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 44df03ef93SHarish Kasiviswanathan /* GPU ID hash width in bits */ 45df03ef93SHarish Kasiviswanathan #define KFD_GPU_ID_HASH_WIDTH 16 46df03ef93SHarish Kasiviswanathan 47df03ef93SHarish Kasiviswanathan /* Use upper bits of mmap offset to store KFD driver specific information. 48df03ef93SHarish Kasiviswanathan * BITS[63:62] - Encode MMAP type 49df03ef93SHarish Kasiviswanathan * BITS[61:46] - Encode gpu_id. To identify to which GPU the offset belongs to 50df03ef93SHarish Kasiviswanathan * BITS[45:0] - MMAP offset value 51df03ef93SHarish Kasiviswanathan * 52df03ef93SHarish Kasiviswanathan * NOTE: struct vm_area_struct.vm_pgoff uses offset in pages. Hence, these 53df03ef93SHarish Kasiviswanathan * defines are w.r.t to PAGE_SIZE 54df03ef93SHarish Kasiviswanathan */ 55df03ef93SHarish Kasiviswanathan #define KFD_MMAP_TYPE_SHIFT (62 - PAGE_SHIFT) 56df03ef93SHarish Kasiviswanathan #define KFD_MMAP_TYPE_MASK (0x3ULL << KFD_MMAP_TYPE_SHIFT) 57df03ef93SHarish Kasiviswanathan #define KFD_MMAP_TYPE_DOORBELL (0x3ULL << KFD_MMAP_TYPE_SHIFT) 58df03ef93SHarish Kasiviswanathan #define KFD_MMAP_TYPE_EVENTS (0x2ULL << KFD_MMAP_TYPE_SHIFT) 59df03ef93SHarish Kasiviswanathan #define KFD_MMAP_TYPE_RESERVED_MEM (0x1ULL << KFD_MMAP_TYPE_SHIFT) 60df03ef93SHarish Kasiviswanathan 61df03ef93SHarish Kasiviswanathan #define KFD_MMAP_GPU_ID_SHIFT (46 - PAGE_SHIFT) 62df03ef93SHarish Kasiviswanathan #define KFD_MMAP_GPU_ID_MASK (((1ULL << KFD_GPU_ID_HASH_WIDTH) - 1) \ 63df03ef93SHarish Kasiviswanathan << KFD_MMAP_GPU_ID_SHIFT) 64df03ef93SHarish Kasiviswanathan #define KFD_MMAP_GPU_ID(gpu_id) ((((uint64_t)gpu_id) << KFD_MMAP_GPU_ID_SHIFT)\ 65df03ef93SHarish Kasiviswanathan & KFD_MMAP_GPU_ID_MASK) 66df03ef93SHarish Kasiviswanathan #define KFD_MMAP_GPU_ID_GET(offset) ((offset & KFD_MMAP_GPU_ID_MASK) \ 67df03ef93SHarish Kasiviswanathan >> KFD_MMAP_GPU_ID_SHIFT) 68df03ef93SHarish Kasiviswanathan 69df03ef93SHarish Kasiviswanathan #define KFD_MMAP_OFFSET_VALUE_MASK (0x3FFFFFFFFFFFULL >> PAGE_SHIFT) 70df03ef93SHarish Kasiviswanathan #define KFD_MMAP_OFFSET_VALUE_GET(offset) (offset & KFD_MMAP_OFFSET_VALUE_MASK) 71f3a39818SAndrew Lewycky 72ed6e6a34SBen Goz /* 73ed6e6a34SBen Goz * When working with cp scheduler we should assign the HIQ manually or via 74ed6e6a34SBen Goz * the radeon driver to a fixed hqd slot, here are the fixed HIQ hqd slot 75ed6e6a34SBen Goz * definitions for Kaveri. In Kaveri only the first ME queues participates 76ed6e6a34SBen Goz * in the cp scheduling taking that in mind we set the HIQ slot in the 77ed6e6a34SBen Goz * second ME. 78ed6e6a34SBen Goz */ 79ed6e6a34SBen Goz #define KFD_CIK_HIQ_PIPE 4 80ed6e6a34SBen Goz #define KFD_CIK_HIQ_QUEUE 0 81ed6e6a34SBen Goz 825b5c4e40SEvgeny Pinchuk /* Macro for allocating structures */ 835b5c4e40SEvgeny Pinchuk #define kfd_alloc_struct(ptr_to_struct) \ 845b5c4e40SEvgeny Pinchuk ((typeof(ptr_to_struct)) kzalloc(sizeof(*ptr_to_struct), GFP_KERNEL)) 855b5c4e40SEvgeny Pinchuk 8619f6d2a6SOded Gabbay #define KFD_MAX_NUM_OF_PROCESSES 512 87b8cbab04SOded Gabbay #define KFD_MAX_NUM_OF_QUEUES_PER_PROCESS 1024 8819f6d2a6SOded Gabbay 8919f6d2a6SOded Gabbay /* 90373d7080SFelix Kuehling * Size of the per-process TBA+TMA buffer: 2 pages 91373d7080SFelix Kuehling * 92373d7080SFelix Kuehling * The first page is the TBA used for the CWSR ISA code. The second 93373d7080SFelix Kuehling * page is used as TMA for daisy changing a user-mode trap handler. 94373d7080SFelix Kuehling */ 95373d7080SFelix Kuehling #define KFD_CWSR_TBA_TMA_SIZE (PAGE_SIZE * 2) 96373d7080SFelix Kuehling #define KFD_CWSR_TMA_OFFSET PAGE_SIZE 97373d7080SFelix Kuehling 98373d7080SFelix Kuehling /* 99b8cbab04SOded Gabbay * Kernel module parameter to specify maximum number of supported queues per 100b8cbab04SOded Gabbay * device 10119f6d2a6SOded Gabbay */ 102b8cbab04SOded Gabbay extern int max_num_of_queues_per_device; 10319f6d2a6SOded Gabbay 104b8cbab04SOded Gabbay #define KFD_MAX_NUM_OF_QUEUES_PER_DEVICE_DEFAULT 4096 105b8cbab04SOded Gabbay #define KFD_MAX_NUM_OF_QUEUES_PER_DEVICE \ 106b8cbab04SOded Gabbay (KFD_MAX_NUM_OF_PROCESSES * \ 107b8cbab04SOded Gabbay KFD_MAX_NUM_OF_QUEUES_PER_PROCESS) 10819f6d2a6SOded Gabbay 109ed6e6a34SBen Goz #define KFD_KERNEL_QUEUE_SIZE 2048 110ed6e6a34SBen Goz 11131c21fecSBen Goz /* Kernel module parameter to specify the scheduling policy */ 11231c21fecSBen Goz extern int sched_policy; 11331c21fecSBen Goz 114a99c6d4fSFelix Kuehling /* 115a99c6d4fSFelix Kuehling * Kernel module parameter to specify the maximum process 116a99c6d4fSFelix Kuehling * number per HW scheduler 117a99c6d4fSFelix Kuehling */ 118a99c6d4fSFelix Kuehling extern int hws_max_conc_proc; 119a99c6d4fSFelix Kuehling 120373d7080SFelix Kuehling extern int cwsr_enable; 121373d7080SFelix Kuehling 12281663016SOded Gabbay /* 12381663016SOded Gabbay * Kernel module parameter to specify whether to send sigterm to HSA process on 12481663016SOded Gabbay * unhandled exception 12581663016SOded Gabbay */ 12681663016SOded Gabbay extern int send_sigterm; 12781663016SOded Gabbay 128ebcfd1e2SFelix Kuehling /* 129374200b1SFelix Kuehling * This kernel module is used to simulate large bar machine on non-large bar 130374200b1SFelix Kuehling * enabled machines. 131374200b1SFelix Kuehling */ 132374200b1SFelix Kuehling extern int debug_largebar; 133374200b1SFelix Kuehling 134374200b1SFelix Kuehling /* 135ebcfd1e2SFelix Kuehling * Ignore CRAT table during KFD initialization, can be used to work around 136ebcfd1e2SFelix Kuehling * broken CRAT tables on some AMD systems 137ebcfd1e2SFelix Kuehling */ 138ebcfd1e2SFelix Kuehling extern int ignore_crat; 139ebcfd1e2SFelix Kuehling 140bed4f110SFelix Kuehling /* 141bed4f110SFelix Kuehling * Set sh_mem_config.retry_disable on Vega10 142bed4f110SFelix Kuehling */ 143bed4f110SFelix Kuehling extern int vega10_noretry; 144bed4f110SFelix Kuehling 14531c21fecSBen Goz /** 14631c21fecSBen Goz * enum kfd_sched_policy 14731c21fecSBen Goz * 14831c21fecSBen Goz * @KFD_SCHED_POLICY_HWS: H/W scheduling policy known as command processor (cp) 14931c21fecSBen Goz * scheduling. In this scheduling mode we're using the firmware code to 15031c21fecSBen Goz * schedule the user mode queues and kernel queues such as HIQ and DIQ. 15131c21fecSBen Goz * the HIQ queue is used as a special queue that dispatches the configuration 15231c21fecSBen Goz * to the cp and the user mode queues list that are currently running. 