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_OUTSTANDING_CMD						256
49 #ifdef CONFIG_XEN
50 	#define ARCMSR_MAX_FREECCB_NUM	160
51 #else
52 	#define ARCMSR_MAX_FREECCB_NUM	320
53 #endif
54 #define ARCMSR_DRIVER_VERSION		     "Driver Version 1.20.00.15 2010/08/05"
55 #define ARCMSR_SCSI_INITIATOR_ID						255
56 #define ARCMSR_MAX_XFER_SECTORS							512
57 #define ARCMSR_MAX_XFER_SECTORS_B						4096
58 #define ARCMSR_MAX_XFER_SECTORS_C						304
59 #define ARCMSR_MAX_TARGETID							17
60 #define ARCMSR_MAX_TARGETLUN							8
61 #define ARCMSR_MAX_CMD_PERLUN		                 ARCMSR_MAX_OUTSTANDING_CMD
62 #define ARCMSR_MAX_QBUFFER							4096
63 #define ARCMSR_DEFAULT_SG_ENTRIES						38
64 #define ARCMSR_MAX_HBB_POSTQUEUE						264
65 #define ARCMSR_MAX_XFER_LEN							0x26000 /* 152K */
66 #define ARCMSR_CDB_SG_PAGE_LENGTH						256
67 #ifndef PCI_DEVICE_ID_ARECA_1880
68 #define PCI_DEVICE_ID_ARECA_1880 0x1880
69  #endif
70 /*
71 **********************************************************************************
72 **
73 **********************************************************************************
74 */
75 #define ARC_SUCCESS                                                       0
76 #define ARC_FAILURE                                                       1
77 /*
78 *******************************************************************************
79 **        split 64bits dma addressing
80 *******************************************************************************
81 */
82 #define dma_addr_hi32(addr)               (uint32_t) ((addr>>16)>>16)
83 #define dma_addr_lo32(addr)               (uint32_t) (addr & 0xffffffff)
84 /*
85 *******************************************************************************
86 **        MESSAGE CONTROL CODE
87 *******************************************************************************
88 */
89 struct CMD_MESSAGE
90 {
91       uint32_t HeaderLength;
92       uint8_t  Signature[8];
93       uint32_t Timeout;
94       uint32_t ControlCode;
95       uint32_t ReturnCode;
96       uint32_t Length;
97 };
98 /*
99 *******************************************************************************
100 **        IOP Message Transfer Data for user space
101 *******************************************************************************
102 */
103 struct CMD_MESSAGE_FIELD
104 {
105     struct CMD_MESSAGE			cmdmessage;
106     uint8_t				messagedatabuffer[1032];
107 };
108 /* IOP message transfer */
109 #define ARCMSR_MESSAGE_FAIL			0x0001
110 /* DeviceType */
111 #define ARECA_SATA_RAID				0x90000000
112 /* FunctionCode */
113 #define FUNCTION_READ_RQBUFFER			0x0801
114 #define FUNCTION_WRITE_WQBUFFER			0x0802
115 #define FUNCTION_CLEAR_RQBUFFER			0x0803
116 #define FUNCTION_CLEAR_WQBUFFER			0x0804
117 #define FUNCTION_CLEAR_ALLQBUFFER		0x0805
118 #define FUNCTION_RETURN_CODE_3F			0x0806
119 #define FUNCTION_SAY_HELLO			0x0807
120 #define FUNCTION_SAY_GOODBYE			0x0808
121 #define FUNCTION_FLUSH_ADAPTER_CACHE		0x0809
122 #define FUNCTION_GET_FIRMWARE_STATUS			0x080A
123 #define FUNCTION_HARDWARE_RESET			0x080B
124 /* ARECA IO CONTROL CODE*/
125 #define ARCMSR_MESSAGE_READ_RQBUFFER       \
126 	ARECA_SATA_RAID | FUNCTION_READ_RQBUFFER
127 #define ARCMSR_MESSAGE_WRITE_WQBUFFER      \
128 	ARECA_SATA_RAID | FUNCTION_WRITE_WQBUFFER
129 #define ARCMSR_MESSAGE_CLEAR_RQBUFFER      \
130 	ARECA_SATA_RAID | FUNCTION_CLEAR_RQBUFFER
131 #define ARCMSR_MESSAGE_CLEAR_WQBUFFER      \
132 	ARECA_SATA_RAID | FUNCTION_CLEAR_WQBUFFER
133 #define ARCMSR_MESSAGE_CLEAR_ALLQBUFFER    \
134 	ARECA_SATA_RAID | FUNCTION_CLEAR_ALLQBUFFER
135 #define ARCMSR_MESSAGE_RETURN_CODE_3F      \
136 	ARECA_SATA_RAID | FUNCTION_RETURN_CODE_3F
137 #define ARCMSR_MESSAGE_SAY_HELLO           \
138 	ARECA_SATA_RAID | FUNCTION_SAY_HELLO
139 #define ARCMSR_MESSAGE_SAY_GOODBYE         \
140 	ARECA_SATA_RAID | FUNCTION_SAY_GOODBYE
141 #define ARCMSR_MESSAGE_FLUSH_ADAPTER_CACHE \
142 	ARECA_SATA_RAID | FUNCTION_FLUSH_ADAPTER_CACHE
143 /* ARECA IOCTL ReturnCode */
144 #define ARCMSR_MESSAGE_RETURNCODE_OK		0x00000001
