* Landed portals:b_port_step as follows...

[fs/lustre-release.git] / lnet / include / libcfs / linux / libcfs.h

diff --git a/lnet/include/libcfs/linux/libcfs.h b/lnet/include/libcfs/linux/libcfs.h
new file mode 100644 (file)
index 0000000..208b89e
--- /dev/null
+++ b/lnet/include/libcfs/linux/libcfs.h
@@ -0,0 +1,151 @@
+/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
+ * vim:expandtab:shiftwidth=8:tabstop=8:
+ */
+#ifndef __LIBCFS_LINUX_LIBCFS_H__
+#define __LIBCFS_LINUX_LIBCFS_H__
+
+#ifndef __LIBCFS_LIBCFS_H__
+#error Do not #include this file directly. #include <libcfs/libcfs.h> instead
+#endif
+
+#include <libcfs/linux/linux-mem.h>
+#include <libcfs/linux/linux-time.h>
+#include <libcfs/linux/linux-prim.h>
+#include <libcfs/linux/linux-lock.h>
+#include <libcfs/linux/linux-fs.h>
+
+#ifdef HAVE_ASM_TYPES_H
+#include <asm/types.h>
+#else
+#include "types.h"
+#endif
+
+
+#ifdef __KERNEL__
+# include <linux/types.h>
+# include <linux/time.h>
+# include <asm/timex.h>
+#else
+# include <sys/types.h>
+# include <sys/time.h>
+# define do_gettimeofday(tv) gettimeofday(tv, NULL);
+typedef unsigned long long cycles_t;
+#endif
+
+#ifndef __KERNEL__
+/* Userpace byte flipping */
+# include <endian.h>
+# include <byteswap.h>
+# define __swab16(x) bswap_16(x)
+# define __swab32(x) bswap_32(x)
+# define __swab64(x) bswap_64(x)
+# define __swab16s(x) do {*(x) = bswap_16(*(x));} while (0)
+# define __swab32s(x) do {*(x) = bswap_32(*(x));} while (0)
+# define __swab64s(x) do {*(x) = bswap_64(*(x));} while (0)
+# if __BYTE_ORDER == __LITTLE_ENDIAN
+#  define le16_to_cpu(x) (x)
+#  define cpu_to_le16(x) (x)
+#  define le32_to_cpu(x) (x)
+#  define cpu_to_le32(x) (x)
+#  define le64_to_cpu(x) (x)
+#  define cpu_to_le64(x) (x)
+# else
+#  if __BYTE_ORDER == __BIG_ENDIAN
+#   define le16_to_cpu(x) bswap_16(x)
+#   define cpu_to_le16(x) bswap_16(x)
+#   define le32_to_cpu(x) bswap_32(x)
+#   define cpu_to_le32(x) bswap_32(x)
+#   define le64_to_cpu(x) bswap_64(x)
+#   define cpu_to_le64(x) bswap_64(x)
+#  else
+#   error "Unknown byte order"
+#  endif /* __BIG_ENDIAN */
+# endif /* __LITTLE_ENDIAN */
+#endif /* ! __KERNEL__ */
+
+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__
+# include <linux/sched.h> /* THREAD_SIZE */
+#else
+# ifndef THREAD_SIZE /* x86_64 has THREAD_SIZE in userspace */
+#  define THREAD_SIZE 8192
+# endif
+#endif
+
+#define LUSTRE_TRACE_SIZE (THREAD_SIZE >> 5)
+
+#ifdef __KERNEL__
+# ifdef  __ia64__
+#  define CDEBUG_STACK (THREAD_SIZE -                                      \
+                        ((unsigned long)__builtin_dwarf_cfa() &            \
+                         (THREAD_SIZE - 1)))
+# else
+#  define CDEBUG_STACK (THREAD_SIZE -                                      \
+                        ((unsigned long)__builtin_frame_address(0) &       \
+                         (THREAD_SIZE - 1)))
+# endif /* __ia64__ */
+
+#define CHECK_STACK(stack)                                                    \
+        do {                                                                  \
+                if ((stack) > 3*THREAD_SIZE/4 && (stack) > portal_stack) {    \
+                        portals_debug_msg(DEBUG_SUBSYSTEM, D_WARNING,         \
+                                          __FILE__, __FUNCTION__, __LINE__,   \
+                                          (stack),"maximum lustre stack %u\n",\
+                                          portal_stack = (stack));            \
+                      /*panic("LBUG");*/                                      \
+                }                                                             \
+        } while (0)
+#else /* !__KERNEL__ */
+#define CHECK_STACK(stack) do { } while(0)
+#define CDEBUG_STACK (0L)
+#endif /* __KERNEL__ */
+
+/* initial pid  */
+# if CRAY_PORTALS
+/*
+ * 1) ptl_pid_t in cray portals is only 16 bits, not 32 bits, therefore this
+ *    is too big.
+ *
+ * 2) the implementation of ernal in cray portals further restricts the pid
+ *    space that may be used to 0 <= pid <= 255 (an 8 bit value).  Returns
+ *    an error at nal init time for any pid outside this range.  Other nals
+ *    in cray portals don't have this restriction.
+ * */
+#define LUSTRE_PTL_PID          9
+# else
+#define LUSTRE_PTL_PID          12345
+# endif
+
+#define ENTRY_NESTING_SUPPORT (0)
+#define ENTRY_NESTING   do {;} while (0)
+#define EXIT_NESTING   do {;} while (0)
+#define __current_nesting_level() (0)
+
+/*
+ * Platform specific declarations for cfs_curproc API (libcfs/curproc.h)
+ *
+ * Implementation is in linux-curproc.c
+ */
+#define CFS_CURPROC_COMM_MAX (sizeof ((struct task_struct *)0)->comm)
+
+#if defined(__KERNEL__)
+#include <linux/capability.h>
+typedef kernel_cap_t cfs_kernel_cap_t;
+#else
+typedef __u32 cfs_kernel_cap_t;
+#endif
+
+#endif /* _LINUX_LIBCFS_H */