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> 4399c7b309SLorenz Brun #include <drm/drm_ioctl.h> 444a488a7aSOded Gabbay #include <kgd_kfd_interface.h> 456d220a7eSAmber Lin #include <linux/swap.h> 464a488a7aSOded Gabbay 47e596b903SYong Zhao #include "amd_shared.h" 48e596b903SYong Zhao 49af47b390SLaura Abbott #define KFD_MAX_RING_ENTRY_SIZE 8 50af47b390SLaura Abbott 515b5c4e40SEvgeny Pinchuk #define KFD_SYSFS_FILE_MODE 0444 525b5c4e40SEvgeny Pinchuk 53df03ef93SHarish Kasiviswanathan /* GPU ID hash width in bits */ 54df03ef93SHarish Kasiviswanathan #define KFD_GPU_ID_HASH_WIDTH 16 55df03ef93SHarish Kasiviswanathan 56df03ef93SHarish Kasiviswanathan /* Use upper bits of mmap offset to store KFD driver specific information. 57df03ef93SHarish Kasiviswanathan * BITS[63:62] - Encode MMAP type 58df03ef93SHarish Kasiviswanathan * BITS[61:46] - Encode gpu_id. To identify to which GPU the offset belongs to 59df03ef93SHarish Kasiviswanathan * BITS[45:0] - MMAP offset value 60df03ef93SHarish Kasiviswanathan * 61df03ef93SHarish Kasiviswanathan * NOTE: struct vm_area_struct.vm_pgoff uses offset in pages. Hence, these 62df03ef93SHarish Kasiviswanathan * defines are w.r.t to PAGE_SIZE 63df03ef93SHarish Kasiviswanathan */ 6429453755SYong Zhao #define KFD_MMAP_TYPE_SHIFT 62 65df03ef93SHarish Kasiviswanathan #define KFD_MMAP_TYPE_MASK (0x3ULL << KFD_MMAP_TYPE_SHIFT) 66df03ef93SHarish Kasiviswanathan #define KFD_MMAP_TYPE_DOORBELL (0x3ULL << KFD_MMAP_TYPE_SHIFT) 67df03ef93SHarish Kasiviswanathan #define KFD_MMAP_TYPE_EVENTS (0x2ULL << KFD_MMAP_TYPE_SHIFT) 68df03ef93SHarish Kasiviswanathan #define KFD_MMAP_TYPE_RESERVED_MEM (0x1ULL << KFD_MMAP_TYPE_SHIFT) 69d33ea570SOak Zeng #define KFD_MMAP_TYPE_MMIO (0x0ULL << KFD_MMAP_TYPE_SHIFT) 70df03ef93SHarish Kasiviswanathan 7129453755SYong Zhao #define KFD_MMAP_GPU_ID_SHIFT 46 72df03ef93SHarish Kasiviswanathan #define KFD_MMAP_GPU_ID_MASK (((1ULL << KFD_GPU_ID_HASH_WIDTH) - 1) \ 73df03ef93SHarish Kasiviswanathan << KFD_MMAP_GPU_ID_SHIFT) 74df03ef93SHarish Kasiviswanathan #define KFD_MMAP_GPU_ID(gpu_id) ((((uint64_t)gpu_id) << KFD_MMAP_GPU_ID_SHIFT)\ 75df03ef93SHarish Kasiviswanathan & KFD_MMAP_GPU_ID_MASK) 7629453755SYong Zhao #define KFD_MMAP_GET_GPU_ID(offset) ((offset & KFD_MMAP_GPU_ID_MASK) \ 77df03ef93SHarish Kasiviswanathan >> KFD_MMAP_GPU_ID_SHIFT) 78df03ef93SHarish Kasiviswanathan 79ed6e6a34SBen Goz /* 80ed6e6a34SBen Goz * When working with cp scheduler we should assign the HIQ manually or via 81e7016d8eSYong Zhao * the amdgpu driver to a fixed hqd slot, here are the fixed HIQ hqd slot 82ed6e6a34SBen Goz * definitions for Kaveri. In Kaveri only the first ME queues participates 83ed6e6a34SBen Goz * in the cp scheduling taking that in mind we set the HIQ slot in the 84ed6e6a34SBen Goz * second ME. 85ed6e6a34SBen Goz */ 86ed6e6a34SBen Goz #define KFD_CIK_HIQ_PIPE 4 87ed6e6a34SBen Goz #define KFD_CIK_HIQ_QUEUE 0 88ed6e6a34SBen Goz 895b5c4e40SEvgeny Pinchuk /* Macro for allocating structures */ 905b5c4e40SEvgeny Pinchuk #define kfd_alloc_struct(ptr_to_struct) \ 915b5c4e40SEvgeny Pinchuk ((typeof(ptr_to_struct)) kzalloc(sizeof(*ptr_to_struct), GFP_KERNEL)) 925b5c4e40SEvgeny Pinchuk 9319f6d2a6SOded Gabbay #define KFD_MAX_NUM_OF_PROCESSES 512 94b8cbab04SOded Gabbay #define KFD_MAX_NUM_OF_QUEUES_PER_PROCESS 1024 9519f6d2a6SOded Gabbay 9619f6d2a6SOded Gabbay /* 97373d7080SFelix Kuehling * Size of the per-process TBA+TMA buffer: 2 pages 98373d7080SFelix Kuehling * 99373d7080SFelix Kuehling * The first page is the TBA used for the CWSR ISA code. The second 100373d7080SFelix Kuehling * page is used as TMA for daisy changing a user-mode trap handler. 101373d7080SFelix Kuehling */ 102373d7080SFelix Kuehling #define KFD_CWSR_TBA_TMA_SIZE (PAGE_SIZE * 2) 103373d7080SFelix Kuehling #define KFD_CWSR_TMA_OFFSET PAGE_SIZE 104373d7080SFelix Kuehling 10574523943SYong Zhao #define KFD_MAX_NUM_OF_QUEUES_PER_DEVICE \ 10674523943SYong Zhao (KFD_MAX_NUM_OF_PROCESSES * \ 10774523943SYong Zhao KFD_MAX_NUM_OF_QUEUES_PER_PROCESS) 10874523943SYong Zhao 10974523943SYong Zhao #define KFD_KERNEL_QUEUE_SIZE 2048 11074523943SYong Zhao 11114328aa5SPhilip Cox #define KFD_UNMAP_LATENCY_MS (4000) 11214328aa5SPhilip Cox 113373d7080SFelix Kuehling /* 1141f86805aSYong Zhao * 512 = 0x200 1151f86805aSYong Zhao * The doorbell index distance between SDMA RLC (2*i) and (2*i+1) in the 1161f86805aSYong Zhao * same SDMA engine on SOC15, which has 8-byte doorbells for SDMA. 1171f86805aSYong Zhao * 512 8-byte doorbell distance (i.e. one page away) ensures that SDMA RLC 1181f86805aSYong Zhao * (2*i+1) doorbells (in terms of the lower 12 bit address) lie exactly in 1191f86805aSYong Zhao * the OFFSET and SIZE set in registers like BIF_SDMA0_DOORBELL_RANGE. 1201f86805aSYong Zhao */ 1211f86805aSYong Zhao #define KFD_QUEUE_DOORBELL_MIRROR_OFFSET 512 1221f86805aSYong Zhao 1231f86805aSYong Zhao 1241f86805aSYong Zhao /* 125b8cbab04SOded Gabbay * Kernel module parameter to specify maximum number of supported queues per 126b8cbab04SOded Gabbay * device 12719f6d2a6SOded Gabbay */ 128b8cbab04SOded Gabbay extern int max_num_of_queues_per_device; 12919f6d2a6SOded Gabbay 130ed6e6a34SBen Goz 13131c21fecSBen Goz /* Kernel module parameter to specify the scheduling policy */ 13231c21fecSBen Goz extern int sched_policy; 13331c21fecSBen Goz 134a99c6d4fSFelix Kuehling /* 135a99c6d4fSFelix Kuehling * Kernel module parameter to specify the maximum process 136a99c6d4fSFelix Kuehling * number per HW scheduler 137a99c6d4fSFelix Kuehling */ 138a99c6d4fSFelix Kuehling extern int hws_max_conc_proc; 139a99c6d4fSFelix Kuehling 140373d7080SFelix Kuehling extern int cwsr_enable; 141373d7080SFelix Kuehling 14281663016SOded Gabbay /* 14381663016SOded Gabbay * Kernel module parameter to specify whether to send sigterm to HSA process on 14481663016SOded Gabbay * unhandled exception 14581663016SOded Gabbay */ 14681663016SOded Gabbay extern int send_sigterm; 14781663016SOded Gabbay 148ebcfd1e2SFelix Kuehling /* 149374200b1SFelix Kuehling * This kernel module is used to simulate large bar machine on non-large bar 150374200b1SFelix Kuehling * enabled machines. 