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migration: Move populate_vfio_info() into a separate file 

The CONFIG_VFIO switch only works in target specific code. Since
migration/migration.c is common code, the #ifdef does not have
the intended behavior here. Move the related code to a separate
file now which gets compiled via specific_ss instead.

Fixes: 3710586caa ("qapi: Add VFIO devices migration stats in Migration stats")
Message-Id: <20210414112004.943383-3-thuth@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
This commit is contained in:
Thomas Huth 2021-04-14 13:20:02 +02:00
parent 13b48fb00e
commit 43bd0bf30f
4 changed files with 29 additions and 16 deletions
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3
migration/meson.build
View File

@ -31,4 +31,5 @@ softmmu_ss.add(when: ['CONFIG_RDMA', rdma], if_true: files('rdma.c'))
softmmu_ss.add(when: 'CONFIG_LIVE_BLOCK_MIGRATION', if_true: files('block.c'))
softmmu_ss.add(when: zstd, if_true: files('multifd-zstd.c'))
specific_ss.add(when: 'CONFIG_SOFTMMU', if_true: files('dirtyrate.c', 'ram.c'))
specific_ss.add(when: 'CONFIG_SOFTMMU',
if_true: files('dirtyrate.c', 'ram.c', 'target.c'))

15
migration/migration.c
View File

@ -60,10 +60,6 @@
#include "qemu/yank.h"
#include "sysemu/cpus.h"
#ifdef CONFIG_VFIO
#include "hw/vfio/vfio-common.h"
#endif
#define MAX_THROTTLE (128 << 20) /* Migration transfer speed throttling */
/* Amount of time to allocate to each "chunk" of bandwidth-throttled
@ -1059,17 +1055,6 @@ static void populate_disk_info(MigrationInfo *info)
}
}
static void populate_vfio_info(MigrationInfo *info)
{
#ifdef CONFIG_VFIO
if (vfio_mig_active()) {
info->has_vfio = true;
info->vfio = g_malloc0(sizeof(*info->vfio));
info->vfio->transferred = vfio_mig_bytes_transferred();
}
#endif
}
static void fill_source_migration_info(MigrationInfo *info)
{
MigrationState *s = migrate_get_current();

2
migration/migration.h
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@ -376,4 +376,6 @@ void migration_make_urgent_request(void);
void migration_consume_urgent_request(void);
bool migration_rate_limit(void);
void populate_vfio_info(MigrationInfo *info);
#endif

25
migration/target.c Normal file
View File

@ -0,0 +1,25 @@
/*
* QEMU live migration - functions that need to be compiled target-specific
*
* This work is licensed under the terms of the GNU GPL, version 2
* or (at your option) any later version.
*/
#include "qemu/osdep.h"
#include "qapi/qapi-types-migration.h"
#include "migration.h"
#ifdef CONFIG_VFIO
#include "hw/vfio/vfio-common.h"
#endif
void populate_vfio_info(MigrationInfo *info)
{
#ifdef CONFIG_VFIO
if (vfio_mig_active()) {
info->has_vfio = true;
info->vfio = g_malloc0(sizeof(*info->vfio));
info->vfio->transferred = vfio_mig_bytes_transferred();
}
#endif
}