xref: /linux/drivers/bus/fsl-mc/fsl-mc-private.h (revision 297d9111e9fcf47dd1dcc6f79bba915f35378d01)
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 /*
70  * Data Path Resource Container (DPRC) API
71  */
72 
73 /* Minimal supported DPRC Version */
74 #define DPRC_MIN_VER_MAJOR			6
75 #define DPRC_MIN_VER_MINOR			0
76 
77 /* DPRC command versioning */
78 #define DPRC_CMD_BASE_VERSION			1
79 #define DPRC_CMD_2ND_VERSION			2
80 #define DPRC_CMD_3RD_VERSION			3
81 #define DPRC_CMD_ID_OFFSET			4
82 
83 #define DPRC_CMD(id)	(((id) << DPRC_CMD_ID_OFFSET) | DPRC_CMD_BASE_VERSION)
84 #define DPRC_CMD_V2(id)	(((id) << DPRC_CMD_ID_OFFSET) | DPRC_CMD_2ND_VERSION)
85 #define DPRC_CMD_V3(id)	(((id) << DPRC_CMD_ID_OFFSET) | DPRC_CMD_3RD_VERSION)
86 
87 /* DPRC command IDs */
88 #define DPRC_CMDID_CLOSE                        DPRC_CMD(0x800)
89 #define DPRC_CMDID_GET_API_VERSION              DPRC_CMD(0xa05)
90 
91 #define DPRC_CMDID_GET_ATTR                     DPRC_CMD(0x004)
92 #define DPRC_CMDID_RESET_CONT                   DPRC_CMD(0x005)
93 #define DPRC_CMDID_RESET_CONT_V2                DPRC_CMD_V2(0x005)
94 
95 #define DPRC_CMDID_SET_IRQ                      DPRC_CMD(0x010)
96 #define DPRC_CMDID_SET_IRQ_ENABLE               DPRC_CMD(0x012)
97 #define DPRC_CMDID_SET_IRQ_MASK                 DPRC_CMD(0x014)
98 #define DPRC_CMDID_GET_IRQ_STATUS               DPRC_CMD(0x016)
99 #define DPRC_CMDID_CLEAR_IRQ_STATUS             DPRC_CMD(0x017)
100 
101 #define DPRC_CMDID_GET_CONT_ID                  DPRC_CMD(0x830)
102 #define DPRC_CMDID_GET_OBJ_COUNT                DPRC_CMD(0x159)
103 #define DPRC_CMDID_GET_OBJ                      DPRC_CMD(0x15A)
104 #define DPRC_CMDID_GET_OBJ_REG                  DPRC_CMD(0x15E)
105 #define DPRC_CMDID_GET_OBJ_REG_V2               DPRC_CMD_V2(0x15E)
106 #define DPRC_CMDID_GET_OBJ_REG_V3               DPRC_CMD_V3(0x15E)
107 #define DPRC_CMDID_SET_OBJ_IRQ                  DPRC_CMD(0x15F)
108 
109 #define DPRC_CMDID_GET_CONNECTION               DPRC_CMD(0x16C)
110 
111 struct dprc_cmd_open {
112 	__le32 container_id;
113 };
114 
115 struct dprc_cmd_reset_container {
116 	__le32 child_container_id;
117 	__le32 options;
118 };
119 
120 struct dprc_cmd_set_irq {
121 	/* cmd word 0 */
122 	__le32 irq_val;
123 	u8 irq_index;
124 	u8 pad[3];
125 	/* cmd word 1 */
126 	__le64 irq_addr;
127 	/* cmd word 2 */
128 	__le32 irq_num;
129 };
130 
131 #define DPRC_ENABLE		0x1
132 
133 struct dprc_cmd_set_irq_enable {
134 	u8 enable;
135 	u8 pad[3];
136 	u8 irq_index;
137 };
138 
139 struct dprc_cmd_set_irq_mask {
140 	__le32 mask;
141 	u8 irq_index;
142 };
143 
144 struct dprc_cmd_get_irq_status {
145 	__le32 status;
146 	u8 irq_index;
147 };
148 
149 struct dprc_rsp_get_irq_status {
150 	__le32 status;
151 };
152 
153 struct dprc_cmd_clear_irq_status {
154 	__le32 status;
