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Diffstat (limited to 'qemu-io.c')
-rw-r--r--qemu-io.c115
1 files changed, 97 insertions, 18 deletions
diff --git a/qemu-io.c b/qemu-io.c
index 6c0c028f98..8c31257ac4 100644
--- a/qemu-io.c
+++ b/qemu-io.c
@@ -18,6 +18,7 @@
#include "qemu/config-file.h"
#include "qemu/readline.h"
#include "qapi/qmp/qstring.h"
+#include "qom/object_interfaces.h"
#include "sysemu/block-backend.h"
#include "block/block_int.h"
#include "trace/control.h"
@@ -31,6 +32,7 @@ static BlockBackend *qemuio_blk;
/* qemu-io commands passed using -c */
static int ncmdline;
static char **cmdline;
+static bool imageOpts;
static ReadLineState *readline_state;
@@ -150,6 +152,10 @@ static int open_f(BlockBackend *blk, int argc, char **argv)
readonly = 1;
break;
case 'o':
+ if (imageOpts) {
+ printf("--image-opts and 'open -o' are mutually exclusive\n");
+ return 0;
+ }
if (!qemu_opts_parse_noisily(&empty_opts, optarg, false)) {
qemu_opts_reset(&empty_opts);
return 0;
@@ -165,6 +171,14 @@ static int open_f(BlockBackend *blk, int argc, char **argv)
flags |= BDRV_O_RDWR;
}
+ if (imageOpts && (optind == argc - 1)) {
+ if (!qemu_opts_parse_noisily(&empty_opts, argv[optind], false)) {
+ qemu_opts_reset(&empty_opts);
+ return 0;
+ }
+ optind++;
+ }
+
qopts = qemu_opts_find(&empty_opts, NULL);
opts = qopts ? qemu_opts_to_qdict(qopts, NULL) : NULL;
qemu_opts_reset(&empty_opts);
@@ -200,6 +214,8 @@ static void usage(const char *name)
"Usage: %s [-h] [-V] [-rsnm] [-f FMT] [-c STRING] ... [file]\n"
"QEMU Disk exerciser\n"
"\n"
+" --object OBJECTDEF define an object such as 'secret' for\n"
+" passwords and/or encryption keys\n"
" -c, --cmd STRING execute command with its arguments\n"
" from the given string\n"
" -f, --format FMT specifies the block driver to use\n"
@@ -361,24 +377,51 @@ static void reenable_tty_echo(void)
qemu_set_tty_echo(STDIN_FILENO, true);
}
+enum {
+ OPTION_OBJECT = 256,
+ OPTION_IMAGE_OPTS = 257,
+};
+
+static QemuOptsList qemu_object_opts = {
+ .name = "object",
+ .implied_opt_name = "qom-type",
+ .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
+ .desc = {
+ { }
+ },
+};
+
+
+static QemuOptsList file_opts = {
+ .name = "file",
+ .implied_opt_name = "file",
+ .head = QTAILQ_HEAD_INITIALIZER(file_opts.head),
+ .desc = {
+ /* no elements => accept any params */
+ { /* end of list */ }
+ },
+};
+
int main(int argc, char **argv)
{
int readonly = 0;
const char *sopt = "hVc:d:f:rsnmgkt:T:";
const struct option lopt[] = {
- { "help", 0, NULL, 'h' },
- { "version", 0, NULL, 'V' },
- { "offset", 1, NULL, 'o' },
- { "cmd", 1, NULL, 'c' },
- { "format", 1, NULL, 'f' },
- { "read-only", 0, NULL, 'r' },
- { "snapshot", 0, NULL, 's' },
- { "nocache", 0, NULL, 'n' },
- { "misalign", 0, NULL, 'm' },
- { "native-aio", 0, NULL, 'k' },
- { "discard", 1, NULL, 'd' },
- { "cache", 1, NULL, 't' },
- { "trace", 1, NULL, 'T' },
+ { "help", no_argument, NULL, 'h' },
+ { "version", no_argument, NULL, 'V' },
+ { "offset", required_argument, NULL, 'o' },
+ { "cmd", required_argument, NULL, 'c' },
+ { "format", required_argument, NULL, 'f' },
+ { "read-only", no_argument, NULL, 'r' },
+ { "snapshot", no_argument, NULL, 's' },
+ { "nocache", no_argument, NULL, 'n' },
+ { "misalign", no_argument, NULL, 'm' },
+ { "native-aio", no_argument, NULL, 'k' },
+ { "discard", required_argument, NULL, 'd' },
+ { "cache", required_argument, NULL, 't' },
+ { "trace", required_argument, NULL, 'T' },
+ { "object", required_argument, NULL, OPTION_OBJECT },
+ { "image-opts", no_argument, NULL, OPTION_IMAGE_OPTS },
{ NULL, 0, NULL, 0 }
};
int c;
@@ -386,6 +429,7 @@ int main(int argc, char **argv)
int flags = BDRV_O_UNMAP;
Error *local_error = NULL;
QDict *opts = NULL;
+ const char *format = NULL;
#ifdef CONFIG_POSIX
signal(SIGPIPE, SIG_IGN);
@@ -395,6 +439,7 @@ int main(int argc, char **argv)
qemu_init_exec_dir(argv[0]);
module_call_init(MODULE_INIT_QOM);
+ qemu_add_opts(&qemu_object_opts);
bdrv_init();
while ((c = getopt_long(argc, argv, sopt, lopt, &opt_index)) != -1) {
@@ -412,10 +457,7 @@ int main(int argc, char **argv)
}
break;
case 'f':
- if (!opts) {
- opts = qdict_new();
- }
- qdict_put(opts, "driver", qstring_from_str(optarg));
+ format = optarg;
break;
case 'c':
add_user_command(optarg);
@@ -446,6 +488,17 @@ int main(int argc, char **argv)
case 'h':
usage(progname);
exit(0);
+ case OPTION_OBJECT: {
+ QemuOpts *qopts;
+ qopts = qemu_opts_parse_noisily(&qemu_object_opts,
+ optarg, true);
+ if (!qopts) {
+ exit(1);
+ }
+ } break;
+ case OPTION_IMAGE_OPTS:
+ imageOpts = true;
+ break;
default:
usage(progname);
exit(1);
@@ -457,11 +510,23 @@ int main(int argc, char **argv)
exit(1);
}
+ if (format && imageOpts) {
+ error_report("--image-opts and -f are mutually exclusive");
+ exit(1);
+ }
+
if (qemu_init_main_loop(&local_error)) {
error_report_err(local_error);
exit(1);
}
+ if (qemu_opts_foreach(&qemu_object_opts,
+ user_creatable_add_opts_foreach,
+ NULL, &local_error)) {
+ error_report_err(local_error);
+ exit(1);
+ }
+
/* initialize commands */
qemuio_add_command(&quit_cmd);
qemuio_add_command(&open_cmd);
@@ -482,7 +547,21 @@ int main(int argc, char **argv)
}
if ((argc - optind) == 1) {
- openfile(argv[optind], flags, opts);
+ if (imageOpts) {
+ QemuOpts *qopts = NULL;
+ qopts = qemu_opts_parse_noisily(&file_opts, argv[optind], false);
+ if (!qopts) {
+ exit(1);
+ }
+ opts = qemu_opts_to_qdict(qopts, NULL);
+ openfile(NULL, flags, opts);
+ } else {
+ if (format) {
+ opts = qdict_new();
+ qdict_put(opts, "driver", qstring_from_str(format));
+ }
+ openfile(argv[optind], flags, opts);
+ }
}
command_loop();