1f364ec65SWenchao Xia /* 2f364ec65SWenchao Xia * Block layer qmp and info dump related functions 3f364ec65SWenchao Xia * 4f364ec65SWenchao Xia * Copyright (c) 2003-2008 Fabrice Bellard 5f364ec65SWenchao Xia * 6f364ec65SWenchao Xia * Permission is hereby granted, free of charge, to any person obtaining a copy 7f364ec65SWenchao Xia * of this software and associated documentation files (the "Software"), to deal 8f364ec65SWenchao Xia * in the Software without restriction, including without limitation the rights 9f364ec65SWenchao Xia * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 10f364ec65SWenchao Xia * copies of the Software, and to permit persons to whom the Software is 11f364ec65SWenchao Xia * furnished to do so, subject to the following conditions: 12f364ec65SWenchao Xia * 13f364ec65SWenchao Xia * The above copyright notice and this permission notice shall be included in 14f364ec65SWenchao Xia * all copies or substantial portions of the Software. 15f364ec65SWenchao Xia * 16f364ec65SWenchao Xia * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17f364ec65SWenchao Xia * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18f364ec65SWenchao Xia * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19f364ec65SWenchao Xia * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20f364ec65SWenchao Xia * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 21f364ec65SWenchao Xia * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 22f364ec65SWenchao Xia * THE SOFTWARE. 23f364ec65SWenchao Xia */ 24f364ec65SWenchao Xia 25f364ec65SWenchao Xia #include "block/qapi.h" 26f364ec65SWenchao Xia #include "block/block_int.h" 27e2462113SFrancesco Romani #include "block/write-threshold.h" 28f364ec65SWenchao Xia #include "qmp-commands.h" 29a8d8ecb7SMax Reitz #include "qapi-visit.h" 30a8d8ecb7SMax Reitz #include "qapi/qmp-output-visitor.h" 31a8d8ecb7SMax Reitz #include "qapi/qmp/types.h" 32d829a211SMarkus Armbruster #include "sysemu/block-backend.h" 33f364ec65SWenchao Xia 34*d5a8ee60SAlberto Garcia BlockDeviceInfo *bdrv_block_device_info(BlockDriverState *bs, Error **errp) 35c13163fbSBenoît Canet { 36*d5a8ee60SAlberto Garcia ImageInfo **p_image_info; 37*d5a8ee60SAlberto Garcia BlockDriverState *bs0; 38c13163fbSBenoît Canet BlockDeviceInfo *info = g_malloc0(sizeof(*info)); 39c13163fbSBenoît Canet 40c13163fbSBenoît Canet info->file = g_strdup(bs->filename); 41c13163fbSBenoît Canet info->ro = bs->read_only; 42c13163fbSBenoît Canet info->drv = g_strdup(bs->drv->format_name); 43c13163fbSBenoît Canet info->encrypted = bs->encrypted; 44c13163fbSBenoît Canet info->encryption_key_missing = bdrv_key_required(bs); 45c13163fbSBenoît Canet 469e193c5aSKevin Wolf info->cache = g_new(BlockdevCacheInfo, 1); 479e193c5aSKevin Wolf *info->cache = (BlockdevCacheInfo) { 489e193c5aSKevin Wolf .writeback = bdrv_enable_write_cache(bs), 499e193c5aSKevin Wolf .direct = !!(bs->open_flags & BDRV_O_NOCACHE), 509e193c5aSKevin Wolf .no_flush = !!(bs->open_flags & BDRV_O_NO_FLUSH), 519e193c5aSKevin Wolf }; 529e193c5aSKevin Wolf 53c13163fbSBenoît Canet if (bs->node_name[0]) { 54c13163fbSBenoît Canet info->has_node_name = true; 55c13163fbSBenoît Canet info->node_name = g_strdup(bs->node_name); 56c13163fbSBenoît Canet } 57c13163fbSBenoît Canet 58c13163fbSBenoît Canet if (bs->backing_file[0]) { 59c13163fbSBenoît Canet info->has_backing_file = true; 60c13163fbSBenoît Canet info->backing_file = g_strdup(bs->backing_file); 61c13163fbSBenoît Canet } 62c13163fbSBenoît Canet 63c13163fbSBenoît Canet info->backing_file_depth = bdrv_get_backing_file_depth(bs); 64465bee1dSPeter Lieven info->detect_zeroes = bs->detect_zeroes; 65c13163fbSBenoît Canet 66c13163fbSBenoît Canet if (bs->io_limits_enabled) { 67c13163fbSBenoît Canet ThrottleConfig cfg; 68c13163fbSBenoît Canet throttle_get_config(&bs->throttle_state, &cfg); 69c13163fbSBenoît Canet info->bps = cfg.buckets[THROTTLE_BPS_TOTAL].avg; 70c13163fbSBenoît Canet info->bps_rd = cfg.buckets[THROTTLE_BPS_READ].avg; 71c13163fbSBenoît Canet info->bps_wr = cfg.buckets[THROTTLE_BPS_WRITE].avg; 72c13163fbSBenoît Canet 73c13163fbSBenoît Canet info->iops = cfg.buckets[THROTTLE_OPS_TOTAL].avg; 74c13163fbSBenoît Canet