[libvirt] [PATCH RFC v3 05/15] FSPool: defining the internal API

[Olga Krishtal]

This patch introduces new filesystem pool driver.

Signed-off-by: Olga Krishtal <okrishtal at virtuozzo.com>
---
 src/driver-fs.h | 193 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 src/driver.h    |   1 +
 2 files changed, 194 insertions(+)
 create mode 100644 src/driver-fs.h

diff --git a/src/driver-fs.h b/src/driver-fs.h
new file mode 100644
index 0000000..ba35ec2
--- /dev/null
+++ b/src/driver-fs.h
@@ -0,0 +1,193 @@
+/*
+* driver-fs.h: entry points for fs drivers
+* Author: Olga Krishtal <okrishtal at virtuozzo.com>
+*
+* Copyright (C) 2016 Parallels IP Holdings GmbH
+*
+* This library is free software; you can redistribute it and/or
+* modify it under the terms of the GNU Lesser General Public
+* License as published by the Free Software Foundation; either
+* version 2.1 of the License, or (at your option) any later version.
+*
+* This library is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+* Lesser General Public License for more details.
+*
+* You should have received a copy of the GNU Lesser General Public
+* License along with this library.  If not, see
+* <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef __VIR_DRIVER_FS_H__
+# define __VIR_DRIVER_FS_H__
+
+# ifndef __VIR_DRIVER_H_INCLUDES___
+#  error "Don't include this file directly, only use driver.h"
+# endif
+
+typedef int
+(*virDrvConnectListAllFSPools)(virConnectPtr conn,
+                               virFSPoolPtr **pools,
+                               unsigned int flags);
+
+typedef virFSPoolPtr
+(*virDrvFSPoolLookupByName)(virConnectPtr conn,
+                            const char *name);
+
+typedef virFSPoolPtr
+(*virDrvFSPoolLookupByUUID)(virConnectPtr conn,
+                            const unsigned char *uuid);
+
+typedef virFSPoolPtr
+(*virDrvFSPoolLookupByItem)(virFSItemPtr item);
+
+typedef virFSPoolPtr
+(*virDrvFSPoolCreateXML)(virConnectPtr conn,
+                         const char *xmlDesc,
+                         unsigned int flags);
+
+typedef virFSPoolPtr
+(*virDrvFSPoolDefineXML)(virConnectPtr conn,
+                         const char *xmlDesc,
+                         unsigned int flags);
+
+typedef int
+(*virDrvFSPoolUndefine)(virFSPoolPtr fspool);
+
+typedef int
+(*virDrvFSPoolBuild)(virFSPoolPtr fspool,
+                     unsigned int flags);
+
+typedef int
+(*virDrvFSPoolCreate)(virFSPoolPtr fspool,
+                      unsigned int flags);
+typedef int
+(*virDrvFSPoolDestroy)(virFSPoolPtr fspool);
+typedef int
+(*virDrvFSPoolRefresh)(virFSPoolPtr fspool,
+                       unsigned int flags);
+
+typedef int
+(*virDrvFSPoolDelete)(virFSPoolPtr fspool,
+                      unsigned int flags);
+
+typedef int
+(*virDrvFSPoolGetInfo)(virFSPoolPtr fspool,
+                       virFSPoolInfoPtr info);
+
+typedef char *
+(*virDrvFSPoolGetXMLDesc)(virFSPoolPtr fspool,
+                          unsigned int flags);
+typedef int
+(*virDrvFSPoolGetAutostart)(virFSPoolPtr fspool,
+                            int *autostart);
+typedef int
+(*virDrvFSPoolSetAutostart)(virFSPoolPtr fspool,
+                            int autostart);
+
+typedef int
+(*virDrvFSPoolNumOfItems)(virFSPoolPtr fspool);
+
+typedef int
+(*virDrvFSPoolListItems)(virFSPoolPtr fspool,
+                         char **const names,
+                         int maxnames);
+
+typedef int
