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>
46struct device_attribute;
47/*The limit of outstanding scsi command that firmware can handle*/
48#ifdef CONFIG_XEN
49	#define ARCMSR_MAX_FREECCB_NUM	160
50#define ARCMSR_MAX_OUTSTANDING_CMD	155
51#else
52	#define ARCMSR_MAX_FREECCB_NUM	320
53#define ARCMSR_MAX_OUTSTANDING_CMD	255
54#endif
55#define ARCMSR_DRIVER_VERSION		"v1.30.00.04-20140919"
56#define ARCMSR_SCSI_INITIATOR_ID						255
57#define ARCMSR_MAX_XFER_SECTORS							512
58#define ARCMSR_MAX_XFER_SECTORS_B						4096
59#define ARCMSR_MAX_XFER_SECTORS_C						304
60#define ARCMSR_MAX_TARGETID							17
61#define ARCMSR_MAX_TARGETLUN							8
62#define ARCMSR_MAX_CMD_PERLUN		                 ARCMSR_MAX_OUTSTANDING_CMD
63#define ARCMSR_MAX_QBUFFER							4096
64#define ARCMSR_DEFAULT_SG_ENTRIES						38
65#define ARCMSR_MAX_HBB_POSTQUEUE						264
66#define ARCMSR_MAX_ARC1214_POSTQUEUE	256
67#define ARCMSR_MAX_ARC1214_DONEQUEUE	257
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/*
78**********************************************************************************
79**
80**********************************************************************************
81*/
82#define ARC_SUCCESS                                                       0
83#define ARC_FAILURE                                                       1
84/*
85*******************************************************************************
86**        split 64bits dma addressing
87*******************************************************************************
88*/
89#define dma_addr_hi32(addr)               (uint32_t) ((addr>>16)>>16)
90#define dma_addr_lo32(addr)               (uint32_t) (addr & 0xffffffff)
91/*
92*******************************************************************************
93**        MESSAGE CONTROL CODE
94*******************************************************************************
95*/
96struct CMD_MESSAGE
97{
98      uint32_t HeaderLength;
99      uint8_t  Signature[8];
100      uint32_t Timeout;
101      uint32_t ControlCode;
102      uint32_t ReturnCode;
103      uint32_t Length;
104};
105/*
106*******************************************************************************
107**        IOP Message Transfer Data for user space
108*******************************************************************************
109*/
110#define	ARCMSR_API_DATA_BUFLEN	1032
111struct CMD_MESSAGE_FIELD
112{
113    struct CMD_MESSAGE			cmdmessage;
114    uint8_t				messagedatabuffer[ARCMSR_API_DATA_BUFLEN];
115};
116/* IOP message transfer */
117#define ARCMSR_MESSAGE_FAIL			0x0001
118/* DeviceType */
119#define ARECA_SATA_RAID				0x90000000
120/* FunctionCode */
121#define FUNCTION_READ_RQBUFFER			0x0801
122#define FUNCTION_WRITE_WQBUFFER			0x0802
123#define FUNCTION_CLEAR_RQBUFFER			0x0803
124#define FUNCTION_CLEAR_WQBUFFER			0x0804
125#define FUNCTION_CLEAR_ALLQBUFFER		0x0805
126#define FUNCTION_RETURN_CODE_3F			0x0806
127#define FUNCTION_SAY_HELLO			0x0807
128#define FUNCTION_SAY_GOODBYE			0x0808
129#define FUNCTION_FLUSH_ADAPTER_CACHE		0x0809
130#define FUNCTION_GET_FIRMWARE_STATUS			0x080A
131#define FUNCTION_HARDWARE_RESET			0x080B
132/* ARECA IO CONTROL CODE*/
133#define ARCMSR_MESSAGE_READ_RQBUFFER       \
134	ARECA_SATA_RAID | FUNCTION_READ_RQBUFFER
135#define ARCMSR_MESSAGE_WRITE_WQBUFFER      \
136	ARECA_SATA_RAID | FUNCTION_WRITE_WQBUFFER
137#define ARCMSR_MESSAGE_CLEAR_RQBUFFER      \
138	ARECA_SATA_RAID | FUNCTION_CLEAR_RQBUFFER
139#define ARCMSR_MESSAGE_CLEAR_WQBUFFER      \
140	ARECA_SATA_RAID | FUNCTION_CLEAR_WQBUFFER
141#define ARCMSR_MESSAGE_CLEAR_ALLQBUFFER    \
142	ARECA_SATA_RAID | FUNCTION_CLEAR_ALLQBUFFER
143#define ARCMSR_MESSAGE_RETURN_CODE_3F      \
144	ARECA_SATA_RAID | FUNCTION_RETURN_CODE_3F
145#define ARCMSR_MESSAGE_SAY_HELLO           \
146	ARECA_SATA_RAID | FUNCTION_SAY_HELLO
147#define ARCMSR_MESSAGE_SAY_GOODBYE         \
148	ARECA_SATA_RAID | FUNCTION_SAY_GOODBYE
149#define ARCMSR_MESSAGE_FLUSH_ADAPTER_CACHE \
150	ARECA_SATA_RAID | FUNCTION_FLUSH_ADAPTER_CACHE
151/* ARECA IOCTL ReturnCode */
152#define ARCMSR_MESSAGE_RETURNCODE_OK		0x00000001
153#define ARCMSR_MESSAGE_RETURNCODE_ERROR		0x00000006
154#define ARCMSR_MESSAGE_RETURNCODE_3F		0x0000003F
155#define ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON	0x00000088
156/*
