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> 38de9f26bbSKent Russell #include <linux/sysfs.h> 394a488a7aSOded Gabbay #include <kgd_kfd_interface.h> 404a488a7aSOded Gabbay 41e596b903SYong Zhao #include "amd_shared.h" 42e596b903SYong Zhao 43af47b390SLaura Abbott #define KFD_MAX_RING_ENTRY_SIZE 8 44af47b390SLaura Abbott 455b5c4e40SEvgeny Pinchuk #define KFD_SYSFS_FILE_MODE 0444 465b5c4e40SEvgeny Pinchuk 47df03ef93SHarish Kasiviswanathan /* GPU ID hash width in bits */ 48df03ef93SHarish Kasiviswanathan #define KFD_GPU_ID_HASH_WIDTH 16 49df03ef93SHarish Kasiviswanathan 50df03ef93SHarish Kasiviswanathan /* Use upper bits of mmap offset to store KFD driver specific information. 51df03ef93SHarish Kasiviswanathan * BITS[63:62] - Encode MMAP type 52df03ef93SHarish Kasiviswanathan * BITS[61:46] - Encode gpu_id. To identify to which GPU the offset belongs to 53df03ef93SHarish Kasiviswanathan * BITS[45:0] - MMAP offset value 54df03ef93SHarish Kasiviswanathan * 55df03ef93SHarish Kasiviswanathan * NOTE: struct vm_area_struct.vm_pgoff uses offset in pages. Hence, these 56df03ef93SHarish Kasiviswanathan * defines are w.r.t to PAGE_SIZE 57df03ef93SHarish Kasiviswanathan */ 58df03ef93SHarish Kasiviswanathan #define KFD_MMAP_TYPE_SHIFT (62 - PAGE_SHIFT) 59df03ef93SHarish Kasiviswanathan #define KFD_MMAP_TYPE_MASK (0x3ULL << KFD_MMAP_TYPE_SHIFT) 60df03ef93SHarish Kasiviswanathan #define KFD_MMAP_TYPE_DOORBELL (0x3ULL << KFD_MMAP_TYPE_SHIFT) 61df03ef93SHarish Kasiviswanathan #define KFD_MMAP_TYPE_EVENTS (0x2ULL << KFD_MMAP_TYPE_SHIFT) 62df03ef93SHarish Kasiviswanathan #define KFD_MMAP_TYPE_RESERVED_MEM (0x1ULL << KFD_MMAP_TYPE_SHIFT) 63d33ea570SOak Zeng #define KFD_MMAP_TYPE_MMIO (0x0ULL << KFD_MMAP_TYPE_SHIFT) 64df03ef93SHarish Kasiviswanathan 65df03ef93SHarish Kasiviswanathan #define KFD_MMAP_GPU_ID_SHIFT (46 - PAGE_SHIFT) 66df03ef93SHarish Kasiviswanathan #define KFD_MMAP_GPU_ID_MASK (((1ULL << KFD_GPU_ID_HASH_WIDTH) - 1) \ 67df03ef93SHarish Kasiviswanathan << KFD_MMAP_GPU_ID_SHIFT) 68df03ef93SHarish Kasiviswanathan #define KFD_MMAP_GPU_ID(gpu_id) ((((uint64_t)gpu_id) << KFD_MMAP_GPU_ID_SHIFT)\ 69df03ef93SHarish Kasiviswanathan & KFD_MMAP_GPU_ID_MASK) 70df03ef93SHarish Kasiviswanathan #define KFD_MMAP_GPU_ID_GET(offset) ((offset & KFD_MMAP_GPU_ID_MASK) \ 71df03ef93SHarish Kasiviswanathan >> KFD_MMAP_GPU_ID_SHIFT) 72df03ef93SHarish Kasiviswanathan 73df03ef93SHarish Kasiviswanathan #define KFD_MMAP_OFFSET_VALUE_MASK (0x3FFFFFFFFFFFULL >> PAGE_SHIFT) 74df03ef93SHarish Kasiviswanathan #define KFD_MMAP_OFFSET_VALUE_GET(offset) (offset & KFD_MMAP_OFFSET_VALUE_MASK) 75f3a39818SAndrew Lewycky 76ed6e6a34SBen Goz /* 77ed6e6a34SBen Goz * When working with cp scheduler we should assign the HIQ manually or via 78e7016d8eSYong Zhao * the amdgpu driver to a fixed hqd slot, here are the fixed HIQ hqd slot 79ed6e6a34SBen Goz * definitions for Kaveri. In Kaveri only the first ME queues participates 80ed6e6a34SBen Goz * in the cp scheduling taking that in mind we set the HIQ slot in the 81ed6e6a34SBen Goz * second ME. 82ed6e6a34SBen Goz */ 83ed6e6a34SBen Goz #define KFD_CIK_HIQ_PIPE 4 84ed6e6a34SBen Goz #define KFD_CIK_HIQ_QUEUE 0 85ed6e6a34SBen Goz 865b5c4e40SEvgeny Pinchuk /* Macro for allocating structures */ 875b5c4e40SEvgeny Pinchuk #define kfd_alloc_struct(ptr_to_struct) \ 885b5c4e40SEvgeny Pinchuk ((typeof(ptr_to_struct)) kzalloc(sizeof(*ptr_to_struct), GFP_KERNEL)) 895b5c4e40SEvgeny Pinchuk 9019f6d2a6SOded Gabbay #define KFD_MAX_NUM_OF_PROCESSES 512 91b8cbab04SOded Gabbay #define KFD_MAX_NUM_OF_QUEUES_PER_PROCESS 1024 9219f6d2a6SOded Gabbay 9319f6d2a6SOded Gabbay /* 94373d7080SFelix Kuehling * Size of the per-process TBA+TMA buffer: 2 pages 95373d7080SFelix Kuehling * 96373d7080SFelix Kuehling * The first page is the TBA used for the CWSR ISA code. The second 97373d7080SFelix Kuehling * page is used as TMA for daisy changing a user-mode trap handler. 98373d7080SFelix Kuehling */ 99373d7080SFelix Kuehling #define KFD_CWSR_TBA_TMA_SIZE (PAGE_SIZE * 2) 100373d7080SFelix Kuehling #define KFD_CWSR_TMA_OFFSET PAGE_SIZE 101373d7080SFelix Kuehling 10274523943SYong Zhao #define KFD_MAX_NUM_OF_QUEUES_PER_DEVICE \ 10374523943SYong Zhao (KFD_MAX_NUM_OF_PROCESSES * \ 10474523943SYong Zhao KFD_MAX_NUM_OF_QUEUES_PER_PROCESS) 10574523943SYong Zhao 10674523943SYong Zhao #define KFD_KERNEL_QUEUE_SIZE 2048 10774523943SYong Zhao 10814328aa5SPhilip Cox #define KFD_UNMAP_LATENCY_MS (4000) 10914328aa5SPhilip Cox 110373d7080SFelix Kuehling /* 1111f86805aSYong Zhao * 512 = 0x200 1121f86805aSYong Zhao * The doorbell index distance between SDMA RLC (2*i) and (2*i+1) in the 1131f86805aSYong Zhao * same SDMA engine on SOC15, which has 8-byte doorbells for SDMA. 1141f86805aSYong Zhao * 512 8-byte doorbell distance (i.e. one page away) ensures that SDMA RLC 1151f86805aSYong Zhao * (2*i+1) doorbells (in terms of the lower 12 bit address) lie exactly in 1161f86805aSYong Zhao * the OFFSET and SIZE set in registers like BIF_SDMA0_DOORBELL_RANGE. 1171f86805aSYong Zhao */ 1181f86805aSYong Zhao #define KFD_QUEUE_DOORBELL_MIRROR_OFFSET 512 1191f86805aSYong Zhao 1201f86805aSYong Zhao 1211f86805aSYong Zhao /* 122b8cbab04SOded Gabbay * Kernel module parameter to specify maximum number of supported queues per 123b8cbab04SOded Gabbay * device 12419f6d2a6SOded Gabbay */ 125b8cbab04SOded Gabbay extern int max_num_of_queues_per_device; 12619f6d2a6SOded Gabbay 127ed6e6a34SBen Goz 12831c21fecSBen Goz /* Kernel module parameter to specify the scheduling policy */ 12931c21fecSBen Goz extern int sched_policy; 13031c21fecSBen Goz 131a99c6d4fSFelix Kuehling /* 132a99c6d4fSFelix Kuehling * Kernel module parameter to specify the maximum process 133a99c6d4fSFelix Kuehling * number per HW scheduler 134a99c6d4fSFelix Kuehling */ 135a99c6d4fSFelix Kuehling extern int hws_max_conc_proc; 136a99c6d4fSFelix Kuehling 137373d7080SFelix Kuehling extern int cwsr_enable; 138373d7080SFelix Kuehling 13981663016SOded Gabbay /* 14081663016SOded Gabbay * Kernel module parameter to specify whether to send sigterm to HSA process on 14181663016SOded Gabbay * unhandled exception 14281663016SOded Gabbay */ 14381663016SOded Gabbay extern int send_sigterm; 14481663016SOded Gabbay 145ebcfd1e2SFelix Kuehling /* 146374200b1SFelix Kuehling * This kernel module is used to simulate large bar machine on non-large bar 147374200b1SFelix Kuehling * enabled machines. 