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Open source GPL/LGPL release

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svcmobrel-release
2022-07-21 16:03:29 -07:00
commit f338182221
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84
drivers/gpu/nvgpu/common/mc/mc.c Normal file
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/*
* GK20A Master Control
*
* Copyright (c) 2014-2020, NVIDIA CORPORATION. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#include <nvgpu/gk20a.h>
#include <nvgpu/device.h>
#include <nvgpu/mc.h>
int nvgpu_mc_reset_units(struct gk20a *g, u32 units)
{
int err;
err = g->ops.mc.enable_units(g, units, false);
if (err != 0) {
nvgpu_log(g, gpu_dbg_info, "Unit disable failed");
return err;
}
err = g->ops.mc.enable_units(g, units, true);
if (err != 0) {
nvgpu_log(g, gpu_dbg_info, "Unit disable failed");
return err;
}
return 0;
}
int nvgpu_mc_reset_dev(struct gk20a *g, const struct nvgpu_device *dev)
{
int err;
err = g->ops.mc.enable_dev(g, dev, false);
if (err != 0) {
nvgpu_device_dump_dev(g, dev);
return err;
}
err = g->ops.mc.enable_dev(g, dev, true);
if (err != 0) {
nvgpu_device_dump_dev(g, dev);
return err;
}
return 0;
}
int nvgpu_mc_reset_devtype(struct gk20a *g, u32 devtype)
{
int err;
err = g->ops.mc.enable_devtype(g, devtype, false);
if (err != 0) {
nvgpu_log(g, gpu_dbg_info, "Devtype:%u disable failed",
devtype);
return err;
}
err = g->ops.mc.enable_devtype(g, devtype, true);
if (err != 0) {
nvgpu_log(g, gpu_dbg_info, "Devtype:%u enable failed",
devtype);
return err;
}
return 0;
}