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 */ 281*a75f2271SLijo Lazar uint32_t xcc_mask; /* Instance mask of XCCs present */ 282*a75f2271SLijo Lazar struct amdgpu_xcp *xcp; 283*a75f2271SLijo Lazar 2848dc1db31SMukul Joshi /* Interrupts */ 2858dc1db31SMukul Joshi struct kfifo ih_fifo; 2868dc1db31SMukul Joshi struct workqueue_struct *ih_wq; 2878dc1db31SMukul Joshi struct work_struct interrupt_work; 2888dc1db31SMukul Joshi spinlock_t interrupt_lock; 2898dc1db31SMukul Joshi 2908dc1db31SMukul Joshi /* 2918dc1db31SMukul Joshi * Interrupts of interest to KFD are copied 2928dc1db31SMukul Joshi * from the HW ring into a SW ring. 2938dc1db31SMukul Joshi */ 2948dc1db31SMukul Joshi bool interrupts_active; 2955fb34bd9SAlex Sierra uint32_t interrupt_bitmap; /* Only used for GFX 9.4.3 */ 2968dc1db31SMukul Joshi 2978dc1db31SMukul Joshi /* QCM Device instance */ 2988dc1db31SMukul Joshi struct device_queue_manager *dqm; 2998dc1db31SMukul Joshi 3008dc1db31SMukul Joshi /* Global GWS resource shared between processes */ 3018dc1db31SMukul Joshi void *gws; 3028dc1db31SMukul Joshi bool gws_debug_workaround; 3038dc1db31SMukul Joshi 3048dc1db31SMukul Joshi /* Clients watching SMI events */ 3058dc1db31SMukul Joshi struct list_head smi_clients; 3068dc1db31SMukul Joshi spinlock_t smi_lock; 3078dc1db31SMukul Joshi uint32_t reset_seq_num; 3088dc1db31SMukul Joshi 3098dc1db31SMukul Joshi /* SRAM ECC flag */ 3108dc1db31SMukul Joshi atomic_t sram_ecc_flag; 3118dc1db31SMukul Joshi 3128dc1db31SMukul Joshi /*spm process id */ 3138dc1db31SMukul Joshi unsigned int spm_pasid; 3148dc1db31SMukul Joshi 3158dc1db31SMukul Joshi /* Maximum process number mapped to HW scheduler */ 3168dc1db31SMukul Joshi unsigned int max_proc_per_quantum; 3178dc1db31SMukul Joshi 31874c5b85dSMukul Joshi unsigned int compute_vmid_bitmap; 31974c5b85dSMukul Joshi 3208dc1db31SMukul Joshi struct kfd_dev *kfd; 3218dc1db31SMukul Joshi }; 3228dc1db31SMukul Joshi 3234a488a7aSOded Gabbay struct kfd_dev { 324c6c57446SGraham Sider struct amdgpu_device *adev; 3254a488a7aSOded Gabbay 326f0dc99a6SGraham Sider struct kfd_device_info device_info; 3274a488a7aSOded Gabbay 32819f6d2a6SOded Gabbay phys_addr_t doorbell_base; /* Start of actual doorbells used by 32919f6d2a6SOded Gabbay * KFD. It is aligned for mapping 33019f6d2a6SOded Gabbay * into user mode 33119f6d2a6SOded Gabbay */ 332339903faSYong Zhao size_t doorbell_base_dw_offset; /* Offset from the start of the PCI 333339903faSYong Zhao * doorbell BAR to the first KFD 334339903faSYong Zhao * doorbell in dwords. GFX reserves 335339903faSYong Zhao * the segment before this offset. 33619f6d2a6SOded Gabbay */ 33719f6d2a6SOded Gabbay u32 __iomem *doorbell_kernel_ptr; /* This is a pointer for a doorbells 33819f6d2a6SOded Gabbay * page used by kernel queue 33919f6d2a6SOded Gabbay */ 34019f6d2a6SOded Gabbay 3414a488a7aSOded Gabbay struct kgd2kfd_shared_resources shared_resources; 342b179fc28SMukul Joshi struct kfd_local_mem_info local_mem_info; 3434a488a7aSOded Gabbay 344cea405b1SXihan Zhang const struct kfd2kgd_calls *kfd2kgd; 345cea405b1SXihan Zhang struct mutex doorbell_mutex; 346f761d8bdSJoe Perches DECLARE_BITMAP(doorbell_available_index, 347f761d8bdSJoe Perches KFD_MAX_NUM_OF_QUEUES_PER_PROCESS); 348cea405b1SXihan Zhang 34936b5c08fSOded Gabbay void *gtt_mem; 35036b5c08fSOded Gabbay uint64_t gtt_start_gpu_addr; 35136b5c08fSOded Gabbay void *gtt_start_cpu_ptr; 35236b5c08fSOded Gabbay void *gtt_sa_bitmap; 35336b5c08fSOded Gabbay struct mutex gtt_sa_lock; 35436b5c08fSOded Gabbay unsigned int gtt_sa_chunk_size; 35536b5c08fSOded Gabbay unsigned int gtt_sa_num_of_chunks; 35636b5c08fSOded Gabbay 357ed6e6a34SBen Goz bool init_complete; 358fbeb661bSYair Shachar 3595ade6c9cSFelix Kuehling /* Firmware versions */ 3605ade6c9cSFelix Kuehling uint16_t mec_fw_version; 36129633d0eSJoseph Greathouse uint16_t mec2_fw_version; 3625ade6c9cSFelix Kuehling uint16_t sdma_fw_version; 3635ade6c9cSFelix Kuehling 364373d7080SFelix Kuehling /* CWSR */ 365373d7080SFelix Kuehling bool cwsr_enabled; 366373d7080SFelix Kuehling const void *cwsr_isa; 367373d7080SFelix Kuehling unsigned int cwsr_isa_size; 3680c1690e3SShaoyun Liu 3690c1690e3SShaoyun Liu /* xGMI */ 3700c1690e3SShaoyun Liu uint64_t hive_id; 3710c663695SDivya Shikre 372d35f00d8SEric Huang bool pci_atomic_requested; 3739b54d201SEric Huang 3746127896fSHuang Rui /* Use IOMMU v2 flag */ 3756127896fSHuang Rui bool use_iommu_v2; 3766127896fSHuang Rui 377f756e631SHarish Kasiviswanathan /* Compute Profile ref. count */ 378f756e631SHarish Kasiviswanathan atomic_t compute_profile; 379e09d4fc8SOak Zeng 38059d7115dSMukul Joshi struct ida doorbell_ida; 38159d7115dSMukul Joshi unsigned int max_doorbell_slices; 3829b498efaSAlex Deucher 3839b498efaSAlex Deucher int noretry; 384814ab993SPhilip Yang 385814ab993SPhilip Yang /* HMM page migration MEMORY_DEVICE_PRIVATE mapping */ 386814ab993SPhilip Yang struct dev_pagemap pgmap; 3878dc1db31SMukul Joshi 38874c5b85dSMukul Joshi struct kfd_node *nodes[MAX_KFD_NODES]; 38974c5b85dSMukul Joshi unsigned int num_nodes; 3904a488a7aSOded Gabbay }; 3914a488a7aSOded Gabbay 39219f6d2a6SOded Gabbay enum kfd_mempool { 39319f6d2a6SOded Gabbay KFD_MEMPOOL_SYSTEM_CACHEABLE = 1, 39419f6d2a6SOded Gabbay KFD_MEMPOOL_SYSTEM_WRITECOMBINE = 2, 39519f6d2a6SOded Gabbay KFD_MEMPOOL_FRAMEBUFFER = 3, 39619f6d2a6SOded Gabbay }; 39719f6d2a6SOded Gabbay 3984a488a7aSOded Gabbay /* Character device interface */ 3994a488a7aSOded Gabbay int kfd_chardev_init(void); 4004a488a7aSOded Gabbay void kfd_chardev_exit(void); 4014a488a7aSOded Gabbay 402241f24f8SBen Goz /** 403a4497974SRajneesh Bhardwaj * enum kfd_unmap_queues_filter - Enum for queue filters. 404241f24f8SBen Goz * 4057da2bcf8SYong Zhao * @KFD_UNMAP_QUEUES_FILTER_ALL_QUEUES: Preempts all queues in the 406241f24f8SBen Goz * running queues list. 407241f24f8SBen Goz * 408d2cb0b21SJonathan Kim * @KFD_UNMAP_QUEUES_FILTER_DYNAMIC_QUEUES: Preempts all non-static queues 409d2cb0b21SJonathan Kim * in the run list. 410d2cb0b21SJonathan Kim * 4117da2bcf8SYong Zhao * @KFD_UNMAP_QUEUES_FILTER_BY_PASID: Preempts queues that belongs to 412241f24f8SBen Goz * specific process. 413241f24f8SBen Goz * 414241f24f8SBen Goz */ 4157da2bcf8SYong Zhao enum kfd_unmap_queues_filter { 416d2cb0b21SJonathan Kim KFD_UNMAP_QUEUES_FILTER_ALL_QUEUES = 1, 417d2cb0b21SJonathan Kim KFD_UNMAP_QUEUES_FILTER_DYNAMIC_QUEUES = 2, 418d2cb0b21SJonathan Kim KFD_UNMAP_QUEUES_FILTER_BY_PASID = 3 419241f24f8SBen Goz }; 42019f6d2a6SOded Gabbay 421ed8aab45SBen Goz /** 422a4497974SRajneesh Bhardwaj * enum kfd_queue_type - Enum for various queue types. 423ed8aab45SBen Goz * 424ed8aab45SBen Goz * @KFD_QUEUE_TYPE_COMPUTE: Regular user mode queue type. 425ed8aab45SBen Goz * 426a4497974SRajneesh Bhardwaj * @KFD_QUEUE_TYPE_SDMA: SDMA user mode queue type. 427ed8aab45SBen Goz * 428ed8aab45SBen Goz * @KFD_QUEUE_TYPE_HIQ: HIQ queue type. 429ed8aab45SBen Goz * 430ed8aab45SBen Goz * @KFD_QUEUE_TYPE_DIQ: DIQ queue type. 431a4497974SRajneesh Bhardwaj * 432a4497974SRajneesh Bhardwaj * @KFD_QUEUE_TYPE_SDMA_XGMI: Special SDMA queue for XGMI interface. 433ed8aab45SBen Goz */ 434ed8aab45SBen Goz enum kfd_queue_type { 435ed8aab45SBen Goz KFD_QUEUE_TYPE_COMPUTE, 436ed8aab45SBen Goz KFD_QUEUE_TYPE_SDMA, 437ed8aab45SBen Goz KFD_QUEUE_TYPE_HIQ, 4381b4670f6SOak Zeng KFD_QUEUE_TYPE_DIQ, 4391b4670f6SOak Zeng KFD_QUEUE_TYPE_SDMA_XGMI 440ed8aab45SBen Goz }; 441ed8aab45SBen Goz 4426e99df57SBen Goz enum kfd_queue_format { 4436e99df57SBen Goz KFD_QUEUE_FORMAT_PM4, 4446e99df57SBen Goz KFD_QUEUE_FORMAT_AQL 4456e99df57SBen Goz }; 4466e99df57SBen Goz 4470ccbc7cdSOak Zeng enum KFD_QUEUE_PRIORITY { 4480ccbc7cdSOak Zeng KFD_QUEUE_PRIORITY_MINIMUM = 0, 4490ccbc7cdSOak Zeng KFD_QUEUE_PRIORITY_MAXIMUM = 15 4500ccbc7cdSOak Zeng }; 4510ccbc7cdSOak Zeng 452ed8aab45SBen Goz /** 453ed8aab45SBen Goz * struct queue_properties 454ed8aab45SBen Goz * 455ed8aab45SBen Goz * @type: The queue type. 456ed8aab45SBen Goz * 457ed8aab45SBen Goz * @queue_id: Queue identifier. 