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1/*
2   3w-9xxx.h -- 3ware 9000 Storage Controller device driver for Linux.
3
4   Written By: Adam Radford <linuxraid@lsi.com>
5   Modifications By: Tom Couch <linuxraid@lsi.com>
6
7   Copyright (C) 2004-2009 Applied Micro Circuits Corporation.
8   Copyright (C) 2010 LSI Corporation.
9
10   This program is free software; you can redistribute it and/or modify
11   it under the terms of the GNU General Public License as published by
12   the Free Software Foundation; version 2 of the License.
13
14   This program is distributed in the hope that it will be useful,
15   but WITHOUT ANY WARRANTY; without even the implied warranty of
16   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17   GNU General Public License for more details.
18
19   NO WARRANTY
20   THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
21   CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
22   LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
23   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
24   solely responsible for determining the appropriateness of using and
25   distributing the Program and assumes all risks associated with its
26   exercise of rights under this Agreement, including but not limited to
27   the risks and costs of program errors, damage to or loss of data,
28   programs or equipment, and unavailability or interruption of operations.
29
30   DISCLAIMER OF LIABILITY
31   NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
32   DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
33   DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
34   ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
35   TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
36   USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
37   HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
38
39   You should have received a copy of the GNU General Public License
40   along with this program; if not, write to the Free Software
41   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
42
43   Bugs/Comments/Suggestions should be mailed to:
44   linuxraid@lsi.com
45
46   For more information, goto:
47   http://www.lsi.com
48*/
49
50#ifndef _3W_9XXX_H
51#define _3W_9XXX_H
52
53/* AEN string type */
54typedef struct TAG_twa_message_type {
55  unsigned int   code;
56  char*          text;
57} twa_message_type;
58
59/* AEN strings */
60static twa_message_type twa_aen_table[] = {
61	{0x0000, "AEN queue empty"},
62	{0x0001, "Controller reset occurred"},
63	{0x0002, "Degraded unit detected"},
64	{0x0003, "Controller error occured"},
65	{0x0004, "Background rebuild failed"},
66	{0x0005, "Background rebuild done"},
67	{0x0006, "Incomplete unit detected"},
68	{0x0007, "Background initialize done"},
69	{0x0008, "Unclean shutdown detected"},
70	{0x0009, "Drive timeout detected"},
71	{0x000A, "Drive error detected"},
72	{0x000B, "Rebuild started"},
73	{0x000C, "Background initialize started"},
74	{0x000D, "Entire logical unit was deleted"},
75	{0x000E, "Background initialize failed"},
76	{0x000F, "SMART attribute exceeded threshold"},
77	{0x0010, "Power supply reported AC under range"},
78	{0x0011, "Power supply reported DC out of range"},
79	{0x0012, "Power supply reported a malfunction"},
80	{0x0013, "Power supply predicted malfunction"},
81	{0x0014, "Battery charge is below threshold"},
82	{0x0015, "Fan speed is below threshold"},
83	{0x0016, "Temperature sensor is above threshold"},
84	{0x0017, "Power supply was removed"},
