amd64_edac_dbg.c

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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\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);

int amd64_create_sysfs_dbg_files(struct mem_ctl_info *mci)
{
    int rc;

    rc = device_create_file(&mci->dev, &dev_attr_dhar);
    if (rc < 0)
        return rc;
    rc = device_create_file(&mci->dev, &dev_attr_dbam);
    if (rc < 0)
        return rc;
    rc = device_create_file(&mci->dev, &dev_attr_topmem);
    if (rc < 0)
        return rc;
    rc = device_create_file(&mci->dev, &dev_attr_topmem2);
    if (rc < 0)
        return rc;
    rc = device_create_file(&mci->dev, &dev_attr_dram_hole);
    if (rc < 0)
        return rc;

    return 0;
}

void amd64_remove_sysfs_dbg_files(struct mem_ctl_info *mci)
{
    device_remove_file(&mci->dev, &dev_attr_dhar);
    device_remove_file(&mci->dev, &dev_attr_dbam);
    device_remove_file(&mci->dev, &dev_attr_topmem);
    device_remove_file(&mci->dev, &dev_attr_topmem2);
    device_remove_file(&mci->dev, &dev_attr_dram_hole);
}