1d87f36a0SRajneesh Bhardwaj /* SPDX-License-Identifier: GPL-2.0 OR MIT */ 24a488a7aSOded Gabbay /* 3d87f36a0SRajneesh Bhardwaj * Copyright 2014-2022 Advanced Micro Devices, Inc. 44a488a7aSOded Gabbay * 54a488a7aSOded Gabbay * Permission is hereby granted, free of charge, to any person obtaining a 64a488a7aSOded Gabbay * copy of this software and associated documentation files (the "Software"), 74a488a7aSOded Gabbay * to deal in the Software without restriction, including without limitation 84a488a7aSOded Gabbay * the rights to use, copy, modify, merge, publish, distribute, sublicense, 94a488a7aSOded Gabbay * and/or sell copies of the Software, and to permit persons to whom the 104a488a7aSOded Gabbay * Software is furnished to do so, subject to the following conditions: 114a488a7aSOded Gabbay * 124a488a7aSOded Gabbay * The above copyright notice and this permission notice shall be included in 134a488a7aSOded Gabbay * all copies or substantial portions of the Software. 144a488a7aSOded Gabbay * 154a488a7aSOded Gabbay * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 164a488a7aSOded Gabbay * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 174a488a7aSOded Gabbay * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 184a488a7aSOded Gabbay * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 194a488a7aSOded Gabbay * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 204a488a7aSOded Gabbay * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 214a488a7aSOded Gabbay * OTHER DEALINGS IN THE SOFTWARE. 224a488a7aSOded Gabbay */ 234a488a7aSOded Gabbay 244a488a7aSOded Gabbay #ifndef KFD_PRIV_H_INCLUDED 254a488a7aSOded Gabbay #define KFD_PRIV_H_INCLUDED 264a488a7aSOded Gabbay 274a488a7aSOded Gabbay #include <linux/hashtable.h> 284a488a7aSOded Gabbay #include <linux/mmu_notifier.h> 29dc90f084SChristoph Hellwig #include <linux/memremap.h> 304a488a7aSOded Gabbay #include <linux/mutex.h> 314a488a7aSOded Gabbay #include <linux/types.h> 324a488a7aSOded Gabbay #include <linux/atomic.h> 334a488a7aSOded Gabbay #include <linux/workqueue.h> 344a488a7aSOded Gabbay #include <linux/spinlock.h> 3519f6d2a6SOded Gabbay #include <linux/kfd_ioctl.h> 36482f0777SFelix Kuehling #include <linux/idr.h> 3704ad47bdSAndres Rodriguez #include <linux/kfifo.h> 38851a645eSFelix Kuehling #include <linux/seq_file.h> 395ce10687SFelix Kuehling #include <linux/kref.h> 40de9f26bbSKent Russell #include <linux/sysfs.h> 416b855f7bSHarish Kasiviswanathan #include <linux/device_cgroup.h> 421cd4d9eeSStephen Rothwell #include <drm/drm_file.h> 431cd4d9eeSStephen Rothwell #include <drm/drm_drv.h> 441cd4d9eeSStephen Rothwell #include <drm/drm_device.h> 4599c7b309SLorenz Brun #include <drm/drm_ioctl.h> 464a488a7aSOded Gabbay #include <kgd_kfd_interface.h> 476d220a7eSAmber Lin #include <linux/swap.h> 484a488a7aSOded Gabbay 49e596b903SYong Zhao #include "amd_shared.h" 506ae27841SAlex Sierra #include "amdgpu.h" 51e596b903SYong Zhao 52af47b390SLaura Abbott #define KFD_MAX_RING_ENTRY_SIZE 8 53af47b390SLaura Abbott 545b5c4e40SEvgeny Pinchuk #define KFD_SYSFS_FILE_MODE 0444 555b5c4e40SEvgeny Pinchuk 56df03ef93SHarish Kasiviswanathan /* GPU ID hash width in bits */ 57df03ef93SHarish Kasiviswanathan #define KFD_GPU_ID_HASH_WIDTH 16 58df03ef93SHarish Kasiviswanathan 59df03ef93SHarish Kasiviswanathan /* Use upper bits of mmap offset to store KFD driver specific information. 60df03ef93SHarish Kasiviswanathan * BITS[63:62] - Encode MMAP type 61df03ef93SHarish Kasiviswanathan * BITS[61:46] - Encode gpu_id. To identify to which GPU the offset belongs to 62df03ef93SHarish Kasiviswanathan * BITS[45:0] - MMAP offset value 63df03ef93SHarish Kasiviswanathan * 64df03ef93SHarish Kasiviswanathan * NOTE: struct vm_area_struct.vm_pgoff uses offset in pages. Hence, these 65df03ef93SHarish Kasiviswanathan * defines are w.r.t to PAGE_SIZE 66df03ef93SHarish Kasiviswanathan */ 6729453755SYong Zhao #define KFD_MMAP_TYPE_SHIFT 62 68df03ef93SHarish Kasiviswanathan #define KFD_MMAP_TYPE_MASK (0x3ULL << KFD_MMAP_TYPE_SHIFT) 69df03ef93SHarish Kasiviswanathan #define KFD_MMAP_TYPE_DOORBELL (0x3ULL << KFD_MMAP_TYPE_SHIFT) 70df03ef93SHarish Kasiviswanathan #define KFD_MMAP_TYPE_EVENTS (0x2ULL << KFD_MMAP_TYPE_SHIFT) 71df03ef93SHarish Kasiviswanathan #define KFD_MMAP_TYPE_RESERVED_MEM (0x1ULL << KFD_MMAP_TYPE_SHIFT) 72d33ea570SOak Zeng #define KFD_MMAP_TYPE_MMIO (0x0ULL << KFD_MMAP_TYPE_SHIFT) 73df03ef93SHarish Kasiviswanathan 7429453755SYong Zhao #define KFD_MMAP_GPU_ID_SHIFT 46 75df03ef93SHarish Kasiviswanathan #define KFD_MMAP_GPU_ID_MASK (((1ULL << KFD_GPU_ID_HASH_WIDTH) - 1) \ 76df03ef93SHarish Kasiviswanathan << KFD_MMAP_GPU_ID_SHIFT) 77df03ef93SHarish Kasiviswanathan #define KFD_MMAP_GPU_ID(gpu_id) ((((uint64_t)gpu_id) << KFD_MMAP_GPU_ID_SHIFT)\ 78df03ef93SHarish Kasiviswanathan & KFD_MMAP_GPU_ID_MASK) 7929453755SYong Zhao #define KFD_MMAP_GET_GPU_ID(offset) ((offset & KFD_MMAP_GPU_ID_MASK) \ 80df03ef93SHarish Kasiviswanathan >> KFD_MMAP_GPU_ID_SHIFT) 81df03ef93SHarish Kasiviswanathan 82ed6e6a34SBen Goz /* 83ed6e6a34SBen Goz * When working with cp scheduler we should assign the HIQ manually or via 84e7016d8eSYong Zhao * the amdgpu driver to a fixed hqd slot, here are the fixed HIQ hqd slot 85ed6e6a34SBen Goz * definitions for Kaveri. In Kaveri only the first ME queues participates 86ed6e6a34SBen Goz * in the cp scheduling taking that in mind we set the HIQ slot in the 87ed6e6a34SBen Goz * second ME. 88ed6e6a34SBen Goz */ 89ed6e6a34SBen Goz #define KFD_CIK_HIQ_PIPE 4 90ed6e6a34SBen Goz #define KFD_CIK_HIQ_QUEUE 0 91ed6e6a34SBen Goz 925b5c4e40SEvgeny Pinchuk /* Macro for allocating structures */ 935b5c4e40SEvgeny Pinchuk #define kfd_alloc_struct(ptr_to_struct) \ 945b5c4e40SEvgeny Pinchuk ((typeof(ptr_to_struct)) kzalloc(sizeof(*ptr_to_struct), GFP_KERNEL)) 955b5c4e40SEvgeny Pinchuk 9619f6d2a6SOded Gabbay #define KFD_MAX_NUM_OF_PROCESSES 512 97b8cbab04SOded Gabbay #define KFD_MAX_NUM_OF_QUEUES_PER_PROCESS 1024 9819f6d2a6SOded Gabbay 9919f6d2a6SOded Gabbay /* 100373d7080SFelix Kuehling * Size of the per-process TBA+TMA buffer: 2 pages 101373d7080SFelix Kuehling * 102373d7080SFelix Kuehling * The first page is the TBA used for the CWSR ISA code. The second 103a4497974SRajneesh Bhardwaj * page is used as TMA for user-mode trap handler setup in daisy-chain mode. 104373d7080SFelix Kuehling */ 105373d7080SFelix Kuehling #define KFD_CWSR_TBA_TMA_SIZE (PAGE_SIZE * 2) 106373d7080SFelix Kuehling #define KFD_CWSR_TMA_OFFSET PAGE_SIZE 107373d7080SFelix Kuehling 10874523943SYong Zhao #define KFD_MAX_NUM_OF_QUEUES_PER_DEVICE \ 10974523943SYong Zhao (KFD_MAX_NUM_OF_PROCESSES * \ 11074523943SYong Zhao KFD_MAX_NUM_OF_QUEUES_PER_PROCESS) 11174523943SYong Zhao 11274523943SYong Zhao #define KFD_KERNEL_QUEUE_SIZE 2048 11374523943SYong Zhao 11414328aa5SPhilip Cox #define KFD_UNMAP_LATENCY_MS (4000) 11514328aa5SPhilip Cox 116a805889aSMukul Joshi #define KFD_MAX_SDMA_QUEUES 128 117a805889aSMukul Joshi 118373d7080SFelix Kuehling /* 1191f86805aSYong Zhao * 512 = 0x200 1201f86805aSYong Zhao * The doorbell index distance between SDMA RLC (2*i) and (2*i+1) in the 1211f86805aSYong Zhao * same SDMA engine on SOC15, which has 8-byte doorbells for SDMA. 1221f86805aSYong Zhao * 512 8-byte doorbell distance (i.e. one page away) ensures that SDMA RLC 1231f86805aSYong Zhao * (2*i+1) doorbells (in terms of the lower 12 bit address) lie exactly in 1241f86805aSYong Zhao * the OFFSET and SIZE set in registers like BIF_SDMA0_DOORBELL_RANGE. 1251f86805aSYong Zhao */ 1261f86805aSYong Zhao #define KFD_QUEUE_DOORBELL_MIRROR_OFFSET 512 1271f86805aSYong Zhao 12836988070SRajneesh Bhardwaj /** 12936988070SRajneesh Bhardwaj * enum kfd_ioctl_flags - KFD ioctl flags 13036988070SRajneesh Bhardwaj * Various flags that can be set in &amdkfd_ioctl_desc.flags to control how 13136988070SRajneesh Bhardwaj * userspace can use a given ioctl. 13236988070SRajneesh Bhardwaj */ 13336988070SRajneesh Bhardwaj enum kfd_ioctl_flags { 13436988070SRajneesh Bhardwaj /* 13536988070SRajneesh Bhardwaj * @KFD_IOC_FLAG_CHECKPOINT_RESTORE: 13636988070SRajneesh Bhardwaj * Certain KFD ioctls such as AMDKFD_IOC_CRIU_OP can potentially 13736988070SRajneesh Bhardwaj * perform privileged operations and load arbitrary data into MQDs and 13836988070SRajneesh Bhardwaj * eventually HQD registers when the queue is mapped by HWS. In order to 13936988070SRajneesh Bhardwaj * prevent this we should perform additional security checks. 14036988070SRajneesh Bhardwaj * 14136988070SRajneesh Bhardwaj * This is equivalent to callers with the CHECKPOINT_RESTORE capability. 14236988070SRajneesh Bhardwaj * 14336988070SRajneesh Bhardwaj * Note: Since earlier versions of docker do not support CHECKPOINT_RESTORE, 14436988070SRajneesh Bhardwaj * we also allow ioctls with SYS_ADMIN capability. 14536988070SRajneesh Bhardwaj */ 14636988070SRajneesh Bhardwaj KFD_IOC_FLAG_CHECKPOINT_RESTORE = BIT(0), 14736988070SRajneesh Bhardwaj }; 1481f86805aSYong Zhao /* 149b8cbab04SOded Gabbay * Kernel module parameter to specify maximum number of supported queues per 150b8cbab04SOded Gabbay * device 15119f6d2a6SOded Gabbay */ 152b8cbab04SOded Gabbay extern int max_num_of_queues_per_device; 15319f6d2a6SOded Gabbay 154ed6e6a34SBen Goz 15531c21fecSBen Goz /* Kernel module parameter to specify the scheduling policy */ 15631c21fecSBen Goz extern int sched_policy; 15731c21fecSBen Goz 158a99c6d4fSFelix Kuehling /* 159a99c6d4fSFelix Kuehling * Kernel module parameter to specify the maximum process 160a99c6d4fSFelix Kuehling * number per HW scheduler 161a99c6d4fSFelix Kuehling */ 162a99c6d4fSFelix Kuehling extern int hws_max_conc_proc; 163a99c6d4fSFelix Kuehling 164373d7080SFelix Kuehling extern int cwsr_enable; 165373d7080SFelix Kuehling 16681663016SOded Gabbay /* 16781663016SOded Gabbay * Kernel module parameter to specify whether to send sigterm to HSA process on 16881663016SOded Gabbay * unhandled exception 16981663016SOded Gabbay */ 17081663016SOded Gabbay extern int send_sigterm; 17181663016SOded Gabbay 172ebcfd1e2SFelix Kuehling /* 173374200b1SFelix Kuehling * This kernel module is used to simulate large bar machine on non-large bar 174374200b1SFelix Kuehling * enabled machines. 