* [Qemu-devel] [PULL 0/7] bitmap export over NBD
@ 2018-06-21 3:19 Eric Blake
2018-06-21 3:19 ` [Qemu-devel] [PULL 1/7] tests: Simplify .gitignore Eric Blake
` (9 more replies)
0 siblings, 10 replies; 15+ messages in thread
From: Eric Blake @ 2018-06-21 3:19 UTC (permalink / raw)
To: qemu-devel
The following changes since commit 46012db666990ff2eed1d3dc199ab8006439a93b:
Merge remote-tracking branch 'remotes/cohuck/tags/s390x-20180619' into staging (2018-06-20 09:51:30 +0100)
are available in the Git repository at:
git://repo.or.cz/qemu/ericb.git tags/pull-nbd-2018-06-20
for you to fetch changes up to 5bde4bbbd1e217c323551d2785a0efff6340d840:
docs/interop: add nbd.txt (2018-06-20 21:20:05 -0500)
----------------------------------------------------------------
nbd patches for 2018-06-20
Add experimental x-nbd-server-add-bitmap to expose a disabled
bitmap over NBD, in preparation for a pull model incremental
backup scheme.
- Eric Blake: tests: Simplify .gitignore
- Vladimir Sementsov-Ogievskiy: 0/6 NBD export bitmaps
----------------------------------------------------------------
Eric Blake (1):
tests: Simplify .gitignore
Vladimir Sementsov-Ogievskiy (6):
nbd/server: fix trace
nbd/server: refactor NBDExportMetaContexts
nbd/server: add nbd_meta_empty_or_pattern helper
nbd/server: implement dirty bitmap export
qapi: new qmp command nbd-server-add-bitmap
docs/interop: add nbd.txt
docs/interop/nbd.txt | 38 ++++++
qapi/block.json | 23 ++++
include/block/nbd.h | 8 +-
blockdev-nbd.c | 23 ++++
nbd/server.c | 369 ++++++++++++++++++++++++++++++++++++++++++++-------
MAINTAINERS | 1 +
nbd/trace-events | 1 +
tests/.gitignore | 93 +------------
8 files changed, 417 insertions(+), 139 deletions(-)
create mode 100644 docs/interop/nbd.txt
--
2.14.4
^ permalink raw reply [flat|nested] 15+ messages in thread
* [Qemu-devel] [PULL 1/7] tests: Simplify .gitignore
2018-06-21 3:19 [Qemu-devel] [PULL 0/7] bitmap export over NBD Eric Blake
@ 2018-06-21 3:19 ` Eric Blake
2018-06-21 3:19 ` [Qemu-devel] [PULL 2/7] nbd/server: fix trace Eric Blake
` (8 subsequent siblings)
9 siblings, 0 replies; 15+ messages in thread
From: Eric Blake @ 2018-06-21 3:19 UTC (permalink / raw)
To: qemu-devel
Commit 0bcc8e5b was yet another instance of 'git status' reporting
dirty files after an in-tree build, thanks to the new binary
tests/check-block-qdict.
Instead of piecemeal exemptions of each new binary as they are
added, let's use git's negative globbing feature to exempt ALL
files that have a 'test-' or 'check-' prefix, except for the ones
ending in '.c' or '.sh'. We still have a couple of generated
files that then need (re-)exclusion, but the overall list is a
LOT shorter, and less prone to needing future edits.
Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180619203918.65450-1-eblake@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
---
tests/.gitignore | 93 +++-----------------------------------------------------
1 file changed, 5 insertions(+), 88 deletions(-)
diff --git a/tests/.gitignore b/tests/.gitignore
index 2bc61a9a58d..08e2df1ce1f 100644
--- a/tests/.gitignore
+++ b/tests/.gitignore
@@ -2,101 +2,18 @@ atomic_add-bench
benchmark-crypto-cipher
benchmark-crypto-hash
benchmark-crypto-hmac
-check-qdict
-check-qnum
-check-qjson
-check-qlist
-check-qlit
-check-qnull
-check-qobject
-check-qstring
-check-qom-interface
-check-qom-proplist
+check-*
+!check-*.c
+!check-*.sh
qht-bench
rcutorture
-test-aio
-test-aio-multithread
-test-arm-mptimer
-test-base64
-test-bdrv-drain
-test-bitops
-test-bitcnt
-test-block-backend
-test-blockjob
-test-blockjob-txn
-test-bufferiszero
-test-char
-test-clone-visitor
-test-coroutine
-test-crypto-afsplit
-test-crypto-block
-test-crypto-cipher
-test-crypto-hash
-test-crypto-hmac
-test-crypto-ivgen
-test-crypto-pbkdf
-test-crypto-secret
-test-crypto-tlscredsx509
-test-crypto-tlscredsx509-work/
-test-crypto-tlscredsx509-certs/
-test-crypto-tlssession
-test-crypto-tlssession-work/
-test-crypto-tlssession-client/
-test-crypto-tlssession-server/
-test-crypto-xts
-test-cutils
-test-hbitmap
-test-hmp
-test-int128
-test-iov
-test-io-channel-buffer
-test-io-channel-command
-test-io-channel-command.fifo
-test-io-channel-file
-test-io-channel-file.txt
-test-io-channel-socket
-test-io-channel-tls
-test-io-task
-test-keyval
-test-logging
-test-mul64
-test-opts-visitor
+test-*
+!test-*.c
test-qapi-commands.[ch]
test-qapi-events.[ch]
test-qapi-types.[ch]
-test-qapi-util
test-qapi-visit.[ch]
-test-qdev-global-props
-test-qemu-opts
-test-qdist
-test-qga
-test-qht
-test-qht-par
-test-qmp-cmds
-test-qmp-event
-test-qobject-input-strict
-test-qobject-input-visitor
test-qapi-introspect.[ch]
-test-qobject-output-visitor
-test-rcu-list
-test-replication
-test-shift128
-test-string-input-visitor
-test-string-output-visitor
-test-thread-pool
-test-throttle
-test-timed-average
-test-uuid
-test-util-sockets
-test-visitor-serialization
-test-vmstate
-test-write-threshold
-test-x86-cpuid
-test-x86-cpuid-compat
-test-xbzrle
-test-netfilter
-test-filter-mirror
-test-filter-redirector
*-test
qapi-schema/*.test.*
vm/*.img
--
2.14.4
^ permalink raw reply related [flat|nested] 15+ messages in thread
* [Qemu-devel] [PULL 2/7] nbd/server: fix trace
2018-06-21 3:19 [Qemu-devel] [PULL 0/7] bitmap export over NBD Eric Blake
2018-06-21 3:19 ` [Qemu-devel] [PULL 1/7] tests: Simplify .gitignore Eric Blake
@ 2018-06-21 3:19 ` Eric Blake
2018-06-21 3:19 ` [Qemu-devel] [PULL 3/7] nbd/server: refactor NBDExportMetaContexts Eric Blake
` (7 subsequent siblings)
9 siblings, 0 replies; 15+ messages in thread
From: Eric Blake @ 2018-06-21 3:19 UTC (permalink / raw)
To: qemu-devel
Cc: Vladimir Sementsov-Ogievskiy, Paolo Bonzini,
open list:Network Block Dev...
From: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Return code = 1 doesn't mean that we parsed base:allocation. Use
correct traces in both -parsed and -skipped cases.
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20180609151758.17343-2-vsementsov@virtuozzo.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
[eblake: comment tweaks]
Signed-off-by: Eric Blake <eblake@redhat.com>
---
nbd/server.c | 14 ++++++++++----
1 file changed, 10 insertions(+), 4 deletions(-)
diff --git a/nbd/server.c b/nbd/server.c
index 9e1f2271784..e71301b8cd7 100644
--- a/nbd/server.c
+++ b/nbd/server.c
@@ -736,12 +736,16 @@ static int nbd_negotiate_send_meta_context(NBDClient *client,
/* nbd_meta_base_query
*
- * Handle query to 'base' namespace. For now, only base:allocation context is
- * available in it. 'len' is the amount of text remaining to be read from
+ * Handle queries to 'base' namespace. For now, only the base:allocation
+ * context is available. 'len' is the amount of text remaining to be read from
* the current name, after the 'base:' portion has been stripped.
*
* Return -errno on I/O error, 0 if option was completely handled by
- * sending a reply about inconsistent lengths, or 1 on success. */
+ * sending a reply about inconsistent lengths, or 1 on success.
+ *
+ * Note: return code = 1 doesn't mean that we've parsed the "base:allocation"
+ * namespace. It only means that there are no errors.
+ */
static int nbd_meta_base_query(NBDClient *client, NBDExportMetaContexts *meta,
uint32_t len, Error **errp)
{
@@ -768,10 +772,12 @@ static int nbd_meta_base_query(NBDClient *client, NBDExportMetaContexts *meta,
}
if (strncmp(query, "allocation", alen) == 0) {
+ trace_nbd_negotiate_meta_query_parse("base:allocation");
meta->base_allocation = true;
+ } else {
+ trace_nbd_negotiate_meta_query_skip("not base:allocation");
}
- trace_nbd_negotiate_meta_query_parse("base:allocation");
return 1;
}
--
2.14.4
^ permalink raw reply related [flat|nested] 15+ messages in thread
* [Qemu-devel] [PULL 3/7] nbd/server: refactor NBDExportMetaContexts
2018-06-21 3:19 [Qemu-devel] [PULL 0/7] bitmap export over NBD Eric Blake
2018-06-21 3:19 ` [Qemu-devel] [PULL 1/7] tests: Simplify .gitignore Eric Blake
2018-06-21 3:19 ` [Qemu-devel] [PULL 2/7] nbd/server: fix trace Eric Blake
@ 2018-06-21 3:19 ` Eric Blake
2018-06-21 3:19 ` [Qemu-devel] [PULL 4/7] nbd/server: add nbd_meta_empty_or_pattern helper Eric Blake
` (6 subsequent siblings)
9 siblings, 0 replies; 15+ messages in thread
From: Eric Blake @ 2018-06-21 3:19 UTC (permalink / raw)
To: qemu-devel
Cc: Vladimir Sementsov-Ogievskiy, Paolo Bonzini,
open list:Network Block Dev...
From: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Use NBDExport pointer instead of just export name: there is no need to
store a duplicated name in the struct; moreover, NBDExport will be used
further.
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20180609151758.17343-3-vsementsov@virtuozzo.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
[eblake: commit message grammar tweak]
Signed-off-by: Eric Blake <eblake@redhat.com>
---
nbd/server.c | 23 +++++++++++------------
1 file changed, 11 insertions(+), 12 deletions(-)
diff --git a/nbd/server.c b/nbd/server.c
index e71301b8cd7..bbdc3c01b9f 100644
--- a/nbd/server.c
+++ b/nbd/server.c
@@ -88,7 +88,7 @@ static QTAILQ_HEAD(, NBDExport) exports = QTAILQ_HEAD_INITIALIZER(exports);
* as selected by NBD_OPT_SET_META_CONTEXT. Also used for
* NBD_OPT_LIST_META_CONTEXT. */
typedef struct NBDExportMetaContexts {
- char export_name[NBD_MAX_NAME_SIZE + 1];
+ NBDExport *exp;
bool valid; /* means that negotiation of the option finished without
errors */
bool base_allocation; /* export base:allocation context (block status) */
@@ -399,10 +399,9 @@ static int nbd_negotiate_handle_list(NBDClient *client, Error **errp)
return nbd_negotiate_send_rep(client, NBD_REP_ACK, errp);
}
-static void nbd_check_meta_export_name(NBDClient *client)
+static void nbd_check_meta_export(NBDClient *client)
{
- client->export_meta.valid &= !strcmp(client->exp->name,
- client->export_meta.export_name);
+ client->export_meta.valid &= client->exp == client->export_meta.exp;
}
/* Send a reply to NBD_OPT_EXPORT_NAME.
@@ -456,7 +455,7 @@ static int nbd_negotiate_handle_export_name(NBDClient *client,
QTAILQ_INSERT_TAIL(&client->exp->clients, client, next);
nbd_export_get(client->exp);
- nbd_check_meta_export_name(client);
+ nbd_check_meta_export(client);
return 0;
}
@@ -650,7 +649,7 @@ static int nbd_negotiate_handle_info(NBDClient *client, uint16_t myflags,
client->exp = exp;
QTAILQ_INSERT_TAIL(&client->exp->clients, client, next);
nbd_export_get(client->exp);
- nbd_check_meta_export_name(client);
+ nbd_check_meta_export(client);
rc = 1;
}
return rc;
@@ -835,7 +834,7 @@ static int nbd_negotiate_meta_queries(NBDClient *client,
NBDExportMetaContexts *meta, Error **errp)
{
int ret;
- NBDExport *exp;
+ char export_name[NBD_MAX_NAME_SIZE + 1];
NBDExportMetaContexts local_meta;
uint32_t nb_queries;
int i;
@@ -854,15 +853,15 @@ static int nbd_negotiate_meta_queries(NBDClient *client,
memset(meta, 0, sizeof(*meta));
- ret = nbd_opt_read_name(client, meta->export_name, NULL, errp);
+ ret = nbd_opt_read_name(client, export_name, NULL, errp);
if (ret <= 0) {
return ret;
}
- exp = nbd_export_find(meta->export_name);
- if (exp == NULL) {
+ meta->exp = nbd_export_find(export_name);
+ if (meta->exp == NULL) {
return nbd_opt_drop(client, NBD_REP_ERR_UNKNOWN, errp,
- "export '%s' not present", meta->export_name);
+ "export '%s' not present", export_name);
}
ret = nbd_opt_read(client, &nb_queries, sizeof(nb_queries), errp);
@@ -871,7 +870,7 @@ static int nbd_negotiate_meta_queries(NBDClient *client,
}
cpu_to_be32s(&nb_queries);
trace_nbd_negotiate_meta_context(nbd_opt_lookup(client->opt),
- meta->export_name, nb_queries);
+ export_name, nb_queries);
if (client->opt == NBD_OPT_LIST_META_CONTEXT && !nb_queries) {
/* enable all known contexts */
--
2.14.4
^ permalink raw reply related [flat|nested] 15+ messages in thread
* [Qemu-devel] [PULL 4/7] nbd/server: add nbd_meta_empty_or_pattern helper
2018-06-21 3:19 [Qemu-devel] [PULL 0/7] bitmap export over NBD Eric Blake
` (2 preceding siblings ...)
2018-06-21 3:19 ` [Qemu-devel] [PULL 3/7] nbd/server: refactor NBDExportMetaContexts Eric Blake
@ 2018-06-21 3:19 ` Eric Blake
2018-06-21 3:19 ` [Qemu-devel] [PULL 5/7] nbd/server: implement dirty bitmap export Eric Blake
` (5 subsequent siblings)
9 siblings, 0 replies; 15+ messages in thread
From: Eric Blake @ 2018-06-21 3:19 UTC (permalink / raw)
To: qemu-devel
Cc: Vladimir Sementsov-Ogievskiy, Paolo Bonzini,
open list:Network Block Dev...
From: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Add nbd_meta_pattern() and nbd_meta_empty_or_pattern() helpers for
metadata query parsing. nbd_meta_pattern() will be reused for the
"qemu" namespace in following patches.
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20180609151758.17343-4-vsementsov@virtuozzo.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
[eblake: comment tweaks]
Signed-off-by: Eric Blake <eblake@redhat.com>
---
nbd/server.c | 101 ++++++++++++++++++++++++++++++++++++++++-------------------
1 file changed, 68 insertions(+), 33 deletions(-)
diff --git a/nbd/server.c b/nbd/server.c
index bbdc3c01b9f..cea5192addb 100644
--- a/nbd/server.c
+++ b/nbd/server.c
@@ -733,6 +733,71 @@ static int nbd_negotiate_send_meta_context(NBDClient *client,
return qio_channel_writev_all(client->ioc, iov, 2, errp) < 0 ? -EIO : 0;
}
+/* Read strlen(@pattern) bytes, and set @match to true if they match @pattern.
+ * @match is never set to false.
+ *
+ * Return -errno on I/O error, 0 if option was completely handled by
+ * sending a reply about inconsistent lengths, or 1 on success.
+ *
+ * Note: return code = 1 doesn't mean that we've read exactly @pattern.
+ * It only means that there are no errors.
+ */
+static int nbd_meta_pattern(NBDClient *client, const char *pattern, bool *match,
+ Error **errp)
+{
+ int ret;
+ char *query;
+ size_t len = strlen(pattern);
+
+ assert(len);
+
+ query = g_malloc(len);
+ ret = nbd_opt_read(client, query, len, errp);
+ if (ret <= 0) {
+ g_free(query);
+ return ret;
+ }
+
+ if (strncmp(query, pattern, len) == 0) {
+ trace_nbd_negotiate_meta_query_parse(pattern);
+ *match = true;
+ } else {
+ trace_nbd_negotiate_meta_query_skip("pattern not matched");
+ }
+ g_free(query);
+
+ return 1;
+}
+
+/*
+ * Read @len bytes, and set @match to true if they match @pattern, or if @len
+ * is 0 and the client is performing _LIST_. @match is never set to false.
+ *
+ * Return -errno on I/O error, 0 if option was completely handled by
+ * sending a reply about inconsistent lengths, or 1 on success.
+ *
+ * Note: return code = 1 doesn't mean that we've read exactly @pattern.
+ * It only means that there are no errors.
+ */
+static int nbd_meta_empty_or_pattern(NBDClient *client, const char *pattern,
+ uint32_t len, bool *match, Error **errp)
+{
+ if (len == 0) {
+ if (client->opt == NBD_OPT_LIST_META_CONTEXT) {
+ *match = true;
+ }
+ trace_nbd_negotiate_meta_query_parse("empty");
+ return 1;
+ }
+
+ if (len != strlen(pattern)) {
+ trace_nbd_negotiate_meta_query_skip("different lengths");
+ return nbd_opt_skip(client, len, errp);
+ }
+
+ return nbd_meta_pattern(client, pattern, match, errp);
+}
+
/* nbd_meta_base_query
*
* Handle queries to 'base' namespace. For now, only the base:allocation
@@ -741,43 +806,12 @@ static int nbd_negotiate_send_meta_context(NBDClient *client,
*
* Return -errno on I/O error, 0 if option was completely handled by
* sending a reply about inconsistent lengths, or 1 on success.
- *
- * Note: return code = 1 doesn't mean that we've parsed the "base:allocation"
- * namespace. It only means that there are no errors.
*/
static int nbd_meta_base_query(NBDClient *client, NBDExportMetaContexts *meta,
uint32_t len, Error **errp)
{
- int ret;
- char query[sizeof("allocation") - 1];
- size_t alen = strlen("allocation");
-
- if (len == 0) {
- if (client->opt == NBD_OPT_LIST_META_CONTEXT) {
- meta->base_allocation = true;
- }
- trace_nbd_negotiate_meta_query_parse("base:");
- return 1;
- }
-
- if (len != alen) {
- trace_nbd_negotiate_meta_query_skip("not base:allocation");
- return nbd_opt_skip(client, len, errp);
- }
-
- ret = nbd_opt_read(client, query, len, errp);
- if (ret <= 0) {
- return ret;
- }
-
- if (strncmp(query, "allocation", alen) == 0) {
- trace_nbd_negotiate_meta_query_parse("base:allocation");
- meta->base_allocation = true;
- } else {
- trace_nbd_negotiate_meta_query_skip("not base:allocation");
- }
-
- return 1;
+ return nbd_meta_empty_or_pattern(client, "allocation", len,
+ &meta->base_allocation, errp);
}
/* nbd_negotiate_meta_query
@@ -823,6 +857,7 @@ static int nbd_negotiate_meta_query(NBDClient *client,
return nbd_opt_skip(client, len, errp);
}
+ trace_nbd_negotiate_meta_query_parse("base:");
return nbd_meta_base_query(client, meta, len, errp);
}
--
2.14.4
^ permalink raw reply related [flat|nested] 15+ messages in thread
* [Qemu-devel] [PULL 5/7] nbd/server: implement dirty bitmap export
2018-06-21 3:19 [Qemu-devel] [PULL 0/7] bitmap export over NBD Eric Blake
` (3 preceding siblings ...)
2018-06-21 3:19 ` [Qemu-devel] [PULL 4/7] nbd/server: add nbd_meta_empty_or_pattern helper Eric Blake
@ 2018-06-21 3:19 ` Eric Blake
2018-06-21 10:17 ` Vladimir Sementsov-Ogievskiy
2018-06-21 3:19 ` [Qemu-devel] [PULL 6/7] qapi: new qmp command nbd-server-add-bitmap Eric Blake
` (4 subsequent siblings)
9 siblings, 1 reply; 15+ messages in thread
From: Eric Blake @ 2018-06-21 3:19 UTC (permalink / raw)
To: qemu-devel
Cc: Vladimir Sementsov-Ogievskiy, Paolo Bonzini, Kevin Wolf,
Max Reitz, open list:Network Block Dev...
From: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Handle a new NBD meta namespace: "qemu", and corresponding queries:
"qemu:dirty-bitmap:<export bitmap name>".
With the new metadata context negotiated, BLOCK_STATUS query will reply
with dirty-bitmap data, converted to extents. The new public function
nbd_export_bitmap selects which bitmap to export. For now, only one bitmap
may be exported.
