diff options
Diffstat (limited to 'include/system/ramblock.h')
| -rw-r--r-- | include/system/ramblock.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/include/system/ramblock.h b/include/system/ramblock.h index d8a116b..87e847e 100644 --- a/include/system/ramblock.h +++ b/include/system/ramblock.h @@ -22,6 +22,10 @@ #include "exec/cpu-common.h" #include "qemu/rcu.h" #include "exec/ramlist.h" +#include "system/hostmem.h" + +#define TYPE_RAM_BLOCK_ATTRIBUTES "ram-block-attributes" +OBJECT_DECLARE_SIMPLE_TYPE(RamBlockAttributes, RAM_BLOCK_ATTRIBUTES) struct RAMBlock { struct rcu_head rcu; @@ -42,6 +46,7 @@ struct RAMBlock { int fd; uint64_t fd_offset; int guest_memfd; + RamBlockAttributes *attributes; size_t page_size; /* dirty bitmap used during migration */ unsigned long *bmap; @@ -91,4 +96,21 @@ struct RAMBlock { ram_addr_t postcopy_length; }; +struct RamBlockAttributes { + Object parent; + + RAMBlock *ram_block; + + /* 1-setting of the bitmap represents ram is populated (shared) */ + unsigned bitmap_size; + unsigned long *bitmap; + + QLIST_HEAD(, RamDiscardListener) rdl_list; +}; + +RamBlockAttributes *ram_block_attributes_create(RAMBlock *ram_block); +void ram_block_attributes_destroy(RamBlockAttributes *attr); +int ram_block_attributes_state_change(RamBlockAttributes *attr, uint64_t offset, + uint64_t size, bool to_discard); + #endif |