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) 62df03ef93SHarish Kasiviswanathan 63df03ef93SHarish Kasiviswanathan #define KFD_MMAP_GPU_ID_SHIFT (46 - PAGE_SHIFT) 64df03ef93SHarish Kasiviswanathan #define KFD_MMAP_GPU_ID_MASK (((1ULL << KFD_GPU_ID_HASH_WIDTH) - 1) \ 65df03ef93SHarish Kasiviswanathan << KFD_MMAP_GPU_ID_SHIFT) 66df03ef93SHarish Kasiviswanathan #define KFD_MMAP_GPU_ID(gpu_id) ((((uint64_t)gpu_id) << KFD_MMAP_GPU_ID_SHIFT)\ 67df03ef93SHarish Kasiviswanathan & KFD_MMAP_GPU_ID_MASK) 68df03ef93SHarish Kasiviswanathan #define KFD_MMAP_GPU_ID_GET(offset) ((offset & KFD_MMAP_GPU_ID_MASK) \ 69df03ef93SHarish Kasiviswanathan >> KFD_MMAP_GPU_ID_SHIFT) 70df03ef93SHarish Kasiviswanathan 71df03ef93SHarish Kasiviswanathan #define KFD_MMAP_OFFSET_VALUE_MASK (0x3FFFFFFFFFFFULL >> PAGE_SHIFT) 72df03ef93SHarish Kasiviswanathan #define KFD_MMAP_OFFSET_VALUE_GET(offset) (offset & KFD_MMAP_OFFSET_VALUE_MASK) 73f3a39818SAndrew Lewycky 74ed6e6a34SBen Goz /* 75ed6e6a34SBen Goz * When working with cp scheduler we should assign the HIQ manually or via 76e7016d8eSYong Zhao * the amdgpu driver to a fixed hqd slot, here are the fixed HIQ hqd slot 77ed6e6a34SBen Goz * definitions for Kaveri. In Kaveri only the first ME queues participates 78ed6e6a34SBen Goz * in the cp scheduling taking that in mind we set the HIQ slot in the 79ed6e6a34SBen Goz * second ME. 80ed6e6a34SBen Goz */ 81ed6e6a34SBen Goz #define KFD_CIK_HIQ_PIPE 4 82ed6e6a34SBen Goz #define KFD_CIK_HIQ_QUEUE 0 83ed6e6a34SBen Goz 845b5c4e40SEvgeny Pinchuk /* Macro for allocating structures */ 855b5c4e40SEvgeny Pinchuk #define kfd_alloc_struct(ptr_to_struct) \ 865b5c4e40SEvgeny Pinchuk ((typeof(ptr_to_struct)) kzalloc(sizeof(*ptr_to_struct), GFP_KERNEL)) 875b5c4e40SEvgeny Pinchuk 8819f6d2a6SOded Gabbay #define KFD_MAX_NUM_OF_PROCESSES 512 89b8cbab04SOded Gabbay #define KFD_MAX_NUM_OF_QUEUES_PER_PROCESS 1024 9019f6d2a6SOded Gabbay 9119f6d2a6SOded Gabbay /* 92373d7080SFelix Kuehling * Size of the per-process TBA+TMA buffer: 2 pages 93373d7080SFelix Kuehling * 94373d7080SFelix Kuehling * The first page is the TBA used for the CWSR ISA code. The second 95373d7080SFelix Kuehling * page is used as TMA for daisy changing a user-mode trap handler. 96373d7080SFelix Kuehling */ 97373d7080SFelix Kuehling #define KFD_CWSR_TBA_TMA_SIZE (PAGE_SIZE * 2) 98373d7080SFelix Kuehling #define KFD_CWSR_TMA_OFFSET PAGE_SIZE 99373d7080SFelix Kuehling 100373d7080SFelix Kuehling /* 101b8cbab04SOded Gabbay * Kernel module parameter to specify maximum number of supported queues per 102b8cbab04SOded Gabbay * device 10319f6d2a6SOded Gabbay */ 104b8cbab04SOded Gabbay extern int max_num_of_queues_per_device; 10519f6d2a6SOded Gabbay 106b8cbab04SOded Gabbay #define KFD_MAX_NUM_OF_QUEUES_PER_DEVICE \ 107b8cbab04SOded Gabbay (KFD_MAX_NUM_OF_PROCESSES * \ 108b8cbab04SOded Gabbay KFD_MAX_NUM_OF_QUEUES_PER_PROCESS) 10919f6d2a6SOded Gabbay 110ed6e6a34SBen Goz #define KFD_KERNEL_QUEUE_SIZE 2048 111ed6e6a34SBen Goz 11231c21fecSBen Goz /* Kernel module parameter to specify the scheduling policy */ 11331c21fecSBen Goz extern int sched_policy; 11431c21fecSBen Goz 115a99c6d4fSFelix Kuehling /* 116a99c6d4fSFelix Kuehling * Kernel module parameter to specify the maximum process 117a99c6d4fSFelix Kuehling * number per HW scheduler 118a99c6d4fSFelix Kuehling */ 119a99c6d4fSFelix Kuehling extern int hws_max_conc_proc; 120a99c6d4fSFelix Kuehling 121373d7080SFelix Kuehling extern int cwsr_enable; 122373d7080SFelix Kuehling 12381663016SOded Gabbay /* 12481663016SOded Gabbay * Kernel module parameter to specify whether to send sigterm to HSA process on 12581663016SOded Gabbay * unhandled exception 12681663016SOded Gabbay */ 12781663016SOded Gabbay extern int send_sigterm; 12881663016SOded Gabbay 129ebcfd1e2SFelix Kuehling /* 130374200b1SFelix Kuehling * This kernel module is used to simulate large bar machine on non-large bar 131374200b1SFelix Kuehling * enabled machines. 132374200b1SFelix Kuehling */ 133374200b1SFelix Kuehling extern int debug_largebar; 134374200b1SFelix Kuehling 135374200b1SFelix Kuehling /* 136ebcfd1e2SFelix Kuehling * Ignore CRAT table during KFD initialization, can be used to work around 137ebcfd1e2SFelix Kuehling * broken CRAT tables on some AMD systems 138ebcfd1e2SFelix Kuehling */ 139ebcfd1e2SFelix Kuehling extern int ignore_crat; 140ebcfd1e2SFelix Kuehling 141bed4f110SFelix Kuehling /* 142bed4f110SFelix Kuehling * Set sh_mem_config.retry_disable on Vega10 143bed4f110SFelix Kuehling */ 1442b281977SYong Zhao extern int noretry; 145bed4f110SFelix Kuehling 1460e9a860cSYong Zhao /* 1470e9a860cSYong Zhao * Halt if HWS hang is detected 1480e9a860cSYong Zhao */ 1490e9a860cSYong Zhao extern int halt_if_hws_hang; 1500e9a860cSYong Zhao 151ed6e6a34SBen Goz enum cache_policy { 152ed6e6a34SBen Goz cache_policy_coherent, 153ed6e6a34SBen Goz cache_policy_noncoherent 154ed6e6a34SBen Goz }; 155ed6e6a34SBen Goz 156ef568db7SFelix Kuehling #define KFD_IS_SOC15(chip) ((chip) >= CHIP_VEGA10) 157ef568db7SFelix Kuehling 158f3a39818SAndrew Lewycky struct kfd_event_interrupt_class { 159f3a39818SAndrew Lewycky bool (*interrupt_isr)(struct kfd_dev *dev, 16058e69886SLan Xiao const uint32_t *ih_ring_entry, uint32_t *patched_ihre, 16158e69886SLan Xiao bool *patched_flag); 162f3a39818SAndrew Lewycky void (*interrupt_wq)(struct kfd_dev *dev, 163f3a39818SAndrew Lewycky const uint32_t *ih_ring_entry); 164f3a39818SAndrew Lewycky }; 165f3a39818SAndrew Lewycky 1664a488a7aSOded Gabbay struct kfd_device_info { 167e596b903SYong Zhao enum amd_asic_type asic_family; 168f3a39818SAndrew Lewycky const struct kfd_event_interrupt_class *event_interrupt_class; 1694a488a7aSOded Gabbay unsigned int max_pasid_bits; 170992839adSYair Shachar unsigned int max_no_of_hqd; 171ada2b29cSFelix Kuehling unsigned int doorbell_size; 1724a488a7aSOded Gabbay size_t ih_ring_entry_size; 173f7c826adSAlexey Skidanov uint8_t num_of_watch_points; 17419f6d2a6SOded Gabbay uint16_t mqd_size_aligned; 175373d7080SFelix Kuehling bool supports_cwsr; 17664d1c3a4SFelix Kuehling bool needs_iommu_device; 1773ee2d00cSFelix Kuehling bool needs_pci_atomics; 17898bb9222SYong Zhao unsigned int num_sdma_engines; 1794a488a7aSOded Gabbay }; 1804a488a7aSOded Gabbay 18136b5c08fSOded Gabbay struct kfd_mem_obj { 18236b5c08fSOded Gabbay