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git://nv-tegra.nvidia.com/linux-nvgpu.git
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6393eddfa9
Most of files have been moved out of linux folder. More code could be common as halifying going on. Jira EVLR-2364 Change-Id: Ia9dbdbc82f45ceefe5c788eac7517000cd455d5e Signed-off-by: Richard Zhao <rizhao@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/1649947 Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
51 lines
1.5 KiB
C
51 lines
1.5 KiB
C
/*
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* Copyright (c) 2017-2018, NVIDIA CORPORATION. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <linux/device.h>
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#include <nvgpu/vgpu/vgpu.h>
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#include "common/linux/platform_gk20a.h"
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static ssize_t vgpu_load_show(struct device *dev,
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struct device_attribute *attr,
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char *buf)
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{
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struct gk20a *g = get_gk20a(dev);
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struct tegra_vgpu_cmd_msg msg = {0};
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struct tegra_vgpu_gpu_load_params *p = &msg.params.gpu_load;
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int err;
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msg.cmd = TEGRA_VGPU_CMD_GET_GPU_LOAD;
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msg.handle = vgpu_get_handle(g);
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err = vgpu_comm_sendrecv(&msg, sizeof(msg), sizeof(msg));
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if (err)
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return err;
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return snprintf(buf, PAGE_SIZE, "%u\n", p->load);
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}
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static DEVICE_ATTR(load, S_IRUGO, vgpu_load_show, NULL);
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void vgpu_create_sysfs(struct device *dev)
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{
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if (device_create_file(dev, &dev_attr_load))
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dev_err(dev, "Failed to create vgpu sysfs attributes!\n");
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}
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void vgpu_remove_sysfs(struct device *dev)
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{
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device_remove_file(dev, &dev_attr_load);
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}
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