14a488a7aSOded Gabbay /* 24a488a7aSOded Gabbay * Copyright 2014 Advanced Micro Devices, Inc. 34a488a7aSOded Gabbay * 44a488a7aSOded Gabbay * Permission is hereby granted, free of charge, to any person obtaining a 54a488a7aSOded Gabbay * copy of this software and associated documentation files (the "Software"), 64a488a7aSOded Gabbay * to deal in the Software without restriction, including without limitation 74a488a7aSOded Gabbay * the rights to use, copy, modify, merge, publish, distribute, sublicense, 84a488a7aSOded Gabbay * and/or sell copies of the Software, and to permit persons to whom the 94a488a7aSOded Gabbay * Software is furnished to do so, subject to the following conditions: 104a488a7aSOded Gabbay * 114a488a7aSOded Gabbay * The above copyright notice and this permission notice shall be included in 124a488a7aSOded Gabbay * all copies or substantial portions of the Software. 134a488a7aSOded Gabbay * 144a488a7aSOded Gabbay * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 154a488a7aSOded Gabbay * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 164a488a7aSOded Gabbay * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 174a488a7aSOded Gabbay * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 184a488a7aSOded Gabbay * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 194a488a7aSOded Gabbay * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 204a488a7aSOded Gabbay * OTHER DEALINGS IN THE SOFTWARE. 214a488a7aSOded Gabbay */ 224a488a7aSOded Gabbay 234a488a7aSOded Gabbay #ifndef KFD_PRIV_H_INCLUDED 244a488a7aSOded Gabbay #define KFD_PRIV_H_INCLUDED 254a488a7aSOded Gabbay 264a488a7aSOded Gabbay #include <linux/hashtable.h> 274a488a7aSOded Gabbay #include <linux/mmu_notifier.h> 284a488a7aSOded Gabbay #include <linux/mutex.h> 294a488a7aSOded Gabbay #include <linux/types.h> 304a488a7aSOded Gabbay #include <linux/atomic.h> 314a488a7aSOded Gabbay #include <linux/workqueue.h> 324a488a7aSOded Gabbay #include <linux/spinlock.h> 3319f6d2a6SOded Gabbay #include <linux/kfd_ioctl.h> 34482f0777SFelix Kuehling #include <linux/idr.h> 354a488a7aSOded Gabbay #include <kgd_kfd_interface.h> 364a488a7aSOded Gabbay 37e596b903SYong Zhao #include "amd_shared.h" 38e596b903SYong Zhao 395b5c4e40SEvgeny Pinchuk #define KFD_SYSFS_FILE_MODE 0444 405b5c4e40SEvgeny Pinchuk 41f3a39818SAndrew Lewycky #define KFD_MMAP_DOORBELL_MASK 0x8000000000000 42f3a39818SAndrew Lewycky #define KFD_MMAP_EVENTS_MASK 0x4000000000000 43f3a39818SAndrew Lewycky 44ed6e6a34SBen Goz /* 45ed6e6a34SBen Goz * When working with cp scheduler we should assign the HIQ manually or via 46ed6e6a34SBen Goz * the radeon driver to a fixed hqd slot, here are the fixed HIQ hqd slot 47ed6e6a34SBen Goz * definitions for Kaveri. In Kaveri only the first ME queues participates 48ed6e6a34SBen Goz * in the cp scheduling taking that in mind we set the HIQ slot in the 49ed6e6a34SBen Goz * second ME. 50ed6e6a34SBen Goz */ 51ed6e6a34SBen Goz #define KFD_CIK_HIQ_PIPE 4 52ed6e6a34SBen Goz #define KFD_CIK_HIQ_QUEUE 0 53ed6e6a34SBen Goz 545b5c4e40SEvgeny Pinchuk /* GPU ID hash width in bits */ 555b5c4e40SEvgeny Pinchuk #define KFD_GPU_ID_HASH_WIDTH 16 565b5c4e40SEvgeny Pinchuk 575b5c4e40SEvgeny Pinchuk /* Macro for allocating structures */ 585b5c4e40SEvgeny Pinchuk #define kfd_alloc_struct(ptr_to_struct) \ 595b5c4e40SEvgeny Pinchuk ((typeof(ptr_to_struct)) kzalloc(sizeof(*ptr_to_struct), GFP_KERNEL)) 605b5c4e40SEvgeny Pinchuk 6119f6d2a6SOded Gabbay #define KFD_MAX_NUM_OF_PROCESSES 512 62b8cbab04SOded Gabbay #define KFD_MAX_NUM_OF_QUEUES_PER_PROCESS 1024 6319f6d2a6SOded Gabbay 6419f6d2a6SOded Gabbay /* 65b8cbab04SOded Gabbay * Kernel module parameter to specify maximum number of supported queues per 66b8cbab04SOded Gabbay * device 6719f6d2a6SOded Gabbay */ 68b8cbab04SOded Gabbay extern int max_num_of_queues_per_device; 6919f6d2a6SOded Gabbay 70b8cbab04SOded Gabbay #define KFD_MAX_NUM_OF_QUEUES_PER_DEVICE_DEFAULT 4096 71b8cbab04SOded Gabbay #define KFD_MAX_NUM_OF_QUEUES_PER_DEVICE \ 72b8cbab04SOded Gabbay (KFD_MAX_NUM_OF_PROCESSES * \ 73b8cbab04SOded Gabbay KFD_MAX_NUM_OF_QUEUES_PER_PROCESS) 7419f6d2a6SOded Gabbay 75ed6e6a34SBen Goz #define KFD_KERNEL_QUEUE_SIZE 2048 76ed6e6a34SBen Goz 7731c21fecSBen Goz /* Kernel module parameter to specify the scheduling policy */ 7831c21fecSBen Goz extern int sched_policy; 7931c21fecSBen Goz 8081663016SOded Gabbay /* 8181663016SOded Gabbay * Kernel module parameter to specify whether to send sigterm to HSA process on 8281663016SOded Gabbay * unhandled exception 8381663016SOded Gabbay */ 8481663016SOded Gabbay extern int send_sigterm; 8581663016SOded Gabbay 8631c21fecSBen Goz /** 8731c21fecSBen Goz * enum kfd_sched_policy 8831c21fecSBen Goz * 8931c21fecSBen Goz * @KFD_SCHED_POLICY_HWS: H/W scheduling policy known as command processor (cp) 9031c21fecSBen Goz * scheduling. In this scheduling mode we're using the firmware code to 9131c21fecSBen Goz * schedule the user mode queues and kernel queues such as HIQ and DIQ. 9231c21fecSBen Goz * the HIQ queue is used as a special queue that dispatches the configuration 9331c21fecSBen Goz * to the cp and the user mode queues list that are currently running. 