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Merge patch series "lpfc: Update lpfc to revision 14.2.0.15"
[linux-2.6-block.git] / drivers / scsi / hisi_sas / hisi_sas.h
CommitLineData
2874c5fd 1/* SPDX-License-Identifier: GPL-2.0-or-later */
e8899fad
JG		 2/*
3 * Copyright (c) 2015 Linaro Ltd.
4 * Copyright (c) 2015 Hisilicon Limited.
e8899fad
JG		 5 */
6
7#ifndef _HISI_SAS_H_
8#define _HISI_SAS_H_
9
4d558c77 10#include <linux/acpi.h>
8d98416a
JG		 11#include <linux/blk-mq.h>
12#include <linux/blk-mq-pci.h>
3bc45af8 13#include <linux/clk.h>
ef63464b 14#include <linux/debugfs.h>
e8899fad 15#include <linux/dmapool.h>
a25d0d3d 16#include <linux/iopoll.h>
74a29219 17#include <linux/irq.h>
2ba5afb6 18#include <linux/lcm.h>
57dbb2b2 19#include <linux/libata.h>
e8899fad
JG		 20#include <linux/mfd/syscon.h>
21#include <linux/module.h>
22#include <linux/of_address.h>
11b75249 23#include <linux/pci.h>
e8899fad 24#include <linux/platform_device.h>
65ff4aef 25#include <linux/pm_runtime.h>
4d558c77 26#include <linux/property.h>
e8899fad 27#include <linux/regmap.h>
d28ed83b 28#include <linux/timer.h>
6f2ff1a1 29#include <scsi/sas_ata.h>
e8899fad
JG		 30#include <scsi/libsas.h>
31
7eb7869f 32#define HISI_SAS_MAX_PHYS 9
6be6de18 33#define HISI_SAS_MAX_QUEUES 32
1273d65f 34#define HISI_SAS_QUEUE_SLOTS 4096
3297ded1 35#define HISI_SAS_MAX_ITCT_ENTRIES 1024
7eb7869f 36#define HISI_SAS_MAX_DEVICES HISI_SAS_MAX_ITCT_ENTRIES
b5a9fa20 37#define HISI_SAS_RESETTING_BIT 0
917d3bda 38#define HISI_SAS_REJECT_CMD_BIT 1
65ff4aef 39#define HISI_SAS_PM_BIT 2
e8a4d0da 40#define HISI_SAS_HW_FAULT_BIT 3
93352abc
JG		 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)
7eb7869f 45
bbe0a7b3
LJ		 46#define HISI_SAS_IOST_ITCT_CACHE_NUM 64
47#define HISI_SAS_IOST_ITCT_CACHE_DW_SZ 10
cd96fe60 48#define HISI_SAS_FIFO_DATA_DW_SIZE 32
bbe0a7b3 49
f557e32c
XT		 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) \
b3cce125
XC		 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)
f557e32c 56#define hisi_sas_status_buf_addr_dma(slot) \
b3cce125 57 hisi_sas_status_buf_addr((slot)->buf_dma)
f557e32c
XT		 58
59#define hisi_sas_cmd_hdr_addr(buf) \
b3cce125
XC		 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)
f557e32c
XT		 63
64#define hisi_sas_sge_addr(buf) \
b3cce125
XC		 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)
6be6de18 73
42e7a693 74#define HISI_SAS_MAX_SSP_RESP_SZ (sizeof(struct ssp_frame_hdr) + 1024)
66ee999b 75#define HISI_SAS_MAX_SMP_RESP_SZ 1028
6f2ff1a1 76#define HISI_SAS_MAX_STP_RESP_SZ 28
42e7a693 77
6c7bb8a1
XC		 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
d6a9000b
XC		 84#define HISI_SAS_DIF_PROT_MASK (SHOST_DIF_TYPE1_PROTECTION | \
85 SHOST_DIF_TYPE2_PROTECTION | \
86 SHOST_DIF_TYPE3_PROTECTION)
87
b3cce125
XC		 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)
d6a9000b 93
