79 lines
2.2 KiB
C
79 lines
2.2 KiB
C
|
/*
|
||
|
|
* SPDX-FileCopyrightText: Copyright (c) 1999-2011 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
|
||
|
|
* SPDX-License-Identifier: MIT
|
||
|
|
*
|
||
|
|
* 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.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#define __NO_VERSION__
|
||
|
|
|
||
|
|
#include "os-interface.h"
|
||
|
|
#include "nv-linux.h"
|
||
|
|
|
||
|
|
void* NV_API_CALL os_map_user_space(
|
||
|
|
NvU64 start,
|
||
|
|
NvU64 size_bytes,
|
||
|
|
NvU32 mode,
|
||
|
|
NvU32 protect,
|
||
|
|
void **priv_data
|
||
|
|
)
|
||
|
|
{
|
||
|
|
return (void *)(NvUPtr)start;
|
||
|
|
}
|
||
|
|
|
||
|
|
void NV_API_CALL os_unmap_user_space(
|
||
|
|
void *address,
|
||
|
|
NvU64 size,
|
||
|
|
void *priv_data
|
||
|
|
)
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
NV_STATUS NV_API_CALL os_match_mmap_offset(
|
||
|
|
void *pAllocPrivate,
|
||
|
|
NvU64 offset,
|
||
|
|
NvU64 *pPageIndex
|
||
|
|
)
|
||
|
|
{
|
||
|
|
nv_alloc_t *at = pAllocPrivate;
|
||
|
|
NvU64 i;
|
||
|
|
|
||
|
|
for (i = 0; i < at->num_pages; i++)
|
||
|
|
{
|
||
|
|
if (at->flags.contig)
|
||
|
|
{
|
||
|
|
if (offset == (at->page_table[0]->phys_addr + (i * PAGE_SIZE)))
|
||
|
|
{
|
||
|
|
*pPageIndex = i;
|
||
|
|
return NV_OK;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
if (offset == at->page_table[i]->phys_addr)
|
||
|
|
{
|
||
|
|
*pPageIndex = i;
|
||
|
|
return NV_OK;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return NV_ERR_OBJECT_NOT_FOUND;
|
||
|
|
}
|