162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0-or-later */ 262306a36Sopenharmony_ci/* 362306a36Sopenharmony_ci * CXL Flash Device Driver 462306a36Sopenharmony_ci * 562306a36Sopenharmony_ci * Written by: Matthew R. Ochs <mrochs@linux.vnet.ibm.com>, IBM Corporation 662306a36Sopenharmony_ci * Uma Krishnan <ukrishn@linux.vnet.ibm.com>, IBM Corporation 762306a36Sopenharmony_ci * 862306a36Sopenharmony_ci * Copyright (C) 2018 IBM Corporation 962306a36Sopenharmony_ci */ 1062306a36Sopenharmony_ci 1162306a36Sopenharmony_ci#ifndef _CXLFLASH_BACKEND_H 1262306a36Sopenharmony_ci#define _CXLFLASH_BACKEND_H 1362306a36Sopenharmony_ci 1462306a36Sopenharmony_ciextern const struct cxlflash_backend_ops cxlflash_cxl_ops; 1562306a36Sopenharmony_ciextern const struct cxlflash_backend_ops cxlflash_ocxl_ops; 1662306a36Sopenharmony_ci 1762306a36Sopenharmony_cistruct cxlflash_backend_ops { 1862306a36Sopenharmony_ci struct module *module; 1962306a36Sopenharmony_ci void __iomem * (*psa_map)(void *ctx_cookie); 2062306a36Sopenharmony_ci void (*psa_unmap)(void __iomem *addr); 2162306a36Sopenharmony_ci int (*process_element)(void *ctx_cookie); 2262306a36Sopenharmony_ci int (*map_afu_irq)(void *ctx_cookie, int num, irq_handler_t handler, 2362306a36Sopenharmony_ci void *cookie, char *name); 2462306a36Sopenharmony_ci void (*unmap_afu_irq)(void *ctx_cookie, int num, void *cookie); 2562306a36Sopenharmony_ci u64 (*get_irq_objhndl)(void *ctx_cookie, int irq); 2662306a36Sopenharmony_ci int (*start_context)(void *ctx_cookie); 2762306a36Sopenharmony_ci int (*stop_context)(void *ctx_cookie); 2862306a36Sopenharmony_ci int (*afu_reset)(void *ctx_cookie); 2962306a36Sopenharmony_ci void (*set_master)(void *ctx_cookie); 3062306a36Sopenharmony_ci void * (*get_context)(struct pci_dev *dev, void *afu_cookie); 3162306a36Sopenharmony_ci void * (*dev_context_init)(struct pci_dev *dev, void *afu_cookie); 3262306a36Sopenharmony_ci int (*release_context)(void *ctx_cookie); 3362306a36Sopenharmony_ci void (*perst_reloads_same_image)(void *afu_cookie, bool image); 3462306a36Sopenharmony_ci ssize_t (*read_adapter_vpd)(struct pci_dev *dev, void *buf, 3562306a36Sopenharmony_ci size_t count); 3662306a36Sopenharmony_ci int (*allocate_afu_irqs)(void *ctx_cookie, int num); 3762306a36Sopenharmony_ci void (*free_afu_irqs)(void *ctx_cookie); 3862306a36Sopenharmony_ci void * (*create_afu)(struct pci_dev *dev); 3962306a36Sopenharmony_ci void (*destroy_afu)(void *afu_cookie); 4062306a36Sopenharmony_ci struct file * (*get_fd)(void *ctx_cookie, struct file_operations *fops, 4162306a36Sopenharmony_ci int *fd); 4262306a36Sopenharmony_ci void * (*fops_get_context)(struct file *file); 4362306a36Sopenharmony_ci int (*start_work)(void *ctx_cookie, u64 irqs); 4462306a36Sopenharmony_ci int (*fd_mmap)(struct file *file, struct vm_area_struct *vm); 4562306a36Sopenharmony_ci int (*fd_release)(struct inode *inode, struct file *file); 4662306a36Sopenharmony_ci}; 4762306a36Sopenharmony_ci 4862306a36Sopenharmony_ci#endif /* _CXLFLASH_BACKEND_H */ 49