From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753963Ab2A1Cuu (ORCPT ); Fri, 27 Jan 2012 21:50:50 -0500 Received: from rcsinet15.oracle.com ([148.87.113.117]:26479 "EHLO rcsinet15.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752611Ab2A1Ct4 (ORCPT ); Fri, 27 Jan 2012 21:49:56 -0500 From: Yinghai Lu To: Jesse Barnes , Benjamin Herrenschmidt , Tony Luck Cc: Bjorn Helgaas , Linus Torvalds , linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, Yinghai Lu Subject: [PATCH 01/13] PCI: Add iobusn_resource Date: Fri, 27 Jan 2012 18:49:19 -0800 Message-Id: <1327718971-9598-2-git-send-email-yinghai@kernel.org> X-Mailer: git-send-email 1.7.7 In-Reply-To: <1327718971-9598-1-git-send-email-yinghai@kernel.org> References: <1327718971-9598-1-git-send-email-yinghai@kernel.org> X-Source-IP: ucsinet22.oracle.com [156.151.31.94] X-CT-RefId: str=0001.0A090202.4F23624D.002F,ss=1,re=0.000,fgs=0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org also add busn_res into struct pci_bus. will use them to have bus number resource tree. Signed-off-by: Yinghai Lu --- include/linux/ioport.h | 1 + include/linux/pci.h | 1 + kernel/resource.c | 8 ++++++++ 3 files changed, 10 insertions(+), 0 deletions(-) diff --git a/include/linux/ioport.h b/include/linux/ioport.h index e885ba2..6fe9e19 100644 --- a/include/linux/ioport.h +++ b/include/linux/ioport.h @@ -136,6 +136,7 @@ struct resource { /* PC/ISA/whatever - the normal PC address spaces: IO and memory */ extern struct resource ioport_resource; extern struct resource iomem_resource; +extern struct resource iobusn_resource; extern struct resource *request_resource_conflict(struct resource *root, struct resource *new); extern int request_resource(struct resource *root, struct resource *new); diff --git a/include/linux/pci.h b/include/linux/pci.h index f8caaab..94ad468 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -419,6 +419,7 @@ struct pci_bus { struct list_head slots; /* list of slots on this bus */ struct resource *resource[PCI_BRIDGE_RESOURCE_NUM]; struct list_head resources; /* address space routed to this bus */ + struct resource busn_res; /* track registered bus num range */ struct pci_ops *ops; /* configuration access functions */ void *sysdata; /* hook for sys-specific extension */ diff --git a/kernel/resource.c b/kernel/resource.c index 7640b3a..53b42f0 100644 --- a/kernel/resource.c +++ b/kernel/resource.c @@ -38,6 +38,14 @@ struct resource iomem_resource = { }; EXPORT_SYMBOL(iomem_resource); +struct resource iobusn_resource = { + .name = "PCI busn", + .start = 0, + .end = 0xffffff, + .flags = IORESOURCE_BUS, +}; +EXPORT_SYMBOL(iobusn_resource); + /* constraints to be met while allocating resources */ struct resource_constraint { resource_size_t min, max, align; -- 1.7.7