#include <asm/mce.h>
#include <asm/pkru.h>
#include <linux/kernel_stat.h>
-#include <asm/fpu/internal.h> /* Ugh! */
+#include <asm/fpu/api.h>
+#include <asm/fpu/xcr.h>
+#include <asm/fpu/xstate.h>
#include <asm/pvclock.h>
#include <asm/div64.h>
#include <asm/irq_remapping.h>
u64 __read_mostly supported_xcr0;
EXPORT_SYMBOL_GPL(supported_xcr0);
-static struct kmem_cache *x86_fpu_cache;
-
static struct kmem_cache *x86_emulator_cache;
/*
return 0;
}
-#define XSTATE_COMPACTION_ENABLED (1ULL << 63)
-
-static void fill_xsave(u8 *dest, struct kvm_vcpu *vcpu)
-{
- struct xregs_state *xsave = &vcpu->arch.guest_fpu->state.xsave;
- u64 xstate_bv = xsave->header.xfeatures;
- u64 valid;
-
- /*
- * Copy legacy XSAVE area, to avoid complications with CPUID
- * leaves 0 and 1 in the loop below.
- */
- memcpy(dest, xsave, XSAVE_HDR_OFFSET);
-
- /* Set XSTATE_BV */
- xstate_bv &= vcpu->arch.guest_supported_xcr0 | XFEATURE_MASK_FPSSE;
- *(u64 *)(dest + XSAVE_HDR_OFFSET) = xstate_bv;
-
- /*
- * Copy each region from the possibly compacted offset to the
- * non-compacted offset.
- */
- valid = xstate_bv & ~XFEATURE_MASK_FPSSE;
- while (valid) {
- u32 size, offset, ecx, edx;
- u64 xfeature_mask = valid & -valid;
- int xfeature_nr = fls64(xfeature_mask) - 1;
- void *src;
-
- cpuid_count(XSTATE_CPUID, xfeature_nr,
- &size, &offset, &ecx, &edx);
-
- if (xfeature_nr == XFEATURE_PKRU) {
- memcpy(dest + offset, &vcpu->arch.pkru,
- sizeof(vcpu->arch.pkru));
- } else {
- src = get_xsave_addr(xsave, xfeature_nr);
- if (src)
- memcpy(dest + offset, src, size);
- }
-
- valid -= xfeature_mask;
- }
-}
-
-static void load_xsave(struct kvm_vcpu *vcpu, u8 *src)
-{
- struct xregs_state *xsave = &vcpu->arch.guest_fpu->state.xsave;
- u64 xstate_bv = *(u64 *)(src + XSAVE_HDR_OFFSET);
- u64 valid;
-
- /*
- * Copy legacy XSAVE area, to avoid complications with CPUID
- * leaves 0 and 1 in the loop below.
- */
- memcpy(xsave, src, XSAVE_HDR_OFFSET);
-
- /* Set XSTATE_BV and possibly XCOMP_BV. */
- xsave->header.xfeatures = xstate_bv;
- if (boot_cpu_has(X86_FEATURE_XSAVES))
- xsave->header.xcomp_bv = host_xcr0 | XSTATE_COMPACTION_ENABLED;
-
- /*
- * Copy each region from the non-compacted offset to the
- * possibly compacted offset.
