The Design and Implementation of the FreeBSD Operating System, Second Edition
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sys/dev/iir/iir.h

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    1 /* $FreeBSD: releng/7.3/sys/dev/iir/iir.h 170872 2007-06-17 05:55:54Z scottl $ */
    2 /*-
    3  *       Copyright (c) 2000-04 ICP vortex GmbH
    4  *       Copyright (c) 2002-04 Intel Corporation
    5  *       Copyright (c) 2003-04 Adaptec Inc.
    6  *       All Rights Reserved
    7  *
    8  * Redistribution and use in source and binary forms, with or without
    9  * modification, are permitted provided that the following conditions
   10  * are met:
   11  * 1. Redistributions of source code must retain the above copyright
   12  *    notice, this list of conditions, and the following disclaimer,
   13  *    without modification, immediately at the beginning of the file.
   14  * 2. Redistributions in binary form must reproduce the above copyright
   15  *    notice, this list of conditions and the following disclaimer in the
   16  *    documentation and/or other materials provided with the distribution.
   17  * 3. The name of the author may not be used to endorse or promote products
   18  *    derived from this software without specific prior written permission.
   19  *
   20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   23  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
   24  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   30  * SUCH DAMAGE.
   31  *
   32  */
   33 
   34 /*
   35  *
   36  * iir.h:       Definitions/Constants used by the Intel Integrated RAID driver
   37  *
   38  * Written by:  Achim Leubner <achim_leubner@adaptec.com>
   39  * Fixes/Additions:     Boji Tony Kannanthanam <boji.t.kannanthanam@intel.com>
   40  *
   41  * credits:     Niklas Hallqvist;       OpenBSD driver for the ICP Controllers.
   42  *              FreeBSD.ORG;            Great O/S to work on and for.
   43  *
   44  * $Id: iir.h 1.6 2004/03/30 10:19:44 achim Exp $"
   45  */
   46 
   47 #ifndef _IIR_H
   48 #define _IIR_H
   49 
   50 #ifndef _SYS_CDEFS_H_
   51 #error this file needs sys/cdefs.h as a prerequisite
   52 #endif
   53 
   54 #define IIR_DRIVER_VERSION      1
   55 #define IIR_DRIVER_SUBVERSION   5
   56 
   57 /* OEM IDs */
   58 #define OEM_ID_ICP              0x941c
   59 #define OEM_ID_INTEL            0x8000
   60 
   61 #define GDT_VENDOR_ID           0x1119
   62 #define GDT_DEVICE_ID_MIN       0x100
   63 #define GDT_DEVICE_ID_MAX       0x2ff
   64 #define GDT_DEVICE_ID_NEWRX     0x300
   65 
   66 #define INTEL_VENDOR_ID         0x8086
   67 #define INTEL_DEVICE_ID_IIR     0x600
   68 
   69 #define GDT_MAXBUS              6       /* XXX Why not 5? */
   70 #define GDT_MAX_HDRIVES         100     /* max 100 host drives */
   71 #define GDT_MAXID_FC            127     /* Fibre-channel IDs */
   72 #define GDT_MAXID               16      /* SCSI IDs */
   73 #define GDT_MAXOFFSETS          128
   74 #define GDT_MAXSG               32      /* Max. s/g elements */
   75 #define GDT_PROTOCOL_VERSION    1
   76 #define GDT_LINUX_OS            8       /* Used for cache optimization */
   77 #define GDT_SCATTER_GATHER      1       /* s/g feature */
   78 #define GDT_SECS32              0x1f    /* round capacity */
   79 #define GDT_LOCALBOARD          0       /* Board node always 0 */
   80 #define GDT_MAXCMDS             124
   81 #define GDT_SECTOR_SIZE         0x200   /* Always 512 bytes for cache devs */
   82 #define GDT_MAX_EVENTS          0x100   /* event buffer */
   83 
   84 /* DPMEM constants */
   85 #define GDT_MPR_MAGIC           0xc0ffee11
   86 #define GDT_IC_HEADER_BYTES     48
   87 #define GDT_IC_QUEUE_BYTES      4
   88 #define GDT_DPMEM_COMMAND_OFFSET \
   89     (GDT_IC_HEADER_BYTES + GDT_IC_QUEUE_BYTES * GDT_MAXOFFSETS)
   90 
   91 /* geometry constants */
   92 #define GDT_MAXCYLS             1024
   93 #define GDT_HEADS               64
   94 #define GDT_SECS                32      /* mapping 64*32 */
   95 #define GDT_MEDHEADS            127
   96 #define GDT_MEDSECS             63      /* mapping 127*63 */
   97 #define GDT_BIGHEADS            255
   98 #define GDT_BIGSECS             63      /* mapping 255*63 */
   99 
  100 /* data direction raw service */
