#include <linux/stat.h>
#include <linux/topology.h>
#include <linux/mm.h>
-
+#include <linux/capability.h>
#include "pci.h"
static int sysfs_initialized; /* = 0 */
pci_config_attr(subsystem_device, "0x%04x\n");
pci_config_attr(class, "0x%06x\n");
pci_config_attr(irq, "%u\n");
-pci_config_attr(is_enabled, "%u\n");
static ssize_t broken_parity_status_show(struct device *dev,
struct device_attribute *attr,
(u8)(pci_dev->class >> 16), (u8)(pci_dev->class >> 8),
(u8)(pci_dev->class));
}
-static ssize_t
-is_enabled_store(struct device *dev, struct device_attribute *attr,
- const char *buf, size_t count)
+
+static ssize_t is_enabled_store(struct device *dev,
+ struct device_attribute *attr, const char *buf,
+ size_t count)
{
+ ssize_t result = -EINVAL;
struct pci_dev *pdev = to_pci_dev(dev);
- int retval = 0;
/* this can crash the machine when done on the "wrong" device */
if (!capable(CAP_SYS_ADMIN))
return count;
- if (*buf == '0')
- pci_disable_device(pdev);
+ if (*buf == '0') {
+ if (atomic_read(&pdev->enable_cnt) != 0)
+ pci_disable_device(pdev);
+ else
+ result = -EIO;
+ } else if (*buf == '1')
+ result = pci_enable_device(pdev);
+
+ return result < 0 ? result : count;
+}
- if (*buf == '1')
- retval = pci_enable_device(pdev);
+static ssize_t is_enabled_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct pci_dev *pdev;
- if (retval)
- return retval;
- return count;
+ pdev = to_pci_dev (dev);
+ return sprintf (buf, "%u\n", atomic_read(&pdev->enable_cnt));
}
+#ifdef CONFIG_NUMA
+static ssize_t
+numa_node_show(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ return sprintf (buf, "%d\n", dev->numa_node);
+}
+#endif
+
static ssize_t
msi_bus_show(struct device *dev, struct device_attribute *attr, char *buf)
{
__ATTR_RO(irq),
__ATTR_RO(local_cpus),
__ATTR_RO(modalias),
+#ifdef CONFIG_NUMA
+ __ATTR_RO(numa_node),
+#endif
__ATTR(enable, 0600, is_enabled_show, is_enabled_store),
__ATTR(broken_parity_status,(S_IRUGO|S_IWUSR),
broken_parity_status_show,broken_parity_status_store),
};
static ssize_t
-pci_read_config(struct kobject *kobj, char *buf, loff_t off, size_t count)
+pci_read_config(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));
unsigned int size = 64;
}
static ssize_t
-pci_write_config(struct kobject *kobj, char *buf, loff_t off, size_t count)
+pci_write_config(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));
unsigned int size = count;
* callback routine (pci_legacy_read).
*/
ssize_t
-pci_read_legacy_io(struct kobject *kobj, char *buf, loff_t off, size_t count)
+pci_read_legacy_io(struct kobject *kobj, struct bin_attribute *bin_attr,
+ char *buf, loff_t off, size_t count)
{
struct pci_bus *bus = to_pci_bus(container_of(kobj,
struct class_device,
* callback routine (pci_legacy_write).
*/
ssize_t
-pci_write_legacy_io(struct kobject *kobj, char *buf, loff_t off, size_t count)
+pci_write_legacy_io(struct kobject *kobj, struct bin_attribute *bin_attr,
+ char *buf, loff_t off, size_t count)
{
struct pci_bus *bus = to_pci_bus(container_of(kobj,
struct class_device,
sprintf(res_attr_name, "resource%d", i);
res_attr->attr.name = res_attr_name;
res_attr->attr.mode = S_IRUSR | S_IWUSR;
- res_attr->attr.owner = THIS_MODULE;
res_attr->size = pci_resource_len(pdev, i);
res_attr->mmap = pci_mmap_resource;
res_attr->private = &pdev->resource[i];
* writing anything except 0 enables it
*/
static ssize_t
-pci_write_rom(struct kobject *kobj, char *buf, loff_t off, size_t count)
+pci_write_rom(struct kobject *kobj, struct bin_attribute *bin_attr,
+ char *buf, loff_t off, size_t count)
{
struct pci_dev *pdev = to_pci_dev(container_of(kobj, struct device, kobj));
* device corresponding to @kobj.
*/
static ssize_t
-pci_read_rom(struct kobject *kobj, char *buf, loff_t off, size_t count)
+pci_read_rom(struct kobject *kobj, struct bin_attribute *bin_attr,
+ char *buf, loff_t off, size_t count)
{
struct pci_dev *pdev = to_pci_dev(container_of(kobj, struct device, kobj));
void __iomem *rom;
.attr = {
.name = "config",
.mode = S_IRUGO | S_IWUSR,
- .owner = THIS_MODULE,
},
.size = 256,
.read = pci_read_config,
.attr = {
.name = "config",
.mode = S_IRUGO | S_IWUSR,
- .owner = THIS_MODULE,
},
.size = 4096,
.read = pci_read_config,
.write = pci_write_config,
};
+int __attribute__ ((weak)) pcibios_add_platform_entries(struct pci_dev *dev)
+{
+ return 0;
+}
+
int __must_check pci_create_sysfs_dev_files (struct pci_dev *pdev)
{
struct bin_attribute *rom_attr = NULL;
goto err_bin_file;
/* If the device has a ROM, try to expose it in sysfs. */
- if (pci_resource_len(pdev, PCI_ROM_RESOURCE)) {
+ 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->attr.owner = THIS_MODULE;
rom_attr->read = pci_read_rom;
rom_attr->write = pci_write_rom;
retval = sysfs_create_bin_file(&pdev->dev.kobj, rom_attr);
goto err_rom;
} else {
retval = -ENOMEM;
- goto err_bin_file;
+ goto err_resource_files;
}
}
/* add platform-specific attributes */
- pcibios_add_platform_entries(pdev);
+ if (pcibios_add_platform_entries(pdev))
+ goto err_rom_file;
return 0;
+err_rom_file:
+ if (pci_resource_len(pdev, PCI_ROM_RESOURCE))
+ sysfs_remove_bin_file(&pdev->dev.kobj, rom_attr);
err_rom:
kfree(rom_attr);
+err_resource_files:
+ pci_remove_resource_files(pdev);
err_bin_file:
if (pdev->cfg_size < 4096)
sysfs_remove_bin_file(&pdev->dev.kobj, &pci_config_attr);
*/
void pci_remove_sysfs_dev_files(struct pci_dev *pdev)
{
+ if (!sysfs_initialized)
+ return;
+
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;
}
-__initcall(pci_sysfs_init);
+late_initcall(pci_sysfs_init);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff