1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Copyright (c) 2017 Hisilicon Limited.
6 #include <linux/sched/clock.h>
8 #define DRV_NAME "hisi_sas_v3_hw"
10 /* global registers need init */
11 #define DLVRY_QUEUE_ENABLE 0x0
12 #define IOST_BASE_ADDR_LO 0x8
13 #define IOST_BASE_ADDR_HI 0xc
14 #define ITCT_BASE_ADDR_LO 0x10
15 #define ITCT_BASE_ADDR_HI 0x14
16 #define IO_BROKEN_MSG_ADDR_LO 0x18
17 #define IO_BROKEN_MSG_ADDR_HI 0x1c
18 #define PHY_CONTEXT 0x20
19 #define PHY_STATE 0x24
20 #define PHY_PORT_NUM_MA 0x28
21 #define PHY_CONN_RATE 0x30
23 #define ITCT_CLR_EN_OFF 16
24 #define ITCT_CLR_EN_MSK (0x1 << ITCT_CLR_EN_OFF)
25 #define ITCT_DEV_OFF 0
26 #define ITCT_DEV_MSK (0x7ff << ITCT_DEV_OFF)
27 #define SAS_AXI_USER3 0x50
28 #define IO_SATA_BROKEN_MSG_ADDR_LO 0x58
29 #define IO_SATA_BROKEN_MSG_ADDR_HI 0x5c
30 #define SATA_INITI_D2H_STORE_ADDR_LO 0x60
31 #define SATA_INITI_D2H_STORE_ADDR_HI 0x64
32 #define CFG_MAX_TAG 0x68
33 #define TRANS_LOCK_ICT_TIME 0X70
34 #define HGC_SAS_TX_OPEN_FAIL_RETRY_CTRL 0x84
35 #define HGC_SAS_TXFAIL_RETRY_CTRL 0x88
36 #define HGC_GET_ITV_TIME 0x90
37 #define DEVICE_MSG_WORK_MODE 0x94
38 #define OPENA_WT_CONTI_TIME 0x9c
39 #define I_T_NEXUS_LOSS_TIME 0xa0
40 #define MAX_CON_TIME_LIMIT_TIME 0xa4
41 #define BUS_INACTIVE_LIMIT_TIME 0xa8
42 #define REJECT_TO_OPEN_LIMIT_TIME 0xac
43 #define CQ_INT_CONVERGE_EN 0xb0
44 #define CFG_AGING_TIME 0xbc
45 #define HGC_DFX_CFG2 0xc0
46 #define CFG_ABT_SET_QUERY_IPTT 0xd4
47 #define CFG_SET_ABORTED_IPTT_OFF 0
48 #define CFG_SET_ABORTED_IPTT_MSK (0xfff << CFG_SET_ABORTED_IPTT_OFF)
49 #define CFG_SET_ABORTED_EN_OFF 12
50 #define CFG_ABT_SET_IPTT_DONE 0xd8
51 #define CFG_ABT_SET_IPTT_DONE_OFF 0
52 #define HGC_IOMB_PROC1_STATUS 0x104
53 #define HGC_LM_DFX_STATUS2 0x128
54 #define HGC_LM_DFX_STATUS2_IOSTLIST_OFF 0
55 #define HGC_LM_DFX_STATUS2_IOSTLIST_MSK (0xfff << \
56 HGC_LM_DFX_STATUS2_IOSTLIST_OFF)
57 #define HGC_LM_DFX_STATUS2_ITCTLIST_OFF 12
58 #define HGC_LM_DFX_STATUS2_ITCTLIST_MSK (0x7ff << \
59 HGC_LM_DFX_STATUS2_ITCTLIST_OFF)
60 #define HGC_CQE_ECC_ADDR 0x13c
61 #define HGC_CQE_ECC_1B_ADDR_OFF 0
62 #define HGC_CQE_ECC_1B_ADDR_MSK (0x3f << HGC_CQE_ECC_1B_ADDR_OFF)
63 #define HGC_CQE_ECC_MB_ADDR_OFF 8
64 #define HGC_CQE_ECC_MB_ADDR_MSK (0x3f << HGC_CQE_ECC_MB_ADDR_OFF)
65 #define HGC_IOST_ECC_ADDR 0x140
66 #define HGC_IOST_ECC_1B_ADDR_OFF 0
67 #define HGC_IOST_ECC_1B_ADDR_MSK (0x3ff << HGC_IOST_ECC_1B_ADDR_OFF)
68 #define HGC_IOST_ECC_MB_ADDR_OFF 16
69 #define HGC_IOST_ECC_MB_ADDR_MSK (0x3ff << HGC_IOST_ECC_MB_ADDR_OFF)
70 #define HGC_DQE_ECC_ADDR 0x144
71 #define HGC_DQE_ECC_1B_ADDR_OFF 0
72 #define HGC_DQE_ECC_1B_ADDR_MSK (0xfff << HGC_DQE_ECC_1B_ADDR_OFF)
73 #define HGC_DQE_ECC_MB_ADDR_OFF 16
74 #define HGC_DQE_ECC_MB_ADDR_MSK (0xfff << HGC_DQE_ECC_MB_ADDR_OFF)
75 #define CHNL_INT_STATUS 0x148
77 #define HGC_ITCT_ECC_ADDR 0x150
78 #define HGC_ITCT_ECC_1B_ADDR_OFF 0
79 #define HGC_ITCT_ECC_1B_ADDR_MSK (0x3ff << \
80 HGC_ITCT_ECC_1B_ADDR_OFF)
81 #define HGC_ITCT_ECC_MB_ADDR_OFF 16
82 #define HGC_ITCT_ECC_MB_ADDR_MSK (0x3ff << \
83 HGC_ITCT_ECC_MB_ADDR_OFF)
84 #define HGC_AXI_FIFO_ERR_INFO 0x154
85 #define AXI_ERR_INFO_OFF 0
86 #define AXI_ERR_INFO_MSK (0xff << AXI_ERR_INFO_OFF)
87 #define FIFO_ERR_INFO_OFF 8
88 #define FIFO_ERR_INFO_MSK (0xff << FIFO_ERR_INFO_OFF)
89 #define TAB_RD_TYPE 0x15c
90 #define INT_COAL_EN 0x19c
91 #define OQ_INT_COAL_TIME 0x1a0
92 #define OQ_INT_COAL_CNT 0x1a4
93 #define ENT_INT_COAL_TIME 0x1a8
94 #define ENT_INT_COAL_CNT 0x1ac
95 #define OQ_INT_SRC 0x1b0
96 #define OQ_INT_SRC_MSK 0x1b4
97 #define ENT_INT_SRC1 0x1b8
98 #define ENT_INT_SRC1_D2H_FIS_CH0_OFF 0
99 #define ENT_INT_SRC1_D2H_FIS_CH0_MSK (0x1 << ENT_INT_SRC1_D2H_FIS_CH0_OFF)
100 #define ENT_INT_SRC1_D2H_FIS_CH1_OFF 8
101 #define ENT_INT_SRC1_D2H_FIS_CH1_MSK (0x1 << ENT_INT_SRC1_D2H_FIS_CH1_OFF)
102 #define ENT_INT_SRC2 0x1bc
103 #define ENT_INT_SRC3 0x1c0
104 #define ENT_INT_SRC3_WP_DEPTH_OFF 8
105 #define ENT_INT_SRC3_IPTT_SLOT_NOMATCH_OFF 9
106 #define ENT_INT_SRC3_RP_DEPTH_OFF 10
107 #define ENT_INT_SRC3_AXI_OFF 11
108 #define ENT_INT_SRC3_FIFO_OFF 12
109 #define ENT_INT_SRC3_LM_OFF 14
110 #define ENT_INT_SRC3_ITC_INT_OFF 15
111 #define ENT_INT_SRC3_ITC_INT_MSK (0x1 << ENT_INT_SRC3_ITC_INT_OFF)
112 #define ENT_INT_SRC3_ABT_OFF 16
113 #define ENT_INT_SRC3_DQE_POISON_OFF 18
114 #define ENT_INT_SRC3_IOST_POISON_OFF 19
115 #define ENT_INT_SRC3_ITCT_POISON_OFF 20
116 #define ENT_INT_SRC3_ITCT_NCQ_POISON_OFF 21
117 #define ENT_INT_SRC_MSK1 0x1c4
118 #define ENT_INT_SRC_MSK2 0x1c8
119 #define ENT_INT_SRC_MSK3 0x1cc
120 #define ENT_INT_SRC_MSK3_ENT95_MSK_OFF 31
121 #define CHNL_PHYUPDOWN_INT_MSK 0x1d0
122 #define CHNL_ENT_INT_MSK 0x1d4
123 #define HGC_COM_INT_MSK 0x1d8
124 #define ENT_INT_SRC_MSK3_ENT95_MSK_MSK (0x1 << ENT_INT_SRC_MSK3_ENT95_MSK_OFF)
125 #define SAS_ECC_INTR 0x1e8
126 #define SAS_ECC_INTR_DQE_ECC_1B_OFF 0
127 #define SAS_ECC_INTR_DQE_ECC_MB_OFF 1
128 #define SAS_ECC_INTR_IOST_ECC_1B_OFF 2
129 #define SAS_ECC_INTR_IOST_ECC_MB_OFF 3
130 #define SAS_ECC_INTR_ITCT_ECC_1B_OFF 4
131 #define SAS_ECC_INTR_ITCT_ECC_MB_OFF 5
132 #define SAS_ECC_INTR_ITCTLIST_ECC_1B_OFF 6
133 #define SAS_ECC_INTR_ITCTLIST_ECC_MB_OFF 7
134 #define SAS_ECC_INTR_IOSTLIST_ECC_1B_OFF 8
135 #define SAS_ECC_INTR_IOSTLIST_ECC_MB_OFF 9
136 #define SAS_ECC_INTR_CQE_ECC_1B_OFF 10
137 #define SAS_ECC_INTR_CQE_ECC_MB_OFF 11
138 #define SAS_ECC_INTR_NCQ_MEM0_ECC_1B_OFF 12
139 #define SAS_ECC_INTR_NCQ_MEM0_ECC_MB_OFF 13
140 #define SAS_ECC_INTR_NCQ_MEM1_ECC_1B_OFF 14
141 #define SAS_ECC_INTR_NCQ_MEM1_ECC_MB_OFF 15
142 #define SAS_ECC_INTR_NCQ_MEM2_ECC_1B_OFF 16
143 #define SAS_ECC_INTR_NCQ_MEM2_ECC_MB_OFF 17
144 #define SAS_ECC_INTR_NCQ_MEM3_ECC_1B_OFF 18
145 #define SAS_ECC_INTR_NCQ_MEM3_ECC_MB_OFF 19
146 #define SAS_ECC_INTR_OOO_RAM_ECC_1B_OFF 20
147 #define SAS_ECC_INTR_OOO_RAM_ECC_MB_OFF 21
148 #define SAS_ECC_INTR_MSK 0x1ec
149 #define HGC_ERR_STAT_EN 0x238
150 #define CQE_SEND_CNT 0x248
151 #define DLVRY_Q_0_BASE_ADDR_LO 0x260
152 #define DLVRY_Q_0_BASE_ADDR_HI 0x264
153 #define DLVRY_Q_0_DEPTH 0x268
154 #define DLVRY_Q_0_WR_PTR 0x26c
155 #define DLVRY_Q_0_RD_PTR 0x270
156 #define HYPER_STREAM_ID_EN_CFG 0xc80
157 #define OQ0_INT_SRC_MSK 0xc90
158 #define COMPL_Q_0_BASE_ADDR_LO 0x4e0
159 #define COMPL_Q_0_BASE_ADDR_HI 0x4e4
160 #define COMPL_Q_0_DEPTH 0x4e8
161 #define COMPL_Q_0_WR_PTR 0x4ec
162 #define COMPL_Q_0_RD_PTR 0x4f0
163 #define HGC_RXM_DFX_STATUS14 0xae8
164 #define HGC_RXM_DFX_STATUS14_MEM0_OFF 0
165 #define HGC_RXM_DFX_STATUS14_MEM0_MSK (0x1ff << \
166 HGC_RXM_DFX_STATUS14_MEM0_OFF)
167 #define HGC_RXM_DFX_STATUS14_MEM1_OFF 9
168 #define HGC_RXM_DFX_STATUS14_MEM1_MSK (0x1ff << \
169 HGC_RXM_DFX_STATUS14_MEM1_OFF)
170 #define HGC_RXM_DFX_STATUS14_MEM2_OFF 18
171 #define HGC_RXM_DFX_STATUS14_MEM2_MSK (0x1ff << \
172 HGC_RXM_DFX_STATUS14_MEM2_OFF)
173 #define HGC_RXM_DFX_STATUS15 0xaec
174 #define HGC_RXM_DFX_STATUS15_MEM3_OFF 0
175 #define HGC_RXM_DFX_STATUS15_MEM3_MSK (0x1ff << \
176 HGC_RXM_DFX_STATUS15_MEM3_OFF)
177 #define AWQOS_AWCACHE_CFG 0xc84
178 #define ARQOS_ARCACHE_CFG 0xc88
179 #define HILINK_ERR_DFX 0xe04
180 #define SAS_GPIO_CFG_0 0x1000
181 #define SAS_GPIO_CFG_1 0x1004
182 #define SAS_GPIO_TX_0_1 0x1040
183 #define SAS_CFG_DRIVE_VLD 0x1070
185 /* phy registers requiring init */
186 #define PORT_BASE (0x2000)
187 #define PHY_CFG (PORT_BASE + 0x0)
188 #define HARD_PHY_LINKRATE (PORT_BASE + 0x4)
189 #define PHY_CFG_ENA_OFF 0
190 #define PHY_CFG_ENA_MSK (0x1 << PHY_CFG_ENA_OFF)
191 #define PHY_CFG_DC_OPT_OFF 2
192 #define PHY_CFG_DC_OPT_MSK (0x1 << PHY_CFG_DC_OPT_OFF)
193 #define PHY_CFG_PHY_RST_OFF 3
194 #define PHY_CFG_PHY_RST_MSK (0x1 << PHY_CFG_PHY_RST_OFF)
195 #define PROG_PHY_LINK_RATE (PORT_BASE + 0x8)
196 #define CFG_PROG_PHY_LINK_RATE_OFF 0
197 #define CFG_PROG_PHY_LINK_RATE_MSK (0xff << CFG_PROG_PHY_LINK_RATE_OFF)
198 #define CFG_PROG_OOB_PHY_LINK_RATE_OFF 8
199 #define CFG_PROG_OOB_PHY_LINK_RATE_MSK (0xf << CFG_PROG_OOB_PHY_LINK_RATE_OFF)
200 #define PHY_CTRL (PORT_BASE + 0x14)
201 #define PHY_CTRL_RESET_OFF 0
202 #define PHY_CTRL_RESET_MSK (0x1 << PHY_CTRL_RESET_OFF)
203 #define CMD_HDR_PIR_OFF 8
204 #define CMD_HDR_PIR_MSK (0x1 << CMD_HDR_PIR_OFF)
205 #define SERDES_CFG (PORT_BASE + 0x1c)
206 #define CFG_ALOS_CHK_DISABLE_OFF 9
207 #define CFG_ALOS_CHK_DISABLE_MSK (0x1 << CFG_ALOS_CHK_DISABLE_OFF)
208 #define SAS_PHY_BIST_CTRL (PORT_BASE + 0x2c)
209 #define CFG_BIST_MODE_SEL_OFF 0
210 #define CFG_BIST_MODE_SEL_MSK (0xf << CFG_BIST_MODE_SEL_OFF)
211 #define CFG_LOOP_TEST_MODE_OFF 14
212 #define CFG_LOOP_TEST_MODE_MSK (0x3 << CFG_LOOP_TEST_MODE_OFF)
213 #define CFG_RX_BIST_EN_OFF 16
214 #define CFG_RX_BIST_EN_MSK (0x1 << CFG_RX_BIST_EN_OFF)
215 #define CFG_TX_BIST_EN_OFF 17
216 #define CFG_TX_BIST_EN_MSK (0x1 << CFG_TX_BIST_EN_OFF)
217 #define CFG_BIST_TEST_OFF 18
218 #define CFG_BIST_TEST_MSK (0x1 << CFG_BIST_TEST_OFF)
219 #define SAS_PHY_BIST_CODE (PORT_BASE + 0x30)
220 #define SAS_PHY_BIST_CODE1 (PORT_BASE + 0x34)
221 #define SAS_BIST_ERR_CNT (PORT_BASE + 0x38)
222 #define SL_CFG (PORT_BASE + 0x84)
223 #define AIP_LIMIT (PORT_BASE + 0x90)
224 #define SL_CONTROL (PORT_BASE + 0x94)
225 #define SL_CONTROL_NOTIFY_EN_OFF 0
226 #define SL_CONTROL_NOTIFY_EN_MSK (0x1 << SL_CONTROL_NOTIFY_EN_OFF)
227 #define SL_CTA_OFF 17
228 #define SL_CTA_MSK (0x1 << SL_CTA_OFF)
229 #define RX_PRIMS_STATUS (PORT_BASE + 0x98)
230 #define RX_BCAST_CHG_OFF 1
231 #define RX_BCAST_CHG_MSK (0x1 << RX_BCAST_CHG_OFF)
232 #define TX_ID_DWORD0 (PORT_BASE + 0x9c)
233 #define TX_ID_DWORD1 (PORT_BASE + 0xa0)
234 #define TX_ID_DWORD2 (PORT_BASE + 0xa4)
235 #define TX_ID_DWORD3 (PORT_BASE + 0xa8)
236 #define TX_ID_DWORD4 (PORT_BASE + 0xaC)
237 #define TX_ID_DWORD5 (PORT_BASE + 0xb0)
238 #define TX_ID_DWORD6 (PORT_BASE + 0xb4)
239 #define TXID_AUTO (PORT_BASE + 0xb8)
241 #define CT3_MSK (0x1 << CT3_OFF)
242 #define TX_HARDRST_OFF 2
243 #define TX_HARDRST_MSK (0x1 << TX_HARDRST_OFF)
244 #define RX_IDAF_DWORD0 (PORT_BASE + 0xc4)
245 #define RXOP_CHECK_CFG_H (PORT_BASE + 0xfc)
246 #define STP_LINK_TIMER (PORT_BASE + 0x120)
247 #define STP_LINK_TIMEOUT_STATE (PORT_BASE + 0x124)
248 #define CON_CFG_DRIVER (PORT_BASE + 0x130)
249 #define SAS_SSP_CON_TIMER_CFG (PORT_BASE + 0x134)
250 #define SAS_SMP_CON_TIMER_CFG (PORT_BASE + 0x138)
251 #define SAS_STP_CON_TIMER_CFG (PORT_BASE + 0x13c)
252 #define CHL_INT0 (PORT_BASE + 0x1b4)
253 #define CHL_INT0_HOTPLUG_TOUT_OFF 0
254 #define CHL_INT0_HOTPLUG_TOUT_MSK (0x1 << CHL_INT0_HOTPLUG_TOUT_OFF)
255 #define CHL_INT0_SL_RX_BCST_ACK_OFF 1
256 #define CHL_INT0_SL_RX_BCST_ACK_MSK (0x1 << CHL_INT0_SL_RX_BCST_ACK_OFF)
257 #define CHL_INT0_SL_PHY_ENABLE_OFF 2
258 #define CHL_INT0_SL_PHY_ENABLE_MSK (0x1 << CHL_INT0_SL_PHY_ENABLE_OFF)
259 #define CHL_INT0_NOT_RDY_OFF 4
260 #define CHL_INT0_NOT_RDY_MSK (0x1 << CHL_INT0_NOT_RDY_OFF)
261 #define CHL_INT0_PHY_RDY_OFF 5
262 #define CHL_INT0_PHY_RDY_MSK (0x1 << CHL_INT0_PHY_RDY_OFF)
263 #define CHL_INT1 (PORT_BASE + 0x1b8)
264 #define CHL_INT1_DMAC_TX_ECC_MB_ERR_OFF 15
265 #define CHL_INT1_DMAC_TX_ECC_1B_ERR_OFF 16
266 #define CHL_INT1_DMAC_RX_ECC_MB_ERR_OFF 17
267 #define CHL_INT1_DMAC_RX_ECC_1B_ERR_OFF 18
268 #define CHL_INT1_DMAC_TX_AXI_WR_ERR_OFF 19
269 #define CHL_INT1_DMAC_TX_AXI_RD_ERR_OFF 20
270 #define CHL_INT1_DMAC_RX_AXI_WR_ERR_OFF 21
271 #define CHL_INT1_DMAC_RX_AXI_RD_ERR_OFF 22
272 #define CHL_INT1_DMAC_TX_FIFO_ERR_OFF 23
273 #define CHL_INT1_DMAC_RX_FIFO_ERR_OFF 24
274 #define CHL_INT1_DMAC_TX_AXI_RUSER_ERR_OFF 26
275 #define CHL_INT1_DMAC_RX_AXI_RUSER_ERR_OFF 27
276 #define CHL_INT2 (PORT_BASE + 0x1bc)
277 #define CHL_INT2_SL_IDAF_TOUT_CONF_OFF 0
278 #define CHL_INT2_RX_DISP_ERR_OFF 28
279 #define CHL_INT2_RX_CODE_ERR_OFF 29
280 #define CHL_INT2_RX_INVLD_DW_OFF 30
281 #define CHL_INT2_STP_LINK_TIMEOUT_OFF 31
282 #define CHL_INT0_MSK (PORT_BASE + 0x1c0)
283 #define CHL_INT1_MSK (PORT_BASE + 0x1c4)
284 #define CHL_INT2_MSK (PORT_BASE + 0x1c8)
285 #define SAS_EC_INT_COAL_TIME (PORT_BASE + 0x1cc)
286 #define CHL_INT_COAL_EN (PORT_BASE + 0x1d0)
287 #define SAS_RX_TRAIN_TIMER (PORT_BASE + 0x2a4)
288 #define PHY_CTRL_RDY_MSK (PORT_BASE + 0x2b0)
289 #define PHYCTRL_NOT_RDY_MSK (PORT_BASE + 0x2b4)
290 #define PHYCTRL_DWS_RESET_MSK (PORT_BASE + 0x2b8)
291 #define PHYCTRL_PHY_ENA_MSK (PORT_BASE + 0x2bc)
292 #define SL_RX_BCAST_CHK_MSK (PORT_BASE + 0x2c0)
293 #define PHYCTRL_OOB_RESTART_MSK (PORT_BASE + 0x2c4)
294 #define DMA_TX_STATUS (PORT_BASE + 0x2d0)
295 #define DMA_TX_STATUS_BUSY_OFF 0
296 #define DMA_TX_STATUS_BUSY_MSK (0x1 << DMA_TX_STATUS_BUSY_OFF)
297 #define DMA_RX_STATUS (PORT_BASE + 0x2e8)
298 #define DMA_RX_STATUS_BUSY_OFF 0
299 #define DMA_RX_STATUS_BUSY_MSK (0x1 << DMA_RX_STATUS_BUSY_OFF)
301 #define COARSETUNE_TIME (PORT_BASE + 0x304)
302 #define TXDEEMPH_G1 (PORT_BASE + 0x350)
303 #define ERR_CNT_DWS_LOST (PORT_BASE + 0x380)
304 #define ERR_CNT_RESET_PROB (PORT_BASE + 0x384)
305 #define ERR_CNT_INVLD_DW (PORT_BASE + 0x390)
306 #define ERR_CNT_CODE_ERR (PORT_BASE + 0x394)
307 #define ERR_CNT_DISP_ERR (PORT_BASE + 0x398)
308 #define DFX_FIFO_CTRL (PORT_BASE + 0x3a0)
309 #define DFX_FIFO_CTRL_TRIGGER_MODE_OFF 0
310 #define DFX_FIFO_CTRL_TRIGGER_MODE_MSK (0x7 << DFX_FIFO_CTRL_TRIGGER_MODE_OFF)
311 #define DFX_FIFO_CTRL_DUMP_MODE_OFF 3
312 #define DFX_FIFO_CTRL_DUMP_MODE_MSK (0x7 << DFX_FIFO_CTRL_DUMP_MODE_OFF)
313 #define DFX_FIFO_CTRL_SIGNAL_SEL_OFF 6
314 #define DFX_FIFO_CTRL_SIGNAL_SEL_MSK (0xF << DFX_FIFO_CTRL_SIGNAL_SEL_OFF)
315 #define DFX_FIFO_CTRL_DUMP_DISABLE_OFF 10
316 #define DFX_FIFO_CTRL_DUMP_DISABLE_MSK (0x1 << DFX_FIFO_CTRL_DUMP_DISABLE_OFF)
317 #define DFX_FIFO_TRIGGER (PORT_BASE + 0x3a4)
318 #define DFX_FIFO_TRIGGER_MSK (PORT_BASE + 0x3a8)
319 #define DFX_FIFO_DUMP_MSK (PORT_BASE + 0x3aC)
320 #define DFX_FIFO_RD_DATA (PORT_BASE + 0x3b0)
322 #define DEFAULT_ITCT_HW 2048 /* reset value, not reprogrammed */
323 #if (HISI_SAS_MAX_DEVICES > DEFAULT_ITCT_HW)
324 #error Max ITCT exceeded
327 #define AXI_MASTER_CFG_BASE (0x5000)
328 #define AM_CTRL_GLOBAL (0x0)
329 #define AM_CTRL_SHUTDOWN_REQ_OFF 0
330 #define AM_CTRL_SHUTDOWN_REQ_MSK (0x1 << AM_CTRL_SHUTDOWN_REQ_OFF)
331 #define AM_CURR_TRANS_RETURN (0x150)
333 #define AM_CFG_MAX_TRANS (0x5010)
334 #define AM_CFG_SINGLE_PORT_MAX_TRANS (0x5014)
335 #define AXI_CFG (0x5100)
336 #define AM_ROB_ECC_ERR_ADDR (0x510c)
337 #define AM_ROB_ECC_ERR_ADDR_OFF 0
338 #define AM_ROB_ECC_ERR_ADDR_MSK 0xffffffff
340 /* RAS registers need init */
341 #define RAS_BASE (0x6000)
342 #define SAS_RAS_INTR0 (RAS_BASE)
343 #define SAS_RAS_INTR1 (RAS_BASE + 0x04)
344 #define SAS_RAS_INTR0_MASK (RAS_BASE + 0x08)
345 #define SAS_RAS_INTR1_MASK (RAS_BASE + 0x0c)
346 #define CFG_SAS_RAS_INTR_MASK (RAS_BASE + 0x1c)
347 #define SAS_RAS_INTR2 (RAS_BASE + 0x20)
348 #define SAS_RAS_INTR2_MASK (RAS_BASE + 0x24)
350 /* HW dma structures */
351 /* Delivery queue header */
353 #define CMD_HDR_ABORT_FLAG_OFF 0
354 #define CMD_HDR_ABORT_FLAG_MSK (0x3 << CMD_HDR_ABORT_FLAG_OFF)
355 #define CMD_HDR_ABORT_DEVICE_TYPE_OFF 2
356 #define CMD_HDR_ABORT_DEVICE_TYPE_MSK (0x1 << CMD_HDR_ABORT_DEVICE_TYPE_OFF)
357 #define CMD_HDR_RESP_REPORT_OFF 5
358 #define CMD_HDR_RESP_REPORT_MSK (0x1 << CMD_HDR_RESP_REPORT_OFF)
359 #define CMD_HDR_TLR_CTRL_OFF 6
360 #define CMD_HDR_TLR_CTRL_MSK (0x3 << CMD_HDR_TLR_CTRL_OFF)
361 #define CMD_HDR_PORT_OFF 18
362 #define CMD_HDR_PORT_MSK (0xf << CMD_HDR_PORT_OFF)
363 #define CMD_HDR_PRIORITY_OFF 27
364 #define CMD_HDR_PRIORITY_MSK (0x1 << CMD_HDR_PRIORITY_OFF)
365 #define CMD_HDR_CMD_OFF 29
366 #define CMD_HDR_CMD_MSK (0x7 << CMD_HDR_CMD_OFF)
368 #define CMD_HDR_UNCON_CMD_OFF 3
369 #define CMD_HDR_DIR_OFF 5
370 #define CMD_HDR_DIR_MSK (0x3 << CMD_HDR_DIR_OFF)
371 #define CMD_HDR_RESET_OFF 7
372 #define CMD_HDR_RESET_MSK (0x1 << CMD_HDR_RESET_OFF)
373 #define CMD_HDR_VDTL_OFF 10
374 #define CMD_HDR_VDTL_MSK (0x1 << CMD_HDR_VDTL_OFF)
375 #define CMD_HDR_FRAME_TYPE_OFF 11
376 #define CMD_HDR_FRAME_TYPE_MSK (0x1f << CMD_HDR_FRAME_TYPE_OFF)
377 #define CMD_HDR_DEV_ID_OFF 16
378 #define CMD_HDR_DEV_ID_MSK (0xffff << CMD_HDR_DEV_ID_OFF)
380 #define CMD_HDR_CFL_OFF 0
381 #define CMD_HDR_CFL_MSK (0x1ff << CMD_HDR_CFL_OFF)
382 #define CMD_HDR_NCQ_TAG_OFF 10
383 #define CMD_HDR_NCQ_TAG_MSK (0x1f << CMD_HDR_NCQ_TAG_OFF)
384 #define CMD_HDR_MRFL_OFF 15
385 #define CMD_HDR_MRFL_MSK (0x1ff << CMD_HDR_MRFL_OFF)
386 #define CMD_HDR_SG_MOD_OFF 24
387 #define CMD_HDR_SG_MOD_MSK (0x3 << CMD_HDR_SG_MOD_OFF)
389 #define CMD_HDR_IPTT_OFF 0
390 #define CMD_HDR_IPTT_MSK (0xffff << CMD_HDR_IPTT_OFF)
392 #define CMD_HDR_DIF_SGL_LEN_OFF 0
393 #define CMD_HDR_DIF_SGL_LEN_MSK (0xffff << CMD_HDR_DIF_SGL_LEN_OFF)
394 #define CMD_HDR_DATA_SGL_LEN_OFF 16
395 #define CMD_HDR_DATA_SGL_LEN_MSK (0xffff << CMD_HDR_DATA_SGL_LEN_OFF)
397 #define CMD_HDR_ADDR_MODE_SEL_OFF 15
398 #define CMD_HDR_ADDR_MODE_SEL_MSK (1 << CMD_HDR_ADDR_MODE_SEL_OFF)
399 #define CMD_HDR_ABORT_IPTT_OFF 16
400 #define CMD_HDR_ABORT_IPTT_MSK (0xffff << CMD_HDR_ABORT_IPTT_OFF)
402 /* Completion header */
404 #define CMPLT_HDR_CMPLT_OFF 0
405 #define CMPLT_HDR_CMPLT_MSK (0x3 << CMPLT_HDR_CMPLT_OFF)
406 #define CMPLT_HDR_ERROR_PHASE_OFF 2
407 #define CMPLT_HDR_ERROR_PHASE_MSK (0xff << CMPLT_HDR_ERROR_PHASE_OFF)
408 /* bit[9:2] Error Phase */
409 #define ERR_PHASE_RESPONSE_FRAME_REV_STAGE_OFF \
411 #define ERR_PHASE_RESPONSE_FRAME_REV_STAGE_MSK \
412 (0x1 << ERR_PHASE_RESPONSE_FRAME_REV_STAGE_OFF)
413 #define CMPLT_HDR_RSPNS_XFRD_OFF 10
414 #define CMPLT_HDR_RSPNS_XFRD_MSK (0x1 << CMPLT_HDR_RSPNS_XFRD_OFF)
415 #define CMPLT_HDR_RSPNS_GOOD_OFF 11
416 #define CMPLT_HDR_RSPNS_GOOD_MSK (0x1 << CMPLT_HDR_RSPNS_GOOD_OFF)
417 #define CMPLT_HDR_ERX_OFF 12
418 #define CMPLT_HDR_ERX_MSK (0x1 << CMPLT_HDR_ERX_OFF)
419 #define CMPLT_HDR_ABORT_STAT_OFF 13
420 #define CMPLT_HDR_ABORT_STAT_MSK (0x7 << CMPLT_HDR_ABORT_STAT_OFF)
422 #define STAT_IO_NOT_VALID 0x1
423 #define STAT_IO_NO_DEVICE 0x2
424 #define STAT_IO_COMPLETE 0x3
425 #define STAT_IO_ABORTED 0x4
427 #define CMPLT_HDR_IPTT_OFF 0
428 #define CMPLT_HDR_IPTT_MSK (0xffff << CMPLT_HDR_IPTT_OFF)
429 #define CMPLT_HDR_DEV_ID_OFF 16
430 #define CMPLT_HDR_DEV_ID_MSK (0xffff << CMPLT_HDR_DEV_ID_OFF)
432 #define SATA_DISK_IN_ERROR_STATUS_OFF 8
433 #define SATA_DISK_IN_ERROR_STATUS_MSK (0x1 << SATA_DISK_IN_ERROR_STATUS_OFF)
434 #define CMPLT_HDR_SATA_DISK_ERR_OFF 16
435 #define CMPLT_HDR_SATA_DISK_ERR_MSK (0x1 << CMPLT_HDR_SATA_DISK_ERR_OFF)
436 #define CMPLT_HDR_IO_IN_TARGET_OFF 17
437 #define CMPLT_HDR_IO_IN_TARGET_MSK (0x1 << CMPLT_HDR_IO_IN_TARGET_OFF)
438 /* bit[23:18] ERR_FIS_ATA_STATUS */
439 #define FIS_ATA_STATUS_ERR_OFF 18
440 #define FIS_ATA_STATUS_ERR_MSK (0x1 << FIS_ATA_STATUS_ERR_OFF)
441 #define FIS_TYPE_SDB_OFF 31
442 #define FIS_TYPE_SDB_MSK (0x1 << FIS_TYPE_SDB_OFF)
446 #define ITCT_HDR_DEV_TYPE_OFF 0
447 #define ITCT_HDR_DEV_TYPE_MSK (0x3 << ITCT_HDR_DEV_TYPE_OFF)
448 #define ITCT_HDR_VALID_OFF 2
449 #define ITCT_HDR_VALID_MSK (0x1 << ITCT_HDR_VALID_OFF)
450 #define ITCT_HDR_MCR_OFF 5
451 #define ITCT_HDR_MCR_MSK (0xf << ITCT_HDR_MCR_OFF)
452 #define ITCT_HDR_VLN_OFF 9
453 #define ITCT_HDR_VLN_MSK (0xf << ITCT_HDR_VLN_OFF)
454 #define ITCT_HDR_SMP_TIMEOUT_OFF 16
455 #define ITCT_HDR_AWT_CONTINUE_OFF 25
456 #define ITCT_HDR_PORT_ID_OFF 28
457 #define ITCT_HDR_PORT_ID_MSK (0xf << ITCT_HDR_PORT_ID_OFF)
459 #define ITCT_HDR_INLT_OFF 0
460 #define ITCT_HDR_INLT_MSK (0xffffULL << ITCT_HDR_INLT_OFF)
461 #define ITCT_HDR_RTOLT_OFF 48
462 #define ITCT_HDR_RTOLT_MSK (0xffffULL << ITCT_HDR_RTOLT_OFF)
464 struct hisi_sas_protect_iu_v3_hw {
474 struct hisi_sas_complete_v3_hdr {
481 struct hisi_sas_err_record_v3 {
483 __le32 trans_tx_fail_type;
486 __le32 trans_rx_fail_type;
489 __le16 dma_tx_err_type;
490 __le16 sipc_rx_err_type;
493 __le32 dma_rx_err_type;
496 #define RX_DATA_LEN_UNDERFLOW_OFF 6
497 #define RX_DATA_LEN_UNDERFLOW_MSK (1 << RX_DATA_LEN_UNDERFLOW_OFF)
499 #define RX_FIS_STATUS_ERR_OFF 0
500 #define RX_FIS_STATUS_ERR_MSK (1 << RX_FIS_STATUS_ERR_OFF)
502 #define HISI_SAS_COMMAND_ENTRIES_V3_HW 4096
503 #define HISI_SAS_MSI_COUNT_V3_HW 32
505 #define DIR_NO_DATA 0
507 #define DIR_TO_DEVICE 2
508 #define DIR_RESERVED 3
510 #define FIS_CMD_IS_UNCONSTRAINED(fis) \
511 ((fis.command == ATA_CMD_READ_LOG_EXT) || \
512 (fis.command == ATA_CMD_READ_LOG_DMA_EXT) || \
513 ((fis.command == ATA_CMD_DEV_RESET) && \
514 ((fis.control & ATA_SRST) != 0)))
516 #define T10_INSRT_EN_OFF 0
517 #define T10_INSRT_EN_MSK (1 << T10_INSRT_EN_OFF)
518 #define T10_RMV_EN_OFF 1
519 #define T10_RMV_EN_MSK (1 << T10_RMV_EN_OFF)
520 #define T10_RPLC_EN_OFF 2
521 #define T10_RPLC_EN_MSK (1 << T10_RPLC_EN_OFF)
522 #define T10_CHK_EN_OFF 3
523 #define T10_CHK_EN_MSK (1 << T10_CHK_EN_OFF)
524 #define INCR_LBRT_OFF 5
525 #define INCR_LBRT_MSK (1 << INCR_LBRT_OFF)
526 #define USR_DATA_BLOCK_SZ_OFF 20
527 #define USR_DATA_BLOCK_SZ_MSK (0x3 << USR_DATA_BLOCK_SZ_OFF)
528 #define T10_CHK_MSK_OFF 16
529 #define T10_CHK_REF_TAG_MSK (0xf0 << T10_CHK_MSK_OFF)
530 #define T10_CHK_APP_TAG_MSK (0xc << T10_CHK_MSK_OFF)
532 #define BASE_VECTORS_V3_HW 16
533 #define MIN_AFFINE_VECTORS_V3_HW (BASE_VECTORS_V3_HW + 1)
535 #define CHNL_INT_STS_MSK 0xeeeeeeee
536 #define CHNL_INT_STS_PHY_MSK 0xe
537 #define CHNL_INT_STS_INT0_MSK BIT(1)
538 #define CHNL_INT_STS_INT1_MSK BIT(2)
539 #define CHNL_INT_STS_INT2_MSK BIT(3)
542 #define BAR_NO_V3_HW 5
545 DSM_FUNC_ERR_HANDLE_MSI = 0,
548 static bool hisi_sas_intr_conv;
549 MODULE_PARM_DESC(intr_conv, "interrupt converge enable (0-1)");
551 /* permit overriding the host protection capabilities mask (EEDP/T10 PI) */
552 static int prot_mask;
553 module_param(prot_mask, int, 0444);
554 MODULE_PARM_DESC(prot_mask, " host protection capabilities mask, def=0x0 ");
556 /* the index of iopoll queues are bigger than interrupt queues' */
557 static int experimental_iopoll_q_cnt;
558 module_param(experimental_iopoll_q_cnt, int, 0444);
559 MODULE_PARM_DESC(experimental_iopoll_q_cnt, "number of queues to be used as poll mode, def=0");
561 static void debugfs_work_handler_v3_hw(struct work_struct *work);
562 static void debugfs_snapshot_regs_v3_hw(struct hisi_hba *hisi_hba);
564 static u32 hisi_sas_read32(struct hisi_hba *hisi_hba, u32 off)
566 void __iomem *regs = hisi_hba->regs + off;
571 static void hisi_sas_write32(struct hisi_hba *hisi_hba, u32 off, u32 val)
573 void __iomem *regs = hisi_hba->regs + off;
578 static void hisi_sas_phy_write32(struct hisi_hba *hisi_hba, int phy_no,
581 void __iomem *regs = hisi_hba->regs + (0x400 * phy_no) + off;
586 static u32 hisi_sas_phy_read32(struct hisi_hba *hisi_hba,
589 void __iomem *regs = hisi_hba->regs + (0x400 * phy_no) + off;
594 #define hisi_sas_read32_poll_timeout(off, val, cond, delay_us, \
597 void __iomem *regs = hisi_hba->regs + off; \
598 readl_poll_timeout(regs, val, cond, delay_us, timeout_us); \
601 #define hisi_sas_read32_poll_timeout_atomic(off, val, cond, delay_us, \
604 void __iomem *regs = hisi_hba->regs + off; \
605 readl_poll_timeout_atomic(regs, val, cond, delay_us, timeout_us);\
608 static void interrupt_enable_v3_hw(struct hisi_hba *hisi_hba)
612 for (i = 0; i < hisi_hba->queue_count; i++)
613 hisi_sas_write32(hisi_hba, OQ0_INT_SRC_MSK + 0x4 * i, 0);
615 hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK1, 0xfefefefe);
616 hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK2, 0xfefefefe);
617 hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK3, 0xffc220ff);
618 hisi_sas_write32(hisi_hba, SAS_ECC_INTR_MSK, 0x155555);
620 for (i = 0; i < hisi_hba->n_phy; i++) {
621 hisi_sas_phy_write32(hisi_hba, i, CHL_INT1_MSK, 0xf2057fff);
622 hisi_sas_phy_write32(hisi_hba, i, CHL_INT2_MSK, 0xffffbfe);
623 hisi_sas_phy_write32(hisi_hba, i, PHYCTRL_NOT_RDY_MSK, 0x0);
624 hisi_sas_phy_write32(hisi_hba, i, PHYCTRL_PHY_ENA_MSK, 0x0);
625 hisi_sas_phy_write32(hisi_hba, i, SL_RX_BCAST_CHK_MSK, 0x0);
629 static void init_reg_v3_hw(struct hisi_hba *hisi_hba)
631 struct pci_dev *pdev = hisi_hba->pci_dev;
634 /* Global registers init */
635 hisi_sas_write32(hisi_hba, DLVRY_QUEUE_ENABLE,
636 (u32)((1ULL << hisi_hba->queue_count) - 1));
637 hisi_sas_write32(hisi_hba, CFG_MAX_TAG, 0xfff0400);
638 /* time / CLK_AHB = 2.5s / 2ns = 0x4A817C80 */
639 hisi_sas_write32(hisi_hba, TRANS_LOCK_ICT_TIME, 0x4A817C80);
640 hisi_sas_write32(hisi_hba, HGC_SAS_TXFAIL_RETRY_CTRL, 0x108);
641 hisi_sas_write32(hisi_hba, CFG_AGING_TIME, 0x1);
642 hisi_sas_write32(hisi_hba, INT_COAL_EN, 0x1);
643 hisi_sas_write32(hisi_hba, OQ_INT_COAL_TIME, 0x1);
644 hisi_sas_write32(hisi_hba, OQ_INT_COAL_CNT, 0x1);
645 hisi_sas_write32(hisi_hba, CQ_INT_CONVERGE_EN,
647 hisi_sas_write32(hisi_hba, OQ_INT_SRC, 0xffff);
648 hisi_sas_write32(hisi_hba, ENT_INT_SRC1, 0xffffffff);
649 hisi_sas_write32(hisi_hba, ENT_INT_SRC2, 0xffffffff);
650 hisi_sas_write32(hisi_hba, ENT_INT_SRC3, 0xffffffff);
651 hisi_sas_write32(hisi_hba, CHNL_PHYUPDOWN_INT_MSK, 0x0);
652 hisi_sas_write32(hisi_hba, CHNL_ENT_INT_MSK, 0x0);
653 hisi_sas_write32(hisi_hba, HGC_COM_INT_MSK, 0x0);
654 hisi_sas_write32(hisi_hba, AWQOS_AWCACHE_CFG, 0xf0f0);
655 hisi_sas_write32(hisi_hba, ARQOS_ARCACHE_CFG, 0xf0f0);
656 hisi_sas_write32(hisi_hba, HYPER_STREAM_ID_EN_CFG, 1);
658 if (pdev->revision < 0x30)
659 hisi_sas_write32(hisi_hba, SAS_AXI_USER3, 0);
661 interrupt_enable_v3_hw(hisi_hba);
662 for (i = 0; i < hisi_hba->n_phy; i++) {
663 enum sas_linkrate max;
664 struct hisi_sas_phy *phy = &hisi_hba->phy[i];
665 struct asd_sas_phy *sas_phy = &phy->sas_phy;
666 u32 prog_phy_link_rate = hisi_sas_phy_read32(hisi_hba, i,
669 prog_phy_link_rate &= ~CFG_PROG_PHY_LINK_RATE_MSK;
670 if (!sas_phy->phy || (sas_phy->phy->maximum_linkrate <
671 SAS_LINK_RATE_1_5_GBPS))
672 max = SAS_LINK_RATE_12_0_GBPS;
674 max = sas_phy->phy->maximum_linkrate;
675 prog_phy_link_rate |= hisi_sas_get_prog_phy_linkrate_mask(max);
676 hisi_sas_phy_write32(hisi_hba, i, PROG_PHY_LINK_RATE,
678 hisi_sas_phy_write32(hisi_hba, i, SAS_RX_TRAIN_TIMER, 0x13e80);
679 hisi_sas_phy_write32(hisi_hba, i, CHL_INT0, 0xffffffff);
680 hisi_sas_phy_write32(hisi_hba, i, CHL_INT1, 0xffffffff);
681 hisi_sas_phy_write32(hisi_hba, i, CHL_INT2, 0xffffffff);
682 hisi_sas_phy_write32(hisi_hba, i, RXOP_CHECK_CFG_H, 0x1000);
683 hisi_sas_phy_write32(hisi_hba, i, PHY_CTRL_RDY_MSK, 0x0);
684 hisi_sas_phy_write32(hisi_hba, i, PHYCTRL_DWS_RESET_MSK, 0x0);
685 hisi_sas_phy_write32(hisi_hba, i, PHYCTRL_OOB_RESTART_MSK, 0x1);
686 hisi_sas_phy_write32(hisi_hba, i, STP_LINK_TIMER, 0x7f7a120);
687 hisi_sas_phy_write32(hisi_hba, i, CON_CFG_DRIVER, 0x2a0a01);
688 hisi_sas_phy_write32(hisi_hba, i, SAS_EC_INT_COAL_TIME,
690 hisi_sas_phy_write32(hisi_hba, i, AIP_LIMIT, 0x2ffff);
692 /* set value through firmware for 920B and later version */
693 if (pdev->revision < 0x30) {
694 hisi_sas_phy_write32(hisi_hba, i, SAS_SSP_CON_TIMER_CFG, 0x32);
695 hisi_sas_phy_write32(hisi_hba, i, SERDES_CFG, 0xffc00);
696 /* used for 12G negotiate */
697 hisi_sas_phy_write32(hisi_hba, i, COARSETUNE_TIME, 0x1e);
700 /* get default FFE configuration for BIST */
701 for (j = 0; j < FFE_CFG_MAX; j++) {
702 u32 val = hisi_sas_phy_read32(hisi_hba, i,
703 TXDEEMPH_G1 + (j * 0x4));
704 hisi_hba->debugfs_bist_ffe[i][j] = val;
708 for (i = 0; i < hisi_hba->queue_count; i++) {
710 hisi_sas_write32(hisi_hba,
711 DLVRY_Q_0_BASE_ADDR_HI + (i * 0x14),
712 upper_32_bits(hisi_hba->cmd_hdr_dma[i]));
714 hisi_sas_write32(hisi_hba, DLVRY_Q_0_BASE_ADDR_LO + (i * 0x14),
715 lower_32_bits(hisi_hba->cmd_hdr_dma[i]));
717 hisi_sas_write32(hisi_hba, DLVRY_Q_0_DEPTH + (i * 0x14),
718 HISI_SAS_QUEUE_SLOTS);
720 /* Completion queue */
721 hisi_sas_write32(hisi_hba, COMPL_Q_0_BASE_ADDR_HI + (i * 0x14),
722 upper_32_bits(hisi_hba->complete_hdr_dma[i]));
724 hisi_sas_write32(hisi_hba, COMPL_Q_0_BASE_ADDR_LO + (i * 0x14),
725 lower_32_bits(hisi_hba->complete_hdr_dma[i]));
727 hisi_sas_write32(hisi_hba, COMPL_Q_0_DEPTH + (i * 0x14),
728 HISI_SAS_QUEUE_SLOTS);
732 hisi_sas_write32(hisi_hba, ITCT_BASE_ADDR_LO,
733 lower_32_bits(hisi_hba->itct_dma));
735 hisi_sas_write32(hisi_hba, ITCT_BASE_ADDR_HI,
736 upper_32_bits(hisi_hba->itct_dma));
739 hisi_sas_write32(hisi_hba, IOST_BASE_ADDR_LO,
740 lower_32_bits(hisi_hba->iost_dma));
742 hisi_sas_write32(hisi_hba, IOST_BASE_ADDR_HI,
743 upper_32_bits(hisi_hba->iost_dma));
746 hisi_sas_write32(hisi_hba, IO_BROKEN_MSG_ADDR_LO,
747 lower_32_bits(hisi_hba->breakpoint_dma));
749 hisi_sas_write32(hisi_hba, IO_BROKEN_MSG_ADDR_HI,
750 upper_32_bits(hisi_hba->breakpoint_dma));
752 /* SATA broken msg */
753 hisi_sas_write32(hisi_hba, IO_SATA_BROKEN_MSG_ADDR_LO,
754 lower_32_bits(hisi_hba->sata_breakpoint_dma));
756 hisi_sas_write32(hisi_hba, IO_SATA_BROKEN_MSG_ADDR_HI,
757 upper_32_bits(hisi_hba->sata_breakpoint_dma));
759 /* SATA initial fis */
760 hisi_sas_write32(hisi_hba, SATA_INITI_D2H_STORE_ADDR_LO,
761 lower_32_bits(hisi_hba->initial_fis_dma));
763 hisi_sas_write32(hisi_hba, SATA_INITI_D2H_STORE_ADDR_HI,
764 upper_32_bits(hisi_hba->initial_fis_dma));
766 /* RAS registers init */
767 hisi_sas_write32(hisi_hba, SAS_RAS_INTR0_MASK, 0x0);
768 hisi_sas_write32(hisi_hba, SAS_RAS_INTR1_MASK, 0x0);
769 hisi_sas_write32(hisi_hba, SAS_RAS_INTR2_MASK, 0x0);
770 hisi_sas_write32(hisi_hba, CFG_SAS_RAS_INTR_MASK, 0x0);
772 /* LED registers init */
773 hisi_sas_write32(hisi_hba, SAS_CFG_DRIVE_VLD, 0x80000ff);
774 hisi_sas_write32(hisi_hba, SAS_GPIO_TX_0_1, 0x80808080);
775 hisi_sas_write32(hisi_hba, SAS_GPIO_TX_0_1 + 0x4, 0x80808080);
776 /* Configure blink generator rate A to 1Hz and B to 4Hz */
777 hisi_sas_write32(hisi_hba, SAS_GPIO_CFG_1, 0x121700);
778 hisi_sas_write32(hisi_hba, SAS_GPIO_CFG_0, 0x800000);
781 static void config_phy_opt_mode_v3_hw(struct hisi_hba *hisi_hba, int phy_no)
783 u32 cfg = hisi_sas_phy_read32(hisi_hba, phy_no, PHY_CFG);
785 cfg &= ~PHY_CFG_DC_OPT_MSK;
786 cfg |= 1 << PHY_CFG_DC_OPT_OFF;
787 hisi_sas_phy_write32(hisi_hba, phy_no, PHY_CFG, cfg);
790 static void config_id_frame_v3_hw(struct hisi_hba *hisi_hba, int phy_no)
792 struct sas_identify_frame identify_frame;
793 u32 *identify_buffer;
795 memset(&identify_frame, 0, sizeof(identify_frame));
796 identify_frame.dev_type = SAS_END_DEVICE;
797 identify_frame.frame_type = 0;
798 identify_frame._un1 = 1;
799 identify_frame.initiator_bits = SAS_PROTOCOL_ALL;
800 identify_frame.target_bits = SAS_PROTOCOL_NONE;
801 memcpy(&identify_frame._un4_11[0], hisi_hba->sas_addr, SAS_ADDR_SIZE);
802 memcpy(&identify_frame.sas_addr[0], hisi_hba->sas_addr, SAS_ADDR_SIZE);
803 identify_frame.phy_id = phy_no;
804 identify_buffer = (u32 *)(&identify_frame);
806 hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD0,
807 __swab32(identify_buffer[0]));
808 hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD1,
809 __swab32(identify_buffer[1]));
810 hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD2,
811 __swab32(identify_buffer[2]));
812 hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD3,
813 __swab32(identify_buffer[3]));
814 hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD4,
815 __swab32(identify_buffer[4]));
816 hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD5,
817 __swab32(identify_buffer[5]));
820 static void setup_itct_v3_hw(struct hisi_hba *hisi_hba,
821 struct hisi_sas_device *sas_dev)
823 struct domain_device *device = sas_dev->sas_device;
824 struct device *dev = hisi_hba->dev;
825 u64 qw0, device_id = sas_dev->device_id;
826 struct hisi_sas_itct *itct = &hisi_hba->itct[device_id];
827 struct domain_device *parent_dev = device->parent;
828 struct asd_sas_port *sas_port = device->port;
829 struct hisi_sas_port *port = to_hisi_sas_port(sas_port);
832 memset(itct, 0, sizeof(*itct));
836 switch (sas_dev->dev_type) {
838 case SAS_EDGE_EXPANDER_DEVICE:
839 case SAS_FANOUT_EXPANDER_DEVICE:
840 qw0 = HISI_SAS_DEV_TYPE_SSP << ITCT_HDR_DEV_TYPE_OFF;
843 case SAS_SATA_PENDING:
844 if (parent_dev && dev_is_expander(parent_dev->dev_type))
845 qw0 = HISI_SAS_DEV_TYPE_STP << ITCT_HDR_DEV_TYPE_OFF;
847 qw0 = HISI_SAS_DEV_TYPE_SATA << ITCT_HDR_DEV_TYPE_OFF;
850 dev_warn(dev, "setup itct: unsupported dev type (%d)\n",
854 qw0 |= ((1 << ITCT_HDR_VALID_OFF) |
855 (device->linkrate << ITCT_HDR_MCR_OFF) |
856 (1 << ITCT_HDR_VLN_OFF) |
857 (0xfa << ITCT_HDR_SMP_TIMEOUT_OFF) |
858 (1 << ITCT_HDR_AWT_CONTINUE_OFF) |
859 (port->id << ITCT_HDR_PORT_ID_OFF));
860 itct->qw0 = cpu_to_le64(qw0);
863 memcpy(&sas_addr, device->sas_addr, SAS_ADDR_SIZE);
864 itct->sas_addr = cpu_to_le64(__swab64(sas_addr));
867 if (!dev_is_sata(device))
868 itct->qw2 = cpu_to_le64((5000ULL << ITCT_HDR_INLT_OFF) |
869 (0x1ULL << ITCT_HDR_RTOLT_OFF));
872 static int clear_itct_v3_hw(struct hisi_hba *hisi_hba,
873 struct hisi_sas_device *sas_dev)
875 DECLARE_COMPLETION_ONSTACK(completion);
876 u64 dev_id = sas_dev->device_id;
877 struct hisi_sas_itct *itct = &hisi_hba->itct[dev_id];
878 u32 reg_val = hisi_sas_read32(hisi_hba, ENT_INT_SRC3);
879 struct device *dev = hisi_hba->dev;
881 sas_dev->completion = &completion;
883 /* clear the itct interrupt state */
884 if (ENT_INT_SRC3_ITC_INT_MSK & reg_val)
885 hisi_sas_write32(hisi_hba, ENT_INT_SRC3,
886 ENT_INT_SRC3_ITC_INT_MSK);
888 /* clear the itct table */
889 reg_val = ITCT_CLR_EN_MSK | (dev_id & ITCT_DEV_MSK);
890 hisi_sas_write32(hisi_hba, ITCT_CLR, reg_val);
892 if (!wait_for_completion_timeout(sas_dev->completion,
893 HISI_SAS_CLEAR_ITCT_TIMEOUT)) {
894 dev_warn(dev, "failed to clear ITCT\n");
898 memset(itct, 0, sizeof(struct hisi_sas_itct));
902 static void dereg_device_v3_hw(struct hisi_hba *hisi_hba,
903 struct domain_device *device)
905 struct hisi_sas_slot *slot, *slot2;
906 struct hisi_sas_device *sas_dev = device->lldd_dev;
907 u32 cfg_abt_set_query_iptt;
909 cfg_abt_set_query_iptt = hisi_sas_read32(hisi_hba,
910 CFG_ABT_SET_QUERY_IPTT);
911 spin_lock(&sas_dev->lock);
912 list_for_each_entry_safe(slot, slot2, &sas_dev->list, entry) {
913 cfg_abt_set_query_iptt &= ~CFG_SET_ABORTED_IPTT_MSK;
914 cfg_abt_set_query_iptt |= (1 << CFG_SET_ABORTED_EN_OFF) |
915 (slot->idx << CFG_SET_ABORTED_IPTT_OFF);
916 hisi_sas_write32(hisi_hba, CFG_ABT_SET_QUERY_IPTT,
917 cfg_abt_set_query_iptt);
919 spin_unlock(&sas_dev->lock);
920 cfg_abt_set_query_iptt &= ~(1 << CFG_SET_ABORTED_EN_OFF);
921 hisi_sas_write32(hisi_hba, CFG_ABT_SET_QUERY_IPTT,
922 cfg_abt_set_query_iptt);
923 hisi_sas_write32(hisi_hba, CFG_ABT_SET_IPTT_DONE,
924 1 << CFG_ABT_SET_IPTT_DONE_OFF);
927 static int reset_hw_v3_hw(struct hisi_hba *hisi_hba)
929 struct device *dev = hisi_hba->dev;
933 hisi_sas_write32(hisi_hba, DLVRY_QUEUE_ENABLE, 0);
935 /* Disable all of the PHYs */
936 hisi_sas_stop_phys(hisi_hba);
939 /* Ensure axi bus idle */
940 ret = hisi_sas_read32_poll_timeout(AXI_CFG, val, !val,
943 dev_err(dev, "axi bus is not idle, ret = %d!\n", ret);
947 if (ACPI_HANDLE(dev)) {
950 s = acpi_evaluate_object(ACPI_HANDLE(dev), "_RST", NULL, NULL);
951 if (ACPI_FAILURE(s)) {
952 dev_err(dev, "Reset failed\n");
956 dev_err(dev, "no reset method!\n");
963 static int hw_init_v3_hw(struct hisi_hba *hisi_hba)
965 struct device *dev = hisi_hba->dev;
966 struct acpi_device *acpi_dev;
967 union acpi_object *obj;
971 rc = reset_hw_v3_hw(hisi_hba);
973 dev_err(dev, "hisi_sas_reset_hw failed, rc=%d\n", rc);
978 init_reg_v3_hw(hisi_hba);
980 if (guid_parse("D5918B4B-37AE-4E10-A99F-E5E8A6EF4C1F", &guid)) {
981 dev_err(dev, "Parse GUID failed\n");
986 * This DSM handles some hardware-related configurations:
987 * 1. Switch over to MSI error handling in kernel
988 * 2. BIOS *may* reset some register values through this method
990 obj = acpi_evaluate_dsm(ACPI_HANDLE(dev), &guid, 0,
991 DSM_FUNC_ERR_HANDLE_MSI, NULL);
993 dev_warn(dev, "can not find DSM method, ignore\n");
997 acpi_dev = ACPI_COMPANION(dev);
998 if (!acpi_device_power_manageable(acpi_dev))
999 dev_notice(dev, "neither _PS0 nor _PR0 is defined\n");
1003 static void enable_phy_v3_hw(struct hisi_hba *hisi_hba, int phy_no)
1005 u32 cfg = hisi_sas_phy_read32(hisi_hba, phy_no, PHY_CFG);
1007 cfg |= PHY_CFG_ENA_MSK;
1008 cfg &= ~PHY_CFG_PHY_RST_MSK;
1009 hisi_sas_phy_write32(hisi_hba, phy_no, PHY_CFG, cfg);
1012 static void disable_phy_v3_hw(struct hisi_hba *hisi_hba, int phy_no)
1014 u32 cfg = hisi_sas_phy_read32(hisi_hba, phy_no, PHY_CFG);
1015 u32 irq_msk = hisi_sas_phy_read32(hisi_hba, phy_no, CHL_INT2_MSK);
1016 static const u32 msk = BIT(CHL_INT2_RX_DISP_ERR_OFF) |
1017 BIT(CHL_INT2_RX_CODE_ERR_OFF) |
1018 BIT(CHL_INT2_RX_INVLD_DW_OFF);
1021 hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT2_MSK, msk | irq_msk);
1023 cfg &= ~PHY_CFG_ENA_MSK;
1024 hisi_sas_phy_write32(hisi_hba, phy_no, PHY_CFG, cfg);
1028 state = hisi_sas_read32(hisi_hba, PHY_STATE);
1029 if (state & BIT(phy_no)) {
1030 cfg |= PHY_CFG_PHY_RST_MSK;
1031 hisi_sas_phy_write32(hisi_hba, phy_no, PHY_CFG, cfg);
1036 hisi_sas_phy_read32(hisi_hba, phy_no, ERR_CNT_INVLD_DW);
1037 hisi_sas_phy_read32(hisi_hba, phy_no, ERR_CNT_DISP_ERR);
1038 hisi_sas_phy_read32(hisi_hba, phy_no, ERR_CNT_CODE_ERR);
1040 hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT2, msk);
1041 hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT2_MSK, irq_msk);
1044 static void start_phy_v3_hw(struct hisi_hba *hisi_hba, int phy_no)
1046 config_id_frame_v3_hw(hisi_hba, phy_no);
1047 config_phy_opt_mode_v3_hw(hisi_hba, phy_no);
1048 enable_phy_v3_hw(hisi_hba, phy_no);
1051 static void phy_hard_reset_v3_hw(struct hisi_hba *hisi_hba, int phy_no)
1053 struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no];
1056 hisi_sas_phy_enable(hisi_hba, phy_no, 0);
1057 if (phy->identify.device_type == SAS_END_DEVICE) {
1058 txid_auto = hisi_sas_phy_read32(hisi_hba, phy_no, TXID_AUTO);
1059 hisi_sas_phy_write32(hisi_hba, phy_no, TXID_AUTO,
1060 txid_auto | TX_HARDRST_MSK);
1063 hisi_sas_phy_enable(hisi_hba, phy_no, 1);
1066 static enum sas_linkrate phy_get_max_linkrate_v3_hw(void)
1068 return SAS_LINK_RATE_12_0_GBPS;
1071 static void phys_init_v3_hw(struct hisi_hba *hisi_hba)
1075 for (i = 0; i < hisi_hba->n_phy; i++) {
1076 struct hisi_sas_phy *phy = &hisi_hba->phy[i];
1077 struct asd_sas_phy *sas_phy = &phy->sas_phy;
1079 if (!sas_phy->phy->enabled)
1082 hisi_sas_phy_enable(hisi_hba, i, 1);
1086 static void sl_notify_ssp_v3_hw(struct hisi_hba *hisi_hba, int phy_no)
1090 sl_control = hisi_sas_phy_read32(hisi_hba, phy_no, SL_CONTROL);
1091 sl_control |= SL_CONTROL_NOTIFY_EN_MSK;
1092 hisi_sas_phy_write32(hisi_hba, phy_no, SL_CONTROL, sl_control);
1094 sl_control = hisi_sas_phy_read32(hisi_hba, phy_no, SL_CONTROL);
1095 sl_control &= ~SL_CONTROL_NOTIFY_EN_MSK;
1096 hisi_sas_phy_write32(hisi_hba, phy_no, SL_CONTROL, sl_control);
1099 static int get_wideport_bitmap_v3_hw(struct hisi_hba *hisi_hba, int port_id)
1102 u32 phy_port_num_ma = hisi_sas_read32(hisi_hba, PHY_PORT_NUM_MA);
1103 u32 phy_state = hisi_sas_read32(hisi_hba, PHY_STATE);
1105 for (i = 0; i < hisi_hba->n_phy; i++)
1106 if (phy_state & BIT(i))
1107 if (((phy_port_num_ma >> (i * 4)) & 0xf) == port_id)
1113 static void start_delivery_v3_hw(struct hisi_sas_dq *dq)
1115 struct hisi_hba *hisi_hba = dq->hisi_hba;
1116 struct hisi_sas_slot *s, *s1, *s2 = NULL;
1117 int dlvry_queue = dq->id;
1120 list_for_each_entry_safe(s, s1, &dq->list, delivery) {
1124 list_del(&s->delivery);
1131 * Ensure that memories for slots built on other CPUs is observed.
