Save the iommu and vfio device fd in CPR state when it is created, and fetch
the fd from that state after CPR. Save the devid as the fd id. Remember
that the fd was reused, for subsequent patches.
Signed-off-by: Steve Sistare
---
backends/iommufd.c | 12 +++-
hw/vfio/iommufd.c
Register a vmstate post_load handler to call IOMMU_IOAS_CHANGE_PROCESS and
update the virtual address of all DMA mappings after CPR.
Signed-off-by: Steve Sistare
---
backends/iommufd.c | 81 +-
1 file changed, 80 insertions(+), 1 deletion
Define IOMMU_IOAS_CHANGE_PROCESS for use by CPR.
This interface is preliminary.
Signed-off-by: Steve Sistare
---
linux-headers/linux/iommufd.h | 19 +++
1 file changed, 19 insertions(+)
diff --git a/linux-headers/linux/iommufd.h b/linux-headers/linux/iommufd.h
index 72e8f4b
Block CPR if the container has any mdevs (mediated devices). CPR is not
supported for legacy containers and mdevs. It will be supported for iommufd
containers with mdevs in a future patch.
Signed-off-by: Steve Sistare
---
hw/vfio/pci.c | 10 ++
include/hw/vfio
Export iommufd_cdev_get_info_iova_range for use by CPR.
No functional change.
Signed-off-by: Steve Sistare
---
hw/vfio/iommufd.c | 4 ++--
include/hw/vfio/vfio-common.h | 2 ++
2 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/hw/vfio/iommufd.c b/hw/vfio/iommufd.c
index
Register a vfio iommufd container for CPR. Add a blocker if the kernel does
not support IOMMU_IOAS_CHANGE_PROCESS.
Signed-off-by: Steve Sistare
---
backends/iommufd.c| 8 ++
hw/vfio/cpr-iommufd.c | 60 +++
hw/vfio/iommufd.c
was already already mapped by the device, so suppress map and unmap
during CPR -- eg, if the reused flag is set. Clear the reused flag in the
post_load handler.
Signed-off-by: Steve Sistare
---
backends/iommufd.c| 8
hw/vfio/cpr-iommufd.c | 24
hw/vfio/iommufd.c
Move the cpr notifier to the base container. This change will be squashed
into the "live update: vfio" series.
Signed-off-by: Steve Sistare
---
hw/vfio/cpr-legacy.c | 10 +-
include/hw/vfio/vfio-common.h | 1 -
include/hw/vfio/vfio-container-base.h
Add a function for finding a CPR fd by name, for any value of id, and
return the id.
Signed-off-by: Steve Sistare
---
include/migration/cpr.h | 1 +
migration/cpr.c | 15 +++
2 files changed, 16 insertions(+)
diff --git a/include/migration/cpr.h b/include/migration/cpr.h
Pass device name to iommufd_backend_connect and iommufd_backend_disconnect,
for use by CPR in a subsequent patch. No functional change.
Signed-off-by: Steve Sistare
---
backends/iommufd.c | 4 ++--
hw/vfio/iommufd.c| 6 +++---
include/sysemu/iommufd.h | 5 +++--
3 files changed
interface which
is a work in progress:
iommufd live update
https://lore.kernel.org/linux-iommu/1721501805-86928-1-git-send-email-steven.sist...@oracle.com
Steve Sistare (12):
vfio: move cpr_exec_notifier
iommufd: no DMA to BARs
iommufd: pass name to connect
migration: cpr_find_fd_any
address)
Signed-off-by: Steve Sistare
---
hw/vfio/common.c | 3 ++-
hw/vfio/helpers.c | 1 +
include/exec/memory.h | 1 +
3 files changed, 4 insertions(+), 1 deletion(-)
diff --git a/hw/vfio/common.c b/hw/vfio/common.c
index da2e0ec..403d45a 100644
--- a/hw/vfio/common.c
+++ b/hw/vfio
Remember the RAMBlock host address as host_old during migration, for use
by CPR. The iommufd interface to update the virtual address of DMA
mappings requires it.
