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3417ba8a JG |
1 | /* |
2 | * Copyright (c) 2016 Linaro Ltd. | |
3 | * Copyright (c) 2016 Hisilicon Limited. | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or modify | |
6 | * it under the terms of the GNU General Public License as published by | |
7 | * the Free Software Foundation; either version 2 of the License, or | |
8 | * (at your option) any later version. | |
9 | * | |
10 | */ | |
11 | ||
12 | #include "hisi_sas.h" | |
13 | #define DRV_NAME "hisi_sas_v2_hw" | |
14 | ||
45c901b8 JG |
15 | /* global registers need init*/ |
16 | #define DLVRY_QUEUE_ENABLE 0x0 | |
17 | #define IOST_BASE_ADDR_LO 0x8 | |
18 | #define IOST_BASE_ADDR_HI 0xc | |
19 | #define ITCT_BASE_ADDR_LO 0x10 | |
20 | #define ITCT_BASE_ADDR_HI 0x14 | |
21 | #define IO_BROKEN_MSG_ADDR_LO 0x18 | |
22 | #define IO_BROKEN_MSG_ADDR_HI 0x1c | |
23 | #define PHY_CONTEXT 0x20 | |
24 | #define PHY_STATE 0x24 | |
25 | #define PHY_PORT_NUM_MA 0x28 | |
26 | #define PORT_STATE 0x2c | |
27 | #define PORT_STATE_PHY8_PORT_NUM_OFF 16 | |
28 | #define PORT_STATE_PHY8_PORT_NUM_MSK (0xf << PORT_STATE_PHY8_PORT_NUM_OFF) | |
29 | #define PORT_STATE_PHY8_CONN_RATE_OFF 20 | |
30 | #define PORT_STATE_PHY8_CONN_RATE_MSK (0xf << PORT_STATE_PHY8_CONN_RATE_OFF) | |
31 | #define PHY_CONN_RATE 0x30 | |
32 | #define HGC_TRANS_TASK_CNT_LIMIT 0x38 | |
33 | #define AXI_AHB_CLK_CFG 0x3c | |
34 | #define ITCT_CLR 0x44 | |
35 | #define ITCT_CLR_EN_OFF 16 | |
36 | #define ITCT_CLR_EN_MSK (0x1 << ITCT_CLR_EN_OFF) | |
37 | #define ITCT_DEV_OFF 0 | |
38 | #define ITCT_DEV_MSK (0x7ff << ITCT_DEV_OFF) | |
39 | #define AXI_USER1 0x48 | |
40 | #define AXI_USER2 0x4c | |
41 | #define IO_SATA_BROKEN_MSG_ADDR_LO 0x58 | |
42 | #define IO_SATA_BROKEN_MSG_ADDR_HI 0x5c | |
43 | #define SATA_INITI_D2H_STORE_ADDR_LO 0x60 | |
44 | #define SATA_INITI_D2H_STORE_ADDR_HI 0x64 | |
45 | #define HGC_SAS_TX_OPEN_FAIL_RETRY_CTRL 0x84 | |
46 | #define HGC_SAS_TXFAIL_RETRY_CTRL 0x88 | |
47 | #define HGC_GET_ITV_TIME 0x90 | |
48 | #define DEVICE_MSG_WORK_MODE 0x94 | |
49 | #define OPENA_WT_CONTI_TIME 0x9c | |
50 | #define I_T_NEXUS_LOSS_TIME 0xa0 | |
51 | #define MAX_CON_TIME_LIMIT_TIME 0xa4 | |
52 | #define BUS_INACTIVE_LIMIT_TIME 0xa8 | |
53 | #define REJECT_TO_OPEN_LIMIT_TIME 0xac | |
54 | #define CFG_AGING_TIME 0xbc | |
55 | #define HGC_DFX_CFG2 0xc0 | |
56 | #define HGC_IOMB_PROC1_STATUS 0x104 | |
57 | #define CFG_1US_TIMER_TRSH 0xcc | |
d3b688d3 XC |
58 | #define HGC_LM_DFX_STATUS2 0x128 |
59 | #define HGC_LM_DFX_STATUS2_IOSTLIST_OFF 0 | |
60 | #define HGC_LM_DFX_STATUS2_IOSTLIST_MSK (0xfff << \ | |
61 | HGC_LM_DFX_STATUS2_IOSTLIST_OFF) | |
62 | #define HGC_LM_DFX_STATUS2_ITCTLIST_OFF 12 | |
63 | #define HGC_LM_DFX_STATUS2_ITCTLIST_MSK (0x7ff << \ | |
64 | HGC_LM_DFX_STATUS2_ITCTLIST_OFF) | |
65 | #define HGC_CQE_ECC_ADDR 0x13c | |
66 | #define HGC_CQE_ECC_1B_ADDR_OFF 0 | |
ce41b41e | 67 | #define HGC_CQE_ECC_1B_ADDR_MSK (0x3f << HGC_CQE_ECC_1B_ADDR_OFF) |
d3b688d3 | 68 | #define HGC_CQE_ECC_MB_ADDR_OFF 8 |
ce41b41e | 69 | #define HGC_CQE_ECC_MB_ADDR_MSK (0x3f << HGC_CQE_ECC_MB_ADDR_OFF) |
d3b688d3 XC |
70 | #define HGC_IOST_ECC_ADDR 0x140 |
71 | #define HGC_IOST_ECC_1B_ADDR_OFF 0 | |
ce41b41e | 72 | #define HGC_IOST_ECC_1B_ADDR_MSK (0x3ff << HGC_IOST_ECC_1B_ADDR_OFF) |
d3b688d3 | 73 | #define HGC_IOST_ECC_MB_ADDR_OFF 16 |
ce41b41e | 74 | #define HGC_IOST_ECC_MB_ADDR_MSK (0x3ff << HGC_IOST_ECC_MB_ADDR_OFF) |
d3b688d3 XC |
75 | #define HGC_DQE_ECC_ADDR 0x144 |
76 | #define HGC_DQE_ECC_1B_ADDR_OFF 0 | |
ce41b41e | 77 | #define HGC_DQE_ECC_1B_ADDR_MSK (0xfff << HGC_DQE_ECC_1B_ADDR_OFF) |
d3b688d3 | 78 | #define HGC_DQE_ECC_MB_ADDR_OFF 16 |
ce41b41e | 79 | #define HGC_DQE_ECC_MB_ADDR_MSK (0xfff << HGC_DQE_ECC_MB_ADDR_OFF) |
45c901b8 JG |
80 | #define HGC_INVLD_DQE_INFO 0x148 |
81 | #define HGC_INVLD_DQE_INFO_FB_CH0_OFF 9 | |
82 | #define HGC_INVLD_DQE_INFO_FB_CH0_MSK (0x1 << HGC_INVLD_DQE_INFO_FB_CH0_OFF) | |
83 | #define HGC_INVLD_DQE_INFO_FB_CH3_OFF 18 | |
d3b688d3 XC |
84 | #define HGC_ITCT_ECC_ADDR 0x150 |
85 | #define HGC_ITCT_ECC_1B_ADDR_OFF 0 | |
86 | #define HGC_ITCT_ECC_1B_ADDR_MSK (0x3ff << \ | |
87 | HGC_ITCT_ECC_1B_ADDR_OFF) | |
88 | #define HGC_ITCT_ECC_MB_ADDR_OFF 16 | |
89 | #define HGC_ITCT_ECC_MB_ADDR_MSK (0x3ff << \ | |
90 | HGC_ITCT_ECC_MB_ADDR_OFF) | |
91 | #define HGC_AXI_FIFO_ERR_INFO 0x154 | |
92 | #define AXI_ERR_INFO_OFF 0 | |
93 | #define AXI_ERR_INFO_MSK (0xff << AXI_ERR_INFO_OFF) | |
94 | #define FIFO_ERR_INFO_OFF 8 | |
95 | #define FIFO_ERR_INFO_MSK (0xff << FIFO_ERR_INFO_OFF) | |
45c901b8 JG |
96 | #define INT_COAL_EN 0x19c |
97 | #define OQ_INT_COAL_TIME 0x1a0 | |
98 | #define OQ_INT_COAL_CNT 0x1a4 | |
99 | #define ENT_INT_COAL_TIME 0x1a8 | |
100 | #define ENT_INT_COAL_CNT 0x1ac | |
101 | #define OQ_INT_SRC 0x1b0 | |
102 | #define OQ_INT_SRC_MSK 0x1b4 | |
103 | #define ENT_INT_SRC1 0x1b8 | |
104 | #define ENT_INT_SRC1_D2H_FIS_CH0_OFF 0 | |
105 | #define ENT_INT_SRC1_D2H_FIS_CH0_MSK (0x1 << ENT_INT_SRC1_D2H_FIS_CH0_OFF) | |
106 | #define ENT_INT_SRC1_D2H_FIS_CH1_OFF 8 | |
107 | #define ENT_INT_SRC1_D2H_FIS_CH1_MSK (0x1 << ENT_INT_SRC1_D2H_FIS_CH1_OFF) | |
108 | #define ENT_INT_SRC2 0x1bc | |
109 | #define ENT_INT_SRC3 0x1c0 | |
d3b688d3 XC |
110 | #define ENT_INT_SRC3_WP_DEPTH_OFF 8 |
111 | #define ENT_INT_SRC3_IPTT_SLOT_NOMATCH_OFF 9 | |
112 | #define ENT_INT_SRC3_RP_DEPTH_OFF 10 | |
113 | #define ENT_INT_SRC3_AXI_OFF 11 | |
114 | #define ENT_INT_SRC3_FIFO_OFF 12 | |
115 | #define ENT_INT_SRC3_LM_OFF 14 | |
45c901b8 JG |
116 | #define ENT_INT_SRC3_ITC_INT_OFF 15 |
117 | #define ENT_INT_SRC3_ITC_INT_MSK (0x1 << ENT_INT_SRC3_ITC_INT_OFF) | |
d3b688d3 | 118 | #define ENT_INT_SRC3_ABT_OFF 16 |
45c901b8 JG |
119 | #define ENT_INT_SRC_MSK1 0x1c4 |
120 | #define ENT_INT_SRC_MSK2 0x1c8 | |
121 | #define ENT_INT_SRC_MSK3 0x1cc | |
122 | #define ENT_INT_SRC_MSK3_ENT95_MSK_OFF 31 | |
123 | #define ENT_INT_SRC_MSK3_ENT95_MSK_MSK (0x1 << ENT_INT_SRC_MSK3_ENT95_MSK_OFF) | |
d3b688d3 XC |
124 | #define SAS_ECC_INTR 0x1e8 |
125 | #define SAS_ECC_INTR_DQE_ECC_1B_OFF 0 | |
126 | #define SAS_ECC_INTR_DQE_ECC_MB_OFF 1 | |
127 | #define SAS_ECC_INTR_IOST_ECC_1B_OFF 2 | |
128 | #define SAS_ECC_INTR_IOST_ECC_MB_OFF 3 | |
129 | #define SAS_ECC_INTR_ITCT_ECC_MB_OFF 4 | |
130 | #define SAS_ECC_INTR_ITCT_ECC_1B_OFF 5 | |
131 | #define SAS_ECC_INTR_IOSTLIST_ECC_MB_OFF 6 | |
132 | #define SAS_ECC_INTR_IOSTLIST_ECC_1B_OFF 7 | |
133 | #define SAS_ECC_INTR_ITCTLIST_ECC_1B_OFF 8 | |
134 | #define SAS_ECC_INTR_ITCTLIST_ECC_MB_OFF 9 | |
135 | #define SAS_ECC_INTR_CQE_ECC_1B_OFF 10 | |
136 | #define SAS_ECC_INTR_CQE_ECC_MB_OFF 11 | |
137 | #define SAS_ECC_INTR_NCQ_MEM0_ECC_MB_OFF 12 | |
138 | #define SAS_ECC_INTR_NCQ_MEM0_ECC_1B_OFF 13 | |
139 | #define SAS_ECC_INTR_NCQ_MEM1_ECC_MB_OFF 14 | |
140 | #define SAS_ECC_INTR_NCQ_MEM1_ECC_1B_OFF 15 | |
141 | #define SAS_ECC_INTR_NCQ_MEM2_ECC_MB_OFF 16 | |
142 | #define SAS_ECC_INTR_NCQ_MEM2_ECC_1B_OFF 17 | |
143 | #define SAS_ECC_INTR_NCQ_MEM3_ECC_MB_OFF 18 | |
144 | #define SAS_ECC_INTR_NCQ_MEM3_ECC_1B_OFF 19 | |
45c901b8 JG |
145 | #define SAS_ECC_INTR_MSK 0x1ec |
146 | #define HGC_ERR_STAT_EN 0x238 | |
147 | #define DLVRY_Q_0_BASE_ADDR_LO 0x260 | |
148 | #define DLVRY_Q_0_BASE_ADDR_HI 0x264 | |
149 | #define DLVRY_Q_0_DEPTH 0x268 | |
150 | #define DLVRY_Q_0_WR_PTR 0x26c | |
151 | #define DLVRY_Q_0_RD_PTR 0x270 | |
152 | #define HYPER_STREAM_ID_EN_CFG 0xc80 | |
153 | #define OQ0_INT_SRC_MSK 0xc90 | |
154 | #define COMPL_Q_0_BASE_ADDR_LO 0x4e0 | |
155 | #define COMPL_Q_0_BASE_ADDR_HI 0x4e4 | |
156 | #define COMPL_Q_0_DEPTH 0x4e8 | |
157 | #define COMPL_Q_0_WR_PTR 0x4ec | |
158 | #define COMPL_Q_0_RD_PTR 0x4f0 | |
d3b688d3 XC |
159 | #define HGC_RXM_DFX_STATUS14 0xae8 |
160 | #define HGC_RXM_DFX_STATUS14_MEM0_OFF 0 | |
161 | #define HGC_RXM_DFX_STATUS14_MEM0_MSK (0x1ff << \ | |
162 | HGC_RXM_DFX_STATUS14_MEM0_OFF) | |
163 | #define HGC_RXM_DFX_STATUS14_MEM1_OFF 9 | |
164 | #define HGC_RXM_DFX_STATUS14_MEM1_MSK (0x1ff << \ | |
165 | HGC_RXM_DFX_STATUS14_MEM1_OFF) | |
166 | #define HGC_RXM_DFX_STATUS14_MEM2_OFF 18 | |
167 | #define HGC_RXM_DFX_STATUS14_MEM2_MSK (0x1ff << \ | |
168 | HGC_RXM_DFX_STATUS14_MEM2_OFF) | |
169 | #define HGC_RXM_DFX_STATUS15 0xaec | |
170 | #define HGC_RXM_DFX_STATUS15_MEM3_OFF 0 | |
171 | #define HGC_RXM_DFX_STATUS15_MEM3_MSK (0x1ff << \ | |
172 | HGC_RXM_DFX_STATUS15_MEM3_OFF) | |
45c901b8 JG |
173 | /* phy registers need init */ |
174 | #define PORT_BASE (0x2000) | |
175 | ||
176 | #define PHY_CFG (PORT_BASE + 0x0) | |
177 | #define HARD_PHY_LINKRATE (PORT_BASE + 0x4) | |
178 | #define PHY_CFG_ENA_OFF 0 | |
179 | #define PHY_CFG_ENA_MSK (0x1 << PHY_CFG_ENA_OFF) | |
180 | #define PHY_CFG_DC_OPT_OFF 2 | |
181 | #define PHY_CFG_DC_OPT_MSK (0x1 << PHY_CFG_DC_OPT_OFF) | |
182 | #define PROG_PHY_LINK_RATE (PORT_BASE + 0x8) | |
183 | #define PROG_PHY_LINK_RATE_MAX_OFF 0 | |
184 | #define PROG_PHY_LINK_RATE_MAX_MSK (0xff << PROG_PHY_LINK_RATE_MAX_OFF) | |
185 | #define PHY_CTRL (PORT_BASE + 0x14) | |
186 | #define PHY_CTRL_RESET_OFF 0 | |
187 | #define PHY_CTRL_RESET_MSK (0x1 << PHY_CTRL_RESET_OFF) | |
188 | #define SAS_PHY_CTRL (PORT_BASE + 0x20) | |
189 | #define SL_CFG (PORT_BASE + 0x84) | |
190 | #define PHY_PCN (PORT_BASE + 0x44) | |
191 | #define SL_TOUT_CFG (PORT_BASE + 0x8c) | |
192 | #define SL_CONTROL (PORT_BASE + 0x94) | |
193 | #define SL_CONTROL_NOTIFY_EN_OFF 0 | |
194 | #define SL_CONTROL_NOTIFY_EN_MSK (0x1 << SL_CONTROL_NOTIFY_EN_OFF) | |
9c81e2cf JG |
195 | #define SL_CONTROL_CTA_OFF 17 |
196 | #define SL_CONTROL_CTA_MSK (0x1 << SL_CONTROL_CTA_OFF) | |
0844a3ff JG |
197 | #define RX_PRIMS_STATUS (PORT_BASE + 0x98) |
198 | #define RX_BCAST_CHG_OFF 1 | |
199 | #define RX_BCAST_CHG_MSK (0x1 << RX_BCAST_CHG_OFF) | |
45c901b8 JG |
200 | #define TX_ID_DWORD0 (PORT_BASE + 0x9c) |
201 | #define TX_ID_DWORD1 (PORT_BASE + 0xa0) | |
202 | #define TX_ID_DWORD2 (PORT_BASE + 0xa4) | |
203 | #define TX_ID_DWORD3 (PORT_BASE + 0xa8) | |
204 | #define TX_ID_DWORD4 (PORT_BASE + 0xaC) | |
205 | #define TX_ID_DWORD5 (PORT_BASE + 0xb0) | |
206 | #define TX_ID_DWORD6 (PORT_BASE + 0xb4) | |
9c81e2cf JG |
207 | #define TXID_AUTO (PORT_BASE + 0xb8) |
208 | #define TXID_AUTO_CT3_OFF 1 | |
209 | #define TXID_AUTO_CT3_MSK (0x1 << TXID_AUTO_CT3_OFF) | |
819cbf18 XT |
210 | #define TXID_AUTO_CTB_OFF 11 |
211 | #define TXID_AUTO_CTB_MSK (0x1 << TXID_AUTO_CTB_OFF) | |
0844a3ff JG |
212 | #define TX_HARDRST_OFF 2 |
213 | #define TX_HARDRST_MSK (0x1 << TX_HARDRST_OFF) | |
45c901b8 JG |
214 | #define RX_IDAF_DWORD0 (PORT_BASE + 0xc4) |
215 | #define RX_IDAF_DWORD1 (PORT_BASE + 0xc8) | |
216 | #define RX_IDAF_DWORD2 (PORT_BASE + 0xcc) | |
217 | #define RX_IDAF_DWORD3 (PORT_BASE + 0xd0) | |
218 | #define RX_IDAF_DWORD4 (PORT_BASE + 0xd4) | |
219 | #define RX_IDAF_DWORD5 (PORT_BASE + 0xd8) | |
220 | #define RX_IDAF_DWORD6 (PORT_BASE + 0xdc) | |
221 | #define RXOP_CHECK_CFG_H (PORT_BASE + 0xfc) | |
f2f89c32 | 222 | #define CON_CONTROL (PORT_BASE + 0x118) |
c7b9d369 XT |
223 | #define CON_CONTROL_CFG_OPEN_ACC_STP_OFF 0 |
224 | #define CON_CONTROL_CFG_OPEN_ACC_STP_MSK \ | |
225 | (0x01 << CON_CONTROL_CFG_OPEN_ACC_STP_OFF) | |
45c901b8 JG |
226 | #define DONE_RECEIVED_TIME (PORT_BASE + 0x11c) |
227 | #define CHL_INT0 (PORT_BASE + 0x1b4) | |
228 | #define CHL_INT0_HOTPLUG_TOUT_OFF 0 | |
229 | #define CHL_INT0_HOTPLUG_TOUT_MSK (0x1 << CHL_INT0_HOTPLUG_TOUT_OFF) | |
230 | #define CHL_INT0_SL_RX_BCST_ACK_OFF 1 | |
231 | #define CHL_INT0_SL_RX_BCST_ACK_MSK (0x1 << CHL_INT0_SL_RX_BCST_ACK_OFF) | |
232 | #define CHL_INT0_SL_PHY_ENABLE_OFF 2 | |
233 | #define CHL_INT0_SL_PHY_ENABLE_MSK (0x1 << CHL_INT0_SL_PHY_ENABLE_OFF) | |
234 | #define CHL_INT0_NOT_RDY_OFF 4 | |
235 | #define CHL_INT0_NOT_RDY_MSK (0x1 << CHL_INT0_NOT_RDY_OFF) | |
236 | #define CHL_INT0_PHY_RDY_OFF 5 | |
237 | #define CHL_INT0_PHY_RDY_MSK (0x1 << CHL_INT0_PHY_RDY_OFF) | |
238 | #define CHL_INT1 (PORT_BASE + 0x1b8) | |
239 | #define CHL_INT1_DMAC_TX_ECC_ERR_OFF 15 | |
240 | #define CHL_INT1_DMAC_TX_ECC_ERR_MSK (0x1 << CHL_INT1_DMAC_TX_ECC_ERR_OFF) | |
241 | #define CHL_INT1_DMAC_RX_ECC_ERR_OFF 17 | |
242 | #define CHL_INT1_DMAC_RX_ECC_ERR_MSK (0x1 << CHL_INT1_DMAC_RX_ECC_ERR_OFF) | |
9dd1d620 XT |
243 | #define CHL_INT1_DMAC_TX_AXI_WR_ERR_OFF 19 |
244 | #define CHL_INT1_DMAC_TX_AXI_RD_ERR_OFF 20 | |
245 | #define CHL_INT1_DMAC_RX_AXI_WR_ERR_OFF 21 | |
246 | #define CHL_INT1_DMAC_RX_AXI_RD_ERR_OFF 22 | |
45c901b8 | 247 | #define CHL_INT2 (PORT_BASE + 0x1bc) |
066312f6 | 248 | #define CHL_INT2_SL_IDAF_TOUT_CONF_OFF 0 |
45c901b8 JG |
249 | #define CHL_INT0_MSK (PORT_BASE + 0x1c0) |
250 | #define CHL_INT1_MSK (PORT_BASE + 0x1c4) | |
251 | #define CHL_INT2_MSK (PORT_BASE + 0x1c8) | |
252 | #define CHL_INT_COAL_EN (PORT_BASE + 0x1d0) | |
0844a3ff JG |
253 | #define DMA_TX_DFX0 (PORT_BASE + 0x200) |
254 | #define DMA_TX_DFX1 (PORT_BASE + 0x204) | |
c7b9d369 XT |
255 | #define DMA_TX_DFX1_IPTT_OFF 0 |
256 | #define DMA_TX_DFX1_IPTT_MSK (0xffff << DMA_TX_DFX1_IPTT_OFF) | |
819cbf18 | 257 | #define DMA_TX_FIFO_DFX0 (PORT_BASE + 0x240) |
0844a3ff JG |
258 | #define PORT_DFX0 (PORT_BASE + 0x258) |
259 | #define LINK_DFX2 (PORT_BASE + 0X264) | |
819cbf18 XT |
260 | #define LINK_DFX2_RCVR_HOLD_STS_OFF 9 |
261 | #define LINK_DFX2_RCVR_HOLD_STS_MSK (0x1 << LINK_DFX2_RCVR_HOLD_STS_OFF) | |
262 | #define LINK_DFX2_SEND_HOLD_STS_OFF 10 | |
263 | #define LINK_DFX2_SEND_HOLD_STS_MSK (0x1 << LINK_DFX2_SEND_HOLD_STS_OFF) | |
c52108c6 XT |
264 | #define SAS_ERR_CNT4_REG (PORT_BASE + 0x290) |
265 | #define SAS_ERR_CNT6_REG (PORT_BASE + 0x298) | |
45c901b8 JG |
266 | #define PHY_CTRL_RDY_MSK (PORT_BASE + 0x2b0) |
267 | #define PHYCTRL_NOT_RDY_MSK (PORT_BASE + 0x2b4) | |
268 | #define PHYCTRL_DWS_RESET_MSK (PORT_BASE + 0x2b8) | |
269 | #define PHYCTRL_PHY_ENA_MSK (PORT_BASE + 0x2bc) | |
270 | #define SL_RX_BCAST_CHK_MSK (PORT_BASE + 0x2c0) | |
271 | #define PHYCTRL_OOB_RESTART_MSK (PORT_BASE + 0x2c4) | |
272 | #define DMA_TX_STATUS (PORT_BASE + 0x2d0) | |
273 | #define DMA_TX_STATUS_BUSY_OFF 0 | |
274 | #define DMA_TX_STATUS_BUSY_MSK (0x1 << DMA_TX_STATUS_BUSY_OFF) | |
275 | #define DMA_RX_STATUS (PORT_BASE + 0x2e8) | |
276 | #define DMA_RX_STATUS_BUSY_OFF 0 | |
277 | #define DMA_RX_STATUS_BUSY_MSK (0x1 << DMA_RX_STATUS_BUSY_OFF) | |
278 | ||
279 | #define AXI_CFG (0x5100) | |
280 | #define AM_CFG_MAX_TRANS (0x5010) | |
281 | #define AM_CFG_SINGLE_PORT_MAX_TRANS (0x5014) | |
282 | ||
06ec0fb9 XC |
283 | #define AXI_MASTER_CFG_BASE (0x5000) |
284 | #define AM_CTRL_GLOBAL (0x0) | |
285 | #define AM_CURR_TRANS_RETURN (0x150) | |
286 | ||
45c901b8 JG |
287 | /* HW dma structures */ |
288 | /* Delivery queue header */ | |
289 | /* dw0 */ | |
a3e665d9 JG |
290 | #define CMD_HDR_ABORT_FLAG_OFF 0 |
291 | #define CMD_HDR_ABORT_FLAG_MSK (0x3 << CMD_HDR_ABORT_FLAG_OFF) | |
292 | #define CMD_HDR_ABORT_DEVICE_TYPE_OFF 2 | |
293 | #define CMD_HDR_ABORT_DEVICE_TYPE_MSK (0x1 << CMD_HDR_ABORT_DEVICE_TYPE_OFF) | |
45c901b8 JG |
294 | #define CMD_HDR_RESP_REPORT_OFF 5 |
295 | #define CMD_HDR_RESP_REPORT_MSK (0x1 << CMD_HDR_RESP_REPORT_OFF) | |
296 | #define CMD_HDR_TLR_CTRL_OFF 6 | |
297 | #define CMD_HDR_TLR_CTRL_MSK (0x3 << CMD_HDR_TLR_CTRL_OFF) | |
298 | #define CMD_HDR_PORT_OFF 18 | |
299 | #define CMD_HDR_PORT_MSK (0xf << CMD_HDR_PORT_OFF) | |
300 | #define CMD_HDR_PRIORITY_OFF 27 | |
301 | #define CMD_HDR_PRIORITY_MSK (0x1 << CMD_HDR_PRIORITY_OFF) | |
302 | #define CMD_HDR_CMD_OFF 29 | |
303 | #define CMD_HDR_CMD_MSK (0x7 << CMD_HDR_CMD_OFF) | |
304 | /* dw1 */ | |
305 | #define CMD_HDR_DIR_OFF 5 | |
306 | #define CMD_HDR_DIR_MSK (0x3 << CMD_HDR_DIR_OFF) | |
307 | #define CMD_HDR_RESET_OFF 7 | |
308 | #define CMD_HDR_RESET_MSK (0x1 << CMD_HDR_RESET_OFF) | |
309 | #define CMD_HDR_VDTL_OFF 10 | |
310 | #define CMD_HDR_VDTL_MSK (0x1 << CMD_HDR_VDTL_OFF) | |
311 | #define CMD_HDR_FRAME_TYPE_OFF 11 | |
312 | #define CMD_HDR_FRAME_TYPE_MSK (0x1f << CMD_HDR_FRAME_TYPE_OFF) | |
313 | #define CMD_HDR_DEV_ID_OFF 16 | |
314 | #define CMD_HDR_DEV_ID_MSK (0xffff << CMD_HDR_DEV_ID_OFF) | |
315 | /* dw2 */ | |
316 | #define CMD_HDR_CFL_OFF 0 | |
317 | #define CMD_HDR_CFL_MSK (0x1ff << CMD_HDR_CFL_OFF) | |
318 | #define CMD_HDR_NCQ_TAG_OFF 10 | |
319 | #define CMD_HDR_NCQ_TAG_MSK (0x1f << CMD_HDR_NCQ_TAG_OFF) | |
320 | #define CMD_HDR_MRFL_OFF 15 | |
321 | #define CMD_HDR_MRFL_MSK (0x1ff << CMD_HDR_MRFL_OFF) | |
322 | #define CMD_HDR_SG_MOD_OFF 24 | |
323 | #define CMD_HDR_SG_MOD_MSK (0x3 << CMD_HDR_SG_MOD_OFF) | |
324 | #define CMD_HDR_FIRST_BURST_OFF 26 | |
325 | #define CMD_HDR_FIRST_BURST_MSK (0x1 << CMD_HDR_SG_MOD_OFF) | |
326 | /* dw3 */ | |
327 | #define CMD_HDR_IPTT_OFF 0 | |
328 | #define CMD_HDR_IPTT_MSK (0xffff << CMD_HDR_IPTT_OFF) | |
329 | /* dw6 */ | |
330 | #define CMD_HDR_DIF_SGL_LEN_OFF 0 | |
331 | #define CMD_HDR_DIF_SGL_LEN_MSK (0xffff << CMD_HDR_DIF_SGL_LEN_OFF) | |
332 | #define CMD_HDR_DATA_SGL_LEN_OFF 16 | |
333 | #define CMD_HDR_DATA_SGL_LEN_MSK (0xffff << CMD_HDR_DATA_SGL_LEN_OFF) | |
a3e665d9 JG |
334 | #define CMD_HDR_ABORT_IPTT_OFF 16 |
335 | #define CMD_HDR_ABORT_IPTT_MSK (0xffff << CMD_HDR_ABORT_IPTT_OFF) | |
45c901b8 JG |
336 | |
337 | /* Completion header */ | |
338 | /* dw0 */ | |
634a9585 XC |
339 | #define CMPLT_HDR_ERR_PHASE_OFF 2 |
340 | #define CMPLT_HDR_ERR_PHASE_MSK (0xff << CMPLT_HDR_ERR_PHASE_OFF) | |
45c901b8 JG |
341 | #define CMPLT_HDR_RSPNS_XFRD_OFF 10 |
342 | #define CMPLT_HDR_RSPNS_XFRD_MSK (0x1 << CMPLT_HDR_RSPNS_XFRD_OFF) | |
343 | #define CMPLT_HDR_ERX_OFF 12 | |
344 | #define CMPLT_HDR_ERX_MSK (0x1 << CMPLT_HDR_ERX_OFF) | |
df032d0e JG |
345 | #define CMPLT_HDR_ABORT_STAT_OFF 13 |
346 | #define CMPLT_HDR_ABORT_STAT_MSK (0x7 << CMPLT_HDR_ABORT_STAT_OFF) | |
347 | /* abort_stat */ | |
348 | #define STAT_IO_NOT_VALID 0x1 | |
349 | #define STAT_IO_NO_DEVICE 0x2 | |
350 | #define STAT_IO_COMPLETE 0x3 | |
351 | #define STAT_IO_ABORTED 0x4 | |
45c901b8 JG |
352 | /* dw1 */ |
353 | #define CMPLT_HDR_IPTT_OFF 0 | |
354 | #define CMPLT_HDR_IPTT_MSK (0xffff << CMPLT_HDR_IPTT_OFF) | |
355 | #define CMPLT_HDR_DEV_ID_OFF 16 | |
356 | #define CMPLT_HDR_DEV_ID_MSK (0xffff << CMPLT_HDR_DEV_ID_OFF) | |
357 | ||
358 | /* ITCT header */ | |
359 | /* qw0 */ | |
360 | #define ITCT_HDR_DEV_TYPE_OFF 0 | |
361 | #define ITCT_HDR_DEV_TYPE_MSK (0x3 << ITCT_HDR_DEV_TYPE_OFF) | |
362 | #define ITCT_HDR_VALID_OFF 2 | |
363 | #define ITCT_HDR_VALID_MSK (0x1 << ITCT_HDR_VALID_OFF) | |
364 | #define ITCT_HDR_MCR_OFF 5 | |
365 | #define ITCT_HDR_MCR_MSK (0xf << ITCT_HDR_MCR_OFF) | |
366 | #define ITCT_HDR_VLN_OFF 9 | |
367 | #define ITCT_HDR_VLN_MSK (0xf << ITCT_HDR_VLN_OFF) | |
c399acfb XC |
368 | #define ITCT_HDR_SMP_TIMEOUT_OFF 16 |
369 | #define ITCT_HDR_SMP_TIMEOUT_8US 1 | |
370 | #define ITCT_HDR_SMP_TIMEOUT (ITCT_HDR_SMP_TIMEOUT_8US * \ | |
