| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * CXL Flash Device Driver |
| 3 | * |
| 4 | * Written by: Matthew R. Ochs <mrochs@linux.vnet.ibm.com>, IBM Corporation |
| 5 | * Uma Krishnan <ukrishn@linux.vnet.ibm.com>, IBM Corporation |
| 6 | * |
| 7 | * Copyright (C) 2018 IBM Corporation |
| 8 | * |
| 9 | * This program is free software; you can redistribute it and/or |
| 10 | * modify it under the terms of the GNU General Public License |
| 11 | * as published by the Free Software Foundation; either version |
| 12 | * 2 of the License, or (at your option) any later version. |
| 13 | */ |
| 14 | |
| 15 | #ifndef _CXLFLASH_BACKEND_H |
| 16 | #define _CXLFLASH_BACKEND_H |
| 17 | |
| 18 | extern const struct cxlflash_backend_ops cxlflash_cxl_ops; |
| 19 | extern const struct cxlflash_backend_ops cxlflash_ocxl_ops; |
| 20 | |
| 21 | struct cxlflash_backend_ops { |
| 22 | struct module *module; |
| 23 | void __iomem * (*psa_map)(void *ctx_cookie); |
| 24 | void (*psa_unmap)(void __iomem *addr); |
| 25 | int (*process_element)(void *ctx_cookie); |
| 26 | int (*map_afu_irq)(void *ctx_cookie, int num, irq_handler_t handler, |
| 27 | void *cookie, char *name); |
| 28 | void (*unmap_afu_irq)(void *ctx_cookie, int num, void *cookie); |
| 29 | u64 (*get_irq_objhndl)(void *ctx_cookie, int irq); |
| 30 | int (*start_context)(void *ctx_cookie); |
| 31 | int (*stop_context)(void *ctx_cookie); |
| 32 | int (*afu_reset)(void *ctx_cookie); |
| 33 | void (*set_master)(void *ctx_cookie); |
| 34 | void * (*get_context)(struct pci_dev *dev, void *afu_cookie); |
| 35 | void * (*dev_context_init)(struct pci_dev *dev, void *afu_cookie); |
| 36 | int (*release_context)(void *ctx_cookie); |
| 37 | void (*perst_reloads_same_image)(void *afu_cookie, bool image); |
| 38 | ssize_t (*read_adapter_vpd)(struct pci_dev *dev, void *buf, |
| 39 | size_t count); |
| 40 | int (*allocate_afu_irqs)(void *ctx_cookie, int num); |
| 41 | void (*free_afu_irqs)(void *ctx_cookie); |
| 42 | void * (*create_afu)(struct pci_dev *dev); |
| 43 | void (*destroy_afu)(void *afu_cookie); |
| 44 | struct file * (*get_fd)(void *ctx_cookie, struct file_operations *fops, |
| 45 | int *fd); |
| 46 | void * (*fops_get_context)(struct file *file); |
| 47 | int (*start_work)(void *ctx_cookie, u64 irqs); |
| 48 | int (*fd_mmap)(struct file *file, struct vm_area_struct *vm); |
| 49 | int (*fd_release)(struct inode *inode, struct file *file); |
| 50 | }; |
| 51 | |
| 52 | #endif /* _CXLFLASH_BACKEND_H */ |