mirror of
https://github.com/NVIDIA/open-gpu-kernel-modules.git
synced 2026-03-10 15:49:53 +00:00
515.43.04
This commit is contained in:
Andy Ritger
175
src/nvidia/inc/kernel/rmapi/mapping_list.h
Normal file
175
src/nvidia/inc/kernel/rmapi/mapping_list.h
Normal file
@@ -0,0 +1,175 @@
|
||||
/*
|
||||
* SPDX-FileCopyrightText: Copyright (c) 1993-2020 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.
|
||||
*/
|
||||
#ifndef _MAPPING_LIST_H_
|
||||
#define _MAPPING_LIST_H_
|
||||
|
||||
#include <nvlimits.h>
|
||||
#include "containers/btree.h"
|
||||
#include "gpu/mem_mgr/mem_desc.h"
|
||||
#include "os/os.h"
|
||||
#include "rmapi/resource.h"
|
||||
|
||||
struct P2PApi;
|
||||
typedef struct VirtualMemory VirtualMemory;
|
||||
typedef struct Memory Memory;
|
||||
|
||||
// ****************************************************************************
|
||||
// Type definitions
|
||||
// ****************************************************************************
|
||||
|
||||
// dma information definitions
|
||||
typedef struct _def_client_dma_mapping_info CLI_DMA_MAPPING_INFO, *PCLI_DMA_MAPPING_INFO;
|
||||
typedef struct _def_client_dma_mapping_info_iterator CLI_DMA_MAPPING_INFO_ITERATOR, *PCLI_DMA_MAPPING_INFO_ITERATOR;
|
||||
|
||||
// mapping information definitions
|
||||
typedef struct _def_client_dma_alloc_map_info CLI_DMA_ALLOC_MAP_INFO;
|
||||
|
||||
//
|
||||
// DMA memory mapping XXX keep around since needed by mapping.c
|
||||
// We need to figure out what to do with this
|
||||
// RS-TODO gradually remove this with inter-mapping cleanup
|
||||
//
|
||||
struct _def_client_dma_mapping_info
|
||||
{
|
||||
NvHandle hDevice;
|
||||
NvU64 DmaOffset;
|
||||
void* KernelVAddr[NV_MAX_SUBDEVICES]; // Kernel's virtual address, if required
|
||||
void* KernelPriv; // Token required to unmap the kernel mapping
|
||||
NvU64 FbAperture[NV_MAX_SUBDEVICES]; // GPU aperture addresses, if required
|
||||
NvU64 FbApertureLen[NV_MAX_SUBDEVICES]; // GPU aperture mapped lengths
|
||||
MEMORY_DESCRIPTOR *pMemDesc; // Subregion to be mapped
|
||||
NvU32 Flags;
|
||||
struct P2PApi *pP2PInfo;
|
||||
NvU32 gpuMask;
|
||||
ADDRESS_TRANSLATION addressTranslation;
|
||||
MEMORY_DESCRIPTOR *pBar1P2PVirtMemDesc; // The peer GPU mapped BAR1 region
|
||||
MEMORY_DESCRIPTOR *pBar1P2PPhysMemDesc; // The peer GPU vidmem sub region
|
||||
PCLI_DMA_MAPPING_INFO Next;
|
||||
PCLI_DMA_MAPPING_INFO Prev;
|
||||
};
|
||||
|
||||
//
|
||||
// iterator object to enum CLI_DMA_MAPPING_INFO from 'pDmaMappingList'
|
||||
//
|
||||
struct _def_client_dma_mapping_info_iterator
|
||||
{
|
||||
PNODE pDmaMappingList; // list of hDevices
|
||||
PNODE pCurrentList; // current hDevice list entry, is list of pDmaMappings
|
||||
PNODE pNextDmaMapping; // next pDmaMapping while iterating over the DmaOffsets
|
||||
};
|
||||
|
||||
//
|
||||
// DMA allocMapping
|
||||
//
|
||||
struct _def_client_dma_alloc_map_info
|
||||
{
|
||||
CLI_DMA_MAPPING_INFO *pDmaMappingInfo;
|
||||
struct VirtualMemory *pVirtualMemory;
|
||||
struct Memory *pMemory;
|
||||
};
|
||||
|
||||
// ****************************************************************************
|
||||
