1 /* SPDX-License-Identifier: GPL-2.0-only */ 1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /* 2 /*
3 * Microsemi Switchtec PCIe Driver 3 * Microsemi Switchtec PCIe Driver
4 * Copyright (c) 2017, Microsemi Corporation 4 * Copyright (c) 2017, Microsemi Corporation
5 */ 5 */
6 6
7 #ifndef _SWITCHTEC_H 7 #ifndef _SWITCHTEC_H
8 #define _SWITCHTEC_H 8 #define _SWITCHTEC_H
9 9
10 #include <linux/pci.h> 10 #include <linux/pci.h>
11 #include <linux/cdev.h> 11 #include <linux/cdev.h>
12 12
13 #define SWITCHTEC_MRPC_PAYLOAD_SIZE 1024 13 #define SWITCHTEC_MRPC_PAYLOAD_SIZE 1024
14 #define SWITCHTEC_MAX_PFF_CSR 255 14 #define SWITCHTEC_MAX_PFF_CSR 255
15 15
16 #define SWITCHTEC_EVENT_OCCURRED BIT(0) 16 #define SWITCHTEC_EVENT_OCCURRED BIT(0)
17 #define SWITCHTEC_EVENT_CLEAR BIT(0) 17 #define SWITCHTEC_EVENT_CLEAR BIT(0)
18 #define SWITCHTEC_EVENT_EN_LOG BIT(1) 18 #define SWITCHTEC_EVENT_EN_LOG BIT(1)
19 #define SWITCHTEC_EVENT_EN_CLI BIT(2) 19 #define SWITCHTEC_EVENT_EN_CLI BIT(2)
20 #define SWITCHTEC_EVENT_EN_IRQ BIT(3) 20 #define SWITCHTEC_EVENT_EN_IRQ BIT(3)
21 #define SWITCHTEC_EVENT_FATAL BIT(4) 21 #define SWITCHTEC_EVENT_FATAL BIT(4)
22 #define SWITCHTEC_EVENT_NOT_SUPP BIT(31) 22 #define SWITCHTEC_EVENT_NOT_SUPP BIT(31)
23 23
24 #define SWITCHTEC_DMA_MRPC_EN BIT(0) 24 #define SWITCHTEC_DMA_MRPC_EN BIT(0)
25 25
26 #define MRPC_GAS_READ 0x29 26 #define MRPC_GAS_READ 0x29
27 #define MRPC_GAS_WRITE 0x87 27 #define MRPC_GAS_WRITE 0x87
28 #define MRPC_CMD_ID(x) ((x) & 0xffff) 28 #define MRPC_CMD_ID(x) ((x) & 0xffff)
29 29
30 enum { 30 enum {
31 SWITCHTEC_GAS_MRPC_OFFSET = 0x00 31 SWITCHTEC_GAS_MRPC_OFFSET = 0x0000,
32 SWITCHTEC_GAS_TOP_CFG_OFFSET = 0x10 32 SWITCHTEC_GAS_TOP_CFG_OFFSET = 0x1000,
33 SWITCHTEC_GAS_SW_EVENT_OFFSET = 0x18 33 SWITCHTEC_GAS_SW_EVENT_OFFSET = 0x1800,
34 SWITCHTEC_GAS_SYS_INFO_OFFSET = 0x20 34 SWITCHTEC_GAS_SYS_INFO_OFFSET = 0x2000,
35 SWITCHTEC_GAS_FLASH_INFO_OFFSET = 0x22 35 SWITCHTEC_GAS_FLASH_INFO_OFFSET = 0x2200,
36 SWITCHTEC_GAS_PART_CFG_OFFSET = 0x40 36 SWITCHTEC_GAS_PART_CFG_OFFSET = 0x4000,
37 SWITCHTEC_GAS_NTB_OFFSET = 0x10 37 SWITCHTEC_GAS_NTB_OFFSET = 0x10000,
38 SWITCHTEC_GAS_PFF_CSR_OFFSET = 0x13 38 SWITCHTEC_GAS_PFF_CSR_OFFSET = 0x134000,
39 }; 39 };
40 40
41 enum switchtec_gen { 41 enum switchtec_gen {
42 SWITCHTEC_GEN3, 42 SWITCHTEC_GEN3,
43 SWITCHTEC_GEN4, 43 SWITCHTEC_GEN4,
44 SWITCHTEC_GEN5, 44 SWITCHTEC_GEN5,
45 }; 45 };
46 46
47 struct mrpc_regs { 47 struct mrpc_regs {
48 u8 input_data[SWITCHTEC_MRPC_PAYLOAD_S 48 u8 input_data[SWITCHTEC_MRPC_PAYLOAD_SIZE];
49 u8 output_data[SWITCHTEC_MRPC_PAYLOAD_ 49 u8 output_data[SWITCHTEC_MRPC_PAYLOAD_SIZE];
50 u32 cmd; 50 u32 cmd;
51 u32 status; 51 u32 status;
52 u32 ret_value; 52 u32 ret_value;
53 u32 dma_en; 53 u32 dma_en;
54 u64 dma_addr; 54 u64 dma_addr;
55 u32 dma_vector; 55 u32 dma_vector;
56 u32 dma_ver; 56 u32 dma_ver;
57 } __packed; 57 } __packed;
58 58
59 enum mrpc_status { 59 enum mrpc_status {
60 SWITCHTEC_MRPC_STATUS_INPROGRESS = 1, 60 SWITCHTEC_MRPC_STATUS_INPROGRESS = 1,
61 SWITCHTEC_MRPC_STATUS_DONE = 2, 61 SWITCHTEC_MRPC_STATUS_DONE = 2,
62 SWITCHTEC_MRPC_STATUS_ERROR = 0xFF, 62 SWITCHTEC_MRPC_STATUS_ERROR = 0xFF,
