introduces io throttling hmp interfaces for the fsdev devices
Signed-off-by: xiezhide <xiezh...@huawei.com>
---
hmp-commands-info.hx | 15 ++++++++++
hmp-commands.hx | 15 ++++++++++
hmp.c | 83 +++++++++++++++++++++++++++++++++++++++++++++++-----
hmp.h | 4 +++
qapi/tlimits.json | 2 +-
5 files changed, 110 insertions(+), 9 deletions(-)
diff --git a/hmp-commands-info.hx b/hmp-commands-info.hx
index cbee8b9..eaf0ff5 100644
--- a/hmp-commands-info.hx
+++ b/hmp-commands-info.hx
@@ -100,6 +100,21 @@ STEXI
Show progress of ongoing block device operations.
ETEXI
+#if defined(CONFIG_VIRTFS)
+ {
+ .name = "fsdev_iothrottle",
+ .args_type = "",
+ .params = "",
+ .help = "show fsdev iothrottle information",
+ .cmd = hmp_info_fsdev_iothrottle,
+ },
+#endif
+STEXI
+@item info fsdev_iothrottle
+@findex fsdev_iothrottle
+Show fsdev device throttle info.
+ETEXI
+
{
.name = "registers",
.args_type = "cpustate_all:-a",
diff --git a/hmp-commands.hx b/hmp-commands.hx
index db0c681..40ca7fe 100644
--- a/hmp-commands.hx
+++ b/hmp-commands.hx
@@ -1716,6 +1716,21 @@ Change I/O throttle limits for a block drive to
@var{bps} @var{bps_rd} @var{bps_
@var{device} can be a block device name, a qdev ID or a QOM path.
ETEXI
+#if defined(CONFIG_VIRTFS)
+ {
+ .name = "fsdev_set_io_throttle",
+ .args_type =
"device:B,bps:l,bps_rd:l,bps_wr:l,iops:l,iops_rd:l,iops_wr:l",
+ .params = "device bps bps_rd bps_wr iops iops_rd iops_wr",
+ .help = "change I/O throttle limits for a fs devices",
+ .cmd = hmp_fsdev_set_io_throttle,
+ },
+#endif
+STEXI
+@item fsdev_set_io_throttle @var{device} @var{bps} @var{bps_rd} @var{bps_wr}
@var{iops} @var{iops_rd} @var{iops_wr}
+@findex fsdev_set_io_throttle
+Change I/O throttle limits for a fs devices to @var{bps} @var{bps_rd}
@var{bps_wr} @var{iops} @var{iops_rd} @var{iops_wr}
+ETEXI
+
{
.name = "set_password",
.args_type = "protocol:s,password:s,connected:s?",
diff --git a/hmp.c b/hmp.c
index 7828f93..4cc4146 100644
--- a/hmp.c
+++ b/hmp.c
@@ -38,6 +38,7 @@
#include "qapi/qapi-commands-run-state.h"
#include "qapi/qapi-commands-tpm.h"
#include "qapi/qapi-commands-ui.h"
+#include "qapi/qapi-commands-fsdev.h"
#include "qapi/qmp/qdict.h"
#include "qapi/qmp/qerror.h"
#include "qapi/string-input-visitor.h"
@@ -1886,18 +1887,23 @@ void hmp_change(Monitor *mon, const QDict *qdict)
hmp_handle_error(mon, &err);
}
+static void hmp_initialize_throttle_limits(ThrottleLimits *iot,
+ const QDict *qdict)
+{
+ iot->bps = qdict_get_int(qdict, "bps");
+ iot->bps_rd = qdict_get_int(qdict, "bps_rd");
+ iot->bps_wr = qdict_get_int(qdict, "bps_wr");
+ iot->iops = qdict_get_int(qdict, "iops");
+ iot->iops_rd = qdict_get_int(qdict, "iops_rd");
+ iot->iops_wr = qdict_get_int(qdict, "iops_wr");
+}
+
void hmp_block_set_io_throttle(Monitor *mon, const QDict *qdict)
{
Error *err = NULL;
+ ThrottleLimits *tlimits;
char *device = (char *) qdict_get_str(qdict, "device");
- BlockIOThrottle throttle = {
- .bps = qdict_get_int(qdict, "bps"),
- .bps_rd = qdict_get_int(qdict, "bps_rd"),
- .bps_wr = qdict_get_int(qdict, "bps_wr"),
