gpu: nvgpu: support for hwpm context switching

Add support for hwpm context switching

Bug 1648200

Change-Id: I482899bf165cd2ef24bb8617be16df01218e462f
Signed-off-by: Peter Daifuku <pdaifuku@nvidia.com>
Reviewed-on: http://git-master/r/1120450
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 13 insertions, 1 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/gr_ctx_gk20a.h b/drivers/gpu/nvgpu/gk20a/gr_ctx_gk20a.h
index 6844ee69..d413942a 100644
--- a/drivers/gpu/nvgpu/gk20a/gr_ctx_gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/gr_ctx_gk20a.h
@@ -1,7 +1,7 @@
 /*
  * GK20A Graphics Context
  *
- * Copyright (c) 2011-2014, NVIDIA CORPORATION.  All rights reserved.
+ * Copyright (c) 2011-2016, NVIDIA CORPORATION.  All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms and conditions of the GNU General Public License,
@@ -75,6 +75,13 @@ union __max_name {
 #define NETLIST_REGIONID_NETLIST_NUM            18
 #define NETLIST_REGIONID_CTXREG_PPC             19
 #define NETLIST_REGIONID_CTXREG_PMPPC           20
+#define NETLIST_REGIONID_NVPERF_CTXREG_SYS      21
+#define NETLIST_REGIONID_NVPERF_FBP_CTXREGS     22
+#define NETLIST_REGIONID_NVPERF_CTXREG_GPC      23
+#define NETLIST_REGIONID_NVPERF_FBP_ROUTER      24
+#define NETLIST_REGIONID_NVPERF_GPC_ROUTER      25
+#define NETLIST_REGIONID_CTXREG_PMLTC           26
+#define NETLIST_REGIONID_CTXREG_PMFBPA          27
 
 struct netlist_region {
         u32 region_id;
@@ -114,6 +121,11 @@ struct u32_list_gk20a {
         u32 count;
 };
 
+struct ctxsw_buf_offset_map_entry {
+        u32 addr;       /* Register address */
+        u32 offset;     /* Offset in ctxt switch buffer */
+};
+
 static inline
 struct av_gk20a *alloc_av_list_gk20a(struct av_list_gk20a *avl)
 {