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27 #include <linux/xarray.h>
31 #define AMDGPU_XCP_MODE_NONE -1
32 #define AMDGPU_XCP_MODE_TRANS -2
34 #define AMDGPU_XCP_FL_NONE 0
35 #define AMDGPU_XCP_FL_LOCKED (1 << 0)
37 enum AMDGPU_XCP_IP_BLOCK {
45 enum AMDGPU_XCP_STATE {
46 AMDGPU_XCP_PREPARE_SUSPEND,
48 AMDGPU_XCP_PREPARE_RESUME,
52 struct amdgpu_xcp_ip_funcs {
53 int (*prepare_suspend)(void *handle, uint32_t inst_mask);
54 int (*suspend)(void *handle, uint32_t inst_mask);
55 int (*prepare_resume)(void *handle, uint32_t inst_mask);
56 int (*resume)(void *handle, uint32_t inst_mask);
59 struct amdgpu_xcp_ip {
60 struct amdgpu_xcp_ip_funcs *ip_funcs;
63 enum AMDGPU_XCP_IP_BLOCK ip_id;
68 struct amdgpu_xcp_ip ip[AMDGPU_XCP_MAX_BLOCKS];
74 struct drm_device *ddev;
75 struct amdgpu_sched gpu_sched[AMDGPU_HW_IP_NUM][AMDGPU_RING_PRIO_MAX];
78 struct amdgpu_xcp_mgr {
79 struct amdgpu_device *adev;
80 struct mutex xcp_lock;
81 struct amdgpu_xcp_mgr_funcs *funcs;
83 struct amdgpu_xcp xcp[MAX_XCP];
87 /* Used to determine KFD memory size limits per XCP */
88 unsigned int num_xcp_per_mem_partition;
91 struct amdgpu_xcp_mgr_funcs {
92 int (*switch_partition_mode)(struct amdgpu_xcp_mgr *xcp_mgr, int mode,
94 int (*query_partition_mode)(struct amdgpu_xcp_mgr *xcp_mgr);
95 int (*get_ip_details)(struct amdgpu_xcp_mgr *xcp_mgr, int xcp_id,
96 enum AMDGPU_XCP_IP_BLOCK ip_id,
97 struct amdgpu_xcp_ip *ip);
98 int (*get_xcp_mem_id)(struct amdgpu_xcp_mgr *xcp_mgr,
99 struct amdgpu_xcp *xcp, uint8_t *mem_id);
101 int (*prepare_suspend)(struct amdgpu_xcp_mgr *xcp_mgr, int xcp_id);
102 int (*suspend)(struct amdgpu_xcp_mgr *xcp_mgr, int xcp_id);
103 int (*prepare_resume)(struct amdgpu_xcp_mgr *xcp_mgr, int xcp_id);
104 int (*resume)(struct amdgpu_xcp_mgr *xcp_mgr, int xcp_id);
105 int (*select_scheds)(struct amdgpu_device *adev,
106 u32 hw_ip, u32 hw_prio, struct amdgpu_fpriv *fpriv,
107 unsigned int *num_scheds, struct drm_gpu_scheduler ***scheds);
108 int (*update_partition_sched_list)(struct amdgpu_device *adev);
111 int amdgpu_xcp_prepare_suspend(struct amdgpu_xcp_mgr *xcp_mgr, int xcp_id);
112 int amdgpu_xcp_suspend(struct amdgpu_xcp_mgr *xcp_mgr, int xcp_id);
113 int amdgpu_xcp_prepare_resume(struct amdgpu_xcp_mgr *xcp_mgr, int xcp_id);
114 int amdgpu_xcp_resume(struct amdgpu_xcp_mgr *xcp_mgr, int xcp_id);
116 int amdgpu_xcp_mgr_init(struct amdgpu_device *adev, int init_mode,
117 int init_xcps, struct amdgpu_xcp_mgr_funcs *xcp_funcs);
118 int amdgpu_xcp_init(struct amdgpu_xcp_mgr *xcp_mgr, int num_xcps, int mode);
119 int amdgpu_xcp_query_partition_mode(struct amdgpu_xcp_mgr *xcp_mgr, u32 flags);
120 int amdgpu_xcp_switch_partition_mode(struct amdgpu_xcp_mgr *xcp_mgr, int mode);
121 int amdgpu_xcp_get_partition(struct amdgpu_xcp_mgr *xcp_mgr,
122 enum AMDGPU_XCP_IP_BLOCK ip, int instance);
124 int amdgpu_xcp_get_inst_details(struct amdgpu_xcp *xcp,
125 enum AMDGPU_XCP_IP_BLOCK ip,
126 uint32_t *inst_mask);
128 int amdgpu_xcp_dev_register(struct amdgpu_device *adev,
129 const struct pci_device_id *ent);
130 void amdgpu_xcp_dev_unplug(struct amdgpu_device *adev);
131 int amdgpu_xcp_open_device(struct amdgpu_device *adev,
132 struct amdgpu_fpriv *fpriv,
133 struct drm_file *file_priv);
134 void amdgpu_xcp_release_sched(struct amdgpu_device *adev,
135 struct amdgpu_ctx_entity *entity);
137 #define amdgpu_xcp_select_scheds(adev, e, c, d, x, y) \
138 ((adev)->xcp_mgr && (adev)->xcp_mgr->funcs && \
139 (adev)->xcp_mgr->funcs->select_scheds ? \
140 (adev)->xcp_mgr->funcs->select_scheds((adev), (e), (c), (d), (x), (y)) : -ENOENT)
141 #define amdgpu_xcp_update_partition_sched_list(adev) \
142 ((adev)->xcp_mgr && (adev)->xcp_mgr->funcs && \
143 (adev)->xcp_mgr->funcs->update_partition_sched_list ? \
144 (adev)->xcp_mgr->funcs->update_partition_sched_list(adev) : 0)
146 static inline int amdgpu_xcp_get_num_xcp(struct amdgpu_xcp_mgr *xcp_mgr)
151 return xcp_mgr->num_xcps;
154 static inline struct amdgpu_xcp *
155 amdgpu_get_next_xcp(struct amdgpu_xcp_mgr *xcp_mgr, int *from)
160 while (*from < MAX_XCP) {
161 if (xcp_mgr->xcp[*from].valid)
162 return &xcp_mgr->xcp[*from];
169 #define for_each_xcp(xcp_mgr, xcp, i) \
170 for (i = 0, xcp = amdgpu_get_next_xcp(xcp_mgr, &i); xcp; \
171 xcp = amdgpu_get_next_xcp(xcp_mgr, &i))