14a488a7aSOded Gabbay /* 24a488a7aSOded Gabbay * Copyright 2014 Advanced Micro Devices, Inc. 34a488a7aSOded Gabbay * 44a488a7aSOded Gabbay * Permission is hereby granted, free of charge, to any person obtaining a 54a488a7aSOded Gabbay * copy of this software and associated documentation files (the "Software"), 64a488a7aSOded Gabbay * to deal in the Software without restriction, including without limitation 74a488a7aSOded Gabbay * the rights to use, copy, modify, merge, publish, distribute, sublicense, 84a488a7aSOded Gabbay * and/or sell copies of the Software, and to permit persons to whom the 94a488a7aSOded Gabbay * Software is furnished to do so, subject to the following conditions: 104a488a7aSOded Gabbay * 114a488a7aSOded Gabbay * The above copyright notice and this permission notice shall be included in 124a488a7aSOded Gabbay * all copies or substantial portions of the Software. 134a488a7aSOded Gabbay * 144a488a7aSOded Gabbay * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 154a488a7aSOded Gabbay * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 164a488a7aSOded Gabbay * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 174a488a7aSOded Gabbay * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 184a488a7aSOded Gabbay * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 194a488a7aSOded Gabbay * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 204a488a7aSOded Gabbay * OTHER DEALINGS IN THE SOFTWARE. 214a488a7aSOded Gabbay */ 224a488a7aSOded Gabbay 234a488a7aSOded Gabbay #ifndef KFD_PRIV_H_INCLUDED 244a488a7aSOded Gabbay #define KFD_PRIV_H_INCLUDED 254a488a7aSOded Gabbay 264a488a7aSOded Gabbay #include <linux/hashtable.h> 274a488a7aSOded Gabbay #include <linux/mmu_notifier.h> 284a488a7aSOded Gabbay #include <linux/mutex.h> 294a488a7aSOded Gabbay #include <linux/types.h> 304a488a7aSOded Gabbay #include <linux/atomic.h> 314a488a7aSOded Gabbay #include <linux/workqueue.h> 324a488a7aSOded Gabbay #include <linux/spinlock.h> 3319f6d2a6SOded Gabbay #include <linux/kfd_ioctl.h> 34482f0777SFelix Kuehling #include <linux/idr.h> 3504ad47bdSAndres Rodriguez #include <linux/kfifo.h> 36851a645eSFelix Kuehling #include <linux/seq_file.h> 375ce10687SFelix Kuehling #include <linux/kref.h> 38de9f26bbSKent Russell #include <linux/sysfs.h> 396b855f7bSHarish Kasiviswanathan #include <linux/device_cgroup.h> 406b855f7bSHarish Kasiviswanathan #include <drm/drmP.h> 414a488a7aSOded Gabbay #include <kgd_kfd_interface.h> 424a488a7aSOded Gabbay 43e596b903SYong Zhao #include "amd_shared.h" 44e596b903SYong Zhao 45af47b390SLaura Abbott #define KFD_MAX_RING_ENTRY_SIZE 8 46af47b390SLaura Abbott 475b5c4e40SEvgeny Pinchuk #define KFD_SYSFS_FILE_MODE 0444 485b5c4e40SEvgeny Pinchuk 49df03ef93SHarish Kasiviswanathan /* GPU ID hash width in bits */ 50df03ef93SHarish Kasiviswanathan #define KFD_GPU_ID_HASH_WIDTH 16 51df03ef93SHarish Kasiviswanathan 523a0c3423SHarish Kasiviswanathan struct drm_device; 533a0c3423SHarish Kasiviswanathan 54df03ef93SHarish Kasiviswanathan /* Use upper bits of mmap offset to store KFD driver specific information. 55df03ef93SHarish Kasiviswanathan * BITS[63:62] - Encode MMAP type 56df03ef93SHarish Kasiviswanathan * BITS[61:46] - Encode gpu_id. To identify to which GPU the offset belongs to 57df03ef93SHarish Kasiviswanathan * BITS[45:0] - MMAP offset value 58df03ef93SHarish Kasiviswanathan * 59df03ef93SHarish Kasiviswanathan * NOTE: struct vm_area_struct.vm_pgoff uses offset in pages. Hence, these 60df03ef93SHarish Kasiviswanathan * defines are w.r.t to PAGE_SIZE 61df03ef93SHarish Kasiviswanathan */ 62df03ef93SHarish Kasiviswanathan #define KFD_MMAP_TYPE_SHIFT (62 - PAGE_SHIFT) 63df03ef93SHarish Kasiviswanathan #define KFD_MMAP_TYPE_MASK (0x3ULL << KFD_MMAP_TYPE_SHIFT) 64df03ef93SHarish Kasiviswanathan #define KFD_MMAP_TYPE_DOORBELL (0x3ULL << KFD_MMAP_TYPE_SHIFT) 65df03ef93SHarish Kasiviswanathan #define KFD_MMAP_TYPE_EVENTS (0x2ULL << KFD_MMAP_TYPE_SHIFT) 66df03ef93SHarish Kasiviswanathan #define KFD_MMAP_TYPE_RESERVED_MEM (0x1ULL << KFD_MMAP_TYPE_SHIFT) 67d33ea570SOak Zeng #define KFD_MMAP_TYPE_MMIO (0x0ULL << KFD_MMAP_TYPE_SHIFT) 68df03ef93SHarish Kasiviswanathan 69df03ef93SHarish Kasiviswanathan #define KFD_MMAP_GPU_ID_SHIFT (46 - PAGE_SHIFT) 70df03ef93SHarish Kasiviswanathan #define KFD_MMAP_GPU_ID_MASK (((1ULL << KFD_GPU_ID_HASH_WIDTH) - 1) \ 71df03ef93SHarish Kasiviswanathan << KFD_MMAP_GPU_ID_SHIFT) 72df03ef93SHarish Kasiviswanathan #define KFD_MMAP_GPU_ID(gpu_id) ((((uint64_t)gpu_id) << KFD_MMAP_GPU_ID_SHIFT)\ 73df03ef93SHarish Kasiviswanathan & KFD_MMAP_GPU_ID_MASK) 74df03ef93SHarish Kasiviswanathan #define KFD_MMAP_GPU_ID_GET(offset) ((offset & KFD_MMAP_GPU_ID_MASK) \ 75df03ef93SHarish Kasiviswanathan >> KFD_MMAP_GPU_ID_SHIFT) 76df03ef93SHarish Kasiviswanathan 77df03ef93SHarish Kasiviswanathan #define KFD_MMAP_OFFSET_VALUE_MASK (0x3FFFFFFFFFFFULL >> PAGE_SHIFT) 78df03ef93SHarish Kasiviswanathan #define KFD_MMAP_OFFSET_VALUE_GET(offset) (offset & KFD_MMAP_OFFSET_VALUE_MASK) 79f3a39818SAndrew Lewycky 80ed6e6a34SBen Goz /* 81ed6e6a34SBen Goz * When working with cp scheduler we should assign the HIQ manually or via 82e7016d8eSYong Zhao * the amdgpu driver to a fixed hqd slot, here are the fixed HIQ hqd slot 83ed6e6a34SBen Goz * definitions for Kaveri. In Kaveri only the first ME queues participates 84ed6e6a34SBen Goz * in the cp scheduling taking that in mind we set the HIQ slot in the 85ed6e6a34SBen Goz * second ME. 86ed6e6a34SBen Goz */ 87ed6e6a34SBen Goz #define KFD_CIK_HIQ_PIPE 4 88ed6e6a34SBen Goz #define KFD_CIK_HIQ_QUEUE 0 89ed6e6a34SBen Goz 905b5c4e40SEvgeny Pinchuk /* Macro for allocating structures */ 915b5c4e40SEvgeny Pinchuk #define kfd_alloc_struct(ptr_to_struct) \ 925b5c4e40SEvgeny Pinchuk ((typeof(ptr_to_struct)) kzalloc(sizeof(*ptr_to_struct), GFP_KERNEL)) 935b5c4e40SEvgeny Pinchuk 9419f6d2a6SOded Gabbay #define KFD_MAX_NUM_OF_PROCESSES 512 95b8cbab04SOded Gabbay #define KFD_MAX_NUM_OF_QUEUES_PER_PROCESS 1024 9619f6d2a6SOded Gabbay 9719f6d2a6SOded Gabbay /* 98373d7080SFelix Kuehling * Size of the per-process TBA+TMA buffer: 2 pages 99373d7080SFelix Kuehling * 100373d7080SFelix Kuehling * The first page is the TBA used for the CWSR ISA code. The second 101373d7080SFelix Kuehling * page is used as TMA for daisy changing a user-mode trap handler. 102373d7080SFelix Kuehling */ 103373d7080SFelix Kuehling #define KFD_CWSR_TBA_TMA_SIZE (PAGE_SIZE * 2) 104373d7080SFelix Kuehling #define KFD_CWSR_TMA_OFFSET PAGE_SIZE 105373d7080SFelix Kuehling 10674523943SYong Zhao #define KFD_MAX_NUM_OF_QUEUES_PER_DEVICE \ 10774523943SYong Zhao (KFD_MAX_NUM_OF_PROCESSES * \ 10874523943SYong Zhao KFD_MAX_NUM_OF_QUEUES_PER_PROCESS) 10974523943SYong Zhao 11074523943SYong Zhao #define KFD_KERNEL_QUEUE_SIZE 2048 11174523943SYong Zhao 11214328aa5SPhilip Cox #define KFD_UNMAP_LATENCY_MS (4000) 11314328aa5SPhilip Cox 114373d7080SFelix Kuehling /* 1151f86805aSYong Zhao * 512 = 0x200 1161f86805aSYong Zhao * The doorbell index distance between SDMA RLC (2*i) and (2*i+1) in the 1171f86805aSYong Zhao * same SDMA engine on SOC15, which has 8-byte doorbells for SDMA. 1181f86805aSYong Zhao * 512 8-byte doorbell distance (i.e. one page away) ensures that SDMA RLC 1191f86805aSYong Zhao * (2*i+1) doorbells (in terms of the lower 12 bit address) lie exactly in 1201f86805aSYong Zhao * the OFFSET and SIZE set in registers like BIF_SDMA0_DOORBELL_RANGE. 1211f86805aSYong Zhao */ 1221f86805aSYong Zhao #define KFD_QUEUE_DOORBELL_MIRROR_OFFSET 512 1231f86805aSYong Zhao 1241f86805aSYong Zhao 1251f86805aSYong Zhao /* 126b8cbab04SOded Gabbay * Kernel module parameter to specify maximum number of supported queues per 127b8cbab04SOded Gabbay * device 12819f6d2a6SOded Gabbay */ 129b8cbab04SOded Gabbay extern int max_num_of_queues_per_device; 13019f6d2a6SOded Gabbay 131ed6e6a34SBen Goz 13231c21fecSBen Goz /* Kernel module parameter to specify the scheduling policy */ 13331c21fecSBen Goz extern int sched_policy; 13431c21fecSBen Goz 135a99c6d4fSFelix Kuehling /* 136a99c6d4fSFelix Kuehling * Kernel module parameter to specify the maximum process 137a99c6d4fSFelix Kuehling * number per HW scheduler 138a99c6d4fSFelix Kuehling */ 139a99c6d4fSFelix Kuehling extern int hws_max_conc_proc; 140a99c6d4fSFelix Kuehling 141373d7080SFelix Kuehling extern int cwsr_enable; 142373d7080SFelix Kuehling 14381663016SOded Gabbay /* 14481663016SOded Gabbay * Kernel module parameter to specify whether to send sigterm to HSA process on 14581663016SOded Gabbay * unhandled exception 14681663016SOded Gabbay */ 14781663016SOded Gabbay extern int send_sigterm; 14881663016SOded Gabbay 149ebcfd1e2SFelix Kuehling /* 150374200b1SFelix Kuehling * This kernel module is used to simulate large bar machine on non-large bar 151374200b1SFelix Kuehling * enabled machines. 152374200b1SFelix Kuehling */ 153374200b1SFelix Kuehling extern int debug_largebar; 154374200b1SFelix Kuehling 155374200b1SFelix Kuehling /* 156ebcfd1e2SFelix Kuehling * Ignore CRAT table during KFD initialization, can be used to work around 157ebcfd1e2SFelix Kuehling * broken CRAT tables on some AMD systems 158ebcfd1e2SFelix Kuehling */ 159ebcfd1e2SFelix Kuehling extern int ignore_crat; 160ebcfd1e2SFelix Kuehling 161bed4f110SFelix Kuehling /* 162bed4f110SFelix Kuehling * Set sh_mem_config.retry_disable on Vega10 163bed4f110SFelix Kuehling */ 16475ee6487SFelix Kuehling extern int amdgpu_noretry; 165bed4f110SFelix Kuehling 1660e9a860cSYong Zhao /* 1670e9a860cSYong Zhao * Halt if HWS hang is detected 1680e9a860cSYong Zhao */ 1690e9a860cSYong Zhao extern int halt_if_hws_hang; 1700e9a860cSYong Zhao 17129e76462SOak Zeng /* 17229e76462SOak Zeng * Whether MEC FW support GWS barriers 17329e76462SOak Zeng */ 17429e76462SOak Zeng extern bool hws_gws_support; 17529e76462SOak Zeng 17614328aa5SPhilip Cox /* 17714328aa5SPhilip Cox * Queue preemption timeout in ms 17814328aa5SPhilip Cox */ 17914328aa5SPhilip Cox extern int queue_preemption_timeout_ms; 18014328aa5SPhilip Cox 181ed6e6a34SBen Goz enum cache_policy { 182ed6e6a34SBen Goz cache_policy_coherent, 183ed6e6a34SBen Goz cache_policy_noncoherent 184ed6e6a34SBen Goz }; 185ed6e6a34SBen Goz 186ef568db7SFelix Kuehling #define KFD_IS_SOC15(chip) ((chip) >= CHIP_VEGA10) 187ef568db7SFelix Kuehling 188f3a39818SAndrew Lewycky struct kfd_event_interrupt_class { 189f3a39818SAndrew Lewycky bool (*interrupt_isr)(struct kfd_dev *dev, 19058e69886SLan Xiao const uint32_t *ih_ring_entry, uint32_t *patched_ihre, 19158e69886SLan Xiao bool *patched_flag); 192f3a39818SAndrew Lewycky void (*interrupt_wq)(struct kfd_dev *dev, 193f3a39818SAndrew Lewycky const uint32_t *ih_ring_entry); 194f3a39818SAndrew Lewycky }; 195f3a39818SAndrew Lewycky 1964a488a7aSOded Gabbay struct kfd_device_info { 197e596b903SYong Zhao enum amd_asic_type asic_family; 198c181159aSYong Zhao const char *asic_name; 199f3a39818SAndrew Lewycky const struct kfd_event_interrupt_class *event_interrupt_class; 2004a488a7aSOded Gabbay unsigned int max_pasid_bits; 201992839adSYair Shachar unsigned int max_no_of_hqd; 202ada2b29cSFelix Kuehling unsigned int doorbell_size; 2034a488a7aSOded Gabbay size_t ih_ring_entry_size; 204f7c826adSAlexey Skidanov uint8_t num_of_watch_points; 20519f6d2a6SOded Gabbay uint16_t mqd_size_aligned; 206373d7080SFelix Kuehling bool supports_cwsr; 20764d1c3a4SFelix Kuehling bool needs_iommu_device; 2083ee2d00cSFelix Kuehling bool needs_pci_atomics; 20998bb9222SYong Zhao unsigned int num_sdma_engines; 2101b4670f6SOak Zeng unsigned int num_xgmi_sdma_engines; 211d5094189SShaoyun Liu unsigned int num_sdma_queues_per_engine; 2124a488a7aSOded Gabbay }; 2134a488a7aSOded Gabbay 21436b5c08fSOded Gabbay struct kfd_mem_obj { 21536b5c08fSOded Gabbay uint32_t range_start; 21636b5c08fSOded Gabbay uint32_t range_end; 21736b5c08fSOded Gabbay uint64_t gpu_addr; 21836b5c08fSOded Gabbay uint32_t *cpu_ptr; 219b91d43ddSFelix Kuehling void *gtt_mem; 22036b5c08fSOded Gabbay }; 22136b5c08fSOded Gabbay 22244008d7aSYong Zhao struct kfd_vmid_info { 22344008d7aSYong Zhao uint32_t first_vmid_kfd; 22444008d7aSYong Zhao uint32_t last_vmid_kfd; 22544008d7aSYong Zhao uint32_t vmid_num_kfd; 22644008d7aSYong Zhao }; 22744008d7aSYong Zhao 2284a488a7aSOded Gabbay struct kfd_dev { 2294a488a7aSOded Gabbay struct kgd_dev *kgd; 2304a488a7aSOded Gabbay 2314a488a7aSOded Gabbay const struct kfd_device_info *device_info; 2324a488a7aSOded Gabbay struct pci_dev *pdev; 2333a0c3423SHarish Kasiviswanathan struct drm_device *ddev; 2344a488a7aSOded Gabbay 2354a488a7aSOded Gabbay unsigned int id; /* topology stub index */ 2364a488a7aSOded Gabbay 23719f6d2a6SOded Gabbay phys_addr_t doorbell_base; /* Start of actual doorbells used by 23819f6d2a6SOded Gabbay * KFD. It is aligned for mapping 23919f6d2a6SOded Gabbay * into user mode 24019f6d2a6SOded Gabbay */ 24119f6d2a6SOded Gabbay size_t doorbell_id_offset; /* Doorbell offset (from KFD doorbell 24219f6d2a6SOded Gabbay * to HW doorbell, GFX reserved some 24319f6d2a6SOded Gabbay * at the start) 24419f6d2a6SOded Gabbay */ 24519f6d2a6SOded Gabbay u32 __iomem *doorbell_kernel_ptr; /* This is a pointer for a doorbells 24619f6d2a6SOded Gabbay * page used by kernel queue 24719f6d2a6SOded Gabbay */ 24819f6d2a6SOded Gabbay 2494a488a7aSOded Gabbay struct kgd2kfd_shared_resources shared_resources; 25044008d7aSYong Zhao struct kfd_vmid_info vm_info; 2514a488a7aSOded Gabbay 252cea405b1SXihan Zhang const struct kfd2kgd_calls *kfd2kgd; 253cea405b1SXihan Zhang struct mutex doorbell_mutex; 254f761d8bdSJoe Perches DECLARE_BITMAP(doorbell_available_index, 255f761d8bdSJoe Perches KFD_MAX_NUM_OF_QUEUES_PER_PROCESS); 256cea405b1SXihan Zhang 25736b5c08fSOded Gabbay void *gtt_mem; 25836b5c08fSOded Gabbay uint64_t gtt_start_gpu_addr; 25936b5c08fSOded Gabbay void *gtt_start_cpu_ptr; 26036b5c08fSOded Gabbay void *gtt_sa_bitmap; 26136b5c08fSOded Gabbay struct mutex gtt_sa_lock; 26236b5c08fSOded Gabbay unsigned int gtt_sa_chunk_size; 26336b5c08fSOded Gabbay unsigned int gtt_sa_num_of_chunks; 26436b5c08fSOded Gabbay 2652249d558SAndrew Lewycky /* Interrupts */ 26604ad47bdSAndres Rodriguez struct kfifo ih_fifo; 26748e876a2SAndres Rodriguez struct workqueue_struct *ih_wq; 2682249d558SAndrew Lewycky struct work_struct interrupt_work; 2692249d558SAndrew Lewycky spinlock_t interrupt_lock; 2702249d558SAndrew Lewycky 271ed6e6a34SBen Goz /* QCM Device instance */ 272ed6e6a34SBen Goz struct device_queue_manager *dqm; 2734a488a7aSOded Gabbay 274ed6e6a34SBen Goz bool init_complete; 2752249d558SAndrew Lewycky /* 