blob: 91499d1275c4db5e57f7928368fa01daca5b0c15 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * linux/drivers/message/fusion/mptbase.h
3 * High performance SCSI + LAN / Fibre Channel device drivers.
4 * For use with PCI chip/adapter(s):
5 * LSIFC9xx/LSI409xx Fibre Channel
Prakash, Sathyaf36789e2007-08-14 16:22:54 +05306 * running LSI Fusion MPT (Message Passing Technology) firmware.
Linus Torvalds1da177e2005-04-16 15:20:36 -07007 *
Prakash, Sathyacddc0ab2008-05-21 00:56:41 +05308 * Copyright (c) 1999-2008 LSI Corporation
Eric Moore16d20102007-06-13 16:31:07 -06009 * (mailto:DL-MPTFusionLinux@lsi.com)
Linus Torvalds1da177e2005-04-16 15:20:36 -070010 *
Linus Torvalds1da177e2005-04-16 15:20:36 -070011 */
12/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
13/*
14 This program is free software; you can redistribute it and/or modify
15 it under the terms of the GNU General Public License as published by
16 the Free Software Foundation; version 2 of the License.
17
18 This program is distributed in the hope that it will be useful,
19 but WITHOUT ANY WARRANTY; without even the implied warranty of
20 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 GNU General Public License for more details.
22
23 NO WARRANTY
24 THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
25 CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
26 LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
27 MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
28 solely responsible for determining the appropriateness of using and
29 distributing the Program and assumes all risks associated with its
30 exercise of rights under this Agreement, including but not limited to
31 the risks and costs of program errors, damage to or loss of data,
32 programs or equipment, and unavailability or interruption of operations.
33
34 DISCLAIMER OF LIABILITY
35 NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
36 DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
37 DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
38 ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
39 TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
40 USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
41 HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
42
43 You should have received a copy of the GNU General Public License
44 along with this program; if not, write to the Free Software
45 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
46*/
47
48#ifndef MPTBASE_H_INCLUDED
49#define MPTBASE_H_INCLUDED
50/*{-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
51
Linus Torvalds1da177e2005-04-16 15:20:36 -070052#include <linux/kernel.h>
53#include <linux/pci.h>
Matthias Kaehlckeed5f6062008-03-09 12:16:27 +010054#include <linux/mutex.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070055
56#include "lsi/mpi_type.h"
57#include "lsi/mpi.h" /* Fusion MPI(nterface) basic defs */
58#include "lsi/mpi_ioc.h" /* Fusion MPT IOC(ontroller) defs */
59#include "lsi/mpi_cnfg.h" /* IOC configuration support */
60#include "lsi/mpi_init.h" /* SCSI Host (initiator) protocol support */
61#include "lsi/mpi_lan.h" /* LAN over FC protocol support */
62#include "lsi/mpi_raid.h" /* Integrated Mirroring support */
63
64#include "lsi/mpi_fc.h" /* Fibre Channel (lowlevel) support */
65#include "lsi/mpi_targ.h" /* SCSI/FCP Target protcol support */
66#include "lsi/mpi_tool.h" /* Tools support */
Christoph Hellwig82ffb6712005-09-09 16:25:54 +020067#include "lsi/mpi_sas.h" /* SAS support */
Linus Torvalds1da177e2005-04-16 15:20:36 -070068
69/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
70
71#ifndef MODULEAUTHOR
Prakash, Sathyaf36789e2007-08-14 16:22:54 +053072#define MODULEAUTHOR "LSI Corporation"
Linus Torvalds1da177e2005-04-16 15:20:36 -070073#endif
74
75#ifndef COPYRIGHT
Prakash, Sathyacddc0ab2008-05-21 00:56:41 +053076#define COPYRIGHT "Copyright (c) 1999-2008 " MODULEAUTHOR
Linus Torvalds1da177e2005-04-16 15:20:36 -070077#endif
78
Kashyap, Desai2f187862009-05-29 16:52:37 +053079#define MPT_LINUX_VERSION_COMMON "3.04.10"
Kashyap, Desaieedf92b2009-05-29 16:51:32 +053080#define MPT_LINUX_PACKAGE_NAME "@(#)mptlinux-3.04.09"
Linus Torvalds1da177e2005-04-16 15:20:36 -070081#define WHAT_MAGIC_STRING "@" "(" "#" ")"
82
83#define show_mptmod_ver(s,ver) \
84 printk(KERN_INFO "%s %s\n", s, ver);
85
86/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
87/*
88 * Fusion MPT(linux) driver configurable stuff...
89 */
90#define MPT_MAX_ADAPTERS 18
91#define MPT_MAX_PROTOCOL_DRIVERS 16
92#define MPT_MAX_BUS 1 /* Do not change */
93#define MPT_MAX_FC_DEVICES 255
94#define MPT_MAX_SCSI_DEVICES 16
95#define MPT_LAST_LUN 255
96#define MPT_SENSE_BUFFER_ALLOC 64
97 /* allow for 256 max sense alloc, but only 255 max request */
98#if MPT_SENSE_BUFFER_ALLOC >= 256
99# undef MPT_SENSE_BUFFER_ALLOC
100# define MPT_SENSE_BUFFER_ALLOC 256
101# define MPT_SENSE_BUFFER_SIZE 255
102#else
103# define MPT_SENSE_BUFFER_SIZE MPT_SENSE_BUFFER_ALLOC
104#endif
105
106#define MPT_NAME_LENGTH 32
Kashyap, Desai2f187862009-05-29 16:52:37 +0530107#define MPT_KOBJ_NAME_LEN 20
Linus Torvalds1da177e2005-04-16 15:20:36 -0700108
109#define MPT_PROCFS_MPTBASEDIR "mpt"
110 /* chg it to "driver/fusion" ? */
111#define MPT_PROCFS_SUMMARY_ALL_NODE MPT_PROCFS_MPTBASEDIR "/summary"
112#define MPT_PROCFS_SUMMARY_ALL_PATHNAME "/proc/" MPT_PROCFS_SUMMARY_ALL_NODE
113#define MPT_FW_REV_MAGIC_ID_STRING "FwRev="
114
115#define MPT_MAX_REQ_DEPTH 1023
116#define MPT_DEFAULT_REQ_DEPTH 256
117#define MPT_MIN_REQ_DEPTH 128
118
119#define MPT_MAX_REPLY_DEPTH MPT_MAX_REQ_DEPTH
120#define MPT_DEFAULT_REPLY_DEPTH 128
121#define MPT_MIN_REPLY_DEPTH 8
122#define MPT_MAX_REPLIES_PER_ISR 32
123
124#define MPT_MAX_FRAME_SIZE 128
125#define MPT_DEFAULT_FRAME_SIZE 128
126
Moore, Eric928496a2006-01-16 18:53:16 -0700127#define MPT_REPLY_FRAME_SIZE 0x50 /* Must be a multiple of 8 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700128
129#define MPT_SG_REQ_128_SCALE 1
130#define MPT_SG_REQ_96_SCALE 2
131#define MPT_SG_REQ_64_SCALE 4
132
133#define CAN_SLEEP 1
134#define NO_SLEEP 0
135
136#define MPT_COALESCING_TIMEOUT 0x10
137
Kashyap, Desai14d0f0b2009-05-29 16:37:04 +0530138
Linus Torvalds1da177e2005-04-16 15:20:36 -0700139/*
140 * SCSI transfer rate defines.
