1 /*
2 * mr_sas.c: source for mr_sas driver
3 *
4 * Solaris MegaRAID device driver for SAS2.0 controllers
5 * Copyright (c) 2008-2012, LSI Logic Corporation.
6 * All rights reserved.
7 *
8 * Version:
9 * Author:
10 * Swaminathan K S
11 * Arun Chandrashekhar
12 * Manju R
13 * Rasheed
14 * Shakeel Bukhari
15 *
16 * Redistribution and use in source and binary forms, with or without
17 * modification, are permitted provided that the following conditions are met:
18 *
19 * 1. Redistributions of source code must retain the above copyright notice,
20 * this list of conditions and the following disclaimer.
21 *
22 * 2. Redistributions in binary form must reproduce the above copyright notice,
23 * this list of conditions and the following disclaimer in the documentation
24 * and/or other materials provided with the distribution.
25 *
26 * 3. Neither the name of the author nor the names of its contributors may be
27 * used to endorse or promote products derived from this software without
28 * specific prior written permission.
29 *
30 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
31 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
32 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
33 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
34 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
35 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
36 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
37 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
38 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
39 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
40 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
41 * DAMAGE.
42 */
43
44 /*
45 * Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
46 * Copyright (c) 2011 Bayard G. Bell. All rights reserved.
47 * Copyright 2013 Nexenta Systems, Inc. All rights reserved.
48 * Copyright 2015 Citrus IT Limited. All rights reserved.
49 * Copyright 2015 Garrett D'Amore <garrett@damore.org>
50 */
51
52 #include <sys/types.h>
53 #include <sys/param.h>
54 #include <sys/file.h>
55 #include <sys/errno.h>
56 #include <sys/open.h>
57 #include <sys/cred.h>
58 #include <sys/modctl.h>
59 #include <sys/conf.h>
60 #include <sys/devops.h>
61 #include <sys/cmn_err.h>
62 #include <sys/kmem.h>
63 #include <sys/stat.h>
64 #include <sys/mkdev.h>
65 #include <sys/pci.h>
66 #include <sys/scsi/scsi.h>
67 #include <sys/ddi.h>
68 #include <sys/sunddi.h>
69 #include <sys/atomic.h>
70 #include <sys/signal.h>
71 #include <sys/byteorder.h>
72 #include <sys/sdt.h>
73 #include <sys/fs/dv_node.h> /* devfs_clean */
74
75 #include "mr_sas.h"
76
77 /*
78 * FMA header files
79 */
80 #include <sys/ddifm.h>
81 #include <sys/fm/protocol.h>
82 #include <sys/fm/util.h>
83 #include <sys/fm/io/ddi.h>
84
85 /* Macros to help Skinny and stock 2108/MFI live together. */
86 #define WR_IB_PICK_QPORT(addr, instance) \
87 if ((instance)->skinny) { \
88 WR_IB_LOW_QPORT((addr), (instance)); \
89 WR_IB_HIGH_QPORT(0, (instance)); \
90 } else { \
91 WR_IB_QPORT((addr), (instance)); \
92 }
93
94 /*
95 * Local static data
96 */
97 static void *mrsas_state = NULL;
98 static volatile boolean_t mrsas_relaxed_ordering = B_TRUE;
99 volatile int debug_level_g = CL_NONE;
100 static volatile int msi_enable = 1;
101 static volatile int ctio_enable = 1;
102
103 /* Default Timeout value to issue online controller reset */
104 volatile int debug_timeout_g = 0xF0; /* 0xB4; */
105 /* Simulate consecutive firmware fault */
106 static volatile int debug_fw_faults_after_ocr_g = 0;
107 #ifdef OCRDEBUG
108 /* Simulate three consecutive timeout for an IO */
109 static volatile int debug_consecutive_timeout_after_ocr_g = 0;
110 #endif
111
112 #pragma weak scsi_hba_open
113 #pragma weak scsi_hba_close
114 #pragma weak scsi_hba_ioctl
115
116 /* Local static prototypes. */
117 static int mrsas_getinfo(dev_info_t *, ddi_info_cmd_t, void *, void **);
118 static int mrsas_attach(dev_info_t *, ddi_attach_cmd_t);
119 #ifdef __sparc
120 static int mrsas_reset(dev_info_t *, ddi_reset_cmd_t);
121 #else
122 static int mrsas_quiesce(dev_info_t *);
123 #endif
124 static int mrsas_detach(dev_info_t *, ddi_detach_cmd_t);
125 static int mrsas_open(dev_t *, int, int, cred_t *);
126 static int mrsas_close(dev_t, int, int, cred_t *);
127 static int mrsas_ioctl(dev_t, int, intptr_t, int, cred_t *, int *);
128
129 static int mrsas_tran_tgt_init(dev_info_t *, dev_info_t *,
130 scsi_hba_tran_t *, struct scsi_device *);
131 static struct scsi_pkt *mrsas_tran_init_pkt(struct scsi_address *, register
132 struct scsi_pkt *, struct buf *, int, int, int, int,
133 int (*)(), caddr_t);
134 static int mrsas_tran_start(struct scsi_address *,
135 register struct scsi_pkt *);
136 static int mrsas_tran_abort(struct scsi_address *, struct scsi_pkt *);
137 static int mrsas_tran_reset(struct scsi_address *, int);
138 static int mrsas_tran_getcap(struct scsi_address *, char *, int);
139 static int mrsas_tran_setcap(struct scsi_address *, char *, int, int);
140 static void mrsas_tran_destroy_pkt(struct scsi_address *,
141 struct scsi_pkt *);
142 static void mrsas_tran_dmafree(struct scsi_address *, struct scsi_pkt *);
143 static void mrsas_tran_sync_pkt(struct scsi_address *, struct scsi_pkt *);
144 static int mrsas_tran_quiesce(dev_info_t *dip);
145 static int mrsas_tran_unquiesce(dev_info_t *dip);
146 static uint_t mrsas_isr();
147 static uint_t mrsas_softintr();
148 static void mrsas_undo_resources(dev_info_t *, struct mrsas_instance *);
149
150 static void free_space_for_mfi(struct mrsas_instance *);
151 static uint32_t read_fw_status_reg_ppc(struct mrsas_instance *);
152 static void issue_cmd_ppc(struct mrsas_cmd *, struct mrsas_instance *);
153 static int issue_cmd_in_poll_mode_ppc(struct mrsas_instance *,
154 struct mrsas_cmd *);
155 static int issue_cmd_in_sync_mode_ppc(struct mrsas_instance *,
156 struct mrsas_cmd *);
157 static void enable_intr_ppc(struct mrsas_instance *);
158 static void disable_intr_ppc(struct mrsas_instance *);
159 static int intr_ack_ppc(struct mrsas_instance *);
160 static void flush_cache(struct mrsas_instance *instance);
161 void display_scsi_inquiry(caddr_t);
162 static int start_mfi_aen(struct mrsas_instance *instance);
163 static int handle_drv_ioctl(struct mrsas_instance *instance,
164 struct mrsas_ioctl *ioctl, int mode);
165 static int handle_mfi_ioctl(struct mrsas_instance *instance,
166 struct mrsas_ioctl *ioctl, int mode);
167 static int handle_mfi_aen(struct mrsas_instance *instance,
168 struct mrsas_aen *aen);
169 static struct mrsas_cmd *build_cmd(struct mrsas_instance *,
170 struct scsi_address *, struct scsi_pkt *, uchar_t *);
171 static int alloc_additional_dma_buffer(struct mrsas_instance *);
172 static void complete_cmd_in_sync_mode(struct mrsas_instance *,
173 struct mrsas_cmd *);
174 static int mrsas_kill_adapter(struct mrsas_instance *);
175 static int mrsas_issue_init_mfi(struct mrsas_instance *);
176 static int mrsas_reset_ppc(struct mrsas_instance *);
177 static uint32_t mrsas_initiate_ocr_if_fw_is_faulty(struct mrsas_instance *);
178 static int wait_for_outstanding(struct mrsas_instance *instance);
179 static int register_mfi_aen(struct mrsas_instance *instance,
180 uint32_t seq_num, uint32_t class_locale_word);
181 static int issue_mfi_pthru(struct mrsas_instance *instance, struct
182 mrsas_ioctl *ioctl, struct mrsas_cmd *cmd, int mode);
183 static int issue_mfi_dcmd(struct mrsas_instance *instance, struct
184 mrsas_ioctl *ioctl, struct mrsas_cmd *cmd, int mode);
185 static int issue_mfi_smp(struct mrsas_instance *instance, struct
186 mrsas_ioctl *ioctl, struct mrsas_cmd *cmd, int mode);
187 static int issue_mfi_stp(struct mrsas_instance *instance, struct
188 mrsas_ioctl *ioctl, struct mrsas_cmd *cmd, int mode);
189 static int abort_aen_cmd(struct mrsas_instance *instance,
190 struct mrsas_cmd *cmd_to_abort);
191
192 static void mrsas_rem_intrs(struct mrsas_instance *instance);
193 static int mrsas_add_intrs(struct mrsas_instance *instance, int intr_type);
194
195 static void mrsas_tran_tgt_free(dev_info_t *, dev_info_t *,
196 scsi_hba_tran_t *, struct scsi_device *);
197 static int mrsas_tran_bus_config(dev_info_t *, uint_t,
198 ddi_bus_config_op_t, void *, dev_info_t **);
199 static int mrsas_parse_devname(char *, int *, int *);
200 static int mrsas_config_all_devices(struct mrsas_instance *);
201 static int mrsas_config_ld(struct mrsas_instance *, uint16_t,
202 uint8_t, dev_info_t **);
203 static int mrsas_name_node(dev_info_t *, char *, int);
204 static void mrsas_issue_evt_taskq(struct mrsas_eventinfo *);
205 static void free_additional_dma_buffer(struct mrsas_instance *);
206 static void io_timeout_checker(void *);
207 static void mrsas_fm_init(struct mrsas_instance *);
208 static void mrsas_fm_fini(struct mrsas_instance *);
209
210 static struct mrsas_function_template mrsas_function_template_ppc = {
211 .read_fw_status_reg = read_fw_status_reg_ppc,
212 .issue_cmd = issue_cmd_ppc,
213 .issue_cmd_in_sync_mode = issue_cmd_in_sync_mode_ppc,
214 .issue_cmd_in_poll_mode = issue_cmd_in_poll_mode_ppc,
215 .enable_intr = enable_intr_ppc,
216 .disable_intr = disable_intr_ppc,
217 .intr_ack = intr_ack_ppc,
218 .init_adapter = mrsas_init_adapter_ppc
219 };
220
221
222 static struct mrsas_function_template mrsas_function_template_fusion = {
223 .read_fw_status_reg = tbolt_read_fw_status_reg,
224 .issue_cmd = tbolt_issue_cmd,
225 .issue_cmd_in_sync_mode = tbolt_issue_cmd_in_sync_mode,
226 .issue_cmd_in_poll_mode = tbolt_issue_cmd_in_poll_mode,
227 .enable_intr = tbolt_enable_intr,
228 .disable_intr = tbolt_disable_intr,
229 .intr_ack = tbolt_intr_ack,
230 .init_adapter = mrsas_init_adapter_tbolt
231 };
232
233
234 ddi_dma_attr_t mrsas_generic_dma_attr = {
235 DMA_ATTR_V0, /* dma_attr_version */
236 0, /* low DMA address range */
237 0xFFFFFFFFU, /* high DMA address range */
238 0xFFFFFFFFU, /* DMA counter register */
239 8, /* DMA address alignment */
240 0x07, /* DMA burstsizes */
241 1, /* min DMA size */
242 0xFFFFFFFFU, /* max DMA size */
243 0xFFFFFFFFU, /* segment boundary */
244 MRSAS_MAX_SGE_CNT, /* dma_attr_sglen */
245 512, /* granularity of device */
246 0 /* bus specific DMA flags */
247 };
248
249 int32_t mrsas_max_cap_maxxfer = 0x1000000;
250
251 /*
252 * Fix for: Thunderbolt controller IO timeout when IO write size is 1MEG,
253 * Limit size to 256K
254 */
255 uint32_t mrsas_tbolt_max_cap_maxxfer = (512 * 512);
256
257 /*
258 * cb_ops contains base level routines
259 */
260 static struct cb_ops mrsas_cb_ops = {
261 mrsas_open, /* open */
262 mrsas_close, /* close */
263 nodev, /* strategy */
264 nodev, /* print */
265 nodev, /* dump */
266 nodev, /* read */
267 nodev, /* write */
268 mrsas_ioctl, /* ioctl */
269 nodev, /* devmap */
270 nodev, /* mmap */
271 nodev, /* segmap */
272 nochpoll, /* poll */
273 nodev, /* cb_prop_op */
274 0, /* streamtab */
275 D_NEW | D_HOTPLUG, /* cb_flag */
276 CB_REV, /* cb_rev */
277 nodev, /* cb_aread */
278 nodev /* cb_awrite */
279 };
280
281 /*
282 * dev_ops contains configuration routines
283 */
284 static struct dev_ops mrsas_ops = {
285 DEVO_REV, /* rev, */
286 0, /* refcnt */
287 mrsas_getinfo, /* getinfo */
288 nulldev, /* identify */
289 nulldev, /* probe */
290 mrsas_attach, /* attach */
291 mrsas_detach, /* detach */
292 #ifdef __sparc
293 mrsas_reset, /* reset */
294 #else /* __sparc */
295 nodev,
296 #endif /* __sparc */
297 &mrsas_cb_ops, /* char/block ops */
298 NULL, /* bus ops */
299 NULL, /* power */
300 #ifdef __sparc
301 ddi_quiesce_not_needed
302 #else /* __sparc */
303 mrsas_quiesce /* quiesce */
304 #endif /* __sparc */
305 };
306
307 static struct modldrv modldrv = {
308 &mod_driverops, /* module type - driver */
309 MRSAS_VERSION,
310 &mrsas_ops, /* driver ops */
311 };
312
313 static struct modlinkage modlinkage = {
314 MODREV_1, /* ml_rev - must be MODREV_1 */
315 &modldrv, /* ml_linkage */
316 NULL /* end of driver linkage */
317 };
318
319 static struct ddi_device_acc_attr endian_attr = {
320 DDI_DEVICE_ATTR_V1,
321 DDI_STRUCTURE_LE_ACC,
322 DDI_STRICTORDER_ACC,
323 DDI_DEFAULT_ACC
324 };
325
326 /* Use the LSI Fast Path for the 2208 (tbolt) commands. */
327 unsigned int enable_fp = 1;
328
329
330 /*
331 * ************************************************************************** *
332 * *
333 * common entry points - for loadable kernel modules *
334 * *
335 * ************************************************************************** *
336 */
337
338 /*
339 * _init - initialize a loadable module
340 * @void
341 *
342 * The driver should perform any one-time resource allocation or data
343 * initialization during driver loading in _init(). For example, the driver
344 * should initialize any mutexes global to the driver in this routine.
345 * The driver should not, however, use _init() to allocate or initialize
346 * anything that has to do with a particular instance of the device.
347 * Per-instance initialization must be done in attach().
348 */
349 int
350 _init(void)
351 {
352 int ret;
353
354 con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
355
356 ret = ddi_soft_state_init(&mrsas_state,
357 sizeof (struct mrsas_instance), 0);
358
359 if (ret != DDI_SUCCESS) {
360 cmn_err(CE_WARN, "mr_sas: could not init state");
361 return (ret);
362 }
363
364 if ((ret = scsi_hba_init(&modlinkage)) != DDI_SUCCESS) {
365 cmn_err(CE_WARN, "mr_sas: could not init scsi hba");
366 ddi_soft_state_fini(&mrsas_state);
367 return (ret);
368 }
369
370 ret = mod_install(&modlinkage);
371
372 if (ret != DDI_SUCCESS) {
373 cmn_err(CE_WARN, "mr_sas: mod_install failed");
374 scsi_hba_fini(&modlinkage);
375 ddi_soft_state_fini(&mrsas_state);
376 }
377
378 return (ret);
379 }
380
381 /*
382 * _info - returns information about a loadable module.
383 * @void
384 *
385 * _info() is called to return module information. This is a typical entry
386 * point that does predefined role. It simply calls mod_info().
387 */
388 int
389 _info(struct modinfo *modinfop)
390 {
391 con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
392
393 return (mod_info(&modlinkage, modinfop));
394 }
395
396 /*
397 * _fini - prepare a loadable module for unloading
398 * @void
399 *
400 * In _fini(), the driver should release any resources that were allocated in
401 * _init(). The driver must remove itself from the system module list.
402 */
403 int
404 _fini(void)
405 {
406 int ret;
407
408 con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
409
410 if ((ret = mod_remove(&modlinkage)) != DDI_SUCCESS) {
411 con_log(CL_ANN1,
412 (CE_WARN, "_fini: mod_remove() failed, error 0x%X", ret));
413 return (ret);
414 }
415
416 scsi_hba_fini(&modlinkage);
417 con_log(CL_DLEVEL1, (CE_NOTE, "_fini: scsi_hba_fini() done."));
418
419 ddi_soft_state_fini(&mrsas_state);
420 con_log(CL_DLEVEL1, (CE_NOTE, "_fini: ddi_soft_state_fini() done."));
421
422 return (ret);
423 }
424
425
426 /*
427 * ************************************************************************** *
428 * *
429 * common entry points - for autoconfiguration *
430 * *
431 * ************************************************************************** *
432 */
433 /*
434 * attach - adds a device to the system as part of initialization
435 * @dip:
436 * @cmd:
437 *
438 * The kernel calls a driver's attach() entry point to attach an instance of
439 * a device (for MegaRAID, it is instance of a controller) or to resume
440 * operation for an instance of a device that has been suspended or has been
441 * shut down by the power management framework
442 * The attach() entry point typically includes the following types of
443 * processing:
444 * - allocate a soft-state structure for the device instance (for MegaRAID,
445 * controller instance)
446 * - initialize per-instance mutexes
447 * - initialize condition variables
448 * - register the device's interrupts (for MegaRAID, controller's interrupts)
449 * - map the registers and memory of the device instance (for MegaRAID,
450 * controller instance)
451 * - create minor device nodes for the device instance (for MegaRAID,
452 * controller instance)
453 * - report that the device instance (for MegaRAID, controller instance) has
454 * attached
455 */
456 static int
457 mrsas_attach(dev_info_t *dip, ddi_attach_cmd_t cmd)
458 {
459 int instance_no;
460 int nregs;
461 int i = 0;
462 uint8_t irq;
463 uint16_t vendor_id;
464 uint16_t device_id;
465 uint16_t subsysvid;
466 uint16_t subsysid;
467 uint16_t command;
468 off_t reglength = 0;
469 int intr_types = 0;
470 char *data;
471
472 scsi_hba_tran_t *tran;
473 ddi_dma_attr_t tran_dma_attr;
474 struct mrsas_instance *instance;
475
476 con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
477
478 /* CONSTCOND */
479 ASSERT(NO_COMPETING_THREADS);
480
481 instance_no = ddi_get_instance(dip);
482
483 /*
484 * check to see whether this device is in a DMA-capable slot.
485 */
486 if (ddi_slaveonly(dip) == DDI_SUCCESS) {
487 dev_err(dip, CE_WARN, "Device in slave-only slot, unused");
488 return (DDI_FAILURE);
489 }
490
491 switch (cmd) {
492 case DDI_ATTACH:
493 /* allocate the soft state for the instance */
494 if (ddi_soft_state_zalloc(mrsas_state, instance_no)
495 != DDI_SUCCESS) {
496 dev_err(dip, CE_WARN, "Failed to allocate soft state");
497 return (DDI_FAILURE);
498 }
499
500 instance = (struct mrsas_instance *)ddi_get_soft_state
501 (mrsas_state, instance_no);
502
503 if (instance == NULL) {
504 dev_err(dip, CE_WARN, "Bad soft state");
505 ddi_soft_state_free(mrsas_state, instance_no);
506 return (DDI_FAILURE);
507 }
508
509 instance->unroll.softs = 1;
510
511 /* Setup the PCI configuration space handles */
512 if (pci_config_setup(dip, &instance->pci_handle) !=
513 DDI_SUCCESS) {
514 dev_err(dip, CE_WARN, "pci config setup failed");
515
516 ddi_soft_state_free(mrsas_state, instance_no);
517 return (DDI_FAILURE);
518 }
519
520 if (ddi_dev_nregs(dip, &nregs) != DDI_SUCCESS) {
521 dev_err(dip, CE_WARN, "Failed to get registers");
522
523 pci_config_teardown(&instance->pci_handle);
524 ddi_soft_state_free(mrsas_state, instance_no);
525 return (DDI_FAILURE);
526 }
527
528 vendor_id = pci_config_get16(instance->pci_handle,
529 PCI_CONF_VENID);
530 device_id = pci_config_get16(instance->pci_handle,
531 PCI_CONF_DEVID);
532
533 subsysvid = pci_config_get16(instance->pci_handle,
534 PCI_CONF_SUBVENID);
535 subsysid = pci_config_get16(instance->pci_handle,
536 PCI_CONF_SUBSYSID);
537
538 pci_config_put16(instance->pci_handle, PCI_CONF_COMM,
539 (pci_config_get16(instance->pci_handle,
540 PCI_CONF_COMM) | PCI_COMM_ME));
541 irq = pci_config_get8(instance->pci_handle,
542 PCI_CONF_ILINE);
543
544 dev_err(dip, CE_CONT,
545 "?0x%x:0x%x 0x%x:0x%x, irq:%d drv-ver:%s\n",
546 vendor_id, device_id, subsysvid,
547 subsysid, irq, MRSAS_VERSION);
548
549 /* enable bus-mastering */
550 command = pci_config_get16(instance->pci_handle,
551 PCI_CONF_COMM);
552
553 if (!(command & PCI_COMM_ME)) {
554 command |= PCI_COMM_ME;
555
556 pci_config_put16(instance->pci_handle,
557 PCI_CONF_COMM, command);
558
559 con_log(CL_ANN, (CE_CONT, "mr_sas%d: "
560 "enable bus-mastering", instance_no));
561 } else {
562 con_log(CL_DLEVEL1, (CE_CONT, "mr_sas%d: "
563 "bus-mastering already set", instance_no));
564 }
565
566 /* initialize function pointers */
567 switch (device_id) {
568 case PCI_DEVICE_ID_LSI_TBOLT:
569 case PCI_DEVICE_ID_LSI_INVADER:
570 case PCI_DEVICE_ID_LSI_FURY:
571 dev_err(dip, CE_CONT, "?TBOLT device detected\n");
572
573 instance->func_ptr =
574 &mrsas_function_template_fusion;
575 instance->tbolt = 1;
576 break;
577
578 case PCI_DEVICE_ID_LSI_SKINNY:
579 case PCI_DEVICE_ID_LSI_SKINNY_NEW:
580 /*
581 * FALLTHRU to PPC-style functions, but mark this
582 * instance as Skinny, because the register set is
583 * slightly different (See WR_IB_PICK_QPORT), and
584 * certain other features are available to a Skinny
585 * HBA.
586 */
587 instance->skinny = 1;
588 /* FALLTHRU */
589
590 case PCI_DEVICE_ID_LSI_2108VDE:
591 case PCI_DEVICE_ID_LSI_2108V:
592 dev_err(dip, CE_CONT,
593 "?2108 Liberator device detected\n");
594
595 instance->func_ptr =
596 &mrsas_function_template_ppc;
597 break;
598
599 default:
600 dev_err(dip, CE_WARN, "Invalid device detected");
601
602 pci_config_teardown(&instance->pci_handle);
603 ddi_soft_state_free(mrsas_state, instance_no);
604 return (DDI_FAILURE);
605 }
606
607 instance->baseaddress = pci_config_get32(
608 instance->pci_handle, PCI_CONF_BASE0);
609 instance->baseaddress &= 0x0fffc;
610
611 instance->dip = dip;
612 instance->vendor_id = vendor_id;
613 instance->device_id = device_id;
614 instance->subsysvid = subsysvid;
615 instance->subsysid = subsysid;
616 instance->instance = instance_no;
617
618 /* Initialize FMA */
619 instance->fm_capabilities = ddi_prop_get_int(
620 DDI_DEV_T_ANY, instance->dip, DDI_PROP_DONTPASS,
621 "fm-capable", DDI_FM_EREPORT_CAPABLE |
622 DDI_FM_ACCCHK_CAPABLE | DDI_FM_DMACHK_CAPABLE
623 | DDI_FM_ERRCB_CAPABLE);
624
625 mrsas_fm_init(instance);
626
627 /* Setup register map */
628 if ((ddi_dev_regsize(instance->dip,
629 REGISTER_SET_IO_2108, ®length) != DDI_SUCCESS) ||
630 reglength < MINIMUM_MFI_MEM_SZ) {
631 goto fail_attach;
632 }
633 if (reglength > DEFAULT_MFI_MEM_SZ) {
634 reglength = DEFAULT_MFI_MEM_SZ;
635 con_log(CL_DLEVEL1, (CE_NOTE,
636 "mr_sas: register length to map is 0x%lx bytes",
637 reglength));
638 }
639 if (ddi_regs_map_setup(instance->dip,
640 REGISTER_SET_IO_2108, &instance->regmap, 0,
641 reglength, &endian_attr, &instance->regmap_handle)
642 != DDI_SUCCESS) {
643 dev_err(dip, CE_WARN, "couldn't map control registers");
644 goto fail_attach;
645 }
646
647 instance->unroll.regs = 1;
648
649 /*
650 * Disable Interrupt Now.
651 * Setup Software interrupt
652 */
653 instance->func_ptr->disable_intr(instance);
654
655 if (ddi_prop_lookup_string(DDI_DEV_T_ANY, dip, 0,
656 "mrsas-enable-msi", &data) == DDI_SUCCESS) {
657 if (strncmp(data, "no", 3) == 0) {
658 msi_enable = 0;
659 con_log(CL_ANN1, (CE_WARN,
660 "msi_enable = %d disabled", msi_enable));
661 }
662 ddi_prop_free(data);
663 }
664
665 dev_err(dip, CE_CONT, "?msi_enable = %d\n", msi_enable);
666
667 if (ddi_prop_lookup_string(DDI_DEV_T_ANY, dip, 0,
668 "mrsas-enable-fp", &data) == DDI_SUCCESS) {
669 if (strncmp(data, "no", 3) == 0) {
670 enable_fp = 0;
671 dev_err(dip, CE_NOTE,
672 "enable_fp = %d, Fast-Path disabled.\n",
673 enable_fp);
674 }
675
676 ddi_prop_free(data);
677 }
678
679 dev_err(dip, CE_CONT, "?enable_fp = %d\n", enable_fp);
680
681 /* Check for all supported interrupt types */
682 if (ddi_intr_get_supported_types(
683 dip, &intr_types) != DDI_SUCCESS) {
684 dev_err(dip, CE_WARN,
685 "ddi_intr_get_supported_types() failed");
686 goto fail_attach;
687 }
688
689 con_log(CL_DLEVEL1, (CE_NOTE,
690 "ddi_intr_get_supported_types() ret: 0x%x", intr_types));
691
692 /* Initialize and Setup Interrupt handler */
693 if (msi_enable && (intr_types & DDI_INTR_TYPE_MSIX)) {
694 if (mrsas_add_intrs(instance, DDI_INTR_TYPE_MSIX) !=
695 DDI_SUCCESS) {
696 dev_err(dip, CE_WARN,
697 "MSIX interrupt query failed");
698 goto fail_attach;
699 }
700 instance->intr_type = DDI_INTR_TYPE_MSIX;
701 } else if (msi_enable && (intr_types & DDI_INTR_TYPE_MSI)) {
702 if (mrsas_add_intrs(instance, DDI_INTR_TYPE_MSI) !=
703 DDI_SUCCESS) {
704 dev_err(dip, CE_WARN,
705 "MSI interrupt query failed");
706 goto fail_attach;
707 }
708 instance->intr_type = DDI_INTR_TYPE_MSI;
709 } else if (intr_types & DDI_INTR_TYPE_FIXED) {
710 msi_enable = 0;
711 if (mrsas_add_intrs(instance, DDI_INTR_TYPE_FIXED) !=
712 DDI_SUCCESS) {
713 dev_err(dip, CE_WARN,
714 "FIXED interrupt query failed");
715 goto fail_attach;
716 }
717 instance->intr_type = DDI_INTR_TYPE_FIXED;
718 } else {
719 dev_err(dip, CE_WARN, "Device cannot "
720 "suppport either FIXED or MSI/X "
721 "interrupts");
722 goto fail_attach;
723 }
724
725 instance->unroll.intr = 1;
726
727 if (ddi_prop_lookup_string(DDI_DEV_T_ANY, dip, 0,
728 "mrsas-enable-ctio", &data) == DDI_SUCCESS) {
729 if (strncmp(data, "no", 3) == 0) {
730 ctio_enable = 0;
731 con_log(CL_ANN1, (CE_WARN,
732 "ctio_enable = %d disabled", ctio_enable));
733 }
734 ddi_prop_free(data);
735 }
736
737 dev_err(dip, CE_CONT, "?ctio_enable = %d\n", ctio_enable);
738
739 /* setup the mfi based low level driver */
740 if (mrsas_init_adapter(instance) != DDI_SUCCESS) {
741 dev_err(dip, CE_WARN,
742 "could not initialize the low level driver");
743
744 goto fail_attach;
745 }
746
747 /* Initialize all Mutex */
748 INIT_LIST_HEAD(&instance->completed_pool_list);
749 mutex_init(&instance->completed_pool_mtx, NULL,
750 MUTEX_DRIVER, DDI_INTR_PRI(instance->intr_pri));
751
752 mutex_init(&instance->sync_map_mtx, NULL,
753 MUTEX_DRIVER, DDI_INTR_PRI(instance->intr_pri));
754
755 mutex_init(&instance->app_cmd_pool_mtx, NULL,
756 MUTEX_DRIVER, DDI_INTR_PRI(instance->intr_pri));
757
758 mutex_init(&instance->config_dev_mtx, NULL,
759 MUTEX_DRIVER, DDI_INTR_PRI(instance->intr_pri));
760
761 mutex_init(&instance->cmd_pend_mtx, NULL,
762 MUTEX_DRIVER, DDI_INTR_PRI(instance->intr_pri));
763
764 mutex_init(&instance->ocr_flags_mtx, NULL,
765 MUTEX_DRIVER, DDI_INTR_PRI(instance->intr_pri));
766
767 mutex_init(&instance->int_cmd_mtx, NULL,
768 MUTEX_DRIVER, DDI_INTR_PRI(instance->intr_pri));
769 cv_init(&instance->int_cmd_cv, NULL, CV_DRIVER, NULL);
770
771 mutex_init(&instance->cmd_pool_mtx, NULL,
772 MUTEX_DRIVER, DDI_INTR_PRI(instance->intr_pri));
773
774 mutex_init(&instance->reg_write_mtx, NULL,
775 MUTEX_DRIVER, DDI_INTR_PRI(instance->intr_pri));
776
777 if (instance->tbolt) {
778 mutex_init(&instance->cmd_app_pool_mtx, NULL,
779 MUTEX_DRIVER, DDI_INTR_PRI(instance->intr_pri));
780
781 mutex_init(&instance->chip_mtx, NULL,
782 MUTEX_DRIVER, DDI_INTR_PRI(instance->intr_pri));
783
784 }
785
786 instance->unroll.mutexs = 1;
787
788 instance->timeout_id = (timeout_id_t)-1;
789
790 /* Register our soft-isr for highlevel interrupts. */
791 instance->isr_level = instance->intr_pri;
792 if (!(instance->tbolt)) {
793 if (instance->isr_level == HIGH_LEVEL_INTR) {
794 if (ddi_add_softintr(dip,
795 DDI_SOFTINT_HIGH,
796 &instance->soft_intr_id, NULL, NULL,
797 mrsas_softintr, (caddr_t)instance) !=
798 DDI_SUCCESS) {
799 dev_err(dip, CE_WARN,
800 "Software ISR did not register");
801
802 goto fail_attach;
803 }
804
805 instance->unroll.soft_isr = 1;
806
807 }
808 }
809
810 instance->softint_running = 0;
811
812 /* Allocate a transport structure */
813 tran = scsi_hba_tran_alloc(dip, SCSI_HBA_CANSLEEP);
814
815 if (tran == NULL) {
816 dev_err(dip, CE_WARN,
817 "scsi_hba_tran_alloc failed");
818 goto fail_attach;
819 }
820
821 instance->tran = tran;
822 instance->unroll.tran = 1;
823
824 tran->tran_hba_private = instance;
825 tran->tran_tgt_init = mrsas_tran_tgt_init;
826 tran->tran_tgt_probe = scsi_hba_probe;
827 tran->tran_tgt_free = mrsas_tran_tgt_free;
828 tran->tran_init_pkt = mrsas_tran_init_pkt;
829 if (instance->tbolt)
830 tran->tran_start = mrsas_tbolt_tran_start;
831 else
832 tran->tran_start = mrsas_tran_start;
833 tran->tran_abort = mrsas_tran_abort;
834 tran->tran_reset = mrsas_tran_reset;
835 tran->tran_getcap = mrsas_tran_getcap;
836 tran->tran_setcap = mrsas_tran_setcap;
837 tran->tran_destroy_pkt = mrsas_tran_destroy_pkt;
838 tran->tran_dmafree = mrsas_tran_dmafree;
839 tran->tran_sync_pkt = mrsas_tran_sync_pkt;
840 tran->tran_quiesce = mrsas_tran_quiesce;
841 tran->tran_unquiesce = mrsas_tran_unquiesce;
842 tran->tran_bus_config = mrsas_tran_bus_config;
843
844 if (mrsas_relaxed_ordering)
845 mrsas_generic_dma_attr.dma_attr_flags |=
846 DDI_DMA_RELAXED_ORDERING;
847
848
849 tran_dma_attr = mrsas_generic_dma_attr;
850 tran_dma_attr.dma_attr_sgllen = instance->max_num_sge;
851
852 /* Attach this instance of the hba */
853 if (scsi_hba_attach_setup(dip, &tran_dma_attr, tran, 0)
854 != DDI_SUCCESS) {
855 dev_err(dip, CE_WARN,
856 "scsi_hba_attach failed");
857
858 goto fail_attach;
859 }
860 instance->unroll.tranSetup = 1;
861 con_log(CL_ANN1,
862 (CE_CONT, "scsi_hba_attach_setup() done."));
863
864 /* create devctl node for cfgadm command */
865 if (ddi_create_minor_node(dip, "devctl",
866 S_IFCHR, INST2DEVCTL(instance_no),
867 DDI_NT_SCSI_NEXUS, 0) == DDI_FAILURE) {
868 dev_err(dip, CE_WARN, "failed to create devctl node.");
869
870 goto fail_attach;
871 }
872
873 instance->unroll.devctl = 1;
874
875 /* create scsi node for cfgadm command */
876 if (ddi_create_minor_node(dip, "scsi", S_IFCHR,
877 INST2SCSI(instance_no), DDI_NT_SCSI_ATTACHMENT_POINT, 0) ==
878 DDI_FAILURE) {
879 dev_err(dip, CE_WARN, "failed to create scsi node.");
880
881 goto fail_attach;
882 }
883
884 instance->unroll.scsictl = 1;
885
886 (void) sprintf(instance->iocnode, "%d:lsirdctl", instance_no);
887
888 /*
889 * Create a node for applications
890 * for issuing ioctl to the driver.
891 */
892 if (ddi_create_minor_node(dip, instance->iocnode,
893 S_IFCHR, INST2LSIRDCTL(instance_no), DDI_PSEUDO, 0) ==
894 DDI_FAILURE) {
895 dev_err(dip, CE_WARN, "failed to create ioctl node.");
896
897 goto fail_attach;
898 }
899
900 instance->unroll.ioctl = 1;
901
902 /* Create a taskq to handle dr events */
903 if ((instance->taskq = ddi_taskq_create(dip,
904 "mrsas_dr_taskq", 1, TASKQ_DEFAULTPRI, 0)) == NULL) {
905 dev_err(dip, CE_WARN, "failed to create taskq.");
906 instance->taskq = NULL;
907 goto fail_attach;
908 }
909 instance->unroll.taskq = 1;
910 con_log(CL_ANN1, (CE_CONT, "ddi_taskq_create() done."));
911
912 /* enable interrupt */
913 instance->func_ptr->enable_intr(instance);
914
915 /* initiate AEN */
916 if (start_mfi_aen(instance)) {
917 dev_err(dip, CE_WARN, "failed to initiate AEN.");
918 goto fail_attach;
919 }
920 instance->unroll.aenPend = 1;
921 con_log(CL_ANN1,
922 (CE_CONT, "AEN started for instance %d.", instance_no));
923
924 /* Finally! We are on the air. */
925 ddi_report_dev(dip);
926
927 /* FMA handle checking. */
928 if (mrsas_check_acc_handle(instance->regmap_handle) !=
929 DDI_SUCCESS) {
930 goto fail_attach;
931 }
932 if (mrsas_check_acc_handle(instance->pci_handle) !=
933 DDI_SUCCESS) {
934 goto fail_attach;
935 }
936
937 instance->mr_ld_list =
938 kmem_zalloc(MRDRV_MAX_LD * sizeof (struct mrsas_ld),
939 KM_SLEEP);
940 instance->unroll.ldlist_buff = 1;
941
942 #ifdef PDSUPPORT
943 if (instance->tbolt || instance->skinny) {
944 instance->mr_tbolt_pd_max = MRSAS_TBOLT_PD_TGT_MAX;
945 instance->mr_tbolt_pd_list =
946 kmem_zalloc(MRSAS_TBOLT_GET_PD_MAX(instance) *
947 sizeof (struct mrsas_tbolt_pd), KM_SLEEP);
948 ASSERT(instance->mr_tbolt_pd_list);
949 for (i = 0; i < instance->mr_tbolt_pd_max; i++) {
950 instance->mr_tbolt_pd_list[i].lun_type =
951 MRSAS_TBOLT_PD_LUN;
952 instance->mr_tbolt_pd_list[i].dev_id =
953 (uint8_t)i;
954 }
955
956 instance->unroll.pdlist_buff = 1;
957 }
958 #endif
959 break;
960 case DDI_PM_RESUME:
961 con_log(CL_ANN, (CE_NOTE, "mr_sas: DDI_PM_RESUME"));
962 break;
963 case DDI_RESUME:
964 con_log(CL_ANN, (CE_NOTE, "mr_sas: DDI_RESUME"));
965 break;
966 default:
967 con_log(CL_ANN,
968 (CE_WARN, "mr_sas: invalid attach cmd=%x", cmd));
969 return (DDI_FAILURE);
970 }
971
972
973 con_log(CL_DLEVEL1,
974 (CE_NOTE, "mrsas_attach() return SUCCESS instance_num %d",
975 instance_no));
976 return (DDI_SUCCESS);
977
978 fail_attach:
979
980 mrsas_undo_resources(dip, instance);
981
982 mrsas_fm_ereport(instance, DDI_FM_DEVICE_NO_RESPONSE);
983 ddi_fm_service_impact(instance->dip, DDI_SERVICE_LOST);
984
985 mrsas_fm_fini(instance);
986
987 pci_config_teardown(&instance->pci_handle);
988 ddi_soft_state_free(mrsas_state, instance_no);
989
990 return (DDI_FAILURE);
991 }
992
993 /*
994 * getinfo - gets device information
995 * @dip:
996 * @cmd:
997 * @arg:
998 * @resultp:
999 *
1000 * The system calls getinfo() to obtain configuration information that only
1001 * the driver knows. The mapping of minor numbers to device instance is
1002 * entirely under the control of the driver. The system sometimes needs to ask
1003 * the driver which device a particular dev_t represents.
1004 * Given the device number return the devinfo pointer from the scsi_device
1005 * structure.
1006 */
1007 /*ARGSUSED*/
1008 static int
1009 mrsas_getinfo(dev_info_t *dip, ddi_info_cmd_t cmd, void *arg, void **resultp)
1010 {
1011 int rval;
1012 int mrsas_minor = getminor((dev_t)arg);
1013
1014 struct mrsas_instance *instance;
1015
1016 con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
1017
1018 switch (cmd) {
1019 case DDI_INFO_DEVT2DEVINFO:
1020 instance = (struct mrsas_instance *)
1021 ddi_get_soft_state(mrsas_state,
1022 MINOR2INST(mrsas_minor));
1023
1024 if (instance == NULL) {
1025 *resultp = NULL;
1026 rval = DDI_FAILURE;
1027 } else {
1028 *resultp = instance->dip;
1029 rval = DDI_SUCCESS;
1030 }
1031 break;
1032 case DDI_INFO_DEVT2INSTANCE:
1033 *resultp = (void *)(intptr_t)
1034 (MINOR2INST(getminor((dev_t)arg)));
1035 rval = DDI_SUCCESS;
1036 break;
1037 default:
1038 *resultp = NULL;
1039 rval = DDI_FAILURE;
1040 }
1041
1042 return (rval);
1043 }
1044
1045 /*
1046 * detach - detaches a device from the system
1047 * @dip: pointer to the device's dev_info structure
1048 * @cmd: type of detach
1049 *
1050 * A driver's detach() entry point is called to detach an instance of a device
1051 * that is bound to the driver. The entry point is called with the instance of
1052 * the device node to be detached and with DDI_DETACH, which is specified as
1053 * the cmd argument to the entry point.
1054 * This routine is called during driver unload. We free all the allocated
1055 * resources and call the corresponding LLD so that it can also release all
1056 * its resources.