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20180609151758.17343-5-vsementsov@virtuozzo.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
[eblake: wording tweaks, minor cleanups, additional tracing]
Signed-off-by: Eric Blake <eblake@redhat.com>
---
include/block/nbd.h | 8 +-
nbd/server.c | 277 +++++++++++++++++++++++++++++++++++++++++++++++-----
nbd/trace-events | 1 +
3 files changed, 261 insertions(+), 25 deletions(-)
diff --git a/include/block/nbd.h b/include/block/nbd.h
index fcdcd545023..8bb9606c39b 100644
--- a/include/block/nbd.h
+++ b/include/block/nbd.h
@@ -229,11 +229,13 @@ enum {
#define NBD_REPLY_TYPE_ERROR NBD_REPLY_ERR(1)
#define NBD_REPLY_TYPE_ERROR_OFFSET NBD_REPLY_ERR(2)
-/* Flags for extents (NBDExtent.flags) of NBD_REPLY_TYPE_BLOCK_STATUS,
- * for base:allocation meta context */
+/* Extent flags for base:allocation in NBD_REPLY_TYPE_BLOCK_STATUS */
#define NBD_STATE_HOLE (1 << 0)
#define NBD_STATE_ZERO (1 << 1)
+/* Extent flags for qemu:dirty-bitmap in NBD_REPLY_TYPE_BLOCK_STATUS */
+#define NBD_STATE_DIRTY (1 << 0)
+
static inline bool nbd_reply_type_is_error(int type)
{
return type & (1 << 15);
@@ -315,6 +317,8 @@ void nbd_client_put(NBDClient *client);
void nbd_server_start(SocketAddress *addr, const char *tls_creds,
Error **errp);
+void nbd_export_bitmap(NBDExport *exp, const char *bitmap,
+ const char *bitmap_export_name, Error **errp);
/* nbd_read
* Reads @size bytes from @ioc. Returns 0 on success.
diff --git a/nbd/server.c b/nbd/server.c
index cea5192addb..f7f1fda4b3f 100644
--- a/nbd/server.c
+++ b/nbd/server.c
@@ -23,6 +23,13 @@
#include "nbd-internal.h"
#define NBD_META_ID_BASE_ALLOCATION 0
+#define NBD_META_ID_DIRTY_BITMAP 1
+
+/* NBD_MAX_BITMAP_EXTENTS: 1 mb of extents data. An empirical
+ * constant. If an increase is needed, note that the NBD protocol
+ * recommends no larger than 32 mb, so that the client won't consider
+ * the reply as a denial of service attack. */
+#define NBD_MAX_BITMAP_EXTENTS (0x100000 / 8)
static int system_errno_to_nbd_errno(int err)
{
@@ -80,6 +87,9 @@ struct NBDExport {
BlockBackend *eject_notifier_blk;
Notifier eject_notifier;
+
+ BdrvDirtyBitmap *export_bitmap;
+ char *export_bitmap_context;
};
static QTAILQ_HEAD(, NBDExport) exports = QTAILQ_HEAD_INITIALIZER(exports);
@@ -92,6 +102,7 @@ typedef struct NBDExportMetaContexts {
bool valid; /* means that negotiation of the option finished without
errors */
bool base_allocation; /* export base:allocation context (block status) */
+ bool bitmap; /* export qemu:dirty-bitmap:<export bitmap name> */
} NBDExportMetaContexts;
struct NBDClient {
@@ -814,6 +825,56 @@ static int nbd_meta_base_query(NBDClient *client, NBDExportMetaContexts *meta,
&meta->base_allocation, errp);
}
+/* nbd_meta_bitmap_query
+ *
+ * Handle query to 'qemu:' namespace.
+ * @len is the amount of text remaining to be read from the current name, after
+ * the 'qemu:' portion has been stripped.
+ *
+ * Return -errno on I/O error, 0 if option was completely handled by
+ * sending a reply about inconsistent lengths, or 1 on success. */
+static int nbd_meta_qemu_query(NBDClient *client, NBDExportMetaContexts *meta,
+ uint32_t len, Error **errp)
+{
+ bool dirty_bitmap = false;
+ size_t dirty_bitmap_len = strlen("dirty-bitmap:");
+ int ret;
+
+ if (!meta->exp->export_bitmap) {
+ trace_nbd_negotiate_meta_query_skip("no dirty-bitmap exported");
+ return nbd_opt_skip(client, len, errp);
+ }
+
+ if (len == 0) {
+ if (client->opt == NBD_OPT_LIST_META_CONTEXT) {
+ meta->bitmap = true;
+ }
+ trace_nbd_negotiate_meta_query_parse("empty");
+ return 1;
+ }
+
+ if (len < dirty_bitmap_len) {
+ trace_nbd_negotiate_meta_query_skip("not dirty-bitmap:");
+ return nbd_opt_skip(client, len, errp);
+ }
+
+ len -= dirty_bitmap_len;
+ ret = nbd_meta_pattern(client, "dirty-bitmap:", &dirty_bitmap, errp);
+ if (ret <= 0) {
+ return ret;
+ }
+ if (!dirty_bitmap) {
+ trace_nbd_negotiate_meta_query_skip("not dirty-bitmap:");
+ return nbd_opt_skip(client, len, errp);
+ }
+
+ trace_nbd_negotiate_meta_query_parse("dirty-bitmap:");
+
+ return nbd_meta_empty_or_pattern(
+ client, meta->exp->export_bitmap_context +
+ strlen("qemu:dirty_bitmap:"), len, &meta->bitmap, errp);
+}
+
/* nbd_negotiate_meta_query
*
* Parse namespace name and call corresponding function to parse body of the
@@ -829,9 +890,14 @@ static int nbd_meta_base_query(NBDClient *client, NBDExportMetaContexts *meta,
static int nbd_negotiate_meta_query(NBDClient *client,
NBDExportMetaContexts *meta, Error **errp)
{
+ /*
+ * Both 'qemu' and 'base' namespaces have length = 5 including a
+ * colon. If another length namespace is later introduced, this
+ * should certainly be refactored.
+ */
int ret;
- char query[sizeof("base:") - 1];
- size_t baselen = strlen("base:");
+ size_t ns_len = 5;
+ char ns[5];
uint32_t len;
ret = nbd_opt_read(client, &len, sizeof(len), errp);
@@ -840,25 +906,27 @@ static int nbd_negotiate_meta_query(NBDClient *client,
}
cpu_to_be32s(&len);
- /* The only supported namespace for now is 'base'. So query should start
- * with 'base:'. Otherwise, we can ignore it and skip the remainder. */
- if (len < baselen) {
+ if (len < ns_len) {
trace_nbd_negotiate_meta_query_skip("length too short");
return nbd_opt_skip(client, len, errp);
}
- len -= baselen;
- ret = nbd_opt_read(client, query, baselen, errp);
+ len -= ns_len;
+ ret = nbd_opt_read(client, ns, ns_len, errp);
if (ret <= 0) {
return ret;
}
- if (strncmp(query, "base:", baselen) != 0) {
- trace_nbd_negotiate_meta_query_skip("not for base: namespace");
- return nbd_opt_skip(client, len, errp);
+
+ if (!strncmp(ns, "base:", ns_len)) {
+ trace_nbd_negotiate_meta_query_parse("base:");
+ return nbd_meta_base_query(client, meta, len, errp);
+ } else if (!strncmp(ns, "qemu:", ns_len)) {
+ trace_nbd_negotiate_meta_query_parse("qemu:");
+ return nbd_meta_qemu_query(client, meta, len, errp);
}
- trace_nbd_negotiate_meta_query_parse("base:");
- return nbd_meta_base_query(client, meta, len, errp);
+ trace_nbd_negotiate_meta_query_skip("unknown namespace");
+ return nbd_opt_skip(client, len, errp);
}
/* nbd_negotiate_meta_queries
@@ -928,6 +996,16 @@ static int nbd_negotiate_meta_queries(NBDClient *client,
}
}
+ if (meta->bitmap) {
+ ret = nbd_negotiate_send_meta_context(client,
+ meta->exp->export_bitmap_context,
+ NBD_META_ID_DIRTY_BITMAP,
+ errp);
+ if (ret < 0) {
+ return ret;
+ }
+ }
+
ret = nbd_negotiate_send_rep(client, NBD_REP_ACK, errp);
if (ret == 0) {
meta->valid = true;
@@ -1556,6 +1634,11 @@ void nbd_export_put(NBDExport *exp)
exp->blk = NULL;
}
+ if (exp->export_bitmap) {
+ bdrv_dirty_bitmap_set_qmp_locked(exp->export_bitmap, false);
+ g_free(exp->export_bitmap_context);
+ }
+
g_free(exp);
}
}
@@ -1797,9 +1880,15 @@ static int blockstatus_to_extent_be(BlockDriverState *bs, uint64_t offset,
}
/* nbd_co_send_extents
- * @extents should be in big-endian */
+ *
+ * @length is only for tracing purposes (and may be smaller or larger
+ * than the client's original request). @last controls whether
+ * NBD_REPLY_FLAG_DONE is sent. @extents should already be in
+ * big-endian format.
+ */
static int nbd_co_send_extents(NBDClient *client, uint64_t handle,
- NBDExtent *extents, unsigned nb_extents,
+ NBDExtent *extents, unsigned int nb_extents,
+ uint64_t length, bool last,
uint32_t context_id, Error **errp)
{
NBDStructuredMeta chunk;
@@ -1809,7 +1898,9 @@ static int nbd_co_send_extents(NBDClient *client, uint64_t handle,
{.iov_base = extents, .iov_len = nb_extents * sizeof(extents[0])}
};
- set_be_chunk(&chunk.h, NBD_REPLY_FLAG_DONE, NBD_REPLY_TYPE_BLOCK_STATUS,
+ trace_nbd_co_send_extents(handle, nb_extents, context_id, length, last);
+ set_be_chunk(&chunk.h, last ? NBD_REPLY_FLAG_DONE : 0,
+ NBD_REPLY_TYPE_BLOCK_STATUS,
handle, sizeof(chunk) - sizeof(chunk.h) + iov[1].iov_len);
stl_be_p(&chunk.context_id, context_id);
@@ -1819,8 +1910,8 @@ static int nbd_co_send_extents(NBDClient *client, uint64_t handle,
/* Get block status from the exported device and send it to the client */
static int nbd_co_send_block_status(NBDClient *client, uint64_t handle,
BlockDriverState *bs, uint64_t offset,
- uint64_t length, uint32_t context_id,
- Error **errp)
+ uint64_t length, bool last,
+ uint32_t context_id, Error **errp)
{
int ret;
NBDExtent extent;
@@ -1831,7 +1922,83 @@ static int nbd_co_send_block_status(NBDClient *client, uint64_t handle,
client, handle, -ret, "can't get block status", errp);
}
- return nbd_co_send_extents(client, handle, &extent, 1, context_id, errp);
+ return nbd_co_send_extents(client, handle, &extent, 1, length, last,
+ context_id, errp);
+}
+
+/*
+ * Populate @extents from a dirty bitmap. Unless @dont_fragment, the
+ * final extent may exceed the original @length. Store in @length the
+ * byte length encoded (which may be smaller or larger than the
+ * original), and return the number of extents used.
+ */
+static unsigned int bitmap_to_extents(BdrvDirtyBitmap *bitmap, uint64_t offset,
+ uint64_t *length, NBDExtent *extents,
+ unsigned int nb_extents,
+ bool dont_fragment)
+{
+ uint64_t begin = offset, end;
+ uint64_t overall_end = offset + *length;
+ unsigned int i = 0;
+ BdrvDirtyBitmapIter *it;
+ bool dirty;
+
+ bdrv_dirty_bitmap_lock(bitmap);
+
+ it = bdrv_dirty_iter_new(bitmap);
+ dirty = bdrv_get_dirty_locked(NULL, bitmap, offset);
+
+ while (begin < overall_end && i < nb_extents) {
+ if (dirty) {
+ end = bdrv_dirty_bitmap_next_zero(bitmap, begin);
+ } else {
+ bdrv_set_dirty_iter(it, begin);
+ end = bdrv_dirty_iter_next(it);
+ }
+ if (end == -1) {
+ /* Cap to an aligned value < 4G beyond begin. */
+ end = MIN(bdrv_dirty_bitmap_size(bitmap),
+ begin + 0x100000000ULL -
+ bdrv_dirty_bitmap_granularity(bitmap));
+ }
+ if (dont_fragment && end > overall_end) {
+ end = overall_end;
+ }
+
+ extents[i].length = cpu_to_be32(end - begin);
+ extents[i].flags = cpu_to_be32(dirty ? NBD_STATE_DIRTY : 0);
+ i++;
+ begin = end;
+ dirty = !dirty;
+ }
+
+ bdrv_dirty_iter_free(it);
+
+ bdrv_dirty_bitmap_unlock(bitmap);
+
+ *length = end - offset;
+ return i;
+}
+
+static int nbd_co_send_bitmap(NBDClient *client, uint64_t handle,
+ BdrvDirtyBitmap *bitmap, uint64_t offset,
+ uint32_t length, bool dont_fragment, bool last,
+ uint32_t context_id, Error **errp)
+{
+ int ret;
+ unsigned int nb_extents = dont_fragment ? 1 : NBD_MAX_BITMAP_EXTENTS;
+ NBDExtent *extents = g_new(NBDExtent, nb_extents);
+ uint64_t final_length = length;
+
+ nb_extents = bitmap_to_extents(bitmap, offset, &final_length, extents,
+ nb_extents, dont_fragment);
+
+ ret = nbd_co_send_extents(client, handle, extents, nb_extents,
+ final_length, last, context_id, errp);
+
+ g_free(extents);
+
+ return ret;
}
/* nbd_co_receive_request
@@ -2047,11 +2214,34 @@ static coroutine_fn int nbd_handle_request(NBDClient *client,
"discard failed", errp);
case NBD_CMD_BLOCK_STATUS:
- if (client->export_meta.valid && client->export_meta.base_allocation) {
- return nbd_co_send_block_status(client, request->handle,
- blk_bs(exp->blk), request->from,
- request->len,
- NBD_META_ID_BASE_ALLOCATION, errp);
+ if (client->export_meta.valid &&
+ (client->export_meta.base_allocation ||
+ client->export_meta.bitmap))
+ {
+ if (client->export_meta.base_allocation) {
+ ret = nbd_co_send_block_status(client, request->handle,
+ blk_bs(exp->blk), request->from,
+ request->len,
+ !client->export_meta.bitmap,
+ NBD_META_ID_BASE_ALLOCATION,
+ errp);
+ if (ret < 0) {
+ return ret;
+ }
+ }
+
+ if (client->export_meta.bitmap) {
+ ret = nbd_co_send_bitmap(client, request->handle,
+ client->exp->export_bitmap,
+ request->from, request->len,
+ request->flags & NBD_CMD_FLAG_REQ_ONE,
+ true, NBD_META_ID_DIRTY_BITMAP, errp);
+ if (ret < 0) {
+ return ret;
+ }
+ }
+
+ return ret;
} else {
return nbd_send_generic_reply(client, request->handle, -EINVAL,
"CMD_BLOCK_STATUS not negotiated",
@@ -2203,3 +2393,44 @@ void nbd_client_new(NBDExport *exp,
co = qemu_coroutine_create(nbd_co_client_start, client);
qemu_coroutine_enter(co);
}
+
+void nbd_export_bitmap(NBDExport *exp, const char *bitmap,
+ const char *bitmap_export_name, Error **errp)
+{
+ BdrvDirtyBitmap *bm = NULL;
+ BlockDriverState *bs = blk_bs(exp->blk);
+
+ if (exp->export_bitmap) {
+ error_setg(errp, "Export bitmap is already set");
+ return;
+ }
+
+ while (true) {
+ bm = bdrv_find_dirty_bitmap(bs, bitmap);
+ if (bm != NULL || bs->backing == NULL) {
+ break;
+ }
+
+ bs = bs->backing->bs;
+ }
+
+ if (bm == NULL) {
+ error_setg(errp, "Bitmap '%s' is not found", bitmap);
+ return;
+ }
+
+ if (bdrv_dirty_bitmap_enabled(bm)) {
+ error_setg(errp, "Bitmap '%s' is enabled", bitmap);
+ return;
+ }
+
+ if (bdrv_dirty_bitmap_qmp_locked(bm)) {
+ error_setg(errp, "Bitmap '%s' is locked", bitmap);
+ return;
+ }
+
+ bdrv_dirty_bitmap_set_qmp_locked(bm, true);
+ exp->export_bitmap = bm;
+ exp->export_bitmap_context =
+ g_strdup_printf("qemu:dirty-bitmap:%s", bitmap_export_name);
+}
diff --git a/nbd/trace-events b/nbd/trace-events
index dee081e7758..5e1d4afe8e6 100644
--- a/nbd/trace-events
+++ b/nbd/trace-events
@@ -64,6 +64,7 @@ nbd_co_send_simple_reply(uint64_t handle, uint32_t error, const char *errname, i
nbd_co_send_structured_done(uint64_t handle) "Send structured reply done: handle = %" PRIu64
nbd_co_send_structured_read(uint64_t handle, uint64_t offset, void *data, size_t size) "Send structured read data reply: handle = %" PRIu64 ", offset = %" PRIu64 ", data = %p, len = %zu"
nbd_co_send_structured_read_hole(uint64_t handle, uint64_t offset, size_t size) "Send structured read hole reply: handle = %" PRIu64 ", offset = %" PRIu64 ", len = %zu"
+nbd_co_send_extents(uint64_t handle, unsigned int extents, uint32_t id, uint64_t length, int last) "Send block status reply: handle = %" PRIu64 ", extents = %u, context = %d (extents cover %" PRIu64 " bytes, last chunk = %d)"
nbd_co_send_structured_error(uint64_t handle, int err, const char *errname, const char *msg) "Send structured error reply: handle = %" PRIu64 ", error = %d (%s), msg = '%s'"
nbd_co_receive_request_decode_type(uint64_t handle, uint16_t type, const char *name) "Decoding type: handle = %" PRIu64 ", type = %" PRIu16 " (%s)"
nbd_co_receive_request_payload_received(uint64_t handle, uint32_t len) "Payload received: handle = %" PRIu64 ", len = %" PRIu32
--
2.14.4
^ permalink raw reply related [flat|nested] 15+ messages in thread
* [Qemu-devel] [PULL 6/7] qapi: new qmp command nbd-server-add-bitmap
2018-06-21 3:19 [Qemu-devel] [PULL 0/7] bitmap export over NBD Eric Blake
` (4 preceding siblings ...)
2018-06-21 3:19 ` [Qemu-devel] [PULL 5/7] nbd/server: implement dirty bitmap export Eric Blake
@ 2018-06-21 3:19 ` Eric Blake
2018-06-21 3:19 ` [Qemu-devel] [PULL 7/7] docs/interop: add nbd.txt Eric Blake
` (3 subsequent siblings)
9 siblings, 0 replies; 15+ messages in thread
From: Eric Blake @ 2018-06-21 3:19 UTC (permalink / raw)
To: qemu-devel
Cc: Vladimir Sementsov-Ogievskiy, Kevin Wolf, Max Reitz,
Paolo Bonzini, Markus Armbruster, open list:Block layer core
From: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
For now, the actual command ix x-nbd-server-add-bitmap, reflecting
the fact that we are still working on libvirt code that proves the
command works as needed, and also the fact that we may remove
bitmap-export-name (and just require that the exported name be the
bitmap name).
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20180609151758.17343-6-vsementsov@virtuozzo.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
[eblake: make the command experimental by adding x- prefix]
Signed-off-by: Eric Blake <eblake@redhat.com>
---
qapi/block.json | 23 +++++++++++++++++++++++
blockdev-nbd.c | 23 +++++++++++++++++++++++
2 files changed, 46 insertions(+)
diff --git a/qapi/block.json b/qapi/block.json
index c6945240029..ca807f176ae 100644
--- a/qapi/block.json
+++ b/qapi/block.json
@@ -268,6 +268,29 @@
{ 'command': 'nbd-server-remove',
'data': {'name': 'str', '*mode': 'NbdServerRemoveMode'} }
+##
+# @x-nbd-server-add-bitmap:
+#
+# Expose a dirty bitmap associated with the selected export. The bitmap search
+# starts at the device attached to the export, and includes all backing files.
+# The exported bitmap is then locked until the NBD export is removed.
+#
+# @name: Export name.
+#
+# @bitmap: Bitmap name to search for.
+#
+# @bitmap-export-name: How the bitmap will be seen by nbd clients
+# (default @bitmap)
+#
+# Note: the client must use NBD_OPT_SET_META_CONTEXT with a query of
+# "qemu:dirty-bitmap:NAME" (where NAME matches @bitmap-export-name) to access
+# the exposed bitmap.
+#
+# Since: 3.0
+##
+ { 'command': 'x-nbd-server-add-bitmap',
+ 'data': {'name': 'str', 'bitmap': 'str', '*bitmap-export-name': 'str'} }
+
##
# @nbd-server-stop:
#
diff --git a/blockdev-nbd.c b/blockdev-nbd.c
index 65a84739edc..1ef11041a73 100644
--- a/blockdev-nbd.c
+++ b/blockdev-nbd.c
@@ -220,3 +220,26 @@ void qmp_nbd_server_stop(Error **errp)
nbd_server_free(nbd_server);
nbd_server = NULL;
}
+
+void qmp_x_nbd_server_add_bitmap(const char *name, const char *bitmap,
+ bool has_bitmap_export_name,
+ const char *bitmap_export_name,
+ Error **errp)
+{
+ NBDExport *exp;
+
+ if (!nbd_server) {
+ error_setg(errp, "NBD server not running");
+ return;
+ }
+
+ exp = nbd_export_find(name);
+ if (exp == NULL) {
+ error_setg(errp, "Export '%s' is not found", name);
+ return;
+ }
+
+ nbd_export_bitmap(exp, bitmap,
+ has_bitmap_export_name ? bitmap_export_name : bitmap,
+ errp);
+}
--
2.14.4
^ permalink raw reply related [flat|nested] 15+ messages in thread
* [Qemu-devel] [PULL 7/7] docs/interop: add nbd.txt
2018-06-21 3:19 [Qemu-devel] [PULL 0/7] bitmap export over NBD Eric Blake
` (5 preceding siblings ...)
