gpu: nvgpu: vgpu: add vgpu_ivc_* wrappers

tegra_gr_comm_* are wrapped as vgpu_ivc_*, which helps make vgpu code
more common.

Jira EVLR-2364

Change-Id: Id49462ed6c176c73ceee8c6bc41104447748e187
Signed-off-by: Richard Zhao <rizhao@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1645656
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: Aingara Paramakuru <aparamakuru@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, 45 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/include/nvgpu/vgpu/vgpu_ivc.h b/drivers/gpu/nvgpu/include/nvgpu/vgpu/vgpu_ivc.h
new file mode 100644
index 00000000..e7e40269
--- /dev/null
+++ b/drivers/gpu/nvgpu/include/nvgpu/vgpu/vgpu_ivc.h
@@ -0,0 +1,45 @@
+/*
+ * Copyright (c) 2018, NVIDIA CORPORATION.  All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef __VGPU_IVC_H__
+#define __VGPU_IVC_H__
+
+#include <nvgpu/types.h>
+
+struct gk20a;
+
+int vgpu_ivc_init(struct gk20a *g, u32 elems,
+                const size_t *queue_sizes, u32 queue_start, u32 num_queues);
+void vgpu_ivc_deinit(u32 queue_start, u32 num_queues);
+void vgpu_ivc_release(void *handle);
+u32 vgpu_ivc_get_server_vmid(void);
+int vgpu_ivc_recv(u32 index, void **handle, void **data,
+                                size_t *size, u32 *sender);
+int vgpu_ivc_send(u32 peer, u32 index, void *data, size_t size);
+int vgpu_ivc_sendrecv(u32 peer, u32 index, void **handle,
+                                void **data, size_t *size);
+u32 vgpu_ivc_get_peer_self(void);
+void *vgpu_ivc_oob_get_ptr(u32 peer, u32 index, void **ptr,
+                                        size_t *size);
+void vgpu_ivc_oob_put_ptr(void *handle);
+
+#endif