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" 2776f4afb4SAlberto Garcia #include "block/throttle-groups.h" 28e2462113SFrancesco Romani #include "block/write-threshold.h" 29f364ec65SWenchao Xia #include "qmp-commands.h" 30a8d8ecb7SMax Reitz #include "qapi-visit.h" 31a8d8ecb7SMax Reitz #include "qapi/qmp-output-visitor.h" 32a8d8ecb7SMax Reitz #include "qapi/qmp/types.h" 33d829a211SMarkus Armbruster #include "sysemu/block-backend.h" 34f364ec65SWenchao Xia 35d5a8ee60SAlberto Garcia BlockDeviceInfo *bdrv_block_device_info(BlockDriverState *bs, Error **errp) 36c13163fbSBenoît Canet { 37d5a8ee60SAlberto Garcia ImageInfo **p_image_info; 38d5a8ee60SAlberto Garcia BlockDriverState *bs0; 39c13163fbSBenoît Canet BlockDeviceInfo *info = g_malloc0(sizeof(*info)); 40c13163fbSBenoît Canet 41c13163fbSBenoît Canet info->file = g_strdup(bs->filename); 42c13163fbSBenoît Canet info->ro = bs->read_only; 43c13163fbSBenoît Canet info->drv = g_strdup(bs->drv->format_name); 44c13163fbSBenoît Canet info->encrypted = bs->encrypted; 45c13163fbSBenoît Canet info->encryption_key_missing = bdrv_key_required(bs); 46c13163fbSBenoît Canet 479e193c5aSKevin Wolf info->cache = g_new(BlockdevCacheInfo, 1); 489e193c5aSKevin Wolf *info->cache = (BlockdevCacheInfo) { 499e193c5aSKevin Wolf .writeback = bdrv_enable_write_cache(bs), 509e193c5aSKevin Wolf .direct = !!(bs->open_flags & BDRV_O_NOCACHE), 519e193c5aSKevin Wolf .no_flush = !!(bs->open_flags & BDRV_O_NO_FLUSH), 529e193c5aSKevin Wolf }; 539e193c5aSKevin Wolf 54c13163fbSBenoît Canet if (bs->node_name[0]) { 55c13163fbSBenoît Canet info->has_node_name = true; 56c13163fbSBenoît Canet info->node_name = g_strdup(bs->node_name); 57c13163fbSBenoît Canet } 58c13163fbSBenoît Canet 59c13163fbSBenoît Canet if (bs->backing_file[0]) { 60c13163fbSBenoît Canet info->has_backing_file = true; 61c13163fbSBenoît Canet info->backing_file = g_strdup(bs->backing_file); 62c13163fbSBenoît Canet } 63c13163fbSBenoît Canet 64c13163fbSBenoît Canet info->backing_file_depth = bdrv_get_backing_file_depth(bs); 65465bee1dSPeter Lieven info->detect_zeroes = bs->detect_zeroes; 66c13163fbSBenoît Canet 67a0d64a61SAlberto Garcia if (bs->throttle_state) { 68c13163fbSBenoît Canet ThrottleConfig cfg; 6976f4afb4SAlberto Garcia 7076f4afb4SAlberto Garcia throttle_group_get_config(bs, &cfg); 7176f4afb4SAlberto Garcia 72c13163fbSBenoît Canet info->bps = cfg.buckets[THROTTLE_BPS_TOTAL].avg; 73c13163fbSBenoît Canet info->bps_rd = cfg.buckets[THROTTLE_BPS_READ].avg; 74c13163fbSBenoît Canet info->bps_wr = cfg.buckets[THROTTLE_BPS_WRITE].avg; 75c13163fbSBenoît Canet 76c13163fbSBenoît Canet info->iops = cfg.buckets[THROTTLE_OPS_TOTAL].avg; 77c13163fbSBenoît Canet info->iops_rd = cfg.buckets[THROTTLE_OPS_READ].avg; 78c13163fbSBenoît Canet info->iops_wr = cfg.buckets[THROTTLE_OPS_WRITE].avg; 79c13163fbSBenoît Canet 80c13163fbSBenoît Canet info->has_bps_max = cfg.buckets[THROTTLE_BPS_TOTAL].max; 81c13163fbSBenoît Canet info->bps_max = cfg.buckets[THROTTLE_BPS_TOTAL].max; 82c13163fbSBenoît Canet info->has_bps_rd_max = cfg.buckets[THROTTLE_BPS_READ].max; 83c13163fbSBenoît Canet info->bps_rd_max = cfg.buckets[THROTTLE_BPS_READ].max; 84c13163fbSBenoît Canet info->has_bps_wr_max = cfg.buckets[THROTTLE_BPS_WRITE].max; 85c13163fbSBenoît Canet info->bps_wr_max = cfg.buckets[THROTTLE_BPS_WRITE].max; 86c13163fbSBenoît Canet 87c13163fbSBenoît Canet info->has_iops_max = cfg.buckets[THROTTLE_OPS_TOTAL].max; 88c13163fbSBenoît Canet info->iops_max = cfg.buckets[THROTTLE_OPS_TOTAL].max; 89c13163fbSBenoît Canet info->has_iops_rd_max = cfg.buckets[THROTTLE_OPS_READ].max; 90c13163fbSBenoît Canet info->iops_rd_max = cfg.buckets[THROTTLE_OPS_READ].max; 91c13163fbSBenoît Canet info->has_iops_wr_max = cfg.buckets[THROTTLE_OPS_WRITE].max; 92c13163fbSBenoît Canet info->iops_wr_max = cfg.buckets[THROTTLE_OPS_WRITE].max; 93c13163fbSBenoît Canet 94c13163fbSBenoît Canet info->has_iops_size = cfg.op_size; 95c13163fbSBenoît Canet info->iops_size = cfg.op_size; 96b8fe1694SAlberto Garcia 