458ed8aab45SBen Goz * 459ed8aab45SBen Goz * @queue_address: Queue ring buffer address. 460ed8aab45SBen Goz * 461ed8aab45SBen Goz * @queue_size: Queue ring buffer size. 462ed8aab45SBen Goz * 463ed8aab45SBen Goz * @priority: Defines the queue priority relative to other queues in the 464ed8aab45SBen Goz * process. 465ed8aab45SBen Goz * This is just an indication and HW scheduling may override the priority as 466ed8aab45SBen Goz * necessary while keeping the relative prioritization. 467ed8aab45SBen Goz * the priority granularity is from 0 to f which f is the highest priority. 468ed8aab45SBen Goz * currently all queues are initialized with the highest priority. 469ed8aab45SBen Goz * 470ed8aab45SBen Goz * @queue_percent: This field is partially implemented and currently a zero in 471ed8aab45SBen Goz * this field defines that the queue is non active. 472ed8aab45SBen Goz * 473ed8aab45SBen Goz * @read_ptr: User space address which points to the number of dwords the 474ed8aab45SBen Goz * cp read from the ring buffer. This field updates automatically by the H/W. 475ed8aab45SBen Goz * 476ed8aab45SBen Goz * @write_ptr: Defines the number of dwords written to the ring buffer. 477ed8aab45SBen Goz * 478a4497974SRajneesh Bhardwaj * @doorbell_ptr: Notifies the H/W of new packet written to the queue ring 479a4497974SRajneesh Bhardwaj * buffer. This field should be similar to write_ptr and the user should 480a4497974SRajneesh Bhardwaj * update this field after updating the write_ptr. 481ed8aab45SBen Goz * 482ed8aab45SBen Goz * @doorbell_off: The doorbell offset in the doorbell pci-bar. 483ed8aab45SBen Goz * 4848eabaf54SKent Russell * @is_interop: Defines if this is a interop queue. Interop queue means that 4858eabaf54SKent Russell * the queue can access both graphics and compute resources. 486ed8aab45SBen Goz * 48726103436SFelix Kuehling * @is_evicted: Defines if the queue is evicted. Only active queues 48826103436SFelix Kuehling * are evicted, rendering them inactive. 48926103436SFelix Kuehling * 49026103436SFelix Kuehling * @is_active: Defines if the queue is active or not. @is_active and 49126103436SFelix Kuehling * @is_evicted are protected by the DQM lock. 492ed8aab45SBen Goz * 493b8020b03SJoseph Greathouse * @is_gws: Defines if the queue has been updated to be GWS-capable or not. 494b8020b03SJoseph Greathouse * @is_gws should be protected by the DQM lock, since changing it can yield the 495b8020b03SJoseph Greathouse * possibility of updating DQM state on number of GWS queues. 496b8020b03SJoseph Greathouse * 497ed8aab45SBen Goz * @vmid: If the scheduling mode is no cp scheduling the field defines the vmid 498ed8aab45SBen Goz * of the queue. 499ed8aab45SBen Goz * 500ed8aab45SBen Goz * This structure represents the queue properties for each queue no matter if 501ed8aab45SBen Goz * it's user mode or kernel mode queue. 502ed8aab45SBen Goz * 503ed8aab45SBen Goz */ 5048668dfc3SDavid Yat Sin 505ed8aab45SBen Goz struct queue_properties { 506ed8aab45SBen Goz enum kfd_queue_type type; 5076e99df57SBen Goz enum kfd_queue_format format; 508ed8aab45SBen Goz unsigned int queue_id; 509ed8aab45SBen Goz uint64_t queue_address; 510ed8aab45SBen Goz uint64_t queue_size; 511ed8aab45SBen Goz uint32_t priority; 512ed8aab45SBen Goz uint32_t queue_percent; 513ed8aab45SBen Goz uint32_t *read_ptr; 514ed8aab45SBen Goz uint32_t *write_ptr; 515ada2b29cSFelix Kuehling void __iomem *doorbell_ptr; 516ed8aab45SBen Goz uint32_t doorbell_off; 517ed8aab45SBen Goz bool is_interop; 51826103436SFelix Kuehling bool is_evicted; 519ed8aab45SBen Goz bool is_active; 520b8020b03SJoseph Greathouse bool is_gws; 5213c8bdb51SMukul Joshi uint32_t pm4_target_xcc; 522ed8aab45SBen Goz /* Not relevant for user mode queues in cp scheduling */ 523ed8aab45SBen Goz unsigned int vmid; 52477669eb8SBen Goz /* Relevant only for sdma queues*/ 52577669eb8SBen Goz uint32_t sdma_engine_id; 52677669eb8SBen Goz uint32_t sdma_queue_id; 52777669eb8SBen Goz uint32_t sdma_vm_addr; 528ff3d04a1SBen Goz /* Relevant only for VI */ 529ff3d04a1SBen Goz uint64_t eop_ring_buffer_address; 530ff3d04a1SBen Goz uint32_t eop_ring_buffer_size; 531ff3d04a1SBen Goz uint64_t ctx_save_restore_area_address; 532ff3d04a1SBen Goz uint32_t ctx_save_restore_area_size; 533373d7080SFelix Kuehling uint32_t ctl_stack_size; 534373d7080SFelix Kuehling uint64_t tba_addr; 535373d7080SFelix Kuehling uint64_t tma_addr; 536ed8aab45SBen Goz }; 537ed8aab45SBen Goz 538bb2d2128SFelix Kuehling #define QUEUE_IS_ACTIVE(q) ((q).queue_size > 0 && \ 539bb2d2128SFelix Kuehling (q).queue_address != 0 && \ 540bb2d2128SFelix Kuehling (q).queue_percent > 0 && \ 541bb2d2128SFelix Kuehling !(q).is_evicted) 542bb2d2128SFelix Kuehling 5437c695a2cSLang Yu enum mqd_update_flag { 5447c695a2cSLang Yu UPDATE_FLAG_CU_MASK = 0, 5457c695a2cSLang Yu }; 5467c695a2cSLang Yu 5477c695a2cSLang Yu struct mqd_update_info { 5487c695a2cSLang Yu union { 5497c695a2cSLang Yu struct { 5507c695a2cSLang Yu uint32_t count; /* Must be a multiple of 32 */ 5517c695a2cSLang Yu uint32_t *ptr; 5527c695a2cSLang Yu } cu_mask; 5537c695a2cSLang Yu }; 5547c695a2cSLang Yu enum mqd_update_flag update_flag; 5557c695a2cSLang Yu }; 556c6e559ebSLang Yu 557ed8aab45SBen Goz /** 558ed8aab45SBen Goz * struct queue 559ed8aab45SBen Goz * 560ed8aab45SBen Goz * @list: Queue linked list. 561ed8aab45SBen Goz * 562a4497974SRajneesh Bhardwaj * @mqd: The queue MQD (memory queue descriptor). 563ed8aab45SBen Goz * 564ed8aab45SBen Goz * @mqd_mem_obj: The MQD local gpu memory object. 565ed8aab45SBen Goz * 566ed8aab45SBen Goz * @gart_mqd_addr: The MQD gart mc address. 567ed8aab45SBen Goz * 568ed8aab45SBen Goz * @properties: The queue properties. 569ed8aab45SBen Goz * 570ed8aab45SBen Goz * @mec: Used only in no cp scheduling mode and identifies to micro engine id 571a4497974SRajneesh Bhardwaj * that the queue should be executed on. 572ed8aab45SBen Goz * 5738eabaf54SKent Russell * @pipe: Used only in no cp scheduling mode and identifies the queue's pipe 5748eabaf54SKent Russell * id. 575ed8aab45SBen Goz * 576ed8aab45SBen Goz * @queue: Used only in no cp scheduliong mode and identifies the queue's slot. 577ed8aab45SBen Goz * 578ed8aab45SBen Goz * @process: The kfd process that created this queue. 579ed8aab45SBen Goz * 580ed8aab45SBen Goz * @device: The kfd device that created this queue. 581ed8aab45SBen Goz * 582eb82da1dSOak Zeng * @gws: Pointing to gws kgd_mem if this is a gws control queue; NULL 583eb82da1dSOak Zeng * otherwise. 584eb82da1dSOak Zeng * 585ed8aab45SBen Goz * This structure represents user mode compute queues. 586ed8aab45SBen Goz * It contains all the necessary data to handle such queues. 587ed8aab45SBen Goz * 588ed8aab45SBen Goz */ 589ed8aab45SBen Goz 590ed8aab45SBen Goz struct queue { 591ed8aab45SBen Goz struct list_head list; 592ed8aab45SBen Goz void *mqd; 593ed8aab45SBen Goz struct kfd_mem_obj *mqd_mem_obj; 594ed8aab45SBen Goz uint64_t gart_mqd_addr; 595ed8aab45SBen Goz struct queue_properties properties; 596ed8aab45SBen Goz 597ed8aab45SBen Goz uint32_t mec; 598ed8aab45SBen Goz uint32_t pipe; 599ed8aab45SBen Goz uint32_t queue; 600ed8aab45SBen Goz 60177669eb8SBen Goz unsigned int sdma_id; 602ef568db7SFelix Kuehling unsigned int doorbell_id; 60377669eb8SBen Goz 604ed8aab45SBen Goz struct kfd_process *process; 6058dc1db31SMukul Joshi struct kfd_node *device; 606eb82da1dSOak Zeng void *gws; 6076d220a7eSAmber Lin 6086d220a7eSAmber Lin /* procfs */ 6096d220a7eSAmber Lin struct kobject kobj; 610cc009e61SMukul Joshi 611cc009e61SMukul Joshi void *gang_ctx_bo; 612cc009e61SMukul Joshi uint64_t gang_ctx_gpu_addr; 613cc009e61SMukul Joshi void *gang_ctx_cpu_ptr; 614e77a541fSGraham Sider 615e77a541fSGraham Sider struct amdgpu_bo *wptr_bo; 616ed8aab45SBen Goz }; 617ed8aab45SBen Goz 6186e99df57SBen Goz enum KFD_MQD_TYPE { 619d7c0b047SYong Zhao KFD_MQD_TYPE_HIQ = 0, /* for hiq */ 62085d258f9SBen Goz KFD_MQD_TYPE_CP, /* for cp queues and diq */ 62185d258f9SBen Goz KFD_MQD_TYPE_SDMA, /* for sdma