From patchwork Sat Jun 4 00:06:28 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yinghai Lu X-Patchwork-Id: 630096 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3rM1X35qFPz9t9N for ; Sat, 4 Jun 2016 10:08:35 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751141AbcFDAIL (ORCPT ); Fri, 3 Jun 2016 20:08:11 -0400 Received: from aserp1040.oracle.com ([141.146.126.69]:47803 "EHLO aserp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751268AbcFDAIH (ORCPT ); Fri, 3 Jun 2016 20:08:07 -0400 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u540717c028467 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Sat, 4 Jun 2016 00:07:01 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u54070B0016904 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Sat, 4 Jun 2016 00:07:00 GMT Received: from abhmp0019.oracle.com (abhmp0019.oracle.com [141.146.116.25]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5406utB014723; Sat, 4 Jun 2016 00:06:58 GMT Received: from aserv0021.oracle.com (/10.132.126.127) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Fri, 03 Jun 2016 16:06:56 -0800 From: Yinghai Lu To: Bjorn Helgaas , David Miller , Benjamin Herrenschmidt , Linus Torvalds Cc: Wei Yang , Khalid Aziz , linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, Yinghai Lu , linux-arm-kernel@lists.infradead.org, linux-cris-kernel@axis.com, linux-ia64@vger.kernel.org, linux-mips@linux-mips.org, linux-am33-list@redhat.com, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-xtensa@linux-xtensa.org Subject: [PATCH v12 01/15] PCI: Let pci_mmap_page_range() take extra resource pointer Date: Fri, 3 Jun 2016 17:06:28 -0700 Message-Id: <20160604000642.28162-2-yinghai@kernel.org> X-Mailer: git-send-email 2.8.3 In-Reply-To: <20160604000642.28162-1-yinghai@kernel.org> References: <20160604000642.28162-1-yinghai@kernel.org> X-Source-IP: aserv0022.oracle.com [141.146.126.234] Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org This one is preparing patch for next one: PCI: Let pci_mmap_page_range() take resource addr We need to pass extra resource pointer to avoid searching that again for powerpc and microblaze prot set operation. Signed-off-by: Yinghai Lu Cc: linux-arm-kernel@lists.infradead.org Cc: linux-cris-kernel@axis.com Cc: linux-ia64@vger.kernel.org Cc: linux-mips@linux-mips.org Cc: linux-am33-list@redhat.com Cc: linux-parisc@vger.kernel.org Cc: linuxppc-dev@lists.ozlabs.org Cc: linux-sh@vger.kernel.org Cc: sparclinux@vger.kernel.org Cc: linux-xtensa@linux-xtensa.org Acked-by: Jesper Nilsson --- arch/arm/include/asm/pci.h | 2 -- arch/arm/kernel/bios32.c | 3 ++- arch/cris/arch-v32/drivers/pci/bios.c | 3 ++- arch/cris/include/asm/pci.h | 3 --- arch/ia64/include/asm/pci.h | 2 -- arch/ia64/pci/pci.c | 3 ++- arch/microblaze/include/asm/pci.h | 3 --- arch/microblaze/pci/pci-common.c | 3 ++- arch/mips/include/asm/pci.h | 3 --- arch/mips/pci/pci.c | 3 ++- arch/mn10300/include/asm/pci.h | 3 --- arch/mn10300/unit-asb2305/pci-asb2305.c | 3 ++- arch/parisc/include/asm/pci.h | 3 --- arch/parisc/kernel/pci.c | 3 ++- arch/powerpc/include/asm/pci.h | 3 --- arch/powerpc/kernel/pci-common.c | 3 ++- arch/sh/drivers/pci/pci.c | 3 ++- arch/sh/include/asm/pci.h | 2 -- arch/sparc/include/asm/pci_64.h | 4 ---- arch/sparc/kernel/pci.c | 3 ++- arch/unicore32/include/asm/pci.h | 2 -- arch/unicore32/kernel/pci.c | 3 ++- arch/x86/include/asm/pci.h | 4 ---- arch/x86/pci/i386.c | 3 ++- arch/xtensa/include/asm/pci.h | 4 ---- arch/xtensa/kernel/pci.c | 3 ++- drivers/pci/pci-sysfs.c | 2 +- drivers/pci/pci.h | 2 +- drivers/pci/proc.c | 2 +- include/linux/pci.h | 6 ++++++ 30 files changed, 35 insertions(+), 54 deletions(-) diff --git a/arch/arm/include/asm/pci.h b/arch/arm/include/asm/pci.h index 057d381..51118a0 