From: "Dr. David Alan Gilbert" <dgilb...@redhat.com> Utility for testing the map when you already know the offset in the RAMBlock.
Signed-off-by: Dr. David Alan Gilbert <dgilb...@redhat.com> --- migration/ram.c | 5 +++++ migration/ram.h | 1 + 2 files changed, 6 insertions(+) diff --git a/migration/ram.c b/migration/ram.c index 3daa69b2c3..6dcb9e8b43 100644 --- a/migration/ram.c +++ b/migration/ram.c @@ -165,6 +165,11 @@ int ramblock_recv_bitmap_test(void *host_addr, RAMBlock *rb) rb->receivedmap); } +bool ramblock_recv_bitmap_test_byte_offset(uint64_t byte_offset, RAMBlock *rb) +{ + return test_bit(byte_offset >> TARGET_PAGE_BITS, rb->receivedmap); +} + void ramblock_recv_bitmap_set(void *host_addr, RAMBlock *rb) { set_bit_atomic(ramblock_recv_bitmap_offset(host_addr, rb), rb->receivedmap); diff --git a/migration/ram.h b/migration/ram.h index 98d68df03d..0fcf85d904 100644 --- a/migration/ram.h +++ b/migration/ram.h @@ -55,6 +55,7 @@ void ram_handle_compressed(void *host, uint8_t ch, uint64_t size); void ramblock_recv_map_init(void); int ramblock_recv_bitmap_test(void *host_addr, RAMBlock *rb); +bool ramblock_recv_bitmap_test_byte_offset(uint64_t byte_offset, RAMBlock *rb); void ramblock_recv_bitmap_set(void *host_addr, RAMBlock *rb); void ramblock_recv_bitmap_clear(void *host_addr, RAMBlock *rb); -- 2.13.0