9431c21fecSBen Goz * the DIQ queue is a debugging queue that dispatches debugging commands to the 9531c21fecSBen Goz * firmware. 9631c21fecSBen Goz * in this scheduling mode user mode queues over subscription feature is 9731c21fecSBen Goz * enabled. 9831c21fecSBen Goz * 9931c21fecSBen Goz * @KFD_SCHED_POLICY_HWS_NO_OVERSUBSCRIPTION: The same as above but the over 10031c21fecSBen Goz * subscription feature disabled. 10131c21fecSBen Goz * 10231c21fecSBen Goz * @KFD_SCHED_POLICY_NO_HWS: no H/W scheduling policy is a mode which directly 10331c21fecSBen Goz * set the command processor registers and sets the queues "manually". This 10431c21fecSBen Goz * mode is used *ONLY* for debugging proposes. 10531c21fecSBen Goz * 10631c21fecSBen Goz */ 10731c21fecSBen Goz enum kfd_sched_policy { 10831c21fecSBen Goz KFD_SCHED_POLICY_HWS = 0, 10931c21fecSBen Goz KFD_SCHED_POLICY_HWS_NO_OVERSUBSCRIPTION, 11031c21fecSBen Goz KFD_SCHED_POLICY_NO_HWS 11131c21fecSBen Goz }; 11231c21fecSBen Goz 113ed6e6a34SBen Goz enum cache_policy { 114ed6e6a34SBen Goz cache_policy_coherent, 115ed6e6a34SBen Goz cache_policy_noncoherent 116ed6e6a34SBen Goz }; 117ed6e6a34SBen Goz 118f3a39818SAndrew Lewycky struct kfd_event_interrupt_class { 119f3a39818SAndrew Lewycky bool (*interrupt_isr)(struct kfd_dev *dev, 120f3a39818SAndrew Lewycky const uint32_t *ih_ring_entry); 121f3a39818SAndrew Lewycky void (*interrupt_wq)(struct kfd_dev *dev, 122f3a39818SAndrew Lewycky const uint32_t *ih_ring_entry); 123f3a39818SAndrew Lewycky }; 124f3a39818SAndrew Lewycky 1254a488a7aSOded Gabbay struct kfd_device_info { 126e596b903SYong Zhao enum amd_asic_type asic_family; 127f3a39818SAndrew Lewycky const struct kfd_event_interrupt_class *event_interrupt_class; 1284a488a7aSOded Gabbay unsigned int max_pasid_bits; 129992839adSYair Shachar unsigned int max_no_of_hqd; 1304a488a7aSOded Gabbay size_t ih_ring_entry_size; 131f7c826adSAlexey Skidanov uint8_t num_of_watch_points; 13219f6d2a6SOded Gabbay uint16_t mqd_size_aligned; 1334a488a7aSOded Gabbay }; 1344a488a7aSOded Gabbay 13536b5c08fSOded Gabbay struct kfd_mem_obj { 13636b5c08fSOded Gabbay uint32_t range_start; 13736b5c08fSOded Gabbay uint32_t range_end; 13836b5c08fSOded Gabbay uint64_t gpu_addr; 13936b5c08fSOded Gabbay uint32_t *cpu_ptr; 14036b5c08fSOded Gabbay }; 14136b5c08fSOded Gabbay 14244008d7aSYong Zhao struct kfd_vmid_info { 14344008d7aSYong Zhao uint32_t first_vmid_kfd; 14444008d7aSYong Zhao uint32_t last_vmid_kfd; 14544008d7aSYong Zhao uint32_t vmid_num_kfd; 14644008d7aSYong Zhao }; 14744008d7aSYong Zhao 1484a488a7aSOded Gabbay struct kfd_dev { 1494a488a7aSOded Gabbay struct kgd_dev *kgd; 1504a488a7aSOded Gabbay 1514a488a7aSOded Gabbay const struct kfd_device_info *device_info; 1524a488a7aSOded Gabbay struct pci_dev *pdev; 1534a488a7aSOded Gabbay 1544a488a7aSOded Gabbay unsigned int id; /* topology stub index */ 1554a488a7aSOded Gabbay 15619f6d2a6SOded Gabbay phys_addr_t doorbell_base; /* Start of actual doorbells used by 15719f6d2a6SOded Gabbay * KFD. It is aligned for mapping 15819f6d2a6SOded Gabbay * into user mode 15919f6d2a6SOded Gabbay */ 16019f6d2a6SOded Gabbay size_t doorbell_id_offset; /* Doorbell offset (from KFD doorbell 16119f6d2a6SOded Gabbay * to HW doorbell, GFX reserved some 16219f6d2a6SOded Gabbay * at the start) 16319f6d2a6SOded Gabbay */ 16419f6d2a6SOded Gabbay u32 __iomem *doorbell_kernel_ptr; /* This is a pointer for a doorbells 16519f6d2a6SOded Gabbay * page used by kernel queue 16619f6d2a6SOded Gabbay */ 16719f6d2a6SOded Gabbay 1684a488a7aSOded Gabbay struct kgd2kfd_shared_resources shared_resources; 16944008d7aSYong Zhao struct kfd_vmid_info vm_info; 1704a488a7aSOded Gabbay 171cea405b1SXihan Zhang const struct kfd2kgd_calls *kfd2kgd; 172cea405b1SXihan Zhang struct mutex doorbell_mutex; 173f761d8bdSJoe Perches DECLARE_BITMAP(doorbell_available_index, 174f761d8bdSJoe Perches KFD_MAX_NUM_OF_QUEUES_PER_PROCESS); 175cea405b1SXihan Zhang 17636b5c08fSOded Gabbay void *gtt_mem; 17736b5c08fSOded Gabbay uint64_t gtt_start_gpu_addr; 17836b5c08fSOded Gabbay void *gtt_start_cpu_ptr; 17936b5c08fSOded Gabbay void *gtt_sa_bitmap; 18036b5c08fSOded Gabbay struct mutex gtt_sa_lock; 18136b5c08fSOded Gabbay unsigned int gtt_sa_chunk_size; 18236b5c08fSOded Gabbay unsigned int gtt_sa_num_of_chunks; 18336b5c08fSOded Gabbay 1842249d558SAndrew Lewycky /* Interrupts */ 1852249d558SAndrew Lewycky void *interrupt_ring; 1862249d558SAndrew Lewycky size_t interrupt_ring_size; 1872249d558SAndrew Lewycky atomic_t interrupt_ring_rptr; 