1 /* SPDX-License-Identifier: MIT */
2 /*
3  * Copyright © 2022 Intel Corporation
4  */
5 
6 #ifndef _XE_GUC_TYPES_H_
7 #define _XE_GUC_TYPES_H_
8 
9 #include <linux/idr.h>
10 #include <linux/xarray.h>
11 
12 #include "regs/xe_reg_defs.h"
13 #include "xe_guc_ads_types.h"
14 #include "xe_guc_ct_types.h"
15 #include "xe_guc_fwif.h"
16 #include "xe_guc_log_types.h"
17 #include "xe_guc_pc_types.h"
18 #include "xe_guc_relay_types.h"
19 #include "xe_uc_fw_types.h"
20 
21 /**
22  * struct xe_guc_db_mgr - GuC Doorbells Manager.
23  *
24  * Note: GuC Doorbells Manager is relying on &xe_guc::submission_state.lock
25  * to protect its members.
26  */
27 struct xe_guc_db_mgr {
28 	/** @count: number of doorbells to manage */
29 	unsigned int count;
30 	/** @bitmap: bitmap to track allocated doorbells */
31 	unsigned long *bitmap;
32 };
33 
34 /**
35  * struct xe_guc_id_mgr - GuC context ID Manager.
36  *
37  * Note: GuC context ID Manager is relying on &xe_guc::submission_state.lock
38  * to protect its members.
39  */
40 struct xe_guc_id_mgr {
41 	/** @bitmap: bitmap to track allocated IDs */
42 	unsigned long *bitmap;
43 	/** @total: total number of IDs being managed */
44 	unsigned int total;
45 	/** @used: number of IDs currently in use */
46 	unsigned int used;
47 };
48 
49 /**
50  * struct xe_guc - Graphic micro controller
51  */
52 struct xe_guc {
53 	/** @fw: Generic uC firmware management */
54 	struct xe_uc_fw fw;
55 	/** @log: GuC log */
56 	struct xe_guc_log log;
57 	/** @ads: GuC ads */
58 	struct xe_guc_ads ads;
59 	/** @ct: GuC ct */
60 	struct xe_guc_ct ct;
61 	/** @pc: GuC Power Conservation */
62 	struct xe_guc_pc pc;
63 	/** @dbm: GuC Doorbell Manager */
64 	struct xe_guc_db_mgr dbm;
65 	/** @submission_state: GuC submission state */
66 	struct {
67 		/** @submission_state.idm: GuC context ID Manager */
68 		struct xe_guc_id_mgr idm;
69 		/** @submission_state.exec_queue_lookup: Lookup an xe_engine from guc_id */
70 		struct xarray exec_queue_lookup;
71 		/** @submission_state.stopped: submissions are stopped */
72 		atomic_t stopped;
73 		/** @submission_state.lock: protects submission state */
74 		struct mutex lock;
75 		/** @submission_state.enabled: submission is enabled */
76 		bool enabled;
77 		/** @submission_state.fini_wq: submit fini wait queue */
78 		wait_queue_head_t fini_wq;
79 	} submission_state;
80 	/** @hwconfig: Hardware config state */
81 	struct {
82 		/** @hwconfig.bo: buffer object of the hardware config */
83 		struct xe_bo *bo;
84 		/** @hwconfig.size: size of the hardware config */
85 		u32 size;
86 	} hwconfig;
87 
88 	/** @relay: GuC Relay Communication used in SR-IOV */
89 	struct xe_guc_relay relay;
90 
91 	/**
92 	 * @notify_reg: Register which is written to notify GuC of H2G messages
93 	 */
94 	struct xe_reg notify_reg;
95 	/** @params: Control params for fw initialization */
96 	u32 params[GUC_CTL_MAX_DWORDS];
97 };
98 
99 #endif
100