148374200b1SFelix Kuehling */ 149374200b1SFelix Kuehling extern int debug_largebar; 150374200b1SFelix Kuehling 151374200b1SFelix Kuehling /* 152ebcfd1e2SFelix Kuehling * Ignore CRAT table during KFD initialization, can be used to work around 153ebcfd1e2SFelix Kuehling * broken CRAT tables on some AMD systems 154ebcfd1e2SFelix Kuehling */ 155ebcfd1e2SFelix Kuehling extern int ignore_crat; 156ebcfd1e2SFelix Kuehling 157bed4f110SFelix Kuehling /* 158bed4f110SFelix Kuehling * Set sh_mem_config.retry_disable on Vega10 159bed4f110SFelix Kuehling */ 1602b281977SYong Zhao extern int noretry; 161bed4f110SFelix Kuehling 1620e9a860cSYong Zhao /* 1630e9a860cSYong Zhao * Halt if HWS hang is detected 1640e9a860cSYong Zhao */ 1650e9a860cSYong Zhao extern int halt_if_hws_hang; 1660e9a860cSYong Zhao 16729e76462SOak Zeng /* 16829e76462SOak Zeng * Whether MEC FW support GWS barriers 16929e76462SOak Zeng */ 17029e76462SOak Zeng extern bool hws_gws_support; 17129e76462SOak Zeng 17214328aa5SPhilip Cox /* 17314328aa5SPhilip Cox * Queue preemption timeout in ms 17414328aa5SPhilip Cox */ 17514328aa5SPhilip Cox extern int queue_preemption_timeout_ms; 17614328aa5SPhilip Cox 177ed6e6a34SBen Goz enum cache_policy { 178ed6e6a34SBen Goz cache_policy_coherent, 179ed6e6a34SBen Goz cache_policy_noncoherent 180ed6e6a34SBen Goz }; 181ed6e6a34SBen Goz 18214328aa5SPhilip Cox #define KFD_IS_VI(chip) ((chip) >= CHIP_CARRIZO && (chip) <= CHIP_POLARIS11) 18314328aa5SPhilip Cox #define KFD_IS_DGPU(chip) (((chip) >= CHIP_TONGA && \ 18414328aa5SPhilip Cox (chip) <= CHIP_NAVI10) || \ 18514328aa5SPhilip Cox (chip) == CHIP_HAWAII) 186ef568db7SFelix Kuehling #define KFD_IS_SOC15(chip) ((chip) >= CHIP_VEGA10) 187ef568db7SFelix Kuehling 188f3a39818SAndrew Lewycky struct kfd_event_interrupt_class { 189f3a39818SAndrew Lewycky bool (*interrupt_isr)(struct kfd_dev *dev, 19058e69886SLan Xiao const uint32_t *ih_ring_entry, uint32_t *patched_ihre, 19158e69886SLan Xiao bool *patched_flag); 192f3a39818SAndrew Lewycky void (*interrupt_wq)(struct kfd_dev *dev, 193f3a39818SAndrew Lewycky const uint32_t *ih_ring_entry); 194f3a39818SAndrew Lewycky }; 195f3a39818SAndrew Lewycky 1964a488a7aSOded Gabbay struct kfd_device_info { 197e596b903SYong Zhao enum amd_asic_type asic_family; 198f3a39818SAndrew Lewycky const struct kfd_event_interrupt_class *event_interrupt_class; 1994a488a7aSOded Gabbay unsigned int max_pasid_bits; 200992839adSYair Shachar unsigned int max_no_of_hqd; 201ada2b29cSFelix Kuehling unsigned int doorbell_size; 2024a488a7aSOded Gabbay size_t ih_ring_entry_size; 203f7c826adSAlexey Skidanov uint8_t num_of_watch_points; 20419f6d2a6SOded Gabbay uint16_t mqd_size_aligned; 205373d7080SFelix Kuehling bool supports_cwsr; 20664d1c3a4SFelix Kuehling bool needs_iommu_device; 2073ee2d00cSFelix Kuehling bool needs_pci_atomics; 20898bb9222SYong Zhao unsigned int num_sdma_engines; 2091b4670f6SOak Zeng unsigned int num_xgmi_sdma_engines; 210d5094189SShaoyun Liu unsigned int num_sdma_queues_per_engine; 2114a488a7aSOded Gabbay }; 2124a488a7aSOded Gabbay 21336b5c08fSOded Gabbay struct kfd_mem_obj { 21436b5c08fSOded Gabbay uint32_t range_start; 21536b5c08fSOded Gabbay uint32_t range_end; 21636b5c08fSOded Gabbay uint64_t gpu_addr; 21736b5c08fSOded Gabbay uint32_t *cpu_ptr; 218b91d43ddSFelix Kuehling void *gtt_mem; 21936b5c08fSOded Gabbay }; 22036b5c08fSOded Gabbay 22144008d7aSYong Zhao struct kfd_vmid_info { 22244008d7aSYong Zhao uint32_t first_vmid_kfd; 22344008d7aSYong Zhao uint32_t last_vmid_kfd; 22444008d7aSYong Zhao uint32_t vmid_num_kfd; 22544008d7aSYong Zhao }; 22644008d7aSYong Zhao 2274a488a7aSOded Gabbay struct kfd_dev { 2284a488a7aSOded Gabbay struct kgd_dev *kgd; 2294a488a7aSOded Gabbay 2304a488a7aSOded Gabbay const struct kfd_device_info *device_info; 2314a488a7aSOded Gabbay struct pci_dev *pdev; 2324a488a7aSOded Gabbay 2334a488a7aSOded Gabbay unsigned int id; /* topology stub index */ 2344a488a7aSOded Gabbay 23519f6d2a6SOded Gabbay phys_addr_t doorbell_base; /* Start of actual doorbells used by 23619f6d2a6SOded Gabbay * KFD. It is aligned for mapping 23719f6d2a6SOded Gabbay * into user mode 23819f6d2a6SOded Gabbay */ 23919f6d2a6SOded Gabbay size_t doorbell_id_offset; /* Doorbell offset (from KFD doorbell 24019f6d2a6SOded Gabbay * to HW doorbell, GFX reserved some 24119f6d2a6SOded Gabbay * at the start) 24219f6d2a6SOded Gabbay */ 24319f6d2a6SOded Gabbay u32 __iomem *doorbell_kernel_ptr; /* This is a pointer for a doorbells 24419f6d2a6SOded Gabbay * page used by kernel queue 24519f6d2a6SOded Gabbay */ 24619f6d2a6SOded Gabbay 2474a488a7aSOded Gabbay struct kgd2kfd_shared_resources shared_resources; 24844008d7aSYong Zhao struct kfd_vmid_info vm_info; 2494a488a7aSOded Gabbay 250cea405b1SXihan Zhang const struct kfd2kgd_calls *kfd2kgd; 251cea405b1SXihan Zhang struct mutex doorbell_mutex; 252f761d8bdSJoe Perches DECLARE_BITMAP(doorbell_available_index, 253f761d8bdSJoe Perches KFD_MAX_NUM_OF_QUEUES_PER_PROCESS); 254cea405b1SXihan Zhang 25536b5c08fSOded Gabbay void *gtt_mem; 25636b5c08fSOded Gabbay uint64_t gtt_start_gpu_addr; 25736b5c08fSOded Gabbay void *gtt_start_cpu_ptr; 25836b5c08fSOded Gabbay void *gtt_sa_bitmap; 25936b5c08fSOded Gabbay struct mutex gtt_sa_lock; 26036b5c08fSOded Gabbay unsigned int gtt_sa_chunk_size; 26136b5c08fSOded Gabbay unsigned int gtt_sa_num_of_chunks; 26236b5c08fSOded Gabbay 2632249d558SAndrew Lewycky /* Interrupts */ 26404ad47bdSAndres Rodriguez struct kfifo ih_fifo; 26548e876a2SAndres Rodriguez struct workqueue_struct *ih_wq; 2662249d558SAndrew Lewycky struct work_struct interrupt_work; 2672249d558SAndrew Lewycky spinlock_t interrupt_lock; 2682249d558SAndrew Lewycky 269ed6e6a34SBen Goz /* QCM Device instance */ 270ed6e6a34SBen Goz struct device_queue_manager *dqm; 2714a488a7aSOded Gabbay 272ed6e6a34SBen Goz bool init_complete; 2732249d558SAndrew Lewycky /* 2742249d558SAndrew Lewycky * Interrupts of interest to KFD are copied 2752249d558SAndrew Lewycky * from the HW ring into a SW ring. 2762249d558SAndrew Lewycky */ 2772249d558SAndrew Lewycky bool interrupts_active; 278fbeb661bSYair Shachar 279fbeb661bSYair Shachar /* Debug manager */ 280fbeb661bSYair Shachar struct kfd_dbgmgr *dbgmgr; 281373d7080SFelix Kuehling 2825ade6c9cSFelix Kuehling /* Firmware versions */ 2835ade6c9cSFelix Kuehling uint16_t mec_fw_version; 2845ade6c9cSFelix Kuehling uint16_t sdma_fw_version; 2855ade6c9cSFelix Kuehling 286a99c6d4fSFelix Kuehling /* Maximum process number mapped to HW scheduler */ 287a99c6d4fSFelix Kuehling unsigned int max_proc_per_quantum; 288a99c6d4fSFelix Kuehling 289373d7080SFelix Kuehling /* CWSR */ 290373d7080SFelix Kuehling bool cwsr_enabled; 291373d7080SFelix Kuehling const void *cwsr_isa; 292373d7080SFelix Kuehling unsigned int cwsr_isa_size; 2930c1690e3SShaoyun Liu 2940c1690e3SShaoyun Liu /* xGMI */ 2950c1690e3SShaoyun Liu uint64_t hive_id; 296d35f00d8SEric Huang 297d35f00d8SEric Huang bool pci_atomic_requested; 2989b54d201SEric Huang 2999b54d201SEric Huang /* SRAM ECC flag */ 3009b54d201SEric Huang atomic_t sram_ecc_flag; 301f756e631SHarish Kasiviswanathan 302f756e631SHarish Kasiviswanathan /* Compute Profile ref. count */ 303f756e631SHarish Kasiviswanathan atomic_t compute_profile; 304e09d4fc8SOak Zeng 305e09d4fc8SOak Zeng /* Global GWS resource shared b/t processes*/ 306e09d4fc8SOak Zeng void *gws; 3074a488a7aSOded Gabbay }; 3084a488a7aSOded Gabbay 30919f6d2a6SOded Gabbay enum kfd_mempool { 31019f6d2a6SOded Gabbay KFD_MEMPOOL_SYSTEM_CACHEABLE = 1, 31119f6d2a6SOded Gabbay KFD_MEMPOOL_SYSTEM_WRITECOMBINE = 2, 31219f6d2a6SOded Gabbay KFD_MEMPOOL_FRAMEBUFFER = 3, 31319f6d2a6SOded Gabbay }; 31419f6d2a6SOded Gabbay 3154a488a7aSOded Gabbay /* Character device interface */ 3164a488a7aSOded Gabbay int kfd_chardev_init(void); 3174a488a7aSOded Gabbay void kfd_chardev_exit(void); 3184a488a7aSOded Gabbay struct device *kfd_chardev(void); 3194a488a7aSOded Gabbay 320241f24f8SBen Goz /** 3217da2bcf8SYong Zhao * enum kfd_unmap_queues_filter 322241f24f8SBen Goz * 3237da2bcf8SYong Zhao * @KFD_UNMAP_QUEUES_FILTER_SINGLE_QUEUE: Preempts single queue. 324241f24f8SBen Goz * 3257da2bcf8SYong Zhao * @KFD_UNMAP_QUEUES_FILTER_ALL_QUEUES: Preempts all queues in the 326241f24f8SBen Goz * running queues list. 327241f24f8SBen Goz * 3287da2bcf8SYong Zhao * @KFD_UNMAP_QUEUES_FILTER_BY_PASID: Preempts queues that belongs to 329241f24f8SBen Goz * specific process. 330241f24f8SBen Goz * 331241f24f8SBen Goz */ 3327da2bcf8SYong Zhao enum kfd_unmap_queues_filter { 3337da2bcf8SYong Zhao KFD_UNMAP_QUEUES_FILTER_SINGLE_QUEUE, 3347da2bcf8SYong Zhao KFD_UNMAP_QUEUES_FILTER_ALL_QUEUES, 3357da2bcf8SYong Zhao KFD_UNMAP_QUEUES_FILTER_DYNAMIC_QUEUES, 3367da2bcf8SYong Zhao KFD_UNMAP_QUEUES_FILTER_BY_PASID 337241f24f8SBen Goz }; 33819f6d2a6SOded Gabbay 339ed8aab45SBen Goz /** 340ed8aab45SBen Goz * enum kfd_queue_type 341ed8aab45SBen Goz * 342ed8aab45SBen Goz * @KFD_QUEUE_TYPE_COMPUTE: Regular user mode queue type. 343ed8aab45SBen Goz * 344ed8aab45SBen Goz * @KFD_QUEUE_TYPE_SDMA: Sdma user mode queue type. 345ed8aab45SBen Goz * 346ed8aab45SBen Goz * @KFD_QUEUE_TYPE_HIQ: HIQ queue type. 347ed8aab45SBen Goz * 348ed8aab45SBen Goz * @KFD_QUEUE_TYPE_DIQ: DIQ queue type. 349ed8aab45SBen Goz */ 350ed8aab45SBen Goz enum kfd_queue_type { 351ed8aab45SBen Goz KFD_QUEUE_TYPE_COMPUTE, 352ed8aab45SBen Goz KFD_QUEUE_TYPE_SDMA, 353ed8aab45SBen Goz KFD_QUEUE_TYPE_HIQ, 3541b4670f6SOak Zeng KFD_QUEUE_TYPE_DIQ, 3551b4670f6SOak Zeng KFD_QUEUE_TYPE_SDMA_XGMI 356ed8aab45SBen Goz }; 357ed8aab45SBen Goz 3586e99df57SBen Goz enum kfd_queue_format { 3596e99df57SBen Goz KFD_QUEUE_FORMAT_PM4, 3606e99df57SBen Goz KFD_QUEUE_FORMAT_AQL 3616e99df57SBen Goz }; 3626e99df57SBen Goz 3630ccbc7cdSOak Zeng enum KFD_QUEUE_PRIORITY { 3640ccbc7cdSOak Zeng KFD_QUEUE_PRIORITY_MINIMUM = 0, 3650ccbc7cdSOak Zeng KFD_QUEUE_PRIORITY_MAXIMUM = 15 3660ccbc7cdSOak Zeng }; 3670ccbc7cdSOak Zeng 368ed8aab45SBen Goz /** 369ed8aab45SBen Goz * struct queue_properties 370ed8aab45SBen Goz * 371ed8aab45SBen Goz * @type: The queue type. 372ed8aab45SBen Goz * 373ed8aab45SBen Goz * @queue_id: Queue identifier. 374ed8aab45SBen Goz * 375ed8aab45SBen Goz * @queue_address: Queue ring buffer address. 376ed8aab45SBen Goz * 377ed8aab45SBen Goz * @queue_size: Queue ring buffer size. 378ed8aab45SBen Goz * 379ed8aab45SBen Goz * @priority: Defines the queue priority relative to other queues in the 380ed8aab45SBen Goz * process. 381ed8aab45SBen Goz * This is just an indication and HW scheduling may override the priority as 382ed8aab45SBen Goz * necessary while keeping the relative prioritization. 383ed8aab45SBen Goz * the priority granularity is from 0 to f which f is the highest priority. 384ed8aab45SBen Goz * currently all queues are initialized with the highest priority. 385ed8aab45SBen Goz * 386ed8aab45SBen Goz * @queue_percent: This field is partially implemented and currently a zero in 387ed8aab45SBen Goz * this field defines that the queue is non active. 388ed8aab45SBen Goz * 389ed8aab45SBen Goz * @read_ptr: User space address which points to the number of dwords the 390ed8aab45SBen Goz * cp read from the ring buffer. This field updates automatically by the H/W. 391ed8aab45SBen Goz * 392ed8aab45SBen Goz * @write_ptr: Defines the number of dwords written to the ring buffer. 393ed8aab45SBen Goz * 394ed8aab45SBen Goz * @doorbell_ptr: This field aim is to notify the H/W of new packet written to 3958eabaf54SKent Russell * the queue ring buffer. This field should be similar to write_ptr and the 3968eabaf54SKent Russell * user should update this field after he updated the write_ptr. 397ed8aab45SBen Goz * 398ed8aab45SBen Goz * @doorbell_off: The doorbell offset in the doorbell pci-bar. 399ed8aab45SBen Goz * 4008eabaf54SKent Russell * @is_interop: Defines if this is a interop queue. Interop queue means that 4018eabaf54SKent Russell * the queue can access both graphics and compute resources. 402ed8aab45SBen Goz * 40326103436SFelix Kuehling * @is_evicted: Defines if the queue is evicted. Only active queues 40426103436SFelix Kuehling * are evicted, rendering them inactive. 40526103436SFelix Kuehling * 40626103436SFelix Kuehling * @is_active: Defines if the queue is active or not. @is_active and 40726103436SFelix Kuehling * @is_evicted are protected by the DQM lock. 408ed8aab45SBen Goz * 409ed8aab45SBen Goz * @vmid: If the scheduling mode is no cp scheduling the field defines the vmid 410ed8aab45SBen Goz * of the queue. 411ed8aab45SBen Goz * 412ed8aab45SBen Goz * This structure represents the queue properties for each queue no matter if 413ed8aab45SBen Goz * it's user mode or kernel mode queue. 414ed8aab45SBen Goz * 415ed8aab45SBen Goz */ 416ed8aab45SBen Goz struct queue_properties { 417ed8aab45SBen Goz enum kfd_queue_type type; 4186e99df57SBen Goz enum kfd_queue_format format; 419ed8aab45SBen Goz unsigned int queue_id; 420ed8aab45SBen Goz uint64_t queue_address; 421ed8aab45SBen Goz uint64_t queue_size; 422ed8aab45SBen Goz uint32_t priority; 423ed8aab45SBen Goz uint32_t queue_percent; 424ed8aab45SBen Goz uint32_t *read_ptr; 425ed8aab45SBen Goz uint32_t *write_ptr; 426ada2b29cSFelix Kuehling void __iomem *doorbell_ptr; 427ed8aab45SBen Goz uint32_t doorbell_off; 428ed8aab45SBen Goz bool is_interop; 42926103436SFelix Kuehling bool is_evicted; 430ed8aab45SBen Goz bool is_active; 431ed8aab45SBen Goz /* Not relevant for user mode queues in cp scheduling */ 432ed8aab45SBen Goz unsigned int vmid; 43377669eb8SBen Goz /* Relevant only for sdma queues*/ 43477669eb8SBen Goz uint32_t sdma_engine_id; 43577669eb8SBen Goz uint32_t sdma_queue_id; 43677669eb8SBen Goz uint32_t sdma_vm_addr; 437ff3d04a1SBen Goz /* Relevant only for VI */ 438ff3d04a1SBen Goz uint64_t eop_ring_buffer_address; 439ff3d04a1SBen Goz uint32_t eop_ring_buffer_size; 440ff3d04a1SBen Goz uint64_t ctx_save_restore_area_address; 441ff3d04a1SBen Goz uint32_t ctx_save_restore_area_size; 442373d7080SFelix Kuehling uint32_t ctl_stack_size; 443373d7080SFelix Kuehling uint64_t tba_addr; 444373d7080SFelix Kuehling uint64_t tma_addr; 44539e7f331SFelix Kuehling /* Relevant for CU */ 44639e7f331SFelix Kuehling uint32_t cu_mask_count; /* Must be a multiple of 32 */ 44739e7f331SFelix Kuehling uint32_t *cu_mask; 448ed8aab45SBen Goz }; 449ed8aab45SBen Goz 450bb2d2128SFelix Kuehling #define QUEUE_IS_ACTIVE(q) ((q).queue_size > 0 && \ 451bb2d2128SFelix Kuehling (q).queue_address != 0 && \ 452bb2d2128SFelix Kuehling (q).queue_percent > 0 && \ 453bb2d2128SFelix Kuehling !