ret = bdrv_open(dinfo->bdrv, file, bdrv_flags, drv);
if (ret < 0) {
- error_report("could not open disk image %s: %s",
- file, strerror(-ret));
+ if (ret == -EMEDIUMTYPE) {
+ error_report("could not open disk image %s: not in %s format",
+ file, drv->format_name);
+ } else {
+ error_report("could not open disk image %s: %s",
+ file, strerror(-ret));
+ }
goto err;
}
if (!strcmp(device, "all")) {
ret = bdrv_commit_all();
- if (ret == -EBUSY) {
- qerror_report(QERR_DEVICE_IN_USE, device);
- return;
- }
} else {
bs = bdrv_find(device);
if (!bs) {
- qerror_report(QERR_DEVICE_NOT_FOUND, device);
+ monitor_printf(mon, "Device '%s' not found\n", device);
return;
}
ret = bdrv_commit(bs);
- if (ret == -EBUSY) {
- qerror_report(QERR_DEVICE_IN_USE, device);
- return;
- }
+ }
+ if (ret < 0) {
+ monitor_printf(mon, "'commit' error for '%s': %s\n", device,
+ strerror(-ret));
}
}
drive_get_ref(drive_get_by_blockdev(bs));
}
+ #define DEFAULT_MIRROR_BUF_SIZE (10 << 20)
+
void qmp_drive_mirror(const char *device, const char *target,
bool has_format, const char *format,
enum MirrorSyncMode sync,
bool has_mode, enum NewImageMode mode,
bool has_speed, int64_t speed,
+ bool has_granularity, uint32_t granularity,
+ bool has_buf_size, int64_t buf_size,
bool has_on_source_error, BlockdevOnError on_source_error,
bool has_on_target_error, BlockdevOnError on_target_error,
Error **errp)
{
- BlockDriverInfo bdi;
BlockDriverState *bs;
BlockDriverState *source, *target_bs;
BlockDriver *proto_drv;
if (!has_mode) {
mode = NEW_IMAGE_MODE_ABSOLUTE_PATHS;
}
+ if (!has_granularity) {
+ granularity = 0;
+ }
+ if (!has_buf_size) {
+ buf_size = DEFAULT_MIRROR_BUF_SIZE;
+ }
+
+ if (granularity != 0 && (granularity < 512 || granularity > 1048576 * 64)) {
+ error_set(errp, QERR_INVALID_PARAMETER, device);
+ return;
+ }
+ if (granularity & (granularity - 1)) {
+ error_set(errp, QERR_INVALID_PARAMETER, device);
+ return;
+ }
bs = bdrv_find(device);
if (!bs) {
return;
}
+ bdrv_get_geometry(bs, &size);
+ size *= 512;
if (sync == MIRROR_SYNC_MODE_FULL && mode != NEW_IMAGE_MODE_EXISTING) {
/* create new image w/o backing file */
assert(format && drv);
- bdrv_get_geometry(bs, &size);
- size *= 512;
bdrv_img_create(target, format,
NULL, NULL, NULL, size, flags, &local_err);
} else {
bdrv_img_create(target, format,
source->filename,
source->drv->format_name,
- NULL, -1, flags, &local_err);
+ NULL, size, flags, &local_err);
break;
default:
abort();
return;
}
+ /* Mirroring takes care of copy-on-write using the source's backing
+ * file.
+ */
target_bs = bdrv_new("");
ret = bdrv_open(target_bs, target, flags | BDRV_O_NO_BACKING, drv);
return;
}
- /* We need a backing file if we will copy parts of a cluster. */
- if (bdrv_get_info(target_bs, &bdi) >= 0 && bdi.cluster_size != 0 &&
- bdi.cluster_size >= BDRV_SECTORS_PER_DIRTY_CHUNK * 512) {
- ret = bdrv_open_backing_file(target_bs);
- if (ret < 0) {
- bdrv_delete(target_bs);
- error_set(errp, QERR_OPEN_FILE_FAILED, target);
- return;
- }
- }
-
- mirror_start(bs, target_bs, speed, sync, on_source_error, on_target_error,
+ mirror_start(bs, target_bs, speed, granularity, buf_size, sync,
+ on_source_error, on_target_error,
block_job_cb, bs, &local_err);
if (local_err != NULL) {
bdrv_delete(target_bs);
return;
}
- monitor_printf(mon, "balloon: actual=%" PRId64, info->actual >> 20);
- if (info->has_mem_swapped_in) {
- monitor_printf(mon, " mem_swapped_in=%" PRId64, info->mem_swapped_in);
- }
- if (info->has_mem_swapped_out) {
- monitor_printf(mon, " mem_swapped_out=%" PRId64, info->mem_swapped_out);
- }
- if (info->has_major_page_faults) {
- monitor_printf(mon, " major_page_faults=%" PRId64,
- info->major_page_faults);
- }
- if (info->has_minor_page_faults) {
- monitor_printf(mon, " minor_page_faults=%" PRId64,
- info->minor_page_faults);
- }
- if (info->has_free_mem) {
- monitor_printf(mon, " free_mem=%" PRId64, info->free_mem);
- }
- if (info->has_total_mem) {
- monitor_printf(mon, " total_mem=%" PRId64, info->total_mem);
- }
-
- monitor_printf(mon, "\n");
+ monitor_printf(mon, "balloon: actual=%" PRId64 "\n", info->actual >> 20);
qapi_free_BalloonInfo(info);
}
qmp_pmemsave(addr, size, filename, &errp);
hmp_handle_error(mon, &errp);
}
+
+void hmp_memchar_write(Monitor *mon, const QDict *qdict)
+{
+ uint32_t size;
+ const char *chardev = qdict_get_str(qdict, "device");
+ const char *data = qdict_get_str(qdict, "data");
+ Error *errp = NULL;
+
+ size = strlen(data);
+ qmp_memchar_write(chardev, size, data, false, 0, &errp);
+
+ hmp_handle_error(mon, &errp);
+}
+
+void hmp_memchar_read(Monitor *mon, const QDict *qdict)
+{
+ uint32_t size = qdict_get_int(qdict, "size");
+ const char *chardev = qdict_get_str(qdict, "device");
+ MemCharRead *meminfo;
+ Error *errp = NULL;
+
+ meminfo = qmp_memchar_read(chardev, size, false, 0, &errp);
+ if (errp) {
+ monitor_printf(mon, "%s\n", error_get_pretty(errp));
+ error_free(errp);
+ return;
+ }
+
+ if (meminfo->count > 0) {
+ monitor_printf(mon, "%s\n", meminfo->data);
+ }
+
+ qapi_free_MemCharRead(meminfo);
+}
static void hmp_cont_cb(void *opaque, int err)
{
qmp_drive_mirror(device, filename, !!format, format,
full ? MIRROR_SYNC_MODE_FULL : MIRROR_SYNC_MODE_TOP,
- true, mode, false, 0,
+ true, mode, false, 0, false, 0, false, 0,
false, 0, false, 0, &errp);
hmp_handle_error(mon, &errp);
}
##
{ 'command': 'query-chardev', 'returns': ['ChardevInfo'] }
+##
+# @DataFormat:
+#
+# An enumeration of data format.
+#
+# @utf8: The data format is 'utf8'.
+#
+# @base64: The data format is 'base64'.
+#
+# Since: 1.4
+##
+{ 'enum': 'DataFormat'
+ 'data': [ 'utf8', 'base64' ] }
+
+##
+# @memchar-write:
+#
+# Provide writing interface for memchardev. Write data to char
+# device 'memory'.
+#
+# @device: the name of the memory char device.
+#
+# @size: the size to write in bytes.
+#
+# @data: the source data write to memchar.
