1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
7 #ifdef HAVE_ASM_TYPES_H
14 # include <linux/time.h>
15 # include <asm/timex.h>
17 # include <sys/time.h>
18 # define do_gettimeofday(tv) gettimeofday(tv, NULL);
19 typedef unsigned long long cycles_t;
25 # define offsetof(typ,memb) ((unsigned long)((char *)&(((typ *)0)->memb)))
28 #define LOWEST_BIT_SET(x) ((x) & ~((x) - 1))
31 /* Userpace byte flipping */
33 # include <byteswap.h>
34 # define __swab16(x) bswap_16(x)
35 # define __swab32(x) bswap_32(x)
36 # define __swab64(x) bswap_64(x)
37 # define __swab16s(x) do {*(x) = bswap_16(*(x));} while (0)
38 # define __swab32s(x) do {*(x) = bswap_32(*(x));} while (0)
39 # define __swab64s(x) do {*(x) = bswap_64(*(x));} while (0)
40 # if __BYTE_ORDER == __LITTLE_ENDIAN
41 # define le16_to_cpu(x) (x)
42 # define cpu_to_le16(x) (x)
43 # define le32_to_cpu(x) (x)
44 # define cpu_to_le32(x) (x)
45 # define le64_to_cpu(x) (x)
46 # define cpu_to_le64(x) (x)
48 # if __BYTE_ORDER == __BIG_ENDIAN
49 # define le16_to_cpu(x) bswap_16(x)
50 # define cpu_to_le16(x) bswap_16(x)
51 # define le32_to_cpu(x) bswap_32(x)
52 # define cpu_to_le32(x) bswap_32(x)
53 # define le64_to_cpu(x) bswap_64(x)
54 # define cpu_to_le64(x) bswap_64(x)
56 # error "Unknown byte order"
57 # endif /* __BIG_ENDIAN */
58 # endif /* __LITTLE_ENDIAN */
59 #endif /* ! __KERNEL__ */
64 extern unsigned int portal_subsystem_debug;
65 extern unsigned int portal_stack;
66 extern unsigned int portal_debug;
67 extern unsigned int portal_printk;
69 struct ptldebug_header {
81 } __attribute__((packed));
83 #define PH_FLAG_FIRST_RECORD 1
85 /* Debugging subsystems (32 bits, non-overlapping) */
86 #define S_UNDEFINED 0x00000001
87 #define S_MDC 0x00000002
88 #define S_MDS 0x00000004
89 #define S_OSC 0x00000008
90 #define S_OST 0x00000010
91 #define S_CLASS 0x00000020
92 #define S_LOG 0x00000040
93 #define S_LLITE 0x00000080
94 #define S_RPC 0x00000100
95 #define S_MGMT 0x00000200
96 #define S_PORTALS 0x00000400
97 #define S_NAL 0x00000800 /* ALL NALs */
98 #define S_PINGER 0x00001000
99 #define S_FILTER 0x00002000
100 #define S_PTLBD 0x00004000
101 #define S_ECHO 0x00008000
102 #define S_LDLM 0x00010000
103 #define S_LOV 0x00020000
104 #define S_PTLROUTER 0x00040000
105 #define S_COBD 0x00080000
106 #define S_SM 0x00100000
107 #define S_ASOBD 0x00200000
108 #define S_CONFOBD 0x00400000
109 #define S_LMV 0x00800000
110 #define S_CMOBD 0x01000000
111 /* If you change these values, please keep these files up to date...
112 * portals/utils/debug.c
116 /* Debugging masks (32 bits, non-overlapping) */
117 #define D_TRACE 0x00000001 /* ENTRY/EXIT markers */
118 #define D_INODE 0x00000002
119 #define D_SUPER 0x00000004
120 #define D_EXT2 0x00000008 /* anything from ext2_debug */
121 #define D_MALLOC 0x00000010 /* print malloc, free information */
122 #define D_CACHE 0x00000020 /* cache-related items */
123 #define D_INFO 0x00000040 /* general information */
124 #define D_IOCTL 0x00000080 /* ioctl related information */
125 #define D_BLOCKS 0x00000100 /* ext2 block allocation */
126 #define D_NET 0x00000200 /* network communications */
127 #define D_WARNING 0x00000400 /* CWARN(...) == CDEBUG (D_WARNING, ...) */
128 #define D_BUFFS 0x00000800
129 #define D_OTHER 0x00001000
130 #define D_DENTRY 0x00002000
131 #define D_PORTALS 0x00004000 /* ENTRY/EXIT markers */
132 #define D_PAGE 0x00008000 /* bulk page handling */
133 #define D_DLMTRACE 0x00010000
134 #define D_ERROR 0x00020000 /* CERROR(...) == CDEBUG (D_ERROR, ...) */
135 #define D_EMERG 0x00040000 /* CEMERG(...) == CDEBUG (D_EMERG, ...) */
136 #define D_HA 0x00080000 /* recovery and failover */
137 #define D_RPCTRACE 0x00100000 /* for distributed debugging */
138 #define D_VFSTRACE 0x00200000
139 #define D_READA 0x00400000 /* read-ahead */
140 #define D_MMAP 0x00800000
141 #define D_CONFIG 0x01000000
142 /* If you change these values, please keep these files up to date...
