Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760353AbZCMRCg (ORCPT ); Fri, 13 Mar 2009 13:02:36 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1758774AbZCMRA5 (ORCPT ); Fri, 13 Mar 2009 13:00:57 -0400 Received: from gw.goop.org ([64.81.55.164]:57395 "EHLO abulafia.goop.org" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1759401AbZCMRAz (ORCPT ); Fri, 13 Mar 2009 13:00:55 -0400 From: Jeremy Fitzhardinge To: "H. Peter Anvin" Cc: the arch/x86 maintainers , Linux Kernel Mailing List , Xen-devel , David Airlie , Alex Nixon , Jeremy Fitzhardinge Subject: [PATCH 06/27] x86/PCI: Enable scanning of all pci functions Date: Fri, 13 Mar 2009 09:59:51 -0700 Message-Id: <1236963612-14287-7-git-send-email-jeremy@goop.org> X-Mailer: git-send-email 1.6.0.6 In-Reply-To: <1236963612-14287-1-git-send-email-jeremy@goop.org> References: <1236963612-14287-1-git-send-email-jeremy@goop.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2156 Lines: 66 From: Alex Nixon Xen may want to enable scanning of all pci functions - if for example the device at function 0 is not passed through to the guest, but the device at function 1 is. Signed-off-by: Alex Nixon Signed-off-by: Jeremy Fitzhardinge --- arch/x86/include/asm/pci.h | 8 +++++++- arch/x86/pci/common.c | 1 + 2 files changed, 8 insertions(+), 1 deletions(-) diff --git a/arch/x86/include/asm/pci.h b/arch/x86/include/asm/pci.h index a977de2..cd50c02 100644 --- a/arch/x86/include/asm/pci.h +++ b/arch/x86/include/asm/pci.h @@ -21,6 +21,7 @@ struct pci_sysdata { extern int pci_routeirq; extern int noioapicquirk; extern int noioapicreroute; +extern int pci_scan_all_fns; /* scan a bus after allocating a pci_sysdata for it */ extern struct pci_bus *pci_scan_bus_on_node(int busno, struct pci_ops *ops, @@ -48,7 +49,11 @@ extern unsigned int pcibios_assign_all_busses(void); #else #define pcibios_assign_all_busses() 0 #endif -#define pcibios_scan_all_fns(a, b) 0 + +static inline int pcibios_scan_all_fns(struct pci_bus *bus, int devfn) +{ + return pci_scan_all_fns; +} extern unsigned long pci_mem_start; #define PCIBIOS_MIN_IO 0x1000 @@ -99,6 +104,7 @@ extern void pci_iommu_alloc(void); /* generic pci stuff */ #include +#undef pcibios_scan_all_fns #ifdef CONFIG_NUMA /* Returns the node based on pci bus */ diff --git a/arch/x86/pci/common.c b/arch/x86/pci/common.c index 081ebd5..05525bf 100644 --- a/arch/x86/pci/common.c +++ b/arch/x86/pci/common.c @@ -22,6 +22,7 @@ unsigned int pci_probe = PCI_PROBE_BIOS | PCI_PROBE_CONF1 | PCI_PROBE_CONF2 | unsigned int pci_early_dump_regs; static int pci_bf_sort; int pci_routeirq; +int pci_scan_all_fns = 0; int noioapicquirk; #ifdef CONFIG_X86_REROUTE_FOR_BROKEN_BOOT_IRQS int noioapicreroute = 0; -- 1.6.0.6 -- 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/