1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* 3 * Copyright (c) 2015 Linaro Ltd. 4 * Copyright (c) 2015 Hisilicon Limited. 5 */ 6 7 #ifndef _HISI_SAS_H_ 8 #define _HISI_SAS_H_ 9 10 #include <linux/acpi.h> 11 #include <linux/blk-mq.h> 12 #include <linux/blk-mq-pci.h> 13 #include <linux/clk.h> 14 #include <linux/debugfs.h> 15 #include <linux/dmapool.h> 16 #include <linux/iopoll.h> 17 #include <linux/lcm.h> 18 #include <linux/libata.h> 19 #include <linux/mfd/syscon.h> 20 #include <linux/module.h> 21 #include <linux/of_address.h> 22 #include <linux/pci.h> 23 #include <linux/platform_device.h> 24 #include <linux/property.h> 25 #include <linux/regmap.h> 26 #include <linux/timer.h> 27 #include <scsi/sas_ata.h> 28 #include <scsi/libsas.h> 29 30 #define HISI_SAS_MAX_PHYS 9 31 #define HISI_SAS_MAX_QUEUES 32 32 #define HISI_SAS_QUEUE_SLOTS 4096 33 #define HISI_SAS_MAX_ITCT_ENTRIES 1024 34 #define HISI_SAS_MAX_DEVICES HISI_SAS_MAX_ITCT_ENTRIES 35 #define HISI_SAS_RESET_BIT 0 36 #define HISI_SAS_REJECT_CMD_BIT 1 37 #define HISI_SAS_MAX_COMMANDS (HISI_SAS_QUEUE_SLOTS) 38 #define HISI_SAS_RESERVED_IPTT 96 39 #define HISI_SAS_UNRESERVED_IPTT \ 40 (HISI_SAS_MAX_COMMANDS - HISI_SAS_RESERVED_IPTT) 41 42 #define HISI_SAS_IOST_ITCT_CACHE_NUM 64 43 #define HISI_SAS_IOST_ITCT_CACHE_DW_SZ 10 44 45 #define HISI_SAS_STATUS_BUF_SZ (sizeof(struct hisi_sas_status_buffer)) 46 #define HISI_SAS_COMMAND_TABLE_SZ (sizeof(union hisi_sas_command_table)) 47 48 #define hisi_sas_status_buf_addr(buf) \ 49 ((buf) + offsetof(struct hisi_sas_slot_buf_table, status_buffer)) 50 #define hisi_sas_status_buf_addr_mem(slot) hisi_sas_status_buf_addr((slot)->buf) 51 #define hisi_sas_status_buf_addr_dma(slot) \ 52 hisi_sas_status_buf_addr((slot)->buf_dma) 53 54 #define hisi_sas_cmd_hdr_addr(buf) \ 55 ((buf) + offsetof(struct hisi_sas_slot_buf_table, command_header)) 56 #define hisi_sas_cmd_hdr_addr_mem(slot) hisi_sas_cmd_hdr_addr((slot)->buf) 57 #define hisi_sas_cmd_hdr_addr_dma(slot) hisi_sas_cmd_hdr_addr((slot)->buf_dma) 58 59 #define hisi_sas_sge_addr(buf) \ 60 ((buf) + offsetof(struct hisi_sas_slot_buf_table, sge_page)) 61 #define hisi_sas_sge_addr_mem(slot) hisi_sas_sge_addr((slot)->buf) 62 #define hisi_sas_sge_addr_dma(slot) hisi_sas_sge_addr((slot)->buf_dma) 63 64 #define hisi_sas_sge_dif_addr(buf) \ 65 ((buf) + offsetof(struct hisi_sas_slot_dif_buf_table, sge_dif_page)) 66 #define hisi_sas_sge_dif_addr_mem(slot) hisi_sas_sge_dif_addr((slot)->buf) 67 #define hisi_sas_sge_dif_addr_dma(slot) hisi_sas_sge_dif_addr((slot)->buf_dma) 68 69 #define HISI_SAS_MAX_SSP_RESP_SZ (sizeof(struct ssp_frame_hdr) + 1024) 70 #define HISI_SAS_MAX_SMP_RESP_SZ 1028 71 #define HISI_SAS_MAX_STP_RESP_SZ 28 72 73 #define HISI_SAS_SATA_PROTOCOL_NONDATA 