diff options
Diffstat (limited to 'src/devices/device_util.c')
| -rw-r--r-- | src/devices/device_util.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/src/devices/device_util.c b/src/devices/device_util.c index 56a96015b8..fd8fdcf9b8 100644 --- a/src/devices/device_util.c +++ b/src/devices/device_util.c @@ -2,6 +2,7 @@ #include <device/device.h> #include <device/path.h> #include <device/pci.h> +#include <device/resource.h> #include <string.h> /** @@ -388,3 +389,54 @@ void report_resource_stored(device_t dev, struct resource *resource, const char comment); } } + +void search_bus_resources(struct bus *bus, + unsigned long type_mask, unsigned long type, + resource_search_t search, void *gp) +{ + struct device *curdev; + for(curdev = bus->children; curdev; curdev = curdev->sibling) { + int i; + /* Ignore disabled devices */ + if (!curdev->have_resources) continue; + for(i = 0; i < curdev->resources; i++) { + struct resource *resource = &curdev->resource[i]; + /* If it isn't the right kind of resource ignore it */ + if ((resource->flags & type_mask) != type) { + continue; + } + /* If it is a subtractive resource recurse */ + if (resource->flags & IORESOURCE_SUBTRACTIVE) { + struct bus * subbus; + subbus = &curdev->link[IOINDEX_SUBTRACTIVE_LINK(resource->index)]; + search_bus_resources(subbus, type_mask, type, search, gp); + continue; + } + search(gp, curdev, resource); + } + } +} + +void search_global_resources( + unsigned long type_mask, unsigned long type, + resource_search_t search, void *gp) +{ + struct device *curdev; + for(curdev = all_devices; curdev; curdev = curdev->next) { + int i; + /* Ignore disabled devices */ + if (!curdev->have_resources) continue; + for(i = 0; i < curdev->resources; i++) { + struct resource *resource = &curdev->resource[i]; + /* If it isn't the right kind of resource ignore it */ + if ((resource->flags & type_mask) != type) { + continue; + } + /* If it is a subtractive resource ignore it */ + if (resource->flags & IORESOURCE_SUBTRACTIVE) { + continue; + } + search(gp, curdev, resource); + } + } +} |