gpu: nvgpu: L2 cache tag ECC support

Adding support for L2 cache tag ECC error handling

JIRA: GPUT19X-112

Change-Id: I9a8ebefe97814b341f57a024dfb126013adaac1c
Signed-off-by: David Nieto <dmartineznie@nvidia.com>
Reviewed-on: http://git-master/r/1489029
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 27 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gv11b/platform_gv11b_tegra.c b/drivers/gpu/nvgpu/gv11b/platform_gv11b_tegra.c
index 8733cae9..432af7c1 100644
--- a/drivers/gpu/nvgpu/gv11b/platform_gv11b_tegra.c
+++ b/drivers/gpu/nvgpu/gv11b/platform_gv11b_tegra.c
@@ -177,6 +177,9 @@ static struct device_attribute *dev_attr_fecs_ecc_uncorrected_err_count_array;
 static struct device_attribute *dev_attr_gpccs_ecc_corrected_err_count_array;
 static struct device_attribute *dev_attr_gpccs_ecc_uncorrected_err_count_array;
 
+static struct device_attribute *dev_attr_l2_cache_ecc_corrected_err_count_array;
+static struct device_attribute *dev_attr_l2_cache_ecc_uncorrected_err_count_array;
+
 void gr_gv11b_create_sysfs(struct device *dev)
 {
         struct gk20a *g = get_gk20a(dev);
@@ -251,6 +254,20 @@ void gr_gv11b_create_sysfs(struct device *dev)
                                 dev_attr_gcc_l15_ecc_uncorrected_err_count_array);
 
         error |= gp10b_ecc_stat_create(dev,
+                                g->ltc_count,
+                                "ltc",
+                                "l2_cache_uncorrected_err_count",
+                                &g->ecc.ltc.t19x.l2_cache_uncorrected_err_count,
+                                dev_attr_l2_cache_ecc_uncorrected_err_count_array);
+
+        error |= gp10b_ecc_stat_create(dev,
+                                g->ltc_count,
+                                "ltc",
+                                "l2_cache_corrected_err_count",
+                                &g->ecc.ltc.t19x.l2_cache_corrected_err_count,
+                                dev_attr_l2_cache_ecc_corrected_err_count_array);
+
+        error |= gp10b_ecc_stat_create(dev,
                                 1,
                                 "gpc",
                                 "fecs_ecc_uncorrected_err_count",
@@ -337,6 +354,16 @@ static void gr_gv11b_remove_sysfs(struct device *dev)
                         dev_attr_gcc_l15_ecc_uncorrected_err_count_array);
 
         gp10b_ecc_stat_remove(dev,
+                        g->ltc_count,
+                        &g->ecc.ltc.t19x.l2_cache_uncorrected_err_count,
+                        dev_attr_l2_cache_ecc_uncorrected_err_count_array);
+
+        gp10b_ecc_stat_remove(dev,
+                        g->ltc_count,
+                        &g->ecc.ltc.t19x.l2_cache_corrected_err_count,
+                        dev_attr_l2_cache_ecc_corrected_err_count_array);
+
+        gp10b_ecc_stat_remove(dev,
                         1,
                         &g->ecc.gr.t19x.fecs_uncorrected_err_count,
                         dev_attr_fecs_ecc_uncorrected_err_count_array);