0x1 74 #define HISI_SAS_SATA_PROTOCOL_PIO 0x2 75 #define HISI_SAS_SATA_PROTOCOL_DMA 0x4 76 #define HISI_SAS_SATA_PROTOCOL_FPDMA 0x8 77 #define HISI_SAS_SATA_PROTOCOL_ATAPI 0x10 78 79 #define HISI_SAS_DIF_PROT_MASK (SHOST_DIF_TYPE1_PROTECTION | \ 80 SHOST_DIF_TYPE2_PROTECTION | \ 81 SHOST_DIF_TYPE3_PROTECTION) 82 83 #define HISI_SAS_DIX_PROT_MASK (SHOST_DIX_TYPE1_PROTECTION | \ 84 SHOST_DIX_TYPE2_PROTECTION | \ 85 SHOST_DIX_TYPE3_PROTECTION) 86 87 #define HISI_SAS_PROT_MASK (HISI_SAS_DIF_PROT_MASK | HISI_SAS_DIX_PROT_MASK) 88 89 #define HISI_SAS_WAIT_PHYUP_TIMEOUT 20 90 #define CLEAR_ITCT_TIMEOUT 20 91 92 struct hisi_hba; 93 94 enum { 95 PORT_TYPE_SAS = (1U << 1), 96 PORT_TYPE_SATA = (1U << 0), 97 }; 98 99 enum dev_status { 100 HISI_SAS_DEV_INIT, 101 HISI_SAS_DEV_NORMAL, 102 }; 103 104 enum { 105 HISI_SAS_INT_ABT_CMD = 0, 106 HISI_SAS_INT_ABT_DEV = 1, 107 }; 108 109 enum hisi_sas_dev_type { 110 HISI_SAS_DEV_TYPE_STP = 0, 111 HISI_SAS_DEV_TYPE_SSP, 112 HISI_SAS_DEV_TYPE_SATA, 113 }; 114 115 struct hisi_sas_hw_error { 116 u32 irq_msk; 117 u32 msk; 118 int shift; 119 const char *msg; 120 int reg; 121 const struct hisi_sas_hw_error *sub; 122 }; 123 124 struct hisi_sas_rst { 125 struct hisi_hba *hisi_hba; 126 struct completion *completion; 127 struct work_struct work; 128 bool done; 129 }; 130 131 #define HISI_SAS_RST_WORK_INIT(r, c) \ 132 { .hisi_hba = hisi_hba, \ 133 .completion = &c, \ 134 .work = __WORK_INITIALIZER(r.work, \ 135 hisi_sas_sync_rst_work_handler), \ 136 .done = false, \ 137 } 138 139 #define HISI_SAS_DECLARE_RST_WORK_ON_STACK(r) \ 140 DECLARE_COMPLETION_ONSTACK(c); \ 141 struct hisi_sas_rst r = HISI_SAS_RST_WORK_INIT(r, c) 142 143 enum hisi_sas_bit_err_type { 144 HISI_SAS_ERR_SINGLE_BIT_ECC = 0x0, 145 HISI_SAS_ERR_MULTI_BIT_ECC = 0x1, 146 }; 147 148 enum hisi_sas_phy_event { 149 HISI_PHYE_PHY_UP = 0U, 150 HISI_PHYE_LINK_RESET, 151 HISI_PHYES_NUM, 152 }; 153 154 struct hisi_sas_phy { 155 struct work_struct works[HISI_PHYES_NUM]; 156 struct hisi_hba *hisi_hba; 157 struct hisi_sas_port *port; 158 struct asd_sas_phy sas_phy; 159 struct sas_identify identify; 160 struct completion *reset_completion; 161 struct timer_list timer; 162 spinlock_t lock; 163 u64 port_id; /* from hw */ 164 u64 frame_rcvd_size; 165 u8 frame_rcvd[32]; 166 u8 phy_attached; 167 u8 in_reset; 168 u8 reserved[2]; 169 u32 phy_type; 170 u32 code_violation_err_count; 171 enum sas_linkrate minimum_linkrate; 172 enum sas_linkrate maximum_linkrate; 173 int enable; 174 atomic_t down_cnt; 175 }; 176 177 struct hisi_sas_port { 178 struct asd_sas_port sas_port; 179 u8 port_attached; 180 u8 id; /* from hw */ 181 }; 182 183 struct hisi_sas_cq { 184 struct hisi_hba *hisi_hba; 185 const struct cpumask *irq_mask; 186 int rd_point; 