blob: a4afad4ecab23ef09ac190a5e33fdb6554cdce54 [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
6 * running LSI Logic Fusion MPT (Message Passing Technology) firmware.
7 *
Moore, Eric Dean 7fadc872005-04-22 18:01:16 -04008 * Copyright (c) 1999-2005 LSI Logic Corporation
Linus Torvalds1da177e2005-04-16 15:20:36 -07009 * (mailto:mpt_linux_developer@lsil.com)
10 *
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>
54
55#include "lsi/mpi_type.h"
56#include "lsi/mpi.h" /* Fusion MPI(nterface) basic defs */
57#include "lsi/mpi_ioc.h" /* Fusion MPT IOC(ontroller) defs */
58#include "lsi/mpi_cnfg.h" /* IOC configuration support */
59#include "lsi/mpi_init.h" /* SCSI Host (initiator) protocol support */
60#include "lsi/mpi_lan.h" /* LAN over FC protocol support */
61#include "lsi/mpi_raid.h" /* Integrated Mirroring support */
62
63#include "lsi/mpi_fc.h" /* Fibre Channel (lowlevel) support */
64#include "lsi/mpi_targ.h" /* SCSI/FCP Target protcol support */
65#include "lsi/mpi_tool.h" /* Tools support */
Christoph Hellwig82ffb6712005-09-09 16:25:54 +020066#include "lsi/mpi_sas.h" /* SAS support */
Linus Torvalds1da177e2005-04-16 15:20:36 -070067
68/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
69
70#ifndef MODULEAUTHOR
71#define MODULEAUTHOR "LSI Logic Corporation"
72#endif
73
74#ifndef COPYRIGHT
Moore, Eric Dean 7fadc872005-04-22 18:01:16 -040075#define COPYRIGHT "Copyright (c) 1999-2005 " MODULEAUTHOR
Linus Torvalds1da177e2005-04-16 15:20:36 -070076#endif
77
Michael Reed35508e42006-10-06 15:39:25 -050078#define MPT_LINUX_VERSION_COMMON "3.04.02"
79#define MPT_LINUX_PACKAGE_NAME "@(#)mptlinux-3.04.02"
Linus Torvalds1da177e2005-04-16 15:20:36 -070080#define WHAT_MAGIC_STRING "@" "(" "#" ")"
81
82#define show_mptmod_ver(s,ver) \
83 printk(KERN_INFO "%s %s\n", s, ver);
84
85/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
86/*
87 * Fusion MPT(linux) driver configurable stuff...
88 */
89#define MPT_MAX_ADAPTERS 18
90#define MPT_MAX_PROTOCOL_DRIVERS 16
91#define MPT_MAX_BUS 1 /* Do not change */
92#define MPT_MAX_FC_DEVICES 255
93#define MPT_MAX_SCSI_DEVICES 16
94#define MPT_LAST_LUN 255
95#define MPT_SENSE_BUFFER_ALLOC 64
96 /* allow for 256 max sense alloc, but only 255 max request */
97#if MPT_SENSE_BUFFER_ALLOC >= 256
98# undef MPT_SENSE_BUFFER_ALLOC
99# define MPT_SENSE_BUFFER_ALLOC 256
100# define MPT_SENSE_BUFFER_SIZE 255
101#else
102# define MPT_SENSE_BUFFER_SIZE MPT_SENSE_BUFFER_ALLOC
103#endif
104
105#define MPT_NAME_LENGTH 32
106
107#define MPT_PROCFS_MPTBASEDIR "mpt"
108 /* chg it to "driver/fusion" ? */
109#define MPT_PROCFS_SUMMARY_ALL_NODE MPT_PROCFS_MPTBASEDIR "/summary"
110#define MPT_PROCFS_SUMMARY_ALL_PATHNAME "/proc/" MPT_PROCFS_SUMMARY_ALL_NODE
111#define MPT_FW_REV_MAGIC_ID_STRING "FwRev="
112
113#define MPT_MAX_REQ_DEPTH 1023
114#define MPT_DEFAULT_REQ_DEPTH 256
115#define MPT_MIN_REQ_DEPTH 128
116
117#define MPT_MAX_REPLY_DEPTH MPT_MAX_REQ_DEPTH
118#define MPT_DEFAULT_REPLY_DEPTH 128
119#define MPT_MIN_REPLY_DEPTH 8
120#define MPT_MAX_REPLIES_PER_ISR 32
121
122#define MPT_MAX_FRAME_SIZE 128
123#define MPT_DEFAULT_FRAME_SIZE 128
124
Moore, Eric928496a2006-01-16 18:53:16 -0700125#define MPT_REPLY_FRAME_SIZE 0x50 /* Must be a multiple of 8 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700126
127#define MPT_SG_REQ_128_SCALE 1
128#define MPT_SG_REQ_96_SCALE 2
129#define MPT_SG_REQ_64_SCALE 4
130
131#define CAN_SLEEP 1
132#define NO_SLEEP 0
133
134#define MPT_COALESCING_TIMEOUT 0x10
135
136/*
137 * SCSI transfer rate defines.
138 */
139#define MPT_ULTRA320 0x08
140#define MPT_ULTRA160 0x09
141#define MPT_ULTRA2 0x0A
142#define MPT_ULTRA 0x0C
143#define MPT_FAST 0x19
144#define MPT_SCSI 0x32
145#define MPT_ASYNC 0xFF
146
147#define MPT_NARROW 0
148#define MPT_WIDE 1
149
150#define C0_1030 0x08
151#define XL_929 0x01
152
153
154/*
155 * Try to keep these at 2^N-1
156 */
157#define MPT_FC_CAN_QUEUE 127
158#define MPT_SCSI_CAN_QUEUE 127
159
160/*
161 * Set the MAX_SGE value based on user input.
162 */
163#ifdef CONFIG_FUSION_MAX_SGE
164#if CONFIG_FUSION_MAX_SGE < 16
165#define MPT_SCSI_SG_DEPTH 16
166#elif CONFIG_FUSION_MAX_SGE > 128
167#define MPT_SCSI_SG_DEPTH 128
168#else
169#define MPT_SCSI_SG_DEPTH CONFIG_FUSION_MAX_SGE
170#endif
171#else
172#define MPT_SCSI_SG_DEPTH 40
173#endif
174
175#ifdef __KERNEL__ /* { */
176/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
177
178#include <linux/proc_fs.h>
179
180/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
181/*
182 * Attempt semi-consistent error & warning msgs across
183 * MPT drivers. NOTE: Users of these macro defs must
184 * themselves define their own MYNAM.
