master
  1/*	$NetBSD: twereg.h,v 1.16 2018/11/08 06:34:40 msaitoh Exp $	*/
  2
  3/*-
  4 * Copyright (c) 2000 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) 2000 Michael Smith
 34 * Copyright (c) 2000 BSDi
 35 * All rights reserved.
 36 *
 37 * Redistribution and use in source and binary forms, with or without
 38 * modification, are permitted provided that the following conditions
 39 * are met:
 40 * 1. Redistributions of source code must retain the above copyright
 41 *    notice, this list of conditions and the following disclaimer.
 42 * 2. Redistributions in binary form must reproduce the above copyright
 43 *    notice, this list of conditions and the following disclaimer in the
 44 *    documentation and/or other materials provided with the distribution.
 45 *
 46 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 47 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 48 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 49 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 50 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 51 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 52 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 53 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 54 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 55 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 56 * SUCH DAMAGE.
 57 *
 58 * from FreeBSD: twereg.h,v 1.1 2000/05/24 23:35:23 msmith Exp
 59 */
 60
 61#ifndef _PCI_TWEREG_H_
 62#define	_PCI_TWEREG_H_
 63
 64/* Board registers. */
 65#define	TWE_REG_CTL			0x00
 66#define	TWE_REG_STS			0x04
 67#define	TWE_REG_CMD_QUEUE		0x08
 68#define	TWE_REG_RESP_QUEUE		0x0c
 69
 70/* Control register bit definitions. */
 71#define	TWE_CTL_CLEAR_HOST_INTR		0x00080000
 72#define	TWE_CTL_CLEAR_ATTN_INTR		0x00040000
 73#define	TWE_CTL_MASK_CMD_INTR		0x00020000
 74#define	TWE_CTL_MASK_RESP_INTR		0x00010000
 75#define	TWE_CTL_UNMASK_CMD_INTR		0x00008000
 76#define	TWE_CTL_UNMASK_RESP_INTR	0x00004000
 77#define	TWE_CTL_CLEAR_ERROR_STS		0x00000200
 78#define	TWE_CTL_ISSUE_SOFT_RESET	0x00000100
 79#define	TWE_CTL_ENABLE_INTRS		0x00000080
 80#define	TWE_CTL_DISABLE_INTRS		0x00000040
 81#define	TWE_CTL_ISSUE_HOST_INTR		0x00000020
 82#define	TWE_CTL_CLEAR_PARITY_ERROR	0x00800000
 83#define	TWE_CTL_CLEAR_PCI_ABORT		0x00100000
 84
 85/* Status register bit definitions. */
 86#define	TWE_STS_MAJOR_VERSION_MASK	0xf0000000
 87#define	TWE_STS_MINOR_VERSION_MASK	0x0f000000
 88#define	TWE_STS_PCI_PARITY_ERROR	0x00800000
 89#define	TWE_STS_QUEUE_ERROR		0x00400000
 90#define	TWE_STS_MICROCONTROLLER_ERROR	0x00200000
 91#define	TWE_STS_PCI_ABORT		0x00100000
 92#define	TWE_STS_HOST_INTR		0x00080000
 93#define	TWE_STS_ATTN_INTR		0x00040000
 94#define	TWE_STS_CMD_INTR		0x00020000
 95#define	TWE_STS_RESP_INTR		0x00010000
 96#define	TWE_STS_CMD_QUEUE_FULL		0x00008000
 97#define	TWE_STS_RESP_QUEUE_EMPTY	0x00004000
 98#define	TWE_STS_MICROCONTROLLER_READY	0x00002000
 99#define	TWE_STS_CMD_QUEUE_EMPTY		0x00001000
100
101#define	TWE_STS_ALL_INTRS		0x000f0000
102#define	TWE_STS_CLEARABLE_BITS		0x00d00000
