[linux-block.git] / arch / x86 / kvm / svm / svm.h

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Kernel-based Virtual Machine driver for Linux
 *
 * AMD SVM support
 *
 * Copyright (C) 2006 Qumranet, Inc.
 * Copyright 2010 Red Hat, Inc. and/or its affiliates.
 *
 * Authors:
 *   Yaniv Kamay  <yaniv@qumranet.com>
 *   Avi Kivity   <avi@qumranet.com>
 */

#ifndef __SVM_SVM_H
#define __SVM_SVM_H

#include <linux/kvm_types.h>
#include <linux/kvm_host.h>
#include <linux/bits.h>

#include <asm/svm.h>
#include <asm/sev-common.h>

#define __sme_page_pa(x) __sme_set(page_to_pfn(x) << PAGE_SHIFT)

#define	IOPM_SIZE PAGE_SIZE * 3
#define	MSRPM_SIZE PAGE_SIZE * 2

#define MAX_DIRECT_ACCESS_MSRS	20
#define MSRPM_OFFSETS	16
extern u32 msrpm_offsets[MSRPM_OFFSETS] __read_mostly;
extern bool npt_enabled;
extern bool intercept_smi;

/*
 * Clean bits in VMCB.
 * VMCB_ALL_CLEAN_MASK might also need to
 * be updated if this enum is modified.
 */
enum {
	VMCB_INTERCEPTS, /* Intercept vectors, TSC offset,
			    pause filter count */
	VMCB_PERM_MAP,   /* IOPM Base and MSRPM Base */
	VMCB_ASID,	 /* ASID */
	VMCB_INTR,	 /* int_ctl, int_vector */
	VMCB_NPT,        /* npt_en, nCR3, gPAT */
	VMCB_CR,	 /* CR0, CR3, CR4, EFER */
	VMCB_DR,         /* DR6, DR7 */
	VMCB_DT,         /* GDT, IDT */
	VMCB_SEG,        /* CS, DS, SS, ES, CPL */
	VMCB_CR2,        /* CR2 only */
	VMCB_LBR,        /* DBGCTL, BR_FROM, BR_TO, LAST_EX_FROM, LAST_EX_TO */
	VMCB_AVIC,       /* AVIC APIC_BAR, AVIC APIC_BACKING_PAGE,
			  * AVIC PHYSICAL_TABLE pointer,
			  * AVIC LOGICAL_TABLE pointer
			  */
	VMCB_SW = 31,    /* Reserved for hypervisor/software use */
};

#define VMCB_ALL_CLEAN_MASK (					\
	(1U << VMCB_INTERCEPTS) | (1U << VMCB_PERM_MAP) |	\
	(1U << VMCB_ASID) | (1U << VMCB_INTR) |			\
	(1U << VMCB_NPT) | (1U << VMCB_CR) | (1U << VMCB_DR) |	\
	(1U << VMCB_DT) | (1U << VMCB_SEG) | (1U << VMCB_CR2) |	\
	(1U << VMCB_LBR) | (1U << VMCB_AVIC) |			\
	(1U << VMCB_SW))

/* TPR and CR2 are always written before VMRUN */
#define VMCB_ALWAYS_DIRTY_MASK	((1U << VMCB_INTR) | (1U << VMCB_CR2))

struct kvm_sev_info {
	bool active;		/* SEV enabled guest */
	bool es_active;		/* SEV-ES enabled guest */
	unsigned int asid;	/* ASID used for this guest */
	unsigned int handle;	/* SEV firmware handle */
	int fd;			/* SEV device fd */
	unsigned long pages_locked; /* Number of pages locked */
	struct list_head regions_list;  /* List of registered regions */
	u64 ap_jump_table;	/* SEV-ES AP Jump Table address */
	struct kvm *enc_context_owner; /* Owner of copied encryption context */
	struct misc_cg *misc_cg; /* For misc cgroup accounting */
};

struct kvm_svm {
	struct kvm kvm;

	/* Struct members for AVIC */
	u32 avic_vm_id;
	struct page *avic_logical_id_table_page;
	struct page *avic_physical_id_table_page;
	struct hlist_node hnode;

	struct kvm_sev_info sev_info;
};

struct kvm_vcpu;

struct kvm_vmcb_info {
	struct vmcb *ptr;
	unsigned long pa;
	int cpu;
	uint64_t asid_generation;
};

struct svm_nested_state {
	struct kvm_vmcb_info vmcb02;
	u64 hsave_msr;
	u64 vm_cr_msr;
	u64 vmcb12_gpa;
	u64 last_vmcb12_gpa;

	/* These are the merged vectors */
	u32 *msrpm;

	/* A VMRUN has started but has not yet been performed, so
	 * we cannot inject a nested vmexit yet.  */
	bool nested_run_pending;

	/* cache for control fields of the guest */
	struct vmcb_control_area ctl;

	bool initialized;
};

struct vcpu_svm {
	struct kvm_vcpu vcpu;
	/* vmcb always points at current_vmcb->ptr, it's purely a shorthand. */
	struct vmcb *vmcb;
	struct kvm_vmcb_info vmcb01;
	struct kvm_vmcb_info *current_vmcb;
	struct svm_cpu_data *svm_data;
	u32 asid;
	u32 sysenter_esp_hi;
	u32 sysenter_eip_hi;
	uint64_t tsc_aux;

	u64 msr_decfg;

	u64 next_rip;

	u64 spec_ctrl;
	/*
	 * Contains guest-controlled bits of VIRT_SPEC_CTRL, which will be
	 * translated into the appropriate L2_CFG bits on the host to
	 * perform speculative control.
	 */
	u64 virt_spec_ctrl;

	u32 *msrpm;

	ulong nmi_iret_rip;

	struct svm_nested_state nested;

	bool nmi_singlestep;
	u64 nmi_singlestep_guest_rflags;

	unsigned int3_injected;
	unsigned long int3_rip;

	/* cached guest cpuid flags for faster access */
	bool nrips_enabled	: 1;

	u32 ldr_reg;
	u32 dfr_reg;
	struct page *avic_backing_page;
	u64 *avic_physical_id_cache;
	bool avic_is_running;

	/*
	 * Per-vcpu list of struct amd_svm_iommu_ir:
	 * This is used mainly to store interrupt remapping information used
	 * when update the vcpu affinity. This avoids the need to scan for
	 * IRTE and try to match ga_tag in the IOMMU driver.
	 */
	struct list_head ir_list;
	spinlock_t ir_list_lock;

	/* Save desired MSR intercept (read: pass-through) state */
	struct {
		DECLARE_BITMAP(read, MAX_DIRECT_ACCESS_MSRS);
		DECLARE_BITMAP(write, MAX_DIRECT_ACCESS_MSRS);
	} shadow_msr_intercept;

