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This commit is contained in:
Bernhard Stoeckner
2025-04-17 19:35:38 +02:00
parent e8113f665d
commit 4159579888
1142 changed files with 309085 additions and 272273 deletions
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19
kernel-open/nvidia-uvm/uvm_mem.c
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@@ -1,5 +1,5 @@
/*******************************************************************************
Copyright (c) 2016-2023 NVIDIA Corporation
Copyright (c) 2016-2024 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
@@ -485,10 +485,13 @@ static NV_STATUS mem_alloc_sysmem_dma_chunks(uvm_mem_t *mem, gfp_t gfp_flags)
dma_addrs = mem->sysmem.dma_addrs[uvm_id_gpu_index(mem->dma_owner->id)];
for (i = 0; i < mem->chunks_count; ++i) {
mem->sysmem.va[i] = uvm_parent_gpu_dma_alloc_page(mem->dma_owner->parent, gfp_flags, &dma_addrs[i]);
if (!mem->sysmem.va[i])
goto err_no_mem;
void *va;
status = uvm_gpu_dma_alloc_page(mem->dma_owner, gfp_flags, &va, &dma_addrs[i]);
if (status != NV_OK)
goto error;
mem->sysmem.va[i] = va;
mem->sysmem.pages[i] = uvm_virt_to_page(mem->sysmem.va[i]);
if (!mem->sysmem.pages[i])
goto err_no_mem;
@@ -917,12 +920,12 @@ static NV_STATUS sysmem_map_gpu_phys(uvm_mem_t *mem, uvm_gpu_t *gpu)
return status;
for (i = 0; i < mem->chunks_count; ++i) {
status = uvm_parent_gpu_map_cpu_pages(gpu->parent,
mem->sysmem.pages[i],
mem->chunk_size,
&mem->sysmem.dma_addrs[uvm_id_gpu_index(gpu->id)][i]);
NvU64 dma_addr;
status = uvm_gpu_map_cpu_pages(gpu, mem->sysmem.pages[i], mem->chunk_size, &dma_addr);
if (status != NV_OK)
goto error;
mem->sysmem.dma_addrs[uvm_id_gpu_index(gpu->id)][i] = dma_addr;
}
return NV_OK;