175374200b1SFelix Kuehling */ 176374200b1SFelix Kuehling extern int debug_largebar; 177374200b1SFelix Kuehling 178374200b1SFelix Kuehling /* 179ebcfd1e2SFelix Kuehling * Ignore CRAT table during KFD initialization, can be used to work around 180ebcfd1e2SFelix Kuehling * broken CRAT tables on some AMD systems 181ebcfd1e2SFelix Kuehling */ 182ebcfd1e2SFelix Kuehling extern int ignore_crat; 183ebcfd1e2SFelix Kuehling 184a4497974SRajneesh Bhardwaj /* Set sh_mem_config.retry_disable on GFX v9 */ 18575ee6487SFelix Kuehling extern int amdgpu_noretry; 186bed4f110SFelix Kuehling 187a4497974SRajneesh Bhardwaj /* Halt if HWS hang is detected */ 1880e9a860cSYong Zhao extern int halt_if_hws_hang; 1890e9a860cSYong Zhao 190a4497974SRajneesh Bhardwaj /* Whether MEC FW support GWS barriers */ 19129e76462SOak Zeng extern bool hws_gws_support; 19229e76462SOak Zeng 193a4497974SRajneesh Bhardwaj /* Queue preemption timeout in ms */ 19414328aa5SPhilip Cox extern int queue_preemption_timeout_ms; 19514328aa5SPhilip Cox 1966d909c5dSOak Zeng /* 1976d909c5dSOak Zeng * Don't evict process queues on vm fault 1986d909c5dSOak Zeng */ 1996d909c5dSOak Zeng extern int amdgpu_no_queue_eviction_on_vm_fault; 2006d909c5dSOak Zeng 201a4497974SRajneesh Bhardwaj /* Enable eviction debug messages */ 202b2057956SFelix Kuehling extern bool debug_evictions; 203b2057956SFelix Kuehling 204fe1f05dfSMukul Joshi extern struct mutex kfd_processes_mutex; 205fe1f05dfSMukul Joshi 206ed6e6a34SBen Goz enum cache_policy { 207ed6e6a34SBen Goz cache_policy_coherent, 208ed6e6a34SBen Goz cache_policy_noncoherent 209ed6e6a34SBen Goz }; 210ed6e6a34SBen Goz 211dd0ae064SGraham Sider #define KFD_GC_VERSION(dev) ((dev)->adev->ip_versions[GC_HWIP][0]) 212dd0ae064SGraham Sider #define KFD_IS_SOC15(dev) ((KFD_GC_VERSION(dev)) >= (IP_VERSION(9, 0, 1))) 21324294e7bSPhilip Yang #define KFD_SUPPORT_XNACK_PER_PROCESS(dev)\ 214cebbfdd5SAmber Lin ((KFD_GC_VERSION(dev) == IP_VERSION(9, 4, 2)) || \ 215cebbfdd5SAmber Lin (KFD_GC_VERSION(dev) == IP_VERSION(9, 4, 3))) 216ef568db7SFelix Kuehling 2178dc1db31SMukul Joshi struct kfd_node; 2188dc1db31SMukul Joshi 219f3a39818SAndrew Lewycky struct kfd_event_interrupt_class { 2208dc1db31SMukul Joshi bool (*interrupt_isr)(struct kfd_node *dev, 22158e69886SLan Xiao const uint32_t *ih_ring_entry, uint32_t *patched_ihre, 22258e69886SLan Xiao bool *patched_flag); 2238dc1db31SMukul Joshi void (*interrupt_wq)(struct kfd_node *dev, 224f3a39818SAndrew Lewycky const uint32_t *ih_ring_entry); 225f3a39818SAndrew Lewycky }; 226f3a39818SAndrew Lewycky 2274a488a7aSOded Gabbay struct kfd_device_info { 2289d6fa9c7SGraham Sider uint32_t gfx_target_version; 229f3a39818SAndrew Lewycky const struct kfd_event_interrupt_class *event_interrupt_class; 2304a488a7aSOded Gabbay unsigned int max_pasid_bits; 231992839adSYair Shachar unsigned int max_no_of_hqd; 232ada2b29cSFelix Kuehling unsigned int doorbell_size; 2334a488a7aSOded Gabbay size_t ih_ring_entry_size; 234f7c826adSAlexey Skidanov uint8_t num_of_watch_points; 23519f6d2a6SOded Gabbay uint16_t mqd_size_aligned; 236373d7080SFelix Kuehling bool supports_cwsr; 23764d1c3a4SFelix Kuehling bool needs_iommu_device; 2383ee2d00cSFelix Kuehling bool needs_pci_atomics; 239fb932dfeSFelix Kuehling uint32_t no_atomic_fw_version; 240d5094189SShaoyun Liu unsigned int num_sdma_queues_per_engine; 241cc009e61SMukul Joshi unsigned int num_reserved_sdma_queues_per_engine; 242cc009e61SMukul Joshi uint64_t reserved_sdma_queues_bitmap; 2434a488a7aSOded Gabbay }; 2444a488a7aSOded Gabbay 2458dc1db31SMukul Joshi unsigned int kfd_get_num_sdma_engines(struct kfd_node *kdev); 2468dc1db31SMukul Joshi unsigned int kfd_get_num_xgmi_sdma_engines(struct kfd_node *kdev); 247ee2f17f4SAmber Lin 24836b5c08fSOded Gabbay struct kfd_mem_obj { 24936b5c08fSOded Gabbay uint32_t range_start; 25036b5c08fSOded Gabbay uint32_t range_end; 25136b5c08fSOded Gabbay uint64_t gpu_addr; 25236b5c08fSOded Gabbay uint32_t *cpu_ptr; 253b91d43ddSFelix Kuehling void *gtt_mem; 25436b5c08fSOded Gabbay }; 25536b5c08fSOded Gabbay 25644008d7aSYong Zhao struct kfd_vmid_info { 25744008d7aSYong Zhao uint32_t first_vmid_kfd; 25844008d7aSYong Zhao uint32_t last_vmid_kfd; 25944008d7aSYong Zhao uint32_t vmid_num_kfd; 26044008d7aSYong Zhao }; 26144008d7aSYong Zhao 26274c5b85dSMukul Joshi #define MAX_KFD_NODES 8 26374c5b85dSMukul Joshi 2648dc1db31SMukul Joshi struct kfd_dev; 2658dc1db31SMukul Joshi 2668dc1db31SMukul Joshi struct kfd_node { 267a805889aSMukul Joshi unsigned int node_id; 2688dc1db31SMukul Joshi struct amdgpu_device *adev; /* Duplicated here along with keeping 2698dc1db31SMukul Joshi * a copy in kfd_dev to save a hop 2708dc1db31SMukul Joshi */ 2718dc1db31SMukul Joshi const struct kfd2kgd_calls *kfd2kgd; /* Duplicated here along with 2728dc1db31SMukul Joshi * keeping a copy in kfd_dev to 2738dc1db31SMukul Joshi * save a hop 2748dc1db31SMukul Joshi */ 2758dc1db31SMukul Joshi struct kfd_vmid_info vm_info; 2768dc1db31SMukul Joshi unsigned int id; /* topology stub index */ 27774c5b85dSMukul Joshi unsigned int num_xcc_per_node; 27874c5b85dSMukul Joshi unsigned int start_xcc_id; /* Starting XCC instance 27974c5b85dSMukul Joshi * number for the node 28074c5b85dSMukul Joshi */ 2818dc1db31SMukul Joshi /* Interrupts */ 2828dc1db31SMukul Joshi struct kfifo ih_fifo; 2838dc1db31SMukul Joshi struct workqueue_struct *ih_wq; 2848dc1db31SMukul Joshi struct work_struct interrupt_work; 2858dc1db31SMukul Joshi spinlock_t interrupt_lock; 2868dc1db31SMukul Joshi 2878dc1db31SMukul Joshi /* 2888dc1db31SMukul Joshi * Interrupts of interest to KFD are copied 2898dc1db31SMukul Joshi * from the HW ring into a SW ring. 2908dc1db31SMukul Joshi */ 2918dc1db31SMukul Joshi bool interrupts_active; 292*5fb34bd9SAlex Sierra uint32_t interrupt_bitmap; /* Only used for GFX 9.4.3 */ 2938dc1db31SMukul Joshi 2948dc1db31SMukul Joshi /* QCM Device instance */ 2958dc1db31SMukul Joshi struct device_queue_manager *dqm; 2968dc1db31SMukul Joshi 2978dc1db31SMukul Joshi /* Global GWS resource shared between processes */ 2988dc1db31SMukul Joshi void *gws; 2998dc1db31SMukul Joshi bool gws_debug_workaround; 3008dc1db31SMukul Joshi 3018dc1db31SMukul Joshi /* Clients watching SMI events */ 3028dc1db31SMukul Joshi struct list_head smi_clients; 3038dc1db31SMukul Joshi spinlock_t smi_lock; 3048dc1db31SMukul Joshi uint32_t reset_seq_num; 3058dc1db31SMukul Joshi 3068dc1db31SMukul Joshi /* SRAM ECC flag */ 3078dc1db31SMukul Joshi atomic_t sram_ecc_flag; 3088dc1db31SMukul Joshi 3098dc1db31SMukul Joshi /*spm process id */ 3108dc1db31SMukul Joshi unsigned int spm_pasid; 3118dc1db31SMukul Joshi 3128dc1db31SMukul Joshi /* Maximum process number mapped to HW scheduler */ 3138dc1db31SMukul Joshi unsigned int max_proc_per_quantum; 3148dc1db31SMukul Joshi 31574c5b85dSMukul Joshi unsigned int compute_vmid_bitmap; 31674c5b85dSMukul Joshi 3178dc1db31SMukul Joshi struct kfd_dev *kfd; 3188dc1db31SMukul Joshi }; 3198dc1db31SMukul Joshi 3204a488a7aSOded Gabbay struct kfd_dev { 321c6c57446SGraham Sider struct amdgpu_device *adev; 3224a488a7aSOded Gabbay 323f0dc99a6SGraham Sider struct kfd_device_info device_info; 3244a488a7aSOded Gabbay 32519f6d2a6SOded Gabbay phys_addr_t doorbell_base; /* Start of actual doorbells used by 32619f6d2a6SOded Gabbay * KFD. It is aligned for mapping 32719f6d2a6SOded Gabbay * into user mode 32819f6d2a6SOded Gabbay */ 329339903faSYong Zhao size_t doorbell_base_dw_offset; /* Offset from the start of the PCI 330339903faSYong Zhao * doorbell BAR to the first KFD 331339903faSYong Zhao * doorbell in dwords. GFX reserves 332339903faSYong Zhao * the segment before this offset. 33319f6d2a6SOded Gabbay */ 33419f6d2a6SOded Gabbay u32 __iomem *doorbell_kernel_ptr; /* This is a pointer for a doorbells 33519f6d2a6SOded Gabbay * page used by kernel queue 33619f6d2a6SOded Gabbay */ 33719f6d2a6SOded Gabbay 3384a488a7aSOded Gabbay struct kgd2kfd_shared_resources shared_resources; 339b179fc28SMukul Joshi struct kfd_local_mem_info local_mem_info; 3404a488a7aSOded Gabbay 341cea405b1SXihan Zhang const struct kfd2kgd_calls *kfd2kgd; 342cea405b1SXihan Zhang struct mutex doorbell_mutex; 343f761d8bdSJoe Perches DECLARE_BITMAP(doorbell_available_index, 344f761d8bdSJoe Perches KFD_MAX_NUM_OF_QUEUES_PER_PROCESS); 345cea405b1SXihan Zhang 34636b5c08fSOded Gabbay void *gtt_mem; 34736b5c08fSOded Gabbay uint64_t gtt_start_gpu_addr; 34836b5c08fSOded Gabbay void *gtt_start_cpu_ptr; 34936b5c08fSOded Gabbay void *gtt_sa_bitmap; 35036b5c08fSOded Gabbay struct mutex gtt_sa_lock; 35136b5c08fSOded Gabbay unsigned int gtt_sa_chunk_size; 35236b5c08fSOded Gabbay unsigned int gtt_sa_num_of_chunks; 35336b5c08fSOded Gabbay 354ed6e6a34SBen Goz bool init_complete; 355fbeb661bSYair Shachar 3565ade6c9cSFelix Kuehling /* Firmware versions */ 3575ade6c9cSFelix Kuehling uint16_t mec_fw_version; 35829633d0eSJoseph Greathouse uint16_t mec2_fw_version; 3595ade6c9cSFelix Kuehling uint16_t sdma_fw_version; 3605ade6c9cSFelix Kuehling 361373d7080SFelix Kuehling /* CWSR */ 362373d7080SFelix Kuehling bool cwsr_enabled; 363373d7080SFelix Kuehling const void *cwsr_isa; 364373d7080SFelix Kuehling unsigned int cwsr_isa_size; 3650c1690e3SShaoyun Liu 3660c1690e3SShaoyun Liu /* xGMI */ 3670c1690e3SShaoyun Liu uint64_t hive_id; 3680c663695SDivya Shikre 369d35f00d8SEric Huang bool pci_atomic_requested; 3709b54d201SEric Huang 3716127896fSHuang Rui /* Use IOMMU v2 flag */ 3726127896fSHuang Rui bool use_iommu_v2; 3736127896fSHuang Rui 374f756e631SHarish Kasiviswanathan /* Compute Profile ref. count */ 375f756e631SHarish Kasiviswanathan atomic_t compute_profile; 376e09d4fc8SOak Zeng 37759d7115dSMukul Joshi struct ida doorbell_ida; 37859d7115dSMukul Joshi unsigned int max_doorbell_slices; 3799b498efaSAlex Deucher 3809b498efaSAlex Deucher int noretry; 381814ab993SPhilip Yang 382814ab993SPhilip Yang /* HMM page migration MEMORY_DEVICE_PRIVATE mapping */ 383814ab993SPhilip Yang struct dev_pagemap pgmap; 3848dc1db31SMukul Joshi 38574c5b85dSMukul Joshi struct kfd_node *nodes[MAX_KFD_NODES]; 38674c5b85dSMukul Joshi unsigned int num_nodes; 3874a488a7aSOded Gabbay }; 3884a488a7aSOded Gabbay 38919f6d2a6SOded Gabbay enum kfd_mempool { 39019f6d2a6SOded Gabbay KFD_MEMPOOL_SYSTEM_CACHEABLE = 1, 39119f6d2a6SOded Gabbay KFD_MEMPOOL_SYSTEM_WRITECOMBINE = 2, 39219f6d2a6SOded Gabbay KFD_MEMPOOL_FRAMEBUFFER = 3, 39319f6d2a6SOded Gabbay }; 39419f6d2a6SOded Gabbay 3954a488a7aSOded Gabbay /* Character device interface */ 3964a488a7aSOded Gabbay int kfd_chardev_init(void); 3974a488a7aSOded Gabbay void kfd_chardev_exit(void); 3984a488a7aSOded Gabbay 399241f24f8SBen Goz /** 400a4497974SRajneesh Bhardwaj * enum kfd_unmap_queues_filter - Enum for queue filters. 