/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*- * vim:expandtab:shiftwidth=8:tabstop=8: * * Copyright (C) 2001, 2002 Cluster File Systems, Inc. * * This file is part of Lustre, http://www.lustre.org. * * Lustre is free software; you can redistribute it and/or * modify it under the terms of version 2 of the GNU General Public * License as published by the Free Software Foundation. * * Lustre is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with Lustre; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * */ #ifndef _OBD_SUPPORT #define _OBD_SUPPORT #include /* global variables */ extern atomic_t obd_memory; extern int obd_memmax; extern unsigned int obd_fail_loc; extern unsigned int obd_debug_peer_on_timeout; extern unsigned int obd_dump_on_timeout; extern unsigned int obd_dump_on_eviction; extern unsigned int obd_timeout; /* seconds */ #define PING_INTERVAL max(obd_timeout / 4, 1U) #define RECONNECT_INTERVAL max(obd_timeout / 10, 10U) #define LDLM_TIMEOUT_DEFAULT 20 extern unsigned int ldlm_timeout; extern unsigned int obd_health_check_timeout; extern unsigned int obd_sync_filter; extern unsigned int obd_max_dirty_pages; extern atomic_t obd_dirty_pages; extern cfs_waitq_t obd_race_waitq; extern int obd_race_state; #define OBD_FAIL_MDS 0x100 #define OBD_FAIL_MDS_HANDLE_UNPACK 0x101 #define OBD_FAIL_MDS_GETATTR_NET 0x102 #define OBD_FAIL_MDS_GETATTR_PACK 0x103 #define OBD_FAIL_MDS_READPAGE_NET 0x104 #define OBD_FAIL_MDS_READPAGE_PACK 0x105 #define OBD_FAIL_MDS_SENDPAGE 0x106 #define OBD_FAIL_MDS_REINT_NET 0x107 #define OBD_FAIL_MDS_REINT_UNPACK 0x108 #define OBD_FAIL_MDS_REINT_SETATTR 0x109 #define OBD_FAIL_MDS_REINT_SETATTR_WRITE 0x10a #define OBD_FAIL_MDS_REINT_CREATE 0x10b #define OBD_FAIL_MDS_REINT_CREATE_WRITE 0x10c #define OBD_FAIL_MDS_REINT_UNLINK 0x10d #define OBD_FAIL_MDS_REINT_UNLINK_WRITE 0x10e #define OBD_FAIL_MDS_REINT_LINK 0x10f #define OBD_FAIL_MDS_REINT_LINK_WRITE 0x110 #define OBD_FAIL_MDS_REINT_RENAME 0x111 #define OBD_FAIL_MDS_REINT_RENAME_WRITE 0x112 #define OBD_FAIL_MDS_OPEN_NET 0x113 #define OBD_FAIL_MDS_OPEN_PACK 0x114 #define OBD_FAIL_MDS_CLOSE_NET 0x115 #define OBD_FAIL_MDS_CLOSE_PACK 0x116 #define OBD_FAIL_MDS_CONNECT_NET 0x117 #define OBD_FAIL_MDS_CONNECT_PACK 0x118 #define OBD_FAIL_MDS_REINT_NET_REP 0x119 #define OBD_FAIL_MDS_DISCONNECT_NET 0x11a #define OBD_FAIL_MDS_GETSTATUS_NET 0x11b #define OBD_FAIL_MDS_GETSTATUS_PACK 0x11c #define OBD_FAIL_MDS_STATFS_PACK 0x11d #define OBD_FAIL_MDS_STATFS_NET 0x11e #define OBD_FAIL_MDS_GETATTR_NAME_NET 0x11f #define OBD_FAIL_MDS_PIN_NET 0x120 #define OBD_FAIL_MDS_UNPIN_NET 0x121 #define OBD_FAIL_MDS_ALL_REPLY_NET 0x122 #define OBD_FAIL_MDS_ALL_REQUEST_NET 