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> 36851a645eSFelix Kuehling #include <linux/seq_file.h> 375ce10687SFelix Kuehling #include <linux/kref.h> 384a488a7aSOded Gabbay #include <kgd_kfd_interface.h> 394a488a7aSOded Gabbay 40e596b903SYong Zhao #include "amd_shared.h" 41e596b903SYong Zhao 425b5c4e40SEvgeny Pinchuk #define KFD_SYSFS_FILE_MODE 0444 435b5c4e40SEvgeny Pinchuk 44a1235e10SOded Gabbay #define KFD_MMAP_DOORBELL_MASK 0x8000000000000ull 45a1235e10SOded Gabbay #define KFD_MMAP_EVENTS_MASK 0x4000000000000ull 46a1235e10SOded Gabbay #define KFD_MMAP_RESERVED_MEM_MASK 0x2000000000000ull 47f3a39818SAndrew Lewycky 48ed6e6a34SBen Goz /* 49ed6e6a34SBen Goz * When working with cp scheduler we should assign the HIQ manually or via 50ed6e6a34SBen Goz * the radeon driver to a fixed hqd slot, here are the fixed HIQ hqd slot 51ed6e6a34SBen Goz * definitions for Kaveri. In Kaveri only the first ME queues participates 52ed6e6a34SBen Goz * in the cp scheduling taking that in mind we set the HIQ slot in the 53ed6e6a34SBen Goz * second ME. 54ed6e6a34SBen Goz */ 55ed6e6a34SBen Goz #define KFD_CIK_HIQ_PIPE 4 56ed6e6a34SBen Goz #define KFD_CIK_HIQ_QUEUE 0 57ed6e6a34SBen Goz 585b5c4e40SEvgeny Pinchuk /* GPU ID hash width in bits */ 595b5c4e40SEvgeny Pinchuk #define KFD_GPU_ID_HASH_WIDTH 16 605b5c4e40SEvgeny Pinchuk 615b5c4e40SEvgeny Pinchuk /* Macro for allocating structures */ 625b5c4e40SEvgeny Pinchuk #define kfd_alloc_struct(ptr_to_struct) \ 635b5c4e40SEvgeny Pinchuk ((typeof(ptr_to_struct)) kzalloc(sizeof(*ptr_to_struct), GFP_KERNEL)) 645b5c4e40SEvgeny Pinchuk 6519f6d2a6SOded Gabbay #define KFD_MAX_NUM_OF_PROCESSES 512 66b8cbab04SOded Gabbay #define KFD_MAX_NUM_OF_QUEUES_PER_PROCESS 1024 6719f6d2a6SOded Gabbay 6819f6d2a6SOded Gabbay /* 69373d7080SFelix Kuehling * Size of the per-process TBA+TMA buffer: 2 pages 70373d7080SFelix Kuehling * 71373d7080SFelix Kuehling * The first page is the TBA used for the CWSR ISA code. The second 72373d7080SFelix Kuehling * page is used as TMA for daisy changing a user-mode trap handler. 73373d7080SFelix Kuehling */ 74373d7080SFelix Kuehling #define KFD_CWSR_TBA_TMA_SIZE (PAGE_SIZE * 2) 75373d7080SFelix Kuehling #define KFD_CWSR_TMA_OFFSET PAGE_SIZE 76373d7080SFelix Kuehling 77373d7080SFelix Kuehling /* 78b8cbab04SOded Gabbay * Kernel module parameter to specify maximum number of supported queues per 79b8cbab04SOded Gabbay * device 8019f6d2a6SOded Gabbay */ 81b8cbab04SOded Gabbay extern int max_num_of_queues_per_device; 8219f6d2a6SOded Gabbay 83b8cbab04SOded Gabbay #define KFD_MAX_NUM_OF_QUEUES_PER_DEVICE_DEFAULT 4096 84b8cbab04SOded Gabbay #define KFD_MAX_NUM_OF_QUEUES_PER_DEVICE \ 85b8cbab04SOded Gabbay (KFD_MAX_NUM_OF_PROCESSES * \ 86b8cbab04SOded Gabbay KFD_MAX_NUM_OF_QUEUES_PER_PROCESS) 8719f6d2a6SOded Gabbay 88ed6e6a34SBen Goz #define KFD_KERNEL_QUEUE_SIZE 2048 89ed6e6a34SBen Goz 9031c21fecSBen Goz /* Kernel module parameter to specify the scheduling policy */ 9131c21fecSBen Goz extern int sched_policy; 9231c21fecSBen Goz 93a99c6d4fSFelix Kuehling /* 94a99c6d4fSFelix Kuehling * Kernel module parameter to specify the maximum process 95a99c6d4fSFelix Kuehling * number per HW scheduler 96a99c6d4fSFelix Kuehling */ 97a99c6d4fSFelix Kuehling extern int hws_max_conc_proc; 98a99c6d4fSFelix Kuehling 99373d7080SFelix Kuehling extern int cwsr_enable; 100373d7080SFelix Kuehling 10181663016SOded Gabbay /* 10281663016SOded Gabbay * Kernel module parameter to specify whether to send sigterm to HSA process on 10381663016SOded Gabbay * unhandled exception 10481663016SOded Gabbay */ 10581663016SOded Gabbay extern int send_sigterm; 10681663016SOded Gabbay 107ebcfd1e2SFelix Kuehling /* 108374200b1SFelix Kuehling * This kernel module is used to simulate large bar machine on non-large bar 109374200b1SFelix Kuehling * enabled machines. 110374200b1SFelix Kuehling */ 111374200b1SFelix Kuehling extern int debug_largebar; 112374200b1SFelix Kuehling 113374200b1SFelix Kuehling /* 114ebcfd1e2SFelix Kuehling * Ignore CRAT table during KFD initialization, can be used to work around 115ebcfd1e2SFelix Kuehling * broken CRAT tables on some AMD systems 116ebcfd1e2SFelix Kuehling */ 117ebcfd1e2SFelix Kuehling extern int ignore_crat; 118ebcfd1e2SFelix Kuehling 11931c21fecSBen Goz /** 12031c21fecSBen Goz * enum kfd_sched_policy 12131c21fecSBen Goz * 12231c21fecSBen Goz * @KFD_SCHED_POLICY_HWS: H/W scheduling policy known as command processor (cp) 12331c21fecSBen Goz * scheduling. In this scheduling mode we're using the firmware code to 12431c21fecSBen Goz * schedule the user mode queues and kernel queues such as HIQ and DIQ. 12531c21fecSBen Goz * the HIQ queue is used as a special queue that dispatches the configuration 12631c21fecSBen Goz * to the cp and the user mode queues list that are currently running. 12731c21fecSBen Goz * the DIQ queue is a debugging queue that dispatches debugging commands to the 12831c21fecSBen Goz * firmware. 12931c21fecSBen Goz * in this scheduling mode user mode queues over subscription feature is 13031c21fecSBen Goz * enabled. 13131c21fecSBen Goz * 13231c21fecSBen Goz * @KFD_SCHED_POLICY_HWS_NO_OVERSUBSCRIPTION: The same as above but the over 13331c21fecSBen Goz * subscription feature disabled. 13431c21fecSBen Goz * 13531c21fecSBen Goz * @KFD_SCHED_POLICY_NO_HWS: no H/W scheduling policy is a mode which directly 13631c21fecSBen Goz * set the command processor registers and sets the queues "manually". This 13731c21fecSBen Goz * mode is used *ONLY* for debugging proposes. 