143 * portals/utils/debug.c
148 # include <linux/sched.h> /* THREAD_SIZE */
150 # ifndef THREAD_SIZE /* x86_64 has THREAD_SIZE in userspace */
151 # define THREAD_SIZE 8192
155 #define LUSTRE_TRACE_SIZE (THREAD_SIZE >> 5)
159 # define CDEBUG_STACK (THREAD_SIZE - \
160 ((unsigned long)__builtin_dwarf_cfa() & \
163 # define CDEBUG_STACK (THREAD_SIZE - \
164 ((unsigned long)__builtin_frame_address(0) & \
166 # endif /* __ia64__ */
168 #define CHECK_STACK(stack) \
170 if ((stack) > 3*THREAD_SIZE/4 && (stack) > portal_stack) { \
171 portals_debug_msg(DEBUG_SUBSYSTEM, D_WARNING, \
172 __FILE__, __FUNCTION__, __LINE__, \
173 (stack),"maximum lustre stack %u\n",\
174 portal_stack = (stack)); \
178 #else /* !__KERNEL__ */
179 #define CHECK_STACK(stack) do { } while(0)
180 #define CDEBUG_STACK (0L)
181 #endif /* __KERNEL__ */
184 #define CDEBUG(mask, format, a...) \
186 CHECK_STACK(CDEBUG_STACK); \
187 if (((mask) & (D_ERROR | D_EMERG | D_WARNING)) || \
188 (portal_debug & (mask) && \
189 portal_subsystem_debug & DEBUG_SUBSYSTEM)) \
190 portals_debug_msg(DEBUG_SUBSYSTEM, mask, \
191 __FILE__, __FUNCTION__, __LINE__, \
192 CDEBUG_STACK, format, ## a); \
195 #define CDEBUG_MAX_LIMIT 600
196 #define CDEBUG_LIMIT(cdebug_mask, cdebug_format, a...) \
198 static unsigned long cdebug_next = 0; \
199 static int cdebug_count = 0, cdebug_delay = 1; \
201 CHECK_STACK(CDEBUG_STACK); \
202 if (time_after(jiffies, cdebug_next)) { \
203 portals_debug_msg(DEBUG_SUBSYSTEM, cdebug_mask, __FILE__, \
204 __FUNCTION__, __LINE__, CDEBUG_STACK, \
205 cdebug_format, ## a); \
206 if (cdebug_count) { \
207 portals_debug_msg(DEBUG_SUBSYSTEM, cdebug_mask, \
208 __FILE__, __FUNCTION__, __LINE__, \
209 0, "skipped %d similar messages\n", \
213 if (time_after(jiffies, cdebug_next+(CDEBUG_MAX_LIMIT+10)*HZ))\
214 cdebug_delay = cdebug_delay > 8 ? cdebug_delay/8 : 1; \
216 cdebug_delay = cdebug_delay*2 >= CDEBUG_MAX_LIMIT*HZ ?\
217 CDEBUG_MAX_LIMIT*HZ : cdebug_delay*2; \
218 cdebug_next = jiffies + cdebug_delay; \
220 portals_debug_msg(DEBUG_SUBSYSTEM, \
221 portal_debug & ~(D_EMERG|D_ERROR|D_WARNING),\
222 __FILE__, __FUNCTION__, __LINE__, \
223 CDEBUG_STACK, cdebug_format, ## a); \
228 #define CWARN(format, a...) CDEBUG_LIMIT(D_WARNING, format, ## a)
229 #define CERROR(format, a...) CDEBUG_LIMIT(D_ERROR, format, ## a)
230 #define CEMERG(format, a...) CDEBUG(D_EMERG, format, ## a)
232 #define GOTO(label, rc) \
234 long GOTO__ret = (long)(rc); \
235 CDEBUG(D_TRACE,"Process leaving via %s (rc=%lu : %ld : %lx)\n", \
236 #label, (unsigned long)GOTO__ret, (signed long)GOTO__ret,\
237 (signed long)GOTO__ret); \
243 typeof(rc) RETURN__ret = (rc); \
244 CDEBUG(D_TRACE, "Process leaving (rc=%lu : %ld : %lx)\n", \
245 (long)RETURN__ret, (long)RETURN__ret, (long)RETURN__ret);\
246 return RETURN__ret; \
251 CDEBUG(D_TRACE, "Process entered\n"); \
256 CDEBUG(D_TRACE, "Process leaving\n"); \