151374200b1SFelix Kuehling */ 152374200b1SFelix Kuehling extern int debug_largebar; 153374200b1SFelix Kuehling 154374200b1SFelix Kuehling /* 155ebcfd1e2SFelix Kuehling * Ignore CRAT table during KFD initialization, can be used to work around 156ebcfd1e2SFelix Kuehling * broken CRAT tables on some AMD systems 157ebcfd1e2SFelix Kuehling */ 158ebcfd1e2SFelix Kuehling extern int ignore_crat; 159ebcfd1e2SFelix Kuehling 160bed4f110SFelix Kuehling /* 161bed4f110SFelix Kuehling * Set sh_mem_config.retry_disable on Vega10 162bed4f110SFelix Kuehling */ 16375ee6487SFelix Kuehling extern int amdgpu_noretry; 164bed4f110SFelix Kuehling 1650e9a860cSYong Zhao /* 1660e9a860cSYong Zhao * Halt if HWS hang is detected 1670e9a860cSYong Zhao */ 1680e9a860cSYong Zhao extern int halt_if_hws_hang; 1690e9a860cSYong Zhao 17029e76462SOak Zeng /* 17129e76462SOak Zeng * Whether MEC FW support GWS barriers 17229e76462SOak Zeng */ 17329e76462SOak Zeng extern bool hws_gws_support; 17429e76462SOak Zeng 17514328aa5SPhilip Cox /* 17614328aa5SPhilip Cox * Queue preemption timeout in ms 17714328aa5SPhilip Cox */ 17814328aa5SPhilip Cox extern int queue_preemption_timeout_ms; 17914328aa5SPhilip Cox 180ed6e6a34SBen Goz enum cache_policy { 181ed6e6a34SBen Goz cache_policy_coherent, 182ed6e6a34SBen Goz cache_policy_noncoherent 183ed6e6a34SBen Goz }; 184ed6e6a34SBen Goz 185ef568db7SFelix Kuehling #define KFD_IS_SOC15(chip) ((chip) >= CHIP_VEGA10) 186ef568db7SFelix Kuehling 187f3a39818SAndrew Lewycky struct kfd_event_interrupt_class { 188f3a39818SAndrew Lewycky bool (*interrupt_isr)(struct kfd_dev *dev, 18958e69886SLan Xiao const uint32_t *ih_ring_entry, uint32_t *patched_ihre, 19058e69886SLan Xiao bool *patched_flag); 191f3a39818SAndrew Lewycky void (*interrupt_wq)(struct kfd_dev *dev, 192f3a39818SAndrew Lewycky const uint32_t *ih_ring_entry); 193f3a39818SAndrew Lewycky }; 194f3a39818SAndrew Lewycky 1954a488a7aSOded Gabbay struct kfd_device_info { 196e596b903SYong Zhao enum amd_asic_type asic_family; 197c181159aSYong Zhao const char *asic_name; 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; 2323a0c3423SHarish Kasiviswanathan struct drm_device *ddev; 2334a488a7aSOded Gabbay 2344a488a7aSOded Gabbay unsigned int id; /* topology stub index */ 2354a488a7aSOded Gabbay 23619f6d2a6SOded Gabbay phys_addr_t doorbell_base; /* Start of actual doorbells used by 23719f6d2a6SOded Gabbay * KFD. It is aligned for mapping 23819f6d2a6SOded Gabbay * into user mode 23919f6d2a6SOded Gabbay */ 240339903faSYong Zhao size_t doorbell_base_dw_offset; /* Offset from the start of the PCI 241339903faSYong Zhao * doorbell BAR to the first KFD 242339903faSYong Zhao * doorbell in dwords. GFX reserves 243339903faSYong Zhao * the segment before this offset. 24419f6d2a6SOded Gabbay */ 24519f6d2a6SOded Gabbay u32 __iomem *doorbell_kernel_ptr; /* This is a pointer for a doorbells 24619f6d2a6SOded Gabbay * page used by kernel queue 24719f6d2a6SOded Gabbay */ 24819f6d2a6SOded Gabbay 2494a488a7aSOded Gabbay struct kgd2kfd_shared_resources shared_resources; 25044008d7aSYong Zhao struct kfd_vmid_info vm_info; 2514a488a7aSOded Gabbay 252cea405b1SXihan Zhang const struct kfd2kgd_calls *kfd2kgd; 253cea405b1SXihan Zhang struct mutex doorbell_mutex; 254f761d8bdSJoe Perches DECLARE_BITMAP(doorbell_available_index, 255f761d8bdSJoe Perches KFD_MAX_NUM_OF_QUEUES_PER_PROCESS); 256cea405b1SXihan Zhang 25736b5c08fSOded Gabbay void *gtt_mem; 25836b5c08fSOded Gabbay uint64_t gtt_start_gpu_addr; 25936b5c08fSOded Gabbay void *gtt_start_cpu_ptr; 26036b5c08fSOded Gabbay void *gtt_sa_bitmap; 26136b5c08fSOded Gabbay struct mutex gtt_sa_lock; 26236b5c08fSOded Gabbay unsigned int gtt_sa_chunk_size; 26336b5c08fSOded Gabbay unsigned int gtt_sa_num_of_chunks; 26436b5c08fSOded Gabbay 2652249d558SAndrew Lewycky /* Interrupts */ 26604ad47bdSAndres Rodriguez struct kfifo ih_fifo; 26748e876a2SAndres Rodriguez struct workqueue_struct *ih_wq; 2682249d558SAndrew Lewycky struct work_struct interrupt_work; 2692249d558SAndrew Lewycky spinlock_t interrupt_lock; 2702249d558SAndrew Lewycky 271ed6e6a34SBen Goz /* QCM Device instance */ 272ed6e6a34SBen Goz struct device_queue_manager *dqm; 2734a488a7aSOded Gabbay 274ed6e6a34SBen Goz bool init_complete; 2752249d558SAndrew Lewycky /* 2762249d558SAndrew Lewycky * Interrupts of interest to KFD are copied 2772249d558SAndrew Lewycky * from the HW ring into a SW ring. 2782249d558SAndrew Lewycky */ 2792249d558SAndrew Lewycky bool interrupts_active; 280fbeb661bSYair Shachar 281fbeb661bSYair Shachar /* Debug manager */ 282fbeb661bSYair Shachar struct kfd_dbgmgr *dbgmgr; 283373d7080SFelix Kuehling 2845ade6c9cSFelix Kuehling /* Firmware versions */ 2855ade6c9cSFelix Kuehling uint16_t mec_fw_version; 28629633d0eSJoseph Greathouse uint16_t mec2_fw_version; 2875ade6c9cSFelix Kuehling uint16_t sdma_fw_version; 2885ade6c9cSFelix Kuehling 289a99c6d4fSFelix Kuehling /* Maximum process number mapped to HW scheduler */ 290a99c6d4fSFelix Kuehling unsigned int max_proc_per_quantum; 291a99c6d4fSFelix Kuehling 292373d7080SFelix Kuehling /* CWSR */ 293373d7080SFelix Kuehling bool cwsr_enabled; 294373d7080SFelix Kuehling const void *cwsr_isa; 295373d7080SFelix Kuehling unsigned int cwsr_isa_size; 2960c1690e3SShaoyun Liu 2970c1690e3SShaoyun Liu /* xGMI */ 2980c1690e3SShaoyun Liu uint64_t hive_id; 2990c663695SDivya Shikre 3000c663695SDivya Shikre /* UUID */ 3010c663695SDivya Shikre uint64_t unique_id; 302d35f00d8SEric Huang 303d35f00d8SEric Huang bool pci_atomic_requested; 3049b54d201SEric Huang 3059b54d201SEric Huang /* SRAM ECC flag */ 3069b54d201SEric Huang atomic_t sram_ecc_flag; 307f756e631SHarish Kasiviswanathan 308f756e631SHarish Kasiviswanathan /* Compute Profile ref. count */ 309f756e631SHarish Kasiviswanathan atomic_t compute_profile; 310e09d4fc8SOak Zeng 311e09d4fc8SOak Zeng /* Global GWS resource shared b/t processes*/ 312e09d4fc8SOak Zeng void *gws; 3134a488a7aSOded Gabbay }; 3144a488a7aSOded Gabbay 31519f6d2a6SOded Gabbay enum kfd_mempool { 31619f6d2a6SOded Gabbay KFD_MEMPOOL_SYSTEM_CACHEABLE = 1, 31719f6d2a6SOded Gabbay KFD_MEMPOOL_SYSTEM_WRITECOMBINE = 2, 31819f6d2a6SOded Gabbay KFD_MEMPOOL_FRAMEBUFFER = 3, 31919f6d2a6SOded Gabbay }; 32019f6d2a6SOded Gabbay 3214a488a7aSOded Gabbay /* Character device interface */ 3224a488a7aSOded Gabbay int kfd_chardev_init(void); 3234a488a7aSOded Gabbay void kfd_chardev_exit(void); 3244a488a7aSOded Gabbay struct device *kfd_chardev(void); 3254a488a7aSOded Gabbay 326241f24f8SBen Goz /** 3277da2bcf8SYong Zhao * enum kfd_unmap_queues_filter 328241f24f8SBen Goz * 3297da2bcf8SYong Zhao * @KFD_UNMAP_QUEUES_FILTER_SINGLE_QUEUE: Preempts single queue. 330241f24f8SBen Goz * 3317da2bcf8SYong Zhao * @KFD_UNMAP_QUEUES_FILTER_ALL_QUEUES: Preempts all queues in the 332241f24f8SBen Goz * running queues list. 333241f24f8SBen Goz * 3347da2bcf8SYong Zhao * @KFD_UNMAP_QUEUES_FILTER_BY_PASID: Preempts queues that belongs to 335241f24f8SBen Goz * specific process. 