iir.h revision 91394
1/* $FreeBSD: head/sys/dev/iir/iir.h 91394 2002-02-27 17:16:18Z tmm $ */
2/*
3 *       Copyright (c) 2000-01 Intel Corporation
4 *       All Rights Reserved
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions, and the following disclaimer,
11 *    without modification, immediately at the beginning of the file.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. The name of the author may not be used to endorse or promote products
16 *    derived from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
22 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 *
30 */
31
32/*
33 *
34 * iir.h:       Definitions/Constants used by the Intel Integrated RAID driver
35 *
36 * Written by: 	Achim Leubner <achim.leubner@intel.com>
37 * Fixes/Additions:	Boji Tony Kannanthanam <boji.t.kannanthanam@intel.com>
38 *
39 * credits:     Niklas Hallqvist;       OpenBSD driver for the ICP Controllers.
40 *              FreeBSD.ORG;            Great O/S to work on and for.
41 */
42
43
44#ident "$Id: iir.h 1.3 2001/07/03 11:28:57 achim Exp $"
45
46#ifndef _IIR_H
47#define _IIR_H
48
49#define IIR_DRIVER_VERSION      1
50#define IIR_DRIVER_SUBVERSION   1
51
52#define IIR_CDEV_MAJOR          164
53
54#define GDT_VENDOR_ID           0x1119
55#define GDT_DEVICE_ID_MIN       0x100
56#define GDT_DEVICE_ID_MAX       0x2ff
57#define GDT_DEVICE_ID_NEWRX     0x300
58
59#define INTEL_VENDOR_ID         0x8086
60#define INTEL_DEVICE_ID_IIR     0x600
61
62#define GDT_MAXBUS              6       /* XXX Why not 5? */
63#define GDT_MAX_HDRIVES         100     /* max 100 host drives */
64#define GDT_MAXID_FC            127     /* Fibre-channel IDs */
65#define GDT_MAXID               16      /* SCSI IDs */
66#define GDT_MAXOFFSETS          128
67#define GDT_MAXSG               32      /* Max. s/g elements */
68#define GDT_PROTOCOL_VERSION    1
69#define GDT_LINUX_OS            8       /* Used for cache optimization */
70#define GDT_SCATTER_GATHER      1       /* s/g feature */
71#define GDT_SECS32              0x1f    /* round capacity */
72#define GDT_LOCALBOARD          0       /* Board node always 0 */
73#define GDT_MAXCMDS             124
74#define GDT_SECTOR_SIZE         0x200   /* Always 512 bytes for cache devs */
75#define GDT_MAX_EVENTS          0x100   /* event buffer */
76
77/* DPMEM constants */
78#define GDT_MPR_MAGIC           0xc0ffee11
79#define GDT_IC_HEADER_BYTES     48
80#define GDT_IC_QUEUE_BYTES      4
81#define GDT_DPMEM_COMMAND_OFFSET \
82    (GDT_IC_HEADER_BYTES + GDT_IC_QUEUE_BYTES * GDT_MAXOFFSETS)
83
84/* geometry constants */
85#define GDT_MAXCYLS             1024
86#define GDT_HEADS               64
87#define GDT_SECS                32      /* mapping 64*32 */
88#define GDT_MEDHEADS            127
89#define GDT_MEDSECS             63      /* mapping 127*63 */
90#define GDT_BIGHEADS            255
91#define GDT_BIGSECS             63      /* mapping 255*63 */
92
93/* data direction raw service */
94#define GDT_DATA_IN             0x01000000L
95#define GDT_DATA_OUT            0x00000000L
96
97/* Cache/raw service commands */
98#define GDT_INIT        0               /* service initialization */
99#define GDT_READ        1               /* read command */
100#define GDT_WRITE       2               /* write command */
101#define GDT_INFO        3               /* information about devices */
102#define GDT_FLUSH       4               /* flush dirty cache buffers */
103#define GDT_IOCTL       5               /* ioctl command */
104#define GDT_DEVTYPE     9               /* additional information */
105#define GDT_MOUNT       10              /* mount cache device */
106#define GDT_UNMOUNT     11              /* unmount cache device */
107#define GDT_SET_FEAT    12              /* set features (scatter/gather) */
108#define GDT_GET_FEAT    13              /* get features */
109#define GDT_WRITE_THR   16              /* write through */
