1 // SPDX-License-Identifier: MIT 2 /* 3 * Copyright © 2022 Intel Corporation 4 */ 5 6 #include "xe_huc_debugfs.h" 7 8 #include <drm/drm_debugfs.h> 9 #include <drm/drm_managed.h> 10 11 #include "xe_device.h" 12 #include "xe_gt.h" 13 #include "xe_huc.h" 14 #include "xe_macros.h" 15 16 static struct xe_gt * 17 huc_to_gt(struct xe_huc *huc) 18 { 19 return container_of(huc, struct xe_gt, uc.huc); 20 } 21 22 static struct xe_device * 23 huc_to_xe(struct xe_huc *huc) 24 { 25 return gt_to_xe(huc_to_gt(huc)); 26 } 27 28 static struct xe_huc *node_to_huc(struct drm_info_node *node) 29 { 30 return node->info_ent->data; 31 } 32 33 static int huc_info(struct seq_file *m, void *data) 34 { 35 struct xe_huc *huc = node_to_huc(m->private); 36 struct xe_device *xe = huc_to_xe(huc); 37 struct drm_printer p = drm_seq_file_printer(m); 38 39 xe_device_mem_access_get(xe); 40 xe_huc_print_info(huc, &p); 41 xe_device_mem_access_put(xe); 42 43 return 0; 44 } 45 46 static const struct drm_info_list debugfs_list[] = { 47 {"huc_info", huc_info, 0}, 48 }; 49 50 void xe_huc_debugfs_register(struct xe_huc *huc, struct dentry *parent) 51 { 52 struct drm_minor *minor = huc_to_xe(huc)->drm.primary; 53 struct drm_info_list *local; 54 int i; 55 56 #define DEBUGFS_SIZE (ARRAY_SIZE(debugfs_list) * sizeof(struct drm_info_list)) 57 local = drmm_kmalloc(&huc_to_xe(huc)->drm, DEBUGFS_SIZE, GFP_KERNEL); 58 if (!local) 59 return; 60 61 memcpy(local, debugfs_list, DEBUGFS_SIZE); 62 #undef DEBUGFS_SIZE 63 64 for (i = 0; i < ARRAY_SIZE(debugfs_list); ++i) 65 local[i].data = huc; 66 67 drm_debugfs_create_files(local, 68 ARRAY_SIZE(debugfs_list), 69 parent, minor); 70 } 71