100644 --- a/arch/arm/include/asm/pci.h +++ b/arch/arm/include/asm/pci.h @@ -29,8 +29,6 @@ static inline int pci_proc_domain(struct pci_bus *bus) #define PCI_DMA_BUS_IS_PHYS (1) #define HAVE_PCI_MMAP -extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, - enum pci_mmap_state mmap_state, int write_combine); static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) { diff --git a/arch/arm/kernel/bios32.c b/arch/arm/kernel/bios32.c index 05e61a2..d3245d1 100644 --- a/arch/arm/kernel/bios32.c +++ b/arch/arm/kernel/bios32.c @@ -602,7 +602,8 @@ int pcibios_enable_device(struct pci_dev *dev, int mask) return pci_enable_resources(dev, mask); } -int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, +int pci_mmap_page_range(struct pci_dev *dev, struct resource *res, + struct vm_area_struct *vma, enum pci_mmap_state mmap_state, int write_combine) { if (mmap_state == pci_mmap_io) diff --git a/arch/cris/arch-v32/drivers/pci/bios.c b/arch/cris/arch-v32/drivers/pci/bios.c index 64a5fb9..082efb9 100644 --- a/arch/cris/arch-v32/drivers/pci/bios.c +++ b/arch/cris/arch-v32/drivers/pci/bios.c @@ -14,7 +14,8 @@ void pcibios_set_master(struct pci_dev *dev) pci_write_config_byte(dev, PCI_LATENCY_TIMER, lat); } -int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, +int pci_mmap_page_range(struct pci_dev *dev, struct resource *res, + struct vm_area_struct *vma, enum pci_mmap_state mmap_state, int write_combine) { unsigned long prot; diff --git a/arch/cris/include/asm/pci.h b/arch/cris/include/asm/pci.h index b1b289d..65198cb 100644 --- a/arch/cris/include/asm/pci.h +++ b/arch/cris/include/asm/pci.h @@ -42,9 +42,6 @@ struct pci_dev; #define PCI_DMA_BUS_IS_PHYS (1) #define HAVE_PCI_MMAP -extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, - enum pci_mmap_state mmap_state, int write_combine); - #endif /* __KERNEL__ */ diff --git a/arch/ia64/include/asm/pci.h b/arch/ia64/include/asm/pci.h index c0835b0..6a2f5d8 100644 --- a/arch/ia64/include/asm/pci.h +++ b/arch/ia64/include/asm/pci.h @@ -51,8 +51,6 @@ extern unsigned long ia64_max_iommu_merge_mask; #define PCI_DMA_BUS_IS_PHYS (ia64_max_iommu_merge_mask == ~0UL) #define HAVE_PCI_MMAP -extern int pci_mmap_page_range (struct pci_dev *dev, struct vm_area_struct *vma, - enum pci_mmap_state mmap_state, int write_combine); #define HAVE_PCI_LEGACY extern int pci_mmap_legacy_page_range(struct pci_bus *bus, struct vm_area_struct *vma, diff --git a/arch/ia64/pci/pci.c b/arch/ia64/pci/pci.c index 8f6ac2f..1518d66 100644 --- a/arch/ia64/pci/pci.c +++ b/arch/ia64/pci/pci.c @@ -419,7 +419,8 @@ pcibios_align_resource (void *data, const struct resource *res, } int -pci_mmap_page_range (struct pci_dev *dev, struct vm_area_struct *vma, +pci_mmap_page_range(struct pci_dev *dev, struct resource *res, + struct vm_area_struct *vma, enum pci_mmap_state mmap_state, int write_combine) { unsigned long size = vma->vm_end - vma->vm_start; diff --git a/arch/microblaze/include/asm/pci.h b/arch/microblaze/include/asm/pci.h index fc3ecb5..1b93824 100644 --- a/arch/microblaze/include/asm/pci.h +++ b/arch/microblaze/include/asm/pci.h @@ -46,9 +46,6 @@ extern int pci_domain_nr(struct pci_bus *bus); extern int pci_proc_domain(struct pci_bus *bus); struct vm_area_struct; -/* Map a range of PCI memory or I/O space for a device into user space */ -int pci_mmap_page_range(struct pci_dev *pdev, struct vm_area_struct *vma, - enum pci_mmap_state mmap_state, int write_combine); /* Tell drivers/pci/proc.c that we have pci_mmap_page_range() */ #define HAVE_PCI_MMAP 1 diff --git a/arch/microblaze/pci/pci-common.c b/arch/microblaze/pci/pci-common.c index 14cba60..95146b0 100644 --- a/arch/microblaze/pci/pci-common.c +++ b/arch/microblaze/pci/pci-common.c @@ -304,7 +304,8 @@ pgprot_t