141 */
142#define MPT_ULTRA320 0x08
143#define MPT_ULTRA160 0x09
144#define MPT_ULTRA2 0x0A
145#define MPT_ULTRA 0x0C
146#define MPT_FAST 0x19
147#define MPT_SCSI 0x32
148#define MPT_ASYNC 0xFF
149
150#define MPT_NARROW 0
151#define MPT_WIDE 1
152
153#define C0_1030 0x08
154#define XL_929 0x01
155
156
157/*
158 * Try to keep these at 2^N-1
159 */
160#define MPT_FC_CAN_QUEUE 127
161#define MPT_SCSI_CAN_QUEUE 127
162
163/*
164 * Set the MAX_SGE value based on user input.
165 */
Kashyap, Desai2f187862009-05-29 16:52:37 +0530166#ifdef CONFIG_FUSION_MAX_SGE
167#if CONFIG_FUSION_MAX_SGE < 16
Linus Torvalds1da177e2005-04-16 15:20:36 -0700168#define MPT_SCSI_SG_DEPTH 16
Kashyap, Desai2f187862009-05-29 16:52:37 +0530169#elif CONFIG_FUSION_MAX_SGE > 128
Linus Torvalds1da177e2005-04-16 15:20:36 -0700170#define MPT_SCSI_SG_DEPTH 128
171#else
172#define MPT_SCSI_SG_DEPTH CONFIG_FUSION_MAX_SGE
173#endif
174#else
175#define MPT_SCSI_SG_DEPTH 40
176#endif
177
Kashyap, Desai2f187862009-05-29 16:52:37 +0530178#ifdef CONFIG_FUSION_MAX_FC_SGE
179#if CONFIG_FUSION_MAX_FC_SGE < 16
180#define MPT_SCSI_FC_SG_DEPTH 16
181#elif CONFIG_FUSION_MAX_FC_SGE > 256
182#define MPT_SCSI_FC_SG_DEPTH 256
183#else
184#define MPT_SCSI_FC_SG_DEPTH CONFIG_FUSION_MAX_FC_SGE
185#endif
186#else
187#define MPT_SCSI_FC_SG_DEPTH 40
188#endif
189
Eric Moorec6c727a2007-01-29 09:44:54 -0700190/* debug print string length used for events and iocstatus */
191# define EVENT_DESCR_STR_SZ 100
192
Prakash, Sathyad54d48b2008-05-21 01:02:18 +0530193#define MPT_POLLING_INTERVAL 1000 /* in milliseconds */
194
Linus Torvalds1da177e2005-04-16 15:20:36 -0700195#ifdef __KERNEL__ /* { */
196/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
197
198#include <linux/proc_fs.h>
199
200/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
201/*
202 * Attempt semi-consistent error & warning msgs across
203 * MPT drivers. NOTE: Users of these macro defs must
204 * themselves define their own MYNAM.
205 */
Eric Moorec51d0be2007-09-29 10:17:21 -0600206#define MYIOC_s_FMT MYNAM ": %s: "
Prakash, Sathya5c1b91b2007-07-24 15:40:08 +0530207#define MYIOC_s_DEBUG_FMT KERN_DEBUG MYNAM ": %s: "
Linus Torvalds1da177e2005-04-16 15:20:36 -0700208#define MYIOC_s_INFO_FMT KERN_INFO MYNAM ": %s: "
209#define MYIOC_s_NOTE_FMT KERN_NOTICE MYNAM ": %s: "
210#define MYIOC_s_WARN_FMT KERN_WARNING MYNAM ": %s: WARNING - "
211#define MYIOC_s_ERR_FMT KERN_ERR MYNAM ": %s: ERROR - "
212
213/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
214/*
Eric Moore232f08f2007-08-14 17:28:27 -0600215 * ATTO UL4D associated structures and defines
216 */
217#define ATTOFLAG_DISC 0x0001
218#define ATTOFLAG_TAGGED 0x0002
219#define ATTOFLAG_WIDE_ENB 0x0008
220#define ATTOFLAG_ID_ENB 0x0010
221#define ATTOFLAG_LUN_ENB 0x0060
222
223typedef struct _ATTO_DEVICE_INFO
224{
225 u8 Offset; /* 00h */
226 u8 Period; /* 01h */
227 u16 ATTOFlags; /* 02h */
228} ATTO_DEVICE_INFO, MPI_POINTER PTR_ATTO_DEVICE_INFO,
229 ATTODeviceInfo_t, MPI_POINTER pATTODeviceInfo_t;
230
231typedef struct _ATTO_CONFIG_PAGE_SCSI_PORT_2
232{
233 CONFIG_PAGE_HEADER Header; /* 00h */
234 u16 PortFlags; /* 04h */
235 u16 Unused1; /* 06h */
236 u32 Unused2; /* 08h */
237 ATTO_DEVICE_INFO DeviceSettings[16]; /* 0Ch */
238} fATTO_CONFIG_PAGE_SCSI_PORT_2, MPI_POINTER PTR_ATTO_CONFIG_PAGE_SCSI_PORT_2,
239 ATTO_SCSIPortPage2_t, MPI_POINTER pATTO_SCSIPortPage2_t;
240
241
242/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
243/*
Linus Torvalds1da177e2005-04-16 15:20:36 -0700244 * MPT protocol driver defs...
245 */
246typedef enum {
247 MPTBASE_DRIVER, /* MPT base class */
248 MPTCTL_DRIVER, /* MPT ioctl class */
Moore, Eric Dean 7fadc872005-04-22 18:01:16 -0400249 MPTSPI_DRIVER, /* MPT SPI host class */
250 MPTFC_DRIVER, /* MPT FC host class */
251 MPTSAS_DRIVER, /* MPT SAS host class */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700252 MPTLAN_DRIVER, /* MPT LAN class */
253 MPTSTM_DRIVER, /* MPT SCSI target mode class */
254 MPTUNKNOWN_DRIVER
255} MPT_DRIVER_CLASS;
256
257struct mpt_pci_driver{
258 int (*probe) (struct pci_dev *dev, const struct pci_device_id *id);
259 void (*remove) (struct pci_dev *dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700260};
261
262/*
263 * MPT adapter / port / bus / device info structures...
264 */
265
266typedef union _MPT_FRAME_TRACKER {
267 struct {
268 struct list_head list;
269 u32 arg1;
270 u32 pad;
271 void *argp1;
272 } linkage;
273 /*
274 * NOTE: When request frames are free, on the linkage structure
275 * contets are valid. All other values are invalid.
276 * In particular, do NOT reply on offset [2]
277 * (in words) being the * message context.
278 * The message context must be reset (computed via base address
279 * + an offset) prior to issuing any command.
280 *
281 * NOTE2: On non-32-bit systems, where pointers are LARGE,
282 * using the linkage pointers destroys our sacred MsgContext
283 * field contents. But we don't care anymore because these
284 * are now reset in mpt_put_msg_frame() just prior to sending
285 * a request off to the IOC.
