Linux-libre 5.4.48-gnu
[librecmc/linux-libre.git] / drivers / scsi / arcmsr / arcmsr.h
1 /*
2 *******************************************************************************
3 **        O.S   : Linux
4 **   FILE NAME  : arcmsr.h
5 **        BY    : Nick Cheng
6 **   Description: SCSI RAID Device Driver for
7 **                ARECA RAID Host adapter
8 *******************************************************************************
9 ** Copyright (C) 2002 - 2005, Areca Technology Corporation All rights reserved.
10 **
11 **     Web site: www.areca.com.tw
12 **       E-mail: support@areca.com.tw
13 **
14 ** This program is free software; you can redistribute it and/or modify
15 ** it under the terms of the GNU General Public License version 2 as
16 ** published by the Free Software Foundation.
17 ** This program is distributed in the hope that it will be useful,
18 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
19 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
20 ** GNU General Public License for more details.
21 *******************************************************************************
22 ** Redistribution and use in source and binary forms, with or without
23 ** modification, are permitted provided that the following conditions
24 ** are met:
25 ** 1. Redistributions of source code must retain the above copyright
26 **    notice, this list of conditions and the following disclaimer.
27 ** 2. Redistributions in binary form must reproduce the above copyright
28 **    notice, this list of conditions and the following disclaimer in the
29 **    documentation and/or other materials provided with the distribution.
30 ** 3. The name of the author may not be used to endorse or promote products
31 **    derived from this software without specific prior written permission.
32 **
33 ** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
34 ** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
35 ** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
36 ** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
37 ** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES(INCLUDING, BUT
38 ** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
39 ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION)HOWEVER CAUSED AND ON ANY
40 ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
41 **(INCLUDING NEGLIGENCE OR OTHERWISE)ARISING IN ANY WAY OUT OF THE USE OF
42 ** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
43 *******************************************************************************
44 */
45 #include <linux/interrupt.h>
46 struct device_attribute;
47 /*The limit of outstanding scsi command that firmware can handle*/
48 #define ARCMSR_MAX_FREECCB_NUM          1024
49 #define ARCMSR_MAX_OUTSTANDING_CMD      1024
50 #define ARCMSR_DEFAULT_OUTSTANDING_CMD  128
51 #define ARCMSR_MIN_OUTSTANDING_CMD      32
52 #define ARCMSR_DRIVER_VERSION           "v1.40.00.10-20190116"
53 #define ARCMSR_SCSI_INITIATOR_ID        255
54 #define ARCMSR_MAX_XFER_SECTORS         512
55 #define ARCMSR_MAX_XFER_SECTORS_B       4096
56 #define ARCMSR_MAX_XFER_SECTORS_C       304
57 #define ARCMSR_MAX_TARGETID             17
58 #define ARCMSR_MAX_TARGETLUN            8
59 #define ARCMSR_MAX_CMD_PERLUN           128
60 #define ARCMSR_DEFAULT_CMD_PERLUN       32
61 #define ARCMSR_MIN_CMD_PERLUN           1
62 #define ARCMSR_MAX_QBUFFER              4096
63 #define ARCMSR_DEFAULT_SG_ENTRIES       38
64 #define ARCMSR_MAX_HBB_POSTQUEUE        264
65 #define ARCMSR_MAX_ARC1214_POSTQUEUE    256
66 #define ARCMSR_MAX_ARC1214_DONEQUEUE    257
67 #define ARCMSR_MAX_HBE_DONEQUEUE        512
68 #define ARCMSR_MAX_XFER_LEN             0x26000 /* 152K */
69 #define ARCMSR_CDB_SG_PAGE_LENGTH       256
70 #define ARCMST_NUM_MSIX_VECTORS         4
71 #ifndef PCI_DEVICE_ID_ARECA_1880
72 #define PCI_DEVICE_ID_ARECA_1880        0x1880
73 #endif
74 #ifndef PCI_DEVICE_ID_ARECA_1214
75 #define PCI_DEVICE_ID_ARECA_1214        0x1214
76 #endif
77 #ifndef PCI_DEVICE_ID_ARECA_1203
78 #define PCI_DEVICE_ID_ARECA_1203        0x1203
79 #endif
80 #ifndef PCI_DEVICE_ID_ARECA_1884
81 #define PCI_DEVICE_ID_ARECA_1884        0x1884
82 #endif
83 #define ARCMSR_HOURS                    (1000 * 60 * 60 * 4)
84 #define ARCMSR_MINUTES                  (1000 * 60 * 60)
85 /*
86 **********************************************************************************
87 **
88 **********************************************************************************
89 */
90 #define ARC_SUCCESS     0
91 #define ARC_FAILURE     1
92 /*
93 *******************************************************************************
94 **        split 64bits dma addressing
95 *******************************************************************************
96 */
97 #define dma_addr_hi32(addr)     (uint32_t) ((addr>>16)>>16)
98 #define dma_addr_lo32(addr)     (uint32_t) (addr & 0xffffffff)
99 /*
100 *******************************************************************************
101 **        MESSAGE CONTROL CODE
102 *******************************************************************************
103 */
104 struct CMD_MESSAGE
105 {
106       uint32_t HeaderLength;
107       uint8_t  Signature[8];
108       uint32_t Timeout;
109       uint32_t ControlCode;
110       uint32_t ReturnCode;
111       uint32_t Length;
112 };
113 /*
114 *******************************************************************************
115 **        IOP Message Transfer Data for user space
116 *******************************************************************************
117 */
118 #define ARCMSR_API_DATA_BUFLEN  1032
119 struct CMD_MESSAGE_FIELD
120 {
121     struct CMD_MESSAGE                  cmdmessage;
122     uint8_t                             messagedatabuffer[ARCMSR_API_DATA_BUFLEN];
123 };
124 /* IOP message transfer */
125 #define ARCMSR_MESSAGE_FAIL                     0x0001
126 /* DeviceType */
127 #define ARECA_SATA_RAID                         0x90000000