145 #define ARCMSR_MESSAGE_RETURNCODE_ERROR		0x00000006
146 #define ARCMSR_MESSAGE_RETURNCODE_3F		0x0000003F
147 #define ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON	0x00000088
148 /*
149 *************************************************************
150 **   structure for holding DMA address data
151 *************************************************************
152 */
153 #define IS_DMA64			(sizeof(dma_addr_t) == 8)
154 #define IS_SG64_ADDR                0x01000000 /* bit24 */
155 struct  SG32ENTRY
156 {
157 	__le32					length;
158 	__le32					address;
159 }__attribute__ ((packed));
160 struct  SG64ENTRY
161 {
162 	__le32					length;
163 	__le32					address;
164 	__le32					addresshigh;
165 }__attribute__ ((packed));
166 /*
167 ********************************************************************
168 **      Q Buffer of IOP Message Transfer
169 ********************************************************************
170 */
171 struct QBUFFER
172 {
173 	uint32_t      data_len;
174 	uint8_t       data[124];
175 };
176 /*
177 *******************************************************************************
178 **      FIRMWARE INFO for Intel IOP R 80331 processor (Type A)
179 *******************************************************************************
180 */
181 struct FIRMWARE_INFO
182 {
183 	uint32_t      signature;		/*0, 00-03*/
184 	uint32_t      request_len;		/*1, 04-07*/
185 	uint32_t      numbers_queue;		/*2, 08-11*/
186 	uint32_t      sdram_size;               /*3, 12-15*/
187 	uint32_t      ide_channels;		/*4, 16-19*/
188 	char          vendor[40];		/*5, 20-59*/
189 	char          model[8];			/*15, 60-67*/
190 	char          firmware_ver[16];     	/*17, 68-83*/
191 	char          device_map[16];		/*21, 84-99*/
192 	uint32_t		cfgVersion;               	/*25,100-103 Added for checking of new firmware capability*/
193 	uint8_t		cfgSerial[16];           	/*26,104-119*/
194 	uint32_t		cfgPicStatus;            	/*30,120-123*/
195 };
196 /* signature of set and get firmware config */
197 #define ARCMSR_SIGNATURE_GET_CONFIG		      0x87974060
198 #define ARCMSR_SIGNATURE_SET_CONFIG		      0x87974063
199 /* message code of inbound message register */
200 #define ARCMSR_INBOUND_MESG0_NOP		      0x00000000
201 #define ARCMSR_INBOUND_MESG0_GET_CONFIG		      0x00000001
202 #define ARCMSR_INBOUND_MESG0_SET_CONFIG               0x00000002
203 #define ARCMSR_INBOUND_MESG0_ABORT_CMD                0x00000003
204 #define ARCMSR_INBOUND_MESG0_STOP_BGRB                0x00000004
205 #define ARCMSR_INBOUND_MESG0_FLUSH_CACHE              0x00000005
206 #define ARCMSR_INBOUND_MESG0_START_BGRB               0x00000006
207 #define ARCMSR_INBOUND_MESG0_CHK331PENDING            0x00000007
208 #define ARCMSR_INBOUND_MESG0_SYNC_TIMER               0x00000008
209 /* doorbell interrupt generator */
210 #define ARCMSR_INBOUND_DRIVER_DATA_WRITE_OK           0x00000001
211 #define ARCMSR_INBOUND_DRIVER_DATA_READ_OK            0x00000002
212 #define ARCMSR_OUTBOUND_IOP331_DATA_WRITE_OK          0x00000001
213 #define ARCMSR_OUTBOUND_IOP331_DATA_READ_OK           0x00000002
214 /* ccb areca cdb flag */
215 #define ARCMSR_CCBPOST_FLAG_SGL_BSIZE                 0x80000000
216 #define ARCMSR_CCBPOST_FLAG_IAM_BIOS                  0x40000000
217 #define ARCMSR_CCBREPLY_FLAG_IAM_BIOS                 0x40000000
218 #define ARCMSR_CCBREPLY_FLAG_ERROR_MODE0              0x10000000
219 #define ARCMSR_CCBREPLY_FLAG_ERROR_MODE1              0x00000001
220 /* outbound firmware ok */
221 #define ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK             0x80000000
222 /* ARC-1680 Bus Reset*/
223 #define ARCMSR_ARC1680_BUS_RESET				0x00000003
224 /* ARC-1880 Bus Reset*/
225 #define ARCMSR_ARC1880_RESET_ADAPTER				0x00000024
226 #define ARCMSR_ARC1880_DiagWrite_ENABLE			0x00000080
227 
228 /*
229 ************************************************************************
230 **                SPEC. for Areca Type B adapter
231 ************************************************************************
232 */