85	{0x0018, "Power supply was inserted"},
86	{0x0019, "Drive was removed from a bay"},
87	{0x001A, "Drive was inserted into a bay"},
88	{0x001B, "Drive bay cover door was opened"},
89	{0x001C, "Drive bay cover door was closed"},
90	{0x001D, "Product case was opened"},
91	{0x0020, "Prepare for shutdown (power-off)"},
92	{0x0021, "Downgrade UDMA mode to lower speed"},
93	{0x0022, "Upgrade UDMA mode to higher speed"},
94	{0x0023, "Sector repair completed"},
95	{0x0024, "Sbuf memory test failed"},
96	{0x0025, "Error flushing cached write data to array"},
97	{0x0026, "Drive reported data ECC error"},
98	{0x0027, "DCB has checksum error"},
99	{0x0028, "DCB version is unsupported"},
100	{0x0029, "Background verify started"},
101	{0x002A, "Background verify failed"},
102	{0x002B, "Background verify done"},
103	{0x002C, "Bad sector overwritten during rebuild"},
104	{0x002D, "Background rebuild error on source drive"},
105	{0x002E, "Replace failed because replacement drive too small"},
106	{0x002F, "Verify failed because array was never initialized"},
107	{0x0030, "Unsupported ATA drive"},
108	{0x0031, "Synchronize host/controller time"},
109	{0x0032, "Spare capacity is inadequate for some units"},
110	{0x0033, "Background migration started"},
111	{0x0034, "Background migration failed"},
112	{0x0035, "Background migration done"},
113	{0x0036, "Verify detected and fixed data/parity mismatch"},
114	{0x0037, "SO-DIMM incompatible"},
115	{0x0038, "SO-DIMM not detected"},
116	{0x0039, "Corrected Sbuf ECC error"},
117	{0x003A, "Drive power on reset detected"},
118	{0x003B, "Background rebuild paused"},
119	{0x003C, "Background initialize paused"},
120	{0x003D, "Background verify paused"},
121	{0x003E, "Background migration paused"},
122	{0x003F, "Corrupt flash file system detected"},
123	{0x0040, "Flash file system repaired"},
124	{0x0041, "Unit number assignments were lost"},
125	{0x0042, "Error during read of primary DCB"},
126	{0x0043, "Latent error found in backup DCB"},
127	{0x00FC, "Recovered/finished array membership update"},
128	{0x00FD, "Handler lockup"},
129	{0x00FE, "Retrying PCI transfer"},
130	{0x00FF, "AEN queue is full"},
131	{0xFFFFFFFF, (char*) 0}
132};
133
134/* AEN severity table */
135static char *twa_aen_severity_table[] =
136{
137	"None", "ERROR", "WARNING", "INFO", "DEBUG", (char*) 0
138};
139
140/* Error strings */
141static twa_message_type twa_error_table[] = {
142	{0x0100, "SGL entry contains zero data"},
143	{0x0101, "Invalid command opcode"},
144	{0x0102, "SGL entry has unaligned address"},
145	{0x0103, "SGL size does not match command"},
146	{0x0104, "SGL entry has illegal length"},
147	{0x0105, "Command packet is not aligned"},
148	{0x0106, "Invalid request ID"},
149	{0x0107, "Duplicate request ID"},
150	{0x0108, "ID not locked"},
151	{0x0109, "LBA out of range"},
152	{0x010A, "Logical unit not supported"},
153	{0x010B, "Parameter table does not exist"},
154	{0x010C, "Parameter index does not exist"},
155	{0x010D, "Invalid field in CDB"},
156	{0x010E, "Specified port has invalid drive"},
157	{0x010F, "Parameter item size mismatch"},
158	{0x0110, "Failed memory allocation"},
159	{0x0111, "Memory request too large"},
160	{0x0112, "Out of memory segments"},
161	{0x0113, "Invalid address to deallocate"},
162	{0x0114, "Out of memory"},
163	{0x0115, "Out of heap"},
164	{0x0120, "Double degrade"},
165	{0x0121, "Drive not degraded"},
166	{0x0122, "Reconstruct error"},
167	{0x0123, "Replace not accepted"},
168	{0x0124, "Replace drive capacity too small"},
