1 /*
2    3w-9xxx.h -- 3ware 9000 Storage Controller device driver for Linux.
3 
4    Written By: Adam Radford <aradford@gmail.com>
5    Modifications By: Tom Couch
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    aradford@gmail.com
45 */
46 
47 #ifndef _3W_9XXX_H
48 #define _3W_9XXX_H
49 
50 /* AEN string type */
51 typedef struct TAG_twa_message_type {
52 	unsigned int   code;
53 	char           *text;
54 } twa_message_type;
55 
56 /* AEN strings */
57 static twa_message_type twa_aen_table[] = {
58 	{0x0000, "AEN queue empty"},
59 	{0x0001, "Controller reset occurred"},
60 	{0x0002, "Degraded unit detected"},
61 	{0x0003, "Controller error occurred"},
62 	{0x0004, "Background rebuild failed"},
63 	{0x0005, "Background rebuild done"},
64 	{0x0006, "Incomplete unit detected"},
65 	{0x0007, "Background initialize done"},
66 	{0x0008, "Unclean shutdown detected"},
67 	{0x0009, "Drive timeout detected"},
68 	{0x000A, "Drive error detected"},
69 	{0x000B, "Rebuild started"},
70 	{0x000C, "Background initialize started"},
71 	{0x000D, "Entire logical unit was deleted"},
72 	{0x000E, "Background initialize failed"},
73 	{0x000F, "SMART attribute exceeded threshold"},
74 	{0x0010, "Power supply reported AC under range"},
75 	{0x0011, "Power supply reported DC out of range"},
76 	{0x0012, "Power supply reported a malfunction"},
77 	{0x0013, "Power supply predicted malfunction"},
78 	{0x0014, "Battery charge is below threshold"},
79 	{0x0015, "Fan speed is below threshold"},
80 	{0x0016, "Temperature sensor is above threshold"},
81 	{0x0017, "Power supply was removed"},
82 	{0x0018, "Power supply was inserted"},
83 	{0x0019, "Drive was removed from a bay"},
84 	{0x001A, "Drive was inserted into a bay"},
85 	{0x001B, "Drive bay cover door was opened"},
86 	{0x001C, "Drive bay cover door was closed"},
87 	{0x001D, "Product case was opened"},
88 	{0x0020, "Prepare for shutdown (power-off)"},
89 	{0x0021, "Downgrade UDMA mode to lower speed"},
90 	{0x0022, "Upgrade UDMA mode to higher speed"},
91 	{0x0023, "Sector repair completed"},
92 	{0x0024, "Sbuf memory test failed"},
93 	{0x0025, "Error flushing cached write data to array"},
94 	{0x0026, "Drive reported data ECC error"},
95 	{0x0027, "DCB has checksum error"},
96 	{0x0028, "DCB version is unsupported"},
97 	{0x0029, "Background verify started"},
98 	{0x002A, "Background verify failed"},
99 	{0x002B, "Background verify done"},
100 	{0x002C, "Bad sector overwritten during rebuild"},
101 	{0x002D, "Background rebuild error on source drive"},
102 	{0x002E, "Replace failed because replacement drive too small"},
103 	{0x002F, "Verify failed because array was never initialized"},
104 	{0x0030, "Unsupported ATA drive"},
105 	{0x0031, "Synchronize host/controller time"},
106 	{0x0032, "Spare capacity is inadequate for some units"},
107 	{0x0033, "Background migration started"},
108 	{0x0034, "Background migration failed"},
109 	{0x0035, "Background migration done"},
110 	{0x0036, "Verify detected and fixed data/parity mismatch"},
111 	{0x0037, "SO-DIMM incompatible"},
112 	{0x0038, "SO-DIMM not detected"},
113 	{0x0039, "Corrected Sbuf ECC error"},
114 	{0x003A, "Drive power on reset detected"},
115 	{0x003B, "Background rebuild paused"},
116 	{0x003C, "Background initialize paused"},
117 	{0x003D, "Background verify paused"},
118 	{0x003E, "Background migration paused"},
119 	{0x003F, "Corrupt flash file system detected"},
120 	{0x0040, "Flash file system repaired"},
121 	{0x0041, "Unit number assignments were lost"},
122 	{0x0042, "Error during read of primary DCB"},
123 	{0x0043, "Latent error found in backup DCB"},
124 	{0x00FC, "Recovered/finished array membership update"},
125 	{0x00FD, "Handler lockup"},
126 	{0x00FE, "Retrying PCI transfer"},
127 	{0x00FF, "AEN queue is full"},
128 	{0xFFFFFFFF, (char*) 0}
129 };
130 
131 /* AEN severity table */
132 static char *twa_aen_severity_table[] =
133 {
134 	"None", "ERROR", "WARNING", "INFO", "DEBUG", (char*) 0
135 };
136 
137 /* Error strings */
138 static twa_message_type twa_error_table[] = {
139 	{0x0100, "SGL entry contains zero data"},
140 	{0x0101, "Invalid command opcode"},
141 	{0x0102, "SGL entry has unaligned address"},
142 	{0x0103, "SGL size does not match command"},
143 	{0x0104, "SGL entry has illegal length"},
144 	{0x0105, "Command packet is not aligned"},
145 	{0x0106, "Invalid request ID"},
146 	{0x0107, "Duplicate request ID"},
147 	{0x0108, "ID not locked"},
148 	{0x0109, "LBA out of range"},
149 	{0x010A, "Logical unit not supported"},
150 	{0x010B, "Parameter table does not exist"},
151 	{0x010C, "Parameter index does not exist"},
152 	{0x010D, "Invalid field in CDB"},
153 	{0x010E, "Specified port has invalid drive"},
154 	{0x010F, "Parameter item size mismatch"},
155 	{0x0110, "Failed memory allocation"},
156 	{0x0111, "Memory request too large"},
157 	{0x0112, "Out of memory segments"},
158 	{0x0113, "Invalid address to deallocate"},
159 	{0x0114, "Out of memory"},
160 	{0x0115, "Out of heap"},
161 	{0x0120, "Double degrade"},
162 	{0x0121, "Drive not degraded"},
163 	{0x0122, "Reconstruct error"},
164 	{0x0123, "Replace not accepted"},
165 	{0x0124, "Replace drive capacity too small"},
166 	{0x0125, "Sector count not allowed"},
167 	{0x0126, "No spares left"},
168 	{0x0127, "Reconstruct error"},
169 	{0x0128, "Unit is offline"},
170 	{0x0129, "Cannot update status to DCB"},
171 	{0x0130, "Invalid stripe handle"},
172 	{0x0131, "Handle that was not locked"},
173 	{0x0132, "Handle that was not empty"},
174 	{0x0133, "Handle has different owner"},
175 	{0x0140, "IPR has parent"},
176 	{0x0150, "Illegal Pbuf address alignment"},
177 	{0x0151, "Illegal Pbuf transfer length"},
178 	{0x0152, "Illegal Sbuf address alignment"},
179 	{0x0153, "Illegal Sbuf transfer length"},
180 	{0x0160, "Command packet too large"},
181 	{0x0161, "SGL exceeds maximum length"},
182 	{0x0162, "SGL has too many entries"},
183 	{0x0170, "Insufficient resources for rebuilder"},
184 	{0x0171, "Verify error (data != parity)"},
185 	{0x0180, "Requested segment not in directory of this DCB"},
186 	{0x0181, "DCB segment has unsupported version"},
187 	{0x0182, "DCB segment has checksum error"},
188 	{0x0183, "DCB support (settings) segment invalid"},
189 	{0x0184, "DCB UDB (unit descriptor block) segment invalid"},
190 	{0x0185, "DCB GUID (globally unique identifier) segment invalid"},
191 	{0x01A0, "Could not clear Sbuf"},
192 	{0x01C0, "Flash identify failed"},
193 	{0x01C1, "Flash out of bounds"},
194 	{0x01C2, "Flash verify error"},
