KVM: VMX: Rename "vmx/evmcs.{ch}" to "vmx/hyperv.{ch}"

To conform with SVM, rename VMX specific Hyper-V files from "evmcs.{ch}"
to "hyperv.{ch}". While Enlightened VMCS is a lion's share of these
files, some stuff (e.g. enlightened MSR bitmap, the upcoming Hyper-V
L2 TLB flush, ...) goes beyond that.

Reviewed-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20221101145426.251680-7-vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

1 files changed, 0 insertions, 245 deletions

diff --git a/arch/x86/kvm/vmx/evmcs.h b/arch/x86/kvm/vmx/evmcs.h
deleted file mode 100644
index 6f746ef3c038..000000000000
--- a/arch/x86/kvm/vmx/evmcs.h
+++ /dev/null
@@ -1,245 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef __KVM_X86_VMX_EVMCS_H
-#define __KVM_X86_VMX_EVMCS_H
-
-#include <linux/jump_label.h>
-
-#include <asm/hyperv-tlfs.h>
-#include <asm/mshyperv.h>
-#include <asm/vmx.h>
-
-#include "capabilities.h"
-#include "vmcs.h"
-#include "vmcs12.h"
-
-struct vmcs_config;
-
-DECLARE_STATIC_KEY_FALSE(enable_evmcs);
-
-#define current_evmcs ((struct hv_enlightened_vmcs *)this_cpu_read(current_vmcs))
-
-#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_UNSUPPORTED_PINCTRL (PIN_BASED_POSTED_INTR | \
-				    PIN_BASED_VMX_PREEMPTION_TIMER)
-#define EVMCS1_UNSUPPORTED_EXEC_CTRL (CPU_BASED_ACTIVATE_TERTIARY_CONTROLS)
-#define EVMCS1_UNSUPPORTED_2NDEXEC					\
-	(SECONDARY_EXEC_VIRTUAL_INTR_DELIVERY |				\
-	 SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES |			\
-	 SECONDARY_EXEC_APIC_REGISTER_VIRT |				\
-	 SECONDARY_EXEC_ENABLE_PML |					\
-	 SECONDARY_EXEC_ENABLE_VMFUNC |					\
-	 SECONDARY_EXEC_SHADOW_VMCS |					\
-	 SECONDARY_EXEC_TSC_SCALING |					\
-	 SECONDARY_EXEC_PAUSE_LOOP_EXITING)
-#define EVMCS1_UNSUPPORTED_VMEXIT_CTRL					\
-	(VM_EXIT_SAVE_VMX_PREEMPTION_TIMER)
-#define EVMCS1_UNSUPPORTED_VMENTRY_CTRL (0)
-#define EVMCS1_UNSUPPORTED_VMFUNC (VMX_VMFUNC_EPTP_SWITCHING)
-
-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)
-{
-	unsigned int index = ROL16(field, 6);
-	const struct evmcs_field *evmcs_field;
-
-	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);
-}
-
-#if IS_ENABLED(CONFIG_HYPERV)
-
-static __always_inline int get_evmcs_offset(unsigned long field,
-					    u16 *clean_field)
-{
-	int offset = evmcs_field_offset(field, clean_field);
-
-	WARN_ONCE(offset < 0, "KVM: accessing unsupported EVMCS field %lx\n",
-		  field);
-
-	return offset;
-}
-
-static __always_inline void evmcs_write64(unsigned long field, u64 value)
-{
-	u16 clean_field;
-	int offset = get_evmcs_offset(field, &clean_field);
-
-	if (offset < 0)
-		return;
-
-	*(u64 *)((char *)current_evmcs + offset) = value;
-
-	current_evmcs->hv_clean_fields &= ~clean_field;
-}
-
-static inline void evmcs_write32(unsigned long field, u32 value)
-{
-	u16 clean_field;
-	int offset = get_evmcs_offset(field, &clean_field);
-
-	if (offset < 0)
