-
SUBDIRS := linux posix util
if DARWIN
SUBDIRS += darwin
DIST_SUBDIRS := $(SUBDIRS)
EXTRA_DIST := curproc.h libcfs_private.h libcfs.h list.h lltrace.h \
- user-lock.h user-prim.h user-time.h \
- user-tcpip.h user-bitops.h bitmap.h user-mem.h\
- libcfs_prim.h libcfs_private.h libcfs_hash.h libcfs_time.h \
- libcfs_debug.h libcfsutil.h libcfs_ioctl.h
+ user-lock.h user-prim.h user-time.h user-mem.h \
+ user-tcpip.h user-bitops.h bitmap.h \
+ libcfs_prim.h libcfs_time.h libcfs_hash.h \
+ libcfs_debug.h libcfsutil.h libcfs_ioctl.h \
+ libcfs_pack.h libcfs_unpack.h
typedef int32_t __s32;
typedef int64_t __s64;
+/* long integer with size equal to pointer */
+typedef unsigned long ulong_ptr_t;
+typedef long long_ptr_t;
+
#ifdef __KERNEL__
#include <kern/kern_types.h>
# define LL_POISON ((long)0x5a5a5a5a)
# define LP_POISON ((void *)(long)0x5a5a5a5a)
+/*
+ * long_ptr_t & ulong_ptr_t, same to "long" for gcc
+ */
+# define LPLU "%lu"
+# define LPLD "%ld"
+# define LPLX "%#lx"
+
+/*
+ * pid_t
+ */
+# define LPPID "%d"
+
#endif
#include "curproc.h"
#ifndef offsetof
-# define offsetof(typ,memb) ((unsigned long)((char *)&(((typ *)0)->memb)))
+# define offsetof(typ,memb) ((long)(long_ptr_t)((char *)&(((typ *)0)->memb)))
#endif
-/* cardinality of array */
#ifndef ARRAY_SIZE
#define ARRAY_SIZE(a) ((sizeof (a)) / (sizeof ((a)[0])))
#endif
/* given a pointer @ptr to the field @member embedded into type (usually
* struct) @type, return pointer to the embedding instance of @type. */
#define container_of(ptr, type, member) \
- ((type *)((char *)(ptr)-(unsigned long)(&((type *)0)->member)))
+ ((type *)((char *)(ptr)-(char *)(&((type *)0)->member)))
#endif
-#define container_of0(ptr, type, member) \
-({ \
- typeof(ptr) __ptr = (ptr); \
- type *__res; \
- \
- if (unlikely(IS_ERR(__ptr) || __ptr == NULL)) \
- __res = (type *)__ptr; \
- else \
- __res = container_of(__ptr, type, member); \
- __res; \
-})
+static inline int __is_po2(unsigned long long val)
+{
+ return !(val & (val - 1));
+}
-/*
- * true iff @i is power-of-2
- */
-#define IS_PO2(i) \
-({ \
- typeof(i) __i; \
- \
- __i = (i); \
- !(__i & (__i - 1)); \
-})
+#define IS_PO2(val) __is_po2((unsigned long long)(val))
#define LOWEST_BIT_SET(x) ((x) & ~((x) - 1))
#include <libcfs/libcfs_prim.h>
#include <libcfs/libcfs_time.h>
+/* container_of depends on "likely" which is defined in libcfs_private.h */
+static inline void *__container_of(void *ptr, unsigned long shift)
+{
+ if (unlikely(IS_ERR(ptr) || ptr == NULL))
+ return ptr;
+ else
+ return (char *)ptr - shift;
+}
+
+#define container_of0(ptr, type, member) \
+ ((type *)__container_of((void *)(ptr), offsetof(type, member)))
+
#define _LIBCFS_H
#endif /* _LIBCFS_H */
((libcfs_debug & mask) && (libcfs_subsystem_debug & subsystem));
}
-#define __CDEBUG(cdls, mask, format, a...) \
+#define __CDEBUG(cdls, mask, format, ...) \
do { \
CHECK_STACK(); \
\
if (cdebug_show(mask, DEBUG_SUBSYSTEM)) \
libcfs_debug_msg(cdls, DEBUG_SUBSYSTEM, mask, \
__FILE__, __FUNCTION__, __LINE__, \
- format, ## a); \
+ format, ## __VA_ARGS__); \
} while (0)
-#define CDEBUG(mask, format, a...) __CDEBUG(NULL, mask, format, ## a)
+#define CDEBUG(mask, format, ...) __CDEBUG(NULL, mask, format, ## __VA_ARGS__)
-#define CDEBUG_LIMIT(mask, format, a...) \
+#define CDEBUG_LIMIT(mask, format, ...) \
do { \
static cfs_debug_limit_state_t cdls; \
\
- __CDEBUG(&cdls, mask, format, ## a); \
+ __CDEBUG(&cdls, mask, format, ## __VA_ARGS__);\
} while (0)
#else /* !CDEBUG_ENABLED */
{
return 0;
}
-#define CDEBUG(mask, format, a...) (void)(0)
-#define CDEBUG_LIMIT(mask, format, a...) (void)(0)
+#define CDEBUG(mask, format, ...) (void)(0)
+#define CDEBUG_LIMIT(mask, format, ...) (void)(0)
#warning "CDEBUG IS DISABLED. THIS SHOULD NEVER BE DONE FOR PRODUCTION!"
#endif
#else /* !__KERNEL__ && (!__arch_lib__ || LUSTRE_UTILS) */
-#define CDEBUG(mask, format, a...) \
+#define CDEBUG(mask, format, ...) \
do { \
if (((mask) & D_CANTMASK) != 0) \
fprintf(stderr, "(%s:%d:%s()) " format, \
- __FILE__, __LINE__, __FUNCTION__, ## a); \
+ __FILE__, __LINE__, __FUNCTION__, ## __VA_ARGS__);\
} while (0)
#define CDEBUG_LIMIT CDEBUG
#endif /* !__KERNEL__ ... */
-#define CWARN(format, a...) CDEBUG_LIMIT(D_WARNING, format, ## a)
-#define CERROR(format, a...) CDEBUG_LIMIT(D_ERROR, format, ## a)
-#define CEMERG(format, a...) CDEBUG_LIMIT(D_EMERG, format, ## a)
+#define CWARN(format, ...) CDEBUG_LIMIT(D_WARNING, format, ## __VA_ARGS__)
+#define CERROR(format, ...) CDEBUG_LIMIT(D_ERROR, format, ## __VA_ARGS__)
+#define CEMERG(format, ...) CDEBUG_LIMIT(D_EMERG, format, ## __VA_ARGS__)
-#define LCONSOLE(mask, format, a...) CDEBUG(D_CONSOLE | (mask), format, ## a)
-#define LCONSOLE_INFO(format, a...) CDEBUG_LIMIT(D_CONSOLE, format, ## a)
-#define LCONSOLE_WARN(format, a...) CDEBUG_LIMIT(D_CONSOLE | D_WARNING, format, ## a)
-#define LCONSOLE_ERROR_MSG(errnum, format, a...) CDEBUG_LIMIT(D_CONSOLE | D_ERROR, \
- "%x-%x: " format, errnum, LERRCHKSUM(errnum), ## a)
-#define LCONSOLE_ERROR(format, a...) LCONSOLE_ERROR_MSG(0x00, format, ## a)
+#define LCONSOLE(mask, format, ...) CDEBUG(D_CONSOLE | (mask), format, ## __VA_ARGS__)
+#define LCONSOLE_INFO(format, ...) CDEBUG_LIMIT(D_CONSOLE, format, ## __VA_ARGS__)
+#define LCONSOLE_WARN(format, ...) CDEBUG_LIMIT(D_CONSOLE | D_WARNING, format, ## __VA_ARGS__)
+#define LCONSOLE_ERROR_MSG(errnum, format, ...) CDEBUG_LIMIT(D_CONSOLE | D_ERROR, \
+ "%x-%x: " format, errnum, LERRCHKSUM(errnum), ## __VA_ARGS__)
+#define LCONSOLE_ERROR(format, ...) LCONSOLE_ERROR_MSG(0x00, format, ## __VA_ARGS__)
-#define LCONSOLE_EMERG(format, a...) CDEBUG(D_CONSOLE | D_EMERG, format, ## a)
+#define LCONSOLE_EMERG(format, ...) CDEBUG(D_CONSOLE | D_EMERG, format, ## __VA_ARGS__)
#ifdef CDEBUG_ENABLED
#define GOTO(label, rc) \
do { \
- long GOTO__ret = (long)(rc); \
- CDEBUG(D_TRACE,"Process leaving via %s (rc=%lu : %ld : %lx)\n", \
- #label, (unsigned long)GOTO__ret, (signed long)GOTO__ret,\
- (signed long)GOTO__ret); \
+ long_ptr_t GOTO__ret = (long_ptr_t)(rc); \
+ CDEBUG(D_TRACE,"Process leaving via %s (rc=" LPLU " : " LPLD \
+ " : " LPLX ")\n", #label, (ulong_ptr_t)GOTO__ret, \
+ GOTO__ret, GOTO__ret); \
goto label; \
} while (0)
#else
* if rc == NULL, we need to code as RETURN((void *)NULL), otherwise
* there will be a warning in osx.
*/
+#if defined(__GNUC__)
#define RETURN(rc) \
do { \
typeof(rc) RETURN__ret = (rc); \
EXIT_NESTING; \
return RETURN__ret; \
} while (0)
+#elif defined(_MSC_VER)
+#define RETURN(rc) \
+do { \
+ CDEBUG(D_TRACE, "Process leaving.\n"); \
+ EXIT_NESTING; \
+ return (rc); \
+} while (0)
+#else
+# error "Unkown compiler"
+#endif /* __GNUC__ */
#define ENTRY \
ENTRY_NESTING; \
};
#define DEBUG_MSG_DATA_INIT(cdls, subsystem, file, func, ln ) { \
- .msg_cdls = (cdls), \
- .msg_subsys = (subsystem), \
- .msg_file = (file), \
- .msg_fn = (func), \
- .msg_line = (ln) \
+ /* msg_cdls */ (cdls), \
+ /* msg_subsys */ (subsystem), \
+ /* msg_file */ (file), \
+ /* msg_fn */ (func), \
+ /* msg_line */ (ln) \
}
#define libcfs_debug_vmsg(cdls, subsys, mask, file, fn, line, format, args) \
libcfs_debug_vmsg2(cdls, subsys, mask, file, fn,line,format,args,NULL,NULL)
-#define libcfs_debug_msg(cdls, subsys, mask, file, fn, line, format, a...) \
- libcfs_debug_vmsg2(cdls, subsys, mask, file, fn,line,NULL,NULL,format, ##a)
+#define libcfs_debug_msg(cdls, subsys, mask, file, fn, line, format, ...) \
+ libcfs_debug_vmsg2(cdls, subsys, mask, file, fn,line,NULL,NULL,format, ## __VA_ARGS__)
#define cdebug_va(cdls, mask, file, func, line, fmt, args) do { \
CHECK_STACK(); \
(file), (func), (line), fmt, args); \
} while(0);
-#define cdebug(cdls, mask, file, func, line, fmt, a...) do { \
+#define cdebug(cdls, mask, file, func, line, fmt, ...) do { \
CHECK_STACK(); \
\
if (cdebug_show(mask, DEBUG_SUBSYSTEM)) \
libcfs_debug_msg(cdls, DEBUG_SUBSYSTEM, (mask), \
- (file), (func), (line), fmt, ## a); \
+ (file), (func), (line), fmt, ## __VA_ARGS__);\
} while(0);
extern void libcfs_assertion_failed(const char *expr, const char *file,
const char *fn, const int line);
+#if defined(HAVE_BGL_SUPPORT)
+#define DEBUG_FILE_PATH_DEFAULT "/bgl/ion/tmp/lustre-log"
+#elif defined(__arch_um__)
+#define DEBUG_FILE_PATH_DEFAULT "/r/tmp/lustre-log"
+#elif defined(__WINNT__)
+#define DEBUG_FILE_PATH_DEFAULT "\\SystemRoot\\temp\\lustre-log"
+#else
+#define DEBUG_FILE_PATH_DEFAULT "/tmp/lustre-log"
+#endif
#endif /* __LIBCFS_DEBUG_H__ */
--- /dev/null
+#if !defined(__GNUC__) && defined(_MSC_VER)
+#pragma warning(disable:4103)
+#pragma pack(push, 1)
+#endif
+
/*
* Timer
*/
-typedef void (cfs_timer_func_t)(unsigned long);
+typedef void (cfs_timer_func_t)(ulong_ptr_t);
void cfs_init_timer(cfs_timer_t *t);
void cfs_timer_init(cfs_timer_t *t, cfs_timer_func_t *func, void *arg);
*
* 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...) \
-({ \
+#define LASSERT(cond) \
+do { \
+ if (cond) \
+ ; \
+ else \
+ libcfs_assertion_failed( #cond , __FILE__, \
+ __FUNCTION__, __LINE__); \
+} while(0)
+
+#define LASSERTF(cond, fmt, ...) \
+do { \
if (cond) \
; \
else { \
libcfs_debug_msg(NULL, DEBUG_SUBSYSTEM, D_EMERG, \
__FILE__, __FUNCTION__,__LINE__, \
"ASSERTION(" #cond ") failed: " fmt, \
- ## a); \
+ ## __VA_ARGS__); \
LBUG(); \
} \
-})
-
+} while(0)
#else /* !LASSERT_CHECKED */
-#define LASSERT(cond) \
-({ \
- if (unlikely(!(cond))) \
- libcfs_assertion_failed(#cond , __FILE__, \
- __FUNCTION__, __LINE__); \
-})
+#define LASSERT(cond) \
+do { \
+ if (unlikely(!(cond))) \
+ libcfs_assertion_failed(#cond , __FILE__, \
+ __FUNCTION__, __LINE__); \
+} while(0)
-#define LASSERTF(cond, fmt, a...) \
-({ \
+#define LASSERTF(cond, fmt, ...) \
+do { \
if (unlikely(!(cond))) { \
libcfs_debug_msg(NULL, DEBUG_SUBSYSTEM, D_EMERG, \
__FILE__, __FUNCTION__,__LINE__, \
"ASSERTION(" #cond ") failed: " fmt, \
- ## a); \
+ ## __VA_ARGS__ ); \
LBUG(); \
} \
-})
-
+} while(0)
#endif /* !LASSERT_CHECKED */
#else /* !LIBCFS_DEBUG */
/* sizeof is to use expression without evaluating it. */
# define LASSERT(e) ((void)sizeof!!(e))
-# define LASSERTF(cond, fmt...) ((void)sizeof!!(cond))
+# define LASSERTF(cond, ...) ((void)sizeof!!(cond))
#endif /* !LIBCFS_DEBUG */
#ifdef INVARIANT_CHECK
# 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)
# endif
# else
# define LASSERT(e) ((void)sizeof!!(e))
-# define LASSERTF(cond, args...) ((void)sizeof!!(cond))
+# define LASSERTF(cond, ...) ((void)sizeof!!(cond))
# define LBUG() ((void)(0))
# define LINVRNT(exp) ((void)sizeof!!(exp))
# endif /* LIBCFS_DEBUG */
# define KLASSERT(e) ((void)0)
-# define printk(format, args...) printf (format, ## args)
+# define printk printf
# ifdef CRAY_XT3 /* buggy calloc! */
# define LIBCFS_ALLOC(ptr, size) \
do { \
* build go below this comment. Actual compiler/compiler version
* specific implementations come from the above header files
*/
-
+#ifdef __GNUC__
#define likely(x) __builtin_expect(!!(x), 1)
#define unlikely(x) __builtin_expect(!!(x), 0)
-
+#else
+#define likely(x) (!!(x))
+#define unlikely(x) (!!(x))
+#endif
/* !__KERNEL__ */
#endif
* value after conversion...
*
*/
-#define CLASSERT(cond) ({ switch(42) { case (cond): case 0: break; } })
+#define CLASSERT(cond) do {switch(42) {case (cond): case 0: break;}} while (0)
/* support decl needed both by kernel and liblustre */
int libcfs_isknown_lnd(int type);
static inline cfs_time_t cfs_time_add(cfs_time_t t, cfs_duration_t d)
{
- return t + d;
+ return (cfs_time_t)(t + d);
}
static inline cfs_duration_t cfs_time_sub(cfs_time_t t1, cfs_time_t t2)
{
- return t1 - t2;
+ return (cfs_time_t)(t1 - t2);
}
static inline int cfs_time_before(cfs_time_t t1, cfs_time_t t2)
--- /dev/null
+#if !defined(__GNUC__) && defined(_MSC_VER)
+#pragma warning(disable:4103)
+#pragma pack(pop)
+#endif
# define LPF64 "l"
#endif
+/*
+ * long_ptr_t & ulong_ptr_t, same to "long" for gcc
+ */
+# define LPLU "%lu"
+# define LPLD "%ld"
+# define LPLX "%#lx"
+
+/*
+ * pid_t
+ */
+# define LPPID "%d"
+
#ifdef HAVE_SIZE_T_LONG
# define LPSZ "%lu"
#else
struct cfs_stack_trace {
};
+/* long integer with size equal to pointer */
+typedef unsigned long ulong_ptr_t;
+typedef long long_ptr_t;
+
#ifndef WITH_WATCHDOG
#define WITH_WATCHDOG
#endif
* - down_write(x)
* - up_write(x)
*/
+#define fini_rwsem(s) do {} while(0)
/*
* rwlock_t (use Linux kernel's primitives)
#include <linux/config.h>
#endif
#include <linux/module.h>
+#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/version.h>
#include <linux/proc_fs.h>
retval == 0; condition met; we're good.
retval > 0; timed out.
*/
-#define cfs_waitq_wait_event_timeout(wq, condition, timeout) \
-({ \
- int __ret = 0; \
+#define cfs_waitq_wait_event_timeout(wq, condition, timeout, ret) \
+do { \
+ ret = 0; \
if (!(condition)) \
- __wait_event_timeout(wq, condition, timeout, __ret); \
- __ret; \
-})
+ __wait_event_timeout(wq, condition, timeout, ret); \
+} while (0)
#else
-#define cfs_waitq_wait_event_timeout wait_event_timeout
+#define cfs_waitq_wait_event_timeout(wq, condition, timeout, ret) \
+ ret = wait_event_timeout(wq, condition, timeout)
#endif
#ifndef wait_event_interruptible_timeout /* Only for RHEL3 2.4.21 kernel */
retval < 0; interrupted by signal.
retval > 0; timed out.
*/
-#define cfs_waitq_wait_event_interruptible_timeout(wq, condition, timeout) \
-({ \
- int __ret = 0; \
+#define cfs_waitq_wait_event_interruptible_timeout(wq, condition, timeout, ret)\
+do { \
+ ret = 0; \
if (!(condition)) \
__wait_event_interruptible_timeout(wq, condition, \
- timeout, __ret); \
- __ret; \
-})
+ timeout, ret); \
+} while (0)
#else
-#define cfs_waitq_wait_event_interruptible_timeout wait_event_interruptible_timeout
+#define cfs_waitq_wait_event_interruptible_timeout(wq, c, timeout, ret) \
+ ret = wait_event_interruptible_timeout(wq, c, timeout)
#endif
#endif
#endif
+# define cfs_wait_event_interruptible(wq, condition, ret) \
+ ret = wait_event_interruptible(wq, condition)
+# define cfs_wait_event_interruptible_exclusive(wq, condition, ret) \
+ ret = wait_event_interruptible(wq, condition)
+
#if defined(__arch_um__) && (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,20))
#define UML_PID(tsk) ((tsk)->thread.extern_pid)
#elif defined(__arch_um__) && (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
* using the generic single-entry routines.
*/
-#ifndef __WINNT__
#define prefetch(a) ((void)a)
-#else
-#define prefetch(a) ((void *)a)
-#endif
struct list_head {
struct list_head *next, *prev;
* @member: the name of the list_struct within the struct.
*/
#define list_entry(ptr, type, member) \
- ((type *)((char *)(ptr)-(unsigned long)(&((type *)0)->member)))
+ ((type *)((char *)(ptr)-(char *)(&((type *)0)->member)))
/**
* list_for_each - iterate over a list
#define NULL_P ((void *)0)
#endif
-#define CFS_HLIST_HEAD_INIT { .first = NULL_P }
-#define CFS_HLIST_HEAD(name) struct hlist_head name = { .first = NULL_P }
+#define CFS_HLIST_HEAD_INIT { NULL_P }
+#define CFS_HLIST_HEAD(name) struct hlist_head name = { NULL_P }
#define CFS_INIT_HLIST_HEAD(ptr) ((ptr)->first = NULL_P)
#define CFS_INIT_HLIST_NODE(ptr) ((ptr)->next = NULL_P, (ptr)->pprev = NULL_P)
#define hlist_entry(ptr, type, member) container_of(ptr,type,member)
#define hlist_for_each(pos, head) \
- for (pos = (head)->first; pos && ({ prefetch(pos->next); 1; }); \
+ for (pos = (head)->first; pos && (prefetch(pos->next), 1); \
pos = pos->next)
#define hlist_for_each_safe(pos, n, head) \
- for (pos = (head)->first; pos && ({ n = pos->next; 1; }); \
+ for (pos = (head)->first; pos && (n = pos->next, 1); \
pos = n)
/**
* @head: the head for your list.
*/
#define list_for_each_prev(pos, head) \
- for (pos = (head)->prev, prefetch(pos->prev); pos != (head); \
+ for (pos = (head)->prev, prefetch(pos->prev); pos != (head); \
pos = pos->prev, prefetch(pos->prev))
#endif /* list_for_each_prev */
n = list_entry(pos->member.next, typeof(*pos), member); \
&pos->member != (head); \
pos = n, n = list_entry(n->member.next, typeof(*n), member))
+
#endif /* list_for_each_entry_safe */
#ifndef list_for_each_entry_safe_from
* Iterate over list of given type from current point, safe against
* removal of list entry.
*/
-#define list_for_each_entry_safe_from(pos, n, head, member) \
- for (n = list_entry(pos->member.next, typeof(*pos), member); \
- &pos->member != (head); \
+#define list_for_each_entry_safe_from(pos, n, head, member) \
+ for (n = list_entry(pos->member.next, typeof(*pos), member); \
+ &pos->member != (head); \
pos = n, n = list_entry(n->member.next, typeof(*n), member))
#endif /* list_for_each_entry_safe_from */
+#define cfs_list_for_each_entry_typed(pos, head, type, member) \
+ for (pos = list_entry((head)->next, type, member), \
+ prefetch(pos->member.next); \
+ &pos->member != (head); \
+ pos = list_entry(pos->member.next, type, member), \
+ prefetch(pos->member.next))
+
+#define cfs_list_for_each_entry_reverse_typed(pos, head, type, member) \
+ for (pos = list_entry((head)->prev, type, member); \
+ prefetch(pos->member.prev), &pos->member != (head); \
+ pos = list_entry(pos->member.prev, type, member))
+
+#define cfs_list_for_each_entry_safe_typed(pos, n, head, type, member) \
+ for (pos = list_entry((head)->next, type, member), \
+ n = list_entry(pos->member.next, type, member); \
+ &pos->member != (head); \
+ pos = n, n = list_entry(n->member.next, type, member))
+
+#define cfs_list_for_each_entry_safe_from_typed(pos, n, head, type, member) \
+ for (n = list_entry(pos->member.next, type, member); \
+ &pos->member != (head); \
+ pos = n, n = list_entry(n->member.next, type, member))
+#define cfs_hlist_for_each_entry_typed(tpos, pos, head, type, member) \
+ for (pos = (head)->first; \
+ pos && (prefetch(pos->next), 1) && \
+ (tpos = hlist_entry(pos, type, member), 1); \
+ pos = pos->next)
+
+#define cfs_hlist_for_each_entry_safe_typed(tpos, pos, n, head, type, member)\
+ for (pos = (head)->first; \
+ pos && (n = pos->next, 1) && \
+ (tpos = hlist_entry(pos, type, member), 1); \
+ pos = n)
+
#endif /* __LIBCFS_LUSTRE_LIST_H__ */
#ifndef __LIBCFS_POSIX_LIBCFS_H__
#define __LIBCFS_POSIX_LIBCFS_H__
+#include <errno.h>
#include <sys/errno.h>
#include <string.h>
#include <stdarg.h>
#include <stdlib.h>
#include <sys/mman.h>
#include <sys/stat.h>
-#include <unistd.h>
#include <fcntl.h>
#include <limits.h>
#include <assert.h>
+#include <sys/ioctl.h>
#include <sys/signal.h>
#include <signal.h>
#include <sys/time.h>
#include <time.h>
+#include <getopt.h>
+#include <signal.h>
+#include <pwd.h>
+#include <sys/socket.h>
+#include <sys/utsname.h>
+#include <ctype.h>
+
+#ifdef HAVE_NETDB_H
+#include <netdb.h>
+#endif
+
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
#ifdef HAVE_LIBPTHREAD
#include <pthread.h>
if (list_empty(&root->list))
return NULL;
- list_for_each_entry(node, &root->list, _node)
+ cfs_list_for_each_entry_typed(node, &root->list,
+ struct radix_tree_node, _node)
if (node->index == idx)
return node;
typedef __signed__ long long __s64;
typedef unsigned long long __u64;
+/* long integer with size equal to pointer */
+typedef unsigned long ulong_ptr_t;
+typedef long long_ptr_t;
+
#endif
# error "No word size defined"
#endif
+/*
+ * long_ptr_t & ulong_ptr_t, same to "long" for gcc
+ */
+# define LPLU "%lu"
+# define LPLD "%ld"
+# define LPLX "%#lx"
+
+/*
+ * pid_t
+ */
+# define LPPID "%d"
+
#endif
typedef int (*cfs_wait_handler_t) (int timeout);
void set_completion_wait_handler(cfs_wait_handler_t *handler);
void init_completion(struct completion *c);
+void init_completion_module(cfs_wait_handler_t handler);
void complete(struct completion *c);
void wait_for_completion(struct completion *c);
int wait_for_completion_interruptible(struct completion *c);
int down_write_trylock(struct rw_semaphore *s);
void up_read(struct rw_semaphore *s);
void up_write(struct rw_semaphore *s);
+void fini_rwsem(struct rw_semaphore *s);
/*
* read-write lock : Need to be investigated more!!
