blob: f53808fa638ab6c90955a8c7bb8a280bbadbccaa [file] [log] [blame]
* 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
#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)
static inline void cxl_ctx_put(void)
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 */