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authorDave Jones <davej@redhat.com>2006-06-29 16:01:54 -0400
committerDave Jones <davej@redhat.com>2006-06-29 16:01:54 -0400
commit55b4d6a52195a8f277ffddf755ddaff359878f41 (patch)
tree06a3183a562f8da4688f65023f7a18dcad702956 /drivers/pci/pci-sysfs.c
parentadf8a287150667feb5747f8beade62acacc17d4e (diff)
parent1f1332f727c3229eb2166a83fec5d3de6a73dce2 (diff)
Merge ../linus
Conflicts: drivers/char/agp/Kconfig
Diffstat (limited to 'drivers/pci/pci-sysfs.c')
-rw-r--r--drivers/pci/pci-sysfs.c49
1 files changed, 47 insertions, 2 deletions
diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c
index 56ac2bc003c7..606f9b6f70eb 100644
--- a/drivers/pci/pci-sysfs.c
+++ b/drivers/pci/pci-sysfs.c
@@ -43,6 +43,29 @@ pci_config_attr(subsystem_vendor, "0x%04x\n");
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,
+ char *buf)
+{
+ struct pci_dev *pdev = to_pci_dev(dev);
+ return sprintf (buf, "%u\n", pdev->broken_parity_status);
+}
+
+static ssize_t broken_parity_status_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct pci_dev *pdev = to_pci_dev(dev);
+ ssize_t consumed = -EINVAL;
+
+ if ((count > 0) && (*buf == '0' || *buf == '1')) {
+ pdev->broken_parity_status = *buf == '1' ? 1 : 0;
+ consumed = count;
+ }
+ return consumed;
+}
static ssize_t local_cpus_show(struct device *dev,
struct device_attribute *attr, char *buf)
@@ -64,7 +87,7 @@ resource_show(struct device * dev, struct device_attribute *attr, char * buf)
char * str = buf;
int i;
int max = 7;
- u64 start, end;
+ resource_size_t start, end;
if (pci_dev->subordinate)
max = DEVICE_COUNT_RESOURCE;
@@ -90,6 +113,25 @@ static ssize_t modalias_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)
+{
+ struct pci_dev *pdev = to_pci_dev(dev);
+
+ /* 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 == '1')
+ pci_enable_device(pdev);
+
+ return count;
+}
+
struct device_attribute pci_dev_attrs[] = {
__ATTR_RO(resource),
@@ -101,6 +143,9 @@ struct device_attribute pci_dev_attrs[] = {
__ATTR_RO(irq),
__ATTR_RO(local_cpus),
__ATTR_RO(modalias),
+ __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),
__ATTR_NULL,
};
@@ -320,7 +365,7 @@ pci_mmap_resource(struct kobject *kobj, struct bin_attribute *attr,
struct device, kobj));
struct resource *res = (struct resource *)attr->private;
enum pci_mmap_state mmap_type;
- u64 start, end;
+ resource_size_t start, end;
int i;
for (i = 0; i < PCI_ROM_RESOURCE; i++)