From 5326dfe3fa59e7d465ffc2f0d7f81aaf9de48278 Mon Sep 17 00:00:00 2001 From: Richard Zhao Date: Thu, 25 Jan 2018 16:51:54 -0800 Subject: 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 Reviewed-on: https://git-master.nvidia.com/r/1645656 Reviewed-by: svc-mobile-coverity Reviewed-by: Aingara Paramakuru GVS: Gerrit_Virtual_Submit Reviewed-by: Terje Bergstrom Reviewed-by: mobile promotions Tested-by: mobile promotions --- drivers/gpu/nvgpu/include/nvgpu/vgpu/vgpu_ivc.h | 45 +++++++++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 drivers/gpu/nvgpu/include/nvgpu/vgpu/vgpu_ivc.h (limited to 'drivers/gpu/nvgpu/include') 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 + +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 -- cgit v1.2.2