155 	u8 irq_index;
156 };
157 
158 struct dprc_rsp_get_attributes {
159 	/* response word 0 */
160 	__le32 container_id;
161 	__le32 icid;
162 	/* response word 1 */
163 	__le32 options;
164 	__le32 portal_id;
165 };
166 
167 struct dprc_rsp_get_obj_count {
168 	__le32 pad;
169 	__le32 obj_count;
170 };
171 
172 struct dprc_cmd_get_obj {
173 	__le32 obj_index;
174 };
175 
176 struct dprc_rsp_get_obj {
177 	/* response word 0 */
178 	__le32 pad0;
179 	__le32 id;
180 	/* response word 1 */
181 	__le16 vendor;
182 	u8 irq_count;
183 	u8 region_count;
184 	__le32 state;
185 	/* response word 2 */
186 	__le16 version_major;
187 	__le16 version_minor;
188 	__le16 flags;
189 	__le16 pad1;
190 	/* response word 3-4 */
191 	u8 type[16];
192 	/* response word 5-6 */
193 	u8 label[16];
194 };
195 
196 struct dprc_cmd_get_obj_region {
197 	/* cmd word 0 */
198 	__le32 obj_id;
199 	__le16 pad0;
200 	u8 region_index;
201 	u8 pad1;
202 	/* cmd word 1-2 */
203 	__le64 pad2[2];
204 	/* cmd word 3-4 */
205 	u8 obj_type[16];
206 };
207 
208 struct dprc_rsp_get_obj_region {
209 	/* response word 0 */
210 	__le64 pad0;
211 	/* response word 1 */
212 	__le64 base_offset;
213 	/* response word 2 */
214 	__le32 size;
215 	u8 type;
216 	u8 pad2[3];
217 	/* response word 3 */
218 	__le32 flags;
219 	__le32 pad3;
220 	/* response word 4 */
221 	/* base_addr may be zero if older MC firmware is used */
222 	__le64 base_addr;
223 };
224 
225 struct dprc_cmd_set_obj_irq {
226 	/* cmd word 0 */
227 	__le32 irq_val;
228 	u8 irq_index;
229 	u8 pad[3];
230 	/* cmd word 1 */
231 	__le64 irq_addr;
232 	/* cmd word 2 */
233 	__le32 irq_num;
234 	__le32 obj_id;
235 	/* cmd word 3-4 */
236 	u8 obj_type[16];
237 };
238 
239 struct dprc_cmd_get_connection {
240 	__le32 ep1_id;
241 	__le16 ep1_interface_id;
242 	u8 pad[2];
243 	u8 ep1_type[16];
244 };
245 
246 struct dprc_rsp_get_connection {
247 	__le64 pad[3];
248 	__le32 ep2_id;
249 	__le16 ep2_interface_id;
250 	__le16 pad1;
251 	u8 ep2_type[16];
252 	__le32 state;
253 };
254 
255 /*
256  * DPRC API for managing and querying DPAA resources
257  */
258 int dprc_open(struct fsl_mc_io *mc_io,
259 	      u32 cmd_flags,
260 	      int container_id,
261 	      u16 *token);
262 
263 int dprc_close(struct fsl_mc_io *mc_io,
264 	       u32 cmd_flags,
265 	       u16 token);
266 
267 /* DPRC IRQ events */
268 
269 /* IRQ event - Indicates that a new object added to the container */
270 #define DPRC_IRQ_EVENT_OBJ_ADDED		0x00000001
271 /* IRQ event - Indicates that an object was removed from the container */
272 #define DPRC_IRQ_EVENT_OBJ_REMOVED		0x00000002
273 /*
274  * IRQ event - Indicates that one of the descendant containers that opened by
275  * this container is destroyed
276  */
277 #define DPRC_IRQ_EVENT_CONTAINER_DESTROYED	0x00000010
278 
279 /*
