diff options
| -rw-r--r-- | Makefile | 3 | ||||
| -rw-r--r-- | block.c | 10 | ||||
| -rw-r--r-- | block/curl.c | 3 | ||||
| -rw-r--r-- | block/sheepdog.c | 3 | ||||
| -rw-r--r-- | block/vdi.c | 25 | ||||
| -rw-r--r-- | hw/ide/ahci.c | 2 | ||||
| -rw-r--r-- | hw/ide/atapi.c | 6 | ||||
| -rw-r--r-- | hw/ide/core.c | 11 | ||||
| -rw-r--r-- | qapi-schema.json | 64 | ||||
| -rw-r--r-- | qemu-img-cmds.hx | 4 | ||||
| -rw-r--r-- | qemu-img.c | 257 | ||||
| -rw-r--r-- | qemu-img.texi | 5 |
12 files changed, 305 insertions, 88 deletions
@@ -157,7 +157,8 @@ tools-obj-y = $(oslib-obj-y) $(trace-obj-y) qemu-tool.o qemu-timer.o \ iohandler.o cutils.o iov.o async.o tools-obj-$(CONFIG_POSIX) += compatfd.o -qemu-img$(EXESUF): qemu-img.o $(tools-obj-y) $(block-obj-y) +qemu-img$(EXESUF): qemu-img.o $(tools-obj-y) $(block-obj-y) $(qapi-obj-y) \ + qapi-visit.o qapi-types.o qemu-nbd$(EXESUF): qemu-nbd.o $(tools-obj-y) $(block-obj-y) qemu-io$(EXESUF): qemu-io.o cmd.o $(tools-obj-y) $(block-obj-y) @@ -433,7 +433,11 @@ int get_tmp_filename(char *filename, int size) return -EOVERFLOW; } fd = mkstemp(filename); - if (fd < 0 || close(fd)) { + if (fd < 0) { + return -errno; + } + if (close(fd) != 0) { + unlink(filename); return -errno; } return 0; @@ -897,10 +901,10 @@ void bdrv_close(BlockDriverState *bs) bdrv_delete(bs->file); bs->file = NULL; } - - bdrv_dev_change_media_cb(bs, false); } + bdrv_dev_change_media_cb(bs, false); + /*throttling disk I/O limits*/ if (bs->io_limits_enabled) { bdrv_io_limits_disable(bs); diff --git a/block/curl.c b/block/curl.c index e7c3634d35..c1074cd2e3 100644 --- a/block/curl.c +++ b/block/curl.c @@ -542,8 +542,7 @@ static void curl_close(BlockDriverState *bs) } if (s->multi) curl_multi_cleanup(s->multi); - if (s->url) - free(s->url); + g_free(s->url); } static int64_t curl_getlength(BlockDriverState *bs) diff --git a/block/sheepdog.c b/block/sheepdog.c index df4f44107b..e0753ee9e5 100644 --- a/block/sheepdog.c +++ b/block/sheepdog.c @@ -1986,7 +1986,7 @@ static int do_load_save_vmstate(BDRVSheepdogState *s, uint8_t *data, vdi_index = pos / SD_DATA_OBJ_SIZE; offset = pos % SD_DATA_OBJ_SIZE; - data_len = MIN(remaining, SD_DATA_OBJ_SIZE); + data_len = MIN(remaining, SD_DATA_OBJ_SIZE - offset); vmstate_oid = vid_to_vmstate_oid(s->inode.vdi_id, vdi_index); @@ -2007,6 +2007,7 @@ static int do_load_save_vmstate(BDRVSheepdogState *s, uint8_t *data, } pos += data_len; + data += data_len; remaining -= data_len; } ret = size; diff --git a/block/vdi.c b/block/vdi.c index c4f1529db9..550cf58a39 100644 --- a/block/vdi.c +++ b/block/vdi.c @@ -628,7 +628,6 @@ static int vdi_create(const char *filename, QEMUOptionParameter *options) VdiHeader header; size_t i; size_t bmap_size; - uint32_t *bmap; logout("\n"); @@ -693,21 +692,21 @@ static int vdi_create(const char *filename, QEMUOptionParameter *options) result = -errno; } - bmap = NULL; if (bmap_size > 0) { - bmap = (uint32_t *)g_malloc0(bmap_size); - } - for (i = 0; i < blocks; i++) { - if (image_type == VDI_TYPE_STATIC) { - bmap[i] = i; - } else { - bmap[i] = VDI_UNALLOCATED; + uint32_t *bmap = g_malloc0(bmap_size); + for (i = 0; i < blocks; i++) { + if (image_type == VDI_TYPE_STATIC) { + bmap[i] = i; + } else { + bmap[i] = VDI_UNALLOCATED; + } } + if (write(fd, bmap, bmap_size) < 