Replace all casts of NULL to something with NULL.
[dragonfly.git] / sys / dev / raid / asr / asr.c
1 /* $FreeBSD: src/sys/dev/asr/asr.c,v 1.3.2.2 2001/08/23 05:21:29 scottl Exp $ */
2 /* $DragonFly: src/sys/dev/raid/asr/asr.c,v 1.36 2008/06/05 18:06:31 swildner Exp $ */
3 /*
4  * Copyright (c) 1996-2000 Distributed Processing Technology Corporation
5  * Copyright (c) 2000-2001 Adaptec Corporation
6  * All rights reserved.
7  *
8  * TERMS AND CONDITIONS OF USE
9  *
10  * Redistribution and use in source form, with or without modification, are
11  * permitted provided that redistributions of source code must retain the
12  * above copyright notice, this list of conditions and the following disclaimer.
13  *
14  * This software is provided `as is' by Adaptec and any express or implied
15  * warranties, including, but not limited to, the implied warranties of
16  * merchantability and fitness for a particular purpose, are disclaimed. In no
17  * event shall Adaptec be liable for any direct, indirect, incidental, special,
18  * exemplary or consequential damages (including, but not limited to,
19  * procurement of substitute goods or services; loss of use, data, or profits;
20  * or business interruptions) however caused and on any theory of liability,
21  * whether in contract, strict liability, or tort (including negligence or
22  * otherwise) arising in any way out of the use of this driver software, even
23  * if advised of the possibility of such damage.
24  *
25  * SCSI I2O host adapter driver
26  *
27  *      V1.08 2001/08/21 Mark_Salyzyn@adaptec.com
28  *              - The 2000S and 2005S do not initialize on some machines,
29  *                increased timeout to 255ms from 50ms for the StatusGet
30  *                command.
31  *      V1.07 2001/05/22 Mark_Salyzyn@adaptec.com
32  *              - I knew this one was too good to be true. The error return
33  *                on ioctl commands needs to be compared to CAM_REQ_CMP, not
34  *                to the bit masked status.
35  *      V1.06 2001/05/08 Mark_Salyzyn@adaptec.com
36  *              - The 2005S that was supported is affectionately called the
37  *                Conjoined BAR Firmware. In order to support RAID-5 in a
38  *                16MB low-cost configuration, Firmware was forced to go
39  *                to a Split BAR Firmware. This requires a separate IOP and
40  *                Messaging base address.
41  *      V1.05 2001/04/25 Mark_Salyzyn@adaptec.com
42  *              - Handle support for 2005S Zero Channel RAID solution.
43  *              - System locked up if the Adapter locked up. Do not try
44  *                to send other commands if the resetIOP command fails. The
45  *                fail outstanding command discovery loop was flawed as the
46  *                removal of the command from the list prevented discovering
47  *                all the commands.
48  *              - Comment changes to clarify driver.
49  *              - SysInfo searched for an EATA SmartROM, not an I2O SmartROM.
50  *              - We do not use the AC_FOUND_DEV event because of I2O.
51  *                Removed asr_async.
52  *      V1.04 2000/09/22 Mark_Salyzyn@adaptec.com, msmith@freebsd.org,
53  *                       lampa@fee.vutbr.cz and Scott_Long@adaptec.com.
54  *              - Removed support for PM1554, PM2554 and PM2654 in Mode-0
55  *                mode as this is confused with competitor adapters in run
56  *                mode.
57  *              - critical locking needed in ASR_ccbAdd and ASR_ccbRemove
58  *                to prevent operating system panic.
59  *              - moved default major number to 154 from 97.
60  *      V1.03 2000/07/12 Mark_Salyzyn@adaptec.com
61  *              - The controller is not actually an ASR (Adaptec SCSI RAID)
62  *                series that is visible, it's more of an internal code name.
63  *                remove any visible references within reason for now.
64  *              - bus_ptr->LUN was not correctly zeroed when initially
65  *                allocated causing a possible panic of the operating system
66  *                during boot.
67  *      V1.02 2000/06/26 Mark_Salyzyn@adaptec.com
68  *              - Code always fails for ASR_getTid affecting performance.
69  *              - initiated a set of changes that resulted from a formal
70  *                code inspection by Mark_Salyzyn@adaptec.com,
71  *                George_Dake@adaptec.com, Jeff_Zeak@adaptec.com,
72  *                Martin_Wilson@adaptec.com and Vincent_Trandoan@adaptec.com.
73  *                Their findings were focussed on the LCT & TID handler, and
74  *                all resulting changes were to improve code readability,
75  *                consistency or have a positive effect on performance.
76  *      V1.01 2000/06/14 Mark_Salyzyn@adaptec.com
77  *              - Passthrough returned an incorrect error.
78  *              - Passthrough did not migrate the intrinsic scsi layer wakeup
79  *                on command completion.
80  *              - generate control device nodes using make_dev and delete_dev.
81  *              - Performance affected by TID caching reallocing.
82  *              - Made suggested changes by Justin_Gibbs@adaptec.com
83  *                      - use splcam instead of splbio.
84  *                      - use u_int8_t instead of u_char.
85  *                      - use u_int16_t instead of u_short.
86  *                      - use u_int32_t instead of u_long where appropriate.
87  *                      - use 64 bit context handler instead of 32 bit.
88  *                      - create_ccb should only allocate the worst case
89  *                        requirements for the driver since CAM may evolve
90  *                        making union ccb much larger than needed here.
91  *                        renamed create_ccb to asr_alloc_ccb.
92  *                      - go nutz justifying all debug prints as macros
93  *                        defined at the top and remove unsightly ifdefs.
94  *                      - INLINE STATIC viewed as confusing. Historically
95  *                        utilized to affect code performance and debug
96  *                        issues in OS, Compiler or OEM specific situations.
97  *      V1.00 2000/05/31 Mark_Salyzyn@adaptec.com
98  *              - Ported from FreeBSD 2.2.X DPT I2O driver.
99  *                      changed struct scsi_xfer to union ccb/struct ccb_hdr
100  *                      changed variable name xs to ccb
101  *                      changed struct scsi_link to struct cam_path
102  *                      changed struct scsibus_data to struct cam_sim
103  *                      stopped using fordriver for holding on to the TID
104  *                      use proprietary packet creation instead of scsi_inquire
105  *                      CAM layer sends synchronize commands.
106  */
107
108 #define ASR_VERSION     1
109 #define ASR_REVISION    '0'
110 #define ASR_SUBREVISION '8'
111 #define ASR_MONTH       8
112 #define ASR_DAY         21
113 #define ASR_YEAR        2001 - 1980
114
115 /*
116  *      Debug macros to reduce the unsightly ifdefs
117  */
118 #if (defined(DEBUG_ASR) || defined(DEBUG_ASR_USR_CMD) || defined(DEBUG_ASR_CMD))
119 # define debug_asr_message(message)                                            \
120         {                                                                      \
121                 u_int32_t * pointer = (u_int32_t *)message;                    \
122                 u_int32_t   length = I2O_MESSAGE_FRAME_getMessageSize(message);\
123                 u_int32_t   counter = 0;                                       \
124                                                                                \
125                 while (length--) {                                             \
126                         kprintf ("%08lx%c", (u_long)*(pointer++),               \
127                           (((++counter & 7) == 0) || (length == 0))            \
128                             ? '\n'                                             \
129                             : ' ');                                            \
130                 }                                                              \
131         }
132 #endif /* DEBUG_ASR || DEBUG_ASR_USR_CMD || DEBUG_ASR_CMD */
133
134 #if (defined(DEBUG_ASR))
135   /* Breaks on none STDC based compilers :-( */
136 # define debug_asr_printf(fmt,args...)   kprintf(fmt, ##args)
137 # define debug_asr_dump_message(message) debug_asr_message(message)
138 # define debug_asr_print_path(ccb)       xpt_print_path(ccb->ccb_h.path);
139   /* None fatal version of the ASSERT macro */
140 # if (defined(__STDC__))
141 #  define ASSERT(phrase) if(!(phrase))kprintf(#phrase " at line %d file %s\n",__LINE__,__FILE__)
142 # else
143 #  define ASSERT(phrase) if(!(phrase))kprintf("phrase" " at line %d file %s\n",__LINE__,__FILE__)
144 # endif
145 #else /* DEBUG_ASR */
146 # define debug_asr_printf(fmt,args...)
147 # define debug_asr_dump_message(message)
148 # define debug_asr_print_path(ccb)
149 # define ASSERT(x)
150 #endif /* DEBUG_ASR */
151
152 /*
153  *      If DEBUG_ASR_CMD is defined:
154  *              0 - Display incoming SCSI commands
155  *              1 - add in a quick character before queueing.
156  *              2 - add in outgoing message frames.
157  */
158 #if (defined(DEBUG_ASR_CMD))
159 # define debug_asr_cmd_printf(fmt,args...)     kprintf(fmt,##args)
160 # define debug_asr_dump_ccb(ccb)                                      \
161         {                                                             \
162                 u_int8_t * cp = (unsigned char *)&(ccb->csio.cdb_io); \
163                 int        len = ccb->csio.cdb_len;                   \
164                                                                       \
165                 while (len) {                                         \
166                         debug_asr_cmd_printf (" %02x", *(cp++));      \
167                         --len;                                        \
168                 }                                                     \
169         }
170 # if (DEBUG_ASR_CMD > 0)
171 #  define debug_asr_cmd1_printf                debug_asr_cmd_printf
172 # else
173 #  define debug_asr_cmd1_printf(fmt,args...)
174 # endif
175 # if (DEBUG_ASR_CMD > 1)
176 #  define debug_asr_cmd2_printf                debug_asr_cmd_printf
177 #  define debug_asr_cmd2_dump_message(message) debug_asr_message(message)
178 # else
179 #  define debug_asr_cmd2_printf(fmt,args...)
180 #  define debug_asr_cmd2_dump_message(message)
181 # endif
182 #else /* DEBUG_ASR_CMD */
183 # define debug_asr_cmd_printf(fmt,args...)
184 # define debug_asr_cmd_dump_ccb(ccb)
185 # define debug_asr_cmd1_printf(fmt,args...)
186 # define debug_asr_cmd2_printf(fmt,args...)
187 # define debug_asr_cmd2_dump_message(message)
188 #endif /* DEBUG_ASR_CMD */
189
190 #if (defined(DEBUG_ASR_USR_CMD))
191 # define debug_usr_cmd_printf(fmt,args...)   kprintf(fmt,##args)
192 # define debug_usr_cmd_dump_message(message) debug_usr_message(message)
193 #else /* DEBUG_ASR_USR_CMD */
194 # define debug_usr_cmd_printf(fmt,args...)
195 # define debug_usr_cmd_dump_message(message)
196 #endif /* DEBUG_ASR_USR_CMD */
197
198 #define dsDescription_size 46   /* Snug as a bug in a rug */
199 #include "dptsig.h"
200
201 static dpt_sig_S ASR_sig = {
202         { 'd', 'P', 't', 'S', 'i', 'G'}, SIG_VERSION, PROC_INTEL,
203         PROC_386 | PROC_486 | PROC_PENTIUM | PROC_SEXIUM, FT_HBADRVR, 0,
204         OEM_DPT, OS_FREE_BSD, CAP_ABOVE16MB, DEV_ALL,
205         ADF_ALL_SC5,
206         0, 0, ASR_VERSION, ASR_REVISION, ASR_SUBREVISION,
207         ASR_MONTH, ASR_DAY, ASR_YEAR,
208 /*       01234567890123456789012345678901234567890123456789     < 50 chars */
209         "Adaptec FreeBSD 4.0.0 Unix SCSI I2O HBA Driver"
210         /*               ^^^^^ asr_attach alters these to match OS */
211 };
212
213 #include <sys/param.h>  /* TRUE=1 and FALSE=0 defined here */
214 #include <sys/kernel.h>
215 #include <sys/systm.h>
216 #include <sys/malloc.h>
217 #include <sys/proc.h>
218 #include <sys/priv.h>
219 #include <sys/conf.h>
220 #include <sys/bus.h>
221 #include <sys/rman.h>
222 #include <sys/stat.h>
223 #include <sys/device.h>
224 #include <sys/thread2.h>
225 #include <sys/ioccom.h>
226
227 #include <bus/cam/cam.h>
228 #include <bus/cam/cam_ccb.h>
229 #include <bus/cam/cam_sim.h>
230 #include <bus/cam/cam_xpt_sim.h>
231 #include <bus/cam/cam_xpt_periph.h>
232
233 #include <bus/cam/scsi/scsi_all.h>
234 #include <bus/cam/scsi/scsi_message.h>
235
236 #include <vm/vm.h>
237 #include <vm/pmap.h>
238 #include <machine/cputypes.h>
239 #include <machine/clock.h>
240 #include <machine/vmparam.h>
241
242 #include <bus/pci/pcivar.h>
243 #include <bus/pci/pcireg.h>
244
245 #define STATIC static
246 #define INLINE
247
248 #if (defined(DEBUG_ASR) && (DEBUG_ASR > 0))
249 # undef STATIC
250 # define STATIC
251 # undef INLINE
252 # define INLINE
253 #endif
254 #define IN
255 #define OUT
256 #define INOUT
257
258 #define osdSwap4(x) ((u_long)ntohl((u_long)(x)))
259 #define KVTOPHYS(x) vtophys(x)
260 #include        "dptalign.h"
261 #include        "i2oexec.h"
262 #include        "i2obscsi.h"
263 #include        "i2odpt.h"
264 #include        "i2oadptr.h"
265 #include        "sys_info.h"
266
267 /* Configuration Definitions */
268
269 #define SG_SIZE          58     /* Scatter Gather list Size              */
270 #define MAX_TARGET_ID    126    /* Maximum Target ID supported           */
271 #define MAX_LUN          255    /* Maximum LUN Supported                 */
272 #define MAX_CHANNEL      7      /* Maximum Channel # Supported by driver */
273 #define MAX_INBOUND      2000   /* Max CCBs, Also Max Queue Size         */
274 #define MAX_OUTBOUND     256    /* Maximum outbound frames/adapter       */
275 #define MAX_INBOUND_SIZE 512    /* Maximum inbound frame size            */
276 #define MAX_MAP          4194304L /* Maximum mapping size of IOP         */
277                                 /* Also serves as the minimum map for    */
278                                 /* the 2005S zero channel RAID product   */
279
280 /**************************************************************************
281 ** ASR Host Adapter structure - One Structure For Each Host Adapter That **
282 **  Is Configured Into The System.  The Structure Supplies Configuration **
283 **  Information, Status Info, Queue Info And An Active CCB List Pointer. **
284 ***************************************************************************/
285
286 /* I2O register set */
287 typedef struct {
288         U8           Address[0x30];
289         volatile U32 Status;
290         volatile U32 Mask;
291 #               define Mask_InterruptsDisabled 0x08
292         U32          x[2];
293         volatile U32 ToFIFO;    /* In Bound FIFO  */
294         volatile U32 FromFIFO;  /* Out Bound FIFO */
295 } i2oRegs_t;
296
297 /*
298  * A MIX of performance and space considerations for TID lookups
299  */
300 typedef u_int16_t tid_t;
301
302 typedef struct {
303         u_int32_t size;         /* up to MAX_LUN    */
304         tid_t     TID[1];
305 } lun2tid_t;
306
307 typedef struct {
308         u_int32_t   size;       /* up to MAX_TARGET */
309         lun2tid_t * LUN[1];
310 } target2lun_t;
311
312 /*
313  *      To ensure that we only allocate and use the worst case ccb here, lets
314  *      make our own local ccb union. If asr_alloc_ccb is utilized for another
315  *      ccb type, ensure that you add the additional structures into our local
316  *      ccb union. To ensure strict type checking, we will utilize the local
317  *      ccb definition wherever possible.
318  */
319 union asr_ccb {
320         struct ccb_hdr      ccb_h;  /* For convenience */
321         struct ccb_scsiio   csio;
322         struct ccb_setasync csa;
323 };
324
325 typedef struct Asr_softc {
326         u_int16_t               ha_irq;
327         void                  * ha_Base;       /* base port for each board */
328         u_int8_t     * volatile ha_blinkLED;
329         i2oRegs_t             * ha_Virt;       /* Base address of IOP      */
330         U8                    * ha_Fvirt;      /* Base address of Frames   */
331         I2O_IOP_ENTRY           ha_SystemTable;
332         LIST_HEAD(,ccb_hdr)     ha_ccb;        /* ccbs in use              */
333         struct cam_path       * ha_path[MAX_CHANNEL+1];
334         struct cam_sim        * ha_sim[MAX_CHANNEL+1];
335         struct resource       * ha_mem_res;
336         struct resource       * ha_mes_res;
337         struct resource       * ha_irq_res;
338         void                  * ha_intr;
339         PI2O_LCT                ha_LCT;        /* Complete list of devices */
340 #                define le_type   IdentityTag[0]
341 #                        define I2O_BSA     0x20
342 #                        define I2O_FCA     0x40
343 #                        define I2O_SCSI    0x00
344 #                        define I2O_PORT    0x80
345 #                        define I2O_UNKNOWN 0x7F
346 #                define le_bus    IdentityTag[1]
347 #                define le_target IdentityTag[2]
348 #                define le_lun    IdentityTag[3]
349         target2lun_t          * ha_targets[MAX_CHANNEL+1];
350         PI2O_SCSI_ERROR_REPLY_MESSAGE_FRAME ha_Msgs;
351         u_long                  ha_Msgs_Phys;
352
353         u_int8_t                ha_in_reset;
354 #               define HA_OPERATIONAL       0
355 #               define HA_IN_RESET          1
356 #               define HA_OFF_LINE          2
357 #               define HA_OFF_LINE_RECOVERY 3
358         /* Configuration information */
359         /* The target id maximums we take     */
360         u_int8_t                ha_MaxBus;     /* Maximum bus              */
361         u_int8_t                ha_MaxId;      /* Maximum target ID        */
362         u_int8_t                ha_MaxLun;     /* Maximum target LUN            */
363         u_int8_t                ha_SgSize;     /* Max SG elements          */
364         u_int8_t                ha_pciBusNum;
365         u_int8_t                ha_pciDeviceNum;
366         u_int8_t                ha_adapter_target[MAX_CHANNEL+1];
367         u_int16_t               ha_QueueSize;  /* Max outstanding commands */
368         u_int16_t               ha_Msgs_Count;
369
370         /* Links into other parents and HBAs */
371         struct Asr_softc      * ha_next;       /* HBA list                 */
372 } Asr_softc_t;
373
374 STATIC Asr_softc_t * Asr_softc;
375
376 /*
377  *      Prototypes of the routines we have in this object.
378  */
379
380 /* Externally callable routines */
381 #define PROBE_ARGS  IN device_t tag
382 #define PROBE_RET   int
383 #define PROBE_SET() u_long id = (pci_get_device(tag)<<16)|pci_get_vendor(tag)
384 #define PROBE_RETURN(retval) if(retval){device_set_desc(tag,retval);return(0);}else{return(ENXIO);}
385 #define ATTACH_ARGS IN device_t tag
386 #define ATTACH_RET  int
387 #define ATTACH_SET() int unit = device_get_unit(tag)
388 #define ATTACH_RETURN(retval) return(retval)
389 /* I2O HDM interface */
390 STATIC PROBE_RET      asr_probe (PROBE_ARGS);
391 STATIC ATTACH_RET     asr_attach (ATTACH_ARGS);
392 /* DOMINO placeholder */
393 STATIC PROBE_RET      domino_probe (PROBE_ARGS);
394 STATIC ATTACH_RET     domino_attach (ATTACH_ARGS);
395 /* MODE0 adapter placeholder */
396 STATIC PROBE_RET      mode0_probe (PROBE_ARGS);
397 STATIC ATTACH_RET     mode0_attach (ATTACH_ARGS);
398
399 STATIC Asr_softc_t  * ASR_get_sc (cdev_t dev);
400 STATIC d_ioctl_t asr_ioctl;
401 STATIC d_open_t asr_open;
402 STATIC d_close_t asr_close;
403 STATIC int            asr_intr (IN Asr_softc_t *sc);
404 STATIC void           asr_timeout (INOUT void *arg);
405 STATIC int            ASR_init (IN Asr_softc_t *sc);
406 STATIC INLINE int     ASR_acquireLct (INOUT Asr_softc_t *sc);
407 STATIC INLINE int     ASR_acquireHrt (INOUT Asr_softc_t *sc);
408 STATIC void           asr_action (IN struct cam_sim *sim,
409                                   IN union ccb *ccb);
410 STATIC void           asr_poll (IN struct cam_sim * sim);
411
412 /*
413  *      Here is the auto-probe structure used to nest our tests appropriately
414  *      during the startup phase of the operating system.
415  */
416 STATIC device_method_t asr_methods[] = {
417         DEVMETHOD(device_probe,  asr_probe),
418         DEVMETHOD(device_attach, asr_attach),
419         { 0, 0 }
420 };
421
422 STATIC driver_t asr_driver = {
423         "asr",
424         asr_methods,
425         sizeof(Asr_softc_t)
426 };
427
428 STATIC devclass_t asr_devclass;
429
430 DECLARE_DUMMY_MODULE(asr);
431 DRIVER_MODULE(asr, pci, asr_driver, asr_devclass, 0, 0);
432
433 STATIC device_method_t domino_methods[] = {
434         DEVMETHOD(device_probe,  domino_probe),
435         DEVMETHOD(device_attach, domino_attach),
436         { 0, 0 }
437 };
438
439 STATIC driver_t domino_driver = {
440         "domino",
441         domino_methods,
442         0
443 };
444
445 STATIC devclass_t domino_devclass;
446
447 DRIVER_MODULE(domino, pci, domino_driver, domino_devclass, 0, 0);
448
449 STATIC device_method_t mode0_methods[] = {
450         DEVMETHOD(device_probe,  mode0_probe),
451         DEVMETHOD(device_attach, mode0_attach),
452         { 0, 0 }
453 };
454
455 STATIC driver_t mode0_driver = {
456         "mode0",
457         mode0_methods,
458         0
459 };
460
461 STATIC devclass_t mode0_devclass;
462
463 DRIVER_MODULE(mode0, pci, mode0_driver, mode0_devclass, 0, 0);
464
465 /*
466  * devsw for asr hba driver
467  *
468  * only ioctl is used. the sd driver provides all other access.
