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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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25b8e08e83
As staging to support future accelerator transports, add a shim layer such that the underlying services the cxlflash driver requires can be conditional upon the accelerator infrastructure. Signed-off-by: Matthew R. Ochs <mrochs@linux.vnet.ibm.com> Signed-off-by: Uma Krishnan <ukrishn@linux.vnet.ibm.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
42 lines
1.5 KiB
C
42 lines
1.5 KiB
C
/*
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* CXL Flash Device Driver
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*
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* Written by: Matthew R. Ochs <mrochs@linux.vnet.ibm.com>, IBM Corporation
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* Uma Krishnan <ukrishn@linux.vnet.ibm.com>, IBM Corporation
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*
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* Copyright (C) 2018 IBM Corporation
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*/
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extern const struct cxlflash_backend_ops cxlflash_cxl_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 *);
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void (*psa_unmap)(void __iomem *);
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int (*process_element)(void *);
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int (*map_afu_irq)(void *, int, irq_handler_t, void *, char *);
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void (*unmap_afu_irq)(void *, int, void *);
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int (*start_context)(void *);
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int (*stop_context)(void *);
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int (*afu_reset)(void *);
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void (*set_master)(void *);
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void * (*get_context)(struct pci_dev *, void *);
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void * (*dev_context_init)(struct pci_dev *, void *);
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int (*release_context)(void *);
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void (*perst_reloads_same_image)(void *, bool);
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ssize_t (*read_adapter_vpd)(struct pci_dev *, void *, size_t);
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int (*allocate_afu_irqs)(void *, int);
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void (*free_afu_irqs)(void *);
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void * (*create_afu)(struct pci_dev *);
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struct file * (*get_fd)(void *, struct file_operations *, int *);
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void * (*fops_get_context)(struct file *);
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int (*start_work)(void *, u64);
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int (*fd_mmap)(struct file *, struct vm_area_struct *);
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int (*fd_release)(struct inode *, struct file *);
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};
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