diff options
Diffstat (limited to 'ANDROID_3.4.5/include/linux/drbd.h')
| -rw-r--r-- | ANDROID_3.4.5/include/linux/drbd.h | 369 |
1 files changed, 0 insertions, 369 deletions
diff --git a/ANDROID_3.4.5/include/linux/drbd.h b/ANDROID_3.4.5/include/linux/drbd.h deleted file mode 100644 index 9e5f5607..00000000 --- a/ANDROID_3.4.5/include/linux/drbd.h +++ /dev/null @@ -1,369 +0,0 @@ -/* - drbd.h - Kernel module for 2.6.x Kernels - - This file is part of DRBD by Philipp Reisner and Lars Ellenberg. - - Copyright (C) 2001-2008, LINBIT Information Technologies GmbH. - Copyright (C) 2001-2008, Philipp Reisner <philipp.reisner@linbit.com>. - Copyright (C) 2001-2008, Lars Ellenberg <lars.ellenberg@linbit.com>. - - drbd is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - drbd 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 drbd; see the file COPYING. If not, write to - the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. - -*/ -#ifndef DRBD_H -#define DRBD_H -#include <linux/connector.h> -#include <asm/types.h> - -#ifdef __KERNEL__ -#include <linux/types.h> -#include <asm/byteorder.h> -#else -#include <sys/types.h> -#include <sys/wait.h> -#include <limits.h> - -/* Although the Linux source code makes a difference between - generic endianness and the bitfields' endianness, there is no - architecture as of Linux-2.6.24-rc4 where the bitfields' endianness - does not match the generic endianness. */ - -#if __BYTE_ORDER == __LITTLE_ENDIAN -#define __LITTLE_ENDIAN_BITFIELD -#elif __BYTE_ORDER == __BIG_ENDIAN -#define __BIG_ENDIAN_BITFIELD -#else -# error "sorry, weird endianness on this box" -#endif - -#endif - - -extern const char *drbd_buildtag(void); -#define REL_VERSION "8.3.11" -#define API_VERSION 88 -#define PRO_VERSION_MIN 86 -#define PRO_VERSION_MAX 96 - - -enum drbd_io_error_p { - EP_PASS_ON, /* FIXME should the better be named "Ignore"? */ - EP_CALL_HELPER, - EP_DETACH -}; - -enum drbd_fencing_p { - FP_DONT_CARE, - FP_RESOURCE, - FP_STONITH -}; - -enum drbd_disconnect_p { - DP_RECONNECT, - DP_DROP_NET_CONF, - DP_FREEZE_IO -}; - -enum drbd_after_sb_p { - ASB_DISCONNECT, - ASB_DISCARD_YOUNGER_PRI, - ASB_DISCARD_OLDER_PRI, - ASB_DISCARD_ZERO_CHG, - ASB_DISCARD_LEAST_CHG, - ASB_DISCARD_LOCAL, - ASB_DISCARD_REMOTE, - ASB_CONSENSUS, - ASB_DISCARD_SECONDARY, - ASB_CALL_HELPER, - ASB_VIOLENTLY -}; - -enum drbd_on_no_data { - OND_IO_ERROR, - OND_SUSPEND_IO -}; - -enum drbd_on_congestion { - OC_BLOCK, - OC_PULL_AHEAD, - OC_DISCONNECT, -}; - -/* KEEP the order, do not delete or insert. Only append. */ -enum drbd_ret_code { - ERR_CODE_BASE = 100, - NO_ERROR = 101, - ERR_LOCAL_ADDR = 102, - ERR_PEER_ADDR = 103, - ERR_OPEN_DISK = 104, - ERR_OPEN_MD_DISK = 105, - ERR_DISK_NOT_BDEV = 107, - ERR_MD_NOT_BDEV = 108, - ERR_DISK_TO_SMALL = 111, - ERR_MD_DISK_TO_SMALL = 112, - ERR_BDCLAIM_DISK = 114, - ERR_BDCLAIM_MD_DISK = 115, - ERR_MD_IDX_INVALID = 116, - ERR_IO_MD_DISK = 118, - ERR_MD_INVALID = 119, - ERR_AUTH_ALG = 120, - ERR_AUTH_ALG_ND = 121, - ERR_NOMEM = 122, - ERR_DISCARD = 123, - ERR_DISK_CONFIGURED = 124, - ERR_NET_CONFIGURED = 125, - ERR_MANDATORY_TAG = 126, - ERR_MINOR_INVALID = 127, - ERR_INTR = 129, /* EINTR */ - ERR_RESIZE_RESYNC = 130, - ERR_NO_PRIMARY = 131, - ERR_SYNC_AFTER = 132, - ERR_SYNC_AFTER_CYCLE = 133, - ERR_PAUSE_IS_SET = 134, - ERR_PAUSE_IS_CLEAR = 135, - ERR_PACKET_NR = 137, - ERR_NO_DISK = 138, - ERR_NOT_PROTO_C = 139, - ERR_NOMEM_BITMAP = 