xref: /OK3568_Linux_fs/kernel/arch/x86/kvm/vmx/vmcs_shadow_fields.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun #if !defined(SHADOW_FIELD_RO) && !defined(SHADOW_FIELD_RW)
2*4882a593Smuzhiyun BUILD_BUG_ON(1)
3*4882a593Smuzhiyun #endif
4*4882a593Smuzhiyun 
5*4882a593Smuzhiyun #ifndef SHADOW_FIELD_RO
6*4882a593Smuzhiyun #define SHADOW_FIELD_RO(x, y)
7*4882a593Smuzhiyun #endif
8*4882a593Smuzhiyun #ifndef SHADOW_FIELD_RW
9*4882a593Smuzhiyun #define SHADOW_FIELD_RW(x, y)
10*4882a593Smuzhiyun #endif
11*4882a593Smuzhiyun 
12*4882a593Smuzhiyun /*
13*4882a593Smuzhiyun  * We do NOT shadow fields that are modified when L0
14*4882a593Smuzhiyun  * traps and emulates any vmx instruction (e.g. VMPTRLD,
15*4882a593Smuzhiyun  * VMXON...) executed by L1.
16*4882a593Smuzhiyun  * For example, VM_INSTRUCTION_ERROR is read
17*4882a593Smuzhiyun  * by L1 if a vmx instruction fails (part of the error path).
18*4882a593Smuzhiyun  * Note the code assumes this logic. If for some reason
19*4882a593Smuzhiyun  * we start shadowing these fields then we need to
20*4882a593Smuzhiyun  * force a shadow sync when L0 emulates vmx instructions
21*4882a593Smuzhiyun  * (e.g. force a sync if VM_INSTRUCTION_ERROR is modified
22*4882a593Smuzhiyun  * by nested_vmx_failValid)
23*4882a593Smuzhiyun  *
24*4882a593Smuzhiyun  * When adding or removing fields here, note that shadowed
25*4882a593Smuzhiyun  * fields must always be synced by prepare_vmcs02, not just
26*4882a593Smuzhiyun  * prepare_vmcs02_rare.
27*4882a593Smuzhiyun  */
28*4882a593Smuzhiyun 
29*4882a593Smuzhiyun /*
30*4882a593Smuzhiyun  * Keeping the fields ordered by size is an attempt at improving
31*4882a593Smuzhiyun  * branch prediction in vmcs12_read_any and vmcs12_write_any.
32*4882a593Smuzhiyun  */
33*4882a593Smuzhiyun 
34*4882a593Smuzhiyun /* 16-bits */
35*4882a593Smuzhiyun SHADOW_FIELD_RW(GUEST_INTR_STATUS, guest_intr_status)
36*4882a593Smuzhiyun SHADOW_FIELD_RW(GUEST_PML_INDEX, guest_pml_index)
37*4882a593Smuzhiyun SHADOW_FIELD_RW(HOST_FS_SELECTOR, host_fs_selector)
38*4882a593Smuzhiyun SHADOW_FIELD_RW(HOST_GS_SELECTOR, host_gs_selector)
39*4882a593Smuzhiyun 
40*4882a593Smuzhiyun /* 32-bits */
41*4882a593Smuzhiyun SHADOW_FIELD_RO(VM_EXIT_REASON, vm_exit_reason)
42*4882a593Smuzhiyun SHADOW_FIELD_RO(VM_EXIT_INTR_INFO, vm_exit_intr_info)
43*4882a593Smuzhiyun SHADOW_FIELD_RO(VM_EXIT_INSTRUCTION_LEN, vm_exit_instruction_len)
44*4882a593Smuzhiyun SHADOW_FIELD_RO(IDT_VECTORING_INFO_FIELD, idt_vectoring_info_field)
