1 files changed, 81 insertions, 0 deletions
diff --git a/drivers/gpu/arm/midgard/mali_kbase_js_policy_cfs.h b/drivers/gpu/arm/midgard/mali_kbase_js_policy_cfs.h
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index 000000000000..b457d8215abe
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+++ b/drivers/gpu/arm/midgard/mali_kbase_js_policy_cfs.h
@@ -0,0 +1,81 @@
+/*
+ *
+ * (C) COPYRIGHT 2011-2015 ARM Limited. All rights reserved.
+ *
+ * This program is free software and is provided to you under the terms of the
+ * GNU General Public License version 2 as published by the Free Software
+ * Foundation, and any use by you of this program is subject to the terms
+ * of such GNU licence.
+ *
+ * A copy of the licence is included with the program, and can also be obtained
+ * from Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA  02110-1301, USA.
+ *
+ */
+
+
+
+
+
+/*
+ * Completely Fair Job Scheduler Policy structure definitions
+ */
+
+#ifndef _KBASE_JS_POLICY_CFS_H_
+#define _KBASE_JS_POLICY_CFS_H_
+
+#define KBASEP_JS_RUNTIME_EMPTY ((u64)-1)
+
+/**
+ * struct kbasep_js_policy_cfs - Data for the CFS policy
+ * @head_runtime_us:  Number of microseconds the least-run context has been
+ *                    running for. The kbasep_js_device_data.queue_mutex must
+ *                    be held whilst updating this.
+ *                    Reads are possible without this mutex, but an older value
+ *                    might be read if no memory barries are issued beforehand.
+ * @least_runtime_us: Number of microseconds the least-run context in the
+ *                    context queue has been running for.
+ *                    -1 if context queue is empty.
+ * @rt_least_runtime_us: Number of microseconds the least-run context in the
+ *                       realtime (priority) context queue has been running for.
+ *                       -1 if realtime context queue is empty
+ */
+struct kbasep_js_policy_cfs {
+	u64 head_runtime_us;
+	atomic64_t least_runtime_us;
+	atomic64_t rt_least_runtime_us;
+};
+
+/**
+ * struct kbasep_js_policy_cfs_ctx - a single linked list of all contexts
+ * @runtime_us:        microseconds this context has been running for
+ * @process_rt_policy: set if calling process policy scheme is a realtime
+ *                     scheduler and will use the priority queue. Non-mutable
+ *                     after ctx init
+ * @process_priority:  calling process NICE priority, in the range -20..19
+ *
+ * &kbasep_js_device_data.runpool_irq.lock must be held when updating
+ * @runtime_us. Initializing will occur on context init and context enqueue
+ * (which can only occur in one thread at a time), but multi-thread access only
+ * occurs while the context is in the runpool.
+ *
+ * Reads are possible without the spinlock, but an older value might be read if
+ * no memory barries are issued beforehand.
+ */
+struct kbasep_js_policy_cfs_ctx {
+	u64 runtime_us;
+	bool process_rt_policy;
+	int process_priority;
+};
+
+/**
+ * struct kbasep_js_policy_cfs_job - per job information for CFS
+ * @ticks: number of ticks that this job has been executing for
+ *
+ * &kbasep_js_device_data.runpool_irq.lock must be held when accessing @ticks.
+ */
+struct kbasep_js_policy_cfs_job {
+	u32 ticks;
+};
+
+#endif