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> 396b855f7bSHarish Kasiviswanathan #include <linux/device_cgroup.h> 401cd4d9eeSStephen Rothwell #include <drm/drm_file.h> 411cd4d9eeSStephen Rothwell #include <drm/drm_drv.h> 421cd4d9eeSStephen Rothwell #include <drm/drm_device.h> 434a488a7aSOded Gabbay #include <kgd_kfd_interface.h> 444a488a7aSOded Gabbay 45e596b903SYong Zhao #include "amd_shared.h" 46e596b903SYong Zhao 47af47b390SLaura Abbott #define KFD_MAX_RING_ENTRY_SIZE 8 48af47b390SLaura Abbott 495b5c4e40SEvgeny Pinchuk #define KFD_SYSFS_FILE_MODE 0444 505b5c4e40SEvgeny Pinchuk 51df03ef93SHarish Kasiviswanathan /* GPU ID hash width in bits */ 52df03ef93SHarish Kasiviswanathan #define KFD_GPU_ID_HASH_WIDTH 16 53df03ef93SHarish Kasiviswanathan 54df03ef93SHarish Kasiviswanathan /* Use upper bits of mmap offset to store KFD driver specific information. 55df03ef93SHarish Kasiviswanathan * BITS[63:62] - Encode MMAP type 56df03ef93SHarish Kasiviswanathan * BITS[61:46] - Encode gpu_id. To identify to which GPU the offset belongs to 57df03ef93SHarish Kasiviswanathan * BITS[45:0] - MMAP offset value 58df03ef93SHarish Kasiviswanathan * 59df03ef93SHarish Kasiviswanathan * NOTE: struct vm_area_struct.vm_pgoff uses offset in pages. Hence, these 60df03ef93SHarish Kasiviswanathan * defines are w.r.t to PAGE_SIZE 61df03ef93SHarish Kasiviswanathan */ 6229453755SYong Zhao #define KFD_MMAP_TYPE_SHIFT 62 63df03ef93SHarish Kasiviswanathan #define KFD_MMAP_TYPE_MASK (0x3ULL << KFD_MMAP_TYPE_SHIFT) 64df03ef93SHarish Kasiviswanathan #define KFD_MMAP_TYPE_DOORBELL (0x3ULL << KFD_MMAP_TYPE_SHIFT) 65df03ef93SHarish Kasiviswanathan #define KFD_MMAP_TYPE_EVENTS (0x2ULL << KFD_MMAP_TYPE_SHIFT) 66df03ef93SHarish Kasiviswanathan #define KFD_MMAP_TYPE_RESERVED_MEM (0x1ULL << KFD_MMAP_TYPE_SHIFT) 67d33ea570SOak Zeng #define KFD_MMAP_TYPE_MMIO (0x0ULL << KFD_MMAP_TYPE_SHIFT) 68df03ef93SHarish Kasiviswanathan 6929453755SYong Zhao #define KFD_MMAP_GPU_ID_SHIFT 46 70df03ef93SHarish Kasiviswanathan #define KFD_MMAP_GPU_ID_MASK (((1ULL << KFD_GPU_ID_HASH_WIDTH) - 1) \ 71df03ef93SHarish Kasiviswanathan << KFD_MMAP_GPU_ID_SHIFT) 72df03ef93SHarish Kasiviswanathan #define KFD_MMAP_GPU_ID(gpu_id) ((((uint64_t)gpu_id) << KFD_MMAP_GPU_ID_SHIFT)\ 73df03ef93SHarish Kasiviswanathan & KFD_MMAP_GPU_ID_MASK) 7429453755SYong Zhao #define KFD_MMAP_GET_GPU_ID(offset) ((offset & KFD_MMAP_GPU_ID_MASK) \ 75df03ef93SHarish Kasiviswanathan >> KFD_MMAP_GPU_ID_SHIFT) 76df03ef93SHarish Kasiviswanathan 77ed6e6a34SBen Goz /* 78ed6e6a34SBen Goz * When working with cp scheduler we should assign the HIQ manually or via 79e7016d8eSYong Zhao * the amdgpu driver to a fixed hqd slot, here are the fixed HIQ hqd slot 80ed6e6a34SBen Goz * definitions for Kaveri. In Kaveri only the first ME queues participates 81ed6e6a34SBen Goz * in the cp scheduling taking that in mind we set the HIQ slot in the 82ed6e6a34SBen Goz * second ME. 83ed6e6a34SBen Goz */ 84ed6e6a34SBen Goz #define KFD_CIK_HIQ_PIPE 4 85ed6e6a34SBen Goz #define KFD_CIK_HIQ_QUEUE 0 86ed6e6a34SBen Goz 875b5c4e40SEvgeny Pinchuk /* Macro for allocating structures */ 885b5c4e40SEvgeny Pinchuk #define kfd_alloc_struct(ptr_to_struct) \ 895b5c4e40SEvgeny Pinchuk ((typeof(ptr_to_struct)) kzalloc(sizeof(*ptr_to_struct), GFP_KERNEL)) 905b5c4e40SEvgeny Pinchuk 9119f6d2a6SOded Gabbay #define KFD_MAX_NUM_OF_PROCESSES 512 92b8cbab04SOded Gabbay #define KFD_MAX_NUM_OF_QUEUES_PER_PROCESS 1024 9319f6d2a6SOded Gabbay 9419f6d2a6SOded Gabbay /* 95373d7080SFelix Kuehling * Size of the per-process TBA+TMA buffer: 2 pages 96373d7080SFelix Kuehling * 97373d7080SFelix Kuehling * The first page is the TBA used for the CWSR ISA code. The second 98373d7080SFelix Kuehling * page is used as TMA for daisy changing a user-mode trap handler. 