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PCI: Add BAR index argument to pci_mmap_page_range()

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In all cases we know which BAR it is.  Passing it in means that arch code
(or generic code; watch this space) won't have to go looking for it again.

Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
David Woodhouse 2017-04-12 13:25:58 +01:00 committed by Bjorn Helgaas
parent dca40b186b
commit f66e225828
16 changed files with 30 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
arch/arm/kernel/bios32.c
View File

@ -597,7 +597,8 @@ resource_size_t pcibios_align_resource(void *data, const struct resource *res,
return start;
}
int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
int pci_mmap_page_range(struct pci_dev *dev, int bar,
struct vm_area_struct *vma,
enum pci_mmap_state mmap_state, int write_combine)
{
if (mmap_state == pci_mmap_io)

3
arch/cris/arch-v32/drivers/pci/bios.c
View File

@ -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, int bar,
struct vm_area_struct *vma,
enum pci_mmap_state mmap_state, int write_combine)
{
unsigned long prot;

3
arch/ia64/pci/pci.c
View File

@ -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, int bar,
struct vm_area_struct *vma,
enum pci_mmap_state mmap_state, int write_combine)
{
unsigned long size = vma->vm_end - vma->vm_start;

2
arch/microblaze/pci/pci-common.c
View File

@ -278,7 +278,7 @@ 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, int bar, struct vm_area_struct *vma,
enum pci_mmap_state mmap_state, int write_combine)
{
resource_size_t offset =

3
arch/mips/pci/pci.c
View File

@ -58,7 +58,8 @@ void pci_resource_to_user(const struct pci_dev *dev, int bar,
*end = rsrc->start + size;
}
int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
int pci_mmap_page_range(struct pci_dev *dev, int bar,
struct vm_area_struct *vma,
enum pci_mmap_state mmap_state, int write_combine)
{
unsigned long prot;

3
arch/mn10300/unit-asb2305/pci-asb2305.c
View File

@ -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, int bar,
struct vm_area_struct *vma,
enum pci_mmap_state mmap_state, int write_combine)
{
unsigned long prot;

3
arch/parisc/kernel/pci.c
View File

@ -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, int bar,
struct vm_area_struct *vma,
enum pci_mmap_state mmap_state, int write_combine)
{
unsigned long prot;

3
arch/powerpc/kernel/pci-common.c
View File

@ -513,7 +513,8 @@ 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, int bar,
struct vm_area_struct *vma,
enum pci_mmap_state mmap_state, int write_combine)
{
resource_size_t offset =

3
arch/sh/drivers/pci/pci.c
View File

@ -269,7 +269,8 @@ void __ref 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, int bar,
struct vm_area_struct *vma,
enum pci_mmap_state mmap_state, int write_combine)
{
/*

6
arch/sparc/kernel/pci.c
View File

@ -862,9 +862,9 @@ 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,
enum pci_mmap_state mmap_state,
int write_combine)
int pci_mmap_page_range(struct pci_dev *dev, int bar,
struct vm_area_struct *vma,
enum pci_mmap_state mmap_state, int write_combine)
{
int ret;

3
arch/unicore32/kernel/pci.c
View File

@ -357,7 +357,8 @@ 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, int bar,
struct vm_area_struct *vma,
enum pci_mmap_state mmap_state, int write_combine)
{
unsigned long phys;

3
arch/x86/pci/i386.c
View File

@ -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, int bar,
struct vm_area_struct *vma,
enum pci_mmap_state mmap_state, int write_combine)
{
unsigned long prot;

3
arch/xtensa/kernel/pci.c
View File

@ -343,7 +343,8 @@ __pci_mmap_make_offset(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, int bar,
struct vm_area_struct *vma,
enum pci_mmap_state mmap_state,
int write_combine)
{

2
drivers/pci/pci-sysfs.c
View File

@ -1041,7 +1041,7 @@ static int pci_mmap_resource(struct kobject *kobj, struct bin_attribute *attr,
pci_resource_to_user(pdev, bar, 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, bar, vma, mmap_type, write_combine);
}
static int pci_mmap_resource_uc(struct file *filp, struct kobject *kobj,

2
drivers/pci/proc.c
View File

@ -262,7 +262,7 @@ static int proc_bus_pci_mmap(struct file *file, struct vm_area_struct *vma)
else
return -EINVAL;
}
ret = pci_mmap_page_range(dev, vma,
ret = pci_mmap_page_range(dev, i, vma,
fpriv->mmap_state, write_combine);
if (ret < 0)
return ret;

3
include/linux/pci.h
View File

@ -1630,7 +1630,8 @@ static inline int pci_get_new_domain_nr(void) { return -ENOSYS; }
* Architectures provide this function if they set HAVE_PCI_MMAP, and
* it accepts the 'write_combine' argument when arch_can_pci_mmap_wc()
* evaluates to nonzero. */
int pci_mmap_page_range(struct pci_dev *pdev, struct vm_area_struct *vma,
int pci_mmap_page_range(struct pci_dev *pdev, int bar,
struct vm_area_struct *vma,
enum pci_mmap_state mmap_state, int write_combine);
#ifndef arch_can_pci_mmap_wc