-		return;
-
-	*(u32 *)((char *)current_evmcs + offset) = value;
-	current_evmcs->hv_clean_fields &= ~clean_field;
-}
-
-static inline void evmcs_write16(unsigned long field, u16 value)
-{
-	u16 clean_field;
-	int offset = get_evmcs_offset(field, &clean_field);
-
-	if (offset < 0)
-		return;
-
-	*(u16 *)((char *)current_evmcs + offset) = value;
-	current_evmcs->hv_clean_fields &= ~clean_field;
-}
-
-static inline u64 evmcs_read64(unsigned long field)
-{
-	int offset = get_evmcs_offset(field, NULL);
-
-	if (offset < 0)
-		return 0;
-
-	return *(u64 *)((char *)current_evmcs + offset);
-}
-
-static inline u32 evmcs_read32(unsigned long field)
-{
-	int offset = get_evmcs_offset(field, NULL);
-
-	if (offset < 0)
-		return 0;
-
-	return *(u32 *)((char *)current_evmcs + offset);
-}
-
-static inline u16 evmcs_read16(unsigned long field)
-{
-	int offset = get_evmcs_offset(field, NULL);
-
-	if (offset < 0)
-		return 0;
-
-	return *(u16 *)((char *)current_evmcs + offset);
-}
-
-static inline void evmcs_touch_msr_bitmap(void)
-{
-	if (unlikely(!current_evmcs))
-		return;
-
-	if (current_evmcs->hv_enlightenments_control.msr_bitmap)
-		current_evmcs->hv_clean_fields &=
-			~HV_VMX_ENLIGHTENED_CLEAN_FIELD_MSR_BITMAP;
-}
-
-static inline void evmcs_load(u64 phys_addr)
-{
-	struct hv_vp_assist_page *vp_ap =
-		hv_get_vp_assist_page(smp_processor_id());
-
-	if (current_evmcs->hv_enlightenments_control.nested_flush_hypercall)
-		vp_ap->nested_control.features.directhypercall = 1;
-	vp_ap->current_nested_vmcs = phys_addr;
-	vp_ap->enlighten_vmentry = 1;
-}
-
-#else /* !IS_ENABLED(CONFIG_HYPERV) */
-static __always_inline void evmcs_write64(unsigned long field, u64 value) {}
-static inline void evmcs_write32(unsigned long field, u32 value) {}
-static inline void evmcs_write16(unsigned long field, u16 value) {}
-static inline u64 evmcs_read64(unsigned long field) { return 0; }
-static inline u32 evmcs_read32(unsigned long field) { return 0; }
-static inline u16 evmcs_read16(unsigned long field) { return 0; }
-static inline void evmcs_load(u64 phys_addr) {}
-static inline void evmcs_touch_msr_bitmap(void) {}
-#endif /* IS_ENABLED(CONFIG_HYPERV) */
-
-#define EVMPTR_INVALID (-1ULL)
-#define EVMPTR_MAP_PENDING (-2ULL)
-
-static inline bool evmptr_is_valid(u64 evmptr)
-{
-	return evmptr != EVMPTR_INVALID && evmptr != EVMPTR_MAP_PENDING;
-}
-
-enum nested_evmptrld_status {
-	EVMPTRLD_DISABLED,
-	EVMPTRLD_SUCCEEDED,
-	EVMPTRLD_VMFAIL,
-	EVMPTRLD_ERROR,
-};
-
-bool nested_enlightened_vmentry(struct kvm_vcpu *vcpu, u64 *evmcs_gpa);
-uint16_t nested_get_evmcs_version(struct kvm_vcpu *vcpu);
-int nested_enable_evmcs(struct kvm_vcpu *vcpu,
-			uint16_t *vmcs_version);
-void nested_evmcs_filter_control_msr(struct kvm_vcpu *vcpu, u32 msr_index, u64 *pdata);
-int nested_evmcs_check_controls(struct vmcs12 *vmcs12);
-
-#endif /* __KVM_X86_VMX_EVMCS_H */