From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:58749) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aQaWx-00080t-Kk for qemu-devel@nongnu.org; Tue, 02 Feb 2016 07:58:06 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aQaWv-0005B0-0h for qemu-devel@nongnu.org; Tue, 02 Feb 2016 07:58:03 -0500 From: "Daniel P. Berrange" Date: Tue, 2 Feb 2016 12:57:36 +0000 Message-Id: <1454417864-18774-3-git-send-email-berrange@redhat.com> In-Reply-To: <1454417864-18774-1-git-send-email-berrange@redhat.com> References: <1454417864-18774-1-git-send-email-berrange@redhat.com> Subject: [Qemu-devel] [PATCH v5 02/10] qemu-img: add support for --object command line arg List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Kevin Wolf , qemu-block@nongnu.org, Markus Armbruster , Paolo Bonzini , =?UTF-8?q?Andreas=20F=C3=A4rber?= Allow creation of user creatable object types with qemu-img via a new --object command line arg. This will be used to supply passwords and/or encryption keys to the various block driver backends via the recently added 'secret' object type. # printf letmein > mypasswd.txt # qemu-img info --object secret,id=sec0,file=mypasswd.txt \ ...other info args... Signed-off-by: Daniel P. Berrange --- qemu-img-cmds.hx | 44 ++++----- qemu-img.c | 269 +++++++++++++++++++++++++++++++++++++++++++++++++++++-- qemu-img.texi | 8 ++ 3 files changed, 291 insertions(+), 30 deletions(-) diff --git a/qemu-img-cmds.hx b/qemu-img-cmds.hx index 9567774..0eaf307 100644 --- a/qemu-img-cmds.hx +++ b/qemu-img-cmds.hx @@ -10,68 +10,68 @@ STEXI ETEXI DEF("check", img_check, - "check [-q] [-f fmt] [--output=ofmt] [-r [leaks | all]] [-T src_cache] filename") + "check [-q] [--object objectdef] [-f fmt] [--output=ofmt] [-r [leaks | all]] [-T src_cache] filename") STEXI -@item check [-q] [-f @var{fmt}] [--output=@var{ofmt}] [-r [leaks | all]] [-T @var{src_cache}] @var{filename} +@item check [--object @var{objectdef}] [-q] [-f @var{fmt}] [--output=@var{ofmt}] [-r [leaks | all]] [-T @var{src_cache}] @var{filename} ETEXI DEF("create", img_create, - "create [-q] [-f fmt] [-o options] filename [size]") + "create [-q] [--object objectdef] [-f fmt] [-o options] filename [size]") STEXI -@item create [-q] [-f @var{fmt}] [-o @var{options}] @var{filename} [@var{size}] +@item create [--object @var{objectdef}] [-q] [-f @var{fmt}] [-o @var{options}] @var{filename} [@var{size}] ETEXI DEF("commit", img_commit, - "commit [-q] [-f fmt] [-t cache] [-b base] [-d] [-p] filename") + "commit [-q] [--object objectdef] [-f fmt] [-t cache] [-b base] [-d] [-p] filename") STEXI -@item commit [-q] [-f @var{fmt}] [-t @var{cache}] [-b @var{base}] [-d] [-p] @var{filename} +@item commit [--object @var{objectdef}] [-q] [-f @var{fmt}] [-t @var{cache}] [-b @var{base}] [-d] [-p] @var{filename} ETEXI DEF("compare", img_compare, - "compare [-f fmt] [-F fmt] [-T src_cache] [-p] [-q] [-s] filename1 filename2") + "compare [--object objectdef] [-f fmt] [-F fmt] [-T src_cache] [-p] [-q] [-s] filename1 filename2") STEXI -@item compare [-f @var{fmt}] [-F @var{fmt}] [-T @var{src_cache}] [-p] [-q] [-s] @var{filename1} @var{filename2} +@item compare [--object @var{objectdef}] [-f @var{fmt}] [-F @var{fmt}] [-T @var{src_cache}] [-p] [-q] [-s] @var{filename1} @var{filename2} ETEXI DEF("convert", img_convert, - "convert [-c] [-p] [-q] [-n] [-f fmt] [-t cache] [-T src_cache] [-O output_fmt] [-o options] [-s snapshot_id_or_name] [-l snapshot_param] [-S sparse_size] filename [filename2 [...]] output_filename") + "convert [--object objectdef] [-c] [-p] [-q] [-n] [-f fmt] [-t cache] [-T src_cache] [-O output_fmt] [-o options] [-s snapshot_id_or_name] [-l snapshot_param] [-S sparse_size] filename [filename2 [...]] output_filename") STEXI -@item convert [-c] [-p] [-q] [-n] [-f @var{fmt}] [-t @var{cache}] [-T @var{src_cache}] [-O @var{output_fmt}] [-o @var{options}] [-s @var{snapshot_id_or_name}] [-l @var{snapshot_param}] [-S @var{sparse_size}] @var{filename} [@var{filename2} [...]] @var{output_filename} +@item convert [--object @var{objectdef}] [-c] [-p] [-q] [-n] [-f @var{fmt}] [-t @var{cache}] [-T @var{src_cache}] [-O @var{output_fmt}] [-o @var{options}] [-s @var{snapshot_id_or_name}] [-l @var{snapshot_param}] [-S @var{sparse_size}] @var{filename} [@var{filename2} [...]] @var{output_filename} ETEXI DEF("info", img_info, - "info [-f fmt] [--output=ofmt] [--backing-chain] filename") + "info [--object objectdef] [-f fmt] [--output=ofmt] [--backing-chain] filename") STEXI -@item info [-f @var{fmt}] [--output=@var{ofmt}] [--backing-chain] @var{filename} +@item info [--object @var{objectdef}] [-f @var{fmt}] [--output=@var{ofmt}] [--backing-chain] @var{filename} ETEXI DEF("map", img_map, - "map [-f fmt] [--output=ofmt] filename") + "map [--object objectdef] [-f fmt] [--output=ofmt] filename") STEXI -@item map [-f @var{fmt}] [--output=@var{ofmt}] @var{filename} +@item map [--object @var{objectdef}] [-f @var{fmt}] [--output=@var{ofmt}] @var{filename} ETEXI DEF("snapshot", img_snapshot, - "snapshot [-q] [-l | -a snapshot | -c snapshot | -d snapshot] filename") + "snapshot [--object objectdef] [-q] [-l | -a snapshot | -c snapshot | -d snapshot] filename") STEXI -@item snapshot [-q] [-l | -a @var{snapshot} | -c @var{snapshot} | -d @var{snapshot}] @var{filename} +@item snapshot [--object @var{objectdef}] [-q] [-l | -a @var{snapshot} | -c @var{snapshot} | -d @var{snapshot}] @var{filename} ETEXI DEF("rebase", img_rebase, - "rebase [-q] [-f fmt] [-t cache] [-T src_cache] [-p] [-u] -b backing_file [-F backing_fmt] filename") + "rebase [--object objectdef] [-q] [-f fmt] [-t cache] [-T src_cache] [-p] [-u] -b backing_file [-F backing_fmt] filename") STEXI -@item rebase [-q] [-f @var{fmt}] [-t @var{cache}] [-T @var{src_cache}] [-p] [-u] -b @var{backing_file} [-F @var{backing_fmt}] @var{filename} +@item rebase [--object @var{objectdef}] [-q] [-f @var{fmt}] [-t @var{cache}] [-T @var{src_cache}] [-p] [-u] -b @var{backing_file} [-F @var{backing_fmt}] @var{filename} ETEXI DEF("resize", img_resize, - "resize [-q] filename [+ | -]size") + "resize [--object objectdef] [-q] filename [+ | -]size") STEXI -@item resize [-q] @var{filename} [+ | -]@var{size} +@item resize [--object @var{objectdef}] [-q] @var{filename} [+ | -]@var{size} ETEXI DEF("amend", img_amend, - "amend [-p] [-q] [-f fmt] [-t cache] -o options filename") + "amend [--object objectdef] [-p] [-q] [-f fmt] [-t cache] -o options filename") STEXI -@item amend [-p] [-q] [-f @var{fmt}] [-t @var{cache}] -o @var{options} @var{filename} +@item amend [--object @var{objectdef}] [-p] [-q] [-f @var{fmt}] [-t @var{cache}] -o @var{options} @var{filename} @end table ETEXI diff --git a/qemu-img.c b/qemu-img.c index 33e451c..524b64f 100644 --- a/qemu-img.c +++ b/qemu-img.c @@ -27,8 +27,10 @@ #include "qapi/qmp/qerror.h" #include "qapi/qmp/qjson.h" #include "qemu-common.h" +#include "qemu/config-file.h" #include "qemu/option.h" #include "qemu/error-report.h" +#include "qom/object_interfaces.h" #include "sysemu/sysemu.h" #include "sysemu/block-backend.h" #include "block/block_int.h" @@ -47,6 +49,7 @@ typedef struct img_cmd_t { enum { OPTION_OUTPUT = 256, OPTION_BACKING_CHAIN = 257, + OPTION_OBJECT = 258, }; typedef enum OutputFormat { @@ -94,6 +97,10 @@ static void QEMU_NORETURN help(void) "\n" "Command parameters:\n" " 'filename' is a disk image filename\n" + " 'objectdef' is a QEMU user creatable object definition. See the @code{qemu(1)}\n" + " manual page for a description of the object properties. The common object\n" + " type that it makes sense to define is 'secret' object, which is used to\n" + " supply passwords and/or encryption keys.\n" " 'fmt' is the disk image format. It is guessed automatically in most cases\n" " 'cache' is the cache mode used to write the output disk image, the valid\n" " options are: 'none', 'writeback' (default, except for convert), 'writethrough',\n" @@ -154,6 +161,15 @@ static void QEMU_NORETURN help(void) exit(EXIT_SUCCESS); } +static QemuOptsList qemu_object_opts = { + .name = "object", + .implied_opt_name = "qom-type", + .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head), + .desc = { + { } + }, +}; + static int GCC_FMT_ATTR(2, 3) qprintf(bool quiet, const char *fmt, ...) { int ret = 0; @@ -275,7 +291,14 @@ static int img_create(int argc, char **argv) bool quiet = false; for(;;) { - c = getopt(argc, argv, "F:b:f:he6o:q"); + int option_index = 0; + static const struct option long_options[] = { + {"help", no_argument, 0, 'h'}, + {"object", required_argument, 0, OPTION_OBJECT}, + {0, 0, 0, 0} + }; + c = getopt_long(argc, argv, "F:b:f:he6o:q", + long_options, &option_index); if (c == -1) { break; } @@ -317,6 +340,14 @@ static int img_create(int argc, char **argv) case 'q': quiet = true; break; + case OPTION_OBJECT: { + QemuOpts *opts; + opts = qemu_opts_parse_noisily(&qemu_object_opts, + optarg, true); + if (!opts) { + goto fail; + } + } break; } } @@ -332,6 +363,13 @@ static int img_create(int argc, char **argv) } optind++; + if (qemu_opts_foreach(&qemu_object_opts, + user_creatable_add_opts_foreach, + NULL, &local_err)) { + error_report_err(local_err); + goto fail; + } + /* Get image size, if specified */ if (optind < argc) { int64_t sval; @@ -489,6 +527,7 @@ static int img_check(int argc, char **argv) int flags = BDRV_O_FLAGS | BDRV_O_CHECK; ImageCheck *check; bool quiet = false; + Error *local_err = NULL; fmt = NULL; output = NULL; @@ -500,6 +539,7 @@ static int img_check(int argc, char **argv) {"format", required_argument, 0, 'f'}, {"repair", required_argument, 0, 'r'}, {"output", required_argument, 0, OPTION_OUTPUT}, + {"object", required_argument, 0, OPTION_OBJECT}, {0, 0, 0, 0} }; c = getopt_long(argc, argv, "hf:r:T:q", @@ -536,6 +576,14 @@ static int img_check(int argc, char **argv) case 'q': quiet = true; break; + case OPTION_OBJECT: { + QemuOpts *opts; + opts = qemu_opts_parse_noisily(&qemu_object_opts, + optarg, true); + if (!opts) { + return 1; + } + } break; } } if (optind != argc - 1) { @@ -552,6 +600,13 @@ static int img_check(int argc, char **argv) return 1; } + if (qemu_opts_foreach(&qemu_object_opts, + user_creatable_add_opts_foreach, + NULL, &local_err)) { + error_report_err(local_err); + return 1; + } + ret = bdrv_parse_cache_flags(cache, &flags); if (ret < 0) { error_report("Invalid source cache option: %s", cache); @@ -675,7 +730,14 @@ static int img_commit(int argc, char **argv) cache = BDRV_DEFAULT_CACHE; base = NULL; for(;;) { - c = getopt(argc, argv, "f:ht:b:dpq"); + int option_index = 0; + static const struct option