15331c21fecSBen Goz * the DIQ queue is a debugging queue that dispatches debugging commands to the 15431c21fecSBen Goz * firmware. 15531c21fecSBen Goz * in this scheduling mode user mode queues over subscription feature is 15631c21fecSBen Goz * enabled. 15731c21fecSBen Goz * 15831c21fecSBen Goz * @KFD_SCHED_POLICY_HWS_NO_OVERSUBSCRIPTION: The same as above but the over 15931c21fecSBen Goz * subscription feature disabled. 16031c21fecSBen Goz * 16131c21fecSBen Goz * @KFD_SCHED_POLICY_NO_HWS: no H/W scheduling policy is a mode which directly 16231c21fecSBen Goz * set the command processor registers and sets the queues "manually". This 16331c21fecSBen Goz * mode is used *ONLY* for debugging proposes. 16431c21fecSBen Goz * 16531c21fecSBen Goz */ 16631c21fecSBen Goz enum kfd_sched_policy { 16731c21fecSBen Goz KFD_SCHED_POLICY_HWS = 0, 16831c21fecSBen Goz KFD_SCHED_POLICY_HWS_NO_OVERSUBSCRIPTION, 16931c21fecSBen Goz KFD_SCHED_POLICY_NO_HWS 17031c21fecSBen Goz }; 17131c21fecSBen Goz 172ed6e6a34SBen Goz enum cache_policy { 173ed6e6a34SBen Goz cache_policy_coherent, 174ed6e6a34SBen Goz cache_policy_noncoherent 175ed6e6a34SBen Goz }; 176ed6e6a34SBen Goz 177ef568db7SFelix Kuehling #define KFD_IS_SOC15(chip) ((chip) >= CHIP_VEGA10) 178ef568db7SFelix Kuehling 179f3a39818SAndrew Lewycky struct kfd_event_interrupt_class { 180f3a39818SAndrew Lewycky bool (*interrupt_isr)(struct kfd_dev *dev, 181f3a39818SAndrew Lewycky const uint32_t *ih_ring_entry); 182f3a39818SAndrew Lewycky void (*interrupt_wq)(struct kfd_dev *dev, 183f3a39818SAndrew Lewycky const uint32_t *ih_ring_entry); 184f3a39818SAndrew Lewycky }; 185f3a39818SAndrew Lewycky 1864a488a7aSOded Gabbay struct kfd_device_info { 187e596b903SYong Zhao enum amd_asic_type asic_family; 188f3a39818SAndrew Lewycky const struct kfd_event_interrupt_class *event_interrupt_class; 1894a488a7aSOded Gabbay unsigned int max_pasid_bits; 190992839adSYair Shachar unsigned int max_no_of_hqd; 191ada2b29cSFelix Kuehling unsigned int doorbell_size; 1924a488a7aSOded Gabbay size_t ih_ring_entry_size; 193f7c826adSAlexey Skidanov uint8_t num_of_watch_points; 19419f6d2a6SOded Gabbay uint16_t mqd_size_aligned; 195373d7080SFelix Kuehling bool supports_cwsr; 19664d1c3a4SFelix Kuehling bool needs_iommu_device; 1973ee2d00cSFelix Kuehling bool needs_pci_atomics; 1984a488a7aSOded Gabbay }; 1994a488a7aSOded Gabbay 20036b5c08fSOded Gabbay struct kfd_mem_obj { 20136b5c08fSOded Gabbay uint32_t range_start; 20236b5c08fSOded Gabbay uint32_t range_end; 20336b5c08fSOded Gabbay uint64_t gpu_addr; 20436b5c08fSOded Gabbay uint32_t *cpu_ptr; 205b91d43ddSFelix Kuehling void *gtt_mem; 20636b5c08fSOded Gabbay }; 20736b5c08fSOded Gabbay 20844008d7aSYong Zhao struct kfd_vmid_info { 20944008d7aSYong Zhao uint32_t first_vmid_kfd; 21044008d7aSYong Zhao uint32_t last_vmid_kfd; 21144008d7aSYong Zhao uint32_t vmid_num_kfd; 21244008d7aSYong Zhao }; 21344008d7aSYong Zhao 2144a488a7aSOded Gabbay struct kfd_dev { 2154a488a7aSOded Gabbay struct kgd_dev *kgd; 2164a488a7aSOded Gabbay 2174a488a7aSOded Gabbay const struct kfd_device_info *device_info; 2184a488a7aSOded Gabbay struct pci_dev *pdev; 2194a488a7aSOded Gabbay 2204a488a7aSOded Gabbay unsigned int id; /* topology stub index */ 2214a488a7aSOded Gabbay 22219f6d2a6SOded Gabbay phys_addr_t doorbell_base; /* Start of actual doorbells used by 22319f6d2a6SOded Gabbay * KFD. It is aligned for mapping 22419f6d2a6SOded Gabbay * into user mode 22519f6d2a6SOded Gabbay */ 22619f6d2a6SOded Gabbay size_t doorbell_id_offset; /* Doorbell offset (from KFD doorbell 22719f6d2a6SOded Gabbay * to HW doorbell, GFX reserved some 22819f6d2a6SOded Gabbay * at the start) 22919f6d2a6SOded Gabbay */ 23019f6d2a6SOded Gabbay u32 __iomem *doorbell_kernel_ptr; /* This is a pointer for a doorbells 23119f6d2a6SOded Gabbay * page used by kernel queue 23219f6d2a6SOded Gabbay */ 23319f6d2a6SOded Gabbay 2344a488a7aSOded Gabbay struct kgd2kfd_shared_resources shared_resources; 23544008d7aSYong Zhao struct kfd_vmid_info vm_info; 2364a488a7aSOded Gabbay 237cea405b1SXihan Zhang const struct kfd2kgd_calls *kfd2kgd; 238cea405b1SXihan Zhang struct mutex doorbell_mutex; 239f761d8bdSJoe Perches DECLARE_BITMAP(doorbell_available_index, 240f761d8bdSJoe Perches KFD_MAX_NUM_OF_QUEUES_PER_PROCESS); 241cea405b1SXihan Zhang 24236b5c08fSOded Gabbay void *gtt_mem; 24336b5c08fSOded Gabbay uint64_t gtt_start_gpu_addr; 24436b5c08fSOded Gabbay void *gtt_start_cpu_ptr; 24536b5c08fSOded Gabbay void *gtt_sa_bitmap; 24636b5c08fSOded Gabbay struct mutex gtt_sa_lock; 24736b5c08fSOded Gabbay unsigned int gtt_sa_chunk_size; 24836b5c08fSOded Gabbay unsigned int gtt_sa_num_of_chunks; 24936b5c08fSOded Gabbay 2502249d558SAndrew Lewycky /* Interrupts */ 25104ad47bdSAndres Rodriguez struct kfifo ih_fifo; 25248e876a2SAndres Rodriguez struct workqueue_struct *ih_wq; 2532249d558SAndrew Lewycky struct work_struct interrupt_work; 2542249d558SAndrew Lewycky spinlock_t interrupt_lock; 2552249d558SAndrew Lewycky 256ed6e6a34SBen Goz /* QCM Device instance */ 257ed6e6a34SBen Goz struct device_queue_manager *dqm; 2584a488a7aSOded Gabbay 259ed6e6a34SBen Goz bool init_complete; 2602249d558SAndrew Lewycky /* 2612249d558SAndrew Lewycky * Interrupts of interest to KFD are copied 2622249d558SAndrew Lewycky * from the HW ring into a SW ring. 2632249d558SAndrew Lewycky */ 2642249d558SAndrew Lewycky bool interrupts_active; 265fbeb661bSYair Shachar 266fbeb661bSYair Shachar /* Debug manager */ 267fbeb661bSYair Shachar struct kfd_dbgmgr *dbgmgr; 268373d7080SFelix Kuehling 269a99c6d4fSFelix Kuehling /* Maximum process number mapped to HW scheduler */ 270a99c6d4fSFelix Kuehling unsigned int max_proc_per_quantum; 271a99c6d4fSFelix Kuehling 272373d7080SFelix Kuehling /* CWSR */ 273373d7080SFelix Kuehling bool cwsr_enabled; 274373d7080SFelix Kuehling const void *cwsr_isa; 275373d7080SFelix Kuehling unsigned int cwsr_isa_size; 2764a488a7aSOded Gabbay }; 2774a488a7aSOded Gabbay 2784a488a7aSOded Gabbay /* KGD2KFD callbacks */ 2794a488a7aSOded Gabbay void kgd2kfd_exit(void); 280cea405b1SXihan Zhang struct kfd_dev *kgd2kfd_probe(struct kgd_dev *kgd, 281cea405b1SXihan Zhang struct pci_dev *pdev, const struct kfd2kgd_calls *f2g); 2824a488a7aSOded Gabbay bool kgd2kfd_device_init(struct kfd_dev *kfd, 2834a488a7aSOded Gabbay const struct kgd2kfd_shared_resources *gpu_resources); 2844a488a7aSOded Gabbay void kgd2kfd_device_exit(struct kfd_dev *kfd); 2854a488a7aSOded Gabbay 28619f6d2a6SOded Gabbay enum kfd_mempool { 28719f6d2a6SOded Gabbay KFD_MEMPOOL_SYSTEM_CACHEABLE = 1, 28819f6d2a6SOded Gabbay KFD_MEMPOOL_SYSTEM_WRITECOMBINE = 2, 28919f6d2a6SOded Gabbay KFD_MEMPOOL_FRAMEBUFFER = 3, 29019f6d2a6SOded Gabbay }; 29119f6d2a6SOded Gabbay 2924a488a7aSOded Gabbay /* Character device interface */ 2934a488a7aSOded Gabbay int kfd_chardev_init(void); 2944a488a7aSOded Gabbay void kfd_chardev_exit(void); 2954a488a7aSOded Gabbay struct device *kfd_chardev(void); 2964a488a7aSOded Gabbay 297241f24f8SBen Goz /** 2987da2bcf8SYong Zhao * enum kfd_unmap_queues_filter 299241f24f8SBen Goz * 3007da2bcf8SYong Zhao * @KFD_UNMAP_QUEUES_FILTER_SINGLE_QUEUE: Preempts single queue. 