1 /* SPDX-License-Identifier: MIT */ 2 /* 3 * Copyright © 2021 Intel Corporation 4 */ 5 6 #ifndef _XE_DEVICE_H_ 7 #define _XE_DEVICE_H_ 8 9 #include <drm/drm_util.h> 10 11 #include "xe_device_types.h" 12 13 static inline struct xe_device *to_xe_device(const struct drm_device *dev) 14 { 15 return container_of(dev, struct xe_device, drm); 16 } 17 18 static inline struct xe_device *pdev_to_xe_device(struct pci_dev *pdev) 19 { 20 return pci_get_drvdata(pdev); 21 } 22 23 static inline struct xe_device *ttm_to_xe_device(struct ttm_device *ttm) 24 { 25 return container_of(ttm, struct xe_device, ttm); 26 } 27 28 struct xe_device *xe_device_create(struct pci_dev *pdev, 29 const struct pci_device_id *ent); 30 int xe_device_probe_early(struct xe_device *xe); 31 int xe_device_probe(struct xe_device *xe); 32 void xe_device_remove(struct xe_device *xe); 33 void xe_device_shutdown(struct xe_device *xe); 34 35 void xe_device_wmb(struct xe_device *xe); 36 37 static inline struct xe_file *to_xe_file(const struct drm_file *file) 38 { 39 return file->driver_priv; 40 } 41 42 static inline struct xe_tile *xe_device_get_root_tile(struct xe_device *xe) 43 { 44 return &xe->tiles[0]; 45 } 46 47 #define XE_MAX_GT_PER_TILE 2 48 49 static inline struct xe_gt *xe_tile_get_gt(struct xe_tile *tile, u8 gt_id) 50 { 51 if (drm_WARN_ON(&tile_to_xe(tile)->drm, gt_id >= XE_MAX_GT_PER_TILE)) 52 gt_id = 0; 53 54 return gt_id ? tile->media_gt : tile->primary_gt; 55 } 56 57 static inline struct xe_gt *xe_device_get_gt(struct xe_device *xe, u8 gt_id) 58 { 59 struct xe_tile *root_tile = xe_device_get_root_tile(xe); 60 struct xe_gt *gt; 61 62 /* 63 * FIXME: This only works for now because multi-tile and standalone 64 * media are mutually exclusive on the platforms we have today. 65 * 66 * id => GT mapping may change once we settle on how we want to handle 67 * our UAPI. 68 */ 69 if (MEDIA_VER(xe) >= 13) { 70 gt = xe_tile_get_gt(root_tile, gt_id); 71 } else { 72 if (drm_WARN_ON(&xe->drm, gt_id >= XE_MAX_TILES_PER_DEVICE)) 73 gt_id = 0; 74 75 gt = xe->tiles[gt_id].primary_gt; 76 } 77 78 if (!gt) 79 return NULL; 80 81 drm_WARN_ON(&xe->drm, gt->info.id != gt_id); 82 drm_WARN_ON(&xe->drm, gt->info.type == XE_GT_TYPE_UNINITIALIZED); 83 84 return gt; 85 } 86 87 /* 88 * Provide a GT structure suitable for performing non-GT MMIO operations against 89 * the primary tile. Primarily intended for early tile initialization, display 90 * handling, top-most interrupt enable/disable, etc. Since anything using the 91 * MMIO handle returned by this function doesn't need GSI offset translation, 92 * we'll return the primary GT from the root tile. 93 * 94 * FIXME: Fix the driver design so that 'gt' isn't the target of all MMIO 95 * operations. 96 * 97 * Returns the primary gt of the root tile. 98 */ 99 static inline struct xe_gt *xe_root_mmio_gt(struct xe_device *xe) 100 { 101 return xe_device_get_root_tile(xe)->primary_gt; 102 } 103 104 static inline bool xe_device_uc_enabled(struct xe_device *xe) 105 { 106 return !xe->info.force_execlist; 107 } 108 109 #define for_each_tile(tile__, xe__, id__) \ 110 for ((id__) = 0; (id__) < (xe__)->info.tile_count; (id__)++) \ 111 for_each_if((tile__) = &(xe__)->tiles[(id__)]) 112 113 #define for_each_remote_tile(tile__, xe__, id__) \ 114 for ((id__) = 1; (id__) < (xe__)->info.tile_count; (id__)++) \ 115 for_each_if((tile__) = &(xe__)->tiles[(id__)]) 116 117 /* 118 * FIXME: This only works for now since multi-tile and standalone media 119 * happen to be mutually exclusive. Future platforms may change this... 120 */ 121 #define for_each_gt(gt__, xe__, id__) \ 122 for ((id__) = 0; (id__) < (xe__)->info.gt_count; (id__)++) \ 123 for_each_if((gt__) = xe_device_get_gt((xe__), (id__))) 124 125 static inline struct xe_force_wake *gt_to_fw(struct xe_gt *gt) 126 { 127 return >->mmio.fw; 128 } 129 130 void xe_device_assert_mem_access(struct xe_device *xe); 131 132 static inline bool xe_device_in_fault_mode(struct xe_device *xe) 133 { 134 return xe->usm.num_vm_in_fault_mode != 0; 135 } 136 137 static inline bool xe_device_in_non_fault_mode(struct xe_device *xe) 138 { 139 return xe->usm.num_vm_in_non_fault_mode != 0; 140 } 141 142 static inline bool xe_device_has_flat_ccs(struct xe_device *xe) 143 { 144 return xe->info.has_flat_ccs; 145 } 146 147 static inline bool xe_device_has_sriov(struct xe_device *xe) 148 { 149 return xe->info.has_sriov; 150 } 151 152 static inline bool xe_device_has_memirq(struct xe_device *xe) 153 { 154 return GRAPHICS_VERx100(xe) >= 1250; 155 } 156 157 u32 xe_device_ccs_bytes(struct xe_device *xe, u64 size); 158 159 void xe_device_snapshot_print(struct xe_device *xe, struct drm_printer *p); 160 161 u64 xe_device_canonicalize_addr(struct xe_device *xe, u64 address); 162 u64 xe_device_uncanonicalize_addr(struct xe_device *xe, u64 address); 163 164 void xe_device_td_flush(struct xe_device *xe); 165 166 static inline bool xe_device_wedged(struct xe_device *xe) 167 { 168 return atomic_read(&xe->wedged.flag); 169 } 170 171 void xe_device_declare_wedged(struct xe_device *xe); 172 173 #endif 174