Linux-libre 4.6.2-gnu

10 files changed, 50 insertions, 169 deletions

diff --git a/drivers/staging/lustre/include/linux/libcfs/libcfs.h b/drivers/staging/lustre/include/linux/libcfs/libcfs.h
index 0d8a91ee5..40af75c42 100644
--- a/drivers/staging/lustre/include/linux/libcfs/libcfs.h
+++ b/drivers/staging/lustre/include/linux/libcfs/libcfs.h
@@ -42,6 +42,8 @@
 
 #include "curproc.h"
 
+#define LIBCFS_VERSION "0.7.0"
+
 #define LOWEST_BIT_SET(x)       ((x) & ~((x) - 1))
 
 /*
@@ -51,8 +53,6 @@
 #define LERRCHKSUM(hexnum) (((hexnum) & 0xf) ^ ((hexnum) >> 4 & 0xf) ^ \
 			   ((hexnum) >> 8 & 0xf))
 
-#define LUSTRE_SRV_LNET_PID      LUSTRE_LNET_PID
-
 #include <linux/list.h>
 
 /* need both kernel and user-land acceptor */
@@ -77,7 +77,7 @@ struct cfs_psdev_ops {
 	int (*p_close)(unsigned long, void *);
 	int (*p_read)(struct cfs_psdev_file *, char *, unsigned long);
 	int (*p_write)(struct cfs_psdev_file *, char *, unsigned long);
-	int (*p_ioctl)(struct cfs_psdev_file *, unsigned long, void *);
+	int (*p_ioctl)(struct cfs_psdev_file *, unsigned long, void __user *);
 };
 
 /*
@@ -90,7 +90,6 @@ void cfs_enter_debugger(void);
  * Defined by platform
  */
 int unshare_fs_struct(void);
-sigset_t cfs_get_blocked_sigs(void);
 sigset_t cfs_block_allsigs(void);
 sigset_t cfs_block_sigs(unsigned long sigs);
 sigset_t cfs_block_sigsinv(unsigned long sigs);
@@ -115,7 +114,6 @@ void cfs_get_random_bytes(void *buf, int size);
 #include "libcfs_prim.h"
 #include "libcfs_time.h"
 #include "libcfs_string.h"
-#include "libcfs_kernelcomm.h"
 #include "libcfs_workitem.h"
 #include "libcfs_hash.h"
 #include "libcfs_fail.h"
@@ -156,5 +154,9 @@ struct lnet_debugfs_symlink_def {
 
 void lustre_insert_debugfs(struct ctl_table *table,
 			   const struct lnet_debugfs_symlink_def *symlinks);
+int lprocfs_call_handler(void *data, int write, loff_t *ppos,
+			  void __user *buffer, size_t *lenp,
+			  int (*handler)(void *data, int write,
+			  loff_t pos, void __user *buffer, int len));
 
 #endif /* _LIBCFS_H */
diff --git a/drivers/staging/lustre/include/linux/libcfs/libcfs_cpu.h b/drivers/staging/lustre/include/linux/libcfs/libcfs_cpu.h
index 1530b0458..9e62c5971 100644
--- a/drivers/staging/lustre/include/linux/libcfs/libcfs_cpu.h
+++ b/drivers/staging/lustre/include/linux/libcfs/libcfs_cpu.h
@@ -13,11 +13,6 @@
  * General Public License version 2 for more details (a copy is included
  * in the LICENSE file that accompanied this code).
  *
- * You should have received a copy of the GNU General Public License
- * version 2 along with this program; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 021110-1307, USA
- *
  * GPL HEADER END
  */
 /*
diff --git a/drivers/staging/lustre/include/linux/libcfs/libcfs_debug.h b/drivers/staging/lustre/include/linux/libcfs/libcfs_debug.h
index a1787bb43..98430e710 100644
--- a/drivers/staging/lustre/include/linux/libcfs/libcfs_debug.h
+++ b/drivers/staging/lustre/include/linux/libcfs/libcfs_debug.h
@@ -106,7 +106,7 @@ struct ptldebug_header {
 #define S_LOV		0x00020000
 #define S_LQUOTA	0x00040000
 #define S_OSD		0x00080000
-/* unused */
+#define S_LFSCK		0x00100000
 /* unused */
 /* unused */
 #define S_LMV		0x00800000 /* b_new_cmd */
diff --git a/drivers/staging/lustre/include/linux/libcfs/libcfs_ioctl.h b/drivers/staging/lustre/include/linux/libcfs/libcfs_ioctl.h
index 485ab2670..5ca99bd6f 100644
--- a/drivers/staging/lustre/include/linux/libcfs/libcfs_ioctl.h
+++ b/drivers/staging/lustre/include/linux/libcfs/libcfs_ioctl.h
@@ -41,11 +41,16 @@
 #ifndef __LIBCFS_IOCTL_H__
 #define __LIBCFS_IOCTL_H__
 
