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 */
51typedef struct TAG_twa_message_type {
52 unsigned int code;
53 char* text;
54} twa_message_type;
55
56/* AEN strings */
57static 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 */
132static char *twa_aen_severity_table[] =
133{
134 "None", "ERROR", "WARNING", "INFO", "DEBUG", (char*) 0
135};
136
137/* Error strings */
138static 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) (((lun << 12) & 0xf000) | (request_id & 0xfff))
438#define TW_LUN_OUT(lun) ((lun >> 12) & 0xf)
439
440/* Macros */
441#define TW_CONTROL_REG_ADDR(x) (x->base_addr)
442#define TW_STATUS_REG_ADDR(x) ((unsigned char __iomem *)x->base_addr + 0x4)
443#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))
444#define TW_COMMAND_QUEUE_REG_ADDR_LARGE(x) ((unsigned char __iomem *)x->base_addr + 0x20)
445#define TW_RESPONSE_QUEUE_REG_ADDR(x) ((unsigned char __iomem *)x->base_addr + 0xC)
446#define TW_RESPONSE_QUEUE_REG_ADDR_LARGE(x) ((unsigned char __iomem *)x->base_addr + 0x30)
447#define TW_CLEAR_ALL_INTERRUPTS(x) (writel(TW_STATUS_VALID_INTERRUPT, TW_CONTROL_REG_ADDR(x)))
448#define TW_CLEAR_ATTENTION_INTERRUPT(x) (writel(TW_CONTROL_CLEAR_ATTENTION_INTERRUPT, TW_CONTROL_REG_ADDR(x)))
449#define TW_CLEAR_HOST_INTERRUPT(x) (writel(TW_CONTROL_CLEAR_HOST_INTERRUPT, TW_CONTROL_REG_ADDR(x)))
450#define TW_DISABLE_INTERRUPTS(x) (writel(TW_CONTROL_DISABLE_INTERRUPTS, TW_CONTROL_REG_ADDR(x)))
451#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)))
452#define TW_MASK_COMMAND_INTERRUPT(x) (writel(TW_CONTROL_MASK_COMMAND_INTERRUPT, TW_CONTROL_REG_ADDR(x)))
453#define TW_UNMASK_COMMAND_INTERRUPT(x) (writel(TW_CONTROL_UNMASK_COMMAND_INTERRUPT, TW_CONTROL_REG_ADDR(x)))
454#define TW_SOFT_RESET(x) (writel(TW_CONTROL_ISSUE_SOFT_RESET | \
455 TW_CONTROL_CLEAR_HOST_INTERRUPT | \
456 TW_CONTROL_CLEAR_ATTENTION_INTERRUPT | \
457 TW_CONTROL_MASK_COMMAND_INTERRUPT | \
458 TW_CONTROL_MASK_RESPONSE_INTERRUPT | \
459 TW_CONTROL_CLEAR_ERROR_STATUS | \
460 TW_CONTROL_DISABLE_INTERRUPTS, TW_CONTROL_REG_ADDR(x)))
461#define TW_PRINTK(h,a,b,c) { \
462if (h) \
463printk(KERN_WARNING "3w-9xxx: scsi%d: ERROR: (0x%02X:0x%04X): %s.\n",h->host_no,a,b,c); \
464else \
465printk(KERN_WARNING "3w-9xxx: ERROR: (0x%02X:0x%04X): %s.\n",a,b,c); \
466}
467#define TW_MAX_LUNS(srl) (srl < TW_FW_SRL_LUNS_SUPPORTED ? 1 : 16)
468#define TW_COMMAND_SIZE (sizeof(dma_addr_t) > 4 ? 5 : 4)
469#define TW_APACHE_MAX_SGL_LENGTH (sizeof(dma_addr_t) > 4 ? 72 : 109)
470#define TW_ESCALADE_MAX_SGL_LENGTH (sizeof(dma_addr_t) > 4 ? 41 : 62)
471#define TW_PADDING_LENGTH (sizeof(dma_addr_t) > 4 ? 8 : 0)
472#define TW_CPU_TO_SGL(x) (sizeof(dma_addr_t) > 4 ? cpu_to_le64(x) : cpu_to_le32(x))
473
474#pragma pack(1)
475
476/* Scatter Gather List Entry */
477typedef struct TAG_TW_SG_Entry {
478 dma_addr_t address;
479 u32 length;
480} TW_SG_Entry;
481
482/* Command Packet */
483typedef struct TW_Command {
484 unsigned char opcode__sgloffset;
485 unsigned char size;
486 unsigned char request_id;
487 unsigned char unit__hostid;
488 /* Second DWORD */
489 unsigned char status;
490 unsigned char flags;
491 union {
492 unsigned short block_count;
493 unsigned short parameter_count;
494 } byte6_offset;
495 union {
496 struct {
497 u32 lba;
498 TW_SG_Entry sgl[TW_ESCALADE_MAX_SGL_LENGTH];
499 dma_addr_t padding;
500 } io;
501 struct {
502 TW_SG_Entry sgl[TW_ESCALADE_MAX_SGL_LENGTH];
503 u32 padding;
504 dma_addr_t padding2;
505 } param;
506 } byte8_offset;
507} TW_Command;
508
509/* Command Packet for 9000+ controllers */
510typedef struct TAG_TW_Command_Apache {
511 unsigned char opcode__reserved;
512 unsigned char unit;
513 unsigned short request_id__lunl;
514 unsigned char status;
515 unsigned char sgl_offset;
516 unsigned short sgl_entries__lunh;
517 unsigned char cdb[16];
518 TW_SG_Entry sg_list[TW_APACHE_MAX_SGL_LENGTH];
519 unsigned char padding[TW_PADDING_LENGTH];
520} TW_Command_Apache;
521
522/* New command packet header */
523typedef struct TAG_TW_Command_Apache_Header {
524 unsigned char sense_data[TW_SENSE_DATA_LENGTH];
525 struct {
526 char reserved[4];
527 unsigned short error;
528 unsigned char padding;
529 unsigned char severity__reserved;
530 } status_block;
531 unsigned char err_specific_desc[98];
532 struct {