2762249d558SAndrew Lewycky * Interrupts of interest to KFD are copied 2772249d558SAndrew Lewycky * from the HW ring into a SW ring. 2782249d558SAndrew Lewycky */ 2792249d558SAndrew Lewycky bool interrupts_active; 280fbeb661bSYair Shachar 281fbeb661bSYair Shachar /* Debug manager */ 282fbeb661bSYair Shachar struct kfd_dbgmgr *dbgmgr; 283373d7080SFelix Kuehling 2845ade6c9cSFelix Kuehling /* Firmware versions */ 2855ade6c9cSFelix Kuehling uint16_t mec_fw_version; 2865ade6c9cSFelix Kuehling uint16_t sdma_fw_version; 2875ade6c9cSFelix Kuehling 288a99c6d4fSFelix Kuehling /* Maximum process number mapped to HW scheduler */ 289a99c6d4fSFelix Kuehling unsigned int max_proc_per_quantum; 290a99c6d4fSFelix Kuehling 291373d7080SFelix Kuehling /* CWSR */ 292373d7080SFelix Kuehling bool cwsr_enabled; 293373d7080SFelix Kuehling const void *cwsr_isa; 294373d7080SFelix Kuehling unsigned int cwsr_isa_size; 2950c1690e3SShaoyun Liu 2960c1690e3SShaoyun Liu /* xGMI */ 2970c1690e3SShaoyun Liu uint64_t hive_id; 298d35f00d8SEric Huang 299d35f00d8SEric Huang bool pci_atomic_requested; 3009b54d201SEric Huang 3019b54d201SEric Huang /* SRAM ECC flag */ 3029b54d201SEric Huang atomic_t sram_ecc_flag; 303f756e631SHarish Kasiviswanathan 304f756e631SHarish Kasiviswanathan /* Compute Profile ref. count */ 305f756e631SHarish Kasiviswanathan atomic_t compute_profile; 306e09d4fc8SOak Zeng 307e09d4fc8SOak Zeng /* Global GWS resource shared b/t processes*/ 308e09d4fc8SOak Zeng void *gws; 3094a488a7aSOded Gabbay }; 3104a488a7aSOded Gabbay 31119f6d2a6SOded Gabbay enum kfd_mempool { 31219f6d2a6SOded Gabbay KFD_MEMPOOL_SYSTEM_CACHEABLE = 1, 31319f6d2a6SOded Gabbay KFD_MEMPOOL_SYSTEM_WRITECOMBINE = 2, 31419f6d2a6SOded Gabbay KFD_MEMPOOL_FRAMEBUFFER = 3, 31519f6d2a6SOded Gabbay }; 31619f6d2a6SOded Gabbay 3174a488a7aSOded Gabbay /* Character device interface */ 3184a488a7aSOded Gabbay int kfd_chardev_init(void); 3194a488a7aSOded Gabbay void kfd_chardev_exit(void); 3204a488a7aSOded Gabbay struct device *kfd_chardev(void); 3214a488a7aSOded Gabbay 322241f24f8SBen Goz /** 3237da2bcf8SYong Zhao * enum kfd_unmap_queues_filter 324241f24f8SBen Goz * 3257da2bcf8SYong Zhao * @KFD_UNMAP_QUEUES_FILTER_SINGLE_QUEUE: Preempts single queue. 326241f24f8SBen Goz * 3277da2bcf8SYong Zhao * @KFD_UNMAP_QUEUES_FILTER_ALL_QUEUES: Preempts all queues in the 328241f24f8SBen Goz * running queues list. 329241f24f8SBen Goz * 3307da2bcf8SYong Zhao * @KFD_UNMAP_QUEUES_FILTER_BY_PASID: Preempts queues that belongs to 331241f24f8SBen Goz * specific process. 332241f24f8SBen Goz * 333241f24f8SBen Goz */ 3347da2bcf8SYong Zhao enum kfd_unmap_queues_filter { 3357da2bcf8SYong Zhao KFD_UNMAP_QUEUES_FILTER_SINGLE_QUEUE, 3367da2bcf8SYong Zhao KFD_UNMAP_QUEUES_FILTER_ALL_QUEUES, 3377da2bcf8SYong Zhao KFD_UNMAP_QUEUES_FILTER_DYNAMIC_QUEUES, 3387da2bcf8SYong Zhao KFD_UNMAP_QUEUES_FILTER_BY_PASID 339241f24f8SBen Goz }; 34019f6d2a6SOded Gabbay 341ed8aab45SBen Goz /** 342ed8aab45SBen Goz * enum kfd_queue_type 343ed8aab45SBen Goz * 344ed8aab45SBen Goz * @KFD_QUEUE_TYPE_COMPUTE: Regular user mode queue type. 345ed8aab45SBen Goz * 346ed8aab45SBen Goz * @KFD_QUEUE_TYPE_SDMA: Sdma user mode queue type. 347ed8aab45SBen Goz * 348ed8aab45SBen Goz * @KFD_QUEUE_TYPE_HIQ: HIQ queue type. 349ed8aab45SBen Goz * 350ed8aab45SBen Goz * @KFD_QUEUE_TYPE_DIQ: DIQ queue type. 351ed8aab45SBen Goz */ 352ed8aab45SBen Goz enum kfd_queue_type { 353ed8aab45SBen Goz KFD_QUEUE_TYPE_COMPUTE, 354ed8aab45SBen Goz KFD_QUEUE_TYPE_SDMA, 355ed8aab45SBen Goz KFD_QUEUE_TYPE_HIQ, 3561b4670f6SOak Zeng KFD_QUEUE_TYPE_DIQ, 3571b4670f6SOak Zeng KFD_QUEUE_TYPE_SDMA_XGMI 358ed8aab45SBen Goz }; 359ed8aab45SBen Goz 3606e99df57SBen Goz enum kfd_queue_format { 3616e99df57SBen Goz KFD_QUEUE_FORMAT_PM4, 3626e99df57SBen Goz KFD_QUEUE_FORMAT_AQL 3636e99df57SBen Goz }; 3646e99df57SBen Goz 3650ccbc7cdSOak Zeng enum KFD_QUEUE_PRIORITY { 3660ccbc7cdSOak Zeng KFD_QUEUE_PRIORITY_MINIMUM = 0, 3670ccbc7cdSOak Zeng KFD_QUEUE_PRIORITY_MAXIMUM = 15 3680ccbc7cdSOak Zeng }; 3690ccbc7cdSOak Zeng 370ed8aab45SBen Goz /** 371ed8aab45SBen Goz * struct queue_properties 372ed8aab45SBen Goz * 373ed8aab45SBen Goz * @type: The queue type. 374ed8aab45SBen Goz * 375ed8aab45SBen Goz * @queue_id: Queue identifier. 376ed8aab45SBen Goz * 377ed8aab45SBen Goz * @queue_address: Queue ring buffer address. 378ed8aab45SBen Goz * 379ed8aab45SBen Goz * @queue_size: Queue ring buffer size. 380ed8aab45SBen Goz * 381ed8aab45SBen Goz * @priority: Defines the queue priority relative to other queues in the 382ed8aab45SBen Goz * process. 383ed8aab45SBen Goz * This is just an indication and HW scheduling may override the priority as 384ed8aab45SBen Goz * necessary while keeping the relative prioritization. 385ed8aab45SBen Goz * the priority granularity is from 0 to f which f is the highest priority. 386ed8aab45SBen Goz * currently all queues are initialized with the highest priority. 387ed8aab45SBen Goz * 388ed8aab45SBen Goz * @queue_percent: This field is partially implemented and currently a zero in 389ed8aab45SBen Goz * this field defines that the queue is non active. 390ed8aab45SBen Goz * 391ed8aab45SBen Goz * @read_ptr: User space address which points to the number of dwords the 392ed8aab45SBen Goz * cp read from the ring buffer. This field updates automatically by the H/W. 393ed8aab45SBen Goz * 394ed8aab45SBen Goz * @write_ptr: Defines the number of dwords written to the ring buffer. 395ed8aab45SBen Goz * 396ed8aab45SBen Goz * @doorbell_ptr: This field aim is to notify the H/W of new packet written to 3978eabaf54SKent Russell * the queue ring buffer. This field should be similar to write_ptr and the 3988eabaf54SKent Russell * user should update this field after he updated the write_ptr. 399ed8aab45SBen Goz * 400ed8aab45SBen Goz * @doorbell_off: The doorbell offset in the doorbell pci-bar. 401ed8aab45SBen Goz * 4028eabaf54SKent Russell * @is_interop: Defines if this is a interop queue. Interop queue means that 4038eabaf54SKent Russell * the queue can access both graphics and compute resources. 404ed8aab45SBen Goz * 40526103436SFelix Kuehling * @is_evicted: Defines if the queue is evicted. Only active queues 40626103436SFelix Kuehling * are evicted, rendering them inactive. 40726103436SFelix Kuehling * 40826103436SFelix Kuehling * @is_active: Defines if the queue is active or not. @is_active and 40926103436SFelix Kuehling * @is_evicted are protected by the DQM lock. 410ed8aab45SBen Goz * 411ed8aab45SBen Goz * @vmid: If the scheduling mode is no cp scheduling the field defines the vmid 412ed8aab45SBen Goz * of the queue. 413ed8aab45SBen Goz * 414ed8aab45SBen Goz * This structure represents the queue properties for each queue no matter if 415ed8aab45SBen Goz * it's user mode or kernel mode queue. 