301241f24f8SBen Goz * 3027da2bcf8SYong Zhao * @KFD_UNMAP_QUEUES_FILTER_ALL_QUEUES: Preempts all queues in the 303241f24f8SBen Goz * running queues list. 304241f24f8SBen Goz * 3057da2bcf8SYong Zhao * @KFD_UNMAP_QUEUES_FILTER_BY_PASID: Preempts queues that belongs to 306241f24f8SBen Goz * specific process. 307241f24f8SBen Goz * 308241f24f8SBen Goz */ 3097da2bcf8SYong Zhao enum kfd_unmap_queues_filter { 3107da2bcf8SYong Zhao KFD_UNMAP_QUEUES_FILTER_SINGLE_QUEUE, 3117da2bcf8SYong Zhao KFD_UNMAP_QUEUES_FILTER_ALL_QUEUES, 3127da2bcf8SYong Zhao KFD_UNMAP_QUEUES_FILTER_DYNAMIC_QUEUES, 3137da2bcf8SYong Zhao KFD_UNMAP_QUEUES_FILTER_BY_PASID 314241f24f8SBen Goz }; 31519f6d2a6SOded Gabbay 316ed8aab45SBen Goz /** 317ed8aab45SBen Goz * enum kfd_queue_type 318ed8aab45SBen Goz * 319ed8aab45SBen Goz * @KFD_QUEUE_TYPE_COMPUTE: Regular user mode queue type. 320ed8aab45SBen Goz * 321ed8aab45SBen Goz * @KFD_QUEUE_TYPE_SDMA: Sdma user mode queue type. 322ed8aab45SBen Goz * 323ed8aab45SBen Goz * @KFD_QUEUE_TYPE_HIQ: HIQ queue type. 324ed8aab45SBen Goz * 325ed8aab45SBen Goz * @KFD_QUEUE_TYPE_DIQ: DIQ queue type. 326ed8aab45SBen Goz */ 327ed8aab45SBen Goz enum kfd_queue_type { 328ed8aab45SBen Goz KFD_QUEUE_TYPE_COMPUTE, 329ed8aab45SBen Goz KFD_QUEUE_TYPE_SDMA, 330ed8aab45SBen Goz KFD_QUEUE_TYPE_HIQ, 331ed8aab45SBen Goz KFD_QUEUE_TYPE_DIQ 332ed8aab45SBen Goz }; 333ed8aab45SBen Goz 3346e99df57SBen Goz enum kfd_queue_format { 3356e99df57SBen Goz KFD_QUEUE_FORMAT_PM4, 3366e99df57SBen Goz KFD_QUEUE_FORMAT_AQL 3376e99df57SBen Goz }; 3386e99df57SBen Goz 339ed8aab45SBen Goz /** 340ed8aab45SBen Goz * struct queue_properties 341ed8aab45SBen Goz * 342ed8aab45SBen Goz * @type: The queue type. 343ed8aab45SBen Goz * 344ed8aab45SBen Goz * @queue_id: Queue identifier. 345ed8aab45SBen Goz * 346ed8aab45SBen Goz * @queue_address: Queue ring buffer address. 347ed8aab45SBen Goz * 348ed8aab45SBen Goz * @queue_size: Queue ring buffer size. 349ed8aab45SBen Goz * 350ed8aab45SBen Goz * @priority: Defines the queue priority relative to other queues in the 351ed8aab45SBen Goz * process. 352ed8aab45SBen Goz * This is just an indication and HW scheduling may override the priority as 353ed8aab45SBen Goz * necessary while keeping the relative prioritization. 354ed8aab45SBen Goz * the priority granularity is from 0 to f which f is the highest priority. 355ed8aab45SBen Goz * currently all queues are initialized with the highest priority. 356ed8aab45SBen Goz * 357ed8aab45SBen Goz * @queue_percent: This field is partially implemented and currently a zero in 358ed8aab45SBen Goz * this field defines that the queue is non active. 359ed8aab45SBen Goz * 360ed8aab45SBen Goz * @read_ptr: User space address which points to the number of dwords the 361ed8aab45SBen Goz * cp read from the ring buffer. This field updates automatically by the H/W. 362ed8aab45SBen Goz * 363ed8aab45SBen Goz * @write_ptr: Defines the number of dwords written to the ring buffer. 364ed8aab45SBen Goz * 365ed8aab45SBen Goz * @doorbell_ptr: This field aim is to notify the H/W of new packet written to 3668eabaf54SKent Russell * the queue ring buffer. This field should be similar to write_ptr and the 3678eabaf54SKent Russell * user should update this field after he updated the write_ptr. 368ed8aab45SBen Goz * 369ed8aab45SBen Goz * @doorbell_off: The doorbell offset in the doorbell pci-bar. 370ed8aab45SBen Goz * 3718eabaf54SKent Russell * @is_interop: Defines if this is a interop queue. Interop queue means that 3728eabaf54SKent Russell * the queue can access both graphics and compute resources. 373ed8aab45SBen Goz * 37426103436SFelix Kuehling * @is_evicted: Defines if the queue is evicted. Only active queues 37526103436SFelix Kuehling * are evicted, rendering them inactive. 37626103436SFelix Kuehling * 37726103436SFelix Kuehling * @is_active: Defines if the queue is active or not. @is_active and 37826103436SFelix Kuehling * @is_evicted are protected by the DQM lock. 379ed8aab45SBen Goz * 380ed8aab45SBen Goz * @vmid: If the scheduling mode is no cp scheduling the field defines the vmid 381ed8aab45SBen Goz * of the queue. 382ed8aab45SBen Goz * 383ed8aab45SBen Goz * This structure represents the queue properties for each queue no matter if 384ed8aab45SBen Goz * it's user mode or kernel mode queue. 385ed8aab45SBen Goz * 386ed8aab45SBen Goz */ 387ed8aab45SBen Goz struct queue_properties { 388ed8aab45SBen Goz enum kfd_queue_type type; 3896e99df57SBen Goz enum kfd_queue_format format; 390ed8aab45SBen Goz unsigned int queue_id; 391ed8aab45SBen Goz uint64_t queue_address; 392ed8aab45SBen Goz uint64_t queue_size; 393ed8aab45SBen Goz uint32_t priority; 394ed8aab45SBen Goz uint32_t queue_percent; 395ed8aab45SBen Goz uint32_t *read_ptr; 396ed8aab45SBen Goz uint32_t *write_ptr; 397ada2b29cSFelix Kuehling void __iomem *doorbell_ptr; 398ed8aab45SBen Goz uint32_t doorbell_off; 399ed8aab45SBen Goz bool is_interop; 40026103436SFelix Kuehling bool is_evicted; 401ed8aab45SBen Goz bool is_active; 402ed8aab45SBen Goz /* Not relevant for user mode queues in cp scheduling */ 403ed8aab45SBen Goz unsigned int vmid; 40477669eb8SBen Goz /* Relevant only for sdma queues*/ 40577669eb8SBen Goz uint32_t sdma_engine_id; 40677669eb8SBen Goz uint32_t sdma_queue_id; 40777669eb8SBen Goz uint32_t sdma_vm_addr; 408ff3d04a1SBen Goz /* Relevant only for VI */ 409ff3d04a1SBen Goz uint64_t eop_ring_buffer_address; 410ff3d04a1SBen Goz uint32_t eop_ring_buffer_size; 411ff3d04a1SBen Goz uint64_t ctx_save_restore_area_address; 412ff3d04a1SBen Goz uint32_t ctx_save_restore_area_size; 413373d7080SFelix Kuehling uint32_t ctl_stack_size; 414373d7080SFelix Kuehling uint64_t tba_addr; 415373d7080SFelix Kuehling uint64_t tma_addr; 416ed8aab45SBen Goz }; 417ed8aab45SBen Goz 418ed8aab45SBen Goz /** 419ed8aab45SBen Goz * struct queue 420ed8aab45SBen Goz * 421ed8aab45SBen Goz * @list: Queue linked list. 422ed8aab45SBen Goz * 423ed8aab45SBen Goz * @mqd: The queue MQD. 424ed8aab45SBen Goz * 425ed8aab45SBen Goz * @mqd_mem_obj: The MQD local gpu memory object. 426ed8aab45SBen Goz * 427ed8aab45SBen Goz * @gart_mqd_addr: The MQD gart mc address. 428ed8aab45SBen Goz * 429ed8aab45SBen Goz * @properties: The queue properties. 430ed8aab45SBen Goz * 431ed8aab45SBen Goz * @mec: Used only in no cp scheduling mode and identifies to micro engine id 432ed8aab45SBen Goz * that the queue should be execute on. 433ed8aab45SBen Goz * 4348eabaf54SKent Russell * @pipe: Used only in no cp scheduling mode and identifies the queue's pipe 4358eabaf54SKent Russell * id. 436ed8aab45SBen Goz * 437ed8aab45SBen Goz * @queue: Used only in no cp scheduliong mode and identifies the queue's slot. 438ed8aab45SBen Goz * 439ed8aab45SBen Goz * @process: The kfd process that created this queue. 440ed8aab45SBen Goz * 441ed8aab45SBen Goz * @device: The kfd device that created this queue. 442ed8aab45SBen Goz * 443ed8aab45SBen Goz * This structure represents user mode compute queues. 444ed8aab45SBen Goz * It contains all the necessary data to handle such queues. 445ed8aab45SBen Goz * 446ed8aab45SBen Goz */ 447ed8aab45SBen Goz 448ed8aab45SBen Goz struct queue { 449ed8aab45SBen Goz struct list_head list; 450ed8aab45SBen Goz void *mqd; 451ed8aab45SBen Goz struct kfd_mem_obj *mqd_mem_obj; 452ed8aab45SBen Goz uint64_t gart_mqd_addr; 453ed8aab45SBen Goz struct queue_properties properties; 454ed8aab45SBen Goz 455ed8aab45SBen Goz uint32_t mec; 456ed8aab45SBen Goz uint32_t pipe; 457ed8aab45SBen Goz uint32_t queue; 458ed8aab45SBen Goz 45977669eb8SBen Goz unsigned int sdma_id; 460ef568db7SFelix Kuehling unsigned int doorbell_id; 46177669eb8SBen Goz 462ed8aab45SBen Goz struct kfd_process *process; 463ed8aab45SBen Goz struct kfd_dev *device; 464ed8aab45SBen Goz }; 465ed8aab45SBen Goz 4666e99df57SBen Goz /* 4676e99df57SBen Goz * Please read the kfd_mqd_manager.h description. 4686e99df57SBen Goz */ 4696e99df57SBen Goz enum KFD_MQD_TYPE { 47085d258f9SBen Goz KFD_MQD_TYPE_COMPUTE = 0, /* for no cp scheduling */ 47185d258f9SBen Goz KFD_MQD_TYPE_HIQ, /* for hiq */ 47285d258f9SBen Goz KFD_MQD_TYPE_CP, /* for cp queues and diq */ 47385d258f9SBen Goz KFD_MQD_TYPE_SDMA, /* for sdma queues */ 4746e99df57SBen Goz KFD_MQD_TYPE_MAX 4756e99df57SBen Goz }; 4766e99df57SBen Goz 477241f24f8SBen Goz struct scheduling_resources { 478241f24f8SBen Goz unsigned int vmid_mask; 479241f24f8SBen Goz enum kfd_queue_type type; 480241f24f8SBen Goz uint64_t queue_mask; 481241f24f8SBen Goz uint64_t gws_mask; 482241f24f8SBen Goz uint32_t oac_mask; 483241f24f8SBen Goz uint32_t gds_heap_base; 484241f24f8SBen Goz uint32_t gds_heap_size; 485241f24f8SBen Goz }; 486241f24f8SBen Goz 487241f24f8SBen Goz struct process_queue_manager { 488241f24f8SBen Goz /* data */ 489241f24f8SBen Goz struct kfd_process *process; 490241f24f8SBen Goz struct list_head queues; 491241f24f8SBen Goz unsigned long *queue_slot_bitmap; 492241f24f8SBen Goz }; 493241f24f8SBen Goz 494241f24f8SBen Goz struct qcm_process_device { 495241f24f8SBen Goz /* The Device Queue Manager that owns this data */ 496241f24f8SBen Goz struct device_queue_manager *dqm; 497241f24f8SBen Goz struct process_queue_manager *pqm; 498241f24f8SBen Goz /* Queues list */ 499241f24f8SBen Goz struct list_head queues_list; 500241f24f8SBen Goz struct list_head priv_queue_list; 501241f24f8SBen Goz 502241f24f8SBen Goz unsigned int queue_count; 503241f24f8SBen Goz unsigned int vmid; 504241f24f8SBen Goz bool is_debug; 50526103436SFelix Kuehling unsigned int evicted; /* eviction counter, 0=active */ 5069fd3f1bfSFelix Kuehling 5079fd3f1bfSFelix Kuehling /* This flag tells if we should reset all wavefronts on 5089fd3f1bfSFelix Kuehling * process termination 5099fd3f1bfSFelix Kuehling */ 5109fd3f1bfSFelix Kuehling bool reset_wavefronts; 5119fd3f1bfSFelix Kuehling 512241f24f8SBen Goz /* 513241f24f8SBen Goz * All the memory management data should be here too 514241f24f8SBen Goz */ 515241f24f8SBen Goz uint64_t gds_context_area; 516241f24f8SBen Goz uint32_t sh_mem_config; 517241f24f8SBen Goz uint32_t sh_mem_bases; 518241f24f8SBen Goz uint32_t sh_mem_ape1_base; 519241f24f8SBen Goz uint32_t sh_mem_ape1_limit; 520241f24f8SBen Goz uint32_t page_table_base; 521241f24f8SBen Goz uint32_t gds_size; 522241f24f8SBen Goz uint32_t num_gws; 523241f24f8SBen Goz uint32_t num_oac; 5246a1c9510SMoses Reuben uint32_t sh_hidden_private_base; 525373d7080SFelix Kuehling 526373d7080SFelix Kuehling /* CWSR memory */ 527373d7080SFelix Kuehling void *cwsr_kaddr; 528d01994c2SFelix Kuehling uint64_t cwsr_base; 529373d7080SFelix Kuehling uint64_t tba_addr; 530373d7080SFelix Kuehling uint64_t tma_addr; 531d01994c2SFelix Kuehling 532d01994c2SFelix Kuehling /* IB memory */ 533d01994c2SFelix Kuehling uint64_t ib_base; 534552764b6SFelix Kuehling void *ib_kaddr; 535ef568db7SFelix Kuehling 536ef568db7SFelix Kuehling /* doorbell resources per process per device */ 537ef568db7SFelix Kuehling unsigned long *doorbell_bitmap; 538241f24f8SBen Goz }; 539241f24f8SBen Goz 54026103436SFelix Kuehling /* KFD Memory Eviction */ 54126103436SFelix Kuehling 54226103436SFelix Kuehling /* Approx. wait time before attempting to restore evicted BOs */ 54326103436SFelix Kuehling #define PROCESS_RESTORE_TIME_MS 100 54426103436SFelix Kuehling /* Approx. back off time if restore fails due to lack of memory */ 54526103436SFelix Kuehling #define PROCESS_BACK_OFF_TIME_MS 100 54626103436SFelix Kuehling /* Approx. time before evicting the process again */ 54726103436SFelix Kuehling #define PROCESS_ACTIVE_TIME_MS 10 54826103436SFelix Kuehling 5496b95e797SFelix Kuehling int kgd2kfd_quiesce_mm(struct mm_struct *mm); 5506b95e797SFelix Kuehling int kgd2kfd_resume_mm(struct mm_struct *mm); 55126103436SFelix Kuehling int kgd2kfd_schedule_evict_and_restore_process(struct mm_struct *mm, 55226103436SFelix Kuehling struct dma_fence *fence); 553733fa1f7SYong Zhao 5545ec7e028SFelix Kuehling /* 8 byte handle containing GPU ID in the most significant 4 bytes and 5555ec7e028SFelix Kuehling * idr_handle in the least significant 4 bytes 5565ec7e028SFelix Kuehling */ 5575ec7e028SFelix Kuehling #define MAKE_HANDLE(gpu_id, idr_handle) \ 5585ec7e028SFelix Kuehling (((uint64_t)(gpu_id) << 32) + idr_handle) 5595ec7e028SFelix Kuehling #define GET_GPU_ID(handle) (handle >> 32) 5605ec7e028SFelix Kuehling #define GET_IDR_HANDLE(handle) (handle & 0xFFFFFFFF) 5615ec7e028SFelix Kuehling 562733fa1f7SYong Zhao enum kfd_pdd_bound { 563733fa1f7SYong Zhao PDD_UNBOUND = 0, 564733fa1f7SYong Zhao PDD_BOUND, 565733fa1f7SYong Zhao PDD_BOUND_SUSPENDED, 566733fa1f7SYong Zhao }; 567733fa1f7SYong Zhao 56819f6d2a6SOded Gabbay /* Data that is per-process-per device. */ 56919f6d2a6SOded Gabbay struct kfd_process_device { 57019f6d2a6SOded Gabbay /* 57119f6d2a6SOded Gabbay * List of all per-device data for a process. 