(q).is_evicted) 454bb2d2128SFelix Kuehling 455ed8aab45SBen Goz /** 456ed8aab45SBen Goz * struct queue 457ed8aab45SBen Goz * 458ed8aab45SBen Goz * @list: Queue linked list. 459ed8aab45SBen Goz * 460ed8aab45SBen Goz * @mqd: The queue MQD. 461ed8aab45SBen Goz * 462ed8aab45SBen Goz * @mqd_mem_obj: The MQD local gpu memory object. 463ed8aab45SBen Goz * 464ed8aab45SBen Goz * @gart_mqd_addr: The MQD gart mc address. 465ed8aab45SBen Goz * 466ed8aab45SBen Goz * @properties: The queue properties. 467ed8aab45SBen Goz * 468ed8aab45SBen Goz * @mec: Used only in no cp scheduling mode and identifies to micro engine id 469ed8aab45SBen Goz * that the queue should be execute on. 470ed8aab45SBen Goz * 4718eabaf54SKent Russell * @pipe: Used only in no cp scheduling mode and identifies the queue's pipe 4728eabaf54SKent Russell * id. 473ed8aab45SBen Goz * 474ed8aab45SBen Goz * @queue: Used only in no cp scheduliong mode and identifies the queue's slot. 475ed8aab45SBen Goz * 476ed8aab45SBen Goz * @process: The kfd process that created this queue. 477ed8aab45SBen Goz * 478ed8aab45SBen Goz * @device: The kfd device that created this queue. 479ed8aab45SBen Goz * 480eb82da1dSOak Zeng * @gws: Pointing to gws kgd_mem if this is a gws control queue; NULL 481eb82da1dSOak Zeng * otherwise. 482eb82da1dSOak Zeng * 483ed8aab45SBen Goz * This structure represents user mode compute queues. 484ed8aab45SBen Goz * It contains all the necessary data to handle such queues. 485ed8aab45SBen Goz * 486ed8aab45SBen Goz */ 487ed8aab45SBen Goz 488ed8aab45SBen Goz struct queue { 489ed8aab45SBen Goz struct list_head list; 490ed8aab45SBen Goz void *mqd; 491ed8aab45SBen Goz struct kfd_mem_obj *mqd_mem_obj; 492ed8aab45SBen Goz uint64_t gart_mqd_addr; 493ed8aab45SBen Goz struct queue_properties properties; 494ed8aab45SBen Goz 495ed8aab45SBen Goz uint32_t mec; 496ed8aab45SBen Goz uint32_t pipe; 497ed8aab45SBen Goz uint32_t queue; 498ed8aab45SBen Goz 49977669eb8SBen Goz unsigned int sdma_id; 500ef568db7SFelix Kuehling unsigned int doorbell_id; 50177669eb8SBen Goz 502ed8aab45SBen Goz struct kfd_process *process; 503ed8aab45SBen Goz struct kfd_dev *device; 504eb82da1dSOak Zeng void *gws; 505ed8aab45SBen Goz }; 506ed8aab45SBen Goz 5076e99df57SBen Goz /* 5086e99df57SBen Goz * Please read the kfd_mqd_manager.h description. 5096e99df57SBen Goz */ 5106e99df57SBen Goz enum KFD_MQD_TYPE { 51185d258f9SBen Goz KFD_MQD_TYPE_COMPUTE = 0, /* for no cp scheduling */ 51285d258f9SBen Goz KFD_MQD_TYPE_HIQ, /* for hiq */ 51385d258f9SBen Goz KFD_MQD_TYPE_CP, /* for cp queues and diq */ 51485d258f9SBen Goz KFD_MQD_TYPE_SDMA, /* for sdma queues */ 51559f650a0SOak Zeng KFD_MQD_TYPE_DIQ, /* for diq */ 5166e99df57SBen Goz KFD_MQD_TYPE_MAX 5176e99df57SBen Goz }; 5186e99df57SBen Goz 5190ccbc7cdSOak Zeng enum KFD_PIPE_PRIORITY { 5200ccbc7cdSOak Zeng KFD_PIPE_PRIORITY_CS_LOW = 0, 5210ccbc7cdSOak Zeng KFD_PIPE_PRIORITY_CS_MEDIUM, 5220ccbc7cdSOak Zeng KFD_PIPE_PRIORITY_CS_HIGH 5230ccbc7cdSOak Zeng }; 5240ccbc7cdSOak Zeng 525241f24f8SBen Goz struct scheduling_resources { 526241f24f8SBen Goz unsigned int vmid_mask; 527241f24f8SBen Goz enum kfd_queue_type type; 528241f24f8SBen Goz uint64_t queue_mask; 529241f24f8SBen Goz uint64_t gws_mask; 530241f24f8SBen Goz uint32_t oac_mask; 531241f24f8SBen Goz uint32_t gds_heap_base; 532241f24f8SBen Goz uint32_t gds_heap_size; 533241f24f8SBen Goz }; 534241f24f8SBen Goz 535241f24f8SBen Goz struct process_queue_manager { 536241f24f8SBen Goz /* data */ 537241f24f8SBen Goz struct kfd_process *process; 538241f24f8SBen Goz struct list_head queues; 539241f24f8SBen Goz unsigned long *queue_slot_bitmap; 540241f24f8SBen Goz }; 541241f24f8SBen Goz 542241f24f8SBen Goz struct qcm_process_device { 543241f24f8SBen Goz /* The Device Queue Manager that owns this data */ 544241f24f8SBen Goz struct device_queue_manager *dqm; 545241f24f8SBen Goz struct process_queue_manager *pqm; 546241f24f8SBen Goz /* Queues list */ 547241f24f8SBen Goz struct list_head queues_list; 548241f24f8SBen Goz struct list_head priv_queue_list; 549241f24f8SBen Goz 550241f24f8SBen Goz unsigned int queue_count; 551241f24f8SBen Goz unsigned int vmid; 552241f24f8SBen Goz bool is_debug; 55326103436SFelix Kuehling unsigned int evicted; /* eviction counter, 0=active */ 5549fd3f1bfSFelix Kuehling 5559fd3f1bfSFelix Kuehling /* This flag tells if we should reset all wavefronts on 5569fd3f1bfSFelix Kuehling * process termination 5579fd3f1bfSFelix Kuehling */ 5589fd3f1bfSFelix Kuehling bool reset_wavefronts; 5599fd3f1bfSFelix Kuehling 560241f24f8SBen Goz /* 561241f24f8SBen Goz * All the memory management data should be here too 562241f24f8SBen Goz */ 563241f24f8SBen Goz uint64_t gds_context_area; 564435e2f97SYong Zhao /* Contains page table flags such as AMDGPU_PTE_VALID since gfx9 */ 565e715c6d0SShaoyun Liu uint64_t page_table_base; 566241f24f8SBen Goz uint32_t sh_mem_config; 567241f24f8SBen Goz uint32_t sh_mem_bases; 568241f24f8SBen Goz uint32_t sh_mem_ape1_base; 569241f24f8SBen Goz uint32_t sh_mem_ape1_limit; 570241f24f8SBen Goz uint32_t gds_size; 571241f24f8SBen Goz uint32_t num_gws; 572241f24f8SBen Goz uint32_t num_oac; 5736a1c9510SMoses Reuben uint32_t sh_hidden_private_base; 574373d7080SFelix Kuehling 575373d7080SFelix Kuehling /* CWSR memory */ 576373d7080SFelix Kuehling void *cwsr_kaddr; 577d01994c2SFelix Kuehling uint64_t cwsr_base; 578373d7080SFelix Kuehling uint64_t tba_addr; 579373d7080SFelix Kuehling uint64_t tma_addr; 580d01994c2SFelix Kuehling 581d01994c2SFelix Kuehling /* IB memory */ 582d01994c2SFelix Kuehling uint64_t ib_base; 583552764b6SFelix Kuehling void *ib_kaddr; 584ef568db7SFelix Kuehling 585ef568db7SFelix Kuehling /* doorbell resources per process per device */ 586ef568db7SFelix Kuehling unsigned long *doorbell_bitmap; 587241f24f8SBen Goz }; 588241f24f8SBen Goz 58926103436SFelix Kuehling /* KFD Memory Eviction */ 59026103436SFelix Kuehling 59126103436SFelix Kuehling /* Approx. wait time before attempting to restore evicted BOs */ 59226103436SFelix Kuehling #define PROCESS_RESTORE_TIME_MS 100 59326103436SFelix Kuehling /* Approx. back off time if restore fails due to lack of memory */ 59426103436SFelix Kuehling #define PROCESS_BACK_OFF_TIME_MS 100 59526103436SFelix Kuehling /* Approx. time before evicting the process again */ 59626103436SFelix Kuehling #define PROCESS_ACTIVE_TIME_MS 10 59726103436SFelix Kuehling 5985ec7e028SFelix Kuehling /* 8 byte handle containing GPU ID in the most significant 4 bytes and 5995ec7e028SFelix Kuehling * idr_handle in the least significant 4 bytes 6005ec7e028SFelix Kuehling */ 6015ec7e028SFelix Kuehling #define MAKE_HANDLE(gpu_id, idr_handle) \ 6025ec7e028SFelix Kuehling (((uint64_t)(gpu_id) << 32) + idr_handle) 6035ec7e028SFelix Kuehling #define GET_GPU_ID(handle) (handle >> 32) 6045ec7e028SFelix Kuehling #define GET_IDR_HANDLE(handle) (handle & 0xFFFFFFFF) 6055ec7e028SFelix Kuehling 606733fa1f7SYong Zhao enum kfd_pdd_bound { 607733fa1f7SYong Zhao PDD_UNBOUND = 0, 608733fa1f7SYong Zhao PDD_BOUND, 609733fa1f7SYong Zhao PDD_BOUND_SUSPENDED, 610733fa1f7SYong Zhao }; 611733fa1f7SYong Zhao 61219f6d2a6SOded Gabbay /* Data that is per-process-per device. */ 61319f6d2a6SOded Gabbay struct kfd_process_device { 61419f6d2a6SOded Gabbay /* 61519f6d2a6SOded Gabbay * List of all per-device data for a process. 