-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
+/*
* GPL HEADER START
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
* 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 [sun.com URL with a
- * copy of GPLv2].
+ * 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
* GPL HEADER END
*/
/*
- * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
+ *
+ * Copyright (c) 2011, 2014, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
* Lustre is a trademark of Sun Microsystems, Inc.
+ *
+ * libcfs/include/libcfs/libcfs_private.h
+ *
+ * Various defines for libcfs.
+ *
*/
-#ifndef __LIBCFS_KP30_H__
-#define __LIBCFS_KP30_H__
-
-/* Controlled via configure key */
-/* #define LIBCFS_DEBUG */
-
-#include <libcfs/libcfs.h>
-#include <lnet/types.h>
-
-#if defined(__linux__)
-#include <libcfs/linux/kp30.h>
-#elif defined(__APPLE__)
-#include <libcfs/darwin/kp30.h>
-#elif defined(__WINNT__)
-#include <libcfs/winnt/kp30.h>
-#else
-#error Unsupported operating system
-#endif
+#ifndef __LIBCFS_PRIVATE_H__
+#define __LIBCFS_PRIVATE_H__
#ifndef DEBUG_SUBSYSTEM
# define DEBUG_SUBSYSTEM S_UNDEFINED
*
* requires -Wall. Unfortunately this rules out use of likely/unlikely.
*/
-#define LASSERT(cond) \
-({ \
- if (cond) \
- ; \
- else \
- libcfs_assertion_failed( #cond , __FILE__, \
- __FUNCTION__, __LINE__); \
-})
-
-#define LASSERTF(cond, fmt, a...) \
-({ \
- if (cond) \
- ; \
- else { \
- libcfs_debug_msg(NULL, DEBUG_SUBSYSTEM, D_EMERG, \
- __FILE__, __FUNCTION__,__LINE__, \
- "ASSERTION(" #cond ") failed:" fmt, \
- ## a); \
- LBUG(); \
- } \
-})
-
-/* LASSERT_CHECKED */
-#else
+#define LASSERTF(cond, fmt, ...) \
+do { \
+ if (cond) \
+ ; \
+ else { \
+ LIBCFS_DEBUG_MSG_DATA_DECL(__msg_data, D_EMERG, NULL); \
+ libcfs_debug_msg(&__msg_data, \
+ "ASSERTION( %s ) failed: " fmt, #cond, \
+ ## __VA_ARGS__); \
+ lbug_with_loc(&__msg_data); \
+ } \
+} while (0)
-#define LASSERT(cond) \
-({ \
- if (unlikely(!(cond))) \
- libcfs_assertion_failed(#cond , __FILE__, \
- __FUNCTION__, __LINE__); \
-})
-
-#define LASSERTF(cond, fmt, a...) \
-({ \
- if (unlikely(!(cond))) { \
- libcfs_debug_msg(NULL, DEBUG_SUBSYSTEM, D_EMERG, \
- __FILE__, __FUNCTION__,__LINE__, \
- "ASSERTION(" #cond ") failed:" fmt, \
- ## a); \
- LBUG(); \
- } \
-})
-
-/* LASSERT_CHECKED */
-#endif
+#define LASSERT(cond) LASSERTF(cond, "\n")
-/* LIBCFS_DEBUG */
+#else /* !LASSERT_CHECKED */
+
+#define LASSERTF(cond, fmt, ...) \
+do { \
+ if (unlikely(!(cond))) { \
+ LIBCFS_DEBUG_MSG_DATA_DECL(__msg_data, D_EMERG, NULL); \
+ libcfs_debug_msg(&__msg_data, \
+ "ASSERTION( %s ) failed: " fmt, #cond, \
+ ## __VA_ARGS__); \
+ lbug_with_loc(&__msg_data); \
+ } \
+} while (0)
+
+#define LASSERT(cond) LASSERTF(cond, "\n")
+#endif /* !LASSERT_CHECKED */
+#else /* !LIBCFS_DEBUG */
+/* sizeof is to use expression without evaluating it. */
+# define LASSERT(e) ((void)sizeof!!(e))
+# define LASSERTF(cond, ...) ((void)sizeof!!(cond))
+#endif /* !LIBCFS_DEBUG */
+
+#ifdef CONFIG_LUSTRE_DEBUG_EXPENSIVE_CHECK
+/**
+ * This is for more expensive checks that one doesn't want to be enabled all
+ * the time. LINVRNT() has to be explicitly enabled by --enable-invariants
+ * configure option.