157*************************************************************
158**   structure for holding DMA address data
159*************************************************************
160*/
161#define IS_DMA64			(sizeof(dma_addr_t) == 8)
162#define IS_SG64_ADDR                0x01000000 /* bit24 */
163struct  SG32ENTRY
164{
165	__le32					length;
166	__le32					address;
167}__attribute__ ((packed));
168struct  SG64ENTRY
169{
170	__le32					length;
171	__le32					address;
172	__le32					addresshigh;
173}__attribute__ ((packed));
174/*
175********************************************************************
176**      Q Buffer of IOP Message Transfer
177********************************************************************
178*/
179struct QBUFFER
180{
181	uint32_t      data_len;
182	uint8_t       data[124];
183};
184/*
185*******************************************************************************
186**      FIRMWARE INFO for Intel IOP R 80331 processor (Type A)
187*******************************************************************************
188*/
189struct FIRMWARE_INFO
190{
191	uint32_t      signature;		/*0, 00-03*/
192	uint32_t      request_len;		/*1, 04-07*/
193	uint32_t      numbers_queue;		/*2, 08-11*/
194	uint32_t      sdram_size;               /*3, 12-15*/
195	uint32_t      ide_channels;		/*4, 16-19*/
196	char          vendor[40];		/*5, 20-59*/
197	char          model[8];			/*15, 60-67*/
198	char          firmware_ver[16];     	/*17, 68-83*/
199	char          device_map[16];		/*21, 84-99*/
200	uint32_t		cfgVersion;               	/*25,100-103 Added for checking of new firmware capability*/
201	uint8_t		cfgSerial[16];           	/*26,104-119*/
202	uint32_t		cfgPicStatus;            	/*30,120-123*/
203};
204/* signature of set and get firmware config */
205#define ARCMSR_SIGNATURE_GET_CONFIG		      0x87974060
206#define ARCMSR_SIGNATURE_SET_CONFIG		      0x87974063
207/* message code of inbound message register */
208#define ARCMSR_INBOUND_MESG0_NOP		      0x00000000
209#define ARCMSR_INBOUND_MESG0_GET_CONFIG		      0x00000001
210#define ARCMSR_INBOUND_MESG0_SET_CONFIG               0x00000002
211#define ARCMSR_INBOUND_MESG0_ABORT_CMD                0x00000003
212#define ARCMSR_INBOUND_MESG0_STOP_BGRB                0x00000004
213#define ARCMSR_INBOUND_MESG0_FLUSH_CACHE              0x00000005
214#define ARCMSR_INBOUND_MESG0_START_BGRB               0x00000006
215#define ARCMSR_INBOUND_MESG0_CHK331PENDING            0x00000007
216#define ARCMSR_INBOUND_MESG0_SYNC_TIMER               0x00000008
217/* doorbell interrupt generator */
218#define ARCMSR_INBOUND_DRIVER_DATA_WRITE_OK           0x00000001
219#define ARCMSR_INBOUND_DRIVER_DATA_READ_OK            0x00000002
220#define ARCMSR_OUTBOUND_IOP331_DATA_WRITE_OK          0x00000001
221#define ARCMSR_OUTBOUND_IOP331_DATA_READ_OK           0x00000002
222/* ccb areca cdb flag */
223#define ARCMSR_CCBPOST_FLAG_SGL_BSIZE                 0x80000000
224#define ARCMSR_CCBPOST_FLAG_IAM_BIOS                  0x40000000
225#define ARCMSR_CCBREPLY_FLAG_IAM_BIOS                 0x40000000
226#define ARCMSR_CCBREPLY_FLAG_ERROR_MODE0              0x10000000
227#define ARCMSR_CCBREPLY_FLAG_ERROR_MODE1              0x00000001
228/* outbound firmware ok */
229#define ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK             0x80000000
230/* ARC-1680 Bus Reset*/
231#define ARCMSR_ARC1680_BUS_RESET				0x00000003
232/* ARC-1880 Bus Reset*/
233#define ARCMSR_ARC1880_RESET_ADAPTER				0x00000024
234#define ARCMSR_ARC1880_DiagWrite_ENABLE			0x00000080
235
236/*
237************************************************************************
238**                SPEC. for Areca Type B adapter
239************************************************************************
240*/
241/* ARECA HBB COMMAND for its FIRMWARE */
242/* window of "instruction flags" from driver to iop */
243#define ARCMSR_DRV2IOP_DOORBELL                       0x00020400
244#define ARCMSR_DRV2IOP_DOORBELL_MASK                  0x00020404
245/* window of "instruction flags" from iop to driver */
246#define ARCMSR_IOP2DRV_DOORBELL                       0x00020408
247#define ARCMSR_IOP2DRV_DOORBELL_MASK                  0x0002040C
248/* ARECA FLAG LANGUAGE */
249/* ioctl transfer */
250#define ARCMSR_IOP2DRV_DATA_WRITE_OK                  0x00000001
251/* ioctl transfer */
