#include <linux/topology.h>
#include <linux/mm.h>
#include <linux/capability.h>
+#include <linux/pci-aspm.h>
#include "pci.h"
static int sysfs_initialized; /* = 0 */
mask = pcibus_to_cpumask(to_pci_dev(dev)->bus);
len = cpumask_scnprintf(buf, PAGE_SIZE-2, mask);
- strcat(buf,"\n");
- return 1+len;
+ buf[len++] = '\n';
+ buf[len] = '\0';
+ return len;
+}
+
+
+static ssize_t local_cpulist_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ cpumask_t mask;
+ int len;
+
+ mask = pcibus_to_cpumask(to_pci_dev(dev)->bus);
+ len = cpulist_scnprintf(buf, PAGE_SIZE-2, mask);
+ buf[len++] = '\n';
+ buf[len] = '\0';
+ return len;
}
/* show resources */
__ATTR_RO(class),
__ATTR_RO(irq),
__ATTR_RO(local_cpus),
+ __ATTR_RO(local_cpulist),
__ATTR_RO(modalias),
#ifdef CONFIG_NUMA
__ATTR_RO(numa_node),
return count;
}
+static ssize_t
+pci_read_vpd(struct kobject *kobj, struct bin_attribute *bin_attr,
+ char *buf, loff_t off, size_t count)
+{
+ struct pci_dev *dev =
+ to_pci_dev(container_of(kobj, struct device, kobj));
+ int end;
+ int ret;
+
+ if (off > bin_attr->size)
+ count = 0;
+ else if (count > bin_attr->size - off)
+ count = bin_attr->size - off;
+ end = off + count;
+
+ while (off < end) {
+ ret = dev->vpd->ops->read(dev, off, end - off, buf);
+ if (ret < 0)
+ return ret;
+ buf += ret;
+ off += ret;
+ }
+
+ return count;
+}
+
+static ssize_t
+pci_write_vpd(struct kobject *kobj, struct bin_attribute *bin_attr,
+ char *buf, loff_t off, size_t count)
+{
+ struct pci_dev *dev =
+ to_pci_dev(container_of(kobj, struct device, kobj));
+ int end;
+ int ret;
+
+ if (off > bin_attr->size)
+ count = 0;
+ else if (count > bin_attr->size - off)
+ count = bin_attr->size - off;
+ end = off + count;
+
+ while (off < end) {
+ ret = dev->vpd->ops->write(dev, off, end - off, buf);
+ if (ret < 0)
+ return ret;
+ buf += ret;
+ off += ret;
+ }
+
+ return count;
+}
+
#ifdef HAVE_PCI_LEGACY
/**
* pci_read_legacy_io - read byte(s) from legacy I/O port space
char *buf, loff_t off, size_t count)
{
struct pci_bus *bus = to_pci_bus(container_of(kobj,
- struct class_device,
+ struct device,
kobj));
/* Only support 1, 2 or 4 byte accesses */
char *buf, loff_t off, size_t count)
{
struct pci_bus *bus = to_pci_bus(container_of(kobj,
- struct class_device,
+ struct device,
kobj));
/* Only support 1, 2 or 4 byte accesses */
if (count != 1 && count != 2 && count != 4)
struct vm_area_struct *vma)
{
struct pci_bus *bus = to_pci_bus(container_of(kobj,
- struct class_device,
+ struct device,
kobj));
return pci_mmap_legacy_page_range(bus, vma);
int __must_check pci_create_sysfs_dev_files (struct pci_dev *pdev)
{
- struct bin_attribute *rom_attr = NULL;
+ struct bin_attribute *attr = NULL;
int retval;
if (!sysfs_initialized)
if (retval)
goto err;
+ /* If the device has VPD, try to expose it in sysfs. */
+ if (pdev->vpd) {
+ attr = kzalloc(sizeof(*attr), GFP_ATOMIC);
+ if (attr) {
+ pdev->vpd->attr = attr;
+ attr->size = pdev->vpd->ops->get_size(pdev);
+ attr->attr.name = "vpd";
+ attr->attr.mode = S_IRUGO | S_IWUSR;
+ attr->read = pci_read_vpd;
+ attr->write = pci_write_vpd;
+ retval = sysfs_create_bin_file(&pdev->dev.kobj, attr);
+ if (retval)
+ goto err_vpd;
+ } else {
+ retval = -ENOMEM;
+ goto err_config_file;
+ }
+ }
+
retval = pci_create_resource_files(pdev);
if (retval)
- goto err_bin_file;
+ goto err_vpd_file;
/* If the device has a ROM, try to expose it in sysfs. */
if (pci_resource_len(pdev, PCI_ROM_RESOURCE) ||
(pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW)) {
- rom_attr = kzalloc(sizeof(*rom_attr), GFP_ATOMIC);
- if (rom_attr) {
- pdev->rom_attr = rom_attr;
- rom_attr->size = pci_resource_len(pdev, PCI_ROM_RESOURCE);
- rom_attr->attr.name = "rom";
- rom_attr->attr.mode = S_IRUSR;
- rom_attr->read = pci_read_rom;
- rom_attr->write = pci_write_rom;
- retval = sysfs_create_bin_file(&pdev->dev.kobj, rom_attr);
+ attr = kzalloc(sizeof(*attr), GFP_ATOMIC);
+ if (attr) {
+ pdev->rom_attr = attr;
+ attr->size = pci_resource_len(pdev, PCI_ROM_RESOURCE);
+ attr->attr.name = "rom";
+ attr->attr.mode = S_IRUSR;
+ attr->read = pci_read_rom;
+ attr->write = pci_write_rom;
+ retval = sysfs_create_bin_file(&pdev->dev.kobj, attr);
if (retval)
goto err_rom;
} else {
if (pcibios_add_platform_entries(pdev))
goto err_rom_file;
+ pcie_aspm_create_sysfs_dev_files(pdev);
+
return 0;
err_rom_file:
if (pci_resource_len(pdev, PCI_ROM_RESOURCE))
- sysfs_remove_bin_file(&pdev->dev.kobj, rom_attr);
+ sysfs_remove_bin_file(&pdev->dev.kobj, pdev->rom_attr);
err_rom:
- kfree(rom_attr);
+ kfree(pdev->rom_attr);
err_resource_files:
pci_remove_resource_files(pdev);
-err_bin_file:
+err_vpd_file:
+ if (pdev->vpd) {
+ sysfs_remove_bin_file(&pdev->dev.kobj, pdev->vpd->attr);
+err_vpd:
+ kfree(pdev->vpd->attr);
+ }
+err_config_file:
if (pdev->cfg_size < 4096)
sysfs_remove_bin_file(&pdev->dev.kobj, &pci_config_attr);
else
if (!sysfs_initialized)
return;
+ pcie_aspm_remove_sysfs_dev_files(pdev);
+
+ if (pdev->vpd) {
+ sysfs_remove_bin_file(&pdev->dev.kobj, pdev->vpd->attr);
+ kfree(pdev->vpd->attr);
+ }
if (pdev->cfg_size < 4096)
sysfs_remove_bin_file(&pdev->dev.kobj, &pci_config_attr);
else
sysfs_initialized = 1;
for_each_pci_dev(pdev) {
retval = pci_create_sysfs_dev_files(pdev);
- if (retval)
+ if (retval) {
+ pci_dev_put(pdev);
return retval;
+ }
}
return 0;
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