#define __sme_page_pa(x) __sme_set(page_to_pfn(x) << PAGE_SHIFT)
-static const u32 host_save_user_msrs[] = {
- MSR_TSC_AUX,
-};
-#define NR_HOST_SAVE_USER_MSRS ARRAY_SIZE(host_save_user_msrs)
+#define IOPM_SIZE PAGE_SIZE * 3
+#define MSRPM_SIZE PAGE_SIZE * 2
-#define MAX_DIRECT_ACCESS_MSRS 18
+#define MAX_DIRECT_ACCESS_MSRS 20
#define MSRPM_OFFSETS 16
extern u32 msrpm_offsets[MSRPM_OFFSETS] __read_mostly;
extern bool npt_enabled;
+/*
+ * 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 */
* AVIC PHYSICAL_TABLE pointer,
* AVIC LOGICAL_TABLE pointer
*/
- VMCB_DIRTY_MAX,
+ 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))
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_vcpu;
+struct kvm_vmcb_info {
+ struct vmcb *ptr;
+ unsigned long pa;
+ int cpu;
+ uint64_t asid_generation;
+};
+
struct svm_nested_state {
- struct vmcb *hsave;
+ 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;
struct vcpu_svm {
struct kvm_vcpu vcpu;
+ /* vmcb always points at current_vmcb->ptr, it's purely a shorthand. */
struct vmcb *vmcb;
- unsigned long vmcb_pa;
+ struct kvm_vmcb_info vmcb01;
+ struct kvm_vmcb_info *current_vmcb;
struct svm_cpu_data *svm_data;
u32 asid;
- uint64_t asid_generation;
- uint64_t sysenter_esp;
- uint64_t sysenter_eip;
+ u32 sysenter_esp_hi;
+ u32 sysenter_eip_hi;
uint64_t tsc_aux;
u64 msr_decfg;
u64 next_rip;
- u64 host_user_msrs[NR_HOST_SAVE_USER_MSRS];
-
u64 spec_ctrl;
/*
* Contains guest-controlled bits of VIRT_SPEC_CTRL, which will be
static inline void vmcb_mark_all_clean(struct vmcb *vmcb)
{
- vmcb->control.clean = ((1 << VMCB_DIRTY_MAX) - 1)
+ vmcb->control.clean = VMCB_ALL_CLEAN_MASK
& ~VMCB_ALWAYS_DIRTY_MASK;
}
vmcb->control.clean &= ~(1 << bit);
}
-static inline struct vcpu_svm *to_svm(struct kvm_vcpu *vcpu)
+static inline bool vmcb_is_dirty(struct vmcb *vmcb, int bit)
{
- return container_of(vcpu, struct vcpu_svm, vcpu);
+ return !test_bit(bit, (unsigned long *)&vmcb->control.clean);
}
-static inline struct vmcb *get_host_vmcb(struct vcpu_svm *svm)
+static inline struct vcpu_svm *to_svm(struct kvm_vcpu *vcpu)
{
- if (is_guest_mode(&svm->vcpu))
- return svm->nested.hsave;
- else
- return svm->vmcb;
+ return container_of(vcpu, struct vcpu_svm, vcpu);
}
static inline void vmcb_set_intercept(struct vmcb_control_area *control, u32 bit)
static inline void set_dr_intercepts(struct vcpu_svm *svm)
{
- struct vmcb *vmcb = get_host_vmcb(svm);
+ struct vmcb *vmcb = svm->vmcb01.ptr;
if (!sev_es_guest(svm->vcpu.kvm)) {
vmcb_set_intercept(&vmcb->control, INTERCEPT_DR0_READ);
static inline void clr_dr_intercepts(struct vcpu_svm *svm)
{
- struct vmcb *vmcb = get_host_vmcb(svm);
+ struct vmcb *vmcb = svm->vmcb01.ptr;
vmcb->control.intercepts[INTERCEPT_DR] = 0;
static inline void set_exception_intercept(struct vcpu_svm *svm, u32 bit)
{
- struct vmcb *vmcb = get_host_vmcb(svm);
+ struct vmcb *vmcb = svm->vmcb01.ptr;
WARN_ON_ONCE(bit >= 32);
vmcb_set_intercept(&vmcb->control, INTERCEPT_EXCEPTION_OFFSET + bit);
static inline void clr_exception_intercept(struct vcpu_svm *svm, u32 bit)
{
- struct vmcb *vmcb = get_host_vmcb(svm);
+ struct vmcb *vmcb = svm->vmcb01.ptr;
WARN_ON_ONCE(bit >= 32);
vmcb_clr_intercept(&vmcb->control, INTERCEPT_EXCEPTION_OFFSET + bit);
static inline void svm_set_intercept(struct vcpu_svm *svm, int bit)
{
- struct vmcb *vmcb = get_host_vmcb(svm);
+ struct vmcb *vmcb = svm->vmcb01.ptr;
vmcb_set_intercept(&vmcb->control, bit);
static inline void svm_clr_intercept(struct vcpu_svm *svm, int bit)
{
- struct vmcb *vmcb = get_host_vmcb(svm);
+ struct vmcb *vmcb = svm->vmcb01.ptr;
vmcb_clr_intercept(&vmcb->control, bit);
/* svm.c */
#define MSR_INVALID 0xffffffffU
-extern int sev;
-extern int sev_es;
extern bool dump_invalid_vmcb;
u32 svm_msrpm_offset(u32 msr);
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 vcpu_svm *svm, u64 exit_code);
+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);
return vmcb_is_intercept(&svm->nested.ctl, INTERCEPT_NMI);
}
-int enter_svm_guest_mode(struct vcpu_svm *svm, u64 vmcb_gpa,
- struct vmcb *nested_vmcb);
+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 vcpu_svm *svm);
+int nested_svm_vmrun(struct kvm_vcpu *vcpu);
void nested_svm_vmloadsave(struct vmcb *from_vmcb, struct vmcb *to_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 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 sync_nested_vmcb_control(struct vcpu_svm *svm);
+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;
#define VMCB_AVIC_APIC_BAR_MASK 0xFFFFFFFFFF000ULL
-extern int avic;
-
static inline void avic_update_vapic_bar(struct vcpu_svm *svm, u64 data)
{
svm->vmcb->control.avic_vapic_bar = data & VMCB_AVIC_APIC_BAR_MASK;
int avic_vm_init(struct kvm *kvm);
void avic_init_vmcb(struct vcpu_svm *svm);
void svm_toggle_avic_for_irq_window(struct kvm_vcpu *vcpu, bool activate);
-int avic_incomplete_ipi_interception(struct vcpu_svm *svm);
-int avic_unaccelerated_access_interception(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);
extern unsigned int max_sev_asid;
-static inline bool svm_sev_enabled(void)
-{
- return IS_ENABLED(CONFIG_KVM_AMD_SEV) ? max_sev_asid : 0;
-}
-
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 vcpu_svm *svm);
+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 */
projects / linux-2.6-microblaze.git / blobdiff