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, 2017 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_INVADER: 569 case PCI_DEVICE_ID_LSI_FURY: 570 case PCI_DEVICE_ID_LSI_INTRUDER: 571 case PCI_DEVICE_ID_LSI_INTRUDER_24: 572 case PCI_DEVICE_ID_LSI_CUTLASS_52: 573 case PCI_DEVICE_ID_LSI_CUTLASS_53: 574 dev_err(dip, CE_CONT, "?Gen3 device detected\n"); 575 instance->gen3 = 1; 576 /* FALLTHROUGH */ 577 case PCI_DEVICE_ID_LSI_TBOLT: 578 dev_err(dip, CE_CONT, "?TBOLT device detected\n"); 579 580 instance->func_ptr = 581 &mrsas_function_template_fusion; 582 instance->tbolt = 1; 583 break; 584 585 case PCI_DEVICE_ID_LSI_SKINNY: 586 case PCI_DEVICE_ID_LSI_SKINNY_NEW: 587 /* 588 * FALLTHRU to PPC-style functions, but mark this 589 * instance as Skinny, because the register set is 590 * slightly different (See WR_IB_PICK_QPORT), and 591 * certain other features are available to a Skinny 592 * HBA. 593 */ 594 dev_err(dip, CE_CONT, "?Skinny device detected\n"); 595 instance->skinny = 1; 596 /* FALLTHRU */ 597 598 case PCI_DEVICE_ID_LSI_2108VDE: 599 case PCI_DEVICE_ID_LSI_2108V: 600 dev_err(dip, CE_CONT, 601 "?2108 Liberator device detected\n"); 602 603 instance->func_ptr = 604 &mrsas_function_template_ppc; 605 break; 606 607 default: 608 dev_err(dip, CE_WARN, "Invalid device detected"); 609 610 pci_config_teardown(&instance->pci_handle); 611 ddi_soft_state_free(mrsas_state, instance_no); 612 return (DDI_FAILURE); 613 } 614 615 instance->baseaddress = pci_config_get32( 616 instance->pci_handle, PCI_CONF_BASE0); 617 instance->baseaddress &= 0x0fffc; 618 619 instance->dip = dip; 620 instance->vendor_id = vendor_id; 621 instance->device_id = device_id; 622 instance->subsysvid = subsysvid; 623 instance->subsysid = subsysid; 624 instance->instance = instance_no; 625 626 /* Initialize FMA */ 627 instance->fm_capabilities = ddi_prop_get_int( 628 DDI_DEV_T_ANY, instance->dip, DDI_PROP_DONTPASS, 629 "fm-capable", DDI_FM_EREPORT_CAPABLE | 630 DDI_FM_ACCCHK_CAPABLE | DDI_FM_DMACHK_CAPABLE 631 | DDI_FM_ERRCB_CAPABLE); 632 633 mrsas_fm_init(instance); 634 635 /* Setup register map */ 636 if ((ddi_dev_regsize(instance->dip, 637 REGISTER_SET_IO_2108, ®length) != DDI_SUCCESS) || 638 reglength < MINIMUM_MFI_MEM_SZ) { 639 goto fail_attach; 640 } 641 if (reglength > DEFAULT_MFI_MEM_SZ) { 642 reglength = DEFAULT_MFI_MEM_SZ; 643 con_log(CL_DLEVEL1, (CE_NOTE, 644 "mr_sas: register length to map is 0x%lx bytes", 645 reglength)); 646 } 647 if (ddi_regs_map_setup(instance->dip, 648 REGISTER_SET_IO_2108, &instance->regmap, 0, 649 reglength, &endian_attr, &instance->regmap_handle) 650 != DDI_SUCCESS) { 651 dev_err(dip, CE_WARN, "couldn't map control registers"); 652 goto fail_attach; 653 } 654 655 instance->unroll.regs = 1; 656 657 /* 658 * Disable Interrupt Now. 659 * Setup Software interrupt 660 */ 661 instance->func_ptr->disable_intr(instance); 662 663 if (ddi_prop_lookup_string(DDI_DEV_T_ANY, dip, 0, 664 "mrsas-enable-msi", &data) == DDI_SUCCESS) { 665 if (strncmp(data, "no", 3) == 0) { 666 msi_enable = 0; 667 con_log(CL_ANN1, (CE_WARN, 668 "msi_enable = %d disabled", msi_enable)); 669 } 670 ddi_prop_free(data); 671 } 672 673 dev_err(dip, CE_CONT, "?msi_enable = %d\n", msi_enable); 674 675 if (ddi_prop_lookup_string(DDI_DEV_T_ANY, dip, 0, 676 "mrsas-enable-fp", &data) == DDI_SUCCESS) { 677 if (strncmp(data, "no", 3) == 0) { 678 enable_fp = 0; 679 dev_err(dip, CE_NOTE, 680 "enable_fp = %d, Fast-Path disabled.\n", 681 enable_fp); 682 } 683 684 ddi_prop_free(data); 685 } 686 687 dev_err(dip, CE_CONT, "?enable_fp = %d\n", enable_fp); 688 689 /* Check for all supported interrupt types */ 690 if (ddi_intr_get_supported_types( 691 dip, &intr_types) != DDI_SUCCESS) { 692 dev_err(dip, CE_WARN, 693 "ddi_intr_get_supported_types() failed"); 694 goto fail_attach; 695 } 696 697 con_log(CL_DLEVEL1, (CE_NOTE, 698 "ddi_intr_get_supported_types() ret: 0x%x", intr_types)); 699 700 /* Initialize and Setup Interrupt handler */ 701 if (msi_enable && (intr_types & DDI_INTR_TYPE_MSIX)) { 702 if (mrsas_add_intrs(instance, DDI_INTR_TYPE_MSIX) != 703 DDI_SUCCESS) { 704 dev_err(dip, CE_WARN, 705 "MSIX interrupt query failed"); 706 goto fail_attach; 707 } 708 instance->intr_type = DDI_INTR_TYPE_MSIX; 709 } else if (msi_enable && (intr_types & DDI_INTR_TYPE_MSI)) { 710 if (mrsas_add_intrs(instance, DDI_INTR_TYPE_MSI) != 711 DDI_SUCCESS) { 712 dev_err(dip, CE_WARN, 713 "MSI interrupt query failed"); 714 goto fail_attach; 715 } 716 instance->intr_type = DDI_INTR_TYPE_MSI; 717 } else if (intr_types & DDI_INTR_TYPE_FIXED) { 718 msi_enable = 0; 719 if (mrsas_add_intrs(instance, DDI_INTR_TYPE_FIXED) != 720 DDI_SUCCESS) { 721 dev_err(dip, CE_WARN, 722 "FIXED interrupt query failed"); 723 goto fail_attach; 724 } 725 instance->intr_type = DDI_INTR_TYPE_FIXED; 726 } else { 727 dev_err(dip, CE_WARN, "Device cannot " 728 "suppport either FIXED or MSI/X " 729 "interrupts"); 730 goto fail_attach; 731 } 732 733 instance->unroll.intr = 1; 734 735 if (ddi_prop_lookup_string(DDI_DEV_T_ANY, dip, 0, 736 "mrsas-enable-ctio", &data) == DDI_SUCCESS) { 737 if (strncmp(data, "no", 3) == 0) { 738 ctio_enable = 0; 739 con_log(CL_ANN1, (CE_WARN, 740 "ctio_enable = %d disabled", ctio_enable)); 741 } 742 ddi_prop_free(data); 743 } 744 745 dev_err(dip, CE_CONT, "?ctio_enable = %d\n", ctio_enable); 746 747 /* setup the mfi based low level driver */ 748 if (mrsas_init_adapter(instance) != DDI_SUCCESS) { 749 dev_err(dip, CE_WARN, 750 "could not initialize the low level driver"); 751 752 goto fail_attach; 753 } 754 755 /* Initialize all Mutex */ 756 INIT_LIST_HEAD(&instance->completed_pool_list); 757 mutex_init(&instance->completed_pool_mtx, NULL, 758 MUTEX_DRIVER, DDI_INTR_PRI(instance->intr_pri)); 759 760 mutex_init(&instance->sync_map_mtx, NULL, 761 MUTEX_DRIVER, DDI_INTR_PRI(instance->intr_pri)); 762 763 mutex_init(&instance->app_cmd_pool_mtx, NULL, 764 MUTEX_DRIVER, DDI_INTR_PRI(instance->intr_pri)); 765 766 mutex_init(&instance->config_dev_mtx, NULL, 767 MUTEX_DRIVER, DDI_INTR_PRI(instance->intr_pri)); 768 769 mutex_init(&instance->cmd_pend_mtx, NULL, 770 MUTEX_DRIVER, DDI_INTR_PRI(instance->intr_pri)); 771 772 mutex_init(&instance->ocr_flags_mtx, NULL, 773 MUTEX_DRIVER, DDI_INTR_PRI(instance->intr_pri)); 774 775 mutex_init(&instance->int_cmd_mtx, NULL, 776 MUTEX_DRIVER, DDI_INTR_PRI(instance->intr_pri)); 777 cv_init(&instance->int_cmd_cv, NULL, CV_DRIVER, NULL); 778 779 mutex_init(&instance->cmd_pool_mtx, NULL, 780 MUTEX_DRIVER, DDI_INTR_PRI(instance->intr_pri)); 781 782 mutex_init(&instance->reg_write_mtx, NULL, 783 MUTEX_DRIVER, DDI_INTR_PRI(instance->intr_pri)); 784 785 if (instance->tbolt) { 786 mutex_init(&instance->cmd_app_pool_mtx, NULL, 787 MUTEX_DRIVER, DDI_INTR_PRI(instance->intr_pri)); 788 789 mutex_init(&instance->chip_mtx, NULL, 790 MUTEX_DRIVER, DDI_INTR_PRI(instance->intr_pri)); 791 792 } 793 794 instance->unroll.mutexs = 1; 795 796 instance->timeout_id = (timeout_id_t)-1; 797 798 /* Register our soft-isr for highlevel interrupts. */ 799 instance->isr_level = instance->intr_pri; 800 if (!(instance->tbolt)) { 801 if (instance->isr_level == HIGH_LEVEL_INTR) { 802 if (ddi_add_softintr(dip, 803 DDI_SOFTINT_HIGH, 804 &instance->soft_intr_id, NULL, NULL, 805 mrsas_softintr, (caddr_t)instance) != 806 DDI_SUCCESS) { 807 dev_err(dip, CE_WARN, 808 "Software ISR did not register"); 809 810 goto fail_attach; 811 } 812 813 instance->unroll.soft_isr = 1; 814 815 } 816 } 817 818 instance->softint_running = 0; 819 820 /* Allocate a transport structure */ 821 tran = scsi_hba_tran_alloc(dip, SCSI_HBA_CANSLEEP); 822 823 if (tran == NULL) { 824 dev_err(dip, CE_WARN, 825 "scsi_hba_tran_alloc failed"); 826 goto fail_attach; 827 } 828 829 instance->tran = tran; 830 instance->unroll.tran = 1; 831 832 tran->tran_hba_private = instance; 833 tran->tran_tgt_init = mrsas_tran_tgt_init; 834 tran->tran_tgt_probe = scsi_hba_probe; 835 tran->tran_tgt_free = mrsas_tran_tgt_free; 836 tran->tran_init_pkt = mrsas_tran_init_pkt; 837 if (instance->tbolt) 838 tran->tran_start = mrsas_tbolt_tran_start; 839 else 840 tran->tran_start = mrsas_tran_start; 841 tran->tran_abort = mrsas_tran_abort; 842 tran->tran_reset = mrsas_tran_reset; 843 tran->tran_getcap = mrsas_tran_getcap; 844 tran->tran_setcap = mrsas_tran_setcap; 845 tran->tran_destroy_pkt = mrsas_tran_destroy_pkt; 846 tran->tran_dmafree = mrsas_tran_dmafree; 847 tran->tran_sync_pkt = mrsas_tran_sync_pkt; 848 tran->tran_quiesce = mrsas_tran_quiesce; 849 tran->tran_unquiesce = mrsas_tran_unquiesce; 850 tran->tran_bus_config = mrsas_tran_bus_config; 851 852 if (mrsas_relaxed_ordering) 853 mrsas_generic_dma_attr.dma_attr_flags |= 854 DDI_DMA_RELAXED_ORDERING; 855 856 857 tran_dma_attr = mrsas_generic_dma_attr; 858 tran_dma_attr.dma_attr_sgllen = instance->max_num_sge; 859 860 /* Attach this instance of the hba */ 861 if (scsi_hba_attach_setup(dip, &tran_dma_attr, tran, 0) 862 != DDI_SUCCESS) { 863 dev_err(dip, CE_WARN, 864 "scsi_hba_attach failed"); 865 866 goto fail_attach; 867 } 868 instance->unroll.tranSetup = 1; 869 con_log(CL_ANN1, 870 (CE_CONT, "scsi_hba_attach_setup() done.")); 871 872 /* create devctl node for cfgadm command */ 873 if (ddi_create_minor_node(dip, "devctl", 874 S_IFCHR, INST2DEVCTL(instance_no), 875 DDI_NT_SCSI_NEXUS, 0) == DDI_FAILURE) { 876 dev_err(dip, CE_WARN, "failed to create devctl node."); 877 878 goto fail_attach; 879 } 880 881 instance->unroll.devctl = 1; 882 883 /* create scsi node for cfgadm command */ 884 if (ddi_create_minor_node(dip, "scsi", S_IFCHR, 885 INST2SCSI(instance_no), DDI_NT_SCSI_ATTACHMENT_POINT, 0) == 886 DDI_FAILURE) { 887 dev_err(dip, CE_WARN, "failed to create scsi node."); 888 889 goto fail_attach; 890 } 891 892 instance->unroll.scsictl = 1; 893 894 (void) snprintf(instance->iocnode, sizeof (instance->iocnode), 895 "%d:lsirdctl", instance_no); 896 897 /* 898 * Create a node for applications 899 * for issuing ioctl to the driver. 900 */ 901 if (ddi_create_minor_node(dip, instance->iocnode, 902 S_IFCHR, INST2LSIRDCTL(instance_no), DDI_PSEUDO, 0) == 903 DDI_FAILURE) { 904 dev_err(dip, CE_WARN, "failed to create ioctl node."); 905 906 goto fail_attach; 907 } 908 909 instance->unroll.ioctl = 1; 910 911 /* Create a taskq to handle dr events */ 912 if ((instance->taskq = ddi_taskq_create(dip, 913 "mrsas_dr_taskq", 1, TASKQ_DEFAULTPRI, 0)) == NULL) { 914 dev_err(dip, CE_WARN, "failed to create taskq."); 915 instance->taskq = NULL; 916 goto fail_attach; 917 } 918 instance->unroll.taskq = 1; 919 con_log(CL_ANN1, (CE_CONT, "ddi_taskq_create() done.")); 920 921 /* enable interrupt */ 922 instance->func_ptr->enable_intr(instance); 923 924 /* initiate AEN */ 925 if (start_mfi_aen(instance)) { 926 dev_err(dip, CE_WARN, "failed to initiate AEN."); 927 goto fail_attach; 928 } 929 instance->unroll.aenPend = 1; 930 con_log(CL_ANN1, 931 (CE_CONT, "AEN started for instance %d.", instance_no)); 932 933 /* Finally! We are on the air. */ 934 ddi_report_dev(dip); 935 936 /* FMA handle checking. */ 937 if (mrsas_check_acc_handle(instance->regmap_handle) != 938 DDI_SUCCESS) { 939 goto fail_attach; 940 } 941 if (mrsas_check_acc_handle(instance->pci_handle) != 942 DDI_SUCCESS) { 943 goto fail_attach; 944 } 945 946 instance->mr_ld_list = 947 kmem_zalloc(MRDRV_MAX_LD * sizeof (struct mrsas_ld), 948 KM_SLEEP); 949 instance->unroll.ldlist_buff = 1; 950 951 if (instance->tbolt || instance->skinny) { 952 instance->mr_tbolt_pd_max = MRSAS_TBOLT_PD_TGT_MAX; 953 instance->mr_tbolt_pd_list = 954 kmem_zalloc(MRSAS_TBOLT_GET_PD_MAX(instance) * 955 sizeof (struct mrsas_tbolt_pd), KM_SLEEP); 956 ASSERT(instance->mr_tbolt_pd_list); 957 for (i = 0; i < instance->mr_tbolt_pd_max; i++) { 958 instance->mr_tbolt_pd_list[i].lun_type = 959 MRSAS_TBOLT_PD_LUN; 960 instance->mr_tbolt_pd_list[i].dev_id = 961 (uint8_t)i; 962 } 963 964 instance->unroll.pdlist_buff = 1; 965 } 966 break; 967 case DDI_PM_RESUME: 968 con_log(CL_ANN, (CE_NOTE, "mr_sas: DDI_PM_RESUME")); 969 break; 970 case DDI_RESUME: 971 con_log(CL_ANN, (CE_NOTE, "mr_sas: DDI_RESUME")); 972 break; 973 default: 974 con_log(CL_ANN, 975 (CE_WARN, "mr_sas: invalid attach cmd=%x", cmd)); 976 return (DDI_FAILURE); 977 } 978 979 980 con_log(CL_DLEVEL1, 981 (CE_NOTE, "mrsas_attach() return SUCCESS instance_num %d", 982 instance_no)); 983 return (DDI_SUCCESS); 984 985 fail_attach: 986 987 mrsas_undo_resources(dip, instance); 988 989 mrsas_fm_ereport(instance, DDI_FM_DEVICE_NO_RESPONSE); 990 ddi_fm_service_impact(instance->dip, DDI_SERVICE_LOST); 991 992 mrsas_fm_fini(instance); 993 994 pci_config_teardown(&instance->pci_handle); 995 ddi_soft_state_free(mrsas_state, instance_no); 996 997 return (DDI_FAILURE); 998 } 999 1000 /* 1001 * getinfo - gets device information 1002 * @dip: 1003 * @cmd: 1004 * @arg: 1005 * @resultp: 1006 * 1007 * The system calls getinfo() to obtain configuration information that only 1008 * the driver knows. The mapping of minor numbers to device instance is 1009 * entirely under the control of the driver. The system sometimes needs to ask 1010 * the driver which device a particular dev_t represents. 1011 * Given the device number return the devinfo pointer from the scsi_device 1012 * structure. 1013 */ 1014 /*ARGSUSED*/ 1015 static int 1016 mrsas_getinfo(dev_info_t *dip, ddi_info_cmd_t cmd, void *arg, void **resultp) 1017 { 1018 int rval; 1019 int mrsas_minor = getminor((dev_t)arg); 1020 1021 struct mrsas_instance *instance; 1022 1023 con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__)); 1024 1025 switch (cmd) { 1026 case DDI_INFO_DEVT2DEVINFO: 1027 instance = (struct mrsas_instance *) 1028 ddi_get_soft_state(mrsas_state, 1029 MINOR2INST(mrsas_minor)); 1030 1031 if (instance == NULL) { 1032 *resultp = NULL; 1033 rval = DDI_FAILURE; 1034 } else { 1035 *resultp = instance->dip; 1036 rval = DDI_SUCCESS; 1037 } 1038 break; 1039 case DDI_INFO_DEVT2INSTANCE: 1040 *resultp = (void *)(intptr_t) 1041 (MINOR2INST(getminor((dev_t)arg))); 1042 rval = DDI_SUCCESS; 1043 break; 1044 default: 1045 *resultp = NULL; 1046 rval = DDI_FAILURE; 1047 } 1048 1049 return (rval); 1050 } 1051 1052 /* 1053 * detach - detaches a device from the system 1054 * @dip: pointer to the device's dev_info structure 1055 * @cmd: type of detach 1056 * 1057 * A driver's detach() entry point is called to detach an instance of a device 1058 * that is bound to the driver. The entry point is called with the instance of 1059 * the device node to be detached and with DDI_DETACH, which is specified as 1060 * the cmd argument to the entry point. 1061 * This routine is called during driver unload. We free all the allocated 1062 * resources and call the corresponding LLD so that it can also release all 1063 * its resources. 1064 */ 1065 static int 1066 mrsas_detach(dev_info_t *dip, ddi_detach_cmd_t cmd) 1067 { 1068 int instance_no; 1069 1070 struct mrsas_instance *instance; 1071 1072 con_log(CL_ANN, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__)); 1073 1074 1075 /* CONSTCOND */ 1076 ASSERT(NO_COMPETING_THREADS); 1077 1078 instance_no = ddi_get_instance(dip); 1079 1080 instance = (struct mrsas_instance *)ddi_get_soft_state(mrsas_state, 1081 instance_no); 1082 1083 if (!instance) { 1084 dev_err(dip, CE_WARN, "could not get instance in detach"); 1085 1086 return (DDI_FAILURE); 1087 } 1088 1089 switch (cmd) { 1090 case DDI_DETACH: 1091 con_log(CL_ANN, (CE_NOTE, 1092 "mrsas_detach: DDI_DETACH")); 1093 1094 mutex_enter(&instance->config_dev_mtx); 1095 if (instance->timeout_id != (timeout_id_t)-1) { 1096 mutex_exit(&instance->config_dev_mtx); 1097 (void) untimeout(instance->timeout_id); 1098 instance->timeout_id = (timeout_id_t)-1; 1099 mutex_enter(&instance->config_dev_mtx); 1100 instance->unroll.timer = 0; 1101 } 1102 mutex_exit(&instance->config_dev_mtx); 1103 1104 if (instance->unroll.tranSetup == 1) { 1105 if (scsi_hba_detach(dip) != DDI_SUCCESS) { 1106 dev_err(dip, CE_WARN, 1107 "failed to detach"); 1108 return (DDI_FAILURE); 1109 } 1110 instance->unroll.tranSetup = 0; 1111 con_log(CL_ANN1, 1112 (CE_CONT, "scsi_hba_dettach() done.")); 1113 } 1114 1115 flush_cache(instance); 1116 1117 mrsas_undo_resources(dip, instance); 1118 1119 mrsas_fm_fini(instance); 1120 1121 pci_config_teardown(&instance->pci_handle); 1122 ddi_soft_state_free(mrsas_state, instance_no); 1123 break; 1124 1125 case DDI_PM_SUSPEND: 1126 con_log(CL_ANN, (CE_NOTE, 1127 "mrsas_detach: DDI_PM_SUSPEND")); 1128 1129 break; 1130 case DDI_SUSPEND: 1131 con_log(CL_ANN, (CE_NOTE, 1132 "mrsas_detach: DDI_SUSPEND")); 1133 1134 break; 1135 default: 1136 con_log(CL_ANN, (CE_WARN, 1137 "invalid detach command:0x%x", cmd)); 1138 return (DDI_FAILURE); 1139 } 1140 1141 return (DDI_SUCCESS); 1142 } 1143 1144 1145 static void 1146 mrsas_undo_resources(dev_info_t *dip, struct mrsas_instance *instance) 1147 { 1148 con_log(CL_ANN, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__)); 1149 1150 if (instance->unroll.ioctl == 1) { 1151 ddi_remove_minor_node(dip, instance->iocnode); 1152 instance->unroll.ioctl = 0; 1153 } 1154 1155 if (instance->unroll.scsictl == 1) { 1156 ddi_remove_minor_node(dip, "scsi"); 1157 instance->unroll.scsictl = 0; 1158 } 1159 1160 if (instance->unroll.devctl == 1) { 1161 ddi_remove_minor_node(dip, "devctl"); 1162 instance->unroll.devctl = 0; 1163 } 1164 1165 if (instance->unroll.tranSetup == 1) { 1166 if (scsi_hba_detach(dip) != DDI_SUCCESS) { 1167 dev_err(dip, CE_WARN, "failed to detach"); 1168 return; /* DDI_FAILURE */ 1169 } 1170 instance->unroll.tranSetup = 0; 1171 con_log(CL_ANN1, (CE_CONT, "scsi_hba_dettach() done.")); 1172 } 1173 1174 if (instance->unroll.tran == 1) { 1175 scsi_hba_tran_free(instance->tran); 1176 instance->unroll.tran = 0; 1177 con_log(CL_ANN1, (CE_CONT, "scsi_hba_tran_free() done.")); 1178 } 1179 1180 if (instance->unroll.syncCmd == 1) { 1181 if (instance->tbolt) { 1182 if (abort_syncmap_cmd(instance, 1183 instance->map_update_cmd)) { 1184 dev_err(dip, CE_WARN, "mrsas_detach: " 1185 "failed to abort previous syncmap command"); 1186 } 1187 1188 instance->unroll.syncCmd = 0; 1189 con_log(CL_ANN1, (CE_CONT, "sync cmd aborted, done.")); 1190 } 1191 } 1192 1193 if (instance->unroll.aenPend == 1) { 1194 if (abort_aen_cmd(instance, instance->aen_cmd)) 1195 dev_err(dip, CE_WARN, "mrsas_detach: " 1196 "failed to abort prevous AEN command"); 1197 1198 instance->unroll.aenPend = 0; 1199 con_log(CL_ANN1, (CE_CONT, "aen cmd aborted, done.")); 1200 /* This means the controller is fully initialized and running */ 1201 /* Shutdown should be a last command to controller. */ 1202 /* shutdown_controller(); */ 1203 } 1204 1205 1206 if (instance->unroll.timer == 1) { 1207 if (instance->timeout_id != (timeout_id_t)-1) { 1208 (void) untimeout(instance->timeout_id); 1209 instance->timeout_id = (timeout_id_t)-1; 1210 1211 instance->unroll.timer = 0; 1212 } 1213 } 1214 1215 instance->func_ptr->disable_intr(instance); 1216 1217 1218 if (instance->unroll.mutexs == 1) { 1219 mutex_destroy(&instance->cmd_pool_mtx); 1220 mutex_destroy(&instance->app_cmd_pool_mtx); 1221 mutex_destroy(&instance->cmd_pend_mtx); 1222 mutex_destroy(&instance->completed_pool_mtx); 1223 mutex_destroy(&instance->sync_map_mtx); 1224 mutex_destroy(&instance->int_cmd_mtx); 1225 cv_destroy(&instance->int_cmd_cv); 1226 mutex_destroy(&instance->config_dev_mtx); 1227 mutex_destroy(&instance->ocr_flags_mtx); 1228 mutex_destroy(&instance->reg_write_mtx); 1229 1230 if (instance->tbolt) { 1231 mutex_destroy(&instance->cmd_app_pool_mtx); 1232 mutex_destroy(&instance->chip_mtx); 1233 } 1234 1235 instance->unroll.mutexs = 0; 1236 con_log(CL_ANN1, (CE_CONT, "Destroy mutex & cv, done.")); 1237 } 1238 1239 1240 if (instance->unroll.soft_isr == 1) { 1241 ddi_remove_softintr(instance->soft_intr_id); 1242 instance->unroll.soft_isr = 0; 1243 } 1244 1245 if (instance->unroll.intr == 1) { 1246 mrsas_rem_intrs(instance); 1247 instance->unroll.intr = 0; 1248 } 1249 1250 1251 if (instance->unroll.taskq == 1) { 1252 if (instance->taskq) { 1253 ddi_taskq_destroy(instance->taskq); 1254 instance->unroll.taskq = 0; 1255 } 1256 1257 } 1258 1259 /* 1260 * free dma memory allocated for 1261 * cmds/frames/queues/driver version etc 1262 */ 1263 if (instance->unroll.verBuff == 1) { 1264 (void) mrsas_free_dma_obj(instance, instance->drv_ver_dma_obj); 1265 instance->unroll.verBuff = 0; 1266 } 1267 1268 if (instance->unroll.pdlist_buff == 1) { 1269 if (instance->mr_tbolt_pd_list != NULL) { 1270 kmem_free(instance->mr_tbolt_pd_list, 1271 MRSAS_TBOLT_GET_PD_MAX(instance) * 1272 sizeof (struct mrsas_tbolt_pd)); 1273 } 1274 1275 instance->mr_tbolt_pd_list = NULL; 1276 instance->unroll.pdlist_buff = 0; 1277 } 1278 1279 if (instance->unroll.ldlist_buff == 1) { 1280 if (instance->mr_ld_list != NULL) { 1281 kmem_free(instance->mr_ld_list, MRDRV_MAX_LD 1282 * sizeof (struct mrsas_ld)); 1283 } 1284 1285 instance->mr_ld_list = NULL; 1286 instance->unroll.ldlist_buff = 0; 1287 } 1288 1289 if (instance->tbolt) { 1290 if (instance->unroll.alloc_space_mpi2 == 1) { 1291 free_space_for_mpi2(instance); 1292 instance->unroll.alloc_space_mpi2 = 0; 1293 } 1294 } else { 1295 if (instance->unroll.alloc_space_mfi == 1) { 1296 free_space_for_mfi(instance); 1297 instance->unroll.alloc_space_mfi = 0; 1298 } 1299 } 1300 1301 if (instance->unroll.regs == 1) { 1302 ddi_regs_map_free(&instance->regmap_handle); 1303 instance->unroll.regs = 0; 1304 con_log(CL_ANN1, (CE_CONT, "ddi_regs_map_free() done.")); 1305 } 1306 } 1307 1308 1309 1310 /* 1311 * ************************************************************************** * 1312 * * 1313 * common entry points - for character driver types * 1314 * * 1315 * ************************************************************************** * 1316 */ 1317 /* 1318 * open - gets access to a device 1319 * @dev: 1320 * @openflags: 1321 * @otyp: 1322 * @credp: 1323 * 1324 * Access to a device by one or more application programs is controlled 1325 * through the open() and close() entry points. The primary function of 1326 * open() is to verify that the open request is allowed. 1327 */ 1328 static int 1329 mrsas_open(dev_t *dev, int openflags, int otyp, cred_t *credp) 1330 { 1331 int rval = 0; 1332 1333 con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__)); 1334 1335 /* Check root permissions */ 1336 if (drv_priv(credp) != 0) { 1337 con_log(CL_ANN, (CE_WARN, 1338 "mr_sas: Non-root ioctl access denied!")); 1339 return (EPERM); 1340 } 1341 1342 /* Verify we are being opened as a character device */ 1343 if (otyp != OTYP_CHR) { 1344 con_log(CL_ANN, (CE_WARN, 1345 "mr_sas: ioctl node must be a char node")); 1346 return (EINVAL); 1347 } 1348 1349 if (ddi_get_soft_state(mrsas_state, MINOR2INST(getminor(*dev))) 1350 == NULL) { 1351 return (ENXIO); 1352 } 1353 1354 if (scsi_hba_open) { 1355 rval = scsi_hba_open(dev, openflags, otyp, credp); 1356 } 1357 1358 return (rval); 1359 } 1360 1361 /* 1362 * close - gives up access to a device 1363 * @dev: 1364 * @openflags: 1365 * @otyp: 1366 * @credp: 1367 * 1368 * close() should perform any cleanup necessary to finish using the minor 1369 * device, and prepare the device (and driver) to be opened again. 1370 */ 1371 static int 1372 mrsas_close(dev_t dev, int openflags, int otyp, cred_t *credp) 1373 { 1374 int rval = 0; 1375 1376 con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__)); 1377 1378 /* no need for locks! */ 1379 1380 if (scsi_hba_close) { 1381 rval = scsi_hba_close(dev, openflags, otyp, credp); 1382 } 1383 1384 return (rval); 1385 } 1386 1387 /* 1388 * ioctl - performs a range of I/O commands for character drivers 1389 * @dev: 1390 * @cmd: 1391 * @arg: 1392 * @mode: 1393 * @credp: 1394 * @rvalp: 1395 * 1396 * ioctl() routine must make sure that user data is copied into or out of the 1397 * kernel address space explicitly using copyin(), copyout(), ddi_copyin(), 1398 * and ddi_copyout(), as appropriate. 1399 * This is a wrapper routine to serialize access to the actual ioctl routine. 1400 * ioctl() should return 0 on success, or the appropriate error number. The 1401 * driver may also set the value returned to the calling process through rvalp. 1402 */ 1403 1404 static int 1405 mrsas_ioctl(dev_t dev, int cmd, intptr_t arg, int mode, cred_t *credp, 1406 int *rvalp) 1407 { 1408 int rval = 0; 1409 1410 struct mrsas_instance *instance; 1411 struct mrsas_ioctl *ioctl; 1412 struct mrsas_aen aen; 1413 con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__)); 1414 1415 instance = ddi_get_soft_state(mrsas_state, MINOR2INST(getminor(dev))); 1416 1417 if (instance == NULL) { 1418 /* invalid minor number */ 1419 con_log(CL_ANN, (CE_WARN, "mr_sas: adapter not found.")); 1420 return (ENXIO); 1421 } 1422 1423 ioctl = (struct mrsas_ioctl *)kmem_zalloc(sizeof (struct mrsas_ioctl), 1424 KM_SLEEP); 1425 ASSERT(ioctl); 1426 1427 switch ((uint_t)cmd) { 1428 case MRSAS_IOCTL_FIRMWARE: 1429 if (ddi_copyin((void *)arg, ioctl, 1430 sizeof (struct mrsas_ioctl), mode)) { 1431 con_log(CL_ANN, (CE_WARN, "mrsas_ioctl: " 1432 "ERROR IOCTL copyin")); 1433 kmem_free(ioctl, sizeof (struct mrsas_ioctl)); 1434 return (EFAULT); 1435 } 1436 1437 if (ioctl->control_code == MRSAS_DRIVER_IOCTL_COMMON) { 1438 rval = handle_drv_ioctl(instance, ioctl, mode); 1439 } else { 1440 rval = handle_mfi_ioctl(instance, ioctl, mode); 1441 } 1442 1443 if (ddi_copyout((void *)ioctl, (void *)arg, 1444 (sizeof (struct mrsas_ioctl) - 1), mode)) { 1445 con_log(CL_ANN, (CE_WARN, 1446 "mrsas_ioctl: copy_to_user failed")); 1447 rval = 1; 1448 } 1449 1450 break; 1451 case MRSAS_IOCTL_AEN: 1452 if (ddi_copyin((void *) arg, &aen, 1453 sizeof (struct mrsas_aen), mode)) { 1454 con_log(CL_ANN, (CE_WARN, 1455 "mrsas_ioctl: ERROR AEN copyin")); 1456 kmem_free(ioctl, sizeof (struct mrsas_ioctl)); 1457 return (EFAULT); 1458 } 1459 1460 rval = handle_mfi_aen(instance, &aen); 1461 1462 if (ddi_copyout((void *) &aen, (void *)arg, 1463 sizeof (struct mrsas_aen), mode)) { 1464 con_log(CL_ANN, (CE_WARN, 1465 "mrsas_ioctl: copy_to_user failed")); 1466 rval = 1; 1467 } 1468 1469 break; 1470 default: 1471 rval = scsi_hba_ioctl(dev, cmd, arg, 1472 mode, credp, rvalp); 1473 1474 con_log(CL_DLEVEL1, (CE_NOTE, "mrsas_ioctl: " 1475 "scsi_hba_ioctl called, ret = %x.", rval)); 1476 } 1477 1478 kmem_free(ioctl, sizeof (struct mrsas_ioctl)); 1479 return (rval); 1480 } 1481 1482 /* 1483 * ************************************************************************** * 1484 * * 1485 * common entry points - for block driver types * 1486 * * 1487 * ************************************************************************** * 1488 */ 1489 #ifdef __sparc 1490 /* 1491 * reset - TBD 1492 * @dip: 1493 * @cmd: 1494 * 1495 * TBD 1496 */ 1497 /*ARGSUSED*/ 1498 static int 1499 mrsas_reset(dev_info_t *dip, ddi_reset_cmd_t cmd) 1500 { 1501 int instance_no; 1502 1503 struct mrsas_instance *instance; 1504 1505 instance_no = ddi_get_instance(dip); 1506 instance = (struct mrsas_instance *)ddi_get_soft_state 1507 (mrsas_state, instance_no); 1508 1509 con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__)); 1510 1511 if (!instance) { 1512 con_log(CL_ANN, (CE_WARN, "mr_sas:%d could not get adapter " 1513 "in reset", instance_no)); 1514 return (DDI_FAILURE); 1515 } 1516 1517 instance->func_ptr->disable_intr(instance); 1518 1519 con_log(CL_ANN1, (CE_CONT, "flushing cache for instance %d", 1520 instance_no)); 1521 1522 flush_cache(instance); 1523 1524 return (DDI_SUCCESS); 1525 } 1526 #else /* __sparc */ 1527 /*ARGSUSED*/ 1528 static int 1529 mrsas_quiesce(dev_info_t *dip) 1530 { 1531 int instance_no; 1532 1533 struct mrsas_instance *instance; 1534 1535 instance_no = ddi_get_instance(dip); 1536 instance = (struct mrsas_instance *)ddi_get_soft_state 1537 (mrsas_state, instance_no); 1538 1539 con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__)); 1540 1541 if (!instance) { 1542 con_log(CL_ANN1, (CE_WARN, "mr_sas:%d could not get adapter " 1543 "in quiesce", instance_no)); 1544 return (DDI_FAILURE); 1545 } 1546 if (instance->deadadapter || instance->adapterresetinprogress) { 1547 con_log(CL_ANN1, (CE_WARN, "mr_sas:%d adapter is not in " 1548 "healthy state", instance_no)); 1549 return (DDI_FAILURE); 1550 } 1551 1552 if (abort_aen_cmd(instance, instance->aen_cmd)) { 1553 con_log(CL_ANN1, (CE_WARN, "mrsas_quiesce: " 1554 "failed to abort prevous AEN command QUIESCE")); 1555 } 1556 1557 if (instance->tbolt) { 1558 if (abort_syncmap_cmd(instance, 1559 instance->map_update_cmd)) { 1560 dev_err(dip, CE_WARN, 1561 "mrsas_detach: failed to abort " 1562 "previous syncmap command"); 1563 return (DDI_FAILURE); 1564 } 1565 } 1566 1567 instance->func_ptr->disable_intr(instance); 1568 1569 con_log(CL_ANN1, (CE_CONT, "flushing cache for instance %d", 1570 instance_no)); 1571 1572 flush_cache(instance); 1573 1574 if (wait_for_outstanding(instance)) { 1575 con_log(CL_ANN1, 1576 (CE_CONT, "wait_for_outstanding: return FAIL.