1 // SPDX-License-Identifier: GPL-2.0+ 2 /* 3 * Pvpanic PCI Device Support 4 * 5 * Copyright (C) 2021 Oracle. 6 */ 7 8 #include <linux/errno.h> 9 #include <linux/module.h> 10 #include <linux/pci.h> 11 #include <linux/types.h> 12 13 #include "pvpanic.h" 14 15 #define PCI_DEVICE_ID_REDHAT_PVPANIC 0x0011 16 17 MODULE_AUTHOR("Mihai Carabas <mihai.carabas@oracle.com>"); 18 MODULE_DESCRIPTION("pvpanic device driver"); 19 MODULE_LICENSE("GPL"); 20 21 static int pvpanic_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) 22 { 23 void __iomem *base; 24 int ret; 25 26 ret = pcim_enable_device(pdev); 27 if (ret < 0) 28 return ret; 29 30 base = pcim_iomap(pdev, 0, 0); 31 if (!base) 32 return -ENOMEM; 33 34 return devm_pvpanic_probe(&pdev->dev, base); 35 } 36 37 static const struct pci_device_id pvpanic_pci_id_tbl[] = { 38 { PCI_DEVICE(PCI_VENDOR_ID_REDHAT, PCI_DEVICE_ID_REDHAT_PVPANIC)}, 39 {} 40 }; 41 MODULE_DEVICE_TABLE(pci, pvpanic_pci_id_tbl); 42 43 static struct pci_driver pvpanic_pci_driver = { 44 .name = "pvpanic-pci", 45 .id_table = pvpanic_pci_id_tbl, 46 .probe = pvpanic_pci_probe, 47 .dev_groups = pvpanic_dev_groups, 48 }; 49 module_pci_driver(pvpanic_pci_driver); 50