53 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			53 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
 | |
|  * CXL Flash Device Driver
 | |
|  *
 | |
|  * Written by: Matthew R. Ochs <mrochs@linux.vnet.ibm.com>, IBM Corporation
 | |
|  *             Uma Krishnan <ukrishn@linux.vnet.ibm.com>, IBM Corporation
 | |
|  *
 | |
|  * Copyright (C) 2018 IBM Corporation
 | |
|  *
 | |
|  * This program is free software; you can redistribute it and/or
 | |
|  * modify it under the terms of the GNU General Public License
 | |
|  * as published by the Free Software Foundation; either version
 | |
|  * 2 of the License, or (at your option) any later version.
 | |
|  */
 | |
| 
 | |
| #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 */
 |