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-rw-r--r--block.c234
1 files changed, 74 insertions, 160 deletions
diff --git a/block.c b/block.c
index 96f3c3fe4d..9bb236c989 100644
--- a/block.c
+++ b/block.c
@@ -27,8 +27,9 @@
#include "monitor.h"
#include "block_int.h"
#include "module.h"
-#include "qemu-objects.h"
+#include "qjson.h"
#include "qemu-coroutine.h"
+#include "qmp-commands.h"
#ifdef CONFIG_BSD
#include <sys/types.h>
@@ -1826,195 +1827,105 @@ void bdrv_mon_event(const BlockDriverState *bdrv,
qobject_decref(data);
}
-static void bdrv_print_dict(QObject *obj, void *opaque)
+BlockInfoList *qmp_query_block(Error **errp)
{
- QDict *bs_dict;
- Monitor *mon = opaque;
-
- bs_dict = qobject_to_qdict(obj);
-
- monitor_printf(mon, "%s: removable=%d",
- qdict_get_str(bs_dict, "device"),
- qdict_get_bool(bs_dict, "removable"));
-
- if (qdict_get_bool(bs_dict, "removable")) {
- monitor_printf(mon, " locked=%d", qdict_get_bool(bs_dict, "locked"));
- monitor_printf(mon, " tray-open=%d",
- qdict_get_bool(bs_dict, "tray-open"));
- }
-
- if (qdict_haskey(bs_dict, "io-status")) {
- monitor_printf(mon, " io-status=%s", qdict_get_str(bs_dict, "io-status"));
- }
-
- if (qdict_haskey(bs_dict, "inserted")) {
- QDict *qdict = qobject_to_qdict(qdict_get(bs_dict, "inserted"));
-
- monitor_printf(mon, " file=");
- monitor_print_filename(mon, qdict_get_str(qdict, "file"));
- if (qdict_haskey(qdict, "backing_file")) {
- monitor_printf(mon, " backing_file=");
- monitor_print_filename(mon, qdict_get_str(qdict, "backing_file"));
- }
- monitor_printf(mon, " ro=%d drv=%s encrypted=%d",
- qdict_get_bool(qdict, "ro"),
- qdict_get_str(qdict, "drv"),
- qdict_get_bool(qdict, "encrypted"));
- } else {
- monitor_printf(mon, " [not inserted]");
- }
-
- monitor_printf(mon, "\n");
-}
-
-void bdrv_info_print(Monitor *mon, const QObject *data)
-{
- qlist_iter(qobject_to_qlist(data), bdrv_print_dict, mon);
-}
-
-static const char *const io_status_name[BDRV_IOS_MAX] = {
- [BDRV_IOS_OK] = "ok",
- [BDRV_IOS_FAILED] = "failed",
- [BDRV_IOS_ENOSPC] = "nospace",
-};
-
-void bdrv_info(Monitor *mon, QObject **ret_data)
-{
- QList *bs_list;
+ BlockInfoList *head = NULL, *cur_item = NULL;
BlockDriverState *bs;
- bs_list = qlist_new();
-
QTAILQ_FOREACH(bs, &bdrv_states, list) {
- QObject *bs_obj;
- QDict *bs_dict;
+ BlockInfoList *info = g_malloc0(sizeof(*info));
- bs_obj = qobject_from_jsonf("{ 'device': %s, 'type': 'unknown', "
- "'removable': %i, 'locked': %i }",
- bs->device_name,
- bdrv_dev_has_removable_media(bs),
- bdrv_dev_is_medium_locked(bs));
- bs_dict = qobject_to_qdict(bs_obj);
+ info->value = g_malloc0(sizeof(*info->value));
+ info->value->device = g_strdup(bs->device_name);
+ info->value->type = g_strdup("unknown");
+ info->value->locked = bdrv_dev_is_medium_locked(bs);
+ info->value->removable = bdrv_dev_has_removable_media(bs);
if (bdrv_dev_has_removable_media(bs)) {
- qdict_put(bs_dict, "tray-open",
- qbool_from_int(bdrv_dev_is_tray_open(bs)));
+ info->value->has_tray_open = true;
+ info->value->tray_open = bdrv_dev_is_tray_open(bs);
}
if (bdrv_iostatus_is_enabled(bs)) {
- qdict_put(bs_dict, "io-status",
- qstring_from_str(io_status_name[bs->iostatus]));
+ info->value->has_io_status = true;
