102 lines
3.7 KiB
C
102 lines
3.7 KiB
C
/*******************************************************************************
|
|
Copyright (c) 2021-2023 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_global.h"
|
|
#include "uvm_hal.h"
|
|
#include "uvm_gpu.h"
|
|
#include "uvm_mem.h"
|
|
#include "uvm_ada_fault_buffer.h"
|
|
|
|
void uvm_hal_ada_arch_init_properties(uvm_parent_gpu_t *parent_gpu)
|
|
{
|
|
parent_gpu->tlb_batch.va_invalidate_supported = true;
|
|
|
|
parent_gpu->tlb_batch.va_range_invalidate_supported = true;
|
|
|
|
// TODO: Bug 1767241: Run benchmarks to figure out a good number
|
|
parent_gpu->tlb_batch.max_ranges = 8;
|
|
|
|
parent_gpu->utlb_per_gpc_count = uvm_ada_get_utlbs_per_gpc(parent_gpu);
|
|
|
|
parent_gpu->fault_buffer_info.replayable.utlb_count = parent_gpu->rm_info.maxGpcCount *
|
|
parent_gpu->utlb_per_gpc_count;
|
|
{
|
|
uvm_fault_buffer_entry_t *dummy;
|
|
UVM_ASSERT(parent_gpu->fault_buffer_info.replayable.utlb_count <= (1 << (sizeof(dummy->fault_source.utlb_id) *
|
|
8)));
|
|
}
|
|
|
|
// A single top level PDE on Ada covers 128 TB and that's the minimum size
|
|
// that can be used.
|
|
parent_gpu->rm_va_base = 0;
|
|
parent_gpu->rm_va_size = 128 * UVM_SIZE_1TB;
|
|
|
|
parent_gpu->uvm_mem_va_base = 384 * UVM_SIZE_1TB;
|
|
parent_gpu->uvm_mem_va_size = UVM_MEM_VA_SIZE;
|
|
|
|
parent_gpu->ce_phys_vidmem_write_supported = true;
|
|
|
|
parent_gpu->peer_copy_mode = g_uvm_global.peer_copy_mode;
|
|
|
|
// Not all units on Ada support 49-bit addressing, including those which
|
|
// access channel buffers.
|
|
parent_gpu->max_channel_va = 1ULL << 40;
|
|
|
|
parent_gpu->max_host_va = 1ULL << 40;
|
|
|
|
// Ada can map sysmem with any page size
|
|
parent_gpu->can_map_sysmem_with_large_pages = true;
|
|
|
|
// Prefetch instructions will generate faults
|
|
parent_gpu->prefetch_fault_supported = true;
|
|
|
|
// Ada can place GPFIFO in vidmem
|
|
parent_gpu->gpfifo_in_vidmem_supported = true;
|
|
|
|
parent_gpu->replayable_faults_supported = true;
|
|
|
|
parent_gpu->non_replayable_faults_supported = true;
|
|
|
|
parent_gpu->access_counters_supported = true;
|
|
|
|
parent_gpu->access_counters_can_use_physical_addresses = false;
|
|
|
|
parent_gpu->fault_cancel_va_supported = true;
|
|
|
|
parent_gpu->scoped_atomics_supported = true;
|
|
|
|
parent_gpu->has_clear_faulted_channel_sw_method = true;
|
|
|
|
parent_gpu->has_clear_faulted_channel_method = false;
|
|
|
|
parent_gpu->smc.supported = true;
|
|
|
|
parent_gpu->sparse_mappings_supported = true;
|
|
|
|
parent_gpu->map_remap_larger_page_promotion = false;
|
|
|
|
parent_gpu->plc_supported = true;
|
|
|
|
parent_gpu->no_ats_range_required = false;
|
|
}
|