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/async.h> 12 #include <linux/blk-mq.h> 13 #include <linux/blk-mq-pci.h> 14 #include <linux/clk.h> 15 #include <linux/debugfs.h> 16 #include <linux/dmapool.h> 17 #include <linux/iopoll.h> 18 #include <linux/irq.h> 19 #include <linux/lcm.h> 20 #include <linux/libata.h> 21 #include <linux/mfd/syscon.h> 22 #include <linux/module.h> 23 #include <linux/of_address.h> 24 #include <linux/pci.h> 25 #include <linux/platform_device.h> 26 #include <linux/pm_runtime.h> 27 #include <linux/property.h> 28 #include <linux/regmap.h> 29 #include <linux/timer.h> 30 #include <scsi/sas_ata.h> 31 #include <scsi/libsas.h> 32 33 #define HISI_SAS_MAX_PHYS 9 34 #define HISI_SAS_MAX_QUEUES 32 35 #define HISI_SAS_QUEUE_SLOTS 4096 36 #define HISI_SAS_MAX_ITCT_ENTRIES 1024 37 #define HISI_SAS_MAX_DEVICES HISI_SAS_MAX_ITCT_ENTRIES 38 #define HISI_SAS_RESETTING_BIT 0 39 #define HISI_SAS_REJECT_CMD_BIT 1 40 #define HISI_SAS_PM_BIT 2 41 #define HISI_SAS_HW_FAULT_BIT 3 42 #define HISI_SAS_MAX_COMMANDS (HISI_SAS_QUEUE_SLOTS) 43 #define HISI_SAS_RESERVED_IPTT 96 44 #define HISI_SAS_UNRESERVED_IPTT \ 45 (HISI_SAS_MAX_COMMANDS - HISI_SAS_RESERVED_IPTT) 46 47 #define HISI_SAS_IOST_ITCT_CACHE_NUM 64 48 #define HISI_SAS_IOST_ITCT_CACHE_DW_SZ 10 49 #define HISI_SAS_FIFO_DATA_DW_SIZE 32 50 51 #define HISI_SAS_STATUS_BUF_SZ (sizeof(struct hisi_sas_status_buffer)) 52 #define HISI_SAS_COMMAND_TABLE_SZ (sizeof(union hisi_sas_command_table)) 53 54 #define hisi_sas_status_buf_addr(buf) \ 55 ((buf) + offsetof(struct hisi_sas_slot_buf_table, status_buffer)) 56 #define hisi_sas_status_buf_addr_mem(slot) hisi_sas_status_buf_addr((slot)->buf) 57 #define hisi_sas_status_buf_addr_dma(slot) \ 58 hisi_sas_status_buf_addr((slot)->buf_dma) 59 60 #define hisi_sas_cmd_hdr_addr(buf) \ 61 ((buf) + offsetof(struct hisi_sas_slot_buf_table, command_header)) 62 #define hisi_sas_cmd_hdr_addr_mem(slot) hisi_sas_cmd_hdr_addr((slot)->buf) 63 #define hisi_sas_cmd_hdr_addr_dma(slot) hisi_sas_cmd_hdr_addr((slot)->buf_dma) 64 65 #define hisi_sas_sge_addr(buf) \ 66 ((buf) + offsetof(struct hisi_sas_slot_buf_table, sge_page)) 67 #define hisi_sas_sge_addr_mem(slot) hisi_sas_sge_addr((slot)->buf) 68 #define hisi_sas_sge_addr_dma(slot) hisi_sas_sge_addr((slot)->buf_dma) 69 70 #define hisi_sas_sge_dif_addr(buf) \ 71 ((buf) + offsetof(struct hisi_sas_slot_dif_buf_table, sge_dif_page)) 72 #define hisi_sas_sge_dif_addr_mem(slot) hisi_sas_sge_dif_addr((slot)->buf) 73 #define hisi_sas_sge_dif_addr_dma(slot) hisi_sas_sge_dif_addr((slot)->buf_dma) 74 75 #define HISI_SAS_MAX_SSP_RESP_SZ (sizeof(struct ssp_frame_hdr) + 1024) 76 #define HISI_SAS_MAX_SMP_RESP_SZ 