- */
- valid = xstate_bv & ~XFEATURE_MASK_FPSSE;
- while (valid) {
- u32 size, offset, ecx, edx;
- u64 xfeature_mask = valid & -valid;
- int xfeature_nr = fls64(xfeature_mask) - 1;
-
- cpuid_count(XSTATE_CPUID, xfeature_nr,
- &size, &offset, &ecx, &edx);
-
- if (xfeature_nr == XFEATURE_PKRU) {
- memcpy(&vcpu->arch.pkru, src + offset,
- sizeof(vcpu->arch.pkru));
- } else {
- void *dest = get_xsave_addr(xsave, xfeature_nr);
-
- if (dest)
- memcpy(dest, src + offset, size);
- }
-
- valid -= xfeature_mask;
- }
-}
-
static void kvm_vcpu_ioctl_x86_get_xsave(struct kvm_vcpu *vcpu,
struct kvm_xsave *guest_xsave)
{
- if (!vcpu->arch.guest_fpu)
+ if (fpstate_is_confidential(&vcpu->arch.guest_fpu))
return;
- if (boot_cpu_has(X86_FEATURE_XSAVE)) {
- memset(guest_xsave, 0, sizeof(struct kvm_xsave));
- fill_xsave((u8 *) guest_xsave->region, vcpu);
- } else {
- memcpy(guest_xsave->region,
- &vcpu->arch.guest_fpu->state.fxsave,
- sizeof(struct fxregs_state));
- *(u64 *)&guest_xsave->region[XSAVE_HDR_OFFSET / sizeof(u32)] =
- XFEATURE_MASK_FPSSE;
- }
+ fpu_copy_guest_fpstate_to_uabi(&vcpu->arch.guest_fpu,
+ guest_xsave->region,
+ sizeof(guest_xsave->region),
+ vcpu->arch.pkru);
}
-#define XSAVE_MXCSR_OFFSET 24
-
static int kvm_vcpu_ioctl_x86_set_xsave(struct kvm_vcpu *vcpu,
struct kvm_xsave *guest_xsave)
{
- u64 xstate_bv;
- u32 mxcsr;
-
- if (!vcpu->arch.guest_fpu)
+ if (fpstate_is_confidential(&vcpu->arch.guest_fpu))
return 0;
- xstate_bv = *(u64 *)&guest_xsave->region[XSAVE_HDR_OFFSET / sizeof(u32)];
- mxcsr = *(u32 *)&guest_xsave->region[XSAVE_MXCSR_OFFSET / sizeof(u32)];
-
- if (boot_cpu_has(X86_FEATURE_XSAVE)) {
- /*
- * Here we allow setting states that are not present in
- * CPUID leaf 0xD, index 0, EDX:EAX. This is for compatibility
- * with old userspace.
- */
- if (xstate_bv & ~supported_xcr0 || mxcsr & ~mxcsr_feature_mask)
- return -EINVAL;
- load_xsave(vcpu, (u8 *)guest_xsave->region);
- } else {
- if (xstate_bv & ~XFEATURE_MASK_FPSSE ||
- mxcsr & ~mxcsr_feature_mask)
- return -EINVAL;
- memcpy(&vcpu->arch.guest_fpu->state.fxsave,
- guest_xsave->region, sizeof(struct fxregs_state));
- }
- return 0;
+ return fpu_copy_uabi_to_guest_fpstate(&vcpu->arch.guest_fpu,
+ guest_xsave->region,
+ supported_xcr0, &vcpu->arch.pkru);
}
static void kvm_vcpu_ioctl_x86_get_xcrs(struct kvm_vcpu *vcpu,
if (kvm_x86_ops.vm_copy_enc_context_from)
r = kvm_x86_ops.vm_copy_enc_context_from(kvm, cap->args[0]);
return r;
+ case KVM_CAP_VM_MOVE_ENC_CONTEXT_FROM:
+ r = -EINVAL;
+ if (kvm_x86_ops.vm_move_enc_context_from)
+ r = kvm_x86_ops.vm_move_enc_context_from(
+ kvm, cap->args[0]);
+ return r;
case KVM_CAP_EXIT_HYPERCALL:
if (cap->args[0] & ~KVM_EXIT_HYPERCALL_VALID_MASK) {
r = -EINVAL;
}
static int emulator_pio_in_out(struct kvm_vcpu *vcpu, int size,
- unsigned short port, void *val,
+ unsigned short port,
unsigned int count, bool in)
{
vcpu->arch.pio.port = port;
vcpu->arch.pio.count = count;
vcpu->arch.pio.size = size;
- if (!kernel_pio(vcpu, vcpu->arch.pio_data)) {
- vcpu->arch.pio.count = 0;
+ if (!kernel_pio(vcpu, vcpu->arch.pio_data))
return 1;
- }
vcpu->run->exit_reason = KVM_EXIT_IO;
vcpu->run->io.direction = in ? KVM_EXIT_IO_IN : KVM_EXIT_IO_OUT;
