kernel/drivers/edac/amd64_edac_dbg.c

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