1 /* 2 * This file is part of the Chelsio FCoE driver for Linux. 3 * 4 * Copyright (c) 2008-2012 Chelsio Communications, Inc. All rights reserved. 5 * 6 * This software is available to you under a choice of one of two 7 * licenses. You may choose to be licensed under the terms of the GNU 8 * General Public License (GPL) Version 2, available from the file 9 * COPYING in the main directory of this source tree, or the 10 * OpenIB.org BSD license below: 11 * 12 * Redistribution and use in source and binary forms, with or 13 * without modification, are permitted provided that the following 14 * conditions are met: 15 * 16 * - Redistributions of source code must retain the above 17 * copyright notice, this list of conditions and the following 18 * disclaimer. 19 * 20 * - Redistributions in binary form must reproduce the above 21 * copyright notice, this list of conditions and the following 22 * disclaimer in the documentation and/or other materials 23 * provided with the distribution. 24 * 25 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 26 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 27 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 28 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 29 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 30 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 31 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 32 * SOFTWARE. 33 */ 34 35 #ifndef __CSIO_HW_H__ 36 #define __CSIO_HW_H__ 37 38 #include <linux/kernel.h> 39 #include <linux/pci.h> 40 #include <linux/device.h> 41 #include <linux/workqueue.h> 42 #include <linux/compiler.h> 43 #include <linux/cdev.h> 44 #include <linux/list.h> 45 #include <linux/mempool.h> 46 #include <linux/io.h> 47 #include <linux/spinlock_types.h> 48 #include <scsi/scsi_device.h> 49 #include <scsi/scsi_transport_fc.h> 50 51 #include "t4_hw.h" 52 #include "csio_hw_chip.h" 53 #include "csio_wr.h" 54 #include "csio_mb.h" 55 #include "csio_scsi.h" 56 #include "csio_defs.h" 57 #include "t4_regs.h" 58 #include "t4_msg.h" 59 60 /* 61 * An error value used by host. Should not clash with FW defined return values. 62 */ 63 #define FW_HOSTERROR 255 64 65 #define CSIO_HW_NAME "Chelsio FCoE Adapter" 66 #define CSIO_MAX_PFN 8 67 #define CSIO_MAX_PPORTS 4 68 69 #define CSIO_MAX_LUN 0xFFFF 70 #define CSIO_MAX_QUEUE 2048 71 #define CSIO_MAX_CMD_PER_LUN 32 72 #define CSIO_MAX_DDP_BUF_SIZE (1024 * 1024) 73 #define CSIO_MAX_SECTOR_SIZE 128 74 75 /* Interrupts */ 76 #define CSIO_EXTRA_MSI_IQS 2 /* Extra iqs for INTX/MSI mode 77 * (Forward intr iq + fw iq) */ 78 #define CSIO_EXTRA_VECS 2 /* non-data + FW evt */ 79 #define CSIO_MAX_SCSI_CPU 128 80 #define CSIO_MAX_SCSI_QSETS (CSIO_MAX_SCSI_CPU * CSIO_MAX_PPORTS) 81 #define CSIO_MAX_MSIX_VECS (CSIO_MAX_SCSI_QSETS + CSIO_EXTRA_VECS) 82 83 /* Queues */ 84 enum { 85 CSIO_INTR_WRSIZE = 128, 86 CSIO_INTR_IQSIZE = ((CSIO_MAX_MSIX_VECS + 1) * CSIO_INTR_WRSIZE), 87 CSIO_FWEVT_WRSIZE = 128, 88 CSIO_FWEVT_IQLEN = 128, 89 CSIO_FWEVT_FLBUFS = 64, 90 CSIO_FWEVT_IQSIZE = (CSIO_FWEVT_WRSIZE * CSIO_FWEVT_IQLEN), 91 CSIO_HW_NIQ = 1, 92 CSIO_HW_NFLQ = 1, 93 CSIO_HW_NEQ = 1, 94 CSIO_HW_NINTXQ = 1, 95 }; 96 97 struct csio_msix_entries { 98 unsigned short vector; /* Assigned MSI-X vector */ 99 void *dev_id; /* Priv object associated w/ this msix*/ 100 char desc[24]; /* Description of this vector */ 101 }; 102 103 struct csio_scsi_qset { 104 int iq_idx; /* Ingress index */ 105 int eq_idx; /* Egress index */ 106 uint32_t intr_idx; /* MSIX Vector index */ 107 }; 108 109 struct csio_scsi_cpu_info { 110 int16_t max_cpus; 111 }; 112 113 extern int csio_dbg_level; 114 extern unsigned int csio_port_mask; 115 extern int csio_msi; 116 117 #define CSIO_VENDOR_ID 0x1425 118 #define CSIO_ASIC_DEVID_PROTO_MASK 0xFF00 119 #define CSIO_ASIC_DEVID_TYPE_MASK 0x00FF 120 121 #define CSIO_GLBL_INTR_MASK (CIM_F | MPS_F | PL_F | PCIE_F | MC_F | \ 122 EDC0_F | EDC1_F | LE_F | TP_F | MA_F | \ 123 PM_TX_F | PM_RX_F | ULP_RX_F | \ 124 CPL_SWITCH_F | SGE_F | ULP_TX_F | SF_F) 125 126 /* 127 * Hard parameters used to initialize the card in the absence of a 128 * configuration file. 129 */ 130 enum { 131 /* General */ 132 CSIO_SGE_DBFIFO_INT_THRESH = 10, 133 134 CSIO_SGE_RX_DMA_OFFSET = 2, 135 136 CSIO_SGE_FLBUF_SIZE1 = 65536, 137 CSIO_SGE_FLBUF_SIZE2 = 1536, 138 CSIO_SGE_FLBUF_SIZE3 = 9024, 139 CSIO_SGE_FLBUF_SIZE4 = 9216, 140 CSIO_SGE_FLBUF_SIZE5 = 2048, 141 CSIO_SGE_FLBUF_SIZE6 = 128, 142 CSIO_SGE_FLBUF_SIZE7 = 8192, 143 CSIO_SGE_FLBUF_SIZE8 = 16384, 144 145 CSIO_SGE_TIMER_VAL_0 = 5, 146 CSIO_SGE_TIMER_VAL_1 = 10, 147 CSIO_SGE_TIMER_VAL_2 = 20, 148 CSIO_SGE_TIMER_VAL_3 = 50, 149 CSIO_SGE_TIMER_VAL_4 = 100, 150 CSIO_SGE_TIMER_VAL_5 = 200, 151 152 CSIO_SGE_INT_CNT_VAL_0 = 1, 153 CSIO_SGE_INT_CNT_VAL_1 = 4, 154 CSIO_SGE_INT_CNT_VAL_2 = 8, 155 CSIO_SGE_INT_CNT_VAL_3 = 16, 156 }; 157 158 /* Slowpath events */ 159 enum csio_evt { 160 CSIO_EVT_FW = 0, /* FW event */ 161 CSIO_EVT_MBX, /* MBX event */ 162 CSIO_EVT_SCN, /* State change notification */ 163 CSIO_EVT_DEV_LOSS, /* Device loss event */ 164 CSIO_EVT_MAX, /* Max supported event */ 165 }; 166 167 #define CSIO_EVT_MSG_SIZE 512 168 #define CSIO_EVTQ_SIZE 512 169 170 /* Event msg */ 171 struct csio_evt_msg { 172 struct list_head list; /* evt queue*/ 173 enum csio_evt type; 174 uint8_t data[CSIO_EVT_MSG_SIZE]; 175 }; 176 177 enum { 178 SERNUM_LEN = 16, /* Serial # length */ 179 EC_LEN = 16, /* E/C length */ 180 ID_LEN = 16, /* ID length */ 181 }; 182 183 enum { 184 SF_SIZE = SF_SEC_SIZE * 16, /* serial flash size */ 185 }; 186 187 /* serial flash and firmware constants */ 188 enum { 189 