From: Wen Congyang <wency@cn.fujitsu.com>
To: xen devel <xen-devel@lists.xen.org>,
Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
Andrew Cooper <andrew.cooper3@citrix.com>,
Ian Campbell <ian.campbell@citrix.com>,
Ian Jackson <ian.jackson@eu.citrix.com>,
Wei Liu <wei.liu2@citrix.com>
Cc: Lars Kurth <lars.kurth@citrix.com>,
Changlong Xie <xiecl.fnst@cn.fujitsu.com>,
Wen Congyang <wency@cn.fujitsu.com>,
Gui Jianfeng <guijianfeng@cn.fujitsu.com>,
Jiang Yunhong <yunhong.jiang@intel.com>,
Dong Eddie <eddie.dong@intel.com>,
Shriram Rajagopalan <rshriram@cs.ubc.ca>,
Yang Hongyang <hongyang.yang@easystack.cn>
Subject: [PATCH v10 07/31] docs/libxl: Introduce CHECKPOINT_CONTEXT to support migration v2 colo streams
Date: Mon, 22 Feb 2016 10:52:11 +0800 [thread overview]
Message-ID: <1456109555-28299-8-git-send-email-wency@cn.fujitsu.com> (raw)
In-Reply-To: <1456109555-28299-1-git-send-email-wency@cn.fujitsu.com>
It is the negotiation record for COLO.
Primary->Secondary:
control_id 0x00000000: Secondary VM is out of sync, start a new checkpoint
Secondary->Primary:
0x00000001: Secondary VM is suspended
0x00000002: Secondary VM is ready
0x00000003: Secondary VM is resumed
Signed-off-by: Wen Congyang <wency@cn.fujitsu.com>
Signed-off-by: Yang Hongyang <hongyang.yang@easystack.cn>
---
docs/specs/libxl-migration-stream.pandoc | 25 +++++++++++++++++++++++--
tools/libxl/libxl_sr_stream_format.h | 11 +++++++++++
tools/python/xen/migration/libxl.py | 9 +++++++++
3 files changed, 43 insertions(+), 2 deletions(-)
diff --git a/docs/specs/libxl-migration-stream.pandoc b/docs/specs/libxl-migration-stream.pandoc
index 2c97d86..5166d66 100644
--- a/docs/specs/libxl-migration-stream.pandoc
+++ b/docs/specs/libxl-migration-stream.pandoc
@@ -1,6 +1,6 @@
% LibXenLight Domain Image Format
% Andrew Cooper <<andrew.cooper3@citrix.com>>
-% Revision 1
+% Revision 2
Introduction
============
@@ -119,7 +119,9 @@ type 0x00000000: END
0x00000004: CHECKPOINT_END
- 0x00000005 - 0x7FFFFFFF: Reserved for future _mandatory_
+ 0x00000005: CHECKPOINT_STATE
+
+ 0x00000006 - 0x7FFFFFFF: Reserved for future _mandatory_
records.
0x80000000 - 0xFFFFFFFF: Reserved for future _optional_
@@ -249,6 +251,25 @@ A checkpoint end record marks the end of a checkpoint in the image.
The end record contains no fields; its body_length is 0.
+CHECKPOINT\_STATE
+--------------
+
+A checkpoint state record contains the control information for checkpoint.
