-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
+/*
* GPL HEADER START
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
* GPL HEADER END
*/
/*
- * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
+ *
+ * Copyright (c) 2012, 2013, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#ifndef __LIBCFS_POSIX_LIBCFS_H__
#define __LIBCFS_POSIX_LIBCFS_H__
+#include <errno.h>
#include <sys/errno.h>
#include <string.h>
#include <stdarg.h>
+#include <stddef.h>
#include <stdio.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>
+#include <stdbool.h>
+#include <limits.h>
+
+#ifdef HAVE_NETDB_H
+#include <netdb.h>
+#endif
+
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
#ifdef HAVE_LIBPTHREAD
#include <pthread.h>
#endif
#include <libcfs/list.h>
-#include <libcfs/posix/posix-types.h>
#include <libcfs/user-time.h>
#include <libcfs/user-prim.h>
#include <libcfs/user-mem.h>
#include <libcfs/user-lock.h>
#include <libcfs/user-tcpip.h>
-#include <libcfs/posix/posix-wordsize.h>
#include <libcfs/user-bitops.h>
-# define do_gettimeofday(tv) gettimeofday(tv, NULL);
-typedef unsigned long long cycles_t;
-
-#define IS_ERR(a) ((unsigned long)(a) > (unsigned long)-1000L)
-#define PTR_ERR(a) ((long)(a))
-#define ERR_PTR(a) ((void*)((long)(a)))
+#define do_gettimeofday(tv) gettimeofday(tv, NULL);
+typedef unsigned long long cfs_cycles_t;
/* this goes in posix-fs.h */
#include <sys/mount.h>
-#ifdef __linux__
#include <mntent.h>
-#endif
-typedef struct file cfs_file_t;
-typedef struct dentry cfs_dentry_t;
-#ifdef __linux__
-typedef struct dirent64 cfs_dirent_t;
-#endif
+#define fget(x) NULL
+#define fput(f) do {} while (0)
-#ifdef __linux__
-/* 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)
-
-# define be16_to_cpu(x) bswap_16(x)
-# define cpu_to_be16(x) bswap_16(x)
-# define be32_to_cpu(x) bswap_32(x)
-# define cpu_to_be32(x) bswap_32(x)
-# define be64_to_cpu(x) bswap_64(x)
-# define cpu_to_be64(x) bswap_64(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)
-
-# define be16_to_cpu(x) (x)
-# define cpu_to_be16(x) (x)
-# define be32_to_cpu(x) (x)
-# define cpu_to_be32(x) (x)
-# define be64_to_cpu(x) (x)
-# define cpu_to_be64(x) (x)
-
-# else
-# error "Unknown byte order"
-# endif /* __BIG_ENDIAN */
-# endif /* __LITTLE_ENDIAN */
-#elif __APPLE__
-#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)
-#endif
+#ifndef THREAD_SIZE /* x86_64 linux has THREAD_SIZE in userspace */
+# define THREAD_SIZE 8192
+#endif /* THREAD_SIZE */
-
-# ifndef THREAD_SIZE /* x86_64 linux has THREAD_SIZE in userspace */
-# define THREAD_SIZE 8192
-# endif
-
-#define LUSTRE_TRACE_SIZE (THREAD_SIZE >> 5)
-
-#define CHECK_STACK() do { } while(0)
+#define CFS_CHECK_STACK(msgdata, mask, cdls) do {} while(0)
#define CDEBUG_STACK() (0L)
-/* initial pid */
-#define LUSTRE_LNET_PID 12345
-
-#define ENTRY_NESTING_SUPPORT (1)
-#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)
*
*/
#define CFS_CURPROC_COMM_MAX (sizeof ((struct task_struct *)0)->comm)
-typedef __u32 cfs_kernel_cap_t;
+typedef __u32 kernel_cap_t;
/**
* Module support (probably shouldn't be used in generic code?)