469  */
470 STATIC struct dev_ops asr_ops = {
471         { "asr", -1, 0 },
472         .d_open =       asr_open,
473         .d_close =      asr_close, 
474         .d_ioctl =      asr_ioctl,
475 };
476
477 /*
478  * Initialize the dynamic dev_ops hooks.
479  */
480 STATIC void
481 asr_drvinit (void * unused)
482 {
483         static int asr_devsw_installed = 0;
484
485         if (asr_devsw_installed) {
486                 return;
487         }
488         asr_devsw_installed++;
489
490         /*
491          * Adding the ops will dynamically assign a major number.
492          */
493         dev_ops_add(&asr_ops, 0, 0);
494 } /* asr_drvinit */
495
496 /* XXX Must initialize before CAM layer picks up our HBA driver */
497 SYSINIT(asrdev,SI_SUB_DRIVERS,SI_ORDER_MIDDLE,asr_drvinit,NULL)
498
499 /* I2O support routines */
500 #define defAlignLong(STRUCT,NAME) char NAME[sizeof(STRUCT)]
501 #define getAlignLong(STRUCT,NAME) ((STRUCT *)(NAME))
502
503 /*
504  *      Fill message with default.
505  */
506 STATIC PI2O_MESSAGE_FRAME
507 ASR_fillMessage (
508         IN char              * Message,
509         IN u_int16_t           size)
510 {
511         OUT PI2O_MESSAGE_FRAME Message_Ptr;
512
513         Message_Ptr = getAlignLong(I2O_MESSAGE_FRAME, Message);
514         bzero ((void *)Message_Ptr, size);
515         I2O_MESSAGE_FRAME_setVersionOffset(Message_Ptr, I2O_VERSION_11);
516         I2O_MESSAGE_FRAME_setMessageSize(Message_Ptr,
517           (size + sizeof(U32) - 1) >> 2);
518         I2O_MESSAGE_FRAME_setInitiatorAddress (Message_Ptr, 1);
519         return (Message_Ptr);
520 } /* ASR_fillMessage */
521
522 #define EMPTY_QUEUE ((U32)-1L)
523
524 STATIC INLINE U32
525 ASR_getMessage(
526         IN i2oRegs_t * virt)
527 {
528         OUT U32        MessageOffset;
529
530         if ((MessageOffset = virt->ToFIFO) == EMPTY_QUEUE) {
531                 MessageOffset = virt->ToFIFO;
532         }
533         return (MessageOffset);
534 } /* ASR_getMessage */
535
536 /* Issue a polled command */
537 STATIC U32
538 ASR_initiateCp (
539         INOUT i2oRegs_t     * virt,
540         INOUT U8            * fvirt,
541         IN PI2O_MESSAGE_FRAME Message)
542 {
543         OUT U32               Mask = -1L;
544         U32                   MessageOffset;
545         u_int                 Delay = 1500;
546
547         /*
548          * ASR_initiateCp is only used for synchronous commands and will
549          * be made more resiliant to adapter delays since commands like
550          * resetIOP can cause the adapter to be deaf for a little time.
551          */
552         while (((MessageOffset = ASR_getMessage(virt)) == EMPTY_QUEUE)
553          && (--Delay != 0)) {
554                 DELAY (10000);
555         }
556         if (MessageOffset != EMPTY_QUEUE) {
557                 bcopy (Message, fvirt + MessageOffset,
558                   I2O_MESSAGE_FRAME_getMessageSize(Message) << 2);
559                 /*
560                  *      Disable the Interrupts
561                  */
562                 virt->Mask = (Mask = virt->Mask) | Mask_InterruptsDisabled;
563                 virt->ToFIFO = MessageOffset;
564         }
565         return (Mask);
566 } /* ASR_initiateCp */
567
568 /*
569  *      Reset the adapter.
570  */
571 STATIC U32
572 ASR_resetIOP (
573         INOUT i2oRegs_t                * virt,
574         INOUT U8                       * fvirt)
575 {
576         struct resetMessage {
577                 I2O_EXEC_IOP_RESET_MESSAGE M;
578                 U32                        R;
579         };
580         defAlignLong(struct resetMessage,Message);
581         PI2O_EXEC_IOP_RESET_MESSAGE      Message_Ptr;
582         OUT U32               * volatile Reply_Ptr;
583         U32                              Old;
584
585         /*
586          *  Build up our copy of the Message.
587          */
588         Message_Ptr = (PI2O_EXEC_IOP_RESET_MESSAGE)ASR_fillMessage(Message,
589           sizeof(I2O_EXEC_IOP_RESET_MESSAGE));
590         I2O_EXEC_IOP_RESET_MESSAGE_setFunction(Message_Ptr, I2O_EXEC_IOP_RESET);
591         /*
592          *  Reset the Reply Status
593          */
594         *(Reply_Ptr = (U32 *)((char *)Message_Ptr
595           + sizeof(I2O_EXEC_IOP_RESET_MESSAGE))) = 0;
596         I2O_EXEC_IOP_RESET_MESSAGE_setStatusWordLowAddress(Message_Ptr,
597           KVTOPHYS((void *)Reply_Ptr));
598         /*
599          *      Send the Message out
600          */
601         if ((Old = ASR_initiateCp (virt, fvirt, (PI2O_MESSAGE_FRAME)Message_Ptr)) != (U32)-1L) {
602                 /*
603                  *      Wait for a response (Poll), timeouts are dangerous if
604                  * the card is truly responsive. We assume response in 2s.
605                  */
606                 u_int8_t Delay = 200;
607
608                 while ((*Reply_Ptr == 0) && (--Delay != 0)) {
609                         DELAY (10000);
610                 }
611                 /*
612                  *      Re-enable the interrupts.
613                  */
614                 virt->Mask = Old;
615                 ASSERT (*Reply_Ptr);
616                 return (*Reply_Ptr);
617         }
618         ASSERT (Old != (U32)-1L);
619         return (0);
620 } /* ASR_resetIOP */
621
622 /*
623  *      Get the curent state of the adapter
624  */
625 STATIC INLINE PI2O_EXEC_STATUS_GET_REPLY
626 ASR_getStatus (
627         INOUT i2oRegs_t *                        virt,
628         INOUT U8 *                               fvirt,
629         OUT PI2O_EXEC_STATUS_GET_REPLY           buffer)
630 {
631         defAlignLong(I2O_EXEC_STATUS_GET_MESSAGE,Message);
632         PI2O_EXEC_STATUS_GET_MESSAGE             Message_Ptr;
633         U32                                      Old;
634
635         /*
636          *  Build up our copy of the Message.
637          */
638         Message_Ptr = (PI2O_EXEC_STATUS_GET_MESSAGE)ASR_fillMessage(Message,
639           sizeof(I2O_EXEC_STATUS_GET_MESSAGE));
640         I2O_EXEC_STATUS_GET_MESSAGE_setFunction(Message_Ptr,
641           I2O_EXEC_STATUS_GET);
642         I2O_EXEC_STATUS_GET_MESSAGE_setReplyBufferAddressLow(Message_Ptr,
643           KVTOPHYS((void *)buffer));
644         /* This one is a Byte Count */
645         I2O_EXEC_STATUS_GET_MESSAGE_setReplyBufferLength(Message_Ptr,
646           sizeof(I2O_EXEC_STATUS_GET_REPLY));
647         /*
648          *  Reset the Reply Status
649          */
650         bzero ((void *)buffer, sizeof(I2O_EXEC_STATUS_GET_REPLY));
651         /*
652          *      Send the Message out
653          */
654         if ((Old = ASR_initiateCp (virt, fvirt, (PI2O_MESSAGE_FRAME)Message_Ptr)) != (U32)-1L) {
655                 /*
656                  *      Wait for a response (Poll), timeouts are dangerous if
657                  * the card is truly responsive. We assume response in 50ms.
658                  */
659                 u_int8_t Delay = 255;
660
661                 while (*((U8 * volatile)&(buffer->SyncByte)) == 0) {
662                         if (--Delay == 0) {
663                                 buffer = (PI2O_EXEC_STATUS_GET_REPLY)NULL;
664                                 break;
665                         }
666                         DELAY (1000);
667                 }
668                 /*
669                  *      Re-enable the interrupts.
670                  */
671                 virt->Mask = Old;
672                 return (buffer);
673         }
674         return ((PI2O_EXEC_STATUS_GET_REPLY)NULL);
675 } /* ASR_getStatus */
676
677 /*
678  *      Check if the device is a SCSI I2O HBA, and add it to the list.
679  */
680
681 /*
682  * Probe for ASR controller.  If we find it, we will use it.
683  * virtual adapters.
684  */
685 STATIC PROBE_RET
686 asr_probe(PROBE_ARGS)
687 {
688         PROBE_SET();
689         if ((id == 0xA5011044) || (id == 0xA5111044)) {
690                 PROBE_RETURN ("Adaptec Caching SCSI RAID");
691         }
692         PROBE_RETURN (NULL);
693 } /* asr_probe */
694
695 /*
696  * Probe/Attach for DOMINO chipset.
697  */
698 STATIC PROBE_RET
699 domino_probe(PROBE_ARGS)
700 {
701         PROBE_SET();
702         if (id == 0x10121044) {
703                 PROBE_RETURN ("Adaptec Caching Memory Controller");
704         }
705         PROBE_RETURN (NULL);
706 } /* domino_probe */
707
708 STATIC ATTACH_RET
709 domino_attach (ATTACH_ARGS)
710 {
711         ATTACH_RETURN (0);
712 } /* domino_attach */
713
714 /*
715  * Probe/Attach for MODE0 adapters.
716  */
717 STATIC PROBE_RET
718 mode0_probe(PROBE_ARGS)
719 {
720         PROBE_SET();
721
722         /*
723          *      If/When we can get a business case to commit to a
724          * Mode0 driver here, we can make all these tests more
725          * specific and robust. Mode0 adapters have their processors
726          * turned off, this the chips are in a raw state.
727          */
728
729         /* This is a PLX9054 */
730         if (id == 0x905410B5) {
731                 PROBE_RETURN ("Adaptec Mode0 PM3757");
732         }
733         /* This is a PLX9080 */
734         if (id == 0x908010B5) {
735                 PROBE_RETURN ("Adaptec Mode0 PM3754/PM3755");
736         }
737         /* This is a ZION 80303 */
738         if (id == 0x53098086) {
739                 PROBE_RETURN ("Adaptec Mode0 3010S");
740         }
741         /* This is an i960RS */
742         if (id == 0x39628086) {
743                 PROBE_RETURN ("Adaptec Mode0 2100S");
744         }
745         /* This is an i960RN */
746         if (id == 0x19648086) {
747                 PROBE_RETURN ("Adaptec Mode0 PM2865/2400A/3200S/3400S");
748         }
749 #if 0   /* this would match any generic i960 -- mjs */
750         /* This is an i960RP (typically also on Motherboards) */
751         if (id == 0x19608086) {
752                 PROBE_RETURN ("Adaptec Mode0 PM2554/PM1554/PM2654");
753         }
754 #endif
755         PROBE_RETURN (NULL);
756 } /* mode0_probe */
757
758 STATIC ATTACH_RET
759 mode0_attach (ATTACH_ARGS)
760 {
761         ATTACH_RETURN (0);
762 } /* mode0_attach */
763
764 STATIC INLINE union asr_ccb *
765 asr_alloc_ccb (
766         IN Asr_softc_t    * sc)
767 {
768         OUT union asr_ccb * new_ccb;
769
770         new_ccb = (union asr_ccb *)kmalloc(sizeof(*new_ccb), M_DEVBUF,
771             M_WAITOK | M_ZERO);
772         new_ccb->ccb_h.pinfo.priority = 1;
773         new_ccb->ccb_h.pinfo.index = CAM_UNQUEUED_INDEX;
774         new_ccb->ccb_h.spriv_ptr0 = sc;
775         return (new_ccb);
776 } /* asr_alloc_ccb */
777
778 STATIC INLINE void
779 asr_free_ccb (
780         IN union asr_ccb * free_ccb)
781 {
782         kfree(free_ccb, M_DEVBUF);
783 } /* asr_free_ccb */
784
785 /*
786  *      Print inquiry data `carefully'
787  */
788 STATIC void
789 ASR_prstring (
790         u_int8_t * s,
791         int        len)
792 {
793         while ((--len >= 0) && (*s) && (*s != ' ') && (*s != '-')) {
794                 kprintf ("%c", *(s++));
795         }
796 } /* ASR_prstring */
797
798 /*
799  * Prototypes
800  */
801 STATIC INLINE int ASR_queue (
802         IN Asr_softc_t             * sc,
803         IN PI2O_MESSAGE_FRAME Message);
804 /*
805  *      Send a message synchronously and without Interrupt to a ccb.
806  */
807 STATIC int
808 ASR_queue_s (
809         INOUT union asr_ccb * ccb,
810         IN PI2O_MESSAGE_FRAME Message)
811 {
812         U32                   Mask;
813         Asr_softc_t         * sc = (Asr_softc_t *)(ccb->ccb_h.spriv_ptr0);
814
815         /*
816          * We do not need any (optional byteswapping) method access to
817          * the Initiator context field.
818          */
819         I2O_MESSAGE_FRAME_setInitiatorContext64(Message, (long)ccb);
820
821         /* Prevent interrupt service */
822         crit_enter();
823         sc->ha_Virt->Mask = (Mask = sc->ha_Virt->Mask)
824           | Mask_InterruptsDisabled;
825
826         if (ASR_queue (sc, Message) == EMPTY_QUEUE) {
827                 ccb->ccb_h.status &= ~CAM_STATUS_MASK;
828                 ccb->ccb_h.status |= CAM_REQUEUE_REQ;
829         }
830
831         /*
832          * Wait for this board to report a finished instruction.
833          */
834         while ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INPROG) {
835                 (void)asr_intr (sc);
836         }
837
838         /* Re-enable Interrupts */
839         sc->ha_Virt->Mask = Mask;
840         crit_exit();
841
842         return (ccb->ccb_h.status);
843 } /* ASR_queue_s */
844
845 /*
846  *      Send a message synchronously to a Asr_softc_t
847  */
848 STATIC int
849 ASR_queue_c (
850         IN Asr_softc_t      * sc,
851         IN PI2O_MESSAGE_FRAME Message)
852 {
853         union asr_ccb       * ccb;
854         OUT int               status;
855
856         if ((ccb = asr_alloc_ccb (sc)) == NULL) {
857                 return (CAM_REQUEUE_REQ);
858         }
859
860         status = ASR_queue_s (ccb, Message);
861
862         asr_free_ccb(ccb);
863
864         return (status);
865 } /* ASR_queue_c */
866
867 /*
868  *      Add the specified ccb to the active queue
869  */
870 STATIC INLINE void
871 ASR_ccbAdd (
872         IN Asr_softc_t      * sc,
873         INOUT union asr_ccb * ccb)
874 {
875         crit_enter();
876         LIST_INSERT_HEAD(&(sc->ha_ccb), &(ccb->ccb_h), sim_links.le);
877         if (ccb->ccb_h.timeout != CAM_TIME_INFINITY) {
878                 if (ccb->ccb_h.timeout == CAM_TIME_DEFAULT) {
879                         /*
880                          * RAID systems can take considerable time to
881                          * complete some commands given the large cache
882                          * flashes switching from write back to write thru.
883                          */
884                         ccb->ccb_h.timeout = 6 * 60 * 1000;
885                 }
886                 callout_reset(&ccb->ccb_h.timeout_ch,
887                     (ccb->ccb_h.timeout * hz) / 1000, asr_timeout, ccb);
888         }
889         crit_exit();
890 } /* ASR_ccbAdd */
891
892 /*
893  *      Remove the specified ccb from the active queue.
894  */
895 STATIC INLINE void
896 ASR_ccbRemove (
897         IN Asr_softc_t      * sc,
898         INOUT union asr_ccb * ccb)
899 {
900         crit_enter();
901         callout_stop(&ccb->ccb_h.timeout_ch);
902         LIST_REMOVE(&(ccb->ccb_h), sim_links.le);
903         crit_exit();
904 } /* ASR_ccbRemove */
905
906 /*
907  *      Fail all the active commands, so they get re-issued by the operating
908  *      system.
909  */
910 STATIC INLINE void
911 ASR_failActiveCommands (
912         IN Asr_softc_t                         * sc)
913 {
914         struct ccb_hdr                         * ccb;
915
916 #if 0 /* Currently handled by callers, unnecessary paranoia currently */
917       /* Left in for historical perspective. */
918         defAlignLong(I2O_EXEC_LCT_NOTIFY_MESSAGE,Message);
919         PI2O_EXEC_LCT_NOTIFY_MESSAGE             Message_Ptr;
920
921         /* Send a blind LCT command to wait for the enableSys to complete */
922         Message_Ptr = (PI2O_EXEC_LCT_NOTIFY_MESSAGE)ASR_fillMessage(Message,
923           sizeof(I2O_EXEC_LCT_NOTIFY_MESSAGE) - sizeof(I2O_SG_ELEMENT));
924         I2O_MESSAGE_FRAME_setFunction(&(Message_Ptr->StdMessageFrame),
925           I2O_EXEC_LCT_NOTIFY);
926         I2O_EXEC_LCT_NOTIFY_MESSAGE_setClassIdentifier(Message_Ptr,
927           I2O_CLASS_MATCH_ANYCLASS);
928         (void)ASR_queue_c(sc, (PI2O_MESSAGE_FRAME)Message_Ptr);
929 #endif
930
931         crit_enter();
932         /*
933          *      We do not need to inform the CAM layer that we had a bus
934          * reset since we manage it on our own, this also prevents the
935          * SCSI_DELAY settling that would be required on other systems.
936          * The `SCSI_DELAY' has already been handled by the card via the
937          * acquisition of the LCT table while we are at CAM priority level.
938          *  for (int bus = 0; bus <= sc->ha_MaxBus; ++bus) {
939          *      xpt_async (AC_BUS_RESET, sc->ha_path[bus], NULL);
940          *  }
941          */
942         while ((ccb = LIST_FIRST(&(sc->ha_ccb))) != NULL) {
943                 ASR_ccbRemove (sc, (union asr_ccb *)ccb);
944
945                 ccb->status &= ~CAM_STATUS_MASK;
946                 ccb->status |= CAM_REQUEUE_REQ;
947                 /* Nothing Transfered */
948                 ((struct ccb_scsiio *)ccb)->resid
949                   = ((struct ccb_scsiio *)ccb)->dxfer_len;
950
951                 if (ccb->path) {
952                         xpt_done ((union ccb *)ccb);
953                 } else {
954                         wakeup ((caddr_t)ccb);
955                 }
956         }
957         crit_exit();
958 } /* ASR_failActiveCommands */
959
960 /*
961  *      The following command causes the HBA to reset the specific bus
962  */
963 STATIC INLINE void
964 ASR_resetBus(
965         IN Asr_softc_t                       * sc,
966         IN int                                 bus)
967 {
968         defAlignLong(I2O_HBA_BUS_RESET_MESSAGE,Message);
969         I2O_HBA_BUS_RESET_MESSAGE            * Message_Ptr;
970         PI2O_LCT_ENTRY                         Device;
971
972         Message_Ptr = (I2O_HBA_BUS_RESET_MESSAGE *)ASR_fillMessage(Message,
973           sizeof(I2O_HBA_BUS_RESET_MESSAGE));
974         I2O_MESSAGE_FRAME_setFunction(&Message_Ptr->StdMessageFrame,
975           I2O_HBA_BUS_RESET);
976         for (Device = sc->ha_LCT->LCTEntry; Device < (PI2O_LCT_ENTRY)
977           (((U32 *)sc->ha_LCT)+I2O_LCT_getTableSize(sc->ha_LCT));
978           ++Device) {
979                 if (((Device->le_type & I2O_PORT) != 0)
980                  && (Device->le_bus == bus)) {
981                         I2O_MESSAGE_FRAME_setTargetAddress(
982                           &Message_Ptr->StdMessageFrame,
983                           I2O_LCT_ENTRY_getLocalTID(Device));
984                         /* Asynchronous command, with no expectations */
985                         (void)ASR_queue(sc, (PI2O_MESSAGE_FRAME)Message_Ptr);
986                         break;
987                 }
988         }
989 } /* ASR_resetBus */
990
991 STATIC INLINE int
992 ASR_getBlinkLedCode (
993         IN Asr_softc_t * sc)
994 {
995         if ((sc != NULL)
996          && (sc->ha_blinkLED != NULL)
997          && (sc->ha_blinkLED[1] == 0xBC)) {
998                 return (sc->ha_blinkLED[0]);
999         }
1000         return (0);
1001 } /* ASR_getBlinkCode */
1002
1003 /*
1004  *      Determine the address of an TID lookup. Must be done at high priority
1005  *      since the address can be changed by other threads of execution.
1006  *
1007  *      Returns NULL pointer if not indexible (but will attempt to generate
1008  *      an index if `new_entry' flag is set to TRUE).
1009  *
1010  *      All addressible entries are to be guaranteed zero if never initialized.
1011  */
1012 STATIC INLINE tid_t *
1013 ASR_getTidAddress(
1014         INOUT Asr_softc_t * sc,
1015         IN int              bus,
1016         IN int              target,
1017         IN int              lun,
1018         IN int              new_entry)
1019 {
1020         target2lun_t      * bus_ptr;
1021         lun2tid_t         * target_ptr;
1022         unsigned            new_size;
1023
1024         /*
1025          *      Validity checking of incoming parameters. More of a bound
1026          * expansion limit than an issue with the code dealing with the
1027          * values.
1028          *
1029          *      sc must be valid before it gets here, so that check could be
1030          * dropped if speed a critical issue.
