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 178a4497974SRajneesh Bhardwaj /* Set sh_mem_config.retry_disable on GFX v9 */ 17975ee6487SFelix Kuehling extern int amdgpu_noretry; 180bed4f110SFelix Kuehling 181a4497974SRajneesh Bhardwaj /* Halt if HWS hang is detected */ 1820e9a860cSYong Zhao extern int halt_if_hws_hang; 1830e9a860cSYong Zhao 184a4497974SRajneesh Bhardwaj /* Whether MEC FW support GWS barriers */ 18529e76462SOak Zeng extern bool hws_gws_support; 18629e76462SOak Zeng 187a4497974SRajneesh Bhardwaj /* Queue preemption timeout in ms */ 18814328aa5SPhilip Cox extern int queue_preemption_timeout_ms; 18914328aa5SPhilip Cox 1906d909c5dSOak Zeng /* 1916d909c5dSOak Zeng * Don't evict process queues on vm fault 1926d909c5dSOak Zeng */ 1936d909c5dSOak Zeng extern int amdgpu_no_queue_eviction_on_vm_fault; 1946d909c5dSOak Zeng 195a4497974SRajneesh Bhardwaj /* Enable eviction debug messages */ 196b2057956SFelix Kuehling extern bool debug_evictions; 197b2057956SFelix Kuehling 198fe1f05dfSMukul Joshi extern struct mutex kfd_processes_mutex; 199fe1f05dfSMukul Joshi 200ed6e6a34SBen Goz enum cache_policy { 201ed6e6a34SBen Goz cache_policy_coherent, 202ed6e6a34SBen Goz cache_policy_noncoherent 203ed6e6a34SBen Goz }; 204ed6e6a34SBen Goz 205dd0ae064SGraham Sider #define KFD_GC_VERSION(dev) ((dev)->adev->ip_versions[GC_HWIP][0]) 206dd0ae064SGraham Sider #define KFD_IS_SOC15(dev) ((KFD_GC_VERSION(dev)) >= (IP_VERSION(9, 0, 1))) 20724294e7bSPhilip Yang #define KFD_SUPPORT_XNACK_PER_PROCESS(dev)\ 208cebbfdd5SAmber Lin ((KFD_GC_VERSION(dev) == IP_VERSION(9, 4, 2)) || \ 209cebbfdd5SAmber Lin (KFD_GC_VERSION(dev) == IP_VERSION(9, 4, 3))) 210ef568db7SFelix Kuehling 2118dc1db31SMukul Joshi struct kfd_node; 2128dc1db31SMukul Joshi 213f3a39818SAndrew Lewycky struct kfd_event_interrupt_class { 2148dc1db31SMukul Joshi bool (*interrupt_isr)(struct kfd_node *dev, 21558e69886SLan Xiao const uint32_t *ih_ring_entry, uint32_t *patched_ihre, 21658e69886SLan Xiao bool *patched_flag); 2178dc1db31SMukul Joshi void (*interrupt_wq)(struct kfd_node *dev, 218f3a39818SAndrew Lewycky const uint32_t *ih_ring_entry); 219f3a39818SAndrew Lewycky }; 220f3a39818SAndrew Lewycky 2214a488a7aSOded Gabbay struct kfd_device_info { 2229d6fa9c7SGraham Sider uint32_t gfx_target_version; 223f3a39818SAndrew Lewycky const struct kfd_event_interrupt_class *event_interrupt_class; 2244a488a7aSOded Gabbay unsigned int max_pasid_bits; 225992839adSYair Shachar unsigned int max_no_of_hqd; 226ada2b29cSFelix Kuehling unsigned int doorbell_size; 2274a488a7aSOded Gabbay size_t ih_ring_entry_size; 228f7c826adSAlexey Skidanov uint8_t num_of_watch_points; 22919f6d2a6SOded Gabbay uint16_t mqd_size_aligned; 230373d7080SFelix Kuehling bool supports_cwsr; 2313ee2d00cSFelix Kuehling bool needs_pci_atomics; 232fb932dfeSFelix Kuehling uint32_t no_atomic_fw_version; 233d5094189SShaoyun Liu unsigned int num_sdma_queues_per_engine; 234cc009e61SMukul Joshi unsigned int num_reserved_sdma_queues_per_engine; 235597364adSMukul Joshi DECLARE_BITMAP(reserved_sdma_queues_bitmap, KFD_MAX_SDMA_QUEUES); 2364a488a7aSOded Gabbay }; 2374a488a7aSOded Gabbay 2388dc1db31SMukul Joshi unsigned int kfd_get_num_sdma_engines(struct kfd_node *kdev); 2398dc1db31SMukul Joshi unsigned int kfd_get_num_xgmi_sdma_engines(struct kfd_node *kdev); 240ee2f17f4SAmber Lin 24136b5c08fSOded Gabbay struct kfd_mem_obj { 24236b5c08fSOded Gabbay uint32_t range_start; 24336b5c08fSOded Gabbay uint32_t range_end; 24436b5c08fSOded Gabbay uint64_t gpu_addr; 24536b5c08fSOded Gabbay uint32_t *cpu_ptr; 246b91d43ddSFelix Kuehling void *gtt_mem; 24736b5c08fSOded Gabbay }; 24836b5c08fSOded Gabbay 24944008d7aSYong Zhao struct kfd_vmid_info { 25044008d7aSYong Zhao uint32_t first_vmid_kfd; 25144008d7aSYong Zhao uint32_t last_vmid_kfd; 25244008d7aSYong Zhao uint32_t vmid_num_kfd; 25344008d7aSYong Zhao }; 25444008d7aSYong Zhao 25574c5b85dSMukul Joshi #define MAX_KFD_NODES 8 25674c5b85dSMukul Joshi 2578dc1db31SMukul Joshi struct kfd_dev; 2588dc1db31SMukul Joshi 2598dc1db31SMukul Joshi struct kfd_node { 260a805889aSMukul Joshi unsigned int node_id; 2618dc1db31SMukul Joshi struct amdgpu_device *adev; /* Duplicated here along with keeping 2628dc1db31SMukul Joshi * a copy in kfd_dev to save a hop 2638dc1db31SMukul Joshi */ 2648dc1db31SMukul Joshi const struct kfd2kgd_calls *kfd2kgd; /* Duplicated here along with 2658dc1db31SMukul Joshi * keeping a copy in kfd_dev to 2668dc1db31SMukul Joshi * save a hop 2678dc1db31SMukul Joshi */ 2688dc1db31SMukul Joshi struct kfd_vmid_info vm_info; 2698dc1db31SMukul Joshi unsigned int id; /* topology stub index */ 270a75f2271SLijo Lazar uint32_t xcc_mask; /* Instance mask of XCCs present */ 271a75f2271SLijo Lazar struct amdgpu_xcp *xcp; 272a75f2271SLijo Lazar 2738dc1db31SMukul Joshi /* Interrupts */ 2748dc1db31SMukul Joshi struct kfifo ih_fifo; 2758dc1db31SMukul Joshi struct workqueue_struct *ih_wq; 2768dc1db31SMukul Joshi struct work_struct interrupt_work; 2778dc1db31SMukul Joshi spinlock_t interrupt_lock; 2788dc1db31SMukul Joshi 2798dc1db31SMukul Joshi /* 2808dc1db31SMukul Joshi * Interrupts of interest to KFD are copied 2818dc1db31SMukul Joshi * from the HW ring into a SW ring. 2828dc1db31SMukul Joshi */ 2838dc1db31SMukul Joshi bool interrupts_active; 2845fb34bd9SAlex Sierra uint32_t interrupt_bitmap; /* Only used for GFX 9.4.3 */ 2858dc1db31SMukul Joshi 2868dc1db31SMukul Joshi /* QCM Device instance */ 2878dc1db31SMukul Joshi struct device_queue_manager *dqm; 2888dc1db31SMukul Joshi 2898dc1db31SMukul Joshi /* Global GWS resource shared between processes */ 2908dc1db31SMukul Joshi void *gws; 2918dc1db31SMukul Joshi bool gws_debug_workaround; 2928dc1db31SMukul Joshi 2938dc1db31SMukul Joshi /* Clients watching SMI events */ 2948dc1db31SMukul Joshi struct list_head smi_clients; 2958dc1db31SMukul Joshi spinlock_t smi_lock; 2968dc1db31SMukul Joshi uint32_t reset_seq_num; 2978dc1db31SMukul Joshi 2988dc1db31SMukul Joshi /* SRAM ECC flag */ 2998dc1db31SMukul Joshi atomic_t sram_ecc_flag; 3008dc1db31SMukul Joshi 3018dc1db31SMukul Joshi /*spm process id */ 3028dc1db31SMukul Joshi unsigned int spm_pasid; 3038dc1db31SMukul Joshi 3048dc1db31SMukul Joshi /* Maximum process number mapped to HW scheduler */ 3058dc1db31SMukul Joshi unsigned int max_proc_per_quantum; 3068dc1db31SMukul Joshi 30774c5b85dSMukul Joshi unsigned int compute_vmid_bitmap; 30874c5b85dSMukul Joshi 309315e29ecSMukul Joshi struct kfd_local_mem_info local_mem_info; 310315e29ecSMukul Joshi 3118dc1db31SMukul Joshi struct kfd_dev *kfd; 3128dc1db31SMukul Joshi }; 3138dc1db31SMukul Joshi 3144a488a7aSOded Gabbay struct kfd_dev { 315c6c57446SGraham Sider struct amdgpu_device *adev; 3164a488a7aSOded Gabbay 317f0dc99a6SGraham Sider struct kfd_device_info device_info; 3184a488a7aSOded Gabbay 31919f6d2a6SOded Gabbay u32 __iomem *doorbell_kernel_ptr; /* This is a pointer for a doorbells 32019f6d2a6SOded Gabbay * page used by kernel queue 32119f6d2a6SOded Gabbay */ 32219f6d2a6SOded Gabbay 3234a488a7aSOded Gabbay struct kgd2kfd_shared_resources shared_resources; 3244a488a7aSOded Gabbay 325cea405b1SXihan Zhang const struct kfd2kgd_calls *kfd2kgd; 326cea405b1SXihan Zhang struct mutex doorbell_mutex; 327cea405b1SXihan Zhang 32836b5c08fSOded Gabbay void *gtt_mem; 32936b5c08fSOded Gabbay uint64_t gtt_start_gpu_addr; 33036b5c08fSOded Gabbay void *gtt_start_cpu_ptr; 33136b5c08fSOded Gabbay void *gtt_sa_bitmap; 33236b5c08fSOded Gabbay struct mutex gtt_sa_lock; 33336b5c08fSOded Gabbay unsigned int gtt_sa_chunk_size; 33436b5c08fSOded Gabbay unsigned int gtt_sa_num_of_chunks; 33536b5c08fSOded Gabbay 336ed6e6a34SBen Goz bool init_complete; 337fbeb661bSYair Shachar 3385ade6c9cSFelix Kuehling /* Firmware versions */ 3395ade6c9cSFelix Kuehling uint16_t mec_fw_version; 34029633d0eSJoseph Greathouse uint16_t mec2_fw_version; 3415ade6c9cSFelix Kuehling uint16_t sdma_fw_version; 3425ade6c9cSFelix Kuehling 343373d7080SFelix Kuehling /* CWSR */ 344373d7080SFelix Kuehling bool cwsr_enabled; 345373d7080SFelix Kuehling const void *cwsr_isa; 346373d7080SFelix Kuehling unsigned int cwsr_isa_size; 3470c1690e3SShaoyun Liu 3480c1690e3SShaoyun Liu /* xGMI */ 3490c1690e3SShaoyun Liu uint64_t hive_id; 3500c663695SDivya Shikre 351d35f00d8SEric Huang bool pci_atomic_requested; 3529b54d201SEric Huang 353f756e631SHarish Kasiviswanathan /* Compute Profile ref. count */ 354f756e631SHarish Kasiviswanathan atomic_t compute_profile; 355e09d4fc8SOak Zeng 35659d7115dSMukul Joshi struct ida doorbell_ida; 35759d7115dSMukul Joshi unsigned int max_doorbell_slices; 3589b498efaSAlex Deucher 3599b498efaSAlex Deucher int noretry; 360814ab993SPhilip Yang 36174c5b85dSMukul Joshi struct kfd_node *nodes[MAX_KFD_NODES]; 36274c5b85dSMukul Joshi unsigned int num_nodes; 363e0f85f46SJonathan Kim 364e0f85f46SJonathan Kim /* Track per device allocated watch points */ 365e0f85f46SJonathan Kim uint32_t alloc_watch_ids; 366e0f85f46SJonathan Kim spinlock_t watch_points_lock; 367c3186665SShashank Sharma 368c3186665SShashank Sharma /* Kernel doorbells for KFD device */ 369c3186665SShashank Sharma struct amdgpu_bo *doorbells; 370c3186665SShashank Sharma 371c3186665SShashank Sharma /* bitmap for dynamic doorbell allocation from doorbell object */ 372c3186665SShashank Sharma unsigned long *doorbell_bitmap; 3734a488a7aSOded Gabbay }; 3744a488a7aSOded Gabbay 37519f6d2a6SOded Gabbay enum kfd_mempool { 37619f6d2a6SOded Gabbay KFD_MEMPOOL_SYSTEM_CACHEABLE = 1, 37719f6d2a6SOded Gabbay KFD_MEMPOOL_SYSTEM_WRITECOMBINE = 2, 37819f6d2a6SOded Gabbay KFD_MEMPOOL_FRAMEBUFFER = 3, 37919f6d2a6SOded Gabbay }; 38019f6d2a6SOded Gabbay 3814a488a7aSOded Gabbay /* Character device interface */ 3824a488a7aSOded Gabbay int kfd_chardev_init(void); 3834a488a7aSOded Gabbay void kfd_chardev_exit(void); 3844a488a7aSOded Gabbay 385241f24f8SBen Goz /** 386a4497974SRajneesh Bhardwaj * enum kfd_unmap_queues_filter - Enum for queue filters. 