13831c21fecSBen Goz * 13931c21fecSBen Goz */ 14031c21fecSBen Goz enum kfd_sched_policy { 14131c21fecSBen Goz KFD_SCHED_POLICY_HWS = 0, 14231c21fecSBen Goz KFD_SCHED_POLICY_HWS_NO_OVERSUBSCRIPTION, 14331c21fecSBen Goz KFD_SCHED_POLICY_NO_HWS 14431c21fecSBen Goz }; 14531c21fecSBen Goz 146ed6e6a34SBen Goz enum cache_policy { 147ed6e6a34SBen Goz cache_policy_coherent, 148ed6e6a34SBen Goz cache_policy_noncoherent 149ed6e6a34SBen Goz }; 150ed6e6a34SBen Goz 151f3a39818SAndrew Lewycky struct kfd_event_interrupt_class { 152f3a39818SAndrew Lewycky bool (*interrupt_isr)(struct kfd_dev *dev, 153f3a39818SAndrew Lewycky const uint32_t *ih_ring_entry); 154f3a39818SAndrew Lewycky void (*interrupt_wq)(struct kfd_dev *dev, 155f3a39818SAndrew Lewycky const uint32_t *ih_ring_entry); 156f3a39818SAndrew Lewycky }; 157f3a39818SAndrew Lewycky 1584a488a7aSOded Gabbay struct kfd_device_info { 159e596b903SYong Zhao enum amd_asic_type asic_family; 160f3a39818SAndrew Lewycky const struct kfd_event_interrupt_class *event_interrupt_class; 1614a488a7aSOded Gabbay unsigned int max_pasid_bits; 162992839adSYair Shachar unsigned int max_no_of_hqd; 163ada2b29cSFelix Kuehling unsigned int doorbell_size; 1644a488a7aSOded Gabbay size_t ih_ring_entry_size; 165f7c826adSAlexey Skidanov uint8_t num_of_watch_points; 16619f6d2a6SOded Gabbay uint16_t mqd_size_aligned; 167373d7080SFelix Kuehling bool supports_cwsr; 16864d1c3a4SFelix Kuehling bool needs_iommu_device; 1693ee2d00cSFelix Kuehling bool needs_pci_atomics; 1704a488a7aSOded Gabbay }; 1714a488a7aSOded Gabbay 17236b5c08fSOded Gabbay struct kfd_mem_obj { 17336b5c08fSOded Gabbay uint32_t range_start; 17436b5c08fSOded Gabbay uint32_t range_end; 17536b5c08fSOded Gabbay uint64_t gpu_addr; 17636b5c08fSOded Gabbay uint32_t *cpu_ptr; 17736b5c08fSOded Gabbay }; 17836b5c08fSOded Gabbay 17944008d7aSYong Zhao struct kfd_vmid_info { 18044008d7aSYong Zhao uint32_t first_vmid_kfd; 18144008d7aSYong Zhao uint32_t last_vmid_kfd; 18244008d7aSYong Zhao uint32_t vmid_num_kfd; 18344008d7aSYong Zhao }; 18444008d7aSYong Zhao 1854a488a7aSOded Gabbay struct kfd_dev { 1864a488a7aSOded Gabbay struct kgd_dev *kgd; 1874a488a7aSOded Gabbay 1884a488a7aSOded Gabbay const struct kfd_device_info *device_info; 1894a488a7aSOded Gabbay struct pci_dev *pdev; 1904a488a7aSOded Gabbay 1914a488a7aSOded Gabbay unsigned int id; /* topology stub index */ 1924a488a7aSOded Gabbay 19319f6d2a6SOded Gabbay phys_addr_t doorbell_base; /* Start of actual doorbells used by 19419f6d2a6SOded Gabbay * KFD. It is aligned for mapping 19519f6d2a6SOded Gabbay * into user mode 19619f6d2a6SOded Gabbay */ 19719f6d2a6SOded Gabbay size_t doorbell_id_offset; /* Doorbell offset (from KFD doorbell 19819f6d2a6SOded Gabbay * to HW doorbell, GFX reserved some 19919f6d2a6SOded Gabbay * at the start) 20019f6d2a6SOded Gabbay */ 20119f6d2a6SOded Gabbay u32 __iomem *doorbell_kernel_ptr; /* This is a pointer for a doorbells 20219f6d2a6SOded Gabbay * page used by kernel queue 20319f6d2a6SOded Gabbay */ 20419f6d2a6SOded Gabbay 2054a488a7aSOded Gabbay struct kgd2kfd_shared_resources shared_resources; 20644008d7aSYong Zhao struct kfd_vmid_info vm_info; 2074a488a7aSOded Gabbay 208cea405b1SXihan Zhang const struct kfd2kgd_calls *kfd2kgd; 209cea405b1SXihan Zhang struct mutex doorbell_mutex; 210f761d8bdSJoe Perches DECLARE_BITMAP(doorbell_available_index, 211f761d8bdSJoe Perches KFD_MAX_NUM_OF_QUEUES_PER_PROCESS); 212cea405b1SXihan Zhang 21336b5c08fSOded Gabbay void *gtt_mem; 21436b5c08fSOded Gabbay uint64_t gtt_start_gpu_addr; 21536b5c08fSOded Gabbay void *gtt_start_cpu_ptr; 21636b5c08fSOded Gabbay void *gtt_sa_bitmap; 21736b5c08fSOded Gabbay struct mutex gtt_sa_lock; 21836b5c08fSOded Gabbay unsigned int gtt_sa_chunk_size; 21936b5c08fSOded Gabbay unsigned int gtt_sa_num_of_chunks; 22036b5c08fSOded Gabbay 2212249d558SAndrew Lewycky /* Interrupts */ 22204ad47bdSAndres Rodriguez struct kfifo ih_fifo; 22348e876a2SAndres Rodriguez struct workqueue_struct *ih_wq; 2242249d558SAndrew Lewycky struct work_struct interrupt_work; 2252249d558SAndrew Lewycky spinlock_t interrupt_lock; 2262249d558SAndrew Lewycky 227ed6e6a34SBen Goz /* QCM Device instance */ 228ed6e6a34SBen Goz struct device_queue_manager *dqm; 2294a488a7aSOded Gabbay 230ed6e6a34SBen Goz bool init_complete; 2312249d558SAndrew Lewycky /* 2322249d558SAndrew Lewycky * Interrupts of interest to KFD are copied 2332249d558SAndrew Lewycky * from the HW ring into a SW ring. 2342249d558SAndrew Lewycky */ 2352249d558SAndrew Lewycky bool interrupts_active; 236fbeb661bSYair Shachar 237fbeb661bSYair Shachar /* Debug manager */ 238fbeb661bSYair Shachar struct kfd_dbgmgr *dbgmgr; 239373d7080SFelix Kuehling 240a99c6d4fSFelix Kuehling /* Maximum process number mapped to HW scheduler */ 241a99c6d4fSFelix Kuehling unsigned int max_proc_per_quantum; 242a99c6d4fSFelix Kuehling 243373d7080SFelix Kuehling /* CWSR */ 244373d7080SFelix Kuehling bool cwsr_enabled; 245373d7080SFelix Kuehling const void *cwsr_isa; 246373d7080SFelix Kuehling unsigned int cwsr_isa_size; 2474a488a7aSOded Gabbay }; 2484a488a7aSOded Gabbay 2494a488a7aSOded Gabbay /* KGD2KFD callbacks */ 2504a488a7aSOded Gabbay void kgd2kfd_exit(void); 251cea405b1SXihan Zhang struct kfd_dev *kgd2kfd_probe(struct kgd_dev *kgd, 252cea405b1SXihan Zhang struct pci_dev *pdev, const struct kfd2kgd_calls *f2g); 2534a488a7aSOded Gabbay bool kgd2kfd_device_init(struct kfd_dev *kfd, 2544a488a7aSOded Gabbay const struct kgd2kfd_shared_resources *gpu_resources); 2554a488a7aSOded Gabbay void kgd2kfd_device_exit(struct kfd_dev *kfd); 2564a488a7aSOded Gabbay 25719f6d2a6SOded Gabbay enum kfd_mempool { 25819f6d2a6SOded Gabbay KFD_MEMPOOL_SYSTEM_CACHEABLE = 1, 25919f6d2a6SOded Gabbay KFD_MEMPOOL_SYSTEM_WRITECOMBINE = 2, 26019f6d2a6SOded Gabbay KFD_MEMPOOL_FRAMEBUFFER = 3, 26119f6d2a6SOded Gabbay }; 26219f6d2a6SOded Gabbay 2634a488a7aSOded Gabbay /* Character device interface */ 2644a488a7aSOded Gabbay int kfd_chardev_init(void); 2654a488a7aSOded Gabbay void kfd_chardev_exit(void); 2664a488a7aSOded Gabbay struct device *kfd_chardev(void); 2674a488a7aSOded Gabbay 268241f24f8SBen Goz /** 2697da2bcf8SYong Zhao * enum kfd_unmap_queues_filter 270241f24f8SBen Goz * 2717da2bcf8SYong Zhao * @KFD_UNMAP_QUEUES_FILTER_SINGLE_QUEUE: Preempts single queue. 