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-rw-r--r--qemu/qemu-io.c587
1 files changed, 0 insertions, 587 deletions
diff --git a/qemu/qemu-io.c b/qemu/qemu-io.c
deleted file mode 100644
index 0598251e7..000000000
--- a/qemu/qemu-io.c
+++ /dev/null
@@ -1,587 +0,0 @@
-/*
- * Command line utility to exercise the QEMU I/O path.
- *
- * Copyright (C) 2009 Red Hat, Inc.
- * Copyright (c) 2003-2005 Silicon Graphics, Inc.
- *
- * This work is licensed under the terms of the GNU GPL, version 2 or later.
- * See the COPYING file in the top-level directory.
- */
-#include "qemu/osdep.h"
-#include <getopt.h>
-#include <libgen.h>
-
-#include "qapi/error.h"
-#include "qemu-io.h"
-#include "qemu/error-report.h"
-#include "qemu/main-loop.h"
-#include "qemu/option.h"
-#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"
-#include "crypto/init.h"
-
-#define CMD_NOFILE_OK 0x01
-
-static char *progname;
-
-static BlockBackend *qemuio_blk;
-
-/* qemu-io commands passed using -c */
-static int ncmdline;
-static char **cmdline;
-static bool imageOpts;
-
-static ReadLineState *readline_state;
-
-static int close_f(BlockBackend *blk, int argc, char **argv)
-{
- blk_unref(qemuio_blk);
- qemuio_blk = NULL;
- return 0;
-}
-
-static const cmdinfo_t close_cmd = {
- .name = "close",
- .altname = "c",
- .cfunc = close_f,
- .oneline = "close the current open file",
-};
-
-static int openfile(char *name, int flags, bool writethrough, QDict *opts)
-{
- Error *local_err = NULL;
- BlockDriverState *bs;
-
- if (qemuio_blk) {
- error_report("file open already, try 'help close'");
- QDECREF(opts);
- return 1;
- }
-
- qemuio_blk = blk_new_open(name, NULL, opts, flags, &local_err);
- if (!qemuio_blk) {
- error_reportf_err(local_err, "can't open%s%s: ",
- name ? " device " : "", name ?: "");
- return 1;
- }
-
- bs = blk_bs(qemuio_blk);
- if (bdrv_is_encrypted(bs) && bdrv_key_required(bs)) {
- char password[256];
- printf("Disk image '%s' is encrypted.\n", name);
- if (qemu_read_password(password, sizeof(password)) < 0) {
- error_report("No password given");
- goto error;
- }
- if (bdrv_set_key(bs, password) < 0) {
- error_report("invalid password");
- goto error;
- }
- }
-
- blk_set_enable_write_cache(qemuio_blk, !writethrough);
-
- return 0;
-
- error:
- blk_unref(qemuio_blk);
- qemuio_blk = NULL;
- return 1;
-}
-
-static void open_help(void)
-{
- printf(
-"\n"
-" opens a new file in the requested mode\n"
-"\n"
-" Example:\n"
-" 'open -Cn /tmp/data' - creates/opens data file read-write and uncached\n"
-"\n"
-" Opens a file for subsequent use by all of the other qemu-io commands.\n"
-" -r, -- open file read-only\n"
-" -s, -- use snapshot file\n"
-" -n, -- disable host cache\n"
-" -o, -- options to be given to the block driver"
-"\n");
-}
-
-static int open_f(BlockBackend *blk, int argc, char **argv);
-
-static const cmdinfo_t open_cmd = {
- .name = "open",
- .altname = "o",
- .cfunc = open_f,
- .argmin = 1,
- .argmax = -1,
- .flags = CMD_NOFILE_OK,
- .args = "[-Crsn] [-o options] [path]",
- .oneline = "open the file specified by path",
- .help = open_help,
-};
-
-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;
- bool writethrough = true;
- int c;
- QemuOpts *qopts;
- QDict *opts;
-
- while ((c = getopt(argc, argv, "snrgo:")) != -1) {
- switch (c) {
- case 's':
- flags |= BDRV_O_SNAPSHOT;
- break;
- case 'n':
- flags |= BDRV_O_NOCACHE;
- writethrough = false;
- break;
- case 'r':
- 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;
- }
- break;
- default:
- qemu_opts_reset(&empty_opts);
- return qemuio_command_usage(&open_cmd);
- }
- }
-
- if (!readonly) {
- 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);
-
- if (optind == argc - 1) {
- return openfile(argv[optind], flags, writethrough, opts);
- } else if (optind == argc) {
- return openfile(NULL, flags, writethrough, opts);
- } else {
- QDECREF(opts);
- return qemuio_command_usage(&open_cmd);
- }
-}
-
-static int quit_f(BlockBackend *blk, int argc, char **argv)
-{
- return 1;
-}
-
-static const cmdinfo_t quit_cmd = {
- .name = "quit",
- .altname = "q",
- .cfunc = quit_f,
- .argmin = -1,
- .argmax = -1,
- .flags = CMD_FLAG_GLOBAL,
- .oneline = "exit the program",
-};
-
-static void usage(const char *name)
-{
- printf(
-"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"
-" -r, --read-only export read-only\n"
-" -s, --snapshot use snapshot file\n"
-" -n, --nocache disable host cache\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);
-}
-
-static char *get_prompt(void)
-{
- static char prompt[FILENAME_MAX + 2 /*"> "*/ + 1 /*"\0"*/ ];
-
- if (!prompt[0]) {
- snprintf(prompt, sizeof(prompt), "%s> ", progname);
- }
-
- return prompt;
-}
-
-static void GCC_FMT_ATTR(2, 3) readline_printf_func(void *opaque,
- const char *fmt, ...)
