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. */
149 struct 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  */
158 struct 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. */
182 struct 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 
298 struct 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 
311 struct 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 
318 struct 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_ */
343