	/* SEV-ES support */
	struct vmcb_save_area *vmsa;
	struct ghcb *ghcb;
	struct kvm_host_map ghcb_map;
	bool received_first_sipi;

	/* SEV-ES scratch area support */
	void *ghcb_sa;
	u64 ghcb_sa_len;
	bool ghcb_sa_sync;
	bool ghcb_sa_free;

	bool guest_state_loaded;
};

struct svm_cpu_data {
	int cpu;

	u64 asid_generation;
	u32 max_asid;
	u32 next_asid;
	u32 min_asid;
	struct kvm_ldttss_desc *tss_desc;

	struct page *save_area;
	struct vmcb *current_vmcb;

	/* index = sev_asid, value = vmcb pointer */
	struct vmcb **sev_vmcbs;
};

DECLARE_PER_CPU(struct svm_cpu_data *, svm_data);

void recalc_intercepts(struct vcpu_svm *svm);

static inline struct kvm_svm *to_kvm_svm(struct kvm *kvm)
{
	return container_of(kvm, struct kvm_svm, kvm);
}

static inline bool sev_guest(struct kvm *kvm)
{
#ifdef CONFIG_KVM_AMD_SEV
	struct kvm_sev_info *sev = &to_kvm_svm(kvm)->sev_info;

	return sev->active;
#else
	return false;
#endif
}

static inline bool sev_es_guest(struct kvm *kvm)
{
#ifdef CONFIG_KVM_AMD_SEV
	struct kvm_sev_info *sev = &to_kvm_svm(kvm)->sev_info;

	return sev_guest(kvm) && sev->es_active;
#else
	return false;
#endif
}

static inline void vmcb_mark_all_dirty(struct vmcb *vmcb)
{
	vmcb->control.clean = 0;
}

static inline void vmcb_mark_all_clean(struct vmcb *vmcb)
{
	vmcb->control.clean = VMCB_ALL_CLEAN_MASK
			       & ~VMCB_ALWAYS_DIRTY_MASK;
}

static inline bool vmcb_is_clean(struct vmcb *vmcb, int bit)
{
	return (vmcb->control.clean & (1 << bit));
}

static inline void vmcb_mark_dirty(struct vmcb *vmcb, int bit)
{
	vmcb->control.clean &= ~(1 << bit);
}

static inline bool vmcb_is_dirty(struct vmcb *vmcb, int bit)
{
        return !test_bit(bit, (unsigned long *)&vmcb->control.clean);
}

static inline struct vcpu_svm *to_svm(struct kvm_vcpu *vcpu)
{
	return container_of(vcpu, struct vcpu_svm, vcpu);
}

static inline void vmcb_set_intercept(struct vmcb_control_area *control, u32 bit)
{
	WARN_ON_ONCE(bit >= 32 * MAX_INTERCEPT);
	__set_bit(bit, (unsigned long *)&control->intercepts);
}

static inline void vmcb_clr_intercept(struct vmcb_control_area *control, u32 bit)
{
	WARN_ON_ONCE(bit >= 32 * MAX_INTERCEPT);
	__clear_bit(bit, (unsigned long *)&control->intercepts);
}

static inline bool vmcb_is_intercept(struct vmcb_control_area *control, u32 bit)
{
	WARN_ON_ONCE(bit >= 32 * MAX_INTERCEPT);
	return test_bit(bit, (unsigned long *)&control->intercepts);
}

static inline void set_dr_intercepts(struct vcpu_svm *svm)
{
	struct vmcb *vmcb = svm->vmcb01.ptr;

	if (!sev_es_guest(svm->vcpu.kvm)) {
		vmcb_set_intercept(&vmcb->control, INTERCEPT_DR0_READ);
		vmcb_set_intercept(&vmcb->control, INTERCEPT_DR1_READ);
		vmcb_set_intercept(&vmcb->control, INTERCEPT_DR2_READ);
		vmcb_set_intercept(&vmcb->control, INTERCEPT_DR3_READ);
		vmcb_set_intercept(&vmcb->control, INTERCEPT_DR4_READ);
		vmcb_set_intercept(&vmcb->control, INTERCEPT_DR5_READ);
		vmcb_set_intercept(&vmcb->control, INTERCEPT_DR6_READ);
		vmcb_set_intercept(&vmcb->control, INTERCEPT_DR0_WRITE);
		vmcb_set_intercept(&vmcb->control, INTERCEPT_DR1_WRITE);
		vmcb_set_intercept(&vmcb->control, INTERCEPT_DR2_WRITE);
		vmcb_set_intercept(&vmcb->control, INTERCEPT_DR3_WRITE);
		vmcb_set_intercept(&vmcb->control, INTERCEPT_DR4_WRITE);
		vmcb_set_intercept(&vmcb->control, INTERCEPT_DR5_WRITE);
		vmcb_set_intercept(&vmcb->control, INTERCEPT_DR6_WRITE);
	}

	vmcb_set_intercept(&vmcb->control, INTERCEPT_DR7_READ);
	vmcb_set_intercept(&vmcb->control, INTERCEPT_DR7_WRITE);

	recalc_intercepts(svm);
}

static inline void clr_dr_intercepts(struct vcpu_svm *svm)
{
	struct vmcb *vmcb = svm->vmcb01.ptr;

	vmcb->control.intercepts[INTERCEPT_DR] = 0;

	/* DR7 access must remain intercepted for an SEV-ES guest */
	if (sev_es_guest(svm->vcpu.kvm)) {
		vmcb_set_intercept(&vmcb->control, INTERCEPT_DR7_READ);
		vmcb_set_intercept(&vmcb->control, INTERCEPT_DR7_WRITE);
	}

	recalc_intercepts(svm);
}

static inline void set_exception_intercept(struct vcpu_svm *svm, u32 bit)
{
	struct vmcb *vmcb = svm->vmcb01.ptr;

	WARN_ON_ONCE(bit >= 32);
	vmcb_set_intercept(&vmcb->control, INTERCEPT_EXCEPTION_OFFSET + bit);

	recalc_intercepts(svm);
}

static inline void clr_exception_intercept(struct vcpu_svm *svm, u32 bit)
{
	struct vmcb *vmcb = svm->vmcb01.ptr;