272241f24f8SBen Goz * 2737da2bcf8SYong Zhao * @KFD_UNMAP_QUEUES_FILTER_ALL_QUEUES: Preempts all queues in the 274241f24f8SBen Goz * running queues list. 275241f24f8SBen Goz * 2767da2bcf8SYong Zhao * @KFD_UNMAP_QUEUES_FILTER_BY_PASID: Preempts queues that belongs to 277241f24f8SBen Goz * specific process. 278241f24f8SBen Goz * 279241f24f8SBen Goz */ 2807da2bcf8SYong Zhao enum kfd_unmap_queues_filter { 2817da2bcf8SYong Zhao KFD_UNMAP_QUEUES_FILTER_SINGLE_QUEUE, 2827da2bcf8SYong Zhao KFD_UNMAP_QUEUES_FILTER_ALL_QUEUES, 2837da2bcf8SYong Zhao KFD_UNMAP_QUEUES_FILTER_DYNAMIC_QUEUES, 2847da2bcf8SYong Zhao KFD_UNMAP_QUEUES_FILTER_BY_PASID 285241f24f8SBen Goz }; 28619f6d2a6SOded Gabbay 287ed8aab45SBen Goz /** 288ed8aab45SBen Goz * enum kfd_queue_type 289ed8aab45SBen Goz * 290ed8aab45SBen Goz * @KFD_QUEUE_TYPE_COMPUTE: Regular user mode queue type. 291ed8aab45SBen Goz * 292ed8aab45SBen Goz * @KFD_QUEUE_TYPE_SDMA: Sdma user mode queue type. 293ed8aab45SBen Goz * 294ed8aab45SBen Goz * @KFD_QUEUE_TYPE_HIQ: HIQ queue type. 295ed8aab45SBen Goz * 296ed8aab45SBen Goz * @KFD_QUEUE_TYPE_DIQ: DIQ queue type. 297ed8aab45SBen Goz */ 298ed8aab45SBen Goz enum kfd_queue_type { 299ed8aab45SBen Goz KFD_QUEUE_TYPE_COMPUTE, 300ed8aab45SBen Goz KFD_QUEUE_TYPE_SDMA, 301ed8aab45SBen Goz KFD_QUEUE_TYPE_HIQ, 302ed8aab45SBen Goz KFD_QUEUE_TYPE_DIQ 303ed8aab45SBen Goz }; 304ed8aab45SBen Goz 3056e99df57SBen Goz enum kfd_queue_format { 3066e99df57SBen Goz KFD_QUEUE_FORMAT_PM4, 3076e99df57SBen Goz KFD_QUEUE_FORMAT_AQL 3086e99df57SBen Goz }; 3096e99df57SBen Goz 310ed8aab45SBen Goz /** 311ed8aab45SBen Goz * struct queue_properties 312ed8aab45SBen Goz * 313ed8aab45SBen Goz * @type: The queue type. 314ed8aab45SBen Goz * 315ed8aab45SBen Goz * @queue_id: Queue identifier. 316ed8aab45SBen Goz * 317ed8aab45SBen Goz * @queue_address: Queue ring buffer address. 318ed8aab45SBen Goz * 319ed8aab45SBen Goz * @queue_size: Queue ring buffer size. 320ed8aab45SBen Goz * 321ed8aab45SBen Goz * @priority: Defines the queue priority relative to other queues in the 322ed8aab45SBen Goz * process. 323ed8aab45SBen Goz * This is just an indication and HW scheduling may override the priority as 324ed8aab45SBen Goz * necessary while keeping the relative prioritization. 325ed8aab45SBen Goz * the priority granularity is from 0 to f which f is the highest priority. 326ed8aab45SBen Goz * currently all queues are initialized with the highest priority. 327ed8aab45SBen Goz * 328ed8aab45SBen Goz * @queue_percent: This field is partially implemented and currently a zero in 329ed8aab45SBen Goz * this field defines that the queue is non active. 330ed8aab45SBen Goz * 331ed8aab45SBen Goz * @read_ptr: User space address which points to the number of dwords the 332ed8aab45SBen Goz * cp read from the ring buffer. This field updates automatically by the H/W. 333ed8aab45SBen Goz * 334ed8aab45SBen Goz * @write_ptr: Defines the number of dwords written to the ring buffer. 335ed8aab45SBen Goz * 336ed8aab45SBen Goz * @doorbell_ptr: This field aim is to notify the H/W of new packet written to 3378eabaf54SKent Russell * the queue ring buffer. This field should be similar to write_ptr and the 3388eabaf54SKent Russell * user should update this field after he updated the write_ptr. 339ed8aab45SBen Goz * 340ed8aab45SBen Goz * @doorbell_off: The doorbell offset in the doorbell pci-bar. 341ed8aab45SBen Goz * 3428eabaf54SKent Russell * @is_interop: Defines if this is a interop queue. Interop queue means that 3438eabaf54SKent Russell * the queue can access both graphics and compute resources. 344ed8aab45SBen Goz * 34526103436SFelix Kuehling * @is_evicted: Defines if the queue is evicted. Only active queues 34626103436SFelix Kuehling * are evicted, rendering them inactive. 34726103436SFelix Kuehling * 34826103436SFelix Kuehling * @is_active: Defines if the queue is active or not. @is_active and 34926103436SFelix Kuehling * @is_evicted are protected by the DQM lock. 350ed8aab45SBen Goz * 351ed8aab45SBen Goz * @vmid: If the scheduling mode is no cp scheduling the field defines the vmid 352ed8aab45SBen Goz * of the queue. 353ed8aab45SBen Goz * 354ed8aab45SBen Goz * This structure represents the queue properties for each queue no matter if 355ed8aab45SBen Goz * it's user mode or kernel mode queue. 356ed8aab45SBen Goz * 357ed8aab45SBen Goz */ 358ed8aab45SBen Goz struct queue_properties { 359ed8aab45SBen Goz enum kfd_queue_type type; 3606e99df57SBen Goz enum kfd_queue_format format; 361ed8aab45SBen Goz unsigned int queue_id; 362ed8aab45SBen Goz uint64_t queue_address; 363ed8aab45SBen Goz uint64_t queue_size; 364ed8aab45SBen Goz uint32_t priority; 365ed8aab45SBen Goz uint32_t queue_percent; 366ed8aab45SBen Goz uint32_t *read_ptr; 367ed8aab45SBen Goz uint32_t *write_ptr; 368ada2b29cSFelix Kuehling void __iomem *doorbell_ptr; 369ed8aab45SBen Goz uint32_t doorbell_off; 370ed8aab45SBen Goz bool is_interop; 37126103436SFelix Kuehling bool is_evicted; 372ed8aab45SBen Goz bool is_active; 373ed8aab45SBen Goz /* Not relevant for user mode queues in cp scheduling */ 374ed8aab45SBen Goz unsigned int vmid; 37577669eb8SBen Goz /* Relevant only for sdma queues*/ 37677669eb8SBen Goz uint32_t sdma_engine_id; 37777669eb8SBen Goz uint32_t sdma_queue_id; 37877669eb8SBen Goz uint32_t sdma_vm_addr; 379ff3d04a1SBen Goz /* Relevant only for VI */ 380ff3d04a1SBen Goz uint64_t eop_ring_buffer_address; 381ff3d04a1SBen Goz uint32_t eop_ring_buffer_size; 382ff3d04a1SBen Goz uint64_t ctx_save_restore_area_address; 383ff3d04a1SBen Goz uint32_t ctx_save_restore_area_size; 384373d7080SFelix Kuehling uint32_t ctl_stack_size; 385373d7080SFelix Kuehling uint64_t tba_addr; 386373d7080SFelix Kuehling uint64_t tma_addr; 387ed8aab45SBen Goz }; 388ed8aab45SBen Goz 389ed8aab45SBen Goz /** 390ed8aab45SBen Goz * struct queue 391ed8aab45SBen Goz * 392ed8aab45SBen Goz * @list: Queue linked list. 393ed8aab45SBen Goz * 394ed8aab45SBen Goz * @mqd: The queue MQD. 395ed8aab45SBen Goz * 396ed8aab45SBen Goz * @mqd_mem_obj: The MQD local gpu memory object. 