512623de 94#define HISI_SAS_WAIT_PHYUP_TIMEOUT (30 * HZ)
2f12a499 95#define HISI_SAS_CLEAR_ITCT_TIMEOUT (20 * HZ)
b6c9b15e 96
abda97c2 97struct hisi_hba;
af740dbe 98
07d78592
JG		 99enum {
100 PORT_TYPE_SAS = (1U << 1),
101 PORT_TYPE_SATA = (1U << 0),
102};
103
57dbb2b2
XC		 104enum dev_status {
105 HISI_SAS_DEV_INIT,
106 HISI_SAS_DEV_NORMAL,
930d97da 107 HISI_SAS_DEV_NCQ_ERR,
57dbb2b2
XC		 108};
109
441c2740
JG		 110enum {
111 HISI_SAS_INT_ABT_CMD = 0,
112 HISI_SAS_INT_ABT_DEV = 1,
113};
114
abda97c2
JG		 115enum 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
2b383351
JG		 121struct hisi_sas_hw_error {
122 u32 irq_msk;
123 u32 msk;
124 int shift;
125 const char *msg;
126 int reg;
729428ca 127 const struct hisi_sas_hw_error *sub;
2b383351
JG		 128};
129
e402acdb
XT		 130struct 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); \
e402acdb
XT		 147 struct hisi_sas_rst r = HISI_SAS_RST_WORK_INIT(r, c)
148
149enum hisi_sas_bit_err_type {
150 HISI_SAS_ERR_SINGLE_BIT_ECC = 0x0,
151 HISI_SAS_ERR_MULTI_BIT_ECC = 0x1,
152};
153
e537b62b
XT		 154enum hisi_sas_phy_event {
155 HISI_PHYE_PHY_UP = 0U,
057c3d1f 156 HISI_PHYE_LINK_RESET,
ae9b69e8 157 HISI_PHYE_PHY_UP_PM,
e537b62b
XT		 158 HISI_PHYES_NUM,
159};
160
cd96fe60
LJ		 161struct 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
7eb7869f 171struct hisi_sas_phy {
e537b62b 172 struct work_struct works[HISI_PHYES_NUM];
976867e6
JG		 173 struct hisi_hba *hisi_hba;
174 struct hisi_sas_port *port;
7eb7869f 175 struct asd_sas_phy sas_phy;
976867e6 176 struct sas_identify identify;
3e1fb1b8 177 struct completion *reset_completion;
b6c9b15e 178 struct timer_list timer;
3e1fb1b8 179 spinlock_t lock;
976867e6 180 u64 port_id; /* from hw */
976867e6
JG		 181 u64 frame_rcvd_size;
182 u8 frame_rcvd[32];
183 u8 phy_attached;
3e1fb1b8
XC		 184 u8 in_reset;
185 u8 reserved[2];
d0ef10c9 186 u32 phy_type;
aaeb8232 187 u32 code_violation_err_count;
976867e6
JG		 188 enum sas_linkrate minimum_linkrate;
189 enum sas_linkrate maximum_linkrate;
c63b88cc 190 int enable;
366da0da 191 int wait_phyup_cnt;
f873b661 192 atomic_t down_cnt;
cd96fe60
LJ		 193
194 /* Trace FIFO */
195 struct hisi_sas_debugfs_fifo fifo;
7eb7869f
JG		 196};
197
198struct hisi_sas_port {
199 struct asd_sas_port sas_port;
976867e6
JG		 200 u8 port_attached;
201 u8 id; /* from hw */
7eb7869f
JG		 202};
203
9101a079
JG		 204struct hisi_sas_cq {
205 struct hisi_hba *hisi_hba;
11e67320 206 const struct cpumask *irq_mask;
e6c346f3 207 int rd_point;
9101a079 208 int id;
81f338e9 209 int irq_no;
0e47effa 210 spinlock_t poll_lock;
9101a079
JG		 211};
212
4fde02ad
JG		 213struct hisi_sas_dq {
214 struct hisi_hba *hisi_hba;
fa222db0 215 struct list_head list;
b1a49412 216 spinlock_t lock;
4fde02ad
JG		 217 int wr_point;
218 int id;
219};
220
af740dbe 221struct hisi_sas_device {
abda97c2