	WARN_ON_ONCE(bit >= 32);
	vmcb_clr_intercept(&vmcb->control, INTERCEPT_EXCEPTION_OFFSET + bit);

	recalc_intercepts(svm);
}

static inline void svm_set_intercept(struct vcpu_svm *svm, int bit)
{
	struct vmcb *vmcb = svm->vmcb01.ptr;

	vmcb_set_intercept(&vmcb->control, bit);

	recalc_intercepts(svm);
}

static inline void svm_clr_intercept(struct vcpu_svm *svm, int bit)
{
	struct vmcb *vmcb = svm->vmcb01.ptr;

	vmcb_clr_intercept(&vmcb->control, bit);

	recalc_intercepts(svm);
}

static inline bool svm_is_intercept(struct vcpu_svm *svm, int bit)
{
	return vmcb_is_intercept(&svm->vmcb->control, bit);
}

static inline bool vgif_enabled(struct vcpu_svm *svm)
{
	return !!(svm->vmcb->control.int_ctl & V_GIF_ENABLE_MASK);
}

static inline void enable_gif(struct vcpu_svm *svm)
{
	if (vgif_enabled(svm))
		svm->vmcb->control.int_ctl |= V_GIF_MASK;
	else
		svm->vcpu.arch.hflags |= HF_GIF_MASK;
}

static inline void disable_gif(struct vcpu_svm *svm)
{
	if (vgif_enabled(svm))
		svm->vmcb->control.int_ctl &= ~V_GIF_MASK;
	else
		svm->vcpu.arch.hflags &= ~HF_GIF_MASK;
}

static inline bool gif_set(struct vcpu_svm *svm)
{
	if (vgif_enabled(svm))
		return !!(svm->vmcb->control.int_ctl & V_GIF_MASK);
	else
		return !!(svm->vcpu.arch.hflags & HF_GIF_MASK);
}

/* svm.c */
#define MSR_INVALID				0xffffffffU

extern bool dump_invalid_vmcb;

u32 svm_msrpm_offset(u32 msr);
u32 *svm_vcpu_alloc_msrpm(void);
void svm_vcpu_init_msrpm(struct kvm_vcpu *vcpu, u32 *msrpm);
void svm_vcpu_free_msrpm(u32 *msrpm);

int svm_set_efer(struct kvm_vcpu *vcpu, u64 efer);
void svm_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0);
void svm_set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4);
void svm_flush_tlb(struct kvm_vcpu *vcpu);
void disable_nmi_singlestep(struct vcpu_svm *svm);
bool svm_smi_blocked(struct kvm_vcpu *vcpu);
bool svm_nmi_blocked(struct kvm_vcpu *vcpu);
bool svm_interrupt_blocked(struct kvm_vcpu *vcpu);
void svm_set_gif(struct vcpu_svm *svm, bool value);
int svm_invoke_exit_handler(struct kvm_vcpu *vcpu, u64 exit_code);
void set_msr_interception(struct kvm_vcpu *vcpu, u32 *msrpm, u32 msr,
			  int read, int write);

/* nested.c */

#define NESTED_EXIT_HOST	0	/* Exit handled on host level */
#define NESTED_EXIT_DONE	1	/* Exit caused nested vmexit  */
#define NESTED_EXIT_CONTINUE	2	/* Further checks needed      */

static inline bool nested_svm_virtualize_tpr(struct kvm_vcpu *vcpu)
{
	struct vcpu_svm *svm = to_svm(vcpu);

	return is_guest_mode(vcpu) && (svm->nested.ctl.int_ctl & V_INTR_MASKING_MASK);
}

static inline bool nested_exit_on_smi(struct vcpu_svm *svm)
{
	return vmcb_is_intercept(&svm->nested.ctl, INTERCEPT_SMI);
}

static inline bool nested_exit_on_intr(struct vcpu_svm *svm)
{
	return vmcb_is_intercept(&svm->nested.ctl, INTERCEPT_INTR);
}

static inline bool nested_exit_on_nmi(struct vcpu_svm *svm)
{
	return vmcb_is_intercept(&svm->nested.ctl, INTERCEPT_NMI);
}

int enter_svm_guest_mode(struct kvm_vcpu *vcpu, u64 vmcb_gpa, struct vmcb *vmcb12);
void svm_leave_nested(struct vcpu_svm *svm);
void svm_free_nested(struct vcpu_svm *svm);
int svm_allocate_nested(struct vcpu_svm *svm);
int nested_svm_vmrun(struct kvm_vcpu *vcpu);
void svm_copy_vmrun_state(struct vmcb_save_area *to_save,
			  struct vmcb_save_area *from_save);
void svm_copy_vmloadsave_state(struct vmcb *to_vmcb, struct vmcb *from_vmcb);
int nested_svm_vmexit(struct vcpu_svm *svm);

static inline int nested_svm_simple_vmexit(struct vcpu_svm *svm, u32 exit_code)
{
	svm->vmcb->control.exit_code   = exit_code;
	svm->vmcb->control.exit_info_1 = 0;
	svm->vmcb->control.exit_info_2 = 0;
	return nested_svm_vmexit(svm);
}

int nested_svm_exit_handled(struct vcpu_svm *svm);
int nested_svm_check_permissions(struct kvm_vcpu *vcpu);
int nested_svm_check_exception(struct vcpu_svm *svm, unsigned nr,
			       bool has_error_code, u32 error_code);
int nested_svm_exit_special(struct vcpu_svm *svm);
void nested_load_control_from_vmcb12(struct vcpu_svm *svm,
				     struct vmcb_control_area *control);
void nested_sync_control_from_vmcb02(struct vcpu_svm *svm);
void nested_vmcb02_compute_g_pat(struct vcpu_svm *svm);
void svm_switch_vmcb(struct vcpu_svm *svm, struct kvm_vmcb_info *target_vmcb);

extern struct kvm_x86_nested_ops svm_nested_ops;

/* avic.c */

#define AVIC_LOGICAL_ID_ENTRY_GUEST_PHYSICAL_ID_MASK	(0xFF)
#define AVIC_LOGICAL_ID_ENTRY_VALID_BIT			31
#define AVIC_LOGICAL_ID_ENTRY_VALID_MASK		(1 << 31)

#define AVIC_PHYSICAL_ID_ENTRY_HOST_PHYSICAL_ID_MASK	(0xFFULL)
#define AVIC_PHYSICAL_ID_ENTRY_BACKING_PAGE_MASK	(0xFFFFFFFFFFULL << 12)
#define AVIC_PHYSICAL_ID_ENTRY_IS_RUNNING_MASK		(1ULL << 62)
#define AVIC_PHYSICAL_ID_ENTRY_VALID_MASK		(1ULL << 63)