63 SWITCHTEC_MRPC_STATUS_INTERRUPTED = 0x 63 SWITCHTEC_MRPC_STATUS_INTERRUPTED = 0x100,
64 }; 64 };
65 65
66 struct sw_event_regs { 66 struct sw_event_regs {
67 u64 event_report_ctrl; 67 u64 event_report_ctrl;
68 u64 reserved1; 68 u64 reserved1;
69 u64 part_event_bitmap; 69 u64 part_event_bitmap;
70 u64 reserved2; 70 u64 reserved2;
71 u32 global_summary; 71 u32 global_summary;
72 u32 reserved3[3]; 72 u32 reserved3[3];
73 u32 stack_error_event_hdr; 73 u32 stack_error_event_hdr;
74 u32 stack_error_event_data; 74 u32 stack_error_event_data;
75 u32 reserved4[4]; 75 u32 reserved4[4];
76 u32 ppu_error_event_hdr; 76 u32 ppu_error_event_hdr;
77 u32 ppu_error_event_data; 77 u32 ppu_error_event_data;
78 u32 reserved5[4]; 78 u32 reserved5[4];
79 u32 isp_error_event_hdr; 79 u32 isp_error_event_hdr;
80 u32 isp_error_event_data; 80 u32 isp_error_event_data;
81 u32 reserved6[4]; 81 u32 reserved6[4];
82 u32 sys_reset_event_hdr; 82 u32 sys_reset_event_hdr;
83 u32 reserved7[5]; 83 u32 reserved7[5];
84 u32 fw_exception_hdr; 84 u32 fw_exception_hdr;
85 u32 reserved8[5]; 85 u32 reserved8[5];
86 u32 fw_nmi_hdr; 86 u32 fw_nmi_hdr;
87 u32 reserved9[5]; 87 u32 reserved9[5];
88 u32 fw_non_fatal_hdr; 88 u32 fw_non_fatal_hdr;
89 u32 reserved10[5]; 89 u32 reserved10[5];
90 u32 fw_fatal_hdr; 90 u32 fw_fatal_hdr;
91 u32 reserved11[5]; 91 u32 reserved11[5];
92 u32 twi_mrpc_comp_hdr; 92 u32 twi_mrpc_comp_hdr;
93 u32 twi_mrpc_comp_data; 93 u32 twi_mrpc_comp_data;
94 u32 reserved12[4]; 94 u32 reserved12[4];
95 u32 twi_mrpc_comp_async_hdr; 95 u32 twi_mrpc_comp_async_hdr;
96 u32 twi_mrpc_comp_async_data; 96 u32 twi_mrpc_comp_async_data;
97 u32 reserved13[4]; 97 u32 reserved13[4];
98 u32 cli_mrpc_comp_hdr; 98 u32 cli_mrpc_comp_hdr;
99 u32 cli_mrpc_comp_data; 99 u32 cli_mrpc_comp_data;
100 u32 reserved14[4]; 100 u32 reserved14[4];
101 u32 cli_mrpc_comp_async_hdr; 101 u32 cli_mrpc_comp_async_hdr;
102 u32 cli_mrpc_comp_async_data; 102 u32 cli_mrpc_comp_async_data;
103 u32 reserved15[4]; 103 u32 reserved15[4];
104 u32 gpio_interrupt_hdr; 104 u32 gpio_interrupt_hdr;
105 u32 gpio_interrupt_data; 105 u32 gpio_interrupt_data;
106 u32 reserved16[4]; 106 u32 reserved16[4];
107 u32 gfms_event_hdr; 107 u32 gfms_event_hdr;
108 u32 gfms_event_data; 108 u32 gfms_event_data;
109 u32 reserved17[4]; 109 u32 reserved17[4];
110 } __packed; 110 } __packed;
111 111
112 enum { 112 enum {
113 SWITCHTEC_GEN3_CFG0_RUNNING = 0x04, 113 SWITCHTEC_GEN3_CFG0_RUNNING = 0x04,
114 SWITCHTEC_GEN3_CFG1_RUNNING = 0x05, 114 SWITCHTEC_GEN3_CFG1_RUNNING = 0x05,
115 SWITCHTEC_GEN3_IMG0_RUNNING = 0x03, 115 SWITCHTEC_GEN3_IMG0_RUNNING = 0x03,
116 SWITCHTEC_GEN3_IMG1_RUNNING = 0x07, 116 SWITCHTEC_GEN3_IMG1_RUNNING = 0x07,
117 }; 117 };
118 118
119 enum { 119 enum {
120 SWITCHTEC_GEN4_MAP0_RUNNING = 0x00, 120 SWITCHTEC_GEN4_MAP0_RUNNING = 0x00,
121 SWITCHTEC_GEN4_MAP1_RUNNING = 0x01, 121 SWITCHTEC_GEN4_MAP1_RUNNING = 0x01,
122 SWITCHTEC_GEN4_KEY0_RUNNING = 0x02, 122 SWITCHTEC_GEN4_KEY0_RUNNING = 0x02,
123 SWITCHTEC_GEN4_KEY1_RUNNING = 0x03, 123 SWITCHTEC_GEN4_KEY1_RUNNING = 0x03,
124 SWITCHTEC_GEN4_BL2_0_RUNNING = 0x04, 124 SWITCHTEC_GEN4_BL2_0_RUNNING = 0x04,