99373d7080SFelix Kuehling */ 100373d7080SFelix Kuehling #define KFD_CWSR_TBA_TMA_SIZE (PAGE_SIZE * 2) 101373d7080SFelix Kuehling #define KFD_CWSR_TMA_OFFSET PAGE_SIZE 102373d7080SFelix Kuehling 10374523943SYong Zhao #define KFD_MAX_NUM_OF_QUEUES_PER_DEVICE \ 10474523943SYong Zhao (KFD_MAX_NUM_OF_PROCESSES * \ 10574523943SYong Zhao KFD_MAX_NUM_OF_QUEUES_PER_PROCESS) 10674523943SYong Zhao 10774523943SYong Zhao #define KFD_KERNEL_QUEUE_SIZE 2048 10874523943SYong Zhao 10914328aa5SPhilip Cox #define KFD_UNMAP_LATENCY_MS (4000) 11014328aa5SPhilip Cox 111373d7080SFelix Kuehling /* 1121f86805aSYong Zhao * 512 = 0x200 1131f86805aSYong Zhao * The doorbell index distance between SDMA RLC (2*i) and (2*i+1) in the 1141f86805aSYong Zhao * same SDMA engine on SOC15, which has 8-byte doorbells for SDMA. 1151f86805aSYong Zhao * 512 8-byte doorbell distance (i.e. one page away) ensures that SDMA RLC 1161f86805aSYong Zhao * (2*i+1) doorbells (in terms of the lower 12 bit address) lie exactly in 1171f86805aSYong Zhao * the OFFSET and SIZE set in registers like BIF_SDMA0_DOORBELL_RANGE. 1181f86805aSYong Zhao */ 1191f86805aSYong Zhao #define KFD_QUEUE_DOORBELL_MIRROR_OFFSET 512 1201f86805aSYong Zhao 1211f86805aSYong Zhao 1221f86805aSYong Zhao /* 123b8cbab04SOded Gabbay * Kernel module parameter to specify maximum number of supported queues per 124b8cbab04SOded Gabbay * device 12519f6d2a6SOded Gabbay */ 126b8cbab04SOded Gabbay extern int max_num_of_queues_per_device; 12719f6d2a6SOded Gabbay 128ed6e6a34SBen Goz 12931c21fecSBen Goz /* Kernel module parameter to specify the scheduling policy */ 13031c21fecSBen Goz extern int sched_policy; 13131c21fecSBen Goz 132a99c6d4fSFelix Kuehling /* 133a99c6d4fSFelix Kuehling * Kernel module parameter to specify the maximum process 134a99c6d4fSFelix Kuehling * number per HW scheduler 135a99c6d4fSFelix Kuehling */ 136a99c6d4fSFelix Kuehling extern int hws_max_conc_proc; 137a99c6d4fSFelix Kuehling 138373d7080SFelix Kuehling extern int cwsr_enable; 139373d7080SFelix Kuehling 14081663016SOded Gabbay /* 14181663016SOded Gabbay * Kernel module parameter to specify whether to send sigterm to HSA process on 14281663016SOded Gabbay * unhandled exception 14381663016SOded Gabbay */ 14481663016SOded Gabbay extern int send_sigterm; 14581663016SOded Gabbay 146ebcfd1e2SFelix Kuehling /* 147374200b1SFelix Kuehling * This kernel module is used to simulate large bar machine on non-large bar 148374200b1SFelix Kuehling * enabled machines. 149374200b1SFelix Kuehling */ 150374200b1SFelix Kuehling extern int debug_largebar; 151374200b1SFelix Kuehling 152374200b1SFelix Kuehling /* 153ebcfd1e2SFelix Kuehling * Ignore CRAT table during KFD initialization, can be used to work around 154ebcfd1e2SFelix Kuehling * broken CRAT tables on some AMD systems 155ebcfd1e2SFelix Kuehling */ 156ebcfd1e2SFelix Kuehling extern int ignore_crat; 157ebcfd1e2SFelix Kuehling 158bed4f110SFelix Kuehling /* 159bed4f110SFelix Kuehling * Set sh_mem_config.retry_disable on Vega10 160bed4f110SFelix Kuehling */ 16175ee6487SFelix Kuehling extern int amdgpu_noretry; 162bed4f110SFelix Kuehling 1630e9a860cSYong Zhao /* 1640e9a860cSYong Zhao * Halt if HWS hang is detected 1650e9a860cSYong Zhao */ 1660e9a860cSYong Zhao extern int halt_if_hws_hang; 1670e9a860cSYong Zhao 16829e76462SOak Zeng /* 16929e76462SOak Zeng * Whether MEC FW support GWS barriers 17029e76462SOak Zeng */ 17129e76462SOak Zeng extern bool hws_gws_support; 17229e76462SOak Zeng 17314328aa5SPhilip Cox /* 17414328aa5SPhilip Cox * Queue preemption timeout in ms 17514328aa5SPhilip Cox */ 17614328aa5SPhilip Cox extern int queue_preemption_timeout_ms; 17714328aa5SPhilip Cox 178ed6e6a34SBen Goz enum cache_policy { 179ed6e6a34SBen Goz cache_policy_coherent, 180ed6e6a34SBen Goz cache_policy_noncoherent 181ed6e6a34SBen Goz }; 182ed6e6a34SBen Goz 183ef568db7SFelix Kuehling #define KFD_IS_SOC15(chip) ((chip) >= CHIP_VEGA10) 184ef568db7SFelix Kuehling 185f3a39818SAndrew Lewycky struct kfd_event_interrupt_class { 186f3a39818SAndrew Lewycky bool (*interrupt_isr)(struct kfd_dev *dev, 18758e69886SLan Xiao const uint32_t *ih_ring_entry, uint32_t *patched_ihre, 18858e69886SLan Xiao bool *patched_flag); 189f3a39818SAndrew Lewycky void (*interrupt_wq)(struct kfd_dev *dev, 190f3a39818SAndrew Lewycky const uint32_t *ih_ring_entry); 191f3a39818SAndrew Lewycky }; 192f3a39818SAndrew Lewycky 1934a488a7aSOded Gabbay struct kfd_device_info { 194e596b903SYong Zhao enum amd_asic_type asic_family; 195c181159aSYong Zhao const char *asic_name; 196f3a39818SAndrew Lewycky const struct kfd_event_interrupt_class *event_interrupt_class; 1974a488a7aSOded Gabbay unsigned int max_pasid_bits; 198992839adSYair Shachar unsigned int max_no_of_hqd; 199ada2b29cSFelix