return 0;
}
-static int emulator_pio_in(struct kvm_vcpu *vcpu, int size,
- unsigned short port, void *val, unsigned int count)
+static int __emulator_pio_in(struct kvm_vcpu *vcpu, int size,
+ unsigned short port, unsigned int count)
{
- int ret;
+ WARN_ON(vcpu->arch.pio.count);
+ memset(vcpu->arch.pio_data, 0, size * count);
+ return emulator_pio_in_out(vcpu, size, port, count, true);
+}
- if (vcpu->arch.pio.count)
- goto data_avail;
+static void complete_emulator_pio_in(struct kvm_vcpu *vcpu, void *val)
+{
+ int size = vcpu->arch.pio.size;
+ unsigned count = vcpu->arch.pio.count;
+ memcpy(val, vcpu->arch.pio_data, size * count);
+ trace_kvm_pio(KVM_PIO_IN, vcpu->arch.pio.port, size, count, vcpu->arch.pio_data);
+ vcpu->arch.pio.count = 0;
+}
- memset(vcpu->arch.pio_data, 0, size * count);
+static int emulator_pio_in(struct kvm_vcpu *vcpu, int size,
+ unsigned short port, void *val, unsigned int count)
+{
+ if (vcpu->arch.pio.count) {
+ /* Complete previous iteration. */
+ } else {
+ int r = __emulator_pio_in(vcpu, size, port, count);
+ if (!r)
+ return r;
- ret = emulator_pio_in_out(vcpu, size, port, val, count, true);
- if (ret) {
-data_avail:
- memcpy(val, vcpu->arch.pio_data, size * count);
- trace_kvm_pio(KVM_PIO_IN, port, size, count, vcpu->arch.pio_data);
- vcpu->arch.pio.count = 0;
- return 1;
+ /* Results already available, fall through. */
}
- return 0;
+ WARN_ON(count != vcpu->arch.pio.count);
+ complete_emulator_pio_in(vcpu, val);
+ return 1;
}
static int emulator_pio_in_emulated(struct x86_emulate_ctxt *ctxt,
unsigned short port, const void *val,
unsigned int count)
{
+ int ret;
+
memcpy(vcpu->arch.pio_data, val, size * count);
trace_kvm_pio(KVM_PIO_OUT, port, size, count, vcpu->arch.pio_data);
- return emulator_pio_in_out(vcpu, size, port, (void *)val, count, false);
+ ret = emulator_pio_in_out(vcpu, size, port, count, false);
+ if (ret)
+ vcpu->arch.pio.count = 0;
+
+ return ret;
}
static int emulator_pio_out_emulated(struct x86_emulate_ctxt *ctxt,
}
r = -ENOMEM;
- x86_fpu_cache = kmem_cache_create("x86_fpu", sizeof(struct fpu),
- __alignof__(struct fpu), SLAB_ACCOUNT,
- NULL);
- if (!x86_fpu_cache) {
- printk(KERN_ERR "kvm: failed to allocate cache for x86 fpu\n");
- goto out;
- }
x86_emulator_cache = kvm_alloc_emulator_cache();
if (!x86_emulator_cache) {
pr_err("kvm: failed to allocate cache for x86 emulator\n");
- goto out_free_x86_fpu_cache;
+ goto out;
}
user_return_msrs = alloc_percpu(struct kvm_user_return_msrs);
free_percpu(user_return_msrs);
out_free_x86_emulator_cache:
kmem_cache_destroy(x86_emulator_cache);
-out_free_x86_fpu_cache:
- kmem_cache_destroy(x86_fpu_cache);
out:
return r;
}
kvm_mmu_module_exit();
free_percpu(user_return_msrs);
kmem_cache_destroy(x86_emulator_cache);
- kmem_cache_destroy(x86_fpu_cache);
#ifdef CONFIG_KVM_XEN
static_key_deferred_flush(&kvm_xen_enabled);
WARN_ON(static_branch_unlikely(&kvm_xen_enabled.key));
kvm_run->cr8 = kvm_get_cr8(vcpu);
kvm_run->apic_base = kvm_get_apic_base(vcpu);
+
+ /*
+ * The call to kvm_ready_for_interrupt_injection() may end up in
+ * kvm_xen_has_interrupt() which may require the srcu lock to be
+ * held, to protect against changes in the vcpu_info address.
