mirror of
https://github.com/NVIDIA/open-gpu-kernel-modules.git
synced 2026-02-08 00:59:58 +00:00
550.40.07
This commit is contained in:
Bernhard Stoeckner
@@ -1,5 +1,5 @@
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/*******************************************************************************
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Copyright (c) 2013-2022 NVIDIA Corporation
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Copyright (c) 2013-2023 NVIDIA Corporation
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to
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@@ -45,16 +45,20 @@
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// #endif
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// 3) Do the same thing for the function definition, and for any structs that
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// are taken as arguments to these functions.
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// 4) Let this change propagate over to cuda_a, so that the CUDA driver can
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// start using the new API by bumping up the API version number its using.
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// This can be found in gpgpu/cuda/cuda.nvmk.
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// 5) Once the cuda_a changes have made it back into chips_a, remove the old API
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// declaration, definition, and any old structs that were in use.
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// 4) Let this change propagate over to cuda_a and dev_a, so that the CUDA and
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// nvidia-cfg libraries can start using the new API by bumping up the API
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// version number it's using.
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// Places where UVM_API_REVISION is defined are:
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// drivers/gpgpu/cuda/cuda.nvmk (cuda_a)
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// drivers/setup/linux/nvidia-cfg/makefile.nvmk (dev_a)
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// 5) Once the dev_a and cuda_a changes have made it back into chips_a,
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// remove the old API declaration, definition, and any old structs that were
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// in use.
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#ifndef _UVM_H_
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#define _UVM_H_
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#define UVM_API_LATEST_REVISION 8
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#define UVM_API_LATEST_REVISION 9
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#if !defined(UVM_API_REVISION)
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#error "please define UVM_API_REVISION macro to a desired version number or UVM_API_LATEST_REVISION macro"
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@@ -180,12 +184,8 @@ NV_STATUS UvmSetDriverVersion(NvU32 major, NvU32 changelist);
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// because it is not very informative.
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//
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//------------------------------------------------------------------------------
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#if UVM_API_REV_IS_AT_MOST(4)
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NV_STATUS UvmInitialize(UvmFileDescriptor fd);
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#else
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NV_STATUS UvmInitialize(UvmFileDescriptor fd,
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NvU64 flags);
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#endif
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//------------------------------------------------------------------------------
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// UvmDeinitialize
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@@ -329,7 +329,11 @@ NV_STATUS UvmIsPageableMemoryAccessSupportedOnGpu(const NvProcessorUuid *gpuUuid
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//
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// Arguments:
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// gpuUuid: (INPUT)
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// UUID of the GPU to register.
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// UUID of the physical GPU to register.
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//
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// platformParams: (INPUT)
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// User handles identifying the GPU partition to register.
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// This should be NULL if the GPU is not SMC capable or SMC enabled.
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//
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// Error codes:
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// NV_ERR_NO_MEMORY:
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@@ -364,27 +368,31 @@ NV_STATUS UvmIsPageableMemoryAccessSupportedOnGpu(const NvProcessorUuid *gpuUuid
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// OS state required to register the GPU is not present.
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//
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// NV_ERR_INVALID_STATE:
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// OS state required to register the GPU is malformed.
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// OS state required to register the GPU is malformed, or the partition
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// identified by the user handles or its configuration changed.
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//
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// NV_ERR_GENERIC:
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// Unexpected error. We try hard to avoid returning this error code,
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// because it is not very informative.
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//
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//------------------------------------------------------------------------------
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#if UVM_API_REV_IS_AT_MOST(8)
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NV_STATUS UvmRegisterGpu(const NvProcessorUuid *gpuUuid);
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#else
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NV_STATUS UvmRegisterGpu(const NvProcessorUuid *gpuUuid,
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const UvmGpuPlatformParams *platformParams);
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#endif
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#if UVM_API_REV_IS_AT_MOST(8)
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//------------------------------------------------------------------------------
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// UvmRegisterGpuSmc
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//
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// The same as UvmRegisterGpu, but takes additional parameters to specify the
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// GPU partition being registered if SMC is enabled.
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//
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// TODO: Bug 2844714: Merge UvmRegisterGpuSmc() with UvmRegisterGpu() once
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// the initial SMC support is in place.
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//
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// Arguments:
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// gpuUuid: (INPUT)
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// UUID of the parent GPU of the SMC partition to register.
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// UUID of the physical GPU of the SMC partition to register.
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//
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// platformParams: (INPUT)
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// User handles identifying the partition to register.
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@@ -397,6 +405,7 @@ NV_STATUS UvmRegisterGpu(const NvProcessorUuid *gpuUuid);
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//
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NV_STATUS UvmRegisterGpuSmc(const NvProcessorUuid *gpuUuid,
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const UvmGpuPlatformParams *platformParams);
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#endif
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//------------------------------------------------------------------------------
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// UvmUnregisterGpu
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@@ -1416,8 +1425,7 @@ NV_STATUS UvmAllocSemaphorePool(void *base,
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//
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// preferredCpuMemoryNode: (INPUT)
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// Preferred CPU NUMA memory node used if the destination processor is
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// the CPU. This argument is ignored if the given virtual address range
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// corresponds to managed memory.
