#include "qemu-io.h"
#include "qemu/main-loop.h"
+#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"
#define CMD_NOFILE_OK 0x01
-char *progname;
+static char *progname;
-BlockDriverState *qemuio_bs;
-extern int qemuio_misalign;
+static BlockBackend *qemuio_blk;
/* qemu-io commands passed using -c */
static int ncmdline;
static char **cmdline;
-static int close_f(BlockDriverState *bs, int argc, char **argv)
+static ReadLineState *readline_state;
+
+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)
+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_file_open(&qemuio_bs, name, NULL, flags, &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");
-
- if (bdrv_open(qemuio_bs, name, NULL, 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)"
+" -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",
.argmin = 1,
.argmax = -1,
.flags = CMD_NOFILE_OK,
- .args = "[-Crsn] [path]",
+ .args = "[-Crsn] [-o options] [path]",
.oneline = "open the file specified by path",
.help = open_help,
};
-static int open_f(BlockDriverState *bs, int argc, char **argv)
+static QemuOptsList empty_opts = {
+ .name = "drive",
+ .merge_lists = true,
+ .head = QTAILQ_HEAD_INITIALIZER(empty_opts.head),
+ .desc = {
+ /* no elements => accept any params */
+ { /* end of list */ }
+ },
+};
+
+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;
- while ((c = getopt(argc, argv, "snrg")) != EOF) {
+ while ((c = getopt(argc, argv, "snrgo:")) != EOF) {
switch (c) {
case 's':
flags |= BDRV_O_SNAPSHOT;
case 'r':
readonly = 1;
break;
- case 'g':
- growable = 1;
+ case 'o':
+ if (!qemu_opts_parse(&empty_opts, optarg, 0)) {
+ printf("could not parse option list -- %s\n", optarg);
+ qemu_opts_reset(&empty_opts);
+ return 0;
+ }
break;
default:
+ qemu_opts_reset(&empty_opts);
return qemuio_command_usage(&open_cmd);
}
}
flags |= BDRV_O_RDWR;
}
- if (optind != argc - 1) {
+ 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, opts);
+ } else if (optind == argc) {
+ return openfile(NULL, flags, opts);
+ } else {
+ QDECREF(opts);
return qemuio_command_usage(&open_cmd);
}
-
- return openfile(argv[optind], flags, growable);
}
-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 cmd] ... [file]\n"
+"Usage: %s [-h] [-V] [-rsnm] [-f FMT] [-c STRING] ... [file]\n"
"QEMU Disk exerciser\n"
"\n"
-" -c, --cmd command to execute\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"
" -T, --trace FILE enable trace events listed in the given file\n"
" -h, --help display this help and exit\n"
" -V, --version output version information and exit\n"
+"\n"
+"See '%s -c help' for information on available commands."
"\n",
- name);
+ name, name);
}
-
-#if defined(ENABLE_READLINE)
-# include <readline/history.h>
-# include <readline/readline.h>
-#elif defined(ENABLE_EDITLINE)
-# include <histedit.h>
-#endif
-
static char *get_prompt(void)
{
static char prompt[FILENAME_MAX + 2 /*"> "*/ + 1 /*"\0"*/ ];
return prompt;
}
-#if defined(ENABLE_READLINE)
-static char *fetchline(void)
+static void GCC_FMT_ATTR(2, 3) readline_printf_func(void *opaque,
+ const char *fmt, ...)
{
- char *line = readline(get_prompt());
- if (line && *line) {
- add_history(line);
- }
- return line;
+ va_list ap;
+ va_start(ap, fmt);
+ vprintf(fmt, ap);
+ va_end(ap);
}
-#elif defined(ENABLE_EDITLINE)
-static char *el_get_prompt(EditLine *e)
+
+static void readline_flush_func(void *opaque)
{
- return get_prompt();
+ fflush(stdout);
}
-static char *fetchline(void)
+static void readline_func(void *opaque, const char *str, void *readline_opaque)
{
- static EditLine *el;
- static History *hist;
- HistEvent hevent;
- char *line;
- int count;
-
- if (!el) {
- hist = history_init();
- history(hist, &hevent, H_SETSIZE, 100);
- el = el_init(progname, stdin, stdout, stderr);
- el_source(el, NULL);
- el_set(el, EL_SIGNAL, 1);
- el_set(el, EL_PROMPT, el_get_prompt);
- el_set(el, EL_HIST, history, (const char *)hist);
- }
- line = strdup(el_gets(el, &count));
- if (line) {
- if (count > 0) {
- line[count-1] = '\0';
- }
- if (*line) {
- history(hist, &hevent, H_ENTER, line);
+ char **line = readline_opaque;
+ *line = g_strdup(str);
+}
+
+static void completion_match(const char *cmd, void *opaque)
+{
+ readline_add_completion(readline_state, cmd);
+}
+
+static void readline_completion_func(void *opaque, const char *str)
+{
+ readline_set_completion_index(readline_state, strlen(str));
+ qemuio_complete_command(str, completion_match, NULL);
+}
+
+static char *fetchline_readline(void)
+{
+ char *line = NULL;
+
+ readline_start(readline_state, get_prompt(), 0, readline_func, &line);
+ while (!line) {
+ int ch = getchar();
+ if (ch == EOF) {
+ break;
}
+ readline_handle_byte(readline_state, ch);
}
return line;
}
-#else
-# define MAXREADLINESZ 1024
-static char *fetchline(void)
+
+#define MAXREADLINESZ 1024
+static char *fetchline_fgets(void)
{
char *p, *line = g_malloc(MAXREADLINESZ);
return line;
}
-#endif
+
+static char *fetchline(void)
+{
+ if (readline_state) {
+ return fetchline_readline();
+ } else {
+ return fetchline_fgets();
+ }
+}
static void prep_fetchline(void *opaque)
{
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;
}
+static void reenable_tty_echo(void)
+{
+ qemu_set_tty_echo(STDIN_FILENO, true);
+}
+
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);
#endif
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) {
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;
readonly = 1;
break;
case 'm':
- qemuio_misalign = 1;
- break;
- case 'g':
- growable = 1;
+ qemuio_misalign = true;
break;
case 'k':
flags |= BDRV_O_NATIVE_AIO;
}
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);
qemuio_add_command(&open_cmd);
qemuio_add_command(&close_cmd);
+ if (isatty(STDIN_FILENO)) {
+ readline_state = readline_init(readline_printf_func,
+ readline_flush_func,
+ NULL,
+ readline_completion_func);
+ qemu_set_tty_echo(STDIN_FILENO, false);
+ atexit(reenable_tty_echo);
+ }
+
/* open the device */
if (!readonly) {
flags |= BDRV_O_RDWR;
}
if ((argc - optind) == 1) {
- openfile(argv[optind], flags, growable);
+ 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 / qemu.git / blobdiff