Rich.
-- Emerging Technologies, Red Hat - http://et.redhat.com/~rjones/ Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SL4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 03798903
Index: qemud/remote.c
===================================================================
RCS file: /data/cvs/libvirt/qemud/remote.c,v
retrieving revision 1.1
diff -u -p -r1.1 remote.c
--- qemud/remote.c 11 Jun 2007 11:47:01 -0000 1.1
+++ qemud/remote.c 22 Jun 2007 11:28:32 -0000
@@ -516,6 +516,165 @@ remoteDispatchGetCapabilities (struct qe
}
static int
+remoteDispatchDomainGetSchedulerType (struct qemud_client *client,
+ remote_message_header *req,
+ remote_domain_get_scheduler_type_args *args,
+ remote_domain_get_scheduler_type_ret *ret)
+{
+ virDomainPtr dom;
+ char *type;
+ int nparams;
+ CHECK_CONN(client);
+
+ dom = get_nonnull_domain (client->conn, args->dom);
+ if (dom == NULL) {
+ remoteDispatchError (client, req, "domain not found");
+ return -2;
+ }
+
+ type = virDomainGetSchedulerType (dom, &nparams);
+ if (type == NULL) return -1;
+
+ ret->type = type;
+ ret->nparams = nparams;
+ return 0;
+}
+
+static int
+remoteDispatchDomainGetSchedulerParameters (struct qemud_client *client,
+ remote_message_header *req,
+ remote_domain_get_scheduler_parameters_args *args,
+ remote_domain_get_scheduler_parameters_ret *ret)
+{
+ virDomainPtr dom;
+ virSchedParameterPtr params;
+ int i, r, nparams;
+ CHECK_CONN(client);
+
+ nparams = args->nparams;
+
+ if (nparams > REMOTE_DOMAIN_SCHEDULER_PARAMETERS_MAX) {
+ remoteDispatchError (client, req, "nparams too large");
+ return -2;
+ }
+ params = malloc (sizeof (virSchedParameter) * nparams);
+ if (params == NULL) {
+ remoteDispatchError (client, req, "out of memory allocating array");
+ return -2;
+ }
+
+ dom = get_nonnull_domain (client->conn, args->dom);
+ if (dom == NULL) {
+ free (params);
+ remoteDispatchError (client, req, "domain not found");
+ return -2;
+ }
+
+ r = virDomainGetSchedulerParameters (dom, params, &nparams);
+ if (r == -1) {
+ free (params);
+ return -1;
+ }
+
+ /* Serialise the scheduler parameters. */
+ ret->params.params_len = nparams;
+ ret->params.params_val = malloc (sizeof (struct remote_sched_param)
+ * nparams);
+ if (ret->params.params_val == NULL) {
+ free (params);
+ remoteDispatchError (client, req,
+ "out of memory allocating return array");
+ return -2;
+ }
+
+ for (i = 0; i < nparams; ++i) {
+ // remoteDispatchClientRequest will free this:
+ ret->params.params_val[i].field = strdup (params[i].field);
+ ret->params.params_val[i].value.type = params[i].type;
+ switch (params[i].type) {
+ case VIR_DOMAIN_SCHED_FIELD_INT:
+ ret->params.params_val[i].value.remote_sched_param_value_u.i = params[i].value.i; break;
+ case VIR_DOMAIN_SCHED_FIELD_UINT:
+ ret->params.params_val[i].value.remote_sched_param_value_u.ui = params[i].value.ui; break;
+ case VIR_DOMAIN_SCHED_FIELD_LLONG:
+ ret->params.params_val[i].value.remote_sched_param_value_u.l = params[i].value.l; break;
+ case VIR_DOMAIN_SCHED_FIELD_ULLONG:
+ ret->params.params_val[i].value.remote_sched_param_value_u.ul = params[i].value.ul; break;
+ case VIR_DOMAIN_SCHED_FIELD_DOUBLE:
+ ret->params.params_val[i].value.remote_sched_param_value_u.d = params[i].value.d; break;
+ case VIR_DOMAIN_SCHED_FIELD_BOOLEAN:
+ ret->params.params_val[i].value.remote_sched_param_value_u.b = params[i].value.b; break;
+ default:
+ free (params);
+ remoteDispatchError (client, req, "unknown type");
+ return -2;
+ }
+ }
+ free (params);
+
+ return 0;
+}
+
+static int
+remoteDispatchDomainSetSchedulerParameters (struct qemud_client *client,
+ remote_message_header *req,
+ remote_domain_set_scheduler_parameters_args *args,
+ void *ret ATTRIBUTE_UNUSED)
+{
+ virDomainPtr dom;
+ int i, r, nparams;
+ virSchedParameterPtr params;
+ CHECK_CONN(client);
+
+ nparams = args->params.params_len;
+
+ if (nparams > REMOTE_DOMAIN_SCHEDULER_PARAMETERS_MAX) {
+ remoteDispatchError (client, req, "nparams too large");
+ return -2;
+ }
+ params = malloc (sizeof (virSchedParameter) * nparams);
+ if (params == NULL) {
+ remoteDispatchError (client, req, "out of memory allocating array");
+ return -2;
+ }
+
+ /* Deserialise parameters. */
+ for (i = 0; i < nparams; ++i) {
+ strncpy (params[i].field, args->params.params_val[i].field,
+ VIR_DOMAIN_SCHED_FIELD_LENGTH);
+ params[i].field[VIR_DOMAIN_SCHED_FIELD_LENGTH-1] = '\0';
+ params[i].type = args->params.params_val[i].value.type;
+ switch (params[i].type) {
+ case VIR_DOMAIN_SCHED_FIELD_INT:
+ params[i].value.i = args->params.params_val[i].value.remote_sched_param_value_u.i; break;
+ case VIR_DOMAIN_SCHED_FIELD_UINT:
+ params[i].value.ui = args->params.params_val[i].value.remote_sched_param_value_u.ui; break;
+ case VIR_DOMAIN_SCHED_FIELD_LLONG:
+ params[i].value.l = args->params.params_val[i].value.remote_sched_param_value_u.l; break;
+ case VIR_DOMAIN_SCHED_FIELD_ULLONG:
+ params[i].value.ul = args->params.params_val[i].value.remote_sched_param_value_u.ul; break;
+ case VIR_DOMAIN_SCHED_FIELD_DOUBLE:
+ params[i].value.d = args->params.params_val[i].value.remote_sched_param_value_u.d; break;
+ case VIR_DOMAIN_SCHED_FIELD_BOOLEAN:
+ params[i].value.b = args->params.params_val[i].value.remote_sched_param_value_u.b; break;
+ }
+ }
+
+ dom = get_nonnull_domain (client->conn, args->dom);
+ if (dom == NULL) {
+ free (params);
+ remoteDispatchError (client, req, "domain not found");
+ return -2;
+ }
+
+ r = virDomainSetSchedulerParameters (dom, params, nparams);
+ free (params);
+ if (r == -1) return -1;
+
+ return 0;
+}
+
+static int
remoteDispatchDomainAttachDevice (struct qemud_client *client,
remote_message_header *req,
remote_domain_attach_device_args *args,
Index: qemud/remote_protocol.x
===================================================================
RCS file: /data/cvs/libvirt/qemud/remote_protocol.x,v
retrieving revision 1.1
diff -u -p -r1.1 remote_protocol.x
--- qemud/remote_protocol.x 11 Jun 2007 11:36:17 -0000 1.1
+++ qemud/remote_protocol.x 22 Jun 2007 11:28:32 -0000
@@ -75,6 +75,9 @@ const REMOTE_CPUMAPS_MAX = 16384;
/* Upper limit on lists of network names. */
const REMOTE_NETWORK_NAME_LIST_MAX = 256;
+/* Upper limit on list of scheduler parameters. */
+const REMOTE_DOMAIN_SCHEDULER_PARAMETERS_MAX = 16;
+
/* UUID. VIR_UUID_BUFLEN definition comes from libvirt.h */
typedef opaque remote_uuid[VIR_UUID_BUFLEN];
@@ -125,6 +128,29 @@ struct remote_vcpu_info {
int cpu;
};
+/* Wire encoding of virDomainSchedParameter.
+ * Note the enum (type) which must remain binary compatible.
