| /* |
| * GPL HEADER START |
| * |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 only, |
| * as published by the Free Software Foundation. |
| * |
| * This program 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 version 2 for more details (a copy is included |
| * in the LICENSE file that accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License |
| * version 2 along with this program; If not, see |
| * http://www.gnu.org/licenses/gpl-2.0.html |
| * |
| * GPL HEADER END |
| */ |
| /* |
| * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved. |
| * Use is subject to license terms. |
| * |
| * Copyright (c) 2011, 2015, Intel Corporation. |
| */ |
| /* |
| * This file is part of Lustre, http://www.lustre.org/ |
| * Lustre is a trademark of Sun Microsystems, Inc. |
| * |
| * lustre/include/lustre_req_layout.h |
| * |
| * Lustre Metadata Target (mdt) request handler |
| * |
| * Author: Nikita Danilov <nikita@clusterfs.com> |
| */ |
| |
| #ifndef _LUSTRE_REQ_LAYOUT_H__ |
| #define _LUSTRE_REQ_LAYOUT_H__ |
| |
| /** \defgroup req_layout req_layout |
| * |
| * @{ |
| */ |
| |
| struct req_msg_field; |
| struct req_format; |
| struct req_capsule; |
| |
| struct ptlrpc_request; |
| |
| enum req_location { |
| RCL_CLIENT, |
| RCL_SERVER, |
| RCL_NR |
| }; |
| |
| /* Maximal number of fields (buffers) in a request message. */ |
| #define REQ_MAX_FIELD_NR 9 |
| |
| struct req_capsule { |
| struct ptlrpc_request *rc_req; |
| const struct req_format *rc_fmt; |
| enum req_location rc_loc; |
| __u32 rc_area[RCL_NR][REQ_MAX_FIELD_NR]; |
| }; |
| |
| #if !defined(__REQ_LAYOUT_USER__) |
| |
| /* struct ptlrpc_request, lustre_msg* */ |
| #include "lustre_net.h" |
| |
| void req_capsule_init(struct req_capsule *pill, struct ptlrpc_request *req, |
| enum req_location location); |
| void req_capsule_fini(struct req_capsule *pill); |
| |
| void req_capsule_set(struct req_capsule *pill, const struct req_format *fmt); |
| int req_capsule_filled_sizes(struct req_capsule *pill, enum req_location loc); |
| int req_capsule_server_pack(struct req_capsule *pill); |
| |
| void *req_capsule_client_get(struct req_capsule *pill, |
| const struct req_msg_field *field); |
| void *req_capsule_client_swab_get(struct req_capsule *pill, |
| const struct req_msg_field *field, |
| void *swabber); |
| void *req_capsule_client_sized_get(struct req_capsule *pill, |
| const struct req_msg_field *field, |
| int len); |
| void *req_capsule_server_get(struct req_capsule *pill, |
| const struct req_msg_field *field); |
| void *req_capsule_server_sized_get(struct req_capsule *pill, |
| const struct req_msg_field *field, |
| int len); |
| void *req_capsule_server_swab_get(struct req_capsule *pill, |
| const struct req_msg_field *field, |
| void *swabber); |
| void *req_capsule_server_sized_swab_get(struct req_capsule *pill, |
| const struct req_msg_field *field, |
| int len, void *swabber); |
| |
| void req_capsule_set_size(struct req_capsule *pill, |
| const struct req_msg_field *field, |
| enum req_location loc, int size); |
