tkaratapanis commented on code in PR #16734:
URL: https://github.com/apache/nuttx/pull/16734#discussion_r2219191728
##########
drivers/misc/optee.c:
##########
@@ -1088,6 +1034,130 @@ optee_ioctl_shm_register(FAR struct optee_priv_data
*priv,
return ret;
}
+#ifdef CONFIG_DEV_OPTEE_SUPPLICANT
+static
+int optee_ioctl_supplicant_recv(FAR struct optee_priv_data *priv,
+ FAR struct tee_ioctl_buf_data *data)
+{
+ int ret;
+ FAR struct tee_iocl_supp_recv_arg *arg;
+
+ if (!optee_is_valid_range(data, sizeof(*data)))
+ {
+ return -EFAULT;
+ }
+
+ if (!optee_is_valid_range((void *)data->buf_ptr, data->buf_len))
+ {
+ return -EFAULT;
+ }
+
+ if (data->buf_len > TEE_MAX_ARG_SIZE ||
+ data->buf_len < sizeof(struct tee_iocl_supp_recv_arg))
+ {
+ return -EINVAL;
+ }
+
+ arg = (FAR struct tee_iocl_supp_recv_arg *)(uintptr_t)data->buf_ptr;
+
+ if (sizeof(*arg) + TEE_IOCTL_PARAM_SIZE(arg->num_params) !=
+ data->buf_len)
+ {
+ return -EINVAL;
+ }
+
+ if (arg->num_params > OPTEE_MAX_PARAM_NUM)
+ {
+ return -EINVAL;
+ }
+
+ ret = optee_supplicant_recv(&arg->func, &arg->num_params, arg->params);
+
+ if (ret)
+ {
+ goto out;
+ }
+
+ for (int n = 0; n < arg->num_params; n++)
+ {
+ FAR struct tee_ioctl_param *p = arg->params + n;
+
+ switch (p->attr & TEE_IOCTL_PARAM_ATTR_TYPE_MASK)
+ {
+ case TEE_IOCTL_PARAM_ATTR_TYPE_VALUE_INPUT:
+ case TEE_IOCTL_PARAM_ATTR_TYPE_VALUE_INOUT:
+ break;
+ case TEE_IOCTL_PARAM_ATTR_TYPE_MEMREF_INPUT:
+ case TEE_IOCTL_PARAM_ATTR_TYPE_MEMREF_OUTPUT:
+ case TEE_IOCTL_PARAM_ATTR_TYPE_MEMREF_INOUT:
+ if (!p->b)
+ {
+ p->a = 0;
+ p->c = (uint64_t)-1; /* invalid shm id */
+ break;
+ }
+ break;
+ default:
+ break;
+ }
+ }
+
+out:
+ return ret;
+}
+
+static
+int optee_ioctl_supplicant_send(FAR struct optee_priv_data *priv,
Review Comment:
done
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