1031          */
1032         if ((sc == NULL)
1033          || (bus > MAX_CHANNEL)
1034          || (target > sc->ha_MaxId)
1035          || (lun > sc->ha_MaxLun)) {
1036                 debug_asr_printf("(%lx,%d,%d,%d) target out of range\n",
1037                   (u_long)sc, bus, target, lun);
1038                 return (NULL);
1039         }
1040         /*
1041          *      See if there is an associated bus list.
1042          *
1043          *      for performance, allocate in size of BUS_CHUNK chunks.
1044          *      BUS_CHUNK must be a power of two. This is to reduce
1045          *      fragmentation effects on the allocations.
1046          */
1047 #       define BUS_CHUNK 8
1048         new_size = ((target + BUS_CHUNK - 1) & ~(BUS_CHUNK - 1));
1049         if ((bus_ptr = sc->ha_targets[bus]) == NULL) {
1050                 /*
1051                  *      Allocate a new structure?
1052                  *              Since one element in structure, the +1
1053                  *              needed for size has been abstracted.
1054                  */
1055                 if ((new_entry == FALSE)
1056                  || ((sc->ha_targets[bus] = bus_ptr = (target2lun_t *)kmalloc (
1057                     sizeof(*bus_ptr) + (sizeof(bus_ptr->LUN) * new_size),
1058                     M_TEMP, M_WAITOK))
1059                    == NULL)) {
1060                         debug_asr_printf("failed to allocate bus list\n");
1061                         return (NULL);
1062                 }
1063                 bzero (bus_ptr, sizeof(*bus_ptr)
1064                   + (sizeof(bus_ptr->LUN) * new_size));
1065                 bus_ptr->size = new_size + 1;
1066         } else if (bus_ptr->size <= new_size) {
1067                 target2lun_t * new_bus_ptr;
1068
1069                 /*
1070                  *      Reallocate a new structure?
1071                  *              Since one element in structure, the +1
1072                  *              needed for size has been abstracted.
1073                  */
1074                 if ((new_entry == FALSE)
1075                  || ((new_bus_ptr = (target2lun_t *)kmalloc (
1076                     sizeof(*bus_ptr) + (sizeof(bus_ptr->LUN) * new_size),
1077                     M_TEMP, M_WAITOK))
1078                    == NULL)) {
1079                         debug_asr_printf("failed to reallocate bus list\n");
1080                         return (NULL);
1081                 }
1082                 /*
1083                  *      Zero and copy the whole thing, safer, simpler coding
1084                  * and not really performance critical at this point.
1085                  */
1086                 bzero (new_bus_ptr, sizeof(*bus_ptr)
1087                   + (sizeof(bus_ptr->LUN) * new_size));
1088                 bcopy (bus_ptr, new_bus_ptr, sizeof(*bus_ptr)
1089                   + (sizeof(bus_ptr->LUN) * (bus_ptr->size - 1)));
1090                 sc->ha_targets[bus] = new_bus_ptr;
1091                 kfree (bus_ptr, M_TEMP);
1092                 bus_ptr = new_bus_ptr;
1093                 bus_ptr->size = new_size + 1;
1094         }
1095         /*
1096          *      We now have the bus list, lets get to the target list.
1097          *      Since most systems have only *one* lun, we do not allocate
1098          *      in chunks as above, here we allow one, then in chunk sizes.
1099          *      TARGET_CHUNK must be a power of two. This is to reduce
1100          *      fragmentation effects on the allocations.
1101          */
1102 #       define TARGET_CHUNK 8
1103         if ((new_size = lun) != 0) {
1104                 new_size = ((lun + TARGET_CHUNK - 1) & ~(TARGET_CHUNK - 1));
1105         }
1106         if ((target_ptr = bus_ptr->LUN[target]) == NULL) {
1107                 /*
1108                  *      Allocate a new structure?
1109                  *              Since one element in structure, the +1
1110                  *              needed for size has been abstracted.
1111                  */
1112                 if ((new_entry == FALSE)
1113                  || ((bus_ptr->LUN[target] = target_ptr = (lun2tid_t *)kmalloc (
1114                     sizeof(*target_ptr) + (sizeof(target_ptr->TID) * new_size),
1115                     M_TEMP, M_WAITOK))
1116                    == NULL)) {
1117                         debug_asr_printf("failed to allocate target list\n");
1118                         return (NULL);
1119                 }
1120                 bzero (target_ptr, sizeof(*target_ptr)
1121                   + (sizeof(target_ptr->TID) * new_size));
1122                 target_ptr->size = new_size + 1;
1123         } else if (target_ptr->size <= new_size) {
1124                 lun2tid_t * new_target_ptr;
1125
1126                 /*
1127                  *      Reallocate a new structure?
1128                  *              Since one element in structure, the +1
1129                  *              needed for size has been abstracted.
1130                  */
1131                 if ((new_entry == FALSE)
1132                  || ((new_target_ptr = (lun2tid_t *)kmalloc (
1133                     sizeof(*target_ptr) + (sizeof(target_ptr->TID) * new_size),
1134                     M_TEMP, M_WAITOK))
1135                    == NULL)) {
1136                         debug_asr_printf("failed to reallocate target list\n");
1137                         return (NULL);
1138                 }
1139                 /*
1140                  *      Zero and copy the whole thing, safer, simpler coding
1141                  * and not really performance critical at this point.
1142                  */
1143                 bzero (new_target_ptr, sizeof(*target_ptr)
1144                   + (sizeof(target_ptr->TID) * new_size));
1145                 bcopy (target_ptr, new_target_ptr,
1146                   sizeof(*target_ptr)
1147                   + (sizeof(target_ptr->TID) * (target_ptr->size - 1)));
1148                 bus_ptr->LUN[target] = new_target_ptr;
1149                 kfree (target_ptr, M_TEMP);
1150                 target_ptr = new_target_ptr;
1151                 target_ptr->size = new_size + 1;
1152         }
1153         /*
1154          *      Now, acquire the TID address from the LUN indexed list.
1155          */
1156         return (&(target_ptr->TID[lun]));
1157 } /* ASR_getTidAddress */
1158
1159 /*
1160  *      Get a pre-existing TID relationship.
1161  *
1162  *      If the TID was never set, return (tid_t)-1.
1163  *
1164  *      should use mutex rather than spl.
1165  */
1166 STATIC INLINE tid_t
1167 ASR_getTid (
1168         IN Asr_softc_t * sc,
1169         IN int           bus,
1170         IN int           target,
1171         IN int           lun)
1172 {
1173         tid_t          * tid_ptr;
1174         OUT tid_t        retval;
1175
1176         crit_enter();
1177         if (((tid_ptr = ASR_getTidAddress (sc, bus, target, lun, FALSE))
1178           == NULL)
1179         /* (tid_t)0 or (tid_t)-1 indicate no TID */
1180          || (*tid_ptr == (tid_t)0)) {
1181                 crit_exit();
1182                 return ((tid_t)-1);
1183         }
1184         retval = *tid_ptr;
1185         crit_exit();
1186         return (retval);
1187 } /* ASR_getTid */
1188
1189 /*
1190  *      Set a TID relationship.
1191  *
1192  *      If the TID was not set, return (tid_t)-1.
1193  *
1194  *      should use mutex rather than spl.
1195  */
1196 STATIC INLINE tid_t
1197 ASR_setTid (
1198         INOUT Asr_softc_t * sc,
1199         IN int              bus,
1200         IN int              target,
1201         IN int              lun,
1202         INOUT tid_t         TID)
1203 {
1204         tid_t             * tid_ptr;
1205
1206         if (TID != (tid_t)-1) {
1207                 if (TID == 0) {
1208                         return ((tid_t)-1);
1209                 }
1210                 crit_enter();
1211                 if ((tid_ptr = ASR_getTidAddress (sc, bus, target, lun, TRUE))
1212                  == NULL) {
1213                         crit_exit();
1214                         return ((tid_t)-1);
1215                 }
1216                 *tid_ptr = TID;
1217                 crit_exit();
1218         }
1219         return (TID);
1220 } /* ASR_setTid */
1221
1222 /*-------------------------------------------------------------------------*/
1223 /*                    Function ASR_rescan                                  */
1224 /*-------------------------------------------------------------------------*/
1225 /* The Parameters Passed To This Function Are :                            */
1226 /*     Asr_softc_t *     : HBA miniport driver's adapter data storage.     */
1227 /*                                                                         */
1228 /* This Function Will rescan the adapter and resynchronize any data        */
1229 /*                                                                         */
1230 /* Return : 0 For OK, Error Code Otherwise                                 */
1231 /*-------------------------------------------------------------------------*/
1232
1233 STATIC INLINE int
1234 ASR_rescan(
1235         IN Asr_softc_t * sc)
1236 {
1237         int              bus;
1238         OUT int          error;
1239
1240         /*
1241          * Re-acquire the LCT table and synchronize us to the adapter.
1242          */
1243         if ((error = ASR_acquireLct(sc)) == 0) {
1244                 error = ASR_acquireHrt(sc);
1245         }
1246
1247         if (error != 0) {
1248                 return error;
1249         }
1250
1251         bus = sc->ha_MaxBus;
1252         /* Reset all existing cached TID lookups */
1253         do {
1254                 int target, event = 0;
1255
1256                 /*
1257                  *      Scan for all targets on this bus to see if they
1258                  * got affected by the rescan.
1259                  */
1260                 for (target = 0; target <= sc->ha_MaxId; ++target) {
1261                         int lun;
1262
1263                         /* Stay away from the controller ID */
1264                         if (target == sc->ha_adapter_target[bus]) {
1265                                 continue;
1266                         }
1267                         for (lun = 0; lun <= sc->ha_MaxLun; ++lun) {
1268                                 PI2O_LCT_ENTRY Device;
1269                                 tid_t          TID = (tid_t)-1;
1270                                 tid_t          LastTID;
1271
1272                                 /*
1273                                  * See if the cached TID changed. Search for
1274                                  * the device in our new LCT.
1275                                  */
1276                                 for (Device = sc->ha_LCT->LCTEntry;
1277                                   Device < (PI2O_LCT_ENTRY)(((U32 *)sc->ha_LCT)
1278                                    + I2O_LCT_getTableSize(sc->ha_LCT));
1279                                   ++Device) {
1280                                         if ((Device->le_type != I2O_UNKNOWN)
1281                                          && (Device->le_bus == bus)
1282                                          && (Device->le_target == target)
1283                                          && (Device->le_lun == lun)
1284                                          && (I2O_LCT_ENTRY_getUserTID(Device)
1285                                           == 0xFFF)) {
1286                                                 TID = I2O_LCT_ENTRY_getLocalTID(
1287                                                   Device);
1288                                                 break;
1289                                         }
1290                                 }
1291                                 /*
1292                                  * Indicate to the OS that the label needs
1293                                  * to be recalculated, or that the specific
1294                                  * open device is no longer valid (Merde)
1295                                  * because the cached TID changed.
1296                                  */
1297                                 LastTID = ASR_getTid (sc, bus, target, lun);
1298                                 if (LastTID != TID) {
1299                                         struct cam_path * path;
1300
1301                                         if (xpt_create_path(&path,
1302                                           /*periph*/NULL,
1303                                           cam_sim_path(sc->ha_sim[bus]),
1304                                           target, lun) != CAM_REQ_CMP) {
1305                                                 if (TID == (tid_t)-1) {
1306                                                         event |= AC_LOST_DEVICE;
1307                                                 } else {
1308                                                         event |= AC_INQ_CHANGED
1309                                                                | AC_GETDEV_CHANGED;
1310                                                 }
1311                                         } else {
1312                                                 if (TID == (tid_t)-1) {
1313                                                         xpt_async(
1314                                                           AC_LOST_DEVICE,
1315                                                           path, NULL);
1316                                                 } else if (LastTID == (tid_t)-1) {
1317                                                         struct ccb_getdev ccb;
1318
1319                                                         xpt_setup_ccb(
1320                                                           &(ccb.ccb_h),
1321                                                           path, /*priority*/5);
1322                                                         xpt_async(
1323                                                           AC_FOUND_DEVICE,
1324                                                           path,
1325                                                           &ccb);
1326                                                 } else {
1327                                                         xpt_async(
1328                                                           AC_INQ_CHANGED,
1329                                                           path, NULL);
1330                                                         xpt_async(
1331                                                           AC_GETDEV_CHANGED,
1332                                                           path, NULL);
1333                                                 }
1334                                         }
1335                                 }
1336                                 /*
1337                                  *      We have the option of clearing the
1338                                  * cached TID for it to be rescanned, or to
1339                                  * set it now even if the device never got
1340                                  * accessed. We chose the later since we
1341                                  * currently do not use the condition that
1342                                  * the TID ever got cached.
1343                                  */
1344                                 ASR_setTid (sc, bus, target, lun, TID);
1345                         }
1346                 }
1347                 /*
1348                  *      The xpt layer can not handle multiple events at the
1349                  * same call.
1350                  */
1351                 if (event & AC_LOST_DEVICE) {
1352                         xpt_async(AC_LOST_DEVICE, sc->ha_path[bus], NULL);
1353                 }
1354                 if (event & AC_INQ_CHANGED) {
1355                         xpt_async(AC_INQ_CHANGED, sc->ha_path[bus], NULL);
1356                 }
1357                 if (event & AC_GETDEV_CHANGED) {
1358                         xpt_async(AC_GETDEV_CHANGED, sc->ha_path[bus], NULL);
1359                 }
1360         } while (--bus >= 0);
1361         return (error);
1362 } /* ASR_rescan */
1363
1364 /*-------------------------------------------------------------------------*/
1365 /*                    Function ASR_reset                                   */
1366 /*-------------------------------------------------------------------------*/
1367 /* The Parameters Passed To This Function Are :                            */
1368 /*     Asr_softc_t *      : HBA miniport driver's adapter data storage.    */
1369 /*                                                                         */
1370 /* This Function Will reset the adapter and resynchronize any data         */
1371 /*                                                                         */
1372 /* Return : None                                                           */
1373 /*-------------------------------------------------------------------------*/
1374
1375 STATIC INLINE int
1376 ASR_reset(
1377         IN Asr_softc_t * sc)
1378 {
1379         int              retVal;
1380
1381         crit_enter();
1382         if ((sc->ha_in_reset == HA_IN_RESET)
1383          || (sc->ha_in_reset == HA_OFF_LINE_RECOVERY)) {
1384                 crit_exit();
1385                 return (EBUSY);
1386         }
1387         /*
1388          *      Promotes HA_OPERATIONAL to HA_IN_RESET,
1389          * or HA_OFF_LINE to HA_OFF_LINE_RECOVERY.
1390          */
1391         ++(sc->ha_in_reset);
1392         if (ASR_resetIOP (sc->ha_Virt, sc->ha_Fvirt) == 0) {
1393                 debug_asr_printf ("ASR_resetIOP failed\n");
1394                 /*
1395                  *      We really need to take this card off-line, easier said
1396                  * than make sense. Better to keep retrying for now since if a
1397                  * UART cable is connected the blinkLEDs the adapter is now in
1398                  * a hard state requiring action from the monitor commands to
1399                  * the HBA to continue. For debugging waiting forever is a
1400                  * good thing. In a production system, however, one may wish
1401                  * to instead take the card off-line ...
1402                  */
1403 #               if 0 && (defined(HA_OFF_LINE))
1404                         /*
1405                          * Take adapter off-line.
1406                          */
1407                         kprintf ("asr%d: Taking adapter off-line\n",
1408                           sc->ha_path[0]
1409                             ? cam_sim_unit(xpt_path_sim(sc->ha_path[0]))
1410                             : 0);
1411                         sc->ha_in_reset = HA_OFF_LINE;
1412                         crit_exit();
1413                         return (ENXIO);
1414 #               else
1415                         /* Wait Forever */
1416                         while (ASR_resetIOP (sc->ha_Virt, sc->ha_Fvirt) == 0);
1417 #               endif
1418         }
1419         retVal = ASR_init (sc);
1420         crit_exit();
1421         if (retVal != 0) {
1422                 debug_asr_printf ("ASR_init failed\n");
1423                 sc->ha_in_reset = HA_OFF_LINE;
1424                 return (ENXIO);
1425         }
1426         if (ASR_rescan (sc) != 0) {
1427                 debug_asr_printf ("ASR_rescan failed\n");
1428         }
1429         ASR_failActiveCommands (sc);
1430         if (sc->ha_in_reset == HA_OFF_LINE_RECOVERY) {
1431                 kprintf ("asr%d: Brining adapter back on-line\n",
1432                   sc->ha_path[0]
1433                     ? cam_sim_unit(xpt_path_sim(sc->ha_path[0]))
1434                     : 0);
1435         }
1436         sc->ha_in_reset = HA_OPERATIONAL;
1437         return (0);
1438 } /* ASR_reset */
1439
1440 /*
1441  *      Device timeout handler.
1442  */
1443 STATIC void
1444 asr_timeout(
1445         INOUT void  * arg)
1446 {
1447         union asr_ccb * ccb = (union asr_ccb *)arg;
1448         Asr_softc_t   * sc = (Asr_softc_t *)(ccb->ccb_h.spriv_ptr0);
1449         int             s;
1450
1451         debug_asr_print_path(ccb);
1452         debug_asr_printf("timed out");
1453
1454         /*
1455          *      Check if the adapter has locked up?
1456          */
1457         if ((s = ASR_getBlinkLedCode(sc)) != 0) {
1458                 /* Reset Adapter */
1459                 kprintf ("asr%d: Blink LED 0x%x resetting adapter\n",
1460                   cam_sim_unit(xpt_path_sim(ccb->ccb_h.path)), s);
1461                 if (ASR_reset (sc) == ENXIO) {
1462                         /* Try again later */
1463                         callout_reset(&ccb->ccb_h.timeout_ch,
1464                             (ccb->ccb_h.timeout * hz) / 1000, asr_timeout, ccb);
1465                 }
1466                 return;
1467         }
1468         /*
1469          *      Abort does not function on the ASR card!!! Walking away from
1470          * the SCSI command is also *very* dangerous. A SCSI BUS reset is
1471          * our best bet, followed by a complete adapter reset if that fails.
1472          */
1473         crit_enter();
1474         /* Check if we already timed out once to raise the issue */
1475         if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_CMD_TIMEOUT) {
1476                 debug_asr_printf (" AGAIN\nreinitializing adapter\n");
1477                 if (ASR_reset (sc) == ENXIO) {
1478                         callout_reset(&ccb->ccb_h.timeout_ch,
1479                             (ccb->ccb_h.timeout * hz) / 1000, asr_timeout, ccb);
1480                 }
1481                 crit_exit();
1482                 return;
1483         }
1484         debug_asr_printf ("\nresetting bus\n");
1485         /* If the BUS reset does not take, then an adapter reset is next! */
1486         ccb->ccb_h.status &= ~CAM_STATUS_MASK;
1487         ccb->ccb_h.status |= CAM_CMD_TIMEOUT;
1488         callout_reset(&ccb->ccb_h.timeout_ch, (ccb->ccb_h.timeout * hz) / 1000,
1489                       asr_timeout, ccb);
1490         ASR_resetBus (sc, cam_sim_bus(xpt_path_sim(ccb->ccb_h.path)));
1491         xpt_async (AC_BUS_RESET, ccb->ccb_h.path, NULL);
1492         crit_exit();
1493 } /* asr_timeout */
1494
1495 /*
1496  * send a message asynchronously
1497  */
1498 STATIC INLINE int
1499 ASR_queue(
1500         IN Asr_softc_t      * sc,
1501         IN PI2O_MESSAGE_FRAME Message)
1502 {
1503         OUT U32               MessageOffset;
1504         union asr_ccb       * ccb;
1505
1506         debug_asr_printf ("Host Command Dump:\n");
1507         debug_asr_dump_message (Message);
1508
1509         ccb = (union asr_ccb *)(long)
1510           I2O_MESSAGE_FRAME_getInitiatorContext64(Message);
1511
1512         if ((MessageOffset = ASR_getMessage(sc->ha_Virt)) != EMPTY_QUEUE) {
1513                 bcopy (Message, sc->ha_Fvirt + MessageOffset,
1514                   I2O_MESSAGE_FRAME_getMessageSize(Message) << 2);
1515                 if (ccb) {
1516                         ASR_ccbAdd (sc, ccb);
1517                 }
1518                 /* Post the command */
1519                 sc->ha_Virt->ToFIFO = MessageOffset;
1520         } else {
1521                 if (ASR_getBlinkLedCode(sc)) {
1522                         /*
1523                          *      Unlikely we can do anything if we can't grab a
1524                          * message frame :-(, but lets give it a try.
1525                          */
1526                         (void)ASR_reset (sc);
1527                 }
1528         }
1529         return (MessageOffset);
1530 } /* ASR_queue */
1531
1532
1533 /* Simple Scatter Gather elements */
1534 #define SG(SGL,Index,Flags,Buffer,Size)                            \
1535         I2O_FLAGS_COUNT_setCount(                                  \
1536           &(((PI2O_SG_ELEMENT)(SGL))->u.Simple[Index].FlagsCount), \
1537           Size);                                                   \
1538         I2O_FLAGS_COUNT_setFlags(                                  \
1539           &(((PI2O_SG_ELEMENT)(SGL))->u.Simple[Index].FlagsCount), \
1540           I2O_SGL_FLAGS_SIMPLE_ADDRESS_ELEMENT | (Flags));         \
1541         I2O_SGE_SIMPLE_ELEMENT_setPhysicalAddress(                 \
1542           &(((PI2O_SG_ELEMENT)(SGL))->u.Simple[Index]),            \
1543           (Buffer == NULL) ? 0 : KVTOPHYS(Buffer))
1544
1545 /*
1546  *      Retrieve Parameter Group.
1547  *              Buffer must be allocated using defAlignLong macro.