Signed-off-by: Steve Sistare
---
hw/core/machine.c | 6 ++
include/exec/ramblock.h | 1 +
migration/migration.h | 2
Add the proposed vdpa kernel interfaces for CPR:
VHOST_NEW_OWNER: new ioctl
VHOST_BACKEND_F_NEW_OWNER: new capability
VHOST_IOTLB_REMAP: new iotlb message
VHOST_BACKEND_F_IOTLB_REMAP: new capability
Signed-off-by: Steve Sistare
---
include/standard-headers/linux/vhost_types.h | 7
for DMA.
This series does not add any user-visible interfaces.
Steve Sistare (7):
migration: cpr_needed_for_reuse
migration: skip dirty memory tracking for cpr
vdpa/cpr: preserve device fd
vdpa/cpr: kernel interfaces
vdpa/cpr: use VHOST_NEW_OWNER
vdpa/cpr: pass shadow parameter to dma
Define a vmstate "needed" helper. This will be moved to the preceding patch
series "Live update: cpr-exec" because it is needed by multiple devices.
Signed-off-by: Steve Sistare
---
include/migration/cpr.h | 1 +
migration/cpr.c | 5 +
2 files changed, 6 inser
Pass a parameter to the dma mapping functions that indicates if the
memory backs rings or buffers for svq's. No functional change.
Signed-off-by: Steve Sistare
---
hw/virtio/vhost-vdpa.c | 19 ++-
include/hw/virtio/vhost-vdpa.h | 4 ++--
net/vhost-vdpa.c
. Their pages are not
locked in memory, and they are re-created after CPR.
Signed-off-by: Steve Sistare
---
hw/virtio/trace-events| 4 ++--
hw/virtio/vhost-vdpa.c| 30 +-
scripts/tracetool/__init__.py | 2 +-
3 files changed, 28 insertions(+), 8 deletions
Save the vdpa device fd in CPR state when it is created, and fetch the fd
from that state after CPR. Remember that the fd was reused, for subsequent
patches.
Signed-off-by: Steve Sistare
---
include/hw/virtio/vhost-vdpa.h | 3 +++
net/vhost-vdpa.c | 24
Block CPR if the kernel does not support VHOST_NEW_OWNER.
After CPR, call VHOST_NEW_OWNER in new QEMU.
Signed-off-by: Steve Sistare
---
hw/virtio/trace-events| 1 +
hw/virtio/vhost-vdpa.c| 24 ++--
include/hw/virtio/vhost.h | 1 +
3 files changed, 24 insertions
CPR preserves memory in place, so there is no need to track dirty memory.
By skipping it, CPR can support devices that do not support tracking.
Signed-off-by: Steve Sistare
---
system/memory.c | 11 +++
1 file changed, 11 insertions(+)
diff --git a/system/memory.c b/system/memory.c
Finish CPR for vfio-pci MSI/MSI-X devices by preserving eventfd's and
vector state.
Signed-off-by: Steve Sistare
---
hw/vfio/pci.c | 117 +-
1 file changed, 116 insertions(+), 1 deletion(-)
diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c
index
a new
"remap" flag that tells it to restore a mapping without re-allocating new
userland data structures.
Signed-off-by: Steve Sistare
---
hw/vfio/common.c | 45 ---
hw/vfio/cpr-legacy.c
resumes the VM.
This functionality is delivered by 3 patches for clarity. Part 1 handles
device file descriptors and DMA. Part 2 adds eventfd and MSI/MSI-X vector
support. Part 3 adds INTX support.
Signed-off-by: Steve Sistare
---
hw/pci/pci.c | 13
hw/vfio/common.c
Export msix_is_pending for use by cpr. No functional change.
Signed-off-by: Steve Sistare
Acked-by: Michael S. Tsirkin
---
hw/pci/msix.c | 2 +-
include/hw/pci/msix.h | 1 +
2 files changed, 2 insertions(+), 1 deletion(-)
diff --git a/hw/pci/msix.c b/hw/pci/msix.c
index 487e498
Refactor vector use into a helper vfio_vector_init.
Add vfio_notifier_init and vfio_notifier_cleanup for named notifiers,
and pass additional arguments to vfio_remove_kvm_msi_virq.
All for use by CPR in a subsequent patch. No functional change.
Signed-off-by: Steve Sistare
---
hw/vfio/pci.c
initialization, but still perform
kvm initialization.
Signed-off-by: Steve Sistare
---
hw/vfio/pci.c | 51 +++
1 file changed, 47 insertions(+), 4 deletions(-)
diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c
index f0213e0..b5e7592 100644
--- a/hw/vfio/pci.c
Define vfio_find_ram_discard_listener as a subroutine so additional calls to
it may be added in a subsequent patch.