61619f6d2a6SOded Gabbay * Starts from kfd_process.per_device_data. 61719f6d2a6SOded Gabbay */ 61819f6d2a6SOded Gabbay struct list_head per_device_list; 61919f6d2a6SOded Gabbay 62019f6d2a6SOded Gabbay /* The device that owns this data. */ 62119f6d2a6SOded Gabbay struct kfd_dev *dev; 62219f6d2a6SOded Gabbay 6239fd3f1bfSFelix Kuehling /* The process that owns this kfd_process_device. */ 6249fd3f1bfSFelix Kuehling struct kfd_process *process; 62519f6d2a6SOded Gabbay 62645102048SBen Goz /* per-process-per device QCM data structure */ 62745102048SBen Goz struct qcm_process_device qpd; 62845102048SBen Goz 62919f6d2a6SOded Gabbay /*Apertures*/ 63019f6d2a6SOded Gabbay uint64_t lds_base; 63119f6d2a6SOded Gabbay uint64_t lds_limit; 63219f6d2a6SOded Gabbay uint64_t gpuvm_base; 63319f6d2a6SOded Gabbay uint64_t gpuvm_limit; 63419f6d2a6SOded Gabbay uint64_t scratch_base; 63519f6d2a6SOded Gabbay uint64_t scratch_limit; 63619f6d2a6SOded Gabbay 637403575c4SFelix Kuehling /* VM context for GPUVM allocations */ 638b84394e2SFelix Kuehling struct file *drm_file; 639403575c4SFelix Kuehling void *vm; 640403575c4SFelix Kuehling 64152b29d73SFelix Kuehling /* GPUVM allocations storage */ 64252b29d73SFelix Kuehling struct idr alloc_idr; 64352b29d73SFelix Kuehling 6449fd3f1bfSFelix Kuehling /* Flag used to tell the pdd has dequeued from the dqm. 6459fd3f1bfSFelix Kuehling * This is used to prevent dev->dqm->ops.process_termination() from 6469fd3f1bfSFelix Kuehling * being called twice when it is already called in IOMMU callback 6479fd3f1bfSFelix Kuehling * function. 648a82918f1SBen Goz */ 6499fd3f1bfSFelix Kuehling bool already_dequeued; 65064d1c3a4SFelix Kuehling 65164d1c3a4SFelix Kuehling /* Is this process/pasid bound to this device? (amd_iommu_bind_pasid) */ 65264d1c3a4SFelix Kuehling enum kfd_pdd_bound bound; 65319f6d2a6SOded Gabbay }; 65419f6d2a6SOded Gabbay 65552a5fdceSAlexey Skidanov #define qpd_to_pdd(x) container_of(x, struct kfd_process_device, qpd) 65652a5fdceSAlexey Skidanov 6574a488a7aSOded Gabbay /* Process data */ 6584a488a7aSOded Gabbay struct kfd_process { 65919f6d2a6SOded Gabbay /* 66019f6d2a6SOded Gabbay * kfd_process are stored in an mm_struct*->kfd_process* 66119f6d2a6SOded Gabbay * hash table (kfd_processes in kfd_process.c) 66219f6d2a6SOded Gabbay */ 66319f6d2a6SOded Gabbay struct hlist_node kfd_processes; 66419f6d2a6SOded Gabbay 6659b56bb11SFelix Kuehling /* 6669b56bb11SFelix Kuehling * Opaque pointer to mm_struct. We don't hold a reference to 6679b56bb11SFelix Kuehling * it so it should never be dereferenced from here. This is 6689b56bb11SFelix Kuehling * only used for looking up processes by their mm. 6699b56bb11SFelix Kuehling */ 6709b56bb11SFelix Kuehling void *mm; 67119f6d2a6SOded Gabbay 6725ce10687SFelix Kuehling struct kref ref; 6735ce10687SFelix Kuehling struct work_struct release_work; 6745ce10687SFelix Kuehling 67519f6d2a6SOded Gabbay struct mutex mutex; 67619f6d2a6SOded Gabbay 67719f6d2a6SOded Gabbay /* 67819f6d2a6SOded Gabbay * In any process, the thread that started main() is the lead 67919f6d2a6SOded Gabbay * thread and outlives the rest. 68019f6d2a6SOded Gabbay * It is here because amd_iommu_bind_pasid wants a task_struct. 681894a8293SFelix Kuehling * It can also be used for safely getting a reference to the 682894a8293SFelix Kuehling * mm_struct of the process. 68319f6d2a6SOded Gabbay */ 68419f6d2a6SOded Gabbay struct task_struct *lead_thread; 68519f6d2a6SOded Gabbay 68619f6d2a6SOded Gabbay /* We want to receive a notification when the mm_struct is destroyed */ 68719f6d2a6SOded Gabbay struct mmu_notifier mmu_notifier; 68819f6d2a6SOded Gabbay 68919f6d2a6SOded Gabbay /* Use for delayed freeing of kfd_process structure */ 69019f6d2a6SOded Gabbay struct rcu_head rcu; 69119f6d2a6SOded Gabbay 69219f6d2a6SOded Gabbay unsigned int pasid; 693a91e70e3SFelix Kuehling unsigned int doorbell_index; 69419f6d2a6SOded Gabbay 69519f6d2a6SOded Gabbay /* 69619f6d2a6SOded Gabbay * List of kfd_process_device structures, 69719f6d2a6SOded Gabbay * one for each device the process is using. 69819f6d2a6SOded Gabbay */ 69919f6d2a6SOded Gabbay struct list_head per_device_data; 70019f6d2a6SOded Gabbay 70145102048SBen Goz struct process_queue_manager pqm; 70245102048SBen Goz 70319f6d2a6SOded Gabbay /*Is the user space process 32 bit?*/ 70419f6d2a6SOded Gabbay bool is_32bit_user_mode; 705f3a39818SAndrew Lewycky 706f3a39818SAndrew Lewycky /* Event-related data */ 707f3a39818SAndrew Lewycky struct mutex event_mutex; 708482f0777SFelix Kuehling /* Event ID allocator and lookup */ 709482f0777SFelix Kuehling struct idr event_idr; 71050cb7dd9SFelix Kuehling /* Event page */ 71150cb7dd9SFelix Kuehling struct kfd_signal_page *signal_page; 712b9a5d0a5SFelix Kuehling size_t signal_mapped_size; 713f3a39818SAndrew Lewycky size_t signal_event_count; 714c986169fSFelix Kuehling bool signal_event_limit_reached; 715403575c4SFelix Kuehling 716403575c4SFelix Kuehling /* Information used for memory eviction */ 717403575c4SFelix Kuehling void *kgd_process_info; 718403575c4SFelix Kuehling /* Eviction fence that is attached to all the BOs of this process. The 719403575c4SFelix Kuehling * fence will be triggered during eviction and new one will be created 720403575c4SFelix Kuehling * during restore 721403575c4SFelix Kuehling */ 722403575c4SFelix Kuehling struct dma_fence *ef; 72326103436SFelix Kuehling 72426103436SFelix Kuehling /* Work items for evicting and restoring BOs */ 72526103436SFelix Kuehling struct delayed_work eviction_work; 72626103436SFelix Kuehling struct delayed_work restore_work; 72726103436SFelix Kuehling /* seqno of the last scheduled eviction */ 72826103436SFelix Kuehling unsigned int last_eviction_seqno; 72926103436SFelix Kuehling /* Approx. the last timestamp (in jiffies) when the process was 73026103436SFelix Kuehling * restored after an eviction 73126103436SFelix Kuehling */ 73226103436SFelix Kuehling unsigned long last_restore_timestamp; 733de9f26bbSKent Russell 734de9f26bbSKent Russell /* Kobj for our procfs */ 735de9f26bbSKent Russell struct kobject *kobj; 736de9f26bbSKent Russell struct attribute attr_pasid; 7374a488a7aSOded Gabbay }; 7384a488a7aSOded Gabbay 73964d1c3a4SFelix Kuehling #define KFD_PROCESS_TABLE_SIZE 5 /* bits: 32 entries */ 74064d1c3a4SFelix Kuehling extern DECLARE_HASHTABLE(kfd_processes_table, KFD_PROCESS_TABLE_SIZE); 74164d1c3a4SFelix Kuehling extern struct srcu_struct kfd_processes_srcu; 74264d1c3a4SFelix Kuehling 74376baee6cSOded Gabbay /** 74476baee6cSOded Gabbay * Ioctl function type. 74576baee6cSOded Gabbay * 74676baee6cSOded Gabbay * \param filep pointer to file structure. 