/*******************************************************************************
    Copyright (c) 2016 NVIDIA Corporation

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        The above copyright notice and this permission notice shall be
        included in all copies or substantial portions of the Software.

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    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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#include "uvm8_hal.h"
#include "uvm8_gpu.h"
#include "uvm8_mem.h"
#include "uvm8_volta_fault_buffer.h"

void uvm_hal_volta_arch_init_properties(uvm_gpu_t *gpu)
{
    gpu->big_page.swizzling = false;

    gpu->tlb_batch.va_invalidate_supported = true;

    // TODO: Bug 1767241: Run benchmarks to figure out a good number
    gpu->tlb_batch.max_pages = 32;

    gpu->fault_buffer_info.replayable.utlb_count = gpu->gpc_count * uvm_volta_get_utlbs_per_gpc(gpu);

    // A single top level PDE on Volta covers 128 TB and that's the minimum
    // size that can be used.
    gpu->rm_va_base = 0;
    gpu->rm_va_size = 128ull * 1024 * 1024 * 1024 * 1024;

    gpu->uvm_mem_va_base = 384ull * 1024 * 1024 * 1024 * 1024;
    gpu->uvm_mem_va_size = UVM_MEM_VA_SIZE;

    gpu->peer_identity_mappings_supported = true;

    // Not all units on Volta support 49-bit addressing, including those which
    // access channel buffers.
    gpu->max_channel_va = 1ULL << 40;

    // Volta can map sysmem with any page size
    gpu->can_map_sysmem_with_large_pages = true;

    // Prefetch instructions will generate faults
    gpu->prefetch_fault_supported = true;
}