125 SWITCHTEC_GEN4_BL2_1_RUNNING = 0x05, 125 SWITCHTEC_GEN4_BL2_1_RUNNING = 0x05,
126 SWITCHTEC_GEN4_CFG0_RUNNING = 0x06, 126 SWITCHTEC_GEN4_CFG0_RUNNING = 0x06,
127 SWITCHTEC_GEN4_CFG1_RUNNING = 0x07, 127 SWITCHTEC_GEN4_CFG1_RUNNING = 0x07,
128 SWITCHTEC_GEN4_IMG0_RUNNING = 0x08, 128 SWITCHTEC_GEN4_IMG0_RUNNING = 0x08,
129 SWITCHTEC_GEN4_IMG1_RUNNING = 0x09, 129 SWITCHTEC_GEN4_IMG1_RUNNING = 0x09,
130 }; 130 };
131 131
132 enum { 132 enum {
133 SWITCHTEC_GEN4_KEY0_ACTIVE = 0, 133 SWITCHTEC_GEN4_KEY0_ACTIVE = 0,
134 SWITCHTEC_GEN4_KEY1_ACTIVE = 1, 134 SWITCHTEC_GEN4_KEY1_ACTIVE = 1,
135 SWITCHTEC_GEN4_BL2_0_ACTIVE = 0, 135 SWITCHTEC_GEN4_BL2_0_ACTIVE = 0,
136 SWITCHTEC_GEN4_BL2_1_ACTIVE = 1, 136 SWITCHTEC_GEN4_BL2_1_ACTIVE = 1,
137 SWITCHTEC_GEN4_CFG0_ACTIVE = 0, 137 SWITCHTEC_GEN4_CFG0_ACTIVE = 0,
138 SWITCHTEC_GEN4_CFG1_ACTIVE = 1, 138 SWITCHTEC_GEN4_CFG1_ACTIVE = 1,
139 SWITCHTEC_GEN4_IMG0_ACTIVE = 0, 139 SWITCHTEC_GEN4_IMG0_ACTIVE = 0,
140 SWITCHTEC_GEN4_IMG1_ACTIVE = 1, 140 SWITCHTEC_GEN4_IMG1_ACTIVE = 1,
141 }; 141 };
142 142
143 struct sys_info_regs_gen3 { 143 struct sys_info_regs_gen3 {
144 u32 reserved1; 144 u32 reserved1;
145 u32 vendor_table_revision; 145 u32 vendor_table_revision;
146 u32 table_format_version; 146 u32 table_format_version;
147 u32 partition_id; 147 u32 partition_id;
148 u32 cfg_file_fmt_version; 148 u32 cfg_file_fmt_version;
149 u16 cfg_running; 149 u16 cfg_running;
150 u16 img_running; 150 u16 img_running;
151 u32 reserved2[57]; 151 u32 reserved2[57];
152 char vendor_id[8]; 152 char vendor_id[8];
153 char product_id[16]; 153 char product_id[16];
154 char product_revision[4]; 154 char product_revision[4];
155 char component_vendor[8]; 155 char component_vendor[8];
156 u16 component_id; 156 u16 component_id;
157 u8 component_revision; 157 u8 component_revision;
158 } __packed; 158 } __packed;
159 159
160 struct sys_info_regs_gen4 { 160 struct sys_info_regs_gen4 {
161 u16 gas_layout_ver; 161 u16 gas_layout_ver;
162 u8 evlist_ver; 162 u8 evlist_ver;
163 u8 reserved1; 163 u8 reserved1;
164 u16 mgmt_cmd_set_ver; 164 u16 mgmt_cmd_set_ver;
165 u16 fabric_cmd_set_ver; 165 u16 fabric_cmd_set_ver;
166 u32 reserved2[2]; 166 u32 reserved2[2];
167 u8 mrpc_uart_ver; 167 u8 mrpc_uart_ver;
168 u8 mrpc_twi_ver; 168 u8 mrpc_twi_ver;
169 u8 mrpc_eth_ver; 169 u8 mrpc_eth_ver;
170 u8 mrpc_inband_ver; 170 u8 mrpc_inband_ver;
171 u32 reserved3[7]; 171 u32 reserved3[7];
172 u32 fw_update_tmo; 172 u32 fw_update_tmo;
173 u32 xml_version_cfg; 173 u32 xml_version_cfg;
174 u32 xml_version_img; 174 u32 xml_version_img;
175 u32 partition_id; 175 u32 partition_id;
176 u16 bl2_running; 176 u16 bl2_running;
177 u16 cfg_running; 177 u16 cfg_running;
178 u16 img_running; 178 u16 img_running;
179 u16 key_running; 179 u16 key_running;
180 u32 reserved4[43]; 180 u32 reserved4[43];
181 u32 vendor_seeprom_twi; 181 u32 vendor_seeprom_twi;
182 u32 vendor_table_revision; 182 u32 vendor_table_revision;
183 u32 vendor_specific_info[2]; 183 u32 vendor_specific_info[2];
184 u16 p2p_vendor_id; 184 u16 p2p_vendor_id;
185 u16 p2p_device_id; 185 u16 p2p_device_id;
