From 2f6d321390a98ace1e52f21c6a399e06b3fe71e7 Mon Sep 17 00:00:00 2001 From: Seema Khowala Date: Tue, 7 Mar 2017 12:16:07 -0800 Subject: gpu: nvgpu: gv11b: add mmu fault handling HUB reports following memory sub-system interrupts: a) ACCESS_COUNTER_NOTIFY: GET != PUT for access counter notify buffer b) ACCESS_COUNTER_ERROR: HUB received a NACK (BAR2 fault) when writing the notify buffer out to memory c) MMU_ECC_UNCORRECTED_ERROR_NOTIFY: Uncorrected ECC error detected by HUB MMU d) MMU_REPLAYABLE_FAULT_NOTIFY: GET != PUT for replayable fault buffer e) MMU_REPLAYABLE_FAULT_OVERFLOW: Overflow when writing to the replayable fault buffer f) MMU_NONREPLAYABLE_FAULT_NOTIFY: GET != PUT for non-replayable fault buffer g) MMU_NONREPLAYABLE_FAULT_OVERFLOW: Overflow when writing to the non-replayable fault buffer h) MMU_OTHER_FAULT_NOTIFY: All other fault notifications from MMU This change is to : -Detect other fault notify -Copy fault info from fault snap register for other fault notify interrupt -Detect and handle nonreplay/replay fault notify and fault overflow -Copy fault info from fault buffer for nonreplay/replay fault -Print fault info JIRA GPUT19X-7 JIRA GPUT19X-12 Change-Id: Ifa08a4ebcd119a7d81c2eae3f52dc825d1ce3898 Signed-off-by: Seema Khowala Reviewed-on: https://git-master/r/1493394 Reviewed-by: Vijayakumar Subbu GVS: Gerrit_Virtual_Submit --- drivers/gpu/nvgpu/gv11b/ce_gv11b.h | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/gpu/nvgpu/gv11b/ce_gv11b.h') diff --git a/drivers/gpu/nvgpu/gv11b/ce_gv11b.h b/drivers/gpu/nvgpu/gv11b/ce_gv11b.h index 27dffa5d..09d18058 100644 --- a/drivers/gpu/nvgpu/gv11b/ce_gv11b.h +++ b/drivers/gpu/nvgpu/gv11b/ce_gv11b.h @@ -22,5 +22,6 @@ struct gpu_ops; void gv11b_init_ce(struct gpu_ops *gops); +void gv11b_ce_mthd_buffer_fault_in_bar2_fault(struct gk20a *g); #endif /*__CE2_GV11B_H__*/ -- cgit v1.2.2