387241f24f8SBen Goz * 3887da2bcf8SYong Zhao * @KFD_UNMAP_QUEUES_FILTER_ALL_QUEUES: Preempts all queues in the 389241f24f8SBen Goz * running queues list. 390241f24f8SBen Goz * 391d2cb0b21SJonathan Kim * @KFD_UNMAP_QUEUES_FILTER_DYNAMIC_QUEUES: Preempts all non-static queues 392d2cb0b21SJonathan Kim * in the run list. 393d2cb0b21SJonathan Kim * 3947da2bcf8SYong Zhao * @KFD_UNMAP_QUEUES_FILTER_BY_PASID: Preempts queues that belongs to 395241f24f8SBen Goz * specific process. 396241f24f8SBen Goz * 397241f24f8SBen Goz */ 3987da2bcf8SYong Zhao enum kfd_unmap_queues_filter { 399d2cb0b21SJonathan Kim KFD_UNMAP_QUEUES_FILTER_ALL_QUEUES = 1, 400d2cb0b21SJonathan Kim KFD_UNMAP_QUEUES_FILTER_DYNAMIC_QUEUES = 2, 401d2cb0b21SJonathan Kim KFD_UNMAP_QUEUES_FILTER_BY_PASID = 3 402241f24f8SBen Goz }; 40319f6d2a6SOded Gabbay 404ed8aab45SBen Goz /** 405a4497974SRajneesh Bhardwaj * enum kfd_queue_type - Enum for various queue types. 406ed8aab45SBen Goz * 407ed8aab45SBen Goz * @KFD_QUEUE_TYPE_COMPUTE: Regular user mode queue type. 408ed8aab45SBen Goz * 409a4497974SRajneesh Bhardwaj * @KFD_QUEUE_TYPE_SDMA: SDMA user mode queue type. 410ed8aab45SBen Goz * 411ed8aab45SBen Goz * @KFD_QUEUE_TYPE_HIQ: HIQ queue type. 412ed8aab45SBen Goz * 413ed8aab45SBen Goz * @KFD_QUEUE_TYPE_DIQ: DIQ queue type. 414a4497974SRajneesh Bhardwaj * 415a4497974SRajneesh Bhardwaj * @KFD_QUEUE_TYPE_SDMA_XGMI: Special SDMA queue for XGMI interface. 416ed8aab45SBen Goz */ 417ed8aab45SBen Goz enum kfd_queue_type { 418ed8aab45SBen Goz KFD_QUEUE_TYPE_COMPUTE, 419ed8aab45SBen Goz KFD_QUEUE_TYPE_SDMA, 420ed8aab45SBen Goz KFD_QUEUE_TYPE_HIQ, 4211b4670f6SOak Zeng KFD_QUEUE_TYPE_DIQ, 4221b4670f6SOak Zeng KFD_QUEUE_TYPE_SDMA_XGMI 423ed8aab45SBen Goz }; 424ed8aab45SBen Goz 4256e99df57SBen Goz enum kfd_queue_format { 4266e99df57SBen Goz KFD_QUEUE_FORMAT_PM4, 4276e99df57SBen Goz KFD_QUEUE_FORMAT_AQL 4286e99df57SBen Goz }; 4296e99df57SBen Goz 4300ccbc7cdSOak Zeng enum KFD_QUEUE_PRIORITY { 4310ccbc7cdSOak Zeng KFD_QUEUE_PRIORITY_MINIMUM = 0, 4320ccbc7cdSOak Zeng KFD_QUEUE_PRIORITY_MAXIMUM = 15 4330ccbc7cdSOak Zeng }; 4340ccbc7cdSOak Zeng 435ed8aab45SBen Goz /** 436ed8aab45SBen Goz * struct queue_properties 437ed8aab45SBen Goz * 438ed8aab45SBen Goz * @type: The queue type. 439ed8aab45SBen Goz * 440ed8aab45SBen Goz * @queue_id: Queue identifier. 441ed8aab45SBen Goz * 442ed8aab45SBen Goz * @queue_address: Queue ring buffer address. 443ed8aab45SBen Goz * 444ed8aab45SBen Goz * @queue_size: Queue ring buffer size. 445ed8aab45SBen Goz * 446ed8aab45SBen Goz * @priority: Defines the queue priority relative to other queues in the 447ed8aab45SBen Goz * process. 448ed8aab45SBen Goz * This is just an indication and HW scheduling may override the priority as 449ed8aab45SBen Goz * necessary while keeping the relative prioritization. 450ed8aab45SBen Goz * the priority granularity is from 0 to f which f is the highest priority. 451ed8aab45SBen Goz * currently all queues are initialized with the highest priority. 452ed8aab45SBen Goz * 453ed8aab45SBen Goz * @queue_percent: This field is partially implemented and currently a zero in 454ed8aab45SBen Goz * this field defines that the queue is non active. 455ed8aab45SBen Goz * 456ed8aab45SBen Goz * @read_ptr: User space address which points to the number of dwords the 457ed8aab45SBen Goz * cp read from the ring buffer. This field updates automatically by the H/W. 458ed8aab45SBen Goz * 459ed8aab45SBen Goz * @write_ptr: Defines the number of dwords written to the ring buffer. 460ed8aab45SBen Goz * 461a4497974SRajneesh Bhardwaj * @doorbell_ptr: Notifies the H/W of new packet written to the queue ring 462a4497974SRajneesh Bhardwaj * buffer. This field should be similar to write_ptr and the user should 463a4497974SRajneesh Bhardwaj * update this field after updating the write_ptr. 464ed8aab45SBen Goz * 465ed8aab45SBen Goz * @doorbell_off: The doorbell offset in the doorbell pci-bar. 466ed8aab45SBen Goz * 4678eabaf54SKent Russell * @is_interop: Defines if this is a interop queue. Interop queue means that 4688eabaf54SKent Russell * the queue can access both graphics and compute resources. 469ed8aab45SBen Goz * 47026103436SFelix Kuehling * @is_evicted: Defines if the queue is evicted. Only active queues 47126103436SFelix Kuehling * are evicted, rendering them inactive. 47226103436SFelix Kuehling * 47326103436SFelix Kuehling * @is_active: Defines if the queue is active or not. @is_active and 47426103436SFelix Kuehling * @is_evicted are protected by the DQM lock. 475ed8aab45SBen Goz * 476b8020b03SJoseph Greathouse * @is_gws: Defines if the queue has been updated to be GWS-capable or not. 477b8020b03SJoseph Greathouse * @is_gws should be protected by the DQM lock, since changing it can yield the 478b8020b03SJoseph Greathouse * possibility of updating DQM state on number of GWS queues. 479b8020b03SJoseph Greathouse * 480ed8aab45SBen Goz * @vmid: If the scheduling mode is no cp scheduling the field defines the vmid 481ed8aab45SBen Goz * of the queue. 482ed8aab45SBen Goz * 483ed8aab45SBen Goz * This structure represents the queue properties for each queue no matter if 484ed8aab45SBen Goz * it's user mode or kernel mode queue. 485ed8aab45SBen Goz * 486ed8aab45SBen Goz */ 4878668dfc3SDavid Yat Sin 488ed8aab45SBen Goz struct queue_properties { 489ed8aab45SBen Goz enum kfd_queue_type type; 4906e99df57SBen Goz enum kfd_queue_format format; 491ed8aab45SBen Goz unsigned int queue_id; 492ed8aab45SBen Goz uint64_t queue_address; 493ed8aab45SBen Goz uint64_t queue_size; 494ed8aab45SBen Goz uint32_t priority; 495ed8aab45SBen Goz uint32_t queue_percent; 496ed8aab45SBen Goz uint32_t *read_ptr; 497ed8aab45SBen Goz uint32_t *write_ptr; 498ada2b29cSFelix Kuehling void __iomem *doorbell_ptr; 499ed8aab45SBen Goz uint32_t doorbell_off; 500ed8aab45SBen Goz bool is_interop; 50126103436SFelix Kuehling bool is_evicted; 502a70a93faSJonathan Kim bool is_suspended; 503a70a93faSJonathan Kim bool is_being_destroyed; 504ed8aab45SBen Goz bool is_active; 505b8020b03SJoseph Greathouse bool is_gws; 5063c8bdb51SMukul Joshi uint32_t pm4_target_xcc; 50769a8c3aeSJonathan Kim bool is_dbg_wa; 50869a8c3aeSJonathan Kim bool is_user_cu_masked; 509ed8aab45SBen Goz /* Not relevant for user mode queues in cp scheduling */ 510ed8aab45SBen Goz unsigned int vmid; 51177669eb8SBen Goz /* Relevant only for sdma queues*/ 51277669eb8SBen Goz uint32_t sdma_engine_id; 51377669eb8SBen Goz uint32_t sdma_queue_id; 51477669eb8SBen Goz uint32_t sdma_vm_addr; 515ff3d04a1SBen Goz /* Relevant only for VI */ 516ff3d04a1SBen Goz uint64_t eop_ring_buffer_address; 517ff3d04a1SBen Goz uint32_t eop_ring_buffer_size; 518ff3d04a1SBen Goz uint64_t ctx_save_restore_area_address; 519ff3d04a1SBen Goz uint32_t ctx_save_restore_area_size; 520373d7080SFelix Kuehling uint32_t ctl_stack_size; 521373d7080SFelix Kuehling uint64_t tba_addr; 522373d7080SFelix Kuehling uint64_t tma_addr; 52344b87bb0SJonathan Kim uint64_t exception_status; 524ed8aab45SBen Goz }; 525ed8aab45SBen Goz 526bb2d2128SFelix Kuehling #define QUEUE_IS_ACTIVE(q) ((q).queue_size > 0 && \ 527bb2d2128SFelix Kuehling (q).queue_address != 0 && \ 528bb2d2128SFelix Kuehling (q).queue_percent > 0 && \ 529a70a93faSJonathan Kim !(q).is_evicted && \ 530a70a93faSJonathan Kim !(q).is_suspended) 531bb2d2128SFelix Kuehling 5327c695a2cSLang Yu enum mqd_update_flag { 53369a8c3aeSJonathan Kim UPDATE_FLAG_DBG_WA_ENABLE = 1, 53469a8c3aeSJonathan Kim UPDATE_FLAG_DBG_WA_DISABLE = 2, 5357c695a2cSLang Yu }; 5367c695a2cSLang Yu 5377c695a2cSLang Yu struct mqd_update_info { 5387c695a2cSLang Yu union { 5397c695a2cSLang Yu struct { 5407c695a2cSLang Yu uint32_t count; /* Must be a multiple of 32 */ 5417c695a2cSLang Yu uint32_t *ptr; 5427c695a2cSLang Yu } cu_mask; 5437c695a2cSLang Yu }; 5447c695a2cSLang Yu enum mqd_update_flag update_flag; 5457c695a2cSLang Yu }; 546c6e559ebSLang Yu 547ed8aab45SBen Goz /** 548ed8aab45SBen Goz * struct queue 549ed8aab45SBen Goz * 550ed8aab45SBen Goz * @list: Queue linked list. 551ed8aab45SBen Goz * 552a4497974SRajneesh Bhardwaj * @mqd: The queue MQD (memory queue descriptor). 553ed8aab45SBen Goz * 554ed8aab45SBen Goz * @mqd_mem_obj: The MQD local gpu memory object. 