1548  */
1549 STATIC void *
1550 ASR_getParams(
1551         IN Asr_softc_t                     * sc,
1552         IN tid_t                             TID,
1553         IN int                               Group,
1554         OUT void                           * Buffer,
1555         IN unsigned                          BufferSize)
1556 {
1557         struct paramGetMessage {
1558                 I2O_UTIL_PARAMS_GET_MESSAGE M;
1559                 char                         F[
1560                   sizeof(I2O_SGE_SIMPLE_ELEMENT)*2 - sizeof(I2O_SG_ELEMENT)];
1561                 struct Operations {
1562                         I2O_PARAM_OPERATIONS_LIST_HEADER Header;
1563                         I2O_PARAM_OPERATION_ALL_TEMPLATE Template[1];
1564                 }                            O;
1565         };
1566         defAlignLong(struct paramGetMessage, Message);
1567         struct Operations                  * Operations_Ptr;
1568         I2O_UTIL_PARAMS_GET_MESSAGE        * Message_Ptr;
1569         struct ParamBuffer {
1570                 I2O_PARAM_RESULTS_LIST_HEADER       Header;
1571                 I2O_PARAM_READ_OPERATION_RESULT     Read;
1572                 char                                Info[1];
1573         }                                  * Buffer_Ptr;
1574
1575         Message_Ptr = (I2O_UTIL_PARAMS_GET_MESSAGE *)ASR_fillMessage(Message,
1576           sizeof(I2O_UTIL_PARAMS_GET_MESSAGE)
1577             + sizeof(I2O_SGE_SIMPLE_ELEMENT)*2 - sizeof(I2O_SG_ELEMENT));
1578         Operations_Ptr = (struct Operations *)((char *)Message_Ptr
1579           + sizeof(I2O_UTIL_PARAMS_GET_MESSAGE)
1580           + sizeof(I2O_SGE_SIMPLE_ELEMENT)*2 - sizeof(I2O_SG_ELEMENT));
1581         bzero ((void *)Operations_Ptr, sizeof(struct Operations));
1582         I2O_PARAM_OPERATIONS_LIST_HEADER_setOperationCount(
1583           &(Operations_Ptr->Header), 1);
1584         I2O_PARAM_OPERATION_ALL_TEMPLATE_setOperation(
1585           &(Operations_Ptr->Template[0]), I2O_PARAMS_OPERATION_FIELD_GET);
1586         I2O_PARAM_OPERATION_ALL_TEMPLATE_setFieldCount(
1587           &(Operations_Ptr->Template[0]), 0xFFFF);
1588         I2O_PARAM_OPERATION_ALL_TEMPLATE_setGroupNumber(
1589           &(Operations_Ptr->Template[0]), Group);
1590         bzero ((void *)(Buffer_Ptr = getAlignLong(struct ParamBuffer, Buffer)),
1591           BufferSize);
1592
1593         I2O_MESSAGE_FRAME_setVersionOffset(&(Message_Ptr->StdMessageFrame),
1594           I2O_VERSION_11
1595           + (((sizeof(I2O_UTIL_PARAMS_GET_MESSAGE) - sizeof(I2O_SG_ELEMENT))
1596             / sizeof(U32)) << 4));
1597         I2O_MESSAGE_FRAME_setTargetAddress (&(Message_Ptr->StdMessageFrame),
1598           TID);
1599         I2O_MESSAGE_FRAME_setFunction (&(Message_Ptr->StdMessageFrame),
1600           I2O_UTIL_PARAMS_GET);
1601         /*
1602          *  Set up the buffers as scatter gather elements.
1603          */
1604         SG(&(Message_Ptr->SGL), 0,
1605           I2O_SGL_FLAGS_DIR | I2O_SGL_FLAGS_END_OF_BUFFER,
1606           Operations_Ptr, sizeof(struct Operations));
1607         SG(&(Message_Ptr->SGL), 1,
1608           I2O_SGL_FLAGS_LAST_ELEMENT | I2O_SGL_FLAGS_END_OF_BUFFER,
1609           Buffer_Ptr, BufferSize);
1610
1611         if ((ASR_queue_c(sc, (PI2O_MESSAGE_FRAME)Message_Ptr) == CAM_REQ_CMP)
1612          && (Buffer_Ptr->Header.ResultCount)) {
1613                 return ((void *)(Buffer_Ptr->Info));
1614         }
1615         return (NULL);
1616 } /* ASR_getParams */
1617
1618 /*
1619  *      Acquire the LCT information.
1620  */
1621 STATIC INLINE int
1622 ASR_acquireLct (
1623         INOUT Asr_softc_t          * sc)
1624 {
1625         PI2O_EXEC_LCT_NOTIFY_MESSAGE Message_Ptr;
1626         PI2O_SGE_SIMPLE_ELEMENT      sg;
1627         int                          MessageSizeInBytes;
1628         caddr_t                      v;
1629         int                          len;
1630         I2O_LCT                      Table;
1631         PI2O_LCT_ENTRY               Entry;
1632
1633         /*
1634          *      sc value assumed valid
1635          */
1636         MessageSizeInBytes = sizeof(I2O_EXEC_LCT_NOTIFY_MESSAGE)
1637           - sizeof(I2O_SG_ELEMENT) + sizeof(I2O_SGE_SIMPLE_ELEMENT);
1638         Message_Ptr = (PI2O_EXEC_LCT_NOTIFY_MESSAGE)kmalloc (
1639           MessageSizeInBytes, M_TEMP, M_WAITOK);
1640         (void)ASR_fillMessage((char *)Message_Ptr, MessageSizeInBytes);
1641         I2O_MESSAGE_FRAME_setVersionOffset(&(Message_Ptr->StdMessageFrame),
1642           (I2O_VERSION_11 +
1643           (((sizeof(I2O_EXEC_LCT_NOTIFY_MESSAGE) - sizeof(I2O_SG_ELEMENT))
1644                         / sizeof(U32)) << 4)));
1645         I2O_MESSAGE_FRAME_setFunction(&(Message_Ptr->StdMessageFrame),
1646           I2O_EXEC_LCT_NOTIFY);
1647         I2O_EXEC_LCT_NOTIFY_MESSAGE_setClassIdentifier(Message_Ptr,
1648           I2O_CLASS_MATCH_ANYCLASS);
1649         /*
1650          *      Call the LCT table to determine the number of device entries
1651          * to reserve space for.
1652          */
1653         SG(&(Message_Ptr->SGL), 0,
1654           I2O_SGL_FLAGS_LAST_ELEMENT | I2O_SGL_FLAGS_END_OF_BUFFER, &Table,
1655           sizeof(I2O_LCT));
1656         /*
1657          *      since this code is reused in several systems, code efficiency
1658          * is greater by using a shift operation rather than a divide by
1659          * sizeof(u_int32_t).
1660          */
1661         I2O_LCT_setTableSize(&Table,
1662           (sizeof(I2O_LCT) - sizeof(I2O_LCT_ENTRY)) >> 2);
1663         (void)ASR_queue_c(sc, (PI2O_MESSAGE_FRAME)Message_Ptr);
1664         /*
1665          *      Determine the size of the LCT table.
1666          */
1667         if (sc->ha_LCT) {
1668                 kfree (sc->ha_LCT, M_TEMP);
1669         }
1670         /*
1671          *      kmalloc only generates contiguous memory when less than a
1672          * page is expected. We must break the request up into an SG list ...
1673          */
1674         if (((len = (I2O_LCT_getTableSize(&Table) << 2)) <=
1675           (sizeof(I2O_LCT) - sizeof(I2O_LCT_ENTRY)))
1676          || (len > (128 * 1024))) {     /* Arbitrary */
1677                 kfree (Message_Ptr, M_TEMP);
1678                 return (EINVAL);
1679         }
1680         sc->ha_LCT = (PI2O_LCT)kmalloc (len, M_TEMP, M_WAITOK);
1681         /*
1682          *      since this code is reused in several systems, code efficiency
1683          * is greater by using a shift operation rather than a divide by
1684          * sizeof(u_int32_t).
1685          */
1686         I2O_LCT_setTableSize(sc->ha_LCT,
1687           (sizeof(I2O_LCT) - sizeof(I2O_LCT_ENTRY)) >> 2);
1688         /*
1689          *      Convert the access to the LCT table into a SG list.
1690          */
1691         sg = Message_Ptr->SGL.u.Simple;
1692         v = (caddr_t)(sc->ha_LCT);
1693         for (;;) {
1694                 int next, base, span;
1695
1696                 span = 0;
1697                 next = base = KVTOPHYS(v);
1698                 I2O_SGE_SIMPLE_ELEMENT_setPhysicalAddress(sg, base);
1699
1700                 /* How far can we go contiguously */
1701                 while ((len > 0) && (base == next)) {
1702                         int size;
1703
1704                         next = trunc_page(base) + PAGE_SIZE;
1705                         size = next - base;
1706                         if (size > len) {
1707                                 size = len;
1708                         }
1709                         span += size;
1710                         v += size;
1711                         len -= size;
1712                         base = KVTOPHYS(v);
1713                 }
1714
1715                 /* Construct the Flags */
1716                 I2O_FLAGS_COUNT_setCount(&(sg->FlagsCount), span);
1717                 {
1718                         int rw = I2O_SGL_FLAGS_SIMPLE_ADDRESS_ELEMENT;
1719                         if (len <= 0) {
1720                                 rw = (I2O_SGL_FLAGS_SIMPLE_ADDRESS_ELEMENT
1721                                     | I2O_SGL_FLAGS_LAST_ELEMENT
1722                                     | I2O_SGL_FLAGS_END_OF_BUFFER);
1723                         }
1724                         I2O_FLAGS_COUNT_setFlags(&(sg->FlagsCount), rw);
1725                 }
1726
1727                 if (len <= 0) {
1728                         break;
1729                 }
1730
1731                 /*
1732                  * Incrementing requires resizing of the packet.
1733                  */
1734                 ++sg;
1735                 MessageSizeInBytes += sizeof(*sg);
1736                 I2O_MESSAGE_FRAME_setMessageSize(
1737                   &(Message_Ptr->StdMessageFrame),
1738                   I2O_MESSAGE_FRAME_getMessageSize(
1739                     &(Message_Ptr->StdMessageFrame))
1740                   + (sizeof(*sg) / sizeof(U32)));
1741                 {
1742                         PI2O_EXEC_LCT_NOTIFY_MESSAGE NewMessage_Ptr;
1743
1744                         NewMessage_Ptr = (PI2O_EXEC_LCT_NOTIFY_MESSAGE)
1745                             kmalloc (MessageSizeInBytes, M_TEMP, M_WAITOK);
1746                         span = ((caddr_t)sg) - (caddr_t)Message_Ptr;
1747                         bcopy ((caddr_t)Message_Ptr,
1748                           (caddr_t)NewMessage_Ptr, span);
1749                         kfree (Message_Ptr, M_TEMP);
1750                         sg = (PI2O_SGE_SIMPLE_ELEMENT)
1751                           (((caddr_t)NewMessage_Ptr) + span);
1752                         Message_Ptr = NewMessage_Ptr;
1753                 }
1754         }
1755         {       int retval;
1756
1757                 retval = ASR_queue_c(sc, (PI2O_MESSAGE_FRAME)Message_Ptr);
1758                 kfree (Message_Ptr, M_TEMP);
1759                 if (retval != CAM_REQ_CMP) {
1760                         return (ENODEV);
1761                 }
1762         }
1763         /* If the LCT table grew, lets truncate accesses */
1764         if (I2O_LCT_getTableSize(&Table) < I2O_LCT_getTableSize(sc->ha_LCT)) {
1765                 I2O_LCT_setTableSize(sc->ha_LCT, I2O_LCT_getTableSize(&Table));
1766         }
1767         for (Entry = sc->ha_LCT->LCTEntry; Entry < (PI2O_LCT_ENTRY)
1768           (((U32 *)sc->ha_LCT)+I2O_LCT_getTableSize(sc->ha_LCT));
1769           ++Entry) {
1770                 Entry->le_type = I2O_UNKNOWN;
1771                 switch (I2O_CLASS_ID_getClass(&(Entry->ClassID))) {
1772
1773                 case I2O_CLASS_RANDOM_BLOCK_STORAGE:
1774                         Entry->le_type = I2O_BSA;
1775                         break;
1776
1777                 case I2O_CLASS_SCSI_PERIPHERAL:
1778                         Entry->le_type = I2O_SCSI;
1779                         break;
1780
1781                 case I2O_CLASS_FIBRE_CHANNEL_PERIPHERAL:
1782                         Entry->le_type = I2O_FCA;
1783                         break;
1784
1785                 case I2O_CLASS_BUS_ADAPTER_PORT:
1786                         Entry->le_type = I2O_PORT | I2O_SCSI;
1787                         /* FALLTHRU */
1788                 case I2O_CLASS_FIBRE_CHANNEL_PORT:
1789                         if (I2O_CLASS_ID_getClass(&(Entry->ClassID)) ==
1790                           I2O_CLASS_FIBRE_CHANNEL_PORT) {
1791                                 Entry->le_type = I2O_PORT | I2O_FCA;
1792                         }
1793                 {       struct ControllerInfo {
1794                                 I2O_PARAM_RESULTS_LIST_HEADER       Header;
1795                                 I2O_PARAM_READ_OPERATION_RESULT     Read;
1796                                 I2O_HBA_SCSI_CONTROLLER_INFO_SCALAR Info;
1797                         };
1798                         defAlignLong(struct ControllerInfo, Buffer);
1799                         PI2O_HBA_SCSI_CONTROLLER_INFO_SCALAR Info;
1800
1801                         Entry->le_bus = 0xff;
1802                         Entry->le_target = 0xff;
1803                         Entry->le_lun = 0xff;
1804
1805                         if ((Info = (PI2O_HBA_SCSI_CONTROLLER_INFO_SCALAR)
1806                           ASR_getParams(sc,
1807                             I2O_LCT_ENTRY_getLocalTID(Entry),
1808                             I2O_HBA_SCSI_CONTROLLER_INFO_GROUP_NO,
1809                             Buffer, sizeof(struct ControllerInfo)))
1810                         == (PI2O_HBA_SCSI_CONTROLLER_INFO_SCALAR)NULL) {
1811                                 continue;
1812                         }
1813                         Entry->le_target
1814                           = I2O_HBA_SCSI_CONTROLLER_INFO_SCALAR_getInitiatorID(
1815                             Info);
1816                         Entry->le_lun = 0;
1817                 }       /* FALLTHRU */
1818                 default:
1819                         continue;
1820                 }
1821                 {       struct DeviceInfo {
1822                                 I2O_PARAM_RESULTS_LIST_HEADER   Header;
1823                                 I2O_PARAM_READ_OPERATION_RESULT Read;
1824                                 I2O_DPT_DEVICE_INFO_SCALAR      Info;
1825                         };
1826                         defAlignLong (struct DeviceInfo, Buffer);
1827                         PI2O_DPT_DEVICE_INFO_SCALAR      Info;
1828
1829                         Entry->le_bus = 0xff;
1830                         Entry->le_target = 0xff;
1831                         Entry->le_lun = 0xff;
1832
1833                         if ((Info = (PI2O_DPT_DEVICE_INFO_SCALAR)
1834                           ASR_getParams(sc,
1835                             I2O_LCT_ENTRY_getLocalTID(Entry),
1836                             I2O_DPT_DEVICE_INFO_GROUP_NO,
1837                             Buffer, sizeof(struct DeviceInfo)))
1838                         == (PI2O_DPT_DEVICE_INFO_SCALAR)NULL) {
1839                                 continue;
1840                         }
1841                         Entry->le_type
1842                           |= I2O_DPT_DEVICE_INFO_SCALAR_getDeviceType(Info);
1843                         Entry->le_bus
1844                           = I2O_DPT_DEVICE_INFO_SCALAR_getBus(Info);
1845                         if ((Entry->le_bus > sc->ha_MaxBus)
1846                          && (Entry->le_bus <= MAX_CHANNEL)) {
1847                                 sc->ha_MaxBus = Entry->le_bus;
1848                         }
1849                         Entry->le_target
1850                           = I2O_DPT_DEVICE_INFO_SCALAR_getIdentifier(Info);
1851                         Entry->le_lun
1852                           = I2O_DPT_DEVICE_INFO_SCALAR_getLunInfo(Info);
1853                 }
1854         }
1855         /*
1856          *      A zero return value indicates success.
1857          */
1858         return (0);
1859 } /* ASR_acquireLct */
1860
1861 /*
1862  * Initialize a message frame.
1863  * We assume that the CDB has already been set up, so all we do here is
1864  * generate the Scatter Gather list.
1865  */
1866 STATIC INLINE PI2O_MESSAGE_FRAME
1867 ASR_init_message(
1868         IN union asr_ccb      * ccb,
1869         OUT PI2O_MESSAGE_FRAME  Message)
1870 {
1871         int                     next, span, base, rw;
1872         OUT PI2O_MESSAGE_FRAME  Message_Ptr;
1873         Asr_softc_t           * sc = (Asr_softc_t *)(ccb->ccb_h.spriv_ptr0);
1874         PI2O_SGE_SIMPLE_ELEMENT sg;
1875         caddr_t                 v;
1876         vm_size_t               size, len;
1877         U32                     MessageSize;
1878
1879         /* We only need to zero out the PRIVATE_SCSI_SCB_EXECUTE_MESSAGE */
1880         bzero (Message_Ptr = getAlignLong(I2O_MESSAGE_FRAME, Message),
1881           (sizeof(PRIVATE_SCSI_SCB_EXECUTE_MESSAGE) - sizeof(I2O_SG_ELEMENT)));
1882
1883         {
1884                 int   target = ccb->ccb_h.target_id;
1885                 int   lun = ccb->ccb_h.target_lun;
1886                 int   bus = cam_sim_bus(xpt_path_sim(ccb->ccb_h.path));
1887                 tid_t TID;
1888
1889                 if ((TID = ASR_getTid (sc, bus, target, lun)) == (tid_t)-1) {
1890                         PI2O_LCT_ENTRY Device;
1891
1892                         TID = (tid_t)0;
1893                         for (Device = sc->ha_LCT->LCTEntry; Device < (PI2O_LCT_ENTRY)
1894                           (((U32 *)sc->ha_LCT)+I2O_LCT_getTableSize(sc->ha_LCT));
1895                           ++Device) {
1896                                 if ((Device->le_type != I2O_UNKNOWN)
1897                                  && (Device->le_bus == bus)
1898                                  && (Device->le_target == target)
1899                                  && (Device->le_lun == lun)
1900                                  && (I2O_LCT_ENTRY_getUserTID(Device) == 0xFFF)) {
1901                                         TID = I2O_LCT_ENTRY_getLocalTID(Device);
1902                                         ASR_setTid (sc, Device->le_bus,
1903                                           Device->le_target, Device->le_lun,
1904                                           TID);
1905                                         break;
1906                                 }
1907                         }
1908                 }
1909                 if (TID == (tid_t)0) {
1910                         return ((PI2O_MESSAGE_FRAME)NULL);
1911                 }
1912                 I2O_MESSAGE_FRAME_setTargetAddress(Message_Ptr, TID);
1913                 PRIVATE_SCSI_SCB_EXECUTE_MESSAGE_setTID(
1914                   (PPRIVATE_SCSI_SCB_EXECUTE_MESSAGE)Message_Ptr, TID);
1915         }
1916         I2O_MESSAGE_FRAME_setVersionOffset(Message_Ptr, I2O_VERSION_11 |
1917           (((sizeof(PRIVATE_SCSI_SCB_EXECUTE_MESSAGE) - sizeof(I2O_SG_ELEMENT))
1918                 / sizeof(U32)) << 4));
1919         I2O_MESSAGE_FRAME_setMessageSize(Message_Ptr,
1920           (sizeof(PRIVATE_SCSI_SCB_EXECUTE_MESSAGE)
1921           - sizeof(I2O_SG_ELEMENT)) / sizeof(U32));
1922         I2O_MESSAGE_FRAME_setInitiatorAddress (Message_Ptr, 1);
1923         I2O_MESSAGE_FRAME_setFunction(Message_Ptr, I2O_PRIVATE_MESSAGE);
1924         I2O_PRIVATE_MESSAGE_FRAME_setXFunctionCode (
1925           (PI2O_PRIVATE_MESSAGE_FRAME)Message_Ptr, I2O_SCSI_SCB_EXEC);
1926         PRIVATE_SCSI_SCB_EXECUTE_MESSAGE_setSCBFlags (
1927           (PPRIVATE_SCSI_SCB_EXECUTE_MESSAGE)Message_Ptr,
1928             I2O_SCB_FLAG_ENABLE_DISCONNECT
1929           | I2O_SCB_FLAG_SIMPLE_QUEUE_TAG
1930           | I2O_SCB_FLAG_SENSE_DATA_IN_BUFFER);
1931         /*
1932          * We do not need any (optional byteswapping) method access to
1933          * the Initiator & Transaction context field.
1934          */
1935         I2O_MESSAGE_FRAME_setInitiatorContext64(Message, (long)ccb);
1936
1937         I2O_PRIVATE_MESSAGE_FRAME_setOrganizationID(
1938           (PI2O_PRIVATE_MESSAGE_FRAME)Message_Ptr, DPT_ORGANIZATION_ID);
1939         /*
1940          * copy the cdb over
1941          */
1942         PRIVATE_SCSI_SCB_EXECUTE_MESSAGE_setCDBLength(
1943           (PPRIVATE_SCSI_SCB_EXECUTE_MESSAGE)Message_Ptr, ccb->csio.cdb_len);
1944         bcopy (&(ccb->csio.cdb_io),
1945           ((PPRIVATE_SCSI_SCB_EXECUTE_MESSAGE)Message_Ptr)->CDB, ccb->csio.cdb_len);
1946
1947         /*
1948          * Given a buffer describing a transfer, set up a scatter/gather map
1949          * in a ccb to map that SCSI transfer.