169	{0x0125, "Sector count not allowed"},
170	{0x0126, "No spares left"},
171	{0x0127, "Reconstruct error"},
172	{0x0128, "Unit is offline"},
173	{0x0129, "Cannot update status to DCB"},
174	{0x0130, "Invalid stripe handle"},
175	{0x0131, "Handle that was not locked"},
176	{0x0132, "Handle that was not empty"},
177	{0x0133, "Handle has different owner"},
178	{0x0140, "IPR has parent"},
179	{0x0150, "Illegal Pbuf address alignment"},
180	{0x0151, "Illegal Pbuf transfer length"},
181	{0x0152, "Illegal Sbuf address alignment"},
182	{0x0153, "Illegal Sbuf transfer length"},
183	{0x0160, "Command packet too large"},
184	{0x0161, "SGL exceeds maximum length"},
185	{0x0162, "SGL has too many entries"},
186	{0x0170, "Insufficient resources for rebuilder"},
187	{0x0171, "Verify error (data != parity)"},
188	{0x0180, "Requested segment not in directory of this DCB"},
189	{0x0181, "DCB segment has unsupported version"},
190	{0x0182, "DCB segment has checksum error"},
191	{0x0183, "DCB support (settings) segment invalid"},
192	{0x0184, "DCB UDB (unit descriptor block) segment invalid"},
193	{0x0185, "DCB GUID (globally unique identifier) segment invalid"},
194	{0x01A0, "Could not clear Sbuf"},
195	{0x01C0, "Flash identify failed"},
196	{0x01C1, "Flash out of bounds"},
197	{0x01C2, "Flash verify error"},
198	{0x01C3, "Flash file object not found"},
199	{0x01C4, "Flash file already present"},
200	{0x01C5, "Flash file system full"},
201	{0x01C6, "Flash file not present"},
202	{0x01C7, "Flash file size error"},
203	{0x01C8, "Bad flash file checksum"},
204	{0x01CA, "Corrupt flash file system detected"},
205	{0x01D0, "Invalid field in parameter list"},
206	{0x01D1, "Parameter list length error"},
207	{0x01D2, "Parameter item is not changeable"},
208	{0x01D3, "Parameter item is not saveable"},
209	{0x0200, "UDMA CRC error"},
210	{0x0201, "Internal CRC error"},
211	{0x0202, "Data ECC error"},
212	{0x0203, "ADP level 1 error"},
213	{0x0204, "Port timeout"},
214	{0x0205, "Drive power on reset"},
215	{0x0206, "ADP level 2 error"},
216	{0x0207, "Soft reset failed"},
217	{0x0208, "Drive not ready"},
218	{0x0209, "Unclassified port error"},
219	{0x020A, "Drive aborted command"},
220	{0x0210, "Internal CRC error"},
221	{0x0211, "PCI abort error"},
222	{0x0212, "PCI parity error"},
223	{0x0213, "Port handler error"},
224	{0x0214, "Token interrupt count error"},
225	{0x0215, "Timeout waiting for PCI transfer"},
226	{0x0216, "Corrected buffer ECC"},
227	{0x0217, "Uncorrected buffer ECC"},
228	{0x0230, "Unsupported command during flash recovery"},
229	{0x0231, "Next image buffer expected"},
230	{0x0232, "Binary image architecture incompatible"},
231	{0x0233, "Binary image has no signature"},
232	{0x0234, "Binary image has bad checksum"},
233	{0x0235, "Image downloaded overflowed buffer"},
234	{0x0240, "I2C device not found"},
235	{0x0241, "I2C transaction aborted"},
236	{0x0242, "SO-DIMM parameter(s) incompatible using defaults"},
237	{0x0243, "SO-DIMM unsupported"},
238	{0x0248, "SPI transfer status error"},
239	{0x0249, "SPI transfer timeout error"},
240	{0x0250, "Invalid unit descriptor size in CreateUnit"},
241	{0x0251, "Unit descriptor size exceeds data buffer in CreateUnit"},
242	{0x0252, "Invalid value in CreateUnit descriptor"},
243	{0x0253, "Inadequate disk space to support descriptor in CreateUnit"},
244	{0x0254, "Unable to create data channel for this unit descriptor"},
245	{0x0255, "CreateUnit descriptor specifies a drive already in use"},
