xref: /dragonfly/sys/dev/raid/arcmsr/arcmsr.c (revision 030b0c8c4cf27c560ccec70410c8e21934ae677d)
1 /*
2 ********************************************************************************
3 **        OS    : FreeBSD
4 **   FILE NAME  : arcmsr.c
5 **        BY    : Erich Chen, Ching Huang
6 **   Description: SCSI RAID Device Driver for
7 **                ARECA (ARC11XX/ARC12XX/ARC13XX/ARC16XX/ARC188x)
8 **                SATA/SAS RAID HOST Adapter
9 ********************************************************************************
10 ********************************************************************************
11 **
12 ** Copyright (C) 2002 - 2012, Areca Technology Corporation All rights reserved.
13 **
14 ** Redistribution and use in source and binary forms, with or without
15 ** modification, are permitted provided that the following conditions
16 ** are met:
17 ** 1. Redistributions of source code must retain the above copyright
18 **    notice, this list of conditions and the following disclaimer.
19 ** 2. Redistributions in binary form must reproduce the above copyright
20 **    notice, this list of conditions and the following disclaimer in the
21 **    documentation and/or other materials provided with the distribution.
22 ** 3. The name of the author may not be used to endorse or promote products
23 **    derived from this software without specific prior written permission.
24 **
25 ** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
26 ** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
27 ** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
28 ** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
29 ** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES(INCLUDING, BUT
30 ** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
31 ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION)HOWEVER CAUSED AND ON ANY
32 ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
33 **(INCLUDING NEGLIGENCE OR OTHERWISE)ARISING IN ANY WAY OUT OF THE USE OF
34 ** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35 ********************************************************************************
36 ** History
37 **
38 **    REV#         DATE         NAME        DESCRIPTION
39 ** 1.00.00.00   03/31/2004  Erich Chen      First release
40 ** 1.20.00.02   11/29/2004  Erich Chen      bug fix with arcmsr_bus_reset when PHY error
41 ** 1.20.00.03   04/19/2005  Erich Chen      add SATA 24 Ports adapter type support
42 **                                          clean unused function
43 ** 1.20.00.12   09/12/2005  Erich Chen      bug fix with abort command handling,
44 **                                          firmware version check
45 **                                          and firmware update notify for hardware bug fix
46 **                                          handling if none zero high part physical address
47 **                                          of srb resource
48 ** 1.20.00.13   08/18/2006  Erich Chen      remove pending srb and report busy
49 **                                          add iop message xfer
50 **                                          with scsi pass-through command
51 **                                          add new device id of sas raid adapters
52 **                                          code fit for SPARC64 & PPC
53 ** 1.20.00.14   02/05/2007  Erich Chen      bug fix for incorrect ccb_h.status report
54 **                                          and cause g_vfs_done() read write error
55 ** 1.20.00.15   10/10/2007  Erich Chen      support new RAID adapter type ARC120x
56 ** 1.20.00.16   10/10/2009  Erich Chen      Bug fix for RAID adapter type ARC120x
57 **                                          bus_dmamem_alloc() with BUS_DMA_ZERO
58 ** 1.20.00.17   07/15/2010  Ching Huang     Added support ARC1880
59 **                                          report CAM_DEV_NOT_THERE instead of CAM_SEL_TIMEOUT when device failed,
60 **                                          prevent cam_periph_error removing all LUN devices of one Target id
61 **                                          for any one LUN device failed
62 ** 1.20.00.18   10/14/2010  Ching Huang     Fixed "inquiry data fails comparion at DV1 step"
63 **              10/25/2010  Ching Huang     Fixed bad range input in bus_alloc_resource for ADAPTER_TYPE_B
64 ** 1.20.00.19   11/11/2010  Ching Huang     Fixed arcmsr driver prevent arcsas support for Areca SAS HBA ARC13x0
65 ** 1.20.00.20   12/08/2010  Ching Huang     Avoid calling atomic_set_int function
66 ** 1.20.00.21   02/08/2011  Ching Huang     Implement I/O request timeout
67 **              02/14/2011  Ching Huang     Modified pktRequestCount
68 ** 1.20.00.21   03/03/2011  Ching Huang     if a command timeout, then wait its ccb back before free it
69 ** 1.20.00.22   07/04/2011  Ching Huang     Fixed multiple MTX panic
70 ** 1.20.00.23   10/28/2011  Ching Huang     Added TIMEOUT_DELAY in case of too many HDDs need to start
71 ** 1.20.00.23   11/08/2011  Ching Huang     Added report device transfer speed
72 ** 1.20.00.23   01/30/2012  Ching Huang     Fixed Request requeued and Retrying command
73 ** 1.20.00.24   06/11/2012  Ching Huang     Fixed return sense data condition
74 ** 1.20.00.25   08/17/2012  Ching Huang     Fixed hotplug device no function on type A adapter
75 ** 1.20.00.26   12/14/2012  Ching Huang     Added support ARC1214,1224,1264,1284
76 ** 1.20.00.27   05/06/2013  Ching Huang     Fixed out standing cmd full on ARC-12x4
77 ** 1.20.00.28   09/13/2013  Ching Huang     Removed recursive mutex in arcmsr_abort_dr_ccbs
78 ** 1.20.00.29   12/18/2013  Ching Huang     Change simq allocation number, support ARC1883
79 ** 1.30.00.00   11/30/2015  Ching Huang     Added support ARC1203
80 ** 1.40.00.00   10/26/2017  Ching Huang     Added support ARC1884
81 ******************************************************************************************
82 * $FreeBSD: head/sys/dev/arcmsr/arcmsr.c 259565 2013-12-18 19:25:40Z delphij $
83 */
84 #if 0
85 #define ARCMSR_DEBUG1                   1
86 #endif
87 #include <sys/param.h>
88 #include <sys/systm.h>
89 #include <sys/malloc.h>
90 #include <sys/kernel.h>
91 #include <sys/bus.h>
92 #include <sys/queue.h>
93 #include <sys/stat.h>
94 #include <sys/kthread.h>
95 #include <sys/module.h>
96 #include <sys/proc.h>
97 #include <sys/lock.h>
98 #include <sys/sysctl.h>
99 #include <sys/thread2.h>
100 #include <sys/poll.h>
101 #include <sys/device.h>
102 #include <vm/vm.h>
103 #include <vm/vm_param.h>
104 #include <vm/pmap.h>
105 
106 #include <machine/atomic.h>
107 #include <sys/conf.h>
108 #include <sys/rman.h>
109 
110 #include <bus/cam/cam.h>
111 #include <bus/cam/cam_ccb.h>
112 #include <bus/cam/cam_sim.h>
113 #include <bus/cam/cam_periph.h>
114 #include <bus/cam/cam_xpt_periph.h>
115 #include <bus/cam/cam_xpt_sim.h>
116 #include <bus/cam/cam_debug.h>
117 #include <bus/cam/scsi/scsi_all.h>
118 #include <bus/cam/scsi/scsi_message.h>
119 /*
120 **************************************************************************
121 **************************************************************************
122 */
123 #include <sys/endian.h>
124 #include <bus/pci/pcivar.h>
125 #include <bus/pci/pcireg.h>
126 
127 #define arcmsr_callout_init(a)          callout_init_mp(a);
128 
129 #define ARCMSR_DRIVER_VERSION "arcmsr version 1.40.00.00 2017-10-26"
130 #include <dev/raid/arcmsr/arcmsr.h>
131 /*
132 **************************************************************************
133 **************************************************************************
134 */
135 static void arcmsr_free_srb(struct CommandControlBlock *srb);
136 static struct CommandControlBlock *arcmsr_get_freesrb(struct AdapterControlBlock *acb);
137 static u_int8_t arcmsr_seek_cmd2abort(union ccb *abortccb);
138 static int arcmsr_probe(device_t dev);
139 static int arcmsr_attach(device_t dev);
140 static int arcmsr_detach(device_t dev);
141 static u_int32_t arcmsr_iop_ioctlcmd(struct AdapterControlBlock *acb, u_int32_t ioctl_cmd, caddr_t arg);
142 static void arcmsr_iop_parking(struct AdapterControlBlock *acb);
143 static int arcmsr_shutdown(device_t dev);
144 static void arcmsr_interrupt(struct AdapterControlBlock *acb);
145 static void arcmsr_polling_srbdone(struct AdapterControlBlock *acb, struct CommandControlBlock *poll_srb);
146 static void arcmsr_free_resource(struct AdapterControlBlock *acb);
147 static void arcmsr_bus_reset(struct AdapterControlBlock *acb);
148 static void arcmsr_stop_adapter_bgrb(struct AdapterControlBlock *acb);
149 static void arcmsr_start_adapter_bgrb(struct AdapterControlBlock *acb);
150 static void arcmsr_iop_init(struct AdapterControlBlock *acb);
151 static void arcmsr_flush_adapter_cache(struct AdapterControlBlock *acb);
152 static u_int32_t arcmsr_Read_iop_rqbuffer_data(struct AdapterControlBlock *acb, struct QBUFFER *prbuffer);
153 static void arcmsr_Write_data_2iop_wqbuffer(struct AdapterControlBlock *acb);
154 static void arcmsr_abort_allcmd(struct AdapterControlBlock *acb);
155 static void arcmsr_srb_complete(struct CommandControlBlock *srb, int stand_flag);
156 static void arcmsr_iop_reset(struct AdapterControlBlock *acb);
157 static void arcmsr_report_sense_info(struct CommandControlBlock *srb);
158 static void arcmsr_build_srb(struct CommandControlBlock *srb, bus_dma_segment_t *dm_segs, u_int32_t nseg);
159 static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, union ccb *pccb);
160 static int arcmsr_resume(device_t dev);
161 static int arcmsr_suspend(device_t dev);
162 static void arcmsr_rescanLun_cb(struct cam_periph *periph, union ccb *ccb);
163 static void arcmsr_polling_devmap(void *arg);
164 static void arcmsr_srb_timeout(void *arg);
165 static void arcmsr_hbd_postqueue_isr(struct AdapterControlBlock *acb);
166 static void arcmsr_hbe_postqueue_isr(struct AdapterControlBlock *acb);
167 static void arcmsr_teardown_intr(device_t dev, struct AdapterControlBlock *acb);
168 #ifdef ARCMSR_DEBUG1
169 static void arcmsr_dump_data(struct AdapterControlBlock *acb);
170 #endif
171 /*
172 **************************************************************************
173 **************************************************************************
174 */
UDELAY(u_int32_t us)175 static void UDELAY(u_int32_t us) { DELAY(us); }
176 /*
177 **************************************************************************
178 **************************************************************************
179 */
180 static bus_dmamap_callback_t arcmsr_map_free_srb;
181 static bus_dmamap_callback_t arcmsr_execute_srb;
182 /*
183 **************************************************************************
184 **************************************************************************
185 */
186 static d_open_t     arcmsr_open;
187 static d_close_t arcmsr_close;
188 static d_ioctl_t arcmsr_ioctl;
189 
190 static device_method_t arcmsr_methods[]={
191           DEVMETHOD(device_probe,                 arcmsr_probe),
192           DEVMETHOD(device_attach,      arcmsr_attach),
193           DEVMETHOD(device_detach,      arcmsr_detach),
194           DEVMETHOD(device_shutdown,    arcmsr_shutdown),
195           DEVMETHOD(device_suspend,     arcmsr_suspend),
196           DEVMETHOD(device_resume,      arcmsr_resume),
197           DEVMETHOD(bus_print_child,    bus_generic_print_child),
198           DEVMETHOD(bus_driver_added,   bus_generic_driver_added),
199           DEVMETHOD_END
200 };
201 
202 static driver_t arcmsr_driver={
203           "arcmsr", arcmsr_methods, sizeof(struct AdapterControlBlock)
204 };
205 
206 static devclass_t arcmsr_devclass;
207 DRIVER_MODULE(arcmsr, pci, arcmsr_driver, arcmsr_devclass, NULL, NULL);
208 MODULE_VERSION(arcmsr, 1);
209 MODULE_DEPEND(arcmsr, pci, 1, 1, 1);
210 MODULE_DEPEND(arcmsr, cam, 1, 1, 1);
211 #ifndef BUS_DMA_COHERENT
212           #define   BUS_DMA_COHERENT    0x04      /* hint: map memory in a coherent way */
213 #endif
214 static struct dev_ops arcmsr_ops = {
215           { "arcmsr", 0, D_MPSAFE },
216           .d_open    = arcmsr_open,     /* open     */
217           .d_close   = arcmsr_close,    /* close    */
218           .d_ioctl   = arcmsr_ioctl,    /* ioctl    */
219 };
220 
221 static int          arcmsr_msi_enable = 1;
222 TUNABLE_INT("hw.arcmsr.msi.enable", &arcmsr_msi_enable);
223 
224 /*
225 **************************************************************************
226 **************************************************************************
227 */
228 static int
arcmsr_open(struct dev_open_args * ap)229 arcmsr_open(struct dev_open_args *ap)
230 {
231           cdev_t dev = ap->a_head.a_dev;
232           struct AdapterControlBlock *acb = dev->si_drv1;
233 
234           if(acb == NULL) {
235                     return ENXIO;
236           }
237           return (0);
238 }
239 /*
240 **************************************************************************
241 **************************************************************************
242 */
243 static int
arcmsr_close(struct dev_close_args * ap)244 arcmsr_close(struct dev_close_args *ap)
245 {
246           cdev_t dev = ap->a_head.a_dev;
247           struct AdapterControlBlock *acb = dev->si_drv1;
248 
249           if(acb == NULL) {
250                     return ENXIO;
251           }
252           return 0;
253 }
254 /*
255 **************************************************************************
256 **************************************************************************
257 */
258 static int
arcmsr_ioctl(struct dev_ioctl_args * ap)259 arcmsr_ioctl(struct dev_ioctl_args *ap)
260 {
261           cdev_t dev = ap->a_head.a_dev;
262           u_long ioctl_cmd = ap->a_cmd;
263           caddr_t arg = ap->a_data;
264           struct AdapterControlBlock *acb = dev->si_drv1;
265 
266           if(acb == NULL) {
267                     return ENXIO;
268           }
269           return (arcmsr_iop_ioctlcmd(acb, ioctl_cmd, arg));
270 }
271 /*
272 **********************************************************************
273 **********************************************************************
274 */
arcmsr_disable_allintr(struct AdapterControlBlock * acb)275 static u_int32_t arcmsr_disable_allintr( struct AdapterControlBlock *acb)
276 {
277           u_int32_t intmask_org = 0;
278 
279           switch (acb->adapter_type) {
280           case ACB_ADAPTER_TYPE_A: {
281                               /* disable all outbound interrupt */
282                               intmask_org = CHIP_REG_READ32(HBA_MessageUnit, 0, outbound_intmask); /* disable outbound message0 int */
283                               CHIP_REG_WRITE32(HBA_MessageUnit, 0, outbound_intmask, intmask_org|ARCMSR_MU_OUTBOUND_ALL_INTMASKENABLE);
284                     }
285                     break;
286           case ACB_ADAPTER_TYPE_B: {
287                               struct HBB_MessageUnit *phbbmu = (struct HBB_MessageUnit *)acb->pmu;
288                               /* disable all outbound interrupt */
289                               intmask_org = READ_CHIP_REG32(0, phbbmu->iop2drv_doorbell_mask)
290                                                             & (~ARCMSR_IOP2DRV_MESSAGE_CMD_DONE); /* disable outbound message0 int */
291                               WRITE_CHIP_REG32(0, phbbmu->iop2drv_doorbell_mask, 0); /* disable all interrupt */
292                     }
293                     break;
294           case ACB_ADAPTER_TYPE_C: {
295                               /* disable all outbound interrupt */
296                               intmask_org = CHIP_REG_READ32(HBC_MessageUnit, 0, host_int_mask)      ; /* disable outbound message0 int */
297                               CHIP_REG_WRITE32(HBC_MessageUnit, 0, host_int_mask, intmask_org|ARCMSR_HBCMU_ALL_INTMASKENABLE);
298                     }
299                     break;
300           case ACB_ADAPTER_TYPE_D: {
301                               /* disable all outbound interrupt */
302                               intmask_org = CHIP_REG_READ32(HBD_MessageUnit, 0, pcief0_int_enable)  ; /* disable outbound message0 int */
303                               CHIP_REG_WRITE32(HBD_MessageUnit, 0, pcief0_int_enable, ARCMSR_HBDMU_ALL_INT_DISABLE);
304                     }
305                     break;
306           case ACB_ADAPTER_TYPE_E: {
307                               /* disable all outbound interrupt */
308                               intmask_org = CHIP_REG_READ32(HBC_MessageUnit, 0, host_int_mask)      ; /* disable outbound message0 int */
309                               CHIP_REG_WRITE32(HBE_MessageUnit, 0, host_int_mask, intmask_org | ARCMSR_HBEMU_ALL_INTMASKENABLE);
310                     }
311                     break;
312           }
313           return (intmask_org);
314 }
315 /*
316 **********************************************************************
317 **********************************************************************
318 */
arcmsr_enable_allintr(struct AdapterControlBlock * acb,u_int32_t intmask_org)319 static void arcmsr_enable_allintr( struct AdapterControlBlock *acb, u_int32_t intmask_org)
320 {
321           u_int32_t mask;
322 
323           switch (acb->adapter_type) {
324           case ACB_ADAPTER_TYPE_A: {
325                               /* enable outbound Post Queue, outbound doorbell Interrupt */
326                               mask = ~(ARCMSR_MU_OUTBOUND_POSTQUEUE_INTMASKENABLE|ARCMSR_MU_OUTBOUND_DOORBELL_INTMASKENABLE|ARCMSR_MU_OUTBOUND_MESSAGE0_INTMASKENABLE);
327                               CHIP_REG_WRITE32(HBA_MessageUnit, 0, outbound_intmask, intmask_org & mask);
328                               acb->outbound_int_enable = ~(intmask_org & mask) & 0x000000ff;
329                     }
330                     break;
331           case ACB_ADAPTER_TYPE_B: {
332                               struct HBB_MessageUnit *phbbmu = (struct HBB_MessageUnit *)acb->pmu;
333                               /* enable ARCMSR_IOP2DRV_MESSAGE_CMD_DONE */
334                               mask = (ARCMSR_IOP2DRV_DATA_WRITE_OK|ARCMSR_IOP2DRV_DATA_READ_OK|ARCMSR_IOP2DRV_CDB_DONE|ARCMSR_IOP2DRV_MESSAGE_CMD_DONE);
335                               WRITE_CHIP_REG32(0, phbbmu->iop2drv_doorbell_mask, intmask_org | mask); /*1=interrupt enable, 0=interrupt disable*/
336                               acb->outbound_int_enable = (intmask_org | mask) & 0x0000000f;
337                     }
338                     break;
339           case ACB_ADAPTER_TYPE_C: {
340                               /* enable outbound Post Queue, outbound doorbell Interrupt */
341                               mask = ~(ARCMSR_HBCMU_UTILITY_A_ISR_MASK | ARCMSR_HBCMU_OUTBOUND_DOORBELL_ISR_MASK | ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR_MASK);
342                               CHIP_REG_WRITE32(HBC_MessageUnit, 0, host_int_mask, intmask_org & mask);
343                               acb->outbound_int_enable = ~(intmask_org & mask) & 0x0000000f;
344                     }
345                     break;
346           case ACB_ADAPTER_TYPE_D: {
347                               /* enable outbound Post Queue, outbound doorbell Interrupt */
348                               mask = ARCMSR_HBDMU_ALL_INT_ENABLE;
349                               CHIP_REG_WRITE32(HBD_MessageUnit, 0, pcief0_int_enable, intmask_org | mask);
350                               CHIP_REG_READ32(HBD_MessageUnit, 0, pcief0_int_enable);
351                               acb->outbound_int_enable = mask;
352                     }
353                     break;
354           case ACB_ADAPTER_TYPE_E: {
355                               /* enable outbound Post Queue, outbound doorbell Interrupt */
356                               mask = ~(ARCMSR_HBEMU_OUTBOUND_DOORBELL_ISR | ARCMSR_HBEMU_OUTBOUND_POSTQUEUE_ISR);
357                               CHIP_REG_WRITE32(HBE_MessageUnit, 0, host_int_mask, intmask_org & mask);
358                               acb->outbound_int_enable = ~(intmask_org & mask) & 0x0000000f;
359                     }
360                     break;
361           }
362 }
363 /*
364 **********************************************************************
365 **********************************************************************
366 */
arcmsr_hba_wait_msgint_ready(struct AdapterControlBlock * acb)367 static u_int8_t arcmsr_hba_wait_msgint_ready(struct AdapterControlBlock *acb)
368 {
369           u_int32_t Index;
370           u_int8_t Retries = 0x00;
371 
372           do {
373                     for(Index=0; Index < 100; Index++) {
374                               if(CHIP_REG_READ32(HBA_MessageUnit, 0, outbound_intstatus) & ARCMSR_MU_OUTBOUND_MESSAGE0_INT) {
375                                         CHIP_REG_WRITE32(HBA_MessageUnit, 0, outbound_intstatus, ARCMSR_MU_OUTBOUND_MESSAGE0_INT);/*clear interrupt*/
376                                         return TRUE;
377                               }
378                               UDELAY(10000);
379                     }/*max 1 seconds*/
380           }while(Retries++ < 20);/*max 20 sec*/
381           return (FALSE);
382 }
383 /*
384 **********************************************************************
385 **********************************************************************
386 */
arcmsr_hbb_wait_msgint_ready(struct AdapterControlBlock * acb)387 static u_int8_t arcmsr_hbb_wait_msgint_ready(struct AdapterControlBlock *acb)
388 {
389           u_int32_t Index;
390           u_int8_t Retries = 0x00;
391           struct HBB_MessageUnit *phbbmu = (struct HBB_MessageUnit *)acb->pmu;
392 
393           do {
394                     for(Index=0; Index < 100; Index++) {
395                               if(READ_CHIP_REG32(0, phbbmu->iop2drv_doorbell) & ARCMSR_IOP2DRV_MESSAGE_CMD_DONE) {
396                                         WRITE_CHIP_REG32(0, phbbmu->iop2drv_doorbell, ARCMSR_MESSAGE_INT_CLEAR_PATTERN);/*clear interrupt*/
397                                         WRITE_CHIP_REG32(0, phbbmu->drv2iop_doorbell, ARCMSR_DRV2IOP_END_OF_INTERRUPT);
398                                         return TRUE;
399                               }
400                               UDELAY(10000);
401                     }/*max 1 seconds*/
402           }while(Retries++ < 20);/*max 20 sec*/
403           return (FALSE);
404 }
405 /*
406 **********************************************************************
407 **********************************************************************
408 */
arcmsr_hbc_wait_msgint_ready(struct AdapterControlBlock * acb)409 static u_int8_t arcmsr_hbc_wait_msgint_ready(struct AdapterControlBlock *acb)
410 {
411           u_int32_t Index;
412           u_int8_t Retries = 0x00;
413 
414           do {
415                     for(Index=0; Index < 100; Index++) {
416                               if(CHIP_REG_READ32(HBC_MessageUnit, 0, outbound_doorbell) & ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE) {
417                                         CHIP_REG_WRITE32(HBC_MessageUnit, 0, outbound_doorbell_clear, ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR);/*clear interrupt*/
418                                         return TRUE;
419                               }
420                               UDELAY(10000);
421                     }/*max 1 seconds*/
422           }while(Retries++ < 20);/*max 20 sec*/
423           return (FALSE);
424 }
425 /*
426 **********************************************************************
427 **********************************************************************
428 */
arcmsr_hbd_wait_msgint_ready(struct AdapterControlBlock * acb)429 static u_int8_t arcmsr_hbd_wait_msgint_ready(struct AdapterControlBlock *acb)
430 {
431           u_int32_t Index;
432           u_int8_t Retries = 0x00;
433 
434           do {
435                     for(Index=0; Index < 100; Index++) {
436                               if(CHIP_REG_READ32(HBD_MessageUnit, 0, outbound_doorbell) & ARCMSR_HBDMU_IOP2DRV_MESSAGE_CMD_DONE) {
437                                         CHIP_REG_WRITE32(HBD_MessageUnit, 0, outbound_doorbell, ARCMSR_HBDMU_IOP2DRV_MESSAGE_CMD_DONE_CLEAR);/*clear interrupt*/
438                                         return TRUE;
439                               }
440                               UDELAY(10000);
441                     }/*max 1 seconds*/
442           }while(Retries++ < 20);/*max 20 sec*/
443           return (FALSE);
444 }
445 /*
446 **********************************************************************
447 **********************************************************************
448 */
arcmsr_hbe_wait_msgint_ready(struct AdapterControlBlock * acb)449 static u_int8_t arcmsr_hbe_wait_msgint_ready(struct AdapterControlBlock *acb)
450 {
451           u_int32_t Index, read_doorbell;
452           u_int8_t Retries = 0x00;
453 
454           do {
455                     for(Index=0; Index < 100; Index++) {
456                               read_doorbell = CHIP_REG_READ32(HBE_MessageUnit, 0, iobound_doorbell);
457                               if((read_doorbell ^ acb->in_doorbell) & ARCMSR_HBEMU_IOP2DRV_MESSAGE_CMD_DONE) {
458                                         CHIP_REG_WRITE32(HBE_MessageUnit, 0, host_int_status, 0);/*clear interrupt*/
459                                         acb->in_doorbell = read_doorbell;
460                                         return TRUE;
461                               }
462                               UDELAY(10000);
463                     }/*max 1 seconds*/
464           }while(Retries++ < 20);/*max 20 sec*/
465           return (FALSE);
466 }
467 /*
468 ************************************************************************
469 ************************************************************************
470 */
arcmsr_flush_hba_cache(struct AdapterControlBlock * acb)471 static void arcmsr_flush_hba_cache(struct AdapterControlBlock *acb)
472 {
473           int retry_count = 30;/* enlarge wait flush adapter cache time: 10 minute */
474 
475           CHIP_REG_WRITE32(HBA_MessageUnit, 0, inbound_msgaddr0, ARCMSR_INBOUND_MESG0_FLUSH_CACHE);
476           do {
477                     if(arcmsr_hba_wait_msgint_ready(acb)) {
478                               break;
479                     } else {
480                               retry_count--;
481                     }
482           }while(retry_count != 0);
483 }
484 /*
485 ************************************************************************
486 ************************************************************************
487 */
arcmsr_flush_hbb_cache(struct AdapterControlBlock * acb)488 static void arcmsr_flush_hbb_cache(struct AdapterControlBlock *acb)
489 {
490           int retry_count = 30;/* enlarge wait flush adapter cache time: 10 minute */
491           struct HBB_MessageUnit *phbbmu = (struct HBB_MessageUnit *)acb->pmu;
492 
493           WRITE_CHIP_REG32(0, phbbmu->drv2iop_doorbell, ARCMSR_MESSAGE_FLUSH_CACHE);
494           do {
495                     if(arcmsr_hbb_wait_msgint_ready(acb)) {
496                               break;
497                     } else {
498                               retry_count--;
499                     }
500           }while(retry_count != 0);
501 }
502 /*
503 ************************************************************************
504 ************************************************************************
505 */
arcmsr_flush_hbc_cache(struct AdapterControlBlock * acb)506 static void arcmsr_flush_hbc_cache(struct AdapterControlBlock *acb)
507 {
508           int retry_count = 30;/* enlarge wait flush adapter cache time: 10 minute */
509 
510           CHIP_REG_WRITE32(HBC_MessageUnit, 0, inbound_msgaddr0, ARCMSR_INBOUND_MESG0_FLUSH_CACHE);
511           CHIP_REG_WRITE32(HBC_MessageUnit, 0, inbound_doorbell, ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE);
512           do {
513                     if(arcmsr_hbc_wait_msgint_ready(acb)) {
514                               break;
515                     } else {
516                               retry_count--;
517                     }
518           }while(retry_count != 0);
519 }
520 /*
521 ************************************************************************
522 ************************************************************************
523 */
arcmsr_flush_hbd_cache(struct AdapterControlBlock * acb)524 static void arcmsr_flush_hbd_cache(struct AdapterControlBlock *acb)
525 {
526           int retry_count = 30; /* enlarge wait flush adapter cache time: 10 minute */
527 
528           CHIP_REG_WRITE32(HBD_MessageUnit, 0, inbound_msgaddr0, ARCMSR_INBOUND_MESG0_FLUSH_CACHE);
529           do {
530                     if(arcmsr_hbd_wait_msgint_ready(acb)) {
531                               break;
532                     } else {
533                               retry_count--;
534                     }
535           }while(retry_count != 0);
536 }
537 /*
538 ************************************************************************
539 ************************************************************************
540 */
arcmsr_flush_hbe_cache(struct AdapterControlBlock * acb)541 static void arcmsr_flush_hbe_cache(struct AdapterControlBlock *acb)
542 {
543           int retry_count = 30;/* enlarge wait flush adapter cache time: 10 minute */
544 
545           CHIP_REG_WRITE32(HBE_MessageUnit, 0, inbound_msgaddr0, ARCMSR_INBOUND_MESG0_FLUSH_CACHE);
546           acb->out_doorbell ^= ARCMSR_HBEMU_DRV2IOP_MESSAGE_CMD_DONE;
547           CHIP_REG_WRITE32(HBE_MessageUnit, 0, iobound_doorbell, acb->out_doorbell);
548           do {
549                     if(arcmsr_hbe_wait_msgint_ready(acb)) {
550                               break;
551                     } else {
552                               retry_count--;
553                     }
554           }while(retry_count != 0);
555 }
556 /*
557 ************************************************************************
558 ************************************************************************
559 */
arcmsr_flush_adapter_cache(struct AdapterControlBlock * acb)560 static void arcmsr_flush_adapter_cache(struct AdapterControlBlock *acb)
561 {
562           switch (acb->adapter_type) {
563           case ACB_ADAPTER_TYPE_A: {
564                               arcmsr_flush_hba_cache(acb);
565                     }
566                     break;
567           case ACB_ADAPTER_TYPE_B: {
568                               arcmsr_flush_hbb_cache(acb);
569                     }
570                     break;
571           case ACB_ADAPTER_TYPE_C: {
572                               arcmsr_flush_hbc_cache(acb);
573                     }
574                     break;
575           case ACB_ADAPTER_TYPE_D: {
576                               arcmsr_flush_hbd_cache(acb);
577                     }
578                     break;
579           case ACB_ADAPTER_TYPE_E: {
580                               arcmsr_flush_hbe_cache(acb);
581                     }
582                     break;
583           }
584 }
585 /*
586 *******************************************************************************
587 *******************************************************************************
588 */
arcmsr_suspend(device_t dev)589 static int arcmsr_suspend(device_t dev)
590 {
591           struct AdapterControlBlock    *acb = device_get_softc(dev);
592 
593           /* flush controller */
594           arcmsr_iop_parking(acb);
595           /* disable all outbound interrupt */
596           arcmsr_disable_allintr(acb);
597           return(0);
598 }
599 /*
600 *******************************************************************************
601 *******************************************************************************
602 */
arcmsr_resume(device_t dev)603 static int arcmsr_resume(device_t dev)
604 {
605           struct AdapterControlBlock    *acb = device_get_softc(dev);
606 
607           arcmsr_iop_init(acb);
608           return(0);
609 }
610 /*
611 **********************************************************************
612 **********************************************************************
613 */
arcmsr_report_sense_info(struct CommandControlBlock * srb)614 static void arcmsr_report_sense_info(struct CommandControlBlock *srb)
615 {
616           union ccb *pccb = srb->pccb;
617 
618           pccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR;
619           pccb->csio.scsi_status = SCSI_STATUS_CHECK_COND;
620           if(pccb->csio.sense_len) {
621                     memset(&pccb->csio.sense_data, 0, sizeof(pccb->csio.sense_data));
622                     memcpy(&pccb->csio.sense_data, srb->arcmsr_cdb.SenseData,
623                     get_min(sizeof(struct SENSE_DATA), sizeof(pccb->csio.sense_data)));
624                     ((u_int8_t *)&pccb->csio.sense_data)[0] = (0x1 << 7 | 0x70); /* Valid,ErrorCode */
625                     pccb->ccb_h.status |= CAM_AUTOSNS_VALID;
626           }
627 }
628 /*
629 *********************************************************************
630 *********************************************************************
631 */
arcmsr_abort_hba_allcmd(struct AdapterControlBlock * acb)632 static void arcmsr_abort_hba_allcmd(struct AdapterControlBlock *acb)
633 {
634           CHIP_REG_WRITE32(HBA_MessageUnit, 0, inbound_msgaddr0, ARCMSR_INBOUND_MESG0_ABORT_CMD);
635           if(!arcmsr_hba_wait_msgint_ready(acb)) {
636                     kprintf("arcmsr%d: wait 'abort all outstanding command' timeout \n", acb->pci_unit);
637           }
638 }
639 /*
640 *********************************************************************
641 *********************************************************************
642 */
arcmsr_abort_hbb_allcmd(struct AdapterControlBlock * acb)643 static void arcmsr_abort_hbb_allcmd(struct AdapterControlBlock *acb)
644 {
645           struct HBB_MessageUnit *phbbmu = (struct HBB_MessageUnit *)acb->pmu;
646           WRITE_CHIP_REG32(0, phbbmu->drv2iop_doorbell, ARCMSR_MESSAGE_ABORT_CMD);
647           if(!arcmsr_hbb_wait_msgint_ready(acb)) {
648                     kprintf("arcmsr%d: wait 'abort all outstanding command' timeout \n", acb->pci_unit);
649           }
650 }
651 /*
652 *********************************************************************
653 *********************************************************************
654 */
arcmsr_abort_hbc_allcmd(struct AdapterControlBlock * acb)655 static void arcmsr_abort_hbc_allcmd(struct AdapterControlBlock *acb)
656 {
657           CHIP_REG_WRITE32(HBC_MessageUnit, 0, inbound_msgaddr0, ARCMSR_INBOUND_MESG0_ABORT_CMD);
658           CHIP_REG_WRITE32(HBC_MessageUnit, 0, inbound_doorbell, ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE);
659           if(!arcmsr_hbc_wait_msgint_ready(acb)) {
660                     kprintf("arcmsr%d: wait 'abort all outstanding command' timeout \n", acb->pci_unit);
661           }