+ */
+union remote_sched_param_value switch (int type) {
+ case VIR_DOMAIN_SCHED_FIELD_INT:
+ int i;
+ case VIR_DOMAIN_SCHED_FIELD_UINT:
+ unsigned int ui;
+ case VIR_DOMAIN_SCHED_FIELD_LLONG:
+ hyper l;
+ case VIR_DOMAIN_SCHED_FIELD_ULLONG:
+ unsigned hyper ul;
+ case VIR_DOMAIN_SCHED_FIELD_DOUBLE:
+ double d;
+ case VIR_DOMAIN_SCHED_FIELD_BOOLEAN:
+ int b;
+};
+
+struct remote_sched_param {
+ remote_nonnull_string field;
+ remote_sched_param_value value;
+};
+
/*----- Calls. -----*/
/* For each call we may have a 'remote_CALL_args' and 'remote_CALL_ret'
@@ -178,6 +204,29 @@ struct remote_get_capabilities_ret {
remote_nonnull_string capabilities;
};
+struct remote_domain_get_scheduler_type_args {
+ remote_nonnull_domain dom;
+};
+
+struct remote_domain_get_scheduler_type_ret {
+ remote_nonnull_string type;
+ int nparams;
+};
+
+struct remote_domain_get_scheduler_parameters_args {
+ remote_nonnull_domain dom;
+ int nparams;
+};
+
+struct remote_domain_get_scheduler_parameters_ret {
+ remote_sched_param params<REMOTE_DOMAIN_SCHEDULER_PARAMETERS_MAX>;
+};
+
+struct remote_domain_set_scheduler_parameters_args {
+ remote_nonnull_domain dom;
+ remote_sched_param params<REMOTE_DOMAIN_SCHEDULER_PARAMETERS_MAX>;
+};
+
struct remote_list_domains_args {
int maxids;
};
@@ -553,7 +602,10 @@ enum remote_procedure {
REMOTE_PROC_NUM_OF_NETWORKS = 52,
REMOTE_PROC_DOMAIN_CORE_DUMP = 53,
REMOTE_PROC_DOMAIN_RESTORE = 54,
- REMOTE_PROC_DOMAIN_SAVE = 55
+ REMOTE_PROC_DOMAIN_SAVE = 55,
+ REMOTE_PROC_DOMAIN_GET_SCHEDULER_TYPE = 56,
+ REMOTE_PROC_DOMAIN_GET_SCHEDULER_PARAMETERS = 57,
+ REMOTE_PROC_DOMAIN_SET_SCHEDULER_PARAMETERS = 58
};
/* Custom RPC structure. */
Index: src/remote_internal.c
===================================================================
RCS file: /data/cvs/libvirt/src/remote_internal.c,v
retrieving revision 1.3
diff -u -p -r1.3 remote_internal.c
--- src/remote_internal.c 21 Jun 2007 15:49:09 -0000 1.3
+++ src/remote_internal.c 22 Jun 2007 11:28:34 -0000
@@ -1731,6 +1731,135 @@ remoteDomainSetAutostart (virDomainPtr d
return 0;
}
+static char *
+remoteDomainGetSchedulerType (virDomainPtr domain, int *nparams)
+{
+ remote_domain_get_scheduler_type_args args;
+ remote_domain_get_scheduler_type_ret ret;
+ GET_PRIVATE (domain->conn, NULL);
+
+ make_nonnull_domain (&args.dom, domain);
+
+ memset (&ret, 0, sizeof ret);
+ if (call (domain->conn, priv, 0, REMOTE_PROC_DOMAIN_GET_SCHEDULER_TYPE,
+ (xdrproc_t) xdr_remote_domain_get_scheduler_type_args, (char *) &args,
+ (xdrproc_t) xdr_remote_domain_get_scheduler_type_ret, (char *) &ret) == -1)
+ return NULL;
+
+ if (nparams) *nparams = ret.nparams;
+
+ /* Caller frees this. */
+ return ret.type;
+}
+
+static int
+remoteDomainGetSchedulerParameters (virDomainPtr domain,
+ virSchedParameterPtr params, int *nparams)
+{
+ remote_domain_get_scheduler_parameters_args args;
+ remote_domain_get_scheduler_parameters_ret ret;
+ int i;
+ GET_PRIVATE (domain->conn, -1);
+
+ make_nonnull_domain (&args.dom, domain);
+ args.nparams = *nparams;
+
+ memset (&ret, 0, sizeof ret);
+ if (call (domain->conn, priv, 0, REMOTE_PROC_DOMAIN_GET_SCHEDULER_PARAMETERS,
+ (xdrproc_t) xdr_remote_domain_get_scheduler_parameters_args, (char *) &args,
+ (xdrproc_t) xdr_remote_domain_get_scheduler_parameters_ret, (char *) &ret) == -1)
+ return -1;
+
+ /* Check the length of the returned list carefully. */
+ if (ret.params.params_len > REMOTE_DOMAIN_SCHEDULER_PARAMETERS_MAX ||
+ ret.params.params_len > *nparams) {
+ xdr_free ((xdrproc_t) xdr_remote_domain_get_scheduler_parameters_ret, (char *) &ret);
+ error (domain->conn, VIR_ERR_RPC, "remoteDomainGetSchedulerParameters: returned number of parameters exceeds limit");
+ return -1;
+ }
+ *nparams = ret.params.params_len;
+
+ /* Deserialise the result. */
+ for (i = 0; i < *nparams; ++i) {