| int req_capsule_get_size(const struct req_capsule *pill, |
| const struct req_msg_field *field, |
| enum req_location loc); |
| int req_capsule_msg_size(struct req_capsule *pill, enum req_location loc); |
| int req_capsule_fmt_size(__u32 magic, const struct req_format *fmt, |
| enum req_location loc); |
| void req_capsule_extend(struct req_capsule *pill, const struct req_format *fmt); |
| |
| int req_capsule_has_field(const struct req_capsule *pill, |
| const struct req_msg_field *field, |
| enum req_location loc); |
| void req_capsule_shrink(struct req_capsule *pill, |
| const struct req_msg_field *field, |
| unsigned int newlen, |
| enum req_location loc); |
| int req_layout_init(void); |
| void req_layout_fini(void); |
| |
| /* __REQ_LAYOUT_USER__ */ |
| #endif |
| |
| extern struct req_format RQF_OBD_PING; |
| extern struct req_format RQF_OBD_SET_INFO; |
| extern struct req_format RQF_SEC_CTX; |
| /* MGS req_format */ |
| extern struct req_format RQF_MGS_TARGET_REG; |
| extern struct req_format RQF_MGS_SET_INFO; |
| extern struct req_format RQF_MGS_CONFIG_READ; |
| /* fid/fld req_format */ |
| extern struct req_format RQF_SEQ_QUERY; |
| extern struct req_format RQF_FLD_QUERY; |
| extern struct req_format RQF_FLD_READ; |
| /* MDS req_format */ |
| extern struct req_format RQF_MDS_CONNECT; |
| extern struct req_format RQF_MDS_DISCONNECT; |
| extern struct req_format RQF_MDS_STATFS; |
| extern struct req_format RQF_MDS_GETSTATUS; |
| extern struct req_format RQF_MDS_SYNC; |
| extern struct req_format RQF_MDS_GETXATTR; |
| extern struct req_format RQF_MDS_GETATTR; |
| |
| /* |
| * This is format of direct (non-intent) MDS_GETATTR_NAME request. |
| */ |
| extern struct req_format RQF_MDS_GETATTR_NAME; |
| extern struct req_format RQF_MDS_CLOSE; |
| extern struct req_format RQF_MDS_RELEASE_CLOSE; |
| extern struct req_format RQF_MDS_PIN; |
| extern struct req_format RQF_MDS_UNPIN; |
| extern struct req_format RQF_MDS_CONNECT; |
| extern struct req_format RQF_MDS_DISCONNECT; |
| extern struct req_format RQF_MDS_GET_INFO; |
| extern struct req_format RQF_MDS_READPAGE; |
| extern struct req_format RQF_MDS_WRITEPAGE; |
| extern struct req_format RQF_MDS_IS_SUBDIR; |
| extern struct req_format RQF_MDS_DONE_WRITING; |
| extern struct req_format RQF_MDS_REINT; |
| extern struct req_format RQF_MDS_REINT_CREATE; |
| extern struct req_format RQF_MDS_REINT_CREATE_ACL; |
| extern struct req_format RQF_MDS_REINT_CREATE_SLAVE; |
| extern struct req_format RQF_MDS_REINT_CREATE_SYM; |
| extern struct req_format RQF_MDS_REINT_OPEN; |
| extern struct req_format RQF_MDS_REINT_UNLINK; |
| extern struct req_format RQF_MDS_REINT_LINK; |
| extern struct req_format RQF_MDS_REINT_RENAME; |
| extern struct req_format RQF_MDS_REINT_SETATTR; |
| extern struct req_format RQF_MDS_REINT_SETXATTR; |
| extern struct req_format RQF_MDS_QUOTACHECK; |
| extern struct req_format RQF_MDS_QUOTACTL; |
| extern struct req_format RQF_QC_CALLBACK; |
| extern struct req_format RQF_MDS_SWAP_LAYOUTS; |
| /* MDS hsm formats */ |
