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/*
* 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.
*/
/* OCXL hardware AFU associated with the host */
struct ocxl_hw_afu {
struct ocxlflash_context *ocxl_ctx; /* Host context */
struct pci_dev *pdev; /* PCI device */
struct device *dev; /* Generic device */
struct ocxl_fn_config fcfg; /* DVSEC config of the function */
struct ocxl_afu_config acfg; /* AFU configuration data */
int fn_actag_base; /* Function acTag base */
int fn_actag_enabled; /* Function acTag number enabled */
int afu_actag_base; /* AFU acTag base */
int afu_actag_enabled; /* AFU acTag number enabled */
struct idr idr; /* IDR to manage contexts */
int max_pasid; /* Maximum number of contexts */
bool is_present; /* Function has AFUs defined */
};
struct ocxlflash_context {
struct ocxl_hw_afu *hw_afu; /* HW AFU back pointer */
struct address_space *mapping; /* Mapping for pseudo filesystem */
bool master; /* Whether this is a master context */
int pe; /* Process element */
};
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