186 u8 p2p_revision_id; 186 u8 p2p_revision_id;
187 u8 reserved5[3]; 187 u8 reserved5[3];
188 u32 p2p_class_id; 188 u32 p2p_class_id;
189 u16 subsystem_vendor_id; 189 u16 subsystem_vendor_id;
190 u16 subsystem_id; 190 u16 subsystem_id;
191 u32 p2p_serial_number[2]; 191 u32 p2p_serial_number[2];
192 u8 mac_addr[6]; 192 u8 mac_addr[6];
193 u8 reserved6[2]; 193 u8 reserved6[2];
194 u32 reserved7[3]; 194 u32 reserved7[3];
195 char vendor_id[8]; 195 char vendor_id[8];
196 char product_id[24]; 196 char product_id[24];
197 char product_revision[2]; 197 char product_revision[2];
198 u16 reserved8; 198 u16 reserved8;
199 } __packed; 199 } __packed;
200 200
201 struct sys_info_regs { 201 struct sys_info_regs {
202 u32 device_id; 202 u32 device_id;
203 u32 device_version; 203 u32 device_version;
204 u32 firmware_version; 204 u32 firmware_version;
205 union { 205 union {
206 struct sys_info_regs_gen3 gen3 206 struct sys_info_regs_gen3 gen3;
207 struct sys_info_regs_gen4 gen4 207 struct sys_info_regs_gen4 gen4;
208 }; 208 };
209 } __packed; 209 } __packed;
210 210
211 struct partition_info { 211 struct partition_info {
212 u32 address; 212 u32 address;
213 u32 length; 213 u32 length;
214 }; 214 };
215 215
216 struct flash_info_regs_gen3 { 216 struct flash_info_regs_gen3 {
217 u32 flash_part_map_upd_idx; 217 u32 flash_part_map_upd_idx;
218 218
219 struct active_partition_info_gen3 { 219 struct active_partition_info_gen3 {
220 u32 address; 220 u32 address;
221 u32 build_version; 221 u32 build_version;
222 u32 build_string; 222 u32 build_string;
223 } active_img; 223 } active_img;
224 224
225 struct active_partition_info_gen3 acti 225 struct active_partition_info_gen3 active_cfg;
226 struct active_partition_info_gen3 inac 226 struct active_partition_info_gen3 inactive_img;
227 struct active_partition_info_gen3 inac 227 struct active_partition_info_gen3 inactive_cfg;
228 228
229 u32 flash_length; 229 u32 flash_length;
230 230
231 struct partition_info cfg0; 231 struct partition_info cfg0;
232 struct partition_info cfg1; 232 struct partition_info cfg1;
233 struct partition_info img0; 233 struct partition_info img0;
234 struct partition_info img1; 234 struct partition_info img1;
235 struct partition_info nvlog; 235 struct partition_info nvlog;
236 struct partition_info vendor[8]; 236 struct partition_info vendor[8];
237 }; 237 };
238 238
239 struct flash_info_regs_gen4 { 239 struct flash_info_regs_gen4 {
240 u32 flash_address; 240 u32 flash_address;
241 u32 flash_length; 241 u32 flash_length;
242 242
243 struct active_partition_info_gen4 { 243 struct active_partition_info_gen4 {
244 unsigned char bl2; 244 unsigned char bl2;
245 unsigned char cfg; 245 unsigned char cfg;
246 unsigned char img; 246 unsigned char img;
247 unsigned char key; 247 unsigned char key;
248 } active_flag; 248 } active_flag;
249 249
250 u32 reserved[3]; 250 u32 reserved[3];
251 251
252 struct partition_info map0; 252 struct partition_info map0;
253 struct partition_info map1; 253 struct partition_info map1;
254 struct partition_info key0; 254 struct partition_info key0;
255 struct partition_info key1; 255 struct partition_info key1;