110#define GDT_READ_THR    17              /* read through */
111#define GDT_EXT_INFO    18              /* extended info */
112#define GDT_RESET       19              /* controller reset */
113#define GDT_FREEZE_IO   25              /* freeze all IOs */
114#define GDT_UNFREEZE_IO 26              /* unfreeze all IOs */
115
116/* Additional raw service commands */
117#define GDT_RESERVE     14              /* reserve device to raw service */
118#define GDT_RELEASE     15              /* release device */
119#define GDT_RESERVE_ALL 16              /* reserve all devices */
120#define GDT_RELEASE_ALL 17              /* release all devices */
121#define GDT_RESET_BUS   18              /* reset bus */
122#define GDT_SCAN_START  19              /* start device scan */
123#define GDT_SCAN_END    20              /* stop device scan */
124
125/* IOCTL command defines */
126#define GDT_SCSI_DR_INFO        0x00    /* SCSI drive info */
127#define GDT_SCSI_CHAN_CNT       0x05    /* SCSI channel count */
128#define GDT_SCSI_DR_LIST        0x06    /* SCSI drive list */
129#define GDT_SCSI_DEF_CNT        0x15    /* grown/primary defects */
130#define GDT_DSK_STATISTICS      0x4b    /* SCSI disk statistics */
131#define GDT_IOCHAN_DESC         0x5d    /* description of IO channel */
132#define GDT_IOCHAN_RAW_DESC     0x5e    /* description of raw IO channel */
133
134#define GDT_L_CTRL_PATTERN      0x20000000      /* SCSI IOCTL mask */
135#define GDT_ARRAY_INFO          0x12            /* array drive info */
136#define GDT_ARRAY_DRV_LIST      0x0f            /* array drive list */
137#define GDT_LA_CTRL_PATTERN     0x10000000      /* array IOCTL mask */
138#define GDT_CACHE_DRV_CNT       0x01            /* cache drive count */
139#define GDT_CACHE_DRV_LIST      0x02            /* cache drive list */
140#define GDT_CACHE_INFO          0x04            /* cache info */
141#define GDT_CACHE_CONFIG        0x05            /* cache configuration */
142#define GDT_CACHE_DRV_INFO      0x07            /* cache drive info */
143#define GDT_BOARD_FEATURES      0x15            /* controller features */
144#define GDT_BOARD_INFO          0x28            /* controller info */
145#define GDT_HOST_GET            0x10001         /* get host drive list */
146#define GDT_IO_CHANNEL          0x20000         /* default IO channel */
147#define GDT_INVALID_CHANNEL     0xffff          /* invalid channel */
148
149/* IOCTLs */
150#define GDT_IOCTL_GENERAL       _IOWR('J', 0, gdt_ucmd_t) /* general IOCTL */
151#define GDT_IOCTL_DRVERS        _IOWR('J', 1, int)      /* get driver version */
152#define GDT_IOCTL_CTRTYPE       _IOR('J', 2, gdt_ctrt_t) /* get ctr. type */
153#define GDT_IOCTL_OSVERS        _IOR('J', 3, gdt_osv_t) /* get OS version */
154#define GDT_IOCTL_CTRCNT        _IOR('J', 5, int)       /* get ctr. count */
155#define GDT_IOCTL_EVENT         _IOWR('J', 8, gdt_event_t) /* get event */
156#define GDT_IOCTL_STATIST       _IOR('J', 9, gdt_statist_t) /* get statistics */
157
158/* Service errors */
159#define GDT_S_OK                1       /* no error */
160#define GDT_S_BSY               7       /* controller busy */
161#define GDT_S_RAW_SCSI          12      /* raw service: target error */
162#define GDT_S_RAW_ILL           0xff    /* raw service: illegal */
163#define GDT_S_NO_STATUS         0x1000  /* got no status (driver-generated) */
164
165/* Controller services */
166#define GDT_SCSIRAWSERVICE      3
167#define GDT_CACHESERVICE        9
168#define GDT_SCREENSERVICE       11
169
170/* Scatter/gather element */
171#define GDT_SG_PTR              0x00    /* u_int32_t, address */
172#define GDT_SG_LEN              0x04    /* u_int32_t, length */
173#define GDT_SG_SZ               0x08
174
175/* Cache service command */
176#define GDT_CACHE_DEVICENO      0x00    /* u_int16_t, number of cache drive */
177#define GDT_CACHE_BLOCKNO       0x02    /* u_int32_t, block number */
