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> 344a488a7aSOded Gabbay #include <kgd_kfd_interface.h> 354a488a7aSOded Gabbay 36e596b903SYong Zhao #include "amd_shared.h" 37e596b903SYong Zhao 385b5c4e40SEvgeny Pinchuk #define KFD_SYSFS_FILE_MODE 0444 395b5c4e40SEvgeny Pinchuk 40f3a39818SAndrew Lewycky #define KFD_MMAP_DOORBELL_MASK 0x8000000000000 41f3a39818SAndrew Lewycky #define KFD_MMAP_EVENTS_MASK 0x4000000000000 42f3a39818SAndrew Lewycky 43ed6e6a34SBen Goz /* 44ed6e6a34SBen Goz * When working with cp scheduler we should assign the HIQ manually or via 45ed6e6a34SBen Goz * the radeon driver to a fixed hqd slot, here are the fixed HIQ hqd slot 46ed6e6a34SBen Goz * definitions for Kaveri. In Kaveri only the first ME queues participates 47ed6e6a34SBen Goz * in the cp scheduling taking that in mind we set the HIQ slot in the 48ed6e6a34SBen Goz * second ME. 49ed6e6a34SBen Goz */ 50ed6e6a34SBen Goz #define KFD_CIK_HIQ_PIPE 4 51ed6e6a34SBen Goz #define KFD_CIK_HIQ_QUEUE 0 52ed6e6a34SBen Goz 535b5c4e40SEvgeny Pinchuk /* GPU ID hash width in bits */ 545b5c4e40SEvgeny Pinchuk #define KFD_GPU_ID_HASH_WIDTH 16 555b5c4e40SEvgeny Pinchuk 565b5c4e40SEvgeny Pinchuk /* Macro for allocating structures */ 575b5c4e40SEvgeny Pinchuk #define kfd_alloc_struct(ptr_to_struct) \ 585b5c4e40SEvgeny Pinchuk ((typeof(ptr_to_struct)) kzalloc(sizeof(*ptr_to_struct), GFP_KERNEL)) 595b5c4e40SEvgeny Pinchuk 6019f6d2a6SOded Gabbay #define KFD_MAX_NUM_OF_PROCESSES 512 61b8cbab04SOded Gabbay #define KFD_MAX_NUM_OF_QUEUES_PER_PROCESS 1024 6219f6d2a6SOded Gabbay 6319f6d2a6SOded Gabbay /* 64b8cbab04SOded Gabbay * Kernel module parameter to specify maximum number of supported queues per 65b8cbab04SOded Gabbay * device 6619f6d2a6SOded Gabbay */ 67b8cbab04SOded Gabbay extern int max_num_of_queues_per_device; 6819f6d2a6SOded Gabbay 69b8cbab04SOded Gabbay #define KFD_MAX_NUM_OF_QUEUES_PER_DEVICE_DEFAULT 4096 70b8cbab04SOded Gabbay #define KFD_MAX_NUM_OF_QUEUES_PER_DEVICE \ 71b8cbab04SOded Gabbay (KFD_MAX_NUM_OF_PROCESSES * \ 72b8cbab04SOded Gabbay KFD_MAX_NUM_OF_QUEUES_PER_PROCESS) 7319f6d2a6SOded Gabbay 74ed6e6a34SBen Goz #define KFD_KERNEL_QUEUE_SIZE 2048 75ed6e6a34SBen Goz 7631c21fecSBen Goz /* Kernel module parameter to specify the scheduling policy */ 7731c21fecSBen Goz extern int sched_policy; 7831c21fecSBen Goz 7981663016SOded Gabbay /* 8081663016SOded Gabbay * Kernel module parameter to specify whether to send sigterm to HSA process on 8181663016SOded Gabbay * unhandled exception 8281663016SOded Gabbay */ 8381663016SOded Gabbay extern int send_sigterm; 8481663016SOded Gabbay 8531c21fecSBen Goz /** 8631c21fecSBen Goz * enum kfd_sched_policy 8731c21fecSBen Goz * 8831c21fecSBen Goz * @KFD_SCHED_POLICY_HWS: H/W scheduling policy known as command processor (cp) 8931c21fecSBen Goz * scheduling. In this scheduling mode we're using the firmware code to 9031c21fecSBen Goz * schedule the user mode queues and kernel queues such as HIQ and DIQ. 9131c21fecSBen Goz * the HIQ queue is used as a special queue that dispatches the configuration 9231c21fecSBen Goz * to the cp and the user mode queues list that are currently running. 9331c21fecSBen Goz * the DIQ queue is a debugging queue that dispatches debugging commands to the 9431c21fecSBen Goz * firmware. 9531c21fecSBen Goz * in this scheduling mode user mode queues over subscription feature is 9631c21fecSBen Goz * enabled. 9731c21fecSBen Goz * 9831c21fecSBen Goz * @KFD_SCHED_POLICY_HWS_NO_OVERSUBSCRIPTION: The same as above but the over 9931c21fecSBen Goz * subscription feature disabled. 10031c21fecSBen Goz * 10131c21fecSBen Goz * @KFD_SCHED_POLICY_NO_HWS: no H/W scheduling policy is a mode which directly 10231c21fecSBen Goz * set the command processor registers and sets the queues "manually". This 10331c21fecSBen Goz * mode is used *ONLY* for debugging proposes. 