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[Qemu-block] [PATCH v7 for-2.12 18/25] block: Add sgfnt_runtime_opts to


From: Max Reitz
Subject: [Qemu-block] [PATCH v7 for-2.12 18/25] block: Add sgfnt_runtime_opts to BlockDriver
Date: Mon, 20 Nov 2017 21:09:57 +0100

This new field can be set by block drivers to list the runtime options
they accept that may influence the contents of the respective BDS. As of
a follow-up patch, this list will be used by the common
bdrv_refresh_filename() implementation to decide which options to put
into BDS.full_open_options (and consequently whether a JSON filename has
to be created), thus freeing the drivers of having to implement that
logic themselves.

Additionally, this patch adds the field to all of the block drivers that
need it and sets it accordingly.

Signed-off-by: Max Reitz <address@hidden>
---
 include/block/block_int.h |  7 +++++++
 block/blkdebug.c          | 17 +++++++++++++++++
 block/crypto.c            |  8 ++++++++
 block/curl.c              | 21 +++++++++++++++++++++
 block/gluster.c           | 19 +++++++++++++++++++
 block/iscsi.c             | 18 ++++++++++++++++++
 block/nbd.c               | 14 ++++++++++++++
 block/nfs.c               | 11 +++++++++++
 block/null.c              |  9 +++++++++
 block/qcow.c              |  7 +++++++
 block/qcow2.c             |  7 +++++++
 block/quorum.c            | 11 +++++++++++
 block/raw-format.c        | 10 +++++++++-
 block/rbd.c               | 14 ++++++++++++++
 block/replication.c       |  8 ++++++++
 block/sheepdog.c          | 12 ++++++++++++
 block/ssh.c               | 12 ++++++++++++
 block/throttle.c          |  7 +++++++
 block/vpc.c               |  7 +++++++
 block/vvfat.c             | 12 ++++++++++++
 block/vxhs.c              | 11 +++++++++++
 21 files changed, 241 insertions(+), 1 deletion(-)

diff --git a/include/block/block_int.h b/include/block/block_int.h
index c07882962d..d99ded8891 100644
--- a/include/block/block_int.h
+++ b/include/block/block_int.h
@@ -454,6 +454,13 @@ struct BlockDriver {
                                                 Error **errp);
 
     QLIST_ENTRY(BlockDriver) list;
+
+    /* Pointer to a NULL-terminated array of names of significant options that
+     * can be specified for bdrv_open(). A significant option is one that
+     * changes the data of a BDS.
+     * If this pointer is NULL, the array is considered empty.
+     * "filename" and "driver" are always considered significant. */
+    const char *const *sgfnt_runtime_opts;
 };
 
 typedef struct BlockLimits {
diff --git a/block/blkdebug.c b/block/blkdebug.c
index e21669979d..f93139da58 100644
--- a/block/blkdebug.c
+++ b/block/blkdebug.c
@@ -886,6 +886,21 @@ static int blkdebug_reopen_prepare(BDRVReopenState 
*reopen_state,
     return 0;
 }
 
+static const char *const blkdebug_sgfnt_runtime_opts[] = {
+    "config",
+    "inject-error.",
+    "set-state.",
+    "suspend.",
+    "align",
+    "max-transfer",
+    "opt-write-zero",
+    "max-write-zero",
+    "opt-discard",
+    "max-discard",
+
+    NULL
+};
+
 static BlockDriver bdrv_blkdebug = {
     .format_name            = "blkdebug",
     .protocol_name          = "blkdebug",
@@ -915,6 +930,8 @@ static BlockDriver bdrv_blkdebug = {
                                 = blkdebug_debug_remove_breakpoint,
     .bdrv_debug_resume          = blkdebug_debug_resume,
     .bdrv_debug_is_suspended    = blkdebug_debug_is_suspended,
+
+    .sgfnt_runtime_opts         = blkdebug_sgfnt_runtime_opts,
 };
 
 static void bdrv_blkdebug_init(void)
diff --git a/block/crypto.c b/block/crypto.c
index 60ddf8623e..492e64e922 100644
--- a/block/crypto.c
+++ b/block/crypto.c
@@ -609,6 +609,12 @@ block_crypto_get_specific_info_luks(BlockDriverState *bs)
     return spec_info;
 }
 