178#define GDT_CACHE_BLOCKCNT      0x06    /* u_int32_t, block count */
179#define GDT_CACHE_DESTADDR      0x0a    /* u_int32_t, dest. addr. (-1: s/g) */
180#define GDT_CACHE_SG_CANZ       0x0e    /* u_int32_t, s/g element count */
181#define GDT_CACHE_SG_LST        0x12    /* [GDT_MAXSG], s/g list */
182#define GDT_CACHE_SZ            (0x12 + GDT_MAXSG * GDT_SG_SZ)
183
184/* Ioctl command */
185#define GDT_IOCTL_PARAM_SIZE    0x00    /* u_int16_t, size of buffer */
186#define GDT_IOCTL_SUBFUNC       0x02    /* u_int32_t, ioctl function */
187#define GDT_IOCTL_CHANNEL       0x06    /* u_int32_t, device */
188#define GDT_IOCTL_P_PARAM       0x0a    /* u_int32_t, buffer */
189#define GDT_IOCTL_SZ            0x0e
190
191/* Screen service defines */
192#define GDT_MSG_INV_HANDLE      -1      /* special message handle */
193#define GDT_MSGLEN              16      /* size of message text */
194#define GDT_MSG_SIZE            34      /* size of message structure */
195#define GDT_MSG_REQUEST         0       /* async. event. message */
196
197/* Screen service command */
198#define GDT_SCREEN_MSG_HANDLE   0x02    /* u_int32_t, message handle */
199#define GDT_SCREEN_MSG_ADDR     0x06    /* u_int32_t, message buffer address */
200#define GDT_SCREEN_SZ           0x0a
201
202/* Screen service message */
203#define GDT_SCR_MSG_HANDLE      0x00    /* u_int32_t, message handle */
204#define GDT_SCR_MSG_LEN         0x04    /* u_int32_t, size of message */
205#define GDT_SCR_MSG_ALEN        0x08    /* u_int32_t, answer length */
206#define GDT_SCR_MSG_ANSWER      0x0c    /* u_int8_t, answer flag */
207#define GDT_SCR_MSG_EXT         0x0d    /* u_int8_t, more messages? */
208#define GDT_SCR_MSG_RES         0x0e    /* u_int16_t, reserved */
209#define GDT_SCR_MSG_TEXT        0x10    /* GDT_MSGLEN+2, message text */
210#define GDT_SCR_MSG_SZ          (0x12 + GDT_MSGLEN)
211
212/* Raw service command */
213#define GDT_RAW_DIRECTION       0x02    /* u_int32_t, data direction */
214#define GDT_RAW_MDISC_TIME      0x06    /* u_int32_t, disc. time (0: none) */
215#define GDT_RAW_MCON_TIME       0x0a    /* u_int32_t, conn. time (0: none) */
216#define GDT_RAW_SDATA           0x0e    /* u_int32_t, dest. addr. (-1: s/g) */
217#define GDT_RAW_SDLEN           0x12    /* u_int32_t, data length */
218#define GDT_RAW_CLEN            0x16    /* u_int32_t, SCSI cmd len (6/10/12) */
219#define GDT_RAW_CMD             0x1a    /* u_int8_t [12], SCSI command */
220#define GDT_RAW_TARGET          0x26    /* u_int8_t, target ID */
221#define GDT_RAW_LUN             0x27    /* u_int8_t, LUN */
222#define GDT_RAW_BUS             0x28    /* u_int8_t, SCSI bus number */
223#define GDT_RAW_PRIORITY        0x29    /* u_int8_t, only 0 used */
224#define GDT_RAW_SENSE_LEN       0x2a    /* u_int32_t, sense data length */
225#define GDT_RAW_SENSE_DATA      0x2e    /* u_int32_t, sense data address */
226#define GDT_RAW_SG_RANZ         0x36    /* u_int32_t, s/g element count */
227#define GDT_RAW_SG_LST          0x3a    /* [GDT_MAXSG], s/g list */
228#define GDT_RAW_SZ              (0x3a + GDT_MAXSG * GDT_SG_SZ)
229
230/* Command structure */
231#define GDT_CMD_BOARDNODE       0x00    /* u_int32_t, board node (always 0) */
232#define GDT_CMD_COMMANDINDEX    0x04    /* u_int32_t, command number */
233#define GDT_CMD_OPCODE          0x08    /* u_int16_t, opcode (READ, ...) */
234#define GDT_CMD_UNION           0x0a    /* cache/screen/raw service command */
235#define GDT_CMD_UNION_SZ        GDT_RAW_SZ
236#define GDT_CMD_SZ              (0x0a + GDT_CMD_UNION_SZ)
237
238/* Command queue entries */
239#define GDT_OFFSET      0x00    /* u_int16_t, command offset in the DP RAM */
240#define GDT_SERV_ID     0x02    /* u_int16_t, service */
241#define GDT_COMM_Q_SZ   0x04
242
243/* Interface area */
244#define GDT_S_CMD_INDX  0x00    /* u_int8_t, special command */
245#define GDT_S_STATUS    0x01    /* volatile u_int8_t, status special command */