+ */
+# define LINVRNT(exp) LASSERT(exp)
#else
-#define LASSERT(e) ((void)(0))
-#define LASSERTF(cond, fmt...) ((void)(0))
-#endif /* LIBCFS_DEBUG */
+# define LINVRNT(exp) ((void)sizeof!!(exp))
+#endif
#define KLASSERT(e) LASSERT(e)
-void lbug_with_loc(char *file, const char *func, const int line)
- __attribute__((noreturn));
+void lbug_with_loc(struct libcfs_debug_msg_data *) __attribute__((noreturn));
-#define LBUG() lbug_with_loc(__FILE__, __FUNCTION__, __LINE__)
+#define LBUG() \
+do { \
+ LIBCFS_DEBUG_MSG_DATA_DECL(msgdata, D_EMERG, NULL); \
+ lbug_with_loc(&msgdata); \
+} while(0)
extern atomic_t libcfs_kmemory;
/*
*/
#ifdef LIBCFS_DEBUG
-# define libcfs_kmem_inc(ptr, size) \
-do { \
- atomic_add(size, &libcfs_kmemory); \
+# define libcfs_kmem_inc(ptr, size) \
+do { \
+ atomic_add(size, &libcfs_kmemory); \
} while (0)
-# define libcfs_kmem_dec(ptr, size) do { \
- atomic_sub(size, &libcfs_kmemory); \
+# define libcfs_kmem_dec(ptr, size) \
+do { \
+ atomic_sub(size, &libcfs_kmemory); \
} while (0)
+# define libcfs_kmem_read() \
+ atomic_read(&libcfs_kmemory)
+
#else
# define libcfs_kmem_inc(ptr, size) do {} while (0)
# define libcfs_kmem_dec(ptr, size) do {} while (0)
+# define libcfs_kmem_read() (0)
#endif /* LIBCFS_DEBUG */
-#define LIBCFS_VMALLOC_SIZE 16384
-
-#define LIBCFS_ALLOC_GFP(ptr, size, mask) \
-do { \
- LASSERT(!in_interrupt() || \
- (size <= LIBCFS_VMALLOC_SIZE && mask == CFS_ALLOC_ATOMIC));\
- if (unlikely((size) > LIBCFS_VMALLOC_SIZE)) \
- (ptr) = cfs_alloc_large(size); \
- else \
- (ptr) = cfs_alloc((size), (mask)); \
- if (unlikely((ptr) == NULL)) { \
- CERROR("LNET: out of memory at %s:%d (tried to alloc '" \
- #ptr "' = %d)\n", __FILE__, __LINE__, (int)(size));\
- CERROR("LNET: %d total bytes allocated by lnet\n", \
- atomic_read(&libcfs_kmemory)); \
- } else { \
- libcfs_kmem_inc((ptr), (size)); \
- if (!((mask) & CFS_ALLOC_ZERO)) \
- memset((ptr), 0, (size)); \
- } \
- CDEBUG(D_MALLOC, "kmalloced '" #ptr "': %d at %p (tot %d).\n", \
- (int)(size), (ptr), atomic_read (&libcfs_kmemory)); \
+#ifndef LIBCFS_VMALLOC_SIZE
+#define LIBCFS_VMALLOC_SIZE (2 << PAGE_CACHE_SHIFT) /* 2 pages */
+#endif
+
+#define LIBCFS_ALLOC_PRE(size, mask) \
+do { \
+ LASSERT(!in_interrupt() || \
+ ((size) <= LIBCFS_VMALLOC_SIZE && \
+ ((mask) & GFP_ATOMIC)) != 0); \
} while (0)
+#define LIBCFS_ALLOC_POST(ptr, size) \
+do { \
+ if (unlikely((ptr) == NULL)) { \
+ CERROR("LNET: out of memory at %s:%d (tried to alloc '" \
+ #ptr "' = %d)\n", __FILE__, __LINE__, (int)(size)); \
+ CERROR("LNET: %d total bytes allocated by lnet\n", \
+ libcfs_kmem_read()); \
+ } else { \
+ libcfs_kmem_inc((ptr), (size)); \
+ CDEBUG(D_MALLOC, "alloc '" #ptr "': %d at %p (tot %d).\n", \
+ (int)(size), (ptr), libcfs_kmem_read()); \
+ } \
+} while (0)
+
+/**
+ * allocate memory with GFP flags @mask
+ * The allocated memory is zeroed-out.
