* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
+#include "qemu/osdep.h"
#include "qapi-visit.h"
#include "qapi/qmp-output-visitor.h"
+#include "qapi/qmp/qerror.h"
#include "qapi/qmp/qjson.h"
#include "qemu-common.h"
#include "qemu/option.h"
#include "qemu/error-report.h"
-#include "qemu/osdep.h"
#include "sysemu/sysemu.h"
#include "sysemu/block-backend.h"
#include "block/block_int.h"
return ret;
}
-#if defined(WIN32)
-/* XXX: put correct support for win32 */
-static int read_password(char *buf, int buf_size)
-{
- int c, i;
-
- printf("Password: ");
- fflush(stdout);
- i = 0;
- for(;;) {
- c = getchar();
- if (c < 0) {
- buf[i] = '\0';
- return -1;
- } else if (c == '\n') {
- break;
- } else if (i < (buf_size - 1)) {
- buf[i++] = c;
- }
- }
- buf[i] = '\0';
- return 0;
-}
-
-#else
-
-#include <termios.h>
-
-static struct termios oldtty;
-
-static void term_exit(void)
-{
- tcsetattr (0, TCSANOW, &oldtty);
-}
-
-static void term_init(void)
-{
- struct termios tty;
-
- tcgetattr (0, &tty);
- oldtty = tty;
-
- tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
- |INLCR|IGNCR|ICRNL|IXON);
- tty.c_oflag |= OPOST;
- tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
- tty.c_cflag &= ~(CSIZE|PARENB);
- tty.c_cflag |= CS8;
- tty.c_cc[VMIN] = 1;
- tty.c_cc[VTIME] = 0;
-
- tcsetattr (0, TCSANOW, &tty);
-
- atexit(term_exit);
-}
-
-static int read_password(char *buf, int buf_size)
-{
- uint8_t ch;
- int i, ret;
-
- printf("password: ");
- fflush(stdout);
- term_init();
- i = 0;
- for(;;) {
- ret = read(0, &ch, 1);
- if (ret == -1) {
- if (errno == EAGAIN || errno == EINTR) {
- continue;
- } else {
- break;
- }
- } else if (ret == 0) {
- ret = -1;
- break;
- } else {
- if (ch == '\r') {
- ret = 0;
- break;
- }
- if (i < (buf_size - 1))
- buf[i++] = ch;
- }
- }
- term_exit();
- buf[i] = '\0';
- printf("\n");
- return ret;
-}
-#endif
static int print_block_option_help(const char *filename, const char *fmt)
{
blk = blk_new_open(id, filename, NULL, options, flags, &local_err);
if (!blk) {
- error_report("Could not open '%s': %s", filename,
- error_get_pretty(local_err));
- error_free(local_err);
+ error_reportf_err(local_err, "Could not open '%s': ", filename);
goto fail;
}
bs = blk_bs(blk);
if (bdrv_is_encrypted(bs) && require_io) {
qprintf(quiet, "Disk image '%s' is encrypted.\n", filename);
- if (read_password(password, sizeof(password)) < 0) {
+ if (qemu_read_password(password, sizeof(password)) < 0) {
error_report("No password given");
goto fail;
}
if (optind < argc) {
int64_t sval;
char *end;
- sval = strtosz_suffix(argv[optind++], &end, STRTOSZ_DEFSUFFIX_B);
+ sval = qemu_strtosz_suffix(argv[optind++], &end,
+ QEMU_STRTOSZ_DEFSUFFIX_B);
if (sval < 0 || *end) {
if (sval == -ERANGE) {
error_report("Image size must be less than 8 EiB!");
bdrv_img_create(filename, fmt, base_filename, base_fmt,
options, img_size, BDRV_O_FLAGS, &local_err, quiet);
if (local_err) {
- error_report("%s: %s", filename, error_get_pretty(local_err));
- error_free(local_err);
+ error_reportf_err(local_err, "%s: ", filename);
goto fail;
}
QString *str;
QmpOutputVisitor *ov = qmp_output_visitor_new();
QObject *obj;
- visit_type_ImageCheck(qmp_output_get_visitor(ov),
- &check, NULL, &local_err);
+ visit_type_ImageCheck(qmp_output_get_visitor(ov), NULL, &check,
+ &local_err);
obj = qmp_output_get_qobject(ov);
str = qobject_to_json_pretty(obj);
assert(str != NULL);
if (ret < 0) {
error_setg_errno(cbi->errp, -ret, "Block job failed");
}
-
- /* Drop this block job's reference */
- bdrv_unref(cbi->bs);
}
static void run_block_job(BlockJob *job, Error **errp)
do {
aio_poll(aio_context, true);
- qemu_progress_print((float)job->offset / job->len * 100.f, 0);
+ qemu_progress_print(job->len ?