1882249d558SAndrew Lewycky atomic_t interrupt_ring_wptr; 1892249d558SAndrew Lewycky struct work_struct interrupt_work; 1902249d558SAndrew Lewycky spinlock_t interrupt_lock; 1912249d558SAndrew Lewycky 192ed6e6a34SBen Goz /* QCM Device instance */ 193ed6e6a34SBen Goz struct device_queue_manager *dqm; 1944a488a7aSOded Gabbay 195ed6e6a34SBen Goz bool init_complete; 1962249d558SAndrew Lewycky /* 1972249d558SAndrew Lewycky * Interrupts of interest to KFD are copied 1982249d558SAndrew Lewycky * from the HW ring into a SW ring. 1992249d558SAndrew Lewycky */ 2002249d558SAndrew Lewycky bool interrupts_active; 201fbeb661bSYair Shachar 202fbeb661bSYair Shachar /* Debug manager */ 203fbeb661bSYair Shachar struct kfd_dbgmgr *dbgmgr; 2044a488a7aSOded Gabbay }; 2054a488a7aSOded Gabbay 2064a488a7aSOded Gabbay /* KGD2KFD callbacks */ 2074a488a7aSOded Gabbay void kgd2kfd_exit(void); 208cea405b1SXihan Zhang struct kfd_dev *kgd2kfd_probe(struct kgd_dev *kgd, 209cea405b1SXihan Zhang struct pci_dev *pdev, const struct kfd2kgd_calls *f2g); 2104a488a7aSOded Gabbay bool kgd2kfd_device_init(struct kfd_dev *kfd, 2114a488a7aSOded Gabbay const struct kgd2kfd_shared_resources *gpu_resources); 2124a488a7aSOded Gabbay void kgd2kfd_device_exit(struct kfd_dev *kfd); 2134a488a7aSOded Gabbay 21419f6d2a6SOded Gabbay enum kfd_mempool { 21519f6d2a6SOded Gabbay KFD_MEMPOOL_SYSTEM_CACHEABLE = 1, 21619f6d2a6SOded Gabbay KFD_MEMPOOL_SYSTEM_WRITECOMBINE = 2, 21719f6d2a6SOded Gabbay KFD_MEMPOOL_FRAMEBUFFER = 3, 21819f6d2a6SOded Gabbay }; 21919f6d2a6SOded Gabbay 2204a488a7aSOded Gabbay /* Character device interface */ 2214a488a7aSOded Gabbay int kfd_chardev_init(void); 2224a488a7aSOded Gabbay void kfd_chardev_exit(void); 2234a488a7aSOded Gabbay struct device *kfd_chardev(void); 2244a488a7aSOded Gabbay 225241f24f8SBen Goz /** 2267da2bcf8SYong Zhao * enum kfd_unmap_queues_filter 227241f24f8SBen Goz * 2287da2bcf8SYong Zhao * @KFD_UNMAP_QUEUES_FILTER_SINGLE_QUEUE: Preempts single queue. 229241f24f8SBen Goz * 2307da2bcf8SYong Zhao * @KFD_UNMAP_QUEUES_FILTER_ALL_QUEUES: Preempts all queues in the 231241f24f8SBen Goz * running queues list. 232241f24f8SBen Goz * 2337da2bcf8SYong Zhao * @KFD_UNMAP_QUEUES_FILTER_BY_PASID: Preempts queues that belongs to 234241f24f8SBen Goz * specific process. 235241f24f8SBen Goz * 236241f24f8SBen Goz */ 2377da2bcf8SYong Zhao enum kfd_unmap_queues_filter { 2387da2bcf8SYong Zhao KFD_UNMAP_QUEUES_FILTER_SINGLE_QUEUE, 2397da2bcf8SYong Zhao KFD_UNMAP_QUEUES_FILTER_ALL_QUEUES, 2407da2bcf8SYong Zhao KFD_UNMAP_QUEUES_FILTER_DYNAMIC_QUEUES, 2417da2bcf8SYong Zhao KFD_UNMAP_QUEUES_FILTER_BY_PASID 242241f24f8SBen Goz }; 24319f6d2a6SOded Gabbay 244ed8aab45SBen Goz /** 245ed8aab45SBen Goz * enum kfd_queue_type 246ed8aab45SBen Goz * 247ed8aab45SBen Goz * @KFD_QUEUE_TYPE_COMPUTE: Regular user mode queue type. 248ed8aab45SBen Goz * 249ed8aab45SBen Goz * @KFD_QUEUE_TYPE_SDMA: Sdma user mode queue type. 250ed8aab45SBen Goz * 251ed8aab45SBen Goz * @KFD_QUEUE_TYPE_HIQ: HIQ queue type. 252ed8aab45SBen Goz * 253ed8aab45SBen Goz * @KFD_QUEUE_TYPE_DIQ: DIQ queue type. 254ed8aab45SBen Goz */ 255ed8aab45SBen Goz enum kfd_queue_type { 256ed8aab45SBen Goz KFD_QUEUE_TYPE_COMPUTE, 257ed8aab45SBen Goz KFD_QUEUE_TYPE_SDMA, 258ed8aab45SBen Goz KFD_QUEUE_TYPE_HIQ, 259ed8aab45SBen Goz KFD_QUEUE_TYPE_DIQ 260ed8aab45SBen Goz }; 261ed8aab45SBen Goz 2626e99df57SBen Goz enum kfd_queue_format { 2636e99df57SBen Goz KFD_QUEUE_FORMAT_PM4, 2646e99df57SBen Goz KFD_QUEUE_FORMAT_AQL 2656e99df57SBen Goz }; 2666e99df57SBen Goz 267ed8aab45SBen Goz /** 268ed8aab45SBen Goz * struct queue_properties 269ed8aab45SBen Goz * 270ed8aab45SBen Goz * @type: The queue type. 271ed8aab45SBen Goz * 272ed8aab45SBen Goz * @queue_id: Queue identifier. 273ed8aab45SBen Goz * 274ed8aab45SBen Goz * @queue_address: Queue ring buffer address. 275ed8aab45SBen Goz * 276ed8aab45SBen Goz * @queue_size: Queue ring buffer size. 277ed8aab45SBen Goz * 278ed8aab45SBen Goz * @priority: Defines the queue priority relative to other queues in the 279ed8aab45SBen Goz * process. 280ed8aab45SBen Goz * This is just an indication and HW scheduling may override the priority as 281ed8aab45SBen Goz * necessary while keeping the relative prioritization. 282ed8aab45SBen Goz * the priority granularity is from 0 to f which f is the highest priority. 283ed8aab45SBen Goz * currently all queues are initialized with the highest priority. 284ed8aab45SBen Goz * 285ed8aab45SBen Goz * @queue_percent: This field is partially implemented and currently a zero in 286ed8aab45SBen Goz * this field defines that the queue is non active. 287ed8aab45SBen Goz * 288ed8aab45SBen Goz * @read_ptr: User space address which points to the number of dwords the 289ed8aab45SBen Goz * cp read from the ring buffer. This field updates automatically by the H/W. 290ed8aab45SBen Goz * 291ed8aab45SBen Goz * @write_ptr: Defines the number of dwords written to the ring buffer. 