+static const char *const block_crypto_sgfnt_runtime_opts[] = {
+    BLOCK_CRYPTO_OPT_LUKS_KEY_SECRET,
+
+    NULL
+};
+
 BlockDriver bdrv_crypto_luks = {
     .format_name        = "luks",
     .instance_size      = sizeof(BlockCrypto),
@@ -626,6 +632,8 @@ BlockDriver bdrv_crypto_luks = {
     .bdrv_getlength     = block_crypto_getlength,
     .bdrv_get_info      = block_crypto_get_info_luks,
     .bdrv_get_specific_info = block_crypto_get_specific_info_luks,
+
+    .sgfnt_runtime_opts = block_crypto_sgfnt_runtime_opts,
 };
 
 static void block_crypto_init(void)
diff --git a/block/curl.c b/block/curl.c
index 2a244e2439..11318a9a29 100644
--- a/block/curl.c
+++ b/block/curl.c
@@ -957,6 +957,19 @@ static int64_t curl_getlength(BlockDriverState *bs)
     return s->len;
 }
 
+static const char *const curl_sgfnt_runtime_opts[] = {
+    CURL_BLOCK_OPT_URL,
+    CURL_BLOCK_OPT_SSLVERIFY,
+    CURL_BLOCK_OPT_COOKIE,
+    CURL_BLOCK_OPT_COOKIE_SECRET,
+    CURL_BLOCK_OPT_USERNAME,
+    CURL_BLOCK_OPT_PASSWORD_SECRET,
+    CURL_BLOCK_OPT_PROXY_USERNAME,
+    CURL_BLOCK_OPT_PROXY_PASSWORD_SECRET,
+
+    NULL
+};
+
 static BlockDriver bdrv_http = {
     .format_name                = "http",
     .protocol_name              = "http",
@@ -971,6 +984,8 @@ static BlockDriver bdrv_http = {
 
     .bdrv_detach_aio_context    = curl_detach_aio_context,
     .bdrv_attach_aio_context    = curl_attach_aio_context,
+
+    .sgfnt_runtime_opts         = curl_sgfnt_runtime_opts,
 };
 
 static BlockDriver bdrv_https = {
@@ -987,6 +1002,8 @@ static BlockDriver bdrv_https = {
 
     .bdrv_detach_aio_context    = curl_detach_aio_context,
     .bdrv_attach_aio_context    = curl_attach_aio_context,
+
+    .sgfnt_runtime_opts         = curl_sgfnt_runtime_opts,
 };
 
 static BlockDriver bdrv_ftp = {
@@ -1003,6 +1020,8 @@ static BlockDriver bdrv_ftp = {
 
     .bdrv_detach_aio_context    = curl_detach_aio_context,
     .bdrv_attach_aio_context    = curl_attach_aio_context,
+
+    .sgfnt_runtime_opts         = curl_sgfnt_runtime_opts,
 };
 
 static BlockDriver bdrv_ftps = {
@@ -1019,6 +1038,8 @@ static BlockDriver bdrv_ftps = {
 
     .bdrv_detach_aio_context    = curl_detach_aio_context,
     .bdrv_attach_aio_context    = curl_attach_aio_context,
+
+    .sgfnt_runtime_opts         = curl_sgfnt_runtime_opts,
 };
 
 static void curl_block_init(void)
diff --git a/block/gluster.c b/block/gluster.c
index 0f4265a3a4..e47bda97df 100644
--- a/block/gluster.c
+++ b/block/gluster.c
@@ -1414,6 +1414,21 @@ static int64_t coroutine_fn 
qemu_gluster_co_get_block_status(
 }
 