2018-06-21 3:19 ` [Qemu-devel] [PULL 6/7] qapi: new qmp command nbd-server-add-bitmap Eric Blake
@ 2018-06-21 3:19 ` Eric Blake
2018-06-21 5:34 ` [Qemu-devel] [PULL 0/7] bitmap export over NBD no-reply
` (2 subsequent siblings)
9 siblings, 0 replies; 15+ messages in thread
From: Eric Blake @ 2018-06-21 3:19 UTC (permalink / raw)
To: qemu-devel
Cc: Vladimir Sementsov-Ogievskiy, Paolo Bonzini,
open list:Network Block Dev...
From: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Describe new metadata namespace: "qemu".
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20180609151758.17343-7-vsementsov@virtuozzo.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
[eblake: grammar tweaks]
Signed-off-by: Eric Blake <eblake@redhat.com>
---
docs/interop/nbd.txt | 38 ++++++++++++++++++++++++++++++++++++++
MAINTAINERS | 1 +
2 files changed, 39 insertions(+)
create mode 100644 docs/interop/nbd.txt
diff --git a/docs/interop/nbd.txt b/docs/interop/nbd.txt
new file mode 100644
index 00000000000..77b5f459111
--- /dev/null
+++ b/docs/interop/nbd.txt
@@ -0,0 +1,38 @@
+Qemu supports the NBD protocol, and has an internal NBD client (see
+block/nbd.c), an internal NBD server (see blockdev-nbd.c), and an
+external NBD server tool (see qemu-nbd.c). The common code is placed
+in nbd/*.
+
+The NBD protocol is specified here:
+https://github.com/NetworkBlockDevice/nbd/blob/master/doc/proto.md
+
+The following paragraphs describe some specific properties of NBD
+protocol realization in Qemu.
+
+= Metadata namespaces =
+
+Qemu supports the "base:allocation" metadata context as defined in the
+NBD protocol specification, and also defines an additional metadata
+namespace "qemu".
+
+
+== "qemu" namespace ==
+
+The "qemu" namespace currently contains only one type of context,
+related to exposing the contents of a dirty bitmap alongside the
+associated disk contents. That context has the following form:
+
+ qemu:dirty-bitmap:<dirty-bitmap-export-name>
+
+Each dirty-bitmap metadata context defines only one flag for extents
+in reply for NBD_CMD_BLOCK_STATUS:
+
+ bit 0: NBD_STATE_DIRTY, means that the extent is "dirty"
+
+For NBD_OPT_LIST_META_CONTEXT the following queries are supported
+in addition to "qemu:dirty-bitmap:<dirty-bitmap-export-name>":
+
+* "qemu:" - returns list of all available metadata contexts in the
+ namespace.
+* "qemu:dirty-bitmap:" - returns list of all available dirty-bitmap
+ metadata contexts.
diff --git a/MAINTAINERS b/MAINTAINERS
index da91501c7a6..efb17e6ac0f 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1972,6 +1972,7 @@ F: nbd/
F: include/block/nbd*
F: qemu-nbd.*
F: blockdev-nbd.c
+F: docs/interop/nbd.txt
T: git git://repo.or.cz/qemu/ericb.git nbd
NFS
--
2.14.4
^ permalink raw reply related [flat|nested] 15+ messages in thread
* Re: [Qemu-devel] [PULL 0/7] bitmap export over NBD
2018-06-21 3:19 [Qemu-devel] [PULL 0/7] bitmap export over NBD Eric Blake
` (6 preceding siblings ...)
2018-06-21 3:19 ` [Qemu-devel] [PULL 7/7] docs/interop: add nbd.txt Eric Blake
@ 2018-06-21 5:34 ` no-reply
2018-06-21 11:40 ` Eric Blake
2018-06-21 6:09 ` no-reply
2018-06-21 9:03 ` Peter Maydell
9 siblings, 1 reply; 15+ messages in thread
From: no-reply @ 2018-06-21 5:34 UTC (permalink / raw)
To: eblake; +Cc: famz, qemu-devel
Hi,
This series failed docker-mingw@fedora build test. Please find the testing commands and
their output below. If you have Docker installed, you can probably reproduce it
locally.
Type: series
Message-id: 20180621031957.134718-1-eblake@redhat.com
Subject: [Qemu-devel] [PULL 0/7] bitmap export over NBD
=== TEST SCRIPT BEGIN ===
#!/bin/bash
set -e
git submodule update --init dtc
# Let docker tests dump environment info
export SHOW_ENV=1
export J=8
time make docker-test-mingw@fedora
=== TEST SCRIPT END ===
Updating 3c8cf5a9c21ff8782164d1def7f44bd888713384
Switched to a new branch 'test'
c22707306f docs/interop: add nbd.txt
4c0d1f2119 qapi: new qmp command nbd-server-add-bitmap
822d9ac324 nbd/server: implement dirty bitmap export
89d48246d1 nbd/server: add nbd_meta_empty_or_pattern helper
9666d89233 nbd/server: refactor NBDExportMetaContexts
f57941b5a4 nbd/server: fix trace
3683ca1d05 tests: Simplify .gitignore
=== OUTPUT BEGIN ===
Submodule 'dtc' (git://git.qemu-project.org/dtc.git) registered for path 'dtc'
Cloning into '/var/tmp/patchew-tester-tmp-kndg27b2/src/dtc'...
Submodule path 'dtc': checked out 'e54388015af1fb4bf04d0bca99caba1074d9cc42'
BUILD fedora
make[1]: Entering directory '/var/tmp/patchew-tester-tmp-kndg27b2/src'
GEN /var/tmp/patchew-tester-tmp-kndg27b2/src/docker-src.2018-06-21-01.33.16.21343/qemu.tar
Cloning into '/var/tmp/patchew-tester-tmp-kndg27b2/src/docker-src.2018-06-21-01.33.16.21343/qemu.tar.vroot'...
done.
Your branch is up-to-date with 'origin/test'.
Submodule 'dtc' (git://git.qemu-project.org/dtc.git) registered for path 'dtc'
Cloning into '/var/tmp/patchew-tester-tmp-kndg27b2/src/docker-src.2018-06-21-01.33.16.21343/qemu.tar.vroot/dtc'...
Submodule path 'dtc': checked out 'e54388015af1fb4bf04d0bca99caba1074d9cc42'
Submodule 'ui/keycodemapdb' (git://git.qemu.org/keycodemapdb.git) registered for path 'ui/keycodemapdb'
Cloning into '/var/tmp/patchew-tester-tmp-kndg27b2/src/docker-src.2018-06-21-01.33.16.21343/qemu.tar.vroot/ui/keycodemapdb'...
Submodule path 'ui/keycodemapdb': checked out '6b3d716e2b6472eb7189d3220552280ef3d832ce'
COPY RUNNER
RUN test-mingw in qemu:fedora
Packages installed:
SDL2-devel-2.0.8-5.fc28.x86_64
bc-1.07.1-5.fc28.x86_64
bison-3.0.4-9.fc28.x86_64
bluez-libs-devel-5.49-3.fc28.x86_64
brlapi-devel-0.6.7-12.fc28.x86_64
bzip2-1.0.6-26.fc28.x86_64
bzip2-devel-1.0.6-26.fc28.x86_64
ccache-3.4.2-2.fc28.x86_64
clang-6.0.0-5.fc28.x86_64
device-mapper-multipath-devel-0.7.4-2.git07e7bd5.fc28.x86_64
findutils-4.6.0-19.fc28.x86_64
flex-2.6.1-7.fc28.x86_64
gcc-8.1.1-1.fc28.x86_64
gcc-c++-8.1.1-1.fc28.x86_64
gettext-0.19.8.1-14.fc28.x86_64
git-2.17.1-2.fc28.x86_64
glib2-devel-2.56.1-3.fc28.x86_64
glusterfs-api-devel-4.0.2-1.fc28.x86_64
gnutls-devel-3.6.2-1.fc28.x86_64
gtk3-devel-3.22.30-1.fc28.x86_64
hostname-3.20-3.fc28.x86_64
libaio-devel-0.3.110-11.fc28.x86_64
libasan-8.1.1-1.fc28.x86_64
libattr-devel-2.4.47-23.fc28.x86_64
libcap-devel-2.25-9.fc28.x86_64
libcap-ng-devel-0.7.9-1.fc28.x86_64
libcurl-devel-7.59.0-3.fc28.x86_64
libfdt-devel-1.4.6-4.fc28.x86_64
libpng-devel-1.6.34-3.fc28.x86_64
librbd-devel-12.2.5-1.fc28.x86_64
libssh2-devel-1.8.0-7.fc28.x86_64
libubsan-8.1.1-1.fc28.x86_64
libusbx-devel-1.0.21-6.fc28.x86_64
libxml2-devel-2.9.7-4.fc28.x86_64
llvm-6.0.0-11.fc28.x86_64
lzo-devel-2.08-12.fc28.x86_64
make-4.2.1-6.fc28.x86_64
mingw32-SDL2-2.0.5-3.fc27.noarch
mingw32-bzip2-1.0.6-9.fc27.noarch
mingw32-curl-7.57.0-1.fc28.noarch
mingw32-glib2-2.54.1-1.fc28.noarch
mingw32-gmp-6.1.2-2.fc27.noarch
mingw32-gnutls-3.5.13-2.fc27.noarch
mingw32-gtk3-3.22.16-1.fc27.noarch
mingw32-libjpeg-turbo-1.5.1-3.fc27.noarch
mingw32-libpng-1.6.29-2.fc27.noarch
mingw32-libssh2-1.8.0-3.fc27.noarch
mingw32-libtasn1-4.13-1.fc28.noarch
mingw32-nettle-3.3-3.fc27.noarch
mingw32-pixman-0.34.0-3.fc27.noarch
mingw32-pkg-config-0.28-9.fc27.x86_64
mingw64-SDL2-2.0.5-3.fc27.noarch
mingw64-bzip2-1.0.6-9.fc27.noarch
mingw64-curl-7.57.0-1.fc28.noarch
mingw64-glib2-2.54.1-1.fc28.noarch
mingw64-gmp-6.1.2-2.fc27.noarch
mingw64-gnutls-3.5.13-2.fc27.noarch
mingw64-gtk3-3.22.16-1.fc27.noarch
mingw64-libjpeg-turbo-1.5.1-3.fc27.noarch
mingw64-libpng-1.6.29-2.fc27.noarch
mingw64-libssh2-1.8.0-3.fc27.noarch
mingw64-libtasn1-4.13-1.fc28.noarch
mingw64-nettle-3.3-3.fc27.noarch
mingw64-pixman-0.34.0-3.fc27.noarch
mingw64-pkg-config-0.28-9.fc27.x86_64
ncurses-devel-6.1-5.20180224.fc28.x86_64
nettle-devel-3.4-2.fc28.x86_64
nss-devel-3.36.1-1.1.fc28.x86_64
numactl-devel-2.0.11-8.fc28.x86_64
package PyYAML is not installed
package libjpeg-devel is not installed
perl-5.26.2-411.fc28.x86_64
pixman-devel-0.34.0-8.fc28.x86_64
python3-3.6.5-1.fc28.x86_64
snappy-devel-1.1.7-5.fc28.x86_64
sparse-0.5.2-1.fc28.x86_64
spice-server-devel-0.14.0-4.fc28.x86_64
systemtap-sdt-devel-3.2-11.fc28.x86_64
tar-1.30-3.fc28.x86_64
usbredir-devel-0.7.1-7.fc28.x86_64
virglrenderer-devel-0.6.0-4.20170210git76b3da97b.fc28.x86_64
vte3-devel-0.36.5-6.fc28.x86_64
which-2.21-8.fc28.x86_64
xen-devel-4.10.1-3.fc28.x86_64
zlib-devel-1.2.11-8.fc28.x86_64
Environment variables:
TARGET_LIST=
PACKAGES=ccache gettext git tar PyYAML sparse flex bison python3 bzip2 hostname gcc gcc-c++ llvm clang make perl which bc findutils glib2-devel libaio-devel pixman-devel zlib-devel libfdt-devel libasan libubsan bluez-libs-devel brlapi-devel bzip2-devel device-mapper-multipath-devel glusterfs-api-devel gnutls-devel gtk3-devel libattr-devel libcap-devel libcap-ng-devel libcurl-devel libjpeg-devel libpng-devel librbd-devel libssh2-devel libusbx-devel libxml2-devel lzo-devel ncurses-devel nettle-devel nss-devel numactl-devel SDL2-devel snappy-devel spice-server-devel systemtap-sdt-devel usbredir-devel virglrenderer-devel vte3-devel xen-devel mingw32-pixman mingw32-glib2 mingw32-gmp mingw32-SDL2 mingw32-pkg-config mingw32-gtk3 mingw32-gnutls mingw32-nettle mingw32-libtasn1 mingw32-libjpeg-turbo mingw32-libpng mingw32-curl mingw32-libssh2 mingw32-bzip2 mingw64-pixman mingw64-glib2 mingw64-gmp mingw64-SDL2 mingw64-pkg-config mingw64-gtk3 mingw64-gnutls mingw64-nettle mingw64-libtasn1 mingw64-libjpeg-turbo mingw64-libpng mingw64-curl mingw64-libssh2 mingw64-bzip2
J=8
V=
HOSTNAME=b6383b7a9e30
DEBUG=
SHOW_ENV=1
PWD=/
HOME=/root
CCACHE_DIR=/var/tmp/ccache
DISTTAG=f28container
QEMU_CONFIGURE_OPTS=--python=/usr/bin/python3
FGC=f28
TEST_DIR=/tmp/qemu-test
SHLVL=1
FEATURES=mingw clang pyyaml asan dtc
PATH=/usr/lib/ccache:/usr/lib64/ccache:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
MAKEFLAGS= -j8
EXTRA_CONFIGURE_OPTS=
_=/usr/bin/env
Configure options:
--enable-werror --target-list=x86_64-softmmu,aarch64-softmmu --prefix=/tmp/qemu-test/install --python=/usr/bin/python3 --cross-prefix=x86_64-w64-mingw32- --enable-trace-backends=simple --enable-gnutls --enable-nettle --enable-curl --enable-vnc --enable-bzip2 --enable-guest-agent --with-sdlabi=2.0 --with-gtkabi=3.0
Install prefix /tmp/qemu-test/install
BIOS directory /tmp/qemu-test/install
firmware path /tmp/qemu-test/install/share/qemu-firmware
binary directory /tmp/qemu-test/install
library directory /tmp/qemu-test/install/lib
module directory /tmp/qemu-test/install/lib
libexec directory /tmp/qemu-test/install/libexec
include directory /tmp/qemu-test/install/include
config directory /tmp/qemu-test/install
local state directory queried at runtime
Windows SDK no
Source path /tmp/qemu-test/src
GIT binary git
GIT submodules
C compiler x86_64-w64-mingw32-gcc
Host C compiler cc
C++ compiler x86_64-w64-mingw32-g++
Objective-C compiler clang
ARFLAGS rv
CFLAGS -O2 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -g
QEMU_CFLAGS -I/usr/x86_64-w64-mingw32/sys-root/mingw/include/pixman-1 -I$(SRC_PATH)/dtc/libfdt -Werror -DHAS_LIBSSH2_SFTP_FSYNC -mms-bitfields -I/usr/x86_64-w64-mingw32/sys-root/mingw/include/glib-2.0 -I/usr/x86_64-w64-mingw32/sys-root/mingw/lib/glib-2.0/include -I/usr/x86_64-w64-mingw32/sys-root/mingw/include -m64 -mcx16 -mthreads -D__USE_MINGW_ANSI_STDIO=1 -DWIN32_LEAN_AND_MEAN -DWINVER=0x501 -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -Wstrict-prototypes -Wredundant-decls -Wall -Wundef -Wwrite-strings -Wmissing-prototypes -fno-strict-aliasing -fno-common -fwrapv -Wexpansion-to-defined -Wendif-labels -Wno-shift-negative-value -Wno-missing-include-dirs -Wempty-body -Wnested-externs -Wformat-security -Wformat-y2k -Winit-self -Wignored-qualifiers -Wold-style-declaration -Wold-style-definition -Wtype-limits -fstack-protector-strong -I/usr/x86_64-w64-mingw32/sys-root/mingw/include -I/usr/x86_64-w64-mingw32/sys-root/mingw/include/p11-kit-1 -I/usr/x86_64-w64-mingw32/sys-root/mingw/include -I/usr/x86_64-w64-mingw32/sys-root/mingw/include -I/usr/x86_64-w64-mingw32/sys-root/mingw/include/libpng16
LDFLAGS -Wl,--nxcompat -Wl,--no-seh -Wl,--dynamicbase -Wl,--warn-common -m64 -g
QEMU_LDFLAGS -L$(BUILD_DIR)/dtc/libfdt
make make
install install
python /usr/bin/python3 -B
smbd /usr/sbin/smbd
module support no
host CPU x86_64
host big endian no
target list x86_64-softmmu aarch64-softmmu
gprof enabled no
sparse enabled no
strip binaries yes
profiler no
static build no
SDL support yes (2.0.5)
GTK support yes (3.22.16)
GTK GL support no
VTE support no
TLS priority NORMAL
GNUTLS support yes
GNUTLS rnd yes
libgcrypt no
libgcrypt kdf no
nettle yes (3.3)
nettle kdf yes
libtasn1 yes
curses support no
virgl support no
curl support yes
mingw32 support yes
Audio drivers dsound
Block whitelist (rw)
Block whitelist (ro)
VirtFS support no
Multipath support no
VNC support yes
VNC SASL support no
VNC JPEG support yes
VNC PNG support yes
xen support no
brlapi support no
bluez support no
Documentation no
PIE no
vde support no
netmap support no
Linux AIO support no
ATTR/XATTR support no
Install blobs yes
KVM support no
HAX support yes
HVF support no
WHPX support no
TCG support yes
TCG debug enabled no
TCG interpreter no
malloc trim support no
RDMA support no
fdt support git
membarrier no
preadv support no
fdatasync no
madvise no
posix_madvise no
posix_memalign no
libcap-ng support no
vhost-net support no
vhost-crypto support no
vhost-scsi support no
vhost-vsock support no
vhost-user support no
Trace backends simple
Trace output file trace-<pid>
spice support no
rbd support no
xfsctl support no
smartcard support no
libusb no
usb net redir no
OpenGL support no
OpenGL dmabufs no
libiscsi support no
libnfs support no
build guest agent yes
QGA VSS support no
QGA w32 disk info yes
QGA MSI support no
seccomp support no
coroutine backend win32
coroutine pool yes
debug stack usage no
crypto afalg no
GlusterFS support no
gcov gcov
gcov enabled no
TPM support yes
libssh2 support yes
TPM passthrough no
TPM emulator no
QOM debugging yes
Live block migration yes
lzo support no
snappy support no
bzip2 support yes
NUMA host support no
libxml2 no
tcmalloc support no
jemalloc support no
avx2 optimization yes
replication support yes
VxHS block device no
capstone no
docker no
GEN aarch64-softmmu/config-devices.mak.tmp
GEN qemu-options.def
GEN x86_64-softmmu/config-devices.mak.tmp
GEN config-host.h
GEN trace/generated-tcg-tracers.h
GEN trace/generated-helpers-wrappers.h
GEN qapi-gen
GEN trace/generated-helpers.h
GEN aarch64-softmmu/config-devices.mak
GEN x86_64-softmmu/config-devices.mak
GEN trace/generated-helpers.c
GEN module_block.h
GEN ui/input-keymap-atset1-to-qcode.c
GEN ui/input-keymap-linux-to-qcode.c
GEN ui/input-keymap-qcode-to-atset1.c
GEN ui/input-keymap-qcode-to-atset2.c
GEN ui/input-keymap-qcode-to-atset3.c
GEN ui/input-keymap-qcode-to-linux.c
GEN ui/input-keymap-qcode-to-qnum.c
GEN ui/input-keymap-qcode-to-sun.c
GEN ui/input-keymap-qnum-to-qcode.c
GEN ui/input-keymap-usb-to-qcode.c
GEN ui/input-keymap-win32-to-qcode.c
GEN ui/input-keymap-x11-to-qcode.c
GEN ui/input-keymap-xorgevdev-to-qcode.c
GEN ui/input-keymap-xorgkbd-to-qcode.c
GEN ui/input-keymap-xorgxquartz-to-qcode.c
GEN ui/input-keymap-xorgxwin-to-qcode.c
GEN ui/input-keymap-osx-to-qcode.c
GEN tests/test-qapi-gen
GEN trace-root.h
GEN accel/kvm/trace.h
GEN accel/tcg/trace.h
GEN audio/trace.h
GEN block/trace.h
GEN chardev/trace.h
GEN crypto/trace.h
GEN hw/9pfs/trace.h
GEN hw/acpi/trace.h
GEN hw/alpha/trace.h
GEN hw/arm/trace.h
GEN hw/audio/trace.h
GEN hw/block/trace.h
GEN hw/block/dataplane/trace.h
GEN hw/char/trace.h
GEN hw/display/trace.h
GEN hw/dma/trace.h
GEN hw/hppa/trace.h
GEN hw/i2c/trace.h
GEN hw/i386/trace.h
GEN hw/i386/xen/trace.h
GEN hw/ide/trace.h
GEN hw/input/trace.h
GEN hw/intc/trace.h
GEN hw/isa/trace.h
GEN hw/mem/trace.h
GEN hw/misc/trace.h
GEN hw/misc/macio/trace.h
GEN hw/net/trace.h
GEN hw/nvram/trace.h
GEN hw/pci/trace.h
GEN hw/pci-host/trace.h
GEN hw/ppc/trace.h
GEN hw/rdma/trace.h
GEN hw/rdma/vmw/trace.h
GEN hw/s390x/trace.h
GEN hw/scsi/trace.h
GEN hw/sd/trace.h
GEN hw/sparc/trace.h
GEN hw/sparc64/trace.h
GEN hw/timer/trace.h
GEN hw/tpm/trace.h
GEN hw/usb/trace.h
GEN hw/vfio/trace.h
GEN hw/virtio/trace.h
GEN hw/xen/trace.h
GEN io/trace.h
GEN linux-user/trace.h
GEN migration/trace.h
GEN nbd/trace.h
GEN net/trace.h
GEN qapi/trace.h
GEN qom/trace.h
GEN scsi/trace.h
GEN target/arm/trace.h
GEN target/i386/trace.h
GEN target/mips/trace.h
GEN target/ppc/trace.h
GEN target/s390x/trace.h
GEN target/sparc/trace.h
GEN ui/trace.h
GEN util/trace.h
GEN trace-root.c
GEN accel/kvm/trace.c
GEN accel/tcg/trace.c
GEN audio/trace.c
GEN block/trace.c
GEN chardev/trace.c
GEN crypto/trace.c
GEN hw/9pfs/trace.c
GEN hw/acpi/trace.c
GEN hw/alpha/trace.c
GEN hw/arm/trace.c
GEN hw/audio/trace.c
GEN hw/block/trace.c
GEN hw/block/dataplane/trace.c
GEN hw/char/trace.c
GEN hw/display/trace.c
GEN hw/dma/trace.c
GEN hw/hppa/trace.c
GEN hw/i2c/trace.c
GEN hw/i386/trace.c
GEN hw/i386/xen/trace.c
GEN hw/ide/trace.c
GEN hw/input/trace.c
GEN hw/intc/trace.c
GEN hw/isa/trace.c
GEN hw/mem/trace.c
GEN hw/misc/trace.c
GEN hw/misc/macio/trace.c
GEN hw/net/trace.c
GEN hw/nvram/trace.c
GEN hw/pci/trace.c
GEN hw/pci-host/trace.c
GEN hw/ppc/trace.c
GEN hw/rdma/trace.c
GEN hw/rdma/vmw/trace.c
GEN hw/s390x/trace.c
GEN hw/scsi/trace.c
GEN hw/sd/trace.c
GEN hw/sparc/trace.c
GEN hw/sparc64/trace.c
GEN hw/timer/trace.c
GEN hw/tpm/trace.c
GEN hw/usb/trace.c
GEN hw/vfio/trace.c
GEN hw/virtio/trace.c
GEN hw/xen/trace.c
GEN io/trace.c
GEN linux-user/trace.c
GEN migration/trace.c
GEN nbd/trace.c
GEN net/trace.c
GEN qapi/trace.c
GEN qom/trace.c
GEN scsi/trace.c
GEN target/arm/trace.c
GEN target/i386/trace.c
GEN target/mips/trace.c
GEN target/ppc/trace.c
GEN target/s390x/trace.c
GEN target/sparc/trace.c
GEN ui/trace.c
GEN util/trace.c
GEN config-all-devices.mak
DEP /tmp/qemu-test/src/dtc/tests/dumptrees.c
DEP /tmp/qemu-test/src/dtc/tests/trees.S
DEP /tmp/qemu-test/src/dtc/tests/testutils.c
DEP /tmp/qemu-test/src/dtc/tests/value-labels.c
DEP /tmp/qemu-test/src/dtc/tests/asm_tree_dump.c
DEP /tmp/qemu-test/src/dtc/tests/truncated_property.c
DEP /tmp/qemu-test/src/dtc/tests/check_path.c
DEP /tmp/qemu-test/src/dtc/tests/overlay_bad_fixup.c
DEP /tmp/qemu-test/src/dtc/tests/overlay.c
DEP /tmp/qemu-test/src/dtc/tests/subnode_iterate.c
DEP /tmp/qemu-test/src/dtc/tests/integer-expressions.c
DEP /tmp/qemu-test/src/dtc/tests/property_iterate.c
DEP /tmp/qemu-test/src/dtc/tests/utilfdt_test.c
DEP /tmp/qemu-test/src/dtc/tests/path_offset_aliases.c
DEP /tmp/qemu-test/src/dtc/tests/add_subnode_with_nops.c
DEP /tmp/qemu-test/src/dtc/tests/dtbs_equal_unordered.c
DEP /tmp/qemu-test/src/dtc/tests/dtb_reverse.c
DEP /tmp/qemu-test/src/dtc/tests/dtbs_equal_ordered.c
DEP /tmp/qemu-test/src/dtc/tests/extra-terminating-null.c
DEP /tmp/qemu-test/src/dtc/tests/incbin.c
DEP /tmp/qemu-test/src/dtc/tests/boot-cpuid.c
DEP /tmp/qemu-test/src/dtc/tests/phandle_format.c
DEP /tmp/qemu-test/src/dtc/tests/path-references.c
DEP /tmp/qemu-test/src/dtc/tests/references.c
DEP /tmp/qemu-test/src/dtc/tests/string_escapes.c
DEP /tmp/qemu-test/src/dtc/tests/propname_escapes.c
DEP /tmp/qemu-test/src/dtc/tests/appendprop2.c
DEP /tmp/qemu-test/src/dtc/tests/appendprop1.c
DEP /tmp/qemu-test/src/dtc/tests/del_node.c
DEP /tmp/qemu-test/src/dtc/tests/del_property.c
DEP /tmp/qemu-test/src/dtc/tests/setprop.c
DEP /tmp/qemu-test/src/dtc/tests/set_name.c
DEP /tmp/qemu-test/src/dtc/tests/rw_tree1.c
DEP /tmp/qemu-test/src/dtc/tests/open_pack.c
DEP /tmp/qemu-test/src/dtc/tests/nopulate.c
DEP /tmp/qemu-test/src/dtc/tests/mangle-layout.c
DEP /tmp/qemu-test/src/dtc/tests/move_and_save.c
DEP /tmp/qemu-test/src/dtc/tests/sw_tree1.c
DEP /tmp/qemu-test/src/dtc/tests/nop_node.c
DEP /tmp/qemu-test/src/dtc/tests/nop_property.c
DEP /tmp/qemu-test/src/dtc/tests/setprop_inplace.c
DEP /tmp/qemu-test/src/dtc/tests/stringlist.c
DEP /tmp/qemu-test/src/dtc/tests/addr_size_cells.c
DEP /tmp/qemu-test/src/dtc/tests/notfound.c
DEP /tmp/qemu-test/src/dtc/tests/sized_cells.c
DEP /tmp/qemu-test/src/dtc/tests/char_literal.c
DEP /tmp/qemu-test/src/dtc/tests/get_alias.c
DEP /tmp/qemu-test/src/dtc/tests/node_offset_by_compatible.c
DEP /tmp/qemu-test/src/dtc/tests/node_check_compatible.c
DEP /tmp/qemu-test/src/dtc/tests/node_offset_by_phandle.c
DEP /tmp/qemu-test/src/dtc/tests/node_offset_by_prop_value.c
DEP /tmp/qemu-test/src/dtc/tests/parent_offset.c
DEP /tmp/qemu-test/src/dtc/tests/supernode_atdepth_offset.c
DEP /tmp/qemu-test/src/dtc/tests/get_path.c
DEP /tmp/qemu-test/src/dtc/tests/get_phandle.c
DEP /tmp/qemu-test/src/dtc/tests/getprop.c
DEP /tmp/qemu-test/src/dtc/tests/get_name.c
DEP /tmp/qemu-test/src/dtc/tests/path_offset.c
DEP /tmp/qemu-test/src/dtc/tests/subnode_offset.c
DEP /tmp/qemu-test/src/dtc/tests/find_property.c
DEP /tmp/qemu-test/src/dtc/tests/root_node.c
DEP /tmp/qemu-test/src/dtc/tests/get_mem_rsv.c
DEP /tmp/qemu-test/src/dtc/libfdt/fdt_overlay.c
DEP /tmp/qemu-test/src/dtc/libfdt/fdt_addresses.c
DEP /tmp/qemu-test/src/dtc/libfdt/fdt_empty_tree.c
DEP /tmp/qemu-test/src/dtc/libfdt/fdt_strerror.c
DEP /tmp/qemu-test/src/dtc/libfdt/fdt_rw.c
DEP /tmp/qemu-test/src/dtc/libfdt/fdt_sw.c
DEP /tmp/qemu-test/src/dtc/libfdt/fdt_ro.c
DEP /tmp/qemu-test/src/dtc/libfdt/fdt_wip.c
DEP /tmp/qemu-test/src/dtc/libfdt/fdt.c
DEP /tmp/qemu-test/src/dtc/util.c
DEP /tmp/qemu-test/src/dtc/fdtoverlay.c
DEP /tmp/qemu-test/src/dtc/fdtput.c
DEP /tmp/qemu-test/src/dtc/fdtget.c
DEP /tmp/qemu-test/src/dtc/fdtdump.c
LEX convert-dtsv0-lexer.lex.c
DEP /tmp/qemu-test/src/dtc/srcpos.c
BISON dtc-parser.tab.c
LEX dtc-lexer.lex.c
DEP /tmp/qemu-test/src/dtc/livetree.c
DEP /tmp/qemu-test/src/dtc/treesource.c
DEP /tmp/qemu-test/src/dtc/flattree.c
DEP /tmp/qemu-test/src/dtc/fstree.c
DEP /tmp/qemu-test/src/dtc/dtc.c
DEP /tmp/qemu-test/src/dtc/data.c
DEP /tmp/qemu-test/src/dtc/checks.c
DEP convert-dtsv0-lexer.lex.c
DEP dtc-parser.tab.c
DEP dtc-lexer.lex.c
CHK version_gen.h
UPD version_gen.h
DEP /tmp/qemu-test/src/dtc/util.c
CC libfdt/fdt.o
CC libfdt/fdt_ro.o
CC libfdt/fdt_sw.o
CC libfdt/fdt_strerror.o
CC libfdt/fdt_wip.o
CC libfdt/fdt_empty_tree.o
CC libfdt/fdt_rw.o
CC libfdt/fdt_addresses.o
CC libfdt/fdt_overlay.o
AR libfdt/libfdt.a
x86_64-w64-mingw32-ar: creating libfdt/libfdt.a
a - libfdt/fdt.o
a - libfdt/fdt_ro.o
a - libfdt/fdt_wip.o
a - libfdt/fdt_sw.o
a - libfdt/fdt_rw.o
a - libfdt/fdt_strerror.o
a - libfdt/fdt_empty_tree.o
a - libfdt/fdt_addresses.o
a - libfdt/fdt_overlay.o
RC version.o
GEN qga/qapi-generated/qapi-gen
CC qapi/qapi-builtin-types.o
CC qapi/qapi-types.o
CC qapi/qapi-types-block-core.o
CC qapi/qapi-types-block.o
CC qapi/qapi-types-common.o
CC qapi/qapi-types-char.o
CC qapi/qapi-types-crypto.o
CC qapi/qapi-types-introspect.o
CC qapi/qapi-types-job.o
CC qapi/qapi-types-migration.o
CC qapi/qapi-types-misc.o
CC qapi/qapi-types-net.o
CC qapi/qapi-types-rocker.o
CC qapi/qapi-types-run-state.o
CC qapi/qapi-types-sockets.o
CC qapi/qapi-types-tpm.o
CC qapi/qapi-types-trace.o
CC qapi/qapi-types-transaction.o
CC qapi/qapi-types-ui.o
CC qapi/qapi-visit.o
CC qapi/qapi-builtin-visit.o
CC qapi/qapi-visit-block-core.o
CC qapi/qapi-visit-block.o
CC qapi/qapi-visit-char.o
CC qapi/qapi-visit-common.o
CC qapi/qapi-visit-crypto.o
CC qapi/qapi-visit-introspect.o
CC qapi/qapi-visit-job.o
CC qapi/qapi-visit-migration.o
CC qapi/qapi-visit-misc.o
CC qapi/qapi-visit-net.o
CC qapi/qapi-visit-rocker.o
CC qapi/qapi-visit-run-state.o
CC qapi/qapi-visit-sockets.o
CC qapi/qapi-visit-tpm.o
CC qapi/qapi-visit-trace.o
CC qapi/qapi-visit-transaction.o
CC qapi/qapi-visit-ui.o
CC qapi/qapi-events.o
CC qapi/qapi-events-block-core.o
CC qapi/qapi-events-block.o
CC qapi/qapi-events-char.o
CC qapi/qapi-events-common.o
CC qapi/qapi-events-crypto.o
CC qapi/qapi-events-introspect.o
CC qapi/qapi-events-job.o
CC qapi/qapi-events-migration.o
CC qapi/qapi-events-misc.o
CC qapi/qapi-events-net.o
CC qapi/qapi-events-rocker.o
CC qapi/qapi-events-run-state.o
CC qapi/qapi-events-sockets.o
CC qapi/qapi-events-tpm.o
CC qapi/qapi-events-trace.o
CC qapi/qapi-events-transaction.o
CC qapi/qapi-events-ui.o
CC qapi/qapi-introspect.o
CC qapi/qapi-visit-core.o
CC qapi/qapi-dealloc-visitor.o
CC qapi/qobject-input-visitor.o
CC qapi/qobject-output-visitor.o
CC qapi/qmp-registry.o
CC qapi/qmp-dispatch.o
CC qapi/string-input-visitor.o
CC qapi/string-output-visitor.o
CC qapi/opts-visitor.o
CC qapi/qapi-clone-visitor.o
CC qapi/qmp-event.o
CC qapi/qapi-util.o
CC qobject/qnull.o
CC qobject/qnum.o
CC qobject/qstring.o
CC qobject/qdict.o
CC qobject/qlist.o
CC qobject/qbool.o
CC qobject/qlit.o
CC qobject/qjson.o
CC qobject/qobject.o
CC qobject/json-lexer.o
CC qobject/json-streamer.o
CC qobject/json-parser.o
CC qobject/block-qdict.o
CC trace/simple.o
CC trace/qmp.o
CC trace/control.o
CC util/osdep.o
CC util/cutils.o
CC util/unicode.o
CC util/qemu-timer-common.o
CC util/bufferiszero.o
CC util/lockcnt.o
CC util/aiocb.o
CC util/async.o
CC util/aio-wait.o
CC util/thread-pool.o
CC util/qemu-timer.o
CC util/main-loop.o
CC util/iohandler.o
CC util/aio-win32.o
CC util/event_notifier-win32.o
CC util/oslib-win32.o
CC util/qemu-thread-win32.o
CC util/envlist.o
CC util/path.o
CC util/module.o
CC util/host-utils.o
CC util/bitmap.o
CC util/bitops.o
CC util/hbitmap.o
CC util/fifo8.o
CC util/acl.o
CC util/cacheinfo.o
CC util/error.o
CC util/qemu-error.o
CC util/id.o
CC util/iov.o
CC util/qemu-config.o
CC util/qemu-sockets.o
CC util/uri.o
CC util/notify.o
CC util/qemu-option.o
CC util/qemu-progress.o
CC util/keyval.o
CC util/hexdump.o
CC util/crc32c.o
CC util/uuid.o
CC util/throttle.o
CC util/getauxval.o
CC util/readline.o
CC util/rcu.o
CC util/qemu-coroutine.o
CC util/qemu-coroutine-lock.o
CC util/qemu-coroutine-io.o
CC util/qemu-coroutine-sleep.o
CC util/coroutine-win32.o
CC util/buffer.o
CC util/timed-average.o
CC util/base64.o
CC util/log.o
CC util/pagesize.o
CC util/qdist.o
CC util/qht.o
CC util/range.o
CC util/stats64.o
CC util/systemd.o
CC util/iova-tree.o
CC trace-root.o
CC accel/kvm/trace.o
CC accel/tcg/trace.o
CC audio/trace.o
CC block/trace.o
CC chardev/trace.o
CC crypto/trace.o
CC hw/9pfs/trace.o
CC hw/acpi/trace.o
CC hw/alpha/trace.o
CC hw/arm/trace.o
CC hw/block/trace.o
CC hw/audio/trace.o
CC hw/block/dataplane/trace.o
CC hw/char/trace.o
CC hw/display/trace.o
CC hw/dma/trace.o
CC hw/hppa/trace.o
CC hw/i386/trace.o
CC hw/i2c/trace.o
CC hw/i386/xen/trace.o
CC hw/ide/trace.o
CC hw/input/trace.o
CC hw/isa/trace.o
CC hw/intc/trace.o
CC hw/mem/trace.o
CC hw/misc/trace.o
CC hw/misc/macio/trace.o
CC hw/nvram/trace.o
CC hw/net/trace.o
CC hw/pci/trace.o
CC hw/pci-host/trace.o
CC hw/rdma/trace.o
CC hw/ppc/trace.o
CC hw/rdma/vmw/trace.o
CC hw/s390x/trace.o
CC hw/scsi/trace.o
CC hw/sd/trace.o
CC hw/sparc/trace.o
CC hw/sparc64/trace.o
CC hw/timer/trace.o
CC hw/tpm/trace.o
CC hw/usb/trace.o
CC hw/vfio/trace.o
CC hw/virtio/trace.o
CC hw/xen/trace.o
CC io/trace.o
CC migration/trace.o
CC linux-user/trace.o
CC net/trace.o
CC nbd/trace.o
CC qapi/trace.o
CC qom/trace.o
CC scsi/trace.o
CC target/arm/trace.o
CC target/i386/trace.o
CC target/mips/trace.o
CC target/ppc/trace.o
CC target/s390x/trace.o
CC target/sparc/trace.o
CC ui/trace.o
CC util/trace.o
CC crypto/pbkdf-stub.o
CC stubs/arch-query-cpu-def.o
CC stubs/arch-query-cpu-model-expansion.o
CC stubs/arch-query-cpu-model-comparison.o
CC stubs/arch-query-cpu-model-baseline.o
CC stubs/bdrv-next-monitor-owned.o
CC stubs/blk-commit-all.o
CC stubs/blockdev-close-all-bdrv-states.o
CC stubs/clock-warp.o
CC stubs/cpu-get-clock.o
CC stubs/cpu-get-icount.o
CC stubs/error-printf.o
CC stubs/dump.o
CC stubs/fdset.o
CC stubs/gdbstub.o
CC stubs/get-vm-name.o
CC stubs/iothread.o
CC stubs/iothread-lock.o
CC stubs/is-daemonized.o
CC stubs/machine-init-done.o
CC stubs/migr-blocker.o
CC stubs/change-state-handler.o
CC stubs/monitor.o
CC stubs/notify-event.o
CC stubs/qtest.o
CC stubs/replay.o
CC stubs/runstate-check.o
CC stubs/set-fd-handler.o
CC stubs/slirp.o
CC stubs/sysbus.o
CC stubs/tpm.o
CC stubs/trace-control.o
CC stubs/vm-stop.o
CC stubs/vmstate.o
CC stubs/uuid.o
CC stubs/fd-register.o
CC stubs/qmp_memory_device.o
CC stubs/target-monitor-defs.o
CC stubs/target-get-monitor-def.o
CC stubs/pc_madt_cpu_entry.o
CC stubs/vmgenid.o
CC stubs/xen-common.o
CC stubs/xen-hvm.o
CC stubs/pci-host-piix.o
CC stubs/ram-block.o
GEN qemu-img-cmds.h
CC block.o
CC blockjob.o
CC job.o
CC qemu-io-cmds.o
CC replication.o
CC block/raw-format.o
CC block/qcow.o
CC block/vdi.o
CC block/vmdk.o
CC block/cloop.o
CC block/bochs.o
CC block/vpc.o
CC block/vvfat.o
CC block/dmg.o
CC block/qcow2.o
CC block/qcow2-refcount.o
CC block/qcow2-cluster.o
CC block/qcow2-snapshot.o
CC block/qcow2-cache.o
CC block/qcow2-bitmap.o
CC block/qed.o
CC block/qed-l2-cache.o
CC block/qed-table.o
CC block/qed-cluster.o
CC block/qed-check.o
CC block/vhdx.o
CC block/vhdx-endian.o
CC block/vhdx-log.o
CC block/quorum.o
CC block/parallels.o
CC block/blkdebug.o
CC block/blkverify.o
CC block/blkreplay.o
CC block/block-backend.o
CC block/snapshot.o
CC block/qapi.o
CC block/file-win32.o
CC block/win32-aio.o
CC block/null.o
CC block/mirror.o
CC block/commit.o
CC block/io.o
CC block/create.o
CC block/throttle-groups.o
CC block/nbd.o
CC block/nbd-client.o
CC block/sheepdog.o
CC block/accounting.o
CC block/dirty-bitmap.o
CC block/write-threshold.o
CC block/backup.o
CC block/replication.o
CC block/throttle.o
CC block/copy-on-read.o
CC block/crypto.o
CC nbd/server.o
CC nbd/client.o
CC nbd/common.o
CC scsi/utils.o
CC block/curl.o
CC block/ssh.o
CC block/dmg-bz2.o
CC crypto/init.o
CC crypto/hash.o
CC crypto/hash-nettle.o
CC crypto/hmac.o
CC crypto/hmac-nettle.o
CC crypto/aes.o
CC crypto/desrfb.o
CC crypto/cipher.o
CC crypto/tlscreds.o
CC crypto/tlscredsanon.o
CC crypto/tlscredsx509.o
CC crypto/tlssession.o
CC crypto/secret.o
CC crypto/random-gnutls.o
CC crypto/pbkdf.o
CC crypto/pbkdf-nettle.o
CC crypto/ivgen.o
CC crypto/ivgen-essiv.o
CC crypto/ivgen-plain.o
CC crypto/ivgen-plain64.o
CC crypto/afsplit.o
CC crypto/xts.o
CC crypto/block.o
CC crypto/block-qcow.o
CC crypto/block-luks.o
CC io/channel.o
CC io/channel-buffer.o
CC io/channel-command.o
CC io/channel-file.o
CC io/channel-socket.o
CC io/channel-tls.o
CC io/channel-watch.o
CC io/channel-websock.o
CC io/channel-util.o
CC io/dns-resolver.o
CC io/net-listener.o
CC io/task.o
CC qom/object.o
/tmp/qemu-test/src/nbd/server.c: In function 'nbd_trip':
/tmp/qemu-test/src/nbd/server.c:1979:19: error: 'end' may be used uninitialized in this function [-Werror=maybe-uninitialized]
*length = end - offset;
~~~~^~~~~~~~
/tmp/qemu-test/src/nbd/server.c:1940:30: note: 'end' was declared here
uint64_t begin = offset, end;
^~~
cc1: all warnings being treated as errors
make: *** [/tmp/qemu-test/src/rules.mak:69: nbd/server.o] Error 1
make: *** Waiting for unfinished jobs....