336241f24f8SBen Goz * 337241f24f8SBen Goz */ 3387da2bcf8SYong Zhao enum kfd_unmap_queues_filter { 3397da2bcf8SYong Zhao KFD_UNMAP_QUEUES_FILTER_SINGLE_QUEUE, 3407da2bcf8SYong Zhao KFD_UNMAP_QUEUES_FILTER_ALL_QUEUES, 3417da2bcf8SYong Zhao KFD_UNMAP_QUEUES_FILTER_DYNAMIC_QUEUES, 3427da2bcf8SYong Zhao KFD_UNMAP_QUEUES_FILTER_BY_PASID 343241f24f8SBen Goz }; 34419f6d2a6SOded Gabbay 345ed8aab45SBen Goz /** 346ed8aab45SBen Goz * enum kfd_queue_type 347ed8aab45SBen Goz * 348ed8aab45SBen Goz * @KFD_QUEUE_TYPE_COMPUTE: Regular user mode queue type. 349ed8aab45SBen Goz * 350ed8aab45SBen Goz * @KFD_QUEUE_TYPE_SDMA: Sdma user mode queue type. 351ed8aab45SBen Goz * 352ed8aab45SBen Goz * @KFD_QUEUE_TYPE_HIQ: HIQ queue type. 353ed8aab45SBen Goz * 354ed8aab45SBen Goz * @KFD_QUEUE_TYPE_DIQ: DIQ queue type. 355ed8aab45SBen Goz */ 356ed8aab45SBen Goz enum kfd_queue_type { 357ed8aab45SBen Goz KFD_QUEUE_TYPE_COMPUTE, 358ed8aab45SBen Goz KFD_QUEUE_TYPE_SDMA, 359ed8aab45SBen Goz KFD_QUEUE_TYPE_HIQ, 3601b4670f6SOak Zeng KFD_QUEUE_TYPE_DIQ, 3611b4670f6SOak Zeng KFD_QUEUE_TYPE_SDMA_XGMI 362ed8aab45SBen Goz }; 363ed8aab45SBen Goz 3646e99df57SBen Goz enum kfd_queue_format { 3656e99df57SBen Goz KFD_QUEUE_FORMAT_PM4, 3666e99df57SBen Goz KFD_QUEUE_FORMAT_AQL 3676e99df57SBen Goz }; 3686e99df57SBen Goz 3690ccbc7cdSOak Zeng enum KFD_QUEUE_PRIORITY { 3700ccbc7cdSOak Zeng KFD_QUEUE_PRIORITY_MINIMUM = 0, 3710ccbc7cdSOak Zeng KFD_QUEUE_PRIORITY_MAXIMUM = 15 3720ccbc7cdSOak Zeng }; 3730ccbc7cdSOak Zeng 374ed8aab45SBen Goz /** 375ed8aab45SBen Goz * struct queue_properties 376ed8aab45SBen Goz * 377ed8aab45SBen Goz * @type: The queue type. 378ed8aab45SBen Goz * 379ed8aab45SBen Goz * @queue_id: Queue identifier. 380ed8aab45SBen Goz * 381ed8aab45SBen Goz * @queue_address: Queue ring buffer address. 382ed8aab45SBen Goz * 383ed8aab45SBen Goz * @queue_size: Queue ring buffer size. 384ed8aab45SBen Goz * 385ed8aab45SBen Goz * @priority: Defines the queue priority relative to other queues in the 386ed8aab45SBen Goz * process. 387ed8aab45SBen Goz * This is just an indication and HW scheduling may override the priority as 388ed8aab45SBen Goz * necessary while keeping the relative prioritization. 389ed8aab45SBen Goz * the priority granularity is from 0 to f which f is the highest priority. 390ed8aab45SBen Goz * currently all queues are initialized with the highest priority. 391ed8aab45SBen Goz * 392ed8aab45SBen Goz * @queue_percent: This field is partially implemented and currently a zero in 393ed8aab45SBen Goz * this field defines that the queue is non active. 394ed8aab45SBen Goz * 395ed8aab45SBen Goz * @read_ptr: User space address which points to the number of dwords the 396ed8aab45SBen Goz * cp read from the ring buffer. This field updates automatically by the H/W. 397ed8aab45SBen Goz * 398ed8aab45SBen Goz * @write_ptr: Defines the number of dwords written to the ring buffer. 399ed8aab45SBen Goz * 400ed8aab45SBen Goz * @doorbell_ptr: This field aim is to notify the H/W of new packet written to 4018eabaf54SKent Russell * the queue ring buffer. This field should be similar to write_ptr and the 4028eabaf54SKent Russell * user should update this field after he updated the write_ptr. 403ed8aab45SBen Goz * 404ed8aab45SBen Goz * @doorbell_off: The doorbell offset in the doorbell pci-bar. 405ed8aab45SBen Goz * 4068eabaf54SKent Russell * @is_interop: Defines if this is a interop queue. Interop queue means that 4078eabaf54SKent Russell * the queue can access both graphics and compute resources. 408ed8aab45SBen Goz * 40926103436SFelix Kuehling * @is_evicted: Defines if the queue is evicted. Only active queues 41026103436SFelix Kuehling * are evicted, rendering them inactive. 41126103436SFelix Kuehling * 41226103436SFelix Kuehling * @is_active: Defines if the queue is active or not. @is_active and 41326103436SFelix Kuehling * @is_evicted are protected by the DQM lock. 414ed8aab45SBen Goz * 415b8020b03SJoseph Greathouse * @is_gws: Defines if the queue has been updated to be GWS-capable or not. 416b8020b03SJoseph Greathouse * @is_gws should be protected by the DQM lock, since changing it can yield the 417b8020b03SJoseph Greathouse * possibility of updating DQM state on number of GWS queues. 418b8020b03SJoseph Greathouse * 419ed8aab45SBen Goz * @vmid: If the scheduling mode is no cp scheduling the field defines the vmid 420ed8aab45SBen Goz * of the queue. 421ed8aab45SBen Goz * 422ed8aab45SBen Goz * This structure represents the queue properties for each queue no matter if 423ed8aab45SBen Goz * it's user mode or kernel mode queue. 424ed8aab45SBen Goz * 425ed8aab45SBen Goz */ 426ed8aab45SBen Goz struct queue_properties { 427ed8aab45SBen Goz enum kfd_queue_type type; 4286e99df57SBen Goz enum kfd_queue_format format; 429ed8aab45SBen Goz unsigned int queue_id; 430ed8aab45SBen Goz uint64_t queue_address; 431ed8aab45SBen Goz uint64_t queue_size; 432ed8aab45SBen Goz uint32_t priority; 433ed8aab45SBen Goz uint32_t queue_percent; 434ed8aab45SBen Goz uint32_t *read_ptr; 435ed8aab45SBen Goz uint32_t *write_ptr; 436ada2b29cSFelix Kuehling void __iomem *doorbell_ptr; 437ed8aab45SBen Goz uint32_t doorbell_off; 438ed8aab45SBen Goz bool is_interop; 43926103436SFelix Kuehling bool is_evicted; 440ed8aab45SBen Goz bool is_active; 441b8020b03SJoseph Greathouse bool is_gws; 442ed8aab45SBen Goz /* Not relevant for user mode queues in cp scheduling */ 443ed8aab45SBen Goz unsigned int vmid; 44477669eb8SBen Goz /* Relevant only for sdma queues*/ 44577669eb8SBen Goz uint32_t sdma_engine_id; 44677669eb8SBen Goz uint32_t sdma_queue_id; 44777669eb8SBen Goz uint32_t sdma_vm_addr; 448ff3d04a1SBen Goz /* Relevant only for VI */ 449ff3d04a1SBen Goz uint64_t eop_ring_buffer_address; 450ff3d04a1SBen Goz uint32_t eop_ring_buffer_size; 451ff3d04a1SBen Goz uint64_t ctx_save_restore_area_address; 452ff3d04a1SBen Goz uint32_t ctx_save_restore_area_size; 453373d7080SFelix Kuehling uint32_t ctl_stack_size; 454373d7080SFelix Kuehling uint64_t tba_addr; 455373d7080SFelix Kuehling uint64_t tma_addr; 45639e7f331SFelix Kuehling /* Relevant for CU */ 45739e7f331SFelix Kuehling uint32_t cu_mask_count; /* Must be a multiple of 32 */ 45839e7f331SFelix Kuehling uint32_t *cu_mask; 459ed8aab45SBen Goz }; 460ed8aab45SBen Goz 461bb2d2128SFelix Kuehling #define QUEUE_IS_ACTIVE(q) ((q).queue_size > 0 && \ 462bb2d2128SFelix Kuehling (q).queue_address != 0 && \ 463bb2d2128SFelix Kuehling (q).queue_percent > 0 && \ 464bb2d2128SFelix Kuehling !(q).is_evicted) 465bb2d2128SFelix Kuehling 466ed8aab45SBen Goz /** 467ed8aab45SBen Goz * struct queue 468ed8aab45SBen Goz * 469ed8aab45SBen Goz * @list: Queue linked list. 470ed8aab45SBen Goz * 471ed8aab45SBen Goz * @mqd: The queue MQD. 472ed8aab45SBen Goz * 473ed8aab45SBen Goz * @mqd_mem_obj: The MQD local gpu memory object. 474ed8aab45SBen Goz * 475ed8aab45SBen Goz * @gart_mqd_addr: The MQD gart mc address. 476ed8aab45SBen Goz * 477ed8aab45SBen Goz * @properties: The queue properties. 478ed8aab45SBen Goz * 479ed8aab45SBen Goz * @mec: Used only in no cp scheduling mode and identifies to micro engine id 480ed8aab45SBen Goz * that the queue should be execute on. 481ed8aab45SBen Goz * 4828eabaf54SKent Russell * @pipe: Used only in no cp scheduling mode and identifies the queue's pipe 4838eabaf54SKent Russell * id. 484ed8aab45SBen Goz * 485ed8aab45SBen Goz * @queue: Used only in no cp scheduliong mode and identifies the queue's slot. 486ed8aab45SBen Goz * 487ed8aab45SBen Goz * @process: The kfd process that created this queue. 488ed8aab45SBen Goz * 489ed8aab45SBen Goz * @device: The kfd device that created this queue. 