1/* $FreeBSD$ */
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_IIR     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
366extern int gdt_debug;
367#ifdef __SERIAL__
368extern 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)
399typedef 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 */
446typedef 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 */
459typedef 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
470typedef 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
481typedef 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
507typedef 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
518typedef 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 */
552typedef 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 */
564typedef 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 */
571typedef 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 */
585struct 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 */
592struct gdt_softc {
593    device_t sc_devnode;
594    struct mtx sc_lock;
595    int sc_hanum;
596    int sc_class;               /* Controller class */
597#define GDT_MPR         0x05
598#define GDT_CLASS_MASK  0x07
599#define GDT_FC          0x10
600#define GDT_CLASS(gdt)  ((gdt)->sc_class & GDT_CLASS_MASK)
601    int sc_bus, sc_slot;
602    u_int16_t sc_vendor;
603    u_int16_t sc_device, sc_subdevice;
604    u_int16_t sc_fw_vers;
605    int sc_init_level;
606    int sc_state;
607#define GDT_NORMAL      0x00
608#define GDT_POLLING     0x01
609#define GDT_SHUTDOWN    0x02
610#define GDT_POLL_WAIT   0x80
611    struct cdev *sc_dev;
612    struct resource *sc_dpmem;
613    bus_dma_tag_t sc_parent_dmat;
614    bus_dma_tag_t sc_buffer_dmat;
615    bus_dma_tag_t sc_gcscratch_dmat;
616    bus_dmamap_t sc_gcscratch_dmamap;
617    bus_addr_t sc_gcscratch_busbase;
618
619    struct gdt_ccb *sc_gccbs;
620    u_int8_t  *sc_gcscratch;
621    SLIST_HEAD(, gdt_ccb) sc_free_gccb, sc_pending_gccb;
622    TAILQ_HEAD(, ccb_hdr) sc_ccb_queue;
623    TAILQ_HEAD(, gdt_ucmd) sc_ucmd_queue;
624
625    u_int16_t sc_ic_all_size;
626    u_int16_t sc_cmd_off;
627    u_int16_t sc_cmd_cnt;
628
629    u_int32_t sc_info;
630    u_int32_t sc_info2;
631    u_int16_t sc_status;
632    u_int16_t sc_service;
633
634    u_int8_t sc_bus_cnt;
635    u_int8_t sc_virt_bus;
636    u_int8_t sc_bus_id[GDT_MAXBUS];
637    u_int8_t sc_more_proc;
638
639    struct {
640        u_int8_t hd_present;
641        u_int8_t hd_is_logdrv;
642        u_int8_t hd_is_arraydrv;
643        u_int8_t hd_is_master;
644        u_int8_t hd_is_parity;
645        u_int8_t hd_is_hotfix;
646        u_int8_t hd_master_no;
647        u_int8_t hd_lock;
648        u_int8_t hd_heads;
649        u_int8_t hd_secs;
650        u_int16_t hd_devtype;
651        u_int32_t hd_size;
652        u_int8_t hd_ldr_no;
653        u_int8_t hd_rw_attribs;
654        u_int32_t hd_start_sec;
655    } sc_hdr[GDT_MAX_HDRIVES];
656
657    u_int16_t sc_raw_feat;
658    u_int16_t sc_cache_feat;
659
660    gdt_evt_data sc_dvr;
661    char oem_name[8];
662
663    struct cam_sim *sims[GDT_MAXBUS];
664    struct cam_path *paths[GDT_MAXBUS];
665
666    void (*sc_copy_cmd)(struct gdt_softc *, struct gdt_ccb *);
667    u_int8_t (*sc_get_status)(struct gdt_softc *);
668    void (*sc_intr)(struct gdt_softc *, struct gdt_intr_ctx *);
669    void (*sc_release_event)(struct gdt_softc *);
670    void (*sc_set_sema0)(struct gdt_softc *);
671    int (*sc_test_busy)(struct gdt_softc *);
672
673    TAILQ_ENTRY(gdt_softc) links;
674};
675
676/*
677 * A command control block, one for each corresponding command index of the
678 * controller.
679 */
680struct gdt_ccb {
681    u_int8_t    *gc_scratch;
682    bus_addr_t  gc_scratch_busbase;
683    union ccb   *gc_ccb;
684    gdt_ucmd_t  *gc_ucmd;
685    bus_dmamap_t gc_dmamap;
686    struct callout gc_timeout;
687    int         gc_map_flag;
688    u_int8_t    gc_service;
689    u_int8_t    gc_cmd_index;
690    u_int8_t    gc_flags;
691#define GDT_GCF_UNUSED          0
692#define GDT_GCF_INTERNAL        1
693#define GDT_GCF_SCREEN          2
694#define GDT_GCF_SCSI            3
695#define GDT_GCF_IOCTL           4
696    u_int16_t	gc_cmd_len;
697    u_int8_t	gc_cmd[GDT_CMD_SZ];
698    SLIST_ENTRY(gdt_ccb) sle;
699};
700
701
702int     iir_init(struct gdt_softc *);
703void    iir_free(struct gdt_softc *);
704void    iir_attach(struct gdt_softc *);
705void    iir_intr(void *arg);
706
707#ifdef __CC_SUPPORTS___INLINE__
708/* These all require correctly aligned buffers */
709static __inline__ void gdt_enc16(u_int8_t *, u_int16_t);
710static __inline__ void gdt_enc32(u_int8_t *, u_int32_t);
711static __inline__ u_int16_t gdt_dec16(u_int8_t *);
712static __inline__ u_int32_t gdt_dec32(u_int8_t *);
713
714static __inline__ void
715gdt_enc16(u_int8_t *addr, u_int16_t value)
716{
717        *(u_int16_t *)addr = htole16(value);
718}
719
720static __inline__ void
721gdt_enc32(u_int8_t *addr, u_int32_t value)
722{
723        *(u_int32_t *)addr = htole32(value);
724}
725
726static __inline__ u_int16_t
727gdt_dec16(u_int8_t *addr)
728{
729        return le16toh(*(u_int16_t *)addr);
730}
731
732static __inline__ u_int32_t
733gdt_dec32(u_int8_t *addr)
734{
735        return le32toh(*(u_int32_t *)addr);
736}
737#endif
738
739extern u_int8_t gdt_polling;
740
741struct cdev *gdt_make_dev(struct gdt_softc *gdt);
742void    gdt_destroy_dev(struct cdev *dev);
743void    gdt_next(struct gdt_softc *gdt);
744void gdt_free_ccb(struct gdt_softc *gdt, struct gdt_ccb *gccb);
745
746void gdt_store_event(u_int16_t source, u_int16_t idx,
747                             gdt_evt_data *evt);
748int gdt_read_event(int handle, gdt_evt_str *estr);
749void gdt_readapp_event(u_int8_t app, gdt_evt_str *estr);
750void gdt_clear_events(void);
751
752#endif
753