1057 */
1058 static int
1059 mrsas_detach(dev_info_t *dip, ddi_detach_cmd_t cmd)
1060 {
1061 int instance_no;
1062
1063 struct mrsas_instance *instance;
1064
1065 con_log(CL_ANN, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
1066
1067
1068 /* CONSTCOND */
1069 ASSERT(NO_COMPETING_THREADS);
1070
1071 instance_no = ddi_get_instance(dip);
1072
1073 instance = (struct mrsas_instance *)ddi_get_soft_state(mrsas_state,
1074 instance_no);
1075
1076 if (!instance) {
1077 dev_err(dip, CE_WARN, "could not get instance in detach");
1078
1079 return (DDI_FAILURE);
1080 }
1081
1082 switch (cmd) {
1083 case DDI_DETACH:
1084 con_log(CL_ANN, (CE_NOTE,
1085 "mrsas_detach: DDI_DETACH"));
1086
1087 mutex_enter(&instance->config_dev_mtx);
1088 if (instance->timeout_id != (timeout_id_t)-1) {
1089 mutex_exit(&instance->config_dev_mtx);
1090 (void) untimeout(instance->timeout_id);
1091 instance->timeout_id = (timeout_id_t)-1;
1092 mutex_enter(&instance->config_dev_mtx);
1093 instance->unroll.timer = 0;
1094 }
1095 mutex_exit(&instance->config_dev_mtx);
1096
1097 if (instance->unroll.tranSetup == 1) {
1098 if (scsi_hba_detach(dip) != DDI_SUCCESS) {
1099 dev_err(dip, CE_WARN,
1100 "failed to detach");
1101 return (DDI_FAILURE);
1102 }
1103 instance->unroll.tranSetup = 0;
1104 con_log(CL_ANN1,
1105 (CE_CONT, "scsi_hba_dettach() done."));
1106 }
1107
1108 flush_cache(instance);
1109
1110 mrsas_undo_resources(dip, instance);
1111
1112 mrsas_fm_fini(instance);
1113
1114 pci_config_teardown(&instance->pci_handle);
1115 ddi_soft_state_free(mrsas_state, instance_no);
1116 break;
1117
1118 case DDI_PM_SUSPEND:
1119 con_log(CL_ANN, (CE_NOTE,
1120 "mrsas_detach: DDI_PM_SUSPEND"));
1121
1122 break;
1123 case DDI_SUSPEND:
1124 con_log(CL_ANN, (CE_NOTE,
1125 "mrsas_detach: DDI_SUSPEND"));
1126
1127 break;
1128 default:
1129 con_log(CL_ANN, (CE_WARN,
1130 "invalid detach command:0x%x", cmd));
1131 return (DDI_FAILURE);
1132 }
1133
1134 return (DDI_SUCCESS);
1135 }
1136
1137
1138 static void
1139 mrsas_undo_resources(dev_info_t *dip, struct mrsas_instance *instance)
1140 {
1141 con_log(CL_ANN, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
1142
1143 if (instance->unroll.ioctl == 1) {
1144 ddi_remove_minor_node(dip, instance->iocnode);
1145 instance->unroll.ioctl = 0;
1146 }
1147
1148 if (instance->unroll.scsictl == 1) {
1149 ddi_remove_minor_node(dip, "scsi");
1150 instance->unroll.scsictl = 0;
1151 }
1152
1153 if (instance->unroll.devctl == 1) {
1154 ddi_remove_minor_node(dip, "devctl");
1155 instance->unroll.devctl = 0;
1156 }
1157
1158 if (instance->unroll.tranSetup == 1) {
1159 if (scsi_hba_detach(dip) != DDI_SUCCESS) {
1160 dev_err(dip, CE_WARN, "failed to detach");
1161 return; /* DDI_FAILURE */
1162 }
1163 instance->unroll.tranSetup = 0;
1164 con_log(CL_ANN1, (CE_CONT, "scsi_hba_dettach() done."));
1165 }
1166
1167 if (instance->unroll.tran == 1) {
1168 scsi_hba_tran_free(instance->tran);
1169 instance->unroll.tran = 0;
1170 con_log(CL_ANN1, (CE_CONT, "scsi_hba_tran_free() done."));
1171 }
1172
1173 if (instance->unroll.syncCmd == 1) {
1174 if (instance->tbolt) {
1175 if (abort_syncmap_cmd(instance,
1176 instance->map_update_cmd)) {
1177 dev_err(dip, CE_WARN, "mrsas_detach: "
1178 "failed to abort previous syncmap command");
1179 }
1180
1181 instance->unroll.syncCmd = 0;
1182 con_log(CL_ANN1, (CE_CONT, "sync cmd aborted, done."));
1183 }
1184 }
1185
1186 if (instance->unroll.aenPend == 1) {
1187 if (abort_aen_cmd(instance, instance->aen_cmd))
1188 dev_err(dip, CE_WARN, "mrsas_detach: "
1189 "failed to abort prevous AEN command");
1190
1191 instance->unroll.aenPend = 0;
1192 con_log(CL_ANN1, (CE_CONT, "aen cmd aborted, done."));
1193 /* This means the controller is fully initialized and running */
1194 /* Shutdown should be a last command to controller. */
1195 /* shutdown_controller(); */
1196 }
1197
1198
1199 if (instance->unroll.timer == 1) {
1200 if (instance->timeout_id != (timeout_id_t)-1) {
1201 (void) untimeout(instance->timeout_id);
1202 instance->timeout_id = (timeout_id_t)-1;
1203
1204 instance->unroll.timer = 0;
1205 }
1206 }
1207
1208 instance->func_ptr->disable_intr(instance);
1209
1210
1211 if (instance->unroll.mutexs == 1) {
1212 mutex_destroy(&instance->cmd_pool_mtx);
1213 mutex_destroy(&instance->app_cmd_pool_mtx);
1214 mutex_destroy(&instance->cmd_pend_mtx);
1215 mutex_destroy(&instance->completed_pool_mtx);
1216 mutex_destroy(&instance->sync_map_mtx);
1217 mutex_destroy(&instance->int_cmd_mtx);
1218 cv_destroy(&instance->int_cmd_cv);
1219 mutex_destroy(&instance->config_dev_mtx);
1220 mutex_destroy(&instance->ocr_flags_mtx);
1221 mutex_destroy(&instance->reg_write_mtx);
1222
1223 if (instance->tbolt) {
1224 mutex_destroy(&instance->cmd_app_pool_mtx);
1225 mutex_destroy(&instance->chip_mtx);
1226 }
1227
1228 instance->unroll.mutexs = 0;
1229 con_log(CL_ANN1, (CE_CONT, "Destroy mutex & cv, done."));
1230 }
1231
1232
1233 if (instance->unroll.soft_isr == 1) {
1234 ddi_remove_softintr(instance->soft_intr_id);
1235 instance->unroll.soft_isr = 0;
1236 }
1237
1238 if (instance->unroll.intr == 1) {
1239 mrsas_rem_intrs(instance);
1240 instance->unroll.intr = 0;
1241 }
1242
1243
1244 if (instance->unroll.taskq == 1) {
1245 if (instance->taskq) {
1246 ddi_taskq_destroy(instance->taskq);
1247 instance->unroll.taskq = 0;
1248 }
1249
1250 }
1251
1252 /*
1253 * free dma memory allocated for
1254 * cmds/frames/queues/driver version etc
1255 */
1256 if (instance->unroll.verBuff == 1) {
1257 (void) mrsas_free_dma_obj(instance, instance->drv_ver_dma_obj);
1258 instance->unroll.verBuff = 0;
1259 }
1260
1261 if (instance->unroll.pdlist_buff == 1) {
1262 if (instance->mr_tbolt_pd_list != NULL) {
1263 kmem_free(instance->mr_tbolt_pd_list,
1264 MRSAS_TBOLT_GET_PD_MAX(instance) *
1265 sizeof (struct mrsas_tbolt_pd));
1266 }
1267
1268 instance->mr_tbolt_pd_list = NULL;
1269 instance->unroll.pdlist_buff = 0;
1270 }
1271
1272 if (instance->unroll.ldlist_buff == 1) {
1273 if (instance->mr_ld_list != NULL) {
1274 kmem_free(instance->mr_ld_list, MRDRV_MAX_LD
1275 * sizeof (struct mrsas_ld));
1276 }
1277
1278 instance->mr_ld_list = NULL;
1279 instance->unroll.ldlist_buff = 0;
1280 }
1281
1282 if (instance->tbolt) {
1283 if (instance->unroll.alloc_space_mpi2 == 1) {
1284 free_space_for_mpi2(instance);
1285 instance->unroll.alloc_space_mpi2 = 0;
1286 }
1287 } else {
1288 if (instance->unroll.alloc_space_mfi == 1) {
1289 free_space_for_mfi(instance);
1290 instance->unroll.alloc_space_mfi = 0;
1291 }
1292 }
1293
1294 if (instance->unroll.regs == 1) {
1295 ddi_regs_map_free(&instance->regmap_handle);
1296 instance->unroll.regs = 0;
1297 con_log(CL_ANN1, (CE_CONT, "ddi_regs_map_free() done."));
1298 }
1299 }
1300
1301
1302
1303 /*
1304 * ************************************************************************** *
1305 * *
1306 * common entry points - for character driver types *
1307 * *
1308 * ************************************************************************** *
1309 */
1310 /*
1311 * open - gets access to a device
1312 * @dev:
1313 * @openflags:
1314 * @otyp:
1315 * @credp:
1316 *
1317 * Access to a device by one or more application programs is controlled
1318 * through the open() and close() entry points. The primary function of
1319 * open() is to verify that the open request is allowed.
1320 */
1321 static int
1322 mrsas_open(dev_t *dev, int openflags, int otyp, cred_t *credp)
1323 {
1324 int rval = 0;
1325
1326 con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
1327
1328 /* Check root permissions */
1329 if (drv_priv(credp) != 0) {
1330 con_log(CL_ANN, (CE_WARN,
1331 "mr_sas: Non-root ioctl access denied!"));
1332 return (EPERM);
1333 }
1334
1335 /* Verify we are being opened as a character device */
1336 if (otyp != OTYP_CHR) {
1337 con_log(CL_ANN, (CE_WARN,
1338 "mr_sas: ioctl node must be a char node"));
1339 return (EINVAL);
1340 }
1341
1342 if (ddi_get_soft_state(mrsas_state, MINOR2INST(getminor(*dev)))
1343 == NULL) {
1344 return (ENXIO);
1345 }
1346
1347 if (scsi_hba_open) {
1348 rval = scsi_hba_open(dev, openflags, otyp, credp);
1349 }
1350
1351 return (rval);
1352 }
1353
1354 /*
1355 * close - gives up access to a device
1356 * @dev:
1357 * @openflags:
1358 * @otyp:
1359 * @credp:
1360 *
1361 * close() should perform any cleanup necessary to finish using the minor
1362 * device, and prepare the device (and driver) to be opened again.
1363 */
1364 static int
1365 mrsas_close(dev_t dev, int openflags, int otyp, cred_t *credp)
1366 {
1367 int rval = 0;
1368
1369 con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
1370
1371 /* no need for locks! */
1372
1373 if (scsi_hba_close) {
1374 rval = scsi_hba_close(dev, openflags, otyp, credp);
1375 }
1376
1377 return (rval);
1378 }
1379
1380 /*
1381 * ioctl - performs a range of I/O commands for character drivers
1382 * @dev:
1383 * @cmd:
1384 * @arg:
1385 * @mode:
1386 * @credp:
1387 * @rvalp:
1388 *
1389 * ioctl() routine must make sure that user data is copied into or out of the
1390 * kernel address space explicitly using copyin(), copyout(), ddi_copyin(),
1391 * and ddi_copyout(), as appropriate.
1392 * This is a wrapper routine to serialize access to the actual ioctl routine.
1393 * ioctl() should return 0 on success, or the appropriate error number. The
1394 * driver may also set the value returned to the calling process through rvalp.
1395 */
1396
1397 static int
1398 mrsas_ioctl(dev_t dev, int cmd, intptr_t arg, int mode, cred_t *credp,
1399 int *rvalp)
1400 {
1401 int rval = 0;
1402
1403 struct mrsas_instance *instance;
1404 struct mrsas_ioctl *ioctl;
1405 struct mrsas_aen aen;
1406 con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
1407
1408 instance = ddi_get_soft_state(mrsas_state, MINOR2INST(getminor(dev)));
1409
1410 if (instance == NULL) {
1411 /* invalid minor number */
1412 con_log(CL_ANN, (CE_WARN, "mr_sas: adapter not found."));
1413 return (ENXIO);
1414 }
1415
1416 ioctl = (struct mrsas_ioctl *)kmem_zalloc(sizeof (struct mrsas_ioctl),
1417 KM_SLEEP);
1418 ASSERT(ioctl);
1419
1420 switch ((uint_t)cmd) {
1421 case MRSAS_IOCTL_FIRMWARE:
1422 if (ddi_copyin((void *)arg, ioctl,
1423 sizeof (struct mrsas_ioctl), mode)) {
1424 con_log(CL_ANN, (CE_WARN, "mrsas_ioctl: "
1425 "ERROR IOCTL copyin"));
1426 kmem_free(ioctl, sizeof (struct mrsas_ioctl));
1427 return (EFAULT);
1428 }
1429
1430 if (ioctl->control_code == MRSAS_DRIVER_IOCTL_COMMON) {
1431 rval = handle_drv_ioctl(instance, ioctl, mode);
1432 } else {
1433 rval = handle_mfi_ioctl(instance, ioctl, mode);
1434 }
1435
1436 if (ddi_copyout((void *)ioctl, (void *)arg,
1437 (sizeof (struct mrsas_ioctl) - 1), mode)) {
1438 con_log(CL_ANN, (CE_WARN,
1439 "mrsas_ioctl: copy_to_user failed"));
1440 rval = 1;
1441 }
1442
1443 break;
1444 case MRSAS_IOCTL_AEN:
1445 if (ddi_copyin((void *) arg, &aen,
1446 sizeof (struct mrsas_aen), mode)) {
1447 con_log(CL_ANN, (CE_WARN,
1448 "mrsas_ioctl: ERROR AEN copyin"));
1449 kmem_free(ioctl, sizeof (struct mrsas_ioctl));
1450 return (EFAULT);
1451 }
1452
1453 rval = handle_mfi_aen(instance, &aen);
1454
1455 if (ddi_copyout((void *) &aen, (void *)arg,
1456 sizeof (struct mrsas_aen), mode)) {
1457 con_log(CL_ANN, (CE_WARN,
1458 "mrsas_ioctl: copy_to_user failed"));
1459 rval = 1;
1460 }
1461
1462 break;
1463 default:
1464 rval = scsi_hba_ioctl(dev, cmd, arg,
1465 mode, credp, rvalp);
1466
1467 con_log(CL_DLEVEL1, (CE_NOTE, "mrsas_ioctl: "
1468 "scsi_hba_ioctl called, ret = %x.", rval));
1469 }
1470
1471 kmem_free(ioctl, sizeof (struct mrsas_ioctl));
1472 return (rval);
1473 }
1474
1475 /*
1476 * ************************************************************************** *
1477 * *
1478 * common entry points - for block driver types *
1479 * *
1480 * ************************************************************************** *
1481 */
1482 #ifdef __sparc
1483 /*
1484 * reset - TBD
1485 * @dip:
1486 * @cmd:
1487 *
1488 * TBD
1489 */
1490 /*ARGSUSED*/
1491 static int
1492 mrsas_reset(dev_info_t *dip, ddi_reset_cmd_t cmd)
1493 {
1494 int instance_no;
1495
1496 struct mrsas_instance *instance;
1497
1498 instance_no = ddi_get_instance(dip);
1499 instance = (struct mrsas_instance *)ddi_get_soft_state
1500 (mrsas_state, instance_no);
1501
1502 con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
1503
1504 if (!instance) {
1505 con_log(CL_ANN, (CE_WARN, "mr_sas:%d could not get adapter "
1506 "in reset", instance_no));
1507 return (DDI_FAILURE);
1508 }
1509
1510 instance->func_ptr->disable_intr(instance);
1511
1512 con_log(CL_ANN1, (CE_CONT, "flushing cache for instance %d",
1513 instance_no));
1514
1515 flush_cache(instance);
1516
1517 return (DDI_SUCCESS);
1518 }
1519 #else /* __sparc */
1520 /*ARGSUSED*/
1521 static int
1522 mrsas_quiesce(dev_info_t *dip)
1523 {
1524 int instance_no;
1525
1526 struct mrsas_instance *instance;
1527
1528 instance_no = ddi_get_instance(dip);
1529 instance = (struct mrsas_instance *)ddi_get_soft_state
1530 (mrsas_state, instance_no);
1531
1532 con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
1533
1534 if (!instance) {
1535 con_log(CL_ANN1, (CE_WARN, "mr_sas:%d could not get adapter "
1536 "in quiesce", instance_no));
1537 return (DDI_FAILURE);
1538 }
1539 if (instance->deadadapter || instance->adapterresetinprogress) {
1540 con_log(CL_ANN1, (CE_WARN, "mr_sas:%d adapter is not in "
1541 "healthy state", instance_no));
1542 return (DDI_FAILURE);
1543 }
1544
1545 if (abort_aen_cmd(instance, instance->aen_cmd)) {
1546 con_log(CL_ANN1, (CE_WARN, "mrsas_quiesce: "
1547 "failed to abort prevous AEN command QUIESCE"));
1548 }
1549
1550 if (instance->tbolt) {
1551 if (abort_syncmap_cmd(instance,
1552 instance->map_update_cmd)) {
1553 dev_err(dip, CE_WARN,
1554 "mrsas_detach: failed to abort "
1555 "previous syncmap command");
1556 return (DDI_FAILURE);
1557 }
1558 }
1559
1560 instance->func_ptr->disable_intr(instance);
1561
1562 con_log(CL_ANN1, (CE_CONT, "flushing cache for instance %d",
1563 instance_no));
1564
1565 flush_cache(instance);
1566
1567 if (wait_for_outstanding(instance)) {
1568 con_log(CL_ANN1,
1569 (CE_CONT, "wait_for_outstanding: return FAIL.\n"));
1570 return (DDI_FAILURE);
1571 }
1572 return (DDI_SUCCESS);
1573 }
1574 #endif /* __sparc */
1575
1576 /*
1577 * ************************************************************************** *
1578 * *
1579 * entry points (SCSI HBA) *
1580 * *
1581 * ************************************************************************** *
1582 */
1583 /*
1584 * tran_tgt_init - initialize a target device instance
1585 * @hba_dip:
1586 * @tgt_dip:
1587 * @tran:
1588 * @sd:
1589 *
1590 * The tran_tgt_init() entry point enables the HBA to allocate and initialize
1591 * any per-target resources. tran_tgt_init() also enables the HBA to qualify
1592 * the device's address as valid and supportable for that particular HBA.
1593 * By returning DDI_FAILURE, the instance of the target driver for that device
1594 * is not probed or attached.
1595 */
1596 /*ARGSUSED*/
1597 static int
1598 mrsas_tran_tgt_init(dev_info_t *hba_dip, dev_info_t *tgt_dip,
1599 scsi_hba_tran_t *tran, struct scsi_device *sd)
1600 {
1601 struct mrsas_instance *instance;
1602 uint16_t tgt = sd->sd_address.a_target;
1603 uint8_t lun = sd->sd_address.a_lun;
1604 dev_info_t *child = NULL;
1605
1606 con_log(CL_DLEVEL2, (CE_NOTE, "mrsas_tgt_init target %d lun %d",
1607 tgt, lun));
1608
1609 instance = ADDR2MR(&sd->sd_address);
1610
1611 if (ndi_dev_is_persistent_node(tgt_dip) == 0) {
1612 /*
1613 * If no persistent node exists, we don't allow .conf node
1614 * to be created.
1615 */
1616 if ((child = mrsas_find_child(instance, tgt, lun)) != NULL) {
1617 con_log(CL_DLEVEL2,
1618 (CE_NOTE, "mrsas_tgt_init find child ="
1619 " %p t = %d l = %d", (void *)child, tgt, lun));
1620 if (ndi_merge_node(tgt_dip, mrsas_name_node) !=
1621 DDI_SUCCESS)
1622 /* Create this .conf node */
1623 return (DDI_SUCCESS);
1624 }
1625 con_log(CL_DLEVEL2, (CE_NOTE, "mrsas_tgt_init in ndi_per "
1626 "DDI_FAILURE t = %d l = %d", tgt, lun));
1627 return (DDI_FAILURE);
1628
1629 }
1630
1631 con_log(CL_DLEVEL2, (CE_NOTE, "mrsas_tgt_init dev_dip %p tgt_dip %p",
1632 (void *)instance->mr_ld_list[tgt].dip, (void *)tgt_dip));
1633
1634 if (tgt < MRDRV_MAX_LD && lun == 0) {
1635 if (instance->mr_ld_list[tgt].dip == NULL &&
1636 strcmp(ddi_driver_name(sd->sd_dev), "sd") == 0) {
1637 mutex_enter(&instance->config_dev_mtx);
1638 instance->mr_ld_list[tgt].dip = tgt_dip;
1639 instance->mr_ld_list[tgt].lun_type = MRSAS_LD_LUN;
1640 instance->mr_ld_list[tgt].flag = MRDRV_TGT_VALID;
1641 mutex_exit(&instance->config_dev_mtx);
1642 }
1643 }
1644
1645 #ifdef PDSUPPORT
1646 else if (instance->tbolt || instance->skinny) {
1647 if (instance->mr_tbolt_pd_list[tgt].dip == NULL) {
1648 mutex_enter(&instance->config_dev_mtx);
1649 instance->mr_tbolt_pd_list[tgt].dip = tgt_dip;
1650 instance->mr_tbolt_pd_list[tgt].flag =
1651 MRDRV_TGT_VALID;
1652 mutex_exit(&instance->config_dev_mtx);
1653 con_log(CL_ANN1, (CE_NOTE, "mrsas_tran_tgt_init:"
1654 "t%xl%x", tgt, lun));
1655 }
1656 }
1657 #endif
1658
1659 return (DDI_SUCCESS);
1660 }
1661
1662 /*ARGSUSED*/
1663 static void
1664 mrsas_tran_tgt_free(dev_info_t *hba_dip, dev_info_t *tgt_dip,
1665 scsi_hba_tran_t *hba_tran, struct scsi_device *sd)
1666 {
1667 struct mrsas_instance *instance;
1668 int tgt = sd->sd_address.a_target;
1669 int lun = sd->sd_address.a_lun;
1670
1671 instance = ADDR2MR(&sd->sd_address);
1672
1673 con_log(CL_DLEVEL2, (CE_NOTE, "tgt_free t = %d l = %d", tgt, lun));
1674
1675 if (tgt < MRDRV_MAX_LD && lun == 0) {
1676 if (instance->mr_ld_list[tgt].dip == tgt_dip) {
1677 mutex_enter(&instance->config_dev_mtx);
1678 instance->mr_ld_list[tgt].dip = NULL;
1679 mutex_exit(&instance->config_dev_mtx);
1680 }
1681 }
1682
1683 #ifdef PDSUPPORT
1684 else if (instance->tbolt || instance->skinny) {
1685 mutex_enter(&instance->config_dev_mtx);
1686 instance->mr_tbolt_pd_list[tgt].dip = NULL;
1687 mutex_exit(&instance->config_dev_mtx);
1688 con_log(CL_ANN1, (CE_NOTE, "tgt_free: Setting dip = NULL"
1689 "for tgt:%x", tgt));
1690 }
1691 #endif
1692
1693 }
1694
1695 dev_info_t *
1696 mrsas_find_child(struct mrsas_instance *instance, uint16_t tgt, uint8_t lun)
1697 {
1698 dev_info_t *child = NULL;
1699 char addr[SCSI_MAXNAMELEN];
1700 char tmp[MAXNAMELEN];
1701
1702 (void) sprintf(addr, "%x,%x", tgt, lun);
1703 for (child = ddi_get_child(instance->dip); child;
1704 child = ddi_get_next_sibling(child)) {
1705
1706 if (ndi_dev_is_persistent_node(child) == 0) {
1707 continue;
1708 }
1709
1710 if (mrsas_name_node(child, tmp, MAXNAMELEN) !=
1711 DDI_SUCCESS) {
1712 continue;
1713 }
1714
1715 if (strcmp(addr, tmp) == 0) {
1716 break;
1717 }
1718 }
1719 con_log(CL_DLEVEL2, (CE_NOTE, "mrsas_find_child: return child = %p",
1720 (void *)child));
1721 return (child);
1722 }
1723
1724 /*
1725 * mrsas_name_node -
1726 * @dip:
1727 * @name:
1728 * @len:
1729 */
1730 static int
1731 mrsas_name_node(dev_info_t *dip, char *name, int len)
1732 {
1733 int tgt, lun;
1734
1735 tgt = ddi_prop_get_int(DDI_DEV_T_ANY, dip,
1736 DDI_PROP_DONTPASS, "target", -1);
1737 con_log(CL_DLEVEL2, (CE_NOTE,
1738 "mrsas_name_node: dip %p tgt %d", (void *)dip, tgt));
1739 if (tgt == -1) {
1740 return (DDI_FAILURE);
1741 }
1742 lun = ddi_prop_get_int(DDI_DEV_T_ANY, dip, DDI_PROP_DONTPASS,
1743 "lun", -1);
1744 con_log(CL_DLEVEL2,
1745 (CE_NOTE, "mrsas_name_node: tgt %d lun %d", tgt, lun));
1746 if (lun == -1) {
1747 return (DDI_FAILURE);
1748 }
1749 (void) snprintf(name, len, "%x,%x", tgt, lun);
1750 return (DDI_SUCCESS);
1751 }
1752
1753 /*
1754 * tran_init_pkt - allocate & initialize a scsi_pkt structure
1755 * @ap:
1756 * @pkt:
1757 * @bp:
1758 * @cmdlen:
1759 * @statuslen:
1760 * @tgtlen:
1761 * @flags:
1762 * @callback:
1763 *
1764 * The tran_init_pkt() entry point allocates and initializes a scsi_pkt
1765 * structure and DMA resources for a target driver request. The
1766 * tran_init_pkt() entry point is called when the target driver calls the
1767 * SCSA function scsi_init_pkt(). Each call of the tran_init_pkt() entry point
1768 * is a request to perform one or more of three possible services:
1769 * - allocation and initialization of a scsi_pkt structure
1770 * - allocation of DMA resources for data transfer
1771 * - reallocation of DMA resources for the next portion of the data transfer
1772 */
1773 static struct scsi_pkt *
1774 mrsas_tran_init_pkt(struct scsi_address *ap, register struct scsi_pkt *pkt,
1775 struct buf *bp, int cmdlen, int statuslen, int tgtlen,
1776 int flags, int (*callback)(), caddr_t arg)
1777 {
1778 struct scsa_cmd *acmd;
1779 struct mrsas_instance *instance;
1780 struct scsi_pkt *new_pkt;
1781
1782 con_log(CL_DLEVEL1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
1783
1784 instance = ADDR2MR(ap);
1785
1786 /* step #1 : pkt allocation */
1787 if (pkt == NULL) {
1788 pkt = scsi_hba_pkt_alloc(instance->dip, ap, cmdlen, statuslen,
1789 tgtlen, sizeof (struct scsa_cmd), callback, arg);
1790 if (pkt == NULL) {
1791 return (NULL);
1792 }
1793
1794 acmd = PKT2CMD(pkt);
1795
1796 /*
1797 * Initialize the new pkt - we redundantly initialize
1798 * all the fields for illustrative purposes.
1799 */
1800 acmd->cmd_pkt = pkt;
1801 acmd->cmd_flags = 0;
1802 acmd->cmd_scblen = statuslen;
1803 acmd->cmd_cdblen = cmdlen;
1804 acmd->cmd_dmahandle = NULL;
1805 acmd->cmd_ncookies = 0;
1806 acmd->cmd_cookie = 0;
1807 acmd->cmd_cookiecnt = 0;
1808 acmd->cmd_nwin = 0;
1809
1810 pkt->pkt_address = *ap;
1811 pkt->pkt_comp = (void (*)())NULL;
1812 pkt->pkt_flags = 0;
1813 pkt->pkt_time = 0;
1814 pkt->pkt_resid = 0;
1815 pkt->pkt_state = 0;
1816 pkt->pkt_statistics = 0;
1817 pkt->pkt_reason = 0;
1818 new_pkt = pkt;
1819 } else {
1820 acmd = PKT2CMD(pkt);
1821 new_pkt = NULL;
1822 }
1823
1824 /* step #2 : dma allocation/move */
1825 if (bp && bp->b_bcount != 0) {
1826 if (acmd->cmd_dmahandle == NULL) {
1827 if (mrsas_dma_alloc(instance, pkt, bp, flags,
1828 callback) == DDI_FAILURE) {
1829 if (new_pkt) {
1830 scsi_hba_pkt_free(ap, new_pkt);
1831 }
1832 return ((struct scsi_pkt *)NULL);
1833 }
1834 } else {
1835 if (mrsas_dma_move(instance, pkt, bp) == DDI_FAILURE) {
1836 return ((struct scsi_pkt *)NULL);
1837 }
1838 }
1839 }
1840
1841 return (pkt);
1842 }
1843
1844 /*
1845 * tran_start - transport a SCSI command to the addressed target
1846 * @ap:
1847 * @pkt:
1848 *
1849 * The tran_start() entry point for a SCSI HBA driver is called to transport a
1850 * SCSI command to the addressed target. The SCSI command is described
1851 * entirely within the scsi_pkt structure, which the target driver allocated
1852 * through the HBA driver's tran_init_pkt() entry point. If the command
1853 * involves a data transfer, DMA resources must also have been allocated for
1854 * the scsi_pkt structure.
1855 *
1856 * Return Values :
1857 * TRAN_BUSY - request queue is full, no more free scbs
1858 * TRAN_ACCEPT - pkt has been submitted to the instance
1859 */
1860 static int
1861 mrsas_tran_start(struct scsi_address *ap, register struct scsi_pkt *pkt)
1862 {
1863 uchar_t cmd_done = 0;
1864
1865 struct mrsas_instance *instance = ADDR2MR(ap);
1866 struct mrsas_cmd *cmd;
1867
1868 con_log(CL_DLEVEL1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
1869 if (instance->deadadapter == 1) {
1870 con_log(CL_ANN1, (CE_WARN,
1871 "mrsas_tran_start: return TRAN_FATAL_ERROR "
1872 "for IO, as the HBA doesnt take any more IOs"));
1873 if (pkt) {
1874 pkt->pkt_reason = CMD_DEV_GONE;
1875 pkt->pkt_statistics = STAT_DISCON;
1876 }
1877 return (TRAN_FATAL_ERROR);
1878 }
1879
1880 if (instance->adapterresetinprogress) {
1881 con_log(CL_ANN1, (CE_NOTE, "mrsas_tran_start: Reset flag set, "
1882 "returning mfi_pkt and setting TRAN_BUSY\n"));
1883 return (TRAN_BUSY);
1884 }
1885
1886 con_log(CL_ANN1, (CE_CONT, "chkpnt:%s:%d:SCSI CDB[0]=0x%x time:%x",
1887 __func__, __LINE__, pkt->pkt_cdbp[0], pkt->pkt_time));
1888
1889 pkt->pkt_reason = CMD_CMPLT;
1890 *pkt->pkt_scbp = STATUS_GOOD; /* clear arq scsi_status */
1891
1892 cmd = build_cmd(instance, ap, pkt, &cmd_done);
1893
1894 /*
1895 * Check if the command is already completed by the mrsas_build_cmd()
1896 * routine. In which case the busy_flag would be clear and scb will be
1897 * NULL and appropriate reason provided in pkt_reason field
1898 */
1899 if (cmd_done) {
1900 pkt->pkt_reason = CMD_CMPLT;
1901 pkt->pkt_scbp[0] = STATUS_GOOD;
1902 pkt->pkt_state |= STATE_GOT_BUS | STATE_GOT_TARGET
1903 | STATE_SENT_CMD;
1904 if (((pkt->pkt_flags & FLAG_NOINTR) == 0) && pkt->pkt_comp) {
1905 (*pkt->pkt_comp)(pkt);
1906 }
1907
1908 return (TRAN_ACCEPT);
1909 }
1910
1911 if (cmd == NULL) {
1912 return (TRAN_BUSY);
1913 }
1914
1915 if ((pkt->pkt_flags & FLAG_NOINTR) == 0) {
1916 if (instance->fw_outstanding > instance->max_fw_cmds) {
1917 con_log(CL_ANN, (CE_CONT, "mr_sas:Firmware busy"));
1918 DTRACE_PROBE2(start_tran_err,
1919 uint16_t, instance->fw_outstanding,
1920 uint16_t, instance->max_fw_cmds);
1921 mrsas_return_mfi_pkt(instance, cmd);
1922 return (TRAN_BUSY);
1923 }
1924
1925 /* Synchronize the Cmd frame for the controller */
1926 (void) ddi_dma_sync(cmd->frame_dma_obj.dma_handle, 0, 0,
1927 DDI_DMA_SYNC_FORDEV);
1928 con_log(CL_ANN, (CE_CONT, "issue_cmd_ppc: SCSI CDB[0]=0x%x"
1929 "cmd->index:%x\n", pkt->pkt_cdbp[0], cmd->index));
1930 instance->func_ptr->issue_cmd(cmd, instance);
1931
1932 } else {
1933 struct mrsas_header *hdr = &cmd->frame->hdr;
1934
1935 instance->func_ptr->issue_cmd_in_poll_mode(instance, cmd);
1936
1937 pkt->pkt_reason = CMD_CMPLT;
1938 pkt->pkt_statistics = 0;
1939 pkt->pkt_state |= STATE_XFERRED_DATA | STATE_GOT_STATUS;
1940
1941 switch (ddi_get8(cmd->frame_dma_obj.acc_handle,
1942 &hdr->cmd_status)) {
1943 case MFI_STAT_OK:
1944 pkt->pkt_scbp[0] = STATUS_GOOD;
1945 break;
1946
1947 case MFI_STAT_SCSI_DONE_WITH_ERROR:
1948 con_log(CL_ANN, (CE_CONT,
1949 "mrsas_tran_start: scsi done with error"));
1950 pkt->pkt_reason = CMD_CMPLT;
1951 pkt->pkt_statistics = 0;
1952
1953 ((struct scsi_status *)pkt->pkt_scbp)->sts_chk = 1;
1954 break;
1955
1956 case MFI_STAT_DEVICE_NOT_FOUND:
1957 con_log(CL_ANN, (CE_CONT,
1958 "mrsas_tran_start: device not found error"));
1959 pkt->pkt_reason = CMD_DEV_GONE;
1960 pkt->pkt_statistics = STAT_DISCON;
1961 break;
1962
1963 default:
1964 ((struct scsi_status *)pkt->pkt_scbp)->sts_busy = 1;
1965 }
1966
1967 (void) mrsas_common_check(instance, cmd);
1968 DTRACE_PROBE2(start_nointr_done, uint8_t, hdr->cmd,
1969 uint8_t, hdr->cmd_status);
1970 mrsas_return_mfi_pkt(instance, cmd);
1971
1972 if (pkt->pkt_comp) {
1973 (*pkt->pkt_comp)(pkt);
1974 }
1975
1976 }
1977
1978 return (TRAN_ACCEPT);
1979 }
1980
1981 /*
1982 * tran_abort - Abort any commands that are currently in transport
1983 * @ap:
1984 * @pkt:
1985 *
1986 * The tran_abort() entry point for a SCSI HBA driver is called to abort any
1987 * commands that are currently in transport for a particular target. This entry
1988 * point is called when a target driver calls scsi_abort(). The tran_abort()
1989 * entry point should attempt to abort the command denoted by the pkt
1990 * parameter. If the pkt parameter is NULL, tran_abort() should attempt to
1991 * abort all outstanding commands in the transport layer for the particular
1992 * target or logical unit.
1993 */
1994 /*ARGSUSED*/
1995 static int
1996 mrsas_tran_abort(struct scsi_address *ap, struct scsi_pkt *pkt)
1997 {
1998 con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
1999
2000 /* abort command not supported by H/W */
2001
2002 return (DDI_FAILURE);
2003 }
2004
2005 /*
2006 * tran_reset - reset either the SCSI bus or target
2007 * @ap:
2008 * @level:
2009 *
2010 * The tran_reset() entry point for a SCSI HBA driver is called to reset either
2011 * the SCSI bus or a particular SCSI target device. This entry point is called
2012 * when a target driver calls scsi_reset(). The tran_reset() entry point must
2013 * reset the SCSI bus if level is RESET_ALL. If level is RESET_TARGET, just the
2014 * particular target or logical unit must be reset.
2015 */
2016 /*ARGSUSED*/
2017 static int
2018 mrsas_tran_reset(struct scsi_address *ap, int level)
2019 {
2020 struct mrsas_instance *instance = ADDR2MR(ap);
2021
2022 con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
2023
2024 if (wait_for_outstanding(instance)) {
2025 con_log(CL_ANN1,
2026 (CE_CONT, "wait_for_outstanding: return FAIL.\n"));
2027 return (DDI_FAILURE);
2028 } else {
2029 return (DDI_SUCCESS);
2030 }
2031 }
2032
2033 /*
2034 * tran_getcap - get one of a set of SCSA-defined capabilities
2035 * @ap:
2036 * @cap:
2037 * @whom:
2038 *
2039 * The target driver can request the current setting of the capability for a
2040 * particular target by setting the whom parameter to nonzero. A whom value of
2041 * zero indicates a request for the current setting of the general capability
2042 * for the SCSI bus or for adapter hardware. The tran_getcap() should return -1
2043 * for undefined capabilities or the current value of the requested capability.
2044 */
2045 /*ARGSUSED*/
2046 static int
2047 mrsas_tran_getcap(struct scsi_address *ap, char *cap, int whom)
2048 {
2049 int rval = 0;
2050
2051 struct mrsas_instance *instance = ADDR2MR(ap);
2052
2053 con_log(CL_DLEVEL2, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
2054
2055 /* we do allow inquiring about capabilities for other targets */
2056 if (cap == NULL) {
2057 return (-1);
2058 }
2059
2060 switch (scsi_hba_lookup_capstr(cap)) {
2061 case SCSI_CAP_DMA_MAX:
2062 if (instance->tbolt) {
2063 /* Limit to 256k max transfer */
2064 rval = mrsas_tbolt_max_cap_maxxfer;
2065 } else {
2066 /* Limit to 16MB max transfer */
2067 rval = mrsas_max_cap_maxxfer;
2068 }
2069 break;
2070 case SCSI_CAP_MSG_OUT:
2071 rval = 1;
2072 break;
2073 case SCSI_CAP_DISCONNECT:
2074 rval = 0;
2075 break;
2076 case SCSI_CAP_SYNCHRONOUS:
2077 rval = 0;
2078 break;
2079 case SCSI_CAP_WIDE_XFER:
2080 rval = 1;
2081 break;
2082 case SCSI_CAP_TAGGED_QING:
2083 rval = 1;
2084 break;
2085 case SCSI_CAP_UNTAGGED_QING:
2086 rval = 1;
2087 break;
2088 case SCSI_CAP_PARITY:
2089 rval = 1;
2090 break;
2091 case SCSI_CAP_INITIATOR_ID:
2092 rval = instance->init_id;
2093 break;
2094 case SCSI_CAP_ARQ:
2095 rval = 1;
2096 break;
2097 case SCSI_CAP_LINKED_CMDS:
2098 rval = 0;
2099 break;
2100 case SCSI_CAP_RESET_NOTIFICATION:
2101 rval = 1;
2102 break;
2103 case SCSI_CAP_GEOMETRY:
2104 rval = -1;
2105
2106 break;
2107 default:
2108 con_log(CL_DLEVEL2, (CE_NOTE, "Default cap coming 0x%x",
2109 scsi_hba_lookup_capstr(cap)));
2110 rval = -1;
2111 break;
2112 }
2113
2114 return (rval);
2115 }
2116
2117 /*
2118 * tran_setcap - set one of a set of SCSA-defined capabilities
2119 * @ap:
2120 * @cap:
2121 * @value:
2122 * @whom:
2123 *
2124 * The target driver might request that the new value be set for a particular
2125 * target by setting the whom parameter to nonzero. A whom value of zero
2126 * means that request is to set the new value for the SCSI bus or for adapter
2127 * hardware in general.
2128 * The tran_setcap() should return the following values as appropriate:
2129 * - -1 for undefined capabilities
2130 * - 0 if the HBA driver cannot set the capability to the requested value
2131 * - 1 if the HBA driver is able to set the capability to the requested value
2132 */
2133 /*ARGSUSED*/
2134 static int
2135 mrsas_tran_setcap(struct scsi_address *ap, char *cap, int value, int whom)
2136 {
2137 int rval = 1;
2138
2139 con_log(CL_DLEVEL2, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
2140
2141 /* We don't allow setting capabilities for other targets */
2142 if (cap == NULL || whom == 0) {
2143 return (-1);
2144 }
2145
2146 switch (scsi_hba_lookup_capstr(cap)) {
2147 case SCSI_CAP_DMA_MAX:
2148 case SCSI_CAP_MSG_OUT:
2149 case SCSI_CAP_PARITY:
2150 case SCSI_CAP_LINKED_CMDS:
2151 case SCSI_CAP_RESET_NOTIFICATION:
2152 case SCSI_CAP_DISCONNECT:
2153 case SCSI_CAP_SYNCHRONOUS:
2154 case SCSI_CAP_UNTAGGED_QING:
2155 case SCSI_CAP_WIDE_XFER:
2156 case SCSI_CAP_INITIATOR_ID:
2157 case SCSI_CAP_ARQ:
2158 /*
2159 * None of these are settable via
2160 * the capability interface.
2161 */
2162 break;
2163 case SCSI_CAP_TAGGED_QING:
2164 rval = 1;
2165 break;
2166 case SCSI_CAP_SECTOR_SIZE:
2167 rval = 1;
2168 break;
2169
2170 case SCSI_CAP_TOTAL_SECTORS:
2171 rval = 1;
2172 break;
2173 default:
2174 rval = -1;
2175 break;
2176 }
2177
2178 return (rval);
2179 }
2180
2181 /*
2182 * tran_destroy_pkt - deallocate scsi_pkt structure
2183 * @ap:
2184 * @pkt:
2185 *
2186 * The tran_destroy_pkt() entry point is the HBA driver function that
2187 * deallocates scsi_pkt structures. The tran_destroy_pkt() entry point is
2188 * called when the target driver calls scsi_destroy_pkt(). The
2189 * tran_destroy_pkt() entry point must free any DMA resources that have been
2190 * allocated for the packet. An implicit DMA synchronization occurs if the
2191 * DMA resources are freed and any cached data remains after the completion
2192 * of the transfer.
