diff options
Diffstat (limited to 'softmmu/memory.c')
| -rw-r--r-- | softmmu/memory.c | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/softmmu/memory.c b/softmmu/memory.c index 24a97c8b1f..bfedaf9c4d 100644 --- a/softmmu/memory.c +++ b/softmmu/memory.c @@ -2031,6 +2031,70 @@ int memory_region_iommu_num_indexes(IOMMUMemoryRegion *iommu_mr) return imrc->num_indexes(iommu_mr); } +RamDiscardManager *memory_region_get_ram_discard_manager(MemoryRegion *mr) +{ + if (!memory_region_is_mapped(mr) || !memory_region_is_ram(mr)) { + return NULL; + } + return mr->rdm; +} + +void memory_region_set_ram_discard_manager(MemoryRegion *mr, + RamDiscardManager *rdm) +{ + g_assert(memory_region_is_ram(mr) && !memory_region_is_mapped(mr)); + g_assert(!rdm || !mr->rdm); + mr->rdm = rdm; +} + +uint64_t ram_discard_manager_get_min_granularity(const RamDiscardManager *rdm, + const MemoryRegion *mr) +{ + RamDiscardManagerClass *rdmc = RAM_DISCARD_MANAGER_GET_CLASS(rdm); + + g_assert(rdmc->get_min_granularity); + return rdmc->get_min_granularity(rdm, mr); +} + +bool ram_discard_manager_is_populated(const RamDiscardManager *rdm, + const MemoryRegionSection *section) +{ + RamDiscardManagerClass *rdmc = RAM_DISCARD_MANAGER_GET_CLASS(rdm); + + g_assert(rdmc->is_populated); + return rdmc->is_populated(rdm, section); +} + +int ram_discard_manager_replay_populated(const RamDiscardManager *rdm, + MemoryRegionSection *section, + ReplayRamPopulate replay_fn, + void *opaque) +{ + RamDiscardManagerClass *rdmc = RAM_DISCARD_MANAGER_GET_CLASS(rdm); + + g_assert(rdmc->replay_populated); + return rdmc->replay_populated(rdm, section, replay_fn, opaque); +} + +void ram_discard_manager_register_listener(RamDiscardManager *rdm, + RamDiscardListener *rdl, + MemoryRegionSection *section) +{ + RamDiscardManagerClass *rdmc = RAM_DISCARD_MANAGER_GET_CLASS(rdm); + + g_assert(rdmc->register_listener); + rdmc->register_listener(rdm, rdl, section); +} + +void ram_discard_manager_unregister_listener(RamDiscardManager *rdm, + RamDiscardListener *rdl) +{ + RamDiscardManagerClass *rdmc = RAM_DISCARD_MANAGER_GET_CLASS(rdm); + + g_assert(rdmc->unregister_listener); + rdmc->unregister_listener(rdm, rdl); +} + void memory_region_set_log(MemoryRegion *mr, bool log, unsigned client) { uint8_t mask = 1 << client; @@ -2641,6 +2705,33 @@ MemoryRegionSection memory_region_find(MemoryRegion *mr, return ret; } +MemoryRegionSection *memory_region_section_new_copy(MemoryRegionSection *s) +{ + MemoryRegionSection *tmp = g_new(MemoryRegionSection, 1); + + *tmp = *s; + if (tmp->mr) { + memory_region_ref(tmp->mr); + } + if (tmp->fv) { + bool ret = flatview_ref(tmp->fv); + + g_assert(ret); + } + return tmp; +} + +void memory_region_section_free_copy(MemoryRegionSection *s) +{ + if (s->fv) { + flatview_unref(s->fv); + } + if (s->mr) { + memory_region_unref(s->mr); + } + g_free(s); +} + bool memory_region_present(MemoryRegion *container, hwaddr addr) { MemoryRegion *mr; @@ -3324,10 +3415,17 @@ static const TypeInfo iommu_memory_region_info = { .abstract = true, }; +static const TypeInfo ram_discard_manager_info = { + .parent = TYPE_INTERFACE, + .name = TYPE_RAM_DISCARD_MANAGER, + .class_size = sizeof(RamDiscardManagerClass), +}; + static void memory_register_types(void) { type_register_static(&memory_region_info); type_register_static(&iommu_memory_region_info); + type_register_static(&ram_discard_manager_info); } type_init(memory_register_types) |