246	{0x0256, "Unable to write configuration to all disks during CreateUnit"},
247	{0x0257, "CreateUnit does not support this descriptor version"},
248	{0x0258, "Invalid subunit for RAID 0 or 5 in CreateUnit"},
249	{0x0259, "Too many descriptors in CreateUnit"},
250	{0x025A, "Invalid configuration specified in CreateUnit descriptor"},
251	{0x025B, "Invalid LBA offset specified in CreateUnit descriptor"},
252	{0x025C, "Invalid stripelet size specified in CreateUnit descriptor"},
253	{0x0260, "SMART attribute exceeded threshold"},
254	{0xFFFFFFFF, (char*) 0}
255};
256
257/* Control register bit definitions */
258#define TW_CONTROL_CLEAR_HOST_INTERRUPT	       0x00080000
259#define TW_CONTROL_CLEAR_ATTENTION_INTERRUPT   0x00040000
260#define TW_CONTROL_MASK_COMMAND_INTERRUPT      0x00020000
261#define TW_CONTROL_MASK_RESPONSE_INTERRUPT     0x00010000
262#define TW_CONTROL_UNMASK_COMMAND_INTERRUPT    0x00008000
263#define TW_CONTROL_UNMASK_RESPONSE_INTERRUPT   0x00004000
264#define TW_CONTROL_CLEAR_ERROR_STATUS	       0x00000200
265#define TW_CONTROL_ISSUE_SOFT_RESET	       0x00000100
266#define TW_CONTROL_ENABLE_INTERRUPTS	       0x00000080
267#define TW_CONTROL_DISABLE_INTERRUPTS	       0x00000040
268#define TW_CONTROL_ISSUE_HOST_INTERRUPT	       0x00000020
269#define TW_CONTROL_CLEAR_PARITY_ERROR          0x00800000
270#define TW_CONTROL_CLEAR_QUEUE_ERROR           0x00400000
271#define TW_CONTROL_CLEAR_PCI_ABORT             0x00100000
272
273/* Status register bit definitions */
274#define TW_STATUS_MAJOR_VERSION_MASK	       0xF0000000
275#define TW_STATUS_MINOR_VERSION_MASK	       0x0F000000
276#define TW_STATUS_PCI_PARITY_ERROR	       0x00800000
277#define TW_STATUS_QUEUE_ERROR		       0x00400000
278#define TW_STATUS_MICROCONTROLLER_ERROR	       0x00200000
279#define TW_STATUS_PCI_ABORT		       0x00100000
280#define TW_STATUS_HOST_INTERRUPT	       0x00080000
281#define TW_STATUS_ATTENTION_INTERRUPT	       0x00040000
282#define TW_STATUS_COMMAND_INTERRUPT	       0x00020000
283#define TW_STATUS_RESPONSE_INTERRUPT	       0x00010000
284#define TW_STATUS_COMMAND_QUEUE_FULL	       0x00008000
285#define TW_STATUS_RESPONSE_QUEUE_EMPTY	       0x00004000
286#define TW_STATUS_MICROCONTROLLER_READY	       0x00002000
287#define TW_STATUS_COMMAND_QUEUE_EMPTY	       0x00001000
288#define TW_STATUS_EXPECTED_BITS		       0x00002000
289#define TW_STATUS_UNEXPECTED_BITS	       0x00F00000
290#define TW_STATUS_VALID_INTERRUPT              0x00DF0000
291
292/* PCI related defines */
293#define TW_PCI_CLEAR_PARITY_ERRORS 0xc100
294#define TW_PCI_CLEAR_PCI_ABORT     0x2000
295
296/* Command packet opcodes used by the driver */
297#define TW_OP_INIT_CONNECTION 0x1
298#define TW_OP_GET_PARAM	      0x12
299#define TW_OP_SET_PARAM	      0x13
300#define TW_OP_EXECUTE_SCSI    0x10
301#define TW_OP_DOWNLOAD_FIRMWARE 0x16
302#define TW_OP_RESET             0x1C
303
304/* Asynchronous Event Notification (AEN) codes used by the driver */
305#define TW_AEN_QUEUE_EMPTY       0x0000
306#define TW_AEN_SOFT_RESET        0x0001
307#define TW_AEN_SYNC_TIME_WITH_HOST 0x031
308#define TW_AEN_SEVERITY_ERROR    0x1
309#define TW_AEN_SEVERITY_DEBUG    0x4
310#define TW_AEN_NOT_RETRIEVED 0x1
311#define TW_AEN_RETRIEVED 0x2
312
313/* Command state defines */
314#define TW_S_INITIAL   0x1  /* Initial state */
315#define TW_S_STARTED   0x2  /* Id in use */
316#define TW_S_POSTED    0x4  /* Posted to the controller */
317#define TW_S_PENDING   0x8  /* Waiting to be posted in isr */
318#define TW_S_COMPLETED 0x10 /* Completed by isr */