Kuehling unsigned int doorbell_size; 2004a488a7aSOded Gabbay size_t ih_ring_entry_size; 201f7c826adSAlexey Skidanov uint8_t num_of_watch_points; 20219f6d2a6SOded Gabbay uint16_t mqd_size_aligned; 203373d7080SFelix Kuehling bool supports_cwsr; 20464d1c3a4SFelix Kuehling bool needs_iommu_device; 2053ee2d00cSFelix Kuehling bool needs_pci_atomics; 20698bb9222SYong Zhao unsigned int num_sdma_engines; 2071b4670f6SOak Zeng unsigned int num_xgmi_sdma_engines; 208d5094189SShaoyun Liu unsigned int num_sdma_queues_per_engine; 2094a488a7aSOded Gabbay }; 2104a488a7aSOded Gabbay 21136b5c08fSOded Gabbay struct kfd_mem_obj { 21236b5c08fSOded Gabbay uint32_t range_start; 21336b5c08fSOded Gabbay uint32_t range_end; 21436b5c08fSOded Gabbay uint64_t gpu_addr; 21536b5c08fSOded Gabbay uint32_t *cpu_ptr; 216b91d43ddSFelix Kuehling void *gtt_mem; 21736b5c08fSOded Gabbay }; 21836b5c08fSOded Gabbay 21944008d7aSYong Zhao struct kfd_vmid_info { 22044008d7aSYong Zhao uint32_t first_vmid_kfd; 22144008d7aSYong Zhao uint32_t last_vmid_kfd; 22244008d7aSYong Zhao uint32_t vmid_num_kfd; 22344008d7aSYong Zhao }; 22444008d7aSYong Zhao 2254a488a7aSOded Gabbay struct kfd_dev { 2264a488a7aSOded Gabbay struct kgd_dev *kgd; 2274a488a7aSOded Gabbay 2284a488a7aSOded Gabbay const struct kfd_device_info *device_info; 2294a488a7aSOded Gabbay struct pci_dev *pdev; 2303a0c3423SHarish Kasiviswanathan struct drm_device *ddev; 2314a488a7aSOded Gabbay 2324a488a7aSOded Gabbay unsigned int id; /* topology stub index */ 2334a488a7aSOded Gabbay 23419f6d2a6SOded Gabbay phys_addr_t doorbell_base; /* Start of actual doorbells used by 23519f6d2a6SOded Gabbay * KFD. It is aligned for mapping 23619f6d2a6SOded Gabbay * into user mode 23719f6d2a6SOded Gabbay */ 238339903faSYong Zhao size_t doorbell_base_dw_offset; /* Offset from the start of the PCI 239339903faSYong Zhao * doorbell BAR to the first KFD 240339903faSYong Zhao * doorbell in dwords. GFX reserves 241339903faSYong Zhao * the segment before this offset. 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 6896027b1bfSYong Zhao uint16_t pasid; 690a91e70e3SFelix Kuehling unsigned int doorbell_index; 69119f6d2a6SOded Gabbay 69219f6d2a6SOded Gabbay /* 69319f6d2a6SOded Gabbay * List of kfd_process_device structures, 69419f6d2a6SOded Gabbay * one for each device the process is using. 69519f6d2a6SOded Gabbay */ 69619f6d2a6SOded Gabbay struct list_head per_device_data; 69719f6d2a6SOded Gabbay 69845102048SBen Goz struct process_queue_manager pqm; 69945102048SBen Goz 70019f6d2a6SOded Gabbay /*Is the user space process 32 bit?*/ 70119f6d2a6SOded Gabbay bool is_32bit_user_mode; 702f3a39818SAndrew Lewycky 703f3a39818SAndrew Lewycky /* Event-related data */ 704f3a39818SAndrew Lewycky struct mutex event_mutex; 705482f0777SFelix Kuehling /* Event ID allocator and lookup */ 706482f0777SFelix Kuehling struct idr event_idr; 70750cb7dd9SFelix Kuehling /* Event page */ 70850cb7dd9SFelix Kuehling struct kfd_signal_page *signal_page; 709b9a5d0a5SFelix Kuehling size_t signal_mapped_size; 710f3a39818SAndrew Lewycky size_t signal_event_count; 711c986169fSFelix Kuehling bool signal_event_limit_reached; 712403575c4SFelix Kuehling 713403575c4SFelix Kuehling /* Information used for memory eviction */ 714403575c4SFelix Kuehling void *kgd_process_info; 715403575c4SFelix Kuehling /* Eviction fence that is attached to all the BOs of this process. The 716403575c4SFelix Kuehling * fence will be triggered during eviction and new one will be created 717403575c4SFelix Kuehling * during restore 718403575c4SFelix Kuehling */ 719403575c4SFelix Kuehling struct dma_fence *ef; 72026103436SFelix Kuehling 72126103436SFelix Kuehling /* Work items for evicting and restoring BOs */ 72226103436SFelix Kuehling struct delayed_work eviction_work; 72326103436SFelix Kuehling struct delayed_work restore_work; 72426103436SFelix Kuehling /* seqno of the last scheduled eviction */ 72526103436SFelix Kuehling unsigned int last_eviction_seqno; 72626103436SFelix Kuehling /* Approx. the last timestamp (in jiffies) when the process was 72726103436SFelix Kuehling * restored after an eviction 72826103436SFelix Kuehling */ 72926103436SFelix Kuehling unsigned long last_restore_timestamp; 730de9f26bbSKent Russell 731de9f26bbSKent Russell /* Kobj for our procfs */ 732de9f26bbSKent Russell struct kobject *kobj; 733de9f26bbSKent Russell struct attribute attr_pasid; 7344a488a7aSOded Gabbay }; 7354a488a7aSOded Gabbay 73664d1c3a4SFelix Kuehling #define KFD_PROCESS_TABLE_SIZE 5 /* bits: 32 entries */ 73764d1c3a4SFelix Kuehling extern DECLARE_HASHTABLE(kfd_processes_table, KFD_PROCESS_TABLE_SIZE); 73864d1c3a4SFelix Kuehling extern struct srcu_struct kfd_processes_srcu; 73964d1c3a4SFelix Kuehling 74076baee6cSOded Gabbay /** 74176baee6cSOded Gabbay * Ioctl function type. 74276baee6cSOded Gabbay * 74376baee6cSOded Gabbay * \param filep pointer to file structure. 