371 | 250) /* 2ms */ | |
372 | #define ITCT_HDR_AWT_CONTINUE_OFF 25 | |
45c901b8 JG |
373 | #define ITCT_HDR_PORT_ID_OFF 28 |
374 | #define ITCT_HDR_PORT_ID_MSK (0xf << ITCT_HDR_PORT_ID_OFF) | |
375 | /* qw2 */ | |
376 | #define ITCT_HDR_INLT_OFF 0 | |
377 | #define ITCT_HDR_INLT_MSK (0xffffULL << ITCT_HDR_INLT_OFF) | |
378 | #define ITCT_HDR_BITLT_OFF 16 | |
379 | #define ITCT_HDR_BITLT_MSK (0xffffULL << ITCT_HDR_BITLT_OFF) | |
380 | #define ITCT_HDR_MCTLT_OFF 32 | |
381 | #define ITCT_HDR_MCTLT_MSK (0xffffULL << ITCT_HDR_MCTLT_OFF) | |
382 | #define ITCT_HDR_RTOLT_OFF 48 | |
383 | #define ITCT_HDR_RTOLT_MSK (0xffffULL << ITCT_HDR_RTOLT_OFF) | |
384 | ||
d3b688d3 XC |
385 | #define HISI_SAS_FATAL_INT_NR 2 |
386 | ||
94eac9e1 JG |
387 | struct hisi_sas_complete_v2_hdr { |
388 | __le32 dw0; | |
389 | __le32 dw1; | |
390 | __le32 act; | |
391 | __le32 dw3; | |
392 | }; | |
393 | ||
e8fed0e9 JG |
394 | struct hisi_sas_err_record_v2 { |
395 | /* dw0 */ | |
396 | __le32 trans_tx_fail_type; | |
397 | ||
398 | /* dw1 */ | |
399 | __le32 trans_rx_fail_type; | |
400 | ||
401 | /* dw2 */ | |
402 | __le16 dma_tx_err_type; | |
403 | __le16 sipc_rx_err_type; | |
404 | ||
405 | /* dw3 */ | |
406 | __le32 dma_rx_err_type; | |
407 | }; | |
408 | ||
ad16fe31 XT |
409 | struct signal_attenuation_s { |
410 | u32 de_emphasis; | |
411 | u32 preshoot; | |
412 | u32 boost; | |
413 | }; | |
414 | ||
415 | struct sig_atten_lu_s { | |
416 | const struct signal_attenuation_s *att; | |
417 | u32 sas_phy_ctrl; | |
418 | }; | |
419 | ||
2b383351 JG |
420 | static const struct hisi_sas_hw_error one_bit_ecc_errors[] = { |
421 | { | |
422 | .irq_msk = BIT(SAS_ECC_INTR_DQE_ECC_1B_OFF), | |
423 | .msk = HGC_DQE_ECC_1B_ADDR_MSK, | |
424 | .shift = HGC_DQE_ECC_1B_ADDR_OFF, | |
729428ca | 425 | .msg = "hgc_dqe_acc1b_intr found: Ram address is 0x%08X\n", |
2b383351 JG |
426 | .reg = HGC_DQE_ECC_ADDR, |
427 | }, | |
428 | { | |
429 | .irq_msk = BIT(SAS_ECC_INTR_IOST_ECC_1B_OFF), | |
430 | .msk = HGC_IOST_ECC_1B_ADDR_MSK, | |
431 | .shift = HGC_IOST_ECC_1B_ADDR_OFF, | |
729428ca | 432 | .msg = "hgc_iost_acc1b_intr found: Ram address is 0x%08X\n", |
2b383351 JG |
433 | .reg = HGC_IOST_ECC_ADDR, |
434 | }, | |
435 | { | |
436 | .irq_msk = BIT(SAS_ECC_INTR_ITCT_ECC_1B_OFF), | |
437 | .msk = HGC_ITCT_ECC_1B_ADDR_MSK, | |
438 | .shift = HGC_ITCT_ECC_1B_ADDR_OFF, | |
729428ca | 439 | .msg = "hgc_itct_acc1b_intr found: am address is 0x%08X\n", |
2b383351 JG |
440 | .reg = HGC_ITCT_ECC_ADDR, |
441 | }, | |
442 | { | |
443 | .irq_msk = BIT(SAS_ECC_INTR_IOSTLIST_ECC_1B_OFF), | |
444 | .msk = HGC_LM_DFX_STATUS2_IOSTLIST_MSK, | |
445 | .shift = HGC_LM_DFX_STATUS2_IOSTLIST_OFF, | |
729428ca | 446 | .msg = "hgc_iostl_acc1b_intr found: memory address is 0x%08X\n", |
2b383351 JG |
447 | .reg = HGC_LM_DFX_STATUS2, |
448 | }, | |
449 | { | |
450 | .irq_msk = BIT(SAS_ECC_INTR_ITCTLIST_ECC_1B_OFF), | |
451 | .msk = HGC_LM_DFX_STATUS2_ITCTLIST_MSK, | |
452 | .shift = HGC_LM_DFX_STATUS2_ITCTLIST_OFF, | |
729428ca | 453 | .msg = "hgc_itctl_acc1b_intr found: memory address is 0x%08X\n", |
2b383351 JG |
454 | .reg = HGC_LM_DFX_STATUS2, |
455 | }, | |
456 | { | |
457 | .irq_msk = BIT(SAS_ECC_INTR_CQE_ECC_1B_OFF), | |
458 | .msk = HGC_CQE_ECC_1B_ADDR_MSK, | |
459 | .shift = HGC_CQE_ECC_1B_ADDR_OFF, | |
729428ca | 460 | .msg = "hgc_cqe_acc1b_intr found: Ram address is 0x%08X\n", |
2b383351 JG |
461 | .reg = HGC_CQE_ECC_ADDR, |
462 | }, | |
463 | { | |
464 | .irq_msk = BIT(SAS_ECC_INTR_NCQ_MEM0_ECC_1B_OFF), | |
465 | .msk = HGC_RXM_DFX_STATUS14_MEM0_MSK, | |
466 | .shift = HGC_RXM_DFX_STATUS14_MEM0_OFF, | |
729428ca | 467 | .msg = "rxm_mem0_acc1b_intr found: memory address is 0x%08X\n", |
2b383351 JG |
468 | .reg = HGC_RXM_DFX_STATUS14, |
469 | }, | |
470 | { | |
471 | .irq_msk = BIT(SAS_ECC_INTR_NCQ_MEM1_ECC_1B_OFF), | |
472 | .msk = HGC_RXM_DFX_STATUS14_MEM1_MSK, | |
473 | .shift = HGC_RXM_DFX_STATUS14_MEM1_OFF, | |
729428ca | 474 | .msg = "rxm_mem1_acc1b_intr found: memory address is 0x%08X\n", |
2b383351 JG |
475 | .reg = HGC_RXM_DFX_STATUS14, |
476 | }, | |
477 | { | |
478 | .irq_msk = BIT(SAS_ECC_INTR_NCQ_MEM2_ECC_1B_OFF), | |
479 | .msk = HGC_RXM_DFX_STATUS14_MEM2_MSK, | |
480 | .shift = HGC_RXM_DFX_STATUS14_MEM2_OFF, | |
729428ca | 481 | .msg = "rxm_mem2_acc1b_intr found: memory address is 0x%08X\n", |
2b383351 JG |
482 | .reg = HGC_RXM_DFX_STATUS14, |
483 | }, | |
484 | { | |
485 | .irq_msk = BIT(SAS_ECC_INTR_NCQ_MEM3_ECC_1B_OFF), | |
486 | .msk = HGC_RXM_DFX_STATUS15_MEM3_MSK, | |
487 | .shift = HGC_RXM_DFX_STATUS15_MEM3_OFF, | |
729428ca | 488 | .msg = "rxm_mem3_acc1b_intr found: memory address is 0x%08X\n", |
2b383351 JG |
489 | .reg = HGC_RXM_DFX_STATUS15, |
490 | }, | |
491 | }; | |
492 | ||
493 | static const struct hisi_sas_hw_error multi_bit_ecc_errors[] = { | |
494 | { | |
495 | .irq_msk = BIT(SAS_ECC_INTR_DQE_ECC_MB_OFF), | |
496 | .msk = HGC_DQE_ECC_MB_ADDR_MSK, | |
497 | .shift = HGC_DQE_ECC_MB_ADDR_OFF, | |
729428ca | 498 | .msg = "hgc_dqe_accbad_intr (0x%x) found: Ram address is 0x%08X\n", |
2b383351 JG |
499 | .reg = HGC_DQE_ECC_ADDR, |
500 | }, | |
501 | { | |
502 | .irq_msk = BIT(SAS_ECC_INTR_IOST_ECC_MB_OFF), | |
503 | .msk = HGC_IOST_ECC_MB_ADDR_MSK, | |
504 | .shift = HGC_IOST_ECC_MB_ADDR_OFF, | |
729428ca | 505 | .msg = "hgc_iost_accbad_intr (0x%x) found: Ram address is 0x%08X\n", |
2b383351 JG |
506 | .reg = HGC_IOST_ECC_ADDR, |
507 | }, | |
508 | { | |
509 | .irq_msk = BIT(SAS_ECC_INTR_ITCT_ECC_MB_OFF), | |
510 | .msk = HGC_ITCT_ECC_MB_ADDR_MSK, | |
511 | .shift = HGC_ITCT_ECC_MB_ADDR_OFF, | |
729428ca | 512 | .msg = "hgc_itct_accbad_intr (0x%x) found: Ram address is 0x%08X\n", |
2b383351 JG |
513 | .reg = HGC_ITCT_ECC_ADDR, |
514 | }, | |
515 | { | |
516 | .irq_msk = BIT(SAS_ECC_INTR_IOSTLIST_ECC_MB_OFF), | |
517 | .msk = HGC_LM_DFX_STATUS2_IOSTLIST_MSK, | |
518 | .shift = HGC_LM_DFX_STATUS2_IOSTLIST_OFF, | |
729428ca | 519 | .msg = "hgc_iostl_accbad_intr (0x%x) found: memory address is 0x%08X\n", |
2b383351 JG |
520 | .reg = HGC_LM_DFX_STATUS2, |
521 | }, | |
522 | { | |
523 | .irq_msk = BIT(SAS_ECC_INTR_ITCTLIST_ECC_MB_OFF), | |
524 | .msk = HGC_LM_DFX_STATUS2_ITCTLIST_MSK, | |
525 | .shift = HGC_LM_DFX_STATUS2_ITCTLIST_OFF, | |
729428ca | 526 | .msg = "hgc_itctl_accbad_intr (0x%x) found: memory address is 0x%08X\n", |
2b383351 JG |
527 | .reg = HGC_LM_DFX_STATUS2, |
528 | }, | |
529 | { | |
530 | .irq_msk = BIT(SAS_ECC_INTR_CQE_ECC_MB_OFF), | |
531 | .msk = HGC_CQE_ECC_MB_ADDR_MSK, | |
532 | .shift = HGC_CQE_ECC_MB_ADDR_OFF, | |
729428ca | 533 | .msg = "hgc_cqe_accbad_intr (0x%x) found: Ram address is 0x%08X\n", |
2b383351 JG |
534 | .reg = HGC_CQE_ECC_ADDR, |
535 | }, | |
536 | { | |
537 | .irq_msk = BIT(SAS_ECC_INTR_NCQ_MEM0_ECC_MB_OFF), | |
538 | .msk = HGC_RXM_DFX_STATUS14_MEM0_MSK, | |
539 | .shift = HGC_RXM_DFX_STATUS14_MEM0_OFF, | |
729428ca | 540 | .msg = "rxm_mem0_accbad_intr (0x%x) found: memory address is 0x%08X\n", |
2b383351 JG |
541 | .reg = HGC_RXM_DFX_STATUS14, |
542 | }, | |
543 | { | |
544 | .irq_msk = BIT(SAS_ECC_INTR_NCQ_MEM1_ECC_MB_OFF), | |
545 | .msk = HGC_RXM_DFX_STATUS14_MEM1_MSK, | |
546 | .shift = HGC_RXM_DFX_STATUS14_MEM1_OFF, | |
729428ca | 547 | .msg = "rxm_mem1_accbad_intr (0x%x) found: memory address is 0x%08X\n", |
2b383351 JG |
548 | .reg = HGC_RXM_DFX_STATUS14, |
549 | }, | |
550 | { | |
551 | .irq_msk = BIT(SAS_ECC_INTR_NCQ_MEM2_ECC_MB_OFF), | |
552 | .msk = HGC_RXM_DFX_STATUS14_MEM2_MSK, | |
553 | .shift = HGC_RXM_DFX_STATUS14_MEM2_OFF, | |
729428ca | 554 | .msg = "rxm_mem2_accbad_intr (0x%x) found: memory address is 0x%08X\n", |
2b383351 JG |
555 | .reg = HGC_RXM_DFX_STATUS14, |
556 | }, | |
557 | { | |
558 | .irq_msk = BIT(SAS_ECC_INTR_NCQ_MEM3_ECC_MB_OFF), | |
559 | .msk = HGC_RXM_DFX_STATUS15_MEM3_MSK, | |
560 | .shift = HGC_RXM_DFX_STATUS15_MEM3_OFF, | |
729428ca | 561 | .msg = "rxm_mem3_accbad_intr (0x%x) found: memory address is 0x%08X\n", |
2b383351 JG |
562 | .reg = HGC_RXM_DFX_STATUS15, |
563 | }, | |
564 | }; | |
565 | ||
7911e66f JG |
566 | enum { |
567 | HISI_SAS_PHY_PHY_UPDOWN, | |
d3bf3d84 | 568 | HISI_SAS_PHY_CHNL_INT, |
7911e66f JG |
569 | HISI_SAS_PHY_INT_NR |
570 | }; | |
571 | ||
e8fed0e9 JG |
572 | enum { |
573 | TRANS_TX_FAIL_BASE = 0x0, /* dw0 */ | |
634a9585 XC |
574 | TRANS_RX_FAIL_BASE = 0x20, /* dw1 */ |
575 | DMA_TX_ERR_BASE = 0x40, /* dw2 bit 15-0 */ | |
576 | SIPC_RX_ERR_BASE = 0x50, /* dw2 bit 31-16*/ | |
577 | DMA_RX_ERR_BASE = 0x60, /* dw3 */ | |
e8fed0e9 JG |
578 | |
579 | /* trans tx*/ | |
580 | TRANS_TX_OPEN_FAIL_WITH_IT_NEXUS_LOSS = TRANS_TX_FAIL_BASE, /* 0x0 */ | |
581 | TRANS_TX_ERR_PHY_NOT_ENABLE, /* 0x1 */ | |
582 | TRANS_TX_OPEN_CNX_ERR_WRONG_DESTINATION, /* 0x2 */ | |
583 | TRANS_TX_OPEN_CNX_ERR_ZONE_VIOLATION, /* 0x3 */ | |
584 | TRANS_TX_OPEN_CNX_ERR_BY_OTHER, /* 0x4 */ | |
585 | RESERVED0, /* 0x5 */ | |
586 | TRANS_TX_OPEN_CNX_ERR_AIP_TIMEOUT, /* 0x6 */ | |
587 | TRANS_TX_OPEN_CNX_ERR_STP_RESOURCES_BUSY, /* 0x7 */ | |
588 | TRANS_TX_OPEN_CNX_ERR_PROTOCOL_NOT_SUPPORTED, /* 0x8 */ | |
589 | TRANS_TX_OPEN_CNX_ERR_CONNECTION_RATE_NOT_SUPPORTED, /* 0x9 */ | |
590 | TRANS_TX_OPEN_CNX_ERR_BAD_DESTINATION, /* 0xa */ | |
591 | TRANS_TX_OPEN_CNX_ERR_BREAK_RCVD, /* 0xb */ | |
592 | TRANS_TX_OPEN_CNX_ERR_LOW_PHY_POWER, /* 0xc */ | |
593 | TRANS_TX_OPEN_CNX_ERR_PATHWAY_BLOCKED, /* 0xd */ | |
594 | TRANS_TX_OPEN_CNX_ERR_OPEN_TIMEOUT, /* 0xe */ | |
595 | TRANS_TX_OPEN_CNX_ERR_NO_DESTINATION, /* 0xf */ | |
596 | TRANS_TX_OPEN_RETRY_ERR_THRESHOLD_REACHED, /* 0x10 */ | |
597 | TRANS_TX_ERR_FRAME_TXED, /* 0x11 */ | |
598 | TRANS_TX_ERR_WITH_BREAK_TIMEOUT, /* 0x12 */ | |
599 | TRANS_TX_ERR_WITH_BREAK_REQUEST, /* 0x13 */ | |
600 | TRANS_TX_ERR_WITH_BREAK_RECEVIED, /* 0x14 */ | |
601 | TRANS_TX_ERR_WITH_CLOSE_TIMEOUT, /* 0x15 */ | |
602 | TRANS_TX_ERR_WITH_CLOSE_NORMAL, /* 0x16 for ssp*/ | |
603 | TRANS_TX_ERR_WITH_CLOSE_PHYDISALE, /* 0x17 */ | |
604 | TRANS_TX_ERR_WITH_CLOSE_DWS_TIMEOUT, /* 0x18 */ | |
605 | TRANS_TX_ERR_WITH_CLOSE_COMINIT, /* 0x19 */ | |
606 | TRANS_TX_ERR_WITH_NAK_RECEVIED, /* 0x1a for ssp*/ | |
607 | TRANS_TX_ERR_WITH_ACK_NAK_TIMEOUT, /* 0x1b for ssp*/ | |
608 | /*IO_TX_ERR_WITH_R_ERR_RECEVIED, [> 0x1b for sata/stp<] */ | |
609 | TRANS_TX_ERR_WITH_CREDIT_TIMEOUT, /* 0x1c for ssp */ | |
610 | /*IO_RX_ERR_WITH_SATA_DEVICE_LOST 0x1c for sata/stp */ | |
611 | TRANS_TX_ERR_WITH_IPTT_CONFLICT, /* 0x1d for ssp/smp */ | |
612 | TRANS_TX_ERR_WITH_OPEN_BY_DES_OR_OTHERS, /* 0x1e */ | |
613 | /*IO_TX_ERR_WITH_SYNC_RXD, [> 0x1e <] for sata/stp */ | |
614 | TRANS_TX_ERR_WITH_WAIT_RECV_TIMEOUT, /* 0x1f for sata/stp */ | |
615 | ||
616 | /* trans rx */ | |
634a9585 XC |
617 | TRANS_RX_ERR_WITH_RXFRAME_CRC_ERR = TRANS_RX_FAIL_BASE, /* 0x20 */ |
618 | TRANS_RX_ERR_WITH_RXFIS_8B10B_DISP_ERR, /* 0x21 for sata/stp */ | |
619 | TRANS_RX_ERR_WITH_RXFRAME_HAVE_ERRPRM, /* 0x22 for ssp/smp */ | |
620 | /*IO_ERR_WITH_RXFIS_8B10B_CODE_ERR, [> 0x22 <] for sata/stp */ | |
621 | TRANS_RX_ERR_WITH_RXFIS_DECODE_ERROR, /* 0x23 for sata/stp */ | |
622 | TRANS_RX_ERR_WITH_RXFIS_CRC_ERR, /* 0x24 for sata/stp */ | |
623 | TRANS_RX_ERR_WITH_RXFRAME_LENGTH_OVERRUN, /* 0x25 for smp */ | |
624 | /*IO_ERR_WITH_RXFIS_TX SYNCP, [> 0x25 <] for sata/stp */ | |
625 | TRANS_RX_ERR_WITH_RXFIS_RX_SYNCP, /* 0x26 for sata/stp*/ | |
626 | TRANS_RX_ERR_WITH_LINK_BUF_OVERRUN, /* 0x27 */ | |
627 | TRANS_RX_ERR_WITH_BREAK_TIMEOUT, /* 0x28 */ | |
628 | TRANS_RX_ERR_WITH_BREAK_REQUEST, /* 0x29 */ | |
629 | TRANS_RX_ERR_WITH_BREAK_RECEVIED, /* 0x2a */ | |
630 | RESERVED1, /* 0x2b */ | |
631 | TRANS_RX_ERR_WITH_CLOSE_NORMAL, /* 0x2c */ | |
632 | TRANS_RX_ERR_WITH_CLOSE_PHY_DISABLE, /* 0x2d */ | |
633 | TRANS_RX_ERR_WITH_CLOSE_DWS_TIMEOUT, /* 0x2e */ | |
634 | TRANS_RX_ERR_WITH_CLOSE_COMINIT, /* 0x2f */ | |
635 | TRANS_RX_ERR_WITH_DATA_LEN0, /* 0x30 for ssp/smp */ | |
636 | TRANS_RX_ERR_WITH_BAD_HASH, /* 0x31 for ssp */ | |
637 | /*IO_RX_ERR_WITH_FIS_TOO_SHORT, [> 0x31 <] for sata/stp */ | |
638 | TRANS_RX_XRDY_WLEN_ZERO_ERR, /* 0x32 for ssp*/ | |
639 | /*IO_RX_ERR_WITH_FIS_TOO_LONG, [> 0x32 <] for sata/stp */ | |
640 | TRANS_RX_SSP_FRM_LEN_ERR, /* 0x33 for ssp */ | |
641 | /*IO_RX_ERR_WITH_SATA_DEVICE_LOST, [> 0x33 <] for sata */ | |
642 | RESERVED2, /* 0x34 */ | |
643 | RESERVED3, /* 0x35 */ | |
644 | RESERVED4, /* 0x36 */ | |
645 | RESERVED5, /* 0x37 */ | |
646 | TRANS_RX_ERR_WITH_BAD_FRM_TYPE, /* 0x38 */ | |
647 | TRANS_RX_SMP_FRM_LEN_ERR, /* 0x39 */ | |
648 | TRANS_RX_SMP_RESP_TIMEOUT_ERR, /* 0x3a */ | |
649 | RESERVED6, /* 0x3b */ | |
650 | RESERVED7, /* 0x3c */ | |
651 | RESERVED8, /* 0x3d */ | |
652 | RESERVED9, /* 0x3e */ | |
653 | TRANS_RX_R_ERR, /* 0x3f */ | |
e8fed0e9 JG |
654 | |
655 | /* dma tx */ | |
634a9585 XC |
656 | DMA_TX_DIF_CRC_ERR = DMA_TX_ERR_BASE, /* 0x40 */ |
657 | DMA_TX_DIF_APP_ERR, /* 0x41 */ | |
658 | DMA_TX_DIF_RPP_ERR, /* 0x42 */ | |
659 | DMA_TX_DATA_SGL_OVERFLOW, /* 0x43 */ | |
660 | DMA_TX_DIF_SGL_OVERFLOW, /* 0x44 */ | |
661 | DMA_TX_UNEXP_XFER_ERR, /* 0x45 */ | |
662 | DMA_TX_UNEXP_RETRANS_ERR, /* 0x46 */ | |
663 | DMA_TX_XFER_LEN_OVERFLOW, /* 0x47 */ | |
664 | DMA_TX_XFER_OFFSET_ERR, /* 0x48 */ | |
665 | DMA_TX_RAM_ECC_ERR, /* 0x49 */ | |
666 | DMA_TX_DIF_LEN_ALIGN_ERR, /* 0x4a */ | |
667 | DMA_TX_MAX_ERR_CODE, | |
e8fed0e9 JG |
668 | |
669 | /* sipc rx */ | |
634a9585 XC |
670 | SIPC_RX_FIS_STATUS_ERR_BIT_VLD = SIPC_RX_ERR_BASE, /* 0x50 */ |
671 | SIPC_RX_PIO_WRSETUP_STATUS_DRQ_ERR, /* 0x51 */ | |
672 | SIPC_RX_FIS_STATUS_BSY_BIT_ERR, /* 0x52 */ | |
673 | SIPC_RX_WRSETUP_LEN_ODD_ERR, /* 0x53 */ | |
674 | SIPC_RX_WRSETUP_LEN_ZERO_ERR, /* 0x54 */ | |
675 | SIPC_RX_WRDATA_LEN_NOT_MATCH_ERR, /* 0x55 */ | |
676 | SIPC_RX_NCQ_WRSETUP_OFFSET_ERR, /* 0x56 */ | |
677 | SIPC_RX_NCQ_WRSETUP_AUTO_ACTIVE_ERR, /* 0x57 */ | |
678 | SIPC_RX_SATA_UNEXP_FIS_ERR, /* 0x58 */ | |
679 | SIPC_RX_WRSETUP_ESTATUS_ERR, /* 0x59 */ | |
680 | SIPC_RX_DATA_UNDERFLOW_ERR, /* 0x5a */ | |
681 | SIPC_RX_MAX_ERR_CODE, | |
e8fed0e9 JG |
682 | |
683 | /* dma rx */ | |
634a9585 XC |
684 | DMA_RX_DIF_CRC_ERR = DMA_RX_ERR_BASE, /* 0x60 */ |
685 | DMA_RX_DIF_APP_ERR, /* 0x61 */ | |
686 | DMA_RX_DIF_RPP_ERR, /* 0x62 */ | |
687 | DMA_RX_DATA_SGL_OVERFLOW, /* 0x63 */ | |
688 | DMA_RX_DIF_SGL_OVERFLOW, /* 0x64 */ | |
689 | DMA_RX_DATA_LEN_OVERFLOW, /* 0x65 */ | |
690 | DMA_RX_DATA_LEN_UNDERFLOW, /* 0x66 */ | |
691 | DMA_RX_DATA_OFFSET_ERR, /* 0x67 */ | |
692 | RESERVED10, /* 0x68 */ | |
693 | DMA_RX_SATA_FRAME_TYPE_ERR, /* 0x69 */ | |
694 | DMA_RX_RESP_BUF_OVERFLOW, /* 0x6a */ | |
695 | DMA_RX_UNEXP_RETRANS_RESP_ERR, /* 0x6b */ | |
696 | DMA_RX_UNEXP_NORM_RESP_ERR, /* 0x6c */ | |
697 | DMA_RX_UNEXP_RDFRAME_ERR, /* 0x6d */ | |
698 | DMA_RX_PIO_DATA_LEN_ERR, /* 0x6e */ | |
699 | DMA_RX_RDSETUP_STATUS_ERR, /* 0x6f */ | |
700 | DMA_RX_RDSETUP_STATUS_DRQ_ERR, /* 0x70 */ | |
701 | DMA_RX_RDSETUP_STATUS_BSY_ERR, /* 0x71 */ | |
702 | DMA_RX_RDSETUP_LEN_ODD_ERR, /* 0x72 */ | |
703 | DMA_RX_RDSETUP_LEN_ZERO_ERR, /* 0x73 */ | |
704 | DMA_RX_RDSETUP_LEN_OVER_ERR, /* 0x74 */ | |
705 | DMA_RX_RDSETUP_OFFSET_ERR, /* 0x75 */ | |
706 | DMA_RX_RDSETUP_ACTIVE_ERR, /* 0x76 */ | |
707 | DMA_RX_RDSETUP_ESTATUS_ERR, /* 0x77 */ | |
708 | DMA_RX_RAM_ECC_ERR, /* 0x78 */ | |
709 | DMA_RX_UNKNOWN_FRM_ERR, /* 0x79 */ | |
710 | DMA_RX_MAX_ERR_CODE, | |
e8fed0e9 JG |
711 | }; |
712 | ||
94eac9e1 | 713 | #define HISI_SAS_COMMAND_ENTRIES_V2_HW 4096 |
32ccba52 | 714 | #define HISI_MAX_SATA_SUPPORT_V2_HW (HISI_SAS_COMMAND_ENTRIES_V2_HW/64 - 1) |
94eac9e1 | 715 | |
8c36e31d JG |
716 | #define DIR_NO_DATA 0 |
717 | #define DIR_TO_INI 1 | |
718 | #define DIR_TO_DEVICE 2 | |
719 | #define DIR_RESERVED 3 | |
720 | ||
634a9585 XC |
721 | #define ERR_ON_TX_PHASE(err_phase) (err_phase == 0x2 || \ |
722 | err_phase == 0x4 || err_phase == 0x8 ||\ | |
723 | err_phase == 0x6 || err_phase == 0xa) | |
724 | #define ERR_ON_RX_PHASE(err_phase) (err_phase == 0x10 || \ | |
725 | err_phase == 0x20 || err_phase == 0x40) | |
726 | ||
77570eed | 727 | static void link_timeout_disable_link(struct timer_list *t); |
f2f89c32 | 728 | |
94eac9e1 JG |
729 | static u32 hisi_sas_read32(struct hisi_hba *hisi_hba, u32 off) |
730 | { | |
731 | void __iomem *regs = hisi_hba->regs + off; | |
732 | ||
733 | return readl(regs); | |
734 | } | |
735 | ||
8c36e31d JG |
736 | static u32 hisi_sas_read32_relaxed(struct hisi_hba *hisi_hba, u32 off) |
737 | { | |
738 | void __iomem *regs = hisi_hba->regs + off; | |
739 | ||
740 | return readl_relaxed(regs); | |
741 | } | |
742 | ||
94eac9e1 JG |
743 | static void hisi_sas_write32(struct hisi_hba *hisi_hba, u32 off, u32 val) |
744 | { | |
745 | void __iomem *regs = hisi_hba->regs + off; | |
746 | ||
747 | writel(val, regs); | |
748 | } | |
749 | ||
750 | static void hisi_sas_phy_write32(struct hisi_hba *hisi_hba, int phy_no, | |
751 | u32 off, u32 val) | |
752 | { | |
753 | void __iomem *regs = hisi_hba->regs + (0x400 * phy_no) + off; | |
754 | ||
755 | writel(val, regs); | |
756 | } | |
757 | ||
758 | static u32 hisi_sas_phy_read32(struct hisi_hba *hisi_hba, | |
759 | int phy_no, u32 off) | |
760 | { | |
761 | void __iomem *regs = hisi_hba->regs + (0x400 * phy_no) + off; | |
762 | ||
763 | return readl(regs); | |
764 | } | |
765 | ||
330fa7f3 JG |
766 | /* This function needs to be protected from pre-emption. */ |
767 | static int | |
768 | slot_index_alloc_quirk_v2_hw(struct hisi_hba *hisi_hba, int *slot_idx, | |
32ccba52 | 769 | struct domain_device *device) |
330fa7f3 | 770 | { |
330fa7f3 | 771 | int sata_dev = dev_is_sata(device); |
32ccba52 XT |
772 | void *bitmap = hisi_hba->slot_index_tags; |
773 | struct hisi_sas_device *sas_dev = device->lldd_dev; | |
774 | int sata_idx = sas_dev->sata_idx; | |
775 | int start, end; | |
776 | ||
777 | if (!sata_dev) { | |
778 | /* | |
779 | * STP link SoC bug workaround: index starts from 1. | |
780 | * additionally, we can only allocate odd IPTT(1~4095) | |
781 | * for SAS/SMP device. | |
782 | */ | |
783 | start = 1; | |
784 | end = hisi_hba->slot_index_count; | |
785 | } else { | |
786 | if (sata_idx >= HISI_MAX_SATA_SUPPORT_V2_HW) | |
787 | return -EINVAL; | |
788 | ||
789 | /* | |
790 | * For SATA device: allocate even IPTT in this interval | |
791 | * [64*(sata_idx+1), 64*(sata_idx+2)], then each SATA device | |
792 | * own 32 IPTTs. IPTT 0 shall not be used duing to STP link | |
793 | * SoC bug workaround. So we ignore the first 32 even IPTTs. | |
794 | */ | |
795 | start = 64 * (sata_idx + 1); | |
796 | end = 64 * (sata_idx + 2); | |
797 | } | |
330fa7f3 JG |
798 | |
799 | while (1) { | |
32ccba52 XT |
800 | start = find_next_zero_bit(bitmap, |
801 | hisi_hba->slot_index_count, start); | |
802 | if (start >= end) | |
330fa7f3 JG |
803 | return -SAS_QUEUE_FULL; |
804 | /* | |
32ccba52 XT |