319#define TW_S_FINISHED  0x20 /* I/O completely done */
320
321/* Compatibility defines */
322#define TW_9000_ARCH_ID 0x5
323#define TW_CURRENT_DRIVER_SRL 35
324#define TW_CURRENT_DRIVER_BUILD 0
325#define TW_CURRENT_DRIVER_BRANCH 0
326
327/* Phase defines */
328#define TW_PHASE_INITIAL 0
329#define TW_PHASE_SINGLE  1
330#define TW_PHASE_SGLIST  2
331
332/* Misc defines */
333#define TW_9550SX_DRAIN_COMPLETED	      0xFFFF
334#define TW_SECTOR_SIZE                        512
335#define TW_ALIGNMENT_9000                     4  /* 4 bytes */
336#define TW_ALIGNMENT_9000_SGL                 0x3
337#define TW_MAX_UNITS			      16
338#define TW_MAX_UNITS_9650SE		      32
339#define TW_INIT_MESSAGE_CREDITS		      0x100
340#define TW_INIT_COMMAND_PACKET_SIZE	      0x3
341#define TW_INIT_COMMAND_PACKET_SIZE_EXTENDED  0x6
342#define TW_EXTENDED_INIT_CONNECT	      0x2
343#define TW_BUNDLED_FW_SAFE_TO_FLASH	      0x4
344#define TW_CTLR_FW_RECOMMENDS_FLASH	      0x8
345#define TW_CTLR_FW_COMPATIBLE		      0x2
346#define TW_BASE_FW_SRL			      24
347#define TW_BASE_FW_BRANCH		      0
348#define TW_BASE_FW_BUILD		      1
349#define TW_FW_SRL_LUNS_SUPPORTED              28
350#define TW_Q_LENGTH			      256
351#define TW_Q_START			      0
352#define TW_MAX_SLOT			      32
353#define TW_MAX_RESET_TRIES		      2
354#define TW_MAX_CMDS_PER_LUN		      254
355#define TW_MAX_RESPONSE_DRAIN		      256
356#define TW_MAX_AEN_DRAIN		      255
357#define TW_IN_RESET                           2
358#define TW_USING_MSI			      3
359#define TW_IN_ATTENTION_LOOP		      4
360#define TW_MAX_SECTORS                        256
361#define TW_AEN_WAIT_TIME                      1000
362#define TW_IOCTL_WAIT_TIME                    (1 * HZ) /* 1 second */
363#define TW_MAX_CDB_LEN                        16
364#define TW_ISR_DONT_COMPLETE                  2
365#define TW_ISR_DONT_RESULT                    3
366#define TW_IOCTL_CHRDEV_TIMEOUT               60 /* 60 seconds */
367#define TW_IOCTL_CHRDEV_FREE                  -1
368#define TW_COMMAND_OFFSET                     128 /* 128 bytes */
369#define TW_VERSION_TABLE                      0x0402
370#define TW_TIMEKEEP_TABLE		      0x040A
371#define TW_INFORMATION_TABLE		      0x0403
372#define TW_PARAM_FWVER			      3
373#define TW_PARAM_FWVER_LENGTH		      16
374#define TW_PARAM_BIOSVER		      4
375#define TW_PARAM_BIOSVER_LENGTH		      16
376#define TW_PARAM_PORTCOUNT		      3
377#define TW_PARAM_PORTCOUNT_LENGTH	      1
378#define TW_MIN_SGL_LENGTH                     0x200 /* 512 bytes */
379#define TW_MAX_SENSE_LENGTH                   256
380#define TW_EVENT_SOURCE_AEN                   0x1000
381#define TW_EVENT_SOURCE_COMMAND               0x1001
382#define TW_EVENT_SOURCE_PCHIP                 0x1002
383#define TW_EVENT_SOURCE_DRIVER                0x1003
384#define TW_IOCTL_GET_COMPATIBILITY_INFO	      0x101
385#define TW_IOCTL_GET_LAST_EVENT               0x102
386#define TW_IOCTL_GET_FIRST_EVENT              0x103
387#define TW_IOCTL_GET_NEXT_EVENT               0x104
388#define TW_IOCTL_GET_PREVIOUS_EVENT           0x105
389#define TW_IOCTL_GET_LOCK                     0x106
390#define TW_IOCTL_RELEASE_LOCK                 0x107
391#define TW_IOCTL_FIRMWARE_PASS_THROUGH        0x108
392#define TW_IOCTL_ERROR_STATUS_NOT_LOCKED      0x1001 // Not locked
393#define TW_IOCTL_ERROR_STATUS_LOCKED          0x1002 // Already locked
394#define TW_IOCTL_ERROR_STATUS_NO_MORE_EVENTS  0x1003 // No more events
395#define TW_IOCTL_ERROR_STATUS_AEN_CLOBBER     0x1004 // AEN clobber occurred