SF_ATTEMPTS = 10, /* max retries for SF operations */ 190 191 /* flash command opcodes */ 192 SF_PROG_PAGE = 2, /* program page */ 193 SF_WR_DISABLE = 4, /* disable writes */ 194 SF_RD_STATUS = 5, /* read status register */ 195 SF_WR_ENABLE = 6, /* enable writes */ 196 SF_RD_DATA_FAST = 0xb, /* read flash */ 197 SF_RD_ID = 0x9f, /* read ID */ 198 SF_ERASE_SECTOR = 0xd8, /* erase sector */ 199 }; 200 201 /* Management module */ 202 enum { 203 CSIO_MGMT_EQ_WRSIZE = 512, 204 CSIO_MGMT_IQ_WRSIZE = 128, 205 CSIO_MGMT_EQLEN = 64, 206 CSIO_MGMT_IQLEN = 64, 207 }; 208 209 #define CSIO_MGMT_EQSIZE (CSIO_MGMT_EQLEN * CSIO_MGMT_EQ_WRSIZE) 210 #define CSIO_MGMT_IQSIZE (CSIO_MGMT_IQLEN * CSIO_MGMT_IQ_WRSIZE) 211 212 /* mgmt module stats */ 213 struct csio_mgmtm_stats { 214 uint32_t n_abort_req; /* Total abort request */ 215 uint32_t n_abort_rsp; /* Total abort response */ 216 uint32_t n_close_req; /* Total close request */ 217 uint32_t n_close_rsp; /* Total close response */ 218 uint32_t n_err; /* Total Errors */ 219 uint32_t n_drop; /* Total request dropped */ 220 uint32_t n_active; /* Count of active_q */ 221 uint32_t n_cbfn; /* Count of cbfn_q */ 222 }; 223 224 /* MGMT module */ 225 struct csio_mgmtm { 226 struct csio_hw *hw; /* Pointer to HW moduel */ 227 int eq_idx; /* Egress queue index */ 228 int iq_idx; /* Ingress queue index */ 229 int msi_vec; /* MSI vector */ 230 struct list_head active_q; /* Outstanding ELS/CT */ 231 struct list_head abort_q; /* Outstanding abort req */ 232 struct list_head cbfn_q; /* Completion queue */ 233 struct list_head mgmt_req_freelist; /* Free poll of reqs */ 234 /* ELSCT request freelist*/ 235 struct timer_list mgmt_timer; /* MGMT timer */ 236 struct csio_mgmtm_stats stats; /* ELS/CT stats */ 237 }; 238 239 struct csio_adap_desc { 240 char model_no[16]; 241 char description[32]; 242 }; 243 244 struct pci_params { 245 uint16_t vendor_id; 246 uint16_t device_id; 247 int vpd_cap_addr; 248 uint16_t speed; 249 uint8_t width; 250 }; 251 252 /* User configurable hw parameters */ 253 struct csio_hw_params { 254 uint32_t sf_size; /* serial flash 255 * size in bytes 256 */ 257 uint32_t sf_nsec; /* # of flash sectors */ 258 struct pci_params pci; 259 uint32_t log_level; /* Module-level for 260 * debug log. 261 */ 262 }; 263 264 struct csio_vpd { 265 uint32_t cclk; 266 uint8_t ec[EC_LEN + 1]; 267 uint8_t sn[SERNUM_LEN + 1]; 268 uint8_t id[ID_LEN + 1]; 269 }; 270 271 struct csio_pport { 272 uint16_t pcap; 273 uint8_t portid; 274 uint8_t link_status; 275 uint16_t link_speed; 276 uint8_t mac[6]; 277 uint8_t mod_type; 278 uint8_t rsvd1; 279 uint8_t rsvd2; 280 uint8_t rsvd3; 281 }; 282 283 /* fcoe resource information */ 284 struct csio_fcoe_res_info { 285 uint16_t e_d_tov; 286 uint16_t r_a_tov_seq; 287 uint16_t r_a_tov_els; 288 uint16_t r_r_tov; 289 uint32_t max_xchgs; 290 uint32_t max_ssns; 291 uint32_t used_xchgs; 292 uint32_t used_ssns; 293 uint32_t max_fcfs; 294 uint32_t max_vnps; 295 uint32_t used_fcfs; 296 uint32_t used_vnps; 297 }; 298 299 /* HW State machine Events */ 300 enum csio_hw_ev { 301 CSIO_HWE_CFG = (uint32_t)1, /* Starts off the State machine */ 302 CSIO_HWE_INIT, /* Config done, start Init */ 303 CSIO_HWE_INIT_DONE, /* Init Mailboxes sent, HW ready */ 304 CSIO_HWE_FATAL, /* Fatal error during initialization */ 305 CSIO_HWE_PCIERR_DETECTED,/* PCI error recovery detetced */ 306 CSIO_HWE_PCIERR_SLOT_RESET, /* Slot reset after PCI recoviery */ 307 CSIO_HWE_PCIERR_RESUME, /* Resume after PCI error recovery */ 308 CSIO_HWE_QUIESCED, /* HBA quiesced */ 309 CSIO_HWE_HBA_RESET, /* HBA reset requested */ 310 CSIO_HWE_HBA_RESET_DONE, /* HBA reset completed */ 311 CSIO_HWE_FW_DLOAD, /* FW download requested */ 312 CSIO_HWE_PCI_REMOVE, /* PCI de-instantiation */ 313 CSIO_HWE_SUSPEND, /* HW suspend for Online(hot) replacement */ 314 CSIO_HWE_RESUME, /* HW resume for Online(hot) replacement */ 315 CSIO_HWE_MAX, /* Max HW event */ 316 }; 317 318 /* hw stats */ 319 struct csio_hw_stats { 320 uint32_t n_evt_activeq; /* Number of event in active Q */ 321 uint32_t n_evt_freeq; /* Number of event in free Q */ 322 uint32_t n_evt_drop; /* Number of event droped */ 323 uint32_t n_evt_unexp; /* Number of unexpected events */ 324 uint32_t n_pcich_offline;/* Number of pci channel offline */ 325 uint32_t n_lnlkup_miss; /* Number of lnode lookup miss */ 326 uint32_t n_cpl_fw6_msg; /* Number of cpl fw6 message*/ 327 uint32_t n_cpl_fw6_pld; /* Number of cpl fw6 payload*/ 328 uint32_t n_cpl_unexp; /* Number of unexpected cpl */ 329 uint32_t n_mbint_unexp; /* Number of unexpected mbox */ 330 /* interrupt */ 331 uint32_t n_plint_unexp; /* Number of unexpected PL */ 332 /* interrupt */ 333 uint32_t n_plint_cnt; /* Number of PL interrupt */ 334 uint32_t n_int_stray; /* Number of stray interrupt */ 335 uint32_t n_err; /* Number of hw errors */ 336 uint32_t n_err_fatal; /* Number of fatal errors */ 337 uint32_t n_err_nomem; /* Number of memory alloc failure */ 338 uint32_t n_err_io; /* Number of IO failure */ 339 enum csio_hw_ev n_evt_sm[CSIO_HWE_MAX]; /* Number of sm events */ 340 uint64_t n_reset_start; /* Start time after the reset */ 341 uint32_t rsvd1; 342 }; 343 344 /* Defines for hw->flags */ 345 #define CSIO_HWF_MASTER 0x00000001 /* This is the Master 346 * function for the 347 * card. 348 */ 349 #define CSIO_HWF_HW_INTR_ENABLED 0x00000002 /* Are HW Interrupt 350 * enable bit set? 351 */ 352 #define CSIO_HWF_FWEVT_PENDING 0x00000004 /* FW events pending */ 353 #define CSIO_HWF_Q_MEM_ALLOCED 0x00000008 /* Queues have been 354 * allocated memory. 