662 }
663 /*
664 *********************************************************************
665 *********************************************************************
666 */
arcmsr_abort_hbd_allcmd(struct AdapterControlBlock * acb)667 static void arcmsr_abort_hbd_allcmd(struct AdapterControlBlock *acb)
668 {
669           CHIP_REG_WRITE32(HBD_MessageUnit, 0, inbound_msgaddr0, ARCMSR_INBOUND_MESG0_ABORT_CMD);
670           if(!arcmsr_hbd_wait_msgint_ready(acb)) {
671                     kprintf("arcmsr%d: wait 'abort all outstanding command' timeout \n", acb->pci_unit);
672           }
673 }
674 /*
675 *********************************************************************
676 *********************************************************************
677 */
arcmsr_abort_hbe_allcmd(struct AdapterControlBlock * acb)678 static void arcmsr_abort_hbe_allcmd(struct AdapterControlBlock *acb)
679 {
680           CHIP_REG_WRITE32(HBE_MessageUnit, 0, inbound_msgaddr0, ARCMSR_INBOUND_MESG0_ABORT_CMD);
681           acb->out_doorbell ^= ARCMSR_HBEMU_DRV2IOP_MESSAGE_CMD_DONE;
682           CHIP_REG_WRITE32(HBE_MessageUnit, 0, iobound_doorbell, acb->out_doorbell);
683           if(!arcmsr_hbe_wait_msgint_ready(acb)) {
684                     kprintf("arcmsr%d: wait 'abort all outstanding command' timeout \n", acb->pci_unit);
685           }
686 }
687 /*
688 *********************************************************************
689 *********************************************************************
690 */
arcmsr_abort_allcmd(struct AdapterControlBlock * acb)691 static void arcmsr_abort_allcmd(struct AdapterControlBlock *acb)
692 {
693           switch (acb->adapter_type) {
694           case ACB_ADAPTER_TYPE_A: {
695                               arcmsr_abort_hba_allcmd(acb);
696                     }
697                     break;
698           case ACB_ADAPTER_TYPE_B: {
699                               arcmsr_abort_hbb_allcmd(acb);
700                     }
701                     break;
702           case ACB_ADAPTER_TYPE_C: {
703                               arcmsr_abort_hbc_allcmd(acb);
704                     }
705                     break;
706           case ACB_ADAPTER_TYPE_D: {
707                               arcmsr_abort_hbd_allcmd(acb);
708                     }
709                     break;
710           case ACB_ADAPTER_TYPE_E: {
711                               arcmsr_abort_hbe_allcmd(acb);
712                     }
713                     break;
714           }
715 }
716 /*
717 **********************************************************************
718 **********************************************************************
719 */
arcmsr_srb_complete(struct CommandControlBlock * srb,int stand_flag)720 static void arcmsr_srb_complete(struct CommandControlBlock *srb, int stand_flag)
721 {
722           struct AdapterControlBlock *acb = srb->acb;
723           union ccb *pccb = srb->pccb;
724 
725           if(srb->srb_flags & SRB_FLAG_TIMER_START)
726                     callout_stop(&srb->ccb_callout);
727           if((pccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
728                     bus_dmasync_op_t op;
729 
730                     if((pccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
731                               op = BUS_DMASYNC_POSTREAD;
732                     } else {
733                               op = BUS_DMASYNC_POSTWRITE;
734                     }
735                     bus_dmamap_sync(acb->dm_segs_dmat, srb->dm_segs_dmamap, op);
736                     ARCMSR_LOCK_ACQUIRE(&acb->io_lock);
737                     bus_dmamap_unload(acb->dm_segs_dmat, srb->dm_segs_dmamap);
738                     ARCMSR_LOCK_RELEASE(&acb->io_lock);
739           }
740           if(stand_flag == 1) {
741                     atomic_subtract_int(&acb->srboutstandingcount, 1);
742                     if((acb->acb_flags & ACB_F_CAM_DEV_QFRZN) && (
743                     acb->srboutstandingcount < (acb->maxOutstanding -10))) {
744                               acb->acb_flags &= ~ACB_F_CAM_DEV_QFRZN;
745                               pccb->ccb_h.status |= CAM_RELEASE_SIMQ;
746                     }
747           }
748           if(srb->srb_state != ARCMSR_SRB_TIMEOUT)
749                     arcmsr_free_srb(srb);
750           acb->pktReturnCount++;
751           ARCMSR_LOCK_ACQUIRE(&acb->sim_lock);
752           xpt_done(pccb);
753           ARCMSR_LOCK_RELEASE(&acb->sim_lock);
754 }
755 /*
756 **************************************************************************
757 **************************************************************************
758 */
arcmsr_report_srb_state(struct AdapterControlBlock * acb,struct CommandControlBlock * srb,u_int16_t error)759 static void arcmsr_report_srb_state(struct AdapterControlBlock *acb, struct CommandControlBlock *srb, u_int16_t error)
760 {
761           int target, lun;
762 
763           target = srb->pccb->ccb_h.target_id;
764           lun = srb->pccb->ccb_h.target_lun;
765           if(error == FALSE) {
766                     if(acb->devstate[target][lun] == ARECA_RAID_GONE) {
767                               acb->devstate[target][lun] = ARECA_RAID_GOOD;
768                     }
769                     srb->pccb->ccb_h.status |= CAM_REQ_CMP;
770                     arcmsr_srb_complete(srb, 1);
771           } else {
772                     switch(srb->arcmsr_cdb.DeviceStatus) {
773                     case ARCMSR_DEV_SELECT_TIMEOUT: {
774                                         if(acb->devstate[target][lun] == ARECA_RAID_GOOD) {
775                                                   kprintf( "arcmsr%d: Target=%x, Lun=%x, selection timeout, raid volume was lost\n", acb->pci_unit, target, lun);
776                                         }
777                                         acb->devstate[target][lun] = ARECA_RAID_GONE;
778                                         srb->pccb->ccb_h.status |= CAM_DEV_NOT_THERE;
779                                         arcmsr_srb_complete(srb, 1);
780                               }
781                               break;
782                     case ARCMSR_DEV_ABORTED:
783                     case ARCMSR_DEV_INIT_FAIL: {
784                                         acb->devstate[target][lun] = ARECA_RAID_GONE;
785                                         srb->pccb->ccb_h.status |= CAM_DEV_NOT_THERE;
786                                         arcmsr_srb_complete(srb, 1);
787                               }
788                               break;
789                     case SCSISTAT_CHECK_CONDITION: {
790                                         acb->devstate[target][lun] = ARECA_RAID_GOOD;
791                                         arcmsr_report_sense_info(srb);
792                                         arcmsr_srb_complete(srb, 1);
793                               }
794                               break;
795                     default:
796                               kprintf("arcmsr%d: scsi id=%d lun=%d isr got command error done,but got unknown DeviceStatus=0x%x \n"
797                                                   , acb->pci_unit, target, lun ,srb->arcmsr_cdb.DeviceStatus);
798                               acb->devstate[target][lun] = ARECA_RAID_GONE;
799                               srb->pccb->ccb_h.status |= CAM_UNCOR_PARITY;
800                               /*unknown error or crc error just for retry*/
801                               arcmsr_srb_complete(srb, 1);
802                               break;
803                     }
804           }
805 }
806 /*
807 **************************************************************************
808 **************************************************************************
809 */
arcmsr_drain_donequeue(struct AdapterControlBlock * acb,u_int32_t flag_srb,u_int16_t error)810 static void arcmsr_drain_donequeue(struct AdapterControlBlock *acb, u_int32_t flag_srb, u_int16_t error)
811 {
812           struct CommandControlBlock *srb;
813 
814           /* check if command done with no error*/
815           switch (acb->adapter_type) {
816           case ACB_ADAPTER_TYPE_C:
817           case ACB_ADAPTER_TYPE_D:
818                     srb = (struct CommandControlBlock *)(acb->vir2phy_offset+(flag_srb & 0xFFFFFFE0)); /*frame must be 32 bytes aligned*/
819                     break;
820           case ACB_ADAPTER_TYPE_E:
821                     srb = acb->psrb_pool[flag_srb];
822                     break;
823           case ACB_ADAPTER_TYPE_A:
824           case ACB_ADAPTER_TYPE_B:
825           default:
826                     srb = (struct CommandControlBlock *)(acb->vir2phy_offset+(flag_srb << 5));/*frame must be 32 bytes aligned*/
827                     break;
828           }
829           if((srb->acb != acb) || (srb->srb_state != ARCMSR_SRB_START)) {
830                     if(srb->srb_state == ARCMSR_SRB_TIMEOUT) {
831                               arcmsr_free_srb(srb);
832                               kprintf("arcmsr%d: srb='%p' return srb has been timeouted\n", acb->pci_unit, srb);
833                               return;
834                     }
835                     kprintf("arcmsr%d: return srb has been completed\n"
836                               "srb='%p' srb_state=0x%x outstanding srb count=%d \n",
837                               acb->pci_unit, srb, srb->srb_state, acb->srboutstandingcount);
838                     return;
839           }
840           arcmsr_report_srb_state(acb, srb, error);
841 }
842 /*
843 **************************************************************************
844 **************************************************************************
845 */
arcmsr_srb_timeout(void * arg)846 static void         arcmsr_srb_timeout(void *arg)
847 {
848           struct CommandControlBlock *srb = (struct CommandControlBlock *)arg;
849           struct AdapterControlBlock *acb;
850           int target, lun;
851           u_int8_t cmd;
852 
853           target = srb->pccb->ccb_h.target_id;
854           lun = srb->pccb->ccb_h.target_lun;
855           acb = srb->acb;
856           if(srb->srb_state == ARCMSR_SRB_START)
857           {
858                     cmd = srb->pccb->csio.cdb_io.cdb_bytes[0];
859                     srb->srb_state = ARCMSR_SRB_TIMEOUT;
860                     srb->pccb->ccb_h.status |= CAM_CMD_TIMEOUT;
861                     arcmsr_srb_complete(srb, 1);
862                     kprintf("arcmsr%d: scsi id %d lun %d cmd=0x%x srb='%p' ccb command time out!\n",
863                                          acb->pci_unit, target, lun, cmd, srb);
864           }
865 #ifdef ARCMSR_DEBUG1
866           arcmsr_dump_data(acb);
867 #endif
868 }
869 
870 /*
871 **********************************************************************
872 **********************************************************************
873 */
arcmsr_done4abort_postqueue(struct AdapterControlBlock * acb)874 static void arcmsr_done4abort_postqueue(struct AdapterControlBlock *acb)
875 {
876           int i=0;
877           u_int32_t flag_srb;
878           u_int16_t error;
879 
880           switch (acb->adapter_type) {
881           case ACB_ADAPTER_TYPE_A: {
882                               u_int32_t outbound_intstatus;
883 
884                               /*clear and abort all outbound posted Q*/
885                               outbound_intstatus = CHIP_REG_READ32(HBA_MessageUnit, 0, outbound_intstatus) & acb->outbound_int_enable;
886                               CHIP_REG_WRITE32(HBA_MessageUnit, 0, outbound_intstatus, outbound_intstatus);/*clear interrupt*/
887                               while(((flag_srb=CHIP_REG_READ32(HBA_MessageUnit, 0, outbound_queueport)) != 0xFFFFFFFF) && (i++ < ARCMSR_MAX_OUTSTANDING_CMD)) {
888                                         error = (flag_srb & ARCMSR_SRBREPLY_FLAG_ERROR_MODE0)?TRUE:FALSE;
889                                         arcmsr_drain_donequeue(acb, flag_srb, error);
890                               }
891                     }
892                     break;
893           case ACB_ADAPTER_TYPE_B: {
894                               struct HBB_MessageUnit *phbbmu=(struct HBB_MessageUnit *)acb->pmu;
895 
896                               /*clear all outbound posted Q*/
897                               WRITE_CHIP_REG32(0, phbbmu->iop2drv_doorbell, ARCMSR_DOORBELL_INT_CLEAR_PATTERN); /* clear doorbell interrupt */
898                               for(i=0; i < ARCMSR_MAX_HBB_POSTQUEUE; i++) {
899                                         if((flag_srb = phbbmu->done_qbuffer[i]) != 0) {
900                                                   phbbmu->done_qbuffer[i] = 0;
901                                                   error = (flag_srb & ARCMSR_SRBREPLY_FLAG_ERROR_MODE0)?TRUE:FALSE;
902                                                   arcmsr_drain_donequeue(acb, flag_srb, error);
903                                         }
904                                         phbbmu->post_qbuffer[i] = 0;
905                               }/*drain reply FIFO*/
906                               phbbmu->doneq_index = 0;
907                               phbbmu->postq_index = 0;
908                     }
909                     break;
910           case ACB_ADAPTER_TYPE_C: {
911 
912                               while((CHIP_REG_READ32(HBC_MessageUnit, 0, host_int_status) & ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR) && (i++ < ARCMSR_MAX_OUTSTANDING_CMD)) {
913                                         flag_srb = CHIP_REG_READ32(HBC_MessageUnit, 0, outbound_queueport_low);
914                                         error = (flag_srb & ARCMSR_SRBREPLY_FLAG_ERROR_MODE1) ? TRUE : FALSE;
915                                         arcmsr_drain_donequeue(acb, flag_srb, error);
916                               }
917                     }
918                     break;
919           case ACB_ADAPTER_TYPE_D: {
920                               arcmsr_hbd_postqueue_isr(acb);
921                     }
922                     break;
923           case ACB_ADAPTER_TYPE_E: {
924                               arcmsr_hbe_postqueue_isr(acb);
925                     }
926                     break;
927           }
928 }
929 /*
930 ****************************************************************************
931 ****************************************************************************
932 */
arcmsr_iop_reset(struct AdapterControlBlock * acb)933 static void arcmsr_iop_reset(struct AdapterControlBlock *acb)
934 {
935           struct CommandControlBlock *srb;
936           u_int32_t intmask_org;
937           u_int32_t i=0;
938 
939           if(acb->srboutstandingcount>0) {
940                     /* disable all outbound interrupt */
941                     intmask_org = arcmsr_disable_allintr(acb);
942                     /*clear and abort all outbound posted Q*/
943                     arcmsr_done4abort_postqueue(acb);
944                     /* talk to iop 331 outstanding command aborted*/
945                     arcmsr_abort_allcmd(acb);
946                     for(i=0; i < ARCMSR_MAX_FREESRB_NUM; i++) {
947                               srb = acb->psrb_pool[i];
948                               if(srb->srb_state == ARCMSR_SRB_START) {
949                                         srb->srb_state = ARCMSR_SRB_ABORTED;
950                                         srb->pccb->ccb_h.status |= CAM_REQ_ABORTED;
951                                         arcmsr_srb_complete(srb, 1);
952                                         kprintf("arcmsr%d: scsi id=%d lun=%jx srb='%p' aborted\n"
953                                                             , acb->pci_unit, srb->pccb->ccb_h.target_id
954                                                             , (uintmax_t)srb->pccb->ccb_h.target_lun, srb);
955                               }
956                     }
957                     /* enable all outbound interrupt */
958                     arcmsr_enable_allintr(acb, intmask_org);
959           }
960           acb->srboutstandingcount = 0;
961           acb->workingsrb_doneindex = 0;
962           acb->workingsrb_startindex = 0;
963           acb->pktRequestCount = 0;
964           acb->pktReturnCount = 0;
965 }
966 /*
967 **********************************************************************
968 **********************************************************************
969 */
arcmsr_build_srb(struct CommandControlBlock * srb,bus_dma_segment_t * dm_segs,u_int32_t nseg)970 static void arcmsr_build_srb(struct CommandControlBlock *srb,
971                     bus_dma_segment_t *dm_segs, u_int32_t nseg)
972 {
973           struct ARCMSR_CDB *arcmsr_cdb = &srb->arcmsr_cdb;
974           u_int8_t *psge = (u_int8_t *)&arcmsr_cdb->u;
975           u_int32_t address_lo, address_hi;
976           union ccb *pccb = srb->pccb;
977           struct ccb_scsiio *pcsio = &pccb->csio;
978           u_int32_t arccdbsize = 0x30;
979 
980           memset(arcmsr_cdb, 0, sizeof(struct ARCMSR_CDB));
981           arcmsr_cdb->Bus = 0;
982           arcmsr_cdb->TargetID = pccb->ccb_h.target_id;
983           arcmsr_cdb->LUN = pccb->ccb_h.target_lun;
984           arcmsr_cdb->Function = 1;
985           arcmsr_cdb->CdbLength = (u_int8_t)pcsio->cdb_len;
986           bcopy(pcsio->cdb_io.cdb_bytes, arcmsr_cdb->Cdb, pcsio->cdb_len);
987           if(nseg != 0) {
988                     struct AdapterControlBlock *acb = srb->acb;
989                     bus_dmasync_op_t op;
990                     u_int32_t length, i, cdb_sgcount = 0;
991 
992                     if((pccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
993                               op = BUS_DMASYNC_PREREAD;
994                     } else {
995                               op = BUS_DMASYNC_PREWRITE;
996                               arcmsr_cdb->Flags |= ARCMSR_CDB_FLAG_WRITE;
997                               srb->srb_flags |= SRB_FLAG_WRITE;
998                     }
999                     bus_dmamap_sync(acb->dm_segs_dmat, srb->dm_segs_dmamap, op);
1000                     for(i=0; i < nseg; i++) {
1001                               /* Get the physical address of the current data pointer */
1002                               length = arcmsr_htole32(dm_segs[i].ds_len);
1003                               address_lo = arcmsr_htole32(dma_addr_lo32(dm_segs[i].ds_addr));
1004                               address_hi = arcmsr_htole32(dma_addr_hi32(dm_segs[i].ds_addr));
1005                               if(address_hi == 0) {
1006                                         struct SG32ENTRY *pdma_sg = (struct SG32ENTRY *)psge;
1007                                         pdma_sg->address = address_lo;
1008                                         pdma_sg->length = length;
1009                                         psge += sizeof(struct SG32ENTRY);
1010                                         arccdbsize += sizeof(struct SG32ENTRY);
1011                               } else {
1012                                         u_int32_t sg64s_size = 0, tmplength = length;
1013 
1014                                         while(1) {
1015                                                   u_int64_t span4G, length0;
1016                                                   struct SG64ENTRY *pdma_sg = (struct SG64ENTRY *)psge;
1017 
1018                                                   span4G = (u_int64_t)address_lo + tmplength;
1019                                                   pdma_sg->addresshigh = address_hi;
1020                                                   pdma_sg->address = address_lo;
1021                                                   if(span4G > 0x100000000) {
1022                                                             /*see if cross 4G boundary*/
1023                                                             length0 = 0x100000000-address_lo;
1024                                                             pdma_sg->length = (u_int32_t)length0 | IS_SG64_ADDR;
1025                                                             address_hi = address_hi+1;
1026                                                             address_lo = 0;
1027                                                             tmplength = tmplength - (u_int32_t)length0;
1028                                                             sg64s_size += sizeof(struct SG64ENTRY);
1029                                                             psge += sizeof(struct SG64ENTRY);
1030                                                             cdb_sgcount++;
1031                                                   } else {
1032                                                             pdma_sg->length = tmplength | IS_SG64_ADDR;
1033                                                             sg64s_size += sizeof(struct SG64ENTRY);
1034                                                             psge += sizeof(struct SG64ENTRY);
1035                                                             break;
1036                                                   }
1037                                         }
1038                                         arccdbsize += sg64s_size;
1039                               }
1040                               cdb_sgcount++;
1041                     }
1042                     arcmsr_cdb->sgcount = (u_int8_t)cdb_sgcount;
1043                     arcmsr_cdb->DataLength = pcsio->dxfer_len;
1044                     if( arccdbsize > 256) {
1045                               arcmsr_cdb->Flags |= ARCMSR_CDB_FLAG_SGL_BSIZE;
1046                     }
1047           } else {
1048                     arcmsr_cdb->DataLength = 0;
1049           }
1050           srb->arc_cdb_size = arccdbsize;
1051           arcmsr_cdb->msgPages = (arccdbsize/256) + ((arccdbsize % 256) ? 1 : 0);
1052 }
1053 /*
1054 **************************************************************************
1055 **************************************************************************
1056 */
arcmsr_post_srb(struct AdapterControlBlock * acb,struct CommandControlBlock * srb)1057 static void arcmsr_post_srb(struct AdapterControlBlock *acb, struct CommandControlBlock *srb)
1058 {
1059           u_int32_t cdb_phyaddr_low = (u_int32_t) srb->cdb_phyaddr_low;
1060           struct ARCMSR_CDB *arcmsr_cdb = (struct ARCMSR_CDB *)&srb->arcmsr_cdb;
1061 
1062           bus_dmamap_sync(acb->srb_dmat, acb->srb_dmamap, (srb->srb_flags & SRB_FLAG_WRITE) ? BUS_DMASYNC_POSTWRITE:BUS_DMASYNC_POSTREAD);
1063           atomic_add_int(&acb->srboutstandingcount, 1);
1064           srb->srb_state = ARCMSR_SRB_START;
1065 
1066           switch (acb->adapter_type) {
1067           case ACB_ADAPTER_TYPE_A: {
1068                               if(arcmsr_cdb->Flags & ARCMSR_CDB_FLAG_SGL_BSIZE) {
1069                                         CHIP_REG_WRITE32(HBA_MessageUnit, 0, inbound_queueport, cdb_phyaddr_low|ARCMSR_SRBPOST_FLAG_SGL_BSIZE);
1070                               } else {
1071                                         CHIP_REG_WRITE32(HBA_MessageUnit, 0, inbound_queueport, cdb_phyaddr_low);
1072                               }
1073                     }
1074                     break;
1075           case ACB_ADAPTER_TYPE_B: {
1076                               struct HBB_MessageUnit *phbbmu = (struct HBB_MessageUnit *)acb->pmu;
1077                               int ending_index, index;
1078 
1079                               index = phbbmu->postq_index;
1080                               ending_index = ((index+1) % ARCMSR_MAX_HBB_POSTQUEUE);
1081                               phbbmu->post_qbuffer[ending_index] = 0;
1082                               if(arcmsr_cdb->Flags & ARCMSR_CDB_FLAG_SGL_BSIZE) {
1083                                         phbbmu->post_qbuffer[index] = cdb_phyaddr_low | ARCMSR_SRBPOST_FLAG_SGL_BSIZE;
1084                               } else {
1085                                         phbbmu->post_qbuffer[index] = cdb_phyaddr_low;
1086                               }
1087                               index++;
1088                               index %= ARCMSR_MAX_HBB_POSTQUEUE;     /*if last index number set it to 0 */
1089                               phbbmu->postq_index = index;
1090                               WRITE_CHIP_REG32(0, phbbmu->drv2iop_doorbell, ARCMSR_DRV2IOP_CDB_POSTED);
1091                     }
1092                     break;
1093           case ACB_ADAPTER_TYPE_C: {
1094                               u_int32_t ccb_post_stamp, arc_cdb_size, cdb_phyaddr_hi32;
1095 
1096                               arc_cdb_size = (srb->arc_cdb_size > 0x300) ? 0x300 : srb->arc_cdb_size;
1097                               ccb_post_stamp = (cdb_phyaddr_low | ((arc_cdb_size-1) >> 6) | 1);
1098                               cdb_phyaddr_hi32 = acb->srb_phyaddr.B.phyadd_high;
1099                               if(cdb_phyaddr_hi32)
1100                               {
1101                                         CHIP_REG_WRITE32(HBC_MessageUnit,0,inbound_queueport_high, cdb_phyaddr_hi32);
1102                                         CHIP_REG_WRITE32(HBC_MessageUnit,0,inbound_queueport_low, ccb_post_stamp);
1103                               }
1104                               else
1105                               {
1106                                         CHIP_REG_WRITE32(HBC_MessageUnit,0,inbound_queueport_low, ccb_post_stamp);
1107                               }
1108                     }
1109                     break;
1110           case ACB_ADAPTER_TYPE_D: {
1111                               struct HBD_MessageUnit0 *phbdmu = (struct HBD_MessageUnit0 *)acb->pmu;
1112                               u_int16_t index_stripped;
1113                               u_int16_t postq_index;
1114                               struct InBound_SRB *pinbound_srb;
1115 
1116                               ARCMSR_LOCK_ACQUIRE(&acb->postDone_lock);
1117                               postq_index = phbdmu->postq_index;
1118                               pinbound_srb = (struct InBound_SRB *)&phbdmu->post_qbuffer[postq_index & 0xFF];
1119                               pinbound_srb->addressHigh = srb->cdb_phyaddr_high;
1120                               pinbound_srb->addressLow = srb->cdb_phyaddr_low;
1121                               pinbound_srb->length = srb->arc_cdb_size >> 2;
1122                               arcmsr_cdb->Context = srb->cdb_phyaddr_low;
1123                               if (postq_index & 0x4000) {
1124                                         index_stripped = postq_index & 0xFF;
1125                                         index_stripped += 1;
1126                                         index_stripped %= ARCMSR_MAX_HBD_POSTQUEUE;
1127                                         phbdmu->postq_index = index_stripped ? (index_stripped | 0x4000) : index_stripped;
1128                               } else {
1129                                         index_stripped = postq_index;
1130                                         index_stripped += 1;
1131                                         index_stripped %= ARCMSR_MAX_HBD_POSTQUEUE;
1132                                         phbdmu->postq_index = index_stripped ? index_stripped : (index_stripped | 0x4000);
1133                               }
1134                               CHIP_REG_WRITE32(HBD_MessageUnit, 0, inboundlist_write_pointer, postq_index);
1135                               ARCMSR_LOCK_RELEASE(&acb->postDone_lock);
1136                     }
1137                     break;
1138           case ACB_ADAPTER_TYPE_E: {
1139                               u_int32_t ccb_post_stamp, arc_cdb_size;
1140 
1141                               arc_cdb_size = (srb->arc_cdb_size > 0x300) ? 0x300 : srb->arc_cdb_size;
1142                               ccb_post_stamp = (srb->smid | ((arc_cdb_size-1) >> 6));
1143                               CHIP_REG_WRITE32(HBE_MessageUnit, 0, inbound_queueport_high, 0);
1144                               CHIP_REG_WRITE32(HBE_MessageUnit, 0, inbound_queueport_low, ccb_post_stamp);
1145           }
1146                     break;
1147           }
1148 }
1149 /*
1150 ************************************************************************
1151 ************************************************************************
1152 */
arcmsr_get_iop_rqbuffer(struct AdapterControlBlock * acb)1153 static struct QBUFFER *arcmsr_get_iop_rqbuffer( struct AdapterControlBlock *acb)
1154 {
1155           struct QBUFFER *qbuffer=NULL;
1156 
1157           switch (acb->adapter_type) {
1158           case ACB_ADAPTER_TYPE_A: {
1159                               struct HBA_MessageUnit *phbamu = (struct HBA_MessageUnit *)acb->pmu;
1160 
1161                               qbuffer = (struct QBUFFER *)&phbamu->message_rbuffer;
1162                     }
1163                     break;
1164           case ACB_ADAPTER_TYPE_B: {
1165                               struct HBB_MessageUnit *phbbmu = (struct HBB_MessageUnit *)acb->pmu;
1166 
1167                               qbuffer = (struct QBUFFER *)&phbbmu->hbb_rwbuffer->message_rbuffer;
1168                     }
1169                     break;
1170           case ACB_ADAPTER_TYPE_C: {
1171                               struct HBC_MessageUnit *phbcmu = (struct HBC_MessageUnit *)acb->pmu;
1172 
1173                               qbuffer = (struct QBUFFER *)&phbcmu->message_rbuffer;
1174                     }
1175                     break;
1176           case ACB_ADAPTER_TYPE_D: {
1177                               struct HBD_MessageUnit0 *phbdmu = (struct HBD_MessageUnit0 *)acb->pmu;
1178 
1179                               qbuffer = (struct QBUFFER *)&phbdmu->phbdmu->message_rbuffer;
1180                     }
1181                     break;
1182           case ACB_ADAPTER_TYPE_E: {
1183                               struct HBE_MessageUnit *phbcmu = (struct HBE_MessageUnit *)acb->pmu;
1184 
1185                               qbuffer = (struct QBUFFER *)&phbcmu->message_rbuffer;
1186                     }
1187                     break;
1188           }
1189           return(qbuffer);
1190 }
1191 /*
1192 ************************************************************************
1193 ************************************************************************
1194 */
arcmsr_get_iop_wqbuffer(struct AdapterControlBlock * acb)1195 static struct QBUFFER *arcmsr_get_iop_wqbuffer( struct AdapterControlBlock *acb)
1196 {
1197           struct QBUFFER *qbuffer = NULL;
1198 
1199           switch (acb->adapter_type) {
1200           case ACB_ADAPTER_TYPE_A: {
1201                               struct HBA_MessageUnit *phbamu = (struct HBA_MessageUnit *)acb->pmu;
1202 
1203                               qbuffer = (struct QBUFFER *)&phbamu->message_wbuffer;
1204                     }
1205                     break;
1206           case ACB_ADAPTER_TYPE_B: {
1207                               struct HBB_MessageUnit *phbbmu = (struct HBB_MessageUnit *)acb->pmu;
1208 
1209                               qbuffer = (struct QBUFFER *)&phbbmu->hbb_rwbuffer->message_wbuffer;
1210                     }
1211                     break;
1212           case ACB_ADAPTER_TYPE_C: {
1213                               struct HBC_MessageUnit *phbcmu = (struct HBC_MessageUnit *)acb->pmu;
1214 
1215                               qbuffer = (struct QBUFFER *)&phbcmu->message_wbuffer;
1216                     }
1217                     break;
1218           case ACB_ADAPTER_TYPE_D: {
1219                               struct HBD_MessageUnit0 *phbdmu = (struct HBD_MessageUnit0 *)acb->pmu;
1220 
1221                               qbuffer = (struct QBUFFER *)&phbdmu->phbdmu->message_wbuffer;
1222                     }
1223                     break;
1224           case ACB_ADAPTER_TYPE_E: {
1225                               struct HBE_MessageUnit *phbcmu = (struct HBE_MessageUnit *)acb->pmu;
1226 
1227                               qbuffer = (struct QBUFFER *)&phbcmu->message_wbuffer;
1228                     }
1229                     break;
1230           }
1231           return(qbuffer);
1232 }
1233 /*
1234 **************************************************************************
1235 **************************************************************************
1236 */
arcmsr_iop_message_read(struct AdapterControlBlock * acb)1237 static void arcmsr_iop_message_read(struct AdapterControlBlock *acb)
1238 {
1239           switch (acb->adapter_type) {
1240           case ACB_ADAPTER_TYPE_A: {
1241                               /* let IOP know data has been read */
1242                               CHIP_REG_WRITE32(HBA_MessageUnit, 0, inbound_doorbell, ARCMSR_INBOUND_DRIVER_DATA_READ_OK);
1243                     }
1244                     break;
1245           case ACB_ADAPTER_TYPE_B: {
1246                               struct HBB_MessageUnit *phbbmu = (struct HBB_MessageUnit *)acb->pmu;
1247                               /* let IOP know data has been read */
1248                               WRITE_CHIP_REG32(0, phbbmu->drv2iop_doorbell, ARCMSR_DRV2IOP_DATA_READ_OK);
1249                     }
1250                     break;
1251           case ACB_ADAPTER_TYPE_C: {
1252                               /* let IOP know data has been read */
1253                               CHIP_REG_WRITE32(HBC_MessageUnit, 0, inbound_doorbell, ARCMSR_HBCMU_DRV2IOP_DATA_READ_OK);
1254                     }
1255                     break;
1256           case ACB_ADAPTER_TYPE_D: {
1257                               /* let IOP know data has been read */
1258                               CHIP_REG_WRITE32(HBD_MessageUnit, 0, inbound_doorbell, ARCMSR_HBDMU_DRV2IOP_DATA_OUT_READ);
1259                     }
1260                     break;
1261           case ACB_ADAPTER_TYPE_E: {
1262                               /* let IOP know data has been read */
1263                               acb->out_doorbell ^= ARCMSR_HBEMU_DRV2IOP_DATA_READ_OK;
1264                               CHIP_REG_WRITE32(HBE_MessageUnit, 0, iobound_doorbell, acb->out_doorbell);
1265                     }
1266                     break;
1267           }
1268 }
1269 /*
1270 **************************************************************************
1271 **************************************************************************
1272 */
arcmsr_iop_message_wrote(struct AdapterControlBlock * acb)1273 static void arcmsr_iop_message_wrote(struct AdapterControlBlock *acb)
1274 {
1275           switch (acb->adapter_type) {
1276           case ACB_ADAPTER_TYPE_A: {
1277                               /*
1278                               ** push inbound doorbell tell iop, driver data write ok
1279                               ** and wait reply on next hwinterrupt for next Qbuffer post
1280                               */