401241f24f8SBen Goz * 4027da2bcf8SYong Zhao * @KFD_UNMAP_QUEUES_FILTER_ALL_QUEUES: Preempts all queues in the 403241f24f8SBen Goz * running queues list. 404241f24f8SBen Goz * 405d2cb0b21SJonathan Kim * @KFD_UNMAP_QUEUES_FILTER_DYNAMIC_QUEUES: Preempts all non-static queues 406d2cb0b21SJonathan Kim * in the run list. 407d2cb0b21SJonathan Kim * 4087da2bcf8SYong Zhao * @KFD_UNMAP_QUEUES_FILTER_BY_PASID: Preempts queues that belongs to 409241f24f8SBen Goz * specific process. 410241f24f8SBen Goz * 411241f24f8SBen Goz */ 4127da2bcf8SYong Zhao enum kfd_unmap_queues_filter { 413d2cb0b21SJonathan Kim KFD_UNMAP_QUEUES_FILTER_ALL_QUEUES = 1, 414d2cb0b21SJonathan Kim KFD_UNMAP_QUEUES_FILTER_DYNAMIC_QUEUES = 2, 415d2cb0b21SJonathan Kim KFD_UNMAP_QUEUES_FILTER_BY_PASID = 3 416241f24f8SBen Goz }; 41719f6d2a6SOded Gabbay 418ed8aab45SBen Goz /** 419a4497974SRajneesh Bhardwaj * enum kfd_queue_type - Enum for various queue types. 420ed8aab45SBen Goz * 421ed8aab45SBen Goz * @KFD_QUEUE_TYPE_COMPUTE: Regular user mode queue type. 422ed8aab45SBen Goz * 423a4497974SRajneesh Bhardwaj * @KFD_QUEUE_TYPE_SDMA: SDMA user mode queue type. 424ed8aab45SBen Goz * 425ed8aab45SBen Goz * @KFD_QUEUE_TYPE_HIQ: HIQ queue type. 426ed8aab45SBen Goz * 427ed8aab45SBen Goz * @KFD_QUEUE_TYPE_DIQ: DIQ queue type. 428a4497974SRajneesh Bhardwaj * 429a4497974SRajneesh Bhardwaj * @KFD_QUEUE_TYPE_SDMA_XGMI: Special SDMA queue for XGMI interface. 430ed8aab45SBen Goz */ 431ed8aab45SBen Goz enum kfd_queue_type { 432ed8aab45SBen Goz KFD_QUEUE_TYPE_COMPUTE, 433ed8aab45SBen Goz KFD_QUEUE_TYPE_SDMA, 434ed8aab45SBen Goz KFD_QUEUE_TYPE_HIQ, 4351b4670f6SOak Zeng KFD_QUEUE_TYPE_DIQ, 4361b4670f6SOak Zeng KFD_QUEUE_TYPE_SDMA_XGMI 437ed8aab45SBen Goz }; 438ed8aab45SBen Goz 4396e99df57SBen Goz enum kfd_queue_format { 4406e99df57SBen Goz KFD_QUEUE_FORMAT_PM4, 4416e99df57SBen Goz KFD_QUEUE_FORMAT_AQL 4426e99df57SBen Goz }; 4436e99df57SBen Goz 4440ccbc7cdSOak Zeng enum KFD_QUEUE_PRIORITY { 4450ccbc7cdSOak Zeng KFD_QUEUE_PRIORITY_MINIMUM = 0, 4460ccbc7cdSOak Zeng KFD_QUEUE_PRIORITY_MAXIMUM = 15 4470ccbc7cdSOak Zeng }; 4480ccbc7cdSOak Zeng 449ed8aab45SBen Goz /** 450ed8aab45SBen Goz * struct queue_properties 451ed8aab45SBen Goz * 452ed8aab45SBen Goz * @type: The queue type. 453ed8aab45SBen Goz * 454ed8aab45SBen Goz * @queue_id: Queue identifier. 455ed8aab45SBen Goz * 456ed8aab45SBen Goz * @queue_address: Queue ring buffer address. 457ed8aab45SBen Goz * 458ed8aab45SBen Goz * @queue_size: Queue ring buffer size. 459ed8aab45SBen Goz * 460ed8aab45SBen Goz * @priority: Defines the queue priority relative to other queues in the 461ed8aab45SBen Goz * process. 462ed8aab45SBen Goz * This is just an indication and HW scheduling may override the priority as 463ed8aab45SBen Goz * necessary while keeping the relative prioritization. 464ed8aab45SBen Goz * the priority granularity is from 0 to f which f is the highest priority. 465ed8aab45SBen Goz * currently all queues are initialized with the highest priority. 466ed8aab45SBen Goz * 467ed8aab45SBen Goz * @queue_percent: This field is partially implemented and currently a zero in 468ed8aab45SBen Goz * this field defines that the queue is non active. 469ed8aab45SBen Goz * 470ed8aab45SBen Goz * @read_ptr: User space address which points to the number of dwords the 471ed8aab45SBen Goz * cp read from the ring buffer. This field updates automatically by the H/W. 472ed8aab45SBen Goz * 473ed8aab45SBen Goz * @write_ptr: Defines the number of dwords written to the ring buffer. 474ed8aab45SBen Goz * 475a4497974SRajneesh Bhardwaj * @doorbell_ptr: Notifies the H/W of new packet written to the queue ring 476a4497974SRajneesh Bhardwaj * buffer. This field should be similar to write_ptr and the user should 477a4497974SRajneesh Bhardwaj * update this field after updating the write_ptr. 478ed8aab45SBen Goz * 479ed8aab45SBen Goz * @doorbell_off: The doorbell offset in the doorbell pci-bar. 480ed8aab45SBen Goz * 4818eabaf54SKent Russell * @is_interop: Defines if this is a interop queue. Interop queue means that 4828eabaf54SKent Russell * the queue can access both graphics and compute resources. 483ed8aab45SBen Goz * 48426103436SFelix Kuehling * @is_evicted: Defines if the queue is evicted. Only active queues 48526103436SFelix Kuehling * are evicted, rendering them inactive. 48626103436SFelix Kuehling * 48726103436SFelix Kuehling * @is_active: Defines if the queue is active or not. @is_active and 48826103436SFelix Kuehling * @is_evicted are protected by the DQM lock. 489ed8aab45SBen Goz * 490b8020b03SJoseph Greathouse * @is_gws: Defines if the queue has been updated to be GWS-capable or not. 491b8020b03SJoseph Greathouse * @is_gws should be protected by the DQM lock, since changing it can yield the 492b8020b03SJoseph Greathouse * possibility of updating DQM state on number of GWS queues. 493b8020b03SJoseph Greathouse * 494ed8aab45SBen Goz * @vmid: If the scheduling mode is no cp scheduling the field defines the vmid 495ed8aab45SBen Goz * of the queue. 496ed8aab45SBen Goz * 497ed8aab45SBen Goz * This structure represents the queue properties for each queue no matter if 498ed8aab45SBen Goz * it's user mode or kernel mode queue. 499ed8aab45SBen Goz * 500ed8aab45SBen Goz */ 5018668dfc3SDavid Yat Sin 502ed8aab45SBen Goz struct queue_properties { 503ed8aab45SBen Goz enum kfd_queue_type type; 5046e99df57SBen Goz enum kfd_queue_format format; 505ed8aab45SBen Goz unsigned int queue_id; 506ed8aab45SBen Goz uint64_t queue_address; 507ed8aab45SBen Goz uint64_t queue_size; 508ed8aab45SBen Goz uint32_t priority; 509ed8aab45SBen Goz uint32_t queue_percent; 510ed8aab45SBen Goz uint32_t *read_ptr; 511ed8aab45SBen Goz uint32_t *write_ptr; 512ada2b29cSFelix Kuehling void __iomem *doorbell_ptr; 513ed8aab45SBen Goz uint32_t doorbell_off; 514ed8aab45SBen Goz bool is_interop; 51526103436SFelix Kuehling bool is_evicted; 516ed8aab45SBen Goz bool is_active; 517b8020b03SJoseph Greathouse bool is_gws; 5183c8bdb51SMukul Joshi uint32_t pm4_target_xcc; 519ed8aab45SBen Goz /* Not relevant for user mode queues in cp scheduling */ 520ed8aab45SBen Goz unsigned int vmid; 52177669eb8SBen Goz /* Relevant only for sdma queues*/ 52277669eb8SBen Goz uint32_t sdma_engine_id; 52377669eb8SBen Goz uint32_t sdma_queue_id; 52477669eb8SBen Goz uint32_t sdma_vm_addr; 525ff3d04a1SBen Goz /* Relevant only for VI */ 526ff3d04a1SBen Goz uint64_t eop_ring_buffer_address; 527ff3d04a1SBen Goz uint32_t eop_ring_buffer_size; 528ff3d04a1SBen Goz uint64_t ctx_save_restore_area_address; 529ff3d04a1SBen Goz uint32_t ctx_save_restore_area_size; 530373d7080SFelix Kuehling uint32_t ctl_stack_size; 531373d7080SFelix Kuehling uint64_t tba_addr; 532373d7080SFelix Kuehling uint64_t tma_addr; 533ed8aab45SBen Goz }; 534ed8aab45SBen Goz 535bb2d2128SFelix Kuehling #define QUEUE_IS_ACTIVE(q) ((q).queue_size > 0 && \ 536bb2d2128SFelix Kuehling (q).queue_address != 0 && \ 537bb2d2128SFelix Kuehling (q).queue_percent > 0 && \ 538bb2d2128SFelix Kuehling !(q).is_evicted) 539bb2d2128SFelix Kuehling 5407c695a2cSLang Yu enum mqd_update_flag { 5417c695a2cSLang Yu UPDATE_FLAG_CU_MASK = 0, 5427c695a2cSLang Yu }; 5437c695a2cSLang Yu 5447c695a2cSLang Yu struct mqd_update_info { 5457c695a2cSLang Yu union { 5467c695a2cSLang Yu struct { 5477c695a2cSLang Yu uint32_t count; /* Must be a multiple of 32 */ 5487c695a2cSLang Yu uint32_t *ptr; 5497c695a2cSLang Yu } cu_mask; 5507c695a2cSLang Yu }; 5517c695a2cSLang Yu enum mqd_update_flag update_flag; 5527c695a2cSLang Yu }; 553c6e559ebSLang Yu 554ed8aab45SBen Goz /** 555ed8aab45SBen Goz * struct queue 556ed8aab45SBen Goz * 557ed8aab45SBen Goz * @list: Queue linked list. 558ed8aab45SBen Goz * 559a4497974SRajneesh Bhardwaj * @mqd: The queue MQD (memory queue descriptor). 560ed8aab45SBen Goz * 561ed8aab45SBen Goz * @mqd_mem_obj: The MQD local gpu memory object. 562ed8aab45SBen Goz * 563ed8aab45SBen Goz * @gart_mqd_addr: The MQD gart mc address. 564ed8aab45SBen Goz * 565ed8aab45SBen Goz * @properties: The queue properties. 566ed8aab45SBen Goz * 567ed8aab45SBen Goz * @mec: Used only in no cp scheduling mode and identifies to micro engine id 568a4497974SRajneesh Bhardwaj * that the queue should be executed on. 569ed8aab45SBen Goz * 5708eabaf54SKent Russell * @pipe: Used only in no cp scheduling mode and identifies the queue's pipe 5718eabaf54SKent Russell * id. 572ed8aab45SBen Goz * 573ed8aab45SBen Goz * @queue: Used only in no cp scheduliong mode and identifies the queue's slot. 574ed8aab45SBen Goz * 575ed8aab45SBen Goz * @process: The kfd process that created this queue. 576ed8aab45SBen Goz * 577ed8aab45SBen Goz * @device: The kfd device that created this queue. 578ed8aab45SBen Goz * 579eb82da1dSOak Zeng * @gws: Pointing to gws kgd_mem if this is a gws control queue; NULL 580eb82da1dSOak Zeng * otherwise. 