1 /*
2 * Copyright (c) 2004-07 Applied Micro Circuits Corporation.
3 * Copyright (c) 2004-05 Vinod Kashyap
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 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 *
27 * $FreeBSD$
28 */
29
30 /*
31 * AMCC'S 3ware driver for 9000 series storage controllers.
32 *
33 * Author: Vinod Kashyap
34 * Modifications by: Adam Radford
35 */
36
37
38
39 #ifndef TW_CL_FWIF_H
40
41 #define TW_CL_FWIF_H
42
43
44 /*
45 * Macros and data structures for interfacing with the firmware.
46 */
47
48
49 /* Register offsets from base address. */
50 #define TWA_CONTROL_REGISTER_OFFSET 0x0
51 #define TWA_STATUS_REGISTER_OFFSET 0x4
52 #define TWA_COMMAND_QUEUE_OFFSET 0x8
53 #define TWA_RESPONSE_QUEUE_OFFSET 0xC
54 #define TWA_COMMAND_QUEUE_OFFSET_LOW 0x20
55 #define TWA_COMMAND_QUEUE_OFFSET_HIGH 0x24
56 #define TWA_LARGE_RESPONSE_QUEUE_OFFSET 0x30
57
58
59 /* Control register bit definitions. */
60 #define TWA_CONTROL_ISSUE_HOST_INTERRUPT 0x00000020
61 #define TWA_CONTROL_DISABLE_INTERRUPTS 0x00000040
62 #define TWA_CONTROL_ENABLE_INTERRUPTS 0x00000080
63 #define TWA_CONTROL_ISSUE_SOFT_RESET 0x00000100
64 #define TWA_CONTROL_UNMASK_RESPONSE_INTERRUPT 0x00004000
65 #define TWA_CONTROL_UNMASK_COMMAND_INTERRUPT 0x00008000
66 #define TWA_CONTROL_MASK_RESPONSE_INTERRUPT 0x00010000
67 #define TWA_CONTROL_MASK_COMMAND_INTERRUPT 0x00020000
68 #define TWA_CONTROL_CLEAR_ATTENTION_INTERRUPT 0x00040000
69 #define TWA_CONTROL_CLEAR_HOST_INTERRUPT 0x00080000
70 #define TWA_CONTROL_CLEAR_PCI_ABORT 0x00100000
71 #define TWA_CONTROL_CLEAR_QUEUE_ERROR 0x00400000
72 #define TWA_CONTROL_CLEAR_PARITY_ERROR 0x00800000
73
74
75 /* Status register bit definitions. */
76 #define TWA_STATUS_ROM_BIOS_IN_SBUF 0x00000002
77 #define TWA_STATUS_COMMAND_QUEUE_EMPTY 0x00001000
78 #define TWA_STATUS_MICROCONTROLLER_READY 0x00002000
79 #define TWA_STATUS_RESPONSE_QUEUE_EMPTY 0x00004000
80 #define TWA_STATUS_COMMAND_QUEUE_FULL 0x00008000
81 #define TWA_STATUS_RESPONSE_INTERRUPT 0x00010000
82 #define TWA_STATUS_COMMAND_INTERRUPT 0x00020000
83 #define TWA_STATUS_ATTENTION_INTERRUPT 0x00040000
84 #define TWA_STATUS_HOST_INTERRUPT 0x00080000
85 #define TWA_STATUS_PCI_ABORT_INTERRUPT 0x00100000
86 #define TWA_STATUS_MICROCONTROLLER_ERROR 0x00200000
87 #define TWA_STATUS_QUEUE_ERROR_INTERRUPT 0x00400000
88 #define TWA_STATUS_PCI_PARITY_ERROR_INTERRUPT 0x00800000
89 #define TWA_STATUS_MINOR_VERSION_MASK 0x0F000000
90 #define TWA_STATUS_MAJOR_VERSION_MASK 0xF0000000
91
92 #define TWA_STATUS_EXPECTED_BITS 0x00002000
93 #define TWA_STATUS_UNEXPECTED_BITS 0x00F00000
94
95
96 /* PCI related defines. */
97 #define TWA_IO_CONFIG_REG 0x10
