2014-07-16 12:08:55 -06:00
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/*
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* Copyright 2014 Advanced Micro Devices, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef KFD_PRIV_H_INCLUDED
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#define KFD_PRIV_H_INCLUDED
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#include <linux/hashtable.h>
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#include <linux/mmu_notifier.h>
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#include <linux/mutex.h>
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#include <linux/types.h>
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#include <linux/atomic.h>
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#include <linux/workqueue.h>
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#include <linux/spinlock.h>
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2014-07-16 14:25:31 -06:00
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#include <linux/kfd_ioctl.h>
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2014-07-16 12:08:55 -06:00
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#include <kgd_kfd_interface.h>
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2014-07-16 12:22:32 -06:00
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#define KFD_SYSFS_FILE_MODE 0444
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2015-05-10 03:15:46 -06:00
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#define KFD_MMAP_DOORBELL_MASK 0x8000000000000
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#define KFD_MMAP_EVENTS_MASK 0x4000000000000
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2014-07-16 15:45:35 -06:00
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/*
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* When working with cp scheduler we should assign the HIQ manually or via
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* the radeon driver to a fixed hqd slot, here are the fixed HIQ hqd slot
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* definitions for Kaveri. In Kaveri only the first ME queues participates
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* in the cp scheduling taking that in mind we set the HIQ slot in the
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* second ME.
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*/
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#define KFD_CIK_HIQ_PIPE 4
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#define KFD_CIK_HIQ_QUEUE 0
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2014-07-16 12:22:32 -06:00
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/* GPU ID hash width in bits */
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#define KFD_GPU_ID_HASH_WIDTH 16
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/* Macro for allocating structures */
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#define kfd_alloc_struct(ptr_to_struct) \
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((typeof(ptr_to_struct)) kzalloc(sizeof(*ptr_to_struct), GFP_KERNEL))
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2014-07-16 14:25:31 -06:00
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#define KFD_MAX_NUM_OF_PROCESSES 512
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2015-01-18 04:18:01 -07:00
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#define KFD_MAX_NUM_OF_QUEUES_PER_PROCESS 1024
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2014-07-16 14:25:31 -06:00
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/*
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2015-01-18 04:18:01 -07:00
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* Kernel module parameter to specify maximum number of supported queues per
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* device
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2014-07-16 14:25:31 -06:00
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*/
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2015-01-18 04:18:01 -07:00
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extern int max_num_of_queues_per_device;
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2014-07-16 14:25:31 -06:00
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2015-01-18 04:18:01 -07:00
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#define KFD_MAX_NUM_OF_QUEUES_PER_DEVICE_DEFAULT 4096
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#define KFD_MAX_NUM_OF_QUEUES_PER_DEVICE \
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(KFD_MAX_NUM_OF_PROCESSES * \
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KFD_MAX_NUM_OF_QUEUES_PER_PROCESS)
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2014-07-16 14:25:31 -06:00
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2014-07-16 15:45:35 -06:00
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#define KFD_KERNEL_QUEUE_SIZE 2048
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2014-07-16 15:48:28 -06:00
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/* Kernel module parameter to specify the scheduling policy */
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extern int sched_policy;
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2014-12-24 04:30:52 -07:00
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/*
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* Kernel module parameter to specify whether to send sigterm to HSA process on
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* unhandled exception
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*/
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extern int send_sigterm;
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2014-07-16 15:48:28 -06:00
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/**
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* enum kfd_sched_policy
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*
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* @KFD_SCHED_POLICY_HWS: H/W scheduling policy known as command processor (cp)
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* scheduling. In this scheduling mode we're using the firmware code to
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* schedule the user mode queues and kernel queues such as HIQ and DIQ.
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* the HIQ queue is used as a special queue that dispatches the configuration
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* to the cp and the user mode queues list that are currently running.
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* the DIQ queue is a debugging queue that dispatches debugging commands to the
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* firmware.
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* in this scheduling mode user mode queues over subscription feature is
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* enabled.
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*
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* @KFD_SCHED_POLICY_HWS_NO_OVERSUBSCRIPTION: The same as above but the over
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* subscription feature disabled.
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*
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* @KFD_SCHED_POLICY_NO_HWS: no H/W scheduling policy is a mode which directly
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* set the command processor registers and sets the queues "manually". This
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* mode is used *ONLY* for debugging proposes.