252#define ARCMSR_IOP2DRV_DATA_READ_OK                   0x00000002
253#define ARCMSR_IOP2DRV_CDB_DONE                       0x00000004
254#define ARCMSR_IOP2DRV_MESSAGE_CMD_DONE               0x00000008
255
256#define ARCMSR_DOORBELL_HANDLE_INT		      0x0000000F
257#define ARCMSR_DOORBELL_INT_CLEAR_PATTERN   	      0xFF00FFF0
258#define ARCMSR_MESSAGE_INT_CLEAR_PATTERN	      0xFF00FFF7
259/* (ARCMSR_INBOUND_MESG0_GET_CONFIG<<16)|ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED) */
260#define ARCMSR_MESSAGE_GET_CONFIG		      0x00010008
261/* (ARCMSR_INBOUND_MESG0_SET_CONFIG<<16)|ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED) */
262#define ARCMSR_MESSAGE_SET_CONFIG		      0x00020008
263/* (ARCMSR_INBOUND_MESG0_ABORT_CMD<<16)|ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED) */
264#define ARCMSR_MESSAGE_ABORT_CMD		      0x00030008
265/* (ARCMSR_INBOUND_MESG0_STOP_BGRB<<16)|ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED) */
266#define ARCMSR_MESSAGE_STOP_BGRB		      0x00040008
267/* (ARCMSR_INBOUND_MESG0_FLUSH_CACHE<<16)|ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED) */
268#define ARCMSR_MESSAGE_FLUSH_CACHE                    0x00050008
269/* (ARCMSR_INBOUND_MESG0_START_BGRB<<16)|ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED) */
270#define ARCMSR_MESSAGE_START_BGRB		      0x00060008
271#define ARCMSR_MESSAGE_START_DRIVER_MODE	      0x000E0008
272#define ARCMSR_MESSAGE_SET_POST_WINDOW		      0x000F0008
273#define ARCMSR_MESSAGE_ACTIVE_EOI_MODE		    0x00100008
274/* ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK */
275#define ARCMSR_MESSAGE_FIRMWARE_OK		      0x80000000
276/* ioctl transfer */
277#define ARCMSR_DRV2IOP_DATA_WRITE_OK                  0x00000001
278/* ioctl transfer */
279#define ARCMSR_DRV2IOP_DATA_READ_OK                   0x00000002
280#define ARCMSR_DRV2IOP_CDB_POSTED                     0x00000004
281#define ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED             0x00000008
282#define ARCMSR_DRV2IOP_END_OF_INTERRUPT		0x00000010
283
284/* data tunnel buffer between user space program and its firmware */
285/* user space data to iop 128bytes */
286#define ARCMSR_MESSAGE_WBUFFER			      0x0000fe00
287/* iop data to user space 128bytes */
288#define ARCMSR_MESSAGE_RBUFFER			      0x0000ff00
289/* iop message_rwbuffer for message command */
290#define ARCMSR_MESSAGE_RWBUFFER			      0x0000fa00
291/*
292************************************************************************
293**                SPEC. for Areca HBC adapter
294************************************************************************
295*/
296#define ARCMSR_HBC_ISR_THROTTLING_LEVEL		12
297#define ARCMSR_HBC_ISR_MAX_DONE_QUEUE		20
298/* Host Interrupt Mask */
299#define ARCMSR_HBCMU_UTILITY_A_ISR_MASK		0x00000001 /* When clear, the Utility_A interrupt routes to the host.*/
300#define ARCMSR_HBCMU_OUTBOUND_DOORBELL_ISR_MASK	0x00000004 /* When clear, the General Outbound Doorbell interrupt routes to the host.*/
301#define ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR_MASK	0x00000008 /* When clear, the Outbound Post List FIFO Not Empty interrupt routes to the host.*/
302#define ARCMSR_HBCMU_ALL_INTMASKENABLE		0x0000000D /* disable all ISR */
303/* Host Interrupt Status */
304#define ARCMSR_HBCMU_UTILITY_A_ISR			0x00000001
305	/*
306	** Set when the Utility_A Interrupt bit is set in the Outbound Doorbell Register.
307	** It clears by writing a 1 to the Utility_A bit in the Outbound Doorbell Clear Register or through automatic clearing (if enabled).
308	*/
309#define ARCMSR_HBCMU_OUTBOUND_DOORBELL_ISR		0x00000004
310	/*
311	** Set if Outbound Doorbell register bits 30:1 have a non-zero
312	** value. This bit clears only when Outbound Doorbell bits
313	** 30:1 are ALL clear. Only a write to the Outbound Doorbell
314	** Clear register clears bits in the Outbound Doorbell register.
315	*/
316#define ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR	0x00000008
317	/*
318	** Set whenever the Outbound Post List Producer/Consumer
319	** Register (FIFO) is not empty. It clears when the Outbound
320	** Post List FIFO is empty.
321	*/
322#define ARCMSR_HBCMU_SAS_ALL_INT			0x00000010
323	/*
324	** This bit indicates a SAS interrupt from a source external to
325	** the PCIe core. This bit is not maskable.