74476baee6cSOded Gabbay * \param p amdkfd process pointer. 74576baee6cSOded Gabbay * \param data pointer to arg that was copied from user. 74676baee6cSOded Gabbay */ 74776baee6cSOded Gabbay typedef int amdkfd_ioctl_t(struct file *filep, struct kfd_process *p, 74876baee6cSOded Gabbay void *data); 74976baee6cSOded Gabbay 75076baee6cSOded Gabbay struct amdkfd_ioctl_desc { 75176baee6cSOded Gabbay unsigned int cmd; 75276baee6cSOded Gabbay int flags; 75376baee6cSOded Gabbay amdkfd_ioctl_t *func; 75476baee6cSOded Gabbay unsigned int cmd_drv; 75576baee6cSOded Gabbay const char *name; 75676baee6cSOded Gabbay }; 75767f7cf9fSshaoyunl bool kfd_dev_is_large_bar(struct kfd_dev *dev); 75876baee6cSOded Gabbay 7591679ae8fSFelix Kuehling int kfd_process_create_wq(void); 76019f6d2a6SOded Gabbay void kfd_process_destroy_wq(void); 761373d7080SFelix Kuehling struct kfd_process *kfd_create_process(struct file *filep); 76219f6d2a6SOded Gabbay struct kfd_process *kfd_get_process(const struct task_struct *); 763f3a39818SAndrew Lewycky struct kfd_process *kfd_lookup_process_by_pasid(unsigned int pasid); 76426103436SFelix Kuehling struct kfd_process *kfd_lookup_process_by_mm(const struct mm_struct *mm); 765abb208a8SFelix Kuehling void kfd_unref_process(struct kfd_process *p); 7666b95e797SFelix Kuehling int kfd_process_evict_queues(struct kfd_process *p); 7676b95e797SFelix Kuehling int kfd_process_restore_queues(struct kfd_process *p); 76826103436SFelix Kuehling void kfd_suspend_all_processes(void); 76926103436SFelix Kuehling int kfd_resume_all_processes(void); 77019f6d2a6SOded Gabbay 771b84394e2SFelix Kuehling int kfd_process_device_init_vm(struct kfd_process_device *pdd, 772b84394e2SFelix Kuehling struct file *drm_file); 77364c7f8cfSBen Goz struct kfd_process_device *kfd_bind_process_to_device(struct kfd_dev *dev, 77464c7f8cfSBen Goz struct kfd_process *p); 77519f6d2a6SOded Gabbay struct kfd_process_device *kfd_get_process_device_data(struct kfd_dev *dev, 776093c7d8cSAlexey Skidanov struct kfd_process *p); 777093c7d8cSAlexey Skidanov struct kfd_process_device *kfd_create_process_device_data(struct kfd_dev *dev, 778093c7d8cSAlexey Skidanov struct kfd_process *p); 77919f6d2a6SOded Gabbay 780df03ef93SHarish Kasiviswanathan int kfd_reserved_mem_mmap(struct kfd_dev *dev, struct kfd_process *process, 781373d7080SFelix Kuehling struct vm_area_struct *vma); 782373d7080SFelix Kuehling 78352b29d73SFelix Kuehling /* KFD process API for creating and translating handles */ 78452b29d73SFelix Kuehling int kfd_process_device_create_obj_handle(struct kfd_process_device *pdd, 78552b29d73SFelix Kuehling void *mem); 78652b29d73SFelix Kuehling void *kfd_process_device_translate_handle(struct kfd_process_device *p, 78752b29d73SFelix Kuehling int handle); 78852b29d73SFelix Kuehling void kfd_process_device_remove_obj_handle(struct kfd_process_device *pdd, 78952b29d73SFelix Kuehling int handle); 79052b29d73SFelix Kuehling 791775921edSAlexey Skidanov /* Process device data iterator */ 7928eabaf54SKent Russell struct kfd_process_device *kfd_get_first_process_device_data( 7938eabaf54SKent Russell struct kfd_process *p); 7948eabaf54SKent Russell struct kfd_process_device *kfd_get_next_process_device_data( 7958eabaf54SKent Russell struct kfd_process *p, 796775921edSAlexey Skidanov struct kfd_process_device *pdd); 797775921edSAlexey Skidanov bool kfd_has_process_device_data(struct kfd_process *p); 798775921edSAlexey Skidanov 79919f6d2a6SOded Gabbay /* PASIDs */ 80019f6d2a6SOded Gabbay int kfd_pasid_init(void); 80119f6d2a6SOded Gabbay void kfd_pasid_exit(void); 80219f6d2a6SOded Gabbay bool kfd_set_pasid_limit(unsigned