0) { + result = -errno; + } + g_free(bmap); } - if (write(fd, bmap, bmap_size) < 0) { - result = -errno; - } - g_free(bmap); + if (image_type == VDI_TYPE_STATIC) { if (ftruncate(fd, sizeof(header) + bmap_size + blocks * block_size)) { result = -errno; diff --git a/hw/ide/ahci.c b/hw/ide/ahci.c index 5ea3cadb01..68671bc4de 100644 --- a/hw/ide/ahci.c +++ b/hw/ide/ahci.c @@ -1175,7 +1175,6 @@ void ahci_init(AHCIState *s, DeviceState *qdev, DMAContext *dma, int ports) ad->port_no = i; ad->port.dma = &ad->dma; ad->port.dma->ops = &ahci_dma_ops; - ad->port_regs.cmd = PORT_CMD_SPIN_UP | PORT_CMD_POWER_ON; } } @@ -1199,6 +1198,7 @@ void ahci_reset(AHCIState *s) pr->irq_stat = 0; pr->irq_mask = 0; pr->scr_ctl = 0; + pr->cmd = PORT_CMD_SPIN_UP | PORT_CMD_POWER_ON; ahci_reset_port(s, i); } } diff --git a/hw/ide/atapi.c b/hw/ide/atapi.c index f7f714c726..685cbaa889 100644 --- a/hw/ide/atapi.c +++ b/hw/ide/atapi.c @@ -875,6 +875,12 @@ static void cmd_start_stop_unit(IDEState *s, uint8_t* buf) int sense; bool start = buf[4] & 1; bool loej = buf[4] & 2; /* load on start, eject on !start */ + int pwrcnd = buf[4] & 0xf0; + + if (pwrcnd) { + /* eject/load only happens for power condition == 0 */ + return; + } if (loej) { if (!start && !s->tray_open && s->tray_locked) { diff --git a/hw/ide/core.c b/hw/ide/core.c index d65ef3d58d..d6fb69c634 100644 --- a/hw/ide/core.c +++ b/hw/ide/core.c @@ -53,8 +53,6 @@ static const int smart_attributes[][12] = { { 0x0c, 0x03, 0x00, 0x64, 0x64, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, /* airflow-temperature-celsius */ { 190, 0x03, 0x00, 0x45, 0x45, 0x1f, 0x00, 0x1f, 0x1f, 0x00, 0x00, 0x32}, - /* end of list */ - { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} }; static int ide_handle_rw_error(IDEState *s, int error, int op); @@ -1468,9 +1466,7 @@ void ide_exec_cmd(IDEBus *bus, uint32_t val) case SMART_READ_THRESH: memset(s->io_buffer, 0, 0x200); s->io_buffer[0] = 0x01; /* smart struct version */ - for (n=0; n<30; n++) { - if (smart_attributes[n][0] == 0) - break; + for (n = 0; n < ARRAY_SIZE(smart_attributes); n++) { s->io_buffer[2+0+(n*12)] = smart_attributes[n][0]; s->io_buffer[2+1+(n*12)] = smart_attributes[n][11]; } @@ -1484,10 +1480,7 @@ void ide_exec_cmd(IDEBus *bus, uint32_t val) case SMART_READ_DATA: memset(s->io_buffer, 0, 0x200); s->io_buffer[0] = 0x01; /* smart struct version */ - for (n=0; n<30; n++) { - if (smart_attributes[n][0] == 0) { - break; - } + for (n = 0; n < ARRAY_SIZE(smart_attributes); n++) { int i; for(i = 0; i < 11; i++) { s->io_buffer[2+i+(n*12)] = smart_attributes[n][i]; diff --git a/qapi-schema.json b/qapi-schema.json index 24f5da0d4c..14e44199b7 100644 --- a/qapi-schema.json +++ b/qapi-schema.json @@ -156,6 +156,70 @@ 'running', 'save-vm', 'shutdown', 'suspended', 'watchdog' ] } ## +# @SnapshotInfo +# +# @id: unique snapshot id +# +# @name: user chosen name +# +# @vm-state-size: size of the VM state +# +# @date-sec: UTC date of the snapshot in seconds +# +# @date-nsec: fractional part in nano seconds to be used with date-sec +# +# @vm-clock-sec: VM clock relative to boot in seconds +# +# @vm-clock-nsec: fractional part in nano seconds to be used with vm-clock-sec +# +# Since: 1.3 +# +## + +{ 'type': 'SnapshotInfo', + 'data': { 'id': 'str', 'name': 