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/irq.h> 18 #include <linux/lcm.h> 19 #include <linux/libata.h> 20 #include <linux/mfd/syscon.h> 21 #include <linux/module.h> 22 #include <linux/of_address.h> 23 #include <linux/pci.h> 24 #include <linux/platform_device.h> 25 #include <linux/pm_runtime.h> 26 #include <linux/property.h> 27 #include <linux/regmap.h> 28 #include <linux/timer.h> 29 #include <scsi/sas_ata.h> 30 #include <scsi/libsas.h> 31 32 #define HISI_SAS_MAX_PHYS 9 33 #define HISI_SAS_MAX_QUEUES 32 34 #define HISI_SAS_QUEUE_SLOTS 4096 35 #define HISI_SAS_MAX_ITCT_ENTRIES 1024 36 #define HISI_SAS_MAX_DEVICES HISI_SAS_MAX_ITCT_ENTRIES 37 #define HISI_SAS_RESETTING_BIT 0 38 #define HISI_SAS_REJECT_CMD_BIT 1 39 #define HISI_SAS_PM_BIT 2 40 #define HISI_SAS_HW_FAULT_BIT 3 41 #define HISI_SAS_MAX_COMMANDS (HISI_SAS_QUEUE_SLOTS) 42 #define HISI_SAS_RESERVED_IPTT 96 43 #define HISI_SAS_UNRESERVED_IPTT \ 44 (HISI_SAS_MAX_COMMANDS - HISI_SAS_RESERVED_IPTT) 45 46 #define HISI_SAS_IOST_ITCT_CACHE_NUM 64 47 #define HISI_SAS_IOST_ITCT_CACHE_DW_SZ 10 48 #define HISI_SAS_FIFO_DATA_DW_SIZE 32 49 50 #define HISI_SAS_STATUS_BUF_SZ (sizeof(struct hisi_sas_status_buffer)) 51 #define HISI_SAS_COMMAND_TABLE_SZ (sizeof(union hisi_sas_command_table)) 52 53 #define hisi_sas_status_buf_addr(buf) \ 54 ((buf) + offsetof(struct hisi_sas_slot_buf_table, status_buffer)) 55 #define hisi_sas_status_buf_addr_mem(slot) hisi_sas_status_buf_addr((slot)->buf) 56 #define hisi_sas_status_buf_addr_dma(slot) \ 57 hisi_sas_status_buf_addr((slot)->buf_dma) 58 59 #define hisi_sas_cmd_hdr_addr(buf) \ 60 ((buf) + offsetof(struct hisi_sas_slot_buf_table, command_header)) 61 #define hisi_sas_cmd_hdr_addr_mem(slot) hisi_sas_cmd_hdr_addr((slot)->buf) 62 #define hisi_sas_cmd_hdr_addr_dma(slot) hisi_sas_cmd_hdr_addr((slot)->buf_dma) 63 64 #define hisi_sas_sge_addr(buf) \ 65 ((buf) + offsetof(struct hisi_sas_slot_buf_table, sge_page)) 66 #define hisi_sas_sge_addr_mem(slot) hisi_sas_sge_addr((slot)->buf) 67 #define hisi_sas_sge_addr_dma(slot) hisi_sas_sge_addr((slot)->buf_dma) 68 69 #define hisi_sas_sge_dif_addr(buf) \ 70 ((buf) + offsetof(struct hisi_sas_slot_dif_buf_table, sge_dif_page)) 71 #define hisi_sas_sge_dif_addr_mem(slot) hisi_sas_sge_dif_addr((slot)->buf) 72 #define hisi_sas_sge_dif_addr_dma(slot) hisi_sas_sge_dif_addr((slot)->buf_dma) 73 74 #define HISI_SAS_MAX_SSP_RESP_SZ (sizeof(struct ssp_frame_hdr) + 1024) 75 #define HISI_SAS_MAX_SMP_RESP_SZ 1028 76 #define HISI_SAS_MAX_STP_RESP_SZ 28 77 78 #define HISI_SAS_SATA_PROTOCOL_NONDATA 0x1 79 #define HISI_SAS_SATA_PROTOCOL_PIO 0x2 80 #define HISI_SAS_SATA_PROTOCOL_DMA 0x4 81 #define HISI_SAS_SATA_PROTOCOL_FPDMA 0x8 82 #define HISI_SAS_SATA_PROTOCOL_ATAPI 0x10 83 84 #define HISI_SAS_DIF_PROT_MASK (SHOST_DIF_TYPE1_PROTECTION | \ 85 SHOST_DIF_TYPE2_PROTECTION | \ 86 SHOST_DIF_TYPE3_PROTECTION) 87 88 #define HISI_SAS_DIX_PROT_MASK (SHOST_DIX_TYPE1_PROTECTION | \ 89 SHOST_DIX_TYPE2_PROTECTION | \ 90 SHOST_DIX_TYPE3_PROTECTION) 91 92 #define HISI_SAS_PROT_MASK (HISI_SAS_DIF_PROT_MASK | HISI_SAS_DIX_PROT_MASK) 93 94 #define HISI_SAS_WAIT_PHYUP_TIMEOUT (30 * HZ) 95 #define HISI_SAS_CLEAR_ITCT_TIMEOUT (20 * HZ) 96 97 struct hisi_hba; 98 99 enum { 100 PORT_TYPE_SAS = (1U << 1), 101 PORT_TYPE_SATA = (1U << 0), 102 }; 103 104 enum dev_status { 105 HISI_SAS_DEV_INIT, 106 HISI_SAS_DEV_NORMAL, 107 HISI_SAS_DEV_NCQ_ERR, 108 }; 109 110 enum { 111 HISI_SAS_INT_ABT_CMD = 0, 112 HISI_SAS_INT_ABT_DEV = 1, 113 }; 114 115 enum hisi_sas_dev_type { 116 HISI_SAS_DEV_TYPE_STP = 0, 117 HISI_SAS_DEV_TYPE_SSP, 118 HISI_SAS_DEV_TYPE_SATA, 119 }; 120 121 struct hisi_sas_hw_error { 122 u32 irq_msk; 123 u32 msk; 124 int shift; 125 const char *msg; 126 int reg; 127 const struct hisi_sas_hw_error *sub; 128 }; 129 130 struct hisi_sas_rst { 131 struct hisi_hba *hisi_hba; 132 struct completion *completion; 133 struct work_struct work; 134 bool done; 135 }; 136 137 #define HISI_SAS_RST_WORK_INIT(r, c) \ 138 { .hisi_hba = hisi_hba, \ 139 .completion = &c, \ 140 .work = __WORK_INITIALIZER(r.work, \ 141 hisi_sas_sync_rst_work_handler), \ 142 .done = false, \ 143 } 144 145 #define HISI_SAS_DECLARE_RST_WORK_ON_STACK(r) \ 146 DECLARE_COMPLETION_ONSTACK(c); \ 147 struct hisi_sas_rst r = HISI_SAS_RST_WORK_INIT(r, c) 148 149 enum hisi_sas_bit_err_type { 150 HISI_SAS_ERR_SINGLE_BIT_ECC = 0x0, 151 HISI_SAS_ERR_MULTI_BIT_ECC = 0x1, 152 }; 153 154 enum hisi_sas_phy_event { 155 HISI_PHYE_PHY_UP = 0U, 156 HISI_PHYE_LINK_RESET, 157 HISI_PHYE_PHY_UP_PM, 158 HISI_PHYES_NUM, 159 }; 160 161 struct hisi_sas_debugfs_fifo { 162 u32 signal_sel; 163 u32 dump_msk; 164 u32 dump_mode; 165 u32 trigger; 166 u32 trigger_msk; 167 u32 trigger_mode; 168 u32 rd_data[HISI_SAS_FIFO_DATA_DW_SIZE]; 169 }; 170 171 struct hisi_sas_phy { 172 struct work_struct works[HISI_PHYES_NUM]; 173 struct hisi_hba *hisi_hba; 174 struct hisi_sas_port *port; 175 struct asd_sas_phy sas_phy; 176 struct sas_identify identify; 177 struct completion *reset_completion; 178 struct timer_list timer; 179 spinlock_t lock; 180 u64 port_id; /* from hw */ 181 u64 frame_rcvd_size; 182 u8 frame_rcvd[32]; 183 u8 phy_attached; 184 u8 in_reset; 185 u8 reserved[2]; 186 u32 phy_type; 187 u32 code_violation_err_count; 188 enum sas_linkrate minimum_linkrate; 189 enum sas_linkrate maximum_linkrate; 190 int enable; 191 int wait_phyup_cnt; 192 atomic_t down_cnt; 193 194 /* Trace FIFO */ 195 struct hisi_sas_debugfs_fifo fifo; 196 }; 197 198 struct hisi_sas_port { 199 struct asd_sas_port sas_port; 200 u8 port_attached; 201 u8 id; /* from hw */ 202 }; 203 204 struct hisi_sas_cq { 205 struct hisi_hba *hisi_hba; 206 const struct cpumask *irq_mask; 207 int rd_point; 208 int id; 209 int irq_no; 210 spinlock_t poll_lock; 211 }; 212 213 struct hisi_sas_dq { 214 struct hisi_hba *hisi_hba; 215 struct list_head list; 216 spinlock_t lock; 217 int wr_point; 218 int id; 219 }; 220 221 struct hisi_sas_device { 222 struct hisi_hba *hisi_hba; 223 struct domain_device *sas_device; 224 struct completion *completion; 225 struct hisi_sas_dq *dq; 226 struct list_head list; 227 enum sas_device_type dev_type; 228 enum dev_status dev_status; 229 int device_id; 230 int sata_idx; 231 spinlock_t lock; /* For protecting slots */ 232 }; 233 234 struct hisi_sas_slot { 235 struct list_head entry; 236 struct list_head delivery; 237 struct sas_task *task; 238 struct hisi_sas_port *port; 239 u64 n_elem; 240 u64 n_elem_dif; 241 int dlvry_queue; 242 int dlvry_queue_slot; 243 int cmplt_queue; 244 int cmplt_queue_slot; 245 int abort; 246 int ready; 247 int device_id; 248 void *cmd_hdr; 249 dma_addr_t cmd_hdr_dma; 250 struct timer_list internal_abort_timer; 251 bool is_internal; 252 struct sas_tmf_task *tmf; 253 /* Do not reorder/change members after here */ 254 void *buf; 255 dma_addr_t buf_dma; 256 u16 idx; 257 }; 258 259 struct hisi_sas_iost_itct_cache { 260 u32 data[HISI_SAS_IOST_ITCT_CACHE_DW_SZ]; 261 }; 262 263 enum hisi_sas_debugfs_reg_array_member { 264 DEBUGFS_GLOBAL = 0, 265 DEBUGFS_AXI, 266 DEBUGFS_RAS, 267 DEBUGFS_REGS_NUM 268 }; 269 270 enum hisi_sas_debugfs_cache_type { 271 HISI_SAS_ITCT_CACHE, 272 HISI_SAS_IOST_CACHE, 273 }; 274 275 enum hisi_sas_debugfs_bist_ffe_cfg { 276 FFE_SAS_1_5_GBPS, 277 FFE_SAS_3_0_GBPS, 278 FFE_SAS_6_0_GBPS, 279 FFE_SAS_12_0_GBPS, 280 FFE_RESV, 281 FFE_SATA_1_5_GBPS, 282 FFE_SATA_3_0_GBPS, 283 FFE_SATA_6_0_GBPS, 284 FFE_CFG_MAX 285 }; 286 287 enum hisi_sas_debugfs_bist_fixed_code { 288 FIXED_CODE, 289 FIXED_CODE_1, 290 FIXED_CODE_MAX 291 }; 292 293 enum { 294 HISI_SAS_BIST_CODE_MODE_PRBS7, 295 HISI_SAS_BIST_CODE_MODE_PRBS23, 296 HISI_SAS_BIST_CODE_MODE_PRBS31, 297 HISI_SAS_BIST_CODE_MODE_JTPAT, 298 HISI_SAS_BIST_CODE_MODE_CJTPAT, 299 HISI_SAS_BIST_CODE_MODE_SCRAMBED_0, 300 HISI_SAS_BIST_CODE_MODE_TRAIN, 301 HISI_SAS_BIST_CODE_MODE_TRAIN_DONE, 302 HISI_SAS_BIST_CODE_MODE_HFTP, 303 HISI_SAS_BIST_CODE_MODE_MFTP, 304 HISI_SAS_BIST_CODE_MODE_LFTP, 305 HISI_SAS_BIST_CODE_MODE_FIXED_DATA, 306 }; 307 308 struct hisi_sas_hw { 309 int (*hw_init)(struct hisi_hba *hisi_hba); 310 int (*interrupt_preinit)(struct hisi_hba *hisi_hba); 311 void (*setup_itct)(struct hisi_hba *hisi_hba, 312 struct hisi_sas_device *device); 313 int (*slot_index_alloc)(struct hisi_hba *hisi_hba, 314 struct domain_device *device); 315 struct hisi_sas_device *(*alloc_dev)(struct domain_device *device); 316 void (*sl_notify_ssp)(struct hisi_hba *hisi_hba, int phy_no); 317 void (*start_delivery)(struct hisi_sas_dq *dq); 318 void (*prep_ssp)(struct hisi_hba *hisi_hba, 319 struct hisi_sas_slot *slot); 320 void (*prep_smp)(struct hisi_hba *hisi_hba, 321 struct hisi_sas_slot *slot); 322 void (*prep_stp)(struct hisi_hba *hisi_hba, 323 struct hisi_sas_slot *slot); 324 void (*prep_abort)(struct hisi_hba *hisi_hba, 325 struct hisi_sas_slot *slot); 326 void (*phys_init)(struct hisi_hba *hisi_hba); 327 void (*phy_start)(struct hisi_hba *hisi_hba, int phy_no); 328 void (*phy_disable)(struct hisi_hba *hisi_hba, int phy_no); 329 void (*phy_hard_reset)(struct hisi_hba *hisi_hba, int phy_no); 330 void (*get_events)(struct hisi_hba *hisi_hba, int phy_no); 331 void (*phy_set_linkrate)(struct hisi_hba *hisi_hba, int phy_no, 332 struct sas_phy_linkrates *linkrates); 333 enum sas_linkrate (*phy_get_max_linkrate)(void); 334 int (*clear_itct)(struct hisi_hba *hisi_hba, 335 struct hisi_sas_device *dev); 336 void (*free_device)(struct hisi_sas_device *sas_dev); 337 int (*get_wideport_bitmap)(struct hisi_hba *hisi_hba, int port_id); 338 void (*dereg_device)(struct hisi_hba *hisi_hba, 339 struct domain_device *device); 340 int (*soft_reset)(struct hisi_hba *hisi_hba); 341 u32 (*get_phys_state)(struct hisi_hba *hisi_hba); 342 int (*write_gpio)(struct hisi_hba *hisi_hba, u8 reg_type, 343 u8 reg_index, u8 reg_count, u8 *write_data); 344 void (*wait_cmds_complete_timeout)(struct hisi_hba *hisi_hba, 345 int delay_ms, int timeout_ms); 346 void (*debugfs_snapshot_regs)(struct hisi_hba *hisi_hba); 347 int complete_hdr_size; 348 const struct scsi_host_template *sht; 349 }; 350 351 #define HISI_SAS_MAX_DEBUGFS_DUMP (50) 352 353 struct hisi_sas_debugfs_cq { 354 struct hisi_sas_cq *cq; 355 void *complete_hdr; 356 }; 357 358 struct hisi_sas_debugfs_dq { 359 struct hisi_sas_dq *dq; 360 struct hisi_sas_cmd_hdr *hdr; 361 }; 362 363 struct hisi_sas_debugfs_regs { 364 struct hisi_hba *hisi_hba; 365 u32 *data; 366 }; 367 368 struct hisi_sas_debugfs_port { 369 struct hisi_sas_phy *phy; 370 u32 *data; 371 }; 372 373 struct hisi_sas_debugfs_iost { 374 struct hisi_sas_iost *iost; 375 }; 376 377 struct hisi_sas_debugfs_itct { 378 struct hisi_sas_itct *itct; 379 }; 380 381 struct hisi_sas_debugfs_iost_cache { 382 struct hisi_sas_iost_itct_cache *cache; 383 }; 384 385 struct hisi_sas_debugfs_itct_cache { 386 struct hisi_sas_iost_itct_cache *cache; 387 }; 388 389 struct hisi_hba { 390 /* This must be the first element, used by SHOST_TO_SAS_HA */ 391 struct sas_ha_struct *p; 392 393 struct platform_device *platform_dev; 394 struct pci_dev *pci_dev; 395 struct device *dev; 396 397 int prot_mask; 398 399 void __iomem *regs; 400 void __iomem *sgpio_regs; 401 struct regmap *ctrl; 402 u32 ctrl_reset_reg; 403 u32 ctrl_reset_sts_reg; 404 u32 