2193 */
2194 static void
2195 mrsas_tran_destroy_pkt(struct scsi_address *ap, struct scsi_pkt *pkt)
2196 {
2197 struct scsa_cmd *acmd = PKT2CMD(pkt);
2198
2199 con_log(CL_DLEVEL2, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
2200
2201 if (acmd->cmd_flags & CFLAG_DMAVALID) {
2202 acmd->cmd_flags &= ~CFLAG_DMAVALID;
2203
2204 (void) ddi_dma_unbind_handle(acmd->cmd_dmahandle);
2205
2206 ddi_dma_free_handle(&acmd->cmd_dmahandle);
2207
2208 acmd->cmd_dmahandle = NULL;
2209 }
2210
2211 /* free the pkt */
2212 scsi_hba_pkt_free(ap, pkt);
2213 }
2214
2215 /*
2216 * tran_dmafree - deallocates DMA resources
2217 * @ap:
2218 * @pkt:
2219 *
2220 * The tran_dmafree() entry point deallocates DMAQ resources that have been
2221 * allocated for a scsi_pkt structure. The tran_dmafree() entry point is
2222 * called when the target driver calls scsi_dmafree(). The tran_dmafree() must
2223 * free only DMA resources allocated for a scsi_pkt structure, not the
2224 * scsi_pkt itself. When DMA resources are freed, a DMA synchronization is
2225 * implicitly performed.
2226 */
2227 /*ARGSUSED*/
2228 static void
2229 mrsas_tran_dmafree(struct scsi_address *ap, struct scsi_pkt *pkt)
2230 {
2231 register struct scsa_cmd *acmd = PKT2CMD(pkt);
2232
2233 con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
2234
2235 if (acmd->cmd_flags & CFLAG_DMAVALID) {
2236 acmd->cmd_flags &= ~CFLAG_DMAVALID;
2237
2238 (void) ddi_dma_unbind_handle(acmd->cmd_dmahandle);
2239
2240 ddi_dma_free_handle(&acmd->cmd_dmahandle);
2241
2242 acmd->cmd_dmahandle = NULL;
2243 }
2244 }
2245
2246 /*
2247 * tran_sync_pkt - synchronize the DMA object allocated
2248 * @ap:
2249 * @pkt:
2250 *
2251 * The tran_sync_pkt() entry point synchronizes the DMA object allocated for
2252 * the scsi_pkt structure before or after a DMA transfer. The tran_sync_pkt()
2253 * entry point is called when the target driver calls scsi_sync_pkt(). If the
2254 * data transfer direction is a DMA read from device to memory, tran_sync_pkt()
2255 * must synchronize the CPU's view of the data. If the data transfer direction
2256 * is a DMA write from memory to device, tran_sync_pkt() must synchronize the
2257 * device's view of the data.
2258 */
2259 /*ARGSUSED*/
2260 static void
2261 mrsas_tran_sync_pkt(struct scsi_address *ap, struct scsi_pkt *pkt)
2262 {
2263 register struct scsa_cmd *acmd = PKT2CMD(pkt);
2264
2265 con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
2266
2267 if (acmd->cmd_flags & CFLAG_DMAVALID) {
2268 (void) ddi_dma_sync(acmd->cmd_dmahandle, acmd->cmd_dma_offset,
2269 acmd->cmd_dma_len, (acmd->cmd_flags & CFLAG_DMASEND) ?
2270 DDI_DMA_SYNC_FORDEV : DDI_DMA_SYNC_FORCPU);
2271 }
2272 }
2273
2274 /*ARGSUSED*/
2275 static int
2276 mrsas_tran_quiesce(dev_info_t *dip)
2277 {
2278 con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
2279
2280 return (1);
2281 }
2282
2283 /*ARGSUSED*/
2284 static int
2285 mrsas_tran_unquiesce(dev_info_t *dip)
2286 {
2287 con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
2288
2289 return (1);
2290 }
2291
2292
2293 /*
2294 * mrsas_isr(caddr_t)
2295 *
2296 * The Interrupt Service Routine
2297 *
2298 * Collect status for all completed commands and do callback
2299 *
2300 */
2301 static uint_t
2302 mrsas_isr(struct mrsas_instance *instance)
2303 {
2304 int need_softintr;
2305 uint32_t producer;
2306 uint32_t consumer;
2307 uint32_t context;
2308 int retval;
2309
2310 struct mrsas_cmd *cmd;
2311 struct mrsas_header *hdr;
2312 struct scsi_pkt *pkt;
2313
2314 con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
2315 ASSERT(instance);
2316 if (instance->tbolt) {
2317 mutex_enter(&instance->chip_mtx);
2318 if ((instance->intr_type == DDI_INTR_TYPE_FIXED) &&
2319 !(instance->func_ptr->intr_ack(instance))) {
2320 mutex_exit(&instance->chip_mtx);
2321 return (DDI_INTR_UNCLAIMED);
2322 }
2323 retval = mr_sas_tbolt_process_outstanding_cmd(instance);
2324 mutex_exit(&instance->chip_mtx);
2325 return (retval);
2326 } else {
2327 if ((instance->intr_type == DDI_INTR_TYPE_FIXED) &&
2328 !instance->func_ptr->intr_ack(instance)) {
2329 return (DDI_INTR_UNCLAIMED);
2330 }
2331 }
2332
2333 (void) ddi_dma_sync(instance->mfi_internal_dma_obj.dma_handle,
2334 0, 0, DDI_DMA_SYNC_FORCPU);
2335
2336 if (mrsas_check_dma_handle(instance->mfi_internal_dma_obj.dma_handle)
2337 != DDI_SUCCESS) {
2338 mrsas_fm_ereport(instance, DDI_FM_DEVICE_NO_RESPONSE);
2339 ddi_fm_service_impact(instance->dip, DDI_SERVICE_LOST);
2340 con_log(CL_ANN1, (CE_WARN,
2341 "mr_sas_isr(): FMA check, returning DDI_INTR_UNCLAIMED"));
2342 return (DDI_INTR_CLAIMED);
2343 }
2344 con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
2345
2346 #ifdef OCRDEBUG
2347 if (debug_consecutive_timeout_after_ocr_g == 1) {
2348 con_log(CL_ANN1, (CE_NOTE,
2349 "simulating consecutive timeout after ocr"));
2350 return (DDI_INTR_CLAIMED);
2351 }
2352 #endif
2353
2354 mutex_enter(&instance->completed_pool_mtx);
2355 mutex_enter(&instance->cmd_pend_mtx);
2356
2357 producer = ddi_get32(instance->mfi_internal_dma_obj.acc_handle,
2358 instance->producer);
2359 consumer = ddi_get32(instance->mfi_internal_dma_obj.acc_handle,
2360 instance->consumer);
2361
2362 con_log(CL_ANN, (CE_CONT, " producer %x consumer %x ",
2363 producer, consumer));
2364 if (producer == consumer) {
2365 con_log(CL_ANN, (CE_WARN, "producer == consumer case"));
2366 DTRACE_PROBE2(isr_pc_err, uint32_t, producer,
2367 uint32_t, consumer);
2368 mutex_exit(&instance->cmd_pend_mtx);
2369 mutex_exit(&instance->completed_pool_mtx);
2370 return (DDI_INTR_CLAIMED);
2371 }
2372
2373 while (consumer != producer) {
2374 context = ddi_get32(instance->mfi_internal_dma_obj.acc_handle,
2375 &instance->reply_queue[consumer]);
2376 cmd = instance->cmd_list[context];
2377
2378 if (cmd->sync_cmd == MRSAS_TRUE) {
2379 hdr = (struct mrsas_header *)&cmd->frame->hdr;
2380 if (hdr) {
2381 mlist_del_init(&cmd->list);
2382 }
2383 } else {
2384 pkt = cmd->pkt;
2385 if (pkt) {
2386 mlist_del_init(&cmd->list);
2387 }
2388 }
2389
2390 mlist_add_tail(&cmd->list, &instance->completed_pool_list);
2391
2392 consumer++;
2393 if (consumer == (instance->max_fw_cmds + 1)) {
2394 consumer = 0;
2395 }
2396 }
2397 ddi_put32(instance->mfi_internal_dma_obj.acc_handle,
2398 instance->consumer, consumer);
2399 mutex_exit(&instance->cmd_pend_mtx);
2400 mutex_exit(&instance->completed_pool_mtx);
2401
2402 (void) ddi_dma_sync(instance->mfi_internal_dma_obj.dma_handle,
2403 0, 0, DDI_DMA_SYNC_FORDEV);
2404
2405 if (instance->softint_running) {
2406 need_softintr = 0;
2407 } else {
2408 need_softintr = 1;
2409 }
2410
2411 if (instance->isr_level == HIGH_LEVEL_INTR) {
2412 if (need_softintr) {
2413 ddi_trigger_softintr(instance->soft_intr_id);
2414 }
2415 } else {
2416 /*
2417 * Not a high-level interrupt, therefore call the soft level
2418 * interrupt explicitly
2419 */
2420 (void) mrsas_softintr(instance);
2421 }
2422
2423 return (DDI_INTR_CLAIMED);
2424 }
2425
2426
2427 /*
2428 * ************************************************************************** *
2429 * *
2430 * libraries *
2431 * *
2432 * ************************************************************************** *
2433 */
2434 /*
2435 * get_mfi_pkt : Get a command from the free pool
2436 * After successful allocation, the caller of this routine
2437 * must clear the frame buffer (memset to zero) before
2438 * using the packet further.
2439 *
2440 * ***** Note *****
2441 * After clearing the frame buffer the context id of the
2442 * frame buffer SHOULD be restored back.
2443 */
2444 struct mrsas_cmd *
2445 mrsas_get_mfi_pkt(struct mrsas_instance *instance)
2446 {
2447 mlist_t *head = &instance->cmd_pool_list;
2448 struct mrsas_cmd *cmd = NULL;
2449
2450 mutex_enter(&instance->cmd_pool_mtx);
2451
2452 if (!mlist_empty(head)) {
2453 cmd = mlist_entry(head->next, struct mrsas_cmd, list);
2454 mlist_del_init(head->next);
2455 }
2456 if (cmd != NULL) {
2457 cmd->pkt = NULL;
2458 cmd->retry_count_for_ocr = 0;
2459 cmd->drv_pkt_time = 0;
2460
2461 }
2462 mutex_exit(&instance->cmd_pool_mtx);
2463
2464 return (cmd);
2465 }
2466
2467 static struct mrsas_cmd *
2468 get_mfi_app_pkt(struct mrsas_instance *instance)
2469 {
2470 mlist_t *head = &instance->app_cmd_pool_list;
2471 struct mrsas_cmd *cmd = NULL;
2472
2473 mutex_enter(&instance->app_cmd_pool_mtx);
2474
2475 if (!mlist_empty(head)) {
2476 cmd = mlist_entry(head->next, struct mrsas_cmd, list);
2477 mlist_del_init(head->next);
2478 }
2479 if (cmd != NULL) {
2480 cmd->pkt = NULL;
2481 cmd->retry_count_for_ocr = 0;
2482 cmd->drv_pkt_time = 0;
2483 }
2484
2485 mutex_exit(&instance->app_cmd_pool_mtx);
2486
2487 return (cmd);
2488 }
2489 /*
2490 * return_mfi_pkt : Return a cmd to free command pool
2491 */
2492 void
2493 mrsas_return_mfi_pkt(struct mrsas_instance *instance, struct mrsas_cmd *cmd)
2494 {
2495 mutex_enter(&instance->cmd_pool_mtx);
2496 /* use mlist_add_tail for debug assistance */
2497 mlist_add_tail(&cmd->list, &instance->cmd_pool_list);
2498
2499 mutex_exit(&instance->cmd_pool_mtx);
2500 }
2501
2502 static void
2503 return_mfi_app_pkt(struct mrsas_instance *instance, struct mrsas_cmd *cmd)
2504 {
2505 mutex_enter(&instance->app_cmd_pool_mtx);
2506
2507 mlist_add(&cmd->list, &instance->app_cmd_pool_list);
2508
2509 mutex_exit(&instance->app_cmd_pool_mtx);
2510 }
2511 void
2512 push_pending_mfi_pkt(struct mrsas_instance *instance, struct mrsas_cmd *cmd)
2513 {
2514 struct scsi_pkt *pkt;
2515 struct mrsas_header *hdr;
2516 con_log(CL_DLEVEL2, (CE_NOTE, "push_pending_pkt(): Called\n"));
2517 mutex_enter(&instance->cmd_pend_mtx);
2518 mlist_del_init(&cmd->list);
2519 mlist_add_tail(&cmd->list, &instance->cmd_pend_list);
2520 if (cmd->sync_cmd == MRSAS_TRUE) {
2521 hdr = (struct mrsas_header *)&cmd->frame->hdr;
2522 if (hdr) {
2523 con_log(CL_ANN1, (CE_CONT,
2524 "push_pending_mfi_pkt: "
2525 "cmd %p index %x "
2526 "time %llx",
2527 (void *)cmd, cmd->index,
2528 gethrtime()));
2529 /* Wait for specified interval */
2530 cmd->drv_pkt_time = ddi_get16(
2531 cmd->frame_dma_obj.acc_handle, &hdr->timeout);
2532 if (cmd->drv_pkt_time < debug_timeout_g)
2533 cmd->drv_pkt_time = (uint16_t)debug_timeout_g;
2534 con_log(CL_ANN1, (CE_CONT,
2535 "push_pending_pkt(): "
2536 "Called IO Timeout Value %x\n",
2537 cmd->drv_pkt_time));
2538 }
2539 if (hdr && instance->timeout_id == (timeout_id_t)-1) {
2540 instance->timeout_id = timeout(io_timeout_checker,
2541 (void *) instance, drv_usectohz(MRSAS_1_SECOND));
2542 }
2543 } else {
2544 pkt = cmd->pkt;
2545 if (pkt) {
2546 con_log(CL_ANN1, (CE_CONT,
2547 "push_pending_mfi_pkt: "
2548 "cmd %p index %x pkt %p, "
2549 "time %llx",
2550 (void *)cmd, cmd->index, (void *)pkt,
2551 gethrtime()));
2552 cmd->drv_pkt_time = (uint16_t)debug_timeout_g;
2553 }
2554 if (pkt && instance->timeout_id == (timeout_id_t)-1) {
2555 instance->timeout_id = timeout(io_timeout_checker,
2556 (void *) instance, drv_usectohz(MRSAS_1_SECOND));
2557 }
2558 }
2559
2560 mutex_exit(&instance->cmd_pend_mtx);
2561
2562 }
2563
2564 int
2565 mrsas_print_pending_cmds(struct mrsas_instance *instance)
2566 {
2567 mlist_t *head = &instance->cmd_pend_list;
2568 mlist_t *tmp = head;
2569 struct mrsas_cmd *cmd = NULL;
2570 struct mrsas_header *hdr;
2571 unsigned int flag = 1;
2572 struct scsi_pkt *pkt;
2573 int saved_level;
2574 int cmd_count = 0;
2575
2576 saved_level = debug_level_g;
2577 debug_level_g = CL_ANN1;
2578
2579 dev_err(instance->dip, CE_NOTE,
2580 "mrsas_print_pending_cmds(): Called");
2581
2582 while (flag) {
2583 mutex_enter(&instance->cmd_pend_mtx);
2584 tmp = tmp->next;
2585 if (tmp == head) {
2586 mutex_exit(&instance->cmd_pend_mtx);
2587 flag = 0;
2588 con_log(CL_ANN1, (CE_CONT, "mrsas_print_pending_cmds():"
2589 " NO MORE CMDS PENDING....\n"));
2590 break;
2591 } else {
2592 cmd = mlist_entry(tmp, struct mrsas_cmd, list);
2593 mutex_exit(&instance->cmd_pend_mtx);
2594 if (cmd) {
2595 if (cmd->sync_cmd == MRSAS_TRUE) {
2596 hdr = (struct mrsas_header *)
2597 &cmd->frame->hdr;
2598 if (hdr) {
2599 con_log(CL_ANN1, (CE_CONT,
2600 "print: cmd %p index 0x%x "
2601 "drv_pkt_time 0x%x (NO-PKT)"
2602 " hdr %p\n", (void *)cmd,
2603 cmd->index,
2604 cmd->drv_pkt_time,
2605 (void *)hdr));
2606 }
2607 } else {
2608 pkt = cmd->pkt;
2609 if (pkt) {
2610 con_log(CL_ANN1, (CE_CONT,
2611 "print: cmd %p index 0x%x "
2612 "drv_pkt_time 0x%x pkt %p \n",
2613 (void *)cmd, cmd->index,
2614 cmd->drv_pkt_time, (void *)pkt));
2615 }
2616 }
2617
2618 if (++cmd_count == 1) {
2619 mrsas_print_cmd_details(instance, cmd,
2620 0xDD);
2621 } else {
2622 mrsas_print_cmd_details(instance, cmd,
2623 1);
2624 }
2625
2626 }
2627 }
2628 }
2629 con_log(CL_ANN1, (CE_CONT, "mrsas_print_pending_cmds(): Done\n"));
2630
2631
2632 debug_level_g = saved_level;
2633
2634 return (DDI_SUCCESS);
2635 }
2636
2637
2638 int
2639 mrsas_complete_pending_cmds(struct mrsas_instance *instance)
2640 {
2641
2642 struct mrsas_cmd *cmd = NULL;
2643 struct scsi_pkt *pkt;
2644 struct mrsas_header *hdr;
2645
2646 struct mlist_head *pos, *next;
2647
2648 con_log(CL_ANN1, (CE_NOTE,
2649 "mrsas_complete_pending_cmds(): Called"));
2650
2651 mutex_enter(&instance->cmd_pend_mtx);
2652 mlist_for_each_safe(pos, next, &instance->cmd_pend_list) {
2653 cmd = mlist_entry(pos, struct mrsas_cmd, list);
2654 if (cmd) {
2655 pkt = cmd->pkt;
2656 if (pkt) { /* for IO */
2657 if (((pkt->pkt_flags & FLAG_NOINTR)
2658 == 0) && pkt->pkt_comp) {
2659 pkt->pkt_reason
2660 = CMD_DEV_GONE;
2661 pkt->pkt_statistics
2662 = STAT_DISCON;
2663 con_log(CL_ANN1, (CE_CONT,
2664 "fail and posting to scsa "
2665 "cmd %p index %x"
2666 " pkt %p "
2667 "time : %llx",
2668 (void *)cmd, cmd->index,
2669 (void *)pkt, gethrtime()));
2670 (*pkt->pkt_comp)(pkt);
2671 }
2672 } else { /* for DCMDS */
2673 if (cmd->sync_cmd == MRSAS_TRUE) {
2674 hdr = (struct mrsas_header *)&cmd->frame->hdr;
2675 con_log(CL_ANN1, (CE_CONT,
2676 "posting invalid status to application "
2677 "cmd %p index %x"
2678 " hdr %p "
2679 "time : %llx",
2680 (void *)cmd, cmd->index,
2681 (void *)hdr, gethrtime()));
2682 hdr->cmd_status = MFI_STAT_INVALID_STATUS;
2683 complete_cmd_in_sync_mode(instance, cmd);
2684 }
2685 }
2686 mlist_del_init(&cmd->list);
2687 } else {
2688 con_log(CL_ANN1, (CE_CONT,
2689 "mrsas_complete_pending_cmds:"
2690 "NULL command\n"));
2691 }
2692 con_log(CL_ANN1, (CE_CONT,
2693 "mrsas_complete_pending_cmds:"
2694 "looping for more commands\n"));
2695 }
2696 mutex_exit(&instance->cmd_pend_mtx);
2697
2698 con_log(CL_ANN1, (CE_CONT, "mrsas_complete_pending_cmds(): DONE\n"));
2699 return (DDI_SUCCESS);
2700 }
2701
2702 void
2703 mrsas_print_cmd_details(struct mrsas_instance *instance, struct mrsas_cmd *cmd,
2704 int detail)
2705 {
2706 struct scsi_pkt *pkt = cmd->pkt;
2707 Mpi2RaidSCSIIORequest_t *scsi_io = cmd->scsi_io_request;
2708 int i;
2709 int saved_level;
2710 ddi_acc_handle_t acc_handle =
2711 instance->mpi2_frame_pool_dma_obj.acc_handle;
2712
2713 if (detail == 0xDD) {
2714 saved_level = debug_level_g;
2715 debug_level_g = CL_ANN1;
2716 }
2717
2718
2719 if (instance->tbolt) {
2720 con_log(CL_ANN1, (CE_CONT, "print_cmd_details: cmd %p "
2721 "cmd->index 0x%x SMID 0x%x timer 0x%x sec\n",
2722 (void *)cmd, cmd->index, cmd->SMID, cmd->drv_pkt_time));
2723 } else {
2724 con_log(CL_ANN1, (CE_CONT, "print_cmd_details: cmd %p "
2725 "cmd->index 0x%x timer 0x%x sec\n",
2726 (void *)cmd, cmd->index, cmd->drv_pkt_time));
2727 }
2728
2729 if (pkt) {
2730 con_log(CL_ANN1, (CE_CONT, "scsi_pkt CDB[0]=0x%x",
2731 pkt->pkt_cdbp[0]));
2732 } else {
2733 con_log(CL_ANN1, (CE_CONT, "NO-PKT"));
2734 }
2735
2736 if ((detail == 0xDD) && instance->tbolt) {
2737 con_log(CL_ANN1, (CE_CONT, "RAID_SCSI_IO_REQUEST\n"));
2738 con_log(CL_ANN1, (CE_CONT, "DevHandle=0x%X Function=0x%X "
2739 "IoFlags=0x%X SGLFlags=0x%X DataLength=0x%X\n",
2740 ddi_get16(acc_handle, &scsi_io->DevHandle),
2741 ddi_get8(acc_handle, &scsi_io->Function),
2742 ddi_get16(acc_handle, &scsi_io->IoFlags),
2743 ddi_get16(acc_handle, &scsi_io->SGLFlags),
2744 ddi_get32(acc_handle, &scsi_io->DataLength)));
2745
2746 for (i = 0; i < 32; i++) {
2747 con_log(CL_ANN1, (CE_CONT, "CDB[%d]=0x%x ", i,
2748 ddi_get8(acc_handle, &scsi_io->CDB.CDB32[i])));
2749 }
2750
2751 con_log(CL_ANN1, (CE_CONT, "RAID-CONTEXT\n"));
2752 con_log(CL_ANN1, (CE_CONT, "status=0x%X extStatus=0x%X "
2753 "ldTargetId=0x%X timeoutValue=0x%X regLockFlags=0x%X "
2754 "RAIDFlags=0x%X regLockRowLBA=0x%" PRIu64
2755 " regLockLength=0x%X spanArm=0x%X\n",
2756 ddi_get8(acc_handle, &scsi_io->RaidContext.status),
2757 ddi_get8(acc_handle, &scsi_io->RaidContext.extStatus),
2758 ddi_get16(acc_handle, &scsi_io->RaidContext.ldTargetId),
2759 ddi_get16(acc_handle, &scsi_io->RaidContext.timeoutValue),
2760 ddi_get8(acc_handle, &scsi_io->RaidContext.regLockFlags),
2761 ddi_get8(acc_handle, &scsi_io->RaidContext.RAIDFlags),
2762 ddi_get64(acc_handle, &scsi_io->RaidContext.regLockRowLBA),
2763 ddi_get32(acc_handle, &scsi_io->RaidContext.regLockLength),
2764 ddi_get8(acc_handle, &scsi_io->RaidContext.spanArm)));
2765 }
2766
2767 if (detail == 0xDD) {
2768 debug_level_g = saved_level;
2769 }
2770 }
2771
2772
2773 int
2774 mrsas_issue_pending_cmds(struct mrsas_instance *instance)
2775 {
2776 mlist_t *head = &instance->cmd_pend_list;
2777 mlist_t *tmp = head->next;
2778 struct mrsas_cmd *cmd = NULL;
2779 struct scsi_pkt *pkt;
2780
2781 con_log(CL_ANN1, (CE_NOTE, "mrsas_issue_pending_cmds(): Called"));
2782 while (tmp != head) {
2783 mutex_enter(&instance->cmd_pend_mtx);
2784 cmd = mlist_entry(tmp, struct mrsas_cmd, list);
2785 tmp = tmp->next;
2786 mutex_exit(&instance->cmd_pend_mtx);
2787 if (cmd) {
2788 con_log(CL_ANN1, (CE_CONT,
2789 "mrsas_issue_pending_cmds(): "
2790 "Got a cmd: cmd %p index 0x%x drv_pkt_time 0x%x ",
2791 (void *)cmd, cmd->index, cmd->drv_pkt_time));
2792
2793 /* Reset command timeout value */
2794 if (cmd->drv_pkt_time < debug_timeout_g)
2795 cmd->drv_pkt_time = (uint16_t)debug_timeout_g;
2796
2797 cmd->retry_count_for_ocr++;
2798
2799 dev_err(instance->dip, CE_CONT,
2800 "cmd retry count = %d\n",
2801 cmd->retry_count_for_ocr);
2802
2803 if (cmd->retry_count_for_ocr > IO_RETRY_COUNT) {
2804 dev_err(instance->dip,
2805 CE_WARN, "mrsas_issue_pending_cmds(): "
2806 "cmd->retry_count exceeded limit >%d\n",
2807 IO_RETRY_COUNT);
2808 mrsas_print_cmd_details(instance, cmd, 0xDD);
2809
2810 dev_err(instance->dip, CE_WARN,
2811 "mrsas_issue_pending_cmds():"
2812 "Calling KILL Adapter");
2813 if (instance->tbolt)
2814 mrsas_tbolt_kill_adapter(instance);
2815 else
2816 (void) mrsas_kill_adapter(instance);
2817 return (DDI_FAILURE);
2818 }
2819
2820 pkt = cmd->pkt;
2821 if (pkt) {
2822 con_log(CL_ANN1, (CE_CONT,
2823 "PENDING PKT-CMD ISSUE: cmd %p index %x "
2824 "pkt %p time %llx",
2825 (void *)cmd, cmd->index,
2826 (void *)pkt,
2827 gethrtime()));
2828
2829 } else {
2830 dev_err(instance->dip, CE_CONT,
2831 "mrsas_issue_pending_cmds(): NO-PKT, "
2832 "cmd %p index 0x%x drv_pkt_time 0x%x",
2833 (void *)cmd, cmd->index, cmd->drv_pkt_time);
2834 }
2835
2836
2837 if (cmd->sync_cmd == MRSAS_TRUE) {
2838 dev_err(instance->dip, CE_CONT,
2839 "mrsas_issue_pending_cmds(): "
2840 "SYNC_CMD == TRUE \n");
2841 instance->func_ptr->issue_cmd_in_sync_mode(
2842 instance, cmd);
2843 } else {
2844 instance->func_ptr->issue_cmd(cmd, instance);
2845 }
2846 } else {
2847 con_log(CL_ANN1, (CE_CONT,
2848 "mrsas_issue_pending_cmds: NULL command\n"));
2849 }
2850 con_log(CL_ANN1, (CE_CONT,
2851 "mrsas_issue_pending_cmds:"
2852 "looping for more commands"));
2853 }
2854 con_log(CL_ANN1, (CE_CONT, "mrsas_issue_pending_cmds(): DONE\n"));
2855 return (DDI_SUCCESS);
2856 }
2857
2858
2859
2860 /*
2861 * destroy_mfi_frame_pool
2862 */
2863 void
2864 destroy_mfi_frame_pool(struct mrsas_instance *instance)
2865 {
2866 int i;
2867 uint32_t max_cmd = instance->max_fw_cmds;
2868
2869 struct mrsas_cmd *cmd;
2870
2871 /* return all frames to pool */
2872
2873 for (i = 0; i < max_cmd; i++) {
2874
2875 cmd = instance->cmd_list[i];
2876
2877 if (cmd->frame_dma_obj_status == DMA_OBJ_ALLOCATED)
2878 (void) mrsas_free_dma_obj(instance, cmd->frame_dma_obj);
2879
2880 cmd->frame_dma_obj_status = DMA_OBJ_FREED;
2881 }
2882
2883 }
2884
2885 /*
2886 * create_mfi_frame_pool
2887 */
2888 int
2889 create_mfi_frame_pool(struct mrsas_instance *instance)
2890 {
2891 int i = 0;
2892 int cookie_cnt;
2893 uint16_t max_cmd;
2894 uint16_t sge_sz;
2895 uint32_t sgl_sz;
2896 uint32_t tot_frame_size;
2897 struct mrsas_cmd *cmd;
2898 int retval = DDI_SUCCESS;
2899
2900 max_cmd = instance->max_fw_cmds;
2901 sge_sz = sizeof (struct mrsas_sge_ieee);
2902 /* calculated the number of 64byte frames required for SGL */
2903 sgl_sz = sge_sz * instance->max_num_sge;
2904 tot_frame_size = sgl_sz + MRMFI_FRAME_SIZE + SENSE_LENGTH;
2905
2906 con_log(CL_DLEVEL3, (CE_NOTE, "create_mfi_frame_pool: "
2907 "sgl_sz %x tot_frame_size %x", sgl_sz, tot_frame_size));
2908
2909 while (i < max_cmd) {
2910 cmd = instance->cmd_list[i];
2911
2912 cmd->frame_dma_obj.size = tot_frame_size;
2913 cmd->frame_dma_obj.dma_attr = mrsas_generic_dma_attr;
2914 cmd->frame_dma_obj.dma_attr.dma_attr_addr_hi = 0xFFFFFFFFU;
2915 cmd->frame_dma_obj.dma_attr.dma_attr_count_max = 0xFFFFFFFFU;
2916 cmd->frame_dma_obj.dma_attr.dma_attr_sgllen = 1;
2917 cmd->frame_dma_obj.dma_attr.dma_attr_align = 64;
2918
2919 cookie_cnt = mrsas_alloc_dma_obj(instance, &cmd->frame_dma_obj,
2920 (uchar_t)DDI_STRUCTURE_LE_ACC);
2921
2922 if (cookie_cnt == -1 || cookie_cnt > 1) {
2923 dev_err(instance->dip, CE_WARN,
2924 "create_mfi_frame_pool: could not alloc.");
2925 retval = DDI_FAILURE;
2926 goto mrsas_undo_frame_pool;
2927 }
2928
2929 bzero(cmd->frame_dma_obj.buffer, tot_frame_size);
2930
2931 cmd->frame_dma_obj_status = DMA_OBJ_ALLOCATED;
2932 cmd->frame = (union mrsas_frame *)cmd->frame_dma_obj.buffer;
2933 cmd->frame_phys_addr =
2934 cmd->frame_dma_obj.dma_cookie[0].dmac_address;
2935
2936 cmd->sense = (uint8_t *)(((unsigned long)
2937 cmd->frame_dma_obj.buffer) +
2938 tot_frame_size - SENSE_LENGTH);
2939 cmd->sense_phys_addr =
2940 cmd->frame_dma_obj.dma_cookie[0].dmac_address +
2941 tot_frame_size - SENSE_LENGTH;
2942
2943 if (!cmd->frame || !cmd->sense) {
2944 dev_err(instance->dip, CE_WARN,
2945 "pci_pool_alloc failed");
2946 retval = ENOMEM;
2947 goto mrsas_undo_frame_pool;
2948 }
2949
2950 ddi_put32(cmd->frame_dma_obj.acc_handle,
2951 &cmd->frame->io.context, cmd->index);
2952 i++;
2953
2954 con_log(CL_DLEVEL3, (CE_NOTE, "[%x]-%x",
2955 cmd->index, cmd->frame_phys_addr));
2956 }
2957
2958 return (DDI_SUCCESS);
2959
2960 mrsas_undo_frame_pool:
2961 if (i > 0)
2962 destroy_mfi_frame_pool(instance);
2963
2964 return (retval);
2965 }
2966
2967 /*
2968 * free_additional_dma_buffer
2969 */
2970 static void
2971 free_additional_dma_buffer(struct mrsas_instance *instance)
2972 {
2973 if (instance->mfi_internal_dma_obj.status == DMA_OBJ_ALLOCATED) {
2974 (void) mrsas_free_dma_obj(instance,
2975 instance->mfi_internal_dma_obj);
2976 instance->mfi_internal_dma_obj.status = DMA_OBJ_FREED;
2977 }
2978
2979 if (instance->mfi_evt_detail_obj.status == DMA_OBJ_ALLOCATED) {
2980 (void) mrsas_free_dma_obj(instance,
2981 instance->mfi_evt_detail_obj);
2982 instance->mfi_evt_detail_obj.status = DMA_OBJ_FREED;
2983 }
2984 }
2985
2986 /*
2987 * alloc_additional_dma_buffer
2988 */
2989 static int
2990 alloc_additional_dma_buffer(struct mrsas_instance *instance)
2991 {
2992 uint32_t reply_q_sz;
2993 uint32_t internal_buf_size = PAGESIZE*2;
2994
2995 /* max cmds plus 1 + producer & consumer */
2996 reply_q_sz = sizeof (uint32_t) * (instance->max_fw_cmds + 1 + 2);
2997
2998 instance->mfi_internal_dma_obj.size = internal_buf_size;
2999 instance->mfi_internal_dma_obj.dma_attr = mrsas_generic_dma_attr;
3000 instance->mfi_internal_dma_obj.dma_attr.dma_attr_addr_hi = 0xFFFFFFFFU;
3001 instance->mfi_internal_dma_obj.dma_attr.dma_attr_count_max =
3002 0xFFFFFFFFU;
3003 instance->mfi_internal_dma_obj.dma_attr.dma_attr_sgllen = 1;
3004
3005 if (mrsas_alloc_dma_obj(instance, &instance->mfi_internal_dma_obj,
3006 (uchar_t)DDI_STRUCTURE_LE_ACC) != 1) {
3007 dev_err(instance->dip, CE_WARN,
3008 "could not alloc reply queue");
3009 return (DDI_FAILURE);
3010 }
3011
3012 bzero(instance->mfi_internal_dma_obj.buffer, internal_buf_size);
3013
3014 instance->mfi_internal_dma_obj.status |= DMA_OBJ_ALLOCATED;
3015
3016 instance->producer = (uint32_t *)((unsigned long)
3017 instance->mfi_internal_dma_obj.buffer);
3018 instance->consumer = (uint32_t *)((unsigned long)
3019 instance->mfi_internal_dma_obj.buffer + 4);
3020 instance->reply_queue = (uint32_t *)((unsigned long)
3021 instance->mfi_internal_dma_obj.buffer + 8);
3022 instance->internal_buf = (caddr_t)(((unsigned long)
3023 instance->mfi_internal_dma_obj.buffer) + reply_q_sz + 8);
3024 instance->internal_buf_dmac_add =
3025 instance->mfi_internal_dma_obj.dma_cookie[0].dmac_address +
3026 (reply_q_sz + 8);
3027 instance->internal_buf_size = internal_buf_size -
3028 (reply_q_sz + 8);
3029
3030 /* allocate evt_detail */
3031 instance->mfi_evt_detail_obj.size = sizeof (struct mrsas_evt_detail);
3032 instance->mfi_evt_detail_obj.dma_attr = mrsas_generic_dma_attr;
3033 instance->mfi_evt_detail_obj.dma_attr.dma_attr_addr_hi = 0xFFFFFFFFU;
3034 instance->mfi_evt_detail_obj.dma_attr.dma_attr_count_max = 0xFFFFFFFFU;
3035 instance->mfi_evt_detail_obj.dma_attr.dma_attr_sgllen = 1;
3036 instance->mfi_evt_detail_obj.dma_attr.dma_attr_align = 1;
3037
3038 if (mrsas_alloc_dma_obj(instance, &instance->mfi_evt_detail_obj,
3039 (uchar_t)DDI_STRUCTURE_LE_ACC) != 1) {
3040 dev_err(instance->dip, CE_WARN, "alloc_additional_dma_buffer: "
3041 "could not allocate data transfer buffer.");
3042 goto mrsas_undo_internal_buff;
3043 }
3044
3045 bzero(instance->mfi_evt_detail_obj.buffer,
3046 sizeof (struct mrsas_evt_detail));
3047
3048 instance->mfi_evt_detail_obj.status |= DMA_OBJ_ALLOCATED;
3049
3050 return (DDI_SUCCESS);
3051
3052 mrsas_undo_internal_buff:
3053 if (instance->mfi_internal_dma_obj.status == DMA_OBJ_ALLOCATED) {
3054 (void) mrsas_free_dma_obj(instance,
3055 instance->mfi_internal_dma_obj);
3056 instance->mfi_internal_dma_obj.status = DMA_OBJ_FREED;
3057 }
3058
3059 return (DDI_FAILURE);
3060 }
3061
3062
3063 void
3064 mrsas_free_cmd_pool(struct mrsas_instance *instance)
3065 {
3066 int i;
3067 uint32_t max_cmd;
3068 size_t sz;
3069
3070 /* already freed */
3071 if (instance->cmd_list == NULL) {
3072 return;
3073 }
3074
3075 max_cmd = instance->max_fw_cmds;
3076
3077 /* size of cmd_list array */
3078 sz = sizeof (struct mrsas_cmd *) * max_cmd;
3079
3080 /* First free each cmd */
3081 for (i = 0; i < max_cmd; i++) {
3082 if (instance->cmd_list[i] != NULL) {
3083 kmem_free(instance->cmd_list[i],
3084 sizeof (struct mrsas_cmd));
3085 }
3086
3087 instance->cmd_list[i] = NULL;
3088 }
3089
3090 /* Now, free cmd_list array */
3091 if (instance->cmd_list != NULL)
3092 kmem_free(instance->cmd_list, sz);
3093
3094 instance->cmd_list = NULL;
3095
3096 INIT_LIST_HEAD(&instance->cmd_pool_list);
3097 INIT_LIST_HEAD(&instance->cmd_pend_list);
3098 if (instance->tbolt) {
3099 INIT_LIST_HEAD(&instance->cmd_app_pool_list);
3100 } else {
3101 INIT_LIST_HEAD(&instance->app_cmd_pool_list);
3102 }
3103
3104 }
3105
3106
3107 /*
3108 * mrsas_alloc_cmd_pool
3109 */
3110 int
3111 mrsas_alloc_cmd_pool(struct mrsas_instance *instance)
3112 {
3113 int i;
3114 int count;
3115 uint32_t max_cmd;
3116 uint32_t reserve_cmd;
3117 size_t sz;
3118
3119 struct mrsas_cmd *cmd;
3120
3121 max_cmd = instance->max_fw_cmds;
3122 con_log(CL_ANN1, (CE_NOTE, "mrsas_alloc_cmd_pool: "
3123 "max_cmd %x", max_cmd));
3124
3125
3126 sz = sizeof (struct mrsas_cmd *) * max_cmd;
3127
3128 /*
3129 * instance->cmd_list is an array of struct mrsas_cmd pointers.
3130 * Allocate the dynamic array first and then allocate individual
3131 * commands.