// Function definitions
|
||||
// ****************************************************************************
|
||||
|
||||
// Client Memory Mappings
|
||||
//
|
||||
// CliUpdateMemoryMappingInfo - Fill in RsCpuMapping fields for system memory mappings
|
||||
//
|
||||
static inline NV_STATUS
|
||||
CliUpdateMemoryMappingInfo
|
||||
(
|
||||
RsCpuMapping *pCpuMapping,
|
||||
NvBool bKernel,
|
||||
NvP64 cpuAddress,
|
||||
NvP64 priv,
|
||||
NvU64 cpuMapLength,
|
||||
NvU32 flags
|
||||
)
|
||||
{
|
||||
if (pCpuMapping == NULL)
|
||||
return NV_ERR_INVALID_ARGUMENT;
|
||||
|
||||
pCpuMapping->pPrivate->bKernel = bKernel;
|
||||
pCpuMapping->length = cpuMapLength;
|
||||
pCpuMapping->flags = flags;
|
||||
pCpuMapping->processId = osGetCurrentProcess();
|
||||
pCpuMapping->pLinearAddress = cpuAddress;
|
||||
pCpuMapping->pPrivate->pPriv = priv;
|
||||
pCpuMapping->pPrivate->gpuAddress = -1;
|
||||
pCpuMapping->pPrivate->gpuMapLength = -1;
|
||||
|
||||
return NV_OK;
|
||||
}
|
||||
|
||||
// ****************************************************************************
|
||||
// Device Memory Mappings
|
||||
// ****************************************************************************
|
||||
|
||||
//
|
||||
// CliUpdateDeviceMemoryMapping - Fill in RsCpuMapping fields for device memory mappings
|
||||
//
|
||||
static inline NV_STATUS
|
||||
CliUpdateDeviceMemoryMapping
|
||||
(
|
||||
RsCpuMapping *pCpuMapping,
|
||||
NvBool bKernel,
|
||||
NvP64 priv,
|
||||
NvP64 cpuAddress,
|
||||
NvU64 cpuMapLength,
|
||||
NvU64 gpuAddress,
|
||||
NvU64 gpuMapLength,
|
||||
NvU32 flags
|
||||
)
|
||||
{
|
||||
if (pCpuMapping == NULL)
|
||||
return NV_ERR_INVALID_ARGUMENT;
|
||||
|
||||
pCpuMapping->pPrivate->bKernel = bKernel;
|
||||
pCpuMapping->length = cpuMapLength;
|
||||
pCpuMapping->flags = flags;
|
||||
pCpuMapping->processId = osGetCurrentProcess();
|
||||
pCpuMapping->pLinearAddress = cpuAddress;
|
||||
pCpuMapping->pPrivate->pPriv = priv;
|
||||
pCpuMapping->pPrivate->gpuAddress = gpuAddress;
|
||||
pCpuMapping->pPrivate->gpuMapLength = gpuMapLength;
|
||||
|
||||
return NV_OK;
|
||||
}
|
||||
|
||||
RsCpuMapping *CliFindMappingInClient (NvHandle, NvHandle, NvP64);
|
||||
|
||||
// DMA Mappings
|
||||
NV_STATUS intermapCreateDmaMapping (RsClient *, RsResourceRef *, NvHandle, NvHandle, PCLI_DMA_MAPPING_INFO *, NvU32);
|
||||
NV_STATUS intermapRegisterDmaMapping (RsClient *, NvHandle, NvHandle, PCLI_DMA_MAPPING_INFO, NvU64, NvU32);
|
||||
NV_STATUS intermapDelDmaMapping (RsClient *, NvHandle, NvHandle, NvU64, NvU32, NvBool*);
|
||||
void intermapFreeDmaMapping (PCLI_DMA_MAPPING_INFO);
|
||||
|
||||
NvBool CliGetDmaMappingInfo (NvHandle, NvHandle, NvHandle, NvU64, NvU32, PCLI_DMA_MAPPING_INFO*);
|
||||
void CliGetDmaMappingIterator (PCLI_DMA_MAPPING_INFO *, PCLI_DMA_MAPPING_INFO_ITERATOR, PNODE pDmaMappingList);
|
||||
void CliGetDmaMappingNext (PCLI_DMA_MAPPING_INFO *, PCLI_DMA_MAPPING_INFO_ITERATOR);
|
||||
|
||||
// Unmap all DMA mappings between a memory resource and any DynamicMemory
|
||||
NV_STATUS intermapUnmapDeviceMemoryDma (RsClient *, RsResourceRef *, NvHandle);
|
||||
|
||||
#endif
|
||||
Reference in New Issue
Block a user