1 // SPDX-License-Identifier: GPL-2.0
3  * Functions corresponding to integer type attributes under
4  * BIOS Enumeration GUID for use with hp-bioscfg driver.
6  * Copyright (c) 2022 Hewlett-Packard Inc.
11 GET_INSTANCE_ID(integer);
18 		return -EIO;  in current_value_show()
20 	return sysfs_emit(buf, "%d\n",  in current_value_show()
25  * validate_integer_input() -
38 	if (integer_data->common.is_readonly)  in validate_integer_input()
39 		return -EIO;  in validate_integer_input()
45 	if (in_val < integer_data->lower_bound ||  in validate_integer_input()
46 	    in_val > integer_data->upper_bound)  in validate_integer_input()
47 		return -ERANGE;  in validate_integer_input()
60 		integer_data->current_value = in_val;  in update_integer_value()
62 		pr_warn("Invalid integer value found: %s\n", attr_value);  in update_integer_value()
65 ATTRIBUTE_S_COMMON_PROPERTY_SHOW(display_name, integer);
69 ATTRIBUTE_PROPERTY_STORE(current_value, integer);
73 ATTRIBUTE_N_PROPERTY_SHOW(lower_bound, integer);
77 ATTRIBUTE_N_PROPERTY_SHOW(upper_bound, integer);
81 ATTRIBUTE_N_PROPERTY_SHOW(scalar_increment, integer);
88 	return sysfs_emit(buf, "integer\n");  in type_show()
117 		return -ENOMEM;  in hp_alloc_integer_data()
154 		return -EINVAL;  in hp_populate_integer_elements_from_package()
172 			int_value = (u32)integer_obj[elem].integer.value;  in hp_populate_integer_elements_from_package()
175 			pr_warn("Unsupported object type [%d]\n", integer_obj[elem].type);  in hp_populate_integer_elements_from_package()
180 			pr_err("Error expected type %d for elem %d, but got type %d instead\n",  in hp_populate_integer_elements_from_package()
183 			return -EIO;  in hp_populate_integer_elements_from_package()
192 			integer_data->current_value = int_value;  in hp_populate_integer_elements_from_package()
195 			strscpy(integer_data->common.path, str_value,  in hp_populate_integer_elements_from_package()
196 				sizeof(integer_data->common.path));  in hp_populate_integer_elements_from_package()
199 			integer_data->common.is_readonly = int_value;  in hp_populate_integer_elements_from_package()
202 			integer_data->common.display_in_ui = int_value;  in hp_populate_integer_elements_from_package()
205 			integer_data->common.requires_physical_presence = int_value;  in hp_populate_integer_elements_from_package()
208 			integer_data->common.sequence = int_value;  in hp_populate_integer_elements_from_package()
212 …quisites size value exceeded the maximum number of elements supported or data may be malformed\n");  in hp_populate_integer_elements_from_package()
215 			integer_data->common.prerequisites_size = int_value;  in hp_populate_integer_elements_from_package()
224 			if (integer_data->common.prerequisites_size == 0)  in hp_populate_integer_elements_from_package()
228 			size = min_t(u32, integer_data->common.prerequisites_size, MAX_PREREQUISITES_SIZE);  in hp_populate_integer_elements_from_package()
232 					pr_err("Error elem-objects package is too small\n");  in hp_populate_integer_elements_from_package()
233 					return -EINVAL;  in hp_populate_integer_elements_from_package()
243 				strscpy(integer_data->common.prerequisites[reqs],  in hp_populate_integer_elements_from_package()
245 					sizeof(integer_data->common.prerequisites[reqs]));  in hp_populate_integer_elements_from_package()
252 			integer_data->common.security_level = int_value;  in hp_populate_integer_elements_from_package()
255 			integer_data->lower_bound = int_value;  in hp_populate_integer_elements_from_package()
258 			integer_data->upper_bound = int_value;  in hp_populate_integer_elements_from_package()
261 			integer_data->scalar_increment = int_value;  in hp_populate_integer_elements_from_package()
264 			pr_warn("Invalid element: %d found in Integer attribute or data may be malformed\n", elem);  in hp_populate_integer_elements_from_package()
277  * hp_populate_integer_package_data() -
278  * Populate all properties of an instance under integer attribute
280  * @integer_obj: ACPI object with integer data
290 	integer_data->attr_name_kobj = attr_name_kobj;  in hp_populate_integer_package_data()
292 						  integer_obj->package.count,  in hp_populate_integer_package_data()
294 	hp_update_attribute_permissions(integer_data->common.is_readonly,  in hp_populate_integer_package_data()
296 	hp_friendly_user_name_update(integer_data->common.path,  in hp_populate_integer_package_data()
297 				     attr_name_kobj->name,  in hp_populate_integer_package_data()
298 				     integer_data->common.display_name,  in hp_populate_integer_package_data()
299 				     sizeof(integer_data->common.display_name));  in hp_populate_integer_package_data()
313 		return -ENOMEM;  in hp_populate_integer_elements_from_buffer()
331 	integer_data->current_value = 0;  in hp_populate_integer_elements_from_buffer()
334 	ret = kstrtoint(dst, 10, &integer_data->current_value);  in hp_populate_integer_elements_from_buffer()
336 		pr_warn("Unable to convert string to integer: %s\n", dst);  in hp_populate_integer_elements_from_buffer()
340 	ret = hp_get_common_data_from_buffer(&buffer_ptr, buffer_size, &integer_data->common);  in hp_populate_integer_elements_from_buffer()
346 					 &integer_data->lower_bound);  in hp_populate_integer_elements_from_buffer()
352 					 &integer_data->upper_bound);  in hp_populate_integer_elements_from_buffer()
358 					 &integer_data->scalar_increment);  in hp_populate_integer_elements_from_buffer()
365  * hp_populate_integer_buffer_data() -
366  * Populate all properties of an instance under integer attribute
379 	integer_data->attr_name_kobj = attr_name_kobj;  in hp_populate_integer_buffer_data()
381 	/* Populate integer elements */  in hp_populate_integer_buffer_data()
387 	hp_update_attribute_permissions(integer_data->common.is_readonly,  in hp_populate_integer_buffer_data()
389 	hp_friendly_user_name_update(integer_data->common.path,  in hp_populate_integer_buffer_data()
390 				     attr_name_kobj->name,  in hp_populate_integer_buffer_data()
391 				     integer_data->common.display_name,  in hp_populate_integer_buffer_data()
392 				     sizeof(integer_data->common.display_name));  in hp_populate_integer_buffer_data()
398  * hp_exit_integer_attributes() - Clear all attribute data