3132 */
3133 instance->cmd_list = kmem_zalloc(sz, KM_SLEEP);
3134 ASSERT(instance->cmd_list);
3135
3136 /* create a frame pool and assign one frame to each cmd */
3137 for (count = 0; count < max_cmd; count++) {
3138 instance->cmd_list[count] =
3139 kmem_zalloc(sizeof (struct mrsas_cmd), KM_SLEEP);
3140 ASSERT(instance->cmd_list[count]);
3141 }
3142
3143 /* add all the commands to command pool */
3144
3145 INIT_LIST_HEAD(&instance->cmd_pool_list);
3146 INIT_LIST_HEAD(&instance->cmd_pend_list);
3147 INIT_LIST_HEAD(&instance->app_cmd_pool_list);
3148
3149 /*
3150 * When max_cmd is lower than MRSAS_APP_RESERVED_CMDS, how do I split
3151 * into app_cmd and regular cmd? For now, just take
3152 * max(1/8th of max, 4);
3153 */
3154 reserve_cmd = min(MRSAS_APP_RESERVED_CMDS,
3155 max(max_cmd >> 3, MRSAS_APP_MIN_RESERVED_CMDS));
3156
3157 for (i = 0; i < reserve_cmd; i++) {
3158 cmd = instance->cmd_list[i];
3159 cmd->index = i;
3160 mlist_add_tail(&cmd->list, &instance->app_cmd_pool_list);
3161 }
3162
3163
3164 for (i = reserve_cmd; i < max_cmd; i++) {
3165 cmd = instance->cmd_list[i];
3166 cmd->index = i;
3167 mlist_add_tail(&cmd->list, &instance->cmd_pool_list);
3168 }
3169
3170 return (DDI_SUCCESS);
3171
3172 mrsas_undo_cmds:
3173 if (count > 0) {
3174 /* free each cmd */
3175 for (i = 0; i < count; i++) {
3176 if (instance->cmd_list[i] != NULL) {
3177 kmem_free(instance->cmd_list[i],
3178 sizeof (struct mrsas_cmd));
3179 }
3180 instance->cmd_list[i] = NULL;
3181 }
3182 }
3183
3184 mrsas_undo_cmd_list:
3185 if (instance->cmd_list != NULL)
3186 kmem_free(instance->cmd_list, sz);
3187 instance->cmd_list = NULL;
3188
3189 return (DDI_FAILURE);
3190 }
3191
3192
3193 /*
3194 * free_space_for_mfi
3195 */
3196 static void
3197 free_space_for_mfi(struct mrsas_instance *instance)
3198 {
3199
3200 /* already freed */
3201 if (instance->cmd_list == NULL) {
3202 return;
3203 }
3204
3205 /* Free additional dma buffer */
3206 free_additional_dma_buffer(instance);
3207
3208 /* Free the MFI frame pool */
3209 destroy_mfi_frame_pool(instance);
3210
3211 /* Free all the commands in the cmd_list */
3212 /* Free the cmd_list buffer itself */
3213 mrsas_free_cmd_pool(instance);
3214 }
3215
3216 /*
3217 * alloc_space_for_mfi
3218 */
3219 static int
3220 alloc_space_for_mfi(struct mrsas_instance *instance)
3221 {
3222 /* Allocate command pool (memory for cmd_list & individual commands) */
3223 if (mrsas_alloc_cmd_pool(instance)) {
3224 dev_err(instance->dip, CE_WARN, "error creating cmd pool");
3225 return (DDI_FAILURE);
3226 }
3227
3228 /* Allocate MFI Frame pool */
3229 if (create_mfi_frame_pool(instance)) {
3230 dev_err(instance->dip, CE_WARN,
3231 "error creating frame DMA pool");
3232 goto mfi_undo_cmd_pool;
3233 }
3234
3235 /* Allocate additional DMA buffer */
3236 if (alloc_additional_dma_buffer(instance)) {
3237 dev_err(instance->dip, CE_WARN,
3238 "error creating frame DMA pool");
3239 goto mfi_undo_frame_pool;
3240 }
3241
3242 return (DDI_SUCCESS);
3243
3244 mfi_undo_frame_pool:
3245 destroy_mfi_frame_pool(instance);
3246
3247 mfi_undo_cmd_pool:
3248 mrsas_free_cmd_pool(instance);
3249
3250 return (DDI_FAILURE);
3251 }
3252
3253
3254
3255 /*
3256 * get_ctrl_info
3257 */
3258 static int
3259 get_ctrl_info(struct mrsas_instance *instance,
3260 struct mrsas_ctrl_info *ctrl_info)
3261 {
3262 int ret = 0;
3263
3264 struct mrsas_cmd *cmd;
3265 struct mrsas_dcmd_frame *dcmd;
3266 struct mrsas_ctrl_info *ci;
3267
3268 if (instance->tbolt) {
3269 cmd = get_raid_msg_mfi_pkt(instance);
3270 } else {
3271 cmd = mrsas_get_mfi_pkt(instance);
3272 }
3273
3274 if (!cmd) {
3275 con_log(CL_ANN, (CE_WARN,
3276 "Failed to get a cmd for ctrl info"));
3277 DTRACE_PROBE2(info_mfi_err, uint16_t, instance->fw_outstanding,
3278 uint16_t, instance->max_fw_cmds);
3279 return (DDI_FAILURE);
3280 }
3281
3282 /* Clear the frame buffer and assign back the context id */
3283 (void) memset((char *)&cmd->frame[0], 0, sizeof (union mrsas_frame));
3284 ddi_put32(cmd->frame_dma_obj.acc_handle, &cmd->frame->hdr.context,
3285 cmd->index);
3286
3287 dcmd = &cmd->frame->dcmd;
3288
3289 ci = (struct mrsas_ctrl_info *)instance->internal_buf;
3290
3291 if (!ci) {
3292 dev_err(instance->dip, CE_WARN,
3293 "Failed to alloc mem for ctrl info");
3294 mrsas_return_mfi_pkt(instance, cmd);
3295 return (DDI_FAILURE);
3296 }
3297
3298 (void) memset(ci, 0, sizeof (struct mrsas_ctrl_info));
3299
3300 /* for( i = 0; i < DCMD_MBOX_SZ; i++ ) dcmd->mbox.b[i] = 0; */
3301 (void) memset(dcmd->mbox.b, 0, DCMD_MBOX_SZ);
3302
3303 ddi_put8(cmd->frame_dma_obj.acc_handle, &dcmd->cmd, MFI_CMD_OP_DCMD);
3304 ddi_put8(cmd->frame_dma_obj.acc_handle, &dcmd->cmd_status,
3305 MFI_CMD_STATUS_POLL_MODE);
3306 ddi_put8(cmd->frame_dma_obj.acc_handle, &dcmd->sge_count, 1);
3307 ddi_put16(cmd->frame_dma_obj.acc_handle, &dcmd->flags,
3308 MFI_FRAME_DIR_READ);
3309 ddi_put16(cmd->frame_dma_obj.acc_handle, &dcmd->timeout, 0);
3310 ddi_put32(cmd->frame_dma_obj.acc_handle, &dcmd->data_xfer_len,
3311 sizeof (struct mrsas_ctrl_info));
3312 ddi_put32(cmd->frame_dma_obj.acc_handle, &dcmd->opcode,
3313 MR_DCMD_CTRL_GET_INFO);
3314 ddi_put32(cmd->frame_dma_obj.acc_handle, &dcmd->sgl.sge32[0].phys_addr,
3315 instance->internal_buf_dmac_add);
3316 ddi_put32(cmd->frame_dma_obj.acc_handle, &dcmd->sgl.sge32[0].length,
3317 sizeof (struct mrsas_ctrl_info));
3318
3319 cmd->frame_count = 1;
3320
3321 if (instance->tbolt) {
3322 mr_sas_tbolt_build_mfi_cmd(instance, cmd);
3323 }
3324
3325 if (!instance->func_ptr->issue_cmd_in_poll_mode(instance, cmd)) {
3326 ret = 0;
3327
3328 ctrl_info->max_request_size = ddi_get32(
3329 cmd->frame_dma_obj.acc_handle, &ci->max_request_size);
3330
3331 ctrl_info->ld_present_count = ddi_get16(
3332 cmd->frame_dma_obj.acc_handle, &ci->ld_present_count);
3333
3334 ctrl_info->properties.on_off_properties = ddi_get32(
3335 cmd->frame_dma_obj.acc_handle,
3336 &ci->properties.on_off_properties);
3337 ddi_rep_get8(cmd->frame_dma_obj.acc_handle,
3338 (uint8_t *)(ctrl_info->product_name),
3339 (uint8_t *)(ci->product_name), 80 * sizeof (char),
3340 DDI_DEV_AUTOINCR);
3341 /* should get more members of ci with ddi_get when needed */
3342 } else {
3343 dev_err(instance->dip, CE_WARN,
3344 "get_ctrl_info: Ctrl info failed");
3345 ret = -1;
3346 }
3347
3348 if (mrsas_common_check(instance, cmd) != DDI_SUCCESS) {
3349 ret = -1;
3350 }
3351 if (instance->tbolt) {
3352 return_raid_msg_mfi_pkt(instance, cmd);
3353 } else {
3354 mrsas_return_mfi_pkt(instance, cmd);
3355 }
3356
3357 return (ret);
3358 }
3359
3360 /*
3361 * abort_aen_cmd
3362 */
3363 static int
3364 abort_aen_cmd(struct mrsas_instance *instance,
3365 struct mrsas_cmd *cmd_to_abort)
3366 {
3367 int ret = 0;
3368
3369 struct mrsas_cmd *cmd;
3370 struct mrsas_abort_frame *abort_fr;
3371
3372 con_log(CL_ANN1, (CE_NOTE, "chkpnt: abort_aen:%d", __LINE__));
3373
3374 if (instance->tbolt) {
3375 cmd = get_raid_msg_mfi_pkt(instance);
3376 } else {
3377 cmd = mrsas_get_mfi_pkt(instance);
3378 }
3379
3380 if (!cmd) {
3381 con_log(CL_ANN1, (CE_WARN,
3382 "abort_aen_cmd():Failed to get a cmd for abort_aen_cmd"));
3383 DTRACE_PROBE2(abort_mfi_err, uint16_t, instance->fw_outstanding,
3384 uint16_t, instance->max_fw_cmds);
3385 return (DDI_FAILURE);
3386 }
3387
3388 /* Clear the frame buffer and assign back the context id */
3389 (void) memset((char *)&cmd->frame[0], 0, sizeof (union mrsas_frame));
3390 ddi_put32(cmd->frame_dma_obj.acc_handle, &cmd->frame->hdr.context,
3391 cmd->index);
3392
3393 abort_fr = &cmd->frame->abort;
3394
3395 /* prepare and issue the abort frame */
3396 ddi_put8(cmd->frame_dma_obj.acc_handle,
3397 &abort_fr->cmd, MFI_CMD_OP_ABORT);
3398 ddi_put8(cmd->frame_dma_obj.acc_handle, &abort_fr->cmd_status,
3399 MFI_CMD_STATUS_SYNC_MODE);
3400 ddi_put16(cmd->frame_dma_obj.acc_handle, &abort_fr->flags, 0);
3401 ddi_put32(cmd->frame_dma_obj.acc_handle, &abort_fr->abort_context,
3402 cmd_to_abort->index);
3403 ddi_put32(cmd->frame_dma_obj.acc_handle,
3404 &abort_fr->abort_mfi_phys_addr_lo, cmd_to_abort->frame_phys_addr);
3405 ddi_put32(cmd->frame_dma_obj.acc_handle,
3406 &abort_fr->abort_mfi_phys_addr_hi, 0);
3407
3408 instance->aen_cmd->abort_aen = 1;
3409
3410 cmd->frame_count = 1;
3411
3412 if (instance->tbolt) {
3413 mr_sas_tbolt_build_mfi_cmd(instance, cmd);
3414 }
3415
3416 if (instance->func_ptr->issue_cmd_in_poll_mode(instance, cmd)) {
3417 con_log(CL_ANN1, (CE_WARN,
3418 "abort_aen_cmd: issue_cmd_in_poll_mode failed"));
3419 ret = -1;
3420 } else {
3421 ret = 0;
3422 }
3423
3424 instance->aen_cmd->abort_aen = 1;
3425 instance->aen_cmd = 0;
3426
3427 if (instance->tbolt) {
3428 return_raid_msg_mfi_pkt(instance, cmd);
3429 } else {
3430 mrsas_return_mfi_pkt(instance, cmd);
3431 }
3432
3433 atomic_add_16(&instance->fw_outstanding, (-1));
3434
3435 return (ret);
3436 }
3437
3438
3439 static int
3440 mrsas_build_init_cmd(struct mrsas_instance *instance,
3441 struct mrsas_cmd **cmd_ptr)
3442 {
3443 struct mrsas_cmd *cmd;
3444 struct mrsas_init_frame *init_frame;
3445 struct mrsas_init_queue_info *initq_info;
3446 struct mrsas_drv_ver drv_ver_info;
3447
3448
3449 /*
3450 * Prepare a init frame. Note the init frame points to queue info
3451 * structure. Each frame has SGL allocated after first 64 bytes. For
3452 * this frame - since we don't need any SGL - we use SGL's space as
3453 * queue info structure
3454 */
3455 cmd = *cmd_ptr;
3456
3457
3458 /* Clear the frame buffer and assign back the context id */
3459 (void) memset((char *)&cmd->frame[0], 0, sizeof (union mrsas_frame));
3460 ddi_put32(cmd->frame_dma_obj.acc_handle, &cmd->frame->hdr.context,
3461 cmd->index);
3462
3463 init_frame = (struct mrsas_init_frame *)cmd->frame;
3464 initq_info = (struct mrsas_init_queue_info *)
3465 ((unsigned long)init_frame + 64);
3466
3467 (void) memset(init_frame, 0, MRMFI_FRAME_SIZE);
3468 (void) memset(initq_info, 0, sizeof (struct mrsas_init_queue_info));
3469
3470 ddi_put32(cmd->frame_dma_obj.acc_handle, &initq_info->init_flags, 0);
3471
3472 ddi_put32(cmd->frame_dma_obj.acc_handle,
3473 &initq_info->reply_queue_entries, instance->max_fw_cmds + 1);
3474
3475 ddi_put32(cmd->frame_dma_obj.acc_handle,
3476 &initq_info->producer_index_phys_addr_hi, 0);
3477 ddi_put32(cmd->frame_dma_obj.acc_handle,
3478 &initq_info->producer_index_phys_addr_lo,
3479 instance->mfi_internal_dma_obj.dma_cookie[0].dmac_address);
3480
3481 ddi_put32(cmd->frame_dma_obj.acc_handle,
3482 &initq_info->consumer_index_phys_addr_hi, 0);
3483 ddi_put32(cmd->frame_dma_obj.acc_handle,
3484 &initq_info->consumer_index_phys_addr_lo,
3485 instance->mfi_internal_dma_obj.dma_cookie[0].dmac_address + 4);
3486
3487 ddi_put32(cmd->frame_dma_obj.acc_handle,
3488 &initq_info->reply_queue_start_phys_addr_hi, 0);
3489 ddi_put32(cmd->frame_dma_obj.acc_handle,
3490 &initq_info->reply_queue_start_phys_addr_lo,
3491 instance->mfi_internal_dma_obj.dma_cookie[0].dmac_address + 8);
3492
3493 ddi_put8(cmd->frame_dma_obj.acc_handle,
3494 &init_frame->cmd, MFI_CMD_OP_INIT);
3495 ddi_put8(cmd->frame_dma_obj.acc_handle, &init_frame->cmd_status,
3496 MFI_CMD_STATUS_POLL_MODE);
3497 ddi_put16(cmd->frame_dma_obj.acc_handle, &init_frame->flags, 0);
3498 ddi_put32(cmd->frame_dma_obj.acc_handle,
3499 &init_frame->queue_info_new_phys_addr_lo,
3500 cmd->frame_phys_addr + 64);
3501 ddi_put32(cmd->frame_dma_obj.acc_handle,
3502 &init_frame->queue_info_new_phys_addr_hi, 0);
3503
3504
3505 /* fill driver version information */
3506 fill_up_drv_ver(&drv_ver_info);
3507
3508 /* allocate the driver version data transfer buffer */
3509 instance->drv_ver_dma_obj.size = sizeof (drv_ver_info.drv_ver);
3510 instance->drv_ver_dma_obj.dma_attr = mrsas_generic_dma_attr;
3511 instance->drv_ver_dma_obj.dma_attr.dma_attr_addr_hi = 0xFFFFFFFFU;
3512 instance->drv_ver_dma_obj.dma_attr.dma_attr_count_max = 0xFFFFFFFFU;
3513 instance->drv_ver_dma_obj.dma_attr.dma_attr_sgllen = 1;
3514 instance->drv_ver_dma_obj.dma_attr.dma_attr_align = 1;
3515
3516 if (mrsas_alloc_dma_obj(instance, &instance->drv_ver_dma_obj,
3517 (uchar_t)DDI_STRUCTURE_LE_ACC) != 1) {
3518 con_log(CL_ANN, (CE_WARN,
3519 "init_mfi : Could not allocate driver version buffer."));
3520 return (DDI_FAILURE);
3521 }
3522 /* copy driver version to dma buffer */
3523 (void) memset(instance->drv_ver_dma_obj.buffer, 0,
3524 sizeof (drv_ver_info.drv_ver));
3525 ddi_rep_put8(cmd->frame_dma_obj.acc_handle,
3526 (uint8_t *)drv_ver_info.drv_ver,
3527 (uint8_t *)instance->drv_ver_dma_obj.buffer,
3528 sizeof (drv_ver_info.drv_ver), DDI_DEV_AUTOINCR);
3529
3530
3531 /* copy driver version physical address to init frame */
3532 ddi_put64(cmd->frame_dma_obj.acc_handle, &init_frame->driverversion,
3533 instance->drv_ver_dma_obj.dma_cookie[0].dmac_address);
3534
3535 ddi_put32(cmd->frame_dma_obj.acc_handle, &init_frame->data_xfer_len,
3536 sizeof (struct mrsas_init_queue_info));
3537
3538 cmd->frame_count = 1;
3539
3540 *cmd_ptr = cmd;
3541
3542 return (DDI_SUCCESS);
3543 }
3544
3545
3546 /*
3547 * mrsas_init_adapter_ppc - Initialize MFI interface adapter.
3548 */
3549 int
3550 mrsas_init_adapter_ppc(struct mrsas_instance *instance)
3551 {
3552 struct mrsas_cmd *cmd;
3553
3554 /*
3555 * allocate memory for mfi adapter(cmd pool, individual commands, mfi
3556 * frames etc
3557 */
3558 if (alloc_space_for_mfi(instance) != DDI_SUCCESS) {
3559 con_log(CL_ANN, (CE_NOTE,
3560 "Error, failed to allocate memory for MFI adapter"));
3561 return (DDI_FAILURE);
3562 }
3563
3564 /* Build INIT command */
3565 cmd = mrsas_get_mfi_pkt(instance);
3566 if (cmd == NULL) {
3567 DTRACE_PROBE2(init_adapter_mfi_err, uint16_t,
3568 instance->fw_outstanding, uint16_t, instance->max_fw_cmds);
3569 return (DDI_FAILURE);
3570 }
3571
3572 if (mrsas_build_init_cmd(instance, &cmd) != DDI_SUCCESS) {
3573 con_log(CL_ANN,
3574 (CE_NOTE, "Error, failed to build INIT command"));
3575
3576 goto fail_undo_alloc_mfi_space;
3577 }
3578
3579 /*
3580 * Disable interrupt before sending init frame ( see linux driver code)
3581 * send INIT MFI frame in polled mode
3582 */
3583 if (instance->func_ptr->issue_cmd_in_poll_mode(instance, cmd)) {
3584 con_log(CL_ANN, (CE_WARN, "failed to init firmware"));
3585 goto fail_fw_init;
3586 }
3587
3588 if (mrsas_common_check(instance, cmd) != DDI_SUCCESS)
3589 goto fail_fw_init;
3590 mrsas_return_mfi_pkt(instance, cmd);
3591
3592 if (ctio_enable &&
3593 (instance->func_ptr->read_fw_status_reg(instance) & 0x04000000)) {
3594 con_log(CL_ANN, (CE_NOTE, "mr_sas: IEEE SGL's supported"));
3595 instance->flag_ieee = 1;
3596 } else {
3597 instance->flag_ieee = 0;
3598 }
3599
3600 ASSERT(!instance->skinny || instance->flag_ieee);
3601
3602 instance->unroll.alloc_space_mfi = 1;
3603 instance->unroll.verBuff = 1;
3604
3605 return (DDI_SUCCESS);
3606
3607
3608 fail_fw_init:
3609 (void) mrsas_free_dma_obj(instance, instance->drv_ver_dma_obj);
3610
3611 fail_undo_alloc_mfi_space:
3612 mrsas_return_mfi_pkt(instance, cmd);
3613 free_space_for_mfi(instance);
3614
3615 return (DDI_FAILURE);
3616
3617 }
3618
3619 /*
3620 * mrsas_init_adapter - Initialize adapter.
3621 */
3622 int
3623 mrsas_init_adapter(struct mrsas_instance *instance)
3624 {
3625 struct mrsas_ctrl_info ctrl_info;
3626
3627
3628 /* we expect the FW state to be READY */
3629 if (mfi_state_transition_to_ready(instance)) {
3630 con_log(CL_ANN, (CE_WARN, "mr_sas: F/W is not ready"));
3631 return (DDI_FAILURE);
3632 }
3633
3634 /* get various operational parameters from status register */
3635 instance->max_num_sge =
3636 (instance->func_ptr->read_fw_status_reg(instance) &
3637 0xFF0000) >> 0x10;
3638 instance->max_num_sge =
3639 (instance->max_num_sge > MRSAS_MAX_SGE_CNT) ?
3640 MRSAS_MAX_SGE_CNT : instance->max_num_sge;
3641
3642 /*
3643 * Reduce the max supported cmds by 1. This is to ensure that the
3644 * reply_q_sz (1 more than the max cmd that driver may send)
3645 * does not exceed max cmds that the FW can support
3646 */
3647 instance->max_fw_cmds =
3648 instance->func_ptr->read_fw_status_reg(instance) & 0xFFFF;
3649 instance->max_fw_cmds = instance->max_fw_cmds - 1;
3650
3651
3652
3653 /* Initialize adapter */
3654 if (instance->func_ptr->init_adapter(instance) != DDI_SUCCESS) {
3655 con_log(CL_ANN,
3656 (CE_WARN, "mr_sas: could not initialize adapter"));
3657 return (DDI_FAILURE);
3658 }
3659
3660 /* gather misc FW related information */
3661 instance->disable_online_ctrl_reset = 0;
3662
3663 if (!get_ctrl_info(instance, &ctrl_info)) {
3664 instance->max_sectors_per_req = ctrl_info.max_request_size;
3665 con_log(CL_ANN1, (CE_NOTE,
3666 "product name %s ld present %d",
3667 ctrl_info.product_name, ctrl_info.ld_present_count));
3668 } else {
3669 instance->max_sectors_per_req = instance->max_num_sge *
3670 PAGESIZE / 512;
3671 }
3672
3673 if (ctrl_info.properties.on_off_properties & DISABLE_OCR_PROP_FLAG)
3674 instance->disable_online_ctrl_reset = 1;
3675
3676 return (DDI_SUCCESS);
3677
3678 }
3679
3680
3681
3682 static int
3683 mrsas_issue_init_mfi(struct mrsas_instance *instance)
3684 {
3685 struct mrsas_cmd *cmd;
3686 struct mrsas_init_frame *init_frame;
3687 struct mrsas_init_queue_info *initq_info;
3688
3689 /*
3690 * Prepare a init frame. Note the init frame points to queue info
3691 * structure. Each frame has SGL allocated after first 64 bytes. For
3692 * this frame - since we don't need any SGL - we use SGL's space as
3693 * queue info structure
3694 */
3695 con_log(CL_ANN1, (CE_NOTE,
3696 "mrsas_issue_init_mfi: entry\n"));
3697 cmd = get_mfi_app_pkt(instance);
3698
3699 if (!cmd) {
3700 con_log(CL_ANN1, (CE_WARN,
3701 "mrsas_issue_init_mfi: get_pkt failed\n"));
3702 return (DDI_FAILURE);
3703 }
3704
3705 /* Clear the frame buffer and assign back the context id */
3706 (void) memset((char *)&cmd->frame[0], 0, sizeof (union mrsas_frame));
3707 ddi_put32(cmd->frame_dma_obj.acc_handle, &cmd->frame->hdr.context,
3708 cmd->index);
3709
3710 init_frame = (struct mrsas_init_frame *)cmd->frame;
3711 initq_info = (struct mrsas_init_queue_info *)
3712 ((unsigned long)init_frame + 64);
3713
3714 (void) memset(init_frame, 0, MRMFI_FRAME_SIZE);
3715 (void) memset(initq_info, 0, sizeof (struct mrsas_init_queue_info));
3716
3717 ddi_put32(cmd->frame_dma_obj.acc_handle, &initq_info->init_flags, 0);
3718
3719 ddi_put32(cmd->frame_dma_obj.acc_handle,
3720 &initq_info->reply_queue_entries, instance->max_fw_cmds + 1);
3721 ddi_put32(cmd->frame_dma_obj.acc_handle,
3722 &initq_info->producer_index_phys_addr_hi, 0);
3723 ddi_put32(cmd->frame_dma_obj.acc_handle,
3724 &initq_info->producer_index_phys_addr_lo,
3725 instance->mfi_internal_dma_obj.dma_cookie[0].dmac_address);
3726 ddi_put32(cmd->frame_dma_obj.acc_handle,
3727 &initq_info->consumer_index_phys_addr_hi, 0);
3728 ddi_put32(cmd->frame_dma_obj.acc_handle,
3729 &initq_info->consumer_index_phys_addr_lo,
3730 instance->mfi_internal_dma_obj.dma_cookie[0].dmac_address + 4);
3731
3732 ddi_put32(cmd->frame_dma_obj.acc_handle,
3733 &initq_info->reply_queue_start_phys_addr_hi, 0);
3734 ddi_put32(cmd->frame_dma_obj.acc_handle,
3735 &initq_info->reply_queue_start_phys_addr_lo,
3736 instance->mfi_internal_dma_obj.dma_cookie[0].dmac_address + 8);
3737
3738 ddi_put8(cmd->frame_dma_obj.acc_handle,
3739 &init_frame->cmd, MFI_CMD_OP_INIT);
3740 ddi_put8(cmd->frame_dma_obj.acc_handle, &init_frame->cmd_status,
3741 MFI_CMD_STATUS_POLL_MODE);
3742 ddi_put16(cmd->frame_dma_obj.acc_handle, &init_frame->flags, 0);
3743 ddi_put32(cmd->frame_dma_obj.acc_handle,
3744 &init_frame->queue_info_new_phys_addr_lo,
3745 cmd->frame_phys_addr + 64);
3746 ddi_put32(cmd->frame_dma_obj.acc_handle,
3747 &init_frame->queue_info_new_phys_addr_hi, 0);
3748
3749 ddi_put32(cmd->frame_dma_obj.acc_handle, &init_frame->data_xfer_len,
3750 sizeof (struct mrsas_init_queue_info));
3751
3752 cmd->frame_count = 1;
3753
3754 /* issue the init frame in polled mode */
3755 if (instance->func_ptr->issue_cmd_in_poll_mode(instance, cmd)) {
3756 con_log(CL_ANN1, (CE_WARN,
3757 "mrsas_issue_init_mfi():failed to "
3758 "init firmware"));
3759 return_mfi_app_pkt(instance, cmd);
3760 return (DDI_FAILURE);
3761 }
3762
3763 if (mrsas_common_check(instance, cmd) != DDI_SUCCESS) {
3764 return_mfi_app_pkt(instance, cmd);
3765 return (DDI_FAILURE);
3766 }
3767
3768 return_mfi_app_pkt(instance, cmd);
3769 con_log(CL_ANN1, (CE_CONT, "mrsas_issue_init_mfi: Done"));
3770
3771 return (DDI_SUCCESS);
3772 }
3773 /*
3774 * mfi_state_transition_to_ready : Move the FW to READY state
3775 *
3776 * @reg_set : MFI register set
3777 */
3778 int
3779 mfi_state_transition_to_ready(struct mrsas_instance *instance)
3780 {
3781 int i;
3782 uint8_t max_wait;
3783 uint32_t fw_ctrl = 0;
3784 uint32_t fw_state;
3785 uint32_t cur_state;
3786 uint32_t cur_abs_reg_val;
3787 uint32_t prev_abs_reg_val;
3788 uint32_t status;
3789
3790 cur_abs_reg_val =
3791 instance->func_ptr->read_fw_status_reg(instance);
3792 fw_state =
3793 cur_abs_reg_val & MFI_STATE_MASK;
3794 con_log(CL_ANN1, (CE_CONT,
3795 "mfi_state_transition_to_ready:FW state = 0x%x", fw_state));
3796
3797 while (fw_state != MFI_STATE_READY) {
3798 con_log(CL_ANN, (CE_CONT,
3799 "mfi_state_transition_to_ready:FW state%x", fw_state));
3800
3801 switch (fw_state) {
3802 case MFI_STATE_FAULT:
3803 con_log(CL_ANN, (CE_NOTE,
3804 "mr_sas: FW in FAULT state!!"));
3805
3806 return (ENODEV);
3807 case MFI_STATE_WAIT_HANDSHAKE:
3808 /* set the CLR bit in IMR0 */
3809 con_log(CL_ANN1, (CE_NOTE,
3810 "mr_sas: FW waiting for HANDSHAKE"));
3811 /*
3812 * PCI_Hot Plug: MFI F/W requires
3813 * (MFI_INIT_CLEAR_HANDSHAKE|MFI_INIT_HOTPLUG)
3814 * to be set
3815 */
3816 /* WR_IB_MSG_0(MFI_INIT_CLEAR_HANDSHAKE, instance); */
3817 if (!instance->tbolt && !instance->skinny) {
3818 WR_IB_DOORBELL(MFI_INIT_CLEAR_HANDSHAKE |
3819 MFI_INIT_HOTPLUG, instance);
3820 } else {
3821 WR_RESERVED0_REGISTER(MFI_INIT_CLEAR_HANDSHAKE |
3822 MFI_INIT_HOTPLUG, instance);
3823 }
3824 max_wait = (instance->tbolt == 1) ? 180 : 2;
3825 cur_state = MFI_STATE_WAIT_HANDSHAKE;
3826 break;
3827 case MFI_STATE_BOOT_MESSAGE_PENDING:
3828 /* set the CLR bit in IMR0 */
3829 con_log(CL_ANN1, (CE_NOTE,
3830 "mr_sas: FW state boot message pending"));
3831 /*
3832 * PCI_Hot Plug: MFI F/W requires
3833 * (MFI_INIT_CLEAR_HANDSHAKE|MFI_INIT_HOTPLUG)
3834 * to be set
3835 */
3836 if (!instance->tbolt && !instance->skinny) {
3837 WR_IB_DOORBELL(MFI_INIT_HOTPLUG, instance);
3838 } else {
3839 WR_RESERVED0_REGISTER(MFI_INIT_HOTPLUG,
3840 instance);
3841 }
3842 max_wait = (instance->tbolt == 1) ? 180 : 10;
3843 cur_state = MFI_STATE_BOOT_MESSAGE_PENDING;
3844 break;
3845 case MFI_STATE_OPERATIONAL:
3846 /* bring it to READY state; assuming max wait 2 secs */
3847 instance->func_ptr->disable_intr(instance);
3848 con_log(CL_ANN1, (CE_NOTE,
3849 "mr_sas: FW in OPERATIONAL state"));
3850 /*
3851 * PCI_Hot Plug: MFI F/W requires
3852 * (MFI_INIT_READY | MFI_INIT_MFIMODE | MFI_INIT_ABORT)
3853 * to be set
3854 */
3855 /* WR_IB_DOORBELL(MFI_INIT_READY, instance); */
3856 if (!instance->tbolt && !instance->skinny) {
3857 WR_IB_DOORBELL(MFI_RESET_FLAGS, instance);
3858 } else {
3859 WR_RESERVED0_REGISTER(MFI_RESET_FLAGS,
3860 instance);
3861
3862 for (i = 0; i < (10 * 1000); i++) {
3863 status =
3864 RD_RESERVED0_REGISTER(instance);
3865 if (status & 1) {
3866 delay(1 *
3867 drv_usectohz(MILLISEC));
3868 } else {
3869 break;
3870 }
3871 }
3872
3873 }
3874 max_wait = (instance->tbolt == 1) ? 180 : 10;
3875 cur_state = MFI_STATE_OPERATIONAL;
3876 break;
3877 case MFI_STATE_UNDEFINED:
3878 /* this state should not last for more than 2 seconds */
3879 con_log(CL_ANN1, (CE_NOTE, "FW state undefined"));
3880
3881 max_wait = (instance->tbolt == 1) ? 180 : 2;
3882 cur_state = MFI_STATE_UNDEFINED;
3883 break;
3884 case MFI_STATE_BB_INIT:
3885 max_wait = (instance->tbolt == 1) ? 180 : 2;
3886 cur_state = MFI_STATE_BB_INIT;
3887 break;
3888 case MFI_STATE_FW_INIT:
3889 max_wait = (instance->tbolt == 1) ? 180 : 2;
3890 cur_state = MFI_STATE_FW_INIT;
3891 break;
3892 case MFI_STATE_FW_INIT_2:
3893 max_wait = 180;
3894 cur_state = MFI_STATE_FW_INIT_2;
3895 break;
3896 case MFI_STATE_DEVICE_SCAN:
3897 max_wait = 180;
3898 cur_state = MFI_STATE_DEVICE_SCAN;
3899 prev_abs_reg_val = cur_abs_reg_val;
3900 con_log(CL_NONE, (CE_NOTE,
3901 "Device scan in progress ...\n"));
3902 break;
3903 case MFI_STATE_FLUSH_CACHE:
3904 max_wait = 180;
3905 cur_state = MFI_STATE_FLUSH_CACHE;
3906 break;
3907 default:
3908 con_log(CL_ANN1, (CE_NOTE,
3909 "mr_sas: Unknown state 0x%x", fw_state));
3910 return (ENODEV);
3911 }
3912
3913 /* the cur_state should not last for more than max_wait secs */
3914 for (i = 0; i < (max_wait * MILLISEC); i++) {
3915 /* fw_state = RD_OB_MSG_0(instance) & MFI_STATE_MASK; */
3916 cur_abs_reg_val =
3917 instance->func_ptr->read_fw_status_reg(instance);
3918 fw_state = cur_abs_reg_val & MFI_STATE_MASK;
3919
3920 if (fw_state == cur_state) {
3921 delay(1 * drv_usectohz(MILLISEC));
3922 } else {
3923 break;
3924 }
3925 }
3926 if (fw_state == MFI_STATE_DEVICE_SCAN) {
3927 if (prev_abs_reg_val != cur_abs_reg_val) {
3928 continue;
3929 }
3930 }
3931
3932 /* return error if fw_state hasn't changed after max_wait */
3933 if (fw_state == cur_state) {
3934 con_log(CL_ANN1, (CE_WARN,
3935 "FW state hasn't changed in %d secs", max_wait));
3936 return (ENODEV);
3937 }
3938 };
3939
3940 /* This may also need to apply to Skinny, but for now, don't worry. */
3941 if (!instance->tbolt && !instance->skinny) {
3942 fw_ctrl = RD_IB_DOORBELL(instance);
3943 con_log(CL_ANN1, (CE_CONT,
3944 "mfi_state_transition_to_ready:FW ctrl = 0x%x", fw_ctrl));
3945
3946 /*
3947 * Write 0xF to the doorbell register to do the following.
3948 * - Abort all outstanding commands (bit 0).
3949 * - Transition from OPERATIONAL to READY state (bit 1).
3950 * - Discard (possible) low MFA posted in 64-bit mode (bit-2).
3951 * - Set to release FW to continue running (i.e. BIOS handshake
3952 * (bit 3).
3953 */
3954 WR_IB_DOORBELL(0xF, instance);
3955 }
3956
3957 if (mrsas_check_acc_handle(instance->regmap_handle) != DDI_SUCCESS) {
3958 return (EIO);
3959 }
3960
3961 return (DDI_SUCCESS);
3962 }
3963
3964 /*
3965 * get_seq_num
3966 */
3967 static int
3968 get_seq_num(struct mrsas_instance *instance,
3969 struct mrsas_evt_log_info *eli)
3970 {
3971 int ret = DDI_SUCCESS;
3972
3973 dma_obj_t dcmd_dma_obj;
3974 struct mrsas_cmd *cmd;
3975 struct mrsas_dcmd_frame *dcmd;
3976 struct mrsas_evt_log_info *eli_tmp;
3977 if (instance->tbolt) {
3978 cmd = get_raid_msg_mfi_pkt(instance);
3979 } else {
3980 cmd = mrsas_get_mfi_pkt(instance);
3981 }
3982
3983 if (!cmd) {
3984 dev_err(instance->dip, CE_WARN, "failed to get a cmd");
3985 DTRACE_PROBE2(seq_num_mfi_err, uint16_t,
3986 instance->fw_outstanding, uint16_t, instance->max_fw_cmds);
3987 return (ENOMEM);
3988 }
3989
3990 /* Clear the frame buffer and assign back the context id */
3991 (void) memset((char *)&cmd->frame[0], 0, sizeof (union mrsas_frame));
3992 ddi_put32(cmd->frame_dma_obj.acc_handle, &cmd->frame->hdr.context,
3993 cmd->index);
3994
3995 dcmd = &cmd->frame->dcmd;
3996
3997 /* allocate the data transfer buffer */
3998 dcmd_dma_obj.size = sizeof (struct mrsas_evt_log_info);
3999 dcmd_dma_obj.dma_attr = mrsas_generic_dma_attr;
4000 dcmd_dma_obj.dma_attr.dma_attr_addr_hi = 0xFFFFFFFFU;
4001 dcmd_dma_obj.dma_attr.dma_attr_count_max = 0xFFFFFFFFU;
4002 dcmd_dma_obj.dma_attr.dma_attr_sgllen = 1;
4003 dcmd_dma_obj.dma_attr.dma_attr_align = 1;
4004
4005 if (mrsas_alloc_dma_obj(instance, &dcmd_dma_obj,
4006 (uchar_t)DDI_STRUCTURE_LE_ACC) != 1) {
4007 dev_err(instance->dip, CE_WARN,
4008 "get_seq_num: could not allocate data transfer buffer.");
4009 return (DDI_FAILURE);
4010 }
4011
4012 (void) memset(dcmd_dma_obj.buffer, 0,
4013 sizeof (struct mrsas_evt_log_info));
4014
4015 (void) memset(dcmd->mbox.b, 0, DCMD_MBOX_SZ);
4016
4017 ddi_put8(cmd->frame_dma_obj.acc_handle, &dcmd->cmd, MFI_CMD_OP_DCMD);
4018 ddi_put8(cmd->frame_dma_obj.acc_handle, &dcmd->cmd_status, 0);
4019 ddi_put8(cmd->frame_dma_obj.acc_handle, &dcmd->sge_count, 1);
4020 ddi_put16(cmd->frame_dma_obj.acc_handle, &dcmd->flags,
4021 MFI_FRAME_DIR_READ);
4022 ddi_put16(cmd->frame_dma_obj.acc_handle, &dcmd->timeout, 0);
4023 ddi_put32(cmd->frame_dma_obj.acc_handle, &dcmd->data_xfer_len,
4024 sizeof (struct mrsas_evt_log_info));
4025 ddi_put32(cmd->frame_dma_obj.acc_handle, &dcmd->opcode,
4026 MR_DCMD_CTRL_EVENT_GET_INFO);
4027 ddi_put32(cmd->frame_dma_obj.acc_handle, &dcmd->sgl.sge32[0].length,
4028 sizeof (struct mrsas_evt_log_info));
4029 ddi_put32(cmd->frame_dma_obj.acc_handle, &dcmd->sgl.sge32[0].phys_addr,
4030 dcmd_dma_obj.dma_cookie[0].dmac_address);
4031
4032 cmd->sync_cmd = MRSAS_TRUE;
4033 cmd->frame_count = 1;
4034
4035 if (instance->tbolt) {
4036 mr_sas_tbolt_build_mfi_cmd(instance, cmd);
4037 }
4038
4039 if (instance->func_ptr->issue_cmd_in_sync_mode(instance, cmd)) {
4040 dev_err(instance->dip, CE_WARN, "get_seq_num: "
4041 "failed to issue MRSAS_DCMD_CTRL_EVENT_GET_INFO");
4042 ret = DDI_FAILURE;
4043 } else {
4044 eli_tmp = (struct mrsas_evt_log_info *)dcmd_dma_obj.buffer;
4045 eli->newest_seq_num = ddi_get32(cmd->frame_dma_obj.acc_handle,
4046 &eli_tmp->newest_seq_num);
4047 ret = DDI_SUCCESS;
4048 }
4049
4050 if (mrsas_free_dma_obj(instance, dcmd_dma_obj) != DDI_SUCCESS)
4051 ret = DDI_FAILURE;
4052
4053 if (instance->tbolt) {
4054 return_raid_msg_mfi_pkt(instance, cmd);
4055 } else {
4056 mrsas_return_mfi_pkt(instance, cmd);
4057 }
4058
4059 return (ret);
4060 }
4061
4062 /*
4063 * start_mfi_aen
4064 */
4065 static int
4066 start_mfi_aen(struct mrsas_instance *instance)
4067 {
4068 int ret = 0;
4069
4070 struct mrsas_evt_log_info eli;
4071 union mrsas_evt_class_locale class_locale;
4072
4073 /* get the latest sequence number from FW */
4074 (void) memset(&eli, 0, sizeof (struct mrsas_evt_log_info));
4075
4076 if (get_seq_num(instance, &eli)) {
4077 dev_err(instance->dip, CE_WARN,
4078 "start_mfi_aen: failed to get seq num");
4079 return (-1);
4080 }
4081
4082 /* register AEN with FW for latest sequence number plus 1 */
4083 class_locale.members.reserved = 0;
4084 class_locale.members.locale = LE_16(MR_EVT_LOCALE_ALL);
4085 class_locale.members.class = MR_EVT_CLASS_INFO;
4086 class_locale.word = LE_32(class_locale.word);
4087 ret = register_mfi_aen(instance, eli.newest_seq_num + 1,
4088 class_locale.word);
4089
4090 if (ret) {
4091 dev_err(instance->dip, CE_WARN,
4092 "start_mfi_aen: aen registration failed");
4093 return (-1);
4094 }
4095
4096
4097 return (ret);
4098 }
4099
4100 /*
4101 * flush_cache
4102 */
4103 static void
4104 flush_cache(struct mrsas_instance *instance)
4105 {
4106 struct mrsas_cmd *cmd = NULL;
4107 struct mrsas_dcmd_frame *dcmd;
4108 if (instance->tbolt) {
4109 cmd = get_raid_msg_mfi_pkt(instance);
4110 } else {
4111 cmd = mrsas_get_mfi_pkt(instance);
4112 }
4113
4114 if (!cmd) {
4115 con_log(CL_ANN1, (CE_WARN,
4116 "flush_cache():Failed to get a cmd for flush_cache"));
4117 DTRACE_PROBE2(flush_cache_err, uint16_t,
4118 instance->fw_outstanding, uint16_t, instance->max_fw_cmds);
4119 return;
4120 }
4121
4122 /* Clear the frame buffer and assign back the context id */
4123 (void) memset((char *)&cmd->frame[0], 0, sizeof (union mrsas_frame));
4124 ddi_put32(cmd->frame_dma_obj.acc_handle, &cmd->frame->hdr.context,
4125 cmd->index);
4126
4127 dcmd = &cmd->frame->dcmd;
4128
4129 (void) memset(dcmd->mbox.b, 0, DCMD_MBOX_SZ);
4130
4131 ddi_put8(cmd->frame_dma_obj.acc_handle, &dcmd->cmd, MFI_CMD_OP_DCMD);
4132 ddi_put8(cmd->frame_dma_obj.acc_handle, &dcmd->cmd_status, 0x0);
4133 ddi_put8(cmd->frame_dma_obj.acc_handle, &dcmd->sge_count, 0);
4134 ddi_put16(cmd->frame_dma_obj.acc_handle, &dcmd->flags,
4135 MFI_FRAME_DIR_NONE);
4136 ddi_put16(cmd->frame_dma_obj.acc_handle, &dcmd->timeout, 0);
4137 ddi_put32(cmd->frame_dma_obj.acc_handle, &dcmd->data_xfer_len, 0);
4138 ddi_put32(cmd->frame_dma_obj.acc_handle, &dcmd->opcode,
4139 MR_DCMD_CTRL_CACHE_FLUSH);
4140 ddi_put8(cmd->frame_dma_obj.acc_handle, &dcmd->mbox.b[0],
4141 MR_FLUSH_CTRL_CACHE | MR_FLUSH_DISK_CACHE);
4142
4143 cmd->frame_count = 1;
4144
4145 if (instance->tbolt) {
4146 mr_sas_tbolt_build_mfi_cmd(instance, cmd);
4147 }
4148
4149 if (instance->func_ptr->issue_cmd_in_poll_mode(instance, cmd)) {
4150 con_log(CL_ANN1, (CE_WARN,
4151 "flush_cache: failed to issue MFI_DCMD_CTRL_CACHE_FLUSH"));
4152 }
4153 con_log(CL_ANN1, (CE_CONT, "flush_cache done"));
4154 if (instance->tbolt) {
4155 return_raid_msg_mfi_pkt(instance, cmd);
4156 } else {
4157 mrsas_return_mfi_pkt(instance, cmd);
4158 }
4159
4160 }
4161
4162 /*
4163 * service_mfi_aen- Completes an AEN command
4164 * @instance: Adapter soft state
4165 * @cmd: Command to be completed
4166 *
4167 */
4168 void
4169 service_mfi_aen(struct mrsas_instance *instance, struct mrsas_cmd *cmd)
4170 {
4171 uint32_t seq_num;
4172 struct mrsas_evt_detail *evt_detail =
4173 (struct mrsas_evt_detail *)instance->mfi_evt_detail_obj.buffer;
4174 int rval = 0;
4175 int tgt = 0;
4176 uint8_t dtype;
4177 #ifdef PDSUPPORT
4178 mrsas_pd_address_t *pd_addr;
4179 #endif
4180 ddi_acc_handle_t acc_handle;
4181
4182 con_log(CL_ANN, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
4183
4184 acc_handle = cmd->frame_dma_obj.acc_handle;
4185 cmd->cmd_status = ddi_get8(acc_handle, &cmd->frame->io.cmd_status);
4186 if (cmd->cmd_status == ENODATA) {
4187 cmd->cmd_status = 0;
4188 }
4189
4190 /*
4191 * log the MFI AEN event to the sysevent queue so that
4192 * application will get noticed
4193 */
4194 if (ddi_log_sysevent(instance->dip, DDI_VENDOR_LSI, "LSIMEGA", "SAS",
4195 NULL, NULL, DDI_NOSLEEP) != DDI_SUCCESS) {
4196 int instance_no = ddi_get_instance(instance->dip);
4197 con_log(CL_ANN, (CE_WARN,
4198 "mr_sas%d: Failed to log AEN event", instance_no));
4199 }
4200 /*
4201 * Check for any ld devices that has changed state. i.e. online
4202 * or offline.