805 | * SAS IPTT bit0 should be 1, and SATA IPTT bit0 should be 0. |
806 | */ | |
807 | if (sata_dev ^ (start & 1)) | |
330fa7f3 | 808 | break; |
32ccba52 | 809 | start++; |
330fa7f3 JG |
810 | } |
811 | ||
32ccba52 XT |
812 | set_bit(start, bitmap); |
813 | *slot_idx = start; | |
330fa7f3 JG |
814 | return 0; |
815 | } | |
816 | ||
32ccba52 XT |
817 | static bool sata_index_alloc_v2_hw(struct hisi_hba *hisi_hba, int *idx) |
818 | { | |
819 | unsigned int index; | |
11b75249 | 820 | struct device *dev = hisi_hba->dev; |
32ccba52 XT |
821 | void *bitmap = hisi_hba->sata_dev_bitmap; |
822 | ||
823 | index = find_first_zero_bit(bitmap, HISI_MAX_SATA_SUPPORT_V2_HW); | |
824 | if (index >= HISI_MAX_SATA_SUPPORT_V2_HW) { | |
825 | dev_warn(dev, "alloc sata index failed, index=%d\n", index); | |
826 | return false; | |
827 | } | |
828 | ||
829 | set_bit(index, bitmap); | |
830 | *idx = index; | |
831 | return true; | |
832 | } | |
833 | ||
834 | ||
b2bdaf2b JG |
835 | static struct |
836 | hisi_sas_device *alloc_dev_quirk_v2_hw(struct domain_device *device) | |
837 | { | |
838 | struct hisi_hba *hisi_hba = device->port->ha->lldd_ha; | |
839 | struct hisi_sas_device *sas_dev = NULL; | |
840 | int i, sata_dev = dev_is_sata(device); | |
32ccba52 | 841 | int sata_idx = -1; |
302e0901 | 842 | unsigned long flags; |
b2bdaf2b | 843 | |
302e0901 | 844 | spin_lock_irqsave(&hisi_hba->lock, flags); |
32ccba52 XT |
845 | |
846 | if (sata_dev) | |
847 | if (!sata_index_alloc_v2_hw(hisi_hba, &sata_idx)) | |
848 | goto out; | |
849 | ||
b2bdaf2b JG |
850 | for (i = 0; i < HISI_SAS_MAX_DEVICES; i++) { |
851 | /* | |
852 | * SATA device id bit0 should be 0 | |
853 | */ | |
854 | if (sata_dev && (i & 1)) | |
855 | continue; | |
856 | if (hisi_hba->devices[i].dev_type == SAS_PHY_UNUSED) { | |
b1a49412 XC |
857 | int queue = i % hisi_hba->queue_count; |
858 | struct hisi_sas_dq *dq = &hisi_hba->dq[queue]; | |
859 | ||
b2bdaf2b JG |
860 | hisi_hba->devices[i].device_id = i; |
861 | sas_dev = &hisi_hba->devices[i]; | |
862 | sas_dev->dev_status = HISI_SAS_DEV_NORMAL; | |
863 | sas_dev->dev_type = device->dev_type; | |
864 | sas_dev->hisi_hba = hisi_hba; | |
865 | sas_dev->sas_device = device; | |
32ccba52 | 866 | sas_dev->sata_idx = sata_idx; |
b1a49412 | 867 | sas_dev->dq = dq; |
405314df | 868 | INIT_LIST_HEAD(&hisi_hba->devices[i].list); |
b2bdaf2b JG |
869 | break; |
870 | } | |
871 | } | |
32ccba52 XT |
872 | |
873 | out: | |
302e0901 | 874 | spin_unlock_irqrestore(&hisi_hba->lock, flags); |
b2bdaf2b JG |
875 | |
876 | return sas_dev; | |
877 | } | |
878 | ||
29a20428 JG |
879 | static void config_phy_opt_mode_v2_hw(struct hisi_hba *hisi_hba, int phy_no) |
880 | { | |
881 | u32 cfg = hisi_sas_phy_read32(hisi_hba, phy_no, PHY_CFG); | |
882 | ||
883 | cfg &= ~PHY_CFG_DC_OPT_MSK; | |
884 | cfg |= 1 << PHY_CFG_DC_OPT_OFF; | |
885 | hisi_sas_phy_write32(hisi_hba, phy_no, PHY_CFG, cfg); | |
886 | } | |
887 | ||
806bb768 JG |
888 | static void config_id_frame_v2_hw(struct hisi_hba *hisi_hba, int phy_no) |
889 | { | |
890 | struct sas_identify_frame identify_frame; | |
891 | u32 *identify_buffer; | |
892 | ||
893 | memset(&identify_frame, 0, sizeof(identify_frame)); | |
894 | identify_frame.dev_type = SAS_END_DEVICE; | |
895 | identify_frame.frame_type = 0; | |
896 | identify_frame._un1 = 1; | |
897 | identify_frame.initiator_bits = SAS_PROTOCOL_ALL; | |
898 | identify_frame.target_bits = SAS_PROTOCOL_NONE; | |
899 | memcpy(&identify_frame._un4_11[0], hisi_hba->sas_addr, SAS_ADDR_SIZE); | |
900 | memcpy(&identify_frame.sas_addr[0], hisi_hba->sas_addr, SAS_ADDR_SIZE); | |
901 | identify_frame.phy_id = phy_no; | |
902 | identify_buffer = (u32 *)(&identify_frame); | |
903 | ||
904 | hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD0, | |
905 | __swab32(identify_buffer[0])); | |
906 | hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD1, | |
d82debec | 907 | __swab32(identify_buffer[1])); |
806bb768 | 908 | hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD2, |
d82debec | 909 | __swab32(identify_buffer[2])); |
806bb768 | 910 | hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD3, |
d82debec | 911 | __swab32(identify_buffer[3])); |
806bb768 | 912 | hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD4, |
d82debec | 913 | __swab32(identify_buffer[4])); |
806bb768 JG |
914 | hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD5, |
915 | __swab32(identify_buffer[5])); | |
916 | } | |
917 | ||
85b2c3c0 JG |
918 | static void setup_itct_v2_hw(struct hisi_hba *hisi_hba, |
919 | struct hisi_sas_device *sas_dev) | |
920 | { | |
921 | struct domain_device *device = sas_dev->sas_device; | |
11b75249 | 922 | struct device *dev = hisi_hba->dev; |
85b2c3c0 JG |
923 | u64 qw0, device_id = sas_dev->device_id; |
924 | struct hisi_sas_itct *itct = &hisi_hba->itct[device_id]; | |
925 | struct domain_device *parent_dev = device->parent; | |
2e244f0f JG |
926 | struct asd_sas_port *sas_port = device->port; |
927 | struct hisi_sas_port *port = to_hisi_sas_port(sas_port); | |
85b2c3c0 JG |
928 | |
929 | memset(itct, 0, sizeof(*itct)); | |
930 | ||
931 | /* qw0 */ | |
932 | qw0 = 0; | |
933 | switch (sas_dev->dev_type) { | |
934 | case SAS_END_DEVICE: | |
935 | case SAS_EDGE_EXPANDER_DEVICE: | |
936 | case SAS_FANOUT_EXPANDER_DEVICE: | |
937 | qw0 = HISI_SAS_DEV_TYPE_SSP << ITCT_HDR_DEV_TYPE_OFF; | |
938 | break; | |
939 | case SAS_SATA_DEV: | |
56cc74b9 | 940 | case SAS_SATA_PENDING: |
85b2c3c0 JG |
941 | if (parent_dev && DEV_IS_EXPANDER(parent_dev->dev_type)) |
942 | qw0 = HISI_SAS_DEV_TYPE_STP << ITCT_HDR_DEV_TYPE_OFF; | |
943 | else | |
944 | qw0 = HISI_SAS_DEV_TYPE_SATA << ITCT_HDR_DEV_TYPE_OFF; | |
945 | break; | |
946 | default: | |
947 | dev_warn(dev, "setup itct: unsupported dev type (%d)\n", | |
948 | sas_dev->dev_type); | |
949 | } | |
950 | ||
951 | qw0 |= ((1 << ITCT_HDR_VALID_OFF) | | |
75249268 | 952 | (device->linkrate << ITCT_HDR_MCR_OFF) | |
85b2c3c0 | 953 | (1 << ITCT_HDR_VLN_OFF) | |
c399acfb XC |
954 | (ITCT_HDR_SMP_TIMEOUT << ITCT_HDR_SMP_TIMEOUT_OFF) | |
955 | (1 << ITCT_HDR_AWT_CONTINUE_OFF) | | |
85b2c3c0 JG |
956 | (port->id << ITCT_HDR_PORT_ID_OFF)); |
957 | itct->qw0 = cpu_to_le64(qw0); | |
958 | ||
959 | /* qw1 */ | |
960 | memcpy(&itct->sas_addr, device->sas_addr, SAS_ADDR_SIZE); | |
961 | itct->sas_addr = __swab64(itct->sas_addr); | |
962 | ||
963 | /* qw2 */ | |
f76a0b49 | 964 | if (!dev_is_sata(device)) |
c399acfb | 965 | itct->qw2 = cpu_to_le64((5000ULL << ITCT_HDR_INLT_OFF) | |
f76a0b49 JG |
966 | (0x1ULL << ITCT_HDR_BITLT_OFF) | |
967 | (0x32ULL << ITCT_HDR_MCTLT_OFF) | | |
968 | (0x1ULL << ITCT_HDR_RTOLT_OFF)); | |
85b2c3c0 JG |
969 | } |
970 | ||
f39943ee | 971 | static void clear_itct_v2_hw(struct hisi_hba *hisi_hba, |
85b2c3c0 JG |
972 | struct hisi_sas_device *sas_dev) |
973 | { | |
640acc9a | 974 | DECLARE_COMPLETION_ONSTACK(completion); |
c399acfb | 975 | u64 dev_id = sas_dev->device_id; |
85b2c3c0 JG |
976 | struct hisi_sas_itct *itct = &hisi_hba->itct[dev_id]; |
977 | u32 reg_val = hisi_sas_read32(hisi_hba, ENT_INT_SRC3); | |
978 | int i; | |
979 | ||
640acc9a XC |
980 | sas_dev->completion = &completion; |
981 | ||
85b2c3c0 JG |
982 | /* clear the itct interrupt state */ |
983 | if (ENT_INT_SRC3_ITC_INT_MSK & reg_val) | |
984 | hisi_sas_write32(hisi_hba, ENT_INT_SRC3, | |
985 | ENT_INT_SRC3_ITC_INT_MSK); | |
986 | ||
85b2c3c0 | 987 | for (i = 0; i < 2; i++) { |
640acc9a | 988 | reg_val = ITCT_CLR_EN_MSK | (dev_id & ITCT_DEV_MSK); |
85b2c3c0 | 989 | hisi_sas_write32(hisi_hba, ITCT_CLR, reg_val); |
640acc9a | 990 | wait_for_completion(sas_dev->completion); |
85b2c3c0 | 991 | |
640acc9a | 992 | memset(itct, 0, sizeof(struct hisi_sas_itct)); |
85b2c3c0 JG |
993 | } |
994 | } | |
995 | ||
f39943ee XT |
996 | static void free_device_v2_hw(struct hisi_sas_device *sas_dev) |
997 | { | |
998 | struct hisi_hba *hisi_hba = sas_dev->hisi_hba; | |
999 | ||
1000 | /* SoC bug workaround */ | |
1001 | if (dev_is_sata(sas_dev->sas_device)) | |
1002 | clear_bit(sas_dev->sata_idx, hisi_hba->sata_dev_bitmap); | |
1003 | } | |
1004 | ||
94eac9e1 JG |
1005 | static int reset_hw_v2_hw(struct hisi_hba *hisi_hba) |
1006 | { | |
1007 | int i, reset_val; | |
1008 | u32 val; | |
1009 | unsigned long end_time; | |
11b75249 | 1010 | struct device *dev = hisi_hba->dev; |
94eac9e1 JG |
1011 | |
1012 | /* The mask needs to be set depending on the number of phys */ | |
1013 | if (hisi_hba->n_phy == 9) | |
1014 | reset_val = 0x1fffff; | |
1015 | else | |
1016 | reset_val = 0x7ffff; | |
1017 | ||
d0df8f9a | 1018 | hisi_sas_write32(hisi_hba, DLVRY_QUEUE_ENABLE, 0); |
94eac9e1 JG |
1019 | |
1020 | /* Disable all of the PHYs */ | |
1021 | for (i = 0; i < hisi_hba->n_phy; i++) { | |
1022 | u32 phy_cfg = hisi_sas_phy_read32(hisi_hba, i, PHY_CFG); | |
1023 | ||
1024 | phy_cfg &= ~PHY_CTRL_RESET_MSK; | |
1025 | hisi_sas_phy_write32(hisi_hba, i, PHY_CFG, phy_cfg); | |
1026 | } | |
1027 | udelay(50); | |
1028 | ||
1029 | /* Ensure DMA tx & rx idle */ | |
1030 | for (i = 0; i < hisi_hba->n_phy; i++) { | |
1031 | u32 dma_tx_status, dma_rx_status; | |
1032 | ||
1033 | end_time = jiffies + msecs_to_jiffies(1000); | |
1034 | ||
1035 | while (1) { | |
1036 | dma_tx_status = hisi_sas_phy_read32(hisi_hba, i, | |
1037 | DMA_TX_STATUS); | |
1038 | dma_rx_status = hisi_sas_phy_read32(hisi_hba, i, | |
1039 | DMA_RX_STATUS); | |
1040 | ||
1041 | if (!(dma_tx_status & DMA_TX_STATUS_BUSY_MSK) && | |
1042 | !(dma_rx_status & DMA_RX_STATUS_BUSY_MSK)) | |
1043 | break; | |
1044 | ||
1045 | msleep(20); | |
1046 | if (time_after(jiffies, end_time)) | |
1047 | return -EIO; | |
1048 | } | |
1049 | } | |
1050 | ||
1051 | /* Ensure axi bus idle */ | |
1052 | end_time = jiffies + msecs_to_jiffies(1000); | |
1053 | while (1) { | |
1054 | u32 axi_status = | |
1055 | hisi_sas_read32(hisi_hba, AXI_CFG); | |
1056 | ||
1057 | if (axi_status == 0) | |
1058 | break; | |
1059 | ||
1060 | msleep(20); | |
1061 | if (time_after(jiffies, end_time)) | |
1062 | return -EIO; | |
1063 | } | |
1064 | ||
50408712 JG |
1065 | if (ACPI_HANDLE(dev)) { |
1066 | acpi_status s; | |
94eac9e1 | 1067 | |
50408712 JG |
1068 | s = acpi_evaluate_object(ACPI_HANDLE(dev), "_RST", NULL, NULL); |
1069 | if (ACPI_FAILURE(s)) { | |
1070 | dev_err(dev, "Reset failed\n"); | |
1071 | return -EIO; | |
1072 | } | |
1073 | } else if (hisi_hba->ctrl) { | |
1074 | /* reset and disable clock*/ | |
1075 | regmap_write(hisi_hba->ctrl, hisi_hba->ctrl_reset_reg, | |
1076 | reset_val); | |
1077 | regmap_write(hisi_hba->ctrl, hisi_hba->ctrl_clock_ena_reg + 4, | |
1078 | reset_val); | |
1079 | msleep(1); | |
1080 | regmap_read(hisi_hba->ctrl, hisi_hba->ctrl_reset_sts_reg, &val); | |
1081 | if (reset_val != (val & reset_val)) { | |
1082 | dev_err(dev, "SAS reset fail.\n"); | |
1083 | return -EIO; | |
1084 | } | |
1085 | ||
1086 | /* De-reset and enable clock*/ | |
1087 | regmap_write(hisi_hba->ctrl, hisi_hba->ctrl_reset_reg + 4, | |
1088 | reset_val); | |
1089 | regmap_write(hisi_hba->ctrl, hisi_hba->ctrl_clock_ena_reg, | |
1090 | reset_val); | |
1091 | msleep(1); | |
1092 | regmap_read(hisi_hba->ctrl, hisi_hba->ctrl_reset_sts_reg, | |
1093 | &val); | |
1094 | if (val & reset_val) { | |
1095 | dev_err(dev, "SAS de-reset fail.\n"); | |
1096 | return -EIO; | |
1097 | } | |
bcbc7f1c XC |
1098 | } else { |
1099 | dev_err(dev, "no reset method\n"); | |
1100 | return -EINVAL; | |
1101 | } | |
94eac9e1 JG |
1102 | |
1103 | return 0; | |
1104 | } | |
1105 | ||
c7b9d369 XT |
1106 | /* This function needs to be called after resetting SAS controller. */ |
1107 | static void phys_reject_stp_links_v2_hw(struct hisi_hba *hisi_hba) | |
1108 | { | |
1109 | u32 cfg; | |
1110 | int phy_no; | |
1111 | ||
1112 | hisi_hba->reject_stp_links_msk = (1 << hisi_hba->n_phy) - 1; | |
1113 | for (phy_no = 0; phy_no < hisi_hba->n_phy; phy_no++) { | |
1114 | cfg = hisi_sas_phy_read32(hisi_hba, phy_no, CON_CONTROL); | |
1115 | if (!(cfg & CON_CONTROL_CFG_OPEN_ACC_STP_MSK)) | |
1116 | continue; | |
1117 | ||
1118 | cfg &= ~CON_CONTROL_CFG_OPEN_ACC_STP_MSK; | |
1119 | hisi_sas_phy_write32(hisi_hba, phy_no, CON_CONTROL, cfg); | |
1120 | } | |
1121 | } | |
1122 | ||
1123 | static void phys_try_accept_stp_links_v2_hw(struct hisi_hba *hisi_hba) | |
1124 | { | |
1125 | int phy_no; | |
1126 | u32 dma_tx_dfx1; | |
1127 | ||
1128 | for (phy_no = 0; phy_no < hisi_hba->n_phy; phy_no++) { | |
1129 | if (!(hisi_hba->reject_stp_links_msk & BIT(phy_no))) | |
1130 | continue; | |
1131 | ||
1132 | dma_tx_dfx1 = hisi_sas_phy_read32(hisi_hba, phy_no, | |
1133 | DMA_TX_DFX1); | |
1134 | if (dma_tx_dfx1 & DMA_TX_DFX1_IPTT_MSK) { | |
1135 | u32 cfg = hisi_sas_phy_read32(hisi_hba, | |
1136 | phy_no, CON_CONTROL); | |
1137 | ||
1138 | cfg |= CON_CONTROL_CFG_OPEN_ACC_STP_MSK; | |
1139 | hisi_sas_phy_write32(hisi_hba, phy_no, | |
1140 | CON_CONTROL, cfg); | |
1141 | clear_bit(phy_no, &hisi_hba->reject_stp_links_msk); | |
1142 | } | |
1143 | } | |
1144 | } | |
1145 | ||
ad16fe31 XT |
1146 | static const struct signal_attenuation_s x6000 = {9200, 0, 10476}; |
1147 | static const struct sig_atten_lu_s sig_atten_lu[] = { | |
1148 | { &x6000, 0x3016a68 }, | |
1149 | }; | |
1150 | ||
94eac9e1 JG |
1151 | static void init_reg_v2_hw(struct hisi_hba *hisi_hba) |
1152 | { | |
11b75249 | 1153 | struct device *dev = hisi_hba->dev; |
ad16fe31 XT |
1154 | u32 sas_phy_ctrl = 0x30b9908; |
1155 | u32 signal[3]; | |
94eac9e1 JG |
1156 | int i; |
1157 | ||
1158 | /* Global registers init */ | |
1159 | ||
1160 | /* Deal with am-max-transmissions quirk */ | |
50408712 | 1161 | if (device_property_present(dev, "hip06-sas-v2-quirk-amt")) { |
94eac9e1 JG |
1162 | hisi_sas_write32(hisi_hba, AM_CFG_MAX_TRANS, 0x2020); |
1163 | hisi_sas_write32(hisi_hba, AM_CFG_SINGLE_PORT_MAX_TRANS, | |
1164 | 0x2020); | |
1165 | } /* Else, use defaults -> do nothing */ | |
1166 | ||
1167 | hisi_sas_write32(hisi_hba, DLVRY_QUEUE_ENABLE, | |
1168 | (u32)((1ULL << hisi_hba->queue_count) - 1)); | |
1169 | hisi_sas_write32(hisi_hba, AXI_USER1, 0xc0000000); | |
1170 | hisi_sas_write32(hisi_hba, AXI_USER2, 0x10000); | |
f1dc7518 | 1171 | hisi_sas_write32(hisi_hba, HGC_SAS_TXFAIL_RETRY_CTRL, 0x0); |
94eac9e1 JG |
1172 | hisi_sas_write32(hisi_hba, HGC_SAS_TX_OPEN_FAIL_RETRY_CTRL, 0x7FF); |
1173 | hisi_sas_write32(hisi_hba, OPENA_WT_CONTI_TIME, 0x1); | |
1174 | hisi_sas_write32(hisi_hba, I_T_NEXUS_LOSS_TIME, 0x1F4); | |
f76a0b49 | 1175 | hisi_sas_write32(hisi_hba, MAX_CON_TIME_LIMIT_TIME, 0x32); |
94eac9e1 JG |
1176 | hisi_sas_write32(hisi_hba, BUS_INACTIVE_LIMIT_TIME, 0x1); |
1177 | hisi_sas_write32(hisi_hba, CFG_AGING_TIME, 0x1); | |
1178 | hisi_sas_write32(hisi_hba, HGC_ERR_STAT_EN, 0x1); | |
1179 | hisi_sas_write32(hisi_hba, HGC_GET_ITV_TIME, 0x1); | |
f1dc7518 JG |
1180 | hisi_sas_write32(hisi_hba, INT_COAL_EN, 0xc); |
1181 | hisi_sas_write32(hisi_hba, OQ_INT_COAL_TIME, 0x60); | |
1182 | hisi_sas_write32(hisi_hba, OQ_INT_COAL_CNT, 0x3); | |
94eac9e1 JG |
1183 | hisi_sas_write32(hisi_hba, ENT_INT_COAL_TIME, 0x1); |
1184 | hisi_sas_write32(hisi_hba, ENT_INT_COAL_CNT, 0x1); | |
1185 | hisi_sas_write32(hisi_hba, OQ_INT_SRC, 0x0); | |
1186 | hisi_sas_write32(hisi_hba, ENT_INT_SRC1, 0xffffffff); | |
1187 | hisi_sas_write32(hisi_hba, ENT_INT_SRC2, 0xffffffff); | |
1188 | hisi_sas_write32(hisi_hba, ENT_INT_SRC3, 0xffffffff); | |
1189 | hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK1, 0x7efefefe); | |
1190 | hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK2, 0x7efefefe); | |
640acc9a | 1191 | hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK3, 0x7ffe20fe); |
d3b688d3 | 1192 | hisi_sas_write32(hisi_hba, SAS_ECC_INTR_MSK, 0xfff00c30); |
94eac9e1 JG |
1193 | for (i = 0; i < hisi_hba->queue_count; i++) |
1194 | hisi_sas_write32(hisi_hba, OQ0_INT_SRC_MSK+0x4*i, 0); | |
1195 | ||
1196 | hisi_sas_write32(hisi_hba, AXI_AHB_CLK_CFG, 1); | |
1197 | hisi_sas_write32(hisi_hba, HYPER_STREAM_ID_EN_CFG, 1); | |
1198 | ||
ad16fe31 XT |
1199 | /* Get sas_phy_ctrl value to deal with TX FFE issue. */ |
1200 | if (!device_property_read_u32_array(dev, "hisilicon,signal-attenuation", | |
1201 | signal, ARRAY_SIZE(signal))) { | |
1202 | for (i = 0; i < ARRAY_SIZE(sig_atten_lu); i++) { | |
1203 | const struct sig_atten_lu_s *lookup = &sig_atten_lu[i]; | |
1204 | const struct signal_attenuation_s *att = lookup->att; | |
1205 | ||
1206 | if ((signal[0] == att->de_emphasis) && | |
1207 | (signal[1] == att->preshoot) && | |
1208 | (signal[2] == att->boost)) { | |
1209 | sas_phy_ctrl = lookup->sas_phy_ctrl; | |
1210 | break; | |
1211 | } | |
1212 | } | |
1213 | ||
1214 | if (i == ARRAY_SIZE(sig_atten_lu)) | |
1215 | dev_warn(dev, "unknown signal attenuation values, using default PHY ctrl config\n"); | |
1216 | } | |
1217 | ||
94eac9e1 JG |
1218 | for (i = 0; i < hisi_hba->n_phy; i++) { |
1219 | hisi_sas_phy_write32(hisi_hba, i, PROG_PHY_LINK_RATE, 0x855); | |
ad16fe31 | 1220 | hisi_sas_phy_write32(hisi_hba, i, SAS_PHY_CTRL, sas_phy_ctrl); |
94eac9e1 | 1221 | hisi_sas_phy_write32(hisi_hba, i, SL_TOUT_CFG, 0x7d7d7d7d); |
9c81e2cf JG |
1222 | hisi_sas_phy_write32(hisi_hba, i, SL_CONTROL, 0x0); |
1223 | hisi_sas_phy_write32(hisi_hba, i, TXID_AUTO, 0x2); | |
f1dc7518 | 1224 | hisi_sas_phy_write32(hisi_hba, i, DONE_RECEIVED_TIME, 0x8); |
94eac9e1 JG |
1225 | hisi_sas_phy_write32(hisi_hba, i, CHL_INT0, 0xffffffff); |
1226 | hisi_sas_phy_write32(hisi_hba, i, CHL_INT1, 0xffffffff); | |
d3b688d3 | 1227 | hisi_sas_phy_write32(hisi_hba, i, CHL_INT2, 0xfff87fff); |
94eac9e1 | 1228 | hisi_sas_phy_write32(hisi_hba, i, RXOP_CHECK_CFG_H, 0x1000); |
9dd1d620 | 1229 | hisi_sas_phy_write32(hisi_hba, i, CHL_INT1_MSK, 0xff857fff); |
066312f6 | 1230 | hisi_sas_phy_write32(hisi_hba, i, CHL_INT2_MSK, 0x8ffffbfe); |
f1dc7518 | 1231 | hisi_sas_phy_write32(hisi_hba, i, SL_CFG, 0x13f801fc); |
94eac9e1 JG |
1232 | hisi_sas_phy_write32(hisi_hba, i, PHY_CTRL_RDY_MSK, 0x0); |
1233 | hisi_sas_phy_write32(hisi_hba, i, PHYCTRL_NOT_RDY_MSK, 0x0); | |
1234 | hisi_sas_phy_write32(hisi_hba, i, PHYCTRL_DWS_RESET_MSK, 0x0); | |
1235 | hisi_sas_phy_write32(hisi_hba, i, PHYCTRL_PHY_ENA_MSK, 0x0); | |
1236 | hisi_sas_phy_write32(hisi_hba, i, SL_RX_BCAST_CHK_MSK, 0x0); | |
1237 | hisi_sas_phy_write32(hisi_hba, i, CHL_INT_COAL_EN, 0x0); | |
1238 | hisi_sas_phy_write32(hisi_hba, i, PHYCTRL_OOB_RESTART_MSK, 0x0); | |
3bc45af8 JG |
1239 | if (hisi_hba->refclk_frequency_mhz == 66) |
1240 | hisi_sas_phy_write32(hisi_hba, i, PHY_CTRL, 0x199B694); | |
1241 | /* else, do nothing -> leave it how you found it */ | |
94eac9e1 JG |
1242 | } |
1243 | ||
1244 | for (i = 0; i < hisi_hba->queue_count; i++) { | |
1245 | /* Delivery queue */ | |
1246 | hisi_sas_write32(hisi_hba, | |
1247 | DLVRY_Q_0_BASE_ADDR_HI + (i * 0x14), | |
1248 | upper_32_bits(hisi_hba->cmd_hdr_dma[i])); | |