490ed8aab45SBen Goz * 491eb82da1dSOak Zeng * @gws: Pointing to gws kgd_mem if this is a gws control queue; NULL 492eb82da1dSOak Zeng * otherwise. 493eb82da1dSOak Zeng * 494ed8aab45SBen Goz * This structure represents user mode compute queues. 495ed8aab45SBen Goz * It contains all the necessary data to handle such queues. 496ed8aab45SBen Goz * 497ed8aab45SBen Goz */ 498ed8aab45SBen Goz 499ed8aab45SBen Goz struct queue { 500ed8aab45SBen Goz struct list_head list; 501ed8aab45SBen Goz void *mqd; 502ed8aab45SBen Goz struct kfd_mem_obj *mqd_mem_obj; 503ed8aab45SBen Goz uint64_t gart_mqd_addr; 504ed8aab45SBen Goz struct queue_properties properties; 505ed8aab45SBen Goz 506ed8aab45SBen Goz uint32_t mec; 507ed8aab45SBen Goz uint32_t pipe; 508ed8aab45SBen Goz uint32_t queue; 509ed8aab45SBen Goz 51077669eb8SBen Goz unsigned int sdma_id; 511ef568db7SFelix Kuehling unsigned int doorbell_id; 51277669eb8SBen Goz 513ed8aab45SBen Goz struct kfd_process *process; 514ed8aab45SBen Goz struct kfd_dev *device; 515eb82da1dSOak Zeng void *gws; 5166d220a7eSAmber Lin 5176d220a7eSAmber Lin /* procfs */ 5186d220a7eSAmber Lin struct kobject kobj; 519ed8aab45SBen Goz }; 520ed8aab45SBen Goz 5216e99df57SBen Goz /* 5226e99df57SBen Goz * Please read the kfd_mqd_manager.h description. 5236e99df57SBen Goz */ 5246e99df57SBen Goz enum KFD_MQD_TYPE { 525d7c0b047SYong Zhao KFD_MQD_TYPE_HIQ = 0, /* for hiq */ 52685d258f9SBen Goz KFD_MQD_TYPE_CP, /* for cp queues and diq */ 52785d258f9SBen Goz KFD_MQD_TYPE_SDMA, /* for sdma queues */ 52859f650a0SOak Zeng KFD_MQD_TYPE_DIQ, /* for diq */ 5296e99df57SBen Goz KFD_MQD_TYPE_MAX 5306e99df57SBen Goz }; 5316e99df57SBen Goz 5320ccbc7cdSOak Zeng enum KFD_PIPE_PRIORITY { 5330ccbc7cdSOak Zeng KFD_PIPE_PRIORITY_CS_LOW = 0, 5340ccbc7cdSOak Zeng KFD_PIPE_PRIORITY_CS_MEDIUM, 5350ccbc7cdSOak Zeng KFD_PIPE_PRIORITY_CS_HIGH 5360ccbc7cdSOak Zeng }; 5370ccbc7cdSOak Zeng 538241f24f8SBen Goz struct scheduling_resources { 539241f24f8SBen Goz unsigned int vmid_mask; 540241f24f8SBen Goz enum kfd_queue_type type; 541241f24f8SBen Goz uint64_t queue_mask; 542241f24f8SBen Goz uint64_t gws_mask; 543241f24f8SBen Goz uint32_t oac_mask; 544241f24f8SBen Goz uint32_t gds_heap_base; 545241f24f8SBen Goz uint32_t gds_heap_size; 546241f24f8SBen Goz }; 547241f24f8SBen Goz 548241f24f8SBen Goz struct process_queue_manager { 549241f24f8SBen Goz /* data */ 550241f24f8SBen Goz struct kfd_process *process; 551241f24f8SBen Goz struct list_head queues; 552241f24f8SBen Goz unsigned long *queue_slot_bitmap; 553241f24f8SBen Goz }; 554241f24f8SBen Goz 555241f24f8SBen Goz struct qcm_process_device { 556241f24f8SBen Goz /* The Device Queue Manager that owns this data */ 557241f24f8SBen Goz struct device_queue_manager *dqm; 558241f24f8SBen Goz struct process_queue_manager *pqm; 559241f24f8SBen Goz /* Queues list */ 560241f24f8SBen Goz struct list_head queues_list; 561241f24f8SBen Goz struct list_head priv_queue_list; 562241f24f8SBen Goz 563241f24f8SBen Goz unsigned int queue_count; 564241f24f8SBen Goz unsigned int vmid; 565241f24f8SBen Goz bool is_debug; 56626103436SFelix Kuehling unsigned int evicted; /* eviction counter, 0=active */ 5679fd3f1bfSFelix Kuehling 5689fd3f1bfSFelix Kuehling /* This flag tells if we should reset all wavefronts on 5699fd3f1bfSFelix Kuehling * process termination 5709fd3f1bfSFelix Kuehling */ 5719fd3f1bfSFelix Kuehling bool reset_wavefronts; 5729fd3f1bfSFelix Kuehling 573b8020b03SJoseph Greathouse /* This flag tells us if this process has a GWS-capable 574b8020b03SJoseph Greathouse * queue that will be mapped into the runlist. It's 575b8020b03SJoseph Greathouse * possible to request a GWS BO, but not have the queue 576b8020b03SJoseph Greathouse * currently mapped, and this changes how the MAP_PROCESS 577b8020b03SJoseph Greathouse * PM4 packet is configured. 578b8020b03SJoseph Greathouse */ 579b8020b03SJoseph Greathouse bool mapped_gws_queue; 580b8020b03SJoseph Greathouse 581241f24f8SBen Goz /* 582241f24f8SBen Goz * All the memory management data should be here too 583241f24f8SBen Goz */ 584241f24f8SBen Goz uint64_t gds_context_area; 585435e2f97SYong Zhao /* Contains page table flags such as AMDGPU_PTE_VALID since gfx9 */ 586e715c6d0SShaoyun Liu uint64_t page_table_base; 587241f24f8SBen Goz uint32_t sh_mem_config; 588241f24f8SBen Goz uint32_t sh_mem_bases; 589241f24f8SBen Goz uint32_t sh_mem_ape1_base; 590241f24f8SBen Goz uint32_t sh_mem_ape1_limit; 591241f24f8SBen Goz uint32_t gds_size; 592241f24f8SBen Goz uint32_t num_gws; 593241f24f8SBen Goz uint32_t num_oac; 5946a1c9510SMoses Reuben uint32_t sh_hidden_private_base; 595373d7080SFelix Kuehling 596373d7080SFelix Kuehling /* CWSR memory */ 597373d7080SFelix Kuehling void *cwsr_kaddr; 598d01994c2SFelix Kuehling uint64_t cwsr_base; 599373d7080SFelix Kuehling uint64_t tba_addr; 600373d7080SFelix Kuehling uint64_t tma_addr; 601d01994c2SFelix Kuehling 602d01994c2SFelix Kuehling /* IB memory */ 603d01994c2SFelix Kuehling uint64_t ib_base; 604552764b6SFelix Kuehling void *ib_kaddr; 605ef568db7SFelix Kuehling 606ef568db7SFelix Kuehling /* doorbell resources per process per device */ 607ef568db7SFelix Kuehling unsigned long *doorbell_bitmap; 608241f24f8SBen Goz }; 609241f24f8SBen Goz 61026103436SFelix Kuehling /* KFD Memory Eviction */ 61126103436SFelix Kuehling 61226103436SFelix Kuehling /* Approx. wait time before attempting to restore evicted BOs */ 61326103436SFelix Kuehling #define PROCESS_RESTORE_TIME_MS 100 61426103436SFelix Kuehling /* Approx. back off time if restore fails due to lack of memory */ 61526103436SFelix Kuehling #define PROCESS_BACK_OFF_TIME_MS 100 61626103436SFelix Kuehling /* Approx. time before evicting the process again */ 61726103436SFelix Kuehling #define PROCESS_ACTIVE_TIME_MS 10 61826103436SFelix Kuehling 6195ec7e028SFelix Kuehling /* 8 byte handle containing GPU ID in the most significant 4 bytes and 6205ec7e028SFelix Kuehling * idr_handle in the least significant 4 bytes 6215ec7e028SFelix Kuehling */ 6225ec7e028SFelix Kuehling #define MAKE_HANDLE(gpu_id, idr_handle) \ 6235ec7e028SFelix Kuehling (((uint64_t)(gpu_id) << 32) + idr_handle) 6245ec7e028SFelix Kuehling #define GET_GPU_ID(handle) (handle >> 32) 6255ec7e028SFelix Kuehling #define GET_IDR_HANDLE(handle) (handle & 0xFFFFFFFF) 6265ec7e028SFelix Kuehling 627733fa1f7SYong Zhao enum kfd_pdd_bound { 628733fa1f7SYong Zhao PDD_UNBOUND = 0, 629733fa1f7SYong Zhao PDD_BOUND, 630733fa1f7SYong Zhao PDD_BOUND_SUSPENDED, 631733fa1f7SYong Zhao }; 632733fa1f7SYong Zhao 633d4566deeSMukul Joshi #define MAX_VRAM_FILENAME_LEN 11 634d4566deeSMukul Joshi 63519f6d2a6SOded Gabbay /* Data that is per-process-per device. */ 63619f6d2a6SOded Gabbay struct kfd_process_device { 63719f6d2a6SOded Gabbay /* 63819f6d2a6SOded Gabbay * List of all per-device data for a process. 