#include <sys/socket.h>
#include <sys/select.h>
-#include <rte_config.h>
#include <rte_malloc.h>
#include <rte_memory.h>
#include <rte_mempool.h>
return num_channels_changed;
}
+void
+get_all_vm(int *num_vm, int *num_vcpu)
+{
+
+ virNodeInfo node_info;
+ virDomainPtr *domptr;
+ uint64_t mask;
+ int i, ii, numVcpus[MAX_VCPUS], cpu, n_vcpus;
+ unsigned int jj;
+ const char *vm_name;
+ unsigned int domain_flags = VIR_CONNECT_LIST_DOMAINS_RUNNING |
+ VIR_CONNECT_LIST_DOMAINS_PERSISTENT;
+ unsigned int domain_flag = VIR_DOMAIN_VCPU_CONFIG;
+
+
+ memset(global_cpumaps, 0, CHANNEL_CMDS_MAX_CPUS*global_maplen);
+ if (virNodeGetInfo(global_vir_conn_ptr, &node_info)) {
+ RTE_LOG(ERR, CHANNEL_MANAGER, "Unable to retrieve node Info\n");
+ return;
+ }
+
+ /* Returns number of pcpus */
+ global_n_host_cpus = (unsigned int)node_info.cpus;
+
+ /* Returns number of active domains */
+ *num_vm = virConnectListAllDomains(global_vir_conn_ptr, &domptr,
+ domain_flags);
+ if (*num_vm <= 0) {
+ RTE_LOG(ERR, CHANNEL_MANAGER, "No Active Domains Running\n");
+ return;
+ }
+
+ for (i = 0; i < *num_vm; i++) {
+
+ /* Get Domain Names */
+ vm_name = virDomainGetName(domptr[i]);
+ lvm_info[i].vm_name = vm_name;
+
+ /* Get Number of Vcpus */
+ numVcpus[i] = virDomainGetVcpusFlags(domptr[i], domain_flag);
+
+ /* Get Number of VCpus & VcpuPinInfo */
+ n_vcpus = virDomainGetVcpuPinInfo(domptr[i],
+ numVcpus[i], global_cpumaps,
+ global_maplen, domain_flag);
+
+ if ((int)n_vcpus > 0) {
+ *num_vcpu = n_vcpus;
+ lvm_info[i].num_cpus = n_vcpus;
+ }
+
+ /* Save pcpu in use by libvirt VMs */
+ for (ii = 0; ii < n_vcpus; ii++) {
+ mask = 0;
+ for (jj = 0; jj < global_n_host_cpus; jj++) {
+ if (VIR_CPU_USABLE(global_cpumaps,
+ global_maplen, ii, jj) > 0) {
+ mask |= 1ULL << jj;
+ }
+ }
+ ITERATIVE_BITMASK_CHECK_64(mask, cpu) {
+ lvm_info[i].pcpus[ii] = cpu;
+ }
+ }
+ }
+}
+
int
get_info_vm(const char *vm_name, struct vm_info *info)
{
return -1;
}
strncpy(new_domain->name, vm_name, sizeof(new_domain->name));
+ new_domain->name[sizeof(new_domain->name) - 1] = '\0';
new_domain->channel_mask = 0;
new_domain->num_channels = 0;
int
channel_manager_init(const char *path)
{
- int n_cpus;
+ virNodeInfo info;
LIST_INIT(&vm_list_head);
if (connect_hypervisor(path) < 0) {
goto error;
}
- n_cpus = virNodeGetCPUMap(global_vir_conn_ptr, NULL, NULL, 0);
- if (n_cpus <= 0) {
- RTE_LOG(ERR, CHANNEL_MANAGER, "Unable to get the number of Host "
- "CPUs\n");
+ if (virNodeGetInfo(global_vir_conn_ptr, &info)) {
+ RTE_LOG(ERR, CHANNEL_MANAGER, "Unable to retrieve node Info\n");
goto error;
}
- global_n_host_cpus = (unsigned)n_cpus;
- if (global_n_host_cpus > CHANNEL_CMDS_MAX_CPUS) {
- RTE_LOG(ERR, CHANNEL_MANAGER, "The number of host CPUs(%u) exceeds the "
- "maximum of %u\n", global_n_host_cpus, CHANNEL_CMDS_MAX_CPUS);
- goto error;
+ global_n_host_cpus = (unsigned)info.cpus;
+ if (global_n_host_cpus > CHANNEL_CMDS_MAX_CPUS) {
+ RTE_LOG(WARNING, CHANNEL_MANAGER, "The number of host CPUs(%u) exceeds the "
+ "maximum of %u. No cores over %u should be used.\n",
+ global_n_host_cpus, CHANNEL_CMDS_MAX_CPUS,
+ CHANNEL_CMDS_MAX_CPUS - 1);
+ global_n_host_cpus = CHANNEL_CMDS_MAX_CPUS;
}
return 0;
rte_free(vm_info);
}
- if (global_cpumaps != NULL)
- rte_free(global_cpumaps);
- if (global_vircpuinfo != NULL)
- rte_free(global_vircpuinfo);
+ rte_free(global_cpumaps);
+ rte_free(global_vircpuinfo);
disconnect_hypervisor();
}