amd/amdgpu/amdgpu_psp_ta.c

150 	int      ret        = 0;
159 	ret = copy_from_user((void *)&ta_type, &buf[copy_pos], sizeof(uint32_t));
160 	if (ret || (!is_ta_type_valid(ta_type)))
165 	ret = copy_from_user((void *)&ta_bin_len, &buf[copy_pos], sizeof(uint32_t));
166 	if (ret)
175 		ret = -EFAULT;
184 		ret = -EOPNOTSUPP;
193 		ret = psp_ta_init_shared_buf(psp, &context->mem_context);
194 		if (ret) {
195 			ret = -ENOMEM;
200 	ret = psp_fn_ta_terminate(psp);
201 	if (ret || context->resp_status) {
204 			ret, context->resp_status);
205 		if (!ret)
206 			ret = -EINVAL;
218 		ret = -EOPNOTSUPP;
222 	ret = psp_fn_ta_initialize(psp);
223 	if (ret || context->resp_status) {
225 			ret, context->resp_status);
226 		if (!ret)
227 			ret = -EINVAL;
232 		ret = -EFAULT;
236 	if (ret && context->mem_context.shared_buf)
241 	return ret;
249 	int      ret        = 0;
258 	ret = copy_from_user((void *)&ta_type, &buf[copy_pos], sizeof(uint32_t));
259 	if (ret || (!is_ta_type_valid(ta_type)))
264 	ret = copy_from_user((void *)&ta_id, &buf[copy_pos], sizeof(uint32_t));
265 	if (ret)
276 	ret = psp_fn_ta_terminate(psp);
277 	if (ret || context->resp_status) {
279 			ret, context->resp_status);
280 		if (!ret)
281 			ret = -EINVAL;
287 	return ret;
298 	int      ret            = 0;
307 	ret = copy_from_user((void *)&ta_type, &buf[copy_pos], sizeof(uint32_t));
308 	if (ret)
312 	ret = copy_from_user((void *)&ta_id, &buf[copy_pos], sizeof(uint32_t));
313 	if (ret)
317 	ret = copy_from_user((void *)&cmd_id, &buf[copy_pos], sizeof(uint32_t));
318 	if (ret)
322 	ret = copy_from_user((void *)&shared_buf_len, &buf[copy_pos], sizeof(uint32_t));
323 	if (ret)
331 		ret = -EFAULT;
339 		ret = -EINVAL;
345 		ret = -EOPNOTSUPP;
351 	ret = prep_ta_mem_context(&context->mem_context, shared_buf, shared_buf_len);
352 	if (ret)
355 	ret = psp_fn_ta_invoke(psp, cmd_id);
356 	if (ret || context->resp_status) {
358 			ret, context->resp_status);
359 		if (!ret) {
360 			ret = -EINVAL;
366 		ret = -EFAULT;
371 	return ret;