Revision 41ba806f40a9a4c4f4c04a474bf368160f1baa2c authored by Ben Skeggs on 13 January 2021, 07:12:52 UTC, committed by Ben Skeggs on 15 January 2021, 00:25:21 UTC
No VPR scrub. GA102 and GA104 have a new VRAM size detection method. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
1 parent de4781d
zstd_common.c
/**
* Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of https://github.com/facebook/zstd.
* An additional grant of patent rights can be found in the PATENTS file in the
* same directory.
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License version 2 as published by the
* Free Software Foundation. This program is dual-licensed; you may select
* either version 2 of the GNU General Public License ("GPL") or BSD license
* ("BSD").
*/
/*-*************************************
* Dependencies
***************************************/
#include "error_private.h"
#include "zstd_internal.h" /* declaration of ZSTD_isError, ZSTD_getErrorName, ZSTD_getErrorCode, ZSTD_getErrorString, ZSTD_versionNumber */
#include <linux/kernel.h>
/*=**************************************************************
* Custom allocator
****************************************************************/
#define stack_push(stack, size) \
({ \
void *const ptr = ZSTD_PTR_ALIGN((stack)->ptr); \
(stack)->ptr = (char *)ptr + (size); \
(stack)->ptr <= (stack)->end ? ptr : NULL; \
})
ZSTD_customMem ZSTD_initStack(void *workspace, size_t workspaceSize)
{
ZSTD_customMem stackMem = {ZSTD_stackAlloc, ZSTD_stackFree, workspace};
ZSTD_stack *stack = (ZSTD_stack *)workspace;
/* Verify preconditions */
if (!workspace || workspaceSize < sizeof(ZSTD_stack) || workspace != ZSTD_PTR_ALIGN(workspace)) {
ZSTD_customMem error = {NULL, NULL, NULL};
return error;
}
/* Initialize the stack */
stack->ptr = workspace;
stack->end = (char *)workspace + workspaceSize;
stack_push(stack, sizeof(ZSTD_stack));
return stackMem;
}
void *ZSTD_stackAllocAll(void *opaque, size_t *size)
{
ZSTD_stack *stack = (ZSTD_stack *)opaque;
*size = (BYTE const *)stack->end - (BYTE *)ZSTD_PTR_ALIGN(stack->ptr);
return stack_push(stack, *size);
}
void *ZSTD_stackAlloc(void *opaque, size_t size)
{
ZSTD_stack *stack = (ZSTD_stack *)opaque;
return stack_push(stack, size);
}
void ZSTD_stackFree(void *opaque, void *address)
{
(void)opaque;
(void)address;
}
void *ZSTD_malloc(size_t size, ZSTD_customMem customMem) { return customMem.customAlloc(customMem.opaque, size); }
void ZSTD_free(void *ptr, ZSTD_customMem customMem)
{
if (ptr != NULL)
customMem.customFree(customMem.opaque, ptr);
}
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