Commit 1cba9f6e authored by Dr. David Alan Gilbert's avatar Dr. David Alan Gilbert Committed by Michael S. Tsirkin
Browse files

migration/ram: ramblock_recv_bitmap_test_byte_offset 



Utility for testing the map when you already know the offset
in the RAMBlock.

Signed-off-by: default avatarDr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: default avatarPeter Xu <peterx@redhat.com>
Reviewed-by: default avatarMarc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: default avatarMichael S. Tsirkin <mst@redhat.com>
Signed-off-by: default avatarMichael S. Tsirkin <mst@redhat.com>
parent 55d754b3

migration/ram.c

+5 −0
Original line number Diff line number Diff line
@@ -169,6 +169,11 @@ int ramblock_recv_bitmap_test(RAMBlock *rb, void *host_addr) 
                    rb->receivedmap);

}



bool ramblock_recv_bitmap_test_byte_offset(RAMBlock *rb, uint64_t byte_offset)

{

    return test_bit(byte_offset >> TARGET_PAGE_BITS, rb->receivedmap);

}



void ramblock_recv_bitmap_set(RAMBlock *rb, void *host_addr)

{

    set_bit_atomic(ramblock_recv_bitmap_offset(host_addr, rb), rb->receivedmap);

migration/ram.h

+1 −0
Original line number Diff line number Diff line
@@ -60,6 +60,7 @@ int ram_postcopy_incoming_init(MigrationIncomingState *mis); 
void ram_handle_compressed(void *host, uint8_t ch, uint64_t size);



int ramblock_recv_bitmap_test(RAMBlock *rb, void *host_addr);

bool ramblock_recv_bitmap_test_byte_offset(RAMBlock *rb, uint64_t byte_offset);

void ramblock_recv_bitmap_set(RAMBlock *rb, void *host_addr);

void ramblock_recv_bitmap_set_range(RAMBlock *rb, void *host_addr, size_t nr);