**************************************************************************/
struct lock_class_key {
- ;
+ int foo;
};
static inline void lockdep_set_class(void *lock, struct lock_class_key *key)
/*
* Timer
*/
-#include <sys/time.h>
typedef struct {
struct list_head tl_list;
- void (*function)(unsigned long unused);
- unsigned long data;
+ void (*function)(ulong_ptr_t unused);
+ ulong_ptr_t data;
long expires;
} cfs_timer_t;
/*
* arithmetic
*/
+#ifndef do_div /* gcc only, platform-specific will override */
#define do_div(a,b) \
({ \
unsigned long remainder;\
(a) = (a) / (b); \
(remainder); \
})
+#endif
+
+/* utility libcfs init/fini entries */
+#ifdef __WINNT__
+extern int libcfs_arch_init(void);
+extern void libcfs_arch_cleanup(void);
+#else /* !__WINNT__ */
+static inline int libcfs_arch_init(void) {
+ return 0;
+}
+static inline void libcfs_arch_cleanup(void) {
+}
+/* __WINNT__ */
+#endif
+
+/* proc interface wrappers for non-win OS */
+#ifndef __WINNT__
+#define cfs_proc_open open
+#define cfs_proc_mknod mknod
+#define cfs_proc_ioctl ioctl
+#define cfs_proc_close close
+#define cfs_proc_read read
+#define cfs_proc_write write
+#define cfs_proc_fopen fopen
+#define cfs_proc_fclose fclose
+#define cfs_proc_fgets fgets
+/* !__WINNT__ */
+#endif
/* !__KERNEL__ */
#endif
int libcfs_sock_set_nagle(int fd, int nagle);
int libcfs_sock_set_bufsiz(int fd, int bufsiz);
int libcfs_sock_create(int *fdp);
+void libcfs_sock_release(int fd);
int libcfs_sock_bind_to_port(int fd, __u16 port);
int libcfs_sock_connect(int fd, __u32 ip, __u16 port);
int libcfs_sock_writev(int fd, const struct iovec *vector, int count);
typedef time_t cfs_fs_time_t;
typedef time_t cfs_time_t;
-typedef long cfs_duration_t;
+typedef time_t cfs_duration_t;
/* looks like linux */
#define time_after(a, b) ((long)(b) - (long)(a) < 0)
return time(NULL);
}
-static inline cfs_duration_t cfs_time_seconds(int seconds)
+static inline cfs_duration_t cfs_time_seconds(cfs_time_t seconds)
{
return seconds;
}
#include <errno.h>
#include <string.h>
#if HAVE_LIBPTHREAD
+#ifndef __WINNT__
#include <sys/ipc.h>
#include <sys/shm.h>
+#endif
#include <pthread.h>
typedef pthread_mutex_t l_mutex_t;
#ifndef __LIBCFS_WINNT_KP30_H__
#define __LIBCFS_WINNT_KP30_H__
-#include <libcfs/winnt/portals_compat25.h>
-#include <lnet/types.h>
-
#ifdef __KERNEL__
/* Module parameter support */
#define CFS_SYSFS_MODULE_PARM 0 /* no sysfs access to module parameters */
+#define cond_resched our_cond_resched
+void our_cond_resched();
-static inline void our_cond_resched()
-{
- schedule_timeout(1i64);
-}
-
-#ifdef CONFIG_SMP
-#define LASSERT_SPIN_LOCKED(lock) do {} while(0) /* XXX */
-#else
#define LASSERT_SPIN_LOCKED(lock) do {} while(0)
-#endif
+#define LASSERT_SEM_LOCKED(sem) LASSERT(down_trylock(sem) != 0)
+
+/* winnt panic */
+void libcfs_panic(char *msg);
+#define LIBCFS_PANIC(msg) libcfs_panic(msg)
+void libcfs_register_panic_notifier();
+void libcfs_unregister_panic_notifier();
-#error Need a winnt version of panic()
-#define LIBCFS_PANIC(msg) KeBugCheckEx(msg, (ULONG_PTR)NULL, (ULONG_PTR)NULL, (ULONG_PTR)NULL, (ULONG_PTR)NULL)
-#error libcfs_register_panic_notifier() missing
-#error libcfs_unregister_panic_notifier() missing
#define cfs_work_struct_t WORK_QUEUE_ITEM
#define cfs_prepare_work(tq, routine, contex)
#define printk DbgPrint
#define ptintf DbgPrint
+#define printk_ratelimit() (FALSE)
+#define vprintk(f, a) vDbgPrintEx(DPFLTR_IHVDRIVER_ID, DPFLTR_ERROR_LEVEL, f, a)
+ /* vDbgPrintEx only available on xp and later OS */
+#define cfs_assert ASSERT
#else /* !__KERNEL__ */
# include <cygwin-ioctl.h>
#endif
# include <time.h>
+#include <crtdbg.h>
+
+#define cfs_assert _ASSERT
#endif /* End of !__KERNEL__ */
__s64 lwte_when;
char *lwte_where;
void *lwte_task;
- long_ptr lwte_p1;
- long_ptr lwte_p2;
- long_ptr lwte_p3;
- long_ptr lwte_p4;
+ long_ptr_t lwte_p1;
+ long_ptr_t lwte_p2;
+ long_ptr_t lwte_p3;
+ long_ptr_t lwte_p4;
# if BITS_PER_LONG > 32
- long_ptr lwte_pad;
+ long_ptr_t lwte_pad;
# endif
} lwt_event_t;
/* ------------------------------------------------------------------ */
-#define IOCTL_LIBCFS_TYPE long_ptr
+#define IOCTL_LIBCFS_TYPE long_ptr_t
#ifdef __CYGWIN__
# ifndef BITS_PER_LONG
#if BITS_PER_LONG > 32
# define LI_POISON ((int)0x5a5a5a5a5a5a5a5a)
-# define LL_POISON ((long_ptr)0x5a5a5a5a5a5a5a5a)
-# define LP_POISON ((char *)(long_ptr)0x5a5a5a5a5a5a5a5a)
+# define LL_POISON ((long_ptr_t)0x5a5a5a5a5a5a5a5a)
+# define LP_POISON ((char *)(long_ptr_t)0x5a5a5a5a5a5a5a5a)
#else
# define LI_POISON ((int)0x5a5a5a5a)
-# define LL_POISON ((long_ptr)0x5a5a5a5a)
-# define LP_POISON ((char *)(long_ptr)0x5a5a5a5a)
+# define LL_POISON ((long_ptr_t)0x5a5a5a5a)
+# define LP_POISON ((char *)(long_ptr_t)0x5a5a5a5a)
#endif
-#if defined(__x86_64__)
-# define LPU64 "%I64u"
-# define LPD64 "%I64d"
-# define LPX64 "%I64x"
-# define LPSZ "%lu"
-# define LPSSZ "%ld"
-#elif (BITS_PER_LONG == 32 || __WORDSIZE == 32)
-# define LPU64 "%I64u"
-# define LPD64 "%I64d"
-# define LPX64 "%I64x"
-# define LPSZ "%u"
-# define LPSSZ "%d"
-#elif (BITS_PER_LONG == 64 || __WORDSIZE == 64)
-# define LPU64 "%I64u"
-# define LPD64 "%I64d"
-# define LPX64 "%I64x"
-# define LPSZ "%u"
-# define LPSSZ "%d"
-#endif
-#ifndef LPU64
-# error "No word size defined"
+#define LPF64 "%I64d"
+#define LPU64 "%I64u"
+#define LPD64 "%I64d"
+#define LPX64 "%#I64x"
+#define LPSZ "%lu"
+#define LPSSZ "%ld"
+
+/*
+ * long_ptr_t & ulong_ptr_t, same to "long" for linux
+ */
+#if _x86_
+# define LPLU "%u"
+# define LPLD "%d"
+# define LPLX "%#x"
+# define LPPID "%d"
+#else
+# define LPLU "%Ii64u"
+# define LPLD "%I64d"
+# define LPLX "%#I64x"
+# define LPPID "%d"
#endif
#endif
#endif
/* workgroud for VC compiler */
-#ifndef __FUNCTION__
-#define __FUNCTION__ "generic"
+#if _MSC_VER <= 1300
+#define __FUNCTION__ ("generic")
#endif
+#include <config.h>
#include <libcfs/winnt/winnt-types.h>
-#include <libcfs/portals_utils.h>
+#include <libcfs/list.h>
#include <libcfs/winnt/winnt-time.h>
#include <libcfs/winnt/winnt-lock.h>
#include <libcfs/winnt/winnt-mem.h>
#include <libcfs/winnt/winnt-tcpip.h>
#include <libcfs/winnt/kp30.h>
-struct ptldebug_header {
- __u32 ph_len;
- __u32 ph_flags;
- __u32 ph_subsys;
- __u32 ph_mask;
- __u32 ph_cpu_id;
- __u32 ph_sec;
- __u64 ph_usec;
- __u32 ph_stack;
- __u32 ph_pid;
- __u32 ph_extern_pid;
- __u32 ph_line_num;
-} __attribute__((packed));
-
#ifdef __KERNEL__
enum {
{
ULONG LowLimit, HighLimit;
- IoGetStackLimits(&LowLimit, &HighLimit);
+ IoGetStackLimits((PULONG_PTR)&LowLimit, (PULONG_PTR)&HighLimit);
ASSERT(HighLimit > LowLimit);
return (__u32) (HighLimit - LowLimit);
}
-#else
+
+/* disable watchdog */
+#undef WITH_WATCHDOG
+
+#else /* !__KERNEL__*/
+
+#include <libcfs/user-bitops.h>
+
static inline __u32 query_stack_size()
{
- return 4096;
+ return PAGE_SIZE; /* using one page in default */
}
-#endif
+#endif /* __KERNEL__*/
#ifndef THREAD_SIZE
# define THREAD_SIZE query_stack_size()
#define LUSTRE_TRACE_SIZE (THREAD_SIZE >> 5)
#ifdef __KERNEL__
-# ifdef __ia64__
-# define CDEBUG_STACK() (THREAD_SIZE - \
- ((ulong_ptr)__builtin_dwarf_cfa() & \
- (THREAD_SIZE - 1)))
-# else
-# define CDEBUG_STACK (IoGetRemainingStackSize())
-# error "This doesn't seem right; CDEBUG_STACK should grow with the stack"
-# endif /* __ia64__ */
-
-#define CHECK_STACK() \
-do { \
- unsigned long _stack = CDEBUG_STACK(); \
- \
- if (_stack > 3*THREAD_SIZE/4 && _stack > libcfs_stack) { \
- libcfs_stack = _stack; \
- libcfs_debug_msg(NULL, DEBUG_SUBSYSTEM, D_WARNING, \
- __FILE__, NULL, __LINE__, \
- "maximum lustre stack %lu\n", _stack); \
- } \
-} while (0)
+#define CDEBUG_STACK() (THREAD_SIZE - (__u32)IoGetRemainingStackSize())
+#define CHECK_STACK() do {} while(0)
#else /* !__KERNEL__ */
#define CHECK_STACK() do { } while(0)
#define CDEBUG_STACK() (0L)
#define LUSTRE_LNET_PID 12345
#define ENTRY_NESTING_SUPPORT (0)
-#define ENTRY_NESTING do {;} while (0)
-#define EXIT_NESTING do {;} while (0)
+#define ENTRY_NESTING do {} while (0)
+#define EXIT_NESTING do {} while (0)
#define __current_nesting_level() (0)
#endif /* _WINNT_LIBCFS_H */
-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
+/* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil; -*-
+ * vim:expandtab:shiftwidth=4:tabstop=4:
*
* GPL HEADER START
*
#ifndef __LIBCFS_WINNT_PORTALS_COMPAT_H__
#define __LIBCFS_WINNT_PORTALS_COMPAT_H__
+#ifdef __KERNEL__
+/*
+ * Signal
+ */
+#define SIGNAL_MASK_ASSERT() do {} while(0)
+#define SIGNAL_MASK_LOCK(task, flags) do {} while(0)
+#define SIGNAL_MASK_UNLOCK(task, flags) do {} while(0)
+#define USERMODEHELPER(path, argv, envp) do {} while(0)
+#define RECALC_SIGPENDING do {} while(0)
+#define CLEAR_SIGPENDING do {} while(0)
+#define CURRENT_SECONDS get_seconds()
+#endif
+#define ll_proc_dointvec(table, write, filp, buffer, lenp, ppos) \
+ proc_dointvec(table, write, filp, buffer, lenp)
+#define ll_proc_dostring(table, write, filp, buffer, lenp, ppos) \
+ proc_dostring(table, write, filp, buffer, lenp)
+#define LL_PROC_PROTO(name) \
+ name(cfs_sysctl_table_t *table, int write, struct file *filp, \
+ void __user *buffer, size_t *lenp)
+#define DECLARE_LL_PROC_PPOS_DECL loff_t *ppos = &filp->f_pos
#endif /* _PORTALS_COMPAT_H */
-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
+/* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil; -*-
+ * vim:expandtab:shiftwidth=4:tabstop=4
*
* GPL HEADER START
*
#define cfs_clear_flag(x,f) ((x) &= ~(f))
#endif
-
-static inline __u32 __do_div(__u32 * n, __u32 b)
+static inline __u32 do_div64(__u64 * n, __u64 b)
{
- __u32 mod;
+ __u64 mod;
mod = *n % b;
*n = *n / b;
- return mod;
+ return (__u32)mod;
}
-#define do_div(n,base) __do_div((__u32 *)&(n), (__u32) (base))
-
+#define do_div(n, b) do_div64(&(n), (__u64)b)
#ifdef __KERNEL__
#include <stdlib.h>
#include <libcfs/winnt/winnt-types.h>
char * strsep(char **s, const char *ct);
-static inline size_t strnlen(const char * s, size_t count) {
- size_t len = 0;
- while(len < count && s[len++]);
- return len;
-}
-char * ul2dstr(ulong_ptr address, char *buf, int len);
+char * ul2dstr(ulong_ptr_t address, char *buf, int len);
#define simple_strtol(a1, a2, a3) strtol(a1, a2, a3)
#define simple_strtoll(a1, a2, a3) (__s64)strtoull(a1, a2, a3)
unsigned long simple_strtoul(const char *cp,char **endp, unsigned int base);
+static inline int set_bit(int nr, void * addr)
+{
+ (((volatile ULONG *) addr)[nr >> 5]) |= (1UL << (nr & 31));
+ return *((int *) addr);
+}
+
static inline int test_bit(int nr, void * addr)
{
- return ((1UL << (nr & 31)) & (((volatile ULONG *) addr)[nr >> 5])) != 0;
+ return (int)(((1UL << (nr & 31)) & (((volatile ULONG *) addr)[nr >> 5])) != 0);
}
-static inline void clear_bit(int nr, void * addr)
+static inline int clear_bit(int nr, void * addr)
{
(((volatile ULONG *) addr)[nr >> 5]) &= (~(1UL << (nr & 31)));
+ return *((int *) addr);
}
+static inline int test_and_set_bit(int nr, volatile void *addr)
+{
+ int rc;
+ unsigned char mask;
+ volatile unsigned char *ADDR = addr;
-static inline void set_bit(int nr, void * addr)
+ ADDR += nr >> 3;
+ mask = 1 << (nr & 0x07);
+ rc = ((mask & *ADDR) != 0);
+ *ADDR |= mask;
+
+ return rc;
+}
+
+#define ext2_set_bit(nr,addr) (set_bit(nr, addr), 0)
+#define ext2_clear_bit(nr,addr) (clear_bit(nr, addr), 0)
+#define ext2_test_bit(nr,addr) test_bit(nr, addr)
+
+static inline int ffs(int x)
{
- (((volatile ULONG *) addr)[nr >> 5]) |= (1UL << (nr & 31));
+ int r = 1;
+
+ if (!x)
+ return 0;
+ if (!(x & 0xffff)) {
+ x >>= 16;
+ r += 16;
+ }
+ if (!(x & 0xff)) {
+ x >>= 8;
+ r += 8;
+ }
+ if (!(x & 0xf)) {
+ x >>= 4;
+ r += 4;
+ }
+ if (!(x & 3)) {
+ x >>= 2;
+ r += 2;
+ }
+ if (!(x & 1)) {
+ x >>= 1;
+ r += 1;
+ }
+ return r;
+}
+
+static inline unsigned long __ffs(unsigned long word)
+{
+ int num = 0;
+
+#if BITS_PER_LONG == 64
+ if ((word & 0xffffffff) == 0) {
+ num += 32;
+ word >>= 32;
+ }
+#endif
+ if ((word & 0xffff) == 0) {
+ num += 16;
+ word >>= 16;
+ }
+ if ((word & 0xff) == 0) {
+ num += 8;
+ word >>= 8;
+ }
+ if ((word & 0xf) == 0) {
+ num += 4;
+ word >>= 4;
+ }
+ if ((word & 0x3) == 0) {
+ num += 2;
+ word >>= 2;
+ }
+ if ((word & 0x1) == 0)
+ num += 1;
+ return num;
+}
+
+/**
+ * fls - find last (most-significant) bit set
+ * @x: the word to search
+ *
+ * This is defined the same way as ffs.
+ * Note fls(0) = 0, fls(1) = 1, fls(0x80000000) = 32.
+ */
+static inline
+int fls(int x)
+{
+ int r = 32;
+
+ if (!x)
+ return 0;
+ if (!(x & 0xffff0000u)) {
+ x <<= 16;
+ r -= 16;
+ }
+ if (!(x & 0xff000000u)) {
+ x <<= 8;
+ r -= 8;
+ }
+ if (!(x & 0xf0000000u)) {
+ x <<= 4;
+ r -= 4;
+ }
+ if (!(x & 0xc0000000u)) {
+ x <<= 2;
+ r -= 2;
+ }
+ if (!(x & 0x80000000u)) {
+ x <<= 1;
+ r -= 1;
+ }
+ return r;
+}
+
+static inline unsigned find_first_bit(const unsigned long *addr, unsigned size)
+{
+ unsigned x = 0;
+
+ while (x < size) {
+ unsigned long val = *addr++;
+ if (val)
+ return __ffs(val) + x;
+ x += (sizeof(*addr)<<3);
+ }
+ return x;
}
static inline void read_random(char *buf, int len)
{
- ULONG Seed = (ULONG) buf;
+ ULONG Seed = (ULONG)(ULONG_PTR) buf;
Seed = RtlRandom(&Seed);
while (len >0) {
if (len > sizeof(ULONG)) {
}
}
}
+
#define get_random_bytes(buf, len) read_random(buf, len)
/* do NOT use function or expression as parameters ... */
return 0;
}
-static int copy_to_user(void *to, void *from, int c)
+static int copy_to_user(void *to, const void *from, int c)
{
memcpy(to, from, c);
return 0;
}
+static unsigned long
+clear_user(void __user *to, unsigned long n)
+{
+ memset(to, 0, n);
+ return n;
+}
#define put_user(x, ptr) \
( \
#define num_physpages (64 * 1024)
-#define snprintf _snprintf
-#define vsnprintf _vsnprintf
+#else
+#define unlink _unlink
+#define close _close
+#define open _open
+#define fdopen _fdopen
+#define strdup _strdup
+#define fileno _fileno
+#define isattry _isattry
+#define stat _stat
#endif /* !__KERNEL__ */
int cfs_error_code(NTSTATUS);
+static inline int vsnprintf(char *buf, size_t cnt,
+ const char *fmt, va_list va)
+{
+ int rc;
+
+#ifdef TRUE /* using msvcrt from windkk 3790 */
+ rc = _vsnprintf(buf, cnt, fmt, va);
+#else
+ rc = _vsnprintf_s(buf, cnt, cnt, fmt, va);
+#endif
+ if (rc == -1)
+ return cnt;
+ return rc;
+}
+
+static inline int snprintf(char *buf, size_t cnt,
+ const char *fmt, ...)
+{
+ int rc;
+ va_list va;
+
+ va_start(va, fmt);
+ rc = vsnprintf(buf, cnt, fmt, va);
+ va_end(va);
+ return rc;
+}
+
#endif
#define NODEV 0
#define MKDEV(ma,mi) (((ma) << MINORBITS) | (mi))
+#define PATH_MAX (260)
#ifdef __KERNEL__
+/* linux/fs.h */
+
+#define MAY_EXEC 1
+#define MAY_WRITE 2
+#define MAY_READ 4
+#define MAY_APPEND 8
+
+#define FMODE_READ 1
+#define FMODE_WRITE 2
+
+/* Internal kernel extensions */
+#define FMODE_LSEEK 4
+#define FMODE_PREAD 8
+#define FMODE_PWRITE FMODE_PREAD /* These go hand in hand */
+
+/* File is being opened for execution. Primary users of this flag are
+ distributed filesystems that can use it to achieve correct ETXTBUSY
+ behavior for cross-node execution/opening_for_writing of files */
+#define FMODE_EXEC 16
+
+#define RW_MASK 1
+#define RWA_MASK 2
+#define READ 0
+#define WRITE 1
+#define READA 2 /* read-ahead - don't block if no resources */
+#define SWRITE 3 /* for ll_rw_block() - wait for buffer lock */
+#define SPECIAL 4 /* For non-blockdevice requests in request queue */
+#define READ_SYNC (READ | (1 << BIO_RW_SYNC))
+#define WRITE_SYNC (WRITE | (1 << BIO_RW_SYNC))
+#define WRITE_BARRIER ((1 << BIO_RW) | (1 << BIO_RW_BARRIER))
+
struct file_operations
{
- loff_t (*lseek)(struct file * file, loff_t offset, int origin);
+ struct module *owner;
+ loff_t (*llseek)(struct file * file, loff_t offset, int origin);
ssize_t (*read) (struct file * file, char * buf, size_t nbytes, loff_t *ppos);
ssize_t (*write)(struct file * file, const char * buffer,
size_t count, loff_t *ppos);
- int (*ioctl) (struct file *, unsigned int, ulong_ptr);
- int (*open) (struct file *);
- int (*release) (struct file *);
+ int (*ioctl) (struct file *, unsigned int, ulong_ptr_t);
+ int (*open) (struct inode*, struct file *);
+ int (*release) (struct inode*, struct file *);
};
struct file {
cfs_handle_t f_handle;
unsigned int f_flags;
mode_t f_mode;
- ulong_ptr f_count;
-
- //struct list_head f_list;
- //struct dentry * f_dentry;
-
- cfs_proc_entry_t * proc_dentry;
- cfs_file_operations_t * f_op;
+ __u32 f_count;
size_t f_size;
loff_t f_pos;
unsigned int f_uid, f_gid;
int f_error;
- ulong_ptr f_version;
+ __u32 f_version;
- void * private_data;
+ //struct list_head f_list;
+ struct dentry * f_dentry;
+
+ cfs_proc_entry_t * proc_dentry;
+ cfs_file_operations_t * f_op;
+ void * private_data;
+ struct inode * f_inode;
char f_name[1];
};
int cfs_get_file(cfs_file_t *fp);
int cfs_put_file(cfs_file_t *fp);
int cfs_file_count(cfs_file_t *fp);
-
-
-
+#define cfs_filp_unlink(x, y) (KdBreakPoint(),0)
/*
* CFS_FLOCK routines
*/
#define ATTR_RAW 0x0800 /* file system, not vfs will massage attrs */
#define ATTR_FROM_OPEN 0x1000 /* called from open path, ie O_TRUNC */
//#define ATTR_CTIME_SET 0x2000
-#define ATTR_BLOCKS 0x4000
+
+/*
+ * set ATTR_BLOCKS to a high value to avoid any risk of collision with other
+ * ATTR_* attributes (see bug 13828): lustre/include/winnt/lustre_compat25.h
+ */
+/* #define ATTR_BLOCKS 0x4000 */
+#define ATTR_BLOCKS (1 << 27)
+
#define ATTR_KILL_SUID 0
#define ATTR_KILL_SGID 0
+
+
#define in_group_p(x) (0)
-/*
- * proc fs routines
+
+/* VFS structures for windows */
+
+/*
+ * inode formats
*/
-int proc_init_fs();
-void proc_destroy_fs();
+#define S_IFMT 00170000
+#define S_IFSOCK 0140000
+#define S_IFLNK 0120000
+#define S_IFREG 0100000
+#define S_IFBLK 0060000
+#define S_IFDIR 0040000
+#define S_IFCHR 0020000
+#define S_IFIFO 0010000
+#define S_ISUID 0004000
+#define S_ISGID 0002000
+#define S_ISVTX 0001000
+
+/* Inode flags - they have nothing to superblock flags now */
+
+#define S_SYNC 1 /* Writes are synced at once */
+#define S_NOATIME 2 /* Do not update access times */
+#define S_APPEND 4 /* Append-only file */
+#define S_IMMUTABLE 8 /* Immutable file */
+#define S_DEAD 16 /* removed, but still open directory */
+#define S_NOQUOTA 32 /* Inode is not counted to quota */
+#define S_DIRSYNC 64 /* Directory modifications are synchronous */
+#define S_NOCMTIME 128 /* Do not update file c/mtime */
+#define S_SWAPFILE 256 /* Do not truncate: swapon got its bmaps */
+#define S_PRIVATE 512 /* Inode is fs-internal */
+
+
+struct inode {
+ __u32 i_mode;
+ __u64 i_size;
+ __u64 i_blocks;
+ struct timespec i_atime;
+ struct timespec i_ctime;
+ struct timespec i_mtime;
+ struct timespec i_dtime;
+ __u32 i_ino;
+ __u32 i_generation;
+ __u32 i_state;
+ __u32 i_blkbits;
+ int i_uid;
+ int i_gid;
+ __u32 i_flags;
+ mutex_t i_sem;
+ void * i_priv;
+};
+#define I_FREEING 0x0001
-/*
- * misc
- */
+struct dentry {
+ atomic_t d_count;
+ struct {
+ int len;
+ char * name;
+ } d_name;
+ struct inode * d_inode;
+ struct dentry* d_parent;
+};
-static inline void *ERR_PTR(long_ptr error)
+extern struct dentry *dget(struct dentry *de);
+extern void dput(struct dentry *de);
+static __inline struct dentry *lookup_one_len(const char *name, struct dentry *de, int len)
{
- return (void *) error;
+ cfs_enter_debugger();
+ return NULL;
}
-static inline long_ptr PTR_ERR(const void *ptr)
+static inline loff_t i_size_read(const struct inode *inode)
{
- return (long_ptr) ptr;
+ cfs_enter_debugger();
+ return inode->i_size;
}
-static inline long_ptr IS_ERR(const void *ptr)
+static inline void i_size_write(struct inode *inode, loff_t i_size)
{
- return (ulong_ptr)ptr > (ulong_ptr)-1000L;
+ cfs_enter_debugger();
+ inode->i_size = i_size;
}
+struct kstatfs {
+ u64 f_type;
+ long f_bsize;
+ u64 f_blocks;
+ u64 f_bfree;
+ u64 f_bavail;
+ u64 f_files;
+ u64 f_ffree;
+ __u32 f_fsid;
+ long f_namelen;
+ long f_frsize;
+ long f_spare[5];
+};
+
+struct super_block {
+ void * s_fs_info;
+};
+
+struct vfsmount {
+ struct dentry * pwd;
+ struct dentry * mnt_root;
+ struct super_block *mnt_sb;
+};
+
+
+/*
+ * quota definitions (linux/quota.h)
+ */
+
+#define MAXQUOTAS 2
+#define USRQUOTA 0 /* element used for user quotas */
+#define GRPQUOTA 1 /* element used for group quotas */
+
+
+/*
+ * proc fs routines
+ */
+
+typedef int (read_proc_t)(char *page, char **start, off_t off,
+ int count, int *eof, void *data);
+
+struct file; /* forward ref */
+typedef int (write_proc_t)(struct file *file, const char *buffer,
+ unsigned long count, void *data);
+
+void proc_destory_subtree(cfs_proc_entry_t *entry);
+
+int proc_init_fs();
+void proc_destroy_fs();
+
+/*
+ * thread affinity
+ */
+
+HANDLE cfs_open_current_thread();
+void cfs_close_thread_handle(HANDLE handle);
+KAFFINITY cfs_query_thread_affinity();
+int cfs_set_thread_affinity(KAFFINITY affinity);
+int cfs_tie_thread_to_cpu(int cpu);
+typedef PVOID mm_segment_t;
+
+/*
+ * thread priority
+ */
+int cfs_set_thread_priority(KPRIORITY priority);
+
+#define MAKE_MM_SEG(s) ((mm_segment_t)(ulong_ptr_t)(s))
+#define KERNEL_DS MAKE_MM_SEG(0xFFFFFFFFUL)
+#define USER_DS MAKE_MM_SEG(PAGE_OFFSET)
+
+#define get_ds() (KERNEL_DS)
+#define set_fs(x) do {} while(0)
+#define get_fs() (NULL)
+
+/*
+ * radix tree (linux/radix_tree.h)
+ */
+
+/* radix tree root structure */
+struct radix_tree_root {
+ RTL_GENERIC_TABLE table;
+};
+
+/* #define RADIX_TREE_INIT(mask) {0}
+
+#define RADIX_TREE(name, mask) \
+ struct radix_tree_root name RADIX_TREE_INIT(mask) */
+
+VOID RadixInitTable(IN PRTL_GENERIC_TABLE Table);
+#define INIT_RADIX_TREE(root, mask) RadixInitTable(&((root)->table))
+
+/* all radix tree routines should be protected by external locks */
+unsigned int
+radix_tree_gang_lookup(struct radix_tree_root *root, void **results,
+ unsigned long first_index, unsigned int max_items);
+void *radix_tree_lookup(struct radix_tree_root *root, unsigned long index);
+int radix_tree_insert(struct radix_tree_root *root,unsigned long index, void *item);
+void *radix_tree_delete(struct radix_tree_root *root, unsigned long index);
+
+struct rcu_head {
+ int foo;
+};
+
#else /* !__KERNEL__ */
+#if !defined(_WINDOWS_)
+
#define CREATE_NEW 1
#define CREATE_ALWAYS 2
#define OPEN_EXISTING 3
);
NTSYSAPI
+DWORD
+NTAPI
+GetLastError(
+ VOID
+ );
+
+NTSYSAPI
HANDLE
NTAPI
CreateFileMappingA(
UnmapViewOfFile(
IN PVOID lpBaseAddress
);
+#endif
#endif /* __KERNEL__ */
void *d;
} cfs_dentry_t;
+/*
+ * misc
+ */
+
+#define ERR_PTR(error) ((void *)(long_ptr_t)(error))
+#define PTR_ERR(ptr) ((long)(long_ptr_t) (ptr))
+#define IS_ERR(ptr) ((long)(((ulong_ptr_t) (ptr)) > (ulong_ptr_t)(-1000L)))
#endif /* __LIBCFS_WINNT_CFS_FS_H__*/
/*
- * nt specific part ...
+ * IMPORTANT !!!!!!!!
+ *
+ * All locks' declaration are not guaranteed to be initialized,
+ * Althought some of they are initialized in Linux. All locks
+ * declared by CFS_DECL_* should be initialized explicitly.
+ */
+
+/*
+ * spinlock & event definitions
*/
+typedef struct spin_lock spinlock_t;
/* atomic */
int FASTCALL atomic_dec_and_test(atomic_t *v);
int FASTCALL atomic_inc_and_test(atomic_t *v);
+int FASTCALL atomic_add_return(int i, atomic_t *v);
+int FASTCALL atomic_sub_return(int i, atomic_t *v);
+
+#define atomic_inc_return(v) atomic_add_return(1, v)
+#define atomic_dec_return(v) atomic_sub_return(1, v)
+
+int FASTCALL atomic_dec_and_lock(atomic_t *v, spinlock_t *lock);
/* event */
}
/*
- * cfs_wait_event
+ * cfs_wait_event_internal
* To wait on an event to syncrhonize the process
*
* Arguments:
*/
static inline int64_t
-cfs_wait_event(event_t * event, int64_t timeout)
+cfs_wait_event_internal(event_t * event, int64_t timeout)
{
NTSTATUS Status;
LARGE_INTEGER TimeOut;
KeResetEvent(event);
}
-
-/*
- * IMPORTANT !!!!!!!!
- *
- * All locks' declaration are not guaranteed to be initialized,
- * Althought some of they are initialized in Linux. All locks
- * declared by CFS_DECL_* should be initialized explicitly.