1249 | ||
1250 | hisi_sas_write32(hisi_hba, DLVRY_Q_0_BASE_ADDR_LO + (i * 0x14), | |
1251 | lower_32_bits(hisi_hba->cmd_hdr_dma[i])); | |
1252 | ||
1253 | hisi_sas_write32(hisi_hba, DLVRY_Q_0_DEPTH + (i * 0x14), | |
1254 | HISI_SAS_QUEUE_SLOTS); | |
1255 | ||
1256 | /* Completion queue */ | |
1257 | hisi_sas_write32(hisi_hba, COMPL_Q_0_BASE_ADDR_HI + (i * 0x14), | |
1258 | upper_32_bits(hisi_hba->complete_hdr_dma[i])); | |
1259 | ||
1260 | hisi_sas_write32(hisi_hba, COMPL_Q_0_BASE_ADDR_LO + (i * 0x14), | |
1261 | lower_32_bits(hisi_hba->complete_hdr_dma[i])); | |
1262 | ||
1263 | hisi_sas_write32(hisi_hba, COMPL_Q_0_DEPTH + (i * 0x14), | |
1264 | HISI_SAS_QUEUE_SLOTS); | |
1265 | } | |
1266 | ||
1267 | /* itct */ | |
1268 | hisi_sas_write32(hisi_hba, ITCT_BASE_ADDR_LO, | |
1269 | lower_32_bits(hisi_hba->itct_dma)); | |
1270 | ||
1271 | hisi_sas_write32(hisi_hba, ITCT_BASE_ADDR_HI, | |
1272 | upper_32_bits(hisi_hba->itct_dma)); | |
1273 | ||
1274 | /* iost */ | |
1275 | hisi_sas_write32(hisi_hba, IOST_BASE_ADDR_LO, | |
1276 | lower_32_bits(hisi_hba->iost_dma)); | |
1277 | ||
1278 | hisi_sas_write32(hisi_hba, IOST_BASE_ADDR_HI, | |
1279 | upper_32_bits(hisi_hba->iost_dma)); | |
1280 | ||
1281 | /* breakpoint */ | |
1282 | hisi_sas_write32(hisi_hba, IO_BROKEN_MSG_ADDR_LO, | |
1283 | lower_32_bits(hisi_hba->breakpoint_dma)); | |
1284 | ||
1285 | hisi_sas_write32(hisi_hba, IO_BROKEN_MSG_ADDR_HI, | |
1286 | upper_32_bits(hisi_hba->breakpoint_dma)); | |
1287 | ||
1288 | /* SATA broken msg */ | |
1289 | hisi_sas_write32(hisi_hba, IO_SATA_BROKEN_MSG_ADDR_LO, | |
1290 | lower_32_bits(hisi_hba->sata_breakpoint_dma)); | |
1291 | ||
1292 | hisi_sas_write32(hisi_hba, IO_SATA_BROKEN_MSG_ADDR_HI, | |
1293 | upper_32_bits(hisi_hba->sata_breakpoint_dma)); | |
1294 | ||
1295 | /* SATA initial fis */ | |
1296 | hisi_sas_write32(hisi_hba, SATA_INITI_D2H_STORE_ADDR_LO, | |
1297 | lower_32_bits(hisi_hba->initial_fis_dma)); | |
1298 | ||
1299 | hisi_sas_write32(hisi_hba, SATA_INITI_D2H_STORE_ADDR_HI, | |
1300 | upper_32_bits(hisi_hba->initial_fis_dma)); | |
1301 | } | |
1302 | ||
77570eed | 1303 | static void link_timeout_enable_link(struct timer_list *t) |
f2f89c32 | 1304 | { |
77570eed | 1305 | struct hisi_hba *hisi_hba = from_timer(hisi_hba, t, timer); |
f2f89c32 XC |
1306 | int i, reg_val; |
1307 | ||
1308 | for (i = 0; i < hisi_hba->n_phy; i++) { | |
c7b9d369 XT |
1309 | if (hisi_hba->reject_stp_links_msk & BIT(i)) |
1310 | continue; | |
1311 | ||
f2f89c32 XC |
1312 | reg_val = hisi_sas_phy_read32(hisi_hba, i, CON_CONTROL); |
1313 | if (!(reg_val & BIT(0))) { | |
1314 | hisi_sas_phy_write32(hisi_hba, i, | |
1315 | CON_CONTROL, 0x7); | |
1316 | break; | |
1317 | } | |
1318 | } | |
1319 | ||
841b86f3 | 1320 | hisi_hba->timer.function = link_timeout_disable_link; |
f2f89c32 XC |
1321 | mod_timer(&hisi_hba->timer, jiffies + msecs_to_jiffies(900)); |
1322 | } | |
1323 | ||
77570eed | 1324 | static void link_timeout_disable_link(struct timer_list *t) |
f2f89c32 | 1325 | { |
77570eed | 1326 | struct hisi_hba *hisi_hba = from_timer(hisi_hba, t, timer); |
f2f89c32 XC |
1327 | int i, reg_val; |
1328 | ||
1329 | reg_val = hisi_sas_read32(hisi_hba, PHY_STATE); | |
1330 | for (i = 0; i < hisi_hba->n_phy && reg_val; i++) { | |
c7b9d369 XT |
1331 | if (hisi_hba->reject_stp_links_msk & BIT(i)) |
1332 | continue; | |
1333 | ||
f2f89c32 XC |
1334 | if (reg_val & BIT(i)) { |
1335 | hisi_sas_phy_write32(hisi_hba, i, | |
1336 | CON_CONTROL, 0x6); | |
1337 | break; | |
1338 | } | |
1339 | } | |
1340 | ||
841b86f3 | 1341 | hisi_hba->timer.function = link_timeout_enable_link; |
f2f89c32 XC |
1342 | mod_timer(&hisi_hba->timer, jiffies + msecs_to_jiffies(100)); |
1343 | } | |
1344 | ||
1345 | static void set_link_timer_quirk(struct hisi_hba *hisi_hba) | |
1346 | { | |
841b86f3 | 1347 | hisi_hba->timer.function = link_timeout_disable_link; |
f2f89c32 XC |
1348 | hisi_hba->timer.expires = jiffies + msecs_to_jiffies(1000); |
1349 | add_timer(&hisi_hba->timer); | |
1350 | } | |
1351 | ||
94eac9e1 JG |
1352 | static int hw_init_v2_hw(struct hisi_hba *hisi_hba) |
1353 | { | |
11b75249 | 1354 | struct device *dev = hisi_hba->dev; |
94eac9e1 JG |
1355 | int rc; |
1356 | ||
1357 | rc = reset_hw_v2_hw(hisi_hba); | |
1358 | if (rc) { | |
1359 | dev_err(dev, "hisi_sas_reset_hw failed, rc=%d", rc); | |
1360 | return rc; | |
1361 | } | |
1362 | ||
1363 | msleep(100); | |
1364 | init_reg_v2_hw(hisi_hba); | |
806bb768 | 1365 | |
94eac9e1 JG |
1366 | return 0; |
1367 | } | |
1368 | ||
29a20428 JG |
1369 | static void enable_phy_v2_hw(struct hisi_hba *hisi_hba, int phy_no) |
1370 | { | |
1371 | u32 cfg = hisi_sas_phy_read32(hisi_hba, phy_no, PHY_CFG); | |
1372 | ||
1373 | cfg |= PHY_CFG_ENA_MSK; | |
1374 | hisi_sas_phy_write32(hisi_hba, phy_no, PHY_CFG, cfg); | |
1375 | } | |
1376 | ||
4935933e XT |
1377 | static bool is_sata_phy_v2_hw(struct hisi_hba *hisi_hba, int phy_no) |
1378 | { | |
1379 | u32 context; | |
1380 | ||
1381 | context = hisi_sas_read32(hisi_hba, PHY_CONTEXT); | |
1382 | if (context & (1 << phy_no)) | |
1383 | return true; | |
1384 | ||
1385 | return false; | |
1386 | } | |
1387 | ||
819cbf18 XT |
1388 | static bool tx_fifo_is_empty_v2_hw(struct hisi_hba *hisi_hba, int phy_no) |
1389 | { | |
1390 | u32 dfx_val; | |
1391 | ||
1392 | dfx_val = hisi_sas_phy_read32(hisi_hba, phy_no, DMA_TX_DFX1); | |
1393 | ||
1394 | if (dfx_val & BIT(16)) | |
1395 | return false; | |
1396 | ||
1397 | return true; | |
1398 | } | |
1399 | ||
1400 | static bool axi_bus_is_idle_v2_hw(struct hisi_hba *hisi_hba, int phy_no) | |
1401 | { | |
1402 | int i, max_loop = 1000; | |
11b75249 | 1403 | struct device *dev = hisi_hba->dev; |
819cbf18 XT |
1404 | u32 status, axi_status, dfx_val, dfx_tx_val; |
1405 | ||
1406 | for (i = 0; i < max_loop; i++) { | |
1407 | status = hisi_sas_read32_relaxed(hisi_hba, | |
1408 | AXI_MASTER_CFG_BASE + AM_CURR_TRANS_RETURN); | |
1409 | ||
1410 | axi_status = hisi_sas_read32(hisi_hba, AXI_CFG); | |
1411 | dfx_val = hisi_sas_phy_read32(hisi_hba, phy_no, DMA_TX_DFX1); | |
1412 | dfx_tx_val = hisi_sas_phy_read32(hisi_hba, | |
1413 | phy_no, DMA_TX_FIFO_DFX0); | |
1414 | ||
1415 | if ((status == 0x3) && (axi_status == 0x0) && | |
1416 | (dfx_val & BIT(20)) && (dfx_tx_val & BIT(10))) | |
1417 | return true; | |
1418 | udelay(10); | |
1419 | } | |
1420 | dev_err(dev, "bus is not idle phy%d, axi150:0x%x axi100:0x%x port204:0x%x port240:0x%x\n", | |
1421 | phy_no, status, axi_status, | |
1422 | dfx_val, dfx_tx_val); | |
1423 | return false; | |
1424 | } | |
1425 | ||
1426 | static bool wait_io_done_v2_hw(struct hisi_hba *hisi_hba, int phy_no) | |
1427 | { | |
1428 | int i, max_loop = 1000; | |
11b75249 | 1429 | struct device *dev = hisi_hba->dev; |
819cbf18 XT |
1430 | u32 status, tx_dfx0; |
1431 | ||
1432 | for (i = 0; i < max_loop; i++) { | |
1433 | status = hisi_sas_phy_read32(hisi_hba, phy_no, LINK_DFX2); | |
1434 | status = (status & 0x3fc0) >> 6; | |
1435 | ||
1436 | if (status != 0x1) | |
1437 | return true; | |
1438 | ||
1439 | tx_dfx0 = hisi_sas_phy_read32(hisi_hba, phy_no, DMA_TX_DFX0); | |
1440 | if ((tx_dfx0 & 0x1ff) == 0x2) | |
1441 | return true; | |
1442 | udelay(10); | |
1443 | } | |
1444 | dev_err(dev, "IO not done phy%d, port264:0x%x port200:0x%x\n", | |
1445 | phy_no, status, tx_dfx0); | |
1446 | return false; | |
1447 | } | |
1448 | ||
1449 | static bool allowed_disable_phy_v2_hw(struct hisi_hba *hisi_hba, int phy_no) | |
1450 | { | |
1451 | if (tx_fifo_is_empty_v2_hw(hisi_hba, phy_no)) | |
1452 | return true; | |
1453 | ||
1454 | if (!axi_bus_is_idle_v2_hw(hisi_hba, phy_no)) | |
1455 | return false; | |
1456 | ||
1457 | if (!wait_io_done_v2_hw(hisi_hba, phy_no)) | |
1458 | return false; | |
1459 | ||
1460 | return true; | |
1461 | } | |
1462 | ||
1463 | ||
63fb11b8 JG |
1464 | static void disable_phy_v2_hw(struct hisi_hba *hisi_hba, int phy_no) |
1465 | { | |
819cbf18 | 1466 | u32 cfg, axi_val, dfx0_val, txid_auto; |
11b75249 | 1467 | struct device *dev = hisi_hba->dev; |
819cbf18 XT |
1468 | |
1469 | /* Close axi bus. */ | |
1470 | axi_val = hisi_sas_read32(hisi_hba, AXI_MASTER_CFG_BASE + | |
1471 | AM_CTRL_GLOBAL); | |
1472 | axi_val |= 0x1; | |
1473 | hisi_sas_write32(hisi_hba, AXI_MASTER_CFG_BASE + | |
1474 | AM_CTRL_GLOBAL, axi_val); | |
1475 | ||
1476 | if (is_sata_phy_v2_hw(hisi_hba, phy_no)) { | |
1477 | if (allowed_disable_phy_v2_hw(hisi_hba, phy_no)) | |
1478 | goto do_disable; | |
63fb11b8 | 1479 | |
819cbf18 XT |
1480 | /* Reset host controller. */ |
1481 | queue_work(hisi_hba->wq, &hisi_hba->rst_work); | |
1482 | return; | |
1483 | } | |
1484 | ||
1485 | dfx0_val = hisi_sas_phy_read32(hisi_hba, phy_no, PORT_DFX0); | |
1486 | dfx0_val = (dfx0_val & 0x1fc0) >> 6; | |
1487 | if (dfx0_val != 0x4) | |
1488 | goto do_disable; | |
1489 | ||
1490 | if (!tx_fifo_is_empty_v2_hw(hisi_hba, phy_no)) { | |
1491 | dev_warn(dev, "phy%d, wait tx fifo need send break\n", | |
1492 | phy_no); | |
1493 | txid_auto = hisi_sas_phy_read32(hisi_hba, phy_no, | |
1494 | TXID_AUTO); | |
1495 | txid_auto |= TXID_AUTO_CTB_MSK; | |
1496 | hisi_sas_phy_write32(hisi_hba, phy_no, TXID_AUTO, | |
1497 | txid_auto); | |
1498 | } | |
1499 | ||
1500 | do_disable: | |
1501 | cfg = hisi_sas_phy_read32(hisi_hba, phy_no, PHY_CFG); | |
63fb11b8 JG |
1502 | cfg &= ~PHY_CFG_ENA_MSK; |
1503 | hisi_sas_phy_write32(hisi_hba, phy_no, PHY_CFG, cfg); | |
819cbf18 XT |
1504 | |
1505 | /* Open axi bus. */ | |
1506 | axi_val &= ~0x1; | |
1507 | hisi_sas_write32(hisi_hba, AXI_MASTER_CFG_BASE + | |
1508 | AM_CTRL_GLOBAL, axi_val); | |
63fb11b8 JG |
1509 | } |
1510 | ||
29a20428 JG |
1511 | static void start_phy_v2_hw(struct hisi_hba *hisi_hba, int phy_no) |
1512 | { | |
1513 | config_id_frame_v2_hw(hisi_hba, phy_no); | |
1514 | config_phy_opt_mode_v2_hw(hisi_hba, phy_no); | |
1515 | enable_phy_v2_hw(hisi_hba, phy_no); | |
1516 | } | |
1517 | ||
63fb11b8 JG |
1518 | static void phy_hard_reset_v2_hw(struct hisi_hba *hisi_hba, int phy_no) |
1519 | { | |
0edef7e4 XC |
1520 | struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no]; |
1521 | u32 txid_auto; | |
1522 | ||
a25d0d3d | 1523 | disable_phy_v2_hw(hisi_hba, phy_no); |
0edef7e4 XC |
1524 | if (phy->identify.device_type == SAS_END_DEVICE) { |
1525 | txid_auto = hisi_sas_phy_read32(hisi_hba, phy_no, TXID_AUTO); | |
1526 | hisi_sas_phy_write32(hisi_hba, phy_no, TXID_AUTO, | |
1527 | txid_auto | TX_HARDRST_MSK); | |
1528 | } | |
63fb11b8 JG |
1529 | msleep(100); |
1530 | start_phy_v2_hw(hisi_hba, phy_no); | |
1531 | } | |
1532 | ||
c52108c6 XT |
1533 | static void phy_get_events_v2_hw(struct hisi_hba *hisi_hba, int phy_no) |
1534 | { | |
1535 | struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no]; | |
1536 | struct asd_sas_phy *sas_phy = &phy->sas_phy; | |
1537 | struct sas_phy *sphy = sas_phy->phy; | |
1538 | u32 err4_reg_val, err6_reg_val; | |
1539 | ||
1540 | /* loss dword syn, phy reset problem */ | |
1541 | err4_reg_val = hisi_sas_phy_read32(hisi_hba, phy_no, SAS_ERR_CNT4_REG); | |
1542 | ||
1543 | /* disparity err, invalid dword */ | |
1544 | err6_reg_val = hisi_sas_phy_read32(hisi_hba, phy_no, SAS_ERR_CNT6_REG); | |
1545 | ||
1546 | sphy->loss_of_dword_sync_count += (err4_reg_val >> 16) & 0xFFFF; | |
1547 | sphy->phy_reset_problem_count += err4_reg_val & 0xFFFF; | |
1548 | sphy->invalid_dword_count += (err6_reg_val & 0xFF0000) >> 16; | |
1549 | sphy->running_disparity_error_count += err6_reg_val & 0xFF; | |
1550 | } | |
1551 | ||
a25d0d3d | 1552 | static void phys_init_v2_hw(struct hisi_hba *hisi_hba) |
29a20428 | 1553 | { |
29a20428 JG |
1554 | int i; |
1555 | ||
917d3bda XT |
1556 | for (i = 0; i < hisi_hba->n_phy; i++) { |
1557 | struct hisi_sas_phy *phy = &hisi_hba->phy[i]; | |
1558 | struct asd_sas_phy *sas_phy = &phy->sas_phy; | |
1559 | ||
1560 | if (!sas_phy->phy->enabled) | |
1561 | continue; | |
1562 | ||
29a20428 | 1563 | start_phy_v2_hw(hisi_hba, i); |
917d3bda | 1564 | } |
29a20428 JG |
1565 | } |
1566 | ||
7911e66f JG |
1567 | static void sl_notify_v2_hw(struct hisi_hba *hisi_hba, int phy_no) |
1568 | { | |
1569 | u32 sl_control; | |
1570 | ||
1571 | sl_control = hisi_sas_phy_read32(hisi_hba, phy_no, SL_CONTROL); | |
1572 | sl_control |= SL_CONTROL_NOTIFY_EN_MSK; | |
1573 | hisi_sas_phy_write32(hisi_hba, phy_no, SL_CONTROL, sl_control); | |
1574 | msleep(1); | |
1575 | sl_control = hisi_sas_phy_read32(hisi_hba, phy_no, SL_CONTROL); | |
1576 | sl_control &= ~SL_CONTROL_NOTIFY_EN_MSK; | |
1577 | hisi_sas_phy_write32(hisi_hba, phy_no, SL_CONTROL, sl_control); | |
1578 | } | |
1579 | ||
2ae75787 XC |
1580 | static enum sas_linkrate phy_get_max_linkrate_v2_hw(void) |
1581 | { | |
1582 | return SAS_LINK_RATE_12_0_GBPS; | |
1583 | } | |
1584 | ||
1585 | static void phy_set_linkrate_v2_hw(struct hisi_hba *hisi_hba, int phy_no, | |
1586 | struct sas_phy_linkrates *r) | |
1587 | { | |
1588 | u32 prog_phy_link_rate = | |
1589 | hisi_sas_phy_read32(hisi_hba, phy_no, PROG_PHY_LINK_RATE); | |
1590 | struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no]; | |
1591 | struct asd_sas_phy *sas_phy = &phy->sas_phy; | |
1592 | int i; | |
1593 | enum sas_linkrate min, max; | |
1594 | u32 rate_mask = 0; | |
1595 | ||
1596 | if (r->maximum_linkrate == SAS_LINK_RATE_UNKNOWN) { | |
1597 | max = sas_phy->phy->maximum_linkrate; | |
1598 | min = r->minimum_linkrate; | |
1599 | } else if (r->minimum_linkrate == SAS_LINK_RATE_UNKNOWN) { | |
1600 | max = r->maximum_linkrate; | |
1601 | min = sas_phy->phy->minimum_linkrate; | |
1602 | } else | |
1603 | return; | |
1604 | ||
1605 | sas_phy->phy->maximum_linkrate = max; | |
1606 | sas_phy->phy->minimum_linkrate = min; | |
1607 | ||
2ae75787 XC |
1608 | max -= SAS_LINK_RATE_1_5_GBPS; |
1609 | ||
1610 | for (i = 0; i <= max; i++) | |
1611 | rate_mask |= 1 << (i * 2); | |
1612 | ||
1613 | prog_phy_link_rate &= ~0xff; | |
1614 | prog_phy_link_rate |= rate_mask; | |
1615 | ||
5dcac3a4 XT |
1616 | disable_phy_v2_hw(hisi_hba, phy_no); |
1617 | msleep(100); | |
2ae75787 XC |
1618 | hisi_sas_phy_write32(hisi_hba, phy_no, PROG_PHY_LINK_RATE, |
1619 | prog_phy_link_rate); | |
5dcac3a4 | 1620 | start_phy_v2_hw(hisi_hba, phy_no); |
2ae75787 XC |
1621 | } |
1622 | ||
5473c060 JG |
1623 | static int get_wideport_bitmap_v2_hw(struct hisi_hba *hisi_hba, int port_id) |
1624 | { | |
1625 | int i, bitmap = 0; | |
1626 | u32 phy_port_num_ma = hisi_sas_read32(hisi_hba, PHY_PORT_NUM_MA); | |
1627 | u32 phy_state = hisi_sas_read32(hisi_hba, PHY_STATE); | |
1628 | ||
1629 | for (i = 0; i < (hisi_hba->n_phy < 9 ? hisi_hba->n_phy : 8); i++) | |
1630 | if (phy_state & 1 << i) | |
1631 | if (((phy_port_num_ma >> (i * 4)) & 0xf) == port_id) | |
1632 | bitmap |= 1 << i; | |
1633 | ||
1634 | if (hisi_hba->n_phy == 9) { | |
1635 | u32 port_state = hisi_sas_read32(hisi_hba, PORT_STATE); | |
1636 | ||
1637 | if (phy_state & 1 << 8) | |
1638 | if (((port_state & PORT_STATE_PHY8_PORT_NUM_MSK) >> | |
1639 | PORT_STATE_PHY8_PORT_NUM_OFF) == port_id) | |
1640 | bitmap |= 1 << 9; | |
1641 | } | |
1642 | ||
1643 | return bitmap; | |
1644 | } | |
1645 | ||
b1a49412 | 1646 | /* |
8c36e31d JG |
1647 | * The callpath to this function and upto writing the write |
1648 | * queue pointer should be safe from interruption. | |
1649 | */ | |
b1a49412 XC |
1650 | static int |
1651 | get_free_slot_v2_hw(struct hisi_hba *hisi_hba, struct hisi_sas_dq *dq) | |
8c36e31d | 1652 | { |
11b75249 | 1653 | struct device *dev = hisi_hba->dev; |
b1a49412 | 1654 | int queue = dq->id; |
8c36e31d | 1655 | u32 r, w; |
c70f1fb7 | 1656 | |
c70f1fb7 XC |
1657 | w = dq->wr_point; |
1658 | r = hisi_sas_read32_relaxed(hisi_hba, | |
1659 | DLVRY_Q_0_RD_PTR + (queue * 0x14)); | |
1660 | if (r == (w+1) % HISI_SAS_QUEUE_SLOTS) { | |
1661 | dev_warn(dev, "full queue=%d r=%d w=%d\n\n", | |
1662 | queue, r, w); | |
1663 | return -EAGAIN; | |
8c36e31d | 1664 | } |
c70f1fb7 | 1665 | |
8c36e31d JG |
1666 | return 0; |
1667 | } | |
1668 | ||
b1a49412 | 1669 | static void start_delivery_v2_hw(struct hisi_sas_dq *dq) |
8c36e31d | 1670 | { |
b1a49412 XC |
1671 | struct hisi_hba *hisi_hba = dq->hisi_hba; |
1672 | int dlvry_queue = dq->slot_prep->dlvry_queue; | |
1673 | int dlvry_queue_slot = dq->slot_prep->dlvry_queue_slot; | |
8c36e31d | 1674 | |
4fde02ad | 1675 | dq->wr_point = ++dlvry_queue_slot % HISI_SAS_QUEUE_SLOTS; |
8c36e31d | 1676 | hisi_sas_write32(hisi_hba, DLVRY_Q_0_WR_PTR + (dlvry_queue * 0x14), |
4fde02ad | 1677 | dq->wr_point); |
8c36e31d JG |
1678 | } |
1679 | ||
1680 | static int prep_prd_sge_v2_hw(struct hisi_hba *hisi_hba, | |
1681 | struct hisi_sas_slot *slot, | |
1682 | struct hisi_sas_cmd_hdr *hdr, | |
1683 | struct scatterlist *scatter, | |
1684 | int n_elem) | |
1685 | { | |
f557e32c | 1686 | struct hisi_sas_sge_page *sge_page = hisi_sas_sge_addr_mem(slot); |
11b75249 | 1687 | struct device *dev = hisi_hba->dev; |
8c36e31d JG |
1688 | struct scatterlist *sg; |
1689 | int i; | |
1690 | ||
1691 | if (n_elem > HISI_SAS_SGE_PAGE_CNT) { | |
1692 | dev_err(dev, "prd err: n_elem(%d) > HISI_SAS_SGE_PAGE_CNT", | |
1693 | n_elem); | |
1694 | return -EINVAL; | |
1695 | } | |
1696 | ||
8c36e31d | 1697 | for_each_sg(scatter, sg, n_elem, i) { |
f557e32c | 1698 | struct hisi_sas_sge *entry = &sge_page->sge[i]; |
8c36e31d JG |
1699 | |
1700 | entry->addr = cpu_to_le64(sg_dma_address(sg)); | |
1701 | entry->page_ctrl_0 = entry->page_ctrl_1 = 0; | |
1702 | entry->data_len = cpu_to_le32(sg_dma_len(sg)); | |
1703 | entry->data_off = 0; | |
1704 | } | |
1705 | ||
f557e32c | 1706 | hdr->prd_table_addr = cpu_to_le64(hisi_sas_sge_addr_dma(slot)); |
8c36e31d JG |
1707 | |
1708 | hdr->sg_len = cpu_to_le32(n_elem << CMD_HDR_DATA_SGL_LEN_OFF); | |
1709 | ||
1710 | return 0; | |
1711 | } | |
1712 | ||
c2d89392 JG |
1713 | static int prep_smp_v2_hw(struct hisi_hba *hisi_hba, |
1714 | struct hisi_sas_slot *slot) | |
1715 | { | |
1716 | struct sas_task *task = slot->task; | |
1717 | struct hisi_sas_cmd_hdr *hdr = slot->cmd_hdr; | |
1718 | struct domain_device *device = task->dev; | |
11b75249 | 1719 | struct device *dev = hisi_hba->dev; |
c2d89392 JG |
1720 | struct hisi_sas_port *port = slot->port; |
1721 | struct scatterlist *sg_req, *sg_resp; | |
1722 | struct hisi_sas_device *sas_dev = device->lldd_dev; | |
1723 | dma_addr_t req_dma_addr; | |
1724 | unsigned int req_len, resp_len; | |
1725 | int elem, rc; | |
1726 | ||
1727 | /* | |
1728 | * DMA-map SMP request, response buffers | |
1729 | */ | |
1730 | /* req */ | |
1731 | sg_req = &task->smp_task.smp_req; | |
1732 | elem = dma_map_sg(dev, sg_req, 1, DMA_TO_DEVICE); | |
1733 | if (!elem) | |
1734 | return -ENOMEM; | |
1735 | req_len = sg_dma_len(sg_req); | |
1736 | req_dma_addr = sg_dma_address(sg_req); | |
1737 | ||
1738 | /* resp */ | |