416ed8aab45SBen Goz * 417ed8aab45SBen Goz */ 418ed8aab45SBen Goz struct queue_properties { 419ed8aab45SBen Goz enum kfd_queue_type type; 4206e99df57SBen Goz enum kfd_queue_format format; 421ed8aab45SBen Goz unsigned int queue_id; 422ed8aab45SBen Goz uint64_t queue_address; 423ed8aab45SBen Goz uint64_t queue_size; 424ed8aab45SBen Goz uint32_t priority; 425ed8aab45SBen Goz uint32_t queue_percent; 426ed8aab45SBen Goz uint32_t *read_ptr; 427ed8aab45SBen Goz uint32_t *write_ptr; 428ada2b29cSFelix Kuehling void __iomem *doorbell_ptr; 429ed8aab45SBen Goz uint32_t doorbell_off; 430ed8aab45SBen Goz bool is_interop; 43126103436SFelix Kuehling bool is_evicted; 432ed8aab45SBen Goz bool is_active; 433ed8aab45SBen Goz /* Not relevant for user mode queues in cp scheduling */ 434ed8aab45SBen Goz unsigned int vmid; 43577669eb8SBen Goz /* Relevant only for sdma queues*/ 43677669eb8SBen Goz uint32_t sdma_engine_id; 43777669eb8SBen Goz uint32_t sdma_queue_id; 43877669eb8SBen Goz uint32_t sdma_vm_addr; 439ff3d04a1SBen Goz /* Relevant only for VI */ 440ff3d04a1SBen Goz uint64_t eop_ring_buffer_address; 441ff3d04a1SBen Goz uint32_t eop_ring_buffer_size; 442ff3d04a1SBen Goz uint64_t ctx_save_restore_area_address; 443ff3d04a1SBen Goz uint32_t ctx_save_restore_area_size; 444373d7080SFelix Kuehling uint32_t ctl_stack_size; 445373d7080SFelix Kuehling uint64_t tba_addr; 446373d7080SFelix Kuehling uint64_t tma_addr; 44739e7f331SFelix Kuehling /* Relevant for CU */ 44839e7f331SFelix Kuehling uint32_t cu_mask_count; /* Must be a multiple of 32 */ 44939e7f331SFelix Kuehling uint32_t *cu_mask; 450ed8aab45SBen Goz }; 451ed8aab45SBen Goz 452bb2d2128SFelix Kuehling #define QUEUE_IS_ACTIVE(q) ((q).queue_size > 0 && \ 453bb2d2128SFelix Kuehling (q).queue_address != 0 && \ 454bb2d2128SFelix Kuehling (q).queue_percent > 0 && \ 455bb2d2128SFelix Kuehling !(q).is_evicted) 456bb2d2128SFelix Kuehling 457ed8aab45SBen Goz /** 458ed8aab45SBen Goz * struct queue 459ed8aab45SBen Goz * 460ed8aab45SBen Goz * @list: Queue linked list. 461ed8aab45SBen Goz * 462ed8aab45SBen Goz * @mqd: The queue MQD. 463ed8aab45SBen Goz * 464ed8aab45SBen Goz * @mqd_mem_obj: The MQD local gpu memory object. 465ed8aab45SBen Goz * 466ed8aab45SBen Goz * @gart_mqd_addr: The MQD gart mc address. 467ed8aab45SBen Goz * 468ed8aab45SBen Goz * @properties: The queue properties. 469ed8aab45SBen Goz * 470ed8aab45SBen Goz * @mec: Used only in no cp scheduling mode and identifies to micro engine id 471ed8aab45SBen Goz * that the queue should be execute on. 472ed8aab45SBen Goz * 4738eabaf54SKent Russell * @pipe: Used only in no cp scheduling mode and identifies the queue's pipe 4748eabaf54SKent Russell * id. 475ed8aab45SBen Goz * 476ed8aab45SBen Goz * @queue: Used only in no cp scheduliong mode and identifies the queue's slot. 477ed8aab45SBen Goz * 478ed8aab45SBen Goz * @process: The kfd process that created this queue. 479ed8aab45SBen Goz * 480ed8aab45SBen Goz * @device: The kfd device that created this queue. 481ed8aab45SBen Goz * 482eb82da1dSOak Zeng * @gws: Pointing to gws kgd_mem if this is a gws control queue; NULL 483eb82da1dSOak Zeng * otherwise. 484eb82da1dSOak Zeng * 485ed8aab45SBen Goz * This structure represents user mode compute queues. 486ed8aab45SBen Goz * It contains all the necessary data to handle such queues. 487ed8aab45SBen Goz * 488ed8aab45SBen Goz */ 489ed8aab45SBen Goz 490ed8aab45SBen Goz struct queue { 491ed8aab45SBen Goz struct list_head list; 492ed8aab45SBen Goz void *mqd; 493ed8aab45SBen Goz struct kfd_mem_obj *mqd_mem_obj; 494ed8aab45SBen Goz uint64_t gart_mqd_addr; 495ed8aab45SBen Goz struct queue_properties properties; 496ed8aab45SBen Goz 497ed8aab45SBen Goz uint32_t mec; 498ed8aab45SBen Goz uint32_t pipe; 499ed8aab45SBen Goz uint32_t queue; 500ed8aab45SBen Goz 50177669eb8SBen Goz unsigned int sdma_id; 502ef568db7SFelix Kuehling unsigned int doorbell_id; 50377669eb8SBen Goz 504ed8aab45SBen Goz struct kfd_process *process; 505ed8aab45SBen Goz struct kfd_dev *device; 506eb82da1dSOak Zeng void *gws; 507ed8aab45SBen Goz }; 508ed8aab45SBen Goz 5096e99df57SBen Goz /* 5106e99df57SBen Goz * Please read the kfd_mqd_manager.h description. 5116e99df57SBen Goz */ 5126e99df57SBen Goz enum KFD_MQD_TYPE { 51385d258f9SBen Goz KFD_MQD_TYPE_COMPUTE = 0, /* for no cp scheduling */ 51485d258f9SBen Goz KFD_MQD_TYPE_HIQ, /* for hiq */ 51585d258f9SBen Goz KFD_MQD_TYPE_CP, /* for cp queues and diq */ 51685d258f9SBen Goz KFD_MQD_TYPE_SDMA, /* for sdma queues */ 51759f650a0SOak Zeng KFD_MQD_TYPE_DIQ, /* for diq */ 5186e99df57SBen Goz KFD_MQD_TYPE_MAX 5196e99df57SBen Goz }; 5206e99df57SBen Goz 5210ccbc7cdSOak Zeng enum KFD_PIPE_PRIORITY { 5220ccbc7cdSOak Zeng KFD_PIPE_PRIORITY_CS_LOW = 0, 5230ccbc7cdSOak Zeng KFD_PIPE_PRIORITY_CS_MEDIUM, 5240ccbc7cdSOak Zeng KFD_PIPE_PRIORITY_CS_HIGH 5250ccbc7cdSOak Zeng }; 5260ccbc7cdSOak Zeng 527241f24f8SBen Goz struct scheduling_resources { 528241f24f8SBen Goz unsigned int vmid_mask; 529241f24f8SBen Goz enum kfd_queue_type type; 530241f24f8SBen Goz uint64_t queue_mask; 531241f24f8SBen Goz uint64_t gws_mask; 532241f24f8SBen Goz uint32_t oac_mask; 533241f24f8SBen Goz uint32_t gds_heap_base; 534241f24f8SBen Goz uint32_t gds_heap_size; 535241f24f8SBen Goz }; 536241f24f8SBen Goz 537241f24f8SBen Goz struct process_queue_manager { 538241f24f8SBen Goz /* data */ 539241f24f8SBen Goz struct kfd_process *process; 540241f24f8SBen Goz struct list_head queues; 541241f24f8SBen Goz unsigned long *queue_slot_bitmap; 542241f24f8SBen Goz }; 543241f24f8SBen Goz 544241f24f8SBen Goz struct qcm_process_device { 545241f24f8SBen Goz /* The Device Queue Manager that owns this data */ 546241f24f8SBen Goz struct device_queue_manager *dqm; 547241f24f8SBen Goz struct process_queue_manager *pqm; 548241f24f8SBen Goz /* Queues list */ 549241f24f8SBen Goz struct list_head queues_list; 550241f24f8SBen Goz struct list_head priv_queue_list; 551241f24f8SBen Goz 552241f24f8SBen Goz unsigned int queue_count; 553241f24f8SBen Goz unsigned int vmid; 554241f24f8SBen Goz bool is_debug; 55526103436SFelix Kuehling unsigned int evicted; /* eviction counter, 0=active */ 5569fd3f1bfSFelix Kuehling 5579fd3f1bfSFelix Kuehling /* This flag tells if we should reset all wavefronts on 5589fd3f1bfSFelix Kuehling * process termination 5599fd3f1bfSFelix Kuehling */ 5609fd3f1bfSFelix Kuehling bool reset_wavefronts; 5619fd3f1bfSFelix Kuehling 562241f24f8SBen Goz /* 563241f24f8SBen Goz * All the memory management data should be here too 564241f24f8SBen Goz */ 565241f24f8SBen Goz uint64_t gds_context_area; 566435e2f97SYong Zhao /* Contains page table flags such as AMDGPU_PTE_VALID since gfx9 */ 567e715c6d0SShaoyun Liu uint64_t page_table_base; 568241f24f8SBen Goz uint32_t sh_mem_config; 569241f24f8SBen Goz uint32_t sh_mem_bases; 570241f24f8SBen Goz uint32_t sh_mem_ape1_base; 571241f24f8SBen Goz uint32_t sh_mem_ape1_limit; 572241f24f8SBen Goz uint32_t gds_size; 573241f24f8SBen Goz uint32_t num_gws; 574241f24f8SBen Goz uint32_t num_oac; 5756a1c9510SMoses Reuben uint32_t sh_hidden_private_base; 576373d7080SFelix Kuehling 577373d7080SFelix Kuehling /* CWSR memory */ 578373d7080SFelix Kuehling void *cwsr_kaddr; 579d01994c2SFelix Kuehling uint64_t cwsr_base; 580373d7080SFelix Kuehling uint64_t tba_addr; 581373d7080SFelix Kuehling uint64_t tma_addr; 582d01994c2SFelix Kuehling 583d01994c2SFelix Kuehling /* IB memory */ 584d01994c2SFelix Kuehling uint64_t ib_base; 585552764b6SFelix Kuehling void *ib_kaddr; 586ef568db7SFelix Kuehling 587ef568db7SFelix Kuehling /* doorbell resources per process per device */ 588ef568db7SFelix Kuehling unsigned long *doorbell_bitmap; 589241f24f8SBen Goz }; 590241f24f8SBen Goz 59126103436SFelix Kuehling /* KFD Memory Eviction */ 59226103436SFelix Kuehling 