1 // SPDX-License-Identifier: MIT 2 /* 3 * Copyright © 2022 Intel Corporation 4 */ 5 6 #include <drm/drm_debugfs.h> 7 #include <drm/drm_managed.h> 8 9 #include "xe_device.h" 10 #include "xe_gt.h" 11 #include "xe_huc.h" 12 #include "xe_huc_debugfs.h" 13 #include "xe_macros.h" 14 15 static struct xe_gt * 16 huc_to_gt(struct xe_huc *huc) 17 { 18 return container_of(huc, struct xe_gt, uc.huc); 19 } 20 21 static struct xe_device * 22 huc_to_xe(struct xe_huc *huc) 23 { 24 return gt_to_xe(huc_to_gt(huc)); 25 } 26 27 static struct xe_huc *node_to_huc(struct drm_info_node *node) 28 { 29 return node->info_ent->data; 30 } 31 32 static int huc_info(struct seq_file *m, void *data) 33 { 34 struct xe_huc *huc = node_to_huc(m->private); 35 struct xe_device *xe = huc_to_xe(huc); 36 struct drm_printer p = drm_seq_file_printer(m); 37 38 xe_device_mem_access_get(xe); 39 xe_huc_print_info(huc, &p); 40 xe_device_mem_access_put(xe); 41 42 return 0; 43 } 44 45 static const struct drm_info_list debugfs_list[] = { 46 {"huc_info", huc_info, 0}, 47 }; 48 49 void xe_huc_debugfs_register(struct xe_huc *huc, struct dentry *parent) 50 { 51 struct drm_minor *minor = huc_to_xe(huc)->drm.primary; 52 struct drm_info_list *local; 53 int i; 54 55 #define DEBUGFS_SIZE ARRAY_SIZE(debugfs_list) * sizeof(struct drm_info_list) 56 local = drmm_kmalloc(&huc_to_xe(huc)->drm, DEBUGFS_SIZE, GFP_KERNEL); 57 if (!local) { 58 XE_WARN_ON("Couldn't allocate memory"); 59 return; 60 } 61 62 memcpy(local, debugfs_list, DEBUGFS_SIZE); 63 #undef DEBUGFS_SIZE 64 65 for (i = 0; i < ARRAY_SIZE(debugfs_list); ++i) 66 local[i].data = huc; 67 68 drm_debugfs_create_files(local, 69 ARRAY_SIZE(debugfs_list), 70 parent, minor); 71 } 72