397ed8aab45SBen Goz * 398ed8aab45SBen Goz * @gart_mqd_addr: The MQD gart mc address. 399ed8aab45SBen Goz * 400ed8aab45SBen Goz * @properties: The queue properties. 401ed8aab45SBen Goz * 402ed8aab45SBen Goz * @mec: Used only in no cp scheduling mode and identifies to micro engine id 403ed8aab45SBen Goz * that the queue should be execute on. 404ed8aab45SBen Goz * 4058eabaf54SKent Russell * @pipe: Used only in no cp scheduling mode and identifies the queue's pipe 4068eabaf54SKent Russell * id. 407ed8aab45SBen Goz * 408ed8aab45SBen Goz * @queue: Used only in no cp scheduliong mode and identifies the queue's slot. 409ed8aab45SBen Goz * 410ed8aab45SBen Goz * @process: The kfd process that created this queue. 411ed8aab45SBen Goz * 412ed8aab45SBen Goz * @device: The kfd device that created this queue. 413ed8aab45SBen Goz * 414ed8aab45SBen Goz * This structure represents user mode compute queues. 415ed8aab45SBen Goz * It contains all the necessary data to handle such queues. 416ed8aab45SBen Goz * 417ed8aab45SBen Goz */ 418ed8aab45SBen Goz 419ed8aab45SBen Goz struct queue { 420ed8aab45SBen Goz struct list_head list; 421ed8aab45SBen Goz void *mqd; 422ed8aab45SBen Goz struct kfd_mem_obj *mqd_mem_obj; 423ed8aab45SBen Goz uint64_t gart_mqd_addr; 424ed8aab45SBen Goz struct queue_properties properties; 425ed8aab45SBen Goz 426ed8aab45SBen Goz uint32_t mec; 427ed8aab45SBen Goz uint32_t pipe; 428ed8aab45SBen Goz uint32_t queue; 429ed8aab45SBen Goz 43077669eb8SBen Goz unsigned int sdma_id; 43177669eb8SBen Goz 432ed8aab45SBen Goz struct kfd_process *process; 433ed8aab45SBen Goz struct kfd_dev *device; 434ed8aab45SBen Goz }; 435ed8aab45SBen Goz 4366e99df57SBen Goz /* 4376e99df57SBen Goz * Please read the kfd_mqd_manager.h description. 4386e99df57SBen Goz */ 4396e99df57SBen Goz enum KFD_MQD_TYPE { 44085d258f9SBen Goz KFD_MQD_TYPE_COMPUTE = 0, /* for no cp scheduling */ 44185d258f9SBen Goz KFD_MQD_TYPE_HIQ, /* for hiq */ 44285d258f9SBen Goz KFD_MQD_TYPE_CP, /* for cp queues and diq */ 44385d258f9SBen Goz KFD_MQD_TYPE_SDMA, /* for sdma queues */ 4446e99df57SBen Goz KFD_MQD_TYPE_MAX 4456e99df57SBen Goz }; 4466e99df57SBen Goz 447241f24f8SBen Goz struct scheduling_resources { 448241f24f8SBen Goz unsigned int vmid_mask; 449241f24f8SBen Goz enum kfd_queue_type type; 450241f24f8SBen Goz uint64_t queue_mask; 451241f24f8SBen Goz uint64_t gws_mask; 452241f24f8SBen Goz uint32_t oac_mask; 453241f24f8SBen Goz uint32_t gds_heap_base; 454241f24f8SBen Goz uint32_t gds_heap_size; 455241f24f8SBen Goz }; 456241f24f8SBen Goz 457241f24f8SBen Goz struct process_queue_manager { 458241f24f8SBen Goz /* data */ 459241f24f8SBen Goz struct kfd_process *process; 460241f24f8SBen Goz struct list_head queues; 461241f24f8SBen Goz unsigned long *queue_slot_bitmap; 462241f24f8SBen Goz }; 463241f24f8SBen Goz 464241f24f8SBen Goz struct qcm_process_device { 465241f24f8SBen Goz /* The Device Queue Manager that owns this data */ 466241f24f8SBen Goz struct device_queue_manager *dqm; 467241f24f8SBen Goz struct process_queue_manager *pqm; 468241f24f8SBen Goz /* Queues list */ 469241f24f8SBen Goz struct list_head queues_list; 470241f24f8SBen Goz struct list_head priv_queue_list; 471241f24f8SBen Goz 472241f24f8SBen Goz unsigned int queue_count; 473241f24f8SBen Goz unsigned int vmid; 474241f24f8SBen Goz bool is_debug; 47526103436SFelix Kuehling unsigned int evicted; /* eviction counter, 0=active */ 4769fd3f1bfSFelix Kuehling 4779fd3f1bfSFelix Kuehling /* This flag tells if we should reset all wavefronts on 4789fd3f1bfSFelix Kuehling * process termination 4799fd3f1bfSFelix Kuehling */ 4809fd3f1bfSFelix Kuehling bool reset_wavefronts; 4819fd3f1bfSFelix Kuehling 482241f24f8SBen Goz /* 483241f24f8SBen Goz * All the memory management data should be here too 484241f24f8SBen Goz */ 485241f24f8SBen Goz uint64_t gds_context_area; 486241f24f8SBen Goz uint32_t sh_mem_config; 487241f24f8SBen Goz uint32_t sh_mem_bases; 488241f24f8SBen Goz uint32_t sh_mem_ape1_base; 489241f24f8SBen Goz uint32_t sh_mem_ape1_limit; 490241f24f8SBen Goz uint32_t page_table_base; 491241f24f8SBen Goz uint32_t gds_size; 492241f24f8SBen Goz uint32_t num_gws; 493241f24f8SBen Goz uint32_t num_oac; 4946a1c9510SMoses Reuben uint32_t sh_hidden_private_base; 495373d7080SFelix Kuehling 496373d7080SFelix Kuehling /* CWSR memory */ 497373d7080SFelix Kuehling void *cwsr_kaddr; 498d01994c2SFelix Kuehling uint64_t cwsr_base; 499373d7080SFelix Kuehling uint64_t tba_addr; 500373d7080SFelix Kuehling uint64_t tma_addr; 501d01994c2SFelix Kuehling 502d01994c2SFelix Kuehling /* IB memory */ 503d01994c2SFelix Kuehling uint64_t ib_base; 504552764b6SFelix Kuehling void *ib_kaddr; 505241f24f8SBen Goz }; 506241f24f8SBen Goz 50726103436SFelix Kuehling /* KFD Memory Eviction */ 50826103436SFelix Kuehling 50926103436SFelix Kuehling /* Approx. wait time before attempting to restore evicted BOs */ 51026103436SFelix Kuehling #define PROCESS_RESTORE_TIME_MS 100 51126103436SFelix Kuehling /* Approx. back off time if restore fails due to lack of memory */ 51226103436SFelix Kuehling #define PROCESS_BACK_OFF_TIME_MS 100 51326103436SFelix Kuehling /* Approx. time before evicting the