diff options
Diffstat (limited to 'memory.h')
| -rw-r--r-- | memory.h | 37 |
1 files changed, 32 insertions, 5 deletions
@@ -133,6 +133,7 @@ struct MemoryRegion { bool enabled; bool rom_device; bool warning_printed; /* For reservations */ + bool flush_coalesced_mmio; MemoryRegion *alias; target_phys_addr_t alias_offset; unsigned priority; @@ -252,9 +253,9 @@ void memory_region_init_ram(MemoryRegion *mr, uint64_t size); /** - * memory_region_init_ram: Initialize RAM memory region from a user-provided. - * pointer. Accesses into the region will modify - * memory directly. + * memory_region_init_ram_ptr: Initialize RAM memory region from a + * user-provided pointer. Accesses into the + * region will modify memory directly. * * @mr: the #MemoryRegion to be initialized. * @name: the name of the region. @@ -521,6 +522,31 @@ void memory_region_add_coalescing(MemoryRegion *mr, void memory_region_clear_coalescing(MemoryRegion *mr); /** + * memory_region_set_flush_coalesced: Enforce memory coalescing flush before + * accesses. + * + * Ensure that pending coalesced MMIO request are flushed before the memory + * region is accessed. This property is automatically enabled for all regions + * passed to memory_region_set_coalescing() and memory_region_add_coalescing(). + * + * @mr: the memory region to be updated. + */ +void memory_region_set_flush_coalesced(MemoryRegion *mr); + +/** + * memory_region_clear_flush_coalesced: Disable memory coalescing flush before + * accesses. + * + * Clear the automatic coalesced MMIO flushing enabled via + * memory_region_set_flush_coalesced. Note that this service has no effect on + * memory regions that have MMIO coalescing enabled for themselves. For them, + * automatic flushing will stop once coalescing is disabled. + * + * @mr: the memory region to be updated. + */ +void memory_region_clear_flush_coalesced(MemoryRegion *mr); + +/** * memory_region_add_eventfd: Request an eventfd to be triggered when a word * is written to a location. * @@ -581,7 +607,8 @@ void memory_region_add_subregion(MemoryRegion *mr, target_phys_addr_t offset, MemoryRegion *subregion); /** - * memory_region_add_subregion: Add a subregion to a container, with overlap. + * memory_region_add_subregion_overlap: Add a subregion to a container + * with overlap. * * Adds a subregion at @offset. The subregion may overlap with other * subregions. Conflicts are resolved by having a higher @priority hide a @@ -743,7 +770,7 @@ void memory_listener_unregister(MemoryListener *listener); void memory_global_dirty_log_start(void); /** - * memory_global_dirty_log_stop: begin dirty logging for all regions + * memory_global_dirty_log_stop: end dirty logging for all regions */ void memory_global_dirty_log_stop(void); |