246#define GDT_S_INFO      0x04    /* u_int32_t [4], add. info special command */
247#define GDT_SEMA0       0x14    /* volatile u_int8_t, command semaphore */
248#define GDT_CMD_INDEX   0x18    /* u_int8_t, command number */
249#define GDT_STATUS      0x1c    /* volatile u_int16_t, command status */
250#define GDT_SERVICE     0x1e    /* u_int16_t, service (for asynch. events) */
251#define GDT_DPR_INFO    0x20    /* u_int32_t [2], additional info */
252#define GDT_COMM_QUEUE  0x28    /* command queue */
253#define GDT_DPR_CMD     (0x30 + GDT_MAXOFFSETS * GDT_COMM_Q_SZ)
254                                /* u_int8_t [], commands */
255
256/* I/O channel header */
257#define GDT_IOC_VERSION         0x00    /* u_int32_t, version (~0: newest) */
258#define GDT_IOC_LIST_ENTRIES    0x04    /* u_int8_t, list entry count */
259#define GDT_IOC_FIRST_CHAN      0x05    /* u_int8_t, first channel number */
260#define GDT_IOC_LAST_CHAN       0x06    /* u_int8_t, last channel number */
261#define GDT_IOC_CHAN_COUNT      0x07    /* u_int8_t, (R) channel count */
262#define GDT_IOC_LIST_OFFSET     0x08    /* u_int32_t, offset of list[0] */
263#define GDT_IOC_HDR_SZ          0x0c
264
265#define GDT_IOC_NEWEST          0xffffffff      /* goes into GDT_IOC_VERSION */
266
267/* Get I/O channel description */
268#define GDT_IOC_ADDRESS         0x00    /* u_int32_t, channel address */
269#define GDT_IOC_TYPE            0x04    /* u_int8_t, type (SCSI/FCSL) */
270#define GDT_IOC_LOCAL_NO        0x05    /* u_int8_t, local number */
271#define GDT_IOC_FEATURES        0x06    /* u_int16_t, channel features */
272#define GDT_IOC_SZ              0x08
273
274/* Get raw I/O channel description */
275#define GDT_RAWIOC_PROC_ID      0x00    /* u_int8_t, processor id */
276#define GDT_RAWIOC_PROC_DEFECT  0x01    /* u_int8_t, defect? */
277#define GDT_RAWIOC_SZ           0x04
278
279/* Get SCSI channel count */
280#define GDT_GETCH_CHANNEL_NO    0x00    /* u_int32_t, channel number */
281#define GDT_GETCH_DRIVE_CNT     0x04    /* u_int32_t, drive count */
282#define GDT_GETCH_SIOP_ID       0x08    /* u_int8_t, SCSI processor ID */
283#define GDT_GETCH_SIOP_STATE    0x09    /* u_int8_t, SCSI processor state */
284#define GDT_GETCH_SZ            0x0a
285
286/* Cache info/config IOCTL structures */
287#define GDT_CPAR_VERSION        0x00    /* u_int32_t, firmware version */
288#define GDT_CPAR_STATE          0x04    /* u_int16_t, cache state (on/off) */
289#define GDT_CPAR_STRATEGY       0x06    /* u_int16_t, cache strategy */
290#define GDT_CPAR_WRITE_BACK     0x08    /* u_int16_t, write back (on/off) */
291#define GDT_CPAR_BLOCK_SIZE     0x0a    /* u_int16_t, cache block size */
292#define GDT_CPAR_SZ             0x0c
293
294#define GDT_CSTAT_CSIZE         0x00    /* u_int32_t, cache size */
295#define GDT_CSTAT_READ_CNT      0x04    /* u_int32_t, read counter */
296#define GDT_CSTAT_WRITE_CNT     0x08    /* u_int32_t, write counter */
297#define GDT_CSTAT_TR_HITS       0x0c    /* u_int32_t, track hits */
298#define GDT_CSTAT_SEC_HITS      0x10    /* u_int32_t, sector hits */
299#define GDT_CSTAT_SEC_MISS      0x14    /* u_int32_t, sector misses */
300#define GDT_CSTAT_SZ            0x18
301
302/* Get cache info */
303#define GDT_CINFO_CPAR          0x00
304#define GDT_CINFO_CSTAT         GDT_CPAR_SZ
305#define GDT_CINFO_SZ            (GDT_CPAR_SZ + GDT_CSTAT_SZ)
306
307/* Get board info */
308#define GDT_BINFO_SER_NO        0x00    /* u_int32_t, serial number */
309#define GDT_BINFO_OEM_ID        0x04    /* u_int8_t [2], OEM ID */
310#define GDT_BINFO_EP_FLAGS      0x06    /* u_int16_t, eprom flags */
311#define GDT_BINFO_PROC_ID       0x08    /* u_int32_t, processor ID */
312#define GDT_BINFO_MEMSIZE       0x0c    /* u_int32_t, memory size (bytes) */
313#define GDT_BINFO_MEM_BANKS     0x10    /* u_int8_t, memory banks */
314#define GDT_BINFO_CHAN_TYPE     0x11    /* u_int8_t, channel type */
