From patchwork Wed Sep 22 21:18:05 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tom Lyon X-Patchwork-Id: 200242 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter1.kernel.org (8.14.4/8.14.3) with ESMTP id o8MLISuo013009 for ; Wed, 22 Sep 2010 21:18:28 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755489Ab0IVVSF (ORCPT ); Wed, 22 Sep 2010 17:18:05 -0400 Received: from sj-iport-4.cisco.com ([171.68.10.86]:47152 "EHLO sj-iport-4.cisco.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753360Ab0IVVSE (ORCPT ); Wed, 22 Sep 2010 17:18:04 -0400 Authentication-Results: sj-iport-4.cisco.com; dkim=neutral (message not signed) header.i=none X-IronPort-AV: E=Sophos;i="4.57,219,1283731200"; d="scan'208";a="190619485" Received: from sj-core-5.cisco.com ([171.71.177.238]) by sj-iport-4.cisco.com with ESMTP; 22 Sep 2010 21:18:02 +0000 Received: from pugs-w510.lyon-about.com (dhcp-171-71-15-169.cisco.com [171.71.15.169]) by sj-core-5.cisco.com (8.13.8/8.14.3) with SMTP id o8MLI20G029549; Wed, 22 Sep 2010 21:18:02 GMT Date: Wed, 22 Sep 2010 14:18:05 -0700 From: Tom Lyon To: linux-pci@vger.kernel.org, jbarnes@virtuousgeek.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, randy.dunlap@oracle.com, arnd@arndb.de, joro@8bytes.org, hjk@linutronix.de, avi@redhat.com, gregkh@suse.de, chrisw@sous-sol.org, alex.williamson@redhat.com, mst@redhat.com Subject: [PATCH 1/3] VFIO V4: export pci_user_{read,write}_config Message-ID: <4c9a728d.LXcJhm9HNv6+1QX/%pugs@cisco.com> User-Agent: Heirloom mailx 12.2 01/07/07 MIME-Version: 1.0 Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.3 (demeter1.kernel.org [140.211.167.41]); Wed, 22 Sep 2010 21:18:28 +0000 (UTC) diff --git a/drivers/pci/access.c b/drivers/pci/access.c index 531bc69..96ed449 100644 --- a/drivers/pci/access.c +++ b/drivers/pci/access.c @@ -157,7 +157,8 @@ int pci_user_read_config_##size \ raw_spin_unlock_irq(&pci_lock); \ *val = (type)data; \ return ret; \ -} +} \ +EXPORT_SYMBOL_GPL(pci_user_read_config_##size); #define PCI_USER_WRITE_CONFIG(size,type) \ int pci_user_write_config_##size \ @@ -171,7 +172,8 @@ int pci_user_write_config_##size \ pos, sizeof(type), val); \ raw_spin_unlock_irq(&pci_lock); \ return ret; \ -} +} \ +EXPORT_SYMBOL_GPL(pci_user_write_config_##size); PCI_USER_READ_CONFIG(byte, u8) PCI_USER_READ_CONFIG(word, u16) diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h index f8077b3..76c3ed3 100644 --- a/drivers/pci/pci.h +++ b/drivers/pci/pci.h @@ -67,13 +67,6 @@ static inline bool pci_is_bridge(struct pci_dev *pci_dev) return !!(pci_dev->subordinate); } -extern int pci_user_read_config_byte(struct pci_dev *dev, int where, u8 *val); -extern int pci_user_read_config_word(struct pci_dev *dev, int where, u16 *val); -extern int pci_user_read_config_dword(struct pci_dev *dev, int where, u32 *val); -extern int pci_user_write_config_byte(struct pci_dev *dev, int where, u8 val); -extern int pci_user_write_config_word(struct pci_dev *dev, int where, u16 val); -extern int pci_user_write_config_dword(struct pci_dev *dev, int where, u32 val); - struct pci_vpd_ops { ssize_t (*read)(struct pci_dev *dev, loff_t pos, size_t count, void *buf); ssize_t (*write)(struct pci_dev *dev, loff_t pos, size_t count, const void *buf); diff --git a/include/linux/pci.h b/include/linux/pci.h index f26fda7..36eacbf 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -754,6 +754,14 @@ static inline int pci_write_config_dword(struct pci_dev *dev, int where, return pci_bus_write_config_dword(dev->bus, dev->devfn, where, val); } +/* user-space driven config access */ +extern int pci_user_read_config_byte(struct pci_dev *dev, int where, u8 *val); +extern int pci_user_read_config_word(struct pci_dev *dev, int where, u16 *val); +extern int pci_user_read_config_dword(struct pci_dev *dev, int where, u32 *val); +extern int pci_user_write_config_byte(struct pci_dev *dev, int where, u8 val); +extern int pci_user_write_config_word(struct pci_dev *dev, int where, u16 val); +extern int pci_user_write_config_dword(struct pci_dev *dev, int where, u32 val); + int __must_check pci_enable_device(struct pci_dev *dev); int __must_check pci_enable_device_io(struct pci_dev *dev); int __must_check pci_enable_device_mem(struct pci_dev *dev);