128 /* FunctionCode */
129 #define FUNCTION_READ_RQBUFFER                  0x0801
130 #define FUNCTION_WRITE_WQBUFFER                 0x0802
131 #define FUNCTION_CLEAR_RQBUFFER                 0x0803
132 #define FUNCTION_CLEAR_WQBUFFER                 0x0804
133 #define FUNCTION_CLEAR_ALLQBUFFER               0x0805
134 #define FUNCTION_RETURN_CODE_3F                 0x0806
135 #define FUNCTION_SAY_HELLO                      0x0807
136 #define FUNCTION_SAY_GOODBYE                    0x0808
137 #define FUNCTION_FLUSH_ADAPTER_CACHE            0x0809
138 #define FUNCTION_GET_FIRMWARE_STATUS            0x080A
139 #define FUNCTION_HARDWARE_RESET                 0x080B
140 /* ARECA IO CONTROL CODE*/
141 #define ARCMSR_MESSAGE_READ_RQBUFFER       \
142         ARECA_SATA_RAID | FUNCTION_READ_RQBUFFER
143 #define ARCMSR_MESSAGE_WRITE_WQBUFFER      \
144         ARECA_SATA_RAID | FUNCTION_WRITE_WQBUFFER
145 #define ARCMSR_MESSAGE_CLEAR_RQBUFFER      \
146         ARECA_SATA_RAID | FUNCTION_CLEAR_RQBUFFER
147 #define ARCMSR_MESSAGE_CLEAR_WQBUFFER      \
148         ARECA_SATA_RAID | FUNCTION_CLEAR_WQBUFFER
149 #define ARCMSR_MESSAGE_CLEAR_ALLQBUFFER    \
150         ARECA_SATA_RAID | FUNCTION_CLEAR_ALLQBUFFER
151 #define ARCMSR_MESSAGE_RETURN_CODE_3F      \
152         ARECA_SATA_RAID | FUNCTION_RETURN_CODE_3F
153 #define ARCMSR_MESSAGE_SAY_HELLO           \
154         ARECA_SATA_RAID | FUNCTION_SAY_HELLO
155 #define ARCMSR_MESSAGE_SAY_GOODBYE         \
156         ARECA_SATA_RAID | FUNCTION_SAY_GOODBYE
157 #define ARCMSR_MESSAGE_FLUSH_ADAPTER_CACHE \
158         ARECA_SATA_RAID | FUNCTION_FLUSH_ADAPTER_CACHE
159 /* ARECA IOCTL ReturnCode */
160 #define ARCMSR_MESSAGE_RETURNCODE_OK            0x00000001
161 #define ARCMSR_MESSAGE_RETURNCODE_ERROR         0x00000006
162 #define ARCMSR_MESSAGE_RETURNCODE_3F            0x0000003F
163 #define ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON   0x00000088
164 /*
165 *************************************************************
166 **   structure for holding DMA address data
167 *************************************************************
168 */
169 #define IS_DMA64        (sizeof(dma_addr_t) == 8)
170 #define IS_SG64_ADDR    0x01000000 /* bit24 */
171 struct  SG32ENTRY
172 {
173         __le32          length;
174         __le32          address;
175 }__attribute__ ((packed));
176 struct  SG64ENTRY
177 {
178         __le32          length;
179         __le32          address;
180         __le32          addresshigh;
181 }__attribute__ ((packed));
182 /*
183 ********************************************************************
184 **      Q Buffer of IOP Message Transfer
185 ********************************************************************
186 */
187 struct QBUFFER
188 {
189         uint32_t      data_len;
190         uint8_t       data[124];
191 };
192 /*
193 *******************************************************************************
194 **      FIRMWARE INFO for Intel IOP R 80331 processor (Type A)
195 *******************************************************************************
196 */
197 struct FIRMWARE_INFO
198 {
199         uint32_t        signature;              /*0, 00-03*/
200         uint32_t        request_len;            /*1, 04-07*/
201         uint32_t        numbers_queue;          /*2, 08-11*/
202         uint32_t        sdram_size;             /*3, 12-15*/
203         uint32_t        ide_channels;           /*4, 16-19*/
204         char            vendor[40];             /*5, 20-59*/
205         char            model[8];               /*15, 60-67*/
206         char            firmware_ver[16];       /*17, 68-83*/
207         char            device_map[16];         /*21, 84-99*/
208         uint32_t        cfgVersion;             /*25,100-103 Added for checking of new firmware capability*/
209         uint8_t         cfgSerial[16];          /*26,104-119*/
210         uint32_t        cfgPicStatus;           /*30,120-123*/
211 };
212 /* signature of set and get firmware config */
213 #define ARCMSR_SIGNATURE_GET_CONFIG             0x87974060
214 #define ARCMSR_SIGNATURE_SET_CONFIG             0x87974063
215 /* message code of inbound message register */
216 #define ARCMSR_INBOUND_MESG0_NOP                0x00000000
217 #define ARCMSR_INBOUND_MESG0_GET_CONFIG         0x00000001
218 #define ARCMSR_INBOUND_MESG0_SET_CONFIG         0x00000002
219 #define ARCMSR_INBOUND_MESG0_ABORT_CMD          0x00000003
220 #define ARCMSR_INBOUND_MESG0_STOP_BGRB          0x00000004
221 #define ARCMSR_INBOUND_MESG0_FLUSH_CACHE        0x00000005
222 #define ARCMSR_INBOUND_MESG0_START_BGRB         0x00000006
223 #define ARCMSR_INBOUND_MESG0_CHK331PENDING      0x00000007
224 #define ARCMSR_INBOUND_MESG0_SYNC_TIMER         0x00000008
225 /* doorbell interrupt generator */
226 #define ARCMSR_INBOUND_DRIVER_DATA_WRITE_OK     0x00000001
227 #define ARCMSR_INBOUND_DRIVER_DATA_READ_OK      0x00000002
228 #define ARCMSR_OUTBOUND_IOP331_DATA_WRITE_OK    0x00000001
229 #define ARCMSR_OUTBOUND_IOP331_DATA_READ_OK     0x00000002
230 /* ccb areca cdb flag */
231 #define ARCMSR_CCBPOST_FLAG_SGL_BSIZE           0x80000000
232 #define ARCMSR_CCBPOST_FLAG_IAM_BIOS            0x40000000
233 #define ARCMSR_CCBREPLY_FLAG_IAM_BIOS           0x40000000
234 #define ARCMSR_CCBREPLY_FLAG_ERROR_MODE0        0x10000000
235 #define ARCMSR_CCBREPLY_FLAG_ERROR_MODE1        0x00000001
236 /* outbound firmware ok */
237 #define ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK       0x80000000
238 /* ARC-1680 Bus Reset*/
239 #define ARCMSR_ARC1680_BUS_RESET                0x00000003
240 /* ARC-1880 Bus Reset*/
241 #define ARCMSR_ARC1880_RESET_ADAPTER            0x00000024
242 #define ARCMSR_ARC1880_DiagWrite_ENABLE         0x00000080
243
244 /*
245 ************************************************************************
246 **                SPEC. for Areca Type B adapter
247 ************************************************************************
248 */