#define VMCB_AVIC_APIC_BAR_MASK		0xFFFFFFFFFF000ULL

static inline bool avic_vcpu_is_running(struct kvm_vcpu *vcpu)
{
	struct vcpu_svm *svm = to_svm(vcpu);
	u64 *entry = svm->avic_physical_id_cache;

	if (!entry)
		return false;

	return (READ_ONCE(*entry) & AVIC_PHYSICAL_ID_ENTRY_IS_RUNNING_MASK);
}

int avic_ga_log_notifier(u32 ga_tag);
void avic_vm_destroy(struct kvm *kvm);
int avic_vm_init(struct kvm *kvm);
void avic_init_vmcb(struct vcpu_svm *svm);
int avic_incomplete_ipi_interception(struct kvm_vcpu *vcpu);
int avic_unaccelerated_access_interception(struct kvm_vcpu *vcpu);
int avic_init_vcpu(struct vcpu_svm *svm);
void avic_vcpu_load(struct kvm_vcpu *vcpu, int cpu);
void avic_vcpu_put(struct kvm_vcpu *vcpu);
void avic_post_state_restore(struct kvm_vcpu *vcpu);
void svm_set_virtual_apic_mode(struct kvm_vcpu *vcpu);
void svm_refresh_apicv_exec_ctrl(struct kvm_vcpu *vcpu);
bool svm_check_apicv_inhibit_reasons(ulong bit);
void svm_load_eoi_exitmap(struct kvm_vcpu *vcpu, u64 *eoi_exit_bitmap);
void svm_hwapic_irr_update(struct kvm_vcpu *vcpu, int max_irr);
void svm_hwapic_isr_update(struct kvm_vcpu *vcpu, int max_isr);
int svm_deliver_avic_intr(struct kvm_vcpu *vcpu, int vec);
bool svm_dy_apicv_has_pending_interrupt(struct kvm_vcpu *vcpu);
int svm_update_pi_irte(struct kvm *kvm, unsigned int host_irq,
		       uint32_t guest_irq, bool set);
void svm_vcpu_blocking(struct kvm_vcpu *vcpu);
void svm_vcpu_unblocking(struct kvm_vcpu *vcpu);

/* sev.c */

#define GHCB_VERSION_MAX	1ULL
#define GHCB_VERSION_MIN	1ULL


extern unsigned int max_sev_asid;

void sev_vm_destroy(struct kvm *kvm);
int svm_mem_enc_op(struct kvm *kvm, void __user *argp);
int svm_register_enc_region(struct kvm *kvm,
			    struct kvm_enc_region *range);
int svm_unregister_enc_region(struct kvm *kvm,
			      struct kvm_enc_region *range);
int svm_vm_copy_asid_from(struct kvm *kvm, unsigned int source_fd);
void pre_sev_run(struct vcpu_svm *svm, int cpu);
void __init sev_set_cpu_caps(void);
void __init sev_hardware_setup(void);
void sev_hardware_teardown(void);
int sev_cpu_init(struct svm_cpu_data *sd);
void sev_free_vcpu(struct kvm_vcpu *vcpu);
int sev_handle_vmgexit(struct kvm_vcpu *vcpu);
int sev_es_string_io(struct vcpu_svm *svm, int size, unsigned int port, int in);
void sev_es_init_vmcb(struct vcpu_svm *svm);
void sev_es_create_vcpu(struct vcpu_svm *svm);
void sev_vcpu_deliver_sipi_vector(struct kvm_vcpu *vcpu, u8 vector);
void sev_es_prepare_guest_switch(struct vcpu_svm *svm, unsigned int cpu);
void sev_es_unmap_ghcb(struct vcpu_svm *svm);

/* vmenter.S */

void __svm_sev_es_vcpu_run(unsigned long vmcb_pa);
void __svm_vcpu_run(unsigned long vmcb_pa, unsigned long *regs);