185 */
186#define MYIOC_s_INFO_FMT KERN_INFO MYNAM ": %s: "
187#define MYIOC_s_NOTE_FMT KERN_NOTICE MYNAM ": %s: "
188#define MYIOC_s_WARN_FMT KERN_WARNING MYNAM ": %s: WARNING - "
189#define MYIOC_s_ERR_FMT KERN_ERR MYNAM ": %s: ERROR - "
190
191/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
192/*
193 * MPT protocol driver defs...
194 */
195typedef enum {
196 MPTBASE_DRIVER, /* MPT base class */
197 MPTCTL_DRIVER, /* MPT ioctl class */
Moore, Eric Dean 7fadc872005-04-22 18:01:16 -0400198 MPTSPI_DRIVER, /* MPT SPI host class */
199 MPTFC_DRIVER, /* MPT FC host class */
200 MPTSAS_DRIVER, /* MPT SAS host class */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700201 MPTLAN_DRIVER, /* MPT LAN class */
202 MPTSTM_DRIVER, /* MPT SCSI target mode class */
203 MPTUNKNOWN_DRIVER
204} MPT_DRIVER_CLASS;
205
206struct mpt_pci_driver{
207 int (*probe) (struct pci_dev *dev, const struct pci_device_id *id);
208 void (*remove) (struct pci_dev *dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700209};
210
211/*
212 * MPT adapter / port / bus / device info structures...
213 */
214
215typedef union _MPT_FRAME_TRACKER {
216 struct {
217 struct list_head list;
218 u32 arg1;
219 u32 pad;
220 void *argp1;
221 } linkage;
222 /*
223 * NOTE: When request frames are free, on the linkage structure
224 * contets are valid. All other values are invalid.
225 * In particular, do NOT reply on offset [2]
226 * (in words) being the * message context.
227 * The message context must be reset (computed via base address
228 * + an offset) prior to issuing any command.
229 *
230 * NOTE2: On non-32-bit systems, where pointers are LARGE,
231 * using the linkage pointers destroys our sacred MsgContext
232 * field contents. But we don't care anymore because these
233 * are now reset in mpt_put_msg_frame() just prior to sending
234 * a request off to the IOC.
235 */
236 struct {
237 u32 __hdr[2];
238 /*
239 * The following _MUST_ match the location of the
240 * MsgContext field in the MPT message headers.
241 */
242 union {
243 u32 MsgContext;
244 struct {
245 u16 req_idx; /* Request index */
246 u8 cb_idx; /* callback function index */
247 u8 rsvd;
248 } fld;
249 } msgctxu;
250 } hwhdr;
251 /*
252 * Remark: 32 bit identifier:
253 * 31-24: reserved
254 * 23-16: call back index
255 * 15-0 : request index
256 */
257} MPT_FRAME_TRACKER;
258
259/*
260 * We might want to view/access a frame as:
261 * 1) generic request header
262 * 2) SCSIIORequest
263 * 3) SCSIIOReply
264 * 4) MPIDefaultReply
265 * 5) frame tracker
266 */
267typedef struct _MPT_FRAME_HDR {
268 union {
269 MPIHeader_t hdr;
270 SCSIIORequest_t scsireq;
271 SCSIIOReply_t sreply;
272 ConfigReply_t configreply;
273 MPIDefaultReply_t reply;
274 MPT_FRAME_TRACKER frame;
275 } u;
276} MPT_FRAME_HDR;
277
278#define MPT_REQ_MSGFLAGS_DROPME 0x80
279
280typedef struct _MPT_SGL_HDR {
281 SGESimple32_t sge[1];
282} MPT_SGL_HDR;
283
284typedef struct _MPT_SGL64_HDR {
285 SGESimple64_t sge[1];
286} MPT_SGL64_HDR;
287
288/*
289 * System interface register set
290 */
291
292typedef struct _SYSIF_REGS
293{
294 u32 Doorbell; /* 00 System<->IOC Doorbell reg */
295 u32 WriteSequence; /* 04 Write Sequence register */
296 u32 Diagnostic; /* 08 Diagnostic register */
297 u32 TestBase; /* 0C Test Base Address */
298 u32 DiagRwData; /* 10 Read Write Data (fw download) */
299 u32 DiagRwAddress; /* 14 Read Write Address (fw download)*/
300 u32 Reserved1[6]; /* 18-2F reserved for future use */
301 u32 IntStatus; /* 30 Interrupt Status */
302 u32 IntMask; /* 34 Interrupt Mask */
303 u32 Reserved2[2]; /* 38-3F reserved for future use */
304 u32 RequestFifo; /* 40 Request Post/Free FIFO */
305 u32 ReplyFifo; /* 44 Reply Post/Free FIFO */
306 u32 Reserved3[2]; /* 48-4F reserved for future use */
307 u32 HostIndex; /* 50 Host Index register */
308 u32 Reserved4[15]; /* 54-8F */
309 u32 Fubar; /* 90 For Fubar usage */
Eric Moore3dc0b032006-07-11 17:32:33 -0600310 u32 Reserved5[1050];/* 94-10F8 */
311 u32 Reset_1078; /* 10FC Reset 1078 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700312} SYSIF_REGS;
313
314/*
315 * NOTE: Use MPI_{DOORBELL,WRITESEQ,DIAG}_xxx defs in lsi/mpi.h
316 * in conjunction with SYSIF_REGS accesses!
317 */
318
319
320/*
321 * Dynamic Multi-Pathing specific stuff...
322 */
323
Moore, Eric Deanc7c82982005-11-16 18:54:25 -0700324/* VirtTarget negoFlags field */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700325#define MPT_TARGET_NO_NEGO_WIDE 0x01
326#define MPT_TARGET_NO_NEGO_SYNC 0x02
327#define MPT_TARGET_NO_NEGO_QAS 0x04
328#define MPT_TAPE_NEGO_IDP 0x08
329
330/*
331 * VirtDevice - FC LUN device or SCSI target device
332 */
Moore, Eric Deanc7c82982005-11-16 18:54:25 -0700333typedef struct _VirtTarget {
James Bottomleyc92f2222006-03-01 09:02:49 -0600334 struct scsi_target *starget;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700335 u8 tflags;
336 u8 ioc_id;
337 u8 target_id;
338 u8 bus_id;
339 u8 minSyncFactor; /* 0xFF is async */
340 u8 maxOffset; /* 0 if async */
341 u8 maxWidth; /* 0 if narrow, 1 if wide */
342 u8 negoFlags; /* bit field, see above */
343 u8 raidVolume; /* set, if RAID Volume */
344 u8 type; /* byte 0 of Inquiry data */
Eric Moore547f9a22006-06-27 14:42:12 -0600345 u8 deleted; /* target in process of being removed */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700346 u32 num_luns;
347 u32 luns[8]; /* Max LUNs is 256 */
Moore, Eric Deanc7c82982005-11-16 18:54:25 -0700348} VirtTarget;
349
350typedef struct _VirtDevice {
Moore, Eric914c2d82006-03-14 09:19:36 -0700351 VirtTarget *vtarget;
Moore, Eric Deanc7c82982005-11-16 18:54:25 -0700352 u8 configured_lun;
353 u32 lun;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700354} VirtDevice;
355
356/*
357 * Fibre Channel (SCSI) target device and associated defines...