JG		 222 struct hisi_hba *hisi_hba;
223 struct domain_device *sas_device;
640acc9a 224 struct completion *completion;
b1a49412 225 struct hisi_sas_dq *dq;
ad604832 226 struct list_head list;
ad604832 227 enum sas_device_type dev_type;
57dbb2b2 228 enum dev_status dev_status;
ad604832 229 int device_id;
32ccba52 230 int sata_idx;
4fefe5bb 231 spinlock_t lock; /* For protecting slots */
af740dbe
JG		 232};
233
6be6de18 234struct hisi_sas_slot {
42e7a693 235 struct list_head entry;
fa222db0 236 struct list_head delivery;
42e7a693
JG		 237 struct sas_task *task;
238 struct hisi_sas_port *port;
239 u64 n_elem;
b3cce125 240 u64 n_elem_dif;
42e7a693
JG		 241 int dlvry_queue;
242 int dlvry_queue_slot;
27a3f229
JG		 243 int cmplt_queue;
244 int cmplt_queue_slot;
cac9b2a2 245 int abort;
fa222db0 246 int ready;
4fefe5bb 247 int device_id;
42e7a693
JG		 248 void *cmd_hdr;
249 dma_addr_t cmd_hdr_dma;
0844a3ff 250 struct timer_list internal_abort_timer;
cd938e53 251 bool is_internal;
bbfe82cd 252 struct sas_tmf_task *tmf;
2ba5afb6
XC		 253 /* Do not reorder/change members after here */
254 void *buf;
255 dma_addr_t buf_dma;
735bcc77 256 u16 idx;
6be6de18
JG		 257};
258
bbe0a7b3
LJ		 259struct hisi_sas_iost_itct_cache {
260 u32 data[HISI_SAS_IOST_ITCT_CACHE_DW_SZ];
261};
262
b0b3e429
LJ		 263enum hisi_sas_debugfs_reg_array_member {
264 DEBUGFS_GLOBAL = 0,
265 DEBUGFS_AXI,
266 DEBUGFS_RAS,
267 DEBUGFS_REGS_NUM
268};
269
bbe0a7b3
LJ		 270enum hisi_sas_debugfs_cache_type {
271 HISI_SAS_ITCT_CACHE,
272 HISI_SAS_IOST_CACHE,
273};
274
2c4d5823
LJ		 275enum 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
981cc23e
LJ		 287enum hisi_sas_debugfs_bist_fixed_code {
288 FIXED_CODE,
289 FIXED_CODE_1,
290 FIXED_CODE_MAX
291};
292
293enum {
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
7eb7869f 308struct hisi_sas_hw {
8ff1d571 309 int (*hw_init)(struct hisi_hba *hisi_hba);
74a29219 310 int (*interrupt_preinit)(struct hisi_hba *hisi_hba);
abda97c2
JG		 311 void (*setup_itct)(struct hisi_hba *hisi_hba,
312 struct hisi_sas_device *device);
784b46b7 313 int (*slot_index_alloc)(struct hisi_hba *hisi_hba,
685b6d6e
JG		 314 struct domain_device *device);
315 struct hisi_sas_device *(*alloc_dev)(struct domain_device *device);
569eddcf 316 void (*sl_notify_ssp)(struct hisi_hba *hisi_hba, int phy_no);
b1a49412 317 void (*start_delivery)(struct hisi_sas_dq *dq);
a2b3820b 318 void (*prep_ssp)(struct hisi_hba *hisi_hba,
78bd2b4f 319 struct hisi_sas_slot *slot);
a2b3820b 320 void (*prep_smp)(struct hisi_hba *hisi_hba,
66ee999b 321 struct hisi_sas_slot *slot);
a2b3820b 322 void (*prep_stp)(struct hisi_hba *hisi_hba,
6f2ff1a1 323 struct hisi_sas_slot *slot);
a2b3820b 324 void (*prep_abort)(struct hisi_hba *hisi_hba,
095478a6 325 struct hisi_sas_slot *slot);
396b8044 326 void (*phys_init)(struct hisi_hba *hisi_hba);