#endif
Commit	Line	Data
883b0a91 JR	1	// SPDX-License-Identifier: GPL-2.0-only
	2	/*
	3	* Kernel-based Virtual Machine driver for Linux
	4	*
	5	* AMD SVM support
	6	*
	7	* Copyright (C) 2006 Qumranet, Inc.
	8	* Copyright 2010 Red Hat, Inc. and/or its affiliates.
	9	*
	10	* Authors:
	11	* Yaniv Kamay <yaniv@qumranet.com>
	12	* Avi Kivity <avi@qumranet.com>
	13	*/
	14
	15	#ifndef __SVM_SVM_H
	16	#define __SVM_SVM_H
	17
	18	#include <linux/kvm_types.h>
	19	#include <linux/kvm_host.h>
291bd20d	20	#include <linux/bits.h>
883b0a91 JR	21
883b0a91 JR	22	#include <asm/svm.h>
b81fc74d	23	#include <asm/sev-common.h>
883b0a91	24
85ca8be9 TL	25	#define __sme_page_pa(x) __sme_set(page_to_pfn(x) << PAGE_SHIFT)
85ca8be9 TL	26
47903dc1 KS	27	#define IOPM_SIZE PAGE_SIZE * 3
	28	#define MSRPM_SIZE PAGE_SIZE * 2
	29
adc2a237	30	#define MAX_DIRECT_ACCESS_MSRS 20
883b0a91 JR	31	#define MSRPM_OFFSETS 16
	32	extern u32 msrpm_offsets[MSRPM_OFFSETS] __read_mostly;
	33	extern bool npt_enabled;
4b639a9f	34	extern bool intercept_smi;
883b0a91	35
59d21d67 VP	36	/*
	37	* Clean bits in VMCB.
	38	* VMCB_ALL_CLEAN_MASK might also need to
	39	* be updated if this enum is modified.
	40	*/
883b0a91 JR	41	enum {
	42	VMCB_INTERCEPTS, /* Intercept vectors, TSC offset,
	43	pause filter count */
	44	VMCB_PERM_MAP, /* IOPM Base and MSRPM Base */
	45	VMCB_ASID, /* ASID */
	46	VMCB_INTR, /* int_ctl, int_vector */
	47	VMCB_NPT, /* npt_en, nCR3, gPAT */
	48	VMCB_CR, /* CR0, CR3, CR4, EFER */
	49	VMCB_DR, /* DR6, DR7 */
	50	VMCB_DT, /* GDT, IDT */
	51	VMCB_SEG, /* CS, DS, SS, ES, CPL */
	52	VMCB_CR2, /* CR2 only */
	53	VMCB_LBR, /* DBGCTL, BR_FROM, BR_TO, LAST_EX_FROM, LAST_EX_TO */
	54	VMCB_AVIC, /* AVIC APIC_BAR, AVIC APIC_BACKING_PAGE,
	55	* AVIC PHYSICAL_TABLE pointer,
	56	* AVIC LOGICAL_TABLE pointer
	57	*/
59d21d67	58	VMCB_SW = 31, /* Reserved for hypervisor/software use */
883b0a91 JR	59	};
883b0a91 JR	60
59d21d67 VP	61	#define VMCB_ALL_CLEAN_MASK ( \
	62	(1U << VMCB_INTERCEPTS) \| (1U << VMCB_PERM_MAP) \| \
	63	(1U << VMCB_ASID) \| (1U << VMCB_INTR) \| \
	64	(1U << VMCB_NPT) \| (1U << VMCB_CR) \| (1U << VMCB_DR) \| \
	65	(1U << VMCB_DT) \| (1U << VMCB_SEG) \| (1U << VMCB_CR2) \| \
	66	(1U << VMCB_LBR) \| (1U << VMCB_AVIC) \| \
	67	(1U << VMCB_SW))
	68
883b0a91 JR	69	/* TPR and CR2 are always written before VMRUN */
	70	#define VMCB_ALWAYS_DIRTY_MASK ((1U << VMCB_INTR) \| (1U << VMCB_CR2))
	71
	72	struct kvm_sev_info {
	73	bool active; /* SEV enabled guest */
916391a2	74	bool es_active; /* SEV-ES enabled guest */
883b0a91 JR	75	unsigned int asid; /* ASID used for this guest */
	76	unsigned int handle; /* SEV firmware handle */
	77	int fd; /* SEV device fd */
	78	unsigned long pages_locked; /* Number of pages locked */
	79	struct list_head regions_list; /* List of registered regions */
8640ca58	80	u64 ap_jump_table; /* SEV-ES AP Jump Table address */
54526d1f	81	struct kvm enc_context_owner; / Owner of copied encryption context */
7aef27f0	82	struct misc_cg misc_cg; / For misc cgroup accounting */
883b0a91 JR	83	};
	84
	85	struct kvm_svm {
	86	struct kvm kvm;
	87
	88	/* Struct members for AVIC */
	89	u32 avic_vm_id;
	90	struct page *avic_logical_id_table_page;
	91	struct page *avic_physical_id_table_page;
	92	struct hlist_node hnode;
	93
	94	struct kvm_sev_info sev_info;
	95	};
	96
	97	struct kvm_vcpu;
	98
4995a368 CA	99	struct kvm_vmcb_info {
	100	struct vmcb *ptr;
	101	unsigned long pa;
af18fa77	102	int cpu;
193015ad	103	uint64_t asid_generation;
4995a368 CA	104	};
4995a368 CA	105
7693b3eb	106	struct svm_nested_state {
4995a368	107	struct kvm_vmcb_info vmcb02;
883b0a91 JR	108	u64 hsave_msr;
883b0a91 JR	109	u64 vm_cr_msr;
0dd16b5b	110	u64 vmcb12_gpa;
8173396e	111	u64 last_vmcb12_gpa;
883b0a91 JR	112
	113	/* These are the merged vectors */
	114	u32 *msrpm;
	115
f74f9414 PB	116	/* A VMRUN has started but has not yet been performed, so
	117	* we cannot inject a nested vmexit yet. */
	118	bool nested_run_pending;
	119
e670bf68 PB	120	/* cache for control fields of the guest */
e670bf68 PB	121	struct vmcb_control_area ctl;
2fcf4876 ML	122
2fcf4876 ML	123	bool initialized;
883b0a91 JR	124	};
	125
	126	struct vcpu_svm {
	127	struct kvm_vcpu vcpu;
554cf314	128	/* vmcb always points at current_vmcb->ptr, it's purely a shorthand. */
883b0a91	129	struct vmcb *vmcb;
4995a368 CA	130	struct kvm_vmcb_info vmcb01;
4995a368 CA	131	struct kvm_vmcb_info *current_vmcb;
883b0a91	132	struct svm_cpu_data *svm_data;
7e8e6eed	133	u32 asid;
adc2a237 ML	134	u32 sysenter_esp_hi;
adc2a237 ML	135	u32 sysenter_eip_hi;
883b0a91 JR	136	uint64_t tsc_aux;
	137
	138	u64 msr_decfg;
	139
	140	u64 next_rip;
	141
883b0a91 JR	142	u64 spec_ctrl;
	143	/*
	144	* Contains guest-controlled bits of VIRT_SPEC_CTRL, which will be
	145	* translated into the appropriate L2_CFG bits on the host to
	146	* perform speculative control.
	147	*/
	148	u64 virt_spec_ctrl;
	149
	150	u32 *msrpm;
	151
	152	ulong nmi_iret_rip;
	153
7693b3eb	154	struct svm_nested_state nested;
883b0a91 JR	155
	156	bool nmi_singlestep;
	157	u64 nmi_singlestep_guest_rflags;
	158
	159	unsigned int3_injected;
	160	unsigned long int3_rip;
	161
	162	/* cached guest cpuid flags for faster access */