+ ((float)job->offset / job->len * 100.f) : 0.0f, 0);
} while (!job->ready);
block_job_complete_sync(job, errp);
if (base) {
base_bs = bdrv_find_backing_image(bs, base);
if (!base_bs) {
- error_set(&local_err, QERR_BASE_NOT_FOUND, base);
+ error_setg(&local_err, QERR_BASE_NOT_FOUND, base);
goto done;
}
} else {
/* This is different from QMP, which by default uses the deepest file in
* the backing chain (i.e., the very base); however, the traditional
* behavior of qemu-img commit is using the immediate backing file. */
- base_bs = bs->backing_hd;
+ base_bs = backing_bs(bs);
if (!base_bs) {
error_setg(&local_err, "Image does not have a backing file");
goto done;
goto done;
}
- /* The block job will swap base_bs and bs (which is not what we really want
- * here, but okay) and unref base_bs (after the swap, i.e., the old top
- * image). In order to still be able to empty that top image afterwards,
- * increment the reference counter here preemptively. */
+ /* When the block job completes, the BlockBackend reference will point to
+ * the old backing file. In order to avoid that the top image is already
+ * deleted, so we can still empty it afterwards, increment the reference
+ * counter here preemptively. */
if (!drop) {
- bdrv_ref(base_bs);
+ bdrv_ref(bs);
}
run_block_job(bs->job, &local_err);
goto unref_backing;
}
- if (!drop && base_bs->drv->bdrv_make_empty) {
- ret = base_bs->drv->bdrv_make_empty(base_bs);
+ if (!drop && bs->drv->bdrv_make_empty) {
+ ret = bs->drv->bdrv_make_empty(bs);
if (ret) {
error_setg_errno(&local_err, -ret, "Could not empty %s",
filename);
unref_backing:
if (!drop) {
- bdrv_unref(base_bs);
+ bdrv_unref(bs);
}
done:
}
for (;;) {
+ int64_t status1, status2;
+ BlockDriverState *file;
+
nb_sectors = sectors_to_process(total_sectors, sector_num);
if (nb_sectors <= 0) {
break;
}
- allocated1 = bdrv_is_allocated_above(bs1, NULL, sector_num, nb_sectors,
- &pnum1);
- if (allocated1 < 0) {
+ status1 = bdrv_get_block_status_above(bs1, NULL, sector_num,
+ total_sectors1 - sector_num,
+ &pnum1, &file);
+ if (status1 < 0) {
ret = 3;
error_report("Sector allocation test failed for %s", filename1);
goto out;
}
+ allocated1 = status1 & BDRV_BLOCK_ALLOCATED;
- allocated2 = bdrv_is_allocated_above(bs2, NULL, sector_num, nb_sectors,
- &pnum2);
- if (allocated2 < 0) {
+ status2 = bdrv_get_block_status_above(bs2, NULL, sector_num,
+ total_sectors2 - sector_num,
+ &pnum2, &file);
+ if (status2 < 0) {
ret = 3;
error_report("Sector allocation test failed for %s", filename2);
goto out;
}
- nb_sectors = MIN(pnum1, pnum2);
+ allocated2 = status2 & BDRV_BLOCK_ALLOCATED;
+ if (pnum1) {
+ nb_sectors = MIN(nb_sectors, pnum1);
+ }
+ if (pnum2) {
+ nb_sectors = MIN(nb_sectors, pnum2);
+ }
- if (allocated1 == allocated2) {
+ if (strict) {
+ if ((status1 & ~BDRV_BLOCK_OFFSET_MASK) !=
+ (status2 & ~BDRV_BLOCK_OFFSET_MASK)) {
+ ret = 1;