Signed-off-by: Steve Sistare
---
hw/vfio/common.c | 35 ++-
1 file changed, 22 insertions(+), 13 deletions(-)
diff --git a/hw/vfio/common.c b/hw
/qemu-devel/1658851843-236870-1-git-send-email-steven.sist...@oracle.com/
This series depends on the following, which is based on commit 44b7329de469:
[PATCH V2 00/11] Live update: cpr-exec
https://lore.kernel.org/qemu-devel/1719776434-435013-1-git-send-email-steven.sist...@oracle.com/
Steve
Define a vmstate "needed" helper. This will be moved to the preceding patch
series "Live update: cpr-exec" because it is needed by multiple devices.
Signed-off-by: Steve Sistare
---
include/migration/cpr.h | 1 +
migration/cpr.c | 5 +
2 files changed, 6 inser
Define VMSTATE_FD for declaring a file descriptor field in a
VMStateDescription.
Signed-off-by: Steve Sistare
---
include/migration/vmstate.h | 9 +
migration/vmstate-types.c | 32
2 files changed, 41 insertions(+)
diff --git a/include/migration
which must support SCM_RIGHTS, and they are mmap'd
in new QEMU.
Signed-off-by: Steve Sistare
---
migration/cpr.c | 9 -
migration/migration.c | 37 +
migration/ram.c | 1 +
migration/vmstate-types.c | 5 +++--
qapi/migr
Add functions to create a QEMUFile based on a unix URI, for saving or
loading, for use by cpr-transfer mode to preserve CPR state.
Signed-off-by: Steve Sistare
---
include/migration/cpr.h | 3 ++
migration/cpr-transfer.c | 81
migration
Define functions to put/get file descriptors to/from a QEMUFile, for qio
channels that support SCM_RIGHTS. Maintain ordering such that
put(A), put(fd), put(B)
followed by
get(A), get(fd), get(B)
always succeeds. Other get orderings may succeed but are not guaranteed.
Signed-off-by: Steve
Define the cpr-uri QEMU command-line option to specify the URI from
which CPR vmstate is loaded for cpr-transfer mode.
Signed-off-by: Steve Sistare
---
include/migration/cpr.h | 1 +
migration/cpr.c | 7 +++
qemu-options.hx | 8
system/vl.c | 3 +++
4
nformation
(qemu) info status
VM status: running
Steve Sistare (6):
migration: SCM_RIGHTS for QEMUFile
migration: VMSTATE_FD
migration: cpr-transfer save and load
migration: cpr-uri parameter
migration: cpr-uri option
migration: cpr-transfer mode
include/migration/cpr.h| 4 +
Define the cpr-uri migration parameter to specify the URI to which
CPR vmstate is saved for cpr-transfer mode.
Signed-off-by: Steve Sistare
---
migration/migration-hmp-cmds.c | 10 ++
migration/options.c| 29 +
migration/options.h| 1
to guard against that length changing, use lseek to get the
actual length of an incoming memfd.
Signed-off-by: Steve Sistare
---
system/physmem.c | 25 -
1 file changed, 24 insertions(+), 1 deletion(-)
diff --git a/system/physmem.c b/system/physmem.c
index efe95ff..e37352e
To preserve CPR state across exec, create a QEMUFile based on a memfd, and
keep the memfd open across exec. Save the value of the memfd in an
environment variable so post-exec QEMU can find it.
These new functions are called in a subsequent patch.
Signed-off-by: Steve Sistare
---
include
for memory-backend-memfd.
Signed-off-by: Steve Sistare
---
include/migration/cpr.h | 2 ++
migration/cpr-exec.c| 85 +
migration/cpr.c | 37 ++---
migration/migration.c | 14 ++--
migration/ram.c | 2 ++
qapi
Save the mode in CPR state, so the user does not need to explicitly specify
it for the target. Modify migrate_mode() so it returns the incoming mode on
the target.
Signed-off-by: Steve Sistare
---
include/migration/cpr.h | 7 +++
migration/cpr.c | 23
Stop the vm earlier for cpr, to guarantee consistent device state when
CPR state is saved.