326	*/
327	/* DoorBell*/
328#define ARCMSR_HBCMU_DRV2IOP_DATA_WRITE_OK			0x00000002
329#define ARCMSR_HBCMU_DRV2IOP_DATA_READ_OK			0x00000004
330	/*inbound message 0 ready*/
331#define ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE		0x00000008
332	/*more than 12 request completed in a time*/
333#define ARCMSR_HBCMU_DRV2IOP_POSTQUEUE_THROTTLING		0x00000010
334#define ARCMSR_HBCMU_IOP2DRV_DATA_WRITE_OK			0x00000002
335	/*outbound DATA WRITE isr door bell clear*/
336#define ARCMSR_HBCMU_IOP2DRV_DATA_WRITE_DOORBELL_CLEAR	0x00000002
337#define ARCMSR_HBCMU_IOP2DRV_DATA_READ_OK			0x00000004
338	/*outbound DATA READ isr door bell clear*/
339#define ARCMSR_HBCMU_IOP2DRV_DATA_READ_DOORBELL_CLEAR	0x00000004
340	/*outbound message 0 ready*/
341#define ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE		0x00000008
342	/*outbound message cmd isr door bell clear*/
343#define ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR	0x00000008
344	/*ARCMSR_HBAMU_MESSAGE_FIRMWARE_OK*/
345#define ARCMSR_HBCMU_MESSAGE_FIRMWARE_OK			0x80000000
346/*
347*******************************************************************************
348**                SPEC. for Areca Type D adapter
349*******************************************************************************
350*/
351#define ARCMSR_ARC1214_CHIP_ID				0x00004
352#define ARCMSR_ARC1214_CPU_MEMORY_CONFIGURATION		0x00008
353#define ARCMSR_ARC1214_I2_HOST_INTERRUPT_MASK		0x00034
354#define ARCMSR_ARC1214_SAMPLE_RESET			0x00100
355#define ARCMSR_ARC1214_RESET_REQUEST			0x00108
356#define ARCMSR_ARC1214_MAIN_INTERRUPT_STATUS		0x00200
357#define ARCMSR_ARC1214_PCIE_F0_INTERRUPT_ENABLE		0x0020C
358#define ARCMSR_ARC1214_INBOUND_MESSAGE0			0x00400
359#define ARCMSR_ARC1214_INBOUND_MESSAGE1			0x00404
360#define ARCMSR_ARC1214_OUTBOUND_MESSAGE0		0x00420
361#define ARCMSR_ARC1214_OUTBOUND_MESSAGE1		0x00424
362#define ARCMSR_ARC1214_INBOUND_DOORBELL			0x00460
363#define ARCMSR_ARC1214_OUTBOUND_DOORBELL		0x00480
364#define ARCMSR_ARC1214_OUTBOUND_DOORBELL_ENABLE		0x00484
365#define ARCMSR_ARC1214_INBOUND_LIST_BASE_LOW		0x01000
366#define ARCMSR_ARC1214_INBOUND_LIST_BASE_HIGH		0x01004
367#define ARCMSR_ARC1214_INBOUND_LIST_WRITE_POINTER	0x01018
368#define ARCMSR_ARC1214_OUTBOUND_LIST_BASE_LOW		0x01060
369#define ARCMSR_ARC1214_OUTBOUND_LIST_BASE_HIGH		0x01064
370#define ARCMSR_ARC1214_OUTBOUND_LIST_COPY_POINTER	0x0106C
371#define ARCMSR_ARC1214_OUTBOUND_LIST_READ_POINTER	0x01070
372#define ARCMSR_ARC1214_OUTBOUND_INTERRUPT_CAUSE		0x01088
373#define ARCMSR_ARC1214_OUTBOUND_INTERRUPT_ENABLE	0x0108C
374#define ARCMSR_ARC1214_MESSAGE_WBUFFER			0x02000
375#define ARCMSR_ARC1214_MESSAGE_RBUFFER			0x02100
376#define ARCMSR_ARC1214_MESSAGE_RWBUFFER			0x02200
377/* Host Interrupt Mask */
378#define ARCMSR_ARC1214_ALL_INT_ENABLE			0x00001010
379#define ARCMSR_ARC1214_ALL_INT_DISABLE			0x00000000
380/* Host Interrupt Status */
381#define ARCMSR_ARC1214_OUTBOUND_DOORBELL_ISR		0x00001000
382#define ARCMSR_ARC1214_OUTBOUND_POSTQUEUE_ISR		0x00000010
383/* DoorBell*/
384#define ARCMSR_ARC1214_DRV2IOP_DATA_IN_READY		0x00000001
385#define ARCMSR_ARC1214_DRV2IOP_DATA_OUT_READ		0x00000002
386/*inbound message 0 ready*/
387#define ARCMSR_ARC1214_IOP2DRV_DATA_WRITE_OK		0x00000001
388/*outbound DATA WRITE isr door bell clear*/
389#define ARCMSR_ARC1214_IOP2DRV_DATA_READ_OK		0x00000002
390/*outbound message 0 ready*/
391#define ARCMSR_ARC1214_IOP2DRV_MESSAGE_CMD_DONE		0x02000000
392/*outbound message cmd isr door bell clear*/
393/*ARCMSR_HBAMU_MESSAGE_FIRMWARE_OK*/
394#define ARCMSR_ARC1214_MESSAGE_FIRMWARE_OK		0x80000000
395#define ARCMSR_ARC1214_OUTBOUND_LIST_INTERRUPT_CLEAR	0x00000001
396/*
397*******************************************************************************
398**    ARECA SCSI COMMAND DESCRIPTOR BLOCK size 0x1F8 (504)
399*******************************************************************************
400*/
401struct ARCMSR_CDB
402{
403	uint8_t							Bus;
404	uint8_t							TargetID;
405	uint8_t							LUN;
406	uint8_t							Function;
407	uint8_t							CdbLength;
408	uint8_t							sgcount;
409	uint8_t							Flags;
410#define ARCMSR_CDB_FLAG_SGL_BSIZE          0x01
411#define ARCMSR_CDB_FLAG_BIOS               0x02
412#define ARCMSR_CDB_FLAG_WRITE              0x04
413#define ARCMSR_CDB_FLAG_SIMPLEQ            0x00
414#define ARCMSR_CDB_FLAG_HEADQ              0x08
