/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* CXL Flash Device Driver
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*
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* Written by: Matthew R. Ochs <mrochs@linux.vnet.ibm.com>, IBM Corporation
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* Uma Krishnan <ukrishn@linux.vnet.ibm.com>, IBM Corporation
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*
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* Copyright (C) 2018 IBM Corporation
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*/
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#ifndef _CXLFLASH_BACKEND_H
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#define _CXLFLASH_BACKEND_H
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extern const struct cxlflash_backend_ops cxlflash_cxl_ops;
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extern const struct cxlflash_backend_ops cxlflash_ocxl_ops;
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struct cxlflash_backend_ops {
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struct module *module;
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void __iomem * (*psa_map)(void *ctx_cookie);
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void (*psa_unmap)(void __iomem *addr);
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int (*process_element)(void *ctx_cookie);
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int (*map_afu_irq)(void *ctx_cookie, int num, irq_handler_t handler,
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void *cookie, char *name);
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void (*unmap_afu_irq)(void *ctx_cookie, int num, void *cookie);
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u64 (*get_irq_objhndl)(void *ctx_cookie, int irq);
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int (*start_context)(void *ctx_cookie);
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int (*stop_context)(void *ctx_cookie);
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int (*afu_reset)(void *ctx_cookie);
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void (*set_master)(void *ctx_cookie);
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void * (*get_context)(struct pci_dev *dev, void *afu_cookie);
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void * (*dev_context_init)(struct pci_dev *dev, void *afu_cookie);
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int (*release_context)(void *ctx_cookie);
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void (*perst_reloads_same_image)(void *afu_cookie, bool image);
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ssize_t (*read_adapter_vpd)(struct pci_dev *dev, void *buf,
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size_t count);
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int (*allocate_afu_irqs)(void *ctx_cookie, int num);
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void (*free_afu_irqs)(void *ctx_cookie);
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void * (*create_afu)(struct pci_dev *dev);
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void (*destroy_afu)(void *afu_cookie);
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struct file * (*get_fd)(void *ctx_cookie, struct file_operations *fops,
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int *fd);
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void * (*fops_get_context)(struct file *file);
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int (*start_work)(void *ctx_cookie, u64 irqs);
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int (*fd_mmap)(struct file *file, struct vm_area_struct *vm);
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int (*fd_release)(struct inode *inode, struct file *file);
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};
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#endif /* _CXLFLASH_BACKEND_H */
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