ctrl_clock_ena_reg; 405 u32 refclk_frequency_mhz; 406 u8 sas_addr[SAS_ADDR_SIZE]; 407 408 int *irq_map; /* v2 hw */ 409 410 int n_phy; 411 spinlock_t lock; 412 struct semaphore sem; 413 414 struct timer_list timer; 415 struct workqueue_struct *wq; 416 417 int slot_index_count; 418 int last_slot_index; 419 int last_dev_id; 420 unsigned long *slot_index_tags; 421 unsigned long reject_stp_links_msk; 422 423 /* SCSI/SAS glue */ 424 struct sas_ha_struct sha; 425 struct Scsi_Host *shost; 426 427 struct hisi_sas_cq cq[HISI_SAS_MAX_QUEUES]; 428 struct hisi_sas_dq dq[HISI_SAS_MAX_QUEUES]; 429 struct hisi_sas_phy phy[HISI_SAS_MAX_PHYS]; 430 struct hisi_sas_port port[HISI_SAS_MAX_PHYS]; 431 432 int queue_count; 433 434 struct hisi_sas_device devices[HISI_SAS_MAX_DEVICES]; 435 struct hisi_sas_cmd_hdr *cmd_hdr[HISI_SAS_MAX_QUEUES]; 436 dma_addr_t cmd_hdr_dma[HISI_SAS_MAX_QUEUES]; 437 void *complete_hdr[HISI_SAS_MAX_QUEUES]; 438 dma_addr_t complete_hdr_dma[HISI_SAS_MAX_QUEUES]; 439 struct hisi_sas_initial_fis *initial_fis; 440 dma_addr_t initial_fis_dma; 441 struct hisi_sas_itct *itct; 442 dma_addr_t itct_dma; 443 struct hisi_sas_iost *iost; 444 dma_addr_t iost_dma; 445 struct hisi_sas_breakpoint *breakpoint; 446 dma_addr_t breakpoint_dma; 447 struct hisi_sas_breakpoint *sata_breakpoint; 448 dma_addr_t sata_breakpoint_dma; 449 struct hisi_sas_slot *slot_info; 450 unsigned long flags; 451 const struct hisi_sas_hw *hw; /* Low level hw interface */ 452 unsigned long sata_dev_bitmap[BITS_TO_LONGS(HISI_SAS_MAX_DEVICES)]; 453 struct work_struct rst_work; 454 struct work_struct debugfs_work; 455 u32 phy_state; 456 u32 intr_coal_ticks; /* Time of interrupt coalesce in us */ 457 u32 intr_coal_count; /* Interrupt count to coalesce */ 458 459 int cq_nvecs; 460 461 /* bist */ 462 enum sas_linkrate debugfs_bist_linkrate; 463 int debugfs_bist_code_mode; 464 int debugfs_bist_phy_no; 465 int debugfs_bist_mode; 466 u32 debugfs_bist_cnt; 467 int debugfs_bist_enable; 468 u32 debugfs_bist_ffe[HISI_SAS_MAX_PHYS][FFE_CFG_MAX]; 469 u32 debugfs_bist_fixed_code[FIXED_CODE_MAX]; 470 471 /* debugfs memories */ 472 /* Put Global AXI and RAS Register into register array */ 473 struct hisi_sas_debugfs_regs debugfs_regs[HISI_SAS_MAX_DEBUGFS_DUMP][DEBUGFS_REGS_NUM]; 474 struct hisi_sas_debugfs_port debugfs_port_reg[HISI_SAS_MAX_DEBUGFS_DUMP][HISI_SAS_MAX_PHYS]; 475 struct hisi_sas_debugfs_cq debugfs_cq[HISI_SAS_MAX_DEBUGFS_DUMP][HISI_SAS_MAX_QUEUES]; 476 struct hisi_sas_debugfs_dq debugfs_dq[HISI_SAS_MAX_DEBUGFS_DUMP][HISI_SAS_MAX_QUEUES]; 477 struct hisi_sas_debugfs_iost debugfs_iost[HISI_SAS_MAX_DEBUGFS_DUMP]; 478 struct hisi_sas_debugfs_itct debugfs_itct[HISI_SAS_MAX_DEBUGFS_DUMP]; 479 struct hisi_sas_debugfs_iost_cache debugfs_iost_cache[HISI_SAS_MAX_DEBUGFS_DUMP]; 480 struct