+ */
+#define LIBCFS_ALLOC_GFP(ptr, size, mask) \
+do { \
+ LIBCFS_ALLOC_PRE((size), (mask)); \
+ (ptr) = (size) <= LIBCFS_VMALLOC_SIZE ? \
+ kzalloc((size), (mask)) : vzalloc(size); \
+ LIBCFS_ALLOC_POST((ptr), (size)); \
+} while (0)
+
+/**
+ * default allocator
+ */
#define LIBCFS_ALLOC(ptr, size) \
- LIBCFS_ALLOC_GFP(ptr, size, CFS_ALLOC_IO)
+ LIBCFS_ALLOC_GFP(ptr, size, GFP_NOFS)
+/**
+ * non-sleeping allocator
+ */
#define LIBCFS_ALLOC_ATOMIC(ptr, size) \
- LIBCFS_ALLOC_GFP(ptr, size, CFS_ALLOC_ATOMIC)
+ LIBCFS_ALLOC_GFP(ptr, size, GFP_ATOMIC)
-#define LIBCFS_FREE(ptr, size) \
-do { \
- int s = (size); \
- if (unlikely((ptr) == NULL)) { \
- CERROR("LIBCFS: free NULL '" #ptr "' (%d bytes) at " \
- "%s:%d\n", s, __FILE__, __LINE__); \
- break; \
- } \
- libcfs_kmem_dec((ptr), s); \
- CDEBUG(D_MALLOC, "kfreed '" #ptr "': %d at %p (tot %d).\n", \
- s, (ptr), atomic_read(&libcfs_kmemory)); \
- if (unlikely(s > LIBCFS_VMALLOC_SIZE)) \
- cfs_free_large(ptr); \
- else \
- cfs_free(ptr); \
+/**
+ * allocate memory for specified CPU partition
+ * \a cptab != NULL, \a cpt is CPU partition id of \a cptab
+ * \a cptab == NULL, \a cpt is HW NUMA node id
+ * The allocated memory is zeroed-out.
+ */
+#define LIBCFS_CPT_ALLOC_GFP(ptr, cptab, cpt, size, mask) \
+do { \
+ LIBCFS_ALLOC_PRE((size), (mask)); \
+ (ptr) = (size) <= LIBCFS_VMALLOC_SIZE ? \
+ cfs_cpt_malloc((cptab), (cpt), (size), (mask) | __GFP_ZERO) : \
+ cfs_cpt_vzalloc((cptab), (cpt), (size)); \
+ LIBCFS_ALLOC_POST((ptr), (size)); \
+} while (0)
+
+/** default numa allocator */
+#define LIBCFS_CPT_ALLOC(ptr, cptab, cpt, size) \
+ LIBCFS_CPT_ALLOC_GFP(ptr, cptab, cpt, size, GFP_NOFS)
+
+#define LIBCFS_FREE(ptr, size) \
+do { \
+ int s = (size); \
+ if (unlikely((ptr) == NULL)) { \
+ CERROR("LIBCFS: free NULL '" #ptr "' (%d bytes) at " \
+ "%s:%d\n", s, __FILE__, __LINE__); \
+ break; \
+ } \
+ libcfs_kmem_dec((ptr), s); \
+ CDEBUG(D_MALLOC, "kfreed '" #ptr "': %d at %p (tot %d).\n", \
+ s, (ptr), libcfs_kmem_read()); \
+ if (unlikely(s > LIBCFS_VMALLOC_SIZE)) \
+ vfree(ptr); \
+ else \
+ kfree(ptr); \
} while (0)
/******************************************************************************/
#define ntohs(x) ___ntohs(x)
#endif
-void libcfs_debug_dumpstack(cfs_task_t *tsk);
+void libcfs_debug_dumpstack(struct task_struct *tsk);
void libcfs_run_upcall(char **argv);
-void libcfs_run_lbug_upcall(char * file, const char *fn, const int line);
+void libcfs_run_lbug_upcall(struct libcfs_debug_msg_data *);
void libcfs_debug_dumplog(void);
int libcfs_debug_init(unsigned long bufsize);
int libcfs_debug_cleanup(void);
int libcfs_debug_clear_buffer(void);
-int libcfs_debug_mark_buffer(char *text);
-
-void libcfs_debug_set_level(unsigned int debug_level);
+int libcfs_debug_mark_buffer(const char *text);
#else /* !__KERNEL__ */
# ifdef LIBCFS_DEBUG
# undef NDEBUG
# include <assert.h>
# define LASSERT(e) assert(e)
-# define LASSERTF(cond, args...) \
+# define LASSERTF(cond, ...) \
do { \
if (!(cond)) \
- CERROR(args); \
+ CERROR(__VA_ARGS__); \
assert(cond); \
} while (0)
# define LBUG() assert(0)
+# ifdef CONFIG_LUSTRE_DEBUG_EXPENSIVE_CHECK
+# define LINVRNT(exp) LASSERT(exp)
+# else
+# define LINVRNT(exp) ((void)sizeof!!(exp))
+# endif
# else
-# define LASSERT(e) ((void)(0))
-# define LASSERTF(cond, args...) do { } while (0)
+# define LASSERT(e) ((void)sizeof!!(e))