63919f6d2a6SOded Gabbay * Starts from kfd_process.per_device_data. 64019f6d2a6SOded Gabbay */ 64119f6d2a6SOded Gabbay struct list_head per_device_list; 64219f6d2a6SOded Gabbay 64319f6d2a6SOded Gabbay /* The device that owns this data. */ 64419f6d2a6SOded Gabbay struct kfd_dev *dev; 64519f6d2a6SOded Gabbay 6469fd3f1bfSFelix Kuehling /* The process that owns this kfd_process_device. */ 6479fd3f1bfSFelix Kuehling struct kfd_process *process; 64819f6d2a6SOded Gabbay 64945102048SBen Goz /* per-process-per device QCM data structure */ 65045102048SBen Goz struct qcm_process_device qpd; 65145102048SBen Goz 65219f6d2a6SOded Gabbay /*Apertures*/ 65319f6d2a6SOded Gabbay uint64_t lds_base; 65419f6d2a6SOded Gabbay uint64_t lds_limit; 65519f6d2a6SOded Gabbay uint64_t gpuvm_base; 65619f6d2a6SOded Gabbay uint64_t gpuvm_limit; 65719f6d2a6SOded Gabbay uint64_t scratch_base; 65819f6d2a6SOded Gabbay uint64_t scratch_limit; 65919f6d2a6SOded Gabbay 660403575c4SFelix Kuehling /* VM context for GPUVM allocations */ 661b84394e2SFelix Kuehling struct file *drm_file; 662403575c4SFelix Kuehling void *vm; 663403575c4SFelix Kuehling 66452b29d73SFelix Kuehling /* GPUVM allocations storage */ 66552b29d73SFelix Kuehling struct idr alloc_idr; 66652b29d73SFelix Kuehling 6679fd3f1bfSFelix Kuehling /* Flag used to tell the pdd has dequeued from the dqm. 6689fd3f1bfSFelix Kuehling * This is used to prevent dev->dqm->ops.process_termination() from 6699fd3f1bfSFelix Kuehling * being called twice when it is already called in IOMMU callback 6709fd3f1bfSFelix Kuehling * function. 671a82918f1SBen Goz */ 6729fd3f1bfSFelix Kuehling bool already_dequeued; 6739593f4d6SRajneesh Bhardwaj bool runtime_inuse; 67464d1c3a4SFelix Kuehling 67564d1c3a4SFelix Kuehling /* Is this process/pasid bound to this device? (amd_iommu_bind_pasid) */ 67664d1c3a4SFelix Kuehling enum kfd_pdd_bound bound; 677d4566deeSMukul Joshi 678d4566deeSMukul Joshi /* VRAM usage */ 679d4566deeSMukul Joshi uint64_t vram_usage; 680d4566deeSMukul Joshi struct attribute attr_vram; 681d4566deeSMukul Joshi char vram_filename[MAX_VRAM_FILENAME_LEN]; 68219f6d2a6SOded Gabbay }; 68319f6d2a6SOded Gabbay 68452a5fdceSAlexey Skidanov #define qpd_to_pdd(x) container_of(x, struct kfd_process_device, qpd) 68552a5fdceSAlexey Skidanov 6864a488a7aSOded Gabbay /* Process data */ 6874a488a7aSOded Gabbay struct kfd_process { 68819f6d2a6SOded Gabbay /* 68919f6d2a6SOded Gabbay * kfd_process are stored in an mm_struct*->kfd_process* 69019f6d2a6SOded Gabbay * hash table (kfd_processes in kfd_process.c) 69119f6d2a6SOded Gabbay */ 69219f6d2a6SOded Gabbay struct hlist_node kfd_processes; 69319f6d2a6SOded Gabbay 6949b56bb11SFelix Kuehling /* 6959b56bb11SFelix Kuehling * Opaque pointer to mm_struct. We don't hold a reference to 6969b56bb11SFelix Kuehling * it so it should never be dereferenced from here. This is 6979b56bb11SFelix Kuehling * only used for looking up processes by their mm. 6989b56bb11SFelix Kuehling */ 6999b56bb11SFelix Kuehling void *mm; 70019f6d2a6SOded Gabbay 7015ce10687SFelix Kuehling struct kref ref; 7025ce10687SFelix Kuehling struct work_struct release_work; 7035ce10687SFelix Kuehling 70419f6d2a6SOded Gabbay struct mutex mutex; 70519f6d2a6SOded Gabbay 70619f6d2a6SOded Gabbay /* 70719f6d2a6SOded Gabbay * In any process, the thread that started main() is the lead 70819f6d2a6SOded Gabbay * thread and outlives the rest. 70919f6d2a6SOded Gabbay * It is here because amd_iommu_bind_pasid wants a task_struct. 710894a8293SFelix Kuehling * It can also be used for safely getting a reference to the 711894a8293SFelix Kuehling * mm_struct of the process. 71219f6d2a6SOded Gabbay */ 71319f6d2a6SOded Gabbay struct task_struct *lead_thread; 71419f6d2a6SOded Gabbay 71519f6d2a6SOded Gabbay /* We want to receive a notification when the mm_struct is destroyed */ 71619f6d2a6SOded Gabbay struct mmu_notifier mmu_notifier; 71719f6d2a6SOded Gabbay 7186027b1bfSYong Zhao uint16_t pasid; 719a91e70e3SFelix Kuehling unsigned int doorbell_index; 72019f6d2a6SOded Gabbay 72119f6d2a6SOded Gabbay /* 72219f6d2a6SOded Gabbay * List of kfd_process_device structures, 72319f6d2a6SOded Gabbay * one for each device the process is using. 72419f6d2a6SOded Gabbay */ 72519f6d2a6SOded Gabbay struct list_head per_device_data; 72619f6d2a6SOded Gabbay 72745102048SBen Goz struct process_queue_manager pqm; 72845102048SBen Goz 72919f6d2a6SOded Gabbay /*Is the user space process 32 bit?*/ 73019f6d2a6SOded Gabbay bool is_32bit_user_mode; 731f3a39818SAndrew Lewycky 732f3a39818SAndrew Lewycky /* Event-related data */ 733f3a39818SAndrew Lewycky struct mutex event_mutex; 734482f0777SFelix Kuehling /* Event ID allocator and lookup */ 735482f0777SFelix Kuehling struct idr event_idr; 73650cb7dd9SFelix Kuehling /* Event page */ 73750cb7dd9SFelix Kuehling struct kfd_signal_page *signal_page; 738b9a5d0a5SFelix Kuehling size_t signal_mapped_size; 739f3a39818SAndrew Lewycky size_t signal_event_count; 740c986169fSFelix Kuehling bool signal_event_limit_reached; 741403575c4SFelix Kuehling 742403575c4SFelix Kuehling /* Information used for memory eviction */ 743403575c4SFelix Kuehling void *kgd_process_info; 744403575c4SFelix Kuehling /* Eviction fence that is attached to all the BOs of this process. The 745403575c4SFelix Kuehling * fence will be triggered during eviction and new one will be created 746403575c4SFelix Kuehling * during restore 747403575c4SFelix Kuehling */ 748403575c4SFelix Kuehling struct dma_fence *ef; 74926103436SFelix Kuehling 75026103436SFelix Kuehling /* Work items for evicting and restoring BOs */ 75126103436SFelix Kuehling struct delayed_work eviction_work; 75226103436SFelix Kuehling struct delayed_work restore_work; 75326103436SFelix Kuehling /* seqno of the last scheduled eviction */ 75426103436SFelix Kuehling unsigned int last_eviction_seqno; 75526103436SFelix Kuehling /* Approx. the last timestamp (in jiffies) when the process was 75626103436SFelix Kuehling * restored after an eviction 75726103436SFelix Kuehling */ 75826103436SFelix Kuehling unsigned long last_restore_timestamp; 759de9f26bbSKent Russell 760de9f26bbSKent Russell /* Kobj for our procfs */ 761de9f26bbSKent Russell struct kobject *kobj; 7626d220a7eSAmber Lin struct kobject *kobj_queues; 763de9f26bbSKent Russell struct attribute attr_pasid; 7644a488a7aSOded Gabbay }; 7654a488a7aSOded Gabbay 76664d1c3a4SFelix Kuehling #define KFD_PROCESS_TABLE_SIZE 5 /* bits: 32 entries */ 76764d1c3a4SFelix Kuehling extern DECLARE_HASHTABLE(kfd_processes_table, KFD_PROCESS_TABLE_SIZE); 76864d1c3a4SFelix Kuehling extern struct srcu_struct kfd_processes_srcu; 76964d1c3a4SFelix Kuehling 77076baee6cSOded Gabbay /** 77176baee6cSOded Gabbay * Ioctl function type. 77276baee6cSOded Gabbay * 77376baee6cSOded Gabbay * \param filep pointer to file structure. 77476baee6cSOded Gabbay * \param p amdkfd process pointer. 