280  * IRQ event - Indicates that on one of the container's opened object is
281  * destroyed
282  */
283 #define DPRC_IRQ_EVENT_OBJ_DESTROYED		0x00000020
284 
285 /* Irq event - Indicates that object is created at the container */
286 #define DPRC_IRQ_EVENT_OBJ_CREATED		0x00000040
287 
288 /**
289  * struct dprc_irq_cfg - IRQ configuration
290  * @paddr:	Address that must be written to signal a message-based interrupt
291  * @val:	Value to write into irq_addr address
292  * @irq_num:	A user defined number associated with this IRQ
293  */
294 struct dprc_irq_cfg {
295 	     phys_addr_t paddr;
296 	     u32 val;
297 	     int irq_num;
298 };
299 
300 int dprc_set_irq(struct fsl_mc_io *mc_io,
301 		 u32 cmd_flags,
302 		 u16 token,
303 		 u8 irq_index,
304 		 struct dprc_irq_cfg *irq_cfg);
305 
306 int dprc_set_irq_enable(struct fsl_mc_io *mc_io,
307 			u32 cmd_flags,
308 			u16 token,
309 			u8 irq_index,
310 			u8 en);
311 
312 int dprc_set_irq_mask(struct fsl_mc_io *mc_io,
313 		      u32 cmd_flags,
314 		      u16 token,
315 		      u8 irq_index,
316 		      u32 mask);
317 
318 int dprc_get_irq_status(struct fsl_mc_io *mc_io,
319 			u32 cmd_flags,
320 			u16 token,
321 			u8 irq_index,
322 			u32 *status);
323 
324 int dprc_clear_irq_status(struct fsl_mc_io *mc_io,
325 			  u32 cmd_flags,
326 			  u16 token,
327 			  u8 irq_index,
328 			  u32 status);
329 
330 /**
331  * struct dprc_attributes - Container attributes
332  * @container_id: Container's ID
333  * @icid: Container's ICID
334  * @portal_id: Container's portal ID
335  * @options: Container's options as set at container's creation
336  */
337 struct dprc_attributes {
338 	int container_id;
339 	u32 icid;
340 	int portal_id;
341 	u64 options;
342 };
343 
344 int dprc_get_attributes(struct fsl_mc_io *mc_io,
345 			u32 cmd_flags,
346 			u16 token,
347 			struct dprc_attributes *attributes);
348 
349 int dprc_get_obj_count(struct fsl_mc_io *mc_io,
350 		       u32 cmd_flags,
351 		       u16 token,
352 		       int *obj_count);
353 
354 int dprc_get_obj(struct fsl_mc_io *mc_io,
355 		 u32 cmd_flags,
356 		 u16 token,
357 		 int obj_index,
358 		 struct fsl_mc_obj_desc *obj_desc);
359 
360 int dprc_set_obj_irq(struct fsl_mc_io *mc_io,
361 		     u32 cmd_flags,
362 		     u16 token,
363 		     char *obj_type,
364 		     int obj_id,
365 		     u8 irq_index,
366 		     struct dprc_irq_cfg *irq_cfg);
367 /**
368  * enum dprc_region_type - Region type
369  * @DPRC_REGION_TYPE_MC_PORTAL: MC portal region
370  * @DPRC_REGION_TYPE_QBMAN_PORTAL: Qbman portal region
371  */
372 enum dprc_region_type {
373 	DPRC_REGION_TYPE_MC_PORTAL,
374 	DPRC_REGION_TYPE_QBMAN_PORTAL,
375 	DPRC_REGION_TYPE_QBMAN_MEM_BACKED_PORTAL
376 };
377 
378 /**
379  * struct dprc_region_desc - Mappable region descriptor
380  * @base_offset: Region offset from region's base address.