57219f6d2a6SOded Gabbay * Starts from kfd_process.per_device_data. 57319f6d2a6SOded Gabbay */ 57419f6d2a6SOded Gabbay struct list_head per_device_list; 57519f6d2a6SOded Gabbay 57619f6d2a6SOded Gabbay /* The device that owns this data. */ 57719f6d2a6SOded Gabbay struct kfd_dev *dev; 57819f6d2a6SOded Gabbay 5799fd3f1bfSFelix Kuehling /* The process that owns this kfd_process_device. */ 5809fd3f1bfSFelix Kuehling struct kfd_process *process; 58119f6d2a6SOded Gabbay 58245102048SBen Goz /* per-process-per device QCM data structure */ 58345102048SBen Goz struct qcm_process_device qpd; 58445102048SBen Goz 58519f6d2a6SOded Gabbay /*Apertures*/ 58619f6d2a6SOded Gabbay uint64_t lds_base; 58719f6d2a6SOded Gabbay uint64_t lds_limit; 58819f6d2a6SOded Gabbay uint64_t gpuvm_base; 58919f6d2a6SOded Gabbay uint64_t gpuvm_limit; 59019f6d2a6SOded Gabbay uint64_t scratch_base; 59119f6d2a6SOded Gabbay uint64_t scratch_limit; 59219f6d2a6SOded Gabbay 593403575c4SFelix Kuehling /* VM context for GPUVM allocations */ 594b84394e2SFelix Kuehling struct file *drm_file; 595403575c4SFelix Kuehling void *vm; 596403575c4SFelix Kuehling 59752b29d73SFelix Kuehling /* GPUVM allocations storage */ 59852b29d73SFelix Kuehling struct idr alloc_idr; 59952b29d73SFelix Kuehling 6009fd3f1bfSFelix Kuehling /* Flag used to tell the pdd has dequeued from the dqm. 6019fd3f1bfSFelix Kuehling * This is used to prevent dev->dqm->ops.process_termination() from 6029fd3f1bfSFelix Kuehling * being called twice when it is already called in IOMMU callback 6039fd3f1bfSFelix Kuehling * function. 604a82918f1SBen Goz */ 6059fd3f1bfSFelix Kuehling bool already_dequeued; 60664d1c3a4SFelix Kuehling 60764d1c3a4SFelix Kuehling /* Is this process/pasid bound to this device? (amd_iommu_bind_pasid) */ 60864d1c3a4SFelix Kuehling enum kfd_pdd_bound bound; 60919f6d2a6SOded Gabbay }; 61019f6d2a6SOded Gabbay 61152a5fdceSAlexey Skidanov #define qpd_to_pdd(x) container_of(x, struct kfd_process_device, qpd) 61252a5fdceSAlexey Skidanov 6134a488a7aSOded Gabbay /* Process data */ 6144a488a7aSOded Gabbay struct kfd_process { 61519f6d2a6SOded Gabbay /* 61619f6d2a6SOded Gabbay * kfd_process are stored in an mm_struct*->kfd_process* 61719f6d2a6SOded Gabbay * hash table (kfd_processes in kfd_process.c) 61819f6d2a6SOded Gabbay */ 61919f6d2a6SOded Gabbay struct hlist_node kfd_processes; 62019f6d2a6SOded Gabbay 6219b56bb11SFelix Kuehling /* 6229b56bb11SFelix Kuehling * Opaque pointer to mm_struct. We don't hold a reference to 6239b56bb11SFelix Kuehling * it so it should never be dereferenced from here. This is 6249b56bb11SFelix Kuehling * only used for looking up processes by their mm. 6259b56bb11SFelix Kuehling */ 6269b56bb11SFelix Kuehling void *mm; 62719f6d2a6SOded Gabbay 6285ce10687SFelix Kuehling struct kref ref; 6295ce10687SFelix Kuehling struct work_struct release_work; 6305ce10687SFelix Kuehling 63119f6d2a6SOded Gabbay struct mutex mutex; 63219f6d2a6SOded Gabbay 63319f6d2a6SOded Gabbay /* 63419f6d2a6SOded Gabbay * In any process, the thread that started main() is the lead 63519f6d2a6SOded Gabbay * thread and outlives the rest. 63619f6d2a6SOded Gabbay * It is here because amd_iommu_bind_pasid wants a task_struct. 637894a8293SFelix Kuehling * It can also be used for safely getting a reference to the 638894a8293SFelix Kuehling * mm_struct of the process. 63919f6d2a6SOded Gabbay */ 64019f6d2a6SOded Gabbay struct task_struct *lead_thread; 64119f6d2a6SOded Gabbay 64219f6d2a6SOded Gabbay /* We want to receive a notification when the mm_struct is destroyed */ 64319f6d2a6SOded Gabbay struct mmu_notifier mmu_notifier; 64419f6d2a6SOded Gabbay 64519f6d2a6SOded Gabbay /* Use for delayed freeing of kfd_process structure */ 64619f6d2a6SOded Gabbay struct rcu_head rcu; 64719f6d2a6SOded Gabbay 64819f6d2a6SOded Gabbay unsigned int pasid; 649a91e70e3SFelix Kuehling unsigned int doorbell_index; 65019f6d2a6SOded Gabbay 65119f6d2a6SOded Gabbay /* 65219f6d2a6SOded Gabbay * List of kfd_process_device structures, 65319f6d2a6SOded Gabbay * one for each device the process is using. 65419f6d2a6SOded Gabbay */ 65519f6d2a6SOded Gabbay struct list_head per_device_data; 65619f6d2a6SOded Gabbay 65745102048SBen Goz struct process_queue_manager pqm; 65845102048SBen Goz 65919f6d2a6SOded Gabbay /*Is the user space process 32 bit?*/ 66019f6d2a6SOded Gabbay bool is_32bit_user_mode; 661f3a39818SAndrew Lewycky 662f3a39818SAndrew Lewycky /* Event-related data */ 663f3a39818SAndrew Lewycky struct mutex event_mutex; 664482f0777SFelix Kuehling /* Event ID allocator and lookup */ 665482f0777SFelix Kuehling struct idr event_idr; 66650cb7dd9SFelix Kuehling /* Event page */ 66750cb7dd9SFelix Kuehling struct kfd_signal_page *signal_page; 668b9a5d0a5SFelix Kuehling size_t signal_mapped_size; 669f3a39818SAndrew Lewycky size_t signal_event_count; 670c986169fSFelix Kuehling bool signal_event_limit_reached; 671403575c4SFelix Kuehling 672403575c4SFelix Kuehling /* Information used for memory eviction */ 673403575c4SFelix Kuehling void *kgd_process_info; 674403575c4SFelix Kuehling /* Eviction fence that is attached to all the BOs of this process. The 675403575c4SFelix Kuehling * fence will be triggered during eviction and new one will be created 676403575c4SFelix Kuehling * during restore 677403575c4SFelix Kuehling */ 678403575c4SFelix Kuehling struct dma_fence *ef; 67926103436SFelix Kuehling 68026103436SFelix Kuehling /* Work items for evicting and restoring