+# define LASSERTF(cond, ...) ((void)sizeof!!(cond))
# define LBUG() ((void)(0))
+# define LINVRNT(exp) ((void)sizeof!!(exp))
# endif /* LIBCFS_DEBUG */
-# define KLASSERT(e) do { } while (0)
-# define printk(format, args...) printf (format, ## args)
-# ifdef CRAY_XT3 /* buggy calloc! */
-# define LIBCFS_ALLOC(ptr, size) \
- do { \
- (ptr) = malloc(size); \
- memset(ptr, 0, size); \
- } while (0)
-# else
-# define LIBCFS_ALLOC(ptr, size) do { (ptr) = calloc(1,size); } while (0)
-# endif
-# define LIBCFS_FREE(a, b) do { free(a); } while (0)
+# define KLASSERT(e) ((void)0)
+# define printk printf
+#define LIBCFS_ALLOC_GFP(ptr, size, mask) \
+do { \
+ (ptr) = calloc(1, size); \
+} while (0)
+# define LIBCFS_FREE(ptr, size) do { free(ptr); } while((size) - (size))
+# define LIBCFS_ALLOC(ptr, size) \
+ LIBCFS_ALLOC_GFP(ptr, size, 0)
+# define LIBCFS_CPT_ALLOC_GFP(ptr, cptab, cpt, size, mask) \
+ LIBCFS_ALLOC(ptr, size)
+# define LIBCFS_CPT_ALLOC(ptr, cptab, cpt, size) \
+ LIBCFS_ALLOC(ptr, size)
void libcfs_debug_dumplog(void);
int libcfs_debug_init(unsigned long bufsize);
int libcfs_debug_cleanup(void);
+#define libcfs_debug_dumpstack(tsk) ((void)0)
+
/*
* Generic compiler-dependent macros required for kernel
* build go below this comment. Actual compiler/compiler version
* specific implementations come from the above header files
*/
-
-#define likely(x) __builtin_expect(!!(x), 1)
-#define unlikely(x) __builtin_expect(!!(x), 0)
-
+#define likely(x) __builtin_expect(!!(x), 1)
+#define unlikely(x) __builtin_expect(!!(x), 0)
/* !__KERNEL__ */
#endif
/*
- * compile-time assertions. @cond has to be constant expression.
- * ISO C Standard:
- *
- * 6.8.4.2 The switch statement
+ * allocate a variable array, returned value is an array of pointers.
+ * Caller can specify length of array by count.
+ */
+void *cfs_array_alloc(int count, unsigned int size);
+void cfs_array_free(void *vars);
+
+#define LASSERT_ATOMIC_ENABLED (1)
+
+#if LASSERT_ATOMIC_ENABLED
+
+/** assert value of @a is equal to @v */
+#define LASSERT_ATOMIC_EQ(a, v) \
+do { \
+ LASSERTF(atomic_read(a) == v, \
+ "value: %d\n", atomic_read((a))); \
+} while (0)
+
+/** assert value of @a is unequal to @v */
+#define LASSERT_ATOMIC_NE(a, v) \
+do { \
+ LASSERTF(atomic_read(a) != v, \
+ "value: %d\n", atomic_read((a))); \
+} while (0)
+
+/** assert value of @a is little than @v */
+#define LASSERT_ATOMIC_LT(a, v) \
+do { \
+ LASSERTF(atomic_read(a) < v, \
+ "value: %d\n", atomic_read((a))); \
+} while (0)
+
+/** assert value of @a is little/equal to @v */
+#define LASSERT_ATOMIC_LE(a, v) \
+do { \
+ LASSERTF(atomic_read(a) <= v, \
+ "value: %d\n", atomic_read((a))); \
+} while (0)
+
+/** assert value of @a is great than @v */
+#define LASSERT_ATOMIC_GT(a, v) \
+do { \
+ LASSERTF(atomic_read(a) > v, \
+ "value: %d\n", atomic_read((a))); \
+} while (0)
+
+/** assert value of @a is great/equal to @v */
+#define LASSERT_ATOMIC_GE(a, v) \
+do { \
+ LASSERTF(atomic_read(a) >= v, \
+ "value: %d\n", atomic_read((a))); \
+} while (0)
+
+/** assert value of @a is great than @v1 and little than @v2 */
+#define LASSERT_ATOMIC_GT_LT(a, v1, v2) \
+do { \
+ int __v = atomic_read(a); \
+ LASSERTF(__v > v1 && __v < v2, "value: %d\n", __v); \
+} while (0)
+
+/** assert value of @a is great than @v1 and little/equal to @v2 */
+#define LASSERT_ATOMIC_GT_LE(a, v1, v2) \
+do { \