97b8fe1694SAlberto Garcia info->has_group = true; 98b8fe1694SAlberto Garcia info->group = g_strdup(throttle_group_get_name(bs)); 99c13163fbSBenoît Canet } 100c13163fbSBenoît Canet 101e2462113SFrancesco Romani info->write_threshold = bdrv_write_threshold_get(bs); 102e2462113SFrancesco Romani 103d5a8ee60SAlberto Garcia bs0 = bs; 104d5a8ee60SAlberto Garcia p_image_info = &info->image; 105d5a8ee60SAlberto Garcia while (1) { 106d5a8ee60SAlberto Garcia Error *local_err = NULL; 107d5a8ee60SAlberto Garcia bdrv_query_image_info(bs0, p_image_info, &local_err); 108d5a8ee60SAlberto Garcia if (local_err) { 109d5a8ee60SAlberto Garcia error_propagate(errp, local_err); 110d5a8ee60SAlberto Garcia qapi_free_BlockDeviceInfo(info); 111d5a8ee60SAlberto Garcia return NULL; 112d5a8ee60SAlberto Garcia } 113760e0063SKevin Wolf if (bs0->drv && bs0->backing) { 114760e0063SKevin Wolf bs0 = bs0->backing->bs; 115d5a8ee60SAlberto Garcia (*p_image_info)->has_backing_image = true; 116d5a8ee60SAlberto Garcia p_image_info = &((*p_image_info)->backing_image); 117d5a8ee60SAlberto Garcia } else { 118d5a8ee60SAlberto Garcia break; 119d5a8ee60SAlberto Garcia } 120d5a8ee60SAlberto Garcia } 121d5a8ee60SAlberto Garcia 122c13163fbSBenoît Canet return info; 123c13163fbSBenoît Canet } 124c13163fbSBenoît Canet 125fb0ed453SWenchao Xia /* 126fb0ed453SWenchao Xia * Returns 0 on success, with *p_list either set to describe snapshot 127fb0ed453SWenchao Xia * information, or NULL because there are no snapshots. Returns -errno on 128fb0ed453SWenchao Xia * error, with *p_list untouched. 129fb0ed453SWenchao Xia */ 130fb0ed453SWenchao Xia int bdrv_query_snapshot_info_list(BlockDriverState *bs, 131fb0ed453SWenchao Xia SnapshotInfoList **p_list, 132fb0ed453SWenchao Xia Error **errp) 133f364ec65SWenchao Xia { 134f364ec65SWenchao Xia int i, sn_count; 135f364ec65SWenchao Xia QEMUSnapshotInfo *sn_tab = NULL; 136fb0ed453SWenchao Xia SnapshotInfoList *info_list, *cur_item = NULL, *head = NULL; 137fb0ed453SWenchao Xia SnapshotInfo *info; 138fb0ed453SWenchao Xia 139f364ec65SWenchao Xia sn_count = bdrv_snapshot_list(bs, &sn_tab); 140fb0ed453SWenchao Xia if (sn_count < 0) { 141fb0ed453SWenchao Xia const char *dev = bdrv_get_device_name(bs); 142fb0ed453SWenchao Xia switch (sn_count) { 143fb0ed453SWenchao Xia case -ENOMEDIUM: 144fb0ed453SWenchao Xia error_setg(errp, "Device '%s' is not inserted", dev); 145fb0ed453SWenchao Xia break; 146fb0ed453SWenchao Xia case -ENOTSUP: 147fb0ed453SWenchao Xia error_setg(errp, 148fb0ed453SWenchao Xia "Device '%s' does not support internal snapshots", 149fb0ed453SWenchao Xia dev); 150fb0ed453SWenchao Xia break; 151fb0ed453SWenchao Xia default: 152fb0ed453SWenchao Xia error_setg_errno(errp, -sn_count, 153fb0ed453SWenchao Xia "Can't list snapshots of device '%s'", dev); 154fb0ed453SWenchao Xia break; 155fb0ed453SWenchao Xia } 156fb0ed453SWenchao Xia return sn_count; 157fb0ed453SWenchao Xia } 158f364ec65SWenchao Xia 159f364ec65SWenchao Xia for (i = 0; i < sn_count; i++) { 160fb0ed453SWenchao Xia info = g_new0(SnapshotInfo, 1); 161fb0ed453SWenchao Xia info->id = g_strdup(sn_tab[i].id_str); 162fb0ed453SWenchao Xia info->name = g_strdup(sn_tab[i].name); 163fb0ed453SWenchao Xia info->vm_state_size = sn_tab[i].vm_state_size; 164fb0ed453SWenchao Xia info->date_sec = sn_tab[i].date_sec; 165fb0ed453SWenchao Xia info->date_nsec = sn_tab[i].date_nsec; 166fb0ed453SWenchao Xia info->vm_clock_sec = sn_tab[i].vm_clock_nsec / 1000000000; 167fb0ed453SWenchao Xia info->vm_clock_nsec = sn_tab[i].vm_clock_nsec % 1000000000; 168f364ec65SWenchao Xia 169fb0ed453SWenchao Xia info_list = g_new0(SnapshotInfoList, 1); 170fb0ed453SWenchao Xia info_list->value = info; 171f364ec65SWenchao Xia 172f364ec65SWenchao Xia /* XXX: waiting for the qapi to support qemu-queue.h types */ 173f364ec65SWenchao Xia if (!cur_item) { 174fb0ed453SWenchao Xia head = cur_item = info_list; 175f364ec65SWenchao Xia } else { 176f364ec65SWenchao Xia cur_item->next = info_list; 177f364ec65SWenchao Xia cur_item = info_list; 