1739 | sg_resp = &task->smp_task.smp_resp; | |
1740 | elem = dma_map_sg(dev, sg_resp, 1, DMA_FROM_DEVICE); | |
1741 | if (!elem) { | |
1742 | rc = -ENOMEM; | |
1743 | goto err_out_req; | |
1744 | } | |
1745 | resp_len = sg_dma_len(sg_resp); | |
1746 | if ((req_len & 0x3) || (resp_len & 0x3)) { | |
1747 | rc = -EINVAL; | |
1748 | goto err_out_resp; | |
1749 | } | |
1750 | ||
1751 | /* create header */ | |
1752 | /* dw0 */ | |
1753 | hdr->dw0 = cpu_to_le32((port->id << CMD_HDR_PORT_OFF) | | |
1754 | (1 << CMD_HDR_PRIORITY_OFF) | /* high pri */ | |
1755 | (2 << CMD_HDR_CMD_OFF)); /* smp */ | |
1756 | ||
1757 | /* map itct entry */ | |
1758 | hdr->dw1 = cpu_to_le32((sas_dev->device_id << CMD_HDR_DEV_ID_OFF) | | |
1759 | (1 << CMD_HDR_FRAME_TYPE_OFF) | | |
1760 | (DIR_NO_DATA << CMD_HDR_DIR_OFF)); | |
1761 | ||
1762 | /* dw2 */ | |
1763 | hdr->dw2 = cpu_to_le32((((req_len - 4) / 4) << CMD_HDR_CFL_OFF) | | |
1764 | (HISI_SAS_MAX_SMP_RESP_SZ / 4 << | |
1765 | CMD_HDR_MRFL_OFF)); | |
1766 | ||
1767 | hdr->transfer_tags = cpu_to_le32(slot->idx << CMD_HDR_IPTT_OFF); | |
1768 | ||
1769 | hdr->cmd_table_addr = cpu_to_le64(req_dma_addr); | |
f557e32c | 1770 | hdr->sts_buffer_addr = cpu_to_le64(hisi_sas_status_buf_addr_dma(slot)); |
c2d89392 JG |
1771 | |
1772 | return 0; | |
1773 | ||
1774 | err_out_resp: | |
1775 | dma_unmap_sg(dev, &slot->task->smp_task.smp_resp, 1, | |
1776 | DMA_FROM_DEVICE); | |
1777 | err_out_req: | |
1778 | dma_unmap_sg(dev, &slot->task->smp_task.smp_req, 1, | |
1779 | DMA_TO_DEVICE); | |
1780 | return rc; | |
1781 | } | |
1782 | ||
8c36e31d JG |
1783 | static int prep_ssp_v2_hw(struct hisi_hba *hisi_hba, |
1784 | struct hisi_sas_slot *slot, int is_tmf, | |
1785 | struct hisi_sas_tmf_task *tmf) | |
1786 | { | |
1787 | struct sas_task *task = slot->task; | |
1788 | struct hisi_sas_cmd_hdr *hdr = slot->cmd_hdr; | |
1789 | struct domain_device *device = task->dev; | |
1790 | struct hisi_sas_device *sas_dev = device->lldd_dev; | |
1791 | struct hisi_sas_port *port = slot->port; | |
1792 | struct sas_ssp_task *ssp_task = &task->ssp_task; | |
1793 | struct scsi_cmnd *scsi_cmnd = ssp_task->cmd; | |
1794 | int has_data = 0, rc, priority = is_tmf; | |
1795 | u8 *buf_cmd; | |
1796 | u32 dw1 = 0, dw2 = 0; | |
1797 | ||
1798 | hdr->dw0 = cpu_to_le32((1 << CMD_HDR_RESP_REPORT_OFF) | | |
1799 | (2 << CMD_HDR_TLR_CTRL_OFF) | | |
1800 | (port->id << CMD_HDR_PORT_OFF) | | |
1801 | (priority << CMD_HDR_PRIORITY_OFF) | | |
1802 | (1 << CMD_HDR_CMD_OFF)); /* ssp */ | |
1803 | ||
1804 | dw1 = 1 << CMD_HDR_VDTL_OFF; | |
1805 | if (is_tmf) { | |
1806 | dw1 |= 2 << CMD_HDR_FRAME_TYPE_OFF; | |
1807 | dw1 |= DIR_NO_DATA << CMD_HDR_DIR_OFF; | |
1808 | } else { | |
1809 | dw1 |= 1 << CMD_HDR_FRAME_TYPE_OFF; | |
1810 | switch (scsi_cmnd->sc_data_direction) { | |
1811 | case DMA_TO_DEVICE: | |
1812 | has_data = 1; | |
1813 | dw1 |= DIR_TO_DEVICE << CMD_HDR_DIR_OFF; | |
1814 | break; | |
1815 | case DMA_FROM_DEVICE: | |
1816 | has_data = 1; | |
1817 | dw1 |= DIR_TO_INI << CMD_HDR_DIR_OFF; | |
1818 | break; | |
1819 | default: | |
1820 | dw1 &= ~CMD_HDR_DIR_MSK; | |
1821 | } | |
1822 | } | |
1823 | ||
1824 | /* map itct entry */ | |
1825 | dw1 |= sas_dev->device_id << CMD_HDR_DEV_ID_OFF; | |
1826 | hdr->dw1 = cpu_to_le32(dw1); | |
1827 | ||
1828 | dw2 = (((sizeof(struct ssp_command_iu) + sizeof(struct ssp_frame_hdr) | |
1829 | + 3) / 4) << CMD_HDR_CFL_OFF) | | |
1830 | ((HISI_SAS_MAX_SSP_RESP_SZ / 4) << CMD_HDR_MRFL_OFF) | | |
1831 | (2 << CMD_HDR_SG_MOD_OFF); | |
1832 | hdr->dw2 = cpu_to_le32(dw2); | |
1833 | ||
1834 | hdr->transfer_tags = cpu_to_le32(slot->idx); | |
1835 | ||
1836 | if (has_data) { | |
1837 | rc = prep_prd_sge_v2_hw(hisi_hba, slot, hdr, task->scatter, | |
1838 | slot->n_elem); | |
1839 | if (rc) | |
1840 | return rc; | |
1841 | } | |
1842 | ||
1843 | hdr->data_transfer_len = cpu_to_le32(task->total_xfer_len); | |
f557e32c XT |
1844 | hdr->cmd_table_addr = cpu_to_le64(hisi_sas_cmd_hdr_addr_dma(slot)); |
1845 | hdr->sts_buffer_addr = cpu_to_le64(hisi_sas_status_buf_addr_dma(slot)); | |
8c36e31d | 1846 | |
f557e32c XT |
1847 | buf_cmd = hisi_sas_cmd_hdr_addr_mem(slot) + |
1848 | sizeof(struct ssp_frame_hdr); | |
8c36e31d JG |
1849 | |
1850 | memcpy(buf_cmd, &task->ssp_task.LUN, 8); | |
1851 | if (!is_tmf) { | |
1852 | buf_cmd[9] = task->ssp_task.task_attr | | |
1853 | (task->ssp_task.task_prio << 3); | |
1854 | memcpy(buf_cmd + 12, task->ssp_task.cmd->cmnd, | |
1855 | task->ssp_task.cmd->cmd_len); | |
1856 | } else { | |
1857 | buf_cmd[10] = tmf->tmf; | |
1858 | switch (tmf->tmf) { | |
1859 | case TMF_ABORT_TASK: | |
1860 | case TMF_QUERY_TASK: | |
1861 | buf_cmd[12] = | |
1862 | (tmf->tag_of_task_to_be_managed >> 8) & 0xff; | |
1863 | buf_cmd[13] = | |
1864 | tmf->tag_of_task_to_be_managed & 0xff; | |
1865 | break; | |
1866 | default: | |
1867 | break; | |
1868 | } | |
1869 | } | |
1870 | ||
1871 | return 0; | |
1872 | } | |
1873 | ||
634a9585 XC |
1874 | #define TRANS_TX_ERR 0 |
1875 | #define TRANS_RX_ERR 1 | |
1876 | #define DMA_TX_ERR 2 | |
1877 | #define SIPC_RX_ERR 3 | |
1878 | #define DMA_RX_ERR 4 | |
1879 | ||
1880 | #define DMA_TX_ERR_OFF 0 | |
1881 | #define DMA_TX_ERR_MSK (0xffff << DMA_TX_ERR_OFF) | |
1882 | #define SIPC_RX_ERR_OFF 16 | |
1883 | #define SIPC_RX_ERR_MSK (0xffff << SIPC_RX_ERR_OFF) | |
1884 | ||
1885 | static int parse_trans_tx_err_code_v2_hw(u32 err_msk) | |
1886 | { | |
89b203e9 | 1887 | static const u8 trans_tx_err_code_prio[] = { |
634a9585 XC |
1888 | TRANS_TX_OPEN_FAIL_WITH_IT_NEXUS_LOSS, |
1889 | TRANS_TX_ERR_PHY_NOT_ENABLE, | |
1890 | TRANS_TX_OPEN_CNX_ERR_WRONG_DESTINATION, | |
1891 | TRANS_TX_OPEN_CNX_ERR_ZONE_VIOLATION, | |
1892 | TRANS_TX_OPEN_CNX_ERR_BY_OTHER, | |
1893 | RESERVED0, | |
1894 | TRANS_TX_OPEN_CNX_ERR_AIP_TIMEOUT, | |
1895 | TRANS_TX_OPEN_CNX_ERR_STP_RESOURCES_BUSY, | |
1896 | TRANS_TX_OPEN_CNX_ERR_PROTOCOL_NOT_SUPPORTED, | |
1897 | TRANS_TX_OPEN_CNX_ERR_CONNECTION_RATE_NOT_SUPPORTED, | |
1898 | TRANS_TX_OPEN_CNX_ERR_BAD_DESTINATION, | |
1899 | TRANS_TX_OPEN_CNX_ERR_BREAK_RCVD, | |
1900 | TRANS_TX_OPEN_CNX_ERR_LOW_PHY_POWER, | |
1901 | TRANS_TX_OPEN_CNX_ERR_PATHWAY_BLOCKED, | |
1902 | TRANS_TX_OPEN_CNX_ERR_OPEN_TIMEOUT, | |
1903 | TRANS_TX_OPEN_CNX_ERR_NO_DESTINATION, | |
1904 | TRANS_TX_OPEN_RETRY_ERR_THRESHOLD_REACHED, | |
1905 | TRANS_TX_ERR_WITH_CLOSE_PHYDISALE, | |
1906 | TRANS_TX_ERR_WITH_CLOSE_DWS_TIMEOUT, | |
1907 | TRANS_TX_ERR_WITH_CLOSE_COMINIT, | |
1908 | TRANS_TX_ERR_WITH_BREAK_TIMEOUT, | |
1909 | TRANS_TX_ERR_WITH_BREAK_REQUEST, | |
1910 | TRANS_TX_ERR_WITH_BREAK_RECEVIED, | |
1911 | TRANS_TX_ERR_WITH_CLOSE_TIMEOUT, | |
1912 | TRANS_TX_ERR_WITH_CLOSE_NORMAL, | |
1913 | TRANS_TX_ERR_WITH_NAK_RECEVIED, | |
1914 | TRANS_TX_ERR_WITH_ACK_NAK_TIMEOUT, | |
1915 | TRANS_TX_ERR_WITH_CREDIT_TIMEOUT, | |
1916 | TRANS_TX_ERR_WITH_IPTT_CONFLICT, | |
1917 | TRANS_TX_ERR_WITH_OPEN_BY_DES_OR_OTHERS, | |
1918 | TRANS_TX_ERR_WITH_WAIT_RECV_TIMEOUT, | |
1919 | }; | |
1920 | int index, i; | |
1921 | ||
1922 | for (i = 0; i < ARRAY_SIZE(trans_tx_err_code_prio); i++) { | |
1923 | index = trans_tx_err_code_prio[i] - TRANS_TX_FAIL_BASE; | |
1924 | if (err_msk & (1 << index)) | |
1925 | return trans_tx_err_code_prio[i]; | |
1926 | } | |
1927 | return -1; | |
1928 | } | |
1929 | ||
1930 | static int parse_trans_rx_err_code_v2_hw(u32 err_msk) | |
1931 | { | |
89b203e9 | 1932 | static const u8 trans_rx_err_code_prio[] = { |
634a9585 XC |
1933 | TRANS_RX_ERR_WITH_RXFRAME_CRC_ERR, |
1934 | TRANS_RX_ERR_WITH_RXFIS_8B10B_DISP_ERR, | |
1935 | TRANS_RX_ERR_WITH_RXFRAME_HAVE_ERRPRM, | |
1936 | TRANS_RX_ERR_WITH_RXFIS_DECODE_ERROR, | |
1937 | TRANS_RX_ERR_WITH_RXFIS_CRC_ERR, | |
1938 | TRANS_RX_ERR_WITH_RXFRAME_LENGTH_OVERRUN, | |
1939 | TRANS_RX_ERR_WITH_RXFIS_RX_SYNCP, | |
1940 | TRANS_RX_ERR_WITH_LINK_BUF_OVERRUN, | |
1941 | TRANS_RX_ERR_WITH_CLOSE_PHY_DISABLE, | |
1942 | TRANS_RX_ERR_WITH_CLOSE_DWS_TIMEOUT, | |
1943 | TRANS_RX_ERR_WITH_CLOSE_COMINIT, | |
1944 | TRANS_RX_ERR_WITH_BREAK_TIMEOUT, | |
1945 | TRANS_RX_ERR_WITH_BREAK_REQUEST, | |
1946 | TRANS_RX_ERR_WITH_BREAK_RECEVIED, | |
1947 | RESERVED1, | |
1948 | TRANS_RX_ERR_WITH_CLOSE_NORMAL, | |
1949 | TRANS_RX_ERR_WITH_DATA_LEN0, | |
1950 | TRANS_RX_ERR_WITH_BAD_HASH, | |
1951 | TRANS_RX_XRDY_WLEN_ZERO_ERR, | |
1952 | TRANS_RX_SSP_FRM_LEN_ERR, | |
1953 | RESERVED2, | |
1954 | RESERVED3, | |
1955 | RESERVED4, | |
1956 | RESERVED5, | |
1957 | TRANS_RX_ERR_WITH_BAD_FRM_TYPE, | |
1958 | TRANS_RX_SMP_FRM_LEN_ERR, | |
1959 | TRANS_RX_SMP_RESP_TIMEOUT_ERR, | |
1960 | RESERVED6, | |
1961 | RESERVED7, | |
1962 | RESERVED8, | |
1963 | RESERVED9, | |
1964 | TRANS_RX_R_ERR, | |
1965 | }; | |
1966 | int index, i; | |
1967 | ||
1968 | for (i = 0; i < ARRAY_SIZE(trans_rx_err_code_prio); i++) { | |
1969 | index = trans_rx_err_code_prio[i] - TRANS_RX_FAIL_BASE; | |
1970 | if (err_msk & (1 << index)) | |
1971 | return trans_rx_err_code_prio[i]; | |
1972 | } | |
1973 | return -1; | |
1974 | } | |
1975 | ||
1976 | static int parse_dma_tx_err_code_v2_hw(u32 err_msk) | |
1977 | { | |
89b203e9 | 1978 | static const u8 dma_tx_err_code_prio[] = { |
634a9585 XC |
1979 | DMA_TX_UNEXP_XFER_ERR, |
1980 | DMA_TX_UNEXP_RETRANS_ERR, | |
1981 | DMA_TX_XFER_LEN_OVERFLOW, | |
1982 | DMA_TX_XFER_OFFSET_ERR, | |
1983 | DMA_TX_RAM_ECC_ERR, | |
1984 | DMA_TX_DIF_LEN_ALIGN_ERR, | |
1985 | DMA_TX_DIF_CRC_ERR, | |
1986 | DMA_TX_DIF_APP_ERR, | |
1987 | DMA_TX_DIF_RPP_ERR, | |
1988 | DMA_TX_DATA_SGL_OVERFLOW, | |
1989 | DMA_TX_DIF_SGL_OVERFLOW, | |
1990 | }; | |
1991 | int index, i; | |
1992 | ||
1993 | for (i = 0; i < ARRAY_SIZE(dma_tx_err_code_prio); i++) { | |
1994 | index = dma_tx_err_code_prio[i] - DMA_TX_ERR_BASE; | |
1995 | err_msk = err_msk & DMA_TX_ERR_MSK; | |
1996 | if (err_msk & (1 << index)) | |
1997 | return dma_tx_err_code_prio[i]; | |
1998 | } | |
1999 | return -1; | |
2000 | } | |
2001 | ||
2002 | static int parse_sipc_rx_err_code_v2_hw(u32 err_msk) | |
2003 | { | |
89b203e9 | 2004 | static const u8 sipc_rx_err_code_prio[] = { |
634a9585 XC |
2005 | SIPC_RX_FIS_STATUS_ERR_BIT_VLD, |
2006 | SIPC_RX_PIO_WRSETUP_STATUS_DRQ_ERR, | |
2007 | SIPC_RX_FIS_STATUS_BSY_BIT_ERR, | |
2008 | SIPC_RX_WRSETUP_LEN_ODD_ERR, | |
2009 | SIPC_RX_WRSETUP_LEN_ZERO_ERR, | |
2010 | SIPC_RX_WRDATA_LEN_NOT_MATCH_ERR, | |
2011 | SIPC_RX_NCQ_WRSETUP_OFFSET_ERR, | |
2012 | SIPC_RX_NCQ_WRSETUP_AUTO_ACTIVE_ERR, | |
2013 | SIPC_RX_SATA_UNEXP_FIS_ERR, | |
2014 | SIPC_RX_WRSETUP_ESTATUS_ERR, | |
2015 | SIPC_RX_DATA_UNDERFLOW_ERR, | |
2016 | }; | |
2017 | int index, i; | |
2018 | ||
2019 | for (i = 0; i < ARRAY_SIZE(sipc_rx_err_code_prio); i++) { | |
2020 | index = sipc_rx_err_code_prio[i] - SIPC_RX_ERR_BASE; | |
2021 | err_msk = err_msk & SIPC_RX_ERR_MSK; | |
2022 | if (err_msk & (1 << (index + 0x10))) | |
2023 | return sipc_rx_err_code_prio[i]; | |
2024 | } | |
2025 | return -1; | |
2026 | } | |
2027 | ||
2028 | static int parse_dma_rx_err_code_v2_hw(u32 err_msk) | |
2029 | { | |
89b203e9 | 2030 | static const u8 dma_rx_err_code_prio[] = { |
634a9585 XC |
2031 | DMA_RX_UNKNOWN_FRM_ERR, |
2032 | DMA_RX_DATA_LEN_OVERFLOW, | |
2033 | DMA_RX_DATA_LEN_UNDERFLOW, | |
2034 | DMA_RX_DATA_OFFSET_ERR, | |
2035 | RESERVED10, | |
2036 | DMA_RX_SATA_FRAME_TYPE_ERR, | |
2037 | DMA_RX_RESP_BUF_OVERFLOW, | |
2038 | DMA_RX_UNEXP_RETRANS_RESP_ERR, | |
2039 | DMA_RX_UNEXP_NORM_RESP_ERR, | |
2040 | DMA_RX_UNEXP_RDFRAME_ERR, | |
2041 | DMA_RX_PIO_DATA_LEN_ERR, | |
2042 | DMA_RX_RDSETUP_STATUS_ERR, | |
2043 | DMA_RX_RDSETUP_STATUS_DRQ_ERR, | |
2044 | DMA_RX_RDSETUP_STATUS_BSY_ERR, | |
2045 | DMA_RX_RDSETUP_LEN_ODD_ERR, | |
2046 | DMA_RX_RDSETUP_LEN_ZERO_ERR, | |
2047 | DMA_RX_RDSETUP_LEN_OVER_ERR, | |
2048 | DMA_RX_RDSETUP_OFFSET_ERR, | |
2049 | DMA_RX_RDSETUP_ACTIVE_ERR, | |
2050 | DMA_RX_RDSETUP_ESTATUS_ERR, | |
2051 | DMA_RX_RAM_ECC_ERR, | |
2052 | DMA_RX_DIF_CRC_ERR, | |
2053 | DMA_RX_DIF_APP_ERR, | |
2054 | DMA_RX_DIF_RPP_ERR, | |
2055 | DMA_RX_DATA_SGL_OVERFLOW, | |
2056 | DMA_RX_DIF_SGL_OVERFLOW, | |
2057 | }; | |
2058 | int index, i; | |
2059 | ||
2060 | for (i = 0; i < ARRAY_SIZE(dma_rx_err_code_prio); i++) { | |
2061 | index = dma_rx_err_code_prio[i] - DMA_RX_ERR_BASE; | |
2062 | if (err_msk & (1 << index)) | |
2063 | return dma_rx_err_code_prio[i]; | |
2064 | } | |
2065 | return -1; | |
2066 | } | |
2067 | ||
e8fed0e9 JG |
2068 | /* by default, task resp is complete */ |
2069 | static void slot_err_v2_hw(struct hisi_hba *hisi_hba, | |
2070 | struct sas_task *task, | |
634a9585 XC |
2071 | struct hisi_sas_slot *slot, |
2072 | int err_phase) | |
e8fed0e9 JG |
2073 | { |
2074 | struct task_status_struct *ts = &task->task_status; | |
f557e32c XT |
2075 | struct hisi_sas_err_record_v2 *err_record = |
2076 | hisi_sas_status_buf_addr_mem(slot); | |
e8fed0e9 JG |
2077 | u32 trans_tx_fail_type = cpu_to_le32(err_record->trans_tx_fail_type); |
2078 | u32 trans_rx_fail_type = cpu_to_le32(err_record->trans_rx_fail_type); | |
2079 | u16 dma_tx_err_type = cpu_to_le16(err_record->dma_tx_err_type); | |
2080 | u16 sipc_rx_err_type = cpu_to_le16(err_record->sipc_rx_err_type); | |
2081 | u32 dma_rx_err_type = cpu_to_le32(err_record->dma_rx_err_type); | |
2082 | int error = -1; | |
2083 | ||
634a9585 XC |
2084 | if (err_phase == 1) { |
2085 | /* error in TX phase, the priority of error is: DW2 > DW0 */ | |
2086 | error = parse_dma_tx_err_code_v2_hw(dma_tx_err_type); | |
2087 | if (error == -1) | |
2088 | error = parse_trans_tx_err_code_v2_hw( | |
2089 | trans_tx_fail_type); | |
2090 | } else if (err_phase == 2) { | |
2091 | /* error in RX phase, the priority is: DW1 > DW3 > DW2 */ | |
2092 | error = parse_trans_rx_err_code_v2_hw( | |
2093 | trans_rx_fail_type); | |
2094 | if (error == -1) { | |
2095 | error = parse_dma_rx_err_code_v2_hw( | |
2096 | dma_rx_err_type); | |
2097 | if (error == -1) | |
2098 | error = parse_sipc_rx_err_code_v2_hw( | |
2099 | sipc_rx_err_type); | |
2100 | } | |
e8fed0e9 JG |
2101 | } |
2102 | ||
2103 | switch (task->task_proto) { | |
2104 | case SAS_PROTOCOL_SSP: | |
2105 | { | |
2106 | switch (error) { | |
2107 | case TRANS_TX_OPEN_CNX_ERR_NO_DESTINATION: | |
2108 | { | |
2109 | ts->stat = SAS_OPEN_REJECT; | |
2110 | ts->open_rej_reason = SAS_OREJ_NO_DEST; | |
a28b259b | 2111 | break; |
e8fed0e9 JG |
2112 | } |
2113 | case TRANS_TX_OPEN_CNX_ERR_PROTOCOL_NOT_SUPPORTED: | |
2114 | { | |
2115 | ts->stat = SAS_OPEN_REJECT; | |
2116 | ts->open_rej_reason = SAS_OREJ_EPROTO; | |
2117 | break; | |
2118 | } | |
2119 | case TRANS_TX_OPEN_CNX_ERR_CONNECTION_RATE_NOT_SUPPORTED: | |
2120 | { | |
2121 | ts->stat = SAS_OPEN_REJECT; | |
2122 | ts->open_rej_reason = SAS_OREJ_CONN_RATE; | |
2123 | break; | |
2124 | } | |
2125 | case TRANS_TX_OPEN_CNX_ERR_BAD_DESTINATION: | |
2126 | { | |
2127 | ts->stat = SAS_OPEN_REJECT; | |
2128 | ts->open_rej_reason = SAS_OREJ_BAD_DEST; | |
2129 | break; | |
2130 | } | |
e8fed0e9 JG |
2131 | case TRANS_TX_OPEN_CNX_ERR_WRONG_DESTINATION: |
2132 | { | |
2133 | ts->stat = SAS_OPEN_REJECT; | |
2134 | ts->open_rej_reason = SAS_OREJ_WRONG_DEST; | |
2135 | break; | |
2136 | } | |
634a9585 | 2137 | case DMA_RX_UNEXP_NORM_RESP_ERR: |
e8fed0e9 | 2138 | case TRANS_TX_OPEN_CNX_ERR_ZONE_VIOLATION: |
634a9585 | 2139 | case DMA_RX_RESP_BUF_OVERFLOW: |
e8fed0e9 JG |
2140 | { |
2141 | ts->stat = SAS_OPEN_REJECT; | |
2142 | ts->open_rej_reason = SAS_OREJ_UNKNOWN; | |
2143 | break; | |
2144 | } | |
2145 | case TRANS_TX_OPEN_CNX_ERR_LOW_PHY_POWER: | |
2146 | { | |
2147 | /* not sure */ | |
2148 | ts->stat = SAS_DEV_NO_RESPONSE; | |
2149 | break; | |
2150 | } | |
e8fed0e9 JG |
2151 | case DMA_RX_DATA_LEN_OVERFLOW: |
2152 | { | |
2153 | ts->stat = SAS_DATA_OVERRUN; | |
2154 | ts->residual = 0; | |
2155 | break; | |
2156 | } | |
2157 | case DMA_RX_DATA_LEN_UNDERFLOW: | |
e8fed0e9 | 2158 | { |
01b361fc | 2159 | ts->residual = trans_tx_fail_type; |
e8fed0e9 JG |
2160 | ts->stat = SAS_DATA_UNDERRUN; |
2161 | break; | |
2162 | } | |
2163 | case TRANS_TX_OPEN_FAIL_WITH_IT_NEXUS_LOSS: | |
2164 | case TRANS_TX_ERR_PHY_NOT_ENABLE: | |
2165 | case TRANS_TX_OPEN_CNX_ERR_BY_OTHER: | |
2166 | case TRANS_TX_OPEN_CNX_ERR_AIP_TIMEOUT: | |
634a9585 XC |
2167 | case TRANS_TX_OPEN_CNX_ERR_BREAK_RCVD: |
2168 | case TRANS_TX_OPEN_CNX_ERR_PATHWAY_BLOCKED: | |
2169 | case TRANS_TX_OPEN_CNX_ERR_OPEN_TIMEOUT: | |
e8fed0e9 JG |
2170 | case TRANS_TX_OPEN_RETRY_ERR_THRESHOLD_REACHED: |
2171 | case TRANS_TX_ERR_WITH_BREAK_TIMEOUT: | |
2172 | case TRANS_TX_ERR_WITH_BREAK_REQUEST: | |
2173 | case TRANS_TX_ERR_WITH_BREAK_RECEVIED: | |
2174 | case TRANS_TX_ERR_WITH_CLOSE_TIMEOUT: | |
2175 | case TRANS_TX_ERR_WITH_CLOSE_NORMAL: | |
634a9585 | 2176 | case TRANS_TX_ERR_WITH_CLOSE_PHYDISALE: |
e8fed0e9 JG |
2177 | case TRANS_TX_ERR_WITH_CLOSE_DWS_TIMEOUT: |
2178 | case TRANS_TX_ERR_WITH_CLOSE_COMINIT: | |
2179 | case TRANS_TX_ERR_WITH_NAK_RECEVIED: | |
2180 | case TRANS_TX_ERR_WITH_ACK_NAK_TIMEOUT: | |
e8fed0e9 | 2181 | case TRANS_TX_ERR_WITH_CREDIT_TIMEOUT: |
634a9585 | 2182 | case TRANS_TX_ERR_WITH_IPTT_CONFLICT: |
e8fed0e9 JG |
2183 | case TRANS_RX_ERR_WITH_RXFRAME_CRC_ERR: |
2184 | case TRANS_RX_ERR_WITH_RXFIS_8B10B_DISP_ERR: | |
2185 | case TRANS_RX_ERR_WITH_RXFRAME_HAVE_ERRPRM: | |
634a9585 | 2186 | case TRANS_RX_ERR_WITH_LINK_BUF_OVERRUN: |
e8fed0e9 JG |
2187 | case TRANS_RX_ERR_WITH_BREAK_TIMEOUT: |
2188 | case TRANS_RX_ERR_WITH_BREAK_REQUEST: | |
2189 | case TRANS_RX_ERR_WITH_BREAK_RECEVIED: | |
2190 | case TRANS_RX_ERR_WITH_CLOSE_NORMAL: | |
2191 | case TRANS_RX_ERR_WITH_CLOSE_DWS_TIMEOUT: | |
2192 | case TRANS_RX_ERR_WITH_CLOSE_COMINIT: | |
634a9585 XC |
2193 | case TRANS_TX_ERR_FRAME_TXED: |
2194 | case TRANS_RX_ERR_WITH_CLOSE_PHY_DISABLE: | |
e8fed0e9 JG |
2195 | case TRANS_RX_ERR_WITH_DATA_LEN0: |
2196 | case TRANS_RX_ERR_WITH_BAD_HASH: | |
2197 | case TRANS_RX_XRDY_WLEN_ZERO_ERR: | |
2198 | case TRANS_RX_SSP_FRM_LEN_ERR: | |
2199 | case TRANS_RX_ERR_WITH_BAD_FRM_TYPE: | |
634a9585 | 2200 | case DMA_TX_DATA_SGL_OVERFLOW: |
e8fed0e9 JG |
2201 | case DMA_TX_UNEXP_XFER_ERR: |
2202 | case DMA_TX_UNEXP_RETRANS_ERR: | |
2203 | case DMA_TX_XFER_LEN_OVERFLOW: | |
2204 | case DMA_TX_XFER_OFFSET_ERR: | |
634a9585 XC |
2205 | case SIPC_RX_DATA_UNDERFLOW_ERR: |
2206 | case DMA_RX_DATA_SGL_OVERFLOW: | |
e8fed0e9 | 2207 | case DMA_RX_DATA_OFFSET_ERR: |
634a9585 XC |
2208 | case DMA_RX_RDSETUP_LEN_ODD_ERR: |
2209 | case DMA_RX_RDSETUP_LEN_ZERO_ERR: | |
2210 | case DMA_RX_RDSETUP_LEN_OVER_ERR: | |
2211 | case DMA_RX_SATA_FRAME_TYPE_ERR: | |
e8fed0e9 JG |
2212 | case DMA_RX_UNKNOWN_FRM_ERR: |
2213 | { | |
634a9585 XC |
2214 | /* This will request a retry */ |
2215 | ts->stat = SAS_QUEUE_FULL; | |
2216 | slot->abort = 1; | |
e8fed0e9 JG |
2217 | break; |
2218 | } | |
2219 | default: | |
2220 | break; | |
2221 | } | |
2222 | } | |
2223 | break; | |
2224 | case SAS_PROTOCOL_SMP: | |
