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> 3504ad47bdSAndres Rodriguez #include <linux/kfifo.h> 364a488a7aSOded Gabbay #include <kgd_kfd_interface.h> 374a488a7aSOded Gabbay 38e596b903SYong Zhao #include "amd_shared.h" 39e596b903SYong Zhao 405b5c4e40SEvgeny Pinchuk #define KFD_SYSFS_FILE_MODE 0444 415b5c4e40SEvgeny Pinchuk 42f3a39818SAndrew Lewycky #define KFD_MMAP_DOORBELL_MASK 0x8000000000000 43f3a39818SAndrew Lewycky #define KFD_MMAP_EVENTS_MASK 0x4000000000000 44373d7080SFelix Kuehling #define KFD_MMAP_RESERVED_MEM_MASK 0x2000000000000 45f3a39818SAndrew Lewycky 46ed6e6a34SBen Goz /* 47ed6e6a34SBen Goz * When working with cp scheduler we should assign the HIQ manually or via 48ed6e6a34SBen Goz * the radeon driver to a fixed hqd slot, here are the fixed HIQ hqd slot 49ed6e6a34SBen Goz * definitions for Kaveri. In Kaveri only the first ME queues participates 50ed6e6a34SBen Goz * in the cp scheduling taking that in mind we set the HIQ slot in the 51ed6e6a34SBen Goz * second ME. 52ed6e6a34SBen Goz */ 53ed6e6a34SBen Goz #define KFD_CIK_HIQ_PIPE 4 54ed6e6a34SBen Goz #define KFD_CIK_HIQ_QUEUE 0 55ed6e6a34SBen Goz 565b5c4e40SEvgeny Pinchuk /* GPU ID hash width in bits */ 575b5c4e40SEvgeny Pinchuk #define KFD_GPU_ID_HASH_WIDTH 16 585b5c4e40SEvgeny Pinchuk 595b5c4e40SEvgeny Pinchuk /* Macro for allocating structures */ 605b5c4e40SEvgeny Pinchuk #define kfd_alloc_struct(ptr_to_struct) \ 615b5c4e40SEvgeny Pinchuk ((typeof(ptr_to_struct)) kzalloc(sizeof(*ptr_to_struct), GFP_KERNEL)) 625b5c4e40SEvgeny Pinchuk 6319f6d2a6SOded Gabbay #define KFD_MAX_NUM_OF_PROCESSES 512 64b8cbab04SOded Gabbay #define KFD_MAX_NUM_OF_QUEUES_PER_PROCESS 1024 6519f6d2a6SOded Gabbay 6619f6d2a6SOded Gabbay /* 67373d7080SFelix Kuehling * Size of the per-process TBA+TMA buffer: 2 pages 68373d7080SFelix Kuehling * 69373d7080SFelix Kuehling * The first page is the TBA used for the CWSR ISA code. The second 70373d7080SFelix Kuehling * page is used as TMA for daisy changing a user-mode trap handler. 71373d7080SFelix Kuehling */ 72373d7080SFelix Kuehling #define KFD_CWSR_TBA_TMA_SIZE (PAGE_SIZE * 2) 73373d7080SFelix Kuehling #define KFD_CWSR_TMA_OFFSET PAGE_SIZE 74373d7080SFelix Kuehling 75373d7080SFelix Kuehling /* 76b8cbab04SOded Gabbay * Kernel module parameter to specify maximum number of supported queues per 77b8cbab04SOded Gabbay * device 7819f6d2a6SOded Gabbay */ 79b8cbab04SOded Gabbay extern int max_num_of_queues_per_device; 8019f6d2a6SOded Gabbay 81b8cbab04SOded Gabbay #define KFD_MAX_NUM_OF_QUEUES_PER_DEVICE_DEFAULT 4096 82b8cbab04SOded Gabbay #define KFD_MAX_NUM_OF_QUEUES_PER_DEVICE \ 83b8cbab04SOded Gabbay (KFD_MAX_NUM_OF_PROCESSES * \ 84b8cbab04SOded Gabbay KFD_MAX_NUM_OF_QUEUES_PER_PROCESS) 8519f6d2a6SOded Gabbay 86ed6e6a34SBen Goz #define KFD_KERNEL_QUEUE_SIZE 2048 87ed6e6a34SBen Goz 8831c21fecSBen Goz /* Kernel module parameter to specify the scheduling policy */ 8931c21fecSBen Goz extern int sched_policy; 9031c21fecSBen Goz 91a99c6d4fSFelix Kuehling /* 92a99c6d4fSFelix Kuehling * Kernel module parameter to specify the maximum process 93a99c6d4fSFelix Kuehling * number per HW scheduler 94a99c6d4fSFelix Kuehling */ 95a99c6d4fSFelix Kuehling extern int hws_max_conc_proc; 96a99c6d4fSFelix Kuehling 97373d7080SFelix Kuehling extern int cwsr_enable; 98373d7080SFelix Kuehling 9981663016SOded Gabbay /* 10081663016SOded Gabbay * Kernel module parameter to specify whether to send sigterm to HSA process on 10181663016SOded Gabbay * unhandled exception 10281663016SOded Gabbay */ 10381663016SOded Gabbay extern int send_sigterm; 10481663016SOded Gabbay 10531c21fecSBen Goz /** 10631c21fecSBen Goz * enum kfd_sched_policy 10731c21fecSBen Goz * 10831c21fecSBen Goz * @KFD_SCHED_POLICY_HWS: H/W scheduling policy known as command processor (cp) 10931c21fecSBen Goz * scheduling. In this scheduling mode we're using the firmware code to 11031c21fecSBen Goz * schedule the user mode queues and kernel queues such as HIQ and DIQ. 11131c21fecSBen Goz * the HIQ queue is used as a special queue that dispatches the configuration 11231c21fecSBen Goz * to the cp and the user mode queues list that are currently running. 11331c21fecSBen Goz * the DIQ queue is a debugging queue that dispatches debugging commands to the 11431c21fecSBen Goz * firmware. 11531c21fecSBen Goz * in this scheduling mode user mode queues over subscription feature is 11631c21fecSBen Goz * enabled. 11731c21fecSBen Goz * 11831c21fecSBen Goz * @KFD_SCHED_POLICY_HWS_NO_OVERSUBSCRIPTION: The same as above but the over 11931c21fecSBen Goz * subscription feature disabled. 12031c21fecSBen Goz * 12131c21fecSBen Goz * @KFD_SCHED_POLICY_NO_HWS: no H/W scheduling policy is a mode which directly 12231c21fecSBen Goz * set the command processor registers and sets the queues "manually". This 12331c21fecSBen Goz * mode is used *ONLY* for debugging proposes. 