163 lines
5.1 KiB
C
163 lines
5.1 KiB
C
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/*
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* PVA Task Management
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*
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* Copyright (c) 2016-2019, 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 PVA_QUEUE_H
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#define PVA_QUEUE_H
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#include <uapi/linux/nvhost_pva_ioctl.h>
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#include <uapi/linux/nvdev_fence.h>
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#include "nvhost_queue.h"
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#include "nvhost_buffer.h"
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#include "pva-interface.h"
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struct dma_buf;
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extern struct nvhost_queue_ops pva_queue_ops;
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struct pva_parameter_ext {
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dma_addr_t dma_addr;
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size_t size;
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struct dma_buf *dmabuf;
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enum nvhost_buffers_heap heap;
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};
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/**
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* @brief Describe a task for PVA
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*
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* This is an internal representation of the task structure. All
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* pointers refer to kernel memory.
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*
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* pva Pointer to struct pva
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* buffers Pointer to struct nvhost_buffers
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* queue Pointer to struct nvhost_queue
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* node Used to build queue task list
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* kref Used to manage allocation and freeing
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* dma_addr task dma_addr_t
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* va task virtual address
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* pool_index task pool index
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* postfence_va postfence virtual address
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* num_prefences Number of pre-fences in this task
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* num_postfences Number of post-fences in this task
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* num_input_surfaces Number of input surfaces
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* num_output_surfaces Number of output surfaces
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* num_input_task_status Number of input task status structures
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* num_output_task_status Number of output task status structures
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* operation task operation
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* timeout Latest Unix time when the task must complete or
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* 0 if disabled.
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* prefences Pre-fence structures
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* postfences Post-fence structures
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* input_surfaces Input surfaces structures
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* input_scalars Information for input scalars
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* output_surfaces Output surfaces
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* output_scalars Information for output scalars
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* input_task_status Input status structure
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* output_task_status Output status structure
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*
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*/
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struct pva_submit_task {
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struct pva *pva;
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struct nvhost_buffers *buffers;
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struct nvhost_queue *queue;
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struct list_head node;
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struct kref ref;
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dma_addr_t dma_addr;
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void *va;
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int pool_index;
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u8 num_prefences;
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u8 num_postfences;
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u8 num_input_surfaces;
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u8 num_output_surfaces;
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u8 num_input_task_status;
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u8 num_output_task_status;
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u32 primary_payload_size;
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u8 num_pointers;
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u32 operation;
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u64 timeout;
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bool invalid;
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u32 syncpt_thresh;
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u32 fence_num;
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/* Data provided by userspace "as is" */
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struct nvdev_fence prefences[PVA_MAX_PREFENCES];
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struct nvdev_fence postfences[PVA_MAX_POSTFENCES];
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struct nvpva_fence pvafences[PVA_MAX_FENCE_TYPES]
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[PVA_MAX_FENCES_PER_TYPE];
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struct pva_surface input_surfaces[PVA_MAX_INPUT_SURFACES];
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struct pva_task_parameter input_scalars;
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struct pva_surface output_surfaces[PVA_MAX_OUTPUT_SURFACES];
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struct pva_task_parameter output_scalars;
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struct pva_status_handle input_task_status[PVA_MAX_INPUT_STATUS];
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struct pva_status_handle output_task_status[PVA_MAX_OUTPUT_STATUS];
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struct pva_memory_handle pointers[PVA_MAX_POINTERS];
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u8 primary_payload[PVA_MAX_PRIMARY_PAYLOAD_SIZE];
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u8 num_pvafences[PVA_MAX_FENCE_TYPES];
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u8 num_pva_ts_buffers[PVA_MAX_FENCE_TYPES];
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/* External data that is added by the KMD */
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struct pva_parameter_ext prefences_ext[PVA_MAX_PREFENCES];
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struct pva_parameter_ext postfences_ext[PVA_MAX_POSTFENCES];
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struct pva_parameter_ext pvafences_ext[PVA_MAX_FENCE_TYPES]
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[PVA_MAX_FENCES_PER_TYPE];
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struct pva_parameter_ext prefences_sema_ext[PVA_MAX_PREFENCES];
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struct pva_parameter_ext postfences_sema_ext[PVA_MAX_POSTFENCES];
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struct pva_parameter_ext pvafences_sema_ext[PVA_MAX_FENCE_TYPES]
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[PVA_MAX_FENCES_PER_TYPE];
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struct pva_parameter_ext input_surfaces_ext[PVA_MAX_INPUT_SURFACES];
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struct pva_parameter_ext input_scalars_ext;
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struct pva_parameter_ext output_surfaces_ext[PVA_MAX_OUTPUT_SURFACES];
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struct pva_parameter_ext output_scalars_ext;
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struct pva_parameter_ext input_task_status_ext[PVA_MAX_INPUT_STATUS];
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struct pva_parameter_ext output_task_status_ext[PVA_MAX_OUTPUT_STATUS];
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struct pva_parameter_ext
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input_surface_rois_ext[PVA_MAX_INPUT_SURFACES];
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struct pva_parameter_ext
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output_surface_rois_ext[PVA_MAX_OUTPUT_SURFACES];
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struct pva_parameter_ext pointers_ext[PVA_MAX_POINTERS];
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struct pva_parameter_ext pva_ts_buffers_ext[PVA_MAX_FENCE_TYPES]
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[PVA_MAX_FENCES_PER_TYPE];
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};
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struct pva_submit_tasks {
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struct pva_submit_task *tasks[PVA_MAX_TASKS];
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u32 task_thresh[PVA_MAX_TASKS];
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u16 flags;
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u16 num_tasks;
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};
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struct pva_queue_attribute {
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enum pva_queue_attr_id id;
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uint32_t value;
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};
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struct pva_queue_set_attribute {
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struct pva *pva;
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struct pva_queue_attribute *attr;
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bool bootup;
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};
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void pva_task_remove(struct pva_submit_task *task);
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void pva_task_free(struct kref *ref);
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#endif
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