1028 77 #define HISI_SAS_MAX_STP_RESP_SZ 28 78 79 #define HISI_SAS_SATA_PROTOCOL_NONDATA 0x1 80 #define HISI_SAS_SATA_PROTOCOL_PIO 0x2 81 #define HISI_SAS_SATA_PROTOCOL_DMA 0x4 82 #define HISI_SAS_SATA_PROTOCOL_FPDMA 0x8 83 #define HISI_SAS_SATA_PROTOCOL_ATAPI 0x10 84 85 #define HISI_SAS_DIF_PROT_MASK (SHOST_DIF_TYPE1_PROTECTION | \ 86 SHOST_DIF_TYPE2_PROTECTION | \ 87 SHOST_DIF_TYPE3_PROTECTION) 88 89 #define HISI_SAS_DIX_PROT_MASK (SHOST_DIX_TYPE1_PROTECTION | \ 90 SHOST_DIX_TYPE2_PROTECTION | \ 91 SHOST_DIX_TYPE3_PROTECTION) 92 93 #define HISI_SAS_PROT_MASK (HISI_SAS_DIF_PROT_MASK | HISI_SAS_DIX_PROT_MASK) 94 95 #define HISI_SAS_WAIT_PHYUP_TIMEOUT (20 * HZ) 96 #define HISI_SAS_CLEAR_ITCT_TIMEOUT (20 * HZ) 97 98 struct hisi_hba; 99 100 enum { 101 PORT_TYPE_SAS = (1U << 1), 102 PORT_TYPE_SATA = (1U << 0), 103 }; 104 105 enum dev_status { 106 HISI_SAS_DEV_INIT, 107 HISI_SAS_DEV_NORMAL, 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_PHYES_NUM, 158 }; 159 160 struct hisi_sas_debugfs_fifo { 161 u32 signal_sel; 162 u32 dump_msk; 163 u32 dump_mode; 164 u32 trigger; 165 u32 trigger_msk; 166 u32 trigger_mode; 167 u32 rd_data[HISI_SAS_FIFO_DATA_DW_SIZE]; 168 }; 169 170 struct hisi_sas_phy { 171 struct work_struct works[HISI_PHYES_NUM]; 172 struct hisi_hba *hisi_hba; 173 struct hisi_sas_port *port; 174 struct asd_sas_phy sas_phy; 175 struct sas_identify identify; 176 struct completion *reset_completion; 177 struct timer_list timer; 178 spinlock_t lock; 179 u64 port_id; /* from hw */ 180 u64 frame_rcvd_size; 181 u8 frame_rcvd[32]; 182 u8 phy_attached; 183 u8 in_reset; 184 u8 reserved[2]; 185 u32 phy_type; 186 u32 code_violation_err_count; 187 enum sas_linkrate minimum_linkrate; 188 enum sas_linkrate maximum_linkrate; 189 int enable; 190 int wait_phyup_cnt; 191 atomic_t down_cnt; 192 193 /* Trace FIFO */ 194 struct hisi_sas_debugfs_fifo fifo; 195 }; 196 197 struct hisi_sas_port { 198 struct asd_sas_port sas_port; 199 u8 port_attached; 200 u8 id; /* from hw */ 201 }; 202 203 struct hisi_sas_cq { 204 struct hisi_hba *hisi_hba; 205 const struct cpumask *irq_mask; 206 int rd_point; 207 int id; 208 int irq_no; 209 }; 210 211 struct hisi_sas_dq { 212 struct hisi_hba *hisi_hba; 213 struct list_head list; 214 spinlock_t lock; 215 int wr_point; 216 int id; 217 }; 218 219 struct hisi_sas_device { 220 struct hisi_hba *hisi_hba; 221 struct domain_device *sas_device; 222 struct completion *completion; 223 struct hisi_sas_dq *dq; 224 struct list_head list; 225 enum sas_device_type dev_type; 226 enum dev_status dev_status; 227 int device_id; 228 int sata_idx; 229 spinlock_t lock; /* For protecting slots */ 230 }; 231 232 