info->iops_rd = cfg.buckets[THROTTLE_OPS_READ].avg; 75c13163fbSBenoît Canet info->iops_wr = cfg.buckets[THROTTLE_OPS_WRITE].avg; 76c13163fbSBenoît Canet 77c13163fbSBenoît Canet info->has_bps_max = cfg.buckets[THROTTLE_BPS_TOTAL].max; 78c13163fbSBenoît Canet info->bps_max = cfg.buckets[THROTTLE_BPS_TOTAL].max; 79c13163fbSBenoît Canet info->has_bps_rd_max = cfg.buckets[THROTTLE_BPS_READ].max; 80c13163fbSBenoît Canet info->bps_rd_max = cfg.buckets[THROTTLE_BPS_READ].max; 81c13163fbSBenoît Canet info->has_bps_wr_max = cfg.buckets[THROTTLE_BPS_WRITE].max; 82c13163fbSBenoît Canet info->bps_wr_max = cfg.buckets[THROTTLE_BPS_WRITE].max; 83c13163fbSBenoît Canet 84c13163fbSBenoît Canet info->has_iops_max = cfg.buckets[THROTTLE_OPS_TOTAL].max; 85c13163fbSBenoît Canet info->iops_max = cfg.buckets[THROTTLE_OPS_TOTAL].max; 86c13163fbSBenoît Canet info->has_iops_rd_max = cfg.buckets[THROTTLE_OPS_READ].max; 87c13163fbSBenoît Canet info->iops_rd_max = cfg.buckets[THROTTLE_OPS_READ].max; 88c13163fbSBenoît Canet info->has_iops_wr_max = cfg.buckets[THROTTLE_OPS_WRITE].max; 89c13163fbSBenoît Canet info->iops_wr_max = cfg.buckets[THROTTLE_OPS_WRITE].max; 90c13163fbSBenoît Canet 91c13163fbSBenoît Canet info->has_iops_size = cfg.op_size; 92c13163fbSBenoît Canet info->iops_size = cfg.op_size; 93c13163fbSBenoît Canet } 94c13163fbSBenoît Canet 95e2462113SFrancesco Romani info->write_threshold = bdrv_write_threshold_get(bs); 96e2462113SFrancesco Romani 97*d5a8ee60SAlberto Garcia bs0 = bs; 98*d5a8ee60SAlberto Garcia p_image_info = &info->image; 99*d5a8ee60SAlberto Garcia while (1) { 100*d5a8ee60SAlberto Garcia Error *local_err = NULL; 101*d5a8ee60SAlberto Garcia bdrv_query_image_info(bs0, p_image_info, &local_err); 102*d5a8ee60SAlberto Garcia if (local_err) { 103*d5a8ee60SAlberto Garcia error_propagate(errp, local_err); 104*d5a8ee60SAlberto Garcia qapi_free_BlockDeviceInfo(info); 105*d5a8ee60SAlberto Garcia return NULL; 106*d5a8ee60SAlberto Garcia } 107*d5a8ee60SAlberto Garcia if (bs0->drv && bs0->backing_hd) { 108*d5a8ee60SAlberto Garcia bs0 = bs0->backing_hd; 109*d5a8ee60SAlberto Garcia (*p_image_info)->has_backing_image = true; 110*d5a8ee60SAlberto Garcia p_image_info = &((*p_image_info)->backing_image); 111*d5a8ee60SAlberto Garcia } else { 112*d5a8ee60SAlberto Garcia break; 113*d5a8ee60SAlberto Garcia } 114*d5a8ee60SAlberto Garcia } 115*d5a8ee60SAlberto Garcia 116c13163fbSBenoît Canet return info; 117c13163fbSBenoît Canet } 118c13163fbSBenoît Canet 119fb0ed453SWenchao Xia /* 120fb0ed453SWenchao Xia * Returns 0 on success, with *p_list either set to describe snapshot 121fb0ed453SWenchao Xia * information, or NULL because there are no snapshots. Returns -errno on 122fb0ed453SWenchao Xia * error, with *p_list untouched. 123fb0ed453SWenchao Xia */ 124fb0ed453SWenchao Xia int bdrv_query_snapshot_info_list(BlockDriverState *bs, 125fb0ed453SWenchao Xia SnapshotInfoList **p_list, 126fb0ed453SWenchao Xia Error **errp) 127f364ec65SWenchao Xia { 128f364ec65SWenchao Xia int i, sn_count; 129f364ec65SWenchao Xia QEMUSnapshotInfo *sn_tab = NULL; 130fb0ed453SWenchao Xia SnapshotInfoList *info_list, *cur_item = NULL, *head = NULL; 131fb0ed453SWenchao Xia SnapshotInfo *info; 132fb0ed453SWenchao Xia 133f364ec65SWenchao Xia sn_count = bdrv_snapshot_list(bs, &sn_tab); 134fb0ed453SWenchao Xia if (sn_count < 0) { 135fb0ed453SWenchao Xia const char *dev = bdrv_get_device_name(bs); 136fb0ed453SWenchao Xia switch (sn_count) { 137fb0ed453SWenchao Xia case -ENOMEDIUM: 138fb0ed453SWenchao Xia error_setg(errp, "Device '%s' is not inserted", dev); 139fb0ed453SWenchao Xia break; 140fb0ed453SWenchao Xia case -ENOTSUP: 141fb0ed453SWenchao Xia error_setg(errp, 142fb0ed453SWenchao Xia "Device '%s' does not support internal snapshots", 143fb0ed453SWenchao Xia dev); 144fb0ed453SWenchao Xia break; 145fb0ed453SWenchao Xia default: 146fb0ed453SWenchao Xia error_setg_errno(errp, -sn_count, 147fb0ed453SWenchao Xia "Can't list snapshots of device '%s'", dev); 148fb0ed453SWenchao Xia break; 149fb0ed453SWenchao Xia } 150fb0ed453SWenchao Xia return sn_count; 151fb0ed453SWenchao Xia } 152f364ec65SWenchao Xia 153f364ec65SWenchao Xia for (i = 0; i < sn_count; i++) { 154fb0ed453SWenchao Xia info = g_new0(SnapshotInfo, 1); 155fb0ed453SWenchao Xia info->id = g_strdup(sn_tab[i].id_str); 156fb0ed453SWenchao Xia info->name = g_strdup(sn_tab[i].name); 157fb0ed453SWenchao Xia info->vm_state_size = sn_tab[i].vm_state_size; 158fb0ed453SWenchao Xia info->date_sec = sn_tab[i].date_sec; 159fb0ed453SWenchao Xia info->date_nsec = sn_tab[i].date_nsec; 160fb0ed453SWenchao Xia info->vm_clock_sec = sn_tab[i].vm_clock_nsec / 1000000000; 161fb0ed453SWenchao Xia info->vm_clock_nsec = sn_tab[i].vm_clock_nsec % 1000000000; 162f364ec65SWenchao Xia 163fb0ed453SWenchao Xia info_list = g_new0(SnapshotInfoList, 1); 164fb0ed453SWenchao Xia info_list->value = info; 165f364ec65SWenchao Xia 166f364ec65SWenchao Xia /* XXX: waiting for the qapi to support qemu-queue.h types */ 167f364ec65SWenchao Xia if (!cur_item) { 168fb0ed453SWenchao Xia head = cur_item = info_list; 169f364ec65SWenchao Xia } else { 170f364ec65SWenchao Xia cur_item->next = info_list; 171f364ec65SWenchao Xia cur_item = info_list; 172f364ec65SWenchao Xia } 173f364ec65SWenchao Xia 174f364ec65SWenchao Xia } 175f364ec65SWenchao Xia 176f364ec65SWenchao Xia g_free(sn_tab); 177fb0ed453SWenchao Xia *p_list = head; 178fb0ed453SWenchao Xia return 0; 179f364ec65SWenchao Xia } 180f364ec65SWenchao Xia 18143526ec8SWenchao Xia /** 18243526ec8SWenchao Xia * bdrv_query_image_info: 18343526ec8SWenchao Xia * @bs: block device to examine 18443526ec8SWenchao Xia * @p_info: location to store image information 18543526ec8SWenchao Xia * @errp: location to store error information 18643526ec8SWenchao Xia * 187553a7e87SWenchao Xia * Store "flat" image information in @p_info. 188553a7e87SWenchao Xia * 189553a7e87SWenchao Xia * "Flat" means it does *not* query backing image information, 190553a7e87SWenchao Xia * i.e. (*pinfo)->has_backing_image will be set to false and 191553a7e87SWenchao Xia * (*pinfo)->backing_image to NULL even when the image does in fact have 192553a7e87SWenchao Xia * a backing image. 193553a7e87SWenchao Xia * 19443526ec8SWenchao Xia * @p_info will be set only on success. On error, store error in @errp. 19543526ec8SWenchao Xia */ 19643526ec8SWenchao Xia void bdrv_query_image_info(BlockDriverState *bs, 19743526ec8SWenchao Xia ImageInfo **p_info, 19843526ec8SWenchao Xia Error **errp) 199f364ec65SWenchao Xia { 20052bf1e72SMarkus Armbruster int64_t size; 20143526ec8SWenchao Xia const char *backing_filename; 202f364ec65SWenchao Xia BlockDriverInfo bdi; 20343526ec8SWenchao Xia int ret; 20443526ec8SWenchao Xia Error *err = NULL; 20552bf1e72SMarkus Armbruster ImageInfo *info; 206f364ec65SWenchao Xia 20752bf1e72SMarkus Armbruster size = bdrv_getlength(bs); 20852bf1e72SMarkus Armbruster if (size < 0) { 20952bf1e72SMarkus Armbruster error_setg_errno(errp, -size, "Can't get size of device '%s'", 21052bf1e72SMarkus Armbruster bdrv_get_device_name(bs)); 21152bf1e72SMarkus Armbruster return; 21252bf1e72SMarkus Armbruster } 213f364ec65SWenchao Xia 21452bf1e72SMarkus Armbruster info = g_new0(ImageInfo, 1); 21543526ec8SWenchao Xia info->filename = g_strdup(bs->filename); 216f364ec65SWenchao Xia info->format = g_strdup(bdrv_get_format_name(bs)); 21752bf1e72SMarkus Armbruster info->virtual_size = size; 218f364ec65SWenchao Xia info->actual_size = bdrv_get_allocated_file_size(bs); 219f364ec65SWenchao Xia info->has_actual_size = info->actual_size >= 0; 220f364ec65SWenchao Xia if (bdrv_is_encrypted(bs)) { 221f364ec65SWenchao Xia info->encrypted = true; 222f364ec65SWenchao Xia info->has_encrypted = true; 223f364ec65SWenchao Xia } 224f364ec65SWenchao Xia if (bdrv_get_info(bs, &bdi) >= 0) { 225f364ec65SWenchao Xia if (bdi.cluster_size != 0) { 226f364ec65SWenchao Xia info->cluster_size = bdi.cluster_size; 227f364ec65SWenchao Xia info->has_cluster_size = true; 228f364ec65SWenchao Xia } 229f364ec65SWenchao Xia info->dirty_flag = bdi.is_dirty; 230f364ec65SWenchao Xia info->has_dirty_flag = true; 231f364ec65SWenchao Xia } 232eae041feSMax Reitz info->format_specific = bdrv_get_specific_info(bs); 233eae041feSMax Reitz info->has_format_specific = info->format_specific != NULL; 234eae041feSMax Reitz 23543526ec8SWenchao Xia backing_filename = bs->backing_file; 236f364ec65SWenchao Xia