gpu: nvgpu: gp10b: add ECC stats sysfs nodes

Add sysfs nodes for querying ECC single/double bit error counts.

Bug 1699676

Change-Id: I6d5219facadaa17207ac759b88fe19077207d8f1
Signed-off-by: Adeel Raza <araza@nvidia.com>
Reviewed-on: http://git-master/r/935363
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 28 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gp10b/gr_gp10b.h b/drivers/gpu/nvgpu/gp10b/gr_gp10b.h
index c35fb384..bd4b5879 100644
--- a/drivers/gpu/nvgpu/gp10b/gr_gp10b.h
+++ b/drivers/gpu/nvgpu/gp10b/gr_gp10b.h
@@ -35,6 +35,13 @@ enum {
 void gp10b_init_gr(struct gpu_ops *ops);
 int gr_gp10b_alloc_buffer(struct vm_gk20a *vm, size_t size,
                         struct mem_desc *mem);
+void gr_gp10b_create_sysfs(struct platform_device *dev);
+
+struct ecc_stat {
+        char **names;
+        u32 *counters;
+        struct hlist_node hash_node;
+};
 
 struct gr_t18x {
         struct {
@@ -47,6 +54,27 @@ struct gr_t18x {
                 struct dentry *debugfs_dump_ctxsw_stats;
         } ctx_vars;
 
+        struct {
+                struct ecc_stat sm_lrf_single_err_count;
+                struct ecc_stat sm_lrf_double_err_count;
+
+                struct ecc_stat sm_shm_sec_count;
+                struct ecc_stat sm_shm_sed_count;
+                struct ecc_stat sm_shm_ded_count;
+
+                struct ecc_stat tex_total_sec_pipe0_count;
+                struct ecc_stat tex_total_ded_pipe0_count;
+                struct ecc_stat tex_unique_sec_pipe0_count;
+                struct ecc_stat tex_unique_ded_pipe0_count;
+                struct ecc_stat tex_total_sec_pipe1_count;
+                struct ecc_stat tex_total_ded_pipe1_count;
+                struct ecc_stat tex_unique_sec_pipe1_count;
+                struct ecc_stat tex_unique_ded_pipe1_count;
+
+                struct ecc_stat l2_sec_count;
+                struct ecc_stat l2_ded_count;
+        } ecc_stats;
+
         int cilp_preempt_pending_chid;
 };