/* * Copyright 2014-2016 IBM Corp. * * 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. */ #include <linux/pci.h> #include "cxl.h" bool _cxl_pci_associate_default_context(struct pci_dev *dev, struct cxl_afu *afu) { struct cxl_context *ctx; /* * Allocate a context to do cxl things to. This is used for interrupts * in the peer model using a real phb, and if we eventually do DMA ops * in the virtual phb, we'll need a default context to attach them to. */ ctx = cxl_dev_context_init(dev); if (IS_ERR(ctx)) return false; dev->dev.archdata.cxl_ctx = ctx; return (cxl_ops->afu_check_and_enable(afu) == 0); } /* exported via cxl_base */ void _cxl_pci_disable_device(struct pci_dev *dev) { struct cxl_context *ctx = cxl_get_context(dev); if (ctx) { if (ctx->status == STARTED) { dev_err(&dev->dev, "Default context started\n"); return; } dev->dev.archdata.cxl_ctx = NULL; cxl_release_context(ctx); } } /* exported via cxl_base */ |