286 */
287 struct {
288 u32 __hdr[2];
289 /*
290 * The following _MUST_ match the location of the
291 * MsgContext field in the MPT message headers.
292 */
293 union {
294 u32 MsgContext;
295 struct {
296 u16 req_idx; /* Request index */
297 u8 cb_idx; /* callback function index */
298 u8 rsvd;
299 } fld;
300 } msgctxu;
301 } hwhdr;
302 /*
303 * Remark: 32 bit identifier:
304 * 31-24: reserved
305 * 23-16: call back index
306 * 15-0 : request index
307 */
308} MPT_FRAME_TRACKER;
309
310/*
311 * We might want to view/access a frame as:
312 * 1) generic request header
313 * 2) SCSIIORequest
314 * 3) SCSIIOReply
315 * 4) MPIDefaultReply
316 * 5) frame tracker
317 */
318typedef struct _MPT_FRAME_HDR {
319 union {
320 MPIHeader_t hdr;
321 SCSIIORequest_t scsireq;
322 SCSIIOReply_t sreply;
323 ConfigReply_t configreply;
324 MPIDefaultReply_t reply;
325 MPT_FRAME_TRACKER frame;
326 } u;
327} MPT_FRAME_HDR;
328
329#define MPT_REQ_MSGFLAGS_DROPME 0x80
330
331typedef struct _MPT_SGL_HDR {
332 SGESimple32_t sge[1];
333} MPT_SGL_HDR;
334
335typedef struct _MPT_SGL64_HDR {
336 SGESimple64_t sge[1];
337} MPT_SGL64_HDR;
338
339/*
340 * System interface register set
341 */
342
343typedef struct _SYSIF_REGS
344{
345 u32 Doorbell; /* 00 System<->IOC Doorbell reg */
346 u32 WriteSequence; /* 04 Write Sequence register */
347 u32 Diagnostic; /* 08 Diagnostic register */
348 u32 TestBase; /* 0C Test Base Address */
349 u32 DiagRwData; /* 10 Read Write Data (fw download) */
350 u32 DiagRwAddress; /* 14 Read Write Address (fw download)*/
351 u32 Reserved1[6]; /* 18-2F reserved for future use */
352 u32 IntStatus; /* 30 Interrupt Status */
353 u32 IntMask; /* 34 Interrupt Mask */
354 u32 Reserved2[2]; /* 38-3F reserved for future use */
355 u32 RequestFifo; /* 40 Request Post/Free FIFO */
356 u32 ReplyFifo; /* 44 Reply Post/Free FIFO */
Prakash, Sathya7a195f42007-08-14 16:08:40 +0530357 u32 RequestHiPriFifo; /* 48 Hi Priority Request FIFO */
358 u32 Reserved3; /* 4C-4F reserved for future use */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700359 u32 HostIndex; /* 50 Host Index register */
360 u32 Reserved4[15]; /* 54-8F */
361 u32 Fubar; /* 90 For Fubar usage */
Eric Moore3dc0b032006-07-11 17:32:33 -0600362 u32 Reserved5[1050];/* 94-10F8 */
363 u32 Reset_1078; /* 10FC Reset 1078 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700364} SYSIF_REGS;
365
366/*
367 * NOTE: Use MPI_{DOORBELL,WRITESEQ,DIAG}_xxx defs in lsi/mpi.h
368 * in conjunction with SYSIF_REGS accesses!
369 */
370
371
372/*
373 * Dynamic Multi-Pathing specific stuff...
374 */
375
Moore, Eric Deanc7c82982005-11-16 18:54:25 -0700376/* VirtTarget negoFlags field */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700377#define MPT_TARGET_NO_NEGO_WIDE 0x01
378#define MPT_TARGET_NO_NEGO_SYNC 0x02
379#define MPT_TARGET_NO_NEGO_QAS 0x04
380#define MPT_TAPE_NEGO_IDP 0x08
381
382/*
383 * VirtDevice - FC LUN device or SCSI target device
384 */
Moore, Eric Deanc7c82982005-11-16 18:54:25 -0700385typedef struct _VirtTarget {
James Bottomleyc92f2222006-03-01 09:02:49 -0600386 struct scsi_target *starget;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700387 u8 tflags;
388 u8 ioc_id;
Eric Moore793955f2007-01-29 09:42:20 -0700389 u8 id;
390 u8 channel;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700391 u8 minSyncFactor; /* 0xFF is async */
392 u8 maxOffset; /* 0 if async */
393 u8 maxWidth; /* 0 if narrow, 1 if wide */
394 u8 negoFlags; /* bit field, see above */
395 u8 raidVolume; /* set, if RAID Volume */
396 u8 type; /* byte 0 of Inquiry data */
Eric Moore547f9a22006-06-27 14:42:12 -0600397 u8 deleted; /* target in process of being removed */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700398 u32 num_luns;
Moore, Eric Deanc7c82982005-11-16 18:54:25 -0700399} VirtTarget;
400
401typedef struct _VirtDevice {
Moore, Eric914c2d82006-03-14 09:19:36 -0700402 VirtTarget *vtarget;
Moore, Eric Deanc7c82982005-11-16 18:54:25 -0700403 u8 configured_lun;
Eric Moore793955f2007-01-29 09:42:20 -0700404 int lun;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700405} VirtDevice;
406
407/*
408 * Fibre Channel (SCSI) target device and associated defines...