1281                               CHIP_REG_WRITE32(HBA_MessageUnit, 0, inbound_doorbell, ARCMSR_INBOUND_DRIVER_DATA_WRITE_OK);
1282                     }
1283                     break;
1284           case ACB_ADAPTER_TYPE_B: {
1285                               struct HBB_MessageUnit *phbbmu = (struct HBB_MessageUnit *)acb->pmu;
1286                               /*
1287                               ** push inbound doorbell tell iop, driver data write ok
1288                               ** and wait reply on next hwinterrupt for next Qbuffer post
1289                               */
1290                               WRITE_CHIP_REG32(0, phbbmu->drv2iop_doorbell, ARCMSR_DRV2IOP_DATA_WRITE_OK);
1291                     }
1292                     break;
1293           case ACB_ADAPTER_TYPE_C: {
1294                               /*
1295                               ** push inbound doorbell tell iop, driver data write ok
1296                               ** and wait reply on next hwinterrupt for next Qbuffer post
1297                               */
1298                               CHIP_REG_WRITE32(HBC_MessageUnit, 0, inbound_doorbell, ARCMSR_HBCMU_DRV2IOP_DATA_WRITE_OK);
1299                     }
1300                     break;
1301           case ACB_ADAPTER_TYPE_D: {
1302                               /*
1303                               ** push inbound doorbell tell iop, driver data write ok
1304                               ** and wait reply on next hwinterrupt for next Qbuffer post
1305                               */
1306                               CHIP_REG_WRITE32(HBD_MessageUnit, 0, inbound_doorbell, ARCMSR_HBDMU_DRV2IOP_DATA_IN_READY);
1307                     }
1308                     break;
1309           case ACB_ADAPTER_TYPE_E: {
1310                               /*
1311                               ** push inbound doorbell tell iop, driver data write ok
1312                               ** and wait reply on next hwinterrupt for next Qbuffer post
1313                               */
1314                               acb->out_doorbell ^= ARCMSR_HBEMU_DRV2IOP_DATA_WRITE_OK;
1315                               CHIP_REG_WRITE32(HBE_MessageUnit, 0, iobound_doorbell, acb->out_doorbell);
1316                     }
1317                     break;
1318           }
1319 }
1320 /*
1321 ************************************************************************
1322 ************************************************************************
1323 */
arcmsr_stop_hba_bgrb(struct AdapterControlBlock * acb)1324 static void arcmsr_stop_hba_bgrb(struct AdapterControlBlock *acb)
1325 {
1326           acb->acb_flags &= ~ACB_F_MSG_START_BGRB;
1327           CHIP_REG_WRITE32(HBA_MessageUnit,
1328                     0, inbound_msgaddr0, ARCMSR_INBOUND_MESG0_STOP_BGRB);
1329           if(!arcmsr_hba_wait_msgint_ready(acb)) {
1330                     kprintf("arcmsr%d: wait 'stop adapter background rebulid' timeout \n"
1331                               , acb->pci_unit);
1332           }
1333 }
1334 /*
1335 ************************************************************************
1336 ************************************************************************
1337 */
arcmsr_stop_hbb_bgrb(struct AdapterControlBlock * acb)1338 static void arcmsr_stop_hbb_bgrb(struct AdapterControlBlock *acb)
1339 {
1340           struct HBB_MessageUnit *phbbmu = (struct HBB_MessageUnit *)acb->pmu;
1341           acb->acb_flags &= ~ACB_F_MSG_START_BGRB;
1342           WRITE_CHIP_REG32(0, phbbmu->drv2iop_doorbell, ARCMSR_MESSAGE_STOP_BGRB);
1343           if(!arcmsr_hbb_wait_msgint_ready(acb)) {
1344                     kprintf("arcmsr%d: wait 'stop adapter background rebulid' timeout \n"
1345                               , acb->pci_unit);
1346           }
1347 }
1348 /*
1349 ************************************************************************
1350 ************************************************************************
1351 */
arcmsr_stop_hbc_bgrb(struct AdapterControlBlock * acb)1352 static void arcmsr_stop_hbc_bgrb(struct AdapterControlBlock *acb)
1353 {
1354           acb->acb_flags &= ~ACB_F_MSG_START_BGRB;
1355           CHIP_REG_WRITE32(HBC_MessageUnit, 0, inbound_msgaddr0, ARCMSR_INBOUND_MESG0_STOP_BGRB);
1356           CHIP_REG_WRITE32(HBC_MessageUnit, 0, inbound_doorbell,ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE);
1357           if(!arcmsr_hbc_wait_msgint_ready(acb)) {
1358                     kprintf("arcmsr%d: wait 'stop adapter background rebulid' timeout \n", acb->pci_unit);
1359           }
1360 }
1361 /*
1362 ************************************************************************
1363 ************************************************************************
1364 */
arcmsr_stop_hbd_bgrb(struct AdapterControlBlock * acb)1365 static void arcmsr_stop_hbd_bgrb(struct AdapterControlBlock *acb)
1366 {
1367           acb->acb_flags &= ~ACB_F_MSG_START_BGRB;
1368           CHIP_REG_WRITE32(HBD_MessageUnit, 0, inbound_msgaddr0, ARCMSR_INBOUND_MESG0_STOP_BGRB);
1369           if(!arcmsr_hbd_wait_msgint_ready(acb)) {
1370                     kprintf("arcmsr%d: wait 'stop adapter background rebulid' timeout \n", acb->pci_unit);
1371           }
1372 }
1373 /*
1374 ************************************************************************
1375 ************************************************************************
1376 */
arcmsr_stop_hbe_bgrb(struct AdapterControlBlock * acb)1377 static void arcmsr_stop_hbe_bgrb(struct AdapterControlBlock *acb)
1378 {
1379           acb->acb_flags &= ~ACB_F_MSG_START_BGRB;
1380           CHIP_REG_WRITE32(HBE_MessageUnit, 0, inbound_msgaddr0, ARCMSR_INBOUND_MESG0_STOP_BGRB);
1381           acb->out_doorbell ^= ARCMSR_HBEMU_DRV2IOP_MESSAGE_CMD_DONE;
1382           CHIP_REG_WRITE32(HBE_MessageUnit, 0, iobound_doorbell, acb->out_doorbell);
1383           if(!arcmsr_hbe_wait_msgint_ready(acb)) {
1384                     kprintf("arcmsr%d: wait 'stop adapter background rebulid' timeout \n", acb->pci_unit);
1385           }
1386 }
1387 /*
1388 ************************************************************************
1389 ************************************************************************
1390 */
arcmsr_stop_adapter_bgrb(struct AdapterControlBlock * acb)1391 static void arcmsr_stop_adapter_bgrb(struct AdapterControlBlock *acb)
1392 {
1393           switch (acb->adapter_type) {
1394           case ACB_ADAPTER_TYPE_A: {
1395                               arcmsr_stop_hba_bgrb(acb);
1396                     }
1397                     break;
1398           case ACB_ADAPTER_TYPE_B: {
1399                               arcmsr_stop_hbb_bgrb(acb);
1400                     }
1401                     break;
1402           case ACB_ADAPTER_TYPE_C: {
1403                               arcmsr_stop_hbc_bgrb(acb);
1404                     }
1405                     break;
1406           case ACB_ADAPTER_TYPE_D: {
1407                               arcmsr_stop_hbd_bgrb(acb);
1408                     }
1409                     break;
1410           case ACB_ADAPTER_TYPE_E: {
1411                               arcmsr_stop_hbe_bgrb(acb);
1412                     }
1413                     break;
1414           }
1415 }
1416 /*
1417 ************************************************************************
1418 ************************************************************************
1419 */
arcmsr_poll(struct cam_sim * psim)1420 static void arcmsr_poll(struct cam_sim *psim)
1421 {
1422           struct AdapterControlBlock *acb;
1423           int       mutex;
1424 
1425           acb = (struct AdapterControlBlock *)cam_sim_softc(psim);
1426           mutex = lockstatus(&acb->isr_lock, curthread);
1427           if( mutex == 0 )
1428                     ARCMSR_LOCK_ACQUIRE(&acb->isr_lock);
1429           arcmsr_interrupt(acb);
1430           if( mutex == 0 )
1431                     ARCMSR_LOCK_RELEASE(&acb->isr_lock);
1432 }
1433 /*
1434 **************************************************************************
1435 **************************************************************************
1436 */
arcmsr_Read_iop_rqbuffer_data_D(struct AdapterControlBlock * acb,struct QBUFFER * prbuffer)1437 static u_int32_t arcmsr_Read_iop_rqbuffer_data_D(struct AdapterControlBlock *acb,
1438           struct QBUFFER *prbuffer) {
1439 
1440           u_int8_t *pQbuffer;
1441           u_int8_t *buf1 = NULL;
1442           u_int32_t *iop_data, *buf2 = NULL;
1443           u_int32_t iop_len, data_len;
1444 
1445           iop_data = (u_int32_t *)prbuffer->data;
1446           iop_len = (u_int32_t)prbuffer->data_len;
1447           if ( iop_len > 0 )
1448           {
1449                     buf1 = kmalloc(128, M_DEVBUF, M_NOWAIT | M_ZERO);
1450                     buf2 = (u_int32_t *)buf1;
1451                     if( buf1 == NULL)
1452                               return (0);
1453                     data_len = iop_len;
1454                     while(data_len >= 4)
1455                     {
1456                               *buf2++ = *iop_data++;
1457                               data_len -= 4;
1458                     }
1459                     if(data_len)
1460                               *buf2 = *iop_data;
1461                     buf2 = (u_int32_t *)buf1;
1462           }
1463           while (iop_len > 0) {
1464                     pQbuffer = &acb->rqbuffer[acb->rqbuf_lastindex];
1465                     *pQbuffer = *buf1;
1466                     acb->rqbuf_lastindex++;
1467                     /* if last, index number set it to 0 */
1468                     acb->rqbuf_lastindex %= ARCMSR_MAX_QBUFFER;
1469                     buf1++;
1470                     iop_len--;
1471           }
1472           if(buf2)
1473                     kfree( (u_int8_t *)buf2, M_DEVBUF);
1474           /* let IOP know data has been read */
1475           arcmsr_iop_message_read(acb);
1476           return (1);
1477 }
1478 /*
1479 **************************************************************************
1480 **************************************************************************
1481 */
arcmsr_Read_iop_rqbuffer_data(struct AdapterControlBlock * acb,struct QBUFFER * prbuffer)1482 static u_int32_t arcmsr_Read_iop_rqbuffer_data(struct AdapterControlBlock *acb,
1483           struct QBUFFER *prbuffer) {
1484 
1485           u_int8_t *pQbuffer;
1486           u_int8_t *iop_data;
1487           u_int32_t iop_len;
1488 
1489           if(acb->adapter_type >= ACB_ADAPTER_TYPE_B) {
1490                     return(arcmsr_Read_iop_rqbuffer_data_D(acb, prbuffer));
1491           }
1492           iop_data = (u_int8_t *)prbuffer->data;
1493           iop_len = (u_int32_t)prbuffer->data_len;
1494           while (iop_len > 0) {
1495                     pQbuffer = &acb->rqbuffer[acb->rqbuf_lastindex];
1496                     *pQbuffer = *iop_data;
1497                     acb->rqbuf_lastindex++;
1498                     /* if last, index number set it to 0 */
1499                     acb->rqbuf_lastindex %= ARCMSR_MAX_QBUFFER;
1500                     iop_data++;
1501                     iop_len--;
1502           }
1503           /* let IOP know data has been read */
1504           arcmsr_iop_message_read(acb);
1505           return (1);
1506 }
1507 /*
1508 **************************************************************************
1509 **************************************************************************
1510 */
arcmsr_iop2drv_data_wrote_handle(struct AdapterControlBlock * acb)1511 static void arcmsr_iop2drv_data_wrote_handle(struct AdapterControlBlock *acb)
1512 {
1513           struct QBUFFER *prbuffer;
1514           int my_empty_len;
1515 
1516           /*check this iop data if overflow my rqbuffer*/
1517           ARCMSR_LOCK_ACQUIRE(&acb->qbuffer_lock);
1518           prbuffer = arcmsr_get_iop_rqbuffer(acb);
1519           my_empty_len = (acb->rqbuf_lastindex - acb->rqbuf_firstindex - 1) &
1520                     (ARCMSR_MAX_QBUFFER-1);
1521           if(my_empty_len >= prbuffer->data_len) {
1522                     if(arcmsr_Read_iop_rqbuffer_data(acb, prbuffer) == 0)
1523                               acb->acb_flags |= ACB_F_IOPDATA_OVERFLOW;
1524           } else {
1525                     acb->acb_flags |= ACB_F_IOPDATA_OVERFLOW;
1526           }
1527           ARCMSR_LOCK_RELEASE(&acb->qbuffer_lock);
1528 }
1529 /*
1530 **********************************************************************
1531 **********************************************************************
1532 */
arcmsr_Write_data_2iop_wqbuffer_D(struct AdapterControlBlock * acb)1533 static void arcmsr_Write_data_2iop_wqbuffer_D(struct AdapterControlBlock *acb)
1534 {
1535           u_int8_t *pQbuffer;
1536           struct QBUFFER *pwbuffer;
1537           u_int8_t *buf1 = NULL;
1538           u_int32_t *iop_data, *buf2 = NULL;
1539           u_int32_t allxfer_len = 0, data_len;
1540 
1541           if(acb->acb_flags & ACB_F_MESSAGE_WQBUFFER_READ) {
1542                     buf1 = kmalloc(128, M_DEVBUF, M_NOWAIT | M_ZERO);
1543                     buf2 = (u_int32_t *)buf1;
1544                     if( buf1 == NULL)
1545                               return;
1546 
1547                     acb->acb_flags &= (~ACB_F_MESSAGE_WQBUFFER_READ);
1548                     pwbuffer = arcmsr_get_iop_wqbuffer(acb);
1549                     iop_data = (u_int32_t *)pwbuffer->data;
1550                     while((acb->wqbuf_firstindex != acb->wqbuf_lastindex)
1551                               && (allxfer_len < 124)) {
1552                               pQbuffer = &acb->wqbuffer[acb->wqbuf_firstindex];
1553                               *buf1 = *pQbuffer;
1554                               acb->wqbuf_firstindex++;
1555                               acb->wqbuf_firstindex %= ARCMSR_MAX_QBUFFER;
1556                               buf1++;
1557                               allxfer_len++;
1558                     }
1559                     pwbuffer->data_len = allxfer_len;
1560                     data_len = allxfer_len;
1561                     buf1 = (u_int8_t *)buf2;
1562                     while(data_len >= 4)
1563                     {
1564                               *iop_data++ = *buf2++;
1565                               data_len -= 4;
1566                     }
1567                     if(data_len)
1568                               *iop_data = *buf2;
1569                     kfree( buf1, M_DEVBUF);
1570                     arcmsr_iop_message_wrote(acb);
1571           }
1572 }
1573 /*
1574 **********************************************************************
1575 **********************************************************************
1576 */
arcmsr_Write_data_2iop_wqbuffer(struct AdapterControlBlock * acb)1577 static void arcmsr_Write_data_2iop_wqbuffer(struct AdapterControlBlock *acb)
1578 {
1579           u_int8_t *pQbuffer;
1580           struct QBUFFER *pwbuffer;
1581           u_int8_t *iop_data;
1582           int32_t allxfer_len=0;
1583 
1584           if(acb->adapter_type >= ACB_ADAPTER_TYPE_B) {
1585                     arcmsr_Write_data_2iop_wqbuffer_D(acb);
1586                     return;
1587           }
1588           if(acb->acb_flags & ACB_F_MESSAGE_WQBUFFER_READ) {
1589                     acb->acb_flags &= (~ACB_F_MESSAGE_WQBUFFER_READ);
1590                     pwbuffer = arcmsr_get_iop_wqbuffer(acb);
1591                     iop_data = (u_int8_t *)pwbuffer->data;
1592                     while((acb->wqbuf_firstindex != acb->wqbuf_lastindex)
1593                               && (allxfer_len < 124)) {
1594                               pQbuffer = &acb->wqbuffer[acb->wqbuf_firstindex];
1595                               *iop_data = *pQbuffer;
1596                               acb->wqbuf_firstindex++;
1597                               acb->wqbuf_firstindex %= ARCMSR_MAX_QBUFFER;
1598                               iop_data++;
1599                               allxfer_len++;
1600                     }
1601                     pwbuffer->data_len = allxfer_len;
1602                     arcmsr_iop_message_wrote(acb);
1603           }
1604 }
1605 /*
1606 **************************************************************************
1607 **************************************************************************
1608 */
arcmsr_iop2drv_data_read_handle(struct AdapterControlBlock * acb)1609 static void arcmsr_iop2drv_data_read_handle(struct AdapterControlBlock *acb)
1610 {
1611           ARCMSR_LOCK_ACQUIRE(&acb->qbuffer_lock);
1612           acb->acb_flags |= ACB_F_MESSAGE_WQBUFFER_READ;
1613           /*
1614           *****************************************************************
1615           **   check if there are any mail packages from user space program
1616           **   in my post bag, now is the time to send them into Areca's firmware
1617           *****************************************************************
1618           */
1619           if(acb->wqbuf_firstindex != acb->wqbuf_lastindex) {
1620                     arcmsr_Write_data_2iop_wqbuffer(acb);
1621           }
1622           if(acb->wqbuf_firstindex == acb->wqbuf_lastindex) {
1623                     acb->acb_flags |= ACB_F_MESSAGE_WQBUFFER_CLEARED;
1624           }
1625           ARCMSR_LOCK_RELEASE(&acb->qbuffer_lock);
1626 }
1627 /*
1628 **************************************************************************
1629 **************************************************************************
1630 */
arcmsr_rescanLun_cb(struct cam_periph * periph,union ccb * ccb)1631 static void arcmsr_rescanLun_cb(struct cam_periph *periph, union ccb *ccb)
1632 {
1633 /*
1634           if (ccb->ccb_h.status != CAM_REQ_CMP)
1635                     kprintf("arcmsr_rescanLun_cb: Rescan Target=%x, lun=%x,"
1636                               "failure status=%x\n", ccb->ccb_h.target_id,
1637                               ccb->ccb_h.target_lun, ccb->ccb_h.status);
1638           else
1639                     kprintf("arcmsr_rescanLun_cb: Rescan lun successfully!\n");
1640 */
1641           xpt_free_path(ccb->ccb_h.path);
1642           xpt_free_ccb(&ccb->ccb_h);
1643 }
1644 
arcmsr_rescan_lun(struct AdapterControlBlock * acb,int target,int lun)1645 static void         arcmsr_rescan_lun(struct AdapterControlBlock *acb, int target, int lun)
1646 {
1647           struct cam_path     *path;
1648           union ccb           *ccb;
1649 
1650           if ((ccb = (union ccb *)xpt_alloc_ccb()) == NULL)
1651                     return;
1652           if (xpt_create_path(&path, xpt_periph, cam_sim_path(acb->psim), target, lun) != CAM_REQ_CMP)
1653           {
1654                     xpt_free_ccb(&ccb->ccb_h);
1655                     return;
1656           }
1657           xpt_setup_ccb(&ccb->ccb_h, path, 5);
1658           ccb->ccb_h.func_code = XPT_SCAN_LUN;
1659           ccb->ccb_h.cbfcnp = arcmsr_rescanLun_cb;
1660           ccb->crcn.flags = CAM_FLAG_NONE;
1661           xpt_action(ccb);
1662 }
1663 
1664 
arcmsr_abort_dr_ccbs(struct AdapterControlBlock * acb,int target,int lun)1665 static void arcmsr_abort_dr_ccbs(struct AdapterControlBlock *acb, int target, int lun)
1666 {
1667           struct CommandControlBlock *srb;
1668           u_int32_t intmask_org;
1669           int i;
1670 
1671           /* disable all outbound interrupts */
1672           intmask_org = arcmsr_disable_allintr(acb);
1673           for (i = 0; i < ARCMSR_MAX_FREESRB_NUM; i++)
1674           {
1675                     srb = acb->psrb_pool[i];
1676                     if (srb->srb_state == ARCMSR_SRB_START)
1677                     {
1678                               if((target == srb->pccb->ccb_h.target_id) && (lun == srb->pccb->ccb_h.target_lun))
1679                               {
1680                                         srb->srb_state = ARCMSR_SRB_ABORTED;
1681                                         srb->pccb->ccb_h.status |= CAM_REQ_ABORTED;
1682                                         arcmsr_srb_complete(srb, 1);
1683                                         kprintf("arcmsr%d: abort scsi id %d lun %d srb=%p \n", acb->pci_unit, target, lun, srb);
1684                               }
1685                     }
1686           }
1687           /* enable outbound Post Queue, outbound doorbell Interrupt */
1688           arcmsr_enable_allintr(acb, intmask_org);
1689 }
1690 /*
1691 **************************************************************************
1692 **************************************************************************
1693 */
arcmsr_dr_handle(struct AdapterControlBlock * acb)1694 static void arcmsr_dr_handle(struct AdapterControlBlock *acb) {
1695           u_int32_t devicemap;
1696           u_int32_t target, lun;
1697           u_int32_t deviceMapCurrent[4]={0};
1698           u_int8_t  *pDevMap;
1699 
1700           switch (acb->adapter_type) {
1701           case ACB_ADAPTER_TYPE_A:
1702                     devicemap = offsetof(struct HBA_MessageUnit, msgcode_rwbuffer[ARCMSR_FW_DEVMAP_OFFSET]);
1703                     for (target = 0; target < 4; target++)
1704                     {
1705                               deviceMapCurrent[target]=bus_space_read_4(acb->btag[0], acb->bhandle[0],  devicemap);
1706                               devicemap += 4;
1707                     }
1708                     break;
1709 
1710           case ACB_ADAPTER_TYPE_B:
1711                     devicemap = offsetof(struct HBB_RWBUFFER, msgcode_rwbuffer[ARCMSR_FW_DEVMAP_OFFSET]);
1712                     for (target = 0; target < 4; target++)
1713                     {
1714                               deviceMapCurrent[target]=bus_space_read_4(acb->btag[1], acb->bhandle[1],  devicemap);
1715                               devicemap += 4;
1716                     }
1717                     break;
1718 
1719           case ACB_ADAPTER_TYPE_C:
1720                     devicemap = offsetof(struct HBC_MessageUnit, msgcode_rwbuffer[ARCMSR_FW_DEVMAP_OFFSET]);
1721                     for (target = 0; target < 4; target++)
1722                     {
1723                               deviceMapCurrent[target]=bus_space_read_4(acb->btag[0], acb->bhandle[0],  devicemap);
1724                               devicemap += 4;
1725                     }
1726                     break;
1727           case ACB_ADAPTER_TYPE_D:
1728                     devicemap = offsetof(struct HBD_MessageUnit, msgcode_rwbuffer[ARCMSR_FW_DEVMAP_OFFSET]);
1729                     for (target = 0; target < 4; target++)
1730                     {
1731                               deviceMapCurrent[target]=bus_space_read_4(acb->btag[0], acb->bhandle[0],  devicemap);
1732                               devicemap += 4;
1733                     }
1734                     break;
1735           case ACB_ADAPTER_TYPE_E:
1736                     devicemap = offsetof(struct HBE_MessageUnit, msgcode_rwbuffer[ARCMSR_FW_DEVMAP_OFFSET]);
1737                     for (target = 0; target < 4; target++)
1738                     {
1739                               deviceMapCurrent[target]=bus_space_read_4(acb->btag[0], acb->bhandle[0],  devicemap);
1740                               devicemap += 4;
1741                     }
1742                     break;
1743           }
1744 
1745           if(acb->acb_flags & ACB_F_BUS_HANG_ON)
1746           {
1747                     acb->acb_flags &= ~ACB_F_BUS_HANG_ON;
1748           }
1749           /*
1750           ** adapter posted CONFIG message
1751           ** copy the new map, note if there are differences with the current map
1752           */
1753           pDevMap = (u_int8_t *)&deviceMapCurrent[0];
1754           for (target = 0; target < ARCMSR_MAX_TARGETID - 1; target++)
1755           {
1756                     if (*pDevMap != acb->device_map[target])
1757                     {
1758                               u_int8_t difference, bit_check;
1759 
1760                               difference = *pDevMap ^ acb->device_map[target];
1761                               for(lun=0; lun < ARCMSR_MAX_TARGETLUN; lun++)
1762                               {
1763                                         bit_check = (1 << lun);                 /*check bit from 0....31*/
1764                                         if(difference & bit_check)
1765                                         {
1766                                                   if(acb->device_map[target] & bit_check)
1767                                                   {/* unit departed */
1768                                                             kprintf("arcmsr_dr_handle: Target=%x, lun=%x, GONE!!!\n",target,lun);
1769                                                             arcmsr_abort_dr_ccbs(acb, target, lun);
1770                                                             arcmsr_rescan_lun(acb, target, lun);
1771                                                             acb->devstate[target][lun] = ARECA_RAID_GONE;
1772                                                   }
1773                                                   else
1774                                                   {/* unit arrived */
1775                                                             kprintf("arcmsr_dr_handle: Target=%x, lun=%x, Plug-IN!!!\n",target,lun);
1776                                                             arcmsr_rescan_lun(acb, target, lun);
1777                                                             acb->devstate[target][lun] = ARECA_RAID_GOOD;
1778                                                   }
1779                                         }
1780                               }
1781 /*                            kprintf("arcmsr_dr_handle: acb->device_map[%x]=0x%x, deviceMapCurrent[%x]=%x\n",target,acb->device_map[target],target,*pDevMap); */
1782                               acb->device_map[target] = *pDevMap;
1783                     }
1784                     pDevMap++;
1785           }
1786 }
1787 /*
1788 **************************************************************************
1789 **************************************************************************
1790 */
arcmsr_hba_message_isr(struct AdapterControlBlock * acb)1791 static void arcmsr_hba_message_isr(struct AdapterControlBlock *acb) {
1792           u_int32_t outbound_message;
1793 
1794           CHIP_REG_WRITE32(HBA_MessageUnit, 0, outbound_intstatus, ARCMSR_MU_OUTBOUND_MESSAGE0_INT);
1795           outbound_message = CHIP_REG_READ32(HBA_MessageUnit, 0, msgcode_rwbuffer[0]);
1796           if (outbound_message == ARCMSR_SIGNATURE_GET_CONFIG)
1797                     arcmsr_dr_handle( acb );
1798 }
1799 /*
1800 **************************************************************************
1801 **************************************************************************
1802 */
arcmsr_hbb_message_isr(struct AdapterControlBlock * acb)1803 static void arcmsr_hbb_message_isr(struct AdapterControlBlock *acb) {
1804           u_int32_t outbound_message;
1805           struct HBB_MessageUnit *phbbmu = (struct HBB_MessageUnit *)acb->pmu;
1806 
1807           /* clear interrupts */
1808           WRITE_CHIP_REG32(0, phbbmu->iop2drv_doorbell, ARCMSR_MESSAGE_INT_CLEAR_PATTERN);
1809           outbound_message = CHIP_REG_READ32(HBB_RWBUFFER, 1, msgcode_rwbuffer[0]);
1810           if (outbound_message == ARCMSR_SIGNATURE_GET_CONFIG)
1811                     arcmsr_dr_handle( acb );
1812 }
1813 /*
1814 **************************************************************************
1815 **************************************************************************
1816 */
arcmsr_hbc_message_isr(struct AdapterControlBlock * acb)1817 static void arcmsr_hbc_message_isr(struct AdapterControlBlock *acb) {
1818           u_int32_t outbound_message;
1819 
1820           CHIP_REG_WRITE32(HBC_MessageUnit, 0, outbound_doorbell_clear, ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR);
1821           outbound_message = CHIP_REG_READ32(HBC_MessageUnit, 0, msgcode_rwbuffer[0]);
1822           if (outbound_message == ARCMSR_SIGNATURE_GET_CONFIG)
1823                     arcmsr_dr_handle( acb );
1824 }
1825 /*
1826 **************************************************************************
1827 **************************************************************************
1828 */
arcmsr_hbd_message_isr(struct AdapterControlBlock * acb)1829 static void arcmsr_hbd_message_isr(struct AdapterControlBlock *acb) {
1830           u_int32_t outbound_message;
1831 
1832           CHIP_REG_WRITE32(HBD_MessageUnit, 0, outbound_doorbell, ARCMSR_HBDMU_IOP2DRV_MESSAGE_CMD_DONE_CLEAR);
1833           outbound_message = CHIP_REG_READ32(HBD_MessageUnit, 0, msgcode_rwbuffer[0]);
1834           if (outbound_message == ARCMSR_SIGNATURE_GET_CONFIG)
1835                     arcmsr_dr_handle( acb );
1836 }
1837 /*
1838 **************************************************************************
1839 **************************************************************************
1840 */
arcmsr_hbe_message_isr(struct AdapterControlBlock * acb)1841 static void arcmsr_hbe_message_isr(struct AdapterControlBlock *acb) {
1842           u_int32_t outbound_message;
1843 
1844           CHIP_REG_WRITE32(HBE_MessageUnit, 0, host_int_status, 0);
1845           outbound_message = CHIP_REG_READ32(HBE_MessageUnit, 0, msgcode_rwbuffer[0]);
1846           if (outbound_message == ARCMSR_SIGNATURE_GET_CONFIG)
1847                     arcmsr_dr_handle( acb );
1848 }
1849 /*
1850 **************************************************************************
1851 **************************************************************************
1852 */
arcmsr_hba_doorbell_isr(struct AdapterControlBlock * acb)1853 static void arcmsr_hba_doorbell_isr(struct AdapterControlBlock *acb)
1854 {
1855           u_int32_t doorbell_status;
1856 
1857           /*
1858           *******************************************************************
1859           **  Maybe here we need to check wrqbuffer_lock is lock or not
1860           **  DOORBELL: din! don!
1861           **  check if there are any mail need to pack from firmware
1862           *******************************************************************
1863           */
1864           doorbell_status = CHIP_REG_READ32(HBA_MessageUnit, 0, outbound_doorbell);
1865           CHIP_REG_WRITE32(HBA_MessageUnit, 0, outbound_doorbell, doorbell_status); /* clear doorbell interrupt */
1866           if(doorbell_status & ARCMSR_OUTBOUND_IOP331_DATA_WRITE_OK) {
1867                     arcmsr_iop2drv_data_wrote_handle(acb);
1868           }
1869           if(doorbell_status & ARCMSR_OUTBOUND_IOP331_DATA_READ_OK) {
1870                     arcmsr_iop2drv_data_read_handle(acb);
1871           }
1872 }
1873 /*
1874 **************************************************************************
1875 **************************************************************************
1876 */
arcmsr_hbc_doorbell_isr(struct AdapterControlBlock * acb)1877 static void arcmsr_hbc_doorbell_isr(struct AdapterControlBlock *acb)
1878 {
1879           u_int32_t doorbell_status;
1880 
1881           /*
1882           *******************************************************************
1883           **  Maybe here we need to check wrqbuffer_lock is lock or not
1884           **  DOORBELL: din! don!
1885           **  check if there are any mail need to pack from firmware
1886           *******************************************************************
1887           */
1888           doorbell_status = CHIP_REG_READ32(HBC_MessageUnit, 0, outbound_doorbell);
1889           CHIP_REG_WRITE32(HBC_MessageUnit, 0, outbound_doorbell_clear, doorbell_status); /* clear doorbell interrupt */
1890           if(doorbell_status & ARCMSR_HBCMU_IOP2DRV_DATA_WRITE_OK) {
1891                     arcmsr_iop2drv_data_wrote_handle(acb);
1892           }
1893           if(doorbell_status & ARCMSR_HBCMU_IOP2DRV_DATA_READ_OK) {
1894                     arcmsr_iop2drv_data_read_handle(acb);
1895           }
1896           if(doorbell_status & ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE) {
1897                     arcmsr_hbc_message_isr(acb);    /* messenger of "driver to iop commands" */
1898           }
1899 }
1900 /*
1901 **************************************************************************
1902 **************************************************************************
1903 */
arcmsr_hbd_doorbell_isr(struct AdapterControlBlock * acb)1904 static void arcmsr_hbd_doorbell_isr(struct AdapterControlBlock *acb)
1905 {
1906           u_int32_t doorbell_status;
1907 
1908           /*
1909           *******************************************************************
1910           **  Maybe here we need to check wrqbuffer_lock is lock or not
1911           **  DOORBELL: din! don!
1912           **  check if there are any mail need to pack from firmware
1913           *******************************************************************
1914           */
1915           doorbell_status = CHIP_REG_READ32(HBD_MessageUnit, 0, outbound_doorbell) & ARCMSR_HBDMU_F0_DOORBELL_CAUSE;
1916           if(doorbell_status)
1917                     CHIP_REG_WRITE32(HBD_MessageUnit, 0, outbound_doorbell, doorbell_status); /* clear doorbell interrupt */
1918           while( doorbell_status & ARCMSR_HBDMU_F0_DOORBELL_CAUSE ) {
1919                     if(doorbell_status & ARCMSR_HBDMU_IOP2DRV_DATA_WRITE_OK) {
1920                               arcmsr_iop2drv_data_wrote_handle(acb);
1921                     }
1922                     if(doorbell_status & ARCMSR_HBDMU_IOP2DRV_DATA_READ_OK) {
1923                               arcmsr_iop2drv_data_read_handle(acb);
1924                     }
1925                     if(doorbell_status & ARCMSR_HBDMU_IOP2DRV_MESSAGE_CMD_DONE) {
1926                               arcmsr_hbd_message_isr(acb);    /* messenger of "driver to iop commands" */
1927                     }
1928                     doorbell_status = CHIP_REG_READ32(HBD_MessageUnit, 0, outbound_doorbell) & ARCMSR_HBDMU_F0_DOORBELL_CAUSE;
1929                     if(doorbell_status)
1930                               CHIP_REG_WRITE32(HBD_MessageUnit, 0, outbound_doorbell, doorbell_status); /* clear doorbell interrupt */
1931           }
1932 }
1933 /*
1934 **************************************************************************
1935 **************************************************************************
1936 */
arcmsr_hbe_doorbell_isr(struct AdapterControlBlock * acb)1937 static void arcmsr_hbe_doorbell_isr(struct AdapterControlBlock *acb)
1938 {
1939           u_int32_t doorbell_status, in_doorbell;
1940 
1941           /*
1942           *******************************************************************
1943           **  Maybe here we need to check wrqbuffer_lock is lock or not
1944           **  DOORBELL: din! don!
