From c76bc480e2d70762d02373678942c98fb193b9e5 Mon Sep 17 00:00:00 2001 From: Jan Kiszka Date: Tue, 2 Jul 2013 20:22:37 +0200 Subject: portio: Allow to mark portio lists as coalesced MMIO flushing This will enable us to remove all remaining explicit calls of qemu_flush_coalesced_mmio_buffer in IO handlers. Signed-off-by: Jan Kiszka Signed-off-by: Paolo Bonzini --- include/exec/ioport.h | 2 ++ ioport.c | 9 +++++++++ 2 files changed, 11 insertions(+) diff --git a/include/exec/ioport.h b/include/exec/ioport.h index b3848be684..3bd6722627 100644 --- a/include/exec/ioport.h +++ b/include/exec/ioport.h @@ -64,11 +64,13 @@ typedef struct PortioList { struct MemoryRegion **regions; void *opaque; const char *name; + bool flush_coalesced_mmio; } PortioList; void portio_list_init(PortioList *piolist, Object *owner, const struct MemoryRegionPortio *callbacks, void *opaque, const char *name); +void portio_list_set_flush_coalesced(PortioList *piolist); void portio_list_destroy(PortioList *piolist); void portio_list_add(PortioList *piolist, struct MemoryRegion *address_space, diff --git a/ioport.c b/ioport.c index 707cce88ab..3d91e79edc 100644 --- a/ioport.c +++ b/ioport.c @@ -139,6 +139,12 @@ void portio_list_init(PortioList *piolist, piolist->opaque = opaque; piolist->owner = owner; piolist->name = name; + piolist->flush_coalesced_mmio = false; +} + +void portio_list_set_flush_coalesced(PortioList *piolist) +{ + piolist->flush_coalesced_mmio = true; } void portio_list_destroy(PortioList *piolist) @@ -231,6 +237,9 @@ static void portio_list_add_1(PortioList *piolist, */ memory_region_init_io(&mrpio->mr, piolist->owner, &portio_ops, mrpio, piolist->name, off_high - off_low); + if (piolist->flush_coalesced_mmio) { + memory_region_set_flush_coalesced(&mrpio->mr); + } memory_region_add_subregion(piolist->address_space, start + off_low, &mrpio->mr); piolist->regions[piolist->nr] = &mrpio->mr; -- cgit v1.2.3