uint32_t range_start; 18336b5c08fSOded Gabbay uint32_t range_end; 18436b5c08fSOded Gabbay uint64_t gpu_addr; 18536b5c08fSOded Gabbay uint32_t *cpu_ptr; 186b91d43ddSFelix Kuehling void *gtt_mem; 18736b5c08fSOded Gabbay }; 18836b5c08fSOded Gabbay 18944008d7aSYong Zhao struct kfd_vmid_info { 19044008d7aSYong Zhao uint32_t first_vmid_kfd; 19144008d7aSYong Zhao uint32_t last_vmid_kfd; 19244008d7aSYong Zhao uint32_t vmid_num_kfd; 19344008d7aSYong Zhao }; 19444008d7aSYong Zhao 1954a488a7aSOded Gabbay struct kfd_dev { 1964a488a7aSOded Gabbay struct kgd_dev *kgd; 1974a488a7aSOded Gabbay 1984a488a7aSOded Gabbay const struct kfd_device_info *device_info; 1994a488a7aSOded Gabbay struct pci_dev *pdev; 2004a488a7aSOded Gabbay 2014a488a7aSOded Gabbay unsigned int id; /* topology stub index */ 2024a488a7aSOded Gabbay 20319f6d2a6SOded Gabbay phys_addr_t doorbell_base; /* Start of actual doorbells used by 20419f6d2a6SOded Gabbay * KFD. It is aligned for mapping 20519f6d2a6SOded Gabbay * into user mode 20619f6d2a6SOded Gabbay */ 20719f6d2a6SOded Gabbay size_t doorbell_id_offset; /* Doorbell offset (from KFD doorbell 20819f6d2a6SOded Gabbay * to HW doorbell, GFX reserved some 20919f6d2a6SOded Gabbay * at the start) 21019f6d2a6SOded Gabbay */ 21119f6d2a6SOded Gabbay u32 __iomem *doorbell_kernel_ptr; /* This is a pointer for a doorbells 21219f6d2a6SOded Gabbay * page used by kernel queue 21319f6d2a6SOded Gabbay */ 21419f6d2a6SOded Gabbay 2154a488a7aSOded Gabbay struct kgd2kfd_shared_resources shared_resources; 21644008d7aSYong Zhao struct kfd_vmid_info vm_info; 2174a488a7aSOded Gabbay 218cea405b1SXihan Zhang const struct kfd2kgd_calls *kfd2kgd; 219cea405b1SXihan Zhang struct mutex doorbell_mutex; 220f761d8bdSJoe Perches DECLARE_BITMAP(doorbell_available_index, 221f761d8bdSJoe Perches KFD_MAX_NUM_OF_QUEUES_PER_PROCESS); 222cea405b1SXihan Zhang 22336b5c08fSOded Gabbay void *gtt_mem; 22436b5c08fSOded Gabbay uint64_t gtt_start_gpu_addr; 22536b5c08fSOded Gabbay void *gtt_start_cpu_ptr; 22636b5c08fSOded Gabbay void *gtt_sa_bitmap; 22736b5c08fSOded Gabbay struct mutex gtt_sa_lock; 22836b5c08fSOded Gabbay unsigned int gtt_sa_chunk_size; 22936b5c08fSOded Gabbay unsigned int gtt_sa_num_of_chunks; 23036b5c08fSOded Gabbay 2312249d558SAndrew Lewycky /* Interrupts */ 23204ad47bdSAndres Rodriguez struct kfifo ih_fifo; 23348e876a2SAndres Rodriguez struct workqueue_struct *ih_wq; 2342249d558SAndrew Lewycky struct work_struct interrupt_work; 2352249d558SAndrew Lewycky spinlock_t interrupt_lock; 2362249d558SAndrew Lewycky 237ed6e6a34SBen Goz /* QCM Device instance */ 238ed6e6a34SBen Goz struct device_queue_manager *dqm; 2394a488a7aSOded Gabbay 240ed6e6a34SBen Goz bool init_complete; 2412249d558SAndrew Lewycky /* 2422249d558SAndrew Lewycky * Interrupts of interest to KFD are copied 2432249d558SAndrew Lewycky * from the HW ring into a SW ring. 2442249d558SAndrew Lewycky */ 2452249d558SAndrew Lewycky bool interrupts_active; 246fbeb661bSYair Shachar 247fbeb661bSYair Shachar /* Debug manager */ 248fbeb661bSYair Shachar struct kfd_dbgmgr *dbgmgr; 249373d7080SFelix Kuehling 2505ade6c9cSFelix Kuehling /* Firmware versions */ 2515ade6c9cSFelix Kuehling uint16_t mec_fw_version; 2525ade6c9cSFelix Kuehling uint16_t sdma_fw_version; 2535ade6c9cSFelix Kuehling 254a99c6d4fSFelix Kuehling /* Maximum process number mapped to HW scheduler */ 255a99c6d4fSFelix Kuehling unsigned int max_proc_per_quantum; 256a99c6d4fSFelix Kuehling 257373d7080SFelix Kuehling /* CWSR */ 258373d7080SFelix Kuehling bool cwsr_enabled; 259373d7080SFelix Kuehling const void *cwsr_isa; 260373d7080SFelix Kuehling unsigned int cwsr_isa_size; 2610c1690e3SShaoyun Liu 2620c1690e3SShaoyun Liu /* xGMI */ 2630c1690e3SShaoyun Liu uint64_t hive_id; 264d35f00d8SEric Huang 265d35f00d8SEric Huang bool pci_atomic_requested; 2664a488a7aSOded Gabbay }; 2674a488a7aSOded Gabbay 2684a488a7aSOded Gabbay /* KGD2KFD callbacks */ 2694a488a7aSOded Gabbay void kgd2kfd_exit(void); 270cea405b1SXihan Zhang struct kfd_dev *kgd2kfd_probe(struct kgd_dev *kgd, 271cea405b1SXihan Zhang struct pci_dev *pdev, const struct kfd2kgd_calls *f2g); 2724a488a7aSOded Gabbay bool kgd2kfd_device_init(struct kfd_dev *kfd, 2734a488a7aSOded Gabbay const struct kgd2kfd_shared_resources *gpu_resources); 2744a488a7aSOded Gabbay void kgd2kfd_device_exit(struct kfd_dev *kfd); 2754a488a7aSOded Gabbay 27619f6d2a6SOded Gabbay enum kfd_mempool { 27719f6d2a6SOded Gabbay KFD_MEMPOOL_SYSTEM_CACHEABLE = 1, 27819f6d2a6SOded Gabbay KFD_MEMPOOL_SYSTEM_WRITECOMBINE = 2, 27919f6d2a6SOded Gabbay KFD_MEMPOOL_FRAMEBUFFER = 3, 28019f6d2a6SOded Gabbay }; 28119f6d2a6SOded Gabbay 2824a488a7aSOded Gabbay /* Character device interface */ 2834a488a7aSOded Gabbay int kfd_chardev_init(void); 2844a488a7aSOded Gabbay void kfd_chardev_exit(void); 2854a488a7aSOded Gabbay struct device *kfd_chardev(void); 2864a488a7aSOded Gabbay 287241f24f8SBen Goz /** 2887da2bcf8SYong Zhao * enum kfd_unmap_queues_filter 289241f24f8SBen Goz * 2907da2bcf8SYong Zhao * @KFD_UNMAP_QUEUES_FILTER_SINGLE_QUEUE: Preempts single queue. 291241f24f8SBen Goz * 2927da2bcf8SYong Zhao * @KFD_UNMAP_QUEUES_FILTER_ALL_QUEUES: Preempts all queues in the 293241f24f8SBen Goz * running queues list. 294241f24f8SBen Goz * 2957da2bcf8SYong Zhao * @KFD_UNMAP_QUEUES_FILTER_BY_PASID: Preempts queues that belongs to 296241f24f8SBen Goz * specific process. 297241f24f8SBen Goz * 298241f24f8SBen Goz */ 2997da2bcf8SYong Zhao enum kfd_unmap_queues_filter { 3007da2bcf8SYong Zhao KFD_UNMAP_QUEUES_FILTER_SINGLE_QUEUE, 3017da2bcf8SYong Zhao KFD_UNMAP_QUEUES_FILTER_ALL_QUEUES, 3027da2bcf8SYong Zhao KFD_UNMAP_QUEUES_FILTER_DYNAMIC_QUEUES, 3037da2bcf8SYong Zhao KFD_UNMAP_QUEUES_FILTER_BY_PASID 304241f24f8SBen Goz }; 30519f6d2a6SOded Gabbay 306ed8aab45SBen Goz /** 307ed8aab45SBen Goz * enum kfd_queue_type 308ed8aab45SBen Goz * 309ed8aab45SBen Goz * @KFD_QUEUE_TYPE_COMPUTE: Regular user mode queue type. 310ed8aab45SBen Goz * 311ed8aab45SBen Goz * @KFD_QUEUE_TYPE_SDMA: Sdma user mode queue type. 312ed8aab45SBen Goz * 313ed8aab45SBen Goz * @KFD_QUEUE_TYPE_HIQ: HIQ queue type. 314ed8aab45SBen Goz * 315ed8aab45SBen Goz * @KFD_QUEUE_TYPE_DIQ: DIQ queue type. 316ed8aab45SBen Goz */ 317ed8aab45SBen Goz enum kfd_queue_type { 318ed8aab45SBen Goz KFD_QUEUE_TYPE_COMPUTE, 319ed8aab45SBen Goz KFD_QUEUE_TYPE_SDMA, 320ed8aab45SBen Goz KFD_QUEUE_TYPE_HIQ, 321ed8aab45SBen Goz KFD_QUEUE_TYPE_DIQ 322ed8aab45SBen Goz }; 323ed8aab45SBen Goz 3246e99df57SBen Goz enum kfd_queue_format { 3256e99df57SBen Goz KFD_QUEUE_FORMAT_PM4, 3266e99df57SBen Goz KFD_QUEUE_FORMAT_AQL 3276e99df57SBen Goz }; 3286e99df57SBen Goz 329ed8aab45SBen Goz /** 330ed8aab45SBen Goz * struct queue_properties 331ed8aab45SBen Goz * 332ed8aab45SBen Goz * @type: The queue type. 333ed8aab45SBen Goz * 334ed8aab45SBen Goz * @queue_id: Queue identifier. 