358 */
359#define MPT_TARGET_DEFAULT_DV_STATUS 0x00
360#define MPT_TARGET_FLAGS_VALID_NEGO 0x01
361#define MPT_TARGET_FLAGS_VALID_INQUIRY 0x02
362#define MPT_TARGET_FLAGS_Q_YES 0x08
363#define MPT_TARGET_FLAGS_VALID_56 0x10
364#define MPT_TARGET_FLAGS_SAF_TE_ISSUED 0x20
James Bottomleyc92f2222006-03-01 09:02:49 -0600365#define MPT_TARGET_FLAGS_RAID_COMPONENT 0x40
Eric Moore786899b2006-07-11 17:22:22 -0600366#define MPT_TARGET_FLAGS_LED_ON 0x80
Linus Torvalds1da177e2005-04-16 15:20:36 -0700367
368/*
369 * /proc/mpt interface
370 */
371typedef struct {
372 const char *name;
373 mode_t mode;
374 int pad;
375 read_proc_t *read_proc;
376 write_proc_t *write_proc;
377} mpt_proc_entry_t;
378
379#define MPT_PROC_READ_RETURN(buf,start,offset,request,eof,len) \
380do { \
381 len -= offset; \
382 if (len < request) { \
383 *eof = 1; \
384 if (len <= 0) \
385 return 0; \
386 } else \
387 len = request; \
388 *start = buf + offset; \
389 return len; \
390} while (0)
391
392
393/*
394 * IOCTL structure and associated defines
395 */
396
397#define MPT_IOCTL_STATUS_DID_IOCRESET 0x01 /* IOC Reset occurred on the current*/
398#define MPT_IOCTL_STATUS_RF_VALID 0x02 /* The Reply Frame is VALID */
399#define MPT_IOCTL_STATUS_TIMER_ACTIVE 0x04 /* The timer is running */
400#define MPT_IOCTL_STATUS_SENSE_VALID 0x08 /* Sense data is valid */
401#define MPT_IOCTL_STATUS_COMMAND_GOOD 0x10 /* Command Status GOOD */
402#define MPT_IOCTL_STATUS_TMTIMER_ACTIVE 0x20 /* The TM timer is running */
403#define MPT_IOCTL_STATUS_TM_FAILED 0x40 /* User TM request failed */
404
405#define MPTCTL_RESET_OK 0x01 /* Issue Bus Reset */
406
407typedef struct _MPT_IOCTL {
408 struct _MPT_ADAPTER *ioc;
409 u8 ReplyFrame[MPT_DEFAULT_FRAME_SIZE]; /* reply frame data */
410 u8 sense[MPT_SENSE_BUFFER_ALLOC];
411 int wait_done; /* wake-up value for this ioc */
412 u8 rsvd;
413 u8 status; /* current command status */
414 u8 reset; /* 1 if bus reset allowed */
415 u8 target; /* target for reset */
Christoph Hellwigeeb846c2006-01-13 18:27:11 +0100416 struct mutex ioctl_mutex;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700417} MPT_IOCTL;
418
Christoph Hellwigda4fa652005-10-19 20:01:42 +0200419#define MPT_SAS_MGMT_STATUS_RF_VALID 0x02 /* The Reply Frame is VALID */
420#define MPT_SAS_MGMT_STATUS_COMMAND_GOOD 0x10 /* Command Status GOOD */
421#define MPT_SAS_MGMT_STATUS_TM_FAILED 0x40 /* User TM request failed */
422
423typedef struct _MPT_SAS_MGMT {
Christoph Hellwigeeb846c2006-01-13 18:27:11 +0100424 struct mutex mutex;
Christoph Hellwigda4fa652005-10-19 20:01:42 +0200425 struct completion done;
426 u8 reply[MPT_DEFAULT_FRAME_SIZE]; /* reply frame data */
427 u8 status; /* current command status */
428}MPT_SAS_MGMT;
429
Linus Torvalds1da177e2005-04-16 15:20:36 -0700430/*
431 * Event Structure and define
432 */
Moore, Eric Dean466544d2005-09-14 18:09:10 -0600433#define MPTCTL_EVENT_LOG_SIZE (0x000000032)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700434typedef struct _mpt_ioctl_events {
435 u32 event; /* Specified by define above */
436 u32 eventContext; /* Index or counter */
437 int data[2]; /* First 8 bytes of Event Data */
438} MPT_IOCTL_EVENTS;
439
440/*
441 * CONFIGPARM status defines
442 */
443#define MPT_CONFIG_GOOD MPI_IOCSTATUS_SUCCESS
444#define MPT_CONFIG_ERROR 0x002F
445
446/*
447 * Substructure to store SCSI specific configuration page data
448 */
449 /* dvStatus defines: */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700450#define MPT_SCSICFG_USE_NVRAM 0x01 /* WriteSDP1 using NVRAM */
451#define MPT_SCSICFG_ALL_IDS 0x02 /* WriteSDP1 to all IDS */
452/* #define MPT_SCSICFG_BLK_NEGO 0x10 WriteSDP1 with WDTR and SDTR disabled */
453
Moore, Eric Dean466544d2005-09-14 18:09:10 -0600454typedef struct _SpiCfgData {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700455 u32 PortFlags;
456 int *nvram; /* table of device NVRAM values */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700457 IOCPage4_t *pIocPg4; /* SEP devices addressing */
458 dma_addr_t IocPg4_dma; /* Phys Addr of IOCPage4 data */
459 int IocPg4Sz; /* IOCPage4 size */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700460 u8 minSyncFactor; /* 0xFF if async */
461 u8 maxSyncOffset; /* 0 if async */
462 u8 maxBusWidth; /* 0 if narrow, 1 if wide */
463 u8 busType; /* SE, LVD, HD */
464 u8 sdp1version; /* SDP1 version */
465 u8 sdp1length; /* SDP1 length */
466 u8 sdp0version; /* SDP0 version */
467 u8 sdp0length; /* SDP0 length */
468 u8 dvScheduled; /* 1 if scheduled */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700469 u8 noQas; /* Disable QAS for this adapter */
Moore, Eric Dean466544d2005-09-14 18:09:10 -0600470 u8 Saf_Te; /* 1 to force all Processors as
471 * SAF-TE if Inquiry data length
472 * is too short to check for SAF-TE
473 */
Moore, Eric Dean466544d2005-09-14 18:09:10 -0600474 u8 bus_reset; /* 1 to allow bus reset */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700475 u8 rsvd[1];
Moore, Eric Dean466544d2005-09-14 18:09:10 -0600476}SpiCfgData;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700477
Christoph Hellwig82ffb6712005-09-09 16:25:54 +0200478typedef struct _SasCfgData {
479 u8 ptClear; /* 1 to automatically clear the
480 * persistent table.