 
+static const char *const gluster_sgfnt_open_opts[] = {
+    GLUSTER_OPT_VOLUME,
+    GLUSTER_OPT_PATH,
+    GLUSTER_OPT_TYPE,
+    GLUSTER_OPT_SERVER_PATTERN,
+    GLUSTER_OPT_HOST,
+    GLUSTER_OPT_PORT,
+    GLUSTER_OPT_TO,
+    GLUSTER_OPT_IPV4,
+    GLUSTER_OPT_IPV6,
+    GLUSTER_OPT_SOCKET,
+
+    NULL
+};
+
 static BlockDriver bdrv_gluster = {
     .format_name                  = "gluster",
     .protocol_name                = "gluster",
@@ -1440,6 +1455,7 @@ static BlockDriver bdrv_gluster = {
 #endif
     .bdrv_co_get_block_status     = qemu_gluster_co_get_block_status,
     .create_opts                  = &qemu_gluster_create_opts,
+    .sgfnt_runtime_opts           = gluster_sgfnt_open_opts,
 };
 
 static BlockDriver bdrv_gluster_tcp = {
@@ -1468,6 +1484,7 @@ static BlockDriver bdrv_gluster_tcp = {
 #endif
     .bdrv_co_get_block_status     = qemu_gluster_co_get_block_status,
     .create_opts                  = &qemu_gluster_create_opts,
+    .sgfnt_runtime_opts           = gluster_sgfnt_open_opts,
 };
 
 static BlockDriver bdrv_gluster_unix = {
@@ -1496,6 +1513,7 @@ static BlockDriver bdrv_gluster_unix = {
 #endif
     .bdrv_co_get_block_status     = qemu_gluster_co_get_block_status,
     .create_opts                  = &qemu_gluster_create_opts,
+    .sgfnt_runtime_opts           = gluster_sgfnt_open_opts,
 };
 
 /* rdma is deprecated (actually never supported for volfile fetch).
@@ -1530,6 +1548,7 @@ static BlockDriver bdrv_gluster_rdma = {
 #endif
     .bdrv_co_get_block_status     = qemu_gluster_co_get_block_status,
     .create_opts                  = &qemu_gluster_create_opts,
+    .sgfnt_runtime_opts           = gluster_sgfnt_open_opts,
 };
 
 static void bdrv_gluster_init(void)
diff --git a/block/iscsi.c b/block/iscsi.c
index 4683f3b244..5da74e3ccb 100644
--- a/block/iscsi.c
+++ b/block/iscsi.c
@@ -2161,6 +2161,20 @@ static QemuOptsList iscsi_create_opts = {
     }
 };
 
+static const char *const iscsi_sgfnt_runtime_opts[] = {
+    "transport",
+    "portal",
+    "target",
+    "user",
+    "password",
+    "password-secret",
+    "lun",
+    "initiator-name",
+    "header-digest",
+
+    NULL
+};
+
 static BlockDriver bdrv_iscsi = {
     .format_name     = "iscsi",
     .protocol_name   = "iscsi",
@@ -2193,6 +2207,8 @@ static BlockDriver bdrv_iscsi = {
 
     .bdrv_detach_aio_context = iscsi_detach_aio_context,
     .bdrv_attach_aio_context = iscsi_attach_aio_context,
+
+    .sgfnt_runtime_opts = iscsi_sgfnt_runtime_opts,
 };
 
 #if LIBISCSI_API_VERSION >= (20160603)
@@ -2228,6 +2244,8 @@ static BlockDriver bdrv_iser = {
 
     .bdrv_detach_aio_context = iscsi_detach_aio_context,
     .bdrv_attach_aio_context = iscsi_attach_aio_context,
+
+    .sgfnt_runtime_opts = iscsi_sgfnt_runtime_opts,
 };
 #endif
 
diff --git a/block/nbd.c b/block/nbd.c
index ed921fa333..0a36394b73 100644
--- a/block/nbd.c
+++ b/block/nbd.c
@@ -575,6 +575,17 @@ static char *nbd_dirname(BlockDriverState *bs, Error 
**errp)
     return NULL;
 }
 