555ed8aab45SBen Goz * 556ed8aab45SBen Goz * @gart_mqd_addr: The MQD gart mc address. 557ed8aab45SBen Goz * 558ed8aab45SBen Goz * @properties: The queue properties. 559ed8aab45SBen Goz * 560ed8aab45SBen Goz * @mec: Used only in no cp scheduling mode and identifies to micro engine id 561a4497974SRajneesh Bhardwaj * that the queue should be executed on. 562ed8aab45SBen Goz * 5638eabaf54SKent Russell * @pipe: Used only in no cp scheduling mode and identifies the queue's pipe 5648eabaf54SKent Russell * id. 565ed8aab45SBen Goz * 566ed8aab45SBen Goz * @queue: Used only in no cp scheduliong mode and identifies the queue's slot. 567ed8aab45SBen Goz * 568ed8aab45SBen Goz * @process: The kfd process that created this queue. 569ed8aab45SBen Goz * 570ed8aab45SBen Goz * @device: The kfd device that created this queue. 571ed8aab45SBen Goz * 572eb82da1dSOak Zeng * @gws: Pointing to gws kgd_mem if this is a gws control queue; NULL 573eb82da1dSOak Zeng * otherwise. 574eb82da1dSOak Zeng * 575ed8aab45SBen Goz * This structure represents user mode compute queues. 576ed8aab45SBen Goz * It contains all the necessary data to handle such queues. 577ed8aab45SBen Goz * 578ed8aab45SBen Goz */ 579ed8aab45SBen Goz 580ed8aab45SBen Goz struct queue { 581ed8aab45SBen Goz struct list_head list; 582ed8aab45SBen Goz void *mqd; 583ed8aab45SBen Goz struct kfd_mem_obj *mqd_mem_obj; 584ed8aab45SBen Goz uint64_t gart_mqd_addr; 585ed8aab45SBen Goz struct queue_properties properties; 586ed8aab45SBen Goz 587ed8aab45SBen Goz uint32_t mec; 588ed8aab45SBen Goz uint32_t pipe; 589ed8aab45SBen Goz uint32_t queue; 590ed8aab45SBen Goz 59177669eb8SBen Goz unsigned int sdma_id; 592ef568db7SFelix Kuehling unsigned int doorbell_id; 59377669eb8SBen Goz 594ed8aab45SBen Goz struct kfd_process *process; 5958dc1db31SMukul Joshi struct kfd_node *device; 596eb82da1dSOak Zeng void *gws; 5976d220a7eSAmber Lin 5986d220a7eSAmber Lin /* procfs */ 5996d220a7eSAmber Lin struct kobject kobj; 600cc009e61SMukul Joshi 601cc009e61SMukul Joshi void *gang_ctx_bo; 602cc009e61SMukul Joshi uint64_t gang_ctx_gpu_addr; 603cc009e61SMukul Joshi void *gang_ctx_cpu_ptr; 604e77a541fSGraham Sider 605e77a541fSGraham Sider struct amdgpu_bo *wptr_bo; 606ed8aab45SBen Goz }; 607ed8aab45SBen Goz 6086e99df57SBen Goz enum KFD_MQD_TYPE { 609d7c0b047SYong Zhao KFD_MQD_TYPE_HIQ = 0, /* for hiq */ 61085d258f9SBen Goz KFD_MQD_TYPE_CP, /* for cp queues and diq */ 61185d258f9SBen Goz KFD_MQD_TYPE_SDMA, /* for sdma queues */ 61259f650a0SOak Zeng KFD_MQD_TYPE_DIQ, /* for diq */ 6136e99df57SBen Goz KFD_MQD_TYPE_MAX 6146e99df57SBen Goz }; 6156e99df57SBen Goz 6160ccbc7cdSOak Zeng enum KFD_PIPE_PRIORITY { 6170ccbc7cdSOak Zeng KFD_PIPE_PRIORITY_CS_LOW = 0, 6180ccbc7cdSOak Zeng KFD_PIPE_PRIORITY_CS_MEDIUM, 6190ccbc7cdSOak Zeng KFD_PIPE_PRIORITY_CS_HIGH 6200ccbc7cdSOak Zeng }; 6210ccbc7cdSOak Zeng 622241f24f8SBen Goz struct scheduling_resources { 623241f24f8SBen Goz unsigned int vmid_mask; 624241f24f8SBen Goz enum kfd_queue_type type; 625241f24f8SBen Goz uint64_t queue_mask; 626241f24f8SBen Goz uint64_t gws_mask; 627241f24f8SBen Goz uint32_t oac_mask; 628241f24f8SBen Goz uint32_t gds_heap_base; 629241f24f8SBen Goz uint32_t gds_heap_size; 630241f24f8SBen Goz }; 631241f24f8SBen Goz 632241f24f8SBen Goz struct process_queue_manager { 633241f24f8SBen Goz /* data */ 634241f24f8SBen Goz struct kfd_process *process; 635241f24f8SBen Goz struct list_head queues; 636241f24f8SBen Goz unsigned long *queue_slot_bitmap; 637241f24f8SBen Goz }; 638241f24f8SBen Goz 639241f24f8SBen Goz struct qcm_process_device { 640241f24f8SBen Goz /* The Device Queue Manager that owns this data */ 641241f24f8SBen Goz struct device_queue_manager *dqm; 642241f24f8SBen Goz struct process_queue_manager *pqm; 643241f24f8SBen Goz /* Queues list */ 644241f24f8SBen Goz struct list_head queues_list; 645241f24f8SBen Goz struct list_head priv_queue_list; 646241f24f8SBen Goz 647241f24f8SBen Goz unsigned int queue_count; 648241f24f8SBen Goz unsigned int vmid; 649241f24f8SBen Goz bool is_debug; 65026103436SFelix Kuehling unsigned int evicted; /* eviction counter, 0=active */ 6519fd3f1bfSFelix Kuehling 6529fd3f1bfSFelix Kuehling /* This flag tells if we should reset all wavefronts on 6539fd3f1bfSFelix Kuehling * process termination 6549fd3f1bfSFelix Kuehling */ 6559fd3f1bfSFelix Kuehling bool reset_wavefronts; 6569fd3f1bfSFelix Kuehling 657b8020b03SJoseph Greathouse /* This flag tells us if this process has a GWS-capable 658b8020b03SJoseph Greathouse * queue that will be mapped into the runlist. It's 659b8020b03SJoseph Greathouse * possible to request a GWS BO, but not have the queue 660b8020b03SJoseph Greathouse * currently mapped, and this changes how the MAP_PROCESS 661b8020b03SJoseph Greathouse * PM4 packet is configured. 662b8020b03SJoseph Greathouse */ 663b8020b03SJoseph Greathouse bool mapped_gws_queue; 664b8020b03SJoseph Greathouse 665a4497974SRajneesh Bhardwaj /* All the memory management data should be here too */ 666241f24f8SBen Goz uint64_t gds_context_area; 667435e2f97SYong Zhao /* Contains page table flags such as AMDGPU_PTE_VALID since gfx9 */ 668e715c6d0SShaoyun Liu uint64_t page_table_base; 669241f24f8SBen Goz uint32_t sh_mem_config; 670241f24f8SBen Goz uint32_t sh_mem_bases; 671241f24f8SBen Goz uint32_t sh_mem_ape1_base; 672241f24f8SBen Goz uint32_t sh_mem_ape1_limit; 673241f24f8SBen Goz uint32_t gds_size; 674241f24f8SBen Goz uint32_t num_gws; 675241f24f8SBen Goz uint32_t num_oac; 6766a1c9510SMoses Reuben uint32_t sh_hidden_private_base; 677373d7080SFelix Kuehling 678373d7080SFelix Kuehling /* CWSR memory */ 67968df0f19SLang Yu struct kgd_mem *cwsr_mem; 680373d7080SFelix Kuehling void *cwsr_kaddr; 681d01994c2SFelix Kuehling uint64_t cwsr_base; 682373d7080SFelix Kuehling uint64_t tba_addr; 683373d7080SFelix Kuehling uint64_t tma_addr; 684d01994c2SFelix Kuehling 685d01994c2SFelix Kuehling /* IB memory */ 68668df0f19SLang Yu struct kgd_mem *ib_mem; 687d01994c2SFelix Kuehling uint64_t ib_base; 688552764b6SFelix Kuehling void *ib_kaddr; 689ef568db7SFelix Kuehling 6902105a15aSShashank Sharma /* doorbells for kfd process */ 6912105a15aSShashank Sharma struct amdgpu_bo *proc_doorbells; 6922105a15aSShashank Sharma 6932105a15aSShashank Sharma /* bitmap for dynamic doorbell allocation from the bo */ 694ef568db7SFelix Kuehling unsigned long *doorbell_bitmap; 695241f24f8SBen Goz }; 696241f24f8SBen Goz 69726103436SFelix Kuehling /* KFD Memory Eviction */ 69826103436SFelix Kuehling 69926103436SFelix Kuehling /* Approx. wait time before attempting to restore evicted BOs */ 70026103436SFelix Kuehling #define PROCESS_RESTORE_TIME_MS 100 70126103436SFelix Kuehling /* Approx. back off time if restore fails due to lack of memory */ 70226103436SFelix Kuehling #define PROCESS_BACK_OFF_TIME_MS 100 70326103436SFelix Kuehling /* Approx. time before evicting the process again */ 70426103436SFelix Kuehling #define PROCESS_ACTIVE_TIME_MS 10 70526103436SFelix Kuehling 7065ec7e028SFelix Kuehling /* 8 byte handle containing GPU ID in the most significant 4 bytes and 7075ec7e028SFelix Kuehling * idr_handle in the least significant 4 bytes 7085ec7e028SFelix Kuehling */ 7095ec7e028SFelix Kuehling #define MAKE_HANDLE(gpu_id, idr_handle) \ 7105ec7e028SFelix Kuehling (((uint64_t)(gpu_id) << 32) + idr_handle) 7115ec7e028SFelix Kuehling #define GET_GPU_ID(handle) (handle >> 32) 7125ec7e028SFelix Kuehling #define GET_IDR_HANDLE(handle) (handle & 0xFFFFFFFF) 7135ec7e028SFelix Kuehling 714733fa1f7SYong Zhao enum kfd_pdd_bound { 715733fa1f7SYong Zhao PDD_UNBOUND = 0, 716733fa1f7SYong Zhao PDD_BOUND, 717733fa1f7SYong Zhao PDD_BOUND_SUSPENDED, 718733fa1f7SYong Zhao }; 719733fa1f7SYong Zhao 7204327bed2SPhilip Cox #define MAX_SYSFS_FILENAME_LEN 15 72132cb59f3SMukul Joshi 72232cb59f3SMukul Joshi /* 72332cb59f3SMukul Joshi * SDMA counter runs at 100MHz frequency. 72432cb59f3SMukul Joshi * We display SDMA activity in microsecond granularity in sysfs. 72532cb59f3SMukul Joshi * As a result, the divisor is 100. 72632cb59f3SMukul Joshi */ 72732cb59f3SMukul Joshi #define SDMA_ACTIVITY_DIVISOR 100 728d4566deeSMukul Joshi 72919f6d2a6SOded Gabbay /* Data that is per-process-per device. */ 73019f6d2a6SOded Gabbay struct kfd_process_device { 73119f6d2a6SOded Gabbay /* The device that owns this data. */ 7328dc1db31SMukul Joshi struct kfd_node *dev; 73319f6d2a6SOded Gabbay 7349fd3f1bfSFelix Kuehling /* The process that owns this kfd_process_device. */ 7359fd3f1bfSFelix Kuehling struct kfd_process *process; 73619f6d2a6SOded Gabbay 73745102048SBen Goz /* per-process-per device QCM data structure */ 73845102048SBen Goz struct qcm_process_device qpd; 73945102048SBen Goz 74019f6d2a6SOded Gabbay /*Apertures*/ 74119f6d2a6SOded Gabbay uint64_t lds_base; 74219f6d2a6SOded Gabbay uint64_t lds_limit; 74319f6d2a6SOded Gabbay uint64_t gpuvm_base; 74419f6d2a6SOded Gabbay uint64_t gpuvm_limit; 74519f6d2a6SOded Gabbay uint64_t scratch_base; 74619f6d2a6SOded Gabbay uint64_t scratch_limit; 74719f6d2a6SOded Gabbay 748403575c4SFelix Kuehling /* VM context for GPUVM allocations */ 749b84394e2SFelix Kuehling struct file *drm_file; 750b40a6ab2SFelix Kuehling void *drm_priv; 7518fde0248SPhilip Yang atomic64_t tlb_seq; 752403575c4SFelix Kuehling 75352b29d73SFelix Kuehling /* GPUVM allocations storage */ 75452b29d73SFelix Kuehling struct idr alloc_idr; 75552b29d73SFelix Kuehling 7569fd3f1bfSFelix Kuehling /* Flag used to tell the pdd has dequeued from the dqm. 7579fd3f1bfSFelix Kuehling * This is used to prevent dev->dqm->ops.process_termination() from 7589fd3f1bfSFelix Kuehling * being called twice when it is already called in IOMMU callback 7599fd3f1bfSFelix Kuehling * function. 