178f364ec65SWenchao Xia } 179f364ec65SWenchao Xia 180f364ec65SWenchao Xia } 181f364ec65SWenchao Xia 182f364ec65SWenchao Xia g_free(sn_tab); 183fb0ed453SWenchao Xia *p_list = head; 184fb0ed453SWenchao Xia return 0; 185f364ec65SWenchao Xia } 186f364ec65SWenchao Xia 18743526ec8SWenchao Xia /** 18843526ec8SWenchao Xia * bdrv_query_image_info: 18943526ec8SWenchao Xia * @bs: block device to examine 19043526ec8SWenchao Xia * @p_info: location to store image information 19143526ec8SWenchao Xia * @errp: location to store error information 19243526ec8SWenchao Xia * 193553a7e87SWenchao Xia * Store "flat" image information in @p_info. 194553a7e87SWenchao Xia * 195553a7e87SWenchao Xia * "Flat" means it does *not* query backing image information, 196553a7e87SWenchao Xia * i.e. (*pinfo)->has_backing_image will be set to false and 197553a7e87SWenchao Xia * (*pinfo)->backing_image to NULL even when the image does in fact have 198553a7e87SWenchao Xia * a backing image. 199553a7e87SWenchao Xia * 20043526ec8SWenchao Xia * @p_info will be set only on success. On error, store error in @errp. 20143526ec8SWenchao Xia */ 20243526ec8SWenchao Xia void bdrv_query_image_info(BlockDriverState *bs, 20343526ec8SWenchao Xia ImageInfo **p_info, 20443526ec8SWenchao Xia Error **errp) 205f364ec65SWenchao Xia { 20652bf1e72SMarkus Armbruster int64_t size; 20743526ec8SWenchao Xia const char *backing_filename; 208f364ec65SWenchao Xia BlockDriverInfo bdi; 20943526ec8SWenchao Xia int ret; 21043526ec8SWenchao Xia Error *err = NULL; 21152bf1e72SMarkus Armbruster ImageInfo *info; 212f364ec65SWenchao Xia 21352bf1e72SMarkus Armbruster size = bdrv_getlength(bs); 21452bf1e72SMarkus Armbruster if (size < 0) { 21552bf1e72SMarkus Armbruster error_setg_errno(errp, -size, "Can't get size of device '%s'", 21652bf1e72SMarkus Armbruster bdrv_get_device_name(bs)); 21752bf1e72SMarkus Armbruster return; 21852bf1e72SMarkus Armbruster } 219f364ec65SWenchao Xia 22052bf1e72SMarkus Armbruster info = g_new0(ImageInfo, 1); 22143526ec8SWenchao Xia info->filename = g_strdup(bs->filename); 222f364ec65SWenchao Xia info->format = g_strdup(bdrv_get_format_name(bs)); 22352bf1e72SMarkus Armbruster info->virtual_size = size; 224f364ec65SWenchao Xia info->actual_size = bdrv_get_allocated_file_size(bs); 225f364ec65SWenchao Xia info->has_actual_size = info->actual_size >= 0; 226f364ec65SWenchao Xia if (bdrv_is_encrypted(bs)) { 227f364ec65SWenchao Xia info->encrypted = true; 228f364ec65SWenchao Xia info->has_encrypted = true; 229f364ec65SWenchao Xia } 230f364ec65SWenchao Xia if (bdrv_get_info(bs, &bdi) >= 0) { 231f364ec65SWenchao Xia if (bdi.cluster_size != 0) { 232f364ec65SWenchao Xia info->cluster_size = bdi.cluster_size; 233f364ec65SWenchao Xia info->has_cluster_size = true; 234f364ec65SWenchao Xia } 235f364ec65SWenchao Xia info->dirty_flag = bdi.is_dirty; 236f364ec65SWenchao Xia info->has_dirty_flag = true; 237f364ec65SWenchao Xia } 238eae041feSMax Reitz info->format_specific = bdrv_get_specific_info(bs); 239eae041feSMax Reitz info->has_format_specific = info->format_specific != NULL; 240eae041feSMax Reitz 24143526ec8SWenchao Xia backing_filename = bs->backing_file; 242f364ec65SWenchao Xia if (backing_filename[0] != '\0') { 2439a29e18fSJeff Cody char *backing_filename2 = g_malloc0(PATH_MAX); 244f364ec65SWenchao Xia info->backing_filename = g_strdup(backing_filename); 245f364ec65SWenchao Xia info->has_backing_filename = true; 2469a29e18fSJeff Cody bdrv_get_full_backing_filename(bs, backing_filename2, PATH_MAX, &err); 2479f07429eSMax Reitz if (err) { 2489f07429eSMax Reitz error_propagate(errp, err); 2499f07429eSMax Reitz qapi_free_ImageInfo(info); 250564d64bdSJeff Cody g_free(backing_filename2); 2519f07429eSMax Reitz return; 2529f07429eSMax Reitz } 253f364ec65SWenchao Xia 254f364ec65SWenchao Xia if (strcmp(backing_filename, backing_filename2) != 0) { 255f364ec65SWenchao Xia info->full_backing_filename = 256f364ec65SWenchao Xia g_strdup(backing_filename2); 257f364ec65SWenchao Xia info->has_full_backing_filename = true; 