14a488a7aSOded Gabbay /* 24a488a7aSOded Gabbay * Copyright 2014 Advanced Micro Devices, Inc. 34a488a7aSOded Gabbay * 44a488a7aSOded Gabbay * Permission is hereby granted, free of charge, to any person obtaining a 54a488a7aSOded Gabbay * copy of this software and associated documentation files (the "Software"), 64a488a7aSOded Gabbay * to deal in the Software without restriction, including without limitation 74a488a7aSOded Gabbay * the rights to use, copy, modify, merge, publish, distribute, sublicense, 84a488a7aSOded Gabbay * and/or sell copies of the Software, and to permit persons to whom the 94a488a7aSOded Gabbay * Software is furnished to do so, subject to the following conditions: 104a488a7aSOded Gabbay * 114a488a7aSOded Gabbay * The above copyright notice and this permission notice shall be included in 124a488a7aSOded Gabbay * all copies or substantial portions of the Software. 134a488a7aSOded Gabbay * 144a488a7aSOded Gabbay * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 154a488a7aSOded Gabbay * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 164a488a7aSOded Gabbay * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 174a488a7aSOded Gabbay * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 184a488a7aSOded Gabbay * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 194a488a7aSOded Gabbay * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 204a488a7aSOded Gabbay * OTHER DEALINGS IN THE SOFTWARE. 214a488a7aSOded Gabbay */ 224a488a7aSOded Gabbay 234a488a7aSOded Gabbay #ifndef KFD_PRIV_H_INCLUDED 244a488a7aSOded Gabbay #define KFD_PRIV_H_INCLUDED 254a488a7aSOded Gabbay 264a488a7aSOded Gabbay #include <linux/hashtable.h> 274a488a7aSOded Gabbay #include <linux/mmu_notifier.h> 284a488a7aSOded Gabbay #include <linux/mutex.h> 294a488a7aSOded Gabbay #include <linux/types.h> 304a488a7aSOded Gabbay #include <linux/atomic.h> 314a488a7aSOded Gabbay #include <linux/workqueue.h> 324a488a7aSOded Gabbay #include <linux/spinlock.h> 3319f6d2a6SOded Gabbay #include <linux/kfd_ioctl.h> 34482f0777SFelix Kuehling #include <linux/idr.h> 3504ad47bdSAndres Rodriguez #include <linux/kfifo.h> 36851a645eSFelix Kuehling #include <linux/seq_file.h> 375ce10687SFelix Kuehling #include <linux/kref.h> 384a488a7aSOded Gabbay #include <kgd_kfd_interface.h> 394a488a7aSOded Gabbay 40e596b903SYong Zhao #include "amd_shared.h" 41e596b903SYong Zhao 42af47b390SLaura Abbott #define KFD_MAX_RING_ENTRY_SIZE 8 43af47b390SLaura Abbott 445b5c4e40SEvgeny Pinchuk #define KFD_SYSFS_FILE_MODE 0444 455b5c4e40SEvgeny Pinchuk 46df03ef93SHarish Kasiviswanathan /* GPU ID hash width in bits */ 47df03ef93SHarish Kasiviswanathan #define KFD_GPU_ID_HASH_WIDTH 16 48df03ef93SHarish Kasiviswanathan 49df03ef93SHarish Kasiviswanathan /* Use upper bits of mmap offset to store KFD driver specific information. 50df03ef93SHarish Kasiviswanathan * BITS[63:62] - Encode MMAP type 51df03ef93SHarish Kasiviswanathan * BITS[61:46] - Encode gpu_id. To identify to which GPU the offset belongs to 52df03ef93SHarish Kasiviswanathan * BITS[45:0] - MMAP offset value 53df03ef93SHarish Kasiviswanathan * 54df03ef93SHarish Kasiviswanathan * NOTE: struct vm_area_struct.vm_pgoff uses offset in pages. Hence, these 55df03ef93SHarish Kasiviswanathan * defines are w.r.t to PAGE_SIZE 56df03ef93SHarish Kasiviswanathan */ 57df03ef93SHarish Kasiviswanathan #define KFD_MMAP_TYPE_SHIFT (62 - PAGE_SHIFT) 58df03ef93SHarish Kasiviswanathan #define KFD_MMAP_TYPE_MASK (0x3ULL << KFD_MMAP_TYPE_SHIFT) 59df03ef93SHarish Kasiviswanathan #define KFD_MMAP_TYPE_DOORBELL (0x3ULL << KFD_MMAP_TYPE_SHIFT) 60df03ef93SHarish Kasiviswanathan #define KFD_MMAP_TYPE_EVENTS (0x2ULL << KFD_MMAP_TYPE_SHIFT) 61df03ef93SHarish Kasiviswanathan #define KFD_MMAP_TYPE_RESERVED_MEM (0x1ULL << KFD_MMAP_TYPE_SHIFT) 62d33ea570SOak Zeng #define KFD_MMAP_TYPE_MMIO (0x0ULL << KFD_MMAP_TYPE_SHIFT) 63df03ef93SHarish Kasiviswanathan 64df03ef93SHarish Kasiviswanathan #define KFD_MMAP_GPU_ID_SHIFT (46 - PAGE_SHIFT) 65df03ef93SHarish Kasiviswanathan #define KFD_MMAP_GPU_ID_MASK (((1ULL << KFD_GPU_ID_HASH_WIDTH) - 1) \ 66df03ef93SHarish Kasiviswanathan << KFD_MMAP_GPU_ID_SHIFT) 67df03ef93SHarish Kasiviswanathan #define KFD_MMAP_GPU_ID(gpu_id) ((((uint64_t)gpu_id) << KFD_MMAP_GPU_ID_SHIFT)\ 68df03ef93SHarish Kasiviswanathan & KFD_MMAP_GPU_ID_MASK) 69df03ef93SHarish Kasiviswanathan #define KFD_MMAP_GPU_ID_GET(offset) ((offset & KFD_MMAP_GPU_ID_MASK) \ 70df03ef93SHarish Kasiviswanathan >> KFD_MMAP_GPU_ID_SHIFT) 71df03ef93SHarish Kasiviswanathan 72df03ef93SHarish Kasiviswanathan #define KFD_MMAP_OFFSET_VALUE_MASK (0x3FFFFFFFFFFFULL >> PAGE_SHIFT) 73df03ef93SHarish Kasiviswanathan #define KFD_MMAP_OFFSET_VALUE_GET(offset) (offset & KFD_MMAP_OFFSET_VALUE_MASK) 74f3a39818SAndrew Lewycky 75ed6e6a34SBen Goz /* 76ed6e6a34SBen Goz * When working with cp scheduler we should assign the HIQ manually or via 77e7016d8eSYong Zhao * the amdgpu driver to a fixed hqd slot, here are the fixed HIQ hqd slot 78ed6e6a34SBen Goz * definitions for Kaveri. In Kaveri only the first ME queues participates 79ed6e6a34SBen Goz * in the cp scheduling taking that in mind we set the HIQ slot in the 80ed6e6a34SBen Goz * second ME. 81ed6e6a34SBen Goz */ 82ed6e6a34SBen Goz #define KFD_CIK_HIQ_PIPE 4 83ed6e6a34SBen Goz #define KFD_CIK_HIQ_QUEUE 0 84ed6e6a34SBen Goz 855b5c4e40SEvgeny Pinchuk /* Macro for allocating structures */ 865b5c4e40SEvgeny Pinchuk #define kfd_alloc_struct(ptr_to_struct) \ 875b5c4e40SEvgeny Pinchuk ((typeof(ptr_to_struct)) kzalloc(sizeof(*ptr_to_struct), GFP_KERNEL)) 885b5c4e40SEvgeny Pinchuk 8919f6d2a6SOded Gabbay #define KFD_MAX_NUM_OF_PROCESSES 512 90b8cbab04SOded Gabbay #define KFD_MAX_NUM_OF_QUEUES_PER_PROCESS 1024 9119f6d2a6SOded Gabbay 9219f6d2a6SOded Gabbay /* 93373d7080SFelix Kuehling * Size of the per-process TBA+TMA buffer: 2 pages 94373d7080SFelix Kuehling * 95373d7080SFelix Kuehling * The first page is the TBA used for the CWSR ISA code. The second 96373d7080SFelix Kuehling * page is used as TMA for daisy changing a user-mode trap handler. 97373d7080SFelix Kuehling */ 98373d7080SFelix Kuehling #define KFD_CWSR_TBA_TMA_SIZE (PAGE_SIZE * 2) 99373d7080SFelix Kuehling #define KFD_CWSR_TMA_OFFSET PAGE_SIZE 100373d7080SFelix Kuehling 10174523943SYong Zhao #define KFD_MAX_NUM_OF_QUEUES_PER_DEVICE \ 10274523943SYong Zhao (KFD_MAX_NUM_OF_PROCESSES * \ 10374523943SYong Zhao KFD_MAX_NUM_OF_QUEUES_PER_PROCESS) 10474523943SYong Zhao 10574523943SYong Zhao #define KFD_KERNEL_QUEUE_SIZE 2048 10674523943SYong Zhao 107373d7080SFelix Kuehling /* 1081f86805aSYong Zhao * 512 = 0x200 1091f86805aSYong Zhao * The doorbell index distance between SDMA RLC (2*i) and (2*i+1) in the 1101f86805aSYong Zhao * same SDMA engine on SOC15, which has 8-byte doorbells for SDMA. 1111f86805aSYong Zhao * 512 8-byte doorbell distance (i.e. one page away) ensures that SDMA RLC 1121f86805aSYong Zhao * (2*i+1) doorbells (in terms of the lower 12 bit address) lie exactly in 1131f86805aSYong Zhao * the OFFSET and SIZE set in registers like BIF_SDMA0_DOORBELL_RANGE. 