queues */ 62259f650a0SOak Zeng KFD_MQD_TYPE_DIQ, /* for diq */ 6236e99df57SBen Goz KFD_MQD_TYPE_MAX 6246e99df57SBen Goz }; 6256e99df57SBen Goz 6260ccbc7cdSOak Zeng enum KFD_PIPE_PRIORITY { 6270ccbc7cdSOak Zeng KFD_PIPE_PRIORITY_CS_LOW = 0, 6280ccbc7cdSOak Zeng KFD_PIPE_PRIORITY_CS_MEDIUM, 6290ccbc7cdSOak Zeng KFD_PIPE_PRIORITY_CS_HIGH 6300ccbc7cdSOak Zeng }; 6310ccbc7cdSOak Zeng 632241f24f8SBen Goz struct scheduling_resources { 633241f24f8SBen Goz unsigned int vmid_mask; 634241f24f8SBen Goz enum kfd_queue_type type; 635241f24f8SBen Goz uint64_t queue_mask; 636241f24f8SBen Goz uint64_t gws_mask; 637241f24f8SBen Goz uint32_t oac_mask; 638241f24f8SBen Goz uint32_t gds_heap_base; 639241f24f8SBen Goz uint32_t gds_heap_size; 640241f24f8SBen Goz }; 641241f24f8SBen Goz 642241f24f8SBen Goz struct process_queue_manager { 643241f24f8SBen Goz /* data */ 644241f24f8SBen Goz struct kfd_process *process; 645241f24f8SBen Goz struct list_head queues; 646241f24f8SBen Goz unsigned long *queue_slot_bitmap; 647241f24f8SBen Goz }; 648241f24f8SBen Goz 649241f24f8SBen Goz struct qcm_process_device { 650241f24f8SBen Goz /* The Device Queue Manager that owns this data */ 651241f24f8SBen Goz struct device_queue_manager *dqm; 652241f24f8SBen Goz struct process_queue_manager *pqm; 653241f24f8SBen Goz /* Queues list */ 654241f24f8SBen Goz struct list_head queues_list; 655241f24f8SBen Goz struct list_head priv_queue_list; 656241f24f8SBen Goz 657241f24f8SBen Goz unsigned int queue_count; 658241f24f8SBen Goz unsigned int vmid; 659241f24f8SBen Goz bool is_debug; 66026103436SFelix Kuehling unsigned int evicted; /* eviction counter, 0=active */ 6619fd3f1bfSFelix Kuehling 6629fd3f1bfSFelix Kuehling /* This flag tells if we should reset all wavefronts on 6639fd3f1bfSFelix Kuehling * process termination 6649fd3f1bfSFelix Kuehling */ 6659fd3f1bfSFelix Kuehling bool reset_wavefronts; 6669fd3f1bfSFelix Kuehling 667b8020b03SJoseph Greathouse /* This flag tells us if this process has a GWS-capable 668b8020b03SJoseph Greathouse * queue that will be mapped into the runlist. It's 669b8020b03SJoseph Greathouse * possible to request a GWS BO, but not have the queue 670b8020b03SJoseph Greathouse * currently mapped, and this changes how the MAP_PROCESS 671b8020b03SJoseph Greathouse * PM4 packet is configured. 672b8020b03SJoseph Greathouse */ 673b8020b03SJoseph Greathouse bool mapped_gws_queue; 674b8020b03SJoseph Greathouse 675a4497974SRajneesh Bhardwaj /* All the memory management data should be here too */ 676241f24f8SBen Goz uint64_t gds_context_area; 677435e2f97SYong Zhao /* Contains page table flags such as AMDGPU_PTE_VALID since gfx9 */ 678e715c6d0SShaoyun Liu uint64_t page_table_base; 679241f24f8SBen Goz uint32_t sh_mem_config; 680241f24f8SBen Goz uint32_t sh_mem_bases; 681241f24f8SBen Goz uint32_t sh_mem_ape1_base; 682241f24f8SBen Goz uint32_t sh_mem_ape1_limit; 683241f24f8SBen Goz uint32_t gds_size; 684241f24f8SBen Goz uint32_t num_gws; 685241f24f8SBen Goz uint32_t num_oac; 6866a1c9510SMoses Reuben uint32_t sh_hidden_private_base; 687373d7080SFelix Kuehling 688373d7080SFelix Kuehling /* CWSR memory */ 68968df0f19SLang Yu struct kgd_mem *cwsr_mem; 690373d7080SFelix Kuehling void *cwsr_kaddr; 691d01994c2SFelix Kuehling uint64_t cwsr_base; 692373d7080SFelix Kuehling uint64_t tba_addr; 693373d7080SFelix Kuehling uint64_t tma_addr; 694d01994c2SFelix Kuehling 695d01994c2SFelix Kuehling /* IB memory */ 69668df0f19SLang Yu struct kgd_mem *ib_mem; 697d01994c2SFelix Kuehling uint64_t ib_base; 698552764b6SFelix Kuehling void *ib_kaddr; 699ef568db7SFelix Kuehling 700ef568db7SFelix Kuehling /* doorbell resources per process per device */ 701ef568db7SFelix Kuehling unsigned long *doorbell_bitmap; 702241f24f8SBen Goz }; 703241f24f8SBen Goz 70426103436SFelix Kuehling /* KFD Memory Eviction */ 70526103436SFelix Kuehling 70626103436SFelix Kuehling /* Approx. wait time before attempting to restore evicted BOs */ 70726103436SFelix Kuehling #define PROCESS_RESTORE_TIME_MS 100 70826103436SFelix Kuehling /* Approx. back off time if restore fails due to lack of memory */ 70926103436SFelix Kuehling #define PROCESS_BACK_OFF_TIME_MS 100 71026103436SFelix Kuehling /* Approx. time before evicting the process again */ 71126103436SFelix Kuehling #define PROCESS_ACTIVE_TIME_MS 10 71226103436SFelix Kuehling 7135ec7e028SFelix Kuehling /* 8 byte handle containing GPU ID in the most significant 4 bytes and 7145ec7e028SFelix Kuehling * idr_handle in the least significant 4 bytes 7155ec7e028SFelix Kuehling */ 7165ec7e028SFelix Kuehling #define MAKE_HANDLE(gpu_id, idr_handle) \ 7175ec7e028SFelix Kuehling (((uint64_t)(gpu_id) << 32) + idr_handle) 7185ec7e028SFelix Kuehling #define GET_GPU_ID(handle) (handle >> 32) 7195ec7e028SFelix Kuehling #define GET_IDR_HANDLE(handle) (handle & 0xFFFFFFFF) 7205ec7e028SFelix Kuehling 721733fa1f7SYong Zhao enum kfd_pdd_bound { 722733fa1f7SYong Zhao PDD_UNBOUND = 0, 723733fa1f7SYong Zhao PDD_BOUND, 724733fa1f7SYong Zhao PDD_BOUND_SUSPENDED, 725733fa1f7SYong Zhao }; 726733fa1f7SYong Zhao 7274327bed2SPhilip Cox #define MAX_SYSFS_FILENAME_LEN 15 72832cb59f3SMukul Joshi 72932cb59f3SMukul Joshi /* 73032cb59f3SMukul Joshi * SDMA counter runs at 100MHz frequency. 73132cb59f3SMukul Joshi * We display SDMA activity in microsecond granularity in sysfs. 73232cb59f3SMukul Joshi * As a result, the divisor is 100. 73332cb59f3SMukul Joshi */ 73432cb59f3SMukul Joshi #define SDMA_ACTIVITY_DIVISOR 100 735d4566deeSMukul Joshi 73619f6d2a6SOded Gabbay /* Data that is per-process-per device. */ 73719f6d2a6SOded Gabbay struct kfd_process_device { 73819f6d2a6SOded Gabbay /* The device that owns this data. */ 7398dc1db31SMukul Joshi struct kfd_node *dev; 74019f6d2a6SOded Gabbay 7419fd3f1bfSFelix Kuehling /* The process that owns this kfd_process_device. */ 7429fd3f1bfSFelix Kuehling struct kfd_process *process; 74319f6d2a6SOded Gabbay 74445102048SBen Goz /* per-process-per device QCM data structure */ 74545102048SBen Goz struct qcm_process_device qpd; 74645102048SBen Goz 74719f6d2a6SOded Gabbay /*Apertures*/ 74819f6d2a6SOded Gabbay uint64_t lds_base; 74919f6d2a6SOded Gabbay uint64_t lds_limit; 75019f6d2a6SOded Gabbay uint64_t gpuvm_base; 75119f6d2a6SOded Gabbay uint64_t gpuvm_limit; 75219f6d2a6SOded Gabbay uint64_t scratch_base; 75319f6d2a6SOded Gabbay uint64_t scratch_limit; 75419f6d2a6SOded Gabbay 755403575c4SFelix Kuehling /* VM context for GPUVM allocations */ 756b84394e2SFelix Kuehling struct file *drm_file; 757b40a6ab2SFelix Kuehling void *drm_priv; 7588fde0248SPhilip Yang atomic64_t tlb_seq; 759403575c4SFelix Kuehling 76052b29d73SFelix Kuehling /* GPUVM allocations storage */ 76152b29d73SFelix Kuehling struct idr alloc_idr; 76252b29d73SFelix Kuehling 7639fd3f1bfSFelix Kuehling /* Flag used to tell the pdd has dequeued from the dqm. 7649fd3f1bfSFelix Kuehling * This is used to prevent dev->dqm->ops.process_termination() from 7659fd3f1bfSFelix Kuehling * being called twice when it is already called in IOMMU callback 7669fd3f1bfSFelix Kuehling * function. 