'str', 'vm-state-size': 'int', + 'date-sec': 'int', 'date-nsec': 'int', + 'vm-clock-sec': 'int', 'vm-clock-nsec': 'int' } } + +## +# @ImageInfo: +# +# Information about a QEMU image file +# +# @filename: name of the image file +# +# @format: format of the image file +# +# @virtual-size: maximum capacity in bytes of the image +# +# @actual-size: #optional actual size on disk in bytes of the image +# +# @dirty-flag: #optional true if image is not cleanly closed +# +# @cluster-size: #optional size of a cluster in bytes +# +# @encrypted: #optional true if the image is encrypted +# +# @backing-filename: #optional name of the backing file +# +# @full-backing-filename: #optional full path of the backing file +# +# @backing-filename-format: #optional the format of the backing file +# +# @snapshots: #optional list of VM snapshots +# +# Since: 1.3 +# +## + +{ 'type': 'ImageInfo', + 'data': {'filename': 'str', 'format': 'str', '*dirty-flag': 'bool', + '*actual-size': 'int', 'virtual-size': 'int', + '*cluster-size': 'int', '*encrypted': 'bool', + '*backing-filename': 'str', '*full-backing-filename': 'str', + '*backing-filename-format': 'str', '*snapshots': ['SnapshotInfo'] } } + +## # @StatusInfo: # # Information about VCPU run state diff --git a/qemu-img-cmds.hx b/qemu-img-cmds.hx index 39419a0314..0ef82e9ac7 100644 --- a/qemu-img-cmds.hx +++ b/qemu-img-cmds.hx @@ -34,9 +34,9 @@ STEXI ETEXI DEF("info", img_info, - "info [-f fmt] filename") + "info [-f fmt] [--output=ofmt] filename") STEXI -@item info [-f @var{fmt}] @var{filename} +@item info [-f @var{fmt}] [--output=@var{ofmt}] @var{filename} ETEXI DEF("snapshot", img_snapshot, diff --git a/qemu-img.c b/qemu-img.c index 833b2b0180..f17f1872d6 100644 --- a/qemu-img.c +++ b/qemu-img.c @@ -21,12 +21,16 @@ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ +#include "qapi-visit.h" +#include "qapi/qmp-output-visitor.h" +#include "qjson.h" #include "qemu-common.h" #include "qemu-option.h" #include "qemu-error.h" #include "osdep.h" #include "sysemu.h" #include "block_int.h" +#include <getopt.h> #include <stdio.h> #ifdef _WIN32 @@ -84,6 +88,7 @@ static void help(void) " '-p' show progress of command (only certain commands)\n" " '-S' indicates the consecutive number of bytes that must contain only zeros\n" " for qemu-img to create a sparse image during conversion\n" + " '--output' takes the format in which the output must be done (human or json)\n" "\n" "Parameters to check subcommand:\n" " '-r' tries to repair any inconsistencies that are found during the check.\n" @@ -221,7 +226,8 @@ static int print_block_option_help(const char *filename, const char *fmt) static BlockDriverState *bdrv_new_open(const char *filename, const char *fmt, - int flags) + int flags, + bool require_io) { BlockDriverState *bs; BlockDriver *drv; @@ -246,7 +252,7 @@ static BlockDriverState *bdrv_new_open(const char *filename, goto fail; } - if (bdrv_is_encrypted(bs)) { + if (bdrv_is_encrypted(bs) && require_io) { printf("Disk image '%s' is encrypted.