1 | /* SPDX-License-Identifier: GPL-2.0 */ |
2 | /* |
3 | * Freescale Management Complex (MC) bus private declarations |
4 | * |
5 | * Copyright (C) 2016 Freescale Semiconductor, Inc. |
6 | * |
7 | */ |
8 | #ifndef _FSL_MC_PRIVATE_H_ |
9 | #define _FSL_MC_PRIVATE_H_ |
10 | |
11 | #include <linux/fsl/mc.h> |
12 | #include <linux/mutex.h> |
13 | #include <linux/ioctl.h> |
14 | #include <linux/miscdevice.h> |
15 | |
16 | /* |
17 | * Data Path Management Complex (DPMNG) General API |
18 | */ |
19 | |
20 | /* DPMNG command versioning */ |
21 | #define DPMNG_CMD_BASE_VERSION 1 |
22 | #define DPMNG_CMD_ID_OFFSET 4 |
23 | |
24 | #define DPMNG_CMD(id) (((id) << DPMNG_CMD_ID_OFFSET) | DPMNG_CMD_BASE_VERSION) |
25 | |
26 | /* DPMNG command IDs */ |
27 | #define DPMNG_CMDID_GET_VERSION DPMNG_CMD(0x831) |
28 | |
29 | struct dpmng_rsp_get_version { |
30 | __le32 revision; |
31 | __le32 version_major; |
32 | __le32 version_minor; |
33 | }; |
34 | |
35 | /* |
36 | * Data Path Management Command Portal (DPMCP) API |
37 | */ |
38 | |
39 | /* Minimal supported DPMCP Version */ |
40 | #define DPMCP_MIN_VER_MAJOR 3 |
41 | #define DPMCP_MIN_VER_MINOR 0 |
42 | |
43 | /* DPMCP command versioning */ |
44 | #define DPMCP_CMD_BASE_VERSION 1 |
45 | #define DPMCP_CMD_ID_OFFSET 4 |
46 | |
47 | #define DPMCP_CMD(id) (((id) << DPMCP_CMD_ID_OFFSET) | DPMCP_CMD_BASE_VERSION) |
48 | |
49 | /* DPMCP command IDs */ |
50 | #define DPMCP_CMDID_CLOSE DPMCP_CMD(0x800) |
51 | #define DPMCP_CMDID_RESET DPMCP_CMD(0x005) |
52 | |
53 | struct dpmcp_cmd_open { |
54 | __le32 dpmcp_id; |
55 | }; |
56 | |
57 | /* |
58 | * Initialization and runtime control APIs for DPMCP |
59 | */ |
60 | int dpmcp_open(struct fsl_mc_io *mc_io, |
61 | u32 cmd_flags, |
62 | int dpmcp_id, |
63 | u16 *token); |
64 | |
65 | int dpmcp_close(struct fsl_mc_io *mc_io, |
66 | u32 cmd_flags, |
67 | u16 token); |
68 | |
69 | int dpmcp_reset(struct fsl_mc_io *mc_io, |
70 | u32 cmd_flags, |
71 | u16 token); |
72 | |
73 | /* |
74 | * Data Path Resource Container (DPRC) API |
75 | */ |
76 | |
77 | /* Minimal supported DPRC Version */ |
78 | #define DPRC_MIN_VER_MAJOR 6 |
79 | #define DPRC_MIN_VER_MINOR 0 |
80 | |
81 | /* DPRC command versioning */ |
82 | #define DPRC_CMD_BASE_VERSION 1 |
83 | #define DPRC_CMD_2ND_VERSION 2 |
84 | #define DPRC_CMD_3RD_VERSION 3 |
85 | #define DPRC_CMD_ID_OFFSET 4 |
86 | |
87 | #define DPRC_CMD(id) (((id) << DPRC_CMD_ID_OFFSET) | DPRC_CMD_BASE_VERSION) |
88 | #define DPRC_CMD_V2(id) (((id) << DPRC_CMD_ID_OFFSET) | DPRC_CMD_2ND_VERSION) |
89 | #define DPRC_CMD_V3(id) (((id) << DPRC_CMD_ID_OFFSET) | DPRC_CMD_3RD_VERSION) |
90 | |
91 | /* DPRC command IDs */ |
92 | #define DPRC_CMDID_CLOSE DPRC_CMD(0x800) |
93 | #define DPRC_CMDID_GET_API_VERSION DPRC_CMD(0xa05) |
94 | |
95 | #define DPRC_CMDID_GET_ATTR DPRC_CMD(0x004) |
96 | #define DPRC_CMDID_RESET_CONT DPRC_CMD(0x005) |
97 | #define DPRC_CMDID_RESET_CONT_V2 DPRC_CMD_V2(0x005) |
98 | |
99 | #define DPRC_CMDID_SET_IRQ DPRC_CMD(0x010) |
100 | #define DPRC_CMDID_SET_IRQ_ENABLE DPRC_CMD(0x012) |