103#define	TWE_STS_EXPECTED_BITS		0x00002000
104#define	TWE_STS_UNEXPECTED_BITS		0x00f80000
105
106/* Command packet opcodes. */
107#define TWE_OP_NOP			0x00
108#define TWE_OP_INIT_CONNECTION		0x01
109#define TWE_OP_READ			0x02
110#define TWE_OP_WRITE			0x03
111#define TWE_OP_READVERIFY		0x04
112#define TWE_OP_VERIFY			0x05
113#define TWE_OP_PROBE			0x06
114#define TWE_OP_PROBEUNIT		0x07
115#define TWE_OP_ZEROUNIT			0x08
116#define TWE_OP_REPLACEUNIT		0x09
117#define TWE_OP_HOTSWAP			0x0a
118#define TWE_OP_SETATAFEATURE		0x0c
119#define TWE_OP_FLUSH			0x0e
120#define TWE_OP_ABORT			0x0f
121#define TWE_OP_CHECKSTATUS		0x10
122#define	TWE_OP_ATA_PASSTHROUGH		0x11
123#define TWE_OP_GET_PARAM		0x12
124#define TWE_OP_SET_PARAM		0x13
125#define TWE_OP_CREATEUNIT		0x14
126#define TWE_OP_DELETEUNIT		0x15
127#define TWE_OP_REBUILDUNIT		0x17
128#define TWE_OP_SECTOR_INFO		0x1a
129#define TWE_OP_AEN_LISTEN		0x1c
130#define TWE_OP_CMD_PACKET		0x1d
131#define	TWE_OP_CMD_WITH_DATA		0x1f
132
133/* Response queue entries.  Masking and shifting yields request ID. */
134#define	TWE_RESP_MASK			0x00000ff0
135#define	TWE_RESP_SHIFT			4
136
137/* Miscellenous constants. */
138#define	TWE_ALIGNMENT			512
139#define	TWE_MAX_UNITS			16
140#define	TWE_INIT_CMD_PACKET_SIZE	0x3
141#define	TWE_SG_SIZE			62
142#define	TWE_MAX_CMDS			255
143#define	TWE_Q_START			0
144#define	TWE_UNIT_INFORMATION_TABLE_BASE	0x300
145#define	TWE_IOCTL			0x80
146#define	TWE_SECTOR_SIZE			512
147
148/* Scatter/gather block. */
149struct twe_sgb {
150	u_int32_t	tsg_address;
151	u_int32_t	tsg_length;
152} __packed;
153
154/*
155 * Command block.  This is 512 (really 508) bytes in size, and must be
156 * aligned on a 512 byte boundary.
157 */
158struct twe_cmd {
159	u_int8_t	tc_opcode;	/* high 3 bits is S/G list offset */
160	u_int8_t	tc_size;
161	u_int8_t	tc_cmdid;
162	u_int8_t	tc_unit;	/* high nybble is host ID */
163	u_int8_t	tc_status;
164	u_int8_t	tc_flags;
165	u_int16_t	tc_count;	/* block & param count, msg credits */
166	union {
167		struct {
168			u_int32_t	lba;
169			struct	twe_sgb sgl[TWE_SG_SIZE];
170		} io __packed;
171		struct {
172			struct	twe_sgb sgl[TWE_SG_SIZE];
173		} param;
174		struct {
175			u_int32_t	response_queue_pointer;
176		} init_connection  __packed;
177	} tc_args;
178	int32_t		tc_pad;
179} __packed;
180
181/* Get/set parameter block. */
182struct twe_param {
183	u_int16_t	tp_table_id;
184	u_int8_t	tp_param_id;
185	u_int8_t	tp_param_size;
186	u_int8_t	tp_data[1];
187} __packed;
188
189/*
190 * From 3ware's documentation:
191 *
192 *   All parameters maintained by the controller are grouped into related
193 *   tables.  Tables are accessed indirectly via get and set parameter
194 *   commands.  To access a specific parameter in a table, the table ID and
195 *   parameter index are used to uniquely identify a parameter.  Table
196 *   0xffff is the directory table and provides a list of the table IDs and
197 *   sizes of all other tables.  Index zero in each table specifies the
198 *   entire table, and index one specifies the size of the table.  An entire
199 *   table can be read or set by using index zero.
