory)
- uint32_t rsvd1 : 1; // reserved to 0
- uint32_t gpr : 4; // (0:RAX+[CLTS/LMSW], 1:RCX, 2:RDX, 3:RBX, 4:RSP, 5:RBP, 6:RSI, 6:RDI, 8-15:64bit regs)
- uint32_t rsvd2 : 4; // reserved to 0
- uint32_t lmsw_src : 16; // src data for lmsw
+struct vmx_exit_cr_qual {
+ union {
+ uint32_t value;
+ struct {
+ uint32_t cr_id : 4; // cr number (0 for CLTS and LMSW) (bit 3 always 0, on 32bit)
+ uint32_t access_type : 2; // (0: MOV to CR ; 1: MOV from CR ; 2: CLTS ; 3: LMSW)
+ uint32_t lmsw_op_type : 1; // (0: register ; 1: memory)
+ uint32_t rsvd1 : 1; // reserved to 0
+ uint32_t gpr : 4; // (0:RAX+[CLTS/LMSW], 1:RCX, 2:RDX, 3:RBX, 4:RSP, 5:RBP, 6:RSI, 6:RDI, 8-15:64bit regs)
+ uint32_t rsvd2 : 4; // reserved to 0
+ uint32_t lmsw_src : 16; // src data for lmsw
+ } __attribute__((packed));
+ } __attribute__((packed));
} __attribute__((packed));
struct VMExitMovDRQual {
/* End Exit Qualifications */
+struct vmx_exit_idt_vec_info {
+ union {
+ uint32_t value;
+ struct {
+ uint32_t vector : 8;
+ uint32_t type : 3;
+ uint32_t error_code : 1;
+ uint32_t undef : 1;
+ uint32_t rsvd : 18;
+ uint32_t valid : 1;
+ } __attribute__ ((packed));
+ } __attribute__ ((packed));
+} __attribute__ ((packed));
+
+
+
+struct vmx_basic_exit_info {
+ union {
+ uint32_t value;
+ struct {
+ uint16_t reason;
+ uint16_t rsvd1 :12;
+ uint8_t mtf_pending : 1;
+ uint8_t vmx_root_op : 1;
+ uint8_t rsvd2 : 1;
+ uint8_t entry_error : 1;
+ } __attribute__((packed));
+ } __attribute__((packed));
+} __attribute__((packed));
+
+
+struct vmx_exit_info {
+ uint32_t instr_len;
+ uint32_t instr_info;
+
+ uint32_t exit_reason;
+ addr_t exit_qual;
+
+ uint32_t int_info;
+ uint32_t int_err;
+
+ addr_t guest_linear_addr;
+
+ /* EPT INFO */
+ addr_t ept_fault_addr;
+
+};
+
+
+
-int v3_handle_vmx_exit(struct v3_gprs * gprs, struct guest_info * info);
+int v3_handle_atomic_vmx_exit(struct guest_info * info, struct vmx_exit_info * exit_info);
+int v3_handle_vmx_exit(struct guest_info * info, struct vmx_exit_info * exit_info);
+const char * v3_vmx_exit_code_to_str(vmx_exit_t exit);
#endif