1141f86805aSYong Zhao */ 1151f86805aSYong Zhao #define KFD_QUEUE_DOORBELL_MIRROR_OFFSET 512 1161f86805aSYong Zhao 1171f86805aSYong Zhao 1181f86805aSYong Zhao /* 119b8cbab04SOded Gabbay * Kernel module parameter to specify maximum number of supported queues per 120b8cbab04SOded Gabbay * device 12119f6d2a6SOded Gabbay */ 122b8cbab04SOded Gabbay extern int max_num_of_queues_per_device; 12319f6d2a6SOded Gabbay 124ed6e6a34SBen Goz 12531c21fecSBen Goz /* Kernel module parameter to specify the scheduling policy */ 12631c21fecSBen Goz extern int sched_policy; 12731c21fecSBen Goz 128a99c6d4fSFelix Kuehling /* 129a99c6d4fSFelix Kuehling * Kernel module parameter to specify the maximum process 130a99c6d4fSFelix Kuehling * number per HW scheduler 131a99c6d4fSFelix Kuehling */ 132a99c6d4fSFelix Kuehling extern int hws_max_conc_proc; 133a99c6d4fSFelix Kuehling 134373d7080SFelix Kuehling extern int cwsr_enable; 135373d7080SFelix Kuehling 13681663016SOded Gabbay /* 13781663016SOded Gabbay * Kernel module parameter to specify whether to send sigterm to HSA process on 13881663016SOded Gabbay * unhandled exception 13981663016SOded Gabbay */ 14081663016SOded Gabbay extern int send_sigterm; 14181663016SOded Gabbay 142ebcfd1e2SFelix Kuehling /* 143374200b1SFelix Kuehling * This kernel module is used to simulate large bar machine on non-large bar 144374200b1SFelix Kuehling * enabled machines. 145374200b1SFelix Kuehling */ 146374200b1SFelix Kuehling extern int debug_largebar; 147374200b1SFelix Kuehling 148374200b1SFelix Kuehling /* 149ebcfd1e2SFelix Kuehling * Ignore CRAT table during KFD initialization, can be used to work around 150ebcfd1e2SFelix Kuehling * broken CRAT tables on some AMD systems 151ebcfd1e2SFelix Kuehling */ 152ebcfd1e2SFelix Kuehling extern int ignore_crat; 153ebcfd1e2SFelix Kuehling 154bed4f110SFelix Kuehling /* 155bed4f110SFelix Kuehling * Set sh_mem_config.retry_disable on Vega10 156bed4f110SFelix Kuehling */ 1572b281977SYong Zhao extern int noretry; 158bed4f110SFelix Kuehling 1590e9a860cSYong Zhao /* 1600e9a860cSYong Zhao * Halt if HWS hang is detected 1610e9a860cSYong Zhao */ 1620e9a860cSYong Zhao extern int halt_if_hws_hang; 1630e9a860cSYong Zhao 16429e76462SOak Zeng /* 16529e76462SOak Zeng * Whether MEC FW support GWS barriers 16629e76462SOak Zeng */ 16729e76462SOak Zeng extern bool hws_gws_support; 16829e76462SOak Zeng 169ed6e6a34SBen Goz enum cache_policy { 170ed6e6a34SBen Goz cache_policy_coherent, 171ed6e6a34SBen Goz cache_policy_noncoherent 172ed6e6a34SBen Goz }; 173ed6e6a34SBen Goz 174ef568db7SFelix Kuehling #define KFD_IS_SOC15(chip) ((chip) >= CHIP_VEGA10) 175ef568db7SFelix Kuehling 176f3a39818SAndrew Lewycky struct kfd_event_interrupt_class { 177f3a39818SAndrew Lewycky bool (*interrupt_isr)(struct kfd_dev *dev, 17858e69886SLan Xiao const uint32_t *ih_ring_entry, uint32_t *patched_ihre, 17958e69886SLan Xiao bool *patched_flag); 180f3a39818SAndrew Lewycky void (*interrupt_wq)(struct kfd_dev *dev, 181f3a39818SAndrew Lewycky const uint32_t *ih_ring_entry); 182f3a39818SAndrew Lewycky }; 183f3a39818SAndrew Lewycky 1844a488a7aSOded Gabbay struct kfd_device_info { 185e596b903SYong Zhao enum amd_asic_type asic_family; 186f3a39818SAndrew Lewycky const struct kfd_event_interrupt_class *event_interrupt_class; 1874a488a7aSOded Gabbay unsigned int max_pasid_bits; 188992839adSYair Shachar unsigned int max_no_of_hqd; 189ada2b29cSFelix Kuehling unsigned int doorbell_size; 1904a488a7aSOded Gabbay size_t ih_ring_entry_size; 191f7c826adSAlexey Skidanov uint8_t num_of_watch_points; 19219f6d2a6SOded Gabbay uint16_t mqd_size_aligned; 193373d7080SFelix Kuehling bool supports_cwsr; 19464d1c3a4SFelix Kuehling bool needs_iommu_device; 1953ee2d00cSFelix Kuehling bool needs_pci_atomics; 19698bb9222SYong Zhao unsigned int num_sdma_engines; 1971b4670f6SOak Zeng unsigned int num_xgmi_sdma_engines; 198d5094189SShaoyun Liu unsigned int num_sdma_queues_per_engine; 1994a488a7aSOded Gabbay }; 2004a488a7aSOded Gabbay 20136b5c08fSOded Gabbay struct kfd_mem_obj { 20236b5c08fSOded Gabbay uint32_t range_start; 20336b5c08fSOded Gabbay uint32_t range_end; 20436b5c08fSOded Gabbay uint64_t gpu_addr; 20536b5c08fSOded Gabbay uint32_t *cpu_ptr; 206b91d43ddSFelix Kuehling void *gtt_mem; 20736b5c08fSOded Gabbay }; 20836b5c08fSOded Gabbay 20944008d7aSYong Zhao struct kfd_vmid_info { 21044008d7aSYong Zhao uint32_t first_vmid_kfd; 21144008d7aSYong Zhao uint32_t last_vmid_kfd; 21244008d7aSYong Zhao uint32_t vmid_num_kfd; 21344008d7aSYong Zhao }; 21444008d7aSYong Zhao 2154a488a7aSOded Gabbay struct kfd_dev { 2164a488a7aSOded Gabbay struct kgd_dev *kgd; 2174a488a7aSOded Gabbay 2184a488a7aSOded Gabbay const struct kfd_device_info *device_info; 2194a488a7aSOded Gabbay struct pci_dev *pdev; 2204a488a7aSOded Gabbay 2214a488a7aSOded Gabbay unsigned int id; /* topology stub index */ 2224a488a7aSOded Gabbay 22319f6d2a6SOded Gabbay phys_addr_t doorbell_base; /* Start of actual doorbells used by 22419f6d2a6SOded Gabbay * KFD. It is aligned for mapping 22519f6d2a6SOded Gabbay * into user mode 22619f6d2a6SOded Gabbay */ 22719f6d2a6SOded Gabbay size_t doorbell_id_offset; /* Doorbell offset (from KFD doorbell 22819f6d2a6SOded Gabbay * to HW doorbell, GFX reserved some 22919f6d2a6SOded Gabbay * at the start) 23019f6d2a6SOded Gabbay */ 23119f6d2a6SOded Gabbay u32 __iomem *doorbell_kernel_ptr; /* This is a pointer for a doorbells 23219f6d2a6SOded Gabbay * page used by kernel queue 23319f6d2a6SOded Gabbay */ 23419f6d2a6SOded Gabbay 2354a488a7aSOded Gabbay struct kgd2kfd_shared_resources shared_resources; 23644008d7aSYong Zhao struct kfd_vmid_info vm_info; 2374a488a7aSOded Gabbay 238cea405b1SXihan Zhang const struct kfd2kgd_calls *kfd2kgd; 239cea405b1SXihan Zhang struct mutex doorbell_mutex; 240f761d8bdSJoe Perches DECLARE_BITMAP(doorbell_available_index, 241f761d8bdSJoe Perches KFD_MAX_NUM_OF_QUEUES_PER_PROCESS); 242cea405b1SXihan Zhang 24336b5c08fSOded Gabbay void *gtt_mem; 24436b5c08fSOded Gabbay uint64_t gtt_start_gpu_addr; 24536b5c08fSOded Gabbay void *gtt_start_cpu_ptr; 24636b5c08fSOded Gabbay void *gtt_sa_bitmap; 24736b5c08fSOded Gabbay struct mutex gtt_sa_lock; 24836b5c08fSOded Gabbay unsigned int gtt_sa_chunk_size; 24936b5c08fSOded Gabbay unsigned int gtt_sa_num_of_chunks; 25036b5c08fSOded Gabbay 2512249d558SAndrew Lewycky /* Interrupts */ 25204ad47bdSAndres Rodriguez struct kfifo ih_fifo; 25348e876a2SAndres Rodriguez struct workqueue_struct *ih_wq; 2542249d558SAndrew Lewycky struct work_struct interrupt_work; 2552249d558SAndrew Lewycky spinlock_t interrupt_lock; 2562249d558SAndrew Lewycky 257ed6e6a34SBen Goz /* QCM Device instance */ 258ed6e6a34SBen Goz struct device_queue_manager *dqm; 2594a488a7aSOded Gabbay 260ed6e6a34SBen Goz bool init_complete; 2612249d558SAndrew