767a82918f1SBen Goz */ 7689fd3f1bfSFelix Kuehling bool already_dequeued; 7699593f4d6SRajneesh Bhardwaj bool runtime_inuse; 77064d1c3a4SFelix Kuehling 77164d1c3a4SFelix Kuehling /* Is this process/pasid bound to this device? (amd_iommu_bind_pasid) */ 77264d1c3a4SFelix Kuehling enum kfd_pdd_bound bound; 773d4566deeSMukul Joshi 774d4566deeSMukul Joshi /* VRAM usage */ 775d4566deeSMukul Joshi uint64_t vram_usage; 776d4566deeSMukul Joshi struct attribute attr_vram; 77732cb59f3SMukul Joshi char vram_filename[MAX_SYSFS_FILENAME_LEN]; 77832cb59f3SMukul Joshi 77932cb59f3SMukul Joshi /* SDMA activity tracking */ 78032cb59f3SMukul Joshi uint64_t sdma_past_activity_counter; 78132cb59f3SMukul Joshi struct attribute attr_sdma; 78232cb59f3SMukul Joshi char sdma_filename[MAX_SYSFS_FILENAME_LEN]; 7834327bed2SPhilip Cox 7844327bed2SPhilip Cox /* Eviction activity tracking */ 7854327bed2SPhilip Cox uint64_t last_evict_timestamp; 7864327bed2SPhilip Cox atomic64_t evict_duration_counter; 7874327bed2SPhilip Cox struct attribute attr_evict; 7884327bed2SPhilip Cox 7894327bed2SPhilip Cox struct kobject *kobj_stats; 79059d7115dSMukul Joshi unsigned int doorbell_index; 791f2fa07b3SRamesh Errabolu 792f2fa07b3SRamesh Errabolu /* 793f2fa07b3SRamesh Errabolu * @cu_occupancy: Reports occupancy of Compute Units (CU) of a process 794f2fa07b3SRamesh Errabolu * that is associated with device encoded by "this" struct instance. The 795f2fa07b3SRamesh Errabolu * value reflects CU usage by all of the waves launched by this process 796f2fa07b3SRamesh Errabolu * on this device. A very important property of occupancy parameter is 797f2fa07b3SRamesh Errabolu * that its value is a snapshot of current use. 798f2fa07b3SRamesh Errabolu * 799f2fa07b3SRamesh Errabolu * Following is to be noted regarding how this parameter is reported: 800f2fa07b3SRamesh Errabolu * 801f2fa07b3SRamesh Errabolu * The number of waves that a CU can launch is limited by couple of 802f2fa07b3SRamesh Errabolu * parameters. These are encoded by struct amdgpu_cu_info instance 803f2fa07b3SRamesh Errabolu * that is part of every device definition. For GFX9 devices this 804f2fa07b3SRamesh Errabolu * translates to 40 waves (simd_per_cu * max_waves_per_simd) when waves 805f2fa07b3SRamesh Errabolu * do not use scratch memory and 32 waves (max_scratch_slots_per_cu) 806f2fa07b3SRamesh Errabolu * when they do use scratch memory. This could change for future 807f2fa07b3SRamesh Errabolu * devices and therefore this example should be considered as a guide. 808f2fa07b3SRamesh Errabolu * 809f2fa07b3SRamesh Errabolu * All CU's of a device are available for the process. This may not be true 810f2fa07b3SRamesh Errabolu * under certain conditions - e.g. CU masking. 811f2fa07b3SRamesh Errabolu * 812f2fa07b3SRamesh Errabolu * Finally number of CU's that are occupied by a process is affected by both 813f2fa07b3SRamesh Errabolu * number of CU's a device has along with number of other competing processes 814f2fa07b3SRamesh Errabolu */ 815f2fa07b3SRamesh Errabolu struct attribute attr_cu_occupancy; 816751580b3SPhilip Yang 817751580b3SPhilip Yang /* sysfs counters for GPU retry fault and page migration tracking */ 818751580b3SPhilip Yang struct kobject *kobj_counters; 819751580b3SPhilip Yang struct attribute attr_faults; 820751580b3SPhilip Yang struct attribute attr_page_in; 821751580b3SPhilip Yang struct attribute attr_page_out; 822751580b3SPhilip Yang uint64_t faults; 823751580b3SPhilip Yang uint64_t page_in; 824751580b3SPhilip Yang uint64_t page_out; 825bef153b7SDavid Yat Sin /* 826bef153b7SDavid Yat Sin * If this process has been checkpointed before, then the user 827bef153b7SDavid Yat Sin * application will use the original gpu_id on the 828bef153b7SDavid Yat Sin * checkpointed node to refer to this device. 829bef153b7SDavid Yat Sin */ 830bef153b7SDavid Yat Sin uint32_t user_gpu_id; 831cc009e61SMukul Joshi 832cc009e61SMukul Joshi void *proc_ctx_bo; 833cc009e61SMukul Joshi uint64_t proc_ctx_gpu_addr; 834cc009e61SMukul Joshi void *proc_ctx_cpu_ptr; 83519f6d2a6SOded Gabbay }; 83619f6d2a6SOded Gabbay 83752a5fdceSAlexey Skidanov #define qpd_to_pdd(x) container_of(x, struct kfd_process_device, qpd) 83852a5fdceSAlexey Skidanov 83942de677fSPhilip Yang struct svm_range_list { 84042de677fSPhilip Yang struct mutex lock; 84142de677fSPhilip Yang struct rb_root_cached objects; 84242de677fSPhilip Yang struct list_head list; 8434683cfecSPhilip Yang struct work_struct deferred_list_work; 8444683cfecSPhilip Yang struct list_head deferred_range_list; 845c2db32ceSRajneesh Bhardwaj struct list_head criu_svm_metadata_list; 8464683cfecSPhilip Yang spinlock_t deferred_list_lock; 8478a7c184aSFelix Kuehling atomic_t evicted_ranges; 8482e447728SPhilip Yang atomic_t drain_pagefaults; 8498a7c184aSFelix Kuehling struct delayed_work restore_work; 8505a75ea56SFelix Kuehling DECLARE_BITMAP(bitmap_supported, MAX_GPU_INSTANCE); 851a6283010SAlex Sierra struct task_struct *faulting_task; 85242de677fSPhilip Yang }; 85342de677fSPhilip Yang 8544a488a7aSOded Gabbay /* Process data */ 8554a488a7aSOded Gabbay struct kfd_process { 85619f6d2a6SOded Gabbay /* 85719f6d2a6SOded Gabbay * kfd_process are stored in an mm_struct*->kfd_process* 85819f6d2a6SOded Gabbay * hash table (kfd_processes in kfd_process.c) 85919f6d2a6SOded Gabbay */ 86019f6d2a6SOded Gabbay struct hlist_node kfd_processes; 86119f6d2a6SOded Gabbay 8629b56bb11SFelix Kuehling /* 8639b56bb11SFelix Kuehling * Opaque pointer to mm_struct. We don't hold a reference to 8649b56bb11SFelix Kuehling * it so it should never be dereferenced from here. This is 8659b56bb11SFelix Kuehling * only used for looking up processes by their mm. 8669b56bb11SFelix Kuehling */ 8679b56bb11SFelix Kuehling void *mm; 86819f6d2a6SOded Gabbay 8695ce10687SFelix Kuehling struct kref ref; 8705ce10687SFelix Kuehling struct work_struct release_work; 8715ce10687SFelix Kuehling 87219f6d2a6SOded Gabbay struct mutex mutex; 87319f6d2a6SOded Gabbay 87419f6d2a6SOded Gabbay /* 87519f6d2a6SOded Gabbay * In any process, the thread that started main() is the lead 87619f6d2a6SOded Gabbay * thread and outlives the rest. 87719f6d2a6SOded Gabbay * It is here because amd_iommu_bind_pasid wants a task_struct. 878894a8293SFelix Kuehling * It can also be used for safely getting a reference to the 879894a8293SFelix Kuehling * mm_struct of the process. 88019f6d2a6SOded Gabbay */ 88119f6d2a6SOded Gabbay struct task_struct *lead_thread; 88219f6d2a6SOded Gabbay 88319f6d2a6SOded Gabbay /* We want to receive a notification when the mm_struct is destroyed */ 88419f6d2a6SOded Gabbay struct mmu_notifier mmu_notifier; 88519f6d2a6SOded Gabbay 886c7b6bac9SFenghua Yu u32 pasid; 88719f6d2a6SOded Gabbay 88819f6d2a6SOded Gabbay /* 8896ae27841SAlex Sierra * Array of kfd_process_device pointers, 89019f6d2a6SOded Gabbay * one for each device the process is using. 89119f6d2a6SOded Gabbay */ 8926ae27841SAlex Sierra struct kfd_process_device *pdds[MAX_GPU_INSTANCE]; 8936ae27841SAlex Sierra uint32_t n_pdds; 89419f6d2a6SOded Gabbay 89545102048SBen Goz struct process_queue_manager pqm; 89645102048SBen Goz 89719f6d2a6SOded Gabbay /*Is the user space process 32 bit?*/ 89819f6d2a6SOded Gabbay bool is_32bit_user_mode; 899f3a39818SAndrew Lewycky 900f3a39818SAndrew Lewycky /* Event-related data */ 901f3a39818SAndrew Lewycky struct mutex event_mutex; 902482f0777SFelix Kuehling /* Event ID allocator and lookup */ 903482f0777SFelix Kuehling struct idr event_idr; 90450cb7dd9SFelix Kuehling /* Event page */ 90568df0f19SLang Yu u64 signal_handle; 90650cb7dd9SFelix Kuehling struct kfd_signal_page *signal_page; 907b9a5d0a5SFelix Kuehling size_t signal_mapped_size; 908f3a39818SAndrew Lewycky size_t signal_event_count; 909c986169fSFelix Kuehling bool signal_event_limit_reached; 910403575c4SFelix Kuehling 911403575c4SFelix Kuehling /* Information used for memory eviction */ 912403575c4SFelix Kuehling void *kgd_process_info; 913403575c4SFelix Kuehling /* Eviction fence that is attached to all the BOs of this process. The 914403575c4SFelix Kuehling * fence will be triggered during eviction and new one will be created 915403575c4SFelix Kuehling * during restore 916403575c4SFelix Kuehling */ 917403575c4SFelix Kuehling struct dma_fence *ef; 91826103436SFelix Kuehling 91926103436SFelix Kuehling /* Work items for evicting and restoring BOs */ 92026103436SFelix Kuehling struct delayed_work eviction_work; 92126103436SFelix Kuehling struct delayed_work restore_work; 92226103436SFelix Kuehling /* seqno of the last scheduled eviction */ 92326103436SFelix Kuehling unsigned int last_eviction_seqno; 92426103436SFelix Kuehling /* Approx. the last timestamp (in jiffies) when the process was 92526103436SFelix Kuehling * restored after an eviction 92626103436SFelix Kuehling */ 92726103436SFelix Kuehling unsigned long last_restore_timestamp; 928de9f26bbSKent Russell 929de9f26bbSKent Russell /* Kobj for our procfs */ 930de9f26bbSKent Russell struct kobject *kobj; 9316d220a7eSAmber Lin struct kobject *kobj_queues; 932de9f26bbSKent Russell struct attribute attr_pasid; 93340ce74d1SPhilip Yang 93442de677fSPhilip Yang /* shared virtual memory registered by this process */ 93542de677fSPhilip Yang struct svm_range_list svms; 936063e33c5SAlex Sierra 937063e33c5SAlex Sierra bool xnack_enabled; 938b6485bedSTao Zhou 939b6485bedSTao Zhou atomic_t poison; 940cd9f7910SDavid Yat Sin /* Queues are in paused stated because we are in the process of doing a CRIU checkpoint */ 941cd9f7910SDavid Yat Sin bool queues_paused; 9424a488a7aSOded Gabbay }; 9434a488a7aSOded Gabbay 94464d1c3a4SFelix Kuehling #define KFD_PROCESS_TABLE_SIZE 5 /* bits: 32 entries */ 94564d1c3a4SFelix Kuehling extern DECLARE_HASHTABLE(kfd_processes_table, KFD_PROCESS_TABLE_SIZE); 94664d1c3a4SFelix Kuehling extern struct srcu_struct kfd_processes_srcu; 94764d1c3a4SFelix Kuehling 94876baee6cSOded Gabbay /** 949a4497974SRajneesh Bhardwaj * typedef amdkfd_ioctl_t - typedef for ioctl function pointer. 