\n")); 1577 return (DDI_FAILURE); 1578 } 1579 return (DDI_SUCCESS); 1580 } 1581 #endif /* __sparc */ 1582 1583 /* 1584 * ************************************************************************** * 1585 * * 1586 * entry points (SCSI HBA) * 1587 * * 1588 * ************************************************************************** * 1589 */ 1590 /* 1591 * tran_tgt_init - initialize a target device instance 1592 * @hba_dip: 1593 * @tgt_dip: 1594 * @tran: 1595 * @sd: 1596 * 1597 * The tran_tgt_init() entry point enables the HBA to allocate and initialize 1598 * any per-target resources. tran_tgt_init() also enables the HBA to qualify 1599 * the device's address as valid and supportable for that particular HBA. 1600 * By returning DDI_FAILURE, the instance of the target driver for that device 1601 * is not probed or attached. 1602 */ 1603 /*ARGSUSED*/ 1604 static int 1605 mrsas_tran_tgt_init(dev_info_t *hba_dip, dev_info_t *tgt_dip, 1606 scsi_hba_tran_t *tran, struct scsi_device *sd) 1607 { 1608 struct mrsas_instance *instance; 1609 uint16_t tgt = sd->sd_address.a_target; 1610 uint8_t lun = sd->sd_address.a_lun; 1611 dev_info_t *child = NULL; 1612 1613 con_log(CL_DLEVEL2, (CE_NOTE, "mrsas_tgt_init target %d lun %d", 1614 tgt, lun)); 1615 1616 instance = ADDR2MR(&sd->sd_address); 1617 1618 if (ndi_dev_is_persistent_node(tgt_dip) == 0) { 1619 /* 1620 * If no persistent node exists, we don't allow .conf node 1621 * to be created. 1622 */ 1623 if ((child = mrsas_find_child(instance, tgt, lun)) != NULL) { 1624 con_log(CL_DLEVEL2, 1625 (CE_NOTE, "mrsas_tgt_init find child =" 1626 " %p t = %d l = %d", (void *)child, tgt, lun)); 1627 if (ndi_merge_node(tgt_dip, mrsas_name_node) != 1628 DDI_SUCCESS) 1629 /* Create this .conf node */ 1630 return (DDI_SUCCESS); 1631 } 1632 con_log(CL_DLEVEL2, (CE_NOTE, "mrsas_tgt_init in ndi_per " 1633 "DDI_FAILURE t = %d l = %d", tgt, lun)); 1634 return (DDI_FAILURE); 1635 1636 } 1637 1638 con_log(CL_DLEVEL2, (CE_NOTE, "mrsas_tgt_init dev_dip %p tgt_dip %p", 1639 (void *)instance->mr_ld_list[tgt].dip, (void *)tgt_dip)); 1640 1641 if (tgt < MRDRV_MAX_LD && lun == 0) { 1642 if (instance->mr_ld_list[tgt].dip == NULL && 1643 strcmp(ddi_driver_name(sd->sd_dev), "sd") == 0) { 1644 mutex_enter(&instance->config_dev_mtx); 1645 instance->mr_ld_list[tgt].dip = tgt_dip; 1646 instance->mr_ld_list[tgt].lun_type = MRSAS_LD_LUN; 1647 instance->mr_ld_list[tgt].flag = MRDRV_TGT_VALID; 1648 mutex_exit(&instance->config_dev_mtx); 1649 } 1650 } else if (instance->tbolt || instance->skinny) { 1651 if (instance->mr_tbolt_pd_list[tgt].dip == NULL) { 1652 mutex_enter(&instance->config_dev_mtx); 1653 instance->mr_tbolt_pd_list[tgt].dip = tgt_dip; 1654 instance->mr_tbolt_pd_list[tgt].flag = 1655 MRDRV_TGT_VALID; 1656 mutex_exit(&instance->config_dev_mtx); 1657 con_log(CL_ANN1, (CE_NOTE, "mrsas_tran_tgt_init:" 1658 "t%xl%x", tgt, lun)); 1659 } 1660 } 1661 1662 return (DDI_SUCCESS); 1663 } 1664 1665 /*ARGSUSED*/ 1666 static void 1667 mrsas_tran_tgt_free(dev_info_t *hba_dip, dev_info_t *tgt_dip, 1668 scsi_hba_tran_t *hba_tran, struct scsi_device *sd) 1669 { 1670 struct mrsas_instance *instance; 1671 int tgt = sd->sd_address.a_target; 1672 int lun = sd->sd_address.a_lun; 1673 1674 instance = ADDR2MR(&sd->sd_address); 1675 1676 con_log(CL_DLEVEL2, (CE_NOTE, "tgt_free t = %d l = %d", tgt, lun)); 1677 1678 if (tgt < MRDRV_MAX_LD && lun == 0) { 1679 if (instance->mr_ld_list[tgt].dip == tgt_dip) { 1680 mutex_enter(&instance->config_dev_mtx); 1681 instance->mr_ld_list[tgt].dip = NULL; 1682 mutex_exit(&instance->config_dev_mtx); 1683 } 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 } 1692 1693 dev_info_t * 1694 mrsas_find_child(struct mrsas_instance *instance, uint16_t tgt, uint8_t lun) 1695 { 1696 dev_info_t *child = NULL; 1697 char addr[SCSI_MAXNAMELEN]; 1698 char tmp[MAXNAMELEN]; 1699 1700 (void) snprintf(addr, sizeof (addr), "%x,%x", tgt, lun); 1701 for (child = ddi_get_child(instance->dip); child; 1702 child = ddi_get_next_sibling(child)) { 1703 1704 if (ndi_dev_is_persistent_node(child) == 0) { 1705 continue; 1706 } 1707 1708 if (mrsas_name_node(child, tmp, MAXNAMELEN) != 1709 DDI_SUCCESS) { 1710 continue; 1711 } 1712 1713 if (strcmp(addr, tmp) == 0) { 1714 break; 1715 } 1716 } 1717 con_log(CL_DLEVEL2, (CE_NOTE, "mrsas_find_child: return child = %p", 1718 (void *)child)); 1719 return (child); 1720 } 1721 1722 /* 1723 * mrsas_name_node - 1724 * @dip: 1725 * @name: 1726 * @len: 1727 */ 1728 static int 1729 mrsas_name_node(dev_info_t *dip, char *name, int len) 1730 { 1731 int tgt, lun; 1732 1733 tgt = ddi_prop_get_int(DDI_DEV_T_ANY, dip, 1734 DDI_PROP_DONTPASS, "target", -1); 1735 con_log(CL_DLEVEL2, (CE_NOTE, 1736 "mrsas_name_node: dip %p tgt %d", (void *)dip, tgt)); 1737 if (tgt == -1) { 1738 return (DDI_FAILURE); 1739 } 1740 lun = ddi_prop_get_int(DDI_DEV_T_ANY, dip, DDI_PROP_DONTPASS, 1741 "lun", -1); 1742 con_log(CL_DLEVEL2, 1743 (CE_NOTE, "mrsas_name_node: tgt %d lun %d", tgt, lun)); 1744 if (lun == -1) { 1745 return (DDI_FAILURE); 1746 } 1747 (void) snprintf(name, len, "%x,%x", tgt, lun); 1748 return (DDI_SUCCESS); 1749 } 1750 1751 /* 1752 * tran_init_pkt - allocate & initialize a scsi_pkt structure 1753 * @ap: 1754 * @pkt: 1755 * @bp: 1756 * @cmdlen: 1757 * @statuslen: 1758 * @tgtlen: 1759 * @flags: 1760 * @callback: 1761 * 1762 * The tran_init_pkt() entry point allocates and initializes a scsi_pkt 1763 * structure and DMA resources for a target driver request. The 1764 * tran_init_pkt() entry point is called when the target driver calls the 1765 * SCSA function scsi_init_pkt(). Each call of the tran_init_pkt() entry point 1766 * is a request to perform one or more of three possible services: 1767 * - allocation and initialization of a scsi_pkt structure 1768 * - allocation of DMA resources for data transfer 1769 * - reallocation of DMA resources for the next portion of the data transfer 1770 */ 1771 static struct scsi_pkt * 1772 mrsas_tran_init_pkt(struct scsi_address *ap, register struct scsi_pkt *pkt, 1773 struct buf *bp, int cmdlen, int statuslen, int tgtlen, 1774 int flags, int (*callback)(), caddr_t arg) 1775 { 1776 struct scsa_cmd *acmd; 1777 struct mrsas_instance *instance; 1778 struct scsi_pkt *new_pkt; 1779 1780 con_log(CL_DLEVEL1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__)); 1781 1782 instance = ADDR2MR(ap); 1783 1784 /* step #1 : pkt allocation */ 1785 if (pkt == NULL) { 1786 pkt = scsi_hba_pkt_alloc(instance->dip, ap, cmdlen, statuslen, 1787 tgtlen, sizeof (struct scsa_cmd), callback, arg); 1788 if (pkt == NULL) { 1789 return (NULL); 1790 } 1791 1792 acmd = PKT2CMD(pkt); 1793 1794 /* 1795 * Initialize the new pkt - we redundantly initialize 1796 * all the fields for illustrative purposes. 1797 */ 1798 acmd->cmd_pkt = pkt; 1799 acmd->cmd_flags = 0; 1800 acmd->cmd_scblen = statuslen; 1801 acmd->cmd_cdblen = cmdlen; 1802 acmd->cmd_dmahandle = NULL; 1803 acmd->cmd_ncookies = 0; 1804 acmd->cmd_cookie = 0; 1805 acmd->cmd_cookiecnt = 0; 1806 acmd->cmd_nwin = 0; 1807 1808 pkt->pkt_address = *ap; 1809 pkt->pkt_comp = (void (*)())NULL; 1810 pkt->pkt_flags = 0; 1811 pkt->pkt_time = 0; 1812 pkt->pkt_resid = 0; 1813 pkt->pkt_state = 0; 1814 pkt->pkt_statistics = 0; 1815 pkt->pkt_reason = 0; 1816 new_pkt = pkt; 1817 } else { 1818 acmd = PKT2CMD(pkt); 1819 new_pkt = NULL; 1820 } 1821 1822 /* step #2 : dma allocation/move */ 1823 if (bp && bp->b_bcount != 0) { 1824 if (acmd->cmd_dmahandle == NULL) { 1825 if (mrsas_dma_alloc(instance, pkt, bp, flags, 1826 callback) == DDI_FAILURE) { 1827 if (new_pkt) { 1828 scsi_hba_pkt_free(ap, new_pkt); 1829 } 1830 return ((struct scsi_pkt *)NULL); 1831 } 1832 } else { 1833 if (mrsas_dma_move(instance, pkt, bp) == DDI_FAILURE) { 1834 return ((struct scsi_pkt *)NULL); 1835 } 1836 } 1837 } 1838 1839 return (pkt); 1840 } 1841 1842 /* 1843 * tran_start - transport a SCSI command to the addressed target 1844 * @ap: 1845 * @pkt: 1846 * 1847 * The tran_start() entry point for a SCSI HBA driver is called to transport a 1848 * SCSI command to the addressed target. The SCSI command is described 1849 * entirely within the scsi_pkt structure, which the target driver allocated 1850 * through the HBA driver's tran_init_pkt() entry point. If the command 1851 * involves a data transfer, DMA resources must also have been allocated for 1852 * the scsi_pkt structure. 1853 * 1854 * Return Values : 1855 * TRAN_BUSY - request queue is full, no more free scbs 1856 * TRAN_ACCEPT - pkt has been submitted to the instance 1857 */ 1858 static int 1859 mrsas_tran_start(struct scsi_address *ap, register struct scsi_pkt *pkt) 1860 { 1861 uchar_t cmd_done = 0; 1862 1863 struct mrsas_instance *instance = ADDR2MR(ap); 1864 struct mrsas_cmd *cmd; 1865 1866 con_log(CL_DLEVEL1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__)); 1867 if (instance->deadadapter == 1) { 1868 con_log(CL_ANN1, (CE_WARN, 1869 "mrsas_tran_start: return TRAN_FATAL_ERROR " 1870 "for IO, as the HBA doesnt take any more IOs")); 1871 if (pkt) { 1872 pkt->pkt_reason = CMD_DEV_GONE; 1873 pkt->pkt_statistics = STAT_DISCON; 1874 } 1875 return (TRAN_FATAL_ERROR); 1876 } 1877 1878 if (instance->adapterresetinprogress) { 1879 con_log(CL_ANN1, (CE_NOTE, "mrsas_tran_start: Reset flag set, " 1880 "returning mfi_pkt and setting TRAN_BUSY\n")); 1881 return (TRAN_BUSY); 1882 } 1883 1884 con_log(CL_ANN1, (CE_CONT, "chkpnt:%s:%d:SCSI CDB[0]=0x%x time:%x", 1885 __func__, __LINE__, pkt->pkt_cdbp[0], pkt->pkt_time)); 1886 1887 pkt->pkt_reason = CMD_CMPLT; 1888 *pkt->pkt_scbp = STATUS_GOOD; /* clear arq scsi_status */ 1889 1890 cmd = build_cmd(instance, ap, pkt, &cmd_done); 1891 1892 /* 1893 * Check if the command is already completed by the mrsas_build_cmd() 1894 * routine. In which case the busy_flag would be clear and scb will be 1895 * NULL and appropriate reason provided in pkt_reason field 1896 */ 1897 if (cmd_done) { 1898 pkt->pkt_reason = CMD_CMPLT; 1899 pkt->pkt_scbp[0] = STATUS_GOOD; 1900 pkt->pkt_state |= STATE_GOT_BUS | STATE_GOT_TARGET 1901 | STATE_SENT_CMD; 1902 if (((pkt->pkt_flags & FLAG_NOINTR) == 0) && pkt->pkt_comp) { 1903 (*pkt->pkt_comp)(pkt); 1904 } 1905 1906 return (TRAN_ACCEPT); 1907 } 1908 1909 if (cmd == NULL) { 1910 return (TRAN_BUSY); 1911 } 1912 1913 if ((pkt->pkt_flags & FLAG_NOINTR) == 0) { 1914 if (instance->fw_outstanding > instance->max_fw_cmds) { 1915 con_log(CL_ANN, (CE_CONT, "mr_sas:Firmware busy")); 1916 DTRACE_PROBE2(start_tran_err, 1917 uint16_t, instance->fw_outstanding, 1918 uint16_t, instance->max_fw_cmds); 1919 mrsas_return_mfi_pkt(instance, cmd); 1920 return (TRAN_BUSY); 1921 } 1922 1923 /* Synchronize the Cmd frame for the controller */ 1924 (void) ddi_dma_sync(cmd->frame_dma_obj.dma_handle, 0, 0, 1925 DDI_DMA_SYNC_FORDEV); 1926 con_log(CL_ANN, (CE_CONT, "issue_cmd_ppc: SCSI CDB[0]=0x%x" 1927 "cmd->index:%x\n", pkt->pkt_cdbp[0], cmd->index)); 1928 instance->func_ptr->issue_cmd(cmd, instance); 1929 1930 } else { 1931 struct mrsas_header *hdr = &cmd->frame->hdr; 1932 1933 instance->func_ptr->issue_cmd_in_poll_mode(instance, cmd); 1934 1935 pkt->pkt_reason = CMD_CMPLT; 1936 pkt->pkt_statistics = 0; 1937 pkt->pkt_state |= STATE_XFERRED_DATA | STATE_GOT_STATUS; 1938 1939 switch (ddi_get8(cmd->frame_dma_obj.acc_handle, 1940 &hdr->cmd_status)) { 1941 case MFI_STAT_OK: 1942 pkt->pkt_scbp[0] = STATUS_GOOD; 1943 break; 1944 1945 case MFI_STAT_SCSI_DONE_WITH_ERROR: 1946 con_log(CL_ANN, (CE_CONT, 1947 "mrsas_tran_start: scsi done with error")); 1948 pkt->pkt_reason = CMD_CMPLT; 1949 pkt->pkt_statistics = 0; 1950 1951 ((struct scsi_status *)pkt->pkt_scbp)->sts_chk = 1; 1952 break; 1953 1954 case MFI_STAT_DEVICE_NOT_FOUND: 1955 con_log(CL_ANN, (CE_CONT, 1956 "mrsas_tran_start: device not found error")); 1957 pkt->pkt_reason = CMD_DEV_GONE; 1958 pkt->pkt_statistics = STAT_DISCON; 1959 break; 1960 1961 default: 1962 ((struct scsi_status *)pkt->pkt_scbp)->sts_busy = 1; 1963 } 1964 1965 (void) mrsas_common_check(instance, cmd); 1966 DTRACE_PROBE2(start_nointr_done, uint8_t, hdr->cmd, 1967 uint8_t, hdr->cmd_status); 1968 mrsas_return_mfi_pkt(instance, cmd); 1969 1970 if (pkt->pkt_comp) { 1971 (*pkt->pkt_comp)(pkt); 1972 } 1973 1974 } 1975 1976 return (TRAN_ACCEPT); 1977 } 1978 1979 /* 1980 * tran_abort - Abort any commands that are currently in transport 1981 * @ap: 1982 * @pkt: 1983 * 1984 * The tran_abort() entry point for a SCSI HBA driver is called to abort any 1985 * commands that are currently in transport for a particular target. This entry 1986 * point is called when a target driver calls scsi_abort(). The tran_abort() 1987 * entry point should attempt to abort the command denoted by the pkt 1988 * parameter. If the pkt parameter is NULL, tran_abort() should attempt to 1989 * abort all outstanding commands in the transport layer for the particular 1990 * target or logical unit. 1991 */ 1992 /*ARGSUSED*/ 1993 static int 1994 mrsas_tran_abort(struct scsi_address *ap, struct scsi_pkt *pkt) 1995 { 1996 con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__)); 1997 1998 /* abort command not supported by H/W */ 1999 2000 return (DDI_FAILURE); 2001 } 2002 2003 /* 2004 * tran_reset - reset either the SCSI bus or target 2005 * @ap: 2006 * @level: 2007 * 2008 * The tran_reset() entry point for a SCSI HBA driver is called to reset either 2009 * the SCSI bus or a particular SCSI target device. This entry point is called 2010 * when a target driver calls scsi_reset(). The tran_reset() entry point must 2011 * reset the SCSI bus if level is RESET_ALL. If level is RESET_TARGET, just the 2012 * particular target or logical unit must be reset. 2013 */ 2014 /*ARGSUSED*/ 2015 static int 2016 mrsas_tran_reset(struct scsi_address *ap, int level) 2017 { 2018 struct mrsas_instance *instance = ADDR2MR(ap); 2019 2020 con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__)); 2021 2022 if (wait_for_outstanding(instance)) { 2023 con_log(CL_ANN1, 2024 (CE_CONT, "wait_for_outstanding: return FAIL.\n")); 2025 return (DDI_FAILURE); 2026 } else { 2027 return (DDI_SUCCESS); 2028 } 2029 } 2030 2031 /* 2032 * tran_getcap - get one of a set of SCSA-defined capabilities 2033 * @ap: 2034 * @cap: 2035 * @whom: 2036 * 2037 * The target driver can request the current setting of the capability for a 2038 * particular target by setting the whom parameter to nonzero. A whom value of 2039 * zero indicates a request for the current setting of the general capability 2040 * for the SCSI bus or for adapter hardware. The tran_getcap() should return -1 2041 * for undefined capabilities or the current value of the requested capability. 2042 */ 2043 /*ARGSUSED*/ 2044 static int 2045 mrsas_tran_getcap(struct scsi_address *ap, char *cap, int whom) 2046 { 2047 int rval = 0; 2048 2049 struct mrsas_instance *instance = ADDR2MR(ap); 2050 2051 con_log(CL_DLEVEL2, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__)); 2052 2053 /* we do allow inquiring about capabilities for other targets */ 2054 if (cap == NULL) { 2055 return (-1); 2056 } 2057 2058 switch (scsi_hba_lookup_capstr(cap)) { 2059 case SCSI_CAP_DMA_MAX: 2060 if (instance->tbolt) { 2061 /* Limit to 256k max transfer */ 2062 rval = mrsas_tbolt_max_cap_maxxfer; 2063 } else { 2064 /* Limit to 16MB max transfer */ 2065 rval = mrsas_max_cap_maxxfer; 2066 } 2067 break; 2068 case SCSI_CAP_MSG_OUT: 2069 rval = 1; 2070 break; 2071 case SCSI_CAP_DISCONNECT: 2072 rval = 0; 2073 break; 2074 case SCSI_CAP_SYNCHRONOUS: 2075 rval = 0; 2076 break; 2077 case SCSI_CAP_WIDE_XFER: 2078 rval = 1; 2079 break; 2080 case SCSI_CAP_TAGGED_QING: 2081 rval = 1; 2082 break; 2083 case SCSI_CAP_UNTAGGED_QING: 2084 rval = 1; 2085 break; 2086 case SCSI_CAP_PARITY: 2087 rval = 1; 2088 break; 2089 case SCSI_CAP_INITIATOR_ID: 2090 rval = instance->init_id; 2091 break; 2092 case SCSI_CAP_ARQ: 2093 rval = 1; 2094 break; 2095 case SCSI_CAP_LINKED_CMDS: 2096 rval = 0; 2097 break; 2098 case SCSI_CAP_RESET_NOTIFICATION: 2099 rval = 1; 2100 break; 2101 case SCSI_CAP_GEOMETRY: 2102 rval = -1; 2103 2104 break; 2105 default: 2106 con_log(CL_DLEVEL2, (CE_NOTE, "Default cap coming 0x%x", 2107 scsi_hba_lookup_capstr(cap))); 2108 rval = -1; 2109 break; 2110 } 2111 2112 return (rval); 2113 } 2114 2115 /* 2116 * tran_setcap - set one of a set of SCSA-defined capabilities 2117 * @ap: 2118 * @cap: 2119 * @value: 2120 * @whom: 2121 * 2122 * The target driver might request that the new value be set for a particular 2123 * target by setting the whom parameter to nonzero. A whom value of zero 2124 * means that request is to set the new value for the SCSI bus or for adapter 2125 * hardware in general. 2126 * The tran_setcap() should return the following values as appropriate: 2127 * - -1 for undefined capabilities 2128 * - 0 if the HBA driver cannot set the capability to the requested value 2129 * - 1 if the HBA driver is able to set the capability to the requested value 2130 */ 2131 /*ARGSUSED*/ 2132 static int 2133 mrsas_tran_setcap(struct scsi_address *ap, char *cap, int value, int whom) 2134 { 2135 int rval = 1; 2136 2137 con_log(CL_DLEVEL2, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__)); 2138 2139 /* We don't allow setting capabilities for other targets */ 2140 if (cap == NULL || whom == 0) { 2141 return (-1); 2142 } 2143 2144 switch (scsi_hba_lookup_capstr(cap)) { 2145 case SCSI_CAP_DMA_MAX: 2146 case SCSI_CAP_MSG_OUT: 2147 case SCSI_CAP_PARITY: 2148 case SCSI_CAP_LINKED_CMDS: 2149 case SCSI_CAP_RESET_NOTIFICATION: 2150 case SCSI_CAP_DISCONNECT: 2151 case SCSI_CAP_SYNCHRONOUS: 2152 case SCSI_CAP_UNTAGGED_QING: 2153 case SCSI_CAP_WIDE_XFER: 2154 case SCSI_CAP_INITIATOR_ID: 2155 case SCSI_CAP_ARQ: 2156 /* 2157 * None of these are settable via 2158 * the capability interface. 2159 */ 2160 break; 2161 case SCSI_CAP_TAGGED_QING: 2162 rval = 1; 2163 break; 2164 case SCSI_CAP_SECTOR_SIZE: 2165 rval = 1; 2166 break; 2167 2168 case SCSI_CAP_TOTAL_SECTORS: 2169 rval = 1; 2170 break; 2171 default: 2172 rval = -1; 2173 break; 2174 } 2175 2176 return (rval); 2177 } 2178 2179 /* 2180 * tran_destroy_pkt - deallocate scsi_pkt structure 2181 * @ap: 2182 * @pkt: 2183 * 2184 * The tran_destroy_pkt() entry point is the HBA driver function that 2185 * deallocates scsi_pkt structures. The tran_destroy_pkt() entry point is 2186 * called when the target driver calls scsi_destroy_pkt(). The 2187 * tran_destroy_pkt() entry point must free any DMA resources that have been 2188 * allocated for the packet. An implicit DMA synchronization occurs if the 2189 * DMA resources are freed and any cached data remains after the completion 2190 * of the transfer. 2191 */ 2192 static void 2193 mrsas_tran_destroy_pkt(struct scsi_address *ap, struct scsi_pkt *pkt) 2194 { 2195 struct scsa_cmd *acmd = PKT2CMD(pkt); 2196 2197 con_log(CL_DLEVEL2, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__)); 2198 2199 if (acmd->cmd_flags & CFLAG_DMAVALID) { 2200 acmd->cmd_flags &= ~CFLAG_DMAVALID; 2201 2202 (void) ddi_dma_unbind_handle(acmd->cmd_dmahandle); 2203 2204 ddi_dma_free_handle(&acmd->cmd_dmahandle); 2205 2206 acmd->cmd_dmahandle = NULL; 2207 } 2208 2209 /* free the pkt */ 2210 scsi_hba_pkt_free(ap, pkt); 2211 } 2212 2213 /* 2214 * tran_dmafree - deallocates DMA resources 2215 * @ap: 2216 * @pkt: 2217 * 2218 * The tran_dmafree() entry point deallocates DMAQ resources that have been 2219 * allocated for a scsi_pkt structure. The tran_dmafree() entry point is 2220 * called when the target driver calls scsi_dmafree(). The tran_dmafree() must 2221 * free only DMA resources allocated for a scsi_pkt structure, not the 2222 * scsi_pkt itself. When DMA resources are freed, a DMA synchronization is 2223 * implicitly performed. 2224 */ 2225 /*ARGSUSED*/ 2226 static void 2227 mrsas_tran_dmafree(struct scsi_address *ap, struct scsi_pkt *pkt) 2228 { 2229 register struct scsa_cmd *acmd = PKT2CMD(pkt); 2230 2231 con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__)); 2232 2233 if (acmd->cmd_flags & CFLAG_DMAVALID) { 2234 acmd->cmd_flags &= ~CFLAG_DMAVALID; 2235 2236 (void) ddi_dma_unbind_handle(acmd->cmd_dmahandle); 2237 2238 ddi_dma_free_handle(&acmd->cmd_dmahandle); 2239 2240 acmd->cmd_dmahandle = NULL; 2241 } 2242 } 2243 2244 /* 2245 * tran_sync_pkt - synchronize the DMA object allocated 2246 * @ap: 2247 * @pkt: 2248 * 2249 * The tran_sync_pkt() entry point synchronizes the DMA object allocated for 2250 * the scsi_pkt structure before or after a DMA transfer. The tran_sync_pkt() 2251 * entry point is called when the target driver calls scsi_sync_pkt(). If the 2252 * data transfer direction is a DMA read from device to memory, tran_sync_pkt() 2253 * must synchronize the CPU's view of the data. If the data transfer direction 2254 * is a DMA write from memory to device, tran_sync_pkt() must synchronize the 2255 * device's view of the data. 2256 */ 2257 /*ARGSUSED*/ 2258 static void 2259 mrsas_tran_sync_pkt(struct scsi_address *ap, struct scsi_pkt *pkt) 2260 { 2261 register struct scsa_cmd *acmd = PKT2CMD(pkt); 2262 2263 con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__)); 2264 2265 if (acmd->cmd_flags & CFLAG_DMAVALID) { 2266 (void) ddi_dma_sync(acmd->cmd_dmahandle, acmd->cmd_dma_offset, 2267 acmd->cmd_dma_len, (acmd->cmd_flags & CFLAG_DMASEND) ? 2268 DDI_DMA_SYNC_FORDEV : DDI_DMA_SYNC_FORCPU); 2269 } 2270 } 2271 2272 /*ARGSUSED*/ 2273 static int 2274 mrsas_tran_quiesce(dev_info_t *dip) 2275 { 2276 con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__)); 2277 2278 return (1); 2279 } 2280 2281 /*ARGSUSED*/ 2282 static int 2283 mrsas_tran_unquiesce(dev_info_t *dip) 2284 { 2285 con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__)); 2286 2287 return (1); 2288 } 2289 2290 2291 /* 2292 * mrsas_isr(caddr_t) 2293 * 2294 * The Interrupt Service Routine 2295 * 2296 * Collect status for all completed commands and do callback 2297 * 2298 */ 2299 static uint_t 2300 mrsas_isr(struct mrsas_instance *instance) 2301 { 2302 int need_softintr; 2303 uint32_t producer; 2304 uint32_t consumer; 2305 uint32_t context; 2306 int retval; 2307 2308 struct mrsas_cmd *cmd; 2309 struct mrsas_header *hdr; 2310 struct scsi_pkt *pkt; 2311 2312 con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__)); 2313 ASSERT(instance); 2314 if (instance->tbolt) { 2315 mutex_enter(&instance->chip_mtx); 2316 if ((instance->intr_type == DDI_INTR_TYPE_FIXED) && 2317 !(instance->func_ptr->intr_ack(instance))) { 2318 mutex_exit(&instance->chip_mtx); 2319 return (DDI_INTR_UNCLAIMED); 2320 } 2321 retval = mr_sas_tbolt_process_outstanding_cmd(instance); 2322 mutex_exit(&instance->chip_mtx); 2323 return (retval); 2324 } else { 2325 if ((instance->intr_type == DDI_INTR_TYPE_FIXED) && 2326 !instance->func_ptr->intr_ack(instance)) { 2327 return (DDI_INTR_UNCLAIMED); 2328 } 2329 } 2330 2331 (void) ddi_dma_sync(instance->mfi_internal_dma_obj.dma_handle, 2332 0, 0, DDI_DMA_SYNC_FORCPU); 2333 2334 if (mrsas_check_dma_handle(instance->mfi_internal_dma_obj.dma_handle) 2335 != DDI_SUCCESS) { 2336 mrsas_fm_ereport(instance, DDI_FM_DEVICE_NO_RESPONSE); 2337 ddi_fm_service_impact(instance->dip, DDI_SERVICE_LOST); 2338 con_log(CL_ANN1, (CE_WARN, 2339 "mr_sas_isr(): FMA check, returning DDI_INTR_UNCLAIMED")); 2340 return (DDI_INTR_CLAIMED); 2341 } 2342 con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__)); 2343 2344 #ifdef OCRDEBUG 2345 if (debug_consecutive_timeout_after_ocr_g == 1) { 2346 con_log(CL_ANN1, (CE_NOTE, 2347 "simulating consecutive timeout after ocr")); 2348 return (DDI_INTR_CLAIMED); 2349 } 2350 #endif 2351 2352 mutex_enter(&instance->completed_pool_mtx); 2353 mutex_enter(&instance->cmd_pend_mtx); 2354 2355 producer = ddi_get32(instance->mfi_internal_dma_obj.acc_handle, 2356 instance->producer); 2357 consumer = ddi_get32(instance->mfi_internal_dma_obj.acc_handle, 2358 instance->consumer); 2359 2360 con_log(CL_ANN, (CE_CONT, " producer %x consumer %x ", 2361 producer, consumer)); 2362 if (producer == consumer) { 2363 con_log(CL_ANN, (CE_WARN, "producer == consumer case")); 2364 DTRACE_PROBE2(isr_pc_err, uint32_t, producer, 2365 uint32_t, consumer); 2366 mutex_exit(&instance->cmd_pend_mtx); 2367 mutex_exit(&instance->completed_pool_mtx); 2368 return (DDI_INTR_CLAIMED); 2369 } 2370 2371 while (consumer != producer) { 2372 context = ddi_get32(instance->mfi_internal_dma_obj.acc_handle, 2373 &instance->reply_queue[consumer]); 2374 cmd = instance->cmd_list[context]; 2375 2376 if (cmd->sync_cmd == MRSAS_TRUE) { 2377 hdr = (struct mrsas_header *)&cmd->frame->hdr; 2378 if (hdr) { 2379 mlist_del_init(&cmd->list); 2380 } 2381 } else { 2382 pkt = cmd->pkt; 2383 if (pkt) { 2384 mlist_del_init(&cmd->list); 2385 } 2386 } 2387 2388 mlist_add_tail(&cmd->list, &instance->completed_pool_list); 2389 2390 consumer++; 2391 if (consumer == (instance->max_fw_cmds + 1)) { 2392 consumer = 0; 2393 } 2394 } 2395 ddi_put32(instance->mfi_internal_dma_obj.acc_handle, 2396 instance->consumer, consumer); 2397 mutex_exit(&instance->cmd_pend_mtx); 2398 mutex_exit(&instance->completed_pool_mtx); 2399 2400 (void) ddi_dma_sync(instance->mfi_internal_dma_obj.dma_handle, 2401 0, 0, DDI_DMA_SYNC_FORDEV); 2402 2403 if (instance->softint_running) { 2404 need_softintr = 0; 2405 } else { 2406 need_softintr = 1; 2407 } 2408 2409 if (instance->isr_level == HIGH_LEVEL_INTR) { 2410 if (need_softintr) { 2411 ddi_trigger_softintr(instance->soft_intr_id); 2412 } 2413 } else { 2414 /* 2415 * Not a high-level interrupt, therefore call the soft level 2416 * interrupt explicitly 2417 */ 2418 (void) mrsas_softintr(instance); 2419 } 2420 2421 return (DDI_INTR_CLAIMED); 2422 } 2423 2424 2425 /* 2426 * ************************************************************************** * 2427 * * 2428 * libraries * 2429 * * 2430 * ************************************************************************** * 2431 */ 2432 /* 2433 * get_mfi_pkt : Get a command from the free pool 2434 * After successful allocation, the caller of this routine 2435 * must clear the frame buffer (memset to zero) before 2436 * using the packet further. 