[Linux-cluster] [PATCH] cman-kernel - ioctl32 support
Bastian Blank
bastian at waldi.eu.org
Sun Feb 20 14:54:10 UTC 2005
On Sun, Feb 20, 2005 at 02:18:48PM +0100, Bastian Blank wrote:
> The attached patch adds ioctl32 support to cman.
The updated patch fixes SIOCCLUSTER_SET_NODENAME, which needs
conversation.
Bastian
--
Well, Jim, I'm not much of an actor either.
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=== cnxman.c
==================================================================
--- cnxman.c (revision 346)
+++ cnxman.c (revision 351)
@@ -4200,6 +4200,9 @@
atomic_set(&cnxman_running, 0);
+#ifdef CONFIG_COMPAT
+ cnxman_ioctl32_init();
+#endif
sm_init();
return 0;
@@ -4211,6 +4214,9 @@
cleanup_proc_entries();
#endif
+#ifdef CONFIG_COMPAT
+ cnxman_ioctl32_exit();
+#endif
sock_unregister(AF_CLUSTER);
kmem_cache_destroy(cluster_sk_cachep);
}
=== Makefile
==================================================================
--- Makefile (revision 346)
+++ Makefile (revision 351)
@@ -29,6 +29,10 @@
sm_barrier.o sm_control.o sm_daemon.o sm_joinleave.o\
sm_membership.o sm_message.o sm_misc.o sm_recover.o sm_services.o \
sm_user.o
+
+ifeq ($(CONFIG_COMPAT),y)
+cman-objs += cnxman-ioctl32.o
+endif
EXTRA_CFLAGS += -I$(obj)
=== cnxman-ioctl32.c
==================================================================
--- cnxman-ioctl32.c (revision 346)
+++ cnxman-ioctl32.c (revision 351)
@@ -0,0 +1,168 @@
+/******************************************************************************
+*******************************************************************************
+**
+** Copyright (C) 2005 Bastian Blank <waldi at debian.org>
+**
+** This copyrighted material is made available to anyone wishing to use,
+** modify, copy, or redistribute it subject to the terms and conditions
+** of the GNU General Public License v.2.
+**
+*******************************************************************************
+******************************************************************************/
+
+#include <linux/module.h>
+#include <linux/compat.h>
+#include <linux/ioctl32.h>
+#include <linux/syscalls.h>
+#include <net/sock.h>
+
+#include <cluster/cnxman.h>
+#include <cluster/service.h>
+
+#include "cnxman-private.h"
+
+static int do_ioctl32_pointer(unsigned int fd, unsigned int cmd, unsigned long arg, struct file *f)
+{
+ return sys_ioctl(fd, cmd, (unsigned long)compat_ptr(arg));
+}
+
+static int do_ioctl32_ulong(unsigned int fd, unsigned int cmd, unsigned long arg, struct file *f)
+{
+ return sys_ioctl(fd, cmd, arg);
+}
+
+struct ioctl32_cl_cluster_nodelist {
+ uint32_t max_members;
+ uint32_t nodes;
+};
+
+#define IOCTL32_SIOCCLUSTER_GETMEMBERS _IOR('x', 0x03, struct ioctl32_cl_cluster_nodelist)
+#define IOCTL32_SIOCCLUSTER_GETALLMEMBERS _IOR('x', 0x07, struct ioctl32_cl_cluster_nodelist)
+#define IOCTL32_SIOCCLUSTER_SERVICE_GETMEMBERS _IOR('x', 0x60, struct ioctl32_cl_cluster_nodelist)
+
+static int do_ioctl32_cl_cluster_nodelist(unsigned int fd, unsigned int cmd, unsigned long arg, struct file *f)
+{
+ struct ioctl32_cl_cluster_nodelist i32;