335ed8aab45SBen Goz * 336ed8aab45SBen Goz * @queue_address: Queue ring buffer address. 337ed8aab45SBen Goz * 338ed8aab45SBen Goz * @queue_size: Queue ring buffer size. 339ed8aab45SBen Goz * 340ed8aab45SBen Goz * @priority: Defines the queue priority relative to other queues in the 341ed8aab45SBen Goz * process. 342ed8aab45SBen Goz * This is just an indication and HW scheduling may override the priority as 343ed8aab45SBen Goz * necessary while keeping the relative prioritization. 344ed8aab45SBen Goz * the priority granularity is from 0 to f which f is the highest priority. 345ed8aab45SBen Goz * currently all queues are initialized with the highest priority. 346ed8aab45SBen Goz * 347ed8aab45SBen Goz * @queue_percent: This field is partially implemented and currently a zero in 348ed8aab45SBen Goz * this field defines that the queue is non active. 349ed8aab45SBen Goz * 350ed8aab45SBen Goz * @read_ptr: User space address which points to the number of dwords the 351ed8aab45SBen Goz * cp read from the ring buffer. This field updates automatically by the H/W. 352ed8aab45SBen Goz * 353ed8aab45SBen Goz * @write_ptr: Defines the number of dwords written to the ring buffer. 354ed8aab45SBen Goz * 355ed8aab45SBen Goz * @doorbell_ptr: This field aim is to notify the H/W of new packet written to 3568eabaf54SKent Russell * the queue ring buffer. This field should be similar to write_ptr and the 3578eabaf54SKent Russell * user should update this field after he updated the write_ptr. 358ed8aab45SBen Goz * 359ed8aab45SBen Goz * @doorbell_off: The doorbell offset in the doorbell pci-bar. 360ed8aab45SBen Goz * 3618eabaf54SKent Russell * @is_interop: Defines if this is a interop queue. Interop queue means that 3628eabaf54SKent Russell * the queue can access both graphics and compute resources. 363ed8aab45SBen Goz * 36426103436SFelix Kuehling * @is_evicted: Defines if the queue is evicted. Only active queues 36526103436SFelix Kuehling * are evicted, rendering them inactive. 36626103436SFelix Kuehling * 36726103436SFelix Kuehling * @is_active: Defines if the queue is active or not. @is_active and 36826103436SFelix Kuehling * @is_evicted are protected by the DQM lock. 369ed8aab45SBen Goz * 370ed8aab45SBen Goz * @vmid: If the scheduling mode is no cp scheduling the field defines the vmid 371ed8aab45SBen Goz * of the queue. 372ed8aab45SBen Goz * 373ed8aab45SBen Goz * This structure represents the queue properties for each queue no matter if 374ed8aab45SBen Goz * it's user mode or kernel mode queue. 375ed8aab45SBen Goz * 376ed8aab45SBen Goz */ 377ed8aab45SBen Goz struct queue_properties { 378ed8aab45SBen Goz enum kfd_queue_type type; 3796e99df57SBen Goz enum kfd_queue_format format; 380ed8aab45SBen Goz unsigned int queue_id; 381ed8aab45SBen Goz uint64_t queue_address; 382ed8aab45SBen Goz uint64_t queue_size; 383ed8aab45SBen Goz uint32_t priority; 384ed8aab45SBen Goz uint32_t queue_percent; 385ed8aab45SBen Goz uint32_t *read_ptr; 386ed8aab45SBen Goz uint32_t *write_ptr; 387ada2b29cSFelix Kuehling void __iomem *doorbell_ptr; 388ed8aab45SBen Goz uint32_t doorbell_off; 389ed8aab45SBen Goz bool is_interop; 39026103436SFelix Kuehling bool is_evicted; 391ed8aab45SBen Goz bool is_active; 392ed8aab45SBen Goz /* Not relevant for user mode queues in cp scheduling */ 393ed8aab45SBen Goz unsigned int vmid; 39477669eb8SBen Goz /* Relevant only for sdma queues*/ 39577669eb8SBen Goz uint32_t sdma_engine_id; 39677669eb8SBen Goz uint32_t sdma_queue_id; 39777669eb8SBen Goz uint32_t sdma_vm_addr; 398ff3d04a1SBen Goz /* Relevant only for VI */ 399ff3d04a1SBen Goz uint64_t eop_ring_buffer_address; 400ff3d04a1SBen Goz uint32_t eop_ring_buffer_size; 401ff3d04a1SBen Goz uint64_t ctx_save_restore_area_address; 402ff3d04a1SBen Goz uint32_t ctx_save_restore_area_size; 403373d7080SFelix Kuehling uint32_t ctl_stack_size; 404373d7080SFelix Kuehling uint64_t tba_addr; 405373d7080SFelix Kuehling uint64_t tma_addr; 40639e7f331SFelix Kuehling /* Relevant for CU */ 40739e7f331SFelix Kuehling uint32_t cu_mask_count; /* Must be a multiple of 32 */ 40839e7f331SFelix Kuehling uint32_t *cu_mask; 409ed8aab45SBen Goz }; 410ed8aab45SBen Goz 411ed8aab45SBen Goz /** 412ed8aab45SBen Goz * struct queue 413ed8aab45SBen Goz * 414ed8aab45SBen Goz * @list: Queue linked list. 415ed8aab45SBen Goz * 416ed8aab45SBen Goz * @mqd: The queue MQD. 417ed8aab45SBen Goz * 418ed8aab45SBen Goz * @mqd_mem_obj: The MQD local gpu memory object. 419ed8aab45SBen Goz * 420ed8aab45SBen Goz * @gart_mqd_addr: The MQD gart mc address. 421ed8aab45SBen Goz * 422ed8aab45SBen Goz * @properties: The queue properties. 423ed8aab45SBen Goz * 424ed8aab45SBen Goz * @mec: Used only in no cp scheduling mode and identifies to micro engine id 425ed8aab45SBen Goz * that the queue should be execute on. 426ed8aab45SBen Goz * 4278eabaf54SKent Russell * @pipe: Used only in no cp scheduling mode and identifies the queue's pipe 4288eabaf54SKent Russell * id. 429ed8aab45SBen Goz * 430ed8aab45SBen Goz * @queue: Used only in no cp scheduliong mode and identifies the queue's slot. 431ed8aab45SBen Goz * 432ed8aab45SBen Goz * @process: The kfd process that created this queue. 433ed8aab45SBen Goz * 434ed8aab45SBen Goz * @device: The kfd device that created this queue. 435ed8aab45SBen Goz * 436ed8aab45SBen Goz * This structure represents user mode compute queues. 437ed8aab45SBen Goz * It contains all the necessary data to handle such queues. 