diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h new file mode 100644 index 000000000000..c3f189e8ae35 --- /dev/null +++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h @@ -0,0 +1,146 @@ +/* + * Copyright 2014 Advanced Micro Devices, Inc. + * + * 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) 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 KFD_DEVICE_QUEUE_MANAGER_H_ +#define KFD_DEVICE_QUEUE_MANAGER_H_ + +#include <linux/rwsem.h> +#include <linux/list.h> +#include "kfd_priv.h" +#include "kfd_mqd_manager.h" + +#define QUEUE_PREEMPT_DEFAULT_TIMEOUT_MS (500) +#define QUEUES_PER_PIPE (8) +#define PIPE_PER_ME_CP_SCHEDULING (3) +#define CIK_VMID_NUM (8) +#define KFD_VMID_START_OFFSET (8) +#define VMID_PER_DEVICE CIK_VMID_NUM +#define KFD_DQM_FIRST_PIPE (0) + +struct device_process_node { + struct qcm_process_device *qpd; + struct list_head list; +}; + +/** + * struct device_queue_manager + * + * @create_queue: Queue creation routine. + * + * @destroy_queue: Queue destruction routine. + * + * @update_queue: Queue update routine. + * + * @get_mqd_manager: Returns the mqd manager according to the mqd type. + * + * @exeute_queues: Dispatches the queues list to the H/W. + * + * @register_process: This routine associates a specific process with device. + * + * @unregister_process: destroys the associations between process to device. + * + * @initialize: Initializes the pipelines and memory module for that device. + * + * @start: Initializes the resources/modules the the device needs for queues + * execution. This function is called on device initialization and after the + * system woke up after suspension. + * + * @stop: This routine stops execution of all the active queue running on the + * H/W and basically this function called on system suspend. + * + * @uninitialize: Destroys all the device queue manager resources allocated in + * initialize routine. + * + * @create_kernel_queue: Creates kernel queue. Used for debug queue. + * + * @destroy_kernel_queue: Destroys kernel queue. Used for debug queue. + * + * @set_cache_memory_policy: Sets memory policy (cached/ non cached) for the + * memory apertures. + * + * This struct is a base class for the kfd queues scheduler in the + * device level. The device base class should expose the basic operations + * for queue creation and queue destruction. This base class hides the + * scheduling mode of the driver and the specific implementation of the + * concrete device. This class is the only class in the queues scheduler + * that configures the H/W. + */ + +struct device_queue_manager { + int (*create_queue)(struct device_queue_manager *dqm, + struct queue *q, + struct qcm_process_device *qpd, + int *allocate_vmid); + int (*destroy_queue)(struct device_queue_manager *dqm, + struct qcm_process_device *qpd, + struct queue *q); + int (*update_queue)(struct device_queue_manager *dqm, + struct queue *q); + + struct mqd_manager * (*get_mqd_manager) + (struct device_queue_manager *dqm, + enum KFD_MQD_TYPE type); + + int (*register_process)(struct device_queue_manager *dqm, + struct qcm_process_device *qpd); + int (*unregister_process)(struct device_queue_manager *dqm, + struct qcm_process_device *qpd); + int (*initialize)(struct device_queue_manager *dqm); + int (*start)(struct device_queue_manager *dqm); + int (*stop)(struct device_queue_manager *dqm); + void (*uninitialize)(struct device_queue_manager *dqm); + int (*create_kernel_queue)(struct device_queue_manager *dqm, + struct kernel_queue *kq, + struct qcm_process_device *qpd); + void (*destroy_kernel_queue)(struct device_queue_manager *dqm, + struct kernel_queue *kq, + struct qcm_process_device *qpd); + bool (*set_cache_memory_policy)(struct device_queue_manager *dqm, + struct qcm_process_device *qpd, + enum cache_policy default_policy, + enum cache_policy alternate_policy, + void __user *alternate_aperture_base, + uint64_t alternate_aperture_size); + + + struct mqd_manager *mqds[KFD_MQD_TYPE_MAX]; + struct packet_manager packets; + struct kfd_dev *dev; + struct mutex lock; + struct list_head queues; + unsigned int processes_count; + unsigned int queue_count; + unsigned int next_pipe_to_allocate; + unsigned int *allocated_queues; + unsigned int vmid_bitmap; + uint64_t pipelines_addr; + struct kfd_mem_obj *pipeline_mem; + uint64_t fence_gpu_addr; + unsigned int *fence_addr; + struct kfd_mem_obj *fence_mem; + bool active_runlist; +}; + + + +#endif /* KFD_DEVICE_QUEUE_MANAGER_H_ */ |