1950          */
1951
1952         rw = (ccb->ccb_h.flags & CAM_DIR_IN) ? 0 : I2O_SGL_FLAGS_DIR;
1953
1954         PRIVATE_SCSI_SCB_EXECUTE_MESSAGE_setSCBFlags (
1955           (PPRIVATE_SCSI_SCB_EXECUTE_MESSAGE)Message_Ptr,
1956           (ccb->csio.dxfer_len)
1957             ? ((rw) ? (I2O_SCB_FLAG_XFER_TO_DEVICE
1958                      | I2O_SCB_FLAG_ENABLE_DISCONNECT
1959                      | I2O_SCB_FLAG_SIMPLE_QUEUE_TAG
1960                      | I2O_SCB_FLAG_SENSE_DATA_IN_BUFFER)
1961                     : (I2O_SCB_FLAG_XFER_FROM_DEVICE
1962                      | I2O_SCB_FLAG_ENABLE_DISCONNECT
1963                      | I2O_SCB_FLAG_SIMPLE_QUEUE_TAG
1964                      | I2O_SCB_FLAG_SENSE_DATA_IN_BUFFER))
1965             :         (I2O_SCB_FLAG_ENABLE_DISCONNECT
1966                      | I2O_SCB_FLAG_SIMPLE_QUEUE_TAG
1967                      | I2O_SCB_FLAG_SENSE_DATA_IN_BUFFER));
1968
1969         /*
1970          * Given a transfer described by a `data', fill in the SG list.
1971          */
1972         sg = &((PPRIVATE_SCSI_SCB_EXECUTE_MESSAGE)Message_Ptr)->SGL.u.Simple[0];
1973
1974         len = ccb->csio.dxfer_len;
1975         v = ccb->csio.data_ptr;
1976         ASSERT (ccb->csio.dxfer_len >= 0);
1977         MessageSize = I2O_MESSAGE_FRAME_getMessageSize(Message_Ptr);
1978         PRIVATE_SCSI_SCB_EXECUTE_MESSAGE_setByteCount(
1979           (PPRIVATE_SCSI_SCB_EXECUTE_MESSAGE)Message_Ptr, len);
1980         while ((len > 0) && (sg < &((PPRIVATE_SCSI_SCB_EXECUTE_MESSAGE)
1981           Message_Ptr)->SGL.u.Simple[SG_SIZE])) {
1982                 span = 0;
1983                 next = base = KVTOPHYS(v);
1984                 I2O_SGE_SIMPLE_ELEMENT_setPhysicalAddress(sg, base);
1985
1986                 /* How far can we go contiguously */
1987                 while ((len > 0) && (base == next)) {
1988                         next = trunc_page(base) + PAGE_SIZE;
1989                         size = next - base;
1990                         if (size > len) {
1991                                 size = len;
1992                         }
1993                         span += size;
1994                         v += size;
1995                         len -= size;
1996                         base = KVTOPHYS(v);
1997                 }
1998
1999                 I2O_FLAGS_COUNT_setCount(&(sg->FlagsCount), span);
2000                 if (len == 0) {
2001                         rw |= I2O_SGL_FLAGS_LAST_ELEMENT;
2002                 }
2003                 I2O_FLAGS_COUNT_setFlags(&(sg->FlagsCount),
2004                   I2O_SGL_FLAGS_SIMPLE_ADDRESS_ELEMENT | rw);
2005                 ++sg;
2006                 MessageSize += sizeof(*sg) / sizeof(U32);
2007         }
2008         /* We always do the request sense ... */
2009         if ((span = ccb->csio.sense_len) == 0) {
2010                 span = sizeof(ccb->csio.sense_data);
2011         }
2012         SG(sg, 0, I2O_SGL_FLAGS_LAST_ELEMENT | I2O_SGL_FLAGS_END_OF_BUFFER,
2013           &(ccb->csio.sense_data), span);
2014         I2O_MESSAGE_FRAME_setMessageSize(Message_Ptr,
2015           MessageSize + (sizeof(*sg) / sizeof(U32)));
2016         return (Message_Ptr);
2017 } /* ASR_init_message */
2018
2019 /*
2020  *      Reset the adapter.
2021  */
2022 STATIC INLINE U32
2023 ASR_initOutBound (
2024         INOUT Asr_softc_t                     * sc)
2025 {
2026         struct initOutBoundMessage {
2027                 I2O_EXEC_OUTBOUND_INIT_MESSAGE M;
2028                 U32                            R;
2029         };
2030         defAlignLong(struct initOutBoundMessage,Message);
2031         PI2O_EXEC_OUTBOUND_INIT_MESSAGE         Message_Ptr;
2032         OUT U32                      * volatile Reply_Ptr;
2033         U32                                     Old;
2034
2035         /*
2036          *  Build up our copy of the Message.
2037          */
2038         Message_Ptr = (PI2O_EXEC_OUTBOUND_INIT_MESSAGE)ASR_fillMessage(Message,
2039           sizeof(I2O_EXEC_OUTBOUND_INIT_MESSAGE));
2040         I2O_MESSAGE_FRAME_setFunction(&(Message_Ptr->StdMessageFrame),
2041           I2O_EXEC_OUTBOUND_INIT);
2042         I2O_EXEC_OUTBOUND_INIT_MESSAGE_setHostPageFrameSize(Message_Ptr, PAGE_SIZE);
2043         I2O_EXEC_OUTBOUND_INIT_MESSAGE_setOutboundMFrameSize(Message_Ptr,
2044           sizeof(I2O_SCSI_ERROR_REPLY_MESSAGE_FRAME));
2045         /*
2046          *  Reset the Reply Status
2047          */
2048         *(Reply_Ptr = (U32 *)((char *)Message_Ptr
2049           + sizeof(I2O_EXEC_OUTBOUND_INIT_MESSAGE))) = 0;
2050         SG (&(Message_Ptr->SGL), 0, I2O_SGL_FLAGS_LAST_ELEMENT, Reply_Ptr,
2051           sizeof(U32));
2052         /*
2053          *      Send the Message out
2054          */
2055         if ((Old = ASR_initiateCp (sc->ha_Virt, sc->ha_Fvirt, (PI2O_MESSAGE_FRAME)Message_Ptr)) != (U32)-1L) {
2056                 u_long size, addr;
2057
2058                 /*
2059                  *      Wait for a response (Poll).
2060                  */
2061                 while (*Reply_Ptr < I2O_EXEC_OUTBOUND_INIT_REJECTED);
2062                 /*
2063                  *      Re-enable the interrupts.
2064                  */
2065                 sc->ha_Virt->Mask = Old;
2066                 /*
2067                  *      Populate the outbound table.
2068                  */
2069                 if (sc->ha_Msgs == (PI2O_SCSI_ERROR_REPLY_MESSAGE_FRAME)NULL) {
2070
2071                         /* Allocate the reply frames */
2072                         size = sizeof(I2O_SCSI_ERROR_REPLY_MESSAGE_FRAME)
2073                           * sc->ha_Msgs_Count;
2074
2075                         /*
2076                          *      contigmalloc only works reliably at
2077                          * initialization time.
2078                          */
2079                         if ((sc->ha_Msgs = (PI2O_SCSI_ERROR_REPLY_MESSAGE_FRAME)
2080                           contigmalloc (size, M_DEVBUF, M_WAITOK | M_ZERO, 0ul,
2081                             0xFFFFFFFFul, (u_long)sizeof(U32), 0ul))
2082                           != (PI2O_SCSI_ERROR_REPLY_MESSAGE_FRAME)NULL) {
2083                                 sc->ha_Msgs_Phys = KVTOPHYS(sc->ha_Msgs);
2084                         }
2085                 }
2086
2087                 /* Initialize the outbound FIFO */
2088                 if (sc->ha_Msgs != (PI2O_SCSI_ERROR_REPLY_MESSAGE_FRAME)NULL)
2089                 for (size = sc->ha_Msgs_Count, addr = sc->ha_Msgs_Phys;
2090                   size; --size) {
2091                         sc->ha_Virt->FromFIFO = addr;
2092                         addr += sizeof(I2O_SCSI_ERROR_REPLY_MESSAGE_FRAME);
2093                 }
2094                 return (*Reply_Ptr);
2095         }
2096         return (0);
2097 } /* ASR_initOutBound */
2098
2099 /*
2100  *      Set the system table
2101  */
2102 STATIC INLINE int
2103 ASR_setSysTab(
2104         IN Asr_softc_t              * sc)
2105 {
2106         PI2O_EXEC_SYS_TAB_SET_MESSAGE Message_Ptr;
2107         PI2O_SET_SYSTAB_HEADER        SystemTable;
2108         Asr_softc_t                 * ha;
2109         PI2O_SGE_SIMPLE_ELEMENT       sg;
2110         int                           retVal;
2111
2112         SystemTable = (PI2O_SET_SYSTAB_HEADER)kmalloc (
2113           sizeof(I2O_SET_SYSTAB_HEADER), M_TEMP, M_WAITOK | M_ZERO);
2114         for (ha = Asr_softc; ha; ha = ha->ha_next) {
2115                 ++SystemTable->NumberEntries;
2116         }
2117         Message_Ptr = (PI2O_EXEC_SYS_TAB_SET_MESSAGE)kmalloc (
2118           sizeof(I2O_EXEC_SYS_TAB_SET_MESSAGE) - sizeof(I2O_SG_ELEMENT)
2119            + ((3+SystemTable->NumberEntries) * sizeof(I2O_SGE_SIMPLE_ELEMENT)),
2120           M_TEMP, M_WAITOK);
2121         (void)ASR_fillMessage((char *)Message_Ptr,
2122           sizeof(I2O_EXEC_SYS_TAB_SET_MESSAGE) - sizeof(I2O_SG_ELEMENT)
2123            + ((3+SystemTable->NumberEntries) * sizeof(I2O_SGE_SIMPLE_ELEMENT)));
2124         I2O_MESSAGE_FRAME_setVersionOffset(&(Message_Ptr->StdMessageFrame),
2125           (I2O_VERSION_11 +
2126           (((sizeof(I2O_EXEC_SYS_TAB_SET_MESSAGE) - sizeof(I2O_SG_ELEMENT))
2127                         / sizeof(U32)) << 4)));
2128         I2O_MESSAGE_FRAME_setFunction(&(Message_Ptr->StdMessageFrame),
2129           I2O_EXEC_SYS_TAB_SET);
2130         /*
2131          *      Call the LCT table to determine the number of device entries
2132          * to reserve space for.
2133          *      since this code is reused in several systems, code efficiency
2134          * is greater by using a shift operation rather than a divide by
2135          * sizeof(u_int32_t).
2136          */
2137         sg = (PI2O_SGE_SIMPLE_ELEMENT)((char *)Message_Ptr
2138           + ((I2O_MESSAGE_FRAME_getVersionOffset(
2139               &(Message_Ptr->StdMessageFrame)) & 0xF0) >> 2));
2140         SG(sg, 0, I2O_SGL_FLAGS_DIR, SystemTable, sizeof(I2O_SET_SYSTAB_HEADER));
2141         ++sg;
2142         for (ha = Asr_softc; ha; ha = ha->ha_next) {
2143                 SG(sg, 0,
2144                   ((ha->ha_next)
2145                     ? (I2O_SGL_FLAGS_DIR)
2146                     : (I2O_SGL_FLAGS_DIR | I2O_SGL_FLAGS_END_OF_BUFFER)),
2147                   &(ha->ha_SystemTable), sizeof(ha->ha_SystemTable));
2148                 ++sg;
2149         }
2150         SG(sg, 0, I2O_SGL_FLAGS_DIR | I2O_SGL_FLAGS_END_OF_BUFFER, NULL, 0);
2151         SG(sg, 1, I2O_SGL_FLAGS_DIR | I2O_SGL_FLAGS_LAST_ELEMENT
2152             | I2O_SGL_FLAGS_END_OF_BUFFER, NULL, 0);
2153         retVal = ASR_queue_c(sc, (PI2O_MESSAGE_FRAME)Message_Ptr);
2154         kfree (Message_Ptr, M_TEMP);
2155         kfree (SystemTable, M_TEMP);
2156         return (retVal);
2157 } /* ASR_setSysTab */
2158
2159 STATIC INLINE int
2160 ASR_acquireHrt (
2161         INOUT Asr_softc_t                   * sc)
2162 {
2163         defAlignLong(I2O_EXEC_HRT_GET_MESSAGE,Message);
2164         I2O_EXEC_HRT_GET_MESSAGE *            Message_Ptr;
2165         struct {
2166                 I2O_HRT       Header;
2167                 I2O_HRT_ENTRY Entry[MAX_CHANNEL];
2168         }                                     Hrt;
2169         u_int8_t                              NumberOfEntries;
2170         PI2O_HRT_ENTRY                        Entry;
2171
2172         bzero ((void *)&Hrt, sizeof (Hrt));
2173         Message_Ptr = (I2O_EXEC_HRT_GET_MESSAGE *)ASR_fillMessage(Message,
2174           sizeof(I2O_EXEC_HRT_GET_MESSAGE) - sizeof(I2O_SG_ELEMENT)
2175           + sizeof(I2O_SGE_SIMPLE_ELEMENT));
2176         I2O_MESSAGE_FRAME_setVersionOffset(&(Message_Ptr->StdMessageFrame),
2177           (I2O_VERSION_11
2178           + (((sizeof(I2O_EXEC_HRT_GET_MESSAGE) - sizeof(I2O_SG_ELEMENT))
2179                    / sizeof(U32)) << 4)));
2180         I2O_MESSAGE_FRAME_setFunction (&(Message_Ptr->StdMessageFrame),
2181           I2O_EXEC_HRT_GET);
2182
2183         /*
2184          *  Set up the buffers as scatter gather elements.
2185          */
2186         SG(&(Message_Ptr->SGL), 0,
2187           I2O_SGL_FLAGS_LAST_ELEMENT | I2O_SGL_FLAGS_END_OF_BUFFER,
2188           &Hrt, sizeof(Hrt));
2189         if (ASR_queue_c(sc, (PI2O_MESSAGE_FRAME)Message_Ptr) != CAM_REQ_CMP) {
2190                 return (ENODEV);
2191         }
2192         if ((NumberOfEntries = I2O_HRT_getNumberEntries(&Hrt.Header))
2193           > (MAX_CHANNEL + 1)) {
2194                 NumberOfEntries = MAX_CHANNEL + 1;
2195         }
2196         for (Entry = Hrt.Header.HRTEntry;
2197           NumberOfEntries != 0;
2198           ++Entry, --NumberOfEntries) {
2199                 PI2O_LCT_ENTRY Device;
2200
2201                 for (Device = sc->ha_LCT->LCTEntry; Device < (PI2O_LCT_ENTRY)
2202                   (((U32 *)sc->ha_LCT)+I2O_LCT_getTableSize(sc->ha_LCT));
2203                   ++Device) {
2204                         if (I2O_LCT_ENTRY_getLocalTID(Device)
2205                           == (I2O_HRT_ENTRY_getAdapterID(Entry) & 0xFFF)) {
2206                                 Device->le_bus = I2O_HRT_ENTRY_getAdapterID(
2207                                   Entry) >> 16;
2208                                 if ((Device->le_bus > sc->ha_MaxBus)
2209                                  && (Device->le_bus <= MAX_CHANNEL)) {
2210                                         sc->ha_MaxBus = Device->le_bus;
2211                                 }
2212                         }
2213                 }
2214         }
2215         return (0);
2216 } /* ASR_acquireHrt */
2217
2218 /*
2219  *      Enable the adapter.
2220  */
2221 STATIC INLINE int
2222 ASR_enableSys (
2223         IN Asr_softc_t                         * sc)
2224 {
2225         defAlignLong(I2O_EXEC_SYS_ENABLE_MESSAGE,Message);
2226         PI2O_EXEC_SYS_ENABLE_MESSAGE             Message_Ptr;
2227
2228         Message_Ptr = (PI2O_EXEC_SYS_ENABLE_MESSAGE)ASR_fillMessage(Message,
2229           sizeof(I2O_EXEC_SYS_ENABLE_MESSAGE));
2230         I2O_MESSAGE_FRAME_setFunction(&(Message_Ptr->StdMessageFrame),
2231           I2O_EXEC_SYS_ENABLE);
2232         return (ASR_queue_c(sc, (PI2O_MESSAGE_FRAME)Message_Ptr) != 0);
2233 } /* ASR_enableSys */
2234
2235 /*
2236  *      Perform the stages necessary to initialize the adapter
2237  */
2238 STATIC int
2239 ASR_init(
2240         IN Asr_softc_t * sc)
2241 {
2242         return ((ASR_initOutBound(sc) == 0)
2243          || (ASR_setSysTab(sc) != CAM_REQ_CMP)
2244          || (ASR_enableSys(sc) != CAM_REQ_CMP));
2245 } /* ASR_init */
2246
2247 /*
2248  *      Send a Synchronize Cache command to the target device.
2249  */
2250 STATIC INLINE void
2251 ASR_sync (
2252         IN Asr_softc_t * sc,
2253         IN int           bus,
2254         IN int           target,
2255         IN int           lun)
2256 {
2257         tid_t            TID;
2258
2259         /*
2260          * We will not synchronize the device when there are outstanding
2261          * commands issued by the OS (this is due to a locked up device,
2262          * as the OS normally would flush all outstanding commands before
2263          * issuing a shutdown or an adapter reset).
2264          */
2265         if ((sc != NULL)
2266          && (LIST_FIRST(&(sc->ha_ccb)) != NULL)
2267          && ((TID = ASR_getTid (sc, bus, target, lun)) != (tid_t)-1)
2268          && (TID != (tid_t)0)) {
2269                 defAlignLong(PRIVATE_SCSI_SCB_EXECUTE_MESSAGE,Message);
2270                 PPRIVATE_SCSI_SCB_EXECUTE_MESSAGE             Message_Ptr;
2271
2272                 bzero (Message_Ptr
2273                   = getAlignLong(PRIVATE_SCSI_SCB_EXECUTE_MESSAGE, Message),
2274                   sizeof(PRIVATE_SCSI_SCB_EXECUTE_MESSAGE)
2275                   - sizeof(I2O_SG_ELEMENT) + sizeof(I2O_SGE_SIMPLE_ELEMENT));
2276
2277                 I2O_MESSAGE_FRAME_setVersionOffset(
2278                   (PI2O_MESSAGE_FRAME)Message_Ptr,
2279                   I2O_VERSION_11
2280                     | (((sizeof(PRIVATE_SCSI_SCB_EXECUTE_MESSAGE)
2281                     - sizeof(I2O_SG_ELEMENT))
2282                         / sizeof(U32)) << 4));
2283                 I2O_MESSAGE_FRAME_setMessageSize(
2284                   (PI2O_MESSAGE_FRAME)Message_Ptr,
2285                   (sizeof(PRIVATE_SCSI_SCB_EXECUTE_MESSAGE)
2286                   - sizeof(I2O_SG_ELEMENT))
2287                         / sizeof(U32));
2288                 I2O_MESSAGE_FRAME_setInitiatorAddress (
2289                   (PI2O_MESSAGE_FRAME)Message_Ptr, 1);
2290                 I2O_MESSAGE_FRAME_setFunction(
2291                   (PI2O_MESSAGE_FRAME)Message_Ptr, I2O_PRIVATE_MESSAGE);
2292                 I2O_MESSAGE_FRAME_setTargetAddress(
2293                   (PI2O_MESSAGE_FRAME)Message_Ptr, TID);
2294                 I2O_PRIVATE_MESSAGE_FRAME_setXFunctionCode (
2295                   (PI2O_PRIVATE_MESSAGE_FRAME)Message_Ptr,
2296                   I2O_SCSI_SCB_EXEC);
2297                 PRIVATE_SCSI_SCB_EXECUTE_MESSAGE_setTID(Message_Ptr, TID);
2298                 PRIVATE_SCSI_SCB_EXECUTE_MESSAGE_setSCBFlags (Message_Ptr,
2299                     I2O_SCB_FLAG_ENABLE_DISCONNECT
2300                   | I2O_SCB_FLAG_SIMPLE_QUEUE_TAG
2301                   | I2O_SCB_FLAG_SENSE_DATA_IN_BUFFER);
2302                 I2O_PRIVATE_MESSAGE_FRAME_setOrganizationID(
2303                   (PI2O_PRIVATE_MESSAGE_FRAME)Message_Ptr,
2304                   DPT_ORGANIZATION_ID);
2305                 PRIVATE_SCSI_SCB_EXECUTE_MESSAGE_setCDBLength(Message_Ptr, 6);
2306                 Message_Ptr->CDB[0] = SYNCHRONIZE_CACHE;
2307                 Message_Ptr->CDB[1] = (lun << 5);
2308
2309                 PRIVATE_SCSI_SCB_EXECUTE_MESSAGE_setSCBFlags (Message_Ptr,
2310                   (I2O_SCB_FLAG_XFER_FROM_DEVICE
2311                     | I2O_SCB_FLAG_ENABLE_DISCONNECT
2312                     | I2O_SCB_FLAG_SIMPLE_QUEUE_TAG
2313                     | I2O_SCB_FLAG_SENSE_DATA_IN_BUFFER));
2314
2315                 (void)ASR_queue_c(sc, (PI2O_MESSAGE_FRAME)Message_Ptr);
2316
2317         }
2318 }
2319
2320 STATIC INLINE void
2321 ASR_synchronize (
2322         IN Asr_softc_t * sc)
2323 {
2324         int              bus, target, lun;
2325
2326         for (bus = 0; bus <= sc->ha_MaxBus; ++bus) {
2327                 for (target = 0; target <= sc->ha_MaxId; ++target) {
2328                         for (lun = 0; lun <= sc->ha_MaxLun; ++lun) {
2329                                 ASR_sync(sc,bus,target,lun);
2330                         }
2331                 }
2332         }
2333 }
2334
2335 /*
2336  *      Reset the HBA, targets and BUS.
2337  *              Currently this resets *all* the SCSI busses.
2338  */
2339 STATIC INLINE void
2340 asr_hbareset(
2341         IN Asr_softc_t * sc)
2342 {
2343         ASR_synchronize (sc);
2344         (void)ASR_reset (sc);
2345 } /* asr_hbareset */
2346
2347 /*
2348  *      A reduced copy of the real pci_map_mem, incorporating the MAX_MAP
2349  * limit and a reduction in error checking (in the pre 4.0 case).
