diff options
author | Igor Mammedov <imammedo@redhat.com> | 2014-10-31 16:38:37 +0000 |
---|---|---|
committer | Michael S. Tsirkin <mst@redhat.com> | 2014-11-23 12:11:30 +0200 |
commit | a2b257d6212ade772473f86bf0637480b2578a7e (patch) | |
tree | b4b86c7b8887920f8bff0b3e8ca498b574d64f00 /include/exec | |
parent | 92a37a04d6e034b73ea1ba4825ba4d5860f0a810 (diff) |
memory: expose alignment used for allocating RAM as MemoryRegion API
introduce memory_region_get_alignment() that returns
underlying memory block alignment or 0 if it's not
relevant/implemented for backend.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'include/exec')
-rw-r--r-- | include/exec/exec-all.h | 2 | ||||
-rw-r--r-- | include/exec/memory.h | 2 |
2 files changed, 3 insertions, 1 deletions
diff --git a/include/exec/exec-all.h b/include/exec/exec-all.h index 421a142a0d..0844885edd 100644 --- a/include/exec/exec-all.h +++ b/include/exec/exec-all.h @@ -333,7 +333,7 @@ extern uintptr_t tci_tb_ptr; #if !defined(CONFIG_USER_ONLY) -void phys_mem_set_alloc(void *(*alloc)(size_t)); +void phys_mem_set_alloc(void *(*alloc)(size_t, uint64_t *align)); struct MemoryRegion *iotlb_to_region(AddressSpace *as, hwaddr index); bool io_mem_read(struct MemoryRegion *mr, hwaddr addr, diff --git a/include/exec/memory.h b/include/exec/memory.h index 74a58b4883..f64ab5e3e5 100644 --- a/include/exec/memory.h +++ b/include/exec/memory.h @@ -146,6 +146,7 @@ struct MemoryRegion { hwaddr addr; void (*destructor)(MemoryRegion *mr); ram_addr_t ram_addr; + uint64_t align; bool subpage; bool terminates; bool romd_mode; @@ -838,6 +839,7 @@ void memory_region_add_subregion_overlap(MemoryRegion *mr, */ ram_addr_t memory_region_get_ram_addr(MemoryRegion *mr); +uint64_t memory_region_get_alignment(const MemoryRegion *mr); /** * memory_region_del_subregion: Remove a subregion. * |