+ */
+ vcpu->srcu_idx = srcu_read_lock(&vcpu->kvm->srcu);
kvm_run->ready_for_interrupt_injection =
pic_in_kernel(vcpu->kvm) ||
kvm_vcpu_ready_for_interrupt_injection(vcpu);
+ srcu_read_unlock(&vcpu->kvm->srcu, vcpu->srcu_idx);
if (is_smm(vcpu))
kvm_run->flags |= KVM_RUN_X86_SMM;
}
if (kvm_request_pending(vcpu)) {
- if (kvm_check_request(KVM_REQ_VM_BUGGED, vcpu)) {
+ if (kvm_check_request(KVM_REQ_VM_DEAD, vcpu)) {
r = -EIO;
goto out;
}
if (likely(exit_fastpath != EXIT_FASTPATH_REENTER_GUEST))
break;
- if (unlikely(kvm_vcpu_exit_request(vcpu))) {
+ if (vcpu->arch.apicv_active)
+ static_call(kvm_x86_sync_pir_to_irr)(vcpu);
+
+ if (unlikely(kvm_vcpu_exit_request(vcpu))) {
exit_fastpath = EXIT_FASTPATH_EXIT_HANDLED;
break;
}
-
- if (vcpu->arch.apicv_active)
- static_call(kvm_x86_sync_pir_to_irr)(vcpu);
- }
+ }
/*
* Do this here before restoring debug registers on the host. And
return 0;
}
-static void kvm_save_current_fpu(struct fpu *fpu)
-{
- /*
- * If the target FPU state is not resident in the CPU registers, just
- * memcpy() from current, else save CPU state directly to the target.
- */
- if (test_thread_flag(TIF_NEED_FPU_LOAD))
- memcpy(&fpu->state, ¤t->thread.fpu.state,
- fpu_kernel_xstate_size);
- else
- save_fpregs_to_fpstate(fpu);
-}
-
/* Swap (qemu) user FPU context for the guest FPU context. */
static void kvm_load_guest_fpu(struct kvm_vcpu *vcpu)
{
- fpregs_lock();
-
- kvm_save_current_fpu(vcpu->arch.user_fpu);
-
/*
- * Guests with protected state can't have it set by the hypervisor,
- * so skip trying to set it.
+ * Exclude PKRU from restore as restored separately in
+ * kvm_x86_ops.run().
*/
- if (vcpu->arch.guest_fpu)
- /* PKRU is separately restored in kvm_x86_ops.run. */
- __restore_fpregs_from_fpstate(&vcpu->arch.guest_fpu->state,
- ~XFEATURE_MASK_PKRU);
-
- fpregs_mark_activate();
- fpregs_unlock();
-
+ fpu_swap_kvm_fpstate(&vcpu->arch.guest_fpu, true);
trace_kvm_fpu(1);
}
/* When vcpu_run ends, restore user space FPU context. */
static void kvm_put_guest_fpu(struct kvm_vcpu *vcpu)
{
- fpregs_lock();
-
- /*
- * Guests with protected state can't have it read by the hypervisor,
- * so skip trying to save it.
- */
- if (vcpu->arch.guest_fpu)
- kvm_save_current_fpu(vcpu->arch.guest_fpu);
-
- restore_fpregs_from_fpstate(&vcpu->arch.user_fpu->state);
-
- fpregs_mark_activate();
- fpregs_unlock();
-
+ fpu_swap_kvm_fpstate(&vcpu->arch.guest_fpu, false);
++vcpu->stat.fpu_reload;
trace_kvm_fpu(0);
}
{
struct fxregs_state *fxsave;
- if (!vcpu->arch.guest_fpu)
+ if (fpstate_is_confidential(&vcpu->arch.guest_fpu))
return 0;
vcpu_load(vcpu);
- fxsave = &vcpu->arch.guest_fpu->state.fxsave;
+ fxsave = &vcpu->arch.guest_fpu.fpstate->regs.fxsave;
memcpy(fpu->fpr, fxsave->st_space, 128);
fpu->fcw = fxsave->cwd;
fpu->fsw = fxsave->swd;
{
struct fxregs_state *fxsave;
- if (!vcpu->arch.guest_fpu)
+ if (fpstate_is_confidential(&vcpu->arch.guest_fpu))
return 0;
vcpu_load(vcpu);
- fxsave = &vcpu->arch.guest_fpu->state.fxsave;