59326103436SFelix Kuehling /* Approx. wait time before attempting to restore evicted BOs */ 59426103436SFelix Kuehling #define PROCESS_RESTORE_TIME_MS 100 59526103436SFelix Kuehling /* Approx. back off time if restore fails due to lack of memory */ 59626103436SFelix Kuehling #define PROCESS_BACK_OFF_TIME_MS 100 59726103436SFelix Kuehling /* Approx. time before evicting the process again */ 59826103436SFelix Kuehling #define PROCESS_ACTIVE_TIME_MS 10 59926103436SFelix Kuehling 6005ec7e028SFelix Kuehling /* 8 byte handle containing GPU ID in the most significant 4 bytes and 6015ec7e028SFelix Kuehling * idr_handle in the least significant 4 bytes 6025ec7e028SFelix Kuehling */ 6035ec7e028SFelix Kuehling #define MAKE_HANDLE(gpu_id, idr_handle) \ 6045ec7e028SFelix Kuehling (((uint64_t)(gpu_id) << 32) + idr_handle) 6055ec7e028SFelix Kuehling #define GET_GPU_ID(handle) (handle >> 32) 6065ec7e028SFelix Kuehling #define GET_IDR_HANDLE(handle) (handle & 0xFFFFFFFF) 6075ec7e028SFelix Kuehling 608733fa1f7SYong Zhao enum kfd_pdd_bound { 609733fa1f7SYong Zhao PDD_UNBOUND = 0, 610733fa1f7SYong Zhao PDD_BOUND, 611733fa1f7SYong Zhao PDD_BOUND_SUSPENDED, 612733fa1f7SYong Zhao }; 613733fa1f7SYong Zhao 61419f6d2a6SOded Gabbay /* Data that is per-process-per device. */ 61519f6d2a6SOded Gabbay struct kfd_process_device { 61619f6d2a6SOded Gabbay /* 61719f6d2a6SOded Gabbay * List of all per-device data for a process. 61819f6d2a6SOded Gabbay * Starts from kfd_process.per_device_data. 61919f6d2a6SOded Gabbay */ 62019f6d2a6SOded Gabbay struct list_head per_device_list; 62119f6d2a6SOded Gabbay 62219f6d2a6SOded Gabbay /* The device that owns this data. */ 62319f6d2a6SOded Gabbay struct kfd_dev *dev; 62419f6d2a6SOded Gabbay 6259fd3f1bfSFelix Kuehling /* The process that owns this kfd_process_device. */ 6269fd3f1bfSFelix Kuehling struct kfd_process *process; 62719f6d2a6SOded Gabbay 62845102048SBen Goz /* per-process-per device QCM data structure */ 62945102048SBen Goz struct qcm_process_device qpd; 63045102048SBen Goz 63119f6d2a6SOded Gabbay /*Apertures*/ 63219f6d2a6SOded Gabbay uint64_t lds_base; 63319f6d2a6SOded Gabbay uint64_t lds_limit; 63419f6d2a6SOded Gabbay uint64_t gpuvm_base; 63519f6d2a6SOded Gabbay uint64_t gpuvm_limit; 63619f6d2a6SOded Gabbay uint64_t scratch_base; 63719f6d2a6SOded Gabbay uint64_t scratch_limit; 63819f6d2a6SOded Gabbay 639403575c4SFelix Kuehling /* VM context for GPUVM allocations */ 640b84394e2SFelix Kuehling struct file *drm_file; 641403575c4SFelix Kuehling void *vm; 642403575c4SFelix Kuehling 64352b29d73SFelix Kuehling /* GPUVM allocations storage */ 64452b29d73SFelix Kuehling struct idr alloc_idr; 64552b29d73SFelix Kuehling 6469fd3f1bfSFelix Kuehling /* Flag used to tell the pdd has dequeued from the dqm. 6479fd3f1bfSFelix Kuehling * This is used to prevent dev->dqm->ops.process_termination() from 6489fd3f1bfSFelix Kuehling * being called twice when it is already called in IOMMU callback 6499fd3f1bfSFelix Kuehling * function. 650a82918f1SBen Goz */ 6519fd3f1bfSFelix Kuehling bool already_dequeued; 65264d1c3a4SFelix Kuehling 65364d1c3a4SFelix Kuehling /* Is this process/pasid bound to this device? (amd_iommu_bind_pasid) */ 65464d1c3a4SFelix Kuehling enum kfd_pdd_bound bound; 65519f6d2a6SOded Gabbay }; 65619f6d2a6SOded Gabbay 65752a5fdceSAlexey Skidanov #define qpd_to_pdd(x) container_of(x, struct kfd_process_device, qpd) 65852a5fdceSAlexey Skidanov 6594a488a7aSOded Gabbay /* Process data */ 6604a488a7aSOded Gabbay struct kfd_process { 66119f6d2a6SOded Gabbay /* 66219f6d2a6SOded Gabbay * kfd_process are stored in an mm_struct*->kfd_process* 66319f6d2a6SOded Gabbay * hash table (kfd_processes in kfd_process.c) 66419f6d2a6SOded Gabbay */ 66519f6d2a6SOded Gabbay struct hlist_node kfd_processes; 66619f6d2a6SOded Gabbay 6679b56bb11SFelix Kuehling /* 6689b56bb11SFelix Kuehling * Opaque pointer to mm_struct. We don't hold a reference to 6699b56bb11SFelix Kuehling * it so it should never be dereferenced from here. This is 6709b56bb11SFelix Kuehling * only used for looking up processes by their mm. 6719b56bb11SFelix Kuehling */ 6729b56bb11SFelix Kuehling void *mm; 67319f6d2a6SOded Gabbay 6745ce10687SFelix Kuehling struct kref ref; 6755ce10687SFelix Kuehling struct work_struct release_work; 6765ce10687SFelix Kuehling 67719f6d2a6SOded Gabbay struct mutex mutex; 67819f6d2a6SOded Gabbay 67919f6d2a6SOded Gabbay /* 68019f6d2a6SOded Gabbay * In any process, the thread that started main() is the lead 68119f6d2a6SOded Gabbay * thread and outlives the rest. 68219f6d2a6SOded Gabbay * It is here because amd_iommu_bind_pasid wants a task_struct. 683894a8293SFelix Kuehling * It can also be used for safely getting a reference to the 684894a8293SFelix Kuehling * mm_struct of the process. 68519f6d2a6SOded Gabbay */ 68619f6d2a6SOded Gabbay struct task_struct *lead_thread; 68719f6d2a6SOded Gabbay 68819f6d2a6SOded Gabbay /* We want to receive a notification when the mm_struct is destroyed */ 68919f6d2a6SOded Gabbay struct mmu_notifier mmu_notifier; 69019f6d2a6SOded Gabbay 69119f6d2a6SOded Gabbay /* Use for delayed freeing of kfd_process structure */ 69219f6d2a6SOded Gabbay struct rcu_head rcu; 69319f6d2a6SOded Gabbay 6946027b1bfSYong Zhao uint16_t pasid; 695a91e70e3SFelix Kuehling unsigned int doorbell_index; 69619f6d2a6SOded Gabbay 69719f6d2a6SOded Gabbay /* 69819f6d2a6SOded Gabbay * List of kfd_process_device structures, 69919f6d2a6SOded Gabbay * one for each device the process is using. 70019f6d2a6SOded Gabbay */ 70119f6d2a6SOded Gabbay struct list_head per_device_data; 70219f6d2a6SOded Gabbay 70345102048SBen Goz struct process_queue_manager pqm; 70445102048SBen Goz 70519f6d2a6SOded Gabbay /*Is the user space process 32 bit?*/ 70619f6d2a6SOded Gabbay bool is_32bit_user_mode; 707f3a39818SAndrew Lewycky 708f3a39818SAndrew Lewycky /* Event-related data */ 709f3a39818SAndrew Lewycky struct mutex event_mutex; 710482f0777SFelix Kuehling /* Event ID allocator and lookup */ 711482f0777SFelix Kuehling struct idr event_idr; 71250cb7dd9SFelix Kuehling /* Event page */ 71350cb7dd9SFelix Kuehling struct kfd_signal_page *signal_page; 714b9a5d0a5SFelix Kuehling size_t signal_mapped_size; 715f3a39818SAndrew Lewycky size_t signal_event_count; 716c986169fSFelix Kuehling bool signal_event_limit_reached; 717403575c4SFelix Kuehling 718403575c4SFelix Kuehling /* Information used for memory eviction */ 719403575c4SFelix Kuehling void *kgd_process_info; 720403575c4SFelix Kuehling /* Eviction fence that is attached to all the BOs of this process. The 721403575c4SFelix Kuehling * fence will be triggered during eviction and new one will be created 722403575c4SFelix Kuehling * during restore 723403575c4SFelix Kuehling */ 724403575c4SFelix Kuehling struct dma_fence *ef; 72526103436SFelix Kuehling 72626103436SFelix Kuehling /* Work items for evicting and restoring BOs */ 72726103436SFelix Kuehling struct delayed_work eviction_work; 72826103436SFelix Kuehling struct delayed_work restore_work; 72926103436SFelix Kuehling /* seqno of the last scheduled eviction */ 73026103436SFelix Kuehling unsigned int last_eviction_seqno; 73126103436SFelix Kuehling /* Approx. the last timestamp (in jiffies) when the process was 73226103436SFelix Kuehling * restored after an eviction 73326103436SFelix Kuehling */ 73426103436SFelix Kuehling unsigned long last_restore_timestamp; 735de9f26bbSKent Russell 736de9f26bbSKent Russell /* Kobj for our procfs */ 737de9f26bbSKent Russell struct kobject *kobj; 738de9f26bbSKent Russell struct attribute attr_pasid; 7394a488a7aSOded Gabbay }; 7404a488a7aSOded Gabbay 74164d1c3a4SFelix Kuehling #define KFD_PROCESS_TABLE_SIZE 5 /* bits: 32 entries */ 74264d1c3a4SFelix Kuehling extern DECLARE_HASHTABLE(kfd_processes_table, KFD_PROCESS_TABLE_SIZE); 74364d1c3a4SFelix Kuehling extern struct srcu_struct kfd_processes_srcu; 74464d1c3a4SFelix Kuehling 74576baee6cSOded Gabbay /** 74676baee6cSOded Gabbay * Ioctl function type. 74776baee6cSOded Gabbay * 74876baee6cSOded Gabbay * \param filep pointer to file structure. 