BOs */ 68126103436SFelix Kuehling struct delayed_work eviction_work; 68226103436SFelix Kuehling struct delayed_work restore_work; 68326103436SFelix Kuehling /* seqno of the last scheduled eviction */ 68426103436SFelix Kuehling unsigned int last_eviction_seqno; 68526103436SFelix Kuehling /* Approx. the last timestamp (in jiffies) when the process was 68626103436SFelix Kuehling * restored after an eviction 68726103436SFelix Kuehling */ 68826103436SFelix Kuehling unsigned long last_restore_timestamp; 6894a488a7aSOded Gabbay }; 6904a488a7aSOded Gabbay 69164d1c3a4SFelix Kuehling #define KFD_PROCESS_TABLE_SIZE 5 /* bits: 32 entries */ 69264d1c3a4SFelix Kuehling extern DECLARE_HASHTABLE(kfd_processes_table, KFD_PROCESS_TABLE_SIZE); 69364d1c3a4SFelix Kuehling extern struct srcu_struct kfd_processes_srcu; 69464d1c3a4SFelix Kuehling 69576baee6cSOded Gabbay /** 69676baee6cSOded Gabbay * Ioctl function type. 69776baee6cSOded Gabbay * 69876baee6cSOded Gabbay * \param filep pointer to file structure. 69976baee6cSOded Gabbay * \param p amdkfd process pointer. 70076baee6cSOded Gabbay * \param data pointer to arg that was copied from user. 70176baee6cSOded Gabbay */ 70276baee6cSOded Gabbay typedef int amdkfd_ioctl_t(struct file *filep, struct kfd_process *p, 70376baee6cSOded Gabbay void *data); 70476baee6cSOded Gabbay 70576baee6cSOded Gabbay struct amdkfd_ioctl_desc { 70676baee6cSOded Gabbay unsigned int cmd; 70776baee6cSOded Gabbay int flags; 70876baee6cSOded Gabbay amdkfd_ioctl_t *func; 70976baee6cSOded Gabbay unsigned int cmd_drv; 71076baee6cSOded Gabbay const char *name; 71176baee6cSOded Gabbay }; 71276baee6cSOded Gabbay 7131679ae8fSFelix Kuehling int kfd_process_create_wq(void); 71419f6d2a6SOded Gabbay void kfd_process_destroy_wq(void); 715373d7080SFelix Kuehling struct kfd_process *kfd_create_process(struct file *filep); 71619f6d2a6SOded Gabbay struct kfd_process *kfd_get_process(const struct task_struct *); 717f3a39818SAndrew Lewycky struct kfd_process *kfd_lookup_process_by_pasid(unsigned int pasid); 71826103436SFelix Kuehling struct kfd_process *kfd_lookup_process_by_mm(const struct mm_struct *mm); 719abb208a8SFelix Kuehling void kfd_unref_process(struct kfd_process *p); 7206b95e797SFelix Kuehling int kfd_process_evict_queues(struct kfd_process *p); 7216b95e797SFelix Kuehling int kfd_process_restore_queues(struct kfd_process *p); 72226103436SFelix Kuehling void kfd_suspend_all_processes(void); 72326103436SFelix Kuehling int kfd_resume_all_processes(void); 72419f6d2a6SOded Gabbay 725b84394e2SFelix Kuehling int kfd_process_device_init_vm(struct kfd_process_device *pdd, 726b84394e2SFelix Kuehling struct file *drm_file); 72764c7f8cfSBen Goz struct kfd_process_device *kfd_bind_process_to_device(struct kfd_dev *dev, 72864c7f8cfSBen Goz struct kfd_process *p); 72919f6d2a6SOded Gabbay struct kfd_process_device *kfd_get_process_device_data(struct kfd_dev *dev, 730093c7d8cSAlexey Skidanov struct kfd_process *p); 731093c7d8cSAlexey Skidanov struct kfd_process_device *kfd_create_process_device_data(struct kfd_dev *dev, 732093c7d8cSAlexey Skidanov struct kfd_process *p); 73319f6d2a6SOded Gabbay 734df03ef93SHarish Kasiviswanathan int kfd_reserved_mem_mmap(struct kfd_dev *dev, struct kfd_process *process, 735373d7080SFelix Kuehling struct vm_area_struct *vma); 736373d7080SFelix Kuehling 73752b29d73SFelix Kuehling /* KFD process API for creating and translating handles */ 73852b29d73SFelix Kuehling int kfd_process_device_create_obj_handle(struct kfd_process_device *pdd, 73952b29d73SFelix Kuehling void *mem); 74052b29d73SFelix Kuehling void *kfd_process_device_translate_handle(struct kfd_process_device *p, 74152b29d73SFelix Kuehling int handle); 74252b29d73SFelix Kuehling void kfd_process_device_remove_obj_handle(struct kfd_process_device *pdd, 74352b29d73SFelix Kuehling int handle); 74452b29d73SFelix Kuehling 745775921edSAlexey Skidanov /* Process device data iterator */ 7468eabaf54SKent Russell struct kfd_process_device *kfd_get_first_process_device_data( 7478eabaf54SKent Russell struct kfd_process *p); 7488eabaf54SKent Russell struct kfd_process_device *kfd_get_next_process_device_data( 7498eabaf54SKent Russell struct kfd_process *p, 750775921edSAlexey Skidanov struct kfd_process_device *pdd); 751775921edSAlexey Skidanov bool kfd_has_process_device_data(struct kfd_process *p); 752775921edSAlexey Skidanov 75319f6d2a6SOded Gabbay /* PASIDs */ 75419f6d2a6SOded Gabbay int kfd_pasid_init(void); 75519f6d2a6SOded Gabbay void kfd_pasid_exit(void); 75619f6d2a6SOded Gabbay bool kfd_set_pasid_limit(unsigned int new_limit); 75719f6d2a6SOded Gabbay unsigned int kfd_get_pasid_limit(void); 75819f6d2a6SOded Gabbay unsigned int kfd_pasid_alloc(void); 75919f6d2a6SOded Gabbay void kfd_pasid_free(unsigned int pasid); 76019f6d2a6SOded Gabbay 76119f6d2a6SOded Gabbay /* Doorbells */ 762ef568db7SFelix Kuehling size_t kfd_doorbell_process_slice(struct kfd_dev *kfd); 763735df2baSFelix Kuehling int kfd_doorbell_init(struct kfd_dev *kfd); 764735df2baSFelix Kuehling void kfd_doorbell_fini(struct kfd_dev *kfd); 765df03ef93SHarish Kasiviswanathan int kfd_doorbell_mmap(struct kfd_dev *dev, struct kfd_process *process, 766df03ef93SHarish Kasiviswanathan struct vm_area_struct *vma); 767ada2b29cSFelix Kuehling void __iomem *kfd_get_kernel_doorbell(struct kfd_dev *kfd, 76819f6d2a6SOded Gabbay unsigned int *doorbell_off); 76919f6d2a6SOded Gabbay void kfd_release_kernel_doorbell(struct kfd_dev *kfd, u32 __iomem *db_addr); 77019f6d2a6SOded Gabbay u32 read_kernel_doorbell(u32 __iomem *db); 771ada2b29cSFelix Kuehling void write_kernel_doorbell(void __iomem *db, u32 value); 7729d7d0248SFelix Kuehling void write_kernel_doorbell64(void __iomem *db, u64 value); 773ef568db7SFelix Kuehling unsigned int kfd_doorbell_id_to_offset(struct kfd_dev *kfd, 77419f6d2a6SOded Gabbay struct kfd_process *process, 775ef568db7SFelix Kuehling unsigned int doorbell_id); 776a91e70e3SFelix Kuehling phys_addr_t kfd_get_process_doorbells(struct kfd_dev *dev, 777a91e70e3SFelix Kuehling struct kfd_process *process); 778a91e70e3SFelix Kuehling int kfd_alloc_process_doorbells(struct kfd_process *process); 779a91e70e3SFelix Kuehling void kfd_free_process_doorbells(struct kfd_process *process); 78019f6d2a6SOded Gabbay 7816e81090bSOded Gabbay /* GTT Sub-Allocator */ 7826e81090bSOded Gabbay 7836e81090bSOded Gabbay