mirror of
https://github.com/NVIDIA/open-gpu-kernel-modules.git
synced 2026-07-03 13:57:20 +00:00
50 lines
2.2 KiB
C
50 lines
2.2 KiB
C
/*******************************************************************************
|
|
Copyright (c) 2025 NVIDIA Corporation
|
|
|
|
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 "uvm_common.h"
|
|
#include "uvm_global.h"
|
|
#include "uvm_gpu.h"
|
|
#include "uvm_hal.h"
|
|
#include "hwref/rubin/gr100/dev_fb.h"
|
|
|
|
void uvm_hal_rubin_fault_buffer_write_get(uvm_parent_gpu_t *parent_gpu, NvU32 index)
|
|
{
|
|
NvU32 get;
|
|
|
|
UVM_ASSERT(index < parent_gpu->fault_buffer.replayable.max_faults);
|
|
|
|
// Clearing GETPTR_CORRUPTED and OVERFLOW is not needed when GSP-RM owns
|
|
// the HW replayable fault buffer, because UVM does not write to the actual
|
|
// GET register; GSP-RM is responsible for clearing the bits in the real
|
|
// GET register.
|
|
if (g_uvm_global.conf_computing_enabled)
|
|
return;
|
|
|
|
get = HWVALUE(_PFB_PRI_MMU, FAULT_BUFFER_GET, PTR, index);
|
|
|
|
// Clear the GETPTR_CORRUPTED and OVERFLOW bits.
|
|
get |= HWCONST(_PFB_PRI_MMU, FAULT_BUFFER_GET, GETPTR_CORRUPTED, CLEAR) |
|
|
HWCONST(_PFB_PRI_MMU, FAULT_BUFFER_GET, OVERFLOW, CLEAR);
|
|
UVM_GPU_WRITE_ONCE(*parent_gpu->fault_buffer.rm_info.replayable.pFaultBufferGet, get);
|
|
}
|