77576baee6cSOded Gabbay * \param data pointer to arg that was copied from user. 77676baee6cSOded Gabbay */ 77776baee6cSOded Gabbay typedef int amdkfd_ioctl_t(struct file *filep, struct kfd_process *p, 77876baee6cSOded Gabbay void *data); 77976baee6cSOded Gabbay 78076baee6cSOded Gabbay struct amdkfd_ioctl_desc { 78176baee6cSOded Gabbay unsigned int cmd; 78276baee6cSOded Gabbay int flags; 78376baee6cSOded Gabbay amdkfd_ioctl_t *func; 78476baee6cSOded Gabbay unsigned int cmd_drv; 78576baee6cSOded Gabbay const char *name; 78676baee6cSOded Gabbay }; 78767f7cf9fSshaoyunl bool kfd_dev_is_large_bar(struct kfd_dev *dev); 78876baee6cSOded Gabbay 7891679ae8fSFelix Kuehling int kfd_process_create_wq(void); 79019f6d2a6SOded Gabbay void kfd_process_destroy_wq(void); 791373d7080SFelix Kuehling struct kfd_process *kfd_create_process(struct file *filep); 79219f6d2a6SOded Gabbay struct kfd_process *kfd_get_process(const struct task_struct *); 793f3a39818SAndrew Lewycky struct kfd_process *kfd_lookup_process_by_pasid(unsigned int pasid); 79426103436SFelix Kuehling struct kfd_process *kfd_lookup_process_by_mm(const struct mm_struct *mm); 795abb208a8SFelix Kuehling void kfd_unref_process(struct kfd_process *p); 7966b95e797SFelix Kuehling int kfd_process_evict_queues(struct kfd_process *p); 7976b95e797SFelix Kuehling int kfd_process_restore_queues(struct kfd_process *p); 79826103436SFelix Kuehling void kfd_suspend_all_processes(void); 79926103436SFelix Kuehling int kfd_resume_all_processes(void); 80019f6d2a6SOded Gabbay 801b84394e2SFelix Kuehling int kfd_process_device_init_vm(struct kfd_process_device *pdd, 802b84394e2SFelix Kuehling struct file *drm_file); 80364c7f8cfSBen Goz struct kfd_process_device *kfd_bind_process_to_device(struct kfd_dev *dev, 80464c7f8cfSBen Goz struct kfd_process *p); 80519f6d2a6SOded Gabbay struct kfd_process_device *kfd_get_process_device_data(struct kfd_dev *dev, 806093c7d8cSAlexey Skidanov struct kfd_process *p); 807093c7d8cSAlexey Skidanov struct kfd_process_device *kfd_create_process_device_data(struct kfd_dev *dev, 808093c7d8cSAlexey Skidanov struct kfd_process *p); 80919f6d2a6SOded Gabbay 810df03ef93SHarish Kasiviswanathan int kfd_reserved_mem_mmap(struct kfd_dev *dev, struct kfd_process *process, 811373d7080SFelix Kuehling struct vm_area_struct *vma); 812373d7080SFelix Kuehling 81352b29d73SFelix Kuehling /* KFD process API for creating and translating handles */ 81452b29d73SFelix Kuehling int kfd_process_device_create_obj_handle(struct kfd_process_device *pdd, 81552b29d73SFelix Kuehling void *mem); 81652b29d73SFelix Kuehling void *kfd_process_device_translate_handle(struct kfd_process_device *p, 81752b29d73SFelix Kuehling int handle); 81852b29d73SFelix Kuehling void kfd_process_device_remove_obj_handle(struct kfd_process_device *pdd, 81952b29d73SFelix Kuehling int handle); 82052b29d73SFelix Kuehling 821775921edSAlexey Skidanov /* Process device data iterator */ 8228eabaf54SKent Russell struct kfd_process_device *kfd_get_first_process_device_data( 8238eabaf54SKent Russell struct kfd_process *p); 8248eabaf54SKent Russell struct kfd_process_device *kfd_get_next_process_device_data( 8258eabaf54SKent Russell struct kfd_process *p, 826775921edSAlexey Skidanov struct kfd_process_device *pdd); 827775921edSAlexey Skidanov bool kfd_has_process_device_data(struct kfd_process *p); 828775921edSAlexey Skidanov 82919f6d2a6SOded Gabbay /* PASIDs */ 83019f6d2a6SOded Gabbay int kfd_pasid_init(void); 83119f6d2a6SOded Gabbay void kfd_pasid_exit(void); 83219f6d2a6SOded Gabbay bool kfd_set_pasid_limit(unsigned int new_limit); 83319f6d2a6SOded Gabbay unsigned int kfd_get_pasid_limit(void); 83419f6d2a6SOded Gabbay unsigned int kfd_pasid_alloc(void); 83519f6d2a6SOded Gabbay void kfd_pasid_free(unsigned int pasid); 83619f6d2a6SOded Gabbay 83719f6d2a6SOded Gabbay /* Doorbells */ 838ef568db7SFelix Kuehling size_t kfd_doorbell_process_slice(struct kfd_dev *kfd); 839735df2baSFelix Kuehling int kfd_doorbell_init(struct kfd_dev *kfd); 840735df2baSFelix Kuehling void kfd_doorbell_fini(struct kfd_dev *kfd); 841df03ef93SHarish Kasiviswanathan int kfd_doorbell_mmap(struct kfd_dev *dev, struct kfd_process *process, 842df03ef93SHarish Kasiviswanathan struct vm_area_struct *vma); 843ada2b29cSFelix Kuehling void __iomem *kfd_get_kernel_doorbell(struct kfd_dev *kfd, 84419f6d2a6SOded Gabbay unsigned int *doorbell_off); 84519f6d2a6SOded Gabbay void kfd_release_kernel_doorbell(struct kfd_dev *kfd, u32 __iomem *db_addr); 84619f6d2a6SOded Gabbay u32 read_kernel_doorbell(u32 __iomem *db); 847ada2b29cSFelix Kuehling void write_kernel_doorbell(void __iomem *db, u32 value); 8489d7d0248SFelix Kuehling void write_kernel_doorbell64(void __iomem *db, u64 value); 849339903faSYong Zhao unsigned int kfd_get_doorbell_dw_offset_in_bar(struct kfd_dev *kfd, 85019f6d2a6SOded Gabbay struct kfd_process *process, 851ef568db7SFelix Kuehling unsigned int doorbell_id); 852a91e70e3SFelix Kuehling phys_addr_t kfd_get_process_doorbells(struct kfd_dev *dev, 853a91e70e3SFelix Kuehling struct kfd_process *process); 854a91e70e3SFelix Kuehling int kfd_alloc_process_doorbells(struct kfd_process *process); 855a91e70e3SFelix Kuehling void kfd_free_process_doorbells(struct kfd_process *process); 85619f6d2a6SOded Gabbay 8576e81090bSOded Gabbay /* GTT Sub-Allocator */ 8586e81090bSOded Gabbay 8596e81090bSOded Gabbay int kfd_gtt_sa_allocate(struct kfd_dev *kfd, unsigned int size, 8606e81090bSOded Gabbay struct kfd_mem_obj **mem_obj); 8616e81090bSOded Gabbay 8626e81090bSOded Gabbay int kfd_gtt_sa_free(struct kfd_dev *kfd, struct kfd_mem_obj *mem_obj); 8636e81090bSOded Gabbay 8644a488a7aSOded Gabbay extern struct device *kfd_device; 8654a488a7aSOded Gabbay 866de9f26bbSKent Russell /* KFD's procfs */ 867de9f26bbSKent Russell void kfd_procfs_init(void); 868de9f26bbSKent Russell void kfd_procfs_shutdown(void); 8696d220a7eSAmber Lin int kfd_procfs_add_queue(struct queue *q); 8706d220a7eSAmber Lin void kfd_procfs_del_queue(struct queue *q); 871de9f26bbSKent Russell 8725b5c4e40SEvgeny Pinchuk /* Topology */ 8735b5c4e40SEvgeny Pinchuk int kfd_topology_init(void); 8745b5c4e40SEvgeny Pinchuk void kfd_topology_shutdown(void); 8755b5c4e40SEvgeny Pinchuk int kfd_topology_add_device(struct kfd_dev *gpu); 8765b5c4e40SEvgeny Pinchuk int kfd_topology_remove_device(struct kfd_dev *gpu); 8773a87177eSHarish Kasiviswanathan struct kfd_topology_device *kfd_topology_device_by_proximity_domain( 8783a87177eSHarish Kasiviswanathan uint32_t proximity_domain); 87944d8cc6fSYong Zhao struct kfd_topology_device *kfd_topology_device_by_id(uint32_t gpu_id); 8805b5c4e40SEvgeny Pinchuk struct kfd_dev *kfd_device_by_id(uint32_t gpu_id); 8815b5c4e40SEvgeny Pinchuk struct kfd_dev *kfd_device_by_pci_dev(const struct pci_dev *pdev); 8821dde0ea9SFelix Kuehling struct kfd_dev *kfd_device_by_kgd(const struct kgd_dev *kgd); 8836d82eb0eSHarish Kasiviswanathan int kfd_topology_enum_kfd_devices(uint8_t idx, struct kfd_dev **kdev); 884520b8fb7SFelix Kuehling int kfd_numa_node_to_apic_id(int numa_node_id); 8855b5c4e40SEvgeny Pinchuk 8864a488a7aSOded Gabbay /* Interrupts */ 8872249d558SAndrew Lewycky int kfd_interrupt_init(struct