- */
-
-
/*
* spin lock defintions / routines
*/
*
*/
-typedef struct spin_lock {
-
+struct spin_lock {
KSPIN_LOCK lock;
KIRQL irql;
-
-} spinlock_t;
-
+};
#define CFS_DECL_SPIN(name) spinlock_t name;
#define CFS_DECL_SPIN_EXTERN(name) extern spinlock_t name;
+#define SPIN_LOCK_UNLOCKED {0}
static inline void spin_lock_init(spinlock_t *lock)
{
KeInitializeSpinLock(&(lock->lock));
}
-
static inline void spin_lock(spinlock_t *lock)
{
KeAcquireSpinLock(&(lock->lock), &(lock->irql));
}
+static inline void spin_lock_nested(spinlock_t *lock, unsigned subclass)
+{
+ KeAcquireSpinLock(&(lock->lock), &(lock->irql));
+}
+
static inline void spin_unlock(spinlock_t *lock)
{
KIRQL irql = lock->irql;
no way to identify the system is MP build or UP build
on the runtime. We just uses a workaround for it. */
-extern int MPSystem;
+extern int libcfs_mp_system;
static int spin_trylock(spinlock_t *lock)
{
KeRaiseIrql(DISPATCH_LEVEL, &Irql);
- if (MPSystem) {
- if (0 == (ulong_ptr)lock->lock) {
+ if (libcfs_mp_system) {
+ if (0 == (ulong_ptr_t)lock->lock) {
#if _X86_
__asm {
mov edx, dword ptr [ebp + 8]
return rc;
}
+static int spin_is_locked(spinlock_t *lock)
+{
+#if _WIN32_WINNT >= 0x502
+ /* KeTestSpinLock only avalilable on 2k3 server or later */
+ return (!KeTestSpinLock(&lock->lock));
+#else
+ return (int) (lock->lock);
+#endif
+}
+
/* synchronization between cpus: it will disable all DPCs
kernel task scheduler on the CPU */
#define spin_lock_bh(x) spin_lock(x)
#define CFS_DECL_RWSEM(name) rw_semaphore_t name
#define CFS_DECL_RWSEM_EXTERN(name) extern rw_semaphore_t name
-
+#define DECLARE_RWSEM CFS_DECL_RWSEM
/*
* init_rwsem
{
ExInitializeResourceLite(&s->rwsem);
}
-
+#define rwsem_init init_rwsem
/*
* fini_rwsem
{
ExDeleteResourceLite(&s->rwsem);
}
+#define rwsem_fini fini_rwsem
/*
* down_read
{
ExAcquireResourceSharedLite(&s->rwsem, TRUE);
}
+#define down_read_nested down_read
/*
{
ExAcquireResourceExclusiveLite(&(s->rwsem), TRUE);
}
-
+#define down_write_nested down_write
/*
* down_write_trylock
#define read_lock_irqsave(l, f) do {f=0; read_lock(l);} while(0)
#define read_unlock_irqrestore(l, f) do {read_unlock(l);} while(0)
+#define write_lock_bh write_lock
+#define write_unlock_bh write_unlock
+
+struct lock_class_key {int foo;};
+#define lockdep_set_class(lock, class) do {} while(0)
/*
* Semaphore
* - __up(x)
*/
-typedef struct semaphore {
+struct semaphore{
KSEMAPHORE sem;
-} mutex_t;
+};
static inline void sema_init(struct semaphore *s, int val)
{
KernelMode, FALSE, NULL );
}
-
static inline void __up(struct semaphore *s)
{
KeReleaseSemaphore(&s->sem, 0, 1, FALSE);
}
+static inline int down_trylock(struct semaphore * s)
+{
+ LARGE_INTEGER timeout = {0};
+ NTSTATUS status =
+ KeWaitForSingleObject( &(s->sem), Executive,
+ KernelMode, FALSE, &timeout);
+
+ if (status == STATUS_SUCCESS) {
+ return 0;
+ }
+
+ return 1;
+}
+
/*
* mutex_t:
*
* - mutex_down(x)
*/
+#define mutex semaphore
+typedef struct semaphore mutex_t;
+
+#define DECLARE_MUTEX(x) mutex_t x
/*
* init_mutex
* Notes:
* N/A
*/
-
+#define mutex_init init_mutex
static inline void init_mutex(mutex_t *mutex)
{
sema_init(mutex, 1);
}
-
+#define init_MUTEX init_mutex
/*
* mutex_down
* To acquire the mutex lock
__down(mutex);
}
+#define mutex_lock(m) mutex_down(m)
+#define mutex_trylock(s) down_trylock(s)
+#define mutex_lock_nested(m) mutex_down(m)
+#define down(m) mutex_down(m)
/*
* mutex_up
__up(mutex);
}
+#define mutex_unlock(m) mutex_up(m)
+#define up(m) mutex_up(m)
/*
* init_mutex_locked
* N/A
*/
-static inline init_mutex_locked(mutex_t *mutex)
+static inline void init_mutex_locked(mutex_t *mutex)
{
init_mutex(mutex);
mutex_down(mutex);
}
+#define init_MUTEX_LOCKED init_mutex_locked
+
+static inline void mutex_destroy(mutex_t *mutex)
+{
+}
+
/*
* completion
*
static inline void wait_for_completion(struct completion *c)
{
- cfs_wait_event(&(c->event), 0);
+ cfs_wait_event_internal(&(c->event), 0);
}
-/* __KERNEL__ */
-#else
-
-#include "../user-lock.h"
+static inline int wait_for_completion_interruptible(struct completion *c)
+{
+ cfs_wait_event_internal(&(c->event), 0);
+ return 0;
+}
-/* __KERNEL__ */
-#endif
+#else /* !__KERNEL__ */
+#endif /* !__KERNEL__ */
#endif
#error Do not #include this file directly. #include <libcfs/libcfs.h> instead
#endif
+#include <libcfs/winnt/portals_utils.h>
+
#ifdef __KERNEL__
+typedef struct cfs_mem_cache cfs_mem_cache_t;
+
+/*
+ * page definitions
+ */
+
#define CFS_PAGE_SIZE PAGE_SIZE
#define CFS_PAGE_SHIFT PAGE_SHIFT
#define CFS_PAGE_MASK (~(PAGE_SIZE - 1))
typedef struct cfs_page {
void * addr;
atomic_t count;
+ void * private;
+ void * mapping;
+ __u32 index;
+ __u32 flags;
} cfs_page_t;
+#define page cfs_page
+
+#ifndef page_private
+#define page_private(page) ((page)->private)
+#define set_page_private(page, v) ((page)->private = (v))
+#endif
+
+#define page_count(page) (0)
+
+#define PG_locked 0 /* Page is locked. Don't touch. */
+#define PG_error 1
+#define PG_referenced 2
+#define PG_uptodate 3
+
+#define PG_dirty 4
+#define PG_lru 5
+#define PG_active 6
+#define PG_slab 7 /* slab debug (Suparna wants this) */
+
+#define PG_owner_priv_1 8 /* Owner use. If pagecache, fs may use*/
+#define PG_arch_1 9
+#define PG_reserved 10
+#define PG_private 11 /* If pagecache, has fs-private data */
+
+#define PG_writeback 12 /* Page is under writeback */
+#define PG_compound 14 /* Part of a compound page */
+#define PG_swapcache 15 /* Swap page: swp_entry_t in private */
+
+#define PG_mappedtodisk 16 /* Has blocks allocated on-disk */
+#define PG_reclaim 17 /* To be reclaimed asap */
+#define PG_buddy 19 /* Page is free, on buddy lists */
+
+#define PG_virt 31 /* addr is not */
+
+#ifndef arch_set_page_uptodate
+#define arch_set_page_uptodate(page)
+#endif
+
+/* Make it prettier to test the above... */
+#define UnlockPage(page) unlock_page(page)
+#define Page_Uptodate(page) test_bit(PG_uptodate, &(page)->flags)
+#define SetPageUptodate(page) \
+ do { \
+ arch_set_page_uptodate(page); \
+ set_bit(PG_uptodate, &(page)->flags); \
+ } while (0)
+#define ClearPageUptodate(page) clear_bit(PG_uptodate, &(page)->flags)
+#define PageDirty(page) test_bit(PG_dirty, &(page)->flags)
+#define SetPageDirty(page) set_bit(PG_dirty, &(page)->flags)
+#define ClearPageDirty(page) clear_bit(PG_dirty, &(page)->flags)
+#define PageLocked(page) test_bit(PG_locked, &(page)->flags)
+#define LockPage(page) set_bit(PG_locked, &(page)->flags)
+#define TryLockPage(page) test_and_set_bit(PG_locked, &(page)->flags)
+#define PageChecked(page) test_bit(PG_checked, &(page)->flags)
+#define SetPageChecked(page) set_bit(PG_checked, &(page)->flags)
+#define ClearPageChecked(page) clear_bit(PG_checked, &(page)->flags)
+#define PageLaunder(page) test_bit(PG_launder, &(page)->flags)
+#define SetPageLaunder(page) set_bit(PG_launder, &(page)->flags)
+#define ClearPageLaunder(page) clear_bit(PG_launder, &(page)->flags)
+#define ClearPageArch1(page) clear_bit(PG_arch_1, &(page)->flags)
+
+#define PageError(page) test_bit(PG_error, &(page)->flags)
+#define SetPageError(page) set_bit(PG_error, &(page)->flags)
+#define ClearPageError(page) clear_bit(PG_error, &(page)->flags)
+#define PageReferenced(page) test_bit(PG_referenced, &(page)->flags)
+#define SetPageReferenced(page) set_bit(PG_referenced, &(page)->flags)
+#define ClearPageReferenced(page) clear_bit(PG_referenced, &(page)->flags)
+
+#define PageActive(page) test_bit(PG_active, &(page)->flags)
+#define SetPageActive(page) set_bit(PG_active, &(page)->flags)
+#define ClearPageActive(page) clear_bit(PG_active, &(page)->flags)
+
+#define PageWriteback(page) test_bit(PG_writeback, &(page)->flags)
+#define TestSetPageWriteback(page) test_and_set_bit(PG_writeback, \
+ &(page)->flags)
+#define TestClearPageWriteback(page) test_and_clear_bit(PG_writeback, \
+ &(page)->flags)
+
+#define __GFP_FS (1)
+#define GFP_KERNEL (2)
+#define GFP_ATOMIC (4)
cfs_page_t *cfs_alloc_page(int flags);
void cfs_free_page(cfs_page_t *pg);
+void cfs_release_page(cfs_page_t *pg);
+cfs_page_t * virt_to_page(void * addr);
+cfs_page_t *cfs_alloc_pages(unsigned int flags, unsigned int order);
+void __cfs_free_pages(cfs_page_t *page, unsigned int order);
+int cfs_mem_is_in_cache(const void *addr, const cfs_mem_cache_t *kmem);
+
+#define page_cache_get(a) do {} while (0)
+#define page_cache_release(a) do {} while (0)
static inline void *cfs_page_address(cfs_page_t *page)
{
return atomic_read(&page->count);
}
+#define cfs_page_index(p) ((p)->index)
+
/*
* Memory allocator
*/
#define CFS_ALLOC_ATOMIC_TRY (0)
-
extern void *cfs_alloc(size_t nr_bytes, u_int32_t flags);
extern void cfs_free(void *addr);
+#define kmalloc cfs_alloc
+
extern void *cfs_alloc_large(size_t nr_bytes);
extern void cfs_free_large(void *addr);
/* The cache name is limited to 20 chars */
-typedef struct cfs_mem_cache {
-
+struct cfs_mem_cache {
char name[20];
- ulong_ptr flags;
+ ulong_ptr_t flags;
NPAGED_LOOKASIDE_LIST npll;
-
-} cfs_mem_cache_t;
+};
-extern cfs_mem_cache_t * cfs_mem_cache_create (const char *, size_t, size_t, ulong_ptr);
+extern cfs_mem_cache_t * cfs_mem_cache_create (const char *, size_t, size_t, unsigned long);
extern int cfs_mem_cache_destroy ( cfs_mem_cache_t * );
extern void *cfs_mem_cache_alloc ( cfs_mem_cache_t *, int);
extern void cfs_mem_cache_free ( cfs_mem_cache_t *, void *);
+/*
+ * shrinker
+ */
+typedef int (*shrink_callback)(int nr_to_scan, gfp_t gfp_mask);
+struct shrinker {
+ shrink_callback cb;
+ int seeks; /* seeks to recreate an obj */
+
+ /* These are for internal use */
+ struct list_head list;
+ long nr; /* objs pending delete */
+};
+
+struct shrinker * set_shrinker(int seeks, shrink_callback cb);
+void remove_shrinker(struct shrinker *s);
+
+int start_shrinker_timer();
+void stop_shrinker_timer();
/*
* Page allocator slabs
#define rmb() mb()
#define wmb() mb()
+/*
+ * MM defintions from (linux/mm.h)
+ */
-/* __KERNEL__ */
-#endif
+#define DEFAULT_SEEKS 2 /* shrink seek */
+
+#else /* !__KERNEL__ */
+
+#include "../user-mem.h"
+
+/* page alignmed buffer allocation */
+void* pgalloc(size_t factor);
+void pgfree(void * page);
+
+#endif /* __KERNEL__ */
#endif /* __WINNT_CFS_MEM_H__ */
#error Do not #include this file directly. #include <libcfs/libcfs.h> instead
#endif
-
/*
* libcfs proc device object
*/
-#define LUSTRE_PROC_DEVICE L"\\Device\\lproc" /* proc fs emulator device object */
-#define LUSTRE_PROC_SYMLNK L"\\DosDevices\\lproc" /* proc fs user-visible device */
+#define LUSTRE_PROC_DEVICE L"\\Device\\LNetProcFS" /* proc fs emulator device object */
+#define LUSTRE_PROC_SYMLNK L"\\DosDevices\\LNetProcFS" /* proc fs user-visible device */
/*
#define FILE_DEVICE_LIBCFS ('LC')
-#define FILE_DEVICE_LIBCFS ('LC')
-
#define FUNC_LIBCFS_VERSION 0x101 // get version of current libcfs
#define FUNC_LIBCFS_IOCTL 0x102 // Device i/o control to proc fs
CTL_CODE(FILE_DEVICE_LIBCFS, FUNC_LIBCFS_IOCTL, METHOD_BUFFERED, FILE_ANY_ACCESS)
#pragma pack(4)
-
typedef struct _CFS_PROC_IOCTL {
ULONG cmd; // ioctl command identifier
ULONG len; // length of data
+ int rc; // return code
+ ULONG usused; // unused
// UCHAR data[]; // content of the real ioctl
} CFS_PROC_IOCTL, *PCFS_PROC_IOCTL;
-
#pragma pack()
#ifdef __KERNEL__
-#include <libcfs/list.h>
+void cfs_enter_debugger(void);
+#define __builtin_return_address(x) (0)
/*
* Symbol functions for libcfs
extern void cfs_symbol_put(const char *);
extern void cfs_symbol_clean();
-
-
typedef struct file_operations cfs_file_operations_t;
typedef struct file cfs_file_t;
*/
typedef int cfs_read_proc_t(char *page, char **start, off_t off,
- int count, int *eof, void *data);
+ int count, int *eof, void *data);
typedef int cfs_write_proc_t(struct file *file, const char *buffer,
- ulong_ptr count, void *data);
+ unsigned long count, void *data);
#define CFS_PROC_ENTRY_MAGIC 'CPEM'
PRTL_SPLAY_LINKS root;
};
+ struct cfs_proc_entry *parent;
+
struct _file_entry { // proc file / leaf entry
cfs_read_proc_t * read_proc;
cfs_write_proc_t * write_proc;
mode_t mode;
unsigned short nlink;
+ BOOLEAN deleted;
- struct file_operations * proc_fops;
- void * data;
+ struct file_operations *proc_fops;
+ void *data;
// proc_dir_entry ended.
} cfs_proc_entry_t, cfs_proc_dir_entry_t;
typedef cfs_proc_entry_t cfs_proc_dir_entry_t;
+#define proc_dir_entry cfs_proc_entry
#define PROC_BLOCK_SIZE PAGE_SIZE
+struct proc_dir_entry *PDE(const struct inode *inode);
+
+
/*
* Sysctl register
*/
-typedef struct ctl_table cfs_sysctl_table_t;
-typedef struct ctl_table_header cfs_sysctl_table_header_t;
+typedef struct ctl_table cfs_sysctl_table_t;
+typedef struct ctl_table_header cfs_sysctl_table_header_t;
typedef int ctl_handler (
cfs_sysctl_table_t *table,
- int *name, int nlen,
- void *oldval, size_t *oldlenp,
- void *newval, size_t newlen,
- void **context );
+ int *name, int nlen,
+ void *oldval, size_t *oldlenp,
+ void *newval, size_t newlen,
+ void **context );
typedef int proc_handler (
cfs_sysctl_table_t *ctl,
int write, struct file * filp,
- void *buffer, size_t *lenp );
+ void *buffer, size_t *lenp );
int proc_dointvec(cfs_sysctl_table_t *table, int write, struct file *filp,
void *oldval, size_t *oldlenp,
void *newval, size_t newlen, void **context);
-
/*
* System io control definitions
*/
struct list_head ctl_entry;
};
+/* proc root entries, support routines */
+extern cfs_proc_entry_t * cfs_proc_root; /* / */
+extern cfs_proc_entry_t * cfs_proc_proc; /* /proc */
+extern cfs_proc_entry_t * cfs_proc_fs; /* /proc/fs */
+extern cfs_proc_entry_t * cfs_proc_sys; /* /proc/sys */
+extern cfs_proc_entry_t * cfs_proc_dev; /* /dev */
-cfs_proc_entry_t * create_proc_entry(char *name, mode_t mod,
+cfs_proc_entry_t * create_proc_entry(const char *name, mode_t mod,
cfs_proc_entry_t *parent);
void proc_free_entry(cfs_proc_entry_t *de);
-void remove_proc_entry(char *name, cfs_proc_entry_t *entry);
-cfs_proc_entry_t * search_proc_entry(char * name,
+void remove_proc_entry(const char *name, cfs_proc_entry_t *entry);
+cfs_proc_entry_t * search_proc_entry(const char * name,
cfs_proc_entry_t * root );
+cfs_proc_entry_t *proc_symlink(const char *name,
+ cfs_proc_entry_t *parent,
+ const char *dest);
+cfs_proc_entry_t *proc_mkdir(const char *name,
+ cfs_proc_entry_t *parent);
#define cfs_create_proc_entry create_proc_entry
#define cfs_free_proc_entry proc_free_entry
#define cfs_remove_proc_entry remove_proc_entry
-#define register_cfs_sysctl_table(t, a) register_sysctl_table(t, a)
-#define unregister_cfs_sysctl_table(t) unregister_sysctl_table(t, a)
+struct ctl_table_header *register_sysctl_table(cfs_sysctl_table_t * table,
+ int insert_at_head);
+void unregister_sysctl_table(struct ctl_table_header * header);
+
+#define cfs_register_sysctl_table(t, a) register_sysctl_table(t, a)
+#define cfs_unregister_sysctl_table(t) unregister_sysctl_table(t)
+
+/*
+ * seq device (linux/seq_file.h)
+ */
+
+
+/*
+ * seq file definitions
+ */
+
+struct dentry;
+struct vfsmount;
+
+struct path {
+ struct vfsmount *mnt;
+ struct dentry *dentry;
+};
+
+struct seq_operations;
+struct file;
+struct inode;
+
+struct seq_file {
+ char *buf;
+ size_t size;
+ size_t from;
+ size_t count;
+ loff_t index;
+ u32 version;
+ mutex_t lock;
+ const struct seq_operations *op;
+ void *private;
+};
+
+struct seq_operations {
+ void * (*start) (struct seq_file *m, loff_t *pos);
+ void (*stop) (struct seq_file *m, void *v);
+ void * (*next) (struct seq_file *m, void *v, loff_t *pos);
+ int (*show) (struct seq_file *m, void *v);
+};
+
+int seq_open(struct file *, const struct seq_operations *);
+ssize_t seq_read(struct file *, char __user *, size_t, loff_t *);
+loff_t seq_lseek(struct file *, loff_t, int);
+int seq_release(struct inode *, struct file *);
+int seq_escape(struct seq_file *, const char *, const char *);
+int seq_putc(struct seq_file *m, char c);
+int seq_puts(struct seq_file *m, const char *s);
+
+int seq_printf(struct seq_file *, const char *, ...)
+ __attribute__ ((format (printf,2,3)));
+int seq_path(struct seq_file *, struct path *, char *);
+
+int single_open(struct file *, int (*)(struct seq_file *, void *), void *);
+int single_release(struct inode *, struct file *);
+void *__seq_open_private(struct file *, const struct seq_operations *, int);
+int seq_open_private(struct file *, const struct seq_operations *, int);
+int seq_release_private(struct inode *, struct file *);
+
+#define SEQ_START_TOKEN ((void *)1)
+
+/*
+ * Helpers for iteration over list_head-s in seq_files
+ */
+
+extern struct list_head *seq_list_start(struct list_head *head,
+ loff_t pos);
+extern struct list_head *seq_list_start_head(struct list_head *head,
+ loff_t pos);
+extern struct list_head *seq_list_next(void *v, struct list_head *head,
+ loff_t *ppos);
/*
* declaration of proc kernel process routines
int
lustre_do_ioctl( cfs_file_t * fh,
unsigned long cmd,
- ulong_ptr arg );
+ ulong_ptr_t arg );
int
lustre_ioctl_file( cfs_file_t * fh,
size_t
lustre_read_file( cfs_file_t * fh,
- loff_t off,
+ loff_t offl,
size_t size,
char * buf
);
#define CFS_TASK_INTERRUPTIBLE 0x00000001
#define CFS_TASK_UNINT 0x00000002
#define CFS_TASK_RUNNING 0x00000003
-
+#define CFS_TASK_UNINTERRUPTIBLE CFS_TASK_UNINT
#define CFS_WAITQ_MAGIC 'CWQM'
#define CFS_WAITLINK_MAGIC 'CWLM'
#define CFS_DECL_WAITQ(name) cfs_waitq_t name
-
-void cfs_waitq_init(struct cfs_waitq *waitq);
-void cfs_waitlink_init(struct cfs_waitlink *link);
-
-void cfs_waitq_add(struct cfs_waitq *waitq, struct cfs_waitlink *link);
-void cfs_waitq_add_exclusive(struct cfs_waitq *waitq,
- struct cfs_waitlink *link);
-void cfs_waitq_del(struct cfs_waitq *waitq, struct cfs_waitlink *link);
-int cfs_waitq_active(struct cfs_waitq *waitq);
-
-void cfs_waitq_signal(struct cfs_waitq *waitq);
-void cfs_waitq_signal_nr(struct cfs_waitq *waitq, int nr);
-void cfs_waitq_broadcast(struct cfs_waitq *waitq);
-
-void cfs_waitq_wait(struct cfs_waitlink *link, cfs_task_state_t state);
-cfs_duration_t cfs_waitq_timedwait(struct cfs_waitlink *link,
- cfs_task_state_t state, cfs_duration_t timeout);
-
-
-
/* Kernel thread */
typedef int (*cfs_thread_t) (void *arg);
} cfs_thread_context_t;
int cfs_kernel_thread(int (*func)(void *), void *arg, int flag);
+#define kernel_thread cfs_kernel_thread
/*
* thread creation flags from Linux, not used in winnt
/*
- * sigset ...
+ * group_info: linux/sched.h
*/
+#define NGROUPS_SMALL 32
+#define NGROUPS_PER_BLOCK ((int)(PAGE_SIZE / sizeof(gid_t)))
+struct group_info {
+ int ngroups;
+ atomic_t usage;
+ gid_t small_block[NGROUPS_SMALL];
+ int nblocks;
+ gid_t *blocks[0];
+};
-typedef sigset_t cfs_sigset_t;
+#define get_group_info(group_info) do { \
+ atomic_inc(&(group_info)->usage); \
+} while (0)
+
+#define put_group_info(group_info) do { \
+ if (atomic_dec_and_test(&(group_info)->usage)) \
+ groups_free(group_info); \
+} while (0)
+
+static __inline struct group_info *groups_alloc(int gidsetsize)
+{
+ struct group_info * groupinfo;
+ KdPrint(("%s(%d): %s NOT implemented.\n", __FILE__, __LINE__, __FUNCTION__));
+ groupinfo = (struct group_info *)cfs_alloc(sizeof(struct group_info), 0);
+ if (groupinfo) {
+ memset(groupinfo, 0, sizeof(struct group_info));
+ }
+ return groupinfo;
+}
+static __inline void groups_free(struct group_info *group_info)
+{
+ KdPrint(("%s(%d): %s NOT implemented.\n", __FILE__, __LINE__, __FUNCTION__));
+ cfs_free(group_info);
+}
+static __inline int set_current_groups(struct group_info *group_info) {
+ KdPrint(("%s(%d): %s NOT implemented.\n", __FILE__, __LINE__, __FUNCTION__));
+ return 0;
+}
+static __inline int groups_search(struct group_info *group_info, gid_t grp) {
+ KdPrint(("%s(%d): %s NOT implemented.\n", __FILE__, __LINE__, __FUNCTION__));
+ return 0;
+}
/*
- * Task struct
+ * capability issue (linux/capability.h)
*/
-#define MAX_SCHEDULE_TIMEOUT ((long_ptr)(~0UL>>12))
+/* Override resource limits. Set resource limits. */
+/* Override quota limits. */
+/* Override reserved space on ext2 filesystem */
+/* Modify data journaling mode on ext3 filesystem (uses journaling
+ resources) */
+/* NOTE: ext2 honors fsuid when checking for resource overrides, so
+ you can override using fsuid too */
+/* Override size restrictions on IPC message queues */
+/* Allow more than 64hz interrupts from the real-time clock */
+/* Override max number of consoles on console allocation */
+/* Override max number of keymaps */
+#define CAP_SYS_RESOURCE 24
-#define NGROUPS 1
-#define CFS_CURPROC_COMM_MAX (16)
-typedef struct task_sruct{
- mode_t umask;
+/*
+ * capabilities support
+ */
+
+typedef __u32 cfs_kernel_cap_t;
+
+#define cap_raise(c, flag) do {} while(0)
+#define cap_lower(c, flag) do {} while(0)
+#define cap_raised(c, flag) do {} while(0)
- pid_t pid;
- pid_t pgrp;
- uid_t uid,euid,suid,fsuid;
- gid_t gid,egid,sgid,fsgid;
+/*
+ * Task struct
+ */
+
+#define MAX_SCHEDULE_TIMEOUT ((long_ptr_t)(~0UL>>12))
+#define schedule_timeout(t) cfs_schedule_timeout(0, t)
- int ngroups;
- gid_t groups[NGROUPS];
- cfs_kernel_cap_t cap_effective,
- cap_inheritable,
- cap_permitted;
+struct vfsmount;
- char comm[CFS_CURPROC_COMM_MAX];
- void * journal_info;
+#define NGROUPS 1
+#define CFS_CURPROC_COMM_MAX (16)
+typedef struct task_sruct{
+ mode_t umask;
+ sigset_t blocked;
+
+ pid_t pid;
+ pid_t pgrp;
+
+ uid_t uid,euid,suid,fsuid;
+ gid_t gid,egid,sgid,fsgid;
+
+ int ngroups;
+ int cgroups;
+ gid_t groups[NGROUPS];
+ struct group_info *group_info;
+ cfs_kernel_cap_t cap_effective,
+ cap_inheritable,
+ cap_permitted;
+
+ char comm[CFS_CURPROC_COMM_MAX];
+ void *journal_info;
+ struct vfsmount *fs;
} cfs_task_t;
+static inline void task_lock(cfs_task_t *t)
+{
+}
+
+static inline void task_unlock(cfs_task_t *t)
+{
+}
/*
* linux task struct emulator ...
#define current cfs_current()
#define set_current_state(s) do {;} while (0)
-#define wait_event(wq, condition) \
-do { \
- cfs_waitlink_t __wait; \
- \
- cfs_waitlink_init(&__wait); \
- while (TRUE) { \
- cfs_waitq_add(&wq, &__wait); \
- if (condition) { \
- break; \
- } \
- cfs_waitq_wait(&__wait, CFS_TASK_INTERRUPTIBLE); \
- cfs_waitq_del(&wq, &__wait); \
- } \
- cfs_waitq_del(&wq, &__wait); \
+#define wait_event(wq, condition) \
+do { \
+ cfs_waitlink_t __wait; \
+ \
+ cfs_waitlink_init(&__wait); \
+ while (TRUE) { \
+ cfs_waitq_add(&wq, &__wait); \
+ if (condition) { \
+ break; \
+ } \
+ cfs_waitq_wait(&__wait, CFS_TASK_INTERRUPTIBLE); \
+ cfs_waitq_del(&wq, &__wait); \
+ } \
+ cfs_waitq_del(&wq, &__wait); \
} while(0)
-#define wait_event_interruptible(wq, condition, __ret) \
-do { \
- cfs_waitlink_t __wait; \
- \
- __ret = 0; \
- cfs_waitlink_init(&__wait); \
- while (TRUE) { \
- cfs_waitq_add(&wq, &__wait); \
- if (condition) { \
- break; \
- } \
- cfs_waitq_wait(&__wait, CFS_TASK_INTERRUPTIBLE); \
- cfs_waitq_del(&wq, &__wait); \
- } \
- cfs_waitq_del(&wq, &__wait); \
+#define cfs_wait_event_interruptible(wq, condition, __ret) \
+do { \
+ cfs_waitlink_t __wait; \
+ \
+ __ret = 0; \
+ cfs_waitlink_init(&__wait); \
+ while (TRUE) { \
+ cfs_waitq_add(&wq, &__wait); \
+ if (condition) { \
+ break; \
+ } \
+ cfs_waitq_wait(&__wait, CFS_TASK_INTERRUPTIBLE); \
+ cfs_waitq_del(&wq, &__wait); \
+ } \
+ cfs_waitq_del(&wq, &__wait); \
} while(0)
+# define cfs_wait_event_interruptible_exclusive(wq, condition, rc) \
+ cfs_wait_event_interruptible(wq, condition, rc)
+
+/*
+ retval == 0; condition met; we're good.
+ retval < 0; interrupted by signal.
+ retval > 0; timed out.