+ info->value->io_status = bs->iostatus;
}
if (bs->drv) {
- QObject *obj;
-
- obj = qobject_from_jsonf("{ 'file': %s, 'ro': %i, 'drv': %s, "
- "'encrypted': %i }",
- bs->filename, bs->read_only,
- bs->drv->format_name,
- bdrv_is_encrypted(bs));
- if (bs->backing_file[0] != '\0') {
- QDict *qdict = qobject_to_qdict(obj);
- qdict_put(qdict, "backing_file",
- qstring_from_str(bs->backing_file));
+ info->value->has_inserted = true;
+ info->value->inserted = g_malloc0(sizeof(*info->value->inserted));
+ info->value->inserted->file = g_strdup(bs->filename);
+ info->value->inserted->ro = bs->read_only;
+ info->value->inserted->drv = g_strdup(bs->drv->format_name);
+ info->value->inserted->encrypted = bs->encrypted;
+ if (bs->backing_file[0]) {
+ info->value->inserted->has_backing_file = true;
+ info->value->inserted->backing_file = g_strdup(bs->backing_file);
}
+ }
- qdict_put_obj(bs_dict, "inserted", obj);
+ /* XXX: waiting for the qapi to support GSList */
+ if (!cur_item) {
+ head = cur_item = info;
+ } else {
+ cur_item->next = info;
+ cur_item = info;
}
- qlist_append_obj(bs_list, bs_obj);
}
- *ret_data = QOBJECT(bs_list);
-}
-
-static void bdrv_stats_iter(QObject *data, void *opaque)
-{
- QDict *qdict;
- Monitor *mon = opaque;
-
- qdict = qobject_to_qdict(data);
- monitor_printf(mon, "%s:", qdict_get_str(qdict, "device"));
-
- qdict = qobject_to_qdict(qdict_get(qdict, "stats"));
- monitor_printf(mon, " rd_bytes=%" PRId64
- " wr_bytes=%" PRId64
- " rd_operations=%" PRId64
- " wr_operations=%" PRId64
- " flush_operations=%" PRId64
- " wr_total_time_ns=%" PRId64
- " rd_total_time_ns=%" PRId64
- " flush_total_time_ns=%" PRId64
- "\n",
- qdict_get_int(qdict, "rd_bytes"),
- qdict_get_int(qdict, "wr_bytes"),
- qdict_get_int(qdict, "rd_operations"),
- qdict_get_int(qdict, "wr_operations"),
- qdict_get_int(qdict, "flush_operations"),
- qdict_get_int(qdict, "wr_total_time_ns"),
- qdict_get_int(qdict, "rd_total_time_ns"),
- qdict_get_int(qdict, "flush_total_time_ns"));
+ return head;
}
-void bdrv_stats_print(Monitor *mon, const QObject *data)
+/* Consider exposing this as a full fledged QMP command */
+static BlockStats *qmp_query_blockstat(const BlockDriverState *bs, Error **errp)
{
- qlist_iter(qobject_to_qlist(data), bdrv_stats_iter, mon);
-}
+ BlockStats *s;
-static QObject* bdrv_info_stats_bs(BlockDriverState *bs)
-{
- QObject *res;
- QDict *dict;
+ s = g_malloc0(sizeof(*s));
- res = qobject_from_jsonf("{ 'stats': {"
- "'rd_bytes': %" PRId64 ","
- "'wr_bytes': %" PRId64 ","
- "'rd_operations': %" PRId64 ","
- "'wr_operations': %" PRId64 ","
- "'wr_highest_offset': %" PRId64 ","
- "'flush_operations': %" PRId64 ","
- "'wr_total_time_ns': %" PRId64 ","
- "'rd_total_time_ns': %" PRId64 ","
- "'flush_total_time_ns': %" PRId64
- "} }",
- bs->nr_bytes[BDRV_ACCT_READ],
- bs->nr_bytes[BDRV_ACCT_WRITE],
- bs->nr_ops[BDRV_ACCT_READ],
- bs->nr_ops[BDRV_ACCT_WRITE],
- bs->wr_highest_sector *
- (uint64_t)BDRV_SECTOR_SIZE,
- bs->nr_ops[BDRV_ACCT_FLUSH],
- bs->total_time_ns[BDRV_ACCT_WRITE],
- bs->total_time_ns[BDRV_ACCT_READ],
- bs->total_time_ns[BDRV_ACCT_FLUSH]);
- dict = qobject_to_qdict(res);
-
- if (*bs->device_name) {
- qdict_put(dict, "device", qstring_from_str(bs->device_name));