+ struct cl_cluster_nodelist i64, __user *p64 = NULL;
+ unsigned int ncmd, r;
+
+ if (arg)
+ {
+ if (copy_from_user(&i32, compat_ptr(arg), sizeof(struct ioctl32_cl_cluster_nodelist)))
+ return -EFAULT;
+ r = copy_from_user(&i32, compat_ptr(arg), sizeof(struct ioctl32_cl_cluster_nodelist));
+
+ i64.max_members = i32.max_members;
+ i64.nodes = compat_ptr(i32.nodes);
+
+ p64 = compat_alloc_user_space(sizeof(struct cl_cluster_nodelist));
+ if (copy_to_user(p64, &i64, sizeof(struct cl_cluster_nodelist)))
+ return -EFAULT;
+ }
+
+ switch(cmd)
+ {
+ case IOCTL32_SIOCCLUSTER_GETMEMBERS:
+ ncmd = SIOCCLUSTER_GETMEMBERS;
+ break;
+ case IOCTL32_SIOCCLUSTER_GETALLMEMBERS:
+ ncmd = SIOCCLUSTER_GETALLMEMBERS;
+ break;
+ case IOCTL32_SIOCCLUSTER_SERVICE_GETMEMBERS:
+ ncmd = SIOCCLUSTER_SERVICE_GETMEMBERS;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return sys_ioctl(fd, ncmd, (unsigned long)p64);
+}
+
+#define IOCTL32_SIOCCLUSTER_SET_NODENAME _IOW('x', 0xb1, uint32_t)
+
+static int do_ioctl32_char_p(unsigned int fd, unsigned int cmd, unsigned long arg, struct file *f)
+{
+ unsigned int ncmd;
+
+ switch(cmd)
+ {
+ case IOCTL32_SIOCCLUSTER_SET_NODENAME:
+ ncmd = SIOCCLUSTER_SET_NODENAME;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return sys_ioctl(fd, ncmd, (unsigned long)compat_ptr(arg));
+}
+
+void __init cnxman_ioctl32_init(void)
+{
+ register_ioctl32_conversion(SIOCCLUSTER_NOTIFY, do_ioctl32_ulong);
+ register_ioctl32_conversion(SIOCCLUSTER_REMOVENOTIFY, do_ioctl32_ulong);
+ register_ioctl32_conversion(SIOCCLUSTER_GET_VERSION, do_ioctl32_pointer);
+ register_ioctl32_conversion(SIOCCLUSTER_SET_VERSION, do_ioctl32_pointer);
+ register_ioctl32_conversion(IOCTL32_SIOCCLUSTER_GETMEMBERS, do_ioctl32_cl_cluster_nodelist);
+ register_ioctl32_conversion(IOCTL32_SIOCCLUSTER_GETALLMEMBERS, do_ioctl32_cl_cluster_nodelist);
+ register_ioctl32_conversion(SIOCCLUSTER_GETNODE, do_ioctl32_pointer);
+ register_ioctl32_conversion(SIOCCLUSTER_GETCLUSTER, do_ioctl32_pointer);
+ register_ioctl32_conversion(SIOCCLUSTER_ISQUORATE, do_ioctl32_ulong);
+ register_ioctl32_conversion(SIOCCLUSTER_ISACTIVE, do_ioctl32_ulong);
+ register_ioctl32_conversion(SIOCCLUSTER_SETEXPECTED_VOTES, do_ioctl32_ulong);
+ register_ioctl32_conversion(SIOCCLUSTER_SET_VOTES, do_ioctl32_ulong);
+ register_ioctl32_conversion(SIOCCLUSTER_ISLISTENING, do_ioctl32_pointer);
+ register_ioctl32_conversion(SIOCCLUSTER_KILLNODE, do_ioctl32_ulong);
+ register_ioctl32_conversion(SIOCCLUSTER_GET_JOINCOUNT, do_ioctl32_ulong);
+// register_ioctl32_conversion(SIOCCLUSTER_BARRIER
+ register_ioctl32_conversion(SIOCCLUSTER_PASS_SOCKET, do_ioctl32_pointer);
+ register_ioctl32_conversion(IOCTL32_SIOCCLUSTER_SET_NODENAME, do_ioctl32_char_p);
+ register_ioctl32_conversion(SIOCCLUSTER_SET_NODEID, do_ioctl32_ulong);
+ register_ioctl32_conversion(SIOCCLUSTER_JOIN_CLUSTER, do_ioctl32_pointer);
+ register_ioctl32_conversion(SIOCCLUSTER_LEAVE_CLUSTER, do_ioctl32_ulong);
+ register_ioctl32_conversion(SIOCCLUSTER_SERVICE_REGISTER, do_ioctl32_pointer);