\n", filename); if (read_password(password, sizeof(password)) < 0) { error_report("No password given"); @@ -413,7 +419,7 @@ static int img_check(int argc, char **argv) } filename = argv[optind++]; - bs = bdrv_new_open(filename, fmt, flags); + bs = bdrv_new_open(filename, fmt, flags, true); if (!bs) { return 1; } @@ -520,7 +526,7 @@ static int img_commit(int argc, char **argv) return -1; } - bs = bdrv_new_open(filename, fmt, flags); + bs = bdrv_new_open(filename, fmt, flags, true); if (!bs) { return 1; } @@ -762,7 +768,7 @@ static int img_convert(int argc, char **argv) total_sectors = 0; for (bs_i = 0; bs_i < bs_n; bs_i++) { - bs[bs_i] = bdrv_new_open(argv[optind + bs_i], fmt, BDRV_O_FLAGS); + bs[bs_i] = bdrv_new_open(argv[optind + bs_i], fmt, BDRV_O_FLAGS, true); if (!bs[bs_i]) { error_report("Could not open '%s'", argv[optind + bs_i]); ret = -1; @@ -881,7 +887,7 @@ static int img_convert(int argc, char **argv) return -1; } - out_bs = bdrv_new_open(out_filename, out_fmt, flags); + out_bs = bdrv_new_open(out_filename, out_fmt, flags, true); if (!out_bs) { ret = -1; goto out; @@ -1102,21 +1108,174 @@ static void dump_snapshots(BlockDriverState *bs) g_free(sn_tab); } -static int img_info(int argc, char **argv) +static void collect_snapshots(BlockDriverState *bs , ImageInfo *info) +{ + int i, sn_count; + QEMUSnapshotInfo *sn_tab = NULL; + SnapshotInfoList *info_list, *cur_item = NULL; + sn_count = bdrv_snapshot_list(bs, &sn_tab); + + for (i = 0; i < sn_count; i++) { + info->has_snapshots = true; + info_list = g_new0(SnapshotInfoList, 1); + + info_list->value = g_new0(SnapshotInfo, 1); + info_list->value->id = g_strdup(sn_tab[i].id_str); + info_list->value->name = g_strdup(sn_tab[i].name); + info_list->value->vm_state_size = sn_tab[i].vm_state_size; + info_list->value->date_sec = sn_tab[i].date_sec; + info_list->value->date_nsec = sn_tab[i].date_nsec; + info_list->value->vm_clock_sec = sn_tab[i].vm_clock_nsec / 1000000000; + info_list->value->vm_clock_nsec = sn_tab[i].vm_clock_nsec % 1000000000; + + /* XXX: waiting for the qapi to support qemu-queue.h types */ + if (!cur_item) { + info->snapshots = cur_item = info_list; + } else { + cur_item->next = info_list; + cur_item = info_list; + } + + } + + g_free(sn_tab); +} + +static void dump_json_image_info(ImageInfo *info) +{ + Error *errp = NULL; + QString *str; + QmpOutputVisitor *ov = qmp_output_visitor_new(); + QObject *obj; + visit_type_ImageInfo(qmp_output_get_visitor(ov), + &info, NULL, &errp); + obj = qmp_output_get_qobject(ov); + str = qobject_to_json_pretty(obj); + assert(str != NULL); + printf("%s\n", qstring_get_str(str)); + qobject_decref(obj); + qmp_output_visitor_cleanup(ov); + QDECREF(str); +} + +static void collect_image_info(BlockDriverState *bs, + ImageInfo *info, + const char *filename, + const char *fmt) { - int c; - const char *filename, *fmt; - BlockDriverState *bs; - char size_buf[128], dsize_buf[128]; uint64_t total_sectors; - int64_t allocated_size; char backing_filename[1024]; char backing_filename2[1024]; BlockDriverInfo bdi; + bdrv_get_geometry(bs, &total_sectors); + + info->filename = g_strdup(filename); + info->format = g_strdup(bdrv_get_format_name(bs)); + info->virtual_size = total_sectors * 512; + info->actual_size = bdrv_get_allocated_file_size(bs); + info->has_actual_size = info->actual_size >= 0; + if (bdrv_is_encrypted(bs)) { + info->encrypted = true; + info->has_encrypted = true; + } + if (bdrv_get_info(bs, &bdi) >= 0) { + if (bdi.cluster_size != 0) { + info->cluster_size = bdi.cluster_size; + info->has_cluster_size = true; + } + info->dirty_flag = bdi.is_dirty; + info->has_dirty_flag = true; + } + bdrv_get_backing_filename(bs, backing_filename, sizeof(backing_filename)); + if (backing_filename[0] != '\0') { + info->backing_filename = g_strdup(backing_filename); + info->has_backing_filename = true; + bdrv_get_full_backing_filename(bs, backing_filename2, + sizeof(backing_filename2)); + + if (strcmp(backing_filename, backing_filename2) != 0) { + info->full_backing_filename = + g_strdup(backing_filename2); + info->has_full_backing_filename = true; + } + + if (bs->backing_format[0]) { + info->backing_filename_format = g_strdup(bs->backing_format); + info->has_backing_filename_format = true; + } + } +} + +static void dump_human_image_info(ImageInfo *info) +{ + char size_buf[128], dsize_buf[128]; + if (!info->has_actual_size) { + snprintf(dsize_buf, sizeof(dsize_buf), "unavailable"); + } else { + get_human_readable_size(dsize_buf, sizeof(dsize_buf), + info->actual_size); + } + get_human_readable_size(size_buf, sizeof(size_buf), info->virtual_size); + printf("image: %s\n" + "file format: %s\n" + "virtual size: %s (%" PRId64 " bytes)\n" + "disk size: %s\n", + info->filename, info->format, size_buf, + info->virtual_size, + dsize_buf); + + if (info->has_encrypted && info->encrypted) { + printf("encrypted: yes\n"); + } + + if (info->has_cluster_size) { + printf("cluster_size: %" PRId64 "\n", info->cluster_size); + } + + if (info->has_dirty_flag && info->dirty_flag) { + printf("cleanly shut down: no\n"); + } + + if (info->has_backing_filename) { + printf("backing file: %s", info->backing_filename); + if (info->has_full_backing_filename) { + printf(" (actual path: %s)", info->full_backing_filename); + } + putchar('\n'); + if (info->has_backing_filename_format) { + printf("backing file format: %s\n", info->backing_filename_format); + } + } +} + +enum {OPTION_OUTPUT = 256}; + +typedef enum OutputFormat { + OFORMAT_JSON, + OFORMAT_HUMAN, +} OutputFormat; + +static int img_info(int argc, char **argv) +{ + int c; + OutputFormat output_format = OFORMAT_HUMAN; + const char *filename, *fmt, *output; + BlockDriverState *bs; + ImageInfo *info; + fmt = NULL; + output = NULL; for(;;) { - c = getopt(argc, argv, "f:h"); + int option_index = 0; + static const struct option long_options[] = { + {"help", no_argument, 0, 'h'}, + {"format", required_argument, 0, 'f'}, + {"output", required_argument, 0, OPTION_OUTPUT}, + {0, 0, 0, 0} + }; + c = getopt_long(argc, argv, "f:h", + long_options, &option_index); if (c == -1) { break; } @@ -1128,6 +1287,9 @@ static int img_info(int argc, char **argv) case 'f': fmt = optarg; break; + case OPTION_OUTPUT: + output = optarg; + break; } } if (optind >= argc) { @@ -1135,48 +1297,35 @@ static int img_info(int argc, char **argv) } filename = argv[optind++]; - bs = bdrv_new_open(filename, fmt, BDRV_O_FLAGS | BDRV_O_NO_BACKING); - if (!bs) { + if (output && !strcmp(output, "json")) { + output_format = OFORMAT_JSON; + } else if (output && !strcmp(output, "human")) { + output_format = OFORMAT_HUMAN; + } else if (output) { + error_report("--output must be used with human or json as argument."); return 1; } - bdrv_get_geometry(bs, &total_sectors); - get_human_readable_size(size_buf, sizeof(size_buf), total_sectors * 