| /* |
| * CDDL HEADER START |
| * |
| * The contents of this file are subject to the terms of the |
| * Common Development and Distribution License, Version 1.0 only |
| * (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 2004 Sun Microsystems, Inc. All rights reserved. |
| * Use is subject to license terms. |
| */ |
| |
| #ifndef _SYS_MHD_H |
| #define _SYS_MHD_H |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /* |
| * Definitions for multi-host device I/O control commands |
| */ |
| #define MHIOC ('M'<<8) |
| #define MHIOCENFAILFAST (MHIOC|1) |
| #define MHIOCTKOWN (MHIOC|2) |
| #define MHIOCRELEASE (MHIOC|3) |
| #define MHIOCSTATUS (MHIOC|4) |
| #define MHIOCGRP_INKEYS (MHIOC|5) |
| #define MHIOCGRP_INRESV (MHIOC|6) |
| #define MHIOCGRP_REGISTER (MHIOC|7) |
| #define MHIOCGRP_RESERVE (MHIOC|8) |
| #define MHIOCGRP_PREEMPTANDABORT (MHIOC|9) |
| #define MHIOCGRP_PREEMPT (MHIOC|10) |
| #define MHIOCGRP_CLEAR (MHIOC|11) |
| #define MHIOCGRP_REGISTERANDIGNOREKEY (MHIOC|14) |
| #define MHIOCQRESERVE (MHIOC|12) |
| #define MHIOCREREGISTERDEVID (MHIOC|13) |
| |
| /* |
| * Following is the structure to specify the delay parameters in |
| * milliseconds, via the MHIOCTKOWN ioctl. |
| */ |
| struct mhioctkown { |
| int reinstate_resv_delay; |
| int min_ownership_delay; |
| int max_ownership_delay; |
| }; |
| |
| #define MHIOC_RESV_KEY_SIZE 8 |
| typedef struct mhioc_resv_key { |
| uchar_t key[MHIOC_RESV_KEY_SIZE]; |
| } mhioc_resv_key_t; |
| |
| typedef struct mhioc_key_list { |
| uint32_t listsize; |
| uint32_t listlen; |
| mhioc_resv_key_t *list; |
| } mhioc_key_list_t; |
| |
| typedef struct mhioc_inkeys { |
| uint32_t generation; |
| mhioc_key_list_t *li; |
| } mhioc_inkeys_t; |
| |
| #if defined(_SYSCALL32) |
| struct mhioc_key_list32 { |
| uint32_t listsize; |
| uint32_t listlen; |
| caddr32_t list; |
| } mhioc_key_list32_t; |
| |
| struct mhioc_inkeys32 { |
| uint32_t generation; |
| caddr32_t li; |
| } mhioc_inkeys32_t; |
| #endif |
| |
| typedef struct mhioc_resv_desc { |
| mhioc_resv_key_t key; |
| uint8_t type; |
| uint8_t scope; |
| uint32_t scope_specific_addr; |
| } mhioc_resv_desc_t; |
| |
| typedef struct mhioc_resv_desc_list { |
| uint32_t listsize; |
| uint32_t listlen; |
| mhioc_resv_desc_t *list; |
| } mhioc_resv_desc_list_t; |
| |
| typedef struct mhioc_inresvs { |
| uint32_t generation; |
| mhioc_resv_desc_list_t *li; |
| } mhioc_inresvs_t; |
| |
| #if defined(_SYSCALL32) |
| struct mhioc_resv_desc_list32 { |
| uint32_t listsize; |
| uint32_t listlen; |
| caddr32_t list; |
| } mhioc_resv_desc_list32_t; |
| |
| typedef struct mhioc_inresvs32 { |
| uint32_t generation; |
| caddr32_t li; |
| } mhioc_inresvs32_t; |
| #endif |
| |
| typedef struct mhioc_register { |
| mhioc_resv_key_t oldkey; |
| mhioc_resv_key_t newkey; |
| boolean_t aptpl; /* True if persistent across power failures */ |
| } mhioc_register_t; |
| |
| typedef struct mhioc_preemptandabort { |
| mhioc_resv_desc_t resvdesc; |
| mhioc_resv_key_t victim_key; |
| } mhioc_preemptandabort_t; |
| |
| typedef struct mhioc_registerandignorekey { |
| mhioc_resv_key_t newkey; |
| boolean_t aptpl; /* True if persistent across power failures */ |
| } mhioc_registerandignorekey_t; |
| |
| /* |
| * SCSI-3 PGR Reservation Type Codes. Codes with the _OBSOLETE suffix |
| * have been removed from the SCSI3 PGR standard. |
| */ |
| #define SCSI3_RESV_READSHARED_OBSOLETE 0 |
| #define SCSI3_RESV_WRITEEXCLUSIVE 1 |
| #define SCSI3_RESV_READEXCLUSIVE_OBSOLETE 2 |
| #define SCSI3_RESV_EXCLUSIVEACCESS 3 |
| #define SCSI3_RESV_SHAREDACCESS_OBSOLETE 4 |
| #define SCSI3_RESV_WRITEEXCLUSIVEREGISTRANTSONLY 5 |
| #define SCSI3_RESV_EXCLUSIVEACCESSREGISTRANTSONLY 6 |
| |
| #define SCSI3_SCOPE_LOGICALUNIT 0 |
| #define SCSI3_SCOPE_EXTENT_OBSOLETE 1 |
| #define SCSI3_SCOPE_ELEMENT 2 |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* _SYS_MHD_H */ |