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      1 /*	$NetBSD: icpreg.h,v 1.7 2008/09/08 23:36:54 gmcgarry Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2002 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Andrew Doran.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 /*
     33  * Copyright (c) 1999, 2000 Niklas Hallqvist.  All rights reserved.
     34  *
     35  * Redistribution and use in source and binary forms, with or without
     36  * modification, are permitted provided that the following conditions
     37  * are met:
     38  * 1. Redistributions of source code must retain the above copyright
     39  *    notice, this list of conditions and the following disclaimer.
     40  * 2. Redistributions in binary form must reproduce the above copyright
     41  *    notice, this list of conditions and the following disclaimer in the
     42  *    documentation and/or other materials provided with the distribution.
     43  * 3. All advertising materials mentioning features or use of this software
     44  *    must display the following acknowledgement:
     45  *	This product includes software developed by Niklas Hallqvist.
     46  * 4. The name of the author may not be used to endorse or promote products
     47  *    derived from this software without specific prior written permission.
     48  *
     49  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     50  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     51  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     52  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     53  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     54  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     55  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     56  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     57  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     58  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     59  *
     60  * from OpenBSD: gdtreg.h,v 1.1 2000/02/07 00:33:03 niklas Exp
     61  */
     62 
     63 #ifndef _IC_ICPREG_H_
     64 #define _IC_ICPREG_H_
     65 
     66 #define ICP_MAXBUS		6	/* XXX Why not 5? */
     67 #define ICP_MAX_LDRIVES		255	/* max logical drive count */
     68 #define ICP_MAX_HDRIVES		100	/* max host drive count */
     69 #define ICP_MAXID_FC		127	/* Fibre-channel maximum ID */
     70 #define ICP_MAXOFFSETS		128
     71 #define ICP_MAXSG		17	/* Max. s/g elements; actually 128 */
     72 #define ICP_PROTOCOL_VERSION	1
     73 #define ICP_LINUX_OS		8	/* Used for cache optimization */
     74 #define ICP_SCATTER_GATHER	1	/* s/g feature */
     75 #define ICP_SECS32		0x1f	/* round capacity */
     76 #define ICP_LOCALBOARD		0	/* Board node always 0 */
     77 #define ICP_MAX_CMDS		124
     78 #define ICP_SECTOR_SIZE		0x200	/* Always 512 bytes for cache devs */
     79 #define	ICP_MAX_EVENTS		0x100	/* event buffer */
     80 
     81 /* DPMEM constants */
     82 #define ICP_MPR_MAGIC		0xc0ffee11
     83 #define ICP_IC_HEADER_BYTES	48
     84 #define ICP_IC_QUEUE_BYTES	4
     85 
     86 /* Cache/raw service commands */
     87 #define ICP_INIT	0		/* service initialization */
     88 #define ICP_READ	1		/* read command */
     89 #define ICP_WRITE	2		/* write command */
     90 #define ICP_INFO	3		/* information about devices */
     91 #define ICP_FLUSH	4		/* flush dirty cache buffers */
     92 #define ICP_IOCTL	5		/* ioctl command */
     93 #define ICP_DEVTYPE	9		/* additional information */
     94 #define ICP_MOUNT	10		/* mount cache device */
     95 #define ICP_UNMOUNT	11		/* unmount cache device */
     96 #define ICP_SET_FEAT	12		/* set features (scatter/gather) */