258f364ec65SWenchao Xia } 259f364ec65SWenchao Xia 260f364ec65SWenchao Xia if (bs->backing_format[0]) { 261f364ec65SWenchao Xia info->backing_filename_format = g_strdup(bs->backing_format); 262f364ec65SWenchao Xia info->has_backing_filename_format = true; 263f364ec65SWenchao Xia } 264564d64bdSJeff Cody g_free(backing_filename2); 265f364ec65SWenchao Xia } 26643526ec8SWenchao Xia 26743526ec8SWenchao Xia ret = bdrv_query_snapshot_info_list(bs, &info->snapshots, &err); 26843526ec8SWenchao Xia switch (ret) { 26943526ec8SWenchao Xia case 0: 27043526ec8SWenchao Xia if (info->snapshots) { 27143526ec8SWenchao Xia info->has_snapshots = true; 27243526ec8SWenchao Xia } 27343526ec8SWenchao Xia break; 27443526ec8SWenchao Xia /* recoverable error */ 27543526ec8SWenchao Xia case -ENOMEDIUM: 27643526ec8SWenchao Xia case -ENOTSUP: 27743526ec8SWenchao Xia error_free(err); 27843526ec8SWenchao Xia break; 27943526ec8SWenchao Xia default: 28043526ec8SWenchao Xia error_propagate(errp, err); 28143526ec8SWenchao Xia qapi_free_ImageInfo(info); 28243526ec8SWenchao Xia return; 28343526ec8SWenchao Xia } 28443526ec8SWenchao Xia 28543526ec8SWenchao Xia *p_info = info; 286f364ec65SWenchao Xia } 287f364ec65SWenchao Xia 288553a7e87SWenchao Xia /* @p_info will be set only on success. */ 289d829a211SMarkus Armbruster static void bdrv_query_info(BlockBackend *blk, BlockInfo **p_info, 290553a7e87SWenchao Xia Error **errp) 291f364ec65SWenchao Xia { 292f364ec65SWenchao Xia BlockInfo *info = g_malloc0(sizeof(*info)); 293d829a211SMarkus Armbruster BlockDriverState *bs = blk_bs(blk); 294d829a211SMarkus Armbruster info->device = g_strdup(blk_name(blk)); 295f364ec65SWenchao Xia info->type = g_strdup("unknown"); 296a7f53e26SMarkus Armbruster info->locked = blk_dev_is_medium_locked(blk); 297a7f53e26SMarkus Armbruster info->removable = blk_dev_has_removable_media(blk); 298f364ec65SWenchao Xia 299a7f53e26SMarkus Armbruster if (blk_dev_has_removable_media(blk)) { 300f364ec65SWenchao Xia info->has_tray_open = true; 301a7f53e26SMarkus Armbruster info->tray_open = blk_dev_is_tray_open(blk); 302f364ec65SWenchao Xia } 303f364ec65SWenchao Xia 304373340b2SMax Reitz if (blk_iostatus_is_enabled(blk)) { 305f364ec65SWenchao Xia info->has_io_status = true; 306373340b2SMax Reitz info->io_status = blk_iostatus(blk); 307f364ec65SWenchao Xia } 308f364ec65SWenchao Xia 3095433c24fSMax Reitz if (bs && !QLIST_EMPTY(&bs->dirty_bitmaps)) { 31021b56835SFam Zheng info->has_dirty_bitmaps = true; 31121b56835SFam Zheng info->dirty_bitmaps = bdrv_query_dirty_bitmaps(bs); 31221b56835SFam Zheng } 31321b56835SFam Zheng 3145433c24fSMax Reitz if (bs && bs->drv) { 315f364ec65SWenchao Xia info->has_inserted = true; 316d5a8ee60SAlberto Garcia info->inserted = bdrv_block_device_info(bs, errp); 317d5a8ee60SAlberto Garcia if (info->inserted == NULL) { 318553a7e87SWenchao Xia goto err; 319f364ec65SWenchao Xia } 320553a7e87SWenchao Xia } 321553a7e87SWenchao Xia 322553a7e87SWenchao Xia *p_info = info; 323553a7e87SWenchao Xia return; 324553a7e87SWenchao Xia 325553a7e87SWenchao Xia err: 326553a7e87SWenchao Xia qapi_free_BlockInfo(info); 327f364ec65SWenchao Xia } 328f364ec65SWenchao Xia 329f71eaa74SFam Zheng static BlockStats *bdrv_query_stats(const BlockDriverState *bs, 330f71eaa74SFam Zheng bool query_backing) 331f364ec65SWenchao Xia { 332f364ec65SWenchao Xia BlockStats *s; 333f364ec65SWenchao Xia 334f364ec65SWenchao Xia s = g_malloc0(sizeof(*s)); 335f364ec65SWenchao Xia 336bfb197e0SMarkus Armbruster if (bdrv_get_device_name(bs)[0]) { 337f364ec65SWenchao Xia s->has_device = true; 338bfb197e0SMarkus Armbruster s->device = g_strdup(bdrv_get_device_name(bs)); 339f364ec65SWenchao Xia } 340f364ec65SWenchao Xia 3414875a779SFam Zheng if (bdrv_get_node_name(bs)[0]) { 3424875a779SFam Zheng s->has_node_name = true; 3434875a779SFam Zheng s->node_name = g_strdup(bdrv_get_node_name(bs)); 3444875a779SFam Zheng } 3454875a779SFam Zheng 346f364ec65SWenchao Xia s->stats = g_malloc0(sizeof(*s->stats)); 3477f0e9da6SMax Reitz if (bs->blk) { 