-#define LIBCFS_IOCTL_VERSION 0x0001000a
+#define LIBCFS_IOCTL_VERSION	0x0001000a
+#define LIBCFS_IOCTL_VERSION2	0x0001000b
 
-struct libcfs_ioctl_data {
+struct libcfs_ioctl_hdr {
 	__u32 ioc_len;
 	__u32 ioc_version;
+};
+
+struct libcfs_ioctl_data {
+	struct libcfs_ioctl_hdr ioc_hdr;
 
 	__u64 ioc_nid;
 	__u64 ioc_u64[1];
@@ -61,20 +66,15 @@ struct libcfs_ioctl_data {
 	char *ioc_inlbuf2;
 
 	__u32 ioc_plen1; /* buffers in userspace */
-	char *ioc_pbuf1;
+	void __user *ioc_pbuf1;
 	__u32 ioc_plen2; /* buffers in userspace */
-	char *ioc_pbuf2;
+	void __user *ioc_pbuf2;
 
 	char ioc_bulk[0];
 };
 
 #define ioc_priority ioc_u32[0]
 
-struct libcfs_ioctl_hdr {
-	__u32 ioc_len;
-	__u32 ioc_version;
-};
-
 struct libcfs_debug_ioctl_data {
 	struct libcfs_ioctl_hdr hdr;
 	unsigned int subs;
@@ -90,7 +90,7 @@ do {						    \
 
 struct libcfs_ioctl_handler {
 	struct list_head item;
-	int (*handle_ioctl)(unsigned int cmd, struct libcfs_ioctl_data *data);
+	int (*handle_ioctl)(unsigned int cmd, struct libcfs_ioctl_hdr *hdr);
 };
 
 #define DECLARE_IOCTL_HANDLER(ident, func)		      \
@@ -102,7 +102,6 @@ struct libcfs_ioctl_handler {
 /* FIXME check conflict with lustre_lib.h */
 #define LIBCFS_IOC_DEBUG_MASK	     _IOWR('f', 250, long)
 