+ if (bs->device_name[0]) {
+ s->has_device = true;
+ s->device = g_strdup(bs->device_name);
}
+ s->stats = g_malloc0(sizeof(*s->stats));
+ s->stats->rd_bytes = bs->nr_bytes[BDRV_ACCT_READ];
+ s->stats->wr_bytes = bs->nr_bytes[BDRV_ACCT_WRITE];
+ s->stats->rd_operations = bs->nr_ops[BDRV_ACCT_READ];
+ s->stats->wr_operations = bs->nr_ops[BDRV_ACCT_WRITE];
+ s->stats->wr_highest_offset = bs->wr_highest_sector * BDRV_SECTOR_SIZE;
+ s->stats->flush_operations = bs->nr_ops[BDRV_ACCT_FLUSH];
+ s->stats->wr_total_time_ns = bs->total_time_ns[BDRV_ACCT_WRITE];
+ s->stats->rd_total_time_ns = bs->total_time_ns[BDRV_ACCT_READ];
+ s->stats->flush_total_time_ns = bs->total_time_ns[BDRV_ACCT_FLUSH];
+
if (bs->file) {
- QObject *parent = bdrv_info_stats_bs(bs->file);
- qdict_put_obj(dict, "parent", parent);
+ s->has_parent = true;
+ s->parent = qmp_query_blockstat(bs->file, NULL);
}
- return res;
+ return s;
}
-void bdrv_info_stats(Monitor *mon, QObject **ret_data)
+BlockStatsList *qmp_query_blockstats(Error **errp)
{
- QObject *obj;
- QList *devices;
+ BlockStatsList *head = NULL, *cur_item = NULL;
BlockDriverState *bs;
- devices = qlist_new();
-
QTAILQ_FOREACH(bs, &bdrv_states, list) {
- obj = bdrv_info_stats_bs(bs);
- qlist_append_obj(devices, obj);
+ BlockStatsList *info = g_malloc0(sizeof(*info));
+ info->value = qmp_query_blockstat(bs, NULL);
+
+ /* XXX: waiting for the qapi to support GSList */
+ if (!cur_item) {
+ head = cur_item = info;
+ } else {
+ cur_item->next = info;
+ cur_item = info;
+ }
}
- *ret_data = QOBJECT(devices);
+ return head;
}
const char *bdrv_get_encrypted_filename(BlockDriverState *bs)
@@ -3137,14 +3048,15 @@ int bdrv_in_use(BlockDriverState *bs)
void bdrv_iostatus_enable(BlockDriverState *bs)
{
- bs->iostatus = BDRV_IOS_OK;
+ bs->iostatus_enabled = true;
+ bs->iostatus = BLOCK_DEVICE_IO_STATUS_OK;
}
/* The I/O status is only enabled if the drive explicitly
* enables it _and_ the VM is configured to stop on errors */
bool bdrv_iostatus_is_enabled(const BlockDriverState *bs)
{
- return (bs->iostatus != BDRV_IOS_INVAL &&
+ return (bs->iostatus_enabled &&
(bs->on_write_error == BLOCK_ERR_STOP_ENOSPC ||
bs->on_write_error == BLOCK_ERR_STOP_ANY ||
bs->on_read_error == BLOCK_ERR_STOP_ANY));
@@ -3152,13 +3064,13 @@ bool bdrv_iostatus_is_enabled(const BlockDriverState *bs)
void bdrv_iostatus_disable(BlockDriverState *bs)
{
- bs->iostatus = BDRV_IOS_INVAL;
+ bs->iostatus_enabled = false;
}
void bdrv_iostatus_reset(BlockDriverState *bs)
{
if (bdrv_iostatus_is_enabled(bs)) {
- bs->iostatus = BDRV_IOS_OK;
+ bs->iostatus = BLOCK_DEVICE_IO_STATUS_OK;
}
}
@@ -3167,9 +3079,11 @@ void bdrv_iostatus_reset(BlockDriverState *bs)
possible to implement this without device models being involved */
void bdrv_iostatus_set_err(BlockDriverState *bs, int error)
{
- if (bdrv_iostatus_is_enabled(bs) && bs->iostatus == BDRV_IOS_OK) {
+ if (bdrv_iostatus_is_enabled(bs) &&
+ bs->iostatus == BLOCK_DEVICE_IO_STATUS_OK) {
assert(error >= 0);
- bs->iostatus = error == ENOSPC ? BDRV_IOS_ENOSPC : BDRV_IOS_FAILED;
+ bs->iostatus = error == ENOSPC ? BLOCK_DEVICE_IO_STATUS_NOSPACE :
+ BLOCK_DEVICE_IO_STATUS_FAILED;
}
}
generated by cgit v1.2.3 (git 2.26.2) at 2025-01-16 13:36:34 +0000