struct hisi_sas_tmf_task { 233 int force_phy; 234 int phy_id; 235 u8 tmf; 236 u16 tag_of_task_to_be_managed; 237 }; 238 239 struct hisi_sas_slot { 240 struct list_head entry; 241 struct list_head delivery; 242 struct sas_task *task; 243 struct hisi_sas_port *port; 244 u64 n_elem; 245 u64 n_elem_dif; 246 int dlvry_queue; 247 int dlvry_queue_slot; 248 int cmplt_queue; 249 int cmplt_queue_slot; 250 int abort; 251 int ready; 252 int device_id; 253 void *cmd_hdr; 254 dma_addr_t cmd_hdr_dma; 255 struct timer_list internal_abort_timer; 256 bool is_internal; 257 struct hisi_sas_tmf_task *tmf; 258 /* Do not reorder/change members after here */ 259 void *buf; 260 dma_addr_t buf_dma; 261 u16 idx; 262 }; 263 264 struct hisi_sas_iost_itct_cache { 265 u32 data[HISI_SAS_IOST_ITCT_CACHE_DW_SZ]; 266 }; 267 268 enum hisi_sas_debugfs_reg_array_member { 269 DEBUGFS_GLOBAL = 0, 270 DEBUGFS_AXI, 271 DEBUGFS_RAS, 272 DEBUGFS_REGS_NUM 273 }; 274 275 enum hisi_sas_debugfs_cache_type { 276 HISI_SAS_ITCT_CACHE, 277 HISI_SAS_IOST_CACHE, 278 }; 279 280 enum hisi_sas_debugfs_bist_ffe_cfg { 281 FFE_SAS_1_5_GBPS, 282 FFE_SAS_3_0_GBPS, 283 FFE_SAS_6_0_GBPS, 284 FFE_SAS_12_0_GBPS, 285 FFE_RESV, 286 FFE_SATA_1_5_GBPS, 287 FFE_SATA_3_0_GBPS, 288 FFE_SATA_6_0_GBPS, 289 FFE_CFG_MAX 290 }; 291 292 enum hisi_sas_debugfs_bist_fixed_code { 293 FIXED_CODE, 294 FIXED_CODE_1, 295 FIXED_CODE_MAX 296 }; 297 298 enum { 299 HISI_SAS_BIST_CODE_MODE_PRBS7, 300 HISI_SAS_BIST_CODE_MODE_PRBS23, 301 HISI_SAS_BIST_CODE_MODE_PRBS31, 302 HISI_SAS_BIST_CODE_MODE_JTPAT, 303 HISI_SAS_BIST_CODE_MODE_CJTPAT, 304 HISI_SAS_BIST_CODE_MODE_SCRAMBED_0, 305 HISI_SAS_BIST_CODE_MODE_TRAIN, 306 HISI_SAS_BIST_CODE_MODE_TRAIN_DONE, 307 HISI_SAS_BIST_CODE_MODE_HFTP, 308 HISI_SAS_BIST_CODE_MODE_MFTP, 309 HISI_SAS_BIST_CODE_MODE_LFTP, 310 HISI_SAS_BIST_CODE_MODE_FIXED_DATA, 311 }; 312 313 struct hisi_sas_hw { 314 int (*hw_init)(struct hisi_hba *hisi_hba); 315 int (*interrupt_preinit)(struct hisi_hba *hisi_hba); 316 void (*setup_itct)(struct hisi_hba *hisi_hba, 317 struct hisi_sas_device *device); 318 int (*slot_index_alloc)(struct hisi_hba *hisi_hba, 319 struct domain_device *device); 320 struct hisi_sas_device *(*alloc_dev)(struct domain_device *device); 321 void (*sl_notify_ssp)(struct hisi_hba *hisi_hba, int phy_no); 322 void (*start_delivery)(struct hisi_sas_dq *dq); 323 void (*prep_ssp)(struct hisi_hba *hisi_hba, 324 struct hisi_sas_slot *slot); 325 void (*prep_smp)(struct hisi_hba *hisi_hba, 326 struct hisi_sas_slot *slot); 327 void (*prep_stp)(struct hisi_hba *hisi_hba, 328 struct hisi_sas_slot *slot); 329 void (*prep_abort)(struct hisi_hba *hisi_hba, 330 struct hisi_sas_slot *slot, 