10431c21fecSBen Goz * 10531c21fecSBen Goz */ 10631c21fecSBen Goz enum kfd_sched_policy { 10731c21fecSBen Goz KFD_SCHED_POLICY_HWS = 0, 10831c21fecSBen Goz KFD_SCHED_POLICY_HWS_NO_OVERSUBSCRIPTION, 10931c21fecSBen Goz KFD_SCHED_POLICY_NO_HWS 11031c21fecSBen Goz }; 11131c21fecSBen Goz 112ed6e6a34SBen Goz enum cache_policy { 113ed6e6a34SBen Goz cache_policy_coherent, 114ed6e6a34SBen Goz cache_policy_noncoherent 115ed6e6a34SBen Goz }; 116ed6e6a34SBen Goz 117f3a39818SAndrew Lewycky struct kfd_event_interrupt_class { 118f3a39818SAndrew Lewycky bool (*interrupt_isr)(struct kfd_dev *dev, 119f3a39818SAndrew Lewycky const uint32_t *ih_ring_entry); 120f3a39818SAndrew Lewycky void (*interrupt_wq)(struct kfd_dev *dev, 121f3a39818SAndrew Lewycky const uint32_t *ih_ring_entry); 122f3a39818SAndrew Lewycky }; 123f3a39818SAndrew Lewycky 1244a488a7aSOded Gabbay struct kfd_device_info { 125e596b903SYong Zhao enum amd_asic_type asic_family; 126f3a39818SAndrew Lewycky const struct kfd_event_interrupt_class *event_interrupt_class; 1274a488a7aSOded Gabbay unsigned int max_pasid_bits; 128992839adSYair Shachar unsigned int max_no_of_hqd; 1294a488a7aSOded Gabbay size_t ih_ring_entry_size; 130f7c826adSAlexey Skidanov uint8_t num_of_watch_points; 13119f6d2a6SOded Gabbay uint16_t mqd_size_aligned; 1324a488a7aSOded Gabbay }; 1334a488a7aSOded Gabbay 13436b5c08fSOded Gabbay struct kfd_mem_obj { 13536b5c08fSOded Gabbay uint32_t range_start; 13636b5c08fSOded Gabbay uint32_t range_end; 13736b5c08fSOded Gabbay uint64_t gpu_addr; 13836b5c08fSOded Gabbay uint32_t *cpu_ptr; 13936b5c08fSOded Gabbay }; 14036b5c08fSOded Gabbay 14144008d7aSYong Zhao struct kfd_vmid_info { 14244008d7aSYong Zhao uint32_t first_vmid_kfd; 14344008d7aSYong Zhao uint32_t last_vmid_kfd; 14444008d7aSYong Zhao uint32_t vmid_num_kfd; 14544008d7aSYong Zhao }; 14644008d7aSYong Zhao 1474a488a7aSOded Gabbay struct kfd_dev { 1484a488a7aSOded Gabbay struct kgd_dev *kgd; 1494a488a7aSOded Gabbay 1504a488a7aSOded Gabbay const struct kfd_device_info *device_info; 1514a488a7aSOded Gabbay struct pci_dev *pdev; 1524a488a7aSOded Gabbay 1534a488a7aSOded Gabbay unsigned int id; /* topology stub index */ 1544a488a7aSOded Gabbay 15519f6d2a6SOded Gabbay phys_addr_t doorbell_base; /* Start of actual doorbells used by 15619f6d2a6SOded Gabbay * KFD. It is aligned for mapping 15719f6d2a6SOded Gabbay * into user mode 15819f6d2a6SOded Gabbay */ 15919f6d2a6SOded Gabbay size_t doorbell_id_offset; /* Doorbell offset (from KFD doorbell 16019f6d2a6SOded Gabbay * to HW doorbell, GFX reserved some 16119f6d2a6SOded Gabbay * at the start) 16219f6d2a6SOded Gabbay */ 16319f6d2a6SOded Gabbay u32 __iomem *doorbell_kernel_ptr; /* This is a pointer for a doorbells 16419f6d2a6SOded Gabbay * page used by kernel queue 16519f6d2a6SOded Gabbay */ 16619f6d2a6SOded Gabbay 1674a488a7aSOded Gabbay struct kgd2kfd_shared_resources shared_resources; 16844008d7aSYong Zhao struct kfd_vmid_info vm_info; 1694a488a7aSOded Gabbay 170cea405b1SXihan Zhang const struct kfd2kgd_calls *kfd2kgd; 171cea405b1SXihan Zhang struct mutex doorbell_mutex; 172f761d8bdSJoe Perches DECLARE_BITMAP(doorbell_available_index, 173f761d8bdSJoe Perches KFD_MAX_NUM_OF_QUEUES_PER_PROCESS); 174cea405b1SXihan Zhang 17536b5c08fSOded Gabbay void *gtt_mem; 17636b5c08fSOded Gabbay uint64_t gtt_start_gpu_addr; 17736b5c08fSOded Gabbay void *gtt_start_cpu_ptr; 17836b5c08fSOded Gabbay void *gtt_sa_bitmap; 17936b5c08fSOded Gabbay struct mutex gtt_sa_lock; 18036b5c08fSOded Gabbay unsigned int gtt_sa_chunk_size; 18136b5c08fSOded Gabbay unsigned int gtt_sa_num_of_chunks; 18236b5c08fSOded Gabbay 1832249d558SAndrew Lewycky /* Interrupts */ 1842249d558SAndrew Lewycky void *interrupt_ring; 1852249d558SAndrew Lewycky size_t interrupt_ring_size; 1862249d558SAndrew Lewycky atomic_t interrupt_ring_rptr; 1872249d558SAndrew Lewycky atomic_t interrupt_ring_wptr; 1882249d558SAndrew Lewycky struct work_struct interrupt_work; 1892249d558SAndrew Lewycky spinlock_t interrupt_lock; 1902249d558SAndrew Lewycky 191ed6e6a34SBen Goz /* QCM Device instance */ 192ed6e6a34SBen Goz struct device_queue_manager *dqm; 1934a488a7aSOded Gabbay 194ed6e6a34SBen Goz bool init_complete; 1952249d558SAndrew Lewycky /* 1962249d558SAndrew Lewycky * Interrupts of interest to KFD are copied 1972249d558SAndrew Lewycky * from the HW ring into a SW ring. 1982249d558SAndrew Lewycky */ 1992249d558SAndrew Lewycky bool interrupts_active; 200fbeb661bSYair Shachar 201fbeb661bSYair Shachar /* Debug manager */ 202fbeb661bSYair Shachar struct kfd_dbgmgr *dbgmgr; 2034a488a7aSOded Gabbay }; 2044a488a7aSOded Gabbay 2054a488a7aSOded Gabbay /* KGD2KFD callbacks */ 2064a488a7aSOded Gabbay void kgd2kfd_exit(void); 207cea405b1SXihan Zhang struct kfd_dev *kgd2kfd_probe(struct kgd_dev *kgd, 208cea405b1SXihan Zhang struct pci_dev *pdev, const struct kfd2kgd_calls *f2g); 2094a488a7aSOded Gabbay bool kgd2kfd_device_init(struct kfd_dev *kfd, 2104a488a7aSOded Gabbay const struct kgd2kfd_shared_resources *gpu_resources); 2114a488a7aSOded Gabbay void