16cc2ade5d
This patch adds python scripts for basic handling of QEMU Machine Protocol connection for use with vfio_user. Basic low-level connection and error handling added as extended socket class. QMPClient: Wrapper class for handling connection with QMP was added. Protected class method _receive relies on the fact, that QMP always sends command 'in one line' - each one is always terminated with CRLF. https://github.com/qemu/qemu/blob/master/docs/interop/qmp-spec.txt Usage example, command line calls: 1) Without event parameter: ```json { "request": { "execute": "device-list-properties", "arguments": { "typename": "vfiouser-0-1-1" } } } ``` 2) With event parameter specified. Specifying 'event' parameter will set script to block wait for occurrence of such one after a valid execution of specified request: ```json { "event": { "event": "DEVICE_DELETED", "data": { "device": "vfiouser-0-1-1" } }, "request": { "execute": "device_del", "arguments": { "id": "vfiouser-0-1-1" } } } ``` Signed-off-by: mionsz <milosz.linkiewicz@intel.com> Change-Id: I7a548f61d31097ad425994b2ea4bac8bc6800b5b Signed-off-by: Sebastian Brzezinka <sebastian.brzezinka@intel.com> Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/11106 Tested-by: SPDK CI Jenkins <sys_sgci@intel.com> Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com> Reviewed-by: Konrad Sztyber <konrad.sztyber@intel.com> Reviewed-by: Jim Harris <james.r.harris@intel.com> |
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