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*
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*/
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enum kfd_sched_policy {
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KFD_SCHED_POLICY_HWS = 0,
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KFD_SCHED_POLICY_HWS_NO_OVERSUBSCRIPTION,
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KFD_SCHED_POLICY_NO_HWS
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};
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2014-07-16 15:45:35 -06:00
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enum cache_policy {
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cache_policy_coherent,
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cache_policy_noncoherent
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};
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2015-01-01 08:10:01 -07:00
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enum asic_family_type {
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CHIP_KAVERI = 0,
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CHIP_CARRIZO
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};
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2015-05-10 03:15:46 -06:00
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struct kfd_event_interrupt_class {
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bool (*interrupt_isr)(struct kfd_dev *dev,
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const uint32_t *ih_ring_entry);
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void (*interrupt_wq)(struct kfd_dev *dev,
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const uint32_t *ih_ring_entry);
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};
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2014-07-16 12:08:55 -06:00
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struct kfd_device_info {
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2015-01-01 08:10:01 -07:00
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unsigned int asic_family;
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const struct kfd_event_interrupt_class *event_interrupt_class;
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2014-07-16 12:08:55 -06:00
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unsigned int max_pasid_bits;
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2015-05-20 04:43:04 -06:00
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unsigned int max_no_of_hqd;
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2014-07-16 12:08:55 -06:00
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size_t ih_ring_entry_size;
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2014-10-13 07:35:12 -06:00
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uint8_t num_of_watch_points;
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2014-07-16 14:25:31 -06:00
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uint16_t mqd_size_aligned;
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2014-07-16 12:08:55 -06:00
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};
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2014-10-26 01:53:10 -06:00
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struct kfd_mem_obj {
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uint32_t range_start;
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uint32_t range_end;
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uint64_t gpu_addr;
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uint32_t *cpu_ptr;
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};
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2014-07-16 12:08:55 -06:00
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struct kfd_dev {
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struct kgd_dev *kgd;
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const struct kfd_device_info *device_info;
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struct pci_dev *pdev;
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unsigned int id; /* topology stub index */
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2014-07-16 14:25:31 -06:00
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phys_addr_t doorbell_base; /* Start of actual doorbells used by
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* KFD. It is aligned for mapping
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* into user mode
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*/
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size_t doorbell_id_offset; /* Doorbell offset (from KFD doorbell
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* to HW doorbell, GFX reserved some
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* at the start)
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*/
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size_t doorbell_process_limit; /* Number of processes we have doorbell
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* space for.
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*/
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u32 __iomem *doorbell_kernel_ptr; /* This is a pointer for a doorbells
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* page used by kernel queue
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*/
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2014-07-16 12:08:55 -06:00
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struct kgd2kfd_shared_resources shared_resources;
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2015-03-17 05:32:53 -06:00
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const struct kfd2kgd_calls *kfd2kgd;
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struct mutex doorbell_mutex;
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2015-05-19 19:37:51 -06:00
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DECLARE_BITMAP(doorbell_available_index,
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KFD_MAX_NUM_OF_QUEUES_PER_PROCESS);
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2015-03-17 05:32:53 -06:00
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2014-10-26 01:53:10 -06:00
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void *gtt_mem;
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uint64_t gtt_start_gpu_addr;
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void *gtt_start_cpu_ptr;
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void *gtt_sa_bitmap;
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struct mutex gtt_sa_lock;
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unsigned int gtt_sa_chunk_size;
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unsigned int gtt_sa_num_of_chunks;
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2014-07-16 16:37:30 -06:00
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/* Interrupts */
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void *interrupt_ring;
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size_t interrupt_ring_size;
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atomic_t interrupt_ring_rptr;
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atomic_t interrupt_ring_wptr;
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struct work_struct interrupt_work;
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spinlock_t interrupt_lock;
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2014-07-16 15:45:35 -06:00
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/* QCM Device instance */
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struct device_queue_manager *dqm;
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2014-07-16 12:08:55 -06:00
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2014-07-16 15:45:35 -06:00
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bool init_complete;
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2014-07-16 16:37:30 -06:00
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/*
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* Interrupts of interest to KFD are copied
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* from the HW ring into a SW ring.
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*/
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bool interrupts_active;
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2015-05-20 04:48:26 -06:00
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/* Debug manager */
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struct kfd_dbgmgr *dbgmgr;
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2014-07-16 12:08:55 -06:00
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};
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/* KGD2KFD callbacks */
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void kgd2kfd_exit(void);
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2015-03-17 05:32:53 -06:00
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struct kfd_dev *kgd2kfd_probe(struct kgd_dev *kgd,
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struct pci_dev *pdev, const struct kfd2kgd_calls *f2g);
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2014-07-16 12:08:55 -06:00
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bool kgd2kfd_device_init(struct kfd_dev *kfd,
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2015-03-17 05:32:53 -06:00
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const struct kgd2kfd_shared_resources *gpu_resources);
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2014-07-16 12:08:55 -06:00
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void kgd2kfd_device_exit(struct kfd_dev *kfd);
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2014-07-16 14:25:31 -06:00
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enum kfd_mempool {
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KFD_MEMPOOL_SYSTEM_CACHEABLE = 1,
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KFD_MEMPOOL_SYSTEM_WRITECOMBINE = 2,
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KFD_MEMPOOL_FRAMEBUFFER = 3,
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};
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2014-07-16 12:08:55 -06:00
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/* Character device interface */
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int kfd_chardev_init(void);
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void kfd_chardev_exit(void);
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struct device *kfd_chardev(void);
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2014-07-16 15:55:28 -06:00
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/**
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* enum kfd_preempt_type_filter
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*
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* @KFD_PREEMPT_TYPE_FILTER_SINGLE_QUEUE: Preempts single queue.
