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[PATCH v5 0/7] DEVICE_UNPLUG_ERROR QAPI event
From: |
Daniel Henrique Barboza |
Subject: |
[PATCH v5 0/7] DEVICE_UNPLUG_ERROR QAPI event |
Date: |
Mon, 12 Jul 2021 16:43:32 -0300 |
Hi,
In this version the most notable changes are additional cleanups/fixes
patches that precedes the introduction of the new DEVICE_UNPLUG_ERROR
API, and the change of DEVICE_UNPLUG_ERROR to behave more in line
with DEVICE_DELETED, as suggested by Markus.
This is how the new event looks like:
{"execute": "device_del", "arguments": {"id": "core1"} }
{"return": {}}
{"timestamp": {"seconds": 1626117386, "microseconds": 182215},
"event": "DEVICE_UNPLUG_ERROR",
"data": {"device": "core1",
"msg": "Device hotunplug rejected by the guest for device core1",
"path": "/machine/peripheral/core1"}}
I kept the 'msg' element since both MEM_UNPLUG_ERROR callers provides a
reason for the failed unplug. This element works like 'device' and it's
provided if available.
changes from v4:
- patch 1 (new):
* avoid emitting MEM_UNPLUG_ERROR when dev->id == NULL in
memory_hotplug.c
- patch 2 (new):
* avoid emitting MEM_UNPLUG_ERROR when dev->id == NULL in
spapr.c
- patch 3 (new):
* do not error_report() when drc->dev->id == NULL
- patch 4 (new):
* update DEVICE_DELETED API docs
- patch 5 (former 1):
* added 2 spaces after each sentence
* appended "Some errors cannot be detected." in DEVICE_UNPLUG_ERROR
docs
* changed release from 6.1 to 6.2 in docs
* changed DEVICE_UNPLUG_ERROR API to behave more like device_deleted
- patches 6 and 7:
* changed to use the new DEVICE_UNPLUG_ERROR API
- v4 link: https://lists.gnu.org/archive/html/qemu-devel/2021-07/msg01355.html
changes from v3:
- patch 1:
* fixed format
- all patches:
* rebased with master
* added David's R-b
- v3 link: https://lists.gnu.org/archive/html/qemu-devel/2021-06/msg05842.html
changes from v2:
- patch 1:
* moved DEVICE_UNPLUG_ERROR declaration to qapi/qdev.json
* updated 'device_del' description
* added 'deprecated' notice on MEM_UNPLUG_ERROR
* added MEM_UNPLUG_ERROR 'deprecated' info in docs/system/deprecated.rst
- patch 2:
* send both MEM_UNPLUG_ERROR and DEVICE_UNPLUG_ERROR
- patch 3 (new):
* send DEVICE_UNPLUG_ERROR in acpi/memory_hotplug.c
- v2 link: https://lists.gnu.org/archive/html/qemu-devel/2021-06/msg01304.html
changes from v1:
- former patches 1 and 2: dropped
- patch 1 (former 3): changed the version to '6.1'
- patch 2 (former 4): add a DEVICE_UNPLUG_ERROR event in the device
unplug error path of CPUs and DIMMs
- v1 link: https://lists.gnu.org/archive/html/qemu-devel/2021-03/msg04682.html
Daniel Henrique Barboza (7):
hw/acpi/memory_hotplug.c: avoid sending MEM_UNPLUG_ERROR if dev->id is
NULL
spapr.c: avoid sending MEM_UNPLUG_ERROR if dev->id is NULL
spapr_drc.c: do not error_report() when drc->dev->id == NULL
qapi/qdev.json: fix DEVICE_DELETED parameters doc
qapi/qdev.json: add DEVICE_UNPLUG_ERROR QAPI event
spapr: use DEVICE_UNPLUG_ERROR to report unplug errors
memory_hotplug.c: send DEVICE_UNPLUG_ERROR in
acpi_memory_hotplug_write()
docs/system/deprecated.rst | 10 ++++++++++
hw/acpi/memory_hotplug.c | 19 +++++++++++++++++--
hw/ppc/spapr.c | 17 +++++++++++++----
hw/ppc/spapr_drc.c | 20 ++++++++++++++------
qapi/machine.json | 6 +++++-
qapi/qdev.json | 34 +++++++++++++++++++++++++++++++---
stubs/qdev.c | 7 +++++++
7 files changed, 97 insertions(+), 16 deletions(-)
--
2.31.1
- [PATCH v5 0/7] DEVICE_UNPLUG_ERROR QAPI event,
Daniel Henrique Barboza <=
- [PATCH v5 1/7] hw/acpi/memory_hotplug.c: avoid sending MEM_UNPLUG_ERROR if dev->id is NULL, Daniel Henrique Barboza, 2021/07/12
- [PATCH v5 2/7] spapr.c: avoid sending MEM_UNPLUG_ERROR if dev->id is NULL, Daniel Henrique Barboza, 2021/07/12
- [PATCH v5 3/7] spapr_drc.c: do not error_report() when drc->dev->id == NULL, Daniel Henrique Barboza, 2021/07/12
- [PATCH v5 4/7] qapi/qdev.json: fix DEVICE_DELETED parameters doc, Daniel Henrique Barboza, 2021/07/12
- [PATCH v5 5/7] qapi/qdev.json: add DEVICE_UNPLUG_ERROR QAPI event, Daniel Henrique Barboza, 2021/07/12