+++ /dev/null
-/*
- * GPL HEADER START
- *
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 only,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License version 2 for more details (a copy is included
- * in the LICENSE file that accompanied this code).
- *
- * You should have received a copy of the GNU General Public License
- * version 2 along with this program; If not, see
- * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
- *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
- *
- * GPL HEADER END
- */
-/*
- * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
- * Use is subject to license terms.
- *
- * Copyright (c) 2012, Intel Corporation.
- */
-/*
- * This file is part of Lustre, http://www.lustre.org/
- * Lustre is a trademark of Sun Microsystems, Inc.
- */
-
-#ifndef __LIBCFS_DARWIN_LIBCFS_H__
-#define __LIBCFS_DARWIN_LIBCFS_H__
-
-#ifndef __LIBCFS_LIBCFS_H__
-#error Do not #include this file directly. #include <libcfs/libcfs.h> instead
-#endif
-
-#include <mach/mach_types.h>
-#include <sys/errno.h>
-#include <string.h>
-#include <libcfs/darwin/darwin-types.h>
-#include <libcfs/darwin/darwin-time.h>
-#include <libcfs/darwin/darwin-prim.h>
-#include <libcfs/darwin/darwin-mem.h>
-#include <libcfs/darwin/darwin-lock.h>
-#include <libcfs/darwin/darwin-fs.h>
-#include <libcfs/darwin/darwin-tcpip.h>
-#include <libcfs/darwin/kp30.h>
-
-#ifdef __KERNEL__
-# include <sys/types.h>
-# include <sys/time.h>
-# define do_gettimeofday(tv) microuptime(tv)
-#else
-# include <sys/time.h>
-# define do_gettimeofday(tv) gettimeofday(tv, NULL);
-typedef unsigned long long cycles_t;
-#endif
-
-#define __cpu_to_le64(x) OSSwapHostToLittleInt64(x)
-#define __cpu_to_le32(x) OSSwapHostToLittleInt32(x)
-#define __cpu_to_le16(x) OSSwapHostToLittleInt16(x)
-
-#define __le16_to_cpu(x) OSSwapLittleToHostInt16(x)
-#define __le32_to_cpu(x) OSSwapLittleToHostInt32(x)
-#define __le64_to_cpu(x) OSSwapLittleToHostInt64(x)
-
-#define cpu_to_le64(x) __cpu_to_le64(x)
-#define cpu_to_le32(x) __cpu_to_le32(x)
-#define cpu_to_le16(x) __cpu_to_le16(x)
-
-#define le64_to_cpu(x) __le64_to_cpu(x)
-#define le32_to_cpu(x) __le32_to_cpu(x)
-#define le16_to_cpu(x) __le16_to_cpu(x)
-
-#define __swab16(x) OSSwapInt16(x)
-#define __swab32(x) OSSwapInt32(x)
-#define __swab64(x) OSSwapInt64(x)
-#define __swab16s(x) do { *(x) = __swab16(*(x)); } while (0)
-#define __swab32s(x) do { *(x) = __swab32(*(x)); } while (0)
-#define __swab64s(x) do { *(x) = __swab64(*(x)); } while (0)
-
-
-#ifdef __KERNEL__
-# include <sys/systm.h>
-# include <pexpert/pexpert.h>
-/* Fix me */
-# define THREAD_SIZE 8192
-#else
-# define THREAD_SIZE 8192
-#endif
-
-#define CHECK_STACK(msgdata, mask, cdls) do {} while(0)
-#define CDEBUG_STACK() (0L)
-
-/* Darwin has defined RETURN, so we have to undef it in lustre */
-#ifdef RETURN
-#undef RETURN
-#endif
-
-/*
- * When this is enabled debugging messages are indented according to the
- * current "nesting level". Nesting level in increased when ENTRY macro
- * is executed, and decreased on EXIT and RETURN.
- */
-#ifdef __KERNEL__
-#define ENTRY_NESTING_SUPPORT (0)
-#endif
-
-#if ENTRY_NESTING_SUPPORT
-
-/*
- * Currently ENTRY_NESTING_SUPPORT is only supported for XNU port. Basic
- * idea is to keep per-thread pointer to small data structure (struct
- * cfs_debug_data) describing current nesting level. In XNU unused
- * proc->p_wmegs field in hijacked for this. On Linux
- * current->journal_info can be used. In user space
- * pthread_{g,s}etspecific().
- *
- * ENTRY macro allocates new cfs_debug_data on stack, and installs it as
- * a current nesting level, storing old data in cfs_debug_data it just
- * created.
- *
- * EXIT pops old value back.
- *
- */
-
-/*
- * One problem with this approach is that there is a lot of code that
- * does ENTRY and then escapes scope without doing EXIT/RETURN. In this
- * case per-thread current nesting level pointer is dangling (it points
- * to the stack area that is possible already overridden). To detect
- * such cases, we add two magic fields to the cfs_debug_data and check
- * them whenever current nesting level pointer is dereferenced. While
- * looking flaky this works because stack is always consumed
- * "continously".
- */
-enum {
- CDD_MAGIC1 = 0x02128506,
- CDD_MAGIC2 = 0x42424242
-};
-
-struct cfs_debug_data {
- unsigned int magic1;
- struct cfs_debug_data *parent;
- int nesting_level;
- unsigned int magic2;
-};
-
-void __entry_nesting(struct cfs_debug_data *child);
-void __exit_nesting(struct cfs_debug_data *child);
-unsigned int __current_nesting_level(void);
-
-#define ENTRY_NESTING \
-struct cfs_debug_data __cdd = { .magic1 = CDD_MAGIC1, \
- .parent = NULL, \
- .nesting_level = 0, \
- .magic2 = CDD_MAGIC2 }; \
-__entry_nesting(&__cdd);
-
-#define EXIT_NESTING __exit_nesting(&__cdd)
-
-/* ENTRY_NESTING_SUPPORT */
-#else
-
-#define ENTRY_NESTING do {;} while (0)
-#define EXIT_NESTING do {;} while (0)
-#define __current_nesting_level() (0)
-
-/* ENTRY_NESTING_SUPPORT */
-#endif
-
-#define LUSTRE_LNET_PID 12345
-
-#define _XNU_LIBCFS_H
-
-/*
- * Platform specific declarations for cfs_curproc API (libcfs/curproc.h)
- *
- * Implementation is in darwin-curproc.c
- */
-#define CFS_CURPROC_COMM_MAX MAXCOMLEN
-/*
- * XNU has no capabilities
- */
-typedef __u32 kernel_cap_t;
-
-#ifdef __KERNEL__
-enum {
- /* if you change this, update darwin-util.c:cfs_stack_trace_fill() */
- CFS_STACK_TRACE_DEPTH = 16
-};
-
-struct cfs_stack_trace {
- void *frame[CFS_STACK_TRACE_DEPTH];
-};
-
-#define printk(format, args...) printf(format, ## args)
-
-#ifdef WITH_WATCHDOG
-#undef WITH_WATCHDOG
-#endif
-
-/*
- * Portable API to access common characteristics of "current" UNIX process.
- */
-uid_t current_uid(void);
-gid_t current_gid(void);
-uid_t current_euid(void);
-gid_t current_egid(void);
-uid_t current_fsuid(void);
-gid_t current_fsgid(void);
-pid_t current_pid(void);
-int in_group_p(gid_t group);
-mode_t current_umask(void);
-char *current_comm(void);
-
-/* check if task is running in compat mode.*/
-int current_is_32bit(void);
-
-#endif /* __KERNEL__ */
-
-#endif /* _XNU_LIBCFS_H */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff