Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / edac / amd64_edac_dbg.c

diff --git a/kernel/drivers/edac/amd64_edac_dbg.c b/kernel/drivers/edac/amd64_edac_dbg.c
new file mode 100644 (file)
index 0000000..4709c60
--- /dev/null
+++ b/kernel/drivers/edac/amd64_edac_dbg.c
@@ -0,0 +1,54 @@
+#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\n", (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\n", 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,
+};