581eb82da1dSOak Zeng * 582ed8aab45SBen Goz * This structure represents user mode compute queues. 583ed8aab45SBen Goz * It contains all the necessary data to handle such queues. 584ed8aab45SBen Goz * 585ed8aab45SBen Goz */ 586ed8aab45SBen Goz 587ed8aab45SBen Goz struct queue { 588ed8aab45SBen Goz struct list_head list; 589ed8aab45SBen Goz void *mqd; 590ed8aab45SBen Goz struct kfd_mem_obj *mqd_mem_obj; 591ed8aab45SBen Goz uint64_t gart_mqd_addr; 592ed8aab45SBen Goz struct queue_properties properties; 593ed8aab45SBen Goz 594ed8aab45SBen Goz uint32_t mec; 595ed8aab45SBen Goz uint32_t pipe; 596ed8aab45SBen Goz uint32_t queue; 597ed8aab45SBen Goz 59877669eb8SBen Goz unsigned int sdma_id; 599ef568db7SFelix Kuehling unsigned int doorbell_id; 60077669eb8SBen Goz 601ed8aab45SBen Goz struct kfd_process *process; 6028dc1db31SMukul Joshi struct kfd_node *device; 603eb82da1dSOak Zeng void *gws; 6046d220a7eSAmber Lin 6056d220a7eSAmber Lin /* procfs */ 6066d220a7eSAmber Lin struct kobject kobj; 607cc009e61SMukul Joshi 608cc009e61SMukul Joshi void *gang_ctx_bo; 609cc009e61SMukul Joshi uint64_t gang_ctx_gpu_addr; 610cc009e61SMukul Joshi void *gang_ctx_cpu_ptr; 611e77a541fSGraham Sider 612e77a541fSGraham Sider struct amdgpu_bo *wptr_bo; 613ed8aab45SBen Goz }; 614ed8aab45SBen Goz 6156e99df57SBen Goz enum KFD_MQD_TYPE { 616d7c0b047SYong Zhao KFD_MQD_TYPE_HIQ = 0, /* for hiq */ 61785d258f9SBen Goz KFD_MQD_TYPE_CP, /* for cp queues and diq */ 61885d258f9SBen Goz KFD_MQD_TYPE_SDMA, /* for sdma queues */ 61959f650a0SOak Zeng KFD_MQD_TYPE_DIQ, /* for diq */ 6206e99df57SBen Goz KFD_MQD_TYPE_MAX 6216e99df57SBen Goz }; 6226e99df57SBen Goz 6230ccbc7cdSOak Zeng enum KFD_PIPE_PRIORITY { 6240ccbc7cdSOak Zeng KFD_PIPE_PRIORITY_CS_LOW = 0, 6250ccbc7cdSOak Zeng KFD_PIPE_PRIORITY_CS_MEDIUM, 6260ccbc7cdSOak Zeng KFD_PIPE_PRIORITY_CS_HIGH 6270ccbc7cdSOak Zeng }; 6280ccbc7cdSOak Zeng 629241f24f8SBen Goz struct scheduling_resources { 630241f24f8SBen Goz unsigned int vmid_mask; 631241f24f8SBen Goz enum kfd_queue_type type; 632241f24f8SBen Goz uint64_t queue_mask; 633241f24f8SBen Goz uint64_t gws_mask; 634241f24f8SBen Goz uint32_t oac_mask; 635241f24f8SBen Goz uint32_t gds_heap_base; 636241f24f8SBen Goz uint32_t gds_heap_size; 637241f24f8SBen Goz }; 638241f24f8SBen Goz 639241f24f8SBen Goz struct process_queue_manager { 640241f24f8SBen Goz /* data */ 641241f24f8SBen Goz struct kfd_process *process; 642241f24f8SBen Goz struct list_head queues; 643241f24f8SBen Goz unsigned long *queue_slot_bitmap; 644241f24f8SBen Goz }; 645241f24f8SBen Goz 646241f24f8SBen Goz struct qcm_process_device { 647241f24f8SBen Goz /* The Device Queue Manager that owns this data */ 648241f24f8SBen Goz struct device_queue_manager *dqm; 649241f24f8SBen Goz struct process_queue_manager *pqm; 650241f24f8SBen Goz /* Queues list */ 651241f24f8SBen Goz struct list_head queues_list; 652241f24f8SBen Goz struct list_head priv_queue_list; 653241f24f8SBen Goz 654241f24f8SBen Goz unsigned int queue_count; 655241f24f8SBen Goz unsigned int vmid; 656241f24f8SBen Goz bool is_debug; 65726103436SFelix Kuehling unsigned int evicted; /* eviction counter, 0=active */ 6589fd3f1bfSFelix Kuehling 6599fd3f1bfSFelix Kuehling /* This flag tells if we should reset all wavefronts on 6609fd3f1bfSFelix Kuehling * process termination 6619fd3f1bfSFelix Kuehling */ 6629fd3f1bfSFelix Kuehling bool reset_wavefronts; 6639fd3f1bfSFelix Kuehling 664b8020b03SJoseph Greathouse /* This flag tells us if this process has a GWS-capable 665b8020b03SJoseph Greathouse * queue that will be mapped into the runlist. It's 666b8020b03SJoseph Greathouse * possible to request a GWS BO, but not have the queue 667b8020b03SJoseph Greathouse * currently mapped, and this changes how the MAP_PROCESS 668b8020b03SJoseph Greathouse * PM4 packet is configured. 669b8020b03SJoseph Greathouse */ 670b8020b03SJoseph Greathouse bool mapped_gws_queue; 671b8020b03SJoseph Greathouse 672a4497974SRajneesh Bhardwaj /* All the memory management data should be here too */ 673241f24f8SBen Goz uint64_t gds_context_area; 674435e2f97SYong Zhao /* Contains page table flags such as AMDGPU_PTE_VALID since gfx9 */ 675e715c6d0SShaoyun Liu uint64_t page_table_base; 676241f24f8SBen Goz uint32_t sh_mem_config; 677241f24f8SBen Goz uint32_t sh_mem_bases; 678241f24f8SBen Goz uint32_t sh_mem_ape1_base; 679241f24f8SBen Goz uint32_t sh_mem_ape1_limit; 680241f24f8SBen Goz uint32_t gds_size; 681241f24f8SBen Goz uint32_t num_gws; 682241f24f8SBen Goz uint32_t num_oac; 6836a1c9510SMoses Reuben uint32_t sh_hidden_private_base; 684373d7080SFelix Kuehling 685373d7080SFelix Kuehling /* CWSR memory */ 68668df0f19SLang Yu struct kgd_mem *cwsr_mem; 687373d7080SFelix Kuehling void *cwsr_kaddr; 688d01994c2SFelix Kuehling uint64_t cwsr_base; 689373d7080SFelix Kuehling uint64_t tba_addr; 690373d7080SFelix Kuehling uint64_t tma_addr; 691d01994c2SFelix Kuehling 692d01994c2SFelix Kuehling /* IB memory */ 69368df0f19SLang Yu struct kgd_mem *ib_mem; 694d01994c2SFelix Kuehling uint64_t ib_base; 695552764b6SFelix Kuehling void *ib_kaddr; 696ef568db7SFelix Kuehling 697ef568db7SFelix Kuehling /* doorbell resources per process per device */ 698ef568db7SFelix Kuehling unsigned long *doorbell_bitmap; 699241f24f8SBen Goz }; 700241f24f8SBen Goz 70126103436SFelix Kuehling /* KFD Memory Eviction */ 70226103436SFelix Kuehling 70326103436SFelix Kuehling /* Approx. wait time before attempting to restore evicted BOs */ 70426103436SFelix Kuehling #define PROCESS_RESTORE_TIME_MS 100 70526103436SFelix Kuehling /* Approx. back off time if restore fails due to lack of memory */ 70626103436SFelix Kuehling #define PROCESS_BACK_OFF_TIME_MS 100 70726103436SFelix Kuehling /* Approx. time before evicting the process again */ 70826103436SFelix Kuehling #define PROCESS_ACTIVE_TIME_MS 10 70926103436SFelix Kuehling 7105ec7e028SFelix Kuehling /* 8 byte handle containing GPU ID in the most significant 4 bytes and 7115ec7e028SFelix Kuehling * idr_handle in the least significant 4 bytes 7125ec7e028SFelix Kuehling */ 7135ec7e028SFelix Kuehling #define MAKE_HANDLE(gpu_id, idr_handle) \ 7145ec7e028SFelix Kuehling (((uint64_t)(gpu_id) << 32) + idr_handle) 7155ec7e028SFelix Kuehling #define GET_GPU_ID(handle) (handle >> 32) 7165ec7e028SFelix Kuehling #define GET_IDR_HANDLE(handle) (handle & 0xFFFFFFFF) 7175ec7e028SFelix Kuehling 718733fa1f7SYong Zhao enum kfd_pdd_bound { 719733fa1f7SYong Zhao PDD_UNBOUND = 0, 720733fa1f7SYong Zhao PDD_BOUND, 721733fa1f7SYong Zhao PDD_BOUND_SUSPENDED, 722733fa1f7SYong Zhao }; 723733fa1f7SYong Zhao 7244327bed2SPhilip Cox #define MAX_SYSFS_FILENAME_LEN 15 72532cb59f3SMukul Joshi 72632cb59f3SMukul Joshi /* 72732cb59f3SMukul Joshi * SDMA counter runs at 100MHz frequency. 72832cb59f3SMukul Joshi * We display SDMA activity in microsecond granularity in sysfs. 72932cb59f3SMukul Joshi * As a result, the divisor is 100. 73032cb59f3SMukul Joshi */ 73132cb59f3SMukul Joshi #define SDMA_ACTIVITY_DIVISOR 100 732d4566deeSMukul Joshi 73319f6d2a6SOded Gabbay /* Data that is per-process-per device. */ 73419f6d2a6SOded Gabbay struct kfd_process_device { 73519f6d2a6SOded Gabbay /* The device that owns this data. */ 7368dc1db31SMukul Joshi struct kfd_node *dev; 73719f6d2a6SOded Gabbay 7389fd3f1bfSFelix Kuehling /* The process that owns this kfd_process_device. */ 7399fd3f1bfSFelix Kuehling struct kfd_process *process; 74019f6d2a6SOded Gabbay 74145102048SBen Goz /* per-process-per device QCM data structure */ 74245102048SBen Goz struct qcm_process_device qpd; 74345102048SBen Goz 74419f6d2a6SOded Gabbay /*Apertures*/ 74519f6d2a6SOded Gabbay uint64_t lds_base; 74619f6d2a6SOded Gabbay uint64_t lds_limit; 74719f6d2a6SOded Gabbay uint64_t gpuvm_base; 74819f6d2a6SOded Gabbay uint64_t gpuvm_limit; 74919f6d2a6SOded Gabbay uint64_t scratch_base; 75019f6d2a6SOded Gabbay uint64_t scratch_limit; 75119f6d2a6SOded Gabbay 752403575c4SFelix Kuehling /* VM context for GPUVM allocations */ 753b84394e2SFelix Kuehling struct file *drm_file; 754b40a6ab2SFelix Kuehling void *drm_priv; 7558fde0248SPhilip Yang atomic64_t tlb_seq; 756403575c4SFelix Kuehling 75752b29d73SFelix Kuehling /* GPUVM allocations storage */ 75852b29d73SFelix Kuehling struct idr alloc_idr; 75952b29d73SFelix Kuehling 7609fd3f1bfSFelix Kuehling /* Flag used to tell the pdd has dequeued from the dqm. 7619fd3f1bfSFelix Kuehling * This is used to prevent dev->dqm->ops.process_termination() from 7629fd3f1bfSFelix Kuehling * being called twice when it is already called in IOMMU callback 7639fd3f1bfSFelix Kuehling * function. 764a82918f1SBen Goz */ 7659fd3f1bfSFelix Kuehling bool already_dequeued; 7669593f4d6SRajneesh Bhardwaj bool runtime_inuse; 76764d1c3a4SFelix Kuehling 76864d1c3a4SFelix Kuehling /* Is this process/pasid bound to this device? (amd_iommu_bind_pasid) */ 76964d1c3a4SFelix Kuehling enum kfd_pdd_bound bound; 770d4566deeSMukul Joshi 771d4566deeSMukul Joshi /* VRAM usage */ 772d4566deeSMukul Joshi uint64_t vram_usage; 773d4566deeSMukul Joshi struct attribute attr_vram; 77432cb59f3SMukul Joshi char vram_filename[MAX_SYSFS_FILENAME_LEN]; 77532cb59f3SMukul Joshi 77632cb59f3SMukul Joshi /* SDMA activity tracking */ 77732cb59f3SMukul Joshi uint64_t sdma_past_activity_counter; 77832cb59f3SMukul Joshi struct attribute attr_sdma; 77932cb59f3SMukul Joshi char sdma_filename[MAX_SYSFS_FILENAME_LEN]; 7804327bed2SPhilip Cox 7814327bed2SPhilip Cox /* Eviction activity tracking */ 7824327bed2SPhilip Cox uint64_t last_evict_timestamp; 7834327bed2SPhilip Cox atomic64_t evict_duration_counter; 7844327bed2SPhilip Cox struct attribute attr_evict; 7854327bed2SPhilip Cox 7864327bed2SPhilip Cox struct kobject *kobj_stats; 78759d7115dSMukul Joshi unsigned int doorbell_index; 788f2fa07b3SRamesh Errabolu 789f2fa07b3SRamesh Errabolu /* 790f2fa07b3SRamesh Errabolu * @cu_occupancy: Reports occupancy of Compute Units (CU) of a process 791f2fa07b3SRamesh Errabolu * that is associated with device encoded by "this" struct instance. The 792f2fa07b3SRamesh Errabolu * value reflects CU usage by all of the waves launched by this process 793f2fa07b3SRamesh Errabolu * on this device. A very important property of occupancy parameter is 794f2fa07b3SRamesh Errabolu * that its value is a snapshot of current use. 795f2fa07b3SRamesh Errabolu * 796f2fa07b3SRamesh Errabolu * Following is to be noted regarding how this parameter is reported: 797f2fa07b3SRamesh Errabolu * 798f2fa07b3SRamesh Errabolu * The number of waves that a CU can launch is limited by couple of 799f2fa07b3SRamesh Errabolu * parameters. These are encoded by struct amdgpu_cu_info instance 800f2fa07b3SRamesh Errabolu * that is part of every device definition. For GFX9 devices this 801f2fa07b3SRamesh Errabolu * translates to 40 waves (simd_per_cu * max_waves_per_simd) when waves 802f2fa07b3SRamesh Errabolu * do not use scratch memory and 32 waves (max_scratch_slots_per_cu) 803f2fa07b3SRamesh Errabolu * when they do use scratch memory. This could change for future 804f2fa07b3SRamesh Errabolu * devices and therefore this example should be considered as a guide. 