101 | #define DPRC_CMDID_SET_IRQ_MASK DPRC_CMD(0x014) |
102 | #define DPRC_CMDID_GET_IRQ_STATUS DPRC_CMD(0x016) |
103 | #define DPRC_CMDID_CLEAR_IRQ_STATUS DPRC_CMD(0x017) |
104 | |
105 | #define DPRC_CMDID_GET_CONT_ID DPRC_CMD(0x830) |
106 | #define DPRC_CMDID_GET_OBJ_COUNT DPRC_CMD(0x159) |
107 | #define DPRC_CMDID_GET_OBJ DPRC_CMD(0x15A) |
108 | #define DPRC_CMDID_GET_OBJ_REG DPRC_CMD(0x15E) |
109 | #define DPRC_CMDID_GET_OBJ_REG_V2 DPRC_CMD_V2(0x15E) |
110 | #define DPRC_CMDID_GET_OBJ_REG_V3 DPRC_CMD_V3(0x15E) |
111 | #define DPRC_CMDID_SET_OBJ_IRQ DPRC_CMD(0x15F) |
112 | |
113 | #define DPRC_CMDID_GET_CONNECTION DPRC_CMD(0x16C) |
114 | |
115 | struct dprc_cmd_open { |
116 | __le32 container_id; |
117 | }; |
118 | |
119 | struct dprc_cmd_reset_container { |
120 | __le32 child_container_id; |
121 | __le32 options; |
122 | }; |
123 | |
124 | struct dprc_cmd_set_irq { |
125 | /* cmd word 0 */ |
126 | __le32 irq_val; |
127 | u8 irq_index; |
128 | u8 pad[3]; |
129 | /* cmd word 1 */ |
130 | __le64 irq_addr; |
131 | /* cmd word 2 */ |
132 | __le32 irq_num; |
133 | }; |
134 | |
135 | #define DPRC_ENABLE 0x1 |
136 | |
137 | struct dprc_cmd_set_irq_enable { |
138 | u8 enable; |
139 | u8 pad[3]; |
140 | u8 irq_index; |
141 | }; |
142 | |
143 | struct dprc_cmd_set_irq_mask { |
144 | __le32 mask; |
145 | u8 irq_index; |
146 | }; |
147 | |
148 | struct dprc_cmd_get_irq_status { |
149 | __le32 status; |
150 | u8 irq_index; |
151 | }; |
152 | |
153 | struct dprc_rsp_get_irq_status { |
154 | __le32 status; |
155 | }; |
156 | |
157 | struct dprc_cmd_clear_irq_status { |
158 | __le32 status; |
159 | u8 irq_index; |
160 | }; |
161 | |
162 | struct dprc_rsp_get_attributes { |
163 | /* response word 0 */ |
164 | __le32 container_id; |
165 | __le32 icid; |
166 | /* response word 1 */ |
167 | __le32 options; |
168 | __le32 portal_id; |
169 | }; |
170 | |
171 | struct dprc_rsp_get_obj_count { |
172 | __le32 pad; |
173 | __le32 obj_count; |
174 | }; |
175 | |
176 | struct dprc_cmd_get_obj { |
177 | __le32 obj_index; |
178 | }; |
179 | |
180 | struct dprc_rsp_get_obj { |
181 | /* response word 0 */ |
182 | __le32 pad0; |
183 | __le32 id; |
184 | /* response word 1 */ |
185 | __le16 vendor; |
186 | u8 irq_count; |
187 | u8 region_count; |
188 | __le32 state; |
189 | /* response word 2 */ |
190 | __le16 version_major; |
191 | __le16 version_minor; |
192 | __le16 flags; |
193 | __le16 pad1; |
194 | /* response word 3-4 */ |
195 | u8 type[16]; |
196 | /* response word 5-6 */ |
197 | u8 label[16]; |
198 | }; |
199 | |
200 | struct dprc_cmd_get_obj_region { |
201 | /* cmd word 0 */ |
202 | __le32 obj_id; |
203 | __le16 pad0; |
204 | u8 region_index; |
205 | u8 pad1; |
206 | /* cmd word 1-2 */ |
207 | __le64 pad2[2]; |
208 | /* cmd word 3-4 */ |
209 | u8 obj_type[16]; |
210 | }; |
211 | |
212 | struct dprc_rsp_get_obj_region { |
213 | /* response word 0 */ |
214 | __le64 pad0; |
215 | /* response word 1 */ |
216 | __le64 base_offset; |
217 | /* response word 2 */ |
218 | __le32 size; |
219 | u8 type; |
