static int __secure_tz_update_entry3(unsigned int *scm_data, u32 size_scm_data,
					int *val, u32 size_val, bool is_64)
{
	int ret;
	/* sync memory before sending the commands to tz*/
	__iowmb();

	if (!is_64) {
		spin_lock(&tz_lock);
		ret = scm_call_atomic3(SCM_SVC_IO, TZ_UPDATE_ID,
					scm_data[0], scm_data[1], scm_data[2]);
		spin_unlock(&tz_lock);
		*val = ret;
	} else {
		if (is_scm_armv8()) {
			struct scm_desc desc = {0};
			desc.args[0] = scm_data[0];
			desc.args[1] = scm_data[1];
			desc.args[2] = scm_data[2];
			desc.arginfo = SCM_ARGS(3);
			ret = scm_call2(SCM_SIP_FNID(SCM_SVC_DCVS,
					TZ_V2_UPDATE_ID_64), &desc);
			*val = desc.ret[0];
		} else {
			ret = scm_call(SCM_SVC_DCVS, TZ_UPDATE_ID_64, scm_data,
				size_scm_data, val, size_val);
		}
	}
	return ret;
}
static int __secure_tz_entry3(u32 cmd, u32 val1, u32 val2, u32 val3)
{
	int ret;
	spin_lock(&tz_lock);
	/* sync memory before sending the commands to tz*/
	__iowmb();
	ret = scm_call_atomic3(SCM_SVC_IO, cmd, val1, val2, val3);
	spin_unlock(&tz_lock);
	return ret;
}
static int __secure_tz_entry3(u32 cmd, u32 val1, u32 val2, u32 val3)
{
	int ret;
	spin_lock(&tz_lock);
	
	__iowmb();
	ret = scm_call_atomic3(SCM_SVC_IO, cmd, val1, val2, val3);
	spin_unlock(&tz_lock);
	return ret;
}
Exemplo n.º 4
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static int __secure_tz_update_entry3(unsigned int *scm_data, u32 size_scm_data,
					int *val, u32 size_val, bool is_64)
{
	int ret;
	/* sync memory before sending the commands to tz*/
	__iowmb();
	if (!is_64) {
		spin_lock(&tz_lock);
		ret = scm_call_atomic3(SCM_SVC_IO, TZ_UPDATE_ID,
					scm_data[0], scm_data[1], scm_data[2]);
		spin_unlock(&tz_lock);
		*val = ret;
	} else {
		ret = scm_call(SCM_SVC_DCVS, TZ_UPDATE_ID_64, scm_data,
				size_scm_data, val, size_val);
	}
	return ret;
}