2437 * 2438 * ***** Note ***** 2439 * After clearing the frame buffer the context id of the 2440 * frame buffer SHOULD be restored back. 2441 */ 2442 struct mrsas_cmd * 2443 mrsas_get_mfi_pkt(struct mrsas_instance *instance) 2444 { 2445 mlist_t *head = &instance->cmd_pool_list; 2446 struct mrsas_cmd *cmd = NULL; 2447 2448 mutex_enter(&instance->cmd_pool_mtx); 2449 2450 if (!mlist_empty(head)) { 2451 cmd = mlist_entry(head->next, struct mrsas_cmd, list); 2452 mlist_del_init(head->next); 2453 } 2454 if (cmd != NULL) { 2455 cmd->pkt = NULL; 2456 cmd->retry_count_for_ocr = 0; 2457 cmd->drv_pkt_time = 0; 2458 2459 } 2460 mutex_exit(&instance->cmd_pool_mtx); 2461 2462 return (cmd); 2463 } 2464 2465 static struct mrsas_cmd * 2466 get_mfi_app_pkt(struct mrsas_instance *instance) 2467 { 2468 mlist_t *head = &instance->app_cmd_pool_list; 2469 struct mrsas_cmd *cmd = NULL; 2470 2471 mutex_enter(&instance->app_cmd_pool_mtx); 2472 2473 if (!mlist_empty(head)) { 2474 cmd = mlist_entry(head->next, struct mrsas_cmd, list); 2475 mlist_del_init(head->next); 2476 } 2477 if (cmd != NULL) { 2478 cmd->pkt = NULL; 2479 cmd->retry_count_for_ocr = 0; 2480 cmd->drv_pkt_time = 0; 2481 } 2482 2483 mutex_exit(&instance->app_cmd_pool_mtx); 2484 2485 return (cmd); 2486 } 2487 /* 2488 * return_mfi_pkt : Return a cmd to free command pool 2489 */ 2490 void 2491 mrsas_return_mfi_pkt(struct mrsas_instance *instance, struct mrsas_cmd *cmd) 2492 { 2493 mutex_enter(&instance->cmd_pool_mtx); 2494 /* use mlist_add_tail for debug assistance */ 2495 mlist_add_tail(&cmd->list, &instance->cmd_pool_list); 2496 2497 mutex_exit(&instance->cmd_pool_mtx); 2498 } 2499 2500 static void 2501 return_mfi_app_pkt(struct mrsas_instance *instance, struct mrsas_cmd *cmd) 2502 { 2503 mutex_enter(&instance->app_cmd_pool_mtx); 2504 2505 mlist_add(&cmd->list, &instance->app_cmd_pool_list); 2506 2507 mutex_exit(&instance->app_cmd_pool_mtx); 2508 } 2509 void 2510 push_pending_mfi_pkt(struct mrsas_instance *instance, struct mrsas_cmd *cmd) 2511 { 2512 struct scsi_pkt *pkt; 2513 struct mrsas_header *hdr; 2514 con_log(CL_DLEVEL2, (CE_NOTE, "push_pending_pkt(): Called\n")); 2515 mutex_enter(&instance->cmd_pend_mtx); 2516 mlist_del_init(&cmd->list); 2517 mlist_add_tail(&cmd->list, &instance->cmd_pend_list); 2518 if (cmd->sync_cmd == MRSAS_TRUE) { 2519 hdr = (struct mrsas_header *)&cmd->frame->hdr; 2520 if (hdr) { 2521 con_log(CL_ANN1, (CE_CONT, 2522 "push_pending_mfi_pkt: " 2523 "cmd %p index %x " 2524 "time %llx", 2525 (void *)cmd, cmd->index, 2526 gethrtime())); 2527 /* Wait for specified interval */ 2528 cmd->drv_pkt_time = ddi_get16( 2529 cmd->frame_dma_obj.acc_handle, &hdr->timeout); 2530 if (cmd->drv_pkt_time < debug_timeout_g) 2531 cmd->drv_pkt_time = (uint16_t)debug_timeout_g; 2532 con_log(CL_ANN1, (CE_CONT, 2533 "push_pending_pkt(): " 2534 "Called IO Timeout Value %x\n", 2535 cmd->drv_pkt_time)); 2536 } 2537 if (hdr && instance->timeout_id == (timeout_id_t)-1) { 2538 instance->timeout_id = timeout(io_timeout_checker, 2539 (void *) instance, drv_usectohz(MRSAS_1_SECOND)); 2540 } 2541 } else { 2542 pkt = cmd->pkt; 2543 if (pkt) { 2544 con_log(CL_ANN1, (CE_CONT, 2545 "push_pending_mfi_pkt: " 2546 "cmd %p index %x pkt %p, " 2547 "time %llx", 2548 (void *)cmd, cmd->index, (void *)pkt, 2549 gethrtime())); 2550 cmd->drv_pkt_time = (uint16_t)debug_timeout_g; 2551 } 2552 if (pkt && instance->timeout_id == (timeout_id_t)-1) { 2553 instance->timeout_id = timeout(io_timeout_checker, 2554 (void *) instance, drv_usectohz(MRSAS_1_SECOND)); 2555 } 2556 } 2557 2558 mutex_exit(&instance->cmd_pend_mtx); 2559 2560 } 2561 2562 int 2563 mrsas_print_pending_cmds(struct mrsas_instance *instance) 2564 { 2565 mlist_t *head = &instance->cmd_pend_list; 2566 mlist_t *tmp = head; 2567 struct mrsas_cmd *cmd = NULL; 2568 struct mrsas_header *hdr; 2569 unsigned int flag = 1; 2570 struct scsi_pkt *pkt; 2571 int saved_level; 2572 int cmd_count = 0; 2573 2574 saved_level = debug_level_g; 2575 debug_level_g = CL_ANN1; 2576 2577 dev_err(instance->dip, CE_NOTE, 2578 "mrsas_print_pending_cmds(): Called"); 2579 2580 while (flag) { 2581 mutex_enter(&instance->cmd_pend_mtx); 2582 tmp = tmp->next; 2583 if (tmp == head) { 2584 mutex_exit(&instance->cmd_pend_mtx); 2585 flag = 0; 2586 con_log(CL_ANN1, (CE_CONT, "mrsas_print_pending_cmds():" 2587 " NO MORE CMDS PENDING....\n")); 2588 break; 2589 } else { 2590 cmd = mlist_entry(tmp, struct mrsas_cmd, list); 2591 mutex_exit(&instance->cmd_pend_mtx); 2592 if (cmd) { 2593 if (cmd->sync_cmd == MRSAS_TRUE) { 2594 hdr = (struct mrsas_header *) 2595 &cmd->frame->hdr; 2596 if (hdr) { 2597 con_log(CL_ANN1, (CE_CONT, 2598 "print: cmd %p index 0x%x " 2599 "drv_pkt_time 0x%x (NO-PKT)" 2600 " hdr %p\n", (void *)cmd, 2601 cmd->index, 2602 cmd->drv_pkt_time, 2603 (void *)hdr)); 2604 } 2605 } else { 2606 pkt = cmd->pkt; 2607 if (pkt) { 2608 con_log(CL_ANN1, (CE_CONT, 2609 "print: cmd %p index 0x%x " 2610 "drv_pkt_time 0x%x pkt %p \n", 2611 (void *)cmd, cmd->index, 2612 cmd->drv_pkt_time, (void *)pkt)); 2613 } 2614 } 2615 2616 if (++cmd_count == 1) { 2617 mrsas_print_cmd_details(instance, cmd, 2618 0xDD); 2619 } else { 2620 mrsas_print_cmd_details(instance, cmd, 2621 1); 2622 } 2623 2624 } 2625 } 2626 } 2627 con_log(CL_ANN1, (CE_CONT, "mrsas_print_pending_cmds(): Done\n")); 2628 2629 2630 debug_level_g = saved_level; 2631 2632 return (DDI_SUCCESS); 2633 } 2634 2635 2636 int 2637 mrsas_complete_pending_cmds(struct mrsas_instance *instance) 2638 { 2639 2640 struct mrsas_cmd *cmd = NULL; 2641 struct scsi_pkt *pkt; 2642 struct mrsas_header *hdr; 2643 2644 struct mlist_head *pos, *next; 2645 2646 con_log(CL_ANN1, (CE_NOTE, 2647 "mrsas_complete_pending_cmds(): Called")); 2648 2649 mutex_enter(&instance->cmd_pend_mtx); 2650 mlist_for_each_safe(pos, next, &instance->cmd_pend_list) { 2651 cmd = mlist_entry(pos, struct mrsas_cmd, list); 2652 if (cmd) { 2653 pkt = cmd->pkt; 2654 if (pkt) { /* for IO */ 2655 if (((pkt->pkt_flags & FLAG_NOINTR) 2656 == 0) && pkt->pkt_comp) { 2657 pkt->pkt_reason 2658 = CMD_DEV_GONE; 2659 pkt->pkt_statistics 2660 = STAT_DISCON; 2661 con_log(CL_ANN1, (CE_CONT, 2662 "fail and posting to scsa " 2663 "cmd %p index %x" 2664 " pkt %p " 2665 "time : %llx", 2666 (void *)cmd, cmd->index, 2667 (void *)pkt, gethrtime())); 2668 (*pkt->pkt_comp)(pkt); 2669 } 2670 } else { /* for DCMDS */ 2671 if (cmd->sync_cmd == MRSAS_TRUE) { 2672 hdr = (struct mrsas_header *)&cmd->frame->hdr; 2673 con_log(CL_ANN1, (CE_CONT, 2674 "posting invalid status to application " 2675 "cmd %p index %x" 2676 " hdr %p " 2677 "time : %llx", 2678 (void *)cmd, cmd->index, 2679 (void *)hdr, gethrtime())); 2680 hdr->cmd_status = MFI_STAT_INVALID_STATUS; 2681 complete_cmd_in_sync_mode(instance, cmd); 2682 } 2683 } 2684 mlist_del_init(&cmd->list); 2685 } else { 2686 con_log(CL_ANN1, (CE_CONT, 2687 "mrsas_complete_pending_cmds:" 2688 "NULL command\n")); 2689 } 2690 con_log(CL_ANN1, (CE_CONT, 2691 "mrsas_complete_pending_cmds:" 2692 "looping for more commands\n")); 2693 } 2694 mutex_exit(&instance->cmd_pend_mtx); 2695 2696 con_log(CL_ANN1, (CE_CONT, "mrsas_complete_pending_cmds(): DONE\n")); 2697 return (DDI_SUCCESS); 2698 } 2699 2700 void 2701 mrsas_print_cmd_details(struct mrsas_instance *instance, struct mrsas_cmd *cmd, 2702 int detail) 2703 { 2704 struct scsi_pkt *pkt = cmd->pkt; 2705 Mpi2RaidSCSIIORequest_t *scsi_io = cmd->scsi_io_request; 2706 int i; 2707 int saved_level; 2708 ddi_acc_handle_t acc_handle = 2709 instance->mpi2_frame_pool_dma_obj.acc_handle; 2710 2711 if (detail == 0xDD) { 2712 saved_level = debug_level_g; 2713 debug_level_g = CL_ANN1; 2714 } 2715 2716 2717 if (instance->tbolt) { 2718 con_log(CL_ANN1, (CE_CONT, "print_cmd_details: cmd %p " 2719 "cmd->index 0x%x SMID 0x%x timer 0x%x sec\n", 2720 (void *)cmd, cmd->index, cmd->SMID, cmd->drv_pkt_time)); 2721 } else { 2722 con_log(CL_ANN1, (CE_CONT, "print_cmd_details: cmd %p " 2723 "cmd->index 0x%x timer 0x%x sec\n", 2724 (void *)cmd, cmd->index, cmd->drv_pkt_time)); 2725 } 2726 2727 if (pkt) { 2728 con_log(CL_ANN1, (CE_CONT, "scsi_pkt CDB[0]=0x%x", 2729 pkt->pkt_cdbp[0])); 2730 } else { 2731 con_log(CL_ANN1, (CE_CONT, "NO-PKT")); 2732 } 2733 2734 if ((detail == 0xDD) && instance->tbolt) { 2735 con_log(CL_ANN1, (CE_CONT, "RAID_SCSI_IO_REQUEST\n")); 2736 con_log(CL_ANN1, (CE_CONT, "DevHandle=0x%X Function=0x%X " 2737 "IoFlags=0x%X SGLFlags=0x%X DataLength=0x%X\n", 2738 ddi_get16(acc_handle, &scsi_io->DevHandle), 2739 ddi_get8(acc_handle, &scsi_io->Function), 2740 ddi_get16(acc_handle, &scsi_io->IoFlags), 2741 ddi_get16(acc_handle, &scsi_io->SGLFlags), 2742 ddi_get32(acc_handle, &scsi_io->DataLength))); 2743 2744 for (i = 0; i < 32; i++) { 2745 con_log(CL_ANN1, (CE_CONT, "CDB[%d]=0x%x ", i, 2746 ddi_get8(acc_handle, &scsi_io->CDB.CDB32[i]))); 2747 } 2748 2749 con_log(CL_ANN1, (CE_CONT, "RAID-CONTEXT\n")); 2750 con_log(CL_ANN1, (CE_CONT, "status=0x%X extStatus=0x%X " 2751 "ldTargetId=0x%X timeoutValue=0x%X regLockFlags=0x%X " 2752 "RAIDFlags=0x%X regLockRowLBA=0x%" PRIu64 2753 " regLockLength=0x%X spanArm=0x%X\n", 2754 ddi_get8(acc_handle, &scsi_io->RaidContext.status), 2755 ddi_get8(acc_handle, &scsi_io->RaidContext.extStatus), 2756 ddi_get16(acc_handle, &scsi_io->RaidContext.ldTargetId), 2757 ddi_get16(acc_handle, &scsi_io->RaidContext.timeoutValue), 2758 ddi_get8(acc_handle, &scsi_io->RaidContext.regLockFlags), 2759 ddi_get8(acc_handle, &scsi_io->RaidContext.RAIDFlags), 2760 ddi_get64(acc_handle, &scsi_io->RaidContext.regLockRowLBA), 2761 ddi_get32(acc_handle, &scsi_io->RaidContext.regLockLength), 2762 ddi_get8(acc_handle, &scsi_io->RaidContext.spanArm))); 2763 } 2764 2765 if (detail == 0xDD) { 2766 debug_level_g = saved_level; 2767 } 2768 } 2769 2770 2771 int 2772 mrsas_issue_pending_cmds(struct mrsas_instance *instance) 2773 { 2774 mlist_t *head = &instance->cmd_pend_list; 2775 mlist_t *tmp = head->next; 2776 struct mrsas_cmd *cmd = NULL; 2777 struct scsi_pkt *pkt; 2778 2779 con_log(CL_ANN1, (CE_NOTE, "mrsas_issue_pending_cmds(): Called")); 2780 while (tmp != head) { 2781 mutex_enter(&instance->cmd_pend_mtx); 2782 cmd = mlist_entry(tmp, struct mrsas_cmd, list); 2783 tmp = tmp->next; 2784 mutex_exit(&instance->cmd_pend_mtx); 2785 if (cmd) { 2786 con_log(CL_ANN1, (CE_CONT, 2787 "mrsas_issue_pending_cmds(): " 2788 "Got a cmd: cmd %p index 0x%x drv_pkt_time 0x%x ", 2789 (void *)cmd, cmd->index, cmd->drv_pkt_time)); 2790 2791 /* Reset command timeout value */ 2792 if (cmd->drv_pkt_time < debug_timeout_g) 2793 cmd->drv_pkt_time = (uint16_t)debug_timeout_g; 2794 2795 cmd->retry_count_for_ocr++; 2796 2797 dev_err(instance->dip, CE_CONT, 2798 "cmd retry count = %d\n", 2799 cmd->retry_count_for_ocr); 2800 2801 if (cmd->retry_count_for_ocr > IO_RETRY_COUNT) { 2802 dev_err(instance->dip, 2803 CE_WARN, "mrsas_issue_pending_cmds(): " 2804 "cmd->retry_count exceeded limit >%d\n", 2805 IO_RETRY_COUNT); 2806 mrsas_print_cmd_details(instance, cmd, 0xDD); 2807 2808 dev_err(instance->dip, CE_WARN, 2809 "mrsas_issue_pending_cmds():" 2810 "Calling KILL Adapter"); 2811 if (instance->tbolt) 2812 mrsas_tbolt_kill_adapter(instance); 2813 else 2814 (void) mrsas_kill_adapter(instance); 2815 return (DDI_FAILURE); 2816 } 2817 2818 pkt = cmd->pkt; 2819 if (pkt) { 2820 con_log(CL_ANN1, (CE_CONT, 2821 "PENDING PKT-CMD ISSUE: cmd %p index %x " 2822 "pkt %p time %llx", 2823 (void *)cmd, cmd->index, 2824 (void *)pkt, 2825 gethrtime())); 2826 2827 } else { 2828 dev_err(instance->dip, CE_CONT, 2829 "mrsas_issue_pending_cmds(): NO-PKT, " 2830 "cmd %p index 0x%x drv_pkt_time 0x%x", 2831 (void *)cmd, cmd->index, cmd->drv_pkt_time); 2832 } 2833 2834 2835 if (cmd->sync_cmd == MRSAS_TRUE) { 2836 dev_err(instance->dip, CE_CONT, 2837 "mrsas_issue_pending_cmds(): " 2838 "SYNC_CMD == TRUE \n"); 2839 instance->func_ptr->issue_cmd_in_sync_mode( 2840 instance, cmd); 2841 } else { 2842 instance->func_ptr->issue_cmd(cmd, instance); 2843 } 2844 } else { 2845 con_log(CL_ANN1, (CE_CONT, 2846 "mrsas_issue_pending_cmds: NULL command\n")); 2847 } 2848 con_log(CL_ANN1, (CE_CONT, 2849 "mrsas_issue_pending_cmds:" 2850 "looping for more commands")); 2851 } 2852 con_log(CL_ANN1, (CE_CONT, "mrsas_issue_pending_cmds(): DONE\n")); 2853 return (DDI_SUCCESS); 2854 } 2855 2856 2857 2858 /* 2859 * destroy_mfi_frame_pool 2860 */ 2861 void 2862 destroy_mfi_frame_pool(struct mrsas_instance *instance) 2863 { 2864 int i; 2865 uint32_t max_cmd = instance->max_fw_cmds; 2866 2867 struct mrsas_cmd *cmd; 2868 2869 /* return all frames to pool */ 2870 2871 for (i = 0; i < max_cmd; i++) { 2872 2873 cmd = instance->cmd_list[i]; 2874 2875 if (cmd->frame_dma_obj_status == DMA_OBJ_ALLOCATED) 2876 (void) mrsas_free_dma_obj(instance, cmd->frame_dma_obj); 2877 2878 cmd->frame_dma_obj_status = DMA_OBJ_FREED; 2879 } 2880 2881 } 2882 2883 /* 2884 * create_mfi_frame_pool 2885 */ 2886 int 2887 create_mfi_frame_pool(struct mrsas_instance *instance) 2888 { 2889 int i = 0; 2890 int cookie_cnt; 2891 uint16_t max_cmd; 2892 uint16_t sge_sz; 2893 uint32_t sgl_sz; 2894 uint32_t tot_frame_size; 2895 struct mrsas_cmd *cmd; 2896 int retval = DDI_SUCCESS; 2897 2898 max_cmd = instance->max_fw_cmds; 2899 sge_sz = sizeof (struct mrsas_sge_ieee); 2900 /* calculated the number of 64byte frames required for SGL */ 2901 sgl_sz = sge_sz * instance->max_num_sge; 2902 tot_frame_size = sgl_sz + MRMFI_FRAME_SIZE + SENSE_LENGTH; 2903 2904 con_log(CL_DLEVEL3, (CE_NOTE, "create_mfi_frame_pool: " 2905 "sgl_sz %x tot_frame_size %x", sgl_sz, tot_frame_size)); 2906 2907 while (i < max_cmd) { 2908 cmd = instance->cmd_list[i]; 2909 2910 cmd->frame_dma_obj.size = tot_frame_size; 2911 cmd->frame_dma_obj.dma_attr = mrsas_generic_dma_attr; 2912 cmd->frame_dma_obj.dma_attr.dma_attr_addr_hi = 0xFFFFFFFFU; 2913 cmd->frame_dma_obj.dma_attr.dma_attr_count_max = 0xFFFFFFFFU; 2914 cmd->frame_dma_obj.dma_attr.dma_attr_sgllen = 1; 2915 cmd->frame_dma_obj.dma_attr.dma_attr_align = 64; 2916 2917 cookie_cnt = mrsas_alloc_dma_obj(instance, &cmd->frame_dma_obj, 2918 (uchar_t)DDI_STRUCTURE_LE_ACC); 2919 2920 if (cookie_cnt == -1 || cookie_cnt > 1) { 2921 dev_err(instance->dip, CE_WARN, 2922 "create_mfi_frame_pool: could not alloc."); 2923 retval = DDI_FAILURE; 2924 goto mrsas_undo_frame_pool; 2925 } 2926 2927 bzero(cmd->frame_dma_obj.buffer, tot_frame_size); 2928 2929 cmd->frame_dma_obj_status = DMA_OBJ_ALLOCATED; 2930 cmd->frame = (union mrsas_frame *)cmd->frame_dma_obj.buffer; 2931 cmd->frame_phys_addr = 2932 cmd->frame_dma_obj.dma_cookie[0].dmac_address; 2933 2934 cmd->sense = (uint8_t *)(((unsigned long) 2935 cmd->frame_dma_obj.buffer) + 2936 tot_frame_size - SENSE_LENGTH); 2937 cmd->sense_phys_addr = 2938 cmd->frame_dma_obj.dma_cookie[0].dmac_address + 2939 tot_frame_size - SENSE_LENGTH; 2940 2941 if (!cmd->frame || !cmd->sense) { 2942 dev_err(instance->dip, CE_WARN, 2943 "pci_pool_alloc failed"); 2944 retval = ENOMEM; 2945 goto mrsas_undo_frame_pool; 2946 } 2947 2948 ddi_put32(cmd->frame_dma_obj.acc_handle, 2949 &cmd->frame->io.context, cmd->index); 2950 i++; 2951 2952 con_log(CL_DLEVEL3, (CE_NOTE, "[%x]-%x", 2953 cmd->index, cmd->frame_phys_addr)); 2954 } 2955 2956 return (DDI_SUCCESS); 2957 2958 mrsas_undo_frame_pool: 2959 if (i > 0) 2960 destroy_mfi_frame_pool(instance); 2961 2962 return (retval); 2963 } 2964 2965 /* 2966 * free_additional_dma_buffer 2967 */ 2968 static void 2969 free_additional_dma_buffer(struct mrsas_instance *instance) 2970 { 2971 if (instance->mfi_internal_dma_obj.status == DMA_OBJ_ALLOCATED) { 2972 (void) mrsas_free_dma_obj(instance, 2973 instance->mfi_internal_dma_obj); 2974 instance->mfi_internal_dma_obj.status = DMA_OBJ_FREED; 2975 } 2976 2977 if (instance->mfi_evt_detail_obj.status == DMA_OBJ_ALLOCATED) { 2978 (void) mrsas_free_dma_obj(instance, 2979 instance->mfi_evt_detail_obj); 2980 instance->mfi_evt_detail_obj.status = DMA_OBJ_FREED; 2981 } 2982 } 2983 2984 /* 2985 * alloc_additional_dma_buffer 2986 */ 2987 static int 2988 alloc_additional_dma_buffer(struct mrsas_instance *instance) 2989 { 2990 uint32_t reply_q_sz; 2991 uint32_t internal_buf_size = PAGESIZE*2; 2992 2993 /* max cmds plus 1 + producer & consumer */ 2994 reply_q_sz = sizeof (uint32_t) * (instance->max_fw_cmds + 1 + 2); 2995 2996 instance->mfi_internal_dma_obj.size = internal_buf_size; 2997 instance->mfi_internal_dma_obj.dma_attr = mrsas_generic_dma_attr; 2998 instance->mfi_internal_dma_obj.dma_attr.dma_attr_addr_hi = 0xFFFFFFFFU; 2999 instance->mfi_internal_dma_obj.dma_attr.dma_attr_count_max = 3000 0xFFFFFFFFU; 3001 instance->mfi_internal_dma_obj.dma_attr.dma_attr_sgllen = 1; 3002 3003 if (mrsas_alloc_dma_obj(instance, &instance->mfi_internal_dma_obj, 3004 (uchar_t)DDI_STRUCTURE_LE_ACC) != 1) { 3005 dev_err(instance->dip, CE_WARN, 3006 "could not alloc reply queue"); 3007 return (DDI_FAILURE); 3008 } 3009 3010 bzero(instance->mfi_internal_dma_obj.buffer, internal_buf_size); 3011 3012 instance->mfi_internal_dma_obj.status |= DMA_OBJ_ALLOCATED; 3013 3014 instance->producer = (uint32_t *)((unsigned long) 3015 instance->mfi_internal_dma_obj.buffer); 3016 instance->consumer = (uint32_t *)((unsigned long) 3017 instance->mfi_internal_dma_obj.buffer + 4); 3018 instance->reply_queue = (uint32_t *)((unsigned long) 3019 instance->mfi_internal_dma_obj.buffer + 8); 3020 instance->internal_buf = (caddr_t)(((unsigned long) 3021 instance->mfi_internal_dma_obj.buffer) + reply_q_sz + 8); 3022 instance->internal_buf_dmac_add = 3023 instance->mfi_internal_dma_obj.dma_cookie[0].dmac_address + 3024 (reply_q_sz + 8); 3025 instance->internal_buf_size = internal_buf_size - 3026 (reply_q_sz + 8); 3027 3028 /* allocate evt_detail */ 3029 instance->mfi_evt_detail_obj.size = sizeof (struct mrsas_evt_detail); 3030 instance->mfi_evt_detail_obj.dma_attr = mrsas_generic_dma_attr; 3031 instance->mfi_evt_detail_obj.dma_attr.dma_attr_addr_hi = 0xFFFFFFFFU; 3032 instance->mfi_evt_detail_obj.dma_attr.dma_attr_count_max = 0xFFFFFFFFU; 3033 instance->mfi_evt_detail_obj.dma_attr.dma_attr_sgllen = 1; 3034 instance->mfi_evt_detail_obj.dma_attr.dma_attr_align = 1; 3035 3036 if (mrsas_alloc_dma_obj(instance, &instance->mfi_evt_detail_obj, 3037 (uchar_t)DDI_STRUCTURE_LE_ACC) != 1) { 3038 dev_err(instance->dip, CE_WARN, "alloc_additional_dma_buffer: " 3039 "could not allocate data transfer buffer."); 3040 goto mrsas_undo_internal_buff; 3041 } 3042 3043 bzero(instance->mfi_evt_detail_obj.buffer, 3044 sizeof (struct mrsas_evt_detail)); 3045 3046 instance->mfi_evt_detail_obj.status |= DMA_OBJ_ALLOCATED; 3047 3048 return (DDI_SUCCESS); 3049 3050 mrsas_undo_internal_buff: 3051 if (instance->mfi_internal_dma_obj.status == DMA_OBJ_ALLOCATED) { 3052 (void) mrsas_free_dma_obj(instance, 3053 instance->mfi_internal_dma_obj); 3054 instance->mfi_internal_dma_obj.status = DMA_OBJ_FREED; 3055 } 3056 3057 return (DDI_FAILURE); 3058 } 3059 3060 3061 void 3062 mrsas_free_cmd_pool(struct mrsas_instance *instance) 3063 { 3064 int i; 3065 uint32_t max_cmd; 3066 size_t sz; 3067 3068 /* already freed */ 3069 if (instance->cmd_list == NULL) { 3070 return; 3071 } 3072 3073 max_cmd = instance->max_fw_cmds; 3074 3075 /* size of cmd_list array */ 3076 sz = sizeof (struct mrsas_cmd *) * max_cmd; 3077 3078 /* First free each cmd */ 3079 for (i = 0; i < max_cmd; i++) { 3080 if (instance->cmd_list[i] != NULL) { 3081 kmem_free(instance->cmd_list[i], 3082 sizeof (struct mrsas_cmd)); 3083 } 3084 3085 instance->cmd_list[i] = NULL; 3086 } 3087 3088 /* Now, free cmd_list array */ 3089 if (instance->cmd_list != NULL) 3090 kmem_free(instance->cmd_list, sz); 3091 3092 instance->cmd_list = NULL; 3093 3094 INIT_LIST_HEAD(&instance->cmd_pool_list); 3095 INIT_LIST_HEAD(&instance->cmd_pend_list); 3096 if (instance->tbolt) { 3097 INIT_LIST_HEAD(&instance->cmd_app_pool_list); 3098 } else { 3099 INIT_LIST_HEAD(&instance->app_cmd_pool_list); 3100 } 3101 3102 } 3103 3104 3105 /* 3106 * mrsas_alloc_cmd_pool 3107 */ 3108 int 3109 mrsas_alloc_cmd_pool(struct mrsas_instance *instance) 3110 { 3111 int i; 3112 int count; 3113 uint32_t max_cmd; 3114 uint32_t reserve_cmd; 3115 size_t sz; 3116 3117 struct mrsas_cmd *cmd; 3118 3119 max_cmd = instance->max_fw_cmds; 3120 con_log(CL_ANN1, (CE_NOTE, "mrsas_alloc_cmd_pool: " 3121 "max_cmd %x", max_cmd)); 3122 3123 3124 sz = sizeof (struct mrsas_cmd *) * max_cmd; 3125 3126 /* 3127 * instance->cmd_list is an array of struct mrsas_cmd pointers. 3128 * Allocate the dynamic array first and then allocate individual 3129 * commands. 3130 */ 3131 instance->cmd_list = kmem_zalloc(sz, KM_SLEEP); 3132 ASSERT(instance->cmd_list); 3133 3134 /* create a frame pool and assign one frame to each cmd */ 3135 for (count = 0; count < max_cmd; count++) { 3136 instance->cmd_list[count] = 3137 kmem_zalloc(sizeof (struct mrsas_cmd), KM_SLEEP); 3138 ASSERT(instance->cmd_list[count]); 3139 } 3140 3141 /* add all the commands to command pool */ 3142 3143 INIT_LIST_HEAD(&instance->cmd_pool_list); 3144 INIT_LIST_HEAD(&instance->cmd_pend_list); 3145 INIT_LIST_HEAD(&instance->app_cmd_pool_list); 3146 3147 /* 3148 * When max_cmd is lower than MRSAS_APP_RESERVED_CMDS, how do I split 3149 * into app_cmd and regular cmd? For now, just take 3150 * max(1/8th of max, 4); 3151 */ 3152 reserve_cmd = min(MRSAS_APP_RESERVED_CMDS, 3153 max(max_cmd >> 3, MRSAS_APP_MIN_RESERVED_CMDS)); 3154 3155 for (i = 0; i < reserve_cmd; i++) { 3156 cmd = instance->cmd_list[i]; 3157 cmd->index = i; 3158 mlist_add_tail(&cmd->list, &instance->app_cmd_pool_list); 3159 } 3160 3161 3162 for (i = reserve_cmd; i < max_cmd; i++) { 3163 cmd = instance->cmd_list[i]; 3164 cmd->index = i; 3165 mlist_add_tail(&cmd->list, &instance->cmd_pool_list); 3166 } 3167 3168 return (DDI_SUCCESS); 3169 3170 mrsas_undo_cmds: 3171 if (count > 0) { 3172 /* free each cmd */ 3173 for (i = 0; i < count; i++) { 3174 if (instance->cmd_list[i] != NULL) { 3175 kmem_free(instance->cmd_list[i], 3176 sizeof (struct mrsas_cmd)); 3177 } 3178 instance->cmd_list[i] = NULL; 3179 } 3180 } 3181 3182 mrsas_undo_cmd_list: 3183 if (instance->cmd_list != NULL) 3184 kmem_free(instance->cmd_list, sz); 3185 instance->cmd_list = NULL; 3186 3187 return (DDI_FAILURE); 3188 } 3189 3190 3191 /* 3192 * free_space_for_mfi 3193 */ 3194 static void 3195 free_space_for_mfi(struct mrsas_instance *instance) 3196 { 3197 3198 /* already freed */ 3199 if (instance->cmd_list == NULL) { 3200 return; 3201 } 3202 3203 /* Free additional dma buffer */ 3204 free_additional_dma_buffer(instance); 3205 3206 /* Free the MFI frame pool */ 3207 destroy_mfi_frame_pool(instance); 3208 3209 /* Free all the commands in the cmd_list */ 3210 /* Free the cmd_list buffer itself */ 3211 mrsas_free_cmd_pool(instance); 3212 } 3213 3214 /* 3215 * alloc_space_for_mfi 3216 */ 3217 static int 3218 alloc_space_for_mfi(struct mrsas_instance *instance) 3219 { 3220 /* Allocate command pool (memory for cmd_list & individual commands) */ 3221 if (mrsas_alloc_cmd_pool(instance)) { 3222 dev_err(instance->dip, CE_WARN, "error creating cmd pool"); 3223 return (DDI_FAILURE); 3224 } 3225 3226 /* Allocate MFI Frame pool */ 3227 if (create_mfi_frame_pool(instance)) { 3228 dev_err(instance->dip, CE_WARN, 3229 "error creating frame DMA pool"); 3230 goto mfi_undo_cmd_pool; 3231 } 3232 3233 /* Allocate additional DMA buffer */ 3234 if (alloc_additional_dma_buffer(instance)) { 3235 dev_err(instance->dip, CE_WARN, 3236 "error creating frame DMA pool"); 3237 goto mfi_undo_frame_pool; 3238 } 3239 3240 return (DDI_SUCCESS); 3241 3242 mfi_undo_frame_pool: 3243 destroy_mfi_frame_pool(instance); 3244 3245 mfi_undo_cmd_pool: 3246 mrsas_free_cmd_pool(instance); 3247 3248 return (DDI_FAILURE); 3249 } 3250 3251 3252 3253 /* 3254 * get_ctrl_info 3255 */ 3256 static int 3257 get_ctrl_info(struct mrsas_instance *instance, 3258 struct mrsas_ctrl_info *ctrl_info) 3259 { 3260 int ret = 0; 3261 3262 struct mrsas_cmd *cmd; 3263 struct mrsas_dcmd_frame *dcmd; 3264 struct mrsas_ctrl_info *ci; 3265 3266 if (instance->tbolt) { 3267 cmd = get_raid_msg_mfi_pkt(instance); 3268 } else { 3269 cmd = mrsas_get_mfi_pkt(instance); 3270 } 3271 3272 if (!cmd) { 3273 con_log(CL_ANN, (CE_WARN, 3274 "Failed to get a cmd for ctrl info")); 3275 DTRACE_PROBE2(info_mfi_err, uint16_t, instance->fw_outstanding, 3276 uint16_t, instance->max_fw_cmds); 3277 return (DDI_FAILURE); 3278 } 3279 3280 /* Clear the frame buffer and assign back the context id */ 3281 (void) memset((char *)&cmd->frame[0], 0, sizeof (union mrsas_frame)); 3282 ddi_put32(cmd->frame_dma_obj.acc_handle, &cmd->frame->hdr.context, 3283 cmd->index); 3284 3285 dcmd = &cmd->frame->dcmd; 3286 3287 ci = (struct mrsas_ctrl_info *)instance->internal_buf; 3288 3289 if (!ci) { 3290 dev_err(instance->dip, CE_WARN, 3291 "Failed to alloc mem for ctrl info"); 3292 mrsas_return_mfi_pkt(instance, cmd); 3293 return (DDI_FAILURE); 3294 } 3295 3296 (void) memset(ci, 0, sizeof (struct mrsas_ctrl_info)); 3297 3298 /* for( i = 0; i < DCMD_MBOX_SZ; i++ ) dcmd->mbox.b[i] = 0; */ 3299 (void) memset(dcmd->mbox.b, 0, DCMD_MBOX_SZ); 3300 3301 ddi_put8(cmd->frame_dma_obj.acc_handle, &dcmd->cmd, MFI_CMD_OP_DCMD); 3302 ddi_put8(cmd->frame_dma_obj.acc_handle, &dcmd->cmd_status, 3303 MFI_CMD_STATUS_POLL_MODE); 3304 ddi_put8(cmd->frame_dma_obj.acc_handle, &dcmd->sge_count, 1); 3305 ddi_put16(cmd->frame_dma_obj.acc_handle, &dcmd->flags, 3306 MFI_FRAME_DIR_READ); 3307 ddi_put16(cmd->frame_dma_obj.acc_handle, &dcmd->timeout, 0); 3308 ddi_put32(cmd->frame_dma_obj.acc_handle, &dcmd->data_xfer_len, 3309 sizeof (struct mrsas_ctrl_info)); 3310 ddi_put32(cmd->frame_dma_obj.acc_handle, &dcmd->opcode, 3311 MR_DCMD_CTRL_GET_INFO); 3312 ddi_put32(cmd->frame_dma_obj.acc_handle, &dcmd->sgl.sge32[0].phys_addr, 3313 instance->internal_buf_dmac_add); 3314 ddi_put32(cmd->frame_dma_obj.acc_handle, &dcmd->sgl.sge32[0].length, 3315 sizeof (struct mrsas_ctrl_info)); 3316 3317 cmd->frame_count = 1; 3318 3319 if (instance->tbolt) { 3320 mr_sas_tbolt_build_mfi_cmd(instance, cmd); 3321 } 3322 3323 if (!instance->func_ptr->issue_cmd_in_poll_mode(instance, cmd)) { 3324 ret = 0; 3325 3326 ctrl_info->max_request_size = ddi_get32( 3327 cmd->frame_dma_obj.acc_handle, &ci->max_request_size); 3328 3329 ctrl_info->ld_present_count = ddi_get16( 3330 cmd->frame_dma_obj.acc_handle, &ci->ld_present_count); 3331 3332 ctrl_info->properties.on_off_properties = ddi_get32( 3333 cmd->frame_dma_obj.acc_handle, 3334 &ci->properties.on_off_properties); 3335 ddi_rep_get8(cmd->frame_dma_obj.acc_handle, 3336 (uint8_t *)(ctrl_info->product_name), 3337 (uint8_t *)(ci->product_name), 80 * sizeof (char), 3338 DDI_DEV_AUTOINCR); 3339 /* should get more members of ci with ddi_get when needed */ 3340 } else { 3341 dev_err(instance->dip, CE_WARN, 3342 "get_ctrl_info: Ctrl info failed"); 3343 ret = -1; 3344 } 3345 3346 if (mrsas_common_check(instance, cmd) != DDI_SUCCESS) { 3347 ret = -1; 3348 } 3349 if (instance->tbolt) { 3350 return_raid_msg_mfi_pkt(instance, cmd); 3351 } else { 3352 mrsas_return_mfi_pkt(instance, cmd); 3353 } 3354 3355 return (ret); 3356 } 3357 3358 /* 3359 * abort_aen_cmd 3360 */ 3361 static int 3362 abort_aen_cmd(struct mrsas_instance *instance, 3363 struct mrsas_cmd *cmd_to_abort) 3364 { 3365 int ret = 0; 3366 3367 struct mrsas_cmd *cmd; 3368 struct mrsas_abort_frame *abort_fr; 3369 3370 con_log(CL_ANN1, (CE_NOTE, "chkpnt: abort_aen:%d", __LINE__)); 3371 3372 if (instance->tbolt) { 3373 cmd = get_raid_msg_mfi_pkt(instance); 3374 } else { 3375 cmd = mrsas_get_mfi_pkt(instance); 3376 } 3377 3378 if (!cmd) { 3379 con_log(CL_ANN1, (CE_WARN, 3380 "abort_aen_cmd():Failed to get a cmd for abort_aen_cmd")); 3381 DTRACE_PROBE2(abort_mfi_err, uint16_t, instance->fw_outstanding, 3382 uint16_t, instance->max_fw_cmds); 3383 return (DDI_FAILURE); 3384 } 3385 3386 /* Clear the frame buffer and assign back the context id */ 3387 (void) memset((char *)&cmd->frame[0], 0, sizeof (union mrsas_frame)); 3388 ddi_put32(cmd->frame_dma_obj.acc_handle, &cmd->frame->hdr.context, 3389 cmd->index); 3390 3391 abort_fr = &cmd->frame->abort; 3392 3393 /* prepare and issue the abort frame */ 3394 ddi_put8(cmd->frame_dma_obj.acc_handle, 3395 &abort_fr->cmd, MFI_CMD_OP_ABORT); 3396 ddi_put8(cmd->frame_dma_obj.acc_handle, &abort_fr->cmd_status, 3397 MFI_CMD_STATUS_SYNC_MODE); 3398 ddi_put16(cmd->frame_dma_obj.acc_handle, &abort_fr->flags, 0); 3399 ddi_put32(cmd->frame_dma_obj.acc_handle, &abort_fr->abort_context, 3400 cmd_to_abort->index); 3401 ddi_put32(cmd->frame_dma_obj.acc_handle, 3402 &abort_fr->abort_mfi_phys_addr_lo, cmd_to_abort->frame_phys_addr); 3403 ddi_put32(cmd->frame_dma_obj.acc_handle, 3404 &abort_fr->abort_mfi_phys_addr_hi, 0); 3405 3406 instance->aen_cmd->abort_aen = 1; 3407 3408 cmd->frame_count = 1; 3409 3410 if (instance->tbolt) { 3411 mr_sas_tbolt_build_mfi_cmd(instance, cmd); 3412 } 3413 3414 if (instance->func_ptr->issue_cmd_in_poll_mode(instance, cmd)) { 3415 con_log(CL_ANN1, (CE_WARN, 3416 "abort_aen_cmd: issue_cmd_in_poll_mode failed")); 3417 ret = -1; 3418 } else { 3419 ret = 0; 3420 } 3421 3422 instance->aen_cmd->abort_aen = 1; 3423 instance->aen_cmd = 0; 3424 3425 if (instance->tbolt) { 3426 return_raid_msg_mfi_pkt(instance, cmd); 3427 } else { 3428 mrsas_return_mfi_pkt(instance, cmd); 3429 } 3430 3431 atomic_add_16(&instance->fw_outstanding, (-1)); 3432 3433 return (ret); 3434 } 3435 3436 3437 static int 3438 mrsas_build_init_cmd(struct mrsas_instance *instance, 3439 struct mrsas_cmd **cmd_ptr) 3440 { 3441 struct mrsas_cmd *cmd; 3442 struct mrsas_init_frame *init_frame; 3443 struct mrsas_init_queue_info *initq_info; 3444 struct mrsas_drv_ver drv_ver_info; 3445 3446 3447 /* 3448 * Prepare a init frame. Note the init frame points to queue info 3449 * structure. Each frame has SGL allocated after first 64 bytes. For 3450 * this frame - since we don't need any SGL - we use SGL's space as 3451 * queue info structure 3452 */ 3453 cmd = *cmd_ptr; 3454 3455 3456 /* Clear the frame buffer and assign back the context id */ 3457 (void) memset((char *)&cmd->frame[0], 0, sizeof (union mrsas_frame)); 3458 ddi_put32(cmd->frame_dma_obj.acc_handle, &cmd->frame->hdr.context, 3459 cmd->index); 3460 3461 init_frame = (struct mrsas_init_frame *)cmd->frame; 3462 initq_info = (struct mrsas_init_queue_info *) 3463 ((unsigned long)init_frame + 64); 3464 3465 (void) memset(init_frame, 0, MRMFI_FRAME_SIZE); 3466 (void) memset(initq_info, 0, sizeof (struct mrsas_init_queue_info)); 3467 3468 ddi_put32(cmd->frame_dma_obj.acc_handle, &initq_info->init_flags, 0); 3469 3470 ddi_put32(cmd->frame_dma_obj.acc_handle, 3471 &initq_info->reply_queue_entries, instance->max_fw_cmds + 1); 3472 3473 ddi_put32(cmd->frame_dma_obj.acc_handle, 3474 &initq_info->producer_index_phys_addr_hi, 0); 3475 ddi_put32(cmd->frame_dma_obj.acc_handle, 3476 &initq_info->producer_index_phys_addr_lo, 3477 instance->mfi_internal_dma_obj.dma_cookie[0].dmac_address); 3478 3479 ddi_put32(cmd->frame_dma_obj.acc_handle, 3480 &initq_info->consumer_index_phys_addr_hi, 0); 3481 ddi_put32(cmd->frame_dma_obj.acc_handle, 3482 &initq_info->consumer_index_phys_addr_lo, 3483 instance->mfi_internal_dma_obj.dma_cookie[0].dmac_address + 4); 3484 3485 ddi_put32(cmd->frame_dma_obj.acc_handle, 3486 &initq_info->reply_queue_start_phys_addr_hi, 0); 3487 ddi_put32(cmd->frame_dma_obj.acc_handle, 3488 &initq_info->reply_queue_start_phys_addr_lo, 3489 instance->mfi_internal_dma_obj.dma_cookie[0].dmac_address + 8); 3490 3491 ddi_put8(cmd->frame_dma_obj.acc_handle, 3492 &init_frame->cmd, MFI_CMD_OP_INIT); 3493 ddi_put8(cmd->frame_dma_obj.acc_handle, &init_frame->cmd_status, 3494 MFI_CMD_STATUS_POLL_MODE); 3495 ddi_put16(cmd->frame_dma_obj.acc_handle, &init_frame->flags, 0); 3496 ddi_put32(cmd->frame_dma_obj.acc_handle, 3497 &init_frame->queue_info_new_phys_addr_lo, 3498 cmd->frame_phys_addr + 64); 3499 ddi_put32(cmd->frame_dma_obj.acc_handle, 3500 &init_frame->queue_info_new_phys_addr_hi, 0); 3501 3502 3503 /* fill driver version information */ 3504 fill_up_drv_ver(&drv_ver_info); 3505 3506 /* allocate the driver version data transfer buffer */ 3507 instance->drv_ver_dma_obj.size = sizeof (drv_ver_info.drv_ver); 3508 instance->drv_ver_dma_obj.dma_attr = mrsas_generic_dma_attr; 3509 instance->drv_ver_dma_obj.dma_attr.dma_attr_addr_hi = 0xFFFFFFFFU; 3510 instance->drv_ver_dma_obj.dma_attr.dma_attr_count_max = 0xFFFFFFFFU; 3511 instance->drv_ver_dma_obj.dma_attr.dma_attr_sgllen = 1; 3512 instance->drv_ver_dma_obj.dma_attr.dma_attr_align = 1; 3513 3514 if (mrsas_alloc_dma_obj(instance, &instance->drv_ver_dma_obj, 3515 (uchar_t)DDI_STRUCTURE_LE_ACC) != 1) { 3516 con_log(CL_ANN, (CE_WARN, 3517 "init_mfi : Could not allocate driver version buffer.")); 3518 return (DDI_FAILURE); 3519 } 3520 /* copy driver version to dma buffer */ 3521 (void) memset(instance->drv_ver_dma_obj.buffer, 0, 3522 sizeof (drv_ver_info.drv_ver)); 3523 ddi_rep_put8(cmd->frame_dma_obj.acc_handle, 3524 (uint8_t *)drv_ver_info.drv_ver, 3525 (uint8_t *)instance->drv_ver_dma_obj.buffer, 3526 sizeof (drv_ver_info.drv_ver), DDI_DEV_AUTOINCR); 3527 3528 3529 /* copy driver version physical address to init frame */ 3530 ddi_put64(cmd->frame_dma_obj.acc_handle, &init_frame->driverversion, 3531 instance->drv_ver_dma_obj.dma_cookie[0].dmac_address); 3532 3533 ddi_put32(cmd->frame_dma_obj.acc_handle, &init_frame->data_xfer_len, 3534 sizeof (struct mrsas_init_queue_info)); 3535 3536 cmd->frame_count = 1; 3537 3538 *cmd_ptr = cmd; 3539 3540 return (DDI_SUCCESS); 3541 } 3542 3543 3544 /* 3545 * mrsas_init_adapter_ppc - Initialize MFI interface adapter. 3546 */ 3547 int 3548 mrsas_init_adapter_ppc(struct mrsas_instance *instance) 3549 { 3550 struct mrsas_cmd *cmd; 3551 3552 /* 3553 * allocate memory for mfi adapter(cmd pool, individual commands, mfi 3554 * frames etc 3555 */ 3556 if (alloc_space_for_mfi(instance) != DDI_SUCCESS) { 3557 con_log(CL_ANN, (CE_NOTE, 3558 "Error, failed to allocate memory for MFI adapter")); 3559 return (DDI_FAILURE); 3560 } 3561 3562 /* Build INIT command */ 3563 cmd = mrsas_get_mfi_pkt(instance); 3564 if (cmd == NULL) { 3565 DTRACE_PROBE2(init_adapter_mfi_err, uint16_t, 3566 instance->fw_outstanding, uint16_t, instance->max_fw_cmds); 3567 return (DDI_FAILURE); 3568 } 3569 3570 if (mrsas_build_init_cmd(instance, &cmd) != DDI_SUCCESS) { 3571 con_log(CL_ANN, 3572 (CE_NOTE, "Error, failed to build INIT command")); 3573 3574 goto fail_undo_alloc_mfi_space; 3575 } 3576 3577 /* 3578 * Disable interrupt before sending init frame ( see linux driver code) 3579 * send INIT MFI frame in polled mode 3580 */ 3581 if (instance->func_ptr->issue_cmd_in_poll_mode(instance, cmd)) { 3582 con_log(CL_ANN, (CE_WARN, "failed to init firmware")); 3583 goto fail_fw_init; 3584 } 3585 3586 if (mrsas_common_check(instance, cmd) != DDI_SUCCESS) 3587 goto fail_fw_init; 3588 mrsas_return_mfi_pkt(instance, cmd); 3589 3590 if (ctio_enable && 3591 (instance->func_ptr->read_fw_status_reg(instance) & 0x04000000)) { 3592 con_log(CL_ANN, (CE_NOTE, "mr_sas: IEEE SGL's supported")); 3593 instance->flag_ieee = 1; 3594 } else { 3595 instance->flag_ieee = 0; 3596 } 3597 3598 ASSERT(!instance->skinny || instance->flag_ieee); 3599 3600 instance->unroll.alloc_space_mfi = 1; 3601 instance->unroll.verBuff = 1; 3602 3603 return (DDI_SUCCESS); 3604 3605 3606 fail_fw_init: 3607 (void) mrsas_free_dma_obj(instance, instance->drv_ver_dma_obj); 3608 3609 fail_undo_alloc_mfi_space: 3610 mrsas_return_mfi_pkt(instance, cmd); 3611 free_space_for_mfi(instance); 3612 3613 return (DDI_FAILURE); 3614 3615 } 3616 3617 /* 3618 * mrsas_init_adapter - Initialize adapter. 3619 */ 3620 int 3621 mrsas_init_adapter(struct mrsas_instance *instance) 3622 { 3623 struct mrsas_ctrl_info ctrl_info; 3624 3625 3626 /* we expect the FW state to be READY */ 3627 if (mfi_state_transition_to_ready(instance)) { 3628 con_log(CL_ANN, (CE_WARN, "mr_sas: F/W is not ready")); 3629 return (DDI_FAILURE); 3630 } 3631 3632 /* get various operational parameters from status register */ 3633 instance->max_num_sge = 3634 (instance->func_ptr->read_fw_status_reg(instance) & 3635 0xFF0000) >> 0x10; 3636 instance->max_num_sge = 3637 (instance->max_num_sge > MRSAS_MAX_SGE_CNT) ? 3638 MRSAS_MAX_SGE_CNT : instance->max_num_sge; 3639 3640 /* 3641 * Reduce the max supported cmds by 1. This is to ensure that the 3642 * reply_q_sz (1 more than the max cmd that driver may send) 3643 * does not exceed max cmds that the FW can support 3644 */ 3645 instance->max_fw_cmds = 3646 instance->func_ptr->read_fw_status_reg(instance) & 0xFFFF; 3647 instance->max_fw_cmds = instance->max_fw_cmds - 1; 3648 3649 3650 3651 /* Initialize adapter */ 3652 if (instance->func_ptr->init_adapter(instance) != DDI_SUCCESS) { 3653 con_log(CL_ANN, 3654 (CE_WARN, "mr_sas: could not initialize adapter")); 3655 return (DDI_FAILURE); 3656 } 3657 3658 /* gather misc FW related information */ 3659 instance->disable_online_ctrl_reset = 0; 3660 3661 if (!get_ctrl_info(instance, &ctrl_info)) { 3662 instance->max_sectors_per_req = ctrl_info.max_request_size; 3663 con_log(CL_ANN1, (CE_NOTE, 3664 "product name %s ld present %d", 3665 ctrl_info.product_name, ctrl_info.ld_present_count)); 3666 } else { 3667 instance->max_sectors_per_req = instance->max_num_sge * 3668 PAGESIZE / 512; 3669 } 3670 3671 if (ctrl_info.properties.on_off_properties & DISABLE_OCR_PROP_FLAG) 3672 instance->disable_online_ctrl_reset = 1; 3673 3674 return (DDI_SUCCESS); 3675 3676 } 3677 3678 3679 3680 static int 3681 mrsas_issue_init_mfi(struct mrsas_instance *instance) 3682 { 3683 struct mrsas_cmd *cmd; 3684 struct mrsas_init_frame *init_frame; 3685 struct mrsas_init_queue_info *initq_info; 3686 3687 /* 3688 * Prepare a init frame. Note the init frame points to queue info 3689 * structure. Each frame has SGL allocated after first 64 bytes. For 3690 * this frame - since we don't need any SGL - we use SGL's space as 3691 * queue info structure 3692 */ 3693 con_log(CL_ANN1, (CE_NOTE, 3694 "mrsas_issue_init_mfi: entry\n")); 3695 cmd = get_mfi_app_pkt(instance); 3696 3697 if (!cmd) { 3698 con_log(CL_ANN1, (CE_WARN, 3699 "mrsas_issue_init_mfi: get_pkt failed\n")); 3700 return (DDI_FAILURE); 3701 } 3702 3703 /* Clear the frame buffer and assign back the context id */ 3704 (void) memset((char *)&cmd->frame[0], 0, sizeof (union mrsas_frame)); 3705 ddi_put32(cmd->frame_dma_obj.acc_handle, &cmd->frame->hdr.context, 3706 cmd->index); 3707 3708 init_frame = (struct mrsas_init_frame *)cmd->frame; 3709 initq_info = (struct mrsas_init_queue_info *) 3710 ((unsigned long)init_frame + 64); 3711 3712 (void) memset(init_frame, 0, MRMFI_FRAME_SIZE); 3713 (void) memset(initq_info, 0, sizeof (struct mrsas_init_queue_info)); 3714 3715 ddi_put32(cmd->frame_dma_obj.acc_handle, &initq_info->init_flags, 0); 3716 3717 ddi_put32(cmd->frame_dma_obj.acc_handle, 3718 &initq_info->reply_queue_entries, instance->max_fw_cmds + 1); 3719 ddi_put32(cmd->frame_dma_obj.acc_handle, 3720 &initq_info->producer_index_phys_addr_hi, 0); 3721 ddi_put32(cmd->frame_dma_obj.acc_handle, 3722 &initq_info->producer_index_phys_addr_lo, 3723 instance->mfi_internal_dma_obj.dma_cookie[0].dmac_address); 3724 ddi_put32(cmd->frame_dma_obj.acc_handle, 3725 &initq_info->consumer_index_phys_addr_hi, 0); 3726 ddi_put32(cmd->frame_dma_obj.acc_handle, 3727 &initq_info->consumer_index_phys_addr_lo, 3728 instance->mfi_internal_dma_obj.dma_cookie[0].dmac_address + 4); 3729 3730 ddi_put32(cmd->frame_dma_obj.acc_handle, 3731 &initq_info->reply_queue_start_phys_addr_hi, 0); 3732 ddi_put32(cmd->frame_dma_obj.acc_handle, 3733 &initq_info->reply_queue_start_phys_addr_lo, 3734 instance->mfi_internal_dma_obj.dma_cookie[0].dmac_address + 8); 3735 3736 ddi_put8(cmd->frame_dma_obj.acc_handle, 3737 &init_frame->cmd, MFI_CMD_OP_INIT); 3738 ddi_put8(cmd->frame_dma_obj.acc_handle, &init_frame->cmd_status, 3739 MFI_CMD_STATUS_POLL_MODE); 3740 ddi_put16(cmd->frame_dma_obj.acc_handle, &init_frame->flags, 0); 3741 ddi_put32(cmd->frame_dma_obj.acc_handle, 3742 &init_frame->queue_info_new_phys_addr_lo, 3743 cmd->frame_phys_addr + 64); 3744 ddi_put32(cmd->frame_dma_obj.acc_handle, 3745 &init_frame->queue_info_new_phys_addr_hi, 0); 3746 3747 ddi_put32(cmd->frame_dma_obj.acc_handle, &init_frame->data_xfer_len, 3748 sizeof (struct mrsas_init_queue_info)); 3749 3750 cmd->frame_count = 1; 3751 3752 /* issue the init frame in polled mode */ 3753 if (instance->func_ptr->issue_cmd_in_poll_mode(instance, cmd)) { 3754 con_log(CL_ANN1, (CE_WARN, 3755 "mrsas_issue_init_mfi():failed to " 3756 "init firmware")); 3757 return_mfi_app_pkt(instance, cmd); 3758 return (DDI_FAILURE); 3759 } 3760 3761 if (mrsas_common_check(instance, cmd) != DDI_SUCCESS) { 3762 return_mfi_app_pkt(instance, cmd); 3763 return (DDI_FAILURE); 3764 } 3765 3766 return_mfi_app_pkt(instance, cmd); 3767 con_log(CL_ANN1, (CE_CONT, "mrsas_issue_init_mfi: Done")); 3768 3769 return (DDI_SUCCESS); 3770 } 3771 /* 3772 * mfi_state_transition_to_ready : Move the FW to READY state 3773 * 3774 * @reg_set : MFI register set 3775 */ 3776 int 3777 mfi_state_transition_to_ready(struct mrsas_instance *instance) 3778 { 3779 int i; 3780 uint8_t max_wait; 3781 uint32_t fw_ctrl = 0; 3782 uint32_t fw_state; 3783 uint32_t cur_state; 3784 uint32_t cur_abs_reg_val; 3785 uint32_t prev_abs_reg_val; 3786 uint32_t status; 3787 3788 cur_abs_reg_val = 3789 instance->func_ptr->read_fw_status_reg(instance); 3790 fw_state = 3791 cur_abs_reg_val & MFI_STATE_MASK; 3792 con_log(CL_ANN1, (CE_CONT, 3793 "mfi_state_transition_to_ready:FW state = 0x%x", fw_state)); 3794 3795 while (fw_state != MFI_STATE_READY) { 3796 con_log(CL_ANN, (CE_CONT, 3797 "mfi_state_transition_to_ready:FW state%x", fw_state)); 3798 3799 switch (fw_state) { 3800 case MFI_STATE_FAULT: 3801 con_log(CL_ANN, (CE_NOTE, 3802 "mr_sas: FW in FAULT state!!")); 3803 3804 return (ENODEV); 3805 case MFI_STATE_WAIT_HANDSHAKE: 3806 /* set the CLR bit in IMR0 */ 3807 con_log(CL_ANN1, (CE_NOTE, 3808 "mr_sas: FW waiting for HANDSHAKE")); 3809 /* 3810 * PCI_Hot Plug: MFI F/W requires 3811 * (MFI_INIT_CLEAR_HANDSHAKE|MFI_INIT_HOTPLUG) 3812 * to be set 3813 */ 3814 /* WR_IB_MSG_0(MFI_INIT_CLEAR_HANDSHAKE, instance); */ 3815 if (!instance->tbolt && !instance->skinny) { 3816 WR_IB_DOORBELL(MFI_INIT_CLEAR_HANDSHAKE | 3817 MFI_INIT_HOTPLUG, instance); 3818 } else { 3819 WR_RESERVED0_REGISTER(MFI_INIT_CLEAR_HANDSHAKE | 3820 MFI_INIT_HOTPLUG, instance); 3821 } 3822 max_wait = (instance->tbolt == 1) ? 180 : 2; 3823 cur_state = MFI_STATE_WAIT_HANDSHAKE; 3824 break; 3825 case MFI_STATE_BOOT_MESSAGE_PENDING: 3826 /* set the CLR bit in IMR0 */ 3827 con_log(CL_ANN1, (CE_NOTE, 3828 "mr_sas: FW state boot message pending")); 3829 /* 3830 * PCI_Hot Plug: MFI F/W requires 3831 * (MFI_INIT_CLEAR_HANDSHAKE|MFI_INIT_HOTPLUG) 3832 * to be set 3833 */ 3834 if (!instance->tbolt && !instance->skinny) { 3835 WR_IB_DOORBELL(MFI_INIT_HOTPLUG, instance); 3836 } else { 3837 WR_RESERVED0_REGISTER(MFI_INIT_HOTPLUG, 3838 instance); 3839 } 3840 max_wait = (instance->tbolt == 1) ? 180 : 10; 3841 cur_state = MFI_STATE_BOOT_MESSAGE_PENDING; 3842 break; 3843 case MFI_STATE_OPERATIONAL: 3844 /* bring it to READY state; assuming max wait 2 secs */ 3845 instance->func_ptr->disable_intr(instance); 3846 con_log(CL_ANN1, (CE_NOTE, 3847 "mr_sas: FW in OPERATIONAL state")); 3848 /* 3849 * PCI_Hot Plug: MFI F/W requires 3850 * (MFI_INIT_READY | MFI_INIT_MFIMODE | MFI_INIT_ABORT) 3851 * to be set 3852 */ 3853 /* WR_IB_DOORBELL(MFI_INIT_READY, instance); */ 3854 if (!instance->tbolt && !instance->skinny) { 3855 WR_IB_DOORBELL(MFI_RESET_FLAGS, instance); 3856 } else { 3857 WR_RESERVED0_REGISTER(MFI_RESET_FLAGS, 3858 instance); 3859 3860 for (i = 0; i < (10 * 1000); i++) { 3861 status = 3862 RD_RESERVED0_REGISTER(instance); 3863 if (status & 1) { 3864 delay(1 * 3865 drv_usectohz(MILLISEC)); 3866 } else { 3867 break; 3868 } 3869 } 3870 3871 } 3872 max_wait = (instance->tbolt == 1) ? 180 : 10; 3873 cur_state = MFI_STATE_OPERATIONAL; 3874 break; 3875 case MFI_STATE_UNDEFINED: 3876 /* this state should not last for more than 2 seconds */ 3877 con_log(CL_ANN1, (CE_NOTE, "FW state undefined")); 3878 3879 max_wait = (instance->tbolt == 1) ? 180 : 2; 3880 cur_state = MFI_STATE_UNDEFINED; 3881 break; 3882 case MFI_STATE_BB_INIT: 3883 max_wait = (instance->tbolt == 1) ? 180 : 2; 3884 cur_state = MFI_STATE_BB_INIT; 3885 break; 3886 case MFI_STATE_FW_INIT: 3887 max_wait = (instance->tbolt == 1) ? 180 : 2; 3888 cur_state = MFI_STATE_FW_INIT; 3889 break; 3890 case MFI_STATE_FW_INIT_2: 3891 max_wait = 180; 3892 cur_state = MFI_STATE_FW_INIT_2; 3893 break; 3894 case MFI_STATE_DEVICE_SCAN: 3895 max_wait = 180; 3896 cur_state = MFI_STATE_DEVICE_SCAN; 3897 prev_abs_reg_val = cur_abs_reg_val; 3898 con_log(CL_NONE, (CE_NOTE, 3899 "Device scan in progress ...\n")); 3900 break; 3901 case MFI_STATE_FLUSH_CACHE: 3902 max_wait = 180; 3903 cur_state = MFI_STATE_FLUSH_CACHE; 3904 break; 3905 default: 3906 con_log(CL_ANN1, (CE_NOTE, 3907 "mr_sas: Unknown state 0x%x", fw_state)); 3908 return (ENODEV); 3909 } 3910 3911 /* the cur_state should not last for more than max_wait secs */ 3912 for (i = 0; i < (max_wait * MILLISEC); i++) { 3913 /* fw_state = RD_OB_MSG_0(instance) & MFI_STATE_MASK; */ 3914 cur_abs_reg_val = 3915 instance->func_ptr->read_fw_status_reg(instance); 3916 fw_state = cur_abs_reg_val & MFI_STATE_MASK; 3917 3918 if (fw_state == cur_state) { 3919 delay(1 * drv_usectohz(MILLISEC)); 3920 } else { 3921 break; 3922 } 3923 } 3924 if (fw_state == MFI_STATE_DEVICE_SCAN) { 3925 if (prev_abs_reg_val != cur_abs_reg_val) { 3926 continue; 3927 } 3928 } 3929 3930 /* return error if fw_state hasn't changed after max_wait */ 3931 if (fw_state == cur_state) { 3932 con_log(CL_ANN1, (CE_WARN, 3933 "FW state hasn't changed in %d secs", max_wait)); 3934 return (ENODEV); 3935 } 3936 }; 3937 3938 /* This may also need to apply to Skinny, but for now, don't worry. */ 3939 if (!instance->tbolt && !instance->skinny) { 3940 fw_ctrl = RD_IB_DOORBELL(instance); 3941 con_log(CL_ANN1, (CE_CONT, 3942 "mfi_state_transition_to_ready:FW ctrl = 0x%x", fw_ctrl)); 3943 3944 /* 3945 * Write 0xF to the doorbell register to do the following. 3946 * - Abort all outstanding commands (bit 0). 3947 * - Transition from OPERATIONAL to READY state (bit 1). 3948 * - Discard (possible) low MFA posted in 64-bit mode (bit-2). 3949 * - Set to release FW to continue running (i.e. BIOS handshake 3950 * (bit 3). 3951 */ 3952 WR_IB_DOORBELL(0xF, instance); 3953 } 3954 3955 if (mrsas_check_acc_handle(instance->regmap_handle) != DDI_SUCCESS) { 3956 return (EIO); 3957 } 3958 3959 return (DDI_SUCCESS); 3960 } 3961 3962 /* 3963 * get_seq_num 3964 */ 3965 static int 3966 get_seq_num(struct mrsas_instance *instance, 3967 struct mrsas_evt_log_info *eli) 3968 { 3969 int ret = DDI_SUCCESS; 3970 3971 dma_obj_t dcmd_dma_obj; 3972 struct mrsas_cmd *cmd; 3973 struct mrsas_dcmd_frame *dcmd; 3974 struct mrsas_evt_log_info *eli_tmp; 3975 if (instance->tbolt) { 3976 cmd = get_raid_msg_mfi_pkt(instance); 3977 } else { 3978 cmd = mrsas_get_mfi_pkt(instance); 3979 } 3980 3981 if (!cmd) { 3982 dev_err(instance->dip, CE_WARN, "failed to get a cmd"); 3983 DTRACE_PROBE2(seq_num_mfi_err, uint16_t, 3984 instance->fw_outstanding, uint16_t, instance->max_fw_cmds); 3985 return (ENOMEM); 3986 } 3987 3988 /* Clear the frame buffer and assign back the context id */ 3989 (void) memset((char *)&cmd->frame[0], 0, sizeof (union mrsas_frame)); 3990 ddi_put32(cmd->frame_dma_obj.acc_handle, &cmd->frame->hdr.context, 3991 cmd->index); 3992 3993 dcmd = &cmd->frame->dcmd; 3994 3995 /* allocate the data transfer buffer */ 3996 dcmd_dma_obj.size = sizeof (struct mrsas_evt_log_info); 3997 dcmd_dma_obj.dma_attr = mrsas_generic_dma_attr; 3998 dcmd_dma_obj.dma_attr.dma_attr_addr_hi = 0xFFFFFFFFU; 3999 dcmd_dma_obj.dma_attr.dma_attr_count_max = 0xFFFFFFFFU; 4000 dcmd_dma_obj.dma_attr.dma_attr_sgllen = 1; 4001 dcmd_dma_obj.dma_attr.dma_attr_align = 1; 4002 4003 if (mrsas_alloc_dma_obj(instance, &dcmd_dma_obj, 4004 (uchar_t)DDI_STRUCTURE_LE_ACC) != 1) { 4005 dev_err(instance->dip, CE_WARN, 4006 "get_seq_num: could not allocate data transfer buffer."); 4007 return (DDI_FAILURE); 4008 } 4009 4010 (void) memset(dcmd_dma_obj.buffer, 0, 4011 sizeof (struct mrsas_evt_log_info)); 4012 4013 (void) memset(dcmd->mbox.b, 0, DCMD_MBOX_SZ); 4014 4015 ddi_put8(cmd->frame_dma_obj.acc_handle, &dcmd->cmd, MFI_CMD_OP_DCMD); 4016 ddi_put8(cmd->frame_dma_obj.acc_handle, &dcmd->cmd_status, 0); 4017 ddi_put8(cmd->frame_dma_obj.acc_handle, &dcmd->sge_count, 1); 4018 ddi_put16(cmd->frame_dma_obj.acc_handle, &dcmd->flags, 4019 MFI_FRAME_DIR_READ); 4020 ddi_put16(cmd->frame_dma_obj.acc_handle, &dcmd->timeout, 0); 4021 ddi_put32(cmd->frame_dma_obj.acc_handle, &dcmd->data_xfer_len, 4022 sizeof (struct mrsas_evt_log_info)); 4023 ddi_put32(cmd->frame_dma_obj.acc_handle, &dcmd->opcode, 4024 MR_DCMD_CTRL_EVENT_GET_INFO); 4025 ddi_put32(cmd->frame_dma_obj.acc_handle, &dcmd->sgl.sge32[0].length, 4026 sizeof (struct mrsas_evt_log_info)); 4027 ddi_put32(cmd->frame_dma_obj.acc_handle, &dcmd->sgl.sge32[0].phys_addr, 4028 dcmd_dma_obj.dma_cookie[0].dmac_address); 4029 4030 cmd->sync_cmd = MRSAS_TRUE; 4031 cmd->frame_count = 1; 4032 4033 if (instance->tbolt) { 4034 mr_sas_tbolt_build_mfi_cmd(instance, cmd); 4035 } 4036 4037 if (instance->func_ptr->issue_cmd_in_sync_mode(instance, cmd)) { 4038 dev_err(instance->dip, CE_WARN, "get_seq_num: " 4039 "failed to issue MRSAS_DCMD_CTRL_EVENT_GET_INFO"); 4040 ret = DDI_FAILURE; 4041 } else { 4042 eli_tmp = (struct mrsas_evt_log_info *)dcmd_dma_obj.buffer; 4043 eli->newest_seq_num = ddi_get32(cmd->frame_dma_obj.acc_handle, 4044 &eli_tmp->newest_seq_num); 4045 ret = DDI_SUCCESS; 4046 } 4047 4048 if (mrsas_free_dma_obj(instance, dcmd_dma_obj) != DDI_SUCCESS) 4049 ret = DDI_FAILURE; 4050 4051 if (instance->tbolt) { 4052 return_raid_msg_mfi_pkt(instance, cmd); 4053 } else { 4054 mrsas_return_mfi_pkt(instance, cmd); 4055 } 4056 4057 return (ret); 4058 } 4059 4060 /* 4061 * start_mfi_aen 4062 */ 4063 static int 4064 start_mfi_aen(struct mrsas_instance *instance) 4065 { 4066 int ret = 0; 4067 4068 struct mrsas_evt_log_info eli; 4069 union mrsas_evt_class_locale class_locale; 4070 4071 /* get the latest sequence number from FW */ 4072 (void) memset(&eli, 0, sizeof (struct mrsas_evt_log_info)); 4073 4074 if (get_seq_num(instance, &eli)) { 4075 dev_err(instance->dip, CE_WARN, 4076 "start_mfi_aen: failed to get seq num"); 4077 return (-1); 4078 } 4079 4080 /* register AEN with FW for latest sequence number plus 1 */ 4081 class_locale.members.reserved = 0; 4082 class_locale.members.locale = LE_16(MR_EVT_LOCALE_ALL); 4083 class_locale.members.class = MR_EVT_CLASS_INFO; 4084 class_locale.word = LE_32(class_locale.word); 4085 ret = register_mfi_aen(instance, eli.newest_seq_num + 1, 4086 class_locale.word); 4087 4088 if (ret) { 4089 dev_err(instance->dip, CE_WARN, 4090 "start_mfi_aen: aen registration failed"); 4091 return (-1); 4092 } 4093 4094 4095 return (ret); 4096 } 4097 4098 /* 4099 * flush_cache 4100 */ 4101 static void 4102 flush_cache(struct mrsas_instance *instance) 4103 { 4104 struct mrsas_cmd *cmd = NULL; 4105 struct mrsas_dcmd_frame *dcmd; 4106 if (instance->tbolt) { 4107 cmd = get_raid_msg_mfi_pkt(instance); 4108 } else { 4109 cmd = mrsas_get_mfi_pkt(instance); 4110 } 4111 4112 if (!cmd) { 4113 con_log(CL_ANN1, (CE_WARN, 4114 "flush_cache():Failed to get a cmd for flush_cache")); 4115 DTRACE_PROBE2(flush_cache_err, uint16_t, 4116 instance->fw_outstanding, uint16_t, instance->max_fw_cmds); 4117 return; 4118 } 4119 4120 /* Clear the frame buffer and assign back the context id */ 4121 (void) memset((char *)&cmd->frame[0], 0, sizeof (union mrsas_frame)); 4122 ddi_put32(cmd->frame_dma_obj.acc_handle, &cmd->frame->hdr.context, 4123 cmd->index); 4124 4125 dcmd = &cmd->frame->dcmd; 4126 4127 (void) memset(dcmd->mbox.b, 0, DCMD_MBOX_SZ); 4128 4129 ddi_put8(cmd->frame_dma_obj.acc_handle, &dcmd->cmd, MFI_CMD_OP_DCMD); 4130 ddi_put8(cmd->frame_dma_obj.acc_handle, &dcmd->cmd_status, 0x0); 4131 ddi_put8(cmd->frame_dma_obj.acc_handle, &dcmd->sge_count, 0); 4132 ddi_put16(cmd->frame_dma_obj.acc_handle, &dcmd->flags, 4133 MFI_FRAME_DIR_NONE); 4134 ddi_put16(cmd->frame_dma_obj.acc_handle, &dcmd->timeout, 0); 4135 ddi_put32(cmd->frame_dma_obj.acc_handle, &dcmd->data_xfer_len, 0); 4136 ddi_put32(cmd->frame_dma_obj.acc_handle, &dcmd->opcode, 4137 MR_DCMD_CTRL_CACHE_FLUSH); 4138 ddi_put8(cmd->frame_dma_obj.acc_handle, &dcmd->mbox.b[0], 4139 MR_FLUSH_CTRL_CACHE | MR_FLUSH_DISK_CACHE); 4140 4141 cmd->frame_count = 1; 4142 4143 if (instance->tbolt) { 4144 mr_sas_tbolt_build_mfi_cmd(instance, cmd); 4145 } 4146 4147 if (instance->func_ptr->issue_cmd_in_poll_mode(instance, cmd)) { 4148 con_log(CL_ANN1, (CE_WARN, 4149 "flush_cache: failed to issue MFI_DCMD_CTRL_CACHE_FLUSH")); 4150 } 4151 con_log(CL_ANN1, (CE_CONT, "flush_cache done")); 4152 if (instance->tbolt) { 4153 return_raid_msg_mfi_pkt(instance, cmd); 4154 } else { 4155 mrsas_return_mfi_pkt(instance, cmd); 4156 } 4157 4158 } 4159 4160 /* 4161 * service_mfi_aen- Completes an AEN command 4162 * @instance: Adapter soft state 4163 * @cmd: Command to be completed 4164 * 4165 */ 4166 void 4167 service_mfi_aen(struct mrsas_instance *instance, struct mrsas_cmd *cmd) 4168 { 4169 uint32_t seq_num; 4170 struct mrsas_evt_detail *evt_detail = 4171 (struct mrsas_evt_detail *)instance->mfi_evt_detail_obj.buffer; 4172 int rval = 0; 4173 int tgt = 0; 4174 uint8_t dtype; 4175 mrsas_pd_address_t *pd_addr; 4176 ddi_acc_handle_t acc_handle; 4177 4178 con_log(CL_ANN, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__)); 4179 4180 acc_handle = cmd->frame_dma_obj.acc_handle; 4181 cmd->cmd_status = ddi_get8(acc_handle, &cmd->frame->io.cmd_status); 4182 if (cmd->cmd_status == ENODATA) { 4183 cmd->cmd_status = 0; 4184 } 4185 4186 /* 4187 * log the MFI AEN event to the sysevent queue so that 4188 * application will get noticed 4189 */ 4190 if (ddi_log_sysevent(instance->dip, DDI_VENDOR_LSI, "LSIMEGA", "SAS", 4191 NULL, NULL, DDI_NOSLEEP) != DDI_SUCCESS) { 4192 int instance_no = ddi_get_instance(instance->dip); 4193 con_log(CL_ANN, (CE_WARN, 4194 "mr_sas%d: Failed to log AEN event", instance_no)); 4195 } 4196 /* 4197 * Check for any ld devices that has changed state. i.e. online 4198 * or offline. 