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authorPeter De Schrijver <pdeschrijver@nvidia.com>2012-03-30 11:38:47 +0300
committerSimone Willett <swillett@nvidia.com>2012-06-06 17:54:03 -0700
commitf425d20cc9c016bcb51312dc8736d23ade618ae2 (patch)
tree54cf7b0c02b0e48e6d9e992d5f48d0056d9491aa /include/linux
parent74967158299fde062d89d83158dc07ce1e71bfcc (diff)
cpuquiet: public interfaces for cpuquiet
Change-Id: Ie391d6d11fad7b76b0bf5daff67ac46663651dc0 Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com> Reviewed-on: http://git-master/r/105265 Reviewed-by: Automatic_Commit_Validation_User GVS: Gerrit_Virtual_Submit Reviewed-by: Sai Gurrappadi <sgurrappadi@nvidia.com> Tested-by: Sai Gurrappadi <sgurrappadi@nvidia.com> Reviewed-by: Diwakar Tundlam <dtundlam@nvidia.com>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/cpuquiet.h53
1 files changed, 53 insertions, 0 deletions
diff --git a/include/linux/cpuquiet.h b/include/linux/cpuquiet.h
new file mode 100644
index 000000000000..8459af7aad74
--- /dev/null
+++ b/include/linux/cpuquiet.h
@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2012 NVIDIA CORPORATION. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#ifndef _LINUX_CPUONLINE_H
+#define _LINUX_CPUONLINE_H
+
+#include <linux/sysfs.h>
+#include <linux/kobject.h>
+
+#define CPUQUIET_NAME_LEN 16
+
+struct cpuquiet_governor {
+ char name[CPUQUIET_NAME_LEN];
+ struct list_head governor_list;
+ int (*start) (void);
+ void (*stop) (void);
+ int (*store_active) (unsigned int cpu, bool active);
+ struct module *owner;
+};
+
+struct cpuquiet_driver {
+ char name[CPUQUIET_NAME_LEN];
+ int (*quiesence_cpu) (unsigned int cpunumber);
+ int (*wake_cpu) (unsigned int cpunumber);
+};
+
+extern int cpuquiet_register_governor(struct cpuquiet_governor *gov);
+extern void cpuquiet_unregister_governor(struct cpuquiet_governor *gov);
+extern int cpuquiet_quiesence_cpu(unsigned int cpunumber);
+extern int cpuquiet_wake_cpu(unsigned int cpunumber);
+extern int cpuquiet_register_driver(struct cpuquiet_driver *drv);
+extern void cpuquiet_unregister_driver(struct cpuquiet_driver *drv);
+extern int cpuquiet_add_group(struct attribute_group *attrs);
+extern void cpuquiet_remove_group(struct attribute_group *attrs);
+int cpuquiet_kobject_init(struct kobject *kobj, struct kobj_type *type,
+ char *name);
+extern unsigned int nr_cluster_ids;
+#endif