int new_limit); 80319f6d2a6SOded Gabbay unsigned int kfd_get_pasid_limit(void); 80419f6d2a6SOded Gabbay unsigned int kfd_pasid_alloc(void); 80519f6d2a6SOded Gabbay void kfd_pasid_free(unsigned int pasid); 80619f6d2a6SOded Gabbay 80719f6d2a6SOded Gabbay /* Doorbells */ 808ef568db7SFelix Kuehling size_t kfd_doorbell_process_slice(struct kfd_dev *kfd); 809735df2baSFelix Kuehling int kfd_doorbell_init(struct kfd_dev *kfd); 810735df2baSFelix Kuehling void kfd_doorbell_fini(struct kfd_dev *kfd); 811df03ef93SHarish Kasiviswanathan int kfd_doorbell_mmap(struct kfd_dev *dev, struct kfd_process *process, 812df03ef93SHarish Kasiviswanathan struct vm_area_struct *vma); 813ada2b29cSFelix Kuehling void __iomem *kfd_get_kernel_doorbell(struct kfd_dev *kfd, 81419f6d2a6SOded Gabbay unsigned int *doorbell_off); 81519f6d2a6SOded Gabbay void kfd_release_kernel_doorbell(struct kfd_dev *kfd, u32 __iomem *db_addr); 81619f6d2a6SOded Gabbay u32 read_kernel_doorbell(u32 __iomem *db); 817ada2b29cSFelix Kuehling void write_kernel_doorbell(void __iomem *db, u32 value); 8189d7d0248SFelix Kuehling void write_kernel_doorbell64(void __iomem *db, u64 value); 819339903faSYong Zhao unsigned int kfd_get_doorbell_dw_offset_in_bar(struct kfd_dev *kfd, 82019f6d2a6SOded Gabbay struct kfd_process *process, 821ef568db7SFelix Kuehling unsigned int doorbell_id); 822a91e70e3SFelix Kuehling phys_addr_t kfd_get_process_doorbells(struct kfd_dev *dev, 823a91e70e3SFelix Kuehling struct kfd_process *process); 824a91e70e3SFelix Kuehling int kfd_alloc_process_doorbells(struct kfd_process *process); 825a91e70e3SFelix Kuehling void kfd_free_process_doorbells(struct kfd_process *process); 82619f6d2a6SOded Gabbay 8276e81090bSOded Gabbay /* GTT Sub-Allocator */ 8286e81090bSOded Gabbay 8296e81090bSOded Gabbay int kfd_gtt_sa_allocate(struct kfd_dev *kfd, unsigned int size, 8306e81090bSOded Gabbay struct kfd_mem_obj **mem_obj); 8316e81090bSOded Gabbay 8326e81090bSOded Gabbay int kfd_gtt_sa_free(struct kfd_dev *kfd, struct kfd_mem_obj *mem_obj); 8336e81090bSOded Gabbay 8344a488a7aSOded Gabbay extern struct device *kfd_device; 8354a488a7aSOded Gabbay 836de9f26bbSKent Russell /* KFD's procfs */ 837de9f26bbSKent Russell void kfd_procfs_init(void); 838de9f26bbSKent Russell void kfd_procfs_shutdown(void); 839de9f26bbSKent Russell 8405b5c4e40SEvgeny Pinchuk /* Topology */ 8415b5c4e40SEvgeny Pinchuk int kfd_topology_init(void); 8425b5c4e40SEvgeny Pinchuk void kfd_topology_shutdown(void); 8435b5c4e40SEvgeny Pinchuk int kfd_topology_add_device(struct kfd_dev *gpu); 8445b5c4e40SEvgeny Pinchuk int kfd_topology_remove_device(struct kfd_dev *gpu); 8453a87177eSHarish Kasiviswanathan struct kfd_topology_device *kfd_topology_device_by_proximity_domain( 8463a87177eSHarish Kasiviswanathan uint32_t proximity_domain); 84744d8cc6fSYong Zhao struct kfd_topology_device *kfd_topology_device_by_id(uint32_t gpu_id); 8485b5c4e40SEvgeny Pinchuk struct kfd_dev *kfd_device_by_id(uint32_t gpu_id); 8495b5c4e40SEvgeny Pinchuk struct kfd_dev *kfd_device_by_pci_dev(const struct pci_dev *pdev); 8501dde0ea9SFelix Kuehling struct kfd_dev *kfd_device_by_kgd(const struct kgd_dev *kgd); 8516d82eb0eSHarish Kasiviswanathan int kfd_topology_enum_kfd_devices(uint8_t idx, struct kfd_dev **kdev); 852520b8fb7SFelix Kuehling int kfd_numa_node_to_apic_id(int numa_node_id); 8535b5c4e40SEvgeny Pinchuk 8544a488a7aSOded Gabbay /* Interrupts */ 8552249d558SAndrew Lewycky int kfd_interrupt_init(struct kfd_dev *dev); 8562249d558SAndrew Lewycky void kfd_interrupt_exit(struct kfd_dev *dev); 8572249d558SAndrew Lewycky bool enqueue_ih_ring_entry(struct kfd_dev *kfd, const void *ih_ring_entry); 85858e69886SLan Xiao bool interrupt_is_wanted(struct kfd_dev *dev, 85958e69886SLan Xiao const uint32_t *ih_ring_entry, 86058e69886SLan Xiao uint32_t *patched_ihre, bool *flag); 8614a488a7aSOded Gabbay 86219f6d2a6SOded Gabbay /* amdkfd Apertures */ 86319f6d2a6SOded Gabbay int kfd_init_apertures(struct kfd_process *process); 86419f6d2a6SOded Gabbay 865ed6e6a34SBen Goz /* Queue Context Management */ 866e88a614cSEdward O'Callaghan int init_queue(struct queue **q, const struct queue_properties *properties); 867ed6e6a34SBen Goz void uninit_queue(struct queue *q); 86845102048SBen Goz void