2350  */
2351 STATIC int
2352 asr_pci_map_mem (
2353         IN device_t      tag,
2354         IN Asr_softc_t * sc)
2355 {
2356         int              rid;
2357         u_int32_t        p, l, s;
2358
2359         /*
2360          * I2O specification says we must find first *memory* mapped BAR
2361          */
2362         for (rid = PCIR_MAPS;
2363           rid < (PCIR_MAPS + 4 * sizeof(u_int32_t));
2364           rid += sizeof(u_int32_t)) {
2365                 p = pci_read_config(tag, rid, sizeof(p));
2366                 if ((p & 1) == 0) {
2367                         break;
2368                 }
2369         }
2370         /*
2371          *      Give up?
2372          */
2373         if (rid >= (PCIR_MAPS + 4 * sizeof(u_int32_t))) {
2374                 rid = PCIR_MAPS;
2375         }
2376         p = pci_read_config(tag, rid, sizeof(p));
2377         pci_write_config(tag, rid, -1, sizeof(p));
2378         l = 0 - (pci_read_config(tag, rid, sizeof(l)) & ~15);
2379         pci_write_config(tag, rid, p, sizeof(p));
2380         if (l > MAX_MAP) {
2381                 l = MAX_MAP;
2382         }
2383         /*
2384          * The 2005S Zero Channel RAID solution is not a perfect PCI
2385          * citizen. It asks for 4MB on BAR0, and 0MB on BAR1, once
2386          * enabled it rewrites the size of BAR0 to 2MB, sets BAR1 to
2387          * BAR0+2MB and sets it's size to 2MB. The IOP registers are
2388          * accessible via BAR0, the messaging registers are accessible
2389          * via BAR1. If the subdevice code is 50 to 59 decimal.
2390          */
2391         s = pci_read_config(tag, PCIR_DEVVENDOR, sizeof(s));
2392         if (s != 0xA5111044) {
2393                 s = pci_read_config(tag, PCIR_SUBVEND_0, sizeof(s));
2394                 if ((((ADPTDOMINATOR_SUB_ID_START ^ s) & 0xF000FFFF) == 0)
2395                  && (ADPTDOMINATOR_SUB_ID_START <= s)
2396                  && (s <= ADPTDOMINATOR_SUB_ID_END)) {
2397                         l = MAX_MAP; /* Conjoined BAR Raptor Daptor */
2398                 }
2399         }
2400         p &= ~15;
2401         sc->ha_mem_res = bus_alloc_resource(tag, SYS_RES_MEMORY, &rid,
2402           p, p + l, l, RF_ACTIVE);
2403         if (sc->ha_mem_res == NULL) {
2404                 return (0);
2405         }
2406         sc->ha_Base = (void *)rman_get_start(sc->ha_mem_res);
2407         if (sc->ha_Base == NULL) {
2408                 return (0);
2409         }
2410         sc->ha_Virt = (i2oRegs_t *) rman_get_virtual(sc->ha_mem_res);
2411         if (s == 0xA5111044) { /* Split BAR Raptor Daptor */
2412                 if ((rid += sizeof(u_int32_t))
2413                   >= (PCIR_MAPS + 4 * sizeof(u_int32_t))) {
2414                         return (0);
2415                 }
2416                 p = pci_read_config(tag, rid, sizeof(p));
2417                 pci_write_config(tag, rid, -1, sizeof(p));
2418                 l = 0 - (pci_read_config(tag, rid, sizeof(l)) & ~15);
2419                 pci_write_config(tag, rid, p, sizeof(p));
2420                 if (l > MAX_MAP) {
2421                         l = MAX_MAP;
2422                 }
2423                 p &= ~15;
2424                 sc->ha_mes_res = bus_alloc_resource(tag, SYS_RES_MEMORY, &rid,
2425                   p, p + l, l, RF_ACTIVE);
2426                 if (sc->ha_mes_res == NULL) {
2427                         return (0);
2428                 }
2429                 if ((void *)rman_get_start(sc->ha_mes_res) == NULL) {
2430                         return (0);
2431                 }
2432                 sc->ha_Fvirt = (U8 *) rman_get_virtual(sc->ha_mes_res);
2433         } else {
2434                 sc->ha_Fvirt = (U8 *)(sc->ha_Virt);
2435         }
2436         return (1);
2437 } /* asr_pci_map_mem */
2438
2439 /*
2440  *      A simplified copy of the real pci_map_int with additional
2441  * registration requirements.
2442  */
2443 STATIC int
2444 asr_pci_map_int (
2445         IN device_t      tag,
2446         IN Asr_softc_t * sc)
2447 {
2448         int rid = 0;
2449         int error;
2450
2451         sc->ha_irq_res = bus_alloc_resource(tag, SYS_RES_IRQ, &rid,
2452           0, ~0, 1, RF_ACTIVE | RF_SHAREABLE);
2453         if (sc->ha_irq_res == NULL) {
2454                 return (0);
2455         }
2456         error = bus_setup_intr(tag, sc->ha_irq_res, 0,
2457                               (driver_intr_t *)asr_intr, (void *)sc, 
2458                               &(sc->ha_intr), NULL);
2459         if (error) {
2460                 return (0);
2461         }
2462         sc->ha_irq = pci_read_config(tag, PCIR_INTLINE, sizeof(char));
2463         return (1);
2464 } /* asr_pci_map_int */
2465
2466 /*
2467  *      Attach the devices, and virtual devices to the driver list.
2468  */
2469 STATIC ATTACH_RET
2470 asr_attach (ATTACH_ARGS)
2471 {
2472         Asr_softc_t              * sc;
2473         struct scsi_inquiry_data * iq;
2474         ATTACH_SET();
2475
2476         sc = kmalloc(sizeof(*sc), M_DEVBUF, M_INTWAIT | M_ZERO);
2477         if (Asr_softc == NULL) {
2478                 /*
2479                  *      Fixup the OS revision as saved in the dptsig for the
2480                  *      engine (dptioctl.h) to pick up.
2481                  */
2482                 bcopy (osrelease, &ASR_sig.dsDescription[16], 5);
2483                 kprintf ("asr%d: major=%d\n", unit, asr_ops.head.maj);
2484         }
2485         /*
2486          *      Initialize the software structure
2487          */
2488         LIST_INIT(&(sc->ha_ccb));
2489         /* Link us into the HA list */
2490         {
2491                 Asr_softc_t **ha;
2492
2493                 for (ha = &Asr_softc; *ha; ha = &((*ha)->ha_next));
2494                 *(ha) = sc;
2495         }
2496         {
2497                 PI2O_EXEC_STATUS_GET_REPLY status;
2498                 int size;
2499
2500                 /*
2501                  *      This is the real McCoy!
2502                  */
2503                 if (!asr_pci_map_mem(tag, sc)) {
2504                         kprintf ("asr%d: could not map memory\n", unit);
2505                         ATTACH_RETURN(ENXIO);
2506                 }
2507                 /* Enable if not formerly enabled */
2508                 pci_write_config (tag, PCIR_COMMAND,
2509                   pci_read_config (tag, PCIR_COMMAND, sizeof(char))
2510                   | PCIM_CMD_MEMEN | PCIM_CMD_BUSMASTEREN, sizeof(char));
2511                 /* Knowledge is power, responsibility is direct */
2512                 {
2513                         struct pci_devinfo {
2514                                 STAILQ_ENTRY(pci_devinfo) pci_links;
2515                                 struct resource_list      resources;
2516                                 pcicfgregs                cfg;
2517                         } * dinfo = device_get_ivars(tag);
2518                         sc->ha_pciBusNum = dinfo->cfg.bus;
2519                         sc->ha_pciDeviceNum = (dinfo->cfg.slot << 3)
2520                                             | dinfo->cfg.func;
2521                 }
2522                 /* Check if the device is there? */
2523                 if ((ASR_resetIOP(sc->ha_Virt, sc->ha_Fvirt) == 0)
2524                  || ((status = (PI2O_EXEC_STATUS_GET_REPLY)kmalloc (
2525                   sizeof(I2O_EXEC_STATUS_GET_REPLY), M_TEMP, M_WAITOK))
2526                   == (PI2O_EXEC_STATUS_GET_REPLY)NULL)
2527                  || (ASR_getStatus(sc->ha_Virt, sc->ha_Fvirt, status) == NULL)) {
2528                         kprintf ("asr%d: could not initialize hardware\n", unit);
2529                         ATTACH_RETURN(ENODEV);  /* Get next, maybe better luck */
2530                 }
2531                 sc->ha_SystemTable.OrganizationID = status->OrganizationID;
2532                 sc->ha_SystemTable.IOP_ID = status->IOP_ID;
2533                 sc->ha_SystemTable.I2oVersion = status->I2oVersion;
2534                 sc->ha_SystemTable.IopState = status->IopState;
2535                 sc->ha_SystemTable.MessengerType = status->MessengerType;
2536                 sc->ha_SystemTable.InboundMessageFrameSize
2537                   = status->InboundMFrameSize;
2538                 sc->ha_SystemTable.MessengerInfo.InboundMessagePortAddressLow
2539                   = (U32)(sc->ha_Base) + (U32)(&(((i2oRegs_t *)NULL)->ToFIFO));
2540
2541                 if (!asr_pci_map_int(tag, (void *)sc)) {
2542                         kprintf ("asr%d: could not map interrupt\n", unit);
2543                         ATTACH_RETURN(ENXIO);
2544                 }
2545
2546                 /* Adjust the maximim inbound count */
2547                 if (((sc->ha_QueueSize
2548                   = I2O_EXEC_STATUS_GET_REPLY_getMaxInboundMFrames(status))
2549                      > MAX_INBOUND)
2550                  || (sc->ha_QueueSize == 0)) {
2551                         sc->ha_QueueSize = MAX_INBOUND;
2552                 }
2553
2554                 /* Adjust the maximum outbound count */
2555                 if (((sc->ha_Msgs_Count
2556                   = I2O_EXEC_STATUS_GET_REPLY_getMaxOutboundMFrames(status))
2557                      > MAX_OUTBOUND)
2558                  || (sc->ha_Msgs_Count == 0)) {
2559                         sc->ha_Msgs_Count = MAX_OUTBOUND;
2560                 }
2561                 if (sc->ha_Msgs_Count > sc->ha_QueueSize) {
2562                         sc->ha_Msgs_Count = sc->ha_QueueSize;
2563                 }
2564
2565                 /* Adjust the maximum SG size to adapter */
2566                 if ((size = (I2O_EXEC_STATUS_GET_REPLY_getInboundMFrameSize(
2567                   status) << 2)) > MAX_INBOUND_SIZE) {
2568                         size = MAX_INBOUND_SIZE;
2569                 }
2570                 kfree (status, M_TEMP);
2571                 sc->ha_SgSize = (size - sizeof(PRIVATE_SCSI_SCB_EXECUTE_MESSAGE)
2572                   + sizeof(I2O_SG_ELEMENT)) / sizeof(I2O_SGE_SIMPLE_ELEMENT);
2573         }
2574
2575         /*
2576          *      Only do a bus/HBA reset on the first time through. On this
2577          * first time through, we do not send a flush to the devices.
2578          */
2579         if (ASR_init(sc) == 0) {
2580                 struct BufferInfo {
2581                         I2O_PARAM_RESULTS_LIST_HEADER       Header;
2582                         I2O_PARAM_READ_OPERATION_RESULT     Read;
2583                         I2O_DPT_EXEC_IOP_BUFFERS_SCALAR     Info;
2584                 };
2585                 defAlignLong (struct BufferInfo, Buffer);
2586                 PI2O_DPT_EXEC_IOP_BUFFERS_SCALAR Info;
2587 #                       define FW_DEBUG_BLED_OFFSET 8
2588
2589                 if ((Info = (PI2O_DPT_EXEC_IOP_BUFFERS_SCALAR)
2590                   ASR_getParams(sc, 0,
2591                     I2O_DPT_EXEC_IOP_BUFFERS_GROUP_NO,
2592                     Buffer, sizeof(struct BufferInfo)))
2593                 != (PI2O_DPT_EXEC_IOP_BUFFERS_SCALAR)NULL) {
2594                         sc->ha_blinkLED = sc->ha_Fvirt
2595                           + I2O_DPT_EXEC_IOP_BUFFERS_SCALAR_getSerialOutputOffset(Info)
2596                           + FW_DEBUG_BLED_OFFSET;
2597                 }
2598                 if (ASR_acquireLct(sc) == 0) {
2599                         (void)ASR_acquireHrt(sc);
2600                 }
2601         } else {
2602                 kprintf ("asr%d: failed to initialize\n", unit);
2603                 ATTACH_RETURN(ENXIO);
2604         }
2605         /*
2606          *      Add in additional probe responses for more channels. We
2607          * are reusing the variable `target' for a channel loop counter.
2608          * Done here because of we need both the acquireLct and
2609          * acquireHrt data.
2610          */
2611         {       PI2O_LCT_ENTRY Device;
2612
2613                 for (Device = sc->ha_LCT->LCTEntry; Device < (PI2O_LCT_ENTRY)
2614                   (((U32 *)sc->ha_LCT)+I2O_LCT_getTableSize(sc->ha_LCT));
2615                   ++Device) {
2616                         if (Device->le_type == I2O_UNKNOWN) {
2617                                 continue;
2618                         }
2619                         if (I2O_LCT_ENTRY_getUserTID(Device) == 0xFFF) {
2620                                 if (Device->le_target > sc->ha_MaxId) {
2621                                         sc->ha_MaxId = Device->le_target;
2622                                 }
2623                                 if (Device->le_lun > sc->ha_MaxLun) {
2624                                         sc->ha_MaxLun = Device->le_lun;
2625                                 }
2626                         }
2627                         if (((Device->le_type & I2O_PORT) != 0)
2628                          && (Device->le_bus <= MAX_CHANNEL)) {
2629                                 /* Do not increase MaxId for efficiency */
2630                                 sc->ha_adapter_target[Device->le_bus]
2631                                         = Device->le_target;
2632                         }
2633                 }
2634         }
2635
2636
2637         /*
2638          *      Print the HBA model number as inquired from the card.
2639          */
2640
2641         kprintf ("asr%d:", unit);
2642
2643         iq = (struct scsi_inquiry_data *)kmalloc (
2644             sizeof(struct scsi_inquiry_data), M_TEMP, M_WAITOK | M_ZERO);
2645         defAlignLong(PRIVATE_SCSI_SCB_EXECUTE_MESSAGE,Message);
2646         PPRIVATE_SCSI_SCB_EXECUTE_MESSAGE             Message_Ptr;
2647         int                                           posted = 0;
2648
2649         bzero (Message_Ptr
2650           = getAlignLong(PRIVATE_SCSI_SCB_EXECUTE_MESSAGE, Message),
2651           sizeof(PRIVATE_SCSI_SCB_EXECUTE_MESSAGE)
2652           - sizeof(I2O_SG_ELEMENT) + sizeof(I2O_SGE_SIMPLE_ELEMENT));
2653
2654         I2O_MESSAGE_FRAME_setVersionOffset(
2655           (PI2O_MESSAGE_FRAME)Message_Ptr,
2656           I2O_VERSION_11
2657             | (((sizeof(PRIVATE_SCSI_SCB_EXECUTE_MESSAGE)
2658             - sizeof(I2O_SG_ELEMENT))
2659                 / sizeof(U32)) << 4));
2660         I2O_MESSAGE_FRAME_setMessageSize(
2661           (PI2O_MESSAGE_FRAME)Message_Ptr,
2662           (sizeof(PRIVATE_SCSI_SCB_EXECUTE_MESSAGE)
2663           - sizeof(I2O_SG_ELEMENT) + sizeof(I2O_SGE_SIMPLE_ELEMENT))
2664                 / sizeof(U32));
2665         I2O_MESSAGE_FRAME_setInitiatorAddress (
2666           (PI2O_MESSAGE_FRAME)Message_Ptr, 1);
2667         I2O_MESSAGE_FRAME_setFunction(
2668           (PI2O_MESSAGE_FRAME)Message_Ptr, I2O_PRIVATE_MESSAGE);
2669         I2O_PRIVATE_MESSAGE_FRAME_setXFunctionCode (
2670           (PI2O_PRIVATE_MESSAGE_FRAME)Message_Ptr,
2671           I2O_SCSI_SCB_EXEC);
2672         PRIVATE_SCSI_SCB_EXECUTE_MESSAGE_setSCBFlags (Message_Ptr,
2673             I2O_SCB_FLAG_ENABLE_DISCONNECT
2674           | I2O_SCB_FLAG_SIMPLE_QUEUE_TAG
2675           | I2O_SCB_FLAG_SENSE_DATA_IN_BUFFER);
2676         PRIVATE_SCSI_SCB_EXECUTE_MESSAGE_setInterpret(Message_Ptr, 1);
2677         I2O_PRIVATE_MESSAGE_FRAME_setOrganizationID(
2678           (PI2O_PRIVATE_MESSAGE_FRAME)Message_Ptr,
2679           DPT_ORGANIZATION_ID);
2680         PRIVATE_SCSI_SCB_EXECUTE_MESSAGE_setCDBLength(Message_Ptr, 6);
2681         Message_Ptr->CDB[0] = INQUIRY;
2682         Message_Ptr->CDB[4] = (unsigned char)sizeof(struct scsi_inquiry_data);
2683         if (Message_Ptr->CDB[4] == 0) {
2684                 Message_Ptr->CDB[4] = 255;
2685         }
2686
2687         PRIVATE_SCSI_SCB_EXECUTE_MESSAGE_setSCBFlags (Message_Ptr,
2688           (I2O_SCB_FLAG_XFER_FROM_DEVICE
2689             | I2O_SCB_FLAG_ENABLE_DISCONNECT
2690             | I2O_SCB_FLAG_SIMPLE_QUEUE_TAG
2691             | I2O_SCB_FLAG_SENSE_DATA_IN_BUFFER));
2692
2693         PRIVATE_SCSI_SCB_EXECUTE_MESSAGE_setByteCount(
2694           (PPRIVATE_SCSI_SCB_EXECUTE_MESSAGE)Message_Ptr,
2695           sizeof(struct scsi_inquiry_data));
2696         SG(&(Message_Ptr->SGL), 0,
2697           I2O_SGL_FLAGS_LAST_ELEMENT | I2O_SGL_FLAGS_END_OF_BUFFER,
2698           iq, sizeof(struct scsi_inquiry_data));
2699         (void)ASR_queue_c(sc, (PI2O_MESSAGE_FRAME)Message_Ptr);
2700
2701         if (iq->vendor[0] && (iq->vendor[0] != ' ')) {
2702                 kprintf (" ");
2703                 ASR_prstring (iq->vendor, 8);
2704                 ++posted;
2705         }
2706         if (iq->product[0] && (iq->product[0] != ' ')) {
2707                 kprintf (" ");
2708                 ASR_prstring (iq->product, 16);
2709                 ++posted;
2710         }
2711         if (iq->revision[0] && (iq->revision[0] != ' ')) {
2712                 kprintf (" FW Rev. ");
2713                 ASR_prstring (iq->revision, 4);
2714                 ++posted;
2715         }
2716         kfree ((caddr_t)iq, M_TEMP);
2717         if (posted) {
2718                 kprintf (",");
2719         }
2720         kprintf (" %d channel, %d CCBs, Protocol I2O\n", sc->ha_MaxBus + 1,
2721           (sc->ha_QueueSize > MAX_INBOUND) ? MAX_INBOUND : sc->ha_QueueSize);
2722
2723         /*
2724          * fill in the prototype cam_path.