220 | u8 pad2[3]; |
221 | /* response word 3 */ |
222 | __le32 flags; |
223 | __le32 pad3; |
224 | /* response word 4 */ |
225 | /* base_addr may be zero if older MC firmware is used */ |
226 | __le64 base_addr; |
227 | }; |
228 | |
229 | struct dprc_cmd_set_obj_irq { |
230 | /* cmd word 0 */ |
231 | __le32 irq_val; |
232 | u8 irq_index; |
233 | u8 pad[3]; |
234 | /* cmd word 1 */ |
235 | __le64 irq_addr; |
236 | /* cmd word 2 */ |
237 | __le32 irq_num; |
238 | __le32 obj_id; |
239 | /* cmd word 3-4 */ |
240 | u8 obj_type[16]; |
241 | }; |
242 | |
243 | struct dprc_cmd_get_connection { |
244 | __le32 ep1_id; |
245 | __le16 ep1_interface_id; |
246 | u8 pad[2]; |
247 | u8 ep1_type[16]; |
248 | }; |
249 | |
250 | struct dprc_rsp_get_connection { |
251 | __le64 pad[3]; |
252 | __le32 ep2_id; |
253 | __le16 ep2_interface_id; |
254 | __le16 pad1; |
255 | u8 ep2_type[16]; |
256 | __le32 state; |
257 | }; |
258 | |
259 | /* |
260 | * DPRC API for managing and querying DPAA resources |
261 | */ |
262 | int dprc_open(struct fsl_mc_io *mc_io, |
263 | u32 cmd_flags, |
264 | int container_id, |
265 | u16 *token); |
266 | |
267 | int dprc_close(struct fsl_mc_io *mc_io, |
268 | u32 cmd_flags, |
269 | u16 token); |
270 | |
271 | /* DPRC IRQ events */ |
272 | |
273 | /* IRQ event - Indicates that a new object added to the container */ |
274 | #define DPRC_IRQ_EVENT_OBJ_ADDED 0x00000001 |
275 | /* IRQ event - Indicates that an object was removed from the container */ |
276 | #define DPRC_IRQ_EVENT_OBJ_REMOVED 0x00000002 |
277 | /* |
278 | * IRQ event - Indicates that one of the descendant containers that opened by |
279 | * this container is destroyed |
280 | */ |
281 | #define DPRC_IRQ_EVENT_CONTAINER_DESTROYED 0x00000010 |
282 | |
283 | /* |
284 | * IRQ event - Indicates that on one of the container's opened object is |
285 | * destroyed |
286 | */ |
287 | #define DPRC_IRQ_EVENT_OBJ_DESTROYED 0x00000020 |
288 | |
289 | /* Irq event - Indicates that object is created at the container */ |
290 | #define DPRC_IRQ_EVENT_OBJ_CREATED 0x00000040 |
291 | |
292 | /** |
293 | * struct dprc_irq_cfg - IRQ configuration |
294 | * @paddr: Address that must be written to signal a message-based interrupt |
295 | * @val: Value to write into irq_addr address |
296 | * @irq_num: A user defined number associated with this IRQ |
297 | */ |
298 | struct dprc_irq_cfg { |
299 | phys_addr_t paddr; |
300 | u32 val; |
301 | int irq_num; |
302 | }; |
303 | |
304 | int dprc_set_irq(struct fsl_mc_io *mc_io, |
305 | u32 cmd_flags, |
306 | u16 token, |
307 | u8 irq_index, |
308 | struct dprc_irq_cfg *irq_cfg); |
309 | |
310 | int dprc_set_irq_enable(struct fsl_mc_io *mc_io, |
311 | u32 cmd_flags, |
312 | u16 token, |
313 | u8 irq_index, |
314 | u8 en); |
315 | |
316 | int dprc_set_irq_mask(struct fsl_mc_io *mc_io, |
317 | u32 cmd_flags, |
318 | u16 token, |
319 | u8 irq_index, |
320 | u32 mask); |
321 | |
322 | int dprc_get_irq_status(struct fsl_mc_io *mc_io, |
323 | u32 cmd_flags, |
324 | u16 token, |
325 | u8 irq_index, |
