platforms/pseries/vas-sysfs.c

1 // SPDX-License-Identifier: GPL-2.0-or-later
3  * Copyright 2022-23 IBM Corp.
44 	 * on the credits available) instead of depending on VAS  in update_total_credits_store()
48 		err = vas_reconfig_capabilties(caps->win_type, creds);  in update_total_credits_store()
51 		return -EINVAL;  in update_total_credits_store()
61 	return sprintf(buf, "%d\n", atomic_read(&caps->_name));	\
81  *	Total number of default credits assigned to the LPAR which
84  *	Number of credits used by the user space. One credit will
89  *	for the Quality of Service (QoS) credit type.
91  *	Total number of QoS credits assigned to the LPAR. The user
95  *	Number of credits used by the user space.
129 	caps = centry->caps;  in vas_type_show()
132 	if (!entry->show)  in vas_type_show()
133 		return -EIO;  in vas_type_show()
135 	return entry->show(caps, buf);  in vas_type_show()
146 	caps = centry->caps;  in vas_type_store()
148 	if (!entry->store)  in vas_type_store()
149 		return -EIO;  in vas_type_store()
151 	return entry->store(caps, buf, count);  in vas_type_store()
180 	struct vas_cop_feat_caps *caps = centry->caps;  in vas_caps_kobj_name()
182 	if (caps->descriptor == VAS_GZIP_QOS_CAPABILITIES) {  in vas_caps_kobj_name()
183 		kobject_init(&centry->kobj, &vas_qos_attr_type);  in vas_caps_kobj_name()
186 	} else if (caps->descriptor == VAS_GZIP_DEFAULT_CAPABILITIES) {  in vas_caps_kobj_name()
187 		kobject_init(&centry->kobj, &vas_def_attr_type);  in vas_caps_kobj_name()
207 		return -ENOMEM;  in sysfs_add_vas_caps()
209 	centry->caps = caps;  in sysfs_add_vas_caps()
213 		ret = kobject_add(&centry->kobj, kobj, "%s", name);  in sysfs_add_vas_caps()
218 			kobject_put(&centry->kobj);  in sysfs_add_vas_caps()
249 					&vas_miscdev.this_device->kobj);  in sysfs_pseries_vas_init()
253 		return -ENOMEM;  in sysfs_pseries_vas_init()
256 	if ((vas_caps->feat_type & VAS_GZIP_QOS_FEAT_BIT) ||  in sysfs_pseries_vas_init()
257 		(vas_caps->feat_type & VAS_GZIP_DEF_FEAT_BIT)) {  in sysfs_pseries_vas_init()
264 			return -ENOMEM;  in sysfs_pseries_vas_init()