200 */
201
202#define TWE_PARAM_PARAM_ALL	0
203#define TWE_PARAM_PARAM_SIZE	1
204
205#define TWE_PARAM_DIRECTORY			0xffff	/* size is 4 * number of tables */
206#define TWE_PARAM_DIRECTORY_TABLES		2	/* 16 bits * number of tables */
207#define TWE_PARAM_DIRECTORY_SIZES		3	/* 16 bits * number of tables */
208
209#define TWE_PARAM_DRIVESUMMARY			0x0002
210#define TWE_PARAM_DRIVESUMMARY_Num		2	/* number of physical drives [2] */
211#define TWE_PARAM_DRIVESUMMARY_Status		3	/* array giving drive status per aport */
212#define TWE_PARAM_DRIVESTATUS_Missing		0x00
213#define TWE_PARAM_DRIVESTATUS_NotSupp		0xfe
214#define TWE_PARAM_DRIVESTATUS_Present		0xff
215
216#define TWE_PARAM_UNITSUMMARY			0x0003
217#define TWE_PARAM_UNITSUMMARY_Num		2	/* number of logical units [2] */
218#define TWE_PARAM_UNITSUMMARY_Status		3	/* array giving unit status [16] */
219#define TWE_PARAM_UNITSTATUS_Online		(1<<0)
220#define TWE_PARAM_UNITSTATUS_Complete		(1<<1)
221#define TWE_PARAM_UNITSTATUS_MASK		0xfc
222#define TWE_PARAM_UNITSTATUS_Normal		0xfc
223#define TWE_PARAM_UNITSTATUS_Initialising	0xf4	/* cannot be incomplete */
224#define TWE_PARAM_UNITSTATUS_Degraded		0xec
225#define TWE_PARAM_UNITSTATUS_Rebuilding		0xdc	/* cannot be incomplete */
226#define TWE_PARAM_UNITSTATUS_Verifying		0xcc	/* cannot be incomplete */
227#define TWE_PARAM_UNITSTATUS_Corrupt		0xbc	/* cannot be complete */
228#define TWE_PARAM_UNITSTATUS_Missing		0x00	/* cannot be complete or online */
229
230#define TWE_PARAM_DRIVEINFO			0x0200	/* add drive number 0x00-0x0f XXX docco confused 0x0100 vs 0x0200 */
231#define TWE_PARAM_DRIVEINFO_Size		2	/* size in blocks [4] */
232#define TWE_PARAM_DRIVEINFO_Model		3	/* drive model string [40] */
233#define TWE_PARAM_DRIVEINFO_Serial		4	/* drive serial number [20] */
234#define TWE_PARAM_DRIVEINFO_PhysCylNum		5	/* physical geometry [2] */
235#define TWE_PARAM_DRIVEINFO_PhysHeadNum		6	/* [2] */
236#define TWE_PARAM_DRIVEINFO_PhysSectorNum	7	/* [2] */
237#define TWE_PARAM_DRIVEINFO_LogCylNum		8	/* logical geometry [2] */
238#define TWE_PARAM_DRIVEINFO_LogHeadNum		9	/* [2] */
239#define TWE_PARAM_DRIVEINFO_LogSectorNum	10	/* [2] */
240#define TWE_PARAM_DRIVEINFO_UnitNum		11	/* unit number this drive is associated with or 0xff [1] */
241#define TWE_PARAM_DRIVEINFO_DriveFlags		12	/* N/A [1] */
242
243#define TWE_PARAM_APORTTIMEOUT			0x02c0	/* add (aport_number * 3) to parameter index */
244#define TWE_PARAM_APORTTIMEOUT_READ		2	/* read timeouts last 24hrs [2] */
245#define TWE_PARAM_APORTTIMEOUT_WRITE		3	/* write timeouts last 24hrs [2] */
246#define TWE_PARAM_APORTTIMEOUT_DEGRADE		4	/* degrade threshold [2] */
247
248#define TWE_PARAM_UNITINFO			0x0300	/* add unit number 0x00-0x0f */
249#define TWE_PARAM_UNITINFO_Number		2	/* unit number [1] */
250#define TWE_PARAM_UNITINFO_Status		3	/* unit status [1] */
251#define TWE_PARAM_UNITINFO_Capacity		4	/* unit capacity in blocks [4] */
252#define TWE_PARAM_UNITINFO_DescriptorSize	5	/* unit descriptor size + 3 bytes [2] */
253#define TWE_PARAM_UNITINFO_Descriptor		6	/* unit descriptor, TWE_UnitDescriptor or TWE_Array_Descriptor */
254#define TWE_PARAM_UNITINFO_Flags		7	/* unit flags [1] */
255#define TWE_PARAM_UNITFLAGS_WCE			(1<<0)
256
257#define TWE_PARAM_AEN				0x0401
258#define TWE_PARAM_AEN_UnitCode			2	/* (unit number << 8) | AEN code [2] */
259#define TWE_AEN_QUEUE_EMPTY			0x00
260#define TWE_AEN_SOFT_RESET			0x01
261#define TWE_AEN_DEGRADED_MIRROR			0x02	/* reports unit */
262#define TWE_AEN_CONTROLLER_ERROR		0x03
263#define TWE_AEN_REBUILD_FAIL			0x04	/* reports unit */
264#define TWE_AEN_REBUILD_DONE			0x05	/* reports unit */
