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48 lines
1.8 KiB
48 lines
1.8 KiB
/* 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 <[email protected]>, IBM Corporation |
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* Uma Krishnan <[email protected]>, 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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