+
+ 0 1 2 3 4 5 6 7 octet
+ +------------------------+------------------------+
+ | control_id | padding |
+ +------------------------+------------------------+
+
+--------------------------------------------------------------------
+Field Description
+------------ ---------------------------------------------------
+control_id 0x00000000: Secondary VM is out of sync, start a new checkpoint
+ 0x00000001: Secondary VM is suspended
+ 0x00000002: Secondary VM is ready
+ 0x00000003: Secondary VM is resumed
+--------------------------------------------------------------------
+
Future Extensions
=================
diff --git a/tools/libxl/libxl_sr_stream_format.h b/tools/libxl/libxl_sr_stream_format.h
index 54da360..75f5190 100644
--- a/tools/libxl/libxl_sr_stream_format.h
+++ b/tools/libxl/libxl_sr_stream_format.h
@@ -36,6 +36,7 @@ typedef struct libxl__sr_rec_hdr
#define REC_TYPE_EMULATOR_XENSTORE_DATA 0x00000002U
#define REC_TYPE_EMULATOR_CONTEXT 0x00000003U
#define REC_TYPE_CHECKPOINT_END 0x00000004U
+#define REC_TYPE_CHECKPOINT_STATE 0x00000005U
typedef struct libxl__sr_emulator_hdr
{
@@ -47,6 +48,16 @@ typedef struct libxl__sr_emulator_hdr
#define EMULATOR_QEMU_TRADITIONAL 0x00000001U
#define EMULATOR_QEMU_UPSTREAM 0x00000002U
+typedef struct libxl_sr_checkpoint_state
+{
+ uint32_t id;
+} libxl_sr_checkpoint_state;
+
+#define CHECKPOINT_NEW 0x00000000U
+#define CHECKPOINT_SVM_SUSPENDED 0x00000001U
+#define CHECKPOINT_SVM_READY 0x00000002U
+#define CHECKPOINT_SVM_RESUMED 0x00000003U
+
#endif /* LIBXL__SR_STREAM_FORMAT_H */
/*
diff --git a/tools/python/xen/migration/libxl.py b/tools/python/xen/migration/libxl.py
index fc0acf6..d5f54dc 100644
--- a/tools/python/xen/migration/libxl.py
+++ b/tools/python/xen/migration/libxl.py
@@ -37,6 +37,7 @@ REC_TYPE_libxc_context = 0x00000001
REC_TYPE_emulator_xenstore_data = 0x00000002
REC_TYPE_emulator_context = 0x00000003
REC_TYPE_checkpoint_end = 0x00000004
+REC_TYPE_checkpoint_state = 0x00000005
rec_type_to_str = {
REC_TYPE_end : "End",
@@ -44,6 +45,7 @@ rec_type_to_str = {
REC_TYPE_emulator_xenstore_data : "Emulator xenstore data",
REC_TYPE_emulator_context : "Emulator context",
REC_TYPE_checkpoint_end : "Checkpoint end",
+ REC_TYPE_checkpoint_state : "Checkpoint state"
}
# emulator_* header
@@ -212,6 +214,11 @@ class VerifyLibxl(VerifyBase):
if len(content) != 0:
raise RecordError("Checkpoint end record with non-zero length")
+ def verify_record_checkpoint_state(self, content):
+ """ Checkpoint state """
+ if len(content) == 0:
+ raise RecordError("Checkpoint state record with zero length")
+
record_verifiers = {
REC_TYPE_end:
@@ -224,4 +231,6 @@ record_verifiers = {
VerifyLibxl.verify_record_emulator_context,
REC_TYPE_checkpoint_end:
VerifyLibxl.verify_record_checkpoint_end,
+ REC_TYPE_checkpoint_state:
+ VerifyLibxl.verify_record_checkpoint_state,
}
--
2.5.0
next prev parent reply other threads:[~2016-02-22 2:52 UTC|newest]
Thread overview: 70+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-22 2:52 [PATCH v10 00/31] COarse-grain LOck-stepping Virtual Machines for Non-stop Service Wen Congyang
2016-02-22 2:52 ` [PATCH v10 01/31] tools/libxl: introduce libxl__domain_restore_device_model to load qemu state Wen Congyang
2016-02-25 15:53 ` Wei Liu
2016-02-26 1:55 ` Wen Congyang
2016-02-22 2:52 ` [PATCH v10 02/31] tools/libxl: introduce libxl__domain_common_switch_qemu_logdirty() Wen Congyang
2016-02-22 2:52 ` [PATCH v10 03/31] tools/libxl: Add back channel to allow migration target send data back Wen Congyang
2016-02-22 2:52 ` [PATCH v10 04/31] tools/libxl: Introduce new helper function dup_fd_helper() Wen Congyang
2016-02-25 15:53 ` Wei Liu
2016-02-22 2:52 ` [PATCH v10 05/31] tools/libx{l, c}: add back channel to libxc Wen Congyang