249 /* ARECA HBB COMMAND for its FIRMWARE */
250 /* window of "instruction flags" from driver to iop */
251 #define ARCMSR_DRV2IOP_DOORBELL                       0x00020400
252 #define ARCMSR_DRV2IOP_DOORBELL_MASK                  0x00020404
253 /* window of "instruction flags" from iop to driver */
254 #define ARCMSR_IOP2DRV_DOORBELL                       0x00020408
255 #define ARCMSR_IOP2DRV_DOORBELL_MASK                  0x0002040C
256 /* window of "instruction flags" from iop to driver */
257 #define ARCMSR_IOP2DRV_DOORBELL_1203                  0x00021870
258 #define ARCMSR_IOP2DRV_DOORBELL_MASK_1203             0x00021874
259 /* window of "instruction flags" from driver to iop */
260 #define ARCMSR_DRV2IOP_DOORBELL_1203                  0x00021878
261 #define ARCMSR_DRV2IOP_DOORBELL_MASK_1203             0x0002187C
262 /* ARECA FLAG LANGUAGE */
263 /* ioctl transfer */
264 #define ARCMSR_IOP2DRV_DATA_WRITE_OK                  0x00000001
265 /* ioctl transfer */
266 #define ARCMSR_IOP2DRV_DATA_READ_OK                   0x00000002
267 #define ARCMSR_IOP2DRV_CDB_DONE                       0x00000004
268 #define ARCMSR_IOP2DRV_MESSAGE_CMD_DONE               0x00000008
269
270 #define ARCMSR_DOORBELL_HANDLE_INT                    0x0000000F
271 #define ARCMSR_DOORBELL_INT_CLEAR_PATTERN             0xFF00FFF0
272 #define ARCMSR_MESSAGE_INT_CLEAR_PATTERN              0xFF00FFF7
273 /* (ARCMSR_INBOUND_MESG0_GET_CONFIG<<16)|ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED) */
274 #define ARCMSR_MESSAGE_GET_CONFIG                     0x00010008
275 /* (ARCMSR_INBOUND_MESG0_SET_CONFIG<<16)|ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED) */
276 #define ARCMSR_MESSAGE_SET_CONFIG                     0x00020008
277 /* (ARCMSR_INBOUND_MESG0_ABORT_CMD<<16)|ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED) */
278 #define ARCMSR_MESSAGE_ABORT_CMD                      0x00030008
279 /* (ARCMSR_INBOUND_MESG0_STOP_BGRB<<16)|ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED) */
280 #define ARCMSR_MESSAGE_STOP_BGRB                      0x00040008
281 /* (ARCMSR_INBOUND_MESG0_FLUSH_CACHE<<16)|ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED) */
282 #define ARCMSR_MESSAGE_FLUSH_CACHE                    0x00050008
283 /* (ARCMSR_INBOUND_MESG0_START_BGRB<<16)|ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED) */
284 #define ARCMSR_MESSAGE_START_BGRB                     0x00060008
285 #define ARCMSR_MESSAGE_SYNC_TIMER                     0x00080008
286 #define ARCMSR_MESSAGE_START_DRIVER_MODE              0x000E0008
287 #define ARCMSR_MESSAGE_SET_POST_WINDOW                0x000F0008
288 #define ARCMSR_MESSAGE_ACTIVE_EOI_MODE                0x00100008
289 /* ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK */
290 #define ARCMSR_MESSAGE_FIRMWARE_OK                    0x80000000
291 /* ioctl transfer */
292 #define ARCMSR_DRV2IOP_DATA_WRITE_OK                  0x00000001
293 /* ioctl transfer */
294 #define ARCMSR_DRV2IOP_DATA_READ_OK                   0x00000002
295 #define ARCMSR_DRV2IOP_CDB_POSTED                     0x00000004
296 #define ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED             0x00000008
297 #define ARCMSR_DRV2IOP_END_OF_INTERRUPT               0x00000010
298
299 /* data tunnel buffer between user space program and its firmware */
300 /* user space data to iop 128bytes */
301 #define ARCMSR_MESSAGE_WBUFFER                        0x0000fe00
302 /* iop data to user space 128bytes */
303 #define ARCMSR_MESSAGE_RBUFFER                        0x0000ff00
304 /* iop message_rwbuffer for message command */
305 #define ARCMSR_MESSAGE_RWBUFFER                       0x0000fa00
306
307 #define MEM_BASE0(x)    (u32 __iomem *)((unsigned long)acb->mem_base0 + x)
308 #define MEM_BASE1(x)    (u32 __iomem *)((unsigned long)acb->mem_base1 + x)
309 /* 
310 ************************************************************************
311 **                SPEC. for Areca HBC adapter
312 ************************************************************************
313 */
314 #define ARCMSR_HBC_ISR_THROTTLING_LEVEL         12
315 #define ARCMSR_HBC_ISR_MAX_DONE_QUEUE           20
316 /* Host Interrupt Mask */
317 #define ARCMSR_HBCMU_UTILITY_A_ISR_MASK         0x00000001 /* When clear, the Utility_A interrupt routes to the host.*/
318 #define ARCMSR_HBCMU_OUTBOUND_DOORBELL_ISR_MASK 0x00000004 /* When clear, the General Outbound Doorbell interrupt routes to the host.*/
319 #define ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR_MASK        0x00000008 /* When clear, the Outbound Post List FIFO Not Empty interrupt routes to the host.*/
320 #define ARCMSR_HBCMU_ALL_INTMASKENABLE          0x0000000D /* disable all ISR */
321 /* Host Interrupt Status */
322 #define ARCMSR_HBCMU_UTILITY_A_ISR              0x00000001
323         /*
324         ** Set when the Utility_A Interrupt bit is set in the Outbound Doorbell Register.
325         ** It clears by writing a 1 to the Utility_A bit in the Outbound Doorbell Clear Register or through automatic clearing (if enabled).
326         */
327 #define ARCMSR_HBCMU_OUTBOUND_DOORBELL_ISR      0x00000004
328         /*
329         ** Set if Outbound Doorbell register bits 30:1 have a non-zero
330         ** value. This bit clears only when Outbound Doorbell bits
331         ** 30:1 are ALL clear. Only a write to the Outbound Doorbell
332         ** Clear register clears bits in the Outbound Doorbell register.
333         */
334 #define ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR     0x00000008
335         /*
336         ** Set whenever the Outbound Post List Producer/Consumer
337         ** Register (FIFO) is not empty. It clears when the Outbound
338         ** Post List FIFO is empty.
339         */
340 #define ARCMSR_HBCMU_SAS_ALL_INT                0x00000010
341         /*
342         ** This bit indicates a SAS interrupt from a source external to
343         ** the PCIe core. This bit is not maskable.