512); - allocated_size = bdrv_get_allocated_file_size(bs); - if (allocated_size < 0) { - snprintf(dsize_buf, sizeof(dsize_buf), "unavailable"); - } else { - get_human_readable_size(dsize_buf, sizeof(dsize_buf), - allocated_size); - } - printf("image: %s\n" - "file format: %s\n" - "virtual size: %s (%" PRId64 " bytes)\n" - "disk size: %s\n", - filename, bdrv_get_format_name(bs), size_buf, - (total_sectors * 512), - dsize_buf); - if (bdrv_is_encrypted(bs)) { - printf("encrypted: yes\n"); - } - if (bdrv_get_info(bs, &bdi) >= 0) { - if (bdi.cluster_size != 0) { - printf("cluster_size: %d\n", bdi.cluster_size); - } - if (bdi.is_dirty) { - printf("cleanly shut down: no\n"); - } + + bs = bdrv_new_open(filename, fmt, BDRV_O_FLAGS | BDRV_O_NO_BACKING, false); + if (!bs) { + return 1; } - bdrv_get_backing_filename(bs, backing_filename, sizeof(backing_filename)); - if (backing_filename[0] != '\0') { - bdrv_get_full_backing_filename(bs, backing_filename2, - sizeof(backing_filename2)); - printf("backing file: %s", backing_filename); - if (strcmp(backing_filename, backing_filename2) != 0) { - printf(" (actual path: %s)", backing_filename2); - } - putchar('\n'); + + info = g_new0(ImageInfo, 1); + collect_image_info(bs, info, filename, fmt); + + switch (output_format) { + case OFORMAT_HUMAN: + dump_human_image_info(info); + dump_snapshots(bs); + break; + case OFORMAT_JSON: + collect_snapshots(bs, info); + dump_json_image_info(info); + break; } - dump_snapshots(bs); + + qapi_free_ImageInfo(info); bdrv_delete(bs); return 0; } @@ -1248,7 +1397,7 @@ static int img_snapshot(int argc, char **argv) filename = argv[optind++]; /* Open the image */ - bs = bdrv_new_open(filename, NULL, bdrv_oflags); + bs = bdrv_new_open(filename, NULL, bdrv_oflags, true); if (!bs) { return 1; } @@ -1366,7 +1515,7 @@ static int img_rebase(int argc, char **argv) * Ignore the old backing file for unsafe rebase in case we want to correct * the reference to a renamed or moved backing file. */ - bs = bdrv_new_open(filename, fmt, flags); + bs = bdrv_new_open(filename, fmt, flags, true); if (!bs) { return 1; } @@ -1639,7 +1788,7 @@ static int img_resize(int argc, char **argv) n = qemu_opt_get_size(param, BLOCK_OPT_SIZE, 0); qemu_opts_del(param); - bs = bdrv_new_open(filename, fmt, BDRV_O_FLAGS | BDRV_O_RDWR); + bs = bdrv_new_open(filename, fmt, BDRV_O_FLAGS | BDRV_O_RDWR, true); if (!bs) { ret = -1; goto out; diff --git a/qemu-img.texi b/qemu-img.texi index 360543b807..8b05f2c428 100644 --- a/qemu-img.texi +++ b/qemu-img.texi @@ -129,12 +129,13 @@ created as a copy on write image of the specified base image; the @var{backing_file} should have the same content as the input's base image, however the path, image format, etc may differ. -@item info [-f @var{fmt}] @var{filename} +@item info [-f @var{fmt}] [--output=@var{ofmt}] @var{filename} Give information about the disk image @var{filename}. Use it in particular to know the size reserved on disk which can be different from the displayed size. If VM snapshots are stored in the disk image, -they are displayed too. +they are displayed too. The command can output in the format @var{ofmt} +which is either @code{human} or @code{json}. @item snapshot [-l | -a @var{snapshot} | -c @var{snapshot} | -d @var{snapshot} ] @var{filename} |