1 files changed, 51 insertions, 0 deletions

diff --git a/include/linux/pm_qos_params.h b/include/linux/pm_qos_params.h
new file mode 100644
index 00000000000..5a536cbb25b
--- /dev/null
+++ b/include/linux/pm_qos_params.h
@@ -0,0 +1,51 @@
+#ifndef _LINUX_PM_QOS_PARAMS_H
+#define _LINUX_PM_QOS_PARAMS_H
+/* interface for the pm_qos_power infrastructure of the linux kernel.
+ *
+ * Mark Gross <mgross@linux.intel.com>
+ */
+#include <linux/plist.h>
+#include <linux/notifier.h>
+#include <linux/miscdevice.h>
+
+enum {
+        PM_QOS_RESERVED = 0,
+        PM_QOS_CPU_DMA_LATENCY,
+        PM_QOS_NETWORK_LATENCY,
+        PM_QOS_NETWORK_THROUGHPUT,
+        PM_QOS_MIN_ONLINE_CPUS,
+        PM_QOS_MAX_ONLINE_CPUS,
+        PM_QOS_CPU_FREQ_MIN,
+        PM_QOS_CPU_FREQ_MAX,
+
+        /* insert new class ID */
+
+        PM_QOS_NUM_CLASSES,
+};
+
+#define PM_QOS_DEFAULT_VALUE -1
+
+#define PM_QOS_CPU_DMA_LAT_DEFAULT_VALUE        (2000 * USEC_PER_SEC)
+#define PM_QOS_NETWORK_LAT_DEFAULT_VALUE        (2000 * USEC_PER_SEC)
+#define PM_QOS_NETWORK_THROUGHPUT_DEFAULT_VALUE 0
+#define PM_QOS_MIN_ONLINE_CPUS_DEFAULT_VALUE    1
+#define PM_QOS_MAX_ONLINE_CPUS_DEFAULT_VALUE    LONG_MAX
+#define PM_QOS_CPU_FREQ_MIN_DEFAULT_VALUE       0
+#define PM_QOS_CPU_FREQ_MAX_DEFAULT_VALUE       LONG_MAX
+
+struct pm_qos_request_list {
+        struct plist_node list;
+        int pm_qos_class;
+};
+
+void pm_qos_add_request(struct pm_qos_request_list *l, int pm_qos_class, s32 value);
+void pm_qos_update_request(struct pm_qos_request_list *pm_qos_req,
+                s32 new_value);
+void pm_qos_remove_request(struct pm_qos_request_list *pm_qos_req);
+
+int pm_qos_request(int pm_qos_class);
+int pm_qos_add_notifier(int pm_qos_class, struct notifier_block *notifier);
+int pm_qos_remove_notifier(int pm_qos_class, struct notifier_block *notifier);
+int pm_qos_request_active(struct pm_qos_request_list *req);
+
+#endif