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7885500a42
Change license of OS independent source code files to MIT. JIRA NVGPU-218 Change-Id: I1474065f4b552112786974a16cdf076c5179540e Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/1565880 Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
56 lines
1.9 KiB
C
56 lines
1.9 KiB
C
/*
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* Copyright (c) 2017, NVIDIA CORPORATION. All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#include <linux/device.h>
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#include "vgpu/vgpu.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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