233 /* ARECA HBB COMMAND for its FIRMWARE */
234 /* window of "instruction flags" from driver to iop */
235 #define ARCMSR_DRV2IOP_DOORBELL                       0x00020400
236 #define ARCMSR_DRV2IOP_DOORBELL_MASK                  0x00020404
237 /* window of "instruction flags" from iop to driver */
238 #define ARCMSR_IOP2DRV_DOORBELL                       0x00020408
239 #define ARCMSR_IOP2DRV_DOORBELL_MASK                  0x0002040C
240 /* ARECA FLAG LANGUAGE */
241 /* ioctl transfer */
242 #define ARCMSR_IOP2DRV_DATA_WRITE_OK                  0x00000001
243 /* ioctl transfer */
244 #define ARCMSR_IOP2DRV_DATA_READ_OK                   0x00000002
245 #define ARCMSR_IOP2DRV_CDB_DONE                       0x00000004
246 #define ARCMSR_IOP2DRV_MESSAGE_CMD_DONE               0x00000008
247 
248 #define ARCMSR_DOORBELL_HANDLE_INT		      0x0000000F
249 #define ARCMSR_DOORBELL_INT_CLEAR_PATTERN   	      0xFF00FFF0
250 #define ARCMSR_MESSAGE_INT_CLEAR_PATTERN	      0xFF00FFF7
251 /* (ARCMSR_INBOUND_MESG0_GET_CONFIG<<16)|ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED) */
252 #define ARCMSR_MESSAGE_GET_CONFIG		      0x00010008
253 /* (ARCMSR_INBOUND_MESG0_SET_CONFIG<<16)|ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED) */
254 #define ARCMSR_MESSAGE_SET_CONFIG		      0x00020008
255 /* (ARCMSR_INBOUND_MESG0_ABORT_CMD<<16)|ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED) */
256 #define ARCMSR_MESSAGE_ABORT_CMD		      0x00030008
257 /* (ARCMSR_INBOUND_MESG0_STOP_BGRB<<16)|ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED) */
258 #define ARCMSR_MESSAGE_STOP_BGRB		      0x00040008
259 /* (ARCMSR_INBOUND_MESG0_FLUSH_CACHE<<16)|ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED) */
260 #define ARCMSR_MESSAGE_FLUSH_CACHE                    0x00050008
261 /* (ARCMSR_INBOUND_MESG0_START_BGRB<<16)|ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED) */
262 #define ARCMSR_MESSAGE_START_BGRB		      0x00060008
263 #define ARCMSR_MESSAGE_START_DRIVER_MODE	      0x000E0008
264 #define ARCMSR_MESSAGE_SET_POST_WINDOW		      0x000F0008
265 #define ARCMSR_MESSAGE_ACTIVE_EOI_MODE		    0x00100008
266 /* ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK */
267 #define ARCMSR_MESSAGE_FIRMWARE_OK		      0x80000000
268 /* ioctl transfer */
269 #define ARCMSR_DRV2IOP_DATA_WRITE_OK                  0x00000001
270 /* ioctl transfer */
271 #define ARCMSR_DRV2IOP_DATA_READ_OK                   0x00000002
272 #define ARCMSR_DRV2IOP_CDB_POSTED                     0x00000004
273 #define ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED             0x00000008
274 #define ARCMSR_DRV2IOP_END_OF_INTERRUPT		0x00000010
275 
276 /* data tunnel buffer between user space program and its firmware */
277 /* user space data to iop 128bytes */
278 #define ARCMSR_MESSAGE_WBUFFER			      0x0000fe00
279 /* iop data to user space 128bytes */
280 #define ARCMSR_MESSAGE_RBUFFER			      0x0000ff00
281 /* iop message_rwbuffer for message command */
282 #define ARCMSR_MESSAGE_RWBUFFER			      0x0000fa00
283 /*
284 ************************************************************************
285 **                SPEC. for Areca HBC adapter
286 ************************************************************************
287 */
288 #define ARCMSR_HBC_ISR_THROTTLING_LEVEL		12
289 #define ARCMSR_HBC_ISR_MAX_DONE_QUEUE		20
290 /* Host Interrupt Mask */
291 #define ARCMSR_HBCMU_UTILITY_A_ISR_MASK		0x00000001 /* When clear, the Utility_A interrupt routes to the host.*/
292 #define ARCMSR_HBCMU_OUTBOUND_DOORBELL_ISR_MASK	0x00000004 /* When clear, the General Outbound Doorbell interrupt routes to the host.*/
293 #define ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR_MASK	0x00000008 /* When clear, the Outbound Post List FIFO Not Empty interrupt routes to the host.*/
294 #define ARCMSR_HBCMU_ALL_INTMASKENABLE		0x0000000D /* disable all ISR */
295 /* Host Interrupt Status */
296 #define ARCMSR_HBCMU_UTILITY_A_ISR			0x00000001
297 	/*
298 	** Set when the Utility_A Interrupt bit is set in the Outbound Doorbell Register.
