1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * Copyright (C) 2022-2024, Advanced Micro Devices, Inc. 4 */ 5 6 #ifndef _AMDXDNA_CTX_H_ 7 #define _AMDXDNA_CTX_H_ 8 9 #include <linux/bitfield.h> 10 11 #include "amdxdna_gem.h" 12 13 struct amdxdna_hwctx_priv; 14 15 enum ert_cmd_opcode { 16 ERT_START_CU = 0, 17 ERT_CMD_CHAIN = 19, 18 ERT_START_NPU = 20, 19 }; 20 21 enum ert_cmd_state { 22 ERT_CMD_STATE_INVALID, 23 ERT_CMD_STATE_NEW, 24 ERT_CMD_STATE_QUEUED, 25 ERT_CMD_STATE_RUNNING, 26 ERT_CMD_STATE_COMPLETED, 27 ERT_CMD_STATE_ERROR, 28 ERT_CMD_STATE_ABORT, 29 ERT_CMD_STATE_SUBMITTED, 30 ERT_CMD_STATE_TIMEOUT, 31 ERT_CMD_STATE_NORESPONSE, 32 }; 33 34 /* 35 * Interpretation of the beginning of data payload for ERT_START_NPU in 36 * amdxdna_cmd. The rest of the payload in amdxdna_cmd is regular kernel args. 37 */ 38 struct amdxdna_cmd_start_npu { 39 u64 buffer; /* instruction buffer address */ 40 u32 buffer_size; /* size of buffer in bytes */ 41 u32 prop_count; /* properties count */ 42 u32 prop_args[]; /* properties and regular kernel arguments */ 43 }; 44 45 /* 46 * Interpretation of the beginning of data payload for ERT_CMD_CHAIN in 47 * amdxdna_cmd. The rest of the payload in amdxdna_cmd is cmd BO handles. 48 */ 49 struct amdxdna_cmd_chain { 50 u32 command_count; 51 u32 submit_index; 52 u32 error_index; 53 u32 reserved[3]; 54 u64 data[] __counted_by(command_count); 55 }; 56 57 /* Exec buffer command header format */ 58 #define AMDXDNA_CMD_STATE GENMASK(3, 0) 59 #define AMDXDNA_CMD_EXTRA_CU_MASK GENMASK(11, 10) 60 #define AMDXDNA_CMD_COUNT GENMASK(22, 12) 61 #define AMDXDNA_CMD_OPCODE GENMASK(27, 23) 62 struct amdxdna_cmd { 63 u32 header; 64 u32 data[]; 65 }; 66 67 struct amdxdna_hwctx { 68 struct amdxdna_client *client; 69 struct amdxdna_hwctx_priv *priv; 70 char *name; 71 72 u32 id; 73 u32 max_opc; 74 u32 num_tiles; 75 u32 mem_size; 76 u32 fw_ctx_id; 77 u32 col_list_len; 78 u32 *col_list; 79 u32 start_col; 80 u32 num_col; 81 #define HWCTX_STAT_INIT 0 82 #define HWCTX_STAT_READY 1 83 #define HWCTX_STAT_STOP 2 84 u32 status; 85 u32 old_status; 86 87 struct amdxdna_qos_info qos; 88 struct amdxdna_hwctx_param_config_cu *cus; 89 u32 syncobj_hdl; 90 91 atomic64_t job_submit_cnt; 92 atomic64_t job_free_cnt ____cacheline_aligned_in_smp; 93 }; 94 95 #define drm_job_to_xdna_job(j) \ 96 container_of(j, struct amdxdna_sched_job, base) 97 98 struct amdxdna_sched_job { 99 struct drm_sched_job base; 100 struct kref refcnt; 101 struct amdxdna_hwctx *hwctx; 102 struct mm_struct *mm; 103 /* The fence to notice DRM scheduler that job is done by hardware */ 104 struct dma_fence *fence; 105 /* user can wait on this fence */ 106 struct dma_fence *out_fence; 107 bool job_done; 108 u64 seq; 109 struct amdxdna_gem_obj *cmd_bo; 110 size_t bo_cnt; 111 struct drm_gem_object *bos[] __counted_by(bo_cnt); 112 }; 113 114 static inline u32 115 amdxdna_cmd_get_op(struct amdxdna_gem_obj *abo) 116 { 117 struct amdxdna_cmd *cmd = abo->mem.kva; 118 119 return FIELD_GET(AMDXDNA_CMD_OPCODE, cmd->header); 120 } 121 122 static inline void 123 amdxdna_cmd_set_state(struct amdxdna_gem_obj *abo, enum ert_cmd_state s) 124 { 125 struct amdxdna_cmd *cmd = abo->mem.kva; 126 127 cmd->header &= ~AMDXDNA_CMD_STATE; 128 cmd->header |= FIELD_PREP(AMDXDNA_CMD_STATE, s); 129 } 130 131 static inline enum ert_cmd_state 132 amdxdna_cmd_get_state(struct amdxdna_gem_obj *abo) 133 { 134 struct amdxdna_cmd *cmd = abo->mem.kva; 135 136 return FIELD_GET(AMDXDNA_CMD_STATE, cmd->header); 137 } 138 139 void *amdxdna_cmd_get_payload(struct amdxdna_gem_obj *abo, u32 *size); 140 int amdxdna_cmd_get_cu_idx(struct amdxdna_gem_obj *abo); 141 142 static inline u32 amdxdna_hwctx_col_map(struct amdxdna_hwctx *hwctx) 143 { 144 return GENMASK(hwctx->start_col + hwctx->num_col - 1, 145 hwctx->start_col); 146 } 147 148 void amdxdna_sched_job_cleanup(struct amdxdna_sched_job *job); 149 void amdxdna_hwctx_remove_all(struct amdxdna_client *client); 150 void amdxdna_hwctx_suspend(struct amdxdna_client *client); 151 void amdxdna_hwctx_resume(struct amdxdna_client *client); 152 153 int amdxdna_cmd_submit(struct amdxdna_client *client, 154 u32 cmd_bo_hdls, u32 *arg_bo_hdls, u32 arg_bo_cnt, 155 u32 hwctx_hdl, u64 *seq); 156 157 int amdxdna_cmd_wait(struct amdxdna_client *client, u32 hwctx_hdl, 158 u64 seq, u32 timeout); 159 160 int amdxdna_drm_create_hwctx_ioctl(struct drm_device *dev, void *data, struct drm_file *filp); 161 int amdxdna_drm_config_hwctx_ioctl(struct drm_device *dev, void *data, struct drm_file *filp); 162 int amdxdna_drm_destroy_hwctx_ioctl(struct drm_device *dev, void *data, struct drm_file *filp); 163 int amdxdna_drm_submit_cmd_ioctl(struct drm_device *dev, void *data, struct drm_file *filp); 164 165 #endif /* _AMDXDNA_CTX_H_ */ 166