FreeBSD/Linux Kernel Cross Reference
sys/dev/hpt27xx/array.h

     /*-
      * Copyright (c) 2011 HighPoint Technologies, Inc.
      * All rights reserved.
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions
      * are met:
      * 1. Redistributions of source code must retain the above copyright
      *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     * SUCH DAMAGE.
     *
     * $FreeBSD: releng/8.4/sys/dev/hpt27xx/array.h 228940 2011-12-28 23:26:58Z delphij $
     */
    
    #include <dev/hpt27xx/hpt27xx_config.h>
    
    #ifndef _HPT_ARRAY_H_
    #define _HPT_ARRAY_H_
    
    #define VERMAGIC_ARRAY 46
    
    #if defined(__cplusplus)
    extern "C" {
    #endif
    
    #define MAX_ARRAY_NAME 16
    
    #ifndef MAX_MEMBERS
    #define MAX_MEMBERS    16
    #endif
    
    #if MAX_MEMBERS<=16
    typedef HPT_U16 HPT_MMASK;
    #elif MAX_MEMBERS<=32
    typedef HPT_U32 HPT_MMASK;
    #elif MAX_MEMBERS<=64
    typedef HPT_U64 HPT_MMASK;
    #else 
    #error "MAX_MEMBERS too large"
    #endif
    
    #define HPT_MMASK_VALUE(x) (HPT_MMASK)((HPT_MMASK)1<<(x))
    
    #if MAX_MEMBERS<32
    #define HPT_MMASK_VALUE_SAFE(x) HPT_MMASK_VALUE(x)
    #else 
    #define HPT_MMASK_VALUE_SAFE(x) ((x)>=MAX_MEMBERS? (HPT_MMASK)0 : HPT_MMASK_VALUE(x))
    #endif
    
    #define MAX_REBUILD_SECTORS 128
    
    typedef struct _RAID_FLAGS {
            HPT_UINT rf_need_initialize : 1;    
            HPT_UINT rf_need_rebuild: 1;        
            HPT_UINT rf_need_sync: 1;           
            /* ioctl flags */
            HPT_UINT rf_auto_rebuild: 1;
            HPT_UINT rf_rebuilding: 1;          
            HPT_UINT rf_verifying: 1;
            HPT_UINT rf_initializing: 1;        
            HPT_UINT rf_abort_verifying: 1;
            HPT_UINT rf_raid15: 1;
            HPT_UINT rf_v3_format : 1;
            HPT_UINT rf_need_transform : 1;
            HPT_UINT rf_transforming : 1;
            HPT_UINT rf_abort_transform : 1;
            HPT_UINT rf_log_write: 1;           
    } RAID_FLAGS;
    
    typedef struct transform_cmd_ext
    {
            HPT_LBA lba;
            HPT_U16 total_sectors;
            HPT_U16 finished_sectors;
    } TRANSFORM_CMD_EXT , *PTRANSFORM_CMD_EXT;
    
    
    #define TO_MOVE_DATA        0
    #define TO_INITIALIZE       1
    #define TO_INITIALIZE_ONLY  2
    #define TO_MOVE_DATA_ONLY   3
    typedef struct hpt_transform
    {
            HPT_U32 stamp;
            PVDEV source;
           PVDEV target;
           struct list_head link;
           HPT_U8 transform_from_tail;
           struct tq_item task;
           
           struct lock_request lock;
           TRANSFORM_CMD_EXT cmdext;
   
           HPT_U64 transform_point;
           HPT_U16 transform_sectors_per_step;
           HPT_U8  operation;
           HPT_U8  disabled; 
   } HPT_TRANSFORM, *PHPT_TRANSFORM;
   
   typedef struct hpt_array
   {
           HPT_U32 array_stamp;
           HPT_U32 data_stamp;  
           HPT_U32 array_sn; 
   
           HPT_U8  ndisk;
           HPT_U8  block_size_shift;
           HPT_U16 strip_width;
           HPT_U8  sector_size_shift; /*sector size = 512B<<sector_size_shift*/
           HPT_U8  jid; 
           HPT_U8  reserved[2];
   
           
           HPT_MMASK outdated_members;
           HPT_MMASK offline_members;
   
           PVDEV member[MAX_MEMBERS];
   
           RAID_FLAGS flags;
   
           HPT_U64 rebuilt_sectors;
   
           
           HPT_U8 name[MAX_ARRAY_NAME];
           PHPT_TRANSFORM transform;
   
           TIME_RECORD create_time;        
           HPT_U8  description[64];        
           HPT_U8  create_manager[16];     
   
   #ifdef OS_SUPPORT_TASK
           int floating_priority;
           OSM_TASK ioctl_task;
           IOCTL_ARG ioctl_arg;
           
           char ioctl_inbuf[sizeof(PVDEV)+sizeof(HPT_U64)+sizeof(HPT_U16)];
           char ioctl_outbuf[sizeof(HPT_UINT)];
   #endif
   
   } HPT_ARRAY, *PHPT_ARRAY;
   
   #ifdef OS_SUPPORT_TASK
   void ldm_start_rebuild(struct _VDEV *pArray);
   #else 
   #define ldm_start_rebuild(pArray)
   #endif
   
   typedef struct _raw_partition{
           struct _raw_partition * next;
           __HPT_RAW_LBA start;
           __HPT_RAW_LBA capacity;
           PVDEV   vd_part;
   } RAW_PARTITION, *PRAW_PARTITION;
   
   typedef struct hpt_partiton
   {
           PVDEV raw_disk;
           __HPT_RAW_LBA des_location;
           PRAW_PARTITION raw_part;
           HPT_U8  del_mbr;
           HPT_U8  reserved[3];
   } HPT_PARTITION, *PHPT_PARTITION;
   
   void ldm_check_array_online(PVDEV pArray);
   void ldm_generic_member_failed(PVDEV member);
   void ldm_sync_array_info(PVDEV pArray);
   void ldm_sync_array_stamp(PVDEV pArray);
   void ldm_add_spare_to_array(PVDEV pArray, PVDEV spare_partition);
   
   #if defined(__cplusplus)
   }
   #endif
   #endif

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