  101 #define GDT_DATA_IN             0x01000000L
  102 #define GDT_DATA_OUT            0x00000000L
  103 
  104 /* Cache/raw service commands */
  105 #define GDT_INIT        0               /* service initialization */
  106 #define GDT_READ        1               /* read command */
  107 #define GDT_WRITE       2               /* write command */
  108 #define GDT_INFO        3               /* information about devices */
  109 #define GDT_FLUSH       4               /* flush dirty cache buffers */
  110 #define GDT_IOCTL       5               /* ioctl command */
  111 #define GDT_DEVTYPE     9               /* additional information */
  112 #define GDT_MOUNT       10              /* mount cache device */
  113 #define GDT_UNMOUNT     11              /* unmount cache device */
  114 #define GDT_SET_FEAT    12              /* set features (scatter/gather) */
  115 #define GDT_GET_FEAT    13              /* get features */
  116 #define GDT_WRITE_THR   16              /* write through */
  117 #define GDT_READ_THR    17              /* read through */
  118 #define GDT_EXT_INFO    18              /* extended info */
  119 #define GDT_RESET       19              /* controller reset */
  120 #define GDT_FREEZE_IO   25              /* freeze all IOs */
  121 #define GDT_UNFREEZE_IO 26              /* unfreeze all IOs */
  122 
  123 /* Additional raw service commands */
  124 #define GDT_RESERVE     14              /* reserve device to raw service */
  125 #define GDT_RELEASE     15              /* release device */
  126 #define GDT_RESERVE_ALL 16              /* reserve all devices */
  127 #define GDT_RELEASE_ALL 17              /* release all devices */
  128 #define GDT_RESET_BUS   18              /* reset bus */
  129 #define GDT_SCAN_START  19              /* start device scan */
  130 #define GDT_SCAN_END    20              /* stop device scan */  
  131 
  132 /* IOCTL command defines */
  133 #define GDT_SCSI_DR_INFO        0x00    /* SCSI drive info */
  134 #define GDT_SCSI_CHAN_CNT       0x05    /* SCSI channel count */
  135 #define GDT_SCSI_DR_LIST        0x06    /* SCSI drive list */
  136 #define GDT_SCSI_DEF_CNT        0x15    /* grown/primary defects */
  137 #define GDT_DSK_STATISTICS      0x4b    /* SCSI disk statistics */
  138 #define GDT_IOCHAN_DESC         0x5d    /* description of IO channel */
  139 #define GDT_IOCHAN_RAW_DESC     0x5e    /* description of raw IO channel */
  140 
  141 #define GDT_L_CTRL_PATTERN      0x20000000      /* SCSI IOCTL mask */
  142 #define GDT_ARRAY_INFO          0x12            /* array drive info */
  143 #define GDT_ARRAY_DRV_LIST      0x0f            /* array drive list */
  144 #define GDT_LA_CTRL_PATTERN     0x10000000      /* array IOCTL mask */
  145 #define GDT_CACHE_DRV_CNT       0x01            /* cache drive count */
  146 #define GDT_CACHE_DRV_LIST      0x02            /* cache drive list */
  147 #define GDT_CACHE_INFO          0x04            /* cache info */
  148 #define GDT_CACHE_CONFIG        0x05            /* cache configuration */
  149 #define GDT_CACHE_DRV_INFO      0x07            /* cache drive info */
  150 #define GDT_BOARD_FEATURES      0x15            /* controller features */
  151 #define GDT_BOARD_INFO          0x28            /* controller info */
  152 #define GDT_OEM_STR_RECORD      0x84            /* OEM info */
  153 #define GDT_HOST_GET            0x10001         /* get host drive list */
  154 #define GDT_IO_CHANNEL          0x20000         /* default IO channel */
  155 #define GDT_INVALID_CHANNEL     0xffff          /* invalid channel */
  156 
  157 /* IOCTLs */
  158 #define GDT_IOCTL_GENERAL       _IOWR('J', 0, gdt_ucmd_t) /* general IOCTL */
  159 #define GDT_IOCTL_DRVERS        _IOR('J', 1, int)      /* get driver version */
  160 #define GDT_IOCTL_CTRTYPE       _IOWR('J', 2, gdt_ctrt_t) /* get ctr. type */
  161 #define GDT_IOCTL_DRVERS_OLD    _IOWR('J', 1, int)      /* get driver version */
  162 #define GDT_IOCTL_CTRTYPE_OLD   _IOR('J', 2, gdt_ctrt_t) /* get ctr. type */
  163 #define GDT_IOCTL_OSVERS        _IOR('J', 3, gdt_osv_t) /* get OS version */
  164 #define GDT_IOCTL_CTRCNT        _IOR('J', 5, int)       /* get ctr. count */
  165 #define GDT_IOCTL_EVENT         _IOWR('J', 8, gdt_event_t) /* get event */
  166 #define GDT_IOCTL_STATIST       _IOR('J', 9, gdt_statist_t) /* get statistics */