256 struct partition_info bl2_0; 256 struct partition_info bl2_0;
257 struct partition_info bl2_1; 257 struct partition_info bl2_1;
258 struct partition_info cfg0; 258 struct partition_info cfg0;
259 struct partition_info cfg1; 259 struct partition_info cfg1;
260 struct partition_info img0; 260 struct partition_info img0;
261 struct partition_info img1; 261 struct partition_info img1;
262 struct partition_info nvlog; 262 struct partition_info nvlog;
263 struct partition_info vendor[8]; 263 struct partition_info vendor[8];
264 }; 264 };
265 265
266 struct flash_info_regs { 266 struct flash_info_regs {
267 union { 267 union {
268 struct flash_info_regs_gen3 ge 268 struct flash_info_regs_gen3 gen3;
269 struct flash_info_regs_gen4 ge 269 struct flash_info_regs_gen4 gen4;
270 }; 270 };
271 }; 271 };
272 272
273 enum { 273 enum {
274 SWITCHTEC_NTB_REG_INFO_OFFSET = 0x00 274 SWITCHTEC_NTB_REG_INFO_OFFSET = 0x0000,
275 SWITCHTEC_NTB_REG_CTRL_OFFSET = 0x40 275 SWITCHTEC_NTB_REG_CTRL_OFFSET = 0x4000,
276 SWITCHTEC_NTB_REG_DBMSG_OFFSET = 0x64 276 SWITCHTEC_NTB_REG_DBMSG_OFFSET = 0x64000,
277 }; 277 };
278 278
279 struct ntb_info_regs { 279 struct ntb_info_regs {
280 u8 partition_count; 280 u8 partition_count;
281 u8 partition_id; 281 u8 partition_id;
282 u16 reserved1; 282 u16 reserved1;
283 u64 ep_map; 283 u64 ep_map;
284 u16 requester_id; 284 u16 requester_id;
285 u16 reserved2; 285 u16 reserved2;
286 u32 reserved3[4]; 286 u32 reserved3[4];
287 struct nt_partition_info { 287 struct nt_partition_info {
288 u32 xlink_enabled; 288 u32 xlink_enabled;
289 u32 target_part_low; 289 u32 target_part_low;
290 u32 target_part_high; 290 u32 target_part_high;
291 u32 reserved; 291 u32 reserved;
292 } ntp_info[48]; 292 } ntp_info[48];
293 } __packed; 293 } __packed;
294 294
295 struct part_cfg_regs { 295 struct part_cfg_regs {
296 u32 status; 296 u32 status;
297 u32 state; 297 u32 state;
298 u32 port_cnt; 298 u32 port_cnt;
299 u32 usp_port_mode; 299 u32 usp_port_mode;
300 u32 usp_pff_inst_id; 300 u32 usp_pff_inst_id;
301 u32 vep_pff_inst_id; 301 u32 vep_pff_inst_id;
302 u32 dsp_pff_inst_id[47]; 302 u32 dsp_pff_inst_id[47];
303 u32 reserved1[11]; 303 u32 reserved1[11];
304 u16 vep_vector_number; 304 u16 vep_vector_number;
305 u16 usp_vector_number; 305 u16 usp_vector_number;
306 u32 port_event_bitmap; 306 u32 port_event_bitmap;
307 u32 reserved2[3]; 307 u32 reserved2[3];
308 u32 part_event_summary; 308 u32 part_event_summary;
309 u32 reserved3[3]; 309 u32 reserved3[3];
310 u32 part_reset_hdr; 310 u32 part_reset_hdr;
311 u32 part_reset_data[5]; 311 u32 part_reset_data[5];
312 u32 mrpc_comp_hdr; 312 u32 mrpc_comp_hdr;
313 u32 mrpc_comp_data[5]; 313 u32 mrpc_comp_data[5];
314 u32 mrpc_comp_async_hdr; 314 u32 mrpc_comp_async_hdr;
315 u32 mrpc_comp_async_data[5]; 315 u32 mrpc_comp_async_data[5];
316 u32 dyn_binding_hdr; 316 u32 dyn_binding_hdr;
317 u32 dyn_binding_data[5]; 317 u32 dyn_binding_data[5];
318 u32 intercomm_notify_hdr; 318 u32 intercomm_notify_hdr;
319 u32 intercomm_notify_data[5]; 319 u32 intercomm_notify_data[5];
320 u32 reserved4[153]; 320 u32 reserved4[153];
321 } __packed; 321 } __packed;
322 322
