/*
* Virtualized GPU Interfaces
*
* Copyright (c) 2014-2018, 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,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see .
*/
#ifndef _VIRT_H_
#define _VIRT_H_
struct device;
struct tegra_vgpu_gr_intr_info;
struct tegra_vgpu_fifo_intr_info;
struct tegra_vgpu_cmd_msg;
struct gk20a_platform;
struct nvgpu_mem;
#ifdef CONFIG_TEGRA_GR_VIRTUALIZATION
#include
#include
#include
#include "gk20a/gk20a.h"
#include "common/linux/platform_gk20a.h"
#include "common/linux/os_linux.h"
struct vgpu_priv_data {
u64 virt_handle;
struct nvgpu_thread intr_handler;
struct tegra_vgpu_constants_params constants;
};
static inline
struct vgpu_priv_data *vgpu_get_priv_data_from_dev(struct device *dev)
{
struct gk20a_platform *plat = gk20a_get_platform(dev);
return (struct vgpu_priv_data *)plat->vgpu_priv;
}
static inline struct vgpu_priv_data *vgpu_get_priv_data(struct gk20a *g)
{
return vgpu_get_priv_data_from_dev(dev_from_gk20a(g));
}
static inline u64 vgpu_get_handle(struct gk20a *g)
{
struct vgpu_priv_data *priv = vgpu_get_priv_data(g);
if (unlikely(!priv)) {
nvgpu_err(g, "invalid vgpu_priv_data in %s", __func__);
return INT_MAX;
}
return priv->virt_handle;
}
int vgpu_pm_prepare_poweroff(struct device *dev);
int vgpu_pm_finalize_poweron(struct device *dev);
int vgpu_probe(struct platform_device *dev);
int vgpu_remove(struct platform_device *dev);
u64 vgpu_bar1_map(struct gk20a *g, struct nvgpu_mem *mem);
int vgpu_gr_isr(struct gk20a *g, struct tegra_vgpu_gr_intr_info *info);
int vgpu_gr_nonstall_isr(struct gk20a *g,
struct tegra_vgpu_gr_nonstall_intr_info *info);
int vgpu_gr_alloc_gr_ctx(struct gk20a *g,
struct nvgpu_gr_ctx *gr_ctx,
struct vm_gk20a *vm,
u32 class,
u32 flags);
void vgpu_gr_free_gr_ctx(struct gk20a *g, struct vm_gk20a *vm,
struct nvgpu_gr_ctx *gr_ctx);
void vgpu_gr_handle_sm_esr_event(struct gk20a *g,
struct tegra_vgpu_sm_esr_info *info);
int vgpu_gr_init_ctx_state(struct gk20a *g);
int vgpu_fifo_isr(struct gk20a *g, struct tegra_vgpu_fifo_intr_info *info);
int vgpu_fifo_nonstall_isr(struct gk20a *g,
struct tegra_vgpu_fifo_nonstall_intr_info *info);
int vgpu_ce2_nonstall_isr(struct gk20a *g,
struct tegra_vgpu_ce2_nonstall_intr_info *info);
u32 vgpu_ce_get_num_pce(struct gk20a *g);
int vgpu_init_mm_support(struct gk20a *g);
int vgpu_init_gr_support(struct gk20a *g);
int vgpu_init_fifo_support(struct gk20a *g);
int vgpu_get_attribute(u64 handle, u32 attrib, u32 *value);
int vgpu_comm_sendrecv(struct tegra_vgpu_cmd_msg *msg, size_t size_in,
size_t size_out);
int vgpu_gp10b_init_hal(struct gk20a *g);
int vgpu_gv11b_init_hal(struct gk20a *g);
int vgpu_init_gpu_characteristics(struct gk20a *g);
void vgpu_create_sysfs(struct device *dev);
void vgpu_remove_sysfs(struct device *dev);
int vgpu_read_ptimer(struct gk20a *g, u64 *value);
int vgpu_get_timestamps_zipper(struct gk20a *g,
u32 source_id, u32 count,
struct nvgpu_cpu_time_correlation_sample *samples);
#else
static inline int vgpu_pm_prepare_poweroff(struct device *dev)
{
return -ENOSYS;
}
static inline int vgpu_pm_finalize_poweron(struct device *dev)
{
return -ENOSYS;
}
static inline int vgpu_probe(struct platform_device *dev)
{
return -ENOSYS;
}
static inline int vgpu_remove(struct platform_device *dev)
{
return -ENOSYS;
}
static inline u64 vgpu_bar1_map(struct gk20a *g, struct nvgpu_mem *mem)
{
return 0;
}
static inline int vgpu_gr_isr(struct gk20a *g,
struct tegra_vgpu_gr_intr_info *info)
{
return 0;
}
static inline int vgpu_gr_alloc_gr_ctx(struct gk20a *g,
struct nvgpu_gr_ctx *gr_ctx,
struct vm_gk20a *vm,
u32 class,
u32 flags)
{
return -ENOSYS;
}
static inline void vgpu_gr_free_gr_ctx(struct gk20a *g, struct vm_gk20a *vm,
struct nvgpu_gr_ctx *gr_ctx)
{
}
static inline int vgpu_gr_init_ctx_state(struct gk20a *g)
{
return -ENOSYS;
}
static inline int vgpu_fifo_isr(struct gk20a *g,
struct tegra_vgpu_fifo_intr_info *info)
{
return 0;
}
static inline int vgpu_init_mm_support(struct gk20a *g)
{
return -ENOSYS;
}
static inline int vgpu_init_gr_support(struct gk20a *g)
{
return -ENOSYS;
}
static inline int vgpu_init_fifo_support(struct gk20a *g)
{
return -ENOSYS;
}
static inline int vgpu_get_attribute(u64 handle, u32 attrib, u32 *value)
{
return -ENOSYS;
}
static inline int vgpu_comm_sendrecv(struct tegra_vgpu_cmd_msg *msg, size_t size_in,
size_t size_out)
{
return -ENOSYS;
}
#endif
#endif