265#define TWE_AEN_INCOMP_UNIT			0x06	/* reports unit */
266#define TWE_AEN_INIT_DONE			0x07	/* reports unit */
267#define TWE_AEN_UNCLEAN_SHUTDOWN		0x08	/* reports unit */
268#define TWE_AEN_APORT_TIMEOUT			0x09	/* reports unit, rate limited to 1 per 2^16 errors */
269#define TWE_AEN_DRIVE_ERROR			0x0a	/* reports unit */
270#define TWE_AEN_REBUILD_STARTED			0x0b	/* reports unit */
271#define TWE_AEN_QUEUE_FULL			0xff
272#define TWE_AEN_TABLE_UNDEFINED			0x15
273#define TWE_AEN_CODE(x)				((x) & 0xff)
274#define TWE_AEN_UNIT(x)				((x) >> 8)
275
276#define TWE_PARAM_VERSION			0x0402
277#define TWE_PARAM_VERSION_Mon			2	/* monitor version [16] */
278#define TWE_PARAM_VERSION_FW			3	/* firmware version [16] */
279#define TWE_PARAM_VERSION_BIOS			4	/* BIOSs version [16] */
280#define TWE_PARAM_VERSION_PCB			5	/* PCB version [8] */
281#define TWE_PARAM_VERSION_ATA			6	/* A-chip version [8] */
282#define TWE_PARAM_VERSION_PCI			7	/* P-chip version [8] */
283#define TWE_PARAM_VERSION_CtrlModel		8	/* N/A */
284#define TWE_PARAM_VERSION_CtrlSerial		9	/* N/A */
285#define TWE_PARAM_VERSION_SBufSize		10	/* N/A */
286#define TWE_PARAM_VERSION_CompCode		11	/* compatibility code [4] */
287
288#define TWE_PARAM_CONTROLLER			0x0403
289#define TWE_PARAM_CONTROLLER_DCBSectors		2	/* # sectors reserved for DCB per drive [2] */
290#define TWE_PARAM_CONTROLLER_PortCount		3	/* number of drive ports [1] */
291
292#define TWE_PARAM_FEATURES			0x404
293#define TWE_PARAM_FEATURES_DriverShutdown	2	/* set to 1 if driver supports shutdown notification [1] */
294
295#define TWE_PARAM_PROC				0x406
296#define TWE_PARAM_PROC_PERCENT			2	/* Per-sub-unit % complete of init/verify/rebuild or 0xff [16] */
297
298struct twe_unit_descriptor {
299	u_int8_t	num_subunits;	/* must be zero */
300	u_int8_t	configuration;
301#define TWE_UD_CONFIG_CBOD	0x0c	/* JBOD with DCB, used for mirrors */
302#define TWE_UD_CONFIG_SPARE	0x0d	/* same as CBOD, but firmware will use as spare */
303#define TWE_UD_CONFIG_SUBUNIT	0x0e	/* drive is a subunit in an array */
304#define TWE_UD_CONFIG_JBOD	0x0f	/* plain drive */
305	u_int8_t	phys_drv_num;	/* may be 0xff if port can't be determined at runtime */
306	u_int8_t	log_drv_num;	/* must be zero for configuration == 0x0f */
307	u_int32_t	start_lba;
308	u_int32_t	block_count;	/* actual drive size if configuration == 0x0f, otherwise less DCB size */
309} __packed;
310
311struct twe_mirror_descriptor {
312	u_int8_t	flag;			/* must be 0xff */
313	u_int8_t	res1;
314	u_int8_t	mirunit_status[4];	/* bitmap of functional subunits in each mirror */
315	u_int8_t	res2[6];
316} __packed;
317
318struct twe_array_descriptor {
319	u_int8_t	num_subunits;	/* number of subunits, or number of mirror units in RAID10 */
320	u_int8_t	configuration;
321#define TWE_AD_CONFIG_RAID0	0x00
322#define TWE_AD_CONFIG_RAID1	0x01
323#define TWE_AD_CONFIG_TwinStor	0x02
324#define TWE_AD_CONFIG_RAID5	0x05
325#define TWE_AD_CONFIG_RAID10	0x06
326	u_int8_t		stripe_size;
327#define TWE_AD_STRIPE_4k	0x03
328#define TWE_AD_STRIPE_8k	0x04
329#define TWE_AD_STRIPE_16k	0x05
330#define TWE_AD_STRIPE_32k	0x06
331#define TWE_AD_STRIPE_64k	0x07
332#define TWE_AD_STRIPE_128k	0x08
333#define TWE_AD_STRIPE_256k	0x09
334#define TWE_AD_STRIPE_512k	0x0a
335#define TWE_AD_STRIPE_1024k	0x0b
336	u_int8_t		log_drv_status;	/* bitmap of functional subunits, or mirror units in RAID10 */
337	u_int32_t		start_lba;
338	u_int32_t		block_count;	/* actual drive size if configuration == 0x0f, otherwise less DCB size */
339	struct twe_unit_descriptor	subunit[1];
340} __packed;
341
342#endif	/* !_PCI_TWEREG_H_ */