On 02/12/2014 10:49 PM, Luiz Capitulino wrote:
On Wed, 12 Feb 2014 14:34:19 +0800
Qiao Nuohan<qiaonuo...@cn.fujitsu.com>  wrote:

'query-dump-guest-memory-capability' is used to query the available formats for
'dump-guest-memory'. The output of the command will be like:

->  { "execute": "query-dump-guest-memory-capability" }
<- { "return": { "formats":
                      ["elf", "kdump-zlib", "kdump-lzo", "kdump-snappy"] }

Signed-off-by: Qiao Nuohan<qiaonuo...@cn.fujitsu.com>

The new command looks good to me, but the patch itself is broken. It doesn't
apply and I could identify at least one breakage below...

I think it is because of the 80 character limit.If I am wrong, please correct
me. And I have attach the new patch with this mail, please check.


---
   dump.c           |   33 +++++++++++++++++++++++++++++++++
   qapi-schema.json |   23 +++++++++++++++++++++++
   qmp-commands.hx  |   20 ++++++++++++++++++++
   3 files changed, 76 insertions(+), 0 deletions(-)

diff --git a/dump.c b/dump.c
index 2ebbb23..3a8d55e 100644
--- a/dump.c
+++ b/dump.c
@@ -1788,3 +1788,36 @@ void qmp_dump_guest_memory(bool paging, const char *file,
bool has_begin,

       g_free(s);
   }
+
+DumpGuestMemoryCapability *qmp_query_dump_guest_memory_capability(Error **errp)
+{
+    DumpGuestMemoryFormatList *item;
+    DumpGuestMemoryCapability *cap =
+                                  g_malloc0(sizeof(DumpGuestMemoryCapability));
+
+    /* elf is always available */
+    item = g_malloc0(sizeof(DumpGuestMemoryFormatList));
+    cap->formats = item;
+    item->value = DUMP_GUEST_MEMORY_FORMAT_ELF;
+
+    /* kdump-zlib is always available */
+    item->next = g_malloc0(sizeof(DumpGuestMemoryFormatList));
+    item = item->next;
+    item->value = DUMP_GUEST_MEMORY_FORMAT_KDUMP_ZLIB;
+
+    /* add new item if kdump-lzo is available */
+#ifdef CONFIG_LZO
+    item->next = g_malloc0(sizeof(DumpGuestMemoryFormatList));
+    item = item->next;
+    item->value = DUMP_GUEST_MEMORY_FORMAT_KDUMP_LZO;
+#endif
+
+    /* add new item if kdump-snappy is available */
+#ifdef CONFIG_SNAPPY
+    item->next = g_malloc0(sizeof(DumpGuestMemoryFormatList));
+    item = item->next;
+    item->value = DUMP_GUEST_MEMORY_FORMAT_KDUMP_SNAPPY;
+#endif
+
+    return cap;
+}
diff --git a/qapi-schema.json b/qapi-schema.json
index 7f62007..a097e6c 100644
--- a/qapi-schema.json
+++ b/qapi-schema.json
@@ -2783,6 +2783,29 @@
               '*length': 'int', '*format': 'DumpGuestMemoryFormat' } }

   ##
+# @DumpGuestMemoryCapability:
+#
+# A list of the available formats for dump-guest-memory
+#
+# Since: 2.0
+##
+{ 'type': 'DumpGuestMemoryCapability',
+  'data': {
+      'formats': ['DumpGuestMemoryFormat'] } }
+
+##
+# @query-dump-guest-memory-capability:
+#
+# Returns the available formats for dump-guest-memory
+#
+# Returns:  A @DumpGuestMemoryCapability object listing available formats for
+#           dump-guest-memory
+#
+# Since: 2.0
+##
+{ 'command': 'query-dump-guest-memory-capability', 'returns':
'DumpGuestMemoryCapability' }

Here.

+
+##
   # @netdev_add:
   #
   # Add a network backend.
diff --git a/qmp-commands.hx b/qmp-commands.hx
index 019dde6..029cb3d 100644
--- a/qmp-commands.hx
+++ b/qmp-commands.hx
@@ -829,6 +829,26 @@ Notes:
   EQMP

       {
+        .name       = "query-dump-guest-memory-capability",
+        .args_type  = "",
+        .mhandler.cmd_new = 
qmp_marshal_input_query_dump_guest_memory_capability,
+    },
+
+SQMP
+query-dump-guest-memory-capability
+----------
+
+Show available formats for 'dump-guest-memory'
+
+Example:
+
+->  { "execute": "query-dump-guest-memory-capability" }
+<- { "return": { "formats":
+                    ["elf", "kdump-zlib", "kdump-lzo", "kdump-snappy"] }
+
+EQMP
+
+    {
           .name       = "netdev_add",
           .args_type  = "netdev:O",
           .mhandler.cmd_new = qmp_netdev_add,




