Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752659Ab1DHISf (ORCPT ); Fri, 8 Apr 2011 04:18:35 -0400 Received: from ch1outboundpool.messaging.microsoft.com ([216.32.181.185]:5148 "EHLO ch1outboundpool.messaging.microsoft.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750896Ab1DHIRT (ORCPT ); Fri, 8 Apr 2011 04:17:19 -0400 X-SpamScore: -2 X-BigFish: VPS-2(zzbb2cKzz1202hzz8275bhz32i668h839h61h) X-Spam-TCS-SCL: 0:0 X-Forefront-Antispam-Report: KIP:(null);UIP:(null);IPVD:NLI;H:ausb3twp01.amd.com;RD:none;EFVD:NLI X-WSS-ID: 0LJBR0R-01-AHL-02 X-M-MSG: From: Joerg Roedel To: , Jesse Barnes CC: , , Joerg Roedel Subject: [PATCH 1/5] PCI: Move ATS declarations in seperate header file Date: Fri, 8 Apr 2011 10:17:06 +0200 Message-ID: <1302250630-8183-2-git-send-email-joerg.roedel@amd.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1302250630-8183-1-git-send-email-joerg.roedel@amd.com> References: <1302250630-8183-1-git-send-email-joerg.roedel@amd.com> MIME-Version: 1.0 Content-Type: text/plain X-OriginatorOrg: amd.com Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 4774 Lines: 169 This patch moves the relevant declarations from the local header file in drivers/pci to a more accessible locations so that it can be used by the AMD IOMMU driver too. The file is named pci-ats-pri.h because support for the PCI PRI capability will also be added there in a later patch-set. Signed-off-by: Joerg Roedel --- drivers/pci/intel-iommu.c | 1 + drivers/pci/iov.c | 1 + drivers/pci/pci.h | 37 -------------------------------- include/linux/pci-ats.h | 52 +++++++++++++++++++++++++++++++++++++++++++++ 4 files changed, 54 insertions(+), 37 deletions(-) create mode 100644 include/linux/pci-ats.h diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c index 7da3bef..fdb2cef 100644 --- a/drivers/pci/intel-iommu.c +++ b/drivers/pci/intel-iommu.c @@ -39,6 +39,7 @@ #include #include #include +#include #include #include #include "pci.h" diff --git a/drivers/pci/iov.c b/drivers/pci/iov.c index 553d8ee..42fae47 100644 --- a/drivers/pci/iov.c +++ b/drivers/pci/iov.c @@ -13,6 +13,7 @@ #include #include #include +#include #include "pci.h" #define VIRTFN_ID_LEN 16 diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h index a6ec200..4020025 100644 --- a/drivers/pci/pci.h +++ b/drivers/pci/pci.h @@ -250,15 +250,6 @@ struct pci_sriov { u8 __iomem *mstate; /* VF Migration State Array */ }; -/* Address Translation Service */ -struct pci_ats { - int pos; /* capability position */ - int stu; /* Smallest Translation Unit */ - int qdep; /* Invalidate Queue Depth */ - int ref_cnt; /* Physical Function reference count */ - unsigned int is_enabled:1; /* Enable bit is set */ -}; - #ifdef CONFIG_PCI_IOV extern int pci_iov_init(struct pci_dev *dev); extern void pci_iov_release(struct pci_dev *dev); @@ -269,19 +260,6 @@ extern resource_size_t pci_sriov_resource_alignment(struct pci_dev *dev, extern void pci_restore_iov_state(struct pci_dev *dev); extern int pci_iov_bus_range(struct pci_bus *bus); -extern int pci_enable_ats(struct pci_dev *dev, int ps); -extern void pci_disable_ats(struct pci_dev *dev); -extern int pci_ats_queue_depth(struct pci_dev *dev); -/** - * pci_ats_enabled - query the ATS status - * @dev: the PCI device - * - * Returns 1 if ATS capability is enabled, or 0 if not. - */ -static inline int pci_ats_enabled(struct pci_dev *dev) -{ - return dev->ats && dev->ats->is_enabled; -} #else static inline int pci_iov_init(struct pci_dev *dev) { @@ -304,21 +282,6 @@ static inline int pci_iov_bus_range(struct pci_bus *bus) return 0; } -static inline int pci_enable_ats(struct pci_dev *dev, int ps) -{ - return -ENODEV; -} -static inline void pci_disable_ats(struct pci_dev *dev) -{ -} -static inline int pci_ats_queue_depth(struct pci_dev *dev) -{ - return -ENODEV; -} -static inline int pci_ats_enabled(struct pci_dev *dev) -{ - return 0; -} #endif /* CONFIG_PCI_IOV */ static inline resource_size_t pci_resource_alignment(struct pci_dev *dev, diff --git a/include/linux/pci-ats.h b/include/linux/pci-ats.h new file mode 100644 index 0000000..655824f --- /dev/null +++ b/include/linux/pci-ats.h @@ -0,0 +1,52 @@ +#ifndef LINUX_PCI_ATS_H +#define LINUX_PCI_ATS_H + +/* Address Translation Service */ +struct pci_ats { + int pos; /* capability position */ + int stu; /* Smallest Translation Unit */ + int qdep; /* Invalidate Queue Depth */ + int ref_cnt; /* Physical Function reference count */ + unsigned int is_enabled:1; /* Enable bit is set */ +}; + +#ifdef CONFIG_PCI_IOV + +extern int pci_enable_ats(struct pci_dev *dev, int ps); +extern void pci_disable_ats(struct pci_dev *dev); +extern int pci_ats_queue_depth(struct pci_dev *dev); +/** + * pci_ats_enabled - query the ATS status + * @dev: the PCI device + * + * Returns 1 if ATS capability is enabled, or 0 if not. + */ +static inline int pci_ats_enabled(struct pci_dev *dev) +{ + return dev->ats && dev->ats->is_enabled; +} + +#else /* CONFIG_PCI_IOV */ + +static inline int pci_enable_ats(struct pci_dev *dev, int ps) +{ + return -ENODEV; +} + +static inline void pci_disable_ats(struct pci_dev *dev) +{ +} + +static inline int pci_ats_queue_depth(struct pci_dev *dev) +{ + return -ENODEV; +} + +static inline int pci_ats_enabled(struct pci_dev *dev) +{ + return 0; +} + +#endif /* CONFIG_PCI_IOV */ + +#endif /* LINUX_PCI_ATS_H*/ -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/