187 int id; 188 int irq_no; 189 }; 190 191 struct hisi_sas_dq { 192 struct hisi_hba *hisi_hba; 193 struct list_head list; 194 spinlock_t lock; 195 int wr_point; 196 int id; 197 }; 198 199 struct hisi_sas_device { 200 struct hisi_hba *hisi_hba; 201 struct domain_device *sas_device; 202 struct completion *completion; 203 struct hisi_sas_dq *dq; 204 struct list_head list; 205 enum sas_device_type dev_type; 206 enum dev_status dev_status; 207 int device_id; 208 int sata_idx; 209 spinlock_t lock; /* For protecting slots */ 210 }; 211 212 struct hisi_sas_tmf_task { 213 int force_phy; 214 int phy_id; 215 u8 tmf; 216 u16 tag_of_task_to_be_managed; 217 }; 218 219 struct hisi_sas_slot { 220 struct list_head entry; 221 struct list_head delivery; 222 struct sas_task *task; 223 struct hisi_sas_port *port; 224 u64 n_elem; 225 u64 n_elem_dif; 226 int dlvry_queue; 227 int dlvry_queue_slot; 228 int cmplt_queue; 229 int cmplt_queue_slot; 230 int abort; 231 int ready; 232 int device_id; 233 void *cmd_hdr; 234 dma_addr_t cmd_hdr_dma; 235 struct timer_list internal_abort_timer; 236 bool is_internal; 237 struct hisi_sas_tmf_task *tmf; 238 /* Do not reorder/change members after here */ 239 void *buf; 240 dma_addr_t buf_dma; 241 u16 idx; 242 }; 243 244 #define HISI_SAS_DEBUGFS_REG(x) {#x, x} 245 246 struct hisi_sas_debugfs_reg_lu { 247 char *name; 248 int off; 249 }; 250 251 struct hisi_sas_debugfs_reg { 252 const struct hisi_sas_debugfs_reg_lu *lu; 253 int count; 254 int base_off; 255 union { 256 u32 (*read_global_reg)(struct hisi_hba *hisi_hba, u32 off); 257 u32 (*read_port_reg)(struct hisi_hba *hisi_hba, int port, 258 u32 off); 259 }; 260 }; 261 262 struct hisi_sas_iost_itct_cache { 263 u32 data[HISI_SAS_IOST_ITCT_CACHE_DW_SZ]; 264 }; 265 266 enum hisi_sas_debugfs_reg_array_member { 267 DEBUGFS_GLOBAL = 0, 268 DEBUGFS_AXI, 269 DEBUGFS_RAS, 270 DEBUGFS_REGS_NUM 271 }; 272 273 enum hisi_sas_debugfs_cache_type { 274 HISI_SAS_ITCT_CACHE, 275 HISI_SAS_IOST_CACHE, 276 }; 277 278 struct hisi_sas_hw { 279 int (*hw_init)(struct hisi_hba *hisi_hba); 280 void (*setup_itct)(struct hisi_hba *hisi_hba, 281 struct hisi_sas_device *device); 282 int (*slot_index_alloc)(struct hisi_hba *hisi_hba, 283 struct domain_device *device); 284 struct hisi_sas_device *(*alloc_dev)(struct domain_device *device); 285 void (*sl_notify_ssp)(struct hisi_hba *hisi_hba, int phy_no); 286 void (*start_delivery)(struct hisi_sas_dq *dq); 287 void (*prep_ssp)(struct hisi_hba *hisi_hba, 288 struct hisi_sas_slot *slot); 289 void (*prep_smp)(struct hisi_hba *hisi_hba, 290 struct hisi_sas_slot *slot); 291 void (*prep_stp)(struct hisi_hba *hisi_hba, 292 struct hisi_sas_slot *slot); 293 void (*prep_abort)(struct hisi_hba *hisi_hba, 294 struct hisi_sas_slot *slot, 295 int device_id, int abort_flag, int tag_to_abort); 296 void (*phys_init)(struct hisi_hba *hisi_hba); 297 void (*phy_start)(struct hisi_hba *hisi_hba, int phy_no); 298 void (*phy_disable)(struct hisi_hba *hisi_hba, int phy_no); 299 void (*phy_hard_reset)(struct hisi_hba *hisi_hba, int phy_no); 300 void (*get_events)(struct hisi_hba *hisi_hba, int phy_no); 301 void (*phy_set_linkrate)(struct hisi_hba *hisi_hba, int phy_no, 302 struct sas_phy_linkrates *linkrates); 303 enum sas_linkrate (*phy_get_max_linkrate)(void); 304 int (*clear_itct)(struct hisi_hba *hisi_hba, 305 struct hisi_sas_device *dev); 306 void (*free_device)(struct hisi_sas_device *sas_dev); 307 int (*get_wideport_bitmap)(struct hisi_hba *hisi_hba, int port_id); 308 void (*dereg_device)(struct hisi_hba *hisi_hba, 309 struct domain_device *device); 310 int (*soft_reset)(struct hisi_hba *hisi_hba); 311 u32 (*get_phys_state)(struct hisi_hba *hisi_hba); 312 int (*write_gpio)(struct hisi_hba *hisi_hba, u8 reg_type, 313 u8 reg_index, u8 reg_count, u8 *write_data); 314 void (*wait_cmds_complete_timeout)(struct hisi_hba *hisi_hba, 315 int delay_ms, int timeout_ms); 316 void (*snapshot_prepare)(struct hisi_hba *hisi_hba); 317 void (*snapshot_restore)(struct hisi_hba *hisi_hba); 318 int (*set_bist)(struct hisi_hba *hisi_hba, bool enable); 319 void (*read_iost_itct_cache)(struct hisi_hba *hisi_hba, 320 enum hisi_sas_debugfs_cache_type type, 321 u32 *cache); 322 int complete_hdr_size; 323 struct scsi_host_template *sht; 324 325 const struct hisi_sas_debugfs_reg *debugfs_reg_array[DEBUGFS_REGS_NUM]; 326 const struct hisi_sas_debugfs_reg *debugfs_reg_port; 327 }; 328 329 #define HISI_SAS_MAX_DEBUGFS_DUMP (50) 330 331 struct hisi_sas_debugfs_cq { 332 struct hisi_sas_cq *cq; 333 void *complete_hdr; 334 }; 335 336 struct hisi_sas_debugfs_dq { 337 struct hisi_sas_dq *dq; 338 struct hisi_sas_cmd_hdr *hdr; 339 }; 340 341 struct hisi_sas_debugfs_regs { 342 struct hisi_hba *hisi_hba; 343 u32 *data; 344 }; 345 346 struct hisi_sas_debugfs_port { 347 struct hisi_sas_phy *phy; 348 u32 *data; 349 }; 350 351 struct hisi_sas_debugfs_iost { 352 struct hisi_sas_iost *iost; 353 }; 354 355 struct hisi_sas_debugfs_itct { 356 struct hisi_sas_itct *itct; 357 }; 358 359 struct hisi_sas_debugfs_iost_cache { 360 struct hisi_sas_iost_itct_cache *cache; 361 }; 362 363 struct hisi_sas_debugfs_itct_cache { 364 struct hisi_sas_iost_itct_cache *cache; 365 }; 366 367 struct hisi_hba { 368 /* This must be the first element, used by SHOST_TO_SAS_HA */ 369 struct sas_ha_struct *p; 370 371 struct platform_device *platform_dev; 372 struct pci_dev *pci_dev; 373 struct device *dev; 374 375 int prot_mask; 376 377 void __iomem *regs; 378 void __iomem *sgpio_regs; 379 