323 enum { 323 enum {
324 NTB_CTRL_PART_OP_LOCK = 0x1, 324 NTB_CTRL_PART_OP_LOCK = 0x1,
325 NTB_CTRL_PART_OP_CFG = 0x2, 325 NTB_CTRL_PART_OP_CFG = 0x2,
326 NTB_CTRL_PART_OP_RESET = 0x3, 326 NTB_CTRL_PART_OP_RESET = 0x3,
327 327
328 NTB_CTRL_PART_STATUS_NORMAL = 0x1, 328 NTB_CTRL_PART_STATUS_NORMAL = 0x1,
329 NTB_CTRL_PART_STATUS_LOCKED = 0x2, 329 NTB_CTRL_PART_STATUS_LOCKED = 0x2,
330 NTB_CTRL_PART_STATUS_LOCKING = 0x3, 330 NTB_CTRL_PART_STATUS_LOCKING = 0x3,
331 NTB_CTRL_PART_STATUS_CONFIGURING = 0x4 331 NTB_CTRL_PART_STATUS_CONFIGURING = 0x4,
332 NTB_CTRL_PART_STATUS_RESETTING = 0x5, 332 NTB_CTRL_PART_STATUS_RESETTING = 0x5,
333 333
334 NTB_CTRL_BAR_VALID = 1 << 0, 334 NTB_CTRL_BAR_VALID = 1 << 0,
335 NTB_CTRL_BAR_DIR_WIN_EN = 1 << 4, 335 NTB_CTRL_BAR_DIR_WIN_EN = 1 << 4,
336 NTB_CTRL_BAR_LUT_WIN_EN = 1 << 5, 336 NTB_CTRL_BAR_LUT_WIN_EN = 1 << 5,
337 337
338 NTB_CTRL_REQ_ID_EN = 1 << 0, 338 NTB_CTRL_REQ_ID_EN = 1 << 0,
339 339
340 NTB_CTRL_LUT_EN = 1 << 0, 340 NTB_CTRL_LUT_EN = 1 << 0,
341 }; 341 };
342 342
343 struct ntb_ctrl_regs { 343 struct ntb_ctrl_regs {
344 u32 partition_status; 344 u32 partition_status;
345 u32 partition_op; 345 u32 partition_op;
346 u32 partition_ctrl; 346 u32 partition_ctrl;
347 u32 bar_setup; 347 u32 bar_setup;
348 u32 bar_error; 348 u32 bar_error;
349 u16 lut_table_entries; 349 u16 lut_table_entries;
350 u16 lut_table_offset; 350 u16 lut_table_offset;
351 u32 lut_error; 351 u32 lut_error;
352 u16 req_id_table_size; 352 u16 req_id_table_size;
353 u16 req_id_table_offset; 353 u16 req_id_table_offset;
354 u32 req_id_error; 354 u32 req_id_error;
355 u32 reserved1[7]; 355 u32 reserved1[7];
356 struct { 356 struct {
357 u32 ctl; 357 u32 ctl;
358 u32 win_size; 358 u32 win_size;
359 u64 xlate_addr; 359 u64 xlate_addr;
360 } bar_entry[6]; 360 } bar_entry[6];
361 struct { 361 struct {
362 u32 win_size; 362 u32 win_size;
363 u32 reserved[3]; 363 u32 reserved[3];
364 } bar_ext_entry[6]; 364 } bar_ext_entry[6];
365 u32 reserved2[192]; 365 u32 reserved2[192];
366 u32 req_id_table[512]; 366 u32 req_id_table[512];
367 u32 reserved3[256]; 367 u32 reserved3[256];
368 u64 lut_entry[512]; 368 u64 lut_entry[512];
369 } __packed; 369 } __packed;
370 370
371 #define NTB_DBMSG_IMSG_STATUS BIT_ULL(32) 371 #define NTB_DBMSG_IMSG_STATUS BIT_ULL(32)
372 #define NTB_DBMSG_IMSG_MASK BIT_ULL(40) 372 #define NTB_DBMSG_IMSG_MASK BIT_ULL(40)
373 373
374 struct ntb_dbmsg_regs { 374 struct ntb_dbmsg_regs {
375 u32 reserved1[1024]; 375 u32 reserved1[1024];
376 u64 odb; 376 u64 odb;
377 u64 odb_mask; 377 u64 odb_mask;
378 u64 idb; 378 u64 idb;
379 u64 idb_mask; 379 u64 idb_mask;
380 u8 idb_vec_map[64]; 380 u8 idb_vec_map[64];
381 u32 msg_map; 381 u32 msg_map;
382 u32 reserved2; 382 u32 reserved2;
383 struct { 383 struct {
384 u32 msg; 384 u32 msg;
385 u32 status; 385 u32 status;
386 } omsg[4]; 386 } omsg[4];
387 387
388 struct { 388 struct {
389 u32 msg; 389 u32 msg;
390 u8 status; 390 u8 status;
391 u8 mask; 391 u8 mask;
392 u8 src; 392 u8 src;
393 u8 reserved; 393 u8 reserved;
394 } imsg[4]; 394 } imsg[4];
395 395
396 u8 reserved3[3928]; 396 u8 reserved3[3928];
397 u8 msix_table[1024]; 397 u8 msix_table[1024];