355 */ 356 #define CSIO_HWF_Q_FW_ALLOCED 0x00000010 /* Queues have been 357 * allocated in FW. 358 */ 359 #define CSIO_HWF_VPD_VALID 0x00000020 /* Valid VPD copied */ 360 #define CSIO_HWF_DEVID_CACHED 0X00000040 /* PCI vendor & device 361 * id cached */ 362 #define CSIO_HWF_FWEVT_STOP 0x00000080 /* Stop processing 363 * FW events 364 */ 365 #define CSIO_HWF_USING_SOFT_PARAMS 0x00000100 /* Using FW config 366 * params 367 */ 368 #define CSIO_HWF_HOST_INTR_ENABLED 0x00000200 /* Are host interrupts 369 * enabled? 370 */ 371 372 #define csio_is_hw_intr_enabled(__hw) \ 373 ((__hw)->flags & CSIO_HWF_HW_INTR_ENABLED) 374 #define csio_is_host_intr_enabled(__hw) \ 375 ((__hw)->flags & CSIO_HWF_HOST_INTR_ENABLED) 376 #define csio_is_hw_master(__hw) ((__hw)->flags & CSIO_HWF_MASTER) 377 #define csio_is_valid_vpd(__hw) ((__hw)->flags & CSIO_HWF_VPD_VALID) 378 #define csio_is_dev_id_cached(__hw) ((__hw)->flags & CSIO_HWF_DEVID_CACHED) 379 #define csio_valid_vpd_copied(__hw) ((__hw)->flags |= CSIO_HWF_VPD_VALID) 380 #define csio_dev_id_cached(__hw) ((__hw)->flags |= CSIO_HWF_DEVID_CACHED) 381 382 /* Defines for intr_mode */ 383 enum csio_intr_mode { 384 CSIO_IM_NONE = 0, 385 CSIO_IM_INTX = 1, 386 CSIO_IM_MSI = 2, 387 CSIO_IM_MSIX = 3, 388 }; 389 390 /* Master HW structure: One per function */ 391 struct csio_hw { 392 struct csio_sm sm; /* State machine: should 393 * be the 1st member. 394 */ 395 spinlock_t lock; /* Lock for hw */ 396 397 struct csio_scsim scsim; /* SCSI module*/ 398 struct csio_wrm wrm; /* Work request module*/ 399 struct pci_dev *pdev; /* PCI device */ 400 401 void __iomem *regstart; /* Virtual address of 402 * register map 403 */ 404 /* SCSI queue sets */ 405 uint32_t num_sqsets; /* Number of SCSI 406 * queue sets */ 407 uint32_t num_scsi_msix_cpus; /* Number of CPUs that 408 * will be used 409 * for ingress 410 * processing. 411 */ 412 413 struct csio_scsi_qset sqset[CSIO_MAX_PPORTS][CSIO_MAX_SCSI_CPU]; 414 struct csio_scsi_cpu_info scsi_cpu_info[CSIO_MAX_PPORTS]; 415 416 uint32_t evtflag; /* Event flag */ 417 uint32_t flags; /* HW flags */ 418 419 struct csio_mgmtm mgmtm; /* management module */ 420 struct csio_mbm mbm; /* Mailbox module */ 421 422 /* Lnodes */ 423 uint32_t num_lns; /* Number of lnodes */ 424 struct csio_lnode *rln; /* Root lnode */ 425 struct list_head sln_head; /* Sibling node list 426 * list 427 */ 428 int intr_iq_idx; /* Forward interrupt 429 * queue. 430 */ 431 int fwevt_iq_idx; /* FW evt queue */ 432 struct work_struct evtq_work; /* Worker thread for 433 * HW events. 434 */ 435 struct list_head evt_free_q; /* freelist of evt 436 * elements 437 */ 438 struct list_head evt_active_q; /* active evt queue*/ 439 440 /* board related info */ 441 char name[32]; 442 char hw_ver[16]; 443 char model_desc[32]; 444 char drv_version[32]; 445 char fwrev_str[32]; 446 uint32_t optrom_ver; 447 uint32_t fwrev; 448 uint32_t tp_vers; 449 char chip_ver; 450 uint16_t chip_id; /* Tells T4/T5 chip */ 451 enum csio_dev_state fw_state; 452 struct csio_vpd vpd; 453 454 uint8_t pfn; /* Physical Function 455 * number 456 */ 457 uint32_t port_vec; /* Port vector */ 458 uint8_t num_pports; /* Number of physical 459 * ports. 