195 	{0x01C3, "Flash file object not found"},
196 	{0x01C4, "Flash file already present"},
197 	{0x01C5, "Flash file system full"},
198 	{0x01C6, "Flash file not present"},
199 	{0x01C7, "Flash file size error"},
200 	{0x01C8, "Bad flash file checksum"},
201 	{0x01CA, "Corrupt flash file system detected"},
202 	{0x01D0, "Invalid field in parameter list"},
203 	{0x01D1, "Parameter list length error"},
204 	{0x01D2, "Parameter item is not changeable"},
205 	{0x01D3, "Parameter item is not saveable"},
206 	{0x0200, "UDMA CRC error"},
207 	{0x0201, "Internal CRC error"},
208 	{0x0202, "Data ECC error"},
209 	{0x0203, "ADP level 1 error"},
210 	{0x0204, "Port timeout"},
211 	{0x0205, "Drive power on reset"},
212 	{0x0206, "ADP level 2 error"},
213 	{0x0207, "Soft reset failed"},
214 	{0x0208, "Drive not ready"},
215 	{0x0209, "Unclassified port error"},
216 	{0x020A, "Drive aborted command"},
217 	{0x0210, "Internal CRC error"},
218 	{0x0211, "PCI abort error"},
219 	{0x0212, "PCI parity error"},
220 	{0x0213, "Port handler error"},
221 	{0x0214, "Token interrupt count error"},
222 	{0x0215, "Timeout waiting for PCI transfer"},
223 	{0x0216, "Corrected buffer ECC"},
224 	{0x0217, "Uncorrected buffer ECC"},
225 	{0x0230, "Unsupported command during flash recovery"},
226 	{0x0231, "Next image buffer expected"},
227 	{0x0232, "Binary image architecture incompatible"},
228 	{0x0233, "Binary image has no signature"},
229 	{0x0234, "Binary image has bad checksum"},
230 	{0x0235, "Image downloaded overflowed buffer"},
231 	{0x0240, "I2C device not found"},
232 	{0x0241, "I2C transaction aborted"},
233 	{0x0242, "SO-DIMM parameter(s) incompatible using defaults"},
234 	{0x0243, "SO-DIMM unsupported"},
235 	{0x0248, "SPI transfer status error"},
236 	{0x0249, "SPI transfer timeout error"},
237 	{0x0250, "Invalid unit descriptor size in CreateUnit"},
238 	{0x0251, "Unit descriptor size exceeds data buffer in CreateUnit"},
239 	{0x0252, "Invalid value in CreateUnit descriptor"},
240 	{0x0253, "Inadequate disk space to support descriptor in CreateUnit"},
241 	{0x0254, "Unable to create data channel for this unit descriptor"},
242 	{0x0255, "CreateUnit descriptor specifies a drive already in use"},
243 	{0x0256, "Unable to write configuration to all disks during CreateUnit"},
244 	{0x0257, "CreateUnit does not support this descriptor version"},
245 	{0x0258, "Invalid subunit for RAID 0 or 5 in CreateUnit"},
246 	{0x0259, "Too many descriptors in CreateUnit"},
247 	{0x025A, "Invalid configuration specified in CreateUnit descriptor"},
248 	{0x025B, "Invalid LBA offset specified in CreateUnit descriptor"},
249 	{0x025C, "Invalid stripelet size specified in CreateUnit descriptor"},
250 	{0x0260, "SMART attribute exceeded threshold"},
251 	{0xFFFFFFFF, (char*) 0}
252 };
253 
254 /* Control register bit definitions */
255 #define TW_CONTROL_CLEAR_HOST_INTERRUPT	       0x00080000
256 #define TW_CONTROL_CLEAR_ATTENTION_INTERRUPT   0x00040000
257 #define TW_CONTROL_MASK_COMMAND_INTERRUPT      0x00020000
258 #define TW_CONTROL_MASK_RESPONSE_INTERRUPT     0x00010000
259 #define TW_CONTROL_UNMASK_COMMAND_INTERRUPT    0x00008000
260 #define TW_CONTROL_UNMASK_RESPONSE_INTERRUPT   0x00004000
261 #define TW_CONTROL_CLEAR_ERROR_STATUS	       0x00000200