396#define TW_IOCTL_ERROR_OS_EFAULT	      -EFAULT // Bad address
397#define TW_IOCTL_ERROR_OS_EINTR		      -EINTR  // Interrupted system call
398#define TW_IOCTL_ERROR_OS_EINVAL	      -EINVAL // Invalid argument
399#define TW_IOCTL_ERROR_OS_ENOMEM	      -ENOMEM // Out of memory
400#define TW_IOCTL_ERROR_OS_ERESTARTSYS	      -ERESTARTSYS // Restart system call
401#define TW_IOCTL_ERROR_OS_EIO		      -EIO // I/O error
402#define TW_IOCTL_ERROR_OS_ENOTTY	      -ENOTTY // Not a typewriter
403#define TW_IOCTL_ERROR_OS_ENODEV	      -ENODEV // No such device
404#define TW_ALLOCATION_LENGTH		      128
405#define TW_SENSE_DATA_LENGTH		      18
406#define TW_STATUS_CHECK_CONDITION	      2
407#define TW_ERROR_LOGICAL_UNIT_NOT_SUPPORTED   0x10a
408#define TW_ERROR_UNIT_OFFLINE                 0x128
409#define TW_MESSAGE_SOURCE_CONTROLLER_ERROR    3
410#define TW_MESSAGE_SOURCE_CONTROLLER_EVENT    4
411#define TW_MESSAGE_SOURCE_LINUX_DRIVER        6
412#define TW_DRIVER TW_MESSAGE_SOURCE_LINUX_DRIVER
413#define TW_MESSAGE_SOURCE_LINUX_OS            9
414#define TW_OS TW_MESSAGE_SOURCE_LINUX_OS
415#ifndef PCI_DEVICE_ID_3WARE_9000
416#define PCI_DEVICE_ID_3WARE_9000 0x1002
417#endif
418#ifndef PCI_DEVICE_ID_3WARE_9550SX
419#define PCI_DEVICE_ID_3WARE_9550SX 0x1003
420#endif
421#ifndef PCI_DEVICE_ID_3WARE_9650SE
422#define PCI_DEVICE_ID_3WARE_9650SE 0x1004
423#endif
424#ifndef PCI_DEVICE_ID_3WARE_9690SA
425#define PCI_DEVICE_ID_3WARE_9690SA 0x1005
426#endif
427
428/* Bitmask macros to eliminate bitfields */
429
430/* opcode: 5, reserved: 3 */
431#define TW_OPRES_IN(x,y) ((x << 5) | (y & 0x1f))
432#define TW_OP_OUT(x) (x & 0x1f)
433
434/* opcode: 5, sgloffset: 3 */
435#define TW_OPSGL_IN(x,y) ((x << 5) | (y & 0x1f))
436#define TW_SGL_OUT(x) ((x >> 5) & 0x7)
437
438/* severity: 3, reserved: 5 */
439#define TW_SEV_OUT(x) (x & 0x7)
440
441/* reserved_1: 4, response_id: 8, reserved_2: 20 */
442#define TW_RESID_OUT(x) ((x >> 4) & 0xff)
443
444/* request_id: 12, lun: 4 */
445#define TW_REQ_LUN_IN(lun, request_id) (((lun << 12) & 0xf000) | (request_id & 0xfff))
446#define TW_LUN_OUT(lun) ((lun >> 12) & 0xf)
447
448/* Macros */
449#define TW_CONTROL_REG_ADDR(x) (x->base_addr)
450#define TW_STATUS_REG_ADDR(x) ((unsigned char __iomem *)x->base_addr + 0x4)
451#define TW_COMMAND_QUEUE_REG_ADDR(x) (sizeof(dma_addr_t) > 4 ? ((unsigned char __iomem *)x->base_addr + 0x20) : ((unsigned char __iomem *)x->base_addr + 0x8))
452#define TW_COMMAND_QUEUE_REG_ADDR_LARGE(x) ((unsigned char __iomem *)x->base_addr + 0x20)
453#define TW_RESPONSE_QUEUE_REG_ADDR(x) ((unsigned char __iomem *)x->base_addr + 0xC)
454#define TW_RESPONSE_QUEUE_REG_ADDR_LARGE(x) ((unsigned char __iomem *)x->base_addr + 0x30)
455#define TW_CLEAR_ALL_INTERRUPTS(x) (writel(TW_STATUS_VALID_INTERRUPT, TW_CONTROL_REG_ADDR(x)))
456#define TW_CLEAR_ATTENTION_INTERRUPT(x) (writel(TW_CONTROL_CLEAR_ATTENTION_INTERRUPT, TW_CONTROL_REG_ADDR(x)))
457#define TW_CLEAR_HOST_INTERRUPT(x) (writel(TW_CONTROL_CLEAR_HOST_INTERRUPT, TW_CONTROL_REG_ADDR(x)))
458#define TW_DISABLE_INTERRUPTS(x) (writel(TW_CONTROL_DISABLE_INTERRUPTS, TW_CONTROL_REG_ADDR(x)))
459#define TW_ENABLE_AND_CLEAR_INTERRUPTS(x) (writel(TW_CONTROL_CLEAR_ATTENTION_INTERRUPT | TW_CONTROL_UNMASK_RESPONSE_INTERRUPT | TW_CONTROL_ENABLE_INTERRUPTS, TW_CONTROL_REG_ADDR(x)))
460#define TW_MASK_COMMAND_INTERRUPT(x) (writel(TW_CONTROL_MASK_COMMAND_INTERRUPT, TW_CONTROL_REG_ADDR(x)))
461#define TW_UNMASK_COMMAND_INTERRUPT(x) (writel(TW_CONTROL_UNMASK_COMMAND_INTERRUPT, TW_CONTROL_REG_ADDR(x)))