760a82918f1SBen Goz */ 7619fd3f1bfSFelix Kuehling bool already_dequeued; 7629593f4d6SRajneesh Bhardwaj bool runtime_inuse; 76364d1c3a4SFelix Kuehling 76464d1c3a4SFelix Kuehling /* Is this process/pasid bound to this device? (amd_iommu_bind_pasid) */ 76564d1c3a4SFelix Kuehling enum kfd_pdd_bound bound; 766d4566deeSMukul Joshi 767d4566deeSMukul Joshi /* VRAM usage */ 768d4566deeSMukul Joshi uint64_t vram_usage; 769d4566deeSMukul Joshi struct attribute attr_vram; 77032cb59f3SMukul Joshi char vram_filename[MAX_SYSFS_FILENAME_LEN]; 77132cb59f3SMukul Joshi 77232cb59f3SMukul Joshi /* SDMA activity tracking */ 77332cb59f3SMukul Joshi uint64_t sdma_past_activity_counter; 77432cb59f3SMukul Joshi struct attribute attr_sdma; 77532cb59f3SMukul Joshi char sdma_filename[MAX_SYSFS_FILENAME_LEN]; 7764327bed2SPhilip Cox 7774327bed2SPhilip Cox /* Eviction activity tracking */ 7784327bed2SPhilip Cox uint64_t last_evict_timestamp; 7794327bed2SPhilip Cox atomic64_t evict_duration_counter; 7804327bed2SPhilip Cox struct attribute attr_evict; 7814327bed2SPhilip Cox 7824327bed2SPhilip Cox struct kobject *kobj_stats; 783f2fa07b3SRamesh Errabolu 784f2fa07b3SRamesh Errabolu /* 785f2fa07b3SRamesh Errabolu * @cu_occupancy: Reports occupancy of Compute Units (CU) of a process 786f2fa07b3SRamesh Errabolu * that is associated with device encoded by "this" struct instance. The 787f2fa07b3SRamesh Errabolu * value reflects CU usage by all of the waves launched by this process 788f2fa07b3SRamesh Errabolu * on this device. A very important property of occupancy parameter is 789f2fa07b3SRamesh Errabolu * that its value is a snapshot of current use. 790f2fa07b3SRamesh Errabolu * 791f2fa07b3SRamesh Errabolu * Following is to be noted regarding how this parameter is reported: 792f2fa07b3SRamesh Errabolu * 793f2fa07b3SRamesh Errabolu * The number of waves that a CU can launch is limited by couple of 794f2fa07b3SRamesh Errabolu * parameters. These are encoded by struct amdgpu_cu_info instance 795f2fa07b3SRamesh Errabolu * that is part of every device definition. For GFX9 devices this 796f2fa07b3SRamesh Errabolu * translates to 40 waves (simd_per_cu * max_waves_per_simd) when waves 797f2fa07b3SRamesh Errabolu * do not use scratch memory and 32 waves (max_scratch_slots_per_cu) 798f2fa07b3SRamesh Errabolu * when they do use scratch memory. This could change for future 799f2fa07b3SRamesh Errabolu * devices and therefore this example should be considered as a guide. 800f2fa07b3SRamesh Errabolu * 801f2fa07b3SRamesh Errabolu * All CU's of a device are available for the process. This may not be true 802f2fa07b3SRamesh Errabolu * under certain conditions - e.g. CU masking. 803f2fa07b3SRamesh Errabolu * 804f2fa07b3SRamesh Errabolu * Finally number of CU's that are occupied by a process is affected by both 805f2fa07b3SRamesh Errabolu * number of CU's a device has along with number of other competing processes 806f2fa07b3SRamesh Errabolu */ 807f2fa07b3SRamesh Errabolu struct attribute attr_cu_occupancy; 808751580b3SPhilip Yang 809751580b3SPhilip Yang /* sysfs counters for GPU retry fault and page migration tracking */ 810751580b3SPhilip Yang struct kobject *kobj_counters; 811751580b3SPhilip Yang struct attribute attr_faults; 812751580b3SPhilip Yang struct attribute attr_page_in; 813751580b3SPhilip Yang struct attribute attr_page_out; 814751580b3SPhilip Yang uint64_t faults; 815751580b3SPhilip Yang uint64_t page_in; 816751580b3SPhilip Yang uint64_t page_out; 8170de4ec9aSJonathan Kim 81844b87bb0SJonathan Kim /* Exception code status*/ 81944b87bb0SJonathan Kim uint64_t exception_status; 82044b87bb0SJonathan Kim void *vm_fault_exc_data; 82144b87bb0SJonathan Kim size_t vm_fault_exc_data_size; 82244b87bb0SJonathan Kim 8230de4ec9aSJonathan Kim /* Tracks debug per-vmid request settings */ 8240de4ec9aSJonathan Kim uint32_t spi_dbg_override; 8250de4ec9aSJonathan Kim uint32_t spi_dbg_launch_mode; 8260de4ec9aSJonathan Kim uint32_t watch_points[4]; 827e0f85f46SJonathan Kim uint32_t alloc_watch_ids; 8280de4ec9aSJonathan Kim 829bef153b7SDavid Yat Sin /* 830bef153b7SDavid Yat Sin * If this process has been checkpointed before, then the user 831bef153b7SDavid Yat Sin * application will use the original gpu_id on the 832bef153b7SDavid Yat Sin * checkpointed node to refer to this device. 833bef153b7SDavid Yat Sin */ 834bef153b7SDavid Yat Sin uint32_t user_gpu_id; 835cc009e61SMukul Joshi 836cc009e61SMukul Joshi void *proc_ctx_bo; 837cc009e61SMukul Joshi uint64_t proc_ctx_gpu_addr; 838cc009e61SMukul Joshi void *proc_ctx_cpu_ptr; 83919f6d2a6SOded Gabbay }; 84019f6d2a6SOded Gabbay 84152a5fdceSAlexey Skidanov #define qpd_to_pdd(x) container_of(x, struct kfd_process_device, qpd) 84252a5fdceSAlexey Skidanov 84342de677fSPhilip Yang struct svm_range_list { 84442de677fSPhilip Yang struct mutex lock; 84542de677fSPhilip Yang struct rb_root_cached objects; 84642de677fSPhilip Yang struct list_head list; 8474683cfecSPhilip Yang struct work_struct deferred_list_work; 8484683cfecSPhilip Yang struct list_head deferred_range_list; 849c2db32ceSRajneesh Bhardwaj struct list_head criu_svm_metadata_list; 8504683cfecSPhilip Yang spinlock_t deferred_list_lock; 8518a7c184aSFelix Kuehling atomic_t evicted_ranges; 8522e447728SPhilip Yang atomic_t drain_pagefaults; 8538a7c184aSFelix Kuehling struct delayed_work restore_work; 8545a75ea56SFelix Kuehling DECLARE_BITMAP(bitmap_supported, MAX_GPU_INSTANCE); 855a6283010SAlex Sierra struct task_struct *faulting_task; 85642de677fSPhilip Yang }; 85742de677fSPhilip Yang 8584a488a7aSOded Gabbay /* Process data */ 8594a488a7aSOded Gabbay struct kfd_process { 86019f6d2a6SOded Gabbay /* 86119f6d2a6SOded Gabbay * kfd_process are stored in an mm_struct*->kfd_process* 86219f6d2a6SOded Gabbay * hash table (kfd_processes in kfd_process.c) 86319f6d2a6SOded Gabbay */ 86419f6d2a6SOded Gabbay struct hlist_node kfd_processes; 86519f6d2a6SOded Gabbay 8669b56bb11SFelix Kuehling /* 8679b56bb11SFelix Kuehling * Opaque pointer to mm_struct. We don't hold a reference to 8689b56bb11SFelix Kuehling * it so it should never be dereferenced from here. This is 8699b56bb11SFelix Kuehling * only used for looking up processes by their mm. 8709b56bb11SFelix Kuehling */ 8719b56bb11SFelix Kuehling void *mm; 87219f6d2a6SOded Gabbay 8735ce10687SFelix Kuehling struct kref ref; 8745ce10687SFelix Kuehling struct work_struct release_work; 8755ce10687SFelix Kuehling 87619f6d2a6SOded Gabbay struct mutex mutex; 87719f6d2a6SOded Gabbay 87819f6d2a6SOded Gabbay /* 87919f6d2a6SOded Gabbay * In any process, the thread that started main() is the lead 88019f6d2a6SOded Gabbay * thread and outlives the rest. 88119f6d2a6SOded Gabbay * It is here because amd_iommu_bind_pasid wants a task_struct. 882894a8293SFelix Kuehling * It can also be used for safely getting a reference to the 883894a8293SFelix Kuehling * mm_struct of the process. 88419f6d2a6SOded Gabbay */ 88519f6d2a6SOded Gabbay struct task_struct *lead_thread; 88619f6d2a6SOded Gabbay 88719f6d2a6SOded Gabbay /* We want to receive a notification when the mm_struct is destroyed */ 88819f6d2a6SOded Gabbay struct mmu_notifier mmu_notifier; 88919f6d2a6SOded Gabbay 890c7b6bac9SFenghua Yu u32 pasid; 89119f6d2a6SOded Gabbay 89219f6d2a6SOded Gabbay /* 8936ae27841SAlex Sierra * Array of kfd_process_device pointers, 89419f6d2a6SOded Gabbay * one for each device the process is using. 89519f6d2a6SOded Gabbay */ 8966ae27841SAlex Sierra struct kfd_process_device *pdds[MAX_GPU_INSTANCE]; 8976ae27841SAlex Sierra uint32_t n_pdds; 89819f6d2a6SOded Gabbay 89945102048SBen Goz struct process_queue_manager pqm; 90045102048SBen Goz 90119f6d2a6SOded Gabbay /*Is the user space process 32 bit?