4199 */ 4200 con_log(CL_ANN1, (CE_CONT, 4201 "AEN: code = %x class = %x locale = %x args = %x", 4202 ddi_get32(acc_handle, &evt_detail->code), 4203 evt_detail->cl.members.class, 4204 ddi_get16(acc_handle, &evt_detail->cl.members.locale), 4205 ddi_get8(acc_handle, &evt_detail->arg_type))); 4206 4207 switch (ddi_get32(acc_handle, &evt_detail->code)) { 4208 case MR_EVT_CFG_CLEARED: { 4209 for (tgt = 0; tgt < MRDRV_MAX_LD; tgt++) { 4210 if (instance->mr_ld_list[tgt].dip != NULL) { 4211 mutex_enter(&instance->config_dev_mtx); 4212 instance->mr_ld_list[tgt].flag = 4213 (uint8_t)~MRDRV_TGT_VALID; 4214 mutex_exit(&instance->config_dev_mtx); 4215 rval = mrsas_service_evt(instance, tgt, 0, 4216 MRSAS_EVT_UNCONFIG_TGT, NULL); 4217 con_log(CL_ANN1, (CE_WARN, 4218 "mr_sas: CFG CLEARED AEN rval = %d " 4219 "tgt id = %d", rval, tgt)); 4220 } 4221 } 4222 break; 4223 } 4224 4225 case MR_EVT_LD_DELETED: { 4226 tgt = ddi_get16(acc_handle, &evt_detail->args.ld.target_id); 4227 mutex_enter(&instance->config_dev_mtx); 4228 instance->mr_ld_list[tgt].flag = (uint8_t)~MRDRV_TGT_VALID; 4229 mutex_exit(&instance->config_dev_mtx); 4230 rval = mrsas_service_evt(instance, 4231 ddi_get16(acc_handle, &evt_detail->args.ld.target_id), 0, 4232 MRSAS_EVT_UNCONFIG_TGT, NULL); 4233 con_log(CL_ANN1, (CE_WARN, "mr_sas: LD DELETED AEN rval = %d " 4234 "tgt id = %d index = %d", rval, 4235 ddi_get16(acc_handle, &evt_detail->args.ld.target_id), 4236 ddi_get8(acc_handle, &evt_detail->args.ld.ld_index))); 4237 break; 4238 } /* End of MR_EVT_LD_DELETED */ 4239 4240 case MR_EVT_LD_CREATED: { 4241 rval = mrsas_service_evt(instance, 4242 ddi_get16(acc_handle, &evt_detail->args.ld.target_id), 0, 4243 MRSAS_EVT_CONFIG_TGT, NULL); 4244 con_log(CL_ANN1, (CE_WARN, "mr_sas: LD CREATED AEN rval = %d " 4245 "tgt id = %d index = %d", rval, 4246 ddi_get16(acc_handle, &evt_detail->args.ld.target_id), 4247 ddi_get8(acc_handle, &evt_detail->args.ld.ld_index))); 4248 break; 4249 } /* End of MR_EVT_LD_CREATED */ 4250 4251 case MR_EVT_PD_REMOVED_EXT: { 4252 if (instance->tbolt || instance->skinny) { 4253 pd_addr = &evt_detail->args.pd_addr; 4254 dtype = pd_addr->scsi_dev_type; 4255 con_log(CL_DLEVEL1, (CE_NOTE, 4256 " MR_EVT_PD_REMOVED_EXT: dtype = %x," 4257 " arg_type = %d ", dtype, evt_detail->arg_type)); 4258 tgt = ddi_get16(acc_handle, 4259 &evt_detail->args.pd.device_id); 4260 mutex_enter(&instance->config_dev_mtx); 4261 instance->mr_tbolt_pd_list[tgt].flag = 4262 (uint8_t)~MRDRV_TGT_VALID; 4263 mutex_exit(&instance->config_dev_mtx); 4264 rval = mrsas_service_evt(instance, ddi_get16( 4265 acc_handle, &evt_detail->args.pd.device_id), 4266 1, MRSAS_EVT_UNCONFIG_TGT, NULL); 4267 con_log(CL_ANN1, (CE_WARN, "mr_sas: PD_REMOVED:" 4268 "rval = %d tgt id = %d ", rval, 4269 ddi_get16(acc_handle, 4270 &evt_detail->args.pd.device_id))); 4271 } 4272 break; 4273 } /* End of MR_EVT_PD_REMOVED_EXT */ 4274 4275 case MR_EVT_PD_INSERTED_EXT: { 4276 if (instance->tbolt || instance->skinny) { 4277 rval = mrsas_service_evt(instance, 4278 ddi_get16(acc_handle, 4279 &evt_detail->args.pd.device_id), 4280 1, MRSAS_EVT_CONFIG_TGT, NULL); 4281 con_log(CL_ANN1, (CE_WARN, "mr_sas: PD_INSERTEDi_EXT:" 4282 "rval = %d tgt id = %d ", rval, 4283 ddi_get16(acc_handle, 4284 &evt_detail->args.pd.device_id))); 4285 } 4286 break; 4287 } /* End of MR_EVT_PD_INSERTED_EXT */ 4288 4289 case MR_EVT_PD_STATE_CHANGE: { 4290 if (instance->tbolt || instance->skinny) { 4291 tgt = ddi_get16(acc_handle, 4292 &evt_detail->args.pd.device_id); 4293 if ((evt_detail->args.pd_state.prevState == 4294 PD_SYSTEM) && 4295 (evt_detail->args.pd_state.newState != PD_SYSTEM)) { 4296 mutex_enter(&instance->config_dev_mtx); 4297 instance->mr_tbolt_pd_list[tgt].flag = 4298 (uint8_t)~MRDRV_TGT_VALID; 4299 mutex_exit(&instance->config_dev_mtx); 4300 rval = mrsas_service_evt(instance, 4301 ddi_get16(acc_handle, 4302 &evt_detail->args.pd.device_id), 4303 1, MRSAS_EVT_UNCONFIG_TGT, NULL); 4304 con_log(CL_ANN1, (CE_WARN, "mr_sas: PD_REMOVED:" 4305 "rval = %d tgt id = %d ", rval, 4306 ddi_get16(acc_handle, 4307 &evt_detail->args.pd.device_id))); 4308 break; 4309 } 4310 if ((evt_detail->args.pd_state.prevState 4311 == UNCONFIGURED_GOOD) && 4312 (evt_detail->args.pd_state.newState == PD_SYSTEM)) { 4313 rval = mrsas_service_evt(instance, 4314 ddi_get16(acc_handle, 4315 &evt_detail->args.pd.device_id), 4316 1, MRSAS_EVT_CONFIG_TGT, NULL); 4317 con_log(CL_ANN1, (CE_WARN, 4318 "mr_sas: PD_INSERTED: rval = %d " 4319 " tgt id = %d ", rval, 4320 ddi_get16(acc_handle, 4321 &evt_detail->args.pd.device_id))); 4322 break; 4323 } 4324 } 4325 break; 4326 } 4327 4328 } /* End of Main Switch */ 4329 4330 /* get copy of seq_num and class/locale for re-registration */ 4331 seq_num = ddi_get32(acc_handle, &evt_detail->seq_num); 4332 seq_num++; 4333 (void) memset(instance->mfi_evt_detail_obj.buffer, 0, 4334 sizeof (struct mrsas_evt_detail)); 4335 4336 ddi_put8(acc_handle, &cmd->frame->dcmd.cmd_status, 0x0); 4337 ddi_put32(acc_handle, &cmd->frame->dcmd.mbox.w[0], seq_num); 4338 4339 instance->aen_seq_num = seq_num; 4340 4341 cmd->frame_count = 1; 4342 4343 cmd->retry_count_for_ocr = 0; 4344 cmd->drv_pkt_time = 0; 4345 4346 /* Issue the aen registration frame */ 4347 instance->func_ptr->issue_cmd(cmd, instance); 4348 } 4349 4350 /* 4351 * complete_cmd_in_sync_mode - Completes an internal command 4352 * @instance: Adapter soft state 4353 * @cmd: Command to be completed 4354 * 4355 * The issue_cmd_in_sync_mode() function waits for a command to complete 4356 * after it issues a command. This function wakes up that waiting routine by 4357 * calling wake_up() on the wait queue. 4358 */ 4359 static void 4360 complete_cmd_in_sync_mode(struct mrsas_instance *instance, 4361 struct mrsas_cmd *cmd) 4362 { 4363 cmd->cmd_status = ddi_get8(cmd->frame_dma_obj.acc_handle, 4364 &cmd->frame->io.cmd_status); 4365 4366 cmd->sync_cmd = MRSAS_FALSE; 4367 4368 con_log(CL_ANN1, (CE_NOTE, "complete_cmd_in_sync_mode called %p \n", 4369 (void *)cmd)); 4370 4371 mutex_enter(&instance->int_cmd_mtx); 4372 if (cmd->cmd_status == ENODATA) { 4373 cmd->cmd_status = 0; 4374 } 4375 cv_broadcast(&instance->int_cmd_cv); 4376 mutex_exit(&instance->int_cmd_mtx); 4377 4378 } 4379 4380 /* 4381 * Call this function inside mrsas_softintr. 4382 * mrsas_initiate_ocr_if_fw_is_faulty - Initiates OCR if FW status is faulty 4383 * @instance: Adapter soft state 4384 */ 4385 4386 static uint32_t 4387 mrsas_initiate_ocr_if_fw_is_faulty(struct mrsas_instance *instance) 4388 { 4389 uint32_t cur_abs_reg_val; 4390 uint32_t fw_state; 4391 4392 cur_abs_reg_val = instance->func_ptr->read_fw_status_reg(instance); 4393 fw_state = cur_abs_reg_val & MFI_STATE_MASK; 4394 if (fw_state == MFI_STATE_FAULT) { 4395 if (instance->disable_online_ctrl_reset == 1) { 4396 dev_err(instance->dip, CE_WARN, 4397 "mrsas_initiate_ocr_if_fw_is_faulty: " 4398 "FW in Fault state, detected in ISR: " 4399 "FW doesn't support ocr "); 4400 4401 return (ADAPTER_RESET_NOT_REQUIRED); 4402 } else { 4403 con_log(CL_ANN, (CE_NOTE, 4404 "mrsas_initiate_ocr_if_fw_is_faulty: FW in Fault " 4405 "state, detected in ISR: FW supports ocr ")); 4406 4407 return (ADAPTER_RESET_REQUIRED); 4408 } 4409 } 4410 4411 return (ADAPTER_RESET_NOT_REQUIRED); 4412 } 4413 4414 /* 4415 * mrsas_softintr - The Software ISR 4416 * @param arg : HBA soft state 4417 * 4418 * called from high-level interrupt if hi-level interrupt are not there, 4419 * otherwise triggered as a soft interrupt 4420 */ 4421 static uint_t 4422 mrsas_softintr(struct mrsas_instance *instance) 4423 { 4424 struct scsi_pkt *pkt; 4425 struct scsa_cmd *acmd; 4426 struct mrsas_cmd *cmd; 4427 struct mlist_head *pos, *next; 4428 mlist_t process_list; 4429 struct mrsas_header *hdr; 4430 struct scsi_arq_status *arqstat; 4431 4432 con_log(CL_ANN1, (CE_NOTE, "mrsas_softintr() called.")); 4433 4434 ASSERT(instance); 4435 4436 mutex_enter(&instance->completed_pool_mtx); 4437 4438 if (mlist_empty(&instance->completed_pool_list)) { 4439 mutex_exit(&instance->completed_pool_mtx); 4440 return (DDI_INTR_CLAIMED); 4441 } 4442 4443 instance->softint_running = 1; 4444 4445 INIT_LIST_HEAD(&process_list); 4446 mlist_splice(&instance->completed_pool_list, &process_list); 4447 INIT_LIST_HEAD(&instance->completed_pool_list); 4448 4449 mutex_exit(&instance->completed_pool_mtx); 4450 4451 /* perform all callbacks first, before releasing the SCBs */ 4452 mlist_for_each_safe(pos, next, &process_list) { 4453 cmd = mlist_entry(pos, struct mrsas_cmd, list); 4454 4455 /* syncronize the Cmd frame for the controller */ 4456 (void) ddi_dma_sync(cmd->frame_dma_obj.dma_handle, 4457 0, 0, DDI_DMA_SYNC_FORCPU); 4458 4459 if (mrsas_check_dma_handle(cmd->frame_dma_obj.dma_handle) != 4460 DDI_SUCCESS) { 4461 mrsas_fm_ereport(instance, DDI_FM_DEVICE_NO_RESPONSE); 4462 ddi_fm_service_impact(instance->dip, DDI_SERVICE_LOST); 4463 con_log(CL_ANN1, (CE_WARN, 4464 "mrsas_softintr: " 4465 "FMA check reports DMA handle failure")); 4466 return (DDI_INTR_CLAIMED); 4467 } 4468 4469 hdr = &cmd->frame->hdr; 4470 4471 /* remove the internal command from the process list */ 4472 mlist_del_init(&cmd->list); 4473 4474 switch (ddi_get8(cmd->frame_dma_obj.acc_handle, &hdr->cmd)) { 4475 case MFI_CMD_OP_PD_SCSI: 4476 case MFI_CMD_OP_LD_SCSI: 4477 case MFI_CMD_OP_LD_READ: 4478 case MFI_CMD_OP_LD_WRITE: 4479 /* 4480 * MFI_CMD_OP_PD_SCSI and MFI_CMD_OP_LD_SCSI 4481 * could have been issued either through an 4482 * IO path or an IOCTL path. If it was via IOCTL, 4483 * we will send it to internal completion. 4484 */ 4485 if (cmd->sync_cmd == MRSAS_TRUE) { 4486 complete_cmd_in_sync_mode(instance, cmd); 4487 break; 4488 } 4489 4490 /* regular commands */ 4491 acmd = cmd->cmd; 4492 pkt = CMD2PKT(acmd); 4493 4494 if (acmd->cmd_flags & CFLAG_DMAVALID) { 4495 if (acmd->cmd_flags & CFLAG_CONSISTENT) { 4496 (void) ddi_dma_sync(acmd->cmd_dmahandle, 4497 acmd->cmd_dma_offset, 4498 acmd->cmd_dma_len, 4499 DDI_DMA_SYNC_FORCPU); 4500 } 4501 } 4502 4503 pkt->pkt_reason = CMD_CMPLT; 4504 pkt->pkt_statistics = 0; 4505 pkt->pkt_state = STATE_GOT_BUS 4506 | STATE_GOT_TARGET | STATE_SENT_CMD 4507 | STATE_XFERRED_DATA | STATE_GOT_STATUS; 4508 4509 con_log(CL_ANN, (CE_CONT, 4510 "CDB[0] = %x completed for %s: size %lx context %x", 4511 pkt->pkt_cdbp[0], ((acmd->islogical) ? "LD" : "PD"), 4512 acmd->cmd_dmacount, hdr->context)); 4513 DTRACE_PROBE3(softintr_cdb, uint8_t, pkt->pkt_cdbp[0], 4514 uint_t, acmd->cmd_cdblen, ulong_t, 4515 acmd->cmd_dmacount); 4516 4517 if (pkt->pkt_cdbp[0] == SCMD_INQUIRY) { 4518 struct scsi_inquiry *inq; 4519 4520 if (acmd->cmd_dmacount != 0) { 4521 bp_mapin(acmd->cmd_buf); 4522 inq = (struct scsi_inquiry *) 4523 acmd->cmd_buf->b_un.b_addr; 4524 4525 if (hdr->cmd_status == MFI_STAT_OK) { 4526 display_scsi_inquiry( 4527 (caddr_t)inq); 4528 } 4529 } 4530 } 4531 4532 DTRACE_PROBE2(softintr_done, uint8_t, hdr->cmd, 4533 uint8_t, hdr->cmd_status); 4534 4535 switch (hdr->cmd_status) { 4536 case MFI_STAT_OK: 4537 pkt->pkt_scbp[0] = STATUS_GOOD; 4538 break; 4539 case MFI_STAT_LD_CC_IN_PROGRESS: 4540 case MFI_STAT_LD_RECON_IN_PROGRESS: 4541 pkt->pkt_scbp[0] = STATUS_GOOD; 4542 break; 4543 case MFI_STAT_LD_INIT_IN_PROGRESS: 4544 con_log(CL_ANN, 4545 (CE_WARN, "Initialization in Progress")); 4546 pkt->pkt_reason = CMD_TRAN_ERR; 4547 4548 break; 4549 case MFI_STAT_SCSI_DONE_WITH_ERROR: 4550 con_log(CL_ANN, (CE_CONT, "scsi_done error")); 4551 4552 pkt->pkt_reason = CMD_CMPLT; 4553 ((struct scsi_status *) 4554 pkt->pkt_scbp)->sts_chk = 1; 4555 4556 if (pkt->pkt_cdbp[0] == SCMD_TEST_UNIT_READY) { 4557 con_log(CL_ANN, 4558 (CE_WARN, "TEST_UNIT_READY fail")); 4559 } else { 4560 pkt->pkt_state |= STATE_ARQ_DONE; 4561 arqstat = (void *)(pkt->pkt_scbp); 4562 arqstat->sts_rqpkt_reason = CMD_CMPLT; 4563 arqstat->sts_rqpkt_resid = 0; 4564 arqstat->sts_rqpkt_state |= 4565 STATE_GOT_BUS | STATE_GOT_TARGET 4566 | STATE_SENT_CMD 4567 | STATE_XFERRED_DATA; 4568 *(uint8_t *)&arqstat->sts_rqpkt_status = 4569 STATUS_GOOD; 4570 ddi_rep_get8( 4571 cmd->frame_dma_obj.acc_handle, 4572 (uint8_t *) 4573 &(arqstat->sts_sensedata), 4574 cmd->sense, 4575 sizeof (struct scsi_extended_sense), 4576 DDI_DEV_AUTOINCR); 4577 } 4578 break; 4579 case MFI_STAT_LD_OFFLINE: 4580 case MFI_STAT_DEVICE_NOT_FOUND: 4581 con_log(CL_ANN, (CE_CONT, 4582 "mrsas_softintr:device not found error")); 4583 pkt->pkt_reason = CMD_DEV_GONE; 4584 pkt->pkt_statistics = STAT_DISCON; 4585 break; 4586 case MFI_STAT_LD_LBA_OUT_OF_RANGE: 4587 pkt->pkt_state |= STATE_ARQ_DONE; 4588 pkt->pkt_reason = CMD_CMPLT; 4589 ((struct scsi_status *) 4590 pkt->pkt_scbp)->sts_chk = 1; 4591 4592 arqstat = (void *)(pkt->pkt_scbp); 4593 arqstat->sts_rqpkt_reason = CMD_CMPLT; 4594 arqstat->sts_rqpkt_resid = 0; 4595 arqstat->sts_rqpkt_state |= STATE_GOT_BUS 4596 | STATE_GOT_TARGET | STATE_SENT_CMD 4597 | STATE_XFERRED_DATA; 4598 *(uint8_t *)&arqstat->sts_rqpkt_status = 4599 STATUS_GOOD; 4600 4601 arqstat->sts_sensedata.es_valid = 1; 4602 arqstat->sts_sensedata.es_key = 4603 KEY_ILLEGAL_REQUEST; 4604 arqstat->sts_sensedata.es_class = 4605 CLASS_EXTENDED_SENSE; 4606 4607 /* 4608 * LOGICAL BLOCK ADDRESS OUT OF RANGE: 4609 * ASC: 0x21h; ASCQ: 0x00h; 4610 */ 4611 arqstat->sts_sensedata.es_add_code = 0x21; 4612 arqstat->sts_sensedata.es_qual_code = 0x00; 4613 4614 break; 4615 4616 default: 4617 con_log(CL_ANN, (CE_CONT, "Unknown status!")); 4618 pkt->pkt_reason = CMD_TRAN_ERR; 4619 4620 break; 4621 } 4622 4623 atomic_add_16(&instance->fw_outstanding, (-1)); 4624 4625 (void) mrsas_common_check(instance, cmd); 4626 4627 if (acmd->cmd_dmahandle) { 4628 if (mrsas_check_dma_handle( 4629 acmd->cmd_dmahandle) != DDI_SUCCESS) { 4630 ddi_fm_service_impact(instance->dip, 4631 DDI_SERVICE_UNAFFECTED); 4632 pkt->pkt_reason = CMD_TRAN_ERR; 4633 pkt->pkt_statistics = 0; 4634 } 4635 } 4636 4637 mrsas_return_mfi_pkt(instance, cmd); 4638 4639 /* Call the callback routine */ 4640 if (((pkt->pkt_flags & FLAG_NOINTR) == 0) && 4641 pkt->pkt_comp) { 4642 (*pkt->pkt_comp)(pkt); 4643 } 4644 4645 break; 4646 4647 case MFI_CMD_OP_SMP: 4648 case MFI_CMD_OP_STP: 4649 complete_cmd_in_sync_mode(instance, cmd); 4650 break; 4651 4652 case MFI_CMD_OP_DCMD: 4653 /* see if got an event notification */ 4654 if (ddi_get32(cmd->frame_dma_obj.acc_handle, 4655 &cmd->frame->dcmd.opcode) == 4656 MR_DCMD_CTRL_EVENT_WAIT) { 4657 if ((instance->aen_cmd == cmd) && 4658 (instance->aen_cmd->abort_aen)) { 4659 con_log(CL_ANN, (CE_WARN, 4660 "mrsas_softintr: " 4661 "aborted_aen returned")); 4662 } else { 4663 atomic_add_16(&instance->fw_outstanding, 4664 (-1)); 4665 service_mfi_aen(instance, cmd); 4666 } 4667 } else { 4668 complete_cmd_in_sync_mode(instance, cmd); 4669 } 4670 4671 break; 4672 4673 case MFI_CMD_OP_ABORT: 4674 con_log(CL_ANN, (CE_NOTE, "MFI_CMD_OP_ABORT complete")); 4675 /* 4676 * MFI_CMD_OP_ABORT successfully completed 4677 * in the synchronous mode 4678 */ 4679 complete_cmd_in_sync_mode(instance, cmd); 4680 break; 4681 4682 default: 4683 mrsas_fm_ereport(instance, DDI_FM_DEVICE_NO_RESPONSE); 4684 ddi_fm_service_impact(instance->dip, DDI_SERVICE_LOST); 4685 4686 if (cmd->pkt != NULL) { 4687 pkt = cmd->pkt; 4688 if (((pkt->pkt_flags & FLAG_NOINTR) == 0) && 4689 pkt->pkt_comp) { 4690 4691 con_log(CL_ANN1, (CE_CONT, "posting to " 4692 "scsa cmd %p index %x pkt %p" 4693 "time %llx, default ", (void *)cmd, 4694 cmd->index, (void *)pkt, 4695 gethrtime())); 4696 4697 (*pkt->pkt_comp)(pkt); 4698 4699 } 4700 } 4701 con_log(CL_ANN, (CE_WARN, "Cmd type unknown !")); 4702 break; 4703 } 4704 } 4705 4706 instance->softint_running = 0; 4707 4708 return (DDI_INTR_CLAIMED); 4709 } 4710 4711 /* 4712 * mrsas_alloc_dma_obj 4713 * 4714 * Allocate the memory and other resources for an dma object. 4715 */ 4716 int 4717 mrsas_alloc_dma_obj(struct mrsas_instance *instance, dma_obj_t *obj, 4718 uchar_t endian_flags) 4719 { 4720 int i; 4721 size_t alen = 0; 4722 uint_t cookie_cnt; 4723 struct ddi_device_acc_attr tmp_endian_attr; 4724 4725 tmp_endian_attr = endian_attr; 4726 tmp_endian_attr.devacc_attr_endian_flags = endian_flags; 4727 tmp_endian_attr.devacc_attr_access = DDI_DEFAULT_ACC; 4728 4729 i = ddi_dma_alloc_handle(instance->dip, &obj->dma_attr, 4730 DDI_DMA_SLEEP, NULL, &obj->dma_handle); 4731 if (i != DDI_SUCCESS) { 4732 4733 switch (i) { 4734 case DDI_DMA_BADATTR : 4735 con_log(CL_ANN, (CE_WARN, 4736 "Failed ddi_dma_alloc_handle- Bad attribute")); 4737 break; 4738 case DDI_DMA_NORESOURCES : 4739 con_log(CL_ANN, (CE_WARN, 4740 "Failed ddi_dma_alloc_handle- No Resources")); 4741 break; 4742 default : 4743 con_log(CL_ANN, (CE_WARN, 4744 "Failed ddi_dma_alloc_handle: " 4745 "unknown status %d", i)); 4746 break; 4747 } 4748 4749 return (-1); 4750 } 4751 4752 if ((ddi_dma_mem_alloc(obj->dma_handle, obj->size, &tmp_endian_attr, 4753 DDI_DMA_RDWR | DDI_DMA_STREAMING, DDI_DMA_SLEEP, NULL, 4754 &obj->buffer, &alen, &obj->acc_handle) != DDI_SUCCESS) || 4755 alen < obj->size) { 4756 4757 ddi_dma_free_handle(&obj->dma_handle); 4758 4759 con_log(CL_ANN, (CE_WARN, "Failed : ddi_dma_mem_alloc")); 4760 4761 return (-1); 4762 } 4763 4764 if (ddi_dma_addr_bind_handle(obj->dma_handle, NULL, obj->buffer, 4765 obj->size, DDI_DMA_RDWR | DDI_DMA_STREAMING, DDI_DMA_SLEEP, 4766 NULL, &obj->dma_cookie[0], &cookie_cnt) != DDI_SUCCESS) { 4767 4768 ddi_dma_mem_free(&obj->acc_handle); 4769 ddi_dma_free_handle(&obj->dma_handle); 4770 4771 con_log(CL_ANN, (CE_WARN, "Failed : ddi_dma_addr_bind_handle")); 4772 4773 return (-1); 4774 } 4775 4776 if (mrsas_check_dma_handle(obj->dma_handle) != DDI_SUCCESS) { 4777 ddi_fm_service_impact(instance->dip, DDI_SERVICE_LOST); 4778 return (-1); 4779 } 4780 4781 if (mrsas_check_acc_handle(obj->acc_handle) != DDI_SUCCESS) { 4782 ddi_fm_service_impact(instance->dip, DDI_SERVICE_LOST); 4783 return (-1); 4784 } 4785 4786 return (cookie_cnt); 4787 } 4788 4789 /* 4790 * mrsas_free_dma_obj(struct mrsas_instance *, dma_obj_t) 4791 * 4792 * De-allocate the memory and other resources for an dma object, which must 4793 * have been alloated by a previous call to mrsas_alloc_dma_obj() 4794 */ 4795 int 4796 mrsas_free_dma_obj(struct mrsas_instance *instance, dma_obj_t obj) 4797 { 4798 4799 if ((obj.dma_handle == NULL) || (obj.acc_handle == NULL)) { 4800 return (DDI_SUCCESS); 4801 } 4802 4803 /* 4804 * NOTE: These check-handle functions fail if *_handle == NULL, but 4805 * this function succeeds because of the previous check. 4806 */ 4807 if (mrsas_check_dma_handle(obj.dma_handle) != DDI_SUCCESS) { 4808 ddi_fm_service_impact(instance->dip, DDI_SERVICE_UNAFFECTED); 4809 return (DDI_FAILURE); 4810 } 4811 4812 if (mrsas_check_acc_handle(obj.acc_handle) != DDI_SUCCESS) { 4813 ddi_fm_service_impact(instance->dip, DDI_SERVICE_UNAFFECTED); 4814 return (DDI_FAILURE); 4815 } 4816 4817 (void) ddi_dma_unbind_handle(obj.dma_handle); 4818 ddi_dma_mem_free(&obj.acc_handle); 4819 ddi_dma_free_handle(&obj.dma_handle); 4820 obj.acc_handle = NULL; 4821 return (DDI_SUCCESS); 4822 } 4823 4824 /* 4825 * mrsas_dma_alloc(instance_t *, struct scsi_pkt *, struct buf *, 4826 * int, int (*)()) 4827 * 4828 * Allocate dma resources for a new scsi command 4829 */ 4830 int 4831 mrsas_dma_alloc(struct mrsas_instance *instance, struct scsi_pkt *pkt, 4832 struct buf *bp, int flags, int (*callback)()) 4833 { 4834 int dma_flags; 4835 int (*cb)(caddr_t); 4836 int i; 4837 4838 ddi_dma_attr_t tmp_dma_attr = mrsas_generic_dma_attr; 4839 struct scsa_cmd *acmd = PKT2CMD(pkt); 4840 4841 acmd->cmd_buf = bp; 4842 4843 if (bp->b_flags & B_READ) { 4844 acmd->cmd_flags &= ~CFLAG_DMASEND; 4845 dma_flags = DDI_DMA_READ; 4846 } else { 4847 acmd->cmd_flags |= CFLAG_DMASEND; 4848 dma_flags = DDI_DMA_WRITE; 4849 } 4850 4851 if (flags & PKT_CONSISTENT) { 4852 acmd->cmd_flags |= CFLAG_CONSISTENT; 4853 dma_flags |= DDI_DMA_CONSISTENT; 4854 } 4855 4856 if (flags & PKT_DMA_PARTIAL) { 4857 dma_flags |= DDI_DMA_PARTIAL; 4858 } 4859 4860 dma_flags |= DDI_DMA_REDZONE; 4861 4862 cb = (callback == NULL_FUNC) ? DDI_DMA_DONTWAIT : DDI_DMA_SLEEP; 4863 4864 tmp_dma_attr.dma_attr_sgllen = instance->max_num_sge; 4865 tmp_dma_attr.dma_attr_addr_hi = 0xffffffffffffffffull; 4866 if (instance->tbolt) { 4867 /* OCR-RESET FIX */ 4868 tmp_dma_attr.dma_attr_count_max = 4869 (U64)mrsas_tbolt_max_cap_maxxfer; /* limit to 256K */ 4870 tmp_dma_attr.dma_attr_maxxfer = 4871 (U64)mrsas_tbolt_max_cap_maxxfer; /* limit to 256K */ 4872 } 4873 4874 if ((i = ddi_dma_alloc_handle(instance->dip, &tmp_dma_attr, 4875 cb, 0, &acmd->cmd_dmahandle)) != DDI_SUCCESS) { 4876 switch (i) { 4877 case DDI_DMA_BADATTR: 4878 bioerror(bp, EFAULT); 4879 return (DDI_FAILURE); 4880 4881 case DDI_DMA_NORESOURCES: 4882 bioerror(bp, 0); 4883 return (DDI_FAILURE); 4884 4885 default: 4886 con_log(CL_ANN, (CE_PANIC, "ddi_dma_alloc_handle: " 4887 "impossible result (0x%x)", i)); 4888 bioerror(bp, EFAULT); 4889 return (DDI_FAILURE); 4890 } 4891 } 4892 4893 i = ddi_dma_buf_bind_handle(acmd->cmd_dmahandle, bp, dma_flags, 4894 cb, 0, &acmd->cmd_dmacookies[0], &acmd->cmd_ncookies); 4895 4896 switch (i) { 4897 case DDI_DMA_PARTIAL_MAP: 4898 if ((dma_flags & DDI_DMA_PARTIAL) == 0) { 4899 con_log(CL_ANN, (CE_PANIC, "ddi_dma_buf_bind_handle: " 4900 "DDI_DMA_PARTIAL_MAP impossible")); 4901 goto no_dma_cookies; 4902 } 4903 4904 if (ddi_dma_numwin(acmd->cmd_dmahandle, &acmd->cmd_nwin) == 4905 DDI_FAILURE) { 4906 con_log(CL_ANN, (CE_PANIC, "ddi_dma_numwin failed")); 4907 goto no_dma_cookies; 4908 } 4909 4910 if (ddi_dma_getwin(acmd->cmd_dmahandle, acmd->cmd_curwin, 4911 &acmd->cmd_dma_offset, &acmd->cmd_dma_len, 4912 &acmd->cmd_dmacookies[0], &acmd->cmd_ncookies) == 4913 DDI_FAILURE) { 4914 4915 con_log(CL_ANN, (CE_PANIC, "ddi_dma_getwin failed")); 4916 goto no_dma_cookies; 4917 } 4918 4919 goto get_dma_cookies; 4920 case DDI_DMA_MAPPED: 4921 acmd->cmd_nwin = 1; 4922 acmd->cmd_dma_len = 0; 4923 acmd->cmd_dma_offset = 0; 4924 4925 get_dma_cookies: 4926 i = 0; 4927 acmd->cmd_dmacount = 0; 4928 for (;;) { 4929 acmd->cmd_dmacount += 4930 acmd->cmd_dmacookies[i++].dmac_size; 4931 4932 if (i == instance->max_num_sge || 4933 i == acmd->cmd_ncookies) 4934 break; 4935 4936 ddi_dma_nextcookie(acmd->cmd_dmahandle, 4937 &acmd->cmd_dmacookies[i]); 4938 } 4939 4940 acmd->cmd_cookie = i; 4941 acmd->cmd_cookiecnt = i; 4942 4943 acmd->cmd_flags |= CFLAG_DMAVALID; 4944 4945 if (bp->b_bcount >= acmd->cmd_dmacount) { 4946 pkt->pkt_resid = bp->b_bcount - acmd->cmd_dmacount; 4947 } else { 4948 pkt->pkt_resid = 0; 4949 } 4950 4951 return (DDI_SUCCESS); 4952 case DDI_DMA_NORESOURCES: 4953 bioerror(bp, 0); 4954 break; 4955 case DDI_DMA_NOMAPPING: 4956 bioerror(bp, EFAULT); 4957 break; 4958 case DDI_DMA_TOOBIG: 4959 bioerror(bp, EINVAL); 4960 break; 4961 case DDI_DMA_INUSE: 4962 con_log(CL_ANN, (CE_PANIC, "ddi_dma_buf_bind_handle:" 4963 " DDI_DMA_INUSE impossible")); 4964 break; 4965 default: 4966 con_log(CL_ANN, (CE_PANIC, "ddi_dma_buf_bind_handle: " 4967 "impossible result (0x%x)", i)); 4968 break; 4969 } 4970 4971 no_dma_cookies: 4972 ddi_dma_free_handle(&acmd->cmd_dmahandle); 4973 acmd->cmd_dmahandle = NULL; 4974 acmd->cmd_flags &= ~CFLAG_DMAVALID; 4975 return (DDI_FAILURE); 4976 } 4977 4978 /* 4979 * mrsas_dma_move(struct mrsas_instance *, struct scsi_pkt *, struct buf *) 4980 * 4981 * move dma resources to next dma window 4982 * 4983 */ 4984 int 4985 mrsas_dma_move(struct mrsas_instance *instance, struct scsi_pkt *pkt, 4986 struct buf *bp) 4987 { 4988 int i = 0; 4989 4990 struct scsa_cmd *acmd = PKT2CMD(pkt); 4991 4992 /* 4993 * If there are no more cookies remaining in this window, 4994 * must move to the next window first. 4995 */ 4996 if (acmd->cmd_cookie == acmd->cmd_ncookies) { 4997 if (acmd->cmd_curwin == acmd->cmd_nwin && acmd->cmd_nwin == 1) { 4998 return (DDI_SUCCESS); 4999 } 5000 5001 /* at last window, cannot move */ 5002 if (++acmd->cmd_curwin >= acmd->cmd_nwin) { 5003 return (DDI_FAILURE); 5004 } 5005 5006 if (ddi_dma_getwin(acmd->cmd_dmahandle, acmd->cmd_curwin, 5007 &acmd->cmd_dma_offset, &acmd->cmd_dma_len, 5008 &acmd->cmd_dmacookies[0], &acmd->cmd_ncookies) == 5009 DDI_FAILURE) { 5010 return (DDI_FAILURE); 5011 } 5012 5013 acmd->cmd_cookie = 0; 5014 } else { 5015 /* still more cookies in this window - get the next one */ 5016 ddi_dma_nextcookie(acmd->cmd_dmahandle, 5017 &acmd->cmd_dmacookies[0]); 5018 } 5019 5020 /* get remaining cookies in this window, up to our maximum */ 5021 for (;;) { 5022 acmd->cmd_dmacount += acmd->cmd_dmacookies[i++].dmac_size; 5023 acmd->cmd_cookie++; 5024 5025 if (i == instance->max_num_sge || 5026 acmd->cmd_cookie == acmd->cmd_ncookies) { 5027 break; 5028 } 5029 5030 ddi_dma_nextcookie(acmd->cmd_dmahandle, 5031 &acmd->cmd_dmacookies[i]); 5032 } 5033 5034 acmd->cmd_cookiecnt = i; 5035 5036 if (bp->b_bcount >= acmd->cmd_dmacount) { 5037 pkt->pkt_resid = bp->b_bcount - acmd->cmd_dmacount; 5038 } else { 5039 pkt->pkt_resid = 0; 5040 } 5041 5042 return (DDI_SUCCESS); 5043 } 5044 5045 /* 5046 * build_cmd 5047 */ 5048 static struct mrsas_cmd * 5049 build_cmd(struct mrsas_instance *instance, struct scsi_address *ap, 5050 struct scsi_pkt *pkt, uchar_t *cmd_done) 5051 { 5052 uint16_t flags = 0; 5053 uint32_t i; 5054 uint32_t context; 5055 uint32_t sge_bytes; 5056 uint32_t tmp_data_xfer_len; 5057 ddi_acc_handle_t acc_handle; 5058 struct mrsas_cmd *cmd; 5059 struct mrsas_sge64 *mfi_sgl; 5060 struct mrsas_sge_ieee *mfi_sgl_ieee; 5061 struct scsa_cmd *acmd = PKT2CMD(pkt); 5062 struct mrsas_pthru_frame *pthru; 5063 struct mrsas_io_frame *ldio; 5064 5065 /* find out if this is logical or physical drive command. */ 5066 acmd->islogical = MRDRV_IS_LOGICAL(ap); 5067 acmd->device_id = MAP_DEVICE_ID(instance, ap); 5068 *cmd_done = 0; 5069 5070 /* get the command packet */ 5071 if (!(cmd = mrsas_get_mfi_pkt(instance))) { 5072 DTRACE_PROBE2(build_cmd_mfi_err, uint16_t, 5073 instance->fw_outstanding, uint16_t, instance->max_fw_cmds); 5074 return (NULL); 5075 } 5076 5077 acc_handle = cmd->frame_dma_obj.acc_handle; 5078 5079 /* Clear the frame buffer and assign back the context id */ 5080 (void) memset((char *)&cmd->frame[0], 0, sizeof (union mrsas_frame)); 5081 ddi_put32(acc_handle, &cmd->frame->hdr.context, cmd->index); 5082 5083 cmd->pkt = pkt; 5084 cmd->cmd = acmd; 5085 DTRACE_PROBE3(build_cmds, uint8_t, pkt->pkt_cdbp[0], 5086 ulong_t, acmd->cmd_dmacount, ulong_t, acmd->cmd_dma_len); 5087 5088 /* lets get the command directions */ 5089 if (acmd->cmd_flags & CFLAG_DMASEND) { 5090 flags = MFI_FRAME_DIR_WRITE; 5091 5092 if (acmd->cmd_flags & CFLAG_CONSISTENT) { 5093 (void) ddi_dma_sync(acmd->cmd_dmahandle, 5094 acmd->cmd_dma_offset, acmd->cmd_dma_len, 5095 DDI_DMA_SYNC_FORDEV); 5096 } 5097 } else if (acmd->cmd_flags & ~CFLAG_DMASEND) { 5098 flags = MFI_FRAME_DIR_READ; 5099 5100 if (acmd->cmd_flags & CFLAG_CONSISTENT) { 5101 (void) ddi_dma_sync(acmd->cmd_dmahandle, 5102 acmd->cmd_dma_offset, acmd->cmd_dma_len, 5103 DDI_DMA_SYNC_FORCPU); 5104 } 5105 } else { 5106 flags = MFI_FRAME_DIR_NONE; 5107 } 5108 5109 if (instance->flag_ieee) { 5110 flags |= MFI_FRAME_IEEE; 5111 } 5112 flags |= MFI_FRAME_SGL64; 5113 5114 switch (pkt->pkt_cdbp[0]) { 5115 5116 /* 5117 * case SCMD_SYNCHRONIZE_CACHE: 5118 * flush_cache(instance); 5119 * mrsas_return_mfi_pkt(instance, cmd); 5120 * *cmd_done = 1; 5121 * 5122 * return (NULL); 5123 */ 5124 5125 case SCMD_READ: 5126 case SCMD_WRITE: 5127 case SCMD_READ_G1: 5128 case SCMD_WRITE_G1: 5129 case SCMD_READ_G4: 5130 case SCMD_WRITE_G4: 5131 case SCMD_READ_G5: 5132 case SCMD_WRITE_G5: 5133 if (acmd->islogical) { 5134 ldio = (struct mrsas_io_frame *)cmd->frame; 5135 5136 /* 5137 * preare the Logical IO frame: 5138 * 2nd bit is zero for all read cmds 5139 */ 5140 ddi_put8(acc_handle, &ldio->cmd, 5141 (pkt->pkt_cdbp[0] & 0x02) ? MFI_CMD_OP_LD_WRITE 5142 : MFI_CMD_OP_LD_READ); 5143 ddi_put8(acc_handle, &ldio->cmd_status, 0x0); 5144 ddi_put8(acc_handle, &ldio->scsi_status, 0x0); 5145 ddi_put8(acc_handle, &ldio->target_id, acmd->device_id); 5146 ddi_put16(acc_handle, &ldio->timeout, 0); 5147 ddi_put8(acc_handle, &ldio->reserved_0, 0); 5148 ddi_put16(acc_handle, &ldio->pad_0, 0); 5149 ddi_put16(acc_handle, &ldio->flags, flags); 5150 5151 /* Initialize sense Information */ 5152 bzero(cmd->sense, SENSE_LENGTH); 5153 ddi_put8(acc_handle, &ldio->sense_len, SENSE_LENGTH); 5154 ddi_put32(acc_handle, &ldio->sense_buf_phys_addr_hi, 0); 5155 ddi_put32(acc_handle, &ldio->sense_buf_phys_addr_lo, 5156 cmd->sense_phys_addr); 5157 ddi_put32(acc_handle, &ldio->start_lba_hi, 0); 5158 ddi_put8(acc_handle, &ldio->access_byte, 5159 (acmd->cmd_cdblen != 6) ? pkt->pkt_cdbp[1] : 0); 5160 ddi_put8(acc_handle, &ldio->sge_count, 5161 acmd->cmd_cookiecnt); 5162 if (instance->flag_ieee) { 5163 mfi_sgl_ieee = 5164 (struct mrsas_sge_ieee *)&ldio->sgl; 5165 } else { 5166 mfi_sgl = (struct mrsas_sge64 *)&ldio->sgl; 5167 } 5168 5169 context = ddi_get32(acc_handle, &ldio->context); 5170 5171 if (acmd->cmd_cdblen == CDB_GROUP0) { 5172 /* 6-byte cdb */ 5173 ddi_put32(acc_handle, &ldio->lba_count, ( 5174 (uint16_t)(pkt->pkt_cdbp[4]))); 5175 5176 ddi_put32(acc_handle, &ldio->start_lba_lo, ( 5177 ((uint32_t)(pkt->pkt_cdbp[3])) | 5178 ((uint32_t)(pkt->pkt_cdbp[2]) << 8) | 5179 ((uint32_t)((pkt->pkt_cdbp[1]) & 0x1F) 5180 << 16))); 5181 } else if (acmd->cmd_cdblen == CDB_GROUP1) { 5182 /* 10-byte cdb */ 5183 ddi_put32(acc_handle, &ldio->lba_count, ( 5184 ((uint16_t)(pkt->pkt_cdbp[8])) | 5185 ((uint16_t)(pkt->pkt_cdbp[7]) << 8))); 5186 5187 ddi_put32(acc_handle, &ldio->start_lba_lo, ( 5188 ((uint32_t)(pkt->pkt_cdbp[5])) | 5189 ((uint32_t)(pkt->pkt_cdbp[4]) << 8) | 5190 ((uint32_t)(pkt->pkt_cdbp[3]) << 16) | 5191 ((uint32_t)(pkt->pkt_cdbp[2]) << 24))); 5192 } else if (acmd->cmd_cdblen == CDB_GROUP5) { 5193 /* 12-byte cdb */ 5194 ddi_put32(acc_handle, &ldio->lba_count, ( 5195 ((uint32_t)(pkt->pkt_cdbp[9])) | 5196 ((uint32_t)(pkt->pkt_cdbp[8]) << 8) | 5197 ((uint32_t)(pkt->pkt_cdbp[7]) << 16) | 5198 ((uint32_t)(pkt->pkt_cdbp[6]) << 24))); 5199 5200 ddi_put32(acc_handle, &ldio->start_lba_lo, ( 5201 ((uint32_t)(pkt->pkt_cdbp[5])) | 5202 ((uint32_t)(pkt->pkt_cdbp[4]) << 8) | 5203 ((uint32_t)(pkt->pkt_cdbp[3]) << 16) | 5204 ((uint32_t)(pkt->pkt_cdbp[2]) << 24))); 5205 } else if (acmd->cmd_cdblen == CDB_GROUP4) { 5206 /* 16-byte cdb */ 5207 ddi_put32(acc_handle, &ldio->lba_count, ( 5208 ((uint32_t)(pkt->pkt_cdbp[13])) | 5209 ((uint32_t)(pkt->pkt_cdbp[12]) << 8) | 5210 ((uint32_t)(pkt->pkt_cdbp[11]) << 16) | 5211 ((uint32_t)(pkt->pkt_cdbp[10]) << 24))); 5212 5213 ddi_put32(acc_handle, &ldio->start_lba_lo, ( 5214 ((uint32_t)(pkt->pkt_cdbp[9])) | 5215 ((uint32_t)(pkt->pkt_cdbp[8]) << 8) | 5216 ((uint32_t)(pkt->pkt_cdbp[7]) << 16) | 5217 ((uint32_t)(pkt->pkt_cdbp[6]) << 24))); 5218 5219 ddi_put32(acc_handle, &ldio->start_lba_hi, ( 5220 ((uint32_t)(pkt->pkt_cdbp[5])) | 5221 ((uint32_t)(pkt->pkt_cdbp[4]) << 8) | 5222 ((uint32_t)(pkt->pkt_cdbp[3]) << 16) | 5223 ((uint32_t)(pkt->pkt_cdbp[2]) << 24))); 5224 } 5225 5226 break; 5227 } 5228 /* fall through For all non-rd/wr and physical disk cmds */ 5229 default: 5230 5231 switch (pkt->pkt_cdbp[0]) { 5232 case SCMD_MODE_SENSE: 5233 case SCMD_MODE_SENSE_G1: { 5234 union scsi_cdb *cdbp; 5235 uint16_t page_code; 5236 5237 cdbp = (void *)pkt->pkt_cdbp; 5238 page_code = (uint16_t)cdbp->cdb_un.sg.scsi[0]; 5239 switch (page_code) { 5240 case 0x3: 5241 case 0x4: 5242 (void) mrsas_mode_sense_build(pkt); 5243 mrsas_return_mfi_pkt(instance, cmd); 5244 *cmd_done = 1; 5245 return (NULL); 5246 } 5247 break; 5248 } 5249 default: 5250 break; 5251 } 5252 5253 pthru = (struct mrsas_pthru_frame *)cmd->frame; 5254 5255 /* prepare the DCDB frame */ 5256 ddi_put8(acc_handle, &pthru->cmd, (acmd->islogical) ? 