-/* ioctls for manipulating snapshots 30- */
 #define IOC_LIBCFS_TYPE		   'e'
 #define IOC_LIBCFS_MIN_NR		 30
 /* libcfs ioctls */
@@ -113,18 +112,16 @@ struct libcfs_ioctl_handler {
 /* lnet ioctls */
 #define IOC_LIBCFS_GET_NI		  _IOWR('e', 50, long)
 #define IOC_LIBCFS_FAIL_NID		_IOWR('e', 51, long)
-#define IOC_LIBCFS_ADD_ROUTE	       _IOWR('e', 52, long)
-#define IOC_LIBCFS_DEL_ROUTE	       _IOWR('e', 53, long)
-#define IOC_LIBCFS_GET_ROUTE	       _IOWR('e', 54, long)
 #define IOC_LIBCFS_NOTIFY_ROUTER	   _IOWR('e', 55, long)
 #define IOC_LIBCFS_UNCONFIGURE	     _IOWR('e', 56, long)
-#define IOC_LIBCFS_PORTALS_COMPATIBILITY   _IOWR('e', 57, long)
+/*	#define IOC_LIBCFS_PORTALS_COMPATIBILITY   _IOWR('e', 57, long) */
 #define IOC_LIBCFS_LNET_DIST	       _IOWR('e', 58, long)
 #define IOC_LIBCFS_CONFIGURE	       _IOWR('e', 59, long)
 #define IOC_LIBCFS_TESTPROTOCOMPAT	 _IOWR('e', 60, long)
 #define IOC_LIBCFS_PING		    _IOWR('e', 61, long)
-#define IOC_LIBCFS_DEBUG_PEER	      _IOWR('e', 62, long)
+/*	#define IOC_LIBCFS_DEBUG_PEER	      _IOWR('e', 62, long) */
 #define IOC_LIBCFS_LNETST		  _IOWR('e', 63, long)
+#define	IOC_LIBCFS_LNET_FAULT		_IOWR('e', 64, long)
 /* lnd ioctls */
 #define IOC_LIBCFS_REGISTER_MYNID	  _IOWR('e', 70, long)
 #define IOC_LIBCFS_CLOSE_CONNECTION	_IOWR('e', 71, long)
@@ -138,7 +135,25 @@ struct libcfs_ioctl_handler {
 #define IOC_LIBCFS_DEL_INTERFACE	   _IOWR('e', 79, long)
 #define IOC_LIBCFS_GET_INTERFACE	   _IOWR('e', 80, long)
 
-#define IOC_LIBCFS_MAX_NR			     80
+/*
+ * DLC Specific IOCTL numbers.
+ * In order to maintain backward compatibility with any possible external
+ * tools which might be accessing the IOCTL numbers, a new group of IOCTL
+ * number have been allocated.
+ */
+#define IOCTL_CONFIG_SIZE		struct lnet_ioctl_config_data
+#define IOC_LIBCFS_ADD_ROUTE		_IOWR(IOC_LIBCFS_TYPE, 81, IOCTL_CONFIG_SIZE)
+#define IOC_LIBCFS_DEL_ROUTE		_IOWR(IOC_LIBCFS_TYPE, 82, IOCTL_CONFIG_SIZE)
+#define IOC_LIBCFS_GET_ROUTE		_IOWR(IOC_LIBCFS_TYPE, 83, IOCTL_CONFIG_SIZE)
+#define IOC_LIBCFS_ADD_NET		_IOWR(IOC_LIBCFS_TYPE, 84, IOCTL_CONFIG_SIZE)
+#define IOC_LIBCFS_DEL_NET		_IOWR(IOC_LIBCFS_TYPE, 85, IOCTL_CONFIG_SIZE)
+#define IOC_LIBCFS_GET_NET		_IOWR(IOC_LIBCFS_TYPE, 86, IOCTL_CONFIG_SIZE)
+#define IOC_LIBCFS_CONFIG_RTR		_IOWR(IOC_LIBCFS_TYPE, 87, IOCTL_CONFIG_SIZE)
+#define IOC_LIBCFS_ADD_BUF		_IOWR(IOC_LIBCFS_TYPE, 88, IOCTL_CONFIG_SIZE)
+#define IOC_LIBCFS_GET_BUF		_IOWR(IOC_LIBCFS_TYPE, 89, IOCTL_CONFIG_SIZE)
+#define IOC_LIBCFS_GET_PEER_INFO	_IOWR(IOC_LIBCFS_TYPE, 90, IOCTL_CONFIG_SIZE)
+#define IOC_LIBCFS_GET_LNET_STATS	_IOWR(IOC_LIBCFS_TYPE, 91, IOCTL_CONFIG_SIZE)
+#define IOC_LIBCFS_MAX_NR		91
 
 static inline int libcfs_ioctl_packlen(struct libcfs_ioctl_data *data)
 {
@@ -149,9 +164,9 @@ static inline int libcfs_ioctl_packlen(struct libcfs_ioctl_data *data)
 	return len;
 }
 