if (backing_filename[0] != '\0') { 2379a29e18fSJeff Cody char *backing_filename2 = g_malloc0(PATH_MAX); 238f364ec65SWenchao Xia info->backing_filename = g_strdup(backing_filename); 239f364ec65SWenchao Xia info->has_backing_filename = true; 2409a29e18fSJeff Cody bdrv_get_full_backing_filename(bs, backing_filename2, PATH_MAX, &err); 2419f07429eSMax Reitz if (err) { 2429f07429eSMax Reitz error_propagate(errp, err); 2439f07429eSMax Reitz qapi_free_ImageInfo(info); 244564d64bdSJeff Cody g_free(backing_filename2); 2459f07429eSMax Reitz return; 2469f07429eSMax Reitz } 247f364ec65SWenchao Xia 248f364ec65SWenchao Xia if (strcmp(backing_filename, backing_filename2) != 0) { 249f364ec65SWenchao Xia info->full_backing_filename = 250f364ec65SWenchao Xia g_strdup(backing_filename2); 251f364ec65SWenchao Xia info->has_full_backing_filename = true; 252f364ec65SWenchao Xia } 253f364ec65SWenchao Xia 254f364ec65SWenchao Xia if (bs->backing_format[0]) { 255f364ec65SWenchao Xia info->backing_filename_format = g_strdup(bs->backing_format); 256f364ec65SWenchao Xia info->has_backing_filename_format = true; 257f364ec65SWenchao Xia } 258564d64bdSJeff Cody g_free(backing_filename2); 259f364ec65SWenchao Xia } 26043526ec8SWenchao Xia 26143526ec8SWenchao Xia ret = bdrv_query_snapshot_info_list(bs, &info->snapshots, &err); 26243526ec8SWenchao Xia switch (ret) { 26343526ec8SWenchao Xia case 0: 26443526ec8SWenchao Xia if (info->snapshots) { 26543526ec8SWenchao Xia info->has_snapshots = true; 26643526ec8SWenchao Xia } 26743526ec8SWenchao Xia break; 26843526ec8SWenchao Xia /* recoverable error */ 26943526ec8SWenchao Xia case -ENOMEDIUM: 27043526ec8SWenchao Xia case -ENOTSUP: 27143526ec8SWenchao Xia error_free(err); 27243526ec8SWenchao Xia break; 27343526ec8SWenchao Xia default: 27443526ec8SWenchao Xia error_propagate(errp, err); 27543526ec8SWenchao Xia qapi_free_ImageInfo(info); 27643526ec8SWenchao Xia return; 27743526ec8SWenchao Xia } 27843526ec8SWenchao Xia 27943526ec8SWenchao Xia *p_info = info; 280f364ec65SWenchao Xia } 281f364ec65SWenchao Xia 282553a7e87SWenchao Xia /* @p_info will be set only on success. */ 283d829a211SMarkus Armbruster static void bdrv_query_info(BlockBackend *blk, BlockInfo **p_info, 284553a7e87SWenchao Xia Error **errp) 285f364ec65SWenchao Xia { 286f364ec65SWenchao Xia BlockInfo *info = g_malloc0(sizeof(*info)); 287d829a211SMarkus Armbruster BlockDriverState *bs = blk_bs(blk); 288d829a211SMarkus Armbruster info->device = g_strdup(blk_name(blk)); 289f364ec65SWenchao Xia info->type = g_strdup("unknown"); 290a7f53e26SMarkus Armbruster info->locked = blk_dev_is_medium_locked(blk); 291a7f53e26SMarkus Armbruster info->removable = blk_dev_has_removable_media(blk); 292f364ec65SWenchao Xia 293a7f53e26SMarkus Armbruster if (blk_dev_has_removable_media(blk)) { 294f364ec65SWenchao Xia info->has_tray_open = true; 295a7f53e26SMarkus Armbruster info->tray_open = blk_dev_is_tray_open(blk); 296f364ec65SWenchao Xia } 297f364ec65SWenchao Xia 298f364ec65SWenchao Xia if (bdrv_iostatus_is_enabled(bs)) { 299f364ec65SWenchao Xia info->has_io_status = true; 300f364ec65SWenchao Xia info->io_status = bs->iostatus; 301f364ec65SWenchao Xia } 302f364ec65SWenchao Xia 30321b56835SFam Zheng if (!QLIST_EMPTY(&bs->dirty_bitmaps)) { 30421b56835SFam Zheng info->has_dirty_bitmaps = true; 30521b56835SFam Zheng info->dirty_bitmaps = bdrv_query_dirty_bitmaps(bs); 30621b56835SFam Zheng } 30721b56835SFam Zheng 308f364ec65SWenchao Xia if (bs->drv) { 309f364ec65SWenchao Xia info->has_inserted = true; 310*d5a8ee60SAlberto Garcia info->inserted = bdrv_block_device_info(bs, errp); 311*d5a8ee60SAlberto Garcia if (info->inserted == NULL) { 312553a7e87SWenchao Xia goto err; 313f364ec65SWenchao Xia } 314553a7e87SWenchao Xia } 315553a7e87SWenchao Xia 316553a7e87SWenchao Xia *p_info = info; 317553a7e87SWenchao Xia return; 318553a7e87SWenchao Xia 319553a7e87SWenchao Xia err: 320553a7e87SWenchao Xia qapi_free_BlockInfo(info); 321f364ec65SWenchao Xia } 322f364ec65SWenchao Xia 323f71eaa74SFam Zheng static BlockStats *bdrv_query_stats(const BlockDriverState *bs, 324f71eaa74SFam Zheng bool query_backing) 325f364ec65SWenchao Xia { 326f364ec65SWenchao Xia BlockStats *s; 