4203 */
4204 con_log(CL_ANN1, (CE_CONT,
4205 "AEN: code = %x class = %x locale = %x args = %x",
4206 ddi_get32(acc_handle, &evt_detail->code),
4207 evt_detail->cl.members.class,
4208 ddi_get16(acc_handle, &evt_detail->cl.members.locale),
4209 ddi_get8(acc_handle, &evt_detail->arg_type)));
4210
4211 switch (ddi_get32(acc_handle, &evt_detail->code)) {
4212 case MR_EVT_CFG_CLEARED: {
4213 for (tgt = 0; tgt < MRDRV_MAX_LD; tgt++) {
4214 if (instance->mr_ld_list[tgt].dip != NULL) {
4215 mutex_enter(&instance->config_dev_mtx);
4216 instance->mr_ld_list[tgt].flag =
4217 (uint8_t)~MRDRV_TGT_VALID;
4218 mutex_exit(&instance->config_dev_mtx);
4219 rval = mrsas_service_evt(instance, tgt, 0,
4220 MRSAS_EVT_UNCONFIG_TGT, NULL);
4221 con_log(CL_ANN1, (CE_WARN,
4222 "mr_sas: CFG CLEARED AEN rval = %d "
4223 "tgt id = %d", rval, tgt));
4224 }
4225 }
4226 break;
4227 }
4228
4229 case MR_EVT_LD_DELETED: {
4230 tgt = ddi_get16(acc_handle, &evt_detail->args.ld.target_id);
4231 mutex_enter(&instance->config_dev_mtx);
4232 instance->mr_ld_list[tgt].flag = (uint8_t)~MRDRV_TGT_VALID;
4233 mutex_exit(&instance->config_dev_mtx);
4234 rval = mrsas_service_evt(instance,
4235 ddi_get16(acc_handle, &evt_detail->args.ld.target_id), 0,
4236 MRSAS_EVT_UNCONFIG_TGT, NULL);
4237 con_log(CL_ANN1, (CE_WARN, "mr_sas: LD DELETED AEN rval = %d "
4238 "tgt id = %d index = %d", rval,
4239 ddi_get16(acc_handle, &evt_detail->args.ld.target_id),
4240 ddi_get8(acc_handle, &evt_detail->args.ld.ld_index)));
4241 break;
4242 } /* End of MR_EVT_LD_DELETED */
4243
4244 case MR_EVT_LD_CREATED: {
4245 rval = mrsas_service_evt(instance,
4246 ddi_get16(acc_handle, &evt_detail->args.ld.target_id), 0,
4247 MRSAS_EVT_CONFIG_TGT, NULL);
4248 con_log(CL_ANN1, (CE_WARN, "mr_sas: LD CREATED AEN rval = %d "
4249 "tgt id = %d index = %d", rval,
4250 ddi_get16(acc_handle, &evt_detail->args.ld.target_id),
4251 ddi_get8(acc_handle, &evt_detail->args.ld.ld_index)));
4252 break;
4253 } /* End of MR_EVT_LD_CREATED */
4254
4255 #ifdef PDSUPPORT
4256 case MR_EVT_PD_REMOVED_EXT: {
4257 if (instance->tbolt || instance->skinny) {
4258 pd_addr = &evt_detail->args.pd_addr;
4259 dtype = pd_addr->scsi_dev_type;
4260 con_log(CL_DLEVEL1, (CE_NOTE,
4261 " MR_EVT_PD_REMOVED_EXT: dtype = %x,"
4262 " arg_type = %d ", dtype, evt_detail->arg_type));
4263 tgt = ddi_get16(acc_handle,
4264 &evt_detail->args.pd.device_id);
4265 mutex_enter(&instance->config_dev_mtx);
4266 instance->mr_tbolt_pd_list[tgt].flag =
4267 (uint8_t)~MRDRV_TGT_VALID;
4268 mutex_exit(&instance->config_dev_mtx);
4269 rval = mrsas_service_evt(instance, ddi_get16(
4270 acc_handle, &evt_detail->args.pd.device_id),
4271 1, MRSAS_EVT_UNCONFIG_TGT, NULL);
4272 con_log(CL_ANN1, (CE_WARN, "mr_sas: PD_REMOVED:"
4273 "rval = %d tgt id = %d ", rval,
4274 ddi_get16(acc_handle,
4275 &evt_detail->args.pd.device_id)));
4276 }
4277 break;
4278 } /* End of MR_EVT_PD_REMOVED_EXT */
4279
4280 case MR_EVT_PD_INSERTED_EXT: {
4281 if (instance->tbolt || instance->skinny) {
4282 rval = mrsas_service_evt(instance,
4283 ddi_get16(acc_handle,
4284 &evt_detail->args.pd.device_id),
4285 1, MRSAS_EVT_CONFIG_TGT, NULL);
4286 con_log(CL_ANN1, (CE_WARN, "mr_sas: PD_INSERTEDi_EXT:"
4287 "rval = %d tgt id = %d ", rval,
4288 ddi_get16(acc_handle,
4289 &evt_detail->args.pd.device_id)));
4290 }
4291 break;
4292 } /* End of MR_EVT_PD_INSERTED_EXT */
4293
4294 case MR_EVT_PD_STATE_CHANGE: {
4295 if (instance->tbolt || instance->skinny) {
4296 tgt = ddi_get16(acc_handle,
4297 &evt_detail->args.pd.device_id);
4298 if ((evt_detail->args.pd_state.prevState ==
4299 PD_SYSTEM) &&
4300 (evt_detail->args.pd_state.newState != PD_SYSTEM)) {
4301 mutex_enter(&instance->config_dev_mtx);
4302 instance->mr_tbolt_pd_list[tgt].flag =
4303 (uint8_t)~MRDRV_TGT_VALID;
4304 mutex_exit(&instance->config_dev_mtx);
4305 rval = mrsas_service_evt(instance,
4306 ddi_get16(acc_handle,
4307 &evt_detail->args.pd.device_id),
4308 1, MRSAS_EVT_UNCONFIG_TGT, NULL);
4309 con_log(CL_ANN1, (CE_WARN, "mr_sas: PD_REMOVED:"
4310 "rval = %d tgt id = %d ", rval,
4311 ddi_get16(acc_handle,
4312 &evt_detail->args.pd.device_id)));
4313 break;
4314 }
4315 if ((evt_detail->args.pd_state.prevState
4316 == UNCONFIGURED_GOOD) &&
4317 (evt_detail->args.pd_state.newState == PD_SYSTEM)) {
4318 rval = mrsas_service_evt(instance,
4319 ddi_get16(acc_handle,
4320 &evt_detail->args.pd.device_id),
4321 1, MRSAS_EVT_CONFIG_TGT, NULL);
4322 con_log(CL_ANN1, (CE_WARN,
4323 "mr_sas: PD_INSERTED: rval = %d "
4324 " tgt id = %d ", rval,
4325 ddi_get16(acc_handle,
4326 &evt_detail->args.pd.device_id)));
4327 break;
4328 }
4329 }
4330 break;
4331 }
4332 #endif
4333
4334 } /* End of Main Switch */
4335
4336 /* get copy of seq_num and class/locale for re-registration */
4337 seq_num = ddi_get32(acc_handle, &evt_detail->seq_num);
4338 seq_num++;
4339 (void) memset(instance->mfi_evt_detail_obj.buffer, 0,
4340 sizeof (struct mrsas_evt_detail));
4341
4342 ddi_put8(acc_handle, &cmd->frame->dcmd.cmd_status, 0x0);
4343 ddi_put32(acc_handle, &cmd->frame->dcmd.mbox.w[0], seq_num);
4344
4345 instance->aen_seq_num = seq_num;
4346
4347 cmd->frame_count = 1;
4348
4349 cmd->retry_count_for_ocr = 0;
4350 cmd->drv_pkt_time = 0;
4351
4352 /* Issue the aen registration frame */
4353 instance->func_ptr->issue_cmd(cmd, instance);
4354 }
4355
4356 /*
4357 * complete_cmd_in_sync_mode - Completes an internal command
4358 * @instance: Adapter soft state
4359 * @cmd: Command to be completed
4360 *
4361 * The issue_cmd_in_sync_mode() function waits for a command to complete
4362 * after it issues a command. This function wakes up that waiting routine by
4363 * calling wake_up() on the wait queue.
4364 */
4365 static void
4366 complete_cmd_in_sync_mode(struct mrsas_instance *instance,
4367 struct mrsas_cmd *cmd)
4368 {
4369 cmd->cmd_status = ddi_get8(cmd->frame_dma_obj.acc_handle,
4370 &cmd->frame->io.cmd_status);
4371
4372 cmd->sync_cmd = MRSAS_FALSE;
4373
4374 con_log(CL_ANN1, (CE_NOTE, "complete_cmd_in_sync_mode called %p \n",
4375 (void *)cmd));
4376
4377 mutex_enter(&instance->int_cmd_mtx);
4378 if (cmd->cmd_status == ENODATA) {
4379 cmd->cmd_status = 0;
4380 }
4381 cv_broadcast(&instance->int_cmd_cv);
4382 mutex_exit(&instance->int_cmd_mtx);
4383
4384 }
4385
4386 /*
4387 * Call this function inside mrsas_softintr.
4388 * mrsas_initiate_ocr_if_fw_is_faulty - Initiates OCR if FW status is faulty
4389 * @instance: Adapter soft state
4390 */
4391
4392 static uint32_t
4393 mrsas_initiate_ocr_if_fw_is_faulty(struct mrsas_instance *instance)
4394 {
4395 uint32_t cur_abs_reg_val;
4396 uint32_t fw_state;
4397
4398 cur_abs_reg_val = instance->func_ptr->read_fw_status_reg(instance);
4399 fw_state = cur_abs_reg_val & MFI_STATE_MASK;
4400 if (fw_state == MFI_STATE_FAULT) {
4401 if (instance->disable_online_ctrl_reset == 1) {
4402 dev_err(instance->dip, CE_WARN,
4403 "mrsas_initiate_ocr_if_fw_is_faulty: "
4404 "FW in Fault state, detected in ISR: "
4405 "FW doesn't support ocr ");
4406
4407 return (ADAPTER_RESET_NOT_REQUIRED);
4408 } else {
4409 con_log(CL_ANN, (CE_NOTE,
4410 "mrsas_initiate_ocr_if_fw_is_faulty: FW in Fault "
4411 "state, detected in ISR: FW supports ocr "));
4412
4413 return (ADAPTER_RESET_REQUIRED);
4414 }
4415 }
4416
4417 return (ADAPTER_RESET_NOT_REQUIRED);
4418 }
4419
4420 /*
4421 * mrsas_softintr - The Software ISR
4422 * @param arg : HBA soft state
4423 *
4424 * called from high-level interrupt if hi-level interrupt are not there,
4425 * otherwise triggered as a soft interrupt
4426 */
4427 static uint_t
4428 mrsas_softintr(struct mrsas_instance *instance)
4429 {
4430 struct scsi_pkt *pkt;
4431 struct scsa_cmd *acmd;
4432 struct mrsas_cmd *cmd;
4433 struct mlist_head *pos, *next;
4434 mlist_t process_list;
4435 struct mrsas_header *hdr;
4436 struct scsi_arq_status *arqstat;
4437
4438 con_log(CL_ANN1, (CE_NOTE, "mrsas_softintr() called."));
4439
4440 ASSERT(instance);
4441
4442 mutex_enter(&instance->completed_pool_mtx);
4443
4444 if (mlist_empty(&instance->completed_pool_list)) {
4445 mutex_exit(&instance->completed_pool_mtx);
4446 return (DDI_INTR_CLAIMED);
4447 }
4448
4449 instance->softint_running = 1;
4450
4451 INIT_LIST_HEAD(&process_list);
4452 mlist_splice(&instance->completed_pool_list, &process_list);
4453 INIT_LIST_HEAD(&instance->completed_pool_list);
4454
4455 mutex_exit(&instance->completed_pool_mtx);
4456
4457 /* perform all callbacks first, before releasing the SCBs */
4458 mlist_for_each_safe(pos, next, &process_list) {
4459 cmd = mlist_entry(pos, struct mrsas_cmd, list);
4460
4461 /* syncronize the Cmd frame for the controller */
4462 (void) ddi_dma_sync(cmd->frame_dma_obj.dma_handle,
4463 0, 0, DDI_DMA_SYNC_FORCPU);
4464
4465 if (mrsas_check_dma_handle(cmd->frame_dma_obj.dma_handle) !=
4466 DDI_SUCCESS) {
4467 mrsas_fm_ereport(instance, DDI_FM_DEVICE_NO_RESPONSE);
4468 ddi_fm_service_impact(instance->dip, DDI_SERVICE_LOST);
4469 con_log(CL_ANN1, (CE_WARN,
4470 "mrsas_softintr: "
4471 "FMA check reports DMA handle failure"));
4472 return (DDI_INTR_CLAIMED);
4473 }
4474
4475 hdr = &cmd->frame->hdr;
4476
4477 /* remove the internal command from the process list */
4478 mlist_del_init(&cmd->list);
4479
4480 switch (ddi_get8(cmd->frame_dma_obj.acc_handle, &hdr->cmd)) {
4481 case MFI_CMD_OP_PD_SCSI:
4482 case MFI_CMD_OP_LD_SCSI:
4483 case MFI_CMD_OP_LD_READ:
4484 case MFI_CMD_OP_LD_WRITE:
4485 /*
4486 * MFI_CMD_OP_PD_SCSI and MFI_CMD_OP_LD_SCSI
4487 * could have been issued either through an
4488 * IO path or an IOCTL path. If it was via IOCTL,
4489 * we will send it to internal completion.
4490 */
4491 if (cmd->sync_cmd == MRSAS_TRUE) {
4492 complete_cmd_in_sync_mode(instance, cmd);
4493 break;
4494 }
4495
4496 /* regular commands */
4497 acmd = cmd->cmd;
4498 pkt = CMD2PKT(acmd);
4499
4500 if (acmd->cmd_flags & CFLAG_DMAVALID) {
4501 if (acmd->cmd_flags & CFLAG_CONSISTENT) {
4502 (void) ddi_dma_sync(acmd->cmd_dmahandle,
4503 acmd->cmd_dma_offset,
4504 acmd->cmd_dma_len,
4505 DDI_DMA_SYNC_FORCPU);
4506 }
4507 }
4508
4509 pkt->pkt_reason = CMD_CMPLT;
4510 pkt->pkt_statistics = 0;
4511 pkt->pkt_state = STATE_GOT_BUS
4512 | STATE_GOT_TARGET | STATE_SENT_CMD
4513 | STATE_XFERRED_DATA | STATE_GOT_STATUS;
4514
4515 con_log(CL_ANN, (CE_CONT,
4516 "CDB[0] = %x completed for %s: size %lx context %x",
4517 pkt->pkt_cdbp[0], ((acmd->islogical) ? "LD" : "PD"),
4518 acmd->cmd_dmacount, hdr->context));
4519 DTRACE_PROBE3(softintr_cdb, uint8_t, pkt->pkt_cdbp[0],
4520 uint_t, acmd->cmd_cdblen, ulong_t,
4521 acmd->cmd_dmacount);
4522
4523 if (pkt->pkt_cdbp[0] == SCMD_INQUIRY) {
4524 struct scsi_inquiry *inq;
4525
4526 if (acmd->cmd_dmacount != 0) {
4527 bp_mapin(acmd->cmd_buf);
4528 inq = (struct scsi_inquiry *)
4529 acmd->cmd_buf->b_un.b_addr;
4530
4531 #ifdef PDSUPPORT
4532 if (hdr->cmd_status == MFI_STAT_OK) {
4533 display_scsi_inquiry(
4534 (caddr_t)inq);
4535 }
4536 #else
4537 /* don't expose physical drives to OS */
4538 if (acmd->islogical &&
4539 (hdr->cmd_status == MFI_STAT_OK)) {
4540 display_scsi_inquiry(
4541 (caddr_t)inq);
4542 } else if ((hdr->cmd_status ==
4543 MFI_STAT_OK) && inq->inq_dtype ==
4544 DTYPE_DIRECT) {
4545
4546 display_scsi_inquiry(
4547 (caddr_t)inq);
4548
4549 /* for physical disk */
4550 hdr->cmd_status =
4551 MFI_STAT_DEVICE_NOT_FOUND;
4552 }
4553 #endif /* PDSUPPORT */
4554 }
4555 }
4556
4557 DTRACE_PROBE2(softintr_done, uint8_t, hdr->cmd,
4558 uint8_t, hdr->cmd_status);
4559
4560 switch (hdr->cmd_status) {
4561 case MFI_STAT_OK:
4562 pkt->pkt_scbp[0] = STATUS_GOOD;
4563 break;
4564 case MFI_STAT_LD_CC_IN_PROGRESS:
4565 case MFI_STAT_LD_RECON_IN_PROGRESS:
4566 pkt->pkt_scbp[0] = STATUS_GOOD;
4567 break;
4568 case MFI_STAT_LD_INIT_IN_PROGRESS:
4569 con_log(CL_ANN,
4570 (CE_WARN, "Initialization in Progress"));
4571 pkt->pkt_reason = CMD_TRAN_ERR;
4572
4573 break;
4574 case MFI_STAT_SCSI_DONE_WITH_ERROR:
4575 con_log(CL_ANN, (CE_CONT, "scsi_done error"));
4576
4577 pkt->pkt_reason = CMD_CMPLT;
4578 ((struct scsi_status *)
4579 pkt->pkt_scbp)->sts_chk = 1;
4580
4581 if (pkt->pkt_cdbp[0] == SCMD_TEST_UNIT_READY) {
4582 con_log(CL_ANN,
4583 (CE_WARN, "TEST_UNIT_READY fail"));
4584 } else {
4585 pkt->pkt_state |= STATE_ARQ_DONE;
4586 arqstat = (void *)(pkt->pkt_scbp);
4587 arqstat->sts_rqpkt_reason = CMD_CMPLT;
4588 arqstat->sts_rqpkt_resid = 0;
4589 arqstat->sts_rqpkt_state |=
4590 STATE_GOT_BUS | STATE_GOT_TARGET
4591 | STATE_SENT_CMD
4592 | STATE_XFERRED_DATA;
4593 *(uint8_t *)&arqstat->sts_rqpkt_status =
4594 STATUS_GOOD;
4595 ddi_rep_get8(
4596 cmd->frame_dma_obj.acc_handle,
4597 (uint8_t *)
4598 &(arqstat->sts_sensedata),
4599 cmd->sense,
4600 sizeof (struct scsi_extended_sense),
4601 DDI_DEV_AUTOINCR);
4602 }
4603 break;
4604 case MFI_STAT_LD_OFFLINE:
4605 case MFI_STAT_DEVICE_NOT_FOUND:
4606 con_log(CL_ANN, (CE_CONT,
4607 "mrsas_softintr:device not found error"));
4608 pkt->pkt_reason = CMD_DEV_GONE;
4609 pkt->pkt_statistics = STAT_DISCON;
4610 break;
4611 case MFI_STAT_LD_LBA_OUT_OF_RANGE:
4612 pkt->pkt_state |= STATE_ARQ_DONE;
4613 pkt->pkt_reason = CMD_CMPLT;
4614 ((struct scsi_status *)
4615 pkt->pkt_scbp)->sts_chk = 1;
4616
4617 arqstat = (void *)(pkt->pkt_scbp);
4618 arqstat->sts_rqpkt_reason = CMD_CMPLT;
4619 arqstat->sts_rqpkt_resid = 0;
4620 arqstat->sts_rqpkt_state |= STATE_GOT_BUS
4621 | STATE_GOT_TARGET | STATE_SENT_CMD
4622 | STATE_XFERRED_DATA;
4623 *(uint8_t *)&arqstat->sts_rqpkt_status =
4624 STATUS_GOOD;
4625
4626 arqstat->sts_sensedata.es_valid = 1;
4627 arqstat->sts_sensedata.es_key =
4628 KEY_ILLEGAL_REQUEST;
4629 arqstat->sts_sensedata.es_class =
4630 CLASS_EXTENDED_SENSE;
4631
4632 /*
4633 * LOGICAL BLOCK ADDRESS OUT OF RANGE:
4634 * ASC: 0x21h; ASCQ: 0x00h;
4635 */
4636 arqstat->sts_sensedata.es_add_code = 0x21;
4637 arqstat->sts_sensedata.es_qual_code = 0x00;
4638
4639 break;
4640
4641 default:
4642 con_log(CL_ANN, (CE_CONT, "Unknown status!"));
4643 pkt->pkt_reason = CMD_TRAN_ERR;
4644
4645 break;
4646 }
4647
4648 atomic_add_16(&instance->fw_outstanding, (-1));
4649
4650 (void) mrsas_common_check(instance, cmd);
4651
4652 if (acmd->cmd_dmahandle) {
4653 if (mrsas_check_dma_handle(
4654 acmd->cmd_dmahandle) != DDI_SUCCESS) {
4655 ddi_fm_service_impact(instance->dip,
4656 DDI_SERVICE_UNAFFECTED);
4657 pkt->pkt_reason = CMD_TRAN_ERR;
4658 pkt->pkt_statistics = 0;
4659 }
4660 }
4661
4662 mrsas_return_mfi_pkt(instance, cmd);
4663
4664 /* Call the callback routine */
4665 if (((pkt->pkt_flags & FLAG_NOINTR) == 0) &&
4666 pkt->pkt_comp) {
4667 (*pkt->pkt_comp)(pkt);
4668 }
4669
4670 break;
4671
4672 case MFI_CMD_OP_SMP:
4673 case MFI_CMD_OP_STP:
4674 complete_cmd_in_sync_mode(instance, cmd);
4675 break;
4676
4677 case MFI_CMD_OP_DCMD:
4678 /* see if got an event notification */
4679 if (ddi_get32(cmd->frame_dma_obj.acc_handle,
4680 &cmd->frame->dcmd.opcode) ==
4681 MR_DCMD_CTRL_EVENT_WAIT) {
4682 if ((instance->aen_cmd == cmd) &&
4683 (instance->aen_cmd->abort_aen)) {
4684 con_log(CL_ANN, (CE_WARN,
4685 "mrsas_softintr: "
4686 "aborted_aen returned"));
4687 } else {
4688 atomic_add_16(&instance->fw_outstanding,
4689 (-1));
4690 service_mfi_aen(instance, cmd);
4691 }
4692 } else {
4693 complete_cmd_in_sync_mode(instance, cmd);
4694 }
4695
4696 break;
4697
4698 case MFI_CMD_OP_ABORT:
4699 con_log(CL_ANN, (CE_NOTE, "MFI_CMD_OP_ABORT complete"));
4700 /*
4701 * MFI_CMD_OP_ABORT successfully completed
4702 * in the synchronous mode
4703 */
4704 complete_cmd_in_sync_mode(instance, cmd);
4705 break;
4706
4707 default:
4708 mrsas_fm_ereport(instance, DDI_FM_DEVICE_NO_RESPONSE);
4709 ddi_fm_service_impact(instance->dip, DDI_SERVICE_LOST);
4710
4711 if (cmd->pkt != NULL) {
4712 pkt = cmd->pkt;
4713 if (((pkt->pkt_flags & FLAG_NOINTR) == 0) &&
4714 pkt->pkt_comp) {
4715
4716 con_log(CL_ANN1, (CE_CONT, "posting to "
4717 "scsa cmd %p index %x pkt %p"
4718 "time %llx, default ", (void *)cmd,
4719 cmd->index, (void *)pkt,
4720 gethrtime()));
4721
4722 (*pkt->pkt_comp)(pkt);
4723
4724 }
4725 }
4726 con_log(CL_ANN, (CE_WARN, "Cmd type unknown !"));
4727 break;
4728 }
4729 }
4730
4731 instance->softint_running = 0;
4732
4733 return (DDI_INTR_CLAIMED);
4734 }
4735
4736 /*
4737 * mrsas_alloc_dma_obj
4738 *
4739 * Allocate the memory and other resources for an dma object.
4740 */
4741 int
4742 mrsas_alloc_dma_obj(struct mrsas_instance *instance, dma_obj_t *obj,
4743 uchar_t endian_flags)
4744 {
4745 int i;
4746 size_t alen = 0;
4747 uint_t cookie_cnt;
4748 struct ddi_device_acc_attr tmp_endian_attr;
4749
4750 tmp_endian_attr = endian_attr;
4751 tmp_endian_attr.devacc_attr_endian_flags = endian_flags;
4752 tmp_endian_attr.devacc_attr_access = DDI_DEFAULT_ACC;
4753
4754 i = ddi_dma_alloc_handle(instance->dip, &obj->dma_attr,
4755 DDI_DMA_SLEEP, NULL, &obj->dma_handle);
4756 if (i != DDI_SUCCESS) {
4757
4758 switch (i) {
4759 case DDI_DMA_BADATTR :
4760 con_log(CL_ANN, (CE_WARN,
4761 "Failed ddi_dma_alloc_handle- Bad attribute"));
4762 break;
4763 case DDI_DMA_NORESOURCES :
4764 con_log(CL_ANN, (CE_WARN,
4765 "Failed ddi_dma_alloc_handle- No Resources"));
4766 break;
4767 default :
4768 con_log(CL_ANN, (CE_WARN,
4769 "Failed ddi_dma_alloc_handle: "
4770 "unknown status %d", i));
4771 break;
4772 }
4773
4774 return (-1);
4775 }
4776
4777 if ((ddi_dma_mem_alloc(obj->dma_handle, obj->size, &tmp_endian_attr,
4778 DDI_DMA_RDWR | DDI_DMA_STREAMING, DDI_DMA_SLEEP, NULL,
4779 &obj->buffer, &alen, &obj->acc_handle) != DDI_SUCCESS) ||
4780 alen < obj->size) {
4781
4782 ddi_dma_free_handle(&obj->dma_handle);
4783
4784 con_log(CL_ANN, (CE_WARN, "Failed : ddi_dma_mem_alloc"));
4785
4786 return (-1);
4787 }
4788
4789 if (ddi_dma_addr_bind_handle(obj->dma_handle, NULL, obj->buffer,
4790 obj->size, DDI_DMA_RDWR | DDI_DMA_STREAMING, DDI_DMA_SLEEP,
4791 NULL, &obj->dma_cookie[0], &cookie_cnt) != DDI_SUCCESS) {
4792
4793 ddi_dma_mem_free(&obj->acc_handle);
4794 ddi_dma_free_handle(&obj->dma_handle);
4795
4796 con_log(CL_ANN, (CE_WARN, "Failed : ddi_dma_addr_bind_handle"));
4797
4798 return (-1);
4799 }
4800
4801 if (mrsas_check_dma_handle(obj->dma_handle) != DDI_SUCCESS) {
4802 ddi_fm_service_impact(instance->dip, DDI_SERVICE_LOST);
4803 return (-1);
4804 }
4805
4806 if (mrsas_check_acc_handle(obj->acc_handle) != DDI_SUCCESS) {
4807 ddi_fm_service_impact(instance->dip, DDI_SERVICE_LOST);
4808 return (-1);
4809 }
4810
4811 return (cookie_cnt);
4812 }
4813
4814 /*
4815 * mrsas_free_dma_obj(struct mrsas_instance *, dma_obj_t)
4816 *
4817 * De-allocate the memory and other resources for an dma object, which must
4818 * have been alloated by a previous call to mrsas_alloc_dma_obj()
4819 */
4820 int
4821 mrsas_free_dma_obj(struct mrsas_instance *instance, dma_obj_t obj)
4822 {
4823
4824 if ((obj.dma_handle == NULL) || (obj.acc_handle == NULL)) {
4825 return (DDI_SUCCESS);
4826 }
4827
4828 /*
4829 * NOTE: These check-handle functions fail if *_handle == NULL, but
4830 * this function succeeds because of the previous check.
4831 */
4832 if (mrsas_check_dma_handle(obj.dma_handle) != DDI_SUCCESS) {
4833 ddi_fm_service_impact(instance->dip, DDI_SERVICE_UNAFFECTED);
4834 return (DDI_FAILURE);
4835 }
4836
4837 if (mrsas_check_acc_handle(obj.acc_handle) != DDI_SUCCESS) {
4838 ddi_fm_service_impact(instance->dip, DDI_SERVICE_UNAFFECTED);
4839 return (DDI_FAILURE);
4840 }
4841
4842 (void) ddi_dma_unbind_handle(obj.dma_handle);
4843 ddi_dma_mem_free(&obj.acc_handle);
4844 ddi_dma_free_handle(&obj.dma_handle);
4845 obj.acc_handle = NULL;
4846 return (DDI_SUCCESS);
4847 }
4848
4849 /*
4850 * mrsas_dma_alloc(instance_t *, struct scsi_pkt *, struct buf *,
4851 * int, int (*)())
4852 *
4853 * Allocate dma resources for a new scsi command
4854 */
4855 int
4856 mrsas_dma_alloc(struct mrsas_instance *instance, struct scsi_pkt *pkt,
4857 struct buf *bp, int flags, int (*callback)())
4858 {
4859 int dma_flags;
4860 int (*cb)(caddr_t);
4861 int i;
4862
4863 ddi_dma_attr_t tmp_dma_attr = mrsas_generic_dma_attr;
4864 struct scsa_cmd *acmd = PKT2CMD(pkt);
4865
4866 acmd->cmd_buf = bp;
4867
4868 if (bp->b_flags & B_READ) {
4869 acmd->cmd_flags &= ~CFLAG_DMASEND;
4870 dma_flags = DDI_DMA_READ;
4871 } else {
4872 acmd->cmd_flags |= CFLAG_DMASEND;
4873 dma_flags = DDI_DMA_WRITE;
4874 }
4875
4876 if (flags & PKT_CONSISTENT) {
4877 acmd->cmd_flags |= CFLAG_CONSISTENT;
4878 dma_flags |= DDI_DMA_CONSISTENT;
4879 }
4880
4881 if (flags & PKT_DMA_PARTIAL) {
4882 dma_flags |= DDI_DMA_PARTIAL;
4883 }
4884
4885 dma_flags |= DDI_DMA_REDZONE;
4886
4887 cb = (callback == NULL_FUNC) ? DDI_DMA_DONTWAIT : DDI_DMA_SLEEP;
4888
4889 tmp_dma_attr.dma_attr_sgllen = instance->max_num_sge;
4890 tmp_dma_attr.dma_attr_addr_hi = 0xffffffffffffffffull;
4891 if (instance->tbolt) {
4892 /* OCR-RESET FIX */
4893 tmp_dma_attr.dma_attr_count_max =
4894 (U64)mrsas_tbolt_max_cap_maxxfer; /* limit to 256K */
4895 tmp_dma_attr.dma_attr_maxxfer =
4896 (U64)mrsas_tbolt_max_cap_maxxfer; /* limit to 256K */
4897 }
4898
4899 if ((i = ddi_dma_alloc_handle(instance->dip, &tmp_dma_attr,
4900 cb, 0, &acmd->cmd_dmahandle)) != DDI_SUCCESS) {
4901 switch (i) {
4902 case DDI_DMA_BADATTR:
4903 bioerror(bp, EFAULT);
4904 return (DDI_FAILURE);
4905
4906 case DDI_DMA_NORESOURCES:
4907 bioerror(bp, 0);
4908 return (DDI_FAILURE);
4909
4910 default:
4911 con_log(CL_ANN, (CE_PANIC, "ddi_dma_alloc_handle: "
4912 "impossible result (0x%x)", i));
4913 bioerror(bp, EFAULT);
4914 return (DDI_FAILURE);
4915 }
4916 }
4917
4918 i = ddi_dma_buf_bind_handle(acmd->cmd_dmahandle, bp, dma_flags,
4919 cb, 0, &acmd->cmd_dmacookies[0], &acmd->cmd_ncookies);
4920
4921 switch (i) {
4922 case DDI_DMA_PARTIAL_MAP:
4923 if ((dma_flags & DDI_DMA_PARTIAL) == 0) {
4924 con_log(CL_ANN, (CE_PANIC, "ddi_dma_buf_bind_handle: "
4925 "DDI_DMA_PARTIAL_MAP impossible"));
4926 goto no_dma_cookies;
4927 }
4928
4929 if (ddi_dma_numwin(acmd->cmd_dmahandle, &acmd->cmd_nwin) ==
4930 DDI_FAILURE) {
4931 con_log(CL_ANN, (CE_PANIC, "ddi_dma_numwin failed"));
4932 goto no_dma_cookies;
4933 }
4934
4935 if (ddi_dma_getwin(acmd->cmd_dmahandle, acmd->cmd_curwin,
4936 &acmd->cmd_dma_offset, &acmd->cmd_dma_len,
4937 &acmd->cmd_dmacookies[0], &acmd->cmd_ncookies) ==
4938 DDI_FAILURE) {
4939
4940 con_log(CL_ANN, (CE_PANIC, "ddi_dma_getwin failed"));
4941 goto no_dma_cookies;
4942 }
4943
4944 goto get_dma_cookies;
4945 case DDI_DMA_MAPPED:
4946 acmd->cmd_nwin = 1;
4947 acmd->cmd_dma_len = 0;
4948 acmd->cmd_dma_offset = 0;
4949
4950 get_dma_cookies:
4951 i = 0;
4952 acmd->cmd_dmacount = 0;
4953 for (;;) {
4954 acmd->cmd_dmacount +=
4955 acmd->cmd_dmacookies[i++].dmac_size;
4956
4957 if (i == instance->max_num_sge ||
4958 i == acmd->cmd_ncookies)
4959 break;
4960
4961 ddi_dma_nextcookie(acmd->cmd_dmahandle,
4962 &acmd->cmd_dmacookies[i]);
4963 }
4964
4965 acmd->cmd_cookie = i;
4966 acmd->cmd_cookiecnt = i;
4967
4968 acmd->cmd_flags |= CFLAG_DMAVALID;
4969
4970 if (bp->b_bcount >= acmd->cmd_dmacount) {
4971 pkt->pkt_resid = bp->b_bcount - acmd->cmd_dmacount;
4972 } else {
4973 pkt->pkt_resid = 0;
4974 }
4975
4976 return (DDI_SUCCESS);
4977 case DDI_DMA_NORESOURCES:
4978 bioerror(bp, 0);
4979 break;
4980 case DDI_DMA_NOMAPPING:
4981 bioerror(bp, EFAULT);
4982 break;
4983 case DDI_DMA_TOOBIG:
4984 bioerror(bp, EINVAL);
4985 break;
4986 case DDI_DMA_INUSE:
4987 con_log(CL_ANN, (CE_PANIC, "ddi_dma_buf_bind_handle:"
4988 " DDI_DMA_INUSE impossible"));
4989 break;
4990 default:
4991 con_log(CL_ANN, (CE_PANIC, "ddi_dma_buf_bind_handle: "
4992 "impossible result (0x%x)", i));
4993 break;
4994 }
4995
4996 no_dma_cookies:
4997 ddi_dma_free_handle(&acmd->cmd_dmahandle);
4998 acmd->cmd_dmahandle = NULL;
4999 acmd->cmd_flags &= ~CFLAG_DMAVALID;
5000 return (DDI_FAILURE);
5001 }
5002
5003 /*
5004 * mrsas_dma_move(struct mrsas_instance *, struct scsi_pkt *, struct buf *)
5005 *
5006 * move dma resources to next dma window
5007 *
5008 */
5009 int
5010 mrsas_dma_move(struct mrsas_instance *instance, struct scsi_pkt *pkt,
5011 struct buf *bp)
5012 {
5013 int i = 0;
5014
5015 struct scsa_cmd *acmd = PKT2CMD(pkt);
5016
5017 /*
5018 * If there are no more cookies remaining in this window,
5019 * must move to the next window first.
