[libvirt] [PATCHv4 4/6] Add virDomain{G, S}etNumaParameters support to the remote driver

From: Hu Tao <hutao(a)cn.fujitsu.com&gt; --- daemon/remote.c | 64 ++++++++++++++++++++++++++++++++++++++++++ src/remote/remote_driver.c | 50 ++++++++++++++++++++++++++++++++ src/remote/remote_protocol.x | 24 +++++++++++++++- src/remote_protocol-structs | 22 ++++++++++++++ 4 files changed, 159 insertions(+), 1 deletions(-) diff --git a/daemon/remote.c b/daemon/remote.c index e1d208c..20193b1 100644 --- a/daemon/remote.c +++ b/daemon/remote.c @@ -1630,6 +1630,70 @@ cleanup: } static int +remoteDispatchDomainGetNumaParameters(virNetServerPtr server ATTRIBUTE_UNUSED, + virNetServerClientPtr client ATTRIBUTE_UNUSED, + virNetMessagePtr msg ATTRIBUTE_UNUSED, + virNetMessageErrorPtr rerr, + remote_domain_get_numa_parameters_args *args, + remote_domain_get_numa_parameters_ret *ret) +{ + virDomainPtr dom = NULL; + virTypedParameterPtr params = NULL; + int nparams = args->nparams; + unsigned int flags; + int rv = -1; + struct daemonClientPrivate *priv = + virNetServerClientGetPrivateData(client); + + if (!priv->conn) { + virNetError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open")); + goto cleanup; + } + + flags = args->flags; + + if (nparams > REMOTE_DOMAIN_MEMORY_PARAMETERS_MAX) { + virNetError(VIR_ERR_INTERNAL_ERROR, "%s", _("nparams too large")); + goto cleanup; + } + if (VIR_ALLOC_N(params, nparams) < 0) { + virReportOOMError(); + goto cleanup; + } + + if (!(dom = get_nonnull_domain(priv->conn, args->dom))) + goto cleanup; + + if (virDomainGetNumaParameters(dom, params, &nparams, flags) < 0) + goto cleanup; + + /* In this case, we need to send back the number of parameters + * supported + */ + if (args->nparams == 0) { + ret->nparams = nparams; + goto success; + } + + if (remoteSerializeTypedParameters(params, nparams, + &ret->params.params_val, + &ret->params.params_len, + flags) < 0) + goto cleanup; + +success: + rv = 0; + +cleanup: + if (rv < 0) + virNetMessageSaveError(rerr); + if (dom) + virDomainFree(dom); + VIR_FREE(params); + return rv; +} + +static int remoteDispatchDomainGetBlkioParameters(virNetServerPtr server ATTRIBUTE_UNUSED, virNetServerClientPtr client ATTRIBUTE_UNUSED, virNetMessagePtr msg ATTRIBUTE_UNUSED, diff --git a/src/remote/remote_driver.c b/src/remote/remote_driver.c index b74b9d0..cd3da53 100644 --- a/src/remote/remote_driver.c +++ b/src/remote/remote_driver.c @@ -1538,6 +1538,54 @@ done: } static int +remoteDomainGetNumaParameters (virDomainPtr domain, + virTypedParameterPtr params, int *nparams, + unsigned int flags) +{ + int rv = -1; + remote_domain_get_numa_parameters_args args; + remote_domain_get_numa_parameters_ret ret; + struct private_data *priv = domain->conn->privateData; + + remoteDriverLock(priv); + + make_nonnull_domain (&args.dom, domain); + args.nparams = *nparams; + args.flags = flags; + + memset (&ret, 0, sizeof ret); + if (call (domain->conn, priv, 0, REMOTE_PROC_DOMAIN_GET_NUMA_PARAMETERS, + (xdrproc_t) xdr_remote_domain_get_numa_parameters_args, (char *) &args, + (xdrproc_t) xdr_remote_domain_get_numa_parameters_ret, (char *) &ret) == -1) + goto done; + + /* Handle the case when the caller does not know the number of parameters + * and is asking for the number of parameters supported + */ + if (*nparams == 0) { + *nparams = ret.nparams; + rv = 0; + goto cleanup; + } + + if (remoteDeserializeTypedParameters(ret.params.params_val, + ret.params.params_len, + REMOTE_DOMAIN_NUMA_PARAMETERS_MAX, + params, + nparams) < 