415#define ARCMSR_CDB_FLAG_ORDEREDQ           0x10
416
417	uint8_t							msgPages;
418	uint32_t						msgContext;
419	uint32_t						DataLength;
420	uint8_t							Cdb[16];
421	uint8_t							DeviceStatus;
422#define ARCMSR_DEV_CHECK_CONDITION	    0x02
423#define ARCMSR_DEV_SELECT_TIMEOUT	    0xF0
424#define ARCMSR_DEV_ABORTED		    0xF1
425#define ARCMSR_DEV_INIT_FAIL		    0xF2
426
427	uint8_t							SenseData[15];
428	union
429	{
430		struct SG32ENTRY                sg32entry[1];
431		struct SG64ENTRY                sg64entry[1];
432	} u;
433};
434/*
435*******************************************************************************
436**     Messaging Unit (MU) of the Intel R 80331 I/O processor(Type A) and Type B processor
437*******************************************************************************
438*/
439struct MessageUnit_A
440{
441	uint32_t	resrved0[4];			/*0000 000F*/
442	uint32_t	inbound_msgaddr0;		/*0010 0013*/
443	uint32_t	inbound_msgaddr1;		/*0014 0017*/
444	uint32_t	outbound_msgaddr0;		/*0018 001B*/
445	uint32_t	outbound_msgaddr1;		/*001C 001F*/
446	uint32_t	inbound_doorbell;		/*0020 0023*/
447	uint32_t	inbound_intstatus;		/*0024 0027*/
448	uint32_t	inbound_intmask;		/*0028 002B*/
449	uint32_t	outbound_doorbell;		/*002C 002F*/
450	uint32_t	outbound_intstatus;		/*0030 0033*/
451	uint32_t	outbound_intmask;		/*0034 0037*/
452	uint32_t	reserved1[2];			/*0038 003F*/
453	uint32_t	inbound_queueport;		/*0040 0043*/
454	uint32_t	outbound_queueport;     	/*0044 0047*/
455	uint32_t	reserved2[2];			/*0048 004F*/
456	uint32_t	reserved3[492];			/*0050 07FF 492*/
457	uint32_t	reserved4[128];			/*0800 09FF 128*/
458	uint32_t	message_rwbuffer[256];		/*0a00 0DFF 256*/
459	uint32_t	message_wbuffer[32];		/*0E00 0E7F  32*/
460	uint32_t	reserved5[32];			/*0E80 0EFF  32*/
461	uint32_t	message_rbuffer[32];		/*0F00 0F7F  32*/
462	uint32_t	reserved6[32];			/*0F80 0FFF  32*/
463};
464
465struct MessageUnit_B
466{
467	uint32_t	post_qbuffer[ARCMSR_MAX_HBB_POSTQUEUE];
468	uint32_t	done_qbuffer[ARCMSR_MAX_HBB_POSTQUEUE];
469	uint32_t	postq_index;
470	uint32_t	doneq_index;
471	uint32_t		__iomem *drv2iop_doorbell;
472	uint32_t		__iomem *drv2iop_doorbell_mask;
473	uint32_t		__iomem *iop2drv_doorbell;
474	uint32_t		__iomem *iop2drv_doorbell_mask;
475	uint32_t		__iomem *message_rwbuffer;
476	uint32_t		__iomem *message_wbuffer;
477	uint32_t		__iomem *message_rbuffer;
478};
479/*
480*********************************************************************
481** LSI
482*********************************************************************
483*/
484struct MessageUnit_C{
485	uint32_t	message_unit_status;			/*0000 0003*/
486	uint32_t	slave_error_attribute;			/*0004 0007*/
487	uint32_t	slave_error_address;			/*0008 000B*/
488	uint32_t	posted_outbound_doorbell;		/*000C 000F*/
489	uint32_t	master_error_attribute;			/*0010 0013*/
490	uint32_t	master_error_address_low;		/*0014 0017*/
491	uint32_t	master_error_address_high;		/*0018 001B*/
492	uint32_t	hcb_size;				/*001C 001F*/
493	uint32_t	inbound_doorbell;			/*0020 0023*/
494	uint32_t	diagnostic_rw_data;			/*0024 0027*/
495	uint32_t	diagnostic_rw_address_low;		/*0028 002B*/
496	uint32_t	diagnostic_rw_address_high;		/*002C 002F*/
497	uint32_t	host_int_status;				/*0030 0033*/
498	uint32_t	host_int_mask;				/*0034 0037*/
499	uint32_t	dcr_data;				/*0038 003B*/
500	uint32_t	dcr_address;				/*003C 003F*/
501	uint32_t	inbound_queueport;			/*0040 0043*/
502	uint32_t	outbound_queueport;			/*0044 0047*/
503	uint32_t	hcb_pci_address_low;			/*0048 004B*/
504	uint32_t	hcb_pci_address_high;			/*004C 004F*/
505	uint32_t	iop_int_status;				/*0050 0053*/
506	uint32_t	iop_int_mask;				/*0054 0057*/
507	uint32_t	iop_inbound_queue_port;			/*0058 005B*/
508	uint32_t	iop_outbound_queue_port;		/*005C 005F*/
509	uint32_t	inbound_free_list_index;			/*0060 0063*/
510	uint32_t	inbound_post_list_index;			/*0064 0067*/
511	uint32_t	outbound_free_list_index;			/*0068 006B*/
512	uint32_t	outbound_post_list_index;			/*006C 006F*/
513	uint32_t	inbound_doorbell_clear;			/*0070 0073*/
514	uint32_t	i2o_message_unit_control;			/*0074 0077*/
515	uint32_t	last_used_message_source_address_low;	/*0078 007B*/
516	uint32_t	last_used_message_source_address_high;	/*007C 007F*/
517	uint32_t	pull_mode_data_byte_count[4];		/*0080 008F*/
518	uint32_t	message_dest_address_index;		/*0090 0093*/
