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-rw-r--r--blockdev.c47
-rw-r--r--blockdev.h2
-rw-r--r--hmp-commands.hx3
-rw-r--r--hmp.c14
-rw-r--r--hmp.h1
-rw-r--r--qapi-schema.json29
-rw-r--r--qmp-commands.hx5
7 files changed, 60 insertions, 41 deletions
diff --git a/blockdev.c b/blockdev.c
index 8df78ce..5d16137 100644
--- a/blockdev.c
+++ b/blockdev.c
@@ -775,46 +775,29 @@ void qmp_change_blockdev(const char *device, const char *filename,
}
/* throttling disk I/O limits */
-int do_block_set_io_throttle(Monitor *mon,
- const QDict *qdict, QObject **ret_data)
+void qmp_block_set_io_throttle(const char *device, int64_t bps, int64_t bps_rd,
+ int64_t bps_wr, int64_t iops, int64_t iops_rd,
+ int64_t iops_wr, Error **errp)
{
BlockIOLimit io_limits;
- const char *devname = qdict_get_str(qdict, "device");
BlockDriverState *bs;
- io_limits.bps[BLOCK_IO_LIMIT_TOTAL]
- = qdict_get_try_int(qdict, "bps", -1);
- io_limits.bps[BLOCK_IO_LIMIT_READ]
- = qdict_get_try_int(qdict, "bps_rd", -1);
- io_limits.bps[BLOCK_IO_LIMIT_WRITE]
- = qdict_get_try_int(qdict, "bps_wr", -1);
- io_limits.iops[BLOCK_IO_LIMIT_TOTAL]
- = qdict_get_try_int(qdict, "iops", -1);
- io_limits.iops[BLOCK_IO_LIMIT_READ]
- = qdict_get_try_int(qdict, "iops_rd", -1);
- io_limits.iops[BLOCK_IO_LIMIT_WRITE]
- = qdict_get_try_int(qdict, "iops_wr", -1);
-
- bs = bdrv_find(devname);
+ bs = bdrv_find(device);
if (!bs) {
- qerror_report(QERR_DEVICE_NOT_FOUND, devname);
- return -1;
+ error_set(errp, QERR_DEVICE_NOT_FOUND, device);
+ return;
}
- if ((io_limits.bps[BLOCK_IO_LIMIT_TOTAL] == -1)
- || (io_limits.bps[BLOCK_IO_LIMIT_READ] == -1)
- || (io_limits.bps[BLOCK_IO_LIMIT_WRITE] == -1)
- || (io_limits.iops[BLOCK_IO_LIMIT_TOTAL] == -1)
- || (io_limits.iops[BLOCK_IO_LIMIT_READ] == -1)
- || (io_limits.iops[BLOCK_IO_LIMIT_WRITE] == -1)) {
- qerror_report(QERR_MISSING_PARAMETER,
- "bps/bps_rd/bps_wr/iops/iops_rd/iops_wr");
- return -1;
- }
+ io_limits.bps[BLOCK_IO_LIMIT_TOTAL] = bps;
+ io_limits.bps[BLOCK_IO_LIMIT_READ] = bps_rd;
+ io_limits.bps[BLOCK_IO_LIMIT_WRITE] = bps_wr;
+ io_limits.iops[BLOCK_IO_LIMIT_TOTAL]= iops;
+ io_limits.iops[BLOCK_IO_LIMIT_READ] = iops_rd;
+ io_limits.iops[BLOCK_IO_LIMIT_WRITE]= iops_wr;
if (!do_check_io_limits(&io_limits)) {
- qerror_report(QERR_INVALID_PARAMETER_COMBINATION);
- return -1;
+ error_set(errp, QERR_INVALID_PARAMETER_COMBINATION);
+ return;
}
bs->io_limits = io_limits;
@@ -829,8 +812,6 @@ int do_block_set_io_throttle(Monitor *mon,
qemu_mod_timer(bs->block_timer, qemu_get_clock_ns(vm_clock));
}
}
-
- return 0;
}
int do_drive_del(Monitor *mon, const QDict *qdict, QObject **ret_data)
diff --git a/blockdev.h b/blockdev.h
index b077449..260e16b 100644
--- a/blockdev.h
+++ b/blockdev.h
@@ -62,6 +62,4 @@ void qmp_change_blockdev(const char *device, const char *filename,
bool has_format, const char *format, Error **errp);
void do_commit(Monitor *mon, const QDict *qdict);