409 */
410#define MPT_TARGET_DEFAULT_DV_STATUS 0x00
411#define MPT_TARGET_FLAGS_VALID_NEGO 0x01
412#define MPT_TARGET_FLAGS_VALID_INQUIRY 0x02
413#define MPT_TARGET_FLAGS_Q_YES 0x08
414#define MPT_TARGET_FLAGS_VALID_56 0x10
415#define MPT_TARGET_FLAGS_SAF_TE_ISSUED 0x20
James Bottomleyc92f2222006-03-01 09:02:49 -0600416#define MPT_TARGET_FLAGS_RAID_COMPONENT 0x40
Eric Moore786899b2006-07-11 17:22:22 -0600417#define MPT_TARGET_FLAGS_LED_ON 0x80
Linus Torvalds1da177e2005-04-16 15:20:36 -0700418
419/*
420 * /proc/mpt interface
421 */
422typedef struct {
423 const char *name;
424 mode_t mode;
425 int pad;
426 read_proc_t *read_proc;
427 write_proc_t *write_proc;
428} mpt_proc_entry_t;
429
430#define MPT_PROC_READ_RETURN(buf,start,offset,request,eof,len) \
431do { \
432 len -= offset; \
433 if (len < request) { \
434 *eof = 1; \
435 if (len <= 0) \
436 return 0; \
437 } else \
438 len = request; \
439 *start = buf + offset; \
440 return len; \
441} while (0)
442
443
444/*
445 * IOCTL structure and associated defines
446 */
447
Linus Torvalds1da177e2005-04-16 15:20:36 -0700448#define MPTCTL_RESET_OK 0x01 /* Issue Bus Reset */
449
Kashyap, Desaif0f09d32009-05-29 16:40:57 +0530450#define MPT_MGMT_STATUS_RF_VALID 0x01 /* The Reply Frame is VALID */
451#define MPT_MGMT_STATUS_COMMAND_GOOD 0x02 /* Command Status GOOD */
452#define MPT_MGMT_STATUS_PENDING 0x04 /* command is pending */
453#define MPT_MGMT_STATUS_DID_IOCRESET 0x08 /* IOC Reset occurred
454 on the current*/
455#define MPT_MGMT_STATUS_SENSE_VALID 0x10 /* valid sense info */
456#define MPT_MGMT_STATUS_TIMER_ACTIVE 0x20 /* obsolete */
457#define MPT_MGMT_STATUS_FREE_MF 0x40 /* free the mf from
458 complete routine */
Christoph Hellwigda4fa652005-10-19 20:01:42 +0200459
Kashyap, Desaif0f09d32009-05-29 16:40:57 +0530460#define INITIALIZE_MGMT_STATUS(status) \
461 status = MPT_MGMT_STATUS_PENDING;
462#define CLEAR_MGMT_STATUS(status) \
463 status = 0;
Kashyap, Desaiea2a7882009-05-29 16:46:50 +0530464#define CLEAR_MGMT_PENDING_STATUS(status) \
465 status &= ~MPT_MGMT_STATUS_PENDING;
466#define SET_MGMT_MSG_CONTEXT(msg_context, value) \
467 msg_context = value;
Kashyap, Desaif0f09d32009-05-29 16:40:57 +0530468
469typedef struct _MPT_MGMT {
Christoph Hellwigeeb846c2006-01-13 18:27:11 +0100470 struct mutex mutex;
Christoph Hellwigda4fa652005-10-19 20:01:42 +0200471 struct completion done;
472 u8 reply[MPT_DEFAULT_FRAME_SIZE]; /* reply frame data */
Kashyap, Desai37c60f32009-05-29 16:44:06 +0530473 u8 sense[MPT_SENSE_BUFFER_ALLOC];
Christoph Hellwigda4fa652005-10-19 20:01:42 +0200474 u8 status; /* current command status */
Kashyap, Desai37c60f32009-05-29 16:44:06 +0530475 int completion_code;
Kashyap, Desaiea2a7882009-05-29 16:46:50 +0530476 u32 msg_context;
Kashyap, Desaif0f09d32009-05-29 16:40:57 +0530477} MPT_MGMT;
Christoph Hellwigda4fa652005-10-19 20:01:42 +0200478
Linus Torvalds1da177e2005-04-16 15:20:36 -0700479/*
480 * Event Structure and define
481 */
Moore, Eric Dean466544d2005-09-14 18:09:10 -0600482#define MPTCTL_EVENT_LOG_SIZE (0x000000032)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700483typedef struct _mpt_ioctl_events {
484 u32 event; /* Specified by define above */
485 u32 eventContext; /* Index or counter */
Dave Jones3d9780b2007-05-21 20:59:47 -0400486 u32 data[2]; /* First 8 bytes of Event Data */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700487} MPT_IOCTL_EVENTS;
488
489/*
490 * CONFIGPARM status defines
491 */
492#define MPT_CONFIG_GOOD MPI_IOCSTATUS_SUCCESS
493#define MPT_CONFIG_ERROR 0x002F
494
495/*
496 * Substructure to store SCSI specific configuration page data
497 */
498 /* dvStatus defines: */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700499#define MPT_SCSICFG_USE_NVRAM 0x01 /* WriteSDP1 using NVRAM */
500#define MPT_SCSICFG_ALL_IDS 0x02 /* WriteSDP1 to all IDS */
501/* #define MPT_SCSICFG_BLK_NEGO 0x10 WriteSDP1 with WDTR and SDTR disabled */
502
Moore, Eric Dean466544d2005-09-14 18:09:10 -0600503typedef struct _SpiCfgData {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700504 u32 PortFlags;
505 int *nvram; /* table of device NVRAM values */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700506 IOCPage4_t *pIocPg4; /* SEP devices addressing */
507 dma_addr_t IocPg4_dma; /* Phys Addr of IOCPage4 data */
508 int IocPg4Sz; /* IOCPage4 size */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700509 u8 minSyncFactor; /* 0xFF if async */
510 u8 maxSyncOffset; /* 0 if async */
511 u8 maxBusWidth; /* 0 if narrow, 1 if wide */
512 u8 busType; /* SE, LVD, HD */
513 u8 sdp1version; /* SDP1 version */
514 u8 sdp1length; /* SDP1 length */
515 u8 sdp0version; /* SDP0 version */
516 u8 sdp0length; /* SDP0 length */
517 u8 dvScheduled; /* 1 if scheduled */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700518 u8 noQas; /* Disable QAS for this adapter */
Moore, Eric Dean466544d2005-09-14 18:09:10 -0600519 u8 Saf_Te; /* 1 to force all Processors as
520 * SAF-TE if Inquiry data length
521 * is too short to check for SAF-TE
522 */
Moore, Eric Dean466544d2005-09-14 18:09:10 -0600523 u8 bus_reset; /* 1 to allow bus reset */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700524 u8 rsvd[1];
Moore, Eric Dean466544d2005-09-14 18:09:10 -0600525}SpiCfgData;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700526
Christoph Hellwig82ffb6712005-09-09 16:25:54 +0200527typedef struct _SasCfgData {
528 u8 ptClear; /* 1 to automatically clear the
529 * persistent table.
530 * 0 to disable
531 * automatic clearing.