331 int device_id, int abort_flag, int tag_to_abort); 332 void (*phys_init)(struct hisi_hba *hisi_hba); 333 void (*phy_start)(struct hisi_hba *hisi_hba, int phy_no); 334 void (*phy_disable)(struct hisi_hba *hisi_hba, int phy_no); 335 void (*phy_hard_reset)(struct hisi_hba *hisi_hba, int phy_no); 336 void (*get_events)(struct hisi_hba *hisi_hba, int phy_no); 337 void (*phy_set_linkrate)(struct hisi_hba *hisi_hba, int phy_no, 338 struct sas_phy_linkrates *linkrates); 339 enum sas_linkrate (*phy_get_max_linkrate)(void); 340 int (*clear_itct)(struct hisi_hba *hisi_hba, 341 struct hisi_sas_device *dev); 342 void (*free_device)(struct hisi_sas_device *sas_dev); 343 int (*get_wideport_bitmap)(struct hisi_hba *hisi_hba, int port_id); 344 void (*dereg_device)(struct hisi_hba *hisi_hba, 345 struct domain_device *device); 346 int (*soft_reset)(struct hisi_hba *hisi_hba); 347 u32 (*get_phys_state)(struct hisi_hba *hisi_hba); 348 int (*write_gpio)(struct hisi_hba *hisi_hba, u8 reg_type, 349 u8 reg_index, u8 reg_count, u8 *write_data); 350 void (*wait_cmds_complete_timeout)(struct hisi_hba *hisi_hba, 351 int delay_ms, int timeout_ms); 352 void (*debugfs_snapshot_regs)(struct hisi_hba *hisi_hba); 353 int complete_hdr_size; 354 struct scsi_host_template *sht; 355 }; 356 357 #define HISI_SAS_MAX_DEBUGFS_DUMP (50) 358 359 struct hisi_sas_debugfs_cq { 360 struct hisi_sas_cq *cq; 361 void *complete_hdr; 362 }; 363 364 struct hisi_sas_debugfs_dq { 365 struct hisi_sas_dq *dq; 366 struct hisi_sas_cmd_hdr *hdr; 367 }; 368 369 struct hisi_sas_debugfs_regs { 370 struct hisi_hba *hisi_hba; 371 u32 *data; 372 }; 373 374 struct hisi_sas_debugfs_port { 375 struct hisi_sas_phy *phy; 376 u32 *data; 377 }; 378 379 struct hisi_sas_debugfs_iost { 380 struct hisi_sas_iost *iost; 381 }; 382 383 struct hisi_sas_debugfs_itct { 384 struct hisi_sas_itct *itct; 385 }; 386 387 struct hisi_sas_debugfs_iost_cache { 388 struct hisi_sas_iost_itct_cache *cache; 389 }; 390 391 struct hisi_sas_debugfs_itct_cache { 392 struct hisi_sas_iost_itct_cache *cache; 393 }; 394 395 struct hisi_hba { 396 /* This must be the first element, used by SHOST_TO_SAS_HA */ 397 struct sas_ha_struct *p; 398 399 struct platform_device *platform_dev; 400 struct pci_dev *pci_dev; 401 struct device *dev; 402 403 int prot_mask; 404 405 void __iomem *regs; 406 void __iomem *sgpio_regs; 407 struct regmap *ctrl; 408 u32 ctrl_reset_reg; 409 u32 ctrl_reset_sts_reg; 410 u32 ctrl_clock_ena_reg; 411 u32 refclk_frequency_mhz; 412 u8 sas_addr[SAS_ADDR_SIZE]; 413 414 int *irq_map; /* v2 hw */ 415 416 int n_phy; 417 spinlock_t lock; 418 struct semaphore sem; 419 420 struct timer_list timer; 421 