blob: 55638d19c2fd3a215ceb7ec9d0cd1d57a3b6d92f [file] [log] [blame]
* CXL Flash Device Driver
* Written by: Matthew R. Ochs <>, IBM Corporation
* Uma Krishnan <>, IBM Corporation
* Copyright (C) 2018 IBM Corporation
* 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.
extern const struct cxlflash_backend_ops cxlflash_cxl_ops;
extern const struct cxlflash_backend_ops cxlflash_ocxl_ops;
struct cxlflash_backend_ops {
struct module *module;
void __iomem * (*psa_map)(void *ctx_cookie);
void (*psa_unmap)(void __iomem *addr);
int (*process_element)(void *ctx_cookie);
int (*map_afu_irq)(void *ctx_cookie, int num, irq_handler_t handler,
void *cookie, char *name);
void (*unmap_afu_irq)(void *ctx_cookie, int num, void *cookie);
u64 (*get_irq_objhndl)(void *ctx_cookie, int irq);
int (*start_context)(void *ctx_cookie);
int (*stop_context)(void *ctx_cookie);
int (*afu_reset)(void *ctx_cookie);
void (*set_master)(void *ctx_cookie);
void * (*get_context)(struct pci_dev *dev, void *afu_cookie);
void * (*dev_context_init)(struct pci_dev *dev, void *afu_cookie);
int (*release_context)(void *ctx_cookie);
void (*perst_reloads_same_image)(void *afu_cookie, bool image);
ssize_t (*read_adapter_vpd)(struct pci_dev *dev, void *buf,
size_t count);
int (*allocate_afu_irqs)(void *ctx_cookie, int num);
void (*free_afu_irqs)(void *ctx_cookie);
void * (*create_afu)(struct pci_dev *dev);
void (*destroy_afu)(void *afu_cookie);
struct file * (*get_fd)(void *ctx_cookie, struct file_operations *fops,
int *fd);
void * (*fops_get_context)(struct file *file);
int (*start_work)(void *ctx_cookie, u64 irqs);
int (*fd_mmap)(struct file *file, struct vm_area_struct *vm);
int (*fd_release)(struct inode *inode, struct file *file);
#endif /* _CXLFLASH_BACKEND_H */