532 */
533}SasCfgData;
534
Eric Mooreb506ade2007-01-29 09:45:37 -0700535/*
536 * Inactive volume link list of raid component data
537 * @inactive_list
538 */
539struct inactive_raid_component_info {
540 struct list_head list;
541 u8 volumeID; /* volume target id */
542 u8 volumeBus; /* volume channel */
543 IOC_3_PHYS_DISK d; /* phys disk info */
544};
545
Moore, Eric Dean466544d2005-09-14 18:09:10 -0600546typedef struct _RaidCfgData {
547 IOCPage2_t *pIocPg2; /* table of Raid Volumes */
548 IOCPage3_t *pIocPg3; /* table of physical disks */
Matthias Kaehlckeed5f6062008-03-09 12:16:27 +0100549 struct mutex inactive_list_mutex;
Eric Mooreb506ade2007-01-29 09:45:37 -0700550 struct list_head inactive_list; /* link list for physical
551 disk that belong in
552 inactive volumes */
Moore, Eric Dean466544d2005-09-14 18:09:10 -0600553}RaidCfgData;
554
Michael Reedca2f9382006-05-24 15:07:24 -0500555typedef struct _FcCfgData {
556 /* will ultimately hold fc_port_page0 also */
557 struct {
558 FCPortPage1_t *data;
559 dma_addr_t dma;
560 int pg_sz;
561 } fc_port_page1[2];
562} FcCfgData;
563
Michael Reed05e8ec12006-01-13 14:31:54 -0600564#define MPT_RPORT_INFO_FLAGS_REGISTERED 0x01 /* rport registered */
565#define MPT_RPORT_INFO_FLAGS_MISSING 0x02 /* missing from DevPage0 scan */
Michael Reed05e8ec12006-01-13 14:31:54 -0600566
567/*
568 * data allocated for each fc rport device
569 */
570struct mptfc_rport_info
571{
572 struct list_head list;
573 struct fc_rport *rport;
Michael Reed3bc7bf12006-01-25 18:05:18 -0700574 struct scsi_target *starget;
Michael Reed05e8ec12006-01-13 14:31:54 -0600575 FCDevicePage0_t pg0;
576 u8 flags;
577};
578
Kashyap, Desai14d0f0b2009-05-29 16:37:04 +0530579typedef void (*MPT_ADD_SGE)(void *pAddr, u32 flagslength, dma_addr_t dma_addr);
580typedef void (*MPT_ADD_CHAIN)(void *pAddr, u8 next, u16 length,
581 dma_addr_t dma_addr);
582
Linus Torvalds1da177e2005-04-16 15:20:36 -0700583/*
584 * Adapter Structure - pci_dev specific. Maximum: MPT_MAX_ADAPTERS
585 */
586typedef struct _MPT_ADAPTER
587{
588 int id; /* Unique adapter id N {0,1,2,...} */
589 int pci_irq; /* This irq */
590 char name[MPT_NAME_LENGTH]; /* "iocN" */
Prakash, Sathyaef1d8df2007-07-17 14:18:41 +0530591 char prod_name[MPT_NAME_LENGTH]; /* "LSIFC9x9" */
Kashyap, Desai2f187862009-05-29 16:52:37 +0530592#ifdef CONFIG_FUSION_LOGGING
593 /* used in mpt_display_event_info */
594 char evStr[EVENT_DESCR_STR_SZ];
595#endif
Prakash, Sathyaedb90682007-07-17 14:39:14 +0530596 char board_name[16];
597 char board_assembly[16];
598 char board_tracer[16];
599 u16 nvdata_version_persistent;
600 u16 nvdata_version_default;
Prakash, Sathya5c1b91b2007-07-24 15:40:08 +0530601 int debug_level;
Prakash, Sathyaedb90682007-07-17 14:39:14 +0530602 u8 io_missing_delay;
603 u8 device_missing_delay;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700604 SYSIF_REGS __iomem *chip; /* == c8817000 (mmap) */
605 SYSIF_REGS __iomem *pio_chip; /* Programmed IO (downloadboot) */
606 u8 bus_type;
607 u32 mem_phys; /* == f4020000 (mmap) */
608 u32 pio_mem_phys; /* Programmed IO (downloadboot) */
609 int mem_size; /* mmap memory size */
Eric Moore793955f2007-01-29 09:42:20 -0700610 int number_of_buses;
611 int devices_per_bus;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700612 int alloc_total;
613 u32 last_state;
614 int active;
615 u8 *alloc; /* frames alloc ptr */
616 dma_addr_t alloc_dma;
617 u32 alloc_sz;
618 MPT_FRAME_HDR *reply_frames; /* Reply msg frames - rounded up! */
619 u32 reply_frames_low_dma;
620 int reply_depth; /* Num Allocated reply frames */
621 int reply_sz; /* Reply frame size */
622 int num_chain; /* Number of chain buffers */
Kashyap, Desai14d0f0b2009-05-29 16:37:04 +0530623 MPT_ADD_SGE add_sge; /* Pointer to add_sge
624 function */
625 MPT_ADD_CHAIN add_chain; /* Pointer to add_chain
626 function */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700627 /* Pool of buffers for chaining. ReqToChain
628 * and ChainToChain track index of chain buffers.
629 * ChainBuffer (DMA) virt/phys addresses.
630 * FreeChainQ (lock) locking mechanisms.
631 */
632 int *ReqToChain;
633 int *RequestNB;
634 int *ChainToChain;
635 u8 *ChainBuffer;
636 dma_addr_t ChainBufferDMA;
637 struct list_head FreeChainQ;
638 spinlock_t FreeChainQlock;
639 /* We (host driver) get to manage our own RequestQueue! */
640 dma_addr_t req_frames_dma;
641 MPT_FRAME_HDR *req_frames; /* Request msg frames - rounded up! */
642 u32 req_frames_low_dma;
643 int req_depth; /* Number of request frames */
644 int req_sz; /* Request frame size (bytes) */
645 spinlock_t FreeQlock;
646 struct list_head FreeQ;
647 /* Pool of SCSI sense buffers for commands coming from
648 * the SCSI mid-layer. We have one 256 byte sense buffer
649 * for each REQ entry.
650 */
651 u8 *sense_buf_pool;
652 dma_addr_t sense_buf_pool_dma;
653 u32 sense_buf_low_dma;
Christoph Hellwig82ffb6712005-09-09 16:25:54 +0200654 u8 *HostPageBuffer; /* SAS - host page buffer support */
655 u32 HostPageBuffer_sz;
656 dma_addr_t HostPageBuffer_dma;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700657 int mtrr_reg;
658 struct pci_dev *pcidev; /* struct pci_dev pointer */
Prakash, Sathyae78d5b82008-02-08 22:05:35 +0530659 int bars; /* bitmask of BAR's that must be configured */
Prakash, Sathya23a274c2008-03-07 15:53:21 +0530660 int msi_enable;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700661 u8 __iomem *memmap; /* mmap address */
662 struct Scsi_Host *sh; /* Scsi Host pointer */
Moore, Eric Dean466544d2005-09-14 18:09:10 -0600663 SpiCfgData spi_data; /* Scsi config. data */
664 RaidCfgData raid_data; /* Raid config. data */
Christoph Hellwig82ffb6712005-09-09 16:25:54 +0200665 SasCfgData sas_data; /* Sas config. data */
Michael Reedca2f9382006-05-24 15:07:24 -0500666 FcCfgData fc_data; /* Fc config. data */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700667 struct proc_dir_entry *ioc_dentry;
