xemu/hw/core/machine-hmp-cmds.c
Markus Armbruster 1f5842487a qapi: Only input visitors can actually fail
The previous few commits have made this more obvious, and removed the
one exception.  Time to clarify the documentation, and drop dead error
checking.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20200424084338.26803-13-armbru@redhat.com>
2020-04-30 07:26:40 +02:00

175 lines
5.2 KiB
C

/*
* HMP commands related to machines and CPUs
*
* Copyright IBM, Corp. 2011
*
* Authors:
* Anthony Liguori <aliguori@us.ibm.com>
*
* This work is licensed under the terms of the GNU GPL, version 2. See
* the COPYING file in the top-level directory.
*
* Contributions after 2012-01-13 are licensed under the terms of the
* GNU GPL, version 2 or (at your option) any later version.
*/
#include "qemu/osdep.h"
#include "monitor/hmp.h"
#include "monitor/monitor.h"
#include "qapi/error.h"
#include "qapi/qapi-builtin-visit.h"
#include "qapi/qapi-commands-machine.h"
#include "qapi/qmp/qdict.h"
#include "qapi/string-output-visitor.h"
#include "qemu/error-report.h"
#include "sysemu/numa.h"
#include "hw/boards.h"
void hmp_info_cpus(Monitor *mon, const QDict *qdict)
{
CpuInfoFastList *cpu_list, *cpu;
cpu_list = qmp_query_cpus_fast(NULL);
for (cpu = cpu_list; cpu; cpu = cpu->next) {
int active = ' ';
if (cpu->value->cpu_index == monitor_get_cpu_index()) {
active = '*';
}
monitor_printf(mon, "%c CPU #%" PRId64 ":", active,
cpu->value->cpu_index);
monitor_printf(mon, " thread_id=%" PRId64 "\n", cpu->value->thread_id);
}
qapi_free_CpuInfoFastList(cpu_list);
}
void hmp_cpu_add(Monitor *mon, const QDict *qdict)
{
int cpuid;
Error *err = NULL;
error_report("cpu_add is deprecated, please use device_add instead");
cpuid = qdict_get_int(qdict, "id");
qmp_cpu_add(cpuid, &err);
hmp_handle_error(mon, err);
}
void hmp_hotpluggable_cpus(Monitor *mon, const QDict *qdict)
{
Error *err = NULL;
HotpluggableCPUList *l = qmp_query_hotpluggable_cpus(&err);
HotpluggableCPUList *saved = l;
CpuInstanceProperties *c;
if (err != NULL) {
hmp_handle_error(mon, err);
return;
}
monitor_printf(mon, "Hotpluggable CPUs:\n");
while (l) {
monitor_printf(mon, " type: \"%s\"\n", l->value->type);
monitor_printf(mon, " vcpus_count: \"%" PRIu64 "\"\n",
l->value->vcpus_count);
if (l->value->has_qom_path) {
monitor_printf(mon, " qom_path: \"%s\"\n", l->value->qom_path);
}
c = l->value->props;
monitor_printf(mon, " CPUInstance Properties:\n");
if (c->has_node_id) {
monitor_printf(mon, " node-id: \"%" PRIu64 "\"\n", c->node_id);
}
if (c->has_socket_id) {
monitor_printf(mon, " socket-id: \"%" PRIu64 "\"\n", c->socket_id);
}
if (c->has_die_id) {
monitor_printf(mon, " die-id: \"%" PRIu64 "\"\n", c->die_id);
}
if (c->has_core_id) {
monitor_printf(mon, " core-id: \"%" PRIu64 "\"\n", c->core_id);
}
if (c->has_thread_id) {
monitor_printf(mon, " thread-id: \"%" PRIu64 "\"\n", c->thread_id);
}
l = l->next;
}
qapi_free_HotpluggableCPUList(saved);
}
void hmp_info_memdev(Monitor *mon, const QDict *qdict)
{
Error *err = NULL;
MemdevList *memdev_list = qmp_query_memdev(&err);
MemdevList *m = memdev_list;
Visitor *v;
char *str;
while (m) {
v = string_output_visitor_new(false, &str);
visit_type_uint16List(v, NULL, &m->value->host_nodes, &error_abort);
monitor_printf(mon, "memory backend: %s\n", m->value->id);
monitor_printf(mon, " size: %" PRId64 "\n", m->value->size);
monitor_printf(mon, " merge: %s\n",
m->value->merge ? "true" : "false");
monitor_printf(mon, " dump: %s\n",
m->value->dump ? "true" : "false");
monitor_printf(mon, " prealloc: %s\n",
m->value->prealloc ? "true" : "false");
monitor_printf(mon, " policy: %s\n",
HostMemPolicy_str(m->value->policy));
visit_complete(v, &str);
monitor_printf(mon, " host nodes: %s\n", str);
g_free(str);
visit_free(v);
m = m->next;
}
monitor_printf(mon, "\n");
qapi_free_MemdevList(memdev_list);
hmp_handle_error(mon, err);
}
void hmp_info_numa(Monitor *mon, const QDict *qdict)
{
int i, nb_numa_nodes;
NumaNodeMem *node_mem;
CpuInfoList *cpu_list, *cpu;
MachineState *ms = MACHINE(qdev_get_machine());
nb_numa_nodes = ms->numa_state ? ms->numa_state->num_nodes : 0;
monitor_printf(mon, "%d nodes\n", nb_numa_nodes);
if (!nb_numa_nodes) {
return;
}
cpu_list = qmp_query_cpus(&error_abort);
node_mem = g_new0(NumaNodeMem, nb_numa_nodes);
query_numa_node_mem(node_mem, ms);
for (i = 0; i < nb_numa_nodes; i++) {
monitor_printf(mon, "node %d cpus:", i);
for (cpu = cpu_list; cpu; cpu = cpu->next) {
if (cpu->value->has_props && cpu->value->props->has_node_id &&
cpu->value->props->node_id == i) {
monitor_printf(mon, " %" PRIi64, cpu->value->CPU);
}
}
monitor_printf(mon, "\n");
monitor_printf(mon, "node %d size: %" PRId64 " MB\n", i,
node_mem[i].node_mem >> 20);
monitor_printf(mon, "node %d plugged: %" PRId64 " MB\n", i,
node_mem[i].node_plugged_mem >> 20);
}
qapi_free_CpuInfoList(cpu_list);
g_free(node_mem);
}