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 100a4497974SRajneesh Bhardwaj * page is used as TMA for user-mode trap handler setup in daisy-chain mode. 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 160a4497974SRajneesh Bhardwaj /* Set sh_mem_config.retry_disable on GFX v9 */ 16175ee6487SFelix Kuehling extern int amdgpu_noretry; 162bed4f110SFelix Kuehling 163a4497974SRajneesh Bhardwaj /* Halt if HWS hang is detected */ 1640e9a860cSYong Zhao extern int halt_if_hws_hang; 1650e9a860cSYong Zhao 166a4497974SRajneesh Bhardwaj /* Whether MEC FW support GWS barriers */ 16729e76462SOak Zeng extern bool hws_gws_support; 16829e76462SOak Zeng 169a4497974SRajneesh Bhardwaj /* Queue preemption timeout in ms */ 17014328aa5SPhilip Cox extern int queue_preemption_timeout_ms; 17114328aa5SPhilip Cox 172a4497974SRajneesh Bhardwaj /* Enable eviction debug messages */ 173b2057956SFelix Kuehling extern bool debug_evictions; 174b2057956SFelix Kuehling 175ed6e6a34SBen Goz enum cache_policy { 176ed6e6a34SBen Goz cache_policy_coherent, 177ed6e6a34SBen Goz cache_policy_noncoherent 178ed6e6a34SBen Goz }; 179ed6e6a34SBen Goz 180ef568db7SFelix Kuehling #define KFD_IS_SOC15(chip) ((chip) >= CHIP_VEGA10) 181ef568db7SFelix Kuehling 182f3a39818SAndrew Lewycky struct kfd_event_interrupt_class { 183f3a39818SAndrew Lewycky bool (*interrupt_isr)(struct kfd_dev *dev, 18458e69886SLan Xiao const uint32_t *ih_ring_entry, uint32_t *patched_ihre, 18558e69886SLan Xiao bool *patched_flag); 186f3a39818SAndrew Lewycky void (*interrupt_wq)(struct kfd_dev *dev, 187f3a39818SAndrew Lewycky const uint32_t *ih_ring_entry); 188f3a39818SAndrew Lewycky }; 189f3a39818SAndrew Lewycky 1904a488a7aSOded Gabbay struct kfd_device_info { 191e596b903SYong Zhao enum amd_asic_type asic_family; 192c181159aSYong Zhao const char *asic_name; 193f3a39818SAndrew Lewycky const struct kfd_event_interrupt_class *event_interrupt_class; 1944a488a7aSOded Gabbay unsigned int max_pasid_bits; 195992839adSYair Shachar unsigned int max_no_of_hqd; 196ada2b29cSFelix Kuehling unsigned int doorbell_size; 1974a488a7aSOded Gabbay size_t ih_ring_entry_size; 198f7c826adSAlexey Skidanov uint8_t num_of_watch_points; 19919f6d2a6SOded Gabbay uint16_t mqd_size_aligned; 200373d7080SFelix Kuehling bool supports_cwsr; 20164d1c3a4SFelix Kuehling bool needs_iommu_device; 2023ee2d00cSFelix Kuehling bool needs_pci_atomics; 20398bb9222SYong Zhao unsigned int num_sdma_engines; 2041b4670f6SOak Zeng unsigned int num_xgmi_sdma_engines; 205d5094189SShaoyun Liu unsigned int num_sdma_queues_per_engine; 2064a488a7aSOded Gabbay }; 2074a488a7aSOded Gabbay 20836b5c08fSOded Gabbay struct kfd_mem_obj { 20936b5c08fSOded Gabbay uint32_t range_start; 21036b5c08fSOded Gabbay uint32_t range_end; 21136b5c08fSOded Gabbay uint64_t gpu_addr; 21236b5c08fSOded Gabbay uint32_t *cpu_ptr; 213b91d43ddSFelix Kuehling void *gtt_mem; 21436b5c08fSOded Gabbay }; 21536b5c08fSOded Gabbay 21644008d7aSYong Zhao struct kfd_vmid_info { 21744008d7aSYong Zhao uint32_t first_vmid_kfd; 21844008d7aSYong Zhao uint32_t last_vmid_kfd; 21944008d7aSYong Zhao uint32_t vmid_num_kfd; 22044008d7aSYong Zhao }; 22144008d7aSYong Zhao 2224a488a7aSOded Gabbay struct kfd_dev { 2234a488a7aSOded Gabbay struct kgd_dev *kgd; 2244a488a7aSOded Gabbay 2254a488a7aSOded Gabbay const struct kfd_device_info *device_info; 2264a488a7aSOded Gabbay struct pci_dev *pdev; 2273a0c3423SHarish Kasiviswanathan struct drm_device *ddev; 2284a488a7aSOded Gabbay 2294a488a7aSOded Gabbay unsigned int id; /* topology stub index */ 2304a488a7aSOded Gabbay 23119f6d2a6SOded Gabbay phys_addr_t doorbell_base; /* Start of actual doorbells used by 23219f6d2a6SOded Gabbay * KFD. It is aligned for mapping 23319f6d2a6SOded Gabbay * into user mode 23419f6d2a6SOded Gabbay */ 235339903faSYong Zhao size_t doorbell_base_dw_offset; /* Offset from the start of the PCI 236339903faSYong Zhao * doorbell BAR to the first KFD 237339903faSYong Zhao * doorbell in dwords. GFX reserves 238339903faSYong Zhao * the segment before this offset. 23919f6d2a6SOded Gabbay */ 24019f6d2a6SOded Gabbay u32 __iomem *doorbell_kernel_ptr; /* This is a pointer for a doorbells 24119f6d2a6SOded Gabbay * page used by kernel queue 24219f6d2a6SOded Gabbay */ 24319f6d2a6SOded Gabbay 2444a488a7aSOded Gabbay struct kgd2kfd_shared_resources shared_resources; 24544008d7aSYong Zhao struct kfd_vmid_info vm_info; 2464a488a7aSOded Gabbay 247cea405b1SXihan Zhang const struct kfd2kgd_calls *kfd2kgd; 248cea405b1SXihan Zhang struct mutex doorbell_mutex; 249f761d8bdSJoe Perches DECLARE_BITMAP(doorbell_available_index, 250f761d8bdSJoe Perches KFD_MAX_NUM_OF_QUEUES_PER_PROCESS); 251cea405b1SXihan Zhang 25236b5c08fSOded Gabbay void *gtt_mem; 25336b5c08fSOded Gabbay uint64_t gtt_start_gpu_addr; 25436b5c08fSOded Gabbay void *gtt_start_cpu_ptr; 25536b5c08fSOded Gabbay void *gtt_sa_bitmap; 25636b5c08fSOded Gabbay struct mutex gtt_sa_lock; 25736b5c08fSOded Gabbay unsigned int gtt_sa_chunk_size; 25836b5c08fSOded Gabbay unsigned int gtt_sa_num_of_chunks; 25936b5c08fSOded Gabbay 2602249d558SAndrew Lewycky /* Interrupts */ 26104ad47bdSAndres Rodriguez struct kfifo ih_fifo; 26248e876a2SAndres Rodriguez struct workqueue_struct *ih_wq; 2632249d558SAndrew Lewycky struct work_struct interrupt_work; 2642249d558SAndrew Lewycky spinlock_t interrupt_lock; 2652249d558SAndrew Lewycky 266ed6e6a34SBen Goz /* QCM Device instance */ 267ed6e6a34SBen Goz struct device_queue_manager *dqm; 2684a488a7aSOded Gabbay 269ed6e6a34SBen Goz bool init_complete; 2702249d558SAndrew Lewycky /* 2712249d558SAndrew Lewycky * Interrupts of interest to KFD are copied 2722249d558SAndrew Lewycky * from the HW ring into a SW ring. 2732249d558SAndrew Lewycky */ 2742249d558SAndrew Lewycky bool interrupts_active; 275fbeb661bSYair Shachar 276fbeb661bSYair Shachar /* Debug manager */ 277fbeb661bSYair Shachar struct kfd_dbgmgr *dbgmgr; 278373d7080SFelix Kuehling 2795ade6c9cSFelix Kuehling /* Firmware versions */ 2805ade6c9cSFelix Kuehling uint16_t mec_fw_version; 28129633d0eSJoseph Greathouse uint16_t mec2_fw_version; 2825ade6c9cSFelix Kuehling uint16_t sdma_fw_version; 2835ade6c9cSFelix Kuehling 284a99c6d4fSFelix Kuehling /* Maximum process number mapped to HW scheduler */ 285a99c6d4fSFelix Kuehling unsigned int max_proc_per_quantum; 286a99c6d4fSFelix Kuehling 287373d7080SFelix Kuehling /* CWSR */ 288373d7080SFelix Kuehling bool cwsr_enabled; 289373d7080SFelix Kuehling const void *cwsr_isa; 290373d7080SFelix Kuehling unsigned int cwsr_isa_size; 2910c1690e3SShaoyun Liu 2920c1690e3SShaoyun Liu /* xGMI */ 2930c1690e3SShaoyun Liu uint64_t hive_id; 2940c663695SDivya Shikre 2950c663695SDivya Shikre /* UUID */ 2960c663695SDivya Shikre uint64_t unique_id; 297d35f00d8SEric Huang 298d35f00d8SEric Huang bool pci_atomic_requested; 2999b54d201SEric Huang 3009b54d201SEric Huang /* SRAM ECC flag */ 3019b54d201SEric Huang atomic_t sram_ecc_flag; 302f756e631SHarish Kasiviswanathan 303f756e631SHarish Kasiviswanathan /* Compute Profile ref. count */ 304f756e631SHarish Kasiviswanathan atomic_t compute_profile; 305e09d4fc8SOak Zeng 306a4497974SRajneesh Bhardwaj /* Global GWS resource shared between processes */ 307e09d4fc8SOak Zeng void *gws; 308938a0650SAmber Lin 309938a0650SAmber Lin /* Clients watching SMI events */ 310938a0650SAmber Lin struct list_head smi_clients; 311938a0650SAmber Lin spinlock_t smi_lock; 3124a488a7aSOded Gabbay }; 3134a488a7aSOded Gabbay 31419f6d2a6SOded Gabbay enum kfd_mempool { 31519f6d2a6SOded Gabbay KFD_MEMPOOL_SYSTEM_CACHEABLE = 1, 31619f6d2a6SOded Gabbay KFD_MEMPOOL_SYSTEM_WRITECOMBINE = 2, 31719f6d2a6SOded Gabbay KFD_MEMPOOL_FRAMEBUFFER = 3, 31819f6d2a6SOded Gabbay }; 31919f6d2a6SOded Gabbay 3204a488a7aSOded Gabbay /* Character device interface */ 3214a488a7aSOded Gabbay int kfd_chardev_init(void); 3224a488a7aSOded Gabbay void kfd_chardev_exit(void); 3234a488a7aSOded Gabbay struct device *kfd_chardev(void); 3244a488a7aSOded Gabbay 325241f24f8SBen Goz /** 326a4497974SRajneesh Bhardwaj * enum kfd_unmap_queues_filter - Enum for queue filters. 327241f24f8SBen Goz * 3287da2bcf8SYong Zhao * @KFD_UNMAP_QUEUES_FILTER_SINGLE_QUEUE: Preempts single queue. 329241f24f8SBen Goz * 3307da2bcf8SYong Zhao * @KFD_UNMAP_QUEUES_FILTER_ALL_QUEUES: Preempts all queues in the 331241f24f8SBen Goz * running queues list. 332241f24f8SBen Goz * 3337da2bcf8SYong Zhao * @KFD_UNMAP_QUEUES_FILTER_BY_PASID: Preempts queues that belongs to 334241f24f8SBen Goz * specific process. 335241f24f8SBen Goz * 336241f24f8SBen Goz */ 3377da2bcf8SYong Zhao enum kfd_unmap_queues_filter { 3387da2bcf8SYong Zhao KFD_UNMAP_QUEUES_FILTER_SINGLE_QUEUE, 3397da2bcf8SYong Zhao KFD_UNMAP_QUEUES_FILTER_ALL_QUEUES, 3407da2bcf8SYong Zhao KFD_UNMAP_QUEUES_FILTER_DYNAMIC_QUEUES, 3417da2bcf8SYong Zhao KFD_UNMAP_QUEUES_FILTER_BY_PASID 342241f24f8SBen Goz }; 34319f6d2a6SOded Gabbay 344ed8aab45SBen Goz /** 345a4497974SRajneesh Bhardwaj * enum kfd_queue_type - Enum for various queue types. 346ed8aab45SBen Goz * 347ed8aab45SBen Goz * @KFD_QUEUE_TYPE_COMPUTE: Regular user mode queue type. 348ed8aab45SBen Goz * 349a4497974SRajneesh Bhardwaj * @KFD_QUEUE_TYPE_SDMA: SDMA user mode queue type. 350ed8aab45SBen Goz * 351ed8aab45SBen Goz * @KFD_QUEUE_TYPE_HIQ: HIQ queue type. 352ed8aab45SBen Goz * 353ed8aab45SBen Goz * @KFD_QUEUE_TYPE_DIQ: DIQ queue type. 354a4497974SRajneesh Bhardwaj * 355a4497974SRajneesh Bhardwaj * @KFD_QUEUE_TYPE_SDMA_XGMI: Special SDMA queue for XGMI interface. 356ed8aab45SBen Goz */ 357ed8aab45SBen Goz enum kfd_queue_type { 358ed8aab45SBen Goz KFD_QUEUE_TYPE_COMPUTE, 359ed8aab45SBen Goz KFD_QUEUE_TYPE_SDMA, 360ed8aab45SBen Goz KFD_QUEUE_TYPE_HIQ, 3611b4670f6SOak Zeng KFD_QUEUE_TYPE_DIQ, 3621b4670f6SOak Zeng KFD_QUEUE_TYPE_SDMA_XGMI 363ed8aab45SBen Goz }; 364ed8aab45SBen Goz 3656e99df57SBen Goz enum kfd_queue_format { 3666e99df57SBen Goz KFD_QUEUE_FORMAT_PM4, 3676e99df57SBen Goz KFD_QUEUE_FORMAT_AQL 3686e99df57SBen Goz }; 3696e99df57SBen Goz 3700ccbc7cdSOak Zeng enum KFD_QUEUE_PRIORITY { 3710ccbc7cdSOak Zeng KFD_QUEUE_PRIORITY_MINIMUM = 0, 3720ccbc7cdSOak Zeng KFD_QUEUE_PRIORITY_MAXIMUM = 15 3730ccbc7cdSOak Zeng }; 3740ccbc7cdSOak Zeng 375ed8aab45SBen Goz /** 376ed8aab45SBen Goz * struct queue_properties 377ed8aab45SBen Goz * 378ed8aab45SBen Goz * @type: The queue type. 379ed8aab45SBen Goz * 380ed8aab45SBen Goz * @queue_id: Queue identifier. 381ed8aab45SBen Goz * 382ed8aab45SBen Goz * @queue_address: Queue ring buffer address. 383ed8aab45SBen Goz * 384ed8aab45SBen Goz * @queue_size: Queue ring buffer size. 385ed8aab45SBen Goz * 386ed8aab45SBen Goz * @priority: Defines the queue priority relative to other queues in the 387ed8aab45SBen Goz * process. 388ed8aab45SBen Goz * This is just an indication and HW scheduling may override the priority as 389ed8aab45SBen Goz * necessary while keeping the relative prioritization. 390ed8aab45SBen Goz * the priority granularity is from 0 to f which f is the highest priority. 391ed8aab45SBen Goz * currently all queues are initialized with the highest priority. 392ed8aab45SBen Goz * 393ed8aab45SBen Goz * @queue_percent: This field is partially implemented and currently a zero in 394ed8aab45SBen Goz * this field defines that the queue is non active. 395ed8aab45SBen Goz * 396ed8aab45SBen Goz * @read_ptr: User space address which points to the number of dwords the 397ed8aab45SBen Goz * cp read from the ring buffer. This field updates automatically by the H/W. 398ed8aab45SBen Goz * 399ed8aab45SBen Goz * @write_ptr: Defines the number of dwords written to the ring buffer. 400ed8aab45SBen Goz * 401a4497974SRajneesh Bhardwaj * @doorbell_ptr: Notifies the H/W of new packet written to the queue ring 402a4497974SRajneesh Bhardwaj * buffer. This field should be similar to write_ptr and the user should 403a4497974SRajneesh Bhardwaj * update this field after updating the write_ptr. 404ed8aab45SBen Goz * 405ed8aab45SBen Goz * @doorbell_off: The doorbell offset in the doorbell pci-bar. 406ed8aab45SBen Goz * 4078eabaf54SKent Russell * @is_interop: Defines if this is a interop queue. Interop queue means that 4088eabaf54SKent Russell * the queue can access both graphics and compute resources. 409ed8aab45SBen Goz * 41026103436SFelix Kuehling * @is_evicted: Defines if the queue is evicted. Only active queues 41126103436SFelix Kuehling * are evicted, rendering them inactive. 41226103436SFelix Kuehling * 41326103436SFelix Kuehling * @is_active: Defines if the queue is active or not. @is_active and 41426103436SFelix Kuehling * @is_evicted are protected by the DQM lock. 415ed8aab45SBen Goz * 416b8020b03SJoseph Greathouse * @is_gws: Defines if the queue has been updated to be GWS-capable or not. 417b8020b03SJoseph Greathouse * @is_gws should be protected by the DQM lock, since changing it can yield the 418b8020b03SJoseph Greathouse * possibility of updating DQM state on number of GWS queues. 