326 | u32 *status); |
327 | |
328 | int dprc_clear_irq_status(struct fsl_mc_io *mc_io, |
329 | u32 cmd_flags, |
330 | u16 token, |
331 | u8 irq_index, |
332 | u32 status); |
333 | |
334 | /** |
335 | * struct dprc_attributes - Container attributes |
336 | * @container_id: Container's ID |
337 | * @icid: Container's ICID |
338 | * @portal_id: Container's portal ID |
339 | * @options: Container's options as set at container's creation |
340 | */ |
341 | struct dprc_attributes { |
342 | int container_id; |
343 | u32 icid; |
344 | int portal_id; |
345 | u64 options; |
346 | }; |
347 | |
348 | int dprc_get_attributes(struct fsl_mc_io *mc_io, |
349 | u32 cmd_flags, |
350 | u16 token, |
351 | struct dprc_attributes *attributes); |
352 | |
353 | int dprc_get_obj_count(struct fsl_mc_io *mc_io, |
354 | u32 cmd_flags, |
355 | u16 token, |
356 | int *obj_count); |
357 | |
358 | int dprc_get_obj(struct fsl_mc_io *mc_io, |
359 | u32 cmd_flags, |
360 | u16 token, |
361 | int obj_index, |
362 | struct fsl_mc_obj_desc *obj_desc); |
363 | |
364 | int dprc_set_obj_irq(struct fsl_mc_io *mc_io, |
365 | u32 cmd_flags, |
366 | u16 token, |
367 | char *obj_type, |
368 | int obj_id, |
369 | u8 irq_index, |
370 | struct dprc_irq_cfg *irq_cfg); |
371 | /** |
372 | * enum dprc_region_type - Region type |
373 | * @DPRC_REGION_TYPE_MC_PORTAL: MC portal region |
374 | * @DPRC_REGION_TYPE_QBMAN_PORTAL: Qbman portal region |
375 | */ |
376 | enum dprc_region_type { |
377 | DPRC_REGION_TYPE_MC_PORTAL, |
378 | DPRC_REGION_TYPE_QBMAN_PORTAL, |
379 | DPRC_REGION_TYPE_QBMAN_MEM_BACKED_PORTAL |
380 | }; |
381 | |
382 | /** |
383 | * struct dprc_region_desc - Mappable region descriptor |
384 | * @base_offset: Region offset from region's base address. |
385 | * For DPMCP and DPRC objects, region base is offset from SoC MC portals |
386 | * base address; For DPIO, region base is offset from SoC QMan portals |
387 | * base address |
388 | * @size: Region size (in bytes) |
389 | * @flags: Region attributes |
390 | * @type: Portal region type |
391 | */ |
392 | struct dprc_region_desc { |
393 | u32 base_offset; |
394 | u32 size; |
395 | u32 flags; |
396 | enum dprc_region_type type; |
397 | u64 base_address; |
398 | }; |
399 | |
400 | int dprc_get_obj_region(struct fsl_mc_io *mc_io, |
401 | u32 cmd_flags, |
402 | u16 token, |
403 | char *obj_type, |
404 | int obj_id, |
405 | u8 region_index, |
406 | struct dprc_region_desc *region_desc); |
407 | |
408 | int dprc_get_api_version(struct fsl_mc_io *mc_io, |
409 | u32 cmd_flags, |
410 | u16 *major_ver, |
411 | u16 *minor_ver); |
412 | |
413 | int dprc_get_container_id(struct fsl_mc_io *mc_io, |
414 | u32 cmd_flags, |
415 | int *container_id); |
416 | |
417 | /** |
418 | * struct dprc_endpoint - Endpoint description for link connect/disconnect |
419 | * operations |
420 | * @type: Endpoint object type: NULL terminated string |
421 | * @id: Endpoint object ID |
422 | * @if_id: Interface ID; should be set for endpoints with multiple |
423 | * interfaces ("dpsw", "dpdmux"); for others, always set to 0 |