98
99 #define TWA_PCI_CONFIG_CLEAR_PARITY_ERROR 0xc100
100 #define TWA_PCI_CONFIG_CLEAR_PCI_ABORT 0x2000
101
102 #define TWA_RESET_PHASE1_NOTIFICATION_RESPONSE 0xFFFF
103 #define TWA_RESET_PHASE1_WAIT_TIME_MS 500
104
105
106 /* Command packet opcodes. */
107 #define TWA_FW_CMD_NOP 0x00
108 #define TWA_FW_CMD_INIT_CONNECTION 0x01
109 #define TWA_FW_CMD_READ 0x02
110 #define TWA_FW_CMD_WRITE 0x03
111 #define TWA_FW_CMD_READVERIFY 0x04
112 #define TWA_FW_CMD_VERIFY 0x05
113 #define TWA_FW_CMD_ZEROUNIT 0x08
114 #define TWA_FW_CMD_REPLACEUNIT 0x09
115 #define TWA_FW_CMD_HOTSWAP 0x0A
116 #define TWA_FW_CMD_SELFTESTS 0x0B
117 #define TWA_FW_CMD_SYNC_PARAM 0x0C
118 #define TWA_FW_CMD_REORDER_UNITS 0x0D
119
120 #define TWA_FW_CMD_EXECUTE_SCSI 0x10
121 #define TWA_FW_CMD_ATA_PASSTHROUGH 0x11
122 #define TWA_FW_CMD_GET_PARAM 0x12
123 #define TWA_FW_CMD_SET_PARAM 0x13
124 #define TWA_FW_CMD_CREATEUNIT 0x14
125 #define TWA_FW_CMD_DELETEUNIT 0x15
126 #define TWA_FW_CMD_DOWNLOAD_FIRMWARE 0x16
127 #define TWA_FW_CMD_REBUILDUNIT 0x17
128 #define TWA_FW_CMD_POWER_MANAGEMENT 0x18
129
130 #define TWA_FW_CMD_REMOTE_PRINT 0x1B
131 #define TWA_FW_CMD_HARD_RESET_FIRMWARE 0x1C
132 #define TWA_FW_CMD_DEBUG 0x1D
133
134 #define TWA_FW_CMD_DIAGNOSTICS 0x1F
135
136
137 /* Misc defines. */
138 #define TWA_SHUTDOWN_MESSAGE_CREDITS 0x001
139 #define TWA_64BIT_SG_ADDRESSES 0x00000001
140 #define TWA_EXTENDED_INIT_CONNECT 0x00000002
141 #define TWA_BASE_MODE 1
142 #define TWA_BASE_FW_SRL 24
143 #define TWA_BASE_FW_BRANCH 0
144 #define TWA_BASE_FW_BUILD 1
145 #define TWA_CURRENT_FW_SRL 30
146 #define TWA_CURRENT_FW_BRANCH_9K 4
147 #define TWA_CURRENT_FW_BUILD_9K 8
148 #define TWA_CURRENT_FW_BRANCH_9K_X 8
149 #define TWA_CURRENT_FW_BUILD_9K_X 4
150 #define TWA_MULTI_LUN_FW_SRL 28
151 #define TWA_ARCH_ID_9K 0x5 /* 9000 PCI controllers */
152 #define TWA_ARCH_ID_9K_X 0x6 /* 9000 PCI-X controllers */
153 #define TWA_CTLR_FW_SAME_OR_NEWER 0x00000001
154 #define TWA_CTLR_FW_COMPATIBLE 0x00000002
155 #define TWA_SENSE_DATA_LENGTH 18
156
157
158 #define TWA_ARCH_ID(device_id) \
159 (((device_id) == TW_CL_DEVICE_ID_9K) ? TWA_ARCH_ID_9K : \
160 TWA_ARCH_ID_9K_X)
161 #define TWA_CURRENT_FW_BRANCH(arch_id) \
162 (((arch_id) == TWA_ARCH_ID_9K) ? TWA_CURRENT_FW_BRANCH_9K : \
163 TWA_CURRENT_FW_BRANCH_9K_X)
164 #define TWA_CURRENT_FW_BUILD(arch_id) \
165 (((arch_id) == TWA_ARCH_ID_9K) ? TWA_CURRENT_FW_BUILD_9K : \
166 TWA_CURRENT_FW_BUILD_9K_X)
167
168 /*
169 * All SG addresses and DMA'able memory allocated by the OSL should be
170 * TWA_ALIGNMENT bytes aligned, and have a size that is a multiple of
171 * TWA_SG_ELEMENT_SIZE_FACTOR.