+#
+# @format: #optional the format of the data write to chardev 'memory',
+# by default is 'utf8'.
+#
+# Returns: Nothing on success
+# If @device is not a valid char device, DeviceNotFound
+#
+# Since: 1.4
+##
+{ 'command': 'memchar-write',
+ 'data': {'device': 'str', 'size': 'int', 'data': 'str',
+ '*format': 'DataFormat'} }
+
+##
+# @MemCharRead
+#
+# Result of QMP command memchar-read.
+#
+# @data: The data read from memchar as string.
+#
+# @count: The numbers of bytes read from.
+#
+# Since: 1.4
+##
+{ 'type': 'MemCharRead',
+ 'data': { 'data': 'str', 'count': 'int' } }
+
+##
+# @memchar-read:
+#
+# Provide read interface for memchardev. Read from the char
+# device 'memory' and return the data.
+#
+# @device: the name of the memory char device.
+#
+# @size: the size to read in bytes.
+#
+# @format: #optional the format of the data want to read from
+# memchardev, by default is 'utf8'.
+#
+# Returns: @MemCharRead
+# If @device is not a valid memchr device, DeviceNotFound
+#
+# Since: 1.4
+##
+{ 'command': 'memchar-read',
+ 'data': {'device': 'str', 'size': 'int', '*format': 'DataFormat'},
+ 'returns': 'MemCharRead' }
+
##
# @CommandInfo:
#
#
# @count: number of dirty bytes according to the dirty bitmap
#
+ # @granularity: granularity of the dirty bitmap in bytes (since 1.4)
+ #
# Since: 1.3
##
{ 'type': 'BlockDirtyInfo',
- 'data': {'count': 'int'} }
+ 'data': {'count': 'int', 'granularity': 'int'} }
##
# @BlockInfo:
#
# @actual: the number of bytes the balloon currently contains
#
-# @mem_swapped_in: #optional number of pages swapped in within the guest
-#
-# @mem_swapped_out: #optional number of pages swapped out within the guest
-#
-# @major_page_faults: #optional number of major page faults within the guest
-#
-# @minor_page_faults: #optional number of minor page faults within the guest
-#
-# @free_mem: #optional amount of memory (in bytes) free in the guest
-#
-# @total_mem: #optional amount of memory (in bytes) visible to the guest
-#
# Since: 0.14.0
#
-# Notes: all current versions of QEMU do not fill out optional information in
-# this structure.
##
-{ 'type': 'BalloonInfo',
- 'data': {'actual': 'int', '*mem_swapped_in': 'int',
- '*mem_swapped_out': 'int', '*major_page_faults': 'int',
- '*minor_page_faults': 'int', '*free_mem': 'int',
- '*total_mem': 'int'} }
+{ 'type': 'BalloonInfo', 'data': {'actual': 'int' } }
##
# @query-balloon:
# (all the disk, only the sectors allocated in the topmost image, or
# only new I/O).
#
+ # @granularity: #optional granularity of the dirty bitmap, default is 64K
+ # if the image format doesn't have clusters, 4K if the clusters
+ # are smaller than that, else the cluster size. Must be a
+ # power of 2 between 512 and 64M (since 1.4).
+ #
+ # @buf-size: #optional maximum amount of data in flight from source to
+ # target (since 1.4).
+ #
# @on-source-error: #optional the action to take on an error on the source,
# default 'report'. 'stop' and 'enospc' can only be used
# if the block device supports io-status (see BlockInfo).
{ 'command': 'drive-mirror',
'data': { 'device': 'str', 'target': 'str', '*format': 'str',
'sync': 'MirrorSyncMode', '*mode': 'NewImageMode',
- '*speed': 'int', '*on-source-error': 'BlockdevOnError',
+ '*speed': 'int', '*granularity': 'uint32',
+ '*buf-size': 'int', '*on-source-error': 'BlockdevOnError',
'*on-target-error': 'BlockdevOnError' } }
##
Note: inject-nmi fails when the guest doesn't support injecting.
