From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, UNPARSEABLE_RELAY,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 980E3C2D0A3 for ; Thu, 29 Oct 2020 12:25:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 35C5B2076A for ; Thu, 29 Oct 2020 12:25:57 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="yaU1RBFX" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726351AbgJ2MZ4 (ORCPT ); Thu, 29 Oct 2020 08:25:56 -0400 Received: from aserp2120.oracle.com ([141.146.126.78]:58010 "EHLO aserp2120.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725859AbgJ2MZz (ORCPT ); Thu, 29 Oct 2020 08:25:55 -0400 Received: from pps.filterd (aserp2120.oracle.com [127.0.0.1]) by aserp2120.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 09TCPLg3082772; Thu, 29 Oct 2020 12:25:54 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=from : to : cc : subject : date : message-id : in-reply-to : references; s=corp-2020-01-29; bh=qVA/rW4VkvAMJ7tAUahvZVt4U+nmW5aRDWzpgV0tBX0=; b=yaU1RBFXJ+aR7oXUO7WC9tdgzUQXRfakJzQq6i/ZBV4anbPuyqPqEZElHiCLg5vzakka NQiPAgEkF7QBCZ00N52mMd9T8S9Bm3gICj2M/pwnMEt2paoH6LthoKy6zaTMSZ1SbQAQ bCQvgEZMhbuC/hMbeJHnm5jWr7Rn2htarMAj0ERrXD+Rur1TGNM+/DbVwi3AV+M8B96b ZO/0TnGybj25Vgn1A85tkHnEUnBGT066Jq9iGzSx2/n8hlEkc+6uYS/5UmOf9BRoSC+x kzuGQwgQFydrIc8MejQ7DklxouTwweyHhHn/OTRGPU1bEntj2qq0HlvudGofaLkyjQUC hg== Received: from aserp3030.oracle.com (aserp3030.oracle.com [141.146.126.71]) by aserp2120.oracle.com with ESMTP id 34cc7m4gpc-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Thu, 29 Oct 2020 12:25:54 +0000 Received: from pps.filterd (aserp3030.oracle.com [127.0.0.1]) by aserp3030.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 09TCAW5E063054; Thu, 29 Oct 2020 12:25:53 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by aserp3030.oracle.com with ESMTP id 34cwupqgpc-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 29 Oct 2020 12:25:53 +0000 Received: from abhmp0004.oracle.com (abhmp0004.oracle.com [141.146.116.10]) by userv0121.oracle.com (8.14.4/8.13.8) with ESMTP id 09TCPpJZ000866; Thu, 29 Oct 2020 12:25:51 GMT Received: from mihai.localdomain (/10.153.73.25) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 29 Oct 2020 05:25:51 -0700 From: Mihai Carabas To: linux-kernel@vger.kernel.org Cc: Peng Hao , Mihai Carabas Subject: [PATCH 4/4] misc/pvpanic: add new pvpanic pci driver Date: Thu, 29 Oct 2020 13:43:07 +0200 Message-Id: <1603971787-16784-5-git-send-email-mihai.carabas@oracle.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1603971787-16784-1-git-send-email-mihai.carabas@oracle.com> References: <1603971787-16784-1-git-send-email-mihai.carabas@oracle.com> X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9788 signatures=668682 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 phishscore=0 mlxscore=0 bulkscore=0 spamscore=0 adultscore=0 malwarescore=0 mlxlogscore=999 suspectscore=2 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2010290091 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9788 signatures=668682 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 lowpriorityscore=0 adultscore=0 malwarescore=0 spamscore=0 clxscore=1015 mlxscore=0 suspectscore=2 priorityscore=1501 impostorscore=0 bulkscore=0 phishscore=0 mlxlogscore=999 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2010290092 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Peng Hao Add new pvpanic pci driver to pvpanic driver framework. Signed-off-by: Peng Hao Signed-off-by: Mihai Carabas --- drivers/misc/pvpanic/Kconfig | 10 ++++++- drivers/misc/pvpanic/Makefile | 1 + drivers/misc/pvpanic/pvpanic-pci.c | 56 ++++++++++++++++++++++++++++++++++++++ 3 files changed, 66 insertions(+), 1 deletion(-) create mode 100644 drivers/misc/pvpanic/pvpanic-pci.c diff --git a/drivers/misc/pvpanic/Kconfig b/drivers/misc/pvpanic/Kconfig index 0c0c0b2..866cb37 100644 --- a/drivers/misc/pvpanic/Kconfig +++ b/drivers/misc/pvpanic/Kconfig @@ -1,6 +1,6 @@ config PVPANIC tristate "pvpanic device support" - depends on HAS_IOMEM && (ACPI || OF) + depends on HAS_IOMEM && (ACPI || OF || PCI) help This driver provides support for the pvpanic device. pvpanic is a paravirtualized device provided by QEMU; it lets a virtual machine @@ -23,4 +23,12 @@ config PVPANIC_OF This driver is one specific driver for pvpanic driver framework. It provides a mmio device as pvpanic device. +config PVPANIC_PCI + tristate "pvpanic pci driver" + depends on PCI + default PVPANIC + help + This driver is one specific driver for pvpanic driver framework. + It provides a pci device as pvpanic device. + endif diff --git a/drivers/misc/pvpanic/Makefile b/drivers/misc/pvpanic/Makefile index ffd11b1..45d0a60 100644 --- a/drivers/misc/pvpanic/Makefile +++ b/drivers/misc/pvpanic/Makefile @@ -5,3 +5,4 @@ obj-$(CONFIG_PVPANIC) += pvpanic.o obj-$(CONFIG_PVPANIC_ACPI) += pvpanic-acpi.o obj-$(CONFIG_PVPANIC_OF) += pvpanic-of.o +obj-$(CONFIG_PVPANIC_PCI) += pvpanic-pci.o diff --git a/drivers/misc/pvpanic/pvpanic-pci.c b/drivers/misc/pvpanic/pvpanic-pci.c new file mode 100644 index 00000000..1261710 --- /dev/null +++ b/drivers/misc/pvpanic/pvpanic-pci.c @@ -0,0 +1,56 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * pvpanic acpi driver. + * + * Copyright (C) 2019 ZTE Ltd. + * Author: Peng Hao + */ + +#include +#include +#include +#include +#include "pvpanic.h" + +#define PCI_VENDOR_ID_REDHAT 0x1b36 +#define PCI_DEVICE_ID_REDHAT_PVPANIC 0x0101 + +static const struct pci_device_id pvpanic_pci_id_tbl[] = { + { PCI_DEVICE(PCI_VENDOR_ID_REDHAT, PCI_DEVICE_ID_REDHAT_PVPANIC),}, + {} +}; + +static int pvpanic_pci_probe(struct pci_dev *pdev, + const struct pci_device_id *ent) +{ + int ret; + struct resource res; + + ret = pcim_enable_device(pdev); + if (ret < 0) + return ret; + + memset(&res, 0, sizeof(res)); + res.start = pci_resource_start(pdev, 0); + res.end = pci_resource_end(pdev, 0); + res.flags = IORESOURCE_MEM; + ret = pvpanic_add_device(&pdev->dev, &res); + if (ret) + return ret; + + return 0; +} + +static void pvpanic_pci_remove(struct pci_dev *pdev) +{ + pvpanic_remove_device(); +} + +static struct pci_driver pvpanic_pci_driver = { + .name = "pvpanic-pci", + .id_table = pvpanic_pci_id_tbl, + .probe = pvpanic_pci_probe, + .remove = pvpanic_pci_remove, +}; + +module_pci_driver(pvpanic_pci_driver); -- 1.8.3.1