     97 #define ICP_GET_FEAT	13		/* get features */
     98 #define ICP_WRITE_THR	16		/* write through */
     99 #define ICP_READ_THR	17		/* read through */
    100 #define ICP_EXT_INFO	18		/* extended info */
    101 #define ICP_RESET	19		/* controller reset */
    102 #define ICP_FREEZE_IO	25		/* freeze all IOs */
    103 #define ICP_UNFREEZE_IO	26		/* unfreeze all IOs */
    104 
    105 /* Additional raw service commands */
    106 #define ICP_RESERVE	14		/* reserve device to raw service */
    107 #define ICP_RELEASE	15		/* release device */
    108 #define ICP_RESERVE_ALL 16		/* reserve all devices */
    109 #define ICP_RELEASE_ALL 17		/* release all devices */
    110 #define ICP_RESET_BUS	18		/* reset bus */
    111 #define ICP_SCAN_START	19		/* start device scan */
    112 #define ICP_SCAN_END	20		/* stop device scan */
    113 
    114 /* IOCTL command defines */
    115 #define ICP_SCSI_DR_INFO	0x00	/* SCSI drive info */
    116 #define ICP_SCSI_CHAN_CNT	0x05	/* SCSI channel count */
    117 #define ICP_SCSI_DR_LIST	0x06	/* SCSI drive list */
    118 #define ICP_SCSI_DEF_CNT	0x15	/* grown/primary defects */
    119 #define ICP_DSK_STATISTICS	0x4b	/* SCSI disk statistics */
    120 #define ICP_IOCHAN_DESC		0x5d	/* description of IO channel */
    121 #define ICP_IOCHAN_RAW_DESC	0x5e	/* description of raw IO channel */
    122 
    123 #define ICP_L_CTRL_PATTERN	0x20000000	/* SCSI IOCTL mask */
    124 #define ICP_ARRAY_INFO		0x12		/* array drive info */
    125 #define ICP_ARRAY_DRV_LIST	0x0f		/* array drive list */
    126 #define ICP_LA_CTRL_PATTERN	0x10000000	/* array IOCTL mask */
    127 #define ICP_CACHE_DRV_CNT	0x01		/* cache drive count */
    128 #define ICP_CACHE_DRV_LIST	0x02		/* cache drive list */
    129 #define ICP_CACHE_INFO		0x04		/* cache info */
    130 #define ICP_CACHE_CONFIG	0x05		/* cache configuration */
    131 #define ICP_CACHE_DRV_INFO	0x07		/* cache drive info */
    132 #define ICP_BOARD_FEATURES	0x15		/* controller features */
    133 #define ICP_BOARD_INFO		0x28		/* controller info */
    134 #define ICP_HOST_GET		0x10001		/* get host drive list */
    135 #define ICP_IO_CHANNEL		0x20000		/* default IO channel */
    136 #define ICP_INVALID_CHANNEL	0xffff		/* invalid channel */
    137 
    138 /* Service errors */
    139 #define	ICP_S_MSG_REQUEST	0	/* screen service: async evt message */
    140 #define ICP_S_OK		1	/* no error */
    141 #define ICP_S_BSY		7	/* controller busy */
    142 #define ICP_S_RAW_SCSI		12	/* raw service: target error */
    143 #define ICP_S_RAW_ILL		0xff	/* raw service: illegal */
    144 #define ICP_S_NO_STATUS		0x1000	/* got no status (driver-generated) */
    145 
    146 /* Controller services */
    147 #define ICP_SCSIRAWSERVICE	3
    148 #define ICP_CACHESERVICE	9
    149 #define ICP_SCREENSERVICE	11
    150 
    151 /* Data direction raw service. */
    152 #define	ICP_DATA_IN		0x01000000
    153 #define	ICP_DATA_OUT		0x00000000
    154 
    155 /* Command queue entries */
    156 #define ICP_OFFSET	0x00	/* u_int16_t, command offset in the DP RAM */
    157 #define ICP_SERV_ID	0x02	/* u_int16_t, service */
    158 #define ICP_COMM_Q_SZ	0x04
    159 
    160 /* Interface area */
    161 #define ICP_S_CMD_INDX	0x00	/* u_int8_t, special command */
    162 #define	ICP_S_STATUS	0x01	/* volatile u_int8_t, status special command */
    163 #define ICP_S_INFO	0x04	/* u_int32_t [4], add. info special command */
    164 #define ICP_SEMA0	0x14	/* volatile u_int8_t, command semaphore */
    165 #define ICP_CMD_INDEX	0x18	/* u_int8_t, command number */
    166 #define ICP_STATUS	0x1c	/* volatile u_int16_t, command status */