+static const char *const nbd_sgfnt_runtime_opts[] = {
+    "path",
+    "host",
+    "port",
+    "export",
+    "tls-creds",
+    "server.",
+
+    NULL
+};
+
 static BlockDriver bdrv_nbd = {
     .format_name                = "nbd",
     .protocol_name              = "nbd",
@@ -593,6 +604,7 @@ static BlockDriver bdrv_nbd = {
     .bdrv_attach_aio_context    = nbd_attach_aio_context,
     .bdrv_refresh_filename      = nbd_refresh_filename,
     .bdrv_dirname               = nbd_dirname,
+    .sgfnt_runtime_opts         = nbd_sgfnt_runtime_opts,
 };
 
 static BlockDriver bdrv_nbd_tcp = {
@@ -613,6 +625,7 @@ static BlockDriver bdrv_nbd_tcp = {
     .bdrv_attach_aio_context    = nbd_attach_aio_context,
     .bdrv_refresh_filename      = nbd_refresh_filename,
     .bdrv_dirname               = nbd_dirname,
+    .sgfnt_runtime_opts         = nbd_sgfnt_runtime_opts,
 };
 
 static BlockDriver bdrv_nbd_unix = {
@@ -633,6 +646,7 @@ static BlockDriver bdrv_nbd_unix = {
     .bdrv_attach_aio_context    = nbd_attach_aio_context,
     .bdrv_refresh_filename      = nbd_refresh_filename,
     .bdrv_dirname               = nbd_dirname,
+    .sgfnt_runtime_opts         = nbd_sgfnt_runtime_opts,
 };
 
 static void bdrv_nbd_init(void)
diff --git a/block/nfs.c b/block/nfs.c
index 0152a9bd32..445a8d9880 100644
--- a/block/nfs.c
+++ b/block/nfs.c
@@ -897,6 +897,15 @@ static void nfs_invalidate_cache(BlockDriverState *bs,
 }
 #endif
 
+static const char *nfs_sgfnt_runtime_opts[] = {
+    "path",
+    "user",
+    "group",
+    "server.",
+
+    NULL
+};
+
 static BlockDriver bdrv_nfs = {
     .format_name                    = "nfs",
     .protocol_name                  = "nfs",
@@ -923,6 +932,8 @@ static BlockDriver bdrv_nfs = {
     .bdrv_refresh_filename          = nfs_refresh_filename,
     .bdrv_dirname                   = nfs_dirname,
 
+    .sgfnt_runtime_opts             = nfs_sgfnt_runtime_opts,
+
 #ifdef LIBNFS_FEATURE_PAGECACHE
     .bdrv_invalidate_cache          = nfs_invalidate_cache,
 #endif
diff --git a/block/null.c b/block/null.c
index dd9c13f9ba..59673d2449 100644
--- a/block/null.c
+++ b/block/null.c
@@ -255,6 +255,13 @@ static void null_refresh_filename(BlockDriverState *bs, 
QDict *opts)
     bs->full_open_options = opts;
 }
 
+static const char *const null_sgfnt_runtime_opts[] = {
+    BLOCK_OPT_SIZE,
+    NULL_OPT_ZEROES,
+
+    NULL
+};
+
 static BlockDriver bdrv_null_co = {
     .format_name            = "null-co",
     .protocol_name          = "null-co",
@@ -273,6 +280,7 @@ static BlockDriver bdrv_null_co = {
     .bdrv_co_get_block_status   = null_co_get_block_status,
 
     .bdrv_refresh_filename  = null_refresh_filename,
+    .sgfnt_runtime_opts     = null_sgfnt_runtime_opts,
 };
 
 static BlockDriver bdrv_null_aio = {
@@ -293,6 +301,7 @@ static BlockDriver bdrv_null_aio = {
     .bdrv_co_get_block_status   = null_co_get_block_status,
 
     .bdrv_refresh_filename  = null_refresh_filename,
+    .sgfnt_runtime_opts     = null_sgfnt_runtime_opts,
 };
 
 static void bdrv_null_init(void)
diff --git a/block/qcow.c b/block/qcow.c
index 9569deeaf0..2bfe506ec4 100644
--- a/block/qcow.c
+++ b/block/qcow.c
@@ -1097,6 +1097,12 @@ static QemuOptsList qcow_create_opts = {
     }
 };
 
+static const char *const qcow_sgfnt_runtime_opts[] = {
+    "encrypt." BLOCK_CRYPTO_OPT_QCOW_KEY_SECRET,
+
+    NULL
+};
+
 static BlockDriver bdrv_qcow = {
     .format_name       = "qcow",
     .instance_size     = sizeof(BDRVQcowState),
@@ -1118,6 +1124,7 @@ static BlockDriver bdrv_qcow = {
     .bdrv_get_info          = qcow_get_info,
 