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*
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* @KFD_PRERMPT_TYPE_FILTER_ALL_QUEUES: Preempts all queues in the
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* running queues list.
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*
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* @KFD_PRERMPT_TYPE_FILTER_BY_PASID: Preempts queues that belongs to
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* specific process.
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*
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*/
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enum kfd_preempt_type_filter {
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KFD_PREEMPT_TYPE_FILTER_SINGLE_QUEUE,
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KFD_PREEMPT_TYPE_FILTER_ALL_QUEUES,
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2015-05-20 04:43:04 -06:00
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KFD_PREEMPT_TYPE_FILTER_DYNAMIC_QUEUES,
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2014-07-16 15:55:28 -06:00
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KFD_PREEMPT_TYPE_FILTER_BY_PASID
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};
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2014-07-16 14:25:31 -06:00
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2014-07-16 15:36:17 -06:00
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enum kfd_preempt_type {
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KFD_PREEMPT_TYPE_WAVEFRONT,
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KFD_PREEMPT_TYPE_WAVEFRONT_RESET
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};
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2014-07-16 15:18:51 -06:00
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/**
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* enum kfd_queue_type
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*
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* @KFD_QUEUE_TYPE_COMPUTE: Regular user mode queue type.
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*
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* @KFD_QUEUE_TYPE_SDMA: Sdma user mode queue type.
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*
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* @KFD_QUEUE_TYPE_HIQ: HIQ queue type.
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*
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* @KFD_QUEUE_TYPE_DIQ: DIQ queue type.
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*/
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enum kfd_queue_type {
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KFD_QUEUE_TYPE_COMPUTE,
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KFD_QUEUE_TYPE_SDMA,
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KFD_QUEUE_TYPE_HIQ,
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KFD_QUEUE_TYPE_DIQ
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};
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2014-07-16 15:36:17 -06:00
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enum kfd_queue_format {
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KFD_QUEUE_FORMAT_PM4,
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KFD_QUEUE_FORMAT_AQL
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};
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2014-07-16 15:18:51 -06:00
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/**
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* struct queue_properties
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*
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* @type: The queue type.
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*
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* @queue_id: Queue identifier.
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*
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* @queue_address: Queue ring buffer address.
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*
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* @queue_size: Queue ring buffer size.
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*
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* @priority: Defines the queue priority relative to other queues in the
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* process.
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* This is just an indication and HW scheduling may override the priority as
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* necessary while keeping the relative prioritization.
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* the priority granularity is from 0 to f which f is the highest priority.
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* currently all queues are initialized with the highest priority.
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*
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* @queue_percent: This field is partially implemented and currently a zero in
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* this field defines that the queue is non active.
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*
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* @read_ptr: User space address which points to the number of dwords the
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* cp read from the ring buffer. This field updates automatically by the H/W.
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*
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* @write_ptr: Defines the number of dwords written to the ring buffer.
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*
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* @doorbell_ptr: This field aim is to notify the H/W of new packet written to
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* the queue ring buffer. This field should be similar to write_ptr and the user
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* should update this field after he updated the write_ptr.
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*
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* @doorbell_off: The doorbell offset in the doorbell pci-bar.
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*
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* @is_interop: Defines if this is a interop queue. Interop queue means that the
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* queue can access both graphics and compute resources.
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*
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* @is_active: Defines if the queue is active or not.
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*
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* @vmid: If the scheduling mode is no cp scheduling the field defines the vmid
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* of the queue.
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*
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* This structure represents the queue properties for each queue no matter if
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* it's user mode or kernel mode queue.
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*
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*/
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struct queue_properties {
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enum kfd_queue_type type;
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2014-07-16 15:36:17 -06:00
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enum kfd_queue_format format;
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2014-07-16 15:18:51 -06:00
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unsigned int queue_id;
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uint64_t queue_address;
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uint64_t queue_size;
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|
|
uint32_t priority;
|
|
|
|
uint32_t queue_percent;
|
|
|
|
uint32_t *read_ptr;
|
|
|
|
uint32_t *write_ptr;
|
2014-11-20 07:14:56 -07:00
|
|
|
uint32_t __iomem *doorbell_ptr;
|
2014-07-16 15:18:51 -06:00
|
|
|
uint32_t doorbell_off;
|
|
|
|
bool is_interop;
|
|
|
|
bool is_active;
|
|
|
|
/* Not relevant for user mode queues in cp scheduling */
|
|
|
|
unsigned int vmid;
|
2015-01-03 13:12:31 -07:00
|
|
|
/* Relevant only for sdma queues*/
|
|
|
|
uint32_t sdma_engine_id;
|
|
|
|
uint32_t sdma_queue_id;
|
|
|
|
uint32_t sdma_vm_addr;
|
2015-01-04 01:37:18 -07:00
|
|
|
/* Relevant only for VI */
|
|
|
|
uint64_t eop_ring_buffer_address;
|
|
|
|
uint32_t eop_ring_buffer_size;
|
|
|
|
uint64_t ctx_save_restore_area_address;
|
|
|
|
uint32_t ctx_save_restore_area_size;
|
2014-07-16 15:18:51 -06:00
|
|
|
};
|
|
|
|
|
|
|
|
/**
|
|
|
|
* struct queue
|
|
|
|
*
|
|
|
|
* @list: Queue linked list.