print_queue_properties(struct queue_properties *q); 869ed6e6a34SBen Goz void print_queue(struct queue *q); 870ed6e6a34SBen Goz 8714b8f589bSBen Goz struct mqd_manager *mqd_manager_init_cik(enum KFD_MQD_TYPE type, 8724b8f589bSBen Goz struct kfd_dev *dev); 873ee04955aSFelix Kuehling struct mqd_manager *mqd_manager_init_cik_hawaii(enum KFD_MQD_TYPE type, 874ee04955aSFelix Kuehling struct kfd_dev *dev); 8754b8f589bSBen Goz struct mqd_manager *mqd_manager_init_vi(enum KFD_MQD_TYPE type, 8764b8f589bSBen Goz struct kfd_dev *dev); 877ee04955aSFelix Kuehling struct mqd_manager *mqd_manager_init_vi_tonga(enum KFD_MQD_TYPE type, 878ee04955aSFelix Kuehling struct kfd_dev *dev); 879b91d43ddSFelix Kuehling struct mqd_manager *mqd_manager_init_v9(enum KFD_MQD_TYPE type, 880b91d43ddSFelix Kuehling struct kfd_dev *dev); 88114328aa5SPhilip Cox struct mqd_manager *mqd_manager_init_v10(enum KFD_MQD_TYPE type, 88214328aa5SPhilip Cox struct kfd_dev *dev); 88364c7f8cfSBen Goz struct device_queue_manager *device_queue_manager_init(struct kfd_dev *dev); 88464c7f8cfSBen Goz void device_queue_manager_uninit(struct device_queue_manager *dqm); 885241f24f8SBen Goz struct kernel_queue *kernel_queue_init(struct kfd_dev *dev, 886241f24f8SBen Goz enum kfd_queue_type type); 887241f24f8SBen Goz void kernel_queue_uninit(struct kernel_queue *kq); 8882640c3faSshaoyunl int kfd_process_vm_fault(struct device_queue_manager *dqm, unsigned int pasid); 889241f24f8SBen Goz 89045102048SBen Goz /* Process Queue Manager */ 89145102048SBen Goz struct process_queue_node { 89245102048SBen Goz struct queue *q; 89345102048SBen Goz struct kernel_queue *kq; 89445102048SBen Goz struct list_head process_queue_list; 89545102048SBen Goz }; 89645102048SBen Goz 8979fd3f1bfSFelix Kuehling void kfd_process_dequeue_from_device(struct kfd_process_device *pdd); 8989fd3f1bfSFelix Kuehling void kfd_process_dequeue_from_all_devices(struct kfd_process *p); 89945102048SBen Goz int pqm_init(struct process_queue_manager *pqm, struct kfd_process *p); 90045102048SBen Goz void pqm_uninit(struct process_queue_manager *pqm); 90145102048SBen Goz int pqm_create_queue(struct process_queue_manager *pqm, 90245102048SBen Goz struct kfd_dev *dev, 90345102048SBen Goz struct file *f, 90445102048SBen Goz struct queue_properties *properties, 90545102048SBen Goz unsigned int *qid); 90645102048SBen Goz int pqm_destroy_queue(struct process_queue_manager *pqm, unsigned int qid); 90745102048SBen Goz int pqm_update_queue(struct process_queue_manager *pqm, unsigned int qid, 90845102048SBen Goz struct queue_properties *p); 90939e7f331SFelix Kuehling int pqm_set_cu_mask(struct process_queue_manager *pqm, unsigned int qid, 91039e7f331SFelix Kuehling struct queue_properties *p); 911eb82da1dSOak Zeng int pqm_set_gws(struct process_queue_manager *pqm, unsigned int qid, 912eb82da1dSOak Zeng void *gws); 913fbeb661bSYair Shachar struct kernel_queue *pqm_get_kernel_queue(struct process_queue_manager *pqm, 914fbeb661bSYair Shachar unsigned int qid); 9155df099e8SJay Cornwall int pqm_get_wave_state(struct process_queue_manager *pqm, 9165df099e8SJay Cornwall unsigned int qid, 9175df099e8SJay Cornwall void __user *ctl_stack, 9185df099e8SJay Cornwall u32 *ctl_stack_used_size, 9195df099e8SJay Cornwall u32 *save_area_used_size); 92045102048SBen Goz 921788bf83dSYair Shachar int amdkfd_fence_wait_timeout(unsigned int *fence_addr, 922788bf83dSYair Shachar unsigned int fence_value, 9238c72c3d7SYong Zhao unsigned int timeout_ms); 924788bf83dSYair Shachar 925ed6e6a34SBen Goz /* Packet Manager */ 926ed6e6a34SBen Goz 92764c7f8cfSBen Goz #define KFD_FENCE_COMPLETED (100) 92864c7f8cfSBen Goz #define KFD_FENCE_INIT (10) 929241f24f8SBen Goz 930ed6e6a34SBen Goz struct packet_manager { 931ed6e6a34SBen Goz struct device_queue_manager *dqm; 932ed6e6a34SBen Goz struct kernel_queue *priv_queue; 933ed6e6a34SBen Goz struct mutex lock; 934ed6e6a34SBen Goz bool allocated; 935ed6e6a34SBen Goz struct kfd_mem_obj *ib_buffer_obj; 936851a645eSFelix Kuehling unsigned int ib_size_bytes; 937819ec5acSFelix Kuehling bool is_over_subscription; 938f6e27ff1SFelix Kuehling 939f6e27ff1SFelix Kuehling const struct packet_manager_funcs *pmf; 940ed6e6a34SBen Goz }; 941ed6e6a34SBen Goz 942f6e27ff1SFelix Kuehling struct packet_manager_funcs { 943f6e27ff1SFelix Kuehling /* Support ASIC-specific packet formats for PM4 packets */ 944f6e27ff1SFelix Kuehling int (*map_process)(struct packet_manager *pm, uint32_t *buffer, 945f6e27ff1SFelix Kuehling struct qcm_process_device *qpd); 946f6e27ff1SFelix Kuehling int (*runlist)(struct packet_manager *pm, uint32_t *buffer, 947f6e27ff1SFelix Kuehling uint64_t ib, size_t ib_size_in_dwords, bool chain); 948f6e27ff1SFelix Kuehling int (*set_resources)(struct packet_manager *pm, uint32_t *buffer, 949f6e27ff1SFelix Kuehling struct scheduling_resources *res); 950f6e27ff1SFelix Kuehling int (*map_queues)(struct packet_manager *pm, uint32_t *buffer, 951f6e27ff1SFelix Kuehling struct queue *q, bool is_static); 952f6e27ff1SFelix Kuehling int (*unmap_queues)(struct packet_manager *pm, uint32_t *buffer, 953f6e27ff1SFelix Kuehling enum kfd_queue_type type, 954f6e27ff1SFelix Kuehling enum kfd_unmap_queues_filter mode, 955f6e27ff1SFelix Kuehling uint32_t filter_param, bool reset, 956f6e27ff1SFelix Kuehling unsigned int sdma_engine); 957f6e27ff1SFelix Kuehling int (*query_status)(struct packet_manager *pm, uint32_t *buffer, 958f6e27ff1SFelix Kuehling uint64_t fence_address, uint32_t fence_value); 959f6e27ff1SFelix Kuehling int (*release_mem)(uint64_t gpu_addr, uint32_t *buffer); 960f6e27ff1SFelix Kuehling 961f6e27ff1SFelix Kuehling /* Packet sizes */ 962f6e27ff1SFelix Kuehling int map_process_size; 963f6e27ff1SFelix Kuehling int runlist_size; 964f6e27ff1SFelix Kuehling int set_resources_size; 965f6e27ff1SFelix Kuehling int map_queues_size; 966f6e27ff1SFelix Kuehling int unmap_queues_size; 967f6e27ff1SFelix Kuehling int query_status_size; 968f6e27ff1SFelix Kuehling int release_mem_size; 969f6e27ff1SFelix Kuehling }; 970f6e27ff1SFelix Kuehling 971f6e27ff1SFelix Kuehling extern const struct packet_manager_funcs kfd_vi_pm_funcs; 972454150b1SFelix Kuehling extern const struct packet_manager_funcs kfd_v9_pm_funcs; 973f6e27ff1SFelix Kuehling 97464c7f8cfSBen Goz int pm_init(struct packet_manager *pm, struct device_queue_manager *dqm); 97564c7f8cfSBen Goz void pm_uninit(struct packet_manager *pm); 97664c7f8cfSBen Goz int pm_send_set_resources(struct packet_manager *pm, 97764c7f8cfSBen Goz struct scheduling_resources *res); 97864c7f8cfSBen Goz int pm_send_runlist(struct packet_manager *pm, struct list_head *dqm_queues); 97964c7f8cfSBen Goz int pm_send_query_status(struct packet_manager *pm, uint64_t fence_address, 98064c7f8cfSBen Goz uint32_t fence_value); 98164c7f8cfSBen Goz 98264c7f8cfSBen Goz int pm_send_unmap_queue(struct packet_manager *pm, enum kfd_queue_type type, 9837da2bcf8SYong Zhao enum kfd_unmap_queues_filter mode, 98464c7f8cfSBen Goz uint32_t filter_param, bool reset, 98564c7f8cfSBen Goz unsigned int sdma_engine); 98664c7f8cfSBen Goz 987241f24f8SBen Goz void pm_release_ib(struct packet_manager *pm); 988241f24f8SBen Goz 989454150b1SFelix Kuehling /* Following PM funcs can be shared among VI and AI */ 990454150b1SFelix Kuehling unsigned int pm_build_pm4_header(unsigned int opcode, size_t packet_size); 99114328aa5SPhilip Cox 99219f6d2a6SOded Gabbay uint64_t kfd_get_number_elems(struct kfd_dev *kfd); 99319f6d2a6SOded Gabbay 994f3a39818SAndrew Lewycky /* Events */ 995f3a39818SAndrew Lewycky extern const struct kfd_event_interrupt_class event_interrupt_class_cik; 996ca750681SFelix Kuehling extern const struct kfd_event_interrupt_class event_interrupt_class_v9; 997ca750681SFelix Kuehling 998930c5ff4SAlexey Skidanov extern const struct kfd_device_global_init_class device_global_init_class_cik; 999f3a39818SAndrew Lewycky 1000f3a39818SAndrew Lewycky void kfd_event_init_process(struct kfd_process *p); 1001f3a39818SAndrew Lewycky void kfd_event_free_process(struct kfd_process *p); 1002f3a39818SAndrew Lewycky int kfd_event_mmap(struct kfd_process *process, struct vm_area_struct *vma); 1003f3a39818SAndrew Lewycky int kfd_wait_on_events(struct kfd_process *p, 100459d3e8beSAlexey Skidanov uint32_t num_events, void __user *data, 1005f3a39818SAndrew Lewycky bool all, uint32_t user_timeout_ms, 1006fdf0c833SFelix Kuehling uint32_t *wait_result); 1007f3a39818SAndrew Lewycky void kfd_signal_event_interrupt(unsigned int pasid, uint32_t partial_id, 1008f3a39818SAndrew Lewycky uint32_t valid_id_bits); 