cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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intel_scu_pcidrv.c (1239B)


      1// SPDX-License-Identifier: GPL-2.0
      2/*
      3 * PCI driver for the Intel SCU.
      4 *
      5 * Copyright (C) 2008-2010, 2015, 2020 Intel Corporation
      6 * Authors: Sreedhara DS (sreedhara.ds@intel.com)
      7 *	    Mika Westerberg <mika.westerberg@linux.intel.com>
      8 */
      9
     10#include <linux/errno.h>
     11#include <linux/init.h>
     12#include <linux/pci.h>
     13
     14#include <asm/intel-mid.h>
     15#include <asm/intel_scu_ipc.h>
     16
     17static int intel_scu_pci_probe(struct pci_dev *pdev,
     18			       const struct pci_device_id *id)
     19{
     20	struct intel_scu_ipc_data scu_data = {};
     21	struct intel_scu_ipc_dev *scu;
     22	int ret;
     23
     24	ret = pcim_enable_device(pdev);
     25	if (ret)
     26		return ret;
     27
     28	scu_data.mem = pdev->resource[0];
     29	scu_data.irq = pdev->irq;
     30
     31	scu = intel_scu_ipc_register(&pdev->dev, &scu_data);
     32	return PTR_ERR_OR_ZERO(scu);
     33}
     34
     35static const struct pci_device_id pci_ids[] = {
     36	{ PCI_VDEVICE(INTEL, 0x080e) },
     37	{ PCI_VDEVICE(INTEL, 0x08ea) },
     38	{ PCI_VDEVICE(INTEL, 0x0a94) },
     39	{ PCI_VDEVICE(INTEL, 0x11a0) },
     40	{ PCI_VDEVICE(INTEL, 0x1a94) },
     41	{ PCI_VDEVICE(INTEL, 0x5a94) },
     42	{}
     43};
     44
     45static struct pci_driver intel_scu_pci_driver = {
     46	.driver = {
     47		.suppress_bind_attrs = true,
     48	},
     49	.name = "intel_scu",
     50	.id_table = pci_ids,
     51	.probe = intel_scu_pci_probe,
     52};
     53
     54builtin_pci_driver(intel_scu_pci_driver);