     .create_opts            = &qcow_create_opts,
+    .sgfnt_runtime_opts     = qcow_sgfnt_runtime_opts,
 };
 
 static void bdrv_qcow_init(void)
diff --git a/block/qcow2.c b/block/qcow2.c
index 1914a940e5..2c50eb9245 100644
--- a/block/qcow2.c
+++ b/block/qcow2.c
@@ -4342,6 +4342,12 @@ static QemuOptsList qcow2_create_opts = {
     }
 };
 
+static const char *const qcow2_sgfnt_runtime_opts[] = {
+    "encrypt." BLOCK_CRYPTO_OPT_QCOW_KEY_SECRET,
+
+    NULL
+};
+
 BlockDriver bdrv_qcow2 = {
     .format_name        = "qcow2",
     .instance_size      = sizeof(BDRVQcow2State),
@@ -4387,6 +4393,7 @@ BlockDriver bdrv_qcow2 = {
     .bdrv_inactivate            = qcow2_inactivate,
 
     .create_opts         = &qcow2_create_opts,
+    .sgfnt_runtime_opts  = qcow2_sgfnt_runtime_opts,
     .bdrv_check          = qcow2_check,
     .bdrv_amend_options  = qcow2_amend_options,
 
diff --git a/block/quorum.c b/block/quorum.c
index e5a844335e..4b38201aa2 100644
--- a/block/quorum.c
+++ b/block/quorum.c
@@ -1105,6 +1105,15 @@ static char *quorum_dirname(BlockDriverState *bs, Error 
**errp)
     return NULL;
 }
 
+static const char *const quorum_sgfnt_runtime_opts[] = {
+    QUORUM_OPT_VOTE_THRESHOLD,
+    QUORUM_OPT_BLKVERIFY,
+    QUORUM_OPT_REWRITE,
+    QUORUM_OPT_READ_PATTERN,
+
+    NULL
+};
+
 static BlockDriver bdrv_quorum = {
     .format_name                        = "quorum",
     .protocol_name                      = "quorum",
@@ -1130,6 +1139,8 @@ static BlockDriver bdrv_quorum = {
 
     .is_filter                          = true,
     .bdrv_recurse_is_first_non_filter   = quorum_recurse_is_first_non_filter,
+
+    .sgfnt_runtime_opts                 = quorum_sgfnt_runtime_opts,
 };
 
 static void bdrv_quorum_init(void)
diff --git a/block/raw-format.c b/block/raw-format.c
index ab552c0954..f09b707b0d 100644
--- a/block/raw-format.c
+++ b/block/raw-format.c
@@ -481,6 +481,13 @@ static int raw_probe_geometry(BlockDriverState *bs, 
HDGeometry *geo)
     return bdrv_probe_geometry(bs->file->bs, geo);
 }
 
+static const char *const raw_sgfnt_runtime_opts[] = {
+    "offset",
+    "size",
+
+    NULL
+};
+
 BlockDriver bdrv_raw = {
     .format_name          = "raw",
     .instance_size        = sizeof(BDRVRawState),
@@ -509,7 +516,8 @@ BlockDriver bdrv_raw = {
     .bdrv_lock_medium     = &raw_lock_medium,
     .bdrv_co_ioctl        = &raw_co_ioctl,
     .create_opts          = &raw_create_opts,
-    .bdrv_has_zero_init   = &raw_has_zero_init
+    .bdrv_has_zero_init   = &raw_has_zero_init,
+    .sgfnt_runtime_opts   = raw_sgfnt_runtime_opts,
 };
 
 static void bdrv_raw_init(void)
diff --git a/block/rbd.c b/block/rbd.c
index a76a5e8755..389f006bea 100644
--- a/block/rbd.c
+++ b/block/rbd.c
@@ -1122,6 +1122,18 @@ static QemuOptsList qemu_rbd_create_opts = {
     }
 };
 