292ed8aab45SBen Goz * 293ed8aab45SBen Goz * @doorbell_ptr: This field aim is to notify the H/W of new packet written to 2948eabaf54SKent Russell * the queue ring buffer. This field should be similar to write_ptr and the 2958eabaf54SKent Russell * user should update this field after he updated the write_ptr. 296ed8aab45SBen Goz * 297ed8aab45SBen Goz * @doorbell_off: The doorbell offset in the doorbell pci-bar. 298ed8aab45SBen Goz * 2998eabaf54SKent Russell * @is_interop: Defines if this is a interop queue. Interop queue means that 3008eabaf54SKent Russell * the queue can access both graphics and compute resources. 301ed8aab45SBen Goz * 302ed8aab45SBen Goz * @is_active: Defines if the queue is active or not. 303ed8aab45SBen Goz * 304ed8aab45SBen Goz * @vmid: If the scheduling mode is no cp scheduling the field defines the vmid 305ed8aab45SBen Goz * of the queue. 306ed8aab45SBen Goz * 307ed8aab45SBen Goz * This structure represents the queue properties for each queue no matter if 308ed8aab45SBen Goz * it's user mode or kernel mode queue. 309ed8aab45SBen Goz * 310ed8aab45SBen Goz */ 311ed8aab45SBen Goz struct queue_properties { 312ed8aab45SBen Goz enum kfd_queue_type type; 3136e99df57SBen Goz enum kfd_queue_format format; 314ed8aab45SBen Goz unsigned int queue_id; 315ed8aab45SBen Goz uint64_t queue_address; 316ed8aab45SBen Goz uint64_t queue_size; 317ed8aab45SBen Goz uint32_t priority; 318ed8aab45SBen Goz uint32_t queue_percent; 319ed8aab45SBen Goz uint32_t *read_ptr; 320ed8aab45SBen Goz uint32_t *write_ptr; 3215cd78de5SOded Gabbay uint32_t __iomem *doorbell_ptr; 322ed8aab45SBen Goz uint32_t doorbell_off; 323ed8aab45SBen Goz bool is_interop; 324ed8aab45SBen Goz bool is_active; 325ed8aab45SBen Goz /* Not relevant for user mode queues in cp scheduling */ 326ed8aab45SBen Goz unsigned int vmid; 32777669eb8SBen Goz /* Relevant only for sdma queues*/ 32877669eb8SBen Goz uint32_t sdma_engine_id; 32977669eb8SBen Goz uint32_t sdma_queue_id; 33077669eb8SBen Goz uint32_t sdma_vm_addr; 331ff3d04a1SBen Goz /* Relevant only for VI */ 332ff3d04a1SBen Goz uint64_t eop_ring_buffer_address; 333ff3d04a1SBen Goz uint32_t eop_ring_buffer_size; 334ff3d04a1SBen Goz uint64_t ctx_save_restore_area_address; 335ff3d04a1SBen Goz uint32_t ctx_save_restore_area_size; 336ed8aab45SBen Goz }; 337ed8aab45SBen Goz 338ed8aab45SBen Goz /** 339ed8aab45SBen Goz * struct queue 340ed8aab45SBen Goz * 341ed8aab45SBen Goz * @list: Queue linked list. 342ed8aab45SBen Goz * 343ed8aab45SBen Goz * @mqd: The queue MQD. 344ed8aab45SBen Goz * 345ed8aab45SBen Goz * @mqd_mem_obj: The MQD local gpu memory object. 346ed8aab45SBen Goz * 347ed8aab45SBen Goz * @gart_mqd_addr: The MQD gart mc address. 348ed8aab45SBen Goz * 349ed8aab45SBen Goz * @properties: The queue properties. 350ed8aab45SBen Goz * 351ed8aab45SBen Goz * @mec: Used only in no cp scheduling mode and identifies to micro engine id 352ed8aab45SBen Goz * that the queue should be execute on. 353ed8aab45SBen Goz * 3548eabaf54SKent Russell * @pipe: Used only in no cp scheduling mode and identifies the queue's pipe 3558eabaf54SKent Russell * id. 356ed8aab45SBen Goz * 357ed8aab45SBen Goz * @queue: Used only in no cp scheduliong mode and identifies the queue's slot. 358ed8aab45SBen Goz * 359ed8aab45SBen Goz * @process: The kfd process that created this queue. 360ed8aab45SBen Goz * 361ed8aab45SBen Goz * @device: The kfd device that created this queue. 362ed8aab45SBen Goz * 363ed8aab45SBen Goz * This structure represents user mode compute queues. 364ed8aab45SBen Goz * It contains all the necessary data to handle such queues. 365ed8aab45SBen Goz * 366ed8aab45SBen Goz */ 367ed8aab45SBen Goz 368ed8aab45SBen Goz struct queue { 369ed8aab45SBen Goz struct list_head list; 370ed8aab45SBen Goz void *mqd; 371ed8aab45SBen Goz struct kfd_mem_obj *mqd_mem_obj; 372ed8aab45SBen Goz uint64_t gart_mqd_addr; 373ed8aab45SBen Goz struct queue_properties properties; 374ed8aab45SBen Goz 375ed8aab45SBen Goz uint32_t mec; 376ed8aab45SBen Goz uint32_t pipe; 377ed8aab45SBen Goz uint32_t queue; 378ed8aab45SBen Goz 37977669eb8SBen Goz unsigned int sdma_id; 38077669eb8SBen Goz 381ed8aab45SBen Goz struct kfd_process *process; 382ed8aab45SBen Goz struct kfd_dev *device; 383ed8aab45SBen Goz }; 384ed8aab45SBen Goz 3856e99df57SBen Goz /* 3866e99df57SBen Goz * Please read the kfd_mqd_manager.h description. 