262 #define TW_CONTROL_ISSUE_SOFT_RESET	       0x00000100
263 #define TW_CONTROL_ENABLE_INTERRUPTS	       0x00000080
264 #define TW_CONTROL_DISABLE_INTERRUPTS	       0x00000040
265 #define TW_CONTROL_ISSUE_HOST_INTERRUPT	       0x00000020
266 #define TW_CONTROL_CLEAR_PARITY_ERROR	       0x00800000
267 #define TW_CONTROL_CLEAR_QUEUE_ERROR	       0x00400000
268 #define TW_CONTROL_CLEAR_PCI_ABORT	       0x00100000
269 
270 /* Status register bit definitions */
271 #define TW_STATUS_MAJOR_VERSION_MASK	       0xF0000000
272 #define TW_STATUS_MINOR_VERSION_MASK	       0x0F000000
273 #define TW_STATUS_PCI_PARITY_ERROR	       0x00800000
274 #define TW_STATUS_QUEUE_ERROR		       0x00400000
275 #define TW_STATUS_MICROCONTROLLER_ERROR	       0x00200000
276 #define TW_STATUS_PCI_ABORT		       0x00100000
277 #define TW_STATUS_HOST_INTERRUPT	       0x00080000
278 #define TW_STATUS_ATTENTION_INTERRUPT	       0x00040000
279 #define TW_STATUS_COMMAND_INTERRUPT	       0x00020000
280 #define TW_STATUS_RESPONSE_INTERRUPT	       0x00010000
281 #define TW_STATUS_COMMAND_QUEUE_FULL	       0x00008000
282 #define TW_STATUS_RESPONSE_QUEUE_EMPTY	       0x00004000
283 #define TW_STATUS_MICROCONTROLLER_READY	       0x00002000
284 #define TW_STATUS_COMMAND_QUEUE_EMPTY	       0x00001000
285 #define TW_STATUS_EXPECTED_BITS		       0x00002000
286 #define TW_STATUS_UNEXPECTED_BITS	       0x00F00000
287 #define TW_STATUS_VALID_INTERRUPT	       0x00DF0000
288 
289 /* PCI related defines */
290 #define TW_PCI_CLEAR_PARITY_ERRORS 0xc100
291 #define TW_PCI_CLEAR_PCI_ABORT     0x2000
292 
293 /* Command packet opcodes used by the driver */
294 #define TW_OP_INIT_CONNECTION	0x1
295 #define TW_OP_GET_PARAM		0x12
296 #define TW_OP_SET_PARAM		0x13
297 #define TW_OP_EXECUTE_SCSI	0x10
298 #define TW_OP_DOWNLOAD_FIRMWARE 0x16
299 #define TW_OP_RESET		0x1C
300 
301 /* Asynchronous Event Notification (AEN) codes used by the driver */
302 #define TW_AEN_QUEUE_EMPTY	0x0000
303 #define TW_AEN_SOFT_RESET	0x0001
304 #define TW_AEN_SYNC_TIME_WITH_HOST 0x031
305 #define TW_AEN_SEVERITY_ERROR	0x1
306 #define TW_AEN_SEVERITY_DEBUG    0x4
307 #define TW_AEN_NOT_RETRIEVED 0x1
308 #define TW_AEN_RETRIEVED 0x2
309 
310 /* Command state defines */
311 #define TW_S_INITIAL   0x1  /* Initial state */
312 #define TW_S_STARTED   0x2  /* Id in use */
313 #define TW_S_POSTED    0x4  /* Posted to the controller */
314 #define TW_S_PENDING   0x8  /* Waiting to be posted in isr */
315 #define TW_S_COMPLETED 0x10 /* Completed by isr */
316 #define TW_S_FINISHED  0x20 /* I/O completely done */
317 
318 /* Compatibility defines */
319 #define TW_9000_ARCH_ID 0x5
320 #define TW_CURRENT_DRIVER_SRL 35
321 #define TW_CURRENT_DRIVER_BUILD 0
322 #define TW_CURRENT_DRIVER_BRANCH 0
323 
324 /* Misc defines */
325 #define TW_9550SX_DRAIN_COMPLETED	      0xFFFF
326 #define TW_SECTOR_SIZE			      512
327 #define TW_ALIGNMENT_9000		      4  /* 4 bytes */
328 #define TW_ALIGNMENT_9000_SGL		      0x3
329 #define TW_MAX_UNITS			      16
330 #define TW_MAX_UNITS_9650SE		      32
331 #define TW_INIT_MESSAGE_CREDITS		      0x100
332 #define TW_INIT_COMMAND_PACKET_SIZE	      0x3
333 #define TW_INIT_COMMAND_PACKET_SIZE_EXTENDED  0x6
334 #define TW_EXTENDED_INIT_CONNECT	      0x2
