#include "qemu/option.h"
#include "qemu/config-file.h"
#include "qemu/readline.h"
+#include "sysemu/block-backend.h"
#include "block/block_int.h"
#include "trace/control.h"
static char *progname;
-static BlockDriverState *qemuio_bs;
+static BlockBackend *qemuio_blk;
/* qemu-io commands passed using -c */
static int ncmdline;
static ReadLineState *readline_state;
-static int close_f(BlockDriverState *bs, int argc, char **argv)
+static int close_f(BlockBackend *blk, int argc, char **argv)
{
- bdrv_unref(bs);
- qemuio_bs = NULL;
+ blk_unref(qemuio_blk);
+ qemuio_blk = NULL;
return 0;
}
.oneline = "close the current open file",
};
-static int openfile(char *name, int flags, int growable, QDict *opts)
+static int openfile(char *name, int flags, QDict *opts)
{
Error *local_err = NULL;
- if (qemuio_bs) {
+ if (qemuio_blk) {
fprintf(stderr, "file open already, try 'help close'\n");
+ QDECREF(opts);
return 1;
}
- if (growable) {
- if (bdrv_open(&qemuio_bs, name, NULL, opts, flags | BDRV_O_PROTOCOL,
- NULL, &local_err))
- {
- fprintf(stderr, "%s: can't open device %s: %s\n", progname, name,
- error_get_pretty(local_err));
- error_free(local_err);
- return 1;
- }
- } else {
- qemuio_bs = bdrv_new("hda", &error_abort);
-
- if (bdrv_open(&qemuio_bs, name, NULL, opts, flags, NULL, &local_err)
- < 0)
- {
- fprintf(stderr, "%s: can't open device %s: %s\n", progname, name,
- error_get_pretty(local_err));
- error_free(local_err);
- bdrv_unref(qemuio_bs);
- qemuio_bs = NULL;
- return 1;
- }
+ qemuio_blk = blk_new_open("hda", name, NULL, opts, flags, &local_err);
+ if (!qemuio_blk) {
+ fprintf(stderr, "%s: can't open%s%s: %s\n", progname,
+ name ? " device " : "", name ?: "",
+ error_get_pretty(local_err));
+ error_free(local_err);
+ return 1;
}
return 0;
" -r, -- open file read-only\n"
" -s, -- use snapshot file\n"
" -n, -- disable host cache\n"
-" -g, -- allow file to grow (only applies to protocols)\n"
" -o, -- options to be given to the block driver"
"\n");
}
-static int open_f(BlockDriverState *bs, int argc, char **argv);
+static int open_f(BlockBackend *blk, int argc, char **argv);
static const cmdinfo_t open_cmd = {
.name = "open",
static QemuOptsList empty_opts = {
.name = "drive",
+ .merge_lists = true,
.head = QTAILQ_HEAD_INITIALIZER(empty_opts.head),
.desc = {
/* no elements => accept any params */
},
};
-static int open_f(BlockDriverState *bs, int argc, char **argv)
+static int open_f(BlockBackend *blk, int argc, char **argv)
{
int flags = 0;
int readonly = 0;
- int growable = 0;
int c;
QemuOpts *qopts;
- QDict *opts = NULL;
+ QDict *opts;
while ((c = getopt(argc, argv, "snrgo:")) != EOF) {
switch (c) {
case 'r':
readonly = 1;
break;
- case 'g':
- growable = 1;
- break;
case 'o':
- qopts = qemu_opts_parse(&empty_opts, optarg, 0);
- if (qopts == NULL) {
+ if (!qemu_opts_parse(&empty_opts, optarg, 0)) {
printf("could not parse option list -- %s\n", optarg);
+ qemu_opts_reset(&empty_opts);
return 0;
}
- opts = qemu_opts_to_qdict(qopts, opts);
- qemu_opts_del(qopts);
break;
default:
+ qemu_opts_reset(&empty_opts);
return qemuio_command_usage(&open_cmd);
}
}
flags |= BDRV_O_RDWR;
}
+ qopts = qemu_opts_find(&empty_opts, NULL);
+ opts = qopts ? qemu_opts_to_qdict(qopts, NULL) : NULL;