74776baee6cSOded Gabbay * \param p amdkfd process pointer. 74876baee6cSOded Gabbay * \param data pointer to arg that was copied from user. 74976baee6cSOded Gabbay */ 75076baee6cSOded Gabbay typedef int amdkfd_ioctl_t(struct file *filep, struct kfd_process *p, 75176baee6cSOded Gabbay void *data); 75276baee6cSOded Gabbay 75376baee6cSOded Gabbay struct amdkfd_ioctl_desc { 75476baee6cSOded Gabbay unsigned int cmd; 75576baee6cSOded Gabbay int flags; 75676baee6cSOded Gabbay amdkfd_ioctl_t *func; 75776baee6cSOded Gabbay unsigned int cmd_drv; 75876baee6cSOded Gabbay const char *name; 75976baee6cSOded Gabbay }; 76067f7cf9fSshaoyunl bool kfd_dev_is_large_bar(struct kfd_dev *dev); 76176baee6cSOded Gabbay 7621679ae8fSFelix Kuehling int kfd_process_create_wq(void); 76319f6d2a6SOded Gabbay void kfd_process_destroy_wq(void); 764373d7080SFelix Kuehling struct kfd_process *kfd_create_process(struct file *filep); 76519f6d2a6SOded Gabbay struct kfd_process *kfd_get_process(const struct task_struct *); 766f3a39818SAndrew Lewycky struct kfd_process *kfd_lookup_process_by_pasid(unsigned int pasid); 76726103436SFelix Kuehling struct kfd_process *kfd_lookup_process_by_mm(const struct mm_struct *mm); 768abb208a8SFelix Kuehling void kfd_unref_process(struct kfd_process *p); 7696b95e797SFelix Kuehling int kfd_process_evict_queues(struct kfd_process *p); 7706b95e797SFelix Kuehling int kfd_process_restore_queues(struct kfd_process *p); 77126103436SFelix Kuehling void kfd_suspend_all_processes(void); 77226103436SFelix Kuehling int kfd_resume_all_processes(void); 77319f6d2a6SOded Gabbay 774b84394e2SFelix Kuehling int kfd_process_device_init_vm(struct kfd_process_device *pdd, 775b84394e2SFelix Kuehling struct file *drm_file); 77664c7f8cfSBen Goz struct kfd_process_device *kfd_bind_process_to_device(struct kfd_dev *dev, 77764c7f8cfSBen Goz struct kfd_process *p); 77819f6d2a6SOded Gabbay struct kfd_process_device *kfd_get_process_device_data(struct kfd_dev *dev, 779093c7d8cSAlexey Skidanov struct kfd_process *p); 780093c7d8cSAlexey Skidanov struct kfd_process_device *kfd_create_process_device_data(struct kfd_dev *dev, 781093c7d8cSAlexey Skidanov struct kfd_process *p); 78219f6d2a6SOded Gabbay 783df03ef93SHarish Kasiviswanathan int kfd_reserved_mem_mmap(struct kfd_dev *dev, struct kfd_process *process, 784373d7080SFelix Kuehling struct vm_area_struct *vma); 785373d7080SFelix Kuehling 78652b29d73SFelix Kuehling /* KFD process API for creating and translating handles */ 78752b29d73SFelix Kuehling int kfd_process_device_create_obj_handle(struct kfd_process_device *pdd, 78852b29d73SFelix Kuehling void *mem); 78952b29d73SFelix Kuehling void *kfd_process_device_translate_handle(struct kfd_process_device *p, 79052b29d73SFelix Kuehling int handle); 79152b29d73SFelix Kuehling void kfd_process_device_remove_obj_handle(struct kfd_process_device *pdd, 79252b29d73SFelix Kuehling int handle); 79352b29d73SFelix Kuehling 794775921edSAlexey Skidanov /* Process device data iterator */ 7958eabaf54SKent Russell struct kfd_process_device *kfd_get_first_process_device_data( 7968eabaf54SKent Russell struct kfd_process *p); 7978eabaf54SKent Russell struct kfd_process_device *kfd_get_next_process_device_data( 7988eabaf54SKent Russell struct kfd_process *p, 799775921edSAlexey Skidanov struct kfd_process_device *pdd); 800775921edSAlexey Skidanov bool kfd_has_process_device_data(struct kfd_process *p); 801775921edSAlexey Skidanov 80219f6d2a6SOded Gabbay /* PASIDs */ 80319f6d2a6SOded Gabbay int kfd_pasid_init(void); 80419f6d2a6SOded Gabbay void kfd_pasid_exit(void); 80519f6d2a6SOded Gabbay bool kfd_set_pasid_limit(unsigned int new_limit); 80619f6d2a6SOded Gabbay unsigned int kfd_get_pasid_limit(void); 80719f6d2a6SOded Gabbay unsigned int kfd_pasid_alloc(void); 80819f6d2a6SOded Gabbay void kfd_pasid_free(unsigned int pasid); 80919f6d2a6SOded Gabbay 81019f6d2a6SOded Gabbay /* Doorbells */ 811ef568db7SFelix Kuehling size_t kfd_doorbell_process_slice(struct kfd_dev *kfd); 812735df2baSFelix Kuehling int kfd_doorbell_init(struct kfd_dev *kfd); 813735df2baSFelix Kuehling void kfd_doorbell_fini(struct kfd_dev *kfd); 814df03ef93SHarish Kasiviswanathan int kfd_doorbell_mmap(struct kfd_dev *dev, struct kfd_process *process, 815df03ef93SHarish Kasiviswanathan struct vm_area_struct *vma); 816ada2b29cSFelix Kuehling void __iomem *kfd_get_kernel_doorbell(struct kfd_dev *kfd, 81719f6d2a6SOded Gabbay unsigned int *doorbell_off); 81819f6d2a6SOded Gabbay void kfd_release_kernel_doorbell(struct kfd_dev *kfd, u32 __iomem *db_addr); 81919f6d2a6SOded Gabbay u32 read_kernel_doorbell(u32 __iomem *db); 820ada2b29cSFelix Kuehling void write_kernel_doorbell(void __iomem *db, u32 value); 8219d7d0248SFelix Kuehling void write_kernel_doorbell64(void __iomem *db, u64 value); 822ef568db7SFelix Kuehling unsigned int kfd_doorbell_id_to_offset(struct kfd_dev *kfd, 82319f6d2a6SOded Gabbay struct kfd_process *process, 824ef568db7SFelix Kuehling unsigned int doorbell_id); 825a91e70e3SFelix Kuehling phys_addr_t kfd_get_process_doorbells(struct kfd_dev *dev, 826a91e70e3SFelix Kuehling struct kfd_process *process); 827a91e70e3SFelix Kuehling int kfd_alloc_process_doorbells(struct kfd_process *process); 828a91e70e3SFelix Kuehling void kfd_free_process_doorbells(struct kfd_process *process); 82919f6d2a6SOded Gabbay 8306e81090bSOded Gabbay /* GTT Sub-Allocator */ 8316e81090bSOded Gabbay 8326e81090bSOded Gabbay int kfd_gtt_sa_allocate(struct kfd_dev *kfd, unsigned int size, 8336e81090bSOded Gabbay struct kfd_mem_obj **mem_obj); 8346e81090bSOded Gabbay 8356e81090bSOded Gabbay int kfd_gtt_sa_free(struct kfd_dev *kfd, struct kfd_mem_obj *mem_obj); 8366e81090bSOded Gabbay 8374a488a7aSOded Gabbay extern struct device *kfd_device; 8384a488a7aSOded Gabbay 839de9f26bbSKent Russell /* KFD's procfs */ 840de9f26bbSKent Russell void kfd_procfs_init(void); 841de9f26bbSKent Russell void kfd_procfs_shutdown(void); 842de9f26bbSKent Russell 8435b5c4e40SEvgeny Pinchuk /* Topology */ 8445b5c4e40SEvgeny Pinchuk int kfd_topology_init(void); 8455b5c4e40SEvgeny Pinchuk void kfd_topology_shutdown(void); 8465b5c4e40SEvgeny Pinchuk int kfd_topology_add_device(struct kfd_dev *gpu); 8475b5c4e40SEvgeny Pinchuk int kfd_topology_remove_device(struct kfd_dev *gpu); 8483a87177eSHarish Kasiviswanathan struct kfd_topology_device *kfd_topology_device_by_proximity_domain( 8493a87177eSHarish Kasiviswanathan uint32_t proximity_domain); 85044d8cc6fSYong Zhao struct kfd_topology_device *kfd_topology_device_by_id(uint32_t gpu_id); 8515b5c4e40SEvgeny Pinchuk struct kfd_dev *kfd_device_by_id(uint32_t gpu_id); 8525b5c4e40SEvgeny Pinchuk struct kfd_dev *kfd_device_by_pci_dev(const struct pci_dev *pdev); 8531dde0ea9SFelix Kuehling struct kfd_dev *kfd_device_by_kgd(const struct kgd_dev *kgd); 8546d82eb0eSHarish Kasiviswanathan int kfd_topology_enum_kfd_devices(uint8_t idx, struct kfd_dev **kdev); 855520b8fb7SFelix Kuehling int kfd_numa_node_to_apic_id(int numa_node_id); 8565b5c4e40SEvgeny Pinchuk 8574a488a7aSOded Gabbay /* Interrupts */ 8582249d558SAndrew Lewycky int kfd_interrupt_init(struct kfd_dev *dev); 8592249d558SAndrew Lewycky void kfd_interrupt_exit(struct kfd_dev *dev); 8602249d558SAndrew Lewycky bool enqueue_ih_ring_entry(struct kfd_dev *kfd, const void *ih_ring_entry); 86158e69886SLan Xiao bool interrupt_is_wanted(struct kfd_dev *dev, 86258e69886SLan Xiao const uint32_t *ih_ring_entry, 86358e69886SLan Xiao uint32_t *patched_ihre, bool *flag); 8644a488a7aSOded Gabbay 86519f6d2a6SOded Gabbay /* amdkfd Apertures */ 86619f6d2a6SOded Gabbay int kfd_init_apertures(struct kfd_process *process); 86719f6d2a6SOded Gabbay 868ed6e6a34SBen Goz /* Queue Context Management */ 869e88a614cSEdward O'Callaghan int init_queue(struct queue **q, const struct queue_properties *properties); 870ed6e6a34SBen Goz void uninit_queue(struct queue *q); 87145102048SBen Goz void print_queue_properties(struct queue_properties *q); 872ed6e6a34SBen Goz void print_queue(struct queue *q); 873ed6e6a34SBen Goz 8744b8f589bSBen Goz struct mqd_manager *mqd_manager_init_cik(enum KFD_MQD_TYPE type, 8754b8f589bSBen Goz struct kfd_dev *dev); 876ee04955aSFelix Kuehling struct mqd_manager *mqd_manager_init_cik_hawaii(enum KFD_MQD_TYPE type, 877ee04955aSFelix Kuehling struct kfd_dev *dev); 8784b8f589bSBen Goz struct mqd_manager *mqd_manager_init_vi(enum KFD_MQD_TYPE type, 8794b8f589bSBen Goz struct kfd_dev *dev); 880ee04955aSFelix Kuehling struct mqd_manager *mqd_manager_init_vi_tonga(enum KFD_MQD_TYPE type, 881ee04955aSFelix Kuehling struct kfd_dev *dev); 882b91d43ddSFelix Kuehling struct mqd_manager *mqd_manager_init_v9(enum KFD_MQD_TYPE type, 883b91d43ddSFelix Kuehling struct kfd_dev *dev); 88414328aa5SPhilip Cox struct mqd_manager *mqd_manager_init_v10(enum KFD_MQD_TYPE type, 88514328aa5SPhilip Cox struct kfd_dev *dev); 88664c7f8cfSBen Goz struct device_queue_manager *device_queue_manager_init(struct kfd_dev *dev); 88764c7f8cfSBen Goz void device_queue_manager_uninit(struct device_queue_manager *dqm); 888241f24f8SBen Goz struct kernel_queue *kernel_queue_init(struct kfd_dev *dev, 889241f24f8SBen Goz enum kfd_queue_type type); 890241f24f8SBen Goz void kernel_queue_uninit(struct kernel_queue *kq); 8912640c3faSshaoyunl int kfd_process_vm_fault(struct device_queue_manager *dqm, unsigned int pasid); 892241f24f8SBen Goz 89345102048SBen Goz /* Process Queue Manager */ 89445102048SBen Goz struct process_queue_node { 89545102048SBen Goz struct queue *q; 89645102048SBen Goz struct kernel_queue *kq; 89745102048SBen Goz struct list_head process_queue_list; 89845102048SBen Goz }; 89945102048SBen Goz 9009fd3f1bfSFelix Kuehling void kfd_process_dequeue_from_device(struct kfd_process_device *pdd); 9019fd3f1bfSFelix Kuehling void kfd_process_dequeue_from_all_devices(struct kfd_process *p); 90245102048SBen Goz int pqm_init(struct process_queue_manager *pqm, struct kfd_process *p); 90345102048SBen Goz void pqm_uninit(struct process_queue_manager *pqm); 90445102048SBen Goz int pqm_create_queue(struct process_queue_manager *pqm, 90545102048SBen Goz struct kfd_dev *dev, 90645102048SBen Goz struct file *f, 90745102048SBen Goz struct queue_properties *properties, 90845102048SBen Goz unsigned int *qid); 90945102048SBen Goz int pqm_destroy_queue(struct process_queue_manager *pqm, unsigned int qid); 91045102048SBen Goz int pqm_update_queue(struct process_queue_manager *pqm, unsigned int qid, 91145102048SBen Goz struct queue_properties *p); 91239e7f331SFelix Kuehling int pqm_set_cu_mask(struct process_queue_manager *pqm, unsigned int qid, 91339e7f331SFelix Kuehling struct queue_properties *p); 914eb82da1dSOak Zeng int pqm_set_gws(struct process_queue_manager *pqm, unsigned int qid, 915eb82da1dSOak Zeng void *gws); 916fbeb661bSYair Shachar struct kernel_queue *pqm_get_kernel_queue(struct process_queue_manager *pqm, 917fbeb661bSYair Shachar unsigned int qid); 9185df099e8SJay Cornwall int pqm_get_wave_state(struct process_queue_manager *pqm, 9195df099e8SJay Cornwall unsigned int qid, 9205df099e8SJay Cornwall void __user *ctl_stack, 9215df099e8SJay Cornwall u32 *ctl_stack_used_size, 9225df099e8SJay Cornwall u32 *save_area_used_size); 92345102048SBen Goz 924788bf83dSYair Shachar int amdkfd_fence_wait_timeout(unsigned int *fence_addr, 925788bf83dSYair Shachar unsigned int fence_value, 9268c72c3d7SYong Zhao unsigned int timeout_ms); 927788bf83dSYair Shachar 928ed6e6a34SBen Goz /* Packet Manager */ 929ed6e6a34SBen Goz 93064c7f8cfSBen Goz #define KFD_FENCE_COMPLETED (100) 93164c7f8cfSBen Goz #define KFD_FENCE_INIT (10) 932241f24f8SBen Goz 933ed6e6a34SBen Goz struct packet_manager { 934ed6e6a34SBen Goz struct device_queue_manager *dqm; 935ed6e6a34SBen Goz struct kernel_queue *priv_queue; 936ed6e6a34SBen Goz struct mutex lock; 937ed6e6a34SBen Goz bool allocated; 938ed6e6a34SBen Goz struct kfd_mem_obj *ib_buffer_obj; 939851a645eSFelix Kuehling unsigned int ib_size_bytes; 940819ec5acSFelix Kuehling bool is_over_subscription; 941f6e27ff1SFelix Kuehling 942f6e27ff1SFelix Kuehling const struct packet_manager_funcs *pmf; 943ed6e6a34SBen Goz }; 944ed6e6a34SBen Goz 945f6e27ff1SFelix Kuehling struct packet_manager_funcs { 946f6e27ff1SFelix Kuehling /* Support ASIC-specific packet formats for PM4 packets */ 947f6e27ff1SFelix Kuehling int (*map_process)(struct packet_manager *pm, uint32_t *buffer, 948f6e27ff1SFelix Kuehling struct qcm_process_device *qpd); 949f6e27ff1SFelix Kuehling int (*runlist)(struct packet_manager *pm, uint32_t *buffer, 950f6e27ff1SFelix Kuehling uint64_t ib, size_t ib_size_in_dwords, bool chain); 951f6e27ff1SFelix Kuehling int (*set_resources)(struct packet_manager *pm, uint32_t *buffer, 952f6e27ff1SFelix Kuehling struct scheduling_resources *res); 953f6e27ff1SFelix Kuehling int (*map_queues)(struct packet_manager *pm, uint32_t *buffer, 954f6e27ff1SFelix Kuehling struct queue *q, bool is_static); 955f6e27ff1SFelix Kuehling int (*unmap_queues)(struct packet_manager *pm, uint32_t *buffer, 956f6e27ff1SFelix Kuehling enum kfd_queue_type type, 957f6e27ff1SFelix Kuehling enum kfd_unmap_queues_filter mode, 958f6e27ff1SFelix Kuehling uint32_t filter_param, bool reset, 959f6e27ff1SFelix Kuehling unsigned int