1134 wp = (s2->dlvry_queue_slot + 1) % HISI_SAS_QUEUE_SLOTS;
1136 hisi_sas_write32(hisi_hba, DLVRY_Q_0_WR_PTR + (dlvry_queue * 0x14), wp);
1139 static void prep_prd_sge_v3_hw(struct hisi_hba *hisi_hba,
1140 struct hisi_sas_slot *slot,
1141 struct hisi_sas_cmd_hdr *hdr,
1142 struct scatterlist *scatter,
1145 struct hisi_sas_sge_page *sge_page = hisi_sas_sge_addr_mem(slot);
1146 struct scatterlist *sg;
1149 for_each_sg(scatter, sg, n_elem, i) {
1150 struct hisi_sas_sge *entry = &sge_page->sge[i];
1152 entry->addr = cpu_to_le64(sg_dma_address(sg));
1153 entry->page_ctrl_0 = entry->page_ctrl_1 = 0;
1154 entry->data_len = cpu_to_le32(sg_dma_len(sg));
1155 entry->data_off = 0;
1158 hdr->prd_table_addr = cpu_to_le64(hisi_sas_sge_addr_dma(slot));
1160 hdr->sg_len |= cpu_to_le32(n_elem << CMD_HDR_DATA_SGL_LEN_OFF);
1163 static void prep_prd_sge_dif_v3_hw(struct hisi_hba *hisi_hba,
1164 struct hisi_sas_slot *slot,
1165 struct hisi_sas_cmd_hdr *hdr,
1166 struct scatterlist *scatter,
1169 struct hisi_sas_sge_dif_page *sge_dif_page;
1170 struct scatterlist *sg;
1173 sge_dif_page = hisi_sas_sge_dif_addr_mem(slot);
1175 for_each_sg(scatter, sg, n_elem, i) {
1176 struct hisi_sas_sge *entry = &sge_dif_page->sge[i];
1178 entry->addr = cpu_to_le64(sg_dma_address(sg));
1179 entry->page_ctrl_0 = 0;
1180 entry->page_ctrl_1 = 0;
1181 entry->data_len = cpu_to_le32(sg_dma_len(sg));
1182 entry->data_off = 0;
1185 hdr->dif_prd_table_addr =
1186 cpu_to_le64(hisi_sas_sge_dif_addr_dma(slot));
1188 hdr->sg_len |= cpu_to_le32(n_elem << CMD_HDR_DIF_SGL_LEN_OFF);
1191 static u32 get_prot_chk_msk_v3_hw(struct scsi_cmnd *scsi_cmnd)
1193 unsigned char prot_flags = scsi_cmnd->prot_flags;
1195 if (prot_flags & SCSI_PROT_REF_CHECK)
1196 return T10_CHK_APP_TAG_MSK;
1197 return T10_CHK_REF_TAG_MSK | T10_CHK_APP_TAG_MSK;
1200 static void fill_prot_v3_hw(struct scsi_cmnd *scsi_cmnd,
1201 struct hisi_sas_protect_iu_v3_hw *prot)
1203 unsigned char prot_op = scsi_get_prot_op(scsi_cmnd);
1204 unsigned int interval = scsi_prot_interval(scsi_cmnd);
1205 u32 lbrt_chk_val = t10_pi_ref_tag(scsi_cmd_to_rq(scsi_cmnd));
1208 case SCSI_PROT_READ_INSERT:
1209 prot->dw0 |= T10_INSRT_EN_MSK;
1210 prot->lbrtgv = lbrt_chk_val;
1212 case SCSI_PROT_READ_STRIP:
1213 prot->dw0 |= (T10_RMV_EN_MSK | T10_CHK_EN_MSK);
1214 prot->lbrtcv = lbrt_chk_val;
1215 prot->dw4 |= get_prot_chk_msk_v3_hw(scsi_cmnd);
1217 case SCSI_PROT_READ_PASS:
1218 prot->dw0 |= T10_CHK_EN_MSK;
1219 prot->lbrtcv = lbrt_chk_val;
1220 prot->dw4 |= get_prot_chk_msk_v3_hw(scsi_cmnd);
1222 case SCSI_PROT_WRITE_INSERT:
1223 prot->dw0 |= T10_INSRT_EN_MSK;
1224 prot->lbrtgv = lbrt_chk_val;
1226 case SCSI_PROT_WRITE_STRIP:
1227 prot->dw0 |= (T10_RMV_EN_MSK | T10_CHK_EN_MSK);
1228 prot->lbrtcv = lbrt_chk_val;
1230 case SCSI_PROT_WRITE_PASS:
1231 prot->dw0 |= T10_CHK_EN_MSK;
1232 prot->lbrtcv = lbrt_chk_val;
1233 prot->dw4 |= get_prot_chk_msk_v3_hw(scsi_cmnd);
1236 WARN(1, "prot_op(0x%x) is not valid\n", prot_op);
1244 prot->dw0 |= (0x1 << USR_DATA_BLOCK_SZ_OFF);
1247 prot->dw0 |= (0x2 << USR_DATA_BLOCK_SZ_OFF);
1250 WARN(1, "protection interval (0x%x) invalid\n",
1255 prot->dw0 |= INCR_LBRT_MSK;
1258 static void prep_ssp_v3_hw(struct hisi_hba *hisi_hba,
1259 struct hisi_sas_slot *slot)
1261 struct sas_task *task = slot->task;
1262 struct hisi_sas_cmd_hdr *hdr = slot->cmd_hdr;
1263 struct domain_device *device = task->dev;
1264 struct hisi_sas_device *sas_dev = device->lldd_dev;
1265 struct hisi_sas_port *port = slot->port;
1266 struct sas_ssp_task *ssp_task = &task->ssp_task;
1267 struct scsi_cmnd *scsi_cmnd = ssp_task->cmd;
1268 struct sas_tmf_task *tmf = slot->tmf;
1269 int has_data = 0, priority = !!tmf;
1270 unsigned char prot_op;
1272 u32 dw1 = 0, dw2 = 0, len = 0;
1274 hdr->dw0 = cpu_to_le32((1 << CMD_HDR_RESP_REPORT_OFF) |
1275 (2 << CMD_HDR_TLR_CTRL_OFF) |
1276 (port->id << CMD_HDR_PORT_OFF) |
1277 (priority << CMD_HDR_PRIORITY_OFF) |
1278 (1 << CMD_HDR_CMD_OFF)); /* ssp */
1280 dw1 = 1 << CMD_HDR_VDTL_OFF;
1282 dw1 |= 2 << CMD_HDR_FRAME_TYPE_OFF;
1283 dw1 |= DIR_NO_DATA << CMD_HDR_DIR_OFF;
1285 prot_op = scsi_get_prot_op(scsi_cmnd);
1286 dw1 |= 1 << CMD_HDR_FRAME_TYPE_OFF;
1287 switch (scsi_cmnd->sc_data_direction) {
1290 dw1 |= DIR_TO_DEVICE << CMD_HDR_DIR_OFF;
1292 case DMA_FROM_DEVICE:
1294 dw1 |= DIR_TO_INI << CMD_HDR_DIR_OFF;
1297 dw1 &= ~CMD_HDR_DIR_MSK;
1301 /* map itct entry */
1302 dw1 |= sas_dev->device_id << CMD_HDR_DEV_ID_OFF;
1304 dw2 = (((sizeof(struct ssp_command_iu) + sizeof(struct ssp_frame_hdr)
1305 + 3) / 4) << CMD_HDR_CFL_OFF) |
1306 ((HISI_SAS_MAX_SSP_RESP_SZ / 4) << CMD_HDR_MRFL_OFF) |
1307 (2 << CMD_HDR_SG_MOD_OFF);
1308 hdr->dw2 = cpu_to_le32(dw2);
1309 hdr->transfer_tags = cpu_to_le32(slot->idx);
1312 prep_prd_sge_v3_hw(hisi_hba, slot, hdr, task->scatter,
1315 if (scsi_prot_sg_count(scsi_cmnd))
1316 prep_prd_sge_dif_v3_hw(hisi_hba, slot, hdr,
1317 scsi_prot_sglist(scsi_cmnd),
1321 hdr->cmd_table_addr = cpu_to_le64(hisi_sas_cmd_hdr_addr_dma(slot));
1322 hdr->sts_buffer_addr = cpu_to_le64(hisi_sas_status_buf_addr_dma(slot));
1324 buf_cmd = hisi_sas_cmd_hdr_addr_mem(slot) +
1325 sizeof(struct ssp_frame_hdr);
1327 memcpy(buf_cmd, &task->ssp_task.LUN, 8);
1329 buf_cmd[9] = ssp_task->task_attr;
1330 memcpy(buf_cmd + 12, scsi_cmnd->cmnd, scsi_cmnd->cmd_len);
1332 buf_cmd[10] = tmf->tmf;
1334 case TMF_ABORT_TASK:
1335 case TMF_QUERY_TASK:
1337 (tmf->tag_of_task_to_be_managed >> 8) & 0xff;
1339 tmf->tag_of_task_to_be_managed & 0xff;
1346 if (has_data && (prot_op != SCSI_PROT_NORMAL)) {
1347 struct hisi_sas_protect_iu_v3_hw prot;
1350 hdr->dw7 |= cpu_to_le32(1 << CMD_HDR_ADDR_MODE_SEL_OFF);
1351 dw1 |= CMD_HDR_PIR_MSK;
1352 buf_cmd_prot = hisi_sas_cmd_hdr_addr_mem(slot) +
1353 sizeof(struct ssp_frame_hdr) +
1354 sizeof(struct ssp_command_iu);
1356 memset(&prot, 0, sizeof(struct hisi_sas_protect_iu_v3_hw));
1357 fill_prot_v3_hw(scsi_cmnd, &prot);
1358 memcpy(buf_cmd_prot, &prot,
1359 sizeof(struct hisi_sas_protect_iu_v3_hw));
1361 * For READ, we need length of info read to memory, while for
1362 * WRITE we need length of data written to the disk.
1364 if (prot_op == SCSI_PROT_WRITE_INSERT ||
1365 prot_op == SCSI_PROT_READ_INSERT ||
1366 prot_op == SCSI_PROT_WRITE_PASS ||
1367 prot_op == SCSI_PROT_READ_PASS) {
1368 unsigned int interval = scsi_prot_interval(scsi_cmnd);
1369 unsigned int ilog2_interval = ilog2(interval);
1371 len = (task->total_xfer_len >> ilog2_interval) * 8;
1375 hdr->dw1 = cpu_to_le32(dw1);
1377 hdr->data_transfer_len = cpu_to_le32(task->total_xfer_len + len);
1380 static void prep_smp_v3_hw(struct hisi_hba *hisi_hba,
1381 struct hisi_sas_slot *slot)
1383 struct sas_task *task = slot->task;
1384 struct hisi_sas_cmd_hdr *hdr = slot->cmd_hdr;
1385 struct domain_device *device = task->dev;
1386 struct hisi_sas_port *port = slot->port;
1387 struct scatterlist *sg_req;
1388 struct hisi_sas_device *sas_dev = device->lldd_dev;
1389 dma_addr_t req_dma_addr;
1390 unsigned int req_len;
1393 sg_req = &task->smp_task.smp_req;
1394 req_len = sg_dma_len(sg_req);
1395 req_dma_addr = sg_dma_address(sg_req);
1399 hdr->dw0 = cpu_to_le32((port->id << CMD_HDR_PORT_OFF) |
1400 (1 << CMD_HDR_PRIORITY_OFF) | /* high pri */
1401 (2 << CMD_HDR_CMD_OFF)); /* smp */
1403 /* map itct entry */
1404 hdr->dw1 = cpu_to_le32((sas_dev->device_id << CMD_HDR_DEV_ID_OFF) |
1405 (1 << CMD_HDR_FRAME_TYPE_OFF) |
1406 (DIR_NO_DATA << CMD_HDR_DIR_OFF));
1409 hdr->dw2 = cpu_to_le32((((req_len - 4) / 4) << CMD_HDR_CFL_OFF) |
1410 (HISI_SAS_MAX_SMP_RESP_SZ / 4 <<
1413 hdr->transfer_tags = cpu_to_le32(slot->idx << CMD_HDR_IPTT_OFF);
1415 hdr->cmd_table_addr = cpu_to_le64(req_dma_addr);
1416 hdr->sts_buffer_addr = cpu_to_le64(hisi_sas_status_buf_addr_dma(slot));
1419 static void prep_ata_v3_hw(struct hisi_hba *hisi_hba,
1420 struct hisi_sas_slot *slot)
1422 struct sas_task *task = slot->task;
1423 struct domain_device *device = task->dev;
1424 struct domain_device *parent_dev = device->parent;
1425 struct hisi_sas_device *sas_dev = device->lldd_dev;
1426 struct hisi_sas_cmd_hdr *hdr = slot->cmd_hdr;
1427 struct asd_sas_port *sas_port = device->port;
1428 struct hisi_sas_port *port = to_hisi_sas_port(sas_port);
1430 int has_data = 0, hdr_tag = 0;
1431 u32 dw1 = 0, dw2 = 0;
1433 hdr->dw0 = cpu_to_le32(port->id << CMD_HDR_PORT_OFF);
1434 if (parent_dev && dev_is_expander(parent_dev->dev_type))
1435 hdr->dw0 |= cpu_to_le32(3 << CMD_HDR_CMD_OFF);
1437 hdr->dw0 |= cpu_to_le32(4U << CMD_HDR_CMD_OFF);
1439 switch (task->data_dir) {
1442 dw1 |= DIR_TO_DEVICE << CMD_HDR_DIR_OFF;
1444 case DMA_FROM_DEVICE:
1446 dw1 |= DIR_TO_INI << CMD_HDR_DIR_OFF;
1449 dw1 &= ~CMD_HDR_DIR_MSK;
1452 if ((task->ata_task.fis.command == ATA_CMD_DEV_RESET) &&
1453 (task->ata_task.fis.control & ATA_SRST))
1454 dw1 |= 1 << CMD_HDR_RESET_OFF;
1456 dw1 |= (hisi_sas_get_ata_protocol(
1457 &task->ata_task.fis, task->data_dir))
1458 << CMD_HDR_FRAME_TYPE_OFF;
1459 dw1 |= sas_dev->device_id << CMD_HDR_DEV_ID_OFF;
1461 if (FIS_CMD_IS_UNCONSTRAINED(task->ata_task.fis))
1462 dw1 |= 1 << CMD_HDR_UNCON_CMD_OFF;
1464 hdr->dw1 = cpu_to_le32(dw1);
1467 if (task->ata_task.use_ncq) {
1468 struct ata_queued_cmd *qc = task->uldd_task;
1471 task->ata_task.fis.sector_count |= (u8) (hdr_tag << 3);
1472 dw2 |= hdr_tag << CMD_HDR_NCQ_TAG_OFF;
1475 dw2 |= (HISI_SAS_MAX_STP_RESP_SZ / 4) << CMD_HDR_CFL_OFF |
1476 2 << CMD_HDR_SG_MOD_OFF;
1477 hdr->dw2 = cpu_to_le32(dw2);
1480 hdr->transfer_tags = cpu_to_le32(slot->idx);
1483 prep_prd_sge_v3_hw(hisi_hba, slot, hdr, task->scatter,
1486 hdr->data_transfer_len = cpu_to_le32(task->total_xfer_len);
1487 hdr->cmd_table_addr = cpu_to_le64(hisi_sas_cmd_hdr_addr_dma(slot));
1488 hdr->sts_buffer_addr = cpu_to_le64(hisi_sas_status_buf_addr_dma(slot));
1490 buf_cmd = hisi_sas_cmd_hdr_addr_mem(slot);
1492 if (likely(!task->ata_task.device_control_reg_update))
1493 task->ata_task.fis.flags |= 0x80; /* C=1: update ATA cmd reg */
1494 /* fill in command FIS */
1495 memcpy(buf_cmd, &task->ata_task.fis, sizeof(struct host_to_dev_fis));
1498 static void prep_abort_v3_hw(struct hisi_hba *hisi_hba,
1499 struct hisi_sas_slot *slot)
1501 struct sas_task *task = slot->task;
1502 struct sas_internal_abort_task *abort = &task->abort_task;
1503 struct domain_device *dev = task->dev;
1504 struct hisi_sas_cmd_hdr *hdr = slot->cmd_hdr;
1505 struct hisi_sas_port *port = slot->port;
1506 struct hisi_sas_device *sas_dev = dev->lldd_dev;
1507 bool sata = dev_is_sata(dev);
1510 hdr->dw0 = cpu_to_le32((5U << CMD_HDR_CMD_OFF) | /* abort */
1511 (port->id << CMD_HDR_PORT_OFF) |
1512 (sata << CMD_HDR_ABORT_DEVICE_TYPE_OFF) |
1513 (abort->type << CMD_HDR_ABORT_FLAG_OFF));
1516 hdr->dw1 = cpu_to_le32(sas_dev->device_id
1517 << CMD_HDR_DEV_ID_OFF);
1520 hdr->dw7 = cpu_to_le32(abort->tag << CMD_HDR_ABORT_IPTT_OFF);
1521 hdr->transfer_tags = cpu_to_le32(slot->idx);
1524 static irqreturn_t phy_up_v3_hw(int phy_no, struct hisi_hba *hisi_hba)
1528 u32 context, port_id, link_rate;
1529 struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no];
1530 struct asd_sas_phy *sas_phy = &phy->sas_phy;
1531 struct device *dev = hisi_hba->dev;
1533 hisi_sas_phy_write32(hisi_hba, phy_no, PHYCTRL_PHY_ENA_MSK, 1);
1535 port_id = hisi_sas_read32(hisi_hba, PHY_PORT_NUM_MA);
1536 port_id = (port_id >> (4 * phy_no)) & 0xf;
1537 link_rate = hisi_sas_read32(hisi_hba, PHY_CONN_RATE);
1538 link_rate = (link_rate >> (phy_no * 4)) & 0xf;
1540 if (port_id == 0xf) {
1541 dev_err(dev, "phyup: phy%d invalid portid\n", phy_no);
1545 sas_phy->linkrate = link_rate;
1546 phy->phy_type &= ~(PORT_TYPE_SAS | PORT_TYPE_SATA);
1548 /* Check for SATA dev */
1549 context = hisi_sas_read32(hisi_hba, PHY_CONTEXT);
1550 if (context & (1 << phy_no)) {
1551 struct hisi_sas_initial_fis *initial_fis;
1552 struct dev_to_host_fis *fis;
1553 u8 attached_sas_addr[SAS_ADDR_SIZE] = {0};
1554 struct Scsi_Host *shost = hisi_hba->shost;
1556 dev_info(dev, "phyup: phy%d link_rate=%d(sata)\n", phy_no, link_rate);
1557 initial_fis = &hisi_hba->initial_fis[phy_no];
1558 fis = &initial_fis->fis;
1560 /* check ERR bit of Status Register */
1561 if (fis->status & ATA_ERR) {
1562 dev_warn(dev, "sata int: phy%d FIS status: 0x%x\n",
1563 phy_no, fis->status);
1564 hisi_sas_notify_phy_event(phy, HISI_PHYE_LINK_RESET);
1569 sas_phy->oob_mode = SATA_OOB_MODE;
1570 attached_sas_addr[0] = 0x50;
1571 attached_sas_addr[6] = shost->host_no;
1572 attached_sas_addr[7] = phy_no;
1573 memcpy(sas_phy->attached_sas_addr,
1576 memcpy(sas_phy->frame_rcvd, fis,
1577 sizeof(struct dev_to_host_fis));
1578 phy->phy_type |= PORT_TYPE_SATA;
1579 phy->identify.device_type = SAS_SATA_DEV;
1580 phy->frame_rcvd_size = sizeof(struct dev_to_host_fis);
1581 phy->identify.target_port_protocols = SAS_PROTOCOL_SATA;
1583 u32 *frame_rcvd = (u32 *)sas_phy->frame_rcvd;
1584 struct sas_identify_frame *id =
1585 (struct sas_identify_frame *)frame_rcvd;
1587 dev_info(dev, "phyup: phy%d link_rate=%d\n", phy_no, link_rate);
1588 for (i = 0; i < 6; i++) {
1589 u32 idaf = hisi_sas_phy_read32(hisi_hba, phy_no,
1590 RX_IDAF_DWORD0 + (i * 4));
1591 frame_rcvd[i] = __swab32(idaf);
1593 sas_phy->oob_mode = SAS_OOB_MODE;
1594 memcpy(sas_phy->attached_sas_addr,
1597 phy->phy_type |= PORT_TYPE_SAS;
1598 phy->identify.device_type = id->dev_type;
1599 phy->frame_rcvd_size = sizeof(struct sas_identify_frame);
1600 if (phy->identify.device_type == SAS_END_DEVICE)
1601 phy->identify.target_port_protocols =
1603 else if (phy->identify.device_type != SAS_PHY_UNUSED)
1604 phy->identify.target_port_protocols =
1608 phy->port_id = port_id;
1611 * Call pm_runtime_get_noresume() which pairs with
1612 * hisi_sas_phyup_pm_work() -> pm_runtime_put_sync().
1613 * For failure call pm_runtime_put() as we are in a hardirq context.