315#define GDT_BINFO_CHAN_COUNT    0x12    /* u_int8_t, channel count */
316#define GDT_BINFO_RDONGLE_PRES  0x13    /* u_int8_t, dongle present */
317#define GDT_BINFO_EPR_FW_VER    0x14    /* u_int32_t, (eprom) firmware ver */
318#define GDT_BINFO_UPD_FW_VER    0x18    /* u_int32_t, (update) firmware ver */
319#define GDT_BINFO_UPD_REVISION  0x1c    /* u_int32_t, update revision */
320#define GDT_BINFO_TYPE_STRING   0x20    /* char [16], controller name */
321#define GDT_BINFO_RAID_STRING   0x30    /* char [16], RAID firmware name */
322#define GDT_BINFO_UPDATE_PRES   0x40    /* u_int8_t, update present? */
323#define GDT_BINFO_XOR_PRES      0x41    /* u_int8_t, XOR engine present */
324#define GDT_BINFO_PROM_TYPE     0x42    /* u_int8_t, ROM type (eprom/flash) */
325#define GDT_BINFO_PROM_COUNT    0x43    /* u_int8_t, number of ROM devices */
326#define GDT_BINFO_DUP_PRES      0x44    /* u_int32_t, duplexing module pres? */
327#define GDT_BINFO_CHAN_PRES     0x48    /* u_int32_t, # of exp. channels */
328#define GDT_BINFO_MEM_PRES      0x4c    /* u_int32_t, memory expansion inst? */
329#define GDT_BINFO_FT_BUS_SYSTEM 0x50    /* u_int8_t, fault bus supported? */
330#define GDT_BINFO_SUBTYPE_VALID 0x51    /* u_int8_t, board_subtype valid */
331#define GDT_BINFO_BOARD_SUBTYPE 0x52    /* u_int8_t, subtype/hardware level */
332#define GDT_BINFO_RAMPAR_PRES   0x53    /* u_int8_t, RAM parity check hw? */
333#define GDT_BINFO_SZ            0x54
334
335/* Get board features */
336#define GDT_BFEAT_CHAINING      0x00    /* u_int8_t, chaining supported */
337#define GDT_BFEAT_STRIPING      0x01    /* u_int8_t, striping (RAID-0) supp. */
338#define GDT_BFEAT_MIRRORING     0x02    /* u_int8_t, mirroring (RAID-1) supp */
339#define GDT_BFEAT_RAID          0x03    /* u_int8_t, RAID-4/5/10 supported */
340#define GDT_BFEAT_SZ            0x04
341
342/* Other defines */
343#define GDT_ASYNCINDEX  0       /* command index asynchronous event */
344#define GDT_SPEZINDEX   1       /* command index unknown service */
345
346/* Debugging */
347#ifdef GDT_DEBUG
348#define GDT_D_INTR      0x01
349#define GDT_D_MISC      0x02
350#define GDT_D_CMD       0x04
351#define GDT_D_QUEUE     0x08
352#define GDT_D_TIMEOUT   0x10
353#define GDT_D_INIT      0x20
354#define GDT_D_INVALID   0x40
355#define GDT_D_DEBUG     0x80
356extern int gdt_debug;
357#ifdef __SERIAL__
358extern int ser_printf(const char *fmt, ...);
359#define GDT_DPRINTF(mask, args) if (gdt_debug & (mask)) ser_printf args
360#else
361#define GDT_DPRINTF(mask, args) if (gdt_debug & (mask)) printf args
362#endif
363#else
364#define GDT_DPRINTF(mask, args)
365#endif
366
367/* Miscellaneous constants */
368#define GDT_RETRIES             100000000       /* 100000 * 1us = 100s */
369#define GDT_TIMEOUT             100000000       /* 100000 * 1us = 100s */
370#define GDT_POLL_TIMEOUT        10000000        /* 10000 * 1us = 10s */
371#define GDT_WATCH_TIMEOUT       10000000        /* 10000 * 1us = 10s */
372#define GDT_SCRATCH_SZ          3072            /* 3KB scratch buffer */
373
374/* macros */
375#define letoh32(v)      le32toh(v)
376#define letoh16(v)      le16toh(v)
377
378/* Map minor numbers to device identity */
379#define LUN_MASK                0x0007
380#define TARGET_MASK             0x03f8
381#define BUS_MASK                0x1c00
382#define HBA_MASK                0xe000
383
384#define minor2lun(minor)        ( minor & LUN_MASK )
385#define minor2target(minor)     ( (minor & TARGET_MASK) >> 3 )
386#define minor2bus(minor)        ( (minor & BUS_MASK) >> 10 )
387#define minor2hba(minor)        ( (minor & HBA_MASK) >> 13 )
388#define hba2minor(hba)          ( (hba << 13) & HBA_MASK )
389
390
391/* struct for GDT_IOCTL_GENERAL */
392#pragma pack(1)
393typedef struct gdt_ucmd {
394    u_int16_t   io_node;
395    u_int16_t   service;
396    u_int32_t   timeout;
397    u_int16_t   status;
398    u_int32_t   info;