3487f0e9da6SMax Reitz BlockAcctStats *stats = blk_get_stats(bs->blk); 3497f0e9da6SMax Reitz 3507f0e9da6SMax Reitz s->stats->rd_bytes = stats->nr_bytes[BLOCK_ACCT_READ]; 3517f0e9da6SMax Reitz s->stats->wr_bytes = stats->nr_bytes[BLOCK_ACCT_WRITE]; 3527f0e9da6SMax Reitz s->stats->rd_operations = stats->nr_ops[BLOCK_ACCT_READ]; 3537f0e9da6SMax Reitz s->stats->wr_operations = stats->nr_ops[BLOCK_ACCT_WRITE]; 3547f0e9da6SMax Reitz s->stats->rd_merged = stats->merged[BLOCK_ACCT_READ]; 3557f0e9da6SMax Reitz s->stats->wr_merged = stats->merged[BLOCK_ACCT_WRITE]; 3567f0e9da6SMax Reitz s->stats->flush_operations = stats->nr_ops[BLOCK_ACCT_FLUSH]; 3577f0e9da6SMax Reitz s->stats->wr_total_time_ns = stats->total_time_ns[BLOCK_ACCT_WRITE]; 3587f0e9da6SMax Reitz s->stats->rd_total_time_ns = stats->total_time_ns[BLOCK_ACCT_READ]; 3597f0e9da6SMax Reitz s->stats->flush_total_time_ns = stats->total_time_ns[BLOCK_ACCT_FLUSH]; 360*cb38fffbSAlberto Garcia 361*cb38fffbSAlberto Garcia s->stats->has_idle_time_ns = stats->last_access_time_ns > 0; 362*cb38fffbSAlberto Garcia if (s->stats->has_idle_time_ns) { 363*cb38fffbSAlberto Garcia s->stats->idle_time_ns = block_acct_idle_time_ns(stats); 364*cb38fffbSAlberto Garcia } 3657f0e9da6SMax Reitz } 366f364ec65SWenchao Xia 36753d8f9d8SMax Reitz s->stats->wr_highest_offset = bs->wr_highest_offset; 36853d8f9d8SMax Reitz 369f364ec65SWenchao Xia if (bs->file) { 370f364ec65SWenchao Xia s->has_parent = true; 3719a4f4c31SKevin Wolf s->parent = bdrv_query_stats(bs->file->bs, query_backing); 372f364ec65SWenchao Xia } 373f364ec65SWenchao Xia 374760e0063SKevin Wolf if (query_backing && bs->backing) { 375c8059b97SFam Zheng s->has_backing = true; 376760e0063SKevin Wolf s->backing = bdrv_query_stats(bs->backing->bs, query_backing); 377c8059b97SFam Zheng } 378c8059b97SFam Zheng 379f364ec65SWenchao Xia return s; 380f364ec65SWenchao Xia } 381f364ec65SWenchao Xia 382f364ec65SWenchao Xia BlockInfoList *qmp_query_block(Error **errp) 383f364ec65SWenchao Xia { 384f364ec65SWenchao Xia BlockInfoList *head = NULL, **p_next = &head; 385d829a211SMarkus Armbruster BlockBackend *blk; 386553a7e87SWenchao Xia Error *local_err = NULL; 387f364ec65SWenchao Xia 388d829a211SMarkus Armbruster for (blk = blk_next(NULL); blk; blk = blk_next(blk)) { 389f364ec65SWenchao Xia BlockInfoList *info = g_malloc0(sizeof(*info)); 390d829a211SMarkus Armbruster bdrv_query_info(blk, &info->value, &local_err); 39184d18f06SMarkus Armbruster if (local_err) { 392553a7e87SWenchao Xia error_propagate(errp, local_err); 393553a7e87SWenchao Xia goto err; 394553a7e87SWenchao Xia } 395f364ec65SWenchao Xia 396f364ec65SWenchao Xia *p_next = info; 397f364ec65SWenchao Xia p_next = &info->next; 398f364ec65SWenchao Xia } 399f364ec65SWenchao Xia 400f364ec65SWenchao Xia return head; 401553a7e87SWenchao Xia 402553a7e87SWenchao Xia err: 403553a7e87SWenchao Xia qapi_free_BlockInfoList(head); 404553a7e87SWenchao Xia return NULL; 405f364ec65SWenchao Xia } 406f364ec65SWenchao Xia 407f71eaa74SFam Zheng BlockStatsList *qmp_query_blockstats(bool has_query_nodes, 408f71eaa74SFam Zheng bool query_nodes, 409f71eaa74SFam Zheng Error **errp) 410f364ec65SWenchao Xia { 411f364ec65SWenchao Xia BlockStatsList *head = NULL, **p_next = &head; 412f364ec65SWenchao Xia BlockDriverState *bs = NULL; 413f364ec65SWenchao Xia 414f71eaa74SFam Zheng /* Just to be safe if query_nodes is not always initialized */ 415f71eaa74SFam Zheng query_nodes = has_query_nodes && query_nodes; 416f71eaa74SFam Zheng 417f71eaa74SFam Zheng while ((bs = query_nodes ? bdrv_next_node(bs) : bdrv_next(bs))) { 418f364ec65SWenchao Xia BlockStatsList *info = g_malloc0(sizeof(*info)); 41913344f3aSStefan Hajnoczi AioContext *ctx = bdrv_get_aio_context(bs); 42013344f3aSStefan Hajnoczi 42113344f3aSStefan Hajnoczi aio_context_acquire(ctx); 422f71eaa74SFam Zheng info->value = bdrv_query_stats(bs, !query_nodes); 42313344f3aSStefan Hajnoczi aio_context_release(ctx); 424f364ec65SWenchao Xia 425f364ec65SWenchao Xia *p_next = info; 426f364ec65SWenchao Xia