提交 f66e2258 编写于 作者: D David Woodhouse 提交者: Bjorn Helgaas

PCI: Add BAR index argument to pci_mmap_page_range()

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: NDavid Woodhouse <dwmw@amazon.co.uk>
Signed-off-by: NBjorn Helgaas <bhelgaas@google.com>
上级 dca40b18
......@@ -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)
......
......@@ -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;
......
......@@ -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;
......
......@@ -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 =
......
......@@ -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;
......
......@@ -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;
......
......@@ -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;
......
......@@ -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 =
......
......@@ -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)
{
/*
......
......@@ -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;
......
......@@ -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;
......
......@@ -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;
......
......@@ -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)
{
......
......@@ -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,
......
......@@ -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;
......
......@@ -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
......
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