0x123 #define OBD_FAIL_MDS_SYNC_NET 0x124 #define OBD_FAIL_MDS_SYNC_PACK 0x125 #define OBD_FAIL_MDS_DONE_WRITING_NET 0x126 #define OBD_FAIL_MDS_DONE_WRITING_PACK 0x127 #define OBD_FAIL_MDS_ALLOC_OBDO 0x128 #define OBD_FAIL_MDS_PAUSE_OPEN 0x129 #define OBD_FAIL_MDS_STATFS_LCW_SLEEP 0x12a #define OBD_FAIL_MDS_OPEN_CREATE 0x12b #define OBD_FAIL_MDS_OST_SETATTR 0x12c #define OBD_FAIL_MDS_QUOTACHECK_NET 0x12d #define OBD_FAIL_MDS_QUOTACTL_NET 0x12e #define OBD_FAIL_MDS_CLIENT_ADD 0x12f #define OBD_FAIL_MDS_GETXATTR_NET 0x130 #define OBD_FAIL_MDS_GETXATTR_PACK 0x131 #define OBD_FAIL_MDS_SETXATTR_NET 0x132 #define OBD_FAIL_MDS_SETXATTR 0x133 #define OBD_FAIL_MDS_SETXATTR_WRITE 0x134 #define OBD_FAIL_MDS_FS_SETUP 0x135 #define OBD_FAIL_MDS_RESEND 0x136 #define OBD_FAIL_OST 0x200 #define OBD_FAIL_OST_CONNECT_NET 0x201 #define OBD_FAIL_OST_DISCONNECT_NET 0x202 #define OBD_FAIL_OST_GET_INFO_NET 0x203 #define OBD_FAIL_OST_CREATE_NET 0x204 #define OBD_FAIL_OST_DESTROY_NET 0x205 #define OBD_FAIL_OST_GETATTR_NET 0x206 #define OBD_FAIL_OST_SETATTR_NET 0x207 #define OBD_FAIL_OST_OPEN_NET 0x208 #define OBD_FAIL_OST_CLOSE_NET 0x209 #define OBD_FAIL_OST_BRW_NET 0x20a #define OBD_FAIL_OST_PUNCH_NET 0x20b #define OBD_FAIL_OST_STATFS_NET 0x20c #define OBD_FAIL_OST_HANDLE_UNPACK 0x20d #define OBD_FAIL_OST_BRW_WRITE_BULK 0x20e #define OBD_FAIL_OST_BRW_READ_BULK 0x20f #define OBD_FAIL_OST_SYNC_NET 0x210 #define OBD_FAIL_OST_ALL_REPLY_NET 0x211 #define OBD_FAIL_OST_ALL_REQUESTS_NET 0x212 #define OBD_FAIL_OST_LDLM_REPLY_NET 0x213 #define OBD_FAIL_OST_BRW_PAUSE_BULK 0x214 #define OBD_FAIL_OST_ENOSPC 0x215 #define OBD_FAIL_OST_EROFS 0x216 #define OBD_FAIL_OST_ENOENT 0x217 #define OBD_FAIL_OST_QUOTACHECK_NET 0x218 #define OBD_FAIL_OST_QUOTACTL_NET 0x219 #define OBD_FAIL_OST_CHECKSUM_RECEIVE 0x21a #define OBD_FAIL_OST_CHECKSUM_SEND 0x21b #define OBD_FAIL_OST_BRW_SIZE 0x21c #define OBD_FAIL_OST_DROP_REQ 0x21d #define OBD_FAIL_OST_SETATTR_CREDITS 0x21e #define OBD_FAIL_OST_HOLD_WRITE_RPC 0x21f #define OBD_FAIL_LDLM 0x300 #define OBD_FAIL_LDLM_NAMESPACE_NEW 0x301 #define OBD_FAIL_LDLM_ENQUEUE 0x302 #define OBD_FAIL_LDLM_CONVERT 0x303 #define OBD_FAIL_LDLM_CANCEL 0x304 #define OBD_FAIL_LDLM_BL_CALLBACK 0x305 #define OBD_FAIL_LDLM_CP_CALLBACK 0x306 #define OBD_FAIL_LDLM_GL_CALLBACK 0x307 #define OBD_FAIL_LDLM_ENQUEUE_EXTENT_ERR 0x308 #define OBD_FAIL_LDLM_ENQUEUE_INTENT_ERR 0x309 #define OBD_FAIL_LDLM_CREATE_RESOURCE 0x30a #define OBD_FAIL_LDLM_ENQUEUE_BLOCKED 0x30b #define OBD_FAIL_LDLM_REPLY 0x30c #define OBD_FAIL_LDLM_RECOV_CLIENTS 0x30d #define OBD_FAIL_LDLM_ENQUEUE_OLD_EXPORT 0x30e #define OBD_FAIL_LDLM_GLIMPSE 0x30f #define OBD_FAIL_OSC 0x400 #define OBD_FAIL_OSC_BRW_READ_BULK 0x401 #define OBD_FAIL_OSC_BRW_WRITE_BULK 0x402 #define OBD_FAIL_OSC_LOCK_BL_AST 0x403 #define OBD_FAIL_OSC_LOCK_CP_AST 0x404 #define OBD_FAIL_OSC_MATCH 0x405 #define OBD_FAIL_OSC_BRW_PREP_REQ 0x406 #define OBD_FAIL_OSC_SHUTDOWN 0x407 #define OBD_FAIL_OSC_CHECKSUM_RECEIVE 0x408 #define OBD_FAIL_OSC_CHECKSUM_SEND 0x409 #define OBD_FAIL_PTLRPC 0x500 #define OBD_FAIL_PTLRPC_ACK 0x501 #define OBD_FAIL_PTLRPC_RQBD 0x502 #define OBD_FAIL_PTLRPC_BULK_GET_NET 0x503 #define OBD_FAIL_PTLRPC_BULK_PUT_NET 0x504 #define OBD_FAIL_PTLRPC_DROP_RPC 0x505 #define OBD_FAIL_PTLRPC_DELAY_SEND 0x506 #define OBD_FAIL_OBD_PING_NET 0x600 #define OBD_FAIL_OBD_LOG_CANCEL_NET 0x601 #define OBD_FAIL_OBD_LOGD_NET 0x602 #define OBD_FAIL_OBD_QC_CALLBACK_NET 0x603 #define OBD_FAIL_OBD_DQACQ 0x604 #define OBD_FAIL_TGT_REPLY_NET 0x700 #define OBD_FAIL_TGT_CONN_RACE 0x701 #define OBD_FAIL_TGT_FORCE_RECONNECT 0x702 #define OBD_FAIL_TGT_DELAY_CONNECT 0x703 #define OBD_FAIL_TGT_DELAY_RECONNECT 0x704 #define OBD_FAIL_TGT_DELAY_PRECREATE 0x705 #define OBD_FAIL_MDC_REVALIDATE_PAUSE 0x800 #define OBD_FAIL_MGS 0x900 #define OBD_FAIL_MGS_ALL_REQUEST_NET 0x901 #define OBD_FAIL_MGS_ALL_REPLY_NET 0x902 #define OBD_FAIL_MGC_PROCESS_LOG 0x903 #define OBD_FAIL_MGS_SLOW_REQUEST_NET 0x904 #define OBD_FAIL_MGS_SLOW_TARGET_REG 0x905 #define OBD_FAIL_QUOTA_QD_COUNT_32BIT 0xA00 #define OBD_FAIL_LPROC_REMOVE 0xB00 /* preparation for a more advanced failure testbed (not functional yet) */ #define OBD_FAIL_MASK_SYS 0x0000FF00 #define OBD_FAIL_MASK_LOC (0x000000FF | OBD_FAIL_MASK_SYS) #define OBD_FAIL_ONCE 0x80000000 #define OBD_FAILED 0x40000000 #define OBD_FAIL_CHECK(id) (((obd_fail_loc & OBD_FAIL_MASK_LOC) == \ ((id) & OBD_FAIL_MASK_LOC)) && \ ((obd_fail_loc & (OBD_FAILED | OBD_FAIL_ONCE))!= \ (OBD_FAILED | OBD_FAIL_ONCE))) #define OBD_FAIL_CHECK_ONCE(id) \ ({ int _ret_ = 0; \ if (OBD_FAIL_CHECK(id)) { \ CERROR("*** obd_fail_loc=%x ***\n", id); \ obd_fail_loc |= OBD_FAILED; \ if ((id) & OBD_FAIL_ONCE) \ obd_fail_loc |= OBD_FAIL_ONCE; \ _ret_ = 1; \ } \ _ret_; \ }) #define OBD_FAIL_RETURN(id, ret) \ do { \ if (OBD_FAIL_CHECK_ONCE(id)) { \ RETURN(ret); \ } \ } while(0) #define OBD_FAIL_TIMEOUT(id, secs) \ do { \ if (OBD_FAIL_CHECK_ONCE(id)) { \ CERROR("obd_fail_timeout id %x sleeping for %d secs\n", \ (id), (secs)); \ set_current_state(TASK_UNINTERRUPTIBLE); \ cfs_schedule_timeout(CFS_TASK_UNINT, \ cfs_time_seconds(secs)); \ set_current_state(TASK_RUNNING); \ CERROR("obd_fail_timeout id %x awake\n", (id)); \ } \ } while(0) #ifdef __KERNEL__ /* The idea here is to synchronise two threads to force a race. The * first thread that calls this with a