Traceback (most recent call last):
File "./tests/docker/docker.py", line 426, in <module>
sys.exit(main())
File "./tests/docker/docker.py", line 423, in main
return args.cmdobj.run(args, argv)
File "./tests/docker/docker.py", line 262, in run
return Docker().run(argv, args.keep, quiet=args.quiet)
File "./tests/docker/docker.py", line 230, in run
quiet=quiet)
File "./tests/docker/docker.py", line 148, in _do_check
return subprocess.check_call(self._command + cmd, **kwargs)
File "/usr/lib64/python2.7/subprocess.py", line 186, in check_call
raise CalledProcessError(retcode, cmd)
subprocess.CalledProcessError: Command '['docker', 'run', '--label', 'com.qemu.instance.uuid=a25e68fa751411e8adcd52540069c830', '-u', '0', '--security-opt', 'seccomp=unconfined', '--rm', '--net=none', '-e', 'TARGET_LIST=', '-e', 'EXTRA_CONFIGURE_OPTS=', '-e', 'V=', '-e', 'J=8', '-e', 'DEBUG=', '-e', 'SHOW_ENV=1', '-e', 'CCACHE_DIR=/var/tmp/ccache', '-v', '/root/.cache/qemu-docker-ccache:/var/tmp/ccache:z', '-v', '/var/tmp/patchew-tester-tmp-kndg27b2/src/docker-src.2018-06-21-01.33.16.21343:/var/tmp/qemu:z,ro', 'qemu:fedora', '/var/tmp/qemu/run', 'test-mingw']' returned non-zero exit status 2
make[1]: *** [tests/docker/Makefile.include:133: docker-run] Error 1
make[1]: Leaving directory '/var/tmp/patchew-tester-tmp-kndg27b2/src'
make: *** [tests/docker/Makefile.include:167: docker-run-test-mingw@fedora] Error 2
real 1m39.162s
user 0m4.702s
sys 0m3.633s
=== OUTPUT END ===
Test command exited with code: 2
---
Email generated automatically by Patchew [http://patchew.org/].
Please send your feedback to patchew-devel@redhat.com
^ permalink raw reply [flat|nested] 15+ messages in thread
* Re: [Qemu-devel] [PULL 0/7] bitmap export over NBD
2018-06-21 3:19 [Qemu-devel] [PULL 0/7] bitmap export over NBD Eric Blake
` (7 preceding siblings ...)
2018-06-21 5:34 ` [Qemu-devel] [PULL 0/7] bitmap export over NBD no-reply
@ 2018-06-21 6:09 ` no-reply
2018-06-21 9:03 ` Peter Maydell
9 siblings, 0 replies; 15+ messages in thread
From: no-reply @ 2018-06-21 6:09 UTC (permalink / raw)
To: eblake; +Cc: famz, qemu-devel
Hi,
This series failed build test on s390x host. Please find the details below.
Type: series
Message-id: 20180621031957.134718-1-eblake@redhat.com
Subject: [Qemu-devel] [PULL 0/7] bitmap export over NBD
=== TEST SCRIPT BEGIN ===
#!/bin/bash
# Testing script will be invoked under the git checkout with
# HEAD pointing to a commit that has the patches applied on top of "base"
# branch
set -e
echo "=== ENV ==="
env
echo "=== PACKAGES ==="
rpm -qa
echo "=== TEST BEGIN ==="
CC=$HOME/bin/cc
INSTALL=$PWD/install
BUILD=$PWD/build
echo -n "Using CC: "
realpath $CC
mkdir -p $BUILD $INSTALL
SRC=$PWD
cd $BUILD
$SRC/configure --cc=$CC --prefix=$INSTALL
make -j4
# XXX: we need reliable clean up
# make check -j4 V=1
make install
=== TEST SCRIPT END ===
Updating 3c8cf5a9c21ff8782164d1def7f44bd888713384
Switched to a new branch 'test'
c22707306f docs/interop: add nbd.txt
4c0d1f2119 qapi: new qmp command nbd-server-add-bitmap
822d9ac324 nbd/server: implement dirty bitmap export
89d48246d1 nbd/server: add nbd_meta_empty_or_pattern helper
9666d89233 nbd/server: refactor NBDExportMetaContexts
f57941b5a4 nbd/server: fix trace
3683ca1d05 tests: Simplify .gitignore
=== OUTPUT BEGIN ===
=== ENV ===
LANG=en_US.UTF-8
XDG_SESSION_ID=240042
USER=fam
PWD=/var/tmp/patchew-tester-tmp-c7rrxxwi/src
HOME=/home/fam
SHELL=/bin/sh
SHLVL=2
PATCHEW=/home/fam/patchew/patchew-cli -s http://patchew.org --nodebug
LOGNAME=fam
DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/1012/bus
XDG_RUNTIME_DIR=/run/user/1012
PATH=/usr/bin:/bin
_=/usr/bin/env
=== PACKAGES ===
gpg-pubkey-873529b8-54e386ff
glibc-debuginfo-common-2.24-10.fc25.s390x
fedora-release-26-1.noarch
dejavu-sans-mono-fonts-2.35-4.fc26.noarch
xemacs-filesystem-21.5.34-22.20170124hgf412e9f093d4.fc26.noarch
bash-4.4.12-7.fc26.s390x
libSM-1.2.2-5.fc26.s390x
libmpc-1.0.2-6.fc26.s390x
libaio-0.3.110-7.fc26.s390x
libverto-0.2.6-7.fc26.s390x
perl-Scalar-List-Utils-1.48-1.fc26.s390x
iptables-libs-1.6.1-2.fc26.s390x
tcl-8.6.6-2.fc26.s390x
libxshmfence-1.2-4.fc26.s390x
expect-5.45-23.fc26.s390x
perl-Thread-Queue-3.12-1.fc26.noarch
perl-encoding-2.19-6.fc26.s390x
keyutils-1.5.10-1.fc26.s390x
gmp-devel-6.1.2-4.fc26.s390x
enchant-1.6.0-16.fc26.s390x
python-gobject-base-3.24.1-1.fc26.s390x
python3-enchant-1.6.10-1.fc26.noarch
python-lockfile-0.11.0-6.fc26.noarch
python2-pyparsing-2.1.10-3.fc26.noarch
python2-lxml-4.1.1-1.fc26.s390x
librados2-10.2.7-2.fc26.s390x
trousers-lib-0.3.13-7.fc26.s390x
libdatrie-0.2.9-4.fc26.s390x
libsoup-2.58.2-1.fc26.s390x
passwd-0.79-9.fc26.s390x
bind99-libs-9.9.10-3.P3.fc26.s390x
python3-rpm-4.13.0.2-1.fc26.s390x
systemd-233-7.fc26.s390x
virglrenderer-0.6.0-1.20170210git76b3da97b.fc26.s390x
s390utils-ziomon-1.36.1-3.fc26.s390x
s390utils-osasnmpd-1.36.1-3.fc26.s390x
libXrandr-1.5.1-2.fc26.s390x
libglvnd-glx-1.0.0-1.fc26.s390x
texlive-ifxetex-svn19685.0.5-33.fc26.2.noarch
texlive-psnfss-svn33946.9.2a-33.fc26.2.noarch
texlive-dvipdfmx-def-svn40328-33.fc26.2.noarch
texlive-natbib-svn20668.8.31b-33.fc26.2.noarch
texlive-xdvi-bin-svn40750-33.20160520.fc26.2.s390x
texlive-cm-svn32865.0-33.fc26.2.noarch
texlive-beton-svn15878.0-33.fc26.2.noarch
texlive-fpl-svn15878.1.002-33.fc26.2.noarch
texlive-mflogo-svn38628-33.fc26.2.noarch
texlive-texlive-docindex-svn41430-33.fc26.2.noarch
texlive-luaotfload-bin-svn34647.0-33.20160520.fc26.2.noarch
texlive-koma-script-svn41508-33.fc26.2.noarch
texlive-pst-tree-svn24142.1.12-33.fc26.2.noarch
texlive-breqn-svn38099.0.98d-33.fc26.2.noarch
texlive-xetex-svn41438-33.fc26.2.noarch
gstreamer1-plugins-bad-free-1.12.3-1.fc26.s390x
xorg-x11-font-utils-7.5-33.fc26.s390x
ghostscript-fonts-5.50-36.fc26.noarch
libXext-devel-1.3.3-5.fc26.s390x
libusbx-devel-1.0.21-2.fc26.s390x
libglvnd-devel-1.0.0-1.fc26.s390x
emacs-25.3-3.fc26.s390x
alsa-lib-devel-1.1.4.1-1.fc26.s390x
kbd-2.0.4-2.fc26.s390x
dconf-0.26.0-2.fc26.s390x
mc-4.8.19-5.fc26.s390x
doxygen-1.8.13-9.fc26.s390x
dpkg-1.18.24-1.fc26.s390x
libtdb-1.3.13-1.fc26.s390x
python2-pynacl-1.1.1-1.fc26.s390x
perl-Filter-1.58-1.fc26.s390x
python2-pip-9.0.1-11.fc26.noarch
dnf-2.7.5-2.fc26.noarch
bind-license-9.11.2-1.P1.fc26.noarch
libtasn1-4.13-1.fc26.s390x
cpp-7.3.1-2.fc26.s390x
pkgconf-1.3.12-2.fc26.s390x
python2-fedora-0.10.0-1.fc26.noarch
cmake-filesystem-3.10.1-11.fc26.s390x
python3-requests-kerberos-0.12.0-1.fc26.noarch
libmicrohttpd-0.9.59-1.fc26.s390x
GeoIP-GeoLite-data-2018.01-1.fc26.noarch
python2-libs-2.7.14-7.fc26.s390x
libidn2-2.0.4-3.fc26.s390x
p11-kit-devel-0.23.10-1.fc26.s390x
perl-Errno-1.25-396.fc26.s390x
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texlive-subfig-svn15878.1.3-33.fc26.2.noarch
texlive-gsftopk-bin-svn40473-33.20160520.fc26.2.s390x
texlive-tex-ini-files-svn40533-33.fc26.2.noarch
texlive-qstest-svn15878.0-33.fc26.2.noarch
texlive-palatino-svn31835.0-33.fc26.2.noarch
texlive-ec-svn25033.1.0-33.fc26.2.noarch
texlive-iftex-svn29654.0.2-33.fc26.2.noarch
texlive-pslatex-svn16416.0-33.fc26.2.noarch
texlive-algorithms-svn38085.0.1-33.fc26.2.noarch
texlive-filehook-svn24280.0.5d-33.fc26.2.noarch
texlive-pst-node-svn40743-33.fc26.2.noarch
texlive-rotating-svn16832.2.16b-33.fc26.2.noarch
texlive-seminar-svn34011.1.62-33.fc26.2.noarch
libuuid-devel-2.30.2-1.fc26.s390x
libXinerama-devel-1.1.3-7.fc26.s390x
emacs-common-25.3-3.fc26.s390x
fedora-packager-0.6.0.1-2.fc26.noarch
snappy-devel-1.1.4-3.fc26.s390x
authconfig-7.0.1-2.fc26.s390x
newt-python3-0.52.20-1.fc26.s390x
python-decoratortools-1.8-13.fc26.noarch
python-systemd-doc-234-1.fc26.s390x
openssl-libs-1.1.0g-1.fc26.s390x
lsof-4.89-5.fc26.s390x
glibc-all-langpacks-2.25-13.fc26.s390x
audit-libs-2.8.2-1.fc26.s390x
gcc-7.3.1-2.fc26.s390x
pcre2-utf16-10.23-13.fc26.s390x
kernel-core-4.15.4-200.fc26.s390x
dracut-config-rescue-046-8.git20180105.fc26.s390x
webkitgtk4-plugin-process-gtk2-2.18.6-1.fc26.s390x
perl-Time-HiRes-1.9753-1.fc26.s390x
haveged-1.9.1-6.fc26.s390x
p11-kit-0.23.10-1.fc26.s390x
boost-system-1.63.0-11.fc26.s390x
glusterfs-fuse-3.10.11-1.fc26.s390x
vim-common-8.0.1553-1.fc26.s390x
systemtap-devel-3.2-7.fc26.s390x
perl-SelfLoader-1.23-396.fc26.noarch
nss-tools-3.36.0-1.0.fc26.s390x
libwebp-0.6.1-8.fc26.s390x
python3-configargparse-0.12.0-1.fc26.noarch
gpg-pubkey-a0a7badb-52844296
gpg-pubkey-e372e838-56fd7943
gpg-pubkey-3b921d09-57a87096
google-roboto-slab-fonts-1.100263-0.5.20150923git.fc26.noarch
libreport-filesystem-2.9.1-3.fc26.s390x
libcom_err-1.43.4-2.fc26.s390x
libffi-3.1-12.fc26.s390x
keyutils-libs-1.5.10-1.fc26.s390x
diffutils-3.5-3.fc26.s390x
apr-util-1.5.4-6.fc26.s390x
bluez-libs-5.46-6.fc26.s390x
libksba-1.3.5-3.fc26.s390x
ncurses-6.0-8.20170212.fc26.s390x
libteam-1.27-1.fc26.s390x
perl-Fedora-VSP-0.001-5.fc26.noarch
libusb-0.1.5-8.fc26.s390x
acl-2.2.52-15.fc26.s390x
dwz-0.12-3.fc26.s390x
libblkid-2.30.2-1.fc26.s390x
polkit-libs-0.113-8.fc26.s390x
dbus-python-1.2.4-6.fc26.s390x
gts-0.7.6-30.20121130.fc26.s390x
libfdisk-2.30.2-1.fc26.s390x
python3-pycparser-2.14-10.fc26.noarch
python3-bugzilla-2.1.0-1.fc26.noarch
python2-docutils-0.13.1-4.fc26.noarch
python2-requests-2.13.0-1.fc26.noarch
libcephfs-devel-10.2.7-2.fc26.s390x
ncurses-c++-libs-6.0-8.20170212.fc26.s390x
GeoIP-1.6.11-1.fc26.s390x
liblockfile-1.09-5.fc26.s390x
rpm-plugin-selinux-4.13.0.2-1.fc26.s390x
libsysfs-2.1.0-20.fc26.s390x
libdnf-0.11.1-1.fc26.s390x
mesa-libgbm-17.2.4-2.fc26.s390x
lvm2-libs-2.02.168-6.fc26.s390x
libXfixes-5.0.3-2.fc26.s390x
brlapi-0.6.6-5.fc26.s390x
texlive-metafont-svn40793-33.fc26.2.noarch
texlive-graphics-cfg-svn40269-33.fc26.2.noarch
texlive-mptopdf-svn41282-33.fc26.2.noarch
texlive-makeindex-bin-svn40473-33.20160520.fc26.2.s390x
texlive-texlive-scripts-bin-svn29741.0-33.20160520.fc26.2.noarch
texlive-sauerj-svn15878.0-33.fc26.2.noarch
texlive-txfonts-svn15878.0-33.fc26.2.noarch
texlive-filecontents-svn24250.1.3-33.fc26.2.noarch
texlive-lualibs-svn40370-33.fc26.2.noarch
texlive-section-svn20180.0-33.fc26.2.noarch
texlive-ucharcat-svn38907-33.fc26.2.noarch
texlive-hyperref-svn41396-33.fc26.2.noarch
texlive-pst-3d-svn17257.1.10-33.fc26.2.noarch
texlive-oberdiek-svn41346-33.fc26.2.noarch
texlive-ae-svn15878.1.4-33.fc26.2.noarch
texlive-collection-basic-svn41149-33.20160520.fc26.2.noarch
gnat-srpm-macros-4-2.fc26.noarch
glib2-devel-2.52.3-2.fc26.s390x
netpbm-progs-10.80.00-2.fc26.s390x
libXxf86vm-devel-1.1.4-4.fc26.s390x
nettle-devel-3.3-2.fc26.s390x
cairo-gobject-devel-1.14.10-1.fc26.s390x
fedora-rpm-macros-26-2.fc26.noarch
libidn-devel-1.33-2.fc26.s390x
s390utils-1.36.1-3.fc26.s390x
libtool-2.4.6-17.fc26.s390x
python3-cssselect-0.9.2-4.fc26.noarch
python2-cssselect-0.9.2-4.fc26.noarch
bison-3.0.4-6.fc26.s390x
rootfiles-8.1-20.fc26.noarch
python3-urllib3-1.20-2.fc26.noarch
libgcc-7.3.1-2.fc26.s390x
python3-distro-1.2.0-1.fc26.noarch
libnfsidmap-2.2.1-4.rc2.fc26.s390x
kernel-4.15.4-200.fc26.s390x
glibc-static-2.25-13.fc26.s390x
xapian-core-libs-1.4.5-1.fc26.s390x
elfutils-libelf-0.170-4.fc26.s390x
nss-3.36.0-1.0.fc26.s390x
nss-softokn-freebl-devel-3.36.0-1.0.fc26.s390x
koji-1.15.0-4.fc26.noarch
perl-Git-2.13.6-3.fc26.noarch
elfutils-default-yama-scope-0.170-4.fc26.noarch
selinux-policy-targeted-3.13.1-260.20.fc26.noarch
curl-7.53.1-16.fc26.s390x
publicsuffix-list-dafsa-20180223-1.fc26.noarch
python3-funcsigs-1.0.2-5.fc26.noarch
=== TEST BEGIN ===
Using CC: /home/fam/bin/cc
Install prefix /var/tmp/patchew-tester-tmp-c7rrxxwi/src/install
BIOS directory /var/tmp/patchew-tester-tmp-c7rrxxwi/src/install/share/qemu
firmware path /var/tmp/patchew-tester-tmp-c7rrxxwi/src/install/share/qemu-firmware
binary directory /var/tmp/patchew-tester-tmp-c7rrxxwi/src/install/bin
library directory /var/tmp/patchew-tester-tmp-c7rrxxwi/src/install/lib
module directory /var/tmp/patchew-tester-tmp-c7rrxxwi/src/install/lib/qemu
libexec directory /var/tmp/patchew-tester-tmp-c7rrxxwi/src/install/libexec
include directory /var/tmp/patchew-tester-tmp-c7rrxxwi/src/install/include
config directory /var/tmp/patchew-tester-tmp-c7rrxxwi/src/install/etc
local state directory /var/tmp/patchew-tester-tmp-c7rrxxwi/src/install/var
Manual directory /var/tmp/patchew-tester-tmp-c7rrxxwi/src/install/share/man
ELF interp prefix /usr/gnemul/qemu-%M
Source path /var/tmp/patchew-tester-tmp-c7rrxxwi/src
GIT binary git
GIT submodules ui/keycodemapdb capstone
C compiler /home/fam/bin/cc
Host C compiler cc
C++ compiler c++
Objective-C compiler /home/fam/bin/cc
ARFLAGS rv
CFLAGS -O2 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -g