Lewycky /* 2622249d558SAndrew Lewycky * Interrupts of interest to KFD are copied 2632249d558SAndrew Lewycky * from the HW ring into a SW ring. 2642249d558SAndrew Lewycky */ 2652249d558SAndrew Lewycky bool interrupts_active; 266fbeb661bSYair Shachar 267fbeb661bSYair Shachar /* Debug manager */ 268fbeb661bSYair Shachar struct kfd_dbgmgr *dbgmgr; 269373d7080SFelix Kuehling 2705ade6c9cSFelix Kuehling /* Firmware versions */ 2715ade6c9cSFelix Kuehling uint16_t mec_fw_version; 2725ade6c9cSFelix Kuehling uint16_t sdma_fw_version; 2735ade6c9cSFelix Kuehling 274a99c6d4fSFelix Kuehling /* Maximum process number mapped to HW scheduler */ 275a99c6d4fSFelix Kuehling unsigned int max_proc_per_quantum; 276a99c6d4fSFelix Kuehling 277373d7080SFelix Kuehling /* CWSR */ 278373d7080SFelix Kuehling bool cwsr_enabled; 279373d7080SFelix Kuehling const void *cwsr_isa; 280373d7080SFelix Kuehling unsigned int cwsr_isa_size; 2810c1690e3SShaoyun Liu 2820c1690e3SShaoyun Liu /* xGMI */ 2830c1690e3SShaoyun Liu uint64_t hive_id; 284d35f00d8SEric Huang 285d35f00d8SEric Huang bool pci_atomic_requested; 2869b54d201SEric Huang 2879b54d201SEric Huang /* SRAM ECC flag */ 2889b54d201SEric Huang atomic_t sram_ecc_flag; 289f756e631SHarish Kasiviswanathan 290f756e631SHarish Kasiviswanathan /* Compute Profile ref. count */ 291f756e631SHarish Kasiviswanathan atomic_t compute_profile; 292e09d4fc8SOak Zeng 293e09d4fc8SOak Zeng /* Global GWS resource shared b/t processes*/ 294e09d4fc8SOak Zeng void *gws; 2954a488a7aSOded Gabbay }; 2964a488a7aSOded Gabbay 29719f6d2a6SOded Gabbay enum kfd_mempool { 29819f6d2a6SOded Gabbay KFD_MEMPOOL_SYSTEM_CACHEABLE = 1, 29919f6d2a6SOded Gabbay KFD_MEMPOOL_SYSTEM_WRITECOMBINE = 2, 30019f6d2a6SOded Gabbay KFD_MEMPOOL_FRAMEBUFFER = 3, 30119f6d2a6SOded Gabbay }; 30219f6d2a6SOded Gabbay 3034a488a7aSOded Gabbay /* Character device interface */ 3044a488a7aSOded Gabbay int kfd_chardev_init(void); 3054a488a7aSOded Gabbay void kfd_chardev_exit(void); 3064a488a7aSOded Gabbay struct device *kfd_chardev(void); 3074a488a7aSOded Gabbay 308241f24f8SBen Goz /** 3097da2bcf8SYong Zhao * enum kfd_unmap_queues_filter 310241f24f8SBen Goz * 3117da2bcf8SYong Zhao * @KFD_UNMAP_QUEUES_FILTER_SINGLE_QUEUE: Preempts single queue. 312241f24f8SBen Goz * 3137da2bcf8SYong Zhao * @KFD_UNMAP_QUEUES_FILTER_ALL_QUEUES: Preempts all queues in the 314241f24f8SBen Goz * running queues list. 315241f24f8SBen Goz * 3167da2bcf8SYong Zhao * @KFD_UNMAP_QUEUES_FILTER_BY_PASID: Preempts queues that belongs to 317241f24f8SBen Goz * specific process. 318241f24f8SBen Goz * 319241f24f8SBen Goz */ 3207da2bcf8SYong Zhao enum kfd_unmap_queues_filter { 3217da2bcf8SYong Zhao KFD_UNMAP_QUEUES_FILTER_SINGLE_QUEUE, 3227da2bcf8SYong Zhao KFD_UNMAP_QUEUES_FILTER_ALL_QUEUES, 3237da2bcf8SYong Zhao KFD_UNMAP_QUEUES_FILTER_DYNAMIC_QUEUES, 3247da2bcf8SYong Zhao KFD_UNMAP_QUEUES_FILTER_BY_PASID 325241f24f8SBen Goz }; 32619f6d2a6SOded Gabbay 327ed8aab45SBen Goz /** 328ed8aab45SBen Goz * enum kfd_queue_type 329ed8aab45SBen Goz * 330ed8aab45SBen Goz * @KFD_QUEUE_TYPE_COMPUTE: Regular user mode queue type. 331ed8aab45SBen Goz * 332ed8aab45SBen Goz * @KFD_QUEUE_TYPE_SDMA: Sdma user mode queue type. 333ed8aab45SBen Goz * 334ed8aab45SBen Goz * @KFD_QUEUE_TYPE_HIQ: HIQ queue type. 335ed8aab45SBen Goz * 336ed8aab45SBen Goz * @KFD_QUEUE_TYPE_DIQ: DIQ queue type. 337ed8aab45SBen Goz */ 338ed8aab45SBen Goz enum kfd_queue_type { 339ed8aab45SBen Goz KFD_QUEUE_TYPE_COMPUTE, 340ed8aab45SBen Goz KFD_QUEUE_TYPE_SDMA, 341ed8aab45SBen Goz KFD_QUEUE_TYPE_HIQ, 3421b4670f6SOak Zeng KFD_QUEUE_TYPE_DIQ, 3431b4670f6SOak Zeng KFD_QUEUE_TYPE_SDMA_XGMI 344ed8aab45SBen Goz }; 345ed8aab45SBen Goz 3466e99df57SBen Goz enum kfd_queue_format { 3476e99df57SBen Goz KFD_QUEUE_FORMAT_PM4, 3486e99df57SBen Goz KFD_QUEUE_FORMAT_AQL 3496e99df57SBen Goz }; 3506e99df57SBen Goz 351ed8aab45SBen Goz /** 352ed8aab45SBen Goz * struct queue_properties 353ed8aab45SBen Goz * 354ed8aab45SBen Goz * @type: The queue type. 355ed8aab45SBen Goz * 356ed8aab45SBen Goz * @queue_id: Queue identifier. 357ed8aab45SBen Goz * 358ed8aab45SBen Goz * @queue_address: Queue ring buffer address. 359ed8aab45SBen Goz * 360ed8aab45SBen Goz * @queue_size: Queue ring buffer size. 361ed8aab45SBen Goz * 362ed8aab45SBen Goz * @priority: Defines the queue priority relative to other queues in the 363ed8aab45SBen Goz * process. 364ed8aab45SBen Goz * This is just an indication and HW scheduling may override the priority as 365ed8aab45SBen Goz * necessary while keeping the relative prioritization. 366ed8aab45SBen Goz * the priority granularity is from 0 to f which f is the highest priority. 367ed8aab45SBen Goz * currently all queues are initialized with the highest priority. 368ed8aab45SBen Goz * 369ed8aab45SBen Goz * @queue_percent: This field is partially implemented and currently a zero in 370ed8aab45SBen Goz * this field defines that the queue is non active. 371ed8aab45SBen Goz * 372ed8aab45SBen Goz * @read_ptr: User space address which points to the number of dwords the 373ed8aab45SBen Goz * cp read from the ring buffer. This field updates automatically by the H/W. 374ed8aab45SBen Goz * 375ed8aab45SBen Goz * @write_ptr: Defines the number of dwords written to the ring buffer. 376ed8aab45SBen Goz * 377ed8aab45SBen Goz * @doorbell_ptr: This field aim is to notify the H/W of new packet written to 3788eabaf54SKent Russell * the queue ring buffer. This field should be similar to write_ptr and the 3798eabaf54SKent Russell * user should update this field after he updated the write_ptr. 380ed8aab45SBen Goz * 381ed8aab45SBen Goz * @doorbell_off: The doorbell offset in the doorbell pci-bar. 382ed8aab45SBen Goz * 3838eabaf54SKent Russell * @is_interop: Defines if this is a interop queue. Interop queue means that 3848eabaf54SKent Russell * the queue can access both graphics and compute resources. 385ed8aab45SBen Goz * 38626103436SFelix Kuehling * @is_evicted: Defines if the queue is evicted. Only active queues 38726103436SFelix Kuehling * are evicted, rendering them inactive. 38826103436SFelix Kuehling * 38926103436SFelix Kuehling * @is_active: Defines if the queue is active or not. @is_active and 39026103436SFelix Kuehling * @is_evicted are protected by the DQM lock. 391ed8aab45SBen Goz * 392ed8aab45SBen Goz * @vmid: If the scheduling mode is no cp scheduling the field defines the vmid 393ed8aab45SBen Goz * of the queue. 394ed8aab45SBen Goz * 395ed8aab45SBen Goz * This structure represents the queue properties for each queue no matter if 396ed8aab45SBen Goz * it's user mode or kernel mode queue. 