+ int __v = atomic_read(a); \
+ LASSERTF(__v > v1 && __v <= v2, "value: %d\n", __v); \
+} while (0)
+
+/** assert value of @a is great/equal to @v1 and little than @v2 */
+#define LASSERT_ATOMIC_GE_LT(a, v1, v2) \
+do { \
+ int __v = atomic_read(a); \
+ LASSERTF(__v >= v1 && __v < v2, "value: %d\n", __v); \
+} while (0)
+
+/** assert value of @a is great/equal to @v1 and little/equal to @v2 */
+#define LASSERT_ATOMIC_GE_LE(a, v1, v2) \
+do { \
+ int __v = atomic_read(a); \
+ LASSERTF(__v >= v1 && __v <= v2, "value: %d\n", __v); \
+} while (0)
+
+#else /* !LASSERT_ATOMIC_ENABLED */
+
+#define LASSERT_ATOMIC_EQ(a, v) do {} while (0)
+#define LASSERT_ATOMIC_NE(a, v) do {} while (0)
+#define LASSERT_ATOMIC_LT(a, v) do {} while (0)
+#define LASSERT_ATOMIC_LE(a, v) do {} while (0)
+#define LASSERT_ATOMIC_GT(a, v) do {} while (0)
+#define LASSERT_ATOMIC_GE(a, v) do {} while (0)
+#define LASSERT_ATOMIC_GT_LT(a, v1, v2) do {} while (0)
+#define LASSERT_ATOMIC_GT_LE(a, v1, v2) do {} while (0)
+#define LASSERT_ATOMIC_GE_LT(a, v1, v2) do {} while (0)
+#define LASSERT_ATOMIC_GE_LE(a, v1, v2) do {} while (0)
+
+#endif /* LASSERT_ATOMIC_ENABLED */
+
+#define LASSERT_ATOMIC_ZERO(a) LASSERT_ATOMIC_EQ(a, 0)
+#define LASSERT_ATOMIC_POS(a) LASSERT_ATOMIC_GT(a, 0)
+
+#define CFS_ALLOC_PTR(ptr) LIBCFS_ALLOC(ptr, sizeof (*(ptr)));
+#define CFS_FREE_PTR(ptr) LIBCFS_FREE(ptr, sizeof (*(ptr)));
+
+/** Compile-time assertion.
+
+ * Check an invariant described by a constant expression at compile time by
+ * forcing a compiler error if it does not hold. \a cond must be a constant
+ * expression as defined by the ISO C Standard:
*
+ * 6.8.4.2 The switch statement
* ....
- *
* [#3] The expression of each case label shall be an integer
* constant expression and no two of the case constant
* expressions in the same switch statement shall have the same
* value after conversion...
*
*/
-#define CLASSERT(cond) ({ switch(42) { case (cond): case 0: break; } })
-
-/* support decl needed both by kernel and liblustre */
-int libcfs_isknown_lnd(int type);
-char *libcfs_lnd2modname(int type);
-char *libcfs_lnd2str(int type);
-int libcfs_str2lnd(const char *str);
-char *libcfs_net2str(__u32 net);
-char *libcfs_nid2str(lnet_nid_t nid);
-__u32 libcfs_str2net(const char *str);
-lnet_nid_t libcfs_str2nid(const char *str);
-int libcfs_str2anynid(lnet_nid_t *nid, const char *str);
-char *libcfs_id2str(lnet_process_id_t id);
-void libcfs_setnet0alias(int type);
-
-/* how an LNET NID encodes net:address */
-#define LNET_NIDADDR(nid) ((__u32)((nid) & 0xffffffff))
-#define LNET_NIDNET(nid) ((__u32)(((nid) >> 32)) & 0xffffffff)
-#define LNET_MKNID(net,addr) ((((__u64)(net))<<32)|((__u64)(addr)))
-/* how net encodes type:number */
-#define LNET_NETNUM(net) ((net) & 0xffff)
-#define LNET_NETTYP(net) (((net) >> 16) & 0xffff)
-#define LNET_MKNET(typ,num) ((((__u32)(typ))<<16)|((__u32)(num)))
+#define CLASSERT(cond) do {switch (1) {case (cond): case 0: break; } } while (0)
/* implication */
#define ergo(a, b) (!(a) || (b))
/* logical equivalence */
#define equi(a, b) (!!(a) == !!(b))
-#ifndef CURRENT_TIME
-# define CURRENT_TIME time(0)
+#ifndef CFS_CURRENT_TIME
+# define CFS_CURRENT_TIME time(0)
#endif
-/* --------------------------------------------------------------------
- * Light-weight trace
- * Support for temporary event tracing with minimal Heisenberg effect.