|
|
|
|
*
|
|
|
|
* @mqd: The queue MQD.
|
|
|
|
*
|
|
|
|
* @mqd_mem_obj: The MQD local gpu memory object.
|
|
|
|
*
|
|
|
|
* @gart_mqd_addr: The MQD gart mc address.
|
|
|
|
*
|
|
|
|
* @properties: The queue properties.
|
|
|
|
*
|
|
|
|
* @mec: Used only in no cp scheduling mode and identifies to micro engine id
|
|
|
|
* that the queue should be execute on.
|
|
|
|
*
|
|
|
|
* @pipe: Used only in no cp scheduling mode and identifies the queue's pipe id.
|
|
|
|
*
|
|
|
|
* @queue: Used only in no cp scheduliong mode and identifies the queue's slot.
|
|
|
|
*
|
|
|
|
* @process: The kfd process that created this queue.
|
|
|
|
*
|
|
|
|
* @device: The kfd device that created this queue.
|
|
|
|
*
|
|
|
|
* This structure represents user mode compute queues.
|
|
|
|
* It contains all the necessary data to handle such queues.
|
|
|
|
*
|
|
|
|
*/
|
|
|
|
|
|
|
|
struct queue {
|
|
|
|
struct list_head list;
|
|
|
|
void *mqd;
|
|
|
|
struct kfd_mem_obj *mqd_mem_obj;
|
|
|
|
uint64_t gart_mqd_addr;
|
|
|
|
struct queue_properties properties;
|
|
|
|
|
|
|
|
uint32_t mec;
|
|
|
|
uint32_t pipe;
|
|
|
|
uint32_t queue;
|
|
|
|
|
2015-01-03 13:12:31 -07:00
|
|
|
unsigned int sdma_id;
|
|
|
|
|
2014-07-16 15:18:51 -06:00
|
|
|
struct kfd_process *process;
|
|
|
|
struct kfd_dev *device;
|
|
|
|
};
|
|
|
|
|
2014-07-16 15:36:17 -06:00
|
|
|
/*
|
|
|
|
* Please read the kfd_mqd_manager.h description.
|
|
|
|
*/
|
|
|
|
enum KFD_MQD_TYPE {
|
2015-01-04 01:36:30 -07:00
|
|
|
KFD_MQD_TYPE_COMPUTE = 0, /* for no cp scheduling */
|
|
|
|
KFD_MQD_TYPE_HIQ, /* for hiq */
|
|
|
|
KFD_MQD_TYPE_CP, /* for cp queues and diq */
|
|
|
|
KFD_MQD_TYPE_SDMA, /* for sdma queues */
|
2014-07-16 15:36:17 -06:00
|
|
|
KFD_MQD_TYPE_MAX
|
|
|
|
};
|
|
|
|
|
2014-07-16 15:55:28 -06:00
|
|
|
struct scheduling_resources {
|
|
|
|
unsigned int vmid_mask;
|
|
|
|
enum kfd_queue_type type;
|
|
|
|
uint64_t queue_mask;
|
|
|
|
uint64_t gws_mask;
|
|
|
|
uint32_t oac_mask;
|
|
|
|
uint32_t gds_heap_base;
|
|
|
|
uint32_t gds_heap_size;
|
|
|
|
};
|
|
|
|
|
|
|
|
struct process_queue_manager {
|
|
|
|
/* data */
|
|
|
|
struct kfd_process *process;
|
|
|
|
unsigned int num_concurrent_processes;
|
|
|
|
struct list_head queues;
|
|
|
|
unsigned long *queue_slot_bitmap;
|
|
|
|
};
|
|
|
|
|
|
|
|
struct qcm_process_device {
|
|
|
|
/* The Device Queue Manager that owns this data */
|
|
|
|
struct device_queue_manager *dqm;
|
|
|
|
struct process_queue_manager *pqm;
|
|
|
|
/* Queues list */
|
|
|
|
struct list_head queues_list;
|
|
|
|
struct list_head priv_queue_list;
|
|
|
|
|
|
|
|
unsigned int queue_count;
|
|
|
|
unsigned int vmid;
|
|
|
|
bool is_debug;
|
|
|
|
/*
|
|
|
|
* All the memory management data should be here too
|
|
|
|
*/
|
|
|
|
uint64_t gds_context_area;
|
|
|
|
uint32_t sh_mem_config;
|
|
|
|
uint32_t sh_mem_bases;
|
|
|
|
uint32_t sh_mem_ape1_base;
|
|
|
|
uint32_t sh_mem_ape1_limit;
|
|
|
|
uint32_t page_table_base;
|
|
|
|
uint32_t gds_size;
|
|
|
|
uint32_t num_gws;
|
|
|
|
uint32_t num_oac;
|
|
|
|
};
|
|
|
|
|
2014-07-16 14:25:31 -06:00
|
|
|
/* Data that is per-process-per device. */
|
|
|
|
struct kfd_process_device {
|
|
|
|
/*
|
|
|
|
* List of all per-device data for a process.