--
Regards
Qiao Nuohan
>From c729625031c88b0bf32bae50c39f81585303cc52 Mon Sep 17 00:00:00 2001
From: qiaonuohan <qiaonuo...@cn.fujitsu.com>
Date: Thu, 13 Feb 2014 09:39:26 +0800
Subject: [PATCH v11 13/13] dump: add 'query-dump-guest-memory-capability' 
command

'query-dump-guest-memory-capability' is used to query the available formats for
'dump-guest-memory'. The output of the command will be like:

-> { "execute": "query-dump-guest-memory-capability" }
<- { "return": { "formats":
                    ["elf", "kdump-zlib", "kdump-lzo", "kdump-snappy"] }

Signed-off-by: Qiao Nuohan <qiaonuo...@cn.fujitsu.com>
---
 dump.c           |   33 +++++++++++++++++++++++++++++++++
 qapi-schema.json |   24 ++++++++++++++++++++++++
 qmp-commands.hx  |   20 ++++++++++++++++++++
 3 files changed, 77 insertions(+), 0 deletions(-)

diff --git a/dump.c b/dump.c
index 2ebbb23..3a8d55e 100644
--- a/dump.c
+++ b/dump.c
@@ -1788,3 +1788,36 @@ void qmp_dump_guest_memory(bool paging, const char 
*file, bool has_begin,
 
     g_free(s);
 }
+
+DumpGuestMemoryCapability *qmp_query_dump_guest_memory_capability(Error **errp)
+{
+    DumpGuestMemoryFormatList *item;
+    DumpGuestMemoryCapability *cap =
+                                  g_malloc0(sizeof(DumpGuestMemoryCapability));
+
+    /* elf is always available */
+    item = g_malloc0(sizeof(DumpGuestMemoryFormatList));
+    cap->formats = item;
+    item->value = DUMP_GUEST_MEMORY_FORMAT_ELF;
+
+    /* kdump-zlib is always available */
+    item->next = g_malloc0(sizeof(DumpGuestMemoryFormatList));
+    item = item->next;
+    item->value = DUMP_GUEST_MEMORY_FORMAT_KDUMP_ZLIB;
+
+    /* add new item if kdump-lzo is available */
+#ifdef CONFIG_LZO
+    item->next = g_malloc0(sizeof(DumpGuestMemoryFormatList));
+    item = item->next;
+    item->value = DUMP_GUEST_MEMORY_FORMAT_KDUMP_LZO;
+#endif
+
+    /* add new item if kdump-snappy is available */
+#ifdef CONFIG_SNAPPY
+    item->next = g_malloc0(sizeof(DumpGuestMemoryFormatList));
+    item = item->next;
+    item->value = DUMP_GUEST_MEMORY_FORMAT_KDUMP_SNAPPY;
+#endif
+
+    return cap;
+}
diff --git a/qapi-schema.json b/qapi-schema.json
index 905a8af..3eeb261 100644
--- a/qapi-schema.json
+++ b/qapi-schema.json
@@ -2783,6 +2783,30 @@
             '*length': 'int', '*format': 'DumpGuestMemoryFormat' } }
 
 ##
+# @DumpGuestMemoryCapability:
+#
+# A list of the available formats for dump-guest-memory
+#
+# Since: 2.0
+##
+{ 'type': 'DumpGuestMemoryCapability',
+  'data': {
+      'formats': ['DumpGuestMemoryFormat'] } }
+
+##
+# @query-dump-guest-memory-capability:
+#
+# Returns the available formats for dump-guest-memory
+#
+# Returns:  A @DumpGuestMemoryCapability object listing available formats for
+#           dump-guest-memory
+#
+# Since: 2.0
+##
+{ 'command': 'query-dump-guest-memory-capability',
+  'returns': 'DumpGuestMemoryCapability' }
+
+##
 # @netdev_add:
 #
 # Add a network backend.
diff --git a/qmp-commands.hx b/qmp-commands.hx
index 019dde6..029cb3d 100644
--- a/qmp-commands.hx
+++ b/qmp-commands.hx
@@ -829,6 +829,26 @@ Notes:
 EQMP
 
     {
+        .name       = "query-dump-guest-memory-capability",
+        .args_type  = "",
+        .mhandler.cmd_new = 
qmp_marshal_input_query_dump_guest_memory_capability,
+    },
+
+SQMP
+query-dump-guest-memory-capability
+----------
+
+Show available formats for 'dump-guest-memory'
+
+Example:
+
+-> { "execute": "query-dump-guest-memory-capability" }
+<- { "return": { "formats":
+                    ["elf", "kdump-zlib", "kdump-lzo", "kdump-snappy"] }
+
+EQMP
+
+    {
         .name       = "netdev_add",
         .args_type  = "netdev:O",
         .mhandler.cmd_new = qmp_netdev_add,
-- 
1.7.1

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