/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*- * vim:expandtab:shiftwidth=8:tabstop=8: */ #ifndef _LIBCFS_H #define PORTAL_DEBUG /* I think this beast is just trying to get cycles_t and get_cycles(). * this should be in its own header. */ #ifdef __linux__ # include # if defined(__powerpc__) && !defined(__KERNEL__) # define __KERNEL__ # include # undef __KERNEL__ # else # if defined(__KERNEL__) # include # else # include # define cycles_t unsigned long static inline cycles_t get_cycles(void) { struct timeval tv; gettimeofday(&tv, NULL); return (tv.tv_sec * 100000) + tv.tv_usec; } # endif # endif #else # include typedef u_int32_t __u32; typedef u_int64_t __u64; #endif #ifdef __KERNEL__ # include #else # include # define do_gettimeofday(tv) gettimeofday(tv, NULL); #endif #ifndef offsetof # define offsetof(typ,memb) ((unsigned long)((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 #define S_SM 0x00800000 #define S_ASOBD 0x01000000 #define S_LMV 0x02000000 #define S_CMOBD 0x04000000 /* 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 /* 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 #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 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 */