  167 
  168 /* Service errors */
  169 #define GDT_S_OK                1       /* no error */
  170 #define GDT_S_BSY               7       /* controller busy */
  171 #define GDT_S_RAW_SCSI          12      /* raw service: target error */
  172 #define GDT_S_RAW_ILL           0xff    /* raw service: illegal */
  173 #define GDT_S_NO_STATUS         0x1000  /* got no status (driver-generated) */
  174 
  175 /* Controller services */
  176 #define GDT_SCSIRAWSERVICE      3
  177 #define GDT_CACHESERVICE        9
  178 #define GDT_SCREENSERVICE       11
  179 
  180 /* Scatter/gather element */
  181 #define GDT_SG_PTR              0x00    /* u_int32_t, address */
  182 #define GDT_SG_LEN              0x04    /* u_int32_t, length */
  183 #define GDT_SG_SZ               0x08
  184 
  185 /* Cache service command */
  186 #define GDT_CACHE_DEVICENO      0x00    /* u_int16_t, number of cache drive */
  187 #define GDT_CACHE_BLOCKNO       0x02    /* u_int32_t, block number */
  188 #define GDT_CACHE_BLOCKCNT      0x06    /* u_int32_t, block count */
  189 #define GDT_CACHE_DESTADDR      0x0a    /* u_int32_t, dest. addr. (-1: s/g) */
  190 #define GDT_CACHE_SG_CANZ       0x0e    /* u_int32_t, s/g element count */
  191 #define GDT_CACHE_SG_LST        0x12    /* [GDT_MAXSG], s/g list */
  192 #define GDT_CACHE_SZ            (0x12 + GDT_MAXSG * GDT_SG_SZ)
  193 
  194 /* Ioctl command */
  195 #define GDT_IOCTL_PARAM_SIZE    0x00    /* u_int16_t, size of buffer */
  196 #define GDT_IOCTL_SUBFUNC       0x02    /* u_int32_t, ioctl function */
  197 #define GDT_IOCTL_CHANNEL       0x06    /* u_int32_t, device */
  198 #define GDT_IOCTL_P_PARAM       0x0a    /* u_int32_t, buffer */
  199 #define GDT_IOCTL_SZ            0x0e
  200 
  201 /* Screen service defines */
  202 #define GDT_MSG_INV_HANDLE      -1      /* special message handle */
  203 #define GDT_MSGLEN              16      /* size of message text */
  204 #define GDT_MSG_SIZE            34      /* size of message structure */
  205 #define GDT_MSG_REQUEST         0       /* async. event. message */
  206 
  207 /* Screen service command */
  208 #define GDT_SCREEN_MSG_HANDLE   0x02    /* u_int32_t, message handle */
  209 #define GDT_SCREEN_MSG_ADDR     0x06    /* u_int32_t, message buffer address */
  210 #define GDT_SCREEN_SZ           0x0a
  211 
  212 /* Screen service message */
  213 #define GDT_SCR_MSG_HANDLE      0x00    /* u_int32_t, message handle */
  214 #define GDT_SCR_MSG_LEN         0x04    /* u_int32_t, size of message */
  215 #define GDT_SCR_MSG_ALEN        0x08    /* u_int32_t, answer length */
  216 #define GDT_SCR_MSG_ANSWER      0x0c    /* u_int8_t, answer flag */
  217 #define GDT_SCR_MSG_EXT         0x0d    /* u_int8_t, more messages? */
  218 #define GDT_SCR_MSG_RES         0x0e    /* u_int16_t, reserved */
  219 #define GDT_SCR_MSG_TEXT        0x10    /* GDT_MSGLEN+2, message text */
  220 #define GDT_SCR_MSG_SZ          (0x12 + GDT_MSGLEN)
  221 
  222 /* Raw service command */
  223 #define GDT_RAW_DIRECTION       0x02    /* u_int32_t, data direction */
  224 #define GDT_RAW_MDISC_TIME      0x06    /* u_int32_t, disc. time (0: none) */
  225 #define GDT_RAW_MCON_TIME       0x0a    /* u_int32_t, conn. time (0: none) */
  226 #define GDT_RAW_SDATA           0x0e    /* u_int32_t, dest. addr. (-1: s/g) */
  227 #define GDT_RAW_SDLEN           0x12    /* u_int32_t, data length */
  228 #define GDT_RAW_CLEN            0x16    /* u_int32_t, SCSI cmd len (6/10/12) */
  229 #define GDT_RAW_CMD             0x1a    /* u_int8_t [12], SCSI command */
  230 #define GDT_RAW_TARGET          0x26    /* u_int8_t, target ID */
  231 #define GDT_RAW_LUN             0x27    /* u_int8_t, LUN */
  232 #define GDT_RAW_BUS             0x28    /* u_int8_t, SCSI bus number */
  233 #define GDT_RAW_PRIORITY        0x29    /* u_int8_t, only 0 used */
  234 #define GDT_RAW_SENSE_LEN       0x2a    /* u_int32_t, sense data length */
  235 #define GDT_RAW_SENSE_DATA      0x2e    /* u_int32_t, sense data address */
  236 #define GDT_RAW_SG_RANZ         0x36    /* u_int32_t, s/g element count */
  237 #define GDT_RAW_SG_LST          0x3a    /* [GDT_MAXSG], s/g list */
  238 #define GDT_RAW_SZ              (0x3a + GDT_MAXSG * GDT_SG_SZ)
  239 
  240 /* Command structure */