3876e99df57SBen Goz */ 3886e99df57SBen Goz enum KFD_MQD_TYPE { 38985d258f9SBen Goz KFD_MQD_TYPE_COMPUTE = 0, /* for no cp scheduling */ 39085d258f9SBen Goz KFD_MQD_TYPE_HIQ, /* for hiq */ 39185d258f9SBen Goz KFD_MQD_TYPE_CP, /* for cp queues and diq */ 39285d258f9SBen Goz KFD_MQD_TYPE_SDMA, /* for sdma queues */ 3936e99df57SBen Goz KFD_MQD_TYPE_MAX 3946e99df57SBen Goz }; 3956e99df57SBen Goz 396241f24f8SBen Goz struct scheduling_resources { 397241f24f8SBen Goz unsigned int vmid_mask; 398241f24f8SBen Goz enum kfd_queue_type type; 399241f24f8SBen Goz uint64_t queue_mask; 400241f24f8SBen Goz uint64_t gws_mask; 401241f24f8SBen Goz uint32_t oac_mask; 402241f24f8SBen Goz uint32_t gds_heap_base; 403241f24f8SBen Goz uint32_t gds_heap_size; 404241f24f8SBen Goz }; 405241f24f8SBen Goz 406241f24f8SBen Goz struct process_queue_manager { 407241f24f8SBen Goz /* data */ 408241f24f8SBen Goz struct kfd_process *process; 409241f24f8SBen Goz struct list_head queues; 410241f24f8SBen Goz unsigned long *queue_slot_bitmap; 411241f24f8SBen Goz }; 412241f24f8SBen Goz 413241f24f8SBen Goz struct qcm_process_device { 414241f24f8SBen Goz /* The Device Queue Manager that owns this data */ 415241f24f8SBen Goz struct device_queue_manager *dqm; 416241f24f8SBen Goz struct process_queue_manager *pqm; 417241f24f8SBen Goz /* Queues list */ 418241f24f8SBen Goz struct list_head queues_list; 419241f24f8SBen Goz struct list_head priv_queue_list; 420241f24f8SBen Goz 421241f24f8SBen Goz unsigned int queue_count; 422241f24f8SBen Goz unsigned int vmid; 423241f24f8SBen Goz bool is_debug; 4249fd3f1bfSFelix Kuehling 4259fd3f1bfSFelix Kuehling /* This flag tells if we should reset all wavefronts on 4269fd3f1bfSFelix Kuehling * process termination 4279fd3f1bfSFelix Kuehling */ 4289fd3f1bfSFelix Kuehling bool reset_wavefronts; 4299fd3f1bfSFelix Kuehling 430241f24f8SBen Goz /* 431241f24f8SBen Goz * All the memory management data should be here too 432241f24f8SBen Goz */ 433241f24f8SBen Goz uint64_t gds_context_area; 434241f24f8SBen Goz uint32_t sh_mem_config; 435241f24f8SBen Goz uint32_t sh_mem_bases; 436241f24f8SBen Goz uint32_t sh_mem_ape1_base; 437241f24f8SBen Goz uint32_t sh_mem_ape1_limit; 438241f24f8SBen Goz uint32_t page_table_base; 439241f24f8SBen Goz uint32_t gds_size; 440241f24f8SBen Goz uint32_t num_gws; 441241f24f8SBen Goz uint32_t num_oac; 4426a1c9510SMoses Reuben uint32_t sh_hidden_private_base; 443241f24f8SBen Goz }; 444241f24f8SBen Goz 445733fa1f7SYong Zhao 446733fa1f7SYong Zhao enum kfd_pdd_bound { 447733fa1f7SYong Zhao PDD_UNBOUND = 0, 448733fa1f7SYong Zhao PDD_BOUND, 449733fa1f7SYong Zhao PDD_BOUND_SUSPENDED, 450733fa1f7SYong Zhao }; 451733fa1f7SYong Zhao 45219f6d2a6SOded Gabbay /* Data that is per-process-per device. */ 45319f6d2a6SOded Gabbay struct kfd_process_device { 45419f6d2a6SOded Gabbay /* 45519f6d2a6SOded Gabbay * List of all per-device data for a process. 45619f6d2a6SOded Gabbay * Starts from kfd_process.per_device_data. 45719f6d2a6SOded Gabbay */ 45819f6d2a6SOded Gabbay struct list_head per_device_list; 45919f6d2a6SOded Gabbay 46019f6d2a6SOded Gabbay /* The device that owns this data. */ 46119f6d2a6SOded Gabbay struct kfd_dev *dev; 46219f6d2a6SOded Gabbay 4639fd3f1bfSFelix Kuehling /* The process that owns this kfd_process_device. */ 4649fd3f1bfSFelix Kuehling struct kfd_process *process; 46519f6d2a6SOded Gabbay 46645102048SBen Goz /* per-process-per device QCM data structure */ 46745102048SBen Goz struct qcm_process_device qpd; 46845102048SBen Goz 46919f6d2a6SOded Gabbay /*Apertures*/ 47019f6d2a6SOded Gabbay uint64_t lds_base; 47119f6d2a6SOded Gabbay uint64_t lds_limit; 47219f6d2a6SOded Gabbay uint64_t gpuvm_base; 47319f6d2a6SOded Gabbay uint64_t gpuvm_limit; 47419f6d2a6SOded Gabbay uint64_t scratch_base; 47519f6d2a6SOded Gabbay uint64_t scratch_limit; 47619f6d2a6SOded Gabbay 47719f6d2a6SOded Gabbay /* Is this process/pasid bound to this device? (amd_iommu_bind_pasid) */ 478733fa1f7SYong Zhao enum kfd_pdd_bound bound; 479a82918f1SBen Goz 4809fd3f1bfSFelix Kuehling /* Flag used to tell the pdd has dequeued from the dqm. 4819fd3f1bfSFelix Kuehling * This is used to prevent dev->dqm->ops.process_termination() from 4829fd3f1bfSFelix Kuehling * being called twice when it is already called in IOMMU callback 4839fd3f1bfSFelix Kuehling * function. 484a82918f1SBen Goz */ 4859fd3f1bfSFelix Kuehling bool already_dequeued; 48619f6d2a6SOded Gabbay }; 48719f6d2a6SOded Gabbay 48852a5fdceSAlexey Skidanov #define qpd_to_pdd(x) container_of(x, struct kfd_process_device, qpd) 48952a5fdceSAlexey Skidanov 4904a488a7aSOded Gabbay /* Process data */ 4914a488a7aSOded Gabbay struct kfd_process { 49219f6d2a6SOded Gabbay /* 49319f6d2a6SOded Gabbay * kfd_process are stored in an mm_struct*->kfd_process* 49419f6d2a6SOded Gabbay * hash table (kfd_processes in kfd_process.c) 49519f6d2a6SOded Gabbay */ 49619f6d2a6SOded Gabbay struct hlist_node kfd_processes; 49719f6d2a6SOded Gabbay 4989b56bb11SFelix Kuehling /* 4999b56bb11SFelix Kuehling * Opaque pointer to mm_struct. We don't hold a reference to 5009b56bb11SFelix Kuehling * it so it should never be dereferenced from here. This is 5019b56bb11SFelix Kuehling * only used for looking up processes by their mm. 5029b56bb11SFelix Kuehling */ 5039b56bb11SFelix Kuehling void *mm; 50419f6d2a6SOded Gabbay 50519f6d2a6SOded Gabbay struct mutex mutex; 50619f6d2a6SOded Gabbay 50719f6d2a6SOded Gabbay /* 50819f6d2a6SOded Gabbay * In any process, the thread that started main() is the lead 50919f6d2a6SOded Gabbay * thread and outlives the rest. 51019f6d2a6SOded Gabbay * It is here because amd_iommu_bind_pasid wants a task_struct. 