381  *	For DPMCP and DPRC objects, region base is offset from SoC MC portals
382  *	base address; For DPIO, region base is offset from SoC QMan portals
383  *	base address
384  * @size: Region size (in bytes)
385  * @flags: Region attributes
386  * @type: Portal region type
387  */
388 struct dprc_region_desc {
389 	u32 base_offset;
390 	u32 size;
391 	u32 flags;
392 	enum dprc_region_type type;
393 	u64 base_address;
394 };
395 
396 int dprc_get_obj_region(struct fsl_mc_io *mc_io,
397 			u32 cmd_flags,
398 			u16 token,
399 			char *obj_type,
400 			int obj_id,
401 			u8 region_index,
402 			struct dprc_region_desc *region_desc);
403 
404 int dprc_get_api_version(struct fsl_mc_io *mc_io,
405 			 u32 cmd_flags,
406 			 u16 *major_ver,
407 			 u16 *minor_ver);
408 
409 int dprc_get_container_id(struct fsl_mc_io *mc_io,
410 			  u32 cmd_flags,
411 			  int *container_id);
412 
413 /**
414  * struct dprc_endpoint - Endpoint description for link connect/disconnect
415  *			operations
416  * @type:	Endpoint object type: NULL terminated string
417  * @id:		Endpoint object ID
418  * @if_id:	Interface ID; should be set for endpoints with multiple
419  *		interfaces ("dpsw", "dpdmux"); for others, always set to 0
420  */
421 struct dprc_endpoint {
422 	char type[16];
423 	int id;
424 	u16 if_id;
425 };
426 
427 int dprc_get_connection(struct fsl_mc_io *mc_io,
428 			u32 cmd_flags,
429 			u16 token,
430 			const struct dprc_endpoint *endpoint1,
431 			struct dprc_endpoint *endpoint2,
432 			int *state);
433 
434 /*
435  * Data Path Buffer Pool (DPBP) API
436  */
437 
438 /* DPBP Version */
439 #define DPBP_VER_MAJOR				3
440 #define DPBP_VER_MINOR				2
441 
442 /* Command versioning */
443 #define DPBP_CMD_BASE_VERSION			1
444 #define DPBP_CMD_ID_OFFSET			4
445 
446 #define DPBP_CMD(id)	(((id) << DPBP_CMD_ID_OFFSET) | DPBP_CMD_BASE_VERSION)
447 
448 /* Command IDs */
449 #define DPBP_CMDID_CLOSE		DPBP_CMD(0x800)
450 
451 #define DPBP_CMDID_ENABLE		DPBP_CMD(0x002)
452 #define DPBP_CMDID_DISABLE		DPBP_CMD(0x003)
453 #define DPBP_CMDID_GET_ATTR		DPBP_CMD(0x004)
454 #define DPBP_CMDID_RESET		DPBP_CMD(0x005)
455 
456 struct dpbp_cmd_open {
457 	__le32 dpbp_id;
458 };
459 
460 #define DPBP_ENABLE			0x1
461 
462 struct dpbp_rsp_get_attributes {
463 	/* response word 0 */
464 	__le16 pad;
465 	__le16 bpid;
466 	__le32 id;
467 	/* response word 1 */
468 	__le16 version_major;
469 	__le16 version_minor;
470 };
471 
472 /*
473  * Data Path Concentrator (DPCON) API
474  */
475 
476 /* DPCON Version */
477 #define DPCON_VER_MAJOR				3
478 #define DPCON_VER_MINOR				2
479 
480 /* Command versioning */
481 #define DPCON_CMD_BASE_VERSION			1
482 #define DPCON_CMD_ID_OFFSET			4
483 
484 #define DPCON_CMD(id)	(((id) << DPCON_CMD_ID_OFFSET) | DPCON_CMD_BASE_VERSION)
485 
486 /* Command IDs */
487 #define DPCON_CMDID_CLOSE			DPCON_CMD(0x800)
488 
489 #define DPCON_CMDID_ENABLE			DPCON_CMD(0x002)
490 #define DPCON_CMDID_DISABLE			DPCON_CMD(0x003)
491 #define DPCON_CMDID_GET_ATTR			DPCON_CMD(0x004)
492 #define DPCON_CMDID_RESET			DPCON_CMD(0x005)
493 
494 #define DPCON_CMDID_SET_NOTIFICATION		DPCON_CMD(0x100)
495 
496 struct dpcon_cmd_open {
497 	__le32 dpcon_id;