*/ 90219f6d2a6SOded Gabbay bool is_32bit_user_mode; 903f3a39818SAndrew Lewycky 904f3a39818SAndrew Lewycky /* Event-related data */ 905f3a39818SAndrew Lewycky struct mutex event_mutex; 906482f0777SFelix Kuehling /* Event ID allocator and lookup */ 907482f0777SFelix Kuehling struct idr event_idr; 90850cb7dd9SFelix Kuehling /* Event page */ 90968df0f19SLang Yu u64 signal_handle; 91050cb7dd9SFelix Kuehling struct kfd_signal_page *signal_page; 911b9a5d0a5SFelix Kuehling size_t signal_mapped_size; 912f3a39818SAndrew Lewycky size_t signal_event_count; 913c986169fSFelix Kuehling bool signal_event_limit_reached; 914403575c4SFelix Kuehling 915403575c4SFelix Kuehling /* Information used for memory eviction */ 916403575c4SFelix Kuehling void *kgd_process_info; 917403575c4SFelix Kuehling /* Eviction fence that is attached to all the BOs of this process. The 918403575c4SFelix Kuehling * fence will be triggered during eviction and new one will be created 919403575c4SFelix Kuehling * during restore 920403575c4SFelix Kuehling */ 921403575c4SFelix Kuehling struct dma_fence *ef; 92226103436SFelix Kuehling 92326103436SFelix Kuehling /* Work items for evicting and restoring BOs */ 92426103436SFelix Kuehling struct delayed_work eviction_work; 92526103436SFelix Kuehling struct delayed_work restore_work; 92626103436SFelix Kuehling /* seqno of the last scheduled eviction */ 92726103436SFelix Kuehling unsigned int last_eviction_seqno; 92826103436SFelix Kuehling /* Approx. the last timestamp (in jiffies) when the process was 92926103436SFelix Kuehling * restored after an eviction 93026103436SFelix Kuehling */ 93126103436SFelix Kuehling unsigned long last_restore_timestamp; 932de9f26bbSKent Russell 9330ab2d753SJonathan Kim /* Indicates device process is debug attached with reserved vmid. */ 9340ab2d753SJonathan Kim bool debug_trap_enabled; 9350ab2d753SJonathan Kim 9360ab2d753SJonathan Kim /* per-process-per device debug event fd file */ 9370ab2d753SJonathan Kim struct file *dbg_ev_file; 9380ab2d753SJonathan Kim 9390ab2d753SJonathan Kim /* If the process is a kfd debugger, we need to know so we can clean 9400ab2d753SJonathan Kim * up at exit time. If a process enables debugging on itself, it does 9410ab2d753SJonathan Kim * its own clean-up, so we don't set the flag here. We track this by 9420ab2d753SJonathan Kim * counting the number of processes this process is debugging. 9430ab2d753SJonathan Kim */ 9440ab2d753SJonathan Kim atomic_t debugged_process_count; 9450ab2d753SJonathan Kim 9460ab2d753SJonathan Kim /* If the process is a debugged, this is the debugger process */ 9470ab2d753SJonathan Kim struct kfd_process *debugger_process; 9480ab2d753SJonathan Kim 949de9f26bbSKent Russell /* Kobj for our procfs */ 950de9f26bbSKent Russell struct kobject *kobj; 9516d220a7eSAmber Lin struct kobject *kobj_queues; 952de9f26bbSKent Russell struct attribute attr_pasid; 95340ce74d1SPhilip Yang 9540ab2d753SJonathan Kim /* Keep track cwsr init */ 9550ab2d753SJonathan Kim bool has_cwsr; 9560ab2d753SJonathan Kim 9570ab2d753SJonathan Kim /* Exception code enable mask and status */ 9580ab2d753SJonathan Kim uint64_t exception_enable_mask; 95944b87bb0SJonathan Kim uint64_t exception_status; 9600ab2d753SJonathan Kim 96112fb1ad7SJonathan Kim /* Used to drain stale interrupts */ 96212fb1ad7SJonathan Kim wait_queue_head_t wait_irq_drain; 96312fb1ad7SJonathan Kim bool irq_drain_is_open; 96412fb1ad7SJonathan Kim 96542de677fSPhilip Yang /* shared virtual memory registered by this process */ 96642de677fSPhilip Yang struct svm_range_list svms; 967063e33c5SAlex Sierra 968063e33c5SAlex Sierra bool xnack_enabled; 969b6485bedSTao Zhou 97044b87bb0SJonathan Kim /* Work area for debugger event writer worker. */ 97144b87bb0SJonathan Kim struct work_struct debug_event_workarea; 97244b87bb0SJonathan Kim 9730de4ec9aSJonathan Kim /* Tracks debug per-vmid request for debug flags */ 9740de4ec9aSJonathan Kim bool dbg_flags; 9750de4ec9aSJonathan Kim 976b6485bedSTao Zhou atomic_t poison; 977cd9f7910SDavid Yat Sin /* Queues are in paused stated because we are in the process of doing a CRIU checkpoint */ 978cd9f7910SDavid Yat Sin bool queues_paused; 9790ab2d753SJonathan Kim 9800ab2d753SJonathan Kim /* Tracks runtime enable status */ 981c2d2588cSJonathan Kim struct semaphore runtime_enable_sema; 982455227c4SJonathan Kim bool is_runtime_retry; 9830ab2d753SJonathan Kim struct kfd_runtime_info runtime_info; 9844a488a7aSOded Gabbay }; 9854a488a7aSOded Gabbay 98664d1c3a4SFelix Kuehling #define KFD_PROCESS_TABLE_SIZE 5 /* bits: 32 entries */ 98764d1c3a4SFelix Kuehling extern DECLARE_HASHTABLE(kfd_processes_table, KFD_PROCESS_TABLE_SIZE); 98864d1c3a4SFelix Kuehling extern struct srcu_struct kfd_processes_srcu; 98964d1c3a4SFelix Kuehling 99076baee6cSOded Gabbay /** 991a4497974SRajneesh Bhardwaj * typedef amdkfd_ioctl_t - typedef for ioctl function pointer. 99276baee6cSOded Gabbay * 993a4497974SRajneesh Bhardwaj * @filep: pointer to file structure. 994a4497974SRajneesh Bhardwaj * @p: amdkfd process pointer. 995a4497974SRajneesh Bhardwaj * @data: pointer to arg that was copied from user. 996a4497974SRajneesh Bhardwaj * 997a4497974SRajneesh Bhardwaj * Return: returns ioctl completion code. 99876baee6cSOded Gabbay */ 99976baee6cSOded Gabbay typedef int amdkfd_ioctl_t(struct file *filep, struct kfd_process *p, 100076baee6cSOded Gabbay void *data); 100176baee6cSOded Gabbay 100276baee6cSOded Gabbay struct amdkfd_ioctl_desc { 100376baee6cSOded Gabbay unsigned int cmd; 100476baee6cSOded Gabbay int flags; 100576baee6cSOded Gabbay amdkfd_ioctl_t *func; 100676baee6cSOded Gabbay unsigned int cmd_drv; 100776baee6cSOded Gabbay const char *name; 100876baee6cSOded Gabbay }; 10098dc1db31SMukul Joshi bool kfd_dev_is_large_bar(struct kfd_node *dev); 101076baee6cSOded Gabbay 10111679ae8fSFelix Kuehling int kfd_process_create_wq(void); 101219f6d2a6SOded Gabbay void kfd_process_destroy_wq(void); 101322e3d934SDavid Belanger void kfd_cleanup_processes(void); 10140ab2d753SJonathan Kim struct kfd_process *kfd_create_process(struct task_struct *thread); 10152243f493SRajneesh Bhardwaj struct kfd_process *kfd_get_process(const struct task_struct *task); 1016c7b6bac9SFenghua Yu struct kfd_process *kfd_lookup_process_by_pasid(u32 pasid); 101726103436SFelix Kuehling struct kfd_process *kfd_lookup_process_by_mm(const struct mm_struct *mm); 10182aeb742bSAlex Sierra 10192aeb742bSAlex Sierra int kfd_process_gpuidx_from_gpuid(struct kfd_process *p, uint32_t gpu_id); 10205fb34bd9SAlex Sierra int kfd_process_gpuid_from_node(struct kfd_process *p, struct kfd_node *node, 10215fb34bd9SAlex Sierra uint32_t *gpuid, uint32_t *gpuidx); 10222aeb742bSAlex Sierra static inline int kfd_process_gpuid_from_gpuidx(struct kfd_process *p, 10232aeb742bSAlex Sierra uint32_t gpuidx, uint32_t *gpuid) { 10242aeb742bSAlex Sierra return gpuidx < p->n_pdds ? p->pdds[gpuidx]->dev->id : -EINVAL; 10252aeb742bSAlex Sierra } 10262aeb742bSAlex Sierra static inline struct kfd_process_device *kfd_process_device_from_gpuidx( 10272aeb742bSAlex Sierra struct kfd_process *p, uint32_t gpuidx) { 10282aeb742bSAlex Sierra return gpuidx < p->n_pdds ? p->pdds[gpuidx] : NULL; 10292aeb742bSAlex Sierra } 10302aeb742bSAlex Sierra 1031abb208a8SFelix Kuehling void kfd_unref_process(struct kfd_process *p); 1032c7f21978SPhilip Yang int kfd_process_evict_queues(struct kfd_process *p, uint32_t trigger); 10336b95e797SFelix Kuehling int kfd_process_restore_queues(struct kfd_process *p); 103426103436SFelix Kuehling void kfd_suspend_all_processes(void); 103526103436SFelix Kuehling int kfd_resume_all_processes(void); 103619f6d2a6SOded Gabbay 1037bef153b7SDavid Yat Sin struct kfd_process_device *kfd_process_device_data_by_id(struct kfd_process *process, 1038bef153b7SDavid Yat Sin uint32_t gpu_id); 1039bef153b7SDavid Yat Sin 1040bef153b7SDavid Yat Sin int kfd_process_get_user_gpu_id(struct kfd_process *p, uint32_t actual_gpu_id); 1041bef153b7SDavid Yat Sin 1042b84394e2SFelix Kuehling int kfd_process_device_init_vm(struct kfd_process_device *pdd, 1043b84394e2SFelix Kuehling struct file *drm_file); 10448dc1db31SMukul Joshi struct kfd_process_device *kfd_bind_process_to_device(struct kfd_node *dev, 104564c7f8cfSBen Goz struct kfd_process *p); 10468dc1db31SMukul Joshi struct kfd_process_device *kfd_get_process_device_data(struct kfd_node *dev, 1047093c7d8cSAlexey Skidanov struct kfd_process *p); 10488dc1db31SMukul Joshi struct kfd_process_device *kfd_create_process_device_data(struct kfd_node *dev, 1049093c7d8cSAlexey Skidanov struct kfd_process *p); 105019f6d2a6SOded Gabbay 1051063e33c5SAlex Sierra bool kfd_process_xnack_mode(struct kfd_process *p, bool supported); 1052063e33c5SAlex Sierra 10538dc1db31SMukul Joshi int kfd_reserved_mem_mmap(struct kfd_node *dev, struct kfd_process *process, 1054373d7080SFelix Kuehling struct vm_area_struct *vma); 1055373d7080SFelix Kuehling 105652b29d73SFelix Kuehling /* KFD process API for creating and translating handles */ 105752b29d73SFelix Kuehling int kfd_process_device_create_obj_handle(struct kfd_process_device *pdd, 105852b29d73SFelix Kuehling void *mem); 105952b29d73SFelix Kuehling void *kfd_process_device_translate_handle(struct kfd_process_device *p, 106052b29d73SFelix Kuehling int handle); 106152b29d73SFelix Kuehling void kfd_process_device_remove_obj_handle(struct kfd_process_device *pdd, 106252b29d73SFelix Kuehling int handle); 1063011bbb03SRajneesh Bhardwaj struct kfd_process *kfd_lookup_process_by_pid(struct pid *pid); 106452b29d73SFelix Kuehling 106519f6d2a6SOded Gabbay /* PASIDs */ 106619f6d2a6SOded Gabbay int kfd_pasid_init(void); 106719f6d2a6SOded Gabbay void kfd_pasid_exit(void); 106819f6d2a6SOded Gabbay bool kfd_set_pasid_limit(unsigned int new_limit); 106919f6d2a6SOded Gabbay unsigned int kfd_get_pasid_limit(void); 1070c7b6bac9SFenghua