335 #define TW_BUNDLED_FW_SAFE_TO_FLASH	      0x4
336 #define TW_CTLR_FW_RECOMMENDS_FLASH	      0x8
337 #define TW_CTLR_FW_COMPATIBLE		      0x2
338 #define TW_BASE_FW_SRL			      24
339 #define TW_BASE_FW_BRANCH		      0
340 #define TW_BASE_FW_BUILD		      1
341 #define TW_FW_SRL_LUNS_SUPPORTED	      28
342 #define TW_Q_LENGTH			      256
343 #define TW_Q_START			      0
344 #define TW_MAX_SLOT			      32
345 #define TW_MAX_RESET_TRIES		      2
346 #define TW_MAX_CMDS_PER_LUN		      254
347 #define TW_MAX_RESPONSE_DRAIN		      256
348 #define TW_MAX_AEN_DRAIN		      255
349 #define TW_IN_RESET			      2
350 #define TW_USING_MSI			      3
351 #define TW_IN_ATTENTION_LOOP		      4
352 #define TW_MAX_SECTORS			      256
353 #define TW_AEN_WAIT_TIME		      1000
354 #define TW_IOCTL_WAIT_TIME		      (1 * HZ) /* 1 second */
355 #define TW_MAX_CDB_LEN			      16
356 #define TW_ISR_DONT_COMPLETE		      2
357 #define TW_ISR_DONT_RESULT		      3
358 #define TW_IOCTL_CHRDEV_TIMEOUT		      60 /* 60 seconds */
359 #define TW_IOCTL_CHRDEV_FREE		      -1
360 #define TW_COMMAND_OFFSET		      128 /* 128 bytes */
361 #define TW_VERSION_TABLE		      0x0402
362 #define TW_TIMEKEEP_TABLE		      0x040A
363 #define TW_INFORMATION_TABLE		      0x0403
364 #define TW_PARAM_FWVER			      3
365 #define TW_PARAM_FWVER_LENGTH		      16
366 #define TW_PARAM_BIOSVER		      4
367 #define TW_PARAM_BIOSVER_LENGTH		      16
368 #define TW_PARAM_PORTCOUNT		      3
369 #define TW_PARAM_PORTCOUNT_LENGTH	      1
370 #define TW_MIN_SGL_LENGTH		      0x200 /* 512 bytes */
371 #define TW_MAX_SENSE_LENGTH		      256
372 #define TW_EVENT_SOURCE_AEN		      0x1000
373 #define TW_EVENT_SOURCE_COMMAND		      0x1001
374 #define TW_EVENT_SOURCE_PCHIP		      0x1002
375 #define TW_EVENT_SOURCE_DRIVER		      0x1003
376 #define TW_IOCTL_GET_COMPATIBILITY_INFO	      0x101
377 #define TW_IOCTL_GET_LAST_EVENT		      0x102
378 #define TW_IOCTL_GET_FIRST_EVENT	      0x103
379 #define TW_IOCTL_GET_NEXT_EVENT		      0x104
380 #define TW_IOCTL_GET_PREVIOUS_EVENT	      0x105
381 #define TW_IOCTL_GET_LOCK		      0x106
382 #define TW_IOCTL_RELEASE_LOCK		      0x107
383 #define TW_IOCTL_FIRMWARE_PASS_THROUGH	      0x108
384 #define TW_IOCTL_ERROR_STATUS_NOT_LOCKED      0x1001 // Not locked
385 #define TW_IOCTL_ERROR_STATUS_LOCKED	      0x1002 // Already locked
386 #define TW_IOCTL_ERROR_STATUS_NO_MORE_EVENTS  0x1003 // No more events
387 #define TW_IOCTL_ERROR_STATUS_AEN_CLOBBER     0x1004 // AEN clobber occurred
388 #define TW_IOCTL_ERROR_OS_EFAULT	      -EFAULT // Bad address
389 #define TW_IOCTL_ERROR_OS_EINTR		      -EINTR  // Interrupted system call
390 #define TW_IOCTL_ERROR_OS_EINVAL	      -EINVAL // Invalid argument
391 #define TW_IOCTL_ERROR_OS_ENOMEM	      -ENOMEM // Out of memory
392 #define TW_IOCTL_ERROR_OS_ERESTARTSYS	      -ERESTARTSYS // Restart system call
393 #define TW_IOCTL_ERROR_OS_EIO		      -EIO // I/O error
394 #define TW_IOCTL_ERROR_OS_ENOTTY	      -ENOTTY // Not a typewriter
395 #define TW_IOCTL_ERROR_OS_ENODEV	      -ENODEV // No such device
396 #define TW_ALLOCATION_LENGTH		      128
397 #define TW_SENSE_DATA_LENGTH		      18
398 #define TW_STATUS_CHECK_CONDITION	      2
399 #define TW_ERROR_LOGICAL_UNIT_NOT_SUPPORTED   0x10a
400 #define TW_ERROR_UNIT_OFFLINE		      0x128