5020 */
5021 if (acmd->cmd_cookie == acmd->cmd_ncookies) {
5022 if (acmd->cmd_curwin == acmd->cmd_nwin && acmd->cmd_nwin == 1) {
5023 return (DDI_SUCCESS);
5024 }
5025
5026 /* at last window, cannot move */
5027 if (++acmd->cmd_curwin >= acmd->cmd_nwin) {
5028 return (DDI_FAILURE);
5029 }
5030
5031 if (ddi_dma_getwin(acmd->cmd_dmahandle, acmd->cmd_curwin,
5032 &acmd->cmd_dma_offset, &acmd->cmd_dma_len,
5033 &acmd->cmd_dmacookies[0], &acmd->cmd_ncookies) ==
5034 DDI_FAILURE) {
5035 return (DDI_FAILURE);
5036 }
5037
5038 acmd->cmd_cookie = 0;
5039 } else {
5040 /* still more cookies in this window - get the next one */
5041 ddi_dma_nextcookie(acmd->cmd_dmahandle,
5042 &acmd->cmd_dmacookies[0]);
5043 }
5044
5045 /* get remaining cookies in this window, up to our maximum */
5046 for (;;) {
5047 acmd->cmd_dmacount += acmd->cmd_dmacookies[i++].dmac_size;
5048 acmd->cmd_cookie++;
5049
5050 if (i == instance->max_num_sge ||
5051 acmd->cmd_cookie == acmd->cmd_ncookies) {
5052 break;
5053 }
5054
5055 ddi_dma_nextcookie(acmd->cmd_dmahandle,
5056 &acmd->cmd_dmacookies[i]);
5057 }
5058
5059 acmd->cmd_cookiecnt = i;
5060
5061 if (bp->b_bcount >= acmd->cmd_dmacount) {
5062 pkt->pkt_resid = bp->b_bcount - acmd->cmd_dmacount;
5063 } else {
5064 pkt->pkt_resid = 0;
5065 }
5066
5067 return (DDI_SUCCESS);
5068 }
5069
5070 /*
5071 * build_cmd
5072 */
5073 static struct mrsas_cmd *
5074 build_cmd(struct mrsas_instance *instance, struct scsi_address *ap,
5075 struct scsi_pkt *pkt, uchar_t *cmd_done)
5076 {
5077 uint16_t flags = 0;
5078 uint32_t i;
5079 uint32_t context;
5080 uint32_t sge_bytes;
5081 uint32_t tmp_data_xfer_len;
5082 ddi_acc_handle_t acc_handle;
5083 struct mrsas_cmd *cmd;
5084 struct mrsas_sge64 *mfi_sgl;
5085 struct mrsas_sge_ieee *mfi_sgl_ieee;
5086 struct scsa_cmd *acmd = PKT2CMD(pkt);
5087 struct mrsas_pthru_frame *pthru;
5088 struct mrsas_io_frame *ldio;
5089
5090 /* find out if this is logical or physical drive command. */
5091 acmd->islogical = MRDRV_IS_LOGICAL(ap);
5092 acmd->device_id = MAP_DEVICE_ID(instance, ap);
5093 *cmd_done = 0;
5094
5095 /* get the command packet */
5096 if (!(cmd = mrsas_get_mfi_pkt(instance))) {
5097 DTRACE_PROBE2(build_cmd_mfi_err, uint16_t,
5098 instance->fw_outstanding, uint16_t, instance->max_fw_cmds);
5099 return (NULL);
5100 }
5101
5102 acc_handle = cmd->frame_dma_obj.acc_handle;
5103
5104 /* Clear the frame buffer and assign back the context id */
5105 (void) memset((char *)&cmd->frame[0], 0, sizeof (union mrsas_frame));
5106 ddi_put32(acc_handle, &cmd->frame->hdr.context, cmd->index);
5107
5108 cmd->pkt = pkt;
5109 cmd->cmd = acmd;
5110 DTRACE_PROBE3(build_cmds, uint8_t, pkt->pkt_cdbp[0],
5111 ulong_t, acmd->cmd_dmacount, ulong_t, acmd->cmd_dma_len);
5112
5113 /* lets get the command directions */
5114 if (acmd->cmd_flags & CFLAG_DMASEND) {
5115 flags = MFI_FRAME_DIR_WRITE;
5116
5117 if (acmd->cmd_flags & CFLAG_CONSISTENT) {
5118 (void) ddi_dma_sync(acmd->cmd_dmahandle,
5119 acmd->cmd_dma_offset, acmd->cmd_dma_len,
5120 DDI_DMA_SYNC_FORDEV);
5121 }
5122 } else if (acmd->cmd_flags & ~CFLAG_DMASEND) {
5123 flags = MFI_FRAME_DIR_READ;
5124
5125 if (acmd->cmd_flags & CFLAG_CONSISTENT) {
5126 (void) ddi_dma_sync(acmd->cmd_dmahandle,
5127 acmd->cmd_dma_offset, acmd->cmd_dma_len,
5128 DDI_DMA_SYNC_FORCPU);
5129 }
5130 } else {
5131 flags = MFI_FRAME_DIR_NONE;
5132 }
5133
5134 if (instance->flag_ieee) {
5135 flags |= MFI_FRAME_IEEE;
5136 }
5137 flags |= MFI_FRAME_SGL64;
5138
5139 switch (pkt->pkt_cdbp[0]) {
5140
5141 /*
5142 * case SCMD_SYNCHRONIZE_CACHE:
5143 * flush_cache(instance);
5144 * mrsas_return_mfi_pkt(instance, cmd);
5145 * *cmd_done = 1;
5146 *
5147 * return (NULL);
5148 */
5149
5150 case SCMD_READ:
5151 case SCMD_WRITE:
5152 case SCMD_READ_G1:
5153 case SCMD_WRITE_G1:
5154 case SCMD_READ_G4:
5155 case SCMD_WRITE_G4:
5156 case SCMD_READ_G5:
5157 case SCMD_WRITE_G5:
5158 if (acmd->islogical) {
5159 ldio = (struct mrsas_io_frame *)cmd->frame;
5160
5161 /*
5162 * preare the Logical IO frame:
5163 * 2nd bit is zero for all read cmds
5164 */
5165 ddi_put8(acc_handle, &ldio->cmd,
5166 (pkt->pkt_cdbp[0] & 0x02) ? MFI_CMD_OP_LD_WRITE
5167 : MFI_CMD_OP_LD_READ);
5168 ddi_put8(acc_handle, &ldio->cmd_status, 0x0);
5169 ddi_put8(acc_handle, &ldio->scsi_status, 0x0);
5170 ddi_put8(acc_handle, &ldio->target_id, acmd->device_id);
5171 ddi_put16(acc_handle, &ldio->timeout, 0);
5172 ddi_put8(acc_handle, &ldio->reserved_0, 0);
5173 ddi_put16(acc_handle, &ldio->pad_0, 0);
5174 ddi_put16(acc_handle, &ldio->flags, flags);
5175
5176 /* Initialize sense Information */
5177 bzero(cmd->sense, SENSE_LENGTH);
5178 ddi_put8(acc_handle, &ldio->sense_len, SENSE_LENGTH);
5179 ddi_put32(acc_handle, &ldio->sense_buf_phys_addr_hi, 0);
5180 ddi_put32(acc_handle, &ldio->sense_buf_phys_addr_lo,
5181 cmd->sense_phys_addr);
5182 ddi_put32(acc_handle, &ldio->start_lba_hi, 0);
5183 ddi_put8(acc_handle, &ldio->access_byte,
5184 (acmd->cmd_cdblen != 6) ? pkt->pkt_cdbp[1] : 0);
5185 ddi_put8(acc_handle, &ldio->sge_count,
5186 acmd->cmd_cookiecnt);
5187 if (instance->flag_ieee) {
5188 mfi_sgl_ieee =
5189 (struct mrsas_sge_ieee *)&ldio->sgl;
5190 } else {
5191 mfi_sgl = (struct mrsas_sge64 *)&ldio->sgl;
5192 }
5193
5194 context = ddi_get32(acc_handle, &ldio->context);
5195
5196 if (acmd->cmd_cdblen == CDB_GROUP0) {
5197 /* 6-byte cdb */
5198 ddi_put32(acc_handle, &ldio->lba_count, (
5199 (uint16_t)(pkt->pkt_cdbp[4])));
5200
5201 ddi_put32(acc_handle, &ldio->start_lba_lo, (
5202 ((uint32_t)(pkt->pkt_cdbp[3])) |
5203 ((uint32_t)(pkt->pkt_cdbp[2]) << 8) |
5204 ((uint32_t)((pkt->pkt_cdbp[1]) & 0x1F)
5205 << 16)));
5206 } else if (acmd->cmd_cdblen == CDB_GROUP1) {
5207 /* 10-byte cdb */
5208 ddi_put32(acc_handle, &ldio->lba_count, (
5209 ((uint16_t)(pkt->pkt_cdbp[8])) |
5210 ((uint16_t)(pkt->pkt_cdbp[7]) << 8)));
5211
5212 ddi_put32(acc_handle, &ldio->start_lba_lo, (
5213 ((uint32_t)(pkt->pkt_cdbp[5])) |
5214 ((uint32_t)(pkt->pkt_cdbp[4]) << 8) |
5215 ((uint32_t)(pkt->pkt_cdbp[3]) << 16) |
5216 ((uint32_t)(pkt->pkt_cdbp[2]) << 24)));
5217 } else if (acmd->cmd_cdblen == CDB_GROUP5) {
5218 /* 12-byte cdb */
5219 ddi_put32(acc_handle, &ldio->lba_count, (
5220 ((uint32_t)(pkt->pkt_cdbp[9])) |
5221 ((uint32_t)(pkt->pkt_cdbp[8]) << 8) |
5222 ((uint32_t)(pkt->pkt_cdbp[7]) << 16) |
5223 ((uint32_t)(pkt->pkt_cdbp[6]) << 24)));
5224
5225 ddi_put32(acc_handle, &ldio->start_lba_lo, (
5226 ((uint32_t)(pkt->pkt_cdbp[5])) |
5227 ((uint32_t)(pkt->pkt_cdbp[4]) << 8) |
5228 ((uint32_t)(pkt->pkt_cdbp[3]) << 16) |
5229 ((uint32_t)(pkt->pkt_cdbp[2]) << 24)));
5230 } else if (acmd->cmd_cdblen == CDB_GROUP4) {
5231 /* 16-byte cdb */
5232 ddi_put32(acc_handle, &ldio->lba_count, (
5233 ((uint32_t)(pkt->pkt_cdbp[13])) |
5234 ((uint32_t)(pkt->pkt_cdbp[12]) << 8) |
5235 ((uint32_t)(pkt->pkt_cdbp[11]) << 16) |
5236 ((uint32_t)(pkt->pkt_cdbp[10]) << 24)));
5237
5238 ddi_put32(acc_handle, &ldio->start_lba_lo, (
5239 ((uint32_t)(pkt->pkt_cdbp[9])) |
5240 ((uint32_t)(pkt->pkt_cdbp[8]) << 8) |
5241 ((uint32_t)(pkt->pkt_cdbp[7]) << 16) |
5242 ((uint32_t)(pkt->pkt_cdbp[6]) << 24)));
5243
5244 ddi_put32(acc_handle, &ldio->start_lba_hi, (
5245 ((uint32_t)(pkt->pkt_cdbp[5])) |
5246 ((uint32_t)(pkt->pkt_cdbp[4]) << 8) |
5247 ((uint32_t)(pkt->pkt_cdbp[3]) << 16) |
5248 ((uint32_t)(pkt->pkt_cdbp[2]) << 24)));
5249 }
5250
5251 break;
5252 }
5253 /* fall through For all non-rd/wr and physical disk cmds */
5254 default:
5255
5256 switch (pkt->pkt_cdbp[0]) {
5257 case SCMD_MODE_SENSE:
5258 case SCMD_MODE_SENSE_G1: {
5259 union scsi_cdb *cdbp;
5260 uint16_t page_code;
5261
5262 cdbp = (void *)pkt->pkt_cdbp;
5263 page_code = (uint16_t)cdbp->cdb_un.sg.scsi[0];
5264 switch (page_code) {
5265 case 0x3:
5266 case 0x4:
5267 (void) mrsas_mode_sense_build(pkt);
5268 mrsas_return_mfi_pkt(instance, cmd);
5269 *cmd_done = 1;
5270 return (NULL);
5271 }
5272 break;
5273 }
5274 default:
5275 break;
5276 }
5277
5278 pthru = (struct mrsas_pthru_frame *)cmd->frame;
5279
5280 /* prepare the DCDB frame */
5281 ddi_put8(acc_handle, &pthru->cmd, (acmd->islogical) ?
5282 MFI_CMD_OP_LD_SCSI : MFI_CMD_OP_PD_SCSI);
5283 ddi_put8(acc_handle, &pthru->cmd_status, 0x0);
5284 ddi_put8(acc_handle, &pthru->scsi_status, 0x0);
5285 ddi_put8(acc_handle, &pthru->target_id, acmd->device_id);
5286 ddi_put8(acc_handle, &pthru->lun, 0);
5287 ddi_put8(acc_handle, &pthru->cdb_len, acmd->cmd_cdblen);
5288 ddi_put16(acc_handle, &pthru->timeout, 0);
5289 ddi_put16(acc_handle, &pthru->flags, flags);
5290 tmp_data_xfer_len = 0;
5291 for (i = 0; i < acmd->cmd_cookiecnt; i++) {
5292 tmp_data_xfer_len += acmd->cmd_dmacookies[i].dmac_size;
5293 }
5294 ddi_put32(acc_handle, &pthru->data_xfer_len,
5295 tmp_data_xfer_len);
5296 ddi_put8(acc_handle, &pthru->sge_count, acmd->cmd_cookiecnt);
5297 if (instance->flag_ieee) {
5298 mfi_sgl_ieee = (struct mrsas_sge_ieee *)&pthru->sgl;
5299 } else {
5300 mfi_sgl = (struct mrsas_sge64 *)&pthru->sgl;
5301 }
5302
5303 bzero(cmd->sense, SENSE_LENGTH);
5304 ddi_put8(acc_handle, &pthru->sense_len, SENSE_LENGTH);
5305 ddi_put32(acc_handle, &pthru->sense_buf_phys_addr_hi, 0);
5306 ddi_put32(acc_handle, &pthru->sense_buf_phys_addr_lo,
5307 cmd->sense_phys_addr);
5308
5309 context = ddi_get32(acc_handle, &pthru->context);
5310 ddi_rep_put8(acc_handle, (uint8_t *)pkt->pkt_cdbp,
5311 (uint8_t *)pthru->cdb, acmd->cmd_cdblen, DDI_DEV_AUTOINCR);
5312
5313 break;
5314 }
5315 #ifdef lint
5316 context = context;
5317 #endif
5318 /* prepare the scatter-gather list for the firmware */
5319 if (instance->flag_ieee) {
5320 for (i = 0; i < acmd->cmd_cookiecnt; i++, mfi_sgl_ieee++) {
5321 ddi_put64(acc_handle, &mfi_sgl_ieee->phys_addr,
5322 acmd->cmd_dmacookies[i].dmac_laddress);
5323 ddi_put32(acc_handle, &mfi_sgl_ieee->length,
5324 acmd->cmd_dmacookies[i].dmac_size);
5325 }
5326 sge_bytes = sizeof (struct mrsas_sge_ieee)*acmd->cmd_cookiecnt;
5327 } else {
5328 for (i = 0; i < acmd->cmd_cookiecnt; i++, mfi_sgl++) {
5329 ddi_put64(acc_handle, &mfi_sgl->phys_addr,
5330 acmd->cmd_dmacookies[i].dmac_laddress);
5331 ddi_put32(acc_handle, &mfi_sgl->length,
5332 acmd->cmd_dmacookies[i].dmac_size);
5333 }
5334 sge_bytes = sizeof (struct mrsas_sge64)*acmd->cmd_cookiecnt;
5335 }
5336
5337 cmd->frame_count = (sge_bytes / MRMFI_FRAME_SIZE) +
5338 ((sge_bytes % MRMFI_FRAME_SIZE) ? 1 : 0) + 1;
5339
5340 if (cmd->frame_count >= 8) {
5341 cmd->frame_count = 8;
5342 }
5343
5344 return (cmd);
5345 }
5346
5347 /*
5348 * wait_for_outstanding - Wait for all outstanding cmds
5349 * @instance: Adapter soft state
5350 *
5351 * This function waits for upto MRDRV_RESET_WAIT_TIME seconds for FW to
5352 * complete all its outstanding commands. Returns error if one or more IOs
5353 * are pending after this time period.
5354 */
5355 static int
5356 wait_for_outstanding(struct mrsas_instance *instance)
5357 {
5358 int i;
5359 uint32_t wait_time = 90;
5360
5361 for (i = 0; i < wait_time; i++) {
5362 if (!instance->fw_outstanding) {
5363 break;
5364 }
5365
5366 drv_usecwait(MILLISEC); /* wait for 1000 usecs */;
5367 }
5368
5369 if (instance->fw_outstanding) {
5370 return (1);
5371 }
5372
5373 return (0);
5374 }
5375
5376 /*
5377 * issue_mfi_pthru
5378 */
5379 static int
5380 issue_mfi_pthru(struct mrsas_instance *instance, struct mrsas_ioctl *ioctl,
5381 struct mrsas_cmd *cmd, int mode)
5382 {
5383 void *ubuf;
5384 uint32_t kphys_addr = 0;
5385 uint32_t xferlen = 0;
5386 uint32_t new_xfer_length = 0;
5387 uint_t model;
5388 ddi_acc_handle_t acc_handle = cmd->frame_dma_obj.acc_handle;
5389 dma_obj_t pthru_dma_obj;
5390 struct mrsas_pthru_frame *kpthru;
5391 struct mrsas_pthru_frame *pthru;
5392 int i;
5393 pthru = &cmd->frame->pthru;
5394 kpthru = (struct mrsas_pthru_frame *)&ioctl->frame[0];
5395
5396 if (instance->adapterresetinprogress) {
5397 con_log(CL_ANN1, (CE_WARN, "issue_mfi_pthru: Reset flag set, "
5398 "returning mfi_pkt and setting TRAN_BUSY\n"));
5399 return (DDI_FAILURE);
5400 }
5401 model = ddi_model_convert_from(mode & FMODELS);
5402 if (model == DDI_MODEL_ILP32) {
5403 con_log(CL_ANN1, (CE_CONT, "issue_mfi_pthru: DDI_MODEL_LP32"));
5404
5405 xferlen = kpthru->sgl.sge32[0].length;
5406
5407 ubuf = (void *)(ulong_t)kpthru->sgl.sge32[0].phys_addr;
5408 } else {
5409 #ifdef _ILP32
5410 con_log(CL_ANN1, (CE_CONT, "issue_mfi_pthru: DDI_MODEL_LP32"));
5411 xferlen = kpthru->sgl.sge32[0].length;
5412 ubuf = (void *)(ulong_t)kpthru->sgl.sge32[0].phys_addr;
5413 #else
5414 con_log(CL_ANN1, (CE_CONT, "issue_mfi_pthru: DDI_MODEL_LP64"));
5415 xferlen = kpthru->sgl.sge64[0].length;
5416 ubuf = (void *)(ulong_t)kpthru->sgl.sge64[0].phys_addr;
5417 #endif
5418 }
5419
5420 if (xferlen) {
5421 /* means IOCTL requires DMA */
5422 /* allocate the data transfer buffer */
5423 /* pthru_dma_obj.size = xferlen; */
5424 MRSAS_GET_BOUNDARY_ALIGNED_LEN(xferlen, new_xfer_length,
5425 PAGESIZE);
5426 pthru_dma_obj.size = new_xfer_length;
5427 pthru_dma_obj.dma_attr = mrsas_generic_dma_attr;
5428 pthru_dma_obj.dma_attr.dma_attr_addr_hi = 0xFFFFFFFFU;
5429 pthru_dma_obj.dma_attr.dma_attr_count_max = 0xFFFFFFFFU;
5430 pthru_dma_obj.dma_attr.dma_attr_sgllen = 1;
5431 pthru_dma_obj.dma_attr.dma_attr_align = 1;
5432
5433 /* allocate kernel buffer for DMA */
5434 if (mrsas_alloc_dma_obj(instance, &pthru_dma_obj,
5435 (uchar_t)DDI_STRUCTURE_LE_ACC) != 1) {
5436 con_log(CL_ANN, (CE_WARN, "issue_mfi_pthru: "
5437 "could not allocate data transfer buffer."));
5438 return (DDI_FAILURE);
5439 }
5440 (void) memset(pthru_dma_obj.buffer, 0, xferlen);
5441
5442 /* If IOCTL requires DMA WRITE, do ddi_copyin IOCTL data copy */
5443 if (kpthru->flags & MFI_FRAME_DIR_WRITE) {
5444 for (i = 0; i < xferlen; i++) {
5445 if (ddi_copyin((uint8_t *)ubuf+i,
5446 (uint8_t *)pthru_dma_obj.buffer+i,
5447 1, mode)) {
5448 con_log(CL_ANN, (CE_WARN,
5449 "issue_mfi_pthru : "
5450 "copy from user space failed"));
5451 return (DDI_FAILURE);
5452 }
5453 }
5454 }
5455
5456 kphys_addr = pthru_dma_obj.dma_cookie[0].dmac_address;
5457 }
5458
5459 ddi_put8(acc_handle, &pthru->cmd, kpthru->cmd);
5460 ddi_put8(acc_handle, &pthru->sense_len, SENSE_LENGTH);
5461 ddi_put8(acc_handle, &pthru->cmd_status, 0);
5462 ddi_put8(acc_handle, &pthru->scsi_status, 0);
5463 ddi_put8(acc_handle, &pthru->target_id, kpthru->target_id);
5464 ddi_put8(acc_handle, &pthru->lun, kpthru->lun);
5465 ddi_put8(acc_handle, &pthru->cdb_len, kpthru->cdb_len);
5466 ddi_put8(acc_handle, &pthru->sge_count, kpthru->sge_count);
5467 ddi_put16(acc_handle, &pthru->timeout, kpthru->timeout);
5468 ddi_put32(acc_handle, &pthru->data_xfer_len, kpthru->data_xfer_len);
5469
5470 ddi_put32(acc_handle, &pthru->sense_buf_phys_addr_hi, 0);
5471 pthru->sense_buf_phys_addr_lo = cmd->sense_phys_addr;
5472 /* ddi_put32(acc_handle, &pthru->sense_buf_phys_addr_lo, 0); */
5473
5474 ddi_rep_put8(acc_handle, (uint8_t *)kpthru->cdb, (uint8_t *)pthru->cdb,
5475 pthru->cdb_len, DDI_DEV_AUTOINCR);
5476
5477 ddi_put16(acc_handle, &pthru->flags, kpthru->flags & ~MFI_FRAME_SGL64);
5478 ddi_put32(acc_handle, &pthru->sgl.sge32[0].length, xferlen);
5479 ddi_put32(acc_handle, &pthru->sgl.sge32[0].phys_addr, kphys_addr);
5480
5481 cmd->sync_cmd = MRSAS_TRUE;
5482 cmd->frame_count = 1;
5483
5484 if (instance->tbolt) {
5485 mr_sas_tbolt_build_mfi_cmd(instance, cmd);
5486 }
5487
5488 if (instance->func_ptr->issue_cmd_in_sync_mode(instance, cmd)) {
5489 con_log(CL_ANN, (CE_WARN,
5490 "issue_mfi_pthru: fw_ioctl failed"));
5491 } else {
5492 if (xferlen && kpthru->flags & MFI_FRAME_DIR_READ) {
5493 for (i = 0; i < xferlen; i++) {
5494 if (ddi_copyout(
5495 (uint8_t *)pthru_dma_obj.buffer+i,
5496 (uint8_t *)ubuf+i, 1, mode)) {
5497 con_log(CL_ANN, (CE_WARN,
5498 "issue_mfi_pthru : "
5499 "copy to user space failed"));
5500 return (DDI_FAILURE);
5501 }
5502 }
5503 }
5504 }
5505
5506 kpthru->cmd_status = ddi_get8(acc_handle, &pthru->cmd_status);
5507 kpthru->scsi_status = ddi_get8(acc_handle, &pthru->scsi_status);
5508
5509 con_log(CL_ANN, (CE_CONT, "issue_mfi_pthru: cmd_status %x, "
5510 "scsi_status %x", kpthru->cmd_status, kpthru->scsi_status));
5511 DTRACE_PROBE3(issue_pthru, uint8_t, kpthru->cmd, uint8_t,
5512 kpthru->cmd_status, uint8_t, kpthru->scsi_status);
5513
5514 if (kpthru->sense_len) {
5515 uint_t sense_len = SENSE_LENGTH;
5516 void *sense_ubuf =
5517 (void *)(ulong_t)kpthru->sense_buf_phys_addr_lo;
5518 if (kpthru->sense_len <= SENSE_LENGTH) {
5519 sense_len = kpthru->sense_len;
5520 }
5521
5522 for (i = 0; i < sense_len; i++) {
5523 if (ddi_copyout(
5524 (uint8_t *)cmd->sense+i,
5525 (uint8_t *)sense_ubuf+i, 1, mode)) {
5526 con_log(CL_ANN, (CE_WARN,
5527 "issue_mfi_pthru : "
5528 "copy to user space failed"));
5529 }
5530 con_log(CL_DLEVEL1, (CE_WARN,
5531 "Copying Sense info sense_buff[%d] = 0x%X",
5532 i, *((uint8_t *)cmd->sense + i)));
5533 }
5534 }
5535 (void) ddi_dma_sync(cmd->frame_dma_obj.dma_handle, 0, 0,
5536 DDI_DMA_SYNC_FORDEV);
5537
5538 if (xferlen) {
5539 /* free kernel buffer */
5540 if (mrsas_free_dma_obj(instance, pthru_dma_obj) != DDI_SUCCESS)
5541 return (DDI_FAILURE);
5542 }
5543
5544 return (DDI_SUCCESS);
5545 }
5546
5547 /*
5548 * issue_mfi_dcmd
5549 */
5550 static int
5551 issue_mfi_dcmd(struct mrsas_instance *instance, struct mrsas_ioctl *ioctl,
5552 struct mrsas_cmd *cmd, int mode)
5553 {
5554 void *ubuf;
5555 uint32_t kphys_addr = 0;
5556 uint32_t xferlen = 0;
5557 uint32_t new_xfer_length = 0;
5558 uint32_t model;
5559 dma_obj_t dcmd_dma_obj;
5560 struct mrsas_dcmd_frame *kdcmd;
5561 struct mrsas_dcmd_frame *dcmd;
5562 ddi_acc_handle_t acc_handle = cmd->frame_dma_obj.acc_handle;
5563 int i;
5564 dcmd = &cmd->frame->dcmd;
5565 kdcmd = (struct mrsas_dcmd_frame *)&ioctl->frame[0];
5566
5567 if (instance->adapterresetinprogress) {
5568 con_log(CL_ANN1, (CE_NOTE, "Reset flag set, "
5569 "returning mfi_pkt and setting TRAN_BUSY"));
5570 return (DDI_FAILURE);
5571 }
5572 model = ddi_model_convert_from(mode & FMODELS);
5573 if (model == DDI_MODEL_ILP32) {
5574 con_log(CL_ANN1, (CE_CONT, "issue_mfi_dcmd: DDI_MODEL_ILP32"));
5575
5576 xferlen = kdcmd->sgl.sge32[0].length;
5577
5578 ubuf = (void *)(ulong_t)kdcmd->sgl.sge32[0].phys_addr;
5579 } else {
5580 #ifdef _ILP32
5581 con_log(CL_ANN1, (CE_CONT, "issue_mfi_dcmd: DDI_MODEL_ILP32"));
5582 xferlen = kdcmd->sgl.sge32[0].length;
5583 ubuf = (void *)(ulong_t)kdcmd->sgl.sge32[0].phys_addr;
5584 #else
5585 con_log(CL_ANN1, (CE_CONT, "issue_mfi_dcmd: DDI_MODEL_LP64"));
5586 xferlen = kdcmd->sgl.sge64[0].length;
5587 ubuf = (void *)(ulong_t)kdcmd->sgl.sge64[0].phys_addr;
5588 #endif
5589 }
5590 if (xferlen) {
5591 /* means IOCTL requires DMA */
5592 /* allocate the data transfer buffer */
5593 /* dcmd_dma_obj.size = xferlen; */
5594 MRSAS_GET_BOUNDARY_ALIGNED_LEN(xferlen, new_xfer_length,
5595 PAGESIZE);
5596 dcmd_dma_obj.size = new_xfer_length;
5597 dcmd_dma_obj.dma_attr = mrsas_generic_dma_attr;
5598 dcmd_dma_obj.dma_attr.dma_attr_addr_hi = 0xFFFFFFFFU;
5599 dcmd_dma_obj.dma_attr.dma_attr_count_max = 0xFFFFFFFFU;
5600 dcmd_dma_obj.dma_attr.dma_attr_sgllen = 1;
5601 dcmd_dma_obj.dma_attr.dma_attr_align = 1;
5602
5603 /* allocate kernel buffer for DMA */
5604 if (mrsas_alloc_dma_obj(instance, &dcmd_dma_obj,
5605 (uchar_t)DDI_STRUCTURE_LE_ACC) != 1) {
5606 con_log(CL_ANN,
5607 (CE_WARN, "issue_mfi_dcmd: could not "
5608 "allocate data transfer buffer."));
5609 return (DDI_FAILURE);
5610 }
5611 (void) memset(dcmd_dma_obj.buffer, 0, xferlen);
5612
5613 /* If IOCTL requires DMA WRITE, do ddi_copyin IOCTL data copy */
5614 if (kdcmd->flags & MFI_FRAME_DIR_WRITE) {
5615 for (i = 0; i < xferlen; i++) {
5616 if (ddi_copyin((uint8_t *)ubuf + i,
5617 (uint8_t *)dcmd_dma_obj.buffer + i,
5618 1, mode)) {
5619 con_log(CL_ANN, (CE_WARN,
5620 "issue_mfi_dcmd : "
5621 "copy from user space failed"));
5622 return (DDI_FAILURE);
5623 }
5624 }
5625 }
5626
5627 kphys_addr = dcmd_dma_obj.dma_cookie[0].dmac_address;
5628 }
5629
5630 ddi_put8(acc_handle, &dcmd->cmd, kdcmd->cmd);
5631 ddi_put8(acc_handle, &dcmd->cmd_status, 0);
5632 ddi_put8(acc_handle, &dcmd->sge_count, kdcmd->sge_count);
5633 ddi_put16(acc_handle, &dcmd->timeout, kdcmd->timeout);
5634 ddi_put32(acc_handle, &dcmd->data_xfer_len, kdcmd->data_xfer_len);
5635 ddi_put32(acc_handle, &dcmd->opcode, kdcmd->opcode);
5636
5637 ddi_rep_put8(acc_handle, (uint8_t *)kdcmd->mbox.b,
5638 (uint8_t *)dcmd->mbox.b, DCMD_MBOX_SZ, DDI_DEV_AUTOINCR);
5639
5640 ddi_put16(acc_handle, &dcmd->flags, kdcmd->flags & ~MFI_FRAME_SGL64);
5641 ddi_put32(acc_handle, &dcmd->sgl.sge32[0].length, xferlen);
5642 ddi_put32(acc_handle, &dcmd->sgl.sge32[0].phys_addr, kphys_addr);
5643
5644 cmd->sync_cmd = MRSAS_TRUE;
5645 cmd->frame_count = 1;
5646
5647 if (instance->tbolt) {
5648 mr_sas_tbolt_build_mfi_cmd(instance, cmd);
5649 }
5650
5651 if (instance->func_ptr->issue_cmd_in_sync_mode(instance, cmd)) {
5652 con_log(CL_ANN, (CE_WARN, "issue_mfi_dcmd: fw_ioctl failed"));
5653 } else {
5654 if (xferlen && (kdcmd->flags & MFI_FRAME_DIR_READ)) {
5655 for (i = 0; i < xferlen; i++) {
5656 if (ddi_copyout(
5657 (uint8_t *)dcmd_dma_obj.buffer + i,
5658 (uint8_t *)ubuf + i,
5659 1, mode)) {
5660 con_log(CL_ANN, (CE_WARN,
5661 "issue_mfi_dcmd : "
5662 "copy to user space failed"));
5663 return (DDI_FAILURE);
5664 }
5665 }
5666 }
5667 }
5668
5669 kdcmd->cmd_status = ddi_get8(acc_handle, &dcmd->cmd_status);
5670 con_log(CL_ANN,
5671 (CE_CONT, "issue_mfi_dcmd: cmd_status %x", kdcmd->cmd_status));
5672 DTRACE_PROBE3(issue_dcmd, uint32_t, kdcmd->opcode, uint8_t,
5673 kdcmd->cmd, uint8_t, kdcmd->cmd_status);
5674
5675 if (xferlen) {
5676 /* free kernel buffer */
5677 if (mrsas_free_dma_obj(instance, dcmd_dma_obj) != DDI_SUCCESS)
5678 return (DDI_FAILURE);
5679 }
5680
5681 return (DDI_SUCCESS);
5682 }
5683
5684 /*
5685 * issue_mfi_smp
5686 */
5687 static int
5688 issue_mfi_smp(struct mrsas_instance *instance, struct mrsas_ioctl *ioctl,
5689 struct mrsas_cmd *cmd, int mode)
5690 {
5691 void *request_ubuf;
5692 void *response_ubuf;
5693 uint32_t request_xferlen = 0;
5694 uint32_t response_xferlen = 0;
5695 uint32_t new_xfer_length1 = 0;
5696 uint32_t new_xfer_length2 = 0;
5697 uint_t model;
5698 dma_obj_t request_dma_obj;
5699 dma_obj_t response_dma_obj;
5700 ddi_acc_handle_t acc_handle = cmd->frame_dma_obj.acc_handle;
5701 struct mrsas_smp_frame *ksmp;
5702 struct mrsas_smp_frame *smp;
5703 struct mrsas_sge32 *sge32;
5704 #ifndef _ILP32
5705 struct mrsas_sge64 *sge64;
5706 #endif
5707 int i;
5708 uint64_t tmp_sas_addr;
5709
5710 smp = &cmd->frame->smp;
5711 ksmp = (struct mrsas_smp_frame *)&ioctl->frame[0];
5712
5713 if (instance->adapterresetinprogress) {
5714 con_log(CL_ANN1, (CE_WARN, "Reset flag set, "
5715 "returning mfi_pkt and setting TRAN_BUSY\n"));
5716 return (DDI_FAILURE);
5717 }
5718 model = ddi_model_convert_from(mode & FMODELS);
5719 if (model == DDI_MODEL_ILP32) {
5720 con_log(CL_ANN1, (CE_CONT, "issue_mfi_smp: DDI_MODEL_ILP32"));
5721
5722 sge32 = &ksmp->sgl[0].sge32[0];
5723 response_xferlen = sge32[0].length;
5724 request_xferlen = sge32[1].length;
5725 con_log(CL_ANN, (CE_CONT, "issue_mfi_smp: "
5726 "response_xferlen = %x, request_xferlen = %x",
5727 response_xferlen, request_xferlen));
5728
5729 response_ubuf = (void *)(ulong_t)sge32[0].phys_addr;
5730 request_ubuf = (void *)(ulong_t)sge32[1].phys_addr;
5731 con_log(CL_ANN1, (CE_CONT, "issue_mfi_smp: "
5732 "response_ubuf = %p, request_ubuf = %p",
5733 response_ubuf, request_ubuf));
5734 } else {
5735 #ifdef _ILP32
5736 con_log(CL_ANN1, (CE_CONT, "issue_mfi_smp: DDI_MODEL_ILP32"));
5737
5738 sge32 = &ksmp->sgl[0].sge32[0];
5739 response_xferlen = sge32[0].length;
5740 request_xferlen = sge32[1].length;
5741 con_log(CL_ANN, (CE_CONT, "issue_mfi_smp: "
5742 "response_xferlen = %x, request_xferlen = %x",
5743 response_xferlen, request_xferlen));
5744
5745 response_ubuf = (void *)(ulong_t)sge32[0].phys_addr;
5746 request_ubuf = (void *)(ulong_t)sge32[1].phys_addr;
5747 con_log(CL_ANN1, (CE_CONT, "issue_mfi_smp: "
5748 "response_ubuf = %p, request_ubuf = %p",
5749 response_ubuf, request_ubuf));
5750 #else
5751 con_log(CL_ANN1, (CE_CONT, "issue_mfi_smp: DDI_MODEL_LP64"));
5752
5753 sge64 = &ksmp->sgl[0].sge64[0];
5754 response_xferlen = sge64[0].length;
5755 request_xferlen = sge64[1].length;
5756
5757 response_ubuf = (void *)(ulong_t)sge64[0].phys_addr;
5758 request_ubuf = (void *)(ulong_t)sge64[1].phys_addr;
5759 #endif
5760 }
5761 if (request_xferlen) {
5762 /* means IOCTL requires DMA */
5763 /* allocate the data transfer buffer */
5764 /* request_dma_obj.size = request_xferlen; */
5765 MRSAS_GET_BOUNDARY_ALIGNED_LEN(request_xferlen,
5766 new_xfer_length1, PAGESIZE);
5767 request_dma_obj.size = new_xfer_length1;
5768 request_dma_obj.dma_attr = mrsas_generic_dma_attr;
5769 request_dma_obj.dma_attr.dma_attr_addr_hi = 0xFFFFFFFFU;
5770 request_dma_obj.dma_attr.dma_attr_count_max = 0xFFFFFFFFU;
5771 request_dma_obj.dma_attr.dma_attr_sgllen = 1;
5772 request_dma_obj.dma_attr.dma_attr_align = 1;
5773
5774 /* allocate kernel buffer for DMA */
5775 if (mrsas_alloc_dma_obj(instance, &request_dma_obj,
5776 (uchar_t)DDI_STRUCTURE_LE_ACC) != 1) {
5777 con_log(CL_ANN, (CE_WARN, "issue_mfi_smp: "
5778 "could not allocate data transfer buffer."));
5779 return (DDI_FAILURE);
5780 }
5781 (void) memset(request_dma_obj.buffer, 0, request_xferlen);
5782
5783 /* If IOCTL requires DMA WRITE, do ddi_copyin IOCTL data copy */
5784 for (i = 0; i < request_xferlen; i++) {
5785 if (ddi_copyin((uint8_t *)request_ubuf + i,
5786 (uint8_t *)request_dma_obj.buffer + i,
5787 1, mode)) {
5788 con_log(CL_ANN, (CE_WARN, "issue_mfi_smp: "
5789 "copy from user space failed"));
5790 return (DDI_FAILURE);
5791 }
5792 }
5793 }
5794
5795 if (response_xferlen) {
5796 /* means IOCTL requires DMA */
5797 /* allocate the data transfer buffer */
5798 /* response_dma_obj.size = response_xferlen; */
5799 MRSAS_GET_BOUNDARY_ALIGNED_LEN(response_xferlen,
5800 new_xfer_length2, PAGESIZE);
5801 response_dma_obj.size = new_xfer_length2;
5802 response_dma_obj.dma_attr = mrsas_generic_dma_attr;
5803 response_dma_obj.dma_attr.dma_attr_addr_hi = 0xFFFFFFFFU;
5804 response_dma_obj.dma_attr.dma_attr_count_max = 0xFFFFFFFFU;
5805 response_dma_obj.dma_attr.dma_attr_sgllen = 1;
5806 response_dma_obj.dma_attr.dma_attr_align = 1;
5807
5808 /* allocate kernel buffer for DMA */
5809 if (mrsas_alloc_dma_obj(instance, &response_dma_obj,
5810 (uchar_t)DDI_STRUCTURE_LE_ACC) != 1) {
5811 con_log(CL_ANN, (CE_WARN, "issue_mfi_smp: "
5812 "could not allocate data transfer buffer."));
5813 return (DDI_FAILURE);
5814 }
5815 (void) memset(response_dma_obj.buffer, 0, response_xferlen);
5816
5817 /* If IOCTL requires DMA WRITE, do ddi_copyin IOCTL data copy */
5818 for (i = 0; i < response_xferlen; i++) {
5819 if (ddi_copyin((uint8_t *)response_ubuf + i,
5820 (uint8_t *)response_dma_obj.buffer + i,
5821 1, mode)) {
5822 con_log(CL_ANN, (CE_WARN, "issue_mfi_smp: "
5823 "copy from user space failed"));
5824 return (DDI_FAILURE);
5825 }
5826 }
5827 }
5828
5829 ddi_put8(acc_handle, &smp->cmd, ksmp->cmd);
5830 ddi_put8(acc_handle, &smp->cmd_status, 0);
5831 ddi_put8(acc_handle, &smp->connection_status, 0);
5832 ddi_put8(acc_handle, &smp->sge_count, ksmp->sge_count);
5833 /* smp->context = ksmp->context; */
5834 ddi_put16(acc_handle, &smp->timeout, ksmp->timeout);
5835 ddi_put32(acc_handle, &smp->data_xfer_len, ksmp->data_xfer_len);
5836
5837 bcopy((void *)&ksmp->sas_addr, (void *)&tmp_sas_addr,
5838 sizeof (uint64_t));
5839 ddi_put64(acc_handle, &smp->sas_addr, tmp_sas_addr);
5840
5841 ddi_put16(acc_handle, &smp->flags, ksmp->flags & ~MFI_FRAME_SGL64);
5842
5843 model = ddi_model_convert_from(mode & FMODELS);
5844 if (model == DDI_MODEL_ILP32) {
5845 con_log(CL_ANN1, (CE_CONT,
5846 "issue_mfi_smp: DDI_MODEL_ILP32"));
5847
5848 sge32 = &smp->sgl[0].sge32[0];
5849 ddi_put32(acc_handle, &sge32[0].length, response_xferlen);
5850 ddi_put32(acc_handle, &sge32[0].phys_addr,
5851 response_dma_obj.dma_cookie[0].dmac_address);
5852 ddi_put32(acc_handle, &sge32[1].length, request_xferlen);
5853 ddi_put32(acc_handle, &sge32[1].phys_addr,
5854 request_dma_obj.dma_cookie[0].dmac_address);
5855 } else {
5856 #ifdef _ILP32
5857 con_log(CL_ANN1, (CE_CONT,
5858 "issue_mfi_smp: DDI_MODEL_ILP32"));
5859 sge32 = &smp->sgl[0].sge32[0];
5860 ddi_put32(acc_handle, &sge32[0].length, response_xferlen);
5861 ddi_put32(acc_handle, &sge32[0].phys_addr,
5862 response_dma_obj.dma_cookie[0].dmac_address);
5863 ddi_put32(acc_handle, &sge32[1].length, request_xferlen);
5864 ddi_put32(acc_handle, &sge32[1].phys_addr,
5865 request_dma_obj.dma_cookie[0].dmac_address);
5866 #else
5867 con_log(CL_ANN1, (CE_CONT,
5868 "issue_mfi_smp: DDI_MODEL_LP64"));
5869 sge64 = &smp->sgl[0].sge64[0];
5870 ddi_put32(acc_handle, &sge64[0].length, response_xferlen);
5871 ddi_put64(acc_handle, &sge64[0].phys_addr,
5872 response_dma_obj.dma_cookie[0].dmac_address);
5873 ddi_put32(acc_handle, &sge64[1].length, request_xferlen);
5874 ddi_put64(acc_handle, &sge64[1].phys_addr,
5875 request_dma_obj.dma_cookie[0].dmac_address);
5876 #endif
5877 }
5878 con_log(CL_ANN1, (CE_CONT, "issue_mfi_smp : "
5879 "smp->response_xferlen = %d, smp->request_xferlen = %d "
5880 "smp->data_xfer_len = %d", ddi_get32(acc_handle, &sge32[0].length),
5881 ddi_get32(acc_handle, &sge32[1].length),
5882 ddi_get32(acc_handle, &smp->data_xfer_len)));
5883
5884 cmd->sync_cmd = MRSAS_TRUE;
5885 cmd->frame_count = 1;
5886
5887 if (instance->tbolt) {
5888 mr_sas_tbolt_build_mfi_cmd(instance, cmd);
5889 }
5890
5891 if (instance->func_ptr->issue_cmd_in_sync_mode(instance, cmd)) {
5892 con_log(CL_ANN, (CE_WARN,
5893 "issue_mfi_smp: fw_ioctl failed"));
5894 } else {
5895 con_log(CL_ANN1, (CE_CONT,
5896 "issue_mfi_smp: copy to user space"));
5897
5898 if (request_xferlen) {
5899 for (i = 0; i < request_xferlen; i++) {
5900 if (ddi_copyout(
5901 (uint8_t *)request_dma_obj.buffer +
5902 i, (uint8_t *)request_ubuf + i,
5903 1, mode)) {
5904 con_log(CL_ANN, (CE_WARN,
5905 "issue_mfi_smp : copy to user space"
5906 " failed"));
5907 return (DDI_FAILURE);
5908 }
5909 }
5910 }
5911
5912 if (response_xferlen) {
5913 for (i = 0; i < response_xferlen; i++) {
5914 if (ddi_copyout(
5915 (uint8_t *)response_dma_obj.buffer
5916 + i, (uint8_t *)response_ubuf
5917 + i, 1, mode)) {
5918 con_log(CL_ANN, (CE_WARN,
5919 "issue_mfi_smp : copy to "
5920 "user space failed"));
5921 return (DDI_FAILURE);
5922 }
5923 }
5924 }
5925 }
5926