299 	** It clears by writing a 1 to the Utility_A bit in the Outbound Doorbell Clear Register or through automatic clearing (if enabled).
300 	*/
301 #define ARCMSR_HBCMU_OUTBOUND_DOORBELL_ISR		0x00000004
302 	/*
303 	** Set if Outbound Doorbell register bits 30:1 have a non-zero
304 	** value. This bit clears only when Outbound Doorbell bits
305 	** 30:1 are ALL clear. Only a write to the Outbound Doorbell
306 	** Clear register clears bits in the Outbound Doorbell register.
307 	*/
308 #define ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR	0x00000008
309 	/*
310 	** Set whenever the Outbound Post List Producer/Consumer
311 	** Register (FIFO) is not empty. It clears when the Outbound
312 	** Post List FIFO is empty.
313 	*/
314 #define ARCMSR_HBCMU_SAS_ALL_INT			0x00000010
315 	/*
316 	** This bit indicates a SAS interrupt from a source external to
317 	** the PCIe core. This bit is not maskable.
318 	*/
319 	/* DoorBell*/
320 #define ARCMSR_HBCMU_DRV2IOP_DATA_WRITE_OK			0x00000002
321 #define ARCMSR_HBCMU_DRV2IOP_DATA_READ_OK			0x00000004
322 	/*inbound message 0 ready*/
323 #define ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE		0x00000008
324 	/*more than 12 request completed in a time*/
325 #define ARCMSR_HBCMU_DRV2IOP_POSTQUEUE_THROTTLING		0x00000010
326 #define ARCMSR_HBCMU_IOP2DRV_DATA_WRITE_OK			0x00000002
327 	/*outbound DATA WRITE isr door bell clear*/
328 #define ARCMSR_HBCMU_IOP2DRV_DATA_WRITE_DOORBELL_CLEAR	0x00000002
329 #define ARCMSR_HBCMU_IOP2DRV_DATA_READ_OK			0x00000004
330 	/*outbound DATA READ isr door bell clear*/
331 #define ARCMSR_HBCMU_IOP2DRV_DATA_READ_DOORBELL_CLEAR	0x00000004
332 	/*outbound message 0 ready*/
333 #define ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE		0x00000008
334 	/*outbound message cmd isr door bell clear*/
335 #define ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR	0x00000008
336 	/*ARCMSR_HBAMU_MESSAGE_FIRMWARE_OK*/
337 #define ARCMSR_HBCMU_MESSAGE_FIRMWARE_OK			0x80000000
338 /*
339 *******************************************************************************
340 **    ARECA SCSI COMMAND DESCRIPTOR BLOCK size 0x1F8 (504)
341 *******************************************************************************
342 */
343 struct ARCMSR_CDB
344 {
345 	uint8_t							Bus;
346 	uint8_t							TargetID;
347 	uint8_t							LUN;
348 	uint8_t							Function;
349 	uint8_t							CdbLength;
350 	uint8_t							sgcount;
351 	uint8_t							Flags;
352 #define ARCMSR_CDB_FLAG_SGL_BSIZE          0x01
353 #define ARCMSR_CDB_FLAG_BIOS               0x02
354 #define ARCMSR_CDB_FLAG_WRITE              0x04
355 #define ARCMSR_CDB_FLAG_SIMPLEQ            0x00
356 #define ARCMSR_CDB_FLAG_HEADQ              0x08
357 #define ARCMSR_CDB_FLAG_ORDEREDQ           0x10
358 
359 	uint8_t							msgPages;
360 	uint32_t						Context;
361 	uint32_t						DataLength;
362 	uint8_t							Cdb[16];
363 	uint8_t							DeviceStatus;
364 #define ARCMSR_DEV_CHECK_CONDITION	    0x02
365 #define ARCMSR_DEV_SELECT_TIMEOUT	    0xF0
366 #define ARCMSR_DEV_ABORTED		    0xF1
367 #define ARCMSR_DEV_INIT_FAIL		    0xF2
368 
369 	uint8_t							SenseData[15];
370 	union
371 	{
372 		struct SG32ENTRY                sg32entry[1];
373 		struct SG64ENTRY                sg64entry[1];
374 	} u;
375 };
376 /*
377 *******************************************************************************
378 **     Messaging Unit (MU) of the Intel R 80331 I/O processor(Type A) and Type B processor
379 *******************************************************************************
380 */
381 struct MessageUnit_A