2016-02-25 15:54 ` Wei Liu
2016-02-22 2:52 ` [PATCH v10 06/31] docs: add colo readme Wen Congyang
2016-02-25 15:54 ` Wei Liu
2016-02-22 2:52 ` Wen Congyang [this message]
2016-02-25 15:54 ` [PATCH v10 07/31] docs/libxl: Introduce CHECKPOINT_CONTEXT to support migration v2 colo streams Wei Liu
2016-02-26 1:59 ` Wen Congyang
2016-02-22 2:52 ` [PATCH v10 08/31] libxc/migration: Specification update for DIRTY_PFN_LIST records Wen Congyang
2016-02-22 2:52 ` [PATCH v10 09/31] libxc/migration: export read_record for common use Wen Congyang
2016-02-22 2:52 ` [PATCH v10 10/31] tools/libxl: add back channel support to write stream Wen Congyang
2016-02-25 15:54 ` Wei Liu
2016-02-26 2:11 ` Wen Congyang
2016-03-02 15:02 ` Wei Liu
2016-03-03 1:25 ` Wen Congyang
2016-02-22 2:52 ` [PATCH v10 11/31] tools/libxl: write checkpoint_state records into the stream Wen Congyang
2016-02-22 2:52 ` [PATCH v10 12/31] tools/libxl: add back channel support to read stream Wen Congyang
2016-02-25 15:54 ` Wei Liu
2016-02-26 2:16 ` Wen Congyang
2016-03-02 15:03 ` Wei Liu
2016-02-22 2:52 ` [PATCH v10 13/31] tools/libxl: handle checkpoint_state records in a libxl migration v2 " Wen Congyang
2016-02-22 2:52 ` [PATCH v10 14/31] tools/libx{l, c}: introduce wait_checkpoint callback Wen Congyang
2016-02-22 2:52 ` [PATCH v10 15/31] tools/libx{l, c}: add postcopy/suspend callback to restore side Wen Congyang
2016-02-22 2:52 ` [PATCH v10 16/31] secondary vm suspend/resume/checkpoint code Wen Congyang
2016-02-25 15:56 ` Wei Liu
2016-02-26 2:30 ` Wen Congyang
2016-03-01 10:06 ` Wen Congyang
2016-02-22 2:52 ` [PATCH v10 17/31] primary " Wen Congyang
2016-02-25 15:57 ` Wei Liu
2016-02-26 2:32 ` Wen Congyang
2016-02-22 2:52 ` [PATCH v10 18/31] libxc/restore: support COLO restore Wen Congyang
2016-02-25 15:57 ` Wei Liu
2016-02-26 2:33 ` Wen Congyang
2016-02-22 2:52 ` [PATCH v10 19/31] libxc/restore: send dirty pfn list to primary when checkpoint under colo Wen Congyang
2016-02-22 2:52 ` [PATCH v10 20/31] send store gfn and console gfn to xl before resuming secondary vm Wen Congyang
2016-02-22 2:52 ` [PATCH v10 21/31] libxc/save: support COLO save Wen Congyang
2016-02-25 15:58 ` Wei Liu
2016-02-26 2:35 ` Wen Congyang
2016-02-22 2:52 ` [PATCH v10 22/31] implement the cmdline for COLO Wen Congyang
2016-03-02 15:03 ` Wei Liu
2016-03-03 1:30 ` Wen Congyang
2016-02-22 2:52 ` [PATCH v10 23/31] COLO: introduce new API to prepare/start/do/get_error/stop replication Wen Congyang
2016-03-02 15:03 ` Wei Liu
2016-02-22 2:52 ` [PATCH v10 24/31] Support colo mode for qemu disk Wen Congyang
2016-03-02 15:04 ` Wei Liu
2016-03-03 1:40 ` Wen Congyang
2016-02-22 2:52 ` [PATCH v10 25/31] COLO: use qemu block replication Wen Congyang
2016-03-02 15:03 ` Wei Liu
2016-02-22 2:52 ` [PATCH v10 26/31] COLO proxy: implement setup/teardown of COLO proxy module Wen Congyang
2016-03-02 15:04 ` Wei Liu
2016-03-11 22:25 ` Konrad Rzeszutek Wilk
2016-03-14 9:13 ` Wen Congyang
2016-03-22 3:40 ` Changlong Xie
2016-02-22 2:52 ` [PATCH v10 27/31] COLO proxy: preresume, postresume and checkpoint Wen Congyang
2016-03-02 15:04 ` Wei Liu
2016-02-22 2:52 ` [PATCH v10 28/31] COLO nic: implement COLO nic subkind Wen Congyang
2016-03-02 15:04 ` Wei Liu
2016-02-22 2:52 ` [PATCH v10 29/31] setup and control colo proxy on primary side Wen Congyang
2016-02-22 2:52 ` [PATCH v10 30/31] setup and control colo proxy on secondary side Wen Congyang
2016-02-22 2:52 ` [PATCH v10 31/31] cmdline switches and config vars to control colo-proxy Wen Congyang
2016-03-02 15:05 ` Wei Liu
2016-03-03 1:41 ` Wen Congyang
2016-02-25 16:05 ` [PATCH v10 00/31] COarse-grain LOck-stepping Virtual Machines for Non-stop Service Wei Liu
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