process again */ 51426103436SFelix Kuehling #define PROCESS_ACTIVE_TIME_MS 10 51526103436SFelix Kuehling 5166b95e797SFelix Kuehling int kgd2kfd_quiesce_mm(struct mm_struct *mm); 5176b95e797SFelix Kuehling int kgd2kfd_resume_mm(struct mm_struct *mm); 51826103436SFelix Kuehling int kgd2kfd_schedule_evict_and_restore_process(struct mm_struct *mm, 51926103436SFelix Kuehling struct dma_fence *fence); 520733fa1f7SYong Zhao 5215ec7e028SFelix Kuehling /* 8 byte handle containing GPU ID in the most significant 4 bytes and 5225ec7e028SFelix Kuehling * idr_handle in the least significant 4 bytes 5235ec7e028SFelix Kuehling */ 5245ec7e028SFelix Kuehling #define MAKE_HANDLE(gpu_id, idr_handle) \ 5255ec7e028SFelix Kuehling (((uint64_t)(gpu_id) << 32) + idr_handle) 5265ec7e028SFelix Kuehling #define GET_GPU_ID(handle) (handle >> 32) 5275ec7e028SFelix Kuehling #define GET_IDR_HANDLE(handle) (handle & 0xFFFFFFFF) 5285ec7e028SFelix Kuehling 529733fa1f7SYong Zhao enum kfd_pdd_bound { 530733fa1f7SYong Zhao PDD_UNBOUND = 0, 531733fa1f7SYong Zhao PDD_BOUND, 532733fa1f7SYong Zhao PDD_BOUND_SUSPENDED, 533733fa1f7SYong Zhao }; 534733fa1f7SYong Zhao 53519f6d2a6SOded Gabbay /* Data that is per-process-per device. */ 53619f6d2a6SOded Gabbay struct kfd_process_device { 53719f6d2a6SOded Gabbay /* 53819f6d2a6SOded Gabbay * List of all per-device data for a process. 53919f6d2a6SOded Gabbay * Starts from kfd_process.per_device_data. 54019f6d2a6SOded Gabbay */ 54119f6d2a6SOded Gabbay struct list_head per_device_list; 54219f6d2a6SOded Gabbay 54319f6d2a6SOded Gabbay /* The device that owns this data. */ 54419f6d2a6SOded Gabbay struct kfd_dev *dev; 54519f6d2a6SOded Gabbay 5469fd3f1bfSFelix Kuehling /* The process that owns this kfd_process_device. */ 5479fd3f1bfSFelix Kuehling struct kfd_process *process; 54819f6d2a6SOded Gabbay 54945102048SBen Goz /* per-process-per device QCM data structure */ 55045102048SBen Goz struct qcm_process_device qpd; 55145102048SBen Goz 55219f6d2a6SOded Gabbay /*Apertures*/ 55319f6d2a6SOded Gabbay uint64_t lds_base; 55419f6d2a6SOded Gabbay uint64_t lds_limit; 55519f6d2a6SOded Gabbay uint64_t gpuvm_base; 55619f6d2a6SOded Gabbay uint64_t gpuvm_limit; 55719f6d2a6SOded Gabbay uint64_t scratch_base; 55819f6d2a6SOded Gabbay uint64_t scratch_limit; 55919f6d2a6SOded Gabbay 560403575c4SFelix Kuehling /* VM context for GPUVM allocations */ 561b84394e2SFelix Kuehling struct file *drm_file; 562403575c4SFelix Kuehling void *vm; 563403575c4SFelix Kuehling 56452b29d73SFelix Kuehling /* GPUVM allocations storage */ 56552b29d73SFelix Kuehling struct idr alloc_idr; 56652b29d73SFelix Kuehling 5679fd3f1bfSFelix Kuehling /* Flag used to tell the pdd has dequeued from the dqm. 5689fd3f1bfSFelix Kuehling * This is used to prevent dev->dqm->ops.process_termination() from 5699fd3f1bfSFelix Kuehling * being called twice when it is already called in IOMMU callback 5709fd3f1bfSFelix Kuehling * function. 571a82918f1SBen Goz */ 5729fd3f1bfSFelix Kuehling bool already_dequeued; 57364d1c3a4SFelix Kuehling 57464d1c3a4SFelix Kuehling /* Is this process/pasid bound to this device? (amd_iommu_bind_pasid) */ 57564d1c3a4SFelix Kuehling enum kfd_pdd_bound bound; 57619f6d2a6SOded Gabbay }; 57719f6d2a6SOded Gabbay 57852a5fdceSAlexey Skidanov #define qpd_to_pdd(x) container_of(x, struct kfd_process_device, qpd) 57952a5fdceSAlexey Skidanov 5804a488a7aSOded Gabbay /* Process data */ 5814a488a7aSOded Gabbay struct kfd_process { 58219f6d2a6SOded Gabbay /* 58319f6d2a6SOded Gabbay * kfd_process are stored in an mm_struct*->kfd_process* 58419f6d2a6SOded Gabbay * hash table (kfd_processes in kfd_process.c) 58519f6d2a6SOded Gabbay */ 58619f6d2a6SOded Gabbay struct hlist_node kfd_processes; 58719f6d2a6SOded Gabbay 5889b56bb11SFelix Kuehling /* 5899b56bb11SFelix Kuehling * Opaque pointer to mm_struct. We don't hold a reference to 5909b56bb11SFelix Kuehling * it so it should never be dereferenced from here. This is 5919b56bb11SFelix Kuehling * only used for looking up processes by their mm. 5929b56bb11SFelix Kuehling */ 5939b56bb11SFelix Kuehling void *mm; 59419f6d2a6SOded Gabbay 5955ce10687SFelix Kuehling struct kref ref; 5965ce10687SFelix Kuehling struct work_struct release_work; 5975ce10687SFelix Kuehling 59819f6d2a6SOded Gabbay struct mutex mutex; 59919f6d2a6SOded Gabbay 60019f6d2a6SOded Gabbay /* 60119f6d2a6SOded Gabbay * In any process, the thread that started main() is the lead 60219f6d2a6SOded Gabbay * thread and outlives the rest. 60319f6d2a6SOded Gabbay * It is here because amd_iommu_bind_pasid wants a task_struct. 604894a8293SFelix Kuehling * It can also be used for safely getting a reference to the 605894a8293SFelix Kuehling * mm_struct of the process. 60619f6d2a6SOded Gabbay */ 60719f6d2a6SOded Gabbay struct task_struct *lead_thread; 60819f6d2a6SOded Gabbay 60919f6d2a6SOded Gabbay /* We want to receive a notification when the mm_struct is destroyed */ 61019f6d2a6SOded Gabbay struct mmu_notifier mmu_notifier; 61119f6d2a6SOded Gabbay 61219f6d2a6SOded Gabbay /* Use for delayed freeing of kfd_process structure */ 61319f6d2a6SOded Gabbay struct rcu_head rcu; 61419f6d2a6SOded Gabbay 61519f6d2a6SOded Gabbay unsigned int pasid; 616a91e70e3SFelix Kuehling unsigned int doorbell_index; 61719f6d2a6SOded Gabbay 61819f6d2a6SOded Gabbay /* 61919f6d2a6SOded Gabbay * List of kfd_process_device structures, 62019f6d2a6SOded Gabbay * one for each device the process is using. 62119f6d2a6SOded Gabbay */ 62219f6d2a6SOded Gabbay struct list_head per_device_data; 62319f6d2a6SOded Gabbay 62445102048SBen Goz struct process_queue_manager pqm; 62545102048SBen Goz 62619f6d2a6SOded Gabbay /*Is the user space process 32 bit?