95076baee6cSOded Gabbay * 951a4497974SRajneesh Bhardwaj * @filep: pointer to file structure. 952a4497974SRajneesh Bhardwaj * @p: amdkfd process pointer. 953a4497974SRajneesh Bhardwaj * @data: pointer to arg that was copied from user. 954a4497974SRajneesh Bhardwaj * 955a4497974SRajneesh Bhardwaj * Return: returns ioctl completion code. 95676baee6cSOded Gabbay */ 95776baee6cSOded Gabbay typedef int amdkfd_ioctl_t(struct file *filep, struct kfd_process *p, 95876baee6cSOded Gabbay void *data); 95976baee6cSOded Gabbay 96076baee6cSOded Gabbay struct amdkfd_ioctl_desc { 96176baee6cSOded Gabbay unsigned int cmd; 96276baee6cSOded Gabbay int flags; 96376baee6cSOded Gabbay amdkfd_ioctl_t *func; 96476baee6cSOded Gabbay unsigned int cmd_drv; 96576baee6cSOded Gabbay const char *name; 96676baee6cSOded Gabbay }; 9678dc1db31SMukul Joshi bool kfd_dev_is_large_bar(struct kfd_node *dev); 96876baee6cSOded Gabbay 9691679ae8fSFelix Kuehling int kfd_process_create_wq(void); 97019f6d2a6SOded Gabbay void kfd_process_destroy_wq(void); 97122e3d934SDavid Belanger void kfd_cleanup_processes(void); 972373d7080SFelix Kuehling struct kfd_process *kfd_create_process(struct file *filep); 9732243f493SRajneesh Bhardwaj struct kfd_process *kfd_get_process(const struct task_struct *task); 974c7b6bac9SFenghua Yu struct kfd_process *kfd_lookup_process_by_pasid(u32 pasid); 97526103436SFelix Kuehling struct kfd_process *kfd_lookup_process_by_mm(const struct mm_struct *mm); 9762aeb742bSAlex Sierra 9772aeb742bSAlex Sierra int kfd_process_gpuidx_from_gpuid(struct kfd_process *p, uint32_t gpu_id); 9785fb34bd9SAlex Sierra int kfd_process_gpuid_from_node(struct kfd_process *p, struct kfd_node *node, 9795fb34bd9SAlex Sierra uint32_t *gpuid, uint32_t *gpuidx); 9802aeb742bSAlex Sierra static inline int kfd_process_gpuid_from_gpuidx(struct kfd_process *p, 9812aeb742bSAlex Sierra uint32_t gpuidx, uint32_t *gpuid) { 9822aeb742bSAlex Sierra return gpuidx < p->n_pdds ? p->pdds[gpuidx]->dev->id : -EINVAL; 9832aeb742bSAlex Sierra } 9842aeb742bSAlex Sierra static inline struct kfd_process_device *kfd_process_device_from_gpuidx( 9852aeb742bSAlex Sierra struct kfd_process *p, uint32_t gpuidx) { 9862aeb742bSAlex Sierra return gpuidx < p->n_pdds ? p->pdds[gpuidx] : NULL; 9872aeb742bSAlex Sierra } 9882aeb742bSAlex Sierra 989abb208a8SFelix Kuehling void kfd_unref_process(struct kfd_process *p); 990c7f21978SPhilip Yang int kfd_process_evict_queues(struct kfd_process *p, uint32_t trigger); 9916b95e797SFelix Kuehling int kfd_process_restore_queues(struct kfd_process *p); 99226103436SFelix Kuehling void kfd_suspend_all_processes(void); 99326103436SFelix Kuehling int kfd_resume_all_processes(void); 99419f6d2a6SOded Gabbay 995bef153b7SDavid Yat Sin struct kfd_process_device *kfd_process_device_data_by_id(struct kfd_process *process, 996bef153b7SDavid Yat Sin uint32_t gpu_id); 997bef153b7SDavid Yat Sin 998bef153b7SDavid Yat Sin int kfd_process_get_user_gpu_id(struct kfd_process *p, uint32_t actual_gpu_id); 999bef153b7SDavid Yat Sin 1000b84394e2SFelix Kuehling int kfd_process_device_init_vm(struct kfd_process_device *pdd, 1001b84394e2SFelix Kuehling struct file *drm_file); 10028dc1db31SMukul Joshi struct kfd_process_device *kfd_bind_process_to_device(struct kfd_node *dev, 100364c7f8cfSBen Goz struct kfd_process *p); 10048dc1db31SMukul Joshi struct kfd_process_device *kfd_get_process_device_data(struct kfd_node *dev, 1005093c7d8cSAlexey Skidanov struct kfd_process *p); 10068dc1db31SMukul Joshi struct kfd_process_device *kfd_create_process_device_data(struct kfd_node *dev, 1007093c7d8cSAlexey Skidanov struct kfd_process *p); 100819f6d2a6SOded Gabbay 1009063e33c5SAlex Sierra bool kfd_process_xnack_mode(struct kfd_process *p, bool supported); 1010063e33c5SAlex Sierra 10118dc1db31SMukul Joshi int kfd_reserved_mem_mmap(struct kfd_node *dev, struct kfd_process *process, 1012373d7080SFelix Kuehling struct vm_area_struct *vma); 1013373d7080SFelix Kuehling 101452b29d73SFelix Kuehling /* KFD process API for creating and translating handles */ 101552b29d73SFelix Kuehling int kfd_process_device_create_obj_handle(struct kfd_process_device *pdd, 101652b29d73SFelix Kuehling void *mem); 101752b29d73SFelix Kuehling void *kfd_process_device_translate_handle(struct kfd_process_device *p, 101852b29d73SFelix Kuehling int handle); 101952b29d73SFelix Kuehling void kfd_process_device_remove_obj_handle(struct kfd_process_device *pdd, 102052b29d73SFelix Kuehling int handle); 1021011bbb03SRajneesh Bhardwaj struct kfd_process *kfd_lookup_process_by_pid(struct pid *pid); 102252b29d73SFelix Kuehling 102319f6d2a6SOded Gabbay /* PASIDs */ 102419f6d2a6SOded Gabbay int kfd_pasid_init(void); 102519f6d2a6SOded Gabbay void kfd_pasid_exit(void); 102619f6d2a6SOded Gabbay bool kfd_set_pasid_limit(unsigned int new_limit); 102719f6d2a6SOded Gabbay unsigned int kfd_get_pasid_limit(void); 1028c7b6bac9SFenghua Yu u32 kfd_pasid_alloc(void); 1029c7b6bac9SFenghua Yu void kfd_pasid_free(u32 pasid); 103019f6d2a6SOded Gabbay 103119f6d2a6SOded Gabbay /* Doorbells */ 1032ef568db7SFelix Kuehling size_t kfd_doorbell_process_slice(struct kfd_dev *kfd); 1033735df2baSFelix Kuehling int kfd_doorbell_init(struct kfd_dev *kfd); 1034735df2baSFelix Kuehling void kfd_doorbell_fini(struct kfd_dev *kfd); 10358dc1db31SMukul Joshi int kfd_doorbell_mmap(struct kfd_node *dev, struct kfd_process *process, 1036df03ef93SHarish Kasiviswanathan struct vm_area_struct *vma); 1037ada2b29cSFelix Kuehling void __iomem *kfd_get_kernel_doorbell(struct kfd_dev *kfd, 103819f6d2a6SOded Gabbay unsigned int *doorbell_off); 103919f6d2a6SOded Gabbay void kfd_release_kernel_doorbell(struct kfd_dev *kfd, u32 __iomem *db_addr); 104019f6d2a6SOded Gabbay u32 read_kernel_doorbell(u32 __iomem *db); 1041ada2b29cSFelix Kuehling void write_kernel_doorbell(void __iomem *db, u32 value); 10429d7d0248SFelix Kuehling void write_kernel_doorbell64(void __iomem *db, u64 value); 1043339903faSYong Zhao unsigned int kfd_get_doorbell_dw_offset_in_bar(struct kfd_dev *kfd, 104459d7115dSMukul Joshi struct kfd_process_device *pdd, 1045ef568db7SFelix Kuehling unsigned int doorbell_id); 104659d7115dSMukul Joshi phys_addr_t kfd_get_process_doorbells(struct kfd_process_device *pdd); 104759d7115dSMukul Joshi int kfd_alloc_process_doorbells(struct kfd_dev *kfd, 104859d7115dSMukul Joshi unsigned int *doorbell_index); 104959d7115dSMukul Joshi void kfd_free_process_doorbells(struct kfd_dev *kfd, 105059d7115dSMukul Joshi unsigned int doorbell_index); 10516e81090bSOded Gabbay /* GTT Sub-Allocator */ 10526e81090bSOded Gabbay 10538dc1db31SMukul Joshi int kfd_gtt_sa_allocate(struct kfd_node *node, unsigned int size, 10546e81090bSOded Gabbay struct kfd_mem_obj **mem_obj); 10556e81090bSOded Gabbay 10568dc1db31SMukul Joshi int kfd_gtt_sa_free(struct kfd_node *node, struct kfd_mem_obj *mem_obj); 10576e81090bSOded Gabbay 10584a488a7aSOded Gabbay extern struct device *kfd_device; 10594a488a7aSOded