QEMU_CFLAGS -I/usr/include/pixman-1 -Werror -DHAS_LIBSSH2_SFTP_FSYNC -pthread -I/usr/include/glib-2.0 -I/usr/lib64/glib-2.0/include -m64 -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -Wstrict-prototypes -Wredundant-decls -Wall -Wundef -Wwrite-strings -Wmissing-prototypes -fno-strict-aliasing -fno-common -fwrapv -Wexpansion-to-defined -Wendif-labels -Wno-shift-negative-value -Wno-missing-include-dirs -Wempty-body -Wnested-externs -Wformat-security -Wformat-y2k -Winit-self -Wignored-qualifiers -Wold-style-declaration -Wold-style-definition -Wtype-limits -fstack-protector-strong -I/usr/include/p11-kit-1 -I/usr/include/libpng16 -I/usr/include/libdrm -I$(SRC_PATH)/capstone/include
LDFLAGS -Wl,--warn-common -m64 -g
QEMU_LDFLAGS
make make
install install
python python -B
smbd /usr/sbin/smbd
module support no
host CPU s390x
host big endian yes
target list aarch64-softmmu alpha-softmmu arm-softmmu cris-softmmu hppa-softmmu i386-softmmu lm32-softmmu m68k-softmmu microblazeel-softmmu microblaze-softmmu mips64el-softmmu mips64-softmmu mipsel-softmmu mips-softmmu moxie-softmmu nios2-softmmu or1k-softmmu ppc64-softmmu ppcemb-softmmu ppc-softmmu riscv32-softmmu riscv64-softmmu s390x-softmmu sh4eb-softmmu sh4-softmmu sparc64-softmmu sparc-softmmu tricore-softmmu unicore32-softmmu x86_64-softmmu xtensaeb-softmmu xtensa-softmmu aarch64_be-linux-user aarch64-linux-user alpha-linux-user armeb-linux-user arm-linux-user cris-linux-user hppa-linux-user i386-linux-user m68k-linux-user microblazeel-linux-user microblaze-linux-user mips64el-linux-user mips64-linux-user mipsel-linux-user mips-linux-user mipsn32el-linux-user mipsn32-linux-user nios2-linux-user or1k-linux-user ppc64abi32-linux-user ppc64le-linux-user ppc64-linux-user ppc-linux-user riscv32-linux-user riscv64-linux-user s390x-linux-user sh4eb-linux-user sh4-linux-user sparc32plus-linux-user sparc64-linux-user sparc-linux-user tilegx-linux-user x86_64-linux-user xtensaeb-linux-user xtensa-linux-user
gprof enabled no
sparse enabled no
strip binaries yes
profiler no
static build no
SDL support yes (2.0.7)
GTK support yes (3.22.21)
GTK GL support yes
VTE support yes (0.48.4)
TLS priority NORMAL
GNUTLS support yes
GNUTLS rnd yes
libgcrypt no
libgcrypt kdf no
nettle yes (3.3)
nettle kdf yes
libtasn1 yes
curses support yes
virgl support yes (0.6.0)
curl support yes
mingw32 support no
Audio drivers oss
Block whitelist (rw)
Block whitelist (ro)
VirtFS support yes
Multipath support no
VNC support yes
VNC SASL support yes
VNC JPEG support yes
VNC PNG support yes
xen support no
brlapi support yes
bluez support yes
Documentation yes
PIE no
vde support no
netmap support no
Linux AIO support yes
ATTR/XATTR support yes
Install blobs yes
KVM support yes
HAX support no
HVF support no
WHPX support no
TCG support yes
TCG debug enabled no
TCG interpreter no
malloc trim support yes
RDMA support no
fdt support system
membarrier no
preadv support yes
fdatasync yes
madvise yes
posix_madvise yes
posix_memalign yes
libcap-ng support yes
vhost-net support yes
vhost-crypto support yes
vhost-scsi support yes
vhost-vsock support yes
vhost-user support yes
Trace backends log
spice support no
rbd support yes
xfsctl support no
smartcard support yes
libusb yes
usb net redir yes
OpenGL support yes
OpenGL dmabufs yes
libiscsi support yes
libnfs support yes
build guest agent yes
QGA VSS support no
QGA w32 disk info no
QGA MSI support no
seccomp support yes
coroutine backend ucontext
coroutine pool yes
debug stack usage no
crypto afalg no
GlusterFS support yes
gcov gcov
gcov enabled no
TPM support yes
libssh2 support yes
TPM passthrough no
TPM emulator yes
QOM debugging yes
Live block migration yes
lzo support yes
snappy support yes
bzip2 support yes
NUMA host support no
libxml2 yes
tcmalloc support no
jemalloc support no
avx2 optimization no
replication support yes
VxHS block device no
capstone git
docker no
GEN aarch64-softmmu/config-devices.mak.tmp
GEN alpha-softmmu/config-devices.mak.tmp
GEN arm-softmmu/config-devices.mak.tmp
GEN cris-softmmu/config-devices.mak.tmp
GEN cris-softmmu/config-devices.mak
GEN hppa-softmmu/config-devices.mak.tmp
GEN arm-softmmu/config-devices.mak
GEN alpha-softmmu/config-devices.mak
GEN aarch64-softmmu/config-devices.mak
GEN i386-softmmu/config-devices.mak.tmp
GEN lm32-softmmu/config-devices.mak.tmp
GEN m68k-softmmu/config-devices.mak.tmp
GEN lm32-softmmu/config-devices.mak
GEN microblazeel-softmmu/config-devices.mak.tmp
GEN m68k-softmmu/config-devices.mak
GEN hppa-softmmu/config-devices.mak
GEN microblaze-softmmu/config-devices.mak.tmp
GEN mips64el-softmmu/config-devices.mak.tmp
GEN i386-softmmu/config-devices.mak
GEN mips64-softmmu/config-devices.mak.tmp
GEN microblazeel-softmmu/config-devices.mak
GEN mipsel-softmmu/config-devices.mak.tmp
GEN microblaze-softmmu/config-devices.mak
GEN mips-softmmu/config-devices.mak.tmp
GEN mips64el-softmmu/config-devices.mak
GEN mips64-softmmu/config-devices.mak
GEN moxie-softmmu/config-devices.mak.tmp
GEN mipsel-softmmu/config-devices.mak
GEN nios2-softmmu/config-devices.mak.tmp
GEN or1k-softmmu/config-devices.mak.tmp
GEN mips-softmmu/config-devices.mak
GEN ppc64-softmmu/config-devices.mak.tmp
GEN nios2-softmmu/config-devices.mak
GEN moxie-softmmu/config-devices.mak
GEN ppcemb-softmmu/config-devices.mak.tmp
GEN ppc-softmmu/config-devices.mak.tmp
GEN or1k-softmmu/config-devices.mak
GEN riscv32-softmmu/config-devices.mak.tmp
GEN riscv32-softmmu/config-devices.mak
GEN ppc-softmmu/config-devices.mak
GEN riscv64-softmmu/config-devices.mak.tmp
GEN s390x-softmmu/config-devices.mak.tmp
GEN ppc64-softmmu/config-devices.mak
GEN ppcemb-softmmu/config-devices.mak
GEN sh4eb-softmmu/config-devices.mak.tmp
GEN sh4-softmmu/config-devices.mak.tmp
GEN riscv64-softmmu/config-devices.mak
GEN s390x-softmmu/config-devices.mak
GEN sparc64-softmmu/config-devices.mak.tmp
GEN sparc-softmmu/config-devices.mak.tmp
GEN sparc-softmmu/config-devices.mak
GEN sh4-softmmu/config-devices.mak
GEN sh4eb-softmmu/config-devices.mak
GEN tricore-softmmu/config-devices.mak.tmp
GEN unicore32-softmmu/config-devices.mak.tmp
GEN x86_64-softmmu/config-devices.mak.tmp
GEN sparc64-softmmu/config-devices.mak
GEN tricore-softmmu/config-devices.mak
GEN xtensaeb-softmmu/config-devices.mak.tmp
GEN unicore32-softmmu/config-devices.mak
GEN xtensa-softmmu/config-devices.mak.tmp
GEN aarch64_be-linux-user/config-devices.mak.tmp
GEN xtensaeb-softmmu/config-devices.mak
GEN xtensa-softmmu/config-devices.mak
GEN aarch64-linux-user/config-devices.mak.tmp
GEN alpha-linux-user/config-devices.mak.tmp
GEN aarch64_be-linux-user/config-devices.mak
GEN x86_64-softmmu/config-devices.mak
GEN armeb-linux-user/config-devices.mak.tmp
GEN arm-linux-user/config-devices.mak.tmp
GEN aarch64-linux-user/config-devices.mak
GEN alpha-linux-user/config-devices.mak
GEN cris-linux-user/config-devices.mak.tmp
GEN hppa-linux-user/config-devices.mak.tmp
GEN armeb-linux-user/config-devices.mak
GEN arm-linux-user/config-devices.mak
GEN i386-linux-user/config-devices.mak.tmp
GEN cris-linux-user/config-devices.mak
GEN hppa-linux-user/config-devices.mak
GEN m68k-linux-user/config-devices.mak.tmp
GEN microblazeel-linux-user/config-devices.mak.tmp
GEN microblaze-linux-user/config-devices.mak.tmp
GEN i386-linux-user/config-devices.mak
GEN microblazeel-linux-user/config-devices.mak
GEN m68k-linux-user/config-devices.mak
GEN mips64el-linux-user/config-devices.mak.tmp
GEN mips64-linux-user/config-devices.mak.tmp
GEN microblaze-linux-user/config-devices.mak
GEN mipsel-linux-user/config-devices.mak.tmp
GEN mips-linux-user/config-devices.mak.tmp
GEN mips64el-linux-user/config-devices.mak
GEN mips64-linux-user/config-devices.mak
GEN mipsel-linux-user/config-devices.mak
GEN mipsn32-linux-user/config-devices.mak.tmp
GEN mipsn32el-linux-user/config-devices.mak.tmp
GEN mips-linux-user/config-devices.mak
GEN nios2-linux-user/config-devices.mak.tmp
GEN or1k-linux-user/config-devices.mak.tmp
GEN mipsn32-linux-user/config-devices.mak
GEN mipsn32el-linux-user/config-devices.mak
GEN ppc64abi32-linux-user/config-devices.mak.tmp
GEN ppc64le-linux-user/config-devices.mak.tmp
GEN or1k-linux-user/config-devices.mak
GEN nios2-linux-user/config-devices.mak
GEN ppc64abi32-linux-user/config-devices.mak
GEN ppc-linux-user/config-devices.mak.tmp
GEN ppc64-linux-user/config-devices.mak.tmp
GEN riscv32-linux-user/config-devices.mak.tmp
GEN ppc64le-linux-user/config-devices.mak
GEN ppc-linux-user/config-devices.mak
GEN riscv64-linux-user/config-devices.mak.tmp
GEN ppc64-linux-user/config-devices.mak
GEN s390x-linux-user/config-devices.mak.tmp
GEN sh4eb-linux-user/config-devices.mak.tmp
GEN riscv32-linux-user/config-devices.mak
GEN riscv64-linux-user/config-devices.mak
GEN sh4-linux-user/config-devices.mak.tmp
GEN s390x-linux-user/config-devices.mak
GEN sparc32plus-linux-user/config-devices.mak.tmp
GEN sparc64-linux-user/config-devices.mak.tmp
GEN sh4eb-linux-user/config-devices.mak
GEN sparc-linux-user/config-devices.mak.tmp
GEN sh4-linux-user/config-devices.mak
GEN tilegx-linux-user/config-devices.mak.tmp
GEN sparc32plus-linux-user/config-devices.mak
GEN sparc64-linux-user/config-devices.mak
GEN x86_64-linux-user/config-devices.mak.tmp
GEN sparc-linux-user/config-devices.mak
GEN xtensaeb-linux-user/config-devices.mak.tmp
GEN xtensa-linux-user/config-devices.mak.tmp
GEN tilegx-linux-user/config-devices.mak
GEN x86_64-linux-user/config-devices.mak
GEN config-host.h
GEN xtensaeb-linux-user/config-devices.mak
GEN xtensa-linux-user/config-devices.mak
GIT ui/keycodemapdb capstone
GEN qemu-options.def
GEN qapi-gen
GEN trace/generated-tcg-tracers.h
GEN trace/generated-helpers-wrappers.h
GEN trace/generated-helpers.h
GEN trace/generated-helpers.c
GEN module_block.h
GEN tests/test-qapi-gen
GEN trace-root.h
GEN accel/kvm/trace.h
GEN accel/tcg/trace.h
GEN audio/trace.h
GEN block/trace.h
GEN chardev/trace.h
GEN crypto/trace.h
GEN hw/9pfs/trace.h
GEN hw/acpi/trace.h
GEN hw/alpha/trace.h
GEN hw/arm/trace.h
GEN hw/audio/trace.h
GEN hw/block/trace.h
GEN hw/block/dataplane/trace.h
Submodule 'capstone' (git://git.qemu.org/capstone.git) registered for path 'capstone'
Submodule 'ui/keycodemapdb' (git://git.qemu.org/keycodemapdb.git) registered for path 'ui/keycodemapdb'
GEN hw/char/trace.h
GEN hw/display/trace.h
Cloning into '/var/tmp/patchew-tester-tmp-c7rrxxwi/src/capstone'...
GEN hw/dma/trace.h
GEN hw/hppa/trace.h
GEN hw/i2c/trace.h
GEN hw/i386/trace.h
GEN hw/i386/xen/trace.h
GEN hw/ide/trace.h
GEN hw/input/trace.h
GEN hw/intc/trace.h
GEN hw/isa/trace.h
GEN hw/mem/trace.h
GEN hw/misc/trace.h
GEN hw/misc/macio/trace.h
GEN hw/net/trace.h
GEN hw/nvram/trace.h
GEN hw/pci/trace.h
GEN hw/pci-host/trace.h
GEN hw/ppc/trace.h
GEN hw/rdma/trace.h
GEN hw/rdma/vmw/trace.h
GEN hw/s390x/trace.h
GEN hw/scsi/trace.h
GEN hw/sd/trace.h
GEN hw/sparc/trace.h
GEN hw/sparc64/trace.h
GEN hw/timer/trace.h
GEN hw/tpm/trace.h
GEN hw/usb/trace.h
GEN hw/vfio/trace.h
GEN hw/virtio/trace.h
GEN hw/xen/trace.h
GEN io/trace.h
GEN linux-user/trace.h
GEN migration/trace.h
GEN nbd/trace.h
GEN net/trace.h
GEN qapi/trace.h
GEN qom/trace.h
GEN scsi/trace.h
GEN target/arm/trace.h
GEN target/i386/trace.h
GEN target/mips/trace.h
GEN target/ppc/trace.h
GEN target/s390x/trace.h
GEN target/sparc/trace.h
GEN ui/trace.h
GEN util/trace.h
GEN trace-root.c
GEN accel/kvm/trace.c
GEN accel/tcg/trace.c
GEN audio/trace.c
GEN block/trace.c
GEN chardev/trace.c
GEN crypto/trace.c
GEN hw/9pfs/trace.c
GEN hw/acpi/trace.c
GEN hw/alpha/trace.c
GEN hw/arm/trace.c
GEN hw/audio/trace.c
GEN hw/block/trace.c
GEN hw/block/dataplane/trace.c
GEN hw/char/trace.c
GEN hw/display/trace.c
GEN hw/dma/trace.c
GEN hw/hppa/trace.c
GEN hw/i2c/trace.c
GEN hw/i386/trace.c
GEN hw/i386/xen/trace.c
GEN hw/ide/trace.c
GEN hw/input/trace.c
GEN hw/intc/trace.c
GEN hw/isa/trace.c
GEN hw/mem/trace.c
GEN hw/misc/trace.c
GEN hw/misc/macio/trace.c
GEN hw/net/trace.c
GEN hw/nvram/trace.c
GEN hw/pci/trace.c
GEN hw/pci-host/trace.c
GEN hw/ppc/trace.c
GEN hw/rdma/trace.c
GEN hw/rdma/vmw/trace.c
GEN hw/s390x/trace.c
GEN hw/scsi/trace.c
GEN hw/sd/trace.c
GEN hw/sparc/trace.c
GEN hw/sparc64/trace.c
GEN hw/timer/trace.c
GEN hw/tpm/trace.c
GEN hw/usb/trace.c
GEN hw/vfio/trace.c
GEN hw/virtio/trace.c
GEN hw/xen/trace.c
GEN io/trace.c
GEN linux-user/trace.c
GEN migration/trace.c
GEN nbd/trace.c
GEN net/trace.c
GEN qapi/trace.c
GEN qom/trace.c
GEN scsi/trace.c
GEN target/arm/trace.c
GEN target/i386/trace.c
GEN target/mips/trace.c
GEN target/ppc/trace.c
GEN target/s390x/trace.c
GEN target/sparc/trace.c
GEN ui/trace.c
GEN util/trace.c
GEN config-all-devices.mak
Cloning into '/var/tmp/patchew-tester-tmp-c7rrxxwi/src/ui/keycodemapdb'...