481 * 0 to disable
482 * automatic clearing.
483 */
484}SasCfgData;
485
Moore, Eric Dean466544d2005-09-14 18:09:10 -0600486typedef struct _RaidCfgData {
487 IOCPage2_t *pIocPg2; /* table of Raid Volumes */
488 IOCPage3_t *pIocPg3; /* table of physical disks */
489 int isRaid; /* bit field, 1 if RAID */
490}RaidCfgData;
491
Michael Reedca2f9382006-05-24 15:07:24 -0500492typedef struct _FcCfgData {
493 /* will ultimately hold fc_port_page0 also */
494 struct {
495 FCPortPage1_t *data;
496 dma_addr_t dma;
497 int pg_sz;
498 } fc_port_page1[2];
499} FcCfgData;
500
Michael Reed05e8ec12006-01-13 14:31:54 -0600501#define MPT_RPORT_INFO_FLAGS_REGISTERED 0x01 /* rport registered */
502#define MPT_RPORT_INFO_FLAGS_MISSING 0x02 /* missing from DevPage0 scan */
Michael Reed05e8ec12006-01-13 14:31:54 -0600503
504/*
505 * data allocated for each fc rport device
506 */
507struct mptfc_rport_info
508{
509 struct list_head list;
510 struct fc_rport *rport;
Michael Reed3bc7bf12006-01-25 18:05:18 -0700511 struct scsi_target *starget;
Michael Reed05e8ec12006-01-13 14:31:54 -0600512 FCDevicePage0_t pg0;
513 u8 flags;
514};
515
Linus Torvalds1da177e2005-04-16 15:20:36 -0700516/*
517 * Adapter Structure - pci_dev specific. Maximum: MPT_MAX_ADAPTERS
518 */
519typedef struct _MPT_ADAPTER
520{
521 int id; /* Unique adapter id N {0,1,2,...} */
522 int pci_irq; /* This irq */
523 char name[MPT_NAME_LENGTH]; /* "iocN" */
524 char *prod_name; /* "LSIFC9x9" */
525 SYSIF_REGS __iomem *chip; /* == c8817000 (mmap) */
526 SYSIF_REGS __iomem *pio_chip; /* Programmed IO (downloadboot) */
527 u8 bus_type;
528 u32 mem_phys; /* == f4020000 (mmap) */
529 u32 pio_mem_phys; /* Programmed IO (downloadboot) */
530 int mem_size; /* mmap memory size */
531 int alloc_total;
532 u32 last_state;
533 int active;
534 u8 *alloc; /* frames alloc ptr */
535 dma_addr_t alloc_dma;
536 u32 alloc_sz;
537 MPT_FRAME_HDR *reply_frames; /* Reply msg frames - rounded up! */
538 u32 reply_frames_low_dma;
539 int reply_depth; /* Num Allocated reply frames */
540 int reply_sz; /* Reply frame size */
541 int num_chain; /* Number of chain buffers */
542 /* Pool of buffers for chaining. ReqToChain
543 * and ChainToChain track index of chain buffers.
544 * ChainBuffer (DMA) virt/phys addresses.
545 * FreeChainQ (lock) locking mechanisms.
546 */
547 int *ReqToChain;
548 int *RequestNB;
549 int *ChainToChain;
550 u8 *ChainBuffer;
551 dma_addr_t ChainBufferDMA;
552 struct list_head FreeChainQ;
553 spinlock_t FreeChainQlock;
554 /* We (host driver) get to manage our own RequestQueue! */
555 dma_addr_t req_frames_dma;
556 MPT_FRAME_HDR *req_frames; /* Request msg frames - rounded up! */
557 u32 req_frames_low_dma;
558 int req_depth; /* Number of request frames */
559 int req_sz; /* Request frame size (bytes) */
560 spinlock_t FreeQlock;
561 struct list_head FreeQ;
562 /* Pool of SCSI sense buffers for commands coming from
563 * the SCSI mid-layer. We have one 256 byte sense buffer
564 * for each REQ entry.