struct workqueue_struct *wq; 422 423 int slot_index_count; 424 int last_slot_index; 425 int last_dev_id; 426 unsigned long *slot_index_tags; 427 unsigned long reject_stp_links_msk; 428 429 /* SCSI/SAS glue */ 430 struct sas_ha_struct sha; 431 struct Scsi_Host *shost; 432 433 struct hisi_sas_cq cq[HISI_SAS_MAX_QUEUES]; 434 struct hisi_sas_dq dq[HISI_SAS_MAX_QUEUES]; 435 struct hisi_sas_phy phy[HISI_SAS_MAX_PHYS]; 436 struct hisi_sas_port port[HISI_SAS_MAX_PHYS]; 437 438 int queue_count; 439 440 struct hisi_sas_device devices[HISI_SAS_MAX_DEVICES]; 441 struct hisi_sas_cmd_hdr *cmd_hdr[HISI_SAS_MAX_QUEUES]; 442 dma_addr_t cmd_hdr_dma[HISI_SAS_MAX_QUEUES]; 443 void *complete_hdr[HISI_SAS_MAX_QUEUES]; 444 dma_addr_t complete_hdr_dma[HISI_SAS_MAX_QUEUES]; 445 struct hisi_sas_initial_fis *initial_fis; 446 dma_addr_t initial_fis_dma; 447 struct hisi_sas_itct *itct; 448 dma_addr_t itct_dma; 449 struct hisi_sas_iost *iost; 450 dma_addr_t iost_dma; 451 struct hisi_sas_breakpoint *breakpoint; 452 dma_addr_t breakpoint_dma; 453 struct hisi_sas_breakpoint *sata_breakpoint; 454 dma_addr_t sata_breakpoint_dma; 455 struct hisi_sas_slot *slot_info; 456 unsigned long flags; 457 const struct hisi_sas_hw *hw; /* Low level hw interface */ 458 unsigned long sata_dev_bitmap[BITS_TO_LONGS(HISI_SAS_MAX_DEVICES)]; 459 struct work_struct rst_work; 460 struct work_struct debugfs_work; 461 u32 phy_state; 462 u32 intr_coal_ticks; /* Time of interrupt coalesce in us */ 463 u32 intr_coal_count; /* Interrupt count to coalesce */ 464 465 int cq_nvecs; 466 467 /* bist */ 468 enum sas_linkrate debugfs_bist_linkrate; 469 int debugfs_bist_code_mode; 470 int debugfs_bist_phy_no; 471 int debugfs_bist_mode; 472 u32 debugfs_bist_cnt; 473 int debugfs_bist_enable; 474 u32 debugfs_bist_ffe[HISI_SAS_MAX_PHYS][FFE_CFG_MAX]; 475 u32 debugfs_bist_fixed_code[FIXED_CODE_MAX]; 476 477 /* debugfs memories */ 478 /* Put Global AXI and RAS Register into register array */ 479 struct hisi_sas_debugfs_regs debugfs_regs[HISI_SAS_MAX_DEBUGFS_DUMP][DEBUGFS_REGS_NUM]; 480 struct hisi_sas_debugfs_port debugfs_port_reg[HISI_SAS_MAX_DEBUGFS_DUMP][HISI_SAS_MAX_PHYS]; 481 struct hisi_sas_debugfs_cq debugfs_cq[HISI_SAS_MAX_DEBUGFS_DUMP][HISI_SAS_MAX_QUEUES]; 482 struct hisi_sas_debugfs_dq debugfs_dq[HISI_SAS_MAX_DEBUGFS_DUMP][HISI_SAS_MAX_QUEUES]; 483 struct hisi_sas_debugfs_iost debugfs_iost[HISI_SAS_MAX_DEBUGFS_DUMP]; 484 struct hisi_sas_debugfs_itct debugfs_itct[HISI_SAS_MAX_DEBUGFS_DUMP]; 485 struct hisi_sas_debugfs_iost_cache debugfs_iost_cache[HISI_SAS_MAX_DEBUGFS_DUMP]; 486 struct hisi_sas_debugfs_itct_cache debugfs_itct_cache[HISI_SAS_MAX_DEBUGFS_DUMP]; 487 488 u64 