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// the CPU.
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//
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// Error codes:
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// NV_ERR_INVALID_ADDRESS:
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@@ -1456,16 +1464,10 @@ NV_STATUS UvmAllocSemaphorePool(void *base,
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// pages were associated with a non-migratable range group.
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//
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//------------------------------------------------------------------------------
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#if UVM_API_REV_IS_AT_MOST(5)
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NV_STATUS UvmMigrate(void *base,
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NvLength length,
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const NvProcessorUuid *destinationUuid);
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#else
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NV_STATUS UvmMigrate(void *base,
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NvLength length,
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const NvProcessorUuid *destinationUuid,
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NvS32 preferredCpuMemoryNode);
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#endif
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//------------------------------------------------------------------------------
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// UvmMigrateAsync
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@@ -1547,20 +1549,12 @@ NV_STATUS UvmMigrate(void *base,
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// pages were associated with a non-migratable range group.
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//
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//------------------------------------------------------------------------------
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#if UVM_API_REV_IS_AT_MOST(5)
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NV_STATUS UvmMigrateAsync(void *base,
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NvLength length,
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const NvProcessorUuid *destinationUuid,
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void *semaphoreAddress,
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NvU32 semaphorePayload);
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#else
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NV_STATUS UvmMigrateAsync(void *base,
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NvLength length,
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const NvProcessorUuid *destinationUuid,
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NvS32 preferredCpuMemoryNode,
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void *semaphoreAddress,
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NvU32 semaphorePayload);
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#endif
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//------------------------------------------------------------------------------
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// UvmMigrateRangeGroup
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@@ -1568,9 +1562,7 @@ NV_STATUS UvmMigrateAsync(void *base,
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// Migrates the backing of all virtual address ranges associated with the given
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// range group to the specified destination processor. The behavior of this API
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// is equivalent to calling UvmMigrate on each VA range associated with this
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// range group. The value for the preferredCpuMemoryNode is irrelevant in this
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// case as it only applies to migrations of pageable address, which cannot be
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// used to create range groups.
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// range group.
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//
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// Any errors encountered during migration are returned immediately. No attempt
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// is made to migrate the remaining unmigrated ranges and the ranges that are
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@@ -2303,13 +2295,10 @@ NV_STATUS UvmDisableReadDuplication(void *base,
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// preferredLocationUuid: (INPUT)
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// UUID of the preferred location.
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//
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// preferredCpuNumaNode: (INPUT)
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// preferredCpuMemoryNode: (INPUT)
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// Preferred CPU NUMA memory node used if preferredLocationUuid is the
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// UUID of the CPU. -1 is a special value which indicates all CPU nodes
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// allowed by the global and thread memory policies. This argument is
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// ignored if preferredLocationUuid refers to a GPU or the given virtual
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// address range corresponds to managed memory. If NUMA is not enabled,
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// only 0 or -1 is allowed.
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// allowed by the global and thread memory policies.
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//
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// Errors:
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// NV_ERR_INVALID_ADDRESS:
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@@ -2339,10 +2328,11 @@ NV_STATUS UvmDisableReadDuplication(void *base,
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//
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// NV_ERR_INVALID_ARGUMENT:
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// One of the following occured:
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// - preferredLocationUuid is the UUID of a CPU and preferredCpuNumaNode
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// refers to a registered GPU.
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// - preferredCpuNumaNode is invalid and preferredLocationUuid is the
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// UUID of the CPU.
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// - preferredLocationUuid is the UUID of the CPU and
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// preferredCpuMemoryNode is either:
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// - not a valid NUMA node,
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// - not a possible NUMA node, or
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// - a NUMA node ID corresponding to a registered GPU.
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//
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// NV_ERR_NOT_SUPPORTED:
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// The UVM file descriptor is associated with another process and the
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@@ -2353,16 +2343,10 @@ NV_STATUS UvmDisableReadDuplication(void *base,
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// because it is not very informative.
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//
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//------------------------------------------------------------------------------
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#if UVM_API_REV_IS_AT_MOST(7)
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NV_STATUS UvmSetPreferredLocation(void *base,
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NvLength length,
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const NvProcessorUuid *preferredLocationUuid);
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#else
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NV_STATUS UvmSetPreferredLocation(void *base,
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NvLength length,
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const NvProcessorUuid *preferredLocationUuid,
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NvS32 preferredCpuNumaNode);
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#endif
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NvS32 preferredCpuMemoryNode);
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//------------------------------------------------------------------------------
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// UvmUnsetPreferredLocation
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