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- /* SPDX-License-Identifier: GPL-2.0-or-later */
- /*
- * CXL Flash Device Driver
- *
- * Written by: Matthew R. Ochs <[email protected]>, IBM Corporation
- * Uma Krishnan <[email protected]>, IBM Corporation
- *
- * Copyright (C) 2018 IBM Corporation
- */
- #ifndef _CXLFLASH_BACKEND_H
- #define _CXLFLASH_BACKEND_H
- 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 */
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