344         */
345         /* DoorBell*/
346 #define ARCMSR_HBCMU_DRV2IOP_DATA_WRITE_OK                      0x00000002
347 #define ARCMSR_HBCMU_DRV2IOP_DATA_READ_OK                       0x00000004
348         /*inbound message 0 ready*/
349 #define ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE                   0x00000008
350         /*more than 12 request completed in a time*/
351 #define ARCMSR_HBCMU_DRV2IOP_POSTQUEUE_THROTTLING               0x00000010
352 #define ARCMSR_HBCMU_IOP2DRV_DATA_WRITE_OK                      0x00000002
353         /*outbound DATA WRITE isr door bell clear*/
354 #define ARCMSR_HBCMU_IOP2DRV_DATA_WRITE_DOORBELL_CLEAR          0x00000002
355 #define ARCMSR_HBCMU_IOP2DRV_DATA_READ_OK                       0x00000004
356         /*outbound DATA READ isr door bell clear*/
357 #define ARCMSR_HBCMU_IOP2DRV_DATA_READ_DOORBELL_CLEAR           0x00000004
358         /*outbound message 0 ready*/
359 #define ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE                   0x00000008
360         /*outbound message cmd isr door bell clear*/
361 #define ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR    0x00000008
362         /*ARCMSR_HBAMU_MESSAGE_FIRMWARE_OK*/
363 #define ARCMSR_HBCMU_MESSAGE_FIRMWARE_OK                        0x80000000
364 /*
365 *******************************************************************************
366 **                SPEC. for Areca Type D adapter
367 *******************************************************************************
368 */
369 #define ARCMSR_ARC1214_CHIP_ID                          0x00004
370 #define ARCMSR_ARC1214_CPU_MEMORY_CONFIGURATION         0x00008
371 #define ARCMSR_ARC1214_I2_HOST_INTERRUPT_MASK           0x00034
372 #define ARCMSR_ARC1214_SAMPLE_RESET                     0x00100
373 #define ARCMSR_ARC1214_RESET_REQUEST                    0x00108
374 #define ARCMSR_ARC1214_MAIN_INTERRUPT_STATUS            0x00200
375 #define ARCMSR_ARC1214_PCIE_F0_INTERRUPT_ENABLE         0x0020C
376 #define ARCMSR_ARC1214_INBOUND_MESSAGE0                 0x00400
377 #define ARCMSR_ARC1214_INBOUND_MESSAGE1                 0x00404
378 #define ARCMSR_ARC1214_OUTBOUND_MESSAGE0                0x00420
379 #define ARCMSR_ARC1214_OUTBOUND_MESSAGE1                0x00424
380 #define ARCMSR_ARC1214_INBOUND_DOORBELL                 0x00460
381 #define ARCMSR_ARC1214_OUTBOUND_DOORBELL                0x00480
382 #define ARCMSR_ARC1214_OUTBOUND_DOORBELL_ENABLE         0x00484
383 #define ARCMSR_ARC1214_INBOUND_LIST_BASE_LOW            0x01000
384 #define ARCMSR_ARC1214_INBOUND_LIST_BASE_HIGH           0x01004
385 #define ARCMSR_ARC1214_INBOUND_LIST_WRITE_POINTER       0x01018
386 #define ARCMSR_ARC1214_OUTBOUND_LIST_BASE_LOW           0x01060
387 #define ARCMSR_ARC1214_OUTBOUND_LIST_BASE_HIGH          0x01064
388 #define ARCMSR_ARC1214_OUTBOUND_LIST_COPY_POINTER       0x0106C
389 #define ARCMSR_ARC1214_OUTBOUND_LIST_READ_POINTER       0x01070
390 #define ARCMSR_ARC1214_OUTBOUND_INTERRUPT_CAUSE         0x01088
391 #define ARCMSR_ARC1214_OUTBOUND_INTERRUPT_ENABLE        0x0108C
392 #define ARCMSR_ARC1214_MESSAGE_WBUFFER                  0x02000
393 #define ARCMSR_ARC1214_MESSAGE_RBUFFER                  0x02100
394 #define ARCMSR_ARC1214_MESSAGE_RWBUFFER                 0x02200
395 /* Host Interrupt Mask */
396 #define ARCMSR_ARC1214_ALL_INT_ENABLE                   0x00001010
397 #define ARCMSR_ARC1214_ALL_INT_DISABLE                  0x00000000
398 /* Host Interrupt Status */
399 #define ARCMSR_ARC1214_OUTBOUND_DOORBELL_ISR            0x00001000
400 #define ARCMSR_ARC1214_OUTBOUND_POSTQUEUE_ISR           0x00000010
401 /* DoorBell*/
402 #define ARCMSR_ARC1214_DRV2IOP_DATA_IN_READY            0x00000001
403 #define ARCMSR_ARC1214_DRV2IOP_DATA_OUT_READ            0x00000002
404 /*inbound message 0 ready*/
405 #define ARCMSR_ARC1214_IOP2DRV_DATA_WRITE_OK            0x00000001
406 /*outbound DATA WRITE isr door bell clear*/
407 #define ARCMSR_ARC1214_IOP2DRV_DATA_READ_OK             0x00000002
408 /*outbound message 0 ready*/
409 #define ARCMSR_ARC1214_IOP2DRV_MESSAGE_CMD_DONE         0x02000000
410 /*outbound message cmd isr door bell clear*/
411 /*ARCMSR_HBAMU_MESSAGE_FIRMWARE_OK*/
412 #define ARCMSR_ARC1214_MESSAGE_FIRMWARE_OK              0x80000000
413 #define ARCMSR_ARC1214_OUTBOUND_LIST_INTERRUPT_CLEAR    0x00000001
414 /*
415 *******************************************************************************
416 **                SPEC. for Areca Type E adapter
417 *******************************************************************************
418 */
419 #define ARCMSR_SIGNATURE_1884                   0x188417D3
420
421 #define ARCMSR_HBEMU_DRV2IOP_DATA_WRITE_OK      0x00000002
422 #define ARCMSR_HBEMU_DRV2IOP_DATA_READ_OK       0x00000004
423 #define ARCMSR_HBEMU_DRV2IOP_MESSAGE_CMD_DONE   0x00000008
424
425 #define ARCMSR_HBEMU_IOP2DRV_DATA_WRITE_OK      0x00000002
426 #define ARCMSR_HBEMU_IOP2DRV_DATA_READ_OK       0x00000004
427 #define ARCMSR_HBEMU_IOP2DRV_MESSAGE_CMD_DONE   0x00000008
428
429 #define ARCMSR_HBEMU_MESSAGE_FIRMWARE_OK        0x80000000
430
431 #define ARCMSR_HBEMU_OUTBOUND_DOORBELL_ISR      0x00000001
432 #define ARCMSR_HBEMU_OUTBOUND_POSTQUEUE_ISR     0x00000008
433 #define ARCMSR_HBEMU_ALL_INTMASKENABLE          0x00000009
434
435 /* ARC-1884 doorbell sync */
436 #define ARCMSR_HBEMU_DOORBELL_SYNC              0x100
437 #define ARCMSR_ARC188X_RESET_ADAPTER            0x00000004
438 #define ARCMSR_ARC1884_DiagWrite_ENABLE         0x00000080
439 /*
440 *******************************************************************************
441 **    ARECA SCSI COMMAND DESCRIPTOR BLOCK size 0x1F8 (504)
442 *******************************************************************************
443 */
444 struct ARCMSR_CDB
445 {
446         uint8_t         Bus;
447         uint8_t         TargetID;
448         uint8_t         LUN;
449         uint8_t         Function;
450         uint8_t         CdbLength;
451         uint8_t         sgcount;
452         uint8_t         Flags;
453 #define ARCMSR_CDB_FLAG_SGL_BSIZE          0x01
454 #define ARCMSR_CDB_FLAG_BIOS               0x02
455 #define ARCMSR_CDB_FLAG_WRITE              0x04
456 #define ARCMSR_CDB_FLAG_SIMPLEQ            0x00
457 #define ARCMSR_CDB_FLAG_HEADQ              0x08
458 #define ARCMSR_CDB_FLAG_ORDEREDQ           0x10
459
460         uint8_t         msgPages;
461         uint32_t        msgContext;
462         uint32_t        DataLength;
463         uint8_t         Cdb[16];
464         uint8_t         DeviceStatus;
465 #define ARCMSR_DEV_CHECK_CONDITION          0x02
466 #define ARCMSR_DEV_SELECT_TIMEOUT           0xF0
467 #define ARCMSR_DEV_ABORTED                  0xF1
468 #define ARCMSR_DEV_INIT_FAIL                0xF2
469
470         uint8_t         SenseData[15];
471         union
472         {
473                 struct SG32ENTRY        sg32entry[1];
474                 struct SG64ENTRY        sg64entry[1];
475         } u;
476 };
477 /*
478 *******************************************************************************
479 **     Messaging Unit (MU) of the Intel R 80331 I/O processor(Type A) and Type B processor
