From c8ffe0fdecfa110a9f9beb1b7e0298d3c3c64cc2 Mon Sep 17 00:00:00 2001 From: Thomas Fleury Date: Tue, 10 May 2016 09:05:45 -0700 Subject: gpu: nvgpu: add sched control API Added a dedicated device node to allow an app manager to control TSG scheduling parameters: - Get list of TSGs - Get list of recent TSGs - Get list of TSGs per pid - Get TSG current scheduling parameters - Set TSG timeslice - Set TSG runlist interleave Jira VFND-1586 Change-Id: I014c9d1534bce0eaea6c25ad114cf0cff317af79 Signed-off-by: Thomas Fleury Reviewed-on: http://git-master/r/1160384 (cherry picked from commit 75ca739517cc7f7f76714b5f6a1a57c39b8cb38e) Reviewed-on: http://git-master/r/1167021 Reviewed-by: Richard Zhao GVS: Gerrit_Virtual_Submit Reviewed-by: Alex Waterman Reviewed-by: Vijayakumar Subbu --- drivers/gpu/nvgpu/gk20a/sched_gk20a.h | 52 +++++++++++++++++++++++++++++++++++ 1 file changed, 52 insertions(+) create mode 100644 drivers/gpu/nvgpu/gk20a/sched_gk20a.h (limited to 'drivers/gpu/nvgpu/gk20a/sched_gk20a.h') diff --git a/drivers/gpu/nvgpu/gk20a/sched_gk20a.h b/drivers/gpu/nvgpu/gk20a/sched_gk20a.h new file mode 100644 index 00000000..8f533056 --- /dev/null +++ b/drivers/gpu/nvgpu/gk20a/sched_gk20a.h @@ -0,0 +1,52 @@ +/* + * Copyright (c) 2016, NVIDIA CORPORATION. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope 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. + */ + +#ifndef __SCHED_GK20A_H +#define __SCHED_GK20A_H + +struct gk20a; +struct gpu_ops; +struct tsg_gk20a; + +struct gk20a_sched_ctrl { + struct gk20a *g; + + struct mutex control_lock; + bool control_locked; + bool sw_ready; + struct mutex status_lock; + struct mutex busy_lock; + + u64 status; + + size_t bitmap_size; + u64 *active_tsg_bitmap; + u64 *recent_tsg_bitmap; + + wait_queue_head_t readout_wq; +}; + +int gk20a_sched_dev_release(struct inode *inode, struct file *filp); +int gk20a_sched_dev_open(struct inode *inode, struct file *filp); +long gk20a_sched_dev_ioctl(struct file *, unsigned int, unsigned long); +ssize_t gk20a_sched_dev_read(struct file *, char __user *, size_t, loff_t *); +unsigned int gk20a_sched_dev_poll(struct file *, struct poll_table_struct *); + +void gk20a_sched_ctrl_tsg_added(struct gk20a *, struct tsg_gk20a *); +void gk20a_sched_ctrl_tsg_removed(struct gk20a *, struct tsg_gk20a *); +int gk20a_sched_ctrl_init(struct gk20a *); + +void gk20a_sched_debugfs_init(struct device *dev); +void gk20a_sched_ctrl_cleanup(struct gk20a *g); + +#endif /* __SCHED_GK20A_H */ -- cgit v1.2.2