kfd_dev *dev); 8882249d558SAndrew Lewycky void kfd_interrupt_exit(struct kfd_dev *dev); 8892249d558SAndrew Lewycky bool enqueue_ih_ring_entry(struct kfd_dev *kfd, const void *ih_ring_entry); 89058e69886SLan Xiao bool interrupt_is_wanted(struct kfd_dev *dev, 89158e69886SLan Xiao const uint32_t *ih_ring_entry, 89258e69886SLan Xiao uint32_t *patched_ihre, bool *flag); 8934a488a7aSOded Gabbay 89419f6d2a6SOded Gabbay /* amdkfd Apertures */ 89519f6d2a6SOded Gabbay int kfd_init_apertures(struct kfd_process *process); 89619f6d2a6SOded Gabbay 897ed6e6a34SBen Goz /* Queue Context Management */ 898e88a614cSEdward O'Callaghan int init_queue(struct queue **q, const struct queue_properties *properties); 899ed6e6a34SBen Goz void uninit_queue(struct queue *q); 90045102048SBen Goz void print_queue_properties(struct queue_properties *q); 901ed6e6a34SBen Goz void print_queue(struct queue *q); 902ed6e6a34SBen Goz 9034b8f589bSBen Goz struct mqd_manager *mqd_manager_init_cik(enum KFD_MQD_TYPE type, 9044b8f589bSBen Goz struct kfd_dev *dev); 905ee04955aSFelix Kuehling struct mqd_manager *mqd_manager_init_cik_hawaii(enum KFD_MQD_TYPE type, 906ee04955aSFelix Kuehling struct kfd_dev *dev); 9074b8f589bSBen Goz struct mqd_manager *mqd_manager_init_vi(enum KFD_MQD_TYPE type, 9084b8f589bSBen Goz struct kfd_dev *dev); 909ee04955aSFelix Kuehling struct mqd_manager *mqd_manager_init_vi_tonga(enum KFD_MQD_TYPE type, 910ee04955aSFelix Kuehling struct kfd_dev *dev); 911b91d43ddSFelix Kuehling struct mqd_manager *mqd_manager_init_v9(enum KFD_MQD_TYPE type, 912b91d43ddSFelix Kuehling struct kfd_dev *dev); 91314328aa5SPhilip Cox struct mqd_manager *mqd_manager_init_v10(enum KFD_MQD_TYPE type, 91414328aa5SPhilip Cox struct kfd_dev *dev); 91564c7f8cfSBen Goz struct device_queue_manager *device_queue_manager_init(struct kfd_dev *dev); 91664c7f8cfSBen Goz void device_queue_manager_uninit(struct device_queue_manager *dqm); 917241f24f8SBen Goz struct kernel_queue *kernel_queue_init(struct kfd_dev *dev, 918241f24f8SBen Goz enum kfd_queue_type type); 919c2a77fdeSFelix Kuehling void kernel_queue_uninit(struct kernel_queue *kq, bool hanging); 9202640c3faSshaoyunl int kfd_process_vm_fault(struct device_queue_manager *dqm, unsigned int pasid); 921241f24f8SBen Goz 92245102048SBen Goz /* Process Queue Manager */ 92345102048SBen Goz struct process_queue_node { 92445102048SBen Goz struct queue *q; 92545102048SBen Goz struct kernel_queue *kq; 92645102048SBen Goz struct list_head process_queue_list; 92745102048SBen Goz }; 92845102048SBen Goz 9299fd3f1bfSFelix Kuehling void kfd_process_dequeue_from_device(struct kfd_process_device *pdd); 9309fd3f1bfSFelix Kuehling void kfd_process_dequeue_from_all_devices(struct kfd_process *p); 93145102048SBen Goz int pqm_init(struct process_queue_manager *pqm, struct kfd_process *p); 93245102048SBen Goz void pqm_uninit(struct process_queue_manager *pqm); 93345102048SBen Goz int pqm_create_queue(struct process_queue_manager *pqm, 93445102048SBen Goz struct kfd_dev *dev, 93545102048SBen Goz struct file *f, 93645102048SBen Goz struct queue_properties *properties, 937e47a8b52SYong Zhao unsigned int *qid, 938e47a8b52SYong Zhao uint32_t *p_doorbell_offset_in_process); 93945102048SBen Goz int pqm_destroy_queue(struct process_queue_manager *pqm, unsigned int qid); 94045102048SBen Goz int pqm_update_queue(struct process_queue_manager *pqm, unsigned int qid, 94145102048SBen Goz struct queue_properties *p); 94239e7f331SFelix Kuehling int pqm_set_cu_mask(struct process_queue_manager *pqm, unsigned int qid, 94339e7f331SFelix Kuehling struct queue_properties *p); 944eb82da1dSOak Zeng int pqm_set_gws(struct process_queue_manager *pqm, unsigned int qid, 945eb82da1dSOak Zeng void *gws); 946fbeb661bSYair Shachar struct kernel_queue *pqm_get_kernel_queue(struct process_queue_manager *pqm, 947fbeb661bSYair Shachar unsigned int qid); 9485bb4b78bSOak Zeng struct queue *pqm_get_user_queue(struct process_queue_manager *pqm, 9495bb4b78bSOak Zeng unsigned int qid); 9505df099e8SJay Cornwall int pqm_get_wave_state(struct process_queue_manager *pqm, 9515df099e8SJay Cornwall unsigned int qid, 9525df099e8SJay Cornwall void __user *ctl_stack, 9535df099e8SJay Cornwall u32 *ctl_stack_used_size, 9545df099e8SJay Cornwall u32 *save_area_used_size); 95545102048SBen Goz 956788bf83dSYair Shachar int amdkfd_fence_wait_timeout(unsigned int *fence_addr, 957788bf83dSYair Shachar unsigned int fence_value, 9588c72c3d7SYong Zhao unsigned int timeout_ms); 959788bf83dSYair Shachar 960ed6e6a34SBen Goz /* Packet Manager */ 961ed6e6a34SBen Goz 96264c7f8cfSBen Goz #define KFD_FENCE_COMPLETED (100) 96364c7f8cfSBen Goz #define KFD_FENCE_INIT (10) 964241f24f8SBen Goz 965ed6e6a34SBen Goz struct packet_manager { 966ed6e6a34SBen Goz struct device_queue_manager *dqm; 967ed6e6a34SBen Goz struct kernel_queue *priv_queue; 968ed6e6a34SBen Goz struct mutex lock; 969ed6e6a34SBen Goz bool allocated; 970ed6e6a34SBen Goz struct kfd_mem_obj *ib_buffer_obj; 971851a645eSFelix Kuehling unsigned int ib_size_bytes; 972819ec5acSFelix Kuehling bool is_over_subscription; 973f6e27ff1SFelix Kuehling 974f6e27ff1SFelix Kuehling const struct packet_manager_funcs *pmf; 975ed6e6a34SBen Goz }; 976ed6e6a34SBen Goz 977f6e27ff1SFelix Kuehling struct packet_manager_funcs { 978f6e27ff1SFelix Kuehling /* Support ASIC-specific packet formats for PM4 packets */ 979f6e27ff1SFelix Kuehling int (*map_process)(struct packet_manager *pm, uint32_t *buffer, 980f6e27ff1SFelix Kuehling struct qcm_process_device *qpd); 981f6e27ff1SFelix Kuehling int (*runlist)(struct packet_manager *pm, uint32_t *buffer, 982f6e27ff1SFelix Kuehling uint64_t ib, size_t ib_size_in_dwords, bool chain); 983f6e27ff1SFelix Kuehling int (*set_resources)(struct packet_manager *pm, uint32_t *buffer, 984f6e27ff1SFelix Kuehling struct scheduling_resources *res); 985f6e27ff1SFelix Kuehling int (*map_queues)(struct packet_manager *pm, uint32_t *buffer, 986f6e27ff1SFelix Kuehling struct queue *q, bool is_static); 987f6e27ff1SFelix Kuehling int (*unmap_queues)(struct packet_manager *pm, uint32_t *buffer, 988f6e27ff1SFelix Kuehling enum kfd_queue_type type, 989f6e27ff1SFelix Kuehling enum kfd_unmap_queues_filter mode, 990f6e27ff1SFelix Kuehling uint32_t filter_param, bool reset, 991f6e27ff1SFelix Kuehling unsigned int sdma_engine); 992f6e27ff1SFelix Kuehling int (*query_status)(struct packet_manager *pm, uint32_t *buffer, 993f6e27ff1SFelix Kuehling uint64_t fence_address, uint32_t fence_value); 994f6e27ff1SFelix Kuehling int (*release_mem)(uint64_t gpu_addr, uint32_t *buffer); 995f6e27ff1SFelix Kuehling 996f6e27ff1SFelix Kuehling /* Packet sizes */ 997f6e27ff1SFelix Kuehling int map_process_size; 998f6e27ff1SFelix Kuehling int runlist_size; 999f6e27ff1SFelix Kuehling int set_resources_size; 1000f6e27ff1SFelix Kuehling int map_queues_size; 1001f6e27ff1SFelix Kuehling int unmap_queues_size; 1002f6e27ff1SFelix Kuehling