480 *******************************************************************************
481 */
482 struct MessageUnit_A
483 {
484         uint32_t        resrved0[4];                    /*0000 000F*/
485         uint32_t        inbound_msgaddr0;               /*0010 0013*/
486         uint32_t        inbound_msgaddr1;               /*0014 0017*/
487         uint32_t        outbound_msgaddr0;              /*0018 001B*/
488         uint32_t        outbound_msgaddr1;              /*001C 001F*/
489         uint32_t        inbound_doorbell;               /*0020 0023*/
490         uint32_t        inbound_intstatus;              /*0024 0027*/
491         uint32_t        inbound_intmask;                /*0028 002B*/
492         uint32_t        outbound_doorbell;              /*002C 002F*/
493         uint32_t        outbound_intstatus;             /*0030 0033*/
494         uint32_t        outbound_intmask;               /*0034 0037*/
495         uint32_t        reserved1[2];                   /*0038 003F*/
496         uint32_t        inbound_queueport;              /*0040 0043*/
497         uint32_t        outbound_queueport;             /*0044 0047*/
498         uint32_t        reserved2[2];                   /*0048 004F*/
499         uint32_t        reserved3[492];                 /*0050 07FF 492*/
500         uint32_t        reserved4[128];                 /*0800 09FF 128*/
501         uint32_t        message_rwbuffer[256];          /*0a00 0DFF 256*/
502         uint32_t        message_wbuffer[32];            /*0E00 0E7F  32*/
503         uint32_t        reserved5[32];                  /*0E80 0EFF  32*/
504         uint32_t        message_rbuffer[32];            /*0F00 0F7F  32*/
505         uint32_t        reserved6[32];                  /*0F80 0FFF  32*/
506 };
507
508 struct MessageUnit_B
509 {
510         uint32_t        post_qbuffer[ARCMSR_MAX_HBB_POSTQUEUE];
511         uint32_t        done_qbuffer[ARCMSR_MAX_HBB_POSTQUEUE];
512         uint32_t        postq_index;
513         uint32_t        doneq_index;
514         uint32_t        __iomem *drv2iop_doorbell;
515         uint32_t        __iomem *drv2iop_doorbell_mask;
516         uint32_t        __iomem *iop2drv_doorbell;
517         uint32_t        __iomem *iop2drv_doorbell_mask;
518         uint32_t        __iomem *message_rwbuffer;
519         uint32_t        __iomem *message_wbuffer;
520         uint32_t        __iomem *message_rbuffer;
521 };
522 /*
523 *********************************************************************
524 ** LSI
525 *********************************************************************
526 */
527 struct MessageUnit_C{
528         uint32_t        message_unit_status;                    /*0000 0003*/
529         uint32_t        slave_error_attribute;                  /*0004 0007*/
530         uint32_t        slave_error_address;                    /*0008 000B*/
531         uint32_t        posted_outbound_doorbell;               /*000C 000F*/
532         uint32_t        master_error_attribute;                 /*0010 0013*/
533         uint32_t        master_error_address_low;               /*0014 0017*/
534         uint32_t        master_error_address_high;              /*0018 001B*/
535         uint32_t        hcb_size;                               /*001C 001F*/
536         uint32_t        inbound_doorbell;                       /*0020 0023*/
537         uint32_t        diagnostic_rw_data;                     /*0024 0027*/
538         uint32_t        diagnostic_rw_address_low;              /*0028 002B*/
539         uint32_t        diagnostic_rw_address_high;             /*002C 002F*/
540         uint32_t        host_int_status;                        /*0030 0033*/
541         uint32_t        host_int_mask;                          /*0034 0037*/
542         uint32_t        dcr_data;                               /*0038 003B*/
543         uint32_t        dcr_address;                            /*003C 003F*/
544         uint32_t        inbound_queueport;                      /*0040 0043*/
545         uint32_t        outbound_queueport;                     /*0044 0047*/
546         uint32_t        hcb_pci_address_low;                    /*0048 004B*/
547         uint32_t        hcb_pci_address_high;                   /*004C 004F*/
548         uint32_t        iop_int_status;                         /*0050 0053*/
549         uint32_t        iop_int_mask;                           /*0054 0057*/
550         uint32_t        iop_inbound_queue_port;                 /*0058 005B*/
551         uint32_t        iop_outbound_queue_port;                /*005C 005F*/
552         uint32_t        inbound_free_list_index;                /*0060 0063*/
553         uint32_t        inbound_post_list_index;                /*0064 0067*/
554         uint32_t        outbound_free_list_index;               /*0068 006B*/
555         uint32_t        outbound_post_list_index;               /*006C 006F*/
556         uint32_t        inbound_doorbell_clear;                 /*0070 0073*/
557         uint32_t        i2o_message_unit_control;               /*0074 0077*/
558         uint32_t        last_used_message_source_address_low;   /*0078 007B*/
559         uint32_t        last_used_message_source_address_high;  /*007C 007F*/
560         uint32_t        pull_mode_data_byte_count[4];           /*0080 008F*/
561         uint32_t        message_dest_address_index;             /*0090 0093*/
562         uint32_t        done_queue_not_empty_int_counter_timer; /*0094 0097*/
563         uint32_t        utility_A_int_counter_timer;            /*0098 009B*/
564         uint32_t        outbound_doorbell;                      /*009C 009F*/
565         uint32_t        outbound_doorbell_clear;                /*00A0 00A3*/
566         uint32_t        message_source_address_index;           /*00A4 00A7*/
567         uint32_t        message_done_queue_index;               /*00A8 00AB*/
568         uint32_t        reserved0;                              /*00AC 00AF*/
569         uint32_t        inbound_msgaddr0;                       /*00B0 00B3*/
570         uint32_t        inbound_msgaddr1;                       /*00B4 00B7*/
571         uint32_t        outbound_msgaddr0;                      /*00B8 00BB*/
572         uint32_t        outbound_msgaddr1;                      /*00BC 00BF*/
573         uint32_t        inbound_queueport_low;                  /*00C0 00C3*/
574         uint32_t        inbound_queueport_high;                 /*00C4 00C7*/
575         uint32_t        outbound_queueport_low;                 /*00C8 00CB*/
576         uint32_t        outbound_queueport_high;                /*00CC 00CF*/
577         uint32_t        iop_inbound_queue_port_low;             /*00D0 00D3*/
578         uint32_t        iop_inbound_queue_port_high;            /*00D4 00D7*/
579         uint32_t        iop_outbound_queue_port_low;            /*00D8 00DB*/
580         uint32_t        iop_outbound_queue_port_high;           /*00DC 00DF*/
581         uint32_t        message_dest_queue_port_low;            /*00E0 00E3*/
582         uint32_t        message_dest_queue_port_high;           /*00E4 00E7*/