805f2fa07b3SRamesh Errabolu * 806f2fa07b3SRamesh Errabolu * All CU's of a device are available for the process. This may not be true 807f2fa07b3SRamesh Errabolu * under certain conditions - e.g. CU masking. 808f2fa07b3SRamesh Errabolu * 809f2fa07b3SRamesh Errabolu * Finally number of CU's that are occupied by a process is affected by both 810f2fa07b3SRamesh Errabolu * number of CU's a device has along with number of other competing processes 811f2fa07b3SRamesh Errabolu */ 812f2fa07b3SRamesh Errabolu struct attribute attr_cu_occupancy; 813751580b3SPhilip Yang 814751580b3SPhilip Yang /* sysfs counters for GPU retry fault and page migration tracking */ 815751580b3SPhilip Yang struct kobject *kobj_counters; 816751580b3SPhilip Yang struct attribute attr_faults; 817751580b3SPhilip Yang struct attribute attr_page_in; 818751580b3SPhilip Yang struct attribute attr_page_out; 819751580b3SPhilip Yang uint64_t faults; 820751580b3SPhilip Yang uint64_t page_in; 821751580b3SPhilip Yang uint64_t page_out; 822bef153b7SDavid Yat Sin /* 823bef153b7SDavid Yat Sin * If this process has been checkpointed before, then the user 824bef153b7SDavid Yat Sin * application will use the original gpu_id on the 825bef153b7SDavid Yat Sin * checkpointed node to refer to this device. 826bef153b7SDavid Yat Sin */ 827bef153b7SDavid Yat Sin uint32_t user_gpu_id; 828cc009e61SMukul Joshi 829cc009e61SMukul Joshi void *proc_ctx_bo; 830cc009e61SMukul Joshi uint64_t proc_ctx_gpu_addr; 831cc009e61SMukul Joshi void *proc_ctx_cpu_ptr; 83219f6d2a6SOded Gabbay }; 83319f6d2a6SOded Gabbay 83452a5fdceSAlexey Skidanov #define qpd_to_pdd(x) container_of(x, struct kfd_process_device, qpd) 83552a5fdceSAlexey Skidanov 83642de677fSPhilip Yang struct svm_range_list { 83742de677fSPhilip Yang struct mutex lock; 83842de677fSPhilip Yang struct rb_root_cached objects; 83942de677fSPhilip Yang struct list_head list; 8404683cfecSPhilip Yang struct work_struct deferred_list_work; 8414683cfecSPhilip Yang struct list_head deferred_range_list; 842c2db32ceSRajneesh Bhardwaj struct list_head criu_svm_metadata_list; 8434683cfecSPhilip Yang spinlock_t deferred_list_lock; 8448a7c184aSFelix Kuehling atomic_t evicted_ranges; 8452e447728SPhilip Yang atomic_t drain_pagefaults; 8468a7c184aSFelix Kuehling struct delayed_work restore_work; 8475a75ea56SFelix Kuehling DECLARE_BITMAP(bitmap_supported, MAX_GPU_INSTANCE); 848a6283010SAlex Sierra struct task_struct *faulting_task; 84942de677fSPhilip Yang }; 85042de677fSPhilip Yang 8514a488a7aSOded Gabbay /* Process data */ 8524a488a7aSOded Gabbay struct kfd_process { 85319f6d2a6SOded Gabbay /* 85419f6d2a6SOded Gabbay * kfd_process are stored in an mm_struct*->kfd_process* 85519f6d2a6SOded Gabbay * hash table (kfd_processes in kfd_process.c) 85619f6d2a6SOded Gabbay */ 85719f6d2a6SOded Gabbay struct hlist_node kfd_processes; 85819f6d2a6SOded Gabbay 8599b56bb11SFelix Kuehling /* 8609b56bb11SFelix Kuehling * Opaque pointer to mm_struct. We don't hold a reference to 8619b56bb11SFelix Kuehling * it so it should never be dereferenced from here. This is 8629b56bb11SFelix Kuehling * only used for looking up processes by their mm. 8639b56bb11SFelix Kuehling */ 8649b56bb11SFelix Kuehling void *mm; 86519f6d2a6SOded Gabbay 8665ce10687SFelix Kuehling struct kref ref; 8675ce10687SFelix Kuehling struct work_struct release_work; 8685ce10687SFelix Kuehling 86919f6d2a6SOded Gabbay struct mutex mutex; 87019f6d2a6SOded Gabbay 87119f6d2a6SOded Gabbay /* 87219f6d2a6SOded Gabbay * In any process, the thread that started main() is the lead 87319f6d2a6SOded Gabbay * thread and outlives the rest. 87419f6d2a6SOded Gabbay * It is here because amd_iommu_bind_pasid wants a task_struct. 875894a8293SFelix Kuehling * It can also be used for safely getting a reference to the 876894a8293SFelix Kuehling * mm_struct of the process. 87719f6d2a6SOded Gabbay */ 87819f6d2a6SOded Gabbay struct task_struct *lead_thread; 87919f6d2a6SOded Gabbay 88019f6d2a6SOded Gabbay /* We want to receive a notification when the mm_struct is destroyed */ 88119f6d2a6SOded Gabbay struct mmu_notifier mmu_notifier; 88219f6d2a6SOded Gabbay 883c7b6bac9SFenghua Yu u32 pasid; 88419f6d2a6SOded Gabbay 88519f6d2a6SOded Gabbay /* 8866ae27841SAlex Sierra * Array of kfd_process_device pointers, 88719f6d2a6SOded Gabbay * one for each device the process is using. 88819f6d2a6SOded Gabbay */ 8896ae27841SAlex Sierra struct kfd_process_device *pdds[MAX_GPU_INSTANCE]; 8906ae27841SAlex Sierra uint32_t n_pdds; 89119f6d2a6SOded Gabbay 89245102048SBen Goz struct process_queue_manager pqm; 89345102048SBen Goz 89419f6d2a6SOded Gabbay /*Is the user space process 32 bit?*/ 89519f6d2a6SOded Gabbay bool is_32bit_user_mode; 896f3a39818SAndrew Lewycky 897f3a39818SAndrew Lewycky /* Event-related data */ 898f3a39818SAndrew Lewycky struct mutex event_mutex; 899482f0777SFelix Kuehling /* Event ID allocator and lookup */ 900482f0777SFelix Kuehling struct idr event_idr; 90150cb7dd9SFelix Kuehling /* Event page */ 90268df0f19SLang Yu u64 signal_handle; 90350cb7dd9SFelix Kuehling struct kfd_signal_page *signal_page; 904b9a5d0a5SFelix Kuehling size_t signal_mapped_size; 905f3a39818SAndrew Lewycky size_t signal_event_count; 906c986169fSFelix Kuehling bool signal_event_limit_reached; 907403575c4SFelix Kuehling 908403575c4SFelix Kuehling /* Information used for memory eviction */ 909403575c4SFelix Kuehling void *kgd_process_info; 910403575c4SFelix Kuehling /* Eviction fence that is attached to all the BOs of this process. The 911403575c4SFelix Kuehling * fence will be triggered during eviction and new one will be created 912403575c4SFelix Kuehling * during restore 913403575c4SFelix Kuehling */ 914403575c4SFelix Kuehling struct dma_fence *ef; 91526103436SFelix Kuehling 91626103436SFelix Kuehling /* Work items for evicting and restoring BOs */ 91726103436SFelix Kuehling struct delayed_work eviction_work; 91826103436SFelix Kuehling struct delayed_work restore_work; 91926103436SFelix Kuehling /* seqno of the last scheduled eviction */ 92026103436SFelix Kuehling unsigned int last_eviction_seqno; 92126103436SFelix Kuehling /* Approx. the last timestamp (in jiffies) when the process was 92226103436SFelix Kuehling * restored after an eviction 92326103436SFelix Kuehling */ 92426103436SFelix Kuehling unsigned long last_restore_timestamp; 925de9f26bbSKent Russell 926de9f26bbSKent Russell /* Kobj for our procfs */ 927de9f26bbSKent Russell struct kobject *kobj; 9286d220a7eSAmber Lin struct kobject *kobj_queues; 929de9f26bbSKent Russell struct attribute attr_pasid; 93040ce74d1SPhilip Yang 93142de677fSPhilip Yang /* shared virtual memory registered by this process */ 93242de677fSPhilip Yang struct svm_range_list svms; 933063e33c5SAlex Sierra 934063e33c5SAlex Sierra bool xnack_enabled; 935b6485bedSTao Zhou 936b6485bedSTao Zhou atomic_t poison; 937cd9f7910SDavid Yat Sin /* Queues are in paused stated because we are in the process of doing a CRIU checkpoint */ 938cd9f7910SDavid Yat Sin bool queues_paused; 9394a488a7aSOded Gabbay }; 9404a488a7aSOded Gabbay 94164d1c3a4SFelix Kuehling #define KFD_PROCESS_TABLE_SIZE 5 /* bits: 32 entries */ 94264d1c3a4SFelix Kuehling extern DECLARE_HASHTABLE(kfd_processes_table, KFD_PROCESS_TABLE_SIZE); 94364d1c3a4SFelix Kuehling extern struct srcu_struct kfd_processes_srcu; 94464d1c3a4SFelix Kuehling 94576baee6cSOded Gabbay /** 946a4497974SRajneesh Bhardwaj * typedef amdkfd_ioctl_t - typedef for ioctl function pointer. 94776baee6cSOded Gabbay * 948a4497974SRajneesh Bhardwaj * @filep: pointer to file structure. 949a4497974SRajneesh Bhardwaj * @p: amdkfd process pointer. 