172 */
173 #define TWA_ALIGNMENT(device_id) 0x4
174 #define TWA_SG_ELEMENT_SIZE_FACTOR(device_id) \
175 (((device_id) == TW_CL_DEVICE_ID_9K) ? 512 : 4)
176
177
178 /*
179 * Some errors of interest (in cmd_hdr->status_block.error) when a command
180 * is completed by the firmware with a bad status.
181 */
182 #define TWA_ERROR_LOGICAL_UNIT_NOT_SUPPORTED 0x010a
183 #define TWA_ERROR_UNIT_OFFLINE 0x0128
184 #define TWA_ERROR_MORE_DATA 0x0231
185
186
187 /* AEN codes of interest. */
188 #define TWA_AEN_QUEUE_EMPTY 0x00
189 #define TWA_AEN_SOFT_RESET 0x01
190 #define TWA_AEN_SYNC_TIME_WITH_HOST 0x31
191
192
193 /* Table #'s and id's of parameters of interest in firmware's param table. */
194 #define TWA_PARAM_VERSION_TABLE 0x0402
195 #define TWA_PARAM_VERSION_FW 3 /* firmware version [16] */
196 #define TWA_PARAM_VERSION_BIOS 4 /* BIOSs version [16] */
197 #define TWA_PARAM_CTLR_MODEL 8 /* Controller model [16] */
198
199 #define TWA_PARAM_CONTROLLER_TABLE 0x0403
200 #define TWA_PARAM_CONTROLLER_PORT_COUNT 3 /* number of ports [1] */
201
202 #define TWA_PARAM_TIME_TABLE 0x40A
203 #define TWA_PARAM_TIME_SCHED_TIME 0x3
204
205 #define TWA_9K_PARAM_DESCRIPTOR 0x8000
206
207
208 #pragma pack(1)
209 /* 7000 structures. */
210 struct tw_cl_command_init_connect {
211 TW_UINT8 res1__opcode; /* 3:5 */
212 TW_UINT8 size;
213 TW_UINT8 request_id;
214 TW_UINT8 res2;
215 TW_UINT8 status;
216 TW_UINT8 flags;
217 TW_UINT16 message_credits;
218 TW_UINT32 features;
219 TW_UINT16 fw_srl;
220 TW_UINT16 fw_arch_id;
221 TW_UINT16 fw_branch;
222 TW_UINT16 fw_build;
223 TW_UINT32 result;
224 };
225
226
227 /* Structure for downloading firmware onto the controller. */
228 struct tw_cl_command_download_firmware {
229 TW_UINT8 sgl_off__opcode;/* 3:5 */
230 TW_UINT8 size;
231 TW_UINT8 request_id;
232 TW_UINT8 unit;
233 TW_UINT8 status;
234 TW_UINT8 flags;
235 TW_UINT16 param;
236 TW_UINT8 sgl[1];
237 };
238
239
240 /* Structure for hard resetting the controller. */
241 struct tw_cl_command_reset_firmware {
242 TW_UINT8 res1__opcode; /* 3:5 */
243 TW_UINT8 size;
244 TW_UINT8 request_id;
245 TW_UINT8 unit;
246 TW_UINT8 status;
247 TW_UINT8 flags;
248 TW_UINT8 res2;
249 TW_UINT8 param;
250 };
251
252
253 /* Structure for sending get/set param commands. */
254 struct tw_cl_command_param {
255 TW_UINT8 sgl_off__opcode;/* 3:5 */
256 TW_UINT8 size;
257 TW_UINT8 request_id;
258 TW_UINT8 host_id__unit; /* 4:4 */
259 TW_UINT8 status;
260 TW_UINT8 flags;
261 TW_UINT16 param_count;
262 TW_UINT8 sgl[1];
263 };
264
265
266 /* Generic command packet. */
267 struct tw_cl_command_generic {
268 TW_UINT8 sgl_off__opcode;/* 3:5 */
269 TW_UINT8 size;
270 TW_UINT8 request_id;
271 TW_UINT8 host_id__unit; /* 4:4 */
272 TW_UINT8 status;
273 TW_UINT8 flags;
274 TW_UINT16 count; /* block cnt, parameter cnt, message credits */
275 };
276
277
278 /* Command packet header. */
279 struct tw_cl_command_header {
280 TW_UINT8 sense_data[TWA_SENSE_DATA_LENGTH];
281 struct {
282 TW_INT8 reserved[4];
283 TW_UINT16 error;
284 TW_UINT8 padding;
285 TW_UINT8 res__severity; /* 5:3 */
286 } status_block;
287 TW_UINT8 err_specific_desc[98];
288 struct {
289 TW_UINT8 size_header;
