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b=eAWESP2Z81oqljFCnMA9aX6XYH5ZamxDeJRQDtHZ1w0+hW5zyyIEUWPpmIF9f/xn3Wzy5J7kefBupsGcDkpJ1n4peThwJvfUnNqA9nBt5PeaXcvqqBce2Hfe+N1iGvCJGb6q11ye5ZcrvuJoNNtpQPfW02YLEXvNRjp7YoTCzjhChf7jc/S80KsyIUfMgeogLbJJ8gywfvQAts//SQHOpzPA0CDBe6nFZf1M0i6YURSHnYx3Ovvlj2fV+CP/gFpwGtl3PmEZVn0w4OProc99/dXmH60vWOMxZqreRjnGhCNgKyUaVkeGseRECbHCIJ8brdzBBoAl95VhLEAAFyme3Q== From: Het Gala To: qemu-devel@nongnu.org Cc: prerna.saxena@nutanix.com, quintela@redhat.com, dgilbert@redhat.com, pbonzini@redhat.com, berrange@redhat.com, armbru@redhat.com, eblake@redhat.com, manish.mishra@nutanix.com, aravind.retnakaran@nutanix.com, Het Gala Subject: [PATCH v6 1/9] migration: introduced 'MigrateAddress' in QAPI for migration wire protocol. 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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=148.163.155.12; envelope-from=het.gala@nutanix.com; helo=mx0b-002c1b01.pphosted.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @nutanix.com) X-ZM-MESSAGEID: 1686046612141100004 This patch introduces well defined MigrateAddress struct and its related child objects. The existing argument of 'migrate' and 'migrate-incoming' QAPI - 'uri' is of string type. The current migration flow follows double encoding scheme for fetching migration parameters such as 'uri' and this is not an ideal design. Motive for intoducing struct level design is to prevent double encoding of QAPI arguments, as Qemu should be able to directly use the QAPI arguments without any level of encoding. Suggested-by: Aravind Retnakaran Signed-off-by: Het Gala Reviewed-by: Juan Quintela Reviewed-by: Daniel P. Berrang=C3=A9 --- qapi/migration.json | 45 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) diff --git a/qapi/migration.json b/qapi/migration.json index 179af0c4d8..e61d25eba2 100644 --- a/qapi/migration.json +++ b/qapi/migration.json @@ -1407,6 +1407,51 @@ ## { 'command': 'migrate-continue', 'data': {'state': 'MigrationStatus'} } =20 +## +# @MigrationAddressType: +# +# The migration stream transport mechanisms. +# +# @socket: Migrate via socket. +# +# @exec: Direct the migration stream to another process. +# +# @rdma: Migrate via RDMA. +# +# Since 8.1 +## +{ 'enum': 'MigrationAddressType', + 'data': ['socket', 'exec', 'rdma'] } + +## +# @MigrationExecCommand: +# +# @args: list of commands for migraton stream execution to a file. +# +# Notes: +# +# 1. @args[0] needs to be the path to the new program. +# +# Since 8.1 +## +{ 'struct': 'MigrationExecCommand', + 'data': {'args': [ 'str' ] } } + +## +# @MigrationAddress: +# +# Migration endpoint configuration. +# +# Since 8.1 +## +{ 'union': 'MigrationAddress', + 'base': { 'transport' : 'MigrationAddressType'}, + 'discriminator': 'transport', + 'data': { + 'socket': 'SocketAddress', + 'exec': 'MigrationExecCommand', + 'rdma': 'InetSocketAddress' } } + ## # @migrate: # --=20 2.22.3