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_buf_types.h"
15 #include "xe_guc_ct_types.h"
16 #include "xe_guc_engine_activity_types.h"
17 #include "xe_guc_fwif.h"
18 #include "xe_guc_log_types.h"
19 #include "xe_guc_pc_types.h"
20 #include "xe_guc_relay_types.h"
21 #include "xe_uc_fw_types.h"
22 
23 /**
24  * struct xe_guc_db_mgr - GuC Doorbells Manager.
25  *
26  * Note: GuC Doorbells Manager is relying on &xe_guc::submission_state.lock
27  * to protect its members.
28  */
29 struct xe_guc_db_mgr {
30 	/** @count: number of doorbells to manage */
31 	unsigned int count;
32 	/** @bitmap: bitmap to track allocated doorbells */
33 	unsigned long *bitmap;
34 };
35 
36 /**
37  * struct xe_guc_id_mgr - GuC context ID Manager.
38  *
39  * Note: GuC context ID Manager is relying on &xe_guc::submission_state.lock
40  * to protect its members.
41  */
42 struct xe_guc_id_mgr {
43 	/** @bitmap: bitmap to track allocated IDs */
44 	unsigned long *bitmap;
45 	/** @total: total number of IDs being managed */
46 	unsigned int total;
47 	/** @used: number of IDs currently in use */
48 	unsigned int used;
49 };
50 
51 /**
52  * struct xe_guc - Graphic micro controller
53  */
54 struct xe_guc {
55 	/** @fw: Generic uC firmware management */
56 	struct xe_uc_fw fw;
57 	/** @log: GuC log */
58 	struct xe_guc_log log;
59 	/** @ads: GuC ads */
60 	struct xe_guc_ads ads;
61 	/** @ct: GuC ct */
62 	struct xe_guc_ct ct;
63 	/** @buf: GuC Buffer Cache manager */
64 	struct xe_guc_buf_cache buf;
65 	/** @capture: the error-state-capture module's data and objects */
66 	struct xe_guc_state_capture *capture;
67 	/** @pc: GuC Power Conservation */
68 	struct xe_guc_pc pc;
69 	/** @dbm: GuC Doorbell Manager */
70 	struct xe_guc_db_mgr dbm;
71 
72 	/** @g2g: GuC to GuC communication state */
73 	struct {
74 		/** @g2g.bo: Storage for GuC to GuC communication channels */
75 		struct xe_bo *bo;
76 		/** @g2g.owned: Is the BO owned by this GT or just mapped in */
77 		bool owned;
78 	} g2g;
79 
80 	/** @submission_state: GuC submission state */
81 	struct {
82 		/** @submission_state.idm: GuC context ID Manager */
83 		struct xe_guc_id_mgr idm;
84 		/** @submission_state.exec_queue_lookup: Lookup an xe_engine from guc_id */
85 		struct xarray exec_queue_lookup;
86 		/** @submission_state.stopped: submissions are stopped */
87 		atomic_t stopped;
88 		/** @submission_state.lock: protects submission state */
89 		struct mutex lock;
90 		/** @submission_state.enabled: submission is enabled */
91 		bool enabled;
92 		/**
93 		 * @submission_state.initialized: mark when submission state is
94 		 * even initialized - before that not even the lock is valid
95 		 */
96 		bool initialized;
97 		/** @submission_state.fini_wq: submit fini wait queue */
98 		wait_queue_head_t fini_wq;
99 	} submission_state;
100 
101 	/** @hwconfig: Hardware config state */
102 	struct {
103 		/** @hwconfig.bo: buffer object of the hardware config */
104 		struct xe_bo *bo;
105 		/** @hwconfig.size: size of the hardware config */
106 		u32 size;
107 	} hwconfig;
108 
109 	/** @relay: GuC Relay Communication used in SR-IOV */
110 	struct xe_guc_relay relay;
111 
112 	/** @engine_activity: Device specific engine activity */
113 	struct xe_guc_engine_activity engine_activity;
114 
115 	/**
116 	 * @notify_reg: Register which is written to notify GuC of H2G messages
117 	 */
118 	struct xe_reg notify_reg;
119 	/** @params: Control params for fw initialization */
120 	u32 params[GUC_CTL_MAX_DWORDS];
121 };
122 
123 #endif
124