Gabbay 1060de9f26bbSKent Russell /* KFD's procfs */ 1061de9f26bbSKent Russell void kfd_procfs_init(void); 1062de9f26bbSKent Russell void kfd_procfs_shutdown(void); 10636d220a7eSAmber Lin int kfd_procfs_add_queue(struct queue *q); 10646d220a7eSAmber Lin void kfd_procfs_del_queue(struct queue *q); 1065de9f26bbSKent Russell 10665b5c4e40SEvgeny Pinchuk /* Topology */ 10675b5c4e40SEvgeny Pinchuk int kfd_topology_init(void); 10685b5c4e40SEvgeny Pinchuk void kfd_topology_shutdown(void); 10698dc1db31SMukul Joshi int kfd_topology_add_device(struct kfd_node *gpu); 10708dc1db31SMukul Joshi int kfd_topology_remove_device(struct kfd_node *gpu); 10713a87177eSHarish Kasiviswanathan struct kfd_topology_device *kfd_topology_device_by_proximity_domain( 10723a87177eSHarish Kasiviswanathan uint32_t proximity_domain); 107346d18d51SMukul Joshi struct kfd_topology_device *kfd_topology_device_by_proximity_domain_no_lock( 107446d18d51SMukul Joshi uint32_t proximity_domain); 107544d8cc6fSYong Zhao struct kfd_topology_device *kfd_topology_device_by_id(uint32_t gpu_id); 10768dc1db31SMukul Joshi struct kfd_node *kfd_device_by_id(uint32_t gpu_id); 10778dc1db31SMukul Joshi struct kfd_node *kfd_device_by_pci_dev(const struct pci_dev *pdev); 10788dc1db31SMukul Joshi struct kfd_node *kfd_device_by_adev(const struct amdgpu_device *adev); 1079f5fe7edfSMukul Joshi static inline bool kfd_irq_is_from_node(struct kfd_node *node, uint32_t node_id, 1080f5fe7edfSMukul Joshi uint32_t vmid) 10815fb34bd9SAlex Sierra { 1082f5fe7edfSMukul Joshi return (node->interrupt_bitmap & (1 << node_id)) != 0 && 1083f5fe7edfSMukul Joshi (node->compute_vmid_bitmap & (1 << vmid)) != 0; 10845fb34bd9SAlex Sierra } 10855fb34bd9SAlex Sierra static inline struct kfd_node *kfd_node_by_irq_ids(struct amdgpu_device *adev, 1086f5fe7edfSMukul Joshi uint32_t node_id, uint32_t vmid) { 10875fb34bd9SAlex Sierra struct kfd_dev *dev = adev->kfd.dev; 10885fb34bd9SAlex Sierra uint32_t i; 10895fb34bd9SAlex Sierra 10905fb34bd9SAlex Sierra if (adev->ip_versions[GC_HWIP][0] != IP_VERSION(9, 4, 3)) 10915fb34bd9SAlex Sierra return dev->nodes[0]; 10925fb34bd9SAlex Sierra 10935fb34bd9SAlex Sierra for (i = 0; i < dev->num_nodes; i++) 1094f5fe7edfSMukul Joshi if (kfd_irq_is_from_node(dev->nodes[i], node_id, vmid)) 10955fb34bd9SAlex Sierra return dev->nodes[i]; 10965fb34bd9SAlex Sierra 10975fb34bd9SAlex Sierra return NULL; 10985fb34bd9SAlex Sierra } 10998dc1db31SMukul Joshi int kfd_topology_enum_kfd_devices(uint8_t idx, struct kfd_node **kdev); 1100520b8fb7SFelix Kuehling int kfd_numa_node_to_apic_id(int numa_node_id); 11016127896fSHuang Rui void kfd_double_confirm_iommu_support(struct kfd_dev *gpu); 11025b5c4e40SEvgeny Pinchuk 11034a488a7aSOded Gabbay /* Interrupts */ 11048dc1db31SMukul Joshi int kfd_interrupt_init(struct kfd_node *dev); 11058dc1db31SMukul Joshi void kfd_interrupt_exit(struct kfd_node *dev); 11068dc1db31SMukul Joshi bool enqueue_ih_ring_entry(struct kfd_node *kfd, const void *ih_ring_entry); 11078dc1db31SMukul Joshi bool interrupt_is_wanted(struct kfd_node *dev, 110858e69886SLan Xiao const uint32_t *ih_ring_entry, 110958e69886SLan Xiao uint32_t *patched_ihre, bool *flag); 11104a488a7aSOded Gabbay 111119f6d2a6SOded Gabbay /* amdkfd Apertures */ 111219f6d2a6SOded Gabbay int kfd_init_apertures(struct kfd_process *process); 111319f6d2a6SOded Gabbay 11147c9631afSJay Cornwall void kfd_process_set_trap_handler(struct qcm_process_device *qpd, 11157c9631afSJay Cornwall uint64_t tba_addr, 11167c9631afSJay Cornwall uint64_t tma_addr); 11177c9631afSJay Cornwall 111836988070SRajneesh Bhardwaj /* CRIU */ 111936988070SRajneesh Bhardwaj /* 112036988070SRajneesh Bhardwaj * Need to increment KFD_CRIU_PRIV_VERSION each time a change is made to any of the CRIU private 112136988070SRajneesh Bhardwaj * structures: 112236988070SRajneesh Bhardwaj * kfd_criu_process_priv_data 112336988070SRajneesh Bhardwaj * kfd_criu_device_priv_data 112436988070SRajneesh Bhardwaj * kfd_criu_bo_priv_data 112536988070SRajneesh Bhardwaj * kfd_criu_queue_priv_data 112636988070SRajneesh Bhardwaj * kfd_criu_event_priv_data 112736988070SRajneesh Bhardwaj * kfd_criu_svm_range_priv_data 112836988070SRajneesh Bhardwaj */ 112936988070SRajneesh Bhardwaj 113036988070SRajneesh Bhardwaj #define KFD_CRIU_PRIV_VERSION 1 113136988070SRajneesh Bhardwaj 113236988070SRajneesh Bhardwaj struct kfd_criu_process_priv_data { 113336988070SRajneesh Bhardwaj uint32_t version; 11344717fe3dSRajneesh Bhardwaj uint32_t xnack_mode; 113536988070SRajneesh Bhardwaj }; 113636988070SRajneesh Bhardwaj 113736988070SRajneesh Bhardwaj struct kfd_criu_device_priv_data { 113836988070SRajneesh Bhardwaj /* For future use */ 113936988070SRajneesh Bhardwaj uint64_t reserved; 114036988070SRajneesh Bhardwaj }; 114136988070SRajneesh Bhardwaj 114236988070SRajneesh Bhardwaj struct kfd_criu_bo_priv_data { 11435ccbb057SRajneesh Bhardwaj uint64_t user_addr; 11445ccbb057SRajneesh Bhardwaj uint32_t idr_handle; 11455ccbb057SRajneesh Bhardwaj uint32_t mapped_gpuids[MAX_GPU_INSTANCE]; 114636988070SRajneesh Bhardwaj }; 114736988070SRajneesh Bhardwaj 1148626f7b31SDavid Yat Sin /* 1149626f7b31SDavid Yat Sin * The first 4 bytes of kfd_criu_queue_priv_data, kfd_criu_event_priv_data, 1150626f7b31SDavid Yat Sin * kfd_criu_svm_range_priv_data is the object type 1151626f7b31SDavid Yat Sin */ 1152626f7b31SDavid Yat Sin enum kfd_criu_object_type { 1153626f7b31SDavid Yat Sin KFD_CRIU_OBJECT_TYPE_QUEUE, 1154626f7b31SDavid Yat Sin KFD_CRIU_OBJECT_TYPE_EVENT, 1155626f7b31SDavid Yat Sin KFD_CRIU_OBJECT_TYPE_SVM_RANGE, 1156626f7b31SDavid Yat Sin }; 1157626f7b31SDavid Yat Sin 115836988070SRajneesh Bhardwaj struct kfd_criu_svm_range_priv_data { 115936988070SRajneesh Bhardwaj uint32_t object_type; 116008a987a8SRajneesh Bhardwaj uint64_t start_addr; 116108a987a8SRajneesh Bhardwaj uint64_t size; 116208a987a8SRajneesh Bhardwaj /* Variable length array of attributes */ 1163d5c83156SChangcheng Deng struct kfd_ioctl_svm_attribute attrs[]; 116436988070SRajneesh Bhardwaj }; 116536988070SRajneesh Bhardwaj 116636988070SRajneesh Bhardwaj struct kfd_criu_queue_priv_data { 116736988070SRajneesh Bhardwaj uint32_t object_type; 1168626f7b31SDavid Yat Sin uint64_t q_address; 1169626f7b31SDavid Yat Sin uint64_t q_size; 1170626f7b31SDavid Yat Sin uint64_t read_ptr_addr; 1171626f7b31SDavid Yat Sin uint64_t write_ptr_addr; 1172626f7b31SDavid Yat Sin uint64_t doorbell_off; 1173626f7b31SDavid Yat Sin uint64_t eop_ring_buffer_address; 1174626f7b31SDavid Yat Sin uint64_t ctx_save_restore_area_address; 1175626f7b31SDavid Yat Sin uint32_t gpu_id; 1176626f7b31SDavid Yat Sin uint32_t type; 1177626f7b31SDavid Yat Sin uint32_t format; 1178626f7b31SDavid Yat Sin uint32_t q_id; 1179626f7b31SDavid Yat Sin uint32_t priority; 1180626f7b31SDavid Yat Sin uint32_t q_percent; 1181626f7b31SDavid Yat Sin uint32_t doorbell_id; 1182747eea07SDavid Yat Sin uint32_t gws; 1183626f7b31SDavid Yat Sin uint32_t sdma_id; 1184626f7b31SDavid Yat Sin uint32_t eop_ring_buffer_size; 1185626f7b31SDavid Yat Sin uint32_t ctx_save_restore_area_size; 1186626f7b31SDavid Yat Sin uint32_t ctl_stack_size; 1187626f7b31SDavid Yat Sin uint32_t mqd_size; 118836988070SRajneesh Bhardwaj }; 118936988070SRajneesh Bhardwaj 119036988070SRajneesh Bhardwaj struct kfd_criu_event_priv_data { 119136988070SRajneesh Bhardwaj uint32_t object_type; 119240e8a766SDavid Yat Sin uint64_t user_handle; 119340e8a766SDavid Yat Sin uint32_t event_id; 119440e8a766SDavid Yat Sin uint32_t auto_reset; 119540e8a766SDavid Yat Sin uint32_t type; 119640e8a766SDavid Yat Sin uint32_t signaled; 119740e8a766SDavid Yat Sin 119840e8a766SDavid Yat Sin union { 119940e8a766SDavid Yat Sin struct kfd_hsa_memory_exception_data memory_exception_data; 120040e8a766SDavid Yat Sin struct kfd_hsa_hw_exception_data hw_exception_data; 120140e8a766SDavid Yat Sin }; 120236988070SRajneesh Bhardwaj }; 120336988070SRajneesh Bhardwaj 1204626f7b31SDavid Yat Sin int kfd_process_get_queue_info(struct kfd_process *p, 1205626f7b31SDavid