950a4497974SRajneesh Bhardwaj * @data: pointer to arg that was copied from user. 951a4497974SRajneesh Bhardwaj * 952a4497974SRajneesh Bhardwaj * Return: returns ioctl completion code. 95376baee6cSOded Gabbay */ 95476baee6cSOded Gabbay typedef int amdkfd_ioctl_t(struct file *filep, struct kfd_process *p, 95576baee6cSOded Gabbay void *data); 95676baee6cSOded Gabbay 95776baee6cSOded Gabbay struct amdkfd_ioctl_desc { 95876baee6cSOded Gabbay unsigned int cmd; 95976baee6cSOded Gabbay int flags; 96076baee6cSOded Gabbay amdkfd_ioctl_t *func; 96176baee6cSOded Gabbay unsigned int cmd_drv; 96276baee6cSOded Gabbay const char *name; 96376baee6cSOded Gabbay }; 9648dc1db31SMukul Joshi bool kfd_dev_is_large_bar(struct kfd_node *dev); 96576baee6cSOded Gabbay 9661679ae8fSFelix Kuehling int kfd_process_create_wq(void); 96719f6d2a6SOded Gabbay void kfd_process_destroy_wq(void); 96822e3d934SDavid Belanger void kfd_cleanup_processes(void); 969373d7080SFelix Kuehling struct kfd_process *kfd_create_process(struct file *filep); 9702243f493SRajneesh Bhardwaj struct kfd_process *kfd_get_process(const struct task_struct *task); 971c7b6bac9SFenghua Yu struct kfd_process *kfd_lookup_process_by_pasid(u32 pasid); 97226103436SFelix Kuehling struct kfd_process *kfd_lookup_process_by_mm(const struct mm_struct *mm); 9732aeb742bSAlex Sierra 9742aeb742bSAlex Sierra int kfd_process_gpuidx_from_gpuid(struct kfd_process *p, uint32_t gpu_id); 975*5fb34bd9SAlex Sierra int kfd_process_gpuid_from_node(struct kfd_process *p, struct kfd_node *node, 976*5fb34bd9SAlex Sierra uint32_t *gpuid, uint32_t *gpuidx); 9772aeb742bSAlex Sierra static inline int kfd_process_gpuid_from_gpuidx(struct kfd_process *p, 9782aeb742bSAlex Sierra uint32_t gpuidx, uint32_t *gpuid) { 9792aeb742bSAlex Sierra return gpuidx < p->n_pdds ? p->pdds[gpuidx]->dev->id : -EINVAL; 9802aeb742bSAlex Sierra } 9812aeb742bSAlex Sierra static inline struct kfd_process_device *kfd_process_device_from_gpuidx( 9822aeb742bSAlex Sierra struct kfd_process *p, uint32_t gpuidx) { 9832aeb742bSAlex Sierra return gpuidx < p->n_pdds ? p->pdds[gpuidx] : NULL; 9842aeb742bSAlex Sierra } 9852aeb742bSAlex Sierra 986abb208a8SFelix Kuehling void kfd_unref_process(struct kfd_process *p); 987c7f21978SPhilip Yang int kfd_process_evict_queues(struct kfd_process *p, uint32_t trigger); 9886b95e797SFelix Kuehling int kfd_process_restore_queues(struct kfd_process *p); 98926103436SFelix Kuehling void kfd_suspend_all_processes(void); 99026103436SFelix Kuehling int kfd_resume_all_processes(void); 99119f6d2a6SOded Gabbay 992bef153b7SDavid Yat Sin struct kfd_process_device *kfd_process_device_data_by_id(struct kfd_process *process, 993bef153b7SDavid Yat Sin uint32_t gpu_id); 994bef153b7SDavid Yat Sin 995bef153b7SDavid Yat Sin int kfd_process_get_user_gpu_id(struct kfd_process *p, uint32_t actual_gpu_id); 996bef153b7SDavid Yat Sin 997b84394e2SFelix Kuehling int kfd_process_device_init_vm(struct kfd_process_device *pdd, 998b84394e2SFelix Kuehling struct file *drm_file); 9998dc1db31SMukul Joshi struct kfd_process_device *kfd_bind_process_to_device(struct kfd_node *dev, 100064c7f8cfSBen Goz struct kfd_process *p); 10018dc1db31SMukul Joshi struct kfd_process_device *kfd_get_process_device_data(struct kfd_node *dev, 1002093c7d8cSAlexey Skidanov struct kfd_process *p); 10038dc1db31SMukul Joshi struct kfd_process_device *kfd_create_process_device_data(struct kfd_node *dev, 1004093c7d8cSAlexey Skidanov struct kfd_process *p); 100519f6d2a6SOded Gabbay 1006063e33c5SAlex Sierra bool kfd_process_xnack_mode(struct kfd_process *p, bool supported); 1007063e33c5SAlex Sierra 10088dc1db31SMukul Joshi int kfd_reserved_mem_mmap(struct kfd_node *dev, struct kfd_process *process, 1009373d7080SFelix Kuehling struct vm_area_struct *vma); 1010373d7080SFelix Kuehling 101152b29d73SFelix Kuehling /* KFD process API for creating and translating handles */ 101252b29d73SFelix Kuehling int kfd_process_device_create_obj_handle(struct kfd_process_device *pdd, 101352b29d73SFelix Kuehling void *mem); 101452b29d73SFelix Kuehling void *kfd_process_device_translate_handle(struct kfd_process_device *p, 101552b29d73SFelix Kuehling int handle); 101652b29d73SFelix Kuehling void kfd_process_device_remove_obj_handle(struct kfd_process_device *pdd, 101752b29d73SFelix Kuehling int handle); 1018011bbb03SRajneesh Bhardwaj struct kfd_process *kfd_lookup_process_by_pid(struct pid *pid); 101952b29d73SFelix Kuehling 102019f6d2a6SOded Gabbay /* PASIDs */ 102119f6d2a6SOded Gabbay int kfd_pasid_init(void); 102219f6d2a6SOded Gabbay void kfd_pasid_exit(void); 102319f6d2a6SOded Gabbay bool kfd_set_pasid_limit(unsigned int new_limit); 102419f6d2a6SOded Gabbay unsigned int kfd_get_pasid_limit(void); 1025c7b6bac9SFenghua Yu u32 kfd_pasid_alloc(void); 1026c7b6bac9SFenghua Yu void kfd_pasid_free(u32 pasid); 102719f6d2a6SOded Gabbay 102819f6d2a6SOded Gabbay /* Doorbells */ 1029ef568db7SFelix Kuehling size_t kfd_doorbell_process_slice(struct kfd_dev *kfd); 1030735df2baSFelix Kuehling int kfd_doorbell_init(struct kfd_dev *kfd); 1031735df2baSFelix Kuehling void kfd_doorbell_fini(struct kfd_dev *kfd); 10328dc1db31SMukul Joshi int kfd_doorbell_mmap(struct kfd_node *dev, struct kfd_process *process, 1033df03ef93SHarish Kasiviswanathan struct vm_area_struct *vma); 1034ada2b29cSFelix Kuehling void __iomem *kfd_get_kernel_doorbell(struct kfd_dev *kfd, 103519f6d2a6SOded Gabbay unsigned int *doorbell_off); 103619f6d2a6SOded Gabbay void kfd_release_kernel_doorbell(struct kfd_dev *kfd, u32 __iomem *db_addr); 103719f6d2a6SOded Gabbay u32 read_kernel_doorbell(u32 __iomem *db); 1038ada2b29cSFelix Kuehling void write_kernel_doorbell(void __iomem *db, u32 value); 10399d7d0248SFelix Kuehling void write_kernel_doorbell64(void __iomem *db, u64 value); 1040339903faSYong Zhao unsigned int kfd_get_doorbell_dw_offset_in_bar(struct kfd_dev *kfd, 104159d7115dSMukul Joshi struct kfd_process_device *pdd, 1042ef568db7SFelix Kuehling unsigned int doorbell_id); 104359d7115dSMukul Joshi phys_addr_t kfd_get_process_doorbells(struct kfd_process_device *pdd); 104459d7115dSMukul Joshi int kfd_alloc_process_doorbells(struct kfd_dev *kfd, 104559d7115dSMukul Joshi unsigned int *doorbell_index); 104659d7115dSMukul Joshi void kfd_free_process_doorbells(struct kfd_dev *kfd, 104759d7115dSMukul Joshi unsigned int doorbell_index); 10486e81090bSOded Gabbay /* GTT Sub-Allocator */ 10496e81090bSOded Gabbay 10508dc1db31SMukul Joshi int kfd_gtt_sa_allocate(struct kfd_node *node, unsigned int size, 10516e81090bSOded Gabbay struct kfd_mem_obj **mem_obj); 10526e81090bSOded Gabbay 10538dc1db31SMukul Joshi int kfd_gtt_sa_free(struct kfd_node *node, struct kfd_mem_obj *mem_obj); 10546e81090bSOded Gabbay 10554a488a7aSOded Gabbay extern struct device *kfd_device; 10564a488a7aSOded Gabbay 1057de9f26bbSKent Russell /* KFD's procfs */ 1058de9f26bbSKent Russell void kfd_procfs_init(void); 1059de9f26bbSKent Russell void kfd_procfs_shutdown(void); 10606d220a7eSAmber Lin int kfd_procfs_add_queue(struct queue *q); 10616d220a7eSAmber Lin void kfd_procfs_del_queue(struct queue *q); 1062de9f26bbSKent Russell 10635b5c4e40SEvgeny Pinchuk /* Topology */ 10645b5c4e40SEvgeny Pinchuk int kfd_topology_init(void); 10655b5c4e40SEvgeny Pinchuk void kfd_topology_shutdown(void); 10668dc1db31SMukul Joshi int kfd_topology_add_device(struct kfd_node *gpu); 10678dc1db31SMukul Joshi int kfd_topology_remove_device(struct kfd_node *gpu); 10683a87177eSHarish Kasiviswanathan struct kfd_topology_device *kfd_topology_device_by_proximity_domain( 10693a87177eSHarish Kasiviswanathan uint32_t proximity_domain); 107046d18d51SMukul Joshi struct kfd_topology_device *kfd_topology_device_by_proximity_domain_no_lock( 107146d18d51SMukul Joshi uint32_t proximity_domain); 107244d8cc6fSYong Zhao struct kfd_topology_device *kfd_topology_device_by_id(uint32_t gpu_id); 10738dc1db31SMukul Joshi struct kfd_node *kfd_device_by_id(uint32_t gpu_id); 10748dc1db31SMukul Joshi struct kfd_node *kfd_device_by_pci_dev(const struct pci_dev *pdev); 10758dc1db31SMukul Joshi struct kfd_node *kfd_device_by_adev(const struct amdgpu_device *adev); 1076*5fb34bd9SAlex Sierra static inline bool kfd_irq_is_from_node(struct kfd_node *node, uint32_t client_id, 1077*5fb34bd9SAlex Sierra uint32_t node_id) 1078*5fb34bd9SAlex Sierra { 1079*5fb34bd9SAlex Sierra if ((node->interrupt_bitmap & (0x1U << node_id)) || 1080*5fb34bd9SAlex Sierra ((node_id % 4) == 0 && 1081*5fb34bd9SAlex Sierra (node->interrupt_bitmap >> 16) & (0x1U << client_id))) 1082*5fb34bd9SAlex Sierra return true; 1083*5fb34bd9SAlex Sierra 1084*5fb34bd9SAlex Sierra return false; 1085*5fb34bd9SAlex Sierra } 1086*5fb34bd9SAlex Sierra static inline struct kfd_node *kfd_node_by_irq_ids(struct amdgpu_device *adev, 1087*5fb34bd9SAlex Sierra uint32_t client_id, uint32_t node_id) { 1088*5fb34bd9SAlex Sierra struct kfd_dev *dev = adev->kfd.dev; 1089*5fb34bd9SAlex Sierra uint32_t i; 1090*5fb34bd9SAlex Sierra 1091*5fb34bd9SAlex Sierra if (adev->ip_versions[GC_HWIP][0] != IP_VERSION(9, 4, 3)) 1092*5fb34bd9SAlex Sierra return dev->nodes[0]; 1093*5fb34bd9SAlex Sierra 1094*5fb34bd9SAlex Sierra for (i = 0; i < dev->num_nodes; i++) 1095*5fb34bd9SAlex Sierra if (kfd_irq_is_from_node(dev->nodes[i], client_id, node_id)) 1096*5fb34bd9SAlex Sierra return dev->nodes[i]; 1097*5fb34bd9SAlex Sierra 1098*5fb34bd9SAlex Sierra return NULL; 1099*5fb34bd9SAlex Sierra } 11008dc1db31SMukul Joshi int kfd_topology_enum_kfd_devices(uint8_t idx, struct kfd_node **kdev); 1101520b8fb7SFelix Kuehling int kfd_numa_node_to_apic_id(int numa_node_id); 11026127896fSHuang Rui void kfd_double_confirm_iommu_support(struct kfd_dev *gpu); 11035b5c4e40SEvgeny Pinchuk 11044a488a7aSOded Gabbay /* Interrupts */ 11058dc1db31SMukul Joshi int kfd_interrupt_init(struct kfd_node *dev); 11068dc1db31SMukul Joshi void kfd_interrupt_exit(struct kfd_node *dev); 11078dc1db31SMukul Joshi bool enqueue_ih_ring_entry(struct kfd_node *kfd, const void *ih_ring_entry); 11088dc1db31SMukul Joshi bool interrupt_is_wanted(struct kfd_node *dev, 110958e69886SLan Xiao const uint32_t *ih_ring_entry, 111058e69886SLan Xiao uint32_t *patched_ihre, bool *flag); 11114a488a7aSOded Gabbay 111219f6d2a6SOded Gabbay /* amdkfd Apertures */ 111319f6d2a6SOded Gabbay int kfd_init_apertures(struct kfd_process *process); 111419f6d2a6SOded Gabbay 11157c9631afSJay Cornwall void kfd_process_set_trap_handler(struct qcm_process_device *qpd, 11167c9631afSJay Cornwall uint64_t tba_addr, 11177c9631afSJay Cornwall uint64_t tma_addr); 11187c9631afSJay Cornwall 111936988070SRajneesh Bhardwaj /* CRIU */ 112036988070SRajneesh Bhardwaj /* 112136988070SRajneesh Bhardwaj * Need to increment KFD_CRIU_PRIV_VERSION each time a change is made to any of the CRIU private 112236988070SRajneesh Bhardwaj * structures: 112336988070SRajneesh Bhardwaj * kfd_criu_process_priv_data 112436988070SRajneesh Bhardwaj * kfd_criu_device_priv_data 112536988070SRajneesh Bhardwaj * kfd_criu_bo_priv_data 112636988070SRajneesh Bhardwaj * kfd_criu_queue_priv_data 112736988070SRajneesh Bhardwaj * kfd_criu_event_priv_data 