* Copyright 2010-2017 Intel Corporation.
* 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 distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
* Disclaimer: The codes contained in these modules may be specific to
* the Intel Software Development Platform codenamed Knights Ferry,
* and the Intel product codenamed Knights Corner, and are not backward
* compatible with other Intel products. Additionally, Intel will NOT
* support the codes or instruction set in future products.
* Intel offers no warranty of any kind regarding the code. This code is
* licensed on an "AS IS" basis and Intel is not obligated to provide
* any support, assistance, installation, training, or other services
* of any kind. Intel is also not obligated to provide any updates,
* enhancements or extensions. Intel specifically disclaims any warranty
* of merchantability, non-infringement, fitness for any particular
* purpose, and any other warranty.
* Further, Intel disclaims all liability of any kind, including but
* not limited to liability for infringement of any proprietary rights,
* relating to the use of the code, even if Intel is notified of the
* possibility of such liability. Except as expressly stated in an Intel
* license agreement provided with this code and agreed upon with Intel,
* no license, express or implied, by estoppel or otherwise, to any
* intellectual property rights is granted herein.
#define MAX_UNALIGNED_BUF_SIZE (1024 * 1024ULL)
#define KMEM_UNALIGNED_BUF_SIZE (MAX_UNALIGNED_BUF_SIZE + (L1_CACHE_BYTES << 1))
extern struct kmem_cache
*unaligned_cache
;
static inline void micscif_kmem_cache_free(void *buffer
)
kmem_cache_free(unaligned_cache
, buffer
);
static inline void *micscif_kmem_cache_alloc(void)
return kmem_cache_alloc(unaligned_cache
, GFP_KERNEL
|GFP_ATOMIC
);
static inline struct kmem_cache
*micscif_kmem_cache_create(void)
return kmem_cache_create("Unaligned_DMA", KMEM_UNALIGNED_BUF_SIZE
, 0, SLAB_HWCACHE_ALIGN
, NULL
);
static inline void micscif_kmem_cache_destroy(void)
kmem_cache_destroy(unaligned_cache
);