460 */ 461 uint8_t rst_retries; /* Reset retries */ 462 uint8_t cur_evt; /* current s/m evt */ 463 uint8_t prev_evt; /* Previous s/m evt */ 464 uint32_t dev_num; /* device number */ 465 struct csio_pport pport[CSIO_MAX_PPORTS]; /* Ports (XGMACs) */ 466 struct csio_hw_params params; /* Hw parameters */ 467 468 struct pci_pool *scsi_pci_pool; /* PCI pool for SCSI */ 469 mempool_t *mb_mempool; /* Mailbox memory pool*/ 470 mempool_t *rnode_mempool; /* rnode memory pool */ 471 472 /* Interrupt */ 473 enum csio_intr_mode intr_mode; /* INTx, MSI, MSIX */ 474 uint32_t fwevt_intr_idx; /* FW evt MSIX/interrupt 475 * index 476 */ 477 uint32_t nondata_intr_idx; /* nondata MSIX/intr 478 * idx 479 */ 480 481 uint8_t cfg_neq; /* FW configured no of 482 * egress queues 483 */ 484 uint8_t cfg_niq; /* FW configured no of 485 * iq queues. 486 */ 487 488 struct csio_fcoe_res_info fres_info; /* Fcoe resource info */ 489 struct csio_hw_chip_ops *chip_ops; /* T4/T5 Chip specific 490 * Operations 491 */ 492 493 /* MSIX vectors */ 494 struct csio_msix_entries msix_entries[CSIO_MAX_MSIX_VECS]; 495 496 struct dentry *debugfs_root; /* Debug FS */ 497 struct csio_hw_stats stats; /* Hw statistics */ 498 }; 499 500 /* Register access macros */ 501 #define csio_reg(_b, _r) ((_b) + (_r)) 502 503 #define csio_rd_reg8(_h, _r) readb(csio_reg((_h)->regstart, (_r))) 504 #define csio_rd_reg16(_h, _r) readw(csio_reg((_h)->regstart, (_r))) 505 #define csio_rd_reg32(_h, _r) readl(csio_reg((_h)->regstart, (_r))) 506 #define csio_rd_reg64(_h, _r) readq(csio_reg((_h)->regstart, (_r))) 507 508 #define csio_wr_reg8(_h, _v, _r) writeb((_v), \ 509 csio_reg((_h)->regstart, (_r))) 510 #define csio_wr_reg16(_h, _v, _r) writew((_v), \ 511 csio_reg((_h)->regstart, (_r))) 512 #define csio_wr_reg32(_h, _v, _r) writel((_v), \ 513 csio_reg((_h)->regstart, (_r))) 514 #define csio_wr_reg64(_h, _v, _r) writeq((_v), \ 515 csio_reg((_h)->regstart, (_r))) 516 517 void csio_set_reg_field(struct csio_hw *, uint32_t, uint32_t, uint32_t); 518 519 /* Core clocks <==> uSecs */ 520 static inline uint32_t 521 csio_core_ticks_to_us(struct csio_hw *hw, uint32_t ticks) 522 { 523 /* add Core Clock / 2 to round ticks to nearest uS */ 524 return (ticks * 1000 + hw->vpd.cclk/2) / hw->vpd.cclk; 525 } 526 527 static inline uint32_t 528 csio_us_to_core_ticks(struct csio_hw *hw, uint32_t us) 529 { 530 return (us * hw->vpd.cclk) / 1000; 531 } 532 533 /* Easy access macros */ 534 #define csio_hw_to_wrm(hw) ((struct csio_wrm *)(&(hw)->wrm)) 