xref: /openbmc/qemu/hw/core/machine-hmp-cmds.c (revision d177892d)
1 /*
2  * HMP commands related to machines and CPUs
3  *
4  * Copyright IBM, Corp. 2011
5  *
6  * Authors:
7  *  Anthony Liguori   <aliguori@us.ibm.com>
8  *
9  * This work is licensed under the terms of the GNU GPL, version 2.  See
10  * the COPYING file in the top-level directory.
11  *
12  * Contributions after 2012-01-13 are licensed under the terms of the
13  * GNU GPL, version 2 or (at your option) any later version.
14  */
15 
16 #include "qemu/osdep.h"
17 #include "monitor/hmp.h"
18 #include "monitor/monitor.h"
19 #include "qapi/error.h"
20 #include "qapi/qapi-builtin-visit.h"
21 #include "qapi/qapi-commands-machine.h"
22 #include "qapi/qmp/qdict.h"
23 #include "qapi/string-output-visitor.h"
24 #include "qemu/error-report.h"
25 #include "sysemu/numa.h"
26 #include "hw/boards.h"
27 
28 void hmp_info_cpus(Monitor *mon, const QDict *qdict)
29 {
30     CpuInfoFastList *cpu_list, *cpu;
31 
32     cpu_list = qmp_query_cpus_fast(NULL);
33 
34     for (cpu = cpu_list; cpu; cpu = cpu->next) {
35         int active = ' ';
36 
37         if (cpu->value->cpu_index == monitor_get_cpu_index(mon)) {
38             active = '*';
39         }
40 
41         monitor_printf(mon, "%c CPU #%" PRId64 ":", active,
42                        cpu->value->cpu_index);
43         monitor_printf(mon, " thread_id=%" PRId64 "\n", cpu->value->thread_id);
44     }
45 
46     qapi_free_CpuInfoFastList(cpu_list);
47 }
48 
49 void hmp_hotpluggable_cpus(Monitor *mon, const QDict *qdict)
50 {
51     Error *err = NULL;
52     HotpluggableCPUList *l = qmp_query_hotpluggable_cpus(&err);
53     HotpluggableCPUList *saved = l;
54     CpuInstanceProperties *c;
55 
56     if (err != NULL) {
57         hmp_handle_error(mon, err);
58         return;
59     }
60 
61     monitor_printf(mon, "Hotpluggable CPUs:\n");
62     while (l) {
63         monitor_printf(mon, "  type: \"%s\"\n", l->value->type);
64         monitor_printf(mon, "  vcpus_count: \"%" PRIu64 "\"\n",
65                        l->value->vcpus_count);
66         if (l->value->has_qom_path) {
67             monitor_printf(mon, "  qom_path: \"%s\"\n", l->value->qom_path);
68         }
69 
70         c = l->value->props;
71         monitor_printf(mon, "  CPUInstance Properties:\n");
72         if (c->has_node_id) {
73             monitor_printf(mon, "    node-id: \"%" PRIu64 "\"\n", c->node_id);
74         }
75         if (c->has_socket_id) {
76             monitor_printf(mon, "    socket-id: \"%" PRIu64 "\"\n", c->socket_id);
77         }
78         if (c->has_die_id) {
79             monitor_printf(mon, "    die-id: \"%" PRIu64 "\"\n", c->die_id);
80         }
81         if (c->has_core_id) {
82             monitor_printf(mon, "    core-id: \"%" PRIu64 "\"\n", c->core_id);
83         }
84         if (c->has_thread_id) {
85             monitor_printf(mon, "    thread-id: \"%" PRIu64 "\"\n", c->thread_id);
86         }
87 
88         l = l->next;
89     }
90 
91     qapi_free_HotpluggableCPUList(saved);
92 }
93 
94 void hmp_info_memdev(Monitor *mon, const QDict *qdict)
95 {
96     Error *err = NULL;
97     MemdevList *memdev_list = qmp_query_memdev(&err);
98     MemdevList *m = memdev_list;
99     Visitor *v;
100     char *str;
101 
102     while (m) {
103         v = string_output_visitor_new(false, &str);
104         visit_type_uint16List(v, NULL, &m->value->host_nodes, &error_abort);
105         monitor_printf(mon, "memory backend: %s\n", m->value->id);
106         monitor_printf(mon, "  size:  %" PRId64 "\n", m->value->size);
107         monitor_printf(mon, "  merge: %s\n",
108                        m->value->merge ? "true" : "false");
109         monitor_printf(mon, "  dump: %s\n",
110                        m->value->dump ? "true" : "false");
111         monitor_printf(mon, "  prealloc: %s\n",
112                        m->value->prealloc ? "true" : "false");
113         monitor_printf(mon, "  policy: %s\n",
114                        HostMemPolicy_str(m->value->policy));
115         visit_complete(v, &str);
116         monitor_printf(mon, "  host nodes: %s\n", str);
117 
118         g_free(str);
119         visit_free(v);
120         m = m->next;
121     }
122 
123     monitor_printf(mon, "\n");
124 
125     qapi_free_MemdevList(memdev_list);
126     hmp_handle_error(mon, err);
127 }
128 
129 void hmp_info_numa(Monitor *mon, const QDict *qdict)
130 {
131     int i, nb_numa_nodes;
132     NumaNodeMem *node_mem;
133     CpuInfoFastList *cpu_list, *cpu;
134     MachineState *ms = MACHINE(qdev_get_machine());
135 
136     nb_numa_nodes = ms->numa_state ? ms->numa_state->num_nodes : 0;
137     monitor_printf(mon, "%d nodes\n", nb_numa_nodes);
138     if (!nb_numa_nodes) {
139         return;
140     }
141 
142     cpu_list = qmp_query_cpus_fast(&error_abort);
143     node_mem = g_new0(NumaNodeMem, nb_numa_nodes);
144 
145     query_numa_node_mem(node_mem, ms);
146     for (i = 0; i < nb_numa_nodes; i++) {
147         monitor_printf(mon, "node %d cpus:", i);
148         for (cpu = cpu_list; cpu; cpu = cpu->next) {
149             if (cpu->value->has_props && cpu->value->props->has_node_id &&
150                 cpu->value->props->node_id == i) {
151                 monitor_printf(mon, " %" PRIi64, cpu->value->cpu_index);
152             }
153         }
154         monitor_printf(mon, "\n");
155         monitor_printf(mon, "node %d size: %" PRId64 " MB\n", i,
156                        node_mem[i].node_mem >> 20);
157         monitor_printf(mon, "node %d plugged: %" PRId64 " MB\n", i,
158                        node_mem[i].node_plugged_mem >> 20);
159     }
160     qapi_free_CpuInfoFastList(cpu_list);
161     g_free(node_mem);
162 }
163