1eb8eeac 327 void (*phy_start)(struct hisi_hba *hisi_hba, int phy_no);
e4189d53
JG		 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);
c52108c6 330 void (*get_events)(struct hisi_hba *hisi_hba, int phy_no);
2ae75787
XC		 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);
8fa9a7bd
XC		 334 int (*clear_itct)(struct hisi_hba *hisi_hba,
335 struct hisi_sas_device *dev);
0258141a 336 void (*free_device)(struct hisi_sas_device *sas_dev);
184a4635 337 int (*get_wideport_bitmap)(struct hisi_hba *hisi_hba, int port_id);
d30ff263
XC		 338 void (*dereg_device)(struct hisi_hba *hisi_hba,
339 struct domain_device *device);
06ec0fb9 340 int (*soft_reset)(struct hisi_hba *hisi_hba);
917d3bda 341 u32 (*get_phys_state)(struct hisi_hba *hisi_hba);
6379c560
XT		 342 int (*write_gpio)(struct hisi_hba *hisi_hba, u8 reg_type,
343 u8 reg_index, u8 reg_count, u8 *write_data);
4bc05809
LJ		 344 void (*wait_cmds_complete_timeout)(struct hisi_hba *hisi_hba,
345 int delay_ms, int timeout_ms);
63f0733d 346 int (*debugfs_snapshot_regs)(struct hisi_hba *hisi_hba);
6be6de18 347 int complete_hdr_size;
e8c0ced9 348 const struct scsi_host_template *sht;
7eb7869f
JG		 349};
350
a70e33ea
LJ		 351#define HISI_SAS_MAX_DEBUGFS_DUMP (50)
352
35ea630b
LJ		 353struct hisi_sas_debugfs_cq {
354 struct hisi_sas_cq *cq;
355 void *complete_hdr;
356};
357
1b54c4db
LJ		 358struct hisi_sas_debugfs_dq {
359 struct hisi_sas_dq *dq;
360 struct hisi_sas_cmd_hdr *hdr;
361};
362
c6116398
LJ		 363struct hisi_sas_debugfs_regs {
364 struct hisi_hba *hisi_hba;
365 u32 *data;
366};
367
1f66e1fd
LJ		 368struct hisi_sas_debugfs_port {
369 struct hisi_sas_phy *phy;
370 u32 *data;
371};
372
e15f2e2d
LJ		 373struct hisi_sas_debugfs_iost {
374 struct hisi_sas_iost *iost;
375};
376
0161d55f
LJ		 377struct hisi_sas_debugfs_itct {
378 struct hisi_sas_itct *itct;
379};
380
b714dd8f
LJ		 381struct hisi_sas_debugfs_iost_cache {
382 struct hisi_sas_iost_itct_cache *cache;
383};
384
357e4fc7
LJ		 385struct hisi_sas_debugfs_itct_cache {
386 struct hisi_sas_iost_itct_cache *cache;
387};
388
7eb7869f
JG		 389struct hisi_hba {
390 /* This must be the first element, used by SHOST_TO_SAS_HA */
391 struct sas_ha_struct *p;
392
11b75249
JG		 393 struct platform_device *platform_dev;
394 struct pci_dev *pci_dev;
395 struct device *dev;
396
d6a9000b
XC		 397 int prot_mask;
398
e26b2f40 399 void __iomem *regs;
6379c560 400 void __iomem *sgpio_regs;
e26b2f40
JG		 401 struct regmap *ctrl;
402 u32 ctrl_reset_reg;
403 u32 ctrl_reset_sts_reg;
404 u32 ctrl_clock_ena_reg;
3bc45af8 405 u32 refclk_frequency_mhz;
7eb7869f
JG		 406 u8 sas_addr[SAS_ADDR_SIZE];
407
74a29219
JG		 408 int *irq_map; /* v2 hw */
409
7eb7869f 410 int n_phy;
fa42d80d 411 spinlock_t lock;
d2fc401e 412 struct semaphore sem;
7eb7869f 413
fa42d80d 414 struct timer_list timer;
7e9080e1 415 struct workqueue_struct *wq;
