mirror of
https://github.com/NVIDIA/open-gpu-kernel-modules.git
synced 2024-11-29 18:24:13 +01:00
75 lines
2.8 KiB
C
75 lines
2.8 KiB
C
/*******************************************************************************
|
|
Copyright (c) 2016-2021 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_hal.h"
|
|
#include "uvm_gpu.h"
|
|
#include "uvm_mem.h"
|
|
|
|
void uvm_hal_maxwell_arch_init_properties(uvm_parent_gpu_t *parent_gpu)
|
|
{
|
|
parent_gpu->tlb_batch.va_invalidate_supported = false;
|
|
|
|
// 128 GB should be enough for all current RM allocations and leaves enough
|
|
// space for UVM internal mappings.
|
|
// A single top level PDE covers 64 or 128 MB on Maxwell so 128 GB is fine to use.
|
|
parent_gpu->rm_va_base = 0;
|
|
parent_gpu->rm_va_size = 128 * UVM_SIZE_1GB;
|
|
|
|
parent_gpu->uvm_mem_va_base = 768 * UVM_SIZE_1GB;
|
|
parent_gpu->uvm_mem_va_size = UVM_MEM_VA_SIZE;
|
|
|
|
parent_gpu->ce_phys_vidmem_write_supported = true;
|
|
|
|
// We don't have a compelling use case in UVM-Lite for direct peer
|
|
// migrations between GPUs, so don't bother setting them up.
|
|
parent_gpu->peer_copy_mode = UVM_GPU_PEER_COPY_MODE_UNSUPPORTED;
|
|
|
|
parent_gpu->max_channel_va = 1ULL << 40;
|
|
|
|
parent_gpu->max_host_va = 1ULL << 40;
|
|
|
|
// Maxwell can only map sysmem with 4K pages
|
|
parent_gpu->can_map_sysmem_with_large_pages = false;
|
|
|
|
// Maxwell cannot place GPFIFO in vidmem
|
|
parent_gpu->gpfifo_in_vidmem_supported = false;
|
|
|
|
parent_gpu->replayable_faults_supported = false;
|
|
|
|
parent_gpu->non_replayable_faults_supported = false;
|
|
|
|
parent_gpu->access_counters_supported = false;
|
|
|
|
parent_gpu->fault_cancel_va_supported = false;
|
|
|
|
parent_gpu->scoped_atomics_supported = false;
|
|
|
|
parent_gpu->sparse_mappings_supported = false;
|
|
|
|
parent_gpu->map_remap_larger_page_promotion = false;
|
|
|
|
parent_gpu->smc.supported = false;
|
|
|
|
parent_gpu->plc_supported = false;
|
|
}
|