397ed8aab45SBen Goz * 398ed8aab45SBen Goz */ 399ed8aab45SBen Goz struct queue_properties { 400ed8aab45SBen Goz enum kfd_queue_type type; 4016e99df57SBen Goz enum kfd_queue_format format; 402ed8aab45SBen Goz unsigned int queue_id; 403ed8aab45SBen Goz uint64_t queue_address; 404ed8aab45SBen Goz uint64_t queue_size; 405ed8aab45SBen Goz uint32_t priority; 406ed8aab45SBen Goz uint32_t queue_percent; 407ed8aab45SBen Goz uint32_t *read_ptr; 408ed8aab45SBen Goz uint32_t *write_ptr; 409ada2b29cSFelix Kuehling void __iomem *doorbell_ptr; 410ed8aab45SBen Goz uint32_t doorbell_off; 411ed8aab45SBen Goz bool is_interop; 41226103436SFelix Kuehling bool is_evicted; 413ed8aab45SBen Goz bool is_active; 414ed8aab45SBen Goz /* Not relevant for user mode queues in cp scheduling */ 415ed8aab45SBen Goz unsigned int vmid; 41677669eb8SBen Goz /* Relevant only for sdma queues*/ 41777669eb8SBen Goz uint32_t sdma_engine_id; 41877669eb8SBen Goz uint32_t sdma_queue_id; 41977669eb8SBen Goz uint32_t sdma_vm_addr; 420ff3d04a1SBen Goz /* Relevant only for VI */ 421ff3d04a1SBen Goz uint64_t eop_ring_buffer_address; 422ff3d04a1SBen Goz uint32_t eop_ring_buffer_size; 423ff3d04a1SBen Goz uint64_t ctx_save_restore_area_address; 424ff3d04a1SBen Goz uint32_t ctx_save_restore_area_size; 425373d7080SFelix Kuehling uint32_t ctl_stack_size; 426373d7080SFelix Kuehling uint64_t tba_addr; 427373d7080SFelix Kuehling uint64_t tma_addr; 42839e7f331SFelix Kuehling /* Relevant for CU */ 42939e7f331SFelix Kuehling uint32_t cu_mask_count; /* Must be a multiple of 32 */ 43039e7f331SFelix Kuehling uint32_t *cu_mask; 431ed8aab45SBen Goz }; 432ed8aab45SBen Goz 433bb2d2128SFelix Kuehling #define QUEUE_IS_ACTIVE(q) ((q).queue_size > 0 && \ 434bb2d2128SFelix Kuehling (q).queue_address != 0 && \ 435bb2d2128SFelix Kuehling (q).queue_percent > 0 && \ 436bb2d2128SFelix Kuehling !(q).is_evicted) 437bb2d2128SFelix Kuehling 438ed8aab45SBen Goz /** 439ed8aab45SBen Goz * struct queue 440ed8aab45SBen Goz * 441ed8aab45SBen Goz * @list: Queue linked list. 442ed8aab45SBen Goz * 443ed8aab45SBen Goz * @mqd: The queue MQD. 444ed8aab45SBen Goz * 445ed8aab45SBen Goz * @mqd_mem_obj: The MQD local gpu memory object. 446ed8aab45SBen Goz * 447ed8aab45SBen Goz * @gart_mqd_addr: The MQD gart mc address. 448ed8aab45SBen Goz * 449ed8aab45SBen Goz * @properties: The queue properties. 450ed8aab45SBen Goz * 451ed8aab45SBen Goz * @mec: Used only in no cp scheduling mode and identifies to micro engine id 452ed8aab45SBen Goz * that the queue should be execute on. 453ed8aab45SBen Goz * 4548eabaf54SKent Russell * @pipe: Used only in no cp scheduling mode and identifies the queue's pipe 4558eabaf54SKent Russell * id. 456ed8aab45SBen Goz * 457ed8aab45SBen Goz * @queue: Used only in no cp scheduliong mode and identifies the queue's slot. 458ed8aab45SBen Goz * 459ed8aab45SBen Goz * @process: The kfd process that created this queue. 460ed8aab45SBen Goz * 461ed8aab45SBen Goz * @device: The kfd device that created this queue. 462ed8aab45SBen Goz * 463eb82da1dSOak Zeng * @gws: Pointing to gws kgd_mem if this is a gws control queue; NULL 464eb82da1dSOak Zeng * otherwise. 465eb82da1dSOak Zeng * 466ed8aab45SBen Goz * This structure represents user mode compute queues. 467ed8aab45SBen Goz * It contains all the necessary data to handle such queues. 468ed8aab45SBen Goz * 469ed8aab45SBen Goz */ 470ed8aab45SBen Goz 471ed8aab45SBen Goz struct queue { 472ed8aab45SBen Goz struct list_head list; 473ed8aab45SBen Goz void *mqd; 474ed8aab45SBen Goz struct kfd_mem_obj *mqd_mem_obj; 475ed8aab45SBen Goz uint64_t gart_mqd_addr; 476ed8aab45SBen Goz struct queue_properties properties; 477ed8aab45SBen Goz 478ed8aab45SBen Goz uint32_t mec; 479ed8aab45SBen Goz uint32_t pipe; 480ed8aab45SBen Goz uint32_t queue; 481ed8aab45SBen Goz 48277669eb8SBen Goz unsigned int sdma_id; 483ef568db7SFelix Kuehling unsigned int doorbell_id; 48477669eb8SBen Goz 485ed8aab45SBen Goz struct kfd_process *process; 486ed8aab45SBen Goz struct kfd_dev *device; 487eb82da1dSOak Zeng void *gws; 488ed8aab45SBen Goz }; 489ed8aab45SBen Goz 4906e99df57SBen Goz /* 4916e99df57SBen Goz * Please read the kfd_mqd_manager.h description. 4926e99df57SBen Goz */ 4936e99df57SBen Goz enum KFD_MQD_TYPE { 49485d258f9SBen Goz KFD_MQD_TYPE_COMPUTE = 0, /* for no cp scheduling */ 49585d258f9SBen Goz KFD_MQD_TYPE_HIQ, /* for hiq */ 49685d258f9SBen Goz KFD_MQD_TYPE_CP, /* for cp queues and diq */ 49785d258f9SBen Goz KFD_MQD_TYPE_SDMA, /* for sdma queues */ 49859f650a0SOak Zeng KFD_MQD_TYPE_DIQ, /* for diq */ 4996e99df57SBen Goz KFD_MQD_TYPE_MAX 5006e99df57SBen Goz }; 5016e99df57SBen Goz 502241f24f8SBen Goz struct scheduling_resources { 503241f24f8SBen Goz unsigned int vmid_mask; 504241f24f8SBen Goz enum kfd_queue_type type; 505241f24f8SBen Goz uint64_t queue_mask; 506241f24f8SBen Goz uint64_t gws_mask; 507241f24f8SBen Goz uint32_t oac_mask; 508241f24f8SBen Goz uint32_t gds_heap_base; 509241f24f8SBen Goz uint32_t gds_heap_size; 510241f24f8SBen Goz }; 511241f24f8SBen Goz 512241f24f8SBen Goz struct process_queue_manager { 513241f24f8SBen Goz /* data */ 514241f24f8SBen Goz struct kfd_process *process; 515241f24f8SBen Goz struct list_head queues; 516241f24f8SBen Goz unsigned long *queue_slot_bitmap; 517241f24f8SBen Goz }; 518241f24f8SBen Goz 519241f24f8SBen Goz struct qcm_process_device { 520241f24f8SBen Goz /* The Device Queue Manager that owns this data */ 521241f24f8SBen Goz struct device_queue_manager *dqm; 522241f24f8SBen Goz struct process_queue_manager *pqm; 523241f24f8SBen Goz /* Queues list */ 524241f24f8SBen Goz struct list_head queues_list; 525241f24f8SBen Goz struct list_head priv_queue_list; 526241f24f8SBen Goz 527241f24f8SBen Goz unsigned int queue_count; 528241f24f8SBen Goz unsigned int vmid; 529241f24f8SBen Goz bool is_debug; 53026103436SFelix Kuehling unsigned int evicted; /* eviction counter, 0=active */ 5319fd3f1bfSFelix Kuehling 5329fd3f1bfSFelix Kuehling /* This flag tells if we should reset all wavefronts on 5339fd3f1bfSFelix Kuehling * process termination 5349fd3f1bfSFelix Kuehling */ 5359fd3f1bfSFelix Kuehling bool reset_wavefronts; 5369fd3f1bfSFelix Kuehling 537241f24f8SBen Goz /* 538241f24f8SBen Goz * All the memory management data should be here too 539241f24f8SBen Goz */ 540241f24f8SBen Goz uint64_t gds_context_area; 541435e2f97SYong Zhao /* Contains page table flags such as AMDGPU_PTE_VALID since gfx9 */ 542e715c6d0SShaoyun Liu uint64_t page_table_base; 543241f24f8SBen Goz uint32_t sh_mem_config; 544241f24f8SBen Goz uint32_t sh_mem_bases; 545241f24f8SBen Goz uint32_t sh_mem_ape1_base; 546241f24f8SBen Goz uint32_t sh_mem_ape1_limit; 547241f24f8SBen Goz uint32_t gds_size; 548241f24f8SBen Goz uint32_t num_gws; 549241f24f8SBen Goz uint32_t num_oac; 5506a1c9510SMoses Reuben uint32_t sh_hidden_private_base; 551373d7080SFelix Kuehling 552373d7080SFelix Kuehling /* CWSR memory */ 553373d7080SFelix Kuehling void *cwsr_kaddr; 554d01994c2SFelix Kuehling uint64_t cwsr_base; 555373d7080SFelix Kuehling uint64_t tba_addr; 556373d7080SFelix Kuehling uint64_t tma_addr; 557d01994c2SFelix Kuehling 558d01994c2SFelix Kuehling /* IB memory */ 559d01994c2SFelix Kuehling uint64_t ib_base; 560552764b6SFelix Kuehling void *ib_kaddr; 561ef568db7SFelix Kuehling 