18c2ecf20Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0-or-later */ 28c2ecf20Sopenharmony_ci/* 38c2ecf20Sopenharmony_ci * CXL Flash Device Driver 48c2ecf20Sopenharmony_ci * 58c2ecf20Sopenharmony_ci * Written by: Matthew R. Ochs <mrochs@linux.vnet.ibm.com>, IBM Corporation 68c2ecf20Sopenharmony_ci * Uma Krishnan <ukrishn@linux.vnet.ibm.com>, IBM Corporation 78c2ecf20Sopenharmony_ci * 88c2ecf20Sopenharmony_ci * Copyright (C) 2018 IBM Corporation 98c2ecf20Sopenharmony_ci */ 108c2ecf20Sopenharmony_ci 118c2ecf20Sopenharmony_ci#ifndef _CXLFLASH_BACKEND_H 128c2ecf20Sopenharmony_ci#define _CXLFLASH_BACKEND_H 138c2ecf20Sopenharmony_ci 148c2ecf20Sopenharmony_ciextern const struct cxlflash_backend_ops cxlflash_cxl_ops; 158c2ecf20Sopenharmony_ciextern const struct cxlflash_backend_ops cxlflash_ocxl_ops; 168c2ecf20Sopenharmony_ci 178c2ecf20Sopenharmony_cistruct cxlflash_backend_ops { 188c2ecf20Sopenharmony_ci struct module *module; 198c2ecf20Sopenharmony_ci void __iomem * (*psa_map)(void *ctx_cookie); 208c2ecf20Sopenharmony_ci void (*psa_unmap)(void __iomem *addr); 218c2ecf20Sopenharmony_ci int (*process_element)(void *ctx_cookie); 228c2ecf20Sopenharmony_ci int (*map_afu_irq)(void *ctx_cookie, int num, irq_handler_t handler, 238c2ecf20Sopenharmony_ci void *cookie, char *name); 248c2ecf20Sopenharmony_ci void (*unmap_afu_irq)(void *ctx_cookie, int num, void *cookie); 258c2ecf20Sopenharmony_ci u64 (*get_irq_objhndl)(void *ctx_cookie, int irq); 268c2ecf20Sopenharmony_ci int (*start_context)(void *ctx_cookie); 278c2ecf20Sopenharmony_ci int (*stop_context)(void *ctx_cookie); 288c2ecf20Sopenharmony_ci int (*afu_reset)(void *ctx_cookie); 298c2ecf20Sopenharmony_ci void (*set_master)(void *ctx_cookie); 308c2ecf20Sopenharmony_ci void * (*get_context)(struct pci_dev *dev, void *afu_cookie); 318c2ecf20Sopenharmony_ci void * (*dev_context_init)(struct pci_dev *dev, void *afu_cookie); 328c2ecf20Sopenharmony_ci int (*release_context)(void *ctx_cookie); 338c2ecf20Sopenharmony_ci void (*perst_reloads_same_image)(void *afu_cookie, bool image); 348c2ecf20Sopenharmony_ci ssize_t (*read_adapter_vpd)(struct pci_dev *dev, void *buf, 358c2ecf20Sopenharmony_ci size_t count); 368c2ecf20Sopenharmony_ci int (*allocate_afu_irqs)(void *ctx_cookie, int num); 378c2ecf20Sopenharmony_ci void (*free_afu_irqs)(void *ctx_cookie); 388c2ecf20Sopenharmony_ci void * (*create_afu)(struct pci_dev *dev); 398c2ecf20Sopenharmony_ci void (*destroy_afu)(void *afu_cookie); 408c2ecf20Sopenharmony_ci struct file * (*get_fd)(void *ctx_cookie, struct file_operations *fops, 418c2ecf20Sopenharmony_ci int *fd); 428c2ecf20Sopenharmony_ci void * (*fops_get_context)(struct file *file); 438c2ecf20Sopenharmony_ci int (*start_work)(void *ctx_cookie, u64 irqs); 448c2ecf20Sopenharmony_ci int (*fd_mmap)(struct file *file, struct vm_area_struct *vm); 458c2ecf20Sopenharmony_ci int (*fd_release)(struct inode *inode, struct file *file); 468c2ecf20Sopenharmony_ci}; 478c2ecf20Sopenharmony_ci 488c2ecf20Sopenharmony_ci#endif /* _CXLFLASH_BACKEND_H */ 49