pci_phys_mem_access_prot(struct file *file, * * Returns a negative error code on failure, zero on success. */ -int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, +int pci_mmap_page_range(struct pci_dev *dev, struct resource *rp, + struct vm_area_struct *vma, enum pci_mmap_state mmap_state, int write_combine) { resource_size_t offset = diff --git a/arch/mips/include/asm/pci.h b/arch/mips/include/asm/pci.h index 86b239d..71d2c3b 100644 --- a/arch/mips/include/asm/pci.h +++ b/arch/mips/include/asm/pci.h @@ -75,9 +75,6 @@ extern void pcibios_set_master(struct pci_dev *dev); #define HAVE_PCI_MMAP -extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, - enum pci_mmap_state mmap_state, int write_combine); - #define HAVE_ARCH_PCI_RESOURCE_TO_USER static inline void pci_resource_to_user(const struct pci_dev *dev, int bar, diff --git a/arch/mips/pci/pci.c b/arch/mips/pci/pci.c index f1b11f0..e620333 100644 --- a/arch/mips/pci/pci.c +++ b/arch/mips/pci/pci.c @@ -319,7 +319,8 @@ void pcibios_fixup_bus(struct pci_bus *bus) EXPORT_SYMBOL(PCIBIOS_MIN_IO); EXPORT_SYMBOL(PCIBIOS_MIN_MEM); -int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, +int pci_mmap_page_range(struct pci_dev *dev, struct resource *res, + struct vm_area_struct *vma, enum pci_mmap_state mmap_state, int write_combine) { unsigned long prot; diff --git a/arch/mn10300/include/asm/pci.h b/arch/mn10300/include/asm/pci.h index 51159ff..082b6de 100644 --- a/arch/mn10300/include/asm/pci.h +++ b/arch/mn10300/include/asm/pci.h @@ -74,9 +74,6 @@ static inline int pci_controller_num(struct pci_dev *dev) } #define HAVE_PCI_MMAP -extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, - enum pci_mmap_state mmap_state, - int write_combine); #endif /* __KERNEL__ */ diff --git a/arch/mn10300/unit-asb2305/pci-asb2305.c b/arch/mn10300/unit-asb2305/pci-asb2305.c index b7ab837..40efdc6 100644 --- a/arch/mn10300/unit-asb2305/pci-asb2305.c +++ b/arch/mn10300/unit-asb2305/pci-asb2305.c @@ -211,7 +211,8 @@ void __init pcibios_resource_survey(void) pcibios_allocate_resources(1); } -int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, +int pci_mmap_page_range(struct pci_dev *dev, struct resource *res, + struct vm_area_struct *vma, enum pci_mmap_state mmap_state, int write_combine) { unsigned long prot; diff --git a/arch/parisc/include/asm/pci.h b/arch/parisc/include/asm/pci.h index defebd9..bb9ea90 100644 --- a/arch/parisc/include/asm/pci.h +++ b/arch/parisc/include/asm/pci.h @@ -201,7 +201,4 @@ static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) #define HAVE_PCI_MMAP -extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, - enum pci_mmap_state mmap_state, int write_combine); - #endif /* __ASM_PARISC_PCI_H */ diff --git a/arch/parisc/kernel/pci.c b/arch/parisc/kernel/pci.c index 0903c6a..8d5c34c 100644 --- a/arch/parisc/kernel/pci.c +++ b/arch/parisc/kernel/pci.c @@ -228,7 +228,8 @@ resource_size_t pcibios_align_resource(void *data, const struct resource *res, } -int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, +int pci_mmap_page_range(struct pci_dev *dev, struct resource *res, + struct vm_area_struct *vma, enum pci_mmap_state mmap_state, int write_combine) { unsigned long prot; diff --git a/arch/powerpc/include/asm/pci.h b/arch/powerpc/include/asm/pci.h index a6f3ac0..662c1ef 100644 --- a/arch/powerpc/include/asm/pci.h +++ b/arch/powerpc/include/asm/pci.h @@ -77,9 +77,6 @@ extern int pci_domain_nr(struct pci_bus *bus); extern int pci_proc_domain(struct pci_bus *bus); struct vm_area_struct; -/* Map a range of PCI memory or I/O space for a device into user space */ -int pci_mmap_page_range(struct pci_dev *pdev, struct vm_area_struct *vma, - enum pci_mmap_state mmap_state, int write_combine); /* Tell drivers/pci/proc.c