|
|
|
|
* Starts from kfd_process.per_device_data.
|
|
|
|
*/
|
|
|
|
struct list_head per_device_list;
|
|
|
|
|
|
|
|
/* The device that owns this data. */
|
|
|
|
struct kfd_dev *dev;
|
|
|
|
|
|
|
|
|
2014-07-16 16:04:10 -06:00
|
|
|
/* per-process-per device QCM data structure */
|
|
|
|
struct qcm_process_device qpd;
|
|
|
|
|
2014-07-16 14:25:31 -06:00
|
|
|
/*Apertures*/
|
|
|
|
uint64_t lds_base;
|
|
|
|
uint64_t lds_limit;
|
|
|
|
uint64_t gpuvm_base;
|
|
|
|
uint64_t gpuvm_limit;
|
|
|
|
uint64_t scratch_base;
|
|
|
|
uint64_t scratch_limit;
|
|
|
|
|
|
|
|
/* Is this process/pasid bound to this device? (amd_iommu_bind_pasid) */
|
|
|
|
bool bound;
|
2015-03-25 05:12:20 -06:00
|
|
|
|
|
|
|
/* This flag tells if we should reset all
|
|
|
|
* wavefronts on process termination
|
|
|
|
*/
|
|
|
|
bool reset_wavefronts;
|
2014-07-16 14:25:31 -06:00
|
|
|
};
|
|
|
|
|
2014-11-19 08:07:00 -07:00
|
|
|
#define qpd_to_pdd(x) container_of(x, struct kfd_process_device, qpd)
|
|
|
|
|
2014-07-16 12:08:55 -06:00
|
|
|
/* Process data */
|
|
|
|
struct kfd_process {
|
2014-07-16 14:25:31 -06:00
|
|
|
/*
|
|
|
|
* kfd_process are stored in an mm_struct*->kfd_process*
|
|
|
|
* hash table (kfd_processes in kfd_process.c)
|
|
|
|
*/
|
|
|
|
struct hlist_node kfd_processes;
|
|
|
|
|
|
|
|
struct mm_struct *mm;
|
|
|
|
|
|
|
|
struct mutex mutex;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* In any process, the thread that started main() is the lead
|
|
|
|
* thread and outlives the rest.
|
|
|
|
* It is here because amd_iommu_bind_pasid wants a task_struct.
|
|
|
|
*/
|
|
|
|
struct task_struct *lead_thread;
|
|
|
|
|
|
|
|
/* We want to receive a notification when the mm_struct is destroyed */
|
|
|
|
struct mmu_notifier mmu_notifier;
|
|
|
|
|
|
|
|
/* Use for delayed freeing of kfd_process structure */
|
|
|
|
struct rcu_head rcu;
|
|
|
|
|
|
|
|
unsigned int pasid;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* List of kfd_process_device structures,
|
|
|
|
* one for each device the process is using.
|
|
|
|
*/
|
|
|
|
struct list_head per_device_data;
|
|
|
|
|
2014-07-16 16:04:10 -06:00
|
|
|
struct process_queue_manager pqm;
|
|
|
|
|
2014-07-16 14:25:31 -06:00
|
|
|
/* The process's queues. */
|
|
|
|
size_t queue_array_size;
|
|
|
|
|
|
|
|
/* Size is queue_array_size, up to MAX_PROCESS_QUEUES. */
|
|
|
|
struct kfd_queue **queues;
|
|
|
|
|
|
|
|
/*Is the user space process 32 bit?*/
|
|
|
|
bool is_32bit_user_mode;
|
2015-05-10 03:15:46 -06:00
|
|
|
|
|
|
|
/* Event-related data */
|
|
|
|
struct mutex event_mutex;
|
|
|
|
/* All events in process hashed by ID, linked on kfd_event.events. */
|
|
|
|
DECLARE_HASHTABLE(events, 4);
|
|
|
|
struct list_head signal_event_pages; /* struct slot_page_header.
|
|
|
|
event_pages */
|
|
|
|
u32 next_nonsignal_event_id;
|
|
|
|
size_t signal_event_count;
|
2014-07-16 12:08:55 -06:00
|
|
|
};
|
|
|
|
|
2014-12-29 05:20:05 -07:00
|
|
|
/**
|
|
|
|
* Ioctl function type.
|
|
|
|
*
|
|
|
|
* \param filep pointer to file structure.
|
|
|
|
* \param p amdkfd process pointer.
|
|
|
|
* \param data pointer to arg that was copied from user.
