+++ /dev/null
-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- */
-#ifndef _LIBCFS_H
-#define _LIBCFS_H
-
-#ifdef HAVE_ASM_TYPES_H
-#include <asm/types.h>
-#else
-#include "types.h"
-#endif
-
-#ifdef __KERNEL__
-# include <linux/time.h>
-# include <asm/timex.h>
-#else
-# include <sys/time.h>
-# define do_gettimeofday(tv) gettimeofday(tv, NULL);
-typedef unsigned long long cycles_t;
-#endif
-
-#define PORTAL_DEBUG
-
-#ifndef offsetof
-# define offsetof(typ,memb) ((unsigned long)((char *)&(((typ *)0)->memb)))
-#endif
-
-#define LOWEST_BIT_SET(x) ((x) & ~((x) - 1))
-
-#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__ */
-
-/*
- * Debugging
- */
-extern unsigned int portal_subsystem_debug;
-extern unsigned int portal_stack;
-extern unsigned int portal_debug;
-extern unsigned int portal_printk;
-
-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));
-
-#define PH_FLAG_FIRST_RECORD 1
-
-/* 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_NAL 0x00000800 /* ALL NALs */
-#define S_PINGER 0x00001000
-#define S_FILTER 0x00002000
-#define S_PTLBD 0x00004000
-#define S_ECHO 0x00008000
-#define S_LDLM 0x00010000
-#define S_LOV 0x00020000
-#define S_PTLROUTER 0x00040000
-#define S_COBD 0x00080000
-#define S_SM 0x00100000
-#define S_ASOBD 0x00200000
-#define S_CONFOBD 0x00400000
-#define S_LMV 0x00800000
-#define S_CMOBD 0x01000000
-/* If you change these values, please keep these files up to date...
- * portals/utils/debug.c
- * utils/lconf
- */
-
-/* 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 */
-#define D_MMAP 0x00800000
-#define D_CONFIG 0x01000000
-/* If you change these values, please keep these files up to date...
- * portals/utils/debug.c
- * utils/lconf
- */
-
-#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__ */
-
-#if 1
-#define CDEBUG(mask, format, a...) \
-do { \
- 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 CDEBUG_MAX_LIMIT 600
-#define CDEBUG_LIMIT(cdebug_mask, cdebug_format, a...) \
-do { \
- static unsigned long cdebug_next = 0; \
- static int cdebug_count = 0, cdebug_delay = 1; \
- \
- CHECK_STACK(CDEBUG_STACK); \
- if (time_after(jiffies, cdebug_next)) { \
- portals_debug_msg(DEBUG_SUBSYSTEM, cdebug_mask, __FILE__, \
- __FUNCTION__, __LINE__, CDEBUG_STACK, \
- cdebug_format, ## a); \
- if (cdebug_count) { \
- portals_debug_msg(DEBUG_SUBSYSTEM, cdebug_mask, \
- __FILE__, __FUNCTION__, __LINE__, \
- 0, "skipped %d similar messages\n", \
- cdebug_count); \
- cdebug_count = 0; \
- } \
- if (time_after(jiffies, cdebug_next+(CDEBUG_MAX_LIMIT+10)*HZ))\
- cdebug_delay = cdebug_delay > 8 ? cdebug_delay/8 : 1; \
- else \
- cdebug_delay = cdebug_delay*2 >= CDEBUG_MAX_LIMIT*HZ ?\
- CDEBUG_MAX_LIMIT*HZ : cdebug_delay*2; \
- cdebug_next = jiffies + cdebug_delay; \
- } else { \
- portals_debug_msg(DEBUG_SUBSYSTEM, \
- portal_debug & ~(D_EMERG|D_ERROR|D_WARNING),\
- __FILE__, __FUNCTION__, __LINE__, \
- CDEBUG_STACK, cdebug_format, ## a); \
- cdebug_count++; \
- } \
-} while (0)
-
-#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(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...) printk(KERN_WARNING format, ## a)
-#define CERROR(format, a...) printk(KERN_ERR format, ## a)
-#define CEMERG(format, a...) printk(KERN_EMERG 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
-
-/* 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 LUSTRE_SRV_PTL_PID LUSTRE_PTL_PID
-
-#define PORTALS_CFG_VERSION 0x00010001;
-
-struct portals_cfg {
- __u32 pcfg_version;
- __u32 pcfg_command;
-
- __u32 pcfg_nal;
- __u32 pcfg_flags;
-
- __u32 pcfg_gw_nal;
- __u64 pcfg_nid;
- __u64 pcfg_nid2;
- __u64 pcfg_nid3;
- __u32 pcfg_id;
- __u32 pcfg_misc;
- __u32 pcfg_fd;
- __u32 pcfg_count;
- __u32 pcfg_size;
- __u32 pcfg_wait;
-
- __u32 pcfg_plen1; /* buffers in userspace */
- char *pcfg_pbuf1;
- __u32 pcfg_plen2; /* buffers in userspace */
- char *pcfg_pbuf2;
-};
-
-#define PCFG_INIT(pcfg, cmd) \
-do { \
- memset(&pcfg, 0, sizeof(pcfg)); \
- pcfg.pcfg_version = PORTALS_CFG_VERSION; \
- pcfg.pcfg_command = (cmd); \
- \
-} while (0)
-
-typedef int (nal_cmd_handler_fn)(struct portals_cfg *, void *);
-int libcfs_nal_cmd_register(int nal, nal_cmd_handler_fn *handler, void *arg);
-int libcfs_nal_cmd(struct portals_cfg *pcfg);
-void libcfs_nal_cmd_unregister(int nal);
-
-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
-
-#ifdef __KERNEL__
-/* libcfs watchdogs */
-struct lc_watchdog;
-
-/* Just use the default handler (dumplog) */
-#define LC_WATCHDOG_DEFAULT_CB NULL
-
-/* Add a watchdog which fires after "time" milliseconds of delay. You have to
- * touch it once to enable it. */
-struct lc_watchdog *lc_watchdog_add(int time,
- void (*cb)(struct lc_watchdog *,
- struct task_struct *,
- void *),
- void *data);
-
-/* Enables a watchdog and resets its timer. */
-void lc_watchdog_touch(struct lc_watchdog *lcw);
-
-/* Disable a watchdog; touch it to restart it. */
-void lc_watchdog_disable(struct lc_watchdog *lcw);
-
-/* Clean up the watchdog */
-void lc_watchdog_delete(struct lc_watchdog *lcw);
-
-/* Dump a debug log */
-void lc_watchdog_dumplog(struct lc_watchdog *lcw,
- struct task_struct *tsk,
- void *data);
-#endif /* !__KERNEL__ */
-
-#endif /* _LIBCFS_H */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff