xref: /linux/drivers/gpu/drm/xe/xe_gt_topology.h (revision a1ff5a7d78a036d6c2178ee5acd6ba4946243800)
1 /* SPDX-License-Identifier: MIT */
2 /*
3  * Copyright © 2022 Intel Corporation
4  */
5 
6 #ifndef _XE_GT_TOPOLOGY_H_
7 #define _XE_GT_TOPOLOGY_H_
8 
9 #include "xe_gt_types.h"
10 
11 /*
12  * Loop over each DSS with the bit is 1 in geometry or compute mask
13  * @dss: iterated DSS bit from the DSS mask
14  * @gt: GT structure
15  */
16 #define for_each_dss(dss, gt) \
17 	for_each_or_bit((dss), \
18 			(gt)->fuse_topo.g_dss_mask, \
19 			(gt)->fuse_topo.c_dss_mask, \
20 			XE_MAX_DSS_FUSE_BITS)
21 
22 struct drm_printer;
23 
24 void xe_gt_topology_init(struct xe_gt *gt);
25 
26 void xe_gt_topology_dump(struct xe_gt *gt, struct drm_printer *p);
27 
28 unsigned int
29 xe_dss_mask_group_ffs(const xe_dss_mask_t mask, int groupsize, int groupnum);
30 
31 bool xe_dss_mask_empty(const xe_dss_mask_t mask);
32 
33 bool
34 xe_gt_topology_has_dss_in_quadrant(struct xe_gt *gt, int quad);
35 
36 bool xe_gt_has_geometry_dss(struct xe_gt *gt, unsigned int dss);
37 bool xe_gt_has_compute_dss(struct xe_gt *gt, unsigned int dss);
38 
39 #endif /* _XE_GT_TOPOLOGY_H_ */
40