cregit-Linux how code gets into the kernel

Release 4.11 drivers/soc/fsl/qbman/dpaa_sys.h

/* Copyright 2008 - 2016 Freescale Semiconductor, Inc.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of Freescale Semiconductor nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * ALTERNATIVELY, this software may be distributed under the terms of the
 * GNU General Public License ("GPL") as published by the Free Software
 * Foundation, either version 2 of that License or (at your option) any
 * later version.
 *
 * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef __DPAA_SYS_H

#define __DPAA_SYS_H

#include <linux/cpu.h>
#include <linux/slab.h>
#include <linux/module.h>
#include <linux/interrupt.h>
#include <linux/kthread.h>
#include <linux/sched/signal.h>
#include <linux/vmalloc.h>
#include <linux/platform_device.h>
#include <linux/of.h>
#include <linux/of_reserved_mem.h>
#include <linux/prefetch.h>
#include <linux/genalloc.h>
#include <asm/cacheflush.h>

/* For 2-element tables related to cache-inhibited and cache-enabled mappings */

#define DPAA_PORTAL_CE 0

#define DPAA_PORTAL_CI 1

#if (L1_CACHE_BYTES != 32) && (L1_CACHE_BYTES != 64)
#error "Unsupported Cacheline Size"
#endif


static inline void dpaa_flush(void *p) { #ifdef CONFIG_PPC flush_dcache_range((unsigned long)p, (unsigned long)p+64); #elif defined(CONFIG_ARM32) __cpuc_flush_dcache_area(p, 64); #elif defined(CONFIG_ARM64) __flush_dcache_area(p, 64); #endif }

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Claudiu Manoil59100.00%1100.00%
Total59100.00%1100.00%

#define dpaa_invalidate(p) dpaa_flush(p) #define dpaa_zero(p) memset(p, 0, 64)
static inline void dpaa_touch_ro(void *p) { #if (L1_CACHE_BYTES == 32) prefetch(p+32); #endif prefetch(p); }

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Claudiu Manoil32100.00%1100.00%
Total32100.00%1100.00%

/* Commonly used combo */
static inline void dpaa_invalidate_touch_ro(void *p) { dpaa_invalidate(p); dpaa_touch_ro(p); }

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Claudiu Manoil21100.00%1100.00%
Total21100.00%1100.00%

#ifdef CONFIG_FSL_DPAA_CHECKING #define DPAA_ASSERT(x) WARN_ON(!(x)) #else #define DPAA_ASSERT(x) #endif /* cyclic helper for rings */
static inline u8 dpaa_cyc_diff(u8 ringsize, u8 first, u8 last) { /* 'first' is included, 'last' is excluded */ if (first <= last) return last - first; return ringsize + last - first; }

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PersonTokensPropCommitsCommitProp
Claudiu Manoil35100.00%1100.00%
Total35100.00%1100.00%

/* Offset applied to genalloc pools due to zero being an error return */ #define DPAA_GENALLOC_OFF 0x80000000 #endif /* __DPAA_SYS_H */

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PersonTokensPropCommitsCommitProp
Claudiu Manoil25897.73%133.33%
Ingo Molnar31.14%133.33%
Madalin Bucur31.14%133.33%
Total264100.00%3100.00%
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