/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License (the "License"). * You may not use this file except in compliance with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright 2009 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ #ifndef _SYS_SCSI_GENERIC_PERSIST_H #define _SYS_SCSI_GENERIC_PERSIST_H #ifdef __cplusplus extern "C" { #endif /* * SCSI Persistence Data * * Format of data returned as a result of PERSISTENCE RESERVER { IN | OUT } */ /* * SPC-3 revision 23, Section 6.11.1, Table 102 * Persistent Reservations * Persistent Reserve In service actions */ #define PR_IN_READ_KEYS 0x0 /* Read all registered reservation keys */ #define PR_IN_READ_RESERVATION 0x1 /* Reads th persistent reservations */ #define PR_IN_REPORT_CAPABILITIES 0x2 /* Returns capability information */ #define PR_IN_READ_FULL_STATUS 0x3 /* Reads complete information about all */ /* registrations and the persistent */ /* reservations, if any */ /* * SPC-3 revision 23, Section 6.11.3.3, Table 106 * Persistent reservation scope codes */ #define PR_LU_SCOPE 0x0 /* Persistent reservation applies to */ /* full logical unit */ /* * SPC-3 revision 23, Section 6.11.3.4, Table 107 * Persistent Reservations * Persistent reservation type codes */ #define PGR_TYPE_WR_EX 0x1 /* Write Exclusive */ #define PGR_TYPE_EX_AC 0x3 /* Exclusive Access */ #define PGR_TYPE_WR_EX_RO 0x5 /* Write Exclusive, Registrants Only */ #define PGR_TYPE_EX_AC_RO 0x6 /* Exclusive Access, Registrants Only */ #define PGR_TYPE_WR_EX_AR 0x7 /* Write Exclusive, All Registrants */ #define PGR_TYPE_EX_AC_AR 0x8 /* Exclusive Access, All Registrants */ /* * Information obtained from: * SPC-3, Revision 23 * Section 6.11.5 PERSISTENCE RESERVE IN * Table 111 - full status descriptor format */ /* Table 289 - iSCSI Initiator Device TransportID format */ #define iSCSI_PROTOCOL_ID 0x5 /* Table 262 - iSCSI Protocol ID */ #define WW_UID_DEVICE_NAME 0x0 /* Table 288 - iSCSI Transport IDs */ #if defined(_BIT_FIELDS_LTOH) /* * Information obtained from: * SPC-3, Revision 23 * Section 6.11.1 PERSISTENCE RESERVE IN * Table 101 - PERSISTENCE RESERVE IN command */ typedef struct scsi_cdb_prin { uint8_t cmd; uint8_t action : 5, resbits : 3; uint8_t resbytes[5]; uint8_t alloc_len[2]; uint8_t control; } scsi_cdb_prin_t; /* * Information obtained from: * SPC-3, Revision 23 * Section 6.11.2 PERSISTENCE RESERVE IN * Table 103/104/105 - parameter data for READS KEYS */ typedef struct scsi_prin_rsrvdesc { uint8_t reservation_key[8]; uint8_t obsolete1[4]; uint8_t resbytes; uint8_t type : 4, scope : 4; uint8_t obsolete2[2]; } scsi_prin_rsrvdesc_t; typedef struct scsi_prin_readrsrv { uint8_t PRgeneration[4]; uint8_t add_len[4]; union { uint64_t service_key[1]; scsi_prin_rsrvdesc_t res_key_list[1]; } key_list; } scsi_prin_readrsrv_t; /* * Information obtained from: * SPC-3, Revision 23 * Section 6.11.4 PERSISTENCE RESERVE IN * Table 108 - parameter data for REPORT CAPABILTIES */ typedef struct scsi_per_res_type { uint8_t resbits1 : 1, wr_ex : 1, resbits2 : 1, ex_ac : 1, resbits3 : 1, wr_ex_ro : 1, ex_ac_ro : 1, wr_ex_ar : 1; uint8_t ex_ac_ar : 1, resbits4 : 7; } scsi_per_res_type_t; typedef struct scsi_prin_rpt_cap { uint8_t length[2]; uint8_t ptpl_c : 1, resbits1 : 1, atp_c : 1, sip_c : 1, crh : 1, resbits2 : 3; uint8_t ptpl_a : 1, resbits3 : 6, tmv : 1; scsi_per_res_type_t pr_type; uint8_t resbytes[2]; } scsi_prin_rpt_cap_t; /* * Refer SPC-3, Revision 23 * Section 7.5.4 TransportID identifiers */ typedef struct scsi_transport_id { uint8_t protocol_id : 4, resbits : 2, format_code : 2; uint8_t protocol_data[1]; } scsi_transport_id_t; typedef