| extern struct req_format RQF_MDS_HSM_STATE_GET; |
| extern struct req_format RQF_MDS_HSM_STATE_SET; |
| extern struct req_format RQF_MDS_HSM_ACTION; |
| extern struct req_format RQF_MDS_HSM_PROGRESS; |
| extern struct req_format RQF_MDS_HSM_CT_REGISTER; |
| extern struct req_format RQF_MDS_HSM_CT_UNREGISTER; |
| extern struct req_format RQF_MDS_HSM_REQUEST; |
| /* OST req_format */ |
| extern struct req_format RQF_OST_CONNECT; |
| extern struct req_format RQF_OST_DISCONNECT; |
| extern struct req_format RQF_OST_QUOTACHECK; |
| extern struct req_format RQF_OST_QUOTACTL; |
| extern struct req_format RQF_OST_GETATTR; |
| extern struct req_format RQF_OST_SETATTR; |
| extern struct req_format RQF_OST_CREATE; |
| extern struct req_format RQF_OST_PUNCH; |
| extern struct req_format RQF_OST_SYNC; |
| extern struct req_format RQF_OST_DESTROY; |
| extern struct req_format RQF_OST_BRW_READ; |
| extern struct req_format RQF_OST_BRW_WRITE; |
| extern struct req_format RQF_OST_STATFS; |
| extern struct req_format RQF_OST_SET_GRANT_INFO; |
| extern struct req_format RQF_OST_GET_INFO; |
| extern struct req_format RQF_OST_GET_INFO_LAST_ID; |
| extern struct req_format RQF_OST_GET_INFO_LAST_FID; |
| extern struct req_format RQF_OST_SET_INFO_LAST_FID; |
| extern struct req_format RQF_OST_GET_INFO_FIEMAP; |
| |
| /* LDLM req_format */ |
| extern struct req_format RQF_LDLM_ENQUEUE; |
| extern struct req_format RQF_LDLM_ENQUEUE_LVB; |
| extern struct req_format RQF_LDLM_CONVERT; |
| extern struct req_format RQF_LDLM_INTENT; |
| extern struct req_format RQF_LDLM_INTENT_BASIC; |
| extern struct req_format RQF_LDLM_INTENT_LAYOUT; |
| extern struct req_format RQF_LDLM_INTENT_GETATTR; |
| extern struct req_format RQF_LDLM_INTENT_OPEN; |
| extern struct req_format RQF_LDLM_INTENT_CREATE; |
| extern struct req_format RQF_LDLM_INTENT_UNLINK; |
| extern struct req_format RQF_LDLM_INTENT_GETXATTR; |
| extern struct req_format RQF_LDLM_CANCEL; |
| extern struct req_format RQF_LDLM_CALLBACK; |
| extern struct req_format RQF_LDLM_CP_CALLBACK; |
| extern struct req_format RQF_LDLM_BL_CALLBACK; |
| extern struct req_format RQF_LDLM_GL_CALLBACK; |
| extern struct req_format RQF_LDLM_GL_DESC_CALLBACK; |
| /* LOG req_format */ |
| extern struct req_format RQF_LOG_CANCEL; |
| extern struct req_format RQF_LLOG_ORIGIN_HANDLE_CREATE; |
| extern struct req_format RQF_LLOG_ORIGIN_HANDLE_DESTROY; |
| extern struct req_format RQF_LLOG_ORIGIN_HANDLE_NEXT_BLOCK; |
| extern struct req_format RQF_LLOG_ORIGIN_HANDLE_PREV_BLOCK; |
| extern struct req_format RQF_LLOG_ORIGIN_HANDLE_READ_HEADER; |
| extern struct req_format RQF_LLOG_ORIGIN_CONNECT; |
| |
| extern struct req_format RQF_CONNECT; |
| |
| extern struct req_msg_field RMF_GENERIC_DATA; |
| extern struct req_msg_field RMF_PTLRPC_BODY; |
| extern struct req_msg_field RMF_MDT_BODY; |
| extern struct req_msg_field RMF_MDT_EPOCH; |
| extern struct req_msg_field RMF_OBD_STATFS; |
| extern struct req_msg_field RMF_NAME; |
| extern struct req_msg_field RMF_SYMTGT; |
| extern struct req_msg_field RMF_TGTUUID; |