259 #define CDEBUG(mask, format, a...) do { } while (0)
260 #define CWARN(format, a...) printk(KERN_WARNING format, ## a)
261 #define CERROR(format, a...) printk(KERN_ERR format, ## a)
262 #define CEMERG(format, a...) printk(KERN_EMERG format, ## a)
263 #define GOTO(label, rc) do { (void)(rc); goto label; } while (0)
264 #define RETURN(rc) return (rc)
265 #define ENTRY do { } while (0)
266 #define EXIT do { } while (0)
272 * 1) ptl_pid_t in cray portals is only 16 bits, not 32 bits, therefore this
275 * 2) the implementation of ernal in cray portals further restricts the pid
276 * space that may be used to 0 <= pid <= 255 (an 8 bit value). Returns
277 * an error at nal init time for any pid outside this range. Other nals
278 * in cray portals don't have this restriction.
280 #define LUSTRE_PTL_PID 9
282 #define LUSTRE_PTL_PID 12345
285 #define LUSTRE_SRV_PTL_PID LUSTRE_PTL_PID
287 #define PORTALS_CFG_VERSION 0x00010001;
307 __u32 pcfg_plen1; /* buffers in userspace */
309 __u32 pcfg_plen2; /* buffers in userspace */
313 #define PCFG_INIT(pcfg, cmd) \
315 memset(&pcfg, 0, sizeof(pcfg)); \
316 pcfg.pcfg_version = PORTALS_CFG_VERSION; \
317 pcfg.pcfg_command = (cmd); \
321 typedef int (nal_cmd_handler_fn)(struct portals_cfg *, void *);
322 int libcfs_nal_cmd_register(int nal, nal_cmd_handler_fn *handler, void *arg);
323 int libcfs_nal_cmd(struct portals_cfg *pcfg);
324 void libcfs_nal_cmd_unregister(int nal);
326 struct portal_ioctl_data {
350 __u32 ioc_plen1; /* buffers in userspace */
352 __u32 ioc_plen2; /* buffers in userspace */
361 #include <linux/list.h>
363 struct libcfs_ioctl_handler {
364 struct list_head item;
365 int (*handle_ioctl)(struct portal_ioctl_data *data,
366 unsigned int cmd, unsigned long args);
369 #define DECLARE_IOCTL_HANDLER(ident, func) \
370 struct libcfs_ioctl_handler ident = { \
371 .item = LIST_HEAD_INIT(ident.item), \
372 .handle_ioctl = func \
375 int libcfs_register_ioctl(struct libcfs_ioctl_handler *hand);
376 int libcfs_deregister_ioctl(struct libcfs_ioctl_handler *hand);
381 /* libcfs watchdogs */
384 /* Just use the default handler (dumplog) */
385 #define LC_WATCHDOG_DEFAULT_CB NULL
387 /* Add a watchdog which fires after "time" milliseconds of delay. You have to
388 * touch it once to enable it. */
389 struct lc_watchdog *lc_watchdog_add(int time,
390 void (*cb)(struct lc_watchdog *,
391 struct task_struct *,
395 /* Enables a watchdog and resets its timer. */
396 void lc_watchdog_touch(struct lc_watchdog *lcw);
398 /* Disable a watchdog; touch it to restart it. */
399 void lc_watchdog_disable(struct lc_watchdog *lcw);
401 /* Clean up the watchdog */
402 void lc_watchdog_delete(struct lc_watchdog *lcw);
404 /* Dump a debug log */
405 void lc_watchdog_dumplog(struct lc_watchdog *lcw,
406 struct task_struct *tsk,
408 #endif /* !__KERNEL__ */
410 #endif /* _LIBCFS_H */