51119f6d2a6SOded Gabbay */ 51219f6d2a6SOded Gabbay struct task_struct *lead_thread; 51319f6d2a6SOded Gabbay 51419f6d2a6SOded Gabbay /* We want to receive a notification when the mm_struct is destroyed */ 51519f6d2a6SOded Gabbay struct mmu_notifier mmu_notifier; 51619f6d2a6SOded Gabbay 51719f6d2a6SOded Gabbay /* Use for delayed freeing of kfd_process structure */ 51819f6d2a6SOded Gabbay struct rcu_head rcu; 51919f6d2a6SOded Gabbay 52019f6d2a6SOded Gabbay unsigned int pasid; 521a91e70e3SFelix Kuehling unsigned int doorbell_index; 52219f6d2a6SOded Gabbay 52319f6d2a6SOded Gabbay /* 52419f6d2a6SOded Gabbay * List of kfd_process_device structures, 52519f6d2a6SOded Gabbay * one for each device the process is using. 52619f6d2a6SOded Gabbay */ 52719f6d2a6SOded Gabbay struct list_head per_device_data; 52819f6d2a6SOded Gabbay 52945102048SBen Goz struct process_queue_manager pqm; 53045102048SBen Goz 53119f6d2a6SOded Gabbay /* The process's queues. */ 53219f6d2a6SOded Gabbay size_t queue_array_size; 53319f6d2a6SOded Gabbay 53419f6d2a6SOded Gabbay /* Size is queue_array_size, up to MAX_PROCESS_QUEUES. */ 53519f6d2a6SOded Gabbay struct kfd_queue **queues; 53619f6d2a6SOded Gabbay 53719f6d2a6SOded Gabbay /*Is the user space process 32 bit?*/ 53819f6d2a6SOded Gabbay bool is_32bit_user_mode; 539f3a39818SAndrew Lewycky 540f3a39818SAndrew Lewycky /* Event-related data */ 541f3a39818SAndrew Lewycky struct mutex event_mutex; 542482f0777SFelix Kuehling /* Event ID allocator and lookup */ 543482f0777SFelix Kuehling struct idr event_idr; 54450cb7dd9SFelix Kuehling /* Event page */ 54550cb7dd9SFelix Kuehling struct kfd_signal_page *signal_page; 546f3a39818SAndrew Lewycky size_t signal_event_count; 547c986169fSFelix Kuehling bool signal_event_limit_reached; 5484a488a7aSOded Gabbay }; 5494a488a7aSOded Gabbay 55076baee6cSOded Gabbay /** 55176baee6cSOded Gabbay * Ioctl function type. 55276baee6cSOded Gabbay * 55376baee6cSOded Gabbay * \param filep pointer to file structure. 55476baee6cSOded Gabbay * \param p amdkfd process pointer. 55576baee6cSOded Gabbay * \param data pointer to arg that was copied from user. 55676baee6cSOded Gabbay */ 55776baee6cSOded Gabbay typedef int amdkfd_ioctl_t(struct file *filep, struct kfd_process *p, 55876baee6cSOded Gabbay void *data); 55976baee6cSOded Gabbay 56076baee6cSOded Gabbay struct amdkfd_ioctl_desc { 56176baee6cSOded Gabbay unsigned int cmd; 56276baee6cSOded Gabbay int flags; 56376baee6cSOded Gabbay amdkfd_ioctl_t *func; 56476baee6cSOded Gabbay unsigned int cmd_drv; 56576baee6cSOded Gabbay const char *name; 56676baee6cSOded Gabbay }; 56776baee6cSOded Gabbay 56819f6d2a6SOded Gabbay void kfd_process_create_wq(void); 56919f6d2a6SOded Gabbay void kfd_process_destroy_wq(void); 57019f6d2a6SOded Gabbay struct kfd_process *kfd_create_process(const struct task_struct *); 57119f6d2a6SOded Gabbay struct kfd_process *kfd_get_process(const struct task_struct *); 572f3a39818SAndrew Lewycky struct kfd_process *kfd_lookup_process_by_pasid(unsigned int pasid); 57319f6d2a6SOded Gabbay 57464c7f8cfSBen Goz struct kfd_process_device *kfd_bind_process_to_device(struct kfd_dev *dev, 57564c7f8cfSBen Goz struct kfd_process *p); 576733fa1f7SYong Zhao int kfd_bind_processes_to_device(struct kfd_dev *dev); 577733fa1f7SYong Zhao void kfd_unbind_processes_from_device(struct kfd_dev *dev); 578733fa1f7SYong Zhao void kfd_process_iommu_unbind_callback(struct kfd_dev *dev, unsigned int pasid); 57919f6d2a6SOded Gabbay struct kfd_process_device *kfd_get_process_device_data(struct kfd_dev *dev, 580093c7d8cSAlexey Skidanov struct kfd_process *p); 581093c7d8cSAlexey Skidanov struct kfd_process_device *kfd_create_process_device_data(struct kfd_dev *dev, 582093c7d8cSAlexey Skidanov struct kfd_process *p); 58319f6d2a6SOded Gabbay 584775921edSAlexey Skidanov /* Process device data iterator */ 5858eabaf54SKent Russell struct kfd_process_device *kfd_get_first_process_device_data( 5868eabaf54SKent Russell struct kfd_process *p); 5878eabaf54SKent Russell struct kfd_process_device *kfd_get_next_process_device_data( 5888eabaf54SKent Russell struct kfd_process *p, 589775921edSAlexey Skidanov struct kfd_process_device *pdd); 590775921edSAlexey Skidanov bool kfd_has_process_device_data(struct kfd_process *p); 591775921edSAlexey Skidanov 59219f6d2a6SOded Gabbay /* PASIDs */ 59319f6d2a6SOded Gabbay int kfd_pasid_init(void); 59419f6d2a6SOded Gabbay void kfd_pasid_exit(void); 59519f6d2a6SOded Gabbay bool