498 };
499 
500 #define DPCON_ENABLE			1
501 
502 struct dpcon_rsp_get_attr {
503 	/* response word 0 */
504 	__le32 id;
505 	__le16 qbman_ch_id;
506 	u8 num_priorities;
507 	u8 pad;
508 };
509 
510 struct dpcon_cmd_set_notification {
511 	/* cmd word 0 */
512 	__le32 dpio_id;
513 	u8 priority;
514 	u8 pad[3];
515 	/* cmd word 1 */
516 	__le64 user_ctx;
517 };
518 
519 /*
520  * Generic FSL MC API
521  */
522 
523 /* generic command versioning */
524 #define OBJ_CMD_BASE_VERSION		1
525 #define OBJ_CMD_ID_OFFSET		4
526 
527 #define OBJ_CMD(id)	(((id) << OBJ_CMD_ID_OFFSET) | OBJ_CMD_BASE_VERSION)
528 
529 /* open command codes */
530 #define DPRTC_CMDID_OPEN		OBJ_CMD(0x810)
531 #define DPNI_CMDID_OPEN		OBJ_CMD(0x801)
532 #define DPSW_CMDID_OPEN		OBJ_CMD(0x802)
533 #define DPIO_CMDID_OPEN		OBJ_CMD(0x803)
534 #define DPBP_CMDID_OPEN		OBJ_CMD(0x804)
535 #define DPRC_CMDID_OPEN		OBJ_CMD(0x805)
536 #define DPDMUX_CMDID_OPEN		OBJ_CMD(0x806)
537 #define DPCI_CMDID_OPEN		OBJ_CMD(0x807)
538 #define DPCON_CMDID_OPEN		OBJ_CMD(0x808)
539 #define DPSECI_CMDID_OPEN		OBJ_CMD(0x809)
540 #define DPAIOP_CMDID_OPEN		OBJ_CMD(0x80a)
541 #define DPMCP_CMDID_OPEN		OBJ_CMD(0x80b)
542 #define DPMAC_CMDID_OPEN		OBJ_CMD(0x80c)
543 #define DPDCEI_CMDID_OPEN		OBJ_CMD(0x80d)
544 #define DPDMAI_CMDID_OPEN		OBJ_CMD(0x80e)
545 #define DPDBG_CMDID_OPEN		OBJ_CMD(0x80f)
546 
547 /* Generic object command IDs */
548 #define OBJ_CMDID_CLOSE		OBJ_CMD(0x800)
549 #define OBJ_CMDID_RESET		OBJ_CMD(0x005)
550 
551 struct fsl_mc_obj_cmd_open {
552 	__le32 obj_id;
553 };
554 
555 /**
556  * struct fsl_mc_resource_pool - Pool of MC resources of a given
557  * type
558  * @type: type of resources in the pool
559  * @max_count: maximum number of resources in the pool
560  * @free_count: number of free resources in the pool
561  * @mutex: mutex to serialize access to the pool's free list
562  * @free_list: anchor node of list of free resources in the pool
563  * @mc_bus: pointer to the MC bus that owns this resource pool
564  */
565 struct fsl_mc_resource_pool {
566 	enum fsl_mc_pool_type type;
567 	int max_count;
568 	int free_count;
569 	struct mutex mutex;	/* serializes access to free_list */
570 	struct list_head free_list;
571 	struct fsl_mc_bus *mc_bus;
572 };
573 
574 /**
575  * struct fsl_mc_uapi - information associated with a device file
576  * @misc: struct miscdevice linked to the root dprc
577  * @device: newly created device in /dev
578  * @mutex: mutex lock to serialize the open/release operations
579  * @local_instance_in_use: local MC I/O instance in use or not
580  * @static_mc_io: pointer to the static MC I/O object
581  */
582 struct fsl_mc_uapi {
583 	struct miscdevice misc;
584 	struct device *device;
585 	struct mutex mutex; /* serialize open/release operations */
586 	u32 local_instance_in_use;
587 	struct fsl_mc_io *static_mc_io;
588 };
589 
590 /**
591  * struct fsl_mc_bus - logical bus that corresponds to a physical DPRC
592  * @mc_dev: fsl-mc device for the bus device itself.
593  * @resource_pools: array of resource pools (one pool per resource type)
594  * for this MC bus. These resources represent allocatable entities
595  * from the physical DPRC.
