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/* SPDX-License-Identifier: GPL-2.0 */
/*
* This file contains common definitions for working with Enlightened VMCS which
* are used both by Hyper-V on KVM and KVM on Hyper-V.
*/
#ifndef __KVM_X86_VMX_HYPERV_EVMCS_H
#define __KVM_X86_VMX_HYPERV_EVMCS_H
#include <asm/hyperv-tlfs.h>
#include "capabilities.h"
#include "vmcs12.h"
#define KVM_EVMCS_VERSION 1
/*
* Enlightened VMCSv1 doesn't support these:
*
* POSTED_INTR_NV = 0x00000002,
* GUEST_INTR_STATUS = 0x00000810,
* APIC_ACCESS_ADDR = 0x00002014,
* POSTED_INTR_DESC_ADDR = 0x00002016,
* EOI_EXIT_BITMAP0 = 0x0000201c,
* EOI_EXIT_BITMAP1 = 0x0000201e,
* EOI_EXIT_BITMAP2 = 0x00002020,
* EOI_EXIT_BITMAP3 = 0x00002022,
* GUEST_PML_INDEX = 0x00000812,
* PML_ADDRESS = 0x0000200e,
* VM_FUNCTION_CONTROL = 0x00002018,
* EPTP_LIST_ADDRESS = 0x00002024,
* VMREAD_BITMAP = 0x00002026,
* VMWRITE_BITMAP = 0x00002028,
*
* TSC_MULTIPLIER = 0x00002032,
* PLE_GAP = 0x00004020,
* PLE_WINDOW = 0x00004022,
* VMX_PREEMPTION_TIMER_VALUE = 0x0000482E,
*
* Currently unsupported in KVM:
* GUEST_IA32_RTIT_CTL = 0x00002814,
*/
#define EVMCS1_SUPPORTED_PINCTRL \
(PIN_BASED_ALWAYSON_WITHOUT_TRUE_MSR | \
PIN_BASED_EXT_INTR_MASK | \
PIN_BASED_NMI_EXITING | \
PIN_BASED_VIRTUAL_NMIS)
#define EVMCS1_SUPPORTED_EXEC_CTRL \
(CPU_BASED_ALWAYSON_WITHOUT_TRUE_MSR | \
CPU_BASED_HLT_EXITING | \
CPU_BASED_CR3_LOAD_EXITING | \
CPU_BASED_CR3_STORE_EXITING | \
CPU_BASED_UNCOND_IO_EXITING | \
CPU_BASED_MOV_DR_EXITING | \
CPU_BASED_USE_TSC_OFFSETTING | \
CPU_BASED_MWAIT_EXITING | \
CPU_BASED_MONITOR_EXITING | \
CPU_BASED_INVLPG_EXITING | \
CPU_BASED_RDPMC_EXITING | \
CPU_BASED_INTR_WINDOW_EXITING | \
CPU_BASED_CR8_LOAD_EXITING | \
CPU_BASED_CR8_STORE_EXITING | \
CPU_BASED_RDTSC_EXITING | \
CPU_BASED_TPR_SHADOW | \
CPU_BASED_USE_IO_BITMAPS | \
CPU_BASED_MONITOR_TRAP_FLAG | \
CPU_BASED_USE_MSR_BITMAPS | \
CPU_BASED_NMI_WINDOW_EXITING | \
CPU_BASED_PAUSE_EXITING | \
CPU_BASED_ACTIVATE_SECONDARY_CONTROLS)
#define EVMCS1_SUPPORTED_2NDEXEC \
(SECONDARY_EXEC_VIRTUALIZE_X2APIC_MODE | \
SECONDARY_EXEC_WBINVD_EXITING | \
SECONDARY_EXEC_ENABLE_VPID | \
SECONDARY_EXEC_ENABLE_EPT | \
SECONDARY_EXEC_UNRESTRICTED_GUEST | \
SECONDARY_EXEC_DESC | \
SECONDARY_EXEC_ENABLE_RDTSCP | \
SECONDARY_EXEC_ENABLE_INVPCID | \
SECONDARY_EXEC_ENABLE_XSAVES | \
SECONDARY_EXEC_RDSEED_EXITING | \
SECONDARY_EXEC_RDRAND_EXITING | \
SECONDARY_EXEC_TSC_SCALING | \
SECONDARY_EXEC_ENABLE_USR_WAIT_PAUSE | \
SECONDARY_EXEC_PT_USE_GPA | \
SECONDARY_EXEC_PT_CONCEAL_VMX | \
SECONDARY_EXEC_BUS_LOCK_DETECTION | \
SECONDARY_EXEC_NOTIFY_VM_EXITING | \
SECONDARY_EXEC_ENCLS_EXITING)
#define EVMCS1_SUPPORTED_3RDEXEC (0ULL)
#define EVMCS1_SUPPORTED_VMEXIT_CTRL \
(VM_EXIT_ALWAYSON_WITHOUT_TRUE_MSR | \
VM_EXIT_SAVE_DEBUG_CONTROLS | \
VM_EXIT_ACK_INTR_ON_EXIT | \
VM_EXIT_HOST_ADDR_SPACE_SIZE | \
VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL | \
VM_EXIT_SAVE_IA32_PAT | \
VM_EXIT_LOAD_IA32_PAT | \
VM_EXIT_SAVE_IA32_EFER | \
VM_EXIT_LOAD_IA32_EFER | \
VM_EXIT_CLEAR_BNDCFGS | \
VM_EXIT_PT_CONCEAL_PIP | \
VM_EXIT_CLEAR_IA32_RTIT_CTL)
#define EVMCS1_SUPPORTED_VMENTRY_CTRL \
(VM_ENTRY_ALWAYSON_WITHOUT_TRUE_MSR | \
VM_ENTRY_LOAD_DEBUG_CONTROLS | \
VM_ENTRY_IA32E_MODE | \
VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL | \
VM_ENTRY_LOAD_IA32_PAT | \
VM_ENTRY_LOAD_IA32_EFER | \
VM_ENTRY_LOAD_BNDCFGS | \
VM_ENTRY_PT_CONCEAL_PIP | \
VM_ENTRY_LOAD_IA32_RTIT_CTL)
#define EVMCS1_SUPPORTED_VMFUNC (0)
struct evmcs_field {
u16 offset;
u16 clean_field;
};
extern const struct evmcs_field vmcs_field_to_evmcs_1[];
extern const unsigned int nr_evmcs_1_fields;
static __always_inline int evmcs_field_offset(unsigned long field,
u16 *clean_field)
{
const struct evmcs_field *evmcs_field;
unsigned int index = ROL16(field, 6);
if (unlikely(index >= nr_evmcs_1_fields))
return -ENOENT;
evmcs_field = &vmcs_field_to_evmcs_1[index];
/*
* Use offset=0 to detect holes in eVMCS. This offset belongs to
* 'revision_id' but this field has no encoding and is supposed to
* be accessed directly.
*/
if (unlikely(!evmcs_field->offset))
return -ENOENT;
if (clean_field)
*clean_field = evmcs_field->clean_field;
return evmcs_field->offset;
}
static inline u64 evmcs_read_any(struct hv_enlightened_vmcs *evmcs,
unsigned long field, u16 offset)
{
/*
* vmcs12_read_any() doesn't care whether the supplied structure
* is 'struct vmcs12' or 'struct hv_enlightened_vmcs' as it takes
* the exact offset of the required field, use it for convenience
* here.
*/
return vmcs12_read_any((void *)evmcs, field, offset);
}
#endif /* __KVM_X86_VMX_HYPERV_H */
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