1615 pm_runtime_get_noresume(dev);
1616 res = hisi_sas_notify_phy_event(phy, HISI_PHYE_PHY_UP_PM);
1618 pm_runtime_put(dev);
1622 spin_lock(&phy->lock);
1623 /* Delete timer and set phy_attached atomically */
1624 del_timer(&phy->timer);
1625 phy->phy_attached = 1;
1626 spin_unlock(&phy->lock);
1628 if (phy->reset_completion)
1629 complete(phy->reset_completion);
1630 hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0,
1631 CHL_INT0_SL_PHY_ENABLE_MSK);
1632 hisi_sas_phy_write32(hisi_hba, phy_no, PHYCTRL_PHY_ENA_MSK, 0);
1637 static irqreturn_t phy_down_v3_hw(int phy_no, struct hisi_hba *hisi_hba)
1639 struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no];
1640 u32 phy_state, sl_ctrl, txid_auto;
1641 struct device *dev = hisi_hba->dev;
1643 atomic_inc(&phy->down_cnt);
1645 del_timer(&phy->timer);
1646 hisi_sas_phy_write32(hisi_hba, phy_no, PHYCTRL_NOT_RDY_MSK, 1);
1648 phy_state = hisi_sas_read32(hisi_hba, PHY_STATE);
1649 dev_info(dev, "phydown: phy%d phy_state=0x%x\n", phy_no, phy_state);
1650 hisi_sas_phy_down(hisi_hba, phy_no, (phy_state & 1 << phy_no) ? 1 : 0,
1653 sl_ctrl = hisi_sas_phy_read32(hisi_hba, phy_no, SL_CONTROL);
1654 hisi_sas_phy_write32(hisi_hba, phy_no, SL_CONTROL,
1655 sl_ctrl&(~SL_CTA_MSK));
1657 txid_auto = hisi_sas_phy_read32(hisi_hba, phy_no, TXID_AUTO);
1658 hisi_sas_phy_write32(hisi_hba, phy_no, TXID_AUTO,
1659 txid_auto | CT3_MSK);
1661 hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0, CHL_INT0_NOT_RDY_MSK);
1662 hisi_sas_phy_write32(hisi_hba, phy_no, PHYCTRL_NOT_RDY_MSK, 0);
1667 static irqreturn_t phy_bcast_v3_hw(int phy_no, struct hisi_hba *hisi_hba)
1669 struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no];
1672 hisi_sas_phy_write32(hisi_hba, phy_no, SL_RX_BCAST_CHK_MSK, 1);
1673 bcast_status = hisi_sas_phy_read32(hisi_hba, phy_no, RX_PRIMS_STATUS);
1674 if (bcast_status & RX_BCAST_CHG_MSK)
1675 hisi_sas_phy_bcast(phy);
1676 hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0,
1677 CHL_INT0_SL_RX_BCST_ACK_MSK);
1678 hisi_sas_phy_write32(hisi_hba, phy_no, SL_RX_BCAST_CHK_MSK, 0);
1683 static irqreturn_t int_phy_up_down_bcast_v3_hw(int irq_no, void *p)
1685 struct hisi_hba *hisi_hba = p;
1688 irqreturn_t res = IRQ_NONE;
1690 irq_msk = hisi_sas_read32(hisi_hba, CHNL_INT_STATUS)
1694 u32 irq_value = hisi_sas_phy_read32(hisi_hba, phy_no,
1696 u32 phy_state = hisi_sas_read32(hisi_hba, PHY_STATE);
1697 int rdy = phy_state & (1 << phy_no);
1700 if (irq_value & CHL_INT0_SL_PHY_ENABLE_MSK)
1702 if (phy_up_v3_hw(phy_no, hisi_hba)
1705 if (irq_value & CHL_INT0_SL_RX_BCST_ACK_MSK)
1707 if (phy_bcast_v3_hw(phy_no, hisi_hba)
1711 if (irq_value & CHL_INT0_NOT_RDY_MSK)
1713 if (phy_down_v3_hw(phy_no, hisi_hba)
1725 static const struct hisi_sas_hw_error port_axi_error[] = {
1727 .irq_msk = BIT(CHL_INT1_DMAC_TX_ECC_MB_ERR_OFF),
1728 .msg = "dmac_tx_ecc_bad_err",
1731 .irq_msk = BIT(CHL_INT1_DMAC_RX_ECC_MB_ERR_OFF),
1732 .msg = "dmac_rx_ecc_bad_err",
1735 .irq_msk = BIT(CHL_INT1_DMAC_TX_AXI_WR_ERR_OFF),
1736 .msg = "dma_tx_axi_wr_err",
1739 .irq_msk = BIT(CHL_INT1_DMAC_TX_AXI_RD_ERR_OFF),
1740 .msg = "dma_tx_axi_rd_err",
1743 .irq_msk = BIT(CHL_INT1_DMAC_RX_AXI_WR_ERR_OFF),
1744 .msg = "dma_rx_axi_wr_err",
1747 .irq_msk = BIT(CHL_INT1_DMAC_RX_AXI_RD_ERR_OFF),
1748 .msg = "dma_rx_axi_rd_err",
1751 .irq_msk = BIT(CHL_INT1_DMAC_TX_FIFO_ERR_OFF),
1752 .msg = "dma_tx_fifo_err",
1755 .irq_msk = BIT(CHL_INT1_DMAC_RX_FIFO_ERR_OFF),
1756 .msg = "dma_rx_fifo_err",
1759 .irq_msk = BIT(CHL_INT1_DMAC_TX_AXI_RUSER_ERR_OFF),
1760 .msg = "dma_tx_axi_ruser_err",
1763 .irq_msk = BIT(CHL_INT1_DMAC_RX_AXI_RUSER_ERR_OFF),
1764 .msg = "dma_rx_axi_ruser_err",
1768 static void handle_chl_int1_v3_hw(struct hisi_hba *hisi_hba, int phy_no)
1770 u32 irq_value = hisi_sas_phy_read32(hisi_hba, phy_no, CHL_INT1);
1771 u32 irq_msk = hisi_sas_phy_read32(hisi_hba, phy_no, CHL_INT1_MSK);
1772 struct device *dev = hisi_hba->dev;
1775 irq_value &= ~irq_msk;
1777 dev_warn(dev, "phy%d channel int 1 received with status bits cleared\n",
1782 for (i = 0; i < ARRAY_SIZE(port_axi_error); i++) {
1783 const struct hisi_sas_hw_error *error = &port_axi_error[i];
1785 if (!(irq_value & error->irq_msk))
1788 dev_err(dev, "%s error (phy%d 0x%x) found!\n",
1789 error->msg, phy_no, irq_value);
1790 queue_work(hisi_hba->wq, &hisi_hba->rst_work);
1793 hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT1, irq_value);
1796 static void phy_get_events_v3_hw(struct hisi_hba *hisi_hba, int phy_no)
1798 struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no];
1799 struct asd_sas_phy *sas_phy = &phy->sas_phy;
1800 struct sas_phy *sphy = sas_phy->phy;
1801 unsigned long flags;
1804 spin_lock_irqsave(&phy->lock, flags);
1806 /* loss dword sync */
1807 reg_value = hisi_sas_phy_read32(hisi_hba, phy_no, ERR_CNT_DWS_LOST);
1808 sphy->loss_of_dword_sync_count += reg_value;
1810 /* phy reset problem */
1811 reg_value = hisi_sas_phy_read32(hisi_hba, phy_no, ERR_CNT_RESET_PROB);
1812 sphy->phy_reset_problem_count += reg_value;
1815 reg_value = hisi_sas_phy_read32(hisi_hba, phy_no, ERR_CNT_INVLD_DW);
1816 sphy->invalid_dword_count += reg_value;
1819 reg_value = hisi_sas_phy_read32(hisi_hba, phy_no, ERR_CNT_DISP_ERR);
1820 sphy->running_disparity_error_count += reg_value;
1822 /* code violation error */
1823 reg_value = hisi_sas_phy_read32(hisi_hba, phy_no, ERR_CNT_CODE_ERR);
1824 phy->code_violation_err_count += reg_value;
1826 spin_unlock_irqrestore(&phy->lock, flags);
1829 static void handle_chl_int2_v3_hw(struct hisi_hba *hisi_hba, int phy_no)
1831 u32 irq_msk = hisi_sas_phy_read32(hisi_hba, phy_no, CHL_INT2_MSK);
1832 u32 irq_value = hisi_sas_phy_read32(hisi_hba, phy_no, CHL_INT2);
1833 struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no];
1834 struct pci_dev *pci_dev = hisi_hba->pci_dev;
1835 struct device *dev = hisi_hba->dev;
1836 static const u32 msk = BIT(CHL_INT2_RX_DISP_ERR_OFF) |
1837 BIT(CHL_INT2_RX_CODE_ERR_OFF) |
1838 BIT(CHL_INT2_RX_INVLD_DW_OFF);
1840 irq_value &= ~irq_msk;
1842 dev_warn(dev, "phy%d channel int 2 received with status bits cleared\n",
1847 if (irq_value & BIT(CHL_INT2_SL_IDAF_TOUT_CONF_OFF)) {
1848 dev_warn(dev, "phy%d identify timeout\n", phy_no);
1849 hisi_sas_notify_phy_event(phy, HISI_PHYE_LINK_RESET);
1852 if (irq_value & BIT(CHL_INT2_STP_LINK_TIMEOUT_OFF)) {
1853 u32 reg_value = hisi_sas_phy_read32(hisi_hba, phy_no,
1854 STP_LINK_TIMEOUT_STATE);
1856 dev_warn(dev, "phy%d stp link timeout (0x%x)\n",
1858 if (reg_value & BIT(4))
1859 hisi_sas_notify_phy_event(phy, HISI_PHYE_LINK_RESET);
1862 if (pci_dev->revision > 0x20 && (irq_value & msk)) {
1863 struct asd_sas_phy *sas_phy = &phy->sas_phy;
1864 struct sas_phy *sphy = sas_phy->phy;
1866 phy_get_events_v3_hw(hisi_hba, phy_no);
1868 if (irq_value & BIT(CHL_INT2_RX_INVLD_DW_OFF))
1869 dev_info(dev, "phy%d invalid dword cnt: %u\n", phy_no,
1870 sphy->invalid_dword_count);
1872 if (irq_value & BIT(CHL_INT2_RX_CODE_ERR_OFF))
1873 dev_info(dev, "phy%d code violation cnt: %u\n", phy_no,
1874 phy->code_violation_err_count);
1876 if (irq_value & BIT(CHL_INT2_RX_DISP_ERR_OFF))
1877 dev_info(dev, "phy%d disparity error cnt: %u\n", phy_no,
1878 sphy->running_disparity_error_count);
1881 if ((irq_value & BIT(CHL_INT2_RX_INVLD_DW_OFF)) &&
1882 (pci_dev->revision == 0x20)) {
1886 rc = hisi_sas_read32_poll_timeout_atomic(
1887 HILINK_ERR_DFX, reg_value,
1888 !((reg_value >> 8) & BIT(phy_no)),
1891 hisi_sas_notify_phy_event(phy, HISI_PHYE_LINK_RESET);
1894 hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT2, irq_value);
1897 static void handle_chl_int0_v3_hw(struct hisi_hba *hisi_hba, int phy_no)
1899 u32 irq_value0 = hisi_sas_phy_read32(hisi_hba, phy_no, CHL_INT0);
1901 if (irq_value0 & CHL_INT0_PHY_RDY_MSK)
1902 hisi_sas_phy_oob_ready(hisi_hba, phy_no);
1904 hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0,
1905 irq_value0 & (~CHL_INT0_SL_RX_BCST_ACK_MSK)
1906 & (~CHL_INT0_SL_PHY_ENABLE_MSK)
1907 & (~CHL_INT0_NOT_RDY_MSK));
1910 static irqreturn_t int_chnl_int_v3_hw(int irq_no, void *p)
1912 struct hisi_hba *hisi_hba = p;
1916 irq_msk = hisi_sas_read32(hisi_hba, CHNL_INT_STATUS)
1920 if (irq_msk & (CHNL_INT_STS_INT0_MSK << (phy_no * CHNL_WIDTH)))
1921 handle_chl_int0_v3_hw(hisi_hba, phy_no);
1923 if (irq_msk & (CHNL_INT_STS_INT1_MSK << (phy_no * CHNL_WIDTH)))
1924 handle_chl_int1_v3_hw(hisi_hba, phy_no);
1926 if (irq_msk & (CHNL_INT_STS_INT2_MSK << (phy_no * CHNL_WIDTH)))
1927 handle_chl_int2_v3_hw(hisi_hba, phy_no);
1929 irq_msk &= ~(CHNL_INT_STS_PHY_MSK << (phy_no * CHNL_WIDTH));
1936 static const struct hisi_sas_hw_error multi_bit_ecc_errors[] = {
1938 .irq_msk = BIT(SAS_ECC_INTR_DQE_ECC_MB_OFF),
1939 .msk = HGC_DQE_ECC_MB_ADDR_MSK,
1940 .shift = HGC_DQE_ECC_MB_ADDR_OFF,
1941 .msg = "hgc_dqe_eccbad_intr",
1942 .reg = HGC_DQE_ECC_ADDR,
1945 .irq_msk = BIT(SAS_ECC_INTR_IOST_ECC_MB_OFF),
1946 .msk = HGC_IOST_ECC_MB_ADDR_MSK,
1947 .shift = HGC_IOST_ECC_MB_ADDR_OFF,
1948 .msg = "hgc_iost_eccbad_intr",
1949 .reg = HGC_IOST_ECC_ADDR,
1952 .irq_msk = BIT(SAS_ECC_INTR_ITCT_ECC_MB_OFF),
1953 .msk = HGC_ITCT_ECC_MB_ADDR_MSK,
1954 .shift = HGC_ITCT_ECC_MB_ADDR_OFF,
1955 .msg = "hgc_itct_eccbad_intr",
1956 .reg = HGC_ITCT_ECC_ADDR,
1959 .irq_msk = BIT(SAS_ECC_INTR_IOSTLIST_ECC_MB_OFF),
1960 .msk = HGC_LM_DFX_STATUS2_IOSTLIST_MSK,
1961 .shift = HGC_LM_DFX_STATUS2_IOSTLIST_OFF,
1962 .msg = "hgc_iostl_eccbad_intr",
1963 .reg = HGC_LM_DFX_STATUS2,
1966 .irq_msk = BIT(SAS_ECC_INTR_ITCTLIST_ECC_MB_OFF),
1967 .msk = HGC_LM_DFX_STATUS2_ITCTLIST_MSK,
1968 .shift = HGC_LM_DFX_STATUS2_ITCTLIST_OFF,
1969 .msg = "hgc_itctl_eccbad_intr",
1970 .reg = HGC_LM_DFX_STATUS2,
1973 .irq_msk = BIT(SAS_ECC_INTR_CQE_ECC_MB_OFF),
1974 .msk = HGC_CQE_ECC_MB_ADDR_MSK,
1975 .shift = HGC_CQE_ECC_MB_ADDR_OFF,
1976 .msg = "hgc_cqe_eccbad_intr",
1977 .reg = HGC_CQE_ECC_ADDR,
1980 .irq_msk = BIT(SAS_ECC_INTR_NCQ_MEM0_ECC_MB_OFF),
1981 .msk = HGC_RXM_DFX_STATUS14_MEM0_MSK,
1982 .shift = HGC_RXM_DFX_STATUS14_MEM0_OFF,
1983 .msg = "rxm_mem0_eccbad_intr",
1984 .reg = HGC_RXM_DFX_STATUS14,
1987 .irq_msk = BIT(SAS_ECC_INTR_NCQ_MEM1_ECC_MB_OFF),
1988 .msk = HGC_RXM_DFX_STATUS14_MEM1_MSK,
1989 .shift = HGC_RXM_DFX_STATUS14_MEM1_OFF,
1990 .msg = "rxm_mem1_eccbad_intr",
1991 .reg = HGC_RXM_DFX_STATUS14,
1994 .irq_msk = BIT(SAS_ECC_INTR_NCQ_MEM2_ECC_MB_OFF),
1995 .msk = HGC_RXM_DFX_STATUS14_MEM2_MSK,
1996 .shift = HGC_RXM_DFX_STATUS14_MEM2_OFF,
1997 .msg = "rxm_mem2_eccbad_intr",
1998 .reg = HGC_RXM_DFX_STATUS14,
2001 .irq_msk = BIT(SAS_ECC_INTR_NCQ_MEM3_ECC_MB_OFF),
2002 .msk = HGC_RXM_DFX_STATUS15_MEM3_MSK,
2003 .shift = HGC_RXM_DFX_STATUS15_MEM3_OFF,
2004 .msg = "rxm_mem3_eccbad_intr",
2005 .reg = HGC_RXM_DFX_STATUS15,
2008 .irq_msk = BIT(SAS_ECC_INTR_OOO_RAM_ECC_MB_OFF),
2009 .msk = AM_ROB_ECC_ERR_ADDR_MSK,
2010 .shift = AM_ROB_ECC_ERR_ADDR_OFF,
2011 .msg = "ooo_ram_eccbad_intr",
2012 .reg = AM_ROB_ECC_ERR_ADDR,
2016 static void multi_bit_ecc_error_process_v3_hw(struct hisi_hba *hisi_hba,
2019 struct device *dev = hisi_hba->dev;
2020 const struct hisi_sas_hw_error *ecc_error;
2024 for (i = 0; i < ARRAY_SIZE(multi_bit_ecc_errors); i++) {
2025 ecc_error = &multi_bit_ecc_errors[i];
2026 if (irq_value & ecc_error->irq_msk) {
2027 val = hisi_sas_read32(hisi_hba, ecc_error->reg);
2028 val &= ecc_error->msk;
2029 val >>= ecc_error->shift;
2030 dev_err(dev, "%s (0x%x) found: mem addr is 0x%08X\n",
2031 ecc_error->msg, irq_value, val);
2032 queue_work(hisi_hba->wq, &hisi_hba->rst_work);
2037 static void fatal_ecc_int_v3_hw(struct hisi_hba *hisi_hba)
2039 u32 irq_value, irq_msk;
2041 irq_msk = hisi_sas_read32(hisi_hba, SAS_ECC_INTR_MSK);
2042 hisi_sas_write32(hisi_hba, SAS_ECC_INTR_MSK, 0xffffffff);
2044 irq_value = hisi_sas_read32(hisi_hba, SAS_ECC_INTR);
2046 multi_bit_ecc_error_process_v3_hw(hisi_hba, irq_value);
2048 hisi_sas_write32(hisi_hba, SAS_ECC_INTR, irq_value);
2049 hisi_sas_write32(hisi_hba, SAS_ECC_INTR_MSK, irq_msk);
2052 static const struct hisi_sas_hw_error axi_error[] = {
2053 { .msk = BIT(0), .msg = "IOST_AXI_W_ERR" },
2054 { .msk = BIT(1), .msg = "IOST_AXI_R_ERR" },
2055 { .msk = BIT(2), .msg = "ITCT_AXI_W_ERR" },
2056 { .msk = BIT(3), .msg = "ITCT_AXI_R_ERR" },
2057 { .msk = BIT(4), .msg = "SATA_AXI_W_ERR" },
2058 { .msk = BIT(5), .msg = "SATA_AXI_R_ERR" },
2059 { .msk = BIT(6), .msg = "DQE_AXI_R_ERR" },
2060 { .msk = BIT(7), .msg = "CQE_AXI_W_ERR" },
2064 static const struct hisi_sas_hw_error fifo_error[] = {
2065 { .msk = BIT(8), .msg = "CQE_WINFO_FIFO" },
2066 { .msk = BIT(9), .msg = "CQE_MSG_FIFIO" },
2067 { .msk = BIT(10), .msg = "GETDQE_FIFO" },
2068 { .msk = BIT(11), .msg = "CMDP_FIFO" },
2069 { .msk = BIT(12), .msg = "AWTCTRL_FIFO" },
2073 static const struct hisi_sas_hw_error fatal_axi_error[] = {
2075 .irq_msk = BIT(ENT_INT_SRC3_WP_DEPTH_OFF),
2076 .msg = "write pointer and depth",
2079 .irq_msk = BIT(ENT_INT_SRC3_IPTT_SLOT_NOMATCH_OFF),
2080 .msg = "iptt no match slot",
2083 .irq_msk = BIT(ENT_INT_SRC3_RP_DEPTH_OFF),
2084 .msg = "read pointer and depth",
2087 .irq_msk = BIT(ENT_INT_SRC3_AXI_OFF),
2088 .reg = HGC_AXI_FIFO_ERR_INFO,
2092 .irq_msk = BIT(ENT_INT_SRC3_FIFO_OFF),
2093 .reg = HGC_AXI_FIFO_ERR_INFO,
2097 .irq_msk = BIT(ENT_INT_SRC3_LM_OFF),
2098 .msg = "LM add/fetch list",
2101 .irq_msk = BIT(ENT_INT_SRC3_ABT_OFF),
2102 .msg = "SAS_HGC_ABT fetch LM list",
2105 .irq_msk = BIT(ENT_INT_SRC3_DQE_POISON_OFF),
2106 .msg = "read dqe poison",
2109 .irq_msk = BIT(ENT_INT_SRC3_IOST_POISON_OFF),
2110 .msg = "read iost poison",
2113 .irq_msk = BIT(ENT_INT_SRC3_ITCT_POISON_OFF),
2114 .msg = "read itct poison",
2117 .irq_msk = BIT(ENT_INT_SRC3_ITCT_NCQ_POISON_OFF),
2118 .msg = "read itct ncq poison",
2123 static irqreturn_t fatal_axi_int_v3_hw(int irq_no, void *p)
2125 u32 irq_value, irq_msk;
2126 struct hisi_hba *hisi_hba = p;
2127 struct device *dev = hisi_hba->dev;
2128 struct pci_dev *pdev = hisi_hba->pci_dev;
2131 irq_msk = hisi_sas_read32(hisi_hba, ENT_INT_SRC_MSK3);
2132 hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK3, irq_msk | 0x1df00);
2134 irq_value = hisi_sas_read32(hisi_hba, ENT_INT_SRC3);
2135 irq_value &= ~irq_msk;
2137 for (i = 0; i < ARRAY_SIZE(fatal_axi_error); i++) {
2138 const struct hisi_sas_hw_error *error = &fatal_axi_error[i];
2140 if (!(irq_value & error->irq_msk))
2144 const struct hisi_sas_hw_error *sub = error->sub;
2145 u32 err_value = hisi_sas_read32(hisi_hba, error->reg);
2147 for (; sub->msk || sub->msg; sub++) {
2148 if (!(err_value & sub->msk))
2151 dev_err(dev, "%s error (0x%x) found!\n",
2152 sub->msg, irq_value);
2153 queue_work(hisi_hba->wq, &hisi_hba->rst_work);
2156 dev_err(dev, "%s error (0x%x) found!\n",
2157 error->msg, irq_value);
2158 queue_work(hisi_hba->wq, &hisi_hba->rst_work);
2161 if (pdev->revision < 0x21) {
2164 reg_val = hisi_sas_read32(hisi_hba,
2165 AXI_MASTER_CFG_BASE +
2167 reg_val |= AM_CTRL_SHUTDOWN_REQ_MSK;
2168 hisi_sas_write32(hisi_hba, AXI_MASTER_CFG_BASE +
2169 AM_CTRL_GLOBAL, reg_val);
2173 fatal_ecc_int_v3_hw(hisi_hba);
2175 if (irq_value & BIT(ENT_INT_SRC3_ITC_INT_OFF)) {
2176 u32 reg_val = hisi_sas_read32(hisi_hba, ITCT_CLR);
2177 u32 dev_id = reg_val & ITCT_DEV_MSK;
2178 struct hisi_sas_device *sas_dev =
2179 &hisi_hba->devices[dev_id];
2181 hisi_sas_write32(hisi_hba, ITCT_CLR, 0);
2182 dev_dbg(dev, "clear ITCT ok\n");
2183 complete(sas_dev->completion);
2186 hisi_sas_write32(hisi_hba, ENT_INT_SRC3, irq_value & 0x1df00);
2187 hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK3, irq_msk);
2192 static bool is_ncq_err_v3_hw(struct hisi_sas_complete_v3_hdr *complete_hdr)
2196 dw0 = le32_to_cpu(complete_hdr->dw0);
2197 dw3 = le32_to_cpu(complete_hdr->dw3);
2199 return (dw0 & ERR_PHASE_RESPONSE_FRAME_REV_STAGE_MSK) &&
2200 (dw3 & FIS_TYPE_SDB_MSK) &&
2201 (dw3 & FIS_ATA_STATUS_ERR_MSK);
2205 slot_err_v3_hw(struct hisi_hba *hisi_hba, struct sas_task *task,
2206 struct hisi_sas_slot *slot)
2208 struct task_status_struct *ts = &task->task_status;
2209 struct hisi_sas_complete_v3_hdr *complete_queue =
2210 hisi_hba->complete_hdr[slot->cmplt_queue];
2211 struct hisi_sas_complete_v3_hdr *complete_hdr =
2212 &complete_queue[slot->cmplt_queue_slot];
2213 struct hisi_sas_err_record_v3 *record =
2214 hisi_sas_status_buf_addr_mem(slot);
2215 u32 dma_rx_err_type = le32_to_cpu(record->dma_rx_err_type);
2216 u32 trans_tx_fail_type = le32_to_cpu(record->trans_tx_fail_type);
2217 u16 sipc_rx_err_type = le16_to_cpu(record->sipc_rx_err_type);
2218 u32 dw3 = le32_to_cpu(complete_hdr->dw3);
2219 u32 dw0 = le32_to_cpu(complete_hdr->dw0);
2221 switch (task->task_proto) {
2222 case SAS_PROTOCOL_SSP:
2223 if (dma_rx_err_type & RX_DATA_LEN_UNDERFLOW_MSK) {
2225 * If returned response frame is incorrect because of data underflow,
2226 * but I/O information has been written to the host memory, we examine
2229 if (!(dw0 & CMPLT_HDR_RSPNS_GOOD_MSK) &&
2230 (dw0 & CMPLT_HDR_RSPNS_XFRD_MSK))
2233 ts->residual = trans_tx_fail_type;
2234 ts->stat = SAS_DATA_UNDERRUN;
2235 } else if (dw3 & CMPLT_HDR_IO_IN_TARGET_MSK) {
2236 ts->stat = SAS_QUEUE_FULL;
2239 ts->stat = SAS_OPEN_REJECT;
2240 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2243 case SAS_PROTOCOL_SATA:
2244 case SAS_PROTOCOL_STP:
2245 case SAS_PROTOCOL_SATA | SAS_PROTOCOL_STP:
2246 if ((dw0 & CMPLT_HDR_RSPNS_XFRD_MSK) &&
2247 (sipc_rx_err_type & RX_FIS_STATUS_ERR_MSK)) {
2248 ts->stat = SAS_PROTO_RESPONSE;
2249 } else if (dma_rx_err_type & RX_DATA_LEN_UNDERFLOW_MSK) {
2250 ts->residual = trans_tx_fail_type;
2251 ts->stat = SAS_DATA_UNDERRUN;
2252 } else if ((dw3 & CMPLT_HDR_IO_IN_TARGET_MSK) ||
2253 (dw3 & SATA_DISK_IN_ERROR_STATUS_MSK)) {
2254 ts->stat = SAS_PHY_DOWN;
2257 ts->stat = SAS_OPEN_REJECT;
2258 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2260 if (dw0 & CMPLT_HDR_RSPNS_XFRD_MSK)
2261 hisi_sas_sata_done(task, slot);
2263 case SAS_PROTOCOL_SMP:
2264 ts->stat = SAS_SAM_STAT_CHECK_CONDITION;
2272 static void slot_complete_v3_hw(struct hisi_hba *hisi_hba,
2273 struct hisi_sas_slot *slot)
2275 struct sas_task *task = slot->task;
2276 struct hisi_sas_device *sas_dev;
2277 struct device *dev = hisi_hba->dev;
2278 struct task_status_struct *ts;
2279 struct domain_device *device;
2280 struct sas_ha_struct *ha;
2281 struct hisi_sas_complete_v3_hdr *complete_queue =
2282 hisi_hba->complete_hdr[slot->cmplt_queue];
2283 struct hisi_sas_complete_v3_hdr *complete_hdr =
2284 &complete_queue[slot->cmplt_queue_slot];
2285 unsigned long flags;
2286 bool is_internal = slot->is_internal;
2289 if (unlikely(!task || !task->lldd_task || !task->dev))
2292 ts = &task->task_status;
2294 ha = device->port->ha;
2295 sas_dev = device->lldd_dev;
2297 spin_lock_irqsave(&task->task_state_lock, flags);
2298 task->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2299 spin_unlock_irqrestore(&task->task_state_lock, flags);
2301 memset(ts, 0, sizeof(*ts));
2302 ts->resp = SAS_TASK_COMPLETE;
2304 if (unlikely(!sas_dev)) {
2305 dev_dbg(dev, "slot complete: port has not device\n");
2306 ts->stat = SAS_PHY_DOWN;
2310 dw0 = le32_to_cpu(complete_hdr->dw0);
2311 dw1 = le32_to_cpu(complete_hdr->dw1);
2312 dw3 = le32_to_cpu(complete_hdr->dw3);
2315 * Use SAS+TMF status codes
2317 switch ((dw0 & CMPLT_HDR_ABORT_STAT_MSK) >> CMPLT_HDR_ABORT_STAT_OFF) {
2318 case STAT_IO_ABORTED:
2319 /* this IO has been aborted by abort command */