583         uint32_t        last_used_message_dest_address_low;     /*00E8 00EB*/
584         uint32_t        last_used_message_dest_address_high;    /*00EC 00EF*/
585         uint32_t        message_done_queue_base_address_low;    /*00F0 00F3*/
586         uint32_t        message_done_queue_base_address_high;   /*00F4 00F7*/
587         uint32_t        host_diagnostic;                        /*00F8 00FB*/
588         uint32_t        write_sequence;                         /*00FC 00FF*/
589         uint32_t        reserved1[34];                          /*0100 0187*/
590         uint32_t        reserved2[1950];                        /*0188 1FFF*/
591         uint32_t        message_wbuffer[32];                    /*2000 207F*/
592         uint32_t        reserved3[32];                          /*2080 20FF*/
593         uint32_t        message_rbuffer[32];                    /*2100 217F*/
594         uint32_t        reserved4[32];                          /*2180 21FF*/
595         uint32_t        msgcode_rwbuffer[256];                  /*2200 23FF*/
596 };
597 /*
598 *********************************************************************
599 **     Messaging Unit (MU) of Type D processor
600 *********************************************************************
601 */
602 struct InBound_SRB {
603         uint32_t addressLow; /* pointer to SRB block */
604         uint32_t addressHigh;
605         uint32_t length; /* in DWORDs */
606         uint32_t reserved0;
607 };
608
609 struct OutBound_SRB {
610         uint32_t addressLow; /* pointer to SRB block */
611         uint32_t addressHigh;
612 };
613
614 struct MessageUnit_D {
615         struct InBound_SRB      post_qbuffer[ARCMSR_MAX_ARC1214_POSTQUEUE];
616         volatile struct OutBound_SRB
617                                 done_qbuffer[ARCMSR_MAX_ARC1214_DONEQUEUE];
618         u16 postq_index;
619         volatile u16 doneq_index;
620         u32 __iomem *chip_id;                   /* 0x00004 */
621         u32 __iomem *cpu_mem_config;            /* 0x00008 */
622         u32 __iomem *i2o_host_interrupt_mask;   /* 0x00034 */
623         u32 __iomem *sample_at_reset;           /* 0x00100 */
624         u32 __iomem *reset_request;             /* 0x00108 */
625         u32 __iomem *host_int_status;           /* 0x00200 */
626         u32 __iomem *pcief0_int_enable;         /* 0x0020C */
627         u32 __iomem *inbound_msgaddr0;          /* 0x00400 */
628         u32 __iomem *inbound_msgaddr1;          /* 0x00404 */
629         u32 __iomem *outbound_msgaddr0;         /* 0x00420 */
630         u32 __iomem *outbound_msgaddr1;         /* 0x00424 */
631         u32 __iomem *inbound_doorbell;          /* 0x00460 */
632         u32 __iomem *outbound_doorbell;         /* 0x00480 */
633         u32 __iomem *outbound_doorbell_enable;  /* 0x00484 */
634         u32 __iomem *inboundlist_base_low;      /* 0x01000 */
635         u32 __iomem *inboundlist_base_high;     /* 0x01004 */
636         u32 __iomem *inboundlist_write_pointer; /* 0x01018 */
637         u32 __iomem *outboundlist_base_low;     /* 0x01060 */
638         u32 __iomem *outboundlist_base_high;    /* 0x01064 */
639         u32 __iomem *outboundlist_copy_pointer; /* 0x0106C */
640         u32 __iomem *outboundlist_read_pointer; /* 0x01070 0x01072 */
641         u32 __iomem *outboundlist_interrupt_cause;      /* 0x1088 */
642         u32 __iomem *outboundlist_interrupt_enable;     /* 0x108C */
643         u32 __iomem *message_wbuffer;           /* 0x2000 */
644         u32 __iomem *message_rbuffer;           /* 0x2100 */
645         u32 __iomem *msgcode_rwbuffer;          /* 0x2200 */
646 };
647 /*
648 *********************************************************************
649 **     Messaging Unit (MU) of Type E processor(LSI)
650 *********************************************************************
651 */
652 struct MessageUnit_E{
653         uint32_t        iobound_doorbell;                       /*0000 0003*/
654         uint32_t        write_sequence_3xxx;                    /*0004 0007*/
655         uint32_t        host_diagnostic_3xxx;                   /*0008 000B*/
656         uint32_t        posted_outbound_doorbell;               /*000C 000F*/
657         uint32_t        master_error_attribute;                 /*0010 0013*/
658         uint32_t        master_error_address_low;               /*0014 0017*/
659         uint32_t        master_error_address_high;              /*0018 001B*/
660         uint32_t        hcb_size;                               /*001C 001F*/
661         uint32_t        inbound_doorbell;                       /*0020 0023*/
662         uint32_t        diagnostic_rw_data;                     /*0024 0027*/
663         uint32_t        diagnostic_rw_address_low;              /*0028 002B*/
664         uint32_t        diagnostic_rw_address_high;             /*002C 002F*/
665         uint32_t        host_int_status;                        /*0030 0033*/
666         uint32_t        host_int_mask;                          /*0034 0037*/
667         uint32_t        dcr_data;                               /*0038 003B*/
668         uint32_t        dcr_address;                            /*003C 003F*/
669         uint32_t        inbound_queueport;                      /*0040 0043*/
670         uint32_t        outbound_queueport;                     /*0044 0047*/
671         uint32_t        hcb_pci_address_low;                    /*0048 004B*/
672         uint32_t        hcb_pci_address_high;                   /*004C 004F*/
673         uint32_t        iop_int_status;                         /*0050 0053*/
674         uint32_t        iop_int_mask;                           /*0054 0057*/
675         uint32_t        iop_inbound_queue_port;                 /*0058 005B*/
676         uint32_t        iop_outbound_queue_port;                /*005C 005F*/
677         uint32_t        inbound_free_list_index;                /*0060 0063*/
678         uint32_t        inbound_post_list_index;                /*0064 0067*/
679         uint32_t        reply_post_producer_index;              /*0068 006B*/
680         uint32_t        reply_post_consumer_index;              /*006C 006F*/
681         uint32_t        inbound_doorbell_clear;                 /*0070 0073*/
682         uint32_t        i2o_message_unit_control;               /*0074 0077*/
683         uint32_t        last_used_message_source_address_low;   /*0078 007B*/
684         uint32_t        last_used_message_source_address_high;  /*007C 007F*/
685         uint32_t        pull_mode_data_byte_count[4];           /*0080 008F*/
686         uint32_t        message_dest_address_index;             /*0090 0093*/
687         uint32_t        done_queue_not_empty_int_counter_timer; /*0094 0097*/
688         uint32_t        utility_A_int_counter_timer;            /*0098 009B*/
689         uint32_t        outbound_doorbell;                      /*009C 009F*/
690         uint32_t        outbound_doorbell_clear;                /*00A0 00A3*/
691         uint32_t        message_source_address_index;           /*00A4 00A7*/
