1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * Copyright (C) 2022-2024, Advanced Micro Devices, Inc. 4 */ 5 6 #ifndef _AMDXDNA_PCI_DRV_H_ 7 #define _AMDXDNA_PCI_DRV_H_ 8 9 #include <linux/xarray.h> 10 11 #define XDNA_INFO(xdna, fmt, args...) drm_info(&(xdna)->ddev, fmt, ##args) 12 #define XDNA_WARN(xdna, fmt, args...) drm_warn(&(xdna)->ddev, "%s: "fmt, __func__, ##args) 13 #define XDNA_ERR(xdna, fmt, args...) drm_err(&(xdna)->ddev, "%s: "fmt, __func__, ##args) 14 #define XDNA_DBG(xdna, fmt, args...) drm_dbg(&(xdna)->ddev, fmt, ##args) 15 #define XDNA_INFO_ONCE(xdna, fmt, args...) drm_info_once(&(xdna)->ddev, fmt, ##args) 16 17 #define XDNA_MBZ_DBG(xdna, ptr, sz) \ 18 ({ \ 19 int __i; \ 20 int __ret = 0; \ 21 u8 *__ptr = (u8 *)(ptr); \ 22 for (__i = 0; __i < (sz); __i++) { \ 23 if (__ptr[__i]) { \ 24 XDNA_DBG(xdna, "MBZ check failed"); \ 25 __ret = -EINVAL; \ 26 break; \ 27 } \ 28 } \ 29 __ret; \ 30 }) 31 32 #define to_xdna_dev(drm_dev) \ 33 ((struct amdxdna_dev *)container_of(drm_dev, struct amdxdna_dev, ddev)) 34 35 extern const struct drm_driver amdxdna_drm_drv; 36 37 struct amdxdna_client; 38 struct amdxdna_dev; 39 struct amdxdna_drm_get_info; 40 struct amdxdna_drm_set_state; 41 struct amdxdna_gem_obj; 42 struct amdxdna_hwctx; 43 struct amdxdna_sched_job; 44 45 /* 46 * struct amdxdna_dev_ops - Device hardware operation callbacks 47 */ 48 struct amdxdna_dev_ops { 49 int (*init)(struct amdxdna_dev *xdna); 50 void (*fini)(struct amdxdna_dev *xdna); 51 int (*resume)(struct amdxdna_dev *xdna); 52 void (*suspend)(struct amdxdna_dev *xdna); 53 int (*hwctx_init)(struct amdxdna_hwctx *hwctx); 54 void (*hwctx_fini)(struct amdxdna_hwctx *hwctx); 55 int (*hwctx_config)(struct amdxdna_hwctx *hwctx, u32 type, u64 value, void *buf, u32 size); 56 void (*hmm_invalidate)(struct amdxdna_gem_obj *abo, unsigned long cur_seq); 57 void (*hwctx_suspend)(struct amdxdna_hwctx *hwctx); 58 void (*hwctx_resume)(struct amdxdna_hwctx *hwctx); 59 int (*cmd_submit)(struct amdxdna_hwctx *hwctx, struct amdxdna_sched_job *job, u64 *seq); 60 int (*get_aie_info)(struct amdxdna_client *client, struct amdxdna_drm_get_info *args); 61 int (*set_aie_state)(struct amdxdna_client *client, struct amdxdna_drm_set_state *args); 62 }; 63 64 /* 65 * struct amdxdna_dev_info - Device hardware information 66 * Record device static information, like reg, mbox, PSP, SMU bar index 67 */ 68 struct amdxdna_dev_info { 69 int reg_bar; 70 int mbox_bar; 71 int sram_bar; 72 int psp_bar; 73 int smu_bar; 74 int device_type; 75 int first_col; 76 u32 dev_mem_buf_shift; 77 u64 dev_mem_base; 78 size_t dev_mem_size; 79 char *vbnv; 80 const struct amdxdna_dev_priv *dev_priv; 81 const struct amdxdna_dev_ops *ops; 82 }; 83 84 struct amdxdna_fw_ver { 85 u32 major; 86 u32 minor; 87 u32 sub; 88 u32 build; 89 }; 90 91 struct amdxdna_dev { 92 struct drm_device ddev; 93 struct amdxdna_dev_hdl *dev_handle; 94 const struct amdxdna_dev_info *dev_info; 95 void *xrs_hdl; 96 97 struct mutex dev_lock; /* per device lock */ 98 struct list_head client_list; 99 struct amdxdna_fw_ver fw_ver; 100 struct rw_semaphore notifier_lock; /* for mmu notifier*/ 101 }; 102 103 /* 104 * struct amdxdna_device_id - PCI device info 105 */ 106 struct amdxdna_device_id { 107 unsigned short device; 108 u8 revision; 109 const struct amdxdna_dev_info *dev_info; 110 }; 111 112 /* 113 * struct amdxdna_client - amdxdna client 114 * A per fd data structure for managing context and other user process stuffs. 115 */ 116 struct amdxdna_client { 117 struct list_head node; 118 pid_t pid; 119 struct mutex hwctx_lock; /* protect hwctx */ 120 /* do NOT wait this srcu when hwctx_lock is held */ 121 struct srcu_struct hwctx_srcu; 122 struct xarray hwctx_xa; 123 u32 next_hwctxid; 124 struct amdxdna_dev *xdna; 125 struct drm_file *filp; 126 127 struct mutex mm_lock; /* protect memory related */ 128 struct amdxdna_gem_obj *dev_heap; 129 130 struct iommu_sva *sva; 131 int pasid; 132 }; 133 134 #define amdxdna_for_each_hwctx(client, hwctx_id, entry) \ 135 xa_for_each(&(client)->hwctx_xa, hwctx_id, entry) 136 137 /* Add device info below */ 138 extern const struct amdxdna_dev_info dev_npu1_info; 139 extern const struct amdxdna_dev_info dev_npu2_info; 140 extern const struct amdxdna_dev_info dev_npu4_info; 141 extern const struct amdxdna_dev_info dev_npu5_info; 142 extern const struct amdxdna_dev_info dev_npu6_info; 143 144 int amdxdna_sysfs_init(struct amdxdna_dev *xdna); 145 void amdxdna_sysfs_fini(struct amdxdna_dev *xdna); 146 147 #endif /* _AMDXDNA_PCI_DRV_H_ */ 148