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63 lines
2.3 KiB
C
63 lines
2.3 KiB
C
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/*******************************************************************************
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Copyright (c) 2015 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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deal in the Software without restriction, including without limitation the
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rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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sell copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be
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included in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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DEALINGS IN THE SOFTWARE.
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*******************************************************************************/
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#ifndef __UVM_TEST_RNG_H__
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#define __UVM_TEST_RNG_H__
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#include "uvm_test_ioctl.h"
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#include "uvm_linux.h"
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// Seed-able RNG for generating test data
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typedef struct
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{
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unsigned int z;
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unsigned int w;
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unsigned int jsr;
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unsigned int jcong;
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} uvm_test_rng_t;
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void uvm_test_rng_init(uvm_test_rng_t *rng, NvU32 seed);
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// Fill the input buffer with random data
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void uvm_test_rng_memset(uvm_test_rng_t *rng, void *ptr, size_t size);
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// Uniform distribution
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NvU32 uvm_test_rng_32(uvm_test_rng_t *rng);
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NvU64 uvm_test_rng_64(uvm_test_rng_t *rng);
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NvUPtr uvm_test_rng_ptr(uvm_test_rng_t *rng);
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NvU32 uvm_test_rng_range_32(uvm_test_rng_t *rng, NvU32 lo, NvU32 hi);
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NvU64 uvm_test_rng_range_64(uvm_test_rng_t *rng, NvU64 lo, NvU64 hi);
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NvUPtr uvm_test_rng_range_ptr(uvm_test_rng_t *rng, NvUPtr lo, NvUPtr hi);
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// Logarithmic distribution
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NvU64 uvm_test_rng_log64(uvm_test_rng_t *rng);
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NvU64 uvm_test_rng_range_log64(uvm_test_rng_t *rng, NvU64 lo, NvU64 hi);
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NV_STATUS uvm_test_rng_sanity(UVM_TEST_RNG_SANITY_PARAMS *params, struct file *file);
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#endif // __UVM_TEST_RNG_H__
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