+ qprintf(quiet, "Strict mode: Offset %" PRId64
+ " block status mismatch!\n",
+ sectors_to_bytes(sector_num));
+ goto out;
+ }
+ }
+ if ((status1 & BDRV_BLOCK_ZERO) && (status2 & BDRV_BLOCK_ZERO)) {
+ nb_sectors = MIN(pnum1, pnum2);
+ } else if (allocated1 == allocated2) {
if (allocated1) {
ret = blk_read(blk1, sector_num, buf1, nb_sectors);
if (ret < 0) {
}
}
} else {
- if (strict) {
- ret = 1;
- qprintf(quiet, "Strict mode: Offset %" PRId64
- " allocation mismatch!\n",
- sectors_to_bytes(sector_num));
- goto out;
- }
if (allocated1) {
ret = check_empty_sectors(blk1, sector_num, nb_sectors,
n = MIN(s->total_sectors - sector_num, BDRV_REQUEST_MAX_SECTORS);
if (s->sector_next_status <= sector_num) {
+ BlockDriverState *file;
ret = bdrv_get_block_status(blk_bs(s->src[s->src_cur]),
sector_num - s->src_cur_offset,
- n, &n);
+ n, &n, &file);
if (ret < 0) {
return ret;
}
break;
case 'l':
if (strstart(optarg, SNAPSHOT_OPT_BASE, NULL)) {
- sn_opts = qemu_opts_parse(&internal_snapshot_opts, optarg, 0);
+ sn_opts = qemu_opts_parse_noisily(&internal_snapshot_opts,
+ optarg, false);
if (!sn_opts) {
error_report("Failed in parsing snapshot param '%s'",
optarg);
{
int64_t sval;
char *end;
- sval = strtosz_suffix(optarg, &end, STRTOSZ_DEFSUFFIX_B);
+ sval = qemu_strtosz_suffix(optarg, &end, QEMU_STRTOSZ_DEFSUFFIX_B);
if (sval < 0 || *end) {
error_report("Invalid minimum zero buffer size for sparse output specified");
ret = -1;
bdrv_snapshot_load_tmp_by_id_or_name(bs[0], snapshot_name, &local_err);
}
if (local_err) {
- error_report("Failed to load snapshot: %s",
- error_get_pretty(local_err));
- error_free(local_err);
+ error_reportf_err(local_err, "Failed to load snapshot: ");
ret = -1;
goto out;
}
/* Create the new image */
ret = bdrv_create(drv, out_filename, opts, &local_err);
if (ret < 0) {
- error_report("%s: error while converting %s: %s",
- out_filename, out_fmt, error_get_pretty(local_err));
- error_free(local_err);
+ error_reportf_err(local_err, "%s: error while converting %s: ",
+ out_filename, out_fmt);
goto out;
}
}
QString *str;
QmpOutputVisitor *ov = qmp_output_visitor_new();
QObject *obj;
- visit_type_ImageInfoList(qmp_output_get_visitor(ov),
- &list, NULL, &local_err);
+ visit_type_ImageInfoList(qmp_output_get_visitor(ov), NULL, &list,
+ &local_err);
obj = qmp_output_get_qobject(ov);
str = qobject_to_json_pretty(obj);
assert(str != NULL);
QString *str;
QmpOutputVisitor *ov = qmp_output_visitor_new();
QObject *obj;
- visit_type_ImageInfo(qmp_output_get_visitor(ov),
- &info, NULL, &local_err);
+ visit_type_ImageInfo(qmp_output_get_visitor(ov), NULL, &info, &local_err);
obj = qmp_output_get_qobject(ov);
str = qobject_to_json_pretty(obj);
assert(str != NULL);
if (info->has_full_backing_filename) {
filename = info->full_backing_filename;
} else if (info->has_backing_filename) {
- filename = info->backing_filename;
+ error_report("Could not determine absolute backing filename,"