1945           **  check if there are any mail need to pack from firmware
1946           *******************************************************************
1947           */
1948           in_doorbell = CHIP_REG_READ32(HBE_MessageUnit, 0, iobound_doorbell);
1949           CHIP_REG_WRITE32(HBE_MessageUnit, 0, host_int_status, 0); /* clear doorbell interrupt */
1950           doorbell_status = in_doorbell ^ acb->in_doorbell;
1951           if(doorbell_status & ARCMSR_HBEMU_IOP2DRV_DATA_WRITE_OK) {
1952                     arcmsr_iop2drv_data_wrote_handle(acb);
1953           }
1954           if(doorbell_status & ARCMSR_HBEMU_IOP2DRV_DATA_READ_OK) {
1955                     arcmsr_iop2drv_data_read_handle(acb);
1956           }
1957           if(doorbell_status & ARCMSR_HBEMU_IOP2DRV_MESSAGE_CMD_DONE) {
1958                     arcmsr_hbe_message_isr(acb);    /* messenger of "driver to iop commands" */
1959           }
1960           acb->in_doorbell = in_doorbell;
1961 }
1962 /*
1963 **************************************************************************
1964 **************************************************************************
1965 */
arcmsr_hba_postqueue_isr(struct AdapterControlBlock * acb)1966 static void arcmsr_hba_postqueue_isr(struct AdapterControlBlock *acb)
1967 {
1968           u_int32_t flag_srb;
1969           u_int16_t error;
1970 
1971           /*
1972           *****************************************************************************
1973           **               areca cdb command done
1974           *****************************************************************************
1975           */
1976           bus_dmamap_sync(acb->srb_dmat, acb->srb_dmamap,
1977                     BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE);
1978           while((flag_srb = CHIP_REG_READ32(HBA_MessageUnit,
1979                     0, outbound_queueport)) != 0xFFFFFFFF) {
1980                     /* check if command done with no error*/
1981           error = (flag_srb & ARCMSR_SRBREPLY_FLAG_ERROR_MODE0) ? TRUE : FALSE;
1982                     arcmsr_drain_donequeue(acb, flag_srb, error);
1983           }         /*drain reply FIFO*/
1984 }
1985 /*
1986 **************************************************************************
1987 **************************************************************************
1988 */
arcmsr_hbb_postqueue_isr(struct AdapterControlBlock * acb)1989 static void arcmsr_hbb_postqueue_isr(struct AdapterControlBlock *acb)
1990 {
1991           struct HBB_MessageUnit *phbbmu = (struct HBB_MessageUnit *)acb->pmu;
1992           u_int32_t flag_srb;
1993           int index;
1994           u_int16_t error;
1995 
1996           /*
1997           *****************************************************************************
1998           **               areca cdb command done
1999           *****************************************************************************
2000           */
2001           bus_dmamap_sync(acb->srb_dmat, acb->srb_dmamap,
2002                     BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE);
2003           index = phbbmu->doneq_index;
2004           while((flag_srb = phbbmu->done_qbuffer[index]) != 0) {
2005                     phbbmu->done_qbuffer[index] = 0;
2006                     index++;
2007                     index %= ARCMSR_MAX_HBB_POSTQUEUE;     /*if last index number set it to 0 */
2008                     phbbmu->doneq_index = index;
2009                     /* check if command done with no error*/
2010           error = (flag_srb & ARCMSR_SRBREPLY_FLAG_ERROR_MODE0)?TRUE:FALSE;
2011                     arcmsr_drain_donequeue(acb, flag_srb, error);
2012           }         /*drain reply FIFO*/
2013 }
2014 /*
2015 **************************************************************************
2016 **************************************************************************
2017 */
arcmsr_hbc_postqueue_isr(struct AdapterControlBlock * acb)2018 static void arcmsr_hbc_postqueue_isr(struct AdapterControlBlock *acb)
2019 {
2020           u_int32_t flag_srb,throttling = 0;
2021           u_int16_t error;
2022 
2023           /*
2024           *****************************************************************************
2025           **               areca cdb command done
2026           *****************************************************************************
2027           */
2028           bus_dmamap_sync(acb->srb_dmat, acb->srb_dmamap, BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE);
2029           do {
2030                     flag_srb = CHIP_REG_READ32(HBC_MessageUnit, 0, outbound_queueport_low);
2031                     if (flag_srb == 0xFFFFFFFF)
2032                               break;
2033                     /* check if command done with no error*/
2034                     error = (flag_srb & ARCMSR_SRBREPLY_FLAG_ERROR_MODE1)?TRUE:FALSE;
2035                     arcmsr_drain_donequeue(acb, flag_srb, error);
2036                     throttling++;
2037                     if(throttling == ARCMSR_HBC_ISR_THROTTLING_LEVEL) {
2038                               CHIP_REG_WRITE32(HBC_MessageUnit, 0, inbound_doorbell,ARCMSR_HBCMU_DRV2IOP_POSTQUEUE_THROTTLING);
2039                               throttling = 0;
2040                     }
2041           } while(CHIP_REG_READ32(HBC_MessageUnit, 0, host_int_status) & ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR);
2042 }
2043 /*
2044 **********************************************************************
2045 **
2046 **********************************************************************
2047 */
arcmsr_get_doneq_index(struct HBD_MessageUnit0 * phbdmu)2048 static uint16_t arcmsr_get_doneq_index(struct HBD_MessageUnit0 *phbdmu)
2049 {
2050           uint16_t doneq_index, index_stripped;
2051 
2052           doneq_index = phbdmu->doneq_index;
2053           if (doneq_index & 0x4000) {
2054                     index_stripped = doneq_index & 0xFF;
2055                     index_stripped += 1;
2056                     index_stripped %= ARCMSR_MAX_HBD_POSTQUEUE;
2057                     phbdmu->doneq_index = index_stripped ?
2058                         (index_stripped | 0x4000) : index_stripped;
2059           } else {
2060                     index_stripped = doneq_index;
2061                     index_stripped += 1;
2062                     index_stripped %= ARCMSR_MAX_HBD_POSTQUEUE;
2063                     phbdmu->doneq_index = index_stripped ?
2064                         index_stripped : (index_stripped | 0x4000);
2065           }
2066           return (phbdmu->doneq_index);
2067 }
2068 /*
2069 **************************************************************************
2070 **************************************************************************
2071 */
arcmsr_hbd_postqueue_isr(struct AdapterControlBlock * acb)2072 static void arcmsr_hbd_postqueue_isr(struct AdapterControlBlock *acb)
2073 {
2074           struct HBD_MessageUnit0 *phbdmu = (struct HBD_MessageUnit0 *)acb->pmu;
2075           u_int32_t outbound_write_pointer;
2076           u_int32_t addressLow;
2077           uint16_t doneq_index;
2078           u_int16_t error;
2079           /*
2080           *****************************************************************************
2081           **               areca cdb command done
2082           *****************************************************************************
2083           */
2084           if((CHIP_REG_READ32(HBD_MessageUnit, 0, outboundlist_interrupt_cause) &
2085                     ARCMSR_HBDMU_OUTBOUND_LIST_INTERRUPT) == 0)
2086                     return;
2087           bus_dmamap_sync(acb->srb_dmat, acb->srb_dmamap,
2088                     BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
2089           outbound_write_pointer = phbdmu->done_qbuffer[0].addressLow;
2090           doneq_index = phbdmu->doneq_index;
2091           while ((doneq_index & 0xFF) != (outbound_write_pointer & 0xFF)) {
2092                     doneq_index = arcmsr_get_doneq_index(phbdmu);
2093                     addressLow = phbdmu->done_qbuffer[(doneq_index & 0xFF)+1].addressLow;
2094                     error = (addressLow & ARCMSR_SRBREPLY_FLAG_ERROR_MODE1) ? TRUE : FALSE;
2095                     arcmsr_drain_donequeue(acb, addressLow, error); /*Check if command done with no error */
2096                     CHIP_REG_WRITE32(HBD_MessageUnit, 0, outboundlist_read_pointer, doneq_index);
2097                     outbound_write_pointer = phbdmu->done_qbuffer[0].addressLow;
2098           }
2099           CHIP_REG_WRITE32(HBD_MessageUnit, 0, outboundlist_interrupt_cause, ARCMSR_HBDMU_OUTBOUND_LIST_INTERRUPT_CLEAR);
2100           CHIP_REG_READ32(HBD_MessageUnit, 0, outboundlist_interrupt_cause); /*Dummy ioread32 to force pci flush */
2101 }
2102 /*
2103 **************************************************************************
2104 **************************************************************************
2105 */
arcmsr_hbe_postqueue_isr(struct AdapterControlBlock * acb)2106 static void arcmsr_hbe_postqueue_isr(struct AdapterControlBlock *acb)
2107 {
2108           u_int16_t error;
2109           uint32_t doneq_index;
2110           uint16_t cmdSMID;
2111 
2112           /*
2113           *****************************************************************************
2114           **               areca cdb command done
2115           *****************************************************************************
2116           */
2117           bus_dmamap_sync(acb->srb_dmat, acb->srb_dmamap, BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
2118           doneq_index = acb->doneq_index;
2119           while ((CHIP_REG_READ32(HBE_MessageUnit, 0, reply_post_producer_index) & 0xFFFF) != doneq_index) {
2120                     cmdSMID = acb->pCompletionQ[doneq_index].cmdSMID;
2121                     error = (acb->pCompletionQ[doneq_index].cmdFlag & ARCMSR_SRBREPLY_FLAG_ERROR_MODE1) ? TRUE : FALSE;
2122                     arcmsr_drain_donequeue(acb, (u_int32_t)cmdSMID, error);
2123                     doneq_index++;
2124                     if (doneq_index >= acb->completionQ_entry)
2125                               doneq_index = 0;
2126           }
2127           acb->doneq_index = doneq_index;
2128           CHIP_REG_WRITE32(HBE_MessageUnit, 0, reply_post_consumer_index, doneq_index);
2129 }
2130 /*
2131 **********************************************************************
2132 **********************************************************************
2133 */
arcmsr_handle_hba_isr(struct AdapterControlBlock * acb)2134 static void arcmsr_handle_hba_isr( struct AdapterControlBlock *acb)
2135 {
2136           u_int32_t outbound_intStatus;
2137           /*
2138           *********************************************
2139           **   check outbound intstatus
2140           *********************************************
2141           */
2142           outbound_intStatus = CHIP_REG_READ32(HBA_MessageUnit, 0, outbound_intstatus) & acb->outbound_int_enable;
2143           if(!outbound_intStatus) {
2144                     /*it must be share irq*/
2145                     return;
2146           }
2147           CHIP_REG_WRITE32(HBA_MessageUnit, 0, outbound_intstatus, outbound_intStatus); /*clear interrupt*/
2148           /* MU doorbell interrupts*/
2149           if(outbound_intStatus & ARCMSR_MU_OUTBOUND_DOORBELL_INT) {
2150                     arcmsr_hba_doorbell_isr(acb);
2151           }
2152           /* MU post queue interrupts*/
2153           if(outbound_intStatus & ARCMSR_MU_OUTBOUND_POSTQUEUE_INT) {
2154                     arcmsr_hba_postqueue_isr(acb);
2155           }
2156           if(outbound_intStatus & ARCMSR_MU_OUTBOUND_MESSAGE0_INT) {
2157                     arcmsr_hba_message_isr(acb);
2158           }
2159 }
2160 /*
2161 **********************************************************************
2162 **********************************************************************
2163 */
arcmsr_handle_hbb_isr(struct AdapterControlBlock * acb)2164 static void arcmsr_handle_hbb_isr( struct AdapterControlBlock *acb)
2165 {
2166           u_int32_t outbound_doorbell;
2167           struct HBB_MessageUnit *phbbmu = (struct HBB_MessageUnit *)acb->pmu;
2168           /*
2169           *********************************************
2170           **   check outbound intstatus
2171           *********************************************
2172           */
2173           outbound_doorbell = READ_CHIP_REG32(0, phbbmu->iop2drv_doorbell) & acb->outbound_int_enable;
2174           if(!outbound_doorbell) {
2175                     /*it must be share irq*/
2176                     return;
2177           }
2178           WRITE_CHIP_REG32(0, phbbmu->iop2drv_doorbell, ~outbound_doorbell); /* clear doorbell interrupt */
2179           READ_CHIP_REG32(0, phbbmu->iop2drv_doorbell);
2180           WRITE_CHIP_REG32(0, phbbmu->drv2iop_doorbell, ARCMSR_DRV2IOP_END_OF_INTERRUPT);
2181           /* MU ioctl transfer doorbell interrupts*/
2182           if(outbound_doorbell & ARCMSR_IOP2DRV_DATA_WRITE_OK) {
2183                     arcmsr_iop2drv_data_wrote_handle(acb);
2184           }
2185           if(outbound_doorbell & ARCMSR_IOP2DRV_DATA_READ_OK) {
2186                     arcmsr_iop2drv_data_read_handle(acb);
2187           }
2188           /* MU post queue interrupts*/
2189           if(outbound_doorbell & ARCMSR_IOP2DRV_CDB_DONE) {
2190                     arcmsr_hbb_postqueue_isr(acb);
2191           }
2192           if(outbound_doorbell & ARCMSR_IOP2DRV_MESSAGE_CMD_DONE) {
2193                     arcmsr_hbb_message_isr(acb);
2194           }
2195 }
2196 /*
2197 **********************************************************************
2198 **********************************************************************
2199 */
arcmsr_handle_hbc_isr(struct AdapterControlBlock * acb)2200 static void arcmsr_handle_hbc_isr( struct AdapterControlBlock *acb)
2201 {
2202           u_int32_t host_interrupt_status;
2203           /*
2204           *********************************************
2205           **   check outbound intstatus
2206           *********************************************
2207           */
2208           host_interrupt_status = CHIP_REG_READ32(HBC_MessageUnit, 0, host_int_status) &
2209                     (ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR |
2210                     ARCMSR_HBCMU_OUTBOUND_DOORBELL_ISR);
2211           if(!host_interrupt_status) {
2212                     /*it must be share irq*/
2213                     return;
2214           }
2215           do {
2216                     /* MU doorbell interrupts*/
2217                     if(host_interrupt_status & ARCMSR_HBCMU_OUTBOUND_DOORBELL_ISR) {
2218                               arcmsr_hbc_doorbell_isr(acb);
2219                     }
2220                     /* MU post queue interrupts*/
2221                     if(host_interrupt_status & ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR) {
2222                               arcmsr_hbc_postqueue_isr(acb);
2223                     }
2224                     host_interrupt_status = CHIP_REG_READ32(HBC_MessageUnit, 0, host_int_status);
2225           } while (host_interrupt_status & (ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR | ARCMSR_HBCMU_OUTBOUND_DOORBELL_ISR));
2226 }
2227 /*
2228 **********************************************************************
2229 **********************************************************************
2230 */
arcmsr_handle_hbd_isr(struct AdapterControlBlock * acb)2231 static void arcmsr_handle_hbd_isr( struct AdapterControlBlock *acb)
2232 {
2233           u_int32_t host_interrupt_status;
2234           u_int32_t intmask_org;
2235           /*
2236           *********************************************
2237           **   check outbound intstatus
2238           *********************************************
2239           */
2240           host_interrupt_status = CHIP_REG_READ32(HBD_MessageUnit, 0, host_int_status) & acb->outbound_int_enable;
2241           if(!(host_interrupt_status & ARCMSR_HBDMU_OUTBOUND_INT)) {
2242                     /*it must be share irq*/
2243                     return;
2244           }
2245           /* disable outbound interrupt */
2246           intmask_org = CHIP_REG_READ32(HBD_MessageUnit, 0, pcief0_int_enable)  ; /* disable outbound message0 int */
2247           CHIP_REG_WRITE32(HBD_MessageUnit, 0, pcief0_int_enable, ARCMSR_HBDMU_ALL_INT_DISABLE);
2248           /* MU doorbell interrupts*/
2249           if(host_interrupt_status & ARCMSR_HBDMU_OUTBOUND_DOORBELL_INT) {
2250                     arcmsr_hbd_doorbell_isr(acb);
2251           }
2252           /* MU post queue interrupts*/
2253           if(host_interrupt_status & ARCMSR_HBDMU_OUTBOUND_POSTQUEUE_INT) {
2254                     arcmsr_hbd_postqueue_isr(acb);
2255           }
2256           /* enable all outbound interrupt */
2257           CHIP_REG_WRITE32(HBD_MessageUnit, 0, pcief0_int_enable, intmask_org | ARCMSR_HBDMU_ALL_INT_ENABLE);
2258 //        CHIP_REG_READ32(HBD_MessageUnit, 0, pcief0_int_enable);
2259 }
2260 /*
2261 **********************************************************************
2262 **********************************************************************
2263 */
arcmsr_handle_hbe_isr(struct AdapterControlBlock * acb)2264 static void arcmsr_handle_hbe_isr( struct AdapterControlBlock *acb)
2265 {
2266           u_int32_t host_interrupt_status;
2267           /*
2268           *********************************************
2269           **   check outbound intstatus
2270           *********************************************
2271           */
2272           host_interrupt_status = CHIP_REG_READ32(HBE_MessageUnit, 0, host_int_status) &
2273                     (ARCMSR_HBEMU_OUTBOUND_POSTQUEUE_ISR |
2274                     ARCMSR_HBEMU_OUTBOUND_DOORBELL_ISR);
2275           if(!host_interrupt_status) {
2276                     /*it must be share irq*/
2277                     return;
2278           }
2279           do {
2280                     /* MU doorbell interrupts*/
2281                     if(host_interrupt_status & ARCMSR_HBEMU_OUTBOUND_DOORBELL_ISR) {
2282                               arcmsr_hbe_doorbell_isr(acb);
2283                     }
2284                     /* MU post queue interrupts*/
2285                     if(host_interrupt_status & ARCMSR_HBEMU_OUTBOUND_POSTQUEUE_ISR) {
2286                               arcmsr_hbe_postqueue_isr(acb);
2287                     }
2288                     host_interrupt_status = CHIP_REG_READ32(HBE_MessageUnit, 0, host_int_status);
2289           } while (host_interrupt_status & (ARCMSR_HBEMU_OUTBOUND_POSTQUEUE_ISR | ARCMSR_HBEMU_OUTBOUND_DOORBELL_ISR));
2290 }
2291 /*
2292 ******************************************************************************
2293 ******************************************************************************
2294 */
arcmsr_interrupt(struct AdapterControlBlock * acb)2295 static void arcmsr_interrupt(struct AdapterControlBlock *acb)
2296 {
2297           switch (acb->adapter_type) {
2298           case ACB_ADAPTER_TYPE_A:
2299                     arcmsr_handle_hba_isr(acb);
2300                     break;
2301           case ACB_ADAPTER_TYPE_B:
2302                     arcmsr_handle_hbb_isr(acb);
2303                     break;
2304           case ACB_ADAPTER_TYPE_C:
2305                     arcmsr_handle_hbc_isr(acb);
2306                     break;
2307           case ACB_ADAPTER_TYPE_D:
2308                     arcmsr_handle_hbd_isr(acb);
2309                     break;
2310           case ACB_ADAPTER_TYPE_E:
2311                     arcmsr_handle_hbe_isr(acb);
2312                     break;
2313           default:
2314                     kprintf("arcmsr%d: interrupt service,"
2315                     " unknown adapter type =%d\n", acb->pci_unit, acb->adapter_type);
2316                     break;
2317           }
2318 }
2319 /*
2320 **********************************************************************
2321 **********************************************************************
2322 */
arcmsr_intr_handler(void * arg)2323 static void arcmsr_intr_handler(void *arg)
2324 {
2325           struct AdapterControlBlock *acb = (struct AdapterControlBlock *)arg;
2326 
2327           arcmsr_interrupt(acb);
2328 }
2329 /*
2330 ******************************************************************************
2331 ******************************************************************************
2332 */
arcmsr_polling_devmap(void * arg)2333 static void         arcmsr_polling_devmap(void *arg)
2334 {
2335           struct AdapterControlBlock *acb = (struct AdapterControlBlock *)arg;
2336           switch (acb->adapter_type) {
2337           case ACB_ADAPTER_TYPE_A:
2338                     CHIP_REG_WRITE32(HBA_MessageUnit, 0, inbound_msgaddr0, ARCMSR_INBOUND_MESG0_GET_CONFIG);
2339                     break;
2340 
2341           case ACB_ADAPTER_TYPE_B: {
2342                               struct HBB_MessageUnit *phbbmu = (struct HBB_MessageUnit *)acb->pmu;
2343                               WRITE_CHIP_REG32(0, phbbmu->drv2iop_doorbell, ARCMSR_MESSAGE_GET_CONFIG);
2344                     }
2345                     break;
2346 
2347           case ACB_ADAPTER_TYPE_C:
2348                     CHIP_REG_WRITE32(HBC_MessageUnit, 0, inbound_msgaddr0, ARCMSR_INBOUND_MESG0_GET_CONFIG);
2349                     CHIP_REG_WRITE32(HBC_MessageUnit, 0, inbound_doorbell, ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE);
2350                     break;
2351 
2352           case ACB_ADAPTER_TYPE_D:
2353                     CHIP_REG_WRITE32(HBD_MessageUnit, 0, inbound_msgaddr0, ARCMSR_INBOUND_MESG0_GET_CONFIG);
2354                     break;
2355 
2356           case ACB_ADAPTER_TYPE_E:
2357                     CHIP_REG_WRITE32(HBE_MessageUnit, 0, inbound_msgaddr0, ARCMSR_INBOUND_MESG0_GET_CONFIG);
2358                     acb->out_doorbell ^= ARCMSR_HBEMU_DRV2IOP_MESSAGE_CMD_DONE;
2359                     CHIP_REG_WRITE32(HBE_MessageUnit, 0, iobound_doorbell, acb->out_doorbell);
2360                     break;
2361           }
2362 
2363           if((acb->acb_flags & ACB_F_SCSISTOPADAPTER) == 0)
2364           {
2365                     callout_reset(&acb->devmap_callout, 5 * hz, arcmsr_polling_devmap, acb);        /* polling per 5 seconds */
2366           }
2367 }
2368 
2369 /*
2370 *******************************************************************************
2371 **
2372 *******************************************************************************
2373 */
arcmsr_iop_parking(struct AdapterControlBlock * acb)2374 static void arcmsr_iop_parking(struct AdapterControlBlock *acb)
2375 {
2376           u_int32_t intmask_org;
2377 
2378           if(acb != NULL) {
2379                     /* stop adapter background rebuild */
2380                     if(acb->acb_flags & ACB_F_MSG_START_BGRB) {
2381                               intmask_org = arcmsr_disable_allintr(acb);
2382                               arcmsr_stop_adapter_bgrb(acb);
2383                               arcmsr_flush_adapter_cache(acb);
2384                               arcmsr_enable_allintr(acb, intmask_org);
2385                     }
2386           }
2387 }
2388 /*
2389 ***********************************************************************
2390 **
2391 ************************************************************************
2392 */
arcmsr_iop_ioctlcmd(struct AdapterControlBlock * acb,u_int32_t ioctl_cmd,caddr_t arg)2393 static u_int32_t arcmsr_iop_ioctlcmd(struct AdapterControlBlock *acb, u_int32_t ioctl_cmd, caddr_t arg)
2394 {
2395           struct CMD_MESSAGE_FIELD *pcmdmessagefld;
2396           u_int32_t retvalue = EINVAL;
2397 
2398           pcmdmessagefld = (struct CMD_MESSAGE_FIELD *) arg;
2399           if(memcmp(pcmdmessagefld->cmdmessage.Signature, "ARCMSR", 6)!=0) {
2400                     return retvalue;
2401           }
2402           ARCMSR_LOCK_ACQUIRE(&acb->qbuffer_lock);
2403           switch(ioctl_cmd) {
2404           case ARCMSR_MESSAGE_READ_RQBUFFER: {
2405                               u_int8_t *pQbuffer;
2406                               u_int8_t *ptmpQbuffer = pcmdmessagefld->messagedatabuffer;
2407                               u_int32_t allxfer_len=0;
2408 
2409                               while((acb->rqbuf_firstindex != acb->rqbuf_lastindex)
2410                                         && (allxfer_len < 1031)) {
2411                                         /*copy READ QBUFFER to srb*/
2412                                         pQbuffer = &acb->rqbuffer[acb->rqbuf_firstindex];
2413                                         *ptmpQbuffer = *pQbuffer;
2414                                         acb->rqbuf_firstindex++;
2415                                         acb->rqbuf_firstindex %= ARCMSR_MAX_QBUFFER;
2416                                         /*if last index number set it to 0 */
2417                                         ptmpQbuffer++;
2418                                         allxfer_len++;
2419                               }
2420                               if(acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) {
2421                                         struct QBUFFER *prbuffer;
2422 
2423                                         acb->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW;
2424                                         prbuffer = arcmsr_get_iop_rqbuffer(acb);
2425                                         if(arcmsr_Read_iop_rqbuffer_data(acb, prbuffer) == 0)
2426                                                   acb->acb_flags |= ACB_F_IOPDATA_OVERFLOW;
2427                               }
2428                               pcmdmessagefld->cmdmessage.Length = allxfer_len;
2429                               pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_OK;
2430                               retvalue = ARCMSR_MESSAGE_SUCCESS;
2431                     }
2432                     break;
2433           case ARCMSR_MESSAGE_WRITE_WQBUFFER: {
2434                               u_int32_t my_empty_len, user_len, wqbuf_firstindex, wqbuf_lastindex;
2435                               u_int8_t *pQbuffer;
2436                               u_int8_t *ptmpuserbuffer = pcmdmessagefld->messagedatabuffer;
2437 
2438                               user_len = pcmdmessagefld->cmdmessage.Length;
2439                               /*check if data xfer length of this request will overflow my array qbuffer */
2440                               wqbuf_lastindex = acb->wqbuf_lastindex;
2441                               wqbuf_firstindex = acb->wqbuf_firstindex;
2442                               if(wqbuf_lastindex != wqbuf_firstindex) {
2443                                         arcmsr_Write_data_2iop_wqbuffer(acb);
2444                                         pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_ERROR;
2445                               } else {
2446                                         my_empty_len = (wqbuf_firstindex - wqbuf_lastindex - 1) &
2447                                                   (ARCMSR_MAX_QBUFFER - 1);
2448                                         if(my_empty_len >= user_len) {
2449                                                   while(user_len > 0) {
2450                                                             /*copy srb data to wqbuffer*/
2451                                                             pQbuffer = &acb->wqbuffer[acb->wqbuf_lastindex];
2452                                                             *pQbuffer = *ptmpuserbuffer;
2453                                                             acb->wqbuf_lastindex++;
2454                                                             acb->wqbuf_lastindex %= ARCMSR_MAX_QBUFFER;
2455                                                             /*if last index number set it to 0 */
2456                                                             ptmpuserbuffer++;
2457                                                             user_len--;
2458                                                   }
2459                                                   /*post fist Qbuffer*/
2460                                                   if(acb->acb_flags & ACB_F_MESSAGE_WQBUFFER_CLEARED) {
2461                                                             acb->acb_flags &= ~ACB_F_MESSAGE_WQBUFFER_CLEARED;
2462                                                             arcmsr_Write_data_2iop_wqbuffer(acb);
2463                                                   }
2464                                                   pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_OK;
2465                                         } else {
2466                                                   pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_ERROR;
2467                                         }
2468                               }
2469                               retvalue = ARCMSR_MESSAGE_SUCCESS;
2470                     }
2471                     break;
2472           case ARCMSR_MESSAGE_CLEAR_RQBUFFER: {
2473                               u_int8_t *pQbuffer = acb->rqbuffer;
2474 
2475                               if(acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) {
2476                                         acb->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW;
2477                                         arcmsr_iop_message_read(acb);
2478                                         /*signature, let IOP know data has been readed */
2479                               }
2480                               acb->acb_flags |= ACB_F_MESSAGE_RQBUFFER_CLEARED;
2481                               acb->rqbuf_firstindex = 0;
2482                               acb->rqbuf_lastindex = 0;
2483                               memset(pQbuffer, 0, ARCMSR_MAX_QBUFFER);
2484                               pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_OK;
2485                               retvalue = ARCMSR_MESSAGE_SUCCESS;
2486                     }
2487                     break;
2488           case ARCMSR_MESSAGE_CLEAR_WQBUFFER:
2489                     {
2490                               u_int8_t *pQbuffer = acb->wqbuffer;
2491 
2492                               if(acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) {
2493                                         acb->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW;
2494                                         arcmsr_iop_message_read(acb);
2495                                         /*signature, let IOP know data has been readed */
2496                               }
2497                               acb->acb_flags |= (ACB_F_MESSAGE_WQBUFFER_CLEARED|ACB_F_MESSAGE_WQBUFFER_READ);
2498                               acb->wqbuf_firstindex = 0;
2499                               acb->wqbuf_lastindex = 0;
2500                               memset(pQbuffer, 0, ARCMSR_MAX_QBUFFER);
2501                               pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_OK;
2502                               retvalue = ARCMSR_MESSAGE_SUCCESS;
2503                     }
2504                     break;
2505           case ARCMSR_MESSAGE_CLEAR_ALLQBUFFER: {
2506                               u_int8_t *pQbuffer;
2507 
2508                               if(acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) {
2509                                         acb->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW;
2510                                         arcmsr_iop_message_read(acb);
2511                                         /*signature, let IOP know data has been readed */
2512                               }
2513                               acb->acb_flags  |= (ACB_F_MESSAGE_WQBUFFER_CLEARED
2514                                                   |ACB_F_MESSAGE_RQBUFFER_CLEARED
2515                                                   |ACB_F_MESSAGE_WQBUFFER_READ);
2516                               acb->rqbuf_firstindex = 0;
2517                               acb->rqbuf_lastindex = 0;
2518                               acb->wqbuf_firstindex = 0;
2519                               acb->wqbuf_lastindex = 0;
2520                               pQbuffer = acb->rqbuffer;
2521                               memset(pQbuffer, 0, sizeof(struct QBUFFER));
2522                               pQbuffer = acb->wqbuffer;
2523                               memset(pQbuffer, 0, sizeof(struct QBUFFER));
2524                               pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_OK;
2525                               retvalue = ARCMSR_MESSAGE_SUCCESS;
2526                     }
2527                     break;
2528           case ARCMSR_MESSAGE_REQUEST_RETURNCODE_3F: {
2529                               pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_3F;
2530                               retvalue = ARCMSR_MESSAGE_SUCCESS;
2531                     }
2532                     break;
2533           case ARCMSR_MESSAGE_SAY_HELLO: {
2534                               u_int8_t *hello_string = "Hello! I am ARCMSR";
2535                               u_int8_t *puserbuffer = (u_int8_t *)pcmdmessagefld->messagedatabuffer;
2536 
2537                               if(memcpy(puserbuffer, hello_string, (int16_t)strlen(hello_string))) {
2538                                         pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_ERROR;
2539                                         ARCMSR_LOCK_RELEASE(&acb->qbuffer_lock);
2540                                         return ENOIOCTL;
2541                               }
2542                               pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_OK;
2543                               retvalue = ARCMSR_MESSAGE_SUCCESS;
2544                     }
2545                     break;
2546           case ARCMSR_MESSAGE_SAY_GOODBYE: {
2547                               arcmsr_iop_parking(acb);
2548                               retvalue = ARCMSR_MESSAGE_SUCCESS;
2549                     }
2550                     break;
2551           case ARCMSR_MESSAGE_FLUSH_ADAPTER_CACHE: {
2552                               arcmsr_flush_adapter_cache(acb);
2553                               retvalue = ARCMSR_MESSAGE_SUCCESS;
2554                     }
2555                     break;
2556           }
2557           ARCMSR_LOCK_RELEASE(&acb->qbuffer_lock);
2558           return (retvalue);
2559 }
2560 /*
2561 **************************************************************************
2562 **************************************************************************
2563 */
arcmsr_free_srb(struct CommandControlBlock * srb)2564 static void arcmsr_free_srb(struct CommandControlBlock *srb)
2565 {
2566           struct AdapterControlBlock    *acb;
2567 
2568           acb = srb->acb;
2569           ARCMSR_LOCK_ACQUIRE(&acb->srb_lock);
2570           srb->srb_state = ARCMSR_SRB_DONE;
2571           srb->srb_flags = 0;
2572           acb->srbworkingQ[acb->workingsrb_doneindex] = srb;
2573           acb->workingsrb_doneindex++;
2574           acb->workingsrb_doneindex %= ARCMSR_MAX_FREESRB_NUM;