519	uint32_t	done_queue_not_empty_int_counter_timer;	/*0094 0097*/
520	uint32_t	utility_A_int_counter_timer;		/*0098 009B*/
521	uint32_t	outbound_doorbell;			/*009C 009F*/
522	uint32_t	outbound_doorbell_clear;			/*00A0 00A3*/
523	uint32_t	message_source_address_index;		/*00A4 00A7*/
524	uint32_t	message_done_queue_index;		/*00A8 00AB*/
525	uint32_t	reserved0;				/*00AC 00AF*/
526	uint32_t	inbound_msgaddr0;			/*00B0 00B3*/
527	uint32_t	inbound_msgaddr1;			/*00B4 00B7*/
528	uint32_t	outbound_msgaddr0;			/*00B8 00BB*/
529	uint32_t	outbound_msgaddr1;			/*00BC 00BF*/
530	uint32_t	inbound_queueport_low;			/*00C0 00C3*/
531	uint32_t	inbound_queueport_high;			/*00C4 00C7*/
532	uint32_t	outbound_queueport_low;			/*00C8 00CB*/
533	uint32_t	outbound_queueport_high;		/*00CC 00CF*/
534	uint32_t	iop_inbound_queue_port_low;		/*00D0 00D3*/
535	uint32_t	iop_inbound_queue_port_high;		/*00D4 00D7*/
536	uint32_t	iop_outbound_queue_port_low;		/*00D8 00DB*/
537	uint32_t	iop_outbound_queue_port_high;		/*00DC 00DF*/
538	uint32_t	message_dest_queue_port_low;		/*00E0 00E3*/
539	uint32_t	message_dest_queue_port_high;		/*00E4 00E7*/
540	uint32_t	last_used_message_dest_address_low;	/*00E8 00EB*/
541	uint32_t	last_used_message_dest_address_high;	/*00EC 00EF*/
542	uint32_t	message_done_queue_base_address_low;	/*00F0 00F3*/
543	uint32_t	message_done_queue_base_address_high;	/*00F4 00F7*/
544	uint32_t	host_diagnostic;				/*00F8 00FB*/
545	uint32_t	write_sequence;				/*00FC 00FF*/
546	uint32_t	reserved1[34];				/*0100 0187*/
547	uint32_t	reserved2[1950];				/*0188 1FFF*/
548	uint32_t	message_wbuffer[32];			/*2000 207F*/
549	uint32_t	reserved3[32];				/*2080 20FF*/
550	uint32_t	message_rbuffer[32];			/*2100 217F*/
551	uint32_t	reserved4[32];				/*2180 21FF*/
552	uint32_t	msgcode_rwbuffer[256];			/*2200 23FF*/
553};
554/*
555*********************************************************************
556**     Messaging Unit (MU) of Type D processor
557*********************************************************************
558*/
559struct InBound_SRB {
560	uint32_t addressLow; /* pointer to SRB block */
561	uint32_t addressHigh;
562	uint32_t length; /* in DWORDs */
563	uint32_t reserved0;
564};
565
566struct OutBound_SRB {
567	uint32_t addressLow; /* pointer to SRB block */
568	uint32_t addressHigh;
569};
570
571struct MessageUnit_D {
572	struct InBound_SRB	post_qbuffer[ARCMSR_MAX_ARC1214_POSTQUEUE];
573	volatile struct OutBound_SRB
574				done_qbuffer[ARCMSR_MAX_ARC1214_DONEQUEUE];
575	u16 postq_index;
576	volatile u16 doneq_index;
577	u32 __iomem *chip_id;			/* 0x00004 */
578	u32 __iomem *cpu_mem_config;		/* 0x00008 */
579	u32 __iomem *i2o_host_interrupt_mask;	/* 0x00034 */
580	u32 __iomem *sample_at_reset;		/* 0x00100 */
581	u32 __iomem *reset_request;		/* 0x00108 */
582	u32 __iomem *host_int_status;		/* 0x00200 */
583	u32 __iomem *pcief0_int_enable;		/* 0x0020C */
584	u32 __iomem *inbound_msgaddr0;		/* 0x00400 */
585	u32 __iomem *inbound_msgaddr1;		/* 0x00404 */
586	u32 __iomem *outbound_msgaddr0;		/* 0x00420 */
587	u32 __iomem *outbound_msgaddr1;		/* 0x00424 */
588	u32 __iomem *inbound_doorbell;		/* 0x00460 */
589	u32 __iomem *outbound_doorbell;		/* 0x00480 */
590	u32 __iomem *outbound_doorbell_enable;	/* 0x00484 */
591	u32 __iomem *inboundlist_base_low;	/* 0x01000 */
592	u32 __iomem *inboundlist_base_high;	/* 0x01004 */
593	u32 __iomem *inboundlist_write_pointer;	/* 0x01018 */
594	u32 __iomem *outboundlist_base_low;	/* 0x01060 */
595	u32 __iomem *outboundlist_base_high;	/* 0x01064 */
596	u32 __iomem *outboundlist_copy_pointer;	/* 0x0106C */
597	u32 __iomem *outboundlist_read_pointer;	/* 0x01070 0x01072 */
598	u32 __iomem *outboundlist_interrupt_cause;	/* 0x1088 */
599	u32 __iomem *outboundlist_interrupt_enable;	/* 0x108C */
600	u32 __iomem *message_wbuffer;		/* 0x2000 */
601	u32 __iomem *message_rbuffer;		/* 0x2100 */
602	u32 __iomem *msgcode_rwbuffer;		/* 0x2200 */
603};
604/*
605*******************************************************************************
606**                 Adapter Control Block
607*******************************************************************************
608*/
609struct AdapterControlBlock
610{
611	uint32_t  adapter_type;                /* adapter A,B..... */
612	#define ACB_ADAPTER_TYPE_A            0x00000001	/* hba I IOP */
613	#define ACB_ADAPTER_TYPE_B            0x00000002	/* hbb M IOP */