74976baee6cSOded Gabbay * \param p amdkfd process pointer. 75076baee6cSOded Gabbay * \param data pointer to arg that was copied from user. 75176baee6cSOded Gabbay */ 75276baee6cSOded Gabbay typedef int amdkfd_ioctl_t(struct file *filep, struct kfd_process *p, 75376baee6cSOded Gabbay void *data); 75476baee6cSOded Gabbay 75576baee6cSOded Gabbay struct amdkfd_ioctl_desc { 75676baee6cSOded Gabbay unsigned int cmd; 75776baee6cSOded Gabbay int flags; 75876baee6cSOded Gabbay amdkfd_ioctl_t *func; 75976baee6cSOded Gabbay unsigned int cmd_drv; 76076baee6cSOded Gabbay const char *name; 76176baee6cSOded Gabbay }; 76267f7cf9fSshaoyunl bool kfd_dev_is_large_bar(struct kfd_dev *dev); 76376baee6cSOded Gabbay 7641679ae8fSFelix Kuehling int kfd_process_create_wq(void); 76519f6d2a6SOded Gabbay void kfd_process_destroy_wq(void); 766373d7080SFelix Kuehling struct kfd_process *kfd_create_process(struct file *filep); 76719f6d2a6SOded Gabbay struct kfd_process *kfd_get_process(const struct task_struct *); 768f3a39818SAndrew Lewycky struct kfd_process *kfd_lookup_process_by_pasid(unsigned int pasid); 76926103436SFelix Kuehling struct kfd_process *kfd_lookup_process_by_mm(const struct mm_struct *mm); 770abb208a8SFelix Kuehling void kfd_unref_process(struct kfd_process *p); 7716b95e797SFelix Kuehling int kfd_process_evict_queues(struct kfd_process *p); 7726b95e797SFelix Kuehling int kfd_process_restore_queues(struct kfd_process *p); 77326103436SFelix Kuehling void kfd_suspend_all_processes(void); 77426103436SFelix Kuehling int kfd_resume_all_processes(void); 77519f6d2a6SOded Gabbay 776b84394e2SFelix Kuehling int kfd_process_device_init_vm(struct kfd_process_device *pdd, 777b84394e2SFelix Kuehling struct file *drm_file); 77864c7f8cfSBen Goz struct kfd_process_device *kfd_bind_process_to_device(struct kfd_dev *dev, 77964c7f8cfSBen Goz struct kfd_process *p); 78019f6d2a6SOded Gabbay struct kfd_process_device *kfd_get_process_device_data(struct kfd_dev *dev, 781093c7d8cSAlexey Skidanov struct kfd_process *p); 782093c7d8cSAlexey Skidanov struct kfd_process_device *kfd_create_process_device_data(struct kfd_dev *dev, 783093c7d8cSAlexey Skidanov struct kfd_process *p); 78419f6d2a6SOded Gabbay 785df03ef93SHarish Kasiviswanathan int kfd_reserved_mem_mmap(struct kfd_dev *dev, struct kfd_process *process, 786373d7080SFelix Kuehling struct vm_area_struct *vma); 787373d7080SFelix Kuehling 78852b29d73SFelix Kuehling /* KFD process API for creating and translating handles */ 78952b29d73SFelix Kuehling int kfd_process_device_create_obj_handle(struct kfd_process_device *pdd, 79052b29d73SFelix Kuehling void *mem); 79152b29d73SFelix Kuehling void *kfd_process_device_translate_handle(struct kfd_process_device *p, 79252b29d73SFelix Kuehling int handle); 79352b29d73SFelix Kuehling void kfd_process_device_remove_obj_handle(struct kfd_process_device *pdd, 79452b29d73SFelix Kuehling int handle); 79552b29d73SFelix Kuehling 796775921edSAlexey Skidanov /* Process device data iterator */ 7978eabaf54SKent Russell struct kfd_process_device *kfd_get_first_process_device_data( 7988eabaf54SKent Russell struct kfd_process *p); 7998eabaf54SKent Russell struct kfd_process_device *kfd_get_next_process_device_data( 8008eabaf54SKent Russell struct kfd_process *p, 801775921edSAlexey Skidanov struct kfd_process_device *pdd); 802775921edSAlexey Skidanov bool kfd_has_process_device_data(struct kfd_process *p); 803775921edSAlexey Skidanov 80419f6d2a6SOded Gabbay /* PASIDs */ 80519f6d2a6SOded Gabbay int kfd_pasid_init(void); 80619f6d2a6SOded Gabbay void kfd_pasid_exit(void); 80719f6d2a6SOded Gabbay bool kfd_set_pasid_limit(unsigned int new_limit); 80819f6d2a6SOded Gabbay unsigned int kfd_get_pasid_limit(void); 80919f6d2a6SOded Gabbay unsigned int kfd_pasid_alloc(void); 81019f6d2a6SOded Gabbay void kfd_pasid_free(unsigned int pasid); 81119f6d2a6SOded Gabbay 81219f6d2a6SOded Gabbay /* Doorbells */ 813ef568db7SFelix Kuehling size_t kfd_doorbell_process_slice(struct kfd_dev *kfd); 814735df2baSFelix Kuehling int kfd_doorbell_init(struct kfd_dev *kfd); 815735df2baSFelix Kuehling void kfd_doorbell_fini(struct kfd_dev *kfd); 816df03ef93SHarish Kasiviswanathan int kfd_doorbell_mmap(struct kfd_dev *dev, struct kfd_process *process, 817df03ef93SHarish Kasiviswanathan struct vm_area_struct *vma); 818ada2b29cSFelix Kuehling void __iomem *kfd_get_kernel_doorbell(struct kfd_dev *kfd, 81919f6d2a6SOded Gabbay unsigned int *doorbell_off); 82019f6d2a6SOded Gabbay void kfd_release_kernel_doorbell(struct kfd_dev *kfd, u32 __iomem *db_addr); 82119f6d2a6SOded Gabbay u32 read_kernel_doorbell(u32 __iomem *db); 822ada2b29cSFelix Kuehling void write_kernel_doorbell(void __iomem *db, u32 value); 8239d7d0248SFelix Kuehling void write_kernel_doorbell64(void __iomem *db, u64 value); 824ef568db7SFelix Kuehling unsigned int kfd_doorbell_id_to_offset(struct kfd_dev *kfd, 82519f6d2a6SOded Gabbay struct kfd_process *process, 826ef568db7SFelix Kuehling unsigned int doorbell_id); 827a91e70e3SFelix Kuehling phys_addr_t kfd_get_process_doorbells(struct kfd_dev *dev, 828a91e70e3SFelix Kuehling struct kfd_process *process); 829a91e70e3SFelix Kuehling int kfd_alloc_process_doorbells(struct kfd_process *process); 830a91e70e3SFelix Kuehling void kfd_free_process_doorbells(struct kfd_process *process); 83119f6d2a6SOded Gabbay 8326e81090bSOded Gabbay /* GTT Sub-Allocator */ 8336e81090bSOded Gabbay 8346e81090bSOded Gabbay int kfd_gtt_sa_allocate(struct kfd_dev *kfd, unsigned int size, 8356e81090bSOded Gabbay struct kfd_mem_obj **mem_obj); 8366e81090bSOded Gabbay 8376e81090bSOded Gabbay int kfd_gtt_sa_free(struct kfd_dev *kfd, struct kfd_mem_obj *mem_obj); 8386e81090bSOded Gabbay 8394a488a7aSOded Gabbay extern struct device *kfd_device; 8404a488a7aSOded Gabbay 841de9f26bbSKent Russell /* KFD's procfs */ 842de9f26bbSKent Russell void kfd_procfs_init(void); 843de9f26bbSKent Russell void kfd_procfs_shutdown(void); 844de9f26bbSKent Russell 8455b5c4e40SEvgeny Pinchuk /* Topology */ 8465b5c4e40SEvgeny Pinchuk int kfd_topology_init(void); 8475b5c4e40SEvgeny Pinchuk void kfd_topology_shutdown(void); 8485b5c4e40SEvgeny Pinchuk int kfd_topology_add_device(struct kfd_dev *gpu); 8495b5c4e40SEvgeny Pinchuk int kfd_topology_remove_device(struct kfd_dev *gpu); 8503a87177eSHarish Kasiviswanathan struct kfd_topology_device *kfd_topology_device_by_proximity_domain( 8513a87177eSHarish Kasiviswanathan uint32_t proximity_domain); 85244d8cc6fSYong Zhao