diff options
Diffstat (limited to 'src/include')
| -rw-r--r-- | src/include/memrange.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/include/memrange.h b/src/include/memrange.h index 4f094f593e..ba85bef4d9 100644 --- a/src/include/memrange.h +++ b/src/include/memrange.h @@ -94,6 +94,19 @@ void memranges_add_resources(struct memranges *ranges, unsigned long mask, unsigned long match, unsigned long tag); +/* Add memory resources that match with the corresponding mask and match but + * also provide filter as additional check. The filter will return non-zero + * to add the resource or zero to not add the resource. Each entry will be + * tagged with the provided tag. e.g. To populate all cacheable memory + * resources in the range with a filter: + * memranges_add_resources_filter(range, IORESOURCE_CACHEABLE, + * IORESROUCE_CACHEABLE, my_cacheable_tag, filter); */ +typedef int (*memrange_filter_t)(struct device *dev, struct resource *res); +void memranges_add_resources_filter(struct memranges *ranges, + unsigned long mask, unsigned long match, + unsigned long tag, + memrange_filter_t filter); + /* Fill all address ranges up to limit (exclusive) not covered by an entry by * inserting new entries with the provided tag. */ void memranges_fill_holes_up_to(struct memranges *ranges, |