2575           ARCMSR_LOCK_RELEASE(&acb->srb_lock);
2576 }
2577 /*
2578 **************************************************************************
2579 **************************************************************************
2580 */
arcmsr_get_freesrb(struct AdapterControlBlock * acb)2581 static struct CommandControlBlock *arcmsr_get_freesrb(struct AdapterControlBlock *acb)
2582 {
2583           struct CommandControlBlock *srb = NULL;
2584           u_int32_t workingsrb_startindex, workingsrb_doneindex;
2585 
2586           ARCMSR_LOCK_ACQUIRE(&acb->srb_lock);
2587           workingsrb_doneindex = acb->workingsrb_doneindex;
2588           workingsrb_startindex = acb->workingsrb_startindex;
2589           srb = acb->srbworkingQ[workingsrb_startindex];
2590           workingsrb_startindex++;
2591           workingsrb_startindex %= ARCMSR_MAX_FREESRB_NUM;
2592           if(workingsrb_doneindex != workingsrb_startindex) {
2593                     acb->workingsrb_startindex = workingsrb_startindex;
2594           } else {
2595                     srb = NULL;
2596           }
2597           ARCMSR_LOCK_RELEASE(&acb->srb_lock);
2598           return(srb);
2599 }
2600 /*
2601 **************************************************************************
2602 **************************************************************************
2603 */
arcmsr_iop_message_xfer(struct AdapterControlBlock * acb,union ccb * pccb)2604 static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, union ccb *pccb)
2605 {
2606           struct CMD_MESSAGE_FIELD *pcmdmessagefld;
2607           int retvalue = 0, transfer_len = 0;
2608           char *buffer;
2609           u_int32_t controlcode = (u_int32_t ) pccb->csio.cdb_io.cdb_bytes[5] << 24 |
2610                                         (u_int32_t ) pccb->csio.cdb_io.cdb_bytes[6] << 16 |
2611                                         (u_int32_t ) pccb->csio.cdb_io.cdb_bytes[7] << 8  |
2612                                         (u_int32_t ) pccb->csio.cdb_io.cdb_bytes[8];
2613                                                   /* 4 bytes: Areca io control code */
2614           if((pccb->ccb_h.flags & CAM_SCATTER_VALID) == 0) {
2615                     buffer = pccb->csio.data_ptr;
2616                     transfer_len = pccb->csio.dxfer_len;
2617           } else {
2618                     retvalue = ARCMSR_MESSAGE_FAIL;
2619                     goto message_out;
2620           }
2621           if (transfer_len > sizeof(struct CMD_MESSAGE_FIELD)) {
2622                     retvalue = ARCMSR_MESSAGE_FAIL;
2623                     goto message_out;
2624           }
2625           pcmdmessagefld = (struct CMD_MESSAGE_FIELD *) buffer;
2626           switch(controlcode) {
2627           case ARCMSR_MESSAGE_READ_RQBUFFER: {
2628                               u_int8_t *pQbuffer;
2629                               u_int8_t *ptmpQbuffer = pcmdmessagefld->messagedatabuffer;
2630                               int32_t allxfer_len = 0;
2631 
2632                               ARCMSR_LOCK_ACQUIRE(&acb->qbuffer_lock);
2633                               while ((acb->rqbuf_firstindex != acb->rqbuf_lastindex)
2634                                         && (allxfer_len < 1031)) {
2635                                         pQbuffer = &acb->rqbuffer[acb->rqbuf_firstindex];
2636                                         *ptmpQbuffer = *pQbuffer;
2637                                         acb->rqbuf_firstindex++;
2638                                         acb->rqbuf_firstindex %= ARCMSR_MAX_QBUFFER;
2639                                         ptmpQbuffer++;
2640                                         allxfer_len++;
2641                               }
2642                               if (acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) {
2643                                         struct QBUFFER  *prbuffer;
2644 
2645                                         acb->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW;
2646                                         prbuffer = arcmsr_get_iop_rqbuffer(acb);
2647                                         if(arcmsr_Read_iop_rqbuffer_data(acb, prbuffer) == 0)
2648                                                   acb->acb_flags |= ACB_F_IOPDATA_OVERFLOW;
2649                               }
2650                               pcmdmessagefld->cmdmessage.Length = allxfer_len;
2651                               pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_OK;
2652                               retvalue = ARCMSR_MESSAGE_SUCCESS;
2653                               ARCMSR_LOCK_RELEASE(&acb->qbuffer_lock);
2654                     }
2655                     break;
2656           case ARCMSR_MESSAGE_WRITE_WQBUFFER: {
2657                               int32_t my_empty_len, user_len, wqbuf_firstindex, wqbuf_lastindex;
2658                               u_int8_t *pQbuffer;
2659                               u_int8_t *ptmpuserbuffer = pcmdmessagefld->messagedatabuffer;
2660 
2661                               user_len = pcmdmessagefld->cmdmessage.Length;
2662                               ARCMSR_LOCK_ACQUIRE(&acb->qbuffer_lock);
2663                               wqbuf_lastindex = acb->wqbuf_lastindex;
2664                               wqbuf_firstindex = acb->wqbuf_firstindex;
2665                               if (wqbuf_lastindex != wqbuf_firstindex) {
2666                                         arcmsr_Write_data_2iop_wqbuffer(acb);
2667                                         /* has error report sensedata */
2668                                         if(pccb->csio.sense_len) {
2669                                         ((u_int8_t *)&pccb->csio.sense_data)[0] = (0x1 << 7 | 0x70);
2670                                         /* Valid,ErrorCode */
2671                                         ((u_int8_t *)&pccb->csio.sense_data)[2] = 0x05;
2672                                         /* FileMark,EndOfMedia,IncorrectLength,Reserved,SenseKey */
2673                                         ((u_int8_t *)&pccb->csio.sense_data)[7] = 0x0A;
2674                                         /* AdditionalSenseLength */
2675                                         ((u_int8_t *)&pccb->csio.sense_data)[12] = 0x20;
2676                                         /* AdditionalSenseCode */
2677                                         }
2678                                         retvalue = ARCMSR_MESSAGE_FAIL;
2679                               } else {
2680                                         my_empty_len = (wqbuf_firstindex-wqbuf_lastindex - 1)
2681                                                             &(ARCMSR_MAX_QBUFFER - 1);
2682                                         if (my_empty_len >= user_len) {
2683                                                   while (user_len > 0) {
2684                                                             pQbuffer = &acb->wqbuffer[acb->wqbuf_lastindex];
2685                                                             *pQbuffer = *ptmpuserbuffer;
2686                                                             acb->wqbuf_lastindex++;
2687                                                             acb->wqbuf_lastindex %= ARCMSR_MAX_QBUFFER;
2688                                                             ptmpuserbuffer++;
2689                                                             user_len--;
2690                                                   }
2691                                                   if (acb->acb_flags & ACB_F_MESSAGE_WQBUFFER_CLEARED) {
2692                                                             acb->acb_flags &=
2693                                                                 ~ACB_F_MESSAGE_WQBUFFER_CLEARED;
2694                                                             arcmsr_Write_data_2iop_wqbuffer(acb);
2695                                                   }
2696                                         } else {
2697                                                   /* has error report sensedata */
2698                                                   if(pccb->csio.sense_len) {
2699                                                   ((u_int8_t *)&pccb->csio.sense_data)[0] = (0x1 << 7 | 0x70);
2700                                                   /* Valid,ErrorCode */
2701                                                   ((u_int8_t *)&pccb->csio.sense_data)[2] = 0x05;
2702                                                   /* FileMark,EndOfMedia,IncorrectLength,Reserved,SenseKey */
2703                                                   ((u_int8_t *)&pccb->csio.sense_data)[7] = 0x0A;
2704                                                   /* AdditionalSenseLength */
2705                                                   ((u_int8_t *)&pccb->csio.sense_data)[12] = 0x20;
2706                                                   /* AdditionalSenseCode */
2707                                                   }
2708                                                   retvalue = ARCMSR_MESSAGE_FAIL;
2709                                         }
2710                               }
2711                               ARCMSR_LOCK_RELEASE(&acb->qbuffer_lock);
2712                     }
2713                     break;
2714           case ARCMSR_MESSAGE_CLEAR_RQBUFFER: {
2715                               u_int8_t *pQbuffer = acb->rqbuffer;
2716 
2717                               ARCMSR_LOCK_ACQUIRE(&acb->qbuffer_lock);
2718                               if (acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) {
2719                                         acb->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW;
2720                                         arcmsr_iop_message_read(acb);
2721                               }
2722                               acb->acb_flags |= ACB_F_MESSAGE_RQBUFFER_CLEARED;
2723                               acb->rqbuf_firstindex = 0;
2724                               acb->rqbuf_lastindex = 0;
2725                               memset(pQbuffer, 0, ARCMSR_MAX_QBUFFER);
2726                               pcmdmessagefld->cmdmessage.ReturnCode =
2727                                   ARCMSR_MESSAGE_RETURNCODE_OK;
2728                               ARCMSR_LOCK_RELEASE(&acb->qbuffer_lock);
2729                     }
2730                     break;
2731           case ARCMSR_MESSAGE_CLEAR_WQBUFFER: {
2732                               u_int8_t *pQbuffer = acb->wqbuffer;
2733 
2734                               ARCMSR_LOCK_ACQUIRE(&acb->qbuffer_lock);
2735                               if (acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) {
2736                                         acb->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW;
2737                                         arcmsr_iop_message_read(acb);
2738                               }
2739                               acb->acb_flags |=
2740                                         (ACB_F_MESSAGE_WQBUFFER_CLEARED |
2741                                                   ACB_F_MESSAGE_WQBUFFER_READ);
2742                               acb->wqbuf_firstindex = 0;
2743                               acb->wqbuf_lastindex = 0;
2744                               memset(pQbuffer, 0, ARCMSR_MAX_QBUFFER);
2745                               pcmdmessagefld->cmdmessage.ReturnCode =
2746                                         ARCMSR_MESSAGE_RETURNCODE_OK;
2747                               ARCMSR_LOCK_RELEASE(&acb->qbuffer_lock);
2748                     }
2749                     break;
2750           case ARCMSR_MESSAGE_CLEAR_ALLQBUFFER: {
2751                               u_int8_t *pQbuffer;
2752 
2753                               ARCMSR_LOCK_ACQUIRE(&acb->qbuffer_lock);
2754                               if (acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) {
2755                                         acb->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW;
2756                                         arcmsr_iop_message_read(acb);
2757                               }
2758                               acb->acb_flags |=
2759                                         (ACB_F_MESSAGE_WQBUFFER_CLEARED
2760                                         | ACB_F_MESSAGE_RQBUFFER_CLEARED
2761                                         | ACB_F_MESSAGE_WQBUFFER_READ);
2762                               acb->rqbuf_firstindex = 0;
2763                               acb->rqbuf_lastindex = 0;
2764                               acb->wqbuf_firstindex = 0;
2765                               acb->wqbuf_lastindex = 0;
2766                               pQbuffer = acb->rqbuffer;
2767                               memset(pQbuffer, 0, sizeof (struct QBUFFER));
2768                               pQbuffer = acb->wqbuffer;
2769                               memset(pQbuffer, 0, sizeof (struct QBUFFER));
2770                               pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_OK;
2771                               ARCMSR_LOCK_RELEASE(&acb->qbuffer_lock);
2772                     }
2773                     break;
2774           case ARCMSR_MESSAGE_REQUEST_RETURNCODE_3F: {
2775                               pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_3F;
2776                     }
2777                     break;
2778           case ARCMSR_MESSAGE_SAY_HELLO: {
2779                               int8_t *hello_string = "Hello! I am ARCMSR";
2780 
2781                               memcpy(pcmdmessagefld->messagedatabuffer, hello_string
2782                                         , (int16_t)strlen(hello_string));
2783                               pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_OK;
2784                     }
2785                     break;
2786           case ARCMSR_MESSAGE_SAY_GOODBYE:
2787                     arcmsr_iop_parking(acb);
2788                     break;
2789           case ARCMSR_MESSAGE_FLUSH_ADAPTER_CACHE:
2790                     arcmsr_flush_adapter_cache(acb);
2791                     break;
2792           default:
2793                     retvalue = ARCMSR_MESSAGE_FAIL;
2794           }
2795 message_out:
2796           return (retvalue);
2797 }
2798 /*
2799 *********************************************************************
2800 *********************************************************************
2801 */
arcmsr_execute_srb(void * arg,bus_dma_segment_t * dm_segs,int nseg,int error)2802 static void arcmsr_execute_srb(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error)
2803 {
2804           struct CommandControlBlock *srb = (struct CommandControlBlock *)arg;
2805           struct AdapterControlBlock *acb = (struct AdapterControlBlock *)srb->acb;
2806           union ccb *pccb;
2807           int target, lun;
2808 
2809           pccb = srb->pccb;
2810           target = pccb->ccb_h.target_id;
2811           lun = pccb->ccb_h.target_lun;
2812           acb->pktRequestCount++;
2813           if(error != 0) {
2814                     if(error != EFBIG) {
2815                               kprintf("arcmsr%d: unexpected error %x"
2816                                         " returned from 'bus_dmamap_load' \n"
2817                                         , acb->pci_unit, error);
2818                     }
2819                     if((pccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INPROG) {
2820                               pccb->ccb_h.status |= CAM_REQ_TOO_BIG;
2821                     }
2822                     arcmsr_srb_complete(srb, 0);
2823                     return;
2824           }
2825           if(nseg > ARCMSR_MAX_SG_ENTRIES) {
2826                     pccb->ccb_h.status |= CAM_REQ_TOO_BIG;
2827                     arcmsr_srb_complete(srb, 0);
2828                     return;
2829           }
2830           if(acb->acb_flags & ACB_F_BUS_RESET) {
2831                     kprintf("arcmsr%d: bus reset and return busy \n", acb->pci_unit);
2832                     pccb->ccb_h.status |= CAM_SCSI_BUS_RESET;
2833                     arcmsr_srb_complete(srb, 0);
2834                     return;
2835           }
2836           if(acb->devstate[target][lun] == ARECA_RAID_GONE) {
2837                     u_int8_t block_cmd, cmd;
2838 
2839                     cmd = pccb->csio.cdb_io.cdb_bytes[0];
2840                     block_cmd = cmd & 0x0f;
2841                     if(block_cmd == 0x08 || block_cmd == 0x0a) {
2842                               kprintf("arcmsr%d:block 'read/write' command "
2843                                         "with gone raid volume Cmd=0x%2x, TargetId=%d, Lun=%d \n"
2844                                         , acb->pci_unit, cmd, target, lun);
2845                               pccb->ccb_h.status |= CAM_DEV_NOT_THERE;
2846                               arcmsr_srb_complete(srb, 0);
2847                               return;
2848                     }
2849           }
2850           if((pccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_INPROG) {
2851                     if(nseg != 0) {
2852                               ARCMSR_LOCK_ACQUIRE(&acb->io_lock);
2853                               bus_dmamap_unload(acb->dm_segs_dmat, srb->dm_segs_dmamap);
2854                               ARCMSR_LOCK_RELEASE(&acb->io_lock);
2855                     }
2856                     arcmsr_srb_complete(srb, 0);
2857                     return;
2858           }
2859           if(acb->srboutstandingcount >= acb->maxOutstanding) {
2860                     if((acb->acb_flags & ACB_F_CAM_DEV_QFRZN) == 0)
2861                     {
2862                               xpt_freeze_simq(acb->psim, 1);
2863                               acb->acb_flags |= ACB_F_CAM_DEV_QFRZN;
2864                     }
2865                     pccb->ccb_h.status &= ~CAM_SIM_QUEUED;
2866                     pccb->ccb_h.status |= CAM_REQUEUE_REQ;
2867                     arcmsr_srb_complete(srb, 0);
2868                     return;
2869           }
2870           pccb->ccb_h.status |= CAM_SIM_QUEUED;
2871           arcmsr_build_srb(srb, dm_segs, nseg);
2872           arcmsr_post_srb(acb, srb);
2873           if (pccb->ccb_h.timeout != CAM_TIME_INFINITY)
2874           {
2875                     callout_init_lk(&srb->ccb_callout, &srb->acb->isr_lock);
2876                     callout_reset(&srb->ccb_callout, ((pccb->ccb_h.timeout + (ARCMSR_TIMEOUT_DELAY * 1000)) * hz) / 1000, arcmsr_srb_timeout, srb);
2877                     srb->srb_flags |= SRB_FLAG_TIMER_START;
2878           }
2879 }
2880 /*
2881 *****************************************************************************************
2882 *****************************************************************************************
2883 */
arcmsr_seek_cmd2abort(union ccb * abortccb)2884 static u_int8_t arcmsr_seek_cmd2abort(union ccb *abortccb)
2885 {
2886           struct CommandControlBlock *srb;
2887           struct AdapterControlBlock *acb = (struct AdapterControlBlock *) abortccb->ccb_h.arcmsr_ccbacb_ptr;
2888           u_int32_t intmask_org;
2889           int i = 0;
2890 
2891           acb->num_aborts++;
2892           /*
2893           ***************************************************************************
2894           ** It is the upper layer do abort command this lock just prior to calling us.
2895           ** First determine if we currently own this command.
2896           ** Start by searching the device queue. If not found
2897           ** at all, and the system wanted us to just abort the
2898           ** command return success.
2899           ***************************************************************************
2900           */
2901           if(acb->srboutstandingcount != 0) {
2902                     /* disable all outbound interrupt */
2903                     intmask_org = arcmsr_disable_allintr(acb);
2904                     for(i=0; i < ARCMSR_MAX_FREESRB_NUM; i++) {
2905                               srb = acb->psrb_pool[i];
2906                               if(srb->srb_state == ARCMSR_SRB_START) {
2907                                         if(srb->pccb == abortccb) {
2908                                                   srb->srb_state = ARCMSR_SRB_ABORTED;
2909                                                   kprintf("arcmsr%d:scsi id=%d lun=%jx abort srb '%p'"
2910                                                             "outstanding command \n"
2911                                                             , acb->pci_unit, abortccb->ccb_h.target_id
2912                                                             , (uintmax_t)abortccb->ccb_h.target_lun, srb);
2913                                                   arcmsr_polling_srbdone(acb, srb);
2914                                                   /* enable outbound Post Queue, outbound doorbell Interrupt */
2915                                                   arcmsr_enable_allintr(acb, intmask_org);
2916                                                   return (TRUE);
2917                                         }
2918                               }
2919                     }
2920                     /* enable outbound Post Queue, outbound doorbell Interrupt */
2921                     arcmsr_enable_allintr(acb, intmask_org);
2922           }
2923           return(FALSE);
2924 }
2925 /*
2926 ****************************************************************************
2927 ****************************************************************************
2928 */
arcmsr_bus_reset(struct AdapterControlBlock * acb)2929 static void arcmsr_bus_reset(struct AdapterControlBlock *acb)
2930 {
2931           int retry = 0;
2932 
2933           acb->num_resets++;
2934           acb->acb_flags |= ACB_F_BUS_RESET;
2935           while(acb->srboutstandingcount != 0 && retry < 400) {
2936                     arcmsr_interrupt(acb);
2937                     UDELAY(25000);
2938                     retry++;
2939           }
2940           arcmsr_iop_reset(acb);
2941           acb->acb_flags &= ~ACB_F_BUS_RESET;
2942 }
2943 /*
2944 **************************************************************************
2945 **************************************************************************
2946 */
arcmsr_handle_virtual_command(struct AdapterControlBlock * acb,union ccb * pccb)2947 static void arcmsr_handle_virtual_command(struct AdapterControlBlock *acb,
2948                     union ccb *pccb)
2949 {
2950           if (pccb->ccb_h.target_lun) {
2951                     pccb->ccb_h.status |= CAM_DEV_NOT_THERE;
2952                     xpt_done(pccb);
2953                     return;
2954           }
2955           pccb->ccb_h.status |= CAM_REQ_CMP;
2956           switch (pccb->csio.cdb_io.cdb_bytes[0]) {
2957           case INQUIRY: {
2958                     unsigned char inqdata[36];
2959                     char *buffer = pccb->csio.data_ptr;
2960 
2961                     inqdata[0] = T_PROCESSOR;     /* Periph Qualifier & Periph Dev Type */
2962                     inqdata[1] = 0;                         /* rem media bit & Dev Type Modifier */
2963                     inqdata[2] = 0;                         /* ISO, ECMA, & ANSI versions */
2964                     inqdata[3] = 0;
2965                     inqdata[4] = 31;              /* length of additional data */
2966                     inqdata[5] = 0;
2967                     inqdata[6] = 0;
2968                     inqdata[7] = 0;
2969                     strncpy(&inqdata[8], "Areca   ", 8);    /* Vendor Identification */
2970                     strncpy(&inqdata[16], "RAID controller ", 16);    /* Product Identification */
2971                     strncpy(&inqdata[32], "R001", 4); /* Product Revision */
2972                     memcpy(buffer, inqdata, sizeof(inqdata));
2973                     xpt_done(pccb);
2974           }
2975           break;
2976           case WRITE_BUFFER:
2977           case READ_BUFFER: {
2978                     if (arcmsr_iop_message_xfer(acb, pccb)) {
2979                               pccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR;
2980                               pccb->csio.scsi_status = SCSI_STATUS_CHECK_COND;
2981                     }
2982                     xpt_done(pccb);
2983           }
2984           break;
2985           default:
2986                     xpt_done(pccb);
2987           }
2988 }
2989 /*
2990 *********************************************************************
2991 *********************************************************************
2992 */
arcmsr_action(struct cam_sim * psim,union ccb * pccb)2993 static void arcmsr_action(struct cam_sim *psim, union ccb *pccb)
2994 {
2995           struct AdapterControlBlock *acb;
2996 
2997           acb = (struct AdapterControlBlock *) cam_sim_softc(psim);
2998           if(acb == NULL) {
2999                     pccb->ccb_h.status |= CAM_REQ_INVALID;
3000                     xpt_done(pccb);
3001                     return;
3002           }
3003           switch (pccb->ccb_h.func_code) {
3004           case XPT_SCSI_IO: {
3005                               struct CommandControlBlock *srb;
3006                               int target = pccb->ccb_h.target_id;
3007 
3008                               if(target == 16) {
3009                                         /* virtual device for iop message transfer */
3010                                         arcmsr_handle_virtual_command(acb, pccb);
3011                                         return;
3012                               }
3013                               if((srb = arcmsr_get_freesrb(acb)) == NULL) {
3014                                         pccb->ccb_h.status |= CAM_RESRC_UNAVAIL;
3015                                         xpt_done(pccb);
3016                                         return;
3017                               }
3018                               pccb->ccb_h.arcmsr_ccbsrb_ptr = srb;
3019                               pccb->ccb_h.arcmsr_ccbacb_ptr = acb;
3020                               srb->pccb = pccb;
3021                               if((pccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
3022                                         if(!(pccb->ccb_h.flags & CAM_SCATTER_VALID)) {
3023                                                   /* Single buffer */
3024                                                   if(!(pccb->ccb_h.flags & CAM_DATA_PHYS)) {
3025                                                             /* Buffer is virtual */
3026                                                             u_int32_t error;
3027 
3028                                                             crit_enter();
3029                                                             ARCMSR_LOCK_ACQUIRE(&acb->io_lock);
3030                                                             error =   bus_dmamap_load(acb->dm_segs_dmat
3031                                                                       , srb->dm_segs_dmamap
3032                                                                       , pccb->csio.data_ptr
3033                                                                       , pccb->csio.dxfer_len
3034                                                                       , arcmsr_execute_srb, srb, /*flags*/0);
3035                                                             ARCMSR_LOCK_RELEASE(&acb->io_lock);
3036                                                             if(error == EINPROGRESS) {
3037                                                                       xpt_freeze_simq(acb->psim, 1);
3038                                                                       pccb->ccb_h.status |= CAM_RELEASE_SIMQ;
3039                                                             }
3040                                                             crit_exit();
3041                                                   }
3042                                                   else {              /* Buffer is physical */
3043                                                             struct bus_dma_segment seg;
3044 
3045                                                             seg.ds_addr = (bus_addr_t)pccb->csio.data_ptr;
3046                                                             seg.ds_len = pccb->csio.dxfer_len;
3047                                                             arcmsr_execute_srb(srb, &seg, 1, 0);
3048                                                   }
3049                                         } else {
3050                                                   /* Scatter/gather list */
3051                                                   struct bus_dma_segment *segs;
3052 
3053                                                   if((pccb->ccb_h.flags & CAM_SG_LIST_PHYS) == 0
3054                                                   || (pccb->ccb_h.flags & CAM_DATA_PHYS) != 0) {
3055                                                             pccb->ccb_h.status |= CAM_PROVIDE_FAIL;
3056                                                             xpt_done(pccb);
3057                                                             kfree(srb, M_DEVBUF);
3058                                                             return;
3059                                                   }
3060                                                   segs=(struct bus_dma_segment *)pccb->csio.data_ptr;
3061                                                   arcmsr_execute_srb(srb, segs, pccb->csio.sglist_cnt, 0);
3062                                         }
3063                               } else {
3064                                         arcmsr_execute_srb(srb, NULL, 0, 0);
3065                               }
3066                               break;
3067                     }
3068           case XPT_TARGET_IO: {
3069                               /* target mode not yet support vendor specific commands. */
3070                               pccb->ccb_h.status |= CAM_REQ_CMP;
3071                               xpt_done(pccb);
3072                               break;
3073                     }
3074           case XPT_PATH_INQ: {
3075                               struct ccb_pathinq *cpi = &pccb->cpi;
3076 
3077                               cpi->version_num = 1;
3078                               cpi->hba_inquiry = PI_SDTR_ABLE | PI_TAG_ABLE;
3079                               cpi->target_sprt = 0;
3080                               cpi->hba_misc = 0;
3081                               cpi->hba_eng_cnt = 0;
3082                               cpi->max_target = ARCMSR_MAX_TARGETID;        /* 0-16 */
3083                               cpi->max_lun = ARCMSR_MAX_TARGETLUN;        /* 0-7 */
3084                               cpi->initiator_id = ARCMSR_SCSI_INITIATOR_ID; /* 255 */
3085                               cpi->bus_id = cam_sim_bus(psim);
3086                               strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
3087                               strncpy(cpi->hba_vid, "ARCMSR", HBA_IDLEN);
3088                               strncpy(cpi->dev_name, cam_sim_name(psim), DEV_IDLEN);
3089                               cpi->unit_number = cam_sim_unit(psim);
3090                               if(acb->adapter_bus_speed == ACB_BUS_SPEED_12G)
3091                                         cpi->base_transfer_speed = 1200000;
3092                               else if(acb->adapter_bus_speed == ACB_BUS_SPEED_6G)
3093                                         cpi->base_transfer_speed = 600000;
3094                               else
3095                                         cpi->base_transfer_speed = 300000;
3096                               if((acb->vendor_device_id == PCIDevVenIDARC1880) ||
3097                                  (acb->vendor_device_id == PCIDevVenIDARC1884) ||
3098                                  (acb->vendor_device_id == PCIDevVenIDARC1680) ||
3099                                  (acb->vendor_device_id == PCIDevVenIDARC1214))
3100                               {
3101                                         cpi->transport = XPORT_SAS;
3102                                         cpi->transport_version = 0;
3103                                         cpi->protocol_version = SCSI_REV_SPC2;
3104                               }
3105                               else
3106                               {
3107                                         cpi->transport = XPORT_SPI;
3108                                         cpi->transport_version = 2;
3109                                         cpi->protocol_version = SCSI_REV_2;
3110                               }
3111                               cpi->protocol = PROTO_SCSI;
3112                               cpi->ccb_h.status |= CAM_REQ_CMP;
3113                               xpt_done(pccb);
3114                               break;
3115                     }
3116           case XPT_ABORT: {
3117                               union ccb *pabort_ccb;
3118 
3119                               pabort_ccb = pccb->cab.abort_ccb;
3120                               switch (pabort_ccb->ccb_h.func_code) {
3121                               case XPT_ACCEPT_TARGET_IO:
3122                               case XPT_IMMED_NOTIFY:
3123                               case XPT_CONT_TARGET_IO:
3124                                         if(arcmsr_seek_cmd2abort(pabort_ccb)==TRUE) {
3125                                                   pabort_ccb->ccb_h.status |= CAM_REQ_ABORTED;
3126                                                   xpt_done(pabort_ccb);
3127                                                   pccb->ccb_h.status |= CAM_REQ_CMP;
3128                                         } else {
3129                                                   xpt_print_path(pabort_ccb->ccb_h.path);
3130                                                   kprintf("Not found\n");
3131                                                   pccb->ccb_h.status |= CAM_PATH_INVALID;
3132                                         }
3133                                         break;
3134                               case XPT_SCSI_IO:
3135                                         pccb->ccb_h.status |= CAM_UA_ABORT;
3136                                         break;
3137                               default:
3138                                         pccb->ccb_h.status |= CAM_REQ_INVALID;
3139                                         break;
3140                               }
3141                               xpt_done(pccb);
3142                               break;
3143                     }
3144           case XPT_RESET_BUS:
3145           case XPT_RESET_DEV: {
3146                               u_int32_t i;
3147 
3148                               arcmsr_bus_reset(acb);
3149                               for (i=0; i < 500; i++) {
3150                                         DELAY(1000);
3151                               }
3152                               pccb->ccb_h.status |= CAM_REQ_CMP;
3153                               xpt_done(pccb);
3154                               break;
3155                     }
3156           case XPT_TERM_IO: {
3157                               pccb->ccb_h.status |= CAM_REQ_INVALID;
3158                               xpt_done(pccb);