112836988070SRajneesh Bhardwaj * kfd_criu_svm_range_priv_data 112936988070SRajneesh Bhardwaj */ 113036988070SRajneesh Bhardwaj 113136988070SRajneesh Bhardwaj #define KFD_CRIU_PRIV_VERSION 1 113236988070SRajneesh Bhardwaj 113336988070SRajneesh Bhardwaj struct kfd_criu_process_priv_data { 113436988070SRajneesh Bhardwaj uint32_t version; 11354717fe3dSRajneesh Bhardwaj uint32_t xnack_mode; 113636988070SRajneesh Bhardwaj }; 113736988070SRajneesh Bhardwaj 113836988070SRajneesh Bhardwaj struct kfd_criu_device_priv_data { 113936988070SRajneesh Bhardwaj /* For future use */ 114036988070SRajneesh Bhardwaj uint64_t reserved; 114136988070SRajneesh Bhardwaj }; 114236988070SRajneesh Bhardwaj 114336988070SRajneesh Bhardwaj struct kfd_criu_bo_priv_data { 11445ccbb057SRajneesh Bhardwaj uint64_t user_addr; 11455ccbb057SRajneesh Bhardwaj uint32_t idr_handle; 11465ccbb057SRajneesh Bhardwaj uint32_t mapped_gpuids[MAX_GPU_INSTANCE]; 114736988070SRajneesh Bhardwaj }; 114836988070SRajneesh Bhardwaj 1149626f7b31SDavid Yat Sin /* 1150626f7b31SDavid Yat Sin * The first 4 bytes of kfd_criu_queue_priv_data, kfd_criu_event_priv_data, 1151626f7b31SDavid Yat Sin * kfd_criu_svm_range_priv_data is the object type 1152626f7b31SDavid Yat Sin */ 1153626f7b31SDavid Yat Sin enum kfd_criu_object_type { 1154626f7b31SDavid Yat Sin KFD_CRIU_OBJECT_TYPE_QUEUE, 1155626f7b31SDavid Yat Sin KFD_CRIU_OBJECT_TYPE_EVENT, 1156626f7b31SDavid Yat Sin KFD_CRIU_OBJECT_TYPE_SVM_RANGE, 1157626f7b31SDavid Yat Sin }; 1158626f7b31SDavid Yat Sin 115936988070SRajneesh Bhardwaj struct kfd_criu_svm_range_priv_data { 116036988070SRajneesh Bhardwaj uint32_t object_type; 116108a987a8SRajneesh Bhardwaj uint64_t start_addr; 116208a987a8SRajneesh Bhardwaj uint64_t size; 116308a987a8SRajneesh Bhardwaj /* Variable length array of attributes */ 1164d5c83156SChangcheng Deng struct kfd_ioctl_svm_attribute attrs[]; 116536988070SRajneesh Bhardwaj }; 116636988070SRajneesh Bhardwaj 116736988070SRajneesh Bhardwaj struct kfd_criu_queue_priv_data { 116836988070SRajneesh Bhardwaj uint32_t object_type; 1169626f7b31SDavid Yat Sin uint64_t q_address; 1170626f7b31SDavid Yat Sin uint64_t q_size; 1171626f7b31SDavid Yat Sin uint64_t read_ptr_addr; 1172626f7b31SDavid Yat Sin uint64_t write_ptr_addr; 1173626f7b31SDavid Yat Sin uint64_t doorbell_off; 1174626f7b31SDavid Yat Sin uint64_t eop_ring_buffer_address; 1175626f7b31SDavid Yat Sin uint64_t ctx_save_restore_area_address; 1176626f7b31SDavid Yat Sin uint32_t gpu_id; 1177626f7b31SDavid Yat Sin uint32_t type; 1178626f7b31SDavid Yat Sin uint32_t format; 1179626f7b31SDavid Yat Sin uint32_t q_id; 1180626f7b31SDavid Yat Sin uint32_t priority; 1181626f7b31SDavid Yat Sin uint32_t q_percent; 1182626f7b31SDavid Yat Sin uint32_t doorbell_id; 1183747eea07SDavid Yat Sin uint32_t gws; 1184626f7b31SDavid Yat Sin uint32_t sdma_id; 1185626f7b31SDavid Yat Sin uint32_t eop_ring_buffer_size; 1186626f7b31SDavid Yat Sin uint32_t ctx_save_restore_area_size; 1187626f7b31SDavid Yat Sin uint32_t ctl_stack_size; 1188626f7b31SDavid Yat Sin uint32_t mqd_size; 118936988070SRajneesh Bhardwaj }; 119036988070SRajneesh Bhardwaj 119136988070SRajneesh Bhardwaj struct kfd_criu_event_priv_data { 119236988070SRajneesh Bhardwaj uint32_t object_type; 119340e8a766SDavid Yat Sin uint64_t user_handle; 119440e8a766SDavid Yat Sin uint32_t event_id; 119540e8a766SDavid Yat Sin uint32_t auto_reset; 119640e8a766SDavid Yat Sin uint32_t type; 119740e8a766SDavid Yat Sin uint32_t signaled; 119840e8a766SDavid Yat Sin 119940e8a766SDavid Yat Sin union { 120040e8a766SDavid Yat Sin struct kfd_hsa_memory_exception_data memory_exception_data; 120140e8a766SDavid Yat Sin struct kfd_hsa_hw_exception_data hw_exception_data; 120240e8a766SDavid Yat Sin }; 120336988070SRajneesh Bhardwaj }; 120436988070SRajneesh Bhardwaj 1205626f7b31SDavid Yat Sin int kfd_process_get_queue_info(struct kfd_process *p, 1206626f7b31SDavid Yat Sin uint32_t *num_queues, 1207626f7b31SDavid Yat Sin uint64_t *priv_data_sizes); 1208626f7b31SDavid Yat Sin 1209626f7b31SDavid Yat Sin int kfd_criu_checkpoint_queues(struct kfd_process *p, 1210626f7b31SDavid Yat Sin uint8_t __user *user_priv_data, 1211626f7b31SDavid Yat Sin uint64_t *priv_data_offset); 1212626f7b31SDavid Yat Sin 1213626f7b31SDavid Yat Sin int kfd_criu_restore_queue(struct kfd_process *p, 1214626f7b31SDavid Yat Sin uint8_t __user *user_priv_data, 1215626f7b31SDavid Yat Sin uint64_t *priv_data_offset, 1216626f7b31SDavid Yat Sin uint64_t max_priv_data_size); 121740e8a766SDavid Yat Sin 121840e8a766SDavid Yat Sin int kfd_criu_checkpoint_events(struct kfd_process *p, 121940e8a766SDavid Yat Sin uint8_t __user *user_priv_data, 122040e8a766SDavid Yat Sin uint64_t *priv_data_offset); 122140e8a766SDavid Yat Sin 122240e8a766SDavid Yat Sin int kfd_criu_restore_event(struct file *devkfd, 122340e8a766SDavid Yat Sin struct kfd_process *p, 122440e8a766SDavid Yat Sin uint8_t __user *user_priv_data, 122540e8a766SDavid Yat Sin uint64_t *priv_data_offset, 122640e8a766SDavid Yat Sin uint64_t max_priv_data_size); 122736988070SRajneesh Bhardwaj /* CRIU - End */ 122836988070SRajneesh Bhardwaj 1229ed6e6a34SBen Goz /* Queue Context Management */ 1230e88a614cSEdward O'Callaghan int init_queue(struct queue **q, const struct queue_properties *properties); 1231ed6e6a34SBen Goz void uninit_queue(struct queue *q); 123245102048SBen Goz void print_queue_properties(struct queue_properties *q); 1233ed6e6a34SBen Goz void print_queue(struct queue *q); 1234ed6e6a34SBen Goz 12354b8f589bSBen Goz struct mqd_manager *mqd_manager_init_cik(enum KFD_MQD_TYPE type, 12368dc1db31SMukul Joshi struct kfd_node *dev); 1237ee04955aSFelix Kuehling struct mqd_manager *mqd_manager_init_cik_hawaii(enum KFD_MQD_TYPE type, 12388dc1db31SMukul Joshi struct kfd_node *dev); 12394b8f589bSBen Goz struct mqd_manager *mqd_manager_init_vi(enum KFD_MQD_TYPE type, 12408dc1db31SMukul Joshi struct kfd_node *dev); 1241ee04955aSFelix Kuehling struct mqd_manager *mqd_manager_init_vi_tonga(enum KFD_MQD_TYPE type, 12428dc1db31SMukul Joshi struct kfd_node *dev); 1243b91d43ddSFelix Kuehling struct mqd_manager *mqd_manager_init_v9(enum KFD_MQD_TYPE type, 12448dc1db31SMukul Joshi struct kfd_node *dev); 124514328aa5SPhilip Cox struct mqd_manager *mqd_manager_init_v10(enum KFD_MQD_TYPE type, 12468dc1db31SMukul Joshi struct kfd_node *dev); 1247cc009e61SMukul Joshi struct mqd_manager *mqd_manager_init_v11(enum KFD_MQD_TYPE type, 12488dc1db31SMukul Joshi struct kfd_node *dev); 12498dc1db31SMukul Joshi struct device_queue_manager *device_queue_manager_init(struct kfd_node *dev); 125064c7f8cfSBen Goz void device_queue_manager_uninit(struct device_queue_manager *dqm); 12518dc1db31SMukul Joshi struct kernel_queue *kernel_queue_init(struct kfd_node *dev, 1252241f24f8SBen Goz enum kfd_queue_type type); 1253c2a77fdeSFelix Kuehling void kernel_queue_uninit(struct kernel_queue *kq, bool hanging); 125403e5b167STao Zhou int kfd_dqm_evict_pasid(struct device_queue_manager *dqm, u32 pasid); 1255241f24f8SBen Goz 125645102048SBen Goz /* Process Queue Manager */ 125745102048SBen Goz struct process_queue_node { 125845102048SBen Goz struct queue *q; 125945102048SBen Goz struct kernel_queue *kq; 126045102048SBen Goz struct list_head process_queue_list; 126145102048SBen Goz }; 126245102048SBen Goz 12639fd3f1bfSFelix Kuehling void kfd_process_dequeue_from_device(struct kfd_process_device *pdd); 12649fd3f1bfSFelix Kuehling void kfd_process_dequeue_from_all_devices(struct kfd_process *p); 126545102048SBen Goz int pqm_init(struct process_queue_manager *pqm, struct kfd_process *p); 126645102048SBen Goz void pqm_uninit(struct process_queue_manager *pqm); 126745102048SBen Goz int pqm_create_queue(struct process_queue_manager *pqm, 12688dc1db31SMukul Joshi struct kfd_node *dev, 126945102048SBen Goz struct file *f, 127045102048SBen Goz struct queue_properties *properties, 1271e47a8b52SYong Zhao unsigned int *qid, 1272e77a541fSGraham Sider struct amdgpu_bo *wptr_bo, 12738668dfc3SDavid Yat Sin const struct kfd_criu_queue_priv_data *q_data, 127442c6c482SDavid Yat Sin const void *restore_mqd, 12753a9822d7SDavid Yat Sin const void *restore_ctl_stack, 1276e47a8b52SYong Zhao uint32_t *p_doorbell_offset_in_process); 127745102048SBen Goz int pqm_destroy_queue(struct process_queue_manager *pqm, unsigned int qid); 12787c695a2cSLang Yu int pqm_update_queue_properties(struct process_queue_manager *pqm, unsigned int qid, 127945102048SBen Goz struct queue_properties *p); 12807c695a2cSLang Yu int pqm_update_mqd(struct process_queue_manager *pqm, unsigned int qid, 12817c695a2cSLang Yu struct mqd_update_info *minfo); 1282eb82da1dSOak Zeng int pqm_set_gws(struct process_queue_manager *pqm, unsigned int qid, 1283eb82da1dSOak Zeng void *gws); 1284fbeb661bSYair Shachar struct kernel_queue *pqm_get_kernel_queue(struct process_queue_manager *pqm, 1285fbeb661bSYair Shachar unsigned int qid); 12865bb4b78bSOak Zeng struct queue *pqm_get_user_queue(struct process_queue_manager *pqm, 12875bb4b78bSOak Zeng unsigned int qid); 12885df099e8SJay Cornwall int pqm_get_wave_state(struct process_queue_manager *pqm, 12895df099e8SJay Cornwall unsigned int qid, 12905df099e8SJay Cornwall void __user *ctl_stack, 12915df099e8SJay Cornwall u32 *ctl_stack_used_size, 12925df099e8SJay Cornwall u32 *save_area_used_size); 129345102048SBen Goz 1294b010affeSQu Huang int amdkfd_fence_wait_timeout(uint64_t *fence_addr, 1295b010affeSQu Huang uint64_t fence_value, 12968c72c3d7SYong Zhao unsigned int timeout_ms); 1297788bf83dSYair Shachar 129842c6c482SDavid Yat Sin int pqm_get_queue_checkpoint_info(struct process_queue_manager *pqm, 129942c6c482SDavid Yat Sin unsigned int qid, 13003a9822d7SDavid Yat Sin u32 *mqd_size, 13013a9822d7SDavid Yat Sin u32 *ctl_stack_size); 1302ed6e6a34SBen Goz /* Packet Manager */ 1303ed6e6a34SBen Goz 130464c7f8cfSBen Goz #define KFD_FENCE_COMPLETED (100) 130564c7f8cfSBen Goz #define KFD_FENCE_INIT (10) 