668 struct _MPT_ADAPTER *alt_ioc; /* ptr to 929 bound adapter port */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700669 u32 biosVersion; /* BIOS version from IO Unit Page 2 */
670 int eventTypes; /* Event logging parameters */
671 int eventContext; /* Next event context */
672 int eventLogSize; /* Max number of cached events */
673 struct _mpt_ioctl_events *events; /* pointer to event log */
674 u8 *cached_fw; /* Pointer to FW */
675 dma_addr_t cached_fw_dma;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700676 int hs_reply_idx;
677#ifndef MFCNT
678 u32 pad0;
679#else
680 u32 mfcnt;
681#endif
Christoph Hellwig82ffb6712005-09-09 16:25:54 +0200682 u32 NB_for_64_byte_frame;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700683 u32 hs_req[MPT_MAX_FRAME_SIZE/sizeof(u32)];
684 u16 hs_reply[MPT_MAX_FRAME_SIZE/sizeof(u16)];
685 IOCFactsReply_t facts;
686 PortFactsReply_t pfacts[2];
687 FCPortPage0_t fc_port_page0[2];
688 LANPage0_t lan_cnfg_page0;
689 LANPage1_t lan_cnfg_page1;
Eric Mooreb506ade2007-01-29 09:45:37 -0700690
691 u8 ir_firmware; /* =1 if IR firmware detected */
Christoph Hellwig82ffb6712005-09-09 16:25:54 +0200692 /*
Moore, Eric Dean 3fadc592005-05-11 17:46:52 -0600693 * Description: errata_flag_1064
694 * If a PCIX read occurs within 1 or 2 cycles after the chip receives
695 * a split completion for a read data, an internal address pointer incorrectly
696 * increments by 32 bytes
697 */
Christoph Hellwig82ffb6712005-09-09 16:25:54 +0200698 int errata_flag_1064;
Moore, Ericea5a7a82006-02-02 17:20:01 -0700699 int aen_event_read_flag; /* flag to indicate event log was read*/
Linus Torvalds1da177e2005-04-16 15:20:36 -0700700 u8 FirstWhoInit;
701 u8 upload_fw; /* If set, do a fw upload */
Christoph Hellwig82ffb6712005-09-09 16:25:54 +0200702 u8 NBShiftFactor; /* NB Shift Factor based on Block Size (Facts) */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700703 u8 pad1[4];
Prakash, Sathyaf606f572007-08-14 16:12:53 +0530704 u8 DoneCtx;
705 u8 TaskCtx;
706 u8 InternalCtx;
Christoph Hellwig82ffb6712005-09-09 16:25:54 +0200707 struct list_head list;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700708 struct net_device *netdev;
Christoph Hellwig82ffb6712005-09-09 16:25:54 +0200709 struct list_head sas_topology;
Christoph Hellwig9a28f492006-01-13 18:04:41 +0100710 struct mutex sas_topology_mutex;
Kashyap, Desai3eb0822c2009-05-29 16:47:26 +0530711
712 struct workqueue_struct *fw_event_q;
713 struct list_head fw_event_list;
714 spinlock_t fw_event_lock;
715 u8 fw_events_off; /* if '1', then ignore events */
Kashyap, Desai2f187862009-05-29 16:52:37 +0530716 char fw_event_q_name[MPT_KOBJ_NAME_LEN];
Kashyap, Desai3eb0822c2009-05-29 16:47:26 +0530717
Moore, Erice6b2d762006-03-14 09:14:24 -0700718 struct mutex sas_discovery_mutex;
719 u8 sas_discovery_runtime;
720 u8 sas_discovery_ignore_events;
Kashyap, Desaif9c34022009-05-29 16:49:36 +0530721
722 /* port_info object for the host */
723 struct mptsas_portinfo *hba_port_info;
724 u64 hba_port_sas_addr;
725 u16 hba_port_num_phy;
Kashyap, Desai3eb0822c2009-05-29 16:47:26 +0530726 struct list_head sas_device_info_list;
727 struct mutex sas_device_info_mutex;
Kashyap, Desaieedf92b2009-05-29 16:51:32 +0530728 u8 old_sas_discovery_protocal;
Kashyap, Desai7b5a65b2009-05-29 16:38:14 +0530729 u8 sas_discovery_quiesce_io;
Moore, Erice6b2d762006-03-14 09:14:24 -0700730 int sas_index; /* index refrencing */
Kashyap, Desaif0f09d32009-05-29 16:40:57 +0530731 MPT_MGMT sas_mgmt;
732 MPT_MGMT mptbase_cmds; /* for sending config pages */
Kashyap, Desai37c60f32009-05-29 16:44:06 +0530733 MPT_MGMT internal_cmds;
Kashyap, Desai1ba9ab22009-05-29 16:44:48 +0530734 MPT_MGMT taskmgmt_cmds;
Kashyap, Desaiea2a7882009-05-29 16:46:50 +0530735 MPT_MGMT ioctl_cmds;
Kashyap, Desai1ba9ab22009-05-29 16:44:48 +0530736 spinlock_t taskmgmt_lock; /* diagnostic reset lock */
737 int taskmgmt_in_progress;
Kashyap, Desaie7deff32009-05-29 16:46:07 +0530738 u8 taskmgmt_quiesce_io;
Kashyap, Desai1ba9ab22009-05-29 16:44:48 +0530739 u8 ioc_reset_in_progress;
Eric Moore547f9a22006-06-27 14:42:12 -0600740 struct work_struct sas_persist_task;
Michael Reed05e8ec12006-01-13 14:31:54 -0600741
Michael Reed419835e2006-05-24 15:07:40 -0500742 struct work_struct fc_setup_reset_work;
Michael Reed05e8ec12006-01-13 14:31:54 -0600743 struct list_head fc_rports;
Prakash, Sathyaeb5329f2007-08-14 16:19:32 +0530744 struct work_struct fc_lsc_work;
745 u8 fc_link_speed[2];
Michael Reed05e8ec12006-01-13 14:31:54 -0600746 spinlock_t fc_rescan_work_lock;
Michael Reed05e8ec12006-01-13 14:31:54 -0600747 struct work_struct fc_rescan_work;
Kashyap, Desai2f187862009-05-29 16:52:37 +0530748 char fc_rescan_work_q_name[MPT_KOBJ_NAME_LEN];
Moore, Eric65207fe2006-04-21 16:14:35 -0600749 struct workqueue_struct *fc_rescan_work_q;
Kashyap, Desai2f187862009-05-29 16:52:37 +0530750
751 /* driver forced bus resets count */
752 unsigned long hard_resets;
753 /* fw/external bus resets count */
754 unsigned long soft_resets;
755 /* cmd timeouts */
756 unsigned long timeouts;
757
Eric Mooree8206382007-09-29 10:16:53 -0600758 struct scsi_cmnd **ScsiLookup;
759 spinlock_t scsi_lookup_lock;
Kashyap, Desai14d0f0b2009-05-29 16:37:04 +0530760 u64 dma_mask;
Kashyap, Desai2f187862009-05-29 16:52:37 +0530761 char reset_work_q_name[MPT_KOBJ_NAME_LEN];
Prakash, Sathyad54d48b2008-05-21 01:02:18 +0530762 struct workqueue_struct *reset_work_q;
763 struct delayed_work fault_reset_work;
Prakash, Sathyad54d48b2008-05-21 01:02:18 +0530764
Kashyap, Desai14d0f0b2009-05-29 16:37:04 +0530765 u8 sg_addr_size;
Kashyap, Desaieedf92b2009-05-29 16:51:32 +0530766 u8 in_rescan;
Kashyap, Desai14d0f0b2009-05-29 16:37:04 +0530767 u8 SGE_size;
768
Linus Torvalds1da177e2005-04-16 15:20:36 -0700769} MPT_ADAPTER;
770
771/*
772 * New return value convention:
773 * 1 = Ok to free associated request frame
774 * 0 = not Ok ...