-static inline int libcfs_ioctl_is_invalid(struct libcfs_ioctl_data *data)
+static inline bool libcfs_ioctl_is_invalid(struct libcfs_ioctl_data *data)
 {
-	if (data->ioc_len > (1<<30)) {
+	if (data->ioc_hdr.ioc_len > (1 << 30)) {
 		CERROR("LIBCFS ioctl: ioc_len larger than 1<<30\n");
 		return 1;
 	}
@@ -187,7 +202,7 @@ static inline int libcfs_ioctl_is_invalid(struct libcfs_ioctl_data *data)
 		CERROR("LIBCFS ioctl: plen2 nonzero but no pbuf2 pointer\n");
 		return 1;
 	}
-	if ((__u32)libcfs_ioctl_packlen(data) != data->ioc_len) {
+	if ((__u32)libcfs_ioctl_packlen(data) != data->ioc_hdr.ioc_len) {
 		CERROR("LIBCFS ioctl: packlen != ioc_len\n");
 		return 1;
 	}
@@ -207,7 +222,9 @@ static inline int libcfs_ioctl_is_invalid(struct libcfs_ioctl_data *data)
 
 int libcfs_register_ioctl(struct libcfs_ioctl_handler *hand);
 int libcfs_deregister_ioctl(struct libcfs_ioctl_handler *hand);
-int libcfs_ioctl_getdata(char *buf, char *end, void *arg);
-int libcfs_ioctl_popdata(void *arg, void *buf, int size);
+int libcfs_ioctl_getdata_len(const struct libcfs_ioctl_hdr __user *arg,
+			     __u32 *buf_len);
+int libcfs_ioctl_popdata(void __user *arg, void *buf, int size);
+int libcfs_ioctl_data_adjust(struct libcfs_ioctl_data *data);
 
