gpu: nvgpu: gv11b: PMU parity HWW ECC support

Adding support for ISR handling of ECC parity errors for PMU unit and setting
the initial IRQDST mask to deliver ECC interrupts to host in the non-stall
PMU irq path

JIRA: GPUT19X-83

Change-Id: I8efae6777811893ecce79d0e32ba81b62c27b1ef
Signed-off-by: David Nieto <dmartineznie@nvidia.com>
Signed-off-by: Richard Zhao <rizhao@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1611625
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 28 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/common/linux/platform_gv11b_tegra.c b/drivers/gpu/nvgpu/common/linux/platform_gv11b_tegra.c
index 3c6eac77..a2a60aaa 100644
--- a/drivers/gpu/nvgpu/common/linux/platform_gv11b_tegra.c
+++ b/drivers/gpu/nvgpu/common/linux/platform_gv11b_tegra.c
@@ -243,6 +243,9 @@ static struct device_attribute *dev_attr_mmu_hubtlb_ecc_uncorrected_err_count_ar
 static struct device_attribute *dev_attr_mmu_fillunit_ecc_corrected_err_count_array;
 static struct device_attribute *dev_attr_mmu_fillunit_ecc_uncorrected_err_count_array;
 
+static struct device_attribute *dev_attr_pmu_ecc_corrected_err_count_array;
+static struct device_attribute *dev_attr_pmu_ecc_uncorrected_err_count_array;
+
 void gr_gv11b_create_sysfs(struct gk20a *g)
 {
         struct device *dev = dev_from_gk20a(g);
@@ -414,6 +417,21 @@ void gr_gv11b_create_sysfs(struct gk20a *g)
                                 &g->ecc.eng.t19x.mmu_fillunit_corrected_err_count,
                                 &dev_attr_mmu_fillunit_ecc_corrected_err_count_array);
 
+        error |= gp10b_ecc_stat_create(dev,
+                                1,
+                                "eng",
+                                "pmu_ecc_uncorrected_err_count",
+                                &g->ecc.eng.t19x.pmu_uncorrected_err_count,
+                                &dev_attr_pmu_ecc_uncorrected_err_count_array);
+
+        error |= gp10b_ecc_stat_create(dev,
+                                1,
+                                "eng",
+                                "pmu_ecc_corrected_err_count",
+                                &g->ecc.eng.t19x.pmu_corrected_err_count,
+                                &dev_attr_pmu_ecc_corrected_err_count_array);
+
+
         if (error)
                 dev_err(dev, "Failed to create gv11b sysfs attributes!\n");
 }
@@ -541,4 +559,14 @@ static void gr_gv11b_remove_sysfs(struct device *dev)
                         1,
                         &g->ecc.eng.t19x.mmu_fillunit_corrected_err_count,
                         dev_attr_mmu_fillunit_ecc_corrected_err_count_array);
+
+        gp10b_ecc_stat_remove(dev,
+                        1,
+                        &g->ecc.eng.t19x.pmu_uncorrected_err_count,
+                        dev_attr_pmu_ecc_uncorrected_err_count_array);
+
+        gp10b_ecc_stat_remove(dev,
+                        1,
+                        &g->ecc.eng.t19x.pmu_corrected_err_count,
+                        dev_attr_pmu_ecc_corrected_err_count_array);
 }