438ed8aab45SBen Goz * 439ed8aab45SBen Goz */ 440ed8aab45SBen Goz 441ed8aab45SBen Goz struct queue { 442ed8aab45SBen Goz struct list_head list; 443ed8aab45SBen Goz void *mqd; 444ed8aab45SBen Goz struct kfd_mem_obj *mqd_mem_obj; 445ed8aab45SBen Goz uint64_t gart_mqd_addr; 446ed8aab45SBen Goz struct queue_properties properties; 447ed8aab45SBen Goz 448ed8aab45SBen Goz uint32_t mec; 449ed8aab45SBen Goz uint32_t pipe; 450ed8aab45SBen Goz uint32_t queue; 451ed8aab45SBen Goz 45277669eb8SBen Goz unsigned int sdma_id; 453ef568db7SFelix Kuehling unsigned int doorbell_id; 45477669eb8SBen Goz 455ed8aab45SBen Goz struct kfd_process *process; 456ed8aab45SBen Goz struct kfd_dev *device; 457ed8aab45SBen Goz }; 458ed8aab45SBen Goz 4596e99df57SBen Goz /* 4606e99df57SBen Goz * Please read the kfd_mqd_manager.h description. 4616e99df57SBen Goz */ 4626e99df57SBen Goz enum KFD_MQD_TYPE { 46385d258f9SBen Goz KFD_MQD_TYPE_COMPUTE = 0, /* for no cp scheduling */ 46485d258f9SBen Goz KFD_MQD_TYPE_HIQ, /* for hiq */ 46585d258f9SBen Goz KFD_MQD_TYPE_CP, /* for cp queues and diq */ 46685d258f9SBen Goz KFD_MQD_TYPE_SDMA, /* for sdma queues */ 4676e99df57SBen Goz KFD_MQD_TYPE_MAX 4686e99df57SBen Goz }; 4696e99df57SBen Goz 470241f24f8SBen Goz struct scheduling_resources { 471241f24f8SBen Goz unsigned int vmid_mask; 472241f24f8SBen Goz enum kfd_queue_type type; 473241f24f8SBen Goz uint64_t queue_mask; 474241f24f8SBen Goz uint64_t gws_mask; 475241f24f8SBen Goz uint32_t oac_mask; 476241f24f8SBen Goz uint32_t gds_heap_base; 477241f24f8SBen Goz uint32_t gds_heap_size; 478241f24f8SBen Goz }; 479241f24f8SBen Goz 480241f24f8SBen Goz struct process_queue_manager { 481241f24f8SBen Goz /* data */ 482241f24f8SBen Goz struct kfd_process *process; 483241f24f8SBen Goz struct list_head queues; 484241f24f8SBen Goz unsigned long *queue_slot_bitmap; 485241f24f8SBen Goz }; 486241f24f8SBen Goz 487241f24f8SBen Goz struct qcm_process_device { 488241f24f8SBen Goz /* The Device Queue Manager that owns this data */ 489241f24f8SBen Goz struct device_queue_manager *dqm; 490241f24f8SBen Goz struct process_queue_manager *pqm; 491241f24f8SBen Goz /* Queues list */ 492241f24f8SBen Goz struct list_head queues_list; 493241f24f8SBen Goz struct list_head priv_queue_list; 494241f24f8SBen Goz 495241f24f8SBen Goz unsigned int queue_count; 496241f24f8SBen Goz unsigned int vmid; 497241f24f8SBen Goz bool is_debug; 49826103436SFelix Kuehling unsigned int evicted; /* eviction counter, 0=active */ 4999fd3f1bfSFelix Kuehling 5009fd3f1bfSFelix Kuehling /* This flag tells if we should reset all wavefronts on 5019fd3f1bfSFelix Kuehling * process termination 5029fd3f1bfSFelix Kuehling */ 5039fd3f1bfSFelix Kuehling bool reset_wavefronts; 5049fd3f1bfSFelix Kuehling 505241f24f8SBen Goz /* 506241f24f8SBen Goz * All the memory management data should be here too 507241f24f8SBen Goz */ 508241f24f8SBen Goz uint64_t gds_context_area; 509241f24f8SBen Goz uint32_t sh_mem_config; 510241f24f8SBen Goz uint32_t sh_mem_bases; 511241f24f8SBen Goz uint32_t sh_mem_ape1_base; 512241f24f8SBen Goz uint32_t sh_mem_ape1_limit; 513241f24f8SBen Goz uint32_t page_table_base; 514241f24f8SBen Goz uint32_t gds_size; 515241f24f8SBen Goz uint32_t num_gws; 516241f24f8SBen Goz uint32_t num_oac; 5176a1c9510SMoses Reuben uint32_t sh_hidden_private_base; 518373d7080SFelix Kuehling 519373d7080SFelix Kuehling /* CWSR memory */ 520373d7080SFelix Kuehling void *cwsr_kaddr; 521d01994c2SFelix Kuehling uint64_t cwsr_base; 522373d7080SFelix Kuehling uint64_t tba_addr; 523373d7080SFelix Kuehling uint64_t tma_addr; 524d01994c2SFelix Kuehling 525d01994c2SFelix Kuehling /* IB memory */ 526d01994c2SFelix Kuehling uint64_t ib_base; 527552764b6SFelix Kuehling void *ib_kaddr; 528ef568db7SFelix Kuehling 529ef568db7SFelix Kuehling /* doorbell resources per process per device */ 530ef568db7SFelix Kuehling unsigned long *doorbell_bitmap; 531241f24f8SBen Goz }; 532241f24f8SBen Goz 53326103436SFelix Kuehling /* KFD Memory Eviction */ 53426103436SFelix Kuehling 53526103436SFelix Kuehling /* Approx. wait time before attempting to restore evicted BOs */ 53626103436SFelix Kuehling #define PROCESS_RESTORE_TIME_MS 100 53726103436SFelix Kuehling /* Approx. back off time if restore fails due to lack of memory */ 53826103436SFelix Kuehling #define PROCESS_BACK_OFF_TIME_MS 100 53926103436SFelix Kuehling /* Approx. time before evicting the process again */ 54026103436SFelix Kuehling #define PROCESS_ACTIVE_TIME_MS 10 54126103436SFelix Kuehling 5426b95e797SFelix Kuehling int kgd2kfd_quiesce_mm(struct mm_struct *mm); 5436b95e797SFelix Kuehling int kgd2kfd_resume_mm(struct mm_struct *mm); 54426103436SFelix Kuehling int kgd2kfd_schedule_evict_and_restore_process(struct mm_struct *mm, 54526103436SFelix Kuehling struct dma_fence *fence); 546733fa1f7SYong Zhao 5475ec7e028SFelix Kuehling /* 8 byte handle containing GPU ID in the most significant 4 bytes and 5485ec7e028SFelix Kuehling * idr_handle in the least significant 4 bytes 5495ec7e028SFelix Kuehling */ 5505ec7e028SFelix Kuehling #define MAKE_HANDLE(gpu_id, idr_handle) \ 5515ec7e028SFelix Kuehling (((uint64_t)(gpu_id) << 32) + idr_handle) 5525ec7e028SFelix Kuehling #define GET_GPU_ID(handle) (handle >> 32) 5535ec7e028SFelix Kuehling #define GET_IDR_HANDLE(handle) (handle & 0xFFFFFFFF) 5545ec7e028SFelix Kuehling 555733fa1f7SYong Zhao enum kfd_pdd_bound { 556733fa1f7SYong Zhao PDD_UNBOUND = 0, 557733fa1f7SYong Zhao PDD_BOUND, 558733fa1f7SYong Zhao PDD_BOUND_SUSPENDED, 559733fa1f7SYong Zhao }; 560733fa1f7SYong Zhao 56119f6d2a6SOded Gabbay /* Data that is per-process-per device. */ 56219f6d2a6SOded Gabbay struct kfd_process_device { 56319f6d2a6SOded Gabbay /* 56419f6d2a6SOded Gabbay * List of all per-device data for a process. 56519f6d2a6SOded Gabbay * Starts from kfd_process.per_device_data. 56619f6d2a6SOded Gabbay */ 56719f6d2a6SOded Gabbay struct list_head per_device_list; 56819f6d2a6SOded Gabbay 56919f6d2a6SOded Gabbay /* The device that owns this data. */ 57019f6d2a6SOded Gabbay struct kfd_dev *dev; 57119f6d2a6SOded Gabbay 5729fd3f1bfSFelix Kuehling /* The process that owns this kfd_process_device. */ 5739fd3f1bfSFelix Kuehling struct kfd_process *process; 57419f6d2a6SOded Gabbay 57545102048SBen Goz /* per-process-per device QCM data structure */ 57645102048SBen Goz struct qcm_process_device qpd; 57745102048SBen Goz 57819f6d2a6SOded Gabbay /*Apertures*/ 57919f6d2a6SOded Gabbay uint64_t lds_base; 58019f6d2a6SOded Gabbay uint64_t lds_limit; 58119f6d2a6SOded Gabbay uint64_t gpuvm_base; 58219f6d2a6SOded Gabbay uint64_t gpuvm_limit; 58319f6d2a6SOded Gabbay uint64_t scratch_base; 58419f6d2a6SOded Gabbay uint64_t scratch_limit; 58519f6d2a6SOded Gabbay 586403575c4SFelix Kuehling /* VM context for GPUVM allocations */ 587b84394e2SFelix Kuehling struct file *drm_file; 588403575c4SFelix Kuehling void *vm; 589403575c4SFelix Kuehling 59052b29d73SFelix Kuehling /* GPUVM allocations storage */ 59152b29d73SFelix Kuehling struct idr alloc_idr; 59252b29d73SFelix Kuehling 5939fd3f1bfSFelix Kuehling /* Flag used to tell the pdd has dequeued from the dqm. 5949fd3f1bfSFelix Kuehling * This is used to prevent dev->dqm->ops.process_termination() from 5959fd3f1bfSFelix Kuehling * being called twice when it is already called in IOMMU callback 5969fd3f1bfSFelix Kuehling * function. 