gpu: nvgpu: refectored sim_readl/sim_writel

refactored sim_readl and sim_writel to use
os-agnostic structures.

converted all sim buffers to the type nvgpu_mem and
replaced all alloc_page and free_page calls with
corresponding nvgpu_dma_alloc/nvgpu_dma_free calls.

JIRA VQRM-2368

Change-Id: Ia9d29119d31f239ed16be932cfd16c334002c727
Signed-off-by: Antony Clince Alex <aalex@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1702050
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: Sourab Gupta <sourabg@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 5 insertions, 6 deletions

diff --git a/drivers/gpu/nvgpu/common/linux/sim.h b/drivers/gpu/nvgpu/common/linux/sim.h
index a9ec0dba..4b5e910c 100644
--- a/drivers/gpu/nvgpu/common/linux/sim.h
+++ b/drivers/gpu/nvgpu/common/linux/sim.h
@@ -2,7 +2,7 @@
  *
  * GK20A sim support
  *
- * Copyright (c) 2017, NVIDIA CORPORATION.  All rights reserved.
+ * Copyright (c) 2018, 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,
@@ -20,17 +20,16 @@
 #ifndef __SIM_LINUX_H__
 #define __SIM_LINUX_H__
 
+#include <nvgpu/nvgpu_mem.h>
 #include "gk20a/sim_gk20a.h"
 
 struct sim_gk20a_linux {
         struct sim_gk20a sim;
         struct resource *reg_mem;
         void __iomem *regs;
-        struct {
-                struct page *page;
-                void *kvaddr;
-                u64 phys;
-        } send_bfr, recv_bfr, msg_bfr;
+        struct nvgpu_mem send_bfr;
+        struct nvgpu_mem recv_bfr;
+        struct nvgpu_mem msg_bfr;
 };
 
 int gk20a_init_sim_support(struct gk20a *g);