3159                               break;
3160                     }
3161           case XPT_GET_TRAN_SETTINGS: {
3162                               struct ccb_trans_settings *cts;
3163 
3164                               if(pccb->ccb_h.target_id == 16) {
3165                                         pccb->ccb_h.status |= CAM_FUNC_NOTAVAIL;
3166                                         xpt_done(pccb);
3167                                         break;
3168                               }
3169                               cts = &pccb->cts;
3170                               {
3171                                         struct ccb_trans_settings_scsi *scsi;
3172                                         struct ccb_trans_settings_spi *spi;
3173                                         struct ccb_trans_settings_sas *sas;
3174 
3175                                         scsi = &cts->proto_specific.scsi;
3176                                         scsi->flags = CTS_SCSI_FLAGS_TAG_ENB;
3177                                         scsi->valid = CTS_SCSI_VALID_TQ;
3178                                         cts->protocol = PROTO_SCSI;
3179 
3180                                         if((acb->vendor_device_id == PCIDevVenIDARC1880) ||
3181                                            (acb->vendor_device_id == PCIDevVenIDARC1884) ||
3182                                            (acb->vendor_device_id == PCIDevVenIDARC1680) ||
3183                                            (acb->vendor_device_id == PCIDevVenIDARC1214))
3184                                         {
3185                                                   cts->protocol_version = SCSI_REV_SPC2;
3186                                                   cts->transport_version = 0;
3187                                                   cts->transport = XPORT_SAS;
3188                                                   sas = &cts->xport_specific.sas;
3189                                                   sas->valid = CTS_SAS_VALID_SPEED;
3190                                                   if (acb->adapter_bus_speed == ACB_BUS_SPEED_12G)
3191                                                             sas->bitrate = 1200000;
3192                                                   else if(acb->adapter_bus_speed == ACB_BUS_SPEED_6G)
3193                                                             sas->bitrate = 600000;
3194                                                   else if(acb->adapter_bus_speed == ACB_BUS_SPEED_3G)
3195                                                             sas->bitrate = 300000;
3196                                         }
3197                                         else
3198                                         {
3199                                                   cts->protocol_version = SCSI_REV_2;
3200                                                   cts->transport_version = 2;
3201                                                   cts->transport = XPORT_SPI;
3202                                                   spi = &cts->xport_specific.spi;
3203                                                   spi->flags = CTS_SPI_FLAGS_DISC_ENB;
3204                                                   if (acb->adapter_bus_speed == ACB_BUS_SPEED_6G)
3205                                                             spi->sync_period = 1;
3206                                                   else
3207                                                             spi->sync_period = 2;
3208                                                   spi->sync_offset = 32;
3209                                                   spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT;
3210                                                   spi->valid = CTS_SPI_VALID_DISC
3211                                                             | CTS_SPI_VALID_SYNC_RATE
3212                                                             | CTS_SPI_VALID_SYNC_OFFSET
3213                                                             | CTS_SPI_VALID_BUS_WIDTH;
3214                                         }
3215                               }
3216                               pccb->ccb_h.status |= CAM_REQ_CMP;
3217                               xpt_done(pccb);
3218                               break;
3219                     }
3220           case XPT_SET_TRAN_SETTINGS: {
3221                               pccb->ccb_h.status |= CAM_FUNC_NOTAVAIL;
3222                               xpt_done(pccb);
3223                               break;
3224                     }
3225           case XPT_CALC_GEOMETRY:
3226                               if(pccb->ccb_h.target_id == 16) {
3227                                         pccb->ccb_h.status |= CAM_FUNC_NOTAVAIL;
3228                                         xpt_done(pccb);
3229                                         break;
3230                               }
3231                               cam_calc_geometry(&pccb->ccg, 1);
3232                               xpt_done(pccb);
3233                               break;
3234           default:
3235                     pccb->ccb_h.status |= CAM_REQ_INVALID;
3236                     xpt_done(pccb);
3237                     break;
3238           }
3239 }
3240 /*
3241 **********************************************************************
3242 **********************************************************************
3243 */
arcmsr_start_hba_bgrb(struct AdapterControlBlock * acb)3244 static void arcmsr_start_hba_bgrb(struct AdapterControlBlock *acb)
3245 {
3246           acb->acb_flags |= ACB_F_MSG_START_BGRB;
3247           CHIP_REG_WRITE32(HBA_MessageUnit, 0, inbound_msgaddr0, ARCMSR_INBOUND_MESG0_START_BGRB);
3248           if(!arcmsr_hba_wait_msgint_ready(acb)) {
3249                     kprintf("arcmsr%d: wait 'start adapter background rebulid' timeout \n", acb->pci_unit);
3250           }
3251 }
3252 /*
3253 **********************************************************************
3254 **********************************************************************
3255 */
arcmsr_start_hbb_bgrb(struct AdapterControlBlock * acb)3256 static void arcmsr_start_hbb_bgrb(struct AdapterControlBlock *acb)
3257 {
3258           struct HBB_MessageUnit *phbbmu = (struct HBB_MessageUnit *)acb->pmu;
3259           acb->acb_flags |= ACB_F_MSG_START_BGRB;
3260           WRITE_CHIP_REG32(0, phbbmu->drv2iop_doorbell, ARCMSR_MESSAGE_START_BGRB);
3261           if(!arcmsr_hbb_wait_msgint_ready(acb)) {
3262                     kprintf( "arcmsr%d: wait 'start adapter background rebulid' timeout \n", acb->pci_unit);
3263           }
3264 }
3265 /*
3266 **********************************************************************
3267 **********************************************************************
3268 */
arcmsr_start_hbc_bgrb(struct AdapterControlBlock * acb)3269 static void arcmsr_start_hbc_bgrb(struct AdapterControlBlock *acb)
3270 {
3271           acb->acb_flags |= ACB_F_MSG_START_BGRB;
3272           CHIP_REG_WRITE32(HBC_MessageUnit, 0, inbound_msgaddr0, ARCMSR_INBOUND_MESG0_START_BGRB);
3273           CHIP_REG_WRITE32(HBC_MessageUnit, 0, inbound_doorbell, ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE);
3274           if(!arcmsr_hbc_wait_msgint_ready(acb)) {
3275                     kprintf("arcmsr%d: wait 'start adapter background rebulid' timeout \n", acb->pci_unit);
3276           }
3277 }
3278 /*
3279 **********************************************************************
3280 **********************************************************************
3281 */
arcmsr_start_hbd_bgrb(struct AdapterControlBlock * acb)3282 static void arcmsr_start_hbd_bgrb(struct AdapterControlBlock *acb)
3283 {
3284           acb->acb_flags |= ACB_F_MSG_START_BGRB;
3285           CHIP_REG_WRITE32(HBD_MessageUnit, 0, inbound_msgaddr0, ARCMSR_INBOUND_MESG0_START_BGRB);
3286           if(!arcmsr_hbd_wait_msgint_ready(acb)) {
3287                     kprintf("arcmsr%d: wait 'start adapter background rebulid' timeout \n", acb->pci_unit);
3288           }
3289 }
3290 /*
3291 **********************************************************************
3292 **********************************************************************
3293 */
arcmsr_start_hbe_bgrb(struct AdapterControlBlock * acb)3294 static void arcmsr_start_hbe_bgrb(struct AdapterControlBlock *acb)
3295 {
3296           acb->acb_flags |= ACB_F_MSG_START_BGRB;
3297           CHIP_REG_WRITE32(HBE_MessageUnit, 0, inbound_msgaddr0, ARCMSR_INBOUND_MESG0_START_BGRB);
3298           acb->out_doorbell ^= ARCMSR_HBEMU_DRV2IOP_MESSAGE_CMD_DONE;
3299           CHIP_REG_WRITE32(HBE_MessageUnit, 0, iobound_doorbell, acb->out_doorbell);
3300           if(!arcmsr_hbe_wait_msgint_ready(acb)) {
3301                     kprintf("arcmsr%d: wait 'start adapter background rebulid' timeout \n", acb->pci_unit);
3302           }
3303 }
3304 /*
3305 **********************************************************************
3306 **********************************************************************
3307 */
arcmsr_start_adapter_bgrb(struct AdapterControlBlock * acb)3308 static void arcmsr_start_adapter_bgrb(struct AdapterControlBlock *acb)
3309 {
3310           switch (acb->adapter_type) {
3311           case ACB_ADAPTER_TYPE_A:
3312                     arcmsr_start_hba_bgrb(acb);
3313                     break;
3314           case ACB_ADAPTER_TYPE_B:
3315                     arcmsr_start_hbb_bgrb(acb);
3316                     break;
3317           case ACB_ADAPTER_TYPE_C:
3318                     arcmsr_start_hbc_bgrb(acb);
3319                     break;
3320           case ACB_ADAPTER_TYPE_D:
3321                     arcmsr_start_hbd_bgrb(acb);
3322                     break;
3323           case ACB_ADAPTER_TYPE_E:
3324                     arcmsr_start_hbe_bgrb(acb);
3325                     break;
3326           }
3327 }
3328 /*
3329 **********************************************************************
3330 **
3331 **********************************************************************
3332 */
arcmsr_polling_hba_srbdone(struct AdapterControlBlock * acb,struct CommandControlBlock * poll_srb)3333 static void arcmsr_polling_hba_srbdone(struct AdapterControlBlock *acb, struct CommandControlBlock *poll_srb)
3334 {
3335           struct CommandControlBlock *srb;
3336           u_int32_t flag_srb, outbound_intstatus, poll_srb_done=0, poll_count=0;
3337           u_int16_t error;
3338 
3339 polling_ccb_retry:
3340           poll_count++;
3341           outbound_intstatus=CHIP_REG_READ32(HBA_MessageUnit, 0, outbound_intstatus) & acb->outbound_int_enable;
3342           CHIP_REG_WRITE32(HBA_MessageUnit, 0, outbound_intstatus, outbound_intstatus);   /*clear interrupt*/
3343           bus_dmamap_sync(acb->srb_dmat, acb->srb_dmamap, BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE);
3344           while(1) {
3345                     if((flag_srb = CHIP_REG_READ32(HBA_MessageUnit,
3346                               0, outbound_queueport)) == 0xFFFFFFFF) {
3347                               if(poll_srb_done) {
3348                                         break;/*chip FIFO no ccb for completion already*/
3349                               } else {
3350                                         UDELAY(25000);
3351                                         if ((poll_count > 100) && (poll_srb != NULL)) {
3352                                                   break;
3353                                         }
3354                                         goto polling_ccb_retry;
3355                               }
3356                     }
3357                     /* check if command done with no error*/
3358                     srb = (struct CommandControlBlock *)
3359                               (acb->vir2phy_offset+(flag_srb << 5));/*frame must be 32 bytes aligned*/
3360                     error = (flag_srb & ARCMSR_SRBREPLY_FLAG_ERROR_MODE0)?TRUE:FALSE;
3361                     poll_srb_done = (srb == poll_srb) ? 1:0;
3362                     if((srb->acb != acb) || (srb->srb_state != ARCMSR_SRB_START)) {
3363                               if(srb->srb_state == ARCMSR_SRB_ABORTED) {
3364                                         kprintf("arcmsr%d: scsi id=%d lun=%jx srb='%p'"
3365                                                   "poll command abort successfully \n"
3366                                                   , acb->pci_unit
3367                                                   , srb->pccb->ccb_h.target_id
3368                                                   , (uintmax_t)srb->pccb->ccb_h.target_lun, srb);
3369                                         srb->pccb->ccb_h.status |= CAM_REQ_ABORTED;
3370                                         arcmsr_srb_complete(srb, 1);
3371                                         continue;
3372                               }
3373                               kprintf("arcmsr%d: polling get an illegal srb command done srb='%p'"
3374                                         "srboutstandingcount=%d \n"
3375                                         , acb->pci_unit
3376                                         , srb, acb->srboutstandingcount);
3377                               continue;
3378                     }
3379                     arcmsr_report_srb_state(acb, srb, error);
3380           }         /*drain reply FIFO*/
3381 }
3382 /*
3383 **********************************************************************
3384 **
3385 **********************************************************************
3386 */
arcmsr_polling_hbb_srbdone(struct AdapterControlBlock * acb,struct CommandControlBlock * poll_srb)3387 static void arcmsr_polling_hbb_srbdone(struct AdapterControlBlock *acb, struct CommandControlBlock *poll_srb)
3388 {
3389           struct HBB_MessageUnit *phbbmu = (struct HBB_MessageUnit *)acb->pmu;
3390           struct CommandControlBlock *srb;
3391           u_int32_t flag_srb, poll_srb_done=0, poll_count=0;
3392           int index;
3393           u_int16_t error;
3394 
3395 polling_ccb_retry:
3396           poll_count++;
3397           WRITE_CHIP_REG32(0, phbbmu->iop2drv_doorbell, ARCMSR_DOORBELL_INT_CLEAR_PATTERN); /* clear doorbell interrupt */
3398           bus_dmamap_sync(acb->srb_dmat, acb->srb_dmamap, BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE);
3399           while(1) {
3400                     index = phbbmu->doneq_index;
3401                     if((flag_srb = phbbmu->done_qbuffer[index]) == 0) {
3402                               if(poll_srb_done) {
3403                                         break;/*chip FIFO no ccb for completion already*/
3404                               } else {
3405                                         UDELAY(25000);
3406                                         if ((poll_count > 100) && (poll_srb != NULL)) {
3407                                                   break;
3408                                         }
3409                                         goto polling_ccb_retry;
3410                               }
3411                     }
3412                     phbbmu->done_qbuffer[index] = 0;
3413                     index++;
3414                     index %= ARCMSR_MAX_HBB_POSTQUEUE;     /*if last index number set it to 0 */
3415                     phbbmu->doneq_index = index;
3416                     /* check if command done with no error*/
3417                     srb = (struct CommandControlBlock *)
3418                               (acb->vir2phy_offset+(flag_srb << 5));/*frame must be 32 bytes aligned*/
3419                     error = (flag_srb & ARCMSR_SRBREPLY_FLAG_ERROR_MODE0)?TRUE:FALSE;
3420                     poll_srb_done = (srb == poll_srb) ? 1:0;
3421                     if((srb->acb != acb) || (srb->srb_state != ARCMSR_SRB_START)) {
3422                               if(srb->srb_state == ARCMSR_SRB_ABORTED) {
3423                                         kprintf("arcmsr%d: scsi id=%d lun=%jx srb='%p'"
3424                                                   "poll command abort successfully \n"
3425                                                   , acb->pci_unit
3426                                                   , srb->pccb->ccb_h.target_id
3427                                                   , (uintmax_t)srb->pccb->ccb_h.target_lun, srb);
3428                                         srb->pccb->ccb_h.status |= CAM_REQ_ABORTED;
3429                                         arcmsr_srb_complete(srb, 1);
3430                                         continue;
3431                               }
3432                               kprintf("arcmsr%d: polling get an illegal srb command done srb='%p'"
3433                                         "srboutstandingcount=%d \n"
3434                                         , acb->pci_unit
3435                                         , srb, acb->srboutstandingcount);
3436                               continue;
3437                     }
3438                     arcmsr_report_srb_state(acb, srb, error);
3439           }         /*drain reply FIFO*/
3440 }
3441 /*
3442 **********************************************************************
3443 **
3444 **********************************************************************
3445 */
arcmsr_polling_hbc_srbdone(struct AdapterControlBlock * acb,struct CommandControlBlock * poll_srb)3446 static void arcmsr_polling_hbc_srbdone(struct AdapterControlBlock *acb, struct CommandControlBlock *poll_srb)
3447 {
3448           struct CommandControlBlock *srb;
3449           u_int32_t flag_srb, poll_srb_done=0, poll_count=0;
3450           u_int16_t error;
3451 
3452 polling_ccb_retry:
3453           poll_count++;
3454           bus_dmamap_sync(acb->srb_dmat, acb->srb_dmamap, BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE);
3455           while(1) {
3456                     if(!(CHIP_REG_READ32(HBC_MessageUnit, 0, host_int_status) & ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR)) {
3457                               if(poll_srb_done) {
3458                                         break;/*chip FIFO no ccb for completion already*/
3459                               } else {
3460                                         UDELAY(25000);
3461                                         if ((poll_count > 100) && (poll_srb != NULL)) {
3462                                                   break;
3463                                         }
3464                                         if (acb->srboutstandingcount == 0) {
3465                                             break;
3466                                         }
3467                                         goto polling_ccb_retry;
3468                               }
3469                     }
3470                     flag_srb = CHIP_REG_READ32(HBC_MessageUnit, 0, outbound_queueport_low);
3471                     /* check if command done with no error*/
3472                     srb = (struct CommandControlBlock *)(acb->vir2phy_offset+(flag_srb & 0xFFFFFFE0));/*frame must be 32 bytes aligned*/
3473                     error = (flag_srb & ARCMSR_SRBREPLY_FLAG_ERROR_MODE1)?TRUE:FALSE;
3474                     if (poll_srb != NULL)
3475                               poll_srb_done = (srb == poll_srb) ? 1:0;
3476                     if((srb->acb != acb) || (srb->srb_state != ARCMSR_SRB_START)) {
3477                               if(srb->srb_state == ARCMSR_SRB_ABORTED) {
3478                                         kprintf("arcmsr%d: scsi id=%d lun=%jx srb='%p'poll command abort successfully \n"
3479                                                             , acb->pci_unit, srb->pccb->ccb_h.target_id, (uintmax_t)srb->pccb->ccb_h.target_lun, srb);
3480                                         srb->pccb->ccb_h.status |= CAM_REQ_ABORTED;
3481                                         arcmsr_srb_complete(srb, 1);
3482                                         continue;
3483                               }
3484                               kprintf("arcmsr%d: polling get an illegal srb command done srb='%p'srboutstandingcount=%d \n"
3485                                                   , acb->pci_unit, srb, acb->srboutstandingcount);
3486                               continue;
3487                     }
3488                     arcmsr_report_srb_state(acb, srb, error);
3489           }         /*drain reply FIFO*/
3490 }
3491 /*
3492 **********************************************************************
3493 **
3494 **********************************************************************
3495 */
arcmsr_polling_hbd_srbdone(struct AdapterControlBlock * acb,struct CommandControlBlock * poll_srb)3496 static void arcmsr_polling_hbd_srbdone(struct AdapterControlBlock *acb, struct CommandControlBlock *poll_srb)
3497 {
3498           struct HBD_MessageUnit0 *phbdmu = (struct HBD_MessageUnit0 *)acb->pmu;
3499           struct CommandControlBlock *srb;
3500           u_int32_t flag_srb, poll_srb_done=0, poll_count=0;
3501           u_int32_t outbound_write_pointer;
3502           u_int16_t error, doneq_index;
3503 
3504 polling_ccb_retry:
3505           poll_count++;
3506           bus_dmamap_sync(acb->srb_dmat, acb->srb_dmamap, BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE);
3507           while(1) {
3508                     outbound_write_pointer = phbdmu->done_qbuffer[0].addressLow;
3509                     doneq_index = phbdmu->doneq_index;
3510                     if ((outbound_write_pointer & 0xFF) == (doneq_index & 0xFF)) {
3511                               if(poll_srb_done) {
3512                                         break;/*chip FIFO no ccb for completion already*/
3513                               } else {
3514                                         UDELAY(25000);
3515                                         if ((poll_count > 100) && (poll_srb != NULL)) {
3516                                                   break;
3517                                         }
3518                                         if (acb->srboutstandingcount == 0) {
3519                                                   break;
3520                                         }
3521                                         goto polling_ccb_retry;
3522                               }
3523                     }
3524                     doneq_index = arcmsr_get_doneq_index(phbdmu);
3525                     flag_srb = phbdmu->done_qbuffer[(doneq_index & 0xFF)+1].addressLow;
3526                     /* check if command done with no error*/
3527                     srb = (struct CommandControlBlock *)(acb->vir2phy_offset+(flag_srb & 0xFFFFFFE0));/*frame must be 32 bytes aligned*/
3528                     error = (flag_srb & ARCMSR_SRBREPLY_FLAG_ERROR_MODE1) ? TRUE : FALSE;
3529                     CHIP_REG_WRITE32(HBD_MessageUnit, 0, outboundlist_read_pointer, doneq_index);
3530                     if (poll_srb != NULL)
3531                               poll_srb_done = (srb == poll_srb) ? 1:0;
3532                     if((srb->acb != acb) || (srb->srb_state != ARCMSR_SRB_START)) {
3533                               if(srb->srb_state == ARCMSR_SRB_ABORTED) {
3534                                         kprintf("arcmsr%d: scsi id=%d lun=%jx srb='%p'poll command abort successfully \n"
3535                                                             , acb->pci_unit, srb->pccb->ccb_h.target_id, (uintmax_t)srb->pccb->ccb_h.target_lun, srb);
3536                                         srb->pccb->ccb_h.status |= CAM_REQ_ABORTED;
3537                                         arcmsr_srb_complete(srb, 1);
3538                                         continue;
3539                               }
3540                               kprintf("arcmsr%d: polling get an illegal srb command done srb='%p'srboutstandingcount=%d \n"
3541                                                   , acb->pci_unit, srb, acb->srboutstandingcount);
3542                               continue;
3543                     }
3544                     arcmsr_report_srb_state(acb, srb, error);
3545           }         /*drain reply FIFO*/
3546 }
3547 /*
3548 **********************************************************************
3549 **
3550 **********************************************************************
3551 */
arcmsr_polling_hbe_srbdone(struct AdapterControlBlock * acb,struct CommandControlBlock * poll_srb)3552 static void arcmsr_polling_hbe_srbdone(struct AdapterControlBlock *acb, struct CommandControlBlock *poll_srb)
3553 {
3554           struct CommandControlBlock *srb;
3555           u_int32_t poll_srb_done=0, poll_count=0, doneq_index;
3556           u_int16_t error, cmdSMID;
3557 
3558 polling_ccb_retry:
3559           poll_count++;
3560           bus_dmamap_sync(acb->srb_dmat, acb->srb_dmamap, BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE);
3561           while(1) {
3562                     doneq_index = acb->doneq_index;
3563                     if((CHIP_REG_READ32(HBE_MessageUnit, 0, reply_post_producer_index) & 0xFFFF) == doneq_index) {
3564                               if(poll_srb_done) {
3565                                         break;/*chip FIFO no ccb for completion already*/
3566                               } else {
3567                                         UDELAY(25000);
3568                                   if ((poll_count > 100) && (poll_srb != NULL)) {
3569                                                   break;
3570                                         }
3571                                   if (acb->srboutstandingcount == 0) {
3572                                             break;
3573                                   }
3574                                         goto polling_ccb_retry;
3575                               }
3576                     }
3577                     cmdSMID = acb->pCompletionQ[doneq_index].cmdSMID;
3578                     doneq_index++;
3579                     if (doneq_index >= acb->completionQ_entry)
3580                               doneq_index = 0;
3581                     acb->doneq_index = doneq_index;
3582                     srb = acb->psrb_pool[cmdSMID];
3583                     error = (acb->pCompletionQ[doneq_index].cmdFlag & ARCMSR_SRBREPLY_FLAG_ERROR_MODE1) ? TRUE : FALSE;
3584                     if (poll_srb != NULL)
3585                               poll_srb_done = (srb == poll_srb) ? 1:0;
3586                     if((srb->acb != acb) || (srb->srb_state != ARCMSR_SRB_START)) {
3587                               if(srb->srb_state == ARCMSR_SRB_ABORTED) {
3588                                         kprintf("arcmsr%d: scsi id=%d lun=%jx srb='%p'poll command abort successfully \n"
3589                                                             , acb->pci_unit, srb->pccb->ccb_h.target_id, (uintmax_t)srb->pccb->ccb_h.target_lun, srb);
3590                                         srb->pccb->ccb_h.status |= CAM_REQ_ABORTED;
3591                                         arcmsr_srb_complete(srb, 1);
3592                                         continue;
3593                               }
3594                               kprintf("arcmsr%d: polling get an illegal srb command done srb='%p'srboutstandingcount=%d \n"
3595                                                   , acb->pci_unit, srb, acb->srboutstandingcount);
3596                               continue;
3597                     }
3598                     arcmsr_report_srb_state(acb, srb, error);
3599           }         /*drain reply FIFO*/
3600           CHIP_REG_WRITE32(HBE_MessageUnit, 0, reply_post_producer_index, doneq_index);
3601 }
3602 /*
3603 **********************************************************************
3604 **********************************************************************
3605 */
arcmsr_polling_srbdone(struct AdapterControlBlock * acb,struct CommandControlBlock * poll_srb)3606 static void arcmsr_polling_srbdone(struct AdapterControlBlock *acb, struct CommandControlBlock *poll_srb)
3607 {
3608           switch (acb->adapter_type) {
3609           case ACB_ADAPTER_TYPE_A: {
3610                               arcmsr_polling_hba_srbdone(acb, poll_srb);
3611                     }
3612                     break;
3613           case ACB_ADAPTER_TYPE_B: {
3614                               arcmsr_polling_hbb_srbdone(acb, poll_srb);
3615                     }
3616                     break;
3617           case ACB_ADAPTER_TYPE_C: {
3618                               arcmsr_polling_hbc_srbdone(acb, poll_srb);
3619                     }
3620                     break;
3621           case ACB_ADAPTER_TYPE_D: {
3622                               arcmsr_polling_hbd_srbdone(acb, poll_srb);
3623                     }
3624                     break;
3625           case ACB_ADAPTER_TYPE_E: {
3626                               arcmsr_polling_hbe_srbdone(acb, poll_srb);
3627                     }
3628                     break;
3629           }
3630 }
3631 /*
3632 **********************************************************************
3633 **********************************************************************
3634 */
arcmsr_get_hba_config(struct AdapterControlBlock * acb)3635 static void arcmsr_get_hba_config(struct AdapterControlBlock *acb)
3636 {
3637           char *acb_firm_model = acb->firm_model;
3638           char *acb_firm_version = acb->firm_version;
3639           char *acb_device_map = acb->device_map;
3640           size_t iop_firm_model = offsetof(struct HBA_MessageUnit,msgcode_rwbuffer[ARCMSR_FW_MODEL_OFFSET]);  /*firm_model,15,60-67*/
3641           size_t iop_firm_version = offsetof(struct HBA_MessageUnit,msgcode_rwbuffer[ARCMSR_FW_VERS_OFFSET]); /*firm_version,17,68-83*/
3642           size_t iop_device_map = offsetof(struct HBA_MessageUnit,msgcode_rwbuffer[ARCMSR_FW_DEVMAP_OFFSET]);
3643           int i;
3644 
3645           CHIP_REG_WRITE32(HBA_MessageUnit, 0, inbound_msgaddr0, ARCMSR_INBOUND_MESG0_GET_CONFIG);
3646           if(!arcmsr_hba_wait_msgint_ready(acb)) {
3647                     kprintf("arcmsr%d: wait 'get adapter firmware miscellaneous data' timeout \n", acb->pci_unit);
3648           }
3649           i = 0;
3650           while(i < 8) {
3651                     *acb_firm_model = bus_space_read_1(acb->btag[0], acb->bhandle[0], iop_firm_model+i);
3652                     /* 8 bytes firm_model, 15, 60-67*/
3653                     acb_firm_model++;
3654                     i++;
3655           }
3656           i=0;
3657           while(i < 16) {
3658                     *acb_firm_version = bus_space_read_1(acb->btag[0], acb->bhandle[0], iop_firm_version+i);
3659                     /* 16 bytes firm_version, 17, 68-83*/
3660                     acb_firm_version++;
3661                     i++;
3662           }
3663           i=0;
3664           while(i < 16) {
3665                     *acb_device_map = bus_space_read_1(acb->btag[0], acb->bhandle[0], iop_device_map+i);
3666                     acb_device_map++;
3667                     i++;
3668           }
3669           kprintf("Areca RAID adapter%d: %s F/W version %s \n", acb->pci_unit, acb->firm_model, acb->firm_version);
3670           acb->firm_request_len = CHIP_REG_READ32(HBA_MessageUnit, 0, msgcode_rwbuffer[1]);   /*firm_request_len, 1, 04-07*/
3671           acb->firm_numbers_queue = CHIP_REG_READ32(HBA_MessageUnit, 0, msgcode_rwbuffer[2]); /*firm_numbers_queue, 2, 08-11*/
3672           acb->firm_sdram_size = CHIP_REG_READ32(HBA_MessageUnit, 0, msgcode_rwbuffer[3]);    /*firm_sdram_size, 3, 12-15*/
3673           acb->firm_ide_channels = CHIP_REG_READ32(HBA_MessageUnit, 0, msgcode_rwbuffer[4]);  /*firm_ide_channels, 4, 16-19*/
3674           acb->firm_cfg_version = CHIP_REG_READ32(HBA_MessageUnit, 0, msgcode_rwbuffer[ARCMSR_FW_CFGVER_OFFSET]);       /*firm_cfg_version,  25,        */
3675           if(acb->firm_numbers_queue > ARCMSR_MAX_OUTSTANDING_CMD)
3676                     acb->maxOutstanding = ARCMSR_MAX_OUTSTANDING_CMD - 1;
3677           else
3678                     acb->maxOutstanding = acb->firm_numbers_queue - 1;
3679 }
3680 /*
3681 **********************************************************************
3682 **********************************************************************
3683 */
arcmsr_get_hbb_config(struct AdapterControlBlock * acb)3684 static void arcmsr_get_hbb_config(struct AdapterControlBlock *acb)
3685 {
3686           struct HBB_MessageUnit *phbbmu = (struct HBB_MessageUnit *)acb->pmu;
3687           char *acb_firm_model = acb->firm_model;
3688           char *acb_firm_version = acb->firm_version;
3689           char *acb_device_map = acb->device_map;
3690           size_t iop_firm_model = offsetof(struct HBB_RWBUFFER, msgcode_rwbuffer[ARCMSR_FW_MODEL_OFFSET]);    /*firm_model,15,60-67*/
3691           size_t iop_firm_version = offsetof(struct HBB_RWBUFFER, msgcode_rwbuffer[ARCMSR_FW_VERS_OFFSET]);   /*firm_version,17,68-83*/
3692           size_t iop_device_map = offsetof(struct HBB_RWBUFFER, msgcode_rwbuffer[ARCMSR_FW_DEVMAP_OFFSET]);
3693           int i;
3694 
3695           WRITE_CHIP_REG32(0, phbbmu->drv2iop_doorbell, ARCMSR_MESSAGE_GET_CONFIG);
3696           if(!arcmsr_hbb_wait_msgint_ready(acb)) {
3697                     kprintf( "arcmsr%d: wait" "'get adapter firmware miscellaneous data' timeout \n", acb->pci_unit);
3698           }
3699           i = 0;
3700           while(i < 8) {
3701                     *acb_firm_model = bus_space_read_1(acb->btag[1], acb->bhandle[1], iop_firm_model+i);
3702                     /* 8 bytes firm_model, 15, 60-67*/
3703                     acb_firm_model++;
3704                     i++;
3705           }
3706           i = 0;
3707           while(i < 16) {
3708                     *acb_firm_version = bus_space_read_1(acb->btag[1], acb->bhandle[1], iop_firm_version+i);
3709                     /* 16 bytes firm_version, 17, 68-83*/
3710                     acb_firm_version++;
3711                     i++;
3712           }
3713           i = 0;
3714           while(i < 16) {
3715                     *acb_device_map = bus_space_read_1(acb->btag[1], acb->bhandle[1], iop_device_map+i);
3716                     acb_device_map++;
3717                     i++;
3718           }
3719           kprintf("Areca RAID adapter%d: %s F/W version %s \n", acb->pci_unit, acb->firm_model, acb->firm_version);
3720           acb->firm_request_len = CHIP_REG_READ32(HBB_RWBUFFER, 1, msgcode_rwbuffer[1]);   /*firm_request_len, 1, 04-07*/
3721           acb->firm_numbers_queue = CHIP_REG_READ32(HBB_RWBUFFER, 1, msgcode_rwbuffer[2]); /*firm_numbers_queue, 2, 08-11*/
3722           acb->firm_sdram_size = CHIP_REG_READ32(HBB_RWBUFFER, 1, msgcode_rwbuffer[3]);    /*firm_sdram_size, 3, 12-15*/
3723           acb->firm_ide_channels = CHIP_REG_READ32(HBB_RWBUFFER, 1, msgcode_rwbuffer[4]);  /*firm_ide_channels, 4, 16-19*/
3724           acb->firm_cfg_version = CHIP_REG_READ32(HBB_RWBUFFER, 1, msgcode_rwbuffer[ARCMSR_FW_CFGVER_OFFSET]);          /*firm_cfg_version,  25,        */
3725           if(acb->firm_numbers_queue > ARCMSR_MAX_HBB_POSTQUEUE)
3726                     acb->maxOutstanding = ARCMSR_MAX_HBB_POSTQUEUE - 1;
3727           else
3728                     acb->maxOutstanding = acb->firm_numbers_queue - 1;
3729 }
3730 /*