- * All stuff about lwt are put in arch/kp30.h
- * -------------------------------------------------------------------- */
-
-struct libcfs_device_userstate
-{
- int ldu_memhog_pages;
- cfs_page_t *ldu_memhog_root_page;
-};
-
/* what used to be in portals_lib.h */
#ifndef MIN
# define MIN(a,b) (((a)<(b)) ? (a): (b))
#define MKSTR(ptr) ((ptr))? (ptr) : ""
-static inline int size_round4 (int val)
+static inline size_t cfs_size_round4(size_t val)
{
return (val + 3) & (~0x3);
}
-static inline int size_round (int val)
+#ifndef HAVE_CFS_SIZE_ROUND
+static inline size_t cfs_size_round(size_t val)
{
return (val + 7) & (~0x7);
}
+#define HAVE_CFS_SIZE_ROUND
+#endif
-static inline int size_round16(int val)
+static inline size_t cfs_size_round16(size_t val)
{
return (val + 0xf) & (~0xf);
}
-static inline int size_round32(int val)
+static inline size_t cfs_size_round32(size_t val)
{
return (val + 0x1f) & (~0x1f);
}
-static inline int size_round0(int val)
+static inline size_t cfs_size_round0(size_t val)
{
if (!val)
return 0;
return (val + 1 + 7) & (~0x7);
}
-static inline size_t round_strlen(char *fset)
+static inline size_t cfs_round_strlen(char *fset)
{
- return (size_t)size_round((int)strlen(fset) + 1);
+ return cfs_size_round(strlen(fset) + 1);
+}
+
+/* roundup \a val to power2 */
+static inline size_t cfs_power2_roundup(size_t val)
+{
+ if (val != LOWEST_BIT_SET(val)) { /* not a power of 2 already */
+ do {
+ val &= ~LOWEST_BIT_SET(val);
+ } while (val != LOWEST_BIT_SET(val));
+ /* ...and round up */
+ val <<= 1;
+ }
+ return val;
}
#define LOGL(var,len,ptr) \
do { \
if (var) \
memcpy((char *)ptr, (const char *)var, len); \
- ptr += size_round(len); \
+ ptr += cfs_size_round(len); \
} while (0)
#define LOGU(var,len,ptr) \
do { \
if (var) \
memcpy((char *)var, (const char *)ptr, len); \
- ptr += size_round(len); \
-} while (0)
-
-#define LOGL0(var,len,ptr) \
-do { \
- if (!len) \
- break; \
- memcpy((char *)ptr, (const char *)var, len); \
- *((char *)(ptr) + len) = 0; \
- ptr += size_round(len + 1); \
-} while (0)
-
-/*
- * USER LEVEL STUFF BELOW
- */
-
-#define LIBCFS_IOCTL_VERSION 0x0001000a
-
-struct libcfs_ioctl_data {
- __u32 ioc_len;
- __u32 ioc_version;
-
- __u64 ioc_nid;
- __u64 ioc_u64[1];
-
- __u32 ioc_flags;
- __u32 ioc_count;
- __u32 ioc_net;
- __u32 ioc_u32[7];
-
- __u32 ioc_inllen1;
- char *ioc_inlbuf1;
- __u32 ioc_inllen2;
- char *ioc_inlbuf2;
-
- __u32 ioc_plen1; /* buffers in userspace */
- char *ioc_pbuf1;
- __u32 ioc_plen2; /* buffers in userspace */
- char *ioc_pbuf2;
-
- char ioc_bulk[0];
-};
-
-
-struct libcfs_ioctl_hdr {
- __u32 ioc_len;
- __u32 ioc_version;
-};
-
-struct libcfs_debug_ioctl_data
-{
- struct libcfs_ioctl_hdr hdr;
- unsigned int subs;
- unsigned int debug;
-};
-
-#define LIBCFS_IOC_INIT(data) \
-do { \
- memset(&data, 0, sizeof(data)); \
- data.ioc_version = LIBCFS_IOCTL_VERSION; \
- data.ioc_len = sizeof(data); \
+ ptr += cfs_size_round(len); \
} while (0)
-/* FIXME check conflict with lustre_lib.h */
-#define LIBCFS_IOC_DEBUG_MASK _IOWR('f', 250, long)
-
-static inline int libcfs_ioctl_packlen(struct libcfs_ioctl_data *data)