- .iops = qdict_get_int(qdict, "iops"),
- .iops_rd = qdict_get_int(qdict, "iops_rd"),
- .iops_wr = qdict_get_int(qdict, "iops_wr"),
- };
+ BlockIOThrottle throttle = {0};
/* qmp_block_set_io_throttle has separate parameters for the
* (deprecated) block device name and the qdev ID but the HMP
@@ -1910,10 +1916,71 @@ void hmp_block_set_io_throttle(Monitor *mon, const
QDict *qdict)
throttle.id = device;
}
+ tlimits = qapi_BlockIOThrottle_base(&throttle);
+ hmp_initialize_throttle_limits(tlimits, qdict);
qmp_block_set_io_throttle(&throttle, &err);
hmp_handle_error(mon, &err);
}
+#ifdef CONFIG_VIRTFS
+void hmp_fsdev_set_io_throttle(Monitor *mon, const QDict *qdict)
+{
+ Error *err = NULL;
+ ThrottleLimits *tlimits;
+ FsdevIOThrottle throttle = {
+ .has_id = true,
+ .id = (char *) qdict_get_str(qdict, "device"),
+ };
+
+ tlimits = qapi_FsdevIOThrottle_base(&throttle);
+ hmp_initialize_throttle_limits(tlimits, qdict);
+ qmp_fsdev_set_io_throttle(&throttle, &err);
+ hmp_handle_error(mon, &err);
+}
+
+static void print_fsdev_throttle_config(Monitor *mon, FsdevIOThrottle *fscfg)
+{
+ monitor_printf(mon, "%s", fscfg->id);
+ monitor_printf(mon, " I/O throttling:"
+ " bps=%" PRId64
+ " bps_rd=%" PRId64 " bps_wr=%" PRId64
+ " bps_max=%" PRId64
+ " bps_rd_max=%" PRId64
+ " bps_wr_max=%" PRId64
+ " iops=%" PRId64 " iops_rd=%" PRId64
+ " iops_wr=%" PRId64
+ " iops_max=%" PRId64
+ " iops_rd_max=%" PRId64
+ " iops_wr_max=%" PRId64
+ " iops_size=%" PRId64
+ "\n",
+ fscfg->bps,
+ fscfg->bps_rd,
+ fscfg->bps_wr,
+ fscfg->bps_max,
+ fscfg->bps_rd_max,
+ fscfg->bps_wr_max,
+ fscfg->iops,
+ fscfg->iops_rd,
+ fscfg->iops_wr,
+ fscfg->iops_max,
+ fscfg->iops_rd_max,
+ fscfg->iops_wr_max,
+ fscfg->iops_size);
+}
+
+void hmp_info_fsdev_iothrottle(Monitor *mon, const QDict *qdict)
+{
+ FsdevIOThrottleList *fsdev_list, *info;
+ fsdev_list = qmp_query_fsdev_io_throttle(NULL);
+
+ for (info = fsdev_list; info; info = info->next) {
+ print_fsdev_throttle_config(mon, info->value);
+ }
+ qapi_free_FsdevIOThrottleList(fsdev_list);
+}
+#endif
+
void hmp_block_stream(Monitor *mon, const QDict *qdict)
{
Error *error = NULL;
diff --git a/hmp.h b/hmp.h
index 5f1addc..9330e11 100644
--- a/hmp.h
+++ b/hmp.h
@@ -91,6 +91,10 @@ void hmp_block_job_cancel(Monitor *mon, const QDict *qdict);
void hmp_block_job_pause(Monitor *mon, const QDict *qdict);
void hmp_block_job_resume(Monitor *mon, const QDict *qdict);
void hmp_block_job_complete(Monitor *mon, const QDict *qdict);
+#ifdef CONFIG_VIRTFS
+void hmp_fsdev_set_io_throttle(Monitor *mon, const QDict *qdict);
+void hmp_info_fsdev_iothrottle(Monitor *mon, const QDict *qdict);
+#endif
void hmp_migrate(Monitor *mon, const QDict *qdict);
void hmp_device_add(Monitor *mon, const QDict *qdict);
void hmp_device_del(Monitor *mon, const QDict *qdict);
diff --git a/qapi/tlimits.json b/qapi/tlimits.json
index 6bcbaf6..76b13c5 100644
--- a/qapi/tlimits.json
+++ b/qapi/tlimits.json
@@ -74,7 +74,7 @@
#
# @iops_size: an I/O size in bytes (Since 1.7)
#
-# Since: 4.0
+# Since: 2.11
#
##
{ 'struct': 'ThrottleLimits',
--
2.7.4
