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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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9
kernel-open/nvidia-uvm/uvm_api.h
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@@ -1,5 +1,5 @@
/*******************************************************************************
Copyright (c) 2015-2019 NVIDIA Corporation
Copyright (c) 2015-2025 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
@@ -32,7 +32,7 @@
#include "uvm_thread_context.h"
#include "uvm_kvmalloc.h"
#include "uvm_va_space.h"
#include "nv_uvm_types.h"
#include "nv_uvm_user_types.h"
// This weird number comes from UVM_PREVENT_MIGRATION_RANGE_GROUPS_PARAMS. That
// ioctl is called frequently so we don't want to allocate a copy every time.
@@ -212,6 +212,10 @@ typedef enum
// If the interval [base, base + length) is fully covered by VMAs which all have
// the same uvm_api_range_type_t, that range type is returned.
//
// If the platform supports ATS but no GPU has yet been registered and a
// possible ATS range is identified then the VA space state is updated such that
// it will only be possible to register GPUs that support ATS.
//
// LOCKING: va_space->lock must be held in at least read mode. If mm != NULL,
// mm->mmap_lock must also be held in at least read mode.
uvm_api_range_type_t uvm_api_range_type_check(uvm_va_space_t *va_space, struct mm_struct *mm, NvU64 base, NvU64 length);
@@ -228,6 +232,7 @@ NV_STATUS uvm_api_create_external_range(UVM_CREATE_EXTERNAL_RANGE_PARAMS *params
NV_STATUS uvm_api_map_external_allocation(UVM_MAP_EXTERNAL_ALLOCATION_PARAMS *params, struct file *filp);
NV_STATUS uvm_api_map_external_sparse(UVM_MAP_EXTERNAL_SPARSE_PARAMS *params, struct file *filp);
NV_STATUS uvm_api_free(UVM_FREE_PARAMS *params, struct file *filp);
NV_STATUS uvm_api_discard(UVM_DISCARD_PARAMS *params, struct file *filp);
NV_STATUS uvm_api_prevent_migration_range_groups(UVM_PREVENT_MIGRATION_RANGE_GROUPS_PARAMS *params, struct file *filp);
NV_STATUS uvm_api_allow_migration_range_groups(UVM_ALLOW_MIGRATION_RANGE_GROUPS_PARAMS *params, struct file *filp);
NV_STATUS uvm_api_set_preferred_location(const UVM_SET_PREFERRED_LOCATION_PARAMS *params, struct file *filp);