562ef568db7SFelix Kuehling /* doorbell resources per process per device */ 563ef568db7SFelix Kuehling unsigned long *doorbell_bitmap; 564241f24f8SBen Goz }; 565241f24f8SBen Goz 56626103436SFelix Kuehling /* KFD Memory Eviction */ 56726103436SFelix Kuehling 56826103436SFelix Kuehling /* Approx. wait time before attempting to restore evicted BOs */ 56926103436SFelix Kuehling #define PROCESS_RESTORE_TIME_MS 100 57026103436SFelix Kuehling /* Approx. back off time if restore fails due to lack of memory */ 57126103436SFelix Kuehling #define PROCESS_BACK_OFF_TIME_MS 100 57226103436SFelix Kuehling /* Approx. time before evicting the process again */ 57326103436SFelix Kuehling #define PROCESS_ACTIVE_TIME_MS 10 57426103436SFelix Kuehling 5755ec7e028SFelix Kuehling /* 8 byte handle containing GPU ID in the most significant 4 bytes and 5765ec7e028SFelix Kuehling * idr_handle in the least significant 4 bytes 5775ec7e028SFelix Kuehling */ 5785ec7e028SFelix Kuehling #define MAKE_HANDLE(gpu_id, idr_handle) \ 5795ec7e028SFelix Kuehling (((uint64_t)(gpu_id) << 32) + idr_handle) 5805ec7e028SFelix Kuehling #define GET_GPU_ID(handle) (handle >> 32) 5815ec7e028SFelix Kuehling #define GET_IDR_HANDLE(handle) (handle & 0xFFFFFFFF) 5825ec7e028SFelix Kuehling 583733fa1f7SYong Zhao enum kfd_pdd_bound { 584733fa1f7SYong Zhao PDD_UNBOUND = 0, 585733fa1f7SYong Zhao PDD_BOUND, 586733fa1f7SYong Zhao PDD_BOUND_SUSPENDED, 587733fa1f7SYong Zhao }; 588733fa1f7SYong Zhao 58919f6d2a6SOded Gabbay /* Data that is per-process-per device. */ 59019f6d2a6SOded Gabbay struct kfd_process_device { 59119f6d2a6SOded Gabbay /* 59219f6d2a6SOded Gabbay * List of all per-device data for a process. 59319f6d2a6SOded Gabbay * Starts from kfd_process.per_device_data. 59419f6d2a6SOded Gabbay */ 59519f6d2a6SOded Gabbay struct list_head per_device_list; 59619f6d2a6SOded Gabbay 59719f6d2a6SOded Gabbay /* The device that owns this data. */ 59819f6d2a6SOded Gabbay struct kfd_dev *dev; 59919f6d2a6SOded Gabbay 6009fd3f1bfSFelix Kuehling /* The process that owns this kfd_process_device. */ 6019fd3f1bfSFelix Kuehling struct kfd_process *process; 60219f6d2a6SOded Gabbay 60345102048SBen Goz /* per-process-per device QCM data structure */ 60445102048SBen Goz struct qcm_process_device qpd; 60545102048SBen Goz 60619f6d2a6SOded Gabbay /*Apertures*/ 60719f6d2a6SOded Gabbay uint64_t lds_base; 60819f6d2a6SOded Gabbay uint64_t lds_limit; 60919f6d2a6SOded Gabbay uint64_t gpuvm_base; 61019f6d2a6SOded Gabbay uint64_t gpuvm_limit; 61119f6d2a6SOded Gabbay uint64_t scratch_base; 61219f6d2a6SOded Gabbay uint64_t scratch_limit; 61319f6d2a6SOded Gabbay 614403575c4SFelix Kuehling /* VM context for GPUVM allocations */ 615b84394e2SFelix Kuehling struct file *drm_file; 616403575c4SFelix Kuehling void *vm; 617403575c4SFelix Kuehling 61852b29d73SFelix Kuehling /* GPUVM allocations storage */ 61952b29d73SFelix Kuehling struct idr alloc_idr; 62052b29d73SFelix Kuehling 6219fd3f1bfSFelix Kuehling /* Flag used to tell the pdd has dequeued from the dqm. 6229fd3f1bfSFelix Kuehling * This is used to prevent dev->dqm->ops.process_termination() from 6239fd3f1bfSFelix Kuehling * being called twice when it is already called in IOMMU callback 6249fd3f1bfSFelix Kuehling * function. 625a82918f1SBen Goz */ 6269fd3f1bfSFelix Kuehling bool already_dequeued; 62764d1c3a4SFelix Kuehling 62864d1c3a4SFelix Kuehling /* Is this process/pasid bound to this device? (amd_iommu_bind_pasid) */ 62964d1c3a4SFelix Kuehling enum kfd_pdd_bound bound; 63019f6d2a6SOded Gabbay }; 63119f6d2a6SOded Gabbay 63252a5fdceSAlexey Skidanov #define qpd_to_pdd(x) container_of(x, struct kfd_process_device, qpd) 63352a5fdceSAlexey Skidanov 6344a488a7aSOded Gabbay /* Process data */ 6354a488a7aSOded Gabbay struct kfd_process { 63619f6d2a6SOded Gabbay /* 63719f6d2a6SOded Gabbay * kfd_process are stored in an mm_struct*->kfd_process* 63819f6d2a6SOded Gabbay * hash table (kfd_processes in kfd_process.c) 63919f6d2a6SOded Gabbay */ 64019f6d2a6SOded Gabbay struct hlist_node kfd_processes; 64119f6d2a6SOded Gabbay 6429b56bb11SFelix Kuehling /* 6439b56bb11SFelix Kuehling * Opaque pointer to mm_struct. We don't hold a reference to 6449b56bb11SFelix Kuehling * it so it should never be dereferenced from here. This is 6459b56bb11SFelix Kuehling * only used for looking up processes by their mm. 6469b56bb11SFelix Kuehling */ 6479b56bb11SFelix Kuehling void *mm; 64819f6d2a6SOded Gabbay 6495ce10687SFelix Kuehling struct kref ref; 6505ce10687SFelix Kuehling struct work_struct release_work; 6515ce10687SFelix Kuehling 65219f6d2a6SOded Gabbay struct mutex mutex; 65319f6d2a6SOded Gabbay 65419f6d2a6SOded Gabbay /* 65519f6d2a6SOded Gabbay * In any process, the thread that started main() is the lead 65619f6d2a6SOded Gabbay * thread and outlives the rest. 65719f6d2a6SOded Gabbay * It is here because amd_iommu_bind_pasid wants a task_struct. 658894a8293SFelix Kuehling * It can also be used for safely getting a reference to the 659894a8293SFelix Kuehling * mm_struct of the process. 66019f6d2a6SOded Gabbay */ 66119f6d2a6SOded Gabbay struct task_struct *lead_thread; 66219f6d2a6SOded Gabbay 66319f6d2a6SOded Gabbay /* We want to receive a notification when the mm_struct is destroyed */ 66419f6d2a6SOded Gabbay struct mmu_notifier mmu_notifier; 66519f6d2a6SOded Gabbay 66619f6d2a6SOded Gabbay /* Use for delayed freeing of kfd_process structure */ 66719f6d2a6SOded Gabbay struct rcu_head rcu; 66819f6d2a6SOded Gabbay 66919f6d2a6SOded Gabbay unsigned int pasid; 670a91e70e3SFelix Kuehling unsigned int doorbell_index; 67119f6d2a6SOded Gabbay 67219f6d2a6SOded Gabbay /* 67319f6d2a6SOded Gabbay * List of kfd_process_device structures, 67419f6d2a6SOded Gabbay * one for each device the process is using. 67519f6d2a6SOded Gabbay */ 67619f6d2a6SOded Gabbay struct list_head per_device_data; 67719f6d2a6SOded Gabbay 67845102048SBen Goz struct process_queue_manager pqm; 67945102048SBen Goz 68019f6d2a6SOded Gabbay /*Is the user space process 32 bit?