arm64/kvm/guest.c

71 static u64 core_reg_offset_from_id(u64 id)
73 	return id & ~(KVM_REG_ARCH_MASK | KVM_REG_SIZE_MASK | KVM_REG_ARM_CORE);
123 	u64 off = core_reg_offset_from_id(reg->id);
129 	if (KVM_REG_SIZE(reg->id) != size)
200 	off = core_reg_offset_from_id(reg->id);
202 	    (off + (KVM_REG_SIZE(reg->id) / sizeof(__u32))) >= nr_regs)
209 	if (copy_to_user(uaddr, addr, KVM_REG_SIZE(reg->id)))
225 	off = core_reg_offset_from_id(reg->id);
227 	    (off + (KVM_REG_SIZE(reg->id) / sizeof(__u32))) >= nr_regs)
234 	if (KVM_REG_SIZE(reg->id) > sizeof(tmp))
237 	if (copy_from_user(valp, uaddr, KVM_REG_SIZE(reg->id))) {
274 	memcpy(addr, valp, KVM_REG_SIZE(reg->id));
447 	reg_num = (reg->id & SVE_REG_ID_MASK) >> SVE_REG_ID_SHIFT;
449 	if (reg->id >= zreg_id_min && reg->id <= zreg_id_max) {
450 		if (!vcpu_has_sve(vcpu) || (reg->id & SVE_REG_SLICE_MASK) > 0)
459 	} else if (reg->id >= preg_id_min && reg->id <= preg_id_max) {
460 		if (!vcpu_has_sve(vcpu) || (reg->id & SVE_REG_SLICE_MASK) > 0)
491 	if (reg->id == KVM_REG_ARM64_SVE_VLS)
517 	if (reg->id == KVM_REG_ARM64_SVE_VLS)
635 	ret = copy_from_user(&val, uaddr, KVM_REG_SIZE(reg->id));
639 	return kvm_arm_timer_set_reg(vcpu, reg->id, val);
647 	val = kvm_arm_timer_get_reg(vcpu, reg->id);
648 	return copy_to_user(uaddr, &val, KVM_REG_SIZE(reg->id)) ? -EFAULT : 0;
768 	if ((reg->id & ~KVM_REG_SIZE_MASK) >> 32 != KVM_REG_ARM64 >> 32)
771 	switch (reg->id & KVM_REG_ARM_COPROC_MASK) {
779 	if (is_timer_reg(reg->id))
788 	if ((reg->id & ~KVM_REG_SIZE_MASK) >> 32 != KVM_REG_ARM64 >> 32)
791 	switch (reg->id & KVM_REG_ARM_COPROC_MASK) {
799 	if (is_timer_reg(reg->id))