    167 #define ICP_SERVICE	0x1e	/* u_int16_t, service (for asynch. events) */
    168 #define ICP_DPR_INFO	0x20	/* u_int32_t [2], additional info */
    169 #define ICP_COMM_QUEUE	0x28	/* command queue */
    170 #define ICP_DPR_CMD	(0x30 + ICP_MAXOFFSETS * ICP_COMM_Q_SZ)
    171 				/* u_int8_t [], commands */
    172 #define ICP_DPR_IF_SZ	ICP_DPR_CMD
    173 
    174 /* Get cache info */
    175 #define ICP_CINFO_CPAR		0x00
    176 #define ICP_CINFO_CSTAT		0x0c
    177 
    178 /* Other defines */
    179 #define ICP_ASYNCINDEX	0	/* command index asynchronous event */
    180 #define ICP_SPEZINDEX	1	/* command index unknown service */
    181 
    182 /* I/O channel header */
    183 struct icp_ioc_version {
    184 	u_int32_t	iv_version;	/* version (~0: newest) */
    185 	u_int8_t	iv_listents;	/* list entry count */
    186 	u_int8_t	iv_firstchan;	/* first channel number */
    187 	u_int8_t	iv_lastchan;	/* last channel number */
    188 	u_int8_t	iv_chancount;	/* channel count */
    189 	u_int32_t	iv_listoffset;	/* offset of list[0] */
    190 } __packed;
    191 
    192 #define	ICP_IOC_NEWEST	0xffffffff
    193 
    194 /* Get I/O channel description */
    195 struct icp_ioc {
    196 	u_int32_t	io_addr;	/* channel address */
    197 	u_int8_t	io_type;	/* type (SCSI/FCAL) */
    198 	u_int8_t	io_localno;	/* local number */
    199 	u_int16_t	io_features;	/* channel features */
    200 } __packed;
    201 
    202 /* Get raw I/O channel description */
    203 struct icp_rawioc {
    204 	u_int8_t	ri_procid;	/* processor ID */
    205 	u_int8_t	ri_defect;	/* defect? */
    206 	u_int16_t	ri_padding;
    207 } __packed;
    208 
    209 /* Get SCSI channel count */
    210 struct icp_getch {
    211 	u_int32_t	gc_channo;	/* channel number */
    212 	u_int32_t	gc_drivecnt;	/* drive count */
    213 	u_int8_t	gc_scsiid;	/* SCSI initiator ID */
    214 	u_int8_t	gc_scsistate;	/* SCSI processor state */
    215 } __packed;
    216 
    217 /* Cache info/config IOCTL structures */
    218 struct icp_cpar {
    219 	u_int32_t	cp_version;	/* firmware version */
    220 	u_int16_t	cp_state;	/* cache state (on/off) */
    221 	u_int16_t	cp_strategy;	/* cache strategy */
    222 	u_int16_t	cp_write_back;	/* write back (on/off) */
    223 	u_int16_t	cp_block_size;	/* cache block size */
    224 } __packed;
    225 
    226 struct icp_cstat {
    227 	u_int32_t	cs_size;	/* cache size */
    228 	u_int32_t	cs_readcnt;	/* read counter */
    229 	u_int32_t	cs_writecnt;	/* write counter */
    230 	u_int32_t	cs_trhits;	/* track hits */
    231 	u_int32_t	cs_sechits;	/* sector hits */
    232 	u_int32_t	cs_secmiss;	/* sector misses */
    233 } __packed;
    234 
    235 /* Board information. */
    236 struct icp_binfo {
    237 	u_int32_t	bi_ser_no;		/* serial number */
    238 	u_int8_t	bi_oem_id[2];		/* OEM ID */
    239 	u_int16_t	bi_ep_flags;		/* eprom flags */
    240 	u_int32_t	bi_proc_id;		/* processor ID */
    241 	u_int32_t	bi_memsize;		/* memory size (bytes) */
    242 	u_int8_t	bi_mem_banks;		/* memory banks */
    243 	u_int8_t	bi_chan_type;		/* channel type */
    244 	u_int8_t	bi_chan_count;		/* channel count */
    245 	u_int8_t	bi_rdongle_pres;	/* dongle present */
    246 	u_int32_t	bi_epr_fw_ver;		/* (eprom) firmware ver */
    247 	u_int32_t	bi_upd_fw_ver;		/* (update) firmware ver */
    248 	u_int32_t	bi_upd_revision;	/* update revision */
    249 	char		bi_type_string[16];	/* char controller name */
    250 	char		bi_raid_string[16];	/* char RAID firmware name */
    251 	u_int8_t	bi_update_pres;		/* update present? */
    252 	u_int8_t	bi_xor_pres;		/* XOR engine present */
    253 	u_int8_t	bi_prom_type;		/* ROM type (eprom/flash) */