int kfd_gtt_sa_allocate(struct kfd_dev *kfd, unsigned int size, 7846e81090bSOded Gabbay struct kfd_mem_obj **mem_obj); 7856e81090bSOded Gabbay 7866e81090bSOded Gabbay int kfd_gtt_sa_free(struct kfd_dev *kfd, struct kfd_mem_obj *mem_obj); 7876e81090bSOded Gabbay 7884a488a7aSOded Gabbay extern struct device *kfd_device; 7894a488a7aSOded Gabbay 7905b5c4e40SEvgeny Pinchuk /* Topology */ 7915b5c4e40SEvgeny Pinchuk int kfd_topology_init(void); 7925b5c4e40SEvgeny Pinchuk void kfd_topology_shutdown(void); 7935b5c4e40SEvgeny Pinchuk int kfd_topology_add_device(struct kfd_dev *gpu); 7945b5c4e40SEvgeny Pinchuk int kfd_topology_remove_device(struct kfd_dev *gpu); 7953a87177eSHarish Kasiviswanathan struct kfd_topology_device *kfd_topology_device_by_proximity_domain( 7963a87177eSHarish Kasiviswanathan uint32_t proximity_domain); 7975b5c4e40SEvgeny Pinchuk struct kfd_dev *kfd_device_by_id(uint32_t gpu_id); 7985b5c4e40SEvgeny Pinchuk struct kfd_dev *kfd_device_by_pci_dev(const struct pci_dev *pdev); 7996d82eb0eSHarish Kasiviswanathan int kfd_topology_enum_kfd_devices(uint8_t idx, struct kfd_dev **kdev); 800520b8fb7SFelix Kuehling int kfd_numa_node_to_apic_id(int numa_node_id); 8015b5c4e40SEvgeny Pinchuk 8024a488a7aSOded Gabbay /* Interrupts */ 8032249d558SAndrew Lewycky int kfd_interrupt_init(struct kfd_dev *dev); 8042249d558SAndrew Lewycky void kfd_interrupt_exit(struct kfd_dev *dev); 805b3f5e6b4SAndrew Lewycky void kgd2kfd_interrupt(struct kfd_dev *kfd, const void *ih_ring_entry); 8062249d558SAndrew Lewycky bool enqueue_ih_ring_entry(struct kfd_dev *kfd, const void *ih_ring_entry); 8072249d558SAndrew Lewycky bool interrupt_is_wanted(struct kfd_dev *dev, const uint32_t *ih_ring_entry); 8084a488a7aSOded Gabbay 8094a488a7aSOded Gabbay /* Power Management */ 810b3f5e6b4SAndrew Lewycky void kgd2kfd_suspend(struct kfd_dev *kfd); 811b3f5e6b4SAndrew Lewycky int kgd2kfd_resume(struct kfd_dev *kfd); 8124a488a7aSOded Gabbay 81319f6d2a6SOded Gabbay /* amdkfd Apertures */ 81419f6d2a6SOded Gabbay int kfd_init_apertures(struct kfd_process *process); 81519f6d2a6SOded Gabbay 816ed6e6a34SBen Goz /* Queue Context Management */ 817e88a614cSEdward O'Callaghan int init_queue(struct queue **q, const struct queue_properties *properties); 818ed6e6a34SBen Goz void uninit_queue(struct queue *q); 81945102048SBen Goz void print_queue_properties(struct queue_properties *q); 820ed6e6a34SBen Goz void print_queue(struct queue *q); 821ed6e6a34SBen Goz 82264c7f8cfSBen Goz struct mqd_manager *mqd_manager_init(enum KFD_MQD_TYPE type, 82364c7f8cfSBen Goz struct kfd_dev *dev); 8244b8f589bSBen Goz struct mqd_manager *mqd_manager_init_cik(enum KFD_MQD_TYPE type, 8254b8f589bSBen Goz struct kfd_dev *dev); 826ee04955aSFelix Kuehling struct mqd_manager *mqd_manager_init_cik_hawaii(enum KFD_MQD_TYPE type, 827ee04955aSFelix Kuehling struct kfd_dev *dev); 8284b8f589bSBen Goz struct mqd_manager *mqd_manager_init_vi(enum KFD_MQD_TYPE type, 8294b8f589bSBen Goz struct kfd_dev *dev); 830ee04955aSFelix Kuehling struct mqd_manager *mqd_manager_init_vi_tonga(enum KFD_MQD_TYPE type, 831ee04955aSFelix Kuehling struct kfd_dev *dev); 832b91d43ddSFelix Kuehling struct mqd_manager *mqd_manager_init_v9(enum KFD_MQD_TYPE type, 833b91d43ddSFelix Kuehling struct kfd_dev *dev); 83464c7f8cfSBen Goz struct device_queue_manager *device_queue_manager_init(struct kfd_dev *dev); 83564c7f8cfSBen Goz void device_queue_manager_uninit(struct device_queue_manager *dqm); 836241f24f8SBen Goz struct kernel_queue *kernel_queue_init(struct kfd_dev *dev, 837241f24f8SBen Goz enum kfd_queue_type type); 838241f24f8SBen Goz void kernel_queue_uninit(struct kernel_queue *kq); 839241f24f8SBen Goz 84045102048SBen Goz /* Process Queue Manager */ 84145102048SBen Goz struct process_queue_node { 84245102048SBen Goz struct queue *q; 84345102048SBen Goz struct kernel_queue *kq; 84445102048SBen Goz struct list_head process_queue_list; 84545102048SBen Goz }; 84645102048SBen Goz 8479fd3f1bfSFelix Kuehling void kfd_process_dequeue_from_device(struct kfd_process_device *pdd); 8489fd3f1bfSFelix Kuehling void kfd_process_dequeue_from_all_devices(struct kfd_process *p); 84945102048SBen Goz int pqm_init(struct process_queue_manager *pqm, struct kfd_process *p); 85045102048SBen Goz void pqm_uninit(struct process_queue_manager *pqm); 85145102048SBen Goz int pqm_create_queue(struct process_queue_manager *pqm, 85245102048SBen Goz struct kfd_dev *dev, 85345102048SBen Goz struct file *f, 85445102048SBen Goz struct queue_properties *properties, 85545102048SBen Goz unsigned int *qid); 85645102048SBen Goz int pqm_destroy_queue(struct process_queue_manager *pqm, unsigned int qid); 85745102048SBen Goz int pqm_update_queue(struct process_queue_manager *pqm, unsigned int qid, 85845102048SBen Goz struct queue_properties *p); 859fbeb661bSYair Shachar struct kernel_queue *pqm_get_kernel_queue(struct process_queue_manager *pqm, 860fbeb661bSYair Shachar unsigned int qid); 86145102048SBen Goz 862788bf83dSYair Shachar int amdkfd_fence_wait_timeout(unsigned int *fence_addr, 863788bf83dSYair Shachar unsigned int fence_value, 8648c72c3d7SYong Zhao unsigned int timeout_ms); 865788bf83dSYair Shachar 866ed6e6a34SBen Goz /* Packet Manager */ 867ed6e6a34SBen Goz 86864c7f8cfSBen Goz #define KFD_FENCE_COMPLETED (100) 86964c7f8cfSBen Goz #define KFD_FENCE_INIT (10) 870241f24f8SBen Goz 871ed6e6a34SBen Goz struct packet_manager { 872ed6e6a34SBen Goz struct device_queue_manager *dqm; 873ed6e6a34SBen Goz struct kernel_queue *priv_queue; 874ed6e6a34SBen Goz struct mutex lock; 875ed6e6a34SBen Goz bool allocated; 876ed6e6a34SBen Goz struct kfd_mem_obj *ib_buffer_obj; 877851a645eSFelix Kuehling unsigned int ib_size_bytes; 878f6e27ff1SFelix Kuehling 879f6e27ff1SFelix Kuehling const struct packet_manager_funcs *pmf; 880ed6e6a34SBen Goz }; 881ed6e6a34SBen Goz 882f6e27ff1SFelix Kuehling struct packet_manager_funcs { 883f6e27ff1SFelix Kuehling /* Support ASIC-specific packet formats for PM4 packets */ 884f6e27ff1SFelix Kuehling int (*map_process)(struct packet_manager *pm, uint32_t *buffer, 885f6e27ff1SFelix Kuehling struct qcm_process_device *qpd); 886f6e27ff1SFelix Kuehling int (*runlist)(struct packet_manager *pm, uint32_t *buffer, 887f6e27ff1SFelix Kuehling uint64_t ib, size_t ib_size_in_dwords, bool chain); 888f6e27ff1SFelix Kuehling int (*set_resources)(struct packet_manager *pm, uint32_t *buffer, 889f6e27ff1SFelix Kuehling struct scheduling_resources *res); 890f6e27ff1SFelix Kuehling int (*map_queues)(struct packet_manager *pm, uint32_t *buffer, 891f6e27ff1SFelix Kuehling struct queue *q, bool is_static); 892f6e27ff1SFelix Kuehling int (*unmap_queues)(struct packet_manager *pm, uint32_t *buffer, 893f6e27ff1SFelix Kuehling enum kfd_queue_type type, 894f6e27ff1SFelix Kuehling enum kfd_unmap_queues_filter mode, 895f6e27ff1SFelix Kuehling uint32_t filter_param, bool reset, 896f6e27ff1SFelix Kuehling unsigned int sdma_engine); 897f6e27ff1SFelix Kuehling int (*query_status)(struct packet_manager *pm, uint32_t *buffer, 898f6e27ff1SFelix Kuehling uint64_t fence_address, uint32_t fence_value); 899f6e27ff1SFelix Kuehling int (*release_mem)(uint64_t gpu_addr, uint32_t *buffer); 900f6e27ff1SFelix Kuehling 901f6e27ff1SFelix Kuehling /* Packet sizes */ 902f6e27ff1SFelix Kuehling int map_process_size; 903f6e27ff1SFelix Kuehling int runlist_size; 904f6e27ff1SFelix Kuehling int set_resources_size; 905f6e27ff1SFelix Kuehling int map_queues_size; 906f6e27ff1SFelix Kuehling int unmap_queues_size; 907f6e27ff1SFelix Kuehling int query_status_size; 908f6e27ff1SFelix Kuehling int release_mem_size; 909f6e27ff1SFelix Kuehling }; 910f6e27ff1SFelix Kuehling 911f6e27ff1SFelix Kuehling extern const struct packet_manager_funcs kfd_vi_pm_funcs; 912454150b1SFelix Kuehling extern const struct packet_manager_funcs kfd_v9_pm_funcs; 913f6e27ff1SFelix Kuehling 91464c7f8cfSBen Goz int pm_init(struct packet_manager *pm, struct device_queue_manager *dqm); 91564c7f8cfSBen Goz void pm_uninit(struct packet_manager *pm); 91664c7f8cfSBen Goz int pm_send_set_resources(struct packet_manager *pm, 91764c7f8cfSBen Goz struct scheduling_resources *res); 91864c7f8cfSBen Goz int pm_send_runlist(struct packet_manager *pm, struct list_head *dqm_queues); 91964c7f8cfSBen Goz int pm_send_query_status(struct packet_manager *pm, uint64_t fence_address, 92064c7f8cfSBen Goz uint32_t fence_value); 92164c7f8cfSBen Goz 92264c7f8cfSBen Goz int pm_send_unmap_queue(struct packet_manager *pm, enum kfd_queue_type type, 9237da2bcf8SYong Zhao enum kfd_unmap_queues_filter mode, 92464c7f8cfSBen Goz uint32_t filter_param, bool reset, 92564c7f8cfSBen Goz unsigned int sdma_engine); 92664c7f8cfSBen Goz 927241f24f8SBen Goz void pm_release_ib(struct packet_manager *pm); 928241f24f8SBen Goz 929454150b1SFelix Kuehling /* Following PM funcs can be shared among VI and AI */ 930454150b1SFelix Kuehling unsigned int pm_build_pm4_header(unsigned int opcode, size_t packet_size); 931454150b1SFelix Kuehling int pm_set_resources_vi(struct packet_manager *pm, uint32_t *buffer, 932454150b1SFelix Kuehling struct scheduling_resources *res); 933454150b1SFelix Kuehling 93419f6d2a6SOded Gabbay uint64_t kfd_get_number_elems(struct kfd_dev *kfd); 93519f6d2a6SOded Gabbay 936f3a39818SAndrew Lewycky /* Events */ 937f3a39818SAndrew Lewycky extern const struct kfd_event_interrupt_class event_interrupt_class_cik; 938ca750681SFelix Kuehling extern const struct kfd_event_interrupt_class event_interrupt_class_v9; 939ca750681SFelix Kuehling 940930c5ff4SAlexey Skidanov extern const struct kfd_device_global_init_class device_global_init_class_cik; 941f3a39818SAndrew Lewycky 942f3a39818SAndrew Lewycky void kfd_event_init_process(struct kfd_process *p); 943f3a39818SAndrew Lewycky void kfd_event_free_process(struct kfd_process *p); 944f3a39818SAndrew Lewycky int kfd_event_mmap(struct kfd_process *process, struct vm_area_struct *vma); 945f3a39818SAndrew Lewycky int kfd_wait_on_events(struct kfd_process *p, 94659d3e8beSAlexey Skidanov uint32_t num_events, void __user *data, 947f3a39818SAndrew Lewycky bool all, uint32_t user_timeout_ms, 948fdf0c833SFelix Kuehling uint32_t *wait_result); 949f3a39818SAndrew Lewycky void kfd_signal_event_interrupt(unsigned int pasid, uint32_t partial_id, 950f3a39818SAndrew Lewycky uint32_t valid_id_bits); 95159d3e8beSAlexey Skidanov void kfd_signal_iommu_event(struct kfd_dev *dev, 95259d3e8beSAlexey Skidanov unsigned int pasid, unsigned long address, 95359d3e8beSAlexey Skidanov bool is_write_requested, bool is_execute_requested); 954930c5ff4SAlexey Skidanov void kfd_signal_hw_exception_event(unsigned int pasid); 955f3a39818SAndrew Lewycky int kfd_set_event(struct kfd_process *p, uint32_t event_id); 956f3a39818SAndrew Lewycky int kfd_reset_event(struct kfd_process *p, uint32_t event_id); 9570fc8011fSFelix Kuehling int kfd_event_page_set(struct kfd_process *p, void *kernel_address, 9580fc8011fSFelix Kuehling uint64_t size); 959f3a39818SAndrew Lewycky int kfd_event_create(struct file *devkfd, struct kfd_process *p, 960f3a39818SAndrew Lewycky uint32_t event_type, bool auto_reset, uint32_t node_id, 961f3a39818SAndrew Lewycky uint32_t *event_id, uint32_t *event_trigger_data, 962f3a39818SAndrew Lewycky uint64_t *event_page_offset, uint32_t *event_slot_index); 963f3a39818SAndrew Lewycky int kfd_event_destroy(struct kfd_process *p, uint32_t event_id); 964f3a39818SAndrew Lewycky 965403575c4SFelix Kuehling void kfd_flush_tlb(struct kfd_process_device *pdd); 966403575c4SFelix Kuehling 967c3447e81SBen Goz int dbgdev_wave_reset_wavefronts(struct kfd_dev *dev, struct kfd_process *p); 968c3447e81SBen Goz 969851a645eSFelix Kuehling /* Debugfs */ 970851a645eSFelix Kuehling #if defined(CONFIG_DEBUG_FS) 971851a645eSFelix Kuehling 972851a645eSFelix Kuehling void kfd_debugfs_init(void); 973851a645eSFelix Kuehling void kfd_debugfs_fini(void); 974851a645eSFelix Kuehling int kfd_debugfs_mqds_by_process(struct seq_file *m, void *data); 975851a645eSFelix Kuehling int pqm_debugfs_mqds(struct seq_file *m, void *data); 976851a645eSFelix Kuehling int kfd_debugfs_hqds_by_device(struct seq_file *m, void *data); 977851a645eSFelix Kuehling int dqm_debugfs_hqds(struct seq_file *m, void *data); 978851a645eSFelix Kuehling int kfd_debugfs_rls_by_device(struct seq_file *m, void *data); 979851a645eSFelix Kuehling int pm_debugfs_runlist(struct seq_file *m, void *data); 980851a645eSFelix Kuehling 981851a645eSFelix Kuehling #else 982851a645eSFelix Kuehling 983851a645eSFelix Kuehling static inline void kfd_debugfs_init(void) {} 984851a645eSFelix Kuehling static inline void kfd_debugfs_fini(void) {} 985851a645eSFelix Kuehling 986851a645eSFelix Kuehling #endif 987851a645eSFelix Kuehling 9884a488a7aSOded Gabbay #endif 989