0) + goto cleanup; + + rv = 0; + +cleanup: + xdr_free ((xdrproc_t) xdr_remote_domain_get_numa_parameters_ret, + (char *) &ret); +done: + remoteDriverUnlock(priv); + return rv; +} + +static int remoteDomainGetBlkioParameters (virDomainPtr domain, virTypedParameterPtr params, int *nparams, unsigned int flags) @@ -4637,6 +4685,8 @@ static virDriver remote_driver = { .nodeSuspendForDuration = remoteNodeSuspendForDuration, /* 0.9.8 */ .domainSetBlockIoTune = remoteDomainSetBlockIoTune, /* 0.9.8 */ .domainGetBlockIoTune = remoteDomainGetBlockIoTune, /* 0.9.8 */ + .domainSetNumaParameters = remoteDomainSetNumaParameters, /* 0.9.9 */ + .domainGetNumaParameters = remoteDomainGetNumaParameters, /* 0.9.9 */ }; static virNetworkDriver network_driver = { diff --git a/src/remote/remote_protocol.x b/src/remote/remote_protocol.x index 509a20b..4843317 100644 --- a/src/remote/remote_protocol.x +++ b/src/remote/remote_protocol.x @@ -128,6 +128,9 @@ const REMOTE_DOMAIN_MEMORY_PARAMETERS_MAX = 16; /* Upper limit on list of blockio tuning parameters. */ const REMOTE_DOMAIN_BLOCK_IO_TUNE_PARAMETERS_MAX = 16; +/* Upper limit on list of numa parameters. */ +const REMOTE_DOMAIN_NUMA_PARAMETERS_MAX = 16; + /* Upper limit on list of node cpu stats. */ const REMOTE_NODE_CPU_STATS_MAX = 16; @@ -547,6 +550,23 @@ struct remote_domain_block_resize_args { unsigned int flags; }; +struct remote_domain_set_numa_parameters_args { + remote_nonnull_domain dom; + remote_typed_param params<REMOTE_DOMAIN_MEMORY_PARAMETERS_MAX>; + unsigned int flags; +}; + +struct remote_domain_get_numa_parameters_args { + remote_nonnull_domain dom; + int nparams; + unsigned int flags; +}; + +struct remote_domain_get_numa_parameters_ret { + remote_typed_param params<REMOTE_DOMAIN_MEMORY_PARAMETERS_MAX>; + int nparams; +}; + struct remote_domain_block_stats_args { remote_nonnull_domain dom; remote_nonnull_string path; @@ -2605,7 +2625,9 @@ enum remote_procedure { REMOTE_PROC_DOMAIN_BLOCK_RESIZE = 251, /* autogen autogen */ REMOTE_PROC_DOMAIN_SET_BLOCK_IO_TUNE = 252, /* autogen autogen */ - REMOTE_PROC_DOMAIN_GET_BLOCK_IO_TUNE = 253 /* skipgen skipgen */ + REMOTE_PROC_DOMAIN_GET_BLOCK_IO_TUNE = 253, /* skipgen skipgen */ + REMOTE_PROC_DOMAIN_SET_NUMA_PARAMETERS = 254, /* autogen autogen */ + REMOTE_PROC_DOMAIN_GET_NUMA_PARAMETERS = 255 /* skipgen skipgen */ /* * Notice how the entries are grouped in sets of 10 ? diff --git a/src/remote_protocol-structs b/src/remote_protocol-structs index a9d4296..f6d8ff5 100644 --- a/src/remote_protocol-structs +++ b/src/remote_protocol-structs @@ -270,6 +270,26 @@ struct remote_domain_block_resize_args { uint64_t size; u_int flags; }; +struct remote_domain_set_numa_parameters_args { + remote_nonnull_domain dom; + struct { + u_int params_len; + remote_typed_param * params_val; + } params; + u_int flags; +}; +struct remote_domain_get_numa_parameters_args { + remote_nonnull_domain dom; + int nparams; + u_int flags; +}; +struct remote_domain_get_numa_parameters_ret { + struct { + u_int params_len; + remote_typed_param * params_val; + } params; + int nparams; +}; struct remote_domain_block_stats_args { remote_nonnull_domain dom; remote_nonnull_string path; @@ -2044,4 +2064,6 @@ enum remote_procedure { REMOTE_PROC_DOMAIN_BLOCK_RESIZE = 251, REMOTE_PROC_DOMAIN_SET_BLOCK_IO_TUNE = 252, REMOTE_PROC_DOMAIN_GET_BLOCK_IO_TUNE = 253, + REMOTE_PROC_DOMAIN_SET_NUMA_PARAMETERS = 254, + REMOTE_PROC_DOMAIN_GET_NUMA_PARAMETERS = 255, }; -- 1.7.7.4