that we have pci_mmap_page_range() */ #define HAVE_PCI_MMAP 1 diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c index 0f7a60f..6720b81 100644 --- a/arch/powerpc/kernel/pci-common.c +++ b/arch/powerpc/kernel/pci-common.c @@ -445,7 +445,8 @@ pgprot_t pci_phys_mem_access_prot(struct file *file, * * Returns a negative error code on failure, zero on success. */ -int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, +int pci_mmap_page_range(struct pci_dev *dev, struct resource *rp, + struct vm_area_struct *vma, enum pci_mmap_state mmap_state, int write_combine) { resource_size_t offset = diff --git a/arch/sh/drivers/pci/pci.c b/arch/sh/drivers/pci/pci.c index d5462b7..a1bc7ba 100644 --- a/arch/sh/drivers/pci/pci.c +++ b/arch/sh/drivers/pci/pci.c @@ -269,7 +269,8 @@ void __init_refok pcibios_report_status(unsigned int status_mask, int warn) } } -int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, +int pci_mmap_page_range(struct pci_dev *dev, struct resource *res, + struct vm_area_struct *vma, enum pci_mmap_state mmap_state, int write_combine) { /* diff --git a/arch/sh/include/asm/pci.h b/arch/sh/include/asm/pci.h index 644314f..8e0fdb9 100644 --- a/arch/sh/include/asm/pci.h +++ b/arch/sh/include/asm/pci.h @@ -66,8 +66,6 @@ extern unsigned long PCIBIOS_MIN_IO, PCIBIOS_MIN_MEM; struct pci_dev; #define HAVE_PCI_MMAP -extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, - enum pci_mmap_state mmap_state, int write_combine); extern void pcibios_set_master(struct pci_dev *dev); /* Dynamic DMA mapping stuff. diff --git a/arch/sparc/include/asm/pci_64.h b/arch/sparc/include/asm/pci_64.h index 022d160..f7a93df 100644 --- a/arch/sparc/include/asm/pci_64.h +++ b/arch/sparc/include/asm/pci_64.h @@ -45,10 +45,6 @@ static inline int pci_proc_domain(struct pci_bus *bus) #define HAVE_ARCH_PCI_GET_UNMAPPED_AREA #define get_pci_unmapped_area get_fb_unmapped_area -int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, - enum pci_mmap_state mmap_state, - int write_combine); - static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) { return PCI_IRQ_NONE; diff --git a/arch/sparc/kernel/pci.c b/arch/sparc/kernel/pci.c index c2b202d..86d7dda 100644 --- a/arch/sparc/kernel/pci.c +++ b/arch/sparc/kernel/pci.c @@ -862,7 +862,8 @@ static void __pci_mmap_set_pgprot(struct pci_dev *dev, struct vm_area_struct *vm * * Returns a negative error code on failure, zero on success. */ -int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, +int pci_mmap_page_range(struct pci_dev *dev, struct resource *res, + struct vm_area_struct *vma, enum pci_mmap_state mmap_state, int write_combine) { diff --git a/arch/unicore32/include/asm/pci.h b/arch/unicore32/include/asm/pci.h index 37e55d0..a5129086 100644 --- a/arch/unicore32/include/asm/pci.h +++ b/arch/unicore32/include/asm/pci.h @@ -17,8 +17,6 @@ #include /* for PCIBIOS_MIN_* */ #define HAVE_PCI_MMAP -extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, - enum pci_mmap_state mmap_state, int write_combine); #endif /* __KERNEL__ */ #endif diff --git a/arch/unicore32/kernel/pci.c b/arch/unicore32/kernel/pci.c index d45fa5f..ff1b7ef 100644 --- a/arch/unicore32/kernel/pci.c +++ b/arch/unicore32/kernel/pci.c @@ -362,7 +362,8 @@ int pcibios_enable_device(struct pci_dev *dev, int mask) return 0; } -int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, +int pci_mmap_page_range(struct pci_dev *dev, struct resource *res, + struct vm_area_struct *vma, enum pci_mmap_state mmap_state, int write_combine) { unsigned long phys; diff --git a/arch/x86/include/asm/pci.h b/arch/x86/include/asm/pci.h index 9ab7507..eb87481 100644 --- a/arch/x86/include/asm/pci.h +++ b/arch/x86/include/asm/pci.h @@ -88,10 +88,6 @@ int pcibios_set_irq_routing(struct pci_dev *dev, int pin, int irq); #define HAVE_PCI_MMAP -extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, - enum pci_mmap_state mmap_state, - int write_combine); - #ifdef CONFIG_PCI extern void early_quirks(void); diff --git a/arch/x86/pci/i386.c b/arch/x86/pci/i386.c index 0a9f2ca..36463c7 100644 --- a/arch/x86/pci/i386.c +++ b/arch/x86/pci/i386.c @@ -411,7 +411,8 @@ static const struct vm_operations_struct pci_mmap_ops = { .access = generic_access_phys, }; -int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, +int pci_mmap_page_range(struct pci_dev *dev, struct resource *res, + struct vm_area_struct *vma, enum pci_mmap_state mmap_state, int write_combine) { unsigned long prot; diff --git a/arch/xtensa/include/asm/pci.h b/arch/xtensa/include/asm/pci.h index 5d6bd93..bb5510b 100644 --- a/arch/xtensa/include/asm/pci.h +++ b/arch/xtensa/include/asm/pci.h @@ -46,10 +46,6 @@ struct pci_dev; #define PCI_DMA_BUS_IS_PHYS (1) -/* Map a range of PCI memory or I/O space for a device into user space */ -int pci_mmap_page_range(struct pci_dev *pdev, struct vm_area_struct *vma, - enum pci_mmap_state mmap_state, int write_combine); - /* Tell drivers/pci/proc.c that we have pci_mmap_page_range() */ #define HAVE_PCI_MMAP 1 diff --git a/arch/xtensa/kernel/pci.c b/arch/xtensa/kernel/pci.c index b848cc3..89c8687 100644 --- a/arch/xtensa/kernel/pci.c +++ b/arch/xtensa/kernel/pci.c @@ -362,7 +362,8 @@ __pci_mmap_set_pgprot(struct pci_dev *dev, struct vm_area_struct *vma, * * Returns a negative error code on failure, zero on success. */ -int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, +int pci_mmap_page_range(struct pci_dev *dev, struct resource *res, + struct vm_area_struct *vma, enum pci_mmap_state mmap_state, int write_combine) { diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c index d319a9c..5bbe20c 100644 --- a/drivers/pci/pci-sysfs.c +++ b/drivers/pci/pci-sysfs.c @@ -1027,7 +1027,7 @@ static int pci_mmap_resource(struct kobject *kobj, struct bin_attribute *attr, pci_resource_to_user(pdev, i, res, &start, &end); vma->vm_pgoff += start >> PAGE_SHIFT; mmap_type = res->flags & IORESOURCE_MEM ? pci_mmap_mem : pci_mmap_io; - return pci_mmap_page_range(pdev, vma, mmap_type, write_combine); + return pci_mmap_page_range(pdev, res, vma, mmap_type, write_combine); } static int pci_mmap_resource_uc(struct file *filp, struct kobject *kobj, diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h index a814bbb..7d339c3 100644 --- a/drivers/pci/pci.h +++ b/drivers/pci/pci.h @@ -30,7 +30,7 @@ enum pci_mmap_api { PCI_MMAP_PROCFS /* mmap on /proc/bus/pci/ */ }; int pci_mmap_fits(struct pci_dev *pdev, int resno, struct vm_area_struct *vmai, - enum pci_mmap_api mmap_api); + enum pci_mmap_state mmap_type, enum pci_mmap_api mmap_api); #endif int pci_probe_reset_function(struct pci_dev *dev); diff --git a/drivers/pci/proc.c b/drivers/pci/proc.c index 3f155e7..f19ee2a 100644 --- a/drivers/pci/proc.c +++ b/drivers/pci/proc.c @@ -245,7 +245,7 @@ static int proc_bus_pci_mmap(struct file *file, struct vm_area_struct *vma) if (i >= PCI_ROM_RESOURCE) return -ENODEV; - ret = pci_mmap_page_range(dev, vma, + ret = pci_mmap_page_range(dev, &dev->resource[i], vma, fpriv->mmap_state, fpriv->write_combine); if (ret < 0) diff --git a/include/linux/pci.h b/include/linux/pci.h index b67e4df..3c1a0f4 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -70,6 +70,12 @@ enum pci_mmap_state { pci_mmap_mem }; +struct vm_area_struct; +/* Map a range of PCI memory or I/O space for a device into user space */ +int pci_mmap_page_range(struct pci_dev *dev, struct resource *res, + struct vm_area_struct *vma, + enum pci_mmap_state mmap_state, int write_combine); + /* * For PCI devices, the region numbers are assigned this way: */