+ strncpy (params[i].field, ret.params.params_val[i].field,
+ VIR_DOMAIN_SCHED_FIELD_LENGTH);
+ params[i].field[VIR_DOMAIN_SCHED_FIELD_LENGTH-1] = '\0';
+ params[i].type = ret.params.params_val[i].value.type;
+ switch (params[i].type) {
+ case VIR_DOMAIN_SCHED_FIELD_INT:
+ params[i].value.i = ret.params.params_val[i].value.remote_sched_param_value_u.i; break;
+ case VIR_DOMAIN_SCHED_FIELD_UINT:
+ params[i].value.ui = ret.params.params_val[i].value.remote_sched_param_value_u.ui; break;
+ case VIR_DOMAIN_SCHED_FIELD_LLONG:
+ params[i].value.l = ret.params.params_val[i].value.remote_sched_param_value_u.l; break;
+ case VIR_DOMAIN_SCHED_FIELD_ULLONG:
+ params[i].value.ul = ret.params.params_val[i].value.remote_sched_param_value_u.ul; break;
+ case VIR_DOMAIN_SCHED_FIELD_DOUBLE:
+ params[i].value.d = ret.params.params_val[i].value.remote_sched_param_value_u.d; break;
+ case VIR_DOMAIN_SCHED_FIELD_BOOLEAN:
+ params[i].value.b = ret.params.params_val[i].value.remote_sched_param_value_u.b; break;
+ default:
+ xdr_free ((xdrproc_t) xdr_remote_domain_get_scheduler_parameters_ret, (char *) &ret);
+ error (domain->conn, VIR_ERR_RPC, "remoteDomainGetSchedulerParameters: unknown parameter type");
+ return -1;
+ }
+ }
+
+ xdr_free ((xdrproc_t) xdr_remote_domain_get_scheduler_parameters_ret, (char *) &ret);
+ return 0;
+}
+
+static int
+remoteDomainSetSchedulerParameters (virDomainPtr domain,
+ virSchedParameterPtr params, int nparams)
+{
+ remote_domain_set_scheduler_parameters_args args;
+ int i;
+ GET_PRIVATE (domain->conn, -1);
+
+ make_nonnull_domain (&args.dom, domain);
+
+ /* Serialise the scheduler parameters. */
+ args.params.params_len = nparams;
+ args.params.params_val = malloc (sizeof (struct remote_sched_param)
+ * nparams);
+ if (args.params.params_val == NULL) {
+ error (domain->conn, VIR_ERR_RPC, "out of memory allocating array");
+ return -1;
+ }
+
+ for (i = 0; i < nparams; ++i) {
+ // call() will free this:
+ args.params.params_val[i].field = strdup (params[i].field);
+ args.params.params_val[i].value.type = params[i].type;
+ switch (params[i].type) {
+ case VIR_DOMAIN_SCHED_FIELD_INT:
+ args.params.params_val[i].value.remote_sched_param_value_u.i = params[i].value.i; break;
+ case VIR_DOMAIN_SCHED_FIELD_UINT:
+ args.params.params_val[i].value.remote_sched_param_value_u.ui = params[i].value.ui; break;
+ case VIR_DOMAIN_SCHED_FIELD_LLONG:
+ args.params.params_val[i].value.remote_sched_param_value_u.l = params[i].value.l; break;
+ case VIR_DOMAIN_SCHED_FIELD_ULLONG:
+ args.params.params_val[i].value.remote_sched_param_value_u.ul = params[i].value.ul; break;
+ case VIR_DOMAIN_SCHED_FIELD_DOUBLE:
+ args.params.params_val[i].value.remote_sched_param_value_u.d = params[i].value.d; break;
+ case VIR_DOMAIN_SCHED_FIELD_BOOLEAN:
+ args.params.params_val[i].value.remote_sched_param_value_u.b = params[i].value.b; break;
+ default:
+ free (args.params.params_val);
+ error (domain->conn, VIR_ERR_RPC, "unknown parameter type");
+ return -1;
+ }
+ }
+
+ if (call (domain->conn, priv, 0, REMOTE_PROC_DOMAIN_SET_SCHEDULER_PARAMETERS,
+ (xdrproc_t) xdr_remote_domain_set_scheduler_parameters_args, (char *) &args,
+ (xdrproc_t) xdr_void, (char *) NULL) == -1)
+ return -1;
+
+ return 0;
+}
+
/*----------------------------------------------------------------------*/
static int
@@ -2499,6 +2628,9 @@ static virDriver driver = {
.domainDetachDevice = remoteDomainDetachDevice,
.domainGetAutostart = remoteDomainGetAutostart,
.domainSetAutostart = remoteDomainSetAutostart,
+ .domainGetSchedulerType = remoteDomainGetSchedulerType,
+ .domainGetSchedulerParameters = remoteDomainGetSchedulerParameters,
+ .domainSetSchedulerParameters = remoteDomainSetSchedulerParameters,
};
static virNetworkDriver network_driver = {
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