Signed-off-by: Steve Sistare
---
migration/migration.c | 22 +-
1 file changed, 13 insertions(+), 9 deletions(-)
diff --git a/migration/migration.c b/migration/migration.c
index
Add a qemu_system_exec_request() hook that causes the main loop to exit and
exec a command using the specified arguments. This will be used during CPR
to exec a new version of QEMU.
Signed-off-by: Steve Sistare
---
include/sysemu/runstate.h | 3 +++
system/runstate.c | 29
a new
RAM flag, at the lowest level the implementation uses RAM_SHARED with fd=-1
as the condition for calling memfd_create.
Signed-off-by: Steve Sistare
---
hw/core/machine.c | 24
include/hw/boards.h | 1 +
qapi/machine.json | 14 ++
qemu-options.hx
Define qemu_clear_cloexec, analogous to qemu_set_cloexec.
Signed-off-by: Steve Sistare
Reviewed-by: Dr. David Alan Gilbert
Reviewed-by: Marc-André Lureau
Reviewed-by: Fabiano Rosas
---
include/qemu/osdep.h | 9 +
util/oslib-posix.c | 9 +
util/oslib-win32.c | 4
3
' command.
Signed-off-by: Steve Sistare
---
hmp-commands.hx| 2 +-
migration/migration-hmp-cmds.c | 25 +
migration/options.c| 14 ++
qapi/migration.json| 21 ++---
4 files changed, 58 insertions(+), 4
ches below are foundational and are needed for both cpr-exec
mode and cpr-transfer mode. The last 5 patches are specific to cpr-exec
and implement the mechanisms for sharing state across exec.
Steve Sistare (11):
machine: alloc-anon option
migration: cpr-state
migration: save cpr mode
migration: stop
's address
if the target region does not have an address yet.
Signed-off-by: Steve Sistare
Reviewed-by: Fabiano Rosas
---
include/exec/memory.h | 12
migration/ram.c | 15 +--
system/memory.c | 10 --
3 files changed, 29 insertions(+), 8 deletions(-)
diff --git
process will be specific
to each migration mode, and added in subsequent patches.
Signed-off-by: Steve Sistare
---
include/migration/cpr.h | 21 ++
migration/cpr.c | 188
migration/meson.build | 1 +
migration/migration.c | 6
Define a convenience function to add a migration blocker for a single mode.
Signed-off-by: Steve Sistare
---
include/migration/blocker.h | 7 +++
migration/migration.c | 5 +
stubs/migr-blocker.c| 5 +
3 files changed, 17 insertions(+)
diff --git a/include/migration
Define VMSTATE_VOID_PTR so the value of a pointer (but not its target)
can be saved in the migration stream. This will be needed for CPR.
Signed-off-by: Steve Sistare
---
include/migration/vmstate.h | 15 +++
migration/vmstate-types.c | 24
2 files
Define a type for the 256 byte id string to guarantee the same length is
used and enforced everywhere.
Signed-off-by: Steve Sistare
---
include/exec/ramblock.h | 3 ++-
include/migration/vmstate.h | 2 ++
migration/savevm.c | 8
migration/vmstate.c | 3 ++-
4 files
Create a common subroutine to allocate a RAMBlock, de-duping the code to
populate its common fields. Add a trace point for good measure.
No functional change.
Signed-off-by: Steve Sistare
---
system/physmem.c| 47 ++-
system/trace-events | 3
CPR with iommufd. Preserve guest_memfd, even though CPR does not yet
support it, to maintain vmstate compatibility when it becomes supported.
Signed-off-by: Steve Sistare
---
include/exec/ramblock.h | 6 ++
system/physmem.c| 40
2 files chan
implements a minimal version of cpr-exec. Future series
will add support for:
* vfio
* chardev's without loss of connectivity
* vhost
* fine-grained seccomp controls
* hostmem-memfd
* cpr-exec migration test
Steve Sistare (26):
oslib: qemu_clear_cloexec
vl: helper to request re-exec
-off-by: Steve Sistare
---
migration/savevm.c | 55 +++---
1 file changed, 32 insertions(+), 23 deletions(-)
diff --git a/migration/savevm.c b/migration/savevm.c
index 4509482..6829ba3 100644
--- a/migration/savevm.c
+++ b/migration/savevm.c
Hoist host memory allocation from ram_block_add.
No functional change.
