1// SPDX-License-Identifier: GPL-2.0
2#include "amd64_edac.h"
3
4#define EDAC_DCT_ATTR_SHOW(reg)						\
5static ssize_t amd64_##reg##_show(struct device *dev,			\
6			       struct device_attribute *mattr,		\
7			       char *data)				\
8{									\
9	struct mem_ctl_info *mci = to_mci(dev);				\
10	struct amd64_pvt *pvt = mci->pvt_info;				\
11		return sprintf(data, "0x%016llx\n", (u64)pvt->reg);	\
12}
13
14EDAC_DCT_ATTR_SHOW(dhar);
15EDAC_DCT_ATTR_SHOW(dbam0);
16EDAC_DCT_ATTR_SHOW(top_mem);
17EDAC_DCT_ATTR_SHOW(top_mem2);
18
19static ssize_t amd64_hole_show(struct device *dev,
20			       struct device_attribute *mattr,
21			       char *data)
22{
23	struct mem_ctl_info *mci = to_mci(dev);
24
25	u64 hole_base = 0;
26	u64 hole_offset = 0;
27	u64 hole_size = 0;
28
29	amd64_get_dram_hole_info(mci, &hole_base, &hole_offset, &hole_size);
30
31	return sprintf(data, "%llx %llx %llx\n", hole_base, hole_offset,
32						 hole_size);
33}
34
35/*
36 * update NUM_DBG_ATTRS in case you add new members
37 */
38static DEVICE_ATTR(dhar, S_IRUGO, amd64_dhar_show, NULL);
39static DEVICE_ATTR(dbam, S_IRUGO, amd64_dbam0_show, NULL);
40static DEVICE_ATTR(topmem, S_IRUGO, amd64_top_mem_show, NULL);
41static DEVICE_ATTR(topmem2, S_IRUGO, amd64_top_mem2_show, NULL);
42static DEVICE_ATTR(dram_hole, S_IRUGO, amd64_hole_show, NULL);
43
44static struct attribute *amd64_edac_dbg_attrs[] = {
45	&dev_attr_dhar.attr,
46	&dev_attr_dbam.attr,
47	&dev_attr_topmem.attr,
48	&dev_attr_topmem2.attr,
49	&dev_attr_dram_hole.attr,
50	NULL
51};
52
53const struct attribute_group amd64_edac_dbg_group = {
54	.attrs = amd64_edac_dbg_attrs,
55};
56