--- /dev/null
+/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
+ * vim:expandtab:shiftwidth=8:tabstop=8:
+ */
+#ifndef _LIBCFS_H
+
+
+#define PORTAL_DEBUG
+
+#ifndef offsetof
+# define offsetof(typ,memb) ((int)((char *)&(((typ *)0)->memb)))
+#endif
+
+#define LOWEST_BIT_SET(x) ((x) & ~((x) - 1))
+
+/*
+ * Debugging
+ */
+extern unsigned int portal_subsystem_debug;
+extern unsigned int portal_stack;
+extern unsigned int portal_debug;
+extern unsigned int portal_printk;
+extern unsigned int portal_cerror;
+/* Debugging subsystems (32 bits, non-overlapping) */
+#define S_UNDEFINED 0x00000001
+#define S_MDC 0x00000002
+#define S_MDS 0x00000004
+#define S_OSC 0x00000008
+#define S_OST 0x00000010
+#define S_CLASS 0x00000020
+#define S_LOG 0x00000040
+#define S_LLITE 0x00000080
+#define S_RPC 0x00000100
+#define S_MGMT 0x00000200
+#define S_PORTALS 0x00000400
+#define S_SOCKNAL 0x00000800
+#define S_QSWNAL 0x00001000
+#define S_PINGER 0x00002000
+#define S_FILTER 0x00004000
+#define S_PTLBD 0x00008000
+#define S_ECHO 0x00010000
+#define S_LDLM 0x00020000
+#define S_LOV 0x00040000
+#define S_GMNAL 0x00080000
+#define S_PTLROUTER 0x00100000
+#define S_COBD 0x00200000
+#define S_IBNAL 0x00400000
+
+/* If you change these values, please keep portals/utils/debug.c
+ * up to date! */
+
+/* Debugging masks (32 bits, non-overlapping) */
+#define D_TRACE 0x00000001 /* ENTRY/EXIT markers */
+#define D_INODE 0x00000002
+#define D_SUPER 0x00000004
+#define D_EXT2 0x00000008 /* anything from ext2_debug */
+#define D_MALLOC 0x00000010 /* print malloc, free information */
+#define D_CACHE 0x00000020 /* cache-related items */
+#define D_INFO 0x00000040 /* general information */
+#define D_IOCTL 0x00000080 /* ioctl related information */
+#define D_BLOCKS 0x00000100 /* ext2 block allocation */
+#define D_NET 0x00000200 /* network communications */
+#define D_WARNING 0x00000400 /* CWARN(...) == CDEBUG (D_WARNING, ...) */
+#define D_BUFFS 0x00000800
+#define D_OTHER 0x00001000
+#define D_DENTRY 0x00002000
+#define D_PORTALS 0x00004000 /* ENTRY/EXIT markers */
+#define D_PAGE 0x00008000 /* bulk page handling */
+#define D_DLMTRACE 0x00010000
+#define D_ERROR 0x00020000 /* CERROR(...) == CDEBUG (D_ERROR, ...) */
+#define D_EMERG 0x00040000 /* CEMERG(...) == CDEBUG (D_EMERG, ...) */
+#define D_HA 0x00080000 /* recovery and failover */
+#define D_RPCTRACE 0x00100000 /* for distributed debugging */
+#define D_VFSTRACE 0x00200000
+#define D_READA 0x00400000 /* read-ahead */
+
+#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
+
+#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__ */
+
+#if 1
+#define CDEBUG(mask, format, a...) \
+do { \
+ if (portal_cerror == 0) \
+ break; \
+ CHECK_STACK(CDEBUG_STACK); \
+ if (((mask) & (D_ERROR | D_EMERG | D_WARNING)) || \
+ (portal_debug & (mask) && \
+ portal_subsystem_debug & DEBUG_SUBSYSTEM)) \
+ portals_debug_msg(DEBUG_SUBSYSTEM, mask, \
+ __FILE__, __FUNCTION__, __LINE__, \
+ CDEBUG_STACK, format, ## a); \
+} while (0)
+
+#define CWARN(format, a...) CDEBUG(D_WARNING, format, ## a)
+#define CERROR(format, a...) CDEBUG(D_ERROR, format, ## a)
+#define CEMERG(format, a...) CDEBUG(D_EMERG, format, ## a)
+
+#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); \
+ goto label; \
+} while (0)
+
+#define RETURN(rc) \
+do { \
+ typeof(rc) RETURN__ret = (rc); \
+ CDEBUG(D_TRACE, "Process leaving (rc=%lu : %ld : %lx)\n", \
+ (long)RETURN__ret, (long)RETURN__ret, (long)RETURN__ret);\
+ return RETURN__ret; \
+} while (0)
+
+#define ENTRY \
+do { \
+ CDEBUG(D_TRACE, "Process entered\n"); \
+} while (0)
+
+#define EXIT \
+do { \
+ CDEBUG(D_TRACE, "Process leaving\n"); \
+} while(0)
+#else
+#define CDEBUG(mask, format, a...) do { } while (0)
+#define CWARN(format, a...) do { } while (0)
+#define CERROR(format, a...) printk("<3>" format, ## a)
+#define CEMERG(format, a...) printk("<0>" format, ## a)
+#define GOTO(label, rc) do { (void)(rc); goto label; } while (0)
+#define RETURN(rc) return (rc)
+#define ENTRY do { } while (0)
+#define EXIT do { } while (0)
+#endif
+
+struct portal_ioctl_data {
+ __u32 ioc_len;
+ __u32 ioc_version;
+ __u64 ioc_nid;
+ __u64 ioc_nid2;
+ __u64 ioc_nid3;
+ __u32 ioc_count;
+ __u32 ioc_nal;
+ __u32 ioc_nal_cmd;
+ __u32 ioc_fd;
+ __u32 ioc_id;
+
+ __u32 ioc_flags;
+ __u32 ioc_size;
+
+ __u32 ioc_wait;
+ __u32 ioc_timeout;
+ __u32 ioc_misc;
+
+ __u32 ioc_inllen1;
+ char *ioc_inlbuf1;
+ __u32 ioc_inllen2;
+ char *ioc_inlbuf2;
+
+ __u32 ioc_plen1; /* buffers in userspace */
+ char *ioc_pbuf1;
+ __u32 ioc_plen2; /* buffers in userspace */
+ char *ioc_pbuf2;
+
+ char ioc_bulk[0];
+};
+
+#ifdef __KERNEL__
+
+#include <linux/list.h>
+
+struct libcfs_ioctl_handler {
+ struct list_head item;
+ int (*handle_ioctl)(struct portal_ioctl_data *data,
+ unsigned int cmd, unsigned long args);
+};
+
+#define DECLARE_IOCTL_HANDLER(ident, func) \
+ struct libcfs_ioctl_handler ident = { \
+ .item = LIST_HEAD_INIT(ident.item), \
+ .handle_ioctl = func \
+ }
+
+int libcfs_register_ioctl(struct libcfs_ioctl_handler *hand);
+int libcfs_deregister_ioctl(struct libcfs_ioctl_handler *hand);
+
+#endif
+
+#define _LIBCFS_H
+
+#endif /* _LIBCFS_H */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff