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23cda4f4a9
Add reporting for the per-device identifier (PDI) in the Linux GPU characteristics. Implement PDI read for TU104. Bug 2957580 Signed-off-by: Sami Kiminki <skiminki@nvidia.com> Change-Id: I6ac0e4f74378564d82955b431d4c1fd6c0daeb13 Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2346933 Reviewed-by: automaticguardword <automaticguardword@nvidia.com> Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com> Reviewed-by: svc-mobile-misra <svc-mobile-misra@nvidia.com> Reviewed-by: Lakshmanan M <lm@nvidia.com> Reviewed-by: Konsta Holtta <kholtta@nvidia.com> Reviewed-by: Deepak Nibade <dnibade@nvidia.com> Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> Tested-by: mobile promotions <svcmobile_promotions@nvidia.com> GVS: Gerrit_Virtual_Submit
41 lines
1.5 KiB
C
41 lines
1.5 KiB
C
/*
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* TU104 FUSE
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*
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* Copyright (c) 2017-2020, 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 <nvgpu/io.h>
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#include <nvgpu/gk20a.h>
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#include "fuse_tu104.h"
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#include <nvgpu/hw/tu104/hw_fuse_tu104.h>
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int tu104_fuse_read_per_device_identifier(struct gk20a *g, u64 *pdi)
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{
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u32 lo = nvgpu_readl(g, fuse_opt_pdi_0_r());
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u32 hi = nvgpu_readl(g, fuse_opt_pdi_1_r());
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*pdi = ((u64)lo) | (((u64)hi) << 32);
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return 0;
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}
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