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Date: Tue, 28 Apr 2009 17:06:12 +0200
From: Borislav Petkov <borislav.petkov@....com>
To: akpm@...ux-foundation.org, greg@...ah.com
CC: <linux-kernel@...r.kernel.org>,
Doug Thompson <dougthompson@...ssion.com>,
Borislav Petkov <borislav.petkov@....com>
Subject: [PATCH 20/21] amd64_edac: add DRAM error injection logic using sysfs
From: Doug Thompson <dougthompson@...ssion.com>
Signed-off-by: Doug Thompson <dougthompson@...ssion.com>
Signed-off-by: Borislav Petkov <borislav.petkov@....com>
---
drivers/edac/amd64_edac.c | 130 +++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 130 insertions(+), 0 deletions(-)
diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c
index 3c04fd6..1f62346 100644
--- a/drivers/edac/amd64_edac.c
+++ b/drivers/edac/amd64_edac.c
@@ -4654,3 +4654,133 @@ static ssize_t amd64_hole_show(struct mem_ctl_info *mci, char *data)
#endif /* DEBUG */
+/*
+ * Per MC instance Attribute/Control data control structure
+ * Can add for debug or for normal use
+ */
+static struct mcidev_sysfs_attribute amd64_mc_sysfs_ctls_attrs[] = {
+
+#ifdef CONFIG_EDAC_AMD64_OPTERON_ERROR_INJECTION
+ /* Error injection methods */
+ {
+ .attr = {
+ .name = "z_inject_section",
+ .mode = (S_IRUGO | S_IWUSR)
+ },
+ .show = NULL,
+ .store = amd64_inject_section_store,
+ },
+ {
+ .attr = {
+ .name = "z_inject_word",
+ .mode = (S_IRUGO | S_IWUSR)
+ },
+ .show = NULL,
+ .store = amd64_inject_word_store,
+ },
+ {
+ .attr = {
+ .name = "z_inject_bit_map",
+ .mode = (S_IRUGO | S_IWUSR)
+ },
+ .show = NULL,
+ .store = amd64_inject_bit_store,
+ },
+ {
+ .attr = {
+ .name = "z_inject_write",
+ .mode = (S_IRUGO | S_IWUSR)
+ },
+ .show = NULL,
+ .store = amd64_inject_write_store,
+ },
+ {
+ .attr = {
+ .name = "z_inject_read",
+ .mode = (S_IRUGO | S_IWUSR)
+ },
+ .show = NULL,
+ .store = amd64_inject_read_store,
+ },
+#endif /* CONFIG_EDAC_AMD64_OPTERON_ERROR_INJECTION */
+
+#ifdef CONFIG_EDAC_DEBUG
+ /* RAW register accessors */
+ {
+ .attr = {
+ .name = "zctl_nbea",
+ .mode = (S_IRUGO | S_IWUSR)
+ },
+ .show = amd64_nbea_show,
+ .store = amd64_nbea_store,
+ },
+ {
+ .attr = {
+ .name = "zctl_nbsl",
+ .mode = (S_IRUGO | S_IWUSR)
+ },
+ .show = amd64_nbsl_show,
+ .store = amd64_nbsl_store,
+ },
+ {
+ .attr = {
+ .name = "zctl_nbsh",
+ .mode = (S_IRUGO | S_IWUSR)
+ },
+ .show = amd64_nbsh_show,
+ .store = amd64_nbsh_store,
+ },
+ {
+ .attr = {
+ .name = "zctl_nbcfg",
+ .mode = (S_IRUGO | S_IWUSR)
+ },
+ .show = amd64_nbcfg_show,
+ .store = amd64_nbcfg_store,
+ },
+ {
+ .attr = {
+ .name = "zhw_dhar",
+ .mode = (S_IRUGO)
+ },
+ .show = amd64_dhar_show,
+ .store = NULL,
+ },
+ {
+ .attr = {
+ .name = "zhw_dbam",
+ .mode = (S_IRUGO)
+ },
+ .show = amd64_dbam_show,
+ .store = NULL,
+ },
+ {
+ .attr = {
+ .name = "zhw_topmem",
+ .mode = (S_IRUGO)
+ },
+ .show = amd64_topmem_show,
+ .store = NULL,
+ },
+ {
+ .attr = {
+ .name = "zhw_topmem2",
+ .mode = (S_IRUGO)
+ },
+ .show = amd64_topmem2_show,
+ .store = NULL,
+ },
+ {
+ .attr = {
+ .name = "zhw_hole",
+ .mode = (S_IRUGO)
+ },
+ .show = amd64_hole_show,
+ .store = NULL,
+ },
+#endif
+ {
+ .attr = { .name = NULL}
+ }
+};
+
--
1.6.2.4
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