cregit-Linux how code gets into the kernel

Release 4.12 include/misc/cxl-base.h

Directory: include/misc
/*
 * Copyright 2014 IBM Corp.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version
 * 2 of the License, or (at your option) any later version.
 */

#ifndef _MISC_CXL_BASE_H

#define _MISC_CXL_BASE_H

#include <misc/cxl.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); }

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

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

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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); bool cxl_pci_associate_default_context(struct pci_dev *dev, struct cxl_afu *afu); void cxl_pci_disable_device(struct pci_dev *dev); int cxl_cx4_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type); void cxl_cx4_teardown_msi_irqs(struct pci_dev *pdev); #else /* CONFIG_CXL_BASE */
static inline bool cxl_ctx_in_use(void) { return false; }

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static inline struct cxl_afu *cxl_afu_get(struct cxl_afu *afu) { return NULL; }

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static inline void cxl_afu_put(struct cxl_afu *afu) {}

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Ian Munsie11100.00%1100.00%
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static inline void cxl_slbia(struct mm_struct *mm) {}

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static inline bool cxl_pci_associate_default_context(struct pci_dev *dev, struct cxl_afu *afu) { return false; }

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static inline void cxl_pci_disable_device(struct pci_dev *dev) {}

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Ian Munsie11100.00%1100.00%
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static inline int cxl_cx4_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type) { return -ENODEV; }

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static inline void cxl_cx4_teardown_msi_irqs(struct pci_dev *pdev) {}

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#endif /* CONFIG_CXL_BASE */ #endif

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Ian Munsie28599.30%480.00%
Michael Neuling20.70%120.00%
Total287100.00%5100.00%
Directory: include/misc
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