1306241f24f8SBen Goz 1307ed6e6a34SBen Goz struct packet_manager { 1308ed6e6a34SBen Goz struct device_queue_manager *dqm; 1309ed6e6a34SBen Goz struct kernel_queue *priv_queue; 1310ed6e6a34SBen Goz struct mutex lock; 1311ed6e6a34SBen Goz bool allocated; 1312ed6e6a34SBen Goz struct kfd_mem_obj *ib_buffer_obj; 1313851a645eSFelix Kuehling unsigned int ib_size_bytes; 1314819ec5acSFelix Kuehling bool is_over_subscription; 1315f6e27ff1SFelix Kuehling 1316f6e27ff1SFelix Kuehling const struct packet_manager_funcs *pmf; 1317ed6e6a34SBen Goz }; 1318ed6e6a34SBen Goz 1319f6e27ff1SFelix Kuehling struct packet_manager_funcs { 1320f6e27ff1SFelix Kuehling /* Support ASIC-specific packet formats for PM4 packets */ 1321f6e27ff1SFelix Kuehling int (*map_process)(struct packet_manager *pm, uint32_t *buffer, 1322f6e27ff1SFelix Kuehling struct qcm_process_device *qpd); 1323f6e27ff1SFelix Kuehling int (*runlist)(struct packet_manager *pm, uint32_t *buffer, 1324f6e27ff1SFelix Kuehling uint64_t ib, size_t ib_size_in_dwords, bool chain); 1325f6e27ff1SFelix Kuehling int (*set_resources)(struct packet_manager *pm, uint32_t *buffer, 1326f6e27ff1SFelix Kuehling struct scheduling_resources *res); 1327f6e27ff1SFelix Kuehling int (*map_queues)(struct packet_manager *pm, uint32_t *buffer, 1328f6e27ff1SFelix Kuehling struct queue *q, bool is_static); 1329f6e27ff1SFelix Kuehling int (*unmap_queues)(struct packet_manager *pm, uint32_t *buffer, 1330f6e27ff1SFelix Kuehling enum kfd_unmap_queues_filter mode, 1331d2cb0b21SJonathan Kim uint32_t filter_param, bool reset); 1332f6e27ff1SFelix Kuehling int (*query_status)(struct packet_manager *pm, uint32_t *buffer, 1333b010affeSQu Huang uint64_t fence_address, uint64_t fence_value); 1334f6e27ff1SFelix Kuehling int (*release_mem)(uint64_t gpu_addr, uint32_t *buffer); 1335f6e27ff1SFelix Kuehling 1336f6e27ff1SFelix Kuehling /* Packet sizes */ 1337f6e27ff1SFelix Kuehling int map_process_size; 1338f6e27ff1SFelix Kuehling int runlist_size; 1339f6e27ff1SFelix Kuehling int set_resources_size; 1340f6e27ff1SFelix Kuehling int map_queues_size; 1341f6e27ff1SFelix Kuehling int unmap_queues_size; 1342f6e27ff1SFelix Kuehling int query_status_size; 1343f6e27ff1SFelix Kuehling int release_mem_size; 1344f6e27ff1SFelix Kuehling }; 1345f6e27ff1SFelix Kuehling 1346f6e27ff1SFelix Kuehling extern const struct packet_manager_funcs kfd_vi_pm_funcs; 1347454150b1SFelix Kuehling extern const struct packet_manager_funcs kfd_v9_pm_funcs; 1348fd6a440eSJonathan Kim extern const struct packet_manager_funcs kfd_aldebaran_pm_funcs; 1349f6e27ff1SFelix Kuehling 135064c7f8cfSBen Goz int pm_init(struct packet_manager *pm, struct device_queue_manager *dqm); 1351c2a77fdeSFelix Kuehling void pm_uninit(struct packet_manager *pm, bool hanging); 135264c7f8cfSBen Goz int pm_send_set_resources(struct packet_manager *pm, 135364c7f8cfSBen Goz struct scheduling_resources *res); 135464c7f8cfSBen Goz int pm_send_runlist(struct packet_manager *pm, struct list_head *dqm_queues); 135564c7f8cfSBen Goz int pm_send_query_status(struct packet_manager *pm, uint64_t fence_address, 1356b010affeSQu Huang uint64_t fence_value); 135764c7f8cfSBen Goz 1358d2cb0b21SJonathan Kim int pm_send_unmap_queue(struct packet_manager *pm, 13597da2bcf8SYong Zhao enum kfd_unmap_queues_filter mode, 1360d2cb0b21SJonathan Kim uint32_t filter_param, bool reset); 136164c7f8cfSBen Goz 1362241f24f8SBen Goz void pm_release_ib(struct packet_manager *pm); 1363241f24f8SBen Goz 1364454150b1SFelix Kuehling /* Following PM funcs can be shared among VI and AI */ 1365454150b1SFelix Kuehling unsigned int pm_build_pm4_header(unsigned int opcode, size_t packet_size); 136614328aa5SPhilip Cox 136719f6d2a6SOded Gabbay uint64_t kfd_get_number_elems(struct kfd_dev *kfd); 136819f6d2a6SOded Gabbay 1369f3a39818SAndrew Lewycky /* Events */ 1370f3a39818SAndrew Lewycky extern const struct kfd_event_interrupt_class event_interrupt_class_cik; 1371ca750681SFelix Kuehling extern const struct kfd_event_interrupt_class event_interrupt_class_v9; 1372cc009e61SMukul Joshi extern const struct kfd_event_interrupt_class event_interrupt_class_v11; 1373ca750681SFelix Kuehling 1374930c5ff4SAlexey Skidanov extern const struct kfd_device_global_init_class device_global_init_class_cik; 1375f3a39818SAndrew Lewycky 1376c3eb12dfSFelix Kuehling int kfd_event_init_process(struct kfd_process *p); 1377f3a39818SAndrew Lewycky void kfd_event_free_process(struct kfd_process *p); 1378f3a39818SAndrew Lewycky int kfd_event_mmap(struct kfd_process *process, struct vm_area_struct *vma); 1379f3a39818SAndrew Lewycky int kfd_wait_on_events(struct kfd_process *p, 138059d3e8beSAlexey Skidanov uint32_t num_events, void __user *data, 1381bea9a56aSFelix Kuehling bool all, uint32_t *user_timeout_ms, 1382fdf0c833SFelix Kuehling uint32_t *wait_result); 1383c7b6bac9SFenghua Yu void kfd_signal_event_interrupt(u32 pasid, uint32_t partial_id, 1384f3a39818SAndrew Lewycky uint32_t valid_id_bits); 13858dc1db31SMukul Joshi void kfd_signal_iommu_event(struct kfd_node *dev, 1386c7b6bac9SFenghua Yu u32 pasid, unsigned long address, 138759d3e8beSAlexey Skidanov bool is_write_requested, bool is_execute_requested); 1388c7b6bac9SFenghua Yu void kfd_signal_hw_exception_event(u32 pasid); 1389f3a39818SAndrew Lewycky int kfd_set_event(struct kfd_process *p, uint32_t event_id); 1390f3a39818SAndrew Lewycky int kfd_reset_event(struct kfd_process *p, uint32_t event_id); 139140e8a766SDavid Yat Sin int kfd_kmap_event_page(struct kfd_process *p, uint64_t event_page_offset); 139240e8a766SDavid Yat Sin 1393f3a39818SAndrew Lewycky int kfd_event_create(struct file *devkfd, struct kfd_process *p, 1394f3a39818SAndrew Lewycky uint32_t event_type, bool auto_reset, uint32_t node_id, 1395f3a39818SAndrew Lewycky uint32_t *event_id, uint32_t *event_trigger_data, 1396f3a39818SAndrew Lewycky uint64_t *event_page_offset, uint32_t *event_slot_index); 139740e8a766SDavid Yat Sin 139840e8a766SDavid Yat Sin int kfd_get_num_events(struct kfd_process *p); 1399f3a39818SAndrew Lewycky int kfd_event_destroy(struct kfd_process *p, uint32_t event_id); 1400f3a39818SAndrew Lewycky 14018dc1db31SMukul Joshi void kfd_signal_vm_fault_event(struct kfd_node *dev, u32 pasid, 14022640c3faSshaoyunl struct kfd_vm_fault_info *info); 14032640c3faSshaoyunl 14048dc1db31SMukul Joshi void kfd_signal_reset_event(struct kfd_node *dev); 1405e42051d2SShaoyun Liu 14068dc1db31SMukul Joshi void kfd_signal_poison_consumed_event(struct kfd_node *dev, u32 pasid); 1407e2b1f9f5SDennis Li 14083543b055SEric Huang void kfd_flush_tlb(struct kfd_process_device *pdd, enum TLB_FLUSH_TYPE type); 1409403575c4SFelix Kuehling 1410459ccca5SLang Yu static inline bool kfd_flush_tlb_after_unmap(struct kfd_dev *dev) 1411459ccca5SLang Yu { 1412459ccca5SLang Yu return KFD_GC_VERSION(dev) == IP_VERSION(9, 4, 2) || 1413459ccca5SLang Yu (KFD_GC_VERSION(dev) == IP_VERSION(9, 4, 1) && 1414459ccca5SLang Yu dev->adev->sdma.instance[0].fw_version >= 18) || 1415459ccca5SLang Yu KFD_GC_VERSION(dev) == IP_VERSION(9, 4, 0); 1416459ccca5SLang Yu } 1417459ccca5SLang Yu 1418e42051d2SShaoyun Liu bool kfd_is_locked(void); 1419e42051d2SShaoyun Liu 1420f756e631SHarish Kasiviswanathan /* Compute profile */ 14218dc1db31SMukul Joshi void kfd_inc_compute_active(struct kfd_node *dev); 14228dc1db31SMukul Joshi void kfd_dec_compute_active(struct kfd_node *dev); 1423f756e631SHarish Kasiviswanathan 14246b855f7bSHarish Kasiviswanathan /* Cgroup Support */ 14256b855f7bSHarish Kasiviswanathan /* Check with device cgroup if @kfd device is accessible */ 14268dc1db31SMukul Joshi static inline int kfd_devcgroup_check_permission(struct kfd_node *kfd) 14276b855f7bSHarish Kasiviswanathan { 1428eec8fd02SOdin Ugedal #if defined(CONFIG_CGROUP_DEVICE) || defined(CONFIG_CGROUP_BPF) 1429d69a3b76SMukul Joshi struct drm_device *ddev = adev_to_drm(kfd->adev); 14306b855f7bSHarish Kasiviswanathan 143199c7b309SLorenz Brun return devcgroup_check_permission(DEVCG_DEV_CHAR, DRM_MAJOR, 14326b855f7bSHarish Kasiviswanathan ddev->render->index, 14336b855f7bSHarish Kasiviswanathan DEVCG_ACC_WRITE | DEVCG_ACC_READ); 14346b855f7bSHarish Kasiviswanathan #else 14356b855f7bSHarish Kasiviswanathan return 0; 14366b855f7bSHarish Kasiviswanathan #endif 14376b855f7bSHarish Kasiviswanathan } 14386b855f7bSHarish Kasiviswanathan 143974c5b85dSMukul Joshi static inline bool kfd_is_first_node(struct kfd_node *node) 144074c5b85dSMukul Joshi { 144174c5b85dSMukul Joshi return (node == node->kfd->nodes[0]); 144274c5b85dSMukul Joshi } 144374c5b85dSMukul Joshi 1444851a645eSFelix Kuehling /* Debugfs */ 1445851a645eSFelix Kuehling #if defined(CONFIG_DEBUG_FS) 1446851a645eSFelix Kuehling 1447851a645eSFelix Kuehling void kfd_debugfs_init(void); 1448851a645eSFelix Kuehling void kfd_debugfs_fini(void); 1449851a645eSFelix Kuehling int kfd_debugfs_mqds_by_process(struct seq_file *m, void *data); 1450851a645eSFelix Kuehling int pqm_debugfs_mqds(struct seq_file *m, void *data); 1451851a645eSFelix Kuehling int kfd_debugfs_hqds_by_device(struct seq_file *m, void *data); 1452851a645eSFelix Kuehling int dqm_debugfs_hqds(struct seq_file *m, void *data); 1453851a645eSFelix Kuehling int kfd_debugfs_rls_by_device(struct seq_file *m, void *data); 1454851a645eSFelix Kuehling int pm_debugfs_runlist(struct seq_file *m, void *data); 1455851a645eSFelix Kuehling 14568dc1db31SMukul Joshi int kfd_debugfs_hang_hws(struct kfd_node *dev); 1457a29ec470SShaoyun Liu int pm_debugfs_hang_hws(struct packet_manager *pm); 14584f942aaeSOak Zeng int dqm_debugfs_hang_hws(struct device_queue_manager *dqm); 1459a29ec470SShaoyun Liu 1460851a645eSFelix Kuehling #else 1461851a645eSFelix Kuehling 1462851a645eSFelix Kuehling static inline void kfd_debugfs_init(void) {} 1463851a645eSFelix Kuehling static inline void kfd_debugfs_fini(void) {} 1464851a645eSFelix Kuehling 1465851a645eSFelix Kuehling #endif 1466851a645eSFelix Kuehling 14674a488a7aSOded Gabbay #endif 1468