Currently, only x86 guests do.
+EQMP
+
+ {
+ .name = "memchar-write",
+ .args_type = "device:s,size:i,data:s,format:s?",
+ .mhandler.cmd_new = qmp_marshal_input_memchar_write,
+ },
+
+SQMP
+memchar-write
+-------------
+
+Provide writing interface for CirMemCharDriver. Write data to memory
+char device.
+
+Arguments:
+
+- "device": the name of the char device, must be unique (json-string)
+- "size": the memory size, in bytes, should be power of 2 (json-int)
+- "data": the source data write to memory (json-string)
+- "format": the data format write to memory, default is
+ utf8. (json-string, optional)
+ - Possible values: "utf8", "base64"
+
+Example:
+
+-> { "execute": "memchar-write",
+ "arguments": { "device": foo,
+ "size": 8,
+ "data": "abcdefgh",
+ "format": "utf8" } }
+<- { "return": {} }
+
+EQMP
+
+ {
+ .name = "memchar-read",
+ .args_type = "device:s,size:i,format:s?",
+ .mhandler.cmd_new = qmp_marshal_input_memchar_read,
+ },
+
+SQMP
+memchar-read
+-------------
+
+Provide read interface for CirMemCharDriver. Read from the char
+device memory and return the data with size.
+
+Arguments:
+
+- "device": the name of the char device, must be unique (json-string)
+- "size": the memory size wanted to read in bytes (refer to unencoded
+ size of the raw data), would adjust to the init size of the
+ memchar if the requested size is larger than it. (json-int)
+- "format": the data format write to memchardev, default is
+ utf8. (json-string, optional)
+ - Possible values: "utf8", "base64"
+
+Example:
+
+-> { "execute": "memchar-read",
+ "arguments": { "device": foo,
+ "size": 1000,
+ "format": "utf8" } }
+<- { "return": { "data": "data string...", "count": 1000 } }
+
EQMP
{
{
.name = "drive-mirror",
.args_type = "sync:s,device:B,target:s,speed:i?,mode:s?,format:s?,"
- "on-source-error:s?,on-target-error:s?",
+ "on-source-error:s?,on-target-error:s?,"
+ "granularity:i?,buf-size:i?",
.mhandler.cmd_new = qmp_marshal_input_drive_mirror,
},
file/device (NewImageMode, optional, default 'absolute-paths')
- "speed": maximum speed of the streaming job, in bytes per second
(json-int)
+ - "granularity": granularity of the dirty bitmap, in bytes (json-int, optional)
+ - "buf_size": maximum amount of data in flight from source to target, in bytes
+ (json-int, default 10M)
- "sync": what parts of the disk image should be copied to the destination;
possibilities include "full" for all the disk, "top" for only the sectors
allocated in the topmost image, or "none" to only replicate new I/O
- "on-target-error": the action to take on an error on the target
(BlockdevOnError, default 'report')
+ The default value of the granularity is the image cluster size clamped
+ between 4096 and 65536, if the image format defines one. If the format
+ does not define a cluster size, the default value of the granularity
+ is 65536.