382 {
383 	uint32_t	resrved0[4];			/*0000 000F*/
384 	uint32_t	inbound_msgaddr0;		/*0010 0013*/
385 	uint32_t	inbound_msgaddr1;		/*0014 0017*/
386 	uint32_t	outbound_msgaddr0;		/*0018 001B*/
387 	uint32_t	outbound_msgaddr1;		/*001C 001F*/
388 	uint32_t	inbound_doorbell;		/*0020 0023*/
389 	uint32_t	inbound_intstatus;		/*0024 0027*/
390 	uint32_t	inbound_intmask;		/*0028 002B*/
391 	uint32_t	outbound_doorbell;		/*002C 002F*/
392 	uint32_t	outbound_intstatus;		/*0030 0033*/
393 	uint32_t	outbound_intmask;		/*0034 0037*/
394 	uint32_t	reserved1[2];			/*0038 003F*/
395 	uint32_t	inbound_queueport;		/*0040 0043*/
396 	uint32_t	outbound_queueport;     	/*0044 0047*/
397 	uint32_t	reserved2[2];			/*0048 004F*/
398 	uint32_t	reserved3[492];			/*0050 07FF 492*/
399 	uint32_t	reserved4[128];			/*0800 09FF 128*/
400 	uint32_t	message_rwbuffer[256];		/*0a00 0DFF 256*/
401 	uint32_t	message_wbuffer[32];		/*0E00 0E7F  32*/
402 	uint32_t	reserved5[32];			/*0E80 0EFF  32*/
403 	uint32_t	message_rbuffer[32];		/*0F00 0F7F  32*/
404 	uint32_t	reserved6[32];			/*0F80 0FFF  32*/
405 };
406 
407 struct MessageUnit_B
408 {
409 	uint32_t	post_qbuffer[ARCMSR_MAX_HBB_POSTQUEUE];
410 	uint32_t	done_qbuffer[ARCMSR_MAX_HBB_POSTQUEUE];
411 	uint32_t	postq_index;
412 	uint32_t	doneq_index;
413 	uint32_t		__iomem *drv2iop_doorbell;
414 	uint32_t		__iomem *drv2iop_doorbell_mask;
415 	uint32_t		__iomem *iop2drv_doorbell;
416 	uint32_t		__iomem *iop2drv_doorbell_mask;
417 	uint32_t		__iomem *message_rwbuffer;
418 	uint32_t		__iomem *message_wbuffer;
419 	uint32_t		__iomem *message_rbuffer;
420 };
421 /*
422 *********************************************************************
423 ** LSI
424 *********************************************************************
425 */
426 struct MessageUnit_C{
427 	uint32_t	message_unit_status;			/*0000 0003*/
428 	uint32_t	slave_error_attribute;			/*0004 0007*/
429 	uint32_t	slave_error_address;			/*0008 000B*/
430 	uint32_t	posted_outbound_doorbell;		/*000C 000F*/
431 	uint32_t	master_error_attribute;			/*0010 0013*/
432 	uint32_t	master_error_address_low;		/*0014 0017*/
433 	uint32_t	master_error_address_high;		/*0018 001B*/
434 	uint32_t	hcb_size;				/*001C 001F*/
435 	uint32_t	inbound_doorbell;			/*0020 0023*/
436 	uint32_t	diagnostic_rw_data;			/*0024 0027*/
437 	uint32_t	diagnostic_rw_address_low;		/*0028 002B*/
438 	uint32_t	diagnostic_rw_address_high;		/*002C 002F*/
439 	uint32_t	host_int_status;				/*0030 0033*/
440 	uint32_t	host_int_mask;				/*0034 0037*/
441 	uint32_t	dcr_data;				/*0038 003B*/
442 	uint32_t	dcr_address;				/*003C 003F*/
443 	uint32_t	inbound_queueport;			/*0040 0043*/
444 	uint32_t	outbound_queueport;			/*0044 0047*/
445 	uint32_t	hcb_pci_address_low;			/*0048 004B*/
446 	uint32_t	hcb_pci_address_high;			/*004C 004F*/
447 	uint32_t	iop_int_status;				/*0050 0053*/
448 	uint32_t	iop_int_mask;				/*0054 0057*/
449 	uint32_t	iop_inbound_queue_port;			/*0058 005B*/
450 	uint32_t	iop_outbound_queue_port;		/*005C 005F*/
451 	uint32_t	inbound_free_list_index;			/*0060 0063*/
452 	uint32_t	inbound_post_list_index;			/*0064 0067*/
453 	uint32_t	outbound_free_list_index;			/*0068 006B*/
454 	uint32_t	outbound_post_list_index;			/*006C 006F*/
455 	uint32_t	inbound_doorbell_clear;			/*0070 0073*/
456 	uint32_t	i2o_message_unit_control;			/*0074 0077*/
457 	uint32_t	last_used_message_source_address_low;	/*0078 007B*/
458 	uint32_t	last_used_message_source_address_high;	/*007C 007F*/
459 	uint32_t	pull_mode_data_byte_count[4];		/*0080 008F*/
460 	uint32_t	message_dest_address_index;		/*0090 0093*/
