| /* |
| * 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 */ |