12431c21fecSBen Goz * 12531c21fecSBen Goz */ 12631c21fecSBen Goz enum kfd_sched_policy { 12731c21fecSBen Goz KFD_SCHED_POLICY_HWS = 0, 12831c21fecSBen Goz KFD_SCHED_POLICY_HWS_NO_OVERSUBSCRIPTION, 12931c21fecSBen Goz KFD_SCHED_POLICY_NO_HWS 13031c21fecSBen Goz }; 13131c21fecSBen Goz 132ed6e6a34SBen Goz enum cache_policy { 133ed6e6a34SBen Goz cache_policy_coherent, 134ed6e6a34SBen Goz cache_policy_noncoherent 135ed6e6a34SBen Goz }; 136ed6e6a34SBen Goz 137f3a39818SAndrew Lewycky struct kfd_event_interrupt_class { 138f3a39818SAndrew Lewycky bool (*interrupt_isr)(struct kfd_dev *dev, 139f3a39818SAndrew Lewycky const uint32_t *ih_ring_entry); 140f3a39818SAndrew Lewycky void (*interrupt_wq)(struct kfd_dev *dev, 141f3a39818SAndrew Lewycky const uint32_t *ih_ring_entry); 142f3a39818SAndrew Lewycky }; 143f3a39818SAndrew Lewycky 1444a488a7aSOded Gabbay struct kfd_device_info { 145e596b903SYong Zhao enum amd_asic_type asic_family; 146f3a39818SAndrew Lewycky const struct kfd_event_interrupt_class *event_interrupt_class; 1474a488a7aSOded Gabbay unsigned int max_pasid_bits; 148992839adSYair Shachar unsigned int max_no_of_hqd; 1494a488a7aSOded Gabbay size_t ih_ring_entry_size; 150f7c826adSAlexey Skidanov uint8_t num_of_watch_points; 15119f6d2a6SOded Gabbay uint16_t mqd_size_aligned; 152373d7080SFelix Kuehling bool supports_cwsr; 1534a488a7aSOded Gabbay }; 1544a488a7aSOded Gabbay 15536b5c08fSOded Gabbay struct kfd_mem_obj { 15636b5c08fSOded Gabbay uint32_t range_start; 15736b5c08fSOded Gabbay uint32_t range_end; 15836b5c08fSOded Gabbay uint64_t gpu_addr; 15936b5c08fSOded Gabbay uint32_t *cpu_ptr; 16036b5c08fSOded Gabbay }; 16136b5c08fSOded Gabbay 16244008d7aSYong Zhao struct kfd_vmid_info { 16344008d7aSYong Zhao uint32_t first_vmid_kfd; 16444008d7aSYong Zhao uint32_t last_vmid_kfd; 16544008d7aSYong Zhao uint32_t vmid_num_kfd; 16644008d7aSYong Zhao }; 16744008d7aSYong Zhao 1684a488a7aSOded Gabbay struct kfd_dev { 1694a488a7aSOded Gabbay struct kgd_dev *kgd; 1704a488a7aSOded Gabbay 1714a488a7aSOded Gabbay const struct kfd_device_info *device_info; 1724a488a7aSOded Gabbay struct pci_dev *pdev; 1734a488a7aSOded Gabbay 1744a488a7aSOded Gabbay unsigned int id; /* topology stub index */ 1754a488a7aSOded Gabbay 17619f6d2a6SOded Gabbay phys_addr_t doorbell_base; /* Start of actual doorbells used by 17719f6d2a6SOded Gabbay * KFD. It is aligned for mapping 17819f6d2a6SOded Gabbay * into user mode 17919f6d2a6SOded Gabbay */ 18019f6d2a6SOded Gabbay size_t doorbell_id_offset; /* Doorbell offset (from KFD doorbell 18119f6d2a6SOded Gabbay * to HW doorbell, GFX reserved some 18219f6d2a6SOded Gabbay * at the start) 18319f6d2a6SOded Gabbay */ 18419f6d2a6SOded Gabbay u32 __iomem *doorbell_kernel_ptr; /* This is a pointer for a doorbells 18519f6d2a6SOded Gabbay * page used by kernel queue 18619f6d2a6SOded Gabbay */ 18719f6d2a6SOded Gabbay 1884a488a7aSOded Gabbay struct kgd2kfd_shared_resources shared_resources; 18944008d7aSYong Zhao struct kfd_vmid_info vm_info; 1904a488a7aSOded Gabbay 191cea405b1SXihan Zhang const struct kfd2kgd_calls *kfd2kgd; 192cea405b1SXihan Zhang struct mutex doorbell_mutex; 193f761d8bdSJoe Perches DECLARE_BITMAP(doorbell_available_index, 194f761d8bdSJoe Perches KFD_MAX_NUM_OF_QUEUES_PER_PROCESS); 195cea405b1SXihan Zhang 19636b5c08fSOded Gabbay void *gtt_mem; 19736b5c08fSOded Gabbay uint64_t gtt_start_gpu_addr; 19836b5c08fSOded Gabbay void *gtt_start_cpu_ptr; 19936b5c08fSOded Gabbay void *gtt_sa_bitmap; 20036b5c08fSOded Gabbay struct mutex gtt_sa_lock; 20136b5c08fSOded Gabbay unsigned int gtt_sa_chunk_size; 20236b5c08fSOded Gabbay unsigned int gtt_sa_num_of_chunks; 20336b5c08fSOded Gabbay 2042249d558SAndrew Lewycky /* Interrupts */ 20504ad47bdSAndres Rodriguez struct kfifo ih_fifo; 20648e876a2SAndres Rodriguez struct workqueue_struct *ih_wq; 2072249d558SAndrew Lewycky struct work_struct interrupt_work; 2082249d558SAndrew Lewycky spinlock_t interrupt_lock; 2092249d558SAndrew Lewycky 210ed6e6a34SBen Goz /* QCM Device instance */ 211ed6e6a34SBen Goz struct device_queue_manager *dqm; 2124a488a7aSOded Gabbay 213ed6e6a34SBen Goz bool init_complete; 2142249d558SAndrew Lewycky /* 2152249d558SAndrew Lewycky * Interrupts of interest to KFD are copied 2162249d558SAndrew Lewycky * from the HW ring into a SW ring. 2172249d558SAndrew Lewycky */ 2182249d558SAndrew Lewycky bool interrupts_active; 219fbeb661bSYair Shachar 220fbeb661bSYair Shachar /* Debug manager */ 221fbeb661bSYair Shachar struct kfd_dbgmgr *dbgmgr; 222373d7080SFelix Kuehling 223a99c6d4fSFelix Kuehling /* Maximum process number mapped to HW scheduler */ 224a99c6d4fSFelix Kuehling unsigned int max_proc_per_quantum; 225a99c6d4fSFelix Kuehling 226373d7080SFelix Kuehling /* CWSR */ 227373d7080SFelix