597a82918f1SBen Goz */ 5989fd3f1bfSFelix Kuehling bool already_dequeued; 59964d1c3a4SFelix Kuehling 60064d1c3a4SFelix Kuehling /* Is this process/pasid bound to this device? (amd_iommu_bind_pasid) */ 60164d1c3a4SFelix Kuehling enum kfd_pdd_bound bound; 60219f6d2a6SOded Gabbay }; 60319f6d2a6SOded Gabbay 60452a5fdceSAlexey Skidanov #define qpd_to_pdd(x) container_of(x, struct kfd_process_device, qpd) 60552a5fdceSAlexey Skidanov 6064a488a7aSOded Gabbay /* Process data */ 6074a488a7aSOded Gabbay struct kfd_process { 60819f6d2a6SOded Gabbay /* 60919f6d2a6SOded Gabbay * kfd_process are stored in an mm_struct*->kfd_process* 61019f6d2a6SOded Gabbay * hash table (kfd_processes in kfd_process.c) 61119f6d2a6SOded Gabbay */ 61219f6d2a6SOded Gabbay struct hlist_node kfd_processes; 61319f6d2a6SOded Gabbay 6149b56bb11SFelix Kuehling /* 6159b56bb11SFelix Kuehling * Opaque pointer to mm_struct. We don't hold a reference to 6169b56bb11SFelix Kuehling * it so it should never be dereferenced from here. This is 6179b56bb11SFelix Kuehling * only used for looking up processes by their mm. 6189b56bb11SFelix Kuehling */ 6199b56bb11SFelix Kuehling void *mm; 62019f6d2a6SOded Gabbay 6215ce10687SFelix Kuehling struct kref ref; 6225ce10687SFelix Kuehling struct work_struct release_work; 6235ce10687SFelix Kuehling 62419f6d2a6SOded Gabbay struct mutex mutex; 62519f6d2a6SOded Gabbay 62619f6d2a6SOded Gabbay /* 62719f6d2a6SOded Gabbay * In any process, the thread that started main() is the lead 62819f6d2a6SOded Gabbay * thread and outlives the rest. 62919f6d2a6SOded Gabbay * It is here because amd_iommu_bind_pasid wants a task_struct. 630894a8293SFelix Kuehling * It can also be used for safely getting a reference to the 631894a8293SFelix Kuehling * mm_struct of the process. 63219f6d2a6SOded Gabbay */ 63319f6d2a6SOded Gabbay struct task_struct *lead_thread; 63419f6d2a6SOded Gabbay 63519f6d2a6SOded Gabbay /* We want to receive a notification when the mm_struct is destroyed */ 63619f6d2a6SOded Gabbay struct mmu_notifier mmu_notifier; 63719f6d2a6SOded Gabbay 63819f6d2a6SOded Gabbay /* Use for delayed freeing of kfd_process structure */ 63919f6d2a6SOded Gabbay struct rcu_head rcu; 64019f6d2a6SOded Gabbay 64119f6d2a6SOded Gabbay unsigned int pasid; 642a91e70e3SFelix Kuehling unsigned int doorbell_index; 64319f6d2a6SOded Gabbay 64419f6d2a6SOded Gabbay /* 64519f6d2a6SOded Gabbay * List of kfd_process_device structures, 64619f6d2a6SOded Gabbay * one for each device the process is using. 64719f6d2a6SOded Gabbay */ 64819f6d2a6SOded Gabbay struct list_head per_device_data; 64919f6d2a6SOded Gabbay 65045102048SBen Goz struct process_queue_manager pqm; 65145102048SBen Goz 65219f6d2a6SOded Gabbay /*Is the user space process 32 bit?*/ 65319f6d2a6SOded Gabbay bool is_32bit_user_mode; 654f3a39818SAndrew Lewycky 655f3a39818SAndrew Lewycky /* Event-related data */ 656f3a39818SAndrew Lewycky struct mutex event_mutex; 657482f0777SFelix Kuehling /* Event ID allocator and lookup */ 658482f0777SFelix Kuehling struct idr event_idr; 65950cb7dd9SFelix Kuehling /* Event page */ 66050cb7dd9SFelix Kuehling struct kfd_signal_page *signal_page; 661b9a5d0a5SFelix Kuehling size_t signal_mapped_size; 662f3a39818SAndrew Lewycky size_t signal_event_count; 663c986169fSFelix Kuehling bool signal_event_limit_reached; 664403575c4SFelix Kuehling 665403575c4SFelix Kuehling /* Information used for memory eviction */ 666403575c4SFelix Kuehling void *kgd_process_info; 667403575c4SFelix Kuehling /* Eviction fence that is attached to all the BOs of this process. The 668403575c4SFelix Kuehling * fence will be triggered during eviction and new one will be created 669403575c4SFelix Kuehling * during restore 670403575c4SFelix Kuehling */ 671403575c4SFelix Kuehling struct dma_fence *ef; 67226103436SFelix Kuehling 67326103436SFelix Kuehling /* Work items for evicting and restoring BOs */ 67426103436SFelix Kuehling struct delayed_work eviction_work; 67526103436SFelix Kuehling struct delayed_work restore_work; 67626103436SFelix Kuehling /* seqno of the last scheduled eviction */ 67726103436SFelix Kuehling unsigned int last_eviction_seqno; 67826103436SFelix Kuehling /* Approx. the last timestamp (in jiffies) when the process was 67926103436SFelix Kuehling * restored after an eviction 68026103436SFelix Kuehling */ 68126103436SFelix Kuehling unsigned long last_restore_timestamp; 6824a488a7aSOded Gabbay }; 6834a488a7aSOded Gabbay 68464d1c3a4SFelix Kuehling #define KFD_PROCESS_TABLE_SIZE 5 /* bits: 32 entries */ 68564d1c3a4SFelix Kuehling extern DECLARE_HASHTABLE(kfd_processes_table, KFD_PROCESS_TABLE_SIZE); 68664d1c3a4SFelix Kuehling extern struct srcu_struct kfd_processes_srcu; 68764d1c3a4SFelix Kuehling 68876baee6cSOded Gabbay /** 68976baee6cSOded Gabbay * Ioctl function type. 69076baee6cSOded Gabbay * 69176baee6cSOded Gabbay * \param filep pointer to file structure. 69276baee6cSOded Gabbay * \param p amdkfd process pointer. 