5257 MFI_CMD_OP_LD_SCSI : MFI_CMD_OP_PD_SCSI); 5258 ddi_put8(acc_handle, &pthru->cmd_status, 0x0); 5259 ddi_put8(acc_handle, &pthru->scsi_status, 0x0); 5260 ddi_put8(acc_handle, &pthru->target_id, acmd->device_id); 5261 ddi_put8(acc_handle, &pthru->lun, 0); 5262 ddi_put8(acc_handle, &pthru->cdb_len, acmd->cmd_cdblen); 5263 ddi_put16(acc_handle, &pthru->timeout, 0); 5264 ddi_put16(acc_handle, &pthru->flags, flags); 5265 tmp_data_xfer_len = 0; 5266 for (i = 0; i < acmd->cmd_cookiecnt; i++) { 5267 tmp_data_xfer_len += acmd->cmd_dmacookies[i].dmac_size; 5268 } 5269 ddi_put32(acc_handle, &pthru->data_xfer_len, 5270 tmp_data_xfer_len); 5271 ddi_put8(acc_handle, &pthru->sge_count, acmd->cmd_cookiecnt); 5272 if (instance->flag_ieee) { 5273 mfi_sgl_ieee = (struct mrsas_sge_ieee *)&pthru->sgl; 5274 } else { 5275 mfi_sgl = (struct mrsas_sge64 *)&pthru->sgl; 5276 } 5277 5278 bzero(cmd->sense, SENSE_LENGTH); 5279 ddi_put8(acc_handle, &pthru->sense_len, SENSE_LENGTH); 5280 ddi_put32(acc_handle, &pthru->sense_buf_phys_addr_hi, 0); 5281 ddi_put32(acc_handle, &pthru->sense_buf_phys_addr_lo, 5282 cmd->sense_phys_addr); 5283 5284 context = ddi_get32(acc_handle, &pthru->context); 5285 ddi_rep_put8(acc_handle, (uint8_t *)pkt->pkt_cdbp, 5286 (uint8_t *)pthru->cdb, acmd->cmd_cdblen, DDI_DEV_AUTOINCR); 5287 5288 break; 5289 } 5290 #ifdef lint 5291 context = context; 5292 #endif 5293 /* prepare the scatter-gather list for the firmware */ 5294 if (instance->flag_ieee) { 5295 for (i = 0; i < acmd->cmd_cookiecnt; i++, mfi_sgl_ieee++) { 5296 ddi_put64(acc_handle, &mfi_sgl_ieee->phys_addr, 5297 acmd->cmd_dmacookies[i].dmac_laddress); 5298 ddi_put32(acc_handle, &mfi_sgl_ieee->length, 5299 acmd->cmd_dmacookies[i].dmac_size); 5300 } 5301 sge_bytes = sizeof (struct mrsas_sge_ieee)*acmd->cmd_cookiecnt; 5302 } else { 5303 for (i = 0; i < acmd->cmd_cookiecnt; i++, mfi_sgl++) { 5304 ddi_put64(acc_handle, &mfi_sgl->phys_addr, 5305 acmd->cmd_dmacookies[i].dmac_laddress); 5306 ddi_put32(acc_handle, &mfi_sgl->length, 5307 acmd->cmd_dmacookies[i].dmac_size); 5308 } 5309 sge_bytes = sizeof (struct mrsas_sge64)*acmd->cmd_cookiecnt; 5310 } 5311 5312 cmd->frame_count = (sge_bytes / MRMFI_FRAME_SIZE) + 5313 ((sge_bytes % MRMFI_FRAME_SIZE) ? 1 : 0) + 1; 5314 5315 if (cmd->frame_count >= 8) { 5316 cmd->frame_count = 8; 5317 } 5318 5319 return (cmd); 5320 } 5321 5322 /* 5323 * wait_for_outstanding - Wait for all outstanding cmds 5324 * @instance: Adapter soft state 5325 * 5326 * This function waits for upto MRDRV_RESET_WAIT_TIME seconds for FW to 5327 * complete all its outstanding commands. Returns error if one or more IOs 5328 * are pending after this time period. 5329 */ 5330 static int 5331 wait_for_outstanding(struct mrsas_instance *instance) 5332 { 5333 int i; 5334 uint32_t wait_time = 90; 5335 5336 for (i = 0; i < wait_time; i++) { 5337 if (!instance->fw_outstanding) { 5338 break; 5339 } 5340 5341 drv_usecwait(MILLISEC); /* wait for 1000 usecs */; 5342 } 5343 5344 if (instance->fw_outstanding) { 5345 return (1); 5346 } 5347 5348 return (0); 5349 } 5350 5351 /* 5352 * issue_mfi_pthru 5353 */ 5354 static int 5355 issue_mfi_pthru(struct mrsas_instance *instance, struct mrsas_ioctl *ioctl, 5356 struct mrsas_cmd *cmd, int mode) 5357 { 5358 void *ubuf; 5359 uint32_t kphys_addr = 0; 5360 uint32_t xferlen = 0; 5361 uint32_t new_xfer_length = 0; 5362 uint_t model; 5363 ddi_acc_handle_t acc_handle = cmd->frame_dma_obj.acc_handle; 5364 dma_obj_t pthru_dma_obj; 5365 struct mrsas_pthru_frame *kpthru; 5366 struct mrsas_pthru_frame *pthru; 5367 int i; 5368 pthru = &cmd->frame->pthru; 5369 kpthru = (struct mrsas_pthru_frame *)&ioctl->frame[0]; 5370 5371 if (instance->adapterresetinprogress) { 5372 con_log(CL_ANN1, (CE_WARN, "issue_mfi_pthru: Reset flag set, " 5373 "returning mfi_pkt and setting TRAN_BUSY\n")); 5374 return (DDI_FAILURE); 5375 } 5376 model = ddi_model_convert_from(mode & FMODELS); 5377 if (model == DDI_MODEL_ILP32) { 5378 con_log(CL_ANN1, (CE_CONT, "issue_mfi_pthru: DDI_MODEL_LP32")); 5379 5380 xferlen = kpthru->sgl.sge32[0].length; 5381 5382 ubuf = (void *)(ulong_t)kpthru->sgl.sge32[0].phys_addr; 5383 } else { 5384 #ifdef _ILP32 5385 con_log(CL_ANN1, (CE_CONT, "issue_mfi_pthru: DDI_MODEL_LP32")); 5386 xferlen = kpthru->sgl.sge32[0].length; 5387 ubuf = (void *)(ulong_t)kpthru->sgl.sge32[0].phys_addr; 5388 #else 5389 con_log(CL_ANN1, (CE_CONT, "issue_mfi_pthru: DDI_MODEL_LP64")); 5390 xferlen = kpthru->sgl.sge64[0].length; 5391 ubuf = (void *)(ulong_t)kpthru->sgl.sge64[0].phys_addr; 5392 #endif 5393 } 5394 5395 if (xferlen) { 5396 /* means IOCTL requires DMA */ 5397 /* allocate the data transfer buffer */ 5398 /* pthru_dma_obj.size = xferlen; */ 5399 MRSAS_GET_BOUNDARY_ALIGNED_LEN(xferlen, new_xfer_length, 5400 PAGESIZE); 5401 pthru_dma_obj.size = new_xfer_length; 5402 pthru_dma_obj.dma_attr = mrsas_generic_dma_attr; 5403 pthru_dma_obj.dma_attr.dma_attr_addr_hi = 0xFFFFFFFFU; 5404 pthru_dma_obj.dma_attr.dma_attr_count_max = 0xFFFFFFFFU; 5405 pthru_dma_obj.dma_attr.dma_attr_sgllen = 1; 5406 pthru_dma_obj.dma_attr.dma_attr_align = 1; 5407 5408 /* allocate kernel buffer for DMA */ 5409 if (mrsas_alloc_dma_obj(instance, &pthru_dma_obj, 5410 (uchar_t)DDI_STRUCTURE_LE_ACC) != 1) { 5411 con_log(CL_ANN, (CE_WARN, "issue_mfi_pthru: " 5412 "could not allocate data transfer buffer.")); 5413 return (DDI_FAILURE); 5414 } 5415 (void) memset(pthru_dma_obj.buffer, 0, xferlen); 5416 5417 /* If IOCTL requires DMA WRITE, do ddi_copyin IOCTL data copy */ 5418 if (kpthru->flags & MFI_FRAME_DIR_WRITE) { 5419 for (i = 0; i < xferlen; i++) { 5420 if (ddi_copyin((uint8_t *)ubuf+i, 5421 (uint8_t *)pthru_dma_obj.buffer+i, 5422 1, mode)) { 5423 con_log(CL_ANN, (CE_WARN, 5424 "issue_mfi_pthru : " 5425 "copy from user space failed")); 5426 return (DDI_FAILURE); 5427 } 5428 } 5429 } 5430 5431 kphys_addr = pthru_dma_obj.dma_cookie[0].dmac_address; 5432 } 5433 5434 ddi_put8(acc_handle, &pthru->cmd, kpthru->cmd); 5435 ddi_put8(acc_handle, &pthru->sense_len, SENSE_LENGTH); 5436 ddi_put8(acc_handle, &pthru->cmd_status, 0); 5437 ddi_put8(acc_handle, &pthru->scsi_status, 0); 5438 ddi_put8(acc_handle, &pthru->target_id, kpthru->target_id); 5439 ddi_put8(acc_handle, &pthru->lun, kpthru->lun); 5440 ddi_put8(acc_handle, &pthru->cdb_len, kpthru->cdb_len); 5441 ddi_put8(acc_handle, &pthru->sge_count, kpthru->sge_count); 5442 ddi_put16(acc_handle, &pthru->timeout, kpthru->timeout); 5443 ddi_put32(acc_handle, &pthru->data_xfer_len, kpthru->data_xfer_len); 5444 5445 ddi_put32(acc_handle, &pthru->sense_buf_phys_addr_hi, 0); 5446 pthru->sense_buf_phys_addr_lo = cmd->sense_phys_addr; 5447 /* ddi_put32(acc_handle, &pthru->sense_buf_phys_addr_lo, 0); */ 5448 5449 ddi_rep_put8(acc_handle, (uint8_t *)kpthru->cdb, (uint8_t *)pthru->cdb, 5450 pthru->cdb_len, DDI_DEV_AUTOINCR); 5451 5452 ddi_put16(acc_handle, &pthru->flags, kpthru->flags & ~MFI_FRAME_SGL64); 5453 ddi_put32(acc_handle, &pthru->sgl.sge32[0].length, xferlen); 5454 ddi_put32(acc_handle, &pthru->sgl.sge32[0].phys_addr, kphys_addr); 5455 5456 cmd->sync_cmd = MRSAS_TRUE; 5457 cmd->frame_count = 1; 5458 5459 if (instance->tbolt) { 5460 mr_sas_tbolt_build_mfi_cmd(instance, cmd); 5461 } 5462 5463 if (instance->func_ptr->issue_cmd_in_sync_mode(instance, cmd)) { 5464 con_log(CL_ANN, (CE_WARN, 5465 "issue_mfi_pthru: fw_ioctl failed")); 5466 } else { 5467 if (xferlen && kpthru->flags & MFI_FRAME_DIR_READ) { 5468 for (i = 0; i < xferlen; i++) { 5469 if (ddi_copyout( 5470 (uint8_t *)pthru_dma_obj.buffer+i, 5471 (uint8_t *)ubuf+i, 1, mode)) { 5472 con_log(CL_ANN, (CE_WARN, 5473 "issue_mfi_pthru : " 5474 "copy to user space failed")); 5475 return (DDI_FAILURE); 5476 } 5477 } 5478 } 5479 } 5480 5481 kpthru->cmd_status = ddi_get8(acc_handle, &pthru->cmd_status); 5482 kpthru->scsi_status = ddi_get8(acc_handle, &pthru->scsi_status); 5483 5484 con_log(CL_ANN, (CE_CONT, "issue_mfi_pthru: cmd_status %x, " 5485 "scsi_status %x", kpthru->cmd_status, kpthru->scsi_status)); 5486 DTRACE_PROBE3(issue_pthru, uint8_t, kpthru->cmd, uint8_t, 5487 kpthru->cmd_status, uint8_t, kpthru->scsi_status); 5488 5489 if (kpthru->sense_len) { 5490 uint_t sense_len = SENSE_LENGTH; 5491 void *sense_ubuf = 5492 (void *)(ulong_t)kpthru->sense_buf_phys_addr_lo; 5493 if (kpthru->sense_len <= SENSE_LENGTH) { 5494 sense_len = kpthru->sense_len; 5495 } 5496 5497 for (i = 0; i < sense_len; i++) { 5498 if (ddi_copyout( 5499 (uint8_t *)cmd->sense+i, 5500 (uint8_t *)sense_ubuf+i, 1, mode)) { 5501 con_log(CL_ANN, (CE_WARN, 5502 "issue_mfi_pthru : " 5503 "copy to user space failed")); 5504 } 5505 con_log(CL_DLEVEL1, (CE_WARN, 5506 "Copying Sense info sense_buff[%d] = 0x%X", 5507 i, *((uint8_t *)cmd->sense + i))); 5508 } 5509 } 5510 (void) ddi_dma_sync(cmd->frame_dma_obj.dma_handle, 0, 0, 5511 DDI_DMA_SYNC_FORDEV); 5512 5513 if (xferlen) { 5514 /* free kernel buffer */ 5515 if (mrsas_free_dma_obj(instance, pthru_dma_obj) != DDI_SUCCESS) 5516 return (DDI_FAILURE); 5517 } 5518 5519 return (DDI_SUCCESS); 5520 } 5521 5522 /* 5523 * issue_mfi_dcmd 5524 */ 5525 static int 5526 issue_mfi_dcmd(struct mrsas_instance *instance, struct mrsas_ioctl *ioctl, 5527 struct mrsas_cmd *cmd, int mode) 5528 { 5529 void *ubuf; 5530 uint32_t kphys_addr = 0; 5531 uint32_t xferlen = 0; 5532 uint32_t new_xfer_length = 0; 5533 uint32_t model; 5534 dma_obj_t dcmd_dma_obj; 5535 struct mrsas_dcmd_frame *kdcmd; 5536 struct mrsas_dcmd_frame *dcmd; 5537 ddi_acc_handle_t acc_handle = cmd->frame_dma_obj.acc_handle; 5538 int i; 5539 dcmd = &cmd->frame->dcmd; 5540 kdcmd = (struct mrsas_dcmd_frame *)&ioctl->frame[0]; 5541 5542 if (instance->adapterresetinprogress) { 5543 con_log(CL_ANN1, (CE_NOTE, "Reset flag set, " 5544 "returning mfi_pkt and setting TRAN_BUSY")); 5545 return (DDI_FAILURE); 5546 } 5547 model = ddi_model_convert_from(mode & FMODELS); 5548 if (model == DDI_MODEL_ILP32) { 5549 con_log(CL_ANN1, (CE_CONT, "issue_mfi_dcmd: DDI_MODEL_ILP32")); 5550 5551 xferlen = kdcmd->sgl.sge32[0].length; 5552 5553 ubuf = (void *)(ulong_t)kdcmd->sgl.sge32[0].phys_addr; 5554 } else { 5555 #ifdef _ILP32 5556 con_log(CL_ANN1, (CE_CONT, "issue_mfi_dcmd: DDI_MODEL_ILP32")); 5557 xferlen = kdcmd->sgl.sge32[0].length; 5558 ubuf = (void *)(ulong_t)kdcmd->sgl.sge32[0].phys_addr; 5559 #else 5560 con_log(CL_ANN1, (CE_CONT, "issue_mfi_dcmd: DDI_MODEL_LP64")); 5561 xferlen = kdcmd->sgl.sge64[0].length; 5562 ubuf = (void *)(ulong_t)kdcmd->sgl.sge64[0].phys_addr; 5563 #endif 5564 } 5565 if (xferlen) { 5566 /* means IOCTL requires DMA */ 5567 /* allocate the data transfer buffer */ 5568 /* dcmd_dma_obj.size = xferlen; */ 5569 MRSAS_GET_BOUNDARY_ALIGNED_LEN(xferlen, new_xfer_length, 5570 PAGESIZE); 5571 dcmd_dma_obj.size = new_xfer_length; 5572 dcmd_dma_obj.dma_attr = mrsas_generic_dma_attr; 5573 dcmd_dma_obj.dma_attr.dma_attr_addr_hi = 0xFFFFFFFFU; 5574 dcmd_dma_obj.dma_attr.dma_attr_count_max = 0xFFFFFFFFU; 5575 dcmd_dma_obj.dma_attr.dma_attr_sgllen = 1; 5576 dcmd_dma_obj.dma_attr.dma_attr_align = 1; 5577 5578 /* allocate kernel buffer for DMA */ 5579 if (mrsas_alloc_dma_obj(instance, &dcmd_dma_obj, 5580 (uchar_t)DDI_STRUCTURE_LE_ACC) != 1) { 5581 con_log(CL_ANN, 5582 (CE_WARN, "issue_mfi_dcmd: could not " 5583 "allocate data transfer buffer.")); 5584 return (DDI_FAILURE); 5585 } 5586 (void) memset(dcmd_dma_obj.buffer, 0, xferlen); 5587 5588 /* If IOCTL requires DMA WRITE, do ddi_copyin IOCTL data copy */ 5589 if (kdcmd->flags & MFI_FRAME_DIR_WRITE) { 5590 for (i = 0; i < xferlen; i++) { 5591 if (ddi_copyin((uint8_t *)ubuf + i, 5592 (uint8_t *)dcmd_dma_obj.buffer + i, 5593 1, mode)) { 5594 con_log(CL_ANN, (CE_WARN, 5595 "issue_mfi_dcmd : " 5596 "copy from user space failed")); 5597 return (DDI_FAILURE); 5598 } 5599 } 5600 } 5601 5602 kphys_addr = dcmd_dma_obj.dma_cookie[0].dmac_address; 5603 } 5604 5605 ddi_put8(acc_handle, &dcmd->cmd, kdcmd->cmd); 5606 ddi_put8(acc_handle, &dcmd->cmd_status, 0); 5607 ddi_put8(acc_handle, &dcmd->sge_count, kdcmd->sge_count); 5608 ddi_put16(acc_handle, &dcmd->timeout, kdcmd->timeout); 5609 ddi_put32(acc_handle, &dcmd->data_xfer_len, kdcmd->data_xfer_len); 5610 ddi_put32(acc_handle, &dcmd->opcode, kdcmd->opcode); 5611 5612 ddi_rep_put8(acc_handle, (uint8_t *)kdcmd->mbox.b, 5613 (uint8_t *)dcmd->mbox.b, DCMD_MBOX_SZ, DDI_DEV_AUTOINCR); 5614 5615 ddi_put16(acc_handle, &dcmd->flags, kdcmd->flags & ~MFI_FRAME_SGL64); 5616 ddi_put32(acc_handle, &dcmd->sgl.sge32[0].length, xferlen); 5617 ddi_put32(acc_handle, &dcmd->sgl.sge32[0].phys_addr, kphys_addr); 5618 5619 cmd->sync_cmd = MRSAS_TRUE; 5620 cmd->frame_count = 1; 5621 5622 if (instance->tbolt) { 5623 mr_sas_tbolt_build_mfi_cmd(instance, cmd); 5624 } 5625 5626 if (instance->func_ptr->issue_cmd_in_sync_mode(instance, cmd)) { 5627 con_log(CL_ANN, (CE_WARN, "issue_mfi_dcmd: fw_ioctl failed")); 5628 } else { 5629 if (xferlen && (kdcmd->flags & MFI_FRAME_DIR_READ)) { 5630 for (i = 0; i < xferlen; i++) { 5631 if (ddi_copyout( 5632 (uint8_t *)dcmd_dma_obj.buffer + i, 5633 (uint8_t *)ubuf + i, 5634 1, mode)) { 5635 con_log(CL_ANN, (CE_WARN, 5636 "issue_mfi_dcmd : " 5637 "copy to user space failed")); 5638 return (DDI_FAILURE); 5639 } 5640 } 5641 } 5642 } 5643 5644 kdcmd->cmd_status = ddi_get8(acc_handle, &dcmd->cmd_status); 5645 con_log(CL_ANN, 5646 (CE_CONT, "issue_mfi_dcmd: cmd_status %x", kdcmd->cmd_status)); 5647 DTRACE_PROBE3(issue_dcmd, uint32_t, kdcmd->opcode, uint8_t, 5648 kdcmd->cmd, uint8_t, kdcmd->cmd_status); 5649 5650 if (xferlen) { 5651 /* free kernel buffer */ 5652 if (mrsas_free_dma_obj(instance, dcmd_dma_obj) != DDI_SUCCESS) 5653 return (DDI_FAILURE); 5654 } 5655 5656 return (DDI_SUCCESS); 5657 } 5658 5659 /* 5660 * issue_mfi_smp 5661 */ 5662 static int 5663 issue_mfi_smp(struct mrsas_instance *instance, struct mrsas_ioctl *ioctl, 5664 struct mrsas_cmd *cmd, int mode) 5665 { 5666 void *request_ubuf; 5667 void *response_ubuf; 5668 uint32_t request_xferlen = 0; 5669 uint32_t response_xferlen = 0; 5670 uint32_t new_xfer_length1 = 0; 5671 uint32_t new_xfer_length2 = 0; 5672 uint_t model; 5673 dma_obj_t request_dma_obj; 5674 dma_obj_t response_dma_obj; 5675 ddi_acc_handle_t acc_handle = cmd->frame_dma_obj.acc_handle; 5676 struct mrsas_smp_frame *ksmp; 5677 struct mrsas_smp_frame *smp; 5678 struct mrsas_sge32 *sge32; 5679 #ifndef _ILP32 5680 struct mrsas_sge64 *sge64; 5681 #endif 5682 int i; 5683 uint64_t tmp_sas_addr; 5684 5685 smp = &cmd->frame->smp; 5686 ksmp = (struct mrsas_smp_frame *)&ioctl->frame[0]; 5687 5688 if (instance->adapterresetinprogress) { 5689 con_log(CL_ANN1, (CE_WARN, "Reset flag set, " 5690 "returning mfi_pkt and setting TRAN_BUSY\n")); 5691 return (DDI_FAILURE); 5692 } 5693 model = ddi_model_convert_from(mode & FMODELS); 5694 if (model == DDI_MODEL_ILP32) { 5695 con_log(CL_ANN1, (CE_CONT, "issue_mfi_smp: DDI_MODEL_ILP32")); 5696 5697 sge32 = &ksmp->sgl[0].sge32[0]; 5698 response_xferlen = sge32[0].length; 5699 request_xferlen = sge32[1].length; 5700 con_log(CL_ANN, (CE_CONT, "issue_mfi_smp: " 5701 "response_xferlen = %x, request_xferlen = %x", 5702 response_xferlen, request_xferlen)); 5703 5704 response_ubuf = (void *)(ulong_t)sge32[0].phys_addr; 5705 request_ubuf = (void *)(ulong_t)sge32[1].phys_addr; 5706 con_log(CL_ANN1, (CE_CONT, "issue_mfi_smp: " 5707 "response_ubuf = %p, request_ubuf = %p", 5708 response_ubuf, request_ubuf)); 5709 } else { 5710 #ifdef _ILP32 5711 con_log(CL_ANN1, (CE_CONT, "issue_mfi_smp: DDI_MODEL_ILP32")); 5712 5713 sge32 = &ksmp->sgl[0].sge32[0]; 5714 response_xferlen = sge32[0].length; 5715 request_xferlen = sge32[1].length; 5716 con_log(CL_ANN, (CE_CONT, "issue_mfi_smp: " 5717 "response_xferlen = %x, request_xferlen = %x", 5718 response_xferlen, request_xferlen)); 5719 5720 response_ubuf = (void *)(ulong_t)sge32[0].phys_addr; 5721 request_ubuf = (void *)(ulong_t)sge32[1].phys_addr; 5722 con_log(CL_ANN1, (CE_CONT, "issue_mfi_smp: " 5723 "response_ubuf = %p, request_ubuf = %p", 5724 response_ubuf, request_ubuf)); 5725 #else 5726 con_log(CL_ANN1, (CE_CONT, "issue_mfi_smp: DDI_MODEL_LP64")); 5727 5728 sge64 = &ksmp->sgl[0].sge64[0]; 5729 response_xferlen = sge64[0].length; 5730 request_xferlen = sge64[1].length; 5731 5732 response_ubuf = (void *)(ulong_t)sge64[0].phys_addr; 5733 request_ubuf = (void *)(ulong_t)sge64[1].phys_addr; 5734 #endif 5735 } 5736 if (request_xferlen) { 5737 /* means IOCTL requires DMA */ 5738 /* allocate the data transfer buffer */ 5739 /* request_dma_obj.size = request_xferlen; */ 5740 MRSAS_GET_BOUNDARY_ALIGNED_LEN(request_xferlen, 5741 new_xfer_length1, PAGESIZE); 5742 request_dma_obj.size = new_xfer_length1; 5743 request_dma_obj.dma_attr = mrsas_generic_dma_attr; 5744 request_dma_obj.dma_attr.dma_attr_addr_hi = 0xFFFFFFFFU; 5745 request_dma_obj.dma_attr.dma_attr_count_max = 0xFFFFFFFFU; 5746 request_dma_obj.dma_attr.dma_attr_sgllen = 1; 5747 request_dma_obj.dma_attr.dma_attr_align = 1; 5748 5749 /* allocate kernel buffer for DMA */ 5750 if (mrsas_alloc_dma_obj(instance, &request_dma_obj, 5751 (uchar_t)DDI_STRUCTURE_LE_ACC) != 1) { 5752 con_log(CL_ANN, (CE_WARN, "issue_mfi_smp: " 5753 "could not allocate data transfer buffer.")); 5754 return (DDI_FAILURE); 5755 } 5756 (void) memset(request_dma_obj.buffer, 0, request_xferlen); 5757 5758 /* If IOCTL requires DMA WRITE, do ddi_copyin IOCTL data copy */ 5759 for (i = 0; i < request_xferlen; i++) { 5760 if (ddi_copyin((uint8_t *)request_ubuf + i, 5761 (uint8_t *)request_dma_obj.buffer + i, 5762 1, mode)) { 5763 con_log(CL_ANN, (CE_WARN, "issue_mfi_smp: " 5764 "copy from user space failed")); 5765 return (DDI_FAILURE); 5766 } 5767 } 5768 } 5769 5770 if (response_xferlen) { 5771 /* means IOCTL requires DMA */ 5772 /* allocate the data transfer buffer */ 5773 /* response_dma_obj.size = response_xferlen; */ 5774 MRSAS_GET_BOUNDARY_ALIGNED_LEN(response_xferlen, 5775 new_xfer_length2, PAGESIZE); 5776 response_dma_obj.size = new_xfer_length2; 5777 response_dma_obj.dma_attr = mrsas_generic_dma_attr; 5778 response_dma_obj.dma_attr.dma_attr_addr_hi = 0xFFFFFFFFU; 5779 response_dma_obj.dma_attr.dma_attr_count_max = 0xFFFFFFFFU; 5780 response_dma_obj.dma_attr.dma_attr_sgllen = 1; 5781 response_dma_obj.dma_attr.dma_attr_align = 1; 5782 5783 /* allocate kernel buffer for DMA */ 5784 if (mrsas_alloc_dma_obj(instance, &response_dma_obj, 5785 (uchar_t)DDI_STRUCTURE_LE_ACC) != 1) { 5786 con_log(CL_ANN, (CE_WARN, "issue_mfi_smp: " 5787 "could not allocate data transfer buffer.")); 5788 return (DDI_FAILURE); 5789 } 5790 (void) memset(response_dma_obj.buffer, 0, response_xferlen); 5791 5792 /* If IOCTL requires DMA WRITE, do ddi_copyin IOCTL data copy */ 5793 for (i = 0; i < response_xferlen; i++) { 5794 if (ddi_copyin((uint8_t *)response_ubuf + i, 5795 (uint8_t *)response_dma_obj.buffer + i, 5796 1, mode)) { 5797 con_log(CL_ANN, (CE_WARN, "issue_mfi_smp: " 5798 "copy from user space failed")); 5799 return (DDI_FAILURE); 5800 } 5801 } 5802 } 5803 5804 ddi_put8(acc_handle, &smp->cmd, ksmp->cmd); 5805 ddi_put8(acc_handle, &smp->cmd_status, 0); 5806 ddi_put8(acc_handle, &smp->connection_status, 0); 5807 ddi_put8(acc_handle, &smp->sge_count, ksmp->sge_count); 5808 /* smp->context = ksmp->context; */ 5809 ddi_put16(acc_handle, &smp->timeout, ksmp->timeout); 5810 ddi_put32(acc_handle, &smp->data_xfer_len, ksmp->data_xfer_len); 5811 5812 bcopy((void *)&ksmp->sas_addr, (void *)&tmp_sas_addr, 5813 sizeof (uint64_t)); 5814 ddi_put64(acc_handle, &smp->sas_addr, tmp_sas_addr); 5815 5816 ddi_put16(acc_handle, &smp->flags, ksmp->flags & ~MFI_FRAME_SGL64); 5817 5818 model = ddi_model_convert_from(mode & FMODELS); 5819 if (model == DDI_MODEL_ILP32) { 5820 con_log(CL_ANN1, (CE_CONT, 5821 "issue_mfi_smp: DDI_MODEL_ILP32")); 5822 5823 sge32 = &smp->sgl[0].sge32[0]; 5824 ddi_put32(acc_handle, &sge32[0].length, response_xferlen); 5825 ddi_put32(acc_handle, &sge32[0].phys_addr, 5826 response_dma_obj.dma_cookie[0].dmac_address); 5827 ddi_put32(acc_handle, &sge32[1].length, request_xferlen); 5828 ddi_put32(acc_handle, &sge32[1].phys_addr, 5829 request_dma_obj.dma_cookie[0].dmac_address); 5830 } else { 5831 #ifdef _ILP32 5832 con_log(CL_ANN1, (CE_CONT, 5833 "issue_mfi_smp: DDI_MODEL_ILP32")); 5834 sge32 = &smp->sgl[0].sge32[0]; 5835 ddi_put32(acc_handle, &sge32[0].length, response_xferlen); 5836 ddi_put32(acc_handle, &sge32[0].phys_addr, 5837 response_dma_obj.dma_cookie[0].dmac_address); 5838 ddi_put32(acc_handle, &sge32[1].length, request_xferlen); 5839 ddi_put32(acc_handle, &sge32[1].phys_addr, 5840 request_dma_obj.dma_cookie[0].dmac_address); 5841 #else 5842 con_log(CL_ANN1, (CE_CONT, 5843 "issue_mfi_smp: DDI_MODEL_LP64")); 5844 sge64 = &smp->sgl[0].sge64[0]; 5845 ddi_put32(acc_handle, &sge64[0].length, response_xferlen); 5846 ddi_put64(acc_handle, &sge64[0].phys_addr, 5847 response_dma_obj.dma_cookie[0].dmac_address); 5848 ddi_put32(acc_handle, &sge64[1].length, request_xferlen); 5849 ddi_put64(acc_handle, &sge64[1].phys_addr, 5850 request_dma_obj.dma_cookie[0].dmac_address); 5851 #endif 5852 } 5853 con_log(CL_ANN1, (CE_CONT, "issue_mfi_smp : " 5854 "smp->response_xferlen = %d, smp->request_xferlen = %d " 5855 "smp->data_xfer_len = %d", ddi_get32(acc_handle, &sge32[0].length), 5856 ddi_get32(acc_handle, &sge32[1].length), 5857 ddi_get32(acc_handle, &smp->data_xfer_len))); 5858 5859 cmd->sync_cmd = MRSAS_TRUE; 5860 cmd->frame_count = 1; 5861 5862 if (instance->tbolt) { 5863 mr_sas_tbolt_build_mfi_cmd(instance, cmd); 5864 } 5865 5866 if (instance->func_ptr->issue_cmd_in_sync_mode(instance, cmd)) { 5867 con_log(CL_ANN, (CE_WARN, 5868 "issue_mfi_smp: fw_ioctl failed")); 5869 } else { 5870 con_log(CL_ANN1, (CE_CONT, 5871 "issue_mfi_smp: copy to user space")); 5872 5873 if (request_xferlen) { 5874 for (i = 0; i < request_xferlen; i++) { 5875 if (ddi_copyout( 5876 (uint8_t *)request_dma_obj.buffer + 5877 i, (uint8_t *)request_ubuf + i, 5878 1, mode)) { 5879 con_log(CL_ANN, (CE_WARN, 5880 "issue_mfi_smp : copy to user space" 5881 " failed")); 5882 return (DDI_FAILURE); 5883 } 5884 } 5885 } 5886 5887 if (response_xferlen) { 5888 for (i = 0; i < response_xferlen; i++) { 5889 if (ddi_copyout( 5890 (uint8_t *)response_dma_obj.buffer 5891 + i, (uint8_t *)response_ubuf 5892 + i, 1, mode)) { 5893 con_log(CL_ANN, (CE_WARN, 5894 "issue_mfi_smp : copy to " 5895 "user space failed")); 5896 return (DDI_FAILURE); 5897 } 5898 } 5899 } 5900 } 5901 5902 ksmp->cmd_status = ddi_get8(acc_handle, &smp->cmd_status); 5903 con_log(CL_ANN1, (CE_NOTE, "issue_mfi_smp: smp->cmd_status = %d", 5904 ksmp->cmd_status)); 5905 DTRACE_PROBE2(issue_smp, uint8_t, ksmp->cmd, uint8_t, ksmp->cmd_status); 5906 5907 if (request_xferlen) { 5908 /* free kernel buffer */ 5909 if (mrsas_free_dma_obj(instance, request_dma_obj) != 5910 DDI_SUCCESS) 5911 return (DDI_FAILURE); 5912 } 5913 5914 if (response_xferlen) { 5915 /* free kernel buffer */ 5916 if (mrsas_free_dma_obj(instance, response_dma_obj) != 5917 DDI_SUCCESS) 5918 return (DDI_FAILURE); 5919 } 5920 5921 return (DDI_SUCCESS); 5922 } 5923 5924 /* 5925 * issue_mfi_stp 5926 */ 5927 static int 5928 issue_mfi_stp(struct mrsas_instance *instance, struct mrsas_ioctl *ioctl, 5929 struct mrsas_cmd *cmd, int mode) 5930 { 5931 void *fis_ubuf; 5932 void *data_ubuf; 5933 uint32_t fis_xferlen = 0; 5934 uint32_t new_xfer_length1 = 0; 5935 uint32_t new_xfer_length2 = 0; 5936 uint32_t data_xferlen = 0; 5937 uint_t model; 5938 dma_obj_t fis_dma_obj; 5939 dma_obj_t data_dma_obj; 5940 struct mrsas_stp_frame *kstp; 5941 struct mrsas_stp_frame *stp; 5942 ddi_acc_handle_t acc_handle = cmd->frame_dma_obj.acc_handle; 5943 int i; 5944 5945 stp = &cmd->frame->stp; 5946 kstp = (struct mrsas_stp_frame *)&ioctl->frame[0]; 5947 5948 if (instance->adapterresetinprogress) { 5949 con_log(CL_ANN1, (CE_WARN, "Reset flag set, " 5950 "returning mfi_pkt and setting TRAN_BUSY\n")); 5951 return (DDI_FAILURE); 5952 } 5953 model = ddi_model_convert_from(mode & FMODELS); 5954 if (model == DDI_MODEL_ILP32) { 5955 con_log(CL_ANN1, (CE_CONT, "issue_mfi_stp: DDI_MODEL_ILP32")); 5956 5957 fis_xferlen = kstp->sgl.sge32[0].length; 5958 data_xferlen = kstp->sgl.sge32[1].length; 5959 5960 fis_ubuf = (void *)(ulong_t)kstp->sgl.sge32[0].phys_addr; 5961 data_ubuf = (void *)(ulong_t)kstp->sgl.sge32[1].phys_addr; 5962 } else { 5963 #ifdef _ILP32 5964 con_log(CL_ANN1, (CE_CONT, "issue_mfi_stp: DDI_MODEL_ILP32")); 5965 5966 fis_xferlen = kstp->sgl.sge32[0].length; 5967 data_xferlen = kstp->sgl.sge32[1].length; 5968 5969 fis_ubuf = (void *)(ulong_t)kstp->sgl.sge32[0].phys_addr; 5970 data_ubuf = (void *)(ulong_t)kstp->sgl.sge32[1].phys_addr; 5971 #else 5972 con_log(CL_ANN1, (CE_CONT, "issue_mfi_stp: DDI_MODEL_LP64")); 5973 5974 fis_xferlen = kstp->sgl.sge64[0].length; 5975 data_xferlen = kstp->sgl.sge64[1].length; 5976 5977 fis_ubuf = (void *)(ulong_t)kstp->sgl.sge64[0].phys_addr; 5978 data_ubuf = (void *)(ulong_t)kstp->sgl.sge64[1].phys_addr; 5979 #endif 5980 } 5981 5982 5983 if (fis_xferlen) { 5984 con_log(CL_ANN, (CE_CONT, "issue_mfi_stp: " 5985 "fis_ubuf = %p fis_xferlen = %x", fis_ubuf, fis_xferlen)); 5986 5987 /* means IOCTL requires DMA */ 5988 /* allocate the data transfer buffer */ 5989 /* fis_dma_obj.size = fis_xferlen; */ 5990 MRSAS_GET_BOUNDARY_ALIGNED_LEN(fis_xferlen, 5991 new_xfer_length1, PAGESIZE); 5992 fis_dma_obj.size = new_xfer_length1; 5993 fis_dma_obj.dma_attr = mrsas_generic_dma_attr; 5994 fis_dma_obj.dma_attr.dma_attr_addr_hi = 0xFFFFFFFFU; 5995 fis_dma_obj.dma_attr.dma_attr_count_max = 0xFFFFFFFFU; 5996 fis_dma_obj.dma_attr.dma_attr_sgllen = 1; 5997 fis_dma_obj.dma_attr.dma_attr_align = 1; 5998 5999 /* allocate kernel buffer for DMA */ 6000 if (mrsas_alloc_dma_obj(instance, &fis_dma_obj, 6001 (uchar_t)DDI_STRUCTURE_LE_ACC) != 1) { 6002 con_log(CL_ANN, (CE_WARN, "issue_mfi_stp : " 6003 "could not allocate data transfer buffer.")); 6004 return (DDI_FAILURE); 6005 } 6006 (void) memset(fis_dma_obj.buffer, 0, fis_xferlen); 6007 6008 /* If IOCTL requires DMA WRITE, do ddi_copyin IOCTL data copy */ 6009 for (i = 0; i < fis_xferlen; i++) { 6010 if (ddi_copyin((uint8_t *)fis_ubuf + i, 6011 (uint8_t *)fis_dma_obj.buffer + i, 1, mode)) { 6012 con_log(CL_ANN, (CE_WARN, "issue_mfi_stp: " 6013 "copy from user space failed")); 6014 return (DDI_FAILURE); 6015 } 6016 } 6017 } 6018 6019 if (data_xferlen) { 6020 con_log(CL_ANN, (CE_CONT, "issue_mfi_stp: data_ubuf = %p " 6021 "data_xferlen = %x", data_ubuf, data_xferlen)); 6022 6023 /* means IOCTL requires DMA */ 6024 /* allocate the data transfer buffer */ 6025 /* data_dma_obj.size = data_xferlen; */ 6026 