+static const char *const qemu_rbd_sgfnt_runtime_opts[] = {
+    "pool",
+    "image",
+    "conf",
+    "snapshot",
+    "user",
+    "server.",
+    "password-secret",
+
+    NULL
+};
+
 static BlockDriver bdrv_rbd = {
     .format_name            = "rbd",
     .instance_size          = sizeof(BDRVRBDState),
@@ -1157,6 +1169,8 @@ static BlockDriver bdrv_rbd = {
 #ifdef LIBRBD_SUPPORTS_INVALIDATE
     .bdrv_invalidate_cache  = qemu_rbd_invalidate_cache,
 #endif
+
+    .sgfnt_runtime_opts     = qemu_rbd_sgfnt_runtime_opts,
 };
 
 static void bdrv_rbd_init(void)
diff --git a/block/replication.c b/block/replication.c
index e41e293d2b..c2b9442a5f 100644
--- a/block/replication.c
+++ b/block/replication.c
@@ -695,6 +695,13 @@ static void replication_stop(ReplicationState *rs, bool 
failover, Error **errp)
     aio_context_release(aio_context);
 }
 
+static const char *const replication_sgfnt_runtime_opts[] = {
+    REPLICATION_MODE,
+    REPLICATION_TOP_ID,
+
+    NULL
+};
+
 BlockDriver bdrv_replication = {
     .format_name                = "replication",
     .protocol_name              = "replication",
@@ -712,6 +719,7 @@ BlockDriver bdrv_replication = {
     .bdrv_recurse_is_first_non_filter = 
replication_recurse_is_first_non_filter,
 
     .has_variable_length        = true,
+    .sgfnt_runtime_opts         = replication_sgfnt_runtime_opts,
 };
 
 static void bdrv_replication_init(void)
diff --git a/block/sheepdog.c b/block/sheepdog.c
index 696a71442a..1b788534b6 100644
--- a/block/sheepdog.c
+++ b/block/sheepdog.c
@@ -3077,6 +3077,15 @@ static QemuOptsList sd_create_opts = {
     }
 };
 
+static const char *const sd_sgfnt_runtime_opts[] = {
+    "vdi",
+    "snap-id",
+    "tag",
+    "server.",
+
+    NULL
+};
+
 static BlockDriver bdrv_sheepdog = {
     .format_name    = "sheepdog",
     .protocol_name  = "sheepdog",
@@ -3111,6 +3120,7 @@ static BlockDriver bdrv_sheepdog = {
     .bdrv_attach_aio_context = sd_attach_aio_context,
 
     .create_opts    = &sd_create_opts,
+    .sgfnt_runtime_opts = sd_sgfnt_runtime_opts,
 };
 
 static BlockDriver bdrv_sheepdog_tcp = {
@@ -3147,6 +3157,7 @@ static BlockDriver bdrv_sheepdog_tcp = {
     .bdrv_attach_aio_context = sd_attach_aio_context,
 
     .create_opts    = &sd_create_opts,
+    .sgfnt_runtime_opts = sd_sgfnt_runtime_opts,
 };
 
 static BlockDriver bdrv_sheepdog_unix = {
@@ -3183,6 +3194,7 @@ static BlockDriver bdrv_sheepdog_unix = {
     .bdrv_attach_aio_context = sd_attach_aio_context,
 
     .create_opts    = &sd_create_opts,
+    .sgfnt_runtime_opts = sd_sgfnt_runtime_opts,
 };
 
 static void bdrv_sheepdog_init(void)
diff --git a/block/ssh.c b/block/ssh.c
index b049a16eb9..0015c06a3b 100644
--- a/block/ssh.c
+++ b/block/ssh.c
@@ -1195,6 +1195,17 @@ static int64_t ssh_getlength(BlockDriverState *bs)
     return length;
 }
 
+static const char *const ssh_sgfnt_runtime_opts[] = {
+    "host",
+    "port",
+    "path",
+    "user",
+    "host_key_check",
+    "server.",
+
+    NULL
+};
+
 static BlockDriver bdrv_ssh = {
     .format_name                  = "ssh",
     .protocol_name                = "ssh",
@@ -1209,6 +1220,7 @@ static BlockDriver bdrv_ssh = {
     .bdrv_getlength               = ssh_getlength,
     .bdrv_co_flush_to_disk        = ssh_co_flush,
     .create_opts                  = &ssh_create_opts,
+    .sgfnt_runtime_opts           = ssh_sgfnt_runtime_opts,
 };
 
 static void bdrv_ssh_init(void)
diff --git a/block/throttle.c b/block/throttle.c
index 833175ac77..efdc57616b 100644
--- a/block/throttle.c
+++ b/block/throttle.c
@@ -212,6 +212,12 @@ static void coroutine_fn 
throttle_co_drain_end(BlockDriverState *bs)
     atomic_dec(&tgm->io_limits_disabled);
 }
 