|
|
|
|
*/
|
|
|
|
typedef int amdkfd_ioctl_t(struct file *filep, struct kfd_process *p,
|
|
|
|
void *data);
|
|
|
|
|
|
|
|
struct amdkfd_ioctl_desc {
|
|
|
|
unsigned int cmd;
|
|
|
|
int flags;
|
|
|
|
amdkfd_ioctl_t *func;
|
|
|
|
unsigned int cmd_drv;
|
|
|
|
const char *name;
|
|
|
|
};
|
|
|
|
|
2014-07-16 14:25:31 -06:00
|
|
|
void kfd_process_create_wq(void);
|
|
|
|
void kfd_process_destroy_wq(void);
|
|
|
|
struct kfd_process *kfd_create_process(const struct task_struct *);
|
|
|
|
struct kfd_process *kfd_get_process(const struct task_struct *);
|
2015-05-10 03:15:46 -06:00
|
|
|
struct kfd_process *kfd_lookup_process_by_pasid(unsigned int pasid);
|
2014-07-16 14:25:31 -06:00
|
|
|
|
2014-07-16 16:27:00 -06:00
|
|
|
struct kfd_process_device *kfd_bind_process_to_device(struct kfd_dev *dev,
|
|
|
|
struct kfd_process *p);
|
2014-07-16 15:06:27 -06:00
|
|
|
void kfd_unbind_process_from_device(struct kfd_dev *dev, unsigned int pasid);
|
2014-07-16 14:25:31 -06:00
|
|
|
struct kfd_process_device *kfd_get_process_device_data(struct kfd_dev *dev,
|
2014-11-18 05:00:04 -07:00
|
|
|
struct kfd_process *p);
|
|
|
|
struct kfd_process_device *kfd_create_process_device_data(struct kfd_dev *dev,
|
|
|
|
struct kfd_process *p);
|
2014-07-16 14:25:31 -06:00
|
|
|
|
2014-07-16 16:49:36 -06:00
|
|
|
/* Process device data iterator */
|
|
|
|
struct kfd_process_device *kfd_get_first_process_device_data(struct kfd_process *p);
|
|
|
|
struct kfd_process_device *kfd_get_next_process_device_data(struct kfd_process *p,
|
|
|
|
struct kfd_process_device *pdd);
|
|
|
|
bool kfd_has_process_device_data(struct kfd_process *p);
|
|
|
|
|
2014-07-16 14:25:31 -06:00
|
|
|
/* PASIDs */
|
|
|
|
int kfd_pasid_init(void);
|
|
|
|
void kfd_pasid_exit(void);
|
|
|
|
bool kfd_set_pasid_limit(unsigned int new_limit);
|
|
|
|
unsigned int kfd_get_pasid_limit(void);
|
|
|
|
unsigned int kfd_pasid_alloc(void);
|
|
|
|
void kfd_pasid_free(unsigned int pasid);
|
|
|
|
|
|
|
|
/* Doorbells */
|
|
|
|
void kfd_doorbell_init(struct kfd_dev *kfd);
|
|
|
|
int kfd_doorbell_mmap(struct kfd_process *process, struct vm_area_struct *vma);
|
|
|
|
u32 __iomem *kfd_get_kernel_doorbell(struct kfd_dev *kfd,
|
|
|
|
unsigned int *doorbell_off);
|
|
|
|
void kfd_release_kernel_doorbell(struct kfd_dev *kfd, u32 __iomem *db_addr);
|
|
|
|
u32 read_kernel_doorbell(u32 __iomem *db);
|
|
|
|
void write_kernel_doorbell(u32 __iomem *db, u32 value);
|
|
|
|
unsigned int kfd_queue_id_to_doorbell(struct kfd_dev *kfd,
|
|
|
|
struct kfd_process *process,
|
|
|
|
unsigned int queue_id);
|
|
|
|
|
2014-10-27 06:36:07 -06:00
|
|
|
/* GTT Sub-Allocator */
|
|
|
|
|
|
|
|
int kfd_gtt_sa_allocate(struct kfd_dev *kfd, unsigned int size,
|
|
|
|
struct kfd_mem_obj **mem_obj);
|
|
|
|
|
|
|
|
int kfd_gtt_sa_free(struct kfd_dev *kfd, struct kfd_mem_obj *mem_obj);
|
|
|
|
|
2014-07-16 12:08:55 -06:00
|
|
|
extern struct device *kfd_device;
|
|
|
|
|
2014-07-16 12:22:32 -06:00
|
|
|
/* Topology */
|
|
|
|
int kfd_topology_init(void);
|
|
|
|
void kfd_topology_shutdown(void);
|
|
|
|
int kfd_topology_add_device(struct kfd_dev *gpu);
|
|
|
|
int kfd_topology_remove_device(struct kfd_dev *gpu);
|
|
|
|
struct kfd_dev *kfd_device_by_id(uint32_t gpu_id);
|
|
|
|
struct kfd_dev *kfd_device_by_pci_dev(const struct pci_dev *pdev);
|
|
|
|
struct kfd_dev *kfd_topology_enum_kfd_devices(uint8_t idx);
|
|
|
|
|
2014-07-16 12:08:55 -06:00
|
|
|
/* Interrupts */
|
2014-07-16 16:37:30 -06:00
|
|
|
int kfd_interrupt_init(struct kfd_dev *dev);
|
|
|
|
void kfd_interrupt_exit(struct kfd_dev *dev);
|
2014-07-16 16:37:30 -06:00
|
|
|
void kgd2kfd_interrupt(struct kfd_dev *kfd, const void *ih_ring_entry);
|