419b8020b03SJoseph Greathouse * 420ed8aab45SBen Goz * @vmid: If the scheduling mode is no cp scheduling the field defines the vmid 421ed8aab45SBen Goz * of the queue. 422ed8aab45SBen Goz * 423ed8aab45SBen Goz * This structure represents the queue properties for each queue no matter if 424ed8aab45SBen Goz * it's user mode or kernel mode queue. 425ed8aab45SBen Goz * 426ed8aab45SBen Goz */ 427ed8aab45SBen Goz struct queue_properties { 428ed8aab45SBen Goz enum kfd_queue_type type; 4296e99df57SBen Goz enum kfd_queue_format format; 430ed8aab45SBen Goz unsigned int queue_id; 431ed8aab45SBen Goz uint64_t queue_address; 432ed8aab45SBen Goz uint64_t queue_size; 433ed8aab45SBen Goz uint32_t priority; 434ed8aab45SBen Goz uint32_t queue_percent; 435ed8aab45SBen Goz uint32_t *read_ptr; 436ed8aab45SBen Goz uint32_t *write_ptr; 437ada2b29cSFelix Kuehling void __iomem *doorbell_ptr; 438ed8aab45SBen Goz uint32_t doorbell_off; 439ed8aab45SBen Goz bool is_interop; 44026103436SFelix Kuehling bool is_evicted; 441ed8aab45SBen Goz bool is_active; 442b8020b03SJoseph Greathouse bool is_gws; 443ed8aab45SBen Goz /* Not relevant for user mode queues in cp scheduling */ 444ed8aab45SBen Goz unsigned int vmid; 44577669eb8SBen Goz /* Relevant only for sdma queues*/ 44677669eb8SBen Goz uint32_t sdma_engine_id; 44777669eb8SBen Goz uint32_t sdma_queue_id; 44877669eb8SBen Goz uint32_t sdma_vm_addr; 449ff3d04a1SBen Goz /* Relevant only for VI */ 450ff3d04a1SBen Goz uint64_t eop_ring_buffer_address; 451ff3d04a1SBen Goz uint32_t eop_ring_buffer_size; 452ff3d04a1SBen Goz uint64_t ctx_save_restore_area_address; 453ff3d04a1SBen Goz uint32_t ctx_save_restore_area_size; 454373d7080SFelix Kuehling uint32_t ctl_stack_size; 455373d7080SFelix Kuehling uint64_t tba_addr; 456373d7080SFelix Kuehling uint64_t tma_addr; 45739e7f331SFelix Kuehling /* Relevant for CU */ 45839e7f331SFelix Kuehling uint32_t cu_mask_count; /* Must be a multiple of 32 */ 45939e7f331SFelix Kuehling uint32_t *cu_mask; 460ed8aab45SBen Goz }; 461ed8aab45SBen Goz 462bb2d2128SFelix Kuehling #define QUEUE_IS_ACTIVE(q) ((q).queue_size > 0 && \ 463bb2d2128SFelix Kuehling (q).queue_address != 0 && \ 464bb2d2128SFelix Kuehling (q).queue_percent > 0 && \ 465bb2d2128SFelix Kuehling !(q).is_evicted) 466bb2d2128SFelix Kuehling 467ed8aab45SBen Goz /** 468ed8aab45SBen Goz * struct queue 469ed8aab45SBen Goz * 470ed8aab45SBen Goz * @list: Queue linked list. 471ed8aab45SBen Goz * 472a4497974SRajneesh Bhardwaj * @mqd: The queue MQD (memory queue descriptor). 473ed8aab45SBen Goz * 474ed8aab45SBen Goz * @mqd_mem_obj: The MQD local gpu memory object. 475ed8aab45SBen Goz * 476ed8aab45SBen Goz * @gart_mqd_addr: The MQD gart mc address. 477ed8aab45SBen Goz * 478ed8aab45SBen Goz * @properties: The queue properties. 479ed8aab45SBen Goz * 480ed8aab45SBen Goz * @mec: Used only in no cp scheduling mode and identifies to micro engine id 481a4497974SRajneesh Bhardwaj * that the queue should be executed on. 482ed8aab45SBen Goz * 4838eabaf54SKent Russell * @pipe: Used only in no cp scheduling mode and identifies the queue's pipe 4848eabaf54SKent Russell * id. 485ed8aab45SBen Goz * 486ed8aab45SBen Goz * @queue: Used only in no cp scheduliong mode and identifies the queue's slot. 487ed8aab45SBen Goz * 488ed8aab45SBen Goz * @process: The kfd process that created this queue. 489ed8aab45SBen Goz * 490ed8aab45SBen Goz * @device: The kfd device that created this queue. 491ed8aab45SBen Goz * 492eb82da1dSOak Zeng * @gws: Pointing to gws kgd_mem if this is a gws control queue; NULL 493eb82da1dSOak Zeng * otherwise. 494eb82da1dSOak Zeng * 495ed8aab45SBen Goz * This structure represents user mode compute queues. 496ed8aab45SBen Goz * It contains all the necessary data to handle such queues. 497ed8aab45SBen Goz * 498ed8aab45SBen Goz */ 499ed8aab45SBen Goz 500ed8aab45SBen Goz struct queue { 501ed8aab45SBen Goz struct list_head list; 502ed8aab45SBen Goz void *mqd; 503ed8aab45SBen Goz struct kfd_mem_obj *mqd_mem_obj; 504ed8aab45SBen Goz uint64_t gart_mqd_addr; 505ed8aab45SBen Goz struct queue_properties properties; 506ed8aab45SBen Goz 507ed8aab45SBen Goz uint32_t mec; 508ed8aab45SBen Goz uint32_t pipe; 509ed8aab45SBen Goz uint32_t queue; 510ed8aab45SBen Goz 51177669eb8SBen Goz unsigned int sdma_id; 512ef568db7SFelix Kuehling unsigned int doorbell_id; 51377669eb8SBen Goz 514ed8aab45SBen Goz struct kfd_process *process; 515ed8aab45SBen Goz struct kfd_dev *device; 516eb82da1dSOak Zeng void *gws; 5176d220a7eSAmber Lin 5186d220a7eSAmber Lin /* procfs */ 5196d220a7eSAmber Lin struct kobject kobj; 520ed8aab45SBen Goz }; 521ed8aab45SBen Goz 5226e99df57SBen Goz enum KFD_MQD_TYPE { 523d7c0b047SYong Zhao KFD_MQD_TYPE_HIQ = 0, /* for hiq */ 52485d258f9SBen Goz KFD_MQD_TYPE_CP, /* for cp queues and diq */ 52585d258f9SBen Goz KFD_MQD_TYPE_SDMA, /* for sdma queues */ 52659f650a0SOak Zeng KFD_MQD_TYPE_DIQ, /* for diq */ 5276e99df57SBen Goz KFD_MQD_TYPE_MAX 5286e99df57SBen Goz }; 5296e99df57SBen Goz 5300ccbc7cdSOak Zeng enum KFD_PIPE_PRIORITY { 5310ccbc7cdSOak Zeng KFD_PIPE_PRIORITY_CS_LOW = 0, 5320ccbc7cdSOak Zeng KFD_PIPE_PRIORITY_CS_MEDIUM, 5330ccbc7cdSOak Zeng KFD_PIPE_PRIORITY_CS_HIGH 5340ccbc7cdSOak Zeng }; 5350ccbc7cdSOak Zeng 536241f24f8SBen Goz struct scheduling_resources { 537241f24f8SBen Goz unsigned int vmid_mask; 538241f24f8SBen Goz enum kfd_queue_type type; 539241f24f8SBen Goz uint64_t queue_mask; 540241f24f8SBen Goz uint64_t gws_mask; 541241f24f8SBen Goz uint32_t oac_mask; 542241f24f8SBen Goz uint32_t gds_heap_base; 543241f24f8SBen Goz uint32_t gds_heap_size; 544241f24f8SBen Goz }; 545241f24f8SBen Goz 546241f24f8SBen Goz struct process_queue_manager { 547241f24f8SBen Goz /* data */ 548241f24f8SBen Goz struct kfd_process *process; 549241f24f8SBen Goz struct list_head queues; 550241f24f8SBen Goz unsigned long *queue_slot_bitmap; 551241f24f8SBen Goz }; 552241f24f8SBen Goz 553241f24f8SBen Goz struct qcm_process_device { 554241f24f8SBen Goz /* The Device Queue Manager that owns this data */ 555241f24f8SBen Goz struct device_queue_manager *dqm; 556241f24f8SBen Goz struct process_queue_manager *pqm; 557241f24f8SBen Goz /* Queues list */ 558241f24f8SBen Goz struct list_head queues_list; 559241f24f8SBen Goz struct list_head priv_queue_list; 560241f24f8SBen Goz 561241f24f8SBen Goz unsigned int queue_count; 562241f24f8SBen Goz unsigned int vmid; 563241f24f8SBen Goz bool is_debug; 56426103436SFelix Kuehling unsigned int evicted; /* eviction counter, 0=active */ 5659fd3f1bfSFelix Kuehling 5669fd3f1bfSFelix Kuehling /* This flag tells if we should reset all wavefronts on 5679fd3f1bfSFelix Kuehling * process termination 5689fd3f1bfSFelix Kuehling */ 5699fd3f1bfSFelix Kuehling bool reset_wavefronts; 5709fd3f1bfSFelix Kuehling 571b8020b03SJoseph Greathouse /* This flag tells us if this process has a GWS-capable 572b8020b03SJoseph Greathouse * queue that will be mapped into the runlist. It's 573b8020b03SJoseph Greathouse * possible to request a GWS BO, but not have the queue 574b8020b03SJoseph Greathouse * currently mapped, and this changes how the MAP_PROCESS 575b8020b03SJoseph Greathouse * PM4 packet is configured. 