+ register_ioctl32_conversion(SIOCCLUSTER_SERVICE_UNREGISTER, do_ioctl32_ulong);
+ register_ioctl32_conversion(SIOCCLUSTER_SERVICE_JOIN, do_ioctl32_ulong);
+ register_ioctl32_conversion(SIOCCLUSTER_SERVICE_LEAVE, do_ioctl32_ulong);
+ register_ioctl32_conversion(SIOCCLUSTER_SERVICE_SETSIGNAL, do_ioctl32_ulong);
+ register_ioctl32_conversion(SIOCCLUSTER_SERVICE_STARTDONE, do_ioctl32_ulong);
+ register_ioctl32_conversion(SIOCCLUSTER_SERVICE_GETEVENT, do_ioctl32_pointer);
+ register_ioctl32_conversion(IOCTL32_SIOCCLUSTER_SERVICE_GETMEMBERS, do_ioctl32_cl_cluster_nodelist);
+ register_ioctl32_conversion(SIOCCLUSTER_SERVICE_GLOBALID, do_ioctl32_pointer);
+ register_ioctl32_conversion(SIOCCLUSTER_SERVICE_SETLEVEL, do_ioctl32_ulong);
+}
+
+void __exit cnxman_ioctl32_exit(void)
+{
+ unregister_ioctl32_conversion(SIOCCLUSTER_NOTIFY);
+ unregister_ioctl32_conversion(SIOCCLUSTER_REMOVENOTIFY);
+ unregister_ioctl32_conversion(SIOCCLUSTER_GET_VERSION);
+ unregister_ioctl32_conversion(SIOCCLUSTER_SET_VERSION);
+ unregister_ioctl32_conversion(IOCTL32_SIOCCLUSTER_GETMEMBERS);
+ unregister_ioctl32_conversion(IOCTL32_SIOCCLUSTER_GETALLMEMBERS);
+ unregister_ioctl32_conversion(SIOCCLUSTER_GETNODE);
+ unregister_ioctl32_conversion(SIOCCLUSTER_GETCLUSTER);
+ unregister_ioctl32_conversion(SIOCCLUSTER_ISQUORATE);
+ unregister_ioctl32_conversion(SIOCCLUSTER_ISACTIVE);
+ unregister_ioctl32_conversion(SIOCCLUSTER_SETEXPECTED_VOTES);
+ unregister_ioctl32_conversion(SIOCCLUSTER_SET_VOTES);
+ unregister_ioctl32_conversion(SIOCCLUSTER_ISLISTENING);
+ unregister_ioctl32_conversion(SIOCCLUSTER_KILLNODE);
+ unregister_ioctl32_conversion(SIOCCLUSTER_GET_JOINCOUNT);
+// unregister_ioctl32_conversion(SIOCCLUSTER_BARRIER);
+ unregister_ioctl32_conversion(SIOCCLUSTER_PASS_SOCKET);
+ unregister_ioctl32_conversion(IOCTL32_SIOCCLUSTER_SET_NODENAME);
+ unregister_ioctl32_conversion(SIOCCLUSTER_SET_NODEID);
+ unregister_ioctl32_conversion(SIOCCLUSTER_JOIN_CLUSTER);
+ unregister_ioctl32_conversion(SIOCCLUSTER_LEAVE_CLUSTER);
+ unregister_ioctl32_conversion(SIOCCLUSTER_SERVICE_REGISTER);
+ unregister_ioctl32_conversion(SIOCCLUSTER_SERVICE_UNREGISTER);
+ unregister_ioctl32_conversion(SIOCCLUSTER_SERVICE_JOIN);
+ unregister_ioctl32_conversion(SIOCCLUSTER_SERVICE_LEAVE);
+ unregister_ioctl32_conversion(SIOCCLUSTER_SERVICE_SETSIGNAL);
+ unregister_ioctl32_conversion(SIOCCLUSTER_SERVICE_STARTDONE);
+ unregister_ioctl32_conversion(SIOCCLUSTER_SERVICE_GETEVENT);
+ unregister_ioctl32_conversion(IOCTL32_SIOCCLUSTER_SERVICE_GETMEMBERS);
+ unregister_ioctl32_conversion(SIOCCLUSTER_SERVICE_GLOBALID);
+ unregister_ioctl32_conversion(SIOCCLUSTER_SERVICE_SETLEVEL);
+}
+
=== cnxman-private.h
==================================================================
--- cnxman-private.h (revision 346)
+++ cnxman-private.h (revision 351)
@@ -433,6 +433,11 @@
#define C_MEMB(fmt, args...)
#endif
+#ifdef CONFIG_COMPAT
+extern void cnxman_ioctl32_init(void);
+extern void cnxman_ioctl32_exit(void);
+#endif
+
#endif /* __KERNEL */
#endif
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