Kuehling bool cwsr_enabled; 228373d7080SFelix Kuehling const void *cwsr_isa; 229373d7080SFelix Kuehling unsigned int cwsr_isa_size; 2304a488a7aSOded Gabbay }; 2314a488a7aSOded Gabbay 2324a488a7aSOded Gabbay /* KGD2KFD callbacks */ 2334a488a7aSOded Gabbay void kgd2kfd_exit(void); 234cea405b1SXihan Zhang struct kfd_dev *kgd2kfd_probe(struct kgd_dev *kgd, 235cea405b1SXihan Zhang struct pci_dev *pdev, const struct kfd2kgd_calls *f2g); 2364a488a7aSOded Gabbay bool kgd2kfd_device_init(struct kfd_dev *kfd, 2374a488a7aSOded Gabbay const struct kgd2kfd_shared_resources *gpu_resources); 2384a488a7aSOded Gabbay void kgd2kfd_device_exit(struct kfd_dev *kfd); 2394a488a7aSOded Gabbay 24019f6d2a6SOded Gabbay enum kfd_mempool { 24119f6d2a6SOded Gabbay KFD_MEMPOOL_SYSTEM_CACHEABLE = 1, 24219f6d2a6SOded Gabbay KFD_MEMPOOL_SYSTEM_WRITECOMBINE = 2, 24319f6d2a6SOded Gabbay KFD_MEMPOOL_FRAMEBUFFER = 3, 24419f6d2a6SOded Gabbay }; 24519f6d2a6SOded Gabbay 2464a488a7aSOded Gabbay /* Character device interface */ 2474a488a7aSOded Gabbay int kfd_chardev_init(void); 2484a488a7aSOded Gabbay void kfd_chardev_exit(void); 2494a488a7aSOded Gabbay struct device *kfd_chardev(void); 2504a488a7aSOded Gabbay 251241f24f8SBen Goz /** 2527da2bcf8SYong Zhao * enum kfd_unmap_queues_filter 253241f24f8SBen Goz * 2547da2bcf8SYong Zhao * @KFD_UNMAP_QUEUES_FILTER_SINGLE_QUEUE: Preempts single queue. 255241f24f8SBen Goz * 2567da2bcf8SYong Zhao * @KFD_UNMAP_QUEUES_FILTER_ALL_QUEUES: Preempts all queues in the 257241f24f8SBen Goz * running queues list. 258241f24f8SBen Goz * 2597da2bcf8SYong Zhao * @KFD_UNMAP_QUEUES_FILTER_BY_PASID: Preempts queues that belongs to 260241f24f8SBen Goz * specific process. 261241f24f8SBen Goz * 262241f24f8SBen Goz */ 2637da2bcf8SYong Zhao enum kfd_unmap_queues_filter { 2647da2bcf8SYong Zhao KFD_UNMAP_QUEUES_FILTER_SINGLE_QUEUE, 2657da2bcf8SYong Zhao KFD_UNMAP_QUEUES_FILTER_ALL_QUEUES, 2667da2bcf8SYong Zhao KFD_UNMAP_QUEUES_FILTER_DYNAMIC_QUEUES, 2677da2bcf8SYong Zhao KFD_UNMAP_QUEUES_FILTER_BY_PASID 268241f24f8SBen Goz }; 26919f6d2a6SOded Gabbay 270ed8aab45SBen Goz /** 271ed8aab45SBen Goz * enum kfd_queue_type 272ed8aab45SBen Goz * 273ed8aab45SBen Goz * @KFD_QUEUE_TYPE_COMPUTE: Regular user mode queue type. 274ed8aab45SBen Goz * 275ed8aab45SBen Goz * @KFD_QUEUE_TYPE_SDMA: Sdma user mode queue type. 276ed8aab45SBen Goz * 277ed8aab45SBen Goz * @KFD_QUEUE_TYPE_HIQ: HIQ queue type. 278ed8aab45SBen Goz * 279ed8aab45SBen Goz * @KFD_QUEUE_TYPE_DIQ: DIQ queue type. 280ed8aab45SBen Goz */ 281ed8aab45SBen Goz enum kfd_queue_type { 282ed8aab45SBen Goz KFD_QUEUE_TYPE_COMPUTE, 283ed8aab45SBen Goz KFD_QUEUE_TYPE_SDMA, 284ed8aab45SBen Goz KFD_QUEUE_TYPE_HIQ, 285ed8aab45SBen Goz KFD_QUEUE_TYPE_DIQ 286ed8aab45SBen Goz }; 287ed8aab45SBen Goz 2886e99df57SBen Goz enum kfd_queue_format { 2896e99df57SBen Goz KFD_QUEUE_FORMAT_PM4, 2906e99df57SBen Goz KFD_QUEUE_FORMAT_AQL 2916e99df57SBen Goz }; 2926e99df57SBen Goz 293ed8aab45SBen Goz /** 294ed8aab45SBen Goz * struct queue_properties 295ed8aab45SBen Goz * 296ed8aab45SBen Goz * @type: The queue type. 297ed8aab45SBen Goz * 298ed8aab45SBen Goz * @queue_id: Queue identifier. 299ed8aab45SBen Goz * 300ed8aab45SBen Goz * @queue_address: Queue ring buffer address. 301ed8aab45SBen Goz * 302ed8aab45SBen Goz * @queue_size: Queue ring buffer size. 303ed8aab45SBen Goz * 304ed8aab45SBen Goz * @priority: Defines the queue priority relative to other queues in the 305ed8aab45SBen Goz * process. 306ed8aab45SBen Goz * This is just an indication and HW scheduling may override the priority as 307ed8aab45SBen Goz * necessary while keeping the relative prioritization. 308ed8aab45SBen Goz * the priority granularity is from 0 to f which f is the highest priority. 309ed8aab45SBen Goz * currently all queues are initialized with the highest priority. 310ed8aab45SBen Goz * 311ed8aab45SBen Goz * @queue_percent: This field is partially implemented and currently a zero in 312ed8aab45SBen Goz * this field defines that the queue is non active. 313ed8aab45SBen Goz * 314ed8aab45SBen Goz * @read_ptr: User space address which points to the number of dwords the 315ed8aab45SBen Goz * cp read from the ring buffer. This field updates automatically by the H/W. 316ed8aab45SBen Goz * 317ed8aab45SBen Goz * @write_ptr: Defines the number of dwords written to the ring buffer. 318ed8aab45SBen Goz * 319ed8aab45SBen Goz * @doorbell_ptr: This field aim is to notify the H/W of new packet written to 3208eabaf54SKent Russell * the queue ring buffer. This field should be similar to write_ptr and the 3218eabaf54SKent Russell * user should update this field after he updated the write_ptr. 322ed8aab45SBen Goz * 323ed8aab45SBen Goz * @doorbell_off: The doorbell offset in the doorbell pci-bar. 324ed8aab45SBen Goz * 3258eabaf54SKent Russell * @is_interop: Defines if this is a interop queue. Interop queue means that 3268eabaf54SKent Russell * the queue can access both graphics and compute resources. 