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-rw-r--r--drivers/gpu/nvgpu/os/linux/ioctl_dbg.h54
1 files changed, 54 insertions, 0 deletions
diff --git a/drivers/gpu/nvgpu/os/linux/ioctl_dbg.h b/drivers/gpu/nvgpu/os/linux/ioctl_dbg.h
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1/*
2 * Tegra GK20A GPU Debugger Driver
3 *
4 * Copyright (c) 2017, NVIDIA CORPORATION. All rights reserved.
5 *
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms and conditions of the GNU General Public License,
8 * version 2, as published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
13 * more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
17 */
18#ifndef DBG_GPU_IOCTL_GK20A_H
19#define DBG_GPU_IOCTL_GK20A_H
20#include <linux/poll.h>
21
22#include "gk20a/dbg_gpu_gk20a.h"
23
24/* NVGPU_DBG_GPU_IOCTL_REG_OPS: the upper limit for the number
25 * of regops */
26#define NVGPU_IOCTL_DBG_REG_OPS_LIMIT 1024
27
28struct dbg_session_gk20a_linux {
29 struct device *dev;
30 struct dbg_session_gk20a dbg_s;
31};
32
33struct dbg_session_channel_data_linux {
34 /*
35 * We have to keep a ref to the _file_, not the channel, because
36 * close(channel_fd) is synchronous and would deadlock if we had an
37 * open debug session fd holding a channel ref at that time. Holding a
38 * ref to the file makes close(channel_fd) just drop a kernel ref to
39 * the file; the channel will close when the last file ref is dropped.
40 */
41 struct file *ch_f;
42 struct dbg_session_channel_data ch_data;
43};
44
45/* module debug driver interface */
46int gk20a_dbg_gpu_dev_release(struct inode *inode, struct file *filp);
47int gk20a_dbg_gpu_dev_open(struct inode *inode, struct file *filp);
48long gk20a_dbg_gpu_dev_ioctl(struct file *filp, unsigned int cmd, unsigned long arg);
49unsigned int gk20a_dbg_gpu_dev_poll(struct file *filep, poll_table *wait);
50
51/* used by profiler driver interface */
52int gk20a_prof_gpu_dev_open(struct inode *inode, struct file *filp);
53
54#endif \ No newline at end of file