424 | */ |
425 | struct dprc_endpoint { |
426 | char type[16]; |
427 | int id; |
428 | u16 if_id; |
429 | }; |
430 | |
431 | int dprc_get_connection(struct fsl_mc_io *mc_io, |
432 | u32 cmd_flags, |
433 | u16 token, |
434 | const struct dprc_endpoint *endpoint1, |
435 | struct dprc_endpoint *endpoint2, |
436 | int *state); |
437 | |
438 | /* |
439 | * Data Path Buffer Pool (DPBP) API |
440 | */ |
441 | |
442 | /* DPBP Version */ |
443 | #define DPBP_VER_MAJOR 3 |
444 | #define DPBP_VER_MINOR 2 |
445 | |
446 | /* Command versioning */ |
447 | #define DPBP_CMD_BASE_VERSION 1 |
448 | #define DPBP_CMD_ID_OFFSET 4 |
449 | |
450 | #define DPBP_CMD(id) (((id) << DPBP_CMD_ID_OFFSET) | DPBP_CMD_BASE_VERSION) |
451 | |
452 | /* Command IDs */ |
453 | #define DPBP_CMDID_CLOSE DPBP_CMD(0x800) |
454 | |
455 | #define DPBP_CMDID_ENABLE DPBP_CMD(0x002) |
456 | #define DPBP_CMDID_DISABLE DPBP_CMD(0x003) |
457 | #define DPBP_CMDID_GET_ATTR DPBP_CMD(0x004) |
458 | #define DPBP_CMDID_RESET DPBP_CMD(0x005) |
459 | |
460 | struct dpbp_cmd_open { |
461 | __le32 dpbp_id; |
462 | }; |
463 | |
464 | #define DPBP_ENABLE 0x1 |
465 | |
466 | struct dpbp_rsp_get_attributes { |
467 | /* response word 0 */ |
468 | __le16 pad; |
469 | __le16 bpid; |
470 | __le32 id; |
471 | /* response word 1 */ |
472 | __le16 version_major; |
473 | __le16 version_minor; |
474 | }; |
475 | |
476 | /* |
477 | * Data Path Concentrator (DPCON) API |
478 | */ |
479 | |
480 | /* DPCON Version */ |
481 | #define DPCON_VER_MAJOR 3 |
482 | #define DPCON_VER_MINOR 2 |
483 | |
484 | /* Command versioning */ |
485 | #define DPCON_CMD_BASE_VERSION 1 |
486 | #define DPCON_CMD_ID_OFFSET 4 |
487 | |
488 | #define DPCON_CMD(id) (((id) << DPCON_CMD_ID_OFFSET) | DPCON_CMD_BASE_VERSION) |
489 | |
490 | /* Command IDs */ |
491 | #define DPCON_CMDID_CLOSE DPCON_CMD(0x800) |
492 | |
493 | #define DPCON_CMDID_ENABLE DPCON_CMD(0x002) |
494 | #define DPCON_CMDID_DISABLE DPCON_CMD(0x003) |
495 | #define DPCON_CMDID_GET_ATTR DPCON_CMD(0x004) |
496 | #define DPCON_CMDID_RESET DPCON_CMD(0x005) |
497 | |
498 | #define DPCON_CMDID_SET_NOTIFICATION DPCON_CMD(0x100) |
499 | |
500 | struct dpcon_cmd_open { |
501 | __le32 dpcon_id; |
502 | }; |
503 | |
504 | #define DPCON_ENABLE 1 |
505 | |
506 | struct dpcon_rsp_get_attr { |
507 | /* response word 0 */ |
508 | __le32 id; |
509 | __le16 qbman_ch_id; |
510 | u8 num_priorities; |
511 | u8 pad; |
512 | }; |
513 | |
514 | struct dpcon_cmd_set_notification { |
515 | /* cmd word 0 */ |
516 | __le32 dpio_id; |
517 | u8 priority; |
518 | u8 pad[3]; |
519 | /* cmd word 1 */ |
520 | __le64 user_ctx; |
521 | }; |
522 | |
523 | /* |
524 | * Generic FSL MC API |
525 | */ |
526 | |
527 | /* generic command versioning */ |
528 | #define OBJ_CMD_BASE_VERSION 1 |
529 | #define OBJ_CMD_ID_OFFSET 4 |
530 | |
531 | #define OBJ_CMD(id) (((id) << OBJ_CMD_ID_OFFSET) | OBJ_CMD_BASE_VERSION) |
532 | |
533 | /* open command codes */ |
534 | #define DPRTC_CMDID_OPEN OBJ_CMD(0x810) |
535 | #define DPNI_CMDID_OPEN OBJ_CMD(0x801) |