*/ 68119f6d2a6SOded Gabbay bool is_32bit_user_mode; 682f3a39818SAndrew Lewycky 683f3a39818SAndrew Lewycky /* Event-related data */ 684f3a39818SAndrew Lewycky struct mutex event_mutex; 685482f0777SFelix Kuehling /* Event ID allocator and lookup */ 686482f0777SFelix Kuehling struct idr event_idr; 68750cb7dd9SFelix Kuehling /* Event page */ 68850cb7dd9SFelix Kuehling struct kfd_signal_page *signal_page; 689b9a5d0a5SFelix Kuehling size_t signal_mapped_size; 690f3a39818SAndrew Lewycky size_t signal_event_count; 691c986169fSFelix Kuehling bool signal_event_limit_reached; 692403575c4SFelix Kuehling 693403575c4SFelix Kuehling /* Information used for memory eviction */ 694403575c4SFelix Kuehling void *kgd_process_info; 695403575c4SFelix Kuehling /* Eviction fence that is attached to all the BOs of this process. The 696403575c4SFelix Kuehling * fence will be triggered during eviction and new one will be created 697403575c4SFelix Kuehling * during restore 698403575c4SFelix Kuehling */ 699403575c4SFelix Kuehling struct dma_fence *ef; 70026103436SFelix Kuehling 70126103436SFelix Kuehling /* Work items for evicting and restoring BOs */ 70226103436SFelix Kuehling struct delayed_work eviction_work; 70326103436SFelix Kuehling struct delayed_work restore_work; 70426103436SFelix Kuehling /* seqno of the last scheduled eviction */ 70526103436SFelix Kuehling unsigned int last_eviction_seqno; 70626103436SFelix Kuehling /* Approx. the last timestamp (in jiffies) when the process was 70726103436SFelix Kuehling * restored after an eviction 70826103436SFelix Kuehling */ 70926103436SFelix Kuehling unsigned long last_restore_timestamp; 7104a488a7aSOded Gabbay }; 7114a488a7aSOded Gabbay 71264d1c3a4SFelix Kuehling #define KFD_PROCESS_TABLE_SIZE 5 /* bits: 32 entries */ 71364d1c3a4SFelix Kuehling extern DECLARE_HASHTABLE(kfd_processes_table, KFD_PROCESS_TABLE_SIZE); 71464d1c3a4SFelix Kuehling extern struct srcu_struct kfd_processes_srcu; 71564d1c3a4SFelix Kuehling 71676baee6cSOded Gabbay /** 71776baee6cSOded Gabbay * Ioctl function type. 71876baee6cSOded Gabbay * 71976baee6cSOded Gabbay * \param filep pointer to file structure. 72076baee6cSOded Gabbay * \param p amdkfd process pointer. 72176baee6cSOded Gabbay * \param data pointer to arg that was copied from user. 72276baee6cSOded Gabbay */ 72376baee6cSOded Gabbay typedef int amdkfd_ioctl_t(struct file *filep, struct kfd_process *p, 72476baee6cSOded Gabbay void *data); 72576baee6cSOded Gabbay 72676baee6cSOded Gabbay struct amdkfd_ioctl_desc { 72776baee6cSOded Gabbay unsigned int cmd; 72876baee6cSOded Gabbay int flags; 72976baee6cSOded Gabbay amdkfd_ioctl_t *func; 73076baee6cSOded Gabbay unsigned int cmd_drv; 73176baee6cSOded Gabbay const char *name; 73276baee6cSOded Gabbay }; 73367f7cf9fSshaoyunl bool kfd_dev_is_large_bar(struct kfd_dev *dev); 73476baee6cSOded Gabbay 7351679ae8fSFelix Kuehling int kfd_process_create_wq(void); 73619f6d2a6SOded Gabbay void kfd_process_destroy_wq(void); 737373d7080SFelix Kuehling struct kfd_process *kfd_create_process(struct file *filep); 73819f6d2a6SOded Gabbay struct kfd_process *kfd_get_process(const struct task_struct *); 739f3a39818SAndrew Lewycky struct kfd_process *kfd_lookup_process_by_pasid(unsigned int pasid); 74026103436SFelix Kuehling struct kfd_process *kfd_lookup_process_by_mm(const struct mm_struct *mm); 741abb208a8SFelix Kuehling void kfd_unref_process(struct kfd_process *p); 7426b95e797SFelix Kuehling int kfd_process_evict_queues(struct kfd_process *p); 7436b95e797SFelix Kuehling int kfd_process_restore_queues(struct kfd_process *p); 74426103436SFelix Kuehling void kfd_suspend_all_processes(void); 74526103436SFelix Kuehling int kfd_resume_all_processes(void); 74619f6d2a6SOded Gabbay 747b84394e2SFelix Kuehling int kfd_process_device_init_vm(struct kfd_process_device *pdd, 748b84394e2SFelix Kuehling struct file *drm_file); 74964c7f8cfSBen Goz struct kfd_process_device *kfd_bind_process_to_device(struct kfd_dev *dev, 75064c7f8cfSBen Goz struct kfd_process *p); 75119f6d2a6SOded Gabbay struct kfd_process_device *kfd_get_process_device_data(struct kfd_dev *dev, 752093c7d8cSAlexey Skidanov struct kfd_process *p); 753093c7d8cSAlexey Skidanov struct kfd_process_device *kfd_create_process_device_data(struct kfd_dev *dev, 754093c7d8cSAlexey Skidanov struct kfd_process *p); 75519f6d2a6SOded Gabbay 756df03ef93SHarish Kasiviswanathan int kfd_reserved_mem_mmap(struct kfd_dev *dev, struct kfd_process *process, 757373d7080SFelix Kuehling struct vm_area_struct *vma); 758373d7080SFelix Kuehling 75952b29d73SFelix Kuehling /* KFD process API for creating and translating handles */ 76052b29d73SFelix Kuehling int kfd_process_device_create_obj_handle(struct kfd_process_device *pdd, 76152b29d73SFelix Kuehling void *mem); 76252b29d73SFelix Kuehling void *kfd_process_device_translate_handle(struct kfd_process_device *p, 76352b29d73SFelix Kuehling int handle); 76452b29d73SFelix Kuehling void kfd_process_device_remove_obj_handle(struct kfd_process_device *pdd, 76552b29d73SFelix Kuehling int handle); 76652b29d73SFelix Kuehling 767775921edSAlexey Skidanov /* Process device data iterator */ 7688eabaf54SKent Russell struct kfd_process_device *kfd_get_first_process_device_data( 7698eabaf54SKent Russell struct kfd_process *p); 7708eabaf54SKent Russell struct kfd_process_device *kfd_get_next_process_device_data( 7718eabaf54SKent Russell struct kfd_process *p, 772775921edSAlexey Skidanov struct kfd_process_device *pdd); 773775921edSAlexey Skidanov bool kfd_has_process_device_data(struct kfd_process *p); 774775921edSAlexey Skidanov 77519f6d2a6SOded Gabbay /* PASIDs */ 77619f6d2a6SOded Gabbay int kfd_pasid_init(void); 77719f6d2a6SOded Gabbay void kfd_pasid_exit(void); 77819f6d2a6SOded Gabbay bool kfd_set_pasid_limit(unsigned int new_limit); 77919f6d2a6SOded Gabbay unsigned int kfd_get_pasid_limit(void); 78019f6d2a6SOded Gabbay unsigned int kfd_pasid_alloc(void); 78119f6d2a6SOded Gabbay void kfd_pasid_free(unsigned int pasid); 78219f6d2a6SOded Gabbay 78319f6d2a6SOded Gabbay /* Doorbells */ 784ef568db7SFelix Kuehling size_t kfd_doorbell_process_slice(struct kfd_dev *kfd); 785735df2baSFelix Kuehling int kfd_doorbell_init(struct kfd_dev *kfd); 786735df2baSFelix Kuehling void kfd_doorbell_fini(struct kfd_dev *kfd); 787df03ef93SHarish Kasiviswanathan int kfd_doorbell_mmap(struct kfd_dev *dev, struct kfd_process *process, 788df03ef93SHarish Kasiviswanathan struct vm_area_struct *vma); 789ada2b29cSFelix Kuehling void __iomem *kfd_get_kernel_doorbell(struct kfd_dev *kfd, 79019f6d2a6SOded Gabbay unsigned int *doorbell_off); 79119f6d2a6SOded Gabbay void kfd_release_kernel_doorbell(struct kfd_dev *kfd, u32 __iomem *db_addr); 79219f6d2a6SOded Gabbay u32 read_kernel_doorbell(u32 __iomem *db); 793ada2b29cSFelix Kuehling void write_kernel_doorbell(void __iomem *db, u32 value); 7949d7d0248SFelix Kuehling void write_kernel_doorbell64(void __iomem *db, u64 value); 795ef568db7SFelix Kuehling unsigned int kfd_doorbell_id_to_offset(struct kfd_dev *kfd, 79619f6d2a6SOded Gabbay struct kfd_process *process, 797ef568db7SFelix Kuehling unsigned int doorbell_id); 798a91e70e3SFelix Kuehling phys_addr_t kfd_get_process_doorbells(struct kfd_dev *dev, 799a91e70e3SFelix Kuehling struct kfd_process *process); 800a91e70e3SFelix Kuehling int kfd_alloc_process_doorbells(struct kfd_process *process); 801a91e70e3SFelix Kuehling void kfd_free_process_doorbells(struct kfd_process *process); 80219f6d2a6SOded Gabbay 8036e81090bSOded Gabbay /* GTT Sub-Allocator */ 8046e81090bSOded Gabbay 8056e81090bSOded Gabbay int kfd_gtt_sa_allocate(struct kfd_dev *kfd, unsigned int size, 8066e81090bSOded Gabbay struct kfd_mem_obj **mem_obj); 8076e81090bSOded Gabbay 8086e81090bSOded Gabbay int kfd_gtt_sa_free(struct kfd_dev *kfd, struct kfd_mem_obj *mem_obj); 8096e81090bSOded Gabbay 8104a488a7aSOded