Example:
json-object will be returned containing the following data:
- "actual": current balloon value in bytes (json-int)
-- "mem_swapped_in": Amount of memory swapped in bytes (json-int, optional)
-- "mem_swapped_out": Amount of memory swapped out in bytes (json-int, optional)
-- "major_page_faults": Number of major faults (json-int, optional)
-- "minor_page_faults": Number of minor faults (json-int, optional)
-- "free_mem": Total amount of free and unused memory in
- bytes (json-int, optional)
-- "total_mem": Total amount of available memory in bytes (json-int, optional)
Example:
<- {
"return":{
"actual":1073741824,
- "mem_swapped_in":0,
- "mem_swapped_out":0,
- "major_page_faults":142,
- "minor_page_faults":239245,
- "free_mem":1014185984,
- "total_mem":1044668416
}
}
export SRC_PATH
check-unit-y = tests/check-qdict$(EXESUF)
-gcov-files-check-qdict-y = qdict.c
+gcov-files-check-qdict-y = qobject/qdict.c
check-unit-y += tests/check-qfloat$(EXESUF)
-gcov-files-check-qfloat-y = qfloat.c
+gcov-files-check-qfloat-y = qobject/qfloat.c
check-unit-y += tests/check-qint$(EXESUF)
-gcov-files-check-qint-y = qint.c
+gcov-files-check-qint-y = qobject/qint.c
check-unit-y += tests/check-qstring$(EXESUF)
-gcov-files-check-qstring-y = qstring.c
+gcov-files-check-qstring-y = qobject/qstring.c
check-unit-y += tests/check-qlist$(EXESUF)
-gcov-files-check-qlist-y = qlist.c
+gcov-files-check-qlist-y = qobject/qlist.c
check-unit-y += tests/check-qjson$(EXESUF)
-gcov-files-check-qjson-y = qjson.c
+gcov-files-check-qjson-y = qobject/qjson.c
check-unit-y += tests/test-qmp-output-visitor$(EXESUF)
gcov-files-test-qmp-output-visitor-y = qapi/qmp-output-visitor.c
check-unit-y += tests/test-qmp-input-visitor$(EXESUF)
endif
check-unit-y += tests/test-visitor-serialization$(EXESUF)
check-unit-y += tests/test-iov$(EXESUF)
-gcov-files-test-iov-y = iov.c
+gcov-files-test-iov-y = util/iov.c
check-unit-y += tests/test-aio$(EXESUF)
gcov-files-test-aio-$(CONFIG_WIN32) = aio-win32.c
gcov-files-test-aio-$(CONFIG_POSIX) = aio-posix.c
check-unit-y += tests/test-thread-pool$(EXESUF)
gcov-files-test-thread-pool-y = thread-pool.c
+ gcov-files-test-hbitmap-y = util/hbitmap.c
+ check-unit-y += tests/test-hbitmap$(EXESUF)
check-block-$(CONFIG_POSIX) += tests/qemu-iotests-quick.sh
check-qtest-i386-y += tests/rtc-test$(EXESUF)
check-qtest-x86_64-y = $(check-qtest-i386-y)
gcov-files-i386-y += i386-softmmu/hw/mc146818rtc.c
+gcov-files-x86_64-y = $(subst i386-softmmu/,x86_64-softmmu/,$(gcov-files-i386-y))
check-qtest-sparc-y = tests/m48t59-test$(EXESUF)
check-qtest-sparc64-y = tests/m48t59-test$(EXESUF)
gcov-files-sparc-y += hw/m48t59.c
+gcov-files-sparc64-y += hw/m48t59.c
check-qtest-arm-y = tests/tmp105-test$(EXESUF)
-qcov-files-arm-y += hw/tmp105.c
+gcov-files-arm-y += hw/tmp105.c
GENERATED_HEADERS += tests/test-qapi-types.h tests/test-qapi-visit.h tests/test-qmp-commands.h
tests/test-aio$(EXESUF): tests/test-aio.o $(block-obj-y) libqemuutil.a libqemustub.a
tests/test-thread-pool$(EXESUF): tests/test-thread-pool.o $(block-obj-y) libqemuutil.a libqemustub.a
tests/test-iov$(EXESUF): tests/test-iov.o libqemuutil.a
+ tests/test-hbitmap$(EXESUF): tests/test-hbitmap.o libqemuutil.a libqemustub.a
tests/test-qapi-types.c tests/test-qapi-types.h :\
$(SRC_PATH)/qapi-schema-test.json $(SRC_PATH)/scripts/qapi-types.py
projects / sdk / emulator / qemu.git / commitdiff