398 u8 reserved4[3072]; 398 u8 reserved4[3072];
399 u8 pba[24]; 399 u8 pba[24];
400 u8 reserved5[4072]; 400 u8 reserved5[4072];
401 } __packed; 401 } __packed;
402 402
403 enum { 403 enum {
404 SWITCHTEC_PART_CFG_EVENT_RESET = 1 << 404 SWITCHTEC_PART_CFG_EVENT_RESET = 1 << 0,
405 SWITCHTEC_PART_CFG_EVENT_MRPC_CMP = 1 405 SWITCHTEC_PART_CFG_EVENT_MRPC_CMP = 1 << 1,
406 SWITCHTEC_PART_CFG_EVENT_MRPC_ASYNC_CM 406 SWITCHTEC_PART_CFG_EVENT_MRPC_ASYNC_CMP = 1 << 2,
407 SWITCHTEC_PART_CFG_EVENT_DYN_PART_CMP 407 SWITCHTEC_PART_CFG_EVENT_DYN_PART_CMP = 1 << 3,
408 }; 408 };
409 409
410 struct pff_csr_regs { 410 struct pff_csr_regs {
411 u16 vendor_id; 411 u16 vendor_id;
412 u16 device_id; 412 u16 device_id;
413 u16 pcicmd; 413 u16 pcicmd;
414 u16 pcists; 414 u16 pcists;
415 u32 pci_class; 415 u32 pci_class;
416 u32 pci_opts; 416 u32 pci_opts;
417 union { 417 union {
418 u32 pci_bar[6]; 418 u32 pci_bar[6];
419 u64 pci_bar64[3]; 419 u64 pci_bar64[3];
420 }; 420 };
421 u32 pci_cardbus; 421 u32 pci_cardbus;
422 u32 pci_subsystem_id; 422 u32 pci_subsystem_id;
423 u32 pci_expansion_rom; 423 u32 pci_expansion_rom;
424 u32 pci_cap_ptr; 424 u32 pci_cap_ptr;
425 u32 reserved1; 425 u32 reserved1;
426 u32 pci_irq; 426 u32 pci_irq;
427 u32 pci_cap_region[48]; 427 u32 pci_cap_region[48];
428 u32 pcie_cap_region[448]; 428 u32 pcie_cap_region[448];
429 u32 indirect_gas_window[128]; 429 u32 indirect_gas_window[128];
430 u32 indirect_gas_window_off; 430 u32 indirect_gas_window_off;
431 u32 reserved[127]; 431 u32 reserved[127];
432 u32 pff_event_summary; 432 u32 pff_event_summary;
433 u32 reserved2[3]; 433 u32 reserved2[3];
434 u32 aer_in_p2p_hdr; 434 u32 aer_in_p2p_hdr;
435 u32 aer_in_p2p_data[5]; 435 u32 aer_in_p2p_data[5];
436 u32 aer_in_vep_hdr; 436 u32 aer_in_vep_hdr;
437 u32 aer_in_vep_data[5]; 437 u32 aer_in_vep_data[5];
438 u32 dpc_hdr; 438 u32 dpc_hdr;
439 u32 dpc_data[5]; 439 u32 dpc_data[5];
440 u32 cts_hdr; 440 u32 cts_hdr;
441 u32 cts_data[5]; 441 u32 cts_data[5];
442 u32 uec_hdr; 442 u32 uec_hdr;
443 u32 uec_data[5]; 443 u32 uec_data[5];
444 u32 hotplug_hdr; 444 u32 hotplug_hdr;
445 u32 hotplug_data[5]; 445 u32 hotplug_data[5];
446 u32 ier_hdr; 446 u32 ier_hdr;
447 u32 ier_data[5]; 447 u32 ier_data[5];
448 u32 threshold_hdr; 448 u32 threshold_hdr;
449 u32 threshold_data[5]; 449 u32 threshold_data[5];
450 u32 power_mgmt_hdr; 450 u32 power_mgmt_hdr;
451 u32 power_mgmt_data[5]; 451 u32 power_mgmt_data[5];
452 u32 tlp_throttling_hdr; 452 u32 tlp_throttling_hdr;
453 u32 tlp_throttling_data[5]; 453 u32 tlp_throttling_data[5];
454 u32 force_speed_hdr; 454 u32 force_speed_hdr;
455 u32 force_speed_data[5]; 455 u32 force_speed_data[5];
456 u32 credit_timeout_hdr; 456 u32 credit_timeout_hdr;
457 u32 credit_timeout_data[5]; 457 u32 credit_timeout_data[5];
458 u32 link_state_hdr; 458 u32 link_state_hdr;
459 u32 link_state_data[5]; 459 u32 link_state_data[5];
460 u32 reserved4[174]; 460 u32 reserved4[174];
461 } __packed; 461 } __packed;
462 462
463 struct switchtec_ntb; 463 struct switchtec_ntb;
464 464
465 struct dma_mrpc_output { 465 struct dma_mrpc_output {
466 u32 status; 466 u32 status;