401 #define TW_MESSAGE_SOURCE_CONTROLLER_ERROR    3
402 #define TW_MESSAGE_SOURCE_CONTROLLER_EVENT    4
403 #define TW_MESSAGE_SOURCE_LINUX_DRIVER	      6
404 #define TW_DRIVER TW_MESSAGE_SOURCE_LINUX_DRIVER
405 #define TW_MESSAGE_SOURCE_LINUX_OS	      9
406 #define TW_OS TW_MESSAGE_SOURCE_LINUX_OS
407 #ifndef PCI_DEVICE_ID_3WARE_9000
408 #define PCI_DEVICE_ID_3WARE_9000 0x1002
409 #endif
410 #ifndef PCI_DEVICE_ID_3WARE_9550SX
411 #define PCI_DEVICE_ID_3WARE_9550SX 0x1003
412 #endif
413 #ifndef PCI_DEVICE_ID_3WARE_9650SE
414 #define PCI_DEVICE_ID_3WARE_9650SE 0x1004
415 #endif
416 #ifndef PCI_DEVICE_ID_3WARE_9690SA
417 #define PCI_DEVICE_ID_3WARE_9690SA 0x1005
418 #endif
419 
420 /* Bitmask macros to eliminate bitfields */
421 
422 /* opcode: 5, reserved: 3 */
423 #define TW_OPRES_IN(x,y) ((x << 5) | (y & 0x1f))
424 #define TW_OP_OUT(x) (x & 0x1f)
425 
426 /* opcode: 5, sgloffset: 3 */
427 #define TW_OPSGL_IN(x,y) ((x << 5) | (y & 0x1f))
428 #define TW_SGL_OUT(x) ((x >> 5) & 0x7)
429 
430 /* severity: 3, reserved: 5 */
431 #define TW_SEV_OUT(x) (x & 0x7)
432 
433 /* reserved_1: 4, response_id: 8, reserved_2: 20 */
434 #define TW_RESID_OUT(x) ((x >> 4) & 0xff)
435 
436 /* request_id: 12, lun: 4 */
437 #define TW_REQ_LUN_IN(lun, request_id)			\
438 	cpu_to_le16(((lun << 12) & 0xf000) | (request_id & 0xfff))
439 #define TW_LUN_OUT(lun) ((le16_to_cpu(lun) >> 12) & 0xf)
440 
441 /* Macros */
442 #define TW_CONTROL_REG_ADDR(x) (x->base_addr)
443 #define TW_STATUS_REG_ADDR(x) ((unsigned char __iomem *)x->base_addr + 0x4)
444 #define TW_COMMAND_QUEUE_REG_ADDR(x) \
445 	(sizeof(dma_addr_t) > 4 ? ((unsigned char __iomem *)x->base_addr + 0x20) : ((unsigned char __iomem *)x->base_addr + 0x8))
446 #define TW_COMMAND_QUEUE_REG_ADDR_LARGE(x) \
447 	((unsigned char __iomem *)x->base_addr + 0x20)
448 #define TW_RESPONSE_QUEUE_REG_ADDR(x) \
449 	((unsigned char __iomem *)x->base_addr + 0xC)
450 #define TW_RESPONSE_QUEUE_REG_ADDR_LARGE(x) \
451 	((unsigned char __iomem *)x->base_addr + 0x30)
452 #define TW_CLEAR_ALL_INTERRUPTS(x) \
453 	(writel(TW_STATUS_VALID_INTERRUPT, TW_CONTROL_REG_ADDR(x)))
454 #define TW_CLEAR_ATTENTION_INTERRUPT(x) \
455 	(writel(TW_CONTROL_CLEAR_ATTENTION_INTERRUPT, TW_CONTROL_REG_ADDR(x)))
456 #define TW_CLEAR_HOST_INTERRUPT(x) \
457 	(writel(TW_CONTROL_CLEAR_HOST_INTERRUPT, TW_CONTROL_REG_ADDR(x)))
458 #define TW_DISABLE_INTERRUPTS(x) \
459 	(writel(TW_CONTROL_DISABLE_INTERRUPTS, TW_CONTROL_REG_ADDR(x)))
460 #define TW_ENABLE_AND_CLEAR_INTERRUPTS(x)				\
461 	(writel(TW_CONTROL_CLEAR_ATTENTION_INTERRUPT |			\
462 		TW_CONTROL_UNMASK_RESPONSE_INTERRUPT |			\
463 		TW_CONTROL_ENABLE_INTERRUPTS, TW_CONTROL_REG_ADDR(x)))
464 #define TW_MASK_COMMAND_INTERRUPT(x)					\
465 	(writel(TW_CONTROL_MASK_COMMAND_INTERRUPT, TW_CONTROL_REG_ADDR(x)))
466 #define TW_UNMASK_COMMAND_INTERRUPT(x)					\
467 	(writel(TW_CONTROL_UNMASK_COMMAND_INTERRUPT, TW_CONTROL_REG_ADDR(x)))
468 #define TW_SOFT_RESET(x) (writel(TW_CONTROL_ISSUE_SOFT_RESET |	\
469 			TW_CONTROL_CLEAR_HOST_INTERRUPT | \
470 			TW_CONTROL_CLEAR_ATTENTION_INTERRUPT | \
471 			TW_CONTROL_MASK_COMMAND_INTERRUPT | \
472 			TW_CONTROL_MASK_RESPONSE_INTERRUPT | \
473 			TW_CONTROL_CLEAR_ERROR_STATUS | \
474 			TW_CONTROL_DISABLE_INTERRUPTS, TW_CONTROL_REG_ADDR(x)))
