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kernel add
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#include "amd64_edac.h"
#define EDAC_DCT_ATTR_SHOW(reg) \
static ssize_t amd64_##reg##_show(struct device *dev, \
struct device_attribute *mattr, \
char *data) \
{ \
struct mem_ctl_info *mci = to_mci(dev); \
struct amd64_pvt *pvt = mci->pvt_info; \
return sprintf(data, "0x%016llx
", (u64)pvt->reg); \
}
EDAC_DCT_ATTR_SHOW(dhar);
EDAC_DCT_ATTR_SHOW(dbam0);
EDAC_DCT_ATTR_SHOW(top_mem);
EDAC_DCT_ATTR_SHOW(top_mem2);
static ssize_t amd64_hole_show(struct device *dev,
struct device_attribute *mattr,
char *data)
{
struct mem_ctl_info *mci = to_mci(dev);
u64 hole_base = 0;
u64 hole_offset = 0;
u64 hole_size = 0;
amd64_get_dram_hole_info(mci, &hole_base, &hole_offset, &hole_size);
return sprintf(data, "%llx %llx %llx
", hole_base, hole_offset,
hole_size);
}
/*
* update NUM_DBG_ATTRS in case you add new members
*/
static DEVICE_ATTR(dhar, S_IRUGO, amd64_dhar_show, NULL);
static DEVICE_ATTR(dbam, S_IRUGO, amd64_dbam0_show, NULL);
static DEVICE_ATTR(topmem, S_IRUGO, amd64_top_mem_show, NULL);
static DEVICE_ATTR(topmem2, S_IRUGO, amd64_top_mem2_show, NULL);
static DEVICE_ATTR(dram_hole, S_IRUGO, amd64_hole_show, NULL);
static struct attribute *amd64_edac_dbg_attrs[] = {
&dev_attr_dhar.attr,
&dev_attr_dbam.attr,
&dev_attr_topmem.attr,
&dev_attr_topmem2.attr,
&dev_attr_dram_hole.attr,
NULL
};
const struct attribute_group amd64_edac_dbg_group = {
.attrs = amd64_edac_dbg_attrs,
};
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