	163	bool nrips_enabled : 1;
	164
	165	u32 ldr_reg;
	166	u32 dfr_reg;
	167	struct page *avic_backing_page;
	168	u64 *avic_physical_id_cache;
	169	bool avic_is_running;
	170
	171	/*
	172	* Per-vcpu list of struct amd_svm_iommu_ir:
	173	* This is used mainly to store interrupt remapping information used
	174	* when update the vcpu affinity. This avoids the need to scan for
	175	* IRTE and try to match ga_tag in the IOMMU driver.
	176	*/
	177	struct list_head ir_list;
	178	spinlock_t ir_list_lock;
fd6fa73d AG	179
	180	/* Save desired MSR intercept (read: pass-through) state */
	181	struct {
	182	DECLARE_BITMAP(read, MAX_DIRECT_ACCESS_MSRS);
	183	DECLARE_BITMAP(write, MAX_DIRECT_ACCESS_MSRS);
	184	} shadow_msr_intercept;
add5e2f0 TL	185
	186	/* SEV-ES support */
	187	struct vmcb_save_area *vmsa;
	188	struct ghcb *ghcb;
291bd20d	189	struct kvm_host_map ghcb_map;
647daca2	190	bool received_first_sipi;
8f423a80 TL	191
	192	/* SEV-ES scratch area support */
	193	void *ghcb_sa;
	194	u64 ghcb_sa_len;
	195	bool ghcb_sa_sync;
	196	bool ghcb_sa_free;
a7fc06dd MR	197
a7fc06dd MR	198	bool guest_state_loaded;
883b0a91 JR	199	};
883b0a91 JR	200
eaf78265 JR	201	struct svm_cpu_data {
	202	int cpu;
	203
	204	u64 asid_generation;
	205	u32 max_asid;
	206	u32 next_asid;
	207	u32 min_asid;
	208	struct kvm_ldttss_desc *tss_desc;
	209
	210	struct page *save_area;
	211	struct vmcb *current_vmcb;
	212
	213	/* index = sev_asid, value = vmcb pointer */
	214	struct vmcb **sev_vmcbs;
	215	};
	216
	217	DECLARE_PER_CPU(struct svm_cpu_data *, svm_data);
	218
883b0a91 JR	219	void recalc_intercepts(struct vcpu_svm *svm);
883b0a91 JR	220
ef0f6496 JR	221	static inline struct kvm_svm to_kvm_svm(struct kvm kvm)
	222	{
	223	return container_of(kvm, struct kvm_svm, kvm);
	224	}
	225
916391a2 TL	226	static inline bool sev_guest(struct kvm *kvm)
	227	{
	228	#ifdef CONFIG_KVM_AMD_SEV
	229	struct kvm_sev_info *sev = &to_kvm_svm(kvm)->sev_info;
	230
	231	return sev->active;
	232	#else
	233	return false;
	234	#endif
	235	}
	236
	237	static inline bool sev_es_guest(struct kvm *kvm)
	238	{
	239	#ifdef CONFIG_KVM_AMD_SEV
	240	struct kvm_sev_info *sev = &to_kvm_svm(kvm)->sev_info;
	241
	242	return sev_guest(kvm) && sev->es_active;
	243	#else
	244	return false;
	245	#endif
	246	}
	247
06e7852c	248	static inline void vmcb_mark_all_dirty(struct vmcb *vmcb)
883b0a91 JR	249	{
	250	vmcb->control.clean = 0;
	251	}
	252
06e7852c	253	static inline void vmcb_mark_all_clean(struct vmcb *vmcb)
883b0a91	254	{
59d21d67	255	vmcb->control.clean = VMCB_ALL_CLEAN_MASK
883b0a91 JR	256	& ~VMCB_ALWAYS_DIRTY_MASK;
	257	}
	258
c4327f15 VP	259	static inline bool vmcb_is_clean(struct vmcb *vmcb, int bit)
	260	{
	261	return (vmcb->control.clean & (1 << bit));
	262	}
	263
06e7852c	264	static inline void vmcb_mark_dirty(struct vmcb *vmcb, int bit)
883b0a91 JR	265	{
	266	vmcb->control.clean &= ~(1 << bit);
	267	}
	268
8173396e CA	269	static inline bool vmcb_is_dirty(struct vmcb *vmcb, int bit)
	270	{
	271	return !test_bit(bit, (unsigned long *)&vmcb->control.clean);
	272	}
	273
883b0a91 JR	274	static inline struct vcpu_svm to_svm(struct kvm_vcpu vcpu)
	275	{
	276	return container_of(vcpu, struct vcpu_svm, vcpu);
	277	}
	278
c45ad722 BM	279	static inline void vmcb_set_intercept(struct vmcb_control_area *control, u32 bit)
	280	{
	281	WARN_ON_ONCE(bit >= 32 * MAX_INTERCEPT);
	282	__set_bit(bit, (unsigned long *)&control->intercepts);
	283	}
	284
	285	static inline void vmcb_clr_intercept(struct vmcb_control_area *control, u32 bit)
	286	{
	287	WARN_ON_ONCE(bit >= 32 * MAX_INTERCEPT);
	288	__clear_bit(bit, (unsigned long *)&control->intercepts);
	289	}
	290
	291	static inline bool vmcb_is_intercept(struct vmcb_control_area *control, u32 bit)
	292	{
	293	WARN_ON_ONCE(bit >= 32 * MAX_INTERCEPT);
	294	return test_bit(bit, (unsigned long *)&control->intercepts);
	295	}
	296
883b0a91 JR	297	static inline void set_dr_intercepts(struct vcpu_svm *svm)
883b0a91 JR	298	{
4995a368	299	struct vmcb *vmcb = svm->vmcb01.ptr;
883b0a91	300
8d4846b9 TL	301	if (!sev_es_guest(svm->vcpu.kvm)) {
	302	vmcb_set_intercept(&vmcb->control, INTERCEPT_DR0_READ);
	303	vmcb_set_intercept(&vmcb->control, INTERCEPT_DR1_READ);
	304	vmcb_set_intercept(&vmcb->control, INTERCEPT_DR2_READ);
	305	vmcb_set_intercept(&vmcb->control, INTERCEPT_DR3_READ);
	306	vmcb_set_intercept(&vmcb->control, INTERCEPT_DR4_READ);
	307	vmcb_set_intercept(&vmcb->control, INTERCEPT_DR5_READ);
	308	vmcb_set_intercept(&vmcb->control, INTERCEPT_DR6_READ);
	309	vmcb_set_intercept(&vmcb->control, INTERCEPT_DR0_WRITE);
	310	vmcb_set_intercept(&vmcb->control, INTERCEPT_DR1_WRITE);
	311	vmcb_set_intercept(&vmcb->control, INTERCEPT_DR2_WRITE);
	312	vmcb_set_intercept(&vmcb->control, INTERCEPT_DR3_WRITE);
	313	vmcb_set_intercept(&vmcb->control, INTERCEPT_DR4_WRITE);
	314	vmcb_set_intercept(&vmcb->control, INTERCEPT_DR5_WRITE);
	315	vmcb_set_intercept(&vmcb->control, INTERCEPT_DR6_WRITE);
	316	}
	317
30abaa88	318	vmcb_set_intercept(&vmcb->control, INTERCEPT_DR7_READ);
30abaa88	319	vmcb_set_intercept(&vmcb->control, INTERCEPT_DR7_WRITE);
883b0a91 JR	320
	321	recalc_intercepts(svm);
	322	}
	323
