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)
(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),
__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,
};
if ((off & 1) && size) {
u8 val;
- pci_read_config_byte(dev, off, &val);
+ pci_user_read_config_byte(dev, off, &val);
data[off - init_off] = val;
off++;
size--;
if ((off & 3) && size > 2) {
u16 val;
- pci_read_config_word(dev, off, &val);
+ pci_user_read_config_word(dev, off, &val);
data[off - init_off] = val & 0xff;
data[off - init_off + 1] = (val >> 8) & 0xff;
off += 2;
while (size > 3) {
u32 val;
- pci_read_config_dword(dev, off, &val);
+ pci_user_read_config_dword(dev, off, &val);
data[off - init_off] = val & 0xff;
data[off - init_off + 1] = (val >> 8) & 0xff;
data[off - init_off + 2] = (val >> 16) & 0xff;
if (size >= 2) {
u16 val;
- pci_read_config_word(dev, off, &val);
+ pci_user_read_config_word(dev, off, &val);
data[off - init_off] = val & 0xff;
data[off - init_off + 1] = (val >> 8) & 0xff;
off += 2;
if (size > 0) {
u8 val;
- pci_read_config_byte(dev, off, &val);
+ pci_user_read_config_byte(dev, off, &val);
data[off - init_off] = val;
off++;
--size;
}
if ((off & 1) && size) {
- pci_write_config_byte(dev, off, data[off - init_off]);
+ pci_user_write_config_byte(dev, off, data[off - init_off]);
off++;
size--;
}
if ((off & 3) && size > 2) {
u16 val = data[off - init_off];
val |= (u16) data[off - init_off + 1] << 8;
- pci_write_config_word(dev, off, val);
+ pci_user_write_config_word(dev, off, val);
off += 2;
size -= 2;
}
val |= (u32) data[off - init_off + 1] << 8;
val |= (u32) data[off - init_off + 2] << 16;
val |= (u32) data[off - init_off + 3] << 24;
- pci_write_config_dword(dev, off, val);
+ pci_user_write_config_dword(dev, off, val);
off += 4;
size -= 4;
}
if (size >= 2) {
u16 val = data[off - init_off];
val |= (u16) data[off - init_off + 1] << 8;
- pci_write_config_word(dev, off, val);
+ pci_user_write_config_word(dev, off, val);
off += 2;
size -= 2;
}
if (size) {
- pci_write_config_byte(dev, off, data[off - init_off]);
+ pci_user_write_config_byte(dev, off, data[off - init_off]);
off++;
--size;
}
continue;
/* allocate attribute structure, piggyback attribute name */
- res_attr = kcalloc(1, sizeof(*res_attr) + 10, GFP_ATOMIC);
+ res_attr = kzalloc(sizeof(*res_attr) + 10, GFP_ATOMIC);
if (res_attr) {
char *res_attr_name = (char *)(res_attr + 1);
if (pci_resource_len(pdev, PCI_ROM_RESOURCE)) {
struct bin_attribute *rom_attr;
- rom_attr = kmalloc(sizeof(*rom_attr), GFP_ATOMIC);
+ rom_attr = kzalloc(sizeof(*rom_attr), GFP_ATOMIC);
if (rom_attr) {
- memset(rom_attr, 0x00, sizeof(*rom_attr));
pdev->rom_attr = rom_attr;
rom_attr->size = pci_resource_len(pdev, PCI_ROM_RESOURCE);
rom_attr->attr.name = "rom";