576b8020b03SJoseph Greathouse */ 577b8020b03SJoseph Greathouse bool mapped_gws_queue; 578b8020b03SJoseph Greathouse 579a4497974SRajneesh Bhardwaj /* All the memory management data should be here too */ 580241f24f8SBen Goz uint64_t gds_context_area; 581435e2f97SYong Zhao /* Contains page table flags such as AMDGPU_PTE_VALID since gfx9 */ 582e715c6d0SShaoyun Liu uint64_t page_table_base; 583241f24f8SBen Goz uint32_t sh_mem_config; 584241f24f8SBen Goz uint32_t sh_mem_bases; 585241f24f8SBen Goz uint32_t sh_mem_ape1_base; 586241f24f8SBen Goz uint32_t sh_mem_ape1_limit; 587241f24f8SBen Goz uint32_t gds_size; 588241f24f8SBen Goz uint32_t num_gws; 589241f24f8SBen Goz uint32_t num_oac; 5906a1c9510SMoses Reuben uint32_t sh_hidden_private_base; 591373d7080SFelix Kuehling 592373d7080SFelix Kuehling /* CWSR memory */ 593373d7080SFelix Kuehling void *cwsr_kaddr; 594d01994c2SFelix Kuehling uint64_t cwsr_base; 595373d7080SFelix Kuehling uint64_t tba_addr; 596373d7080SFelix Kuehling uint64_t tma_addr; 597d01994c2SFelix Kuehling 598d01994c2SFelix Kuehling /* IB memory */ 599d01994c2SFelix Kuehling uint64_t ib_base; 600552764b6SFelix Kuehling void *ib_kaddr; 601ef568db7SFelix Kuehling 602ef568db7SFelix Kuehling /* doorbell resources per process per device */ 603ef568db7SFelix Kuehling unsigned long *doorbell_bitmap; 604241f24f8SBen Goz }; 605241f24f8SBen Goz 60626103436SFelix Kuehling /* KFD Memory Eviction */ 60726103436SFelix Kuehling 60826103436SFelix Kuehling /* Approx. wait time before attempting to restore evicted BOs */ 60926103436SFelix Kuehling #define PROCESS_RESTORE_TIME_MS 100 61026103436SFelix Kuehling /* Approx. back off time if restore fails due to lack of memory */ 61126103436SFelix Kuehling #define PROCESS_BACK_OFF_TIME_MS 100 61226103436SFelix Kuehling /* Approx. time before evicting the process again */ 61326103436SFelix Kuehling #define PROCESS_ACTIVE_TIME_MS 10 61426103436SFelix Kuehling 6155ec7e028SFelix Kuehling /* 8 byte handle containing GPU ID in the most significant 4 bytes and 6165ec7e028SFelix Kuehling * idr_handle in the least significant 4 bytes 6175ec7e028SFelix Kuehling */ 6185ec7e028SFelix Kuehling #define MAKE_HANDLE(gpu_id, idr_handle) \ 6195ec7e028SFelix Kuehling (((uint64_t)(gpu_id) << 32) + idr_handle) 6205ec7e028SFelix Kuehling #define GET_GPU_ID(handle) (handle >> 32) 6215ec7e028SFelix Kuehling #define GET_IDR_HANDLE(handle) (handle & 0xFFFFFFFF) 6225ec7e028SFelix Kuehling 623733fa1f7SYong Zhao enum kfd_pdd_bound { 624733fa1f7SYong Zhao PDD_UNBOUND = 0, 625733fa1f7SYong Zhao PDD_BOUND, 626733fa1f7SYong Zhao PDD_BOUND_SUSPENDED, 627733fa1f7SYong Zhao }; 628733fa1f7SYong Zhao 62932cb59f3SMukul Joshi #define MAX_SYSFS_FILENAME_LEN 11 63032cb59f3SMukul Joshi 63132cb59f3SMukul Joshi /* 63232cb59f3SMukul Joshi * SDMA counter runs at 100MHz frequency. 63332cb59f3SMukul Joshi * We display SDMA activity in microsecond granularity in sysfs. 63432cb59f3SMukul Joshi * As a result, the divisor is 100. 63532cb59f3SMukul Joshi */ 63632cb59f3SMukul Joshi #define SDMA_ACTIVITY_DIVISOR 100 637d4566deeSMukul Joshi 63819f6d2a6SOded Gabbay /* Data that is per-process-per device. */ 63919f6d2a6SOded Gabbay struct kfd_process_device { 64019f6d2a6SOded Gabbay /* 64119f6d2a6SOded Gabbay * List of all per-device data for a process. 64219f6d2a6SOded Gabbay * Starts from kfd_process.per_device_data. 64319f6d2a6SOded Gabbay */ 64419f6d2a6SOded Gabbay struct list_head per_device_list; 64519f6d2a6SOded Gabbay 64619f6d2a6SOded Gabbay /* The device that owns this data. */ 64719f6d2a6SOded Gabbay struct kfd_dev *dev; 64819f6d2a6SOded Gabbay 6499fd3f1bfSFelix Kuehling /* The process that owns this kfd_process_device. */ 6509fd3f1bfSFelix Kuehling struct kfd_process *process; 65119f6d2a6SOded Gabbay 65245102048SBen Goz /* per-process-per device QCM data structure */ 65345102048SBen Goz struct qcm_process_device qpd; 65445102048SBen Goz 65519f6d2a6SOded Gabbay /*Apertures*/ 65619f6d2a6SOded Gabbay uint64_t lds_base; 65719f6d2a6SOded Gabbay uint64_t lds_limit; 65819f6d2a6SOded Gabbay uint64_t gpuvm_base; 65919f6d2a6SOded Gabbay uint64_t gpuvm_limit; 66019f6d2a6SOded Gabbay uint64_t scratch_base; 66119f6d2a6SOded Gabbay uint64_t scratch_limit; 66219f6d2a6SOded Gabbay 663403575c4SFelix Kuehling /* VM context for GPUVM allocations */ 664b84394e2SFelix Kuehling struct file *drm_file; 665403575c4SFelix Kuehling void *vm; 666403575c4SFelix Kuehling 66752b29d73SFelix Kuehling /* GPUVM allocations storage */ 66852b29d73SFelix Kuehling struct idr alloc_idr; 66952b29d73SFelix Kuehling 6709fd3f1bfSFelix Kuehling /* Flag used to tell the pdd has dequeued from the dqm. 6719fd3f1bfSFelix Kuehling * This is used to prevent dev->dqm->ops.process_termination() from 6729fd3f1bfSFelix Kuehling * being called twice when it is already called in IOMMU callback 6739fd3f1bfSFelix Kuehling * function. 