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This commit is contained in:
Andy Ritger
2023-05-30 10:11:36 -07:00
parent 6dd092ddb7
commit eb5c7665a1
1403 changed files with 295367 additions and 86235 deletions
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21
kernel-open/nvidia-uvm/uvm_api.h
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@@ -201,21 +201,20 @@ static bool uvm_api_range_invalid_64k(NvU64 base, NvU64 length)
return uvm_api_range_invalid_aligned(base, length, UVM_PAGE_SIZE_64K);
}
// Returns true if the interval [start, start + length -1] is entirely covered
// by vmas.
//
// LOCKING: mm->mmap_lock must be held in at least read mode.
bool uvm_is_valid_vma_range(struct mm_struct *mm, NvU64 start, NvU64 length);
typedef enum
{
UVM_API_RANGE_TYPE_MANAGED,
UVM_API_RANGE_TYPE_HMM,
UVM_API_RANGE_TYPE_ATS,
UVM_API_RANGE_TYPE_INVALID
} uvm_api_range_type_t;
// Check that the interval [base, base + length) is fully covered by UVM
// managed ranges (NV_OK is returned), or (if ATS is enabled and mm != NULL)
// fully covered by valid vmas (NV_WARN_NOTHING_TO_DO is returned), or (if HMM
// is enabled and mm != NULL) fully covered by valid vmas (NV_OK is returned).
// Any other input results in a return status of NV_ERR_INVALID_ADDRESS.
// 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.
//
// 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.
NV_STATUS uvm_api_range_type_check(uvm_va_space_t *va_space, struct mm_struct *mm, NvU64 base, NvU64 length);
uvm_api_range_type_t uvm_api_range_type_check(uvm_va_space_t *va_space, struct mm_struct *mm, NvU64 base, NvU64 length);
NV_STATUS uvm_api_pageable_mem_access_on_gpu(UVM_PAGEABLE_MEM_ACCESS_ON_GPU_PARAMS *params, struct file *filp);
NV_STATUS uvm_api_register_gpu(UVM_REGISTER_GPU_PARAMS *params, struct file *filp);