2725          */
2726         {
2727                 int             bus;
2728                 union asr_ccb * ccb;
2729
2730                 if ((ccb = asr_alloc_ccb (sc)) == NULL) {
2731                         kprintf ("asr%d: CAM could not be notified of asynchronous callback parameters\n", unit);
2732                         ATTACH_RETURN(ENOMEM);
2733                 }
2734                 for (bus = 0; bus <= sc->ha_MaxBus; ++bus) {
2735                         int                 QueueSize = sc->ha_QueueSize;
2736
2737                         if (QueueSize > MAX_INBOUND) {
2738                                 QueueSize = MAX_INBOUND;
2739                         }
2740
2741                         /*
2742                          *      Construct our first channel SIM entry
2743                          */
2744                         sc->ha_sim[bus] = cam_sim_alloc(
2745                           asr_action, asr_poll, "asr", sc,
2746                           unit, &sim_mplock, 1, QueueSize, NULL);
2747                         if (sc->ha_sim[bus] == NULL)
2748                                 continue;
2749
2750                         if (xpt_bus_register(sc->ha_sim[bus], bus)
2751                           != CAM_SUCCESS) {
2752                                 cam_sim_free(sc->ha_sim[bus]);
2753                                 sc->ha_sim[bus] = NULL;
2754                                 continue;
2755                         }
2756
2757                         if (xpt_create_path(&(sc->ha_path[bus]), /*periph*/NULL,
2758                           cam_sim_path(sc->ha_sim[bus]), CAM_TARGET_WILDCARD,
2759                           CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
2760                                 xpt_bus_deregister(
2761                                   cam_sim_path(sc->ha_sim[bus]));
2762                                 cam_sim_free(sc->ha_sim[bus]);
2763                                 sc->ha_sim[bus] = NULL;
2764                                 continue;
2765                         }
2766                 }
2767                 asr_free_ccb (ccb);
2768         }
2769         /*
2770          *      Generate the device node information
2771          */
2772         make_dev(&asr_ops, unit, 0, 0, S_IRWXU, "rasr%d", unit);
2773         ATTACH_RETURN(0);
2774 } /* asr_attach */
2775
2776 STATIC void
2777 asr_poll(
2778         IN struct cam_sim *sim)
2779 {
2780         asr_intr(cam_sim_softc(sim));
2781 } /* asr_poll */
2782
2783 STATIC void
2784 asr_action(
2785         IN struct cam_sim * sim,
2786         IN union ccb      * ccb)
2787 {
2788         struct Asr_softc  * sc;
2789
2790         debug_asr_printf ("asr_action(%lx,%lx{%x})\n",
2791           (u_long)sim, (u_long)ccb, ccb->ccb_h.func_code);
2792
2793         CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("asr_action\n"));
2794
2795         ccb->ccb_h.spriv_ptr0 = sc = (struct Asr_softc *)cam_sim_softc(sim);
2796
2797         switch (ccb->ccb_h.func_code) {
2798
2799         /* Common cases first */
2800         case XPT_SCSI_IO:       /* Execute the requested I/O operation */
2801         {
2802                 struct Message {
2803                         char M[MAX_INBOUND_SIZE];
2804                 };
2805                 defAlignLong(struct Message,Message);
2806                 PI2O_MESSAGE_FRAME   Message_Ptr;
2807
2808                 /* Reject incoming commands while we are resetting the card */
2809                 if (sc->ha_in_reset != HA_OPERATIONAL) {
2810                         ccb->ccb_h.status &= ~CAM_STATUS_MASK;
2811                         if (sc->ha_in_reset >= HA_OFF_LINE) {
2812                                 /* HBA is now off-line */
2813                                 ccb->ccb_h.status |= CAM_UNREC_HBA_ERROR;
2814                         } else {
2815                                 /* HBA currently resetting, try again later. */
2816                                 ccb->ccb_h.status |= CAM_REQUEUE_REQ;
2817                         }
2818                         debug_asr_cmd_printf (" e\n");
2819                         xpt_done(ccb);
2820                         debug_asr_cmd_printf (" q\n");
2821                         break;
2822                 }
2823                 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_INPROG) {
2824                         kprintf(
2825                           "asr%d WARNING: scsi_cmd(%x) already done on b%dt%du%d\n",
2826                           cam_sim_unit(xpt_path_sim(ccb->ccb_h.path)),
2827                           ccb->csio.cdb_io.cdb_bytes[0],
2828                           cam_sim_bus(sim),
2829                           ccb->ccb_h.target_id,
2830                           ccb->ccb_h.target_lun);
2831                 }
2832                 debug_asr_cmd_printf ("(%d,%d,%d,%d)",
2833                   cam_sim_unit(sim),
2834                   cam_sim_bus(sim),
2835                   ccb->ccb_h.target_id,
2836                   ccb->ccb_h.target_lun);
2837                 debug_asr_cmd_dump_ccb(ccb);
2838
2839                 if ((Message_Ptr = ASR_init_message ((union asr_ccb *)ccb,
2840                   (PI2O_MESSAGE_FRAME)Message)) != (PI2O_MESSAGE_FRAME)NULL) {
2841                         debug_asr_cmd2_printf ("TID=%x:\n",
2842                           PRIVATE_SCSI_SCB_EXECUTE_MESSAGE_getTID(
2843                             (PPRIVATE_SCSI_SCB_EXECUTE_MESSAGE)Message_Ptr));
2844                         debug_asr_cmd2_dump_message(Message_Ptr);
2845                         debug_asr_cmd1_printf (" q");
2846
2847                         if (ASR_queue (sc, Message_Ptr) == EMPTY_QUEUE) {
2848                                 ccb->ccb_h.status &= ~CAM_STATUS_MASK;
2849                                 ccb->ccb_h.status |= CAM_REQUEUE_REQ;
2850                                 debug_asr_cmd_printf (" E\n");
2851                                 xpt_done(ccb);
2852                         }
2853                         debug_asr_cmd_printf (" Q\n");
2854                         break;
2855                 }
2856                 /*
2857                  *      We will get here if there is no valid TID for the device
2858                  * referenced in the scsi command packet.
2859                  */
2860                 ccb->ccb_h.status &= ~CAM_STATUS_MASK;
2861                 ccb->ccb_h.status |= CAM_SEL_TIMEOUT;
2862                 debug_asr_cmd_printf (" B\n");
2863                 xpt_done(ccb);
2864                 break;
2865         }
2866
2867         case XPT_RESET_DEV:     /* Bus Device Reset the specified SCSI device */
2868                 /* Rese HBA device ... */
2869                 asr_hbareset (sc);
2870                 ccb->ccb_h.status = CAM_REQ_CMP;
2871                 xpt_done(ccb);
2872                 break;
2873
2874 #       if (defined(REPORT_LUNS))
2875         case REPORT_LUNS:
2876 #       endif
2877         case XPT_ABORT:                 /* Abort the specified CCB */
2878                 /* XXX Implement */
2879                 ccb->ccb_h.status = CAM_REQ_INVALID;
2880                 xpt_done(ccb);
2881                 break;
2882
2883         case XPT_SET_TRAN_SETTINGS:
2884                 /* XXX Implement */
2885                 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
2886                 xpt_done(ccb);
2887                 break;
2888
2889         case XPT_GET_TRAN_SETTINGS:
2890         /* Get default/user set transfer settings for the target */
2891         {
2892                 struct  ccb_trans_settings *cts = &(ccb->cts);
2893                 struct ccb_trans_settings_scsi *scsi =
2894                     &cts->proto_specific.scsi;
2895                 struct ccb_trans_settings_spi *spi =
2896                     &cts->xport_specific.spi;
2897
2898                 if (cts->type == CTS_TYPE_USER_SETTINGS) {
2899                         cts->protocol = PROTO_SCSI;
2900                         cts->protocol_version = SCSI_REV_2;
2901                         cts->transport = XPORT_SPI;
2902                         cts->transport_version = 2;
2903
2904                         scsi->flags = CTS_SCSI_FLAGS_TAG_ENB;
2905                         spi->flags = CTS_SPI_FLAGS_DISC_ENB;
2906                         spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT;
2907                         spi->sync_period = 6; /* 40MHz */
2908                         spi->sync_offset = 15;
2909                         spi->valid = CTS_SPI_VALID_SYNC_RATE
2910                                    | CTS_SPI_VALID_SYNC_OFFSET
2911                                    | CTS_SPI_VALID_BUS_WIDTH
2912                                    | CTS_SPI_VALID_DISC;
2913                         scsi->valid = CTS_SCSI_VALID_TQ;
2914
2915                         ccb->ccb_h.status = CAM_REQ_CMP;
2916                 } else {
2917                         ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
2918                 }
2919                 xpt_done(ccb);
2920                 break;
2921         }
2922
2923         case XPT_CALC_GEOMETRY:
2924         {
2925                 struct    ccb_calc_geometry *ccg;
2926                 u_int32_t size_mb;
2927                 u_int32_t secs_per_cylinder;
2928
2929                 ccg = &(ccb->ccg);
2930                 size_mb = ccg->volume_size
2931                         / ((1024L * 1024L) / ccg->block_size);
2932
2933                 if (size_mb > 4096) {
2934                         ccg->heads = 255;
2935                         ccg->secs_per_track = 63;
2936                 } else if (size_mb > 2048) {
2937                         ccg->heads = 128;
2938                         ccg->secs_per_track = 63;
2939                 } else if (size_mb > 1024) {
2940                         ccg->heads = 65;
2941                         ccg->secs_per_track = 63;
2942                 } else {
2943                         ccg->heads = 64;
2944                         ccg->secs_per_track = 32;
2945                 }
2946                 secs_per_cylinder = ccg->heads * ccg->secs_per_track;
2947                 ccg->cylinders = ccg->volume_size / secs_per_cylinder;
2948                 ccb->ccb_h.status = CAM_REQ_CMP;
2949                 xpt_done(ccb);
2950                 break;
2951         }
2952
2953         case XPT_RESET_BUS:             /* Reset the specified SCSI bus */
2954                 ASR_resetBus (sc, cam_sim_bus(sim));
2955                 ccb->ccb_h.status = CAM_REQ_CMP;
2956                 xpt_done(ccb);
2957                 break;
2958
2959         case XPT_TERM_IO:               /* Terminate the I/O process */
2960                 /* XXX Implement */
2961                 ccb->ccb_h.status = CAM_REQ_INVALID;
2962                 xpt_done(ccb);
2963                 break;
2964
2965         case XPT_PATH_INQ:              /* Path routing inquiry */
2966         {
2967                 struct ccb_pathinq *cpi = &(ccb->cpi);
2968
2969                 cpi->version_num = 1; /* XXX??? */
2970                 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16;
2971                 cpi->target_sprt = 0;
2972                 /* Not necessary to reset bus, done by HDM initialization */
2973                 cpi->hba_misc = PIM_NOBUSRESET;
2974                 cpi->hba_eng_cnt = 0;
2975                 cpi->max_target = sc->ha_MaxId;
2976                 cpi->max_lun = sc->ha_MaxLun;
2977                 cpi->initiator_id = sc->ha_adapter_target[cam_sim_bus(sim)];
2978                 cpi->bus_id = cam_sim_bus(sim);
2979                 cpi->base_transfer_speed = 3300;
2980                 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
2981                 strncpy(cpi->hba_vid, "Adaptec", HBA_IDLEN);
2982                 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
2983                 cpi->unit_number = cam_sim_unit(sim);
2984                 cpi->ccb_h.status = CAM_REQ_CMP;
2985                 cpi->transport = XPORT_SPI;
2986                 cpi->transport_version = 2;
2987                 cpi->protocol = PROTO_SCSI;
2988                 cpi->protocol_version = SCSI_REV_2;
2989                 xpt_done(ccb);
2990                 break;
2991         }
2992         default:
2993                 ccb->ccb_h.status = CAM_REQ_INVALID;
2994                 xpt_done(ccb);
2995                 break;
2996         }
2997 } /* asr_action */
2998
2999
3000 /*
3001  * Handle processing of current CCB as pointed to by the Status.
3002  */
3003 STATIC int
3004 asr_intr (
3005         IN Asr_softc_t * sc)
3006 {
3007         OUT int          processed;
3008
3009         for (processed = 0;
3010           sc->ha_Virt->Status & Mask_InterruptsDisabled;
3011           processed = 1) {
3012                 union asr_ccb                     * ccb;
3013                 U32                                 ReplyOffset;
3014                 PI2O_SCSI_ERROR_REPLY_MESSAGE_FRAME Reply;
3015
3016                 if (((ReplyOffset = sc->ha_Virt->FromFIFO) == EMPTY_QUEUE)
3017                  && ((ReplyOffset = sc->ha_Virt->FromFIFO) == EMPTY_QUEUE)) {
3018                         break;
3019                 }
3020                 Reply = (PI2O_SCSI_ERROR_REPLY_MESSAGE_FRAME)(ReplyOffset
3021                   - sc->ha_Msgs_Phys + (char *)(sc->ha_Msgs));
3022                 /*
3023                  * We do not need any (optional byteswapping) method access to
3024                  * the Initiator context field.
3025                  */
3026                 ccb = (union asr_ccb *)(long)
3027                   I2O_MESSAGE_FRAME_getInitiatorContext64(
3028                     &(Reply->StdReplyFrame.StdMessageFrame));
3029                 if (I2O_MESSAGE_FRAME_getMsgFlags(
3030                   &(Reply->StdReplyFrame.StdMessageFrame))
3031                   & I2O_MESSAGE_FLAGS_FAIL) {
3032                         defAlignLong(I2O_UTIL_NOP_MESSAGE,Message);
3033                         PI2O_UTIL_NOP_MESSAGE             Message_Ptr;
3034                         U32                               MessageOffset;
3035
3036                         MessageOffset = (u_long)
3037                           I2O_FAILURE_REPLY_MESSAGE_FRAME_getPreservedMFA(
3038                             (PI2O_FAILURE_REPLY_MESSAGE_FRAME)Reply);
3039                         /*
3040                          *  Get the Original Message Frame's address, and get
3041                          * it's Transaction Context into our space. (Currently
3042                          * unused at original authorship, but better to be
3043                          * safe than sorry). Straight copy means that we
3044                          * need not concern ourselves with the (optional
3045                          * byteswapping) method access.
3046                          */
3047                         Reply->StdReplyFrame.TransactionContext
3048                           = ((PI2O_SINGLE_REPLY_MESSAGE_FRAME)
3049                             (sc->ha_Fvirt + MessageOffset))->TransactionContext;
3050                         /*
3051                          *      For 64 bit machines, we need to reconstruct the
3052                          * 64 bit context.
3053                          */
3054                         ccb = (union asr_ccb *)(long)
3055                           I2O_MESSAGE_FRAME_getInitiatorContext64(
3056                             &(Reply->StdReplyFrame.StdMessageFrame));
3057                         /*
3058                          * Unique error code for command failure.
3059                          */
3060                         I2O_SINGLE_REPLY_MESSAGE_FRAME_setDetailedStatusCode(
3061                           &(Reply->StdReplyFrame), (u_int16_t)-2);
3062                         /*
3063                          *  Modify the message frame to contain a NOP and
3064                          * re-issue it to the controller.
3065                          */
3066                         Message_Ptr = (PI2O_UTIL_NOP_MESSAGE)ASR_fillMessage(
3067                           Message, sizeof(I2O_UTIL_NOP_MESSAGE));
3068 #                       if (I2O_UTIL_NOP != 0)
3069                                 I2O_MESSAGE_FRAME_setFunction (
3070                                   &(Message_Ptr->StdMessageFrame),
3071                                   I2O_UTIL_NOP);
3072 #                       endif
3073                         /*
3074                          *  Copy the packet out to the Original Message
3075                          */
3076                         bcopy ((caddr_t)Message_Ptr,
3077                           sc->ha_Fvirt + MessageOffset,
3078                           sizeof(I2O_UTIL_NOP_MESSAGE));
3079                         /*
3080                          *  Issue the NOP
3081                          */
3082                         sc->ha_Virt->ToFIFO = MessageOffset;
3083                 }
3084
3085                 /*
3086                  *      Asynchronous command with no return requirements,
3087                  * and a generic handler for immunity against odd error
3088                  * returns from the adapter.
3089                  */
3090                 if (ccb == NULL) {
3091                         /*
3092                          * Return Reply so that it can be used for the
3093                          * next command
3094                          */
3095                         sc->ha_Virt->FromFIFO = ReplyOffset;
3096                         continue;
3097                 }
3098
3099                 /* Welease Wadjah! (and stop timeouts) */
3100                 ASR_ccbRemove (sc, ccb);
3101
3102                 switch (
3103                   I2O_SINGLE_REPLY_MESSAGE_FRAME_getDetailedStatusCode(
3104                     &(Reply->StdReplyFrame))) {
3105
3106                 case I2O_SCSI_DSC_SUCCESS:
3107                         ccb->ccb_h.status &= ~CAM_STATUS_MASK;
3108                         ccb->ccb_h.status |= CAM_REQ_CMP;
3109                         break;
3110
3111                 case I2O_SCSI_DSC_CHECK_CONDITION:
3112                         ccb->ccb_h.status &= ~CAM_STATUS_MASK;
3113                         ccb->ccb_h.status |= CAM_REQ_CMP|CAM_AUTOSNS_VALID;
3114                         break;
3115
3116                 case I2O_SCSI_DSC_BUSY:
3117                         /* FALLTHRU */
3118                 case I2O_SCSI_HBA_DSC_ADAPTER_BUSY:
3119                         /* FALLTHRU */
3120                 case I2O_SCSI_HBA_DSC_SCSI_BUS_RESET:
3121                         /* FALLTHRU */
3122                 case I2O_SCSI_HBA_DSC_BUS_BUSY:
3123                         ccb->ccb_h.status &= ~CAM_STATUS_MASK;
3124                         ccb->ccb_h.status |= CAM_SCSI_BUSY;
3125                         break;
3126
3127                 case I2O_SCSI_HBA_DSC_SELECTION_TIMEOUT:
3128                         ccb->ccb_h.status &= ~CAM_STATUS_MASK;
3129                         ccb->ccb_h.status |= CAM_SEL_TIMEOUT;
3130                         break;
3131
3132                 case I2O_SCSI_HBA_DSC_COMMAND_TIMEOUT:
3133                         /* FALLTHRU */
3134                 case I2O_SCSI_HBA_DSC_DEVICE_NOT_PRESENT:
3135                         /* FALLTHRU */
3136                 case I2O_SCSI_HBA_DSC_LUN_INVALID:
3137                         /* FALLTHRU */
3138                 case I2O_SCSI_HBA_DSC_SCSI_TID_INVALID:
3139                         ccb->ccb_h.status &= ~CAM_STATUS_MASK;
3140                         ccb->ccb_h.status |= CAM_CMD_TIMEOUT;
3141                         break;
3142
3143                 case I2O_SCSI_HBA_DSC_DATA_OVERRUN:
3144                         /* FALLTHRU */
3145                 case I2O_SCSI_HBA_DSC_REQUEST_LENGTH_ERROR:
3146                         ccb->ccb_h.status &= ~CAM_STATUS_MASK;
3147                         ccb->ccb_h.status |= CAM_DATA_RUN_ERR;
3148                         break;
3149
3150                 default:
3151                         ccb->ccb_h.status &= ~CAM_STATUS_MASK;
3152                         ccb->ccb_h.status |= CAM_REQUEUE_REQ;
3153                         break;
3154                 }
3155                 if ((ccb->csio.resid = ccb->csio.dxfer_len) != 0) {
3156                         ccb->csio.resid -=
3157                           I2O_SCSI_ERROR_REPLY_MESSAGE_FRAME_getTransferCount(
3158                             Reply);
3159                 }
3160
3161                 /* Sense data in reply packet */
3162                 if (ccb->ccb_h.status & CAM_AUTOSNS_VALID) {
3163                         u_int16_t size = I2O_SCSI_ERROR_REPLY_MESSAGE_FRAME_getAutoSenseTransferCount(Reply);
3164
3165                         if (size) {
3166                                 if (size > sizeof(ccb->csio.sense_data)) {
3167                                         size = sizeof(ccb->csio.sense_data);
3168                                 }
3169                                 if (size > I2O_SCSI_SENSE_DATA_SZ) {
3170                                         size = I2O_SCSI_SENSE_DATA_SZ;
3171                                 }
3172                                 if ((ccb->csio.sense_len)
3173                                  && (size > ccb->csio.sense_len)) {
3174                                         size = ccb->csio.sense_len;
3175                                 }
3176                                 bcopy ((caddr_t)Reply->SenseData,
3177                                   (caddr_t)&(ccb->csio.sense_data), size);
3178                         }
3179                 }
3180
3181                 /*
3182                  * Return Reply so that it can be used for the next command
3183                  * since we have no more need for it now
3184                  */
3185                 sc->ha_Virt->FromFIFO = ReplyOffset;
3186
3187                 if (ccb->ccb_h.path) {
3188                         xpt_done ((union ccb *)ccb);
3189                 } else {
3190                         wakeup ((caddr_t)ccb);
3191                 }
3192         }
3193         return (processed);
3194 } /* asr_intr */
3195
3196 #undef QueueSize        /* Grrrr */
3197 #undef SG_Size          /* Grrrr */
3198
3199 /*
3200  *      Meant to be included at the bottom of asr.c !!!
3201  */
3202
3203 /*
3204  *      Included here as hard coded. Done because other necessary include
3205  *      files utilize C++ comment structures which make them a nuisance to
3206  *      included here just to pick up these three typedefs.