565 */
566 u8 *sense_buf_pool;
567 dma_addr_t sense_buf_pool_dma;
568 u32 sense_buf_low_dma;
Christoph Hellwig82ffb6712005-09-09 16:25:54 +0200569 u8 *HostPageBuffer; /* SAS - host page buffer support */
570 u32 HostPageBuffer_sz;
571 dma_addr_t HostPageBuffer_dma;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700572 int mtrr_reg;
573 struct pci_dev *pcidev; /* struct pci_dev pointer */
574 u8 __iomem *memmap; /* mmap address */
575 struct Scsi_Host *sh; /* Scsi Host pointer */
Moore, Eric Dean466544d2005-09-14 18:09:10 -0600576 SpiCfgData spi_data; /* Scsi config. data */
577 RaidCfgData raid_data; /* Raid config. data */
Christoph Hellwig82ffb6712005-09-09 16:25:54 +0200578 SasCfgData sas_data; /* Sas config. data */
Michael Reedca2f9382006-05-24 15:07:24 -0500579 FcCfgData fc_data; /* Fc config. data */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700580 MPT_IOCTL *ioctl; /* ioctl data pointer */
581 struct proc_dir_entry *ioc_dentry;
582 struct _MPT_ADAPTER *alt_ioc; /* ptr to 929 bound adapter port */
583 spinlock_t diagLock; /* diagnostic reset lock */
584 int diagPending;
585 u32 biosVersion; /* BIOS version from IO Unit Page 2 */
586 int eventTypes; /* Event logging parameters */
587 int eventContext; /* Next event context */
588 int eventLogSize; /* Max number of cached events */
589 struct _mpt_ioctl_events *events; /* pointer to event log */
590 u8 *cached_fw; /* Pointer to FW */
591 dma_addr_t cached_fw_dma;
592 struct list_head configQ; /* linked list of config. requests */
593 int hs_reply_idx;
594#ifndef MFCNT
595 u32 pad0;
596#else
597 u32 mfcnt;
598#endif
Christoph Hellwig82ffb6712005-09-09 16:25:54 +0200599 u32 NB_for_64_byte_frame;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700600 u32 hs_req[MPT_MAX_FRAME_SIZE/sizeof(u32)];
601 u16 hs_reply[MPT_MAX_FRAME_SIZE/sizeof(u16)];
602 IOCFactsReply_t facts;
603 PortFactsReply_t pfacts[2];
604 FCPortPage0_t fc_port_page0[2];
Christoph Hellwig82ffb6712005-09-09 16:25:54 +0200605 struct timer_list persist_timer; /* persist table timer */
606 int persist_wait_done; /* persist completion flag */
607 u8 persist_reply_frame[MPT_DEFAULT_FRAME_SIZE]; /* persist reply */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700608 LANPage0_t lan_cnfg_page0;
609 LANPage1_t lan_cnfg_page1;
Christoph Hellwig82ffb6712005-09-09 16:25:54 +0200610 /*
Moore, Eric Dean 3fadc592005-05-11 17:46:52 -0600611 * Description: errata_flag_1064
612 * If a PCIX read occurs within 1 or 2 cycles after the chip receives
613 * a split completion for a read data, an internal address pointer incorrectly
614 * increments by 32 bytes
615 */
Christoph Hellwig82ffb6712005-09-09 16:25:54 +0200616 int errata_flag_1064;
Moore, Ericea5a7a82006-02-02 17:20:01 -0700617 int aen_event_read_flag; /* flag to indicate event log was read*/
Linus Torvalds1da177e2005-04-16 15:20:36 -0700618 u8 FirstWhoInit;
619 u8 upload_fw; /* If set, do a fw upload */
620 u8 reload_fw; /* Force a FW Reload on next reset */
Christoph Hellwig82ffb6712005-09-09 16:25:54 +0200621 u8 NBShiftFactor; /* NB Shift Factor based on Block Size (Facts) */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700622 u8 pad1[4];
Moore, Eric Dean 7fadc872005-04-22 18:01:16 -0400623 int DoneCtx;
624 int TaskCtx;
625 int InternalCtx;
Moore, Eric Dean2a238ea2005-12-01 10:50:32 -0700626 spinlock_t initializing_hba_lock;
627 int initializing_hba_lock_flag;
Christoph Hellwig82ffb6712005-09-09 16:25:54 +0200628 struct list_head list;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700629 struct net_device *netdev;
Christoph Hellwig82ffb6712005-09-09 16:25:54 +0200630 struct list_head sas_topology;
Christoph Hellwig9a28f492006-01-13 18:04:41 +0100631 struct mutex sas_topology_mutex;
Moore, Erice6b2d762006-03-14 09:14:24 -0700632 struct mutex sas_discovery_mutex;
633 u8 sas_discovery_runtime;
634 u8 sas_discovery_ignore_events;
James Bottomley2686de22006-06-30 12:54:02 -0500635 u16 handle;
Moore, Erice6b2d762006-03-14 09:14:24 -0700636 int sas_index; /* index refrencing */
Christoph Hellwigda4fa652005-10-19 20:01:42 +0200637 MPT_SAS_MGMT sas_mgmt;
Eric Moore547f9a22006-06-27 14:42:12 -0600638 struct work_struct sas_persist_task;
Michael Reed05e8ec12006-01-13 14:31:54 -0600639
Michael Reed419835e2006-05-24 15:07:40 -0500640 struct work_struct fc_setup_reset_work;
Michael Reed05e8ec12006-01-13 14:31:54 -0600641 struct list_head fc_rports;
Michael Reed05e8ec12006-01-13 14:31:54 -0600642 spinlock_t fc_rescan_work_lock;
Michael Reed05e8ec12006-01-13 14:31:54 -0600643 struct work_struct fc_rescan_work;
Moore, Eric65207fe2006-04-21 16:14:35 -0600644 char fc_rescan_work_q_name[KOBJ_NAME_LEN];
645 struct workqueue_struct *fc_rescan_work_q;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700646} MPT_ADAPTER;
647
648/*
649 * New return value convention:
650 * 1 = Ok to free associated request frame
651 * 0 = not Ok ...
652 */
653typedef int (*MPT_CALLBACK)(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req, MPT_FRAME_HDR *reply);
654typedef int (*MPT_EVHANDLER)(MPT_ADAPTER *ioc, EventNotificationReply_t *evReply);
655typedef int (*MPT_RESETHANDLER)(MPT_ADAPTER *ioc, int reset_phase);
656/* reset_phase defs */
657#define MPT_IOC_PRE_RESET 0
658#define MPT_IOC_POST_RESET 1
659#define MPT_IOC_SETUP_RESET 2
660
661/*
662 * Invent MPT host event (super-set of MPI Events)
663 * Fitted to 1030's 64-byte [max] request frame size
664 */
665typedef struct _MPT_HOST_EVENT {
666 EventNotificationReply_t MpiEvent; /* 8 32-bit words! */
667 u32 pad[6];
668 void *next;
669} MPT_HOST_EVENT;
670
671#define MPT_HOSTEVENT_IOC_BRINGUP 0x91
672#define MPT_HOSTEVENT_IOC_RECOVER 0x92
673
674/* Define the generic types based on the size
675 * of the dma_addr_t type.
676 */
677typedef struct _mpt_sge {
678 u32 FlagsLength;
679 dma_addr_t Address;
680} MptSge_t;
681
682#define mpt_addr_size() \
683 ((sizeof(dma_addr_t) == sizeof(u64)) ? MPI_SGE_FLAGS_64_BIT_ADDRESSING : \
684 MPI_SGE_FLAGS_32_BIT_ADDRESSING)
685
686#define mpt_msg_flags() \
687 ((sizeof(dma_addr_t) == sizeof(u64)) ? MPI_SCSIIO_MSGFLGS_SENSE_WIDTH_64 : \
688 MPI_SCSIIO_MSGFLGS_SENSE_WIDTH_32)
689
690/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
691/*
692 * Funky (private) macros...