327f364ec65SWenchao Xia 328f364ec65SWenchao Xia s = g_malloc0(sizeof(*s)); 329f364ec65SWenchao Xia 330bfb197e0SMarkus Armbruster if (bdrv_get_device_name(bs)[0]) { 331f364ec65SWenchao Xia s->has_device = true; 332bfb197e0SMarkus Armbruster s->device = g_strdup(bdrv_get_device_name(bs)); 333f364ec65SWenchao Xia } 334f364ec65SWenchao Xia 3354875a779SFam Zheng if (bdrv_get_node_name(bs)[0]) { 3364875a779SFam Zheng s->has_node_name = true; 3374875a779SFam Zheng s->node_name = g_strdup(bdrv_get_node_name(bs)); 3384875a779SFam Zheng } 3394875a779SFam Zheng 340f364ec65SWenchao Xia s->stats = g_malloc0(sizeof(*s->stats)); 34128298fd3SBenoît Canet s->stats->rd_bytes = bs->stats.nr_bytes[BLOCK_ACCT_READ]; 34228298fd3SBenoît Canet s->stats->wr_bytes = bs->stats.nr_bytes[BLOCK_ACCT_WRITE]; 34328298fd3SBenoît Canet s->stats->rd_operations = bs->stats.nr_ops[BLOCK_ACCT_READ]; 34428298fd3SBenoît Canet s->stats->wr_operations = bs->stats.nr_ops[BLOCK_ACCT_WRITE]; 345f4564d53SPeter Lieven s->stats->rd_merged = bs->stats.merged[BLOCK_ACCT_READ]; 346f4564d53SPeter Lieven s->stats->wr_merged = bs->stats.merged[BLOCK_ACCT_WRITE]; 3470ddd0ad9SBenoît Canet s->stats->wr_highest_offset = 3480ddd0ad9SBenoît Canet bs->stats.wr_highest_sector * BDRV_SECTOR_SIZE; 34928298fd3SBenoît Canet s->stats->flush_operations = bs->stats.nr_ops[BLOCK_ACCT_FLUSH]; 35028298fd3SBenoît Canet s->stats->wr_total_time_ns = bs->stats.total_time_ns[BLOCK_ACCT_WRITE]; 35128298fd3SBenoît Canet s->stats->rd_total_time_ns = bs->stats.total_time_ns[BLOCK_ACCT_READ]; 35228298fd3SBenoît Canet s->stats->flush_total_time_ns = bs->stats.total_time_ns[BLOCK_ACCT_FLUSH]; 353f364ec65SWenchao Xia 354f364ec65SWenchao Xia if (bs->file) { 355f364ec65SWenchao Xia s->has_parent = true; 356f71eaa74SFam Zheng s->parent = bdrv_query_stats(bs->file, query_backing); 357f364ec65SWenchao Xia } 358f364ec65SWenchao Xia 359f71eaa74SFam Zheng if (query_backing && bs->backing_hd) { 360c8059b97SFam Zheng s->has_backing = true; 361f71eaa74SFam Zheng s->backing = bdrv_query_stats(bs->backing_hd, query_backing); 362c8059b97SFam Zheng } 363c8059b97SFam Zheng 364f364ec65SWenchao Xia return s; 365f364ec65SWenchao Xia } 366f364ec65SWenchao Xia 367f364ec65SWenchao Xia BlockInfoList *qmp_query_block(Error **errp) 368f364ec65SWenchao Xia { 369f364ec65SWenchao Xia BlockInfoList *head = NULL, **p_next = &head; 370d829a211SMarkus Armbruster BlockBackend *blk; 371553a7e87SWenchao Xia Error *local_err = NULL; 372f364ec65SWenchao Xia 373d829a211SMarkus Armbruster for (blk = blk_next(NULL); blk; blk = blk_next(blk)) { 374f364ec65SWenchao Xia BlockInfoList *info = g_malloc0(sizeof(*info)); 375d829a211SMarkus Armbruster bdrv_query_info(blk, &info->value, &local_err); 37684d18f06SMarkus Armbruster if (local_err) { 377553a7e87SWenchao Xia error_propagate(errp, local_err); 378553a7e87SWenchao Xia goto err; 379553a7e87SWenchao Xia } 380f364ec65SWenchao Xia 381f364ec65SWenchao Xia *p_next = info; 382f364ec65SWenchao Xia p_next = &info->next; 383f364ec65SWenchao Xia } 384f364ec65SWenchao Xia 385f364ec65SWenchao Xia return head; 386553a7e87SWenchao Xia 387553a7e87SWenchao Xia err: 388553a7e87SWenchao Xia qapi_free_BlockInfoList(head); 389553a7e87SWenchao Xia return NULL; 390f364ec65SWenchao Xia } 391f364ec65SWenchao Xia 392f71eaa74SFam Zheng BlockStatsList *qmp_query_blockstats(bool has_query_nodes, 393f71eaa74SFam Zheng bool query_nodes, 394f71eaa74SFam Zheng Error **errp) 395f364ec65SWenchao Xia { 396f364ec65SWenchao Xia BlockStatsList *head = NULL, **p_next = &head; 397f364ec65SWenchao Xia BlockDriverState *bs = NULL; 398f364ec65SWenchao Xia 399f71eaa74SFam Zheng /* Just to be safe if query_nodes is not always initialized */ 400f71eaa74SFam Zheng query_nodes = has_query_nodes && query_nodes; 401f71eaa74SFam Zheng 402f71eaa74SFam Zheng while ((bs = query_nodes ? bdrv_next_node(bs) : bdrv_next(bs))) { 403f364ec65SWenchao Xia BlockStatsList *info = g_malloc0(sizeof(*info)); 40413344f3aSStefan Hajnoczi AioContext *ctx = bdrv_get_aio_context(bs); 40513344f3aSStefan Hajnoczi 40613344f3aSStefan Hajnoczi aio_context_acquire(ctx); 407f71eaa74SFam Zheng info->value = bdrv_query_stats(bs, !query_nodes); 40813344f3aSStefan