Signed-off-by: Steve Sistare
---
system/physmem.c | 80 +---
1 file changed, 36 insertions(+), 44 deletions(-)
diff --git a/system/physmem.c b/system/physmem.c
index
Do not modify RAMBlocks in ram_block_add. The block should be fully
formed before calling ram_block_add to add it to the block list. This
will simplify error handling and be more modular.
Start by hoisting guest_memfd creation to the call sites.
No functional change.
Signed-off-by: Steve
cpr-exec mode needs permission to exec. Block it if permission is denied.
Signed-off-by: Steve Sistare
---
include/sysemu/seccomp.h | 1 +
system/qemu-seccomp.c| 10 --
system/vl.c | 6 ++
3 files changed, 15 insertions(+), 2 deletions(-)
diff --git a/include
Add the only-migratable-modes option as a generalization of only-migratable.
Only devices that support all requested modes are allowed.
Signed-off-by: Steve Sistare
---
include/migration/misc.h | 3 +++
include/sysemu/sysemu.h| 1 -
migration/migration-hmp-cmds.c | 26
and qemu_savevm_precreate_load, but these
functions are not yet called in this patch. Allow them to be called
before or after normal migration is active, when current_migration and
current_incoming are not valid.
Signed-off-by: Steve Sistare
---
include/migration/vmstate.h | 6
migration
to these dependencies changing)
by the time vmstate_register_ram is called (where the id was previously
assigned).
Signed-off-by: Steve Sistare
---
include/exec/cpu-common.h | 3 +--
migration/savevm.c| 4 +---
system/physmem.c | 46 +++---
3 files
Define an accessor to find vmstate state handler by name and id and
unregister it. This is needed to unregister a specific instance of an
object that is not an Object, since it lacks the VMStateIf get_id hook.
Signed-off-by: Steve Sistare
---
include/migration/vmstate.h | 9
Add blockers for cpr-exec migration mode for devices and options that do
not support it.
Signed-off-by: Steve Sistare
---
accel/xen/xen-all.c| 5 +
backends/hostmem-epc.c | 12 ++--
hw/vfio/migration.c| 3 ++-
replay/replay.c| 6 ++
4 files changed, 23
for memory-backend-memfd, and for additional
devices, including vfio, chardev, and more.
Signed-off-by: Steve Sistare
---
include/migration/cpr.h | 14 +
include/migration/misc.h | 3 ++
migration/cpr.c | 131 +++
migration/meson.build| 1
Define vmstate_register_named which takes the instance name as its first
parameter, instead of generating the name from VMStateIf of the Object.
This will be needed to register objects that are not Objects. Pass the
new name parameter to vmstate_register_with_alias_id.
Signed-off-by: Steve
not
occur on the target, causing a "Mismatched GPAs" error during cpr-exec
migration.
To fix, unconditionally set the target's address to the source's address
if the region does not have an address yet.
Signed-off-by: Steve Sistare
---
include/exec/memory.h | 12
migration/ram.c
. Preserving guest_memfd may be
sufficient for cpr-exec, but it has not been tested yet.
- Steve
Signed-off-by: Steve Sistare
---
include/exec/memory.h | 3 +++
include/exec/ramblock.h | 1 +
migration/savevm.c | 2 ++
system/physmem.c| 52
Create the cpr-exec-args migration parameter, defined as a list of
strings. It will be used for cpr-exec migration mode in a subsequent
patch.
No functional change, except that cpr-exec-args is shown by the
'info migrate' command.
Signed-off-by: Steve Sistare
---
hmp-commands.hx
-specific code.
A factory is a registered VMStateDescription with factory=true and
instance_id VMSTATE_INSTANCE_ID_FACTORY.
A factory object is registered using the same VMStateDescription, but with
its own instance_name and instance_id.
Signed-off-by: Steve Sistare
---
include/migration
Signed-off-by: Steve Sistare
---
migration/savevm.c | 10 --
1 file changed, 4 insertions(+), 6 deletions(-)
diff --git a/migration/savevm.c b/migration/savevm.c
index 6829ba3..9789823 100644
--- a/migration/savevm.c
+++ b/migration/savevm.c
@@ -2591,8 +2591,7 @@ static bool
Define qemu_clear_cloexec, analogous to qemu_set_cloexec.
