ee86213aa3
Stop including exec/address-spaces.h in files that don't need it. Signed-off-by: Thomas Huth <thuth@redhat.com> Message-Id: <20210416171314.2074665-5-thuth@redhat.com> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
65 lines
1.7 KiB
C
65 lines
1.7 KiB
C
/*
|
|
* Memory manager for remote device
|
|
*
|
|
* Copyright © 2018, 2021 Oracle and/or its affiliates.
|
|
*
|
|
* This work is licensed under the terms of the GNU GPL, version 2 or later.
|
|
* See the COPYING file in the top-level directory.
|
|
*
|
|
*/
|
|
|
|
#include "qemu/osdep.h"
|
|
#include "qemu-common.h"
|
|
|
|
#include "hw/remote/memory.h"
|
|
#include "exec/ram_addr.h"
|
|
#include "qapi/error.h"
|
|
|
|
static void remote_sysmem_reset(void)
|
|
{
|
|
MemoryRegion *sysmem, *subregion, *next;
|
|
|
|
sysmem = get_system_memory();
|
|
|
|
QTAILQ_FOREACH_SAFE(subregion, &sysmem->subregions, subregions_link, next) {
|
|
if (subregion->ram) {
|
|
memory_region_del_subregion(sysmem, subregion);
|
|
object_unparent(OBJECT(subregion));
|
|
}
|
|
}
|
|
}
|
|
|
|
void remote_sysmem_reconfig(MPQemuMsg *msg, Error **errp)
|
|
{
|
|
ERRP_GUARD();
|
|
SyncSysmemMsg *sysmem_info = &msg->data.sync_sysmem;
|
|
MemoryRegion *sysmem, *subregion;
|
|
static unsigned int suffix;
|
|
int region;
|
|
|
|
sysmem = get_system_memory();
|
|
|
|
remote_sysmem_reset();
|
|
|
|
for (region = 0; region < msg->num_fds; region++) {
|
|
g_autofree char *name;
|
|
subregion = g_new(MemoryRegion, 1);
|
|
name = g_strdup_printf("remote-mem-%u", suffix++);
|
|
memory_region_init_ram_from_fd(subregion, NULL,
|
|
name, sysmem_info->sizes[region],
|
|
true, msg->fds[region],
|
|
sysmem_info->offsets[region],
|
|
errp);
|
|
|
|
if (*errp) {
|
|
g_free(subregion);
|
|
remote_sysmem_reset();
|
|
return;
|
|
}
|
|
|
|
memory_region_add_subregion(sysmem, sysmem_info->gpas[region],
|
|
subregion);
|
|
|
|
}
|
|
}
|