257efd1f
JG		 416
417 int slot_index_count;
fa3be0f2 418 int last_slot_index;
1b865185 419 int last_dev_id;
257efd1f 420 unsigned long *slot_index_tags;
c7b9d369 421 unsigned long reject_stp_links_msk;
257efd1f 422
7eb7869f
JG		 423 /* SCSI/SAS glue */
424 struct sas_ha_struct sha;
425 struct Scsi_Host *shost;
9101a079
JG		 426
427 struct hisi_sas_cq cq[HISI_SAS_MAX_QUEUES];
4fde02ad 428 struct hisi_sas_dq dq[HISI_SAS_MAX_QUEUES];
7eb7869f
JG		 429 struct hisi_sas_phy phy[HISI_SAS_MAX_PHYS];
430 struct hisi_sas_port port[HISI_SAS_MAX_PHYS];
e26b2f40
JG		 431
432 int queue_count;
6be6de18 433
af740dbe 434 struct hisi_sas_device devices[HISI_SAS_MAX_DEVICES];
6be6de18
JG		 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;
06ec0fb9 450 unsigned long flags;
7eb7869f 451 const struct hisi_sas_hw *hw; /* Low level hw interface */
32ccba52 452 unsigned long sata_dev_bitmap[BITS_TO_LONGS(HISI_SAS_MAX_DEVICES)];
06ec0fb9 453 struct work_struct rst_work;
4522204a 454 u32 phy_state;
37359798
XC		 455 u32 intr_coal_ticks; /* Time of interrupt coalesce in us */
456 u32 intr_coal_count; /* Interrupt count to coalesce */
ef63464b 457
795f25a3
JG		 458 int cq_nvecs;
459
97b151e7
XC		 460 /* bist */
461 enum sas_linkrate debugfs_bist_linkrate;
462 int debugfs_bist_code_mode;
463 int debugfs_bist_phy_no;
464 int debugfs_bist_mode;
465 u32 debugfs_bist_cnt;
466 int debugfs_bist_enable;
2c4d5823 467 u32 debugfs_bist_ffe[HISI_SAS_MAX_PHYS][FFE_CFG_MAX];
981cc23e 468 u32 debugfs_bist_fixed_code[FIXED_CODE_MAX];
97b151e7 469
eb1c2b72 470 /* debugfs memories */
b0b3e429 471 /* Put Global AXI and RAS Register into register array */
a70e33ea
LJ		 472 struct hisi_sas_debugfs_regs debugfs_regs[HISI_SAS_MAX_DEBUGFS_DUMP][DEBUGFS_REGS_NUM];
473 struct hisi_sas_debugfs_port debugfs_port_reg[HISI_SAS_MAX_DEBUGFS_DUMP][HISI_SAS_MAX_PHYS];
474 struct hisi_sas_debugfs_cq debugfs_cq[HISI_SAS_MAX_DEBUGFS_DUMP][HISI_SAS_MAX_QUEUES];
475 struct hisi_sas_debugfs_dq debugfs_dq[HISI_SAS_MAX_DEBUGFS_DUMP][HISI_SAS_MAX_QUEUES];
476 struct hisi_sas_debugfs_iost debugfs_iost[HISI_SAS_MAX_DEBUGFS_DUMP];
477 struct hisi_sas_debugfs_itct debugfs_itct[HISI_SAS_MAX_DEBUGFS_DUMP];
478 struct hisi_sas_debugfs_iost_cache debugfs_iost_cache[HISI_SAS_MAX_DEBUGFS_DUMP];
479 struct hisi_sas_debugfs_itct_cache debugfs_itct_cache[HISI_SAS_MAX_DEBUGFS_DUMP];
480
8f643298
LJ		 481 u64 debugfs_timestamp[HISI_SAS_MAX_DEBUGFS_DUMP];
482 int debugfs_dump_index;
ef63464b 483 struct dentry *debugfs_dir;
49159a5e 484 struct dentry *debugfs_dump_dentry;
97b151e7 485 struct dentry *debugfs_bist_dentry;
cd96fe60 486 struct dentry *debugfs_fifo_dentry;
0e47effa
XC		 487
488 int iopoll_q_cnt;
7eb7869f
JG		 489};
490
c799d6bd
JG		 491/* Generic HW DMA host memory structures */
492/* Delivery queue header */
493struct hisi_sas_cmd_hdr {