467 u32 cmd_id; 467 u32 cmd_id;
468 u32 rtn_code; 468 u32 rtn_code;
469 u32 output_size; 469 u32 output_size;
470 u8 data[SWITCHTEC_MRPC_PAYLOAD_SIZE]; 470 u8 data[SWITCHTEC_MRPC_PAYLOAD_SIZE];
471 }; 471 };
472 472
473 struct switchtec_dev { 473 struct switchtec_dev {
474 struct pci_dev *pdev; 474 struct pci_dev *pdev;
475 struct device dev; 475 struct device dev;
476 struct cdev cdev; 476 struct cdev cdev;
477 477
478 enum switchtec_gen gen; 478 enum switchtec_gen gen;
479 479
480 int partition; 480 int partition;
481 int partition_count; 481 int partition_count;
482 int pff_csr_count; 482 int pff_csr_count;
483 char pff_local[SWITCHTEC_MAX_PFF_CSR]; 483 char pff_local[SWITCHTEC_MAX_PFF_CSR];
484 484
485 void __iomem *mmio; 485 void __iomem *mmio;
486 struct mrpc_regs __iomem *mmio_mrpc; 486 struct mrpc_regs __iomem *mmio_mrpc;
487 struct sw_event_regs __iomem *mmio_sw_ 487 struct sw_event_regs __iomem *mmio_sw_event;
488 struct sys_info_regs __iomem *mmio_sys 488 struct sys_info_regs __iomem *mmio_sys_info;
489 struct flash_info_regs __iomem *mmio_f 489 struct flash_info_regs __iomem *mmio_flash_info;
490 struct ntb_info_regs __iomem *mmio_ntb 490 struct ntb_info_regs __iomem *mmio_ntb;
491 struct part_cfg_regs __iomem *mmio_par 491 struct part_cfg_regs __iomem *mmio_part_cfg;
492 struct part_cfg_regs __iomem *mmio_par 492 struct part_cfg_regs __iomem *mmio_part_cfg_all;
493 struct pff_csr_regs __iomem *mmio_pff_ 493 struct pff_csr_regs __iomem *mmio_pff_csr;
494 494
495 /* 495 /*
496 * The mrpc mutex must be held when ac 496 * The mrpc mutex must be held when accessing the other
497 * mrpc_ fields, alive flag and stuser 497 * mrpc_ fields, alive flag and stuser->state field
498 */ 498 */
499 struct mutex mrpc_mutex; 499 struct mutex mrpc_mutex;
500 struct list_head mrpc_queue; 500 struct list_head mrpc_queue;
501 int mrpc_busy; 501 int mrpc_busy;
502 struct work_struct mrpc_work; 502 struct work_struct mrpc_work;
503 struct delayed_work mrpc_timeout; 503 struct delayed_work mrpc_timeout;
504 bool alive; 504 bool alive;
505 505
506 wait_queue_head_t event_wq; 506 wait_queue_head_t event_wq;
507 atomic_t event_cnt; 507 atomic_t event_cnt;
508 508
509 struct work_struct link_event_work; 509 struct work_struct link_event_work;
510 void (*link_notifier)(struct switchtec 510 void (*link_notifier)(struct switchtec_dev *stdev);
511 u8 link_event_count[SWITCHTEC_MAX_PFF_ 511 u8 link_event_count[SWITCHTEC_MAX_PFF_CSR];
512 512
513 struct switchtec_ntb *sndev; 513 struct switchtec_ntb *sndev;
514 514
515 struct dma_mrpc_output *dma_mrpc; 515 struct dma_mrpc_output *dma_mrpc;
516 dma_addr_t dma_mrpc_dma_addr; 516 dma_addr_t dma_mrpc_dma_addr;
517 }; 517 };
518 518
519 static inline struct switchtec_dev *to_stdev(s 519 static inline struct switchtec_dev *to_stdev(struct device *dev)
520 { 520 {
521 return container_of(dev, struct switch 521 return container_of(dev, struct switchtec_dev, dev);
522 } 522 }
523 523
524 extern const struct class switchtec_class; !! 524 extern struct class *switchtec_class;
525 525
526 #endif 526 #endif
527 527
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