	324	static inline void clr_dr_intercepts(struct vcpu_svm *svm)
	325	{
4995a368	326	struct vmcb *vmcb = svm->vmcb01.ptr;
883b0a91	327
30abaa88	328	vmcb->control.intercepts[INTERCEPT_DR] = 0;
883b0a91	329
8d4846b9 TL	330	/* DR7 access must remain intercepted for an SEV-ES guest */
	331	if (sev_es_guest(svm->vcpu.kvm)) {
	332	vmcb_set_intercept(&vmcb->control, INTERCEPT_DR7_READ);
	333	vmcb_set_intercept(&vmcb->control, INTERCEPT_DR7_WRITE);
	334	}
	335
883b0a91 JR	336	recalc_intercepts(svm);
	337	}
	338
9780d51d	339	static inline void set_exception_intercept(struct vcpu_svm *svm, u32 bit)
883b0a91	340	{
4995a368	341	struct vmcb *vmcb = svm->vmcb01.ptr;
883b0a91	342
9780d51d BM	343	WARN_ON_ONCE(bit >= 32);
9780d51d BM	344	vmcb_set_intercept(&vmcb->control, INTERCEPT_EXCEPTION_OFFSET + bit);
883b0a91 JR	345
	346	recalc_intercepts(svm);
	347	}
	348
9780d51d	349	static inline void clr_exception_intercept(struct vcpu_svm *svm, u32 bit)
883b0a91	350	{
4995a368	351	struct vmcb *vmcb = svm->vmcb01.ptr;
883b0a91	352
9780d51d BM	353	WARN_ON_ONCE(bit >= 32);
9780d51d BM	354	vmcb_clr_intercept(&vmcb->control, INTERCEPT_EXCEPTION_OFFSET + bit);
883b0a91 JR	355
	356	recalc_intercepts(svm);
	357	}
	358
a284ba56	359	static inline void svm_set_intercept(struct vcpu_svm *svm, int bit)
883b0a91	360	{
4995a368	361	struct vmcb *vmcb = svm->vmcb01.ptr;
883b0a91	362
c62e2e94	363	vmcb_set_intercept(&vmcb->control, bit);
883b0a91 JR	364
	365	recalc_intercepts(svm);
	366	}
	367
a284ba56	368	static inline void svm_clr_intercept(struct vcpu_svm *svm, int bit)
883b0a91	369	{
4995a368	370	struct vmcb *vmcb = svm->vmcb01.ptr;
883b0a91	371
c62e2e94	372	vmcb_clr_intercept(&vmcb->control, bit);
883b0a91 JR	373
	374	recalc_intercepts(svm);
	375	}
	376
a284ba56	377	static inline bool svm_is_intercept(struct vcpu_svm *svm, int bit)
883b0a91	378	{
c62e2e94	379	return vmcb_is_intercept(&svm->vmcb->control, bit);
883b0a91 JR	380	}
	381
	382	static inline bool vgif_enabled(struct vcpu_svm *svm)
	383	{
	384	return !!(svm->vmcb->control.int_ctl & V_GIF_ENABLE_MASK);
	385	}
	386
	387	static inline void enable_gif(struct vcpu_svm *svm)
	388	{
	389	if (vgif_enabled(svm))
	390	svm->vmcb->control.int_ctl \|= V_GIF_MASK;
	391	else
	392	svm->vcpu.arch.hflags \|= HF_GIF_MASK;
	393	}
	394
	395	static inline void disable_gif(struct vcpu_svm *svm)
	396	{
	397	if (vgif_enabled(svm))
	398	svm->vmcb->control.int_ctl &= ~V_GIF_MASK;
	399	else
	400	svm->vcpu.arch.hflags &= ~HF_GIF_MASK;
	401	}
	402
	403	static inline bool gif_set(struct vcpu_svm *svm)
	404	{
	405	if (vgif_enabled(svm))
	406	return !!(svm->vmcb->control.int_ctl & V_GIF_MASK);
	407	else
	408	return !!(svm->vcpu.arch.hflags & HF_GIF_MASK);
	409	}
	410
	411	/* svm.c */
761e4169	412	#define MSR_INVALID 0xffffffffU
883b0a91	413
291bd20d	414	extern bool dump_invalid_vmcb;
916391a2	415
883b0a91	416	u32 svm_msrpm_offset(u32 msr);
2fcf4876 ML	417	u32 *svm_vcpu_alloc_msrpm(void);
	418	void svm_vcpu_init_msrpm(struct kvm_vcpu vcpu, u32 msrpm);
	419	void svm_vcpu_free_msrpm(u32 *msrpm);
	420
72f211ec	421	int svm_set_efer(struct kvm_vcpu *vcpu, u64 efer);
883b0a91	422	void svm_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0);
c2fe3cd4	423	void svm_set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4);
f55ac304	424	void svm_flush_tlb(struct kvm_vcpu *vcpu);
883b0a91	425	void disable_nmi_singlestep(struct vcpu_svm *svm);
cae96af1 PB	426	bool svm_smi_blocked(struct kvm_vcpu *vcpu);
	427	bool svm_nmi_blocked(struct kvm_vcpu *vcpu);
	428	bool svm_interrupt_blocked(struct kvm_vcpu *vcpu);
ffdf7f9e	429	void svm_set_gif(struct vcpu_svm *svm, bool value);
63129754	430	int svm_invoke_exit_handler(struct kvm_vcpu *vcpu, u64 exit_code);
376c6d28 TL	431	void set_msr_interception(struct kvm_vcpu vcpu, u32 msrpm, u32 msr,
376c6d28 TL	432	int read, int write);
883b0a91 JR	433
	434	/* nested.c */
	435
	436	#define NESTED_EXIT_HOST 0 /* Exit handled on host level */
	437	#define NESTED_EXIT_DONE 1 /* Exit caused nested vmexit */
	438	#define NESTED_EXIT_CONTINUE 2 /* Further checks needed */
	439
01c3b2b5	440	static inline bool nested_svm_virtualize_tpr(struct kvm_vcpu *vcpu)
883b0a91	441	{
e9fd761a PB	442	struct vcpu_svm *svm = to_svm(vcpu);
	443
	444	return is_guest_mode(vcpu) && (svm->nested.ctl.int_ctl & V_INTR_MASKING_MASK);
883b0a91 JR	445	}
883b0a91 JR	446
55714cdd PB	447	static inline bool nested_exit_on_smi(struct vcpu_svm *svm)
55714cdd PB	448	{
c62e2e94	449	return vmcb_is_intercept(&svm->nested.ctl, INTERCEPT_SMI);
55714cdd PB	450	}
55714cdd PB	451
fc6f7c03 PB	452	static inline bool nested_exit_on_intr(struct vcpu_svm *svm)
fc6f7c03 PB	453	{
c62e2e94	454	return vmcb_is_intercept(&svm->nested.ctl, INTERCEPT_INTR);
fc6f7c03 PB	455	}
fc6f7c03 PB	456
bbdad0b5 PB	457	static inline bool nested_exit_on_nmi(struct vcpu_svm *svm)
bbdad0b5 PB	458	{
c62e2e94	459	return vmcb_is_intercept(&svm->nested.ctl, INTERCEPT_NMI);
bbdad0b5 PB	460	}
bbdad0b5 PB	461
63129754	462	int enter_svm_guest_mode(struct kvm_vcpu vcpu, u64 vmcb_gpa, struct vmcb vmcb12);
c513f484	463	void svm_leave_nested(struct vcpu_svm *svm);
2fcf4876 ML	464	void svm_free_nested(struct vcpu_svm *svm);
2fcf4876 ML	465	int svm_allocate_nested(struct vcpu_svm *svm);