494 /* dw0 */
495 __le32 dw0;
496
497 /* dw1 */
498 __le32 dw1;
499
500 /* dw2 */
501 __le32 dw2;
502
503 /* dw3 */
504 __le32 transfer_tags;
505
506 /* dw4 */
507 __le32 data_transfer_len;
508
509 /* dw5 */
510 __le32 first_burst_num;
511
512 /* dw6 */
513 __le32 sg_len;
514
515 /* dw7 */
516 __le32 dw7;
517
518 /* dw8-9 */
519 __le64 cmd_table_addr;
520
521 /* dw10-11 */
522 __le64 sts_buffer_addr;
523
524 /* dw12-13 */
525 __le64 prd_table_addr;
526
527 /* dw14-15 */
528 __le64 dif_prd_table_addr;
529};
530
531struct hisi_sas_itct {
532 __le64 qw0;
533 __le64 sas_addr;
534 __le64 qw2;
535 __le64 qw3;
281e3bf6 536 __le64 qw4_15[12];
c799d6bd
JG		 537};
538
539struct hisi_sas_iost {
540 __le64 qw0;
541 __le64 qw1;
542 __le64 qw2;
543 __le64 qw3;
544};
545
546struct hisi_sas_err_record {
8d1eee7d 547 u32 data[4];
c799d6bd
JG		 548};
549
550struct hisi_sas_initial_fis {
551 struct hisi_sas_err_record err_record;
552 struct dev_to_host_fis fis;
553 u32 rsvd[3];
554};
555
556struct hisi_sas_breakpoint {
3297ded1
XC		 557 u8 data[128];
558};
559
560struct hisi_sas_sata_breakpoint {
561 struct hisi_sas_breakpoint tag[32];
c799d6bd
JG		 562};
563
564struct hisi_sas_sge {
565 __le64 addr;
566 __le32 page_ctrl_0;
567 __le32 page_ctrl_1;
568 __le32 data_len;
569 __le32 data_off;
570};
571
572struct hisi_sas_command_table_smp {
573 u8 bytes[44];
574};
575
576struct hisi_sas_command_table_stp {
577 struct host_to_dev_fis command_fis;
578 u8 dummy[12];
579 u8 atapi_cdb[ATAPI_CDB_LEN];
580};
581
c7669f50 582#define HISI_SAS_SGE_PAGE_CNT (124)
c799d6bd
JG		 583struct hisi_sas_sge_page {
584 struct hisi_sas_sge sge[HISI_SAS_SGE_PAGE_CNT];
f557e32c 585} __aligned(16);
c799d6bd 586
c7669f50 587#define HISI_SAS_SGE_DIF_PAGE_CNT HISI_SAS_SGE_PAGE_CNT
b3cce125
XC		 588struct hisi_sas_sge_dif_page {
589 struct hisi_sas_sge sge[HISI_SAS_SGE_DIF_PAGE_CNT];
590} __aligned(16);
591
c799d6bd
JG		 592struct hisi_sas_command_table_ssp {
593 struct ssp_frame_hdr hdr;
594 union {
595 struct {
596 struct ssp_command_iu task;
a14da7a2 597 u32 prot[7];
c799d6bd
JG		 598 };
599 struct ssp_tmf_iu ssp_task;
600 struct xfer_rdy_iu xfer_rdy;
601 struct ssp_response_iu ssp_res;
602 } u;
603};
604
605union hisi_sas_command_table {
606 struct hisi_sas_command_table_ssp ssp;
607 struct hisi_sas_command_table_smp smp;
608 struct hisi_sas_command_table_stp stp;
f557e32c
XT		 609} __aligned(16);
610
611struct hisi_sas_status_buffer {
612 struct hisi_sas_err_record err;
613 u8 iu[1024];
614} __aligned(16);
615
616struct hisi_sas_slot_buf_table {
617 struct hisi_sas_status_buffer status_buffer;
618 union hisi_sas_command_table command_header;
619 struct hisi_sas_sge_page sge_page;
c799d6bd 620};
2e244f0f 621
b3cce125
XC		 622struct hisi_sas_slot_dif_buf_table {
623 struct hisi_sas_slot_buf_table slot_buf;
624 struct hisi_sas_sge_dif_page sge_dif_page;