2014-07-16 16:37:30 -06:00
|
|
|
bool enqueue_ih_ring_entry(struct kfd_dev *kfd, const void *ih_ring_entry);
|
|
|
|
bool interrupt_is_wanted(struct kfd_dev *dev, const uint32_t *ih_ring_entry);
|
2014-07-16 12:08:55 -06:00
|
|
|
|
|
|
|
/* Power Management */
|
2014-07-16 16:37:30 -06:00
|
|
|
void kgd2kfd_suspend(struct kfd_dev *kfd);
|
|
|
|
int kgd2kfd_resume(struct kfd_dev *kfd);
|
2014-07-16 12:08:55 -06:00
|
|
|
|
2014-07-16 14:25:31 -06:00
|
|
|
/* amdkfd Apertures */
|
|
|
|
int kfd_init_apertures(struct kfd_process *process);
|
|
|
|
|
2014-07-16 15:45:35 -06:00
|
|
|
/* Queue Context Management */
|
2015-01-03 13:12:31 -07:00
|
|
|
struct cik_sdma_rlc_registers *get_sdma_mqd(void *mqd);
|
2014-07-16 15:55:28 -06:00
|
|
|
|
2016-09-16 23:01:45 -06:00
|
|
|
int init_queue(struct queue **q, const struct queue_properties *properties);
|
2014-07-16 15:45:35 -06:00
|
|
|
void uninit_queue(struct queue *q);
|
2014-07-16 16:04:10 -06:00
|
|
|
void print_queue_properties(struct queue_properties *q);
|
2014-07-16 15:45:35 -06:00
|
|
|
void print_queue(struct queue *q);
|
|
|
|
|
2014-07-16 16:27:00 -06:00
|
|
|
struct mqd_manager *mqd_manager_init(enum KFD_MQD_TYPE type,
|
|
|
|
struct kfd_dev *dev);
|
2015-01-04 02:24:25 -07:00
|
|
|
struct mqd_manager *mqd_manager_init_cik(enum KFD_MQD_TYPE type,
|
|
|
|
struct kfd_dev *dev);
|
|
|
|
struct mqd_manager *mqd_manager_init_vi(enum KFD_MQD_TYPE type,
|
|
|
|
struct kfd_dev *dev);
|
2014-07-16 16:27:00 -06:00
|
|
|
struct device_queue_manager *device_queue_manager_init(struct kfd_dev *dev);
|
|
|
|
void device_queue_manager_uninit(struct device_queue_manager *dqm);
|
2014-07-16 15:55:28 -06:00
|
|
|
struct kernel_queue *kernel_queue_init(struct kfd_dev *dev,
|
|
|
|
enum kfd_queue_type type);
|
|
|
|
void kernel_queue_uninit(struct kernel_queue *kq);
|
|
|
|
|
2014-07-16 16:04:10 -06:00
|
|
|
/* Process Queue Manager */
|
|
|
|
struct process_queue_node {
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|
struct queue *q;
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|
|
struct kernel_queue *kq;
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|
|
struct list_head process_queue_list;
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|
|
|
};
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|
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|
|
|
int pqm_init(struct process_queue_manager *pqm, struct kfd_process *p);
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|
|
void pqm_uninit(struct process_queue_manager *pqm);
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|
|
int pqm_create_queue(struct process_queue_manager *pqm,
|
|
|
|
struct kfd_dev *dev,
|
|
|
|
struct file *f,
|
|
|
|
struct queue_properties *properties,
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|
|
unsigned int flags,
|
|
|
|
enum kfd_queue_type type,
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|
|
|
unsigned int *qid);
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|
|
int pqm_destroy_queue(struct process_queue_manager *pqm, unsigned int qid);
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|
|
|
int pqm_update_queue(struct process_queue_manager *pqm, unsigned int qid,
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|
|
|
struct queue_properties *p);
|
2015-05-20 04:48:26 -06:00
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|
|
struct kernel_queue *pqm_get_kernel_queue(struct process_queue_manager *pqm,
|
|
|
|
unsigned int qid);
|
2014-07-16 16:04:10 -06:00
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|
|
2015-05-20 04:58:12 -06:00
|
|
|
int amdkfd_fence_wait_timeout(unsigned int *fence_addr,