2225 | ts->stat = SAM_STAT_CHECK_CONDITION; | |
2226 | break; | |
2227 | ||
2228 | case SAS_PROTOCOL_SATA: | |
2229 | case SAS_PROTOCOL_STP: | |
2230 | case SAS_PROTOCOL_SATA | SAS_PROTOCOL_STP: | |
2231 | { | |
2232 | switch (error) { | |
e8fed0e9 | 2233 | case TRANS_TX_OPEN_CNX_ERR_NO_DESTINATION: |
634a9585 XC |
2234 | { |
2235 | ts->stat = SAS_OPEN_REJECT; | |
2236 | ts->open_rej_reason = SAS_OREJ_NO_DEST; | |
2237 | break; | |
2238 | } | |
2239 | case TRANS_TX_OPEN_CNX_ERR_LOW_PHY_POWER: | |
e8fed0e9 JG |
2240 | { |
2241 | ts->resp = SAS_TASK_UNDELIVERED; | |
2242 | ts->stat = SAS_DEV_NO_RESPONSE; | |
2243 | break; | |
2244 | } | |
2245 | case TRANS_TX_OPEN_CNX_ERR_PROTOCOL_NOT_SUPPORTED: | |
634a9585 XC |
2246 | { |
2247 | ts->stat = SAS_OPEN_REJECT; | |
2248 | ts->open_rej_reason = SAS_OREJ_EPROTO; | |
2249 | break; | |
2250 | } | |
e8fed0e9 | 2251 | case TRANS_TX_OPEN_CNX_ERR_CONNECTION_RATE_NOT_SUPPORTED: |
634a9585 XC |
2252 | { |
2253 | ts->stat = SAS_OPEN_REJECT; | |
2254 | ts->open_rej_reason = SAS_OREJ_CONN_RATE; | |
2255 | break; | |
2256 | } | |
e8fed0e9 | 2257 | case TRANS_TX_OPEN_CNX_ERR_BAD_DESTINATION: |
634a9585 XC |
2258 | { |
2259 | ts->stat = SAS_OPEN_REJECT; | |
2260 | ts->open_rej_reason = SAS_OREJ_CONN_RATE; | |
2261 | break; | |
2262 | } | |
e8fed0e9 | 2263 | case TRANS_TX_OPEN_CNX_ERR_WRONG_DESTINATION: |
e8fed0e9 JG |
2264 | { |
2265 | ts->stat = SAS_OPEN_REJECT; | |
634a9585 | 2266 | ts->open_rej_reason = SAS_OREJ_WRONG_DEST; |
e8fed0e9 JG |
2267 | break; |
2268 | } | |
634a9585 XC |
2269 | case DMA_RX_RESP_BUF_OVERFLOW: |
2270 | case DMA_RX_UNEXP_NORM_RESP_ERR: | |
2271 | case TRANS_TX_OPEN_CNX_ERR_ZONE_VIOLATION: | |
e8fed0e9 | 2272 | { |
634a9585 XC |
2273 | ts->stat = SAS_OPEN_REJECT; |
2274 | ts->open_rej_reason = SAS_OREJ_UNKNOWN; | |
e8fed0e9 JG |
2275 | break; |
2276 | } | |
2277 | case DMA_RX_DATA_LEN_OVERFLOW: | |
2278 | { | |
2279 | ts->stat = SAS_DATA_OVERRUN; | |
634a9585 XC |
2280 | ts->residual = 0; |
2281 | break; | |
2282 | } | |
2283 | case DMA_RX_DATA_LEN_UNDERFLOW: | |
2284 | { | |
01b361fc | 2285 | ts->residual = trans_tx_fail_type; |
634a9585 | 2286 | ts->stat = SAS_DATA_UNDERRUN; |
e8fed0e9 JG |
2287 | break; |
2288 | } | |
2289 | case TRANS_TX_OPEN_FAIL_WITH_IT_NEXUS_LOSS: | |
2290 | case TRANS_TX_ERR_PHY_NOT_ENABLE: | |
2291 | case TRANS_TX_OPEN_CNX_ERR_BY_OTHER: | |
2292 | case TRANS_TX_OPEN_CNX_ERR_AIP_TIMEOUT: | |
634a9585 XC |
2293 | case TRANS_TX_OPEN_CNX_ERR_BREAK_RCVD: |
2294 | case TRANS_TX_OPEN_CNX_ERR_PATHWAY_BLOCKED: | |
2295 | case TRANS_TX_OPEN_CNX_ERR_OPEN_TIMEOUT: | |
e8fed0e9 JG |
2296 | case TRANS_TX_OPEN_RETRY_ERR_THRESHOLD_REACHED: |
2297 | case TRANS_TX_ERR_WITH_BREAK_TIMEOUT: | |
2298 | case TRANS_TX_ERR_WITH_BREAK_REQUEST: | |
2299 | case TRANS_TX_ERR_WITH_BREAK_RECEVIED: | |
2300 | case TRANS_TX_ERR_WITH_CLOSE_TIMEOUT: | |
2301 | case TRANS_TX_ERR_WITH_CLOSE_NORMAL: | |
634a9585 | 2302 | case TRANS_TX_ERR_WITH_CLOSE_PHYDISALE: |
e8fed0e9 JG |
2303 | case TRANS_TX_ERR_WITH_CLOSE_DWS_TIMEOUT: |
2304 | case TRANS_TX_ERR_WITH_CLOSE_COMINIT: | |
e8fed0e9 JG |
2305 | case TRANS_TX_ERR_WITH_ACK_NAK_TIMEOUT: |
2306 | case TRANS_TX_ERR_WITH_CREDIT_TIMEOUT: | |
634a9585 | 2307 | case TRANS_TX_ERR_WITH_OPEN_BY_DES_OR_OTHERS: |
e8fed0e9 | 2308 | case TRANS_TX_ERR_WITH_WAIT_RECV_TIMEOUT: |
e8fed0e9 | 2309 | case TRANS_RX_ERR_WITH_RXFRAME_HAVE_ERRPRM: |
634a9585 | 2310 | case TRANS_RX_ERR_WITH_RXFIS_8B10B_DISP_ERR: |
e8fed0e9 JG |
2311 | case TRANS_RX_ERR_WITH_RXFIS_DECODE_ERROR: |
2312 | case TRANS_RX_ERR_WITH_RXFIS_CRC_ERR: | |
2313 | case TRANS_RX_ERR_WITH_RXFRAME_LENGTH_OVERRUN: | |
2314 | case TRANS_RX_ERR_WITH_RXFIS_RX_SYNCP: | |
634a9585 XC |
2315 | case TRANS_RX_ERR_WITH_LINK_BUF_OVERRUN: |
2316 | case TRANS_RX_ERR_WITH_BREAK_TIMEOUT: | |
2317 | case TRANS_RX_ERR_WITH_BREAK_REQUEST: | |
2318 | case TRANS_RX_ERR_WITH_BREAK_RECEVIED: | |
e8fed0e9 JG |
2319 | case TRANS_RX_ERR_WITH_CLOSE_NORMAL: |
2320 | case TRANS_RX_ERR_WITH_CLOSE_PHY_DISABLE: | |
2321 | case TRANS_RX_ERR_WITH_CLOSE_DWS_TIMEOUT: | |
2322 | case TRANS_RX_ERR_WITH_CLOSE_COMINIT: | |
2323 | case TRANS_RX_ERR_WITH_DATA_LEN0: | |
2324 | case TRANS_RX_ERR_WITH_BAD_HASH: | |
2325 | case TRANS_RX_XRDY_WLEN_ZERO_ERR: | |
634a9585 XC |
2326 | case TRANS_RX_ERR_WITH_BAD_FRM_TYPE: |
2327 | case DMA_TX_DATA_SGL_OVERFLOW: | |
2328 | case DMA_TX_UNEXP_XFER_ERR: | |
2329 | case DMA_TX_UNEXP_RETRANS_ERR: | |
2330 | case DMA_TX_XFER_LEN_OVERFLOW: | |
2331 | case DMA_TX_XFER_OFFSET_ERR: | |
e8fed0e9 JG |
2332 | case SIPC_RX_FIS_STATUS_ERR_BIT_VLD: |
2333 | case SIPC_RX_PIO_WRSETUP_STATUS_DRQ_ERR: | |
2334 | case SIPC_RX_FIS_STATUS_BSY_BIT_ERR: | |
2335 | case SIPC_RX_WRSETUP_LEN_ODD_ERR: | |
2336 | case SIPC_RX_WRSETUP_LEN_ZERO_ERR: | |
2337 | case SIPC_RX_WRDATA_LEN_NOT_MATCH_ERR: | |
2338 | case SIPC_RX_SATA_UNEXP_FIS_ERR: | |
634a9585 XC |
2339 | case DMA_RX_DATA_SGL_OVERFLOW: |
2340 | case DMA_RX_DATA_OFFSET_ERR: | |
e8fed0e9 JG |
2341 | case DMA_RX_SATA_FRAME_TYPE_ERR: |
2342 | case DMA_RX_UNEXP_RDFRAME_ERR: | |
2343 | case DMA_RX_PIO_DATA_LEN_ERR: | |
2344 | case DMA_RX_RDSETUP_STATUS_ERR: | |
2345 | case DMA_RX_RDSETUP_STATUS_DRQ_ERR: | |
2346 | case DMA_RX_RDSETUP_STATUS_BSY_ERR: | |
2347 | case DMA_RX_RDSETUP_LEN_ODD_ERR: | |
2348 | case DMA_RX_RDSETUP_LEN_ZERO_ERR: | |
2349 | case DMA_RX_RDSETUP_LEN_OVER_ERR: | |
2350 | case DMA_RX_RDSETUP_OFFSET_ERR: | |
2351 | case DMA_RX_RDSETUP_ACTIVE_ERR: | |
2352 | case DMA_RX_RDSETUP_ESTATUS_ERR: | |
2353 | case DMA_RX_UNKNOWN_FRM_ERR: | |
634a9585 XC |
2354 | case TRANS_RX_SSP_FRM_LEN_ERR: |
2355 | case TRANS_TX_OPEN_CNX_ERR_STP_RESOURCES_BUSY: | |
e8fed0e9 | 2356 | { |
634a9585 XC |
2357 | slot->abort = 1; |
2358 | ts->stat = SAS_PHY_DOWN; | |
e8fed0e9 JG |
2359 | break; |
2360 | } | |
2361 | default: | |
2362 | { | |
2363 | ts->stat = SAS_PROTO_RESPONSE; | |
2364 | break; | |
2365 | } | |
2366 | } | |
75904077 | 2367 | hisi_sas_sata_done(task, slot); |
e8fed0e9 JG |
2368 | } |
2369 | break; | |
2370 | default: | |
2371 | break; | |
2372 | } | |
2373 | } | |
2374 | ||
31a9cfa6 | 2375 | static int |
405314df | 2376 | slot_complete_v2_hw(struct hisi_hba *hisi_hba, struct hisi_sas_slot *slot) |
31a9cfa6 JG |
2377 | { |
2378 | struct sas_task *task = slot->task; | |
2379 | struct hisi_sas_device *sas_dev; | |
11b75249 | 2380 | struct device *dev = hisi_hba->dev; |
31a9cfa6 JG |
2381 | struct task_status_struct *ts; |
2382 | struct domain_device *device; | |
2383 | enum exec_status sts; | |
2384 | struct hisi_sas_complete_v2_hdr *complete_queue = | |
2385 | hisi_hba->complete_hdr[slot->cmplt_queue]; | |
2386 | struct hisi_sas_complete_v2_hdr *complete_hdr = | |
2387 | &complete_queue[slot->cmplt_queue_slot]; | |
54c9dd2d | 2388 | unsigned long flags; |
a305f337 | 2389 | int aborted; |
31a9cfa6 JG |
2390 | |
2391 | if (unlikely(!task || !task->lldd_task || !task->dev)) | |
2392 | return -EINVAL; | |
2393 | ||
2394 | ts = &task->task_status; | |
2395 | device = task->dev; | |
2396 | sas_dev = device->lldd_dev; | |
2397 | ||
54c9dd2d | 2398 | spin_lock_irqsave(&task->task_state_lock, flags); |
a305f337 | 2399 | aborted = task->task_state_flags & SAS_TASK_STATE_ABORTED; |
31a9cfa6 JG |
2400 | task->task_state_flags &= |
2401 | ~(SAS_TASK_STATE_PENDING | SAS_TASK_AT_INITIATOR); | |
54c9dd2d | 2402 | spin_unlock_irqrestore(&task->task_state_lock, flags); |
31a9cfa6 JG |
2403 | |
2404 | memset(ts, 0, sizeof(*ts)); | |
2405 | ts->resp = SAS_TASK_COMPLETE; | |
2406 | ||
a305f337 | 2407 | if (unlikely(aborted)) { |
081a1608 | 2408 | dev_dbg(dev, "slot_complete: task(%p) aborted\n", task); |
a305f337 | 2409 | ts->stat = SAS_ABORTED_TASK; |
9feaf909 | 2410 | spin_lock_irqsave(&hisi_hba->lock, flags); |
a305f337 | 2411 | hisi_sas_slot_task_free(hisi_hba, task, slot); |
9feaf909 | 2412 | spin_unlock_irqrestore(&hisi_hba->lock, flags); |
bcbc7f1c | 2413 | return ts->stat; |
a305f337 JG |
2414 | } |
2415 | ||
405314df JG |
2416 | if (unlikely(!sas_dev)) { |
2417 | dev_dbg(dev, "slot complete: port has no device\n"); | |
31a9cfa6 JG |
2418 | ts->stat = SAS_PHY_DOWN; |
2419 | goto out; | |
2420 | } | |
2421 | ||
df032d0e JG |
2422 | /* Use SAS+TMF status codes */ |
2423 | switch ((complete_hdr->dw0 & CMPLT_HDR_ABORT_STAT_MSK) | |
2424 | >> CMPLT_HDR_ABORT_STAT_OFF) { | |
2425 | case STAT_IO_ABORTED: | |
2426 | /* this io has been aborted by abort command */ | |
2427 | ts->stat = SAS_ABORTED_TASK; | |
2428 | goto out; | |
2429 | case STAT_IO_COMPLETE: | |
2430 | /* internal abort command complete */ | |
c35279f2 | 2431 | ts->stat = TMF_RESP_FUNC_SUCC; |
0844a3ff | 2432 | del_timer(&slot->internal_abort_timer); |
df032d0e JG |
2433 | goto out; |
2434 | case STAT_IO_NO_DEVICE: | |
2435 | ts->stat = TMF_RESP_FUNC_COMPLETE; | |
0844a3ff | 2436 | del_timer(&slot->internal_abort_timer); |
df032d0e JG |
2437 | goto out; |
2438 | case STAT_IO_NOT_VALID: | |
2439 | /* abort single io, controller don't find | |
2440 | * the io need to abort | |
2441 | */ | |
2442 | ts->stat = TMF_RESP_FUNC_FAILED; | |
0844a3ff | 2443 | del_timer(&slot->internal_abort_timer); |
df032d0e JG |
2444 | goto out; |
2445 | default: | |
2446 | break; | |
2447 | } | |
2448 | ||
31a9cfa6 JG |
2449 | if ((complete_hdr->dw0 & CMPLT_HDR_ERX_MSK) && |
2450 | (!(complete_hdr->dw0 & CMPLT_HDR_RSPNS_XFRD_MSK))) { | |
634a9585 XC |
2451 | u32 err_phase = (complete_hdr->dw0 & CMPLT_HDR_ERR_PHASE_MSK) |
2452 | >> CMPLT_HDR_ERR_PHASE_OFF; | |
081a1608 | 2453 | u32 *error_info = hisi_sas_status_buf_addr_mem(slot); |
634a9585 XC |
2454 | |
2455 | /* Analyse error happens on which phase TX or RX */ | |
2456 | if (ERR_ON_TX_PHASE(err_phase)) | |
2457 | slot_err_v2_hw(hisi_hba, task, slot, 1); | |
2458 | else if (ERR_ON_RX_PHASE(err_phase)) | |
2459 | slot_err_v2_hw(hisi_hba, task, slot, 2); | |
fc866951 | 2460 | |
081a1608 XC |
2461 | if (ts->stat != SAS_DATA_UNDERRUN) |
2462 | dev_info(dev, "erroneous completion iptt=%d task=%p " | |
2463 | "CQ hdr: 0x%x 0x%x 0x%x 0x%x " | |
2464 | "Error info: 0x%x 0x%x 0x%x 0x%x\n", | |
2465 | slot->idx, task, | |
2466 | complete_hdr->dw0, complete_hdr->dw1, | |
2467 | complete_hdr->act, complete_hdr->dw3, | |
2468 | error_info[0], error_info[1], | |
2469 | error_info[2], error_info[3]); | |
2470 | ||
fc866951 | 2471 | if (unlikely(slot->abort)) |
9c8ee657 | 2472 | return ts->stat; |
31a9cfa6 JG |
2473 | goto out; |
2474 | } | |
2475 | ||
2476 | switch (task->task_proto) { | |
2477 | case SAS_PROTOCOL_SSP: | |
2478 | { | |
f557e32c XT |
2479 | struct hisi_sas_status_buffer *status_buffer = |
2480 | hisi_sas_status_buf_addr_mem(slot); | |
2481 | struct ssp_response_iu *iu = (struct ssp_response_iu *) | |
2482 | &status_buffer->iu[0]; | |
31a9cfa6 JG |
2483 | |
2484 | sas_ssp_task_response(dev, task, iu); | |
2485 | break; | |
2486 | } | |
2487 | case SAS_PROTOCOL_SMP: | |
2488 | { | |
2489 | struct scatterlist *sg_resp = &task->smp_task.smp_resp; | |
2490 | void *to; | |
2491 | ||
2492 | ts->stat = SAM_STAT_GOOD; | |
2493 | to = kmap_atomic(sg_page(sg_resp)); | |
2494 | ||
2495 | dma_unmap_sg(dev, &task->smp_task.smp_resp, 1, | |
2496 | DMA_FROM_DEVICE); | |
2497 | dma_unmap_sg(dev, &task->smp_task.smp_req, 1, | |
2498 | DMA_TO_DEVICE); | |
2499 | memcpy(to + sg_resp->offset, | |
f557e32c | 2500 | hisi_sas_status_buf_addr_mem(slot) + |
31a9cfa6 JG |
2501 | sizeof(struct hisi_sas_err_record), |
2502 | sg_dma_len(sg_resp)); | |
2503 | kunmap_atomic(to); | |
2504 | break; | |
2505 | } | |
2506 | case SAS_PROTOCOL_SATA: | |
2507 | case SAS_PROTOCOL_STP: | |
2508 | case SAS_PROTOCOL_SATA | SAS_PROTOCOL_STP: | |
6f2ff1a1 JG |
2509 | { |
2510 | ts->stat = SAM_STAT_GOOD; | |
75904077 | 2511 | hisi_sas_sata_done(task, slot); |
6f2ff1a1 JG |
2512 | break; |
2513 | } | |
31a9cfa6 JG |
2514 | default: |
2515 | ts->stat = SAM_STAT_CHECK_CONDITION; | |
2516 | break; | |
2517 | } | |
2518 | ||
2519 | if (!slot->port->port_attached) { | |
081a1608 | 2520 | dev_warn(dev, "slot complete: port %d has removed\n", |
31a9cfa6 JG |
2521 | slot->port->sas_port.id); |
2522 | ts->stat = SAS_PHY_DOWN; | |
2523 | } | |
2524 | ||
2525 | out: | |
54c9dd2d | 2526 | spin_lock_irqsave(&task->task_state_lock, flags); |
fc866951 | 2527 | task->task_state_flags |= SAS_TASK_STATE_DONE; |
54c9dd2d | 2528 | spin_unlock_irqrestore(&task->task_state_lock, flags); |
b1a49412 | 2529 | spin_lock_irqsave(&hisi_hba->lock, flags); |
31a9cfa6 | 2530 | hisi_sas_slot_task_free(hisi_hba, task, slot); |
b1a49412 | 2531 | spin_unlock_irqrestore(&hisi_hba->lock, flags); |
31a9cfa6 JG |
2532 | sts = ts->stat; |
2533 | ||
2534 | if (task->task_done) | |
2535 | task->task_done(task); | |
2536 | ||
2537 | return sts; | |
2538 | } | |
2539 | ||
6f2ff1a1 JG |
2540 | static int prep_ata_v2_hw(struct hisi_hba *hisi_hba, |
2541 | struct hisi_sas_slot *slot) | |
2542 | { | |
2543 | struct sas_task *task = slot->task; | |
2544 | struct domain_device *device = task->dev; | |
2545 | struct domain_device *parent_dev = device->parent; | |
2546 | struct hisi_sas_device *sas_dev = device->lldd_dev; | |
2547 | struct hisi_sas_cmd_hdr *hdr = slot->cmd_hdr; | |
2e244f0f JG |
2548 | struct asd_sas_port *sas_port = device->port; |
2549 | struct hisi_sas_port *port = to_hisi_sas_port(sas_port); | |
6f2ff1a1 JG |
2550 | u8 *buf_cmd; |
2551 | int has_data = 0, rc = 0, hdr_tag = 0; | |
2552 | u32 dw1 = 0, dw2 = 0; | |
2553 | ||
2554 | /* create header */ | |
2555 | /* dw0 */ | |
2556 | hdr->dw0 = cpu_to_le32(port->id << CMD_HDR_PORT_OFF); | |
2557 | if (parent_dev && DEV_IS_EXPANDER(parent_dev->dev_type)) | |
2558 | hdr->dw0 |= cpu_to_le32(3 << CMD_HDR_CMD_OFF); | |
2559 | else | |
2560 | hdr->dw0 |= cpu_to_le32(4 << CMD_HDR_CMD_OFF); | |
2561 | ||
2562 | /* dw1 */ | |
2563 | switch (task->data_dir) { | |
2564 | case DMA_TO_DEVICE: | |
2565 | has_data = 1; | |
2566 | dw1 |= DIR_TO_DEVICE << CMD_HDR_DIR_OFF; | |
2567 | break; | |
2568 | case DMA_FROM_DEVICE: | |
2569 | has_data = 1; | |
2570 | dw1 |= DIR_TO_INI << CMD_HDR_DIR_OFF; | |
2571 | break; | |
2572 | default: | |
2573 | dw1 &= ~CMD_HDR_DIR_MSK; | |
2574 | } | |
2575 | ||
7c594f04 XC |
2576 | if ((task->ata_task.fis.command == ATA_CMD_DEV_RESET) && |
2577 | (task->ata_task.fis.control & ATA_SRST)) | |
6f2ff1a1 JG |
2578 | dw1 |= 1 << CMD_HDR_RESET_OFF; |
2579 | ||
6c7bb8a1 | 2580 | dw1 |= (hisi_sas_get_ata_protocol( |
ba0bb2be | 2581 | &task->ata_task.fis, task->data_dir)) |
6f2ff1a1 JG |
2582 | << CMD_HDR_FRAME_TYPE_OFF; |
2583 | dw1 |= sas_dev->device_id << CMD_HDR_DEV_ID_OFF; | |
2584 | hdr->dw1 = cpu_to_le32(dw1); | |
2585 | ||
2586 | /* dw2 */ | |
318913c6 | 2587 | if (task->ata_task.use_ncq && hisi_sas_get_ncq_tag(task, &hdr_tag)) { |
6f2ff1a1 JG |
2588 | task->ata_task.fis.sector_count |= (u8) (hdr_tag << 3); |
2589 | dw2 |= hdr_tag << CMD_HDR_NCQ_TAG_OFF; | |
2590 | } | |
2591 | ||
2592 | dw2 |= (HISI_SAS_MAX_STP_RESP_SZ / 4) << CMD_HDR_CFL_OFF | | |
2593 | 2 << CMD_HDR_SG_MOD_OFF; | |
2594 | hdr->dw2 = cpu_to_le32(dw2); | |
2595 | ||
2596 | /* dw3 */ | |
2597 | hdr->transfer_tags = cpu_to_le32(slot->idx); | |
2598 | ||
2599 | if (has_data) { | |
2600 | rc = prep_prd_sge_v2_hw(hisi_hba, slot, hdr, task->scatter, | |
2601 | slot->n_elem); | |
2602 | if (rc) | |
2603 | return rc; | |
2604 | } | |
2605 | ||
6f2ff1a1 | 2606 | hdr->data_transfer_len = cpu_to_le32(task->total_xfer_len); |
f557e32c XT |
2607 | hdr->cmd_table_addr = cpu_to_le64(hisi_sas_cmd_hdr_addr_dma(slot)); |
2608 | hdr->sts_buffer_addr = cpu_to_le64(hisi_sas_status_buf_addr_dma(slot)); | |
6f2ff1a1 | 2609 | |
f557e32c | 2610 | buf_cmd = hisi_sas_cmd_hdr_addr_mem(slot); |
6f2ff1a1 JG |
2611 | |
2612 | if (likely(!task->ata_task.device_control_reg_update)) | |
2613 | task->ata_task.fis.flags |= 0x80; /* C=1: update ATA cmd reg */ | |
2614 | /* fill in command FIS */ | |
2615 | memcpy(buf_cmd, &task->ata_task.fis, sizeof(struct host_to_dev_fis)); | |
2616 | ||
2617 | return 0; | |
2618 | } | |
2619 | ||
77570eed | 2620 | static void hisi_sas_internal_abort_quirk_timeout(struct timer_list *t) |
0844a3ff | 2621 | { |
77570eed | 2622 | struct hisi_sas_slot *slot = from_timer(slot, t, internal_abort_timer); |
0844a3ff JG |
2623 | struct hisi_sas_port *port = slot->port; |
2624 | struct asd_sas_port *asd_sas_port; | |
2625 | struct asd_sas_phy *sas_phy; | |
2626 | ||
2627 | if (!port) | |
2628 | return; | |
2629 | ||
2630 | asd_sas_port = &port->sas_port; | |
2631 | ||
2632 | /* Kick the hardware - send break command */ | |
2633 | list_for_each_entry(sas_phy, &asd_sas_port->phy_list, port_phy_el) { | |
2634 | struct hisi_sas_phy *phy = sas_phy->lldd_phy; | |
2635 | struct hisi_hba *hisi_hba = phy->hisi_hba; | |
2636 | int phy_no = sas_phy->id; | |
2637 | u32 link_dfx2; | |
2638 | ||
2639 | link_dfx2 = hisi_sas_phy_read32(hisi_hba, phy_no, LINK_DFX2); | |
2640 | if ((link_dfx2 == LINK_DFX2_RCVR_HOLD_STS_MSK) || | |
2641 | (link_dfx2 & LINK_DFX2_SEND_HOLD_STS_MSK)) { | |
2642 | u32 txid_auto; | |
2643 | ||
2644 | txid_auto = hisi_sas_phy_read32(hisi_hba, phy_no, | |
2645 | TXID_AUTO); | |
2646 | txid_auto |= TXID_AUTO_CTB_MSK; | |
2647 | hisi_sas_phy_write32(hisi_hba, phy_no, TXID_AUTO, | |
2648 | txid_auto); | |
2649 | return; | |
2650 | } | |
2651 | } | |
2652 | } | |
2653 | ||
a3e665d9 JG |
2654 | static int prep_abort_v2_hw(struct hisi_hba *hisi_hba, |
2655 | struct hisi_sas_slot *slot, | |
2656 | int device_id, int abort_flag, int tag_to_abort) | |
2657 | { | |
2658 | struct sas_task *task = slot->task; | |
2659 | struct domain_device *dev = task->dev; | |
2660 | struct hisi_sas_cmd_hdr *hdr = slot->cmd_hdr; | |
2661 | struct hisi_sas_port *port = slot->port; | |
0844a3ff JG |
2662 | struct timer_list *timer = &slot->internal_abort_timer; |
2663 | ||
2664 | /* setup the quirk timer */ | |
77570eed | 2665 | timer_setup(timer, hisi_sas_internal_abort_quirk_timeout, 0); |
0844a3ff JG |
2666 | /* Set the timeout to 10ms less than internal abort timeout */ |
2667 | mod_timer(timer, jiffies + msecs_to_jiffies(100)); | |
a3e665d9 JG |
2668 | |
2669 | /* dw0 */ | |
2670 | hdr->dw0 = cpu_to_le32((5 << CMD_HDR_CMD_OFF) | /*abort*/ | |
2671 | (port->id << CMD_HDR_PORT_OFF) | | |
bcbc7f1c | 2672 | (dev_is_sata(dev) << |
a3e665d9 JG |
2673 | CMD_HDR_ABORT_DEVICE_TYPE_OFF) | |
2674 | (abort_flag << CMD_HDR_ABORT_FLAG_OFF)); | |
2675 | ||
2676 | /* dw1 */ | |
2677 | hdr->dw1 = cpu_to_le32(device_id << CMD_HDR_DEV_ID_OFF); | |
2678 | ||
2679 | /* dw7 */ | |
2680 | hdr->dw7 = cpu_to_le32(tag_to_abort << CMD_HDR_ABORT_IPTT_OFF); | |
2681 | hdr->transfer_tags = cpu_to_le32(slot->idx); | |
2682 | ||
2683 | return 0; | |
2684 | } | |
2685 | ||
7911e66f JG |
2686 | static int phy_up_v2_hw(int phy_no, struct hisi_hba *hisi_hba) |
2687 | { | |
981843c6 | 2688 | int i, res = IRQ_HANDLED; |