struct regmap *ctrl; 380 u32 ctrl_reset_reg; 381 u32 ctrl_reset_sts_reg; 382 u32 ctrl_clock_ena_reg; 383 u32 refclk_frequency_mhz; 384 u8 sas_addr[SAS_ADDR_SIZE]; 385 386 int n_phy; 387 spinlock_t lock; 388 struct semaphore sem; 389 390 struct timer_list timer; 391 struct workqueue_struct *wq; 392 393 int slot_index_count; 394 int last_slot_index; 395 int last_dev_id; 396 unsigned long *slot_index_tags; 397 unsigned long reject_stp_links_msk; 398 399 /* SCSI/SAS glue */ 400 struct sas_ha_struct sha; 401 struct Scsi_Host *shost; 402 403 struct hisi_sas_cq cq[HISI_SAS_MAX_QUEUES]; 404 struct hisi_sas_dq dq[HISI_SAS_MAX_QUEUES]; 405 struct hisi_sas_phy phy[HISI_SAS_MAX_PHYS]; 406 struct hisi_sas_port port[HISI_SAS_MAX_PHYS]; 407 408 int queue_count; 409 410 struct hisi_sas_device devices[HISI_SAS_MAX_DEVICES]; 411 struct hisi_sas_cmd_hdr *cmd_hdr[HISI_SAS_MAX_QUEUES]; 412 dma_addr_t cmd_hdr_dma[HISI_SAS_MAX_QUEUES]; 413 void *complete_hdr[HISI_SAS_MAX_QUEUES]; 414 dma_addr_t complete_hdr_dma[HISI_SAS_MAX_QUEUES]; 415 struct hisi_sas_initial_fis *initial_fis; 416 dma_addr_t initial_fis_dma; 417 struct hisi_sas_itct *itct; 418 dma_addr_t itct_dma; 419 struct hisi_sas_iost *iost; 420 dma_addr_t iost_dma; 421 struct hisi_sas_breakpoint *breakpoint; 422 dma_addr_t breakpoint_dma; 423 struct hisi_sas_breakpoint *sata_breakpoint; 424 dma_addr_t sata_breakpoint_dma; 425 struct hisi_sas_slot *slot_info; 426 unsigned long flags; 427 const struct hisi_sas_hw *hw; /* Low level hw interface */ 428 unsigned long sata_dev_bitmap[BITS_TO_LONGS(HISI_SAS_MAX_DEVICES)]; 429 struct work_struct rst_work; 430 struct work_struct debugfs_work; 431 u32 phy_state; 432 u32 intr_coal_ticks; /* Time of interrupt coalesce in us */ 433 u32 intr_coal_count; /* Interrupt count to coalesce */ 434 435 int cq_nvecs; 436 437 /* bist */ 438 enum sas_linkrate debugfs_bist_linkrate; 439 int debugfs_bist_code_mode; 440 int debugfs_bist_phy_no; 441 int debugfs_bist_mode; 442 u32 debugfs_bist_cnt; 443 int debugfs_bist_enable; 444 445 /* debugfs memories */ 446 /* Put Global AXI and RAS Register into register array */ 447 struct hisi_sas_debugfs_regs debugfs_regs[HISI_SAS_MAX_DEBUGFS_DUMP][DEBUGFS_REGS_NUM]; 448 struct hisi_sas_debugfs_port debugfs_port_reg[HISI_SAS_MAX_DEBUGFS_DUMP][HISI_SAS_MAX_PHYS]; 449 struct hisi_sas_debugfs_cq debugfs_cq[HISI_SAS_MAX_DEBUGFS_DUMP][HISI_SAS_MAX_QUEUES]; 450 struct hisi_sas_debugfs_dq debugfs_dq[HISI_SAS_MAX_DEBUGFS_DUMP][HISI_SAS_MAX_QUEUES]; 451 struct hisi_sas_debugfs_iost debugfs_iost[HISI_SAS_MAX_DEBUGFS_DUMP]; 452 struct hisi_sas_debugfs_itct debugfs_itct[HISI_SAS_MAX_DEBUGFS_DUMP]; 453 struct hisi_sas_debugfs_iost_cache debugfs_iost_cache[HISI_SAS_MAX_DEBUGFS_DUMP]; 454 struct hisi_sas_debugfs_itct_cache