GEN ui/input-keymap-atset1-to-qcode.c
GEN ui/input-keymap-linux-to-qcode.c
GEN ui/input-keymap-qcode-to-atset1.c
CC cs.o
GEN ui/input-keymap-qcode-to-atset2.c
CC utils.o
GEN ui/input-keymap-qcode-to-atset3.c
GEN ui/input-keymap-qcode-to-linux.c
GEN ui/input-keymap-qcode-to-qnum.c
GEN ui/input-keymap-qcode-to-sun.c
GEN ui/input-keymap-qnum-to-qcode.c
GEN ui/input-keymap-usb-to-qcode.c
GEN ui/input-keymap-win32-to-qcode.c
CC SStream.o
GEN ui/input-keymap-x11-to-qcode.c
GEN ui/input-keymap-xorgevdev-to-qcode.c
GEN ui/input-keymap-xorgkbd-to-qcode.c
GEN ui/input-keymap-xorgxquartz-to-qcode.c
GEN ui/input-keymap-xorgxwin-to-qcode.c
GEN ui/input-keymap-osx-to-qcode.c
CC MCInstrDesc.o
CC MCRegisterInfo.o
CC arch/ARM/ARMDisassembler.o
CC arch/ARM/ARMInstPrinter.o
CC arch/ARM/ARMModule.o
CC arch/ARM/ARMMapping.o
CC arch/AArch64/AArch64BaseInfo.o
CC arch/AArch64/AArch64Disassembler.o
CC arch/AArch64/AArch64InstPrinter.o
CC arch/AArch64/AArch64Mapping.o
CC arch/AArch64/AArch64Module.o
CC arch/Mips/MipsDisassembler.o
CC arch/Mips/MipsInstPrinter.o
CC arch/Mips/MipsMapping.o
CC arch/Mips/MipsModule.o
CC arch/PowerPC/PPCDisassembler.o
CC arch/PowerPC/PPCInstPrinter.o
CC arch/PowerPC/PPCMapping.o
CC arch/PowerPC/PPCModule.o
CC arch/Sparc/SparcDisassembler.o
CC arch/Sparc/SparcInstPrinter.o
CC arch/Sparc/SparcMapping.o
CC arch/Sparc/SparcModule.o
CC arch/SystemZ/SystemZDisassembler.o
CC arch/SystemZ/SystemZInstPrinter.o
CC arch/SystemZ/SystemZMapping.o
CC arch/SystemZ/SystemZModule.o
CC arch/SystemZ/SystemZMCTargetDesc.o
CC arch/X86/X86DisassemblerDecoder.o
CC arch/X86/X86Disassembler.o
CC arch/X86/X86IntelInstPrinter.o
CC arch/X86/X86ATTInstPrinter.o
CC arch/X86/X86Mapping.o
CC arch/X86/X86Module.o
CC arch/XCore/XCoreDisassembler.o
CC arch/XCore/XCoreInstPrinter.o
CC arch/XCore/XCoreMapping.o
CC arch/XCore/XCoreModule.o
CC MCInst.o
AR libcapstone.a
ar: creating /var/tmp/patchew-tester-tmp-c7rrxxwi/src/build/capstone/libcapstone.a
CC tests/qemu-iotests/socket_scm_helper.o
GEN docs/version.texi
GEN qemu-options.texi
GEN qemu-monitor.texi
GEN qemu-img-cmds.texi
GEN qemu-monitor-info.texi
GEN qemu-img.1
GEN qemu-nbd.8
GEN qemu-ga.8
GEN qga/qapi-generated/qapi-gen
GEN docs/qemu-block-drivers.7
GEN fsdev/virtfs-proxy-helper.1
CC qapi/qapi-builtin-types.o
CC qapi/qapi-types.o
CC qapi/qapi-types-block-core.o
CC qapi/qapi-types-block.o
CC qapi/qapi-types-char.o
CC qapi/qapi-types-common.o
CC qapi/qapi-types-crypto.o
CC qapi/qapi-types-introspect.o
CC qapi/qapi-types-job.o
CC qapi/qapi-types-migration.o
CC qapi/qapi-types-misc.o
CC qapi/qapi-types-net.o
CC qapi/qapi-types-rocker.o
CC qapi/qapi-types-run-state.o
CC qapi/qapi-types-sockets.o
CC qapi/qapi-types-tpm.o
CC qapi/qapi-types-trace.o
CC qapi/qapi-types-transaction.o
CC qapi/qapi-types-ui.o
CC qapi/qapi-builtin-visit.o
CC qapi/qapi-visit.o
CC qapi/qapi-visit-block-core.o
CC qapi/qapi-visit-block.o
CC qapi/qapi-visit-char.o
CC qapi/qapi-visit-common.o
CC qapi/qapi-visit-crypto.o
CC qapi/qapi-visit-introspect.o
CC qapi/qapi-visit-job.o
CC qapi/qapi-visit-migration.o
CC qapi/qapi-visit-misc.o
CC qapi/qapi-visit-net.o
CC qapi/qapi-visit-rocker.o
CC qapi/qapi-visit-run-state.o
CC qapi/qapi-visit-sockets.o
CC qapi/qapi-visit-tpm.o
CC qapi/qapi-visit-trace.o
CC qapi/qapi-visit-transaction.o
CC qapi/qapi-visit-ui.o
CC qapi/qapi-events.o
CC qapi/qapi-events-block-core.o
CC qapi/qapi-events-block.o
CC qapi/qapi-events-char.o
CC qapi/qapi-events-common.o
CC qapi/qapi-events-crypto.o
CC qapi/qapi-events-introspect.o
CC qapi/qapi-events-job.o
CC qapi/qapi-events-migration.o
CC qapi/qapi-events-misc.o
CC qapi/qapi-events-net.o
CC qapi/qapi-events-rocker.o
CC qapi/qapi-events-run-state.o
CC qapi/qapi-events-sockets.o
CC qapi/qapi-events-tpm.o
CC qapi/qapi-events-trace.o
CC qapi/qapi-events-transaction.o
CC qapi/qapi-events-ui.o
CC qapi/qapi-introspect.o
CC qapi/qapi-visit-core.o
CC qapi/qapi-dealloc-visitor.o
CC qapi/qobject-input-visitor.o
CC qapi/qobject-output-visitor.o
CC qapi/qmp-registry.o
CC qapi/qmp-dispatch.o
CC qapi/string-input-visitor.o
CC qapi/string-output-visitor.o
CC qapi/opts-visitor.o
CC qapi/qapi-clone-visitor.o
CC qapi/qmp-event.o
CC qapi/qapi-util.o
CC qobject/qnull.o
CC qobject/qnum.o
CC qobject/qstring.o
CC qobject/qdict.o
CC qobject/qlist.o
CC qobject/qbool.o
CC qobject/qlit.o
CC qobject/qjson.o
CC qobject/qobject.o
CC qobject/json-lexer.o
CC qobject/json-streamer.o
CC qobject/json-parser.o
CC qobject/block-qdict.o
CC trace/control.o
CC trace/qmp.o
CC util/osdep.o
CC util/cutils.o
CC util/unicode.o
CC util/qemu-timer-common.o
CC util/bufferiszero.o
CC util/lockcnt.o
CC util/aiocb.o
CC util/async.o
CC util/aio-wait.o
CC util/thread-pool.o
CC util/qemu-timer.o
CC util/main-loop.o
CC util/iohandler.o
CC util/aio-posix.o
CC util/compatfd.o
CC util/event_notifier-posix.o
CC util/mmap-alloc.o
CC util/oslib-posix.o
CC util/qemu-openpty.o
CC util/qemu-thread-posix.o
CC util/memfd.o
CC util/envlist.o
CC util/path.o
CC util/module.o
CC util/host-utils.o
CC util/bitmap.o
CC util/bitops.o
CC util/hbitmap.o
CC util/fifo8.o
CC util/acl.o
CC util/cacheinfo.o
CC util/error.o
CC util/qemu-error.o
CC util/id.o
CC util/iov.o
CC util/qemu-config.o
CC util/qemu-sockets.o
CC util/uri.o
CC util/notify.o
CC util/qemu-option.o
CC util/qemu-progress.o
CC util/keyval.o
CC util/hexdump.o
CC util/crc32c.o
CC util/uuid.o
CC util/throttle.o
CC util/getauxval.o
CC util/readline.o
CC util/rcu.o
CC util/qemu-coroutine.o
CC util/qemu-coroutine-lock.o
CC util/qemu-coroutine-io.o
CC util/qemu-coroutine-sleep.o
CC util/coroutine-ucontext.o
CC util/buffer.o
CC util/timed-average.o
CC util/base64.o
CC util/log.o
CC util/pagesize.o
CC util/qdist.o
CC util/qht.o
CC util/range.o
CC util/stats64.o
CC util/systemd.o
CC util/iova-tree.o
CC util/vfio-helpers.o
CC trace-root.o
CC accel/kvm/trace.o
CC accel/tcg/trace.o
CC audio/trace.o
CC block/trace.o
CC crypto/trace.o
CC hw/9pfs/trace.o
CC chardev/trace.o
CC hw/acpi/trace.o
CC hw/alpha/trace.o
CC hw/audio/trace.o
CC hw/arm/trace.o
CC hw/block/trace.o
CC hw/block/dataplane/trace.o
CC hw/char/trace.o
CC hw/display/trace.o
CC hw/dma/trace.o
CC hw/hppa/trace.o
CC hw/i2c/trace.o
CC hw/i386/trace.o
CC hw/i386/xen/trace.o
CC hw/ide/trace.o
CC hw/input/trace.o
CC hw/intc/trace.o
CC hw/isa/trace.o
CC hw/mem/trace.o
CC hw/misc/trace.o
CC hw/misc/macio/trace.o
CC hw/net/trace.o
CC hw/nvram/trace.o
CC hw/pci/trace.o
CC hw/pci-host/trace.o
CC hw/ppc/trace.o
CC hw/rdma/trace.o
CC hw/rdma/vmw/trace.o
CC hw/s390x/trace.o
CC hw/scsi/trace.o
CC hw/sd/trace.o
CC hw/sparc/trace.o
CC hw/sparc64/trace.o
CC hw/timer/trace.o
CC hw/tpm/trace.o
CC hw/usb/trace.o
CC hw/vfio/trace.o
CC hw/virtio/trace.o
CC hw/xen/trace.o
CC io/trace.o
CC linux-user/trace.o
CC migration/trace.o
CC nbd/trace.o
CC net/trace.o
CC qapi/trace.o
CC qom/trace.o
CC scsi/trace.o
CC target/arm/trace.o
CC target/i386/trace.o
CC target/mips/trace.o
CC target/ppc/trace.o
CC target/s390x/trace.o
CC target/sparc/trace.o
CC ui/trace.o
CC util/trace.o
CC crypto/pbkdf-stub.o
CC stubs/arch-query-cpu-def.o
CC stubs/arch-query-cpu-model-expansion.o
CC stubs/arch-query-cpu-model-comparison.o
CC stubs/arch-query-cpu-model-baseline.o
CC stubs/bdrv-next-monitor-owned.o
CC stubs/blk-commit-all.o
CC stubs/blockdev-close-all-bdrv-states.o
CC stubs/clock-warp.o
CC stubs/cpu-get-clock.o
CC stubs/cpu-get-icount.o
CC stubs/dump.o
CC stubs/error-printf.o
CC stubs/fdset.o
CC stubs/gdbstub.o
CC stubs/get-vm-name.o
CC stubs/iothread.o
CC stubs/iothread-lock.o
CC stubs/is-daemonized.o
CC stubs/linux-aio.o
CC stubs/machine-init-done.o
CC stubs/migr-blocker.o
CC stubs/change-state-handler.o
CC stubs/monitor.o
CC stubs/notify-event.o
CC stubs/qtest.o
CC stubs/runstate-check.o
CC stubs/replay.o
CC stubs/set-fd-handler.o
CC stubs/slirp.o
CC stubs/sysbus.o
CC stubs/tpm.o
CC stubs/trace-control.o
CC stubs/uuid.o
CC stubs/vm-stop.o
CC stubs/vmstate.o
CC stubs/qmp_memory_device.o
CC stubs/target-monitor-defs.o
CC stubs/target-get-monitor-def.o
CC stubs/pc_madt_cpu_entry.o
CC stubs/vmgenid.o
CC stubs/xen-common.o
CC stubs/xen-hvm.o
CC stubs/pci-host-piix.o
CC stubs/ram-block.o
CC qemu-keymap.o
CC ui/input-keymap.o
CC contrib/ivshmem-client/ivshmem-client.o
CC contrib/ivshmem-client/main.o
CC contrib/ivshmem-server/ivshmem-server.o
CC contrib/ivshmem-server/main.o
CC qemu-nbd.o
CC block.o
CC blockjob.o
CC job.o
CC qemu-io-cmds.o
CC replication.o
CC block/raw-format.o
CC block/qcow.o
CC block/vdi.o
CC block/vmdk.o
CC block/cloop.o
CC block/bochs.o
CC block/vpc.o
CC block/vvfat.o
CC block/dmg.o
CC block/qcow2.o
CC block/qcow2-refcount.o
CC block/qcow2-cluster.o
CC block/qcow2-snapshot.o
CC block/qcow2-cache.o
CC block/qcow2-bitmap.o
CC block/qed.o
CC block/qed-l2-cache.o
CC block/qed-table.o
CC block/qed-cluster.o
CC block/qed-check.o
CC block/vhdx.o
CC block/vhdx-endian.o
CC block/vhdx-log.o
CC block/quorum.o
CC block/parallels.o
CC block/blkdebug.o
CC block/blkverify.o
CC block/blkreplay.o
CC block/block-backend.o
CC block/snapshot.o
CC block/qapi.o
CC block/file-posix.o
CC block/linux-aio.o
CC block/null.o
CC block/mirror.o
CC block/commit.o
CC block/io.o
CC block/create.o
CC block/throttle-groups.o
CC block/nvme.o
CC block/nbd.o
CC block/nbd-client.o
CC block/sheepdog.o
CC block/iscsi-opts.o
CC block/accounting.o
CC block/dirty-bitmap.o
CC block/write-threshold.o
CC block/backup.o
CC block/replication.o
CC block/throttle.o
CC block/copy-on-read.o
CC block/crypto.o
CC nbd/server.o
CC nbd/client.o
CC nbd/common.o
CC scsi/utils.o
CC scsi/pr-manager.o
CC scsi/pr-manager-helper.o
CC block/iscsi.o
CC block/nfs.o
/var/tmp/patchew-tester-tmp-c7rrxxwi/src/nbd/server.c: In function ‘nbd_trip’:
/var/tmp/patchew-tester-tmp-c7rrxxwi/src/nbd/server.c:1979:19: error: ‘end’ may be used uninitialized in this function [-Werror=maybe-uninitialized]
*length = end - offset;
~~~~^~~~~~~~
/var/tmp/patchew-tester-tmp-c7rrxxwi/src/nbd/server.c:1940:30: note: ‘end’ was declared here
uint64_t begin = offset, end;
^~~
cc1: all warnings being treated as errors
make: *** [/var/tmp/patchew-tester-tmp-c7rrxxwi/src/rules.mak:69: nbd/server.o] Error 1
make: *** Waiting for unfinished jobs....
=== OUTPUT END ===
Test command exited with code: 2
---
Email generated automatically by Patchew [http://patchew.org/].
Please send your feedback to patchew-devel@redhat.com
^ permalink raw reply [flat|nested] 15+ messages in thread
* Re: [Qemu-devel] [PULL 0/7] bitmap export over NBD
2018-06-21 3:19 [Qemu-devel] [PULL 0/7] bitmap export over NBD Eric Blake
` (8 preceding siblings ...)
2018-06-21 6:09 ` no-reply
@ 2018-06-21 9:03 ` Peter Maydell
2018-06-21 11:52 ` Eric Blake
9 siblings, 1 reply; 15+ messages in thread
From: Peter Maydell @ 2018-06-21 9:03 UTC (permalink / raw)
To: Eric Blake; +Cc: QEMU Developers
On 21 June 2018 at 04:19, Eric Blake <eblake@redhat.com> wrote:
> The following changes since commit 46012db666990ff2eed1d3dc199ab8006439a93b:
>
> Merge remote-tracking branch 'remotes/cohuck/tags/s390x-20180619' into staging (2018-06-20 09:51:30 +0100)
>
> are available in the Git repository at:
>
> git://repo.or.cz/qemu/ericb.git tags/pull-nbd-2018-06-20
>
> for you to fetch changes up to 5bde4bbbd1e217c323551d2785a0efff6340d840:
>
> docs/interop: add nbd.txt (2018-06-20 21:20:05 -0500)
>
> ----------------------------------------------------------------
> nbd patches for 2018-06-20
>
> Add experimental x-nbd-server-add-bitmap to expose a disabled
> bitmap over NBD, in preparation for a pull model incremental
> backup scheme.
>
> - Eric Blake: tests: Simplify .gitignore
> - Vladimir Sementsov-Ogievskiy: 0/6 NBD export bitmaps
>
The patchew errors for this pullreq look like they're real --
do you want to fix them up and resend?
thanks
-- PMM
^ permalink raw reply [flat|nested] 15+ messages in thread
* Re: [Qemu-devel] [PULL 5/7] nbd/server: implement dirty bitmap export
2018-06-21 3:19 ` [Qemu-devel] [PULL 5/7] nbd/server: implement dirty bitmap export Eric Blake
@ 2018-06-21 10:17 ` Vladimir Sementsov-Ogievskiy
2018-06-21 11:47 ` Eric Blake
0 siblings, 1 reply; 15+ messages in thread
From: Vladimir Sementsov-Ogievskiy @ 2018-06-21 10:17 UTC (permalink / raw)
To: Eric Blake, qemu-devel
Cc: Paolo Bonzini, Kevin Wolf, Max Reitz,
open list:Network Block Dev...
21.06.2018 06:19, Eric Blake wrote:
> From: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
>
> Handle a new NBD meta namespace: "qemu", and corresponding queries:
> "qemu:dirty-bitmap:<export bitmap name>".
>
> With the new metadata context negotiated, BLOCK_STATUS query will reply
> with dirty-bitmap data, converted to extents. The new public function
> nbd_export_bitmap selects which bitmap to export. For now, only one bitmap
> may be exported.
>
> Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
> Message-Id: <20180609151758.17343-5-vsementsov@virtuozzo.com>
> Reviewed-by: Eric Blake <eblake@redhat.com>
> [eblake: wording tweaks, minor cleanups, additional tracing]
> Signed-off-by: Eric Blake <eblake@redhat.com>
> ---
> include/block/nbd.h | 8 +-
> nbd/server.c | 277 +++++++++++++++++++++++++++++++++++++++++++++++-----
> nbd/trace-events | 1 +
> 3 files changed, 261 insertions(+), 25 deletions(-)
>
> diff --git a/include/block/nbd.h b/include/block/nbd.h
> index fcdcd545023..8bb9606c39b 100644
> --- a/include/block/nbd.h
> +++ b/include/block/nbd.h
> @@ -229,11 +229,13 @@ enum {
> #define NBD_REPLY_TYPE_ERROR NBD_REPLY_ERR(1)
> #define NBD_REPLY_TYPE_ERROR_OFFSET NBD_REPLY_ERR(2)
>
> -/* Flags for extents (NBDExtent.flags) of NBD_REPLY_TYPE_BLOCK_STATUS,
> - * for base:allocation meta context */
> +/* Extent flags for base:allocation in NBD_REPLY_TYPE_BLOCK_STATUS */
> #define NBD_STATE_HOLE (1 << 0)
> #define NBD_STATE_ZERO (1 << 1)
>
> +/* Extent flags for qemu:dirty-bitmap in NBD_REPLY_TYPE_BLOCK_STATUS */
> +#define NBD_STATE_DIRTY (1 << 0)
> +
> static inline bool nbd_reply_type_is_error(int type)
> {
> return type & (1 << 15);
> @@ -315,6 +317,8 @@ void nbd_client_put(NBDClient *client);
> void nbd_server_start(SocketAddress *addr, const char *tls_creds,
> Error **errp);
>
> +void nbd_export_bitmap(NBDExport *exp, const char *bitmap,
> + const char *bitmap_export_name, Error **errp);
>
> /* nbd_read
> * Reads @size bytes from @ioc. Returns 0 on success.
> diff --git a/nbd/server.c b/nbd/server.c
> index cea5192addb..f7f1fda4b3f 100644
> --- a/nbd/server.c
> +++ b/nbd/server.c
> @@ -23,6 +23,13 @@
> #include "nbd-internal.h"
>
> #define NBD_META_ID_BASE_ALLOCATION 0
> +#define NBD_META_ID_DIRTY_BITMAP 1
> +
> +/* NBD_MAX_BITMAP_EXTENTS: 1 mb of extents data. An empirical
> + * constant. If an increase is needed, note that the NBD protocol
> + * recommends no larger than 32 mb, so that the client won't consider
> + * the reply as a denial of service attack. */
> +#define NBD_MAX_BITMAP_EXTENTS (0x100000 / 8)
>
> static int system_errno_to_nbd_errno(int err)
> {
> @@ -80,6 +87,9 @@ struct NBDExport {
>
> BlockBackend *eject_notifier_blk;
> Notifier eject_notifier;
> +
> + BdrvDirtyBitmap *export_bitmap;
> + char *export_bitmap_context;
> };
>
> static QTAILQ_HEAD(, NBDExport) exports = QTAILQ_HEAD_INITIALIZER(exports);
> @@ -92,6 +102,7 @@ typedef struct NBDExportMetaContexts {
> bool valid; /* means that negotiation of the option finished without
> errors */
> bool base_allocation; /* export base:allocation context (block status) */
> + bool bitmap; /* export qemu:dirty-bitmap:<export bitmap name> */
> } NBDExportMetaContexts;
>
> struct NBDClient {
> @@ -814,6 +825,56 @@ static int nbd_meta_base_query(NBDClient *client, NBDExportMetaContexts *meta,
> &meta->base_allocation, errp);
> }
>
> +/* nbd_meta_bitmap_query
> + *
> + * Handle query to 'qemu:' namespace.
> + * @len is the amount of text remaining to be read from the current name, after
> + * the 'qemu:' portion has been stripped.
> + *
> + * Return -errno on I/O error, 0 if option was completely handled by
> + * sending a reply about inconsistent lengths, or 1 on success. */
> +static int nbd_meta_qemu_query(NBDClient *client, NBDExportMetaContexts *meta,
> + uint32_t len, Error **errp)
> +{
> + bool dirty_bitmap = false;
> + size_t dirty_bitmap_len = strlen("dirty-bitmap:");
> + int ret;
> +
> + if (!meta->exp->export_bitmap) {
> + trace_nbd_negotiate_meta_query_skip("no dirty-bitmap exported");
> + return nbd_opt_skip(client, len, errp);
> + }
> +
> + if (len == 0) {
> + if (client->opt == NBD_OPT_LIST_META_CONTEXT) {
> + meta->bitmap = true;
> + }
> + trace_nbd_negotiate_meta_query_parse("empty");
> + return 1;
> + }
> +
> + if (len < dirty_bitmap_len) {
> + trace_nbd_negotiate_meta_query_skip("not dirty-bitmap:");
> + return nbd_opt_skip(client, len, errp);
> + }
> +
> + len -= dirty_bitmap_len;
> + ret = nbd_meta_pattern(client, "dirty-bitmap:", &dirty_bitmap, errp);
> + if (ret <= 0) {
> + return ret;
> + }
> + if (!dirty_bitmap) {
> + trace_nbd_negotiate_meta_query_skip("not dirty-bitmap:");
> + return nbd_opt_skip(client, len, errp);
> + }
> +
> + trace_nbd_negotiate_meta_query_parse("dirty-bitmap:");
> +
> + return nbd_meta_empty_or_pattern(
> + client, meta->exp->export_bitmap_context +
> + strlen("qemu:dirty_bitmap:"), len, &meta->bitmap, errp);
> +}
> +
> /* nbd_negotiate_meta_query
> *
> * Parse namespace name and call corresponding function to parse body of the
> @@ -829,9 +890,14 @@ static int nbd_meta_base_query(NBDClient *client, NBDExportMetaContexts *meta,
> static int nbd_negotiate_meta_query(NBDClient *client,
> NBDExportMetaContexts *meta, Error **errp)
> {
> + /*
> + * Both 'qemu' and 'base' namespaces have length = 5 including a
> + * colon. If another length namespace is later introduced, this
> + * should certainly be refactored.
> + */
> int ret;
> - char query[sizeof("base:") - 1];
> - size_t baselen = strlen("base:");
> + size_t ns_len = 5;
> + char ns[5];
> uint32_t len;
>
> ret = nbd_opt_read(client, &len, sizeof(len), errp);
> @@ -840,25 +906,27 @@ static int nbd_negotiate_meta_query(NBDClient *client,
> }
> cpu_to_be32s(&len);
>
> - /* The only supported namespace for now is 'base'. So query should start
> - * with 'base:'. Otherwise, we can ignore it and skip the remainder. */
> - if (len < baselen) {
> + if (len < ns_len) {
> trace_nbd_negotiate_meta_query_skip("length too short");
> return nbd_opt_skip(client, len, errp);
> }
>
> - len -= baselen;
> - ret = nbd_opt_read(client, query, baselen, errp);
> + len -= ns_len;
> + ret = nbd_opt_read(client, ns, ns_len, errp);
> if (ret <= 0) {
> return ret;
> }
> - if (strncmp(query, "base:", baselen) != 0) {
> - trace_nbd_negotiate_meta_query_skip("not for base: namespace");
> - return nbd_opt_skip(client, len, errp);
> +
> + if (!strncmp(ns, "base:", ns_len)) {
> + trace_nbd_negotiate_meta_query_parse("base:");
> + return nbd_meta_base_query(client, meta, len, errp);
> + } else if (!strncmp(ns, "qemu:", ns_len)) {
> + trace_nbd_negotiate_meta_query_parse("qemu:");
> + return nbd_meta_qemu_query(client, meta, len, errp);
> }
>
> - trace_nbd_negotiate_meta_query_parse("base:");
> - return nbd_meta_base_query(client, meta, len, errp);
> + trace_nbd_negotiate_meta_query_skip("unknown namespace");
> + return nbd_opt_skip(client, len, errp);
> }
>
> /* nbd_negotiate_meta_queries
> @@ -928,6 +996,16 @@ static int nbd_negotiate_meta_queries(NBDClient *client,
> }
> }
>
> + if (meta->bitmap) {
> + ret = nbd_negotiate_send_meta_context(client,
> + meta->exp->export_bitmap_context,
> + NBD_META_ID_DIRTY_BITMAP,
> + errp);
> + if (ret < 0) {
> + return ret;
> + }
> + }
> +
> ret = nbd_negotiate_send_rep(client, NBD_REP_ACK, errp);
> if (ret == 0) {
> meta->valid = true;
> @@ -1556,6 +1634,11 @@ void nbd_export_put(NBDExport *exp)
> exp->blk = NULL;
> }
>
> + if (exp->export_bitmap) {
> + bdrv_dirty_bitmap_set_qmp_locked(exp->export_bitmap, false);
> + g_free(exp->export_bitmap_context);
> + }
> +
> g_free(exp);
> }
> }
> @@ -1797,9 +1880,15 @@ static int blockstatus_to_extent_be(BlockDriverState *bs, uint64_t offset,
> }
>
> /* nbd_co_send_extents
> - * @extents should be in big-endian */
> + *
> + * @length is only for tracing purposes (and may be smaller or larger
> + * than the client's original request). @last controls whether
> + * NBD_REPLY_FLAG_DONE is sent. @extents should already be in
> + * big-endian format.