614	#define ACB_ADAPTER_TYPE_C            0x00000004	/* hbc P IOP */
615	#define ACB_ADAPTER_TYPE_D            0x00000008	/* hbd A IOP */
616	u32				roundup_ccbsize;
617	struct pci_dev *		pdev;
618	struct Scsi_Host *		host;
619	unsigned long			vir2phy_offset;
620	struct msix_entry	entries[ARCMST_NUM_MSIX_VECTORS];
621	/* Offset is used in making arc cdb physical to virtual calculations */
622	uint32_t			outbound_int_enable;
623	uint32_t			cdb_phyaddr_hi32;
624	uint32_t			reg_mu_acc_handle0;
625	spinlock_t                      			eh_lock;
626	spinlock_t                      			ccblist_lock;
627	spinlock_t			postq_lock;
628	spinlock_t			doneq_lock;
629	spinlock_t			rqbuffer_lock;
630	spinlock_t			wqbuffer_lock;
631	union {
632		struct MessageUnit_A __iomem *pmuA;
633		struct MessageUnit_B 	*pmuB;
634		struct MessageUnit_C __iomem *pmuC;
635		struct MessageUnit_D 	*pmuD;
636	};
637	/* message unit ATU inbound base address0 */
638	void __iomem *mem_base0;
639	void __iomem *mem_base1;
640	uint32_t			acb_flags;
641	u16			dev_id;
642	uint8_t                   		adapter_index;
643	#define ACB_F_SCSISTOPADAPTER         	0x0001
644	#define ACB_F_MSG_STOP_BGRB     	0x0002
645	/* stop RAID background rebuild */
646	#define ACB_F_MSG_START_BGRB          	0x0004
647	/* stop RAID background rebuild */
648	#define ACB_F_IOPDATA_OVERFLOW        	0x0008
649	/* iop message data rqbuffer overflow */
650	#define ACB_F_MESSAGE_WQBUFFER_CLEARED	0x0010
651	/* message clear wqbuffer */
652	#define ACB_F_MESSAGE_RQBUFFER_CLEARED  0x0020
653	/* message clear rqbuffer */
654	#define ACB_F_MESSAGE_WQBUFFER_READED   0x0040
655	#define ACB_F_BUS_RESET               	0x0080
656	#define ACB_F_BUS_HANG_ON		0x0800/* need hardware reset bus */
657
658	#define ACB_F_IOP_INITED              	0x0100
659	/* iop init */
660	#define ACB_F_ABORT				0x0200
661	#define ACB_F_FIRMWARE_TRAP           		0x0400
662	#define ACB_F_MSI_ENABLED		0x1000
663	#define ACB_F_MSIX_ENABLED		0x2000
664	struct CommandControlBlock *			pccb_pool[ARCMSR_MAX_FREECCB_NUM];
665	/* used for memory free */
666	struct list_head		ccb_free_list;
667	/* head of free ccb list */
668
669	atomic_t			ccboutstandingcount;
670	/*The present outstanding command number that in the IOP that
671					waiting for being handled by FW*/
672
673	void *				dma_coherent;
674	/* dma_coherent used for memory free */
675	dma_addr_t			dma_coherent_handle;
676	/* dma_coherent_handle used for memory free */
677	dma_addr_t				dma_coherent_handle2;
678	void				*dma_coherent2;
679	unsigned int				uncache_size;
680	uint8_t				rqbuffer[ARCMSR_MAX_QBUFFER];
681	/* data collection buffer for read from 80331 */
682	int32_t				rqbuf_getIndex;
683	/* first of read buffer  */
684	int32_t				rqbuf_putIndex;
685	/* last of read buffer   */
686	uint8_t				wqbuffer[ARCMSR_MAX_QBUFFER];
687	/* data collection buffer for write to 80331  */
688	int32_t				wqbuf_getIndex;
689	/* first of write buffer */
690	int32_t				wqbuf_putIndex;
691	/* last of write buffer  */
692	uint8_t				devstate[ARCMSR_MAX_TARGETID][ARCMSR_MAX_TARGETLUN];
693	/* id0 ..... id15, lun0...lun7 */
694#define ARECA_RAID_GONE               0x55
695#define ARECA_RAID_GOOD               0xaa
696	uint32_t			num_resets;
697	uint32_t			num_aborts;
698	uint32_t			signature;
699	uint32_t			firm_request_len;
700	uint32_t			firm_numbers_queue;
701	uint32_t			firm_sdram_size;
702	uint32_t			firm_hd_channels;
703	uint32_t                           	firm_cfg_version;
704	char			firm_model[12];
705	char			firm_version[20];
706	char			device_map[20];			/*21,84-99*/
707	struct work_struct 		arcmsr_do_message_isr_bh;
708	struct timer_list		eternal_timer;
709	unsigned short		fw_flag;
710				#define	FW_NORMAL	0x0000
711				#define	FW_BOG		0x0001
712				#define	FW_DEADLOCK	0x0010
713	atomic_t 			rq_map_token;
714	atomic_t			ante_token_value;
715	uint32_t	maxOutstanding;
716	int		msix_vector_count;
717};/* HW_DEVICE_EXTENSION */
718/*
719*******************************************************************************
720**                   Command Control Block
721**             this CCB length must be 32 bytes boundary
722*******************************************************************************
723*/
724struct CommandControlBlock{
725	/*x32:sizeof struct_CCB=(32+60)byte, x64:sizeof struct_CCB=(64+60)byte*/
726	struct list_head		list;				/*x32: 8byte, x64: 16byte*/
