#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++) {
- resource_size_t start, end;
+ u64 start, end;
pci_resource_to_user(dev, i, &dev->resource[i], &start, &end);
- seq_printf(m, "\t%16llx",
- (unsigned long long)(start |
- (dev->resource[i].flags & PCI_REGION_FLAG_MASK)));
+ seq_printf(m, LONG_FORMAT,
+ ((unsigned long)start) |
+ (dev->resource[i].flags & PCI_REGION_FLAG_MASK));
}
for (i=0; i<7; i++) {
- resource_size_t start, end;
+ u64 start, end;
pci_resource_to_user(dev, i, &dev->resource[i], &start, &end);
- seq_printf(m, "\t%16llx",
+ seq_printf(m, LONG_FORMAT,
dev->resource[i].start < dev->resource[i].end ?
- (unsigned long long)(end - start) + 1 : 0);
+ (unsigned long)(end - start) + 1 : 0);
}
seq_putc(m, '\t');
if (drv)
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;
}
git://git.onelab.eu / linux-2.6.git / blobdiff