100959d3e8beSAlexey Skidanov void kfd_signal_iommu_event(struct kfd_dev *dev, 101059d3e8beSAlexey Skidanov unsigned int pasid, unsigned long address, 101159d3e8beSAlexey Skidanov bool is_write_requested, bool is_execute_requested); 1012930c5ff4SAlexey Skidanov void kfd_signal_hw_exception_event(unsigned int pasid); 1013f3a39818SAndrew Lewycky int kfd_set_event(struct kfd_process *p, uint32_t event_id); 1014f3a39818SAndrew Lewycky int kfd_reset_event(struct kfd_process *p, uint32_t event_id); 10150fc8011fSFelix Kuehling int kfd_event_page_set(struct kfd_process *p, void *kernel_address, 10160fc8011fSFelix Kuehling uint64_t size); 1017f3a39818SAndrew Lewycky int kfd_event_create(struct file *devkfd, struct kfd_process *p, 1018f3a39818SAndrew Lewycky uint32_t event_type, bool auto_reset, uint32_t node_id, 1019f3a39818SAndrew Lewycky uint32_t *event_id, uint32_t *event_trigger_data, 1020f3a39818SAndrew Lewycky uint64_t *event_page_offset, uint32_t *event_slot_index); 1021f3a39818SAndrew Lewycky int kfd_event_destroy(struct kfd_process *p, uint32_t event_id); 1022f3a39818SAndrew Lewycky 10232640c3faSshaoyunl void kfd_signal_vm_fault_event(struct kfd_dev *dev, unsigned int pasid, 10242640c3faSshaoyunl struct kfd_vm_fault_info *info); 10252640c3faSshaoyunl 1026e42051d2SShaoyun Liu void kfd_signal_reset_event(struct kfd_dev *dev); 1027e42051d2SShaoyun Liu 1028403575c4SFelix Kuehling void kfd_flush_tlb(struct kfd_process_device *pdd); 1029403575c4SFelix Kuehling 1030c3447e81SBen Goz int dbgdev_wave_reset_wavefronts(struct kfd_dev *dev, struct kfd_process *p); 1031c3447e81SBen Goz 1032e42051d2SShaoyun Liu bool kfd_is_locked(void); 1033e42051d2SShaoyun Liu 1034f756e631SHarish Kasiviswanathan /* Compute profile */ 1035f756e631SHarish Kasiviswanathan void kfd_inc_compute_active(struct kfd_dev *dev); 1036f756e631SHarish Kasiviswanathan void kfd_dec_compute_active(struct kfd_dev *dev); 1037f756e631SHarish Kasiviswanathan 10386b855f7bSHarish Kasiviswanathan /* Cgroup Support */ 10396b855f7bSHarish Kasiviswanathan /* Check with device cgroup if @kfd device is accessible */ 10406b855f7bSHarish Kasiviswanathan static inline int kfd_devcgroup_check_permission(struct kfd_dev *kfd) 10416b855f7bSHarish Kasiviswanathan { 10426b855f7bSHarish Kasiviswanathan #if defined(CONFIG_CGROUP_DEVICE) 10436b855f7bSHarish Kasiviswanathan struct drm_device *ddev = kfd->ddev; 10446b855f7bSHarish Kasiviswanathan 10456b855f7bSHarish Kasiviswanathan return devcgroup_check_permission(DEVCG_DEV_CHAR, ddev->driver->major, 10466b855f7bSHarish Kasiviswanathan ddev->render->index, 10476b855f7bSHarish Kasiviswanathan DEVCG_ACC_WRITE | DEVCG_ACC_READ); 10486b855f7bSHarish Kasiviswanathan #else 10496b855f7bSHarish Kasiviswanathan return 0; 10506b855f7bSHarish Kasiviswanathan #endif 10516b855f7bSHarish Kasiviswanathan } 10526b855f7bSHarish Kasiviswanathan 1053851a645eSFelix Kuehling /* Debugfs */ 1054851a645eSFelix Kuehling #if defined(CONFIG_DEBUG_FS) 1055851a645eSFelix Kuehling 1056851a645eSFelix Kuehling void kfd_debugfs_init(void); 1057851a645eSFelix Kuehling void kfd_debugfs_fini(void); 1058851a645eSFelix Kuehling int kfd_debugfs_mqds_by_process(struct seq_file *m, void *data); 1059851a645eSFelix Kuehling int pqm_debugfs_mqds(struct seq_file *m, void *data); 1060851a645eSFelix Kuehling int kfd_debugfs_hqds_by_device(struct seq_file *m, void *data); 1061851a645eSFelix Kuehling int dqm_debugfs_hqds(struct seq_file *m, void *data); 1062851a645eSFelix Kuehling int kfd_debugfs_rls_by_device(struct seq_file *m, void *data); 1063851a645eSFelix Kuehling int pm_debugfs_runlist(struct seq_file *m, void *data); 1064851a645eSFelix Kuehling 1065a29ec470SShaoyun Liu int kfd_debugfs_hang_hws(struct kfd_dev *dev); 1066a29ec470SShaoyun Liu int pm_debugfs_hang_hws(struct packet_manager *pm); 1067a29ec470SShaoyun Liu int dqm_debugfs_execute_queues(struct device_queue_manager *dqm); 1068a29ec470SShaoyun Liu 1069851a645eSFelix Kuehling #else 1070851a645eSFelix Kuehling 1071851a645eSFelix Kuehling static inline void kfd_debugfs_init(void) {} 1072851a645eSFelix Kuehling static inline void kfd_debugfs_fini(void) {} 1073851a645eSFelix Kuehling 1074851a645eSFelix Kuehling #endif 1075851a645eSFelix Kuehling 10764a488a7aSOded Gabbay #endif 1077