  241 #define GDT_CMD_BOARDNODE       0x00    /* u_int32_t, board node (always 0) */
  242 #define GDT_CMD_COMMANDINDEX    0x04    /* u_int32_t, command number */ 
  243 #define GDT_CMD_OPCODE          0x08    /* u_int16_t, opcode (READ, ...) */
  244 #define GDT_CMD_UNION           0x0a    /* cache/screen/raw service command */
  245 #define GDT_CMD_UNION_SZ        GDT_RAW_SZ
  246 #define GDT_CMD_SZ              (0x0a + GDT_CMD_UNION_SZ)
  247 
  248 /* Command queue entries */
  249 #define GDT_OFFSET      0x00    /* u_int16_t, command offset in the DP RAM */
  250 #define GDT_SERV_ID     0x02    /* u_int16_t, service */
  251 #define GDT_COMM_Q_SZ   0x04
  252 
  253 /* Interface area */
  254 #define GDT_S_CMD_INDX  0x00    /* u_int8_t, special command */
  255 #define GDT_S_STATUS    0x01    /* volatile u_int8_t, status special command */
  256 #define GDT_S_INFO      0x04    /* u_int32_t [4], add. info special command */
  257 #define GDT_SEMA0       0x14    /* volatile u_int8_t, command semaphore */
  258 #define GDT_CMD_INDEX   0x18    /* u_int8_t, command number */
  259 #define GDT_STATUS      0x1c    /* volatile u_int16_t, command status */
  260 #define GDT_SERVICE     0x1e    /* u_int16_t, service (for asynch. events) */
  261 #define GDT_DPR_INFO    0x20    /* u_int32_t [2], additional info */
  262 #define GDT_COMM_QUEUE  0x28    /* command queue */
  263 #define GDT_DPR_CMD     (0x30 + GDT_MAXOFFSETS * GDT_COMM_Q_SZ)
  264                                 /* u_int8_t [], commands */
  265 
  266 /* I/O channel header */
  267 #define GDT_IOC_VERSION         0x00    /* u_int32_t, version (~0: newest) */
  268 #define GDT_IOC_LIST_ENTRIES    0x04    /* u_int8_t, list entry count */
  269 #define GDT_IOC_FIRST_CHAN      0x05    /* u_int8_t, first channel number */
  270 #define GDT_IOC_LAST_CHAN       0x06    /* u_int8_t, last channel number */
  271 #define GDT_IOC_CHAN_COUNT      0x07    /* u_int8_t, (R) channel count */
  272 #define GDT_IOC_LIST_OFFSET     0x08    /* u_int32_t, offset of list[0] */
  273 #define GDT_IOC_HDR_SZ          0x0c
  274 
  275 #define GDT_IOC_NEWEST          0xffffffff      /* goes into GDT_IOC_VERSION */
  276 
  277 /* Get I/O channel description */
  278 #define GDT_IOC_ADDRESS         0x00    /* u_int32_t, channel address */
  279 #define GDT_IOC_TYPE            0x04    /* u_int8_t, type (SCSI/FCSL) */
  280 #define GDT_IOC_LOCAL_NO        0x05    /* u_int8_t, local number */
  281 #define GDT_IOC_FEATURES        0x06    /* u_int16_t, channel features */
  282 #define GDT_IOC_SZ              0x08
  283 
  284 /* Get raw I/O channel description */
  285 #define GDT_RAWIOC_PROC_ID      0x00    /* u_int8_t, processor id */
  286 #define GDT_RAWIOC_PROC_DEFECT  0x01    /* u_int8_t, defect? */
  287 #define GDT_RAWIOC_SZ           0x04
  288 
  289 /* Get SCSI channel count */
  290 #define GDT_GETCH_CHANNEL_NO    0x00    /* u_int32_t, channel number */
  291 #define GDT_GETCH_DRIVE_CNT     0x04    /* u_int32_t, drive count */
  292 #define GDT_GETCH_SIOP_ID       0x08    /* u_int8_t, SCSI processor ID */
  293 #define GDT_GETCH_SIOP_STATE    0x09    /* u_int8_t, SCSI processor state */
  294 #define GDT_GETCH_SZ            0x0a
  295 
  296 /* Cache info/config IOCTL structures */
  297 #define GDT_CPAR_VERSION        0x00    /* u_int32_t, firmware version */
  298 #define GDT_CPAR_STATE          0x04    /* u_int16_t, cache state (on/off) */
  299 #define GDT_CPAR_STRATEGY       0x06    /* u_int16_t, cache strategy */
  300 #define GDT_CPAR_WRITE_BACK     0x08    /* u_int16_t, write back (on/off) */
  301 #define GDT_CPAR_BLOCK_SIZE     0x0a    /* u_int16_t, cache block size */
  302 #define GDT_CPAR_SZ             0x0c
  303 
  304 #define GDT_CSTAT_CSIZE         0x00    /* u_int32_t, cache size */
  305 #define GDT_CSTAT_READ_CNT      0x04    /* u_int32_t, read counter */
  306 #define GDT_CSTAT_WRITE_CNT     0x08    /* u_int32_t, write counter */
  307 #define GDT_CSTAT_TR_HITS       0x0c    /* u_int32_t, track hits */
  308 #define GDT_CSTAT_SEC_HITS      0x10    /* u_int32_t, sector hits */
  309 #define GDT_CSTAT_SEC_MISS      0x14    /* u_int32_t, sector misses */
  310 #define GDT_CSTAT_SZ            0x18
  311 
  312 /* Get cache info */
  313 #define GDT_CINFO_CPAR          0x00
  314 #define GDT_CINFO_CSTAT         GDT_CPAR_SZ