+*/
+
+#define cfs_waitq_wait_event_interruptible_timeout( \
+ wq, condition, timeout, rc) \
+do { \
+ cfs_waitlink_t __wait; \
+ \
+ rc = 0; \
+ cfs_waitlink_init(&__wait); \
+ while (TRUE) { \
+ cfs_waitq_add(&wq, &__wait); \
+ if (condition) { \
+ break; \
+ } \
+ if (cfs_waitq_timedwait(&__wait, \
+ CFS_TASK_INTERRUPTIBLE, timeout) == 0) { \
+ rc = TRUE; \
+ break; \
+ } \
+ cfs_waitq_del(&wq, &__wait); \
+ } \
+ cfs_waitq_del(&wq, &__wait); \
+} while(0)
+
+
+#define cfs_waitq_wait_event_timeout \
+ cfs_waitq_wait_event_interruptible_timeout
int init_task_manager();
void cleanup_task_manager();
cfs_task_t * cfs_current();
-int schedule_timeout(int64_t time);
-int schedule();
int wake_up_process(cfs_task_t * task);
-#define cfs_schedule_timeout(state, time) schedule_timeout(time)
void sleep_on(cfs_waitq_t *waitq);
-
+#define might_sleep() do {} while(0)
#define CFS_DECL_JOURNAL_DATA
#define CFS_PUSH_JOURNAL do {;} while(0)
#define CFS_POP_JOURNAL do {;} while(0)
#define __init
#endif
-#define request_module(x) (0)
+struct module {
+ const char *name;
+};
+
+extern struct module libcfs_global_module;
+#define THIS_MODULE &libcfs_global_module
+#define request_module(x) (0)
#define EXPORT_SYMBOL(s)
#define MODULE_AUTHOR(s)
#define MODULE_DESCRIPTION(s)
#define cfs_module(name, version, init, fini) \
module_init(init); \
module_exit(fini)
+#define module_refcount(x) (1)
+/*
+ * typecheck
+ */
+
+#define typecheck(a, b) do {} while(0)
/*
- * Linux kernel version definition
+ * linux/crypto.h
*/
-#define KERNEL_VERSION(a,b,c) ((a)*100+(b)*10+c)
-#define LINUX_VERSION_CODE (2*100+6*10+7)
+#define CRYPTO_MAX_ALG_NAME 64
+#define CRYPTO_TFM_MODE_ECB 0x00000001
+#define CRYPTO_TFM_MODE_CBC 0x00000002
+#define CRYPTO_TFM_MODE_CFB 0x00000004
+#define CRYPTO_TFM_MODE_CTR 0x00000008
+#define CRYPTO_TFM_MODE_EME 0x00000010
/*
- * Signal
+ * hash
*/
-#define SIGNAL_MASK_ASSERT()
+/* 2^31 + 2^29 - 2^25 + 2^22 - 2^19 - 2^16 + 1 */
+#define GOLDEN_RATIO_PRIME_32 0x9e370001UL
+
+#if 0 /* defined in libcfs/libcfs_hash.h */
+static inline u32 hash_long(u32 val, unsigned int bits)
+{
+ /* On some cpus multiply is faster, on others gcc will do shifts */
+ u32 hash = val * GOLDEN_RATIO_PRIME_32;
+
+ /* High bits are more random, so use them. */
+ return hash >> (32 - bits);
+}
+#endif
/*
* Timer
cfs_time_t deadline;
- void (*proc)(ulong_ptr);
+ void (*proc)(ulong_ptr_t);
void * arg;
} cfs_timer_t;
-
-typedef void (*timer_func_t)(ulong_ptr);
-
-#define cfs_init_timer(t)
-
-void cfs_timer_init(cfs_timer_t *timer, void (*func)(ulong_ptr), void *arg);
-void cfs_timer_done(cfs_timer_t *t);
-void cfs_timer_arm(cfs_timer_t *t, cfs_time_t deadline);
-void cfs_timer_disarm(cfs_timer_t *t);
-int cfs_timer_is_armed(cfs_timer_t *t);
-cfs_time_t cfs_timer_deadline(cfs_timer_t *t);
-
-
-/* deschedule for a bit... */
-static inline void cfs_pause(cfs_duration_t ticks)
-{
- cfs_schedule_timeout(TASK_UNINTERRUPTIBLE, ticks);
-}
-
-
-static inline void cfs_enter_debugger(void)
-{
-#if _X86_
- __asm int 3;
-#else
- KdBreakPoint();
-#endif
-}
-
/*
* libcfs globals initialization/cleanup
*/
libcfs_arch_cleanup(void);
/*
+ * cache alignment size
+ */
+
+#define L1_CACHE_ALIGN(x) (x)
+
+#define __cacheline_aligned
+
+/*
* SMP ...
*/
+
#define SMP_CACHE_BYTES 128
-#define __cacheline_aligned
-#define NR_CPUS (2)
-#define smp_processor_id() KeGetCurrentProcessorNumber()
-#define smp_num_cpus NR_CPUS
-#define num_online_cpus() smp_num_cpus
+#define NR_CPUS (32)
+#define smp_num_cpus ((CCHAR)KeNumberProcessors)
+#define num_possible_cpus() smp_num_cpus
+#define num_online_cpus() smp_num_cpus
+#define smp_processor_id() ((USHORT)KeGetCurrentProcessorNumber())
#define smp_call_function(f, a, n, w) do {} while(0)
+#define smp_rmb() do {} while(0)
/*
* Irp related
*/
-#define NR_IRQS 512
-#define in_interrupt() (0)
+#define NR_IRQS 512
+#define in_interrupt() (0)
/*
* printk flags
* Misc
*/
-
#define inter_module_get(n) cfs_symbol_get(n)
#define inter_module_put(n) cfs_symbol_put(n)
#define lock_kernel() do {} while(0)
#define unlock_kernel() do {} while(0)
-#define USERMODEHELPER(path, argv, envp) (0)
-
-
#define local_irq_save(x)
#define local_irq_restore(x)
-#define cfs_assert ASSERT
-
#define THREAD_NAME
-#else /* !__KERNEL__ */
+#define va_copy(_d, _s) (_d = _s)
-#define PAGE_CACHE_SIZE PAGE_SIZE
-#define PAGE_CACHE_MASK PAGE_MASK
+char *strnchr(const char *s, size_t count, int c);
-#define getpagesize() (PAGE_SIZE)
+#define adler32(a,b,l) zlib_adler32(a,b,l)
+ULONG zlib_adler32(ULONG adler, const BYTE *buf, UINT len);
+typedef ssize_t (*read_actor_t)();
-typedef struct {
- int foo;
-} pthread_mutex_t;
+#if DBG
+/*
+ * winnt debug routines
+ */
-typedef struct {
- int foo;
-} pthread_cond_t;
+VOID
+KsPrintf(
+ LONG DebugPrintLevel,
+ PCHAR DebugMessage,
+ ...
+ );
-#define pthread_mutex_init(x, y) do {} while(0)
-#define pthread_cond_init(x, y) do {} while(0)
+PUCHAR
+KsNtStatusToString (IN NTSTATUS Status);
+#endif
-#define pthread_mutex_lock(x) do {} while(0)
-#define pthread_mutex_unlock(x) do {} while(0)
+#else /* !__KERNEL__ */
-#define pthread_cond_wait(x,y) do {} while(0)
-#define pthread_cond_broadcast(x) do {} while(0)
+void cfs_enter_debugger();
-typedef struct file {
- int foo;
-} cfs_file_t;
+/*
+ * PAGE_SIZE ...
+ */
-typedef struct cfs_proc_dir_entry{
- void *data;
-}cfs_proc_dir_entry_t;
+#ifndef PAGE_SIZE
+#define PAGE_SIZE (4096)
+#endif
+#define getpagesize() (4096)
+#define PAGE_CACHE_SIZE PAGE_SIZE
+#define PAGE_CACHE_MASK PAGE_MASK
-#include "../user-prim.h"
+#define PTHREAD_MUTEX_INITIALIZER ((pthread_mutex_t) -1)
+#define PTHREAD_RECURSIVE_MUTEX_INITIALIZER ((pthread_mutex_t) -2)
+#define PTHREAD_ERRORCHECK_MUTEX_INITIALIZER ((pthread_mutex_t) -3)
+typedef struct file {
+ int foo;
+} cfs_file_t;
+
+#include "../user-prim.h"
+#include "../user-lock.h"
#include <sys/stat.h>
#include <sys/types.h>
#define strcasecmp strcmp
#define strncasecmp strncmp
-#define snprintf _snprintf
#define getpid() (0)
-
-#define getpwuid(x) (NULL)
+#define getuid() (0)
#define getgrgid(x) (NULL)
+struct passwd {
+ uid_t pw_uid;
+ char pw_name[64];
+};
+struct passwd * getpwuid(uid_t uid);
+
int cfs_proc_mknod(const char *path, mode_t mode, dev_t dev);
int gethostname(char * name, int namelen);
#define setlinebuf(x) do {} while(0)
-NTSYSAPI VOID NTAPI DebugBreak();
+/* Maximum EA Information Length */
+#define EA_MAX_LENGTH (sizeof(FILE_FULL_EA_INFORMATION) + 15)
+/*
+ * proc user mode routines
+ */
-static inline void cfs_enter_debugger(void)
-{
-#if _X86_
- __asm int 3;
+int cfs_proc_open (char * filename, int oflag);
+int cfs_proc_close(int fd);
+int cfs_proc_read(int fd, void *buffer, unsigned int count);
+int cfs_proc_write(int fd, void *buffer, unsigned int count);
+int cfs_proc_ioctl(int fd, int cmd, void *buffer);
+FILE *cfs_proc_fopen(char *path, char * mode);
+char *cfs_proc_fgets(char * buf, int len, FILE *fp);
+int cfs_proc_fclose(FILE *fp);
+
+/* Bits set in the FLAGS argument to `glob'. */
+#define GLOB_ERR (1 << 0)/* Return on read errors. */
+#define GLOB_MARK (1 << 1)/* Append a slash to each name. */
+#define GLOB_NOSORT (1 << 2)/* Don't sort the names. */
+#define GLOB_DOOFFS (1 << 3)/* Insert PGLOB->gl_offs NULLs. */
+#define GLOB_NOCHECK (1 << 4)/* If nothing matches, return the pattern. */
+#define GLOB_APPEND (1 << 5)/* Append to results of a previous call. */
+#define GLOB_NOESCAPE (1 << 6)/* Backslashes don't quote metacharacters. */
+#define GLOB_PERIOD (1 << 7)/* Leading `.' can be matched by metachars. */
+
+#if !defined __USE_POSIX2 || defined __USE_BSD || defined __USE_GNU
+# define GLOB_MAGCHAR (1 << 8)/* Set in gl_flags if any metachars seen. */
+# define GLOB_ALTDIRFUNC (1 << 9)/* Use gl_opendir et al functions. */
+# define GLOB_BRACE (1 << 10)/* Expand "{a,b}" to "a" "b". */
+# define GLOB_NOMAGIC (1 << 11)/* If no magic chars, return the pattern. */
+# define GLOB_TILDE (1 << 12)/* Expand ~user and ~ to home directories. */
+# define GLOB_ONLYDIR (1 << 13)/* Match only directories. */
+# define GLOB_TILDE_CHECK (1 << 14)/* Like GLOB_TILDE but return an error
+ if the user name is not available. */
+# define __GLOB_FLAGS (GLOB_ERR|GLOB_MARK|GLOB_NOSORT|GLOB_DOOFFS| \
+ GLOB_NOESCAPE|GLOB_NOCHECK|GLOB_APPEND| \
+ GLOB_PERIOD|GLOB_ALTDIRFUNC|GLOB_BRACE| \
+ GLOB_NOMAGIC|GLOB_TILDE|GLOB_ONLYDIR|GLOB_TILDE_CHECK)
#else
- DebugBreak();
+# define __GLOB_FLAGS (GLOB_ERR|GLOB_MARK|GLOB_NOSORT|GLOB_DOOFFS| \
+ GLOB_NOESCAPE|GLOB_NOCHECK|GLOB_APPEND| \
+ GLOB_PERIOD)
#endif
-}
-/* Maximum EA Information Length */
-#define EA_MAX_LENGTH (sizeof(FILE_FULL_EA_INFORMATION) + 15)
+/* Error returns from `glob'. */
+#define GLOB_NOSPACE 1 /* Ran out of memory. */
+#define GLOB_ABORTED 2 /* Read error. */
+#define GLOB_NOMATCH 3 /* No matches found. */
+#define GLOB_NOSYS 4 /* Not implemented. */
+#ifdef __USE_GNU
+/* Previous versions of this file defined GLOB_ABEND instead of
+ GLOB_ABORTED. Provide a compatibility definition here. */
+# define GLOB_ABEND GLOB_ABORTED
+#endif
+
+/* Structure describing a globbing run. */
+#ifdef __USE_GNU
+struct stat;
+#endif
+typedef struct
+ {
+ size_t gl_pathc; /* Count of paths matched by the pattern. */
+ char **gl_pathv; /* List of matched pathnames. */
+ size_t gl_offs; /* Slots to reserve in `gl_pathv'. */
+ int gl_flags; /* Set to FLAGS, maybe | GLOB_MAGCHAR. */
+
+ /* If the GLOB_ALTDIRFUNC flag is set, the following functions
+ are used instead of the normal file access functions. */
+ void (*gl_closedir) (void *);
+#ifdef __USE_GNU
+ struct dirent *(*gl_readdir) (void *);
+#else
+ void *(*gl_readdir) (void *);
+#endif
+ void *(*gl_opendir) (const char *);
+#ifdef __USE_GNU
+ int (*gl_lstat) (const char *__restrict, struct stat *__restrict);
+ int (*gl_stat) (const char *__restrict, struct stat *__restrict);
+#else
+ int (*gl_lstat) (const char *__restrict, void *__restrict);
+ int (*gl_stat) (const char *__restrict, void *__restrict);
+#endif
+ } glob_t;
+
+#ifdef __USE_LARGEFILE64
+# ifdef __USE_GNU
+struct stat64;
+# endif
+typedef struct
+ {
+ __size_t gl_pathc;
+ char **gl_pathv;
+ __size_t gl_offs;
+ int gl_flags;
+
+ /* If the GLOB_ALTDIRFUNC flag is set, the following functions
+ are used instead of the normal file access functions. */
+ void (*gl_closedir) (void *);
+# ifdef __USE_GNU
+ struct dirent64 *(*gl_readdir) (void *);
+# else
+ void *(*gl_readdir) (void *);
+# endif
+ void *(*gl_opendir) (__const char *);
+# ifdef __USE_GNU
+ int (*gl_lstat) (__const char *__restrict, struct stat64 *__restrict);
+ int (*gl_stat) (__const char *__restrict, struct stat64 *__restrict);
+# else
+ int (*gl_lstat) (__const char *__restrict, void *__restrict);
+ int (*gl_stat) (__const char *__restrict, void *__restrict);
+# endif
+ } glob64_t;
+#endif
+
+int glob (const char * __pattern, int __flags,
+ int (*__errfunc) (const char *, int),
+ glob_t * __pglob);
+void globfree(glob_t *__pglog);
+#endif /* !__KERNEL__ */
/*
- * proc user mode routines
+ * module routines
*/
-HANDLE cfs_proc_open (char * filename, int oflag);
-int cfs_proc_close(HANDLE handle);
-int cfs_proc_read(HANDLE handle, void *buffer, unsigned int count);
-int cfs_proc_write(HANDLE handle, void *buffer, unsigned int count);
-int cfs_proc_ioctl(HANDLE handle, int cmd, void *buffer);
+static inline void __module_get(struct module *module)
+{
+}
+static inline int try_module_get(struct module *module)
+{
+ return 1;
+}
+
+static inline void module_put(struct module *module)
+{
+}
/*
- * Native API definitions
+ * sigset_t routines
*/
-//
-// Disk I/O Routines
-//
-
-NTSYSAPI
-NTSTATUS
-NTAPI
-NtReadFile(HANDLE FileHandle,
- HANDLE Event OPTIONAL,
- PIO_APC_ROUTINE ApcRoutine OPTIONAL,
- PVOID ApcContext OPTIONAL,
- PIO_STATUS_BLOCK IoStatusBlock,
- PVOID Buffer,
- ULONG Length,
- PLARGE_INTEGER ByteOffset OPTIONAL,
- PULONG Key OPTIONAL);
-
-NTSYSAPI
-NTSTATUS
-NTAPI
-NtWriteFile(HANDLE FileHandle,
- HANDLE Event OPTIONAL,
- PIO_APC_ROUTINE ApcRoutine OPTIONAL,
- PVOID ApcContext OPTIONAL,
- PIO_STATUS_BLOCK IoStatusBlock,
- PVOID Buffer,
- ULONG Length,
- PLARGE_INTEGER ByteOffset OPTIONAL,
- PULONG Key OPTIONAL);
-
-NTSYSAPI
-NTSTATUS
-NTAPI
-NtClose(HANDLE Handle);
-
-NTSYSAPI
-NTSTATUS
-NTAPI
-NtCreateFile(PHANDLE FileHandle,
- ACCESS_MASK DesiredAccess,
- POBJECT_ATTRIBUTES ObjectAttributes,
- PIO_STATUS_BLOCK IoStatusBlock,
- PLARGE_INTEGER AllocationSize OPTIONAL,
- ULONG FileAttributes,
- ULONG ShareAccess,
- ULONG CreateDisposition,
- ULONG CreateOptions,
- PVOID EaBuffer OPTIONAL,
- ULONG EaLength);
-
-
-NTSYSAPI
-NTSTATUS
-NTAPI
-NtDeviceIoControlFile(
- IN HANDLE FileHandle,
- IN HANDLE Event,
- IN PIO_APC_ROUTINE ApcRoutine,
- IN PVOID ApcContext,
- OUT PIO_STATUS_BLOCK IoStatusBlock,
- IN ULONG IoControlCode,
- IN PVOID InputBuffer,
- IN ULONG InputBufferLength,
- OUT PVOID OutputBuffer,
- OUT ULONG OutputBufferLength
- );
-
-NTSYSAPI
-NTSTATUS
-NTAPI
-NtFsControlFile(
- IN HANDLE FileHandle,
- IN HANDLE Event OPTIONAL,
- IN PIO_APC_ROUTINE ApcRoutine OPTIONAL,
- IN PVOID ApcContext OPTIONAL,
- OUT PIO_STATUS_BLOCK IoStatusBlock,
- IN ULONG FsControlCode,
- IN PVOID InputBuffer OPTIONAL,
- IN ULONG InputBufferLength,
- OUT PVOID OutputBuffer OPTIONAL,
- IN ULONG OutputBufferLength
-);
-
-
-NTSYSAPI
-NTSTATUS
-NTAPI
-NtQueryInformationFile(
- IN HANDLE FileHandle,
- OUT PIO_STATUS_BLOCK IoStatusBlock,
- OUT PVOID FileInformation,
- IN ULONG Length,
- IN FILE_INFORMATION_CLASS FileInformationClass
- );
+typedef sigset_t cfs_sigset_t;
+#define sigaddset(what,sig) (*(what) |= (1<<(sig)), 0)
+#define sigdelset(what,sig) (*(what) &= ~(1<<(sig)), 0)
+#define sigemptyset(what) (*(what) = 0, 0)
+#define sigfillset(what) (*(what) = ~(0), 0)
+#define sigismember(what,sig) (((*(what)) & (1<<(sig))) != 0)
+
+static __inline int
+sigprocmask(int sig, cfs_sigset_t *w1, cfs_sigset_t *w2) {
+ return 0;
+}
+static __inline int
+sigpending(cfs_sigset_t *what) {
+ return 0;
+}
+
+/*
+ * common inode flags (user & kernel)
+ */
-//
-// Random routines ...
-//
-
-NTSYSAPI
-ULONG
-NTAPI
-RtlRandom(
- IN OUT PULONG Seed
- );
-
-#endif /* __KERNEL__ */
-
-
-//
-// Inode flags (Linux uses octad number, but why ? strange!!!)
-//
-
-#undef S_IFMT
-#undef S_IFDIR
-#undef S_IFCHR
-#undef S_IFREG
-#undef S_IREAD
-#undef S_IWRITE
-#undef S_IEXEC
-
-#define S_IFMT 0x0F000 /* 017 0000 */
-#define S_IFSOCK 0x0C000 /* 014 0000 */
-#define S_IFLNK 0x0A000 /* 012 0000 */
-#define S_IFREG 0x08000 /* 010 0000 */
-#define S_IFBLK 0x06000 /* 006 0000 */
-#define S_IFDIR 0x04000 /* 004 0000 */
-#define S_IFCHR 0x02000 /* 002 0000 */
-#define S_IFIFO 0x01000 /* 001 0000 */
-#define S_ISUID 0x00800 /* 000 4000 */
-#define S_ISGID 0x00400 /* 000 2000 */
-#define S_ISVTX 0x00200 /* 000 1000 */
-
-#define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
-#define S_ISSOCK(m) (((m) & S_IFMT) == S_IFSOCK)
-#define S_ISLNK(m) (((m) & S_IFMT) == S_IFLNK)
-#define S_ISFIL(m) (((m) & S_IFMT) == S_IFFIL)
-#define S_ISBLK(m) (((m) & S_IFMT) == S_IFBLK)
-#define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
-#define S_ISCHR(m) (((m) & S_IFMT) == S_IFCHR)
-#define S_ISFIFO(m) (((m) & S_IFMT) == S_IFIFO)
-
-#define S_IPERMISSION_MASK 0x1FF /* */
-
-#define S_IRWXU 0x1C0 /* 0 0700 */
-#define S_IRUSR 0x100 /* 0 0400 */
-#define S_IWUSR 0x080 /* 0 0200 */
-#define S_IXUSR 0x040 /* 0 0100 */
-
-#define S_IRWXG 0x038 /* 0 0070 */
-#define S_IRGRP 0x020 /* 0 0040 */
-#define S_IWGRP 0x010 /* 0 0020 */
-#define S_IXGRP 0x008 /* 0 0010 */
-
-#define S_IRWXO 0x007 /* 0 0007 */
-#define S_IROTH 0x004 /* 0 0004 */
-#define S_IWOTH 0x002 /* 0 0002 */
-#define S_IXOTH 0x001 /* 0 0001 */
+#define S_ISLNK(m) (((m) & S_IFMT) == S_IFLNK)
+#define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
+#define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
+#define S_ISCHR(m) (((m) & S_IFMT) == S_IFCHR)
+#define S_ISBLK(m) (((m) & S_IFMT) == S_IFBLK)
+#define S_ISFIFO(m) (((m) & S_IFMT) == S_IFIFO)
+#define S_ISSOCK(m) (((m) & S_IFMT) == S_IFSOCK)
+
+#define S_IRWXU 00700
+#define S_IRUSR 00400
+#define S_IWUSR 00200
+#define S_IXUSR 00100
+
+#define S_IRWXG 00070
+#define S_IRGRP 00040
+#define S_IWGRP 00020
+#define S_IXGRP 00010
+
+#define S_IRWXO 00007
+#define S_IROTH 00004
+#define S_IWOTH 00002
+#define S_IXOTH 00001
#define S_IRWXUGO (S_IRWXU|S_IRWXG|S_IRWXO)
#define S_IALLUGO (S_ISUID|S_ISGID|S_ISVTX|S_IRWXUGO)
#define S_IWUGO (S_IWUSR|S_IWGRP|S_IWOTH)
#define S_IXUGO (S_IXUSR|S_IXGRP|S_IXOTH)
+
+/*
+ * Linux kernel version definition
+ */
+
+#define KERNEL_VERSION(a,b,c) ((a)*100+(b)*10+c)
+
/*
* linux ioctl coding definitions
*/
#define _IOC_SIZEBITS 14
#define _IOC_DIRBITS 2
-#define _IOC_NRMASK ((1 << _IOC_NRBITS)-1)
+#define _IOC_NRMASK ((1 << _IOC_NRBITS)-1)
#define _IOC_TYPEMASK ((1 << _IOC_TYPEBITS)-1)
#define _IOC_SIZEMASK ((1 << _IOC_SIZEBITS)-1)
#define _IOC_DIRMASK ((1 << _IOC_DIRBITS)-1)
#define _IOC_NR(nr) (((nr) >> _IOC_NRSHIFT) & _IOC_NRMASK)
#define _IOC_SIZE(nr) (((nr) >> _IOC_SIZESHIFT) & _IOC_SIZEMASK)
-/*
- * Io vector ...
- */
-
-struct iovec
-{
+/* i/o vector sgructure ... */
+struct iovec {
void *iov_base;
size_t iov_len;
};
+/* idr support routines */
+struct idr_context *cfs_idr_init();
+int cfs_idr_remove(struct idr_context *idp, int id);
+int cfs_idr_get_new(struct idr_context *idp, void *ptr);
+int cfs_idr_get_new_above(struct idr_context *idp, void *ptr, int starting_id);
+void *cfs_idr_find(struct idr_context *idp, int id);
+void cfs_idr_exit(struct idr_context *idp);
+
+/* runtime time routines for both kenrel and user mode */
+extern int cfs_isalpha(int);
+extern int cfs_isspace(int);
+extern int cfs_isupper(int);
+extern int cfs_isdigit(int);
+extern int cfs_isxdigit(int);
#define ULONG_LONG_MAX ((__u64)(0xFFFFFFFFFFFFFFFF))
/*
* Ignores `locale' stuff. Assumes that the upper and lower case
* alphabets and digits are each contiguous.
*/
-static inline __u64
-strtoull(
- char *nptr,
- char **endptr,
- int base)
+__u64 strtoull(char *nptr, char **endptr,int base);
+
+/*
+ * getopt routines
+ */
+
+/* For communication from `getopt' to the caller.
+ When `getopt' finds an option that takes an argument,
+ the argument value is returned here.
+ Also, when `ordering' is RETURN_IN_ORDER,
+ each non-option ARGV-element is returned here. */
+
+extern char *optarg;
+
+/* Index in ARGV of the next element to be scanned.
+ This is used for communication to and from the caller
+ and for communication between successive calls to `getopt'.
+
+ On entry to `getopt', zero means this is the first call; initialize.
+
+ When `getopt' returns -1, this is the index of the first of the
+ non-option elements that the caller should itself scan.
+
+ Otherwise, `optind' communicates from one call to the next
+ how much of ARGV has been scanned so far. */
+
+extern int optind;
+
+/* Callers store zero here to inhibit the error message `getopt' prints
+ for unrecognized options. */
+
+extern int opterr;
+
+/* Set to an option character which was unrecognized. */
+
+extern int optopt;
+
+
+struct option
{
- char *s = nptr;
- __u64 acc, cutoff;
- int c, neg = 0, any, cutlim;
-
- /*
- * See strtol for comments as to the logic used.
- */
- do {
- c = *s++;
- } while (isspace(c));
- if (c == '-') {
- neg = 1;
- c = *s++;
- } else if (c == '+')
- c = *s++;
- if ((base == 0 || base == 16) &&
- c == '0' && (*s == 'x' || *s == 'X')) {
- c = s[1];
- s += 2;
- base = 16;
- }
- if (base == 0)
- base = c == '0' ? 8 : 10;
- cutoff = (__u64)ULONG_LONG_MAX / (__u64)base;
- cutlim = (int)((__u64)ULONG_LONG_MAX % (__u64)base);
- for (acc = 0, any = 0;; c = *s++) {
- if (isdigit(c))
- c -= '0';
- else if (isalpha(c))
- c -= isupper(c) ? 'A' - 10 : 'a' - 10;
- else
- break;
- if (c >= base)
- break;
- if (any < 0 || acc > cutoff || (acc == cutoff && c > cutlim))
- any = -1;
- else {
- any = 1;
- acc *= base;
- acc += c;
- }
- }
- if (any < 0) {
- acc = ULONG_LONG_MAX;
- } else if (neg)
- acc = 0 - acc;
- if (endptr != 0)
- *endptr = (char *) (any ? s - 1 : nptr);
- return (acc);
-}
+ const char *name;
+ /* has_arg can't be an enum because some compilers complain about
+ type mismatches in all the code that assumes it is an int. */
+ int has_arg;
+ int *flag;
+ int val;
+};
+
+/* Names for the values of the `has_arg' field of `struct option'. */
+# define no_argument 0
+# define required_argument 1
+# define optional_argument 2
+
+extern int getopt(int ___argc, char *const *___argv, const char *__shortopts);
+extern int getopt_long (int ___argc, char *const *___argv,
+ const char *__shortopts,
+ const struct option *__longopts, int *__longind);
+extern int getopt_long_only (int ___argc, char *const *___argv,
+ const char *__shortopts,
+ const struct option *__longopts, int *__longind);
+
+extern char *strcasestr (const char *phaystack, const char *pneedle);
+
+/*
+ * global environment runtime routine
+ */
+
+static __inline char * __cdecl cfs_getenv(const char *ENV) {return NULL;}
+static __inline void __cdecl set_getenv(const char *ENV, const char *value, int overwrite) {}
+
+int setenv(const char *envname, const char *envval, int overwrite);
+
+struct utsname {
+ char sysname[64];
+ char nodename[64];
+ char release[128];
+ char version[128];
+ char machine[64];
+};
+
+int uname(struct utsname *uts);
#endif
-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
+/* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil; -*-
+ * vim:expandtab:shiftwidth=4:tabstop=4:
*
* GPL HEADER START
*
// iovec is defined in libcfs: winnt_prim.h
// lnetkiov_t is defined in lnet/types.h
-typedef struct socket ksock_tconn_t;
-typedef struct socket cfs_socket_t;
+typedef struct socket ks_tconn_t, cfs_socket_t;
// completion notification callback routine
-typedef VOID (*ksock_schedule_cb)(struct socket*, int, void *, ulong_ptr);
+typedef VOID (*ks_schedule_cb)(struct socket*, int);
-/* completion routine to update tx structure for async sending */
-typedef PVOID (*ksock_update_tx)(struct socket*, PVOID tx, ulong_ptr);
+#define SOCK_ERROR(s) ((s->kstc_state >= ksts_disconnected) ? ECONNRESET : 0)
+#define SOCK_TEST_NOSPACE(s) (1)
//
// tdinal definitions
//
-#if TDI_LIBCFS_DBG
+#if DBG
#define KsPrint(X) KsPrintf X
#else
#define KsPrint(X)
// Socket Addresses Related ...