Yu u32 kfd_pasid_alloc(void); 1071c7b6bac9SFenghua Yu void kfd_pasid_free(u32 pasid); 107219f6d2a6SOded Gabbay 107319f6d2a6SOded Gabbay /* Doorbells */ 1074ef568db7SFelix Kuehling size_t kfd_doorbell_process_slice(struct kfd_dev *kfd); 1075735df2baSFelix Kuehling int kfd_doorbell_init(struct kfd_dev *kfd); 1076735df2baSFelix Kuehling void kfd_doorbell_fini(struct kfd_dev *kfd); 10778dc1db31SMukul Joshi int kfd_doorbell_mmap(struct kfd_node *dev, struct kfd_process *process, 1078df03ef93SHarish Kasiviswanathan struct vm_area_struct *vma); 1079ada2b29cSFelix Kuehling void __iomem *kfd_get_kernel_doorbell(struct kfd_dev *kfd, 108019f6d2a6SOded Gabbay unsigned int *doorbell_off); 108119f6d2a6SOded Gabbay void kfd_release_kernel_doorbell(struct kfd_dev *kfd, u32 __iomem *db_addr); 108219f6d2a6SOded Gabbay u32 read_kernel_doorbell(u32 __iomem *db); 1083ada2b29cSFelix Kuehling void write_kernel_doorbell(void __iomem *db, u32 value); 10849d7d0248SFelix Kuehling void write_kernel_doorbell64(void __iomem *db, u64 value); 1085339903faSYong Zhao unsigned int kfd_get_doorbell_dw_offset_in_bar(struct kfd_dev *kfd, 108659d7115dSMukul Joshi struct kfd_process_device *pdd, 1087ef568db7SFelix Kuehling unsigned int doorbell_id); 108859d7115dSMukul Joshi phys_addr_t kfd_get_process_doorbells(struct kfd_process_device *pdd); 108959d7115dSMukul Joshi int kfd_alloc_process_doorbells(struct kfd_dev *kfd, 10902105a15aSShashank Sharma struct kfd_process_device *pdd); 109159d7115dSMukul Joshi void kfd_free_process_doorbells(struct kfd_dev *kfd, 10922105a15aSShashank Sharma struct kfd_process_device *pdd); 10936e81090bSOded Gabbay /* GTT Sub-Allocator */ 10946e81090bSOded Gabbay 10958dc1db31SMukul Joshi int kfd_gtt_sa_allocate(struct kfd_node *node, unsigned int size, 10966e81090bSOded Gabbay struct kfd_mem_obj **mem_obj); 10976e81090bSOded Gabbay 10988dc1db31SMukul Joshi int kfd_gtt_sa_free(struct kfd_node *node, struct kfd_mem_obj *mem_obj); 10996e81090bSOded Gabbay 11004a488a7aSOded Gabbay extern struct device *kfd_device; 11014a488a7aSOded Gabbay 1102de9f26bbSKent Russell /* KFD's procfs */ 1103de9f26bbSKent Russell void kfd_procfs_init(void); 1104de9f26bbSKent Russell void kfd_procfs_shutdown(void); 11056d220a7eSAmber Lin int kfd_procfs_add_queue(struct queue *q); 11066d220a7eSAmber Lin void kfd_procfs_del_queue(struct queue *q); 1107de9f26bbSKent Russell 11085b5c4e40SEvgeny Pinchuk /* Topology */ 11095b5c4e40SEvgeny Pinchuk int kfd_topology_init(void); 11105b5c4e40SEvgeny Pinchuk void kfd_topology_shutdown(void); 11118dc1db31SMukul Joshi int kfd_topology_add_device(struct kfd_node *gpu); 11128dc1db31SMukul Joshi int kfd_topology_remove_device(struct kfd_node *gpu); 11133a87177eSHarish Kasiviswanathan struct kfd_topology_device *kfd_topology_device_by_proximity_domain( 11143a87177eSHarish Kasiviswanathan uint32_t proximity_domain); 111546d18d51SMukul Joshi struct kfd_topology_device *kfd_topology_device_by_proximity_domain_no_lock( 111646d18d51SMukul Joshi uint32_t proximity_domain); 111744d8cc6fSYong Zhao struct kfd_topology_device *kfd_topology_device_by_id(uint32_t gpu_id); 11188dc1db31SMukul Joshi struct kfd_node *kfd_device_by_id(uint32_t gpu_id); 11198dc1db31SMukul Joshi struct kfd_node *kfd_device_by_pci_dev(const struct pci_dev *pdev); 1120f5fe7edfSMukul Joshi static inline bool kfd_irq_is_from_node(struct kfd_node *node, uint32_t node_id, 1121f5fe7edfSMukul Joshi uint32_t vmid) 11225fb34bd9SAlex Sierra { 1123f5fe7edfSMukul Joshi return (node->interrupt_bitmap & (1 << node_id)) != 0 && 1124f5fe7edfSMukul Joshi (node->compute_vmid_bitmap & (1 << vmid)) != 0; 11255fb34bd9SAlex Sierra } 11265fb34bd9SAlex Sierra static inline struct kfd_node *kfd_node_by_irq_ids(struct amdgpu_device *adev, 1127f5fe7edfSMukul Joshi uint32_t node_id, uint32_t vmid) { 11285fb34bd9SAlex Sierra struct kfd_dev *dev = adev->kfd.dev; 11295fb34bd9SAlex Sierra uint32_t i; 11305fb34bd9SAlex Sierra 1131*867ecd89SMukul Joshi if (KFD_GC_VERSION(dev) != IP_VERSION(9, 4, 3)) 11325fb34bd9SAlex Sierra return dev->nodes[0]; 11335fb34bd9SAlex Sierra 11345fb34bd9SAlex Sierra for (i = 0; i < dev->num_nodes; i++) 1135f5fe7edfSMukul Joshi if (kfd_irq_is_from_node(dev->nodes[i], node_id, vmid)) 11365fb34bd9SAlex Sierra return dev->nodes[i]; 11375fb34bd9SAlex Sierra 11385fb34bd9SAlex Sierra return NULL; 11395fb34bd9SAlex Sierra } 11408dc1db31SMukul Joshi int kfd_topology_enum_kfd_devices(uint8_t idx, struct kfd_node **kdev); 1141520b8fb7SFelix Kuehling int kfd_numa_node_to_apic_id(int numa_node_id); 11425b5c4e40SEvgeny Pinchuk 11434a488a7aSOded Gabbay /* Interrupts */ 114412fb1ad7SJonathan Kim #define KFD_IRQ_FENCE_CLIENTID 0xff 114512fb1ad7SJonathan Kim #define KFD_IRQ_FENCE_SOURCEID 0xff 114612fb1ad7SJonathan Kim #define KFD_IRQ_IS_FENCE(client, source) \ 114712fb1ad7SJonathan Kim ((client) == KFD_IRQ_FENCE_CLIENTID && \ 114812fb1ad7SJonathan Kim (source) == KFD_IRQ_FENCE_SOURCEID) 11498dc1db31SMukul Joshi int kfd_interrupt_init(struct kfd_node *dev); 11508dc1db31SMukul Joshi void kfd_interrupt_exit(struct kfd_node *dev); 11518dc1db31SMukul Joshi bool enqueue_ih_ring_entry(struct kfd_node *kfd, const void *ih_ring_entry); 11528dc1db31SMukul Joshi bool interrupt_is_wanted(struct kfd_node *dev, 115358e69886SLan Xiao const uint32_t *ih_ring_entry, 115458e69886SLan Xiao uint32_t *patched_ihre, bool *flag); 115512fb1ad7SJonathan Kim int kfd_process_drain_interrupts(struct kfd_process_device *pdd); 115612fb1ad7SJonathan Kim void kfd_process_close_interrupt_drain(unsigned int pasid); 11574a488a7aSOded Gabbay 115819f6d2a6SOded Gabbay /* amdkfd Apertures */ 115919f6d2a6SOded Gabbay int kfd_init_apertures(struct kfd_process *process); 116019f6d2a6SOded Gabbay 11617c9631afSJay Cornwall void kfd_process_set_trap_handler(struct qcm_process_device *qpd, 11627c9631afSJay Cornwall uint64_t tba_addr, 11637c9631afSJay Cornwall uint64_t tma_addr); 116450cff45eSJay Cornwall void kfd_process_set_trap_debug_flag(struct qcm_process_device *qpd, 116550cff45eSJay Cornwall bool enabled); 11667c9631afSJay Cornwall 11670ab2d753SJonathan Kim /* CWSR initialization */ 11680ab2d753SJonathan Kim int kfd_process_init_cwsr_apu(struct kfd_process *process, struct file *filep); 11690ab2d753SJonathan Kim 117036988070SRajneesh Bhardwaj /* CRIU */ 117136988070SRajneesh Bhardwaj /* 117236988070SRajneesh Bhardwaj * Need to increment KFD_CRIU_PRIV_VERSION each time a change is made to any of the CRIU private 117336988070SRajneesh Bhardwaj * structures: 117436988070SRajneesh Bhardwaj * kfd_criu_process_priv_data 117536988070SRajneesh Bhardwaj * kfd_criu_device_priv_data 117636988070SRajneesh Bhardwaj * kfd_criu_bo_priv_data 117736988070SRajneesh Bhardwaj * kfd_criu_queue_priv_data 117836988070SRajneesh Bhardwaj * kfd_criu_event_priv_data 117936988070SRajneesh Bhardwaj * kfd_criu_svm_range_priv_data 118036988070SRajneesh Bhardwaj */ 118136988070SRajneesh Bhardwaj 118236988070SRajneesh Bhardwaj #define KFD_CRIU_PRIV_VERSION 1 118336988070SRajneesh Bhardwaj 118436988070SRajneesh Bhardwaj struct kfd_criu_process_priv_data { 118536988070SRajneesh Bhardwaj uint32_t version; 11864717fe3dSRajneesh Bhardwaj uint32_t xnack_mode; 118736988070SRajneesh Bhardwaj }; 118836988070SRajneesh Bhardwaj 118936988070SRajneesh Bhardwaj struct kfd_criu_device_priv_data { 119036988070SRajneesh Bhardwaj /* For future use */ 119136988070SRajneesh Bhardwaj uint64_t reserved; 119236988070SRajneesh Bhardwaj }; 119336988070SRajneesh Bhardwaj 119436988070SRajneesh Bhardwaj struct kfd_criu_bo_priv_data { 11955ccbb057SRajneesh Bhardwaj uint64_t user_addr; 11965ccbb057SRajneesh Bhardwaj uint32_t idr_handle; 11975ccbb057SRajneesh Bhardwaj uint32_t mapped_gpuids[MAX_GPU_INSTANCE]; 119836988070SRajneesh Bhardwaj }; 119936988070SRajneesh Bhardwaj 1200626f7b31SDavid Yat Sin /* 1201626f7b31SDavid Yat Sin * The first 4 bytes of kfd_criu_queue_priv_data, kfd_criu_event_priv_data, 1202626f7b31SDavid Yat Sin * kfd_criu_svm_range_priv_data is the object type 1203626f7b31SDavid Yat Sin */ 1204626f7b31SDavid Yat Sin enum kfd_criu_object_type { 1205626f7b31SDavid Yat Sin KFD_CRIU_OBJECT_TYPE_QUEUE, 1206626f7b31SDavid Yat Sin KFD_CRIU_OBJECT_TYPE_EVENT, 1207626f7b31SDavid Yat Sin KFD_CRIU_OBJECT_TYPE_SVM_RANGE, 1208626f7b31SDavid Yat Sin }; 1209626f7b31SDavid Yat Sin 121036988070SRajneesh Bhardwaj struct kfd_criu_svm_range_priv_data { 121136988070SRajneesh Bhardwaj uint32_t object_type; 121208a987a8SRajneesh Bhardwaj uint64_t start_addr; 121308a987a8SRajneesh Bhardwaj uint64_t size; 121408a987a8SRajneesh Bhardwaj /* Variable length array of attributes */ 1215d5c83156SChangcheng Deng struct kfd_ioctl_svm_attribute attrs[]; 121636988070SRajneesh Bhardwaj }; 121736988070SRajneesh Bhardwaj 121836988070SRajneesh Bhardwaj struct kfd_criu_queue_priv_data { 121936988070SRajneesh Bhardwaj uint32_t object_type; 1220626f7b31SDavid Yat Sin uint64_t q_address; 1221626f7b31SDavid Yat Sin uint64_t q_size; 1222626f7b31SDavid Yat Sin uint64_t read_ptr_addr; 1223626f7b31SDavid Yat Sin uint64_t write_ptr_addr; 