140, - ERR_INTEGRITY_ALG = 141, /* DRBD 8.2 only */ - ERR_INTEGRITY_ALG_ND = 142, /* DRBD 8.2 only */ - ERR_CPU_MASK_PARSE = 143, /* DRBD 8.2 only */ - ERR_CSUMS_ALG = 144, /* DRBD 8.2 only */ - ERR_CSUMS_ALG_ND = 145, /* DRBD 8.2 only */ - ERR_VERIFY_ALG = 146, /* DRBD 8.2 only */ - ERR_VERIFY_ALG_ND = 147, /* DRBD 8.2 only */ - ERR_CSUMS_RESYNC_RUNNING= 148, /* DRBD 8.2 only */ - ERR_VERIFY_RUNNING = 149, /* DRBD 8.2 only */ - ERR_DATA_NOT_CURRENT = 150, - ERR_CONNECTED = 151, /* DRBD 8.3 only */ - ERR_PERM = 152, - ERR_NEED_APV_93 = 153, - ERR_STONITH_AND_PROT_A = 154, - ERR_CONG_NOT_PROTO_A = 155, - ERR_PIC_AFTER_DEP = 156, - ERR_PIC_PEER_DEP = 157, - - /* insert new ones above this line */ - AFTER_LAST_ERR_CODE -}; - -#define DRBD_PROT_A 1 -#define DRBD_PROT_B 2 -#define DRBD_PROT_C 3 - -enum drbd_role { - R_UNKNOWN = 0, - R_PRIMARY = 1, /* role */ - R_SECONDARY = 2, /* role */ - R_MASK = 3, -}; - -/* The order of these constants is important. - * The lower ones (<C_WF_REPORT_PARAMS) indicate - * that there is no socket! - * >=C_WF_REPORT_PARAMS ==> There is a socket - */ -enum drbd_conns { - C_STANDALONE, - C_DISCONNECTING, /* Temporal state on the way to StandAlone. */ - C_UNCONNECTED, /* >= C_UNCONNECTED -> inc_net() succeeds */ - - /* These temporal states are all used on the way - * from >= C_CONNECTED to Unconnected. - * The 'disconnect reason' states - * I do not allow to change between them. */ - C_TIMEOUT, - C_BROKEN_PIPE, - C_NETWORK_FAILURE, - C_PROTOCOL_ERROR, - C_TEAR_DOWN, - - C_WF_CONNECTION, - C_WF_REPORT_PARAMS, /* we have a socket */ - C_CONNECTED, /* we have introduced each other */ - C_STARTING_SYNC_S, /* starting full sync by admin request. */ - C_STARTING_SYNC_T, /* starting full sync by admin request. */ - C_WF_BITMAP_S, - C_WF_BITMAP_T, - C_WF_SYNC_UUID, - - /* All SyncStates are tested with this comparison - * xx >= C_SYNC_SOURCE && xx <= C_PAUSED_SYNC_T */ - C_SYNC_SOURCE, - C_SYNC_TARGET, - C_VERIFY_S, - C_VERIFY_T, - C_PAUSED_SYNC_S, - C_PAUSED_SYNC_T, - - C_AHEAD, - C_BEHIND, - - C_MASK = 31 -}; - -enum drbd_disk_state { - D_DISKLESS, - D_ATTACHING, /* In the process of reading the meta-data */ - D_FAILED, /* Becomes D_DISKLESS as soon as we told it the peer */ - /* when >= D_FAILED it is legal to access mdev->bc */ - D_NEGOTIATING, /* Late attaching state, we need to talk to the peer */ - D_INCONSISTENT, - D_OUTDATED, - D_UNKNOWN, /* Only used for the peer, never for myself */ - D_CONSISTENT, /* Might be D_OUTDATED, might be D_UP_TO_DATE ... */ - D_UP_TO_DATE, /* Only this disk state allows applications' IO ! */ - D_MASK = 15 -}; - -union drbd_state { -/* According to gcc's docs is the ... - * The order of allocation of bit-fields within a unit (C90 6.5.2.1, C99 6.7.2.1). - * Determined by ABI. - * pointed out by Maxim Uvarov q<muvarov@ru.mvista.com> - * even though we transmit as "cpu_to_be32(state)", - * the offsets of the bitfields still need to be swapped - * on different endianness. - */ - struct { -#if defined(__LITTLE_ENDIAN_BITFIELD) - unsigned role:2 ; /* 3/4 primary/secondary/unknown */ - unsigned peer:2 ; /* 3/4 primary/secondary/unknown */ - unsigned conn:5 ; /* 17/32 cstates */ - unsigned disk:4 ; /* 8/16 from D_DISKLESS to D_UP_TO_DATE */ - unsigned pdsk:4 ; /* 8/16 from D_DISKLESS to D_UP_TO_DATE */ - unsigned susp:1 ; /* 2/2 IO suspended no/yes (by user) */ - unsigned aftr_isp:1 ; /* isp .. imposed sync pause */ - unsigned