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Name	Size	Permission
altera.h	803 B	-rw-r--r--
cxl-base.h	1017 B	-rw-r--r--
cxl.h	9.53 KB	-rw-r--r--
cxllib.h	3.28 KB	-rw-r--r--
ocxl-config.h	1.9 KB	-rw-r--r--
ocxl.h	14.16 KB	-rw-r--r--

Code Editor : cxl-base.h

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * Copyright 2014 IBM Corp.
 */

#ifndef _MISC_CXL_BASE_H
#define _MISC_CXL_BASE_H

#ifdef CONFIG_CXL_BASE

#define CXL_IRQ_RANGES 4

struct cxl_irq_ranges {
	irq_hw_number_t offset[CXL_IRQ_RANGES];
	irq_hw_number_t range[CXL_IRQ_RANGES];
};

extern atomic_t cxl_use_count;

static inline bool cxl_ctx_in_use(void)
{
       return (atomic_read(&cxl_use_count) != 0);
}

static inline void cxl_ctx_get(void)
{
       atomic_inc(&cxl_use_count);
}

static inline void cxl_ctx_put(void)
{
       atomic_dec(&cxl_use_count);
}

struct cxl_afu *cxl_afu_get(struct cxl_afu *afu);
void cxl_afu_put(struct cxl_afu *afu);
void cxl_slbia(struct mm_struct *mm);

#else /* CONFIG_CXL_BASE */

static inline bool cxl_ctx_in_use(void) { return false; }
static inline struct cxl_afu *cxl_afu_get(struct cxl_afu *afu) { return NULL; }
static inline void cxl_afu_put(struct cxl_afu *afu) {}
static inline void cxl_slbia(struct mm_struct *mm) {}

#endif /* CONFIG_CXL_BASE */

#endif

${this.title}

Code Editor : cxl-base.h