674a82918f1SBen Goz */ 6759fd3f1bfSFelix Kuehling bool already_dequeued; 6769593f4d6SRajneesh Bhardwaj bool runtime_inuse; 67764d1c3a4SFelix Kuehling 67864d1c3a4SFelix Kuehling /* Is this process/pasid bound to this device? (amd_iommu_bind_pasid) */ 67964d1c3a4SFelix Kuehling enum kfd_pdd_bound bound; 680d4566deeSMukul Joshi 681d4566deeSMukul Joshi /* VRAM usage */ 682d4566deeSMukul Joshi uint64_t vram_usage; 683d4566deeSMukul Joshi struct attribute attr_vram; 68432cb59f3SMukul Joshi char vram_filename[MAX_SYSFS_FILENAME_LEN]; 68532cb59f3SMukul Joshi 68632cb59f3SMukul Joshi /* SDMA activity tracking */ 68732cb59f3SMukul Joshi uint64_t sdma_past_activity_counter; 68832cb59f3SMukul Joshi struct attribute attr_sdma; 68932cb59f3SMukul Joshi char sdma_filename[MAX_SYSFS_FILENAME_LEN]; 69019f6d2a6SOded Gabbay }; 69119f6d2a6SOded Gabbay 69252a5fdceSAlexey Skidanov #define qpd_to_pdd(x) container_of(x, struct kfd_process_device, qpd) 69352a5fdceSAlexey Skidanov 6944a488a7aSOded Gabbay /* Process data */ 6954a488a7aSOded Gabbay struct kfd_process { 69619f6d2a6SOded Gabbay /* 69719f6d2a6SOded Gabbay * kfd_process are stored in an mm_struct*->kfd_process* 69819f6d2a6SOded Gabbay * hash table (kfd_processes in kfd_process.c) 69919f6d2a6SOded Gabbay */ 70019f6d2a6SOded Gabbay struct hlist_node kfd_processes; 70119f6d2a6SOded Gabbay 7029b56bb11SFelix Kuehling /* 7039b56bb11SFelix Kuehling * Opaque pointer to mm_struct. We don't hold a reference to 7049b56bb11SFelix Kuehling * it so it should never be dereferenced from here. This is 7059b56bb11SFelix Kuehling * only used for looking up processes by their mm. 7069b56bb11SFelix Kuehling */ 7079b56bb11SFelix Kuehling void *mm; 70819f6d2a6SOded Gabbay 7095ce10687SFelix Kuehling struct kref ref; 7105ce10687SFelix Kuehling struct work_struct release_work; 7115ce10687SFelix Kuehling 71219f6d2a6SOded Gabbay struct mutex mutex; 71319f6d2a6SOded Gabbay 71419f6d2a6SOded Gabbay /* 71519f6d2a6SOded Gabbay * In any process, the thread that started main() is the lead 71619f6d2a6SOded Gabbay * thread and outlives the rest. 71719f6d2a6SOded Gabbay * It is here because amd_iommu_bind_pasid wants a task_struct. 718894a8293SFelix Kuehling * It can also be used for safely getting a reference to the 719894a8293SFelix Kuehling * mm_struct of the process. 72019f6d2a6SOded Gabbay */ 72119f6d2a6SOded Gabbay struct task_struct *lead_thread; 72219f6d2a6SOded Gabbay 72319f6d2a6SOded Gabbay /* We want to receive a notification when the mm_struct is destroyed */ 72419f6d2a6SOded Gabbay struct mmu_notifier mmu_notifier; 72519f6d2a6SOded Gabbay 726c7b6bac9SFenghua Yu u32 pasid; 727a91e70e3SFelix Kuehling unsigned int doorbell_index; 72819f6d2a6SOded Gabbay 72919f6d2a6SOded Gabbay /* 73019f6d2a6SOded Gabbay * List of kfd_process_device structures, 73119f6d2a6SOded Gabbay * one for each device the process is using. 73219f6d2a6SOded Gabbay */ 73319f6d2a6SOded Gabbay struct list_head per_device_data; 73419f6d2a6SOded Gabbay 73545102048SBen Goz struct process_queue_manager pqm; 73645102048SBen Goz 73719f6d2a6SOded Gabbay /*Is the user space process 32 bit?*/ 73819f6d2a6SOded Gabbay bool is_32bit_user_mode; 739f3a39818SAndrew Lewycky 740f3a39818SAndrew Lewycky /* Event-related data */ 741f3a39818SAndrew Lewycky struct mutex event_mutex; 742482f0777SFelix Kuehling /* Event ID allocator and lookup */ 743482f0777SFelix Kuehling struct idr event_idr; 74450cb7dd9SFelix Kuehling /* Event page */ 74550cb7dd9SFelix Kuehling struct kfd_signal_page *signal_page; 746b9a5d0a5SFelix Kuehling size_t signal_mapped_size; 747f3a39818SAndrew Lewycky size_t signal_event_count; 748c986169fSFelix Kuehling bool signal_event_limit_reached; 749403575c4SFelix Kuehling 750403575c4SFelix Kuehling /* Information used for memory eviction */ 751403575c4SFelix Kuehling void *kgd_process_info; 752403575c4SFelix Kuehling /* Eviction fence that is attached to all the BOs of this process. The 753403575c4SFelix Kuehling * fence will be triggered during eviction and new one will be created 754403575c4SFelix Kuehling * during restore 755403575c4SFelix Kuehling */ 756403575c4SFelix Kuehling struct dma_fence *ef; 75726103436SFelix Kuehling 75826103436SFelix Kuehling /* Work items for evicting and restoring BOs */ 75926103436SFelix Kuehling struct delayed_work eviction_work; 76026103436SFelix Kuehling struct delayed_work restore_work; 76126103436SFelix Kuehling /* seqno of the last scheduled eviction */ 76226103436SFelix Kuehling unsigned int last_eviction_seqno; 76326103436SFelix Kuehling /* Approx. the last timestamp (in jiffies) when the process was 76426103436SFelix Kuehling * restored after an eviction 76526103436SFelix Kuehling */ 76626103436SFelix Kuehling unsigned long last_restore_timestamp; 767de9f26bbSKent Russell 768de9f26bbSKent Russell /* Kobj for our procfs */ 769de9f26bbSKent Russell struct kobject *kobj; 7706d220a7eSAmber Lin struct kobject *kobj_queues; 771de9f26bbSKent Russell struct attribute attr_pasid; 7724a488a7aSOded Gabbay }; 7734a488a7aSOded Gabbay 77464d1c3a4SFelix Kuehling #define KFD_PROCESS_TABLE_SIZE 5 /* bits: 32 entries */ 77564d1c3a4SFelix Kuehling extern DECLARE_HASHTABLE(kfd_processes_table, KFD_PROCESS_TABLE_SIZE); 77664d1c3a4SFelix Kuehling extern struct srcu_struct kfd_processes_srcu; 77764d1c3a4SFelix Kuehling 77876baee6cSOded Gabbay /** 779a4497974SRajneesh Bhardwaj * typedef amdkfd_ioctl_t - typedef for ioctl function pointer. 78076baee6cSOded Gabbay * 781a4497974SRajneesh Bhardwaj * @filep: pointer to file structure. 782a4497974SRajneesh Bhardwaj * @p: amdkfd process pointer. 783a4497974SRajneesh Bhardwaj * @data: pointer to arg that was copied from user. 784a4497974SRajneesh Bhardwaj * 785a4497974SRajneesh Bhardwaj * Return: returns ioctl completion code. 78676baee6cSOded Gabbay */ 78776baee6cSOded Gabbay typedef int amdkfd_ioctl_t(struct file *filep, struct kfd_process *p, 78876baee6cSOded Gabbay void *data); 78976baee6cSOded Gabbay 79076baee6cSOded Gabbay struct amdkfd_ioctl_desc { 79176baee6cSOded Gabbay unsigned int cmd; 79276baee6cSOded Gabbay int flags; 79376baee6cSOded Gabbay amdkfd_ioctl_t *func; 79476baee6cSOded Gabbay unsigned int cmd_drv; 79576baee6cSOded Gabbay const char *name; 79676baee6cSOded Gabbay }; 79767f7cf9fSshaoyunl bool kfd_dev_is_large_bar(struct kfd_dev *dev); 79876baee6cSOded Gabbay 7991679ae8fSFelix Kuehling int kfd_process_create_wq(void); 80019f6d2a6SOded Gabbay void kfd_process_destroy_wq(void); 801373d7080SFelix Kuehling struct kfd_process *kfd_create_process(struct file *filep); 80219f6d2a6SOded Gabbay struct kfd_process *kfd_get_process(const struct task_struct *); 803c7b6bac9SFenghua Yu struct kfd_process *kfd_lookup_process_by_pasid(u32 pasid); 80426103436SFelix Kuehling struct kfd_process *kfd_lookup_process_by_mm(const struct mm_struct *mm); 805abb208a8SFelix Kuehling void kfd_unref_process(struct kfd_process *p); 8066b95e797SFelix Kuehling int kfd_process_evict_queues(struct kfd_process *p); 8076b95e797SFelix Kuehling int kfd_process_restore_queues(struct kfd_process *p); 80826103436SFelix Kuehling void kfd_suspend_all_processes(void); 80926103436SFelix Kuehling int kfd_resume_all_processes(void); 81019f6d2a6SOded Gabbay 811b84394e2SFelix Kuehling int kfd_process_device_init_vm(struct kfd_process_device *pdd, 812b84394e2SFelix Kuehling