matching fail_loc is put to * sleep. The next thread that calls with the same fail_loc wakes up * the first and continues. */ #define OBD_RACE(id) \ do { \ if (OBD_FAIL_CHECK_ONCE(id)) { \ obd_race_state = 0; \ CERROR("obd_race id %x sleeping\n", (id)); \ OBD_SLEEP_ON(obd_race_waitq, obd_race_state != 0); \ CERROR("obd_fail_race id %x awake\n", (id)); \ } else if ((obd_fail_loc & OBD_FAIL_MASK_LOC) == \ ((id) & OBD_FAIL_MASK_LOC)) { \ CERROR("obd_fail_race id %x waking\n", (id)); \ obd_race_state = 1; \ wake_up(&obd_race_waitq); \ } \ } while(0) #else /* sigh. an expedient fix until OBD_RACE is fixed up */ #define OBD_RACE(foo) do {} while(0) #endif #define fixme() CDEBUG(D_OTHER, "FIXME\n"); extern atomic_t libcfs_kmemory; #if defined(LUSTRE_UTILS) /* this version is for utils only */ #define OBD_ALLOC_GFP(ptr, size, gfp_mask) \ do { \ (ptr) = cfs_alloc(size, (gfp_mask)); \ if ((ptr) == NULL) { \ CERROR("kmalloc of '" #ptr "' (%d bytes) failed at %s:%d\n", \ (int)(size), __FILE__, __LINE__); \ } else { \ memset(ptr, 0, size); \ CDEBUG(D_MALLOC, "kmalloced '" #ptr "': %d at %p\n", \ (int)(size), ptr); \ } \ } while (0) #else /* this version is for the kernel and liblustre */ #define OBD_ALLOC_GFP(ptr, size, gfp_mask) \ do { \ (ptr) = cfs_alloc(size, (gfp_mask)); \ if ((ptr) == NULL) { \ CERROR("kmalloc of '" #ptr "' (%d bytes) failed at %s:%d\n", \ (int)(size), __FILE__, __LINE__); \ CERROR("%d total bytes allocated by Lustre, %d by Portals\n", \ atomic_read(&obd_memory), atomic_read(&libcfs_kmemory));\ } else { \ memset(ptr, 0, size); \ atomic_add(size, &obd_memory); \ if (atomic_read(&obd_memory) > obd_memmax) \ obd_memmax = atomic_read(&obd_memory); \ CDEBUG(D_MALLOC, "kmalloced '" #ptr "': %d at %p (tot %d)\n", \ (int)(size), ptr, atomic_read(&obd_memory)); \ } \ } while (0) #endif #ifndef OBD_ALLOC_MASK # define OBD_ALLOC_MASK CFS_ALLOC_IO #endif #define OBD_ALLOC(ptr, size) OBD_ALLOC_GFP(ptr, size, OBD_ALLOC_MASK) #define OBD_ALLOC_WAIT(ptr, size) OBD_ALLOC_GFP(ptr, size, CFS_ALLOC_STD) #define OBD_ALLOC_PTR(ptr) OBD_ALLOC(ptr, sizeof *(ptr)) #define OBD_ALLOC_PTR_WAIT(ptr) OBD_ALLOC_WAIT(ptr, sizeof *(ptr)) #ifdef __arch_um__ # define OBD_VMALLOC(ptr, size) OBD_ALLOC(ptr, size) #else # define OBD_VMALLOC(ptr, size) \ do { \ (ptr) = cfs_alloc_large(size); \ if ((ptr) == NULL) { \ CERROR("vmalloc of '" #ptr "' (%d bytes) failed at %s:%d\n", \ (int)(size), __FILE__, __LINE__); \ CERROR("%d total bytes allocated by Lustre, %d by Portals\n", \ atomic_read(&obd_memory), atomic_read(&libcfs_kmemory));\ } else { \ memset(ptr, 0, size); \ atomic_add(size, &obd_memory); \ if (atomic_read(&obd_memory) > obd_memmax) \ obd_memmax = atomic_read(&obd_memory); \ CDEBUG(D_MALLOC, "vmalloced '" #ptr "': %d at %p (tot %d)\n", \ (int)(size), ptr, atomic_read(&obd_memory)); \ } \ } while (0) #endif #ifdef CONFIG_DEBUG_SLAB #define POISON(ptr, c, s) do {} while (0) #else #define POISON(ptr, c, s) memset(ptr, c, s) #endif #ifdef POISON_BULK #define POISON_PAGE(page, val) do { memset(kmap(page), val, CFS_PAGE_SIZE); \ kunmap(page); } while (0) #else #define POISON_PAGE(page, val) do { } while (0) #endif #ifdef __KERNEL__ #define OBD_FREE(ptr, size) \ do { \ LASSERT(ptr); \ atomic_sub(size, &obd_memory); \ CDEBUG(D_MALLOC, "kfreed '" #ptr "': %d at %p (tot %d).\n", \ (int)(size), ptr, atomic_read(&obd_memory)); \ POISON(ptr, 0x5a, size); \ cfs_free(ptr); \ (ptr) = (void *)0xdeadbeef; \ } while (0) #else #define OBD_FREE(ptr, size) ((void)(size), free((ptr))) #endif #ifdef __arch_um__ # define OBD_VFREE(ptr, size) OBD_FREE(ptr, size) #else # define OBD_VFREE(ptr, size) \ do { \ LASSERT(ptr); \ atomic_sub(size, &obd_memory); \ CDEBUG(D_MALLOC, "vfreed '" #ptr "': %d at %p (tot %d).\n", \ (int)(size), ptr, atomic_read(&obd_memory)); \ POISON(ptr, 0x5a, size); \ cfs_free_large(ptr); \ (ptr) = (void *)0xdeadbeef; \ } while (0) #endif /* we memset() the slab object to 0 when allocation succeeds, so DO NOT * HAVE A CTOR THAT DOES ANYTHING. its work will be cleared here. we'd * love to assert on that, but slab.c keeps kmem_cache_s all to itself. */ #define OBD_SLAB_ALLOC(ptr, slab, type, size) \ do { \ LASSERT(!in_interrupt()); \ (ptr) = cfs_mem_cache_alloc(slab, (type)); \ if ((ptr) == NULL) { \ CERROR("slab-alloc of '"#ptr"' (%d bytes) failed at %s:%d\n", \ (int)(size), __FILE__, __LINE__); \ CERROR("%d total bytes allocated by Lustre, %d by Portals\n", \ atomic_read(&obd_memory), atomic_read(&libcfs_kmemory));\ } else { \ memset(ptr, 0, size); \ atomic_add(size, &obd_memory); \ if (atomic_read(&obd_memory) > obd_memmax) \ obd_memmax = atomic_read(&obd_memory); \ CDEBUG(D_MALLOC, "slab-alloced '"#ptr"': %d at %p (tot %d)\n",\ (int)(size), ptr, atomic_read(&obd_memory)); \ } \ } while (0) #define OBD_FREE_PTR(ptr) OBD_FREE(ptr, sizeof *(ptr)) #define OBD_SLAB_FREE(ptr, slab, size) \ do { \ LASSERT(ptr); \ CDEBUG(D_MALLOC, "slab-freed '" #ptr "': %d at %p (tot %d).\n", \ (int)(size), ptr, atomic_read(&obd_memory)); \ atomic_sub(size, &obd_memory); \ POISON(ptr, 0x5a, size); \ cfs_mem_cache_free(slab, ptr); \ (ptr) = (void *)0xdeadbeef; \ } while (0) #define KEY_IS(str) (keylen >= strlen(key) && strcmp(key, str) == 0) #if defined(__linux__) #include #elif defined(__APPLE__) #include #elif defined(__WINNT__) #include #else #error Unsupported operating system. #endif #endif