327ed8aab45SBen Goz * 328ed8aab45SBen Goz * @is_active: Defines if the queue is active or not. 329ed8aab45SBen Goz * 330ed8aab45SBen Goz * @vmid: If the scheduling mode is no cp scheduling the field defines the vmid 331ed8aab45SBen Goz * of the queue. 332ed8aab45SBen Goz * 333ed8aab45SBen Goz * This structure represents the queue properties for each queue no matter if 334ed8aab45SBen Goz * it's user mode or kernel mode queue. 335ed8aab45SBen Goz * 336ed8aab45SBen Goz */ 337ed8aab45SBen Goz struct queue_properties { 338ed8aab45SBen Goz enum kfd_queue_type type; 3396e99df57SBen Goz enum kfd_queue_format format; 340ed8aab45SBen Goz unsigned int queue_id; 341ed8aab45SBen Goz uint64_t queue_address; 342ed8aab45SBen Goz uint64_t queue_size; 343ed8aab45SBen Goz uint32_t priority; 344ed8aab45SBen Goz uint32_t queue_percent; 345ed8aab45SBen Goz uint32_t *read_ptr; 346ed8aab45SBen Goz uint32_t *write_ptr; 3475cd78de5SOded Gabbay uint32_t __iomem *doorbell_ptr; 348ed8aab45SBen Goz uint32_t doorbell_off; 349ed8aab45SBen Goz bool is_interop; 350ed8aab45SBen Goz bool is_active; 351ed8aab45SBen Goz /* Not relevant for user mode queues in cp scheduling */ 352ed8aab45SBen Goz unsigned int vmid; 35377669eb8SBen Goz /* Relevant only for sdma queues*/ 35477669eb8SBen Goz uint32_t sdma_engine_id; 35577669eb8SBen Goz uint32_t sdma_queue_id; 35677669eb8SBen Goz uint32_t sdma_vm_addr; 357ff3d04a1SBen Goz /* Relevant only for VI */ 358ff3d04a1SBen Goz uint64_t eop_ring_buffer_address; 359ff3d04a1SBen Goz uint32_t eop_ring_buffer_size; 360ff3d04a1SBen Goz uint64_t ctx_save_restore_area_address; 361ff3d04a1SBen Goz uint32_t ctx_save_restore_area_size; 362373d7080SFelix Kuehling uint32_t ctl_stack_size; 363373d7080SFelix Kuehling uint64_t tba_addr; 364373d7080SFelix Kuehling uint64_t tma_addr; 365ed8aab45SBen Goz }; 366ed8aab45SBen Goz 367ed8aab45SBen Goz /** 368ed8aab45SBen Goz * struct queue 369ed8aab45SBen Goz * 370ed8aab45SBen Goz * @list: Queue linked list. 371ed8aab45SBen Goz * 372ed8aab45SBen Goz * @mqd: The queue MQD. 373ed8aab45SBen Goz * 374ed8aab45SBen Goz * @mqd_mem_obj: The MQD local gpu memory object. 375ed8aab45SBen Goz * 376ed8aab45SBen Goz * @gart_mqd_addr: The MQD gart mc address. 377ed8aab45SBen Goz * 378ed8aab45SBen Goz * @properties: The queue properties. 379ed8aab45SBen Goz * 380ed8aab45SBen Goz * @mec: Used only in no cp scheduling mode and identifies to micro engine id 381ed8aab45SBen Goz * that the queue should be execute on. 382ed8aab45SBen Goz * 3838eabaf54SKent Russell * @pipe: Used only in no cp scheduling mode and identifies the queue's pipe 3848eabaf54SKent Russell * id. 385ed8aab45SBen Goz * 386ed8aab45SBen Goz * @queue: Used only in no cp scheduliong mode and identifies the queue's slot. 387ed8aab45SBen Goz * 388ed8aab45SBen Goz * @process: The kfd process that created this queue. 389ed8aab45SBen Goz * 390ed8aab45SBen Goz * @device: The kfd device that created this queue. 391ed8aab45SBen Goz * 392ed8aab45SBen Goz * This structure represents user mode compute queues. 393ed8aab45SBen Goz * It contains all the necessary data to handle such queues. 394ed8aab45SBen Goz * 395ed8aab45SBen Goz */ 396ed8aab45SBen Goz 397ed8aab45SBen Goz struct queue { 398ed8aab45SBen Goz struct list_head list; 399ed8aab45SBen Goz void *mqd; 400ed8aab45SBen Goz struct kfd_mem_obj *mqd_mem_obj; 401ed8aab45SBen Goz uint64_t gart_mqd_addr; 402ed8aab45SBen Goz struct queue_properties properties; 403ed8aab45SBen Goz 404ed8aab45SBen Goz uint32_t mec; 405ed8aab45SBen Goz uint32_t pipe; 406ed8aab45SBen Goz uint32_t queue; 407ed8aab45SBen Goz 40877669eb8SBen Goz unsigned int sdma_id; 40977669eb8SBen Goz 410ed8aab45SBen Goz struct kfd_process *process; 411ed8aab45SBen Goz struct kfd_dev *device; 412ed8aab45SBen Goz }; 413ed8aab45SBen Goz 4146e99df57SBen Goz /* 4156e99df57SBen Goz * Please read the kfd_mqd_manager.h description. 4166e99df57SBen Goz */ 4176e99df57SBen Goz enum KFD_MQD_TYPE { 41885d258f9SBen Goz KFD_MQD_TYPE_COMPUTE = 0, /* for no cp scheduling */ 41985d258f9SBen Goz KFD_MQD_TYPE_HIQ, /* for hiq */ 42085d258f9SBen Goz KFD_MQD_TYPE_CP, /* for cp queues and diq */ 42185d258f9SBen Goz KFD_MQD_TYPE_SDMA, /* for sdma queues */ 4226e99df57SBen Goz KFD_MQD_TYPE_MAX 4236e99df57SBen Goz }; 4246e99df57SBen Goz 425241f24f8SBen Goz struct scheduling_resources { 426241f24f8SBen Goz unsigned int vmid_mask; 427241f24f8SBen Goz enum kfd_queue_type type; 428241f24f8SBen Goz uint64_t queue_mask; 429241f24f8SBen Goz uint64_t gws_mask; 430241f24f8SBen Goz uint32_t oac_mask; 431241f24f8SBen Goz uint32_t gds_heap_base; 432241f24f8SBen Goz uint32_t gds_heap_size; 433241f24f8SBen Goz }; 