> + */
> static int nbd_co_send_extents(NBDClient *client, uint64_t handle,
> - NBDExtent *extents, unsigned nb_extents,
> + NBDExtent *extents, unsigned int nb_extents,
> + uint64_t length, bool last,
> uint32_t context_id, Error **errp)
> {
> NBDStructuredMeta chunk;
> @@ -1809,7 +1898,9 @@ static int nbd_co_send_extents(NBDClient *client, uint64_t handle,
> {.iov_base = extents, .iov_len = nb_extents * sizeof(extents[0])}
> };
>
> - set_be_chunk(&chunk.h, NBD_REPLY_FLAG_DONE, NBD_REPLY_TYPE_BLOCK_STATUS,
> + trace_nbd_co_send_extents(handle, nb_extents, context_id, length, last);
> + set_be_chunk(&chunk.h, last ? NBD_REPLY_FLAG_DONE : 0,
> + NBD_REPLY_TYPE_BLOCK_STATUS,
> handle, sizeof(chunk) - sizeof(chunk.h) + iov[1].iov_len);
> stl_be_p(&chunk.context_id, context_id);
>
> @@ -1819,8 +1910,8 @@ static int nbd_co_send_extents(NBDClient *client, uint64_t handle,
> /* Get block status from the exported device and send it to the client */
> static int nbd_co_send_block_status(NBDClient *client, uint64_t handle,
> BlockDriverState *bs, uint64_t offset,
> - uint64_t length, uint32_t context_id,
> - Error **errp)
> + uint64_t length, bool last,
> + uint32_t context_id, Error **errp)
> {
> int ret;
> NBDExtent extent;
> @@ -1831,7 +1922,83 @@ static int nbd_co_send_block_status(NBDClient *client, uint64_t handle,
> client, handle, -ret, "can't get block status", errp);
> }
>
> - return nbd_co_send_extents(client, handle, &extent, 1, context_id, errp);
> + return nbd_co_send_extents(client, handle, &extent, 1, length, last,
> + context_id, errp);
> +}
> +
> +/*
> + * Populate @extents from a dirty bitmap. Unless @dont_fragment, the
> + * final extent may exceed the original @length. Store in @length the
> + * byte length encoded (which may be smaller or larger than the
> + * original), and return the number of extents used.
> + */
> +static unsigned int bitmap_to_extents(BdrvDirtyBitmap *bitmap, uint64_t offset,
> + uint64_t *length, NBDExtent *extents,
> + unsigned int nb_extents,
> + bool dont_fragment)
> +{
> + uint64_t begin = offset, end;
> + uint64_t overall_end = offset + *length;
> + unsigned int i = 0;
> + BdrvDirtyBitmapIter *it;
> + bool dirty;
> +
> + bdrv_dirty_bitmap_lock(bitmap);
> +
> + it = bdrv_dirty_iter_new(bitmap);
> + dirty = bdrv_get_dirty_locked(NULL, bitmap, offset);
> +
> + while (begin < overall_end && i < nb_extents) {
> + if (dirty) {
> + end = bdrv_dirty_bitmap_next_zero(bitmap, begin);
> + } else {
> + bdrv_set_dirty_iter(it, begin);
> + end = bdrv_dirty_iter_next(it);
> + }
after tjos begin may be zero, and end near to the bitmap end,
so end != -1 and end-begin > 4G (and dont_fragment may be false)
> + if (end == -1) {
> + /* Cap to an aligned value < 4G beyond begin. */
> + end = MIN(bdrv_dirty_bitmap_size(bitmap),
> + begin + 0x100000000ULL -
> + bdrv_dirty_bitmap_granularity(bitmap));
> + }
> + if (dont_fragment && end > overall_end) {
> + end = overall_end;
> + }
> +
> + extents[i].length = cpu_to_be32(end - begin);
> + extents[i].flags = cpu_to_be32(dirty ? NBD_STATE_DIRTY : 0);
> + i++;
> + begin = end;
> + dirty = !dirty;
> + }
> +
> + bdrv_dirty_iter_free(it);
> +
> + bdrv_dirty_bitmap_unlock(bitmap);
> +
> + *length = end - offset;
> + return i;
> +}
> +
> +static int nbd_co_send_bitmap(NBDClient *client, uint64_t handle,
> + BdrvDirtyBitmap *bitmap, uint64_t offset,
> + uint32_t length, bool dont_fragment, bool last,
> + uint32_t context_id, Error **errp)
> +{
> + int ret;
> + unsigned int nb_extents = dont_fragment ? 1 : NBD_MAX_BITMAP_EXTENTS;
> + NBDExtent *extents = g_new(NBDExtent, nb_extents);
> + uint64_t final_length = length;
> +
> + nb_extents = bitmap_to_extents(bitmap, offset, &final_length, extents,
> + nb_extents, dont_fragment);
> +
> + ret = nbd_co_send_extents(client, handle, extents, nb_extents,
> + final_length, last, context_id, errp);
> +
> + g_free(extents);
> +
> + return ret;
> }
>
> /* nbd_co_receive_request
> @@ -2047,11 +2214,34 @@ static coroutine_fn int nbd_handle_request(NBDClient *client,
> "discard failed", errp);
>
> case NBD_CMD_BLOCK_STATUS:
> - if (client->export_meta.valid && client->export_meta.base_allocation) {
> - return nbd_co_send_block_status(client, request->handle,
> - blk_bs(exp->blk), request->from,
> - request->len,
> - NBD_META_ID_BASE_ALLOCATION, errp);
> + if (client->export_meta.valid &&
> + (client->export_meta.base_allocation ||
> + client->export_meta.bitmap))
> + {
> + if (client->export_meta.base_allocation) {
> + ret = nbd_co_send_block_status(client, request->handle,
> + blk_bs(exp->blk), request->from,
> + request->len,
> + !client->export_meta.bitmap,
> + NBD_META_ID_BASE_ALLOCATION,
> + errp);
> + if (ret < 0) {
> + return ret;
> + }
> + }
> +
> + if (client->export_meta.bitmap) {
> + ret = nbd_co_send_bitmap(client, request->handle,
> + client->exp->export_bitmap,
> + request->from, request->len,
> + request->flags & NBD_CMD_FLAG_REQ_ONE,
> + true, NBD_META_ID_DIRTY_BITMAP, errp);
> + if (ret < 0) {
> + return ret;
> + }
> + }
> +
> + return ret;
> } else {
> return nbd_send_generic_reply(client, request->handle, -EINVAL,
> "CMD_BLOCK_STATUS not negotiated",
> @@ -2203,3 +2393,44 @@ void nbd_client_new(NBDExport *exp,
> co = qemu_coroutine_create(nbd_co_client_start, client);
> qemu_coroutine_enter(co);
> }
> +
> +void nbd_export_bitmap(NBDExport *exp, const char *bitmap,
> + const char *bitmap_export_name, Error **errp)
> +{
> + BdrvDirtyBitmap *bm = NULL;
> + BlockDriverState *bs = blk_bs(exp->blk);
> +
> + if (exp->export_bitmap) {
> + error_setg(errp, "Export bitmap is already set");
> + return;
> + }
> +
> + while (true) {
> + bm = bdrv_find_dirty_bitmap(bs, bitmap);
> + if (bm != NULL || bs->backing == NULL) {
> + break;
> + }
> +
> + bs = bs->backing->bs;
> + }
> +
> + if (bm == NULL) {
> + error_setg(errp, "Bitmap '%s' is not found", bitmap);
> + return;
> + }
> +
> + if (bdrv_dirty_bitmap_enabled(bm)) {
> + error_setg(errp, "Bitmap '%s' is enabled", bitmap);
> + return;
> + }
> +
> + if (bdrv_dirty_bitmap_qmp_locked(bm)) {
> + error_setg(errp, "Bitmap '%s' is locked", bitmap);
> + return;
> + }
> +
> + bdrv_dirty_bitmap_set_qmp_locked(bm, true);
> + exp->export_bitmap = bm;
> + exp->export_bitmap_context =
> + g_strdup_printf("qemu:dirty-bitmap:%s", bitmap_export_name);
> +}
> diff --git a/nbd/trace-events b/nbd/trace-events
> index dee081e7758..5e1d4afe8e6 100644
> --- a/nbd/trace-events
> +++ b/nbd/trace-events
> @@ -64,6 +64,7 @@ nbd_co_send_simple_reply(uint64_t handle, uint32_t error, const char *errname, i
> nbd_co_send_structured_done(uint64_t handle) "Send structured reply done: handle = %" PRIu64
> nbd_co_send_structured_read(uint64_t handle, uint64_t offset, void *data, size_t size) "Send structured read data reply: handle = %" PRIu64 ", offset = %" PRIu64 ", data = %p, len = %zu"
> nbd_co_send_structured_read_hole(uint64_t handle, uint64_t offset, size_t size) "Send structured read hole reply: handle = %" PRIu64 ", offset = %" PRIu64 ", len = %zu"
> +nbd_co_send_extents(uint64_t handle, unsigned int extents, uint32_t id, uint64_t length, int last) "Send block status reply: handle = %" PRIu64 ", extents = %u, context = %d (extents cover %" PRIu64 " bytes, last chunk = %d)"
> nbd_co_send_structured_error(uint64_t handle, int err, const char *errname, const char *msg) "Send structured error reply: handle = %" PRIu64 ", error = %d (%s), msg = '%s'"
> nbd_co_receive_request_decode_type(uint64_t handle, uint16_t type, const char *name) "Decoding type: handle = %" PRIu64 ", type = %" PRIu16 " (%s)"
> nbd_co_receive_request_payload_received(uint64_t handle, uint32_t len) "Payload received: handle = %" PRIu64 ", len = %" PRIu32
--
Best regards,
Vladimir
^ permalink raw reply [flat|nested] 15+ messages in thread
* Re: [Qemu-devel] [PULL 0/7] bitmap export over NBD
2018-06-21 5:34 ` [Qemu-devel] [PULL 0/7] bitmap export over NBD no-reply
@ 2018-06-21 11:40 ` Eric Blake
0 siblings, 0 replies; 15+ messages in thread
From: Eric Blake @ 2018-06-21 11:40 UTC (permalink / raw)
To: qemu-devel; +Cc: famz
On 06/21/2018 12:34 AM, no-reply@patchew.org wrote:
> Hi,
>
> This series failed docker-mingw@fedora build test. Please find the testing commands and
> their output below. If you have Docker installed, you can probably reproduce it
> locally.
>
> /tmp/qemu-test/src/nbd/server.c: In function 'nbd_trip':
> /tmp/qemu-test/src/nbd/server.c:1979:19: error: 'end' may be used uninitialized in this function [-Werror=maybe-uninitialized]
> *length = end - offset;
> ~~~~^~~~~~~~
> /tmp/qemu-test/src/nbd/server.c:1940:30: note: 'end' was declared here
> uint64_t begin = offset, end;
> ^~~
This gcc is too stupid to see that end is always initialized:
>
> +/*
> + * Populate @extents from a dirty bitmap. Unless @dont_fragment, the
> + * final extent may exceed the original @length. Store in @length the
> + * byte length encoded (which may be smaller or larger than the
> + * original), and return the number of extents used.
> + */
> +static unsigned int bitmap_to_extents(BdrvDirtyBitmap *bitmap, uint64_t offset,
> + uint64_t *length, NBDExtent *extents,
> + unsigned int nb_extents,
> + bool dont_fragment)
> +{
> + uint64_t begin = offset, end;
> + uint64_t overall_end = offset + *length;
On input, *length is a non-zero 32-bit number (gcc can't see that)...
> + unsigned int i = 0;
> + BdrvDirtyBitmapIter *it;
> + bool dirty;
> +
> + bdrv_dirty_bitmap_lock(bitmap);
> +
> + it = bdrv_dirty_iter_new(bitmap);
> + dirty = bdrv_get_dirty_locked(NULL, bitmap, offset);
> +
> + while (begin < overall_end && i < nb_extents) {
...so this loop always iterates at least once...
> + if (dirty) {
> + end = bdrv_dirty_bitmap_next_zero(bitmap, begin);
> + } else {
> + bdrv_set_dirty_iter(it, begin);
> + end = bdrv_dirty_iter_next(it);
> + }
...and end is always initialized...
> + if (end == -1) {
> + /* Cap to an aligned value < 4G beyond begin. */
> + end = MIN(bdrv_dirty_bitmap_size(bitmap),
> + begin + 0x100000000ULL -
> + bdrv_dirty_bitmap_granularity(bitmap));
> + }
> + if (dont_fragment && end > overall_end) {
> + end = overall_end;
> + }
> +
> + extents[i].length = cpu_to_be32(end - begin);
> + extents[i].flags = cpu_to_be32(dirty ? NBD_STATE_DIRTY : 0);
> + i++;
> + begin = end;
> + dirty = !dirty;
> + }
> +
> + bdrv_dirty_iter_free(it);
> +
> + bdrv_dirty_bitmap_unlock(bitmap);
> +
> + *length = end - offset;
...but gcc didn't know that.
--
Eric Blake, Principal Software Engineer
Red Hat, Inc. +1-919-301-3266
Virtualization: qemu.org | libvirt.org
^ permalink raw reply [flat|nested] 15+ messages in thread
* Re: [Qemu-devel] [PULL 5/7] nbd/server: implement dirty bitmap export
2018-06-21 10:17 ` Vladimir Sementsov-Ogievskiy
@ 2018-06-21 11:47 ` Eric Blake
0 siblings, 0 replies; 15+ messages in thread
From: Eric Blake @ 2018-06-21 11:47 UTC (permalink / raw)
To: Vladimir Sementsov-Ogievskiy, qemu-devel
Cc: Paolo Bonzini, Kevin Wolf, Max Reitz,
open list:Network Block Dev...
On 06/21/2018 05:17 AM, Vladimir Sementsov-Ogievskiy wrote:
> 21.06.2018 06:19, Eric Blake wrote:
>> From: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
>>
>> Handle a new NBD meta namespace: "qemu", and corresponding queries:
>> "qemu:dirty-bitmap:<export bitmap name>".
>>
>> With the new metadata context negotiated, BLOCK_STATUS query will reply
>> with dirty-bitmap data, converted to extents. The new public function
>> nbd_export_bitmap selects which bitmap to export. For now, only one
>> bitmap
>> may be exported.
>>
>> +/*
>> + * Populate @extents from a dirty bitmap. Unless @dont_fragment, the
>> + * final extent may exceed the original @length. Store in @length the
>> + * byte length encoded (which may be smaller or larger than the
>> + * original), and return the number of extents used.
>> + */
>> +static unsigned int bitmap_to_extents(BdrvDirtyBitmap *bitmap,
>> uint64_t offset,
>> + uint64_t *length, NBDExtent
>> *extents,
>> + unsigned int nb_extents,
>> + bool dont_fragment)
>> +{
>> + uint64_t begin = offset, end;
>> + uint64_t overall_end = offset + *length;
>> + unsigned int i = 0;
>> + BdrvDirtyBitmapIter *it;
>> + bool dirty;
>> +
>> + bdrv_dirty_bitmap_lock(bitmap);
>> +
>> + it = bdrv_dirty_iter_new(bitmap);
>> + dirty = bdrv_get_dirty_locked(NULL, bitmap, offset);
>> +
>> + while (begin < overall_end && i < nb_extents) {
>> + if (dirty) {
>> + end = bdrv_dirty_bitmap_next_zero(bitmap, begin);
>> + } else {
>> + bdrv_set_dirty_iter(it, begin);
>> + end = bdrv_dirty_iter_next(it);
>> + }
>
> after tjos begin may be zero, and end near to the bitmap end,
> so end != -1 and end-begin > 4G (and dont_fragment may be false)
Oh, good catch. Such a situation will still need to be clamped to under
4G (it's only possible on the last extent reported to the user, since in
that case, end > overall_end given that overall_end is at most a 32-bit
request beyond the original begin), so...
>
>> + if (end == -1) {
...we just need to tweak this to 'if (end == -1 || end - begin > UINT32_MAX)
>> + /* Cap to an aligned value < 4G beyond begin. */
>> + end = MIN(bdrv_dirty_bitmap_size(bitmap),
>> + begin + 0x100000000ULL -
>> + bdrv_dirty_bitmap_granularity(bitmap));
Also, it might be more legible if I spell this as UINT32_MAX + 1 instead
of open-coding the 33-bit constant.
>> + }
>> + if (dont_fragment && end > overall_end) {
>> + end = overall_end;
>> + }
--
Eric Blake, Principal Software Engineer
Red Hat, Inc. +1-919-301-3266
Virtualization: qemu.org | libvirt.org
^ permalink raw reply [flat|nested] 15+ messages in thread
* Re: [Qemu-devel] [PULL 0/7] bitmap export over NBD
2018-06-21 9:03 ` Peter Maydell
@ 2018-06-21 11:52 ` Eric Blake
0 siblings, 0 replies; 15+ messages in thread
From: Eric Blake @ 2018-06-21 11:52 UTC (permalink / raw)
To: Peter Maydell; +Cc: QEMU Developers
On 06/21/2018 04:03 AM, Peter Maydell wrote:
> On 21 June 2018 at 04:19, Eric Blake <eblake@redhat.com> wrote:
>> The following changes since commit 46012db666990ff2eed1d3dc199ab8006439a93b:
>>
>> Merge remote-tracking branch 'remotes/cohuck/tags/s390x-20180619' into staging (2018-06-20 09:51:30 +0100)
>>
>> are available in the Git repository at:
>>
>> git://repo.or.cz/qemu/ericb.git tags/pull-nbd-2018-06-20
>>
>> for you to fetch changes up to 5bde4bbbd1e217c323551d2785a0efff6340d840:
>>
>> docs/interop: add nbd.txt (2018-06-20 21:20:05 -0500)
>>
>> ----------------------------------------------------------------
>> nbd patches for 2018-06-20
>>
>> Add experimental x-nbd-server-add-bitmap to expose a disabled
>> bitmap over NBD, in preparation for a pull model incremental
>> backup scheme.
>>
>> - Eric Blake: tests: Simplify .gitignore
>> - Vladimir Sementsov-Ogievskiy: 0/6 NBD export bitmaps
>>
>
> The patchew errors for this pullreq look like they're real --
> do you want to fix them up and resend?
False positive, but I will respin to silence it, and to fix an
independent issue that Vladimir found.
--
Eric Blake, Principal Software Engineer
Red Hat, Inc. +1-919-301-3266
Virtualization: qemu.org | libvirt.org
^ permalink raw reply [flat|nested] 15+ messages in thread
end of thread, other threads:[~2018-06-21 11:52 UTC | newest]
Thread overview: 15+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2018-06-21 3:19 [Qemu-devel] [PULL 0/7] bitmap export over NBD Eric Blake
2018-06-21 3:19 ` [Qemu-devel] [PULL 1/7] tests: Simplify .gitignore Eric Blake
2018-06-21 3:19 ` [Qemu-devel] [PULL 2/7] nbd/server: fix trace Eric Blake
2018-06-21 3:19 ` [Qemu-devel] [PULL 3/7] nbd/server: refactor NBDExportMetaContexts Eric Blake
2018-06-21 3:19 ` [Qemu-devel] [PULL 4/7] nbd/server: add nbd_meta_empty_or_pattern helper Eric Blake
2018-06-21 3:19 ` [Qemu-devel] [PULL 5/7] nbd/server: implement dirty bitmap export Eric Blake
2018-06-21 10:17 ` Vladimir Sementsov-Ogievskiy
2018-06-21 11:47 ` Eric Blake
2018-06-21 3:19 ` [Qemu-devel] [PULL 6/7] qapi: new qmp command nbd-server-add-bitmap Eric Blake
2018-06-21 3:19 ` [Qemu-devel] [PULL 7/7] docs/interop: add nbd.txt Eric Blake
2018-06-21 5:34 ` [Qemu-devel] [PULL 0/7] bitmap export over NBD no-reply
2018-06-21 11:40 ` Eric Blake
2018-06-21 6:09 ` no-reply
2018-06-21 9:03 ` Peter Maydell
2018-06-21 11:52 ` Eric Blake
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).