-{
- int len = sizeof(*data);
- len += size_round(data->ioc_inllen1);
- len += size_round(data->ioc_inllen2);
- return len;
-}
-
-static inline int libcfs_ioctl_is_invalid(struct libcfs_ioctl_data *data)
-{
- if (data->ioc_len > (1<<30)) {
- CERROR ("LIBCFS ioctl: ioc_len larger than 1<<30\n");
- return 1;
- }
- if (data->ioc_inllen1 > (1<<30)) {
- CERROR ("LIBCFS ioctl: ioc_inllen1 larger than 1<<30\n");
- return 1;
- }
- if (data->ioc_inllen2 > (1<<30)) {
- CERROR ("LIBCFS ioctl: ioc_inllen2 larger than 1<<30\n");
- return 1;
- }
- if (data->ioc_inlbuf1 && !data->ioc_inllen1) {
- CERROR ("LIBCFS ioctl: inlbuf1 pointer but 0 length\n");
- return 1;
- }
- if (data->ioc_inlbuf2 && !data->ioc_inllen2) {
- CERROR ("LIBCFS ioctl: inlbuf2 pointer but 0 length\n");
- return 1;
- }
- if (data->ioc_pbuf1 && !data->ioc_plen1) {
- CERROR ("LIBCFS ioctl: pbuf1 pointer but 0 length\n");
- return 1;
- }
- if (data->ioc_pbuf2 && !data->ioc_plen2) {
- CERROR ("LIBCFS ioctl: pbuf2 pointer but 0 length\n");
- return 1;
- }
- if (data->ioc_plen1 && !data->ioc_pbuf1) {
- CERROR ("LIBCFS ioctl: plen1 nonzero but no pbuf1 pointer\n");
- return 1;
- }
- if (data->ioc_plen2 && !data->ioc_pbuf2) {
- CERROR ("LIBCFS ioctl: plen2 nonzero but no pbuf2 pointer\n");
- return 1;
- }
- if ((__u32)libcfs_ioctl_packlen(data) != data->ioc_len ) {
- CERROR ("LIBCFS ioctl: packlen != ioc_len\n");
- return 1;
- }
- if (data->ioc_inllen1 &&
- data->ioc_bulk[data->ioc_inllen1 - 1] != '\0') {
- CERROR ("LIBCFS ioctl: inlbuf1 not 0 terminated\n");
- return 1;
- }
- if (data->ioc_inllen2 &&
- data->ioc_bulk[size_round(data->ioc_inllen1) +
- data->ioc_inllen2 - 1] != '\0') {
- CERROR ("LIBCFS ioctl: inlbuf2 not 0 terminated\n");
- return 1;
- }
- return 0;
-}
-
-#ifndef __KERNEL__
-static inline int libcfs_ioctl_pack(struct libcfs_ioctl_data *data, char **pbuf,
- int max)
-{
- char *ptr;
- struct libcfs_ioctl_data *overlay;
- data->ioc_len = libcfs_ioctl_packlen(data);
- data->ioc_version = LIBCFS_IOCTL_VERSION;
-
- if (*pbuf && libcfs_ioctl_packlen(data) > max)
- return 1;
- if (*pbuf == NULL) {
- *pbuf = malloc(data->ioc_len);
- }
- if (!*pbuf)
- return 1;
- overlay = (struct libcfs_ioctl_data *)*pbuf;
- memcpy(*pbuf, data, sizeof(*data));
-
- ptr = overlay->ioc_bulk;
- if (data->ioc_inlbuf1)
- LOGL(data->ioc_inlbuf1, data->ioc_inllen1, ptr);
- if (data->ioc_inlbuf2)
- LOGL(data->ioc_inlbuf2, data->ioc_inllen2, ptr);
- if (libcfs_ioctl_is_invalid(overlay))
- return 1;
-
- return 0;
-}
-
-#else
-
-extern int libcfs_ioctl_getdata(char *buf, char *end, void *arg);
-extern int libcfs_ioctl_popdata(void *arg, void *buf, int size);
-
-#endif
+extern struct cfs_psdev_ops libcfs_psdev_ops;
+extern struct miscdevice libcfs_dev;
+extern struct cfs_wi_sched *cfs_sched_rehash;
-/* ioctls for manipulating snapshots 30- */
-#define IOC_LIBCFS_TYPE 'e'
-#define IOC_LIBCFS_MIN_NR 30
-/* libcfs ioctls */
-#define IOC_LIBCFS_PANIC _IOWR('e', 30, IOCTL_LIBCFS_TYPE)
-#define IOC_LIBCFS_CLEAR_DEBUG _IOWR('e', 31, IOCTL_LIBCFS_TYPE)
-#define IOC_LIBCFS_MARK_DEBUG _IOWR('e', 32, IOCTL_LIBCFS_TYPE)