3207  */
3208 typedef U32   DPT_TAG_T;
3209 typedef U32   DPT_MSG_T;
3210 typedef U32   DPT_RTN_T;
3211
3212 #undef SCSI_RESET       /* Conflicts with "scsi/scsiconf.h" defintion */
3213 #include        "osd_unix.h"
3214
3215 #define asr_unit(dev)     minor(dev)
3216
3217 STATIC INLINE Asr_softc_t *
3218 ASR_get_sc (
3219         IN cdev_t          dev)
3220 {
3221         int               unit = asr_unit(dev);
3222         OUT Asr_softc_t * sc = Asr_softc;
3223
3224         while (sc && sc->ha_sim[0] && (cam_sim_unit(sc->ha_sim[0]) != unit)) {
3225                 sc = sc->ha_next;
3226         }
3227         return (sc);
3228 } /* ASR_get_sc */
3229
3230 STATIC u_int8_t ASR_ctlr_held;
3231 #if (!defined(UNREFERENCED_PARAMETER))
3232 # define UNREFERENCED_PARAMETER(x) (void)(x)
3233 #endif
3234
3235 STATIC int
3236 asr_open(struct dev_open_args *ap)
3237 {
3238         cdev_t dev = ap->a_head.a_dev;
3239         OUT int error;
3240
3241         if (ASR_get_sc (dev) == NULL) {
3242                 return (ENODEV);
3243         }
3244         crit_enter();
3245         if (ASR_ctlr_held) {
3246                 error = EBUSY;
3247         } else if ((error = priv_check_cred(ap->a_cred, PRIV_ROOT, 0)) == 0) {
3248                 ++ASR_ctlr_held;
3249         }
3250         crit_exit();
3251         return (error);
3252 } /* asr_open */
3253
3254 STATIC int
3255 asr_close(struct dev_close_args *ap)
3256 {
3257         ASR_ctlr_held = 0;
3258         return (0);
3259 } /* asr_close */
3260
3261
3262 /*-------------------------------------------------------------------------*/
3263 /*                    Function ASR_queue_i                                 */
3264 /*-------------------------------------------------------------------------*/
3265 /* The Parameters Passed To This Function Are :                            */
3266 /*     Asr_softc_t *      : HBA miniport driver's adapter data storage.    */
3267 /*     PI2O_MESSAGE_FRAME : Msg Structure Pointer For This Command         */
3268 /*      I2O_SCSI_ERROR_REPLY_MESSAGE_FRAME following the Msg Structure     */
3269 /*                                                                         */
3270 /* This Function Will Take The User Request Packet And Convert It To An    */
3271 /* I2O MSG And Send It Off To The Adapter.                                 */
3272 /*                                                                         */
3273 /* Return : 0 For OK, Error Code Otherwise                                 */
3274 /*-------------------------------------------------------------------------*/
3275 STATIC INLINE int
3276 ASR_queue_i(
3277         IN Asr_softc_t                             * sc,
3278         INOUT PI2O_MESSAGE_FRAME                     Packet)
3279 {
3280         union asr_ccb                              * ccb;
3281         PI2O_SCSI_ERROR_REPLY_MESSAGE_FRAME          Reply;
3282         PI2O_MESSAGE_FRAME                           Message_Ptr;
3283         PI2O_SCSI_ERROR_REPLY_MESSAGE_FRAME          Reply_Ptr;
3284         int                                          MessageSizeInBytes;
3285         int                                          ReplySizeInBytes;
3286         int                                          error;
3287         int                                          s;
3288         /* Scatter Gather buffer list */
3289         struct ioctlSgList_S {
3290                 SLIST_ENTRY(ioctlSgList_S) link;
3291                 caddr_t                    UserSpace;
3292                 I2O_FLAGS_COUNT            FlagsCount;
3293                 char                       KernelSpace[sizeof(long)];
3294         }                                          * elm;
3295         /* Generates a `first' entry */
3296         SLIST_HEAD(ioctlSgListHead_S, ioctlSgList_S) sgList;
3297
3298         if (ASR_getBlinkLedCode(sc)) {
3299                 debug_usr_cmd_printf ("Adapter currently in BlinkLed %x\n",
3300                   ASR_getBlinkLedCode(sc));
3301                 return (EIO);
3302         }
3303         /* Copy in the message into a local allocation */
3304         Message_Ptr = (PI2O_MESSAGE_FRAME)kmalloc (
3305           sizeof(I2O_MESSAGE_FRAME), M_TEMP, M_WAITOK);
3306         if ((error = copyin ((caddr_t)Packet, (caddr_t)Message_Ptr,
3307           sizeof(I2O_MESSAGE_FRAME))) != 0) {
3308                 kfree (Message_Ptr, M_TEMP);
3309                 debug_usr_cmd_printf ("Can't copy in packet errno=%d\n", error);
3310                 return (error);
3311         }
3312         /* Acquire information to determine type of packet */
3313         MessageSizeInBytes = (I2O_MESSAGE_FRAME_getMessageSize(Message_Ptr)<<2);
3314         /* The offset of the reply information within the user packet */
3315         Reply = (PI2O_SCSI_ERROR_REPLY_MESSAGE_FRAME)((char *)Packet
3316           + MessageSizeInBytes);
3317
3318         /* Check if the message is a synchronous initialization command */
3319         s = I2O_MESSAGE_FRAME_getFunction(Message_Ptr);
3320         kfree (Message_Ptr, M_TEMP);
3321         switch (s) {
3322
3323         case I2O_EXEC_IOP_RESET:
3324         {       U32 status;
3325
3326                 status = ASR_resetIOP(sc->ha_Virt, sc->ha_Fvirt);
3327                 ReplySizeInBytes = sizeof(status);
3328                 debug_usr_cmd_printf ("resetIOP done\n");
3329                 return (copyout ((caddr_t)&status, (caddr_t)Reply,
3330                   ReplySizeInBytes));
3331         }
3332
3333         case I2O_EXEC_STATUS_GET:
3334         {       I2O_EXEC_STATUS_GET_REPLY status;
3335
3336                 if (ASR_getStatus (sc->ha_Virt, sc->ha_Fvirt, &status)
3337                   == (PI2O_EXEC_STATUS_GET_REPLY)NULL) {
3338                         debug_usr_cmd_printf ("getStatus failed\n");
3339                         return (ENXIO);
3340                 }
3341                 ReplySizeInBytes = sizeof(status);
3342                 debug_usr_cmd_printf ("getStatus done\n");
3343                 return (copyout ((caddr_t)&status, (caddr_t)Reply,
3344                   ReplySizeInBytes));
3345         }
3346
3347         case I2O_EXEC_OUTBOUND_INIT:
3348         {       U32 status;
3349
3350                 status = ASR_initOutBound(sc);
3351                 ReplySizeInBytes = sizeof(status);
3352                 debug_usr_cmd_printf ("intOutBound done\n");
3353                 return (copyout ((caddr_t)&status, (caddr_t)Reply,
3354                   ReplySizeInBytes));
3355         }
3356         }
3357
3358         /* Determine if the message size is valid */
3359         if ((MessageSizeInBytes < sizeof(I2O_MESSAGE_FRAME))
3360          || (MAX_INBOUND_SIZE < MessageSizeInBytes)) {
3361                 debug_usr_cmd_printf ("Packet size %d incorrect\n",
3362                   MessageSizeInBytes);
3363                 return (EINVAL);
3364         }
3365
3366         Message_Ptr = (PI2O_MESSAGE_FRAME)kmalloc (MessageSizeInBytes,
3367           M_TEMP, M_WAITOK);
3368         if ((error = copyin ((caddr_t)Packet, (caddr_t)Message_Ptr,
3369           MessageSizeInBytes)) != 0) {
3370                 kfree (Message_Ptr, M_TEMP);
3371                 debug_usr_cmd_printf ("Can't copy in packet[%d] errno=%d\n",
3372                   MessageSizeInBytes, error);
3373                 return (error);
3374         }
3375
3376         /* Check the size of the reply frame, and start constructing */
3377
3378         Reply_Ptr = (PI2O_SCSI_ERROR_REPLY_MESSAGE_FRAME)kmalloc (
3379           sizeof(I2O_MESSAGE_FRAME), M_TEMP, M_WAITOK);
3380         if ((error = copyin ((caddr_t)Reply, (caddr_t)Reply_Ptr,
3381           sizeof(I2O_MESSAGE_FRAME))) != 0) {
3382                 kfree (Reply_Ptr, M_TEMP);
3383                 kfree (Message_Ptr, M_TEMP);
3384                 debug_usr_cmd_printf (
3385                   "Failed to copy in reply frame, errno=%d\n",
3386                   error);
3387                 return (error);
3388         }
3389         ReplySizeInBytes = (I2O_MESSAGE_FRAME_getMessageSize(
3390           &(Reply_Ptr->StdReplyFrame.StdMessageFrame)) << 2);
3391         kfree (Reply_Ptr, M_TEMP);
3392         if (ReplySizeInBytes < sizeof(I2O_SINGLE_REPLY_MESSAGE_FRAME)) {
3393                 kfree (Message_Ptr, M_TEMP);
3394                 debug_usr_cmd_printf (
3395                   "Failed to copy in reply frame[%d], errno=%d\n",
3396                   ReplySizeInBytes, error);
3397                 return (EINVAL);
3398         }
3399
3400         Reply_Ptr = (PI2O_SCSI_ERROR_REPLY_MESSAGE_FRAME)kmalloc (
3401           ((ReplySizeInBytes > sizeof(I2O_SCSI_ERROR_REPLY_MESSAGE_FRAME))
3402             ? ReplySizeInBytes
3403             : sizeof(I2O_SCSI_ERROR_REPLY_MESSAGE_FRAME)),
3404           M_TEMP, M_WAITOK);
3405         (void)ASR_fillMessage ((char *)Reply_Ptr, ReplySizeInBytes);
3406         Reply_Ptr->StdReplyFrame.StdMessageFrame.InitiatorContext
3407           = Message_Ptr->InitiatorContext;
3408         Reply_Ptr->StdReplyFrame.TransactionContext
3409           = ((PI2O_PRIVATE_MESSAGE_FRAME)Message_Ptr)->TransactionContext;
3410         I2O_MESSAGE_FRAME_setMsgFlags(
3411           &(Reply_Ptr->StdReplyFrame.StdMessageFrame),
3412           I2O_MESSAGE_FRAME_getMsgFlags(
3413             &(Reply_Ptr->StdReplyFrame.StdMessageFrame))
3414               | I2O_MESSAGE_FLAGS_REPLY);
3415
3416         /* Check if the message is a special case command */
3417         switch (I2O_MESSAGE_FRAME_getFunction(Message_Ptr)) {
3418         case I2O_EXEC_SYS_TAB_SET: /* Special Case of empty Scatter Gather */
3419                 if (MessageSizeInBytes == ((I2O_MESSAGE_FRAME_getVersionOffset(
3420                   Message_Ptr) & 0xF0) >> 2)) {
3421                         kfree (Message_Ptr, M_TEMP);
3422                         I2O_SINGLE_REPLY_MESSAGE_FRAME_setDetailedStatusCode(
3423                           &(Reply_Ptr->StdReplyFrame),
3424                           (ASR_setSysTab(sc) != CAM_REQ_CMP));
3425                         I2O_MESSAGE_FRAME_setMessageSize(
3426                           &(Reply_Ptr->StdReplyFrame.StdMessageFrame),
3427                           sizeof(I2O_SINGLE_REPLY_MESSAGE_FRAME));
3428                         error = copyout ((caddr_t)Reply_Ptr, (caddr_t)Reply,
3429                           ReplySizeInBytes);
3430                         kfree (Reply_Ptr, M_TEMP);
3431                         return (error);
3432                 }
3433         }
3434
3435         /* Deal in the general case */
3436         /* First allocate and optionally copy in each scatter gather element */
3437         SLIST_INIT(&sgList);
3438         if ((I2O_MESSAGE_FRAME_getVersionOffset(Message_Ptr) & 0xF0) != 0) {
3439                 PI2O_SGE_SIMPLE_ELEMENT sg;
3440
3441                 /*
3442                  *      since this code is reused in several systems, code
3443                  * efficiency is greater by using a shift operation rather
3444                  * than a divide by sizeof(u_int32_t).
3445                  */
3446                 sg = (PI2O_SGE_SIMPLE_ELEMENT)((char *)Message_Ptr
3447                   + ((I2O_MESSAGE_FRAME_getVersionOffset(Message_Ptr) & 0xF0)
3448                     >> 2));
3449                 while (sg < (PI2O_SGE_SIMPLE_ELEMENT)(((caddr_t)Message_Ptr)
3450                   + MessageSizeInBytes)) {
3451                         caddr_t v;
3452                         int     len;
3453
3454                         if ((I2O_FLAGS_COUNT_getFlags(&(sg->FlagsCount))
3455                          & I2O_SGL_FLAGS_SIMPLE_ADDRESS_ELEMENT) == 0) {
3456                                 error = EINVAL;
3457                                 break;
3458                         }
3459                         len = I2O_FLAGS_COUNT_getCount(&(sg->FlagsCount));
3460                         debug_usr_cmd_printf ("SG[%d] = %x[%d]\n",
3461                           sg - (PI2O_SGE_SIMPLE_ELEMENT)((char *)Message_Ptr
3462                           + ((I2O_MESSAGE_FRAME_getVersionOffset(
3463                                 Message_Ptr) & 0xF0) >> 2)),
3464                           I2O_SGE_SIMPLE_ELEMENT_getPhysicalAddress(sg), len);
3465
3466                         elm = (struct ioctlSgList_S *)kmalloc (
3467                           sizeof(*elm) - sizeof(elm->KernelSpace) + len,
3468                           M_TEMP, M_WAITOK);
3469                         SLIST_INSERT_HEAD(&sgList, elm, link);
3470                         elm->FlagsCount = sg->FlagsCount;
3471                         elm->UserSpace = (caddr_t)
3472                           (I2O_SGE_SIMPLE_ELEMENT_getPhysicalAddress(sg));
3473                         v = elm->KernelSpace;
3474                         /* Copy in outgoing data (DIR bit could be invalid) */
3475                         if ((error = copyin (elm->UserSpace, (caddr_t)v, len))
3476                           != 0) {
3477                                 break;
3478                         }
3479                         /*
3480                          *      If the buffer is not contiguous, lets
3481                          * break up the scatter/gather entries.
3482                          */
3483                         while ((len > 0)
3484                          && (sg < (PI2O_SGE_SIMPLE_ELEMENT)
3485                           (((caddr_t)Message_Ptr) + MAX_INBOUND_SIZE))) {
3486                                 int next, base, span;
3487
3488                                 span = 0;
3489                                 next = base = KVTOPHYS(v);
3490                                 I2O_SGE_SIMPLE_ELEMENT_setPhysicalAddress(sg,
3491                                   base);
3492
3493                                 /* How far can we go physically contiguously */
3494                                 while ((len > 0) && (base == next)) {
3495                                         int size;
3496
3497                                         next = trunc_page(base) + PAGE_SIZE;
3498                                         size = next - base;
3499                                         if (size > len) {
3500                                                 size = len;
3501                                         }
3502                                         span += size;
3503                                         v += size;
3504                                         len -= size;
3505                                         base = KVTOPHYS(v);
3506                                 }
3507
3508                                 /* Construct the Flags */
3509                                 I2O_FLAGS_COUNT_setCount(&(sg->FlagsCount),
3510                                   span);
3511                                 {
3512                                         int flags = I2O_FLAGS_COUNT_getFlags(
3513                                           &(elm->FlagsCount));
3514                                         /* Any remaining length? */
3515                                         if (len > 0) {
3516                                             flags &=
3517                                                 ~(I2O_SGL_FLAGS_END_OF_BUFFER
3518                                                  | I2O_SGL_FLAGS_LAST_ELEMENT);
3519                                         }
3520                                         I2O_FLAGS_COUNT_setFlags(
3521                                           &(sg->FlagsCount), flags);
3522                                 }
3523
3524                                 debug_usr_cmd_printf ("sg[%d] = %x[%d]\n",
3525                                   sg - (PI2O_SGE_SIMPLE_ELEMENT)
3526                                     ((char *)Message_Ptr
3527                                   + ((I2O_MESSAGE_FRAME_getVersionOffset(
3528                                         Message_Ptr) & 0xF0) >> 2)),
3529                                   I2O_SGE_SIMPLE_ELEMENT_getPhysicalAddress(sg),
3530                                   span);
3531                                 if (len <= 0) {
3532                                         break;
3533                                 }
3534
3535                                 /*
3536                                  * Incrementing requires resizing of the
3537                                  * packet, and moving up the existing SG
3538                                  * elements.
3539                                  */
3540                                 ++sg;
3541                                 MessageSizeInBytes += sizeof(*sg);
3542                                 I2O_MESSAGE_FRAME_setMessageSize(Message_Ptr,
3543                                   I2O_MESSAGE_FRAME_getMessageSize(Message_Ptr)
3544                                   + (sizeof(*sg) / sizeof(U32)));
3545                                 {
3546                                         PI2O_MESSAGE_FRAME NewMessage_Ptr;
3547
3548                                         NewMessage_Ptr
3549                                           = (PI2O_MESSAGE_FRAME)
3550                                             kmalloc (MessageSizeInBytes,
3551                                              M_TEMP, M_WAITOK);
3552                                         span = ((caddr_t)sg)
3553                                              - (caddr_t)Message_Ptr;
3554                                         bcopy ((caddr_t)Message_Ptr,
3555                                           (caddr_t)NewMessage_Ptr, span);
3556                                         bcopy ((caddr_t)(sg-1),
3557                                           ((caddr_t)NewMessage_Ptr) + span,
3558                                           MessageSizeInBytes - span);
3559                                         kfree (Message_Ptr, M_TEMP);
3560                                         sg = (PI2O_SGE_SIMPLE_ELEMENT)
3561                                           (((caddr_t)NewMessage_Ptr) + span);
3562                                         Message_Ptr = NewMessage_Ptr;
3563                                 }
3564                         }
3565                         if ((error)
3566                          || ((I2O_FLAGS_COUNT_getFlags(&(sg->FlagsCount))
3567                           & I2O_SGL_FLAGS_LAST_ELEMENT) != 0)) {
3568                                 break;
3569                         }
3570                         ++sg;
3571                 }
3572                 if (error) {
3573                         while ((elm = SLIST_FIRST(&sgList))
3574                           != NULL) {
3575                                 SLIST_REMOVE_HEAD(&sgList, link);
3576                                 kfree (elm, M_TEMP);
3577                         }
3578                         kfree (Reply_Ptr, M_TEMP);
3579                         kfree (Message_Ptr, M_TEMP);
3580                         return (error);
3581                 }
3582         }
3583
3584         debug_usr_cmd_printf ("Inbound: ");
3585         debug_usr_cmd_dump_message(Message_Ptr);
3586
3587         /* Send the command */
3588         if ((ccb = asr_alloc_ccb (sc)) == NULL) {
3589                 /* Free up in-kernel buffers */
3590                 while ((elm = SLIST_FIRST(&sgList))
3591                   != NULL) {
3592                         SLIST_REMOVE_HEAD(&sgList, link);
3593                         kfree (elm, M_TEMP);
3594                 }
3595                 kfree (Reply_Ptr, M_TEMP);
3596                 kfree (Message_Ptr, M_TEMP);
3597                 return (ENOMEM);
3598         }
3599
3600         /*
3601          * We do not need any (optional byteswapping) method access to
3602          * the Initiator context field.
3603          */
3604         I2O_MESSAGE_FRAME_setInitiatorContext64(
3605           (PI2O_MESSAGE_FRAME)Message_Ptr, (long)ccb);
3606
3607         (void)ASR_queue (sc, (PI2O_MESSAGE_FRAME)Message_Ptr);
3608
3609         kfree (Message_Ptr, M_TEMP);
3610
3611         /*
3612          * Wait for the board to report a finished instruction.
3613          */
3614         crit_enter();
3615         while ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INPROG) {
3616                 if (ASR_getBlinkLedCode(sc)) {
3617                         /* Reset Adapter */
3618                         kprintf ("asr%d: Blink LED 0x%x resetting adapter\n",
3619                           cam_sim_unit(xpt_path_sim(ccb->ccb_h.path)),
3620                           ASR_getBlinkLedCode(sc));
3621                         if (ASR_reset (sc) == ENXIO) {
3622                                 /* Command Cleanup */
3623                                 ASR_ccbRemove(sc, ccb);
3624                         }
3625                         crit_exit();
3626                         /* Free up in-kernel buffers */
3627                         while ((elm = SLIST_FIRST(&sgList))
3628                           != NULL) {
3629                                 SLIST_REMOVE_HEAD(&sgList, link);
3630                                 kfree (elm, M_TEMP);
3631                         }
3632                         kfree (Reply_Ptr, M_TEMP);
3633                         asr_free_ccb(ccb);
3634                         return (EIO);
3635                 }
3636                 /* Check every second for BlinkLed */
3637                 tsleep((caddr_t)ccb, 0, "asr", hz);
3638         }
3639         crit_exit();
3640
3641         debug_usr_cmd_printf ("Outbound: ");
3642         debug_usr_cmd_dump_message(Reply_Ptr);
3643
3644         I2O_SINGLE_REPLY_MESSAGE_FRAME_setDetailedStatusCode(
3645           &(Reply_Ptr->StdReplyFrame),
3646           (ccb->ccb_h.status != CAM_REQ_CMP));
3647
3648         if (ReplySizeInBytes >= (sizeof(I2O_SCSI_ERROR_REPLY_MESSAGE_FRAME)
3649           - I2O_SCSI_SENSE_DATA_SZ - sizeof(U32))) {
3650                 I2O_SCSI_ERROR_REPLY_MESSAGE_FRAME_setTransferCount(Reply_Ptr,
3651                   ccb->csio.dxfer_len - ccb->csio.resid);
3652         }
3653         if ((ccb->ccb_h.status & CAM_AUTOSNS_VALID) && (ReplySizeInBytes
3654          > (sizeof(I2O_SCSI_ERROR_REPLY_MESSAGE_FRAME)
3655          - I2O_SCSI_SENSE_DATA_SZ))) {
3656                 int size = ReplySizeInBytes
3657                   - sizeof(I2O_SCSI_ERROR_REPLY_MESSAGE_FRAME)
3658                   - I2O_SCSI_SENSE_DATA_SZ;
3659
3660                 if (size > sizeof(ccb->csio.sense_data)) {
3661                         size = sizeof(ccb->csio.sense_data);
3662                 }
3663                 bcopy ((caddr_t)&(ccb->csio.sense_data), (caddr_t)Reply_Ptr->SenseData,
3664                   size);
3665                 I2O_SCSI_ERROR_REPLY_MESSAGE_FRAME_setAutoSenseTransferCount(
3666                   Reply_Ptr, size);
3667         }
3668
3669         /* Free up in-kernel buffers */
3670         while ((elm = SLIST_FIRST(&sgList)) != NULL) {
3671                 /* Copy out as necessary */
3672                 if ((error == 0)
3673                 /* DIR bit considered `valid', error due to ignorance works */
3674                  && ((I2O_FLAGS_COUNT_getFlags(&(elm->FlagsCount))
3675                   & I2O_SGL_FLAGS_DIR) == 0)) {
3676                         error = copyout ((caddr_t)(elm->KernelSpace),
3677                           elm->UserSpace,
3678                           I2O_FLAGS_COUNT_getCount(&(elm->FlagsCount)));
3679                 }
3680                 SLIST_REMOVE_HEAD(&sgList, link);
3681                 kfree (elm, M_TEMP);
3682         }
3683         if (error == 0) {
3684         /* Copy reply frame to user space */
3685                 error = copyout ((caddr_t)Reply_Ptr, (caddr_t)Reply,
3686                   ReplySizeInBytes);
3687         }
3688         kfree (Reply_Ptr, M_TEMP);
3689         asr_free_ccb(ccb);
3690
3691         return (error);
3692 } /* ASR_queue_i */
3693
3694 /*----------------------------------------------------------------------*/
3695 /*                          Function asr_ioctl                         */
3696 /*----------------------------------------------------------------------*/
3697 /* The parameters passed to this function are :                         */
3698 /*     dev  : Device number.                                            */
3699 /*     cmd  : Ioctl Command                                             */
3700 /*     data : User Argument Passed In.                                  */
3701 /*     flag : Mode Parameter                                            */
3702 /*     proc : Process Parameter                                         */
3703 /*                                                                      */
3704 /* This function is the user interface into this adapter driver         */
3705 /*                                                                      */
3706 /* Return : zero if OK, error code if not                               */
3707 /*----------------------------------------------------------------------*/
3708