+static const char *const throttle_sgfnt_runtime_opts[] = {
+    QEMU_OPT_THROTTLE_GROUP_NAME,
+
+    NULL
+};
+
 static BlockDriver bdrv_throttle = {
     .format_name                        =   "throttle",
     .protocol_name                      =   "throttle",
@@ -245,6 +251,7 @@ static BlockDriver bdrv_throttle = {
     .bdrv_co_drain_end                  =   throttle_co_drain_end,
 
     .is_filter                          =   true,
+    .sgfnt_runtime_opts                 =   throttle_sgfnt_runtime_opts,
 };
 
 static void bdrv_throttle_init(void)
diff --git a/block/vpc.c b/block/vpc.c
index 1576d7b595..a0a30b6e33 100644
--- a/block/vpc.c
+++ b/block/vpc.c
@@ -1084,6 +1084,12 @@ static QemuOptsList vpc_create_opts = {
     }
 };
 
+static const char *const vpc_sgfnt_runtime_opts[] = {
+    VPC_OPT_SIZE_CALC,
+
+    NULL
+};
+
 static BlockDriver bdrv_vpc = {
     .format_name    = "vpc",
     .instance_size  = sizeof(BDRVVPCState),
@@ -1103,6 +1109,7 @@ static BlockDriver bdrv_vpc = {
 
     .create_opts            = &vpc_create_opts,
     .bdrv_has_zero_init     = vpc_has_zero_init,
+    .sgfnt_runtime_opts     = vpc_sgfnt_runtime_opts,
 };
 
 static void bdrv_vpc_init(void)
diff --git a/block/vvfat.c b/block/vvfat.c
index a690595f2c..76a91f97cb 100644
--- a/block/vvfat.c
+++ b/block/vvfat.c
@@ -3242,6 +3242,16 @@ static void vvfat_close(BlockDriverState *bs)
     }
 }
 
+static const char *const vvfat_sgfnt_runtime_opts[] = {
+    "dir",
+    "fat-type",
+    "floppy",
+    "label",
+    "rw",
+
+    NULL
+};
+
 static BlockDriver bdrv_vvfat = {
     .format_name            = "vvfat",
     .protocol_name          = "fat",
@@ -3256,6 +3266,8 @@ static BlockDriver bdrv_vvfat = {
     .bdrv_co_preadv         = vvfat_co_preadv,
     .bdrv_co_pwritev        = vvfat_co_pwritev,
     .bdrv_co_get_block_status = vvfat_co_get_block_status,
+
+    .sgfnt_runtime_opts     = vvfat_sgfnt_runtime_opts,
 };
 
 static void bdrv_vvfat_init(void)
diff --git a/block/vxhs.c b/block/vxhs.c
index 75cc6c8672..4d6dc5fe4c 100644
--- a/block/vxhs.c
+++ b/block/vxhs.c
@@ -555,6 +555,16 @@ static int64_t vxhs_getlength(BlockDriverState *bs)
     return vdisk_size;
 }
 
+static const char *const vxhs_sgfnt_runtime_opts[] = {
+    VXHS_OPT_VDISK_ID,
+    "tls-creds",
+    VXHS_OPT_HOST,
+    VXHS_OPT_PORT,
+    VXHS_OPT_SERVER".",
+
+    NULL
+};
+
 static BlockDriver bdrv_vxhs = {
     .format_name                  = "vxhs",
     .protocol_name                = "vxhs",
@@ -565,6 +575,7 @@ static BlockDriver bdrv_vxhs = {
     .bdrv_getlength               = vxhs_getlength,
     .bdrv_aio_readv               = vxhs_aio_readv,
     .bdrv_aio_writev              = vxhs_aio_writev,
+    .sgfnt_runtime_opts           = vxhs_sgfnt_runtime_opts,
 };
 
 static void bdrv_vxhs_init(void)
-- 
2.13.6




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