692         uint32_t        message_done_queue_index;               /*00A8 00AB*/
693         uint32_t        reserved0;                              /*00AC 00AF*/
694         uint32_t        inbound_msgaddr0;                       /*00B0 00B3*/
695         uint32_t        inbound_msgaddr1;                       /*00B4 00B7*/
696         uint32_t        outbound_msgaddr0;                      /*00B8 00BB*/
697         uint32_t        outbound_msgaddr1;                      /*00BC 00BF*/
698         uint32_t        inbound_queueport_low;                  /*00C0 00C3*/
699         uint32_t        inbound_queueport_high;                 /*00C4 00C7*/
700         uint32_t        outbound_queueport_low;                 /*00C8 00CB*/
701         uint32_t        outbound_queueport_high;                /*00CC 00CF*/
702         uint32_t        iop_inbound_queue_port_low;             /*00D0 00D3*/
703         uint32_t        iop_inbound_queue_port_high;            /*00D4 00D7*/
704         uint32_t        iop_outbound_queue_port_low;            /*00D8 00DB*/
705         uint32_t        iop_outbound_queue_port_high;           /*00DC 00DF*/
706         uint32_t        message_dest_queue_port_low;            /*00E0 00E3*/
707         uint32_t        message_dest_queue_port_high;           /*00E4 00E7*/
708         uint32_t        last_used_message_dest_address_low;     /*00E8 00EB*/
709         uint32_t        last_used_message_dest_address_high;    /*00EC 00EF*/
710         uint32_t        message_done_queue_base_address_low;    /*00F0 00F3*/
711         uint32_t        message_done_queue_base_address_high;   /*00F4 00F7*/
712         uint32_t        host_diagnostic;                        /*00F8 00FB*/
713         uint32_t        write_sequence;                         /*00FC 00FF*/
714         uint32_t        reserved1[34];                          /*0100 0187*/
715         uint32_t        reserved2[1950];                        /*0188 1FFF*/
716         uint32_t        message_wbuffer[32];                    /*2000 207F*/
717         uint32_t        reserved3[32];                          /*2080 20FF*/
718         uint32_t        message_rbuffer[32];                    /*2100 217F*/
719         uint32_t        reserved4[32];                          /*2180 21FF*/
720         uint32_t        msgcode_rwbuffer[256];                  /*2200 23FF*/
721 };
722
723 typedef struct deliver_completeQ {
724         uint16_t        cmdFlag;
725         uint16_t        cmdSMID;
726         uint16_t        cmdLMID;        // reserved (0)
727         uint16_t        cmdFlag2;       // reserved (0)
728 } DeliverQ, CompletionQ, *pDeliver_Q, *pCompletion_Q;
729 /*
730 *******************************************************************************
731 **                 Adapter Control Block
732 *******************************************************************************
733 */
734 struct AdapterControlBlock
735 {
736         uint32_t                adapter_type;           /* adapter A,B..... */
737 #define ACB_ADAPTER_TYPE_A              0x00000000      /* hba I IOP */
738 #define ACB_ADAPTER_TYPE_B              0x00000001      /* hbb M IOP */
739 #define ACB_ADAPTER_TYPE_C              0x00000002      /* hbc L IOP */
740 #define ACB_ADAPTER_TYPE_D              0x00000003      /* hbd M IOP */
741 #define ACB_ADAPTER_TYPE_E              0x00000004      /* hba L IOP */
742         u32                     ioqueue_size;
743         struct pci_dev *        pdev;
744         struct Scsi_Host *      host;
745         unsigned long           vir2phy_offset;
746         /* Offset is used in making arc cdb physical to virtual calculations */
747         uint32_t                outbound_int_enable;
748         uint32_t                cdb_phyaddr_hi32;
749         uint32_t                reg_mu_acc_handle0;
750         uint64_t                cdb_phyadd_hipart;
751         spinlock_t              eh_lock;
752         spinlock_t              ccblist_lock;
753         spinlock_t              postq_lock;
754         spinlock_t              doneq_lock;
755         spinlock_t              rqbuffer_lock;
756         spinlock_t              wqbuffer_lock;
757         union {
758                 struct MessageUnit_A __iomem *pmuA;
759                 struct MessageUnit_B    *pmuB;
760                 struct MessageUnit_C __iomem *pmuC;
761                 struct MessageUnit_D    *pmuD;
762                 struct MessageUnit_E __iomem *pmuE;
763         };
764         /* message unit ATU inbound base address0 */
765         void __iomem            *mem_base0;
766         void __iomem            *mem_base1;
767         uint32_t                acb_flags;
768         u16                     dev_id;
769         uint8_t                 adapter_index;
770 #define ACB_F_SCSISTOPADAPTER           0x0001
771 #define ACB_F_MSG_STOP_BGRB             0x0002
772 /* stop RAID background rebuild */
773 #define ACB_F_MSG_START_BGRB            0x0004
774 /* stop RAID background rebuild */
775 #define ACB_F_IOPDATA_OVERFLOW          0x0008
776 /* iop message data rqbuffer overflow */
777 #define ACB_F_MESSAGE_WQBUFFER_CLEARED  0x0010
778 /* message clear wqbuffer */
779 #define ACB_F_MESSAGE_RQBUFFER_CLEARED  0x0020
780 /* message clear rqbuffer */
781 #define ACB_F_MESSAGE_WQBUFFER_READED   0x0040
782 #define ACB_F_BUS_RESET                 0x0080
783
784 #define ACB_F_IOP_INITED                0x0100
785 /* iop init */
786 #define ACB_F_ABORT                     0x0200
787 #define ACB_F_FIRMWARE_TRAP             0x0400
788 #define ACB_F_ADAPTER_REMOVED           0x0800
789 #define ACB_F_MSG_GET_CONFIG            0x1000
790         struct CommandControlBlock *    pccb_pool[ARCMSR_MAX_FREECCB_NUM];
791         /* used for memory free */
792         struct list_head        ccb_free_list;
793         /* head of free ccb list */
794
795         atomic_t                ccboutstandingcount;
796         /*The present outstanding command number that in the IOP that
797                                         waiting for being handled by FW*/
798
799         void *                  dma_coherent;
800         /* dma_coherent used for memory free */
801         dma_addr_t              dma_coherent_handle;
802         /* dma_coherent_handle used for memory free */
803         dma_addr_t              dma_coherent_handle2;
804         void                    *dma_coherent2;
805         unsigned int            uncache_size;
806         uint8_t                 rqbuffer[ARCMSR_MAX_QBUFFER];
807         /* data collection buffer for read from 80331 */
808         int32_t                 rqbuf_getIndex;
809         /* first of read buffer  */
810         int32_t                 rqbuf_putIndex;
811         /* last of read buffer   */
812         uint8_t                 wqbuffer[ARCMSR_MAX_QBUFFER];
813         /* data collection buffer for write to 80331  */
814         int32_t                 wqbuf_getIndex;
815         /* first of write buffer */
816         int32_t                 wqbuf_putIndex;
817         /* last of write buffer  */
818         uint8_t                 devstate[ARCMSR_MAX_TARGETID][ARCMSR_MAX_TARGETLUN];