*/ 62719f6d2a6SOded Gabbay bool is_32bit_user_mode; 628f3a39818SAndrew Lewycky 629f3a39818SAndrew Lewycky /* Event-related data */ 630f3a39818SAndrew Lewycky struct mutex event_mutex; 631482f0777SFelix Kuehling /* Event ID allocator and lookup */ 632482f0777SFelix Kuehling struct idr event_idr; 63350cb7dd9SFelix Kuehling /* Event page */ 63450cb7dd9SFelix Kuehling struct kfd_signal_page *signal_page; 635b9a5d0a5SFelix Kuehling size_t signal_mapped_size; 636f3a39818SAndrew Lewycky size_t signal_event_count; 637c986169fSFelix Kuehling bool signal_event_limit_reached; 638403575c4SFelix Kuehling 639403575c4SFelix Kuehling /* Information used for memory eviction */ 640403575c4SFelix Kuehling void *kgd_process_info; 641403575c4SFelix Kuehling /* Eviction fence that is attached to all the BOs of this process. The 642403575c4SFelix Kuehling * fence will be triggered during eviction and new one will be created 643403575c4SFelix Kuehling * during restore 644403575c4SFelix Kuehling */ 645403575c4SFelix Kuehling struct dma_fence *ef; 64626103436SFelix Kuehling 64726103436SFelix Kuehling /* Work items for evicting and restoring BOs */ 64826103436SFelix Kuehling struct delayed_work eviction_work; 64926103436SFelix Kuehling struct delayed_work restore_work; 65026103436SFelix Kuehling /* seqno of the last scheduled eviction */ 65126103436SFelix Kuehling unsigned int last_eviction_seqno; 65226103436SFelix Kuehling /* Approx. the last timestamp (in jiffies) when the process was 65326103436SFelix Kuehling * restored after an eviction 65426103436SFelix Kuehling */ 65526103436SFelix Kuehling unsigned long last_restore_timestamp; 6564a488a7aSOded Gabbay }; 6574a488a7aSOded Gabbay 65864d1c3a4SFelix Kuehling #define KFD_PROCESS_TABLE_SIZE 5 /* bits: 32 entries */ 65964d1c3a4SFelix Kuehling extern DECLARE_HASHTABLE(kfd_processes_table, KFD_PROCESS_TABLE_SIZE); 66064d1c3a4SFelix Kuehling extern struct srcu_struct kfd_processes_srcu; 66164d1c3a4SFelix Kuehling 66276baee6cSOded Gabbay /** 66376baee6cSOded Gabbay * Ioctl function type. 66476baee6cSOded Gabbay * 66576baee6cSOded Gabbay * \param filep pointer to file structure. 66676baee6cSOded Gabbay * \param p amdkfd process pointer. 66776baee6cSOded Gabbay * \param data pointer to arg that was copied from user. 66876baee6cSOded Gabbay */ 66976baee6cSOded Gabbay typedef int amdkfd_ioctl_t(struct file *filep, struct kfd_process *p, 67076baee6cSOded Gabbay void *data); 67176baee6cSOded Gabbay 67276baee6cSOded Gabbay struct amdkfd_ioctl_desc { 67376baee6cSOded Gabbay unsigned int cmd; 67476baee6cSOded Gabbay int flags; 67576baee6cSOded Gabbay amdkfd_ioctl_t *func; 67676baee6cSOded Gabbay unsigned int cmd_drv; 67776baee6cSOded Gabbay const char *name; 67876baee6cSOded Gabbay }; 67976baee6cSOded Gabbay 6801679ae8fSFelix Kuehling int kfd_process_create_wq(void); 68119f6d2a6SOded Gabbay void kfd_process_destroy_wq(void); 682373d7080SFelix Kuehling struct kfd_process *kfd_create_process(struct file *filep); 68319f6d2a6SOded Gabbay struct kfd_process *kfd_get_process(const struct task_struct *); 684f3a39818SAndrew Lewycky struct kfd_process *kfd_lookup_process_by_pasid(unsigned int pasid); 68526103436SFelix Kuehling struct kfd_process *kfd_lookup_process_by_mm(const struct mm_struct *mm); 686abb208a8SFelix Kuehling void kfd_unref_process(struct kfd_process *p); 6876b95e797SFelix Kuehling int kfd_process_evict_queues(struct kfd_process *p); 6886b95e797SFelix Kuehling int kfd_process_restore_queues(struct kfd_process *p); 68926103436SFelix Kuehling void kfd_suspend_all_processes(void); 69026103436SFelix Kuehling int kfd_resume_all_processes(void); 69119f6d2a6SOded Gabbay 692b84394e2SFelix Kuehling int kfd_process_device_init_vm(struct kfd_process_device *pdd, 693b84394e2SFelix Kuehling struct file *drm_file); 69464c7f8cfSBen Goz struct kfd_process_device *kfd_bind_process_to_device(struct kfd_dev *dev, 69564c7f8cfSBen Goz struct kfd_process *p); 69619f6d2a6SOded Gabbay struct kfd_process_device *kfd_get_process_device_data(struct kfd_dev *dev, 697093c7d8cSAlexey Skidanov struct kfd_process *p); 698093c7d8cSAlexey Skidanov struct kfd_process_device *kfd_create_process_device_data(struct kfd_dev *dev, 699093c7d8cSAlexey Skidanov struct kfd_process *p); 70019f6d2a6SOded Gabbay 701373d7080SFelix Kuehling int kfd_reserved_mem_mmap(struct kfd_process *process, 702373d7080SFelix Kuehling struct vm_area_struct *vma); 703373d7080SFelix Kuehling 70452b29d73SFelix Kuehling /* KFD process API for creating and translating handles */ 70552b29d73SFelix Kuehling int kfd_process_device_create_obj_handle(struct kfd_process_device *pdd, 70652b29d73SFelix Kuehling void *mem); 70752b29d73SFelix Kuehling void *kfd_process_device_translate_handle(struct kfd_process_device *p, 70852b29d73SFelix Kuehling int handle); 70952b29d73SFelix Kuehling void kfd_process_device_remove_obj_handle(struct kfd_process_device *pdd, 71052b29d73SFelix Kuehling int handle); 71152b29d73SFelix Kuehling 712775921edSAlexey Skidanov /* Process device data iterator */ 7138eabaf54SKent Russell struct kfd_process_device *kfd_get_first_process_device_data( 7148eabaf54SKent Russell struct kfd_process *p); 7158eabaf54SKent Russell struct kfd_process_device *kfd_get_next_process_device_data( 7168eabaf54SKent Russell struct kfd_process *p, 717775921edSAlexey Skidanov struct kfd_process_device *pdd); 718775921edSAlexey Skidanov bool kfd_has_process_device_data(struct kfd_process *p); 719775921edSAlexey Skidanov 72019f6d2a6SOded Gabbay /* PASIDs */ 72119f6d2a6SOded Gabbay int kfd_pasid_init(void); 72219f6d2a6SOded Gabbay void kfd_pasid_exit(void); 72319f6d2a6SOded Gabbay bool kfd_set_pasid_limit(unsigned int new_limit); 72419f6d2a6SOded Gabbay unsigned int kfd_get_pasid_limit(void); 72519f6d2a6SOded Gabbay unsigned int kfd_pasid_alloc(void); 