Hajnoczi aio_context_release(ctx); 409f364ec65SWenchao Xia 410f364ec65SWenchao Xia *p_next = info; 411f364ec65SWenchao Xia p_next = &info->next; 412f364ec65SWenchao Xia } 413f364ec65SWenchao Xia 414f364ec65SWenchao Xia return head; 415f364ec65SWenchao Xia } 416f364ec65SWenchao Xia 417f364ec65SWenchao Xia #define NB_SUFFIXES 4 418f364ec65SWenchao Xia 419f364ec65SWenchao Xia static char *get_human_readable_size(char *buf, int buf_size, int64_t size) 420f364ec65SWenchao Xia { 4212c20fa2cSStefan Weil static const char suffixes[NB_SUFFIXES] = {'K', 'M', 'G', 'T'}; 422f364ec65SWenchao Xia int64_t base; 423f364ec65SWenchao Xia int i; 424f364ec65SWenchao Xia 425f364ec65SWenchao Xia if (size <= 999) { 426f364ec65SWenchao Xia snprintf(buf, buf_size, "%" PRId64, size); 427f364ec65SWenchao Xia } else { 428f364ec65SWenchao Xia base = 1024; 429f364ec65SWenchao Xia for (i = 0; i < NB_SUFFIXES; i++) { 430f364ec65SWenchao Xia if (size < (10 * base)) { 431f364ec65SWenchao Xia snprintf(buf, buf_size, "%0.1f%c", 432f364ec65SWenchao Xia (double)size / base, 433f364ec65SWenchao Xia suffixes[i]); 434f364ec65SWenchao Xia break; 435f364ec65SWenchao Xia } else if (size < (1000 * base) || i == (NB_SUFFIXES - 1)) { 436f364ec65SWenchao Xia snprintf(buf, buf_size, "%" PRId64 "%c", 437f364ec65SWenchao Xia ((size + (base >> 1)) / base), 438f364ec65SWenchao Xia suffixes[i]); 439f364ec65SWenchao Xia break; 440f364ec65SWenchao Xia } 441f364ec65SWenchao Xia base = base * 1024; 442f364ec65SWenchao Xia } 443f364ec65SWenchao Xia } 444f364ec65SWenchao Xia return buf; 445f364ec65SWenchao Xia } 446f364ec65SWenchao Xia 4475b917044SWenchao Xia void bdrv_snapshot_dump(fprintf_function func_fprintf, void *f, 4485b917044SWenchao Xia QEMUSnapshotInfo *sn) 449f364ec65SWenchao Xia { 450f364ec65SWenchao Xia char buf1[128], date_buf[128], clock_buf[128]; 451f364ec65SWenchao Xia struct tm tm; 452f364ec65SWenchao Xia time_t ti; 453f364ec65SWenchao Xia int64_t secs; 454f364ec65SWenchao Xia 455f364ec65SWenchao Xia if (!sn) { 4565b917044SWenchao Xia func_fprintf(f, 457f364ec65SWenchao Xia "%-10s%-20s%7s%20s%15s", 458f364ec65SWenchao Xia "ID", "TAG", "VM SIZE", "DATE", "VM CLOCK"); 459f364ec65SWenchao Xia } else { 460f364ec65SWenchao Xia ti = sn->date_sec; 461f364ec65SWenchao Xia localtime_r(&ti, &tm); 462f364ec65SWenchao Xia strftime(date_buf, sizeof(date_buf), 463f364ec65SWenchao Xia "%Y-%m-%d %H:%M:%S", &tm); 464f364ec65SWenchao Xia secs = sn->vm_clock_nsec / 1000000000; 465f364ec65SWenchao Xia snprintf(clock_buf, sizeof(clock_buf), 466f364ec65SWenchao Xia "%02d:%02d:%02d.%03d", 467f364ec65SWenchao Xia (int)(secs / 3600), 468f364ec65SWenchao Xia (int)((secs / 60) % 60), 469f364ec65SWenchao Xia (int)(secs % 60), 470f364ec65SWenchao Xia (int)((sn->vm_clock_nsec / 1000000) % 1000)); 4715b917044SWenchao Xia func_fprintf(f, 472f364ec65SWenchao Xia "%-10s%-20s%7s%20s%15s", 473f364ec65SWenchao Xia sn->id_str, sn->name, 4745b917044SWenchao Xia get_human_readable_size(buf1, sizeof(buf1), 4755b917044SWenchao Xia sn->vm_state_size), 476f364ec65SWenchao Xia date_buf, 477f364ec65SWenchao Xia clock_buf); 478f364ec65SWenchao Xia } 479f364ec65SWenchao Xia } 480f364ec65SWenchao Xia 481a8d8ecb7SMax Reitz static void dump_qdict(fprintf_function func_fprintf, void *f, int indentation, 482a8d8ecb7SMax Reitz QDict *dict); 483a8d8ecb7SMax Reitz static void dump_qlist(fprintf_function func_fprintf, void *f, int indentation, 484a8d8ecb7SMax Reitz QList *list); 485a8d8ecb7SMax Reitz 486a8d8ecb7SMax Reitz static void dump_qobject(fprintf_function func_fprintf, void *f, 487a8d8ecb7SMax Reitz int comp_indent, QObject *obj) 488a8d8ecb7SMax Reitz { 489a8d8ecb7SMax Reitz switch (qobject_type(obj)) { 490a8d8ecb7SMax Reitz case QTYPE_QINT: { 491a8d8ecb7SMax Reitz QInt *value = qobject_to_qint(obj); 492a8d8ecb7SMax Reitz func_fprintf(f, "%" PRId64, qint_get_int(value)); 493a8d8ecb7SMax Reitz break; 494a8d8ecb7SMax Reitz } 495a8d8ecb7SMax Reitz case QTYPE_QSTRING: { 496a8d8ecb7SMax Reitz QString *value = qobject_to_qstring(obj); 497a8d8ecb7SMax Reitz func_fprintf(f, "%s", qstring_get_str(value)); 498a8d8ecb7SMax Reitz break; 499a8d8ecb7SMax Reitz } 500a8d8ecb7SMax Reitz case