-{
- va_list ap;
- va_start(ap, fmt);
- vprintf(fmt, ap);
- va_end(ap);
-}
-
-static void readline_flush_func(void *opaque)
-{
- fflush(stdout);
-}
-
-static void readline_func(void *opaque, const char *str, void *readline_opaque)
-{
- 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;
-}
-
-#define MAXREADLINESZ 1024
-static char *fetchline_fgets(void)
-{
- char *p, *line = g_malloc(MAXREADLINESZ);
-
- if (!fgets(line, MAXREADLINESZ, stdin)) {
- g_free(line);
- return NULL;
- }
-
- p = line + strlen(line);
- if (p != line && p[-1] == '\n') {
- p[-1] = '\0';
- }
-
- return line;
-}
-
-static char *fetchline(void)
-{
- if (readline_state) {
- return fetchline_readline();
- } else {
- return fetchline_fgets();
- }
-}
-
-static void prep_fetchline(void *opaque)
-{
- int *fetchable = opaque;
-
- qemu_set_fd_handler(STDIN_FILENO, NULL, NULL, NULL);
- *fetchable= 1;
-}
-
-static void command_loop(void)
-{
- int i, done = 0, fetchable = 0, prompted = 0;
- char *input;
-
- for (i = 0; !done && i < ncmdline; i++) {
- done = qemuio_command(qemuio_blk, cmdline[i]);
- }
- if (cmdline) {
- g_free(cmdline);
- return;
- }
-
- while (!done) {
- if (!prompted) {
- printf("%s", get_prompt());
- fflush(stdout);
- qemu_set_fd_handler(STDIN_FILENO, prep_fetchline, NULL, &fetchable);
- prompted = 1;
- }
-
- main_loop_wait(false);
-
- if (!fetchable) {
- continue;
- }
-
- input = fetchline();
- if (input == NULL) {
- break;
- }
- done = qemuio_command(qemuio_blk, input);
- g_free(input);
-
- prompted = 0;
- fetchable = 0;
- }
- qemu_set_fd_handler(STDIN_FILENO, NULL, NULL, NULL);
-}
-
-static void add_user_command(char *optarg)
-{
- cmdline = g_renew(char *, cmdline, ++ncmdline);
- cmdline[ncmdline-1] = optarg;
-}
-
-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", 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;
- int opt_index = 0;
- int flags = BDRV_O_UNMAP;
- bool writethrough = true;
- Error *local_error = NULL;
- QDict *opts = NULL;
- const char *format = NULL;
-
-#ifdef CONFIG_POSIX
- signal(SIGPIPE, SIG_IGN);
-#endif
-
- progname = basename(argv[0]);
- qemu_init_exec_dir(argv[0]);
-
- if (qcrypto_init(&local_error) < 0) {
- error_reportf_err(local_error, "cannot initialize crypto: ");
- exit(1);
- }
-
- 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) {
- switch (c) {
- case 's':
- flags |= BDRV_O_SNAPSHOT;
- break;
- case 'n':
- flags |= BDRV_O_NOCACHE;
- writethrough = false;
- break;
- case 'd':
- if (bdrv_parse_discard_flags(optarg, &flags) < 0) {
- error_report("Invalid discard option: %s", optarg);
- exit(1);
- }
- break;
- case 'f':
- format = optarg;
- break;
- case 'c':
- add_user_command(optarg);
- break;
- case 'r':
- readonly = 1;
- break;
- case 'm':
- qemuio_misalign = true;
- break;
- case 'k':
- flags |= BDRV_O_NATIVE_AIO;
- break;
- case 't':
- if (bdrv_parse_cache_mode(optarg, &flags, &writethrough) < 0) {
- error_report("Invalid cache option: %s", optarg);
- exit(1);
- }
- break;
- case 'T':
- if (!trace_init_backends()) {
- exit(1); /* error message will have been printed */
- }
- break;
- case 'V':
- printf("%s version %s\n", progname, QEMU_VERSION);
- exit(0);
- 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);
- }
- }
-
- if ((argc - optind) > 1) {
- usage(progname);
- 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, NULL)) {
- 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) {
- 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, writethrough, opts);
- } else {
- if (format) {
- opts = qdict_new();
- qdict_put(opts, "driver", qstring_from_str(format));
- }
- openfile(argv[optind], flags, writethrough, opts);
- }
- }
- command_loop();
-
- /*
- * Make sure all outstanding requests complete before the program exits.
- */
- bdrv_drain_all();
-
- blk_unref(qemuio_blk);
- g_free(readline_state);
- return 0;
-}