*/
struct module {
int count;
+ char *name;
};
static inline void MODULE_AUTHOR(char *name)
#define MODULE_DESCRIPTION(name) MODULE_AUTHOR(name)
#define MODULE_LICENSE(name) MODULE_AUTHOR(name)
-#define THIS_MODULE NULL
+#define THIS_MODULE (void *)0x11111
#define __init
#define __exit
-static inline int request_module(char *name)
+static inline int request_module(const char *name, ...)
{
- return (-EINVAL);
+ return (-EINVAL);
}
static inline void __module_get(struct module *module)
static inline int try_module_get(struct module *module)
{
- return 1;
+ return 1;
}
static inline void module_put(struct module *module)
}
+static inline int module_refcount(struct module *m)
+{
+ return 1;
+}
+
+/***************************************************************************
+ *
+ * Linux kernel slab shrinker emulation. Currently used only in lu_object.c
+ *
+ ***************************************************************************/
+
+struct shrinker {
+#ifndef __INTEL_COMPILER
+ ;
+#endif
+};
+
+struct shrinker_var {
+#ifndef __INTEL_COMPILER
+ ;
+#endif
+};
+
+#define DEF_SHRINKER_VAR(name, shrink, count, scan) \
+ struct shrinker_var name = {};
+
+#define DEFAULT_SEEKS (0)
+
+static inline
+struct shrinker *set_shrinker(int seeks, struct shrinker_var *var)
+{
+ return (struct shrinker *)0xdeadbea1; /* Cannot return NULL here */
+}
+
+static inline void remove_shrinker(struct shrinker *shrinker)
+{
+}
+
+/***************************************************************************
+ *
+ * Linux kernel radix tree emulation.
+ *
+ * XXX this stub-implementation assumes that elements stored in a radix tree
+ * are struct page's and nothing else. Proper implementation will be
+ * committed soon.
+ *
+ ***************************************************************************/
+
+struct radix_tree_root {
+ struct list_head list;
+ void *rnode;
+};
+
+struct radix_tree_node {
+ struct list_head _node;
+ unsigned long index;
+ void *item;
+};
+
+#define RADIX_TREE_INIT(mask) { \
+ NOT_IMPLEMENTED \
+}
+
+#define RADIX_TREE(name, mask) \
+ struct radix_tree_root name = RADIX_TREE_INIT(mask)
+
+
+#define INIT_RADIX_TREE(root, mask) \
+do { \
+ INIT_LIST_HEAD(&((struct radix_tree_root *)root)->list); \
+ ((struct radix_tree_root *)root)->rnode = NULL; \
+} while (0)
+
+static inline int radix_tree_insert(struct radix_tree_root *root,
+ unsigned long idx, void *item)
+{
+ struct radix_tree_node *node;
+ node = malloc(sizeof(*node));
+ if (!node)
+ return -ENOMEM;
+
+ INIT_LIST_HEAD(&node->_node);
+ node->index = idx;
+ node->item = item;
+ list_add_tail(&node->_node, &root->list);
+ root->rnode = (void *)1001;
+ return 0;
+}
+
+static inline struct radix_tree_node *
+radix_tree_lookup0(struct radix_tree_root *root, unsigned long idx)
+{
+ struct radix_tree_node *node;
+
+ if (list_empty(&root->list))
+ return NULL;
+
+ list_for_each_entry(node, &root->list, _node)
+ if (node->index == idx)
+ return node;
+
+ return NULL;
+}
+
+static inline void *radix_tree_lookup(struct radix_tree_root *root,
+ unsigned long idx)
+{
+ struct radix_tree_node *node = radix_tree_lookup0(root, idx);
+
+ if (node)
+ return node->item;
+ return node;
+}
+
+static inline void *radix_tree_delete(struct radix_tree_root *root,
+ unsigned long idx)
+{
+ struct radix_tree_node *p = radix_tree_lookup0(root, idx);
+ void *item;
+
+ if (p == NULL)
+ return NULL;
+
+ list_del_init(&p->_node);
+ item = p->item;
+ free(p);
+ if (list_empty(&root->list))
+ root->rnode = NULL;
+
+ return item;
+}
+
+static inline unsigned int
+radix_tree_gang_lookup(struct radix_tree_root *root, void **results,
+ unsigned long first_index, unsigned int max_items)
+{
+ int i;
+ int j = 0;
+
+ for (i = 0; i < max_items; i++, first_index++) {
+ results[j++] = radix_tree_lookup(root, first_index);
+ if (results[j - 1] == NULL)
+ --j;
+ }
+
+ return j;
+}
+
+static inline int radix_tree_preload(int gfp_mask)
+{
+ return 0;
+}
+
+void radix_tree_init(void);
+
+static inline void radix_tree_preload_end(void)
+{
+}
+
+/***************************************************************************
+ *
+ * Linux kernel red black tree emulation.