Signed-off-by: Steve Sistare
Reviewed-by: Dr. David Alan Gilbert
Reviewed-by: Marc-André Lureau
---
include/qemu/osdep.h | 9 +
util/oslib-posix.c | 9 +
util/oslib-win32.c | 4
3 files changed, 22 insertions
Allocate anonymous memory using memfd_create if the memfd-alloc machine
option is set.
Signed-off-by: Steve Sistare
---
hw/core/machine.c | 22 ++
include/hw/boards.h | 1 +
qemu-options.hx | 6 ++
system/memory.c | 9 ++---
system/physmem.c| 18
requiring that qemu call an object-specific initialization function.
Signed-off-by: Steve Sistare
---
include/migration/vmstate.h | 18 ++
migration/savevm.c | 32
system/vl.c | 3 +++
3 files changed, 53 insertions(+)
diff
Provide migration_precreate_save for saving precreate vmstate across exec.
Create a memfd, save its value in the environment, and serialize state
to it. Reverse the process in migration_precreate_load.
Signed-off-by: Steve Sistare
---
include/migration/misc.h | 5 ++
migration/meson.build
Add a qemu_system_exec_request() hook that causes the main loop to exit and
re-exec qemu using the specified arguments.
Signed-off-by: Steve Sistare
---
include/sysemu/runstate.h | 3 +++
system/runstate.c | 29 +
2 files changed, 32 insertions(+)
diff
Signed-off-by: Steve Sistare
---
docs/devel/migration/CPR.rst | 147 ++
docs/devel/migration/features.rst | 1 +
2 files changed, 148 insertions(+)
create mode 100644 docs/devel/migration/CPR.rst
diff --git a/docs/devel/migration/CPR.rst b/docs/devel
Define and export migration_thread_is_self to eliminate a dependency
on MigrationState.
Signed-off-by: Steve Sistare
---
include/migration/misc.h | 1 +
migration/migration.c| 7 +++
system/dirtylimit.c | 5 +
3 files changed, 9 insertions(+), 4 deletions(-)
diff --git
Define and export vcpu_dirty_limit_period to eliminate a dependency
on MigrationState.
Signed-off-by: Steve Sistare
---
include/migration/client-options.h | 1 +
migration/options.c| 7 +++
system/dirtylimit.c| 3 +--
3 files changed, 9 insertions(+), 2
Move remaining MigrationState references from the public file
misc.h to the private file migration.h.
Signed-off-by: Steve Sistare
---
include/migration/misc.h | 6 ++
migration/migration.h| 6 ++
2 files changed, 8 insertions(+), 4 deletions(-)
diff --git a/include/migration
Delete the MigrationState parameter from migration_is_running and move
it to the public API in misc.h.
Signed-off-by: Steve Sistare
---
include/migration/misc.h | 1 +
migration/migration.c | 10 ++
migration/migration.h | 2 --
migration/options.c| 4
Define and export migration_is_device to eliminate a dependency
on MigrationState.
Signed-off-by: Steve Sistare
---
hw/vfio/common.c | 4 +---
include/migration/misc.h | 1 +
migration/migration.c| 7 +++
3 files changed, 9 insertions(+), 3 deletions(-)
diff --git a/hw/vfio
Remove private migration interfaces from net/colo-compare.c and push them
to migration/colo.c.
Signed-off-by: Steve Sistare
---
migration/colo.c | 17 +++--
net/colo-compare.c | 3 +--
stubs/colo.c | 1 -
3 files changed, 12 insertions(+), 9 deletions(-)
diff --git
Signed-off-by: Steve Sistare
---
include/migration/misc.h | 3 ---
migration/migration.c| 10 --
2 files changed, 13 deletions(-)
diff --git a/include/migration/misc.h b/include/migration/misc.h
index e521cd5..d563d2c 100644
--- a/include/migration/misc.h
+++ b/include/migration
Delete the MigrationState parameter from migration_is_setup_or_active
and move it to the public API in misc.h.
Signed-off-by: Steve Sistare
Reviewed-by: Philippe Mathieu-Daudé
---
hw/vfio/common.c | 2 +-
include/migration/misc.h | 1 +
migration/migration.c| 12
these fixes, no code outside of migration includes migration.h,
and no code outside of migration uses MigrationState.
This series depends on the following:
* singleton patch "migration: export fewer options"
Changes in V2:
* rebase to migration-next, add RB
* split last patch
Ste
Define and export migration_file_set_error to eliminate a dependency
on MigrationState.
Signed-off-by: Steve Sistare
---
hw/vfio/common.c | 9 +
hw/vfio/migration.c | 11 +++
include/migration/misc.h | 2 ++
migration/migration.c| 11 +++
4 files
Remove migration.h from files that no longer need it due to
previous commits.
Signed-off-by: Steve Sistare
---
hw/vfio/container.c| 1 -
hw/virtio/vhost-user.c | 1 -
hw/virtio/virtio-balloon.c | 1 -
system/qdev-monitor.c | 1 -
target/loongarch/kvm/kvm.c | 1 -
tests/unit
Delete the MigrationState parameter from migration_is_active so it
can be exported and used without including migration.h.
Signed-off-by: Steve Sistare
---
hw/vfio/common.c | 4 ++--
include/migration/misc.h | 2 +-
migration/migration.c| 10 ++
system/dirtylimit.c
the necessary few via
misc.h, which already exports a portion of the client API.
Signed-off-by: Steve Sistare
---
Changes in V3:
* rebase to migration-next
---
---
hw/vfio/migration.c| 1 -
hw/virtio/virtio-balloon.c | 1 -
include/migration/client-options.h | 24
Re-wrap the cpr-reboot documentation to 70 columns, use '@' for
cpr-reboot references, capitalize COLO and VFIO, and tweak the
wording.
Suggested-by: Markus Armbruster
Signed-off-by: Steve Sistare
---
qapi/migration.json | 36 +++-
1 file changed, 19 insertions
Re-wrap the cpr-reboot documentation to 70 columns, use '@' for
cpr-reboot references, and capitalize COLO.
Suggested-by: Markus Armbruster
Signed-off-by: Steve Sistare
---
qapi/migration.json | 36 +++-
1 file changed, 19 insertions(+), 17 deletions(-)
diff
Remove private migration interfaces from net/colo-compare.c and push them
to migration/colo.c.
Signed-off-by: Steve Sistare
---
migration/colo.c | 17 +++--
net/colo-compare.c | 3 +--
stubs/colo.c | 1 -
3 files changed, 12 insertions(+), 9 deletions(-)
diff --git
Define and export migration_is_device to eliminate a dependency
on MigrationState.
Signed-off-by: Steve Sistare
---
hw/vfio/common.c | 4 +---
include/migration/misc.h | 1 +
migration/migration.c| 7 +++
3 files changed, 9 insertions(+), 3 deletions(-)
diff --git a/hw/vfio
Delete unused accessors and move remaining MigrationState references
from the public file misc.h to the private file migration.h.
Signed-off-by: Steve Sistare
---
include/migration/misc.h | 9 ++---
migration/migration.c| 10 --
migration/migration.h| 6 ++
3 files
Remove migration.h from files that no longer need it due to
previous commits.
Signed-off-by: Steve Sistare
---
hw/vfio/container.c| 1 -
hw/virtio/vhost-user.c | 1 -
hw/virtio/virtio-balloon.c | 1 -
system/qdev-monitor.c | 1 -
target/loongarch/kvm/kvm.c | 1 -
tests/unit
these fixes, no code outside of migration includes migration.h,
and no code outside of migration uses MigrationState.
This series depends on the following:
* migration patches in the series "allow cpr-reboot for vfio"
* singleton patch "migration: export fewer options"
Define and export migration_thread_is_self to eliminate a dependency
on MigrationState.
Signed-off-by: Steve Sistare
---
include/migration/misc.h | 1 +
migration/migration.c| 7 +++
system/dirtylimit.c | 5 +
3 files changed, 9 insertions(+), 4 deletions(-)
diff --git
Define and export migration_file_set_error to eliminate a dependency
on MigrationState.
Signed-off-by: Steve Sistare
---
hw/vfio/common.c | 9 +
hw/vfio/migration.c | 11 +++
include/migration/misc.h | 2 ++
migration/migration.c| 11 +++
4 files
Define and export vcpu_dirty_limit_period to eliminate a dependency
on MigrationState.
Signed-off-by: Steve Sistare
---
include/migration/client-options.h | 1 +
migration/options.c| 7 +++
system/dirtylimit.c| 3 +--
3 files changed, 9 insertions(+), 2
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