536 | #define DPSW_CMDID_OPEN OBJ_CMD(0x802) |
537 | #define DPIO_CMDID_OPEN OBJ_CMD(0x803) |
538 | #define DPBP_CMDID_OPEN OBJ_CMD(0x804) |
539 | #define DPRC_CMDID_OPEN OBJ_CMD(0x805) |
540 | #define DPDMUX_CMDID_OPEN OBJ_CMD(0x806) |
541 | #define DPCI_CMDID_OPEN OBJ_CMD(0x807) |
542 | #define DPCON_CMDID_OPEN OBJ_CMD(0x808) |
543 | #define DPSECI_CMDID_OPEN OBJ_CMD(0x809) |
544 | #define DPAIOP_CMDID_OPEN OBJ_CMD(0x80a) |
545 | #define DPMCP_CMDID_OPEN OBJ_CMD(0x80b) |
546 | #define DPMAC_CMDID_OPEN OBJ_CMD(0x80c) |
547 | #define DPDCEI_CMDID_OPEN OBJ_CMD(0x80d) |
548 | #define DPDMAI_CMDID_OPEN OBJ_CMD(0x80e) |
549 | #define DPDBG_CMDID_OPEN OBJ_CMD(0x80f) |
550 | |
551 | /* Generic object command IDs */ |
552 | #define OBJ_CMDID_CLOSE OBJ_CMD(0x800) |
553 | #define OBJ_CMDID_RESET OBJ_CMD(0x005) |
554 | |
555 | struct fsl_mc_obj_cmd_open { |
556 | __le32 obj_id; |
557 | }; |
558 | |
559 | /** |
560 | * struct fsl_mc_resource_pool - Pool of MC resources of a given |
561 | * type |
562 | * @type: type of resources in the pool |
563 | * @max_count: maximum number of resources in the pool |
564 | * @free_count: number of free resources in the pool |
565 | * @mutex: mutex to serialize access to the pool's free list |
566 | * @free_list: anchor node of list of free resources in the pool |
567 | * @mc_bus: pointer to the MC bus that owns this resource pool |
568 | */ |
569 | struct fsl_mc_resource_pool { |
570 | enum fsl_mc_pool_type type; |
571 | int max_count; |
572 | int free_count; |
573 | struct mutex mutex; /* serializes access to free_list */ |
574 | struct list_head free_list; |
575 | struct fsl_mc_bus *mc_bus; |
576 | }; |
577 | |
578 | /** |
579 | * struct fsl_mc_uapi - information associated with a device file |
580 | * @misc: struct miscdevice linked to the root dprc |
581 | * @device: newly created device in /dev |
582 | * @mutex: mutex lock to serialize the open/release operations |
583 | * @local_instance_in_use: local MC I/O instance in use or not |
584 | * @static_mc_io: pointer to the static MC I/O object |
585 | */ |
586 | struct fsl_mc_uapi { |
587 | struct miscdevice misc; |
588 | struct device *device; |
589 | struct mutex mutex; /* serialize open/release operations */ |
590 | u32 local_instance_in_use; |
591 | struct fsl_mc_io *static_mc_io; |
592 | }; |
593 | |
594 | /** |
595 | * struct fsl_mc_bus - logical bus that corresponds to a physical DPRC |
596 | * @mc_dev: fsl-mc device for the bus device itself. |
597 | * @resource_pools: array of resource pools (one pool per resource type) |
598 | * for this MC bus. These resources represent allocatable entities |
599 | * from the physical DPRC. |
600 | * @irq_resources: Pointer to array of IRQ objects for the IRQ pool |
601 | * @scan_mutex: Serializes bus scanning |
602 | * @dprc_attr: DPRC attributes |
603 | * @uapi_misc: struct that abstracts the interaction with userspace |
604 | */ |
605 | struct fsl_mc_bus { |
606 | struct fsl_mc_device mc_dev; |
607 | struct fsl_mc_resource_pool resource_pools[FSL_MC_NUM_POOL_TYPES]; |