kgd2kfd_device_exit(struct kfd_dev *kfd); 2124a488a7aSOded Gabbay 21319f6d2a6SOded Gabbay enum kfd_mempool { 21419f6d2a6SOded Gabbay KFD_MEMPOOL_SYSTEM_CACHEABLE = 1, 21519f6d2a6SOded Gabbay KFD_MEMPOOL_SYSTEM_WRITECOMBINE = 2, 21619f6d2a6SOded Gabbay KFD_MEMPOOL_FRAMEBUFFER = 3, 21719f6d2a6SOded Gabbay }; 21819f6d2a6SOded Gabbay 2194a488a7aSOded Gabbay /* Character device interface */ 2204a488a7aSOded Gabbay int kfd_chardev_init(void); 2214a488a7aSOded Gabbay void kfd_chardev_exit(void); 2224a488a7aSOded Gabbay struct device *kfd_chardev(void); 2234a488a7aSOded Gabbay 224241f24f8SBen Goz /** 2257da2bcf8SYong Zhao * enum kfd_unmap_queues_filter 226241f24f8SBen Goz * 2277da2bcf8SYong Zhao * @KFD_UNMAP_QUEUES_FILTER_SINGLE_QUEUE: Preempts single queue. 228241f24f8SBen Goz * 2297da2bcf8SYong Zhao * @KFD_UNMAP_QUEUES_FILTER_ALL_QUEUES: Preempts all queues in the 230241f24f8SBen Goz * running queues list. 231241f24f8SBen Goz * 2327da2bcf8SYong Zhao * @KFD_UNMAP_QUEUES_FILTER_BY_PASID: Preempts queues that belongs to 233241f24f8SBen Goz * specific process. 234241f24f8SBen Goz * 235241f24f8SBen Goz */ 2367da2bcf8SYong Zhao enum kfd_unmap_queues_filter { 2377da2bcf8SYong Zhao KFD_UNMAP_QUEUES_FILTER_SINGLE_QUEUE, 2387da2bcf8SYong Zhao KFD_UNMAP_QUEUES_FILTER_ALL_QUEUES, 2397da2bcf8SYong Zhao KFD_UNMAP_QUEUES_FILTER_DYNAMIC_QUEUES, 2407da2bcf8SYong Zhao KFD_UNMAP_QUEUES_FILTER_BY_PASID 241241f24f8SBen Goz }; 24219f6d2a6SOded Gabbay 243ed8aab45SBen Goz /** 244ed8aab45SBen Goz * enum kfd_queue_type 245ed8aab45SBen Goz * 246ed8aab45SBen Goz * @KFD_QUEUE_TYPE_COMPUTE: Regular user mode queue type. 247ed8aab45SBen Goz * 248ed8aab45SBen Goz * @KFD_QUEUE_TYPE_SDMA: Sdma user mode queue type. 249ed8aab45SBen Goz * 250ed8aab45SBen Goz * @KFD_QUEUE_TYPE_HIQ: HIQ queue type. 251ed8aab45SBen Goz * 252ed8aab45SBen Goz * @KFD_QUEUE_TYPE_DIQ: DIQ queue type. 253ed8aab45SBen Goz */ 254ed8aab45SBen Goz enum kfd_queue_type { 255ed8aab45SBen Goz KFD_QUEUE_TYPE_COMPUTE, 256ed8aab45SBen Goz KFD_QUEUE_TYPE_SDMA, 257ed8aab45SBen Goz KFD_QUEUE_TYPE_HIQ, 258ed8aab45SBen Goz KFD_QUEUE_TYPE_DIQ 259ed8aab45SBen Goz }; 260ed8aab45SBen Goz 2616e99df57SBen Goz enum kfd_queue_format { 2626e99df57SBen Goz KFD_QUEUE_FORMAT_PM4, 2636e99df57SBen Goz KFD_QUEUE_FORMAT_AQL 2646e99df57SBen Goz }; 2656e99df57SBen Goz 266ed8aab45SBen Goz /** 267ed8aab45SBen Goz * struct queue_properties 268ed8aab45SBen Goz * 269ed8aab45SBen Goz * @type: The queue type. 270ed8aab45SBen Goz * 271ed8aab45SBen Goz * @queue_id: Queue identifier. 272ed8aab45SBen Goz * 273ed8aab45SBen Goz * @queue_address: Queue ring buffer address. 274ed8aab45SBen Goz * 275ed8aab45SBen Goz * @queue_size: Queue ring buffer size. 276ed8aab45SBen Goz * 277ed8aab45SBen Goz * @priority: Defines the queue priority relative to other queues in the 278ed8aab45SBen Goz * process. 279ed8aab45SBen Goz * This is just an indication and HW scheduling may override the priority as 280ed8aab45SBen Goz * necessary while keeping the relative prioritization. 281ed8aab45SBen Goz * the priority granularity is from 0 to f which f is the highest priority. 282ed8aab45SBen Goz * currently all queues are initialized with the highest priority. 283ed8aab45SBen Goz * 284ed8aab45SBen Goz * @queue_percent: This field is partially implemented and currently a zero in 285ed8aab45SBen Goz * this field defines that the queue is non active. 286ed8aab45SBen Goz * 287ed8aab45SBen Goz * @read_ptr: User space address which points to the number of dwords the 288ed8aab45SBen Goz * cp read from the ring buffer. This field updates automatically by the H/W. 289ed8aab45SBen Goz * 290ed8aab45SBen Goz * @write_ptr: Defines the number of dwords written to the ring buffer. 291ed8aab45SBen Goz * 292ed8aab45SBen Goz * @doorbell_ptr: This field aim is to notify the H/W of new packet written to 2938eabaf54SKent Russell * the queue ring buffer. This field should be similar to write_ptr and the 2948eabaf54SKent Russell * user should update this field after he updated the write_ptr. 295ed8aab45SBen Goz * 296ed8aab45SBen Goz * @doorbell_off: The doorbell offset in the doorbell pci-bar. 297ed8aab45SBen Goz * 2988eabaf54SKent Russell * @is_interop: Defines if this is a interop queue. Interop queue means that 2998eabaf54SKent Russell * the queue can access both graphics and compute resources. 300ed8aab45SBen Goz * 301ed8aab45SBen Goz * @is_active: Defines if the queue is active or not. 302ed8aab45SBen Goz * 303ed8aab45SBen Goz * @vmid: If the scheduling mode is no cp scheduling the field defines the vmid 304ed8aab45SBen Goz * of the queue. 305ed8aab45SBen Goz * 306ed8aab45SBen Goz * This structure represents the queue properties for each queue no matter if 307ed8aab45SBen Goz * it's user mode or kernel mode queue. 308ed8aab45SBen Goz * 309ed8aab45SBen Goz */ 310ed8aab45SBen Goz struct queue_properties { 311ed8aab45SBen Goz enum kfd_queue_type type; 3126e99df57SBen Goz enum kfd_queue_format format; 313ed8aab45SBen Goz unsigned int queue_id; 314ed8aab45SBen Goz uint64_t queue_address; 315ed8aab45SBen Goz uint64_t queue_size; 316ed8aab45SBen Goz uint32_t priority; 317ed8aab45SBen Goz uint32_t queue_percent; 318ed8aab45SBen Goz uint32_t *read_ptr; 319ed8aab45SBen Goz uint32_t *write_ptr; 3205cd78de5SOded Gabbay uint32_t __iomem *doorbell_ptr; 321ed8aab45SBen Goz uint32_t doorbell_off; 322ed8aab45SBen Goz bool is_interop; 323ed8aab45SBen Goz bool is_active; 324ed8aab45SBen Goz /* Not relevant for user mode queues in cp scheduling */ 325ed8aab45SBen Goz unsigned int vmid; 32677669eb8SBen Goz /* Relevant only for sdma queues*/ 32777669eb8SBen Goz uint32_t sdma_engine_id; 32877669eb8SBen Goz uint32_t sdma_queue_id; 32977669eb8SBen Goz uint32_t sdma_vm_addr; 330ff3d04a1SBen Goz /* Relevant only for VI */ 331ff3d04a1SBen Goz uint64_t eop_ring_buffer_address; 332ff3d04a1SBen Goz uint32_t eop_ring_buffer_size; 333ff3d04a1SBen Goz uint64_t ctx_save_restore_area_address; 334ff3d04a1SBen Goz uint32_t ctx_save_restore_area_size; 335ed8aab45SBen Goz }; 336ed8aab45SBen Goz 337ed8aab45SBen Goz /** 338ed8aab45SBen Goz * struct queue 339ed8aab45SBen Goz * 340ed8aab45SBen Goz * @list: Queue linked list. 341ed8aab45SBen Goz * 342ed8aab45SBen Goz * @mqd: The queue MQD. 343ed8aab45SBen Goz * 344ed8aab45SBen Goz * @mqd_mem_obj: The MQD local gpu memory object. 345ed8aab45SBen Goz * 346ed8aab45SBen Goz * @gart_mqd_addr: The MQD gart mc address. 347ed8aab45SBen Goz * 348ed8aab45SBen Goz * @properties: The queue properties. 349ed8aab45SBen Goz * 350ed8aab45SBen Goz * @mec: Used only in no cp scheduling mode and identifies to micro engine id 351ed8aab45SBen Goz * that the queue should be execute on. 352ed8aab45SBen Goz * 3538eabaf54SKent Russell * @pipe: Used only in no cp scheduling mode and identifies the queue's pipe 3548eabaf54SKent Russell * id. 355ed8aab45SBen Goz * 356ed8aab45SBen Goz * @queue: Used only in no cp scheduliong mode and identifies the queue's slot. 357ed8aab45SBen Goz * 358ed8aab45SBen Goz * @process: The kfd process that created this queue. 359ed8aab45SBen Goz * 360ed8aab45SBen Goz * @device: The kfd device that created this queue. 361ed8aab45SBen Goz * 362ed8aab45SBen Goz * This structure represents user mode compute queues. 363ed8aab45SBen Goz * It contains all the necessary data to handle such queues. 364ed8aab45SBen Goz * 365ed8aab45SBen Goz */ 366ed8aab45SBen Goz 367ed8aab45SBen Goz struct queue { 368ed8aab45SBen Goz struct list_head list; 369ed8aab45SBen Goz void *mqd; 370ed8aab45SBen Goz struct kfd_mem_obj *mqd_mem_obj; 371ed8aab45SBen Goz uint64_t gart_mqd_addr; 372ed8aab45SBen Goz struct queue_properties properties; 373ed8aab45SBen Goz 374ed8aab45SBen Goz uint32_t mec; 375ed8aab45SBen Goz uint32_t pipe; 376ed8aab45SBen Goz uint32_t queue; 377ed8aab45SBen Goz 37877669eb8SBen Goz unsigned int sdma_id; 37977669eb8SBen Goz 380ed8aab45SBen Goz struct kfd_process *process; 381ed8aab45SBen Goz struct kfd_dev *device; 382ed8aab45SBen Goz }; 383ed8aab45SBen Goz 3846e99df57SBen Goz /* 3856e99df57SBen Goz * Please read the kfd_mqd_manager.h description. 3866e99df57SBen Goz */ 3876e99df57SBen Goz enum KFD_MQD_TYPE { 38885d258f9SBen Goz KFD_MQD_TYPE_COMPUTE = 0, /* for no cp scheduling */ 38985d258f9SBen Goz KFD_MQD_TYPE_HIQ, /* for hiq */ 39085d258f9SBen Goz KFD_MQD_TYPE_CP, /* for cp queues and diq */ 39185d258f9SBen Goz KFD_MQD_TYPE_SDMA, /* for sdma queues */ 3926e99df57SBen Goz KFD_MQD_TYPE_MAX 3936e99df57SBen Goz }; 3946e99df57SBen Goz 395241f24f8SBen Goz struct scheduling_resources { 396241f24f8SBen Goz unsigned int vmid_mask; 397241f24f8SBen Goz enum kfd_queue_type type; 398241f24f8SBen Goz uint64_t queue_mask; 399241f24f8SBen Goz uint64_t gws_mask; 400241f24f8SBen Goz uint32_t oac_mask; 401241f24f8SBen Goz uint32_t gds_heap_base; 402241f24f8SBen Goz uint32_t gds_heap_size; 403241f24f8SBen Goz }; 404241f24f8SBen Goz 405241f24f8SBen Goz struct process_queue_manager { 406241f24f8SBen Goz /* data */ 407241f24f8SBen Goz struct kfd_process *process; 408241f24f8SBen Goz unsigned int num_concurrent_processes; 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; 424241f24f8SBen Goz /* 425241f24f8SBen Goz * All the memory management data should be here too 426241f24f8SBen Goz */ 427241f24f8SBen Goz uint64_t gds_context_area; 428241f24f8SBen Goz uint32_t sh_mem_config; 429241f24f8SBen Goz uint32_t sh_mem_bases; 430241f24f8SBen Goz uint32_t sh_mem_ape1_base; 431241f24f8SBen Goz uint32_t sh_mem_ape1_limit; 432241f24f8SBen Goz uint32_t page_table_base; 433241f24f8SBen Goz uint32_t gds_size; 434241f24f8SBen Goz uint32_t num_gws; 435241f24f8SBen Goz uint32_t num_oac; 4366a1c9510SMoses Reuben uint32_t sh_hidden_private_base; 437241f24f8SBen Goz }; 438241f24f8SBen Goz 439733fa1f7SYong Zhao 440733fa1f7SYong Zhao enum kfd_pdd_bound { 441733fa1f7SYong Zhao PDD_UNBOUND = 0, 442733fa1f7SYong Zhao PDD_BOUND, 443733fa1f7SYong Zhao PDD_BOUND_SUSPENDED, 444733fa1f7SYong Zhao }; 445733fa1f7SYong Zhao 44619f6d2a6SOded Gabbay /* Data that is per-process-per device. */ 44719f6d2a6SOded Gabbay struct kfd_process_device { 44819f6d2a6SOded Gabbay /* 44919f6d2a6SOded Gabbay * List of all per-device data for a process. 45019f6d2a6SOded Gabbay * Starts from kfd_process.per_device_data. 45119f6d2a6SOded Gabbay */ 45219f6d2a6SOded Gabbay struct list_head per_device_list; 45319f6d2a6SOded Gabbay 45419f6d2a6SOded Gabbay /* The device that owns this data. */ 45519f6d2a6SOded Gabbay struct kfd_dev *dev; 45619f6d2a6SOded Gabbay 45719f6d2a6SOded Gabbay 45845102048SBen Goz /* per-process-per device QCM data structure */ 45945102048SBen Goz struct qcm_process_device qpd; 46045102048SBen Goz 46119f6d2a6SOded Gabbay /*Apertures*/ 46219f6d2a6SOded Gabbay uint64_t lds_base; 46319f6d2a6SOded Gabbay uint64_t lds_limit; 46419f6d2a6SOded Gabbay uint64_t gpuvm_base; 46519f6d2a6SOded Gabbay uint64_t gpuvm_limit; 46619f6d2a6SOded Gabbay uint64_t scratch_base; 46719f6d2a6SOded Gabbay uint64_t scratch_limit; 46819f6d2a6SOded Gabbay 46919f6d2a6SOded Gabbay /* Is this process/pasid bound to this device? (amd_iommu_bind_pasid) */ 470733fa1f7SYong Zhao enum kfd_pdd_bound bound; 471a82918f1SBen Goz 472a82918f1SBen Goz /* This flag tells if we should reset all 473a82918f1SBen Goz * wavefronts on process termination 474a82918f1SBen Goz */ 475a82918f1SBen Goz bool reset_wavefronts; 47619f6d2a6SOded Gabbay }; 47719f6d2a6SOded Gabbay 47852a5fdceSAlexey Skidanov #define qpd_to_pdd(x) container_of(x, struct kfd_process_device, qpd) 47952a5fdceSAlexey Skidanov 4804a488a7aSOded Gabbay /* Process data */ 4814a488a7aSOded Gabbay struct kfd_process { 48219f6d2a6SOded Gabbay /* 48319f6d2a6SOded Gabbay * kfd_process are stored in an mm_struct*->kfd_process* 48419f6d2a6SOded Gabbay * hash table (kfd_processes in kfd_process.c) 48519f6d2a6SOded Gabbay */ 48619f6d2a6SOded Gabbay struct hlist_node kfd_processes; 48719f6d2a6SOded Gabbay 48819f6d2a6SOded Gabbay struct mm_struct *mm; 48919f6d2a6SOded Gabbay 49019f6d2a6SOded Gabbay struct mutex mutex; 49119f6d2a6SOded Gabbay 49219f6d2a6SOded Gabbay /* 49319f6d2a6SOded Gabbay * In any process, the thread that started main() is the lead 49419f6d2a6SOded Gabbay * thread and outlives the rest. 49519f6d2a6SOded Gabbay * It is here because amd_iommu_bind_pasid wants a task_struct. 49619f6d2a6SOded Gabbay */ 49719f6d2a6SOded Gabbay struct task_struct *lead_thread; 49819f6d2a6SOded Gabbay 49919f6d2a6SOded Gabbay /* We want to receive a notification when the mm_struct is destroyed */ 50019f6d2a6SOded Gabbay struct mmu_notifier mmu_notifier; 50119f6d2a6SOded Gabbay 50219f6d2a6SOded Gabbay /* Use for delayed freeing of kfd_process structure */ 50319f6d2a6SOded Gabbay struct rcu_head rcu; 50419f6d2a6SOded Gabbay 50519f6d2a6SOded Gabbay unsigned int pasid; 506a91e70e3SFelix Kuehling unsigned int doorbell_index; 50719f6d2a6SOded Gabbay 50819f6d2a6SOded Gabbay /* 50919f6d2a6SOded Gabbay * List of kfd_process_device structures, 51019f6d2a6SOded Gabbay * one for each device the process is using. 51119f6d2a6SOded Gabbay */ 51219f6d2a6SOded Gabbay struct list_head per_device_data; 51319f6d2a6SOded Gabbay 51445102048SBen Goz struct process_queue_manager pqm; 51545102048SBen Goz 51619f6d2a6SOded Gabbay /* The process's queues. */ 51719f6d2a6SOded Gabbay size_t queue_array_size; 51819f6d2a6SOded Gabbay 51919f6d2a6SOded Gabbay /* Size is queue_array_size, up to MAX_PROCESS_QUEUES. */ 52019f6d2a6SOded Gabbay struct kfd_queue **queues; 52119f6d2a6SOded Gabbay 52219f6d2a6SOded Gabbay /*Is the user space process 32 bit?