475 #define TW_PRINTK(h,a,b,c) { \
476 if (h) \
477 printk(KERN_WARNING "3w-9xxx: scsi%d: ERROR: (0x%02X:0x%04X): %s.\n",h->host_no,a,b,c); \
478 else \
479 printk(KERN_WARNING "3w-9xxx: ERROR: (0x%02X:0x%04X): %s.\n",a,b,c); \
480 }
481 #define TW_MAX_LUNS(srl) (srl < TW_FW_SRL_LUNS_SUPPORTED ? 1 : 16)
482 #define TW_COMMAND_SIZE (sizeof(dma_addr_t) > 4 ? 5 : 4)
483 #define TW_APACHE_MAX_SGL_LENGTH (sizeof(dma_addr_t) > 4 ? 72 : 109)
484 #define TW_ESCALADE_MAX_SGL_LENGTH (sizeof(dma_addr_t) > 4 ? 41 : 62)
485 #define TW_PADDING_LENGTH (sizeof(dma_addr_t) > 4 ? 8 : 0)
486 
487 #if IS_ENABLED(CONFIG_ARCH_DMA_ADDR_T_64BIT)
488 typedef __le64 twa_addr_t;
489 #define TW_CPU_TO_SGL(x) cpu_to_le64(x)
490 #else
491 typedef __le32 twa_addr_t;
492 #define TW_CPU_TO_SGL(x) cpu_to_le32(x)
493 #endif
494 
495 /* Scatter Gather List Entry */
496 typedef struct TAG_TW_SG_Entry {
497 	twa_addr_t	address;
498 	__le32		length;
499 } __packed TW_SG_Entry;
500 
501 /* Command Packet */
502 typedef struct TW_Command {
503 	u8	opcode__sgloffset;
504 	u8	size;
505 	u8	request_id;
506 	u8	unit__hostid;
507 	/* Second DWORD */
508 	u8	status;
509 	u8	flags;
510 	union {
511 		__le16	block_count;
512 		__le16	parameter_count;
513 	} byte6_offset;
514 	union {
515 		struct {
516 			__le32		lba;
517 			TW_SG_Entry	sgl[TW_ESCALADE_MAX_SGL_LENGTH];
518 			twa_addr_t	padding;
519 		} io;
520 		struct {
521 			TW_SG_Entry	sgl[TW_ESCALADE_MAX_SGL_LENGTH];
522 			__le32		padding;
523 			twa_addr_t	padding2;
524 		} param;
525 	} byte8_offset;
526 } TW_Command;
527 
528 /* Command Packet for 9000+ controllers */
529 typedef struct TAG_TW_Command_Apache {
530 	u8		opcode__reserved;
531 	u8		unit;
532 	__le16		request_id__lunl;
533 	u8		status;
534 	u8		sgl_offset;
535 	__le16		sgl_entries__lunh;
536 	u8		cdb[16];
537 	TW_SG_Entry	sg_list[TW_APACHE_MAX_SGL_LENGTH];
538 	u8		padding[TW_PADDING_LENGTH];
539 } TW_Command_Apache;
540 
541 /* New command packet header */
542 typedef struct TAG_TW_Command_Apache_Header {
543 	unsigned char sense_data[TW_SENSE_DATA_LENGTH];
544 	struct {
545 		u8	reserved[4];
546 		__le16	error;
547 		u8	padding;
548 		u8	severity__reserved;
549 	} status_block;
550 	unsigned char err_specific_desc[98];
551 	struct {
552 		u8	size_header;
553 		u8	reserved[2];
554 		u8	size_sense;
555 	} header_desc;
556 } TW_Command_Apache_Header;
557 
558 /* This struct is a union of the 2 command packets */
559 typedef struct TAG_TW_Command_Full {
560 	TW_Command_Apache_Header header;
561 	union {
562 		TW_Command oldcommand;
563 		TW_Command_Apache newcommand;
564 	} command;
565 } TW_Command_Full;
566 
567 /* Initconnection structure */
568 typedef struct TAG_TW_Initconnect {
569 	u8	opcode__reserved;
570 	u8	size;
571 	u8	request_id;
572 	u8	res2;
573 	u8	status;
574 	u8	flags;
575 	__le16	message_credits;
576 	__le32	features;
577 	__le16	fw_srl;
578 	__le16	fw_arch_id;
579 	__le16	fw_branch;
580 	__le16	fw_build;
581 	__le32	result;
582 } TW_Initconnect;
583 
584 /* Event info structure */
585 typedef struct TAG_TW_Event
586 {
587 	unsigned int sequence_id;
588 	unsigned int time_stamp_sec;
589 	unsigned short aen_code;
590 	unsigned char severity;
591 	unsigned char retrieved;
592 	unsigned char repeat_count;