int query_status_size; 1003f6e27ff1SFelix Kuehling int release_mem_size; 1004f6e27ff1SFelix Kuehling }; 1005f6e27ff1SFelix Kuehling 1006f6e27ff1SFelix Kuehling extern const struct packet_manager_funcs kfd_vi_pm_funcs; 1007454150b1SFelix Kuehling extern const struct packet_manager_funcs kfd_v9_pm_funcs; 1008f6e27ff1SFelix Kuehling 100964c7f8cfSBen Goz int pm_init(struct packet_manager *pm, struct device_queue_manager *dqm); 1010c2a77fdeSFelix Kuehling void pm_uninit(struct packet_manager *pm, bool hanging); 101164c7f8cfSBen Goz int pm_send_set_resources(struct packet_manager *pm, 101264c7f8cfSBen Goz struct scheduling_resources *res); 101364c7f8cfSBen Goz int pm_send_runlist(struct packet_manager *pm, struct list_head *dqm_queues); 101464c7f8cfSBen Goz int pm_send_query_status(struct packet_manager *pm, uint64_t fence_address, 101564c7f8cfSBen Goz uint32_t fence_value); 101664c7f8cfSBen Goz 101764c7f8cfSBen Goz int pm_send_unmap_queue(struct packet_manager *pm, enum kfd_queue_type type, 10187da2bcf8SYong Zhao enum kfd_unmap_queues_filter mode, 101964c7f8cfSBen Goz uint32_t filter_param, bool reset, 102064c7f8cfSBen Goz unsigned int sdma_engine); 102164c7f8cfSBen Goz 1022241f24f8SBen Goz void pm_release_ib(struct packet_manager *pm); 1023241f24f8SBen Goz 1024454150b1SFelix Kuehling /* Following PM funcs can be shared among VI and AI */ 1025454150b1SFelix Kuehling unsigned int pm_build_pm4_header(unsigned int opcode, size_t packet_size); 102614328aa5SPhilip Cox 102719f6d2a6SOded Gabbay uint64_t kfd_get_number_elems(struct kfd_dev *kfd); 102819f6d2a6SOded Gabbay 1029f3a39818SAndrew Lewycky /* Events */ 1030f3a39818SAndrew Lewycky extern const struct kfd_event_interrupt_class event_interrupt_class_cik; 1031ca750681SFelix Kuehling extern const struct kfd_event_interrupt_class event_interrupt_class_v9; 1032ca750681SFelix Kuehling 1033930c5ff4SAlexey Skidanov extern const struct kfd_device_global_init_class device_global_init_class_cik; 1034f3a39818SAndrew Lewycky 1035f3a39818SAndrew Lewycky void kfd_event_init_process(struct kfd_process *p); 1036f3a39818SAndrew Lewycky void kfd_event_free_process(struct kfd_process *p); 1037f3a39818SAndrew Lewycky int kfd_event_mmap(struct kfd_process *process, struct vm_area_struct *vma); 1038f3a39818SAndrew Lewycky int kfd_wait_on_events(struct kfd_process *p, 103959d3e8beSAlexey Skidanov uint32_t num_events, void __user *data, 1040f3a39818SAndrew Lewycky bool all, uint32_t user_timeout_ms, 1041fdf0c833SFelix Kuehling uint32_t *wait_result); 1042f3a39818SAndrew Lewycky void kfd_signal_event_interrupt(unsigned int pasid, uint32_t partial_id, 1043f3a39818SAndrew Lewycky uint32_t valid_id_bits); 104459d3e8beSAlexey Skidanov void kfd_signal_iommu_event(struct kfd_dev *dev, 104559d3e8beSAlexey Skidanov unsigned int pasid, unsigned long address, 104659d3e8beSAlexey Skidanov bool is_write_requested, bool is_execute_requested); 1047930c5ff4SAlexey Skidanov void kfd_signal_hw_exception_event(unsigned int pasid); 1048f3a39818SAndrew Lewycky int kfd_set_event(struct kfd_process *p, uint32_t event_id); 1049f3a39818SAndrew Lewycky int kfd_reset_event(struct kfd_process *p, uint32_t event_id); 10500fc8011fSFelix Kuehling int kfd_event_page_set(struct kfd_process *p, void *kernel_address, 10510fc8011fSFelix Kuehling uint64_t size); 1052f3a39818SAndrew Lewycky int kfd_event_create(struct file *devkfd, struct kfd_process *p, 1053f3a39818SAndrew Lewycky uint32_t event_type, bool auto_reset, uint32_t node_id, 1054f3a39818SAndrew Lewycky uint32_t *event_id, uint32_t *event_trigger_data, 1055f3a39818SAndrew Lewycky uint64_t *event_page_offset, uint32_t *event_slot_index); 1056f3a39818SAndrew Lewycky int kfd_event_destroy(struct kfd_process *p, uint32_t event_id); 1057f3a39818SAndrew Lewycky 10582640c3faSshaoyunl void kfd_signal_vm_fault_event(struct kfd_dev *dev, unsigned int pasid, 10592640c3faSshaoyunl struct kfd_vm_fault_info *info); 10602640c3faSshaoyunl 1061e42051d2SShaoyun Liu void kfd_signal_reset_event(struct kfd_dev *dev); 1062e42051d2SShaoyun Liu 1063403575c4SFelix Kuehling void kfd_flush_tlb(struct kfd_process_device *pdd); 1064403575c4SFelix Kuehling 1065c3447e81SBen Goz int dbgdev_wave_reset_wavefronts(struct kfd_dev *dev, struct kfd_process *p); 1066c3447e81SBen Goz 1067e42051d2SShaoyun Liu bool kfd_is_locked(void); 1068e42051d2SShaoyun Liu 1069f756e631SHarish Kasiviswanathan /* Compute profile */ 1070f756e631SHarish Kasiviswanathan void kfd_inc_compute_active(struct kfd_dev *dev); 1071f756e631SHarish Kasiviswanathan void kfd_dec_compute_active(struct kfd_dev *dev); 1072f756e631SHarish Kasiviswanathan 10736b855f7bSHarish Kasiviswanathan /* Cgroup Support */ 10746b855f7bSHarish Kasiviswanathan /* Check with device cgroup if @kfd device is accessible */ 10756b855f7bSHarish Kasiviswanathan static inline int kfd_devcgroup_check_permission(struct kfd_dev *kfd) 10766b855f7bSHarish Kasiviswanathan { 10776b855f7bSHarish Kasiviswanathan #if defined(CONFIG_CGROUP_DEVICE) 10786b855f7bSHarish Kasiviswanathan struct drm_device *ddev = kfd->ddev; 10796b855f7bSHarish Kasiviswanathan 108099c7b309SLorenz Brun return devcgroup_check_permission(DEVCG_DEV_CHAR, DRM_MAJOR, 10816b855f7bSHarish Kasiviswanathan ddev->render->index, 10826b855f7bSHarish Kasiviswanathan DEVCG_ACC_WRITE | DEVCG_ACC_READ); 10836b855f7bSHarish Kasiviswanathan #else 10846b855f7bSHarish Kasiviswanathan return 0; 10856b855f7bSHarish Kasiviswanathan #endif 10866b855f7bSHarish Kasiviswanathan } 10876b855f7bSHarish Kasiviswanathan 1088851a645eSFelix Kuehling /* Debugfs */ 1089851a645eSFelix Kuehling #if defined(CONFIG_DEBUG_FS) 1090851a645eSFelix Kuehling 1091851a645eSFelix Kuehling void kfd_debugfs_init(void); 1092851a645eSFelix Kuehling void kfd_debugfs_fini(void); 1093851a645eSFelix Kuehling int kfd_debugfs_mqds_by_process(struct seq_file *m, void *data); 1094851a645eSFelix Kuehling int pqm_debugfs_mqds(struct seq_file *m, void *data); 1095851a645eSFelix Kuehling int kfd_debugfs_hqds_by_device(struct seq_file *m, void *data); 1096851a645eSFelix Kuehling int dqm_debugfs_hqds(struct seq_file *m, void *data); 1097851a645eSFelix Kuehling int kfd_debugfs_rls_by_device(struct seq_file *m, void *data); 1098851a645eSFelix Kuehling int pm_debugfs_runlist(struct seq_file *m, void *data); 1099851a645eSFelix Kuehling 1100a29ec470SShaoyun Liu int kfd_debugfs_hang_hws(struct kfd_dev *dev); 1101a29ec470SShaoyun Liu int pm_debugfs_hang_hws(struct packet_manager *pm); 1102a29ec470SShaoyun Liu int dqm_debugfs_execute_queues(struct device_queue_manager *dqm); 1103a29ec470SShaoyun Liu 1104851a645eSFelix Kuehling #else 1105851a645eSFelix Kuehling 1106851a645eSFelix Kuehling static inline void kfd_debugfs_init(void) {} 1107851a645eSFelix Kuehling static inline void kfd_debugfs_fini(void) {} 1108851a645eSFelix Kuehling 1109851a645eSFelix Kuehling #endif 1110851a645eSFelix Kuehling 11114a488a7aSOded Gabbay #endif 1112