    254 	u_int8_t	bi_prom_count;		/* number of ROM devices */
    255 	u_int32_t	bi_dup_pres;		/* duplexing module pres? */
    256 	u_int32_t	bi_chan_pres;		/* # of exp. channels */
    257 	u_int32_t	bi_mem_pres;		/* memory expansion inst? */
    258 	u_int8_t	bi_ft_bus_system;	/* fault bus supported? */
    259 	u_int8_t	bi_subtype_valid;	/* board_subtype valid */
    260 	u_int8_t	bi_board_subtype;	/* subtype/hardware level */
    261 	u_int8_t	bi_rampar_pres;		/* RAM parity check hw? */
    262 } __packed;
    263 
    264 /* Board features. */
    265 struct icp_bfeat {
    266 	u_int8_t	bf_chaining;	/* chaining supported */
    267 	u_int8_t	bf_striping;	/* striping (RAID-0) supported */
    268 	u_int8_t	bf_mirroring;	/* mirroring (RAID-1) supported */
    269 	u_int8_t	bf_raid;	/* RAID-4/5/10 supported */
    270 } __packed;
    271 
    272 /* Cache drive information. */
    273 struct icp_cdevinfo {
    274 	char		cd_name[8];
    275 	u_int32_t	cd_devtype;
    276 	u_int32_t	cd_ldcnt;
    277 	u_int32_t	cd_last_error;
    278 	u_int8_t	cd_initialized;
    279 	u_int8_t	cd_removable;
    280 	u_int8_t	cd_write_protected;
    281 	u_int8_t	cd_flags;
    282 	u_int32_t	ld_blkcnt;
    283 	u_int32_t	ld_blksize;
    284 	u_int32_t	ld_dcnt;
    285 	u_int32_t	ld_slave;
    286 	u_int32_t	ld_dtype;
    287 	u_int32_t	ld_last_error;
    288 	char		ld_name[8];
    289 	u_int8_t	ld_error;
    290 } __packed;
    291 
    292 struct icp_sg {
    293 	u_int32_t	sg_addr;
    294 	u_int32_t	sg_len;
    295 } __packed;
    296 
    297 struct icp_cachecmd {
    298 	u_int16_t	cc_deviceno;
    299 	u_int32_t	cc_blockno;
    300 	u_int32_t	cc_blockcnt;
    301 	u_int32_t	cc_addr;		/* ~0 == s/g */
    302 	u_int32_t	cc_nsgent;
    303 	struct icp_sg	cc_sg[ICP_MAXSG];
    304 } __packed;
    305 
    306 struct icp_ioctlcmd {
    307 	u_int16_t	ic_bufsize;
    308 	u_int32_t	ic_subfunc;
    309 	u_int32_t	ic_channel;
    310 	u_int32_t	ic_addr;
    311 } __packed;
    312 
    313 struct icp_screencmd {
    314 	u_int32_t	sc_msghandle;
    315 	u_int32_t	sc_msgaddr;
    316 } __packed;
    317 
    318 struct icp_rawcmd {
    319 	u_int16_t	rc_padding0;		/* unused */
    320 	u_int32_t	rc_direction;		/* data direction */
    321 	u_int32_t	rc_mdisc_time;		/* disc. time (0: none) */
    322 	u_int32_t	rc_mcon_time;		/* conn. time (0: none) */
    323 	u_int32_t	rc_sdata;		/* dest address */
    324 	u_int32_t	rc_sdlen;		/* data length */
    325 	u_int32_t	rc_clen;		/* CDB length */
    326 	u_int8_t	rc_cdb[12];		/* SCSI CDB */
    327 	u_int8_t	rc_target;		/* target ID */
    328 	u_int8_t	rc_lun;			/* LUN */
    329 	u_int8_t	rc_bus;			/* channel */
    330 	u_int8_t	rc_priority;		/* priority; 0 only */
    331 	u_int32_t	rc_sense_len;		/* sense length */
    332 	u_int32_t	rc_sense_addr;		/* sense address */
    333 	u_int32_t	rc_padding1;		/* unused */
    334 	u_int32_t	rc_nsgent;		/* s/g element count */
    335 	struct icp_sg	rc_sg[ICP_MAXSG];	/* s/g list */
    336 } __packed;
    337 
    338 struct icp_cmdhdr {
    339 	u_int32_t	cmd_boardnode;		/* always 0 */
    340 	u_int32_t	cmd_cmdindex;		/* command identifier */
    341 	u_int16_t	cmd_opcode;
    342 } __packed;
    343 
    344 struct icp_cmd {
    345 	u_int32_t	cmd_boardnode;		/* always 0 */
    346 	u_int32_t	cmd_cmdindex;		/* command identifier */
    347 	u_int16_t	cmd_opcode;
    348 
    349 	union {
    350 		struct icp_rawcmd	rc;
    351 		struct icp_screencmd	sc;
    352 		struct icp_ioctlcmd	ic;
    353 		struct icp_cachecmd	cc;
    354 	} cmd_packet;
    355 } __packed;
    356 
    357 #endif	/* !_IC_ICPREG_H_ */
    358