struct kfd_topology_device *kfd_topology_device_by_id(uint32_t gpu_id); 8535b5c4e40SEvgeny Pinchuk struct kfd_dev *kfd_device_by_id(uint32_t gpu_id); 8545b5c4e40SEvgeny Pinchuk struct kfd_dev *kfd_device_by_pci_dev(const struct pci_dev *pdev); 8551dde0ea9SFelix Kuehling struct kfd_dev *kfd_device_by_kgd(const struct kgd_dev *kgd); 8566d82eb0eSHarish Kasiviswanathan int kfd_topology_enum_kfd_devices(uint8_t idx, struct kfd_dev **kdev); 857520b8fb7SFelix Kuehling int kfd_numa_node_to_apic_id(int numa_node_id); 8585b5c4e40SEvgeny Pinchuk 8594a488a7aSOded Gabbay /* Interrupts */ 8602249d558SAndrew Lewycky int kfd_interrupt_init(struct kfd_dev *dev); 8612249d558SAndrew Lewycky void kfd_interrupt_exit(struct kfd_dev *dev); 8622249d558SAndrew Lewycky bool enqueue_ih_ring_entry(struct kfd_dev *kfd, const void *ih_ring_entry); 86358e69886SLan Xiao bool interrupt_is_wanted(struct kfd_dev *dev, 86458e69886SLan Xiao const uint32_t *ih_ring_entry, 86558e69886SLan Xiao uint32_t *patched_ihre, bool *flag); 8664a488a7aSOded Gabbay 86719f6d2a6SOded Gabbay /* amdkfd Apertures */ 86819f6d2a6SOded Gabbay int kfd_init_apertures(struct kfd_process *process); 86919f6d2a6SOded Gabbay 870ed6e6a34SBen Goz /* Queue Context Management */ 871e88a614cSEdward O'Callaghan int init_queue(struct queue **q, const struct queue_properties *properties); 872ed6e6a34SBen Goz void uninit_queue(struct queue *q); 87345102048SBen Goz void print_queue_properties(struct queue_properties *q); 874ed6e6a34SBen Goz void print_queue(struct queue *q); 875ed6e6a34SBen Goz 8764b8f589bSBen Goz struct mqd_manager *mqd_manager_init_cik(enum KFD_MQD_TYPE type, 8774b8f589bSBen Goz struct kfd_dev *dev); 878ee04955aSFelix Kuehling struct mqd_manager *mqd_manager_init_cik_hawaii(enum KFD_MQD_TYPE type, 879ee04955aSFelix Kuehling struct kfd_dev *dev); 8804b8f589bSBen Goz struct mqd_manager *mqd_manager_init_vi(enum KFD_MQD_TYPE type, 8814b8f589bSBen Goz struct kfd_dev *dev); 882ee04955aSFelix Kuehling struct mqd_manager *mqd_manager_init_vi_tonga(enum KFD_MQD_TYPE type, 883ee04955aSFelix Kuehling struct kfd_dev *dev); 884b91d43ddSFelix Kuehling struct mqd_manager *mqd_manager_init_v9(enum KFD_MQD_TYPE type, 885b91d43ddSFelix Kuehling struct kfd_dev *dev); 88614328aa5SPhilip Cox struct mqd_manager *mqd_manager_init_v10(enum KFD_MQD_TYPE type, 88714328aa5SPhilip Cox struct kfd_dev *dev); 88864c7f8cfSBen Goz struct device_queue_manager *device_queue_manager_init(struct kfd_dev *dev); 88964c7f8cfSBen Goz void device_queue_manager_uninit(struct device_queue_manager *dqm); 890241f24f8SBen Goz struct kernel_queue *kernel_queue_init(struct kfd_dev *dev, 891241f24f8SBen Goz enum kfd_queue_type type); 892241f24f8SBen Goz void kernel_queue_uninit(struct kernel_queue *kq); 8932640c3faSshaoyunl int kfd_process_vm_fault(struct device_queue_manager *dqm, unsigned int pasid); 894241f24f8SBen Goz 89545102048SBen Goz /* Process Queue Manager */ 89645102048SBen Goz struct process_queue_node { 89745102048SBen Goz struct queue *q; 89845102048SBen Goz struct kernel_queue *kq; 89945102048SBen Goz struct list_head process_queue_list; 90045102048SBen Goz }; 90145102048SBen Goz 9029fd3f1bfSFelix Kuehling void kfd_process_dequeue_from_device(struct kfd_process_device *pdd); 9039fd3f1bfSFelix Kuehling void kfd_process_dequeue_from_all_devices(struct kfd_process *p); 90445102048SBen Goz int pqm_init(struct process_queue_manager *pqm, struct kfd_process *p); 90545102048SBen Goz void pqm_uninit(struct process_queue_manager *pqm); 90645102048SBen Goz int pqm_create_queue(struct process_queue_manager *pqm, 90745102048SBen Goz struct kfd_dev *dev, 90845102048SBen Goz struct file *f, 90945102048SBen Goz struct queue_properties *properties, 91045102048SBen Goz unsigned int *qid); 91145102048SBen Goz int pqm_destroy_queue(struct process_queue_manager *pqm, unsigned int qid); 91245102048SBen Goz int pqm_update_queue(struct process_queue_manager *pqm, unsigned int qid, 91345102048SBen Goz struct queue_properties *p); 91439e7f331SFelix Kuehling int pqm_set_cu_mask(struct process_queue_manager *pqm, unsigned int qid, 91539e7f331SFelix Kuehling struct queue_properties *p); 916eb82da1dSOak Zeng int pqm_set_gws(struct process_queue_manager *pqm, unsigned int qid, 917eb82da1dSOak Zeng void *gws); 918fbeb661bSYair Shachar struct kernel_queue *pqm_get_kernel_queue(struct process_queue_manager *pqm, 919fbeb661bSYair Shachar unsigned int qid); 9205df099e8SJay Cornwall int pqm_get_wave_state(struct process_queue_manager *pqm, 9215df099e8SJay Cornwall unsigned int qid, 9225df099e8SJay Cornwall void __user *ctl_stack, 9235df099e8SJay Cornwall u32 *ctl_stack_used_size, 9245df099e8SJay Cornwall u32 *save_area_used_size); 92545102048SBen Goz 926788bf83dSYair Shachar int amdkfd_fence_wait_timeout(unsigned int *fence_addr, 927788bf83dSYair Shachar unsigned int fence_value, 9288c72c3d7SYong Zhao unsigned int timeout_ms); 929788bf83dSYair Shachar 930ed6e6a34SBen Goz /* Packet Manager */ 931ed6e6a34SBen Goz 93264c7f8cfSBen Goz #define KFD_FENCE_COMPLETED (100) 93364c7f8cfSBen Goz #define KFD_FENCE_INIT (10) 934241f24f8SBen Goz 935ed6e6a34SBen Goz struct packet_manager { 936ed6e6a34SBen Goz struct device_queue_manager *dqm; 937ed6e6a34SBen Goz struct kernel_queue *priv_queue; 938ed6e6a34SBen Goz struct mutex lock; 939ed6e6a34SBen Goz bool allocated; 940ed6e6a34SBen Goz struct kfd_mem_obj *ib_buffer_obj; 941851a645eSFelix Kuehling unsigned int ib_size_bytes; 942819ec5acSFelix Kuehling bool is_over_subscription; 943f6e27ff1SFelix Kuehling 944f6e27ff1SFelix Kuehling const struct packet_manager_funcs *pmf; 945ed6e6a34SBen Goz }; 946ed6e6a34SBen Goz 947f6e27ff1SFelix Kuehling struct packet_manager_funcs { 948f6e27ff1SFelix Kuehling /* Support ASIC-specific packet formats for PM4 packets */ 949f6e27ff1SFelix Kuehling int (*map_process)(struct packet_manager *pm, uint32_t *buffer, 950f6e27ff1SFelix Kuehling struct qcm_process_device *qpd); 951f6e27ff1SFelix Kuehling int (*runlist)(struct packet_manager *pm, uint32_t *buffer, 952f6e27ff1SFelix Kuehling uint64_t ib, size_t ib_size_in_dwords, bool chain); 953f6e27ff1SFelix Kuehling int (*set_resources)(struct packet_manager *pm, uint32_t *buffer, 954f6e27ff1SFelix Kuehling struct scheduling_resources *res); 955f6e27ff1SFelix Kuehling int (*map_queues)(struct packet_manager *pm, uint32_t *buffer, 956f6e27ff1SFelix Kuehling struct queue *q, bool is_static); 957f6e27ff1SFelix Kuehling int (*unmap_queues)(struct packet_manager *pm, uint32_t *buffer, 958f6e27ff1SFelix Kuehling enum kfd_queue_type type, 959f6e27ff1SFelix Kuehling enum kfd_unmap_queues_filter mode, 960f6e27ff1SFelix Kuehling uint32_t filter_param, bool reset, 961f6e27ff1SFelix Kuehling unsigned int sdma_engine); 962f6e27ff1SFelix Kuehling int (*query_status)(struct packet_manager *pm, uint32_t *buffer, 963f6e27ff1SFelix Kuehling uint64_t fence_address, uint32_t fence_value); 964f6e27ff1SFelix Kuehling int (*release_mem)(uint64_t gpu_addr, uint32_t *buffer); 965f6e27ff1SFelix Kuehling 966f6e27ff1SFelix Kuehling /* Packet sizes */ 967f6e27ff1SFelix Kuehling int map_process_size; 968f6e27ff1SFelix Kuehling int runlist_size; 969f6e27ff1SFelix Kuehling int set_resources_size; 970f6e27ff1SFelix Kuehling int map_queues_size; 