+ fxsave = &vcpu->arch.guest_fpu.fpstate->regs.fxsave;
memcpy(fxsave->st_space, fpu->fpr, 128);
fxsave->cwd = fpu->fcw;
return 0;
}
-void kvm_free_guest_fpu(struct kvm_vcpu *vcpu)
-{
- if (vcpu->arch.guest_fpu) {
- kmem_cache_free(x86_fpu_cache, vcpu->arch.guest_fpu);
- vcpu->arch.guest_fpu = NULL;
- }
-}
-EXPORT_SYMBOL_GPL(kvm_free_guest_fpu);
-
int kvm_arch_vcpu_precreate(struct kvm *kvm, unsigned int id)
{
if (kvm_check_tsc_unstable() && atomic_read(&kvm->online_vcpus) != 0)
if (!alloc_emulate_ctxt(vcpu))
goto free_wbinvd_dirty_mask;
- vcpu->arch.user_fpu = kmem_cache_zalloc(x86_fpu_cache,
- GFP_KERNEL_ACCOUNT);
- if (!vcpu->arch.user_fpu) {
- pr_err("kvm: failed to allocate userspace's fpu\n");
- goto free_emulate_ctxt;
- }
-
- vcpu->arch.guest_fpu = kmem_cache_zalloc(x86_fpu_cache,
- GFP_KERNEL_ACCOUNT);
- if (!vcpu->arch.guest_fpu) {
+ if (!fpu_alloc_guest_fpstate(&vcpu->arch.guest_fpu)) {
pr_err("kvm: failed to allocate vcpu's fpu\n");
- goto free_user_fpu;
+ goto free_emulate_ctxt;
}
- fpstate_init(&vcpu->arch.guest_fpu->state);
- if (boot_cpu_has(X86_FEATURE_XSAVES))
- vcpu->arch.guest_fpu->state.xsave.header.xcomp_bv =
- host_xcr0 | XSTATE_COMPACTION_ENABLED;
vcpu->arch.maxphyaddr = cpuid_query_maxphyaddr(vcpu);
vcpu->arch.reserved_gpa_bits = kvm_vcpu_reserved_gpa_bits_raw(vcpu);
return 0;
free_guest_fpu:
- kvm_free_guest_fpu(vcpu);
-free_user_fpu:
- kmem_cache_free(x86_fpu_cache, vcpu->arch.user_fpu);
+ fpu_free_guest_fpstate(&vcpu->arch.guest_fpu);
free_emulate_ctxt:
kmem_cache_free(x86_emulator_cache, vcpu->arch.emulate_ctxt);
free_wbinvd_dirty_mask:
kmem_cache_free(x86_emulator_cache, vcpu->arch.emulate_ctxt);
free_cpumask_var(vcpu->arch.wbinvd_dirty_mask);
- kmem_cache_free(x86_fpu_cache, vcpu->arch.user_fpu);
- kvm_free_guest_fpu(vcpu);
+ fpu_free_guest_fpstate(&vcpu->arch.guest_fpu);
kvm_hv_vcpu_uninit(vcpu);
kvm_pmu_destroy(vcpu);
kvm_async_pf_hash_reset(vcpu);
vcpu->arch.apf.halted = false;
- if (vcpu->arch.guest_fpu && kvm_mpx_supported()) {
- void *mpx_state_buffer;
+ if (vcpu->arch.guest_fpu.fpstate && kvm_mpx_supported()) {
+ struct fpstate *fpstate = vcpu->arch.guest_fpu.fpstate;
/*
* To avoid have the INIT path from kvm_apic_has_events() that be
*/
if (init_event)
kvm_put_guest_fpu(vcpu);
- mpx_state_buffer = get_xsave_addr(&vcpu->arch.guest_fpu->state.xsave,
- XFEATURE_BNDREGS);
- if (mpx_state_buffer)
- memset(mpx_state_buffer, 0, sizeof(struct mpx_bndreg_state));
- mpx_state_buffer = get_xsave_addr(&vcpu->arch.guest_fpu->state.xsave,
- XFEATURE_BNDCSR);
- if (mpx_state_buffer)
- memset(mpx_state_buffer, 0, sizeof(struct mpx_bndcsr));
+
+ fpstate_clear_xstate_component(fpstate, XFEATURE_BNDREGS);
+ fpstate_clear_xstate_component(fpstate, XFEATURE_BNDCSR);
+
if (init_event)
kvm_load_guest_fpu(vcpu);
}
}
EXPORT_SYMBOL_GPL(kvm_sev_es_mmio_read);
-static int complete_sev_es_emulated_ins(struct kvm_vcpu *vcpu)
+static int kvm_sev_es_outs(struct kvm_vcpu *vcpu, unsigned int size,
+ unsigned int port);
+