775 */
776typedef int (*MPT_CALLBACK)(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req, MPT_FRAME_HDR *reply);
777typedef int (*MPT_EVHANDLER)(MPT_ADAPTER *ioc, EventNotificationReply_t *evReply);
778typedef int (*MPT_RESETHANDLER)(MPT_ADAPTER *ioc, int reset_phase);
779/* reset_phase defs */
780#define MPT_IOC_PRE_RESET 0
781#define MPT_IOC_POST_RESET 1
782#define MPT_IOC_SETUP_RESET 2
783
784/*
785 * Invent MPT host event (super-set of MPI Events)
786 * Fitted to 1030's 64-byte [max] request frame size
787 */
788typedef struct _MPT_HOST_EVENT {
789 EventNotificationReply_t MpiEvent; /* 8 32-bit words! */
790 u32 pad[6];
791 void *next;
792} MPT_HOST_EVENT;
793
794#define MPT_HOSTEVENT_IOC_BRINGUP 0x91
795#define MPT_HOSTEVENT_IOC_RECOVER 0x92
796
797/* Define the generic types based on the size
798 * of the dma_addr_t type.
799 */
800typedef struct _mpt_sge {
801 u32 FlagsLength;
802 dma_addr_t Address;
803} MptSge_t;
804
Linus Torvalds1da177e2005-04-16 15:20:36 -0700805
Kashyap, Desai14d0f0b2009-05-29 16:37:04 +0530806#define mpt_msg_flags(ioc) \
807 (ioc->sg_addr_size == sizeof(u64)) ? \
808 MPI_SCSIIO_MSGFLGS_SENSE_WIDTH_64 : \
809 MPI_SCSIIO_MSGFLGS_SENSE_WIDTH_32
810
811#define MPT_SGE_FLAGS_64_BIT_ADDRESSING \
812 (MPI_SGE_FLAGS_64_BIT_ADDRESSING << MPI_SGE_FLAGS_SHIFT)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700813
814/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
815/*
816 * Funky (private) macros...
817 */
Prakash, Sathya5c1b91b2007-07-24 15:40:08 +0530818#include "mptdebug.h"
Linus Torvalds1da177e2005-04-16 15:20:36 -0700819
820#define MPT_INDEX_2_MFPTR(ioc,idx) \
821 (MPT_FRAME_HDR*)( (u8*)(ioc)->req_frames + (ioc)->req_sz * (idx) )
822
823#define MFPTR_2_MPT_INDEX(ioc,mf) \
824 (int)( ((u8*)mf - (u8*)(ioc)->req_frames) / (ioc)->req_sz )
825
826#define MPT_INDEX_2_RFPTR(ioc,idx) \
827 (MPT_FRAME_HDR*)( (u8*)(ioc)->reply_frames + (ioc)->req_sz * (idx) )
828
Linus Torvalds1da177e2005-04-16 15:20:36 -0700829/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
830
831#define SCSI_STD_SENSE_BYTES 18
832#define SCSI_STD_INQUIRY_BYTES 36
833#define SCSI_MAX_INQUIRY_BYTES 96
834
835/*
836 * MPT_SCSI_HOST defines - Used by the IOCTL and the SCSI drivers
837 * Private to the driver.
838 */
839/* LOCAL structure and fields used when processing
840 * internally generated commands. These include:
841 * bus scan, dv and config requests.
842 */
843typedef struct _MPT_LOCAL_REPLY {
844 ConfigPageHeader_t header;
845 int completion;
846 u8 sense[SCSI_STD_SENSE_BYTES];
847 u8 scsiStatus;
848 u8 skip;
849 u32 pad;
850} MPT_LOCAL_REPLY;
851
852#define MPT_HOST_BUS_UNKNOWN (0xFF)
853#define MPT_HOST_TOO_MANY_TM (0x05)
854#define MPT_HOST_NVRAM_INVALID (0xFFFFFFFF)
855#define MPT_HOST_NO_CHAIN (0xFFFFFFFF)
856#define MPT_NVRAM_MASK_TIMEOUT (0x000000FF)
857#define MPT_NVRAM_SYNC_MASK (0x0000FF00)
858#define MPT_NVRAM_SYNC_SHIFT (8)
859#define MPT_NVRAM_DISCONNECT_ENABLE (0x00010000)
860#define MPT_NVRAM_ID_SCAN_ENABLE (0x00020000)
861#define MPT_NVRAM_LUN_SCAN_ENABLE (0x00040000)
862#define MPT_NVRAM_TAG_QUEUE_ENABLE (0x00080000)
863#define MPT_NVRAM_WIDE_DISABLE (0x00100000)
864#define MPT_NVRAM_BOOT_CHOICE (0x00200000)
865
866/* The TM_STATE variable is used to provide strict single threading of TM
867 * requests as well as communicate TM error conditions.
868 */
869#define TM_STATE_NONE (0)
870#define TM_STATE_IN_PROGRESS (1)
871#define TM_STATE_ERROR (2)
872
873typedef enum {
874 FC,
Moore, Eric Deana9b29372005-11-16 18:54:20 -0700875 SPI,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700876 SAS
877} BUS_TYPE;
878
879typedef struct _MPT_SCSI_HOST {
880 MPT_ADAPTER *ioc;
881 int port;
882 u32 pad0;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700883 MPT_LOCAL_REPLY *pLocal; /* used for internal commands */
884 struct timer_list timer;
885 /* Pool of memory for holding SCpnts before doing
886 * OS callbacks. freeQ is the free pool.
887 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700888 u8 negoNvram; /* DV disabled, nego NVRAM */
889 u8 pad1;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700890 u8 rsvd[2];
891 MPT_FRAME_HDR *cmdPtr; /* Ptr to nonOS request */
892 struct scsi_cmnd *abortSCpnt;
893 MPT_LOCAL_REPLY localReply; /* internal cmd reply struct */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700894 ushort sel_timeout[MPT_MAX_FC_DEVICES];
Moore, Eric Dean 7fadc872005-04-22 18:01:16 -0400895 char *info_kbuf;
Moore, Eric Dean 7fadc872005-04-22 18:01:16 -0400896 long last_queue_full;
Eric Moore3dc0b032006-07-11 17:32:33 -0600897 u16 tm_iocstatus;
Eric Moore729782452007-02-07 16:51:40 -0700898 u16 spi_pending;
Eric Mooredf9e0622007-01-29 09:46:21 -0700899 struct list_head target_reset_list;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700900} MPT_SCSI_HOST;
901
902/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
903/*
904 * More Dynamic Multi-Pathing stuff...
905 */
906
907/* Forward decl, a strange C thing, to prevent gcc compiler warnings */
908struct scsi_cmnd;
909
910/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
911/*
912 * Generic structure passed to the base mpt_config function.
913 */
914typedef struct _x_config_parms {
Christoph Hellwig69218ee2005-08-18 16:26:15 +0200915 union {
916 ConfigExtendedPageHeader_t *ehdr;
917 ConfigPageHeader_t *hdr;
918 } cfghdr;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700919 dma_addr_t physAddr;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700920 u32 pageAddr; /* properly formatted */
Kashyap, Desaif0f09d32009-05-29 16:40:57 +0530921 u16 status;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700922 u8 action;
923 u8 dir;
924 u8 timeout; /* seconds */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700925} CONFIGPARMS;
926
927/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
928/*
929 * Public entry points...