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|
|
|
unsigned int fence_value,
|
|
|
|
unsigned long timeout);
|
|
|
|
|
2014-07-16 15:45:35 -06:00
|
|
|
/* Packet Manager */
|
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|
|
|
2014-07-16 15:55:28 -06:00
|
|
|
#define KFD_HIQ_TIMEOUT (500)
|
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|
|
|
2014-07-16 16:27:00 -06:00
|
|
|
#define KFD_FENCE_COMPLETED (100)
|
|
|
|
#define KFD_FENCE_INIT (10)
|
2014-07-16 15:55:28 -06:00
|
|
|
#define KFD_UNMAP_LATENCY (150)
|
|
|
|
|
2014-07-16 15:45:35 -06:00
|
|
|
struct packet_manager {
|
|
|
|
struct device_queue_manager *dqm;
|
|
|
|
struct kernel_queue *priv_queue;
|
|
|
|
struct mutex lock;
|
|
|
|
bool allocated;
|
|
|
|
struct kfd_mem_obj *ib_buffer_obj;
|
|
|
|
};
|
|
|
|
|
2014-07-16 16:27:00 -06:00
|
|
|
int pm_init(struct packet_manager *pm, struct device_queue_manager *dqm);
|
|
|
|
void pm_uninit(struct packet_manager *pm);
|
|
|
|
int pm_send_set_resources(struct packet_manager *pm,
|
|
|
|
struct scheduling_resources *res);
|
|
|
|
int pm_send_runlist(struct packet_manager *pm, struct list_head *dqm_queues);
|
|
|
|
int pm_send_query_status(struct packet_manager *pm, uint64_t fence_address,
|
|
|
|
uint32_t fence_value);
|
|
|
|
|
|
|
|
int pm_send_unmap_queue(struct packet_manager *pm, enum kfd_queue_type type,
|
|
|
|
enum kfd_preempt_type_filter mode,
|
|
|
|
uint32_t filter_param, bool reset,
|
|
|
|
unsigned int sdma_engine);
|
|
|
|
|
2014-07-16 15:55:28 -06:00
|
|
|
void pm_release_ib(struct packet_manager *pm);
|
|
|
|
|
2014-07-16 14:25:31 -06:00
|
|
|
uint64_t kfd_get_number_elems(struct kfd_dev *kfd);
|
|
|
|
phys_addr_t kfd_get_process_doorbells(struct kfd_dev *dev,
|
|
|
|
struct kfd_process *process);
|
|
|
|
|
2015-05-10 03:15:46 -06:00
|
|
|
/* Events */
|
|
|
|
extern const struct kfd_event_interrupt_class event_interrupt_class_cik;
|
2014-11-25 01:34:31 -07:00
|
|
|
extern const struct kfd_device_global_init_class device_global_init_class_cik;
|
2015-05-10 03:15:46 -06:00
|
|
|
|
|
|
|
enum kfd_event_wait_result {
|
|
|
|
KFD_WAIT_COMPLETE,
|
|
|
|
KFD_WAIT_TIMEOUT,
|
|
|
|
KFD_WAIT_ERROR
|
|
|
|
};
|
|
|
|
|
|
|
|
void kfd_event_init_process(struct kfd_process *p);
|
|
|
|
void kfd_event_free_process(struct kfd_process *p);
|
|
|
|
int kfd_event_mmap(struct kfd_process *process, struct vm_area_struct *vma);
|
|
|
|
int kfd_wait_on_events(struct kfd_process *p,
|
2015-04-14 09:05:49 -06:00
|
|
|
uint32_t num_events, void __user *data,
|
2015-05-10 03:15:46 -06:00
|
|
|
bool all, uint32_t user_timeout_ms,
|
|
|
|
enum kfd_event_wait_result *wait_result);
|
|
|
|
void kfd_signal_event_interrupt(unsigned int pasid, uint32_t partial_id,
|
|
|
|
uint32_t valid_id_bits);
|
2015-04-14 09:05:49 -06:00
|
|
|
void kfd_signal_iommu_event(struct kfd_dev *dev,
|
|
|
|
unsigned int pasid, unsigned long address,
|
|
|
|
bool is_write_requested, bool is_execute_requested);
|
2014-11-25 01:34:31 -07:00
|
|
|
void kfd_signal_hw_exception_event(unsigned int pasid);
|
2015-05-10 03:15:46 -06:00
|
|
|
int kfd_set_event(struct kfd_process *p, uint32_t event_id);
|
|
|
|
int kfd_reset_event(struct kfd_process *p, uint32_t event_id);
|
|
|
|
int kfd_event_create(struct file *devkfd, struct kfd_process *p,
|
|
|
|
uint32_t event_type, bool auto_reset, uint32_t node_id,
|
|
|
|
uint32_t *event_id, uint32_t *event_trigger_data,
|
|
|
|
uint64_t *event_page_offset, uint32_t *event_slot_index);
|
|
|
|
int kfd_event_destroy(struct kfd_process *p, uint32_t event_id);
|
|
|
|
|
2015-05-20 09:05:44 -06:00
|
|
|
int dbgdev_wave_reset_wavefronts(struct kfd_dev *dev, struct kfd_process *p);
|
|
|
|
|
2014-07-16 12:08:55 -06:00
|
|
|
#endif
|