819         /* id0 ..... id15, lun0...lun7 */
820 #define ARECA_RAID_GONE                 0x55
821 #define ARECA_RAID_GOOD                 0xaa
822         uint32_t                num_resets;
823         uint32_t                num_aborts;
824         uint32_t                signature;
825         uint32_t                firm_request_len;
826         uint32_t                firm_numbers_queue;
827         uint32_t                firm_sdram_size;
828         uint32_t                firm_hd_channels;
829         uint32_t                firm_cfg_version;
830         char                    firm_model[12];
831         char                    firm_version[20];
832         char                    device_map[20];                 /*21,84-99*/
833         struct work_struct      arcmsr_do_message_isr_bh;
834         struct timer_list       eternal_timer;
835         unsigned short          fw_flag;
836 #define FW_NORMAL                       0x0000
837 #define FW_BOG                          0x0001
838 #define FW_DEADLOCK                     0x0010
839         atomic_t                rq_map_token;
840         atomic_t                ante_token_value;
841         uint32_t                maxOutstanding;
842         int                     vector_count;
843         uint32_t                maxFreeCCB;
844         struct timer_list       refresh_timer;
845         uint32_t                doneq_index;
846         uint32_t                ccbsize;
847         uint32_t                in_doorbell;
848         uint32_t                out_doorbell;
849         uint32_t                completionQ_entry;
850         pCompletion_Q           pCompletionQ;
851 };/* HW_DEVICE_EXTENSION */
852 /*
853 *******************************************************************************
854 **                   Command Control Block
855 **             this CCB length must be 32 bytes boundary
856 *******************************************************************************
857 */
858 struct CommandControlBlock{
859         /*x32:sizeof struct_CCB=(64+60)byte, x64:sizeof struct_CCB=(64+60)byte*/
860         struct list_head                list;           /*x32: 8byte, x64: 16byte*/
861         struct scsi_cmnd                *pcmd;          /*8 bytes pointer of linux scsi command */
862         struct AdapterControlBlock      *acb;           /*x32: 4byte, x64: 8byte*/
863         unsigned long                   cdb_phyaddr;    /*x32: 4byte, x64: 8byte*/
864         uint32_t                        arc_cdb_size;   /*x32:4byte,x64:4byte*/
865         uint16_t                        ccb_flags;      /*x32: 2byte, x64: 2byte*/
866 #define CCB_FLAG_READ           0x0000
867 #define CCB_FLAG_WRITE          0x0001
868 #define CCB_FLAG_ERROR          0x0002
869 #define CCB_FLAG_FLUSHCACHE     0x0004
870 #define CCB_FLAG_MASTER_ABORTED 0x0008
871         uint16_t                        startdone;      /*x32:2byte,x32:2byte*/
872 #define ARCMSR_CCB_DONE         0x0000
873 #define ARCMSR_CCB_START        0x55AA
874 #define ARCMSR_CCB_ABORTED      0xAA55
875 #define ARCMSR_CCB_ILLEGAL      0xFFFF
876         uint32_t                        smid;
877 #if BITS_PER_LONG == 64
878         /*  ======================512+64 bytes========================  */
879                 uint32_t                reserved[3];    /*12 byte*/
880 #else
881         /*  ======================512+32 bytes========================  */
882                 uint32_t                reserved[8];    /*32  byte*/
883 #endif
884         /*  =======================================================   */
885         struct ARCMSR_CDB               arcmsr_cdb;
886 };
887 /*
888 *******************************************************************************
889 **    ARECA SCSI sense data
890 *******************************************************************************
891 */
892 struct SENSE_DATA
893 {
894         uint8_t                         ErrorCode:7;
895 #define SCSI_SENSE_CURRENT_ERRORS       0x70
896 #define SCSI_SENSE_DEFERRED_ERRORS      0x71
897         uint8_t                         Valid:1;
898         uint8_t                         SegmentNumber;
899         uint8_t                         SenseKey:4;
900         uint8_t                         Reserved:1;
901         uint8_t                         IncorrectLength:1;
902         uint8_t                         EndOfMedia:1;
903         uint8_t                         FileMark:1;
904         uint8_t                         Information[4];
905         uint8_t                         AdditionalSenseLength;
906         uint8_t                         CommandSpecificInformation[4];
907         uint8_t                         AdditionalSenseCode;
908         uint8_t                         AdditionalSenseCodeQualifier;
909         uint8_t                         FieldReplaceableUnitCode;
910         uint8_t                         SenseKeySpecific[3];
911 };
912 /*
913 *******************************************************************************
914 **  Outbound Interrupt Status Register - OISR
915 *******************************************************************************
916 */
917 #define ARCMSR_MU_OUTBOUND_INTERRUPT_STATUS_REG 0x30
918 #define ARCMSR_MU_OUTBOUND_PCI_INT              0x10
919 #define ARCMSR_MU_OUTBOUND_POSTQUEUE_INT        0x08
920 #define ARCMSR_MU_OUTBOUND_DOORBELL_INT         0x04
921 #define ARCMSR_MU_OUTBOUND_MESSAGE1_INT         0x02
922 #define ARCMSR_MU_OUTBOUND_MESSAGE0_INT         0x01
923 #define ARCMSR_MU_OUTBOUND_HANDLE_INT                     \
924                     (ARCMSR_MU_OUTBOUND_MESSAGE0_INT      \
925                      |ARCMSR_MU_OUTBOUND_MESSAGE1_INT     \
926                      |ARCMSR_MU_OUTBOUND_DOORBELL_INT     \
927                      |ARCMSR_MU_OUTBOUND_POSTQUEUE_INT    \
928                      |ARCMSR_MU_OUTBOUND_PCI_INT)
929 /*
930 *******************************************************************************
931 **  Outbound Interrupt Mask Register - OIMR
932 *******************************************************************************
933 */
934 #define ARCMSR_MU_OUTBOUND_INTERRUPT_MASK_REG           0x34
935 #define ARCMSR_MU_OUTBOUND_PCI_INTMASKENABLE            0x10
936 #define ARCMSR_MU_OUTBOUND_POSTQUEUE_INTMASKENABLE      0x08
937 #define ARCMSR_MU_OUTBOUND_DOORBELL_INTMASKENABLE       0x04
938 #define ARCMSR_MU_OUTBOUND_MESSAGE1_INTMASKENABLE       0x02
939 #define ARCMSR_MU_OUTBOUND_MESSAGE0_INTMASKENABLE       0x01
940 #define ARCMSR_MU_OUTBOUND_ALL_INTMASKENABLE            0x1F
941
942 extern void arcmsr_write_ioctldata2iop(struct AdapterControlBlock *);
943 extern uint32_t arcmsr_Read_iop_rqbuffer_data(struct AdapterControlBlock *,
944         struct QBUFFER __iomem *);
945 extern void arcmsr_clear_iop2drv_rqueue_buffer(struct AdapterControlBlock *);
946 extern struct QBUFFER __iomem *arcmsr_get_iop_rqbuffer(struct AdapterControlBlock *);
947 extern struct device_attribute *arcmsr_host_attrs[];
948 extern int arcmsr_alloc_sysfs_attr(struct AdapterControlBlock *);
949 void arcmsr_free_sysfs_attr(struct AdapterControlBlock *acb);