MRSAS_GET_BOUNDARY_ALIGNED_LEN(data_xferlen, new_xfer_length2, 6027 PAGESIZE); 6028 data_dma_obj.size = new_xfer_length2; 6029 data_dma_obj.dma_attr = mrsas_generic_dma_attr; 6030 data_dma_obj.dma_attr.dma_attr_addr_hi = 0xFFFFFFFFU; 6031 data_dma_obj.dma_attr.dma_attr_count_max = 0xFFFFFFFFU; 6032 data_dma_obj.dma_attr.dma_attr_sgllen = 1; 6033 data_dma_obj.dma_attr.dma_attr_align = 1; 6034 6035 /* allocate kernel buffer for DMA */ 6036 if (mrsas_alloc_dma_obj(instance, &data_dma_obj, 6037 (uchar_t)DDI_STRUCTURE_LE_ACC) != 1) { 6038 con_log(CL_ANN, (CE_WARN, "issue_mfi_stp: " 6039 "could not allocate data transfer buffer.")); 6040 return (DDI_FAILURE); 6041 } 6042 (void) memset(data_dma_obj.buffer, 0, data_xferlen); 6043 6044 /* If IOCTL requires DMA WRITE, do ddi_copyin IOCTL data copy */ 6045 for (i = 0; i < data_xferlen; i++) { 6046 if (ddi_copyin((uint8_t *)data_ubuf + i, 6047 (uint8_t *)data_dma_obj.buffer + i, 1, mode)) { 6048 con_log(CL_ANN, (CE_WARN, "issue_mfi_stp: " 6049 "copy from user space failed")); 6050 return (DDI_FAILURE); 6051 } 6052 } 6053 } 6054 6055 ddi_put8(acc_handle, &stp->cmd, kstp->cmd); 6056 ddi_put8(acc_handle, &stp->cmd_status, 0); 6057 ddi_put8(acc_handle, &stp->connection_status, 0); 6058 ddi_put8(acc_handle, &stp->target_id, kstp->target_id); 6059 ddi_put8(acc_handle, &stp->sge_count, kstp->sge_count); 6060 6061 ddi_put16(acc_handle, &stp->timeout, kstp->timeout); 6062 ddi_put32(acc_handle, &stp->data_xfer_len, kstp->data_xfer_len); 6063 6064 ddi_rep_put8(acc_handle, (uint8_t *)kstp->fis, (uint8_t *)stp->fis, 10, 6065 DDI_DEV_AUTOINCR); 6066 6067 ddi_put16(acc_handle, &stp->flags, kstp->flags & ~MFI_FRAME_SGL64); 6068 ddi_put32(acc_handle, &stp->stp_flags, kstp->stp_flags); 6069 ddi_put32(acc_handle, &stp->sgl.sge32[0].length, fis_xferlen); 6070 ddi_put32(acc_handle, &stp->sgl.sge32[0].phys_addr, 6071 fis_dma_obj.dma_cookie[0].dmac_address); 6072 ddi_put32(acc_handle, &stp->sgl.sge32[1].length, data_xferlen); 6073 ddi_put32(acc_handle, &stp->sgl.sge32[1].phys_addr, 6074 data_dma_obj.dma_cookie[0].dmac_address); 6075 6076 cmd->sync_cmd = MRSAS_TRUE; 6077 cmd->frame_count = 1; 6078 6079 if (instance->tbolt) { 6080 mr_sas_tbolt_build_mfi_cmd(instance, cmd); 6081 } 6082 6083 if (instance->func_ptr->issue_cmd_in_sync_mode(instance, cmd)) { 6084 con_log(CL_ANN, (CE_WARN, "issue_mfi_stp: fw_ioctl failed")); 6085 } else { 6086 6087 if (fis_xferlen) { 6088 for (i = 0; i < fis_xferlen; i++) { 6089 if (ddi_copyout( 6090 (uint8_t *)fis_dma_obj.buffer + i, 6091 (uint8_t *)fis_ubuf + i, 1, mode)) { 6092 con_log(CL_ANN, (CE_WARN, 6093 "issue_mfi_stp : copy to " 6094 "user space failed")); 6095 return (DDI_FAILURE); 6096 } 6097 } 6098 } 6099 } 6100 if (data_xferlen) { 6101 for (i = 0; i < data_xferlen; i++) { 6102 if (ddi_copyout( 6103 (uint8_t *)data_dma_obj.buffer + i, 6104 (uint8_t *)data_ubuf + i, 1, mode)) { 6105 con_log(CL_ANN, (CE_WARN, 6106 "issue_mfi_stp : copy to" 6107 " user space failed")); 6108 return (DDI_FAILURE); 6109 } 6110 } 6111 } 6112 6113 kstp->cmd_status = ddi_get8(acc_handle, &stp->cmd_status); 6114 con_log(CL_ANN1, (CE_NOTE, "issue_mfi_stp: stp->cmd_status = %d", 6115 kstp->cmd_status)); 6116 DTRACE_PROBE2(issue_stp, uint8_t, kstp->cmd, uint8_t, kstp->cmd_status); 6117 6118 if (fis_xferlen) { 6119 /* free kernel buffer */ 6120 if (mrsas_free_dma_obj(instance, fis_dma_obj) != DDI_SUCCESS) 6121 return (DDI_FAILURE); 6122 } 6123 6124 if (data_xferlen) { 6125 /* free kernel buffer */ 6126 if (mrsas_free_dma_obj(instance, data_dma_obj) != DDI_SUCCESS) 6127 return (DDI_FAILURE); 6128 } 6129 6130 return (DDI_SUCCESS); 6131 } 6132 6133 /* 6134 * fill_up_drv_ver 6135 */ 6136 void 6137 fill_up_drv_ver(struct mrsas_drv_ver *dv) 6138 { 6139 (void) memset(dv, 0, sizeof (struct mrsas_drv_ver)); 6140 6141 (void) memcpy(dv->signature, "$LSI LOGIC$", strlen("$LSI LOGIC$")); 6142 (void) memcpy(dv->os_name, "Solaris", strlen("Solaris")); 6143 (void) memcpy(dv->drv_name, "mr_sas", strlen("mr_sas")); 6144 (void) memcpy(dv->drv_ver, MRSAS_VERSION, strlen(MRSAS_VERSION)); 6145 (void) memcpy(dv->drv_rel_date, MRSAS_RELDATE, 6146 strlen(MRSAS_RELDATE)); 6147 6148 } 6149 6150 /* 6151 * handle_drv_ioctl 6152 */ 6153 static int 6154 handle_drv_ioctl(struct mrsas_instance *instance, struct mrsas_ioctl *ioctl, 6155 int mode) 6156 { 6157 int i; 6158 int rval = DDI_SUCCESS; 6159 int *props = NULL; 6160 void *ubuf; 6161 6162 uint8_t *pci_conf_buf; 6163 uint32_t xferlen; 6164 uint32_t num_props; 6165 uint_t model; 6166 struct mrsas_dcmd_frame *kdcmd; 6167 struct mrsas_drv_ver dv; 6168 struct mrsas_pci_information pi; 6169 6170 kdcmd = (struct mrsas_dcmd_frame *)&ioctl->frame[0]; 6171 6172 model = ddi_model_convert_from(mode & FMODELS); 6173 if (model == DDI_MODEL_ILP32) { 6174 con_log(CL_ANN1, (CE_CONT, 6175 "handle_drv_ioctl: DDI_MODEL_ILP32")); 6176 6177 xferlen = kdcmd->sgl.sge32[0].length; 6178 6179 ubuf = (void *)(ulong_t)kdcmd->sgl.sge32[0].phys_addr; 6180 } else { 6181 #ifdef _ILP32 6182 con_log(CL_ANN1, (CE_CONT, 6183 "handle_drv_ioctl: DDI_MODEL_ILP32")); 6184 xferlen = kdcmd->sgl.sge32[0].length; 6185 ubuf = (void *)(ulong_t)kdcmd->sgl.sge32[0].phys_addr; 6186 #else 6187 con_log(CL_ANN1, (CE_CONT, 6188 "handle_drv_ioctl: DDI_MODEL_LP64")); 6189 xferlen = kdcmd->sgl.sge64[0].length; 6190 ubuf = (void *)(ulong_t)kdcmd->sgl.sge64[0].phys_addr; 6191 #endif 6192 } 6193 con_log(CL_ANN1, (CE_CONT, "handle_drv_ioctl: " 6194 "dataBuf=%p size=%d bytes", ubuf, xferlen)); 6195 6196 switch (kdcmd->opcode) { 6197 case MRSAS_DRIVER_IOCTL_DRIVER_VERSION: 6198 con_log(CL_ANN1, (CE_CONT, "handle_drv_ioctl: " 6199 "MRSAS_DRIVER_IOCTL_DRIVER_VERSION")); 6200 6201 fill_up_drv_ver(&dv); 6202 6203 if (ddi_copyout(&dv, ubuf, xferlen, mode)) { 6204 con_log(CL_ANN, (CE_WARN, "handle_drv_ioctl: " 6205 "MRSAS_DRIVER_IOCTL_DRIVER_VERSION : " 6206 "copy to user space failed")); 6207 kdcmd->cmd_status = 1; 6208 rval = 1; 6209 } else { 6210 kdcmd->cmd_status = 0; 6211 } 6212 break; 6213 case MRSAS_DRIVER_IOCTL_PCI_INFORMATION: 6214 con_log(CL_ANN1, (CE_NOTE, "handle_drv_ioctl: " 6215 "MRSAS_DRIVER_IOCTL_PCI_INFORMAITON")); 6216 6217 if (ddi_prop_lookup_int_array(DDI_DEV_T_ANY, instance->dip, 6218 0, "reg", &props, &num_props)) { 6219 con_log(CL_ANN, (CE_WARN, "handle_drv_ioctl: " 6220 "MRSAS_DRIVER_IOCTL_PCI_INFORMATION : " 6221 "ddi_prop_look_int_array failed")); 6222 rval = DDI_FAILURE; 6223 } else { 6224 6225 pi.busNumber = (props[0] >> 16) & 0xFF; 6226 pi.deviceNumber = (props[0] >> 11) & 0x1f; 6227 pi.functionNumber = (props[0] >> 8) & 0x7; 6228 ddi_prop_free((void *)props); 6229 } 6230 6231 pci_conf_buf = (uint8_t *)&pi.pciHeaderInfo; 6232 6233 for (i = 0; i < (sizeof (struct mrsas_pci_information) - 6234 offsetof(struct mrsas_pci_information, pciHeaderInfo)); 6235 i++) { 6236 pci_conf_buf[i] = 6237 pci_config_get8(instance->pci_handle, i); 6238 } 6239 6240 if (ddi_copyout(&pi, ubuf, xferlen, mode)) { 6241 con_log(CL_ANN, (CE_WARN, "handle_drv_ioctl: " 6242 "MRSAS_DRIVER_IOCTL_PCI_INFORMATION : " 6243 "copy to user space failed")); 6244 kdcmd->cmd_status = 1; 6245 rval = 1; 6246 } else { 6247 kdcmd->cmd_status = 0; 6248 } 6249 break; 6250 default: 6251 con_log(CL_ANN, (CE_WARN, "handle_drv_ioctl: " 6252 "invalid driver specific IOCTL opcode = 0x%x", 6253 kdcmd->opcode)); 6254 kdcmd->cmd_status = 1; 6255 rval = DDI_FAILURE; 6256 break; 6257 } 6258 6259 return (rval); 6260 } 6261 6262 /* 6263 * handle_mfi_ioctl 6264 */ 6265 static int 6266 handle_mfi_ioctl(struct mrsas_instance *instance, struct mrsas_ioctl *ioctl, 6267 int mode) 6268 { 6269 int rval = DDI_SUCCESS; 6270 6271 struct mrsas_header *hdr; 6272 struct mrsas_cmd *cmd; 6273 6274 if (instance->tbolt) { 6275 cmd = get_raid_msg_mfi_pkt(instance); 6276 } else { 6277 cmd = mrsas_get_mfi_pkt(instance); 6278 } 6279 if (!cmd) { 6280 con_log(CL_ANN, (CE_WARN, "mr_sas: " 6281 "failed to get a cmd packet")); 6282 DTRACE_PROBE2(mfi_ioctl_err, uint16_t, 6283 instance->fw_outstanding, uint16_t, instance->max_fw_cmds); 6284 return (DDI_FAILURE); 6285 } 6286 6287 /* Clear the frame buffer and assign back the context id */ 6288 (void) memset((char *)&cmd->frame[0], 0, sizeof (union mrsas_frame)); 6289 ddi_put32(cmd->frame_dma_obj.acc_handle, &cmd->frame->hdr.context, 6290 cmd->index); 6291 6292 hdr = (struct mrsas_header *)&ioctl->frame[0]; 6293 6294 switch (ddi_get8(cmd->frame_dma_obj.acc_handle, &hdr->cmd)) { 6295 case MFI_CMD_OP_DCMD: 6296 rval = issue_mfi_dcmd(instance, ioctl, cmd, mode); 6297 break; 6298 case MFI_CMD_OP_SMP: 6299 rval = issue_mfi_smp(instance, ioctl, cmd, mode); 6300 break; 6301 case MFI_CMD_OP_STP: 6302 rval = issue_mfi_stp(instance, ioctl, cmd, mode); 6303 break; 6304 case MFI_CMD_OP_LD_SCSI: 6305 case MFI_CMD_OP_PD_SCSI: 6306 rval = issue_mfi_pthru(instance, ioctl, cmd, mode); 6307 break; 6308 default: 6309 con_log(CL_ANN, (CE_WARN, "handle_mfi_ioctl: " 6310 "invalid mfi ioctl hdr->cmd = %d", hdr->cmd)); 6311 rval = DDI_FAILURE; 6312 break; 6313 } 6314 6315 if (mrsas_common_check(instance, cmd) != DDI_SUCCESS) 6316 rval = DDI_FAILURE; 6317 6318 if (instance->tbolt) { 6319 return_raid_msg_mfi_pkt(instance, cmd); 6320 } else { 6321 mrsas_return_mfi_pkt(instance, cmd); 6322 } 6323 6324 return (rval); 6325 } 6326 6327 /* 6328 * AEN 6329 */ 6330 static int 6331 handle_mfi_aen(struct mrsas_instance *instance, struct mrsas_aen *aen) 6332 { 6333 int rval = 0; 6334 6335 rval = register_mfi_aen(instance, instance->aen_seq_num, 6336 aen->class_locale_word); 6337 6338 aen->cmd_status = (uint8_t)rval; 6339 6340 return (rval); 6341 } 6342 6343 static int 6344 register_mfi_aen(struct mrsas_instance *instance, uint32_t seq_num, 6345 uint32_t class_locale_word) 6346 { 6347 int ret_val; 6348 6349 struct mrsas_cmd *cmd, *aen_cmd; 6350 struct mrsas_dcmd_frame *dcmd; 6351 union mrsas_evt_class_locale curr_aen; 6352 union mrsas_evt_class_locale prev_aen; 6353 6354 con_log(CL_ANN, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__)); 6355 /* 6356 * If there an AEN pending already (aen_cmd), check if the 6357 * class_locale of that pending AEN is inclusive of the new 6358 * AEN request we currently have. If it is, then we don't have 6359 * to do anything. In other words, whichever events the current 6360 * AEN request is subscribing to, have already been subscribed 6361 * to. 6362 * 6363 * If the old_cmd is _not_ inclusive, then we have to abort 6364 * that command, form a class_locale that is superset of both 6365 * old and current and re-issue to the FW 6366 */ 6367 6368 curr_aen.word = LE_32(class_locale_word); 6369 curr_aen.members.locale = LE_16(curr_aen.members.locale); 6370 aen_cmd = instance->aen_cmd; 6371 if (aen_cmd) { 6372 prev_aen.word = ddi_get32(aen_cmd->frame_dma_obj.acc_handle, 6373 &aen_cmd->frame->dcmd.mbox.w[1]); 6374 prev_aen.word = LE_32(prev_aen.word); 6375 prev_aen.members.locale = LE_16(prev_aen.members.locale); 6376 /* 6377 * A class whose enum value is smaller is inclusive of all 6378 * higher values. If a PROGRESS (= -1) was previously 6379 * registered, then a new registration requests for higher 6380 * classes need not be sent to FW. They are automatically 6381 * included. 6382 * 6383 * Locale numbers don't have such hierarchy. They are bitmap 6384 * values 6385 */ 6386 if ((prev_aen.members.class <= curr_aen.members.class) && 6387 !((prev_aen.members.locale & curr_aen.members.locale) ^ 6388 curr_aen.members.locale)) { 6389 /* 6390 * Previously issued event registration includes 6391 * current request. Nothing to do. 6392 */ 6393 6394 return (0); 6395 } else { 6396 curr_aen.members.locale |= prev_aen.members.locale; 6397 6398 if (prev_aen.members.class < curr_aen.members.class) 6399 curr_aen.members.class = prev_aen.members.class; 6400 6401 ret_val = abort_aen_cmd(instance, aen_cmd); 6402 6403 if (ret_val) { 6404 con_log(CL_ANN, (CE_WARN, "register_mfi_aen: " 6405 "failed to abort prevous AEN command")); 6406 6407 return (ret_val); 6408 } 6409 } 6410 } else { 6411 curr_aen.word = LE_32(class_locale_word); 6412 curr_aen.members.locale = LE_16(curr_aen.members.locale); 6413 } 6414 6415 if (instance->tbolt) { 6416 cmd = get_raid_msg_mfi_pkt(instance); 6417 } else { 6418 cmd = mrsas_get_mfi_pkt(instance); 6419 } 6420 6421 if (!cmd) { 6422 DTRACE_PROBE2(mfi_aen_err, uint16_t, instance->fw_outstanding, 6423 uint16_t, instance->max_fw_cmds); 6424 return (ENOMEM); 6425 } 6426 6427 /* Clear the frame buffer and assign back the context id */ 6428 (void) memset((char *)&cmd->frame[0], 0, sizeof (union mrsas_frame)); 6429 ddi_put32(cmd->frame_dma_obj.acc_handle, &cmd->frame->hdr.context, 6430 cmd->index); 6431 6432 dcmd = &cmd->frame->dcmd; 6433 6434 /* for(i = 0; i < DCMD_MBOX_SZ; i++) dcmd->mbox.b[i] = 0; */ 6435 (void) memset(dcmd->mbox.b, 0, DCMD_MBOX_SZ); 6436 6437 (void) memset(instance->mfi_evt_detail_obj.buffer, 0, 6438 sizeof (struct mrsas_evt_detail)); 6439 6440 /* Prepare DCMD for aen registration */ 6441 ddi_put8(cmd->frame_dma_obj.acc_handle, &dcmd->cmd, MFI_CMD_OP_DCMD); 6442 ddi_put8(cmd->frame_dma_obj.acc_handle, &dcmd->cmd_status, 0x0); 6443 ddi_put8(cmd->frame_dma_obj.acc_handle, &dcmd->sge_count, 1); 6444 ddi_put16(cmd->frame_dma_obj.acc_handle, &dcmd->flags, 6445 MFI_FRAME_DIR_READ); 6446 ddi_put16(cmd->frame_dma_obj.acc_handle, &dcmd->timeout, 0); 6447 ddi_put32(cmd->frame_dma_obj.acc_handle, &dcmd->data_xfer_len, 6448 sizeof (struct mrsas_evt_detail)); 6449 ddi_put32(cmd->frame_dma_obj.acc_handle, &dcmd->opcode, 6450 MR_DCMD_CTRL_EVENT_WAIT); 6451 ddi_put32(cmd->frame_dma_obj.acc_handle, &dcmd->mbox.w[0], seq_num); 6452 curr_aen.members.locale = LE_16(curr_aen.members.locale); 6453 curr_aen.word = LE_32(curr_aen.word); 6454 ddi_put32(cmd->frame_dma_obj.acc_handle, &dcmd->mbox.w[1], 6455 curr_aen.word); 6456 ddi_put32(cmd->frame_dma_obj.acc_handle, &dcmd->sgl.sge32[0].phys_addr, 6457 instance->mfi_evt_detail_obj.dma_cookie[0].dmac_address); 6458 ddi_put32(cmd->frame_dma_obj.acc_handle, &dcmd->sgl.sge32[0].length, 6459 sizeof (struct mrsas_evt_detail)); 6460 6461 instance->aen_seq_num = seq_num; 6462 6463 6464 /* 6465 * Store reference to the cmd used to register for AEN. When an 6466 * application wants us to register for AEN, we have to abort this 6467 * cmd and re-register with a new EVENT LOCALE supplied by that app 6468 */ 6469 instance->aen_cmd = cmd; 6470 6471 cmd->frame_count = 1; 6472 6473 /* Issue the aen registration frame */ 6474 /* atomic_add_16 (&instance->fw_outstanding, 1); */ 6475 if (instance->tbolt) { 6476 mr_sas_tbolt_build_mfi_cmd(instance, cmd); 6477 } 6478 instance->func_ptr->issue_cmd(cmd, instance); 6479 6480 return (0); 6481 } 6482 6483 void 6484 display_scsi_inquiry(caddr_t scsi_inq) 6485 { 6486 #define MAX_SCSI_DEVICE_CODE 14 6487 int i; 6488 char inquiry_buf[256] = {0}; 6489 int len; 6490 const char *const scsi_device_types[] = { 6491 "Direct-Access ", 6492 "Sequential-Access", 6493 "Printer ", 6494 "Processor ", 6495 "WORM ", 6496 "CD-ROM ", 6497 "Scanner ", 6498 "Optical Device ", 6499 "Medium Changer ", 6500 "Communications ", 6501 "Unknown ", 6502 "Unknown ", 6503 "Unknown ", 6504 "Enclosure ", 6505 }; 6506 6507 len = 0; 6508 6509 len += snprintf(inquiry_buf + len, 265 - len, " Vendor: "); 6510 for (i = 8; i < 16; i++) { 6511 len += snprintf(inquiry_buf + len, 265 - len, "%c", 6512 scsi_inq[i]); 6513 } 6514 6515 len += snprintf(inquiry_buf + len, 265 - len, " Model: "); 6516 6517 for (i = 16; i < 32; i++) { 6518 len += snprintf(inquiry_buf + len, 265 - len, "%c", 6519 scsi_inq[i]); 6520 } 6521 6522 len += snprintf(inquiry_buf + len, 265 - len, " Rev: "); 6523 6524 for (i = 32; i < 36; i++) { 6525 len += snprintf(inquiry_buf + len, 265 - len, "%c", 6526 scsi_inq[i]); 6527 } 6528 6529 len += snprintf(inquiry_buf + len, 265 - len, "\n"); 6530 6531 6532 i = scsi_inq[0] & 0x1f; 6533 6534 6535 len += snprintf(inquiry_buf + len, 265 - len, " Type: %s ", 6536 i < MAX_SCSI_DEVICE_CODE ? scsi_device_types[i] : 6537 "Unknown "); 6538 6539 6540 len += snprintf(inquiry_buf + len, 265 - len, 6541 " ANSI SCSI revision: %02x", scsi_inq[2] & 0x07); 6542 6543 if ((scsi_inq[2] & 0x07) == 1 && (scsi_inq[3] & 0x0f) == 1) { 6544 len += snprintf(inquiry_buf + len, 265 - len, " CCS\n"); 6545 } else { 6546 len += snprintf(inquiry_buf + len, 265 - len, "\n"); 6547 } 6548 6549 con_log(CL_DLEVEL2, (CE_CONT, inquiry_buf)); 6550 } 6551 6552 static void 6553 io_timeout_checker(void *arg) 6554 { 6555 struct scsi_pkt *pkt; 6556 struct mrsas_instance *instance = arg; 6557 struct mrsas_cmd *cmd = NULL; 6558 struct mrsas_header *hdr; 6559 int time = 0; 6560 int counter = 0; 6561 struct mlist_head *pos, *next; 6562 mlist_t process_list; 6563 6564 if (instance->adapterresetinprogress == 1) { 6565 con_log(CL_ANN, (CE_NOTE, "io_timeout_checker:" 6566 " reset in progress")); 6567 6568 instance->timeout_id = timeout(io_timeout_checker, 6569 (void *) instance, drv_usectohz(MRSAS_1_SECOND)); 6570 return; 6571 } 6572 6573 /* See if this check needs to be in the beginning or last in ISR */ 6574 if (mrsas_initiate_ocr_if_fw_is_faulty(instance) == 1) { 6575 dev_err(instance->dip, CE_WARN, "io_timeout_checker: " 6576 "FW Fault, calling reset adapter"); 6577 dev_err(instance->dip, CE_CONT, "io_timeout_checker: " 6578 "fw_outstanding 0x%X max_fw_cmds 0x%X", 6579 instance->fw_outstanding, instance->max_fw_cmds); 6580 if (instance->adapterresetinprogress == 0) { 6581 instance->adapterresetinprogress = 1; 6582 if (instance->tbolt) 6583 (void) mrsas_tbolt_reset_ppc(instance); 6584 else 6585 (void) mrsas_reset_ppc(instance); 6586 instance->adapterresetinprogress = 0; 6587 } 6588 instance->timeout_id = timeout(io_timeout_checker, 6589 (void *) instance, drv_usectohz(MRSAS_1_SECOND)); 6590 return; 6591 } 6592 6593 INIT_LIST_HEAD(&process_list); 6594 6595 mutex_enter(&instance->cmd_pend_mtx); 6596 mlist_for_each_safe(pos, next, &instance->cmd_pend_list) { 6597 cmd = mlist_entry(pos, struct mrsas_cmd, list); 6598 6599 if (cmd == NULL) { 6600 continue; 6601 } 6602 6603 if (cmd->sync_cmd == MRSAS_TRUE) { 6604 hdr = (struct mrsas_header *)&cmd->frame->hdr; 6605 if (hdr == NULL) { 6606 continue; 6607 } 6608 time = --cmd->drv_pkt_time; 6609 } else { 6610 pkt = cmd->pkt; 6611 if (pkt == NULL) { 6612 continue; 6613 } 6614 time = --cmd->drv_pkt_time; 6615 } 6616 if (time <= 0) { 6617 dev_err(instance->dip, CE_WARN, "%llx: " 6618 "io_timeout_checker: TIMING OUT: pkt: %p, " 6619 "cmd %p fw_outstanding 0x%X max_fw_cmds 0x%X", 6620 gethrtime(), (void *)pkt, (void *)cmd, 6621 instance->fw_outstanding, instance->max_fw_cmds); 6622 6623 counter++; 6624 break; 6625 } 6626 } 6627 mutex_exit(&instance->cmd_pend_mtx); 6628 6629 if (counter) { 6630 if (instance->disable_online_ctrl_reset == 1) { 6631 dev_err(instance->dip, CE_WARN, "%s(): OCR is NOT " 6632 "supported by Firmware, KILL adapter!!!", 6633 __func__); 6634 6635 if (instance->tbolt) 6636 mrsas_tbolt_kill_adapter(instance); 6637 else 6638 (void) mrsas_kill_adapter(instance); 6639 6640 return; 6641 } else { 6642 if (cmd->retry_count_for_ocr <= IO_RETRY_COUNT) { 6643 if (instance->adapterresetinprogress == 0) { 6644 if (instance->tbolt) { 6645 (void) mrsas_tbolt_reset_ppc( 6646 instance); 6647 } else { 6648 (void) mrsas_reset_ppc( 6649 instance); 6650 } 6651 } 6652 } else { 6653 dev_err(instance->dip, CE_WARN, 6654 "io_timeout_checker: " 6655 "cmd %p cmd->index %d " 6656 "timed out even after 3 resets: " 6657 "so KILL adapter", (void *)cmd, cmd->index); 6658 6659 mrsas_print_cmd_details(instance, cmd, 0xDD); 6660 6661 if (instance->tbolt) 6662 mrsas_tbolt_kill_adapter(instance); 6663 else 6664 (void) mrsas_kill_adapter(instance); 6665 return; 6666 } 6667 } 6668 } 6669 con_log(CL_ANN, (CE_NOTE, "mrsas: " 6670 "schedule next timeout check: " 6671 "do timeout \n")); 6672 instance->timeout_id = 6673 timeout(io_timeout_checker, (void *)instance, 6674 drv_usectohz(MRSAS_1_SECOND)); 6675 } 6676 6677 static uint32_t 6678 read_fw_status_reg_ppc(struct mrsas_instance *instance) 6679 { 6680 return ((uint32_t)RD_OB_SCRATCH_PAD_0(instance)); 6681 } 6682 6683 static void 6684 issue_cmd_ppc(struct mrsas_cmd *cmd, struct mrsas_instance *instance) 6685 { 6686 struct scsi_pkt *pkt; 6687 atomic_inc_16(&instance->fw_outstanding); 6688 6689 pkt = cmd->pkt; 6690 if (pkt) { 6691 con_log(CL_DLEVEL1, (CE_NOTE, "%llx : issue_cmd_ppc:" 6692 "ISSUED CMD TO FW : called : cmd:" 6693 ": %p instance : %p pkt : %p pkt_time : %x\n", 6694 gethrtime(), (void *)cmd, (void *)instance, 6695 (void *)pkt, cmd->drv_pkt_time)); 6696 if (instance->adapterresetinprogress) { 6697 cmd->drv_pkt_time = (uint16_t)debug_timeout_g; 6698 con_log(CL_ANN1, (CE_NOTE, "Reset the scsi_pkt timer")); 6699 } else { 6700 push_pending_mfi_pkt(instance, cmd); 6701 } 6702 6703 } else { 6704 con_log(CL_DLEVEL1, (CE_NOTE, "%llx : issue_cmd_ppc:" 6705 "ISSUED CMD TO FW : called : cmd : %p, instance: %p" 6706 "(NO PKT)\n", gethrtime(), (void *)cmd, (void *)instance)); 6707 } 6708 6709 mutex_enter(&instance->reg_write_mtx); 6710 /* Issue the command to the FW */ 6711 WR_IB_PICK_QPORT((cmd->frame_phys_addr) | 6712 (((cmd->frame_count - 1) << 1) | 1), instance); 6713 mutex_exit(&instance->reg_write_mtx); 6714 6715 } 6716 6717 /* 6718 * issue_cmd_in_sync_mode 6719 */ 6720 static int 6721 issue_cmd_in_sync_mode_ppc(struct mrsas_instance *instance, 6722 struct mrsas_cmd *cmd) 6723 { 6724 int i; 6725 uint32_t msecs = MFI_POLL_TIMEOUT_SECS * MILLISEC; 6726 struct mrsas_header *hdr = &cmd->frame->hdr; 6727 6728 con_log(CL_ANN1, (CE_NOTE, "issue_cmd_in_sync_mode_ppc: called")); 6729 6730 if (instance->adapterresetinprogress) { 6731 cmd->drv_pkt_time = ddi_get16( 6732 cmd->frame_dma_obj.acc_handle, &hdr->timeout); 6733 if (cmd->drv_pkt_time < debug_timeout_g) 6734 cmd->drv_pkt_time = (uint16_t)debug_timeout_g; 6735 6736 con_log(CL_ANN1, (CE_NOTE, "sync_mode_ppc: " 6737 "issue and return in reset case\n")); 6738 WR_IB_PICK_QPORT((cmd->frame_phys_addr) | 6739 (((cmd->frame_count - 1) << 1) | 1), instance); 6740 6741 return (DDI_SUCCESS); 6742 } else { 6743 con_log(CL_ANN1, (CE_NOTE, "sync_mode_ppc: pushing the pkt\n")); 6744 push_pending_mfi_pkt(instance, cmd); 6745 } 6746 6747 cmd->cmd_status = ENODATA; 6748 6749 mutex_enter(&instance->reg_write_mtx); 6750 /* Issue the command to the FW */ 6751 WR_IB_PICK_QPORT((cmd->frame_phys_addr) | 6752 (((cmd->frame_count - 1) << 1) | 1), instance); 6753 mutex_exit(&instance->reg_write_mtx); 6754 6755 mutex_enter(&instance->int_cmd_mtx); 6756 for (i = 0; i < msecs && (cmd->cmd_status == ENODATA); i++) { 6757 cv_wait(&instance->int_cmd_cv, &instance->int_cmd_mtx); 6758 } 6759 mutex_exit(&instance->int_cmd_mtx); 6760 6761 con_log(CL_ANN1, (CE_NOTE, "issue_cmd_in_sync_mode_ppc: done")); 6762 6763 if (i < (msecs -1)) { 6764 return (DDI_SUCCESS); 6765 } else { 6766 return (DDI_FAILURE); 6767 } 6768 } 6769 6770 /* 6771 * issue_cmd_in_poll_mode 6772 */ 6773 static int 6774 issue_cmd_in_poll_mode_ppc(struct mrsas_instance *instance, 6775 struct mrsas_cmd *cmd) 6776 { 6777 int i; 6778 uint16_t flags; 6779 uint32_t msecs = MFI_POLL_TIMEOUT_SECS * MILLISEC; 6780 struct mrsas_header *frame_hdr; 6781 6782 con_log(CL_ANN1, (CE_NOTE, "issue_cmd_in_poll_mode_ppc: called")); 6783 6784 frame_hdr = (struct mrsas_header *)cmd->frame; 6785 ddi_put8(cmd->frame_dma_obj.acc_handle, &frame_hdr->cmd_status, 6786 MFI_CMD_STATUS_POLL_MODE); 6787 flags = ddi_get16(cmd->frame_dma_obj.acc_handle, &frame_hdr->flags); 6788 flags |= MFI_FRAME_DONT_POST_IN_REPLY_QUEUE; 6789 6790 ddi_put16(cmd->frame_dma_obj.acc_handle, &frame_hdr->flags, flags); 6791 6792 /* issue the frame using inbound queue port */ 6793 WR_IB_PICK_QPORT((cmd->frame_phys_addr) | 6794 (((cmd->frame_count - 1) << 1) | 1), instance); 6795 6796 /* wait for cmd_status to change from 0xFF */ 6797 for (i = 0; i < msecs && ( 6798 ddi_get8(cmd->frame_dma_obj.acc_handle, &frame_hdr->cmd_status) 6799 == MFI_CMD_STATUS_POLL_MODE); i++) { 6800 drv_usecwait(MILLISEC); /* wait for 1000 usecs */ 6801 } 6802 6803 if (ddi_get8(cmd->frame_dma_obj.acc_handle, &frame_hdr->cmd_status) 6804 == MFI_CMD_STATUS_POLL_MODE) { 6805 con_log(CL_ANN, (CE_NOTE, "issue_cmd_in_poll_mode: " 6806 "cmd polling timed out")); 6807 return (DDI_FAILURE); 6808 } 6809 6810 return (DDI_SUCCESS); 6811 } 6812 6813 static void 6814 enable_intr_ppc(struct mrsas_instance *instance) 6815 { 6816 uint32_t mask; 6817 6818 con_log(CL_ANN1, (CE_NOTE, "enable_intr_ppc: called")); 6819 6820 if (instance->skinny) { 6821 /* For SKINNY, write ~0x1, from BSD's mfi driver. */ 6822 WR_OB_INTR_MASK(0xfffffffe, instance); 6823 } else { 6824 /* WR_OB_DOORBELL_CLEAR(0xFFFFFFFF, instance); */ 6825 WR_OB_DOORBELL_CLEAR(OB_DOORBELL_CLEAR_MASK, instance); 6826 6827 /* WR_OB_INTR_MASK(~0x80000000, instance); */ 6828 WR_OB_INTR_MASK(~(MFI_REPLY_2108_MESSAGE_INTR_MASK), instance); 6829 } 6830 6831 /* dummy read to force PCI flush */ 6832 mask = RD_OB_INTR_MASK(instance); 6833 6834 con_log(CL_ANN1, (CE_NOTE, "enable_intr_ppc: " 6835 "outbound_intr_mask = 0x%x", mask)); 6836 } 6837 6838 static void 6839 disable_intr_ppc(struct mrsas_instance *instance) 6840 { 6841 uint32_t mask; 6842 6843 con_log(CL_ANN1, (CE_NOTE, "disable_intr_ppc: called")); 6844 6845 con_log(CL_ANN1, (CE_NOTE, "disable_intr_ppc: before : " 6846 "outbound_intr_mask = 0x%x", RD_OB_INTR_MASK(instance))); 6847 6848 /* For now, assume there are no extras needed for Skinny support. */ 6849 6850 WR_OB_INTR_MASK(OB_INTR_MASK, instance); 6851 6852 con_log(CL_ANN1, (CE_NOTE, "disable_intr_ppc: after : " 6853 "outbound_intr_mask = 0x%x", RD_OB_INTR_MASK(instance))); 6854 6855 /* dummy read to force PCI flush */ 6856 mask = RD_OB_INTR_MASK(instance); 6857 #ifdef lint 6858 mask = mask; 6859 #endif 6860 } 6861 6862 static int 6863 intr_ack_ppc(struct mrsas_instance *instance) 6864 { 6865 uint32_t status; 6866 int ret = DDI_INTR_CLAIMED; 6867 6868 con_log(CL_ANN1, (CE_NOTE, "intr_ack_ppc: called")); 6869 6870 /* check if it is our interrupt */ 6871 status = RD_OB_INTR_STATUS(instance); 6872 6873 con_log(CL_ANN1, (CE_NOTE, "intr_ack_ppc: status = 0x%x", status)); 6874 6875 /* 6876 * NOTE: Some drivers call out SKINNY here, but the return is the same 6877 * for SKINNY and 2108. 6878 */ 6879 if (!(status & MFI_REPLY_2108_MESSAGE_INTR)) { 6880 ret = DDI_INTR_UNCLAIMED; 6881 } 6882 6883 if (mrsas_check_acc_handle(instance->regmap_handle) != DDI_SUCCESS) { 6884 ddi_fm_service_impact(instance->dip, DDI_SERVICE_LOST); 6885 ret = DDI_INTR_UNCLAIMED; 6886 } 6887 6888 if (ret == DDI_INTR_UNCLAIMED) { 6889 return (ret); 6890 } 6891 6892 /* 6893 * Clear the interrupt by writing back the same value. 6894 * Another case where SKINNY is slightly different. 6895 */ 6896 if (instance->skinny) { 6897 WR_OB_INTR_STATUS(status, instance); 6898 } else { 6899 WR_OB_DOORBELL_CLEAR(status, instance); 6900 } 6901 6902 /* dummy READ */ 6903 status = RD_OB_INTR_STATUS(instance); 6904 6905 con_log(CL_ANN1, (CE_NOTE, "intr_ack_ppc: interrupt cleared")); 6906 6907 return (ret); 6908 } 6909 6910 /* 6911 * Marks HBA as bad. This will be called either when an 6912 * IO packet times out even after 3 FW resets 6913 * or FW is found to be fault even after 3 continuous resets. 