5927 ksmp->cmd_status = ddi_get8(acc_handle, &smp->cmd_status);
5928 con_log(CL_ANN1, (CE_NOTE, "issue_mfi_smp: smp->cmd_status = %d",
5929 ksmp->cmd_status));
5930 DTRACE_PROBE2(issue_smp, uint8_t, ksmp->cmd, uint8_t, ksmp->cmd_status);
5931
5932 if (request_xferlen) {
5933 /* free kernel buffer */
5934 if (mrsas_free_dma_obj(instance, request_dma_obj) !=
5935 DDI_SUCCESS)
5936 return (DDI_FAILURE);
5937 }
5938
5939 if (response_xferlen) {
5940 /* free kernel buffer */
5941 if (mrsas_free_dma_obj(instance, response_dma_obj) !=
5942 DDI_SUCCESS)
5943 return (DDI_FAILURE);
5944 }
5945
5946 return (DDI_SUCCESS);
5947 }
5948
5949 /*
5950 * issue_mfi_stp
5951 */
5952 static int
5953 issue_mfi_stp(struct mrsas_instance *instance, struct mrsas_ioctl *ioctl,
5954 struct mrsas_cmd *cmd, int mode)
5955 {
5956 void *fis_ubuf;
5957 void *data_ubuf;
5958 uint32_t fis_xferlen = 0;
5959 uint32_t new_xfer_length1 = 0;
5960 uint32_t new_xfer_length2 = 0;
5961 uint32_t data_xferlen = 0;
5962 uint_t model;
5963 dma_obj_t fis_dma_obj;
5964 dma_obj_t data_dma_obj;
5965 struct mrsas_stp_frame *kstp;
5966 struct mrsas_stp_frame *stp;
5967 ddi_acc_handle_t acc_handle = cmd->frame_dma_obj.acc_handle;
5968 int i;
5969
5970 stp = &cmd->frame->stp;
5971 kstp = (struct mrsas_stp_frame *)&ioctl->frame[0];
5972
5973 if (instance->adapterresetinprogress) {
5974 con_log(CL_ANN1, (CE_WARN, "Reset flag set, "
5975 "returning mfi_pkt and setting TRAN_BUSY\n"));
5976 return (DDI_FAILURE);
5977 }
5978 model = ddi_model_convert_from(mode & FMODELS);
5979 if (model == DDI_MODEL_ILP32) {
5980 con_log(CL_ANN1, (CE_CONT, "issue_mfi_stp: DDI_MODEL_ILP32"));
5981
5982 fis_xferlen = kstp->sgl.sge32[0].length;
5983 data_xferlen = kstp->sgl.sge32[1].length;
5984
5985 fis_ubuf = (void *)(ulong_t)kstp->sgl.sge32[0].phys_addr;
5986 data_ubuf = (void *)(ulong_t)kstp->sgl.sge32[1].phys_addr;
5987 } else {
5988 #ifdef _ILP32
5989 con_log(CL_ANN1, (CE_CONT, "issue_mfi_stp: DDI_MODEL_ILP32"));
5990
5991 fis_xferlen = kstp->sgl.sge32[0].length;
5992 data_xferlen = kstp->sgl.sge32[1].length;
5993
5994 fis_ubuf = (void *)(ulong_t)kstp->sgl.sge32[0].phys_addr;
5995 data_ubuf = (void *)(ulong_t)kstp->sgl.sge32[1].phys_addr;
5996 #else
5997 con_log(CL_ANN1, (CE_CONT, "issue_mfi_stp: DDI_MODEL_LP64"));
5998
5999 fis_xferlen = kstp->sgl.sge64[0].length;
6000 data_xferlen = kstp->sgl.sge64[1].length;
6001
6002 fis_ubuf = (void *)(ulong_t)kstp->sgl.sge64[0].phys_addr;
6003 data_ubuf = (void *)(ulong_t)kstp->sgl.sge64[1].phys_addr;
6004 #endif
6005 }
6006
6007
6008 if (fis_xferlen) {
6009 con_log(CL_ANN, (CE_CONT, "issue_mfi_stp: "
6010 "fis_ubuf = %p fis_xferlen = %x", fis_ubuf, fis_xferlen));
6011
6012 /* means IOCTL requires DMA */
6013 /* allocate the data transfer buffer */
6014 /* fis_dma_obj.size = fis_xferlen; */
6015 MRSAS_GET_BOUNDARY_ALIGNED_LEN(fis_xferlen,
6016 new_xfer_length1, PAGESIZE);
6017 fis_dma_obj.size = new_xfer_length1;
6018 fis_dma_obj.dma_attr = mrsas_generic_dma_attr;
6019 fis_dma_obj.dma_attr.dma_attr_addr_hi = 0xFFFFFFFFU;
6020 fis_dma_obj.dma_attr.dma_attr_count_max = 0xFFFFFFFFU;
6021 fis_dma_obj.dma_attr.dma_attr_sgllen = 1;
6022 fis_dma_obj.dma_attr.dma_attr_align = 1;
6023
6024 /* allocate kernel buffer for DMA */
6025 if (mrsas_alloc_dma_obj(instance, &fis_dma_obj,
6026 (uchar_t)DDI_STRUCTURE_LE_ACC) != 1) {
6027 con_log(CL_ANN, (CE_WARN, "issue_mfi_stp : "
6028 "could not allocate data transfer buffer."));
6029 return (DDI_FAILURE);
6030 }
6031 (void) memset(fis_dma_obj.buffer, 0, fis_xferlen);
6032
6033 /* If IOCTL requires DMA WRITE, do ddi_copyin IOCTL data copy */
6034 for (i = 0; i < fis_xferlen; i++) {
6035 if (ddi_copyin((uint8_t *)fis_ubuf + i,
6036 (uint8_t *)fis_dma_obj.buffer + i, 1, mode)) {
6037 con_log(CL_ANN, (CE_WARN, "issue_mfi_stp: "
6038 "copy from user space failed"));
6039 return (DDI_FAILURE);
6040 }
6041 }
6042 }
6043
6044 if (data_xferlen) {
6045 con_log(CL_ANN, (CE_CONT, "issue_mfi_stp: data_ubuf = %p "
6046 "data_xferlen = %x", data_ubuf, data_xferlen));
6047
6048 /* means IOCTL requires DMA */
6049 /* allocate the data transfer buffer */
6050 /* data_dma_obj.size = data_xferlen; */
6051 MRSAS_GET_BOUNDARY_ALIGNED_LEN(data_xferlen, new_xfer_length2,
6052 PAGESIZE);
6053 data_dma_obj.size = new_xfer_length2;
6054 data_dma_obj.dma_attr = mrsas_generic_dma_attr;
6055 data_dma_obj.dma_attr.dma_attr_addr_hi = 0xFFFFFFFFU;
6056 data_dma_obj.dma_attr.dma_attr_count_max = 0xFFFFFFFFU;
6057 data_dma_obj.dma_attr.dma_attr_sgllen = 1;
6058 data_dma_obj.dma_attr.dma_attr_align = 1;
6059
6060 /* allocate kernel buffer for DMA */
6061 if (mrsas_alloc_dma_obj(instance, &data_dma_obj,
6062 (uchar_t)DDI_STRUCTURE_LE_ACC) != 1) {
6063 con_log(CL_ANN, (CE_WARN, "issue_mfi_stp: "
6064 "could not allocate data transfer buffer."));
6065 return (DDI_FAILURE);
6066 }
6067 (void) memset(data_dma_obj.buffer, 0, data_xferlen);
6068
6069 /* If IOCTL requires DMA WRITE, do ddi_copyin IOCTL data copy */
6070 for (i = 0; i < data_xferlen; i++) {
6071 if (ddi_copyin((uint8_t *)data_ubuf + i,
6072 (uint8_t *)data_dma_obj.buffer + i, 1, mode)) {
6073 con_log(CL_ANN, (CE_WARN, "issue_mfi_stp: "
6074 "copy from user space failed"));
6075 return (DDI_FAILURE);
6076 }
6077 }
6078 }
6079
6080 ddi_put8(acc_handle, &stp->cmd, kstp->cmd);
6081 ddi_put8(acc_handle, &stp->cmd_status, 0);
6082 ddi_put8(acc_handle, &stp->connection_status, 0);
6083 ddi_put8(acc_handle, &stp->target_id, kstp->target_id);
6084 ddi_put8(acc_handle, &stp->sge_count, kstp->sge_count);
6085
6086 ddi_put16(acc_handle, &stp->timeout, kstp->timeout);
6087 ddi_put32(acc_handle, &stp->data_xfer_len, kstp->data_xfer_len);
6088
6089 ddi_rep_put8(acc_handle, (uint8_t *)kstp->fis, (uint8_t *)stp->fis, 10,
6090 DDI_DEV_AUTOINCR);
6091
6092 ddi_put16(acc_handle, &stp->flags, kstp->flags & ~MFI_FRAME_SGL64);
6093 ddi_put32(acc_handle, &stp->stp_flags, kstp->stp_flags);
6094 ddi_put32(acc_handle, &stp->sgl.sge32[0].length, fis_xferlen);
6095 ddi_put32(acc_handle, &stp->sgl.sge32[0].phys_addr,
6096 fis_dma_obj.dma_cookie[0].dmac_address);
6097 ddi_put32(acc_handle, &stp->sgl.sge32[1].length, data_xferlen);
6098 ddi_put32(acc_handle, &stp->sgl.sge32[1].phys_addr,
6099 data_dma_obj.dma_cookie[0].dmac_address);
6100
6101 cmd->sync_cmd = MRSAS_TRUE;
6102 cmd->frame_count = 1;
6103
6104 if (instance->tbolt) {
6105 mr_sas_tbolt_build_mfi_cmd(instance, cmd);
6106 }
6107
6108 if (instance->func_ptr->issue_cmd_in_sync_mode(instance, cmd)) {
6109 con_log(CL_ANN, (CE_WARN, "issue_mfi_stp: fw_ioctl failed"));
6110 } else {
6111
6112 if (fis_xferlen) {
6113 for (i = 0; i < fis_xferlen; i++) {
6114 if (ddi_copyout(
6115 (uint8_t *)fis_dma_obj.buffer + i,
6116 (uint8_t *)fis_ubuf + i, 1, mode)) {
6117 con_log(CL_ANN, (CE_WARN,
6118 "issue_mfi_stp : copy to "
6119 "user space failed"));
6120 return (DDI_FAILURE);
6121 }
6122 }
6123 }
6124 }
6125 if (data_xferlen) {
6126 for (i = 0; i < data_xferlen; i++) {
6127 if (ddi_copyout(
6128 (uint8_t *)data_dma_obj.buffer + i,
6129 (uint8_t *)data_ubuf + i, 1, mode)) {
6130 con_log(CL_ANN, (CE_WARN,
6131 "issue_mfi_stp : copy to"
6132 " user space failed"));
6133 return (DDI_FAILURE);
6134 }
6135 }
6136 }
6137
6138 kstp->cmd_status = ddi_get8(acc_handle, &stp->cmd_status);
6139 con_log(CL_ANN1, (CE_NOTE, "issue_mfi_stp: stp->cmd_status = %d",
6140 kstp->cmd_status));
6141 DTRACE_PROBE2(issue_stp, uint8_t, kstp->cmd, uint8_t, kstp->cmd_status);
6142
6143 if (fis_xferlen) {
6144 /* free kernel buffer */
6145 if (mrsas_free_dma_obj(instance, fis_dma_obj) != DDI_SUCCESS)
6146 return (DDI_FAILURE);
6147 }
6148
6149 if (data_xferlen) {
6150 /* free kernel buffer */
6151 if (mrsas_free_dma_obj(instance, data_dma_obj) != DDI_SUCCESS)
6152 return (DDI_FAILURE);
6153 }
6154
6155 return (DDI_SUCCESS);
6156 }
6157
6158 /*
6159 * fill_up_drv_ver
6160 */
6161 void
6162 fill_up_drv_ver(struct mrsas_drv_ver *dv)
6163 {
6164 (void) memset(dv, 0, sizeof (struct mrsas_drv_ver));
6165
6166 (void) memcpy(dv->signature, "$LSI LOGIC$", strlen("$LSI LOGIC$"));
6167 (void) memcpy(dv->os_name, "Solaris", strlen("Solaris"));
6168 (void) memcpy(dv->drv_name, "mr_sas", strlen("mr_sas"));
6169 (void) memcpy(dv->drv_ver, MRSAS_VERSION, strlen(MRSAS_VERSION));
6170 (void) memcpy(dv->drv_rel_date, MRSAS_RELDATE,
6171 strlen(MRSAS_RELDATE));
6172
6173 }
6174
6175 /*
6176 * handle_drv_ioctl
6177 */
6178 static int
6179 handle_drv_ioctl(struct mrsas_instance *instance, struct mrsas_ioctl *ioctl,
6180 int mode)
6181 {
6182 int i;
6183 int rval = DDI_SUCCESS;
6184 int *props = NULL;
6185 void *ubuf;
6186
6187 uint8_t *pci_conf_buf;
6188 uint32_t xferlen;
6189 uint32_t num_props;
6190 uint_t model;
6191 struct mrsas_dcmd_frame *kdcmd;
6192 struct mrsas_drv_ver dv;
6193 struct mrsas_pci_information pi;
6194
6195 kdcmd = (struct mrsas_dcmd_frame *)&ioctl->frame[0];
6196
6197 model = ddi_model_convert_from(mode & FMODELS);
6198 if (model == DDI_MODEL_ILP32) {
6199 con_log(CL_ANN1, (CE_CONT,
6200 "handle_drv_ioctl: DDI_MODEL_ILP32"));
6201
6202 xferlen = kdcmd->sgl.sge32[0].length;
6203
6204 ubuf = (void *)(ulong_t)kdcmd->sgl.sge32[0].phys_addr;
6205 } else {
6206 #ifdef _ILP32
6207 con_log(CL_ANN1, (CE_CONT,
6208 "handle_drv_ioctl: DDI_MODEL_ILP32"));
6209 xferlen = kdcmd->sgl.sge32[0].length;
6210 ubuf = (void *)(ulong_t)kdcmd->sgl.sge32[0].phys_addr;
6211 #else
6212 con_log(CL_ANN1, (CE_CONT,
6213 "handle_drv_ioctl: DDI_MODEL_LP64"));
6214 xferlen = kdcmd->sgl.sge64[0].length;
6215 ubuf = (void *)(ulong_t)kdcmd->sgl.sge64[0].phys_addr;
6216 #endif
6217 }
6218 con_log(CL_ANN1, (CE_CONT, "handle_drv_ioctl: "
6219 "dataBuf=%p size=%d bytes", ubuf, xferlen));
6220
6221 switch (kdcmd->opcode) {
6222 case MRSAS_DRIVER_IOCTL_DRIVER_VERSION:
6223 con_log(CL_ANN1, (CE_CONT, "handle_drv_ioctl: "
6224 "MRSAS_DRIVER_IOCTL_DRIVER_VERSION"));
6225
6226 fill_up_drv_ver(&dv);
6227
6228 if (ddi_copyout(&dv, ubuf, xferlen, mode)) {
6229 con_log(CL_ANN, (CE_WARN, "handle_drv_ioctl: "
6230 "MRSAS_DRIVER_IOCTL_DRIVER_VERSION : "
6231 "copy to user space failed"));
6232 kdcmd->cmd_status = 1;
6233 rval = 1;
6234 } else {
6235 kdcmd->cmd_status = 0;
6236 }
6237 break;
6238 case MRSAS_DRIVER_IOCTL_PCI_INFORMATION:
6239 con_log(CL_ANN1, (CE_NOTE, "handle_drv_ioctl: "
6240 "MRSAS_DRIVER_IOCTL_PCI_INFORMAITON"));
6241
6242 if (ddi_prop_lookup_int_array(DDI_DEV_T_ANY, instance->dip,
6243 0, "reg", &props, &num_props)) {
6244 con_log(CL_ANN, (CE_WARN, "handle_drv_ioctl: "
6245 "MRSAS_DRIVER_IOCTL_PCI_INFORMATION : "
6246 "ddi_prop_look_int_array failed"));
6247 rval = DDI_FAILURE;
6248 } else {
6249
6250 pi.busNumber = (props[0] >> 16) & 0xFF;
6251 pi.deviceNumber = (props[0] >> 11) & 0x1f;
6252 pi.functionNumber = (props[0] >> 8) & 0x7;
6253 ddi_prop_free((void *)props);
6254 }
6255
6256 pci_conf_buf = (uint8_t *)&pi.pciHeaderInfo;
6257
6258 for (i = 0; i < (sizeof (struct mrsas_pci_information) -
6259 offsetof(struct mrsas_pci_information, pciHeaderInfo));
6260 i++) {
6261 pci_conf_buf[i] =
6262 pci_config_get8(instance->pci_handle, i);
6263 }
6264
6265 if (ddi_copyout(&pi, ubuf, xferlen, mode)) {
6266 con_log(CL_ANN, (CE_WARN, "handle_drv_ioctl: "
6267 "MRSAS_DRIVER_IOCTL_PCI_INFORMATION : "
6268 "copy to user space failed"));
6269 kdcmd->cmd_status = 1;
6270 rval = 1;
6271 } else {
6272 kdcmd->cmd_status = 0;
6273 }
6274 break;
6275 default:
6276 con_log(CL_ANN, (CE_WARN, "handle_drv_ioctl: "
6277 "invalid driver specific IOCTL opcode = 0x%x",
6278 kdcmd->opcode));
6279 kdcmd->cmd_status = 1;
6280 rval = DDI_FAILURE;
6281 break;
6282 }
6283
6284 return (rval);
6285 }
6286
6287 /*
6288 * handle_mfi_ioctl
6289 */
6290 static int
6291 handle_mfi_ioctl(struct mrsas_instance *instance, struct mrsas_ioctl *ioctl,
6292 int mode)
6293 {
6294 int rval = DDI_SUCCESS;
6295
6296 struct mrsas_header *hdr;
6297 struct mrsas_cmd *cmd;
6298
6299 if (instance->tbolt) {
6300 cmd = get_raid_msg_mfi_pkt(instance);
6301 } else {
6302 cmd = mrsas_get_mfi_pkt(instance);
6303 }
6304 if (!cmd) {
6305 con_log(CL_ANN, (CE_WARN, "mr_sas: "
6306 "failed to get a cmd packet"));
6307 DTRACE_PROBE2(mfi_ioctl_err, uint16_t,
6308 instance->fw_outstanding, uint16_t, instance->max_fw_cmds);
6309 return (DDI_FAILURE);
6310 }
6311
6312 /* Clear the frame buffer and assign back the context id */
6313 (void) memset((char *)&cmd->frame[0], 0, sizeof (union mrsas_frame));
6314 ddi_put32(cmd->frame_dma_obj.acc_handle, &cmd->frame->hdr.context,
6315 cmd->index);
6316
6317 hdr = (struct mrsas_header *)&ioctl->frame[0];
6318
6319 switch (ddi_get8(cmd->frame_dma_obj.acc_handle, &hdr->cmd)) {
6320 case MFI_CMD_OP_DCMD:
6321 rval = issue_mfi_dcmd(instance, ioctl, cmd, mode);
6322 break;
6323 case MFI_CMD_OP_SMP:
6324 rval = issue_mfi_smp(instance, ioctl, cmd, mode);
6325 break;
6326 case MFI_CMD_OP_STP:
6327 rval = issue_mfi_stp(instance, ioctl, cmd, mode);
6328 break;
6329 case MFI_CMD_OP_LD_SCSI:
6330 case MFI_CMD_OP_PD_SCSI:
6331 rval = issue_mfi_pthru(instance, ioctl, cmd, mode);
6332 break;
6333 default:
6334 con_log(CL_ANN, (CE_WARN, "handle_mfi_ioctl: "
6335 "invalid mfi ioctl hdr->cmd = %d", hdr->cmd));
6336 rval = DDI_FAILURE;
6337 break;
6338 }
6339
6340 if (mrsas_common_check(instance, cmd) != DDI_SUCCESS)
6341 rval = DDI_FAILURE;
6342
6343 if (instance->tbolt) {
6344 return_raid_msg_mfi_pkt(instance, cmd);
6345 } else {
6346 mrsas_return_mfi_pkt(instance, cmd);
6347 }
6348
6349 return (rval);
6350 }
6351
6352 /*
6353 * AEN
6354 */
6355 static int
6356 handle_mfi_aen(struct mrsas_instance *instance, struct mrsas_aen *aen)
6357 {
6358 int rval = 0;
6359
6360 rval = register_mfi_aen(instance, instance->aen_seq_num,
6361 aen->class_locale_word);
6362
6363 aen->cmd_status = (uint8_t)rval;
6364
6365 return (rval);
6366 }
6367
6368 static int
6369 register_mfi_aen(struct mrsas_instance *instance, uint32_t seq_num,
6370 uint32_t class_locale_word)
6371 {
6372 int ret_val;
6373
6374 struct mrsas_cmd *cmd, *aen_cmd;
6375 struct mrsas_dcmd_frame *dcmd;
6376 union mrsas_evt_class_locale curr_aen;
6377 union mrsas_evt_class_locale prev_aen;
6378
6379 con_log(CL_ANN, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
6380 /*
6381 * If there an AEN pending already (aen_cmd), check if the
6382 * class_locale of that pending AEN is inclusive of the new
6383 * AEN request we currently have. If it is, then we don't have
6384 * to do anything. In other words, whichever events the current
6385 * AEN request is subscribing to, have already been subscribed
6386 * to.
6387 *
6388 * If the old_cmd is _not_ inclusive, then we have to abort
6389 * that command, form a class_locale that is superset of both
6390 * old and current and re-issue to the FW
6391 */
6392
6393 curr_aen.word = LE_32(class_locale_word);
6394 curr_aen.members.locale = LE_16(curr_aen.members.locale);
6395 aen_cmd = instance->aen_cmd;
6396 if (aen_cmd) {
6397 prev_aen.word = ddi_get32(aen_cmd->frame_dma_obj.acc_handle,
6398 &aen_cmd->frame->dcmd.mbox.w[1]);
6399 prev_aen.word = LE_32(prev_aen.word);
6400 prev_aen.members.locale = LE_16(prev_aen.members.locale);
6401 /*
6402 * A class whose enum value is smaller is inclusive of all
6403 * higher values. If a PROGRESS (= -1) was previously
6404 * registered, then a new registration requests for higher
6405 * classes need not be sent to FW. They are automatically
6406 * included.
6407 *
6408 * Locale numbers don't have such hierarchy. They are bitmap
6409 * values
6410 */
6411 if ((prev_aen.members.class <= curr_aen.members.class) &&
6412 !((prev_aen.members.locale & curr_aen.members.locale) ^
6413 curr_aen.members.locale)) {
6414 /*
6415 * Previously issued event registration includes
6416 * current request. Nothing to do.
6417 */
6418
6419 return (0);
6420 } else {
6421 curr_aen.members.locale |= prev_aen.members.locale;
6422
6423 if (prev_aen.members.class < curr_aen.members.class)
6424 curr_aen.members.class = prev_aen.members.class;
6425
6426 ret_val = abort_aen_cmd(instance, aen_cmd);
6427
6428 if (ret_val) {
6429 con_log(CL_ANN, (CE_WARN, "register_mfi_aen: "
6430 "failed to abort prevous AEN command"));
6431
6432 return (ret_val);
6433 }
6434 }
6435 } else {
6436 curr_aen.word = LE_32(class_locale_word);
6437 curr_aen.members.locale = LE_16(curr_aen.members.locale);
6438 }
6439
6440 if (instance->tbolt) {
6441 cmd = get_raid_msg_mfi_pkt(instance);
6442 } else {
6443 cmd = mrsas_get_mfi_pkt(instance);
6444 }
6445
6446 if (!cmd) {
6447 DTRACE_PROBE2(mfi_aen_err, uint16_t, instance->fw_outstanding,
6448 uint16_t, instance->max_fw_cmds);
6449 return (ENOMEM);
6450 }
6451
6452 /* Clear the frame buffer and assign back the context id */
6453 (void) memset((char *)&cmd->frame[0], 0, sizeof (union mrsas_frame));
6454 ddi_put32(cmd->frame_dma_obj.acc_handle, &cmd->frame->hdr.context,
6455 cmd->index);
6456
6457 dcmd = &cmd->frame->dcmd;
6458
6459 /* for(i = 0; i < DCMD_MBOX_SZ; i++) dcmd->mbox.b[i] = 0; */
6460 (void) memset(dcmd->mbox.b, 0, DCMD_MBOX_SZ);
6461
6462 (void) memset(instance->mfi_evt_detail_obj.buffer, 0,
6463 sizeof (struct mrsas_evt_detail));
6464
6465 /* Prepare DCMD for aen registration */
6466 ddi_put8(cmd->frame_dma_obj.acc_handle, &dcmd->cmd, MFI_CMD_OP_DCMD);
6467 ddi_put8(cmd->frame_dma_obj.acc_handle, &dcmd->cmd_status, 0x0);
6468 ddi_put8(cmd->frame_dma_obj.acc_handle, &dcmd->sge_count, 1);
6469 ddi_put16(cmd->frame_dma_obj.acc_handle, &dcmd->flags,
6470 MFI_FRAME_DIR_READ);
6471 ddi_put16(cmd->frame_dma_obj.acc_handle, &dcmd->timeout, 0);
6472 ddi_put32(cmd->frame_dma_obj.acc_handle, &dcmd->data_xfer_len,
6473 sizeof (struct mrsas_evt_detail));
6474 ddi_put32(cmd->frame_dma_obj.acc_handle, &dcmd->opcode,
6475 MR_DCMD_CTRL_EVENT_WAIT);
6476 ddi_put32(cmd->frame_dma_obj.acc_handle, &dcmd->mbox.w[0], seq_num);
6477 curr_aen.members.locale = LE_16(curr_aen.members.locale);
6478 curr_aen.word = LE_32(curr_aen.word);
6479 ddi_put32(cmd->frame_dma_obj.acc_handle, &dcmd->mbox.w[1],
6480 curr_aen.word);
6481 ddi_put32(cmd->frame_dma_obj.acc_handle, &dcmd->sgl.sge32[0].phys_addr,
6482 instance->mfi_evt_detail_obj.dma_cookie[0].dmac_address);
6483 ddi_put32(cmd->frame_dma_obj.acc_handle, &dcmd->sgl.sge32[0].length,
6484 sizeof (struct mrsas_evt_detail));
6485
6486 instance->aen_seq_num = seq_num;
6487
6488
6489 /*
6490 * Store reference to the cmd used to register for AEN. When an
6491 * application wants us to register for AEN, we have to abort this
6492 * cmd and re-register with a new EVENT LOCALE supplied by that app
6493 */
6494 instance->aen_cmd = cmd;
6495
6496 cmd->frame_count = 1;
6497
6498 /* Issue the aen registration frame */
6499 /* atomic_add_16 (&instance->fw_outstanding, 1); */
6500 if (instance->tbolt) {
6501 mr_sas_tbolt_build_mfi_cmd(instance, cmd);
6502 }
6503 instance->func_ptr->issue_cmd(cmd, instance);
6504
6505 return (0);
6506 }
6507
6508 void
6509 display_scsi_inquiry(caddr_t scsi_inq)
6510 {
6511 #define MAX_SCSI_DEVICE_CODE 14
6512 int i;
6513 char inquiry_buf[256] = {0};
6514 int len;
6515 const char *const scsi_device_types[] = {
6516 "Direct-Access ",
6517 "Sequential-Access",
6518 "Printer ",
6519 "Processor ",
6520 "WORM ",
6521 "CD-ROM ",
6522 "Scanner ",
6523 "Optical Device ",
6524 "Medium Changer ",
6525 "Communications ",
6526 "Unknown ",
6527 "Unknown ",
6528 "Unknown ",
6529 "Enclosure ",
6530 };
6531
6532 len = 0;
6533
6534 len += snprintf(inquiry_buf + len, 265 - len, " Vendor: ");
6535 for (i = 8; i < 16; i++) {
6536 len += snprintf(inquiry_buf + len, 265 - len, "%c",
6537 scsi_inq[i]);
6538 }
6539
6540 len += snprintf(inquiry_buf + len, 265 - len, " Model: ");
6541
6542 for (i = 16; i < 32; i++) {
6543 len += snprintf(inquiry_buf + len, 265 - len, "%c",
6544 scsi_inq[i]);
6545 }
6546
6547 len += snprintf(inquiry_buf + len, 265 - len, " Rev: ");
6548
6549 for (i = 32; i < 36; i++) {
6550 len += snprintf(inquiry_buf + len, 265 - len, "%c",
6551 scsi_inq[i]);
6552 }
6553
6554 len += snprintf(inquiry_buf + len, 265 - len, "\n");
6555
6556
6557 i = scsi_inq[0] & 0x1f;
6558
6559
6560 len += snprintf(inquiry_buf + len, 265 - len, " Type: %s ",
6561 i < MAX_SCSI_DEVICE_CODE ? scsi_device_types[i] :
6562 "Unknown ");
6563
6564
6565 len += snprintf(inquiry_buf + len, 265 - len,
6566 " ANSI SCSI revision: %02x", scsi_inq[2] & 0x07);
6567
6568 if ((scsi_inq[2] & 0x07) == 1 && (scsi_inq[3] & 0x0f) == 1) {
6569 len += snprintf(inquiry_buf + len, 265 - len, " CCS\n");
6570 } else {
6571 len += snprintf(inquiry_buf + len, 265 - len, "\n");
6572 }
6573
6574 con_log(CL_DLEVEL2, (CE_CONT, inquiry_buf));
6575 }
6576
6577 static void
6578 io_timeout_checker(void *arg)
6579 {
6580 struct scsi_pkt *pkt;
6581 struct mrsas_instance *instance = arg;
6582 struct mrsas_cmd *cmd = NULL;
6583 struct mrsas_header *hdr;
6584 int time = 0;
6585 int counter = 0;
6586 struct mlist_head *pos, *next;
6587 mlist_t process_list;
6588
6589 if (instance->adapterresetinprogress == 1) {
6590 con_log(CL_ANN, (CE_NOTE, "io_timeout_checker:"
6591 " reset in progress"));
6592
6593 instance->timeout_id = timeout(io_timeout_checker,
6594 (void *) instance, drv_usectohz(MRSAS_1_SECOND));
6595 return;
6596 }
6597
6598 /* See if this check needs to be in the beginning or last in ISR */
6599 if (mrsas_initiate_ocr_if_fw_is_faulty(instance) == 1) {
6600 dev_err(instance->dip, CE_WARN, "io_timeout_checker: "
6601 "FW Fault, calling reset adapter");
6602 dev_err(instance->dip, CE_CONT, "io_timeout_checker: "
6603 "fw_outstanding 0x%X max_fw_cmds 0x%X",
6604 instance->fw_outstanding, instance->max_fw_cmds);
6605 if (instance->adapterresetinprogress == 0) {
6606 instance->adapterresetinprogress = 1;
6607 if (instance->tbolt)
6608 (void) mrsas_tbolt_reset_ppc(instance);
6609 else
6610 (void) mrsas_reset_ppc(instance);
6611 instance->adapterresetinprogress = 0;
6612 }
6613 instance->timeout_id = timeout(io_timeout_checker,
6614 (void *) instance, drv_usectohz(MRSAS_1_SECOND));
6615 return;
6616 }
6617
6618 INIT_LIST_HEAD(&process_list);
6619
6620 mutex_enter(&instance->cmd_pend_mtx);
6621 mlist_for_each_safe(pos, next, &instance->cmd_pend_list) {
6622 cmd = mlist_entry(pos, struct mrsas_cmd, list);
6623
6624 if (cmd == NULL) {
6625 continue;
6626 }
6627
6628 if (cmd->sync_cmd == MRSAS_TRUE) {
6629 hdr = (struct mrsas_header *)&cmd->frame->hdr;
6630 if (hdr == NULL) {
6631 continue;
6632 }
6633 time = --cmd->drv_pkt_time;
6634 } else {
6635 pkt = cmd->pkt;
6636 if (pkt == NULL) {
6637 continue;
6638 }
6639 time = --cmd->drv_pkt_time;
6640 }
6641 if (time <= 0) {
6642 dev_err(instance->dip, CE_WARN, "%llx: "
6643 "io_timeout_checker: TIMING OUT: pkt: %p, "
6644 "cmd %p fw_outstanding 0x%X max_fw_cmds 0x%X",
6645 gethrtime(), (void *)pkt, (void *)cmd,
6646 instance->fw_outstanding, instance->max_fw_cmds);
6647
6648 counter++;
6649 break;
6650 }
6651 }
6652 mutex_exit(&instance->cmd_pend_mtx);
6653
6654 if (counter) {
6655 if (instance->disable_online_ctrl_reset == 1) {
6656 dev_err(instance->dip, CE_WARN, "%s(): OCR is NOT "
6657 "supported by Firmware, KILL adapter!!!",
6658 __func__);
6659
6660 if (instance->tbolt)
6661 mrsas_tbolt_kill_adapter(instance);
6662 else
6663 (void) mrsas_kill_adapter(instance);
6664
6665 return;
6666 } else {
6667 if (cmd->retry_count_for_ocr <= IO_RETRY_COUNT) {
6668 if (instance->adapterresetinprogress == 0) {
6669 if (instance->tbolt) {
6670 (void) mrsas_tbolt_reset_ppc(
6671 instance);
6672 } else {
6673 (void) mrsas_reset_ppc(
6674 instance);
6675 }
6676 }
6677 } else {
6678 dev_err(instance->dip, CE_WARN,
6679 "io_timeout_checker: "
6680 "cmd %p cmd->index %d "
6681 "timed out even after 3 resets: "
6682 "so KILL adapter", (void *)cmd, cmd->index);
6683
6684 mrsas_print_cmd_details(instance, cmd, 0xDD);
6685
6686 if (instance->tbolt)
6687 mrsas_tbolt_kill_adapter(instance);
6688 else
6689 (void) mrsas_kill_adapter(instance);
6690 return;
6691 }
6692 }
6693 }
6694 con_log(CL_ANN, (CE_NOTE, "mrsas: "
6695 "schedule next timeout check: "
6696 "do timeout \n"));
6697 instance->timeout_id =
6698 timeout(io_timeout_checker, (void *)instance,
6699 drv_usectohz(MRSAS_1_SECOND));
6700 }
6701
6702 static uint32_t
6703 read_fw_status_reg_ppc(struct mrsas_instance *instance)
6704 {
6705 return ((uint32_t)RD_OB_SCRATCH_PAD_0(instance));
6706 }
6707
6708 static void
6709 issue_cmd_ppc(struct mrsas_cmd *cmd, struct mrsas_instance *instance)
6710 {
6711 struct scsi_pkt *pkt;
6712 atomic_inc_16(&instance->fw_outstanding);
6713
6714 pkt = cmd->pkt;
6715 if (pkt) {
6716 con_log(CL_DLEVEL1, (CE_NOTE, "%llx : issue_cmd_ppc:"
6717 "ISSUED CMD TO FW : called : cmd:"
6718 ": %p instance : %p pkt : %p pkt_time : %x\n",
6719 gethrtime(), (void *)cmd, (void *)instance,
6720 (void *)pkt, cmd->drv_pkt_time));
6721 if (instance->adapterresetinprogress) {
6722 cmd->drv_pkt_time = (uint16_t)debug_timeout_g;
6723 con_log(CL_ANN1, (CE_NOTE, "Reset the scsi_pkt timer"));
6724 } else {
6725 push_pending_mfi_pkt(instance, cmd);
6726 }
6727
6728 } else {
6729 con_log(CL_DLEVEL1, (CE_NOTE, "%llx : issue_cmd_ppc:"
6730 "ISSUED CMD TO FW : called : cmd : %p, instance: %p"
6731 "(NO PKT)\n", gethrtime(), (void *)cmd, (void *)instance));
6732 }
6733
6734 mutex_enter(&instance->reg_write_mtx);
6735 /* Issue the command to the FW */
6736 WR_IB_PICK_QPORT((cmd->frame_phys_addr) |
6737 (((cmd->frame_count - 1) << 1) | 1), instance);
6738 mutex_exit(&instance->reg_write_mtx);
6739
6740 }
6741
6742 /*
6743 * issue_cmd_in_sync_mode
6744 */
6745 static int
6746 issue_cmd_in_sync_mode_ppc(struct mrsas_instance *instance,
6747 struct mrsas_cmd *cmd)
6748 {
6749 int i;
6750 uint32_t msecs = MFI_POLL_TIMEOUT_SECS * MILLISEC;
6751 struct mrsas_header *hdr = &cmd->frame->hdr;
6752
6753 con_log(CL_ANN1, (CE_NOTE, "issue_cmd_in_sync_mode_ppc: called"));
6754
6755 if (instance->adapterresetinprogress) {
6756 cmd->drv_pkt_time = ddi_get16(
6757 cmd->frame_dma_obj.acc_handle, &hdr->timeout);
6758 if (cmd->drv_pkt_time < debug_timeout_g)
6759 cmd->drv_pkt_time = (uint16_t)debug_timeout_g;
6760
6761 con_log(CL_ANN1, (CE_NOTE, "sync_mode_ppc: "
6762 "issue and return in reset case\n"));
6763 WR_IB_PICK_QPORT((cmd->frame_phys_addr) |
6764 (((cmd->frame_count - 1) << 1) | 1), instance);
6765
6766 return (DDI_SUCCESS);
6767 } else {
6768 con_log(CL_ANN1, (CE_NOTE, "sync_mode_ppc: pushing the pkt\n"));
6769 push_pending_mfi_pkt(instance, cmd);
6770 }
6771
6772 cmd->cmd_status = ENODATA;
6773
6774 mutex_enter(&instance->reg_write_mtx);
6775 /* Issue the command to the FW */
6776 WR_IB_PICK_QPORT((cmd->frame_phys_addr) |
6777 (((cmd->frame_count - 1) << 1) | 1), instance);
6778 mutex_exit(&instance->reg_write_mtx);
6779
6780 mutex_enter(&instance->int_cmd_mtx);
6781 for (i = 0; i < msecs && (cmd->cmd_status == ENODATA); i++) {
6782 cv_wait(&instance->int_cmd_cv, &instance->int_cmd_mtx);
6783 }
6784 mutex_exit(&instance->int_cmd_mtx);
6785
6786 con_log(CL_ANN1, (CE_NOTE, "issue_cmd_in_sync_mode_ppc: done"));
6787
6788 if (i < (msecs -1)) {
6789 return (DDI_SUCCESS);
6790 } else {
6791 return (DDI_FAILURE);
6792 }
6793 }
6794
6795 /*
6796 * issue_cmd_in_poll_mode
6797 */
6798 static int
6799 issue_cmd_in_poll_mode_ppc(struct mrsas_instance *instance,
6800 struct mrsas_cmd *cmd)
6801 {
6802 int i;
6803 uint16_t flags;
6804 uint32_t msecs = MFI_POLL_TIMEOUT_SECS * MILLISEC;
6805 struct mrsas_header *frame_hdr;
6806
6807 con_log(CL_ANN1, (CE_NOTE, "issue_cmd_in_poll_mode_ppc: called"));
6808
6809 frame_hdr = (struct mrsas_header *)cmd->frame;
6810 ddi_put8(cmd->frame_dma_obj.acc_handle, &frame_hdr->cmd_status,
6811 MFI_CMD_STATUS_POLL_MODE);
6812 flags = ddi_get16(cmd->frame_dma_obj.acc_handle, &frame_hdr->flags);
6813 flags |= MFI_FRAME_DONT_POST_IN_REPLY_QUEUE;
6814
6815 ddi_put16(cmd->frame_dma_obj.acc_handle, &frame_hdr->flags, flags);
6816
6817 /* issue the frame using inbound queue port */
6818 WR_IB_PICK_QPORT((cmd->frame_phys_addr) |
6819 (((cmd->frame_count - 1) << 1) | 1), instance);
6820
6821 /* wait for cmd_status to change from 0xFF */
6822 for (i = 0; i < msecs && (
6823 ddi_get8(cmd->frame_dma_obj.acc_handle, &frame_hdr->cmd_status)
6824 == MFI_CMD_STATUS_POLL_MODE); i++) {
6825 drv_usecwait(MILLISEC); /* wait for 1000 usecs */
6826 }
6827
6828 if (ddi_get8(cmd->frame_dma_obj.acc_handle, &frame_hdr->cmd_status)
6829 == MFI_CMD_STATUS_POLL_MODE) {
6830 con_log(CL_ANN, (CE_NOTE, "issue_cmd_in_poll_mode: "
6831 "cmd polling timed out"));
6832 return (DDI_FAILURE);
6833 }
6834
6835 return (DDI_SUCCESS);
6836 }
6837
6838 static void
6839 enable_intr_ppc(struct mrsas_instance *instance)
6840 {
6841 uint32_t mask;
6842
6843 con_log(CL_ANN1, (CE_NOTE, "enable_intr_ppc: called"));
6844
6845 if (instance->skinny) {
6846 /* For SKINNY, write ~0x1, from BSD's mfi driver. */
6847 WR_OB_INTR_MASK(0xfffffffe, instance);
6848 } else {
6849 /* WR_OB_DOORBELL_CLEAR(0xFFFFFFFF, instance); */
6850 WR_OB_DOORBELL_CLEAR(OB_DOORBELL_CLEAR_MASK, instance);
6851
6852 /* WR_OB_INTR_MASK(~0x80000000, instance); */
6853 WR_OB_INTR_MASK(~(MFI_REPLY_2108_MESSAGE_INTR_MASK), instance);
6854 }
6855
6856 /* dummy read to force PCI flush */
6857 mask = RD_OB_INTR_MASK(instance);
6858
6859 con_log(CL_ANN1, (CE_NOTE, "enable_intr_ppc: "
6860 "outbound_intr_mask = 0x%x", mask));
6861 }
6862
6863 static void
6864 disable_intr_ppc(struct mrsas_instance *instance)
6865 {
6866 uint32_t mask;
6867
6868 con_log(CL_ANN1, (CE_NOTE, "disable_intr_ppc: called"));
6869
6870 con_log(CL_ANN1, (CE_NOTE, "disable_intr_ppc: before : "
6871 "outbound_intr_mask = 0x%x", RD_OB_INTR_MASK(instance)));
6872
6873 /* For now, assume there are no extras needed for Skinny support. */
6874
6875 WR_OB_INTR_MASK(OB_INTR_MASK, instance);
6876
6877 con_log(CL_ANN1, (CE_NOTE, "disable_intr_ppc: after : "
6878 "outbound_intr_mask = 0x%x", RD_OB_INTR_MASK(instance)));
6879
6880 /* dummy read to force PCI flush */
6881 mask = RD_OB_INTR_MASK(instance);
6882 #ifdef lint
6883 mask = mask;
6884 #endif
6885 }
6886
6887 static int
6888 intr_ack_ppc(struct mrsas_instance *instance)
6889 {
6890 uint32_t status;
6891 int ret = DDI_INTR_CLAIMED;
6892
6893 con_log(CL_ANN1, (CE_NOTE, "intr_ack_ppc: called"));
6894
6895 /* check if it is our interrupt */
6896 status = RD_OB_INTR_STATUS(instance);
6897
6898 con_log(CL_ANN1, (CE_NOTE, "intr_ack_ppc: status = 0x%x", status));
6899
6900 /*
6901 * NOTE: Some drivers call out SKINNY here, but the return is the same
6902 * for SKINNY and 2108.
