Merge remote-tracking branch 'kwolf/for-anthony' into staging

* kwolf/for-anthony:
  block: Don't forget to delete temporary file
  Don't require encryption password for 'qemu-img info' command
  qemu-img: Add json output option to the info command.
  qapi: Add SnapshotInfo and ImageInfo.
  ahci: properly reset PxCMD on HBA reset
  block: fix block tray status
  vdi: Fix warning from clang
  block/curl: Fix wrong free statement
  ide: Fix error messages from static code analysis (no real error)
  ATAPI: STARTSTOPUNIT only eject/load media if powercondition is 0
  sheepdog: fix savevm and loadvm
This commit is contained in:
Anthony Liguori 2012-09-17 10:23:15 -05:00
commit 109820df4a
12 changed files with 305 additions and 88 deletions

View file

@ -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 (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;
}
bs = bdrv_new_open(filename, fmt, BDRV_O_FLAGS | BDRV_O_NO_BACKING, false);
if (!bs) {
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);
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;
}
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");
}
}
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');
}
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;