1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 /*
  22  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
  23  * Use is subject to license terms.
  24  * Copyright 2016 Nexenta Systems, Inc.  All rights reserved.
  25  */
  26 
  27 #ifndef _DS_IMPL_H
  28 #define _DS_IMPL_H
  29 
  30 #include <dlfcn.h>
  31 #include <libnvpair.h>
  32 #include <sys/types.h>
  33 
  34 #ifdef  __cplusplus
  35 extern "C" {
  36 #endif
  37 
  38 struct disk_status;
  39 
  40 typedef struct ds_transport {
  41         void            *(*dt_open)(struct disk_status *);
  42         void            (*dt_close)(void *);
  43         int             (*dt_scan)(void *);
  44 } ds_transport_t;
  45 
  46 struct disk_status {
  47         char                    *ds_path;       /* path to device */
  48         int                     ds_fd;          /* device file descriptor */
  49         ds_transport_t          *ds_transport;  /* associated transport */
  50         void                    *ds_data;       /* transport-specific data */
  51         int                     ds_faults;      /* mask of current faults */
  52         nvlist_t                *ds_overtemp;   /* overtemp */
  53         nvlist_t                *ds_predfail;   /* predict fail */
  54         nvlist_t                *ds_testfail;   /* self test fail */
  55         nvlist_t                *ds_ssmwearout; /* SSM wearout fail */
  56         int                     ds_error;       /* last error */
  57         nvlist_t                *ds_state;      /* protocol state */
  58 };
  59 
  60 #define DS_FAULT_OVERTEMP       0x1
  61 #define DS_FAULT_PREDFAIL       0x2
  62 #define DS_FAULT_TESTFAIL       0x4
  63 #define DS_FAULT_SSMWEAROUT     0x8
  64 
  65 extern void dprintf(const char *, ...);
  66 extern void ddump(const char *, const void *, size_t);
  67 extern boolean_t ds_debug;
  68 
  69 extern int ds_set_errno(struct disk_status *, int);
  70 
  71 #ifdef  __cplusplus
  72 }
  73 #endif
  74 
  75 #endif  /* _DS_IMPL_H */