Release 4.18 drivers/scsi/cxlflash/backend.h

/*
 * 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 */
Overall Contributors
Person
Tokens
Prop
Commits
CommitProp
Matthew R. Ochs
300
79.16%
1
16.67%
Uma Krishnan
79
20.84%
5
83.33%
Total
379
100.00%
6
100.00%
Directory: drivers/scsi/cxlflash

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