debugfs_itct_cache[HISI_SAS_MAX_DEBUGFS_DUMP]; 455 456 u64 debugfs_timestamp[HISI_SAS_MAX_DEBUGFS_DUMP]; 457 int debugfs_dump_index; 458 struct dentry *debugfs_dir; 459 struct dentry *debugfs_dump_dentry; 460 struct dentry *debugfs_bist_dentry; 461 }; 462 463 /* Generic HW DMA host memory structures */ 464 /* Delivery queue header */ 465 struct hisi_sas_cmd_hdr { 466 /* dw0 */ 467 __le32 dw0; 468 469 /* dw1 */ 470 __le32 dw1; 471 472 /* dw2 */ 473 __le32 dw2; 474 475 /* dw3 */ 476 __le32 transfer_tags; 477 478 /* dw4 */ 479 __le32 data_transfer_len; 480 481 /* dw5 */ 482 __le32 first_burst_num; 483 484 /* dw6 */ 485 __le32 sg_len; 486 487 /* dw7 */ 488 __le32 dw7; 489 490 /* dw8-9 */ 491 __le64 cmd_table_addr; 492 493 /* dw10-11 */ 494 __le64 sts_buffer_addr; 495 496 /* dw12-13 */ 497 __le64 prd_table_addr; 498 499 /* dw14-15 */ 500 __le64 dif_prd_table_addr; 501 }; 502 503 struct hisi_sas_itct { 504 __le64 qw0; 505 __le64 sas_addr; 506 __le64 qw2; 507 __le64 qw3; 508 __le64 qw4_15[12]; 509 }; 510 511 struct hisi_sas_iost { 512 __le64 qw0; 513 __le64 qw1; 514 __le64 qw2; 515 __le64 qw3; 516 }; 517 518 struct hisi_sas_err_record { 519 u32 data[4]; 520 }; 521 522 struct hisi_sas_initial_fis { 523 struct hisi_sas_err_record err_record; 524 struct dev_to_host_fis fis; 525 u32 rsvd[3]; 526 }; 527 528 struct hisi_sas_breakpoint { 529 u8 data[128]; 530 }; 531 532 struct hisi_sas_sata_breakpoint { 533 struct hisi_sas_breakpoint tag[32]; 534 }; 535 536 struct hisi_sas_sge { 537 __le64 addr; 538 __le32 page_ctrl_0; 539 __le32 page_ctrl_1; 540 __le32 data_len; 541 __le32 data_off; 542 }; 543 544 struct hisi_sas_command_table_smp { 545 u8 bytes[44]; 546 }; 547 548 struct hisi_sas_command_table_stp { 549 struct host_to_dev_fis command_fis; 550 u8 dummy[12]; 551 u8 atapi_cdb[ATAPI_CDB_LEN]; 552 }; 553 554 #define HISI_SAS_SGE_PAGE_CNT (124) 555 struct hisi_sas_sge_page { 556 struct hisi_sas_sge sge[HISI_SAS_SGE_PAGE_CNT]; 557 } __aligned(16); 558 559 #define HISI_SAS_SGE_DIF_PAGE_CNT HISI_SAS_SGE_PAGE_CNT 560 struct hisi_sas_sge_dif_page { 561 struct hisi_sas_sge sge[HISI_SAS_SGE_DIF_PAGE_CNT]; 562 } __aligned(16); 563 564 struct hisi_sas_command_table_ssp { 565 struct ssp_frame_hdr hdr; 566 union { 567 struct { 568 struct ssp_command_iu task; 569 u32 prot[7]; 570 }; 571 struct ssp_tmf_iu ssp_task; 572 struct xfer_rdy_iu xfer_rdy; 573 struct ssp_response_iu ssp_res; 574 } u; 575 }; 576 577 union hisi_sas_command_table { 578 struct hisi_sas_command_table_ssp ssp; 579 struct hisi_sas_command_table_smp smp; 580 struct hisi_sas_command_table_stp stp; 581 } __aligned(16); 582 583 struct hisi_sas_status_buffer { 584 struct hisi_sas_err_record err; 585 u8 iu[1024]; 586 } __aligned(16); 587 588 struct