"query-dimm-info" and "info dimm" will give current state of all dimms in the system e.g.
dimm0: on dimm1: off dimm2: off dimm3: on etc.
Signed-off-by: Vasilis Liaskovitis vasilis.liaskovitis@profitbricks.com --- hmp-commands.hx | 2 ++ hmp.c | 17 +++++++++++++++++ hmp.h | 1 + hw/dimm.c | 43 +++++++++++++++++++++++++++++++++++++++++++ monitor.c | 7 +++++++ qapi-schema.json | 26 ++++++++++++++++++++++++++ 6 files changed, 96 insertions(+), 0 deletions(-)
diff --git a/hmp-commands.hx b/hmp-commands.hx index 3fbd975..65d799e 100644 --- a/hmp-commands.hx +++ b/hmp-commands.hx @@ -1572,6 +1572,8 @@ show qdev device model list show roms @item info memory-total show memory-total +@item info dimm +show dimm @end table ETEXI
diff --git a/hmp.c b/hmp.c index fb39b0d..f8456fd 100644 --- a/hmp.c +++ b/hmp.c @@ -635,6 +635,23 @@ void hmp_info_memory_total(Monitor *mon) monitor_printf(mon, "MemTotal: %lu\n", ram_total); }
+void hmp_info_dimm(Monitor *mon) +{ + DimmInfoList *info; + DimmInfoList *item; + DimmInfo *dimm; + + info = qmp_query_dimm_info(NULL); + for (item = info; item; item = item->next) { + dimm = item->value; + monitor_printf(mon, "dimm %s : %s\n", dimm->dimm, + dimm->state ? "on" : "off"); + dimm->dimm = NULL; + } + + qapi_free_DimmInfoList(info); +} + void hmp_quit(Monitor *mon, const QDict *qdict) { monitor_suspend(mon); diff --git a/hmp.h b/hmp.h index 25a3a70..74ac061 100644 --- a/hmp.h +++ b/hmp.h @@ -37,6 +37,7 @@ void hmp_info_balloon(Monitor *mon); void hmp_info_pci(Monitor *mon); void hmp_info_block_jobs(Monitor *mon); void hmp_info_memory_total(Monitor *mon); +void hmp_info_dimm(Monitor *mon); void hmp_quit(Monitor *mon, const QDict *qdict); void hmp_stop(Monitor *mon, const QDict *qdict); void hmp_system_reset(Monitor *mon, const QDict *qdict); diff --git a/hw/dimm.c b/hw/dimm.c index f181e54..e79f23d 100644 --- a/hw/dimm.c +++ b/hw/dimm.c @@ -174,6 +174,18 @@ static DimmConfig *dimmcfg_find_from_name(DimmBus *bus, const char *name) return NULL; }
+static DimmDevice *dimm_find_from_name(DimmBus *bus, const char *name) +{ + DimmDevice *slot; + + QTAILQ_FOREACH(slot, &bus->dimmlist, nextdimm) { + if (!strcmp(slot->qdev.id, name)) { + return slot; + } + } + return NULL; +} + void dimm_setup_fwcfg_layout(uint64_t *fw_cfg_slots) { DimmConfig *slot; @@ -203,6 +215,37 @@ uint64_t get_hp_memory_total(void) return info; }
+DimmInfoList *qmp_query_dimm_info(Error **errp) +{ + DimmBus *bus; + DimmConfig *slot; + DimmInfoList *head = NULL, *info, *cur_item = NULL; + + QLIST_FOREACH(bus, &memory_buses, next) { + QTAILQ_FOREACH(slot, &bus->dimmconfig_list, nextdimmcfg) { + + info = g_malloc0(sizeof(*info)); + info->value = g_malloc0(sizeof(*info->value)); + info->value->dimm = g_malloc0(sizeof(char) * 32); + strcpy(info->value->dimm, slot->name); + if (dimm_find_from_name(bus, slot->name)) { + info->value->state = 1; + } else { + info->value->state = 0; + } + /* XXX: waiting for the qapi to support GSList */ + if (!cur_item) { + head = cur_item = info; + } else { + cur_item->next = info; + cur_item = info; + } + } + } + + return head; +} + static int dimm_init(DeviceState *s) { DimmBus *bus = DIMM_BUS(qdev_get_parent_bus(s)); diff --git a/monitor.c b/monitor.c index 6e87d0d..de1dcf1 100644 --- a/monitor.c +++ b/monitor.c @@ -2743,6 +2743,13 @@ static mon_cmd_t info_cmds[] = { .mhandler.info = do_trace_print_events, }, { + .name = "dimm", + .args_type = "", + .params = "", + .help = "show active and non active dimms", + .mhandler.info = hmp_info_dimm, + }, + { .name = NULL, }, }; diff --git a/qapi-schema.json b/qapi-schema.json index 33f88d6..5a20577 100644 --- a/qapi-schema.json +++ b/qapi-schema.json @@ -2914,6 +2914,32 @@ { 'command': 'query-memory-total', 'returns': 'int' }
## +# @DimmInfo: +# +# Information about status of a memory hotplug command +# +# @dimm: the Dimm associated with the result +# +# @result: the result of the hotplug command +# +# Since: 1.4 +# +## +{ 'type': 'DimmInfo', + 'data': {'dimm': 'str', 'state': 'bool'} } + +## +# @query-dimm-info: +# +# Returns total memory in bytes, including hotplugged dimms +# +# Returns: int +# +# Since: 1.4 +## +{ 'command': 'query-dimm-info', 'returns': ['DimmInfo'] } + +## # @QKeyCode: # # An enumeration of key name.