399
400    u_int32_t   BoardNode;                      /* board node (always 0) */
401    u_int32_t   CommandIndex;                   /* command number */
402    u_int16_t   OpCode;                         /* the command (READ,..) */
403    union {
404        struct {
405            u_int16_t   DeviceNo;               /* number of cache drive */
406            u_int32_t   BlockNo;                /* block number */
407            u_int32_t   BlockCnt;               /* block count */
408            void        *DestAddr;              /* data */
409        } cache;                                /* cache service cmd. str. */
410        struct {
411            u_int16_t   param_size;             /* size of p_param buffer */
412            u_int32_t   subfunc;                /* IOCTL function */
413            u_int32_t   channel;                /* device */
414            void        *p_param;               /* data */
415        } ioctl;                                /* IOCTL command structure */
416        struct {
417            u_int16_t   reserved;
418            u_int32_t   direction;              /* data direction */
419            u_int32_t   mdisc_time;             /* disc. time (0: no timeout)*/
420            u_int32_t   mcon_time;              /* connect time(0: no to.) */
421            void        *sdata;                 /* dest. addr. (if s/g: -1) */
422            u_int32_t   sdlen;                  /* data length (bytes) */
423            u_int32_t   clen;                   /* SCSI cmd. length(6,10,12) */
424            u_int8_t    cmd[12];                /* SCSI command */
425            u_int8_t    target;                 /* target ID */
426            u_int8_t    lun;                    /* LUN */
427            u_int8_t    bus;                    /* SCSI bus number */
428            u_int8_t    priority;               /* only 0 used */
429            u_int32_t   sense_len;              /* sense data length */
430            void        *sense_data;            /* sense data addr. */
431            u_int32_t   link_p;                 /* linked cmds (not supp.) */
432        } raw;                                  /* raw service cmd. struct. */
433    } u;
434    u_int8_t            data[GDT_SCRATCH_SZ];
435    int                 complete_flag;
436    TAILQ_ENTRY(gdt_ucmd) links;
437} gdt_ucmd_t;
438
439/* struct for GDT_IOCTL_CTRTYPE */
440typedef struct gdt_ctrt {
441    u_int16_t io_node;
442    u_int16_t oem_id;
443    u_int16_t type;
444    u_int32_t info;
445    u_int8_t  access;
446    u_int8_t  remote;
447    u_int16_t ext_type;
448    u_int16_t device_id;
449    u_int16_t sub_device_id;
450} gdt_ctrt_t;
451
452/* struct for GDT_IOCTL_OSVERS */
453typedef struct gdt_osv {
454    u_int8_t  oscode;
455    u_int8_t  version;
456    u_int8_t  subversion;
457    u_int16_t revision;
458    char      name[64];
459} gdt_osv_t;
460
461/* controller event structure */
462#define GDT_ES_ASYNC    1
463#define GDT_ES_DRIVER   2
464#define GDT_ES_TEST     3
465#define GDT_ES_SYNC     4
466typedef struct {
467    u_int16_t           size;               /* size of structure */
468    union {
469        char            stream[16];
470        struct {
471            u_int16_t   ionode;
472            u_int16_t   service;
473            u_int32_t   index;
474        } driver;
475        struct {
476            u_int16_t   ionode;
477            u_int16_t   service;
478            u_int16_t   status;
479            u_int32_t   info;
480            u_int8_t    scsi_coord[3];
481        } async;
482        struct {
483            u_int16_t   ionode;
484            u_int16_t   service;
485            u_int16_t   status;
486            u_int32_t   info;
487            u_int16_t   hostdrive;
488            u_int8_t    scsi_coord[3];
489            u_int8_t    sense_key;
490        } sync;
491        struct {
492            u_int32_t   l1, l2, l3, l4;
