136 lines
3.9 KiB
C
136 lines
3.9 KiB
C
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/*
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* Tegra Graphics Host Virtualization Support
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*
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* Copyright (c) 2014-2018, NVIDIA Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __VHOST_H
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#define __VHOST_H
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#include <linux/nvhost.h>
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#include "chip_support.h"
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struct nvhost_virt_ctx {
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u64 handle;
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struct task_struct *syncpt_handler;
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};
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#ifdef CONFIG_TEGRA_GRHOST_VHOST
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#include <linux/tegra_gr_comm.h>
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#include <linux/tegra_vhost.h>
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static inline void nvhost_set_virt_data(struct platform_device *dev, void *d)
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{
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struct nvhost_device_data *data = platform_get_drvdata(dev);
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data->virt_priv = d;
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}
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static inline void *nvhost_get_virt_data(struct platform_device *dev)
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{
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struct nvhost_device_data *data = platform_get_drvdata(dev);
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return data->virt_priv;
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}
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void vhost_init_host1x_intr_ops(struct nvhost_intr_ops *ops);
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void vhost_init_host1x_syncpt_ops(struct nvhost_syncpt_ops *ops);
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void vhost_init_host1x_cdma_ops(struct nvhost_cdma_ops *ops);
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void vhost_init_host1x_debug_ops(struct nvhost_debug_ops *ops);
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int vhost_syncpt_get_range(u64 handle, u32 *base, u32 *size);
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int vhost_sendrecv(struct tegra_vhost_cmd_msg *msg);
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int vhost_virt_moduleid(int moduleid);
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int vhost_moduleid_virt_to_hw(int moduleid);
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u32 vhost_channel_alloc_clientid(u64 handle, u32 moduleid);
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struct nvhost_channel *vhost_find_chan_by_clientid(struct nvhost_master *dev,
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u32 clientid);
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int vhost_rdwr_module_regs(struct platform_device *ndev, u32 count,
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u32 block_size, u32 __user *offsets, u32 __user *values, u32 write);
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int vhost_suspend(struct platform_device *pdev);
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int vhost_resume(struct platform_device *pdev);
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int nvhost_virt_init(struct platform_device *dev, int moduleid);
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void nvhost_virt_deinit(struct platform_device *dev);
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void vhost_cdma_timeout(struct nvhost_master *dev,
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struct tegra_vhost_chan_timeout_intr_info *info);
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int vhost_prod_apply(struct platform_device *pdev, u32 phy_mode);
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int vhost_cil_sw_reset(struct platform_device *pdev, u32 lanes, u32 enable);
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#else
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static inline void vhost_init_host1x_intr_ops(struct nvhost_intr_ops *ops)
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{ }
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static inline void vhost_init_host1x_syncpt_ops(struct nvhost_syncpt_ops *ops)
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{ }
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static inline void vhost_init_host1x_cdma_ops(struct nvhost_cdma_ops *ops)
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{ }
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static inline void vhost_init_host1x_debug_ops(struct nvhost_debug_ops *ops)
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{ }
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static inline int vhost_syncpt_get_range(u64 handle, u32 *base, u32 *size)
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{
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return -ENOTSUPP;
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}
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static inline int vhost_virt_moduleid(int moduleid)
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{
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return -ENOTSUPP;
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}
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static inline u32 vhost_channel_alloc_clientid(u64 handle, u32 moduleid)
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{
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return 0;
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}
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static inline int vhost_rdwr_module_regs(struct platform_device *ndev,
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u32 count, u32 block_size, u32 __user *offsets, u32 __user *values,
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u32 write)
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{
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return -ENOTSUPP;
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}
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static inline int vhost_suspend(struct platform_device *pdev)
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{
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return 0;
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}
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static inline int vhost_resume(struct platform_device *pdev)
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{
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return 0;
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}
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static inline void *nvhost_get_virt_data(struct platform_device *dev)
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{
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return NULL;
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}
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static inline int nvhost_virt_init(struct platform_device *dev, int moduleid)
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{
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return -ENOTSUPP;
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}
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static inline void nvhost_virt_deinit(struct platform_device *dev)
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{
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}
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static inline int vhost_prod_apply(struct platform_device *pdev, u32 phy_mode)
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{
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return -ENOTSUPP;
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}
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static inline int vhost_cil_sw_reset(struct platform_device *pdev, u32 lanes,
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u32 enable)
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{
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return -ENOTSUPP;
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}
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#endif
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#endif
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