loff_t new = -1;
struct inode *inode = file->f_dentry->d_inode;
- down(&inode->i_sem);
+ mutex_lock(&inode->i_mutex);
switch (whence) {
case 0:
new = off;
new = -EINVAL;
else
file->f_pos = new;
- up(&inode->i_sem);
+ mutex_unlock(&inode->i_mutex);
return new;
}
#endif /* HAVE_PCI_MMAP */
};
-#if BITS_PER_LONG == 32
-#define LONG_FORMAT "\t%08lx"
-#else
-#define LONG_FORMAT "\t%16lx"
-#endif
-
/* iterator */
static void *pci_seq_start(struct seq_file *m, loff_t *pos)
{
dev->irq);
/* Here should be 7 and not PCI_NUM_RESOURCES as we need to preserve compatibility */
for (i=0; i<7; i++) {
- u64 start, end;
+ resource_size_t start, end;
pci_resource_to_user(dev, i, &dev->resource[i], &start, &end);
- seq_printf(m, LONG_FORMAT,
- ((unsigned long)start) |
- (dev->resource[i].flags & PCI_REGION_FLAG_MASK));
+ seq_printf(m, "\t%16llx",
+ (unsigned long long)(start |
+ (dev->resource[i].flags & PCI_REGION_FLAG_MASK)));
}
for (i=0; i<7; i++) {
- u64 start, end;
+ resource_size_t start, end;
pci_resource_to_user(dev, i, &dev->resource[i], &start, &end);
- seq_printf(m, LONG_FORMAT,
+ seq_printf(m, "\t%16llx",
dev->resource[i].start < dev->resource[i].end ?
- (unsigned long)(end - start) + 1 : 0);
+ (unsigned long long)(end - start) + 1 : 0);
}
seq_putc(m, '\t');
if (drv)
return 0;
}
+#if 0
int pci_proc_attach_bus(struct pci_bus* bus)
{
struct proc_dir_entry *de = bus->procdir;
}
return 0;
}
+#endif /* 0 */
int pci_proc_detach_bus(struct pci_bus* bus)
{
return 0;
}
-#ifdef CONFIG_PCI_LEGACY_PROC
-
-/*
- * Backward compatible /proc/pci interface.
- */
-
-/*
- * Convert some of the configuration space registers of the device at
- * address (bus,devfn) into a string (possibly several lines each).
- * The configuration string is stored starting at buf[len]. If the
- * string would exceed the size of the buffer (SIZE), 0 is returned.
- */
-static int show_dev_config(struct seq_file *m, void *v)
-{
- struct pci_dev *dev = v;
- struct pci_dev *first_dev;
- struct pci_driver *drv;
- u32 class_rev;
- unsigned char latency, min_gnt, max_lat;
- int reg;
-
- first_dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, NULL);
- if (dev == first_dev)
- seq_puts(m, "PCI devices found:\n");
- pci_dev_put(first_dev);
-
- drv = pci_dev_driver(dev);
-
- pci_user_read_config_dword(dev, PCI_CLASS_REVISION, &class_rev);
- pci_user_read_config_byte (dev, PCI_LATENCY_TIMER, &latency);
- pci_user_read_config_byte (dev, PCI_MIN_GNT, &min_gnt);
- pci_user_read_config_byte (dev, PCI_MAX_LAT, &max_lat);
- seq_printf(m, " Bus %2d, device %3d, function %2d:\n",
- dev->bus->number, PCI_SLOT(dev->devfn), PCI_FUNC(dev->devfn));
- seq_printf(m, " Class %04x", class_rev >> 16);
- seq_printf(m, ": PCI device %04x:%04x", dev->vendor, dev->device);
- seq_printf(m, " (rev %d).\n", class_rev & 0xff);
-
- if (dev->irq)
- seq_printf(m, " IRQ %d.\n", dev->irq);
-
- if (latency || min_gnt || max_lat) {
- seq_printf(m, " Master Capable. ");
- if (latency)
- seq_printf(m, "Latency=%d. ", latency);
- else
- seq_puts(m, "No bursts. ");
- if (min_gnt)
- seq_printf(m, "Min Gnt=%d.", min_gnt);
- if (max_lat)
- seq_printf(m, "Max Lat=%d.", max_lat);
- seq_putc(m, '\n');
- }
-
- for (reg = 0; reg < 6; reg++) {
- struct resource *res = dev->resource + reg;
- unsigned long base, end, flags;
-
- base = res->start;
- end = res->end;
- flags = res->flags;
- if (!end)
- continue;
-
- if (flags & PCI_BASE_ADDRESS_SPACE_IO) {
- seq_printf(m, " I/O at 0x%lx [0x%lx].\n",
- base, end);
- } else {
- const char *pref, *type = "unknown";
-
- if (flags & PCI_BASE_ADDRESS_MEM_PREFETCH)
- pref = "P";
- else
- pref = "Non-p";
- switch (flags & PCI_BASE_ADDRESS_MEM_TYPE_MASK) {
- case PCI_BASE_ADDRESS_MEM_TYPE_32:
- type = "32 bit"; break;
- case PCI_BASE_ADDRESS_MEM_TYPE_1M:
- type = "20 bit"; break;
- case PCI_BASE_ADDRESS_MEM_TYPE_64:
- type = "64 bit"; break;
- }
- seq_printf(m, " %srefetchable %s memory at "
- "0x%lx [0x%lx].\n", pref, type,
- base,
- end);
- }
- }
- return 0;
-}
-
-static struct seq_operations proc_pci_op = {
- .start = pci_seq_start,
- .next = pci_seq_next,
- .stop = pci_seq_stop,
- .show = show_dev_config
-};
-
-static int proc_pci_open(struct inode *inode, struct file *file)
-{
- return seq_open(file, &proc_pci_op);
-}
-static struct file_operations proc_pci_operations = {
- .open = proc_pci_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = seq_release,
-};
-
-static void legacy_proc_init(void)
-{
- struct proc_dir_entry * entry = create_proc_entry("pci", 0, NULL);
- if (entry)
- entry->proc_fops = &proc_pci_operations;
-}
-
-#else
-
-static void legacy_proc_init(void)
-{
-
-}
-
-#endif /* CONFIG_PCI_LEGACY_PROC */
-
static int proc_bus_pci_dev_open(struct inode *inode, struct file *file)
{
return seq_open(file, &proc_bus_pci_devices_op);
while ((dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev)) != NULL) {
pci_proc_attach_device(dev);
}
- legacy_proc_init();
return 0;
}
#ifdef CONFIG_HOTPLUG
EXPORT_SYMBOL(pci_proc_attach_device);
-EXPORT_SYMBOL(pci_proc_attach_bus);
EXPORT_SYMBOL(pci_proc_detach_bus);
#endif