+static int complete_sev_es_emulated_outs(struct kvm_vcpu *vcpu)
{
- memcpy(vcpu->arch.guest_ins_data, vcpu->arch.pio_data,
- vcpu->arch.pio.count * vcpu->arch.pio.size);
- vcpu->arch.pio.count = 0;
+ int size = vcpu->arch.pio.size;
+ int port = vcpu->arch.pio.port;
+ vcpu->arch.pio.count = 0;
+ if (vcpu->arch.sev_pio_count)
+ return kvm_sev_es_outs(vcpu, size, port);
return 1;
}
static int kvm_sev_es_outs(struct kvm_vcpu *vcpu, unsigned int size,
- unsigned int port, void *data, unsigned int count)
+ unsigned int port)
{
- int ret;
-
- ret = emulator_pio_out_emulated(vcpu->arch.emulate_ctxt, size, port,
- data, count);
- if (ret)
- return ret;
+ for (;;) {
+ unsigned int count =
+ min_t(unsigned int, PAGE_SIZE / size, vcpu->arch.sev_pio_count);
+ int ret = emulator_pio_out(vcpu, size, port, vcpu->arch.sev_pio_data, count);
+
+ /* memcpy done already by emulator_pio_out. */
+ vcpu->arch.sev_pio_count -= count;
+ vcpu->arch.sev_pio_data += count * vcpu->arch.pio.size;
+ if (!ret)
+ break;
- vcpu->arch.pio.count = 0;
+ /* Emulation done by the kernel. */
+ if (!vcpu->arch.sev_pio_count)
+ return 1;
+ }
+ vcpu->arch.complete_userspace_io = complete_sev_es_emulated_outs;
return 0;
}
static int kvm_sev_es_ins(struct kvm_vcpu *vcpu, unsigned int size,
- unsigned int port, void *data, unsigned int count)
+ unsigned int port);
+
+static void advance_sev_es_emulated_ins(struct kvm_vcpu *vcpu)
{
- int ret;
+ unsigned count = vcpu->arch.pio.count;
+ complete_emulator_pio_in(vcpu, vcpu->arch.sev_pio_data);
+ vcpu->arch.sev_pio_count -= count;
+ vcpu->arch.sev_pio_data += count * vcpu->arch.pio.size;
+}
- ret = emulator_pio_in_emulated(vcpu->arch.emulate_ctxt, size, port,
- data, count);
- if (ret) {
- vcpu->arch.pio.count = 0;
- } else {
- vcpu->arch.guest_ins_data = data;
- vcpu->arch.complete_userspace_io = complete_sev_es_emulated_ins;
+static int complete_sev_es_emulated_ins(struct kvm_vcpu *vcpu)
+{
+ int size = vcpu->arch.pio.size;
+ int port = vcpu->arch.pio.port;
+
+ advance_sev_es_emulated_ins(vcpu);
+ if (vcpu->arch.sev_pio_count)
+ return kvm_sev_es_ins(vcpu, size, port);
+ return 1;
+}
+
+static int kvm_sev_es_ins(struct kvm_vcpu *vcpu, unsigned int size,
+ unsigned int port)
+{
+ for (;;) {
+ unsigned int count =
+ min_t(unsigned int, PAGE_SIZE / size, vcpu->arch.sev_pio_count);
+ if (!__emulator_pio_in(vcpu, size, port, count))
+ break;
+
+ /* Emulation done by the kernel. */
+ advance_sev_es_emulated_ins(vcpu);
+ if (!vcpu->arch.sev_pio_count)
+ return 1;
}
+ vcpu->arch.complete_userspace_io = complete_sev_es_emulated_ins;
return 0;
}
unsigned int port, void *data, unsigned int count,
int in)
{
- return in ? kvm_sev_es_ins(vcpu, size, port, data, count)
- : kvm_sev_es_outs(vcpu, size, port, data, count);
+ vcpu->arch.sev_pio_data = data;
+ vcpu->arch.sev_pio_count = count;
+ return in ? kvm_sev_es_ins(vcpu, size, port)
+ : kvm_sev_es_outs(vcpu, size, port);
}
EXPORT_SYMBOL_GPL(kvm_sev_es_string_io);
projects / platform / kernel / linux-starfive.git / blobdiff