struct scsi_fc_transport_id { uint8_t protocol_id : 4, resbits : 2, format_code : 2; uint8_t rsvbytes1[7]; uint8_t port_name[8]; uint8_t rsvbytes2[8]; } scsi_fc_transport_id_t; typedef struct iscsi_transport_id { uint8_t protocol_id : 4, resbits : 2, format_code : 2; uint8_t rsvbyte1; uint8_t add_len[2]; char iscsi_name[1]; } iscsi_transport_id_t; /* * Information obtained from: * SPC-3, Revision 23 * Section 6.11.5 PERSISTENCE RESERVE IN * Table 110/111 - parameter data for READ FULL STATUS * Table 281 - TransportId format */ typedef struct scsi_prin_status_t { uint8_t reservation_key[8]; uint8_t resbytes1[4]; uint8_t r_holder : 1, all_tg_pt : 1, resbits : 6; uint8_t type : 4, scope : 4; uint8_t resbytes2[4]; uint8_t rel_tgt_port_id[2]; uint8_t add_len[4]; scsi_transport_id_t trans_id; } scsi_prin_status_t; typedef struct scsi_prin_full_status { uint8_t PRgeneration[4]; uint8_t add_len[4]; scsi_prin_status_t full_desc[1]; } scsi_prin_full_status_t; /* * Information obtained from: * SPC-3, Revision 23 * Section 6.12.1 PERSISTENCE RESERVE OUT * Table 112 - PERSISTENCE RESERVE OUT command */ typedef struct scsi_cdb_prout { uint8_t cmd; uint8_t action : 5, resbits : 3; uint8_t type : 4, scope : 4; uint8_t resbytes[2]; uint8_t param_len[4]; uint8_t control; } scsi_cdb_prout_t; /* * Information obtained from: * SPC-3, Revision 23 * Section 6.12.3 PERSISTENCE RESERVE OUT * Table 114 - PERSISTENCE RESERVE OUT parameter list */ typedef struct scsi_prout_plist { uint8_t reservation_key[8]; uint8_t service_key[8]; uint8_t obsolete1[4]; uint8_t aptpl : 1, resbits1 : 1, all_tg_pt : 1, spec_i_pt : 1, resbits2 : 4; uint8_t resbytes1; uint8_t obsolete2[2]; uint8_t apd[1]; } scsi_prout_plist_t; /* * Information obtained from: * SPC-3, Revision 23 * Section 6.12.4 PERSISTENCE RESERVE OUT command with REGISTER AND MOVE * Table 117 - REGISTER and MOVE service action parameter list */ typedef struct scsi_prout_reg_move_plist { uint8_t reservation_key[8]; uint8_t service_key[8]; uint8_t resbytes1; uint8_t aptpl : 1, unreg : 1, resbits1 : 6; uint8_t rel_tgt_port_id[2]; uint8_t tptid_len[4]; uint8_t tptid[1]; } scsi_prout_reg_move_plist_t; #elif defined(_BIT_FIELDS_HTOL) /* * Information obtained from: * SPC-3, Revision 23 * Section 6.11.1 PERSISTENCE RESERVE IN * Table 101 - PERSISTENCE RESERVE IN command */ typedef struct scsi_cdb_prin { uint8_t cmd; uint8_t resbits : 3, action : 5; uint8_t resbytes[5]; uint8_t alloc_len[2]; uint8_t control; } scsi_cdb_prin_t; /* * Information obtained from: * SPC-3, Revision 23 * Section 6.11.2 PERSISTENCE RESERVE IN * Table 103/104/105 - parameter data for READS KEYS */ typedef struct scsi_prin_rsrvdesc { uint8_t reservation_key[8]; uint8_t obsolete1[4]; uint8_t resbytes; uint8_t scope : 4, type : 4; uint8_t obsolete2[2]; } scsi_prin_rsrvdesc_t; typedef struct scsi_prin_readrsrv { uint8_t PRgeneration[4]; uint8_t add_len[4]; union { uint64_t service_key[1]; scsi_prin_rsrvdesc_t res_key_list[1]; } key_list; } scsi_prin_readrsrv_t; /* * Information obtained from: * SPC-3, Revision 23 * Section 6.11.4 PERSISTENCE RESERVE IN * Table 108 - parameter data for REPORT CAPABILTIES */ typedef struct scsi_per_res_type { uint8_t wr_ex_ar : 1, ex_ac_ro : 1, wr_ex_ro : 1, resbits3 : 1, ex_ac : 1, resbits2 : 1, wr_ex : 1, resbits1 : 1; uint8_t resbits4 : 7, ex_ac_ar : 1; } scsi_per_res_type_t; typedef struct scsi_prin_rpt_cap { uint8_t length[2]; uint8_t resbits2 : 3, crh : 1, sip_c : 1, atp_c : 1, resbits1 : 1, ptpl_c : 1; uint8_t tmv : 1, resbits3 : 6, ptpl_a : 1; scsi_per_res_type_t pr_type; uint8_t resbytes[2]; } scsi_prin_rpt_cap_t; /* * Refer SPC-3, Revision 