hisi_sas_debugfs_itct_cache debugfs_itct_cache[HISI_SAS_MAX_DEBUGFS_DUMP]; 481 482 u64 debugfs_timestamp[HISI_SAS_MAX_DEBUGFS_DUMP]; 483 int debugfs_dump_index; 484 struct dentry *debugfs_dir; 485 struct dentry *debugfs_dump_dentry; 486 struct dentry *debugfs_bist_dentry; 487 struct dentry *debugfs_fifo_dentry; 488 489 int iopoll_q_cnt; 490 }; 491 492 /* Generic HW DMA host memory structures */ 493 /* Delivery queue header */ 494 struct hisi_sas_cmd_hdr { 495 /* dw0 */ 496 __le32 dw0; 497 498 /* dw1 */ 499 __le32 dw1; 500 501 /* dw2 */ 502 __le32 dw2; 503 504 /* dw3 */ 505 __le32 transfer_tags; 506 507 /* dw4 */ 508 __le32 data_transfer_len; 509 510 /* dw5 */ 511 __le32 first_burst_num; 512 513 /* dw6 */ 514 __le32 sg_len; 515 516 /* dw7 */ 517 __le32 dw7; 518 519 /* dw8-9 */ 520 __le64 cmd_table_addr; 521 522 /* dw10-11 */ 523 __le64 sts_buffer_addr; 524 525 /* dw12-13 */ 526 __le64 prd_table_addr; 527 528 /* dw14-15 */ 529 __le64 dif_prd_table_addr; 530 }; 531 532 struct hisi_sas_itct { 533 __le64 qw0; 534 __le64 sas_addr; 535 __le64 qw2; 536 __le64 qw3; 537 __le64 qw4_15[12]; 538 }; 539 540 struct hisi_sas_iost { 541 __le64 qw0; 542 __le64 qw1; 543 __le64 qw2; 544 __le64 qw3; 545 }; 546 547 struct hisi_sas_err_record { 548 u32 data[4]; 549 }; 550 551 struct hisi_sas_initial_fis { 552 struct hisi_sas_err_record err_record; 553 struct dev_to_host_fis fis; 554 u32 rsvd[3]; 555 }; 556 557 struct hisi_sas_breakpoint { 558 u8 data[128]; 559 }; 560 561 struct hisi_sas_sata_breakpoint { 562 struct hisi_sas_breakpoint tag[32]; 563 }; 564 565 struct hisi_sas_sge { 566 __le64 addr; 567 __le32 page_ctrl_0; 568 __le32 page_ctrl_1; 569 __le32 data_len; 570 __le32 data_off; 571 }; 572 573 struct hisi_sas_command_table_smp { 574 u8 bytes[44]; 575 }; 576 577 struct hisi_sas_command_table_stp { 578 struct host_to_dev_fis command_fis; 579 u8 dummy[12]; 580 u8 atapi_cdb[ATAPI_CDB_LEN]; 581 }; 582 583 #define HISI_SAS_SGE_PAGE_CNT (124) 584 struct hisi_sas_sge_page { 585 struct hisi_sas_sge sge[HISI_SAS_SGE_PAGE_CNT]; 586 } __aligned(16); 587 588 #define HISI_SAS_SGE_DIF_PAGE_CNT HISI_SAS_SGE_PAGE_CNT 589 struct hisi_sas_sge_dif_page { 590 struct hisi_sas_sge sge[HISI_SAS_SGE_DIF_PAGE_CNT]; 591 } __aligned(16); 592 593 struct hisi_sas_command_table_ssp { 594 struct ssp_frame_hdr hdr; 595 union { 596 struct { 597 struct ssp_command_iu task; 598 u32 prot[7]; 599 }; 600 struct ssp_tmf_iu ssp_task; 601 struct xfer_rdy_iu xfer_rdy; 602 struct ssp_response_iu ssp_res; 603 } u; 604 }; 605 606 union hisi_sas_command_table { 607 struct hisi_sas_command_table_ssp ssp; 608 struct hisi_sas_command_table_smp smp; 609 struct hisi_sas_command_table_stp stp; 610 } __aligned(16); 611 612 struct hisi_sas_status_buffer { 613 struct hisi_sas_err_record err; 614 u8 iu[1024]; 615 } __aligned(16); 616 617 struct hisi_sas_slot_buf_table { 618 struct hisi_sas_status_buffer status_buffer; 619 union hisi_sas_command_table command_header; 620 struct hisi_sas_sge_page sge_page; 621 }; 622 623 struct hisi_sas_slot_dif_buf_table { 624 struct hisi_sas_slot_buf_table slot_buf; 625 struct hisi_sas_sge_dif_page sge_dif_page; 626 }; 627 628 extern struct scsi_transport_template *hisi_sas_stt; 629 630 extern bool hisi_sas_debugfs_enable; 631 extern u32 hisi_sas_debugfs_dump_count; 632 extern struct dentry *hisi_sas_debugfs_dir; 633 634 extern void hisi_sas_stop_phys(struct hisi_hba *hisi_hba); 635 extern int hisi_sas_alloc(struct hisi_hba *hisi_hba); 636 extern void hisi_sas_free(struct hisi_hba *hisi_hba); 637 extern u8 hisi_sas_get_ata_protocol(struct host_to_dev_fis *fis, 638 int direction); 639 extern struct hisi_sas_port *to_hisi_sas_port(struct asd_sas_port *sas_port); 640 extern void hisi_sas_sata_done(struct sas_task *task, 641 struct hisi_sas_slot *slot); 642 extern int hisi_sas_get_fw_info(struct hisi_hba *hisi_hba); 643 extern int hisi_sas_probe(struct platform_device *pdev, 644 const struct hisi_sas_hw *ops); 645 extern int hisi_sas_remove(struct platform_device *pdev); 646 647 extern int hisi_sas_slave_configure(struct scsi_device *sdev); 648 extern int hisi_sas_slave_alloc(struct scsi_device *sdev); 649 extern int hisi_sas_scan_finished(struct Scsi_Host *shost, unsigned long time); 650 extern void hisi_sas_scan_start(struct Scsi_Host *shost); 651 extern int hisi_sas_host_reset(struct Scsi_Host *shost, int reset_type); 652 extern void hisi_sas_phy_enable(struct hisi_hba *hisi_hba, int phy_no, 653 int enable); 654 extern void hisi_sas_phy_down(struct hisi_hba *hisi_hba, int phy_no, int rdy, 655 gfp_t gfp_flags); 656 extern void hisi_sas_phy_bcast(struct hisi_sas_phy *phy); 657 extern void hisi_sas_slot_task_free(struct hisi_hba *hisi_hba, 658 struct sas_task *task, 659 struct hisi_sas_slot *slot, 660 bool need_lock); 661 extern void hisi_sas_init_mem(struct hisi_hba *hisi_hba); 662 extern void hisi_sas_rst_work_handler(struct work_struct *work); 663 extern void hisi_sas_sync_rst_work_handler(struct work_struct *work); 664 extern void hisi_sas_phy_oob_ready(struct hisi_hba *hisi_hba, int phy_no); 665 extern bool hisi_sas_notify_phy_event(struct hisi_sas_phy *phy, 666 enum hisi_sas_phy_event event); 667 extern void hisi_sas_release_tasks(struct hisi_hba *hisi_hba); 668 extern u8 hisi_sas_get_prog_phy_linkrate_mask(enum sas_linkrate max); 669 extern void hisi_sas_sync_cqs(struct hisi_hba *hisi_hba); 670 extern void hisi_sas_sync_poll_cqs(struct hisi_hba *hisi_hba); 671 extern void hisi_sas_controller_reset_prepare(struct hisi_hba *hisi_hba); 672 extern void hisi_sas_controller_reset_done(struct hisi_hba *hisi_hba); 673 #endif 674