608 | struct fsl_mc_device_irq *irq_resources; |
609 | struct mutex scan_mutex; /* serializes bus scanning */ |
610 | struct dprc_attributes dprc_attr; |
611 | struct fsl_mc_uapi uapi_misc; |
612 | int irq_enabled; |
613 | }; |
614 | |
615 | #define to_fsl_mc_bus(_mc_dev) \ |
616 | container_of(_mc_dev, struct fsl_mc_bus, mc_dev) |
617 | |
618 | int __must_check fsl_mc_device_add(struct fsl_mc_obj_desc *obj_desc, |
619 | struct fsl_mc_io *mc_io, |
620 | struct device *parent_dev, |
621 | struct fsl_mc_device **new_mc_dev); |
622 | |
623 | void fsl_mc_device_remove(struct fsl_mc_device *mc_dev); |
624 | |
625 | int __init dprc_driver_init(void); |
626 | |
627 | void dprc_driver_exit(void); |
628 | |
629 | int dprc_scan_objects(struct fsl_mc_device *mc_bus_dev, |
630 | bool alloc_interrupts); |
631 | |
632 | int __init fsl_mc_allocator_driver_init(void); |
633 | |
634 | void fsl_mc_allocator_driver_exit(void); |
635 | |
636 | void fsl_mc_init_all_resource_pools(struct fsl_mc_device *mc_bus_dev); |
637 | |
638 | void fsl_mc_cleanup_all_resource_pools(struct fsl_mc_device *mc_bus_dev); |
639 | |
640 | int __must_check fsl_mc_resource_allocate(struct fsl_mc_bus *mc_bus, |
641 | enum fsl_mc_pool_type pool_type, |
642 | struct fsl_mc_resource |
643 | **new_resource); |
644 | |
645 | void fsl_mc_resource_free(struct fsl_mc_resource *resource); |
646 | |
647 | int fsl_mc_msi_domain_alloc_irqs(struct device *dev, |
648 | unsigned int irq_count); |
649 | |
650 | void fsl_mc_msi_domain_free_irqs(struct device *dev); |
651 | |
652 | struct irq_domain *fsl_mc_find_msi_domain(struct device *dev); |
653 | |
654 | int __must_check fsl_create_mc_io(struct device *dev, |
655 | phys_addr_t mc_portal_phys_addr, |
656 | u32 mc_portal_size, |
657 | struct fsl_mc_device *dpmcp_dev, |
658 | u32 flags, struct fsl_mc_io **new_mc_io); |
659 | |
660 | void fsl_destroy_mc_io(struct fsl_mc_io *mc_io); |
661 | |
662 | bool fsl_mc_is_root_dprc(struct device *dev); |
663 | |
664 | void fsl_mc_get_root_dprc(struct device *dev, |
665 | struct device **root_dprc_dev); |
666 | |
667 | struct fsl_mc_device *fsl_mc_device_lookup(struct fsl_mc_obj_desc *obj_desc, |
668 | struct fsl_mc_device *mc_bus_dev); |
669 | |
670 | u16 mc_cmd_hdr_read_cmdid(struct fsl_mc_command *cmd); |
671 | |
672 | #ifdef CONFIG_FSL_MC_UAPI_SUPPORT |
673 | |
674 | int fsl_mc_uapi_create_device_file(struct fsl_mc_bus *mc_bus); |
675 | |
676 | void fsl_mc_uapi_remove_device_file(struct fsl_mc_bus *mc_bus); |
677 | |
678 | #else |
679 | |
680 | static inline int fsl_mc_uapi_create_device_file(struct fsl_mc_bus *mc_bus) |
681 | { |
682 | return 0; |
683 | } |
684 | |
685 | static inline void fsl_mc_uapi_remove_device_file(struct fsl_mc_bus *mc_bus) |
686 | { |
687 | } |
688 | |
689 | #endif |
690 | |
691 | int disable_dprc_irq(struct fsl_mc_device *mc_dev); |
692 | int enable_dprc_irq(struct fsl_mc_device *mc_dev); |
693 | int get_dprc_irq_state(struct fsl_mc_device *mc_dev); |
694 | |
695 | #endif /* _FSL_MC_PRIVATE_H_ */ |
696 | |