434241f24f8SBen Goz 435241f24f8SBen Goz struct process_queue_manager { 436241f24f8SBen Goz /* data */ 437241f24f8SBen Goz struct kfd_process *process; 438241f24f8SBen Goz struct list_head queues; 439241f24f8SBen Goz unsigned long *queue_slot_bitmap; 440241f24f8SBen Goz }; 441241f24f8SBen Goz 442241f24f8SBen Goz struct qcm_process_device { 443241f24f8SBen Goz /* The Device Queue Manager that owns this data */ 444241f24f8SBen Goz struct device_queue_manager *dqm; 445241f24f8SBen Goz struct process_queue_manager *pqm; 446241f24f8SBen Goz /* Queues list */ 447241f24f8SBen Goz struct list_head queues_list; 448241f24f8SBen Goz struct list_head priv_queue_list; 449241f24f8SBen Goz 450241f24f8SBen Goz unsigned int queue_count; 451241f24f8SBen Goz unsigned int vmid; 452241f24f8SBen Goz bool is_debug; 4539fd3f1bfSFelix Kuehling 4549fd3f1bfSFelix Kuehling /* This flag tells if we should reset all wavefronts on 4559fd3f1bfSFelix Kuehling * process termination 4569fd3f1bfSFelix Kuehling */ 4579fd3f1bfSFelix Kuehling bool reset_wavefronts; 4589fd3f1bfSFelix Kuehling 459241f24f8SBen Goz /* 460241f24f8SBen Goz * All the memory management data should be here too 461241f24f8SBen Goz */ 462241f24f8SBen Goz uint64_t gds_context_area; 463241f24f8SBen Goz uint32_t sh_mem_config; 464241f24f8SBen Goz uint32_t sh_mem_bases; 465241f24f8SBen Goz uint32_t sh_mem_ape1_base; 466241f24f8SBen Goz uint32_t sh_mem_ape1_limit; 467241f24f8SBen Goz uint32_t page_table_base; 468241f24f8SBen Goz uint32_t gds_size; 469241f24f8SBen Goz uint32_t num_gws; 470241f24f8SBen Goz uint32_t num_oac; 4716a1c9510SMoses Reuben uint32_t sh_hidden_private_base; 472373d7080SFelix Kuehling 473373d7080SFelix Kuehling /* CWSR memory */ 474373d7080SFelix Kuehling void *cwsr_kaddr; 475373d7080SFelix Kuehling uint64_t tba_addr; 476373d7080SFelix Kuehling uint64_t tma_addr; 477241f24f8SBen Goz }; 478241f24f8SBen Goz 479733fa1f7SYong Zhao 480733fa1f7SYong Zhao enum kfd_pdd_bound { 481733fa1f7SYong Zhao PDD_UNBOUND = 0, 482733fa1f7SYong Zhao PDD_BOUND, 483733fa1f7SYong Zhao PDD_BOUND_SUSPENDED, 484733fa1f7SYong Zhao }; 485733fa1f7SYong Zhao 48619f6d2a6SOded Gabbay /* Data that is per-process-per device. */ 48719f6d2a6SOded Gabbay struct kfd_process_device { 48819f6d2a6SOded Gabbay /* 48919f6d2a6SOded Gabbay * List of all per-device data for a process. 49019f6d2a6SOded Gabbay * Starts from kfd_process.per_device_data. 49119f6d2a6SOded Gabbay */ 49219f6d2a6SOded Gabbay struct list_head per_device_list; 49319f6d2a6SOded Gabbay 49419f6d2a6SOded Gabbay /* The device that owns this data. */ 49519f6d2a6SOded Gabbay struct kfd_dev *dev; 49619f6d2a6SOded Gabbay 4979fd3f1bfSFelix Kuehling /* The process that owns this kfd_process_device. */ 4989fd3f1bfSFelix Kuehling struct kfd_process *process; 49919f6d2a6SOded Gabbay 50045102048SBen Goz /* per-process-per device QCM data structure */ 50145102048SBen Goz struct qcm_process_device qpd; 50245102048SBen Goz 50319f6d2a6SOded Gabbay /*Apertures*/ 50419f6d2a6SOded Gabbay uint64_t lds_base; 50519f6d2a6SOded Gabbay uint64_t lds_limit; 50619f6d2a6SOded Gabbay uint64_t gpuvm_base; 50719f6d2a6SOded Gabbay uint64_t gpuvm_limit; 50819f6d2a6SOded Gabbay uint64_t scratch_base; 50919f6d2a6SOded Gabbay uint64_t scratch_limit; 51019f6d2a6SOded Gabbay 51119f6d2a6SOded Gabbay /* Is this process/pasid bound to this device? (amd_iommu_bind_pasid) */ 512733fa1f7SYong Zhao enum kfd_pdd_bound bound; 513a82918f1SBen Goz 5149fd3f1bfSFelix Kuehling /* Flag used to tell the pdd has dequeued from the dqm. 5159fd3f1bfSFelix Kuehling * This is used to prevent dev->dqm->ops.process_termination() from 5169fd3f1bfSFelix Kuehling * being called twice when it is already called in IOMMU callback 5179fd3f1bfSFelix Kuehling * function. 518a82918f1SBen Goz */ 5199fd3f1bfSFelix Kuehling bool already_dequeued; 52019f6d2a6SOded Gabbay }; 52119f6d2a6SOded Gabbay 52252a5fdceSAlexey Skidanov #define qpd_to_pdd(x) container_of(x, struct kfd_process_device, qpd) 52352a5fdceSAlexey Skidanov 5244a488a7aSOded Gabbay /* Process data */ 5254a488a7aSOded Gabbay struct kfd_process { 52619f6d2a6SOded Gabbay /* 52719f6d2a6SOded Gabbay * kfd_process are stored in an mm_struct*->kfd_process* 52819f6d2a6SOded Gabbay * hash table (kfd_processes in kfd_process.c) 52919f6d2a6SOded Gabbay */ 53019f6d2a6SOded Gabbay struct hlist_node kfd_processes; 53119f6d2a6SOded Gabbay 5329b56bb11SFelix Kuehling /* 5339b56bb11SFelix Kuehling * Opaque pointer to mm_struct. We don't hold a reference to 5349b56bb11SFelix Kuehling * it so it should never be dereferenced from here. This is 5359b56bb11SFelix Kuehling * only used for looking up processes by their mm. 5369b56bb11SFelix Kuehling */ 5379b56bb11SFelix Kuehling void *mm; 53819f6d2a6SOded Gabbay 53919f6d2a6SOded Gabbay struct mutex mutex; 54019f6d2a6SOded Gabbay 54119f6d2a6SOded Gabbay /* 54219f6d2a6SOded Gabbay * In any process, the thread that started main() is the lead 54319f6d2a6SOded Gabbay * thread and outlives the rest. 54419f6d2a6SOded Gabbay * It is here because amd_iommu_bind_pasid wants a task_struct. 545894a8293SFelix Kuehling * It can also be used for safely getting a reference to the 546894a8293SFelix Kuehling * mm_struct of the process. 54719f6d2a6SOded Gabbay */ 54819f6d2a6SOded Gabbay struct task_struct *lead_thread; 54919f6d2a6SOded Gabbay 55019f6d2a6SOded Gabbay /* We want to receive a notification when the mm_struct is destroyed */ 55119f6d2a6SOded Gabbay struct mmu_notifier mmu_notifier; 55219f6d2a6SOded Gabbay 55319f6d2a6SOded Gabbay /* Use for delayed freeing of kfd_process structure */ 55419f6d2a6SOded Gabbay struct rcu_head rcu; 55519f6d2a6SOded Gabbay 55619f6d2a6SOded Gabbay unsigned int pasid; 557a91e70e3SFelix Kuehling unsigned int doorbell_index; 55819f6d2a6SOded Gabbay 55919f6d2a6SOded Gabbay /* 56019f6d2a6SOded Gabbay * List of kfd_process_device structures, 56119f6d2a6SOded Gabbay * one for each device the process is using. 56219f6d2a6SOded Gabbay */ 56319f6d2a6SOded Gabbay struct list_head per_device_data; 56419f6d2a6SOded Gabbay 56545102048SBen Goz struct process_queue_manager pqm; 56645102048SBen Goz 56719f6d2a6SOded Gabbay /*Is the user space process 32 bit?*/ 56819f6d2a6SOded Gabbay bool is_32bit_user_mode; 569f3a39818SAndrew Lewycky 570f3a39818SAndrew Lewycky /* Event-related data */ 571f3a39818SAndrew Lewycky struct mutex event_mutex; 572482f0777SFelix Kuehling /* Event ID allocator and lookup */ 573482f0777SFelix Kuehling struct idr event_idr; 57450cb7dd9SFelix Kuehling /* Event page */ 57550cb7dd9SFelix Kuehling struct kfd_signal_page *signal_page; 576b9a5d0a5SFelix Kuehling size_t signal_mapped_size; 577f3a39818SAndrew Lewycky size_t signal_event_count; 578c986169fSFelix Kuehling bool signal_event_limit_reached; 5794a488a7aSOded Gabbay }; 5804a488a7aSOded Gabbay 58176baee6cSOded Gabbay /** 58276baee6cSOded Gabbay * Ioctl function type. 58376baee6cSOded Gabbay * 58476baee6cSOded Gabbay * \param filep pointer to file structure. 58576baee6cSOded Gabbay * \param p amdkfd process pointer. 58676baee6cSOded Gabbay * \param data pointer to arg that was copied from user. 58776baee6cSOded Gabbay */ 58876baee6cSOded Gabbay typedef int amdkfd_ioctl_t(struct file *filep, struct kfd_process *p, 58976baee6cSOded Gabbay void *data); 59076baee6cSOded Gabbay 59176baee6cSOded Gabbay struct amdkfd_ioctl_desc { 59276baee6cSOded Gabbay unsigned int cmd; 59376baee6cSOded Gabbay int flags; 59476baee6cSOded Gabbay amdkfd_ioctl_t *func; 59576baee6cSOded Gabbay unsigned int cmd_drv; 59676baee6cSOded Gabbay const char *name; 59776baee6cSOded Gabbay }; 59876baee6cSOded Gabbay 59919f6d2a6SOded Gabbay void kfd_process_create_wq(void); 60019f6d2a6SOded Gabbay void kfd_process_destroy_wq(void); 601373d7080SFelix Kuehling struct kfd_process *kfd_create_process(struct file *filep); 60219f6d2a6SOded Gabbay struct kfd_process *kfd_get_process(const struct task_struct *); 603f3a39818SAndrew Lewycky struct kfd_process *kfd_lookup_process_by_pasid(unsigned int pasid); 60419f6d2a6SOded Gabbay 60564c7f8cfSBen Goz struct kfd_process_device *kfd_bind_process_to_device(struct kfd_dev *dev, 60664c7f8cfSBen Goz struct kfd_process *p); 607733fa1f7SYong Zhao int kfd_bind_processes_to_device(struct kfd_dev *dev); 608733fa1f7SYong Zhao void kfd_unbind_processes_from_device(struct kfd_dev *dev); 609733fa1f7SYong Zhao void kfd_process_iommu_unbind_callback(struct kfd_dev *dev, unsigned int pasid); 61019f6d2a6SOded Gabbay struct kfd_process_device *kfd_get_process_device_data(struct kfd_dev *dev, 611093c7d8cSAlexey Skidanov struct kfd_process *p); 612093c7d8cSAlexey Skidanov struct kfd_process_device *kfd_create_process_device_data(struct kfd_dev *dev, 613093c7d8cSAlexey Skidanov struct kfd_process *p); 61419f6d2a6SOded Gabbay 615373d7080SFelix Kuehling int kfd_reserved_mem_mmap(struct kfd_process *process, 616373d7080SFelix Kuehling struct vm_area_struct *vma); 617373d7080SFelix Kuehling 618775921edSAlexey Skidanov /* Process device data iterator */ 6198eabaf54SKent Russell struct kfd_process_device *kfd_get_first_process_device_data( 6208eabaf54SKent Russell struct kfd_process *p); 6218eabaf54SKent Russell struct kfd_process_device *kfd_get_next_process_device_data( 6228eabaf54SKent Russell struct kfd_process *p, 623775921edSAlexey Skidanov struct kfd_process_device *pdd); 624775921edSAlexey Skidanov bool kfd_has_process_device_data(struct kfd_process *p); 625775921edSAlexey Skidanov 62619f6d2a6SOded Gabbay /* PASIDs */ 62719f6d2a6SOded Gabbay int kfd_pasid_init(void); 62819f6d2a6SOded Gabbay void kfd_pasid_exit(void); 62919f6d2a6SOded Gabbay