//
-#define INADDR_ANY (ULONG)0x00000000
+#define INADDR_ANY (ULONG)0x00000000
#define INADDR_LOOPBACK (ULONG)0x7f000001
-#define INADDR_BROADCAST (ULONG)0xffffffff
-#define INADDR_NONE (ULONG)0xffffffff
+#define INADDR_BROADCAST (ULONG)0xffffffff
+#define INADDR_NONE (ULONG)0xffffffff
/*
* TCP / IP options
*/
#define SOL_TCP 6
-#define SOL_UDP 17
+#define SOL_UD 17
#define TL_INSTANCE 0
Added those for 1003.1g not all are supported yet
*/
-#define MSG_OOB 1
+#define MSG_OOB 1
#define MSG_PEEK 2
#define MSG_DONTROUTE 4
#define MSG_TRYHARD 4 /* Synonym for MSG_DONTROUTE for DECnet */
typedef struct _KS_TSDU {
- ULONG Magic;
- ULONG Flags;
+ ULONG Magic; /* magic */
+ ULONG Flags; /* flags */
- struct list_head Link;
+ struct list_head Link; /* link list */
- ULONG TotalLength; // Total size of KS_TSDU
-
- ULONG StartOffset; // Start offset of the first Tsdu unit
- ULONG LastOffset; // End offset of the last Tsdu unit
+ ULONG TotalLength; /* total size of KS_TSDU */
+ ULONG StartOffset; /* offset of the first Tsdu unit */
+ ULONG LastOffset; /* end offset of the last Tsdu unit */
/*
union {
#define TSDU_TYPE_DAT ((USHORT)0x5402)
#define TSDU_TYPE_MDL ((USHORT)0x5403)
-#define KS_TSDU_BUF_RECEIVING 0x0001
+#define KS_TSDU_COMM_PARTIAL 0x0001
+
typedef struct _KS_TSDU_BUF {
USHORT TsduType;
ULONG StartOffset;
PVOID UserBuffer;
-
+ PMDL Mdl; /* mdl */
} KS_TSDU_BUF, *PKS_TSDU_BUF;
-#define KS_TSDU_DAT_RECEIVING 0x0001
-
typedef struct _KS_TSDU_DAT {
USHORT TsduType;
ULONG StartOffset;
ULONG TotalLength;
+ PMDL Mdl; /* mdl */
- UCHAR Data[1];
+ UCHAR Data[0];
} KS_TSDU_DAT, *PKS_TSDU_DAT;
-#define KS_DWORD_ALIGN(x) (((x) + 0x03) & (~(0x03)))
-#define KS_TSDU_STRU_SIZE(Len) (KS_DWORD_ALIGN((Len) + FIELD_OFFSET(KS_TSDU_DAT, Data)))
+#define KS_QWORD_ALIGN(x) (((x) + 0x07) & 0xFFFFFFF8)
+#define KS_TSDU_STRU_SIZE(Len) (KS_QWORD_ALIGN((Len) + FIELD_OFFSET(KS_TSDU_DAT, Data[0])))
typedef struct _KS_TSDU_MDL {
+ USHORT TsduType; /* TSDU_TYPE_MDL */
+ USHORT TsduFlags; /* */
- USHORT TsduType;
- USHORT TsduFlags;
-
- ULONG DataLength;
- ULONG StartOffset;
+ ULONG DataLength; /* total valid data length */
+ ULONG BaseOffset; /* payload offset in Tsdu */
+ ULONG StartOffset; /* offset in payload */
+ PVOID Descriptor; /* tdi descriptor for receiving */
PMDL Mdl;
- PVOID Descriptor;
-
} KS_TSDU_MDL, *PKS_TSDU_MDL;
+typedef struct ks_engine_mgr {
+ spinlock_t lock;
+ int stop;
+ event_t exit;
+ event_t start;
+ struct list_head list;
+} ks_engine_mgr_t;
+
+typedef struct ks_engine_slot {
+ ks_tconn_t * tconn;
+ void * tsdumgr;
+ struct list_head link;
+ int queued;
+ ks_engine_mgr_t * emgr;
+} ks_engine_slot_t;
typedef struct _KS_TSDUMGR {
-
- struct list_head TsduList;
- ULONG NumOfTsdu;
- ULONG TotalBytes;
- KEVENT Event;
-
+ struct list_head TsduList;
+ ULONG NumOfTsdu;
+ ULONG TotalBytes;
+ KEVENT Event;
+ spinlock_t Lock;
+ ks_engine_slot_t Slot;
+ ULONG Payload;
+ int Busy:1;
+ int OOB:1;
} KS_TSDUMGR, *PKS_TSDUMGR;
+#define ks_lock_tsdumgr(mgr) spin_lock(&((mgr)->Lock))
+#define ks_unlock_tsdumgr(mgr) spin_unlock(&((mgr)->Lock))
typedef struct _KS_CHAIN {
-
- KS_TSDUMGR Normal;
- KS_TSDUMGR Expedited;
-
+ KS_TSDUMGR Normal; /* normal queue */
+ KS_TSDUMGR Expedited; /* OOB/expedited queue */
} KS_CHAIN, *PKS_CHAIN;
-#define TDINAL_SCHED_FACTOR (1)
-#define CAN_BE_SCHED(Len, Limit) (Len >= ((Limit) >> TDINAL_SCHED_FACTOR))
+#define KS_CAN_SCHED(TM) ((TM)->TotalBytes >= ((TM)->Payload >> 2))
//
// Handler Settings Indictor
typedef struct _KS_DISCONNECT_WORKITEM {
WORK_QUEUE_ITEM WorkItem; // Workitem to perform disconnection
- ksock_tconn_t * tconn; // tdi connecton
+ ks_tconn_t * tconn; // tdi connecton
ULONG Flags; // connection broken/discnnection flags
KEVENT Event; // sync event
// type definitions
//
-typedef MDL ksock_mdl_t;
-typedef UNICODE_STRING ksock_unicode_name_t;
-typedef WORK_QUEUE_ITEM ksock_workitem_t;
+typedef MDL ks_mdl_t;
+typedef UNICODE_STRING ks_unicode_name_t;
+typedef WORK_QUEUE_ITEM ks_workitem_t;
-typedef KS_CHAIN ksock_chain_t;
-typedef KS_ADDRESS ksock_tdi_addr_t;
-typedef KS_CONNECTION ksock_tconn_info_t;
-typedef KS_DISCONNECT_WORKITEM ksock_disconnect_workitem_t;
+typedef KS_CHAIN ks_chain_t;
+typedef KS_ADDRESS ks_tdi_addr_t;
+typedef KS_CONNECTION ks_tconn_info_t;
+typedef KS_DISCONNECT_WORKITEM ks_disconnect_t;
//
// Structures for transmission done Workitem
//
-typedef struct _KS_TCPX_FINILIZE {
- ksock_workitem_t item;
- void * tx;
-} ksock_tcpx_fini_t;
-
-
-typedef struct ksock_backlogs {
+typedef struct ks_backlogs {
struct list_head list; /* list to link the backlog connections */
int num; /* number of backlogs in the list */
-} ksock_backlogs_t;
+} ks_backlogs_t;
-typedef struct ksock_daemon {
+typedef struct ks_daemon {
- ksock_tconn_t * tconn; /* the listener connection object */
+ ks_tconn_t * tconn; /* the listener connection object */
unsigned short nbacklogs; /* number of listening backlog conns */
unsigned short port; /* listening port number */
int shutdown; /* daemon threads is to exit */
- struct list_head list; /* to be attached into ksock_nal_data_t*/
-
-} ksock_daemon_t ;
+ struct list_head list; /* to be attached into ks_nal_data_t */
+} ks_daemon_t;
typedef enum {
// or refuse the connecting request from remote peers.
kstt_child, // accepted child connection type, it's parent must be Listener
+
kstt_lasttype
-} ksock_tconn_type;
+
+} ks_tconn_type_t;
typedef enum {
ksts_aborted, // un-exptected broken status
ksts_last // total number of tconn statuses
-} ksock_tconn_state;
+
+} ks_tconn_state_t;
#define KS_TCONN_MAGIC 'KSTM'
#define KS_TCONN_DAEMON_STARTED 0x00100000 // indict the daemon is started,
// only valid for listener
-
struct socket {
- ulong_ptr kstc_magic; /* Magic & Flags */
- ulong_ptr kstc_flags;
+ ulong kstc_magic; /* Magic & Flags */
+ ulong kstc_flags;
spinlock_t kstc_lock; /* serialise lock*/
- void * kstc_conn; /* ksock_conn_t */
+ void * kstc_conn; /* ks_conn_t */
- ksock_tconn_type kstc_type; /* tdi connection Type */
- ksock_tconn_state kstc_state; /* tdi connection state flag */
+ ks_tconn_type_t kstc_type; /* tdi connection Type */
+ ks_tconn_state_t kstc_state; /* tdi connection state flag */
- ksock_unicode_name_t kstc_dev; /* tcp transport device name */
+ ks_unicode_name_t kstc_dev; /* tcp transport device name */
- ksock_tdi_addr_t kstc_addr; /* local address handlers / Objects */
+ ks_tdi_addr_t kstc_addr; /* local address handlers / Objects */
- atomic_t kstc_refcount; /* reference count of ksock_tconn */
+ atomic_t kstc_refcount; /* reference count of ks_tconn_t */
struct list_head kstc_list; /* linked to global ksocknal_data */
struct {
int nbacklog; /* total number of backlog tdi connections */
- ksock_backlogs_t kstc_listening; /* listeing backlog child connections */
- ksock_backlogs_t kstc_accepted; /* connected backlog child connections */
+ ks_backlogs_t kstc_listening; /* listeing backlog child connections */
+ ks_backlogs_t kstc_accepted; /* connected backlog child connections */
event_t kstc_accept_event; /* Signaled by AcceptedHander,
ksocknal_wait_accpeted_conns waits on */
event_t kstc_destroy_event; /* Signaled when accepted child is released */
} listener;
struct {
- ksock_tconn_info_t kstc_info; /* Connection Info if Connected */
- ksock_chain_t kstc_recv; /* tsdu engine for data receiving */
- ksock_chain_t kstc_send; /* tsdu engine for data sending */
+ ks_tconn_info_t kstc_info; /* Connection Info if Connected */
+ ks_chain_t kstc_recv; /* tsdu engine for data receiving */
+ ks_chain_t kstc_send; /* tsdu engine for data sending */
int kstc_queued; /* Attached to Parent->ChildList ... */
int kstc_queueno; /* 0: Attached to Listening list
int kstc_accepted; /* the connection is built ready ? */
struct list_head kstc_link; /* linked to parent tdi connection */
- ksock_tconn_t * kstc_parent; /* pointers to it's listener parent */
+ ks_tconn_t * kstc_parent; /* pointers to it's listener parent */
} child;
struct {
- ksock_tconn_info_t kstc_info; /* Connection Info if Connected */
- ksock_chain_t kstc_recv; /* tsdu engine for data receiving */
- ksock_chain_t kstc_send; /* tsdu engine for data sending */
+ ks_tconn_info_t kstc_info; /* Connection Info if Connected */
+ ks_chain_t kstc_recv; /* tsdu engine for data receiving */
+ ks_chain_t kstc_send; /* tsdu engine for data sending */
} sender;
};
- ulong_ptr kstc_snd_wnd; /* Sending window size */
- ulong_ptr kstc_rcv_wnd; /* Recving window size */
+ ulong kstc_snd_wnd; /* Sending window size */
+ ulong kstc_rcv_wnd; /* Recving window size */
- ksock_workitem_t kstc_destroy; /* tconn destruction workitem */
- ksock_disconnect_workitem_t kstc_disconnect; /* connection disconnect workitem */
+ ks_workitem_t kstc_destroy; /* tconn destruction workitem */
+ ks_disconnect_t kstc_disconnect; /* connection disconnect workitem */
- ksock_schedule_cb kstc_sched_cb; /* notification callback routine of completion */
- ksock_update_tx kstc_update_tx; /* aync sending callback to update tx */
+ ks_schedule_cb kstc_sched_cb; /* notification callback routine of completion */
};
#define SOCK_WMEM_QUEUED(sock) (0)
-
#define TDINAL_WINDOW_DEFAULT_SIZE (0x100000)
-
+#define TDINAL_MAX_TSDU_QUEUE_SIZE (0x200000)
struct _KS_UDP_COMPLETION_CONTEXT;
struct _KS_TCP_COMPLETION_CONTEXT;
PKEVENT Event;
union {
PFILE_OBJECT AddressObject;
- ksock_tconn_t * tconn;
+ ks_tconn_t * tconn;
};
PKS_UDP_COMPLETION_ROUTINE CompletionRoutine;
// Tcp Irp Completion Context (used by tcp data recv/send)
//
-typedef struct _KS_TCP_COMPLETION_CONTEXT {
+#define KS_TCP_CONTEXT_MAGIC 'CCTK'
+typedef struct _KS_TCP_COMPLETION_CONTEXT {
PKEVENT Event; // Event to be waited on by Irp caller ...
-
- ksock_tconn_t * tconn; // the tdi connection
-
+ ks_tconn_t * tconn; // the tdi connection
PKS_TCP_COMPLETION_ROUTINE CompletionRoutine;
PVOID CompletionContext;
- PVOID CompletionContext2;
-
- PKS_TSDUMGR KsTsduMgr; // Tsdu buffer manager
-
- //
- // These tow new members are for NON_BLOCKING transmission
- //
-
- BOOLEAN bCounted; // To indict needing refcount to
- // execute CompetionRoutine
- ULONG ReferCount; // Refer count of this structure
-
+ PKS_TSDUMGR TsduMgr; // Tsdu buffer manager
+ ULONG Length; // Payload length in KsTsdu queue
+ PCHAR Buffer; // User allocated buffer
+ ULONG Magic; // Magic key
} KS_TCP_COMPLETION_CONTEXT, *PKS_TCP_COMPLETION_CONTEXT;
-typedef KS_TCP_COMPLETION_CONTEXT ksock_tdi_tx_t, ksock_tdi_rx_t;
+typedef KS_TCP_COMPLETION_CONTEXT ks_tdi_tx_t, ks_tdi_rx_t;
/*
Irp->UserBuffer = OutBuffer; \
}
-
typedef struct ks_addr_slot {
LIST_ENTRY link;
int up;
int ksnd_init; /* initialisation state */
- TDI_PROVIDER_INFO ksnd_provider; /* tdi tcp/ip provider's information */
+ TDI_PROVIDER_INFO ksnd_provider; /* tdi tcp/ip provider's information */
spinlock_t ksnd_tconn_lock; /* tdi connections access serialise */
int ksnd_ntconns; /* number of tconns attached in list */
struct list_head ksnd_tconns; /* tdi connections list */
- cfs_mem_cache_t * ksnd_tconn_slab; /* slabs for ksock_tconn_t allocations */
+ cfs_mem_cache_t * ksnd_tconn_slab; /* slabs for ks_tconn_t allocations */
event_t ksnd_tconn_exit; /* exit event to be signaled by the last tconn */
spinlock_t ksnd_tsdu_lock; /* tsdu access serialise */
int ksnd_ntsdus; /* number of tsdu buffers allocated */
- ulong_ptr ksnd_tsdu_size; /* the size of a signel tsdu buffer */
+ ulong ksnd_tsdu_size; /* the size of a signel tsdu buffer */
cfs_mem_cache_t * ksnd_tsdu_slab; /* slab cache for tsdu buffer allocation */
int ksnd_nfreetsdus; /* number of tsdu buffers in the freed list */
- struct list_head ksnd_freetsdus; /* List of the freed Tsdu buffer. */
+ struct list_head ksnd_freetsdus; /* List of the freed Tsdu buffer. */
- spinlock_t ksnd_daemon_lock; /* stabilize daemon ops */
- int ksnd_ndaemons; /* number of listening daemons */
- struct list_head ksnd_daemons; /* listening daemon list */
- event_t ksnd_daemon_exit; /* the last daemon quiting should singal it */
+ int ksnd_engine_nums; /* number of tcp sending engine threads */
+ ks_engine_mgr_t * ksnd_engine_mgr; /* tcp sending engine structure */
-} ks_data_t;
+} ks_tdi_data_t;
int
ks_init_tdi_data();
ks_fini_tdi_data();
+int
+ks_query_local_ipaddr(
+ ks_tconn_t * tconn
+ );
+
+void
+ks_get_tconn(
+ ks_tconn_t * tconn
+ );
+
+void
+ks_put_tconn(
+ ks_tconn_t * tconn
+ );
+
+void
+ks_abort_tconn(
+ ks_tconn_t * tconn
+ );
+int
+ks_disconnect_tconn(
+ ks_tconn_t * tconn,
+ ulong flags
+ );
+
+void
+ks_destroy_tconn(
+ ks_tconn_t * tconn
+ );
+
+NTSTATUS
+KsLockUserBuffer (
+ IN PVOID UserBuffer,
+ IN BOOLEAN bPaged,
+ IN ULONG Length,
+ IN LOCK_OPERATION Operation,
+ OUT PMDL * pMdl
+ );
+
+VOID
+KsReleaseMdl (IN PMDL Mdl,
+ IN int Paged );
+
+void
+KsQueueTdiEngine(ks_tconn_t * tconn, PKS_TSDUMGR);
+
+void
+KsRemoveTdiEngine(PKS_TSDUMGR);
+
+NTSTATUS
+ks_set_tcp_option (
+ ks_tconn_t * tconn,
+ ULONG ID,
+ PVOID OptionValue,
+ ULONG Length
+ );
+
+int
+ks_get_tcp_option (
+ ks_tconn_t * tconn,
+ ULONG ID,
+ PVOID OptionValue,
+ PULONG Length
+ );
+
#endif /* __KERNEL__ */
#endif /* __LIBCFS_WINNT_TCPIP_H__ */
*
*/
-#define ONE_BILLION ((u_int64_t)1000000000)
-#define ONE_MILLION ((u_int64_t) 1000000)
-
-#define HZ (100)
-
struct timeval {
- time_t tv_sec; /* seconds */
- suseconds_t tv_usec; /* microseconds */
+ time_t tv_sec; /* seconds */
+ suseconds_t tv_usec; /* microseconds */
};
-struct timespec {
- ulong_ptr tv_sec;
- ulong_ptr tv_nsec;
-};
+typedef time_t cfs_time_t;
+typedef time_t cfs_duration_t;
#ifdef __KERNEL__
#include <libcfs/winnt/portals_compat25.h>
+#define HZ (100)
+
+struct timespec {
+ __u32 tv_sec;
+ __u32 tv_nsec;
+};
+typedef struct timeval cfs_fs_time_t;
+
+
+#define ONE_BILLION ((u_int64_t)1000000000)
+#define ONE_MILLION ((u_int64_t) 1000000)
+
/*
* Generic kernel stuff
*/
-typedef struct timeval cfs_fs_time_t;
-
-typedef u_int64_t cfs_time_t;
-typedef int64_t cfs_duration_t;
+#define jiffies (ULONG_PTR)JIFFIES()
+#define cfs_jiffies (ULONG_PTR)JIFFIES()
static inline void do_gettimeofday(struct timeval *tv)
{
KeQuerySystemTime(&Time);
- tv->tv_sec = (long_ptr) (Time.QuadPart / 10000000);
- tv->tv_usec = (long_ptr) (Time.QuadPart % 10000000) / 10;
+ tv->tv_sec = (time_t) (Time.QuadPart / 10000000);
+ tv->tv_usec = (suseconds_t) (Time.QuadPart % 10000000) / 10;
}
-static inline cfs_time_t JIFFIES()
+static inline LONGLONG JIFFIES()
{
LARGE_INTEGER Tick;
LARGE_INTEGER Elapse;
static inline cfs_time_t cfs_time_current(void)
{
- return JIFFIES();
+ return (cfs_time_t)JIFFIES();
}
-static inline cfs_time_t cfs_time_current_sec(void)
+static inline time_t cfs_time_current_sec(void)
{
- return (JIFFIES() / HZ);
+ return (time_t)(JIFFIES() / HZ);
}
-static inline cfs_time_t cfs_time_add(cfs_time_t t, cfs_duration_t d)
-{
- return (t + d);
-}
-
-static inline cfs_duration_t cfs_time_sub(cfs_time_t t1, cfs_time_t t2)
-{
- return (t1 - t2);
-}
-
-static inline int cfs_time_before(cfs_time_t t1, cfs_time_t t2)
-{
- return ((int64_t)t1 - (int64_t)t2) < 0;
-}
-
-static inline int cfs_time_beforeq(cfs_time_t t1, cfs_time_t t2)
-{
- return ((int64_t)t1 - (int64_t)t2) <= 0;
-}
+#define time_before(t1, t2) (((signed)(t1) - (signed)(t2)) < 0)
+#define time_before_eq(t1, t2) (((signed)(t1) - (signed)(t2)) <= 0)
static inline void cfs_fs_time_current(cfs_fs_time_t *t)
{
t->tv_usec = (Sys.LowPart % 10000000) / 10;
}
+static inline unsigned long get_seconds(void)
+{
+ cfs_fs_time_t t;
+ cfs_fs_time_current(&t);
+ return (unsigned long) t.tv_sec;
+}
+
static inline cfs_time_t cfs_fs_time_sec(cfs_fs_time_t *t)
{
- return t->tv_sec;
+ return (cfs_time_t)t->tv_sec;
}
-static inline u_int64_t __cfs_fs_time_flat(cfs_fs_time_t *t)
+static inline unsigned long __cfs_fs_time_flat(cfs_fs_time_t *t)
{
- return ((u_int64_t)t->tv_sec) * ONE_MILLION + t->tv_usec;
+ return (unsigned long)(t->tv_sec) * ONE_MILLION + t->tv_usec;
}
static inline int cfs_fs_time_before(cfs_fs_time_t *t1, cfs_fs_time_t *t2)
return (__cfs_fs_time_flat(t1) <= __cfs_fs_time_flat(t2));
}
-static inline cfs_duration_t cfs_time_seconds(int seconds)
+static inline cfs_duration_t cfs_time_seconds(cfs_duration_t seconds)
{
- return (cfs_duration_t)seconds * HZ;
+ return (cfs_duration_t)(seconds * HZ);
}
-static inline cfs_time_t cfs_duration_sec(cfs_duration_t d)
+static inline time_t cfs_duration_sec(cfs_duration_t d)
{
- return d / HZ;
+ return (time_t)(d / HZ);
}
static inline void cfs_duration_usec(cfs_duration_t d, struct timeval *s)
{
- s->tv_sec = (suseconds_t) (d / HZ);
- s->tv_usec = (time_t)((d - (cfs_duration_t)s->tv_sec * HZ) *
+ s->tv_sec = (__u32)(d / HZ);
+ s->tv_usec = (__u32)((d - (cfs_duration_t)s->tv_sec * HZ) *
ONE_MILLION / HZ);
}
static inline void cfs_duration_nsec(cfs_duration_t d, struct timespec *s)
{
- s->tv_sec = (suseconds_t) (d / HZ);
- s->tv_nsec = (time_t)((d - (cfs_duration_t)s->tv_sec * HZ) *
- ONE_BILLION / HZ);
+ s->tv_sec = (__u32) (d / HZ);
+ s->tv_nsec = (__u32)((d - (cfs_duration_t)s->tv_sec * HZ) *
+ ONE_BILLION / HZ);
}
static inline void cfs_fs_time_usec(cfs_fs_time_t *t, struct timeval *v)
{
- *v = *t;
+ *v = *t;
}
static inline void cfs_fs_time_nsec(cfs_fs_time_t *t, struct timespec *s)
{
- s->tv_sec = t->tv_sec;
- s->tv_nsec = t->tv_usec * 1000;
+ s->tv_sec = (__u32) t->tv_sec;
+ s->tv_nsec = (__u32) t->tv_usec * 1000;
}
-#define cfs_time_current_64 cfs_time_current
-#define cfs_time_add_64 cfs_time_add
-#define cfs_time_shift_64 cfs_time_shift
-#define cfs_time_before_64 cfs_time_before
-#define cfs_time_beforeq_64 cfs_time_beforeq
-
-/*
- * One jiffy
- */
-#define CFS_TICK (1)
-
-#define LTIME_S(t) (t)
-
-#define CFS_TIME_T "%I64u"
-#define CFS_DURATION_T "%I64d"
-
-#else /* !__KERNEL__ */
-
-/*
- * Liblustre. time(2) based implementation.
- */
-#include <libcfs/user-time.h>
-
-
-//
-// Time routines ...
-//
-
-NTSYSAPI
-CCHAR
-NTAPI
-NtQuerySystemTime(
- OUT PLARGE_INTEGER CurrentTime
- );
-
-NTSYSAPI
-BOOLEAN
-NTAPI
-RtlTimeToSecondsSince1970(
- IN PLARGE_INTEGER Time,
- OUT PULONG ElapsedSeconds
- );
+#define cfs_time_current_64 JIFFIES
+static inline __u64 cfs_time_add_64(__u64 t, __u64 d)
+{
+ return t + d;
+}
-NTSYSAPI
-VOID
-NTAPI
-RtlSecondsSince1970ToTime(
- IN ULONG ElapsedSeconds,
- OUT PLARGE_INTEGER Time
- );
-
-NTSYSAPI
-VOID
-NTAPI
-Sleep(
- DWORD dwMilliseconds // sleep time in milliseconds
-);
+static inline __u64 cfs_time_shift_64(cfs_duration_t seconds)
+{
+ return cfs_time_add_64(cfs_time_current_64(),
+ cfs_time_seconds(seconds));
+}
+static inline int cfs_time_before_64(__u64 t1, __u64 t2)
+{
+ return (__s64)t2 - (__s64)t1 > 0;
+}
-static inline void sleep(int time)
+static inline int cfs_time_beforeq_64(__u64 t1, __u64 t2)
{
- DWORD Time = 1000 * time;
- Sleep(Time);
+ return (__s64)t2 - (__s64)t1 >= 0;
}
+/*
+ * One jiffy
+ */
+#define CFS_TICK (1)
+#define LTIME_S(t) *((__u64 *)&(t))
-static inline void do_gettimeofday(struct timeval *tv)
-{
- LARGE_INTEGER Time;
+#define CFS_TIME_T "%u"
+#define CFS_DURATION_T "%d"
- NtQuerySystemTime(&Time);
+#else /* !__KERNEL__ */
- tv->tv_sec = (long_ptr) (Time.QuadPart / 10000000);
- tv->tv_usec = (long_ptr) (Time.QuadPart % 10000000) / 10;
-}
+#include <time.h>
+#ifdef HAVE_LIBPTHREAD
+#include <pthread.h>
+#else
+struct timespec {
+ unsigned long tv_sec;
+ unsigned long tv_nsec;
+};
+#endif /* HAVE_LIBPTHREAD */
-static inline int gettimeofday(struct timeval *tv, void * tz)
-{
- do_gettimeofday(tv);
- return 0;
-}
+#include "../user-time.h"
+
+/* liblustre. time(2) based implementation. */
+int nanosleep(const struct timespec *rqtp, struct timespec *rmtp);
+void sleep(int time);
+void do_gettimeofday(struct timeval *tv);
+int gettimeofday(struct timeval *tv, void * tz);
-#endif /* __KERNEL__ */
+#endif /* !__KERNEL__ */
/* __LIBCFS_LINUX_LINUX_TIME_H__ */
#endif
#ifdef __KERNEL__
#include <ntifs.h>
+#include <basetsd.h>
#include <windef.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
-
#include <tdi.h>
#include <tdikrnl.h>
#include <tdiinfo.h>
#else
-#include <ntddk.h>
#include <stdio.h>
#include <stdlib.h>
+#include <ntddk.h>
#include <stdarg.h>
-#include <time.h>
#include <io.h>
+#include <time.h>
#include <string.h>
#include <assert.h>
-
#endif
#define __LITTLE_ENDIAN
+#define __user
#define inline __inline
#define __inline__ __inline
-typedef unsigned __int8 __u8;
-typedef signed __int8 __s8;
-
-typedef signed __int64 __s64;
-typedef unsigned __int64 __u64;
+typedef unsigned __int8 __u8;
+typedef signed __int8 __s8;
typedef signed __int16 __s16;
typedef unsigned __int16 __u16;
typedef signed __int64 __s64;
typedef unsigned __int64 __u64;
-typedef unsigned long ULONG;
-
-
-#if defined(_WIN64)
- #define long_ptr __int64
- #define ulong_ptr unsigned __int64
- #define BITS_PER_LONG (64)
-#else
- #define long_ptr long
- #define ulong_ptr unsigned long
- #define BITS_PER_LONG (32)
-
-#endif
+typedef unsigned long ULONG;
/* bsd */
typedef unsigned char u_char;
typedef __u32 u_int32_t;
typedef __s32 int32_t;
+#define u8 __u8
+#define u16 __u16
+#define u32 __u32
+#define u64 __u64
+
#endif /* !(__BIT_TYPES_DEFINED__) */
typedef __u8 uint8_t;
typedef __u64 u_int64_t;
typedef __s64 int64_t;
-typedef long ssize_t;
+typedef long ssize_t;
-typedef __u32 suseconds_t;
+typedef __u32 suseconds_t;
-typedef __u32 pid_t, tid_t;
+typedef __u16 uid_t, gid_t;
-typedef __u16 uid_t, gid_t;
+typedef __u16 mode_t;
+typedef __u16 umode_t;
-typedef __u16 mode_t;
-typedef __u16 umode_t;
+typedef __u32 sigset_t;
-typedef ulong_ptr sigset_t;
-
-typedef uint64_t loff_t;
-typedef HANDLE cfs_handle_t;
+typedef int64_t loff_t;
+typedef void * cfs_handle_t;
typedef uint64_t cycles_t;
#ifndef INVALID_HANDLE_VALUE
#define INVALID_HANDLE_VALUE ((HANDLE)-1)
#endif
+# define BITS_PER_LONG (32)
+
+#if defined(_WIN64)
+typedef __int64 long_ptr_t;
+typedef unsigned __int64 ulong_ptr_t;
+#else
+typedef long long_ptr_t;
+typedef unsigned long ulong_ptr_t;
+#endif
#ifdef __KERNEL__ /* kernel */
typedef __u32 off_t;
-typedef __u32 time_t;
typedef unsigned short kdev_t;
-#else /* !__KERNEL__ */
+typedef __u32 pid_t;
+typedef __u32 tid_t;
-typedef int BOOL;
-typedef __u8 BYTE;
-typedef __u16 WORD;
-typedef __u32 DWORD;
+typedef __u32 ino_t;
-#endif /* __KERNEL__ */
+#define dma_addr_t PVOID
+#define gfp_t __u32
/*
- * Conastants suffix
+ * Bytes order
*/
-#define ULL i64
-#define ull i64
+//
+// Byte order swapping routines
+//
-/*
- * Winnt kernel has no capabilities.