Yat Sin uint32_t *num_queues, 1206626f7b31SDavid Yat Sin uint64_t *priv_data_sizes); 1207626f7b31SDavid Yat Sin 1208626f7b31SDavid Yat Sin int kfd_criu_checkpoint_queues(struct kfd_process *p, 1209626f7b31SDavid Yat Sin uint8_t __user *user_priv_data, 1210626f7b31SDavid Yat Sin uint64_t *priv_data_offset); 1211626f7b31SDavid Yat Sin 1212626f7b31SDavid Yat Sin int kfd_criu_restore_queue(struct kfd_process *p, 1213626f7b31SDavid Yat Sin uint8_t __user *user_priv_data, 1214626f7b31SDavid Yat Sin uint64_t *priv_data_offset, 1215626f7b31SDavid Yat Sin uint64_t max_priv_data_size); 121640e8a766SDavid Yat Sin 121740e8a766SDavid Yat Sin int kfd_criu_checkpoint_events(struct kfd_process *p, 121840e8a766SDavid Yat Sin uint8_t __user *user_priv_data, 121940e8a766SDavid Yat Sin uint64_t *priv_data_offset); 122040e8a766SDavid Yat Sin 122140e8a766SDavid Yat Sin int kfd_criu_restore_event(struct file *devkfd, 122240e8a766SDavid Yat Sin struct kfd_process *p, 122340e8a766SDavid Yat Sin uint8_t __user *user_priv_data, 122440e8a766SDavid Yat Sin uint64_t *priv_data_offset, 122540e8a766SDavid Yat Sin uint64_t max_priv_data_size); 122636988070SRajneesh Bhardwaj /* CRIU - End */ 122736988070SRajneesh Bhardwaj 1228ed6e6a34SBen Goz /* Queue Context Management */ 1229e88a614cSEdward O'Callaghan int init_queue(struct queue **q, const struct queue_properties *properties); 1230ed6e6a34SBen Goz void uninit_queue(struct queue *q); 123145102048SBen Goz void print_queue_properties(struct queue_properties *q); 1232ed6e6a34SBen Goz void print_queue(struct queue *q); 1233ed6e6a34SBen Goz 12344b8f589bSBen Goz struct mqd_manager *mqd_manager_init_cik(enum KFD_MQD_TYPE type, 12358dc1db31SMukul Joshi struct kfd_node *dev); 1236ee04955aSFelix Kuehling struct mqd_manager *mqd_manager_init_cik_hawaii(enum KFD_MQD_TYPE type, 12378dc1db31SMukul Joshi struct kfd_node *dev); 12384b8f589bSBen Goz struct mqd_manager *mqd_manager_init_vi(enum KFD_MQD_TYPE type, 12398dc1db31SMukul Joshi struct kfd_node *dev); 1240ee04955aSFelix Kuehling struct mqd_manager *mqd_manager_init_vi_tonga(enum KFD_MQD_TYPE type, 12418dc1db31SMukul Joshi struct kfd_node *dev); 1242b91d43ddSFelix Kuehling struct mqd_manager *mqd_manager_init_v9(enum KFD_MQD_TYPE type, 12438dc1db31SMukul Joshi struct kfd_node *dev); 124414328aa5SPhilip Cox struct mqd_manager *mqd_manager_init_v10(enum KFD_MQD_TYPE type, 12458dc1db31SMukul Joshi struct kfd_node *dev); 1246cc009e61SMukul Joshi struct mqd_manager *mqd_manager_init_v11(enum KFD_MQD_TYPE type, 12478dc1db31SMukul Joshi struct kfd_node *dev); 12488dc1db31SMukul Joshi struct device_queue_manager *device_queue_manager_init(struct kfd_node *dev); 124964c7f8cfSBen Goz void device_queue_manager_uninit(struct device_queue_manager *dqm); 12508dc1db31SMukul Joshi struct kernel_queue *kernel_queue_init(struct kfd_node *dev, 1251241f24f8SBen Goz enum kfd_queue_type type); 1252c2a77fdeSFelix Kuehling void kernel_queue_uninit(struct kernel_queue *kq, bool hanging); 125303e5b167STao Zhou int kfd_dqm_evict_pasid(struct device_queue_manager *dqm, u32 pasid); 1254241f24f8SBen Goz 125545102048SBen Goz /* Process Queue Manager */ 125645102048SBen Goz struct process_queue_node { 125745102048SBen Goz struct queue *q; 125845102048SBen Goz struct kernel_queue *kq; 125945102048SBen Goz struct list_head process_queue_list; 126045102048SBen Goz }; 126145102048SBen Goz 12629fd3f1bfSFelix Kuehling void kfd_process_dequeue_from_device(struct kfd_process_device *pdd); 12639fd3f1bfSFelix Kuehling void kfd_process_dequeue_from_all_devices(struct kfd_process *p); 126445102048SBen Goz int pqm_init(struct process_queue_manager *pqm, struct kfd_process *p); 126545102048SBen Goz void pqm_uninit(struct process_queue_manager *pqm); 126645102048SBen Goz int pqm_create_queue(struct process_queue_manager *pqm, 12678dc1db31SMukul Joshi struct kfd_node *dev, 126845102048SBen Goz struct file *f, 126945102048SBen Goz struct queue_properties *properties, 1270e47a8b52SYong Zhao unsigned int *qid, 1271e77a541fSGraham Sider struct amdgpu_bo *wptr_bo, 12728668dfc3SDavid Yat Sin const struct kfd_criu_queue_priv_data *q_data, 127342c6c482SDavid Yat Sin const void *restore_mqd, 12743a9822d7SDavid Yat Sin const void *restore_ctl_stack, 1275e47a8b52SYong Zhao uint32_t *p_doorbell_offset_in_process); 127645102048SBen Goz int pqm_destroy_queue(struct process_queue_manager *pqm, unsigned int qid); 12777c695a2cSLang Yu int pqm_update_queue_properties(struct process_queue_manager *pqm, unsigned int qid, 127845102048SBen Goz struct queue_properties *p); 12797c695a2cSLang Yu int pqm_update_mqd(struct process_queue_manager *pqm, unsigned int qid, 12807c695a2cSLang Yu struct mqd_update_info *minfo); 1281eb82da1dSOak Zeng int pqm_set_gws(struct process_queue_manager *pqm, unsigned int qid, 1282eb82da1dSOak Zeng void *gws); 1283fbeb661bSYair Shachar struct kernel_queue *pqm_get_kernel_queue(struct process_queue_manager *pqm, 1284fbeb661bSYair Shachar unsigned int qid); 12855bb4b78bSOak Zeng struct queue *pqm_get_user_queue(struct process_queue_manager *pqm, 12865bb4b78bSOak Zeng unsigned int qid); 12875df099e8SJay Cornwall int pqm_get_wave_state(struct process_queue_manager *pqm, 12885df099e8SJay Cornwall unsigned int qid, 12895df099e8SJay Cornwall void __user *ctl_stack, 12905df099e8SJay Cornwall u32 *ctl_stack_used_size, 12915df099e8SJay Cornwall u32 *save_area_used_size); 129245102048SBen Goz 1293b010affeSQu Huang int amdkfd_fence_wait_timeout(uint64_t *fence_addr, 1294b010affeSQu Huang uint64_t fence_value, 12958c72c3d7SYong Zhao unsigned int timeout_ms); 1296788bf83dSYair Shachar 129742c6c482SDavid Yat Sin int pqm_get_queue_checkpoint_info(struct process_queue_manager *pqm, 129842c6c482SDavid Yat Sin unsigned int qid, 12993a9822d7SDavid Yat Sin u32 *mqd_size, 13003a9822d7SDavid Yat Sin u32 *ctl_stack_size); 1301ed6e6a34SBen Goz /* Packet Manager */ 1302ed6e6a34SBen Goz 130364c7f8cfSBen Goz #define KFD_FENCE_COMPLETED (100) 130464c7f8cfSBen Goz #define KFD_FENCE_INIT (10) 1305241f24f8SBen Goz 1306ed6e6a34SBen Goz struct packet_manager { 1307ed6e6a34SBen Goz struct device_queue_manager *dqm; 1308ed6e6a34SBen Goz struct kernel_queue *priv_queue; 1309ed6e6a34SBen Goz struct mutex lock; 1310ed6e6a34SBen Goz bool allocated; 1311ed6e6a34SBen Goz struct kfd_mem_obj *ib_buffer_obj; 1312851a645eSFelix Kuehling unsigned int ib_size_bytes; 1313819ec5acSFelix Kuehling bool is_over_subscription; 1314f6e27ff1SFelix Kuehling 1315f6e27ff1SFelix Kuehling const struct packet_manager_funcs *pmf; 1316ed6e6a34SBen Goz }; 1317ed6e6a34SBen Goz 1318f6e27ff1SFelix Kuehling struct packet_manager_funcs { 1319f6e27ff1SFelix Kuehling /* Support ASIC-specific packet formats for PM4 packets */ 1320f6e27ff1SFelix Kuehling int (*map_process)(struct packet_manager *pm, uint32_t *buffer, 1321f6e27ff1SFelix Kuehling struct qcm_process_device *qpd); 1322f6e27ff1SFelix Kuehling int (*runlist)(struct packet_manager *pm, uint32_t *buffer, 1323f6e27ff1SFelix Kuehling uint64_t ib, size_t ib_size_in_dwords, bool chain); 1324f6e27ff1SFelix Kuehling int (*set_resources)(struct packet_manager *pm, uint32_t *buffer, 1325f6e27ff1SFelix Kuehling struct scheduling_resources *res); 1326f6e27ff1SFelix Kuehling int (*map_queues)(struct packet_manager *pm, uint32_t *buffer, 1327f6e27ff1SFelix Kuehling struct queue *q, bool is_static); 1328f6e27ff1SFelix Kuehling int (*unmap_queues)(struct packet_manager *pm, uint32_t *buffer, 1329f6e27ff1SFelix Kuehling enum kfd_unmap_queues_filter mode, 1330d2cb0b21SJonathan Kim uint32_t filter_param, bool reset); 1331f6e27ff1SFelix Kuehling int (*query_status)(struct packet_manager *pm, uint32_t *buffer, 1332b010affeSQu Huang uint64_t fence_address, uint64_t fence_value); 1333f6e27ff1SFelix Kuehling int (*release_mem)(uint64_t gpu_addr, uint32_t *buffer); 1334f6e27ff1SFelix Kuehling 1335f6e27ff1SFelix Kuehling /* Packet sizes */ 1336f6e27ff1SFelix Kuehling int map_process_size; 1337f6e27ff1SFelix Kuehling int