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)			\
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) { \
476if (h) \
477printk(KERN_WARNING "3w-9xxx: scsi%d: ERROR: (0x%02X:0x%04X): %s.\n",h->host_no,a,b,c); \
478else \
479printk(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)
488typedef __le64 twa_addr_t;
489#define TW_CPU_TO_SGL(x) cpu_to_le64(x)
490#else
491typedef __le32 twa_addr_t;
492#define TW_CPU_TO_SGL(x) cpu_to_le32(x)
493#endif
494
495/* Scatter Gather List Entry */
496typedef struct TAG_TW_SG_Entry {
497	twa_addr_t	address;
498	__le32		length;
499} __packed TW_SG_Entry;
500
501/* Command Packet */
502typedef 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 */
529typedef 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 */
542typedef 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 */
559typedef 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 */
568typedef 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 */
585typedef 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
597typedef 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
606typedef 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 */
614typedef 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 */
621typedef 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 */
630typedef union TAG_TW_Response_Queue {
631	u32 response_id;
632	u32 value;
633} TW_Response_Queue;
634
635/* Compatibility information structure */
636typedef 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
653typedef 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