*/ 52319f6d2a6SOded Gabbay bool is_32bit_user_mode; 524f3a39818SAndrew Lewycky 525f3a39818SAndrew Lewycky /* Event-related data */ 526f3a39818SAndrew Lewycky struct mutex event_mutex; 527f3a39818SAndrew Lewycky /* All events in process hashed by ID, linked on kfd_event.events. */ 528f3a39818SAndrew Lewycky DECLARE_HASHTABLE(events, 4); 5298eabaf54SKent Russell /* struct slot_page_header.event_pages */ 5308eabaf54SKent Russell struct list_head signal_event_pages; 531f3a39818SAndrew Lewycky u32 next_nonsignal_event_id; 532f3a39818SAndrew Lewycky size_t signal_event_count; 533c986169fSFelix Kuehling bool signal_event_limit_reached; 5344a488a7aSOded Gabbay }; 5354a488a7aSOded Gabbay 53676baee6cSOded Gabbay /** 53776baee6cSOded Gabbay * Ioctl function type. 53876baee6cSOded Gabbay * 53976baee6cSOded Gabbay * \param filep pointer to file structure. 54076baee6cSOded Gabbay * \param p amdkfd process pointer. 54176baee6cSOded Gabbay * \param data pointer to arg that was copied from user. 54276baee6cSOded Gabbay */ 54376baee6cSOded Gabbay typedef int amdkfd_ioctl_t(struct file *filep, struct kfd_process *p, 54476baee6cSOded Gabbay void *data); 54576baee6cSOded Gabbay 54676baee6cSOded Gabbay struct amdkfd_ioctl_desc { 54776baee6cSOded Gabbay unsigned int cmd; 54876baee6cSOded Gabbay int flags; 54976baee6cSOded Gabbay amdkfd_ioctl_t *func; 55076baee6cSOded Gabbay unsigned int cmd_drv; 55176baee6cSOded Gabbay const char *name; 55276baee6cSOded Gabbay }; 55376baee6cSOded Gabbay 55419f6d2a6SOded Gabbay void kfd_process_create_wq(void); 55519f6d2a6SOded Gabbay void kfd_process_destroy_wq(void); 55619f6d2a6SOded Gabbay struct kfd_process *kfd_create_process(const struct task_struct *); 55719f6d2a6SOded Gabbay struct kfd_process *kfd_get_process(const struct task_struct *); 558f3a39818SAndrew Lewycky struct kfd_process *kfd_lookup_process_by_pasid(unsigned int pasid); 55919f6d2a6SOded Gabbay 56064c7f8cfSBen Goz struct kfd_process_device *kfd_bind_process_to_device(struct kfd_dev *dev, 56164c7f8cfSBen Goz struct kfd_process *p); 562733fa1f7SYong Zhao int kfd_bind_processes_to_device(struct kfd_dev *dev); 563733fa1f7SYong Zhao void kfd_unbind_processes_from_device(struct kfd_dev *dev); 564733fa1f7SYong Zhao void kfd_process_iommu_unbind_callback(struct kfd_dev *dev, unsigned int pasid); 56519f6d2a6SOded Gabbay struct kfd_process_device *kfd_get_process_device_data(struct kfd_dev *dev, 566093c7d8cSAlexey Skidanov struct kfd_process *p); 567093c7d8cSAlexey Skidanov struct kfd_process_device *kfd_create_process_device_data(struct kfd_dev *dev, 568093c7d8cSAlexey Skidanov struct kfd_process *p); 56919f6d2a6SOded Gabbay 570775921edSAlexey Skidanov /* Process device data iterator */ 5718eabaf54SKent Russell struct kfd_process_device *kfd_get_first_process_device_data( 5728eabaf54SKent Russell struct kfd_process *p); 5738eabaf54SKent Russell struct kfd_process_device *kfd_get_next_process_device_data( 5748eabaf54SKent Russell struct kfd_process *p, 575775921edSAlexey Skidanov struct kfd_process_device *pdd); 576775921edSAlexey Skidanov bool kfd_has_process_device_data(struct kfd_process *p); 577775921edSAlexey Skidanov 57819f6d2a6SOded Gabbay /* PASIDs */ 57919f6d2a6SOded Gabbay int kfd_pasid_init(void); 58019f6d2a6SOded Gabbay void kfd_pasid_exit(void); 58119f6d2a6SOded Gabbay bool kfd_set_pasid_limit(unsigned int new_limit); 58219f6d2a6SOded Gabbay unsigned int kfd_get_pasid_limit(void); 58319f6d2a6SOded Gabbay unsigned int kfd_pasid_alloc(void); 58419f6d2a6SOded Gabbay void kfd_pasid_free(unsigned int pasid); 58519f6d2a6SOded Gabbay 58619f6d2a6SOded Gabbay /* Doorbells */ 587735df2baSFelix Kuehling int kfd_doorbell_init(struct kfd_dev *kfd); 588735df2baSFelix Kuehling void kfd_doorbell_fini(struct kfd_dev *kfd); 58919f6d2a6SOded Gabbay int kfd_doorbell_mmap(struct kfd_process *process, struct vm_area_struct *vma); 59019f6d2a6SOded Gabbay u32 __iomem *kfd_get_kernel_doorbell(struct kfd_dev *kfd, 59119f6d2a6SOded Gabbay unsigned int *doorbell_off); 59219f6d2a6SOded Gabbay void kfd_release_kernel_doorbell(struct kfd_dev *kfd, u32 __iomem *db_addr); 59319f6d2a6SOded Gabbay u32 read_kernel_doorbell(u32 __iomem *db); 59419f6d2a6SOded Gabbay void write_kernel_doorbell(u32 __iomem *db, u32 value); 59519f6d2a6SOded Gabbay unsigned