290 TW_UINT16 reserved;
291 TW_UINT8 size_sense;
292 } header_desc;
293 };
294
295
296 /* 7000 Command packet. */
297 union tw_cl_command_7k {
298 struct tw_cl_command_init_connect init_connect;
299 struct tw_cl_command_download_firmware download_fw;
300 struct tw_cl_command_reset_firmware reset_fw;
301 struct tw_cl_command_param param;
302 struct tw_cl_command_generic generic;
303 TW_UINT8 padding[1024 - sizeof(struct tw_cl_command_header)];
304 };
305
306
307 /* 9000 Command Packet. */
308 struct tw_cl_command_9k {
309 TW_UINT8 res__opcode; /* 3:5 */
310 TW_UINT8 unit;
311 TW_UINT16 lun_l4__req_id; /* 4:12 */
312 TW_UINT8 status;
313 TW_UINT8 sgl_offset; /* offset (in bytes) to sg_list, from the
314 end of sgl_entries */
315 TW_UINT16 lun_h4__sgl_entries;
316 TW_UINT8 cdb[16];
317 TW_UINT8 sg_list[872];/* total struct size =
318 1024-sizeof(cmd_hdr) */
319 };
320
321
322 /* Full command packet. */
323 struct tw_cl_command_packet {
324 struct tw_cl_command_header cmd_hdr;
325 union {
326 union tw_cl_command_7k cmd_pkt_7k;
327 struct tw_cl_command_9k cmd_pkt_9k;
328 } command;
329 };
330
331
332 /* Structure describing payload for get/set param commands. */
333 struct tw_cl_param_9k {
334 TW_UINT16 table_id;
335 TW_UINT8 parameter_id;
336 TW_UINT8 reserved;
337 TW_UINT16 parameter_size_bytes;
338 TW_UINT16 parameter_actual_size_bytes;
339 TW_UINT8 data[1];
340 };
341 #pragma pack()
342
343
344 /* Functions to read from, and write to registers */
345 #define TW_CLI_WRITE_CONTROL_REGISTER(ctlr_handle, value) \
346 tw_osl_write_reg(ctlr_handle, TWA_CONTROL_REGISTER_OFFSET, value, 4)
347
348
349 #define TW_CLI_READ_STATUS_REGISTER(ctlr_handle) \
350 tw_osl_read_reg(ctlr_handle, TWA_STATUS_REGISTER_OFFSET, 4)
351
352
353 #define TW_CLI_WRITE_COMMAND_QUEUE(ctlr_handle, value) do { \
354 if (ctlr->flags & TW_CL_64BIT_ADDRESSES) { \
355 /* First write the low 4 bytes, then the high 4. */ \
356 tw_osl_write_reg(ctlr_handle, TWA_COMMAND_QUEUE_OFFSET_LOW, \
357 (TW_UINT32)(value), 4); \
358 tw_osl_write_reg(ctlr_handle, TWA_COMMAND_QUEUE_OFFSET_HIGH,\
359 (TW_UINT32)(((TW_UINT64)value)>>32), 4); \
360 } else \
361 tw_osl_write_reg(ctlr_handle, TWA_COMMAND_QUEUE_OFFSET, \
362 (TW_UINT32)(value), 4); \
363 } while (0)
364
365
366 #define TW_CLI_READ_RESPONSE_QUEUE(ctlr_handle) \
367 tw_osl_read_reg(ctlr_handle, TWA_RESPONSE_QUEUE_OFFSET, 4)
368
369
370 #define TW_CLI_READ_LARGE_RESPONSE_QUEUE(ctlr_handle) \
371 tw_osl_read_reg(ctlr_handle, TWA_LARGE_RESPONSE_QUEUE_OFFSET, 4)
372
373
374 #define TW_CLI_SOFT_RESET(ctlr) \
375 TW_CLI_WRITE_CONTROL_REGISTER(ctlr, \
376 TWA_CONTROL_ISSUE_SOFT_RESET | \
377 TWA_CONTROL_CLEAR_HOST_INTERRUPT | \
378 TWA_CONTROL_CLEAR_ATTENTION_INTERRUPT | \
379 TWA_CONTROL_MASK_COMMAND_INTERRUPT | \
380 TWA_CONTROL_MASK_RESPONSE_INTERRUPT | \
381 TWA_CONTROL_DISABLE_INTERRUPTS)
382
383 /* Detect inconsistencies in the status register. */
384 #define TW_CLI_STATUS_ERRORS(x) \
385 ((x & TWA_STATUS_UNEXPECTED_BITS) && \
386 (x & TWA_STATUS_MICROCONTROLLER_READY))
387
388
389 /*
390 * Functions for making transparent, the bit fields in firmware
391 * interface structures.