72619f6d2a6SOded Gabbay void kfd_pasid_free(unsigned int pasid); 72719f6d2a6SOded Gabbay 72819f6d2a6SOded Gabbay /* Doorbells */ 729735df2baSFelix Kuehling int kfd_doorbell_init(struct kfd_dev *kfd); 730735df2baSFelix Kuehling void kfd_doorbell_fini(struct kfd_dev *kfd); 73119f6d2a6SOded Gabbay int kfd_doorbell_mmap(struct kfd_process *process, struct vm_area_struct *vma); 732ada2b29cSFelix Kuehling void __iomem *kfd_get_kernel_doorbell(struct kfd_dev *kfd, 73319f6d2a6SOded Gabbay unsigned int *doorbell_off); 73419f6d2a6SOded Gabbay void kfd_release_kernel_doorbell(struct kfd_dev *kfd, u32 __iomem *db_addr); 73519f6d2a6SOded Gabbay u32 read_kernel_doorbell(u32 __iomem *db); 736ada2b29cSFelix Kuehling void write_kernel_doorbell(void __iomem *db, u32 value); 73719f6d2a6SOded Gabbay unsigned int kfd_queue_id_to_doorbell(struct kfd_dev *kfd, 73819f6d2a6SOded Gabbay struct kfd_process *process, 73919f6d2a6SOded Gabbay unsigned int queue_id); 740a91e70e3SFelix Kuehling phys_addr_t kfd_get_process_doorbells(struct kfd_dev *dev, 741a91e70e3SFelix Kuehling struct kfd_process *process); 742a91e70e3SFelix Kuehling int kfd_alloc_process_doorbells(struct kfd_process *process); 743a91e70e3SFelix Kuehling void kfd_free_process_doorbells(struct kfd_process *process); 74419f6d2a6SOded Gabbay 7456e81090bSOded Gabbay /* GTT Sub-Allocator */ 7466e81090bSOded Gabbay 7476e81090bSOded Gabbay int kfd_gtt_sa_allocate(struct kfd_dev *kfd, unsigned int size, 7486e81090bSOded Gabbay struct kfd_mem_obj **mem_obj); 7496e81090bSOded Gabbay 7506e81090bSOded Gabbay int kfd_gtt_sa_free(struct kfd_dev *kfd, struct kfd_mem_obj *mem_obj); 7516e81090bSOded Gabbay 7524a488a7aSOded Gabbay extern struct device *kfd_device; 7534a488a7aSOded Gabbay 7545b5c4e40SEvgeny Pinchuk /* Topology */ 7555b5c4e40SEvgeny Pinchuk int kfd_topology_init(void); 7565b5c4e40SEvgeny Pinchuk void kfd_topology_shutdown(void); 7575b5c4e40SEvgeny Pinchuk int kfd_topology_add_device(struct kfd_dev *gpu); 7585b5c4e40SEvgeny Pinchuk int kfd_topology_remove_device(struct kfd_dev *gpu); 7593a87177eSHarish Kasiviswanathan struct kfd_topology_device *kfd_topology_device_by_proximity_domain( 7603a87177eSHarish Kasiviswanathan uint32_t proximity_domain); 7615b5c4e40SEvgeny Pinchuk struct kfd_dev *kfd_device_by_id(uint32_t gpu_id); 7625b5c4e40SEvgeny Pinchuk struct kfd_dev *kfd_device_by_pci_dev(const struct pci_dev *pdev); 7636d82eb0eSHarish Kasiviswanathan int kfd_topology_enum_kfd_devices(uint8_t idx, struct kfd_dev **kdev); 764520b8fb7SFelix Kuehling int kfd_numa_node_to_apic_id(int numa_node_id); 7655b5c4e40SEvgeny Pinchuk 7664a488a7aSOded Gabbay /* Interrupts */ 7672249d558SAndrew Lewycky int kfd_interrupt_init(struct kfd_dev *dev); 7682249d558SAndrew Lewycky void kfd_interrupt_exit(struct kfd_dev *dev); 769b3f5e6b4SAndrew Lewycky void kgd2kfd_interrupt(struct kfd_dev *kfd, const void *ih_ring_entry); 7702249d558SAndrew Lewycky bool enqueue_ih_ring_entry(struct kfd_dev *kfd, const void *ih_ring_entry); 7712249d558SAndrew Lewycky bool interrupt_is_wanted(struct kfd_dev *dev, const uint32_t *ih_ring_entry); 7724a488a7aSOded Gabbay 7734a488a7aSOded Gabbay /* Power Management */ 774b3f5e6b4SAndrew Lewycky void kgd2kfd_suspend(struct kfd_dev *kfd); 775b3f5e6b4SAndrew Lewycky int kgd2kfd_resume(struct kfd_dev *kfd); 7764a488a7aSOded Gabbay 77719f6d2a6SOded Gabbay /* amdkfd Apertures */ 77819f6d2a6SOded Gabbay int kfd_init_apertures(struct kfd_process *process); 77919f6d2a6SOded Gabbay 780ed6e6a34SBen Goz /* Queue Context Management */ 781e88a614cSEdward O'Callaghan int init_queue(struct queue **q, const struct queue_properties *properties); 782ed6e6a34SBen Goz void uninit_queue(struct queue *q); 78345102048SBen Goz void print_queue_properties(struct queue_properties *q); 784ed6e6a34SBen Goz void print_queue(struct queue *q); 785ed6e6a34SBen Goz 78664c7f8cfSBen Goz struct mqd_manager *mqd_manager_init(enum KFD_MQD_TYPE type, 78764c7f8cfSBen Goz struct kfd_dev *dev); 7884b8f589bSBen Goz struct mqd_manager *mqd_manager_init_cik(enum KFD_MQD_TYPE type, 7894b8f589bSBen Goz struct kfd_dev *dev); 790ee04955aSFelix Kuehling struct mqd_manager *mqd_manager_init_cik_hawaii(enum KFD_MQD_TYPE type, 791ee04955aSFelix Kuehling struct kfd_dev *dev); 7924b8f589bSBen Goz struct mqd_manager *mqd_manager_init_vi(enum KFD_MQD_TYPE type, 7934b8f589bSBen Goz struct kfd_dev *dev); 794ee04955aSFelix Kuehling struct mqd_manager *mqd_manager_init_vi_tonga(enum KFD_MQD_TYPE type, 795ee04955aSFelix Kuehling struct kfd_dev *dev); 79664c7f8cfSBen Goz struct device_queue_manager *device_queue_manager_init(struct kfd_dev *dev); 79764c7f8cfSBen Goz void device_queue_manager_uninit(struct device_queue_manager *dqm); 798241f24f8SBen Goz struct kernel_queue *kernel_queue_init(struct kfd_dev *dev, 799241f24f8SBen Goz enum kfd_queue_type type); 800241f24f8SBen Goz void kernel_queue_uninit(struct kernel_queue *kq); 801241f24f8SBen Goz 80245102048SBen Goz /* Process Queue Manager */ 80345102048SBen Goz struct process_queue_node { 80445102048SBen Goz struct queue *q; 80545102048SBen Goz struct kernel_queue *kq; 80645102048SBen Goz struct list_head process_queue_list; 80745102048SBen Goz }; 80845102048SBen Goz 8099fd3f1bfSFelix Kuehling void kfd_process_dequeue_from_device(struct kfd_process_device *pdd); 8109fd3f1bfSFelix Kuehling void kfd_process_dequeue_from_all_devices(struct kfd_process *p); 81145102048SBen Goz int pqm_init(struct process_queue_manager *pqm, struct kfd_process *p); 81245102048SBen Goz void pqm_uninit(struct process_queue_manager *pqm); 81345102048SBen Goz int pqm_create_queue(struct process_queue_manager *pqm, 81445102048SBen Goz struct kfd_dev *dev, 81545102048SBen Goz struct file *f, 81645102048SBen Goz struct