693 */
694#ifdef MPT_DEBUG
695#define dprintk(x) printk x
696#else
697#define dprintk(x)
698#endif
699
700#ifdef MPT_DEBUG_INIT
701#define dinitprintk(x) printk x
702#define DBG_DUMP_FW_REQUEST_FRAME(mfp) \
703 { int i, n = 10; \
704 u32 *m = (u32 *)(mfp); \
705 printk(KERN_INFO " "); \
706 for (i=0; i<n; i++) \
707 printk(" %08x", le32_to_cpu(m[i])); \
708 printk("\n"); \
709 }
710#else
711#define dinitprintk(x)
712#define DBG_DUMP_FW_REQUEST_FRAME(mfp)
713#endif
714
715#ifdef MPT_DEBUG_EXIT
716#define dexitprintk(x) printk x
717#else
718#define dexitprintk(x)
719#endif
720
721#if defined MPT_DEBUG_FAIL || defined (MPT_DEBUG_SG)
722#define dfailprintk(x) printk x
723#else
724#define dfailprintk(x)
725#endif
726
727#ifdef MPT_DEBUG_HANDSHAKE
728#define dhsprintk(x) printk x
729#else
730#define dhsprintk(x)
731#endif
732
Moore, Eric3a892be2006-03-14 09:14:03 -0700733#if defined(MPT_DEBUG_EVENTS) || defined(MPT_DEBUG_VERBOSE_EVENTS)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700734#define devtprintk(x) printk x
735#else
736#define devtprintk(x)
737#endif
738
Moore, Eric3a892be2006-03-14 09:14:03 -0700739#ifdef MPT_DEBUG_VERBOSE_EVENTS
740#define devtverboseprintk(x) printk x
741#else
742#define devtverboseprintk(x)
743#endif
744
Linus Torvalds1da177e2005-04-16 15:20:36 -0700745#ifdef MPT_DEBUG_RESET
746#define drsprintk(x) printk x
747#else
748#define drsprintk(x)
749#endif
750
751//#if defined(MPT_DEBUG) || defined(MPT_DEBUG_MSG_FRAME)
752#if defined(MPT_DEBUG_MSG_FRAME)
753#define dmfprintk(x) printk x
754#define DBG_DUMP_REQUEST_FRAME(mfp) \
755 { int i, n = 24; \
756 u32 *m = (u32 *)(mfp); \
757 for (i=0; i<n; i++) { \
758 if (i && ((i%8)==0)) \
759 printk("\n"); \
760 printk("%08x ", le32_to_cpu(m[i])); \
761 } \
762 printk("\n"); \
763 }
764#else
765#define dmfprintk(x)
766#define DBG_DUMP_REQUEST_FRAME(mfp)
767#endif
768
769#ifdef MPT_DEBUG_IRQ
770#define dirqprintk(x) printk x
771#else
772#define dirqprintk(x)
773#endif
774
775#ifdef MPT_DEBUG_SG
776#define dsgprintk(x) printk x
777#else
778#define dsgprintk(x)
779#endif
780
781#if defined(MPT_DEBUG_DL) || defined(MPT_DEBUG)
782#define ddlprintk(x) printk x
783#else
784#define ddlprintk(x)
785#endif
786
787#ifdef MPT_DEBUG_DV
788#define ddvprintk(x) printk x
789#else
790#define ddvprintk(x)
791#endif
792
793#ifdef MPT_DEBUG_NEGO
794#define dnegoprintk(x) printk x
795#else
796#define dnegoprintk(x)
797#endif
798
799#if defined(MPT_DEBUG_DV) || defined(MPT_DEBUG_DV_TINY)
800#define ddvtprintk(x) printk x
801#else
802#define ddvtprintk(x)
803#endif
804
805#ifdef MPT_DEBUG_IOCTL
806#define dctlprintk(x) printk x
807#else
808#define dctlprintk(x)
809#endif
810
811#ifdef MPT_DEBUG_REPLY
812#define dreplyprintk(x) printk x
813#else
814#define dreplyprintk(x)
815#endif
816
Michael Reed3bc7bf12006-01-25 18:05:18 -0700817#ifdef DMPT_DEBUG_FC
818#define dfcprintk(x) printk x
819#else
820#define dfcprintk(x)
821#endif
822
Linus Torvalds1da177e2005-04-16 15:20:36 -0700823#ifdef MPT_DEBUG_TM
824#define dtmprintk(x) printk x
825#define DBG_DUMP_TM_REQUEST_FRAME(mfp) \
826 { u32 *m = (u32 *)(mfp); \
827 int i, n = 13; \
828 printk("TM_REQUEST:\n"); \
829 for (i=0; i<n; i++) { \
830 if (i && ((i%8)==0)) \
831 printk("\n"); \
832 printk("%08x ", le32_to_cpu(m[i])); \
833 } \
834 printk("\n"); \
835 }
836#define DBG_DUMP_TM_REPLY_FRAME(mfp) \
837 { u32 *m = (u32 *)(mfp); \
838 int i, n = (le32_to_cpu(m[0]) & 0x00FF0000) >> 16; \
839 printk("TM_REPLY MessageLength=%d:\n", n); \
840 for (i=0; i<n; i++) { \
841 if (i && ((i%8)==0)) \
842 printk("\n"); \
843 printk(" %08x", le32_to_cpu(m[i])); \
844 } \
845 printk("\n"); \
846 }
847#else
848#define dtmprintk(x)
849#define DBG_DUMP_TM_REQUEST_FRAME(mfp)
850#define DBG_DUMP_TM_REPLY_FRAME(mfp)
851#endif
852
Linus Torvalds1da177e2005-04-16 15:20:36 -0700853#if defined(MPT_DEBUG_CONFIG) || defined(MPT_DEBUG)
854#define dcprintk(x) printk x
855#else
856#define dcprintk(x)
857#endif
858
859#if defined(MPT_DEBUG_SCSI) || defined(MPT_DEBUG) || defined(MPT_DEBUG_MSG_FRAME)
860#define dsprintk(x) printk x
861#else
862#define dsprintk(x)
863#endif
864
865
866#define MPT_INDEX_2_MFPTR(ioc,idx) \
867 (MPT_FRAME_HDR*)( (u8*)(ioc)->req_frames + (ioc)->req_sz * (idx) )
868
869#define MFPTR_2_MPT_INDEX(ioc,mf) \
870 (int)( ((u8*)mf - (u8*)(ioc)->req_frames) / (ioc)->req_sz )
871
872#define MPT_INDEX_2_RFPTR(ioc,idx) \
873 (MPT_FRAME_HDR*)( (u8*)(ioc)->reply_frames + (ioc)->req_sz * (idx) )
874
875#if defined(MPT_DEBUG) || defined(MPT_DEBUG_MSG_FRAME)
876#define DBG_DUMP_REPLY_FRAME(mfp) \
877 { u32 *m = (u32 *)(mfp); \
878 int i, n = (le32_to_cpu(m[0]) & 0x00FF0000) >> 16; \
879 printk(KERN_INFO " "); \
880 for (i=0; i<n; i++) \
881 printk(" %08x", le32_to_cpu(m[i])); \
882 printk("\n"); \
883 }
884#define DBG_DUMP_REQUEST_FRAME_HDR(mfp) \
885 { int i, n = 3; \
886 u32 *m = (u32 *)(mfp); \
887 printk(KERN_INFO " "); \
888 for (i=0; i<n; i++) \
889 printk(" %08x", le32_to_cpu(m[i])); \
890 printk("\n"); \
891 }
892#else
893#define DBG_DUMP_REPLY_FRAME(mfp)
894#define DBG_DUMP_REQUEST_FRAME_HDR(mfp)
895#endif
896
Eric Moore547f9a22006-06-27 14:42:12 -0600897// debug sas wide ports
898#ifdef MPT_DEBUG_SAS_WIDE
899#define dsaswideprintk(x) printk x
900#else
901#define dsaswideprintk(x)
902#endif
903
Linus Torvalds1da177e2005-04-16 15:20:36 -0700904
905/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
906
907#define SCSI_STD_SENSE_BYTES 18
908#define SCSI_STD_INQUIRY_BYTES 36
909#define SCSI_MAX_INQUIRY_BYTES 96
910
911/*
912 * MPT_SCSI_HOST defines - Used by the IOCTL and the SCSI drivers
913 * Private to the driver.