p_next = &info->next; 427f364ec65SWenchao Xia } 428f364ec65SWenchao Xia 429f364ec65SWenchao Xia return head; 430f364ec65SWenchao Xia } 431f364ec65SWenchao Xia 432f364ec65SWenchao Xia #define NB_SUFFIXES 4 433f364ec65SWenchao Xia 434f364ec65SWenchao Xia static char *get_human_readable_size(char *buf, int buf_size, int64_t size) 435f364ec65SWenchao Xia { 4362c20fa2cSStefan Weil static const char suffixes[NB_SUFFIXES] = {'K', 'M', 'G', 'T'}; 437f364ec65SWenchao Xia int64_t base; 438f364ec65SWenchao Xia int i; 439f364ec65SWenchao Xia 440f364ec65SWenchao Xia if (size <= 999) { 441f364ec65SWenchao Xia snprintf(buf, buf_size, "%" PRId64, size); 442f364ec65SWenchao Xia } else { 443f364ec65SWenchao Xia base = 1024; 444f364ec65SWenchao Xia for (i = 0; i < NB_SUFFIXES; i++) { 445f364ec65SWenchao Xia if (size < (10 * base)) { 446f364ec65SWenchao Xia snprintf(buf, buf_size, "%0.1f%c", 447f364ec65SWenchao Xia (double)size / base, 448f364ec65SWenchao Xia suffixes[i]); 449f364ec65SWenchao Xia break; 450f364ec65SWenchao Xia } else if (size < (1000 * base) || i == (NB_SUFFIXES - 1)) { 451f364ec65SWenchao Xia snprintf(buf, buf_size, "%" PRId64 "%c", 452f364ec65SWenchao Xia ((size + (base >> 1)) / base), 453f364ec65SWenchao Xia suffixes[i]); 454f364ec65SWenchao Xia break; 455f364ec65SWenchao Xia } 456f364ec65SWenchao Xia base = base * 1024; 457f364ec65SWenchao Xia } 458f364ec65SWenchao Xia } 459f364ec65SWenchao Xia return buf; 460f364ec65SWenchao Xia } 461f364ec65SWenchao Xia 4625b917044SWenchao Xia void bdrv_snapshot_dump(fprintf_function func_fprintf, void *f, 4635b917044SWenchao Xia QEMUSnapshotInfo *sn) 464f364ec65SWenchao Xia { 465f364ec65SWenchao Xia char buf1[128], date_buf[128], clock_buf[128]; 466f364ec65SWenchao Xia struct tm tm; 467f364ec65SWenchao Xia time_t ti; 468f364ec65SWenchao Xia int64_t secs; 469f364ec65SWenchao Xia 470f364ec65SWenchao Xia if (!sn) { 4715b917044SWenchao Xia func_fprintf(f, 472f364ec65SWenchao Xia "%-10s%-20s%7s%20s%15s", 473f364ec65SWenchao Xia "ID", "TAG", "VM SIZE", "DATE", "VM CLOCK"); 474f364ec65SWenchao Xia } else { 475f364ec65SWenchao Xia ti = sn->date_sec; 476f364ec65SWenchao Xia localtime_r(&ti, &tm); 477f364ec65SWenchao Xia strftime(date_buf, sizeof(date_buf), 478f364ec65SWenchao Xia "%Y-%m-%d %H:%M:%S", &tm); 479f364ec65SWenchao Xia secs = sn->vm_clock_nsec / 1000000000; 480f364ec65SWenchao Xia snprintf(clock_buf, sizeof(clock_buf), 481f364ec65SWenchao Xia "%02d:%02d:%02d.%03d", 482f364ec65SWenchao Xia (int)(secs / 3600), 483f364ec65SWenchao Xia (int)((secs / 60) % 60), 484f364ec65SWenchao Xia (int)(secs % 60), 485f364ec65SWenchao Xia (int)((sn->vm_clock_nsec / 1000000) % 1000)); 4865b917044SWenchao Xia func_fprintf(f, 487f364ec65SWenchao Xia "%-10s%-20s%7s%20s%15s", 488f364ec65SWenchao Xia sn->id_str, sn->name, 4895b917044SWenchao Xia get_human_readable_size(buf1, sizeof(buf1), 4905b917044SWenchao Xia sn->vm_state_size), 491f364ec65SWenchao Xia date_buf, 492f364ec65SWenchao Xia clock_buf); 493f364ec65SWenchao Xia } 494f364ec65SWenchao Xia } 495f364ec65SWenchao Xia 496a8d8ecb7SMax Reitz static void dump_qdict(fprintf_function func_fprintf, void *f, int indentation, 497a8d8ecb7SMax Reitz QDict *dict); 498a8d8ecb7SMax Reitz static void dump_qlist(fprintf_function func_fprintf, void *f, int indentation, 499a8d8ecb7SMax Reitz QList *list); 500a8d8ecb7SMax Reitz 501a8d8ecb7SMax Reitz static void dump_qobject(fprintf_function func_fprintf, void *f, 502a8d8ecb7SMax Reitz int comp_indent, QObject *obj) 503a8d8ecb7SMax Reitz { 504a8d8ecb7SMax Reitz switch (qobject_type(obj)) { 505a8d8ecb7SMax Reitz case QTYPE_QINT: { 506a8d8ecb7SMax Reitz QInt *value = qobject_to_qint(obj); 507a8d8ecb7SMax Reitz func_fprintf(f, "%" PRId64, qint_get_int(value)); 508a8d8ecb7SMax Reitz break; 509a8d8ecb7SMax Reitz } 510a8d8ecb7SMax Reitz case QTYPE_QSTRING: { 511a8d8ecb7SMax Reitz QString *value = qobject_to_qstring(obj); 512a8d8ecb7SMax Reitz func_fprintf(f, "%s", qstring_get_str(value)); 513a8d8ecb7SMax Reitz break; 514a8d8ecb7SMax