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 int amd64_create_sysfs_dbg_files(struct mem_ctl_info *mci)
  44 {
  45         int rc;
  46
  47         rc = device_create_file(&mci->dev, &dev_attr_dhar);
  48         if (rc < 0)
  49                 return rc;
  50         rc = device_create_file(&mci->dev, &dev_attr_dbam);
  51         if (rc < 0)
  52                 return rc;
  53         rc = device_create_file(&mci->dev, &dev_attr_topmem);
  54         if (rc < 0)
  55                 return rc;
  56         rc = device_create_file(&mci->dev, &dev_attr_topmem2);
  57         if (rc < 0)
  58                 return rc;
  59         rc = device_create_file(&mci->dev, &dev_attr_dram_hole);
  60         if (rc < 0)
  61                 return rc;
  62
  63         return 0;
  64 }
  65
  66 void amd64_remove_sysfs_dbg_files(struct mem_ctl_info *mci)
  67 {
  68         device_remove_file(&mci->dev, &dev_attr_dhar);
  69         device_remove_file(&mci->dev, &dev_attr_dbam);
  70         device_remove_file(&mci->dev, &dev_attr_topmem);
  71         device_remove_file(&mci->dev, &dev_attr_topmem2);
  72         device_remove_file(&mci->dev, &dev_attr_dram_hole);
  73 }