struct file *drm_file); 81364c7f8cfSBen Goz struct kfd_process_device *kfd_bind_process_to_device(struct kfd_dev *dev, 81464c7f8cfSBen Goz struct kfd_process *p); 81519f6d2a6SOded Gabbay struct kfd_process_device *kfd_get_process_device_data(struct kfd_dev *dev, 816093c7d8cSAlexey Skidanov struct kfd_process *p); 817093c7d8cSAlexey Skidanov struct kfd_process_device *kfd_create_process_device_data(struct kfd_dev *dev, 818093c7d8cSAlexey Skidanov struct kfd_process *p); 81919f6d2a6SOded Gabbay 820df03ef93SHarish Kasiviswanathan int kfd_reserved_mem_mmap(struct kfd_dev *dev, struct kfd_process *process, 821373d7080SFelix Kuehling struct vm_area_struct *vma); 822373d7080SFelix Kuehling 82352b29d73SFelix Kuehling /* KFD process API for creating and translating handles */ 82452b29d73SFelix Kuehling int kfd_process_device_create_obj_handle(struct kfd_process_device *pdd, 82552b29d73SFelix Kuehling void *mem); 82652b29d73SFelix Kuehling void *kfd_process_device_translate_handle(struct kfd_process_device *p, 82752b29d73SFelix Kuehling int handle); 82852b29d73SFelix Kuehling void kfd_process_device_remove_obj_handle(struct kfd_process_device *pdd, 82952b29d73SFelix Kuehling int handle); 83052b29d73SFelix Kuehling 831775921edSAlexey Skidanov /* Process device data iterator */ 8328eabaf54SKent Russell struct kfd_process_device *kfd_get_first_process_device_data( 8338eabaf54SKent Russell struct kfd_process *p); 8348eabaf54SKent Russell struct kfd_process_device *kfd_get_next_process_device_data( 8358eabaf54SKent Russell struct kfd_process *p, 836775921edSAlexey Skidanov struct kfd_process_device *pdd); 837775921edSAlexey Skidanov bool kfd_has_process_device_data(struct kfd_process *p); 838775921edSAlexey Skidanov 83919f6d2a6SOded Gabbay /* PASIDs */ 84019f6d2a6SOded Gabbay int kfd_pasid_init(void); 84119f6d2a6SOded Gabbay void kfd_pasid_exit(void); 84219f6d2a6SOded Gabbay bool kfd_set_pasid_limit(unsigned int new_limit); 84319f6d2a6SOded Gabbay unsigned int kfd_get_pasid_limit(void); 844c7b6bac9SFenghua Yu u32 kfd_pasid_alloc(void); 845c7b6bac9SFenghua Yu void kfd_pasid_free(u32 pasid); 84619f6d2a6SOded Gabbay 84719f6d2a6SOded Gabbay /* Doorbells */ 848ef568db7SFelix Kuehling size_t kfd_doorbell_process_slice(struct kfd_dev *kfd); 849735df2baSFelix Kuehling int kfd_doorbell_init(struct kfd_dev *kfd); 850735df2baSFelix Kuehling void kfd_doorbell_fini(struct kfd_dev *kfd); 851df03ef93SHarish Kasiviswanathan int kfd_doorbell_mmap(struct kfd_dev *dev, struct kfd_process *process, 852df03ef93SHarish Kasiviswanathan struct vm_area_struct *vma); 853ada2b29cSFelix Kuehling void __iomem *kfd_get_kernel_doorbell(struct kfd_dev *kfd, 85419f6d2a6SOded Gabbay unsigned int *doorbell_off); 85519f6d2a6SOded Gabbay void kfd_release_kernel_doorbell(struct kfd_dev *kfd, u32 __iomem *db_addr); 85619f6d2a6SOded Gabbay u32 read_kernel_doorbell(u32 __iomem *db); 857ada2b29cSFelix Kuehling void write_kernel_doorbell(void __iomem *db, u32 value); 8589d7d0248SFelix Kuehling void write_kernel_doorbell64(void __iomem *db, u64 value); 859339903faSYong Zhao unsigned int kfd_get_doorbell_dw_offset_in_bar(struct kfd_dev *kfd, 86019f6d2a6SOded Gabbay struct kfd_process *process, 861ef568db7SFelix Kuehling unsigned int doorbell_id); 862a91e70e3SFelix Kuehling phys_addr_t kfd_get_process_doorbells(struct kfd_dev *dev, 863a91e70e3SFelix Kuehling struct kfd_process *process); 864a91e70e3SFelix Kuehling int kfd_alloc_process_doorbells(struct kfd_process *process); 865a91e70e3SFelix Kuehling void kfd_free_process_doorbells(struct kfd_process *process); 86619f6d2a6SOded Gabbay 8676e81090bSOded Gabbay /* GTT Sub-Allocator */ 8686e81090bSOded Gabbay 8696e81090bSOded Gabbay int kfd_gtt_sa_allocate(struct kfd_dev *kfd, unsigned int size, 8706e81090bSOded Gabbay struct kfd_mem_obj **mem_obj); 8716e81090bSOded Gabbay 8726e81090bSOded Gabbay int kfd_gtt_sa_free(struct kfd_dev *kfd, struct kfd_mem_obj *mem_obj); 8736e81090bSOded Gabbay 8744a488a7aSOded Gabbay extern struct device *kfd_device; 8754a488a7aSOded Gabbay 876de9f26bbSKent Russell /* KFD's procfs */ 877de9f26bbSKent Russell void kfd_procfs_init(void); 878de9f26bbSKent Russell void kfd_procfs_shutdown(void); 8796d220a7eSAmber Lin int kfd_procfs_add_queue(struct queue *q); 8806d220a7eSAmber Lin void kfd_procfs_del_queue(struct queue *q); 881de9f26bbSKent Russell 8825b5c4e40SEvgeny Pinchuk /* Topology */ 8835b5c4e40SEvgeny Pinchuk int kfd_topology_init(void); 8845b5c4e40SEvgeny Pinchuk void kfd_topology_shutdown(void); 8855b5c4e40SEvgeny Pinchuk int kfd_topology_add_device(struct kfd_dev *gpu); 8865b5c4e40SEvgeny Pinchuk int kfd_topology_remove_device(struct kfd_dev *gpu); 8873a87177eSHarish Kasiviswanathan struct kfd_topology_device *kfd_topology_device_by_proximity_domain( 8883a87177eSHarish Kasiviswanathan uint32_t proximity_domain); 88944d8cc6fSYong Zhao struct kfd_topology_device *kfd_topology_device_by_id(uint32_t gpu_id); 8905b5c4e40SEvgeny Pinchuk struct kfd_dev *kfd_device_by_id(uint32_t gpu_id); 8915b5c4e40SEvgeny Pinchuk struct kfd_dev *kfd_device_by_pci_dev(const struct pci_dev *pdev); 8921dde0ea9SFelix Kuehling struct kfd_dev *kfd_device_by_kgd(const struct kgd_dev *kgd); 8936d82eb0eSHarish Kasiviswanathan int kfd_topology_enum_kfd_devices(uint8_t idx, struct kfd_dev **kdev); 894520b8fb7SFelix Kuehling int kfd_numa_node_to_apic_id(int numa_node_id); 8955b5c4e40SEvgeny Pinchuk 8964a488a7aSOded Gabbay /* Interrupts */ 8972249d558SAndrew Lewycky int kfd_interrupt_init(struct kfd_dev *dev); 8982249d558SAndrew Lewycky void kfd_interrupt_exit(struct kfd_dev *dev); 8992249d558SAndrew Lewycky bool enqueue_ih_ring_entry(struct kfd_dev *kfd, const void *ih_ring_entry); 90058e69886SLan Xiao bool interrupt_is_wanted(struct kfd_dev *dev, 90158e69886SLan Xiao const uint32_t *ih_ring_entry, 90258e69886SLan Xiao uint32_t *patched_ihre, bool *flag); 9034a488a7aSOded Gabbay 90419f6d2a6SOded Gabbay /* amdkfd Apertures */ 90519f6d2a6SOded Gabbay int kfd_init_apertures(struct kfd_process *process); 90619f6d2a6SOded Gabbay 907ed6e6a34SBen Goz /* Queue Context Management */ 908e88a614cSEdward O'Callaghan int init_queue(struct queue **q, const struct queue_properties *properties); 909ed6e6a34SBen Goz void uninit_queue(struct queue *q); 91045102048SBen Goz void print_queue_properties(struct queue_properties *q); 911ed6e6a34SBen Goz void print_queue(struct queue *q); 912ed6e6a34SBen Goz 9134b8f589bSBen Goz