69376baee6cSOded Gabbay * \param data pointer to arg that was copied from user. 69476baee6cSOded Gabbay */ 69576baee6cSOded Gabbay typedef int amdkfd_ioctl_t(struct file *filep, struct kfd_process *p, 69676baee6cSOded Gabbay void *data); 69776baee6cSOded Gabbay 69876baee6cSOded Gabbay struct amdkfd_ioctl_desc { 69976baee6cSOded Gabbay unsigned int cmd; 70076baee6cSOded Gabbay int flags; 70176baee6cSOded Gabbay amdkfd_ioctl_t *func; 70276baee6cSOded Gabbay unsigned int cmd_drv; 70376baee6cSOded Gabbay const char *name; 70476baee6cSOded Gabbay }; 70567f7cf9fSshaoyunl bool kfd_dev_is_large_bar(struct kfd_dev *dev); 70676baee6cSOded Gabbay 7071679ae8fSFelix Kuehling int kfd_process_create_wq(void); 70819f6d2a6SOded Gabbay void kfd_process_destroy_wq(void); 709373d7080SFelix Kuehling struct kfd_process *kfd_create_process(struct file *filep); 71019f6d2a6SOded Gabbay struct kfd_process *kfd_get_process(const struct task_struct *); 711f3a39818SAndrew Lewycky struct kfd_process *kfd_lookup_process_by_pasid(unsigned int pasid); 71226103436SFelix Kuehling struct kfd_process *kfd_lookup_process_by_mm(const struct mm_struct *mm); 713abb208a8SFelix Kuehling void kfd_unref_process(struct kfd_process *p); 7146b95e797SFelix Kuehling int kfd_process_evict_queues(struct kfd_process *p); 7156b95e797SFelix Kuehling int kfd_process_restore_queues(struct kfd_process *p); 71626103436SFelix Kuehling void kfd_suspend_all_processes(void); 71726103436SFelix Kuehling int kfd_resume_all_processes(void); 71819f6d2a6SOded Gabbay 719b84394e2SFelix Kuehling int kfd_process_device_init_vm(struct kfd_process_device *pdd, 720b84394e2SFelix Kuehling struct file *drm_file); 72164c7f8cfSBen Goz struct kfd_process_device *kfd_bind_process_to_device(struct kfd_dev *dev, 72264c7f8cfSBen Goz struct kfd_process *p); 72319f6d2a6SOded Gabbay struct kfd_process_device *kfd_get_process_device_data(struct kfd_dev *dev, 724093c7d8cSAlexey Skidanov struct kfd_process *p); 725093c7d8cSAlexey Skidanov struct kfd_process_device *kfd_create_process_device_data(struct kfd_dev *dev, 726093c7d8cSAlexey Skidanov struct kfd_process *p); 72719f6d2a6SOded Gabbay 728df03ef93SHarish Kasiviswanathan int kfd_reserved_mem_mmap(struct kfd_dev *dev, struct kfd_process *process, 729373d7080SFelix Kuehling struct vm_area_struct *vma); 730373d7080SFelix Kuehling 73152b29d73SFelix Kuehling /* KFD process API for creating and translating handles */ 73252b29d73SFelix Kuehling int kfd_process_device_create_obj_handle(struct kfd_process_device *pdd, 73352b29d73SFelix Kuehling void *mem); 73452b29d73SFelix Kuehling void *kfd_process_device_translate_handle(struct kfd_process_device *p, 73552b29d73SFelix Kuehling int handle); 73652b29d73SFelix Kuehling void kfd_process_device_remove_obj_handle(struct kfd_process_device *pdd, 73752b29d73SFelix Kuehling int handle); 73852b29d73SFelix Kuehling 739775921edSAlexey Skidanov /* Process device data iterator */ 7408eabaf54SKent Russell struct kfd_process_device *kfd_get_first_process_device_data( 7418eabaf54SKent Russell struct kfd_process *p); 7428eabaf54SKent Russell struct kfd_process_device *kfd_get_next_process_device_data( 7438eabaf54SKent Russell struct kfd_process *p, 744775921edSAlexey Skidanov struct kfd_process_device *pdd); 745775921edSAlexey Skidanov bool kfd_has_process_device_data(struct kfd_process *p); 746775921edSAlexey Skidanov 74719f6d2a6SOded Gabbay /* PASIDs */ 74819f6d2a6SOded Gabbay int kfd_pasid_init(void); 74919f6d2a6SOded Gabbay void kfd_pasid_exit(void); 75019f6d2a6SOded Gabbay bool kfd_set_pasid_limit(unsigned int new_limit); 75119f6d2a6SOded Gabbay unsigned int kfd_get_pasid_limit(void); 75219f6d2a6SOded Gabbay unsigned int kfd_pasid_alloc(void); 75319f6d2a6SOded Gabbay void kfd_pasid_free(unsigned int pasid); 75419f6d2a6SOded Gabbay 75519f6d2a6SOded Gabbay /* Doorbells */ 756ef568db7SFelix Kuehling size_t kfd_doorbell_process_slice(struct kfd_dev *kfd); 757735df2baSFelix Kuehling int kfd_doorbell_init(struct kfd_dev *kfd); 758735df2baSFelix Kuehling void kfd_doorbell_fini(struct kfd_dev *kfd); 759df03ef93SHarish Kasiviswanathan int kfd_doorbell_mmap(struct kfd_dev *dev, struct kfd_process *process, 760df03ef93SHarish Kasiviswanathan struct vm_area_struct *vma); 761ada2b29cSFelix Kuehling void __iomem *kfd_get_kernel_doorbell(struct kfd_dev *kfd, 76219f6d2a6SOded Gabbay unsigned int *doorbell_off); 76319f6d2a6SOded Gabbay void kfd_release_kernel_doorbell(struct kfd_dev *kfd, u32 __iomem *db_addr); 76419f6d2a6SOded Gabbay u32 read_kernel_doorbell(u32 __iomem *db); 765ada2b29cSFelix Kuehling void write_kernel_doorbell(void __iomem *db, u32 value); 7669d7d0248SFelix Kuehling void write_kernel_doorbell64(void __iomem *db, u64 value); 767ef568db7SFelix Kuehling unsigned int kfd_doorbell_id_to_offset(struct kfd_dev *kfd, 76819f6d2a6SOded Gabbay struct kfd_process *process, 769ef568db7SFelix Kuehling unsigned int doorbell_id); 770a91e70e3SFelix Kuehling phys_addr_t kfd_get_process_doorbells(struct kfd_dev *dev, 771a91e70e3SFelix Kuehling struct kfd_process *process); 772a91e70e3SFelix Kuehling int kfd_alloc_process_doorbells(struct kfd_process *process); 773a91e70e3SFelix Kuehling void kfd_free_process_doorbells(struct kfd_process *process); 77419f6d2a6SOded Gabbay 7756e81090bSOded Gabbay /* GTT Sub-Allocator */ 7766e81090bSOded Gabbay 7776e81090bSOded Gabbay int kfd_gtt_sa_allocate(struct kfd_dev *kfd, unsigned int size, 7786e81090bSOded Gabbay struct kfd_mem_obj **mem_obj); 7796e81090bSOded Gabbay 7806e81090bSOded Gabbay int kfd_gtt_sa_free(struct kfd_dev *kfd, struct kfd_mem_obj *mem_obj); 7816e81090bSOded Gabbay 7824a488a7aSOded Gabbay extern struct device *kfd_device; 7834a488a7aSOded Gabbay 7845b5c4e40SEvgeny Pinchuk /* Topology */ 7855b5c4e40SEvgeny Pinchuk int kfd_topology_init(void); 7865b5c4e40SEvgeny Pinchuk void kfd_topology_shutdown(void); 7875b5c4e40SEvgeny Pinchuk int kfd_topology_add_device(struct kfd_dev *gpu); 7885b5c4e40SEvgeny Pinchuk int kfd_topology_remove_device(struct kfd_dev *gpu); 7893a87177eSHarish Kasiviswanathan struct kfd_topology_device *kfd_topology_device_by_proximity_domain( 7903a87177eSHarish Kasiviswanathan uint32_t proximity_domain); 79144d8cc6fSYong Zhao struct kfd_topology_device *kfd_topology_device_by_id(uint32_t gpu_id); 7925b5c4e40SEvgeny Pinchuk struct kfd_dev *kfd_device_by_id(uint32_t gpu_id); 7935b5c4e40SEvgeny Pinchuk struct kfd_dev *kfd_device_by_pci_dev(const struct pci_dev *pdev); 7946d82eb0eSHarish Kasiviswanathan int kfd_topology_enum_kfd_devices(uint8_t idx, struct kfd_dev **kdev); 795520b8fb7SFelix Kuehling int kfd_numa_node_to_apic_id(int numa_node_id); 7965b5c4e40SEvgeny Pinchuk 7974a488a7aSOded Gabbay /* Interrupts */ 7982249d558SAndrew Lewycky int kfd_interrupt_init(struct kfd_dev *dev); 7992249d558SAndrew Lewycky void kfd_interrupt_exit(struct kfd_dev *dev); 800b3f5e6b4SAndrew Lewycky void kgd2kfd_interrupt(struct kfd_dev *kfd, const void *ih_ring_entry); 8012249d558SAndrew Lewycky bool