- */
+#if 0 && NTDDI_VERSION < 0x06000000
+
+USHORT
+FASTCALL
+RtlUshortByteSwap(
+ IN USHORT Source
+ );
+
+ULONG
+FASTCALL
+RtlUlongByteSwap(
+ IN ULONG Source
+ );
+
+ULONGLONG
+FASTCALL
+RtlUlonglongByteSwap(
+ IN ULONGLONG Source
+ );
+#endif
-typedef __u32 cfs_kernel_cap_t;
+#else /* !__KERNEL__ */
-#define INT_MAX ((int)(~0U>>1))
-#define INT_MIN (-INT_MAX - 1)
-#define UINT_MAX (~0U)
+typedef int BOOL;
-#endif /* _WINNT_TYPES_H */
+#ifndef _WINDOWS_
+typedef __u8 BYTE;
+typedef __u16 WORD;
+typedef __u32 DWORD;
+#endif
+
+#define __WORDSIZE 32
+typedef long off_t;
+#endif /* __KERNEL__ */
/*
- * Bytes order
+ * Conastants suffix
*/
-//
-// Byte order swapping routines
-//
-
+#define ULL i64
+#define ull i64
#define ___swab16(x) RtlUshortByteSwap(x)
#define ___swab32(x) RtlUlongByteSwap(x)
#define ___constant_swab64(x) \
((__u64)( \
- (__u64)(((__u64)(x) & (__u64)0x00000000000000ffUL) << 56) | \
- (__u64)(((__u64)(x) & (__u64)0x000000000000ff00UL) << 40) | \
- (__u64)(((__u64)(x) & (__u64)0x0000000000ff0000UL) << 24) | \
- (__u64)(((__u64)(x) & (__u64)0x00000000ff000000UL) << 8) | \
- (__u64)(((__u64)(x) & (__u64)0x000000ff00000000UL) >> 8) | \
- (__u64)(((__u64)(x) & (__u64)0x0000ff0000000000UL) >> 24) | \
- (__u64)(((__u64)(x) & (__u64)0x00ff000000000000UL) >> 40) | \
- (__u64)(((__u64)(x) & (__u64)0xff00000000000000UL) >> 56) ))
+ (__u64)(((__u64)(x) & (__u64)0x00000000000000ffUi64) << 56) | \
+ (__u64)(((__u64)(x) & (__u64)0x000000000000ff00Ui64) << 40) | \
+ (__u64)(((__u64)(x) & (__u64)0x0000000000ff0000Ui64) << 24) | \
+ (__u64)(((__u64)(x) & (__u64)0x00000000ff000000Ui64) << 8) | \
+ (__u64)(((__u64)(x) & (__u64)0x000000ff00000000Ui64) >> 8) | \
+ (__u64)(((__u64)(x) & (__u64)0x0000ff0000000000Ui64) >> 24) | \
+ (__u64)(((__u64)(x) & (__u64)0x00ff000000000000Ui64) >> 40) | \
+ (__u64)(((__u64)(x) & (__u64)0xff00000000000000Ui64) >> 56) ))
#define __swab16(x) ___constant_swab16(x)
#define htons(x) ntohs(x)
+/*
+ * array must be used for array not pointer
+ */
+#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
+
+#endif /* _WINNT_TYPES_H */
#ifndef _I386_ERRNO_H
#define _I386_ERRNO_H
+#include <errno.h>
+
#define EPERM 1 /* Operation not permitted */
#define ENOENT 2 /* No such file or directory */
#define ESRCH 3 /* No such process */
#define EINTR 4 /* Interrupted system call */
-#define EIO 5 /* I/O error */
+#define EIO 5 /* I/O error */
#define ENXIO 6 /* No such device or address */
#define E2BIG 7 /* Arg list too long */
#define ENOEXEC 8 /* Exec format error */
#define EPIPE 32 /* Broken pipe */
#define EDOM 33 /* Math argument out of domain of func */
#define ERANGE 34 /* Math result not representable */
-#undef EDEADLK
-#define EDEADLK 35 /* Resource deadlock would occur */
-#undef ENAMETOOLONG
-#define ENAMETOOLONG 36 /* File name too long */
-#undef ENOLCK
-#define ENOLCK 37 /* No record locks available */
-#undef ENOSYS
-#define ENOSYS 38 /* Function not implemented */
-#undef ENOTEMPTY
-#define ENOTEMPTY 39 /* Directory not empty */
#define ELOOP 40 /* Too many symbolic links encountered */
#define EWOULDBLOCK EAGAIN /* Operation would block */
#define ENOMSG 42 /* No message of desired type */
#define ELIBSCN 81 /* .lib section in a.out corrupted */
#define ELIBMAX 82 /* Attempting to link in too many shared libraries */
#define ELIBEXEC 83 /* Cannot exec a shared library directly */
-#undef EILSEQ
-#define EILSEQ 84 /* Illegal byte sequence */
#define ERESTART 85 /* Interrupted system call should be restarted */
#define ESTRPIPE 86 /* Streams pipe error */
#define EUSERS 87 /* Too many users */
#define EBADTYPE 527 /* Type not supported by server */
#define EJUKEBOX 528 /* Request initiated, but will not complete before timeout */
-
-
/* open/fcntl - O_SYNC is only implemented on blocks devices and on files
located on an ext2 file system */
#define O_ACCMODE 0003
* signal values ...
*/
+#ifdef __KERNEL__
#define SIGHUP 1
#define SIGINT 2
#define SIGQUIT 3
#define SIGRTMIN 32
#define SIGRTMAX (_NSIG-1)
+#endif
+
/*
* SA_FLAGS values:
*
}
void tracefile_fini_arch() {
+ fini_rwsem(&tracefile_sem);
}
void tracefile_read_lock() {
static cfs_waitq_t debug_ctlwq;
-#ifdef HAVE_BGL_SUPPORT
-char debug_file_path_arr[1024] = "/bgl/ion/tmp/lustre-log";
-#elif defined(__arch_um__)
-char debug_file_path_arr[1024] = "/r/tmp/lustre-log";
-#else
-char debug_file_path_arr[1024] = "/tmp/lustre-log";
-#endif
+char debug_file_path_arr[1024] = DEBUG_FILE_PATH_DEFAULT;
+
/* We need to pass a pointer here, but elsewhere this must be a const */
static char *debug_file_path = &debug_file_path_arr[0];
CFS_MODULE_PARM(debug_file_path, "s", charp, 0644,
if (strncmp(debug_file_path_arr, "NONE", 4) != 0) {
snprintf(debug_file_name, sizeof(debug_file_name) - 1,
- "%s.%ld.%ld", debug_file_path_arr,
- cfs_time_current_sec(), (long)arg);
+ "%s.%ld." LPLD, debug_file_path_arr,
+ cfs_time_current_sec(), (long_ptr_t)arg);
printk(KERN_ALERT "LustreError: dumping log to %s\n",
debug_file_name);
tracefile_dump_all_pages(debug_file_name);
cfs_waitq_add(&debug_ctlwq, &wait);
rc = cfs_kernel_thread(libcfs_debug_dumplog_thread,
- (void *)(long)cfs_curproc_pid(),
+ (void *)(long_ptr_t)cfs_curproc_pid(),
CLONE_VM | CLONE_FS | CLONE_FILES);
if (rc < 0)
printk(KERN_ERR "LustreError: cannot start log dump thread: "
kfree(trace_data[i]);
trace_data[i] = NULL;
}
+
+ fini_rwsem(&tracefile_sem);
}
void tracefile_read_lock()
# define EXPORT_SYMTAB
#endif
-#ifndef AUTOCONF_INCLUDED
-#include <linux/config.h>
-#endif
-#include <linux/module.h>
-#include <linux/kmod.h>
-#include <linux/kernel.h>
-#include <linux/kernel.h>
-#include <linux/mm.h>
-#include <linux/string.h>
-#include <linux/stat.h>
-#include <linux/errno.h>
-#include <linux/smp_lock.h>
-#include <linux/unistd.h>
-#include <linux/interrupt.h>
-#include <asm/system.h>
-#include <asm/uaccess.h>
-
#define DEBUG_SUBSYSTEM S_LNET
#include <libcfs/libcfs.h>
struct libcfs_ioctl_handler *hand;
err = -EINVAL;
down_read(&ioctl_list_sem);
- list_for_each_entry(hand, &ioctl_list, item) {
+ cfs_list_for_each_entry_typed(hand, &ioctl_list,
+ struct libcfs_ioctl_handler, item) {
err = hand->handle_ioctl(cmd, data);
if (err != -EINVAL) {
if (err == 0)
rc = libcfs_debug_cleanup();
if (rc)
printk(KERN_ERR "LustreError: libcfs_debug_cleanup: %d\n", rc);
+
+ fini_rwsem(&ioctl_list_sem);
+ fini_rwsem(&tracefile_sem);
+
libcfs_arch_cleanup();
}
LASSERT (nf != NULL);
}
- if (!nf->nf_str2addr(str, sep - str, &addr))
+ if (!nf->nf_str2addr(str, (int)(sep - str), &addr))
return LNET_NID_ANY;
return LNET_MKNID(net, addr);
CFS_INIT_LIST_HEAD(&pc.pc_pages);
spin_lock_init(&pc.pc_lock);
- list_for_each_entry_safe(tage, tmp, &tcd->tcd_pages, linkage) {
+ cfs_list_for_each_entry_safe_typed(tage, tmp, &tcd->tcd_pages,
+ struct trace_page, linkage) {
if (pgcount-- == 0)
break;
tcd_for_each_type_lock(tcd, i) {
cur_head = tcd->tcd_pages.next;
- list_for_each_entry_safe(tage, tmp, &pc->pc_pages, linkage) {
+ cfs_list_for_each_entry_safe_typed(tage, tmp, &pc->pc_pages,
+ struct trace_page, linkage) {
__LASSERT_TAGE_INVARIANT(tage);
struct trace_page *tmp;
spin_lock(&pc->pc_lock);
- list_for_each_entry_safe(tage, tmp, &pc->pc_pages, linkage) {
+ cfs_list_for_each_entry_safe_typed(tage, tmp, &pc->pc_pages,
+ struct trace_page, linkage) {
__LASSERT_TAGE_INVARIANT(tage);
pc.pc_want_daemon_pages = 1;
collect_pages(&pc);
- list_for_each_entry_safe(tage, tmp, &pc.pc_pages, linkage) {
+ cfs_list_for_each_entry_safe_typed(tage, tmp, &pc.pc_pages,
+ struct trace_page, linkage) {
char *p, *file, *fn;
cfs_page_t *page;
p += strlen(file) + 1;
fn = p;
p += strlen(fn) + 1;
- len = hdr->ph_len - (p - (char *)hdr);
+ len = hdr->ph_len - (int)(p - (char *)hdr);
print_to_console(hdr, D_EMERG, p, len, file, fn);
/* ok, for now, just write the pages. in the future we'll be building
* iobufs with the pages and calling generic_direct_IO */
CFS_MMSPACE_OPEN;
- list_for_each_entry_safe(tage, tmp, &pc.pc_pages, linkage) {
+ cfs_list_for_each_entry_safe_typed(tage, tmp, &pc.pc_pages,
+ struct trace_page, linkage) {
__LASSERT_TAGE_INVARIANT(tage);
pc.pc_want_daemon_pages = 1;
collect_pages(&pc);
- list_for_each_entry_safe(tage, tmp, &pc.pc_pages, linkage) {
+ cfs_list_for_each_entry_safe_typed(tage, tmp, &pc.pc_pages,
+ struct trace_page, linkage) {
__LASSERT_TAGE_INVARIANT(tage);
hdr = cfs_page_address(tage->page);
hdr->ph_flags |= PH_FLAG_FIRST_RECORD;
- list_for_each_entry_safe(tage, tmp, &pc.pc_pages, linkage) {
+ cfs_list_for_each_entry_safe_typed(tage, tmp, &pc.pc_pages,
+ struct trace_page, linkage) {
static loff_t f_pos;
__LASSERT_TAGE_INVARIANT(tage);
if (f_pos >= (off_t)tracefile_size)
f_pos = 0;
- else if (f_pos > cfs_filp_size(filp))
+ else if (f_pos > (off_t)cfs_filp_size(filp))
f_pos = cfs_filp_size(filp);
rc = cfs_filp_write(filp, cfs_page_address(tage->page),
tcd_for_each_type_lock(tcd, i) {
tcd->tcd_shutting_down = 1;
- list_for_each_entry_safe(tage, tmp, &tcd->tcd_pages, linkage) {
+ cfs_list_for_each_entry_safe_typed(tage, tmp, &tcd->tcd_pages,
+ struct trace_page, linkage) {
__LASSERT_TAGE_INVARIANT(tage);
list_del(&tage->linkage);
const char *file, int line);
/* ASSERTION that is safe to use within the debug system */
-#define __LASSERT(cond) \
-({ \
- if (unlikely(!(cond))) { \
- trace_assertion_failed("ASSERTION("#cond") failed", \
- __FUNCTION__, __FILE__, __LINE__); \
- } \
-})
-
-#define __LASSERT_TAGE_INVARIANT(tage) \
-({ \
- __LASSERT(tage != NULL); \
- __LASSERT(tage->page != NULL); \
- __LASSERT(tage->used <= CFS_PAGE_SIZE); \
- __LASSERT(cfs_page_count(tage->page) > 0); \
-})
+#define __LASSERT(cond) \
+ do { \
+ if (unlikely(!(cond))) { \
+ trace_assertion_failed("ASSERTION("#cond") failed", \
+ __FUNCTION__, __FILE__, __LINE__); \
+ } \
+ } while (0)
+
+#define __LASSERT_TAGE_INVARIANT(tage) \
+ do { \
+ __LASSERT(tage != NULL); \
+ __LASSERT(tage->page != NULL); \
+ __LASSERT(tage->used <= CFS_PAGE_SIZE); \
+ __LASSERT(cfs_page_count(tage->page) > 0); \
+ } while (0)
#endif /* LUSTRE_TRACEFILE_PRIVATE */
(void)s;
}
+void fini_rwsem(struct rw_semaphore *s)
+{
+ LASSERT(s != NULL);
+ (void)s;
+}
+
#ifdef HAVE_LIBPTHREAD
/*
pg->addr = mmap(0, PAGE_SIZE << order, PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0);
#elif defined (__DARWIN__)
pg->addr = valloc(CFS_PAGE_SIZE << order);
+#elif defined (__WINNT__)
+ pg->addr = pgalloc(order);
#else
pg->addr = memalign(CFS_PAGE_SIZE, CFS_PAGE_SIZE << order);
#endif
{
#if 0 //#ifdef MAP_ANONYMOUS
munmap(pg->addr, PAGE_SIZE);
+#elif defined (__WINNT__)
+ pgfree(pg->addr);
#else
free(pg->addr);
#endif
{
CFS_INIT_LIST_HEAD(&l->tl_list);
l->function = func;
- l->data = (unsigned long)arg;
+ l->data = (ulong_ptr_t)arg;
return;
}
-#define cfs_jiffies \
-({ \
- unsigned long _ret = 0; \
- struct timeval tv; \
- if (gettimeofday(&tv, NULL) == 0) \
- _ret = tv.tv_sec; \
- _ret; \
-})
-
int cfs_timer_is_armed(cfs_timer_t *l)
{
- if (cfs_time_before(cfs_jiffies, l->expires))
+ if (cfs_time_before(cfs_time_current(), l->expires))
return 1;
else
return 0;
void cfs_timer_disarm(cfs_timer_t *l)
{
}
-
-long cfs_timer_deadline(cfs_timer_t *l)
+cfs_time_t cfs_timer_deadline(cfs_timer_t *l)
{
return l->expires;
}
if (env == NULL)
return 0;
- *value = strtoull(env, &end, 0);
+ *value = (int)strtoull(env, &end, 0);
if (*end == 0)
return 0;
return 0;
}
+void libcfs_sock_release(int fd)
+{
+ close(fd);
+}
+
int
libcfs_sock_bind_to_port(int fd, __u16 port)
{
#define __USE_FILE_OFFSET64
#include <libcfs/libcfsutil.h>
-
#include <lnet/api-support.h>
#include <lnet/lnetctl.h>
}
if (ioc_dev_list[dev_id].dev_fd < 0) {
- int fd = open(dev_name, O_RDWR);
+ int fd = cfs_proc_open((char *)dev_name, O_RDWR);
/* Make the /dev/ node if we need to */
if (fd < 0 && errno == ENOENT) {
- if (mknod(dev_name,
+ if (cfs_proc_mknod(dev_name,
S_IFCHR|S_IWUSR|S_IRUSR,
MKDEV(ioc_dev_list[dev_id].dev_major,
ioc_dev_list[dev_id].dev_minor)) == 0)
- fd = open(dev_name, O_RDWR);
+ fd = cfs_proc_open((char *)dev_name, O_RDWR);
else
fprintf(stderr, "mknod %s failed: %s\n",
dev_name, strerror(errno));
if (fd < 0)
return fd;
- rc = ioctl(fd, opc, buf);
+ rc = cfs_proc_ioctl(fd, opc, buf);
return rc;
}
return;
if (ioc_dev_list[dev_id].dev_name != NULL &&
ioc_dev_list[dev_id].dev_fd >= 0)
- close(ioc_dev_list[dev_id].dev_fd);
+ cfs_proc_close(ioc_dev_list[dev_id].dev_fd);
ioc_dev_list[dev_id].dev_name = NULL;
ioc_dev_list[dev_id].dev_fd = -1;
parse_dump(char * dump_file, ioc_handler_t ioc_func)
{
int line =0;
- struct stat st;
char *start, *buf, *end;
-#ifndef __CYGWIN__
- int fd;
-#else
+
+#if defined(__CYGWIN__) || defined(__WINNT__)
+
HANDLE fd, hmap;
DWORD size;
-#endif
-
-#ifndef __CYGWIN__
+
+ fd = CreateFile(dump_file, GENERIC_READ, FILE_SHARE_READ, NULL,
+ OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
+ if (fd == INVALID_HANDLE_VALUE) {
+ fprintf(stderr, "couldn't open %s (error code: %u)\n",
+ dump_file, GetLastError());
+ exit(1);
+ }
+ size = GetFileSize(fd, NULL);
+ if (size < 1 || size == 0xFFFFFFFF) {
+ fprintf(stderr, "KML is empty\n");
+ CloseHandle(fd);
+ exit(1);
+ }
+
+ hmap = CreateFileMapping(fd, NULL, PAGE_READONLY, 0,0, NULL);
+ if (hmap == NULL) {
+ fprintf(stderr, "can't create file mapping\n");
+ CloseHandle(fd);
+ exit(1);
+ }
+ start = buf = MapViewOfFile(hmap, FILE_MAP_READ, 0, 0, 0);
+ if (start == NULL) {
+ fprintf(stderr, "can't map file content\n");
+ CloseHandle(hmap);
+ CloseHandle(fd);
+ exit(1);
+ }
+ end = buf + size;
+ CloseHandle(fd);
+ if (start == NULL) {
+ fprintf(stderr, "can't create file mapping\n");
+ UnmapViewOfFile(start);
+ CloseHandle(hmap);
+ exit(1);
+ }
+#else
+
+ struct stat st;
+ int fd;
+
fd = open(dump_file, O_RDONLY);
if (fd < 0) {
fprintf(stderr, "couldn't open %s: %s\n", dump_file,
fprintf(stderr, "can't create file mapping\n");
exit(1);
}
-#else
- fd = CreateFile(dump_file, GENERIC_READ, FILE_SHARE_READ, NULL,
- OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
- size = GetFileSize(fd, NULL);
- if (size < 1) {
- fprintf(stderr, "KML is empty\n");
- exit(1);
- }
-
- hmap = CreateFileMapping(fd, NULL, PAGE_READONLY, 0,0, NULL);
- start = buf = MapViewOfFile(hmap, FILE_MAP_READ, 0, 0, 0);
- end = buf + size;
- CloseHandle(fd);
- if (start == NULL) {
- fprintf(stderr, "can't create file mapping\n");
- exit(1);
- }
-#endif /* __CYGWIN__ */
+#endif
while (buf < end) {
struct dump_hdr *dump_hdr = (struct dump_hdr *) buf;
buf += data->ioc_len + sizeof(*dump_hdr);
}
-#ifndef __CYGWIN__
- munmap(start, end - start);
-#else
+#if defined(__CYGWIN__) || defined(__WINNT__)
UnmapViewOfFile(start);
CloseHandle(hmap);
+#else
+ munmap(start, end - start);
#endif
return 0;
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
-#include <stdio.h>
-#include <stdlib.h>
-#include <ctype.h>
-#include <string.h>
-#include <stddef.h>
-#include <unistd.h>
-#include <sys/param.h>
-#include <assert.h>
#include <libcfs/libcfsutil.h>
this with strtok*/
name = skipwhitespace(name);
*next = skiptowhitespace(name);
- len = *next - name;
+ len = (int)(*next - name);
if (len == 0)
return NULL;
if ((c = fgetc(stdin)) != EOF) {
if (c == '\n')
goto out;
- *ptr++ = c;
+ *ptr++ = (char)c;
if (ptr - line >= size - 1) {
char *tmp;
*/
static struct completion lcw_start_completion;
static struct completion lcw_stop_completion;
-static wait_queue_head_t lcw_event_waitq;
+static cfs_waitq_t lcw_event_waitq;
/*
* Set this and wake lcw_event_waitq to stop the dispatcher.
*/
static spinlock_t lcw_pending_timers_lock = SPIN_LOCK_UNLOCKED; /* BH lock! */
static struct list_head lcw_pending_timers = \
- LIST_HEAD_INIT(lcw_pending_timers);
+ CFS_LIST_HEAD_INIT(lcw_pending_timers);
#ifdef HAVE_TASKLIST_LOCK
static void
tsk = find_task_by_pid(lcw->lcw_pid);
if (tsk == NULL) {
- CWARN("Process %d was not found in the task list; "
- "watchdog callback may be incomplete\n", (int)lcw->lcw_pid);
+ CWARN("Process " LPPID " was not found in the task list; "
+ "watchdog callback may be incomplete\n", lcw->lcw_pid);
} else if (tsk != lcw->lcw_task) {
- CWARN("The current process %d did not set the watchdog; "
- "watchdog callback may be incomplete\n", (int)lcw->lcw_pid);
+ CWARN("The current process " LPPID " did not set the watchdog; "
+ "watchdog callback may be incomplete\n", lcw->lcw_pid);
} else {
libcfs_debug_dumpstack(tsk);
}
}
#endif
-static void lcw_cb(unsigned long data)
+static void lcw_cb(ulong_ptr_t data)
{
struct lc_watchdog *lcw = (struct lc_watchdog *)data;
/* NB this warning should appear on the console, but may not get into
* the logs since we're running in a softirq handler */
- CWARN("Watchdog triggered for pid %d: it was inactive for %lds\n",
- (int)lcw->lcw_pid, cfs_duration_sec(lcw->lcw_time));
+ CWARN("Watchdog triggered for pid: " LPPID " it was inactive for %lds\n",
+ lcw->lcw_pid, cfs_duration_sec(lcw->lcw_time));
lcw_dump(lcw);
spin_lock_bh(&lcw_pending_timers_lock);
if (list_empty(&lcw->lcw_list)) {
list_add(&lcw->lcw_list, &lcw_pending_timers);
- wake_up(&lcw_event_waitq);
+ cfs_waitq_signal(&lcw_event_waitq);
}
spin_unlock_bh(&lcw_pending_timers_lock);
complete(&lcw_start_completion);
while (1) {
- wait_event_interruptible(lcw_event_waitq, is_watchdog_fired());
+ cfs_wait_event_interruptible(lcw_event_waitq, is_watchdog_fired(), rc);
CDEBUG(D_INFO, "Watchdog got woken up...\n");
if (test_bit(LCW_FLAG_STOP, &lcw_flags)) {
CDEBUG(D_INFO, "LCW_FLAG_STOP was set, shutting down...\n");
list_del_init(&lcw->lcw_list);
spin_unlock_bh(&lcw_pending_timers_lock);
- CDEBUG(D_INFO, "found lcw for pid %d: inactive for "
- "%lds\n", (int)lcw->lcw_pid,
- cfs_duration_sec(lcw->lcw_time));
+ CDEBUG(D_INFO, "found lcw for pid " LPPID ": inactive for "
+ "%lds\n", lcw->lcw_pid, cfs_duration_sec(lcw->lcw_time));
if (lcw->lcw_state != LC_WATCHDOG_DISABLED)
lcw->lcw_callback(lcw->lcw_pid, lcw->lcw_data);
init_completion(&lcw_stop_completion);
init_completion(&lcw_start_completion);
- init_waitqueue_head(&lcw_event_waitq);
+ cfs_waitq_init(&lcw_event_waitq);
CDEBUG(D_INFO, "starting dispatch thread\n");
rc = kernel_thread(lcw_dispatch_main, NULL, 0);
CDEBUG(D_INFO, "trying to stop watchdog dispatcher.\n");
set_bit(LCW_FLAG_STOP, &lcw_flags);
- wake_up(&lcw_event_waitq);
+ cfs_waitq_signal(&lcw_event_waitq);
wait_for_completion(&lcw_stop_completion);
lcw->lcw_data = data;
lcw->lcw_state = LC_WATCHDOG_DISABLED;
- INIT_LIST_HEAD(&lcw->lcw_list);
-
- lcw->lcw_timer.function = lcw_cb;
- lcw->lcw_timer.data = (unsigned long)lcw;
- lcw->lcw_timer.expires = jiffies + lcw->lcw_time;
- init_timer(&lcw->lcw_timer);
+ CFS_INIT_LIST_HEAD(&lcw->lcw_list);
+ cfs_timer_init(&lcw->lcw_timer, lcw_cb, lcw);
down(&lcw_refcount_sem);
if (++lcw_refcount == 1)
/* Keep this working in case we enable them by default */
if (lcw->lcw_state == LC_WATCHDOG_ENABLED) {
do_gettimeofday(&lcw->lcw_last_touched);
- add_timer(&lcw->lcw_timer);
+ cfs_timer_arm(&lcw->lcw_timer, lcw->lcw_time +
+ cfs_time_current());
}
RETURN(lcw);
do_gettimeofday(&newtime);
if (lcw->lcw_state == LC_WATCHDOG_EXPIRED) {
cfs_timeval_sub(&newtime, &lcw->lcw_last_touched, &timediff);
- CWARN("Expired watchdog for pid %d %s after %lu.%.4lus\n",
+ CWARN("Expired watchdog for pid " LPPID " %s after %lu.%.4lus\n",
lcw->lcw_pid,
message,
timediff.tv_sec,
lcw_update_time(lcw, "touched");
lcw->lcw_state = LC_WATCHDOG_ENABLED;
- mod_timer(&lcw->lcw_timer, jiffies +
- cfs_time_seconds(timeout_ms) / 1000);
+ cfs_timer_arm(&lcw->lcw_timer, cfs_time_current() +
+ cfs_time_seconds(timeout_ms) / 1000);
EXIT;
}
/* deprecated - use above instead */
void lc_watchdog_touch(struct lc_watchdog *lcw)
{
- lc_watchdog_touch_ms(lcw, cfs_duration_sec(lcw->lcw_time) * 1000);
+ lc_watchdog_touch_ms(lcw, (int)cfs_duration_sec(lcw->lcw_time) * 1000);
}
EXPORT_SYMBOL(lc_watchdog_touch);
ENTRY;
LASSERT(lcw != NULL);
- del_timer(&lcw->lcw_timer);
+ cfs_timer_disarm(&lcw->lcw_timer);
lcw_update_time(lcw, "deleted");
void lc_watchdog_dumplog(pid_t pid, void *data)
{
- libcfs_debug_dumplog_internal((void *)((unsigned long)pid));
+ libcfs_debug_dumplog_internal((void *)((long_ptr_t)pid));
}
EXPORT_SYMBOL(lc_watchdog_dumplog);
#include <libcfs/libcfs.h>
-
/*
* Implementation of cfs_curproc API (see portals/include/libcfs/curproc.h)
* for Linux kernel.