6903 */
6904 if (!(status & MFI_REPLY_2108_MESSAGE_INTR)) {
6905 ret = DDI_INTR_UNCLAIMED;
6906 }
6907
6908 if (mrsas_check_acc_handle(instance->regmap_handle) != DDI_SUCCESS) {
6909 ddi_fm_service_impact(instance->dip, DDI_SERVICE_LOST);
6910 ret = DDI_INTR_UNCLAIMED;
6911 }
6912
6913 if (ret == DDI_INTR_UNCLAIMED) {
6914 return (ret);
6915 }
6916
6917 /*
6918 * Clear the interrupt by writing back the same value.
6919 * Another case where SKINNY is slightly different.
6920 */
6921 if (instance->skinny) {
6922 WR_OB_INTR_STATUS(status, instance);
6923 } else {
6924 WR_OB_DOORBELL_CLEAR(status, instance);
6925 }
6926
6927 /* dummy READ */
6928 status = RD_OB_INTR_STATUS(instance);
6929
6930 con_log(CL_ANN1, (CE_NOTE, "intr_ack_ppc: interrupt cleared"));
6931
6932 return (ret);
6933 }
6934
6935 /*
6936 * Marks HBA as bad. This will be called either when an
6937 * IO packet times out even after 3 FW resets
6938 * or FW is found to be fault even after 3 continuous resets.
6939 */
6940
6941 static int
6942 mrsas_kill_adapter(struct mrsas_instance *instance)
6943 {
6944 if (instance->deadadapter == 1)
6945 return (DDI_FAILURE);
6946
6947 con_log(CL_ANN1, (CE_NOTE, "mrsas_kill_adapter: "
6948 "Writing to doorbell with MFI_STOP_ADP "));
6949 mutex_enter(&instance->ocr_flags_mtx);
6950 instance->deadadapter = 1;
6951 mutex_exit(&instance->ocr_flags_mtx);
6952 instance->func_ptr->disable_intr(instance);
6953 WR_IB_DOORBELL(MFI_STOP_ADP, instance);
6954 (void) mrsas_complete_pending_cmds(instance);
6955 return (DDI_SUCCESS);
6956 }
6957
6958
6959 static int
6960 mrsas_reset_ppc(struct mrsas_instance *instance)
6961 {
6962 uint32_t status;
6963 uint32_t retry = 0;
6964 uint32_t cur_abs_reg_val;
6965 uint32_t fw_state;
6966
6967 con_log(CL_ANN, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
6968
6969 if (instance->deadadapter == 1) {
6970 dev_err(instance->dip, CE_WARN, "mrsas_reset_ppc: "
6971 "no more resets as HBA has been marked dead ");
6972 return (DDI_FAILURE);
6973 }
6974 mutex_enter(&instance->ocr_flags_mtx);
6975 instance->adapterresetinprogress = 1;
6976 mutex_exit(&instance->ocr_flags_mtx);
6977 con_log(CL_ANN1, (CE_NOTE, "mrsas_reset_ppc: adpterresetinprogress "
6978 "flag set, time %llx", gethrtime()));
6979
6980 instance->func_ptr->disable_intr(instance);
6981 retry_reset:
6982 WR_IB_WRITE_SEQ(0, instance);
6983 WR_IB_WRITE_SEQ(4, instance);
6984 WR_IB_WRITE_SEQ(0xb, instance);
6985 WR_IB_WRITE_SEQ(2, instance);
6986 WR_IB_WRITE_SEQ(7, instance);
6987 WR_IB_WRITE_SEQ(0xd, instance);
6988 con_log(CL_ANN1, (CE_NOTE, "mrsas_reset_ppc: magic number written "
6989 "to write sequence register\n"));
6990 delay(100 * drv_usectohz(MILLISEC));
6991 status = RD_OB_DRWE(instance);
6992
6993 while (!(status & DIAG_WRITE_ENABLE)) {
6994 delay(100 * drv_usectohz(MILLISEC));
6995 status = RD_OB_DRWE(instance);
6996 if (retry++ == 100) {
6997 dev_err(instance->dip, CE_WARN,
6998 "mrsas_reset_ppc: DRWE bit "
6999 "check retry count %d", retry);
7000 return (DDI_FAILURE);
7001 }
7002 }
7003 WR_IB_DRWE(status | DIAG_RESET_ADAPTER, instance);
7004 delay(100 * drv_usectohz(MILLISEC));
7005 status = RD_OB_DRWE(instance);
7006 while (status & DIAG_RESET_ADAPTER) {
7007 delay(100 * drv_usectohz(MILLISEC));
7008 status = RD_OB_DRWE(instance);
7009 if (retry++ == 100) {
7010 dev_err(instance->dip, CE_WARN, "mrsas_reset_ppc: "
7011 "RESET FAILED. KILL adapter called.");
7012
7013 (void) mrsas_kill_adapter(instance);
7014 return (DDI_FAILURE);
7015 }
7016 }
7017 con_log(CL_ANN, (CE_NOTE, "mrsas_reset_ppc: Adapter reset complete"));
7018 con_log(CL_ANN1, (CE_NOTE, "mrsas_reset_ppc: "
7019 "Calling mfi_state_transition_to_ready"));
7020
7021 /* Mark HBA as bad, if FW is fault after 3 continuous resets */
7022 if (mfi_state_transition_to_ready(instance) ||
7023 debug_fw_faults_after_ocr_g == 1) {
7024 cur_abs_reg_val =
7025 instance->func_ptr->read_fw_status_reg(instance);
7026 fw_state = cur_abs_reg_val & MFI_STATE_MASK;
7027
7028 #ifdef OCRDEBUG
7029 con_log(CL_ANN1, (CE_NOTE,
7030 "mrsas_reset_ppc :before fake: FW is not ready "
7031 "FW state = 0x%x", fw_state));
7032 if (debug_fw_faults_after_ocr_g == 1)
7033 fw_state = MFI_STATE_FAULT;
7034 #endif
7035
7036 con_log(CL_ANN1, (CE_NOTE, "mrsas_reset_ppc : FW is not ready "
7037 "FW state = 0x%x", fw_state));
7038
7039 if (fw_state == MFI_STATE_FAULT) {
7040 /* increment the count */
7041 instance->fw_fault_count_after_ocr++;
7042 if (instance->fw_fault_count_after_ocr
7043 < MAX_FW_RESET_COUNT) {
7044 dev_err(instance->dip, CE_WARN,
7045 "mrsas_reset_ppc: "
7046 "FW is in fault after OCR count %d "
7047 "Retry Reset",
7048 instance->fw_fault_count_after_ocr);
7049 goto retry_reset;
7050
7051 } else {
7052 dev_err(instance->dip, CE_WARN,
7053 "mrsas_reset_ppc: "
7054 "Max Reset Count exceeded >%d"
7055 "Mark HBA as bad, KILL adapter",
7056 MAX_FW_RESET_COUNT);
7057
7058 (void) mrsas_kill_adapter(instance);
7059 return (DDI_FAILURE);
7060 }
7061 }
7062 }
7063 /* reset the counter as FW is up after OCR */
7064 instance->fw_fault_count_after_ocr = 0;
7065
7066
7067 ddi_put32(instance->mfi_internal_dma_obj.acc_handle,
7068 instance->producer, 0);
7069
7070 ddi_put32(instance->mfi_internal_dma_obj.acc_handle,
7071 instance->consumer, 0);
7072
7073 con_log(CL_ANN1, (CE_NOTE, "mrsas_reset_ppc: "
7074 " after resetting produconsumer chck indexs:"
7075 "producer %x consumer %x", *instance->producer,
7076 *instance->consumer));
7077
7078 con_log(CL_ANN1, (CE_NOTE, "mrsas_reset_ppc: "
7079 "Calling mrsas_issue_init_mfi"));
7080 (void) mrsas_issue_init_mfi(instance);
7081 con_log(CL_ANN1, (CE_NOTE, "mrsas_reset_ppc: "
7082 "mrsas_issue_init_mfi Done"));
7083
7084 con_log(CL_ANN1, (CE_NOTE, "mrsas_reset_ppc: "
7085 "Calling mrsas_print_pending_cmd\n"));
7086 (void) mrsas_print_pending_cmds(instance);
7087 con_log(CL_ANN1, (CE_NOTE, "mrsas_reset_ppc: "
7088 "mrsas_print_pending_cmd done\n"));
7089
7090 instance->func_ptr->enable_intr(instance);
7091 instance->fw_outstanding = 0;
7092
7093 con_log(CL_ANN1, (CE_NOTE, "mrsas_reset_ppc: "
7094 "Calling mrsas_issue_pending_cmds"));
7095 (void) mrsas_issue_pending_cmds(instance);
7096 con_log(CL_ANN1, (CE_NOTE, "mrsas_reset_ppc: "
7097 "issue_pending_cmds done.\n"));
7098
7099 con_log(CL_ANN1, (CE_NOTE, "mrsas_reset_ppc: "
7100 "Calling aen registration"));
7101
7102
7103 instance->aen_cmd->retry_count_for_ocr = 0;
7104 instance->aen_cmd->drv_pkt_time = 0;
7105
7106 instance->func_ptr->issue_cmd(instance->aen_cmd, instance);
7107 con_log(CL_ANN1, (CE_NOTE, "Unsetting adpresetinprogress flag.\n"));
7108
7109 mutex_enter(&instance->ocr_flags_mtx);
7110 instance->adapterresetinprogress = 0;
7111 mutex_exit(&instance->ocr_flags_mtx);
7112 con_log(CL_ANN1, (CE_NOTE, "mrsas_reset_ppc: "
7113 "adpterresetinprogress flag unset"));
7114
7115 con_log(CL_ANN1, (CE_NOTE, "mrsas_reset_ppc done\n"));
7116 return (DDI_SUCCESS);
7117 }
7118
7119 /*
7120 * FMA functions.
7121 */
7122 int
7123 mrsas_common_check(struct mrsas_instance *instance, struct mrsas_cmd *cmd)
7124 {
7125 int ret = DDI_SUCCESS;
7126
7127 if (cmd != NULL &&
7128 mrsas_check_dma_handle(cmd->frame_dma_obj.dma_handle) !=
7129 DDI_SUCCESS) {
7130 ddi_fm_service_impact(instance->dip, DDI_SERVICE_UNAFFECTED);
7131 if (cmd->pkt != NULL) {
7132 cmd->pkt->pkt_reason = CMD_TRAN_ERR;
7133 cmd->pkt->pkt_statistics = 0;
7134 }
7135 ret = DDI_FAILURE;
7136 }
7137 if (mrsas_check_dma_handle(instance->mfi_internal_dma_obj.dma_handle)
7138 != DDI_SUCCESS) {
7139 ddi_fm_service_impact(instance->dip, DDI_SERVICE_UNAFFECTED);
7140 if (cmd != NULL && cmd->pkt != NULL) {
7141 cmd->pkt->pkt_reason = CMD_TRAN_ERR;
7142 cmd->pkt->pkt_statistics = 0;
7143 }
7144 ret = DDI_FAILURE;
7145 }
7146 if (mrsas_check_dma_handle(instance->mfi_evt_detail_obj.dma_handle) !=
7147 DDI_SUCCESS) {
7148 ddi_fm_service_impact(instance->dip, DDI_SERVICE_UNAFFECTED);
7149 if (cmd != NULL && cmd->pkt != NULL) {
7150 cmd->pkt->pkt_reason = CMD_TRAN_ERR;
7151 cmd->pkt->pkt_statistics = 0;
7152 }
7153 ret = DDI_FAILURE;
7154 }
7155 if (mrsas_check_acc_handle(instance->regmap_handle) != DDI_SUCCESS) {
7156 ddi_fm_service_impact(instance->dip, DDI_SERVICE_UNAFFECTED);
7157
7158 ddi_fm_acc_err_clear(instance->regmap_handle, DDI_FME_VER0);
7159
7160 if (cmd != NULL && cmd->pkt != NULL) {
7161 cmd->pkt->pkt_reason = CMD_TRAN_ERR;
7162 cmd->pkt->pkt_statistics = 0;
7163 }
7164 ret = DDI_FAILURE;
7165 }
7166
7167 return (ret);
7168 }
7169
7170 /*ARGSUSED*/
7171 static int
7172 mrsas_fm_error_cb(dev_info_t *dip, ddi_fm_error_t *err, const void *impl_data)
7173 {
7174 /*
7175 * as the driver can always deal with an error in any dma or
7176 * access handle, we can just return the fme_status value.
7177 */
7178 pci_ereport_post(dip, err, NULL);
7179 return (err->fme_status);
7180 }
7181
7182 static void
7183 mrsas_fm_init(struct mrsas_instance *instance)
7184 {
7185 /* Need to change iblock to priority for new MSI intr */
7186 ddi_iblock_cookie_t fm_ibc;
7187
7188 /* Only register with IO Fault Services if we have some capability */
7189 if (instance->fm_capabilities) {
7190 /* Adjust access and dma attributes for FMA */
7191 endian_attr.devacc_attr_access = DDI_FLAGERR_ACC;
7192 mrsas_generic_dma_attr.dma_attr_flags = DDI_DMA_FLAGERR;
7193
7194 /*
7195 * Register capabilities with IO Fault Services.
7196 * fm_capabilities will be updated to indicate
7197 * capabilities actually supported (not requested.)
7198 */
7199
7200 ddi_fm_init(instance->dip, &instance->fm_capabilities, &fm_ibc);
7201
7202 /*
7203 * Initialize pci ereport capabilities if ereport
7204 * capable (should always be.)
7205 */
7206
7207 if (DDI_FM_EREPORT_CAP(instance->fm_capabilities) ||
7208 DDI_FM_ERRCB_CAP(instance->fm_capabilities)) {
7209 pci_ereport_setup(instance->dip);
7210 }
7211
7212 /*
7213 * Register error callback if error callback capable.
7214 */
7215 if (DDI_FM_ERRCB_CAP(instance->fm_capabilities)) {
7216 ddi_fm_handler_register(instance->dip,
7217 mrsas_fm_error_cb, (void*) instance);
7218 }
7219 } else {
7220 endian_attr.devacc_attr_access = DDI_DEFAULT_ACC;
7221 mrsas_generic_dma_attr.dma_attr_flags = 0;
7222 }
7223 }
7224
7225 static void
7226 mrsas_fm_fini(struct mrsas_instance *instance)
7227 {
7228 /* Only unregister FMA capabilities if registered */
7229 if (instance->fm_capabilities) {
7230 /*
7231 * Un-register error callback if error callback capable.
7232 */
7233 if (DDI_FM_ERRCB_CAP(instance->fm_capabilities)) {
7234 ddi_fm_handler_unregister(instance->dip);
7235 }
7236
7237 /*
7238 * Release any resources allocated by pci_ereport_setup()
7239 */
7240 if (DDI_FM_EREPORT_CAP(instance->fm_capabilities) ||
7241 DDI_FM_ERRCB_CAP(instance->fm_capabilities)) {
7242 pci_ereport_teardown(instance->dip);
7243 }
7244
7245 /* Unregister from IO Fault Services */
7246 ddi_fm_fini(instance->dip);
7247
7248 /* Adjust access and dma attributes for FMA */
7249 endian_attr.devacc_attr_access = DDI_DEFAULT_ACC;
7250 mrsas_generic_dma_attr.dma_attr_flags = 0;
7251 }
7252 }
7253
7254 int
7255 mrsas_check_acc_handle(ddi_acc_handle_t handle)
7256 {
7257 ddi_fm_error_t de;
7258
7259 if (handle == NULL) {
7260 return (DDI_FAILURE);
7261 }
7262
7263 ddi_fm_acc_err_get(handle, &de, DDI_FME_VERSION);
7264
7265 return (de.fme_status);
7266 }
7267
7268 int
7269 mrsas_check_dma_handle(ddi_dma_handle_t handle)
7270 {
7271 ddi_fm_error_t de;
7272
7273 if (handle == NULL) {
7274 return (DDI_FAILURE);
7275 }
7276
7277 ddi_fm_dma_err_get(handle, &de, DDI_FME_VERSION);
7278
7279 return (de.fme_status);
7280 }
7281
7282 void
7283 mrsas_fm_ereport(struct mrsas_instance *instance, char *detail)
7284 {
7285 uint64_t ena;
7286 char buf[FM_MAX_CLASS];
7287
7288 (void) snprintf(buf, FM_MAX_CLASS, "%s.%s", DDI_FM_DEVICE, detail);
7289 ena = fm_ena_generate(0, FM_ENA_FMT1);
7290 if (DDI_FM_EREPORT_CAP(instance->fm_capabilities)) {
7291 ddi_fm_ereport_post(instance->dip, buf, ena, DDI_NOSLEEP,
7292 FM_VERSION, DATA_TYPE_UINT8, FM_EREPORT_VERSION, NULL);
7293 }
7294 }
7295
7296 static int
7297 mrsas_add_intrs(struct mrsas_instance *instance, int intr_type)
7298 {
7299
7300 dev_info_t *dip = instance->dip;
7301 int avail, actual, count;
7302 int i, flag, ret;
7303
7304 con_log(CL_DLEVEL1, (CE_NOTE, "mrsas_add_intrs: intr_type = %x",
7305 intr_type));
7306
7307 /* Get number of interrupts */
7308 ret = ddi_intr_get_nintrs(dip, intr_type, &count);
7309 if ((ret != DDI_SUCCESS) || (count == 0)) {
7310 con_log(CL_ANN, (CE_WARN, "ddi_intr_get_nintrs() failed:"
7311 "ret %d count %d", ret, count));
7312
7313 return (DDI_FAILURE);
7314 }
7315
7316 con_log(CL_DLEVEL1, (CE_NOTE, "mrsas_add_intrs: count = %d ", count));
7317
7318 /* Get number of available interrupts */
7319 ret = ddi_intr_get_navail(dip, intr_type, &avail);
7320 if ((ret != DDI_SUCCESS) || (avail == 0)) {
7321 con_log(CL_ANN, (CE_WARN, "ddi_intr_get_navail() failed:"
7322 "ret %d avail %d", ret, avail));
7323
7324 return (DDI_FAILURE);
7325 }
7326 con_log(CL_DLEVEL1, (CE_NOTE, "mrsas_add_intrs: avail = %d ", avail));
7327
7328 /* Only one interrupt routine. So limit the count to 1 */
7329 if (count > 1) {
7330 count = 1;
7331 }
7332
7333 /*
7334 * Allocate an array of interrupt handlers. Currently we support
7335 * only one interrupt. The framework can be extended later.
7336 */
7337 instance->intr_htable_size = count * sizeof (ddi_intr_handle_t);
7338 instance->intr_htable = kmem_zalloc(instance->intr_htable_size,
7339 KM_SLEEP);
7340 ASSERT(instance->intr_htable);
7341
7342 flag = ((intr_type == DDI_INTR_TYPE_MSI) ||
7343 (intr_type == DDI_INTR_TYPE_MSIX)) ?
7344 DDI_INTR_ALLOC_STRICT : DDI_INTR_ALLOC_NORMAL;
7345
7346 /* Allocate interrupt */
7347 ret = ddi_intr_alloc(dip, instance->intr_htable, intr_type, 0,
7348 count, &actual, flag);
7349
7350 if ((ret != DDI_SUCCESS) || (actual == 0)) {
7351 con_log(CL_ANN, (CE_WARN, "mrsas_add_intrs: "
7352 "avail = %d", avail));
7353 goto mrsas_free_htable;
7354 }
7355
7356 if (actual < count) {
7357 con_log(CL_ANN, (CE_WARN, "mrsas_add_intrs: "
7358 "Requested = %d Received = %d", count, actual));
7359 }
7360 instance->intr_cnt = actual;
7361
7362 /*
7363 * Get the priority of the interrupt allocated.
7364 */
7365 if ((ret = ddi_intr_get_pri(instance->intr_htable[0],
7366 &instance->intr_pri)) != DDI_SUCCESS) {
7367 con_log(CL_ANN, (CE_WARN, "mrsas_add_intrs: "
7368 "get priority call failed"));
7369 goto mrsas_free_handles;
7370 }
7371
7372 /*
7373 * Test for high level mutex. we don't support them.
7374 */
7375 if (instance->intr_pri >= ddi_intr_get_hilevel_pri()) {
7376 con_log(CL_ANN, (CE_WARN, "mrsas_add_intrs: "
7377 "High level interrupts not supported."));
7378 goto mrsas_free_handles;
7379 }
7380
7381 con_log(CL_DLEVEL1, (CE_NOTE, "mrsas_add_intrs: intr_pri = 0x%x ",
7382 instance->intr_pri));
7383
7384 /* Call ddi_intr_add_handler() */
7385 for (i = 0; i < actual; i++) {
7386 ret = ddi_intr_add_handler(instance->intr_htable[i],
7387 (ddi_intr_handler_t *)mrsas_isr, (caddr_t)instance,
7388 (caddr_t)(uintptr_t)i);
7389
7390 if (ret != DDI_SUCCESS) {
7391 con_log(CL_ANN, (CE_WARN, "mrsas_add_intrs:"
7392 "failed %d", ret));
7393 goto mrsas_free_handles;
7394 }
7395
7396 }
7397
7398 con_log(CL_DLEVEL1, (CE_NOTE, " ddi_intr_add_handler done"));
7399
7400 if ((ret = ddi_intr_get_cap(instance->intr_htable[0],
7401 &instance->intr_cap)) != DDI_SUCCESS) {
7402 con_log(CL_ANN, (CE_WARN, "ddi_intr_get_cap() failed %d",
7403 ret));
7404 goto mrsas_free_handlers;
7405 }
7406
7407 if (instance->intr_cap & DDI_INTR_FLAG_BLOCK) {
7408 con_log(CL_ANN, (CE_WARN, "Calling ddi_intr_block _enable"));
7409
7410 (void) ddi_intr_block_enable(instance->intr_htable,
7411 instance->intr_cnt);
7412 } else {
7413 con_log(CL_ANN, (CE_NOTE, " calling ddi_intr_enable"));
7414
7415 for (i = 0; i < instance->intr_cnt; i++) {
7416 (void) ddi_intr_enable(instance->intr_htable[i]);
7417 con_log(CL_ANN, (CE_NOTE, "ddi intr enable returns "
7418 "%d", i));
7419 }
7420 }
7421
7422 return (DDI_SUCCESS);
7423
7424 mrsas_free_handlers:
7425 for (i = 0; i < actual; i++)
7426 (void) ddi_intr_remove_handler(instance->intr_htable[i]);
7427
7428 mrsas_free_handles:
7429 for (i = 0; i < actual; i++)
7430 (void) ddi_intr_free(instance->intr_htable[i]);
7431
7432 mrsas_free_htable:
7433 if (instance->intr_htable != NULL)
7434 kmem_free(instance->intr_htable, instance->intr_htable_size);
7435
7436 instance->intr_htable = NULL;
7437 instance->intr_htable_size = 0;
7438
7439 return (DDI_FAILURE);
7440
7441 }
7442
7443
7444 static void
7445 mrsas_rem_intrs(struct mrsas_instance *instance)
7446 {
7447 int i;
7448
7449 con_log(CL_ANN, (CE_NOTE, "mrsas_rem_intrs called"));
7450
7451 /* Disable all interrupts first */
7452 if (instance->intr_cap & DDI_INTR_FLAG_BLOCK) {
7453 (void) ddi_intr_block_disable(instance->intr_htable,
7454 instance->intr_cnt);
7455 } else {
7456 for (i = 0; i < instance->intr_cnt; i++) {
7457 (void) ddi_intr_disable(instance->intr_htable[i]);
7458 }
7459 }
7460
7461 /* Remove all the handlers */
7462
7463 for (i = 0; i < instance->intr_cnt; i++) {
7464 (void) ddi_intr_remove_handler(instance->intr_htable[i]);
7465 (void) ddi_intr_free(instance->intr_htable[i]);
7466 }
7467
7468 if (instance->intr_htable != NULL)
7469 kmem_free(instance->intr_htable, instance->intr_htable_size);
7470
7471 instance->intr_htable = NULL;
7472 instance->intr_htable_size = 0;
7473
7474 }
7475
7476 static int
7477 mrsas_tran_bus_config(dev_info_t *parent, uint_t flags,
7478 ddi_bus_config_op_t op, void *arg, dev_info_t **childp)
7479 {
7480 struct mrsas_instance *instance;
7481 int config;
7482 int rval = NDI_SUCCESS;
7483
7484 char *ptr = NULL;
7485 int tgt, lun;
7486
7487 con_log(CL_ANN1, (CE_NOTE, "Bus config called for op = %x", op));
7488
7489 if ((instance = ddi_get_soft_state(mrsas_state,
7490 ddi_get_instance(parent))) == NULL) {
7491 return (NDI_FAILURE);
7492 }
7493
7494 /* Hold nexus during bus_config */
7495 ndi_devi_enter(parent, &config);
7496 switch (op) {
7497 case BUS_CONFIG_ONE: {
7498
7499 /* parse wwid/target name out of name given */
7500 if ((ptr = strchr((char *)arg, '@')) == NULL) {
7501 rval = NDI_FAILURE;
7502 break;
7503 }
7504 ptr++;
7505
7506 if (mrsas_parse_devname(arg, &tgt, &lun) != 0) {
7507 rval = NDI_FAILURE;
7508 break;
7509 }
7510
7511 if (lun == 0) {
7512 rval = mrsas_config_ld(instance, tgt, lun, childp);
7513 #ifdef PDSUPPORT
7514 } else if ((instance->tbolt || instance->skinny) && lun != 0) {
7515 rval = mrsas_tbolt_config_pd(instance,
7516 tgt, lun, childp);
7517 #endif
7518 } else {
7519 rval = NDI_FAILURE;
7520 }
7521
7522 break;
7523 }
7524 case BUS_CONFIG_DRIVER:
7525 case BUS_CONFIG_ALL: {
7526
7527 rval = mrsas_config_all_devices(instance);
7528
7529 rval = NDI_SUCCESS;
7530 break;
7531 }
7532 }
7533
7534 if (rval == NDI_SUCCESS) {
7535 rval = ndi_busop_bus_config(parent, flags, op, arg, childp, 0);
7536
7537 }
7538 ndi_devi_exit(parent, config);
7539
7540 con_log(CL_ANN1, (CE_NOTE, "mrsas_tran_bus_config: rval = %x",
7541 rval));
7542 return (rval);
7543 }
7544
7545 static int
7546 mrsas_config_all_devices(struct mrsas_instance *instance)
7547 {
7548 int rval, tgt;
7549
7550 for (tgt = 0; tgt < MRDRV_MAX_LD; tgt++) {
7551 (void) mrsas_config_ld(instance, tgt, 0, NULL);
7552
7553 }
7554
7555 #ifdef PDSUPPORT
7556 /* Config PD devices connected to the card */
7557 if (instance->tbolt || instance->skinny) {
7558 for (tgt = 0; tgt < instance->mr_tbolt_pd_max; tgt++) {
7559 (void) mrsas_tbolt_config_pd(instance, tgt, 1, NULL);
7560 }
7561 }
7562 #endif
7563
7564 rval = NDI_SUCCESS;
7565 return (rval);
7566 }
7567
7568 static int
7569 mrsas_parse_devname(char *devnm, int *tgt, int *lun)
7570 {
7571 char devbuf[SCSI_MAXNAMELEN];
7572 char *addr;
7573 char *p, *tp, *lp;
7574 long num;
7575
7576 /* Parse dev name and address */
7577 (void) strcpy(devbuf, devnm);
7578 addr = "";
7579 for (p = devbuf; *p != '\0'; p++) {
7580 if (*p == '@') {
7581 addr = p + 1;
7582 *p = '\0';
7583 } else if (*p == ':') {
7584 *p = '\0';
7585 break;
7586 }
7587 }
7588
7589 /* Parse target and lun */
7590 for (p = tp = addr, lp = NULL; *p != '\0'; p++) {
7591 if (*p == ',') {
7592 lp = p + 1;
7593 *p = '\0';
7594 break;
7595 }
7596 }
7597 if (tgt && tp) {
7598 if (ddi_strtol(tp, NULL, 0x10, &num)) {
7599 return (DDI_FAILURE); /* Can declare this as constant */
7600 }
7601 *tgt = (int)num;
7602 }
7603 if (lun && lp) {
7604 if (ddi_strtol(lp, NULL, 0x10, &num)) {
7605 return (DDI_FAILURE);
7606 }
7607 *lun = (int)num;
7608 }
7609 return (DDI_SUCCESS); /* Success case */
7610 }
7611
7612 static int
7613 mrsas_config_ld(struct mrsas_instance *instance, uint16_t tgt,
7614 uint8_t lun, dev_info_t **ldip)
7615 {
7616 struct scsi_device *sd;
7617 dev_info_t *child;
7618 int rval;
7619
7620 con_log(CL_DLEVEL1, (CE_NOTE, "mrsas_config_ld: t = %d l = %d",
7621 tgt, lun));
7622
7623 if ((child = mrsas_find_child(instance, tgt, lun)) != NULL) {
7624 if (ldip) {
7625 *ldip = child;
7626 }
7627 if (instance->mr_ld_list[tgt].flag != MRDRV_TGT_VALID) {
7628 rval = mrsas_service_evt(instance, tgt, 0,
7629 MRSAS_EVT_UNCONFIG_TGT, NULL);
7630 con_log(CL_ANN1, (CE_WARN,
7631 "mr_sas: DELETING STALE ENTRY rval = %d "
7632 "tgt id = %d ", rval, tgt));
7633 return (NDI_FAILURE);
7634 }
7635 return (NDI_SUCCESS);
7636 }
7637
7638 sd = kmem_zalloc(sizeof (struct scsi_device), KM_SLEEP);
7639 sd->sd_address.a_hba_tran = instance->tran;
7640 sd->sd_address.a_target = (uint16_t)tgt;
7641 sd->sd_address.a_lun = (uint8_t)lun;
7642
7643 if (scsi_hba_probe(sd, NULL) == SCSIPROBE_EXISTS)
7644 rval = mrsas_config_scsi_device(instance, sd, ldip);
7645 else
7646 rval = NDI_FAILURE;
7647
7648 /* sd_unprobe is blank now. Free buffer manually */
7649 if (sd->sd_inq) {
7650 kmem_free(sd->sd_inq, SUN_INQSIZE);
7651 sd->sd_inq = (struct scsi_inquiry *)NULL;
7652 }
7653
7654 kmem_free(sd, sizeof (struct scsi_device));
7655 con_log(CL_DLEVEL1, (CE_NOTE, "mrsas_config_ld: return rval = %d",
7656 rval));
7657 return (rval);
7658 }
7659
7660 int
7661 mrsas_config_scsi_device(struct mrsas_instance *instance,
7662 struct scsi_device *sd, dev_info_t **dipp)
7663 {
7664 char *nodename = NULL;
7665 char **compatible = NULL;
7666 int ncompatible = 0;
7667 char *childname;
7668 dev_info_t *ldip = NULL;
7669 int tgt = sd->sd_address.a_target;
7670 int lun = sd->sd_address.a_lun;
7671 int dtype = sd->sd_inq->inq_dtype & DTYPE_MASK;
7672 int rval;
7673
7674 con_log(CL_DLEVEL1, (CE_NOTE, "mr_sas: scsi_device t%dL%d", tgt, lun));
7675 scsi_hba_nodename_compatible_get(sd->sd_inq, NULL, dtype,
7676 NULL, &nodename, &compatible, &ncompatible);
7677
7678 if (nodename == NULL) {
7679 con_log(CL_ANN1, (CE_WARN, "mr_sas: Found no compatible driver "
7680 "for t%dL%d", tgt, lun));
7681 rval = NDI_FAILURE;
7682 goto finish;
7683 }
7684
7685 childname = (dtype == DTYPE_DIRECT) ? "sd" : nodename;
7686 con_log(CL_DLEVEL1, (CE_NOTE,
7687 "mr_sas: Childname = %2s nodename = %s", childname, nodename));
7688
7689 /* Create a dev node */
7690 rval = ndi_devi_alloc(instance->dip, childname, DEVI_SID_NODEID, &ldip);
7691 con_log(CL_DLEVEL1, (CE_NOTE,
7692 "mr_sas_config_scsi_device: ndi_devi_alloc rval = %x", rval));
7693 if (rval == NDI_SUCCESS) {
7694 if (ndi_prop_update_int(DDI_DEV_T_NONE, ldip, "target", tgt) !=
7695 DDI_PROP_SUCCESS) {
7696 con_log(CL_ANN1, (CE_WARN, "mr_sas: unable to create "
7697 "property for t%dl%d target", tgt, lun));
7698 rval = NDI_FAILURE;
7699 goto finish;
7700 }
7701 if (ndi_prop_update_int(DDI_DEV_T_NONE, ldip, "lun", lun) !=
7702 DDI_PROP_SUCCESS) {
7703 con_log(CL_ANN1, (CE_WARN, "mr_sas: unable to create "
7704 "property for t%dl%d lun", tgt, lun));
7705 rval = NDI_FAILURE;
7706 goto finish;
7707 }
7708
7709 if (ndi_prop_update_string_array(DDI_DEV_T_NONE, ldip,
7710 "compatible", compatible, ncompatible) !=
7711 DDI_PROP_SUCCESS) {
7712 con_log(CL_ANN1, (CE_WARN, "mr_sas: unable to create "
7713 "property for t%dl%d compatible", tgt, lun));
7714 rval = NDI_FAILURE;
7715 goto finish;
7716 }
7717
7718 rval = ndi_devi_online(ldip, NDI_ONLINE_ATTACH);
7719 if (rval != NDI_SUCCESS) {
7720 con_log(CL_ANN1, (CE_WARN, "mr_sas: unable to online "
7721 "t%dl%d", tgt, lun));
7722 ndi_prop_remove_all(ldip);
7723 (void) ndi_devi_free(ldip);
7724 } else {
7725 con_log(CL_ANN1, (CE_CONT, "mr_sas: online Done :"
7726 "0 t%dl%d", tgt, lun));
7727 }
7728
7729 }
7730 finish:
7731 if (dipp) {
7732 *dipp = ldip;
7733 }
7734
7735 con_log(CL_DLEVEL1, (CE_NOTE,
7736 "mr_sas: config_scsi_device rval = %d t%dL%d",
7737 rval, tgt, lun));
7738 scsi_hba_nodename_compatible_free(nodename, compatible);
7739 return (rval);
7740 }
7741
7742 /*ARGSUSED*/
7743 int
7744 mrsas_service_evt(struct mrsas_instance *instance, int tgt, int lun, int event,
7745 uint64_t wwn)
7746 {
7747 struct mrsas_eventinfo *mrevt = NULL;
7748
7749 con_log(CL_ANN1, (CE_NOTE,
7750 "mrsas_service_evt called for t%dl%d event = %d",
7751 tgt, lun, event));
7752
7753 if ((instance->taskq == NULL) || (mrevt =
7754 kmem_zalloc(sizeof (struct mrsas_eventinfo), KM_NOSLEEP)) == NULL) {
7755 return (ENOMEM);
7756 }
7757
7758 mrevt->instance = instance;
7759 mrevt->tgt = tgt;
7760 mrevt->lun = lun;
7761 mrevt->event = event;
7762 mrevt->wwn = wwn;
7763
7764 if ((ddi_taskq_dispatch(instance->taskq,
7765 (void (*)(void *))mrsas_issue_evt_taskq, mrevt, DDI_NOSLEEP)) !=
7766 DDI_SUCCESS) {
7767 con_log(CL_ANN1, (CE_NOTE,
7768 "mr_sas: Event task failed for t%dl%d event = %d",
7769 tgt, lun, event));
7770 kmem_free(mrevt, sizeof (struct mrsas_eventinfo));
7771 return (DDI_FAILURE);
7772 }
7773 DTRACE_PROBE3(service_evt, int, tgt, int, lun, int, event);
7774 return (DDI_SUCCESS);
7775 }
7776
7777 static void
7778 mrsas_issue_evt_taskq(struct mrsas_eventinfo *mrevt)
7779 {
7780 struct mrsas_instance *instance = mrevt->instance;
7781 dev_info_t *dip, *pdip;
7782 int circ1 = 0;
7783 char *devname;
7784
7785 con_log(CL_ANN1, (CE_NOTE, "mrsas_issue_evt_taskq: called for"
7786 " tgt %d lun %d event %d",
7787 mrevt->tgt, mrevt->lun, mrevt->event));
7788
7789 if (mrevt->tgt < MRDRV_MAX_LD && mrevt->lun == 0) {
7790 mutex_enter(&instance->config_dev_mtx);
7791 dip = instance->mr_ld_list[mrevt->tgt].dip;
7792 mutex_exit(&instance->config_dev_mtx);
7793 #ifdef PDSUPPORT
7794 } else {
7795 mutex_enter(&instance->config_dev_mtx);
7796 dip = instance->mr_tbolt_pd_list[mrevt->tgt].dip;
7797 mutex_exit(&instance->config_dev_mtx);
7798 #endif
7799 }
7800
7801
7802 ndi_devi_enter(instance->dip, &circ1);
7803 switch (mrevt->event) {
7804 case MRSAS_EVT_CONFIG_TGT:
7805 if (dip == NULL) {
7806
7807 if (mrevt->lun == 0) {
7808 (void) mrsas_config_ld(instance, mrevt->tgt,
7809 0, NULL);
7810 #ifdef PDSUPPORT
7811 } else if (instance->tbolt || instance->skinny) {
7812 (void) mrsas_tbolt_config_pd(instance,
7813 mrevt->tgt,
7814 1, NULL);
7815 #endif
7816 }
7817 con_log(CL_ANN1, (CE_NOTE,
7818 "mr_sas: EVT_CONFIG_TGT called:"
7819 " for tgt %d lun %d event %d",
7820 mrevt->tgt, mrevt->lun, mrevt->event));
7821
7822 } else {
7823 con_log(CL_ANN1, (CE_NOTE,
7824 "mr_sas: EVT_CONFIG_TGT dip != NULL:"
7825 " for tgt %d lun %d event %d",
7826 mrevt->tgt, mrevt->lun, mrevt->event));
7827 }
7828 break;
7829 case MRSAS_EVT_UNCONFIG_TGT:
7830 if (dip) {
7831 if (i_ddi_devi_attached(dip)) {
7832
7833 pdip = ddi_get_parent(dip);
7834
7835 devname = kmem_zalloc(MAXNAMELEN + 1, KM_SLEEP);
7836 (void) ddi_deviname(dip, devname);
7837
7838 (void) devfs_clean(pdip, devname + 1,
7839 DV_CLEAN_FORCE);
7840 kmem_free(devname, MAXNAMELEN + 1);
7841 }
7842 (void) ndi_devi_offline(dip, NDI_DEVI_REMOVE);
7843 con_log(CL_ANN1, (CE_NOTE,
7844 "mr_sas: EVT_UNCONFIG_TGT called:"
7845 " for tgt %d lun %d event %d",
7846 mrevt->tgt, mrevt->lun, mrevt->event));
7847 } else {
7848 con_log(CL_ANN1, (CE_NOTE,
7849 "mr_sas: EVT_UNCONFIG_TGT dip == NULL:"
7850 " for tgt %d lun %d event %d",
7851 mrevt->tgt, mrevt->lun, mrevt->event));
7852 }
7853 break;
7854 }
7855 kmem_free(mrevt, sizeof (struct mrsas_eventinfo));
7856 ndi_devi_exit(instance->dip, circ1);
7857 }
7858
7859
7860 int
7861 mrsas_mode_sense_build(struct scsi_pkt *pkt)
7862 {
7863 union scsi_cdb *cdbp;
7864 uint16_t page_code;
7865 struct scsa_cmd *acmd;
7866 struct buf *bp;
7867 struct mode_header *modehdrp;
7868
7869 cdbp = (void *)pkt->pkt_cdbp;
7870 page_code = cdbp->cdb_un.sg.scsi[0];
7871 acmd = PKT2CMD(pkt);
7872 bp = acmd->cmd_buf;
7873 if ((!bp) && bp->b_un.b_addr && bp->b_bcount && acmd->cmd_dmacount) {
7874 con_log(CL_ANN1, (CE_WARN, "Failing MODESENSE Command"));
7875 /* ADD pkt statistics as Command failed. */
7876 return (NULL);
7877 }
7878
7879 bp_mapin(bp);
7880 bzero(bp->b_un.b_addr, bp->b_bcount);
7881
7882 switch (page_code) {
7883 case 0x3: {
7884 struct mode_format *page3p = NULL;
7885 modehdrp = (struct mode_header *)(bp->b_un.b_addr);
7886 modehdrp->bdesc_length = MODE_BLK_DESC_LENGTH;
7887
7888 page3p = (void *)((caddr_t)modehdrp +
7889 MODE_HEADER_LENGTH + MODE_BLK_DESC_LENGTH);
7890 page3p->mode_page.code = 0x3;
7891 page3p->mode_page.length =
7892 (uchar_t)(sizeof (struct mode_format));
7893 page3p->data_bytes_sect = 512;
7894 page3p->sect_track = 63;
7895 break;
7896 }
7897 case 0x4: {
7898 struct mode_geometry *page4p = NULL;
7899 modehdrp = (struct mode_header *)(bp->b_un.b_addr);
7900 modehdrp->bdesc_length = MODE_BLK_DESC_LENGTH;
7901
7902 page4p = (void *)((caddr_t)modehdrp +
7903 MODE_HEADER_LENGTH + MODE_BLK_DESC_LENGTH);
7904 page4p->mode_page.code = 0x4;
7905 page4p->mode_page.length =
7906 (uchar_t)(sizeof (struct mode_geometry));
7907 page4p->heads = 255;
7908 page4p->rpm = 10000;
7909 break;
7910 }
7911 default:
7912 break;
7913 }
7914 return (NULL);
7915 }