+(*virDrvFSPoolListAllItems)(virFSPoolPtr fspool,
+                            virFSItemPtr **items,
+                            unsigned int flags);
+
+typedef virFSItemPtr
+(*virDrvFSItemLookupByName)(virFSPoolPtr fspool,
+                            const char *name);
+
+typedef virFSItemPtr
+(*virDrvFSItemLookupByKey)(virConnectPtr fspool,
+                           const char *key);
+
+typedef virFSItemPtr
+(*virDrvFSItemLookupByPath)(virConnectPtr fspool,
+                            const char *path);
+
+typedef virFSItemPtr
+(*virDrvFSItemCreateXML)(virFSPoolPtr fspool,
+                         const char *xmldesc,
+                         unsigned int flags);
+
+typedef int
+(*virDrvFSItemDelete)(virFSItemPtr item,
+                      unsigned int flags);
+
+
+typedef int
+(*virDrvFSItemGetInfo)(virFSItemPtr item,
+                       virFSItemInfoPtr info);
+
+typedef char *
+(*virDrvFSItemGetXMLDesc)(virFSItemPtr fspool,
+                          unsigned int flags);
+
+typedef char *
+(*virDrvFSItemGetPath)(virFSItemPtr item);
+
+typedef virFSItemPtr
+(*virDrvFSItemCreateXMLFrom)(virFSPoolPtr fspool,
+                             const char *xmldesc,
+                             virFSItemPtr cloneitem,
+                             unsigned int flags);
+
+typedef struct _virFSDriver virFSDriver;
+typedef virFSDriver *virFSDriverPtr;
+
+typedef int
+(*virDrvFSPoolIsActive)(virFSPoolPtr fspool);
+
+typedef int
+(*virDrvFSPoolIsPersistent)(virFSPoolPtr fspool);
+
+
+
+/**
+ * _virFSDriver:
+ *
+ * Structure associated to a storage driver, defining the various
+ * entry points for it.
+ */
+struct _virFSDriver {
+    const char *name; /* the name of the driver */
+    virDrvConnectListAllFSPools connectListAllFSPools;
+    virDrvFSPoolLookupByName fsPoolLookupByName;
+    virDrvFSPoolLookupByUUID fsPoolLookupByUUID;
+    virDrvFSPoolLookupByItem fsPoolLookupByItem;
+    virDrvFSPoolCreateXML fsPoolCreateXML;
+    virDrvFSPoolDefineXML fsPoolDefineXML;
+    virDrvFSPoolBuild fsPoolBuild;
+    virDrvFSPoolUndefine fsPoolUndefine;
+    virDrvFSPoolCreate fsPoolCreate;
+    virDrvFSPoolDestroy fsPoolDestroy;
+    virDrvFSPoolDelete fsPoolDelete;
+    virDrvFSPoolRefresh fsPoolRefresh;
+    virDrvFSPoolGetInfo fsPoolGetInfo;
+    virDrvFSPoolGetXMLDesc fsPoolGetXMLDesc;
+    virDrvFSPoolGetAutostart fsPoolGetAutostart;
+    virDrvFSPoolSetAutostart fsPoolSetAutostart;
+    virDrvFSPoolNumOfItems fsPoolNumOfItems;
+    virDrvFSPoolListItems fsPoolListItems;
+    virDrvFSPoolListAllItems fsPoolListAllItems;
+    virDrvFSItemLookupByName fsItemLookupByName;
+    virDrvFSItemLookupByKey fsItemLookupByKey;
+    virDrvFSItemLookupByPath fsItemLookupByPath;
+    virDrvFSItemCreateXML fsItemCreateXML;
+    virDrvFSItemCreateXMLFrom fsItemCreateXMLFrom;
+    virDrvFSItemDelete fsItemDelete;
+    virDrvFSItemGetInfo fsItemGetInfo;
+    virDrvFSItemGetXMLDesc fsItemGetXMLDesc;
+    virDrvFSItemGetPath fsItemGetPath;
+    virDrvFSPoolIsActive fsPoolIsActive;
+    virDrvFSPoolIsPersistent fsPoolIsPersistent;
+};
+
+
+#endif /* __VIR_DRIVER_FS_H__ */
diff --git a/src/driver.h b/src/driver.h
index e4e382b..fb93083 100644
--- a/src/driver.h
+++ b/src/driver.h
@@ -72,6 +72,7 @@ typedef enum {
 # include "driver-state.h"
 # include "driver-stream.h"
 # include "driver-storage.h"
+# include "driver-fs.h"
 
 # undef __VIR_DRIVER_H_INCLUDES___
 
-- 
1.8.3.1