462#define TW_SOFT_RESET(x) (writel(TW_CONTROL_ISSUE_SOFT_RESET | \
463			TW_CONTROL_CLEAR_HOST_INTERRUPT | \
464			TW_CONTROL_CLEAR_ATTENTION_INTERRUPT | \
465			TW_CONTROL_MASK_COMMAND_INTERRUPT | \
466			TW_CONTROL_MASK_RESPONSE_INTERRUPT | \
467			TW_CONTROL_CLEAR_ERROR_STATUS | \
468			TW_CONTROL_DISABLE_INTERRUPTS, TW_CONTROL_REG_ADDR(x)))
469#define TW_PRINTK(h,a,b,c) { \
470if (h) \
471printk(KERN_WARNING "3w-9xxx: scsi%d: ERROR: (0x%02X:0x%04X): %s.\n",h->host_no,a,b,c); \
472else \
473printk(KERN_WARNING "3w-9xxx: ERROR: (0x%02X:0x%04X): %s.\n",a,b,c); \
474}
475#define TW_MAX_LUNS(srl) (srl < TW_FW_SRL_LUNS_SUPPORTED ? 1 : 16)
476#define TW_COMMAND_SIZE (sizeof(dma_addr_t) > 4 ? 5 : 4)
477#define TW_APACHE_MAX_SGL_LENGTH (sizeof(dma_addr_t) > 4 ? 72 : 109)
478#define TW_ESCALADE_MAX_SGL_LENGTH (sizeof(dma_addr_t) > 4 ? 41 : 62)
479#define TW_PADDING_LENGTH (sizeof(dma_addr_t) > 4 ? 8 : 0)
480#define TW_CPU_TO_SGL(x) (sizeof(dma_addr_t) > 4 ? cpu_to_le64(x) : cpu_to_le32(x))
481
482#pragma pack(1)
483
484/* Scatter Gather List Entry */
485typedef struct TAG_TW_SG_Entry {
486	dma_addr_t address;
487	u32 length;
488} TW_SG_Entry;
489
490/* Command Packet */
491typedef struct TW_Command {
492	unsigned char opcode__sgloffset;
493	unsigned char size;
494	unsigned char request_id;
495	unsigned char unit__hostid;
496	/* Second DWORD */
497	unsigned char status;
498	unsigned char flags;
499	union {
500		unsigned short block_count;
501		unsigned short parameter_count;
502	} byte6_offset;
503	union {
504		struct {
505			u32 lba;
506			TW_SG_Entry sgl[TW_ESCALADE_MAX_SGL_LENGTH];
507			dma_addr_t padding;
508		} io;
509		struct {
510			TW_SG_Entry sgl[TW_ESCALADE_MAX_SGL_LENGTH];
511			u32 padding;
512			dma_addr_t padding2;
513		} param;
514	} byte8_offset;
515} TW_Command;
516
517/* Command Packet for 9000+ controllers */
518typedef struct TAG_TW_Command_Apache {
519	unsigned char opcode__reserved;
520	unsigned char unit;
521	unsigned short request_id__lunl;
522	unsigned char status;
523	unsigned char sgl_offset;
524	unsigned short sgl_entries__lunh;
525	unsigned char cdb[16];
526	TW_SG_Entry sg_list[TW_APACHE_MAX_SGL_LENGTH];
527	unsigned char padding[TW_PADDING_LENGTH];
528} TW_Command_Apache;
529
530/* New command packet header */
531typedef struct TAG_TW_Command_Apache_Header {
532	unsigned char sense_data[TW_SENSE_DATA_LENGTH];
533	struct {
534		char reserved[4];
535		unsigned short error;
536		unsigned char padding;
537		unsigned char severity__reserved;
538	} status_block;
539	unsigned char err_specific_desc[98];
540	struct {
541		unsigned char size_header;
542		unsigned short reserved;
543		unsigned char size_sense;
544	} header_desc;
545} TW_Command_Apache_Header;
546
547/* This struct is a union of the 2 command packets */
548typedef struct TAG_TW_Command_Full {
549	TW_Command_Apache_Header header;
550	union {
551		TW_Command oldcommand;
552		TW_Command_Apache newcommand;
553	} command;
554} TW_Command_Full;
555
556/* Initconnection structure */
557typedef struct TAG_TW_Initconnect {
558	unsigned char opcode__reserved;
559	unsigned char size;
560	unsigned char request_id;
561	unsigned char res2;
562	unsigned char status;
563	unsigned char flags;
564	unsigned short message_credits;
565	u32 features;
566	unsigned short fw_srl;
567	unsigned short fw_arch_id;
568	unsigned short fw_branch;
569	unsigned short fw_build;
570	u32 result;
571} TW_Initconnect;
572
573/* Event info structure */
574typedef struct TAG_TW_Event
575{