-#define IOC_LIBCFS_LWT_CONTROL _IOWR('e', 33, IOCTL_LIBCFS_TYPE)
-#define IOC_LIBCFS_LWT_SNAPSHOT _IOWR('e', 34, IOCTL_LIBCFS_TYPE)
-#define IOC_LIBCFS_LWT_LOOKUP_STRING _IOWR('e', 35, IOCTL_LIBCFS_TYPE)
-#define IOC_LIBCFS_MEMHOG _IOWR('e', 36, IOCTL_LIBCFS_TYPE)
-#define IOC_LIBCFS_PING_TEST _IOWR('e', 37, IOCTL_LIBCFS_TYPE)
-/* lnet ioctls */
-#define IOC_LIBCFS_GET_NI _IOWR('e', 50, IOCTL_LIBCFS_TYPE)
-#define IOC_LIBCFS_FAIL_NID _IOWR('e', 51, IOCTL_LIBCFS_TYPE)
-#define IOC_LIBCFS_ADD_ROUTE _IOWR('e', 52, IOCTL_LIBCFS_TYPE)
-#define IOC_LIBCFS_DEL_ROUTE _IOWR('e', 53, IOCTL_LIBCFS_TYPE)
-#define IOC_LIBCFS_GET_ROUTE _IOWR('e', 54, IOCTL_LIBCFS_TYPE)
-#define IOC_LIBCFS_NOTIFY_ROUTER _IOWR('e', 55, IOCTL_LIBCFS_TYPE)
-#define IOC_LIBCFS_UNCONFIGURE _IOWR('e', 56, IOCTL_LIBCFS_TYPE)
-#define IOC_LIBCFS_PORTALS_COMPATIBILITY _IOWR('e', 57, IOCTL_LIBCFS_TYPE)
-#define IOC_LIBCFS_LNET_DIST _IOWR('e', 58, IOCTL_LIBCFS_TYPE)
-#define IOC_LIBCFS_CONFIGURE _IOWR('e', 59, IOCTL_LIBCFS_TYPE)
-#define IOC_LIBCFS_TESTPROTOCOMPAT _IOWR('e', 60, IOCTL_LIBCFS_TYPE)
-#define IOC_LIBCFS_PING _IOWR('e', 61, IOCTL_LIBCFS_TYPE)
-#define IOC_LIBCFS_DEBUG_PEER _IOWR('e', 62, IOCTL_LIBCFS_TYPE)
-#define IOC_LIBCFS_LNETST _IOWR('e', 63, IOCTL_LIBCFS_TYPE)
-/* lnd ioctls */
-#define IOC_LIBCFS_REGISTER_MYNID _IOWR('e', 70, IOCTL_LIBCFS_TYPE)
-#define IOC_LIBCFS_CLOSE_CONNECTION _IOWR('e', 71, IOCTL_LIBCFS_TYPE)
-#define IOC_LIBCFS_PUSH_CONNECTION _IOWR('e', 72, IOCTL_LIBCFS_TYPE)
-#define IOC_LIBCFS_GET_CONN _IOWR('e', 73, IOCTL_LIBCFS_TYPE)
-#define IOC_LIBCFS_DEL_PEER _IOWR('e', 74, IOCTL_LIBCFS_TYPE)
-#define IOC_LIBCFS_ADD_PEER _IOWR('e', 75, IOCTL_LIBCFS_TYPE)
-#define IOC_LIBCFS_GET_PEER _IOWR('e', 76, IOCTL_LIBCFS_TYPE)
-#define IOC_LIBCFS_GET_TXDESC _IOWR('e', 77, IOCTL_LIBCFS_TYPE)
-#define IOC_LIBCFS_ADD_INTERFACE _IOWR('e', 78, IOCTL_LIBCFS_TYPE)
-#define IOC_LIBCFS_DEL_INTERFACE _IOWR('e', 79, IOCTL_LIBCFS_TYPE)
-#define IOC_LIBCFS_GET_INTERFACE _IOWR('e', 80, IOCTL_LIBCFS_TYPE)
-#define IOC_LIBCFS_GET_GMID _IOWR('e', 81, IOCTL_LIBCFS_TYPE)
-
-#define IOC_LIBCFS_MAX_NR 81
-
-
-enum {
- /* Only add to these values (i.e. don't ever change or redefine them):
- * network addresses depend on them... */
- QSWLND = 1,
- SOCKLND = 2,
- GMLND = 3,
- PTLLND = 4,
- O2IBLND = 5,
- CIBLND = 6,
- OPENIBLND = 7,
- IIBLND = 8,
- LOLND = 9,
- RALND = 10,
- VIBLND = 11,
- MXLND = 12,
-};
-
-enum {
- DEBUG_DAEMON_START = 1,
- DEBUG_DAEMON_STOP = 2,
- DEBUG_DAEMON_PAUSE = 3,
- DEBUG_DAEMON_CONTINUE = 4,
-};
-
-
-enum cfg_record_type {
- PORTALS_CFG_TYPE = 1,
- LUSTRE_CFG_TYPE = 123,
-};
-
-typedef int (*cfg_record_cb_t)(enum cfg_record_type, int len, void *data);
-
-/* lustre_id output helper macros */
-#define DLID4 "%lu/%lu/%lu/%lu"
-
-#define OLID4(id) \
- (unsigned long)(id)->li_fid.lf_id, \
- (unsigned long)(id)->li_fid.lf_group, \
- (unsigned long)(id)->li_stc.u.e3s.l3s_ino, \
- (unsigned long)(id)->li_stc.u.e3s.l3s_gen
+extern int insert_proc(void);
+extern void remove_proc(void);
#endif
git://git.whamcloud.com / fs / lustre-release.git / blobdiff