2320 ts->stat = SAS_ABORTED_TASK;
2322 case STAT_IO_COMPLETE:
2323 /* internal abort command complete */
2324 ts->stat = TMF_RESP_FUNC_SUCC;
2326 case STAT_IO_NO_DEVICE:
2327 ts->stat = TMF_RESP_FUNC_COMPLETE;
2329 case STAT_IO_NOT_VALID:
2331 * abort single IO, the controller can't find the IO
2333 ts->stat = TMF_RESP_FUNC_FAILED;
2339 /* check for erroneous completion */
2340 if ((dw0 & CMPLT_HDR_CMPLT_MSK) == 0x3) {
2341 u32 *error_info = hisi_sas_status_buf_addr_mem(slot);
2343 if (slot_err_v3_hw(hisi_hba, task, slot)) {
2344 if (ts->stat != SAS_DATA_UNDERRUN)
2345 dev_info(dev, "erroneous completion iptt=%d task=%pK dev id=%d addr=%016llx CQ hdr: 0x%x 0x%x 0x%x 0x%x Error info: 0x%x 0x%x 0x%x 0x%x\n",
2346 slot->idx, task, sas_dev->device_id,
2347 SAS_ADDR(device->sas_addr),
2348 dw0, dw1, complete_hdr->act, dw3,
2349 error_info[0], error_info[1],
2350 error_info[2], error_info[3]);
2351 if (unlikely(slot->abort)) {
2352 if (dev_is_sata(device) && task->ata_task.use_ncq)
2353 sas_ata_device_link_abort(device, true);
2355 sas_task_abort(task);
2363 switch (task->task_proto) {
2364 case SAS_PROTOCOL_SSP: {
2365 struct ssp_response_iu *iu =
2366 hisi_sas_status_buf_addr_mem(slot) +
2367 sizeof(struct hisi_sas_err_record);
2369 sas_ssp_task_response(dev, task, iu);
2372 case SAS_PROTOCOL_SMP: {
2373 struct scatterlist *sg_resp = &task->smp_task.smp_resp;
2374 void *to = page_address(sg_page(sg_resp));
2376 ts->stat = SAS_SAM_STAT_GOOD;
2378 memcpy(to + sg_resp->offset,
2379 hisi_sas_status_buf_addr_mem(slot) +
2380 sizeof(struct hisi_sas_err_record),
2384 case SAS_PROTOCOL_SATA:
2385 case SAS_PROTOCOL_STP:
2386 case SAS_PROTOCOL_SATA | SAS_PROTOCOL_STP:
2387 ts->stat = SAS_SAM_STAT_GOOD;
2388 if (dw0 & CMPLT_HDR_RSPNS_XFRD_MSK)
2389 hisi_sas_sata_done(task, slot);
2392 ts->stat = SAS_SAM_STAT_CHECK_CONDITION;
2396 if (!slot->port->port_attached) {
2397 dev_warn(dev, "slot complete: port %d has removed\n",
2398 slot->port->sas_port.id);
2399 ts->stat = SAS_PHY_DOWN;
2403 spin_lock_irqsave(&task->task_state_lock, flags);
2404 if (task->task_state_flags & SAS_TASK_STATE_ABORTED) {
2405 spin_unlock_irqrestore(&task->task_state_lock, flags);
2406 dev_info(dev, "slot complete: task(%pK) aborted\n", task);
2409 task->task_state_flags |= SAS_TASK_STATE_DONE;
2410 spin_unlock_irqrestore(&task->task_state_lock, flags);
2411 hisi_sas_slot_task_free(hisi_hba, task, slot, true);
2413 if (!is_internal && (task->task_proto != SAS_PROTOCOL_SMP)) {
2414 spin_lock_irqsave(&device->done_lock, flags);
2415 if (test_bit(SAS_HA_FROZEN, &ha->state)) {
2416 spin_unlock_irqrestore(&device->done_lock, flags);
2417 dev_info(dev, "slot complete: task(%pK) ignored\n ",
2421 spin_unlock_irqrestore(&device->done_lock, flags);
2424 if (task->task_done)
2425 task->task_done(task);
2428 static int complete_v3_hw(struct hisi_sas_cq *cq)
2430 struct hisi_sas_complete_v3_hdr *complete_queue;
2431 struct hisi_hba *hisi_hba = cq->hisi_hba;
2432 u32 rd_point, wr_point;
2436 rd_point = cq->rd_point;
2437 complete_queue = hisi_hba->complete_hdr[queue];
2439 wr_point = hisi_sas_read32(hisi_hba, COMPL_Q_0_WR_PTR +
2441 completed = (wr_point + HISI_SAS_QUEUE_SLOTS - rd_point) % HISI_SAS_QUEUE_SLOTS;
2443 while (rd_point != wr_point) {
2444 struct hisi_sas_complete_v3_hdr *complete_hdr;
2445 struct device *dev = hisi_hba->dev;
2446 struct hisi_sas_slot *slot;
2450 complete_hdr = &complete_queue[rd_point];
2451 dw0 = le32_to_cpu(complete_hdr->dw0);
2452 dw1 = le32_to_cpu(complete_hdr->dw1);
2453 dw3 = le32_to_cpu(complete_hdr->dw3);
2455 iptt = dw1 & CMPLT_HDR_IPTT_MSK;
2456 if (unlikely((dw0 & CMPLT_HDR_CMPLT_MSK) == 0x3) &&
2457 (dw3 & CMPLT_HDR_SATA_DISK_ERR_MSK)) {
2458 int device_id = (dw1 & CMPLT_HDR_DEV_ID_MSK) >>
2459 CMPLT_HDR_DEV_ID_OFF;
2460 struct hisi_sas_itct *itct =
2461 &hisi_hba->itct[device_id];
2462 struct hisi_sas_device *sas_dev =
2463 &hisi_hba->devices[device_id];
2464 struct domain_device *device = sas_dev->sas_device;
2466 dev_err(dev, "erroneous completion disk err dev id=%d sas_addr=0x%llx CQ hdr: 0x%x 0x%x 0x%x 0x%x\n",
2467 device_id, itct->sas_addr, dw0, dw1,
2468 complete_hdr->act, dw3);
2470 if (is_ncq_err_v3_hw(complete_hdr))
2471 sas_dev->dev_status = HISI_SAS_DEV_NCQ_ERR;
2473 sas_ata_device_link_abort(device, true);
2474 } else if (likely(iptt < HISI_SAS_COMMAND_ENTRIES_V3_HW)) {
2475 slot = &hisi_hba->slot_info[iptt];
2476 slot->cmplt_queue_slot = rd_point;
2477 slot->cmplt_queue = queue;
2478 slot_complete_v3_hw(hisi_hba, slot);
2480 dev_err(dev, "IPTT %d is invalid, discard it.\n", iptt);
2482 if (++rd_point >= HISI_SAS_QUEUE_SLOTS)
2486 /* update rd_point */
2487 cq->rd_point = rd_point;
2488 hisi_sas_write32(hisi_hba, COMPL_Q_0_RD_PTR + (0x14 * queue), rd_point);
2493 static int queue_complete_v3_hw(struct Scsi_Host *shost, unsigned int queue)
2495 struct hisi_hba *hisi_hba = shost_priv(shost);
2496 struct hisi_sas_cq *cq = &hisi_hba->cq[queue];
2499 spin_lock(&cq->poll_lock);
2500 completed = complete_v3_hw(cq);
2501 spin_unlock(&cq->poll_lock);
2506 static irqreturn_t cq_thread_v3_hw(int irq_no, void *p)
2508 struct hisi_sas_cq *cq = p;
2515 static irqreturn_t cq_interrupt_v3_hw(int irq_no, void *p)
2517 struct hisi_sas_cq *cq = p;
2518 struct hisi_hba *hisi_hba = cq->hisi_hba;
2521 hisi_sas_write32(hisi_hba, OQ_INT_SRC, 1 << queue);
2523 return IRQ_WAKE_THREAD;
2526 static void hisi_sas_v3_free_vectors(void *data)
2528 struct pci_dev *pdev = data;
2530 pci_free_irq_vectors(pdev);
2533 static int interrupt_preinit_v3_hw(struct hisi_hba *hisi_hba)
2535 /* Allocate all MSI vectors to avoid re-insertion issue */
2536 int max_msi = HISI_SAS_MSI_COUNT_V3_HW;
2537 int vectors, min_msi;
2538 struct Scsi_Host *shost = hisi_hba->shost;
2539 struct pci_dev *pdev = hisi_hba->pci_dev;
2540 struct irq_affinity desc = {
2541 .pre_vectors = BASE_VECTORS_V3_HW,
2544 min_msi = MIN_AFFINE_VECTORS_V3_HW;
2545 vectors = pci_alloc_irq_vectors_affinity(pdev,
2554 hisi_hba->cq_nvecs = vectors - BASE_VECTORS_V3_HW - hisi_hba->iopoll_q_cnt;
2555 shost->nr_hw_queues = hisi_hba->cq_nvecs + hisi_hba->iopoll_q_cnt;
2557 return devm_add_action(&pdev->dev, hisi_sas_v3_free_vectors, pdev);
2560 static int interrupt_init_v3_hw(struct hisi_hba *hisi_hba)
2562 struct device *dev = hisi_hba->dev;
2563 struct pci_dev *pdev = hisi_hba->pci_dev;
2566 rc = devm_request_irq(dev, pci_irq_vector(pdev, 1),
2567 int_phy_up_down_bcast_v3_hw, 0,
2568 DRV_NAME " phy", hisi_hba);
2570 dev_err(dev, "could not request phy interrupt, rc=%d\n", rc);
2574 rc = devm_request_irq(dev, pci_irq_vector(pdev, 2),
2575 int_chnl_int_v3_hw, 0,
2576 DRV_NAME " channel", hisi_hba);
2578 dev_err(dev, "could not request chnl interrupt, rc=%d\n", rc);
2582 rc = devm_request_irq(dev, pci_irq_vector(pdev, 11),
2583 fatal_axi_int_v3_hw, 0,
2584 DRV_NAME " fatal", hisi_hba);
2586 dev_err(dev, "could not request fatal interrupt, rc=%d\n", rc);
2590 if (hisi_sas_intr_conv)
2591 dev_info(dev, "Enable interrupt converge\n");
2593 for (i = 0; i < hisi_hba->cq_nvecs; i++) {
2594 struct hisi_sas_cq *cq = &hisi_hba->cq[i];
2595 int nr = hisi_sas_intr_conv ? 16 : 16 + i;
2596 unsigned long irqflags = hisi_sas_intr_conv ? IRQF_SHARED :
2599 cq->irq_no = pci_irq_vector(pdev, nr);
2600 rc = devm_request_threaded_irq(dev, cq->irq_no,
2604 DRV_NAME " cq", cq);
2606 dev_err(dev, "could not request cq%d interrupt, rc=%d\n",
2610 cq->irq_mask = pci_irq_get_affinity(pdev, i + BASE_VECTORS_V3_HW);
2611 if (!cq->irq_mask) {
2612 dev_err(dev, "could not get cq%d irq affinity!\n", i);
2620 static int hisi_sas_v3_init(struct hisi_hba *hisi_hba)
2624 rc = hw_init_v3_hw(hisi_hba);
2628 rc = interrupt_init_v3_hw(hisi_hba);
2635 static void phy_set_linkrate_v3_hw(struct hisi_hba *hisi_hba, int phy_no,
2636 struct sas_phy_linkrates *r)
2638 enum sas_linkrate max = r->maximum_linkrate;
2639 u32 prog_phy_link_rate = hisi_sas_phy_read32(hisi_hba, phy_no,
2640 PROG_PHY_LINK_RATE);
2642 prog_phy_link_rate &= ~CFG_PROG_PHY_LINK_RATE_MSK;
2643 prog_phy_link_rate |= hisi_sas_get_prog_phy_linkrate_mask(max);
2644 hisi_sas_phy_write32(hisi_hba, phy_no, PROG_PHY_LINK_RATE,
2645 prog_phy_link_rate);
2648 static void interrupt_disable_v3_hw(struct hisi_hba *hisi_hba)
2650 struct pci_dev *pdev = hisi_hba->pci_dev;
2653 synchronize_irq(pci_irq_vector(pdev, 1));
2654 synchronize_irq(pci_irq_vector(pdev, 2));
2655 synchronize_irq(pci_irq_vector(pdev, 11));
2656 for (i = 0; i < hisi_hba->queue_count; i++)
2657 hisi_sas_write32(hisi_hba, OQ0_INT_SRC_MSK + 0x4 * i, 0x1);
2659 for (i = 0; i < hisi_hba->cq_nvecs; i++)
2660 synchronize_irq(pci_irq_vector(pdev, i + 16));
2662 hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK1, 0xffffffff);
2663 hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK2, 0xffffffff);
2664 hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK3, 0xffffffff);
2665 hisi_sas_write32(hisi_hba, SAS_ECC_INTR_MSK, 0xffffffff);
2667 for (i = 0; i < hisi_hba->n_phy; i++) {
2668 hisi_sas_phy_write32(hisi_hba, i, CHL_INT1_MSK, 0xffffffff);
2669 hisi_sas_phy_write32(hisi_hba, i, CHL_INT2_MSK, 0xffffffff);
2670 hisi_sas_phy_write32(hisi_hba, i, PHYCTRL_NOT_RDY_MSK, 0x1);
2671 hisi_sas_phy_write32(hisi_hba, i, PHYCTRL_PHY_ENA_MSK, 0x1);
2672 hisi_sas_phy_write32(hisi_hba, i, SL_RX_BCAST_CHK_MSK, 0x1);
2676 static u32 get_phys_state_v3_hw(struct hisi_hba *hisi_hba)
2678 return hisi_sas_read32(hisi_hba, PHY_STATE);
2681 static int disable_host_v3_hw(struct hisi_hba *hisi_hba)
2683 struct device *dev = hisi_hba->dev;
2684 u32 status, reg_val;
2687 hisi_sas_sync_poll_cqs(hisi_hba);
2688 hisi_sas_write32(hisi_hba, DLVRY_QUEUE_ENABLE, 0x0);
2690 hisi_sas_stop_phys(hisi_hba);
2694 reg_val = hisi_sas_read32(hisi_hba, AXI_MASTER_CFG_BASE +
2696 reg_val |= AM_CTRL_SHUTDOWN_REQ_MSK;
2697 hisi_sas_write32(hisi_hba, AXI_MASTER_CFG_BASE +
2698 AM_CTRL_GLOBAL, reg_val);
2700 /* wait until bus idle */
2701 rc = hisi_sas_read32_poll_timeout(AXI_MASTER_CFG_BASE +
2702 AM_CURR_TRANS_RETURN, status,
2703 status == 0x3, 10, 100);
2705 dev_err(dev, "axi bus is not idle, rc=%d\n", rc);
2712 static int soft_reset_v3_hw(struct hisi_hba *hisi_hba)
2714 struct device *dev = hisi_hba->dev;
2717 interrupt_disable_v3_hw(hisi_hba);
2718 rc = disable_host_v3_hw(hisi_hba);
2720 dev_err(dev, "soft reset: disable host failed rc=%d\n", rc);
2724 hisi_sas_init_mem(hisi_hba);
2726 return hw_init_v3_hw(hisi_hba);
2729 static int write_gpio_v3_hw(struct hisi_hba *hisi_hba, u8 reg_type,
2730 u8 reg_index, u8 reg_count, u8 *write_data)
2732 struct device *dev = hisi_hba->dev;
2733 u32 *data = (u32 *)write_data;
2737 case SAS_GPIO_REG_TX:
2738 if ((reg_index + reg_count) > ((hisi_hba->n_phy + 3) / 4)) {
2739 dev_err(dev, "write gpio: invalid reg range[%d, %d]\n",
2740 reg_index, reg_index + reg_count - 1);
2744 for (i = 0; i < reg_count; i++)
2745 hisi_sas_write32(hisi_hba,
2746 SAS_GPIO_TX_0_1 + (reg_index + i) * 4,
2750 dev_err(dev, "write gpio: unsupported or bad reg type %d\n",
2758 static void wait_cmds_complete_timeout_v3_hw(struct hisi_hba *hisi_hba,
2759 int delay_ms, int timeout_ms)
2761 struct device *dev = hisi_hba->dev;
2762 int entries, entries_old = 0, time;
2764 for (time = 0; time < timeout_ms; time += delay_ms) {
2765 entries = hisi_sas_read32(hisi_hba, CQE_SEND_CNT);
2766 if (entries == entries_old)
2769 entries_old = entries;
2773 if (time >= timeout_ms) {
2774 dev_dbg(dev, "Wait commands complete timeout!\n");
2778 dev_dbg(dev, "wait commands complete %dms\n", time);
2781 static ssize_t intr_conv_v3_hw_show(struct device *dev,
2782 struct device_attribute *attr, char *buf)
2784 return scnprintf(buf, PAGE_SIZE, "%u\n", hisi_sas_intr_conv);
2786 static DEVICE_ATTR_RO(intr_conv_v3_hw);
2788 static void config_intr_coal_v3_hw(struct hisi_hba *hisi_hba)
2790 /* config those registers between enable and disable PHYs */
2791 hisi_sas_stop_phys(hisi_hba);
2793 if (hisi_hba->intr_coal_ticks == 0 ||
2794 hisi_hba->intr_coal_count == 0) {
2795 hisi_sas_write32(hisi_hba, INT_COAL_EN, 0x1);
2796 hisi_sas_write32(hisi_hba, OQ_INT_COAL_TIME, 0x1);
2797 hisi_sas_write32(hisi_hba, OQ_INT_COAL_CNT, 0x1);
2799 hisi_sas_write32(hisi_hba, INT_COAL_EN, 0x3);
2800 hisi_sas_write32(hisi_hba, OQ_INT_COAL_TIME,
2801 hisi_hba->intr_coal_ticks);
2802 hisi_sas_write32(hisi_hba, OQ_INT_COAL_CNT,
2803 hisi_hba->intr_coal_count);
2805 phys_init_v3_hw(hisi_hba);
2808 static ssize_t intr_coal_ticks_v3_hw_show(struct device *dev,
2809 struct device_attribute *attr,
2812 struct Scsi_Host *shost = class_to_shost(dev);
2813 struct hisi_hba *hisi_hba = shost_priv(shost);
2815 return scnprintf(buf, PAGE_SIZE, "%u\n",
2816 hisi_hba->intr_coal_ticks);
2819 static ssize_t intr_coal_ticks_v3_hw_store(struct device *dev,
2820 struct device_attribute *attr,
2821 const char *buf, size_t count)
2823 struct Scsi_Host *shost = class_to_shost(dev);
2824 struct hisi_hba *hisi_hba = shost_priv(shost);
2825 u32 intr_coal_ticks;
2828 ret = kstrtou32(buf, 10, &intr_coal_ticks);
2830 dev_err(dev, "Input data of interrupt coalesce unmatch\n");
2834 if (intr_coal_ticks >= BIT(24)) {
2835 dev_err(dev, "intr_coal_ticks must be less than 2^24!\n");
2839 hisi_hba->intr_coal_ticks = intr_coal_ticks;
2841 config_intr_coal_v3_hw(hisi_hba);
2845 static DEVICE_ATTR_RW(intr_coal_ticks_v3_hw);
2847 static ssize_t intr_coal_count_v3_hw_show(struct device *dev,
2848 struct device_attribute
2851 struct Scsi_Host *shost = class_to_shost(dev);
2852 struct hisi_hba *hisi_hba = shost_priv(shost);
2854 return scnprintf(buf, PAGE_SIZE, "%u\n",
2855 hisi_hba->intr_coal_count);
2858 static ssize_t intr_coal_count_v3_hw_store(struct device *dev,
2859 struct device_attribute
2860 *attr, const char *buf, size_t count)
2862 struct Scsi_Host *shost = class_to_shost(dev);
2863 struct hisi_hba *hisi_hba = shost_priv(shost);
2864 u32 intr_coal_count;
2867 ret = kstrtou32(buf, 10, &intr_coal_count);
2869 dev_err(dev, "Input data of interrupt coalesce unmatch\n");
2873 if (intr_coal_count >= BIT(8)) {
2874 dev_err(dev, "intr_coal_count must be less than 2^8!\n");
2878 hisi_hba->intr_coal_count = intr_coal_count;
2880 config_intr_coal_v3_hw(hisi_hba);
2884 static DEVICE_ATTR_RW(intr_coal_count_v3_hw);
2886 static ssize_t iopoll_q_cnt_v3_hw_show(struct device *dev,
2887 struct device_attribute
2890 struct Scsi_Host *shost = class_to_shost(dev);
2891 struct hisi_hba *hisi_hba = shost_priv(shost);
2893 return scnprintf(buf, PAGE_SIZE, "%u\n",
2894 hisi_hba->iopoll_q_cnt);
2896 static DEVICE_ATTR_RO(iopoll_q_cnt_v3_hw);
2898 static int slave_configure_v3_hw(struct scsi_device *sdev)
2900 struct Scsi_Host *shost = dev_to_shost(&sdev->sdev_gendev);
2901 struct hisi_hba *hisi_hba = shost_priv(shost);
2902 int ret = hisi_sas_slave_configure(sdev);
2903 struct device *dev = hisi_hba->dev;
2908 if (sdev->type == TYPE_ENCLOSURE)
2911 if (!device_link_add(&sdev->sdev_gendev, dev,
2912 DL_FLAG_PM_RUNTIME | DL_FLAG_RPM_ACTIVE)) {
2913 if (pm_runtime_enabled(dev)) {
2914 dev_info(dev, "add device link failed, disable runtime PM for the host\n");
2915 pm_runtime_disable(dev);
2922 static struct attribute *host_v3_hw_attrs[] = {
2923 &dev_attr_phy_event_threshold.attr,
2924 &dev_attr_intr_conv_v3_hw.attr,
2925 &dev_attr_intr_coal_ticks_v3_hw.attr,
2926 &dev_attr_intr_coal_count_v3_hw.attr,
2927 &dev_attr_iopoll_q_cnt_v3_hw.attr,
2931 ATTRIBUTE_GROUPS(host_v3_hw);
2933 #define HISI_SAS_DEBUGFS_REG(x) {#x, x}
2935 struct hisi_sas_debugfs_reg_lu {
2940 struct hisi_sas_debugfs_reg {
2941 const struct hisi_sas_debugfs_reg_lu *lu;
2946 static const struct hisi_sas_debugfs_reg_lu debugfs_port_reg_lu[] = {
2947 HISI_SAS_DEBUGFS_REG(PHY_CFG),
2948 HISI_SAS_DEBUGFS_REG(HARD_PHY_LINKRATE),
2949 HISI_SAS_DEBUGFS_REG(PROG_PHY_LINK_RATE),
2950 HISI_SAS_DEBUGFS_REG(PHY_CTRL),
2951 HISI_SAS_DEBUGFS_REG(SL_CFG),
2952 HISI_SAS_DEBUGFS_REG(AIP_LIMIT),
2953 HISI_SAS_DEBUGFS_REG(SL_CONTROL),
2954 HISI_SAS_DEBUGFS_REG(RX_PRIMS_STATUS),
2955 HISI_SAS_DEBUGFS_REG(TX_ID_DWORD0),
2956 HISI_SAS_DEBUGFS_REG(TX_ID_DWORD1),
2957 HISI_SAS_DEBUGFS_REG(TX_ID_DWORD2),
2958 HISI_SAS_DEBUGFS_REG(TX_ID_DWORD3),
2959 HISI_SAS_DEBUGFS_REG(TX_ID_DWORD4),
2960 HISI_SAS_DEBUGFS_REG(TX_ID_DWORD5),
2961 HISI_SAS_DEBUGFS_REG(TX_ID_DWORD6),
2962 HISI_SAS_DEBUGFS_REG(TXID_AUTO),
2963 HISI_SAS_DEBUGFS_REG(RX_IDAF_DWORD0),
2964 HISI_SAS_DEBUGFS_REG(RXOP_CHECK_CFG_H),
2965 HISI_SAS_DEBUGFS_REG(STP_LINK_TIMER),
2966 HISI_SAS_DEBUGFS_REG(STP_LINK_TIMEOUT_STATE),
2967 HISI_SAS_DEBUGFS_REG(CON_CFG_DRIVER),
2968 HISI_SAS_DEBUGFS_REG(SAS_SSP_CON_TIMER_CFG),
2969 HISI_SAS_DEBUGFS_REG(SAS_SMP_CON_TIMER_CFG),
2970 HISI_SAS_DEBUGFS_REG(SAS_STP_CON_TIMER_CFG),
2971 HISI_SAS_DEBUGFS_REG(CHL_INT0),
2972 HISI_SAS_DEBUGFS_REG(CHL_INT1),
2973 HISI_SAS_DEBUGFS_REG(CHL_INT2),
2974 HISI_SAS_DEBUGFS_REG(CHL_INT0_MSK),
2975 HISI_SAS_DEBUGFS_REG(CHL_INT1_MSK),
2976 HISI_SAS_DEBUGFS_REG(CHL_INT2_MSK),
2977 HISI_SAS_DEBUGFS_REG(SAS_EC_INT_COAL_TIME),
2978 HISI_SAS_DEBUGFS_REG(CHL_INT_COAL_EN),
2979 HISI_SAS_DEBUGFS_REG(SAS_RX_TRAIN_TIMER),
2980 HISI_SAS_DEBUGFS_REG(PHY_CTRL_RDY_MSK),
2981 HISI_SAS_DEBUGFS_REG(PHYCTRL_NOT_RDY_MSK),
2982 HISI_SAS_DEBUGFS_REG(PHYCTRL_DWS_RESET_MSK),
2983 HISI_SAS_DEBUGFS_REG(PHYCTRL_PHY_ENA_MSK),
2984 HISI_SAS_DEBUGFS_REG(SL_RX_BCAST_CHK_MSK),
2985 HISI_SAS_DEBUGFS_REG(PHYCTRL_OOB_RESTART_MSK),
2986 HISI_SAS_DEBUGFS_REG(DMA_TX_STATUS),
2987 HISI_SAS_DEBUGFS_REG(DMA_RX_STATUS),
2988 HISI_SAS_DEBUGFS_REG(COARSETUNE_TIME),
2989 HISI_SAS_DEBUGFS_REG(ERR_CNT_DWS_LOST),
2990 HISI_SAS_DEBUGFS_REG(ERR_CNT_RESET_PROB),
2991 HISI_SAS_DEBUGFS_REG(ERR_CNT_INVLD_DW),
2992 HISI_SAS_DEBUGFS_REG(ERR_CNT_CODE_ERR),
2993 HISI_SAS_DEBUGFS_REG(ERR_CNT_DISP_ERR),
2997 static const struct hisi_sas_debugfs_reg debugfs_port_reg = {
2998 .lu = debugfs_port_reg_lu,
3000 .base_off = PORT_BASE,
3003 static const struct hisi_sas_debugfs_reg_lu debugfs_global_reg_lu[] = {
3004 HISI_SAS_DEBUGFS_REG(DLVRY_QUEUE_ENABLE),
3005 HISI_SAS_DEBUGFS_REG(PHY_CONTEXT),
3006 HISI_SAS_DEBUGFS_REG(PHY_STATE),
3007 HISI_SAS_DEBUGFS_REG(PHY_PORT_NUM_MA),
3008 HISI_SAS_DEBUGFS_REG(PHY_CONN_RATE),
3009 HISI_SAS_DEBUGFS_REG(ITCT_CLR),
3010 HISI_SAS_DEBUGFS_REG(IO_SATA_BROKEN_MSG_ADDR_LO),
3011 HISI_SAS_DEBUGFS_REG(IO_SATA_BROKEN_MSG_ADDR_HI),
3012 HISI_SAS_DEBUGFS_REG(SATA_INITI_D2H_STORE_ADDR_LO),
3013 HISI_SAS_DEBUGFS_REG(SATA_INITI_D2H_STORE_ADDR_HI),
3014 HISI_SAS_DEBUGFS_REG(CFG_MAX_TAG),
3015 HISI_SAS_DEBUGFS_REG(TRANS_LOCK_ICT_TIME),
3016 HISI_SAS_DEBUGFS_REG(HGC_SAS_TX_OPEN_FAIL_RETRY_CTRL),
3017 HISI_SAS_DEBUGFS_REG(HGC_SAS_TXFAIL_RETRY_CTRL),
3018 HISI_SAS_DEBUGFS_REG(HGC_GET_ITV_TIME),
3019 HISI_SAS_DEBUGFS_REG(DEVICE_MSG_WORK_MODE),
3020 HISI_SAS_DEBUGFS_REG(OPENA_WT_CONTI_TIME),
3021 HISI_SAS_DEBUGFS_REG(I_T_NEXUS_LOSS_TIME),
3022 HISI_SAS_DEBUGFS_REG(MAX_CON_TIME_LIMIT_TIME),
3023 HISI_SAS_DEBUGFS_REG(BUS_INACTIVE_LIMIT_TIME),
3024 HISI_SAS_DEBUGFS_REG(REJECT_TO_OPEN_LIMIT_TIME),
3025 HISI_SAS_DEBUGFS_REG(CQ_INT_CONVERGE_EN),
3026 HISI_SAS_DEBUGFS_REG(CFG_AGING_TIME),
3027 HISI_SAS_DEBUGFS_REG(HGC_DFX_CFG2),
3028 HISI_SAS_DEBUGFS_REG(CFG_ABT_SET_QUERY_IPTT),
3029 HISI_SAS_DEBUGFS_REG(CFG_ABT_SET_IPTT_DONE),
3030 HISI_SAS_DEBUGFS_REG(HGC_IOMB_PROC1_STATUS),
3031 HISI_SAS_DEBUGFS_REG(CHNL_INT_STATUS),
3032 HISI_SAS_DEBUGFS_REG(HGC_AXI_FIFO_ERR_INFO),