6914 */ 6915 6916 static int 6917 mrsas_kill_adapter(struct mrsas_instance *instance) 6918 { 6919 if (instance->deadadapter == 1) 6920 return (DDI_FAILURE); 6921 6922 con_log(CL_ANN1, (CE_NOTE, "mrsas_kill_adapter: " 6923 "Writing to doorbell with MFI_STOP_ADP ")); 6924 mutex_enter(&instance->ocr_flags_mtx); 6925 instance->deadadapter = 1; 6926 mutex_exit(&instance->ocr_flags_mtx); 6927 instance->func_ptr->disable_intr(instance); 6928 WR_IB_DOORBELL(MFI_STOP_ADP, instance); 6929 (void) mrsas_complete_pending_cmds(instance); 6930 return (DDI_SUCCESS); 6931 } 6932 6933 6934 static int 6935 mrsas_reset_ppc(struct mrsas_instance *instance) 6936 { 6937 uint32_t status; 6938 uint32_t retry = 0; 6939 uint32_t cur_abs_reg_val; 6940 uint32_t fw_state; 6941 6942 con_log(CL_ANN, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__)); 6943 6944 if (instance->deadadapter == 1) { 6945 dev_err(instance->dip, CE_WARN, "mrsas_reset_ppc: " 6946 "no more resets as HBA has been marked dead "); 6947 return (DDI_FAILURE); 6948 } 6949 mutex_enter(&instance->ocr_flags_mtx); 6950 instance->adapterresetinprogress = 1; 6951 mutex_exit(&instance->ocr_flags_mtx); 6952 con_log(CL_ANN1, (CE_NOTE, "mrsas_reset_ppc: adpterresetinprogress " 6953 "flag set, time %llx", gethrtime())); 6954 6955 instance->func_ptr->disable_intr(instance); 6956 retry_reset: 6957 WR_IB_WRITE_SEQ(0, instance); 6958 WR_IB_WRITE_SEQ(4, instance); 6959 WR_IB_WRITE_SEQ(0xb, instance); 6960 WR_IB_WRITE_SEQ(2, instance); 6961 WR_IB_WRITE_SEQ(7, instance); 6962 WR_IB_WRITE_SEQ(0xd, instance); 6963 con_log(CL_ANN1, (CE_NOTE, "mrsas_reset_ppc: magic number written " 6964 "to write sequence register\n")); 6965 delay(100 * drv_usectohz(MILLISEC)); 6966 status = RD_OB_DRWE(instance); 6967 6968 while (!(status & DIAG_WRITE_ENABLE)) { 6969 delay(100 * drv_usectohz(MILLISEC)); 6970 status = RD_OB_DRWE(instance); 6971 if (retry++ == 100) { 6972 dev_err(instance->dip, CE_WARN, 6973 "mrsas_reset_ppc: DRWE bit " 6974 "check retry count %d", retry); 6975 return (DDI_FAILURE); 6976 } 6977 } 6978 WR_IB_DRWE(status | DIAG_RESET_ADAPTER, instance); 6979 delay(100 * drv_usectohz(MILLISEC)); 6980 status = RD_OB_DRWE(instance); 6981 while (status & DIAG_RESET_ADAPTER) { 6982 delay(100 * drv_usectohz(MILLISEC)); 6983 status = RD_OB_DRWE(instance); 6984 if (retry++ == 100) { 6985 dev_err(instance->dip, CE_WARN, "mrsas_reset_ppc: " 6986 "RESET FAILED. KILL adapter called."); 6987 6988 (void) mrsas_kill_adapter(instance); 6989 return (DDI_FAILURE); 6990 } 6991 } 6992 con_log(CL_ANN, (CE_NOTE, "mrsas_reset_ppc: Adapter reset complete")); 6993 con_log(CL_ANN1, (CE_NOTE, "mrsas_reset_ppc: " 6994 "Calling mfi_state_transition_to_ready")); 6995 6996 /* Mark HBA as bad, if FW is fault after 3 continuous resets */ 6997 if (mfi_state_transition_to_ready(instance) || 6998 debug_fw_faults_after_ocr_g == 1) { 6999 cur_abs_reg_val = 7000 instance->func_ptr->read_fw_status_reg(instance); 7001 fw_state = cur_abs_reg_val & MFI_STATE_MASK; 7002 7003 #ifdef OCRDEBUG 7004 con_log(CL_ANN1, (CE_NOTE, 7005 "mrsas_reset_ppc :before fake: FW is not ready " 7006 "FW state = 0x%x", fw_state)); 7007 if (debug_fw_faults_after_ocr_g == 1) 7008 fw_state = MFI_STATE_FAULT; 7009 #endif 7010 7011 con_log(CL_ANN1, (CE_NOTE, "mrsas_reset_ppc : FW is not ready " 7012 "FW state = 0x%x", fw_state)); 7013 7014 if (fw_state == MFI_STATE_FAULT) { 7015 /* increment the count */ 7016 instance->fw_fault_count_after_ocr++; 7017 if (instance->fw_fault_count_after_ocr 7018 < MAX_FW_RESET_COUNT) { 7019 dev_err(instance->dip, CE_WARN, 7020 "mrsas_reset_ppc: " 7021 "FW is in fault after OCR count %d " 7022 "Retry Reset", 7023 instance->fw_fault_count_after_ocr); 7024 goto retry_reset; 7025 7026 } else { 7027 dev_err(instance->dip, CE_WARN, 7028 "mrsas_reset_ppc: " 7029 "Max Reset Count exceeded >%d" 7030 "Mark HBA as bad, KILL adapter", 7031 MAX_FW_RESET_COUNT); 7032 7033 (void) mrsas_kill_adapter(instance); 7034 return (DDI_FAILURE); 7035 } 7036 } 7037 } 7038 /* reset the counter as FW is up after OCR */ 7039 instance->fw_fault_count_after_ocr = 0; 7040 7041 7042 ddi_put32(instance->mfi_internal_dma_obj.acc_handle, 7043 instance->producer, 0); 7044 7045 ddi_put32(instance->mfi_internal_dma_obj.acc_handle, 7046 instance->consumer, 0); 7047 7048 con_log(CL_ANN1, (CE_NOTE, "mrsas_reset_ppc: " 7049 " after resetting produconsumer chck indexs:" 7050 "producer %x consumer %x", *instance->producer, 7051 *instance->consumer)); 7052 7053 con_log(CL_ANN1, (CE_NOTE, "mrsas_reset_ppc: " 7054 "Calling mrsas_issue_init_mfi")); 7055 (void) mrsas_issue_init_mfi(instance); 7056 con_log(CL_ANN1, (CE_NOTE, "mrsas_reset_ppc: " 7057 "mrsas_issue_init_mfi Done")); 7058 7059 con_log(CL_ANN1, (CE_NOTE, "mrsas_reset_ppc: " 7060 "Calling mrsas_print_pending_cmd\n")); 7061 (void) mrsas_print_pending_cmds(instance); 7062 con_log(CL_ANN1, (CE_NOTE, "mrsas_reset_ppc: " 7063 "mrsas_print_pending_cmd done\n")); 7064 7065 instance->func_ptr->enable_intr(instance); 7066 instance->fw_outstanding = 0; 7067 7068 con_log(CL_ANN1, (CE_NOTE, "mrsas_reset_ppc: " 7069 "Calling mrsas_issue_pending_cmds")); 7070 (void) mrsas_issue_pending_cmds(instance); 7071 con_log(CL_ANN1, (CE_NOTE, "mrsas_reset_ppc: " 7072 "issue_pending_cmds done.\n")); 7073 7074 con_log(CL_ANN1, (CE_NOTE, "mrsas_reset_ppc: " 7075 "Calling aen registration")); 7076 7077 7078 instance->aen_cmd->retry_count_for_ocr = 0; 7079 instance->aen_cmd->drv_pkt_time = 0; 7080 7081 instance->func_ptr->issue_cmd(instance->aen_cmd, instance); 7082 con_log(CL_ANN1, (CE_NOTE, "Unsetting adpresetinprogress flag.\n")); 7083 7084 mutex_enter(&instance->ocr_flags_mtx); 7085 instance->adapterresetinprogress = 0; 7086 mutex_exit(&instance->ocr_flags_mtx); 7087 con_log(CL_ANN1, (CE_NOTE, "mrsas_reset_ppc: " 7088 "adpterresetinprogress flag unset")); 7089 7090 con_log(CL_ANN1, (CE_NOTE, "mrsas_reset_ppc done\n")); 7091 return (DDI_SUCCESS); 7092 } 7093 7094 /* 7095 * FMA functions. 7096 */ 7097 int 7098 mrsas_common_check(struct mrsas_instance *instance, struct mrsas_cmd *cmd) 7099 { 7100 int ret = DDI_SUCCESS; 7101 7102 if (cmd != NULL && 7103 mrsas_check_dma_handle(cmd->frame_dma_obj.dma_handle) != 7104 DDI_SUCCESS) { 7105 ddi_fm_service_impact(instance->dip, DDI_SERVICE_UNAFFECTED); 7106 if (cmd->pkt != NULL) { 7107 cmd->pkt->pkt_reason = CMD_TRAN_ERR; 7108 cmd->pkt->pkt_statistics = 0; 7109 } 7110 ret = DDI_FAILURE; 7111 } 7112 if (mrsas_check_dma_handle(instance->mfi_internal_dma_obj.dma_handle) 7113 != DDI_SUCCESS) { 7114 ddi_fm_service_impact(instance->dip, DDI_SERVICE_UNAFFECTED); 7115 if (cmd != NULL && cmd->pkt != NULL) { 7116 cmd->pkt->pkt_reason = CMD_TRAN_ERR; 7117 cmd->pkt->pkt_statistics = 0; 7118 } 7119 ret = DDI_FAILURE; 7120 } 7121 if (mrsas_check_dma_handle(instance->mfi_evt_detail_obj.dma_handle) != 7122 DDI_SUCCESS) { 7123 ddi_fm_service_impact(instance->dip, DDI_SERVICE_UNAFFECTED); 7124 if (cmd != NULL && cmd->pkt != NULL) { 7125 cmd->pkt->pkt_reason = CMD_TRAN_ERR; 7126 cmd->pkt->pkt_statistics = 0; 7127 } 7128 ret = DDI_FAILURE; 7129 } 7130 if (mrsas_check_acc_handle(instance->regmap_handle) != DDI_SUCCESS) { 7131 ddi_fm_service_impact(instance->dip, DDI_SERVICE_UNAFFECTED); 7132 7133 ddi_fm_acc_err_clear(instance->regmap_handle, DDI_FME_VER0); 7134 7135 if (cmd != NULL && cmd->pkt != NULL) { 7136 cmd->pkt->pkt_reason = CMD_TRAN_ERR; 7137 cmd->pkt->pkt_statistics = 0; 7138 } 7139 ret = DDI_FAILURE; 7140 } 7141 7142 return (ret); 7143 } 7144 7145 /*ARGSUSED*/ 7146 static int 7147 mrsas_fm_error_cb(dev_info_t *dip, ddi_fm_error_t *err, const void *impl_data) 7148 { 7149 /* 7150 * as the driver can always deal with an error in any dma or 7151 * access handle, we can just return the fme_status value. 7152 */ 7153 pci_ereport_post(dip, err, NULL); 7154 return (err->fme_status); 7155 } 7156 7157 static void 7158 mrsas_fm_init(struct mrsas_instance *instance) 7159 { 7160 /* Need to change iblock to priority for new MSI intr */ 7161 ddi_iblock_cookie_t fm_ibc; 7162 7163 /* Only register with IO Fault Services if we have some capability */ 7164 if (instance->fm_capabilities) { 7165 /* Adjust access and dma attributes for FMA */ 7166 endian_attr.devacc_attr_access = DDI_FLAGERR_ACC; 7167 mrsas_generic_dma_attr.dma_attr_flags = DDI_DMA_FLAGERR; 7168 7169 /* 7170 * Register capabilities with IO Fault Services. 7171 * fm_capabilities will be updated to indicate 7172 * capabilities actually supported (not requested.) 7173 */ 7174 7175 ddi_fm_init(instance->dip, &instance->fm_capabilities, &fm_ibc); 7176 7177 /* 7178 * Initialize pci ereport capabilities if ereport 7179 * capable (should always be.) 7180 */ 7181 7182 if (DDI_FM_EREPORT_CAP(instance->fm_capabilities) || 7183 DDI_FM_ERRCB_CAP(instance->fm_capabilities)) { 7184 pci_ereport_setup(instance->dip); 7185 } 7186 7187 /* 7188 * Register error callback if error callback capable. 7189 */ 7190 if (DDI_FM_ERRCB_CAP(instance->fm_capabilities)) { 7191 ddi_fm_handler_register(instance->dip, 7192 mrsas_fm_error_cb, (void*) instance); 7193 } 7194 } else { 7195 endian_attr.devacc_attr_access = DDI_DEFAULT_ACC; 7196 mrsas_generic_dma_attr.dma_attr_flags = 0; 7197 } 7198 } 7199 7200 static void 7201 mrsas_fm_fini(struct mrsas_instance *instance) 7202 { 7203 /* Only unregister FMA capabilities if registered */ 7204 if (instance->fm_capabilities) { 7205 /* 7206 * Un-register error callback if error callback capable. 7207 */ 7208 if (DDI_FM_ERRCB_CAP(instance->fm_capabilities)) { 7209 ddi_fm_handler_unregister(instance->dip); 7210 } 7211 7212 /* 7213 * Release any resources allocated by pci_ereport_setup() 7214 */ 7215 if (DDI_FM_EREPORT_CAP(instance->fm_capabilities) || 7216 DDI_FM_ERRCB_CAP(instance->fm_capabilities)) { 7217 pci_ereport_teardown(instance->dip); 7218 } 7219 7220 /* Unregister from IO Fault Services */ 7221 ddi_fm_fini(instance->dip); 7222 7223 /* Adjust access and dma attributes for FMA */ 7224 endian_attr.devacc_attr_access = DDI_DEFAULT_ACC; 7225 mrsas_generic_dma_attr.dma_attr_flags = 0; 7226 } 7227 } 7228 7229 int 7230 mrsas_check_acc_handle(ddi_acc_handle_t handle) 7231 { 7232 ddi_fm_error_t de; 7233 7234 if (handle == NULL) { 7235 return (DDI_FAILURE); 7236 } 7237 7238 ddi_fm_acc_err_get(handle, &de, DDI_FME_VERSION); 7239 7240 return (de.fme_status); 7241 } 7242 7243 int 7244 mrsas_check_dma_handle(ddi_dma_handle_t handle) 7245 { 7246 ddi_fm_error_t de; 7247 7248 if (handle == NULL) { 7249 return (DDI_FAILURE); 7250 } 7251 7252 ddi_fm_dma_err_get(handle, &de, DDI_FME_VERSION); 7253 7254 return (de.fme_status); 7255 } 7256 7257 void 7258 mrsas_fm_ereport(struct mrsas_instance *instance, char *detail) 7259 { 7260 uint64_t ena; 7261 char buf[FM_MAX_CLASS]; 7262 7263 (void) snprintf(buf, FM_MAX_CLASS, "%s.%s", DDI_FM_DEVICE, detail); 7264 ena = fm_ena_generate(0, FM_ENA_FMT1); 7265 if (DDI_FM_EREPORT_CAP(instance->fm_capabilities)) { 7266 ddi_fm_ereport_post(instance->dip, buf, ena, DDI_NOSLEEP, 7267 FM_VERSION, DATA_TYPE_UINT8, FM_EREPORT_VERSION, NULL); 7268 } 7269 } 7270 7271 static int 7272 mrsas_add_intrs(struct mrsas_instance *instance, int intr_type) 7273 { 7274 7275 dev_info_t *dip = instance->dip; 7276 int avail, actual, count; 7277 int i, flag, ret; 7278 7279 con_log(CL_DLEVEL1, (CE_NOTE, "mrsas_add_intrs: intr_type = %x", 7280 intr_type)); 7281 7282 /* Get number of interrupts */ 7283 ret = ddi_intr_get_nintrs(dip, intr_type, &count); 7284 if ((ret != DDI_SUCCESS) || (count == 0)) { 7285 con_log(CL_ANN, (CE_WARN, "ddi_intr_get_nintrs() failed:" 7286 "ret %d count %d", ret, count)); 7287 7288 return (DDI_FAILURE); 7289 } 7290 7291 con_log(CL_DLEVEL1, (CE_NOTE, "mrsas_add_intrs: count = %d ", count)); 7292 7293 /* Get number of available interrupts */ 7294 ret = ddi_intr_get_navail(dip, intr_type, &avail); 7295 if ((ret != DDI_SUCCESS) || (avail == 0)) { 7296 con_log(CL_ANN, (CE_WARN, "ddi_intr_get_navail() failed:" 7297 "ret %d avail %d", ret, avail)); 7298 7299 return (DDI_FAILURE); 7300 } 7301 con_log(CL_DLEVEL1, (CE_NOTE, "mrsas_add_intrs: avail = %d ", avail)); 7302 7303 /* Only one interrupt routine. So limit the count to 1 */ 7304 if (count > 1) { 7305 count = 1; 7306 } 7307 7308 /* 7309 * Allocate an array of interrupt handlers. Currently we support 7310 * only one interrupt. The framework can be extended later. 7311 */ 7312 instance->intr_htable_size = count * sizeof (ddi_intr_handle_t); 7313 instance->intr_htable = kmem_zalloc(instance->intr_htable_size, 7314 KM_SLEEP); 7315 ASSERT(instance->intr_htable); 7316 7317 flag = ((intr_type == DDI_INTR_TYPE_MSI) || 7318 (intr_type == DDI_INTR_TYPE_MSIX)) ? 7319 DDI_INTR_ALLOC_STRICT : DDI_INTR_ALLOC_NORMAL; 7320 7321 /* Allocate interrupt */ 7322 ret = ddi_intr_alloc(dip, instance->intr_htable, intr_type, 0, 7323 count, &actual, flag); 7324 7325 if ((ret != DDI_SUCCESS) || (actual == 0)) { 7326 con_log(CL_ANN, (CE_WARN, "mrsas_add_intrs: " 7327 "avail = %d", avail)); 7328 goto mrsas_free_htable; 7329 } 7330 7331 if (actual < count) { 7332 con_log(CL_ANN, (CE_WARN, "mrsas_add_intrs: " 7333 "Requested = %d Received = %d", count, actual)); 7334 } 7335 instance->intr_cnt = actual; 7336 7337 /* 7338 * Get the priority of the interrupt allocated. 7339 */ 7340 if ((ret = ddi_intr_get_pri(instance->intr_htable[0], 7341 &instance->intr_pri)) != DDI_SUCCESS) { 7342 con_log(CL_ANN, (CE_WARN, "mrsas_add_intrs: " 7343 "get priority call failed")); 7344 goto mrsas_free_handles; 7345 } 7346 7347 /* 7348 * Test for high level mutex. we don't support them. 7349 */ 7350 if (instance->intr_pri >= ddi_intr_get_hilevel_pri()) { 7351 con_log(CL_ANN, (CE_WARN, "mrsas_add_intrs: " 7352 "High level interrupts not supported.")); 7353 goto mrsas_free_handles; 7354 } 7355 7356 con_log(CL_DLEVEL1, (CE_NOTE, "mrsas_add_intrs: intr_pri = 0x%x ", 7357 instance->intr_pri)); 7358 7359 /* Call ddi_intr_add_handler() */ 7360 for (i = 0; i < actual; i++) { 7361 ret = ddi_intr_add_handler(instance->intr_htable[i], 7362 (ddi_intr_handler_t *)mrsas_isr, (caddr_t)instance, 7363 (caddr_t)(uintptr_t)i); 7364 7365 if (ret != DDI_SUCCESS) { 7366 con_log(CL_ANN, (CE_WARN, "mrsas_add_intrs:" 7367 "failed %d", ret)); 7368 goto mrsas_free_handles; 7369 } 7370 7371 } 7372 7373 con_log(CL_DLEVEL1, (CE_NOTE, " ddi_intr_add_handler done")); 7374 7375 if ((ret = ddi_intr_get_cap(instance->intr_htable[0], 7376 &instance->intr_cap)) != DDI_SUCCESS) { 7377 con_log(CL_ANN, (CE_WARN, "ddi_intr_get_cap() failed %d", 7378 ret)); 7379 goto mrsas_free_handlers; 7380 } 7381 7382 if (instance->intr_cap & DDI_INTR_FLAG_BLOCK) { 7383 con_log(CL_ANN, (CE_WARN, "Calling ddi_intr_block _enable")); 7384 7385 (void) ddi_intr_block_enable(instance->intr_htable, 7386 instance->intr_cnt); 7387 } else { 7388 con_log(CL_ANN, (CE_NOTE, " calling ddi_intr_enable")); 7389 7390 for (i = 0; i < instance->intr_cnt; i++) { 7391 (void) ddi_intr_enable(instance->intr_htable[i]); 7392 con_log(CL_ANN, (CE_NOTE, "ddi intr enable returns " 7393 "%d", i)); 7394 } 7395 } 7396 7397 return (DDI_SUCCESS); 7398 7399 mrsas_free_handlers: 7400 for (i = 0; i < actual; i++) 7401 (void) ddi_intr_remove_handler(instance->intr_htable[i]); 7402 7403 mrsas_free_handles: 7404 for (i = 0; i < actual; i++) 7405 (void) ddi_intr_free(instance->intr_htable[i]); 7406 7407 mrsas_free_htable: 7408 if (instance->intr_htable != NULL) 7409 kmem_free(instance->intr_htable, instance->intr_htable_size); 7410 7411 instance->intr_htable = NULL; 7412 instance->intr_htable_size = 0; 7413 7414 return (DDI_FAILURE); 7415 7416 } 7417 7418 7419 static void 7420 mrsas_rem_intrs(struct mrsas_instance *instance) 7421 { 7422 int i; 7423 7424 con_log(CL_ANN, (CE_NOTE, "mrsas_rem_intrs called")); 7425 7426 /* Disable all interrupts first */ 7427 if (instance->intr_cap & DDI_INTR_FLAG_BLOCK) { 7428 (void) ddi_intr_block_disable(instance->intr_htable, 7429 instance->intr_cnt); 7430 } else { 7431 for (i = 0; i < instance->intr_cnt; i++) { 7432 (void) ddi_intr_disable(instance->intr_htable[i]); 7433 } 7434 } 7435 7436 /* Remove all the handlers */ 7437 7438 for (i = 0; i < instance->intr_cnt; i++) { 7439 (void) ddi_intr_remove_handler(instance->intr_htable[i]); 7440 (void) ddi_intr_free(instance->intr_htable[i]); 7441 } 7442 7443 if (instance->intr_htable != NULL) 7444 kmem_free(instance->intr_htable, instance->intr_htable_size); 7445 7446 instance->intr_htable = NULL; 7447 instance->intr_htable_size = 0; 7448 7449 } 7450 7451 static int 7452 mrsas_tran_bus_config(dev_info_t *parent, uint_t flags, 7453 ddi_bus_config_op_t op, void *arg, dev_info_t **childp) 7454 { 7455 struct mrsas_instance *instance; 7456 int config; 7457 int rval = NDI_SUCCESS; 7458 7459 char *ptr = NULL; 7460 int tgt, lun; 7461 7462 con_log(CL_ANN1, (CE_NOTE, "Bus config called for op = %x", op)); 7463 7464 if ((instance = ddi_get_soft_state(mrsas_state, 7465 ddi_get_instance(parent))) == NULL) { 7466 return (NDI_FAILURE); 7467 } 7468 7469 /* Hold nexus during bus_config */ 7470 ndi_devi_enter(parent, &config); 7471 switch (op) { 7472 case BUS_CONFIG_ONE: { 7473 7474 /* parse wwid/target name out of name given */ 7475 if ((ptr = strchr((char *)arg, '@')) == NULL) { 7476 rval = NDI_FAILURE; 7477 break; 7478 } 7479 ptr++; 7480 7481 if (mrsas_parse_devname(arg, &tgt, &lun) != 0) { 7482 rval = NDI_FAILURE; 7483 break; 7484 } 7485 7486 if (lun == 0) { 7487 rval = mrsas_config_ld(instance, tgt, lun, childp); 7488 } else if ((instance->tbolt || instance->skinny) && lun != 0) { 7489 rval = mrsas_tbolt_config_pd(instance, 7490 tgt, lun, childp); 7491 } else { 7492 rval = NDI_FAILURE; 7493 } 7494 7495 break; 7496 } 7497 case BUS_CONFIG_DRIVER: 7498 case BUS_CONFIG_ALL: { 7499 7500 rval = mrsas_config_all_devices(instance); 7501 7502 rval = NDI_SUCCESS; 7503 break; 7504 } 7505 } 7506 7507 if (rval == NDI_SUCCESS) { 7508 rval = ndi_busop_bus_config(parent, flags, op, arg, childp, 0); 7509 7510 } 7511 ndi_devi_exit(parent, config); 7512 7513 con_log(CL_ANN1, (CE_NOTE, "mrsas_tran_bus_config: rval = %x", 7514 rval)); 7515 return (rval); 7516 } 7517 7518 static int 7519 mrsas_config_all_devices(struct mrsas_instance *instance) 7520 { 7521 int rval, tgt; 7522 7523 for (tgt = 0; tgt < MRDRV_MAX_LD; tgt++) { 7524 (void) mrsas_config_ld(instance, tgt, 0, NULL); 7525 7526 } 7527 7528 /* Config PD devices connected to the card */ 7529 if (instance->tbolt || instance->skinny) { 7530 for (tgt = 0; tgt < instance->mr_tbolt_pd_max; tgt++) { 7531 (void) mrsas_tbolt_config_pd(instance, tgt, 1, NULL); 7532 } 7533 } 7534 7535 rval = NDI_SUCCESS; 7536 return (rval); 7537 } 7538 7539 static int 7540 mrsas_parse_devname(char *devnm, int *tgt, int *lun) 7541 { 7542 char devbuf[SCSI_MAXNAMELEN]; 7543 char *addr; 7544 char *p, *tp, *lp; 7545 long num; 7546 7547 /* Parse dev name and address */ 7548 (void) strcpy(devbuf, devnm); 7549 addr = ""; 7550 for (p = devbuf; *p != '\0'; p++) { 7551 if (*p == '@') { 7552 addr = p + 1; 7553 *p = '\0'; 7554 } else if (*p == ':') { 7555 *p = '\0'; 7556 break; 7557 } 7558 } 7559 7560 /* Parse target and lun */ 7561 for (p = tp = addr, lp = NULL; *p != '\0'; p++) { 7562 if (*p == ',') { 7563 lp = p + 1; 7564 *p = '\0'; 7565 break; 7566 } 7567 } 7568 if (tgt && tp) { 7569 if (ddi_strtol(tp, NULL, 0x10, &num)) { 7570 return (DDI_FAILURE); /* Can declare this as constant */ 7571 } 7572 *tgt = (int)num; 7573 } 7574 if (lun && lp) { 7575 if (ddi_strtol(lp, NULL, 0x10, &num)) { 7576 return (DDI_FAILURE); 7577 } 7578 *lun = (int)num; 7579 } 7580 return (DDI_SUCCESS); /* Success case */ 7581 } 7582 7583 static int 7584 mrsas_config_ld(struct mrsas_instance *instance, uint16_t tgt, 7585 uint8_t lun, dev_info_t **ldip) 7586 { 7587 struct scsi_device *sd; 7588 dev_info_t *child; 7589 int rval; 7590 7591 con_log(CL_DLEVEL1, (CE_NOTE, "mrsas_config_ld: t = %d l = %d", 7592 tgt, lun)); 7593 7594 if ((child = mrsas_find_child(instance, tgt, lun)) != NULL) { 7595 if (ldip) { 7596 *ldip = child; 7597 } 7598 if (instance->mr_ld_list[tgt].flag != MRDRV_TGT_VALID) { 7599 rval = mrsas_service_evt(instance, tgt, 0, 7600 MRSAS_EVT_UNCONFIG_TGT, NULL); 7601 con_log(CL_ANN1, (CE_WARN, 7602 "mr_sas: DELETING STALE ENTRY rval = %d " 7603 "tgt id = %d ", rval, tgt)); 7604 return (NDI_FAILURE); 7605 } 7606 return (NDI_SUCCESS); 7607 } 7608 7609 sd = kmem_zalloc(sizeof (struct scsi_device), KM_SLEEP); 7610 sd->sd_address.a_hba_tran = instance->tran; 7611 sd->sd_address.a_target = (uint16_t)tgt; 7612 sd->sd_address.a_lun = (uint8_t)lun; 7613 7614 if (scsi_hba_probe(sd, NULL) == SCSIPROBE_EXISTS) 7615 rval = mrsas_config_scsi_device(instance, sd, ldip); 7616 else 7617 rval = NDI_FAILURE; 7618 7619 /* sd_unprobe is blank now. Free buffer manually */ 7620 if (sd->sd_inq) { 7621 kmem_free(sd->sd_inq, SUN_INQSIZE); 7622 sd->sd_inq = (struct scsi_inquiry *)NULL; 7623 } 7624 7625 kmem_free(sd, sizeof (struct scsi_device)); 7626 con_log(CL_DLEVEL1, (CE_NOTE, "mrsas_config_ld: return rval = %d", 7627 rval)); 7628 return (rval); 7629 } 7630 7631 int 7632 mrsas_config_scsi_device(struct mrsas_instance *instance, 7633 struct scsi_device *sd, dev_info_t **dipp) 7634 { 7635 char *nodename = NULL; 7636 char **compatible = NULL; 7637 int ncompatible = 0; 7638 char *childname; 7639 dev_info_t *ldip = NULL; 7640 int tgt = sd->sd_address.a_target; 7641 int lun = sd->sd_address.a_lun; 7642 int dtype = sd->sd_inq->inq_dtype & DTYPE_MASK; 7643 int rval; 7644 7645 con_log(CL_DLEVEL1, (CE_NOTE, "mr_sas: scsi_device t%dL%d", tgt, lun)); 7646 scsi_hba_nodename_compatible_get(sd->sd_inq, NULL, dtype, 7647 NULL, &nodename, &compatible, &ncompatible); 7648 7649 if (nodename == NULL) { 7650 con_log(CL_ANN1, (CE_WARN, "mr_sas: Found no compatible driver " 7651 "for t%dL%d", tgt, lun)); 7652 rval = NDI_FAILURE; 7653 goto finish; 7654 } 7655 7656 childname = (dtype == DTYPE_DIRECT) ? "sd" : nodename; 7657 con_log(CL_DLEVEL1, (CE_NOTE, 7658 "mr_sas: Childname = %2s nodename = %s", childname, nodename)); 7659 7660 /* Create a dev node */ 7661 rval = ndi_devi_alloc(instance->dip, childname, DEVI_SID_NODEID, &ldip); 7662 con_log(CL_DLEVEL1, (CE_NOTE, 7663 "mr_sas_config_scsi_device: ndi_devi_alloc rval = %x", rval)); 7664 if (rval == NDI_SUCCESS) { 7665 if (ndi_prop_update_int(DDI_DEV_T_NONE, ldip, "target", tgt) != 7666 DDI_PROP_SUCCESS) { 7667 con_log(CL_ANN1, (CE_WARN, "mr_sas: unable to create " 7668 "property for t%dl%d target", tgt, lun)); 7669 rval = NDI_FAILURE; 7670 goto finish; 7671 } 7672 if (ndi_prop_update_int(DDI_DEV_T_NONE, ldip, "lun", lun) != 7673 DDI_PROP_SUCCESS) { 7674 con_log(CL_ANN1, (CE_WARN, "mr_sas: unable to create " 7675 "property for t%dl%d lun", tgt, lun)); 7676 rval = NDI_FAILURE; 7677 goto finish; 7678 } 7679 7680 if (ndi_prop_update_string_array(DDI_DEV_T_NONE, ldip, 7681 "compatible", compatible, ncompatible) != 7682 DDI_PROP_SUCCESS) { 7683 con_log(CL_ANN1, (CE_WARN, "mr_sas: unable to create " 7684 "property for t%dl%d compatible", tgt, lun)); 7685 rval = NDI_FAILURE; 7686 goto finish; 7687 } 7688 7689 rval = ndi_devi_online(ldip, NDI_ONLINE_ATTACH); 7690 if (rval != NDI_SUCCESS) { 7691 con_log(CL_ANN1, (CE_WARN, "mr_sas: unable to online " 7692 "t%dl%d", tgt, lun)); 7693 ndi_prop_remove_all(ldip); 7694 (void) ndi_devi_free(ldip); 7695 } else { 7696 con_log(CL_ANN1, (CE_CONT, "mr_sas: online Done :" 7697 "0 t%dl%d", tgt, lun)); 7698 } 7699 7700 } 7701 finish: 7702 if (dipp) { 7703 *dipp = ldip; 7704 } 7705 7706 con_log(CL_DLEVEL1, (CE_NOTE, 7707 "mr_sas: config_scsi_device rval = %d t%dL%d", 7708 rval, tgt, lun)); 7709 scsi_hba_nodename_compatible_free(nodename, compatible); 7710 return (rval); 7711 } 7712 7713 /*ARGSUSED*/ 7714 int 7715 mrsas_service_evt(struct mrsas_instance *instance, int tgt, int lun, int event, 7716 uint64_t wwn) 7717 { 7718 struct mrsas_eventinfo *mrevt = NULL; 7719 7720 con_log(CL_ANN1, (CE_NOTE, 7721 "mrsas_service_evt called for t%dl%d event = %d", 7722 tgt, lun, event)); 7723 7724 if ((instance->taskq == NULL) || (mrevt = 7725 kmem_zalloc(sizeof (struct mrsas_eventinfo), KM_NOSLEEP)) == NULL) { 7726 return (ENOMEM); 7727 } 7728 7729 mrevt->instance = instance; 7730 mrevt->tgt = tgt; 7731 mrevt->lun = lun; 7732 mrevt->event = event; 7733 mrevt->wwn = wwn; 7734 7735 if ((ddi_taskq_dispatch(instance->taskq, 7736 (void (*)(void *))mrsas_issue_evt_taskq, mrevt, DDI_NOSLEEP)) != 7737 DDI_SUCCESS) { 7738 con_log(CL_ANN1, (CE_NOTE, 7739 "mr_sas: Event task failed for t%dl%d event = %d", 7740 tgt, lun, event)); 7741 kmem_free(mrevt, sizeof (struct mrsas_eventinfo)); 7742 return (DDI_FAILURE); 7743 } 7744 DTRACE_PROBE3(service_evt, int, tgt, int, lun, int, event); 7745 return (DDI_SUCCESS); 7746 } 7747 7748 static void 7749 mrsas_issue_evt_taskq(struct mrsas_eventinfo *mrevt) 7750 { 7751 struct mrsas_instance *instance = mrevt->instance; 7752 dev_info_t *dip, *pdip; 7753 int circ1 = 0; 7754 char *devname; 7755 7756 con_log(CL_ANN1, (CE_NOTE, "mrsas_issue_evt_taskq: called for" 7757 " tgt %d lun %d event %d", 7758 mrevt->tgt, mrevt->lun, mrevt->event)); 7759 7760 if (mrevt->tgt < MRDRV_MAX_LD && mrevt->lun == 0) { 7761 mutex_enter(&instance->config_dev_mtx); 7762 dip = instance->mr_ld_list[mrevt->tgt].dip; 7763 mutex_exit(&instance->config_dev_mtx); 7764 } else { 7765 mutex_enter(&instance->config_dev_mtx); 7766 dip = instance->mr_tbolt_pd_list[mrevt->tgt].dip; 7767 mutex_exit(&instance->config_dev_mtx); 7768 } 7769 7770 7771 ndi_devi_enter(instance->dip, &circ1); 7772 switch (mrevt->event) { 7773 case MRSAS_EVT_CONFIG_TGT: 7774 if (dip == NULL) { 7775 7776 if (mrevt->lun == 0) { 7777 (void) mrsas_config_ld(instance, mrevt->tgt, 7778 0, NULL); 7779 } else if (instance->tbolt || instance->skinny) { 7780 (void) mrsas_tbolt_config_pd(instance, 7781 mrevt->tgt, 7782 1, NULL); 7783 } 7784 con_log(CL_ANN1, (CE_NOTE, 7785 "mr_sas: EVT_CONFIG_TGT called:" 7786 " for tgt %d lun %d event %d", 7787 mrevt->tgt, mrevt->lun, mrevt->event)); 7788 7789 } else { 7790 con_log(CL_ANN1, (CE_NOTE, 7791 "mr_sas: EVT_CONFIG_TGT dip != NULL:" 7792 " for tgt %d lun %d event %d", 7793 mrevt->tgt, mrevt->lun, mrevt->event)); 7794 } 7795 break; 7796 case MRSAS_EVT_UNCONFIG_TGT: 7797 if (dip) { 7798 if (i_ddi_devi_attached(dip)) { 7799 7800 pdip = ddi_get_parent(dip); 7801 7802 devname = kmem_zalloc(MAXNAMELEN + 1, KM_SLEEP); 7803 (void) ddi_deviname(dip, devname); 7804 7805 (void) devfs_clean(pdip, devname + 1, 7806 DV_CLEAN_FORCE); 7807 kmem_free(devname, MAXNAMELEN + 1); 7808 } 7809 (void) ndi_devi_offline(dip, NDI_DEVI_REMOVE); 7810 con_log(CL_ANN1, (CE_NOTE, 7811 "mr_sas: EVT_UNCONFIG_TGT called:" 7812 " for tgt %d lun %d event %d", 7813 mrevt->tgt, mrevt->lun, mrevt->event)); 7814 } else { 7815 con_log(CL_ANN1, (CE_NOTE, 7816 "mr_sas: EVT_UNCONFIG_TGT dip == NULL:" 7817 " for tgt %d lun %d event %d", 7818 mrevt->tgt, mrevt->lun, mrevt->event)); 7819 } 7820 break; 7821 } 7822 kmem_free(mrevt, sizeof (struct mrsas_eventinfo)); 7823 ndi_devi_exit(instance->dip, circ1); 7824 } 7825 7826 7827 int 7828 mrsas_mode_sense_build(struct scsi_pkt *pkt) 7829 { 7830 union scsi_cdb *cdbp; 7831 uint16_t page_code; 7832 struct scsa_cmd *acmd; 7833 struct buf *bp; 7834 struct mode_header *modehdrp; 7835 7836 cdbp = (void *)pkt->pkt_cdbp; 7837 page_code = cdbp->cdb_un.sg.scsi[0]; 7838 acmd = PKT2CMD(pkt); 7839 bp = acmd->cmd_buf; 7840 if ((!bp) && bp->b_un.b_addr && bp->b_bcount && acmd->cmd_dmacount) { 7841 con_log(CL_ANN1, (CE_WARN, "Failing MODESENSE Command")); 7842 /* ADD pkt statistics as Command failed. */ 7843 return (NULL); 7844 } 7845 7846 bp_mapin(bp); 7847 bzero(bp->b_un.b_addr, bp->b_bcount); 7848 7849 switch (page_code) { 7850 case 0x3: { 7851 struct mode_format *page3p = NULL; 7852 modehdrp = (struct mode_header *)(bp->b_un.b_addr); 7853 modehdrp->bdesc_length = MODE_BLK_DESC_LENGTH; 7854 7855 page3p = (void *)((caddr_t)modehdrp + 7856 MODE_HEADER_LENGTH + MODE_BLK_DESC_LENGTH); 7857 page3p->mode_page.code = 0x3; 7858 page3p->mode_page.length = 7859 (uchar_t)(sizeof (struct mode_format)); 7860 page3p->data_bytes_sect = 512; 7861 page3p->sect_track = 63; 7862 break; 7863 } 7864 case 0x4: { 7865 struct mode_geometry *page4p = NULL; 7866 modehdrp = (struct mode_header *)(bp->b_un.b_addr); 7867 modehdrp->bdesc_length = MODE_BLK_DESC_LENGTH; 7868 7869 page4p = (void *)((caddr_t)modehdrp + 7870 MODE_HEADER_LENGTH + MODE_BLK_DESC_LENGTH); 7871 page4p->mode_page.code = 0x4; 7872 page4p->mode_page.length = 7873 (uchar_t)(sizeof (struct mode_geometry)); 7874 page4p->heads = 255; 7875 page4p->rpm = 10000; 7876 break; 7877 } 7878 default: 7879 break; 7880 } 7881 return (NULL); 7882 } 7883