  315 #define GDT_CINFO_SZ            (GDT_CPAR_SZ + GDT_CSTAT_SZ)
  316 
  317 /* Get board info */
  318 #define GDT_BINFO_SER_NO        0x00    /* u_int32_t, serial number */
  319 #define GDT_BINFO_OEM_ID        0x04    /* u_int8_t [2], OEM ID */
  320 #define GDT_BINFO_EP_FLAGS      0x06    /* u_int16_t, eprom flags */
  321 #define GDT_BINFO_PROC_ID       0x08    /* u_int32_t, processor ID */
  322 #define GDT_BINFO_MEMSIZE       0x0c    /* u_int32_t, memory size (bytes) */
  323 #define GDT_BINFO_MEM_BANKS     0x10    /* u_int8_t, memory banks */
  324 #define GDT_BINFO_CHAN_TYPE     0x11    /* u_int8_t, channel type */
  325 #define GDT_BINFO_CHAN_COUNT    0x12    /* u_int8_t, channel count */
  326 #define GDT_BINFO_RDONGLE_PRES  0x13    /* u_int8_t, dongle present */
  327 #define GDT_BINFO_EPR_FW_VER    0x14    /* u_int32_t, (eprom) firmware ver */
  328 #define GDT_BINFO_UPD_FW_VER    0x18    /* u_int32_t, (update) firmware ver */
  329 #define GDT_BINFO_UPD_REVISION  0x1c    /* u_int32_t, update revision */
  330 #define GDT_BINFO_TYPE_STRING   0x20    /* char [16], controller name */
  331 #define GDT_BINFO_RAID_STRING   0x30    /* char [16], RAID firmware name */
  332 #define GDT_BINFO_UPDATE_PRES   0x40    /* u_int8_t, update present? */
  333 #define GDT_BINFO_XOR_PRES      0x41    /* u_int8_t, XOR engine present */
  334 #define GDT_BINFO_PROM_TYPE     0x42    /* u_int8_t, ROM type (eprom/flash) */
  335 #define GDT_BINFO_PROM_COUNT    0x43    /* u_int8_t, number of ROM devices */
  336 #define GDT_BINFO_DUP_PRES      0x44    /* u_int32_t, duplexing module pres? */
  337 #define GDT_BINFO_CHAN_PRES     0x48    /* u_int32_t, # of exp. channels */
  338 #define GDT_BINFO_MEM_PRES      0x4c    /* u_int32_t, memory expansion inst? */
  339 #define GDT_BINFO_FT_BUS_SYSTEM 0x50    /* u_int8_t, fault bus supported? */
  340 #define GDT_BINFO_SUBTYPE_VALID 0x51    /* u_int8_t, board_subtype valid */
  341 #define GDT_BINFO_BOARD_SUBTYPE 0x52    /* u_int8_t, subtype/hardware level */
  342 #define GDT_BINFO_RAMPAR_PRES   0x53    /* u_int8_t, RAM parity check hw? */
  343 #define GDT_BINFO_SZ            0x54
  344 
  345 /* Get board features */
  346 #define GDT_BFEAT_CHAINING      0x00    /* u_int8_t, chaining supported */
  347 #define GDT_BFEAT_STRIPING      0x01    /* u_int8_t, striping (RAID-0) supp. */
  348 #define GDT_BFEAT_MIRRORING     0x02    /* u_int8_t, mirroring (RAID-1) supp */
  349 #define GDT_BFEAT_RAID          0x03    /* u_int8_t, RAID-4/5/10 supported */
  350 #define GDT_BFEAT_SZ            0x04
  351 
  352 /* Other defines */
  353 #define GDT_ASYNCINDEX  0       /* command index asynchronous event */
  354 #define GDT_SPEZINDEX   1       /* command index unknown service */
  355 
  356 /* Debugging */
  357 #ifdef GDT_DEBUG
  358 #define GDT_D_INTR      0x01
  359 #define GDT_D_MISC      0x02
  360 #define GDT_D_CMD       0x04
  361 #define GDT_D_QUEUE     0x08
  362 #define GDT_D_TIMEOUT   0x10
  363 #define GDT_D_INIT      0x20
  364 #define GDT_D_INVALID   0x40
  365 #define GDT_D_DEBUG     0x80
  366 extern int gdt_debug;
  367 #ifdef __SERIAL__
  368 extern int ser_printf(const char *fmt, ...);
  369 #define GDT_DPRINTF(mask, args) if (gdt_debug & (mask)) ser_printf args
  370 #else
  371 #define GDT_DPRINTF(mask, args) if (gdt_debug & (mask)) printf args
  372 #endif
  373 #else
  374 #define GDT_DPRINTF(mask, args)
  375 #endif
  376 
  377 /* Miscellaneous constants */
  378 #define GDT_RETRIES             100000000       /* 100000 * 1us = 100s */
  379 #define GDT_TIMEOUT             100000000       /* 100000 * 1us = 100s */
  380 #define GDT_POLL_TIMEOUT        10000000        /* 10000 * 1us = 10s */
  381 #define GDT_WATCH_TIMEOUT       10000000        /* 10000 * 1us = 10s */
  382 #define GDT_SCRATCH_SZ          3072            /* 3KB scratch buffer */
  383 
  384 /* Map minor numbers to device identity */
  385 #define LUN_MASK                0x0007
  386 #define TARGET_MASK             0x03f8
  387 #define BUS_MASK                0x1c00
  388 #define HBA_MASK                0xe000
  389 
  390 #define minor2lun(minor)        ( minor & LUN_MASK )
  391 #define minor2target(minor)     ( (minor & TARGET_MASK) >> 3 )
  392 #define minor2bus(minor)        ( (minor & BUS_MASK) >> 10 )
