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 | |
| parent | 92a37a04d6e034b73ea1ba4825ba4d5860f0a810 (diff) | |
| download | qemu-a2b257d6212ade772473f86bf0637480b2578a7e.tar.gz | |
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')
| -rw-r--r-- | include/exec/exec-all.h | 2 | ||||
| -rw-r--r-- | include/exec/memory.h | 2 | ||||
| -rw-r--r-- | include/qemu/osdep.h | 3 |
3 files changed, 5 insertions, 2 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. * diff --git a/include/qemu/osdep.h b/include/qemu/osdep.h index c0324344d5..b3300cc239 100644 --- a/include/qemu/osdep.h +++ b/include/qemu/osdep.h @@ -5,6 +5,7 @@ #include <stdarg.h> #include <stddef.h> #include <stdbool.h> +#include <stdint.h> #include <sys/types.h> #ifdef __OpenBSD__ #include <sys/signal.h> @@ -103,7 +104,7 @@ typedef signed int int_fast16_t; int qemu_daemon(int nochdir, int noclose); void *qemu_try_memalign(size_t alignment, size_t size); void *qemu_memalign(size_t alignment, size_t size); -void *qemu_anon_ram_alloc(size_t size); +void *qemu_anon_ram_alloc(size_t size, uint64_t *align); void qemu_vfree(void *ptr); void qemu_anon_ram_free(void *ptr, size_t size); |