debugfs_timestamp[HISI_SAS_MAX_DEBUGFS_DUMP]; 489 int debugfs_dump_index; 490 struct dentry *debugfs_dir; 491 struct dentry *debugfs_dump_dentry; 492 struct dentry *debugfs_bist_dentry; 493 struct dentry *debugfs_fifo_dentry; 494 }; 495 496 /* Generic HW DMA host memory structures */ 497 /* Delivery queue header */ 498 struct hisi_sas_cmd_hdr { 499 /* dw0 */ 500 __le32 dw0; 501 502 /* dw1 */ 503 __le32 dw1; 504 505 /* dw2 */ 506 __le32 dw2; 507 508 /* dw3 */ 509 __le32 transfer_tags; 510 511 /* dw4 */ 512 __le32 data_transfer_len; 513 514 /* dw5 */ 515 __le32 first_burst_num; 516 517 /* dw6 */ 518 __le32 sg_len; 519 520 /* dw7 */ 521 __le32 dw7; 522 523 /* dw8-9 */ 524 __le64 cmd_table_addr; 525 526 /* dw10-11 */ 527 __le64 sts_buffer_addr; 528 529 /* dw12-13 */ 530 __le64 prd_table_addr; 531 532 /* dw14-15 */ 533 __le64 dif_prd_table_addr; 534 }; 535 536 struct hisi_sas_itct { 537 __le64 qw0; 538 __le64 sas_addr; 539 __le64 qw2; 540 __le64 qw3; 541 __le64 qw4_15[12]; 542 }; 543 544 struct hisi_sas_iost { 545 __le64 qw0; 546 __le64 qw1; 547 __le64 qw2; 548 __le64 qw3; 549 }; 550 551 struct hisi_sas_err_record { 552 u32 data[4]; 553 }; 554 555 struct hisi_sas_initial_fis { 556 struct hisi_sas_err_record err_record; 557 struct dev_to_host_fis fis; 558 u32 rsvd[3]; 559 }; 560 561 struct hisi_sas_breakpoint { 562 u8 data[128]; 563 }; 564 565 struct hisi_sas_sata_breakpoint { 566 struct hisi_sas_breakpoint tag[32]; 567 }; 568 569 struct hisi_sas_sge { 570 __le64 addr; 571 __le32 page_ctrl_0; 572 __le32 page_ctrl_1; 573 __le32 data_len; 574 __le32 data_off; 575 }; 576 577 struct hisi_sas_command_table_smp { 578 u8 bytes[44]; 579 }; 580 581 struct hisi_sas_command_table_stp { 582 struct host_to_dev_fis command_fis; 583 u8 dummy[12]; 584 u8 atapi_cdb[ATAPI_CDB_LEN]; 585 }; 586 587 #define HISI_SAS_SGE_PAGE_CNT (124) 588 struct hisi_sas_sge_page { 589 struct hisi_sas_sge sge[HISI_SAS_SGE_PAGE_CNT]; 590 } __aligned(16); 591 592 #define HISI_SAS_SGE_DIF_PAGE_CNT HISI_SAS_SGE_PAGE_CNT 593 struct hisi_sas_sge_dif_page { 594 struct hisi_sas_sge sge[HISI_SAS_SGE_DIF_PAGE_CNT]; 595 } __aligned(16); 596 597 struct hisi_sas_command_table_ssp { 598 struct ssp_frame_hdr hdr; 599 union { 600 struct { 601 struct ssp_command_iu task; 602 u32 prot[7]; 603 }; 604 struct ssp_tmf_iu ssp_task; 605 struct xfer_rdy_iu xfer_rdy; 606 struct ssp_response_iu ssp_res; 607 } u; 608 }; 609 610 union hisi_sas_command_table { 611 struct hisi_sas_command_table_ssp ssp; 612 struct hisi_sas_command_table_smp smp; 613 struct hisi_sas_command_table_stp stp; 614 } __aligned(16); 615 616 struct hisi_sas_status_buffer { 617 struct hisi_sas_err_record err; 618 u8 