625};
626
e21fe3a5 627extern struct scsi_transport_template *hisi_sas_stt;
ef63464b
LJ		 628
629extern bool hisi_sas_debugfs_enable;
905ab01f 630extern u32 hisi_sas_debugfs_dump_count;
ef63464b
LJ		 631extern struct dentry *hisi_sas_debugfs_dir;
632
a25d0d3d 633extern void hisi_sas_stop_phys(struct hisi_hba *hisi_hba);
ae68b566 634extern int hisi_sas_alloc(struct hisi_hba *hisi_hba);
e21fe3a5 635extern void hisi_sas_free(struct hisi_hba *hisi_hba);
468f4b8d 636extern u8 hisi_sas_get_ata_protocol(struct host_to_dev_fis *fis,
637 int direction);
2e244f0f 638extern struct hisi_sas_port *to_hisi_sas_port(struct asd_sas_port *sas_port);
75904077
XC		 639extern void hisi_sas_sata_done(struct sas_task *task,
640 struct hisi_sas_slot *slot);
0fa24c19 641extern int hisi_sas_get_fw_info(struct hisi_hba *hisi_hba);
9fb10b54
JG		 642extern int hisi_sas_probe(struct platform_device *pdev,
643 const struct hisi_sas_hw *ops);
8cd6d0a3 644extern void hisi_sas_remove(struct platform_device *pdev);
c799d6bd 645
235bfc7f 646extern int hisi_sas_slave_configure(struct scsi_device *sdev);
36c6b761 647extern int hisi_sas_slave_alloc(struct scsi_device *sdev);
235bfc7f
XC		 648extern int hisi_sas_scan_finished(struct Scsi_Host *shost, unsigned long time);
649extern void hisi_sas_scan_start(struct Scsi_Host *shost);
235bfc7f 650extern int hisi_sas_host_reset(struct Scsi_Host *shost, int reset_type);
c63b88cc
JG		 651extern void hisi_sas_phy_enable(struct hisi_hba *hisi_hba, int phy_no,
652 int enable);
26c7efc3
AD		 653extern void hisi_sas_phy_down(struct hisi_hba *hisi_hba, int phy_no, int rdy,
654 gfp_t gfp_flags);
e9b6bada 655extern void hisi_sas_phy_bcast(struct hisi_sas_phy *phy);
27a3f229
JG		 656extern void hisi_sas_slot_task_free(struct hisi_hba *hisi_hba,
657 struct sas_task *task,
71fb36b5
XY		 658 struct hisi_sas_slot *slot,
659 bool need_lock);
06ec0fb9 660extern void hisi_sas_init_mem(struct hisi_hba *hisi_hba);
b4241f0f 661extern void hisi_sas_rst_work_handler(struct work_struct *work);
e402acdb 662extern void hisi_sas_sync_rst_work_handler(struct work_struct *work);
b6c9b15e 663extern void hisi_sas_phy_oob_ready(struct hisi_hba *hisi_hba, int phy_no);
e537b62b
XT		 664extern bool hisi_sas_notify_phy_event(struct hisi_sas_phy *phy,
665 enum hisi_sas_phy_event event);
4d0951ee 666extern void hisi_sas_release_tasks(struct hisi_hba *hisi_hba);
c2c1d9de 667extern u8 hisi_sas_get_prog_phy_linkrate_mask(enum sas_linkrate max);
b711ef5e
XC		 668extern void hisi_sas_sync_cqs(struct hisi_hba *hisi_hba);
669extern void hisi_sas_sync_poll_cqs(struct hisi_hba *hisi_hba);
4522204a
XT		 670extern void hisi_sas_controller_reset_prepare(struct hisi_hba *hisi_hba);
671extern void hisi_sas_controller_reset_done(struct hisi_hba *hisi_hba);
e8899fad 672#endif
Linux 6.x block layer and io_uring tree(s)