bool kfd_set_pasid_limit(unsigned int new_limit); 63019f6d2a6SOded Gabbay unsigned int kfd_get_pasid_limit(void); 63119f6d2a6SOded Gabbay unsigned int kfd_pasid_alloc(void); 63219f6d2a6SOded Gabbay void kfd_pasid_free(unsigned int pasid); 63319f6d2a6SOded Gabbay 63419f6d2a6SOded Gabbay /* Doorbells */ 635735df2baSFelix Kuehling int kfd_doorbell_init(struct kfd_dev *kfd); 636735df2baSFelix Kuehling void kfd_doorbell_fini(struct kfd_dev *kfd); 63719f6d2a6SOded Gabbay int kfd_doorbell_mmap(struct kfd_process *process, struct vm_area_struct *vma); 63819f6d2a6SOded Gabbay u32 __iomem *kfd_get_kernel_doorbell(struct kfd_dev *kfd, 63919f6d2a6SOded Gabbay unsigned int *doorbell_off); 64019f6d2a6SOded Gabbay void kfd_release_kernel_doorbell(struct kfd_dev *kfd, u32 __iomem *db_addr); 64119f6d2a6SOded Gabbay u32 read_kernel_doorbell(u32 __iomem *db); 64219f6d2a6SOded Gabbay void write_kernel_doorbell(u32 __iomem *db, u32 value); 64319f6d2a6SOded Gabbay unsigned int kfd_queue_id_to_doorbell(struct kfd_dev *kfd, 64419f6d2a6SOded Gabbay struct kfd_process *process, 64519f6d2a6SOded Gabbay unsigned int queue_id); 646a91e70e3SFelix Kuehling phys_addr_t kfd_get_process_doorbells(struct kfd_dev *dev, 647a91e70e3SFelix Kuehling struct kfd_process *process); 648a91e70e3SFelix Kuehling int kfd_alloc_process_doorbells(struct kfd_process *process); 649a91e70e3SFelix Kuehling void kfd_free_process_doorbells(struct kfd_process *process); 65019f6d2a6SOded Gabbay 6516e81090bSOded Gabbay /* GTT Sub-Allocator */ 6526e81090bSOded Gabbay 6536e81090bSOded Gabbay int kfd_gtt_sa_allocate(struct kfd_dev *kfd, unsigned int size, 6546e81090bSOded Gabbay struct kfd_mem_obj **mem_obj); 6556e81090bSOded Gabbay 6566e81090bSOded Gabbay int kfd_gtt_sa_free(struct kfd_dev *kfd, struct kfd_mem_obj *mem_obj); 6576e81090bSOded Gabbay 6584a488a7aSOded Gabbay extern struct device *kfd_device; 6594a488a7aSOded Gabbay 6605b5c4e40SEvgeny Pinchuk /* Topology */ 6615b5c4e40SEvgeny Pinchuk int kfd_topology_init(void); 6625b5c4e40SEvgeny Pinchuk void kfd_topology_shutdown(void); 6635b5c4e40SEvgeny Pinchuk int kfd_topology_add_device(struct kfd_dev *gpu); 6645b5c4e40SEvgeny Pinchuk int kfd_topology_remove_device(struct kfd_dev *gpu); 6655b5c4e40SEvgeny Pinchuk struct kfd_dev *kfd_device_by_id(uint32_t gpu_id); 6665b5c4e40SEvgeny Pinchuk struct kfd_dev *kfd_device_by_pci_dev(const struct pci_dev *pdev); 6675b5c4e40SEvgeny Pinchuk struct kfd_dev *kfd_topology_enum_kfd_devices(uint8_t idx); 6685b5c4e40SEvgeny Pinchuk 6694a488a7aSOded Gabbay /* Interrupts */ 6702249d558SAndrew Lewycky int kfd_interrupt_init(struct kfd_dev *dev); 6712249d558SAndrew Lewycky void kfd_interrupt_exit(struct kfd_dev *dev); 672b3f5e6b4SAndrew Lewycky void kgd2kfd_interrupt(struct kfd_dev *kfd, const void *ih_ring_entry); 6732249d558SAndrew Lewycky bool enqueue_ih_ring_entry(struct kfd_dev *kfd, const void *ih_ring_entry); 6742249d558SAndrew Lewycky bool interrupt_is_wanted(struct kfd_dev *dev, const uint32_t *ih_ring_entry); 6754a488a7aSOded Gabbay 6764a488a7aSOded Gabbay /* Power Management */ 677b3f5e6b4SAndrew Lewycky void kgd2kfd_suspend(struct kfd_dev *kfd); 678b3f5e6b4SAndrew Lewycky int kgd2kfd_resume(struct kfd_dev *kfd); 6794a488a7aSOded Gabbay 68019f6d2a6SOded Gabbay /* amdkfd Apertures */ 68119f6d2a6SOded Gabbay int kfd_init_apertures(struct kfd_process *process); 68219f6d2a6SOded Gabbay 683ed6e6a34SBen Goz /* Queue Context Management */ 684e88a614cSEdward O'Callaghan int init_queue(struct queue **q, const struct queue_properties *properties); 685ed6e6a34SBen Goz void uninit_queue(struct queue *q); 68645102048SBen Goz void print_queue_properties(struct queue_properties *q); 687ed6e6a34SBen Goz void print_queue(struct queue *q); 688ed6e6a34SBen Goz 68964c7f8cfSBen Goz struct mqd_manager *mqd_manager_init(enum KFD_MQD_TYPE type, 69064c7f8cfSBen Goz struct kfd_dev *dev); 6914b8f589bSBen Goz struct mqd_manager *mqd_manager_init_cik(enum KFD_MQD_TYPE type, 6924b8f589bSBen Goz struct kfd_dev *dev); 6934b8f589bSBen Goz struct mqd_manager *mqd_manager_init_vi(enum KFD_MQD_TYPE type, 6944b8f589bSBen Goz struct kfd_dev *dev); 69564c7f8cfSBen Goz struct device_queue_manager *device_queue_manager_init(struct kfd_dev *dev); 69664c7f8cfSBen Goz void device_queue_manager_uninit(struct device_queue_manager *dqm); 697241f24f8SBen Goz struct kernel_queue *kernel_queue_init(struct kfd_dev *dev, 698241f24f8SBen Goz enum kfd_queue_type type); 699241f24f8SBen Goz void kernel_queue_uninit(struct kernel_queue *kq); 700241f24f8SBen Goz 70145102048SBen Goz /* Process Queue Manager */ 70245102048SBen Goz struct process_queue_node { 70345102048SBen Goz struct queue *q; 70445102048SBen Goz struct kernel_queue *kq; 70545102048SBen Goz struct list_head process_queue_list; 70645102048SBen Goz }; 70745102048SBen Goz 7089fd3f1bfSFelix Kuehling void kfd_process_dequeue_from_device(struct kfd_process_device *pdd); 7099fd3f1bfSFelix Kuehling void kfd_process_dequeue_from_all_devices(struct kfd_process *p); 71045102048SBen Goz int pqm_init(struct process_queue_manager *pqm, struct kfd_process *p); 71145102048SBen Goz void pqm_uninit(struct process_queue_manager *pqm); 71245102048SBen Goz int pqm_create_queue(struct process_queue_manager *pqm, 71345102048SBen Goz struct kfd_dev *dev, 71445102048SBen Goz struct file *f, 71545102048SBen Goz struct queue_properties *properties, 71645102048SBen Goz unsigned int *qid); 71745102048SBen Goz int pqm_destroy_queue(struct process_queue_manager *pqm, unsigned int qid); 71845102048SBen Goz int pqm_update_queue(struct process_queue_manager *pqm, unsigned int qid, 71945102048SBen Goz struct queue_properties *p); 720fbeb661bSYair Shachar struct kernel_queue *pqm_get_kernel_queue(struct process_queue_manager *pqm, 721fbeb661bSYair Shachar unsigned int qid); 72245102048SBen Goz 723788bf83dSYair Shachar int amdkfd_fence_wait_timeout(unsigned int *fence_addr, 724788bf83dSYair Shachar unsigned int fence_value, 7258c72c3d7SYong Zhao unsigned int timeout_ms); 726788bf83dSYair Shachar 727ed6e6a34SBen Goz /* Packet Manager */ 728ed6e6a34SBen Goz 72964c7f8cfSBen Goz #define KFD_FENCE_COMPLETED (100) 73064c7f8cfSBen Goz #define KFD_FENCE_INIT (10) 731241f24f8SBen Goz 732ed6e6a34SBen Goz struct packet_manager { 733ed6e6a34SBen Goz struct device_queue_manager *dqm; 734ed6e6a34SBen Goz struct kernel_queue *priv_queue; 735ed6e6a34SBen Goz struct mutex lock; 736ed6e6a34SBen Goz bool allocated; 737ed6e6a34SBen Goz struct kfd_mem_obj *ib_buffer_obj; 738ed6e6a34SBen Goz }; 739ed6e6a34SBen Goz 74064c7f8cfSBen Goz int pm_init(struct packet_manager *pm, struct device_queue_manager *dqm); 74164c7f8cfSBen Goz void pm_uninit(struct packet_manager *pm); 74264c7f8cfSBen Goz int pm_send_set_resources(struct packet_manager *pm, 74364c7f8cfSBen Goz struct scheduling_resources *res); 74464c7f8cfSBen Goz int pm_send_runlist(struct packet_manager *pm, struct list_head *dqm_queues); 74564c7f8cfSBen Goz int pm_send_query_status(struct packet_manager *pm, uint64_t fence_address, 74664c7f8cfSBen Goz uint32_t fence_value); 74764c7f8cfSBen Goz 74864c7f8cfSBen Goz int pm_send_unmap_queue(struct packet_manager *pm, enum kfd_queue_type type, 7497da2bcf8SYong Zhao enum kfd_unmap_queues_filter mode, 75064c7f8cfSBen Goz uint32_t filter_param, bool reset, 75164c7f8cfSBen Goz unsigned int sdma_engine); 75264c7f8cfSBen Goz 753241f24f8SBen Goz void pm_release_ib(struct packet_manager *pm); 754241f24f8SBen Goz 75519f6d2a6SOded Gabbay uint64_t kfd_get_number_elems(struct kfd_dev *kfd); 75619f6d2a6SOded Gabbay 757f3a39818SAndrew Lewycky /* Events */ 758f3a39818SAndrew Lewycky extern const struct kfd_event_interrupt_class event_interrupt_class_cik; 759930c5ff4SAlexey Skidanov extern const struct kfd_device_global_init_class device_global_init_class_cik; 760f3a39818SAndrew Lewycky 761f3a39818SAndrew Lewycky void kfd_event_init_process(struct kfd_process *p); 762f3a39818SAndrew Lewycky void kfd_event_free_process(struct kfd_process *p); 763f3a39818SAndrew Lewycky int kfd_event_mmap(struct kfd_process *process, struct vm_area_struct *vma); 764f3a39818SAndrew Lewycky int kfd_wait_on_events(struct kfd_process *p, 76559d3e8beSAlexey Skidanov uint32_t num_events, void __user *data, 766f3a39818SAndrew Lewycky bool all, uint32_t user_timeout_ms, 767fdf0c833SFelix Kuehling uint32_t *wait_result); 768f3a39818SAndrew Lewycky void kfd_signal_event_interrupt(unsigned int pasid, uint32_t partial_id, 769f3a39818SAndrew Lewycky uint32_t valid_id_bits); 77059d3e8beSAlexey Skidanov void kfd_signal_iommu_event(struct kfd_dev *dev, 77159d3e8beSAlexey Skidanov unsigned int pasid, unsigned long address, 77259d3e8beSAlexey Skidanov bool is_write_requested, bool is_execute_requested); 773930c5ff4SAlexey Skidanov void kfd_signal_hw_exception_event(unsigned int pasid); 774f3a39818SAndrew Lewycky int kfd_set_event(struct kfd_process *p, uint32_t event_id); 775f3a39818SAndrew Lewycky int kfd_reset_event(struct kfd_process *p, uint32_t event_id); 776f3a39818SAndrew Lewycky int kfd_event_create(struct file *devkfd, struct kfd_process *p, 777f3a39818SAndrew Lewycky uint32_t event_type, bool auto_reset, uint32_t node_id, 778f3a39818SAndrew Lewycky uint32_t *event_id, uint32_t *event_trigger_data, 779f3a39818SAndrew Lewycky uint64_t *event_page_offset, uint32_t *event_slot_index); 780f3a39818SAndrew Lewycky int kfd_event_destroy(struct kfd_process *p, uint32_t event_id); 781f3a39818SAndrew Lewycky 782c3447e81SBen Goz int dbgdev_wave_reset_wavefronts(struct kfd_dev *dev, struct kfd_process *p); 783c3447e81SBen Goz 7844a488a7aSOded Gabbay #endif 785