diff options
Diffstat (limited to 'src/devices')
| -rw-r--r-- | src/devices/device_util.c | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/src/devices/device_util.c b/src/devices/device_util.c index a03d983dbc..692e40c6b0 100644 --- a/src/devices/device_util.c +++ b/src/devices/device_util.c @@ -554,3 +554,143 @@ void disable_children(struct bus *bus) dev_set_enabled(child, 0); } } + +void resource_tree(struct device *root, int debug_level, int depth) +{ + int i = 0, link = 0; + struct device *child; + char indent[30]; /* If your tree has more levels, it's wrong. */ + + for (i = 0; i < depth + 1 && i < 29; i++) + indent[i] = ' '; + indent[i] = '\0'; + + do_printk(BIOS_DEBUG, "%s%s links %x child on link 0 %s\n", + indent, dev_path(root), root->links, + root->link[0].children ? dev_path(root->link[0].children) : + "NULL"); + for (i = 0; i < root->resources; i++) { + do_printk(BIOS_DEBUG, + "%s%s resource base %llx size %llx align %d gran %d limit %llx flags %lx index %lx\n", + indent, dev_path(root), root->resource[i].base, + root->resource[i].size, root->resource[i].align, + root->resource[i].gran, root->resource[i].limit, + root->resource[i].flags, root->resource[i].index); + } + + for (link = 0; link < root->links; link++) { + for (child = root->link[link].children; child; + child = child->sibling) + resource_tree(child, debug_level, depth + 1); + } +} + +void print_resource_tree(struct device * root, int debug_level, + const char *msg) +{ + /* Bail if root is null. */ + if (!root) { + do_printk(debug_level, "%s passed NULL for root!\n", __func__); + return; + } + + /* Bail if not printing to screen. */ + if (!do_printk(debug_level, "Show resources in subtree (%s)...%s\n", + dev_path(root), msg)) + return; + resource_tree(root, debug_level, 0); +} + +void show_devs_tree(struct device *dev, int debug_level, int depth, int linknum) +{ + char depth_str[20] = ""; + int i; + struct device *sibling; + for (i = 0; i < depth; i++) + depth_str[i] = ' '; + depth_str[i] = '\0'; + do_printk(debug_level, "%s%s: enabled %d, %d resources\n", + depth_str, dev_path(dev), dev->enabled, dev->resources); + for (i = 0; i < dev->links; i++) { + for (sibling = dev->link[i].children; sibling; + sibling = sibling->sibling) + show_devs_tree(sibling, debug_level, depth + 1, i); + } +} + +void show_all_devs_tree(int debug_level, const char *msg) +{ + /* Bail if not printing to screen. */ + if (!do_printk(debug_level, "Show all devs in tree form...%s\n", msg)) + return; + show_devs_tree(all_devices, debug_level, 0, -1); +} + +void show_devs_subtree(struct device *root, int debug_level, const char *msg) +{ + /* Bail if not printing to screen. */ + if (!do_printk(debug_level, "Show all devs in subtree %s...%s\n", + dev_path(root), msg)) + return; + do_printk(debug_level, "%s\n", msg); + show_devs_tree(root, debug_level, 0, -1); +} + +void show_all_devs(int debug_level, const char *msg) +{ + struct device *dev; + + /* Bail if not printing to screen. */ + if (!do_printk(debug_level, "Show all devs...%s\n", msg)) + return; + for (dev = all_devices; dev; dev = dev->next) { + do_printk(debug_level, + "%s: enabled %d, %d resources\n", + dev_path(dev), dev->enabled, + dev->resources); + } +} + +void show_one_resource(int debug_level, struct device *dev, + struct resource *resource, const char *comment) +{ + char buf[10]; + unsigned long long base, end; + base = resource->base; + end = resource_end(resource); + buf[0] = '\0'; +/* + if (resource->flags & IORESOURCE_BRIDGE) { +#if PCI_BUS_SEGN_BITS + sprintf(buf, "bus %04x:%02x ", dev->bus->secondary >> 8, + dev->link[0].secondary & 0xff); +#else + sprintf(buf, "bus %02x ", dev->link[0].secondary); +#endif + } +*/ + do_printk(debug_level, "%s %02lx <- [0x%010llx - 0x%010llx] " + "size 0x%08Lx gran 0x%02x %s%s%s\n", + dev_path(dev), resource->index, base, end, + resource->size, resource->gran, buf, + resource_type(resource), comment); + +} + +void show_all_devs_resources(int debug_level, const char* msg) +{ + struct device *dev; + + if(!do_printk(debug_level, "Show all devs with resources...%s\n", msg)) + return; + + for (dev = all_devices; dev; dev = dev->next) { + int i; + do_printk(debug_level, + "%s: enabled %d, %d resources\n", + dev_path(dev), dev->enabled, + dev->resources); + for (i = 0; i < dev->resources; i++) + show_one_resource(debug_level, dev, &dev->resource[i], ""); + } +} |