535 #define csio_hw_to_mbm(hw) ((struct csio_mbm *)(&(hw)->mbm)) 536 #define csio_hw_to_scsim(hw) ((struct csio_scsim *)(&(hw)->scsim)) 537 #define csio_hw_to_mgmtm(hw) ((struct csio_mgmtm *)(&(hw)->mgmtm)) 538 539 #define CSIO_PCI_BUS(hw) ((hw)->pdev->bus->number) 540 #define CSIO_PCI_DEV(hw) (PCI_SLOT((hw)->pdev->devfn)) 541 #define CSIO_PCI_FUNC(hw) (PCI_FUNC((hw)->pdev->devfn)) 542 543 #define csio_set_fwevt_intr_idx(_h, _i) ((_h)->fwevt_intr_idx = (_i)) 544 #define csio_get_fwevt_intr_idx(_h) ((_h)->fwevt_intr_idx) 545 #define csio_set_nondata_intr_idx(_h, _i) ((_h)->nondata_intr_idx = (_i)) 546 #define csio_get_nondata_intr_idx(_h) ((_h)->nondata_intr_idx) 547 548 /* Printing/logging */ 549 #define CSIO_DEVID(__dev) ((__dev)->dev_num) 550 #define CSIO_DEVID_LO(__dev) (CSIO_DEVID((__dev)) & 0xFFFF) 551 #define CSIO_DEVID_HI(__dev) ((CSIO_DEVID((__dev)) >> 16) & 0xFFFF) 552 553 #define csio_info(__hw, __fmt, ...) \ 554 dev_info(&(__hw)->pdev->dev, __fmt, ##__VA_ARGS__) 555 556 #define csio_fatal(__hw, __fmt, ...) \ 557 dev_crit(&(__hw)->pdev->dev, __fmt, ##__VA_ARGS__) 558 559 #define csio_err(__hw, __fmt, ...) \ 560 dev_err(&(__hw)->pdev->dev, __fmt, ##__VA_ARGS__) 561 562 #define csio_warn(__hw, __fmt, ...) \ 563 dev_warn(&(__hw)->pdev->dev, __fmt, ##__VA_ARGS__) 564 565 #ifdef __CSIO_DEBUG__ 566 #define csio_dbg(__hw, __fmt, ...) \ 567 csio_info((__hw), __fmt, ##__VA_ARGS__); 568 #else 569 #define csio_dbg(__hw, __fmt, ...) 570 #endif 571 572 int csio_hw_wait_op_done_val(struct csio_hw *, int, uint32_t, int, 573 int, int, uint32_t *); 574 void csio_hw_tp_wr_bits_indirect(struct csio_hw *, unsigned int, 575 unsigned int, unsigned int); 576 int csio_mgmt_req_lookup(struct csio_mgmtm *, struct csio_ioreq *); 577 void csio_hw_intr_disable(struct csio_hw *); 578 int csio_hw_slow_intr_handler(struct csio_hw *); 579 int csio_handle_intr_status(struct csio_hw *, unsigned int, 580 const struct intr_info *); 581 582 int csio_hw_start(struct csio_hw *); 583 int csio_hw_stop(struct csio_hw *); 584 int csio_hw_reset(struct csio_hw *); 585 int csio_is_hw_ready(struct csio_hw *); 586 int csio_is_hw_removing(struct csio_hw *); 587 588 int csio_fwevtq_handler(struct csio_hw *); 589 void csio_evtq_worker(struct work_struct *); 590 int csio_enqueue_evt(struct csio_hw *, enum csio_evt, void *, uint16_t); 591 void csio_evtq_flush(struct csio_hw *hw); 592 593 int csio_request_irqs(struct csio_hw *); 594 void csio_intr_enable(struct csio_hw *); 595 void csio_intr_disable(struct csio_hw *, bool); 596 void csio_hw_fatal_err(struct csio_hw *); 597 598 struct csio_lnode *csio_lnode_alloc(struct csio_hw *); 599 int csio_config_queues(struct csio_hw *); 600 601 int csio_hw_init(struct csio_hw *); 602 void csio_hw_exit(struct csio_hw *); 603 #endif /* ifndef __CSIO_HW_H__ */ 604