930 */
Moore, Eric Dean 7fadc872005-04-22 18:01:16 -0400931extern int mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id);
932extern void mpt_detach(struct pci_dev *pdev);
933#ifdef CONFIG_PM
934extern int mpt_suspend(struct pci_dev *pdev, pm_message_t state);
935extern int mpt_resume(struct pci_dev *pdev);
936#endif
Prakash, Sathyaf606f572007-08-14 16:12:53 +0530937extern u8 mpt_register(MPT_CALLBACK cbfunc, MPT_DRIVER_CLASS dclass);
938extern void mpt_deregister(u8 cb_idx);
939extern int mpt_event_register(u8 cb_idx, MPT_EVHANDLER ev_cbfunc);
940extern void mpt_event_deregister(u8 cb_idx);
941extern int mpt_reset_register(u8 cb_idx, MPT_RESETHANDLER reset_func);
942extern void mpt_reset_deregister(u8 cb_idx);
943extern int mpt_device_driver_register(struct mpt_pci_driver * dd_cbfunc, u8 cb_idx);
944extern void mpt_device_driver_deregister(u8 cb_idx);
945extern MPT_FRAME_HDR *mpt_get_msg_frame(u8 cb_idx, MPT_ADAPTER *ioc);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700946extern void mpt_free_msg_frame(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf);
Prakash, Sathyaf606f572007-08-14 16:12:53 +0530947extern void mpt_put_msg_frame(u8 cb_idx, MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf);
948extern void mpt_put_msg_frame_hi_pri(u8 cb_idx, MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700949
Prakash, Sathyaf606f572007-08-14 16:12:53 +0530950extern int mpt_send_handshake_request(u8 cb_idx, MPT_ADAPTER *ioc, int reqBytes, u32 *req, int sleepFlag);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700951extern int mpt_verify_adapter(int iocid, MPT_ADAPTER **iocpp);
952extern u32 mpt_GetIocState(MPT_ADAPTER *ioc, int cooked);
953extern void mpt_print_ioc_summary(MPT_ADAPTER *ioc, char *buf, int *size, int len, int showlan);
954extern int mpt_HardResetHandler(MPT_ADAPTER *ioc, int sleepFlag);
955extern int mpt_config(MPT_ADAPTER *ioc, CONFIGPARMS *cfg);
Prakash, Sathya984621b2008-01-11 14:42:17 +0530956extern int mpt_alloc_fw_memory(MPT_ADAPTER *ioc, int size);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700957extern void mpt_free_fw_memory(MPT_ADAPTER *ioc);
958extern int mpt_findImVolumes(MPT_ADAPTER *ioc);
Christoph Hellwig82ffb6712005-09-09 16:25:54 +0200959extern int mptbase_sas_persist_operation(MPT_ADAPTER *ioc, u8 persist_opcode);
Eric Mooreb506ade2007-01-29 09:45:37 -0700960extern int mpt_raid_phys_disk_pg0(MPT_ADAPTER *ioc, u8 phys_disk_num, pRaidPhysDiskPage0_t phys_disk);
Kashyap, Desai1ba9ab22009-05-29 16:44:48 +0530961extern int mpt_set_taskmgmt_in_progress_flag(MPT_ADAPTER *ioc);
962extern void mpt_clear_taskmgmt_in_progress_flag(MPT_ADAPTER *ioc);
Kashyap, Desai2f4c7822009-01-06 15:03:37 +0530963extern void mpt_halt_firmware(MPT_ADAPTER *ioc);
964
Linus Torvalds1da177e2005-04-16 15:20:36 -0700965
966/*
967 * Public data decl's...
968 */
969extern struct list_head ioc_list;
Kashyap, Desai2f4c7822009-01-06 15:03:37 +0530970extern int mpt_fwfault_debug;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700971
Linus Torvalds1da177e2005-04-16 15:20:36 -0700972/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
973#endif /* } __KERNEL__ */
974
Kyle McMartin2939dea2007-10-17 12:25:00 -0400975#ifdef CONFIG_64BIT
Linus Torvalds1da177e2005-04-16 15:20:36 -0700976#define CAST_U32_TO_PTR(x) ((void *)(u64)x)
977#define CAST_PTR_TO_U32(x) ((u32)(u64)x)
978#else
979#define CAST_U32_TO_PTR(x) ((void *)x)
980#define CAST_PTR_TO_U32(x) ((u32)x)
981#endif
982
983#define MPT_PROTOCOL_FLAGS_c_c_c_c(pflags) \
984 ((pflags) & MPI_PORTFACTS_PROTOCOL_INITIATOR) ? 'I' : 'i', \
985 ((pflags) & MPI_PORTFACTS_PROTOCOL_TARGET) ? 'T' : 't', \
986 ((pflags) & MPI_PORTFACTS_PROTOCOL_LAN) ? 'L' : 'l', \
987 ((pflags) & MPI_PORTFACTS_PROTOCOL_LOGBUSADDR) ? 'B' : 'b'
988
989/*
990 * Shifted SGE Defines - Use in SGE with FlagsLength member.
991 * Otherwise, use MPI_xxx defines (refer to "lsi/mpi.h" header).
992 * Defaults: 32 bit SGE, SYSTEM_ADDRESS if direction bit is 0, read
993 */
994#define MPT_TRANSFER_IOC_TO_HOST (0x00000000)
995#define MPT_TRANSFER_HOST_TO_IOC (0x04000000)
996#define MPT_SGE_FLAGS_LAST_ELEMENT (0x80000000)
997#define MPT_SGE_FLAGS_END_OF_BUFFER (0x40000000)
998#define MPT_SGE_FLAGS_LOCAL_ADDRESS (0x08000000)
999#define MPT_SGE_FLAGS_DIRECTION (0x04000000)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001000#define MPT_SGE_FLAGS_END_OF_LIST (0x01000000)
1001
1002#define MPT_SGE_FLAGS_TRANSACTION_ELEMENT (0x00000000)
1003#define MPT_SGE_FLAGS_SIMPLE_ELEMENT (0x10000000)
1004#define MPT_SGE_FLAGS_CHAIN_ELEMENT (0x30000000)
1005#define MPT_SGE_FLAGS_ELEMENT_MASK (0x30000000)
1006
1007#define MPT_SGE_FLAGS_SSIMPLE_READ \
1008 (MPT_SGE_FLAGS_LAST_ELEMENT | \
1009 MPT_SGE_FLAGS_END_OF_BUFFER | \
1010 MPT_SGE_FLAGS_END_OF_LIST | \
1011 MPT_SGE_FLAGS_SIMPLE_ELEMENT | \
Linus Torvalds1da177e2005-04-16 15:20:36 -07001012 MPT_TRANSFER_IOC_TO_HOST)
1013#define MPT_SGE_FLAGS_SSIMPLE_WRITE \
1014 (MPT_SGE_FLAGS_LAST_ELEMENT | \
1015 MPT_SGE_FLAGS_END_OF_BUFFER | \
1016 MPT_SGE_FLAGS_END_OF_LIST | \
1017 MPT_SGE_FLAGS_SIMPLE_ELEMENT | \
Linus Torvalds1da177e2005-04-16 15:20:36 -07001018 MPT_TRANSFER_HOST_TO_IOC)
1019
1020/*}-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1021#endif
1022