From 463a4ac23bcf0f0b65c850fa66f5ae6e43edd243 Mon Sep 17 00:00:00 2001 From: "Dr. David Alan Gilbert" Date: Tue, 7 Mar 2017 18:36:36 +0000 Subject: [PATCH] RAMBlocks: qemu_ram_is_shared Provide a helper to say whether a RAMBlock was created as a shared mapping. Signed-off-by: Dr. David Alan Gilbert Reviewed-by: Juan Quintela Signed-off-by: Juan Quintela --- exec.c | 5 +++++ include/exec/cpu-common.h | 1 + 2 files changed, 6 insertions(+) diff --git a/exec.c b/exec.c index a22f5a0385..e57a8a2178 100644 --- a/exec.c +++ b/exec.c @@ -1561,6 +1561,11 @@ const char *qemu_ram_get_idstr(RAMBlock *rb) return rb->idstr; } +bool qemu_ram_is_shared(RAMBlock *rb) +{ + return rb->flags & RAM_SHARED; +} + /* Called with iothread lock held. */ void qemu_ram_set_idstr(RAMBlock *new_block, const char *name, DeviceState *dev) { diff --git a/include/exec/cpu-common.h b/include/exec/cpu-common.h index b62f0d82e4..4d45a72ea9 100644 --- a/include/exec/cpu-common.h +++ b/include/exec/cpu-common.h @@ -69,6 +69,7 @@ RAMBlock *qemu_ram_block_from_host(void *ptr, bool round_offset, void qemu_ram_set_idstr(RAMBlock *block, const char *name, DeviceState *dev); void qemu_ram_unset_idstr(RAMBlock *block); const char *qemu_ram_get_idstr(RAMBlock *rb); +bool qemu_ram_is_shared(RAMBlock *rb); size_t qemu_ram_pagesize(RAMBlock *block); size_t qemu_ram_pagesize_largest(void);