QTYPE_QDICT: { 501a8d8ecb7SMax Reitz QDict *value = qobject_to_qdict(obj); 502a8d8ecb7SMax Reitz dump_qdict(func_fprintf, f, comp_indent, value); 503a8d8ecb7SMax Reitz break; 504a8d8ecb7SMax Reitz } 505a8d8ecb7SMax Reitz case QTYPE_QLIST: { 506a8d8ecb7SMax Reitz QList *value = qobject_to_qlist(obj); 507a8d8ecb7SMax Reitz dump_qlist(func_fprintf, f, comp_indent, value); 508a8d8ecb7SMax Reitz break; 509a8d8ecb7SMax Reitz } 510a8d8ecb7SMax Reitz case QTYPE_QFLOAT: { 511a8d8ecb7SMax Reitz QFloat *value = qobject_to_qfloat(obj); 512a8d8ecb7SMax Reitz func_fprintf(f, "%g", qfloat_get_double(value)); 513a8d8ecb7SMax Reitz break; 514a8d8ecb7SMax Reitz } 515a8d8ecb7SMax Reitz case QTYPE_QBOOL: { 516a8d8ecb7SMax Reitz QBool *value = qobject_to_qbool(obj); 517a8d8ecb7SMax Reitz func_fprintf(f, "%s", qbool_get_int(value) ? "true" : "false"); 518a8d8ecb7SMax Reitz break; 519a8d8ecb7SMax Reitz } 520a8d8ecb7SMax Reitz case QTYPE_QERROR: { 521a8d8ecb7SMax Reitz QString *value = qerror_human((QError *)obj); 522a8d8ecb7SMax Reitz func_fprintf(f, "%s", qstring_get_str(value)); 523f25391c2SMarkus Armbruster QDECREF(value); 524a8d8ecb7SMax Reitz break; 525a8d8ecb7SMax Reitz } 526a8d8ecb7SMax Reitz case QTYPE_NONE: 527a8d8ecb7SMax Reitz break; 528a8d8ecb7SMax Reitz case QTYPE_MAX: 529a8d8ecb7SMax Reitz default: 530a8d8ecb7SMax Reitz abort(); 531a8d8ecb7SMax Reitz } 532a8d8ecb7SMax Reitz } 533a8d8ecb7SMax Reitz 534a8d8ecb7SMax Reitz static void dump_qlist(fprintf_function func_fprintf, void *f, int indentation, 535a8d8ecb7SMax Reitz QList *list) 536a8d8ecb7SMax Reitz { 537a8d8ecb7SMax Reitz const QListEntry *entry; 538a8d8ecb7SMax Reitz int i = 0; 539a8d8ecb7SMax Reitz 540a8d8ecb7SMax Reitz for (entry = qlist_first(list); entry; entry = qlist_next(entry), i++) { 541a8d8ecb7SMax Reitz qtype_code type = qobject_type(entry->value); 542a8d8ecb7SMax Reitz bool composite = (type == QTYPE_QDICT || type == QTYPE_QLIST); 543a8d8ecb7SMax Reitz const char *format = composite ? "%*s[%i]:\n" : "%*s[%i]: "; 544a8d8ecb7SMax Reitz 545a8d8ecb7SMax Reitz func_fprintf(f, format, indentation * 4, "", i); 546a8d8ecb7SMax Reitz dump_qobject(func_fprintf, f, indentation + 1, entry->value); 547a8d8ecb7SMax Reitz if (!composite) { 548a8d8ecb7SMax Reitz func_fprintf(f, "\n"); 549a8d8ecb7SMax Reitz } 550a8d8ecb7SMax Reitz } 551a8d8ecb7SMax Reitz } 552a8d8ecb7SMax Reitz 553a8d8ecb7SMax Reitz static void dump_qdict(fprintf_function func_fprintf, void *f, int indentation, 554a8d8ecb7SMax Reitz QDict *dict) 555a8d8ecb7SMax Reitz { 556a8d8ecb7SMax Reitz const QDictEntry *entry; 557a8d8ecb7SMax Reitz 558a8d8ecb7SMax Reitz for (entry = qdict_first(dict); entry; entry = qdict_next(dict, entry)) { 559a8d8ecb7SMax Reitz qtype_code type = qobject_type(entry->value); 560a8d8ecb7SMax Reitz bool composite = (type == QTYPE_QDICT || type == QTYPE_QLIST); 561a8d8ecb7SMax Reitz const char *format = composite ? "%*s%s:\n" : "%*s%s: "; 562a8d8ecb7SMax Reitz char key[strlen(entry->key) + 1]; 563a8d8ecb7SMax Reitz int i; 564a8d8ecb7SMax Reitz 565a8d8ecb7SMax Reitz /* replace dashes with spaces in key (variable) names */ 566a8d8ecb7SMax Reitz for (i = 0; entry->key[i]; i++) { 567a8d8ecb7SMax Reitz key[i] = entry->key[i] == '-' ? ' ' : entry->key[i]; 568a8d8ecb7SMax Reitz } 569a8d8ecb7SMax Reitz key[i] = 0; 570a8d8ecb7SMax Reitz 571a8d8ecb7SMax Reitz func_fprintf(f, format, indentation * 4, "", key); 572a8d8ecb7SMax Reitz dump_qobject(func_fprintf, f, indentation + 1, entry->value); 573a8d8ecb7SMax Reitz if (!composite) { 574a8d8ecb7SMax Reitz func_fprintf(f, "\n"); 575a8d8ecb7SMax Reitz } 576a8d8ecb7SMax Reitz } 577a8d8ecb7SMax Reitz } 578a8d8ecb7SMax Reitz 579a8d8ecb7SMax Reitz void bdrv_image_info_specific_dump(fprintf_function func_fprintf, void *f, 580a8d8ecb7SMax Reitz ImageInfoSpecific *info_spec) 581a8d8ecb7SMax Reitz { 582a8d8ecb7SMax Reitz QmpOutputVisitor *ov = qmp_output_visitor_new(); 583a8d8ecb7SMax Reitz QObject *obj, *data; 584a8d8ecb7SMax Reitz 585a8d8ecb7SMax Reitz visit_type_ImageInfoSpecific(qmp_output_get_visitor(ov), &info_spec, NULL, 58635d0d40aSMax Reitz &error_abort); 587a8d8ecb7SMax Reitz obj = qmp_output_get_qobject(ov); 588a8d8ecb7SMax Reitz