  393 #define minor2hba(minor)        ( (minor & HBA_MASK) >> 13 )
  394 #define hba2minor(hba)          ( (hba << 13) & HBA_MASK )
  395 
  396 
  397 /* struct for GDT_IOCTL_GENERAL */
  398 #pragma pack(1)
  399 typedef struct gdt_ucmd {
  400     u_int16_t   io_node;
  401     u_int16_t   service;
  402     u_int32_t   timeout;
  403     u_int16_t   status;
  404     u_int32_t   info;
  405 
  406     u_int32_t   BoardNode;                      /* board node (always 0) */
  407     u_int32_t   CommandIndex;                   /* command number */
  408     u_int16_t   OpCode;                         /* the command (READ,..) */
  409     union {
  410         struct {
  411             u_int16_t   DeviceNo;               /* number of cache drive */
  412             u_int32_t   BlockNo;                /* block number */
  413             u_int32_t   BlockCnt;               /* block count */
  414             void        *DestAddr;              /* data */
  415         } cache;                                /* cache service cmd. str. */
  416         struct {
  417             u_int16_t   param_size;             /* size of p_param buffer */
  418             u_int32_t   subfunc;                /* IOCTL function */
  419             u_int32_t   channel;                /* device */
  420             void        *p_param;               /* data */
  421         } ioctl;                                /* IOCTL command structure */
  422         struct {
  423             u_int16_t   reserved;
  424             u_int32_t   direction;              /* data direction */
  425             u_int32_t   mdisc_time;             /* disc. time (0: no timeout)*/
  426             u_int32_t   mcon_time;              /* connect time(0: no to.) */
  427             void        *sdata;                 /* dest. addr. (if s/g: -1) */
  428             u_int32_t   sdlen;                  /* data length (bytes) */
  429             u_int32_t   clen;                   /* SCSI cmd. length(6,10,12) */
  430             u_int8_t    cmd[12];                /* SCSI command */
  431             u_int8_t    target;                 /* target ID */
  432             u_int8_t    lun;                    /* LUN */
  433             u_int8_t    bus;                    /* SCSI bus number */
  434             u_int8_t    priority;               /* only 0 used */
  435             u_int32_t   sense_len;              /* sense data length */
  436             void        *sense_data;            /* sense data addr. */
  437             u_int32_t   link_p;                 /* linked cmds (not supp.) */
  438         } raw;                                  /* raw service cmd. struct. */
  439     } u;
  440     u_int8_t            data[GDT_SCRATCH_SZ];
  441     int                 complete_flag;
  442     TAILQ_ENTRY(gdt_ucmd) links;
  443 } gdt_ucmd_t;
  444 
  445 /* struct for GDT_IOCTL_CTRTYPE */
  446 typedef struct gdt_ctrt {
  447     u_int16_t io_node;
  448     u_int16_t oem_id;
  449     u_int16_t type;
  450     u_int32_t info;
  451     u_int8_t  access;
  452     u_int8_t  remote;
  453     u_int16_t ext_type;
  454     u_int16_t device_id;
  455     u_int16_t sub_device_id;
  456 } gdt_ctrt_t;
  457 
  458 /* struct for GDT_IOCTL_OSVERS */
  459 typedef struct gdt_osv {
  460     u_int8_t  oscode;
  461     u_int8_t  version;
  462     u_int8_t  subversion;
  463     u_int16_t revision;
  464     char      name[64];
  465 } gdt_osv_t;
  466 
  467 /* OEM */
  468 #define GDT_OEM_VERSION     0x00
  469 #define GDT_OEM_BUFSIZE     0x0c
  470 typedef struct {
  471     u_int32_t ctl_version;
  472     u_int32_t file_major_version;
  473     u_int32_t file_minor_version;
  474     u_int32_t buffer_size;
  475     u_int32_t cpy_count;
  476     u_int32_t ext_error;
  477     u_int32_t oem_id;
  478     u_int32_t board_id;
  479 } gdt_oem_param_t;
  480 
  481 typedef struct {
  482     char      product_0_1_name[16];
  483     char      product_4_5_name[16];
  484     char      product_cluster_name[16];
  485     char      product_reserved[16];
  486     char      scsi_cluster_target_vendor_id[16];
  487     char      cluster_raid_fw_name[16];
  488     char      oem_brand_name[16];
  489     char      oem_raid_type[16];
  490     char      bios_type[13];
  491     char      bios_title[50];
