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This commit is contained in:
Maneet Singh
2025-08-04 11:15:02 -07:00
parent d890313300
commit 307159f262
1315 changed files with 477791 additions and 279973 deletions
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12
kernel-open/nvidia/nv-p2p.c
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@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: Copyright (c) 2011-2024 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
* SPDX-FileCopyrightText: Copyright (c) 2011-2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
* SPDX-License-Identifier: MIT
*
* Permission is hereby granted, free of charge, to any person obtaining a
@@ -415,6 +415,7 @@ static int nv_p2p_get_pages(
NvU8 *gpu_uuid = NULL;
NvU8 uuid[NVIDIA_P2P_GPU_UUID_LEN] = {0};
NvBool force_pcie = !!(flags & NVIDIA_P2P_FLAGS_FORCE_BAR1_MAPPING);
NvBool cpu_cacheable;
int rc;
if (!NV_IS_ALIGNED64(virtual_address, NVRM_P2P_PAGESIZE_BIG_64K) ||
@@ -520,7 +521,7 @@ static int nv_p2p_get_pages(
&mem_info->private,
physical_addresses, &entries,
force_pcie, *page_table, gpu_info,
&mem_info->mig_info);
&mem_info->mig_info, &cpu_cacheable);
if (status != NV_OK)
{
goto failed;
@@ -531,7 +532,7 @@ static int nv_p2p_get_pages(
// Get regular old-style, non-persistent mappings
status = rm_p2p_get_pages(sp, p2p_token, va_space,
virtual_address, length, physical_addresses, wreqmb_h,
rreqmb_h, &entries, &gpu_uuid, *page_table);
rreqmb_h, &entries, &gpu_uuid, *page_table, &cpu_cacheable);
if (status != NV_OK)
{
goto failed;
@@ -578,6 +579,11 @@ static int nv_p2p_get_pages(
(*page_table)->page_size = page_size_index;
if (cpu_cacheable)
{
(*page_table)->flags |= NVIDIA_P2P_PAGE_TABLE_FLAGS_CPU_CACHEABLE;
}
os_free_mem(physical_addresses);
physical_addresses = NULL;