971f6e27ff1SFelix Kuehling int unmap_queues_size; 972f6e27ff1SFelix Kuehling int query_status_size; 973f6e27ff1SFelix Kuehling int release_mem_size; 974f6e27ff1SFelix Kuehling }; 975f6e27ff1SFelix Kuehling 976f6e27ff1SFelix Kuehling extern const struct packet_manager_funcs kfd_vi_pm_funcs; 977454150b1SFelix Kuehling extern const struct packet_manager_funcs kfd_v9_pm_funcs; 97814328aa5SPhilip Cox extern const struct packet_manager_funcs kfd_v10_pm_funcs; 979f6e27ff1SFelix Kuehling 98064c7f8cfSBen Goz int pm_init(struct packet_manager *pm, struct device_queue_manager *dqm); 98164c7f8cfSBen Goz void pm_uninit(struct packet_manager *pm); 98264c7f8cfSBen Goz int pm_send_set_resources(struct packet_manager *pm, 98364c7f8cfSBen Goz struct scheduling_resources *res); 98464c7f8cfSBen Goz int pm_send_runlist(struct packet_manager *pm, struct list_head *dqm_queues); 98564c7f8cfSBen Goz int pm_send_query_status(struct packet_manager *pm, uint64_t fence_address, 98664c7f8cfSBen Goz uint32_t fence_value); 98764c7f8cfSBen Goz 98864c7f8cfSBen Goz int pm_send_unmap_queue(struct packet_manager *pm, enum kfd_queue_type type, 9897da2bcf8SYong Zhao enum kfd_unmap_queues_filter mode, 99064c7f8cfSBen Goz uint32_t filter_param, bool reset, 99164c7f8cfSBen Goz unsigned int sdma_engine); 99264c7f8cfSBen Goz 993241f24f8SBen Goz void pm_release_ib(struct packet_manager *pm); 994241f24f8SBen Goz 995454150b1SFelix Kuehling /* Following PM funcs can be shared among VI and AI */ 996454150b1SFelix Kuehling unsigned int pm_build_pm4_header(unsigned int opcode, size_t packet_size); 997454150b1SFelix Kuehling int pm_set_resources_vi(struct packet_manager *pm, uint32_t *buffer, 998454150b1SFelix Kuehling struct scheduling_resources *res); 999454150b1SFelix Kuehling 100014328aa5SPhilip Cox 100119f6d2a6SOded Gabbay uint64_t kfd_get_number_elems(struct kfd_dev *kfd); 100219f6d2a6SOded Gabbay 1003f3a39818SAndrew Lewycky /* Events */ 1004f3a39818SAndrew Lewycky extern const struct kfd_event_interrupt_class event_interrupt_class_cik; 1005ca750681SFelix Kuehling extern const struct kfd_event_interrupt_class event_interrupt_class_v9; 1006ca750681SFelix Kuehling 1007930c5ff4SAlexey Skidanov extern const struct kfd_device_global_init_class device_global_init_class_cik; 1008f3a39818SAndrew Lewycky 1009f3a39818SAndrew Lewycky void kfd_event_init_process(struct kfd_process *p); 1010f3a39818SAndrew Lewycky void kfd_event_free_process(struct kfd_process *p); 1011f3a39818SAndrew Lewycky int kfd_event_mmap(struct kfd_process *process, struct vm_area_struct *vma); 1012f3a39818SAndrew Lewycky int kfd_wait_on_events(struct kfd_process *p, 101359d3e8beSAlexey Skidanov uint32_t num_events, void __user *data, 1014f3a39818SAndrew Lewycky bool all, uint32_t user_timeout_ms, 1015fdf0c833SFelix Kuehling uint32_t *wait_result); 1016f3a39818SAndrew Lewycky void kfd_signal_event_interrupt(unsigned int pasid, uint32_t partial_id, 1017f3a39818SAndrew Lewycky uint32_t valid_id_bits); 101859d3e8beSAlexey Skidanov void kfd_signal_iommu_event(struct kfd_dev *dev, 101959d3e8beSAlexey Skidanov unsigned int pasid, unsigned long address, 102059d3e8beSAlexey Skidanov bool is_write_requested, bool is_execute_requested); 1021930c5ff4SAlexey Skidanov void kfd_signal_hw_exception_event(unsigned int pasid); 1022f3a39818SAndrew Lewycky int kfd_set_event(struct kfd_process *p, uint32_t event_id); 1023f3a39818SAndrew Lewycky int kfd_reset_event(struct kfd_process *p, uint32_t event_id); 10240fc8011fSFelix Kuehling int kfd_event_page_set(struct kfd_process *p, void *kernel_address, 10250fc8011fSFelix Kuehling uint64_t size); 1026f3a39818SAndrew Lewycky int kfd_event_create(struct file *devkfd, struct kfd_process *p, 1027f3a39818SAndrew Lewycky uint32_t event_type, bool auto_reset, uint32_t node_id, 1028f3a39818SAndrew Lewycky uint32_t *event_id, uint32_t *event_trigger_data, 1029f3a39818SAndrew Lewycky uint64_t *event_page_offset, uint32_t *event_slot_index); 1030f3a39818SAndrew Lewycky int kfd_event_destroy(struct kfd_process *p, uint32_t event_id); 1031f3a39818SAndrew Lewycky 10322640c3faSshaoyunl void kfd_signal_vm_fault_event(struct kfd_dev *dev, unsigned int pasid, 10332640c3faSshaoyunl struct kfd_vm_fault_info *info); 10342640c3faSshaoyunl 1035e42051d2SShaoyun Liu void kfd_signal_reset_event(struct kfd_dev *dev); 1036e42051d2SShaoyun Liu 1037403575c4SFelix Kuehling void kfd_flush_tlb(struct kfd_process_device *pdd); 1038403575c4SFelix Kuehling 1039c3447e81SBen Goz int dbgdev_wave_reset_wavefronts(struct kfd_dev *dev, struct kfd_process *p); 1040c3447e81SBen Goz 1041e42051d2SShaoyun Liu bool kfd_is_locked(void); 1042e42051d2SShaoyun Liu 1043f756e631SHarish Kasiviswanathan /* Compute profile */ 1044f756e631SHarish Kasiviswanathan void kfd_inc_compute_active(struct kfd_dev *dev); 1045f756e631SHarish Kasiviswanathan void kfd_dec_compute_active(struct kfd_dev *dev); 1046f756e631SHarish Kasiviswanathan 10476b855f7bSHarish Kasiviswanathan /* Cgroup Support */ 10486b855f7bSHarish Kasiviswanathan /* Check with device cgroup if @kfd device is accessible */ 10496b855f7bSHarish Kasiviswanathan static inline int kfd_devcgroup_check_permission(struct kfd_dev *kfd) 10506b855f7bSHarish Kasiviswanathan { 10516b855f7bSHarish Kasiviswanathan #if defined(CONFIG_CGROUP_DEVICE) 10526b855f7bSHarish Kasiviswanathan struct drm_device *ddev = kfd->ddev; 10536b855f7bSHarish Kasiviswanathan 10546b855f7bSHarish Kasiviswanathan return devcgroup_check_permission(DEVCG_DEV_CHAR, ddev->driver->major, 10556b855f7bSHarish Kasiviswanathan ddev->render->index, 10566b855f7bSHarish Kasiviswanathan DEVCG_ACC_WRITE | DEVCG_ACC_READ); 10576b855f7bSHarish Kasiviswanathan #else 10586b855f7bSHarish Kasiviswanathan return 0; 10596b855f7bSHarish Kasiviswanathan #endif 10606b855f7bSHarish Kasiviswanathan } 10616b855f7bSHarish Kasiviswanathan 1062851a645eSFelix Kuehling /* Debugfs */ 1063851a645eSFelix Kuehling #if defined(CONFIG_DEBUG_FS) 1064851a645eSFelix Kuehling 1065851a645eSFelix Kuehling void kfd_debugfs_init(void); 1066851a645eSFelix Kuehling void kfd_debugfs_fini(void); 1067851a645eSFelix Kuehling int kfd_debugfs_mqds_by_process(struct seq_file *m, void *data); 1068851a645eSFelix Kuehling int pqm_debugfs_mqds(struct seq_file *m, void *data); 1069851a645eSFelix Kuehling int kfd_debugfs_hqds_by_device(struct seq_file *m, void *data); 1070851a645eSFelix Kuehling int dqm_debugfs_hqds(struct seq_file *m, void *data); 1071851a645eSFelix Kuehling int kfd_debugfs_rls_by_device(struct seq_file *m, void *data); 1072851a645eSFelix Kuehling int pm_debugfs_runlist(struct seq_file *m, void *data); 1073851a645eSFelix Kuehling 1074a29ec470SShaoyun Liu int kfd_debugfs_hang_hws(struct kfd_dev *dev); 1075a29ec470SShaoyun Liu int pm_debugfs_hang_hws(struct packet_manager *pm); 1076a29ec470SShaoyun Liu int dqm_debugfs_execute_queues(struct device_queue_manager *dqm); 1077a29ec470SShaoyun Liu 1078851a645eSFelix Kuehling #else 1079851a645eSFelix Kuehling 1080851a645eSFelix Kuehling static inline void kfd_debugfs_init(void) {} 1081851a645eSFelix Kuehling static inline void kfd_debugfs_fini(void) {} 1082851a645eSFelix Kuehling 1083851a645eSFelix Kuehling #endif 1084851a645eSFelix Kuehling 10854a488a7aSOded Gabbay #endif 1086