  492     char      oem_company_name[37];
  493     u_int32_t pci_id_1;
  494     u_int32_t pci_id_2;
  495     char      validation_status[80];
  496     char      reserved_1[4];
  497     char      scsi_host_drive_inquiry_vendor_id[16];
  498     char      library_file_template[32];
  499     char      tool_name_1[32];
  500     char      tool_name_2[32];
  501     char      tool_name_3[32];
  502     char      oem_contact_1[84];
  503     char      oem_contact_2[84];
  504     char      oem_contact_3[84];
  505 } gdt_oem_record_t;
  506 
  507 typedef struct {
  508     gdt_oem_param_t  parameters;
  509     gdt_oem_record_t text;
  510 } gdt_oem_str_record_t;
  511 
  512 
  513 /* controller event structure */
  514 #define GDT_ES_ASYNC    1
  515 #define GDT_ES_DRIVER   2
  516 #define GDT_ES_TEST     3
  517 #define GDT_ES_SYNC     4
  518 typedef struct {
  519     u_int16_t           size;               /* size of structure */
  520     union {
  521         char            stream[16];
  522         struct {
  523             u_int16_t   ionode;
  524             u_int16_t   service;
  525             u_int32_t   index;
  526         } driver;
  527         struct {
  528             u_int16_t   ionode;
  529             u_int16_t   service;
  530             u_int16_t   status;
  531             u_int32_t   info;
  532             u_int8_t    scsi_coord[3];
  533         } async;
  534         struct {
  535             u_int16_t   ionode;
  536             u_int16_t   service;
  537             u_int16_t   status;
  538             u_int32_t   info;
  539             u_int16_t   hostdrive;
  540             u_int8_t    scsi_coord[3];
  541             u_int8_t    sense_key;
  542         } sync;
  543         struct {
  544             u_int32_t   l1, l2, l3, l4;
  545         } test;
  546     } eu;
  547     u_int32_t           severity;
  548     u_int8_t            event_string[256];          
  549 } gdt_evt_data;
  550 
  551 /* dvrevt structure */
  552 typedef struct {
  553     u_int32_t           first_stamp;
  554     u_int32_t           last_stamp;
  555     u_int16_t           same_count;
  556     u_int16_t           event_source;
  557     u_int16_t           event_idx;
  558     u_int8_t            application;
  559     u_int8_t            reserved;
  560     gdt_evt_data        event_data;
  561 } gdt_evt_str;
  562 
  563 /* struct for GDT_IOCTL_EVENT */
  564 typedef struct gdt_event {
  565     int erase;
  566     int handle;
  567     gdt_evt_str dvr;
  568 } gdt_event_t;
  569 
  570 /* struct for GDT_IOCTL_STATIST */
  571 typedef struct gdt_statist {
  572     u_int16_t io_count_act;
  573     u_int16_t io_count_max;
  574     u_int16_t req_queue_act;
  575     u_int16_t req_queue_max;
  576     u_int16_t cmd_index_act;
  577     u_int16_t cmd_index_max;
  578     u_int16_t sg_count_act;
  579     u_int16_t sg_count_max;
  580 } gdt_statist_t;
  581 
  582 #pragma pack()
  583 
  584 /* Context structure for interrupt services */
  585 struct gdt_intr_ctx {
  586     u_int32_t info, info2;
  587     u_int16_t cmd_status, service;
  588     u_int8_t istatus;
  589 };
  590 
  591 /* softc structure */
  592 struct gdt_softc {
  593     device_t sc_devnode;
  594     int sc_hanum;
  595     int sc_class;               /* Controller class */
  596 #define GDT_MPR         0x05
  597 #define GDT_CLASS_MASK  0x07
  598 #define GDT_FC          0x10
  599 #define GDT_CLASS(gdt)  ((gdt)->sc_class & GDT_CLASS_MASK)
  600     int sc_bus, sc_slot;
  601     u_int16_t sc_vendor;
  602     u_int16_t sc_device, sc_subdevice;
  603     u_int16_t sc_fw_vers;
  604     int sc_init_level;
  605     int sc_state;
  606 #define GDT_NORMAL      0x00
  607 #define GDT_POLLING     0x01
  608 #define GDT_SHUTDOWN    0x02
  609 #define GDT_POLL_WAIT   0x80
  610     struct cdev *sc_dev;
  611     bus_space_tag_t sc_dpmemt;
  612     bus_space_handle_t sc_dpmemh;
  613     bus_addr_t sc_dpmembase;
  614     bus_dma_tag_t sc_parent_dmat;
  615     bus_dma_tag_t sc_buffer_dmat;
  616     bus_dma_tag_t sc_gcscratch_dmat;
  617     bus_dmamap_t sc_gcscratch_dmamap;
  618     bus_addr_t sc_gcscratch_busbase;
  619 
  620     struct gdt_ccb *sc_gccbs;
  621     u_int8_t  *sc_gcscratch;
  622     SLIST_HEAD(, gdt_ccb) sc_free_gccb, sc_pending_gccb;