+ *
+ ***************************************************************************/
+struct rb_node {
+ unsigned long rb_parent_color;
+#define RB_RED 0
+#define RB_BLACK 1
+ struct rb_node *rb_right;
+ struct rb_node *rb_left;
+};
+
+struct rb_root {
+ struct rb_node *rb_node;
+};
+
+
+#define rb_parent(r) ((struct rb_node *)((r)->rb_parent_color & ~3))
+#define rb_color(r) ((r)->rb_parent_color & 1)
+#define rb_is_red(r) (!rb_color(r))
+#define rb_is_black(r) rb_color(r)
+#define rb_set_red(r) do { (r)->rb_parent_color &= ~1; } while (0)
+#define rb_set_black(r) do { (r)->rb_parent_color |= 1; } while (0)
+
+static inline void rb_set_parent(struct rb_node *rb, struct rb_node *p)
+{
+ rb->rb_parent_color = (rb->rb_parent_color & 3) | (unsigned long)p;
+}
+static inline void rb_set_color(struct rb_node *rb, int color)
+{
+ rb->rb_parent_color = (rb->rb_parent_color & ~1) | color;
+}
+
+#define RB_ROOT ((struct rb_root) { NULL, })
+#define rb_entry(ptr, type, member) container_of(ptr, type, member)
+
+#define RB_EMPTY_ROOT(root) ((root)->rb_node == NULL)
+#define RB_EMPTY_NODE(node) (rb_parent(node) == node)
+#define RB_CLEAR_NODE(node) (rb_set_parent(node, node))
+
+static inline void rb_init_node(struct rb_node *rb)
+{
+ rb->rb_parent_color = 0;
+ rb->rb_right = NULL;
+ rb->rb_left = NULL;
+ RB_CLEAR_NODE(rb);
+}
+
+extern void rb_insert_color(struct rb_node *, struct rb_root *);
+extern void rb_erase(struct rb_node *, struct rb_root *);
+
+/* Find logical next and previous nodes in a tree */
+extern struct rb_node *rb_next(const struct rb_node *);
+extern struct rb_node *rb_prev(const struct rb_node *);
+extern struct rb_node *rb_first(const struct rb_root *);
+extern struct rb_node *rb_last(const struct rb_root *);
+static inline void rb_link_node(struct rb_node *node, struct rb_node *parent,
+ struct rb_node **rb_link)
+{
+ node->rb_parent_color = (unsigned long)parent;
+ node->rb_left = node->rb_right = NULL;
+
+ *rb_link = node;
+}
+
+/***************************************************************************
+ *
+ * End of Linux kernel red black tree emulation.
+ *
+ ***************************************************************************/
+
+typedef ssize_t (*read_actor_t)();
+
+# ifndef IFTODT
+# define IFSHIFT 12
+# define IFTODT(type) (((type) & S_IFMT) >> IFSHIFT)
+# define DTTOIF(dirtype) ((dirtype) << IFSHIFT)
+# endif
+
+#ifndef ERESTARTSYS
+#define ERESTARTSYS ERESTART
+#endif
+
#endif
git://git.whamcloud.com / fs / lustre-release.git / blobdiff