461 	uint32_t	done_queue_not_empty_int_counter_timer;	/*0094 0097*/
462 	uint32_t	utility_A_int_counter_timer;		/*0098 009B*/
463 	uint32_t	outbound_doorbell;			/*009C 009F*/
464 	uint32_t	outbound_doorbell_clear;			/*00A0 00A3*/
465 	uint32_t	message_source_address_index;		/*00A4 00A7*/
466 	uint32_t	message_done_queue_index;		/*00A8 00AB*/
467 	uint32_t	reserved0;				/*00AC 00AF*/
468 	uint32_t	inbound_msgaddr0;			/*00B0 00B3*/
469 	uint32_t	inbound_msgaddr1;			/*00B4 00B7*/
470 	uint32_t	outbound_msgaddr0;			/*00B8 00BB*/
471 	uint32_t	outbound_msgaddr1;			/*00BC 00BF*/
472 	uint32_t	inbound_queueport_low;			/*00C0 00C3*/
473 	uint32_t	inbound_queueport_high;			/*00C4 00C7*/
474 	uint32_t	outbound_queueport_low;			/*00C8 00CB*/
475 	uint32_t	outbound_queueport_high;		/*00CC 00CF*/
476 	uint32_t	iop_inbound_queue_port_low;		/*00D0 00D3*/
477 	uint32_t	iop_inbound_queue_port_high;		/*00D4 00D7*/
478 	uint32_t	iop_outbound_queue_port_low;		/*00D8 00DB*/
479 	uint32_t	iop_outbound_queue_port_high;		/*00DC 00DF*/
480 	uint32_t	message_dest_queue_port_low;		/*00E0 00E3*/
481 	uint32_t	message_dest_queue_port_high;		/*00E4 00E7*/
482 	uint32_t	last_used_message_dest_address_low;	/*00E8 00EB*/
483 	uint32_t	last_used_message_dest_address_high;	/*00EC 00EF*/
484 	uint32_t	message_done_queue_base_address_low;	/*00F0 00F3*/
485 	uint32_t	message_done_queue_base_address_high;	/*00F4 00F7*/
486 	uint32_t	host_diagnostic;				/*00F8 00FB*/
487 	uint32_t	write_sequence;				/*00FC 00FF*/
488 	uint32_t	reserved1[34];				/*0100 0187*/
489 	uint32_t	reserved2[1950];				/*0188 1FFF*/
490 	uint32_t	message_wbuffer[32];			/*2000 207F*/
491 	uint32_t	reserved3[32];				/*2080 20FF*/
492 	uint32_t	message_rbuffer[32];			/*2100 217F*/
493 	uint32_t	reserved4[32];				/*2180 21FF*/
494 	uint32_t	msgcode_rwbuffer[256];			/*2200 23FF*/
495 };
496 /*
497 *******************************************************************************
498 **                 Adapter Control Block
499 *******************************************************************************
500 */
501 struct AdapterControlBlock
502 {
503 	uint32_t  adapter_type;                /* adapter A,B..... */
504 	#define ACB_ADAPTER_TYPE_A            0x00000001	/* hba I IOP */
505 	#define ACB_ADAPTER_TYPE_B            0x00000002	/* hbb M IOP */
506 	#define ACB_ADAPTER_TYPE_C            0x00000004	/* hbc P IOP */
507 	#define ACB_ADAPTER_TYPE_D            0x00000008	/* hbd A IOP */
508 	struct pci_dev *		pdev;
509 	struct Scsi_Host *		host;
510 	unsigned long			vir2phy_offset;
511 	/* Offset is used in making arc cdb physical to virtual calculations */
512 	uint32_t			outbound_int_enable;
513 	uint32_t			cdb_phyaddr_hi32;
514 	uint32_t			reg_mu_acc_handle0;
515 	spinlock_t                      			eh_lock;
516 	spinlock_t                      			ccblist_lock;
517 	union {
518 		struct MessageUnit_A __iomem *pmuA;
519 		struct MessageUnit_B 	*pmuB;
520 		struct MessageUnit_C __iomem *pmuC;
521 	};
522 	/* message unit ATU inbound base address0 */
523 	void __iomem *mem_base0;
524 	void __iomem *mem_base1;
525 	uint32_t			acb_flags;
526 	u16			dev_id;
527 	uint8_t                   		adapter_index;
528 	#define ACB_F_SCSISTOPADAPTER         	0x0001
529 	#define ACB_F_MSG_STOP_BGRB     	0x0002
530 	/* stop RAID background rebuild */
531 	#define ACB_F_MSG_START_BGRB          	0x0004
532 	/* stop RAID background rebuild */
533 	#define ACB_F_IOPDATA_OVERFLOW        	0x0008
534 	/* iop message data rqbuffer overflow */
535 	#define ACB_F_MESSAGE_WQBUFFER_CLEARED	0x0010
536 	/* message clear wqbuffer */
537 	#define ACB_F_MESSAGE_RQBUFFER_CLEARED  0x0020
538 	/* message clear rqbuffer */
539 	#define ACB_F_MESSAGE_WQBUFFER_READED   0x0040
540 	#define ACB_F_BUS_RESET               	0x0080
541 	#define ACB_F_BUS_HANG_ON		0x0800/* need hardware reset bus */
542 
543 	#define ACB_F_IOP_INITED              	0x0100
544 	/* iop init */
545 	#define ACB_F_ABORT				0x0200
546 	#define ACB_F_FIRMWARE_TRAP           		0x0400
547 	struct CommandControlBlock *			pccb_pool[ARCMSR_MAX_FREECCB_NUM];
548 	/* used for memory free */
549 	struct list_head		ccb_free_list;
550 	/* head of free ccb list */
551 
552 	atomic_t			ccboutstandingcount;
553 	/*The present outstanding command number that in the IOP that
554 					waiting for being handled by FW*/
555 
556 	void *				dma_coherent;
557 	/* dma_coherent used for memory free */
558 	dma_addr_t			dma_coherent_handle;
559 	/* dma_coherent_handle used for memory free */
560 	dma_addr_t				dma_coherent_handle_hbb_mu;
561 	unsigned int				uncache_size;
562 	uint8_t				rqbuffer[ARCMSR_MAX_QBUFFER];
563 	/* data collection buffer for read from 80331 */
564 	int32_t				rqbuf_firstindex;
565 	/* first of read buffer  */
566 	int32_t				rqbuf_lastindex;
567 	/* last of read buffer   */
568 	uint8_t				wqbuffer[ARCMSR_MAX_QBUFFER];
569 	/* data collection buffer for write to 80331  */
570 	int32_t				wqbuf_firstindex;
571 	/* first of write buffer */
572 	int32_t				wqbuf_lastindex;
573 	/* last of write buffer  */
574 	uint8_t				devstate[ARCMSR_MAX_TARGETID][ARCMSR_MAX_TARGETLUN];
575 	/* id0 ..... id15, lun0...lun7 */
576 #define ARECA_RAID_GONE               0x55
577 #define ARECA_RAID_GOOD               0xaa
578 	uint32_t			num_resets;
579 	uint32_t			num_aborts;
580 	uint32_t			signature;
581 	uint32_t			firm_request_len;
582 	uint32_t			firm_numbers_queue;
583 	uint32_t			firm_sdram_size;
584 	uint32_t			firm_hd_channels;
585 	uint32_t                           	firm_cfg_version;
586 	char			firm_model[12];
587 	char			firm_version[20];
588 	char			device_map[20];			/*21,84-99*/
589 	struct work_struct 		arcmsr_do_message_isr_bh;
590 	struct timer_list		eternal_timer;
591 	unsigned short		fw_flag;
592 				#define	FW_NORMAL	0x0000
593 				#define	FW_BOG		0x0001
594 				#define	FW_DEADLOCK	0x0010
595 	atomic_t 			rq_map_token;
596 	atomic_t			ante_token_value;
597 };/* HW_DEVICE_EXTENSION */
598 /*
599 *******************************************************************************
600 **                   Command Control Block
601 **             this CCB length must be 32 bytes boundary
602 *******************************************************************************
603 */
604 struct CommandControlBlock{
605 	/*x32:sizeof struct_CCB=(32+60)byte, x64:sizeof struct_CCB=(64+60)byte*/
606 	struct list_head		list;				/*x32: 8byte, x64: 16byte*/
607 	struct scsi_cmnd		*pcmd;				/*8 bytes pointer of linux scsi command */
608 	struct AdapterControlBlock	*acb;				/*x32: 4byte, x64: 8byte*/
609 	uint32_t			cdb_phyaddr_pattern;		/*x32: 4byte, x64: 4byte*/
610 	uint32_t			arc_cdb_size;			/*x32:4byte,x64:4byte*/
611 	uint16_t			ccb_flags;			/*x32: 2byte, x64: 2byte*/
612 	#define			CCB_FLAG_READ			0x0000
613 	#define			CCB_FLAG_WRITE		0x0001
614 	#define			CCB_FLAG_ERROR		0x0002
615 	#define			CCB_FLAG_FLUSHCACHE		0x0004
616 	#define			CCB_FLAG_MASTER_ABORTED	0x0008
617 	uint16_t                        	startdone;			/*x32:2byte,x32:2byte*/
618 	#define			ARCMSR_CCB_DONE   	        	0x0000
619 	#define			ARCMSR_CCB_START		0x55AA
620 	#define			ARCMSR_CCB_ABORTED		0xAA55