3731 **********************************************************************
3732 **********************************************************************
3733 */
arcmsr_get_hbc_config(struct AdapterControlBlock * acb)3734 static void arcmsr_get_hbc_config(struct AdapterControlBlock *acb)
3735 {
3736           char *acb_firm_model = acb->firm_model;
3737           char *acb_firm_version = acb->firm_version;
3738           char *acb_device_map = acb->device_map;
3739           size_t iop_firm_model = offsetof(struct HBC_MessageUnit,msgcode_rwbuffer[ARCMSR_FW_MODEL_OFFSET]);   /*firm_model,15,60-67*/
3740           size_t iop_firm_version = offsetof(struct HBC_MessageUnit,msgcode_rwbuffer[ARCMSR_FW_VERS_OFFSET]); /*firm_version,17,68-83*/
3741           size_t iop_device_map = offsetof(struct HBC_MessageUnit,msgcode_rwbuffer[ARCMSR_FW_DEVMAP_OFFSET]);
3742           int i;
3743 
3744           CHIP_REG_WRITE32(HBC_MessageUnit, 0, inbound_msgaddr0, ARCMSR_INBOUND_MESG0_GET_CONFIG);
3745           CHIP_REG_WRITE32(HBC_MessageUnit, 0, inbound_doorbell, ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE);
3746           if(!arcmsr_hbc_wait_msgint_ready(acb)) {
3747                     kprintf("arcmsr%d: wait 'get adapter firmware miscellaneous data' timeout \n", acb->pci_unit);
3748           }
3749           i = 0;
3750           while(i < 8) {
3751                     *acb_firm_model = bus_space_read_1(acb->btag[0], acb->bhandle[0], iop_firm_model+i);
3752                     /* 8 bytes firm_model, 15, 60-67*/
3753                     acb_firm_model++;
3754                     i++;
3755           }
3756           i = 0;
3757           while(i < 16) {
3758                     *acb_firm_version = bus_space_read_1(acb->btag[0], acb->bhandle[0], iop_firm_version+i);
3759                     /* 16 bytes firm_version, 17, 68-83*/
3760                     acb_firm_version++;
3761                     i++;
3762           }
3763           i = 0;
3764           while(i < 16) {
3765                     *acb_device_map = bus_space_read_1(acb->btag[0], acb->bhandle[0], iop_device_map+i);
3766                     acb_device_map++;
3767                     i++;
3768           }
3769           kprintf("Areca RAID adapter%d: %s F/W version %s \n", acb->pci_unit, acb->firm_model, acb->firm_version);
3770           acb->firm_request_len         = CHIP_REG_READ32(HBC_MessageUnit, 0, msgcode_rwbuffer[1]); /*firm_request_len,   1, 04-07*/
3771           acb->firm_numbers_queue       = CHIP_REG_READ32(HBC_MessageUnit, 0, msgcode_rwbuffer[2]); /*firm_numbers_queue, 2, 08-11*/
3772           acb->firm_sdram_size          = CHIP_REG_READ32(HBC_MessageUnit, 0, msgcode_rwbuffer[3]); /*firm_sdram_size,    3, 12-15*/
3773           acb->firm_ide_channels        = CHIP_REG_READ32(HBC_MessageUnit, 0, msgcode_rwbuffer[4]); /*firm_ide_channels,  4, 16-19*/
3774           acb->firm_cfg_version         = CHIP_REG_READ32(HBC_MessageUnit, 0, msgcode_rwbuffer[ARCMSR_FW_CFGVER_OFFSET]);         /*firm_cfg_version,  25,        */
3775           if(acb->firm_numbers_queue > ARCMSR_MAX_OUTSTANDING_CMD)
3776                     acb->maxOutstanding = ARCMSR_MAX_OUTSTANDING_CMD - 1;
3777           else
3778                     acb->maxOutstanding = acb->firm_numbers_queue - 1;
3779 }
3780 /*
3781 **********************************************************************
3782 **********************************************************************
3783 */
arcmsr_get_hbd_config(struct AdapterControlBlock * acb)3784 static void arcmsr_get_hbd_config(struct AdapterControlBlock *acb)
3785 {
3786           char *acb_firm_model = acb->firm_model;
3787           char *acb_firm_version = acb->firm_version;
3788           char *acb_device_map = acb->device_map;
3789           size_t iop_firm_model = offsetof(struct HBD_MessageUnit, msgcode_rwbuffer[ARCMSR_FW_MODEL_OFFSET]);   /*firm_model,15,60-67*/
3790           size_t iop_firm_version = offsetof(struct HBD_MessageUnit, msgcode_rwbuffer[ARCMSR_FW_VERS_OFFSET]); /*firm_version,17,68-83*/
3791           size_t iop_device_map = offsetof(struct HBD_MessageUnit, msgcode_rwbuffer[ARCMSR_FW_DEVMAP_OFFSET]);
3792           int i;
3793 
3794           if(CHIP_REG_READ32(HBD_MessageUnit, 0, outbound_doorbell) & ARCMSR_HBDMU_IOP2DRV_MESSAGE_CMD_DONE)
3795                     CHIP_REG_WRITE32(HBD_MessageUnit, 0, outbound_doorbell, ARCMSR_HBDMU_IOP2DRV_MESSAGE_CMD_DONE_CLEAR);
3796           CHIP_REG_WRITE32(HBD_MessageUnit, 0, inbound_msgaddr0, ARCMSR_INBOUND_MESG0_GET_CONFIG);
3797           if(!arcmsr_hbd_wait_msgint_ready(acb)) {
3798                     kprintf("arcmsr%d: wait 'get adapter firmware miscellaneous data' timeout \n", acb->pci_unit);
3799           }
3800           i = 0;
3801           while(i < 8) {
3802                     *acb_firm_model = bus_space_read_1(acb->btag[0], acb->bhandle[0], iop_firm_model+i);
3803                     /* 8 bytes firm_model, 15, 60-67*/
3804                     acb_firm_model++;
3805                     i++;
3806           }
3807           i = 0;
3808           while(i < 16) {
3809                     *acb_firm_version = bus_space_read_1(acb->btag[0], acb->bhandle[0], iop_firm_version+i);
3810                     /* 16 bytes firm_version, 17, 68-83*/
3811                     acb_firm_version++;
3812                     i++;
3813           }
3814           i = 0;
3815           while(i < 16) {
3816                     *acb_device_map = bus_space_read_1(acb->btag[0], acb->bhandle[0], iop_device_map+i);
3817                     acb_device_map++;
3818                     i++;
3819           }
3820           kprintf("Areca RAID adapter%d: %s F/W version %s \n", acb->pci_unit, acb->firm_model, acb->firm_version);
3821           acb->firm_request_len         = CHIP_REG_READ32(HBD_MessageUnit, 0, msgcode_rwbuffer[1]); /*firm_request_len,   1, 04-07*/
3822           acb->firm_numbers_queue       = CHIP_REG_READ32(HBD_MessageUnit, 0, msgcode_rwbuffer[2]); /*firm_numbers_queue, 2, 08-11*/
3823           acb->firm_sdram_size          = CHIP_REG_READ32(HBD_MessageUnit, 0, msgcode_rwbuffer[3]); /*firm_sdram_size,    3, 12-15*/
3824           acb->firm_ide_channels        = CHIP_REG_READ32(HBD_MessageUnit, 0, msgcode_rwbuffer[4]); /*firm_ide_channels,  4, 16-19*/
3825           acb->firm_cfg_version         = CHIP_REG_READ32(HBD_MessageUnit, 0, msgcode_rwbuffer[ARCMSR_FW_CFGVER_OFFSET]);         /*firm_cfg_version,  25,        */
3826           if(acb->firm_numbers_queue > ARCMSR_MAX_HBD_POSTQUEUE)
3827                     acb->maxOutstanding = ARCMSR_MAX_HBD_POSTQUEUE - 1;
3828           else
3829                     acb->maxOutstanding = acb->firm_numbers_queue - 1;
3830 }
3831 /*
3832 **********************************************************************
3833 **********************************************************************
3834 */
arcmsr_get_hbe_config(struct AdapterControlBlock * acb)3835 static void arcmsr_get_hbe_config(struct AdapterControlBlock *acb)
3836 {
3837           char *acb_firm_model = acb->firm_model;
3838           char *acb_firm_version = acb->firm_version;
3839           char *acb_device_map = acb->device_map;
3840           size_t iop_firm_model = offsetof(struct HBE_MessageUnit,msgcode_rwbuffer[ARCMSR_FW_MODEL_OFFSET]);   /*firm_model,15,60-67*/
3841           size_t iop_firm_version = offsetof(struct HBE_MessageUnit,msgcode_rwbuffer[ARCMSR_FW_VERS_OFFSET]); /*firm_version,17,68-83*/
3842           size_t iop_device_map = offsetof(struct HBE_MessageUnit,msgcode_rwbuffer[ARCMSR_FW_DEVMAP_OFFSET]);
3843           int i;
3844 
3845           CHIP_REG_WRITE32(HBE_MessageUnit, 0, inbound_msgaddr0, ARCMSR_INBOUND_MESG0_GET_CONFIG);
3846           acb->out_doorbell ^= ARCMSR_HBEMU_DRV2IOP_MESSAGE_CMD_DONE;
3847           CHIP_REG_WRITE32(HBE_MessageUnit, 0, iobound_doorbell, acb->out_doorbell);
3848           if(!arcmsr_hbe_wait_msgint_ready(acb)) {
3849                     kprintf("arcmsr%d: wait 'get adapter firmware miscellaneous data' timeout \n", acb->pci_unit);
3850           }
3851 
3852           i = 0;
3853           while(i < 8) {
3854                     *acb_firm_model = bus_space_read_1(acb->btag[0], acb->bhandle[0], iop_firm_model+i);
3855                     /* 8 bytes firm_model, 15, 60-67*/
3856                     acb_firm_model++;
3857                     i++;
3858           }
3859           i = 0;
3860           while(i < 16) {
3861                     *acb_firm_version = bus_space_read_1(acb->btag[0], acb->bhandle[0], iop_firm_version+i);
3862                     /* 16 bytes firm_version, 17, 68-83*/
3863                     acb_firm_version++;
3864                     i++;
3865           }
3866           i = 0;
3867           while(i < 16) {
3868                     *acb_device_map = bus_space_read_1(acb->btag[0], acb->bhandle[0], iop_device_map+i);
3869                     acb_device_map++;
3870                     i++;
3871           }
3872           kprintf("Areca RAID adapter%d: %s F/W version %s \n", acb->pci_unit, acb->firm_model, acb->firm_version);
3873           acb->firm_request_len         = CHIP_REG_READ32(HBE_MessageUnit, 0, msgcode_rwbuffer[1]); /*firm_request_len,   1, 04-07*/
3874           acb->firm_numbers_queue       = CHIP_REG_READ32(HBE_MessageUnit, 0, msgcode_rwbuffer[2]); /*firm_numbers_queue, 2, 08-11*/
3875           acb->firm_sdram_size          = CHIP_REG_READ32(HBE_MessageUnit, 0, msgcode_rwbuffer[3]); /*firm_sdram_size,    3, 12-15*/
3876           acb->firm_ide_channels        = CHIP_REG_READ32(HBE_MessageUnit, 0, msgcode_rwbuffer[4]); /*firm_ide_channels,  4, 16-19*/
3877           acb->firm_cfg_version         = CHIP_REG_READ32(HBE_MessageUnit, 0, msgcode_rwbuffer[ARCMSR_FW_CFGVER_OFFSET]);         /*firm_cfg_version,  25,        */
3878           if(acb->firm_numbers_queue > ARCMSR_MAX_OUTSTANDING_CMD)
3879                     acb->maxOutstanding = ARCMSR_MAX_OUTSTANDING_CMD - 1;
3880           else
3881                     acb->maxOutstanding = acb->firm_numbers_queue - 1;
3882 }
3883 /*
3884 **********************************************************************
3885 **********************************************************************
3886 */
arcmsr_get_firmware_spec(struct AdapterControlBlock * acb)3887 static void arcmsr_get_firmware_spec(struct AdapterControlBlock *acb)
3888 {
3889           switch (acb->adapter_type) {
3890           case ACB_ADAPTER_TYPE_A: {
3891                               arcmsr_get_hba_config(acb);
3892                     }
3893                     break;
3894           case ACB_ADAPTER_TYPE_B: {
3895                               arcmsr_get_hbb_config(acb);
3896                     }
3897                     break;
3898           case ACB_ADAPTER_TYPE_C: {
3899                               arcmsr_get_hbc_config(acb);
3900                     }
3901                     break;
3902           case ACB_ADAPTER_TYPE_D: {
3903                               arcmsr_get_hbd_config(acb);
3904                     }
3905                     break;
3906           case ACB_ADAPTER_TYPE_E: {
3907                               arcmsr_get_hbe_config(acb);
3908                     }
3909                     break;
3910           }
3911 }
3912 /*
3913 **********************************************************************
3914 **********************************************************************
3915 */
arcmsr_wait_firmware_ready(struct AdapterControlBlock * acb)3916 static void arcmsr_wait_firmware_ready( struct AdapterControlBlock *acb)
3917 {
3918           int       timeout=0;
3919 
3920           switch (acb->adapter_type) {
3921           case ACB_ADAPTER_TYPE_A: {
3922                               while ((CHIP_REG_READ32(HBA_MessageUnit, 0, outbound_msgaddr1) & ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK) == 0)
3923                               {
3924                                         if (timeout++ > 2000) /* (2000*15)/1000 = 30 sec */
3925                                         {
3926                                                   kprintf( "arcmsr%d:timed out waiting for firmware \n", acb->pci_unit);
3927                                                   return;
3928                                         }
3929                                         UDELAY(15000); /* wait 15 milli-seconds */
3930                               }
3931                     }
3932                     break;
3933           case ACB_ADAPTER_TYPE_B: {
3934                               struct HBB_MessageUnit *phbbmu = (struct HBB_MessageUnit *)acb->pmu;
3935                               while ((READ_CHIP_REG32(0, phbbmu->iop2drv_doorbell) & ARCMSR_MESSAGE_FIRMWARE_OK) == 0)
3936                               {
3937                                         if (timeout++ > 2000) /* (2000*15)/1000 = 30 sec */
3938                                         {
3939                                                   kprintf( "arcmsr%d: timed out waiting for firmware \n", acb->pci_unit);
3940                                                   return;
3941                                         }
3942                                         UDELAY(15000); /* wait 15 milli-seconds */
3943                               }
3944                               WRITE_CHIP_REG32(0, phbbmu->drv2iop_doorbell, ARCMSR_DRV2IOP_END_OF_INTERRUPT);
3945                     }
3946                     break;
3947           case ACB_ADAPTER_TYPE_C: {
3948                               while ((CHIP_REG_READ32(HBC_MessageUnit, 0, outbound_msgaddr1) & ARCMSR_HBCMU_MESSAGE_FIRMWARE_OK) == 0)
3949                               {
3950                                         if (timeout++ > 2000) /* (2000*15)/1000 = 30 sec */
3951                                         {
3952                                                   kprintf( "arcmsr%d:timed out waiting for firmware ready\n", acb->pci_unit);
3953                                                   return;
3954                                         }
3955                                         UDELAY(15000); /* wait 15 milli-seconds */
3956                               }
3957                     }
3958                     break;
3959           case ACB_ADAPTER_TYPE_D: {
3960                               while ((CHIP_REG_READ32(HBD_MessageUnit, 0, outbound_msgaddr1) & ARCMSR_HBDMU_MESSAGE_FIRMWARE_OK) == 0)
3961                               {
3962                                         if (timeout++ > 2000) /* (2000*15)/1000 = 30 sec */
3963                                         {
3964                                                   kprintf( "arcmsr%d:timed out waiting for firmware ready\n", acb->pci_unit);
3965                                                   return;
3966                                         }
3967                                         UDELAY(15000); /* wait 15 milli-seconds */
3968                               }
3969                     }
3970                     break;
3971           case ACB_ADAPTER_TYPE_E: {
3972                               while ((CHIP_REG_READ32(HBE_MessageUnit, 0, outbound_msgaddr1) & ARCMSR_HBEMU_MESSAGE_FIRMWARE_OK) == 0)
3973                               {
3974                                         if (timeout++ > 4000) /* (4000*15)/1000 = 60 sec */
3975                                         {
3976                                                   kprintf( "arcmsr%d:timed out waiting for firmware ready\n", acb->pci_unit);
3977                                                   return;
3978                                         }
3979                                         UDELAY(15000); /* wait 15 milli-seconds */
3980                               }
3981                     }
3982                     break;
3983           }
3984 }
3985 /*
3986 **********************************************************************
3987 **********************************************************************
3988 */
arcmsr_clear_doorbell_queue_buffer(struct AdapterControlBlock * acb)3989 static void arcmsr_clear_doorbell_queue_buffer( struct AdapterControlBlock *acb)
3990 {
3991           u_int32_t outbound_doorbell;
3992 
3993           switch (acb->adapter_type) {
3994           case ACB_ADAPTER_TYPE_A: {
3995                               /* empty doorbell Qbuffer if door bell ringed */
3996                               outbound_doorbell = CHIP_REG_READ32(HBA_MessageUnit, 0, outbound_doorbell);
3997                               CHIP_REG_WRITE32(HBA_MessageUnit, 0, outbound_doorbell, outbound_doorbell);     /*clear doorbell interrupt */
3998                               CHIP_REG_WRITE32(HBA_MessageUnit, 0, inbound_doorbell, ARCMSR_INBOUND_DRIVER_DATA_READ_OK);
3999                     }
4000                     break;
4001           case ACB_ADAPTER_TYPE_B: {
4002                               struct HBB_MessageUnit *phbbmu = (struct HBB_MessageUnit *)acb->pmu;
4003                               WRITE_CHIP_REG32(0, phbbmu->iop2drv_doorbell, ARCMSR_DOORBELL_INT_CLEAR_PATTERN);/*clear interrupt and message state*/
4004                               WRITE_CHIP_REG32(0, phbbmu->drv2iop_doorbell, ARCMSR_DRV2IOP_DATA_READ_OK);
4005                               /* let IOP know data has been read */
4006                     }
4007                     break;
4008           case ACB_ADAPTER_TYPE_C: {
4009                               /* empty doorbell Qbuffer if door bell ringed */
4010                               outbound_doorbell = CHIP_REG_READ32(HBC_MessageUnit, 0, outbound_doorbell);
4011                               CHIP_REG_WRITE32(HBC_MessageUnit, 0, outbound_doorbell_clear, outbound_doorbell);         /*clear doorbell interrupt */
4012                               CHIP_REG_WRITE32(HBC_MessageUnit, 0, inbound_doorbell, ARCMSR_HBCMU_DRV2IOP_DATA_READ_OK);
4013                               CHIP_REG_READ32(HBC_MessageUnit, 0, outbound_doorbell_clear); /* Dummy read to force pci flush */
4014                               CHIP_REG_READ32(HBC_MessageUnit, 0, inbound_doorbell); /* Dummy read to force pci flush */
4015                     }
4016                     break;
4017           case ACB_ADAPTER_TYPE_D: {
4018                               /* empty doorbell Qbuffer if door bell ringed */
4019                               outbound_doorbell = CHIP_REG_READ32(HBD_MessageUnit, 0, outbound_doorbell);
4020                               CHIP_REG_WRITE32(HBD_MessageUnit, 0, outbound_doorbell, outbound_doorbell);     /*clear doorbell interrupt */
4021                               CHIP_REG_WRITE32(HBD_MessageUnit, 0, inbound_doorbell, ARCMSR_HBDMU_DRV2IOP_DATA_OUT_READ);
4022                     }
4023                     break;
4024           case ACB_ADAPTER_TYPE_E: {
4025                               /* empty doorbell Qbuffer if door bell ringed */
4026                               acb->in_doorbell = CHIP_REG_READ32(HBE_MessageUnit, 0, iobound_doorbell);
4027                               CHIP_REG_WRITE32(HBE_MessageUnit, 0, host_int_status, 0);   /*clear doorbell interrupt */
4028                               acb->out_doorbell ^= ARCMSR_HBEMU_DRV2IOP_DATA_READ_OK;
4029                               CHIP_REG_WRITE32(HBE_MessageUnit, 0, iobound_doorbell, acb->out_doorbell);
4030                     }
4031                     break;
4032           }
4033 }
4034 /*
4035 ************************************************************************
4036 ************************************************************************
4037 */
arcmsr_iop_confirm(struct AdapterControlBlock * acb)4038 static u_int32_t arcmsr_iop_confirm(struct AdapterControlBlock *acb)
4039 {
4040           unsigned long srb_phyaddr;
4041           u_int32_t srb_phyaddr_hi32;
4042           u_int32_t srb_phyaddr_lo32;
4043 
4044           /*
4045           ********************************************************************
4046           ** here we need to tell iop 331 our freesrb.HighPart
4047           ** if freesrb.HighPart is not zero
4048           ********************************************************************
4049           */
4050           srb_phyaddr = (unsigned long) acb->srb_phyaddr.phyaddr;
4051           srb_phyaddr_hi32 = acb->srb_phyaddr.B.phyadd_high;
4052           srb_phyaddr_lo32 = acb->srb_phyaddr.B.phyadd_low;
4053           switch (acb->adapter_type) {
4054           case ACB_ADAPTER_TYPE_A: {
4055                               if(srb_phyaddr_hi32 != 0) {
4056                                         CHIP_REG_WRITE32(HBA_MessageUnit, 0, msgcode_rwbuffer[0], ARCMSR_SIGNATURE_SET_CONFIG);
4057                                         CHIP_REG_WRITE32(HBA_MessageUnit, 0, msgcode_rwbuffer[1], srb_phyaddr_hi32);
4058                                         CHIP_REG_WRITE32(HBA_MessageUnit, 0, inbound_msgaddr0, ARCMSR_INBOUND_MESG0_SET_CONFIG);
4059                                         if(!arcmsr_hba_wait_msgint_ready(acb)) {
4060                                                   kprintf( "arcmsr%d: 'set srb high part physical address' timeout \n", acb->pci_unit);
4061                                                   return FALSE;
4062                                         }
4063                               }
4064                     }
4065                     break;
4066                     /*
4067                     ***********************************************************************
4068                     **    if adapter type B, set window of "post command Q"
4069                     ***********************************************************************
4070                     */
4071           case ACB_ADAPTER_TYPE_B: {
4072                               u_int32_t post_queue_phyaddr;
4073                               struct HBB_MessageUnit *phbbmu;
4074 
4075                               phbbmu = (struct HBB_MessageUnit *)acb->pmu;
4076                               phbbmu->postq_index = 0;
4077                               phbbmu->doneq_index = 0;
4078                               WRITE_CHIP_REG32(0, phbbmu->drv2iop_doorbell, ARCMSR_MESSAGE_SET_POST_WINDOW);
4079                               if(!arcmsr_hbb_wait_msgint_ready(acb)) {
4080                                         kprintf( "arcmsr%d: 'set window of post command Q' timeout\n", acb->pci_unit);
4081                                         return FALSE;
4082                               }
4083                               post_queue_phyaddr = srb_phyaddr + ARCMSR_SRBS_POOL_SIZE
4084                                                                                 + offsetof(struct HBB_MessageUnit, post_qbuffer);
4085                               CHIP_REG_WRITE32(HBB_RWBUFFER, 1, msgcode_rwbuffer[0], ARCMSR_SIGNATURE_SET_CONFIG); /* driver "set config" signature */
4086                               CHIP_REG_WRITE32(HBB_RWBUFFER, 1, msgcode_rwbuffer[1], srb_phyaddr_hi32); /* normal should be zero */
4087                               CHIP_REG_WRITE32(HBB_RWBUFFER, 1, msgcode_rwbuffer[2], post_queue_phyaddr); /* postQ size (256+8)*4 */
4088                               CHIP_REG_WRITE32(HBB_RWBUFFER, 1, msgcode_rwbuffer[3], post_queue_phyaddr+1056); /* doneQ size (256+8)*4 */
4089                               CHIP_REG_WRITE32(HBB_RWBUFFER, 1, msgcode_rwbuffer[4], 1056); /* srb maxQ size must be --> [(256+8)*4] */
4090                               WRITE_CHIP_REG32(0, phbbmu->drv2iop_doorbell, ARCMSR_MESSAGE_SET_CONFIG);
4091                               if(!arcmsr_hbb_wait_msgint_ready(acb)) {
4092                                         kprintf( "arcmsr%d: 'set command Q window' timeout \n", acb->pci_unit);
4093                                         return FALSE;
4094                               }
4095                               WRITE_CHIP_REG32(0, phbbmu->drv2iop_doorbell, ARCMSR_MESSAGE_START_DRIVER_MODE);
4096                               if(!arcmsr_hbb_wait_msgint_ready(acb)) {
4097                                         kprintf( "arcmsr%d: 'start diver mode' timeout \n", acb->pci_unit);
4098                                         return FALSE;
4099                               }
4100                     }
4101                     break;
4102           case ACB_ADAPTER_TYPE_C: {
4103                               if(srb_phyaddr_hi32 != 0) {
4104                                         CHIP_REG_WRITE32(HBC_MessageUnit, 0, msgcode_rwbuffer[0], ARCMSR_SIGNATURE_SET_CONFIG);
4105                                         CHIP_REG_WRITE32(HBC_MessageUnit, 0, msgcode_rwbuffer[1], srb_phyaddr_hi32);
4106                                         CHIP_REG_WRITE32(HBC_MessageUnit, 0, inbound_msgaddr0, ARCMSR_INBOUND_MESG0_SET_CONFIG);
4107                                         CHIP_REG_WRITE32(HBC_MessageUnit, 0, inbound_doorbell,ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE);
4108                                         if(!arcmsr_hbc_wait_msgint_ready(acb)) {
4109                                                   kprintf( "arcmsr%d: 'set srb high part physical address' timeout \n", acb->pci_unit);
4110                                                   return FALSE;
4111                                         }
4112                               }
4113                     }
4114                     break;
4115           case ACB_ADAPTER_TYPE_D: {
4116                               u_int32_t post_queue_phyaddr, done_queue_phyaddr;
4117                               struct HBD_MessageUnit0 *phbdmu;
4118 
4119                               phbdmu = (struct HBD_MessageUnit0 *)acb->pmu;
4120                               phbdmu->postq_index = 0;
4121                               phbdmu->doneq_index = 0x40FF;
4122                               post_queue_phyaddr = srb_phyaddr_lo32 + ARCMSR_SRBS_POOL_SIZE
4123                                                                                 + offsetof(struct HBD_MessageUnit0, post_qbuffer);
4124                               done_queue_phyaddr = srb_phyaddr_lo32 + ARCMSR_SRBS_POOL_SIZE
4125                                                                                 + offsetof(struct HBD_MessageUnit0, done_qbuffer);
4126                               CHIP_REG_WRITE32(HBD_MessageUnit, 0, msgcode_rwbuffer[0], ARCMSR_SIGNATURE_SET_CONFIG); /* driver "set config" signature */
4127                               CHIP_REG_WRITE32(HBD_MessageUnit, 0, msgcode_rwbuffer[1], srb_phyaddr_hi32);
4128                               CHIP_REG_WRITE32(HBD_MessageUnit, 0, msgcode_rwbuffer[2], post_queue_phyaddr); /* postQ base */
4129                               CHIP_REG_WRITE32(HBD_MessageUnit, 0, msgcode_rwbuffer[3], done_queue_phyaddr); /* doneQ base */
4130                               CHIP_REG_WRITE32(HBD_MessageUnit, 0, msgcode_rwbuffer[4], 0x100);
4131                               CHIP_REG_WRITE32(HBD_MessageUnit, 0, inbound_msgaddr0, ARCMSR_INBOUND_MESG0_SET_CONFIG);
4132                               if(!arcmsr_hbd_wait_msgint_ready(acb)) {
4133                                         kprintf( "arcmsr%d: 'set srb high part physical address' timeout \n", acb->pci_unit);
4134                                         return FALSE;
4135                               }
4136                     }
4137                     break;
4138           case ACB_ADAPTER_TYPE_E: {
4139                               u_int32_t cdb_phyaddr_lo32;
4140                               cdb_phyaddr_lo32 = srb_phyaddr_lo32 + offsetof(struct CommandControlBlock, arcmsr_cdb);
4141                               CHIP_REG_WRITE32(HBE_MessageUnit, 0, msgcode_rwbuffer[0], ARCMSR_SIGNATURE_SET_CONFIG);
4142                               CHIP_REG_WRITE32(HBE_MessageUnit, 0, msgcode_rwbuffer[1], ARCMSR_SIGNATURE_1884);
4143                               CHIP_REG_WRITE32(HBE_MessageUnit, 0, msgcode_rwbuffer[2], cdb_phyaddr_lo32);
4144                               CHIP_REG_WRITE32(HBE_MessageUnit, 0, msgcode_rwbuffer[3], srb_phyaddr_hi32);
4145                               CHIP_REG_WRITE32(HBE_MessageUnit, 0, msgcode_rwbuffer[4], SRB_SIZE);
4146                               cdb_phyaddr_lo32 = srb_phyaddr_lo32 + ARCMSR_SRBS_POOL_SIZE;
4147                               CHIP_REG_WRITE32(HBE_MessageUnit, 0, msgcode_rwbuffer[5], cdb_phyaddr_lo32);
4148                               CHIP_REG_WRITE32(HBE_MessageUnit, 0, msgcode_rwbuffer[6], srb_phyaddr_hi32);
4149                               CHIP_REG_WRITE32(HBE_MessageUnit, 0, msgcode_rwbuffer[7], COMPLETION_Q_POOL_SIZE);
4150                               CHIP_REG_WRITE32(HBE_MessageUnit, 0, inbound_msgaddr0, ARCMSR_INBOUND_MESG0_SET_CONFIG);
4151                               acb->out_doorbell ^= ARCMSR_HBEMU_DRV2IOP_MESSAGE_CMD_DONE;
4152                               CHIP_REG_WRITE32(HBE_MessageUnit, 0, iobound_doorbell, acb->out_doorbell);
4153                               if(!arcmsr_hbe_wait_msgint_ready(acb)) {
4154                                         kprintf( "arcmsr%d: 'set srb high part physical address' timeout \n", acb->pci_unit);
4155                                         return FALSE;
4156                               }
4157                     }
4158                     break;
4159           }
4160           return (TRUE);
4161 }
4162 /*
4163 ************************************************************************
4164 ************************************************************************
4165 */
arcmsr_enable_eoi_mode(struct AdapterControlBlock * acb)4166 static void arcmsr_enable_eoi_mode(struct AdapterControlBlock *acb)
4167 {
4168           if (acb->adapter_type == ACB_ADAPTER_TYPE_B)
4169           {
4170                     struct HBB_MessageUnit *phbbmu = (struct HBB_MessageUnit *)acb->pmu;
4171                     WRITE_CHIP_REG32(0, phbbmu->drv2iop_doorbell, ARCMSR_MESSAGE_ACTIVE_EOI_MODE);
4172                     if(!arcmsr_hbb_wait_msgint_ready(acb)) {
4173                               kprintf( "arcmsr%d: 'iop enable eoi mode' timeout \n", acb->pci_unit);
4174                               return;
4175                     }
4176           }
4177 }
4178 /*
4179 **********************************************************************
4180 **********************************************************************
4181 */
arcmsr_iop_init(struct AdapterControlBlock * acb)4182 static void arcmsr_iop_init(struct AdapterControlBlock *acb)
4183 {
4184           u_int32_t intmask_org;
4185 
4186           /* disable all outbound interrupt */
4187           intmask_org = arcmsr_disable_allintr(acb);
4188           arcmsr_wait_firmware_ready(acb);
4189           arcmsr_iop_confirm(acb);
4190           arcmsr_get_firmware_spec(acb);
4191           /*start background rebuild*/
4192           arcmsr_start_adapter_bgrb(acb);
4193           /* empty doorbell Qbuffer if door bell ringed */
4194           arcmsr_clear_doorbell_queue_buffer(acb);
4195           arcmsr_enable_eoi_mode(acb);
4196           /* enable outbound Post Queue, outbound doorbell Interrupt */
4197           arcmsr_enable_allintr(acb, intmask_org);
4198           acb->acb_flags |= ACB_F_IOP_INITED;
4199 }
4200 /*
4201 **********************************************************************
4202 **********************************************************************
4203 */
arcmsr_map_free_srb(void * arg,bus_dma_segment_t * segs,int nseg,int error)4204 static void arcmsr_map_free_srb(void *arg, bus_dma_segment_t *segs, int nseg, int error)
4205 {
4206           struct AdapterControlBlock *acb = arg;
4207           struct CommandControlBlock *srb_tmp;
4208           u_int32_t i;
4209           unsigned long srb_phyaddr = (unsigned long)segs->ds_addr;
4210 
4211           acb->srb_phyaddr.phyaddr = srb_phyaddr;
4212           srb_tmp = (struct CommandControlBlock *)acb->uncacheptr;
4213           for(i=0; i < ARCMSR_MAX_FREESRB_NUM; i++) {
4214                     if(bus_dmamap_create(acb->dm_segs_dmat,
4215                                /*flags*/0, &srb_tmp->dm_segs_dmamap) != 0) {
4216                               acb->acb_flags |= ACB_F_MAPFREESRB_FAILD;
4217                               kprintf("arcmsr%d:"
4218                               " srb dmamap bus_dmamap_create error\n", acb->pci_unit);
4219                               return;
4220                     }
4221                     if((acb->adapter_type == ACB_ADAPTER_TYPE_C) || (acb->adapter_type == ACB_ADAPTER_TYPE_D)
4222                                || (acb->adapter_type == ACB_ADAPTER_TYPE_E))
4223                     {
4224                               srb_tmp->cdb_phyaddr_low = srb_phyaddr;
4225                               srb_tmp->cdb_phyaddr_high = (u_int32_t)((srb_phyaddr >> 16) >> 16);
4226                     }
4227                     else
4228                               srb_tmp->cdb_phyaddr_low = srb_phyaddr >> 5;
4229                     srb_tmp->acb = acb;
4230                     srb_tmp->smid = i << 16;
4231                     acb->srbworkingQ[i] = acb->psrb_pool[i] = srb_tmp;
4232                     srb_phyaddr = srb_phyaddr + SRB_SIZE;
4233                     srb_tmp = (struct CommandControlBlock *)((unsigned long)srb_tmp + SRB_SIZE);
4234           }
4235           acb->pCompletionQ = (pCompletion_Q)srb_tmp;
4236           acb->vir2phy_offset = (unsigned long)srb_tmp - (unsigned long)srb_phyaddr;
4237 }
4238 /*
4239 ************************************************************************
4240 ************************************************************************
4241 */
arcmsr_free_resource(struct AdapterControlBlock * acb)4242 static void arcmsr_free_resource(struct AdapterControlBlock *acb)
4243 {
4244           /* remove the control device */
4245           if(acb->ioctl_dev != NULL) {
4246                     destroy_dev(acb->ioctl_dev);
4247           }
4248           bus_dmamap_unload(acb->srb_dmat, acb->srb_dmamap);
4249           bus_dmamap_destroy(acb->srb_dmat, acb->srb_dmamap);
4250           bus_dma_tag_destroy(acb->srb_dmat);
4251           bus_dma_tag_destroy(acb->dm_segs_dmat);
4252           bus_dma_tag_destroy(acb->parent_dmat);
4253 }
4254 /*
4255 ************************************************************************
4256 ************************************************************************
4257 */
arcmsr_mutex_init(struct AdapterControlBlock * acb)4258 static void arcmsr_mutex_init(struct AdapterControlBlock *acb)
4259 {
4260           ARCMSR_LOCK_INIT(&acb->isr_lock, "arcmsr isr lock");
4261           ARCMSR_LOCK_INIT(&acb->srb_lock, "arcmsr srb lock");
4262           ARCMSR_LOCK_INIT(&acb->postDone_lock, "arcmsr postQ lock");
4263           ARCMSR_LOCK_INIT(&acb->qbuffer_lock, "arcmsr RW buffer lock");
4264           ARCMSR_LOCK_INIT(&acb->io_lock, "arcmsr io lock");
4265           ARCMSR_LOCK_INIT(&acb->sim_lock, "arcmsr sim lock");
4266 }
4267 /*
4268 ************************************************************************
4269 ************************************************************************
4270 */
arcmsr_mutex_destroy(struct AdapterControlBlock * acb)4271 static void arcmsr_mutex_destroy(struct AdapterControlBlock *acb)
4272 {
4273           ARCMSR_LOCK_DESTROY(&acb->sim_lock);
4274           ARCMSR_LOCK_DESTROY(&acb->io_lock);
4275           ARCMSR_LOCK_DESTROY(&acb->qbuffer_lock);
4276           ARCMSR_LOCK_DESTROY(&acb->postDone_lock);