+ qemu_opts_reset(&empty_opts);
+
if (optind == argc - 1) {
- return openfile(argv[optind], flags, growable, opts);
+ return openfile(argv[optind], flags, opts);
} else if (optind == argc) {
- return openfile(NULL, flags, growable, opts);
+ return openfile(NULL, flags, opts);
} else {
+ QDECREF(opts);
return qemuio_command_usage(&open_cmd);
}
}
-static int quit_f(BlockDriverState *bs, int argc, char **argv)
+static int quit_f(BlockBackend *blk, int argc, char **argv)
{
return 1;
}
static void usage(const char *name)
{
printf(
-"Usage: %s [-h] [-V] [-rsnm] [-c STRING] ... [file]\n"
+"Usage: %s [-h] [-V] [-rsnm] [-f FMT] [-c STRING] ... [file]\n"
"QEMU Disk exerciser\n"
"\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"
" -r, --read-only export read-only\n"
" -s, --snapshot use snapshot file\n"
" -n, --nocache disable host cache\n"
-" -g, --growable allow file to grow (only applies to protocols)\n"
" -m, --misalign misalign allocations for O_DIRECT\n"
" -k, --native-aio use kernel AIO implementation (on Linux only)\n"
" -t, --cache=MODE use the given cache mode for the image\n"
char *input;
for (i = 0; !done && i < ncmdline; i++) {
- done = qemuio_command(qemuio_bs, cmdline[i]);
+ done = qemuio_command(qemuio_blk, cmdline[i]);
}
if (cmdline) {
g_free(cmdline);
if (input == NULL) {
break;
}
- done = qemuio_command(qemuio_bs, input);
+ done = qemuio_command(qemuio_blk, input);
g_free(input);
prompted = 0;
static void add_user_command(char *optarg)
{
- cmdline = g_realloc(cmdline, ++ncmdline * sizeof(char *));
+ cmdline = g_renew(char *, cmdline, ++ncmdline);
cmdline[ncmdline-1] = optarg;
}
int main(int argc, char **argv)
{
int readonly = 0;
- int growable = 0;
- const char *sopt = "hVc:d:rsnmgkt:T:";
+ 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' },
- { "growable", 0, NULL, 'g' },
{ "native-aio", 0, NULL, 'k' },
{ "discard", 1, NULL, 'd' },
{ "cache", 1, NULL, 't' },
int c;
int opt_index = 0;
int flags = BDRV_O_UNMAP;
+ Error *local_error = NULL;
+ QDict *opts = NULL;
#ifdef CONFIG_POSIX
signal(SIGPIPE, SIG_IGN);
progname = basename(argv[0]);
qemu_init_exec_dir(argv[0]);
+ bdrv_init();
+
while ((c = getopt_long(argc, argv, sopt, lopt, &opt_index)) != -1) {
switch (c) {
case 's':
exit(1);
}
break;
+ case 'f':
+ if (!opts) {
+ opts = qdict_new();
+ }
+ qdict_put(opts, "driver", qstring_from_str(optarg));
+ break;
case 'c':
add_user_command(optarg);
break;
case 'm':
qemuio_misalign = true;
break;
- case 'g':
- growable = 1;
- break;
case 'k':
flags |= BDRV_O_NATIVE_AIO;
break;
}
break;
case 'T':
- if (!trace_backend_init(optarg, NULL)) {
+ if (!trace_init_backends(optarg, NULL)) {
exit(1); /* error message will have been printed */
}
break;
exit(1);
}
- qemu_init_main_loop();
- bdrv_init();
+ if (qemu_init_main_loop(&local_error)) {
+ error_report_err(local_error);
+ exit(1);
+ }
/* initialize commands */
qemuio_add_command(&quit_cmd);
}
if ((argc - optind) == 1) {
- openfile(argv[optind], flags, growable, NULL);
+ openfile(argv[optind], flags, opts);
}
command_loop();
*/
bdrv_drain_all();
- if (qemuio_bs) {
- bdrv_unref(qemuio_bs);
- }
+ blk_unref(qemuio_blk);
g_free(readline_state);
return 0;
}
projects / mirror_qemu.git / blobdiff