hisi_sas_slot_buf_table { 589 struct hisi_sas_status_buffer status_buffer; 590 union hisi_sas_command_table command_header; 591 struct hisi_sas_sge_page sge_page; 592 }; 593 594 struct hisi_sas_slot_dif_buf_table { 595 struct hisi_sas_slot_buf_table slot_buf; 596 struct hisi_sas_sge_dif_page sge_dif_page; 597 }; 598 599 extern struct scsi_transport_template *hisi_sas_stt; 600 601 extern bool hisi_sas_debugfs_enable; 602 extern u32 hisi_sas_debugfs_dump_count; 603 extern struct dentry *hisi_sas_debugfs_dir; 604 605 extern void hisi_sas_stop_phys(struct hisi_hba *hisi_hba); 606 extern int hisi_sas_alloc(struct hisi_hba *hisi_hba); 607 extern void hisi_sas_free(struct hisi_hba *hisi_hba); 608 extern u8 hisi_sas_get_ata_protocol(struct host_to_dev_fis *fis, 609 int direction); 610 extern struct hisi_sas_port *to_hisi_sas_port(struct asd_sas_port *sas_port); 611 extern void hisi_sas_sata_done(struct sas_task *task, 612 struct hisi_sas_slot *slot); 613 extern int hisi_sas_get_fw_info(struct hisi_hba *hisi_hba); 614 extern int hisi_sas_probe(struct platform_device *pdev, 615 const struct hisi_sas_hw *ops); 616 extern int hisi_sas_remove(struct platform_device *pdev); 617 618 extern int hisi_sas_slave_configure(struct scsi_device *sdev); 619 extern int hisi_sas_scan_finished(struct Scsi_Host *shost, unsigned long time); 620 extern void hisi_sas_scan_start(struct Scsi_Host *shost); 621 extern int hisi_sas_host_reset(struct Scsi_Host *shost, int reset_type); 622 extern void hisi_sas_phy_enable(struct hisi_hba *hisi_hba, int phy_no, 623 int enable); 624 extern void hisi_sas_phy_down(struct hisi_hba *hisi_hba, int phy_no, int rdy); 625 extern void hisi_sas_slot_task_free(struct hisi_hba *hisi_hba, 626 struct sas_task *task, 627 struct hisi_sas_slot *slot); 628 extern void hisi_sas_init_mem(struct hisi_hba *hisi_hba); 629 extern void hisi_sas_rst_work_handler(struct work_struct *work); 630 extern void hisi_sas_sync_rst_work_handler(struct work_struct *work); 631 extern void hisi_sas_sync_irqs(struct hisi_hba *hisi_hba); 632 extern void hisi_sas_phy_oob_ready(struct hisi_hba *hisi_hba, int phy_no); 633 extern bool hisi_sas_notify_phy_event(struct hisi_sas_phy *phy, 634 enum hisi_sas_phy_event event); 635 extern void hisi_sas_release_tasks(struct hisi_hba *hisi_hba); 636 extern u8 hisi_sas_get_prog_phy_linkrate_mask(enum sas_linkrate max); 637 extern void hisi_sas_controller_reset_prepare(struct hisi_hba *hisi_hba); 638 extern void hisi_sas_controller_reset_done(struct hisi_hba *hisi_hba); 639 extern void hisi_sas_debugfs_init(struct hisi_hba *hisi_hba); 640 extern void hisi_sas_debugfs_exit(struct hisi_hba *hisi_hba); 641 extern void hisi_sas_debugfs_work_handler(struct work_struct *work); 642 #endif 643