iu[1024]; 619 } __aligned(16); 620 621 struct hisi_sas_slot_buf_table { 622 struct hisi_sas_status_buffer status_buffer; 623 union hisi_sas_command_table command_header; 624 struct hisi_sas_sge_page sge_page; 625 }; 626 627 struct hisi_sas_slot_dif_buf_table { 628 struct hisi_sas_slot_buf_table slot_buf; 629 struct hisi_sas_sge_dif_page sge_dif_page; 630 }; 631 632 extern struct scsi_transport_template *hisi_sas_stt; 633 634 extern bool hisi_sas_debugfs_enable; 635 extern u32 hisi_sas_debugfs_dump_count; 636 extern struct dentry *hisi_sas_debugfs_dir; 637 638 extern void hisi_sas_stop_phys(struct hisi_hba *hisi_hba); 639 extern int hisi_sas_alloc(struct hisi_hba *hisi_hba); 640 extern void hisi_sas_free(struct hisi_hba *hisi_hba); 641 extern u8 hisi_sas_get_ata_protocol(struct host_to_dev_fis *fis, 642 int direction); 643 extern struct hisi_sas_port *to_hisi_sas_port(struct asd_sas_port *sas_port); 644 extern void hisi_sas_sata_done(struct sas_task *task, 645 struct hisi_sas_slot *slot); 646 extern int hisi_sas_get_fw_info(struct hisi_hba *hisi_hba); 647 extern int hisi_sas_probe(struct platform_device *pdev, 648 const struct hisi_sas_hw *ops); 649 extern int hisi_sas_remove(struct platform_device *pdev); 650 651 extern int hisi_sas_slave_configure(struct scsi_device *sdev); 652 extern int hisi_sas_slave_alloc(struct scsi_device *sdev); 653 extern int hisi_sas_scan_finished(struct Scsi_Host *shost, unsigned long time); 654 extern void hisi_sas_scan_start(struct Scsi_Host *shost); 655 extern int hisi_sas_host_reset(struct Scsi_Host *shost, int reset_type); 656 extern void hisi_sas_phy_enable(struct hisi_hba *hisi_hba, int phy_no, 657 int enable); 658 extern void hisi_sas_phy_down(struct hisi_hba *hisi_hba, int phy_no, int rdy, 659 gfp_t gfp_flags); 660 extern void hisi_sas_slot_task_free(struct hisi_hba *hisi_hba, 661 struct sas_task *task, 662 struct hisi_sas_slot *slot); 663 extern void hisi_sas_init_mem(struct hisi_hba *hisi_hba); 664 extern void hisi_sas_rst_work_handler(struct work_struct *work); 665 extern void hisi_sas_sync_rst_work_handler(struct work_struct *work); 666 extern void hisi_sas_sync_irqs(struct hisi_hba *hisi_hba); 667 extern void hisi_sas_phy_oob_ready(struct hisi_hba *hisi_hba, int phy_no); 668 extern bool hisi_sas_notify_phy_event(struct hisi_sas_phy *phy, 669 enum hisi_sas_phy_event event); 670 extern void hisi_sas_release_tasks(struct hisi_hba *hisi_hba); 671 extern u8 hisi_sas_get_prog_phy_linkrate_mask(enum sas_linkrate max); 672 extern void hisi_sas_controller_reset_prepare(struct hisi_hba *hisi_hba); 673 extern void hisi_sas_controller_reset_done(struct hisi_hba *hisi_hba); 674 #endif 675