*/
-cfs_task_t this_task =
- { 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 1, 0, 0, 0, 0,
- "sysetm\0" };
+cfs_task_t this_task =
+ { /* umask */ 0,/* blocked*/0, /* pid */ 0, /* pgrp */ 0,
+ /* uid,euid,suid,fsuid */ 0, 0, 0, 0,
+ /* gid_t gid,egid,sgid,fsgid */ 0, 0, 0, 0,
+ /* ngroups*/ 1, /*cgroups*/ 0, /*groups*/ 0,
+ /* group_info */ NULL,
+ /* cap_effective, cap_inheritable, cap_permitted */ 0, 0, 0,
+ /* comm */"sysetm\0",
+ /* journal_info */ NULL
+ };
uid_t cfs_curproc_uid(void)
/* global of the task manager structure */
-TASK_MAN TaskMan;
+TASK_MAN cfs_win_task_manger;
+/* global idr context */
+struct idr_context * cfs_win_task_slot_idp = NULL;
/*
* task slot routiens
{
PTASK_SLOT task = NULL;
- if (TaskMan.slab) {
- task = cfs_mem_cache_alloc(TaskMan.slab, 0);
+ if (cfs_win_task_manger.slab) {
+ task = cfs_mem_cache_alloc(cfs_win_task_manger.slab, 0);
} else {
task = cfs_alloc(sizeof(TASK_SLOT), 0);
}
memset(task, 0, sizeof(TASK_SLOT));
task->Magic = TASKSLT_MAGIC;
task->task = this_task;
- task->task.pid = (pid_t)PsGetCurrentThreadId();
cfs_init_event(&task->Event, TRUE, FALSE);
}
-
void
cleanup_task_slot(PTASK_SLOT task)
{
- if (TaskMan.slab) {
- cfs_mem_cache_free(TaskMan.slab, task);
+ if (task->task.pid) {
+ cfs_idr_remove(cfs_win_task_slot_idp, task->task.pid);
+ }
+
+ if (cfs_win_task_manger.slab) {
+ cfs_mem_cache_free(cfs_win_task_manger.slab, task);
} else {
cfs_free(task);
}
PLIST_ENTRY ListEntry = NULL;
PTASK_SLOT TaskSlot = NULL;
- spin_lock(&(TaskMan.Lock));
+ spin_lock(&(cfs_win_task_manger.Lock));
- ListEntry = TaskMan.TaskList.Flink;
-
- while (ListEntry != (&(TaskMan.TaskList))) {
+ ListEntry = cfs_win_task_manger.TaskList.Flink;
+ while (ListEntry != (&(cfs_win_task_manger.TaskList))) {
TaskSlot = CONTAINING_RECORD(ListEntry, TASK_SLOT, Link);
if (TaskSlot->Pid == ProcessId && TaskSlot->Tid == ThreadId) {
- if (Create) {
-/*
- DbgPrint("task_manager_notify: Pid=%xh Tid %xh resued (TaskSlot->Tet = %xh)...\n",
- ProcessId, ThreadId, TaskSlot->Tet);
-*/
- } else {
+ if (!Create) {
/* remove the taskslot */
RemoveEntryList(&(TaskSlot->Link));
- TaskMan.NumOfTasks--;
+ cfs_win_task_manger.NumOfTasks--;
/* now free the task slot */
cleanup_task_slot(TaskSlot);
ListEntry = ListEntry->Flink;
}
- spin_unlock(&(TaskMan.Lock));
+ spin_unlock(&(cfs_win_task_manger.Lock));
}
int
NTSTATUS status;
/* initialize the content and magic */
- memset(&TaskMan, 0, sizeof(TASK_MAN));
- TaskMan.Magic = TASKMAN_MAGIC;
+ memset(&cfs_win_task_manger, 0, sizeof(TASK_MAN));
+ cfs_win_task_manger.Magic = TASKMAN_MAGIC;
/* initialize the spinlock protection */
- spin_lock_init(&TaskMan.Lock);
+ spin_lock_init(&cfs_win_task_manger.Lock);
/* create slab memory cache */
- TaskMan.slab = cfs_mem_cache_create(
+ cfs_win_task_manger.slab = cfs_mem_cache_create(
"TSLT", sizeof(TASK_SLOT), 0, 0);
/* intialize the list header */
- InitializeListHead(&(TaskMan.TaskList));
+ InitializeListHead(&(cfs_win_task_manger.TaskList));
+
+ cfs_win_task_slot_idp = cfs_idr_init();
+ if (!cfs_win_task_slot_idp) {
+ return -ENOMEM;
+ }
/* set the thread creation/destruction notify routine */
status = PsSetCreateThreadNotifyRoutine(task_manager_notify);
if (!NT_SUCCESS(status)) {
cfs_enter_debugger();
+ /* remove idr context */
+ if (cfs_win_task_slot_idp) {
+ cfs_idr_exit(cfs_win_task_slot_idp);
+ cfs_win_task_slot_idp = NULL;
+ }
+ return cfs_error_code(status);
}
return 0;
PLIST_ENTRY ListEntry = NULL;
PTASK_SLOT TaskSlot = NULL;
- /* we must stay in system since we succeed to register the
- CreateThreadNotifyRoutine: task_manager_notify */
- cfs_enter_debugger();
+ /* remove ThreadNotifyRoutine: task_manager_notify */
+ PsRemoveCreateThreadNotifyRoutine(task_manager_notify);
+ /* remove idr context */
+ if (cfs_win_task_slot_idp) {
+ cfs_idr_exit(cfs_win_task_slot_idp);
+ cfs_win_task_slot_idp = NULL;
+ }
/* cleanup all the taskslots attached to the list */
- spin_lock(&(TaskMan.Lock));
+ spin_lock(&(cfs_win_task_manger.Lock));
- while (!IsListEmpty(&(TaskMan.TaskList))) {
+ while (!IsListEmpty(&(cfs_win_task_manger.TaskList))) {
- ListEntry = TaskMan.TaskList.Flink;
+ ListEntry = cfs_win_task_manger.TaskList.Flink;
TaskSlot = CONTAINING_RECORD(ListEntry, TASK_SLOT, Link);
RemoveEntryList(ListEntry);
cleanup_task_slot(TaskSlot);
}
- spin_unlock(&TaskMan.Lock);
+ spin_unlock(&cfs_win_task_manger.Lock);
/* destroy the taskslot cache slab */
- cfs_mem_cache_destroy(TaskMan.slab);
- memset(&TaskMan, 0, sizeof(TASK_MAN));
+ cfs_mem_cache_destroy(cfs_win_task_manger.slab);
+ memset(&cfs_win_task_manger, 0, sizeof(TASK_MAN));
}
PLIST_ENTRY ListEntry = NULL;
PTASK_SLOT TaskSlot = NULL;
- spin_lock(&(TaskMan.Lock));
+ spin_lock(&(cfs_win_task_manger.Lock));
- ListEntry = TaskMan.TaskList.Flink;
-
- while (ListEntry != (&(TaskMan.TaskList))) {
+ ListEntry = cfs_win_task_manger.TaskList.Flink;
+ while (ListEntry != (&(cfs_win_task_manger.TaskList))) {
TaskSlot = CONTAINING_RECORD(ListEntry, TASK_SLOT, Link);
-
if (TaskSlot->Pid == Pid && TaskSlot->Tid == Tid) {
if (TaskSlot->Tet != Tet) {
-/*
- DbgPrint("cfs_current: Pid=%xh Tid %xh Tet = %xh resued (TaskSlot->Tet = %xh)...\n",
- Pid, Tid, Tet, TaskSlot->Tet);
-*/
//
// The old thread was already exit. This must be a
// new thread which get the same Tid to the previous.
} else {
- if ((ULONG)TaskSlot->Pid > (ULONG)Pid) {
+ if (TaskSlot->Pid > Pid) {
TaskSlot = NULL;
break;
- } else if ((ULONG)TaskSlot->Pid == (ULONG)Pid) {
- if ((ULONG)TaskSlot->Tid > (ULONG)Tid) {
+ } else if (TaskSlot->Pid == Pid) {
+ if (TaskSlot->Tid > Tid) {
TaskSlot = NULL;
break;
}
}
-
TaskSlot = NULL;
}
if (!TaskSlot) {
+ /* allocate new task slot */
TaskSlot = alloc_task_slot();
-
if (!TaskSlot) {
cfs_enter_debugger();
goto errorout;
}
+ /* set task slot IDs */
init_task_slot(TaskSlot);
-
TaskSlot->Pid = Pid;
TaskSlot->Tid = Tid;
TaskSlot->Tet = Tet;
+ TaskSlot->task.pid = (pid_t)cfs_idr_get_new(cfs_win_task_slot_idp, Tet);
- if (ListEntry == (&(TaskMan.TaskList))) {
+ if (ListEntry == (&(cfs_win_task_manger.TaskList))) {
//
// Empty case or the biggest case, put it to the tail.
//
- InsertTailList(&(TaskMan.TaskList), &(TaskSlot->Link));
+ InsertTailList(&(cfs_win_task_manger.TaskList), &(TaskSlot->Link));
} else {
//
// Get a slot and smaller than it's tid, put it just before.
InsertHeadList(ListEntry->Blink, &(TaskSlot->Link));
}
- TaskMan.NumOfTasks++;
+ cfs_win_task_manger.NumOfTasks++;
}
//
{
PTASK_SLOT Prev = NULL, Curr = NULL;
- ListEntry = TaskMan.TaskList.Flink;
+ ListEntry = cfs_win_task_manger.TaskList.Flink;
- while (ListEntry != (&(TaskMan.TaskList))) {
+ while (ListEntry != (&(cfs_win_task_manger.TaskList))) {
Curr = CONTAINING_RECORD(ListEntry, TASK_SLOT, Link);
ListEntry = ListEntry->Flink;
if (Prev) {
- if ((ULONG)Prev->Pid > (ULONG)Curr->Pid) {
+ if (Prev->Pid > Curr->Pid) {
cfs_enter_debugger();
- } else if ((ULONG)Prev->Pid == (ULONG)Curr->Pid) {
- if ((ULONG)Prev->Tid > (ULONG)Curr->Tid) {
+ } else if (Prev->Pid == Curr->Pid) {
+ if (Prev->Tid > Curr->Tid) {
cfs_enter_debugger();
}
}
errorout:
- spin_unlock(&(TaskMan.Lock));
+ spin_unlock(&(cfs_win_task_manger.Lock));
if (!TaskSlot) {
cfs_enter_debugger();
return (&(TaskSlot->task));
}
-int
-schedule_timeout(int64_t time)
+/* deschedule for a bit... */
+void
+cfs_pause(cfs_duration_t ticks)
+{
+ cfs_schedule_timeout(CFS_TASK_UNINTERRUPTIBLE, ticks);
+}
+
+void
+our_cond_resched()
+{
+ cfs_schedule_timeout(CFS_TASK_UNINTERRUPTIBLE, 1i64);
+}
+
+void
+cfs_schedule_timeout(cfs_task_state_t state, int64_t time)
{
cfs_task_t * task = cfs_current();
PTASK_SLOT slot = NULL;
if (!task) {
cfs_enter_debugger();
- return 0;
+ return;
}
slot = CONTAINING_RECORD(task, TASK_SLOT, task);
time = 0;
}
- return (cfs_wait_event(&(slot->Event), time) != 0);
+ cfs_wait_event_internal(&(slot->Event), time);
}
-int
-schedule()
+void
+cfs_schedule()
{
- return schedule_timeout(0);
+ cfs_schedule_timeout(CFS_TASK_UNINTERRUPTIBLE, 0);
}
int
}
void
-sleep_on(
- cfs_waitq_t *waitq
- )
+sleep_on(cfs_waitq_t *waitq)
{
cfs_waitlink_t link;
#include <libcfs/libcfs.h>
#include "tracefile.h"
-void lnet_debug_dumpstack(cfs_task_t *tsk)
+void libcfs_debug_dumpstack(cfs_task_t *tsk)
{
return;
}
-cfs_task_t *lnet_current(void)
+void libcfs_run_debug_log_upcall(char *file)
{
- return cfs_current();
}
-int lnet_arch_debug_init(unsigned long bufsize)
+cfs_task_t *libcfs_current(void)
{
- return 0;
-}
-
-int lnet_arch_debug_cleanup(void)
-{
- return 0;
+ return cfs_current();
}
void libcfs_run_lbug_upcall(const char *file, const char *fn, const int line)
{
}
-void libcfs_debug_dumplog(void)
-{
-}
-
void lbug_with_loc(const char *file, const char *func, const int line)
{
libcfs_catastrophe = 1;
CEMERG("LBUG: pid: %u thread: %#x\n",
- (unsigned)cfs_curproc_pid(), (unsigned)PsGetCurrentThread());
+ cfs_curproc_pid(), PsGetCurrentThread());
+ cfs_enter_debugger();
libcfs_debug_dumplog();
libcfs_run_lbug_upcall(file, func, line);
}
-#if TDI_LIBCFS_DBG
+void cfs_enter_debugger(void)
+{
+# if _X86_
+ __asm int 3;
+# else
+ KdBreakPoint();
+# endif
+}
+
+#if DBG
/*
* Definitions
*/
-LONG KsDebugLevel = 0x5;
+LONG KsDebugLevel = 1;
/*
...
)
{
- va_list ap;
+ LARGE_INTEGER tick;
+ va_list ap;
va_start(ap, DebugMessage);
-
- if (DebugPrintLevel <= KsDebugLevel)
- {
+ if (DebugPrintLevel <= KsDebugLevel) {
CHAR buffer[0x200];
-
+ KeQueryTickCount(&tick);
vsprintf(buffer, DebugMessage, ap);
-
- KdPrint(("TID:%8.8x: %s", PsGetCurrentThread(), buffer));
+ KdPrint(("%8.8X cpu:%d:%d tid:%p %s",
+ tick.LowPart,
+ KeGetCurrentProcessorNumber(),
+ KeGetCurrentIrql(),
+ PsGetCurrentThread(), buffer));
}
-
va_end(ap);
} // KsPrint()
#endif
+
+
+void libcfs_panic(char *msg)
+{
+ DbgPrint("%s", msg);
+ cfs_enter_debugger();
+}
+
+/* BUGCHECK callback record */
+static int libcfs_bugcheck_inited = 0;
+KBUGCHECK_CALLBACK_RECORD libcfs_bugcheck_record;
+
+void
+libcfs_bugcheck_callback(
+ IN PVOID Buffer,
+ IN ULONG Length
+ )
+{
+ cfs_enter_debugger();
+}
+
+
+void libcfs_register_panic_notifier(void)
+{
+ if (libcfs_bugcheck_inited) {
+ return;
+ }
+
+ KeInitializeCallbackRecord(&libcfs_bugcheck_record);
+ KeRegisterBugCheckCallback(&libcfs_bugcheck_record,
+ libcfs_bugcheck_callback,
+ &libcfs_bugcheck_record,
+ sizeof(KBUGCHECK_CALLBACK_RECORD),
+ "Lustre");
+}
+
+void libcfs_unregister_panic_notifier(void)
+{
+ if (!libcfs_bugcheck_inited) {
+ return;
+ }
+
+ KeDeregisterBugCheckCallback(&libcfs_bugcheck_record);
+}
#include <libcfs/libcfs.h>
-const CHAR *dos_file_prefix = "\\??\\";
+const CHAR *dos_file_prefix[] = {
+ "\\??\\", "\\DosDevices\\",
+ "\\SystemRoot\\", NULL};
/*
* cfs_filp_open
* N/A
*/
+#define is_drv_letter_valid(x) (((x) >= 0 && (x) <= 9) || \
+ ( ((x)|0x20) <= 'z' && ((x)|0x20) >= 'a'))
+
cfs_file_t *cfs_filp_open(const char *name, int flags, int mode, int *err)
{
cfs_file_t * fp = NULL;
PUCHAR AnsiString = NULL;
/* Analyze the flags settings */
-
if (cfs_is_flag_set(flags, O_WRONLY)) {
DesiredAccess = (GENERIC_WRITE | SYNCHRONIZE);
ShareAccess = 0;
}
/* Initialize the unicode path name for the specified file */
-
NameLength = (USHORT)strlen(name);
+ /* Check file & path name */
if (name[0] != '\\') {
- PrefixLength = (USHORT)strlen(dos_file_prefix);
+ if (NameLength < 1 || name[1] != ':' || !is_drv_letter_valid(name[0])) {
+ /* invalid file path name */
+ if (err) *err = -EINVAL;
+ return NULL;
+ }
+ PrefixLength = (USHORT)strlen(dos_file_prefix[0]);
+ } else {
+ int i, j;
+ for (i=0; i < 3 && dos_file_prefix[i] != NULL; i++) {
+ j = strlen(dos_file_prefix[i]);
+ if (NameLength > j && _strnicmp(dos_file_prefix[i], name, j) == 0) {
+ break;
+ }
+ }
+ if (i >= 3) {
+ if (err) *err = -EINVAL;
+ return NULL;
+ }
}
AnsiString = cfs_alloc( sizeof(CHAR) * (NameLength + PrefixLength + 1),
UnicodeString = cfs_alloc( sizeof(WCHAR) * (NameLength + PrefixLength + 1),
CFS_ALLOC_ZERO);
-
if (NULL == UnicodeString) {
if (err) *err = -ENOMEM;
cfs_free(AnsiString);
}
if (PrefixLength) {
- RtlCopyMemory(&AnsiString[0], dos_file_prefix , PrefixLength);
+ RtlCopyMemory(&AnsiString[0], dos_file_prefix[0], PrefixLength);
}
RtlCopyMemory(&AnsiString[PrefixLength], name, NameLength);
RtlAnsiStringToUnicodeString(&UnicodeName, &AnsiName, FALSE);
/* Setup the object attributes structure for the file. */
-
InitializeObjectAttributes(
&ObjectAttributes,
&UnicodeName,
NULL );
/* Now to open or create the file now */
-
Status = ZwCreateFile(
&FileHandle,
DesiredAccess,
0 );
/* Check the returned status of IoStatus... */
-
if (!NT_SUCCESS(IoStatus.Status)) {
- *err = cfs_error_code(IoStatus.Status);
+ if (err) {
+ *err = cfs_error_code(IoStatus.Status);
+ }
cfs_free(UnicodeString);
cfs_free(AnsiString);
return NULL;
}
/* Allocate the cfs_file_t: libcfs file object */
-
fp = cfs_alloc(sizeof(cfs_file_t) + NameLength, CFS_ALLOC_ZERO);
if (NULL == fp) {
Status = ZwClose(FileHandle);
ASSERT(NT_SUCCESS(Status));
- *err = -ENOMEM;
+ if (err) {
+ *err = -ENOMEM;
+ }
cfs_free(UnicodeString);
cfs_free(AnsiString);
return NULL;
fp->f_flags = flags;
fp->f_mode = (mode_t)mode;
fp->f_count = 1;
- *err = 0;
+ if (err) {
+ *err = 0;
+ }
/* free the memory of temporary name strings */
cfs_free(UnicodeString);
}
+NTSTATUS CompletionRoutine(PDEVICE_OBJECT DeviceObject, PIRP Irp, PVOID Context)
+{
+ /* copy the IoStatus result */
+ if (Irp->UserIosb)
+ *Irp->UserIosb = Irp->IoStatus;
+
+ /* singal the event we set */
+ KeSetEvent((PKEVENT) Context, 0, FALSE);
+
+ /* free the Irp we allocated */
+ IoFreeIrp(Irp);
+
+ return STATUS_MORE_PROCESSING_REQUIRED;
+}
+
+
+NTSTATUS cfs_nt_filp_io(HANDLE Handle, BOOLEAN Writing, PLARGE_INTEGER Offset,
+ ULONG Length, PUCHAR Buffer, PULONG Bytes)
+{
+ NTSTATUS status;
+ IO_STATUS_BLOCK iosb;
+
+ PIRP irp = NULL;
+ PIO_STACK_LOCATION irpSp = NULL;
+
+ PFILE_OBJECT fileObject = NULL;
+ PDEVICE_OBJECT deviceObject;
+
+ KEVENT event;
+
+ KeInitializeEvent(&event, SynchronizationEvent, FALSE);
+
+ status = ObReferenceObjectByHandle( Handle,
+ Writing ? FILE_WRITE_DATA :
+ FILE_READ_DATA,
+ *IoFileObjectType,
+ KernelMode,
+ (PVOID *) &fileObject,
+ NULL );
+ if (!NT_SUCCESS(status)) {
+ goto errorout;
+ }
+
+ /* query the DeviceObject in case no input */
+ deviceObject = IoGetBaseFileSystemDeviceObject(fileObject);
+
+
+ /* allocate our own irp */
+ irp = IoAllocateIrp(deviceObject->StackSize, FALSE);
+ if (NULL == irp) {
+ status = STATUS_INSUFFICIENT_RESOURCES;
+ goto errorout;
+ }
+
+ irp->Tail.Overlay.OriginalFileObject = fileObject;
+ irp->Tail.Overlay.Thread = PsGetCurrentThread();
+ irp->Tail.Overlay.AuxiliaryBuffer = (PVOID) NULL;
+ irp->PendingReturned = FALSE;
+ irp->Cancel = FALSE;
+ irp->CancelRoutine = (PDRIVER_CANCEL) NULL;
+ irp->RequestorMode = KernelMode;
+ irp->UserIosb = &iosb;
+
+ /* set up the next I/O stack location. */
+ irpSp = (PIO_STACK_LOCATION)IoGetNextIrpStackLocation(irp);
+ irpSp->MajorFunction = Writing ? IRP_MJ_WRITE : IRP_MJ_READ;
+ irpSp->FileObject = fileObject;
+ irpSp->DeviceObject = deviceObject;
+
+ if (deviceObject->Flags & DO_BUFFERED_IO) {
+ irp->AssociatedIrp.SystemBuffer = Buffer;
+ irp->UserBuffer = Buffer;
+ irp->Flags |= (ULONG) (IRP_BUFFERED_IO |
+ IRP_INPUT_OPERATION);
+ } else if (deviceObject->Flags & DO_DIRECT_IO) {
+
+ PMDL mdl = NULL;
+
+ mdl = IoAllocateMdl(Buffer, Length, FALSE, TRUE, irp);
+ if (mdl == NULL) {
+ KsPrint((0, "cfs_nt_filp_io: failed to allocate MDL for %wZ .\n",
+ &fileObject->FileName));
+ status = STATUS_INSUFFICIENT_RESOURCES;
+ goto errorout;
+ }
+
+ __try {
+ MmProbeAndLockPages(mdl, KernelMode, Writing ? IoReadAccess : IoWriteAccess );
+ } __except(EXCEPTION_EXECUTE_HANDLER) {
+ KsPrint((0, "cfs_nt_filp_io: failed to lock buffer %p for %wZ .\n",
+ Buffer, &fileObject->FileName));
+ IoFreeMdl(irp->MdlAddress);
+ irp->MdlAddress = NULL;
+ status = STATUS_INSUFFICIENT_RESOURCES;
+ }
+ } else {
+ irp->UserBuffer = Buffer;
+ irp->Flags = 0;
+ }
+
+ if (Writing) {
+ irp->Flags |= IRP_WRITE_OPERATION | IRP_DEFER_IO_COMPLETION;
+ irpSp->Parameters.Write.Length = Length;
+ irpSp->Parameters.Write.ByteOffset = *Offset;
+ } else {
+ irp->Flags |= IRP_READ_OPERATION | IRP_DEFER_IO_COMPLETION;
+ irpSp->Parameters.Read.Length = Length;
+ irpSp->Parameters.Read.ByteOffset = *Offset;
+ }
+
+ /* set the Irp completion routine */
+ IoSetCompletionRoutine( irp, CompletionRoutine,
+ &event, TRUE, TRUE, TRUE);
+
+
+ /* issue the irp to the lower layer device */
+ status = IoCallDriver(deviceObject, irp);
+
+ /* Irp is to be cleaned up in the compleiton routine */
+ irp = NULL;
+
+ if (status == STATUS_PENDING) {
+
+ /* we need wait until operation is completed, then we can
+ get the returned status and information length */
+
+ status = KeWaitForSingleObject(
+ &event,
+ Executive,
+ KernelMode,
+ FALSE,
+ NULL
+ );
+ if (NT_SUCCESS(status)) {
+ status = iosb.Status;
+ }
+ }
+
+ if (NT_SUCCESS(status)) {
+ *Bytes = (ULONG)iosb.Information;
+ } else {
+ *Bytes = 0;
+ }
+
+errorout:
+
+ if (fileObject) {
+ ObDereferenceObject(fileObject);
+ }
+
+ /* free the Irp in error case */
+ if (irp) {
+ IoFreeIrp(irp);
+ }
+
+ return status;
+}
+
/*
* cfs_filp_read
* To read data from the opened file
int cfs_filp_read(cfs_file_t *fp, void *buf, size_t nbytes, loff_t *pos)
{
- LARGE_INTEGER address;
- NTSTATUS Status;
- IO_STATUS_BLOCK IoStatus;
-
+ LARGE_INTEGER offset;
+ NTSTATUS status;
int rc = 0;
/* Read data from the file into the specified buffer */
-
if (pos != NULL) {
- address.QuadPart = *pos;
+ offset.QuadPart = *pos;
} else {
- address.QuadPart = fp->f_pos;
+ offset.QuadPart = fp->f_pos;
}
- Status = ZwReadFile( fp->f_handle,
- 0,
- NULL,
- NULL,
- &IoStatus,
- buf,
- nbytes,
- &address,
- NULL );
+ status = cfs_nt_filp_io(fp->f_handle, 0, &offset,
+ nbytes, buf, &rc);
- if (!NT_SUCCESS(IoStatus.Status)) {
- rc = cfs_error_code(IoStatus.Status);
- } else {
- rc = (int)IoStatus.Information;
- fp->f_pos = address.QuadPart + rc;
-
- if (pos != NULL) {
+ if (!NT_SUCCESS(status)) {
+ rc = cfs_error_code(status);
+ }
+
+ if (rc > 0) {
+ fp->f_pos = offset.QuadPart + rc;
+ if (pos != NULL)
*pos = fp->f_pos;
- }
}
- return rc;
+ return rc;
}
-
/*
* cfs_filp_wrtie
* To write specified data to the opened file
int cfs_filp_write(cfs_file_t *fp, void *buf, size_t nbytes, loff_t *pos)
{
- LARGE_INTEGER address;
- NTSTATUS Status;
- IO_STATUS_BLOCK IoStatus;
+ LARGE_INTEGER offset;
+ NTSTATUS status;
int rc = 0;
- /* Write user specified data into the file */
-
+ /* Read data from the file into the specified buffer */
if (pos != NULL) {
- address.QuadPart = *pos;
+ offset.QuadPart = *pos;
} else {
- address.QuadPart = fp->f_pos;
+ offset.QuadPart = fp->f_pos;
}
- Status = ZwWriteFile( fp->f_handle,
- 0,
- NULL,
- NULL,
- &IoStatus,
- buf,
- nbytes,
- &address,
- NULL );
+ status = cfs_nt_filp_io(fp->f_handle, 1, &offset,
+ nbytes, buf, &rc);
- if (!NT_SUCCESS(Status)) {
- rc = cfs_error_code(Status);
- } else {
- rc = (int)IoStatus.Information;
- fp->f_pos = address.QuadPart + rc;
-
- if (pos != NULL) {
+ if (!NT_SUCCESS(status)) {
+ rc = cfs_error_code(status);
+ }
+
+ if (rc > 0) {
+ fp->f_pos = offset.QuadPart + rc;
+ if (pos != NULL)
*pos = fp->f_pos;
- }
}
return rc;
}
-
-NTSTATUS
-CompletionRoutine(
- PDEVICE_OBJECT DeviceObject,
- PIRP Irp,
- PVOID Context)
-{
- /* copy the IoStatus result */
- *Irp->UserIosb = Irp->IoStatus;
-
- /* singal the event we set */
- KeSetEvent(Irp->UserEvent, 0, FALSE);
-
- /* free the Irp we allocated */
- IoFreeIrp(Irp);
-
- return STATUS_MORE_PROCESSING_REQUIRED;
-}
-
-
/*
* cfs_filp_fsync
* To sync the dirty data of the file to disk
PIO_STACK_LOCATION IrpSp;
/* get the FileObject and the DeviceObject */
-
Status = ObReferenceObjectByHandle(
fp->f_handle,
FILE_WRITE_DATA,
DeviceObject = IoGetRelatedDeviceObject(FileObject);
/* allocate a new Irp */
-
Irp = IoAllocateIrp(DeviceObject->StackSize, FALSE);
-
if (!Irp) {
-
ObDereferenceObject(FileObject);
return -ENOMEM;
}
KeInitializeEvent(&Event, SynchronizationEvent, FALSE);
/* setup the Irp */
- Irp->UserEvent = &Event;
Irp->UserIosb = &IoSb;
Irp->RequestorMode = KernelMode;
IrpSp->DeviceObject = DeviceObject;
IrpSp->FileObject = FileObject;
- IoSetCompletionRoutine(Irp, CompletionRoutine, 0, TRUE, TRUE, TRUE);
+ IoSetCompletionRoutine( Irp, CompletionRoutine,
+ &Event, TRUE, TRUE, TRUE);
/* issue the Irp to the underlying file system driver */
{
return (int)(fp->f_count);
}
+
+struct dentry *dget(struct dentry *de)
+{
+ if (de) {
+ atomic_inc(&de->d_count);
+ }
+ return de;
+}
+
+void dput(struct dentry *de)
+{
+ if (!de || atomic_read(&de->d_count) == 0) {
+ return;
+ }
+ if (atomic_dec_and_test(&de->d_count)) {
+ cfs_free(de);
+ }
+}
#include <libcfs/libcfs.h>
-#if _X86_
+#if defined(_X86_)
void __declspec (naked) FASTCALL
atomic_add(
}
}
-#else
+#elif defined(_AMD64_)
void FASTCALL
atomic_add(
do {
counter = v->counter;
- result = counter + 1;
+ result = counter - 1;
} while ( InterlockedCompareExchange(
&(v->counter),
return (result == 0);
}
+#else
+
+#error CPU arch type isn't specified.