Reitz } 515a8d8ecb7SMax Reitz case QTYPE_QDICT: { 516a8d8ecb7SMax Reitz QDict *value = qobject_to_qdict(obj); 517a8d8ecb7SMax Reitz dump_qdict(func_fprintf, f, comp_indent, value); 518a8d8ecb7SMax Reitz break; 519a8d8ecb7SMax Reitz } 520a8d8ecb7SMax Reitz case QTYPE_QLIST: { 521a8d8ecb7SMax Reitz QList *value = qobject_to_qlist(obj); 522a8d8ecb7SMax Reitz dump_qlist(func_fprintf, f, comp_indent, value); 523a8d8ecb7SMax Reitz break; 524a8d8ecb7SMax Reitz } 525a8d8ecb7SMax Reitz case QTYPE_QFLOAT: { 526a8d8ecb7SMax Reitz QFloat *value = qobject_to_qfloat(obj); 527a8d8ecb7SMax Reitz func_fprintf(f, "%g", qfloat_get_double(value)); 528a8d8ecb7SMax Reitz break; 529a8d8ecb7SMax Reitz } 530a8d8ecb7SMax Reitz case QTYPE_QBOOL: { 531a8d8ecb7SMax Reitz QBool *value = qobject_to_qbool(obj); 532fc48ffc3SEric Blake func_fprintf(f, "%s", qbool_get_bool(value) ? "true" : "false"); 533a8d8ecb7SMax Reitz break; 534a8d8ecb7SMax Reitz } 535a8d8ecb7SMax Reitz default: 536a8d8ecb7SMax Reitz abort(); 537a8d8ecb7SMax Reitz } 538a8d8ecb7SMax Reitz } 539a8d8ecb7SMax Reitz 540a8d8ecb7SMax Reitz static void dump_qlist(fprintf_function func_fprintf, void *f, int indentation, 541a8d8ecb7SMax Reitz QList *list) 542a8d8ecb7SMax Reitz { 543a8d8ecb7SMax Reitz const QListEntry *entry; 544a8d8ecb7SMax Reitz int i = 0; 545a8d8ecb7SMax Reitz 546a8d8ecb7SMax Reitz for (entry = qlist_first(list); entry; entry = qlist_next(entry), i++) { 547a8d8ecb7SMax Reitz qtype_code type = qobject_type(entry->value); 548a8d8ecb7SMax Reitz bool composite = (type == QTYPE_QDICT || type == QTYPE_QLIST); 549a8d8ecb7SMax Reitz const char *format = composite ? "%*s[%i]:\n" : "%*s[%i]: "; 550a8d8ecb7SMax Reitz 551a8d8ecb7SMax Reitz func_fprintf(f, format, indentation * 4, "", i); 552a8d8ecb7SMax Reitz dump_qobject(func_fprintf, f, indentation + 1, entry->value); 553a8d8ecb7SMax Reitz if (!composite) { 554a8d8ecb7SMax Reitz func_fprintf(f, "\n"); 555a8d8ecb7SMax Reitz } 556a8d8ecb7SMax Reitz } 557a8d8ecb7SMax Reitz } 558a8d8ecb7SMax Reitz 559a8d8ecb7SMax Reitz static void dump_qdict(fprintf_function func_fprintf, void *f, int indentation, 560a8d8ecb7SMax Reitz QDict *dict) 561a8d8ecb7SMax Reitz { 562a8d8ecb7SMax Reitz const QDictEntry *entry; 563a8d8ecb7SMax Reitz 564a8d8ecb7SMax Reitz for (entry = qdict_first(dict); entry; entry = qdict_next(dict, entry)) { 565a8d8ecb7SMax Reitz qtype_code type = qobject_type(entry->value); 566a8d8ecb7SMax Reitz bool composite = (type == QTYPE_QDICT || type == QTYPE_QLIST); 567a8d8ecb7SMax Reitz const char *format = composite ? "%*s%s:\n" : "%*s%s: "; 568a8d8ecb7SMax Reitz char key[strlen(entry->key) + 1]; 569a8d8ecb7SMax Reitz int i; 570a8d8ecb7SMax Reitz 571a8d8ecb7SMax Reitz /* replace dashes with spaces in key (variable) names */ 572a8d8ecb7SMax Reitz for (i = 0; entry->key[i]; i++) { 573a8d8ecb7SMax Reitz key[i] = entry->key[i] == '-' ? ' ' : entry->key[i]; 574a8d8ecb7SMax Reitz } 575a8d8ecb7SMax Reitz key[i] = 0; 576a8d8ecb7SMax Reitz 577a8d8ecb7SMax Reitz func_fprintf(f, format, indentation * 4, "", key); 578a8d8ecb7SMax Reitz dump_qobject(func_fprintf, f, indentation + 1, entry->value); 579a8d8ecb7SMax Reitz if (!composite) { 580a8d8ecb7SMax Reitz func_fprintf(f, "\n"); 581a8d8ecb7SMax Reitz } 582a8d8ecb7SMax Reitz } 583a8d8ecb7SMax Reitz } 584a8d8ecb7SMax Reitz 585a8d8ecb7SMax Reitz void bdrv_image_info_specific_dump(fprintf_function func_fprintf, void *f, 586a8d8ecb7SMax Reitz ImageInfoSpecific *info_spec) 587a8d8ecb7SMax Reitz { 588a8d8ecb7SMax Reitz QmpOutputVisitor *ov = qmp_output_visitor_new(); 589a8d8ecb7SMax Reitz QObject *obj, *data; 590a8d8ecb7SMax Reitz 591a8d8ecb7SMax Reitz visit_type_ImageInfoSpecific(qmp_output_get_visitor(ov), &info_spec, NULL, 59235d0d40aSMax Reitz &error_abort); 593a8d8ecb7SMax Reitz obj = qmp_output_get_qobject(ov); 594a8d8ecb7SMax Reitz assert(qobject_type(obj) == QTYPE_QDICT); 595a8d8ecb7SMax Reitz data = qdict_get(qobject_to_qdict(obj), "data"); 596a8d8ecb7SMax Reitz dump_qobject(func_fprintf, f, 1, data); 