c57eb4e4 | 2689 | u32 port_id, link_rate; |
7911e66f JG |
2690 | struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no]; |
2691 | struct asd_sas_phy *sas_phy = &phy->sas_phy; | |
11b75249 | 2692 | struct device *dev = hisi_hba->dev; |
7911e66f JG |
2693 | u32 *frame_rcvd = (u32 *)sas_phy->frame_rcvd; |
2694 | struct sas_identify_frame *id = (struct sas_identify_frame *)frame_rcvd; | |
2695 | ||
2696 | hisi_sas_phy_write32(hisi_hba, phy_no, PHYCTRL_PHY_ENA_MSK, 1); | |
2697 | ||
4935933e | 2698 | if (is_sata_phy_v2_hw(hisi_hba, phy_no)) |
7911e66f JG |
2699 | goto end; |
2700 | ||
2701 | if (phy_no == 8) { | |
2702 | u32 port_state = hisi_sas_read32(hisi_hba, PORT_STATE); | |
2703 | ||
2704 | port_id = (port_state & PORT_STATE_PHY8_PORT_NUM_MSK) >> | |
2705 | PORT_STATE_PHY8_PORT_NUM_OFF; | |
2706 | link_rate = (port_state & PORT_STATE_PHY8_CONN_RATE_MSK) >> | |
2707 | PORT_STATE_PHY8_CONN_RATE_OFF; | |
2708 | } else { | |
2709 | port_id = hisi_sas_read32(hisi_hba, PHY_PORT_NUM_MA); | |
2710 | port_id = (port_id >> (4 * phy_no)) & 0xf; | |
2711 | link_rate = hisi_sas_read32(hisi_hba, PHY_CONN_RATE); | |
2712 | link_rate = (link_rate >> (phy_no * 4)) & 0xf; | |
2713 | } | |
2714 | ||
2715 | if (port_id == 0xf) { | |
2716 | dev_err(dev, "phyup: phy%d invalid portid\n", phy_no); | |
2717 | res = IRQ_NONE; | |
2718 | goto end; | |
2719 | } | |
2720 | ||
2721 | for (i = 0; i < 6; i++) { | |
2722 | u32 idaf = hisi_sas_phy_read32(hisi_hba, phy_no, | |
2723 | RX_IDAF_DWORD0 + (i * 4)); | |
2724 | frame_rcvd[i] = __swab32(idaf); | |
2725 | } | |
2726 | ||
7911e66f | 2727 | sas_phy->linkrate = link_rate; |
7911e66f JG |
2728 | sas_phy->oob_mode = SAS_OOB_MODE; |
2729 | memcpy(sas_phy->attached_sas_addr, &id->sas_addr, SAS_ADDR_SIZE); | |
2730 | dev_info(dev, "phyup: phy%d link_rate=%d\n", phy_no, link_rate); | |
2731 | phy->port_id = port_id; | |
2732 | phy->phy_type &= ~(PORT_TYPE_SAS | PORT_TYPE_SATA); | |
2733 | phy->phy_type |= PORT_TYPE_SAS; | |
2734 | phy->phy_attached = 1; | |
2735 | phy->identify.device_type = id->dev_type; | |
2736 | phy->frame_rcvd_size = sizeof(struct sas_identify_frame); | |
2737 | if (phy->identify.device_type == SAS_END_DEVICE) | |
2738 | phy->identify.target_port_protocols = | |
2739 | SAS_PROTOCOL_SSP; | |
f2f89c32 | 2740 | else if (phy->identify.device_type != SAS_PHY_UNUSED) { |
7911e66f JG |
2741 | phy->identify.target_port_protocols = |
2742 | SAS_PROTOCOL_SMP; | |
f2f89c32 XC |
2743 | if (!timer_pending(&hisi_hba->timer)) |
2744 | set_link_timer_quirk(hisi_hba); | |
2745 | } | |
320cd6f1 | 2746 | hisi_sas_notify_phy_event(phy, HISI_PHYE_PHY_UP); |
7911e66f JG |
2747 | |
2748 | end: | |
2749 | hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0, | |
2750 | CHL_INT0_SL_PHY_ENABLE_MSK); | |
2751 | hisi_sas_phy_write32(hisi_hba, phy_no, PHYCTRL_PHY_ENA_MSK, 0); | |
2752 | ||
2753 | return res; | |
2754 | } | |
2755 | ||
f2f89c32 XC |
2756 | static bool check_any_wideports_v2_hw(struct hisi_hba *hisi_hba) |
2757 | { | |
2758 | u32 port_state; | |
2759 | ||
2760 | port_state = hisi_sas_read32(hisi_hba, PORT_STATE); | |
2761 | if (port_state & 0x1ff) | |
2762 | return true; | |
2763 | ||
2764 | return false; | |
2765 | } | |
2766 | ||
5473c060 JG |
2767 | static int phy_down_v2_hw(int phy_no, struct hisi_hba *hisi_hba) |
2768 | { | |
9c81e2cf | 2769 | u32 phy_state, sl_ctrl, txid_auto; |
f2f89c32 XC |
2770 | struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no]; |
2771 | struct hisi_sas_port *port = phy->port; | |
081a1608 | 2772 | struct device *dev = hisi_hba->dev; |
5473c060 JG |
2773 | |
2774 | hisi_sas_phy_write32(hisi_hba, phy_no, PHYCTRL_NOT_RDY_MSK, 1); | |
2775 | ||
5473c060 | 2776 | phy_state = hisi_sas_read32(hisi_hba, PHY_STATE); |
081a1608 | 2777 | dev_info(dev, "phydown: phy%d phy_state=0x%x\n", phy_no, phy_state); |
5473c060 JG |
2778 | hisi_sas_phy_down(hisi_hba, phy_no, (phy_state & 1 << phy_no) ? 1 : 0); |
2779 | ||
9c81e2cf JG |
2780 | sl_ctrl = hisi_sas_phy_read32(hisi_hba, phy_no, SL_CONTROL); |
2781 | hisi_sas_phy_write32(hisi_hba, phy_no, SL_CONTROL, | |
2782 | sl_ctrl & ~SL_CONTROL_CTA_MSK); | |
f2f89c32 XC |
2783 | if (port && !get_wideport_bitmap_v2_hw(hisi_hba, port->id)) |
2784 | if (!check_any_wideports_v2_hw(hisi_hba) && | |
2785 | timer_pending(&hisi_hba->timer)) | |
2786 | del_timer(&hisi_hba->timer); | |
9c81e2cf JG |
2787 | |
2788 | txid_auto = hisi_sas_phy_read32(hisi_hba, phy_no, TXID_AUTO); | |
2789 | hisi_sas_phy_write32(hisi_hba, phy_no, TXID_AUTO, | |
2790 | txid_auto | TXID_AUTO_CT3_MSK); | |
2791 | ||
5473c060 JG |
2792 | hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0, CHL_INT0_NOT_RDY_MSK); |
2793 | hisi_sas_phy_write32(hisi_hba, phy_no, PHYCTRL_NOT_RDY_MSK, 0); | |
2794 | ||
981843c6 | 2795 | return IRQ_HANDLED; |
5473c060 JG |
2796 | } |
2797 | ||
7911e66f JG |
2798 | static irqreturn_t int_phy_updown_v2_hw(int irq_no, void *p) |
2799 | { | |
2800 | struct hisi_hba *hisi_hba = p; | |
2801 | u32 irq_msk; | |
2802 | int phy_no = 0; | |
c16db736 | 2803 | irqreturn_t res = IRQ_NONE; |
7911e66f JG |
2804 | |
2805 | irq_msk = (hisi_sas_read32(hisi_hba, HGC_INVLD_DQE_INFO) | |
2806 | >> HGC_INVLD_DQE_INFO_FB_CH0_OFF) & 0x1ff; | |
2807 | while (irq_msk) { | |
2808 | if (irq_msk & 1) { | |
981843c6 XT |
2809 | u32 reg_value = hisi_sas_phy_read32(hisi_hba, phy_no, |
2810 | CHL_INT0); | |
2811 | ||
2812 | switch (reg_value & (CHL_INT0_NOT_RDY_MSK | | |
2813 | CHL_INT0_SL_PHY_ENABLE_MSK)) { | |
7911e66f | 2814 | |
981843c6 | 2815 | case CHL_INT0_SL_PHY_ENABLE_MSK: |
7911e66f | 2816 | /* phy up */ |
981843c6 | 2817 | if (phy_up_v2_hw(phy_no, hisi_hba) == |
c16db736 XC |
2818 | IRQ_HANDLED) |
2819 | res = IRQ_HANDLED; | |
981843c6 | 2820 | break; |
7911e66f | 2821 | |
981843c6 | 2822 | case CHL_INT0_NOT_RDY_MSK: |
5473c060 | 2823 | /* phy down */ |
981843c6 | 2824 | if (phy_down_v2_hw(phy_no, hisi_hba) == |
c16db736 XC |
2825 | IRQ_HANDLED) |
2826 | res = IRQ_HANDLED; | |
981843c6 XT |
2827 | break; |
2828 | ||
2829 | case (CHL_INT0_NOT_RDY_MSK | | |
2830 | CHL_INT0_SL_PHY_ENABLE_MSK): | |
2831 | reg_value = hisi_sas_read32(hisi_hba, | |
2832 | PHY_STATE); | |
2833 | if (reg_value & BIT(phy_no)) { | |
2834 | /* phy up */ | |
2835 | if (phy_up_v2_hw(phy_no, hisi_hba) == | |
c16db736 XC |
2836 | IRQ_HANDLED) |
2837 | res = IRQ_HANDLED; | |
981843c6 XT |
2838 | } else { |
2839 | /* phy down */ | |
2840 | if (phy_down_v2_hw(phy_no, hisi_hba) == | |
c16db736 XC |
2841 | IRQ_HANDLED) |
2842 | res = IRQ_HANDLED; | |
5473c060 | 2843 | } |
981843c6 XT |
2844 | break; |
2845 | ||
2846 | default: | |
2847 | break; | |
2848 | } | |
2849 | ||
7911e66f JG |
2850 | } |
2851 | irq_msk >>= 1; | |
2852 | phy_no++; | |
2853 | } | |
2854 | ||
c16db736 | 2855 | return res; |
7911e66f JG |
2856 | } |
2857 | ||
d3bf3d84 JG |
2858 | static void phy_bcast_v2_hw(int phy_no, struct hisi_hba *hisi_hba) |
2859 | { | |
2860 | struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no]; | |
2861 | struct asd_sas_phy *sas_phy = &phy->sas_phy; | |
2862 | struct sas_ha_struct *sas_ha = &hisi_hba->sha; | |
85080a25 | 2863 | u32 bcast_status; |
d3bf3d84 JG |
2864 | |
2865 | hisi_sas_phy_write32(hisi_hba, phy_no, SL_RX_BCAST_CHK_MSK, 1); | |
85080a25 XC |
2866 | bcast_status = hisi_sas_phy_read32(hisi_hba, phy_no, RX_PRIMS_STATUS); |
2867 | if (bcast_status & RX_BCAST_CHG_MSK) | |
2868 | sas_ha->notify_port_event(sas_phy, PORTE_BROADCAST_RCVD); | |
d3bf3d84 JG |
2869 | hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0, |
2870 | CHL_INT0_SL_RX_BCST_ACK_MSK); | |
2871 | hisi_sas_phy_write32(hisi_hba, phy_no, SL_RX_BCAST_CHK_MSK, 0); | |
2872 | } | |
2873 | ||
9dd1d620 XT |
2874 | static const struct hisi_sas_hw_error port_ecc_axi_error[] = { |
2875 | { | |
2876 | .irq_msk = BIT(CHL_INT1_DMAC_TX_ECC_ERR_OFF), | |
2877 | .msg = "dmac_tx_ecc_bad_err", | |
2878 | }, | |
2879 | { | |
2880 | .irq_msk = BIT(CHL_INT1_DMAC_RX_ECC_ERR_OFF), | |
2881 | .msg = "dmac_rx_ecc_bad_err", | |
2882 | }, | |
2883 | { | |
2884 | .irq_msk = BIT(CHL_INT1_DMAC_TX_AXI_WR_ERR_OFF), | |
2885 | .msg = "dma_tx_axi_wr_err", | |
2886 | }, | |
2887 | { | |
2888 | .irq_msk = BIT(CHL_INT1_DMAC_TX_AXI_RD_ERR_OFF), | |
2889 | .msg = "dma_tx_axi_rd_err", | |
2890 | }, | |
2891 | { | |
2892 | .irq_msk = BIT(CHL_INT1_DMAC_RX_AXI_WR_ERR_OFF), | |
2893 | .msg = "dma_rx_axi_wr_err", | |
2894 | }, | |
2895 | { | |
2896 | .irq_msk = BIT(CHL_INT1_DMAC_RX_AXI_RD_ERR_OFF), | |
2897 | .msg = "dma_rx_axi_rd_err", | |
2898 | }, | |
2899 | }; | |
2900 | ||
d3bf3d84 JG |
2901 | static irqreturn_t int_chnl_int_v2_hw(int irq_no, void *p) |
2902 | { | |
2903 | struct hisi_hba *hisi_hba = p; | |
11b75249 | 2904 | struct device *dev = hisi_hba->dev; |
d3bf3d84 JG |
2905 | u32 ent_msk, ent_tmp, irq_msk; |
2906 | int phy_no = 0; | |
2907 | ||
2908 | ent_msk = hisi_sas_read32(hisi_hba, ENT_INT_SRC_MSK3); | |
2909 | ent_tmp = ent_msk; | |
2910 | ent_msk |= ENT_INT_SRC_MSK3_ENT95_MSK_MSK; | |
2911 | hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK3, ent_msk); | |
2912 | ||
2913 | irq_msk = (hisi_sas_read32(hisi_hba, HGC_INVLD_DQE_INFO) >> | |
2914 | HGC_INVLD_DQE_INFO_FB_CH3_OFF) & 0x1ff; | |
2915 | ||
2916 | while (irq_msk) { | |
af00d159 XT |
2917 | u32 irq_value0 = hisi_sas_phy_read32(hisi_hba, phy_no, |
2918 | CHL_INT0); | |
2919 | u32 irq_value1 = hisi_sas_phy_read32(hisi_hba, phy_no, | |
2920 | CHL_INT1); | |
2921 | u32 irq_value2 = hisi_sas_phy_read32(hisi_hba, phy_no, | |
2922 | CHL_INT2); | |
2923 | ||
2924 | if ((irq_msk & (1 << phy_no)) && irq_value1) { | |
9dd1d620 XT |
2925 | int i; |
2926 | ||
2927 | for (i = 0; i < ARRAY_SIZE(port_ecc_axi_error); i++) { | |
2928 | const struct hisi_sas_hw_error *error = | |
2929 | &port_ecc_axi_error[i]; | |
2930 | ||
2931 | if (!(irq_value1 & error->irq_msk)) | |
2932 | continue; | |
2933 | ||
2934 | dev_warn(dev, "%s error (phy%d 0x%x) found!\n", | |
2935 | error->msg, phy_no, irq_value1); | |
2936 | queue_work(hisi_hba->wq, &hisi_hba->rst_work); | |
2937 | } | |
d3bf3d84 | 2938 | |
af00d159 XT |
2939 | hisi_sas_phy_write32(hisi_hba, phy_no, |
2940 | CHL_INT1, irq_value1); | |
2941 | } | |
d3bf3d84 | 2942 | |
066312f6 XT |
2943 | if ((irq_msk & (1 << phy_no)) && irq_value2) { |
2944 | struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no]; | |
2945 | ||
2946 | if (irq_value2 & BIT(CHL_INT2_SL_IDAF_TOUT_CONF_OFF)) { | |
2947 | dev_warn(dev, "phy%d identify timeout\n", | |
2948 | phy_no); | |
2949 | hisi_sas_notify_phy_event(phy, | |
2950 | HISI_PHYE_LINK_RESET); | |
2951 | } | |
d3bf3d84 | 2952 | |
066312f6 XT |
2953 | hisi_sas_phy_write32(hisi_hba, phy_no, |
2954 | CHL_INT2, irq_value2); | |
2955 | } | |
d3bf3d84 | 2956 | |
af00d159 XT |
2957 | if ((irq_msk & (1 << phy_no)) && irq_value0) { |
2958 | if (irq_value0 & CHL_INT0_SL_RX_BCST_ACK_MSK) | |
2959 | phy_bcast_v2_hw(phy_no, hisi_hba); | |
2960 | ||
2961 | hisi_sas_phy_write32(hisi_hba, phy_no, | |
2962 | CHL_INT0, irq_value0 | |
2963 | & (~CHL_INT0_HOTPLUG_TOUT_MSK) | |
2964 | & (~CHL_INT0_SL_PHY_ENABLE_MSK) | |
2965 | & (~CHL_INT0_NOT_RDY_MSK)); | |
d3bf3d84 JG |
2966 | } |
2967 | irq_msk &= ~(1 << phy_no); | |
2968 | phy_no++; | |
2969 | } | |
2970 | ||
2971 | hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK3, ent_tmp); | |
2972 | ||
2973 | return IRQ_HANDLED; | |
2974 | } | |
2975 | ||
d3b688d3 XC |
2976 | static void |
2977 | one_bit_ecc_error_process_v2_hw(struct hisi_hba *hisi_hba, u32 irq_value) | |
2978 | { | |
11b75249 | 2979 | struct device *dev = hisi_hba->dev; |
2b383351 JG |
2980 | const struct hisi_sas_hw_error *ecc_error; |
2981 | u32 val; | |
2982 | int i; | |
d3b688d3 | 2983 | |
2b383351 JG |
2984 | for (i = 0; i < ARRAY_SIZE(one_bit_ecc_errors); i++) { |
2985 | ecc_error = &one_bit_ecc_errors[i]; | |
2986 | if (irq_value & ecc_error->irq_msk) { | |
2987 | val = hisi_sas_read32(hisi_hba, ecc_error->reg); | |
2988 | val &= ecc_error->msk; | |
2989 | val >>= ecc_error->shift; | |
2990 | dev_warn(dev, ecc_error->msg, val); | |
2991 | } | |
d3b688d3 | 2992 | } |
d3b688d3 XC |
2993 | } |
2994 | ||
2995 | static void multi_bit_ecc_error_process_v2_hw(struct hisi_hba *hisi_hba, | |
2996 | u32 irq_value) | |
2997 | { | |
11b75249 | 2998 | struct device *dev = hisi_hba->dev; |
2b383351 JG |
2999 | const struct hisi_sas_hw_error *ecc_error; |
3000 | u32 val; | |
3001 | int i; | |
d3b688d3 | 3002 | |
2b383351 JG |
3003 | for (i = 0; i < ARRAY_SIZE(multi_bit_ecc_errors); i++) { |
3004 | ecc_error = &multi_bit_ecc_errors[i]; | |
3005 | if (irq_value & ecc_error->irq_msk) { | |
3006 | val = hisi_sas_read32(hisi_hba, ecc_error->reg); | |
3007 | val &= ecc_error->msk; | |
3008 | val >>= ecc_error->shift; | |
081a1608 | 3009 | dev_err(dev, ecc_error->msg, irq_value, val); |
2b383351 JG |
3010 | queue_work(hisi_hba->wq, &hisi_hba->rst_work); |
3011 | } | |
d3b688d3 XC |
3012 | } |
3013 | ||
e281f42f | 3014 | return; |
d3b688d3 XC |
3015 | } |
3016 | ||
3017 | static irqreturn_t fatal_ecc_int_v2_hw(int irq_no, void *p) | |
3018 | { | |
3019 | struct hisi_hba *hisi_hba = p; | |
3020 | u32 irq_value, irq_msk; | |
3021 | ||
3022 | irq_msk = hisi_sas_read32(hisi_hba, SAS_ECC_INTR_MSK); | |
3023 | hisi_sas_write32(hisi_hba, SAS_ECC_INTR_MSK, irq_msk | 0xffffffff); | |
3024 | ||
3025 | irq_value = hisi_sas_read32(hisi_hba, SAS_ECC_INTR); | |
3026 | if (irq_value) { | |
3027 | one_bit_ecc_error_process_v2_hw(hisi_hba, irq_value); | |
3028 | multi_bit_ecc_error_process_v2_hw(hisi_hba, irq_value); | |
3029 | } | |
3030 | ||
3031 | hisi_sas_write32(hisi_hba, SAS_ECC_INTR, irq_value); | |
3032 | hisi_sas_write32(hisi_hba, SAS_ECC_INTR_MSK, irq_msk); | |
3033 | ||
3034 | return IRQ_HANDLED; | |
3035 | } | |
3036 | ||
729428ca SJ |
3037 | static const struct hisi_sas_hw_error axi_error[] = { |
3038 | { .msk = BIT(0), .msg = "IOST_AXI_W_ERR" }, | |
3039 | { .msk = BIT(1), .msg = "IOST_AXI_R_ERR" }, | |
3040 | { .msk = BIT(2), .msg = "ITCT_AXI_W_ERR" }, | |
3041 | { .msk = BIT(3), .msg = "ITCT_AXI_R_ERR" }, | |
3042 | { .msk = BIT(4), .msg = "SATA_AXI_W_ERR" }, | |
3043 | { .msk = BIT(5), .msg = "SATA_AXI_R_ERR" }, | |
3044 | { .msk = BIT(6), .msg = "DQE_AXI_R_ERR" }, | |
3045 | { .msk = BIT(7), .msg = "CQE_AXI_W_ERR" }, | |
3046 | {}, | |
d3b688d3 XC |
3047 | }; |
3048 | ||
729428ca SJ |
3049 | static const struct hisi_sas_hw_error fifo_error[] = { |
3050 | { .msk = BIT(8), .msg = "CQE_WINFO_FIFO" }, | |
3051 | { .msk = BIT(9), .msg = "CQE_MSG_FIFIO" }, | |
3052 | { .msk = BIT(10), .msg = "GETDQE_FIFO" }, | |
3053 | { .msk = BIT(11), .msg = "CMDP_FIFO" }, | |
3054 | { .msk = BIT(12), .msg = "AWTCTRL_FIFO" }, | |
3055 | {}, | |
d3b688d3 XC |
3056 | }; |
3057 | ||
729428ca SJ |
3058 | static const struct hisi_sas_hw_error fatal_axi_errors[] = { |
3059 | { | |
3060 | .irq_msk = BIT(ENT_INT_SRC3_WP_DEPTH_OFF), | |
3061 | .msg = "write pointer and depth", | |
3062 | }, | |
3063 | { | |
3064 | .irq_msk = BIT(ENT_INT_SRC3_IPTT_SLOT_NOMATCH_OFF), | |
3065 | .msg = "iptt no match slot", | |
3066 | }, | |
3067 | { | |
3068 | .irq_msk = BIT(ENT_INT_SRC3_RP_DEPTH_OFF), | |
3069 | .msg = "read pointer and depth", | |
3070 | }, | |
3071 | { | |
3072 | .irq_msk = BIT(ENT_INT_SRC3_AXI_OFF), | |
3073 | .reg = HGC_AXI_FIFO_ERR_INFO, | |
3074 | .sub = axi_error, | |
3075 | }, | |
3076 | { | |
3077 | .irq_msk = BIT(ENT_INT_SRC3_FIFO_OFF), | |
3078 | .reg = HGC_AXI_FIFO_ERR_INFO, | |
3079 | .sub = fifo_error, | |
3080 | }, | |
3081 | { | |
3082 | .irq_msk = BIT(ENT_INT_SRC3_LM_OFF), | |
3083 | .msg = "LM add/fetch list", | |
3084 | }, | |
3085 | { | |
3086 | .irq_msk = BIT(ENT_INT_SRC3_ABT_OFF), | |
3087 | .msg = "SAS_HGC_ABT fetch LM list", | |
3088 | }, | |
d3b688d3 XC |
3089 | }; |
3090 | ||
3091 | static irqreturn_t fatal_axi_int_v2_hw(int irq_no, void *p) | |
3092 | { | |
3093 | struct hisi_hba *hisi_hba = p; | |
3094 | u32 irq_value, irq_msk, err_value; | |
11b75249 | 3095 | struct device *dev = hisi_hba->dev; |
729428ca SJ |
3096 | const struct hisi_sas_hw_error *axi_error; |
3097 | int i; | |
d3b688d3 XC |
3098 | |
3099 | irq_msk = hisi_sas_read32(hisi_hba, ENT_INT_SRC_MSK3); | |
3100 | hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK3, irq_msk | 0xfffffffe); | |
3101 | ||
3102 | irq_value = hisi_sas_read32(hisi_hba, ENT_INT_SRC3); | |
d3b688d3 | 3103 | |
729428ca SJ |
3104 | for (i = 0; i < ARRAY_SIZE(fatal_axi_errors); i++) { |
3105 | axi_error = &fatal_axi_errors[i]; | |
3106 | if (!(irq_value & axi_error->irq_msk)) | |
3107 | continue; | |
d3b688d3 | 3108 | |
729428ca SJ |
3109 | hisi_sas_write32(hisi_hba, ENT_INT_SRC3, |
3110 | 1 << axi_error->shift); | |
3111 | if (axi_error->sub) { | |
3112 | const struct hisi_sas_hw_error *sub = axi_error->sub; | |
3113 | ||
3114 | err_value = hisi_sas_read32(hisi_hba, axi_error->reg); | |
3115 | for (; sub->msk || sub->msg; sub++) { | |
3116 | if (!(err_value & sub->msk)) | |
3117 | continue; | |
081a1608 | 3118 | dev_err(dev, "%s (0x%x) found!\n", |
729428ca SJ |
3119 | sub->msg, irq_value); |
3120 | queue_work(hisi_hba->wq, &hisi_hba->rst_work); | |
d3b688d3 | 3121 | } |
729428ca | 3122 | } else { |
081a1608 | 3123 | dev_err(dev, "%s (0x%x) found!\n", |
729428ca | 3124 | axi_error->msg, irq_value); |
e281f42f | 3125 | queue_work(hisi_hba->wq, &hisi_hba->rst_work); |
d3b688d3 | 3126 | } |
729428ca | 3127 | } |
640acc9a | 3128 | |
729428ca SJ |
3129 | if (irq_value & BIT(ENT_INT_SRC3_ITC_INT_OFF)) { |
3130 | u32 reg_val = hisi_sas_read32(hisi_hba, ITCT_CLR); | |
3131 | u32 dev_id = reg_val & ITCT_DEV_MSK; | |
3132 | struct hisi_sas_device *sas_dev = &hisi_hba->devices[dev_id]; | |
640acc9a | 3133 | |
729428ca SJ |
3134 | hisi_sas_write32(hisi_hba, ITCT_CLR, 0); |
3135 | dev_dbg(dev, "clear ITCT ok\n"); | |
3136 | complete(sas_dev->completion); | |
d3b688d3 XC |
3137 | } |
3138 | ||
640acc9a | 3139 | hisi_sas_write32(hisi_hba, ENT_INT_SRC3, irq_value); |
d3b688d3 XC |
3140 | hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK3, irq_msk); |
3141 | ||
3142 | return IRQ_HANDLED; | |
3143 | } | |
3144 | ||
d177c408 | 3145 | static void cq_tasklet_v2_hw(unsigned long val) |
31a9cfa6 | 3146 | { |
d177c408 | 3147 | struct hisi_sas_cq *cq = (struct hisi_sas_cq *)val; |
31a9cfa6 JG |
3148 | struct hisi_hba *hisi_hba = cq->hisi_hba; |
3149 | struct hisi_sas_slot *slot; | |
3150 | struct hisi_sas_itct *itct; | |
3151 | struct hisi_sas_complete_v2_hdr *complete_queue; | |
d177c408 | 3152 | u32 rd_point = cq->rd_point, wr_point, dev_id; |
31a9cfa6 | 3153 | int queue = cq->id; |
b1a49412 | 3154 | struct hisi_sas_dq *dq = &hisi_hba->dq[queue]; |
31a9cfa6 | 3155 | |
c7b9d369 XT |
3156 | if (unlikely(hisi_hba->reject_stp_links_msk)) |
3157 | phys_try_accept_stp_links_v2_hw(hisi_hba); | |
3158 | ||