 #endif /* __LIBCFS_IOCTL_H__ */
diff --git a/drivers/staging/lustre/include/linux/libcfs/libcfs_kernelcomm.h b/drivers/staging/lustre/include/linux/libcfs/libcfs_kernelcomm.h
deleted file mode 100644
index 41f3d810a..000000000
--- a/drivers/staging/lustre/include/linux/libcfs/libcfs_kernelcomm.h
+++ /dev/null
@@ -1,118 +0,0 @@
-/*
- * GPL HEADER START
- *
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 only,
- * as published by the Free Software Foundation.
- *
- * This program 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
- * General Public License version 2 for more details (a copy is included
- * in the LICENSE file that accompanied this code).
- *
- * You should have received a copy of the GNU General Public License
- * version 2 along with this program; If not, see
- * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
- *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
- *
- * GPL HEADER END
- */
-/*
- * Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
- * Use is subject to license terms.
- */
-/*
- * This file is part of Lustre, http://www.lustre.org/
- * Lustre is a trademark of Sun Microsystems, Inc.
- *
- * Author: Nathan Rutman <nathan.rutman@sun.com>
- *
- * libcfs/include/libcfs/libcfs_kernelcomm.h
- *
- * Kernel <-> userspace communication routines.
- * The definitions below are used in the kernel and userspace.
- *
- */
-
-#ifndef __LIBCFS_KERNELCOMM_H__
-#define __LIBCFS_KERNELCOMM_H__
-
-#ifndef __LIBCFS_LIBCFS_H__
-#error Do not #include this file directly. #include <linux/libcfs/libcfs.h> instead
-#endif
-
-/* KUC message header.
- * All current and future KUC messages should use this header.
- * To avoid having to include Lustre headers from libcfs, define this here.
- */
-struct kuc_hdr {
-	__u16 kuc_magic;
-	__u8  kuc_transport;  /* Each new Lustre feature should use a different
-				 transport */
-	__u8  kuc_flags;
-	__u16 kuc_msgtype;    /* Message type or opcode, transport-specific */
-	__u16 kuc_msglen;     /* Including header */
-} __aligned(sizeof(__u64));
-
-#define KUC_CHANGELOG_MSG_MAXSIZE (sizeof(struct kuc_hdr)+CR_MAXSIZE)
-
-#define KUC_MAGIC  0x191C /*Lustre9etLinC */
-#define KUC_FL_BLOCK 0x01   /* Wait for send */
-
-/* kuc_msgtype values are defined in each transport */
-enum kuc_transport_type {
-	KUC_TRANSPORT_GENERIC   = 1,
-	KUC_TRANSPORT_HSM       = 2,
-	KUC_TRANSPORT_CHANGELOG = 3,
-};
-
-enum kuc_generic_message_type {
-	KUC_MSG_SHUTDOWN = 1,
-};
-
-/* prototype for callback function on kuc groups */
-typedef int (*libcfs_kkuc_cb_t)(__u32 data, void *cb_arg);
-
-/* KUC Broadcast Groups. This determines which userspace process hears which
- * messages.  Mutliple transports may be used within a group, or multiple
- * groups may use the same transport.  Broadcast
- * groups need not be used if e.g. a UID is specified instead;
- * use group 0 to signify unicast.
- */
-#define KUC_GRP_HSM	   0x02
-#define KUC_GRP_MAX	   KUC_GRP_HSM
-
-/* Kernel methods */
-int libcfs_kkuc_msg_put(struct file *fp, void *payload);
-int libcfs_kkuc_group_put(int group, void *payload);
-int libcfs_kkuc_group_add(struct file *fp, int uid, unsigned int group,
-				 __u32 data);
-int libcfs_kkuc_group_rem(int uid, int group);
-int libcfs_kkuc_group_foreach(int group, libcfs_kkuc_cb_t cb_func,
-				     void *cb_arg);
-
-#define LK_FLG_STOP 0x01
-
-/* kernelcomm control structure, passed from userspace to kernel */
-typedef struct lustre_kernelcomm {
-	__u32 lk_wfd;
-	__u32 lk_rfd;
-	__u32 lk_uid;
-	__u32 lk_group;
-	__u32 lk_data;
-	__u32 lk_flags;
-} __packed lustre_kernelcomm;
-
-/* Userspace methods */
-int libcfs_ukuc_start(lustre_kernelcomm *l, int groups);
-int libcfs_ukuc_stop(lustre_kernelcomm *l);
-int libcfs_ukuc_msg_get(lustre_kernelcomm *l, char *buf, int maxsize,
-			       int transport);
-
-#endif /* __LIBCFS_KERNELCOMM_H__ */
diff --git a/drivers/staging/lustre/include/linux/libcfs/libcfs_private.h b/drivers/staging/lustre/include/linux/libcfs/libcfs_private.h
index a80d993b8..13335437c 100644
--- a/drivers/staging/lustre/include/linux/libcfs/libcfs_private.h
+++ b/drivers/staging/lustre/include/linux/libcfs/libcfs_private.h
@@ -88,7 +88,7 @@ do {								    \
 } while (0)
 
 #ifndef LIBCFS_VMALLOC_SIZE
-#define LIBCFS_VMALLOC_SIZE	(2 << PAGE_CACHE_SHIFT) /* 2 pages */
+#define LIBCFS_VMALLOC_SIZE	(2 << PAGE_SHIFT) /* 2 pages */
 #endif
 
 #define LIBCFS_ALLOC_PRE(size, mask)					    \
@@ -387,11 +387,6 @@ int cfs_percpt_atomic_summary(atomic_t **refs);
  * Support for temporary event tracing with minimal Heisenberg effect.
  * -------------------------------------------------------------------- */
 
