Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0-or-later */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  * CXL Flash Device Driver
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  * Written by: Matthew R. Ochs <mrochs@linux.vnet.ibm.com>, IBM Corporation
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  *             Uma Krishnan <ukrishn@linux.vnet.ibm.com>, IBM Corporation
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8)  * Copyright (C) 2018 IBM Corporation
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #ifndef _CXLFLASH_BACKEND_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #define _CXLFLASH_BACKEND_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) extern const struct cxlflash_backend_ops cxlflash_cxl_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) extern const struct cxlflash_backend_ops cxlflash_ocxl_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) struct cxlflash_backend_ops {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 	struct module *module;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 	void __iomem * (*psa_map)(void *ctx_cookie);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 	void (*psa_unmap)(void __iomem *addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 	int (*process_element)(void *ctx_cookie);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 	int (*map_afu_irq)(void *ctx_cookie, int num, irq_handler_t handler,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 			   void *cookie, char *name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 	void (*unmap_afu_irq)(void *ctx_cookie, int num, void *cookie);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 	u64 (*get_irq_objhndl)(void *ctx_cookie, int irq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 	int (*start_context)(void *ctx_cookie);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 	int (*stop_context)(void *ctx_cookie);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 	int (*afu_reset)(void *ctx_cookie);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	void (*set_master)(void *ctx_cookie);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 	void * (*get_context)(struct pci_dev *dev, void *afu_cookie);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 	void * (*dev_context_init)(struct pci_dev *dev, void *afu_cookie);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 	int (*release_context)(void *ctx_cookie);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 	void (*perst_reloads_same_image)(void *afu_cookie, bool image);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 	ssize_t (*read_adapter_vpd)(struct pci_dev *dev, void *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 				    size_t count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 	int (*allocate_afu_irqs)(void *ctx_cookie, int num);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 	void (*free_afu_irqs)(void *ctx_cookie);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 	void * (*create_afu)(struct pci_dev *dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 	void (*destroy_afu)(void *afu_cookie);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 	struct file * (*get_fd)(void *ctx_cookie, struct file_operations *fops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 				int *fd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 	void * (*fops_get_context)(struct file *file);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 	int (*start_work)(void *ctx_cookie, u64 irqs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 	int (*fd_mmap)(struct file *file, struct vm_area_struct *vm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 	int (*fd_release)(struct inode *inode, struct file *file);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) #endif /* _CXLFLASH_BACKEND_H */