493        } test;
494    } eu;
495    u_int32_t           severity;
496    u_int8_t            event_string[256];
497} gdt_evt_data;
498
499/* dvrevt structure */
500typedef struct {
501    u_int32_t           first_stamp;
502    u_int32_t           last_stamp;
503    u_int16_t           same_count;
504    u_int16_t           event_source;
505    u_int16_t           event_idx;
506    u_int8_t            application;
507    u_int8_t            reserved;
508    gdt_evt_data        event_data;
509} gdt_evt_str;
510
511/* struct for GDT_IOCTL_EVENT */
512typedef struct gdt_event {
513    int erase;
514    int handle;
515    gdt_evt_str dvr;
516} gdt_event_t;
517
518/* struct for GDT_IOCTL_STATIST */
519typedef struct gdt_statist {
520    u_int16_t io_count_act;
521    u_int16_t io_count_max;
522    u_int16_t req_queue_act;
523    u_int16_t req_queue_max;
524    u_int16_t cmd_index_act;
525    u_int16_t cmd_index_max;
526    u_int16_t sg_count_act;
527    u_int16_t sg_count_max;
528} gdt_statist_t;
529
530#pragma pack()
531
532/* Context structure for interrupt services */
533struct gdt_intr_ctx {
534    u_int32_t info, info2;
535    u_int16_t cmd_status, service;
536    u_int8_t istatus;
537};
538
539/* softc structure */
540struct gdt_softc {
541    int sc_hanum;
542    int sc_class;               /* Controller class */
543#define GDT_MPR         0x05
544#define GDT_CLASS_MASK  0x07
545#define GDT_FC          0x10
546#define GDT_CLASS(gdt)  ((gdt)->sc_class & GDT_CLASS_MASK)
547    int sc_bus, sc_slot;
548    u_int16_t sc_device, sc_subdevice;
549    u_int16_t sc_fw_vers;
550    int sc_init_level;
551    int sc_state;
552#define GDT_NORMAL      0x00
553#define GDT_POLLING     0x01
554#define GDT_SHUTDOWN    0x02
555#define GDT_POLL_WAIT   0x80
556    dev_t sc_dev;
557    bus_space_tag_t sc_dpmemt;
558    bus_space_handle_t sc_dpmemh;
559    bus_addr_t sc_dpmembase;
560    bus_dma_tag_t sc_parent_dmat;
561    bus_dma_tag_t sc_buffer_dmat;
562    bus_dma_tag_t sc_gccb_dmat;
563    bus_dmamap_t sc_gccb_dmamap;
564    bus_addr_t sc_gccb_busbase;
565
566    struct gdt_ccb *sc_gccbs;
567    SLIST_HEAD(, gdt_ccb) sc_free_gccb, sc_pending_gccb;
568    TAILQ_HEAD(, ccb_hdr) sc_ccb_queue;
569    TAILQ_HEAD(, gdt_ucmd) sc_ucmd_queue;
570
571    u_int16_t sc_ic_all_size;
572    u_int16_t sc_cmd_len;
573    u_int16_t sc_cmd_off;
574    u_int16_t sc_cmd_cnt;
575    u_int8_t sc_cmd[GDT_CMD_SZ];
576
577    u_int32_t sc_info;
578    u_int32_t sc_info2;
579    u_int16_t sc_status;
580    u_int16_t sc_service;
581
582    u_int8_t sc_bus_cnt;
583    u_int8_t sc_virt_bus;
584    u_int8_t sc_bus_id[GDT_MAXBUS];
585    u_int8_t sc_more_proc;
586
587    struct {
588        u_int8_t hd_present;
589        u_int8_t hd_is_logdrv;
590        u_int8_t hd_is_arraydrv;
591        u_int8_t hd_is_master;
592        u_int8_t hd_is_parity;
593        u_int8_t hd_is_hotfix;
594        u_int8_t hd_master_no;
595        u_int8_t hd_lock;
596        u_int8_t hd_heads;
597        u_int8_t hd_secs;
598        u_int16_t hd_devtype;
599        u_int32_t hd_size;
600        u_int8_t hd_ldr_no;
601        u_int8_t hd_rw_attribs;
602        u_int32_t hd_start_sec;
603    } sc_hdr[GDT_MAX_HDRIVES];
604
605    u_int16_t sc_raw_feat;
606    u_int16_t sc_cache_feat;
607
608    gdt_evt_data sc_dvr;
609
610    struct cam_sim *sims[GDT_MAXBUS];
611    struct cam_path *paths[GDT_MAXBUS];
612
613    void (*sc_copy_cmd) __P((struct gdt_softc *, struct gdt_ccb *));
614    u_int8_t (*sc_get_status) __P((struct gdt_softc *));
615    void (*sc_intr) __P((struct gdt_softc *, struct gdt_intr_ctx *));
616    void (*sc_release_event) __P((struct gdt_softc *));
617    void (*sc_set_sema0) __P((struct gdt_softc *));
618    int (*sc_test_busy) __P((struct gdt_softc *));
619
620    TAILQ_ENTRY(gdt_softc) links;
621};
622
623/*
624 * A command control block, one for each corresponding command index of the
625 * controller.