kfd_set_pasid_limit(unsigned int new_limit); 59619f6d2a6SOded Gabbay unsigned int kfd_get_pasid_limit(void); 59719f6d2a6SOded Gabbay unsigned int kfd_pasid_alloc(void); 59819f6d2a6SOded Gabbay void kfd_pasid_free(unsigned int pasid); 59919f6d2a6SOded Gabbay 60019f6d2a6SOded Gabbay /* Doorbells */ 601735df2baSFelix Kuehling int kfd_doorbell_init(struct kfd_dev *kfd); 602735df2baSFelix Kuehling void kfd_doorbell_fini(struct kfd_dev *kfd); 60319f6d2a6SOded Gabbay int kfd_doorbell_mmap(struct kfd_process *process, struct vm_area_struct *vma); 60419f6d2a6SOded Gabbay u32 __iomem *kfd_get_kernel_doorbell(struct kfd_dev *kfd, 60519f6d2a6SOded Gabbay unsigned int *doorbell_off); 60619f6d2a6SOded Gabbay void kfd_release_kernel_doorbell(struct kfd_dev *kfd, u32 __iomem *db_addr); 60719f6d2a6SOded Gabbay u32 read_kernel_doorbell(u32 __iomem *db); 60819f6d2a6SOded Gabbay void write_kernel_doorbell(u32 __iomem *db, u32 value); 60919f6d2a6SOded Gabbay unsigned int kfd_queue_id_to_doorbell(struct kfd_dev *kfd, 61019f6d2a6SOded Gabbay struct kfd_process *process, 61119f6d2a6SOded Gabbay unsigned int queue_id); 612a91e70e3SFelix Kuehling phys_addr_t kfd_get_process_doorbells(struct kfd_dev *dev, 613a91e70e3SFelix Kuehling struct kfd_process *process); 614a91e70e3SFelix Kuehling int kfd_alloc_process_doorbells(struct kfd_process *process); 615a91e70e3SFelix Kuehling void kfd_free_process_doorbells(struct kfd_process *process); 61619f6d2a6SOded Gabbay 6176e81090bSOded Gabbay /* GTT Sub-Allocator */ 6186e81090bSOded Gabbay 6196e81090bSOded Gabbay int kfd_gtt_sa_allocate(struct kfd_dev *kfd, unsigned int size, 6206e81090bSOded Gabbay struct kfd_mem_obj **mem_obj); 6216e81090bSOded Gabbay 6226e81090bSOded Gabbay int kfd_gtt_sa_free(struct kfd_dev *kfd, struct kfd_mem_obj *mem_obj); 6236e81090bSOded Gabbay 6244a488a7aSOded Gabbay extern struct device *kfd_device; 6254a488a7aSOded Gabbay 6265b5c4e40SEvgeny Pinchuk /* Topology */ 6275b5c4e40SEvgeny Pinchuk int kfd_topology_init(void); 6285b5c4e40SEvgeny Pinchuk void kfd_topology_shutdown(void); 6295b5c4e40SEvgeny Pinchuk int kfd_topology_add_device(struct kfd_dev *gpu); 6305b5c4e40SEvgeny Pinchuk int kfd_topology_remove_device(struct kfd_dev *gpu); 6315b5c4e40SEvgeny Pinchuk struct kfd_dev *kfd_device_by_id(uint32_t gpu_id); 6325b5c4e40SEvgeny Pinchuk struct kfd_dev *kfd_device_by_pci_dev(const struct pci_dev *pdev); 6335b5c4e40SEvgeny Pinchuk struct kfd_dev *kfd_topology_enum_kfd_devices(uint8_t idx); 6345b5c4e40SEvgeny Pinchuk 6354a488a7aSOded Gabbay /* Interrupts */ 6362249d558SAndrew Lewycky int kfd_interrupt_init(struct kfd_dev *dev); 6372249d558SAndrew Lewycky void kfd_interrupt_exit(struct kfd_dev *dev); 638b3f5e6b4SAndrew Lewycky void kgd2kfd_interrupt(struct kfd_dev *kfd, const void *ih_ring_entry); 6392249d558SAndrew Lewycky bool enqueue_ih_ring_entry(struct kfd_dev *kfd, const void *ih_ring_entry); 6402249d558SAndrew Lewycky bool interrupt_is_wanted(struct kfd_dev *dev, const uint32_t *ih_ring_entry); 6414a488a7aSOded Gabbay 6424a488a7aSOded Gabbay /* Power Management */ 643b3f5e6b4SAndrew Lewycky void kgd2kfd_suspend(struct kfd_dev *kfd); 644b3f5e6b4SAndrew Lewycky int kgd2kfd_resume(struct kfd_dev *kfd); 6454a488a7aSOded Gabbay 64619f6d2a6SOded Gabbay /* amdkfd Apertures */ 64719f6d2a6SOded Gabbay int kfd_init_apertures(struct kfd_process *process); 64819f6d2a6SOded Gabbay 649ed6e6a34SBen Goz /* Queue Context Management */ 65077669eb8SBen Goz struct cik_sdma_rlc_registers *get_sdma_mqd(void *mqd); 651241f24f8SBen Goz 652e88a614cSEdward O'Callaghan int init_queue(struct queue **q, const struct queue_properties *properties); 653ed6e6a34SBen Goz void uninit_queue(struct queue *q); 65445102048SBen Goz void print_queue_properties(struct queue_properties *q); 655ed6e6a34SBen Goz void print_queue(struct queue *q); 656ed6e6a34SBen Goz 65764c7f8cfSBen Goz struct mqd_manager *mqd_manager_init(enum KFD_MQD_TYPE type, 65864c7f8cfSBen Goz struct kfd_dev *dev); 6594b8f589bSBen Goz struct mqd_manager *mqd_manager_init_cik(enum KFD_MQD_TYPE type, 6604b8f589bSBen Goz struct kfd_dev *dev); 6614b8f589bSBen Goz struct mqd_manager *mqd_manager_init_vi(enum KFD_MQD_TYPE type, 6624b8f589bSBen Goz struct kfd_dev *dev); 66364c7f8cfSBen Goz struct device_queue_manager *device_queue_manager_init(struct kfd_dev *dev); 66464c7f8cfSBen Goz void device_queue_manager_uninit(struct device_queue_manager *dqm); 665241f24f8SBen Goz struct kernel_queue *kernel_queue_init(struct kfd_dev *dev, 666241f24f8SBen Goz enum kfd_queue_type type); 667241f24f8SBen Goz void kernel_queue_uninit(struct kernel_queue *kq); 668241f24f8SBen Goz 66945102048SBen Goz /* Process Queue Manager */ 67045102048SBen Goz struct process_queue_node { 67145102048SBen Goz struct queue *q; 67245102048SBen Goz struct kernel_queue *kq; 67345102048SBen Goz struct list_head