3033 HISI_SAS_DEBUGFS_REG(INT_COAL_EN),
3034 HISI_SAS_DEBUGFS_REG(OQ_INT_COAL_TIME),
3035 HISI_SAS_DEBUGFS_REG(OQ_INT_COAL_CNT),
3036 HISI_SAS_DEBUGFS_REG(ENT_INT_COAL_TIME),
3037 HISI_SAS_DEBUGFS_REG(ENT_INT_COAL_CNT),
3038 HISI_SAS_DEBUGFS_REG(OQ_INT_SRC),
3039 HISI_SAS_DEBUGFS_REG(OQ_INT_SRC_MSK),
3040 HISI_SAS_DEBUGFS_REG(ENT_INT_SRC1),
3041 HISI_SAS_DEBUGFS_REG(ENT_INT_SRC2),
3042 HISI_SAS_DEBUGFS_REG(ENT_INT_SRC3),
3043 HISI_SAS_DEBUGFS_REG(ENT_INT_SRC_MSK1),
3044 HISI_SAS_DEBUGFS_REG(ENT_INT_SRC_MSK2),
3045 HISI_SAS_DEBUGFS_REG(ENT_INT_SRC_MSK3),
3046 HISI_SAS_DEBUGFS_REG(CHNL_PHYUPDOWN_INT_MSK),
3047 HISI_SAS_DEBUGFS_REG(CHNL_ENT_INT_MSK),
3048 HISI_SAS_DEBUGFS_REG(HGC_COM_INT_MSK),
3049 HISI_SAS_DEBUGFS_REG(SAS_ECC_INTR),
3050 HISI_SAS_DEBUGFS_REG(SAS_ECC_INTR_MSK),
3051 HISI_SAS_DEBUGFS_REG(HGC_ERR_STAT_EN),
3052 HISI_SAS_DEBUGFS_REG(CQE_SEND_CNT),
3053 HISI_SAS_DEBUGFS_REG(DLVRY_Q_0_DEPTH),
3054 HISI_SAS_DEBUGFS_REG(DLVRY_Q_0_WR_PTR),
3055 HISI_SAS_DEBUGFS_REG(DLVRY_Q_0_RD_PTR),
3056 HISI_SAS_DEBUGFS_REG(HYPER_STREAM_ID_EN_CFG),
3057 HISI_SAS_DEBUGFS_REG(OQ0_INT_SRC_MSK),
3058 HISI_SAS_DEBUGFS_REG(COMPL_Q_0_DEPTH),
3059 HISI_SAS_DEBUGFS_REG(COMPL_Q_0_WR_PTR),
3060 HISI_SAS_DEBUGFS_REG(COMPL_Q_0_RD_PTR),
3061 HISI_SAS_DEBUGFS_REG(AWQOS_AWCACHE_CFG),
3062 HISI_SAS_DEBUGFS_REG(ARQOS_ARCACHE_CFG),
3063 HISI_SAS_DEBUGFS_REG(HILINK_ERR_DFX),
3064 HISI_SAS_DEBUGFS_REG(SAS_GPIO_CFG_0),
3065 HISI_SAS_DEBUGFS_REG(SAS_GPIO_CFG_1),
3066 HISI_SAS_DEBUGFS_REG(SAS_GPIO_TX_0_1),
3067 HISI_SAS_DEBUGFS_REG(SAS_CFG_DRIVE_VLD),
3071 static const struct hisi_sas_debugfs_reg debugfs_global_reg = {
3072 .lu = debugfs_global_reg_lu,
3076 static const struct hisi_sas_debugfs_reg_lu debugfs_axi_reg_lu[] = {
3077 HISI_SAS_DEBUGFS_REG(AM_CFG_MAX_TRANS),
3078 HISI_SAS_DEBUGFS_REG(AM_CFG_SINGLE_PORT_MAX_TRANS),
3079 HISI_SAS_DEBUGFS_REG(AXI_CFG),
3080 HISI_SAS_DEBUGFS_REG(AM_ROB_ECC_ERR_ADDR),
3084 static const struct hisi_sas_debugfs_reg debugfs_axi_reg = {
3085 .lu = debugfs_axi_reg_lu,
3087 .base_off = AXI_MASTER_CFG_BASE,
3090 static const struct hisi_sas_debugfs_reg_lu debugfs_ras_reg_lu[] = {
3091 HISI_SAS_DEBUGFS_REG(SAS_RAS_INTR0),
3092 HISI_SAS_DEBUGFS_REG(SAS_RAS_INTR1),
3093 HISI_SAS_DEBUGFS_REG(SAS_RAS_INTR0_MASK),
3094 HISI_SAS_DEBUGFS_REG(SAS_RAS_INTR1_MASK),
3095 HISI_SAS_DEBUGFS_REG(CFG_SAS_RAS_INTR_MASK),
3096 HISI_SAS_DEBUGFS_REG(SAS_RAS_INTR2),
3097 HISI_SAS_DEBUGFS_REG(SAS_RAS_INTR2_MASK),
3101 static const struct hisi_sas_debugfs_reg debugfs_ras_reg = {
3102 .lu = debugfs_ras_reg_lu,
3104 .base_off = RAS_BASE,
3107 static void debugfs_snapshot_prepare_v3_hw(struct hisi_hba *hisi_hba)
3109 struct Scsi_Host *shost = hisi_hba->shost;
3111 scsi_block_requests(shost);
3112 wait_cmds_complete_timeout_v3_hw(hisi_hba, 100, 5000);
3114 set_bit(HISI_SAS_REJECT_CMD_BIT, &hisi_hba->flags);
3115 hisi_sas_sync_cqs(hisi_hba);
3116 hisi_sas_write32(hisi_hba, DLVRY_QUEUE_ENABLE, 0);
3119 static void debugfs_snapshot_restore_v3_hw(struct hisi_hba *hisi_hba)
3121 struct Scsi_Host *shost = hisi_hba->shost;
3123 hisi_sas_write32(hisi_hba, DLVRY_QUEUE_ENABLE,
3124 (u32)((1ULL << hisi_hba->queue_count) - 1));
3126 clear_bit(HISI_SAS_REJECT_CMD_BIT, &hisi_hba->flags);
3127 scsi_unblock_requests(shost);
3130 static void read_iost_itct_cache_v3_hw(struct hisi_hba *hisi_hba,
3131 enum hisi_sas_debugfs_cache_type type,
3134 u32 cache_dw_size = HISI_SAS_IOST_ITCT_CACHE_DW_SZ *
3135 HISI_SAS_IOST_ITCT_CACHE_NUM;
3136 struct device *dev = hisi_hba->dev;
3140 hisi_sas_write32(hisi_hba, TAB_RD_TYPE, type);
3142 for (i = 0; i < HISI_SAS_IOST_ITCT_CACHE_DW_SZ; i++) {
3143 val = hisi_sas_read32(hisi_hba, TAB_DFX);
3144 if (val == 0xffffffff)
3148 if (val != 0xffffffff) {
3149 dev_err(dev, "Issue occurred in reading IOST/ITCT cache!\n");
3153 memset(buf, 0, cache_dw_size * 4);
3156 for (i = 1; i < cache_dw_size; i++)
3157 buf[i] = hisi_sas_read32(hisi_hba, TAB_DFX);
3160 static void hisi_sas_bist_test_prep_v3_hw(struct hisi_hba *hisi_hba)
3163 int phy_no = hisi_hba->debugfs_bist_phy_no;
3167 hisi_sas_phy_enable(hisi_hba, phy_no, 0);
3170 for (i = 0; i < FFE_CFG_MAX; i++)
3171 hisi_sas_phy_write32(hisi_hba, phy_no, TXDEEMPH_G1 + (i * 0x4),
3172 hisi_hba->debugfs_bist_ffe[phy_no][i]);
3175 reg_val = hisi_sas_phy_read32(hisi_hba, phy_no, SERDES_CFG);
3176 reg_val |= CFG_ALOS_CHK_DISABLE_MSK;
3177 hisi_sas_phy_write32(hisi_hba, phy_no, SERDES_CFG, reg_val);
3180 static void hisi_sas_bist_test_restore_v3_hw(struct hisi_hba *hisi_hba)
3183 int phy_no = hisi_hba->debugfs_bist_phy_no;
3185 /* disable loopback */
3186 reg_val = hisi_sas_phy_read32(hisi_hba, phy_no, SAS_PHY_BIST_CTRL);
3187 reg_val &= ~(CFG_RX_BIST_EN_MSK | CFG_TX_BIST_EN_MSK |
3189 hisi_sas_phy_write32(hisi_hba, phy_no, SAS_PHY_BIST_CTRL, reg_val);
3192 reg_val = hisi_sas_phy_read32(hisi_hba, phy_no, SERDES_CFG);
3193 reg_val &= ~CFG_ALOS_CHK_DISABLE_MSK;
3194 hisi_sas_phy_write32(hisi_hba, phy_no, SERDES_CFG, reg_val);
3196 /* restore the linkrate */
3197 reg_val = hisi_sas_phy_read32(hisi_hba, phy_no, PROG_PHY_LINK_RATE);
3198 /* init OOB link rate as 1.5 Gbits */
3199 reg_val &= ~CFG_PROG_OOB_PHY_LINK_RATE_MSK;
3200 reg_val |= (0x8 << CFG_PROG_OOB_PHY_LINK_RATE_OFF);
3201 hisi_sas_phy_write32(hisi_hba, phy_no, PROG_PHY_LINK_RATE, reg_val);
3204 hisi_sas_phy_enable(hisi_hba, phy_no, 1);
3207 #define SAS_PHY_BIST_CODE_INIT 0x1
3208 #define SAS_PHY_BIST_CODE1_INIT 0X80
3209 static int debugfs_set_bist_v3_hw(struct hisi_hba *hisi_hba, bool enable)
3211 u32 reg_val, mode_tmp;
3212 u32 linkrate = hisi_hba->debugfs_bist_linkrate;
3213 u32 phy_no = hisi_hba->debugfs_bist_phy_no;
3214 u32 *ffe = hisi_hba->debugfs_bist_ffe[phy_no];
3215 u32 code_mode = hisi_hba->debugfs_bist_code_mode;
3216 u32 path_mode = hisi_hba->debugfs_bist_mode;
3217 u32 *fix_code = &hisi_hba->debugfs_bist_fixed_code[0];
3218 struct device *dev = hisi_hba->dev;
3220 dev_info(dev, "BIST info:phy%d link_rate=%d code_mode=%d path_mode=%d ffe={0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x} fixed_code={0x%x, 0x%x}\n",
3221 phy_no, linkrate, code_mode, path_mode,
3222 ffe[FFE_SAS_1_5_GBPS], ffe[FFE_SAS_3_0_GBPS],
3223 ffe[FFE_SAS_6_0_GBPS], ffe[FFE_SAS_12_0_GBPS],
3224 ffe[FFE_SATA_1_5_GBPS], ffe[FFE_SATA_3_0_GBPS],
3225 ffe[FFE_SATA_6_0_GBPS], fix_code[FIXED_CODE],
3226 fix_code[FIXED_CODE_1]);
3227 mode_tmp = path_mode ? 2 : 1;
3229 /* some preparations before bist test */
3230 hisi_sas_bist_test_prep_v3_hw(hisi_hba);
3232 /* set linkrate of bit test*/
3233 reg_val = hisi_sas_phy_read32(hisi_hba, phy_no,
3234 PROG_PHY_LINK_RATE);
3235 reg_val &= ~CFG_PROG_OOB_PHY_LINK_RATE_MSK;
3236 reg_val |= (linkrate << CFG_PROG_OOB_PHY_LINK_RATE_OFF);
3237 hisi_sas_phy_write32(hisi_hba, phy_no, PROG_PHY_LINK_RATE,
3240 /* set code mode of bit test */
3241 reg_val = hisi_sas_phy_read32(hisi_hba, phy_no,
3243 reg_val &= ~(CFG_BIST_MODE_SEL_MSK | CFG_LOOP_TEST_MODE_MSK |
3244 CFG_RX_BIST_EN_MSK | CFG_TX_BIST_EN_MSK |
3246 reg_val |= ((code_mode << CFG_BIST_MODE_SEL_OFF) |
3247 (mode_tmp << CFG_LOOP_TEST_MODE_OFF) |
3249 hisi_sas_phy_write32(hisi_hba, phy_no, SAS_PHY_BIST_CTRL,
3252 /* set the bist init value */
3253 if (code_mode == HISI_SAS_BIST_CODE_MODE_FIXED_DATA) {
3254 reg_val = hisi_hba->debugfs_bist_fixed_code[0];
3255 hisi_sas_phy_write32(hisi_hba, phy_no,
3256 SAS_PHY_BIST_CODE, reg_val);
3258 reg_val = hisi_hba->debugfs_bist_fixed_code[1];
3259 hisi_sas_phy_write32(hisi_hba, phy_no,
3260 SAS_PHY_BIST_CODE1, reg_val);
3262 hisi_sas_phy_write32(hisi_hba, phy_no,
3264 SAS_PHY_BIST_CODE_INIT);
3265 hisi_sas_phy_write32(hisi_hba, phy_no,
3267 SAS_PHY_BIST_CODE1_INIT);
3271 reg_val |= (CFG_RX_BIST_EN_MSK | CFG_TX_BIST_EN_MSK);
3272 hisi_sas_phy_write32(hisi_hba, phy_no, SAS_PHY_BIST_CTRL,
3275 /* clear error bit */
3277 hisi_sas_phy_read32(hisi_hba, phy_no, SAS_BIST_ERR_CNT);
3279 /* disable bist test and recover it */
3280 hisi_hba->debugfs_bist_cnt += hisi_sas_phy_read32(hisi_hba,
3281 phy_no, SAS_BIST_ERR_CNT);
3282 hisi_sas_bist_test_restore_v3_hw(hisi_hba);
3288 static void hisi_sas_map_queues(struct Scsi_Host *shost)
3290 struct hisi_hba *hisi_hba = shost_priv(shost);
3291 struct blk_mq_queue_map *qmap;
3294 for (i = 0, qoff = 0; i < shost->nr_maps; i++) {
3295 qmap = &shost->tag_set.map[i];
3296 if (i == HCTX_TYPE_DEFAULT) {
3297 qmap->nr_queues = hisi_hba->cq_nvecs;
3298 } else if (i == HCTX_TYPE_POLL) {
3299 qmap->nr_queues = hisi_hba->iopoll_q_cnt;
3301 qmap->nr_queues = 0;
3305 /* At least one interrupt hardware queue */
3306 if (!qmap->nr_queues)
3307 WARN_ON(i == HCTX_TYPE_DEFAULT);
3308 qmap->queue_offset = qoff;
3309 if (i == HCTX_TYPE_POLL)
3310 blk_mq_map_queues(qmap);
3312 blk_mq_pci_map_queues(qmap, hisi_hba->pci_dev,
3313 BASE_VECTORS_V3_HW);
3314 qoff += qmap->nr_queues;
3318 static const struct scsi_host_template sht_v3_hw = {
3320 .proc_name = DRV_NAME,
3321 .module = THIS_MODULE,
3322 .queuecommand = sas_queuecommand,
3323 .dma_need_drain = ata_scsi_dma_need_drain,
3324 .target_alloc = sas_target_alloc,
3325 .slave_configure = slave_configure_v3_hw,
3326 .scan_finished = hisi_sas_scan_finished,
3327 .scan_start = hisi_sas_scan_start,
3328 .map_queues = hisi_sas_map_queues,
3329 .change_queue_depth = sas_change_queue_depth,
3330 .bios_param = sas_bios_param,
3332 .sg_tablesize = HISI_SAS_SGE_PAGE_CNT,
3333 .sg_prot_tablesize = HISI_SAS_SGE_PAGE_CNT,
3334 .max_sectors = SCSI_DEFAULT_MAX_SECTORS,
3335 .eh_device_reset_handler = sas_eh_device_reset_handler,
3336 .eh_target_reset_handler = sas_eh_target_reset_handler,
3337 .slave_alloc = hisi_sas_slave_alloc,
3338 .target_destroy = sas_target_destroy,
3340 #ifdef CONFIG_COMPAT
3341 .compat_ioctl = sas_ioctl,
3343 .shost_groups = host_v3_hw_groups,
3344 .tag_alloc_policy = BLK_TAG_ALLOC_RR,
3345 .host_reset = hisi_sas_host_reset,
3347 .mq_poll = queue_complete_v3_hw,
3350 static const struct hisi_sas_hw hisi_sas_v3_hw = {
3351 .setup_itct = setup_itct_v3_hw,
3352 .get_wideport_bitmap = get_wideport_bitmap_v3_hw,
3353 .complete_hdr_size = sizeof(struct hisi_sas_complete_v3_hdr),
3354 .clear_itct = clear_itct_v3_hw,
3355 .sl_notify_ssp = sl_notify_ssp_v3_hw,
3356 .prep_ssp = prep_ssp_v3_hw,
3357 .prep_smp = prep_smp_v3_hw,
3358 .prep_stp = prep_ata_v3_hw,
3359 .prep_abort = prep_abort_v3_hw,
3360 .start_delivery = start_delivery_v3_hw,
3361 .phys_init = phys_init_v3_hw,
3362 .phy_start = start_phy_v3_hw,
3363 .phy_disable = disable_phy_v3_hw,
3364 .phy_hard_reset = phy_hard_reset_v3_hw,
3365 .phy_get_max_linkrate = phy_get_max_linkrate_v3_hw,
3366 .phy_set_linkrate = phy_set_linkrate_v3_hw,
3367 .dereg_device = dereg_device_v3_hw,
3368 .soft_reset = soft_reset_v3_hw,
3369 .get_phys_state = get_phys_state_v3_hw,
3370 .get_events = phy_get_events_v3_hw,
3371 .write_gpio = write_gpio_v3_hw,
3372 .wait_cmds_complete_timeout = wait_cmds_complete_timeout_v3_hw,
3373 .debugfs_snapshot_regs = debugfs_snapshot_regs_v3_hw,
3376 static struct Scsi_Host *
3377 hisi_sas_shost_alloc_pci(struct pci_dev *pdev)
3379 struct Scsi_Host *shost;
3380 struct hisi_hba *hisi_hba;
3381 struct device *dev = &pdev->dev;
3383 shost = scsi_host_alloc(&sht_v3_hw, sizeof(*hisi_hba));
3385 dev_err(dev, "shost alloc failed\n");
3388 hisi_hba = shost_priv(shost);
3390 INIT_WORK(&hisi_hba->rst_work, hisi_sas_rst_work_handler);
3391 INIT_WORK(&hisi_hba->debugfs_work, debugfs_work_handler_v3_hw);
3392 hisi_hba->hw = &hisi_sas_v3_hw;
3393 hisi_hba->pci_dev = pdev;
3394 hisi_hba->dev = dev;
3395 hisi_hba->shost = shost;
3396 SHOST_TO_SAS_HA(shost) = &hisi_hba->sha;
3398 if (prot_mask & ~HISI_SAS_PROT_MASK)
3399 dev_err(dev, "unsupported protection mask 0x%x, using default (0x0)\n",
3402 hisi_hba->prot_mask = prot_mask;
3404 if (hisi_sas_get_fw_info(hisi_hba) < 0)
3407 if (experimental_iopoll_q_cnt < 0 ||
3408 experimental_iopoll_q_cnt >= hisi_hba->queue_count)
3409 dev_err(dev, "iopoll queue count %d cannot exceed or equal 16, using default 0\n",
3410 experimental_iopoll_q_cnt);
3412 hisi_hba->iopoll_q_cnt = experimental_iopoll_q_cnt;
3414 if (hisi_sas_alloc(hisi_hba)) {
3415 hisi_sas_free(hisi_hba);
3421 scsi_host_put(shost);
3422 dev_err(dev, "shost alloc failed\n");
3426 static void debugfs_snapshot_cq_reg_v3_hw(struct hisi_hba *hisi_hba)
3428 int queue_entry_size = hisi_hba->hw->complete_hdr_size;
3429 int dump_index = hisi_hba->debugfs_dump_index;
3432 for (i = 0; i < hisi_hba->queue_count; i++)
3433 memcpy(hisi_hba->debugfs_cq[dump_index][i].complete_hdr,
3434 hisi_hba->complete_hdr[i],
3435 HISI_SAS_QUEUE_SLOTS * queue_entry_size);
3438 static void debugfs_snapshot_dq_reg_v3_hw(struct hisi_hba *hisi_hba)
3440 int queue_entry_size = sizeof(struct hisi_sas_cmd_hdr);
3441 int dump_index = hisi_hba->debugfs_dump_index;
3444 for (i = 0; i < hisi_hba->queue_count; i++) {
3445 struct hisi_sas_cmd_hdr *debugfs_cmd_hdr, *cmd_hdr;
3448 debugfs_cmd_hdr = hisi_hba->debugfs_dq[dump_index][i].hdr;
3449 cmd_hdr = hisi_hba->cmd_hdr[i];
3451 for (j = 0; j < HISI_SAS_QUEUE_SLOTS; j++)
3452 memcpy(&debugfs_cmd_hdr[j], &cmd_hdr[j],
3457 static void debugfs_snapshot_port_reg_v3_hw(struct hisi_hba *hisi_hba)
3459 int dump_index = hisi_hba->debugfs_dump_index;
3460 const struct hisi_sas_debugfs_reg *port = &debugfs_port_reg;
3465 for (phy_cnt = 0; phy_cnt < hisi_hba->n_phy; phy_cnt++) {
3466 databuf = hisi_hba->debugfs_port_reg[dump_index][phy_cnt].data;
3467 for (i = 0; i < port->count; i++, databuf++) {
3468 offset = port->base_off + 4 * i;
3469 *databuf = hisi_sas_phy_read32(hisi_hba, phy_cnt,
3475 static void debugfs_snapshot_global_reg_v3_hw(struct hisi_hba *hisi_hba)
3477 int dump_index = hisi_hba->debugfs_dump_index;
3478 u32 *databuf = hisi_hba->debugfs_regs[dump_index][DEBUGFS_GLOBAL].data;
3481 for (i = 0; i < debugfs_axi_reg.count; i++, databuf++)
3482 *databuf = hisi_sas_read32(hisi_hba, 4 * i);
3485 static void debugfs_snapshot_axi_reg_v3_hw(struct hisi_hba *hisi_hba)
3487 int dump_index = hisi_hba->debugfs_dump_index;
3488 u32 *databuf = hisi_hba->debugfs_regs[dump_index][DEBUGFS_AXI].data;
3489 const struct hisi_sas_debugfs_reg *axi = &debugfs_axi_reg;
3492 for (i = 0; i < axi->count; i++, databuf++)
3493 *databuf = hisi_sas_read32(hisi_hba, 4 * i + axi->base_off);
3496 static void debugfs_snapshot_ras_reg_v3_hw(struct hisi_hba *hisi_hba)
3498 int dump_index = hisi_hba->debugfs_dump_index;
3499 u32 *databuf = hisi_hba->debugfs_regs[dump_index][DEBUGFS_RAS].data;
3500 const struct hisi_sas_debugfs_reg *ras = &debugfs_ras_reg;
3503 for (i = 0; i < ras->count; i++, databuf++)
3504 *databuf = hisi_sas_read32(hisi_hba, 4 * i + ras->base_off);
3507 static void debugfs_snapshot_itct_reg_v3_hw(struct hisi_hba *hisi_hba)
3509 int dump_index = hisi_hba->debugfs_dump_index;
3510 void *cachebuf = hisi_hba->debugfs_itct_cache[dump_index].cache;
3511 void *databuf = hisi_hba->debugfs_itct[dump_index].itct;
3512 struct hisi_sas_itct *itct;
3515 read_iost_itct_cache_v3_hw(hisi_hba, HISI_SAS_ITCT_CACHE, cachebuf);
3517 itct = hisi_hba->itct;
3519 for (i = 0; i < HISI_SAS_MAX_ITCT_ENTRIES; i++, itct++) {
3520 memcpy(databuf, itct, sizeof(struct hisi_sas_itct));
3521 databuf += sizeof(struct hisi_sas_itct);
3525 static void debugfs_snapshot_iost_reg_v3_hw(struct hisi_hba *hisi_hba)
3527 int dump_index = hisi_hba->debugfs_dump_index;
3528 int max_command_entries = HISI_SAS_MAX_COMMANDS;
3529 void *cachebuf = hisi_hba->debugfs_iost_cache[dump_index].cache;
3530 void *databuf = hisi_hba->debugfs_iost[dump_index].iost;
3531 struct hisi_sas_iost *iost;
3534 read_iost_itct_cache_v3_hw(hisi_hba, HISI_SAS_IOST_CACHE, cachebuf);
3536 iost = hisi_hba->iost;
3538 for (i = 0; i < max_command_entries; i++, iost++) {
3539 memcpy(databuf, iost, sizeof(struct hisi_sas_iost));
3540 databuf += sizeof(struct hisi_sas_iost);
3545 debugfs_to_reg_name_v3_hw(int off, int base_off,
3546 const struct hisi_sas_debugfs_reg_lu *lu)
3548 for (; lu->name; lu++) {
3549 if (off == lu->off - base_off)
3556 static void debugfs_print_reg_v3_hw(u32 *regs_val, struct seq_file *s,
3557 const struct hisi_sas_debugfs_reg *reg)
3561 for (i = 0; i < reg->count; i++) {
3565 name = debugfs_to_reg_name_v3_hw(off, reg->base_off,
3569 seq_printf(s, "0x%08x 0x%08x %s\n", off,
3572 seq_printf(s, "0x%08x 0x%08x\n", off,
3577 static int debugfs_global_v3_hw_show(struct seq_file *s, void *p)
3579 struct hisi_sas_debugfs_regs *global = s->private;
3581 debugfs_print_reg_v3_hw(global->data, s,
3582 &debugfs_global_reg);
3586 DEFINE_SHOW_ATTRIBUTE(debugfs_global_v3_hw);
3588 static int debugfs_axi_v3_hw_show(struct seq_file *s, void *p)
3590 struct hisi_sas_debugfs_regs *axi = s->private;
3592 debugfs_print_reg_v3_hw(axi->data, s,
3597 DEFINE_SHOW_ATTRIBUTE(debugfs_axi_v3_hw);
3599 static int debugfs_ras_v3_hw_show(struct seq_file *s, void *p)
3601 struct hisi_sas_debugfs_regs *ras = s->private;
3603 debugfs_print_reg_v3_hw(ras->data, s,
3608 DEFINE_SHOW_ATTRIBUTE(debugfs_ras_v3_hw);
3610 static int debugfs_port_v3_hw_show(struct seq_file *s, void *p)
3612 struct hisi_sas_debugfs_port *port = s->private;
3613 const struct hisi_sas_debugfs_reg *reg_port = &debugfs_port_reg;
3615 debugfs_print_reg_v3_hw(port->data, s, reg_port);
3619 DEFINE_SHOW_ATTRIBUTE(debugfs_port_v3_hw);
3621 static void debugfs_show_row_64_v3_hw(struct seq_file *s, int index,
3622 int sz, __le64 *ptr)
3626 /* completion header size not fixed per HW version */
3627 seq_printf(s, "index %04d:\n\t", index);
3628 for (i = 1; i <= sz / 8; i++, ptr++) {
3629 seq_printf(s, " 0x%016llx", le64_to_cpu(*ptr));
3631 seq_puts(s, "\n\t");
3637 static void debugfs_show_row_32_v3_hw(struct seq_file *s, int index,
3638 int sz, __le32 *ptr)
3642 /* completion header size not fixed per HW version */
3643 seq_printf(s, "index %04d:\n\t", index);
3644 for (i = 1; i <= sz / 4; i++, ptr++) {
3645 seq_printf(s, " 0x%08x", le32_to_cpu(*ptr));
3647 seq_puts(s, "\n\t");
3652 static void debugfs_cq_show_slot_v3_hw(struct seq_file *s, int slot,
3653 struct hisi_sas_debugfs_cq *debugfs_cq)
3655 struct hisi_sas_cq *cq = debugfs_cq->cq;
3656 struct hisi_hba *hisi_hba = cq->hisi_hba;
3657 __le32 *complete_hdr = debugfs_cq->complete_hdr +
3658 (hisi_hba->hw->complete_hdr_size * slot);
3660 debugfs_show_row_32_v3_hw(s, slot,
3661 hisi_hba->hw->complete_hdr_size,
3665 static int debugfs_cq_v3_hw_show(struct seq_file *s, void *p)
3667 struct hisi_sas_debugfs_cq *debugfs_cq = s->private;
3670 for (slot = 0; slot < HISI_SAS_QUEUE_SLOTS; slot++)
3671 debugfs_cq_show_slot_v3_hw(s, slot, debugfs_cq);
3675 DEFINE_SHOW_ATTRIBUTE(debugfs_cq_v3_hw);
3677 static void debugfs_dq_show_slot_v3_hw(struct seq_file *s, int slot,
3680 struct hisi_sas_debugfs_dq *debugfs_dq = dq_ptr;
3681 void *cmd_queue = debugfs_dq->hdr;
3682 __le32 *cmd_hdr = cmd_queue +
3683 sizeof(struct hisi_sas_cmd_hdr) * slot;
3685 debugfs_show_row_32_v3_hw(s, slot, sizeof(struct hisi_sas_cmd_hdr),
3689 static int debugfs_dq_v3_hw_show(struct seq_file *s, void *p)
3693 for (slot = 0; slot < HISI_SAS_QUEUE_SLOTS; slot++)
3694 debugfs_dq_show_slot_v3_hw(s, slot, s->private);
3698 DEFINE_SHOW_ATTRIBUTE(debugfs_dq_v3_hw);
3700 static int debugfs_iost_v3_hw_show(struct seq_file *s, void *p)
3702 struct hisi_sas_debugfs_iost *debugfs_iost = s->private;
3703 struct hisi_sas_iost *iost = debugfs_iost->iost;