queue_properties *properties, 81745102048SBen Goz unsigned int *qid); 81845102048SBen Goz int pqm_destroy_queue(struct process_queue_manager *pqm, unsigned int qid); 81945102048SBen Goz int pqm_update_queue(struct process_queue_manager *pqm, unsigned int qid, 82045102048SBen Goz struct queue_properties *p); 821fbeb661bSYair Shachar struct kernel_queue *pqm_get_kernel_queue(struct process_queue_manager *pqm, 822fbeb661bSYair Shachar unsigned int qid); 82345102048SBen Goz 824788bf83dSYair Shachar int amdkfd_fence_wait_timeout(unsigned int *fence_addr, 825788bf83dSYair Shachar unsigned int fence_value, 8268c72c3d7SYong Zhao unsigned int timeout_ms); 827788bf83dSYair Shachar 828ed6e6a34SBen Goz /* Packet Manager */ 829ed6e6a34SBen Goz 83064c7f8cfSBen Goz #define KFD_FENCE_COMPLETED (100) 83164c7f8cfSBen Goz #define KFD_FENCE_INIT (10) 832241f24f8SBen Goz 833ed6e6a34SBen Goz struct packet_manager { 834ed6e6a34SBen Goz struct device_queue_manager *dqm; 835ed6e6a34SBen Goz struct kernel_queue *priv_queue; 836ed6e6a34SBen Goz struct mutex lock; 837ed6e6a34SBen Goz bool allocated; 838ed6e6a34SBen Goz struct kfd_mem_obj *ib_buffer_obj; 839851a645eSFelix Kuehling unsigned int ib_size_bytes; 840ed6e6a34SBen Goz }; 841ed6e6a34SBen Goz 84264c7f8cfSBen Goz int pm_init(struct packet_manager *pm, struct device_queue_manager *dqm); 84364c7f8cfSBen Goz void pm_uninit(struct packet_manager *pm); 84464c7f8cfSBen Goz int pm_send_set_resources(struct packet_manager *pm, 84564c7f8cfSBen Goz struct scheduling_resources *res); 84664c7f8cfSBen Goz int pm_send_runlist(struct packet_manager *pm, struct list_head *dqm_queues); 84764c7f8cfSBen Goz int pm_send_query_status(struct packet_manager *pm, uint64_t fence_address, 84864c7f8cfSBen Goz uint32_t fence_value); 84964c7f8cfSBen Goz 85064c7f8cfSBen Goz int pm_send_unmap_queue(struct packet_manager *pm, enum kfd_queue_type type, 8517da2bcf8SYong Zhao enum kfd_unmap_queues_filter mode, 85264c7f8cfSBen Goz uint32_t filter_param, bool reset, 85364c7f8cfSBen Goz unsigned int sdma_engine); 85464c7f8cfSBen Goz 855241f24f8SBen Goz void pm_release_ib(struct packet_manager *pm); 856241f24f8SBen Goz 857552764b6SFelix Kuehling uint32_t pm_create_release_mem(uint64_t gpu_addr, uint32_t *buffer); 858552764b6SFelix Kuehling 85919f6d2a6SOded Gabbay uint64_t kfd_get_number_elems(struct kfd_dev *kfd); 86019f6d2a6SOded Gabbay 861f3a39818SAndrew Lewycky /* Events */ 862f3a39818SAndrew Lewycky extern const struct kfd_event_interrupt_class event_interrupt_class_cik; 863930c5ff4SAlexey Skidanov extern const struct kfd_device_global_init_class device_global_init_class_cik; 864f3a39818SAndrew Lewycky 865f3a39818SAndrew Lewycky void kfd_event_init_process(struct kfd_process *p); 866f3a39818SAndrew Lewycky void kfd_event_free_process(struct kfd_process *p); 867f3a39818SAndrew Lewycky int kfd_event_mmap(struct kfd_process *process, struct vm_area_struct *vma); 868f3a39818SAndrew Lewycky int kfd_wait_on_events(struct kfd_process *p, 86959d3e8beSAlexey Skidanov uint32_t num_events, void __user *data, 870f3a39818SAndrew Lewycky bool all, uint32_t user_timeout_ms, 871fdf0c833SFelix Kuehling uint32_t *wait_result); 872f3a39818SAndrew Lewycky void kfd_signal_event_interrupt(unsigned int pasid, uint32_t partial_id, 873f3a39818SAndrew Lewycky uint32_t valid_id_bits); 87459d3e8beSAlexey Skidanov void kfd_signal_iommu_event(struct kfd_dev *dev, 87559d3e8beSAlexey Skidanov unsigned int pasid, unsigned long address, 87659d3e8beSAlexey Skidanov bool is_write_requested, bool is_execute_requested); 877930c5ff4SAlexey Skidanov void kfd_signal_hw_exception_event(unsigned int pasid); 878f3a39818SAndrew Lewycky int kfd_set_event(struct kfd_process *p, uint32_t event_id); 879f3a39818SAndrew Lewycky int kfd_reset_event(struct kfd_process *p, uint32_t event_id); 8800fc8011fSFelix Kuehling int kfd_event_page_set(struct kfd_process *p, void *kernel_address, 8810fc8011fSFelix Kuehling uint64_t size); 882f3a39818SAndrew Lewycky int kfd_event_create(struct file *devkfd, struct kfd_process *p, 883f3a39818SAndrew Lewycky uint32_t event_type, bool auto_reset, uint32_t node_id, 884f3a39818SAndrew Lewycky uint32_t *event_id, uint32_t *event_trigger_data, 885f3a39818SAndrew Lewycky uint64_t *event_page_offset, uint32_t *event_slot_index); 886f3a39818SAndrew Lewycky int kfd_event_destroy(struct kfd_process *p, uint32_t event_id); 887f3a39818SAndrew Lewycky 888403575c4SFelix Kuehling void kfd_flush_tlb(struct kfd_process_device *pdd); 889403575c4SFelix Kuehling 890c3447e81SBen Goz int dbgdev_wave_reset_wavefronts(struct kfd_dev *dev, struct kfd_process *p); 891c3447e81SBen Goz 892851a645eSFelix Kuehling /* Debugfs */ 893851a645eSFelix Kuehling #if defined(CONFIG_DEBUG_FS) 894851a645eSFelix Kuehling 895851a645eSFelix Kuehling void kfd_debugfs_init(void); 896851a645eSFelix Kuehling void kfd_debugfs_fini(void); 897851a645eSFelix Kuehling int kfd_debugfs_mqds_by_process(struct seq_file *m, void *data); 898851a645eSFelix Kuehling int pqm_debugfs_mqds(struct seq_file *m, void *data); 899851a645eSFelix Kuehling int kfd_debugfs_hqds_by_device(struct seq_file *m, void *data); 900851a645eSFelix Kuehling int dqm_debugfs_hqds(struct seq_file *m, void *data); 901851a645eSFelix Kuehling int kfd_debugfs_rls_by_device(struct seq_file *m, void *data); 902851a645eSFelix Kuehling int pm_debugfs_runlist(struct seq_file *m, void *data); 903851a645eSFelix Kuehling 904851a645eSFelix Kuehling #else 905851a645eSFelix Kuehling 906851a645eSFelix Kuehling static inline void kfd_debugfs_init(void) {} 907851a645eSFelix Kuehling static inline void kfd_debugfs_fini(void) {} 908851a645eSFelix Kuehling 909851a645eSFelix Kuehling #endif 910851a645eSFelix Kuehling 9114a488a7aSOded Gabbay #endif 912