533 unsigned char size_header;
534 unsigned short reserved;
535 unsigned char size_sense;
536 } header_desc;
537} TW_Command_Apache_Header;
538
539/* This struct is a union of the 2 command packets */
540typedef struct TAG_TW_Command_Full {
541 TW_Command_Apache_Header header;
542 union {
543 TW_Command oldcommand;
544 TW_Command_Apache newcommand;
545 } command;
546} TW_Command_Full;
547
548/* Initconnection structure */
549typedef struct TAG_TW_Initconnect {
550 unsigned char opcode__reserved;
551 unsigned char size;
552 unsigned char request_id;
553 unsigned char res2;
554 unsigned char status;
555 unsigned char flags;
556 unsigned short message_credits;
557 u32 features;
558 unsigned short fw_srl;
559 unsigned short fw_arch_id;
560 unsigned short fw_branch;
561 unsigned short fw_build;
562 u32 result;
563} TW_Initconnect;
564
565/* Event info structure */
566typedef struct TAG_TW_Event
567{
568 unsigned int sequence_id;
569 unsigned int time_stamp_sec;
570 unsigned short aen_code;
571 unsigned char severity;
572 unsigned char retrieved;
573 unsigned char repeat_count;
574 unsigned char parameter_len;
575 unsigned char parameter_data[98];
576} TW_Event;
577
578typedef struct TAG_TW_Ioctl_Driver_Command {
579 unsigned int control_code;
580 unsigned int status;
581 unsigned int unique_id;
582 unsigned int sequence_id;
583 unsigned int os_specific;
584 unsigned int buffer_length;
585} TW_Ioctl_Driver_Command;
586
587typedef struct TAG_TW_Ioctl_Apache {
588 TW_Ioctl_Driver_Command driver_command;
589 char padding[488];
590 TW_Command_Full firmware_command;
591 char data_buffer[1];
592} TW_Ioctl_Buf_Apache;
593
594/* Lock structure for ioctl get/release lock */
595typedef struct TAG_TW_Lock {
596 unsigned long timeout_msec;
597 unsigned long time_remaining_msec;
598 unsigned long force_flag;
599} TW_Lock;
600
601/* GetParam descriptor */
602typedef struct {
603 unsigned short table_id;
604 unsigned short parameter_id;
605 unsigned short parameter_size_bytes;
606 unsigned short actual_parameter_size_bytes;
607 unsigned char data[1];
608} TW_Param_Apache, *PTW_Param_Apache;
609
610/* Response queue */
611typedef union TAG_TW_Response_Queue {
612 u32 response_id;
613 u32 value;
614} TW_Response_Queue;
615
616/* Compatibility information structure */
617typedef struct TAG_TW_Compatibility_Info
618{
619 char driver_version[32];
620 unsigned short working_srl;
621 unsigned short working_branch;
622 unsigned short working_build;
623 unsigned short driver_srl_high;
624 unsigned short driver_branch_high;
625 unsigned short driver_build_high;
626 unsigned short driver_srl_low;
627 unsigned short driver_branch_low;
628 unsigned short driver_build_low;
629 unsigned short fw_on_ctlr_srl;
630 unsigned short fw_on_ctlr_branch;
631 unsigned short fw_on_ctlr_build;
632} TW_Compatibility_Info;
633
634#pragma pack()
635
636typedef struct TAG_TW_Device_Extension {
637 u32 __iomem *base_addr;
638 unsigned long *generic_buffer_virt[TW_Q_LENGTH];
639 dma_addr_t generic_buffer_phys[TW_Q_LENGTH];
640 TW_Command_Full *command_packet_virt[TW_Q_LENGTH];
641 dma_addr_t command_packet_phys[TW_Q_LENGTH];
642 struct pci_dev *tw_pci_dev;
643 struct scsi_cmnd *srb[TW_Q_LENGTH];
644 unsigned char free_queue[TW_Q_LENGTH];
645 unsigned char free_head;
646 unsigned char free_tail;
647 unsigned char pending_queue[TW_Q_LENGTH];
648 unsigned char pending_head;
649 unsigned char pending_tail;
650 int state[TW_Q_LENGTH];
651 unsigned int posted_request_count;
652 unsigned int max_posted_request_count;
653 unsigned int pending_request_count;
654 unsigned int max_pending_request_count;
655 unsigned int max_sgl_entries;
656 unsigned int sgl_entries;
657 unsigned int num_resets;
658 unsigned int sector_count;
659 unsigned int max_sector_count;
660 unsigned int aen_count;
661 struct Scsi_Host *host;
662 long flags;
663 int reset_print;
664 TW_Event *event_queue[TW_Q_LENGTH];
665 unsigned char error_index;
666 unsigned char event_queue_wrapped;
667 unsigned int error_sequence_id;
668 int ioctl_sem_lock;
669 ktime_t ioctl_time;
670 int chrdev_request_id;
671 wait_queue_head_t ioctl_wqueue;
672 struct mutex ioctl_lock;
673 char aen_clobber;
674 TW_Compatibility_Info tw_compat_info;
675} TW_Device_Extension;
676
677#endif /* _3W_9XXX_H */
678
679