int kfd_queue_id_to_doorbell(struct kfd_dev *kfd, 59619f6d2a6SOded Gabbay struct kfd_process *process, 59719f6d2a6SOded Gabbay unsigned int queue_id); 598a91e70e3SFelix Kuehling phys_addr_t kfd_get_process_doorbells(struct kfd_dev *dev, 599a91e70e3SFelix Kuehling struct kfd_process *process); 600a91e70e3SFelix Kuehling int kfd_alloc_process_doorbells(struct kfd_process *process); 601a91e70e3SFelix Kuehling void kfd_free_process_doorbells(struct kfd_process *process); 60219f6d2a6SOded Gabbay 6036e81090bSOded Gabbay /* GTT Sub-Allocator */ 6046e81090bSOded Gabbay 6056e81090bSOded Gabbay int kfd_gtt_sa_allocate(struct kfd_dev *kfd, unsigned int size, 6066e81090bSOded Gabbay struct kfd_mem_obj **mem_obj); 6076e81090bSOded Gabbay 6086e81090bSOded Gabbay int kfd_gtt_sa_free(struct kfd_dev *kfd, struct kfd_mem_obj *mem_obj); 6096e81090bSOded Gabbay 6104a488a7aSOded Gabbay extern struct device *kfd_device; 6114a488a7aSOded Gabbay 6125b5c4e40SEvgeny Pinchuk /* Topology */ 6135b5c4e40SEvgeny Pinchuk int kfd_topology_init(void); 6145b5c4e40SEvgeny Pinchuk void kfd_topology_shutdown(void); 6155b5c4e40SEvgeny Pinchuk int kfd_topology_add_device(struct kfd_dev *gpu); 6165b5c4e40SEvgeny Pinchuk int kfd_topology_remove_device(struct kfd_dev *gpu); 6175b5c4e40SEvgeny Pinchuk struct kfd_dev *kfd_device_by_id(uint32_t gpu_id); 6185b5c4e40SEvgeny Pinchuk struct kfd_dev *kfd_device_by_pci_dev(const struct pci_dev *pdev); 6195b5c4e40SEvgeny Pinchuk struct kfd_dev *kfd_topology_enum_kfd_devices(uint8_t idx); 6205b5c4e40SEvgeny Pinchuk 6214a488a7aSOded Gabbay /* Interrupts */ 6222249d558SAndrew Lewycky int kfd_interrupt_init(struct kfd_dev *dev); 6232249d558SAndrew Lewycky void kfd_interrupt_exit(struct kfd_dev *dev); 624b3f5e6b4SAndrew Lewycky void kgd2kfd_interrupt(struct kfd_dev *kfd, const void *ih_ring_entry); 6252249d558SAndrew Lewycky bool enqueue_ih_ring_entry(struct kfd_dev *kfd, const void *ih_ring_entry); 6262249d558SAndrew Lewycky bool interrupt_is_wanted(struct kfd_dev *dev, const uint32_t *ih_ring_entry); 6274a488a7aSOded Gabbay 6284a488a7aSOded Gabbay /* Power Management */ 629b3f5e6b4SAndrew Lewycky void kgd2kfd_suspend(struct kfd_dev *kfd); 630b3f5e6b4SAndrew Lewycky int kgd2kfd_resume(struct kfd_dev *kfd); 6314a488a7aSOded Gabbay 63219f6d2a6SOded Gabbay /* amdkfd Apertures */ 63319f6d2a6SOded Gabbay int kfd_init_apertures(struct kfd_process *process); 63419f6d2a6SOded Gabbay 635ed6e6a34SBen Goz /* Queue Context Management */ 63677669eb8SBen Goz struct cik_sdma_rlc_registers *get_sdma_mqd(void *mqd); 637241f24f8SBen Goz 638e88a614cSEdward O'Callaghan int init_queue(struct queue **q, const struct queue_properties *properties); 639ed6e6a34SBen Goz void uninit_queue(struct queue *q); 64045102048SBen Goz void print_queue_properties(struct queue_properties *q); 641ed6e6a34SBen Goz void print_queue(struct queue *q); 642ed6e6a34SBen Goz 64364c7f8cfSBen Goz struct mqd_manager *mqd_manager_init(enum KFD_MQD_TYPE type, 64464c7f8cfSBen Goz struct kfd_dev *dev); 6454b8f589bSBen Goz struct mqd_manager *mqd_manager_init_cik(enum KFD_MQD_TYPE type, 6464b8f589bSBen Goz struct kfd_dev *dev); 6474b8f589bSBen Goz struct mqd_manager *mqd_manager_init_vi(enum KFD_MQD_TYPE type, 6484b8f589bSBen Goz struct kfd_dev *dev); 64964c7f8cfSBen Goz struct device_queue_manager *device_queue_manager_init(struct kfd_dev *dev); 65064c7f8cfSBen Goz void device_queue_manager_uninit(struct device_queue_manager *dqm); 651241f24f8SBen Goz struct kernel_queue *kernel_queue_init(struct kfd_dev *dev, 652241f24f8SBen Goz enum kfd_queue_type type); 653241f24f8SBen Goz void kernel_queue_uninit(struct kernel_queue *kq); 654241f24f8SBen Goz 65545102048SBen Goz /* Process Queue Manager */ 65645102048SBen Goz struct process_queue_node { 65745102048SBen Goz struct queue *q; 65845102048SBen Goz struct kernel_queue *kq; 65945102048SBen Goz struct list_head process_queue_list; 66045102048SBen Goz }; 66145102048SBen Goz 66245102048SBen Goz int pqm_init(struct process_queue_manager *pqm, struct kfd_process *p); 66345102048SBen Goz void pqm_uninit(struct process_queue_manager *pqm); 66445102048SBen Goz int pqm_create_queue(struct process_queue_manager *pqm, 66545102048SBen Goz struct kfd_dev *dev, 66645102048SBen Goz struct file *f, 66745102048SBen Goz struct queue_properties *properties, 66845102048SBen Goz unsigned int flags, 66945102048SBen Goz enum kfd_queue_type type, 67045102048SBen Goz unsigned int *qid); 67145102048SBen Goz int pqm_destroy_queue(struct process_queue_manager *pqm, unsigned int qid); 67245102048SBen Goz int pqm_update_queue(struct process_queue_manager *pqm, unsigned int qid, 67345102048SBen Goz struct queue_properties *p); 674fbeb661bSYair Shachar struct kernel_queue *pqm_get_kernel_queue(struct process_queue_manager *pqm, 675fbeb661bSYair Shachar unsigned int qid); 67645102048SBen Goz 677788bf83dSYair Shachar int amdkfd_fence_wait_timeout(unsigned int *fence_addr, 678788bf83dSYair Shachar unsigned int fence_value, 6798c72c3d7SYong Zhao unsigned int timeout_ms); 680788bf83dSYair Shachar 681ed6e6a34SBen Goz /* Packet Manager */ 682ed6e6a34SBen Goz 68364c7f8cfSBen Goz #define KFD_FENCE_COMPLETED (100) 68464c7f8cfSBen Goz #define KFD_FENCE_INIT (10) 685241f24f8SBen Goz 686ed6e6a34SBen Goz struct packet_manager { 687ed6e6a34SBen Goz struct device_queue_manager *dqm; 688ed6e6a34SBen Goz struct kernel_queue *priv_queue; 689ed6e6a34SBen Goz struct mutex lock; 690ed6e6a34SBen Goz bool allocated; 691ed6e6a34SBen Goz struct kfd_mem_obj *ib_buffer_obj; 692ed6e6a34SBen Goz }; 693ed6e6a34SBen Goz 69464c7f8cfSBen Goz int pm_init(struct packet_manager *pm, struct device_queue_manager *dqm); 69564c7f8cfSBen Goz void pm_uninit(struct packet_manager *pm); 69664c7f8cfSBen Goz int pm_send_set_resources(struct packet_manager *pm, 69764c7f8cfSBen Goz struct scheduling_resources *res); 69864c7f8cfSBen Goz int pm_send_runlist(struct packet_manager *pm, struct list_head *dqm_queues); 69964c7f8cfSBen Goz int pm_send_query_status(struct packet_manager *pm, uint64_t fence_address, 70064c7f8cfSBen Goz uint32_t fence_value); 70164c7f8cfSBen Goz 70264c7f8cfSBen Goz int pm_send_unmap_queue(struct packet_manager *pm, enum kfd_queue_type type, 7037da2bcf8SYong Zhao enum kfd_unmap_queues_filter mode, 70464c7f8cfSBen Goz uint32_t filter_param, bool reset, 70564c7f8cfSBen Goz unsigned int sdma_engine); 70664c7f8cfSBen Goz 707241f24f8SBen Goz void pm_release_ib(struct packet_manager *pm); 708241f24f8SBen Goz 70919f6d2a6SOded Gabbay uint64_t kfd_get_number_elems(struct kfd_dev *kfd); 71019f6d2a6SOded Gabbay 711f3a39818SAndrew Lewycky /* Events */ 712f3a39818SAndrew Lewycky extern const struct kfd_event_interrupt_class event_interrupt_class_cik; 713930c5ff4SAlexey Skidanov extern const struct kfd_device_global_init_class device_global_init_class_cik; 714f3a39818SAndrew Lewycky 715f3a39818SAndrew Lewycky enum kfd_event_wait_result { 716f3a39818SAndrew Lewycky KFD_WAIT_COMPLETE, 717f3a39818SAndrew Lewycky KFD_WAIT_TIMEOUT, 718f3a39818SAndrew Lewycky KFD_WAIT_ERROR 719f3a39818SAndrew Lewycky }; 720f3a39818SAndrew Lewycky 721f3a39818SAndrew Lewycky void kfd_event_init_process(struct kfd_process *p); 722f3a39818SAndrew Lewycky void kfd_event_free_process(struct kfd_process *p); 723f3a39818SAndrew Lewycky int kfd_event_mmap(struct kfd_process *process, struct vm_area_struct *vma); 724f3a39818SAndrew Lewycky int kfd_wait_on_events(struct kfd_process *p, 72559d3e8beSAlexey Skidanov uint32_t num_events, void __user *data, 726f3a39818SAndrew Lewycky bool all, uint32_t user_timeout_ms, 727f3a39818SAndrew Lewycky enum kfd_event_wait_result *wait_result); 728f3a39818SAndrew Lewycky void kfd_signal_event_interrupt(unsigned int pasid, uint32_t partial_id, 729f3a39818SAndrew Lewycky uint32_t valid_id_bits); 73059d3e8beSAlexey Skidanov void kfd_signal_iommu_event(struct kfd_dev *dev, 73159d3e8beSAlexey Skidanov unsigned int pasid, unsigned long address, 73259d3e8beSAlexey Skidanov bool is_write_requested, bool is_execute_requested); 733930c5ff4SAlexey Skidanov void kfd_signal_hw_exception_event(unsigned int pasid); 734f3a39818SAndrew Lewycky int kfd_set_event(struct kfd_process *p, uint32_t event_id); 735f3a39818SAndrew Lewycky int kfd_reset_event(struct kfd_process *p, uint32_t event_id); 736f3a39818SAndrew Lewycky int kfd_event_create(struct file *devkfd, struct kfd_process *p, 737f3a39818SAndrew Lewycky uint32_t event_type, bool auto_reset, uint32_t node_id, 738f3a39818SAndrew Lewycky uint32_t *event_id, uint32_t *event_trigger_data, 739f3a39818SAndrew Lewycky uint64_t *event_page_offset, uint32_t *event_slot_index); 740f3a39818SAndrew Lewycky int kfd_event_destroy(struct kfd_process *p, uint32_t event_id); 741f3a39818SAndrew Lewycky 742c3447e81SBen Goz int dbgdev_wave_reset_wavefronts(struct kfd_dev *dev, struct kfd_process *p); 743c3447e81SBen Goz 7444a488a7aSOded Gabbay #endif 745