sdma_engine); 960f6e27ff1SFelix Kuehling int (*query_status)(struct packet_manager *pm, uint32_t *buffer, 961f6e27ff1SFelix Kuehling uint64_t fence_address, uint32_t fence_value); 962f6e27ff1SFelix Kuehling int (*release_mem)(uint64_t gpu_addr, uint32_t *buffer); 963f6e27ff1SFelix Kuehling 964f6e27ff1SFelix Kuehling /* Packet sizes */ 965f6e27ff1SFelix Kuehling int map_process_size; 966f6e27ff1SFelix Kuehling int runlist_size; 967f6e27ff1SFelix Kuehling int set_resources_size; 968f6e27ff1SFelix Kuehling int map_queues_size; 969f6e27ff1SFelix Kuehling int unmap_queues_size; 970f6e27ff1SFelix Kuehling int query_status_size; 971f6e27ff1SFelix Kuehling int release_mem_size; 972f6e27ff1SFelix Kuehling }; 973f6e27ff1SFelix Kuehling 974f6e27ff1SFelix Kuehling extern const struct packet_manager_funcs kfd_vi_pm_funcs; 975454150b1SFelix Kuehling extern const struct packet_manager_funcs kfd_v9_pm_funcs; 97614328aa5SPhilip Cox extern const struct packet_manager_funcs kfd_v10_pm_funcs; 977f6e27ff1SFelix Kuehling 97864c7f8cfSBen Goz int pm_init(struct packet_manager *pm, struct device_queue_manager *dqm); 97964c7f8cfSBen Goz void pm_uninit(struct packet_manager *pm); 98064c7f8cfSBen Goz int pm_send_set_resources(struct packet_manager *pm, 98164c7f8cfSBen Goz struct scheduling_resources *res); 98264c7f8cfSBen Goz int pm_send_runlist(struct packet_manager *pm, struct list_head *dqm_queues); 98364c7f8cfSBen Goz int pm_send_query_status(struct packet_manager *pm, uint64_t fence_address, 98464c7f8cfSBen Goz uint32_t fence_value); 98564c7f8cfSBen Goz 98664c7f8cfSBen Goz int pm_send_unmap_queue(struct packet_manager *pm, enum kfd_queue_type type, 9877da2bcf8SYong Zhao enum kfd_unmap_queues_filter mode, 98864c7f8cfSBen Goz uint32_t filter_param, bool reset, 98964c7f8cfSBen Goz unsigned int sdma_engine); 99064c7f8cfSBen Goz 991241f24f8SBen Goz void pm_release_ib(struct packet_manager *pm); 992241f24f8SBen Goz 993454150b1SFelix Kuehling /* Following PM funcs can be shared among VI and AI */ 994454150b1SFelix Kuehling unsigned int pm_build_pm4_header(unsigned int opcode, size_t packet_size); 995454150b1SFelix Kuehling int pm_set_resources_vi(struct packet_manager *pm, uint32_t *buffer, 996454150b1SFelix Kuehling struct scheduling_resources *res); 997454150b1SFelix Kuehling 99814328aa5SPhilip Cox 99919f6d2a6SOded Gabbay uint64_t kfd_get_number_elems(struct kfd_dev *kfd); 100019f6d2a6SOded Gabbay 1001f3a39818SAndrew Lewycky /* Events */ 1002f3a39818SAndrew Lewycky extern const struct kfd_event_interrupt_class event_interrupt_class_cik; 1003ca750681SFelix Kuehling extern const struct kfd_event_interrupt_class event_interrupt_class_v9; 1004ca750681SFelix Kuehling 1005930c5ff4SAlexey Skidanov extern const struct kfd_device_global_init_class device_global_init_class_cik; 1006f3a39818SAndrew Lewycky 1007f3a39818SAndrew Lewycky void kfd_event_init_process(struct kfd_process *p); 1008f3a39818SAndrew Lewycky void kfd_event_free_process(struct kfd_process *p); 1009f3a39818SAndrew Lewycky int kfd_event_mmap(struct kfd_process *process, struct vm_area_struct *vma); 1010f3a39818SAndrew Lewycky int kfd_wait_on_events(struct kfd_process *p, 101159d3e8beSAlexey Skidanov uint32_t num_events, void __user *data, 1012f3a39818SAndrew Lewycky bool all, uint32_t user_timeout_ms, 1013fdf0c833SFelix Kuehling uint32_t *wait_result); 1014f3a39818SAndrew Lewycky void kfd_signal_event_interrupt(unsigned int pasid, uint32_t partial_id, 1015f3a39818SAndrew Lewycky uint32_t valid_id_bits); 101659d3e8beSAlexey Skidanov void kfd_signal_iommu_event(struct kfd_dev *dev, 101759d3e8beSAlexey Skidanov unsigned int pasid, unsigned long address, 101859d3e8beSAlexey Skidanov bool is_write_requested, bool is_execute_requested); 1019930c5ff4SAlexey Skidanov void kfd_signal_hw_exception_event(unsigned int pasid); 1020f3a39818SAndrew Lewycky int kfd_set_event(struct kfd_process *p, uint32_t event_id); 1021f3a39818SAndrew Lewycky int kfd_reset_event(struct kfd_process *p, uint32_t event_id); 10220fc8011fSFelix Kuehling int kfd_event_page_set(struct kfd_process *p, void *kernel_address, 10230fc8011fSFelix Kuehling uint64_t size); 1024f3a39818SAndrew Lewycky int kfd_event_create(struct file *devkfd, struct kfd_process *p, 1025f3a39818SAndrew Lewycky uint32_t event_type, bool auto_reset, uint32_t node_id, 1026f3a39818SAndrew Lewycky uint32_t *event_id, uint32_t *event_trigger_data, 1027f3a39818SAndrew Lewycky uint64_t *event_page_offset, uint32_t *event_slot_index); 1028f3a39818SAndrew Lewycky int kfd_event_destroy(struct kfd_process *p, uint32_t event_id); 1029f3a39818SAndrew Lewycky 10302640c3faSshaoyunl void kfd_signal_vm_fault_event(struct kfd_dev *dev, unsigned int pasid, 10312640c3faSshaoyunl struct kfd_vm_fault_info *info); 10322640c3faSshaoyunl 1033e42051d2SShaoyun Liu void kfd_signal_reset_event(struct kfd_dev *dev); 1034e42051d2SShaoyun Liu 1035403575c4SFelix Kuehling void kfd_flush_tlb(struct kfd_process_device *pdd); 1036403575c4SFelix Kuehling 1037c3447e81SBen Goz int dbgdev_wave_reset_wavefronts(struct kfd_dev *dev, struct kfd_process *p); 1038c3447e81SBen Goz 1039e42051d2SShaoyun Liu bool kfd_is_locked(void); 1040e42051d2SShaoyun Liu 1041f756e631SHarish Kasiviswanathan /* Compute profile */ 1042f756e631SHarish Kasiviswanathan void kfd_inc_compute_active(struct kfd_dev *dev); 1043f756e631SHarish Kasiviswanathan void kfd_dec_compute_active(struct kfd_dev *dev); 1044f756e631SHarish Kasiviswanathan 1045851a645eSFelix Kuehling /* Debugfs */ 1046851a645eSFelix Kuehling #if defined(CONFIG_DEBUG_FS) 1047851a645eSFelix Kuehling 1048851a645eSFelix Kuehling void kfd_debugfs_init(void); 1049851a645eSFelix Kuehling void kfd_debugfs_fini(void); 1050851a645eSFelix Kuehling int kfd_debugfs_mqds_by_process(struct seq_file *m, void *data); 1051851a645eSFelix Kuehling int pqm_debugfs_mqds(struct seq_file *m, void *data); 1052851a645eSFelix Kuehling int kfd_debugfs_hqds_by_device(struct seq_file *m, void *data); 1053851a645eSFelix Kuehling int dqm_debugfs_hqds(struct seq_file *m, void *data); 1054851a645eSFelix Kuehling int kfd_debugfs_rls_by_device(struct seq_file *m, void *data); 1055851a645eSFelix Kuehling int pm_debugfs_runlist(struct seq_file *m, void *data); 1056851a645eSFelix Kuehling 1057a29ec470SShaoyun Liu int kfd_debugfs_hang_hws(struct kfd_dev *dev); 1058a29ec470SShaoyun Liu int pm_debugfs_hang_hws(struct packet_manager *pm); 1059a29ec470SShaoyun Liu int dqm_debugfs_execute_queues(struct device_queue_manager *dqm); 1060a29ec470SShaoyun Liu 1061851a645eSFelix Kuehling #else 1062851a645eSFelix Kuehling 1063851a645eSFelix Kuehling static inline void kfd_debugfs_init(void) {} 1064851a645eSFelix Kuehling static inline void kfd_debugfs_fini(void) {} 1065851a645eSFelix Kuehling 1066851a645eSFelix Kuehling #endif 1067851a645eSFelix Kuehling 10684a488a7aSOded Gabbay #endif 1069