diff options
Diffstat (limited to 'blockdev.c')
| -rw-r--r-- | blockdev.c | 73 |
1 files changed, 50 insertions, 23 deletions
diff --git a/blockdev.c b/blockdev.c index 617fad9b8d..149ddc1b3e 100644 --- a/blockdev.c +++ b/blockdev.c @@ -305,16 +305,18 @@ static bool check_throttle_config(ThrottleConfig *cfg, Error **errp) return true; } +typedef enum { MEDIA_DISK, MEDIA_CDROM } DriveMediaType; + /* Takes the ownership of bs_opts */ static DriveInfo *blockdev_init(QDict *bs_opts, - BlockInterfaceType block_default_type) + BlockInterfaceType block_default_type, + DriveMediaType media) { const char *buf; const char *file = NULL; const char *serial; const char *mediastr = ""; BlockInterfaceType type; - enum { MEDIA_DISK, MEDIA_CDROM } media; int bus_id, unit_id; int cyls, heads, secs, translation; int max_devs; @@ -335,7 +337,6 @@ static DriveInfo *blockdev_init(QDict *bs_opts, BlockDriver *drv = NULL; translation = BIOS_ATA_TRANSLATION_AUTO; - media = MEDIA_DISK; /* Check common options by copying from bs_opts to opts, all other options * stay in bs_opts for processing by bdrv_open(). */ @@ -422,19 +423,11 @@ static DriveInfo *blockdev_init(QDict *bs_opts, } } - if ((buf = qemu_opt_get(opts, "media")) != NULL) { - if (!strcmp(buf, "disk")) { - media = MEDIA_DISK; - } else if (!strcmp(buf, "cdrom")) { - if (cyls || secs || heads) { - error_report("CHS can't be set with media=%s", buf); - return NULL; - } - media = MEDIA_CDROM; - } else { - error_report("'%s' invalid media", buf); - return NULL; - } + if (media == MEDIA_CDROM) { + if (cyls || secs || heads) { + error_report("CHS can't be set with media=cdrom"); + return NULL; + } } if ((buf = qemu_opt_get(opts, "discard")) != NULL) { @@ -751,11 +744,27 @@ static void qemu_opt_rename(QemuOpts *opts, const char *from, const char *to) } } +QemuOptsList qemu_legacy_drive_opts = { + .name = "drive", + .head = QTAILQ_HEAD_INITIALIZER(qemu_legacy_drive_opts.head), + .desc = { + { + .name = "media", + .type = QEMU_OPT_STRING, + .help = "media type (disk, cdrom)", + }, + { /* end of list */ } + }, +}; + DriveInfo *drive_init(QemuOpts *all_opts, BlockInterfaceType block_default_type) { const char *value; - DriveInfo *dinfo; + DriveInfo *dinfo = NULL; QDict *bs_opts; + QemuOpts *legacy_opts; + DriveMediaType media = MEDIA_DISK; + Error *local_err = NULL; /* Change legacy command line options into QMP ones */ qemu_opt_rename(all_opts, "iops", "throttling.iops-total"); @@ -808,8 +817,29 @@ DriveInfo *drive_init(QemuOpts *all_opts, BlockInterfaceType block_default_type) bs_opts = qdict_new(); qemu_opts_to_qdict(all_opts, bs_opts); + legacy_opts = qemu_opts_create_nofail(&qemu_legacy_drive_opts); + qemu_opts_absorb_qdict(legacy_opts, bs_opts, &local_err); + if (error_is_set(&local_err)) { + qerror_report_err(local_err); + error_free(local_err); + goto fail; + } + + /* Media type */ + value = qemu_opt_get(legacy_opts, "media"); + if (value) { + if (!strcmp(value, "disk")) { + media = MEDIA_DISK; + } else if (!strcmp(value, "cdrom")) { + media = MEDIA_CDROM; + } else { + error_report("'%s' invalid media", value); + goto fail; + } + } + /* Actual block device init: Functionality shared with blockdev-add */ - dinfo = blockdev_init(bs_opts, block_default_type); + dinfo = blockdev_init(bs_opts, block_default_type, media); if (dinfo == NULL) { goto fail; } @@ -819,6 +849,7 @@ DriveInfo *drive_init(QemuOpts *all_opts, BlockInterfaceType block_default_type) dinfo->opts = all_opts; fail: + qemu_opts_del(legacy_opts); return dinfo; } @@ -2115,7 +2146,7 @@ void qmp_blockdev_add(BlockdevOptions *options, Error **errp) qdict_flatten(qdict); - dinfo = blockdev_init(qdict, IF_NONE); + dinfo = blockdev_init(qdict, IF_NONE, MEDIA_DISK); if (!dinfo) { error_setg(errp, "Could not open image"); goto fail; @@ -2184,10 +2215,6 @@ QemuOptsList qemu_common_drive_opts = { .type = QEMU_OPT_STRING, .help = "chs translation (auto, lba. none)", },{ - .name = "media", - .type = QEMU_OPT_STRING, - .help = "media type (disk, cdrom)", - },{ .name = "snapshot", .type = QEMU_OPT_BOOL, .help = "enable/disable snapshot mode", |