Gabbay extern struct device *kfd_device; 8114a488a7aSOded Gabbay 8125b5c4e40SEvgeny Pinchuk /* Topology */ 8135b5c4e40SEvgeny Pinchuk int kfd_topology_init(void); 8145b5c4e40SEvgeny Pinchuk void kfd_topology_shutdown(void); 8155b5c4e40SEvgeny Pinchuk int kfd_topology_add_device(struct kfd_dev *gpu); 8165b5c4e40SEvgeny Pinchuk int kfd_topology_remove_device(struct kfd_dev *gpu); 8173a87177eSHarish Kasiviswanathan struct kfd_topology_device *kfd_topology_device_by_proximity_domain( 8183a87177eSHarish Kasiviswanathan uint32_t proximity_domain); 81944d8cc6fSYong Zhao struct kfd_topology_device *kfd_topology_device_by_id(uint32_t gpu_id); 8205b5c4e40SEvgeny Pinchuk struct kfd_dev *kfd_device_by_id(uint32_t gpu_id); 8215b5c4e40SEvgeny Pinchuk struct kfd_dev *kfd_device_by_pci_dev(const struct pci_dev *pdev); 8221dde0ea9SFelix Kuehling struct kfd_dev *kfd_device_by_kgd(const struct kgd_dev *kgd); 8236d82eb0eSHarish Kasiviswanathan int kfd_topology_enum_kfd_devices(uint8_t idx, struct kfd_dev **kdev); 824520b8fb7SFelix Kuehling int kfd_numa_node_to_apic_id(int numa_node_id); 8255b5c4e40SEvgeny Pinchuk 8264a488a7aSOded Gabbay /* Interrupts */ 8272249d558SAndrew Lewycky int kfd_interrupt_init(struct kfd_dev *dev); 8282249d558SAndrew Lewycky void kfd_interrupt_exit(struct kfd_dev *dev); 8292249d558SAndrew Lewycky bool enqueue_ih_ring_entry(struct kfd_dev *kfd, const void *ih_ring_entry); 83058e69886SLan Xiao bool interrupt_is_wanted(struct kfd_dev *dev, 83158e69886SLan Xiao const uint32_t *ih_ring_entry, 83258e69886SLan Xiao uint32_t *patched_ihre, bool *flag); 8334a488a7aSOded Gabbay 83419f6d2a6SOded Gabbay /* amdkfd Apertures */ 83519f6d2a6SOded Gabbay int kfd_init_apertures(struct kfd_process *process); 83619f6d2a6SOded Gabbay 837ed6e6a34SBen Goz /* Queue Context Management */ 838e88a614cSEdward O'Callaghan int init_queue(struct queue **q, const struct queue_properties *properties); 839ed6e6a34SBen Goz void uninit_queue(struct queue *q); 84045102048SBen Goz void print_queue_properties(struct queue_properties *q); 841ed6e6a34SBen Goz void print_queue(struct queue *q); 842ed6e6a34SBen Goz 8434b8f589bSBen Goz struct mqd_manager *mqd_manager_init_cik(enum KFD_MQD_TYPE type, 8444b8f589bSBen Goz struct kfd_dev *dev); 845ee04955aSFelix Kuehling struct mqd_manager *mqd_manager_init_cik_hawaii(enum KFD_MQD_TYPE type, 846ee04955aSFelix Kuehling struct kfd_dev *dev); 8474b8f589bSBen Goz struct mqd_manager *mqd_manager_init_vi(enum KFD_MQD_TYPE type, 8484b8f589bSBen Goz struct kfd_dev *dev); 849ee04955aSFelix Kuehling struct mqd_manager *mqd_manager_init_vi_tonga(enum KFD_MQD_TYPE type, 850ee04955aSFelix Kuehling struct kfd_dev *dev); 851b91d43ddSFelix Kuehling struct mqd_manager *mqd_manager_init_v9(enum KFD_MQD_TYPE type, 852b91d43ddSFelix Kuehling struct kfd_dev *dev); 85364c7f8cfSBen Goz struct device_queue_manager *device_queue_manager_init(struct kfd_dev *dev); 85464c7f8cfSBen Goz void device_queue_manager_uninit(struct device_queue_manager *dqm); 855241f24f8SBen Goz struct kernel_queue *kernel_queue_init(struct kfd_dev *dev, 856241f24f8SBen Goz enum kfd_queue_type type); 857241f24f8SBen Goz void kernel_queue_uninit(struct kernel_queue *kq); 8582640c3faSshaoyunl int kfd_process_vm_fault(struct device_queue_manager *dqm, unsigned int pasid); 859241f24f8SBen Goz 86045102048SBen Goz /* Process Queue Manager */ 86145102048SBen Goz struct process_queue_node { 86245102048SBen Goz struct queue *q; 86345102048SBen Goz struct kernel_queue *kq; 86445102048SBen Goz struct list_head process_queue_list; 86545102048SBen Goz }; 86645102048SBen Goz 8679fd3f1bfSFelix Kuehling void kfd_process_dequeue_from_device(struct kfd_process_device *pdd); 8689fd3f1bfSFelix Kuehling void kfd_process_dequeue_from_all_devices(struct kfd_process *p); 86945102048SBen Goz int pqm_init(struct process_queue_manager *pqm, struct kfd_process *p); 87045102048SBen Goz void pqm_uninit(struct process_queue_manager *pqm); 87145102048SBen Goz int pqm_create_queue(struct process_queue_manager *pqm, 87245102048SBen Goz struct kfd_dev *dev, 87345102048SBen Goz struct file *f, 87445102048SBen Goz struct queue_properties *properties, 87545102048SBen Goz unsigned int *qid); 87645102048SBen Goz int pqm_destroy_queue(struct process_queue_manager *pqm, unsigned int qid); 87745102048SBen Goz int pqm_update_queue(struct process_queue_manager *pqm, unsigned int qid, 87845102048SBen Goz struct queue_properties *p); 87939e7f331SFelix Kuehling int pqm_set_cu_mask(struct process_queue_manager *pqm, unsigned int qid, 88039e7f331SFelix Kuehling struct queue_properties *p); 881eb82da1dSOak Zeng int pqm_set_gws(struct process_queue_manager *pqm, unsigned int qid, 882eb82da1dSOak Zeng void *gws); 883fbeb661bSYair Shachar struct kernel_queue *pqm_get_kernel_queue(struct process_queue_manager *pqm, 884fbeb661bSYair Shachar unsigned int qid); 8855df099e8SJay Cornwall int pqm_get_wave_state(struct process_queue_manager *pqm, 8865df099e8SJay Cornwall unsigned int qid, 8875df099e8SJay Cornwall void __user *ctl_stack, 8885df099e8SJay Cornwall u32 *ctl_stack_used_size, 8895df099e8SJay Cornwall u32 *save_area_used_size); 89045102048SBen Goz 891788bf83dSYair Shachar int amdkfd_fence_wait_timeout(unsigned int *fence_addr, 892788bf83dSYair Shachar unsigned int fence_value, 8938c72c3d7SYong Zhao unsigned int timeout_ms); 894788bf83dSYair Shachar 895ed6e6a34SBen Goz /* Packet Manager */ 896ed6e6a34SBen Goz 89764c7f8cfSBen Goz #define KFD_FENCE_COMPLETED (100) 89864c7f8cfSBen Goz #define KFD_FENCE_INIT (10) 899241f24f8SBen Goz 900ed6e6a34SBen Goz struct packet_manager { 901ed6e6a34SBen Goz struct device_queue_manager *dqm; 902ed6e6a34SBen Goz struct kernel_queue *priv_queue; 903ed6e6a34SBen Goz struct mutex lock; 904ed6e6a34SBen Goz bool allocated; 905ed6e6a34SBen Goz struct kfd_mem_obj *ib_buffer_obj; 906851a645eSFelix Kuehling unsigned int ib_size_bytes; 907f6e27ff1SFelix Kuehling 908f6e27ff1SFelix Kuehling const struct packet_manager_funcs *pmf; 909ed6e6a34SBen Goz }; 910ed6e6a34SBen Goz 911f6e27ff1SFelix Kuehling struct packet_manager_funcs { 912f6e27ff1SFelix Kuehling /* Support ASIC-specific packet formats for PM4 packets */ 913f6e27ff1SFelix Kuehling int (*map_process)(struct packet_manager *pm, uint32_t *buffer, 914f6e27ff1SFelix Kuehling struct qcm_process_device *qpd); 915f6e27ff1SFelix Kuehling int (*runlist)(struct packet_manager *pm, uint32_t *buffer, 916f6e27ff1SFelix Kuehling uint64_t ib, size_t ib_size_in_dwords, bool chain); 917f6e27ff1SFelix Kuehling int (*set_resources)(struct packet_manager *pm, uint32_t *buffer, 918f6e27ff1SFelix Kuehling struct scheduling_resources *res); 919f6e27ff1SFelix Kuehling int (*map_queues)(struct packet_manager *pm, uint32_t *buffer, 920f6e27ff1SFelix Kuehling struct queue *q, bool is_static); 921f6e27ff1SFelix Kuehling int (*unmap_queues)(struct packet_manager *pm, uint32_t *buffer, 922f6e27ff1SFelix