peer_isp:1 ; - unsigned user_isp:1 ; - unsigned susp_nod:1 ; /* IO suspended because no data */ - unsigned susp_fen:1 ; /* IO suspended because fence peer handler runs*/ - unsigned _pad:9; /* 0 unused */ -#elif defined(__BIG_ENDIAN_BITFIELD) - unsigned _pad:9; - unsigned susp_fen:1 ; - unsigned susp_nod:1 ; - unsigned user_isp:1 ; - unsigned peer_isp:1 ; - unsigned aftr_isp:1 ; /* isp .. imposed sync pause */ - unsigned susp:1 ; /* 2/2 IO suspended no/yes */ - unsigned pdsk:4 ; /* 8/16 from D_DISKLESS to D_UP_TO_DATE */ - unsigned disk:4 ; /* 8/16 from D_DISKLESS to D_UP_TO_DATE */ - unsigned conn:5 ; /* 17/32 cstates */ - unsigned peer:2 ; /* 3/4 primary/secondary/unknown */ - unsigned role:2 ; /* 3/4 primary/secondary/unknown */ -#else -# error "this endianness is not supported" -#endif - }; - unsigned int i; -}; - -enum drbd_state_rv { - SS_CW_NO_NEED = 4, - SS_CW_SUCCESS = 3, - SS_NOTHING_TO_DO = 2, - SS_SUCCESS = 1, - SS_UNKNOWN_ERROR = 0, /* Used to sleep longer in _drbd_request_state */ - SS_TWO_PRIMARIES = -1, - SS_NO_UP_TO_DATE_DISK = -2, - SS_NO_LOCAL_DISK = -4, - SS_NO_REMOTE_DISK = -5, - SS_CONNECTED_OUTDATES = -6, - SS_PRIMARY_NOP = -7, - SS_RESYNC_RUNNING = -8, - SS_ALREADY_STANDALONE = -9, - SS_CW_FAILED_BY_PEER = -10, - SS_IS_DISKLESS = -11, - SS_DEVICE_IN_USE = -12, - SS_NO_NET_CONFIG = -13, - SS_NO_VERIFY_ALG = -14, /* drbd-8.2 only */ - SS_NEED_CONNECTION = -15, /* drbd-8.2 only */ - SS_LOWER_THAN_OUTDATED = -16, - SS_NOT_SUPPORTED = -17, /* drbd-8.2 only */ - SS_IN_TRANSIENT_STATE = -18, /* Retry after the next state change */ - SS_CONCURRENT_ST_CHG = -19, /* Concurrent cluster side state change! */ - SS_AFTER_LAST_ERROR = -20, /* Keep this at bottom */ -}; - -/* from drbd_strings.c */ -extern const char *drbd_conn_str(enum drbd_conns); -extern const char *drbd_role_str(enum drbd_role); -extern const char *drbd_disk_str(enum drbd_disk_state); -extern const char *drbd_set_st_err_str(enum drbd_state_rv); - -#define SHARED_SECRET_MAX 64 - -#define MDF_CONSISTENT (1 << 0) -#define MDF_PRIMARY_IND (1 << 1) -#define MDF_CONNECTED_IND (1 << 2) -#define MDF_FULL_SYNC (1 << 3) -#define MDF_WAS_UP_TO_DATE (1 << 4) -#define MDF_PEER_OUT_DATED (1 << 5) -#define MDF_CRASHED_PRIMARY (1 << 6) - -enum drbd_uuid_index { - UI_CURRENT, - UI_BITMAP, - UI_HISTORY_START, - UI_HISTORY_END, - UI_SIZE, /* nl-packet: number of dirty bits */ - UI_FLAGS, /* nl-packet: flags */ - UI_EXTENDED_SIZE /* Everything. */ -}; - -enum drbd_timeout_flag { - UT_DEFAULT = 0, - UT_DEGRADED = 1, - UT_PEER_OUTDATED = 2, -}; - -#define UUID_JUST_CREATED ((__u64)4) - -#define DRBD_MAGIC 0x83740267 -#define BE_DRBD_MAGIC __constant_cpu_to_be32(DRBD_MAGIC) -#define DRBD_MAGIC_BIG 0x835a -#define BE_DRBD_MAGIC_BIG __constant_cpu_to_be16(DRBD_MAGIC_BIG) - -/* these are of type "int" */ -#define DRBD_MD_INDEX_INTERNAL -1 -#define DRBD_MD_INDEX_FLEX_EXT -2 -#define DRBD_MD_INDEX_FLEX_INT -3 - -/* Start of the new netlink/connector stuff */ - -#define DRBD_NL_CREATE_DEVICE 0x01 -#define DRBD_NL_SET_DEFAULTS 0x02 - - -/* For searching a vacant cn_idx value */ -#define CN_IDX_STEP 6977 - -struct drbd_nl_cfg_req { - int packet_type; - unsigned int drbd_minor; - int flags; - unsigned short tag_list[]; -}; - -struct drbd_nl_cfg_reply { - int packet_type; - unsigned int minor; - int ret_code; /* enum ret_code or set_st_err_t */ - unsigned short tag_list[]; /* only used with get_* calls */ -}; - -#endif |