596  * @irq_resources: Pointer to array of IRQ objects for the IRQ pool
597  * @scan_mutex: Serializes bus scanning
598  * @dprc_attr: DPRC attributes
599  * @uapi_misc: struct that abstracts the interaction with userspace
600  */
601 struct fsl_mc_bus {
602 	struct fsl_mc_device mc_dev;
603 	struct fsl_mc_resource_pool resource_pools[FSL_MC_NUM_POOL_TYPES];
604 	struct fsl_mc_device_irq *irq_resources;
605 	struct mutex scan_mutex;    /* serializes bus scanning */
606 	struct dprc_attributes dprc_attr;
607 	struct fsl_mc_uapi uapi_misc;
608 	int irq_enabled;
609 };
610 
611 #define to_fsl_mc_bus(_mc_dev) \
612 	container_of(_mc_dev, struct fsl_mc_bus, mc_dev)
613 
614 int __must_check fsl_mc_device_add(struct fsl_mc_obj_desc *obj_desc,
615 				   struct fsl_mc_io *mc_io,
616 				   struct device *parent_dev,
617 				   struct fsl_mc_device **new_mc_dev);
618 
619 void fsl_mc_device_remove(struct fsl_mc_device *mc_dev);
620 
621 int __init dprc_driver_init(void);
622 
623 void dprc_driver_exit(void);
624 
625 int dprc_scan_objects(struct fsl_mc_device *mc_bus_dev,
626 		      bool alloc_interrupts);
627 
628 int __init fsl_mc_allocator_driver_init(void);
629 
630 void fsl_mc_init_all_resource_pools(struct fsl_mc_device *mc_bus_dev);
631 
632 int __must_check fsl_mc_resource_allocate(struct fsl_mc_bus *mc_bus,
633 					  enum fsl_mc_pool_type pool_type,
634 					  struct fsl_mc_resource
635 							  **new_resource);
636 
637 void fsl_mc_resource_free(struct fsl_mc_resource *resource);
638 
639 int fsl_mc_msi_domain_alloc_irqs(struct device *dev,
640 				 unsigned int irq_count);
641 
642 void fsl_mc_msi_domain_free_irqs(struct device *dev);
643 
644 struct irq_domain *fsl_mc_find_msi_domain(struct device *dev);
645 
646 int __must_check fsl_create_mc_io(struct device *dev,
647 				  phys_addr_t mc_portal_phys_addr,
648 				  u32 mc_portal_size,
649 				  struct fsl_mc_device *dpmcp_dev,
650 				  u32 flags, struct fsl_mc_io **new_mc_io);
651 
652 void fsl_destroy_mc_io(struct fsl_mc_io *mc_io);
653 
654 bool fsl_mc_is_root_dprc(struct device *dev);
655 
656 void fsl_mc_get_root_dprc(struct device *dev,
657 			 struct device **root_dprc_dev);
658 
659 struct fsl_mc_device *fsl_mc_device_lookup(struct fsl_mc_obj_desc *obj_desc,
660 					   struct fsl_mc_device *mc_bus_dev);
661 
662 u16 mc_cmd_hdr_read_cmdid(struct fsl_mc_command *cmd);
663 
664 #ifdef CONFIG_FSL_MC_UAPI_SUPPORT
665 
666 int fsl_mc_uapi_create_device_file(struct fsl_mc_bus *mc_bus);
667 
668 void fsl_mc_uapi_remove_device_file(struct fsl_mc_bus *mc_bus);
669 
670 #else
671 
fsl_mc_uapi_create_device_file(struct fsl_mc_bus * mc_bus)672 static inline int fsl_mc_uapi_create_device_file(struct fsl_mc_bus *mc_bus)
673 {
674 	return 0;
675 }
676 
fsl_mc_uapi_remove_device_file(struct fsl_mc_bus * mc_bus)677 static inline void fsl_mc_uapi_remove_device_file(struct fsl_mc_bus *mc_bus)
678 {
679 }
680 
681 #endif
682 
683 int disable_dprc_irq(struct fsl_mc_device *mc_dev);
684 int enable_dprc_irq(struct fsl_mc_device *mc_dev);
685 int get_dprc_irq_state(struct fsl_mc_device *mc_dev);
686 
687 #endif /* _FSL_MC_PRIVATE_H_ */
688