diff options
Diffstat (limited to 'block/raw-posix.c')
| -rw-r--r-- | block/raw-posix.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/block/raw-posix.c b/block/raw-posix.c index e6b4c1fe02..1688e16c64 100644 --- a/block/raw-posix.c +++ b/block/raw-posix.c @@ -1561,6 +1561,15 @@ static int check_hdev_writable(BDRVRawState *s) return 0; } +static void hdev_parse_filename(const char *filename, QDict *options, + Error **errp) +{ + /* The prefix is optional, just as for "file". */ + strstart(filename, "host_device:", &filename); + + qdict_put_obj(options, "filename", QOBJECT(qstring_from_str(filename))); +} + static int hdev_open(BlockDriverState *bs, QDict *options, int flags, Error **errp) { @@ -1767,6 +1776,18 @@ static int hdev_create(const char *filename, QEMUOptionParameter *options, int ret = 0; struct stat stat_buf; int64_t total_size = 0; + bool has_prefix; + + /* This function is used by all three protocol block drivers and therefore + * any of these three prefixes may be given. + * The return value has to be stored somewhere, otherwise this is an error + * due to -Werror=unused-value. */ + has_prefix = + strstart(filename, "host_device:", &filename) || + strstart(filename, "host_cdrom:" , &filename) || + strstart(filename, "host_floppy:", &filename); + + (void)has_prefix; /* Read out options */ while (options && options->name) { @@ -1805,6 +1826,7 @@ static BlockDriver bdrv_host_device = { .instance_size = sizeof(BDRVRawState), .bdrv_needs_filename = true, .bdrv_probe_device = hdev_probe_device, + .bdrv_parse_filename = hdev_parse_filename, .bdrv_file_open = hdev_open, .bdrv_close = raw_close, .bdrv_reopen_prepare = raw_reopen_prepare, @@ -1834,6 +1856,15 @@ static BlockDriver bdrv_host_device = { }; #ifdef __linux__ +static void floppy_parse_filename(const char *filename, QDict *options, + Error **errp) +{ + /* The prefix is optional, just as for "file". */ + strstart(filename, "host_floppy:", &filename); + + qdict_put_obj(options, "filename", QOBJECT(qstring_from_str(filename))); +} + static int floppy_open(BlockDriverState *bs, QDict *options, int flags, Error **errp) { @@ -1939,6 +1970,7 @@ static BlockDriver bdrv_host_floppy = { .instance_size = sizeof(BDRVRawState), .bdrv_needs_filename = true, .bdrv_probe_device = floppy_probe_device, + .bdrv_parse_filename = floppy_parse_filename, .bdrv_file_open = floppy_open, .bdrv_close = raw_close, .bdrv_reopen_prepare = raw_reopen_prepare, @@ -1963,7 +1995,20 @@ static BlockDriver bdrv_host_floppy = { .bdrv_media_changed = floppy_media_changed, .bdrv_eject = floppy_eject, }; +#endif + +#if defined(__linux__) || defined(__FreeBSD__) || defined(__FreeBSD_kernel__) +static void cdrom_parse_filename(const char *filename, QDict *options, + Error **errp) +{ + /* The prefix is optional, just as for "file". */ + strstart(filename, "host_cdrom:", &filename); + qdict_put_obj(options, "filename", QOBJECT(qstring_from_str(filename))); +} +#endif + +#ifdef __linux__ static int cdrom_open(BlockDriverState *bs, QDict *options, int flags, Error **errp) { @@ -2050,6 +2095,7 @@ static BlockDriver bdrv_host_cdrom = { .instance_size = sizeof(BDRVRawState), .bdrv_needs_filename = true, .bdrv_probe_device = cdrom_probe_device, + .bdrv_parse_filename = cdrom_parse_filename, .bdrv_file_open = cdrom_open, .bdrv_close = raw_close, .bdrv_reopen_prepare = raw_reopen_prepare, @@ -2180,6 +2226,7 @@ static BlockDriver bdrv_host_cdrom = { .instance_size = sizeof(BDRVRawState), .bdrv_needs_filename = true, .bdrv_probe_device = cdrom_probe_device, + .bdrv_parse_filename = cdrom_parse_filename, .bdrv_file_open = cdrom_open, .bdrv_close = raw_close, .bdrv_reopen_prepare = raw_reopen_prepare, |