914 */
915/* LOCAL structure and fields used when processing
916 * internally generated commands. These include:
917 * bus scan, dv and config requests.
918 */
919typedef struct _MPT_LOCAL_REPLY {
920 ConfigPageHeader_t header;
921 int completion;
922 u8 sense[SCSI_STD_SENSE_BYTES];
923 u8 scsiStatus;
924 u8 skip;
925 u32 pad;
926} MPT_LOCAL_REPLY;
927
928#define MPT_HOST_BUS_UNKNOWN (0xFF)
929#define MPT_HOST_TOO_MANY_TM (0x05)
930#define MPT_HOST_NVRAM_INVALID (0xFFFFFFFF)
931#define MPT_HOST_NO_CHAIN (0xFFFFFFFF)
932#define MPT_NVRAM_MASK_TIMEOUT (0x000000FF)
933#define MPT_NVRAM_SYNC_MASK (0x0000FF00)
934#define MPT_NVRAM_SYNC_SHIFT (8)
935#define MPT_NVRAM_DISCONNECT_ENABLE (0x00010000)
936#define MPT_NVRAM_ID_SCAN_ENABLE (0x00020000)
937#define MPT_NVRAM_LUN_SCAN_ENABLE (0x00040000)
938#define MPT_NVRAM_TAG_QUEUE_ENABLE (0x00080000)
939#define MPT_NVRAM_WIDE_DISABLE (0x00100000)
940#define MPT_NVRAM_BOOT_CHOICE (0x00200000)
941
942/* The TM_STATE variable is used to provide strict single threading of TM
943 * requests as well as communicate TM error conditions.
944 */
945#define TM_STATE_NONE (0)
946#define TM_STATE_IN_PROGRESS (1)
947#define TM_STATE_ERROR (2)
948
949typedef enum {
950 FC,
Moore, Eric Deana9b29372005-11-16 18:54:20 -0700951 SPI,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700952 SAS
953} BUS_TYPE;
954
955typedef struct _MPT_SCSI_HOST {
956 MPT_ADAPTER *ioc;
957 int port;
958 u32 pad0;
959 struct scsi_cmnd **ScsiLookup;
Moore, Eric Deanc7c82982005-11-16 18:54:25 -0700960 VirtTarget **Targets;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700961 MPT_LOCAL_REPLY *pLocal; /* used for internal commands */
962 struct timer_list timer;
963 /* Pool of memory for holding SCpnts before doing
964 * OS callbacks. freeQ is the free pool.
965 */
966 u8 tmPending;
967 u8 resetPending;
968 u8 negoNvram; /* DV disabled, nego NVRAM */
969 u8 pad1;
970 u8 tmState;
971 u8 rsvd[2];
972 MPT_FRAME_HDR *cmdPtr; /* Ptr to nonOS request */
973 struct scsi_cmnd *abortSCpnt;
974 MPT_LOCAL_REPLY localReply; /* internal cmd reply struct */
975 unsigned long hard_resets; /* driver forced bus resets count */
976 unsigned long soft_resets; /* fw/external bus resets count */
977 unsigned long timeouts; /* cmd timeouts */
978 ushort sel_timeout[MPT_MAX_FC_DEVICES];
Moore, Eric Dean 7fadc872005-04-22 18:01:16 -0400979 char *info_kbuf;
980 wait_queue_head_t scandv_waitq;
981 int scandv_wait_done;
982 long last_queue_full;
Eric Moore3dc0b032006-07-11 17:32:33 -0600983 u16 tm_iocstatus;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700984} MPT_SCSI_HOST;
985
986/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
987/*
988 * More Dynamic Multi-Pathing stuff...
989 */
990
991/* Forward decl, a strange C thing, to prevent gcc compiler warnings */
992struct scsi_cmnd;
993
994/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
995/*
996 * Generic structure passed to the base mpt_config function.
997 */
998typedef struct _x_config_parms {
999 struct list_head linkage; /* linked list */
1000 struct timer_list timer; /* timer function for this request */
Christoph Hellwig69218ee2005-08-18 16:26:15 +02001001 union {
1002 ConfigExtendedPageHeader_t *ehdr;
1003 ConfigPageHeader_t *hdr;
1004 } cfghdr;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001005 dma_addr_t physAddr;
1006 int wait_done; /* wait for this request */
1007 u32 pageAddr; /* properly formatted */
1008 u8 action;
1009 u8 dir;
1010 u8 timeout; /* seconds */
1011 u8 pad1;
1012 u16 status;
1013 u16 pad2;
1014} CONFIGPARMS;
1015
1016/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1017/*
1018 * Public entry points...
