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include/system: Move exec/ramblock.h to system/ramblock.h

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Convert the existing includes with sed.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2025-03-12 19:03:02 -07:00
parent 4705a71db5
commit 548a01650c
18 changed files with 21 additions and 22 deletions
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94
include/system/ramblock.h Normal file
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/*
* Declarations for cpu physical memory functions
*
* Copyright 2011 Red Hat, Inc. and/or its affiliates
*
* Authors:
* Avi Kivity <avi@redhat.com>
*
* This work is licensed under the terms of the GNU GPL, version 2 or
* later. See the COPYING file in the top-level directory.
*
*/
/*
* This header is for use by exec.c and memory.c ONLY. Do not include it.
* The functions declared here will be removed soon.
*/
#ifndef SYSTEM_RAMBLOCK_H
#define SYSTEM_RAMBLOCK_H
#include "exec/cpu-common.h"
#include "qemu/rcu.h"
#include "exec/ramlist.h"
struct RAMBlock {
struct rcu_head rcu;
struct MemoryRegion *mr;
uint8_t *host;
uint8_t *colo_cache; /* For colo, VM's ram cache */
ram_addr_t offset;
ram_addr_t used_length;
ram_addr_t max_length;
void (*resized)(const char*, uint64_t length, void *host);
uint32_t flags;
/* Protected by the BQL. */
char idstr[256];
/* RCU-enabled, writes protected by the ramlist lock */
QLIST_ENTRY(RAMBlock) next;
QLIST_HEAD(, RAMBlockNotifier) ramblock_notifiers;
Error *cpr_blocker;
int fd;
uint64_t fd_offset;
int guest_memfd;
size_t page_size;
/* dirty bitmap used during migration */
unsigned long *bmap;
/*
* Below fields are only used by mapped-ram migration
*/
/* bitmap of pages present in the migration file */
unsigned long *file_bmap;
/*
* offset in the file pages belonging to this ramblock are saved,
* used only during migration to a file.
*/
off_t bitmap_offset;
uint64_t pages_offset;
/* Bitmap of already received pages. Only used on destination side. */
unsigned long *receivedmap;
/*
* bitmap to track already cleared dirty bitmap. When the bit is
* set, it means the corresponding memory chunk needs a log-clear.
* Set this up to non-NULL to enable the capability to postpone
* and split clearing of dirty bitmap on the remote node (e.g.,
* KVM). The bitmap will be set only when doing global sync.
*
* It is only used during src side of ram migration, and it is
* protected by the global ram_state.bitmap_mutex.
*
* NOTE: this bitmap is different comparing to the other bitmaps
* in that one bit can represent multiple guest pages (which is
* decided by the `clear_bmap_shift' variable below). On
* destination side, this should always be NULL, and the variable
* `clear_bmap_shift' is meaningless.
*/
unsigned long *clear_bmap;
uint8_t clear_bmap_shift;
/*
* RAM block length that corresponds to the used_length on the migration
* source (after RAM block sizes were synchronized). Especially, after
* starting to run the guest, used_length and postcopy_length can differ.
* Used to register/unregister uffd handlers and as the size of the received
* bitmap. Receiving any page beyond this length will bail out, as it
* could not have been valid on the source.
*/
ram_addr_t postcopy_length;
};
#endif