392 */
393 #define BUILD_SGL_OFF__OPCODE(sgl_off, opcode) \
394 ((sgl_off << 5) & 0xE0) | (opcode & 0x1F) /* 3:5 */
395
396 #define BUILD_RES__OPCODE(res, opcode) \
397 ((res << 5) & 0xE0) | (opcode & 0x1F) /* 3:5 */
398
399 #define BUILD_HOST_ID__UNIT(host_id, unit) \
400 ((host_id << 4) & 0xF0) | (unit & 0xF) /* 4:4 */
401
402 #define BUILD_RES__SEVERITY(res, severity) \
403 ((res << 3) & 0xF8) | (severity & 0x7) /* 5:3 */
404
405 #define BUILD_LUN_L4__REQ_ID(lun, req_id) \
406 (((lun << 12) & 0xF000) | (req_id & 0xFFF)) /* 4:12 */
407
408 #define BUILD_LUN_H4__SGL_ENTRIES(lun, sgl_entries) \
409 (((lun << 8) & 0xF000) | (sgl_entries & 0xFFF)) /* 4:12 */
410
411
412 #define GET_OPCODE(sgl_off__opcode) \
413 (sgl_off__opcode & 0x1F) /* 3:5 */
414
415 #define GET_SGL_OFF(sgl_off__opcode) \
416 ((sgl_off__opcode >> 5) & 0x7) /* 3:5 */
417
418 #define GET_UNIT(host_id__unit) \
419 (host_id__unit & 0xF) /* 4:4 */
420
421 #define GET_HOST_ID(host_id__unit) \
422 ((host_id__unit >> 4) & 0xF) /* 4:4 */
423
424 #define GET_SEVERITY(res__severity) \
425 (res__severity & 0x7) /* 5:3 */
426
427 #define GET_RESP_ID(undef2__resp_id__undef1) \
428 ((undef2__resp_id__undef1 >> 4) & 0xFF) /* 20:8:4 */
429
430 #define GET_RESP_ID_9K_X(undef2__resp_id) \
431 ((undef2__resp_id) & 0xFFF) /* 20:12 */
432
433 #define GET_LARGE_RESP_ID(misc__large_resp_id) \
434 ((misc__large_resp_id) & 0xFFFF) /* 16:16 */
435
436 #define GET_REQ_ID(lun_l4__req_id) \
437 (lun_l4__req_id & 0xFFF) /* 4:12 */
438
439 #define GET_LUN_L4(lun_l4__req_id) \
440 ((lun_l4__req_id >> 12) & 0xF) /* 4:12 */
441
442 #define GET_SGL_ENTRIES(lun_h4__sgl_entries) \
443 (lun_h4__sgl_entries & 0xFFF) /* 4:12 */
444
445 #define GET_LUN_H4(lun_h4__sgl_entries) \
446 ((lun_h4__sgl_entries >> 12) & 0xF) /* 4:12 */
447
448
449
450 #endif /* TW_CL_FWIF_H */
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