1019 */
Moore, Eric Dean 7fadc872005-04-22 18:01:16 -04001020extern int mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id);
1021extern void mpt_detach(struct pci_dev *pdev);
1022#ifdef CONFIG_PM
1023extern int mpt_suspend(struct pci_dev *pdev, pm_message_t state);
1024extern int mpt_resume(struct pci_dev *pdev);
1025#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -07001026extern int mpt_register(MPT_CALLBACK cbfunc, MPT_DRIVER_CLASS dclass);
1027extern void mpt_deregister(int cb_idx);
1028extern int mpt_event_register(int cb_idx, MPT_EVHANDLER ev_cbfunc);
1029extern void mpt_event_deregister(int cb_idx);
1030extern int mpt_reset_register(int cb_idx, MPT_RESETHANDLER reset_func);
1031extern void mpt_reset_deregister(int cb_idx);
1032extern int mpt_device_driver_register(struct mpt_pci_driver * dd_cbfunc, int cb_idx);
1033extern void mpt_device_driver_deregister(int cb_idx);
1034extern MPT_FRAME_HDR *mpt_get_msg_frame(int handle, MPT_ADAPTER *ioc);
1035extern void mpt_free_msg_frame(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf);
1036extern void mpt_put_msg_frame(int handle, MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf);
1037extern void mpt_add_sge(char *pAddr, u32 flagslength, dma_addr_t dma_addr);
1038
1039extern int mpt_send_handshake_request(int handle, MPT_ADAPTER *ioc, int reqBytes, u32 *req, int sleepFlag);
1040extern int mpt_verify_adapter(int iocid, MPT_ADAPTER **iocpp);
1041extern u32 mpt_GetIocState(MPT_ADAPTER *ioc, int cooked);
1042extern void mpt_print_ioc_summary(MPT_ADAPTER *ioc, char *buf, int *size, int len, int showlan);
1043extern int mpt_HardResetHandler(MPT_ADAPTER *ioc, int sleepFlag);
1044extern int mpt_config(MPT_ADAPTER *ioc, CONFIGPARMS *cfg);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001045extern void mpt_alloc_fw_memory(MPT_ADAPTER *ioc, int size);
1046extern void mpt_free_fw_memory(MPT_ADAPTER *ioc);
1047extern int mpt_findImVolumes(MPT_ADAPTER *ioc);
Christoph Hellwig82ffb6712005-09-09 16:25:54 +02001048extern int mptbase_sas_persist_operation(MPT_ADAPTER *ioc, u8 persist_opcode);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001049
1050/*
1051 * Public data decl's...
1052 */
1053extern struct list_head ioc_list;
Linus Torvaldsf7473072005-11-29 14:21:57 -08001054extern struct proc_dir_entry *mpt_proc_root_dir;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001055
1056extern int mpt_lan_index; /* needed by mptlan.c */
Linus Torvaldsf7473072005-11-29 14:21:57 -08001057extern int mpt_stm_index; /* needed by mptstm.c */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001058
1059/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1060#endif /* } __KERNEL__ */
1061
1062#if defined(__alpha__) || defined(__sparc_v9__) || defined(__ia64__) || defined(__x86_64__)
1063#define CAST_U32_TO_PTR(x) ((void *)(u64)x)
1064#define CAST_PTR_TO_U32(x) ((u32)(u64)x)
1065#else
1066#define CAST_U32_TO_PTR(x) ((void *)x)
1067#define CAST_PTR_TO_U32(x) ((u32)x)
1068#endif
1069
1070#define MPT_PROTOCOL_FLAGS_c_c_c_c(pflags) \
1071 ((pflags) & MPI_PORTFACTS_PROTOCOL_INITIATOR) ? 'I' : 'i', \
1072 ((pflags) & MPI_PORTFACTS_PROTOCOL_TARGET) ? 'T' : 't', \
1073 ((pflags) & MPI_PORTFACTS_PROTOCOL_LAN) ? 'L' : 'l', \
1074 ((pflags) & MPI_PORTFACTS_PROTOCOL_LOGBUSADDR) ? 'B' : 'b'
1075
1076/*
1077 * Shifted SGE Defines - Use in SGE with FlagsLength member.
1078 * Otherwise, use MPI_xxx defines (refer to "lsi/mpi.h" header).
1079 * Defaults: 32 bit SGE, SYSTEM_ADDRESS if direction bit is 0, read
1080 */
1081#define MPT_TRANSFER_IOC_TO_HOST (0x00000000)
1082#define MPT_TRANSFER_HOST_TO_IOC (0x04000000)
1083#define MPT_SGE_FLAGS_LAST_ELEMENT (0x80000000)
1084#define MPT_SGE_FLAGS_END_OF_BUFFER (0x40000000)
1085#define MPT_SGE_FLAGS_LOCAL_ADDRESS (0x08000000)
1086#define MPT_SGE_FLAGS_DIRECTION (0x04000000)
1087#define MPT_SGE_FLAGS_ADDRESSING (mpt_addr_size() << MPI_SGE_FLAGS_SHIFT)
1088#define MPT_SGE_FLAGS_END_OF_LIST (0x01000000)
1089
1090#define MPT_SGE_FLAGS_TRANSACTION_ELEMENT (0x00000000)
1091#define MPT_SGE_FLAGS_SIMPLE_ELEMENT (0x10000000)
1092#define MPT_SGE_FLAGS_CHAIN_ELEMENT (0x30000000)
1093#define MPT_SGE_FLAGS_ELEMENT_MASK (0x30000000)
1094
1095#define MPT_SGE_FLAGS_SSIMPLE_READ \
1096 (MPT_SGE_FLAGS_LAST_ELEMENT | \
1097 MPT_SGE_FLAGS_END_OF_BUFFER | \
1098 MPT_SGE_FLAGS_END_OF_LIST | \
1099 MPT_SGE_FLAGS_SIMPLE_ELEMENT | \
1100 MPT_SGE_FLAGS_ADDRESSING | \
1101 MPT_TRANSFER_IOC_TO_HOST)
1102#define MPT_SGE_FLAGS_SSIMPLE_WRITE \
1103 (MPT_SGE_FLAGS_LAST_ELEMENT | \
1104 MPT_SGE_FLAGS_END_OF_BUFFER | \
1105 MPT_SGE_FLAGS_END_OF_LIST | \
1106 MPT_SGE_FLAGS_SIMPLE_ELEMENT | \
1107 MPT_SGE_FLAGS_ADDRESSING | \
1108 MPT_TRANSFER_HOST_TO_IOC)
1109
1110/*}-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1111#endif
1112