593 	unsigned char parameter_len;
594 	unsigned char parameter_data[98];
595 } TW_Event;
596 
597 typedef struct TAG_TW_Ioctl_Driver_Command {
598 	unsigned int control_code;
599 	unsigned int status;
600 	unsigned int unique_id;
601 	unsigned int sequence_id;
602 	unsigned int os_specific;
603 	unsigned int buffer_length;
604 } TW_Ioctl_Driver_Command;
605 
606 typedef struct TAG_TW_Ioctl_Apache {
607 	TW_Ioctl_Driver_Command driver_command;
608 	char padding[488];
609 	TW_Command_Full firmware_command;
610 	char data_buffer[];
611 } TW_Ioctl_Buf_Apache;
612 
613 /* Lock structure for ioctl get/release lock */
614 typedef struct TAG_TW_Lock {
615 	unsigned long timeout_msec;
616 	unsigned long time_remaining_msec;
617 	unsigned long force_flag;
618 } TW_Lock;
619 
620 /* GetParam descriptor */
621 typedef struct {
622 	__le16	table_id;
623 	__le16	parameter_id;
624 	__le16	parameter_size_bytes;
625 	__le16  actual_parameter_size_bytes;
626 	u8	data[];
627 } TW_Param_Apache, *PTW_Param_Apache;
628 
629 /* Response queue */
630 typedef union TAG_TW_Response_Queue {
631 	u32 response_id;
632 	u32 value;
633 } TW_Response_Queue;
634 
635 /* Compatibility information structure */
636 typedef struct TAG_TW_Compatibility_Info
637 {
638 	char driver_version[32];
639 	unsigned short working_srl;
640 	unsigned short working_branch;
641 	unsigned short working_build;
642 	unsigned short driver_srl_high;
643 	unsigned short driver_branch_high;
644 	unsigned short driver_build_high;
645 	unsigned short driver_srl_low;
646 	unsigned short driver_branch_low;
647 	unsigned short driver_build_low;
648 	unsigned short fw_on_ctlr_srl;
649 	unsigned short fw_on_ctlr_branch;
650 	unsigned short fw_on_ctlr_build;
651 } TW_Compatibility_Info;
652 
653 typedef struct TAG_TW_Device_Extension {
654 	u32			__iomem *base_addr;
655 	unsigned long		*generic_buffer_virt[TW_Q_LENGTH];
656 	dma_addr_t		generic_buffer_phys[TW_Q_LENGTH];
657 	TW_Command_Full		*command_packet_virt[TW_Q_LENGTH];
658 	dma_addr_t		command_packet_phys[TW_Q_LENGTH];
659 	struct pci_dev		*tw_pci_dev;
660 	struct scsi_cmnd	*srb[TW_Q_LENGTH];
661 	unsigned char		free_queue[TW_Q_LENGTH];
662 	unsigned char		free_head;
663 	unsigned char		free_tail;
664 	unsigned char		pending_queue[TW_Q_LENGTH];
665 	unsigned char		pending_head;
666 	unsigned char		pending_tail;
667 	int			state[TW_Q_LENGTH];
668 	unsigned int		posted_request_count;
669 	unsigned int		max_posted_request_count;
670 	unsigned int		pending_request_count;
671 	unsigned int		max_pending_request_count;
672 	unsigned int		max_sgl_entries;
673 	unsigned int		sgl_entries;
674 	unsigned int		num_resets;
675 	unsigned int		sector_count;
676 	unsigned int		max_sector_count;
677 	unsigned int		aen_count;
678 	struct Scsi_Host	*host;
679 	long			flags;
680 	int			reset_print;
681 	TW_Event		*event_queue[TW_Q_LENGTH];
682 	unsigned char		error_index;
683 	unsigned char		event_queue_wrapped;
684 	unsigned int		error_sequence_id;
685 	int			ioctl_sem_lock;
686 	ktime_t			ioctl_time;
687 	int			chrdev_request_id;
688 	wait_queue_head_t	ioctl_wqueue;
689 	struct mutex		ioctl_lock;
690 	char			aen_clobber;
691 	TW_Compatibility_Info	tw_compat_info;
692 } TW_Device_Extension;
693 
694 #endif /* _3W_9XXX_H */
695 
696