3704 int i, max_command_entries = HISI_SAS_MAX_COMMANDS;
3706 for (i = 0; i < max_command_entries; i++, iost++) {
3707 __le64 *data = &iost->qw0;
3709 debugfs_show_row_64_v3_hw(s, i, sizeof(*iost), data);
3714 DEFINE_SHOW_ATTRIBUTE(debugfs_iost_v3_hw);
3716 static int debugfs_iost_cache_v3_hw_show(struct seq_file *s, void *p)
3718 struct hisi_sas_debugfs_iost_cache *debugfs_iost_cache = s->private;
3719 struct hisi_sas_iost_itct_cache *iost_cache =
3720 debugfs_iost_cache->cache;
3721 u32 cache_size = HISI_SAS_IOST_ITCT_CACHE_DW_SZ * 4;
3725 for (i = 0; i < HISI_SAS_IOST_ITCT_CACHE_NUM; i++, iost_cache++) {
3727 * Data struct of IOST cache:
3728 * Data[1]: BIT0~15: Table index
3730 * Data[2]~[9]: IOST table
3732 tab_idx = (iost_cache->data[1] & 0xffff);
3733 iost = (__le64 *)iost_cache;
3735 debugfs_show_row_64_v3_hw(s, tab_idx, cache_size, iost);
3740 DEFINE_SHOW_ATTRIBUTE(debugfs_iost_cache_v3_hw);
3742 static int debugfs_itct_v3_hw_show(struct seq_file *s, void *p)
3745 struct hisi_sas_debugfs_itct *debugfs_itct = s->private;
3746 struct hisi_sas_itct *itct = debugfs_itct->itct;
3748 for (i = 0; i < HISI_SAS_MAX_ITCT_ENTRIES; i++, itct++) {
3749 __le64 *data = &itct->qw0;
3751 debugfs_show_row_64_v3_hw(s, i, sizeof(*itct), data);
3756 DEFINE_SHOW_ATTRIBUTE(debugfs_itct_v3_hw);
3758 static int debugfs_itct_cache_v3_hw_show(struct seq_file *s, void *p)
3760 struct hisi_sas_debugfs_itct_cache *debugfs_itct_cache = s->private;
3761 struct hisi_sas_iost_itct_cache *itct_cache =
3762 debugfs_itct_cache->cache;
3763 u32 cache_size = HISI_SAS_IOST_ITCT_CACHE_DW_SZ * 4;
3767 for (i = 0; i < HISI_SAS_IOST_ITCT_CACHE_NUM; i++, itct_cache++) {
3769 * Data struct of ITCT cache:
3770 * Data[1]: BIT0~15: Table index
3772 * Data[2]~[9]: ITCT table
3774 tab_idx = itct_cache->data[1] & 0xffff;
3775 itct = (__le64 *)itct_cache;
3777 debugfs_show_row_64_v3_hw(s, tab_idx, cache_size, itct);
3782 DEFINE_SHOW_ATTRIBUTE(debugfs_itct_cache_v3_hw);
3784 static void debugfs_create_files_v3_hw(struct hisi_hba *hisi_hba)
3786 u64 *debugfs_timestamp;
3787 int dump_index = hisi_hba->debugfs_dump_index;
3788 struct dentry *dump_dentry;
3789 struct dentry *dentry;
3795 snprintf(name, 256, "%d", dump_index);
3797 dump_dentry = debugfs_create_dir(name, hisi_hba->debugfs_dump_dentry);
3799 debugfs_timestamp = &hisi_hba->debugfs_timestamp[dump_index];
3801 debugfs_create_u64("timestamp", 0400, dump_dentry,
3804 debugfs_create_file("global", 0400, dump_dentry,
3805 &hisi_hba->debugfs_regs[dump_index][DEBUGFS_GLOBAL],
3806 &debugfs_global_v3_hw_fops);
3808 /* Create port dir and files */
3809 dentry = debugfs_create_dir("port", dump_dentry);
3810 for (p = 0; p < hisi_hba->n_phy; p++) {
3811 snprintf(name, 256, "%d", p);
3813 debugfs_create_file(name, 0400, dentry,
3814 &hisi_hba->debugfs_port_reg[dump_index][p],
3815 &debugfs_port_v3_hw_fops);
3818 /* Create CQ dir and files */
3819 dentry = debugfs_create_dir("cq", dump_dentry);
3820 for (c = 0; c < hisi_hba->queue_count; c++) {
3821 snprintf(name, 256, "%d", c);
3823 debugfs_create_file(name, 0400, dentry,
3824 &hisi_hba->debugfs_cq[dump_index][c],
3825 &debugfs_cq_v3_hw_fops);
3828 /* Create DQ dir and files */
3829 dentry = debugfs_create_dir("dq", dump_dentry);
3830 for (d = 0; d < hisi_hba->queue_count; d++) {
3831 snprintf(name, 256, "%d", d);
3833 debugfs_create_file(name, 0400, dentry,
3834 &hisi_hba->debugfs_dq[dump_index][d],
3835 &debugfs_dq_v3_hw_fops);
3838 debugfs_create_file("iost", 0400, dump_dentry,
3839 &hisi_hba->debugfs_iost[dump_index],
3840 &debugfs_iost_v3_hw_fops);
3842 debugfs_create_file("iost_cache", 0400, dump_dentry,
3843 &hisi_hba->debugfs_iost_cache[dump_index],
3844 &debugfs_iost_cache_v3_hw_fops);
3846 debugfs_create_file("itct", 0400, dump_dentry,
3847 &hisi_hba->debugfs_itct[dump_index],
3848 &debugfs_itct_v3_hw_fops);
3850 debugfs_create_file("itct_cache", 0400, dump_dentry,
3851 &hisi_hba->debugfs_itct_cache[dump_index],
3852 &debugfs_itct_cache_v3_hw_fops);
3854 debugfs_create_file("axi", 0400, dump_dentry,
3855 &hisi_hba->debugfs_regs[dump_index][DEBUGFS_AXI],
3856 &debugfs_axi_v3_hw_fops);
3858 debugfs_create_file("ras", 0400, dump_dentry,
3859 &hisi_hba->debugfs_regs[dump_index][DEBUGFS_RAS],
3860 &debugfs_ras_v3_hw_fops);
3863 static void debugfs_snapshot_regs_v3_hw(struct hisi_hba *hisi_hba)
3865 int debugfs_dump_index = hisi_hba->debugfs_dump_index;
3866 struct device *dev = hisi_hba->dev;
3867 u64 timestamp = local_clock();
3869 if (debugfs_dump_index >= hisi_sas_debugfs_dump_count) {
3870 dev_warn(dev, "dump count exceeded!\n");
3874 do_div(timestamp, NSEC_PER_MSEC);
3875 hisi_hba->debugfs_timestamp[debugfs_dump_index] = timestamp;
3877 debugfs_snapshot_prepare_v3_hw(hisi_hba);
3879 debugfs_snapshot_global_reg_v3_hw(hisi_hba);
3880 debugfs_snapshot_port_reg_v3_hw(hisi_hba);
3881 debugfs_snapshot_axi_reg_v3_hw(hisi_hba);
3882 debugfs_snapshot_ras_reg_v3_hw(hisi_hba);
3883 debugfs_snapshot_cq_reg_v3_hw(hisi_hba);
3884 debugfs_snapshot_dq_reg_v3_hw(hisi_hba);
3885 debugfs_snapshot_itct_reg_v3_hw(hisi_hba);
3886 debugfs_snapshot_iost_reg_v3_hw(hisi_hba);
3888 debugfs_create_files_v3_hw(hisi_hba);
3890 debugfs_snapshot_restore_v3_hw(hisi_hba);
3891 hisi_hba->debugfs_dump_index++;
3894 static ssize_t debugfs_trigger_dump_v3_hw_write(struct file *file,
3895 const char __user *user_buf,
3896 size_t count, loff_t *ppos)
3898 struct hisi_hba *hisi_hba = file->f_inode->i_private;
3901 if (hisi_hba->debugfs_dump_index >= hisi_sas_debugfs_dump_count)
3907 if (copy_from_user(buf, user_buf, count))
3913 queue_work(hisi_hba->wq, &hisi_hba->debugfs_work);
3918 static const struct file_operations debugfs_trigger_dump_v3_hw_fops = {
3919 .write = &debugfs_trigger_dump_v3_hw_write,
3920 .owner = THIS_MODULE,
3924 HISI_SAS_BIST_LOOPBACK_MODE_DIGITAL = 0,
3925 HISI_SAS_BIST_LOOPBACK_MODE_SERDES,
3926 HISI_SAS_BIST_LOOPBACK_MODE_REMOTE,
3929 static const struct {
3932 } debugfs_loop_linkrate_v3_hw[] = {
3933 { SAS_LINK_RATE_1_5_GBPS, "1.5 Gbit" },
3934 { SAS_LINK_RATE_3_0_GBPS, "3.0 Gbit" },
3935 { SAS_LINK_RATE_6_0_GBPS, "6.0 Gbit" },
3936 { SAS_LINK_RATE_12_0_GBPS, "12.0 Gbit" },
3939 static int debugfs_bist_linkrate_v3_hw_show(struct seq_file *s, void *p)
3941 struct hisi_hba *hisi_hba = s->private;
3944 for (i = 0; i < ARRAY_SIZE(debugfs_loop_linkrate_v3_hw); i++) {
3945 int match = (hisi_hba->debugfs_bist_linkrate ==
3946 debugfs_loop_linkrate_v3_hw[i].value);
3948 seq_printf(s, "%s%s%s ", match ? "[" : "",
3949 debugfs_loop_linkrate_v3_hw[i].name,
3957 static ssize_t debugfs_bist_linkrate_v3_hw_write(struct file *filp,
3958 const char __user *buf,
3959 size_t count, loff_t *ppos)
3961 struct seq_file *m = filp->private_data;
3962 struct hisi_hba *hisi_hba = m->private;
3963 char kbuf[16] = {}, *pkbuf;
3967 if (hisi_hba->debugfs_bist_enable)
3970 if (count >= sizeof(kbuf))
3973 if (copy_from_user(kbuf, buf, count))
3976 pkbuf = strstrip(kbuf);
3978 for (i = 0; i < ARRAY_SIZE(debugfs_loop_linkrate_v3_hw); i++) {
3979 if (!strncmp(debugfs_loop_linkrate_v3_hw[i].name,
3981 hisi_hba->debugfs_bist_linkrate =
3982 debugfs_loop_linkrate_v3_hw[i].value;
3994 static int debugfs_bist_linkrate_v3_hw_open(struct inode *inode,
3997 return single_open(filp, debugfs_bist_linkrate_v3_hw_show,
4001 static const struct file_operations debugfs_bist_linkrate_v3_hw_fops = {
4002 .open = debugfs_bist_linkrate_v3_hw_open,
4004 .write = debugfs_bist_linkrate_v3_hw_write,
4005 .llseek = seq_lseek,
4006 .release = single_release,
4007 .owner = THIS_MODULE,
4010 static const struct {
4013 } debugfs_loop_code_mode_v3_hw[] = {
4014 { HISI_SAS_BIST_CODE_MODE_PRBS7, "PRBS7" },
4015 { HISI_SAS_BIST_CODE_MODE_PRBS23, "PRBS23" },
4016 { HISI_SAS_BIST_CODE_MODE_PRBS31, "PRBS31" },
4017 { HISI_SAS_BIST_CODE_MODE_JTPAT, "JTPAT" },
4018 { HISI_SAS_BIST_CODE_MODE_CJTPAT, "CJTPAT" },
4019 { HISI_SAS_BIST_CODE_MODE_SCRAMBED_0, "SCRAMBED_0" },
4020 { HISI_SAS_BIST_CODE_MODE_TRAIN, "TRAIN" },
4021 { HISI_SAS_BIST_CODE_MODE_TRAIN_DONE, "TRAIN_DONE" },
4022 { HISI_SAS_BIST_CODE_MODE_HFTP, "HFTP" },
4023 { HISI_SAS_BIST_CODE_MODE_MFTP, "MFTP" },
4024 { HISI_SAS_BIST_CODE_MODE_LFTP, "LFTP" },
4025 { HISI_SAS_BIST_CODE_MODE_FIXED_DATA, "FIXED_DATA" },
4028 static int debugfs_bist_code_mode_v3_hw_show(struct seq_file *s, void *p)
4030 struct hisi_hba *hisi_hba = s->private;
4033 for (i = 0; i < ARRAY_SIZE(debugfs_loop_code_mode_v3_hw); i++) {
4034 int match = (hisi_hba->debugfs_bist_code_mode ==
4035 debugfs_loop_code_mode_v3_hw[i].value);
4037 seq_printf(s, "%s%s%s ", match ? "[" : "",
4038 debugfs_loop_code_mode_v3_hw[i].name,
4046 static ssize_t debugfs_bist_code_mode_v3_hw_write(struct file *filp,
4047 const char __user *buf,
4051 struct seq_file *m = filp->private_data;
4052 struct hisi_hba *hisi_hba = m->private;
4053 char kbuf[16] = {}, *pkbuf;
4057 if (hisi_hba->debugfs_bist_enable)
4060 if (count >= sizeof(kbuf))
4063 if (copy_from_user(kbuf, buf, count))
4066 pkbuf = strstrip(kbuf);
4068 for (i = 0; i < ARRAY_SIZE(debugfs_loop_code_mode_v3_hw); i++) {
4069 if (!strncmp(debugfs_loop_code_mode_v3_hw[i].name,
4071 hisi_hba->debugfs_bist_code_mode =
4072 debugfs_loop_code_mode_v3_hw[i].value;
4084 static int debugfs_bist_code_mode_v3_hw_open(struct inode *inode,
4087 return single_open(filp, debugfs_bist_code_mode_v3_hw_show,
4091 static const struct file_operations debugfs_bist_code_mode_v3_hw_fops = {
4092 .open = debugfs_bist_code_mode_v3_hw_open,
4094 .write = debugfs_bist_code_mode_v3_hw_write,
4095 .llseek = seq_lseek,
4096 .release = single_release,
4097 .owner = THIS_MODULE,
4100 static ssize_t debugfs_bist_phy_v3_hw_write(struct file *filp,
4101 const char __user *buf,
4102 size_t count, loff_t *ppos)
4104 struct seq_file *m = filp->private_data;
4105 struct hisi_hba *hisi_hba = m->private;
4106 unsigned int phy_no;
4109 if (hisi_hba->debugfs_bist_enable)
4112 val = kstrtouint_from_user(buf, count, 0, &phy_no);
4116 if (phy_no >= hisi_hba->n_phy)
4119 hisi_hba->debugfs_bist_phy_no = phy_no;
4124 static int debugfs_bist_phy_v3_hw_show(struct seq_file *s, void *p)
4126 struct hisi_hba *hisi_hba = s->private;
4128 seq_printf(s, "%d\n", hisi_hba->debugfs_bist_phy_no);
4133 static int debugfs_bist_phy_v3_hw_open(struct inode *inode,
4136 return single_open(filp, debugfs_bist_phy_v3_hw_show,
4140 static const struct file_operations debugfs_bist_phy_v3_hw_fops = {
4141 .open = debugfs_bist_phy_v3_hw_open,
4143 .write = debugfs_bist_phy_v3_hw_write,
4144 .llseek = seq_lseek,
4145 .release = single_release,
4146 .owner = THIS_MODULE,
4149 static ssize_t debugfs_bist_cnt_v3_hw_write(struct file *filp,
4150 const char __user *buf,
4151 size_t count, loff_t *ppos)
4153 struct seq_file *m = filp->private_data;
4154 struct hisi_hba *hisi_hba = m->private;
4158 if (hisi_hba->debugfs_bist_enable)
4161 val = kstrtouint_from_user(buf, count, 0, &cnt);
4168 hisi_hba->debugfs_bist_cnt = 0;
4172 static int debugfs_bist_cnt_v3_hw_show(struct seq_file *s, void *p)
4174 struct hisi_hba *hisi_hba = s->private;
4176 seq_printf(s, "%u\n", hisi_hba->debugfs_bist_cnt);
4181 static int debugfs_bist_cnt_v3_hw_open(struct inode *inode,
4184 return single_open(filp, debugfs_bist_cnt_v3_hw_show,
4188 static const struct file_operations debugfs_bist_cnt_v3_hw_ops = {
4189 .open = debugfs_bist_cnt_v3_hw_open,
4191 .write = debugfs_bist_cnt_v3_hw_write,
4192 .llseek = seq_lseek,
4193 .release = single_release,
4194 .owner = THIS_MODULE,
4197 static const struct {
4200 } debugfs_loop_modes_v3_hw[] = {
4201 { HISI_SAS_BIST_LOOPBACK_MODE_DIGITAL, "digital" },
4202 { HISI_SAS_BIST_LOOPBACK_MODE_SERDES, "serdes" },
4203 { HISI_SAS_BIST_LOOPBACK_MODE_REMOTE, "remote" },
4206 static int debugfs_bist_mode_v3_hw_show(struct seq_file *s, void *p)
4208 struct hisi_hba *hisi_hba = s->private;
4211 for (i = 0; i < ARRAY_SIZE(debugfs_loop_modes_v3_hw); i++) {
4212 int match = (hisi_hba->debugfs_bist_mode ==
4213 debugfs_loop_modes_v3_hw[i].value);
4215 seq_printf(s, "%s%s%s ", match ? "[" : "",
4216 debugfs_loop_modes_v3_hw[i].name,
4224 static ssize_t debugfs_bist_mode_v3_hw_write(struct file *filp,
4225 const char __user *buf,
4226 size_t count, loff_t *ppos)
4228 struct seq_file *m = filp->private_data;
4229 struct hisi_hba *hisi_hba = m->private;
4230 char kbuf[16] = {}, *pkbuf;
4234 if (hisi_hba->debugfs_bist_enable)
4237 if (count >= sizeof(kbuf))
4240 if (copy_from_user(kbuf, buf, count))
4243 pkbuf = strstrip(kbuf);
4245 for (i = 0; i < ARRAY_SIZE(debugfs_loop_modes_v3_hw); i++) {
4246 if (!strncmp(debugfs_loop_modes_v3_hw[i].name, pkbuf, 16)) {
4247 hisi_hba->debugfs_bist_mode =
4248 debugfs_loop_modes_v3_hw[i].value;
4260 static int debugfs_bist_mode_v3_hw_open(struct inode *inode,
4263 return single_open(filp, debugfs_bist_mode_v3_hw_show,
4267 static const struct file_operations debugfs_bist_mode_v3_hw_fops = {
4268 .open = debugfs_bist_mode_v3_hw_open,
4270 .write = debugfs_bist_mode_v3_hw_write,
4271 .llseek = seq_lseek,
4272 .release = single_release,
4273 .owner = THIS_MODULE,
4276 static ssize_t debugfs_bist_enable_v3_hw_write(struct file *filp,
4277 const char __user *buf,
4278 size_t count, loff_t *ppos)
4280 struct seq_file *m = filp->private_data;
4281 struct hisi_hba *hisi_hba = m->private;
4282 unsigned int enable;
4285 val = kstrtouint_from_user(buf, count, 0, &enable);
4292 if (enable == hisi_hba->debugfs_bist_enable)
4295 val = debugfs_set_bist_v3_hw(hisi_hba, enable);
4299 hisi_hba->debugfs_bist_enable = enable;
4304 static int debugfs_bist_enable_v3_hw_show(struct seq_file *s, void *p)
4306 struct hisi_hba *hisi_hba = s->private;
4308 seq_printf(s, "%d\n", hisi_hba->debugfs_bist_enable);
4313 static int debugfs_bist_enable_v3_hw_open(struct inode *inode,
4316 return single_open(filp, debugfs_bist_enable_v3_hw_show,
4320 static const struct file_operations debugfs_bist_enable_v3_hw_fops = {
4321 .open = debugfs_bist_enable_v3_hw_open,
4323 .write = debugfs_bist_enable_v3_hw_write,
4324 .llseek = seq_lseek,
4325 .release = single_release,
4326 .owner = THIS_MODULE,
4329 static const struct {
4331 } debugfs_ffe_name_v3_hw[FFE_CFG_MAX] = {
4335 { "SAS_12_0_GBPS" },
4337 { "SATA_1_5_GBPS" },
4338 { "SATA_3_0_GBPS" },
4339 { "SATA_6_0_GBPS" },
4342 static ssize_t debugfs_v3_hw_write(struct file *filp,
4343 const char __user *buf,
4344 size_t count, loff_t *ppos)
4346 struct seq_file *m = filp->private_data;
4347 u32 *val = m->private;
4350 res = kstrtouint_from_user(buf, count, 0, val);
4357 static int debugfs_v3_hw_show(struct seq_file *s, void *p)
4359 u32 *val = s->private;
4361 seq_printf(s, "0x%x\n", *val);
4366 static int debugfs_v3_hw_open(struct inode *inode, struct file *filp)
4368 return single_open(filp, debugfs_v3_hw_show,
4372 static const struct file_operations debugfs_v3_hw_fops = {
4373 .open = debugfs_v3_hw_open,
4375 .write = debugfs_v3_hw_write,
4376 .llseek = seq_lseek,
4377 .release = single_release,
4378 .owner = THIS_MODULE,
4381 static ssize_t debugfs_phy_down_cnt_v3_hw_write(struct file *filp,
4382 const char __user *buf,
4383 size_t count, loff_t *ppos)
4385 struct seq_file *s = filp->private_data;
4386 struct hisi_sas_phy *phy = s->private;
4387 unsigned int set_val;
4390 res = kstrtouint_from_user(buf, count, 0, &set_val);
4397 atomic_set(&phy->down_cnt, 0);
4402 static int debugfs_phy_down_cnt_v3_hw_show(struct seq_file *s, void *p)
4404 struct hisi_sas_phy *phy = s->private;
4406 seq_printf(s, "%d\n", atomic_read(&phy->down_cnt));
4411 static int debugfs_phy_down_cnt_v3_hw_open(struct inode *inode,
4414 return single_open(filp, debugfs_phy_down_cnt_v3_hw_show,
4418 static const struct file_operations debugfs_phy_down_cnt_v3_hw_fops = {
4419 .open = debugfs_phy_down_cnt_v3_hw_open,
4421 .write = debugfs_phy_down_cnt_v3_hw_write,
4422 .llseek = seq_lseek,
4423 .release = single_release,
4424 .owner = THIS_MODULE,
4427 enum fifo_dump_mode_v3_hw {
4428 FIFO_DUMP_FORVER = (1U << 0),
4429 FIFO_DUMP_AFTER_TRIGGER = (1U << 1),
4430 FIFO_DUMP_UNTILL_TRIGGER = (1U << 2),
4433 enum fifo_trigger_mode_v3_hw {
4434 FIFO_TRIGGER_EDGE = (1U << 0),
4435 FIFO_TRIGGER_SAME_LEVEL = (1U << 1),
4436 FIFO_TRIGGER_DIFF_LEVEL = (1U << 2),
4439 static int debugfs_is_fifo_config_valid_v3_hw(struct hisi_sas_phy *phy)
4441 struct hisi_hba *hisi_hba = phy->hisi_hba;
4443 if (phy->fifo.signal_sel > 0xf) {
4444 dev_info(hisi_hba->dev, "Invalid signal select: %u\n",
4445 phy->fifo.signal_sel);
4449 switch (phy->fifo.dump_mode) {
4450 case FIFO_DUMP_FORVER:
4451 case FIFO_DUMP_AFTER_TRIGGER:
4452 case FIFO_DUMP_UNTILL_TRIGGER:
4455 dev_info(hisi_hba->dev, "Invalid dump mode: %u\n",
4456 phy->fifo.dump_mode);
4460 /* when FIFO_DUMP_FORVER, no need to check trigger_mode */
4461 if (phy->fifo.dump_mode == FIFO_DUMP_FORVER)
4464 switch (phy->fifo.trigger_mode) {
4465 case FIFO_TRIGGER_EDGE:
4466 case FIFO_TRIGGER_SAME_LEVEL:
4467 case FIFO_TRIGGER_DIFF_LEVEL:
4470 dev_info(hisi_hba->dev, "Invalid trigger mode: %u\n",
4471 phy->fifo.trigger_mode);
4477 static int debugfs_update_fifo_config_v3_hw(struct hisi_sas_phy *phy)
4479 u32 trigger_mode = phy->fifo.trigger_mode;
4480 u32 signal_sel = phy->fifo.signal_sel;
4481 u32 dump_mode = phy->fifo.dump_mode;
4482 struct hisi_hba *hisi_hba = phy->hisi_hba;
4483 int phy_no = phy->sas_phy.id;
4487 /* Check the validity of trace FIFO configuration */
4488 res = debugfs_is_fifo_config_valid_v3_hw(phy);
4492 reg_val = hisi_sas_phy_read32(hisi_hba, phy_no, DFX_FIFO_CTRL);
4493 /* Disable trace FIFO before update configuration */
4494 reg_val |= DFX_FIFO_CTRL_DUMP_DISABLE_MSK;
4496 /* Update trace FIFO configuration */
4497 reg_val &= ~(DFX_FIFO_CTRL_DUMP_MODE_MSK |
4498 DFX_FIFO_CTRL_SIGNAL_SEL_MSK |
4499 DFX_FIFO_CTRL_TRIGGER_MODE_MSK);
4501 reg_val |= ((trigger_mode << DFX_FIFO_CTRL_TRIGGER_MODE_OFF) |
4502 (dump_mode << DFX_FIFO_CTRL_DUMP_MODE_OFF) |
4503 (signal_sel << DFX_FIFO_CTRL_SIGNAL_SEL_OFF));
4504 hisi_sas_phy_write32(hisi_hba, phy_no, DFX_FIFO_CTRL, reg_val);
4506 hisi_sas_phy_write32(hisi_hba, phy_no, DFX_FIFO_DUMP_MSK,
4507 phy->fifo.dump_msk);
4509 hisi_sas_phy_write32(hisi_hba, phy_no, DFX_FIFO_TRIGGER,
4512 hisi_sas_phy_write32(hisi_hba, phy_no, DFX_FIFO_TRIGGER_MSK,
4513 phy->fifo.trigger_msk);
4515 /* Enable trace FIFO after updated configuration */
4516 reg_val = hisi_sas_phy_read32(hisi_hba, phy_no, DFX_FIFO_CTRL);
4517 reg_val &= ~DFX_FIFO_CTRL_DUMP_DISABLE_MSK;
4518 hisi_sas_phy_write32(hisi_hba, phy_no, DFX_FIFO_CTRL, reg_val);
4523 static ssize_t debugfs_fifo_update_cfg_v3_hw_write(struct file *filp,
4524 const char __user *buf,
4525 size_t count, loff_t *ppos)
4527 struct hisi_sas_phy *phy = filp->private_data;
4531 val = kstrtobool_from_user(buf, count, &update);
4538 val = debugfs_update_fifo_config_v3_hw(phy);
4545 static const struct file_operations debugfs_fifo_update_cfg_v3_hw_fops = {
4546 .open = simple_open,
4547 .write = debugfs_fifo_update_cfg_v3_hw_write,
4548 .owner = THIS_MODULE,
4551 static void debugfs_read_fifo_data_v3_hw(struct hisi_sas_phy *phy)
4553 struct hisi_hba *hisi_hba = phy->hisi_hba;
4554 u32 *buf = phy->fifo.rd_data;
4555 int phy_no = phy->sas_phy.id;
4559 memset(buf, 0, sizeof(phy->fifo.rd_data));
4561 /* Disable trace FIFO before read data */
4562 val = hisi_sas_phy_read32(hisi_hba, phy_no, DFX_FIFO_CTRL);
4563 val |= DFX_FIFO_CTRL_DUMP_DISABLE_MSK;
4564 hisi_sas_phy_write32(hisi_hba, phy_no, DFX_FIFO_CTRL, val);
4566 for (i = 0; i < HISI_SAS_FIFO_DATA_DW_SIZE; i++) {
4567 val = hisi_sas_phy_read32(hisi_hba, phy_no,
4572 /* Enable trace FIFO after read data */
4573 val = hisi_sas_phy_read32(hisi_hba, phy_no, DFX_FIFO_CTRL);
4574 val &= ~DFX_FIFO_CTRL_DUMP_DISABLE_MSK;
4575 hisi_sas_phy_write32(hisi_hba, phy_no, DFX_FIFO_CTRL, val);
4578 static int debugfs_fifo_data_v3_hw_show(struct seq_file *s, void *p)
4580 struct hisi_sas_phy *phy = s->private;
4582 debugfs_read_fifo_data_v3_hw(phy);
4584 debugfs_show_row_32_v3_hw(s, 0, HISI_SAS_FIFO_DATA_DW_SIZE * 4,
4585 (__le32 *)phy->fifo.rd_data);
4589 DEFINE_SHOW_ATTRIBUTE(debugfs_fifo_data_v3_hw);
4591 static void debugfs_fifo_init_v3_hw(struct hisi_hba *hisi_hba)
4595 hisi_hba->debugfs_fifo_dentry =
4596 debugfs_create_dir("fifo", hisi_hba->debugfs_dir);
4598 for (phy_no = 0; phy_no < hisi_hba->n_phy; phy_no++) {
4599 struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no];
4600 struct dentry *port_dentry;
4604 /* get default configuration for trace FIFO */
4605 val = hisi_sas_phy_read32(hisi_hba, phy_no, DFX_FIFO_CTRL);
4606 val &= DFX_FIFO_CTRL_DUMP_MODE_MSK;
4607 val >>= DFX_FIFO_CTRL_DUMP_MODE_OFF;
4608 phy->fifo.dump_mode = val;
4610 val = hisi_sas_phy_read32(hisi_hba, phy_no, DFX_FIFO_CTRL);
4611 val &= DFX_FIFO_CTRL_TRIGGER_MODE_MSK;
4612 val >>= DFX_FIFO_CTRL_TRIGGER_MODE_OFF;
4613 phy->fifo.trigger_mode = val;
4615 val = hisi_sas_phy_read32(hisi_hba, phy_no, DFX_FIFO_CTRL);
4616 val &= DFX_FIFO_CTRL_SIGNAL_SEL_MSK;
4617 val >>= DFX_FIFO_CTRL_SIGNAL_SEL_OFF;
4618 phy->fifo.signal_sel = val;
4620 val = hisi_sas_phy_read32(hisi_hba, phy_no, DFX_FIFO_DUMP_MSK);
4621 phy->fifo.dump_msk = val;
4623 val = hisi_sas_phy_read32(hisi_hba, phy_no, DFX_FIFO_TRIGGER);
4624 phy->fifo.trigger = val;
4625 val = hisi_sas_phy_read32(hisi_hba, phy_no, DFX_FIFO_TRIGGER_MSK);
4626 phy->fifo.trigger_msk = val;
4628 snprintf(name, 256, "%d", phy_no);
4629 port_dentry = debugfs_create_dir(name,
4630 hisi_hba->debugfs_fifo_dentry);
4632 debugfs_create_file("update_config", 0200, port_dentry, phy,
4633 &debugfs_fifo_update_cfg_v3_hw_fops);
4635 debugfs_create_file("signal_sel", 0600, port_dentry,
4636 &phy->fifo.signal_sel,
4637 &debugfs_v3_hw_fops);
4639 debugfs_create_file("dump_msk", 0600, port_dentry,
4640 &phy->fifo.dump_msk,
4641 &debugfs_v3_hw_fops);
4643 debugfs_create_file("dump_mode", 0600, port_dentry,
4644 &phy->fifo.dump_mode,
4645 &debugfs_v3_hw_fops);
4647 debugfs_create_file("trigger_mode", 0600, port_dentry,
4648 &phy->fifo.trigger_mode,
4649 &debugfs_v3_hw_fops);
4651 debugfs_create_file("trigger", 0600, port_dentry,
4653 &debugfs_v3_hw_fops);
4655 debugfs_create_file("trigger_msk", 0600, port_dentry,
4656 &phy->fifo.trigger_msk,
4657 &debugfs_v3_hw_fops);
4659 debugfs_create_file("fifo_data", 0400, port_dentry, phy,
4660 &debugfs_fifo_data_v3_hw_fops);
4664 static void debugfs_work_handler_v3_hw(struct work_struct *work)
4666 struct hisi_hba *hisi_hba =
4667 container_of(work, struct hisi_hba, debugfs_work);
4669 debugfs_snapshot_regs_v3_hw(hisi_hba);
4672 static void debugfs_release_v3_hw(struct hisi_hba *hisi_hba, int dump_index)
4674 struct device *dev = hisi_hba->dev;
4677 devm_kfree(dev, hisi_hba->debugfs_iost_cache[dump_index].cache);
4678 devm_kfree(dev, hisi_hba->debugfs_itct_cache[dump_index].cache);
4679 devm_kfree(dev, hisi_hba->debugfs_iost[dump_index].iost);
4680 devm_kfree(dev, hisi_hba->debugfs_itct[dump_index].itct);
4682 for (i = 0; i < hisi_hba->queue_count; i++)
4683 devm_kfree(dev, hisi_hba->debugfs_dq[dump_index][i].hdr);
4685 for (i = 0; i < hisi_hba->queue_count; i++)
4687 hisi_hba->debugfs_cq[dump_index][i].complete_hdr);
4689 for (i = 0; i < DEBUGFS_REGS_NUM; i++)
4690 devm_kfree(dev, hisi_hba->debugfs_regs[dump_index][i].data);
4692 for (i = 0; i < hisi_hba->n_phy; i++)
4693 devm_kfree(dev, hisi_hba->debugfs_port_reg[dump_index][i].data);
4696 static const struct hisi_sas_debugfs_reg *debugfs_reg_array_v3_hw[DEBUGFS_REGS_NUM] = {
4697 [DEBUGFS_GLOBAL] = &debugfs_global_reg,
4698 [DEBUGFS_AXI] = &debugfs_axi_reg,
4699 [DEBUGFS_RAS] = &debugfs_ras_reg,
4702 static int debugfs_alloc_v3_hw(struct hisi_hba *hisi_hba, int dump_index)
4704 const struct hisi_sas_hw *hw = hisi_hba->hw;
4705 struct device *dev = hisi_hba->dev;
4709 for (r = 0; r < DEBUGFS_REGS_NUM; r++) {
4710 struct hisi_sas_debugfs_regs *regs =
4711 &hisi_hba->debugfs_regs[dump_index][r];
4713 sz = debugfs_reg_array_v3_hw[r]->count * 4;
4714 regs->data = devm_kmalloc(dev, sz, GFP_KERNEL);
4717 regs->hisi_hba = hisi_hba;
4720 sz = debugfs_port_reg.count * 4;
4721 for (p = 0; p < hisi_hba->n_phy; p++) {
4722 struct hisi_sas_debugfs_port *port =
4723 &hisi_hba->debugfs_port_reg[dump_index][p];
4725 port->data = devm_kmalloc(dev, sz, GFP_KERNEL);
4728 port->phy = &hisi_hba->phy[p];
4731 sz = hw->complete_hdr_size * HISI_SAS_QUEUE_SLOTS;
4732 for (c = 0; c < hisi_hba->queue_count; c++) {
4733 struct hisi_sas_debugfs_cq *cq =
4734 &hisi_hba->debugfs_cq[dump_index][c];
4736 cq->complete_hdr = devm_kmalloc(dev, sz, GFP_KERNEL);
4737 if (!cq->complete_hdr)
4739 cq->cq = &hisi_hba->cq[c];
4742 sz = sizeof(struct hisi_sas_cmd_hdr) * HISI_SAS_QUEUE_SLOTS;
4743 for (d = 0; d < hisi_hba->queue_count; d++) {
4744 struct hisi_sas_debugfs_dq *dq =
4745 &hisi_hba->debugfs_dq[dump_index][d];
4747 dq->hdr = devm_kmalloc(dev, sz, GFP_KERNEL);
4750 dq->dq = &hisi_hba->dq[d];
4753 sz = HISI_SAS_MAX_COMMANDS * sizeof(struct hisi_sas_iost);
4755 hisi_hba->debugfs_iost[dump_index].iost =
4756 devm_kmalloc(dev, sz, GFP_KERNEL);
4757 if (!hisi_hba->debugfs_iost[dump_index].iost)
4760 sz = HISI_SAS_IOST_ITCT_CACHE_NUM *
4761 sizeof(struct hisi_sas_iost_itct_cache);
4763 hisi_hba->debugfs_iost_cache[dump_index].cache =
4764 devm_kmalloc(dev, sz, GFP_KERNEL);
4765 if (!hisi_hba->debugfs_iost_cache[dump_index].cache)
4768 sz = HISI_SAS_IOST_ITCT_CACHE_NUM *
4769 sizeof(struct hisi_sas_iost_itct_cache);
4771 hisi_hba->debugfs_itct_cache[dump_index].cache =
4772 devm_kmalloc(dev, sz, GFP_KERNEL);
4773 if (!hisi_hba->debugfs_itct_cache[dump_index].cache)
4776 /* New memory allocation must be locate before itct */
4777 sz = HISI_SAS_MAX_ITCT_ENTRIES * sizeof(struct hisi_sas_itct);
4779 hisi_hba->debugfs_itct[dump_index].itct =
4780 devm_kmalloc(dev, sz, GFP_KERNEL);
4781 if (!hisi_hba->debugfs_itct[dump_index].itct)
4786 for (i = 0; i < hisi_sas_debugfs_dump_count; i++)
4787 debugfs_release_v3_hw(hisi_hba, i);
4791 static void debugfs_phy_down_cnt_init_v3_hw(struct hisi_hba *hisi_hba)
4793 struct dentry *dir = debugfs_create_dir("phy_down_cnt",
4794 hisi_hba->debugfs_dir);
4798 for (phy_no = 0; phy_no < hisi_hba->n_phy; phy_no++) {
4799 snprintf(name, 16, "%d", phy_no);
4800 debugfs_create_file(name, 0600, dir,
4801 &hisi_hba->phy[phy_no],
4802 &debugfs_phy_down_cnt_v3_hw_fops);
4806 static void debugfs_bist_init_v3_hw(struct hisi_hba *hisi_hba)
4808 struct dentry *ports_dentry;
4811 hisi_hba->debugfs_bist_dentry =
4812 debugfs_create_dir("bist", hisi_hba->debugfs_dir);
4813 debugfs_create_file("link_rate", 0600,
4814 hisi_hba->debugfs_bist_dentry, hisi_hba,
4815 &debugfs_bist_linkrate_v3_hw_fops);
4817 debugfs_create_file("code_mode", 0600,
4818 hisi_hba->debugfs_bist_dentry, hisi_hba,
4819 &debugfs_bist_code_mode_v3_hw_fops);
4821 debugfs_create_file("fixed_code", 0600,
4822 hisi_hba->debugfs_bist_dentry,
4823 &hisi_hba->debugfs_bist_fixed_code[0],
4824 &debugfs_v3_hw_fops);
4826 debugfs_create_file("fixed_code_1", 0600,
4827 hisi_hba->debugfs_bist_dentry,
4828 &hisi_hba->debugfs_bist_fixed_code[1],
4829 &debugfs_v3_hw_fops);
4831 debugfs_create_file("phy_id", 0600, hisi_hba->debugfs_bist_dentry,
4832 hisi_hba, &debugfs_bist_phy_v3_hw_fops);
4834 debugfs_create_file("cnt", 0600, hisi_hba->debugfs_bist_dentry,
4835 hisi_hba, &debugfs_bist_cnt_v3_hw_ops);
4837 debugfs_create_file("loopback_mode", 0600,
4838 hisi_hba->debugfs_bist_dentry,
4839 hisi_hba, &debugfs_bist_mode_v3_hw_fops);
4841 debugfs_create_file("enable", 0600, hisi_hba->debugfs_bist_dentry,
4842 hisi_hba, &debugfs_bist_enable_v3_hw_fops);
4844 ports_dentry = debugfs_create_dir("port", hisi_hba->debugfs_bist_dentry);
4846 for (phy_no = 0; phy_no < hisi_hba->n_phy; phy_no++) {
4847 struct dentry *port_dentry;
4848 struct dentry *ffe_dentry;
4852 snprintf(name, 256, "%d", phy_no);
4853 port_dentry = debugfs_create_dir(name, ports_dentry);
4854 ffe_dentry = debugfs_create_dir("ffe", port_dentry);
4855 for (i = 0; i < FFE_CFG_MAX; i++) {
4858 debugfs_create_file(debugfs_ffe_name_v3_hw[i].name,
4860 &hisi_hba->debugfs_bist_ffe[phy_no][i],
4861 &debugfs_v3_hw_fops);
4865 hisi_hba->debugfs_bist_linkrate = SAS_LINK_RATE_1_5_GBPS;
4868 static void debugfs_exit_v3_hw(struct hisi_hba *hisi_hba)
4870 debugfs_remove_recursive(hisi_hba->debugfs_dir);
4871 hisi_hba->debugfs_dir = NULL;
4874 static void debugfs_init_v3_hw(struct hisi_hba *hisi_hba)
4876 struct device *dev = hisi_hba->dev;
4879 hisi_hba->debugfs_dir = debugfs_create_dir(dev_name(dev),
4880 hisi_sas_debugfs_dir);
4881 debugfs_create_file("trigger_dump", 0200,
4882 hisi_hba->debugfs_dir,
4884 &debugfs_trigger_dump_v3_hw_fops);
4886 /* create bist structures */
4887 debugfs_bist_init_v3_hw(hisi_hba);
4889 hisi_hba->debugfs_dump_dentry =
4890 debugfs_create_dir("dump", hisi_hba->debugfs_dir);
4892 debugfs_phy_down_cnt_init_v3_hw(hisi_hba);
4893 debugfs_fifo_init_v3_hw(hisi_hba);
4895 for (i = 0; i < hisi_sas_debugfs_dump_count; i++) {
4896 if (debugfs_alloc_v3_hw(hisi_hba, i)) {
4897 debugfs_exit_v3_hw(hisi_hba);
4898 dev_dbg(dev, "failed to init debugfs!\n");
4905 hisi_sas_v3_probe(struct pci_dev *pdev, const struct pci_device_id *id)
4907 struct Scsi_Host *shost;
4908 struct hisi_hba *hisi_hba;
4909 struct device *dev = &pdev->dev;
4910 struct asd_sas_phy **arr_phy;
4911 struct asd_sas_port **arr_port;
4912 struct sas_ha_struct *sha;
4913 int rc, phy_nr, port_nr, i;
4915 rc = pcim_enable_device(pdev);
4919 pci_set_master(pdev);
4921 rc = pcim_iomap_regions(pdev, 1 << BAR_NO_V3_HW, DRV_NAME);
4925 rc = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64));
4927 dev_err(dev, "No usable DMA addressing method\n");
4932 shost = hisi_sas_shost_alloc_pci(pdev);
4938 sha = SHOST_TO_SAS_HA(shost);
4939 hisi_hba = shost_priv(shost);
4940 dev_set_drvdata(dev, sha);
4942 hisi_hba->regs = pcim_iomap_table(pdev)[BAR_NO_V3_HW];
4943 if (!hisi_hba->regs) {
4944 dev_err(dev, "cannot map register\n");
4946 goto err_out_free_host;
4949 phy_nr = port_nr = hisi_hba->n_phy;
4951 arr_phy = devm_kcalloc(dev, phy_nr, sizeof(void *), GFP_KERNEL);
4952 arr_port = devm_kcalloc(dev, port_nr, sizeof(void *), GFP_KERNEL);
4953 if (!arr_phy || !arr_port) {
4955 goto err_out_free_host;
4958 sha->sas_phy = arr_phy;
4959 sha->sas_port = arr_port;
4961 sha->lldd_ha = hisi_hba;
4963 shost->transportt = hisi_sas_stt;
4964 shost->max_id = HISI_SAS_MAX_DEVICES;
4965 shost->max_lun = ~0;
4966 shost->max_channel = 1;
4967 shost->max_cmd_len = 16;
4968 shost->can_queue = HISI_SAS_UNRESERVED_IPTT;
4969 shost->cmd_per_lun = HISI_SAS_UNRESERVED_IPTT;
4970 if (hisi_hba->iopoll_q_cnt)
4975 sha->sas_ha_name = DRV_NAME;
4977 sha->sas_addr = &hisi_hba->sas_addr[0];
4978 sha->num_phys = hisi_hba->n_phy;
4980 for (i = 0; i < hisi_hba->n_phy; i++) {
4981 sha->sas_phy[i] = &hisi_hba->phy[i].sas_phy;
4982 sha->sas_port[i] = &hisi_hba->port[i].sas_port;
4985 if (hisi_hba->prot_mask) {
4986 dev_info(dev, "Registering for DIF/DIX prot_mask=0x%x\n",
4988 scsi_host_set_prot(hisi_hba->shost, prot_mask);
4989 if (hisi_hba->prot_mask & HISI_SAS_DIX_PROT_MASK)
4990 scsi_host_set_guard(hisi_hba->shost,
4991 SHOST_DIX_GUARD_CRC);
4994 if (hisi_sas_debugfs_enable)
4995 debugfs_init_v3_hw(hisi_hba);
4997 rc = interrupt_preinit_v3_hw(hisi_hba);
4999 goto err_out_undo_debugfs;
5001 rc = scsi_add_host(shost, dev);
5003 goto err_out_undo_debugfs;
5005 rc = sas_register_ha(sha);
5007 goto err_out_remove_host;
5009 rc = hisi_sas_v3_init(hisi_hba);
5011 goto err_out_unregister_ha;
5013 scsi_scan_host(shost);
5015 pm_runtime_set_autosuspend_delay(dev, 5000);
5016 pm_runtime_use_autosuspend(dev);
5018 * For the situation that there are ATA disks connected with SAS
5019 * controller, it additionally creates ata_port which will affect the
5020 * child_count of hisi_hba->dev. Even if suspended all the disks,
5021 * ata_port is still and the child_count of hisi_hba->dev is not 0.
5022 * So use pm_suspend_ignore_children() to ignore the effect to
5025 pm_suspend_ignore_children(dev, true);
5026 pm_runtime_put_noidle(&pdev->dev);
5030 err_out_unregister_ha:
5031 sas_unregister_ha(sha);
5032 err_out_remove_host:
5033 scsi_remove_host(shost);
5034 err_out_undo_debugfs:
5035 debugfs_exit_v3_hw(hisi_hba);
5037 hisi_sas_free(hisi_hba);
5038 scsi_host_put(shost);
5044 hisi_sas_v3_destroy_irqs(struct pci_dev *pdev, struct hisi_hba *hisi_hba)
5048 devm_free_irq(&pdev->dev, pci_irq_vector(pdev, 1), hisi_hba);
5049 devm_free_irq(&pdev->dev, pci_irq_vector(pdev, 2), hisi_hba);
5050 devm_free_irq(&pdev->dev, pci_irq_vector(pdev, 11), hisi_hba);
5051 for (i = 0; i < hisi_hba->cq_nvecs; i++) {
5052 struct hisi_sas_cq *cq = &hisi_hba->cq[i];
5053 int nr = hisi_sas_intr_conv ? 16 : 16 + i;
5055 devm_free_irq(&pdev->dev, pci_irq_vector(pdev, nr), cq);
5059 static void hisi_sas_v3_remove(struct pci_dev *pdev)
5061 struct device *dev = &pdev->dev;
5062 struct sas_ha_struct *sha = dev_get_drvdata(dev);
5063 struct hisi_hba *hisi_hba = sha->lldd_ha;
5064 struct Scsi_Host *shost = sha->shost;
5066 pm_runtime_get_noresume(dev);
5067 del_timer_sync(&hisi_hba->timer);
5069 sas_unregister_ha(sha);
5070 flush_workqueue(hisi_hba->wq);
5071 sas_remove_host(shost);
5073 hisi_sas_v3_destroy_irqs(pdev, hisi_hba);
5074 hisi_sas_free(hisi_hba);
5075 debugfs_exit_v3_hw(hisi_hba);
5076 scsi_host_put(shost);
5079 static void hisi_sas_reset_prepare_v3_hw(struct pci_dev *pdev)
5081 struct sas_ha_struct *sha = pci_get_drvdata(pdev);
5082 struct hisi_hba *hisi_hba = sha->lldd_ha;
5083 struct device *dev = hisi_hba->dev;
5086 dev_info(dev, "FLR prepare\n");
5087 down(&hisi_hba->sem);
5088 set_bit(HISI_SAS_RESETTING_BIT, &hisi_hba->flags);
5089 hisi_sas_controller_reset_prepare(hisi_hba);
5091 interrupt_disable_v3_hw(hisi_hba);
5092 rc = disable_host_v3_hw(hisi_hba);
5094 dev_err(dev, "FLR: disable host failed rc=%d\n", rc);
5097 static void hisi_sas_reset_done_v3_hw(struct pci_dev *pdev)
5099 struct sas_ha_struct *sha = pci_get_drvdata(pdev);
5100 struct hisi_hba *hisi_hba = sha->lldd_ha;
5101 struct device *dev = hisi_hba->dev;
5104 hisi_sas_init_mem(hisi_hba);
5106 rc = hw_init_v3_hw(hisi_hba);
5108 dev_err(dev, "FLR: hw init failed rc=%d\n", rc);
5112 hisi_sas_controller_reset_done(hisi_hba);
5113 dev_info(dev, "FLR done\n");
5117 /* instances of the controller */
5121 static void enable_host_v3_hw(struct hisi_hba *hisi_hba)
5125 hisi_sas_write32(hisi_hba, DLVRY_QUEUE_ENABLE,
5126 (u32)((1ULL << hisi_hba->queue_count) - 1));
5128 phys_init_v3_hw(hisi_hba);
5129 reg_val = hisi_sas_read32(hisi_hba, AXI_MASTER_CFG_BASE +
5131 reg_val &= ~AM_CTRL_SHUTDOWN_REQ_MSK;
5132 hisi_sas_write32(hisi_hba, AXI_MASTER_CFG_BASE +
5133 AM_CTRL_GLOBAL, reg_val);
5136 static int _suspend_v3_hw(struct device *device)
5138 struct pci_dev *pdev = to_pci_dev(device);
5139 struct sas_ha_struct *sha = pci_get_drvdata(pdev);
5140 struct hisi_hba *hisi_hba = sha->lldd_ha;
5141 struct device *dev = hisi_hba->dev;
5142 struct Scsi_Host *shost = hisi_hba->shost;
5145 if (!pdev->pm_cap) {
5146 dev_err(dev, "PCI PM not supported\n");
5150 if (test_and_set_bit(HISI_SAS_RESETTING_BIT, &hisi_hba->flags))
5153 dev_warn(dev, "entering suspend state\n");
5155 scsi_block_requests(shost);
5156 set_bit(HISI_SAS_REJECT_CMD_BIT, &hisi_hba->flags);
5157 flush_workqueue(hisi_hba->wq);
5158 interrupt_disable_v3_hw(hisi_hba);
5161 if (atomic_read(&device->power.usage_count)) {
5162 dev_err(dev, "PM suspend: host status cannot be suspended\n");
5168 rc = disable_host_v3_hw(hisi_hba);
5170 dev_err(dev, "PM suspend: disable host failed rc=%d\n", rc);
5171 goto err_out_recover_host;
5174 hisi_sas_init_mem(hisi_hba);
5176 hisi_sas_release_tasks(hisi_hba);
5178 sas_suspend_ha(sha);
5180 dev_warn(dev, "end of suspending controller\n");
5183 err_out_recover_host:
5184 enable_host_v3_hw(hisi_hba);
5188 interrupt_enable_v3_hw(hisi_hba);
5189 clear_bit(HISI_SAS_REJECT_CMD_BIT, &hisi_hba->flags);
5190 clear_bit(HISI_SAS_RESETTING_BIT, &hisi_hba->flags);
5191 scsi_unblock_requests(shost);
5195 static int _resume_v3_hw(struct device *device)
5197 struct pci_dev *pdev = to_pci_dev(device);
5198 struct sas_ha_struct *sha = pci_get_drvdata(pdev);
5199 struct hisi_hba *hisi_hba = sha->lldd_ha;
5200 struct Scsi_Host *shost = hisi_hba->shost;
5201 struct device *dev = hisi_hba->dev;
5203 pci_power_t device_state = pdev->current_state;
5205 dev_warn(dev, "resuming from operating state [D%d]\n",
5208 scsi_unblock_requests(shost);
5209 clear_bit(HISI_SAS_REJECT_CMD_BIT, &hisi_hba->flags);
5211 sas_prep_resume_ha(sha);
5212 rc = hw_init_v3_hw(hisi_hba);
5214 scsi_remove_host(shost);
5217 phys_init_v3_hw(hisi_hba);
5220 * If a directly-attached disk is removed during suspend, a deadlock
5221 * may occur, as the PHYE_RESUME_TIMEOUT processing will require the
5222 * hisi_hba->device to be active, which can only happen when resume
5223 * completes. So don't wait for the HA event workqueue to drain upon
5226 sas_resume_ha_no_sync(sha);
5227 clear_bit(HISI_SAS_RESETTING_BIT, &hisi_hba->flags);
5229 dev_warn(dev, "end of resuming controller\n");
5234 static int __maybe_unused suspend_v3_hw(struct device *device)
5236 struct pci_dev *pdev = to_pci_dev(device);
5237 struct sas_ha_struct *sha = pci_get_drvdata(pdev);
5238 struct hisi_hba *hisi_hba = sha->lldd_ha;
5241 set_bit(HISI_SAS_PM_BIT, &hisi_hba->flags);
5243 rc = _suspend_v3_hw(device);
5245 clear_bit(HISI_SAS_PM_BIT, &hisi_hba->flags);
5250 static int __maybe_unused resume_v3_hw(struct device *device)
5252 struct pci_dev *pdev = to_pci_dev(device);
5253 struct sas_ha_struct *sha = pci_get_drvdata(pdev);
5254 struct hisi_hba *hisi_hba = sha->lldd_ha;
5255 int rc = _resume_v3_hw(device);
5257 clear_bit(HISI_SAS_PM_BIT, &hisi_hba->flags);
5262 static const struct pci_device_id sas_v3_pci_table[] = {
5263 { PCI_VDEVICE(HUAWEI, 0xa230), hip08 },
5266 MODULE_DEVICE_TABLE(pci, sas_v3_pci_table);
5268 static const struct pci_error_handlers hisi_sas_err_handler = {
5269 .reset_prepare = hisi_sas_reset_prepare_v3_hw,
5270 .reset_done = hisi_sas_reset_done_v3_hw,
5273 static UNIVERSAL_DEV_PM_OPS(hisi_sas_v3_pm_ops,
5278 static struct pci_driver sas_v3_pci_driver = {
5280 .id_table = sas_v3_pci_table,
5281 .probe = hisi_sas_v3_probe,
5282 .remove = hisi_sas_v3_remove,
5283 .err_handler = &hisi_sas_err_handler,
5284 .driver.pm = &hisi_sas_v3_pm_ops,
5287 module_pci_driver(sas_v3_pci_driver);
5288 module_param_named(intr_conv, hisi_sas_intr_conv, bool, 0444);
5290 MODULE_LICENSE("GPL");
5291 MODULE_AUTHOR("John Garry <john.garry@huawei.com>");
5292 MODULE_DESCRIPTION("HISILICON SAS controller v3 hw driver based on pci device");
5293 MODULE_ALIAS("pci:" DRV_NAME);