626 */
627struct gdt_ccb {
628    u_int8_t    gc_scratch[GDT_SCRATCH_SZ];
629    union ccb   *gc_ccb;
630    gdt_ucmd_t  *gc_ucmd;
631    bus_dmamap_t gc_dmamap;
632    int         gc_map_flag;
633    int         gc_timeout;
634    int         gc_state;
635    u_int8_t    gc_service;
636    u_int8_t    gc_cmd_index;
637    u_int8_t    gc_flags;
638#define GDT_GCF_UNUSED          0
639#define GDT_GCF_INTERNAL        1
640#define GDT_GCF_SCREEN          2
641#define GDT_GCF_SCSI            3
642#define GDT_GCF_IOCTL           4
643    SLIST_ENTRY(gdt_ccb) sle;
644};
645
646
647int     iir_init __P((struct gdt_softc *));
648void    iir_free __P((struct gdt_softc *));
649void    iir_attach __P((struct gdt_softc *));
650void    iir_intr __P((void *arg));
651
652#ifdef __GNUC__
653/* These all require correctly aligned buffers */
654static __inline__ void gdt_enc16 __P((u_int8_t *, u_int16_t));
655static __inline__ void gdt_enc32 __P((u_int8_t *, u_int32_t));
656static __inline__ u_int16_t gdt_dec16 __P((u_int8_t *));
657static __inline__ u_int32_t gdt_dec32 __P((u_int8_t *));
658
659static __inline__ void
660gdt_enc16(addr, value)
661        u_int8_t *addr;
662        u_int16_t value;
663{
664        *(u_int16_t *)addr = htole16(value);
665}
666
667static __inline__ void
668gdt_enc32(addr, value)
669        u_int8_t *addr;
670        u_int32_t value;
671{
672        *(u_int32_t *)addr = htole32(value);
673}
674
675static __inline__ u_int16_t
676gdt_dec16(addr)
677        u_int8_t *addr;
678{
679        return letoh16(*(u_int16_t *)addr);
680}
681
682static __inline__ u_int32_t
683gdt_dec32(addr)
684        u_int8_t *addr;
685{
686        return letoh32(*(u_int32_t *)addr);
687}
688#endif
689
690#if defined(__alpha__)
691/* XXX XXX NEED REAL DMA MAPPING SUPPORT XXX XXX */
692#undef vtophys
693#define vtophys(va)     alpha_XXX_dmamap((vm_offset_t)(va))
694#endif
695
696extern TAILQ_HEAD(gdt_softc_list, gdt_softc) gdt_softcs;
697extern u_int8_t gdt_polling;
698
699dev_t   gdt_make_dev(int unit);
700void    gdt_destroy_dev(dev_t dev);
701void    gdt_next(struct gdt_softc *gdt);
702void gdt_free_ccb(struct gdt_softc *gdt, struct gdt_ccb *gccb);
703
704gdt_evt_str *gdt_store_event(u_int16_t source, u_int16_t idx,
705                             gdt_evt_data *evt);
706int gdt_read_event(int handle, gdt_evt_str *estr);
707void gdt_readapp_event(u_int8_t app, gdt_evt_str *estr);
708void gdt_clear_events(void);
709
710#endif
711