assert(qobject_type(obj) == QTYPE_QDICT); 589a8d8ecb7SMax Reitz data = qdict_get(qobject_to_qdict(obj), "data"); 590a8d8ecb7SMax Reitz dump_qobject(func_fprintf, f, 1, data); 591a8d8ecb7SMax Reitz qmp_output_visitor_cleanup(ov); 592a8d8ecb7SMax Reitz } 593a8d8ecb7SMax Reitz 5945b917044SWenchao Xia void bdrv_image_info_dump(fprintf_function func_fprintf, void *f, 5955b917044SWenchao Xia ImageInfo *info) 596f364ec65SWenchao Xia { 597f364ec65SWenchao Xia char size_buf[128], dsize_buf[128]; 598f364ec65SWenchao Xia if (!info->has_actual_size) { 599f364ec65SWenchao Xia snprintf(dsize_buf, sizeof(dsize_buf), "unavailable"); 600f364ec65SWenchao Xia } else { 601f364ec65SWenchao Xia get_human_readable_size(dsize_buf, sizeof(dsize_buf), 602f364ec65SWenchao Xia info->actual_size); 603f364ec65SWenchao Xia } 604f364ec65SWenchao Xia get_human_readable_size(size_buf, sizeof(size_buf), info->virtual_size); 6055b917044SWenchao Xia func_fprintf(f, 6065b917044SWenchao Xia "image: %s\n" 607f364ec65SWenchao Xia "file format: %s\n" 608f364ec65SWenchao Xia "virtual size: %s (%" PRId64 " bytes)\n" 609f364ec65SWenchao Xia "disk size: %s\n", 610f364ec65SWenchao Xia info->filename, info->format, size_buf, 611f364ec65SWenchao Xia info->virtual_size, 612f364ec65SWenchao Xia dsize_buf); 613f364ec65SWenchao Xia 614f364ec65SWenchao Xia if (info->has_encrypted && info->encrypted) { 6155b917044SWenchao Xia func_fprintf(f, "encrypted: yes\n"); 616f364ec65SWenchao Xia } 617f364ec65SWenchao Xia 618f364ec65SWenchao Xia if (info->has_cluster_size) { 6195b917044SWenchao Xia func_fprintf(f, "cluster_size: %" PRId64 "\n", 6205b917044SWenchao Xia info->cluster_size); 621f364ec65SWenchao Xia } 622f364ec65SWenchao Xia 623f364ec65SWenchao Xia if (info->has_dirty_flag && info->dirty_flag) { 6245b917044SWenchao Xia func_fprintf(f, "cleanly shut down: no\n"); 625f364ec65SWenchao Xia } 626f364ec65SWenchao Xia 627f364ec65SWenchao Xia if (info->has_backing_filename) { 6285b917044SWenchao Xia func_fprintf(f, "backing file: %s", info->backing_filename); 629f364ec65SWenchao Xia if (info->has_full_backing_filename) { 6305b917044SWenchao Xia func_fprintf(f, " (actual path: %s)", info->full_backing_filename); 631f364ec65SWenchao Xia } 6325b917044SWenchao Xia func_fprintf(f, "\n"); 633f364ec65SWenchao Xia if (info->has_backing_filename_format) { 6345b917044SWenchao Xia func_fprintf(f, "backing file format: %s\n", 6355b917044SWenchao Xia info->backing_filename_format); 636f364ec65SWenchao Xia } 637f364ec65SWenchao Xia } 638f364ec65SWenchao Xia 639f364ec65SWenchao Xia if (info->has_snapshots) { 640f364ec65SWenchao Xia SnapshotInfoList *elem; 641f364ec65SWenchao Xia 6425b917044SWenchao Xia func_fprintf(f, "Snapshot list:\n"); 6435b917044SWenchao Xia bdrv_snapshot_dump(func_fprintf, f, NULL); 6445b917044SWenchao Xia func_fprintf(f, "\n"); 645f364ec65SWenchao Xia 646f364ec65SWenchao Xia /* Ideally bdrv_snapshot_dump() would operate on SnapshotInfoList but 647f364ec65SWenchao Xia * we convert to the block layer's native QEMUSnapshotInfo for now. 648f364ec65SWenchao Xia */ 649f364ec65SWenchao Xia for (elem = info->snapshots; elem; elem = elem->next) { 650f364ec65SWenchao Xia QEMUSnapshotInfo sn = { 651f364ec65SWenchao Xia .vm_state_size = elem->value->vm_state_size, 652f364ec65SWenchao Xia .date_sec = elem->value->date_sec, 653f364ec65SWenchao Xia .date_nsec = elem->value->date_nsec, 654f364ec65SWenchao Xia .vm_clock_nsec = elem->value->vm_clock_sec * 1000000000ULL + 655f364ec65SWenchao Xia elem->value->vm_clock_nsec, 656f364ec65SWenchao Xia }; 657f364ec65SWenchao Xia 658f364ec65SWenchao Xia pstrcpy(sn.id_str, sizeof(sn.id_str), elem->value->id); 659f364ec65SWenchao Xia pstrcpy(sn.name, sizeof(sn.name), elem->value->name); 6605b917044SWenchao Xia bdrv_snapshot_dump(func_fprintf, f, &sn); 6615b917044SWenchao Xia func_fprintf(f, "\n"); 662f364ec65SWenchao Xia } 663f364ec65SWenchao Xia } 664a8d8ecb7SMax Reitz 665a8d8ecb7SMax Reitz if (info->has_format_specific) { 666a8d8ecb7SMax Reitz func_fprintf(f, "Format specific information:\n"); 667a8d8ecb7SMax Reitz bdrv_image_info_specific_dump(func_fprintf, f, info->format_specific); 668a8d8ecb7SMax Reitz } 669f364ec65SWenchao Xia } 670