xref: /openbmc/qemu/include/sysemu/kvm_int.h (revision e1723999)
1 /*
2  * Internal definitions for a target's KVM support
3  *
4  * This work is licensed under the terms of the GNU GPL, version 2 or later.
5  * See the COPYING file in the top-level directory.
6  *
7  */
8 
9 #ifndef QEMU_KVM_INT_H
10 #define QEMU_KVM_INT_H
11 
12 #include "exec/memory.h"
13 #include "qemu/accel.h"
14 #include "sysemu/kvm.h"
15 
16 typedef struct KVMSlot
17 {
18     hwaddr start_addr;
19     ram_addr_t memory_size;
20     void *ram;
21     int slot;
22     int flags;
23     int old_flags;
24     /* Dirty bitmap cache for the slot */
25     unsigned long *dirty_bmap;
26     unsigned long dirty_bmap_size;
27     /* Cache of the address space ID */
28     int as_id;
29     /* Cache of the offset in ram address space */
30     ram_addr_t ram_start_offset;
31 } KVMSlot;
32 
33 typedef struct KVMMemoryListener {
34     MemoryListener listener;
35     KVMSlot *slots;
36     int as_id;
37 } KVMMemoryListener;
38 
39 void kvm_memory_listener_register(KVMState *s, KVMMemoryListener *kml,
40                                   AddressSpace *as, int as_id, const char *name);
41 
42 void kvm_set_max_memslot_size(hwaddr max_slot_size);
43 
44 /**
45  * kvm_hwpoison_page_add:
46  *
47  * Parameters:
48  *  @ram_addr: the address in the RAM for the poisoned page
49  *
50  * Add a poisoned page to the list
51  *
52  * Return: None.
53  */
54 void kvm_hwpoison_page_add(ram_addr_t ram_addr);
55 #endif
56