struct mqd_manager *mqd_manager_init_cik(enum KFD_MQD_TYPE type, 9144b8f589bSBen Goz struct kfd_dev *dev); 915ee04955aSFelix Kuehling struct mqd_manager *mqd_manager_init_cik_hawaii(enum KFD_MQD_TYPE type, 916ee04955aSFelix Kuehling struct kfd_dev *dev); 9174b8f589bSBen Goz struct mqd_manager *mqd_manager_init_vi(enum KFD_MQD_TYPE type, 9184b8f589bSBen Goz struct kfd_dev *dev); 919ee04955aSFelix Kuehling struct mqd_manager *mqd_manager_init_vi_tonga(enum KFD_MQD_TYPE type, 920ee04955aSFelix Kuehling struct kfd_dev *dev); 921b91d43ddSFelix Kuehling struct mqd_manager *mqd_manager_init_v9(enum KFD_MQD_TYPE type, 922b91d43ddSFelix Kuehling struct kfd_dev *dev); 92314328aa5SPhilip Cox struct mqd_manager *mqd_manager_init_v10(enum KFD_MQD_TYPE type, 92414328aa5SPhilip Cox struct kfd_dev *dev); 92564c7f8cfSBen Goz struct device_queue_manager *device_queue_manager_init(struct kfd_dev *dev); 92664c7f8cfSBen Goz void device_queue_manager_uninit(struct device_queue_manager *dqm); 927241f24f8SBen Goz struct kernel_queue *kernel_queue_init(struct kfd_dev *dev, 928241f24f8SBen Goz enum kfd_queue_type type); 929c2a77fdeSFelix Kuehling void kernel_queue_uninit(struct kernel_queue *kq, bool hanging); 930c7b6bac9SFenghua Yu int kfd_process_vm_fault(struct device_queue_manager *dqm, u32 pasid); 931241f24f8SBen Goz 93245102048SBen Goz /* Process Queue Manager */ 93345102048SBen Goz struct process_queue_node { 93445102048SBen Goz struct queue *q; 93545102048SBen Goz struct kernel_queue *kq; 93645102048SBen Goz struct list_head process_queue_list; 93745102048SBen Goz }; 93845102048SBen Goz 9399fd3f1bfSFelix Kuehling void kfd_process_dequeue_from_device(struct kfd_process_device *pdd); 9409fd3f1bfSFelix Kuehling void kfd_process_dequeue_from_all_devices(struct kfd_process *p); 94145102048SBen Goz int pqm_init(struct process_queue_manager *pqm, struct kfd_process *p); 94245102048SBen Goz void pqm_uninit(struct process_queue_manager *pqm); 94345102048SBen Goz int pqm_create_queue(struct process_queue_manager *pqm, 94445102048SBen Goz struct kfd_dev *dev, 94545102048SBen Goz struct file *f, 94645102048SBen Goz struct queue_properties *properties, 947e47a8b52SYong Zhao unsigned int *qid, 948e47a8b52SYong Zhao uint32_t *p_doorbell_offset_in_process); 94945102048SBen Goz int pqm_destroy_queue(struct process_queue_manager *pqm, unsigned int qid); 95045102048SBen Goz int pqm_update_queue(struct process_queue_manager *pqm, unsigned int qid, 95145102048SBen Goz struct queue_properties *p); 95239e7f331SFelix Kuehling int pqm_set_cu_mask(struct process_queue_manager *pqm, unsigned int qid, 95339e7f331SFelix Kuehling struct queue_properties *p); 954eb82da1dSOak Zeng int pqm_set_gws(struct process_queue_manager *pqm, unsigned int qid, 955eb82da1dSOak Zeng void *gws); 956fbeb661bSYair Shachar struct kernel_queue *pqm_get_kernel_queue(struct process_queue_manager *pqm, 957fbeb661bSYair Shachar unsigned int qid); 9585bb4b78bSOak Zeng struct queue *pqm_get_user_queue(struct process_queue_manager *pqm, 9595bb4b78bSOak Zeng unsigned int qid); 9605df099e8SJay Cornwall int pqm_get_wave_state(struct process_queue_manager *pqm, 9615df099e8SJay Cornwall unsigned int qid, 9625df099e8SJay Cornwall void __user *ctl_stack, 9635df099e8SJay Cornwall u32 *ctl_stack_used_size, 9645df099e8SJay Cornwall u32 *save_area_used_size); 96545102048SBen Goz 966788bf83dSYair Shachar int amdkfd_fence_wait_timeout(unsigned int *fence_addr, 967788bf83dSYair Shachar unsigned int fence_value, 9688c72c3d7SYong Zhao unsigned int timeout_ms); 969788bf83dSYair Shachar 970ed6e6a34SBen Goz /* Packet Manager */ 971ed6e6a34SBen Goz 97264c7f8cfSBen Goz #define KFD_FENCE_COMPLETED (100) 97364c7f8cfSBen Goz #define KFD_FENCE_INIT (10) 974241f24f8SBen Goz 975ed6e6a34SBen Goz struct packet_manager { 976ed6e6a34SBen Goz struct device_queue_manager *dqm; 977ed6e6a34SBen Goz struct kernel_queue *priv_queue; 978ed6e6a34SBen Goz struct mutex lock; 979ed6e6a34SBen Goz bool allocated; 980ed6e6a34SBen Goz struct kfd_mem_obj *ib_buffer_obj; 981851a645eSFelix Kuehling unsigned int ib_size_bytes; 982819ec5acSFelix Kuehling bool is_over_subscription; 983f6e27ff1SFelix Kuehling 984f6e27ff1SFelix Kuehling const struct packet_manager_funcs *pmf; 985ed6e6a34SBen Goz }; 986ed6e6a34SBen Goz 987f6e27ff1SFelix Kuehling struct packet_manager_funcs { 988f6e27ff1SFelix Kuehling /* Support ASIC-specific packet formats for PM4 packets */ 989f6e27ff1SFelix Kuehling int (*map_process)(struct packet_manager *pm, uint32_t *buffer, 990f6e27ff1SFelix Kuehling struct qcm_process_device *qpd); 991f6e27ff1SFelix Kuehling int (*runlist)(struct packet_manager *pm, uint32_t *buffer, 992f6e27ff1SFelix Kuehling uint64_t ib, size_t ib_size_in_dwords, bool chain); 993f6e27ff1SFelix Kuehling int (*set_resources)(struct packet_manager *pm, uint32_t *buffer, 994f6e27ff1SFelix Kuehling struct scheduling_resources *res); 995f6e27ff1SFelix Kuehling int (*map_queues)(struct packet_manager *pm, uint32_t *buffer, 996f6e27ff1SFelix Kuehling struct queue *q, bool is_static); 997f6e27ff1SFelix Kuehling int (*unmap_queues)(struct packet_manager *pm, uint32_t *buffer, 998f6e27ff1SFelix Kuehling enum kfd_queue_type type, 999f6e27ff1SFelix Kuehling enum kfd_unmap_queues_filter mode, 1000f6e27ff1SFelix Kuehling uint32_t filter_param, bool reset, 1001f6e27ff1SFelix Kuehling unsigned int sdma_engine); 1002f6e27ff1SFelix Kuehling int (*query_status)(struct packet_manager *pm, uint32_t *buffer, 1003f6e27ff1SFelix Kuehling uint64_t fence_address, uint32_t fence_value); 1004f6e27ff1SFelix Kuehling int (*release_mem)(uint64_t gpu_addr, uint32_t *buffer); 1005f6e27ff1SFelix Kuehling 1006f6e27ff1SFelix Kuehling /* Packet sizes */ 1007f6e27ff1SFelix Kuehling int map_process_size; 1008f6e27ff1SFelix Kuehling int runlist_size; 1009f6e27ff1SFelix Kuehling int set_resources_size; 1010f6e27ff1SFelix Kuehling int map_queues_size; 1011f6e27ff1SFelix Kuehling int unmap_queues_size; 1012f6e27ff1SFelix Kuehling int query_status_size; 1013f6e27ff1SFelix Kuehling int release_mem_size; 1014f6e27ff1SFelix Kuehling }; 1015f6e27ff1SFelix Kuehling 1016f6e27ff1SFelix Kuehling extern const struct packet_manager_funcs kfd_vi_pm_funcs; 1017454150b1SFelix Kuehling extern const struct packet_manager_funcs kfd_v9_pm_funcs; 1018f6e27ff1SFelix Kuehling 101964c7f8cfSBen Goz int pm_init(struct packet_manager *pm, struct device_queue_manager *dqm); 1020c2a77fdeSFelix Kuehling