727	struct scsi_cmnd		*pcmd;				/*8 bytes pointer of linux scsi command */
728	struct AdapterControlBlock	*acb;				/*x32: 4byte, x64: 8byte*/
729	uint32_t			cdb_phyaddr;			/*x32: 4byte, x64: 4byte*/
730	uint32_t			arc_cdb_size;			/*x32:4byte,x64:4byte*/
731	uint16_t			ccb_flags;			/*x32: 2byte, x64: 2byte*/
732	#define			CCB_FLAG_READ			0x0000
733	#define			CCB_FLAG_WRITE		0x0001
734	#define			CCB_FLAG_ERROR		0x0002
735	#define			CCB_FLAG_FLUSHCACHE		0x0004
736	#define			CCB_FLAG_MASTER_ABORTED	0x0008
737	uint16_t                        	startdone;			/*x32:2byte,x32:2byte*/
738	#define			ARCMSR_CCB_DONE   	        	0x0000
739	#define			ARCMSR_CCB_START		0x55AA
740	#define			ARCMSR_CCB_ABORTED		0xAA55
741	#define			ARCMSR_CCB_ILLEGAL		0xFFFF
742	#if BITS_PER_LONG == 64
743	/*  ======================512+64 bytes========================  */
744		uint32_t                        	reserved[5];		/*24 byte*/
745	#else
746	/*  ======================512+32 bytes========================  */
747		uint32_t                        	reserved;		/*8  byte*/
748	#endif
749	/*  =======================================================   */
750	struct ARCMSR_CDB		arcmsr_cdb;
751};
752/*
753*******************************************************************************
754**    ARECA SCSI sense data
755*******************************************************************************
756*/
757struct SENSE_DATA
758{
759	uint8_t				ErrorCode:7;
760#define SCSI_SENSE_CURRENT_ERRORS	0x70
761#define SCSI_SENSE_DEFERRED_ERRORS	0x71
762	uint8_t				Valid:1;
763	uint8_t				SegmentNumber;
764	uint8_t				SenseKey:4;
765	uint8_t				Reserved:1;
766	uint8_t				IncorrectLength:1;
767	uint8_t				EndOfMedia:1;
768	uint8_t				FileMark:1;
769	uint8_t				Information[4];
770	uint8_t				AdditionalSenseLength;
771	uint8_t				CommandSpecificInformation[4];
772	uint8_t				AdditionalSenseCode;
773	uint8_t				AdditionalSenseCodeQualifier;
774	uint8_t				FieldReplaceableUnitCode;
775	uint8_t				SenseKeySpecific[3];
776};
777/*
778*******************************************************************************
779**  Outbound Interrupt Status Register - OISR
780*******************************************************************************
781*/
782#define     ARCMSR_MU_OUTBOUND_INTERRUPT_STATUS_REG                 0x30
783#define     ARCMSR_MU_OUTBOUND_PCI_INT                              0x10
784#define     ARCMSR_MU_OUTBOUND_POSTQUEUE_INT                        0x08
785#define     ARCMSR_MU_OUTBOUND_DOORBELL_INT                         0x04
786#define     ARCMSR_MU_OUTBOUND_MESSAGE1_INT                         0x02
787#define     ARCMSR_MU_OUTBOUND_MESSAGE0_INT                         0x01
788#define     ARCMSR_MU_OUTBOUND_HANDLE_INT                 \
789                    (ARCMSR_MU_OUTBOUND_MESSAGE0_INT      \
790                     |ARCMSR_MU_OUTBOUND_MESSAGE1_INT     \
791                     |ARCMSR_MU_OUTBOUND_DOORBELL_INT     \
792                     |ARCMSR_MU_OUTBOUND_POSTQUEUE_INT    \
793                     |ARCMSR_MU_OUTBOUND_PCI_INT)
794/*
795*******************************************************************************
796**  Outbound Interrupt Mask Register - OIMR
797*******************************************************************************
798*/
799#define     ARCMSR_MU_OUTBOUND_INTERRUPT_MASK_REG                   0x34
800#define     ARCMSR_MU_OUTBOUND_PCI_INTMASKENABLE                    0x10
801#define     ARCMSR_MU_OUTBOUND_POSTQUEUE_INTMASKENABLE              0x08
802#define     ARCMSR_MU_OUTBOUND_DOORBELL_INTMASKENABLE               0x04
803#define     ARCMSR_MU_OUTBOUND_MESSAGE1_INTMASKENABLE               0x02
804#define     ARCMSR_MU_OUTBOUND_MESSAGE0_INTMASKENABLE               0x01
805#define     ARCMSR_MU_OUTBOUND_ALL_INTMASKENABLE                    0x1F
806
807extern void arcmsr_write_ioctldata2iop(struct AdapterControlBlock *);
808extern uint32_t arcmsr_Read_iop_rqbuffer_data(struct AdapterControlBlock *,
809	struct QBUFFER __iomem *);
810extern void arcmsr_clear_iop2drv_rqueue_buffer(struct AdapterControlBlock *);
811extern struct QBUFFER __iomem *arcmsr_get_iop_rqbuffer(struct AdapterControlBlock *);
812extern struct device_attribute *arcmsr_host_attrs[];
813extern int arcmsr_alloc_sysfs_attr(struct AdapterControlBlock *);
814void arcmsr_free_sysfs_attr(struct AdapterControlBlock *acb);
815