+ " but backing filename '%s' present",
+ info->backing_filename);
+ goto err;
}
if (info->has_backing_filename_format) {
fmt = info->backing_filename_format;
return 0;
}
-
-typedef struct MapEntry {
- int flags;
- int depth;
- int64_t start;
- int64_t length;
- int64_t offset;
- BlockDriverState *bs;
-} MapEntry;
-
static void dump_map_entry(OutputFormat output_format, MapEntry *e,
MapEntry *next)
{
switch (output_format) {
case OFORMAT_HUMAN:
- if ((e->flags & BDRV_BLOCK_DATA) &&
- !(e->flags & BDRV_BLOCK_OFFSET_VALID)) {
+ if (e->data && !e->has_offset) {
error_report("File contains external, encrypted or compressed clusters.");
exit(1);
}
- if ((e->flags & (BDRV_BLOCK_DATA|BDRV_BLOCK_ZERO)) == BDRV_BLOCK_DATA) {
+ if (e->data && !e->zero) {
printf("%#-16"PRIx64"%#-16"PRIx64"%#-16"PRIx64"%s\n",
- e->start, e->length, e->offset, e->bs->filename);
+ e->start, e->length,
+ e->has_offset ? e->offset : 0,
+ e->has_filename ? e->filename : "");
}
/* This format ignores the distinction between 0, ZERO and ZERO|DATA.
* Modify the flags here to allow more coalescing.
*/
- if (next &&
- (next->flags & (BDRV_BLOCK_DATA|BDRV_BLOCK_ZERO)) != BDRV_BLOCK_DATA) {
- next->flags &= ~BDRV_BLOCK_DATA;
- next->flags |= BDRV_BLOCK_ZERO;
+ if (next && (!next->data || next->zero)) {
+ next->data = false;
+ next->zero = true;
}
break;
case OFORMAT_JSON:
- printf("%s{ \"start\": %"PRId64", \"length\": %"PRId64", \"depth\": %d,"
- " \"zero\": %s, \"data\": %s",
+ printf("%s{ \"start\": %"PRId64", \"length\": %"PRId64","
+ " \"depth\": %"PRId64", \"zero\": %s, \"data\": %s",
(e->start == 0 ? "[" : ",\n"),
e->start, e->length, e->depth,
- (e->flags & BDRV_BLOCK_ZERO) ? "true" : "false",
- (e->flags & BDRV_BLOCK_DATA) ? "true" : "false");
- if (e->flags & BDRV_BLOCK_OFFSET_VALID) {
+ e->zero ? "true" : "false",
+ e->data ? "true" : "false");
+ if (e->has_offset) {
printf(", \"offset\": %"PRId64"", e->offset);
}
putchar('}');
{
int64_t ret;
int depth;
+ BlockDriverState *file;
/* As an optimization, we could cache the current range of unallocated
* clusters in each file of the chain, and avoid querying the same
depth = 0;
for (;;) {
- ret = bdrv_get_block_status(bs, sector_num, nb_sectors, &nb_sectors);
+ ret = bdrv_get_block_status(bs, sector_num, nb_sectors, &nb_sectors,
+ &file);
if (ret < 0) {
return ret;
}
if (ret & (BDRV_BLOCK_ZERO|BDRV_BLOCK_DATA)) {
break;
}
- bs = bs->backing_hd;
+ bs = backing_bs(bs);
if (bs == NULL) {
ret = 0;
break;
e->start = sector_num * BDRV_SECTOR_SIZE;
e->length = nb_sectors * BDRV_SECTOR_SIZE;
- e->flags = ret & ~BDRV_BLOCK_OFFSET_MASK;
+ e->data = !!(ret & BDRV_BLOCK_DATA);
+ e->zero = !!(ret & BDRV_BLOCK_ZERO);
e->offset = ret & BDRV_BLOCK_OFFSET_MASK;
+ e->has_offset = !!(ret & BDRV_BLOCK_OFFSET_VALID);
e->depth = depth;
- e->bs = bs;
+ if (file && e->has_offset) {
+ e->has_filename = true;