-struct libcfs_device_userstate {
-	int	   ldu_memhog_pages;
-	struct page   *ldu_memhog_root_page;
-};
-
 #define MKSTR(ptr) ((ptr)) ? (ptr) : ""
 
 static inline int cfs_size_round4(int val)
diff --git a/drivers/staging/lustre/include/linux/libcfs/libcfs_string.h b/drivers/staging/lustre/include/linux/libcfs/libcfs_string.h
index d8d2e7dc2..e02cde5ae 100644
--- a/drivers/staging/lustre/include/linux/libcfs/libcfs_string.h
+++ b/drivers/staging/lustre/include/linux/libcfs/libcfs_string.h
@@ -44,8 +44,6 @@
 #define __LIBCFS_STRING_H__
 
 /* libcfs_string.c */
-/* string comparison ignoring case */
-int cfs_strncasecmp(const char *s1, const char *s2, size_t n);
 /* Convert a text string to a bitmask */
 int cfs_str2mask(const char *str, const char *(*bit2str)(int bit),
 		 int *oldmask, int minmask, int allmask);
diff --git a/drivers/staging/lustre/include/linux/libcfs/linux/libcfs.h b/drivers/staging/lustre/include/linux/libcfs/linux/libcfs.h
index aac59008a..d94b26616 100644
--- a/drivers/staging/lustre/include/linux/libcfs/linux/libcfs.h
+++ b/drivers/staging/lustre/include/linux/libcfs/linux/libcfs.h
@@ -118,9 +118,6 @@ do {								    \
 #define CDEBUG_STACK() (0L)
 #endif /* __x86_64__ */
 
-/* initial pid  */
-#define LUSTRE_LNET_PID	  12345
-
 #define __current_nesting_level() (0)
 
 /**
diff --git a/drivers/staging/lustre/include/linux/libcfs/linux/linux-cpu.h b/drivers/staging/lustre/include/linux/libcfs/linux/linux-cpu.h
index 520209f17..c04979ae0 100644
--- a/drivers/staging/lustre/include/linux/libcfs/linux/linux-cpu.h
+++ b/drivers/staging/lustre/include/linux/libcfs/linux/linux-cpu.h
@@ -13,11 +13,6 @@
  * General Public License version 2 for more details (a copy is included
  * in the LICENSE file that accompanied this code).
  *
- * You should have received a copy of the GNU General Public License
- * version 2 along with this program; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 021110-1307, USA
- *
  * GPL HEADER END
  */
 /*
diff --git a/drivers/staging/lustre/include/linux/libcfs/linux/linux-mem.h b/drivers/staging/lustre/include/linux/libcfs/linux/linux-mem.h
index 0f2fd79e5..837eb2274 100644
--- a/drivers/staging/lustre/include/linux/libcfs/linux/linux-mem.h
+++ b/drivers/staging/lustre/include/linux/libcfs/linux/linux-mem.h
@@ -57,7 +57,7 @@
 #include "../libcfs_cpu.h"
 #endif
 
-#define CFS_PAGE_MASK		   (~((__u64)PAGE_CACHE_SIZE-1))
+#define CFS_PAGE_MASK		   (~((__u64)PAGE_SIZE-1))
 #define page_index(p)       ((p)->index)
 
 #define memory_pressure_get() (current->flags & PF_MEMALLOC)
@@ -67,7 +67,7 @@
 #if BITS_PER_LONG == 32
 /* limit to lowmem on 32-bit systems */
 #define NUM_CACHEPAGES \
-	min(totalram_pages, 1UL << (30 - PAGE_CACHE_SHIFT) * 3 / 4)
+	min(totalram_pages, 1UL << (30 - PAGE_SHIFT) * 3 / 4)
 #else
 #define NUM_CACHEPAGES totalram_pages
 #endif