576	unsigned int sequence_id;
577	unsigned int time_stamp_sec;
578	unsigned short aen_code;
579	unsigned char severity;
580	unsigned char retrieved;
581	unsigned char repeat_count;
582	unsigned char parameter_len;
583	unsigned char parameter_data[98];
584} TW_Event;
585
586typedef struct TAG_TW_Ioctl_Driver_Command {
587	unsigned int control_code;
588	unsigned int status;
589	unsigned int unique_id;
590	unsigned int sequence_id;
591	unsigned int os_specific;
592	unsigned int buffer_length;
593} TW_Ioctl_Driver_Command;
594
595typedef struct TAG_TW_Ioctl_Apache {
596	TW_Ioctl_Driver_Command driver_command;
597        char padding[488];
598	TW_Command_Full firmware_command;
599	char data_buffer[1];
600} TW_Ioctl_Buf_Apache;
601
602/* Lock structure for ioctl get/release lock */
603typedef struct TAG_TW_Lock {
604	unsigned long timeout_msec;
605	unsigned long time_remaining_msec;
606	unsigned long force_flag;
607} TW_Lock;
608
609/* GetParam descriptor */
610typedef struct {
611	unsigned short	table_id;
612	unsigned short	parameter_id;
613	unsigned short	parameter_size_bytes;
614	unsigned short  actual_parameter_size_bytes;
615	unsigned char	data[1];
616} TW_Param_Apache, *PTW_Param_Apache;
617
618/* Response queue */
619typedef union TAG_TW_Response_Queue {
620	u32 response_id;
621	u32 value;
622} TW_Response_Queue;
623
624/* Compatibility information structure */
625typedef struct TAG_TW_Compatibility_Info
626{
627	char driver_version[32];
628	unsigned short working_srl;
629	unsigned short working_branch;
630	unsigned short working_build;
631	unsigned short driver_srl_high;
632	unsigned short driver_branch_high;
633	unsigned short driver_build_high;
634	unsigned short driver_srl_low;
635	unsigned short driver_branch_low;
636	unsigned short driver_build_low;
637	unsigned short fw_on_ctlr_srl;
638	unsigned short fw_on_ctlr_branch;
639	unsigned short fw_on_ctlr_build;
640} TW_Compatibility_Info;
641
642#pragma pack()
643
644typedef struct TAG_TW_Device_Extension {
645	u32                     __iomem *base_addr;
646	unsigned long	       	*generic_buffer_virt[TW_Q_LENGTH];
647	dma_addr_t	       	generic_buffer_phys[TW_Q_LENGTH];
648	TW_Command_Full	       	*command_packet_virt[TW_Q_LENGTH];
649	dma_addr_t		command_packet_phys[TW_Q_LENGTH];
650	struct pci_dev		*tw_pci_dev;
651	struct scsi_cmnd	*srb[TW_Q_LENGTH];
652	unsigned char		free_queue[TW_Q_LENGTH];
653	unsigned char		free_head;
654	unsigned char		free_tail;
655	unsigned char		pending_queue[TW_Q_LENGTH];
656	unsigned char		pending_head;
657	unsigned char		pending_tail;
658	int     		state[TW_Q_LENGTH];
659	unsigned int		posted_request_count;
660	unsigned int		max_posted_request_count;
661	unsigned int	        pending_request_count;
662	unsigned int		max_pending_request_count;
663	unsigned int		max_sgl_entries;
664	unsigned int		sgl_entries;
665	unsigned int		num_resets;
666	unsigned int		sector_count;
667	unsigned int		max_sector_count;
668	unsigned int		aen_count;
669	struct Scsi_Host	*host;
670	long			flags;
671	int			reset_print;
672	TW_Event                *event_queue[TW_Q_LENGTH];
673	unsigned char           error_index;
674	unsigned char		event_queue_wrapped;
675	unsigned int            error_sequence_id;
676	int                     ioctl_sem_lock;
677	u32                     ioctl_msec;
678	int			chrdev_request_id;
679	wait_queue_head_t	ioctl_wqueue;
680	struct mutex		ioctl_lock;
681	char			aen_clobber;
682	TW_Compatibility_Info	tw_compat_info;
683} TW_Device_Extension;
684
685#endif /* _3W_9XXX_H */
686