+ e->filename = file->filename;
+ }
return 0;
}
+static inline bool entry_mergeable(const MapEntry *curr, const MapEntry *next)
+{
+ if (curr->length == 0) {
+ return false;
+ }
+ if (curr->zero != next->zero ||
+ curr->data != next->data ||
+ curr->depth != next->depth ||
+ curr->has_filename != next->has_filename ||
+ curr->has_offset != next->has_offset) {
+ return false;
+ }
+ if (curr->has_filename && strcmp(curr->filename, next->filename)) {
+ return false;
+ }
+ if (curr->has_offset && curr->offset + curr->length != next->offset) {
+ return false;
+ }
+ return true;
+}
+
static int img_map(int argc, char **argv)
{
int c;
goto out;
}
- if (curr.length != 0 && curr.flags == next.flags &&
- curr.depth == next.depth &&
- ((curr.flags & BDRV_BLOCK_OFFSET_VALID) == 0 ||
- curr.offset + curr.length == next.offset)) {
+ if (entry_mergeable(&curr, &next)) {
curr.length += next.length;
continue;
}
case SNAPSHOT_DELETE:
bdrv_snapshot_delete_by_id_or_name(bs, snapshot_name, &err);
if (err) {
- error_report("Could not delete snapshot '%s': (%s)",
- snapshot_name, error_get_pretty(err));
- error_free(err);
+ error_reportf_err(err, "Could not delete snapshot '%s': ",
+ snapshot_name);
ret = 1;
}
break;
blk_old_backing = blk_new_open("old_backing", backing_name, NULL,
options, src_flags, &local_err);
if (!blk_old_backing) {
- error_report("Could not open old backing file '%s': %s",
- backing_name, error_get_pretty(local_err));
- error_free(local_err);
+ error_reportf_err(local_err,
+ "Could not open old backing file '%s': ",
+ backing_name);
goto out;
}
blk_new_backing = blk_new_open("new_backing", out_baseimg, NULL,
options, src_flags, &local_err);
if (!blk_new_backing) {
- error_report("Could not open new backing file '%s': %s",
- out_baseimg, error_get_pretty(local_err));
- error_free(local_err);
+ error_reportf_err(local_err,
+ "Could not open new backing file '%s': ",
+ out_baseimg);
goto out;
}
}
}
static void amend_status_cb(BlockDriverState *bs,
- int64_t offset, int64_t total_work_size)
+ int64_t offset, int64_t total_work_size,
+ void *opaque)
{
qemu_progress_print(100.f * offset / total_work_size, 0);
}
if (!is_valid_option_list(optarg)) {
error_report("Invalid option list: %s", optarg);
ret = -1;
- goto out;
+ goto out_no_progress;
}
if (!options) {
options = g_strdup(optarg);
/* In case the driver does not call amend_status_cb() */
qemu_progress_print(0.f, 0);
- ret = bdrv_amend_options(bs, opts, &amend_status_cb);
+ ret = bdrv_amend_options(bs, opts, &amend_status_cb, NULL);
qemu_progress_print(100.f, 0);
if (ret < 0) {
error_report("Error while amending options: %s", strerror(-ret));
out:
qemu_progress_end();
+out_no_progress:
blk_unref(blk);
qemu_opts_del(opts);
qemu_opts_free(create_opts);
exit(EXIT_FAILURE);
}
+ module_call_init(MODULE_INIT_QOM);
bdrv_init();
if (argc < 2) {
error_exit("Not enough arguments");
projects / qemu.git / blobdiff