4277           ARCMSR_LOCK_DESTROY(&acb->srb_lock);
4278           ARCMSR_LOCK_DESTROY(&acb->isr_lock);
4279 }
4280 /*
4281 ************************************************************************
4282 ************************************************************************
4283 */
arcmsr_initialize(device_t dev)4284 static u_int32_t arcmsr_initialize(device_t dev)
4285 {
4286           struct AdapterControlBlock *acb = device_get_softc(dev);
4287           u_int16_t pci_command;
4288           int i, j,max_coherent_size;
4289           u_int32_t vendor_dev_id;
4290 
4291           vendor_dev_id = pci_get_devid(dev);
4292           acb->vendor_device_id = vendor_dev_id;
4293           acb->sub_device_id = pci_read_config(dev, PCIR_SUBDEV_0, 2);
4294           switch (vendor_dev_id) {
4295           case PCIDevVenIDARC1880:
4296           case PCIDevVenIDARC1882:
4297           case PCIDevVenIDARC1213:
4298           case PCIDevVenIDARC1223: {
4299                               acb->adapter_type = ACB_ADAPTER_TYPE_C;
4300                               if ((acb->sub_device_id == ARECA_SUB_DEV_ID_1883) ||
4301                                   (acb->sub_device_id == ARECA_SUB_DEV_ID_1216) ||
4302                                   (acb->sub_device_id == ARECA_SUB_DEV_ID_1226))
4303                                         acb->adapter_bus_speed = ACB_BUS_SPEED_12G;
4304                               else
4305                                         acb->adapter_bus_speed = ACB_BUS_SPEED_6G;
4306                               max_coherent_size = ARCMSR_SRBS_POOL_SIZE;
4307                     }
4308                     break;
4309           case PCIDevVenIDARC1884:
4310                     acb->adapter_type = ACB_ADAPTER_TYPE_E;
4311                     acb->adapter_bus_speed = ACB_BUS_SPEED_12G;
4312                     max_coherent_size = ARCMSR_SRBS_POOL_SIZE + COMPLETION_Q_POOL_SIZE;
4313                     acb->completionQ_entry = COMPLETION_Q_POOL_SIZE / sizeof(struct deliver_completeQ);
4314                     break;
4315           case PCIDevVenIDARC1214: {
4316                               acb->adapter_type = ACB_ADAPTER_TYPE_D;
4317                               acb->adapter_bus_speed = ACB_BUS_SPEED_6G;
4318                               max_coherent_size = ARCMSR_SRBS_POOL_SIZE + (sizeof(struct HBD_MessageUnit0));
4319                     }
4320                     break;
4321           case PCIDevVenIDARC1200:
4322           case PCIDevVenIDARC1201: {
4323                               acb->adapter_type = ACB_ADAPTER_TYPE_B;
4324                               acb->adapter_bus_speed = ACB_BUS_SPEED_3G;
4325                               max_coherent_size = ARCMSR_SRBS_POOL_SIZE + (sizeof(struct HBB_MessageUnit));
4326                     }
4327                     break;
4328           case PCIDevVenIDARC1203: {
4329                               acb->adapter_type = ACB_ADAPTER_TYPE_B;
4330                               acb->adapter_bus_speed = ACB_BUS_SPEED_6G;
4331                               max_coherent_size = ARCMSR_SRBS_POOL_SIZE + (sizeof(struct HBB_MessageUnit));
4332                     }
4333                     break;
4334           case PCIDevVenIDARC1110:
4335           case PCIDevVenIDARC1120:
4336           case PCIDevVenIDARC1130:
4337           case PCIDevVenIDARC1160:
4338           case PCIDevVenIDARC1170:
4339           case PCIDevVenIDARC1210:
4340           case PCIDevVenIDARC1220:
4341           case PCIDevVenIDARC1230:
4342           case PCIDevVenIDARC1231:
4343           case PCIDevVenIDARC1260:
4344           case PCIDevVenIDARC1261:
4345           case PCIDevVenIDARC1270:
4346           case PCIDevVenIDARC1280:
4347           case PCIDevVenIDARC1212:
4348           case PCIDevVenIDARC1222:
4349           case PCIDevVenIDARC1380:
4350           case PCIDevVenIDARC1381:
4351           case PCIDevVenIDARC1680:
4352           case PCIDevVenIDARC1681: {
4353                               acb->adapter_type = ACB_ADAPTER_TYPE_A;
4354                               acb->adapter_bus_speed = ACB_BUS_SPEED_3G;
4355                               max_coherent_size = ARCMSR_SRBS_POOL_SIZE;
4356                     }
4357                     break;
4358           default: {
4359                               kprintf("arcmsr%d:"
4360                               " unknown RAID adapter type \n", device_get_unit(dev));
4361                               return ENOMEM;
4362                     }
4363           }
4364           if(bus_dma_tag_create(  /*PCI parent*/            bus_get_dma_tag(dev),
4365                                         /*alignemnt*/                 1,
4366                                         /*boundary*/                  0,
4367                                         /*lowaddr*/                   BUS_SPACE_MAXADDR,
4368                                         /*highaddr*/                  BUS_SPACE_MAXADDR,
4369                                         /*maxsize*/                   BUS_SPACE_MAXSIZE_32BIT,
4370                                         /*nsegments*/                 BUS_SPACE_UNRESTRICTED,
4371                                         /*maxsegsz*/                  BUS_SPACE_MAXSIZE_32BIT,
4372                                         /*flags*/           0,
4373                                                                       &acb->parent_dmat) != 0)
4374           {
4375                     kprintf("arcmsr%d: parent_dmat bus_dma_tag_create failure!\n", device_get_unit(dev));
4376                     return ENOMEM;
4377           }
4378           /* Create a single tag describing a region large enough to hold all of the s/g lists we will need. */
4379           if(bus_dma_tag_create(  /*parent_dmat*/           acb->parent_dmat,
4380                                         /*alignment*/                 1,
4381                                         /*boundary*/                  0,
4382                                         /*lowaddr*/                   BUS_SPACE_MAXADDR,
4383                                         /*highaddr*/                  BUS_SPACE_MAXADDR,
4384                                         /*maxsize*/                   ARCMSR_MAX_SG_ENTRIES * PAGE_SIZE * ARCMSR_MAX_FREESRB_NUM,
4385                                         /*nsegments*/                 ARCMSR_MAX_SG_ENTRIES,
4386                                         /*maxsegsz*/                  BUS_SPACE_MAXSIZE_32BIT,
4387                                         /*flags*/           0,
4388                                                                       &acb->dm_segs_dmat) != 0)
4389           {
4390                     bus_dma_tag_destroy(acb->parent_dmat);
4391                     kprintf("arcmsr%d: dm_segs_dmat bus_dma_tag_create failure!\n", device_get_unit(dev));
4392                     return ENOMEM;
4393           }
4394 
4395           /* DMA tag for our srb structures.... Allocate the freesrb memory */
4396           if(bus_dma_tag_create(  /*parent_dmat*/           acb->parent_dmat,
4397                                         /*alignment*/                 0x20,
4398                                         /*boundary*/                  0,
4399                                         /*lowaddr*/                   BUS_SPACE_MAXADDR_32BIT,
4400                                         /*highaddr*/                  BUS_SPACE_MAXADDR,
4401                                         /*maxsize*/                   max_coherent_size,
4402                                         /*nsegments*/                 1,
4403                                         /*maxsegsz*/                  BUS_SPACE_MAXSIZE_32BIT,
4404                                         /*flags*/           0,
4405                                                                       &acb->srb_dmat) != 0)
4406           {
4407                     bus_dma_tag_destroy(acb->dm_segs_dmat);
4408                     bus_dma_tag_destroy(acb->parent_dmat);
4409                     kprintf("arcmsr%d: srb_dmat bus_dma_tag_create failure!\n", device_get_unit(dev));
4410                     return ENXIO;
4411           }
4412           /* Allocation for our srbs */
4413           if(bus_dmamem_alloc(acb->srb_dmat, (void **)&acb->uncacheptr, BUS_DMA_WAITOK | BUS_DMA_COHERENT | BUS_DMA_ZERO, &acb->srb_dmamap) != 0) {
4414                     bus_dma_tag_destroy(acb->srb_dmat);
4415                     bus_dma_tag_destroy(acb->dm_segs_dmat);
4416                     bus_dma_tag_destroy(acb->parent_dmat);
4417                     kprintf("arcmsr%d: srb_dmat bus_dmamem_alloc failure!\n", device_get_unit(dev));
4418                     return ENXIO;
4419           }
4420           /* And permanently map them */
4421           if(bus_dmamap_load(acb->srb_dmat, acb->srb_dmamap, acb->uncacheptr, max_coherent_size, arcmsr_map_free_srb, acb, /*flags*/0)) {
4422                     bus_dma_tag_destroy(acb->srb_dmat);
4423                     bus_dma_tag_destroy(acb->dm_segs_dmat);
4424                     bus_dma_tag_destroy(acb->parent_dmat);
4425                     kprintf("arcmsr%d: srb_dmat bus_dmamap_load failure!\n", device_get_unit(dev));
4426                     return ENXIO;
4427           }
4428           pci_command = pci_read_config(dev, PCIR_COMMAND, 2);
4429           pci_command |= PCIM_CMD_BUSMASTEREN;
4430           pci_command |= PCIM_CMD_PERRESPEN;
4431           pci_command |= PCIM_CMD_MWRICEN;
4432           /* Enable Busmaster */
4433           pci_write_config(dev, PCIR_COMMAND, pci_command, 2);
4434           switch(acb->adapter_type) {
4435           case ACB_ADAPTER_TYPE_A: {
4436                     u_int32_t rid0 = PCIR_BAR(0);
4437                     vm_offset_t         mem_base0;
4438 
4439                     acb->sys_res_arcmsr[0] = bus_alloc_resource_any(dev,SYS_RES_MEMORY, &rid0, RF_ACTIVE);
4440                     if(acb->sys_res_arcmsr[0] == NULL) {
4441                               arcmsr_free_resource(acb);
4442                               kprintf("arcmsr%d: bus_alloc_resource failure!\n", device_get_unit(dev));
4443                               return ENOMEM;
4444                     }
4445                     if(rman_get_start(acb->sys_res_arcmsr[0]) <= 0) {
4446                               arcmsr_free_resource(acb);
4447                               kprintf("arcmsr%d: rman_get_start failure!\n", device_get_unit(dev));
4448                               return ENXIO;
4449                     }
4450                     mem_base0 = (vm_offset_t) rman_get_virtual(acb->sys_res_arcmsr[0]);
4451                     if(mem_base0 == 0) {
4452                               arcmsr_free_resource(acb);
4453                               kprintf("arcmsr%d: rman_get_virtual failure!\n", device_get_unit(dev));
4454                               return ENXIO;
4455                     }
4456                     acb->btag[0] = rman_get_bustag(acb->sys_res_arcmsr[0]);
4457                     acb->bhandle[0] = rman_get_bushandle(acb->sys_res_arcmsr[0]);
4458                     acb->pmu = (struct MessageUnit_UNION *)mem_base0;
4459                     acb->rid[0] = rid0;
4460                     }
4461                     break;
4462           case ACB_ADAPTER_TYPE_B: {
4463                     struct HBB_MessageUnit *phbbmu;
4464                     struct CommandControlBlock *freesrb;
4465                     u_int32_t rid[]={ PCIR_BAR(0), PCIR_BAR(2) };
4466                     vm_offset_t         mem_base[]={0,0};
4467                     u_long    size;
4468                     if (vendor_dev_id == PCIDevVenIDARC1203)
4469                               size = sizeof(struct HBB_DOORBELL_1203);
4470                     else
4471                               size = sizeof(struct HBB_DOORBELL);
4472                     for(i=0; i < 2; i++) {
4473                               acb->sys_res_arcmsr[i] = bus_alloc_resource_any(dev,SYS_RES_MEMORY, &rid[i], RF_ACTIVE);
4474                               if(acb->sys_res_arcmsr[i] == NULL) {
4475                                         arcmsr_free_resource(acb);
4476                                         kprintf("arcmsr%d: bus_alloc_resource %d failure!\n", device_get_unit(dev), i);
4477                                         return ENOMEM;
4478                               }
4479                               if(rman_get_start(acb->sys_res_arcmsr[i]) <= 0) {
4480                                         arcmsr_free_resource(acb);
4481                                         kprintf("arcmsr%d: rman_get_start %d failure!\n", device_get_unit(dev), i);
4482                                         return ENXIO;
4483                               }
4484                               mem_base[i] = (vm_offset_t) rman_get_virtual(acb->sys_res_arcmsr[i]);
4485                               if(mem_base[i] == 0) {
4486                                         arcmsr_free_resource(acb);
4487                                         kprintf("arcmsr%d: rman_get_virtual %d failure!\n", device_get_unit(dev), i);
4488                                         return ENXIO;
4489                               }
4490                               acb->btag[i] = rman_get_bustag(acb->sys_res_arcmsr[i]);
4491                               acb->bhandle[i] = rman_get_bushandle(acb->sys_res_arcmsr[i]);
4492                     }
4493                     freesrb = (struct CommandControlBlock *)acb->uncacheptr;
4494                     acb->pmu = (struct MessageUnit_UNION *)((unsigned long)freesrb+ARCMSR_SRBS_POOL_SIZE);
4495                     phbbmu = (struct HBB_MessageUnit *)acb->pmu;
4496                     phbbmu->hbb_doorbell = (struct HBB_DOORBELL *)mem_base[0];
4497                     phbbmu->hbb_rwbuffer = (struct HBB_RWBUFFER *)mem_base[1];
4498                     if (vendor_dev_id == PCIDevVenIDARC1203) {
4499                               phbbmu->drv2iop_doorbell = offsetof(struct HBB_DOORBELL_1203, drv2iop_doorbell);
4500                               phbbmu->drv2iop_doorbell_mask = offsetof(struct HBB_DOORBELL_1203, drv2iop_doorbell_mask);
4501                               phbbmu->iop2drv_doorbell = offsetof(struct HBB_DOORBELL_1203, iop2drv_doorbell);
4502                               phbbmu->iop2drv_doorbell_mask = offsetof(struct HBB_DOORBELL_1203, iop2drv_doorbell_mask);
4503                     } else {
4504                               phbbmu->drv2iop_doorbell = offsetof(struct HBB_DOORBELL, drv2iop_doorbell);
4505                               phbbmu->drv2iop_doorbell_mask = offsetof(struct HBB_DOORBELL, drv2iop_doorbell_mask);
4506                               phbbmu->iop2drv_doorbell = offsetof(struct HBB_DOORBELL, iop2drv_doorbell);
4507                               phbbmu->iop2drv_doorbell_mask = offsetof(struct HBB_DOORBELL, iop2drv_doorbell_mask);
4508                     }
4509                     acb->rid[0] = rid[0];
4510                     acb->rid[1] = rid[1];
4511                     }
4512                     break;
4513           case ACB_ADAPTER_TYPE_C: {
4514                     u_int32_t rid0 = PCIR_BAR(1);
4515                     vm_offset_t         mem_base0;
4516 
4517                     acb->sys_res_arcmsr[0] = bus_alloc_resource_any(dev,SYS_RES_MEMORY, &rid0, RF_ACTIVE);
4518                     if(acb->sys_res_arcmsr[0] == NULL) {
4519                               arcmsr_free_resource(acb);
4520                               kprintf("arcmsr%d: bus_alloc_resource failure!\n", device_get_unit(dev));
4521                               return ENOMEM;
4522                     }
4523                     if(rman_get_start(acb->sys_res_arcmsr[0]) <= 0) {
4524                               arcmsr_free_resource(acb);
4525                               kprintf("arcmsr%d: rman_get_start failure!\n", device_get_unit(dev));
4526                               return ENXIO;
4527                     }
4528                     mem_base0 = (vm_offset_t) rman_get_virtual(acb->sys_res_arcmsr[0]);
4529                     if(mem_base0 == 0) {
4530                               arcmsr_free_resource(acb);
4531                               kprintf("arcmsr%d: rman_get_virtual failure!\n", device_get_unit(dev));
4532                               return ENXIO;
4533                     }
4534                     acb->btag[0] = rman_get_bustag(acb->sys_res_arcmsr[0]);
4535                     acb->bhandle[0] = rman_get_bushandle(acb->sys_res_arcmsr[0]);
4536                     acb->pmu = (struct MessageUnit_UNION *)mem_base0;
4537                     acb->rid[0] = rid0;
4538                     }
4539                     break;
4540           case ACB_ADAPTER_TYPE_D: {
4541                     struct HBD_MessageUnit0 *phbdmu;
4542                     u_int32_t rid0 = PCIR_BAR(0);
4543                     vm_offset_t         mem_base0;
4544 
4545                     acb->sys_res_arcmsr[0] = bus_alloc_resource_any(dev,SYS_RES_MEMORY, &rid0, RF_ACTIVE);
4546                     if(acb->sys_res_arcmsr[0] == NULL) {
4547                               arcmsr_free_resource(acb);
4548                               kprintf("arcmsr%d: bus_alloc_resource failure!\n", device_get_unit(dev));
4549                               return ENOMEM;
4550                     }
4551                     if(rman_get_start(acb->sys_res_arcmsr[0]) <= 0) {
4552                               arcmsr_free_resource(acb);
4553                               kprintf("arcmsr%d: rman_get_start failure!\n", device_get_unit(dev));
4554                               return ENXIO;
4555                     }
4556                     mem_base0 = (vm_offset_t) rman_get_virtual(acb->sys_res_arcmsr[0]);
4557                     if(mem_base0 == 0) {
4558                               arcmsr_free_resource(acb);
4559                               kprintf("arcmsr%d: rman_get_virtual failure!\n", device_get_unit(dev));
4560                               return ENXIO;
4561                     }
4562                     acb->btag[0] = rman_get_bustag(acb->sys_res_arcmsr[0]);
4563                     acb->bhandle[0] = rman_get_bushandle(acb->sys_res_arcmsr[0]);
4564                     acb->pmu = (struct MessageUnit_UNION *)((unsigned long)acb->uncacheptr+ARCMSR_SRBS_POOL_SIZE);
4565                     phbdmu = (struct HBD_MessageUnit0 *)acb->pmu;
4566                     phbdmu->phbdmu = (struct HBD_MessageUnit *)mem_base0;
4567                     acb->rid[0] = rid0;
4568                     }
4569                     break;
4570           case ACB_ADAPTER_TYPE_E: {
4571                     u_int32_t rid0 = PCIR_BAR(1);
4572                     vm_offset_t         mem_base0;
4573 
4574                     acb->sys_res_arcmsr[0] = bus_alloc_resource(dev,SYS_RES_MEMORY, &rid0, 0ul, ~0ul, sizeof(struct HBE_MessageUnit), RF_ACTIVE);
4575                     if(acb->sys_res_arcmsr[0] == NULL) {
4576                               arcmsr_free_resource(acb);
4577                               kprintf("arcmsr%d: bus_alloc_resource failure!\n", device_get_unit(dev));
4578                               return ENOMEM;
4579                     }
4580                     if(rman_get_start(acb->sys_res_arcmsr[0]) <= 0) {
4581                               arcmsr_free_resource(acb);
4582                               kprintf("arcmsr%d: rman_get_start failure!\n", device_get_unit(dev));
4583                               return ENXIO;
4584                     }
4585                     mem_base0 = (vm_offset_t) rman_get_virtual(acb->sys_res_arcmsr[0]);
4586                     if(mem_base0 == 0) {
4587                               arcmsr_free_resource(acb);
4588                               kprintf("arcmsr%d: rman_get_virtual failure!\n", device_get_unit(dev));
4589                               return ENXIO;
4590                     }
4591                     acb->btag[0] = rman_get_bustag(acb->sys_res_arcmsr[0]);
4592                     acb->bhandle[0] = rman_get_bushandle(acb->sys_res_arcmsr[0]);
4593                     acb->pmu = (struct MessageUnit_UNION *)mem_base0;
4594                     acb->doneq_index = 0;
4595                     acb->in_doorbell = 0;
4596                     acb->out_doorbell = 0;
4597                     acb->rid[0] = rid0;
4598                     CHIP_REG_WRITE32(HBE_MessageUnit, 0, host_int_status, 0); /*clear interrupt*/
4599                     CHIP_REG_WRITE32(HBE_MessageUnit, 0, iobound_doorbell, ARCMSR_HBEMU_DOORBELL_SYNC); /* synchronize doorbell to 0 */
4600                     }
4601                     break;
4602           }
4603           if(acb->acb_flags & ACB_F_MAPFREESRB_FAILD) {
4604                     arcmsr_free_resource(acb);
4605                     kprintf("arcmsr%d: map free srb failure!\n", device_get_unit(dev));
4606                     return ENXIO;
4607           }
4608           acb->acb_flags  |= (ACB_F_MESSAGE_WQBUFFER_CLEARED|ACB_F_MESSAGE_RQBUFFER_CLEARED|ACB_F_MESSAGE_WQBUFFER_READ);
4609           acb->acb_flags &= ~ACB_F_SCSISTOPADAPTER;
4610           /*
4611           ********************************************************************
4612           ** init raid volume state
4613           ********************************************************************
4614           */
4615           for(i=0; i < ARCMSR_MAX_TARGETID; i++) {
4616                     for(j=0; j < ARCMSR_MAX_TARGETLUN; j++) {
4617                               acb->devstate[i][j] = ARECA_RAID_GONE;
4618                     }
4619           }
4620           arcmsr_iop_init(acb);
4621           return(0);
4622 }
4623 
4624 /*
4625 ************************************************************************
4626 ************************************************************************
4627 */
arcmsr_teardown_intr(device_t dev,struct AdapterControlBlock * acb)4628 static void arcmsr_teardown_intr(device_t dev, struct AdapterControlBlock *acb)
4629 {
4630           int i;
4631 
4632           if (acb->acb_flags & ACB_F_MSIX_ENABLED) {
4633                     for (i = 0; i < acb->msix_vectors; i++) {
4634                               if (acb->ih[i])
4635                                         bus_teardown_intr(dev, acb->irqres[i], acb->ih[i]);
4636                     //        if (acb->irqres[i] != NULL)
4637                     //                  bus_release_resource(dev, SYS_RES_IRQ,
4638                     //                      acb->irq_id[i], acb->irqres[i]);
4639 
4640                               acb->ih[i] = NULL;
4641                     }
4642                     pci_release_msi(dev);
4643           } else {
4644                     if ((acb->ih[0] != NULL) && (acb->irqres[0] != NULL))
4645                               bus_teardown_intr(dev, acb->irqres[0], acb->ih[0]);
4646                     if (acb->irqres[0] != NULL)
4647                               bus_release_resource(dev, SYS_RES_IRQ,
4648                                   acb->irq_id[0], acb->irqres[0]);
4649                     if (acb->irq_type == PCI_INTR_TYPE_MSI)
4650                               pci_release_msi(dev);
4651                     acb->ih[0] = NULL;
4652                     acb->irqres[0] = NULL;
4653                     acb->irq_type = 0;
4654           }
4655 
4656 }
4657 /*
4658 ************************************************************************
4659 ************************************************************************
4660 */
arcmsr_attach(device_t dev)4661 static int arcmsr_attach(device_t dev)
4662 {
4663           struct AdapterControlBlock *acb=(struct AdapterControlBlock *)device_get_softc(dev);
4664           u_int32_t unit=device_get_unit(dev);
4665           union ccb *ccb;
4666           struct cam_devq     *devq;    /* Device Queue to use for this SIM */
4667           struct resource     *irqres;
4668           u_int irq_flags;
4669 
4670           if(acb == NULL) {
4671                     kprintf("arcmsr%d: cannot allocate softc\n", unit);
4672                     return (ENOMEM);
4673           }
4674           arcmsr_mutex_init(acb);
4675           acb->pci_dev = dev;
4676           acb->pci_unit = unit;
4677           if(arcmsr_initialize(dev)) {
4678                     kprintf("arcmsr%d: initialize failure!\n", unit);
4679                     goto initialize_failed;
4680           }
4681           /* After setting up the adapter, map our interrupt */
4682           acb->irq_id[0] = 0;
4683           acb->irq_type = pci_alloc_1intr(dev, arcmsr_msi_enable, &acb->irq_id[0], &irq_flags);
4684           irqres = bus_alloc_resource_any(dev, SYS_RES_IRQ, &acb->irq_id[0], irq_flags);
4685           if(irqres == NULL ) {
4686                     kprintf("arcmsr%d: unable to alloc interrupt resource!\n", unit);
4687                     goto alloc_intr_failed;
4688           }
4689           if(bus_setup_intr(dev, irqres, INTR_MPSAFE, arcmsr_intr_handler, acb, &acb->ih[0], NULL)) {
4690                     kprintf("arcmsr%d: unable to setup interrupt handler!\n", unit);
4691                     goto setup_intr_failed;
4692           }
4693           acb->irqres[0] = irqres;
4694           /*
4695            * Now let the CAM generic SCSI layer find the SCSI devices on
4696            * the bus *  start queue to reset to the idle loop. *
4697            * Create device queue of SIM(s) *  (MAX_START_JOB - 1) :
4698            * max_sim_transactions
4699           */
4700           devq = cam_simq_alloc(acb->maxOutstanding);
4701           if(devq == NULL) {
4702                     kprintf("arcmsr%d: cam_simq_alloc failure!\n", unit);
4703                     goto simq_alloc_failed;
4704           }
4705           acb->psim = cam_sim_alloc(arcmsr_action, arcmsr_poll, "arcmsr", acb, unit, &acb->isr_lock, 1, ARCMSR_MAX_OUTSTANDING_CMD, devq);
4706           cam_simq_release(devq);
4707           if(acb->psim == NULL) {
4708                     kprintf("arcmsr%d: cam_sim_alloc failure!\n", unit);
4709                     goto sim_alloc_failed;
4710           }
4711           ARCMSR_LOCK_ACQUIRE(&acb->isr_lock);
4712           if(xpt_bus_register(acb->psim, 0) != CAM_SUCCESS) {
4713                     kprintf("arcmsr%d: xpt_bus_register failure!\n", unit);
4714                     goto xpt_bus_failed;
4715           }
4716           if ((ccb = xpt_alloc_ccb()) == NULL) {
4717                     kprintf("arcmsr%d: xpt_alloc_ccb failure!\n", unit);
4718                     goto xpt_ccb_failed;
4719           }
4720           if(xpt_create_path(&ccb->ccb_h.path, xpt_periph, cam_sim_path(acb->psim), CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
4721                     kprintf("arcmsr%d: xpt_create_path failure!\n", unit);
4722                     goto xpt_path_failed;
4723           }
4724           /*
4725           ****************************************************
4726           */
4727           xpt_setup_ccb(&ccb->ccb_h, ccb->ccb_h.path, /*priority*/5);
4728           ccb->ccb_h.func_code = XPT_SCAN_BUS;
4729           ccb->ccb_h.cbfcnp = arcmsr_rescanLun_cb;
4730           ccb->crcn.flags = CAM_FLAG_NONE;
4731           xpt_action(ccb);
4732           ARCMSR_LOCK_RELEASE(&acb->isr_lock);
4733 
4734           /* Create the control device.  */
4735           acb->ioctl_dev = make_dev(&arcmsr_ops, unit, UID_ROOT, GID_WHEEL /* GID_OPERATOR */, S_IRUSR | S_IWUSR, "arcmsr%d", unit);
4736           acb->ioctl_dev->si_drv1 = acb;
4737           (void)make_dev_alias(acb->ioctl_dev, "arc%d", unit);
4738           arcmsr_callout_init(&acb->devmap_callout);
4739           callout_reset(&acb->devmap_callout, 60 * hz, arcmsr_polling_devmap, acb);
4740           return (0);
4741 
4742 xpt_path_failed:
4743         xpt_free_ccb(&ccb->ccb_h);
4744 xpt_ccb_failed:
4745           xpt_bus_deregister(cam_sim_path(acb->psim));
4746 xpt_bus_failed:
4747           ARCMSR_LOCK_RELEASE(&acb->isr_lock);
4748           cam_sim_free(acb->psim);
4749 sim_alloc_failed:
4750           cam_simq_release(devq);
4751 simq_alloc_failed:
4752           arcmsr_teardown_intr(dev, acb);
4753 setup_intr_failed:
4754           arcmsr_free_resource(acb);
4755           bus_release_resource(dev, SYS_RES_IRQ, acb->irq_id[0], irqres);
4756 alloc_intr_failed:
4757           if (acb->irq_type == PCI_INTR_TYPE_MSI)
4758                     pci_release_msi(dev);
4759 initialize_failed:
4760           arcmsr_mutex_destroy(acb);
4761           return ENXIO;
4762 }
4763 
4764 /*
4765 ************************************************************************
4766 ************************************************************************
4767 */
arcmsr_probe(device_t dev)4768 static int arcmsr_probe(device_t dev)
4769 {
4770           u_int32_t id;
4771           u_int16_t sub_device_id;
4772           static char buf[256];
4773           char x_type[]={"unknown"};
4774           char *type;
4775           int raid6 = 1;
4776 
4777           if (pci_get_vendor(dev) != PCI_VENDOR_ID_ARECA) {
4778                     return (ENXIO);
4779           }
4780           sub_device_id = pci_read_config(dev, PCIR_SUBDEV_0, 2);
4781           switch(id = pci_get_devid(dev)) {
4782           case PCIDevVenIDARC1110:
4783           case PCIDevVenIDARC1200:
4784           case PCIDevVenIDARC1201:
4785           case PCIDevVenIDARC1210:
4786                     raid6 = 0;
4787                     /*FALLTHRU*/
4788           case PCIDevVenIDARC1120:
4789           case PCIDevVenIDARC1130:
4790           case PCIDevVenIDARC1160:
4791           case PCIDevVenIDARC1170:
4792           case PCIDevVenIDARC1220:
4793           case PCIDevVenIDARC1230:
4794           case PCIDevVenIDARC1231:
4795           case PCIDevVenIDARC1260:
4796           case PCIDevVenIDARC1261:
4797           case PCIDevVenIDARC1270:
4798           case PCIDevVenIDARC1280:
4799                     type = "SATA 3G";
4800                     break;
4801           case PCIDevVenIDARC1212:
4802           case PCIDevVenIDARC1222:
4803           case PCIDevVenIDARC1380:
4804           case PCIDevVenIDARC1381:
4805           case PCIDevVenIDARC1680:
4806           case PCIDevVenIDARC1681:
4807                     type = "SAS 3G";
4808                     break;
4809           case PCIDevVenIDARC1880:
4810           case PCIDevVenIDARC1882:
4811           case PCIDevVenIDARC1213:
4812           case PCIDevVenIDARC1223:
4813                     if ((sub_device_id == ARECA_SUB_DEV_ID_1883) ||
4814                         (sub_device_id == ARECA_SUB_DEV_ID_1216) ||
4815                         (sub_device_id == ARECA_SUB_DEV_ID_1226))
4816                               type = "SAS 12G";
4817                     else
4818                               type = "SAS 6G";
4819                     arcmsr_msi_enable = 0;
4820                     break;
4821           case PCIDevVenIDARC1884:
4822                     type = "SAS 12G";
4823                     arcmsr_msi_enable = 0;
4824                     break;
4825           case PCIDevVenIDARC1214:
4826                     arcmsr_msi_enable = 0;
4827           case PCIDevVenIDARC1203:
4828                     type = "SATA 6G";
4829                     break;
4830           default:
4831                     type = x_type;
4832                     raid6 = 0;
4833                     break;
4834           }
4835           if(type == x_type)
4836                     return(ENXIO);
4837           ksprintf(buf, "Areca %s Host Adapter RAID Controller %s\n%s\n",
4838                     type, raid6 ? "(RAID6 capable)" : "", ARCMSR_DRIVER_VERSION);
4839           device_set_desc_copy(dev, buf);
4840           return (BUS_PROBE_DEFAULT);
4841 }
4842 /*
4843 ************************************************************************
4844 ************************************************************************
4845 */
arcmsr_shutdown(device_t dev)4846 static int arcmsr_shutdown(device_t dev)
4847 {
4848           u_int32_t  i;
4849           struct CommandControlBlock *srb;
4850           struct AdapterControlBlock *acb=(struct AdapterControlBlock *)device_get_softc(dev);
4851 
4852           /* stop adapter background rebuild */
4853           ARCMSR_LOCK_ACQUIRE(&acb->isr_lock);
4854           /* disable all outbound interrupt */
4855           arcmsr_disable_allintr(acb);
4856           arcmsr_stop_adapter_bgrb(acb);
4857           arcmsr_flush_adapter_cache(acb);
4858           /* abort all outstanding command */
4859           acb->acb_flags |= ACB_F_SCSISTOPADAPTER;
4860           acb->acb_flags &= ~ACB_F_IOP_INITED;
4861           if(acb->srboutstandingcount != 0) {
4862                     /*clear and abort all outbound posted Q*/
4863                     arcmsr_done4abort_postqueue(acb);
4864                     /* talk to iop 331 outstanding command aborted*/
4865                     arcmsr_abort_allcmd(acb);
4866                     for(i=0; i < ARCMSR_MAX_FREESRB_NUM; i++) {
4867                               srb = acb->psrb_pool[i];
4868                               if(srb->srb_state == ARCMSR_SRB_START) {
4869                                         srb->srb_state = ARCMSR_SRB_ABORTED;
4870                                         srb->pccb->ccb_h.status |= CAM_REQ_ABORTED;
4871                                         arcmsr_srb_complete(srb, 1);
4872                               }
4873                     }
4874           }
4875           acb->srboutstandingcount = 0;
4876           acb->workingsrb_doneindex = 0;
4877           acb->workingsrb_startindex = 0;
4878           acb->pktRequestCount = 0;
4879           acb->pktReturnCount = 0;
4880           ARCMSR_LOCK_RELEASE(&acb->isr_lock);
4881           return (0);
4882 }
4883 /*
4884 ************************************************************************
4885 ************************************************************************
4886 */
arcmsr_detach(device_t dev)4887 static int arcmsr_detach(device_t dev)
4888 {
4889           struct AdapterControlBlock *acb=(struct AdapterControlBlock *)device_get_softc(dev);
4890           int i;
4891 
4892           callout_stop(&acb->devmap_callout);
4893           arcmsr_teardown_intr(dev, acb);
4894           arcmsr_shutdown(dev);
4895           arcmsr_free_resource(acb);
4896           for(i=0; (i < 2) && (acb->sys_res_arcmsr[i]!=NULL); i++) {
4897                     bus_release_resource(dev, SYS_RES_MEMORY, acb->rid[i], acb->sys_res_arcmsr[i]);
4898           }
4899           ARCMSR_LOCK_ACQUIRE(&acb->isr_lock);
4900           xpt_bus_deregister(cam_sim_path(acb->psim));
4901           cam_sim_free(acb->psim);
4902           ARCMSR_LOCK_RELEASE(&acb->isr_lock);
4903           arcmsr_mutex_destroy(acb);
4904           return (0);
4905 }
4906 
4907 #ifdef ARCMSR_DEBUG1
arcmsr_dump_data(struct AdapterControlBlock * acb)4908 static void arcmsr_dump_data(struct AdapterControlBlock *acb)
4909 {
4910           if((acb->pktRequestCount - acb->pktReturnCount) == 0)
4911                     return;
4912           kprintf("Command Request Count   =0x%x\n",acb->pktRequestCount);
4913           kprintf("Command Return Count    =0x%x\n",acb->pktReturnCount);
4914           kprintf("Command (Req-Rtn) Count =0x%x\n",(acb->pktRequestCount - acb->pktReturnCount));
4915           kprintf("Queued Command Count    =0x%x\n",acb->srboutstandingcount);
4916 }
4917 #endif
4918