621 	#define			ARCMSR_CCB_ILLEGAL		0xFFFF
622 	#if BITS_PER_LONG == 64
623 	/*  ======================512+64 bytes========================  */
624 		uint32_t                        	reserved[5];		/*24 byte*/
625 	#else
626 	/*  ======================512+32 bytes========================  */
627 		uint32_t                        	reserved;		/*8  byte*/
628 	#endif
629 	/*  =======================================================   */
630 	struct ARCMSR_CDB		arcmsr_cdb;
631 };
632 /*
633 *******************************************************************************
634 **    ARECA SCSI sense data
635 *******************************************************************************
636 */
637 struct SENSE_DATA
638 {
639 	uint8_t				ErrorCode:7;
640 #define SCSI_SENSE_CURRENT_ERRORS	0x70
641 #define SCSI_SENSE_DEFERRED_ERRORS	0x71
642 	uint8_t				Valid:1;
643 	uint8_t				SegmentNumber;
644 	uint8_t				SenseKey:4;
645 	uint8_t				Reserved:1;
646 	uint8_t				IncorrectLength:1;
647 	uint8_t				EndOfMedia:1;
648 	uint8_t				FileMark:1;
649 	uint8_t				Information[4];
650 	uint8_t				AdditionalSenseLength;
651 	uint8_t				CommandSpecificInformation[4];
652 	uint8_t				AdditionalSenseCode;
653 	uint8_t				AdditionalSenseCodeQualifier;
654 	uint8_t				FieldReplaceableUnitCode;
655 	uint8_t				SenseKeySpecific[3];
656 };
657 /*
658 *******************************************************************************
659 **  Outbound Interrupt Status Register - OISR
660 *******************************************************************************
661 */
662 #define     ARCMSR_MU_OUTBOUND_INTERRUPT_STATUS_REG                 0x30
663 #define     ARCMSR_MU_OUTBOUND_PCI_INT                              0x10
664 #define     ARCMSR_MU_OUTBOUND_POSTQUEUE_INT                        0x08
665 #define     ARCMSR_MU_OUTBOUND_DOORBELL_INT                         0x04
666 #define     ARCMSR_MU_OUTBOUND_MESSAGE1_INT                         0x02
667 #define     ARCMSR_MU_OUTBOUND_MESSAGE0_INT                         0x01
668 #define     ARCMSR_MU_OUTBOUND_HANDLE_INT                 \
669                     (ARCMSR_MU_OUTBOUND_MESSAGE0_INT      \
670                      |ARCMSR_MU_OUTBOUND_MESSAGE1_INT     \
671                      |ARCMSR_MU_OUTBOUND_DOORBELL_INT     \
672                      |ARCMSR_MU_OUTBOUND_POSTQUEUE_INT    \
673                      |ARCMSR_MU_OUTBOUND_PCI_INT)
674 /*
675 *******************************************************************************
676 **  Outbound Interrupt Mask Register - OIMR
677 *******************************************************************************
678 */
679 #define     ARCMSR_MU_OUTBOUND_INTERRUPT_MASK_REG                   0x34
680 #define     ARCMSR_MU_OUTBOUND_PCI_INTMASKENABLE                    0x10
681 #define     ARCMSR_MU_OUTBOUND_POSTQUEUE_INTMASKENABLE              0x08
682 #define     ARCMSR_MU_OUTBOUND_DOORBELL_INTMASKENABLE               0x04
683 #define     ARCMSR_MU_OUTBOUND_MESSAGE1_INTMASKENABLE               0x02
684 #define     ARCMSR_MU_OUTBOUND_MESSAGE0_INTMASKENABLE               0x01
685 #define     ARCMSR_MU_OUTBOUND_ALL_INTMASKENABLE                    0x1F
686 
687 extern void arcmsr_post_ioctldata2iop(struct AdapterControlBlock *);
688 extern void arcmsr_iop_message_read(struct AdapterControlBlock *);
689 extern struct QBUFFER __iomem *arcmsr_get_iop_rqbuffer(struct AdapterControlBlock *);
690 extern struct device_attribute *arcmsr_host_attrs[];
691 extern int arcmsr_alloc_sysfs_attr(struct AdapterControlBlock *);
692 void arcmsr_free_sysfs_attr(struct AdapterControlBlock *acb);
693