process_queue_list; 67445102048SBen Goz }; 67545102048SBen Goz 6769fd3f1bfSFelix Kuehling void kfd_process_dequeue_from_device(struct kfd_process_device *pdd); 6779fd3f1bfSFelix Kuehling void kfd_process_dequeue_from_all_devices(struct kfd_process *p); 67845102048SBen Goz int pqm_init(struct process_queue_manager *pqm, struct kfd_process *p); 67945102048SBen Goz void pqm_uninit(struct process_queue_manager *pqm); 68045102048SBen Goz int pqm_create_queue(struct process_queue_manager *pqm, 68145102048SBen Goz struct kfd_dev *dev, 68245102048SBen Goz struct file *f, 68345102048SBen Goz struct queue_properties *properties, 68445102048SBen Goz unsigned int *qid); 68545102048SBen Goz int pqm_destroy_queue(struct process_queue_manager *pqm, unsigned int qid); 68645102048SBen Goz int pqm_update_queue(struct process_queue_manager *pqm, unsigned int qid, 68745102048SBen Goz struct queue_properties *p); 688fbeb661bSYair Shachar struct kernel_queue *pqm_get_kernel_queue(struct process_queue_manager *pqm, 689fbeb661bSYair Shachar unsigned int qid); 69045102048SBen Goz 691788bf83dSYair Shachar int amdkfd_fence_wait_timeout(unsigned int *fence_addr, 692788bf83dSYair Shachar unsigned int fence_value, 6938c72c3d7SYong Zhao unsigned int timeout_ms); 694788bf83dSYair Shachar 695ed6e6a34SBen Goz /* Packet Manager */ 696ed6e6a34SBen Goz 69764c7f8cfSBen Goz #define KFD_FENCE_COMPLETED (100) 69864c7f8cfSBen Goz #define KFD_FENCE_INIT (10) 699241f24f8SBen Goz 700ed6e6a34SBen Goz struct packet_manager { 701ed6e6a34SBen Goz struct device_queue_manager *dqm; 702ed6e6a34SBen Goz struct kernel_queue *priv_queue; 703ed6e6a34SBen Goz struct mutex lock; 704ed6e6a34SBen Goz bool allocated; 705ed6e6a34SBen Goz struct kfd_mem_obj *ib_buffer_obj; 706ed6e6a34SBen Goz }; 707ed6e6a34SBen Goz 70864c7f8cfSBen Goz int pm_init(struct packet_manager *pm, struct device_queue_manager *dqm); 70964c7f8cfSBen Goz void pm_uninit(struct packet_manager *pm); 71064c7f8cfSBen Goz int pm_send_set_resources(struct packet_manager *pm, 71164c7f8cfSBen Goz struct scheduling_resources *res); 71264c7f8cfSBen Goz int pm_send_runlist(struct packet_manager *pm, struct list_head *dqm_queues); 71364c7f8cfSBen Goz int pm_send_query_status(struct packet_manager *pm, uint64_t fence_address, 71464c7f8cfSBen Goz uint32_t fence_value); 71564c7f8cfSBen Goz 71664c7f8cfSBen Goz int pm_send_unmap_queue(struct packet_manager *pm, enum kfd_queue_type type, 7177da2bcf8SYong Zhao enum kfd_unmap_queues_filter mode, 71864c7f8cfSBen Goz uint32_t filter_param, bool reset, 71964c7f8cfSBen Goz unsigned int sdma_engine); 72064c7f8cfSBen Goz 721241f24f8SBen Goz void pm_release_ib(struct packet_manager *pm); 722241f24f8SBen Goz 72319f6d2a6SOded Gabbay uint64_t kfd_get_number_elems(struct kfd_dev *kfd); 72419f6d2a6SOded Gabbay 725f3a39818SAndrew Lewycky /* Events */ 726f3a39818SAndrew Lewycky extern const struct kfd_event_interrupt_class event_interrupt_class_cik; 727930c5ff4SAlexey Skidanov extern const struct kfd_device_global_init_class device_global_init_class_cik; 728f3a39818SAndrew Lewycky 729f3a39818SAndrew Lewycky void kfd_event_init_process(struct kfd_process *p); 730f3a39818SAndrew Lewycky void kfd_event_free_process(struct kfd_process *p); 731f3a39818SAndrew Lewycky int kfd_event_mmap(struct kfd_process *process, struct vm_area_struct *vma); 732f3a39818SAndrew Lewycky int kfd_wait_on_events(struct kfd_process *p, 73359d3e8beSAlexey Skidanov uint32_t num_events, void __user *data, 734f3a39818SAndrew Lewycky bool all, uint32_t user_timeout_ms, 735fdf0c833SFelix Kuehling uint32_t *wait_result); 736f3a39818SAndrew Lewycky void kfd_signal_event_interrupt(unsigned int pasid, uint32_t partial_id, 737f3a39818SAndrew Lewycky uint32_t valid_id_bits); 73859d3e8beSAlexey Skidanov void kfd_signal_iommu_event(struct kfd_dev *dev, 73959d3e8beSAlexey Skidanov unsigned int pasid, unsigned long address, 74059d3e8beSAlexey Skidanov bool is_write_requested, bool is_execute_requested); 741930c5ff4SAlexey Skidanov void kfd_signal_hw_exception_event(unsigned int pasid); 742f3a39818SAndrew Lewycky int kfd_set_event(struct kfd_process *p, uint32_t event_id); 743f3a39818SAndrew Lewycky int kfd_reset_event(struct kfd_process *p, uint32_t event_id); 744f3a39818SAndrew Lewycky int kfd_event_create(struct file *devkfd, struct kfd_process *p, 745f3a39818SAndrew Lewycky uint32_t event_type, bool auto_reset, uint32_t node_id, 746f3a39818SAndrew Lewycky uint32_t *event_id, uint32_t *event_trigger_data, 747f3a39818SAndrew Lewycky uint64_t *event_page_offset, uint32_t *event_slot_index); 748f3a39818SAndrew Lewycky int kfd_event_destroy(struct kfd_process *p, uint32_t event_id); 749f3a39818SAndrew Lewycky 750c3447e81SBen Goz int dbgdev_wave_reset_wavefronts(struct kfd_dev *dev, struct kfd_process *p); 751c3447e81SBen Goz 7524a488a7aSOded Gabbay #endif 753