long_options[] = { + {"help", no_argument, 0, 'h'}, + {"object", required_argument, 0, OPTION_OBJECT}, + {0, 0, 0, 0} + }; + c = getopt_long(argc, argv, "f:ht:b:dpq", + long_options, &option_index); if (c == -1) { break; } @@ -704,6 +766,14 @@ static int img_commit(int argc, char **argv) case 'q': quiet = true; break; + case OPTION_OBJECT: { + QemuOpts *opts; + opts = qemu_opts_parse_noisily(&qemu_object_opts, + optarg, true); + if (!opts) { + return 1; + } + } break; } } @@ -717,6 +787,13 @@ static int img_commit(int argc, char **argv) } filename = argv[optind++]; + if (qemu_opts_foreach(&qemu_object_opts, + user_creatable_add_opts_foreach, + NULL, &local_err)) { + error_report_err(local_err); + return 1; + } + flags = BDRV_O_RDWR | BDRV_O_UNMAP; ret = bdrv_parse_cache_flags(cache, &flags); if (ret < 0) { @@ -973,10 +1050,18 @@ static int img_compare(int argc, char **argv) int64_t nb_sectors; int c, pnum; uint64_t progress_base; + Error *local_err = NULL; cache = BDRV_DEFAULT_CACHE; for (;;) { - c = getopt(argc, argv, "hf:F:T:pqs"); + int option_index = 0; + static const struct option long_options[] = { + {"help", no_argument, 0, 'h'}, + {"object", required_argument, 0, OPTION_OBJECT}, + {0, 0, 0, 0} + }; + c = getopt_long(argc, argv, "hf:F:T:pqs", + long_options, &option_index); if (c == -1) { break; } @@ -1003,6 +1088,15 @@ static int img_compare(int argc, char **argv) case 's': strict = true; break; + case OPTION_OBJECT: { + QemuOpts *opts; + opts = qemu_opts_parse_noisily(&qemu_object_opts, + optarg, true); + if (!opts) { + ret = 2; + goto out4; + } + } break; } } @@ -1018,6 +1112,14 @@ static int img_compare(int argc, char **argv) filename1 = argv[optind++]; filename2 = argv[optind++]; + if (qemu_opts_foreach(&qemu_object_opts, + user_creatable_add_opts_foreach, + NULL, &local_err)) { + error_report_err(local_err); + ret = 2; + goto out4; + } + /* Initialize before goto out */ qemu_progress_init(progress, 2.0); @@ -1223,6 +1325,7 @@ out2: blk_unref(blk1); out3: qemu_progress_end(); +out4: return ret; } @@ -1552,7 +1655,14 @@ static int img_convert(int argc, char **argv) compress = 0; skip_create = 0; for(;;) { - c = getopt(argc, argv, "hf:O:B:ce6o:s:l:S:pt:T:qn"); + int option_index = 0; + static const struct option long_options[] = { + {"help", no_argument, 0, 'h'}, + {"object", required_argument, 0, OPTION_OBJECT}, + {0, 0, 0, 0} + }; + c = getopt_long(argc, argv, "hf:O:B:ce6o:s:l:S:pt:T:qn", + long_options, &option_index); if (c == -1) { break; } @@ -1643,9 +1753,23 @@ static int img_convert(int argc, char **argv) case 'n': skip_create = 1; break; + case OPTION_OBJECT: + opts = qemu_opts_parse_noisily(&qemu_object_opts, + optarg, true); + if (!opts) { + goto fail_getopt; + } + break; } } + if (qemu_opts_foreach(&qemu_object_opts, + user_creatable_add_opts_foreach, + NULL, &local_err)) { + error_report_err(local_err); + goto fail_getopt; + } + /* Initialize before goto out */ if (quiet) { progress = 0; @@ -2075,6 +2199,7 @@ static int img_info(int argc, char **argv) bool chain = false; const char *filename, *fmt, *output; ImageInfoList *list; + Error *local_err = NULL; fmt = NULL; output = NULL; @@ -2085,6 +2210,7 @@ static int img_info(int argc, char **argv) {"format", required_argument, 0, 'f'}, {"output", required_argument, 0, OPTION_OUTPUT}, {"backing-chain", no_argument, 0, OPTION_BACKING_CHAIN}, + {"object", required_argument, 0, OPTION_OBJECT}, {0, 0, 0, 0} }; c = getopt_long(argc, argv, "f:h", @@ -2106,6 +2232,14 @@ static int img_info(int argc, char **argv) case OPTION_BACKING_CHAIN: chain = true; break; + case OPTION_OBJECT: { + QemuOpts *opts; + opts = qemu_opts_parse_noisily(&qemu_object_opts, + optarg, true); + if (!opts) { + return 1; + } + } break; } } if (optind != argc - 1) { @@ -2122,6 +2256,13 @@ static int img_info(int argc, char **argv) return 1; } + if (qemu_opts_foreach(&qemu_object_opts, + user_creatable_add_opts_foreach, + NULL, &local_err)) { + error_report_err(local_err); + return 1; + } + list = collect_image_info_list(filename, fmt, chain); if (!list) { return 1; @@ -2245,6 +2386,7 @@ static int img_map(int argc, char **argv) int64_t length; MapEntry curr = { .length = 0 }, next; int ret = 0; + Error *local_err = NULL; fmt = NULL; output = NULL; @@ -2254,6 +2396,7 @@ static int img_map(int argc, char **argv) {"help", no_argument, 0, 'h'}, {"format", required_argument, 0, 'f'}, {"output", required_argument, 0, OPTION_OUTPUT}, + {"object", required_argument, 0, OPTION_OBJECT}, {0, 0, 0, 0} }; c = getopt_long(argc, argv, "f:h", @@ -2272,6 +2415,14 @@ static int img_map(int argc, char **argv) case OPTION_OUTPUT: output = optarg; break; + case OPTION_OBJECT: { + QemuOpts *opts; + opts = qemu_opts_parse_noisily(&qemu_object_opts, + optarg, true); + if (!opts) { + return 1; + } + } break; } } if (optind != argc - 1) { @@ -2288,6 +2439,13 @@ static int img_map(int argc, char **argv) return 1; } + if (qemu_opts_foreach(&qemu_object_opts, + user_creatable_add_opts_foreach, + NULL, &local_err)) { + error_report_err(local_err); + return 1; + } + blk = img_open("image", filename, fmt, BDRV_O_FLAGS, true, false); if (!blk) { return 1; @@ -2357,7 +2515,14 @@ static int img_snapshot(int argc, char **argv) bdrv_oflags = BDRV_O_FLAGS | BDRV_O_RDWR; /* Parse commandline parameters */ for(;;) { - c = getopt(argc, argv, "la:c:d:hq"); + int option_index = 0; + static const struct option long_options[] = { + {"help", no_argument, 0, 'h'}, + {"object", required_argument, 0, OPTION_OBJECT}, + {0, 0, 0, 0} + }; + c = getopt_long(argc, argv, "la:c:d:hq", + long_options, &option_index); if (c == -1) { break; } @@ -2401,6 +2566,14 @@ static int img_snapshot(int argc, char **argv) case 'q': quiet = true; break; + case OPTION_OBJECT: { + QemuOpts *opts; + opts = qemu_opts_parse_noisily(&qemu_object_opts, + optarg, true); + if (!opts) { + return 1; + } + } break; } } @@ -2409,6 +2582,13 @@ static int img_snapshot(int argc, char **argv) } filename = argv[optind++]; + if (qemu_opts_foreach(&qemu_object_opts, + user_creatable_add_opts_foreach, + NULL, &err)) { + error_report_err(err); + return 1; + } + /* Open the image */ blk = img_open("image", filename, NULL, bdrv_oflags, true, quiet); if (!blk) { @@ -2482,7 +2662,14 @@ static int img_rebase(int argc, char **argv) out_baseimg = NULL; out_basefmt = NULL; for(;;) { - c = getopt(argc, argv, "hf:F:b:upt:T:q"); + int option_index = 0; + static const struct option long_options[] = { + {"help", no_argument, 0, 'h'}, + {"object", required_argument, 0, OPTION_OBJECT}, + {0, 0, 0, 0} + }; + c = getopt_long(argc, argv, "hf:F:b:upt:T:q", + long_options, &option_index); if (c == -1) { break; } @@ -2515,6 +2702,14 @@ static int img_rebase(int argc, char **argv) case 'q': quiet = true; break; + case OPTION_OBJECT: { + QemuOpts *opts; + opts = qemu_opts_parse_noisily(&qemu_object_opts, + optarg, true); + if (!opts) { + return 1; + } + } break; } } @@ -2530,6 +2725,13 @@ static int img_rebase(int argc, char **argv) } filename = argv[optind++]; + if (qemu_opts_foreach(&qemu_object_opts, + user_creatable_add_opts_foreach, + NULL, &local_err)) { + error_report_err(local_err); + return 1; + } + qemu_progress_init(progress, 2.0); qemu_progress_print(0, 100); @@ -2790,6 +2992,8 @@ static int img_resize(int argc, char **argv) bool quiet = false; BlockBackend *blk = NULL; QemuOpts *param; + Error *local_err = NULL; + static QemuOptsList resize_options = { .name = "resize_options", .head = QTAILQ_HEAD_INITIALIZER(resize_options.head), @@ -2816,7 +3020,14 @@ static int img_resize(int argc, char **argv) /* Parse getopt arguments */ fmt = NULL; for(;;) { - c = getopt(argc, argv, "f:hq"); + int option_index = 0; + static const struct option long_options[] = { + {"help", no_argument, 0, 'h'}, + {"object", required_argument, 0, OPTION_OBJECT}, + {0, 0, 0, 0} + }; + c = getopt_long(argc, argv, "f:hq", + long_options, &option_index); if (c == -1) { break; } @@ -2831,6 +3042,14 @@ static int img_resize(int argc, char **argv) case 'q': quiet = true; break; + case OPTION_OBJECT: { + QemuOpts *opts; + opts = qemu_opts_parse_noisily(&qemu_object_opts, + optarg, true); + if (!opts) { + return 1; + } + } break; } } if (optind != argc - 1) { @@ -2838,6 +3057,13 @@ static int img_resize(int argc, char **argv) } filename = argv[optind++]; + if (qemu_opts_foreach(&qemu_object_opts, + user_creatable_add_opts_foreach, + NULL, &local_err)) { + error_report_err(local_err); + return 1; + } + /* Choose grow, shrink, or absolute resize mode */ switch (size[0]) { case '+': @@ -2925,10 +3151,18 @@ static int img_amend(int argc, char **argv) bool quiet = false, progress = false; BlockBackend *blk = NULL; BlockDriverState *bs = NULL; + Error *local_err = NULL; cache = BDRV_DEFAULT_CACHE; for (;;) { - c = getopt(argc, argv, "ho:f:t:pq"); + int option_index = 0; + static const struct option long_options[] = { + {"help", no_argument, 0, 'h'}, + {"object", required_argument, 0, OPTION_OBJECT}, + {0, 0, 0, 0} + }; + c = getopt_long(argc, argv, "ho:f:t:pq", + long_options, &option_index); if (c == -1) { break; } @@ -2964,6 +3198,14 @@ static int img_amend(int argc, char **argv) case 'q': quiet = true; break; + case OPTION_OBJECT: + opts = qemu_opts_parse_noisily(&qemu_object_opts, + optarg, true); + if (!opts) { + ret = -1; + goto out_no_progress; + } + break; } } @@ -2971,6 +3213,14 @@ static int img_amend(int argc, char **argv) error_exit("Must specify options (-o)"); } + if (qemu_opts_foreach(&qemu_object_opts, + user_creatable_add_opts_foreach, + NULL, &local_err)) { + error_report_err(local_err); + ret = -1; + goto out_no_progress; + } + if (quiet) { progress = false; } @@ -3093,6 +3343,9 @@ int main(int argc, char **argv) } cmdname = argv[1]; + module_call_init(MODULE_INIT_QOM); + qemu_add_opts(&qemu_object_opts); + /* find the command */ for (cmd = img_cmds; cmd->name != NULL; cmd++) { if (!strcmp(cmdname, cmd->name)) { diff --git a/qemu-img.texi b/qemu-img.texi index 7163a10..612f15a 100644 --- a/qemu-img.texi +++ b/qemu-img.texi @@ -24,6 +24,14 @@ Command parameters: @table @var @item filename is a disk image filename + +@item --object @var{objectdef} + +is a QEMU user creatable object definition. See the @code{qemu(1)} manual +page for a description of the object properties. The only object type that +it makes sense to define is the @code{secret} object, which is used to +supply passwords and/or encryption keys. + @item fmt is the disk image format. It is guessed automatically in most cases. See below for a description of the supported disk formats. -- 2.5.0