enqueue_ih_ring_entry(struct kfd_dev *kfd, const void *ih_ring_entry); 80258e69886SLan Xiao bool interrupt_is_wanted(struct kfd_dev *dev, 80358e69886SLan Xiao const uint32_t *ih_ring_entry, 80458e69886SLan Xiao uint32_t *patched_ihre, bool *flag); 8054a488a7aSOded Gabbay 8064a488a7aSOded Gabbay /* Power Management */ 807b3f5e6b4SAndrew Lewycky void kgd2kfd_suspend(struct kfd_dev *kfd); 808b3f5e6b4SAndrew Lewycky int kgd2kfd_resume(struct kfd_dev *kfd); 8094a488a7aSOded Gabbay 810e3b7a967SShaoyun Liu /* GPU reset */ 811e3b7a967SShaoyun Liu int kgd2kfd_pre_reset(struct kfd_dev *kfd); 812e3b7a967SShaoyun Liu int kgd2kfd_post_reset(struct kfd_dev *kfd); 813e3b7a967SShaoyun Liu 81419f6d2a6SOded Gabbay /* amdkfd Apertures */ 81519f6d2a6SOded Gabbay int kfd_init_apertures(struct kfd_process *process); 81619f6d2a6SOded Gabbay 817ed6e6a34SBen Goz /* Queue Context Management */ 818e88a614cSEdward O'Callaghan int init_queue(struct queue **q, const struct queue_properties *properties); 819ed6e6a34SBen Goz void uninit_queue(struct queue *q); 82045102048SBen Goz void print_queue_properties(struct queue_properties *q); 821ed6e6a34SBen Goz void print_queue(struct queue *q); 822ed6e6a34SBen Goz 82364c7f8cfSBen Goz struct mqd_manager *mqd_manager_init(enum KFD_MQD_TYPE type, 82464c7f8cfSBen Goz struct kfd_dev *dev); 8254b8f589bSBen Goz struct mqd_manager *mqd_manager_init_cik(enum KFD_MQD_TYPE type, 8264b8f589bSBen Goz struct kfd_dev *dev); 827ee04955aSFelix Kuehling struct mqd_manager *mqd_manager_init_cik_hawaii(enum KFD_MQD_TYPE type, 828ee04955aSFelix Kuehling struct kfd_dev *dev); 8294b8f589bSBen Goz struct mqd_manager *mqd_manager_init_vi(enum KFD_MQD_TYPE type, 8304b8f589bSBen Goz struct kfd_dev *dev); 831ee04955aSFelix Kuehling struct mqd_manager *mqd_manager_init_vi_tonga(enum KFD_MQD_TYPE type, 832ee04955aSFelix Kuehling struct kfd_dev *dev); 833b91d43ddSFelix Kuehling struct mqd_manager *mqd_manager_init_v9(enum KFD_MQD_TYPE type, 834b91d43ddSFelix Kuehling struct kfd_dev *dev); 83564c7f8cfSBen Goz struct device_queue_manager *device_queue_manager_init(struct kfd_dev *dev); 83664c7f8cfSBen Goz void device_queue_manager_uninit(struct device_queue_manager *dqm); 837241f24f8SBen Goz struct kernel_queue *kernel_queue_init(struct kfd_dev *dev, 838241f24f8SBen Goz enum kfd_queue_type type); 839241f24f8SBen Goz void kernel_queue_uninit(struct kernel_queue *kq); 8402640c3faSshaoyunl int kfd_process_vm_fault(struct device_queue_manager *dqm, unsigned int pasid); 841241f24f8SBen Goz 84245102048SBen Goz /* Process Queue Manager */ 84345102048SBen Goz struct process_queue_node { 84445102048SBen Goz struct queue *q; 84545102048SBen Goz struct kernel_queue *kq; 84645102048SBen Goz struct list_head process_queue_list; 84745102048SBen Goz }; 84845102048SBen Goz 8499fd3f1bfSFelix Kuehling void kfd_process_dequeue_from_device(struct kfd_process_device *pdd); 8509fd3f1bfSFelix Kuehling void kfd_process_dequeue_from_all_devices(struct kfd_process *p); 85145102048SBen Goz int pqm_init(struct process_queue_manager *pqm, struct kfd_process *p); 85245102048SBen Goz void pqm_uninit(struct process_queue_manager *pqm); 85345102048SBen Goz int pqm_create_queue(struct process_queue_manager *pqm, 85445102048SBen Goz struct kfd_dev *dev, 85545102048SBen Goz struct file *f, 85645102048SBen Goz struct queue_properties *properties, 85745102048SBen Goz unsigned int *qid); 85845102048SBen Goz int pqm_destroy_queue(struct process_queue_manager *pqm, unsigned int qid); 85945102048SBen Goz int pqm_update_queue(struct process_queue_manager *pqm, unsigned int qid, 86045102048SBen Goz struct queue_properties *p); 86139e7f331SFelix Kuehling int pqm_set_cu_mask(struct process_queue_manager *pqm, unsigned int qid, 86239e7f331SFelix Kuehling struct queue_properties *p); 863fbeb661bSYair Shachar struct kernel_queue *pqm_get_kernel_queue(struct process_queue_manager *pqm, 864fbeb661bSYair Shachar unsigned int qid); 8655df099e8SJay Cornwall int pqm_get_wave_state(struct process_queue_manager *pqm, 8665df099e8SJay Cornwall unsigned int qid, 8675df099e8SJay Cornwall void __user *ctl_stack, 8685df099e8SJay Cornwall u32 *ctl_stack_used_size, 8695df099e8SJay Cornwall u32 *save_area_used_size); 87045102048SBen Goz 871788bf83dSYair Shachar int amdkfd_fence_wait_timeout(unsigned int *fence_addr, 872788bf83dSYair Shachar unsigned int fence_value, 8738c72c3d7SYong Zhao unsigned int timeout_ms); 874788bf83dSYair Shachar 875ed6e6a34SBen Goz /* Packet Manager */ 876ed6e6a34SBen Goz 87764c7f8cfSBen Goz #define KFD_FENCE_COMPLETED (100) 87864c7f8cfSBen Goz #define KFD_FENCE_INIT (10) 879241f24f8SBen Goz 880ed6e6a34SBen Goz struct packet_manager { 881ed6e6a34SBen Goz struct device_queue_manager *dqm; 882ed6e6a34SBen Goz struct kernel_queue *priv_queue; 883ed6e6a34SBen Goz struct mutex lock; 884ed6e6a34SBen Goz bool allocated; 885ed6e6a34SBen Goz struct kfd_mem_obj *ib_buffer_obj; 886851a645eSFelix Kuehling unsigned int ib_size_bytes; 887f6e27ff1SFelix Kuehling 888f6e27ff1SFelix Kuehling const struct packet_manager_funcs *pmf; 889ed6e6a34SBen Goz }; 890ed6e6a34SBen Goz 891f6e27ff1SFelix Kuehling struct packet_manager_funcs { 892f6e27ff1SFelix Kuehling /* Support ASIC-specific packet formats for PM4 packets */ 893f6e27ff1SFelix Kuehling int (*map_process)(struct packet_manager *pm, uint32_t *buffer, 894f6e27ff1SFelix Kuehling struct qcm_process_device *qpd); 895f6e27ff1SFelix Kuehling int (*runlist)(struct packet_manager *pm, uint32_t *buffer, 896f6e27ff1SFelix Kuehling uint64_t ib, size_t ib_size_in_dwords, bool chain); 897f6e27ff1SFelix Kuehling int (*set_resources)(struct packet_manager *pm, uint32_t *buffer, 898f6e27ff1SFelix Kuehling struct scheduling_resources *res); 899f6e27ff1SFelix Kuehling int (*map_queues)(struct packet_manager *pm, uint32_t *buffer, 900f6e27ff1SFelix Kuehling struct queue *q, bool is_static); 901f6e27ff1SFelix Kuehling int (*unmap_queues)(struct packet_manager *pm, uint32_t *buffer, 902f6e27ff1SFelix Kuehling enum kfd_queue_type type, 903f6e27ff1SFelix Kuehling enum kfd_unmap_queues_filter mode, 904f6e27ff1SFelix Kuehling uint32_t filter_param, bool reset, 905f6e27ff1SFelix Kuehling unsigned int sdma_engine); 906f6e27ff1SFelix Kuehling int (*query_status)(struct packet_manager *pm, uint32_t *buffer, 907f6e27ff1SFelix