Kuehling enum kfd_queue_type type, 923f6e27ff1SFelix Kuehling enum kfd_unmap_queues_filter mode, 924f6e27ff1SFelix Kuehling uint32_t filter_param, bool reset, 925f6e27ff1SFelix Kuehling unsigned int sdma_engine); 926f6e27ff1SFelix Kuehling int (*query_status)(struct packet_manager *pm, uint32_t *buffer, 927f6e27ff1SFelix Kuehling uint64_t fence_address, uint32_t fence_value); 928f6e27ff1SFelix Kuehling int (*release_mem)(uint64_t gpu_addr, uint32_t *buffer); 929f6e27ff1SFelix Kuehling 930f6e27ff1SFelix Kuehling /* Packet sizes */ 931f6e27ff1SFelix Kuehling int map_process_size; 932f6e27ff1SFelix Kuehling int runlist_size; 933f6e27ff1SFelix Kuehling int set_resources_size; 934f6e27ff1SFelix Kuehling int map_queues_size; 935f6e27ff1SFelix Kuehling int unmap_queues_size; 936f6e27ff1SFelix Kuehling int query_status_size; 937f6e27ff1SFelix Kuehling int release_mem_size; 938f6e27ff1SFelix Kuehling }; 939f6e27ff1SFelix Kuehling 940f6e27ff1SFelix Kuehling extern const struct packet_manager_funcs kfd_vi_pm_funcs; 941454150b1SFelix Kuehling extern const struct packet_manager_funcs kfd_v9_pm_funcs; 942f6e27ff1SFelix Kuehling 94364c7f8cfSBen Goz int pm_init(struct packet_manager *pm, struct device_queue_manager *dqm); 94464c7f8cfSBen Goz void pm_uninit(struct packet_manager *pm); 94564c7f8cfSBen Goz int pm_send_set_resources(struct packet_manager *pm, 94664c7f8cfSBen Goz struct scheduling_resources *res); 94764c7f8cfSBen Goz int pm_send_runlist(struct packet_manager *pm, struct list_head *dqm_queues); 94864c7f8cfSBen Goz int pm_send_query_status(struct packet_manager *pm, uint64_t fence_address, 94964c7f8cfSBen Goz uint32_t fence_value); 95064c7f8cfSBen Goz 95164c7f8cfSBen Goz int pm_send_unmap_queue(struct packet_manager *pm, enum kfd_queue_type type, 9527da2bcf8SYong Zhao enum kfd_unmap_queues_filter mode, 95364c7f8cfSBen Goz uint32_t filter_param, bool reset, 95464c7f8cfSBen Goz unsigned int sdma_engine); 95564c7f8cfSBen Goz 956241f24f8SBen Goz void pm_release_ib(struct packet_manager *pm); 957241f24f8SBen Goz 958454150b1SFelix Kuehling /* Following PM funcs can be shared among VI and AI */ 959454150b1SFelix Kuehling unsigned int pm_build_pm4_header(unsigned int opcode, size_t packet_size); 960454150b1SFelix Kuehling int pm_set_resources_vi(struct packet_manager *pm, uint32_t *buffer, 961454150b1SFelix Kuehling struct scheduling_resources *res); 962454150b1SFelix Kuehling 96319f6d2a6SOded Gabbay uint64_t kfd_get_number_elems(struct kfd_dev *kfd); 96419f6d2a6SOded Gabbay 965f3a39818SAndrew Lewycky /* Events */ 966f3a39818SAndrew Lewycky extern const struct kfd_event_interrupt_class event_interrupt_class_cik; 967ca750681SFelix Kuehling extern const struct kfd_event_interrupt_class event_interrupt_class_v9; 968ca750681SFelix Kuehling 969930c5ff4SAlexey Skidanov extern const struct kfd_device_global_init_class device_global_init_class_cik; 970f3a39818SAndrew Lewycky 971f3a39818SAndrew Lewycky void kfd_event_init_process(struct kfd_process *p); 972f3a39818SAndrew Lewycky void kfd_event_free_process(struct kfd_process *p); 973f3a39818SAndrew Lewycky int kfd_event_mmap(struct kfd_process *process, struct vm_area_struct *vma); 974f3a39818SAndrew Lewycky int kfd_wait_on_events(struct kfd_process *p, 97559d3e8beSAlexey Skidanov uint32_t num_events, void __user *data, 976f3a39818SAndrew Lewycky bool all, uint32_t user_timeout_ms, 977fdf0c833SFelix Kuehling uint32_t *wait_result); 978f3a39818SAndrew Lewycky void kfd_signal_event_interrupt(unsigned int pasid, uint32_t partial_id, 979f3a39818SAndrew Lewycky uint32_t valid_id_bits); 98059d3e8beSAlexey Skidanov void kfd_signal_iommu_event(struct kfd_dev *dev, 98159d3e8beSAlexey Skidanov unsigned int pasid, unsigned long address, 98259d3e8beSAlexey Skidanov bool is_write_requested, bool is_execute_requested); 983930c5ff4SAlexey Skidanov void kfd_signal_hw_exception_event(unsigned int pasid); 984f3a39818SAndrew Lewycky int kfd_set_event(struct kfd_process *p, uint32_t event_id); 985f3a39818SAndrew Lewycky int kfd_reset_event(struct kfd_process *p, uint32_t event_id); 9860fc8011fSFelix Kuehling int kfd_event_page_set(struct kfd_process *p, void *kernel_address, 9870fc8011fSFelix Kuehling uint64_t size); 988f3a39818SAndrew Lewycky int kfd_event_create(struct file *devkfd, struct kfd_process *p, 989f3a39818SAndrew Lewycky uint32_t event_type, bool auto_reset, uint32_t node_id, 990f3a39818SAndrew Lewycky uint32_t *event_id, uint32_t *event_trigger_data, 991f3a39818SAndrew Lewycky uint64_t *event_page_offset, uint32_t *event_slot_index); 992f3a39818SAndrew Lewycky int kfd_event_destroy(struct kfd_process *p, uint32_t event_id); 993f3a39818SAndrew Lewycky 9942640c3faSshaoyunl void kfd_signal_vm_fault_event(struct kfd_dev *dev, unsigned int pasid, 9952640c3faSshaoyunl struct kfd_vm_fault_info *info); 9962640c3faSshaoyunl 997e42051d2SShaoyun Liu void kfd_signal_reset_event(struct kfd_dev *dev); 998e42051d2SShaoyun Liu 999403575c4SFelix Kuehling void kfd_flush_tlb(struct kfd_process_device *pdd); 1000403575c4SFelix Kuehling 1001c3447e81SBen Goz int dbgdev_wave_reset_wavefronts(struct kfd_dev *dev, struct kfd_process *p); 1002c3447e81SBen Goz 1003e42051d2SShaoyun Liu bool kfd_is_locked(void); 1004e42051d2SShaoyun Liu 1005f756e631SHarish Kasiviswanathan /* Compute profile */ 1006f756e631SHarish Kasiviswanathan void kfd_inc_compute_active(struct kfd_dev *dev); 1007f756e631SHarish Kasiviswanathan void kfd_dec_compute_active(struct kfd_dev *dev); 1008f756e631SHarish Kasiviswanathan 1009851a645eSFelix Kuehling /* Debugfs */ 1010851a645eSFelix Kuehling #if defined(CONFIG_DEBUG_FS) 1011851a645eSFelix Kuehling 1012851a645eSFelix Kuehling void kfd_debugfs_init(void); 1013851a645eSFelix Kuehling void kfd_debugfs_fini(void); 1014851a645eSFelix Kuehling int kfd_debugfs_mqds_by_process(struct seq_file *m, void *data); 1015851a645eSFelix Kuehling int pqm_debugfs_mqds(struct seq_file *m, void *data); 1016851a645eSFelix Kuehling int kfd_debugfs_hqds_by_device(struct seq_file *m, void *data); 1017851a645eSFelix Kuehling int dqm_debugfs_hqds(struct seq_file *m, void *data); 1018851a645eSFelix Kuehling int kfd_debugfs_rls_by_device(struct seq_file *m, void *data); 1019851a645eSFelix Kuehling int pm_debugfs_runlist(struct seq_file *m, void *data); 1020851a645eSFelix Kuehling 1021a29ec470SShaoyun Liu int kfd_debugfs_hang_hws(struct kfd_dev *dev); 1022a29ec470SShaoyun Liu int pm_debugfs_hang_hws(struct packet_manager *pm); 1023a29ec470SShaoyun Liu int dqm_debugfs_execute_queues(struct device_queue_manager *dqm); 1024a29ec470SShaoyun Liu 1025851a645eSFelix Kuehling #else 1026851a645eSFelix Kuehling 1027851a645eSFelix Kuehling static inline void kfd_debugfs_init(void) {} 1028851a645eSFelix Kuehling static inline void kfd_debugfs_fini(void) {} 1029851a645eSFelix Kuehling 1030851a645eSFelix Kuehling #endif 1031851a645eSFelix Kuehling 10324a488a7aSOded Gabbay #endif 1033