| extern struct req_msg_field RMF_CLUUID; |
| extern struct req_msg_field RMF_SETINFO_VAL; |
| extern struct req_msg_field RMF_SETINFO_KEY; |
| extern struct req_msg_field RMF_GETINFO_VAL; |
| extern struct req_msg_field RMF_GETINFO_VALLEN; |
| extern struct req_msg_field RMF_GETINFO_KEY; |
| extern struct req_msg_field RMF_CLOSE_DATA; |
| |
| /* |
| * connection handle received in MDS_CONNECT request. |
| */ |
| extern struct req_msg_field RMF_CONN; |
| extern struct req_msg_field RMF_CONNECT_DATA; |
| extern struct req_msg_field RMF_DLM_REQ; |
| extern struct req_msg_field RMF_DLM_REP; |
| extern struct req_msg_field RMF_DLM_LVB; |
| extern struct req_msg_field RMF_DLM_GL_DESC; |
| extern struct req_msg_field RMF_LDLM_INTENT; |
| extern struct req_msg_field RMF_LAYOUT_INTENT; |
| extern struct req_msg_field RMF_MDT_MD; |
| extern struct req_msg_field RMF_REC_REINT; |
| extern struct req_msg_field RMF_EADATA; |
| extern struct req_msg_field RMF_EAVALS; |
| extern struct req_msg_field RMF_EAVALS_LENS; |
| extern struct req_msg_field RMF_ACL; |
| extern struct req_msg_field RMF_LOGCOOKIES; |
| extern struct req_msg_field RMF_CAPA1; |
| extern struct req_msg_field RMF_CAPA2; |
| extern struct req_msg_field RMF_OBD_QUOTACHECK; |
| extern struct req_msg_field RMF_OBD_QUOTACTL; |
| extern struct req_msg_field RMF_STRING; |
| extern struct req_msg_field RMF_SWAP_LAYOUTS; |
| extern struct req_msg_field RMF_MDS_HSM_PROGRESS; |
| extern struct req_msg_field RMF_MDS_HSM_REQUEST; |
| extern struct req_msg_field RMF_MDS_HSM_USER_ITEM; |
| extern struct req_msg_field RMF_MDS_HSM_ARCHIVE; |
| extern struct req_msg_field RMF_HSM_USER_STATE; |
| extern struct req_msg_field RMF_HSM_STATE_SET; |
| extern struct req_msg_field RMF_MDS_HSM_CURRENT_ACTION; |
| extern struct req_msg_field RMF_MDS_HSM_REQUEST; |
| |
| /* seq-mgr fields */ |
| extern struct req_msg_field RMF_SEQ_OPC; |
| extern struct req_msg_field RMF_SEQ_RANGE; |
| extern struct req_msg_field RMF_FID_SPACE; |
| |
| /* FLD fields */ |
| extern struct req_msg_field RMF_FLD_OPC; |
| extern struct req_msg_field RMF_FLD_MDFLD; |
| |
| extern struct req_msg_field RMF_LLOGD_BODY; |
| extern struct req_msg_field RMF_LLOG_LOG_HDR; |
| extern struct req_msg_field RMF_LLOGD_CONN_BODY; |
| |
| extern struct req_msg_field RMF_MGS_TARGET_INFO; |
| extern struct req_msg_field RMF_MGS_SEND_PARAM; |
| |
| extern struct req_msg_field RMF_OST_BODY; |
| extern struct req_msg_field RMF_OBD_IOOBJ; |
| extern struct req_msg_field RMF_OBD_ID; |
| extern struct req_msg_field RMF_FID; |
| extern struct req_msg_field RMF_NIOBUF_REMOTE; |
| extern struct req_msg_field RMF_RCS; |
| extern struct req_msg_field RMF_FIEMAP_KEY; |
| extern struct req_msg_field RMF_FIEMAP_VAL; |
| extern struct req_msg_field RMF_OST_ID; |
| |
| /* MGS config read message format */ |
| extern struct req_msg_field RMF_MGS_CONFIG_BODY; |
| extern struct req_msg_field RMF_MGS_CONFIG_RES; |
| |
| /* generic uint32 */ |
| extern struct req_msg_field RMF_U32; |
| |
| /** @} req_layout */ |
| |
| #endif /* _LUSTRE_REQ_LAYOUT_H__ */ |