Kuehling uint64_t fence_address, uint32_t fence_value); 908f6e27ff1SFelix Kuehling int (*release_mem)(uint64_t gpu_addr, uint32_t *buffer); 909f6e27ff1SFelix Kuehling 910f6e27ff1SFelix Kuehling /* Packet sizes */ 911f6e27ff1SFelix Kuehling int map_process_size; 912f6e27ff1SFelix Kuehling int runlist_size; 913f6e27ff1SFelix Kuehling int set_resources_size; 914f6e27ff1SFelix Kuehling int map_queues_size; 915f6e27ff1SFelix Kuehling int unmap_queues_size; 916f6e27ff1SFelix Kuehling int query_status_size; 917f6e27ff1SFelix Kuehling int release_mem_size; 918f6e27ff1SFelix Kuehling }; 919f6e27ff1SFelix Kuehling 920f6e27ff1SFelix Kuehling extern const struct packet_manager_funcs kfd_vi_pm_funcs; 921454150b1SFelix Kuehling extern const struct packet_manager_funcs kfd_v9_pm_funcs; 922f6e27ff1SFelix Kuehling 92364c7f8cfSBen Goz int pm_init(struct packet_manager *pm, struct device_queue_manager *dqm); 92464c7f8cfSBen Goz void pm_uninit(struct packet_manager *pm); 92564c7f8cfSBen Goz int pm_send_set_resources(struct packet_manager *pm, 92664c7f8cfSBen Goz struct scheduling_resources *res); 92764c7f8cfSBen Goz int pm_send_runlist(struct packet_manager *pm, struct list_head *dqm_queues); 92864c7f8cfSBen Goz int pm_send_query_status(struct packet_manager *pm, uint64_t fence_address, 92964c7f8cfSBen Goz uint32_t fence_value); 93064c7f8cfSBen Goz 93164c7f8cfSBen Goz int pm_send_unmap_queue(struct packet_manager *pm, enum kfd_queue_type type, 9327da2bcf8SYong Zhao enum kfd_unmap_queues_filter mode, 93364c7f8cfSBen Goz uint32_t filter_param, bool reset, 93464c7f8cfSBen Goz unsigned int sdma_engine); 93564c7f8cfSBen Goz 936241f24f8SBen Goz void pm_release_ib(struct packet_manager *pm); 937241f24f8SBen Goz 938454150b1SFelix Kuehling /* Following PM funcs can be shared among VI and AI */ 939454150b1SFelix Kuehling unsigned int pm_build_pm4_header(unsigned int opcode, size_t packet_size); 940454150b1SFelix Kuehling int pm_set_resources_vi(struct packet_manager *pm, uint32_t *buffer, 941454150b1SFelix Kuehling struct scheduling_resources *res); 942454150b1SFelix Kuehling 94319f6d2a6SOded Gabbay uint64_t kfd_get_number_elems(struct kfd_dev *kfd); 94419f6d2a6SOded Gabbay 945f3a39818SAndrew Lewycky /* Events */ 946f3a39818SAndrew Lewycky extern const struct kfd_event_interrupt_class event_interrupt_class_cik; 947ca750681SFelix Kuehling extern const struct kfd_event_interrupt_class event_interrupt_class_v9; 948ca750681SFelix Kuehling 949930c5ff4SAlexey Skidanov extern const struct kfd_device_global_init_class device_global_init_class_cik; 950f3a39818SAndrew Lewycky 951f3a39818SAndrew Lewycky void kfd_event_init_process(struct kfd_process *p); 952f3a39818SAndrew Lewycky void kfd_event_free_process(struct kfd_process *p); 953f3a39818SAndrew Lewycky int kfd_event_mmap(struct kfd_process *process, struct vm_area_struct *vma); 954f3a39818SAndrew Lewycky int kfd_wait_on_events(struct kfd_process *p, 95559d3e8beSAlexey Skidanov uint32_t num_events, void __user *data, 956f3a39818SAndrew Lewycky bool all, uint32_t user_timeout_ms, 957fdf0c833SFelix Kuehling uint32_t *wait_result); 958f3a39818SAndrew Lewycky void kfd_signal_event_interrupt(unsigned int pasid, uint32_t partial_id, 959f3a39818SAndrew Lewycky uint32_t valid_id_bits); 96059d3e8beSAlexey Skidanov void kfd_signal_iommu_event(struct kfd_dev *dev, 96159d3e8beSAlexey Skidanov unsigned int pasid, unsigned long address, 96259d3e8beSAlexey Skidanov bool is_write_requested, bool is_execute_requested); 963930c5ff4SAlexey Skidanov void kfd_signal_hw_exception_event(unsigned int pasid); 964f3a39818SAndrew Lewycky int kfd_set_event(struct kfd_process *p, uint32_t event_id); 965f3a39818SAndrew Lewycky int kfd_reset_event(struct kfd_process *p, uint32_t event_id); 9660fc8011fSFelix Kuehling int kfd_event_page_set(struct kfd_process *p, void *kernel_address, 9670fc8011fSFelix Kuehling uint64_t size); 968f3a39818SAndrew Lewycky int kfd_event_create(struct file *devkfd, struct kfd_process *p, 969f3a39818SAndrew Lewycky uint32_t event_type, bool auto_reset, uint32_t node_id, 970f3a39818SAndrew Lewycky uint32_t *event_id, uint32_t *event_trigger_data, 971f3a39818SAndrew Lewycky uint64_t *event_page_offset, uint32_t *event_slot_index); 972f3a39818SAndrew Lewycky int kfd_event_destroy(struct kfd_process *p, uint32_t event_id); 973f3a39818SAndrew Lewycky 9742640c3faSshaoyunl void kfd_signal_vm_fault_event(struct kfd_dev *dev, unsigned int pasid, 9752640c3faSshaoyunl struct kfd_vm_fault_info *info); 9762640c3faSshaoyunl 977e42051d2SShaoyun Liu void kfd_signal_reset_event(struct kfd_dev *dev); 978e42051d2SShaoyun Liu 979403575c4SFelix Kuehling void kfd_flush_tlb(struct kfd_process_device *pdd); 980403575c4SFelix Kuehling 981c3447e81SBen Goz int dbgdev_wave_reset_wavefronts(struct kfd_dev *dev, struct kfd_process *p); 982c3447e81SBen Goz 983e42051d2SShaoyun Liu bool kfd_is_locked(void); 984e42051d2SShaoyun Liu 985851a645eSFelix Kuehling /* Debugfs */ 986851a645eSFelix Kuehling #if defined(CONFIG_DEBUG_FS) 987851a645eSFelix Kuehling 988851a645eSFelix Kuehling void kfd_debugfs_init(void); 989851a645eSFelix Kuehling void kfd_debugfs_fini(void); 990851a645eSFelix Kuehling int kfd_debugfs_mqds_by_process(struct seq_file *m, void *data); 991851a645eSFelix Kuehling int pqm_debugfs_mqds(struct seq_file *m, void *data); 992851a645eSFelix Kuehling int kfd_debugfs_hqds_by_device(struct seq_file *m, void *data); 993851a645eSFelix Kuehling int dqm_debugfs_hqds(struct seq_file *m, void *data); 994851a645eSFelix Kuehling int kfd_debugfs_rls_by_device(struct seq_file *m, void *data); 995851a645eSFelix Kuehling int pm_debugfs_runlist(struct seq_file *m, void *data); 996851a645eSFelix Kuehling 997a29ec470SShaoyun Liu int kfd_debugfs_hang_hws(struct kfd_dev *dev); 998a29ec470SShaoyun Liu int pm_debugfs_hang_hws(struct packet_manager *pm); 999a29ec470SShaoyun Liu int dqm_debugfs_execute_queues(struct device_queue_manager *dqm); 1000a29ec470SShaoyun Liu 1001851a645eSFelix Kuehling #else 1002851a645eSFelix Kuehling 1003851a645eSFelix Kuehling static inline void kfd_debugfs_init(void) {} 1004851a645eSFelix Kuehling static inline void kfd_debugfs_fini(void) {} 1005851a645eSFelix Kuehling 1006851a645eSFelix Kuehling #endif 1007851a645eSFelix Kuehling 10084a488a7aSOded Gabbay #endif 1009