1224626f7b31SDavid Yat Sin uint64_t doorbell_off; 1225626f7b31SDavid Yat Sin uint64_t eop_ring_buffer_address; 1226626f7b31SDavid Yat Sin uint64_t ctx_save_restore_area_address; 1227626f7b31SDavid Yat Sin uint32_t gpu_id; 1228626f7b31SDavid Yat Sin uint32_t type; 1229626f7b31SDavid Yat Sin uint32_t format; 1230626f7b31SDavid Yat Sin uint32_t q_id; 1231626f7b31SDavid Yat Sin uint32_t priority; 1232626f7b31SDavid Yat Sin uint32_t q_percent; 1233626f7b31SDavid Yat Sin uint32_t doorbell_id; 1234747eea07SDavid Yat Sin uint32_t gws; 1235626f7b31SDavid Yat Sin uint32_t sdma_id; 1236626f7b31SDavid Yat Sin uint32_t eop_ring_buffer_size; 1237626f7b31SDavid Yat Sin uint32_t ctx_save_restore_area_size; 1238626f7b31SDavid Yat Sin uint32_t ctl_stack_size; 1239626f7b31SDavid Yat Sin uint32_t mqd_size; 124036988070SRajneesh Bhardwaj }; 124136988070SRajneesh Bhardwaj 124236988070SRajneesh Bhardwaj struct kfd_criu_event_priv_data { 124336988070SRajneesh Bhardwaj uint32_t object_type; 124440e8a766SDavid Yat Sin uint64_t user_handle; 124540e8a766SDavid Yat Sin uint32_t event_id; 124640e8a766SDavid Yat Sin uint32_t auto_reset; 124740e8a766SDavid Yat Sin uint32_t type; 124840e8a766SDavid Yat Sin uint32_t signaled; 124940e8a766SDavid Yat Sin 125040e8a766SDavid Yat Sin union { 125140e8a766SDavid Yat Sin struct kfd_hsa_memory_exception_data memory_exception_data; 125240e8a766SDavid Yat Sin struct kfd_hsa_hw_exception_data hw_exception_data; 125340e8a766SDavid Yat Sin }; 125436988070SRajneesh Bhardwaj }; 125536988070SRajneesh Bhardwaj 1256626f7b31SDavid Yat Sin int kfd_process_get_queue_info(struct kfd_process *p, 1257626f7b31SDavid Yat Sin uint32_t *num_queues, 1258626f7b31SDavid Yat Sin uint64_t *priv_data_sizes); 1259626f7b31SDavid Yat Sin 1260626f7b31SDavid Yat Sin int kfd_criu_checkpoint_queues(struct kfd_process *p, 1261626f7b31SDavid Yat Sin uint8_t __user *user_priv_data, 1262626f7b31SDavid Yat Sin uint64_t *priv_data_offset); 1263626f7b31SDavid Yat Sin 1264626f7b31SDavid Yat Sin int kfd_criu_restore_queue(struct kfd_process *p, 1265626f7b31SDavid Yat Sin uint8_t __user *user_priv_data, 1266626f7b31SDavid Yat Sin uint64_t *priv_data_offset, 1267626f7b31SDavid Yat Sin uint64_t max_priv_data_size); 126840e8a766SDavid Yat Sin 126940e8a766SDavid Yat Sin int kfd_criu_checkpoint_events(struct kfd_process *p, 127040e8a766SDavid Yat Sin uint8_t __user *user_priv_data, 127140e8a766SDavid Yat Sin uint64_t *priv_data_offset); 127240e8a766SDavid Yat Sin 127340e8a766SDavid Yat Sin int kfd_criu_restore_event(struct file *devkfd, 127440e8a766SDavid Yat Sin struct kfd_process *p, 127540e8a766SDavid Yat Sin uint8_t __user *user_priv_data, 127640e8a766SDavid Yat Sin uint64_t *priv_data_offset, 127740e8a766SDavid Yat Sin uint64_t max_priv_data_size); 127836988070SRajneesh Bhardwaj /* CRIU - End */ 127936988070SRajneesh Bhardwaj 1280ed6e6a34SBen Goz /* Queue Context Management */ 1281e88a614cSEdward O'Callaghan int init_queue(struct queue **q, const struct queue_properties *properties); 1282ed6e6a34SBen Goz void uninit_queue(struct queue *q); 128345102048SBen Goz void print_queue_properties(struct queue_properties *q); 1284ed6e6a34SBen Goz void print_queue(struct queue *q); 1285ed6e6a34SBen Goz 12864b8f589bSBen Goz struct mqd_manager *mqd_manager_init_cik(enum KFD_MQD_TYPE type, 12878dc1db31SMukul Joshi struct kfd_node *dev); 12884b8f589bSBen Goz struct mqd_manager *mqd_manager_init_vi(enum KFD_MQD_TYPE type, 12898dc1db31SMukul Joshi struct kfd_node *dev); 1290b91d43ddSFelix Kuehling struct mqd_manager *mqd_manager_init_v9(enum KFD_MQD_TYPE type, 12918dc1db31SMukul Joshi struct kfd_node *dev); 129214328aa5SPhilip Cox struct mqd_manager *mqd_manager_init_v10(enum KFD_MQD_TYPE type, 12938dc1db31SMukul Joshi struct kfd_node *dev); 1294cc009e61SMukul Joshi struct mqd_manager *mqd_manager_init_v11(enum KFD_MQD_TYPE type, 12958dc1db31SMukul Joshi struct kfd_node *dev); 12968dc1db31SMukul Joshi struct device_queue_manager *device_queue_manager_init(struct kfd_node *dev); 129764c7f8cfSBen Goz void device_queue_manager_uninit(struct device_queue_manager *dqm); 12988dc1db31SMukul Joshi struct kernel_queue *kernel_queue_init(struct kfd_node *dev, 1299241f24f8SBen Goz enum kfd_queue_type type); 1300c2a77fdeSFelix Kuehling void kernel_queue_uninit(struct kernel_queue *kq, bool hanging); 130103e5b167STao Zhou int kfd_dqm_evict_pasid(struct device_queue_manager *dqm, u32 pasid); 1302241f24f8SBen Goz 130345102048SBen Goz /* Process Queue Manager */ 130445102048SBen Goz struct process_queue_node { 130545102048SBen Goz struct queue *q; 130645102048SBen Goz struct kernel_queue *kq; 130745102048SBen Goz struct list_head process_queue_list; 130845102048SBen Goz }; 130945102048SBen Goz 13109fd3f1bfSFelix Kuehling void kfd_process_dequeue_from_device(struct kfd_process_device *pdd); 13119fd3f1bfSFelix Kuehling void kfd_process_dequeue_from_all_devices(struct kfd_process *p); 131245102048SBen Goz int pqm_init(struct process_queue_manager *pqm, struct kfd_process *p); 131345102048SBen Goz void pqm_uninit(struct process_queue_manager *pqm); 131445102048SBen Goz int pqm_create_queue(struct process_queue_manager *pqm, 13158dc1db31SMukul Joshi struct kfd_node *dev, 131645102048SBen Goz struct file *f, 131745102048SBen Goz struct queue_properties *properties, 1318e47a8b52SYong Zhao unsigned int *qid, 1319e77a541fSGraham Sider struct amdgpu_bo *wptr_bo, 13208668dfc3SDavid Yat Sin const struct kfd_criu_queue_priv_data *q_data, 132142c6c482SDavid Yat Sin const void *restore_mqd, 13223a9822d7SDavid Yat Sin const void *restore_ctl_stack, 1323e47a8b52SYong Zhao uint32_t *p_doorbell_offset_in_process); 132445102048SBen Goz int pqm_destroy_queue(struct process_queue_manager *pqm, unsigned int qid); 13257c695a2cSLang Yu int pqm_update_queue_properties(struct process_queue_manager *pqm, unsigned int qid, 132645102048SBen Goz struct queue_properties *p); 13277c695a2cSLang Yu int pqm_update_mqd(struct process_queue_manager *pqm, unsigned int qid, 13287c695a2cSLang Yu struct mqd_update_info *minfo); 1329eb82da1dSOak Zeng int pqm_set_gws(struct process_queue_manager *pqm, unsigned int qid, 1330eb82da1dSOak Zeng void *gws); 1331fbeb661bSYair Shachar struct kernel_queue *pqm_get_kernel_queue(struct process_queue_manager *pqm, 1332fbeb661bSYair Shachar unsigned int qid); 13335bb4b78bSOak Zeng struct queue *pqm_get_user_queue(struct process_queue_manager *pqm, 13345bb4b78bSOak Zeng unsigned int qid); 13355df099e8SJay Cornwall int pqm_get_wave_state(struct process_queue_manager *pqm, 13365df099e8SJay Cornwall unsigned int qid, 13375df099e8SJay Cornwall void __user *ctl_stack, 13385df099e8SJay Cornwall u32 *ctl_stack_used_size, 13395df099e8SJay Cornwall u32 *save_area_used_size); 1340b17bd5dbSJonathan Kim int pqm_get_queue_snapshot(struct process_queue_manager *pqm, 1341b17bd5dbSJonathan Kim uint64_t exception_clear_mask, 1342b17bd5dbSJonathan Kim void __user *buf, 1343b17bd5dbSJonathan Kim int *num_qss_entries, 1344b17bd5dbSJonathan Kim uint32_t *entry_size); 134545102048SBen Goz 1346b010affeSQu Huang int amdkfd_fence_wait_timeout(uint64_t *fence_addr, 1347b010affeSQu Huang uint64_t fence_value, 13488c72c3d7SYong Zhao unsigned int timeout_ms); 1349788bf83dSYair Shachar 135042c6c482SDavid Yat Sin int pqm_get_queue_checkpoint_info(struct process_queue_manager *pqm, 135142c6c482SDavid Yat Sin unsigned int qid, 13523a9822d7SDavid Yat Sin u32 *mqd_size, 13533a9822d7SDavid Yat Sin u32 *ctl_stack_size); 1354ed6e6a34SBen Goz /* Packet Manager */ 1355ed6e6a34SBen Goz 135664c7f8cfSBen Goz #define KFD_FENCE_COMPLETED (100) 135764c7f8cfSBen Goz #define KFD_FENCE_INIT (10) 1358241f24f8SBen Goz 1359ed6e6a34SBen Goz struct packet_manager { 1360ed6e6a34SBen Goz struct device_queue_manager *dqm; 1361ed6e6a34SBen Goz struct kernel_queue *priv_queue; 1362ed6e6a34SBen Goz struct mutex lock; 1363ed6e6a34SBen Goz bool allocated; 1364ed6e6a34SBen Goz struct kfd_mem_obj *ib_buffer_obj; 1365851a645eSFelix Kuehling unsigned int ib_size_bytes; 1366819ec5acSFelix Kuehling bool is_over_subscription; 1367f6e27ff1SFelix Kuehling 1368f6e27ff1SFelix Kuehling const struct packet_manager_funcs *pmf; 1369ed6e6a34SBen Goz }; 1370ed6e6a34SBen Goz 1371f6e27ff1SFelix Kuehling struct packet_manager_funcs { 1372f6e27ff1SFelix Kuehling /* Support ASIC-specific packet formats for PM4 packets */ 1373f6e27ff1SFelix Kuehling int (*map_process)(struct packet_manager *pm, uint32_t *buffer, 1374f6e27ff1SFelix Kuehling struct qcm_process_device *qpd); 1375f6e27ff1SFelix Kuehling int (*runlist)(struct packet_manager *pm, uint32_t *buffer, 1376f6e27ff1SFelix Kuehling uint64_t ib, size_t ib_size_in_dwords, bool chain); 1377f6e27ff1SFelix Kuehling int (*set_resources)(struct packet_manager *pm, uint32_t *buffer, 1378f6e27ff1SFelix Kuehling struct scheduling_resources *res); 1379f6e27ff1SFelix Kuehling int (*map_queues)(struct packet_manager *pm, uint32_t *buffer, 1380f6e27ff1SFelix Kuehling struct queue *q, bool is_static); 1381f6e27ff1SFelix Kuehling int (*unmap_queues)(struct packet_manager *pm, uint32_t *buffer, 1382f6e27ff1SFelix Kuehling enum kfd_unmap_queues_filter mode, 1383d2cb0b21SJonathan Kim uint32_t filter_param, bool reset); 13847cee6a68SJonathan Kim int (*set_grace_period)(struct packet_manager *pm, uint32_t *buffer, 13857cee6a68SJonathan Kim uint32_t grace_period); 1386f6e27ff1SFelix Kuehling int (*query_status)(struct packet_manager *pm, uint32_t *buffer, 1387b010affeSQu Huang uint64_t fence_address, uint64_t fence_value); 1388f6e27ff1SFelix Kuehling int (*release_mem)(uint64_t gpu_addr, uint32_t *buffer); 1389f6e27ff1SFelix Kuehling 1390f6e27ff1SFelix Kuehling /* Packet sizes */ 1391f6e27ff1SFelix Kuehling int map_process_size; 1392f6e27ff1SFelix Kuehling int runlist_size; 1393f6e27ff1SFelix Kuehling int set_resources_size; 1394f6e27ff1SFelix Kuehling int map_queues_size; 1395f6e27ff1SFelix Kuehling int unmap_queues_size; 13967cee6a68SJonathan Kim int set_grace_period_size; 1397f6e27ff1SFelix Kuehling int query_status_size; 1398f6e27ff1SFelix Kuehling int release_mem_size; 1399f6e27ff1SFelix Kuehling }; 1400f6e27ff1SFelix Kuehling 1401f6e27ff1SFelix Kuehling extern const struct packet_manager_funcs kfd_vi_pm_funcs; 1402454150b1SFelix Kuehling extern const struct packet_manager_funcs kfd_v9_pm_funcs; 1403fd6a440eSJonathan Kim extern const struct packet_manager_funcs kfd_aldebaran_pm_funcs; 1404f6e27ff1SFelix Kuehling 140564c7f8cfSBen Goz int pm_init(struct packet_manager *pm, struct device_queue_manager *dqm); 1406c2a77fdeSFelix Kuehling void pm_uninit(struct packet_manager *pm, bool hanging); 140764c7f8cfSBen Goz int pm_send_set_resources(struct packet_manager *pm, 140864c7f8cfSBen Goz struct scheduling_resources *res); 140964c7f8cfSBen Goz int pm_send_runlist(struct packet_manager *pm, struct list_head *dqm_queues); 141064c7f8cfSBen Goz int pm_send_query_status(struct packet_manager *pm, uint64_t fence_address, 1411b010affeSQu Huang uint64_t fence_value); 141264c7f8cfSBen Goz 1413d2cb0b21SJonathan Kim int pm_send_unmap_queue(struct packet_manager *pm, 14147da2bcf8SYong Zhao enum kfd_unmap_queues_filter mode, 1415d2cb0b21SJonathan Kim uint32_t filter_param, bool reset); 141664c7f8cfSBen Goz 1417241f24f8SBen Goz void pm_release_ib(struct packet_manager *pm); 1418241f24f8SBen Goz 14197cee6a68SJonathan Kim int pm_update_grace_period(struct packet_manager *pm, uint32_t grace_period); 14207cee6a68SJonathan Kim 1421454150b1SFelix Kuehling /* Following PM funcs can be shared among VI and AI */ 1422454150b1SFelix Kuehling unsigned int pm_build_pm4_header(unsigned int opcode, size_t packet_size); 142314328aa5SPhilip Cox 142419f6d2a6SOded Gabbay uint64_t kfd_get_number_elems(struct kfd_dev *kfd); 142519f6d2a6SOded Gabbay 1426f3a39818SAndrew Lewycky /* Events */ 1427f3a39818SAndrew Lewycky extern const struct kfd_event_interrupt_class event_interrupt_class_cik; 1428ca750681SFelix Kuehling extern const struct kfd_event_interrupt_class event_interrupt_class_v9; 1429d4300362SMukul Joshi extern const struct kfd_event_interrupt_class event_interrupt_class_v9_4_3; 143012fb1ad7SJonathan Kim extern const struct kfd_event_interrupt_class event_interrupt_class_v10; 1431cc009e61SMukul Joshi extern const struct kfd_event_interrupt_class event_interrupt_class_v11; 1432ca750681SFelix Kuehling 1433930c5ff4SAlexey Skidanov extern const struct kfd_device_global_init_class device_global_init_class_cik; 1434f3a39818SAndrew Lewycky 1435c3eb12dfSFelix Kuehling int kfd_event_init_process(struct kfd_process *p); 1436f3a39818SAndrew Lewycky void kfd_event_free_process(struct kfd_process *p); 1437f3a39818SAndrew Lewycky int kfd_event_mmap(struct kfd_process *process, struct vm_area_struct *vma); 1438f3a39818SAndrew Lewycky int kfd_wait_on_events(struct kfd_process *p, 143959d3e8beSAlexey Skidanov uint32_t num_events, void __user *data, 1440bea9a56aSFelix Kuehling bool all, uint32_t *user_timeout_ms, 1441fdf0c833SFelix Kuehling uint32_t *wait_result); 1442c7b6bac9SFenghua Yu void kfd_signal_event_interrupt(u32 pasid, uint32_t partial_id, 1443f3a39818SAndrew Lewycky uint32_t valid_id_bits); 1444c7b6bac9SFenghua Yu void kfd_signal_hw_exception_event(u32 pasid); 1445f3a39818SAndrew Lewycky int kfd_set_event(struct kfd_process *p, uint32_t event_id); 1446f3a39818SAndrew Lewycky int kfd_reset_event(struct kfd_process *p, uint32_t event_id); 144740e8a766SDavid Yat Sin int kfd_kmap_event_page(struct kfd_process *p, uint64_t event_page_offset); 144840e8a766SDavid Yat Sin 1449f3a39818SAndrew Lewycky int kfd_event_create(struct file *devkfd, struct kfd_process *p, 1450f3a39818SAndrew Lewycky uint32_t event_type, bool auto_reset, uint32_t node_id, 1451f3a39818SAndrew Lewycky uint32_t *event_id, uint32_t *event_trigger_data, 1452f3a39818SAndrew Lewycky uint64_t *event_page_offset, uint32_t *event_slot_index); 145340e8a766SDavid Yat Sin 145440e8a766SDavid Yat Sin int kfd_get_num_events(struct kfd_process *p); 1455f3a39818SAndrew Lewycky int kfd_event_destroy(struct kfd_process *p, uint32_t event_id); 1456f3a39818SAndrew Lewycky 14578dc1db31SMukul Joshi void kfd_signal_vm_fault_event(struct kfd_node *dev, u32 pasid, 1458c2d2588cSJonathan Kim struct kfd_vm_fault_info *info, 1459c2d2588cSJonathan Kim struct kfd_hsa_memory_exception_data *data); 14602640c3faSshaoyunl 14618dc1db31SMukul Joshi void kfd_signal_reset_event(struct kfd_node *dev); 1462e42051d2SShaoyun Liu 14638dc1db31SMukul Joshi void kfd_signal_poison_consumed_event(struct kfd_node *dev, u32 pasid); 1464e2b1f9f5SDennis Li 14653543b055SEric Huang void kfd_flush_tlb(struct kfd_process_device *pdd, enum TLB_FLUSH_TYPE type); 1466403575c4SFelix Kuehling 1467459ccca5SLang Yu static inline bool kfd_flush_tlb_after_unmap(struct kfd_dev *dev) 1468459ccca5SLang Yu { 1469edcfe229SHarish Kasiviswanathan return KFD_GC_VERSION(dev) > IP_VERSION(9, 4, 2) || 147075dda67cSPhilip Yang (KFD_GC_VERSION(dev) == IP_VERSION(9, 4, 1) && dev->sdma_fw_version >= 18) || 1471459ccca5SLang Yu KFD_GC_VERSION(dev) == IP_VERSION(9, 4, 0); 1472459ccca5SLang Yu } 1473459ccca5SLang Yu 1474c2d2588cSJonathan Kim int kfd_send_exception_to_runtime(struct kfd_process *p, 1475c2d2588cSJonathan Kim unsigned int queue_id, 1476c2d2588cSJonathan Kim uint64_t error_reason); 1477e42051d2SShaoyun Liu bool kfd_is_locked(void); 1478e42051d2SShaoyun Liu 1479f756e631SHarish Kasiviswanathan /* Compute profile */ 14808dc1db31SMukul Joshi void kfd_inc_compute_active(struct kfd_node *dev); 14818dc1db31SMukul Joshi void kfd_dec_compute_active(struct kfd_node *dev); 1482f756e631SHarish Kasiviswanathan 14836b855f7bSHarish Kasiviswanathan /* Cgroup Support */ 14846b855f7bSHarish Kasiviswanathan /* Check with device cgroup if @kfd device is accessible */ 14858dc1db31SMukul Joshi static inline int kfd_devcgroup_check_permission(struct kfd_node *kfd) 14866b855f7bSHarish Kasiviswanathan { 1487eec8fd02SOdin Ugedal #if defined(CONFIG_CGROUP_DEVICE) || defined(CONFIG_CGROUP_BPF) 1488d69a3b76SMukul Joshi struct drm_device *ddev = adev_to_drm(kfd->adev); 14896b855f7bSHarish Kasiviswanathan 149099c7b309SLorenz Brun return devcgroup_check_permission(DEVCG_DEV_CHAR, DRM_MAJOR, 14916b855f7bSHarish Kasiviswanathan ddev->render->index, 14926b855f7bSHarish Kasiviswanathan DEVCG_ACC_WRITE | DEVCG_ACC_READ); 14936b855f7bSHarish Kasiviswanathan #else 14946b855f7bSHarish Kasiviswanathan return 0; 14956b855f7bSHarish Kasiviswanathan #endif 14966b855f7bSHarish Kasiviswanathan } 14976b855f7bSHarish Kasiviswanathan 149874c5b85dSMukul Joshi static inline bool kfd_is_first_node(struct kfd_node *node) 149974c5b85dSMukul Joshi { 150074c5b85dSMukul Joshi return (node == node->kfd->nodes[0]); 150174c5b85dSMukul Joshi } 150274c5b85dSMukul Joshi 1503851a645eSFelix Kuehling /* Debugfs */ 1504851a645eSFelix Kuehling #if defined(CONFIG_DEBUG_FS) 1505851a645eSFelix Kuehling 1506851a645eSFelix Kuehling void kfd_debugfs_init(void); 1507851a645eSFelix Kuehling void kfd_debugfs_fini(void); 1508851a645eSFelix Kuehling int kfd_debugfs_mqds_by_process(struct seq_file *m, void *data); 1509851a645eSFelix Kuehling int pqm_debugfs_mqds(struct seq_file *m, void *data); 1510851a645eSFelix Kuehling int kfd_debugfs_hqds_by_device(struct seq_file *m, void *data); 1511851a645eSFelix Kuehling int dqm_debugfs_hqds(struct seq_file *m, void *data); 1512851a645eSFelix Kuehling int kfd_debugfs_rls_by_device(struct seq_file *m, void *data); 1513851a645eSFelix Kuehling int pm_debugfs_runlist(struct seq_file *m, void *data); 1514851a645eSFelix Kuehling 15158dc1db31SMukul Joshi int kfd_debugfs_hang_hws(struct kfd_node *dev); 1516a29ec470SShaoyun Liu int pm_debugfs_hang_hws(struct packet_manager *pm); 15174f942aaeSOak Zeng int dqm_debugfs_hang_hws(struct device_queue_manager *dqm); 1518a29ec470SShaoyun Liu 1519851a645eSFelix Kuehling #else 1520851a645eSFelix Kuehling 1521851a645eSFelix Kuehling static inline void kfd_debugfs_init(void) {} 1522851a645eSFelix Kuehling static inline void kfd_debugfs_fini(void) {} 1523851a645eSFelix Kuehling 1524851a645eSFelix Kuehling #endif 1525851a645eSFelix Kuehling 15264a488a7aSOded Gabbay #endif 1527