gpu: nvgpu: Add MC APIs for reset masks

Add API for querying reset mask corresponding to a unit. The reset
masks need to be read from MC HW header, and we do not want all
units to access Mc HW headers themselves.

JIRA NVGPU-954

Change-Id: I49ebbd891569de634bfc71afcecc8cd2358805c0
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1823384
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/common/mc/mc_gv100.h b/drivers/gpu/nvgpu/common/mc/mc_gv100.h
index c0a16ad9..764d59b1 100644
--- a/drivers/gpu/nvgpu/common/mc/mc_gv100.h
+++ b/drivers/gpu/nvgpu/common/mc/mc_gv100.h
@@ -31,4 +31,6 @@ void mc_gv100_intr_enable(struct gk20a *g);
 bool gv100_mc_is_intr_nvlink_pending(struct gk20a *g, u32 mc_intr_0);
 bool gv100_mc_is_stall_and_eng_intr_pending(struct gk20a *g, u32 act_eng_id,
                         u32 *eng_intr_pending);
+u32 gv100_mc_reset_mask(struct gk20a *g, enum nvgpu_unit unit);
+
 #endif