+
#endif
+/**
+ * atomic_add_return - add integer and return
+ * @v: pointer of type atomic_t
+ * @i: integer value to add
+ *
+ * Atomically adds @i to @v and returns @i + @v
+ */
+int FASTCALL atomic_add_return(int i, atomic_t *v)
+{
+ int counter, result;
+
+ do {
+
+ counter = v->counter;
+ result = counter + i;
+
+ } while ( InterlockedCompareExchange(
+ &(v->counter),
+ result,
+ counter) != counter);
+
+ return result;
+
+}
+
+/**
+ * atomic_sub_return - subtract integer and return
+ * @v: pointer of type atomic_t
+ * @i: integer value to subtract
+ *
+ * Atomically subtracts @i from @v and returns @v - @i
+ */
+int FASTCALL atomic_sub_return(int i, atomic_t *v)
+{
+ return atomic_add_return(-i, v);
+}
+
+int FASTCALL atomic_dec_and_lock(atomic_t *v, spinlock_t *lock)
+{
+ if (atomic_read(v) != 1) {
+ return 0;
+ }
+
+ spin_lock(lock);
+ if (atomic_dec_and_test(v))
+ return 1;
+ spin_unlock(lock);
+ return 0;
+}
+
/*
* rw spinlock
cfs_mem_cache_t *cfs_page_t_slab = NULL;
cfs_mem_cache_t *cfs_page_p_slab = NULL;
+cfs_page_t * virt_to_page(void * addr)
+{
+ cfs_page_t *pg;
+ pg = cfs_mem_cache_alloc(cfs_page_t_slab, 0);
+
+ if (NULL == pg) {
+ cfs_enter_debugger();
+ return NULL;
+ }
+
+ memset(pg, 0, sizeof(cfs_page_t));
+ pg->addr = (void *)((__u64)addr & (~((__u64)PAGE_SIZE-1)));
+ pg->mapping = addr;
+ atomic_set(&pg->count, 1);
+ set_bit(PG_virt, &(pg->flags));
+ cfs_enter_debugger();
+ return pg;
+}
+
/*
* cfs_alloc_page
* To allocate the cfs_page_t and also 1 page of memory
* N/A
*/
+atomic_t libcfs_total_pages;
+
cfs_page_t * cfs_alloc_page(int flags)
{
cfs_page_t *pg;
if (cfs_is_flag_set(flags, CFS_ALLOC_ZERO)) {
memset(pg->addr, 0, CFS_PAGE_SIZE);
}
+ atomic_inc(&libcfs_total_pages);
} else {
cfs_enter_debugger();
cfs_mem_cache_free(cfs_page_t_slab, pg);
ASSERT(pg->addr != NULL);
ASSERT(atomic_read(&pg->count) <= 1);
- cfs_mem_cache_free(cfs_page_p_slab, pg->addr);
+ if (!test_bit(PG_virt, &pg->flags)) {
+ cfs_mem_cache_free(cfs_page_p_slab, pg->addr);
+ atomic_dec(&libcfs_total_pages);
+ } else {
+ cfs_enter_debugger();
+ }
cfs_mem_cache_free(cfs_page_t_slab, pg);
}
+cfs_page_t *cfs_alloc_pages(unsigned int flags, unsigned int order)
+{
+ cfs_page_t *pg;
+ pg = cfs_mem_cache_alloc(cfs_page_t_slab, 0);
+
+ if (NULL == pg) {
+ cfs_enter_debugger();
+ return NULL;
+ }
+
+ memset(pg, 0, sizeof(cfs_page_t));
+ pg->addr = cfs_alloc((CFS_PAGE_SIZE << order),0);
+ atomic_set(&pg->count, 1);
+
+ if (pg->addr) {
+ if (cfs_is_flag_set(flags, CFS_ALLOC_ZERO)) {
+ memset(pg->addr, 0, CFS_PAGE_SIZE << order);
+ }
+ atomic_add(1 << order, &libcfs_total_pages);
+ } else {
+ cfs_enter_debugger();
+ cfs_mem_cache_free(cfs_page_t_slab, pg);
+ pg = NULL;
+ }
+
+ return pg;
+}
+
+void __cfs_free_pages(cfs_page_t *pg, unsigned int order)
+{
+ ASSERT(pg != NULL);
+ ASSERT(pg->addr != NULL);
+ ASSERT(atomic_read(&pg->count) <= 1);
+
+ atomic_sub(1 << order, &libcfs_total_pages);
+ cfs_free(pg->addr);
+ cfs_mem_cache_free(cfs_page_t_slab, pg);
+}
+
+int cfs_mem_is_in_cache(const void *addr, const cfs_mem_cache_t *kmem)
+{
+ KdPrint(("cfs_mem_is_in_cache: not implemented. (should maintain a"
+ "chain to keep all allocations traced.)\n"));
+ return 1;
+}
/*
* cfs_alloc
void *
cfs_alloc(size_t nr_bytes, u_int32_t flags)
{
- void *ptr;
+ void *ptr;
/* Ignore the flags: always allcoate from NonPagedPool */
-
- ptr = ExAllocatePoolWithTag(NonPagedPool, nr_bytes, 'Lufs');
-
- if (ptr != NULL && (flags & CFS_ALLOC_ZERO)) {
- memset(ptr, 0, nr_bytes);
+ ptr = ExAllocatePoolWithTag(NonPagedPool, nr_bytes, 'Lufs');
+ if (ptr != NULL && (flags & CFS_ALLOC_ZERO)) {
+ memset(ptr, 0, nr_bytes);
}
if (!ptr) {
cfs_enter_debugger();
}
- return ptr;
+ return ptr;
}
/*
void
cfs_free(void *addr)
{
- ExFreePool(addr);
+ ExFreePool(addr);
}
/*
void *
cfs_alloc_large(size_t nr_bytes)
{
- return cfs_alloc(nr_bytes, 0);
+ return cfs_alloc(nr_bytes, 0);
}
/*
void
cfs_free_large(void *addr)
{
- cfs_free(addr);
+ cfs_free(addr);
}
}
memset(kmc, 0, sizeof(cfs_mem_cache_t));
-
kmc->flags = flags;
if (name) {
{
ExFreeToNPagedLookasideList(&(kmc->npll), buf);
}
+
+spinlock_t shrinker_guard = {0};
+CFS_LIST_HEAD(shrinker_hdr);
+cfs_timer_t shrinker_timer = {0};
+
+struct shrinker * set_shrinker(int seeks, shrink_callback cb)
+{
+ struct shrinker * s = (struct shrinker *)
+ cfs_alloc(sizeof(struct shrinker), CFS_ALLOC_ZERO);
+ if (s) {
+ s->cb = cb;
+ s->seeks = seeks;
+ s->nr = 2;
+ spin_lock(&shrinker_guard);
+ list_add(&s->list, &shrinker_hdr);
+ spin_unlock(&shrinker_guard);
+ }
+
+ return s;
+}
+
+void remove_shrinker(struct shrinker *s)
+{
+ struct shrinker *tmp;
+ spin_lock(&shrinker_guard);
+#if TRUE
+ cfs_list_for_each_entry_typed(tmp, &shrinker_hdr,
+ struct shrinker, list) {
+ if (tmp == s) {
+ list_del(&tmp->list);
+ break;
+ }
+ }
+#else
+ list_del(&s->list);
+#endif
+ spin_unlock(&shrinker_guard);
+ cfs_free(s);
+}
+
+/* time ut test proc */
+void shrinker_timer_proc(ulong_ptr_t arg)
+{
+ struct shrinker *s;
+ spin_lock(&shrinker_guard);
+
+ cfs_list_for_each_entry_typed(s, &shrinker_hdr,
+ struct shrinker, list) {
+ s->cb(s->nr, __GFP_FS);
+ }
+ spin_unlock(&shrinker_guard);
+ cfs_timer_arm(&shrinker_timer, 300);
+}
+
+int start_shrinker_timer()
+{
+ /* initialize shriner timer */
+ cfs_timer_init(&shrinker_timer, shrinker_timer_proc, NULL);
+
+ /* start the timer to trigger in 5 minutes */
+ cfs_timer_arm(&shrinker_timer, 300);
+
+ return 0;
+}
+
+void stop_shrinker_timer()
+{
+ /* cancel the timer */
+ cfs_timer_disarm(&shrinker_timer);
+ cfs_timer_done(&shrinker_timer);
+}
*/
-#define DEBUG_SUBSYSTEM S_LIBCFS
+#define DEBUG_SUBSYSTEM S_LNET
#include <libcfs/libcfs.h>
RETURN(err);
if (hdr->ioc_version != LIBCFS_IOCTL_VERSION) {
- CERROR(("LIBCFS: version mismatch kernel vs application\n"));
+ CERROR("LIBCFS: version mismatch kernel vs application\n");
RETURN(-EINVAL);
}
if (hdr->ioc_len + buf >= end) {
- CERROR(("LIBCFS: user buffer exceeds kernel buffer\n"));
+ CERROR("LIBCFS: user buffer exceeds kernel buffer\n");
RETURN(-EINVAL);
}
if (hdr->ioc_len < sizeof(struct libcfs_ioctl_data)) {
- CERROR(("LIBCFS: user buffer too small for ioctl\n"));
+ CERROR("LIBCFS: user buffer too small for ioctl\n");
RETURN(-EINVAL);
}
RETURN(err);
if (libcfs_ioctl_is_invalid(data)) {
- CERROR(("LIBCFS: ioctl not correctly formatted\n"));
+ CERROR("LIBCFS: ioctl not correctly formatted\n");
RETURN(-EINVAL);
}
RETURN(0);
}
-
+
+int libcfs_ioctl_popdata(void *arg, void *data, int size)
+{
+ if (copy_to_user((char *)arg, data, size))
+ return -EFAULT;
+ return 0;
+}
+
extern struct cfs_psdev_ops libcfs_psdev_ops;
static int
-libcfs_psdev_open(cfs_file_t * file)
+libcfs_psdev_open(struct inode *in, cfs_file_t * file)
{
struct libcfs_device_userstate **pdu = NULL;
int rc = 0;
/* called when closing /dev/device */
static int
-libcfs_psdev_release(cfs_file_t * file)
+libcfs_psdev_release(struct inode *in, cfs_file_t * file)
{
struct libcfss_device_userstate *pdu;
int rc = 0;
}
static int
-libcfs_ioctl(cfs_file_t * file, unsigned int cmd, ulong_ptr arg)
+libcfs_ioctl(cfs_file_t * file, unsigned int cmd, ulong_ptr_t arg)
{
struct cfs_psdev_file pfile;
int rc = 0;
if ( _IOC_TYPE(cmd) != IOC_LIBCFS_TYPE ||
_IOC_NR(cmd) < IOC_LIBCFS_MIN_NR ||
_IOC_NR(cmd) > IOC_LIBCFS_MAX_NR ) {
- CDEBUG(D_IOCTL, ("invalid ioctl ( type %d, nr %d, size %d )\n",
- _IOC_TYPE(cmd), _IOC_NR(cmd), _IOC_SIZE(cmd)));
+ CDEBUG(D_IOCTL, "invalid ioctl ( type %d, nr %d, size %d )\n",
+ _IOC_TYPE(cmd), _IOC_NR(cmd), _IOC_SIZE(cmd));
return (-EINVAL);
}
case IOC_LIBCFS_PANIC:
if (!cfs_capable(CFS_CAP_SYS_BOOT))
return (-EPERM);
- CERROR(("debugctl-invoked panic"));
- KeBugCheckEx('LUFS', (ULONG_PTR)libcfs_ioctl, (ULONG_PTR)NULL, (ULONG_PTR)NULL, (ULONG_PTR)NULL);
+ CERROR("debugctl-invoked panic");
+ KeBugCheckEx('LUFS', (ULONG_PTR)libcfs_ioctl, (ULONG_PTR)NULL, (ULONG_PTR)NULL, (ULONG_PTR)NULL);
return (0);
case IOC_LIBCFS_MEMHOG:
}
static struct file_operations libcfs_fops = {
+ /* owner */ THIS_MODULE,
/* lseek: */ NULL,
/* read: */ NULL,
/* write: */ NULL,
--- /dev/null
+/* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil; -*-
+ * vim:expandtab:shiftwidth=4:tabstop=4:
+ *
+ * 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 2008 Sun Microsystems, Inc. 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.
+ */
+
+# define DEBUG_SUBSYSTEM S_LNET
+
+#ifndef __KERNEL__
+
+#include <ntddk.h>
+#include <libcfs/libcfs.h>
+#include <libcfs/user-bitops.h>
+#include <lustre_lib.h>
+
+/*
+ * Native API definitions
+ */
+
+//
+// Disk I/O Routines
+//
+
+NTSYSAPI
+NTSTATUS
+NTAPI
+NtReadFile(HANDLE FileHandle,
+ HANDLE Event OPTIONAL,
+ PIO_APC_ROUTINE ApcRoutine OPTIONAL,
+ PVOID ApcContext OPTIONAL,
+ PIO_STATUS_BLOCK IoStatusBlock,
+ PVOID Buffer,
+ ULONG Length,
+ PLARGE_INTEGER ByteOffset OPTIONAL,
+ PULONG Key OPTIONAL);
+
+NTSYSAPI
+NTSTATUS
+NTAPI
+NtWriteFile(HANDLE FileHandle,
+ HANDLE Event OPTIONAL,
+ PIO_APC_ROUTINE ApcRoutine OPTIONAL,
+ PVOID ApcContext OPTIONAL,
+ PIO_STATUS_BLOCK IoStatusBlock,
+ PVOID Buffer,
+ ULONG Length,
+ PLARGE_INTEGER ByteOffset OPTIONAL,
+ PULONG Key OPTIONAL);
+
+NTSYSAPI
+NTSTATUS
+NTAPI
+NtClose(HANDLE Handle);
+
+NTSYSAPI
+NTSTATUS
+NTAPI
+NtCreateFile(PHANDLE FileHandle,
+ ACCESS_MASK DesiredAccess,
+ POBJECT_ATTRIBUTES ObjectAttributes,
+ PIO_STATUS_BLOCK IoStatusBlock,
+ PLARGE_INTEGER AllocationSize OPTIONAL,
+ ULONG FileAttributes,
+ ULONG ShareAccess,
+ ULONG CreateDisposition,
+ ULONG CreateOptions,
+ PVOID EaBuffer OPTIONAL,
+ ULONG EaLength);
+
+
+NTSYSAPI
+NTSTATUS
+NTAPI
+NtDeviceIoControlFile(
+ IN HANDLE FileHandle,
+ IN HANDLE Event,
+ IN PIO_APC_ROUTINE ApcRoutine,
+ IN PVOID ApcContext,
+ OUT PIO_STATUS_BLOCK IoStatusBlock,
+ IN ULONG IoControlCode,
+ IN PVOID InputBuffer,
+ IN ULONG InputBufferLength,
+ OUT PVOID OutputBuffer,
+ OUT ULONG OutputBufferLength
+ );
+
+NTSYSAPI
+NTSTATUS
+NTAPI
+NtFsControlFile(
+ IN HANDLE FileHandle,
+ IN HANDLE Event OPTIONAL,
+ IN PIO_APC_ROUTINE ApcRoutine OPTIONAL,
+ IN PVOID ApcContext OPTIONAL,
+ OUT PIO_STATUS_BLOCK IoStatusBlock,
+ IN ULONG FsControlCode,
+ IN PVOID InputBuffer OPTIONAL,
+ IN ULONG InputBufferLength,
+ OUT PVOID OutputBuffer OPTIONAL,
+ IN ULONG OutputBufferLength
+);
+
+
+NTSYSAPI
+NTSTATUS
+NTAPI
+NtQueryInformationFile(
+ IN HANDLE FileHandle,
+ OUT PIO_STATUS_BLOCK IoStatusBlock,
+ OUT PVOID FileInformation,
+ IN ULONG Length,
+ IN FILE_INFORMATION_CLASS FileInformationClass
+ );
+
+//
+// Random routines ...
+//
+
+NTSYSAPI
+ULONG
+NTAPI
+RtlRandom(
+ IN OUT PULONG Seed
+ );
+
+/*
+ * Time routines ...
+ */
+
+NTSYSAPI
+CCHAR
+NTAPI
+NtQuerySystemTime(
+ OUT PLARGE_INTEGER CurrentTime
+ );
+
+
+NTSYSAPI
+BOOLEAN
+NTAPI
+RtlTimeToSecondsSince1970(
+ IN PLARGE_INTEGER Time,
+ OUT PULONG ElapsedSeconds
+ );
+
+
+NTSYSAPI
+VOID
+NTAPI
+RtlSecondsSince1970ToTime(
+ IN ULONG ElapsedSeconds,
+ OUT PLARGE_INTEGER Time
+ );
+
+NTSYSAPI
+NTSTATUS
+NTAPI
+ZwDelayExecution(
+ IN BOOLEAN Alertable,
+ IN PLARGE_INTEGER Interval
+);
+
+
+int nanosleep(const struct timespec *rqtp, struct timespec *rmtp)
+{
+ NTSTATUS status;
+ LARGE_INTEGER Interval;
+ Interval.QuadPart = rqtp->tv_sec * 10000000 + rqtp->tv_nsec / 100;
+ status = ZwDelayExecution(TRUE, &Interval);
+ if (rmtp) {
+ rmtp->tv_sec = 0;
+ rmtp->tv_nsec = 0;
+ }
+ if (status == STATUS_ALERTED || status == STATUS_USER_APC) {
+ return -1;
+ }
+ return 0;
+}
+
+
+void do_gettimeofday(struct timeval *tv)
+{
+ LARGE_INTEGER Time;
+
+ NtQuerySystemTime(&Time);
+
+ tv->tv_sec = (long_ptr_t) (Time.QuadPart / 10000000);
+ tv->tv_usec = (suseconds_t) (Time.QuadPart % 10000000) / 10;
+}
+
+int gettimeofday(struct timeval *tv, void * tz)
+{
+ do_gettimeofday(tv);
+ return 0;
+}
+
+/*
+ * proc process routines of user space
+ */
+
+struct idr_context *cfs_proc_idp = NULL;
+
+int cfs_proc_open (char * filename, int oflag)
+{
+ NTSTATUS status;
+ IO_STATUS_BLOCK iosb;
+ int rc = 0;
+
+ HANDLE Handle = INVALID_HANDLE_VALUE;
+ OBJECT_ATTRIBUTES ObjectAttributes;
+ ACCESS_MASK DesiredAccess;
+ ULONG CreateDisposition;
+ ULONG ShareAccess;
+ ULONG CreateOptions;
+ UNICODE_STRING UnicodeName;
+ USHORT NameLength;
+
+ PFILE_FULL_EA_INFORMATION Ea = NULL;
+ ULONG EaLength;
+ PUCHAR EaBuffer = NULL;
+
+ /* Check the filename: should start with "/proc" or "/dev" */
+ NameLength = (USHORT)strlen(filename);
+ if (NameLength > 0x05) {
+ if (_strnicmp(filename, "/proc/", 6) == 0) {
+ if (NameLength <= 6) {
+ rc = -EINVAL;
+ goto errorout;
+ }
+ } else if (_strnicmp(filename, "/dev/", 5) == 0) {
+ } else {
+ rc = -EINVAL;
+ goto errorout;
+ }
+ } else {
+ rc = -EINVAL;
+ goto errorout;
+ }
+
+ /* Analyze the flags settings */
+
+ if (cfs_is_flag_set(oflag, O_WRONLY)) {
+ DesiredAccess = (GENERIC_WRITE | SYNCHRONIZE);
+ ShareAccess = 0;
+ } else if (cfs_is_flag_set(oflag, O_RDWR)) {
+ DesiredAccess = (GENERIC_READ | GENERIC_WRITE | SYNCHRONIZE);
+ ShareAccess = FILE_SHARE_READ | FILE_SHARE_WRITE;
+ } else {
+ DesiredAccess = (GENERIC_READ | SYNCHRONIZE);
+ ShareAccess = FILE_SHARE_READ;
+ }
+
+ if (cfs_is_flag_set(oflag, O_CREAT)) {
+ if (cfs_is_flag_set(oflag, O_EXCL)) {
+ CreateDisposition = FILE_CREATE;
+ rc = -EINVAL;
+ goto errorout;
+ } else {
+ CreateDisposition = FILE_OPEN_IF;
+ }
+ } else {
+ CreateDisposition = FILE_OPEN;
+ }
+
+ if (cfs_is_flag_set(oflag, O_TRUNC)) {
+ if (cfs_is_flag_set(oflag, O_EXCL)) {
+ CreateDisposition = FILE_OVERWRITE;
+ } else {
+ CreateDisposition = FILE_OVERWRITE_IF;
+ }
+ }
+
+ CreateOptions = 0;
+
+ if (cfs_is_flag_set(oflag, O_DIRECTORY)) {
+ cfs_set_flag(CreateOptions, FILE_DIRECTORY_FILE);
+ }
+
+ if (cfs_is_flag_set(oflag, O_SYNC)) {
+ cfs_set_flag(CreateOptions, FILE_WRITE_THROUGH);
+ }
+
+ if (cfs_is_flag_set(oflag, O_DIRECT)) {
+ cfs_set_flag(CreateOptions, FILE_NO_INTERMEDIATE_BUFFERING);
+ }
+
+ /* Initialize the unicode path name for the specified file */
+ RtlInitUnicodeString(&UnicodeName, LUSTRE_PROC_SYMLNK);
+
+ /* Setup the object attributes structure for the file. */
+ InitializeObjectAttributes(
+ &ObjectAttributes,
+ &UnicodeName,
+ OBJ_CASE_INSENSITIVE,
+ NULL,
+ NULL );
+
+ /* building EA for the proc entry ... */
+ EaBuffer = malloc(NameLength + sizeof(FILE_FULL_EA_INFORMATION));
+ if (!EaBuffer) {
+ rc = -ENOMEM;
+ goto errorout;
+ }
+ memset(EaBuffer, 0, NameLength + sizeof(FILE_FULL_EA_INFORMATION));
+ Ea = (PFILE_FULL_EA_INFORMATION)EaBuffer;
+ Ea->NextEntryOffset = 0;
+ Ea->Flags = 0;
+ Ea->EaNameLength = (UCHAR)NameLength;
+ Ea->EaValueLength = 0;
+ RtlCopyMemory(
+ &(Ea->EaName),
+ filename,
+ NameLength + 1
+ );
+ EaLength = sizeof(FILE_FULL_EA_INFORMATION) - 1 +
+ Ea->EaNameLength + 1;
+
+ /* Now to open or create the file now */
+ status = NtCreateFile(
+ &Handle,
+ DesiredAccess,
+ &ObjectAttributes,
+ &iosb,
+ 0,
+ FILE_ATTRIBUTE_NORMAL,
+ ShareAccess,
+ CreateDisposition,
+ CreateOptions,
+ Ea,
+ EaLength );
+
+ /* Check the returned status of Iosb ... */
+
+ if (!NT_SUCCESS(status)) {
+ rc = cfs_error_code(status);
+ goto errorout;
+ }
+
+errorout:
+
+ if (Handle) {
+ rc = cfs_idr_get_new(cfs_proc_idp, Handle);
+ if (rc < 0) {
+ NtClose(Handle);
+ }
+ }
+
+ if (EaBuffer) {
+ free(EaBuffer);
+ }
+
+ return rc;
+}
+
+int cfs_proc_close(int fd)
+{
+ HANDLE handle = cfs_idr_find(cfs_proc_idp, fd);
+
+ if (handle) {
+ NtClose(handle);
+ }
+
+ cfs_idr_remove(cfs_proc_idp, fd);
+
+ return 0;
+}
+
+int cfs_proc_read_internal(
+ int fd, void *buffer,
+ unsigned int count,
+ unsigned int offlow,
+ unsigned int offhigh
+ )
+{
+ NTSTATUS status;
+ IO_STATUS_BLOCK iosb;
+ LARGE_INTEGER offset;
+
+ HANDLE handle = cfs_idr_find(cfs_proc_idp, fd);
+ offset.HighPart = offhigh;
+ offset.LowPart = offlow;
+
+ /* read file data */
+ status = NtReadFile(
+ handle,
+ 0,
+ NULL,
+ NULL,
+ &iosb,
+ buffer,
+ count,
+ &offset,
+ NULL);
+
+ /* check the return status */
+ if (!NT_SUCCESS(status)) {
+ printf("NtReadFile request failed with status: 0x%0x\n", status);
+ goto errorout;
+ }
+
+errorout:
+
+ if (NT_SUCCESS(status)) {
+ return (int)(iosb.Information);
+ }
+
+ return cfs_error_code(status);
+}
+
+int cfs_proc_read(
+ int fd, void *buffer,
+ unsigned int count
+ )
+{
+ return cfs_proc_read_internal(fd, buffer, count, 0, 0);
+}
+
+int cfs_proc_write_internal(
+ int fd, void *buffer,
+ unsigned int count,
+ unsigned int offlow,
+ unsigned int offhigh
+ )
+{
+ NTSTATUS status;
+ IO_STATUS_BLOCK iosb;
+ LARGE_INTEGER offset;
+
+ HANDLE handle = cfs_idr_find(cfs_proc_idp, fd);
+ offset.HighPart = offhigh;
+ offset.LowPart = offlow;
+
+ /* write buffer to the opened file */
+ status = NtWriteFile(
+ handle,
+ 0,
+ NULL,
+ NULL,
+ &iosb,
+ buffer,
+ count,
+ &offset,
+ NULL);
+
+ /* check the return status */
+ if (!NT_SUCCESS(status)) {
+ printf("NtWriteFile request failed 0x%0x\n", status);
+ goto errorout;
+ }
+
+errorout:
+
+ if (NT_SUCCESS(status)) {
+ return (int)(iosb.Information);
+ }
+
+ return cfs_error_code(status);
+}
+
+int cfs_proc_write(
+ int fd, void *buffer,
+ unsigned int count
+ )
+{
+ return cfs_proc_write_internal(fd, buffer, count, 0, 0);
+}
+
+int cfs_proc_ioctl(int fd, int cmd, void *buffer)
+{
+ PUCHAR procdat = NULL;
+ CFS_PROC_IOCTL procctl;
+ ULONG length = 0;
+ ULONG extra = 0;
+ int rc = 0;
+
+ NTSTATUS status = STATUS_UNSUCCESSFUL;
+ IO_STATUS_BLOCK iosb;
+
+ struct libcfs_ioctl_data * portal = buffer;
+ struct obd_ioctl_data * obd = buffer;
+ struct obd_ioctl_data * data;
+
+ HANDLE handle = cfs_idr_find(cfs_proc_idp, fd);
+#if defined(_X86_)
+ CLASSERT(sizeof(struct obd_ioctl_data) == 528);
+#else
+ CLASSERT(sizeof(struct obd_ioctl_data) == 576);
+#endif
+ memset(&procctl, 0, sizeof(CFS_PROC_IOCTL));
+ procctl.cmd = cmd;
+
+ if(_IOC_TYPE(cmd) == IOC_LIBCFS_TYPE) {
+ length = portal->ioc_len;
+ } else if (_IOC_TYPE(cmd) == 'f') {
+ length = obd->ioc_len;
+ extra = size_round(obd->ioc_plen1) + size_round(obd->ioc_plen2);
+ } else if(_IOC_TYPE(cmd) == 'u') {
+ length = 4;
+ extra = 0;
+ } else if(_IOC_TYPE(cmd) == 'i') {
+ length = obd->ioc_len;
+ extra = 0;
+ } else {
+ printf("cfs_proc_ioctl: un-supported ioctl type ...\n");
+ cfs_enter_debugger();
+ status = STATUS_INVALID_PARAMETER;
+ goto errorout;
+ }
+
+ procctl.len = length + extra;
+ procdat = malloc(length + extra + sizeof(CFS_PROC_IOCTL));
+
+ if (NULL == procdat) {
+ printf("user:winnt-proc:cfs_proc_ioctl: no enough memory ...\n");
+ status = STATUS_INSUFFICIENT_RESOURCES;
+ cfs_enter_debugger();
+ goto errorout;
+ }
+ memset(procdat, 0, length + extra + sizeof(CFS_PROC_IOCTL));
+ memcpy(procdat, &procctl, sizeof(CFS_PROC_IOCTL));
+ memcpy(&procdat[sizeof(CFS_PROC_IOCTL)], buffer, length);
+ length += sizeof(CFS_PROC_IOCTL);
+
+ if (_IOC_TYPE(cmd) == 'f') {
+
+ data = (struct obd_ioctl_data *) (procdat + sizeof(CFS_PROC_IOCTL));
+ if ( cmd != (ULONG)OBD_IOC_BRW_WRITE &&
+ cmd != (ULONG)OBD_IOC_BRW_READ ) {
+
+ if (obd->ioc_pbuf1 && data->ioc_plen1) {
+ data->ioc_pbuf1 = &procdat[length];
+ memcpy(data->ioc_pbuf1, obd->ioc_pbuf1, obd->ioc_plen1);
+ length += size_round(obd->ioc_plen1);
+ } else {
+ data->ioc_plen1 = 0;
+ data->ioc_pbuf1 = NULL;
+ }
+
+ if (obd->ioc_pbuf2 && obd->ioc_plen2) {
+ data->ioc_pbuf2 = &procdat[length];
+ memcpy(data->ioc_pbuf2, obd->ioc_pbuf2, obd->ioc_plen2);
+ length += size_round(obd->ioc_plen2);
+ } else {
+ data->ioc_plen2 = 0;
+ data->ioc_pbuf2 = NULL;
+ }
+ } else {
+ extra = 0;
+ }
+
+ ASSERT(length == extra + sizeof(CFS_PROC_IOCTL) + data->ioc_len);
+ if (obd_ioctl_is_invalid(obd)) {
+ cfs_enter_debugger();
+ }
git://git.whamcloud.com / fs / lustre-release.git / commitdiff