23 * Section 7.5.4 TransportID identifiers */ typedef struct scsi_transport_id { uint8_t format_code : 2, resbits : 2, protocol_id : 4; uint8_t protocol_data[1]; } scsi_transport_id_t; typedef struct scsi_fc_transport_id { uint8_t format_code : 2, resbits : 2, protocol_id : 4; uint8_t rsvbytes1[7]; uint8_t port_name[8]; uint8_t rsvbytes2[8]; } scsi_fc_transport_id_t; typedef struct iscsi_transport_id { uint8_t format_code : 2, resbits : 2, protocol_id : 4; uint8_t rsvbyte1; uint8_t add_len[2]; char iscsi_name[1]; } iscsi_transport_id_t; /* * Information obtained from: * SPC-3, Revision 23 * Section 6.11.5 PERSISTENCE RESERVE IN * Table 110/111 - parameter data for READ FULL STATUS * Table 281 - TransportId format */ typedef struct scsi_prin_status_t { uint8_t reservation_key[8]; uint8_t resbytes1[4]; uint8_t resbits : 6, all_tg_pt : 1, r_holder : 1; uint8_t scope : 4, type : 4; uint8_t resbytes2[4]; uint8_t rel_tgt_port_id[2]; uint8_t add_len[4]; scsi_transport_id_t trans_id; } scsi_prin_status_t; typedef struct scsi_prin_full_status { uint8_t PRgeneration[4]; uint8_t add_len[4]; scsi_prin_status_t full_desc[1]; } scsi_prin_full_status_t; /* * Information obtained from: * SPC-3, Revision 23 * Section 6.12.1 PERSISTENCE RESERVE OUT * Table 112 - PERSISTENCE RESERVE OUT command */ typedef struct scsi_cdb_prout { uint8_t cmd; uint8_t resbits : 3, action : 5; uint8_t scope : 4, type : 4; uint8_t resbytes[2]; uint8_t param_len[4]; uint8_t control; } scsi_cdb_prout_t; /* * Information obtained from: * SPC-3, Revision 23 * Section 6.12.3 PERSISTENCE RESERVE OUT * Table 114 - PERSISTENCE RESERVE OUT parameter list */ typedef struct scsi_prout_plist { uint8_t reservation_key[8]; uint8_t service_key[8]; uint8_t obsolete1[4]; uint8_t resbits1 : 4, spec_i_pt : 1, all_tg_pt : 1, resbits2 : 1, aptpl : 1; uint8_t resbytes1; uint8_t obsolete2[2]; uint8_t apd[1]; } scsi_prout_plist_t; /* * Information obtained from: * SPC-3, Revision 23 * Section 6.12.4 PERSISTENCE RESERVE OUT command with REGISTER AND MOVE * Table 117 - REGISTER and MOVE service action parameter list */ typedef struct scsi_prout_reg_move_plist { uint8_t reservation_key[8]; uint8_t service_key[8]; uint8_t resbytes1; uint8_t resbits1 : 6, unreg : 1, aptpl : 1; uint8_t rel_tgt_port_id[2]; uint8_t tptid_len[4]; uint8_t tptid[1]; } scsi_prout_reg_move_plist_t; #else #error One of _BIT_FIELDS_LTOH or _BIT_FIELDS_HTOL must be defined #endif /* _BIT_FIELDS_LTOH */ /* * SPC-3 revision 23, Section 6.12.2, Table 113 * Persistent Reservations * Persistent Reserve Out service action codes */ #define PR_OUT_REGISTER 0x0 /* Register/unregister a reservation */ /* key with the device server */ #define PR_OUT_RESERVE 0x1 /* Create a persistent reservation */ /* having a specified SCOPE & TYPE */ #define PR_OUT_RELEASE 0x2 /* Release the selected persistent */ /* reservation */ #define PR_OUT_CLEAR 0x3 /* Clears all reservation keys and */ /* all persistent reservations */ #define PR_OUT_PREEMPT 0x4 /* Preempts persistent reservations */ /* and/or removes reservations */ #define PR_OUT_PREEMPT_ABORT 0x5 /* Preempts persistent reservations */ /* and/or removes reservations, and */ /* aborts all tasks for all preempted */ /* I_T nexuses */ #define PR_OUT_REGISTER_AND_IGNORE_EXISTING_KEY 0x06 /* Register a reservation key with */ /* the device server, or unregister a */ /* reservation key */ #define PR_OUT_REGISTER_MOVE 0x7 /* Register a reservation key for */ /* another I_T nexus with the device */ /* server and move a persistent */ /* reservation to the I_T nexus */ #ifdef __cplusplus } #endif #endif /* _SYS_SCSI_GENERIC_PERSIST_H */