63129754	466	int nested_svm_vmrun(struct kvm_vcpu *vcpu);
2bb16bea VK	467	void svm_copy_vmrun_state(struct vmcb_save_area *to_save,
	468	struct vmcb_save_area *from_save);
	469	void svm_copy_vmloadsave_state(struct vmcb to_vmcb, struct vmcb from_vmcb);
883b0a91	470	int nested_svm_vmexit(struct vcpu_svm *svm);
3a87c7e0 SC	471
	472	static inline int nested_svm_simple_vmexit(struct vcpu_svm *svm, u32 exit_code)
	473	{
	474	svm->vmcb->control.exit_code = exit_code;
	475	svm->vmcb->control.exit_info_1 = 0;
	476	svm->vmcb->control.exit_info_2 = 0;
	477	return nested_svm_vmexit(svm);
	478	}
	479
883b0a91	480	int nested_svm_exit_handled(struct vcpu_svm *svm);
63129754	481	int nested_svm_check_permissions(struct kvm_vcpu *vcpu);
883b0a91 JR	482	int nested_svm_check_exception(struct vcpu_svm *svm, unsigned nr,
883b0a91 JR	483	bool has_error_code, u32 error_code);
883b0a91	484	int nested_svm_exit_special(struct vcpu_svm *svm);
bb00bd9c VK	485	void nested_load_control_from_vmcb12(struct vcpu_svm *svm,
bb00bd9c VK	486	struct vmcb_control_area *control);
9e8f0fbf	487	void nested_sync_control_from_vmcb02(struct vcpu_svm *svm);
4995a368 CA	488	void nested_vmcb02_compute_g_pat(struct vcpu_svm *svm);
4995a368 CA	489	void svm_switch_vmcb(struct vcpu_svm svm, struct kvm_vmcb_info target_vmcb);
883b0a91	490
33b22172 PB	491	extern struct kvm_x86_nested_ops svm_nested_ops;
33b22172 PB	492
ef0f6496 JR	493	/* avic.c */
	494
	495	#define AVIC_LOGICAL_ID_ENTRY_GUEST_PHYSICAL_ID_MASK (0xFF)
	496	#define AVIC_LOGICAL_ID_ENTRY_VALID_BIT 31
	497	#define AVIC_LOGICAL_ID_ENTRY_VALID_MASK (1 << 31)
	498
	499	#define AVIC_PHYSICAL_ID_ENTRY_HOST_PHYSICAL_ID_MASK (0xFFULL)
	500	#define AVIC_PHYSICAL_ID_ENTRY_BACKING_PAGE_MASK (0xFFFFFFFFFFULL << 12)
	501	#define AVIC_PHYSICAL_ID_ENTRY_IS_RUNNING_MASK (1ULL << 62)
	502	#define AVIC_PHYSICAL_ID_ENTRY_VALID_MASK (1ULL << 63)
	503
	504	#define VMCB_AVIC_APIC_BAR_MASK 0xFFFFFFFFFF000ULL
	505
ef0f6496 JR	506	static inline bool avic_vcpu_is_running(struct kvm_vcpu *vcpu)
	507	{
	508	struct vcpu_svm *svm = to_svm(vcpu);
	509	u64 *entry = svm->avic_physical_id_cache;
	510
	511	if (!entry)
	512	return false;
	513
	514	return (READ_ONCE(*entry) & AVIC_PHYSICAL_ID_ENTRY_IS_RUNNING_MASK);
	515	}
	516
	517	int avic_ga_log_notifier(u32 ga_tag);
	518	void avic_vm_destroy(struct kvm *kvm);
	519	int avic_vm_init(struct kvm *kvm);
	520	void avic_init_vmcb(struct vcpu_svm *svm);
63129754 PB	521	int avic_incomplete_ipi_interception(struct kvm_vcpu *vcpu);
63129754 PB	522	int avic_unaccelerated_access_interception(struct kvm_vcpu *vcpu);
ef0f6496 JR	523	int avic_init_vcpu(struct vcpu_svm *svm);
	524	void avic_vcpu_load(struct kvm_vcpu *vcpu, int cpu);
	525	void avic_vcpu_put(struct kvm_vcpu *vcpu);
	526	void avic_post_state_restore(struct kvm_vcpu *vcpu);
	527	void svm_set_virtual_apic_mode(struct kvm_vcpu *vcpu);
	528	void svm_refresh_apicv_exec_ctrl(struct kvm_vcpu *vcpu);
	529	bool svm_check_apicv_inhibit_reasons(ulong bit);
ef0f6496 JR	530	void svm_load_eoi_exitmap(struct kvm_vcpu vcpu, u64 eoi_exit_bitmap);
	531	void svm_hwapic_irr_update(struct kvm_vcpu *vcpu, int max_irr);
	532	void svm_hwapic_isr_update(struct kvm_vcpu *vcpu, int max_isr);
	533	int svm_deliver_avic_intr(struct kvm_vcpu *vcpu, int vec);
	534	bool svm_dy_apicv_has_pending_interrupt(struct kvm_vcpu *vcpu);
	535	int svm_update_pi_irte(struct kvm *kvm, unsigned int host_irq,
	536	uint32_t guest_irq, bool set);
	537	void svm_vcpu_blocking(struct kvm_vcpu *vcpu);
	538	void svm_vcpu_unblocking(struct kvm_vcpu *vcpu);
	539
eaf78265 JR	540	/* sev.c */
eaf78265 JR	541
b81fc74d BS	542	#define GHCB_VERSION_MAX 1ULL
	543	#define GHCB_VERSION_MIN 1ULL
	544
e1d71116	545
eaf78265 JR	546	extern unsigned int max_sev_asid;
eaf78265 JR	547
eaf78265 JR	548	void sev_vm_destroy(struct kvm *kvm);
	549	int svm_mem_enc_op(struct kvm kvm, void __user argp);
	550	int svm_register_enc_region(struct kvm *kvm,
	551	struct kvm_enc_region *range);
	552	int svm_unregister_enc_region(struct kvm *kvm,
	553	struct kvm_enc_region *range);
54526d1f	554	int svm_vm_copy_asid_from(struct kvm *kvm, unsigned int source_fd);
eaf78265	555	void pre_sev_run(struct vcpu_svm *svm, int cpu);
d9db0fd6	556	void __init sev_set_cpu_caps(void);
916391a2	557	void __init sev_hardware_setup(void);
eaf78265	558	void sev_hardware_teardown(void);
b95c221c	559	int sev_cpu_init(struct svm_cpu_data *sd);
add5e2f0	560	void sev_free_vcpu(struct kvm_vcpu *vcpu);
63129754	561	int sev_handle_vmgexit(struct kvm_vcpu *vcpu);
7ed9abfe	562	int sev_es_string_io(struct vcpu_svm *svm, int size, unsigned int port, int in);
376c6d28 TL	563	void sev_es_init_vmcb(struct vcpu_svm *svm);
376c6d28 TL	564	void sev_es_create_vcpu(struct vcpu_svm *svm);
647daca2	565	void sev_vcpu_deliver_sipi_vector(struct kvm_vcpu *vcpu, u8 vector);
a7fc06dd	566	void sev_es_prepare_guest_switch(struct vcpu_svm *svm, unsigned int cpu);
ce7ea0cf	567	void sev_es_unmap_ghcb(struct vcpu_svm *svm);
eaf78265	568
16809ecd TL	569	/* vmenter.S */
	570
	571	void __svm_sev_es_vcpu_run(unsigned long vmcb_pa);
	572	void __svm_vcpu_run(unsigned long vmcb_pa, unsigned long *regs);
	573
883b0a91	574	#endif