45*4882a593Smuzhiyun SHADOW_FIELD_RO(IDT_VECTORING_ERROR_CODE, idt_vectoring_error_code)
46*4882a593Smuzhiyun SHADOW_FIELD_RO(VM_EXIT_INTR_ERROR_CODE, vm_exit_intr_error_code)
47*4882a593Smuzhiyun SHADOW_FIELD_RO(GUEST_CS_AR_BYTES, guest_cs_ar_bytes)
48*4882a593Smuzhiyun SHADOW_FIELD_RO(GUEST_SS_AR_BYTES, guest_ss_ar_bytes)
49*4882a593Smuzhiyun SHADOW_FIELD_RW(CPU_BASED_VM_EXEC_CONTROL, cpu_based_vm_exec_control)
50*4882a593Smuzhiyun SHADOW_FIELD_RW(PIN_BASED_VM_EXEC_CONTROL, pin_based_vm_exec_control)
51*4882a593Smuzhiyun SHADOW_FIELD_RW(EXCEPTION_BITMAP, exception_bitmap)
52*4882a593Smuzhiyun SHADOW_FIELD_RW(VM_ENTRY_EXCEPTION_ERROR_CODE, vm_entry_exception_error_code)
53*4882a593Smuzhiyun SHADOW_FIELD_RW(VM_ENTRY_INTR_INFO_FIELD, vm_entry_intr_info_field)
54*4882a593Smuzhiyun SHADOW_FIELD_RW(VM_ENTRY_INSTRUCTION_LEN, vm_entry_instruction_len)
55*4882a593Smuzhiyun SHADOW_FIELD_RW(TPR_THRESHOLD, tpr_threshold)
56*4882a593Smuzhiyun SHADOW_FIELD_RW(GUEST_INTERRUPTIBILITY_INFO, guest_interruptibility_info)
57*4882a593Smuzhiyun SHADOW_FIELD_RW(VMX_PREEMPTION_TIMER_VALUE, vmx_preemption_timer_value)
58*4882a593Smuzhiyun 
59*4882a593Smuzhiyun /* Natural width */
60*4882a593Smuzhiyun SHADOW_FIELD_RO(EXIT_QUALIFICATION, exit_qualification)
61*4882a593Smuzhiyun SHADOW_FIELD_RO(GUEST_LINEAR_ADDRESS, guest_linear_address)
62*4882a593Smuzhiyun SHADOW_FIELD_RW(GUEST_RIP, guest_rip)
63*4882a593Smuzhiyun SHADOW_FIELD_RW(GUEST_RSP, guest_rsp)
64*4882a593Smuzhiyun SHADOW_FIELD_RW(GUEST_CR0, guest_cr0)
65*4882a593Smuzhiyun SHADOW_FIELD_RW(GUEST_CR3, guest_cr3)
66*4882a593Smuzhiyun SHADOW_FIELD_RW(GUEST_CR4, guest_cr4)
67*4882a593Smuzhiyun SHADOW_FIELD_RW(GUEST_RFLAGS, guest_rflags)
68*4882a593Smuzhiyun SHADOW_FIELD_RW(CR0_GUEST_HOST_MASK, cr0_guest_host_mask)
69*4882a593Smuzhiyun SHADOW_FIELD_RW(CR0_READ_SHADOW, cr0_read_shadow)
70*4882a593Smuzhiyun SHADOW_FIELD_RW(CR4_READ_SHADOW, cr4_read_shadow)
71*4882a593Smuzhiyun SHADOW_FIELD_RW(HOST_FS_BASE, host_fs_base)
72*4882a593Smuzhiyun SHADOW_FIELD_RW(HOST_GS_BASE, host_gs_base)
73*4882a593Smuzhiyun 
74*4882a593Smuzhiyun /* 64-bit */
75*4882a593Smuzhiyun SHADOW_FIELD_RO(GUEST_PHYSICAL_ADDRESS, guest_physical_address)
76*4882a593Smuzhiyun SHADOW_FIELD_RO(GUEST_PHYSICAL_ADDRESS_HIGH, guest_physical_address)
77*4882a593Smuzhiyun 
78*4882a593Smuzhiyun #undef SHADOW_FIELD_RO
79*4882a593Smuzhiyun #undef SHADOW_FIELD_RW
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