31a9cfa6 | 3159 | complete_queue = hisi_hba->complete_hdr[queue]; |
31a9cfa6 | 3160 | |
b1a49412 | 3161 | spin_lock(&dq->lock); |
31a9cfa6 JG |
3162 | wr_point = hisi_sas_read32(hisi_hba, COMPL_Q_0_WR_PTR + |
3163 | (0x14 * queue)); | |
3164 | ||
3165 | while (rd_point != wr_point) { | |
3166 | struct hisi_sas_complete_v2_hdr *complete_hdr; | |
3167 | int iptt; | |
3168 | ||
3169 | complete_hdr = &complete_queue[rd_point]; | |
3170 | ||
3171 | /* Check for NCQ completion */ | |
3172 | if (complete_hdr->act) { | |
3173 | u32 act_tmp = complete_hdr->act; | |
3174 | int ncq_tag_count = ffs(act_tmp); | |
3175 | ||
3176 | dev_id = (complete_hdr->dw1 & CMPLT_HDR_DEV_ID_MSK) >> | |
3177 | CMPLT_HDR_DEV_ID_OFF; | |
3178 | itct = &hisi_hba->itct[dev_id]; | |
3179 | ||
3180 | /* The NCQ tags are held in the itct header */ | |
3181 | while (ncq_tag_count) { | |
3182 | __le64 *ncq_tag = &itct->qw4_15[0]; | |
3183 | ||
3184 | ncq_tag_count -= 1; | |
3185 | iptt = (ncq_tag[ncq_tag_count / 5] | |
3186 | >> (ncq_tag_count % 5) * 12) & 0xfff; | |
3187 | ||
3188 | slot = &hisi_hba->slot_info[iptt]; | |
3189 | slot->cmplt_queue_slot = rd_point; | |
3190 | slot->cmplt_queue = queue; | |
405314df | 3191 | slot_complete_v2_hw(hisi_hba, slot); |
31a9cfa6 JG |
3192 | |
3193 | act_tmp &= ~(1 << ncq_tag_count); | |
3194 | ncq_tag_count = ffs(act_tmp); | |
3195 | } | |
3196 | } else { | |
3197 | iptt = (complete_hdr->dw1) & CMPLT_HDR_IPTT_MSK; | |
3198 | slot = &hisi_hba->slot_info[iptt]; | |
3199 | slot->cmplt_queue_slot = rd_point; | |
3200 | slot->cmplt_queue = queue; | |
405314df | 3201 | slot_complete_v2_hw(hisi_hba, slot); |
31a9cfa6 JG |
3202 | } |
3203 | ||
3204 | if (++rd_point >= HISI_SAS_QUEUE_SLOTS) | |
3205 | rd_point = 0; | |
3206 | } | |
3207 | ||
3208 | /* update rd_point */ | |
e6c346f3 | 3209 | cq->rd_point = rd_point; |
31a9cfa6 | 3210 | hisi_sas_write32(hisi_hba, COMPL_Q_0_RD_PTR + (0x14 * queue), rd_point); |
b1a49412 | 3211 | spin_unlock(&dq->lock); |
d177c408 JG |
3212 | } |
3213 | ||
3214 | static irqreturn_t cq_interrupt_v2_hw(int irq_no, void *p) | |
3215 | { | |
3216 | struct hisi_sas_cq *cq = p; | |
3217 | struct hisi_hba *hisi_hba = cq->hisi_hba; | |
3218 | int queue = cq->id; | |
3219 | ||
3220 | hisi_sas_write32(hisi_hba, OQ_INT_SRC, 1 << queue); | |
3221 | ||
3222 | tasklet_schedule(&cq->tasklet); | |
3223 | ||
31a9cfa6 JG |
3224 | return IRQ_HANDLED; |
3225 | } | |
3226 | ||
d43f9cdb JG |
3227 | static irqreturn_t sata_int_v2_hw(int irq_no, void *p) |
3228 | { | |
3229 | struct hisi_sas_phy *phy = p; | |
3230 | struct hisi_hba *hisi_hba = phy->hisi_hba; | |
3231 | struct asd_sas_phy *sas_phy = &phy->sas_phy; | |
11b75249 | 3232 | struct device *dev = hisi_hba->dev; |
d43f9cdb JG |
3233 | struct hisi_sas_initial_fis *initial_fis; |
3234 | struct dev_to_host_fis *fis; | |
3235 | u32 ent_tmp, ent_msk, ent_int, port_id, link_rate, hard_phy_linkrate; | |
3236 | irqreturn_t res = IRQ_HANDLED; | |
3237 | u8 attached_sas_addr[SAS_ADDR_SIZE] = {0}; | |
11826e5d | 3238 | int phy_no, offset; |
d43f9cdb JG |
3239 | |
3240 | phy_no = sas_phy->id; | |
3241 | initial_fis = &hisi_hba->initial_fis[phy_no]; | |
3242 | fis = &initial_fis->fis; | |
3243 | ||
11826e5d JG |
3244 | offset = 4 * (phy_no / 4); |
3245 | ent_msk = hisi_sas_read32(hisi_hba, ENT_INT_SRC_MSK1 + offset); | |
3246 | hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK1 + offset, | |
3247 | ent_msk | 1 << ((phy_no % 4) * 8)); | |
d43f9cdb | 3248 | |
11826e5d JG |
3249 | ent_int = hisi_sas_read32(hisi_hba, ENT_INT_SRC1 + offset); |
3250 | ent_tmp = ent_int & (1 << (ENT_INT_SRC1_D2H_FIS_CH1_OFF * | |
3251 | (phy_no % 4))); | |
d43f9cdb JG |
3252 | ent_int >>= ENT_INT_SRC1_D2H_FIS_CH1_OFF * (phy_no % 4); |
3253 | if ((ent_int & ENT_INT_SRC1_D2H_FIS_CH0_MSK) == 0) { | |
3254 | dev_warn(dev, "sata int: phy%d did not receive FIS\n", phy_no); | |
d43f9cdb JG |
3255 | res = IRQ_NONE; |
3256 | goto end; | |
04708ff4 XC |
3257 | } |
3258 | ||
3259 | /* check ERR bit of Status Register */ | |
3260 | if (fis->status & ATA_ERR) { | |
3261 | dev_warn(dev, "sata int: phy%d FIS status: 0x%x\n", phy_no, | |
3262 | fis->status); | |
3263 | disable_phy_v2_hw(hisi_hba, phy_no); | |
3264 | enable_phy_v2_hw(hisi_hba, phy_no); | |
3265 | res = IRQ_NONE; | |
3266 | goto end; | |
d43f9cdb JG |
3267 | } |
3268 | ||
3269 | if (unlikely(phy_no == 8)) { | |
3270 | u32 port_state = hisi_sas_read32(hisi_hba, PORT_STATE); | |
3271 | ||
3272 | port_id = (port_state & PORT_STATE_PHY8_PORT_NUM_MSK) >> | |
3273 | PORT_STATE_PHY8_PORT_NUM_OFF; | |
3274 | link_rate = (port_state & PORT_STATE_PHY8_CONN_RATE_MSK) >> | |
3275 | PORT_STATE_PHY8_CONN_RATE_OFF; | |
3276 | } else { | |
3277 | port_id = hisi_sas_read32(hisi_hba, PHY_PORT_NUM_MA); | |
3278 | port_id = (port_id >> (4 * phy_no)) & 0xf; | |
3279 | link_rate = hisi_sas_read32(hisi_hba, PHY_CONN_RATE); | |
3280 | link_rate = (link_rate >> (phy_no * 4)) & 0xf; | |
3281 | } | |
3282 | ||
3283 | if (port_id == 0xf) { | |
3284 | dev_err(dev, "sata int: phy%d invalid portid\n", phy_no); | |
3285 | res = IRQ_NONE; | |
3286 | goto end; | |
3287 | } | |
3288 | ||
3289 | sas_phy->linkrate = link_rate; | |
3290 | hard_phy_linkrate = hisi_sas_phy_read32(hisi_hba, phy_no, | |
3291 | HARD_PHY_LINKRATE); | |
3292 | phy->maximum_linkrate = hard_phy_linkrate & 0xf; | |
3293 | phy->minimum_linkrate = (hard_phy_linkrate >> 4) & 0xf; | |
3294 | ||
3295 | sas_phy->oob_mode = SATA_OOB_MODE; | |
3296 | /* Make up some unique SAS address */ | |
3297 | attached_sas_addr[0] = 0x50; | |
3298 | attached_sas_addr[7] = phy_no; | |
3299 | memcpy(sas_phy->attached_sas_addr, attached_sas_addr, SAS_ADDR_SIZE); | |
3300 | memcpy(sas_phy->frame_rcvd, fis, sizeof(struct dev_to_host_fis)); | |
3301 | dev_info(dev, "sata int phyup: phy%d link_rate=%d\n", phy_no, link_rate); | |
3302 | phy->phy_type &= ~(PORT_TYPE_SAS | PORT_TYPE_SATA); | |
3303 | phy->port_id = port_id; | |
3304 | phy->phy_type |= PORT_TYPE_SATA; | |
3305 | phy->phy_attached = 1; | |
3306 | phy->identify.device_type = SAS_SATA_DEV; | |
3307 | phy->frame_rcvd_size = sizeof(struct dev_to_host_fis); | |
3308 | phy->identify.target_port_protocols = SAS_PROTOCOL_SATA; | |
320cd6f1 | 3309 | hisi_sas_notify_phy_event(phy, HISI_PHYE_PHY_UP); |
d43f9cdb JG |
3310 | |
3311 | end: | |
11826e5d JG |
3312 | hisi_sas_write32(hisi_hba, ENT_INT_SRC1 + offset, ent_tmp); |
3313 | hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK1 + offset, ent_msk); | |
d43f9cdb JG |
3314 | |
3315 | return res; | |
3316 | } | |
3317 | ||
7911e66f JG |
3318 | static irq_handler_t phy_interrupts[HISI_SAS_PHY_INT_NR] = { |
3319 | int_phy_updown_v2_hw, | |
d3bf3d84 | 3320 | int_chnl_int_v2_hw, |
7911e66f JG |
3321 | }; |
3322 | ||
d3b688d3 XC |
3323 | static irq_handler_t fatal_interrupts[HISI_SAS_FATAL_INT_NR] = { |
3324 | fatal_ecc_int_v2_hw, | |
3325 | fatal_axi_int_v2_hw | |
3326 | }; | |
3327 | ||
7911e66f JG |
3328 | /** |
3329 | * There is a limitation in the hip06 chipset that we need | |
3330 | * to map in all mbigen interrupts, even if they are not used. | |
3331 | */ | |
3332 | static int interrupt_init_v2_hw(struct hisi_hba *hisi_hba) | |
3333 | { | |
11b75249 | 3334 | struct platform_device *pdev = hisi_hba->platform_dev; |
7911e66f | 3335 | struct device *dev = &pdev->dev; |
8a253888 XC |
3336 | int irq, rc, irq_map[128]; |
3337 | int i, phy_no, fatal_no, queue_no, k; | |
7911e66f JG |
3338 | |
3339 | for (i = 0; i < 128; i++) | |
3340 | irq_map[i] = platform_get_irq(pdev, i); | |
3341 | ||
3342 | for (i = 0; i < HISI_SAS_PHY_INT_NR; i++) { | |
8a253888 | 3343 | irq = irq_map[i + 1]; /* Phy up/down is irq1 */ |
7911e66f JG |
3344 | rc = devm_request_irq(dev, irq, phy_interrupts[i], 0, |
3345 | DRV_NAME " phy", hisi_hba); | |
3346 | if (rc) { | |
3347 | dev_err(dev, "irq init: could not request " | |
3348 | "phy interrupt %d, rc=%d\n", | |
3349 | irq, rc); | |
8a253888 XC |
3350 | rc = -ENOENT; |
3351 | goto free_phy_int_irqs; | |
7911e66f JG |
3352 | } |
3353 | } | |
3354 | ||
8a253888 XC |
3355 | for (phy_no = 0; phy_no < hisi_hba->n_phy; phy_no++) { |
3356 | struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no]; | |
d43f9cdb | 3357 | |
8a253888 | 3358 | irq = irq_map[phy_no + 72]; |
d43f9cdb JG |
3359 | rc = devm_request_irq(dev, irq, sata_int_v2_hw, 0, |
3360 | DRV_NAME " sata", phy); | |
3361 | if (rc) { | |
3362 | dev_err(dev, "irq init: could not request " | |
3363 | "sata interrupt %d, rc=%d\n", | |
3364 | irq, rc); | |
8a253888 XC |
3365 | rc = -ENOENT; |
3366 | goto free_sata_int_irqs; | |
d43f9cdb JG |
3367 | } |
3368 | } | |
31a9cfa6 | 3369 | |
8a253888 XC |
3370 | for (fatal_no = 0; fatal_no < HISI_SAS_FATAL_INT_NR; fatal_no++) { |
3371 | irq = irq_map[fatal_no + 81]; | |
3372 | rc = devm_request_irq(dev, irq, fatal_interrupts[fatal_no], 0, | |
d3b688d3 XC |
3373 | DRV_NAME " fatal", hisi_hba); |
3374 | if (rc) { | |
3375 | dev_err(dev, | |
3376 | "irq init: could not request fatal interrupt %d, rc=%d\n", | |
3377 | irq, rc); | |
8a253888 XC |
3378 | rc = -ENOENT; |
3379 | goto free_fatal_int_irqs; | |
d3b688d3 XC |
3380 | } |
3381 | } | |
3382 | ||
8a253888 XC |
3383 | for (queue_no = 0; queue_no < hisi_hba->queue_count; queue_no++) { |
3384 | struct hisi_sas_cq *cq = &hisi_hba->cq[queue_no]; | |
d177c408 | 3385 | struct tasklet_struct *t = &cq->tasklet; |
31a9cfa6 | 3386 | |
8a253888 | 3387 | irq = irq_map[queue_no + 96]; |
31a9cfa6 | 3388 | rc = devm_request_irq(dev, irq, cq_interrupt_v2_hw, 0, |
8a253888 | 3389 | DRV_NAME " cq", cq); |
31a9cfa6 JG |
3390 | if (rc) { |
3391 | dev_err(dev, | |
3392 | "irq init: could not request cq interrupt %d, rc=%d\n", | |
3393 | irq, rc); | |
8a253888 XC |
3394 | rc = -ENOENT; |
3395 | goto free_cq_int_irqs; | |
31a9cfa6 | 3396 | } |
d177c408 | 3397 | tasklet_init(t, cq_tasklet_v2_hw, (unsigned long)cq); |
31a9cfa6 JG |
3398 | } |
3399 | ||
7911e66f | 3400 | return 0; |
8a253888 XC |
3401 | |
3402 | free_cq_int_irqs: | |
3403 | for (k = 0; k < queue_no; k++) { | |
3404 | struct hisi_sas_cq *cq = &hisi_hba->cq[k]; | |
3405 | ||
3406 | free_irq(irq_map[k + 96], cq); | |
3407 | tasklet_kill(&cq->tasklet); | |
3408 | } | |
3409 | free_fatal_int_irqs: | |
3410 | for (k = 0; k < fatal_no; k++) | |
3411 | free_irq(irq_map[k + 81], hisi_hba); | |
3412 | free_sata_int_irqs: | |
3413 | for (k = 0; k < phy_no; k++) { | |
3414 | struct hisi_sas_phy *phy = &hisi_hba->phy[k]; | |
3415 | ||
3416 | free_irq(irq_map[k + 72], phy); | |
3417 | } | |
3418 | free_phy_int_irqs: | |
3419 | for (k = 0; k < i; k++) | |
3420 | free_irq(irq_map[k + 1], hisi_hba); | |
3421 | return rc; | |
7911e66f JG |
3422 | } |
3423 | ||
94eac9e1 JG |
3424 | static int hisi_sas_v2_init(struct hisi_hba *hisi_hba) |
3425 | { | |
3426 | int rc; | |
3427 | ||
32ccba52 XT |
3428 | memset(hisi_hba->sata_dev_bitmap, 0, sizeof(hisi_hba->sata_dev_bitmap)); |
3429 | ||
94eac9e1 JG |
3430 | rc = hw_init_v2_hw(hisi_hba); |
3431 | if (rc) | |
3432 | return rc; | |
3433 | ||
7911e66f JG |
3434 | rc = interrupt_init_v2_hw(hisi_hba); |
3435 | if (rc) | |
3436 | return rc; | |
3437 | ||
94eac9e1 JG |
3438 | return 0; |
3439 | } | |
3440 | ||
06ec0fb9 XC |
3441 | static void interrupt_disable_v2_hw(struct hisi_hba *hisi_hba) |
3442 | { | |
11b75249 | 3443 | struct platform_device *pdev = hisi_hba->platform_dev; |
06ec0fb9 XC |
3444 | int i; |
3445 | ||
3446 | for (i = 0; i < hisi_hba->queue_count; i++) | |
3447 | hisi_sas_write32(hisi_hba, OQ0_INT_SRC_MSK + 0x4 * i, 0x1); | |
3448 | ||
3449 | hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK1, 0xffffffff); | |
3450 | hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK2, 0xffffffff); | |
3451 | hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK3, 0xffffffff); | |
3452 | hisi_sas_write32(hisi_hba, SAS_ECC_INTR_MSK, 0xffffffff); | |
3453 | ||
3454 | for (i = 0; i < hisi_hba->n_phy; i++) { | |
3455 | hisi_sas_phy_write32(hisi_hba, i, CHL_INT1_MSK, 0xffffffff); | |
3456 | hisi_sas_phy_write32(hisi_hba, i, CHL_INT2_MSK, 0xffffffff); | |
3457 | } | |
3458 | ||
3459 | for (i = 0; i < 128; i++) | |
3460 | synchronize_irq(platform_get_irq(pdev, i)); | |
3461 | } | |
3462 | ||
917d3bda XT |
3463 | |
3464 | static u32 get_phys_state_v2_hw(struct hisi_hba *hisi_hba) | |
3465 | { | |
3466 | return hisi_sas_read32(hisi_hba, PHY_STATE); | |
3467 | } | |
3468 | ||
06ec0fb9 XC |
3469 | static int soft_reset_v2_hw(struct hisi_hba *hisi_hba) |
3470 | { | |
11b75249 | 3471 | struct device *dev = hisi_hba->dev; |
06ec0fb9 | 3472 | int rc, cnt; |
06ec0fb9 XC |
3473 | |
3474 | interrupt_disable_v2_hw(hisi_hba); | |
3475 | hisi_sas_write32(hisi_hba, DLVRY_QUEUE_ENABLE, 0x0); | |
571295f8 | 3476 | hisi_sas_kill_tasklets(hisi_hba); |
06ec0fb9 | 3477 | |
a25d0d3d | 3478 | hisi_sas_stop_phys(hisi_hba); |
06ec0fb9 XC |
3479 | |
3480 | mdelay(10); | |
3481 | ||
3482 | hisi_sas_write32(hisi_hba, AXI_MASTER_CFG_BASE + AM_CTRL_GLOBAL, 0x1); | |
3483 | ||
3484 | /* wait until bus idle */ | |
3485 | cnt = 0; | |
3486 | while (1) { | |
3487 | u32 status = hisi_sas_read32_relaxed(hisi_hba, | |
3488 | AXI_MASTER_CFG_BASE + AM_CURR_TRANS_RETURN); | |
3489 | ||
3490 | if (status == 0x3) | |
3491 | break; | |
3492 | ||
3493 | udelay(10); | |
3494 | if (cnt++ > 10) { | |
081a1608 | 3495 | dev_err(dev, "wait axi bus state to idle timeout!\n"); |
06ec0fb9 XC |
3496 | return -1; |
3497 | } | |
3498 | } | |
3499 | ||
3500 | hisi_sas_init_mem(hisi_hba); | |
3501 | ||
3502 | rc = hw_init_v2_hw(hisi_hba); | |
3503 | if (rc) | |
3504 | return rc; | |
3505 | ||
c7b9d369 XT |
3506 | phys_reject_stp_links_v2_hw(hisi_hba); |
3507 | ||
06ec0fb9 XC |
3508 | return 0; |
3509 | } | |
3510 | ||
02615ec8 XT |
3511 | static int write_gpio_v2_hw(struct hisi_hba *hisi_hba, u8 reg_type, |
3512 | u8 reg_index, u8 reg_count, u8 *write_data) | |
3513 | { | |
3514 | struct device *dev = hisi_hba->dev; | |
3515 | int phy_no, count; | |
3516 | ||
3517 | if (!hisi_hba->sgpio_regs) | |
3518 | return -EOPNOTSUPP; | |
3519 | ||
3520 | switch (reg_type) { | |
3521 | case SAS_GPIO_REG_TX: | |
3522 | count = reg_count * 4; | |
3523 | count = min(count, hisi_hba->n_phy); | |
3524 | ||
3525 | for (phy_no = 0; phy_no < count; phy_no++) { | |
3526 | /* | |
3527 | * GPIO_TX[n] register has the highest numbered drive | |
3528 | * of the four in the first byte and the lowest | |
3529 | * numbered drive in the fourth byte. | |
3530 | * See SFF-8485 Rev. 0.7 Table 24. | |
3531 | */ | |
3532 | void __iomem *reg_addr = hisi_hba->sgpio_regs + | |
3533 | reg_index * 4 + phy_no; | |
3534 | int data_idx = phy_no + 3 - (phy_no % 4) * 2; | |
3535 | ||
3536 | writeb(write_data[data_idx], reg_addr); | |
3537 | } | |
3538 | ||
3539 | break; | |
3540 | default: | |
3541 | dev_err(dev, "write gpio: unsupported or bad reg type %d\n", | |
3542 | reg_type); | |
3543 | return -EINVAL; | |
3544 | } | |
3545 | ||
3546 | return 0; | |
3547 | } | |
3548 | ||
3417ba8a | 3549 | static const struct hisi_sas_hw hisi_sas_v2_hw = { |
94eac9e1 | 3550 | .hw_init = hisi_sas_v2_init, |
85b2c3c0 | 3551 | .setup_itct = setup_itct_v2_hw, |
330fa7f3 | 3552 | .slot_index_alloc = slot_index_alloc_quirk_v2_hw, |
b2bdaf2b | 3553 | .alloc_dev = alloc_dev_quirk_v2_hw, |
7911e66f | 3554 | .sl_notify = sl_notify_v2_hw, |
5473c060 | 3555 | .get_wideport_bitmap = get_wideport_bitmap_v2_hw, |
f39943ee | 3556 | .clear_itct = clear_itct_v2_hw, |
85b2c3c0 | 3557 | .free_device = free_device_v2_hw, |
c2d89392 | 3558 | .prep_smp = prep_smp_v2_hw, |
8c36e31d | 3559 | .prep_ssp = prep_ssp_v2_hw, |
6f2ff1a1 | 3560 | .prep_stp = prep_ata_v2_hw, |
a3e665d9 | 3561 | .prep_abort = prep_abort_v2_hw, |
8c36e31d JG |
3562 | .get_free_slot = get_free_slot_v2_hw, |
3563 | .start_delivery = start_delivery_v2_hw, | |
31a9cfa6 | 3564 | .slot_complete = slot_complete_v2_hw, |
396b8044 | 3565 | .phys_init = phys_init_v2_hw, |
1eb8eeac | 3566 | .phy_start = start_phy_v2_hw, |
63fb11b8 JG |
3567 | .phy_disable = disable_phy_v2_hw, |
3568 | .phy_hard_reset = phy_hard_reset_v2_hw, | |
c52108c6 | 3569 | .get_events = phy_get_events_v2_hw, |
2ae75787 XC |
3570 | .phy_set_linkrate = phy_set_linkrate_v2_hw, |
3571 | .phy_get_max_linkrate = phy_get_max_linkrate_v2_hw, | |
94eac9e1 JG |
3572 | .max_command_entries = HISI_SAS_COMMAND_ENTRIES_V2_HW, |
3573 | .complete_hdr_size = sizeof(struct hisi_sas_complete_v2_hdr), | |
06ec0fb9 | 3574 | .soft_reset = soft_reset_v2_hw, |
917d3bda | 3575 | .get_phys_state = get_phys_state_v2_hw, |
02615ec8 | 3576 | .write_gpio = write_gpio_v2_hw, |
3417ba8a JG |
3577 | }; |
3578 | ||
3579 | static int hisi_sas_v2_probe(struct platform_device *pdev) | |
3580 | { | |
26f3ba96 JG |
3581 | /* |
3582 | * Check if we should defer the probe before we probe the | |
3583 | * upper layer, as it's hard to defer later on. | |
3584 | */ | |
3585 | int ret = platform_get_irq(pdev, 0); | |
3586 | ||
3587 | if (ret < 0) { | |
3588 | if (ret != -EPROBE_DEFER) | |
3589 | dev_err(&pdev->dev, "cannot obtain irq\n"); | |
3590 | return ret; | |
3591 | } | |
3592 | ||
3417ba8a JG |
3593 | return hisi_sas_probe(pdev, &hisi_sas_v2_hw); |
3594 | } | |
3595 | ||
3596 | static int hisi_sas_v2_remove(struct platform_device *pdev) | |
3597 | { | |
f2f89c32 XC |
3598 | struct sas_ha_struct *sha = platform_get_drvdata(pdev); |
3599 | struct hisi_hba *hisi_hba = sha->lldd_ha; | |
3600 | ||
3601 | if (timer_pending(&hisi_hba->timer)) | |
3602 | del_timer(&hisi_hba->timer); | |
3603 | ||
571295f8 | 3604 | hisi_sas_kill_tasklets(hisi_hba); |
8a253888 | 3605 | |
3417ba8a JG |
3606 | return hisi_sas_remove(pdev); |
3607 | } | |
3608 | ||
3609 | static const struct of_device_id sas_v2_of_match[] = { | |
3610 | { .compatible = "hisilicon,hip06-sas-v2",}, | |
039ae102 | 3611 | { .compatible = "hisilicon,hip07-sas-v2",}, |
3417ba8a JG |
3612 | {}, |
3613 | }; | |
3614 | MODULE_DEVICE_TABLE(of, sas_v2_of_match); | |
3615 | ||
50408712 JG |
3616 | static const struct acpi_device_id sas_v2_acpi_match[] = { |
3617 | { "HISI0162", 0 }, | |
3618 | { } | |
3619 | }; | |
3620 | ||
3621 | MODULE_DEVICE_TABLE(acpi, sas_v2_acpi_match); | |
3622 | ||
3417ba8a JG |
3623 | static struct platform_driver hisi_sas_v2_driver = { |
3624 | .probe = hisi_sas_v2_probe, | |
3625 | .remove = hisi_sas_v2_remove, | |
3626 | .driver = { | |
3627 | .name = DRV_NAME, | |
3628 | .of_match_table = sas_v2_of_match, | |
50408712 | 3629 | .acpi_match_table = ACPI_PTR(sas_v2_acpi_match), |
3417ba8a JG |
3630 | }, |
3631 | }; | |
3632 | ||
3633 | module_platform_driver(hisi_sas_v2_driver); | |
3634 | ||
3635 | MODULE_LICENSE("GPL"); | |
3636 | MODULE_AUTHOR("John Garry <john.garry@huawei.com>"); | |
3637 | MODULE_DESCRIPTION("HISILICON SAS controller v2 hw driver"); | |
3638 | MODULE_ALIAS("platform:" DRV_NAME); |