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 <drm/drm_print.h> 10 #include <linux/workqueue.h> 11 #include <linux/xarray.h> 12 13 #define XDNA_INFO(xdna, fmt, args...) drm_info(&(xdna)->ddev, fmt, ##args) 14 #define XDNA_WARN(xdna, fmt, args...) drm_warn(&(xdna)->ddev, "%s: "fmt, __func__, ##args) 15 #define XDNA_ERR(xdna, fmt, args...) drm_err(&(xdna)->ddev, "%s: "fmt, __func__, ##args) 16 #define XDNA_DBG(xdna, fmt, args...) drm_dbg(&(xdna)->ddev, fmt, ##args) 17 #define XDNA_INFO_ONCE(xdna, fmt, args...) drm_info_once(&(xdna)->ddev, fmt, ##args) 18 19 #define XDNA_MBZ_DBG(xdna, ptr, sz) \ 20 ({ \ 21 int __i; \ 22 int __ret = 0; \ 23 u8 *__ptr = (u8 *)(ptr); \ 24 for (__i = 0; __i < (sz); __i++) { \ 25 if (__ptr[__i]) { \ 26 XDNA_DBG(xdna, "MBZ check failed"); \ 27 __ret = -EINVAL; \ 28 break; \ 29 } \ 30 } \ 31 __ret; \ 32 }) 33 34 #define to_xdna_dev(drm_dev) \ 35 ((struct amdxdna_dev *)container_of(drm_dev, struct amdxdna_dev, ddev)) 36 37 extern const struct drm_driver amdxdna_drm_drv; 38 39 struct amdxdna_client; 40 struct amdxdna_dev; 41 struct amdxdna_drm_get_info; 42 struct amdxdna_drm_set_state; 43 struct amdxdna_gem_obj; 44 struct amdxdna_hwctx; 45 struct amdxdna_sched_job; 46 47 /* 48 * struct amdxdna_dev_ops - Device hardware operation callbacks 49 */ 50 struct amdxdna_dev_ops { 51 int (*init)(struct amdxdna_dev *xdna); 52 void (*fini)(struct amdxdna_dev *xdna); 53 int (*resume)(struct amdxdna_dev *xdna); 54 int (*suspend)(struct amdxdna_dev *xdna); 55 int (*hwctx_init)(struct amdxdna_hwctx *hwctx); 56 void (*hwctx_fini)(struct amdxdna_hwctx *hwctx); 57 int (*hwctx_config)(struct amdxdna_hwctx *hwctx, u32 type, u64 value, void *buf, u32 size); 58 void (*hmm_invalidate)(struct amdxdna_gem_obj *abo, unsigned long cur_seq); 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 int (*get_array)(struct amdxdna_client *client, struct amdxdna_drm_get_array *args); 63 }; 64 65 /* 66 * struct amdxdna_dev_info - Device hardware information 67 * Record device static information, like reg, mbox, PSP, SMU bar index 68 */ 69 struct amdxdna_dev_info { 70 int reg_bar; 71 int mbox_bar; 72 int sram_bar; 73 int psp_bar; 74 int smu_bar; 75 int device_type; 76 int first_col; 77 u32 dev_mem_buf_shift; 78 u64 dev_mem_base; 79 size_t dev_mem_size; 80 char *vbnv; 81 const struct amdxdna_dev_priv *dev_priv; 82 const struct amdxdna_dev_ops *ops; 83 }; 84 85 struct amdxdna_fw_ver { 86 u32 major; 87 u32 minor; 88 u32 sub; 89 u32 build; 90 }; 91 92 struct amdxdna_dev { 93 struct drm_device ddev; 94 struct amdxdna_dev_hdl *dev_handle; 95 const struct amdxdna_dev_info *dev_info; 96 void *xrs_hdl; 97 98 struct mutex dev_lock; /* per device lock */ 99 struct list_head client_list; 100 struct amdxdna_fw_ver fw_ver; 101 struct rw_semaphore notifier_lock; /* for mmu notifier*/ 102 struct workqueue_struct *notifier_wq; 103 bool rpm_on; 104 }; 105 106 /* 107 * struct amdxdna_device_id - PCI device info 108 */ 109 struct amdxdna_device_id { 110 unsigned short device; 111 u8 revision; 112 const struct amdxdna_dev_info *dev_info; 113 }; 114 115 /* 116 * struct amdxdna_client - amdxdna client 117 * A per fd data structure for managing context and other user process stuffs. 118 */ 119 struct amdxdna_client { 120 struct list_head node; 121 pid_t pid; 122 struct srcu_struct hwctx_srcu; 123 struct xarray hwctx_xa; 124 u32 next_hwctxid; 125 struct amdxdna_dev *xdna; 126 struct drm_file *filp; 127 128 struct mutex mm_lock; /* protect memory related */ 129 struct amdxdna_gem_obj *dev_heap; 130 131 struct iommu_sva *sva; 132 int pasid; 133 }; 134 135 #define amdxdna_for_each_hwctx(client, hwctx_id, entry) \ 136 xa_for_each(&(client)->hwctx_xa, hwctx_id, entry) 137 138 /* Add device info below */ 139 extern const struct amdxdna_dev_info dev_npu1_info; 140 extern const struct amdxdna_dev_info dev_npu2_info; 141 extern const struct amdxdna_dev_info dev_npu4_info; 142 extern const struct amdxdna_dev_info dev_npu5_info; 143 extern const struct amdxdna_dev_info dev_npu6_info; 144 145 int amdxdna_sysfs_init(struct amdxdna_dev *xdna); 146 void amdxdna_sysfs_fini(struct amdxdna_dev *xdna); 147 148 #endif /* _AMDXDNA_PCI_DRV_H_ */ 149