int do_drive_del(Monitor *mon, const QDict *qdict, QObject **ret_data);
-int do_block_set_io_throttle(Monitor *mon,
- const QDict *qdict, QObject **ret_data);
#endif
diff --git a/hmp-commands.hx b/hmp-commands.hx
index ac27ab3..e6506fc 100644
--- a/hmp-commands.hx
+++ b/hmp-commands.hx
@@ -1202,8 +1202,7 @@ ETEXI
.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 block drive",
- .user_print = monitor_user_noop,
- .mhandler.cmd_new = do_block_set_io_throttle,
+ .mhandler.cmd = hmp_block_set_io_throttle,
},
STEXI
diff --git a/hmp.c b/hmp.c
index 2b948aa..4664dbe 100644
--- a/hmp.c
+++ b/hmp.c
@@ -769,3 +769,17 @@ void hmp_change(Monitor *mon, const QDict *qdict)
}
hmp_handle_error(mon, &err);
}
+
+void hmp_block_set_io_throttle(Monitor *mon, const QDict *qdict)
+{
+ Error *err = NULL;
+
+ qmp_block_set_io_throttle(qdict_get_str(qdict, "device"),
+ qdict_get_int(qdict, "bps"),
+ qdict_get_int(qdict, "bps_rd"),
+ qdict_get_int(qdict, "bps_wr"),
+ qdict_get_int(qdict, "iops"),
+ qdict_get_int(qdict, "iops_rd"),
+ qdict_get_int(qdict, "iops_wr"), &err);
+ hmp_handle_error(mon, &err);
+}
diff --git a/hmp.h b/hmp.h
index 621bdc2..aab0b1f 100644
--- a/hmp.h
+++ b/hmp.h
@@ -53,5 +53,6 @@ void hmp_set_password(Monitor *mon, const QDict *qdict);
void hmp_expire_password(Monitor *mon, const QDict *qdict);
void hmp_eject(Monitor *mon, const QDict *qdict);
void hmp_change(Monitor *mon, const QDict *qdict);
+void hmp_block_set_io_throttle(Monitor *mon, const QDict *qdict);
#endif
diff --git a/qapi-schema.json b/qapi-schema.json
index eb20dac..9b154cc 100644
--- a/qapi-schema.json
+++ b/qapi-schema.json
@@ -1402,3 +1402,32 @@
##
{ 'command': 'change',
'data': {'device': 'str', 'target': 'str', '*arg': 'str'} }
+
+##
+# @block_set_io_throttle:
+#
+# Change I/O throttle limits for a block drive.
+#
+# @device: The name of the device
+#
+# @bps: total throughput limit in bytes per second
+#
+# @bps_rd: read throughput limit in bytes per second
+#
+# @bps_wr: write throughput limit in bytes per second
+#
+# @iops: total I/O operations per second
+#
+# @ops_rd: read I/O operations per second
+#
+# @iops_wr: write I/O operations per second
+#
+# Returns: Nothing on success
+# If @device is not a valid block device, DeviceNotFound
+# If the argument combination is invalid, InvalidParameterCombination
+#
+# Since: 1.1
+##
+{ 'command': 'block_set_io_throttle',
+ 'data': { 'device': 'str', 'bps': 'int', 'bps_rd': 'int', 'bps_wr': 'int',
+ 'iops': 'int', 'iops_rd': 'int', 'iops_wr': 'int' } }
diff --git a/qmp-commands.hx b/qmp-commands.hx
index bfae81f..799e655 100644
--- a/qmp-commands.hx
+++ b/qmp-commands.hx
@@ -807,10 +807,7 @@ EQMP
{
.name = "block_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 block drive",
- .user_print = monitor_user_noop,
- .mhandler.cmd_new = do_block_set_io_throttle,
+ .mhandler.cmd_new = qmp_marshal_input_block_set_io_throttle,
},
SQMP