runlist_size; 1338f6e27ff1SFelix Kuehling int set_resources_size; 1339f6e27ff1SFelix Kuehling int map_queues_size; 1340f6e27ff1SFelix Kuehling int unmap_queues_size; 1341f6e27ff1SFelix Kuehling int query_status_size; 1342f6e27ff1SFelix Kuehling int release_mem_size; 1343f6e27ff1SFelix Kuehling }; 1344f6e27ff1SFelix Kuehling 1345f6e27ff1SFelix Kuehling extern const struct packet_manager_funcs kfd_vi_pm_funcs; 1346454150b1SFelix Kuehling extern const struct packet_manager_funcs kfd_v9_pm_funcs; 1347fd6a440eSJonathan Kim extern const struct packet_manager_funcs kfd_aldebaran_pm_funcs; 1348f6e27ff1SFelix Kuehling 134964c7f8cfSBen Goz int pm_init(struct packet_manager *pm, struct device_queue_manager *dqm); 1350c2a77fdeSFelix Kuehling void pm_uninit(struct packet_manager *pm, bool hanging); 135164c7f8cfSBen Goz int pm_send_set_resources(struct packet_manager *pm, 135264c7f8cfSBen Goz struct scheduling_resources *res); 135364c7f8cfSBen Goz int pm_send_runlist(struct packet_manager *pm, struct list_head *dqm_queues); 135464c7f8cfSBen Goz int pm_send_query_status(struct packet_manager *pm, uint64_t fence_address, 1355b010affeSQu Huang uint64_t fence_value); 135664c7f8cfSBen Goz 1357d2cb0b21SJonathan Kim int pm_send_unmap_queue(struct packet_manager *pm, 13587da2bcf8SYong Zhao enum kfd_unmap_queues_filter mode, 1359d2cb0b21SJonathan Kim uint32_t filter_param, bool reset); 136064c7f8cfSBen Goz 1361241f24f8SBen Goz void pm_release_ib(struct packet_manager *pm); 1362241f24f8SBen Goz 1363454150b1SFelix Kuehling /* Following PM funcs can be shared among VI and AI */ 1364454150b1SFelix Kuehling unsigned int pm_build_pm4_header(unsigned int opcode, size_t packet_size); 136514328aa5SPhilip Cox 136619f6d2a6SOded Gabbay uint64_t kfd_get_number_elems(struct kfd_dev *kfd); 136719f6d2a6SOded Gabbay 1368f3a39818SAndrew Lewycky /* Events */ 1369f3a39818SAndrew Lewycky extern const struct kfd_event_interrupt_class event_interrupt_class_cik; 1370ca750681SFelix Kuehling extern const struct kfd_event_interrupt_class event_interrupt_class_v9; 1371cc009e61SMukul Joshi extern const struct kfd_event_interrupt_class event_interrupt_class_v11; 1372ca750681SFelix Kuehling 1373930c5ff4SAlexey Skidanov extern const struct kfd_device_global_init_class device_global_init_class_cik; 1374f3a39818SAndrew Lewycky 1375c3eb12dfSFelix Kuehling int kfd_event_init_process(struct kfd_process *p); 1376f3a39818SAndrew Lewycky void kfd_event_free_process(struct kfd_process *p); 1377f3a39818SAndrew Lewycky int kfd_event_mmap(struct kfd_process *process, struct vm_area_struct *vma); 1378f3a39818SAndrew Lewycky int kfd_wait_on_events(struct kfd_process *p, 137959d3e8beSAlexey Skidanov uint32_t num_events, void __user *data, 1380bea9a56aSFelix Kuehling bool all, uint32_t *user_timeout_ms, 1381fdf0c833SFelix Kuehling uint32_t *wait_result); 1382c7b6bac9SFenghua Yu void kfd_signal_event_interrupt(u32 pasid, uint32_t partial_id, 1383f3a39818SAndrew Lewycky uint32_t valid_id_bits); 13848dc1db31SMukul Joshi void kfd_signal_iommu_event(struct kfd_node *dev, 1385c7b6bac9SFenghua Yu u32 pasid, unsigned long address, 138659d3e8beSAlexey Skidanov bool is_write_requested, bool is_execute_requested); 1387c7b6bac9SFenghua Yu void kfd_signal_hw_exception_event(u32 pasid); 1388f3a39818SAndrew Lewycky int kfd_set_event(struct kfd_process *p, uint32_t event_id); 1389f3a39818SAndrew Lewycky int kfd_reset_event(struct kfd_process *p, uint32_t event_id); 139040e8a766SDavid Yat Sin int kfd_kmap_event_page(struct kfd_process *p, uint64_t event_page_offset); 139140e8a766SDavid Yat Sin 1392f3a39818SAndrew Lewycky int kfd_event_create(struct file *devkfd, struct kfd_process *p, 1393f3a39818SAndrew Lewycky uint32_t event_type, bool auto_reset, uint32_t node_id, 1394f3a39818SAndrew Lewycky uint32_t *event_id, uint32_t *event_trigger_data, 1395f3a39818SAndrew Lewycky uint64_t *event_page_offset, uint32_t *event_slot_index); 139640e8a766SDavid Yat Sin 139740e8a766SDavid Yat Sin int kfd_get_num_events(struct kfd_process *p); 1398f3a39818SAndrew Lewycky int kfd_event_destroy(struct kfd_process *p, uint32_t event_id); 1399f3a39818SAndrew Lewycky 14008dc1db31SMukul Joshi void kfd_signal_vm_fault_event(struct kfd_node *dev, u32 pasid, 14012640c3faSshaoyunl struct kfd_vm_fault_info *info); 14022640c3faSshaoyunl 14038dc1db31SMukul Joshi void kfd_signal_reset_event(struct kfd_node *dev); 1404e42051d2SShaoyun Liu 14058dc1db31SMukul Joshi void kfd_signal_poison_consumed_event(struct kfd_node *dev, u32 pasid); 1406e2b1f9f5SDennis Li 14073543b055SEric Huang void kfd_flush_tlb(struct kfd_process_device *pdd, enum TLB_FLUSH_TYPE type); 1408403575c4SFelix Kuehling 1409459ccca5SLang Yu static inline bool kfd_flush_tlb_after_unmap(struct kfd_dev *dev) 1410459ccca5SLang Yu { 141175dda67cSPhilip Yang return KFD_GC_VERSION(dev) == IP_VERSION(9, 4, 3) || 141275dda67cSPhilip Yang KFD_GC_VERSION(dev) == IP_VERSION(9, 4, 2) || 141375dda67cSPhilip Yang (KFD_GC_VERSION(dev) == IP_VERSION(9, 4, 1) && dev->sdma_fw_version >= 18) || 1414459ccca5SLang Yu KFD_GC_VERSION(dev) == IP_VERSION(9, 4, 0); 1415459ccca5SLang Yu } 1416459ccca5SLang Yu 1417e42051d2SShaoyun Liu bool kfd_is_locked(void); 1418e42051d2SShaoyun Liu 1419f756e631SHarish Kasiviswanathan /* Compute profile */ 14208dc1db31SMukul Joshi void kfd_inc_compute_active(struct kfd_node *dev); 14218dc1db31SMukul Joshi void kfd_dec_compute_active(struct kfd_node *dev); 1422f756e631SHarish Kasiviswanathan 14236b855f7bSHarish Kasiviswanathan /* Cgroup Support */ 14246b855f7bSHarish Kasiviswanathan /* Check with device cgroup if @kfd device is accessible */ 14258dc1db31SMukul Joshi static inline int kfd_devcgroup_check_permission(struct kfd_node *kfd) 14266b855f7bSHarish Kasiviswanathan { 1427eec8fd02SOdin Ugedal #if defined(CONFIG_CGROUP_DEVICE) || defined(CONFIG_CGROUP_BPF) 1428d69a3b76SMukul Joshi struct drm_device *ddev = adev_to_drm(kfd->adev); 14296b855f7bSHarish Kasiviswanathan 143099c7b309SLorenz Brun return devcgroup_check_permission(DEVCG_DEV_CHAR, DRM_MAJOR, 14316b855f7bSHarish Kasiviswanathan ddev->render->index, 14326b855f7bSHarish Kasiviswanathan DEVCG_ACC_WRITE | DEVCG_ACC_READ); 14336b855f7bSHarish Kasiviswanathan #else 14346b855f7bSHarish Kasiviswanathan return 0; 14356b855f7bSHarish Kasiviswanathan #endif 14366b855f7bSHarish Kasiviswanathan } 14376b855f7bSHarish Kasiviswanathan 143874c5b85dSMukul Joshi static inline bool kfd_is_first_node(struct kfd_node *node) 143974c5b85dSMukul Joshi { 144074c5b85dSMukul Joshi return (node == node->kfd->nodes[0]); 144174c5b85dSMukul Joshi } 144274c5b85dSMukul Joshi 1443851a645eSFelix Kuehling /* Debugfs */ 1444851a645eSFelix Kuehling #if defined(CONFIG_DEBUG_FS) 1445851a645eSFelix Kuehling 1446851a645eSFelix Kuehling void kfd_debugfs_init(void); 1447851a645eSFelix Kuehling void kfd_debugfs_fini(void); 1448851a645eSFelix Kuehling int kfd_debugfs_mqds_by_process(struct seq_file *m, void *data); 1449851a645eSFelix Kuehling int pqm_debugfs_mqds(struct seq_file *m, void *data); 1450851a645eSFelix Kuehling int kfd_debugfs_hqds_by_device(struct seq_file *m, void *data); 1451851a645eSFelix Kuehling int dqm_debugfs_hqds(struct seq_file *m, void *data); 1452851a645eSFelix Kuehling int kfd_debugfs_rls_by_device(struct seq_file *m, void *data); 1453851a645eSFelix Kuehling int pm_debugfs_runlist(struct seq_file *m, void *data); 1454851a645eSFelix Kuehling 14558dc1db31SMukul Joshi int kfd_debugfs_hang_hws(struct kfd_node *dev); 1456a29ec470SShaoyun Liu int pm_debugfs_hang_hws(struct packet_manager *pm); 14574f942aaeSOak Zeng int dqm_debugfs_hang_hws(struct device_queue_manager *dqm); 1458a29ec470SShaoyun Liu 1459851a645eSFelix Kuehling #else 1460851a645eSFelix Kuehling 1461851a645eSFelix Kuehling static inline void kfd_debugfs_init(void) {} 1462851a645eSFelix Kuehling static inline void kfd_debugfs_fini(void) {} 1463851a645eSFelix Kuehling 1464851a645eSFelix Kuehling #endif 1465851a645eSFelix Kuehling 14664a488a7aSOded Gabbay #endif 1467