597a8d8ecb7SMax Reitz qmp_output_visitor_cleanup(ov); 598a8d8ecb7SMax Reitz } 599a8d8ecb7SMax Reitz 6005b917044SWenchao Xia void bdrv_image_info_dump(fprintf_function func_fprintf, void *f, 6015b917044SWenchao Xia ImageInfo *info) 602f364ec65SWenchao Xia { 603f364ec65SWenchao Xia char size_buf[128], dsize_buf[128]; 604f364ec65SWenchao Xia if (!info->has_actual_size) { 605f364ec65SWenchao Xia snprintf(dsize_buf, sizeof(dsize_buf), "unavailable"); 606f364ec65SWenchao Xia } else { 607f364ec65SWenchao Xia get_human_readable_size(dsize_buf, sizeof(dsize_buf), 608f364ec65SWenchao Xia info->actual_size); 609f364ec65SWenchao Xia } 610f364ec65SWenchao Xia get_human_readable_size(size_buf, sizeof(size_buf), info->virtual_size); 6115b917044SWenchao Xia func_fprintf(f, 6125b917044SWenchao Xia "image: %s\n" 613f364ec65SWenchao Xia "file format: %s\n" 614f364ec65SWenchao Xia "virtual size: %s (%" PRId64 " bytes)\n" 615f364ec65SWenchao Xia "disk size: %s\n", 616f364ec65SWenchao Xia info->filename, info->format, size_buf, 617f364ec65SWenchao Xia info->virtual_size, 618f364ec65SWenchao Xia dsize_buf); 619f364ec65SWenchao Xia 620f364ec65SWenchao Xia if (info->has_encrypted && info->encrypted) { 6215b917044SWenchao Xia func_fprintf(f, "encrypted: yes\n"); 622f364ec65SWenchao Xia } 623f364ec65SWenchao Xia 624f364ec65SWenchao Xia if (info->has_cluster_size) { 6255b917044SWenchao Xia func_fprintf(f, "cluster_size: %" PRId64 "\n", 6265b917044SWenchao Xia info->cluster_size); 627f364ec65SWenchao Xia } 628f364ec65SWenchao Xia 629f364ec65SWenchao Xia if (info->has_dirty_flag && info->dirty_flag) { 6305b917044SWenchao Xia func_fprintf(f, "cleanly shut down: no\n"); 631f364ec65SWenchao Xia } 632f364ec65SWenchao Xia 633f364ec65SWenchao Xia if (info->has_backing_filename) { 6345b917044SWenchao Xia func_fprintf(f, "backing file: %s", info->backing_filename); 635f364ec65SWenchao Xia if (info->has_full_backing_filename) { 6365b917044SWenchao Xia func_fprintf(f, " (actual path: %s)", info->full_backing_filename); 637f364ec65SWenchao Xia } 6385b917044SWenchao Xia func_fprintf(f, "\n"); 639f364ec65SWenchao Xia if (info->has_backing_filename_format) { 6405b917044SWenchao Xia func_fprintf(f, "backing file format: %s\n", 6415b917044SWenchao Xia info->backing_filename_format); 642f364ec65SWenchao Xia } 643f364ec65SWenchao Xia } 644f364ec65SWenchao Xia 645f364ec65SWenchao Xia if (info->has_snapshots) { 646f364ec65SWenchao Xia SnapshotInfoList *elem; 647f364ec65SWenchao Xia 6485b917044SWenchao Xia func_fprintf(f, "Snapshot list:\n"); 6495b917044SWenchao Xia bdrv_snapshot_dump(func_fprintf, f, NULL); 6505b917044SWenchao Xia func_fprintf(f, "\n"); 651f364ec65SWenchao Xia 652f364ec65SWenchao Xia /* Ideally bdrv_snapshot_dump() would operate on SnapshotInfoList but 653f364ec65SWenchao Xia * we convert to the block layer's native QEMUSnapshotInfo for now. 654f364ec65SWenchao Xia */ 655f364ec65SWenchao Xia for (elem = info->snapshots; elem; elem = elem->next) { 656f364ec65SWenchao Xia QEMUSnapshotInfo sn = { 657f364ec65SWenchao Xia .vm_state_size = elem->value->vm_state_size, 658f364ec65SWenchao Xia .date_sec = elem->value->date_sec, 659f364ec65SWenchao Xia .date_nsec = elem->value->date_nsec, 660f364ec65SWenchao Xia .vm_clock_nsec = elem->value->vm_clock_sec * 1000000000ULL + 661f364ec65SWenchao Xia elem->value->vm_clock_nsec, 662f364ec65SWenchao Xia }; 663f364ec65SWenchao Xia 664f364ec65SWenchao Xia pstrcpy(sn.id_str, sizeof(sn.id_str), elem->value->id); 665f364ec65SWenchao Xia pstrcpy(sn.name, sizeof(sn.name), elem->value->name); 6665b917044SWenchao Xia bdrv_snapshot_dump(func_fprintf, f, &sn); 6675b917044SWenchao Xia func_fprintf(f, "\n"); 668f364ec65SWenchao Xia } 669f364ec65SWenchao Xia } 670a8d8ecb7SMax Reitz 671a8d8ecb7SMax Reitz if (info->has_format_specific) { 672a8d8ecb7SMax Reitz func_fprintf(f, "Format specific information:\n"); 673a8d8ecb7SMax Reitz bdrv_image_info_specific_dump(func_fprintf, f, info->format_specific); 674a8d8ecb7SMax Reitz } 675f364ec65SWenchao Xia } 676