  623     TAILQ_HEAD(, ccb_hdr) sc_ccb_queue;
  624     TAILQ_HEAD(, gdt_ucmd) sc_ucmd_queue;
  625 
  626     u_int16_t sc_ic_all_size;
  627     u_int16_t sc_cmd_off;
  628     u_int16_t sc_cmd_cnt;
  629 
  630     u_int32_t sc_info;
  631     u_int32_t sc_info2;
  632     u_int16_t sc_status;
  633     u_int16_t sc_service;
  634 
  635     u_int8_t sc_bus_cnt;
  636     u_int8_t sc_virt_bus;
  637     u_int8_t sc_bus_id[GDT_MAXBUS];
  638     u_int8_t sc_more_proc;
  639 
  640     struct {
  641         u_int8_t hd_present;
  642         u_int8_t hd_is_logdrv;
  643         u_int8_t hd_is_arraydrv;
  644         u_int8_t hd_is_master;
  645         u_int8_t hd_is_parity;
  646         u_int8_t hd_is_hotfix;
  647         u_int8_t hd_master_no;
  648         u_int8_t hd_lock;
  649         u_int8_t hd_heads;
  650         u_int8_t hd_secs;
  651         u_int16_t hd_devtype;
  652         u_int32_t hd_size;
  653         u_int8_t hd_ldr_no;
  654         u_int8_t hd_rw_attribs;
  655         u_int32_t hd_start_sec;
  656     } sc_hdr[GDT_MAX_HDRIVES];
  657 
  658     u_int16_t sc_raw_feat;
  659     u_int16_t sc_cache_feat;
  660 
  661     gdt_evt_data sc_dvr;
  662     char oem_name[8];
  663 
  664     struct cam_sim *sims[GDT_MAXBUS];
  665     struct cam_path *paths[GDT_MAXBUS];
  666 
  667     void (*sc_copy_cmd)(struct gdt_softc *, struct gdt_ccb *);
  668     u_int8_t (*sc_get_status)(struct gdt_softc *);
  669     void (*sc_intr)(struct gdt_softc *, struct gdt_intr_ctx *);
  670     void (*sc_release_event)(struct gdt_softc *);
  671     void (*sc_set_sema0)(struct gdt_softc *);
  672     int (*sc_test_busy)(struct gdt_softc *);
  673 
  674     TAILQ_ENTRY(gdt_softc) links;
  675 };
  676 
  677 /*
  678  * A command control block, one for each corresponding command index of the
  679  * controller.
  680  */
  681 struct gdt_ccb {
  682     u_int8_t    *gc_scratch;
  683     bus_addr_t  gc_scratch_busbase;
  684     union ccb   *gc_ccb;
  685     gdt_ucmd_t  *gc_ucmd;
  686     bus_dmamap_t gc_dmamap;
  687     int         gc_map_flag;
  688     int         gc_timeout;
  689     u_int8_t    gc_service;
  690     u_int8_t    gc_cmd_index;
  691     u_int8_t    gc_flags;
  692 #define GDT_GCF_UNUSED          0       
  693 #define GDT_GCF_INTERNAL        1
  694 #define GDT_GCF_SCREEN          2
  695 #define GDT_GCF_SCSI            3
  696 #define GDT_GCF_IOCTL           4
  697     u_int16_t   gc_cmd_len;
  698     u_int8_t    gc_cmd[GDT_CMD_SZ];
  699     SLIST_ENTRY(gdt_ccb) sle;
  700 };
  701 
  702 
  703 int     iir_init(struct gdt_softc *);
  704 void    iir_free(struct gdt_softc *);
  705 void    iir_attach(struct gdt_softc *);
  706 void    iir_intr(void *arg);
  707 
  708 #ifdef __CC_SUPPORTS___INLINE__
  709 /* These all require correctly aligned buffers */
  710 static __inline__ void gdt_enc16(u_int8_t *, u_int16_t);
  711 static __inline__ void gdt_enc32(u_int8_t *, u_int32_t);
  712 static __inline__ u_int16_t gdt_dec16(u_int8_t *);
  713 static __inline__ u_int32_t gdt_dec32(u_int8_t *);
  714 
  715 static __inline__ void
  716 gdt_enc16(u_int8_t *addr, u_int16_t value)
  717 {
  718         *(u_int16_t *)addr = htole16(value);
  719 }
  720 
  721 static __inline__ void
  722 gdt_enc32(u_int8_t *addr, u_int32_t value)
  723 {
  724         *(u_int32_t *)addr = htole32(value);
  725 }
  726 
  727 static __inline__ u_int16_t
  728 gdt_dec16(u_int8_t *addr)
  729 {
  730         return le16toh(*(u_int16_t *)addr);
  731 }
  732 
  733 static __inline__ u_int32_t
  734 gdt_dec32(u_int8_t *addr)
  735 {
  736         return le32toh(*(u_int32_t *)addr);
  737 }
  738 #endif
  739 
  740 extern TAILQ_HEAD(gdt_softc_list, gdt_softc) gdt_softcs;
  741 extern u_int8_t gdt_polling;
  742 
  743 struct cdev *gdt_make_dev(int unit);
  744 void    gdt_destroy_dev(struct cdev *dev);
  745 void    gdt_next(struct gdt_softc *gdt);
  746 void gdt_free_ccb(struct gdt_softc *gdt, struct gdt_ccb *gccb);
  747 
  748 gdt_evt_str *gdt_store_event(u_int16_t source, u_int16_t idx,
  749                              gdt_evt_data *evt);
  750 int gdt_read_event(int handle, gdt_evt_str *estr);
  751 void gdt_readapp_event(u_int8_t app, gdt_evt_str *estr);
  752 void gdt_clear_events(void);
  753 
  754 #endif

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