void pm_uninit(struct packet_manager *pm, bool hanging); 102164c7f8cfSBen Goz int pm_send_set_resources(struct packet_manager *pm, 102264c7f8cfSBen Goz struct scheduling_resources *res); 102364c7f8cfSBen Goz int pm_send_runlist(struct packet_manager *pm, struct list_head *dqm_queues); 102464c7f8cfSBen Goz int pm_send_query_status(struct packet_manager *pm, uint64_t fence_address, 102564c7f8cfSBen Goz uint32_t fence_value); 102664c7f8cfSBen Goz 102764c7f8cfSBen Goz int pm_send_unmap_queue(struct packet_manager *pm, enum kfd_queue_type type, 10287da2bcf8SYong Zhao enum kfd_unmap_queues_filter mode, 102964c7f8cfSBen Goz uint32_t filter_param, bool reset, 103064c7f8cfSBen Goz unsigned int sdma_engine); 103164c7f8cfSBen Goz 1032241f24f8SBen Goz void pm_release_ib(struct packet_manager *pm); 1033241f24f8SBen Goz 1034454150b1SFelix Kuehling /* Following PM funcs can be shared among VI and AI */ 1035454150b1SFelix Kuehling unsigned int pm_build_pm4_header(unsigned int opcode, size_t packet_size); 103614328aa5SPhilip Cox 103719f6d2a6SOded Gabbay uint64_t kfd_get_number_elems(struct kfd_dev *kfd); 103819f6d2a6SOded Gabbay 1039f3a39818SAndrew Lewycky /* Events */ 1040f3a39818SAndrew Lewycky extern const struct kfd_event_interrupt_class event_interrupt_class_cik; 1041ca750681SFelix Kuehling extern const struct kfd_event_interrupt_class event_interrupt_class_v9; 1042ca750681SFelix Kuehling 1043930c5ff4SAlexey Skidanov extern const struct kfd_device_global_init_class device_global_init_class_cik; 1044f3a39818SAndrew Lewycky 1045f3a39818SAndrew Lewycky void kfd_event_init_process(struct kfd_process *p); 1046f3a39818SAndrew Lewycky void kfd_event_free_process(struct kfd_process *p); 1047f3a39818SAndrew Lewycky int kfd_event_mmap(struct kfd_process *process, struct vm_area_struct *vma); 1048f3a39818SAndrew Lewycky int kfd_wait_on_events(struct kfd_process *p, 104959d3e8beSAlexey Skidanov uint32_t num_events, void __user *data, 1050f3a39818SAndrew Lewycky bool all, uint32_t user_timeout_ms, 1051fdf0c833SFelix Kuehling uint32_t *wait_result); 1052c7b6bac9SFenghua Yu void kfd_signal_event_interrupt(u32 pasid, uint32_t partial_id, 1053f3a39818SAndrew Lewycky uint32_t valid_id_bits); 105459d3e8beSAlexey Skidanov void kfd_signal_iommu_event(struct kfd_dev *dev, 1055c7b6bac9SFenghua Yu u32 pasid, unsigned long address, 105659d3e8beSAlexey Skidanov bool is_write_requested, bool is_execute_requested); 1057c7b6bac9SFenghua Yu void kfd_signal_hw_exception_event(u32 pasid); 1058f3a39818SAndrew Lewycky int kfd_set_event(struct kfd_process *p, uint32_t event_id); 1059f3a39818SAndrew Lewycky int kfd_reset_event(struct kfd_process *p, uint32_t event_id); 10600fc8011fSFelix Kuehling int kfd_event_page_set(struct kfd_process *p, void *kernel_address, 10610fc8011fSFelix Kuehling uint64_t size); 1062f3a39818SAndrew Lewycky int kfd_event_create(struct file *devkfd, struct kfd_process *p, 1063f3a39818SAndrew Lewycky uint32_t event_type, bool auto_reset, uint32_t node_id, 1064f3a39818SAndrew Lewycky uint32_t *event_id, uint32_t *event_trigger_data, 1065f3a39818SAndrew Lewycky uint64_t *event_page_offset, uint32_t *event_slot_index); 1066f3a39818SAndrew Lewycky int kfd_event_destroy(struct kfd_process *p, uint32_t event_id); 1067f3a39818SAndrew Lewycky 1068c7b6bac9SFenghua Yu void kfd_signal_vm_fault_event(struct kfd_dev *dev, u32 pasid, 10692640c3faSshaoyunl struct kfd_vm_fault_info *info); 10702640c3faSshaoyunl 1071e42051d2SShaoyun Liu void kfd_signal_reset_event(struct kfd_dev *dev); 1072e42051d2SShaoyun Liu 1073403575c4SFelix Kuehling void kfd_flush_tlb(struct kfd_process_device *pdd); 1074403575c4SFelix Kuehling 1075c3447e81SBen Goz int dbgdev_wave_reset_wavefronts(struct kfd_dev *dev, struct kfd_process *p); 1076c3447e81SBen Goz 1077e42051d2SShaoyun Liu bool kfd_is_locked(void); 1078e42051d2SShaoyun Liu 1079f756e631SHarish Kasiviswanathan /* Compute profile */ 1080f756e631SHarish Kasiviswanathan void kfd_inc_compute_active(struct kfd_dev *dev); 1081f756e631SHarish Kasiviswanathan void kfd_dec_compute_active(struct kfd_dev *dev); 1082f756e631SHarish Kasiviswanathan 10836b855f7bSHarish Kasiviswanathan /* Cgroup Support */ 10846b855f7bSHarish Kasiviswanathan /* Check with device cgroup if @kfd device is accessible */ 10856b855f7bSHarish Kasiviswanathan static inline int kfd_devcgroup_check_permission(struct kfd_dev *kfd) 10866b855f7bSHarish Kasiviswanathan { 1087eec8fd02SOdin Ugedal #if defined(CONFIG_CGROUP_DEVICE) || defined(CONFIG_CGROUP_BPF) 10886b855f7bSHarish Kasiviswanathan struct drm_device *ddev = kfd->ddev; 10896b855f7bSHarish Kasiviswanathan 109099c7b309SLorenz Brun return devcgroup_check_permission(DEVCG_DEV_CHAR, DRM_MAJOR, 10916b855f7bSHarish Kasiviswanathan ddev->render->index, 10926b855f7bSHarish Kasiviswanathan DEVCG_ACC_WRITE | DEVCG_ACC_READ); 10936b855f7bSHarish Kasiviswanathan #else 10946b855f7bSHarish Kasiviswanathan return 0; 10956b855f7bSHarish Kasiviswanathan #endif 10966b855f7bSHarish Kasiviswanathan } 10976b855f7bSHarish Kasiviswanathan 1098851a645eSFelix Kuehling /* Debugfs */ 1099851a645eSFelix Kuehling #if defined(CONFIG_DEBUG_FS) 1100851a645eSFelix Kuehling 1101851a645eSFelix Kuehling void kfd_debugfs_init(void); 1102851a645eSFelix Kuehling void kfd_debugfs_fini(void); 1103851a645eSFelix Kuehling int kfd_debugfs_mqds_by_process(struct seq_file *m, void *data); 1104851a645eSFelix Kuehling int pqm_debugfs_mqds(struct seq_file *m, void *data); 1105851a645eSFelix Kuehling int kfd_debugfs_hqds_by_device(struct seq_file *m, void *data); 1106851a645eSFelix Kuehling int dqm_debugfs_hqds(struct seq_file *m, void *data); 1107851a645eSFelix Kuehling int kfd_debugfs_rls_by_device(struct seq_file *m, void *data); 1108851a645eSFelix Kuehling int pm_debugfs_runlist(struct seq_file *m, void *data); 1109851a645eSFelix Kuehling 1110a29ec470SShaoyun Liu int kfd_debugfs_hang_hws(struct kfd_dev *dev); 1111a29ec470SShaoyun Liu int pm_debugfs_hang_hws(struct packet_manager *pm); 1112a29ec470SShaoyun Liu int dqm_debugfs_execute_queues(struct device_queue_manager *dqm); 1113a29ec470SShaoyun Liu 1114851a645eSFelix Kuehling #else 1115851a645eSFelix Kuehling 1116851a645eSFelix Kuehling static inline void kfd_debugfs_init(void) {} 1117851a645eSFelix Kuehling static inline void kfd_debugfs_fini(void) {} 1118851a645eSFelix Kuehling 1119851a645eSFelix Kuehling #endif 1120851a645eSFelix Kuehling 11214a488a7aSOded Gabbay #endif 1122