14a488a7aSOded Gabbay /* 24a488a7aSOded Gabbay * Copyright 2014 Advanced Micro Devices, Inc. 34a488a7aSOded Gabbay * 44a488a7aSOded Gabbay * Permission is hereby granted, free of charge, to any person obtaining a 54a488a7aSOded Gabbay * copy of this software and associated documentation files (the "Software"), 64a488a7aSOded Gabbay * to deal in the Software without restriction, including without limitation 74a488a7aSOded Gabbay * the rights to use, copy, modify, merge, publish, distribute, sublicense, 84a488a7aSOded Gabbay * and/or sell copies of the Software, and to permit persons to whom the 94a488a7aSOded Gabbay * Software is furnished to do so, subject to the following conditions: 104a488a7aSOded Gabbay * 114a488a7aSOded Gabbay * The above copyright notice and this permission notice shall be included in 124a488a7aSOded Gabbay * all copies or substantial portions of the Software. 134a488a7aSOded Gabbay * 144a488a7aSOded Gabbay * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 154a488a7aSOded Gabbay * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 164a488a7aSOded Gabbay * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 174a488a7aSOded Gabbay * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 184a488a7aSOded Gabbay * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 194a488a7aSOded Gabbay * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 204a488a7aSOded Gabbay * OTHER DEALINGS IN THE SOFTWARE. 214a488a7aSOded Gabbay */ 224a488a7aSOded Gabbay 234a488a7aSOded Gabbay #ifndef KFD_PRIV_H_INCLUDED 244a488a7aSOded Gabbay #define KFD_PRIV_H_INCLUDED 254a488a7aSOded Gabbay 264a488a7aSOded Gabbay #include <linux/hashtable.h> 274a488a7aSOded Gabbay #include <linux/mmu_notifier.h> 284a488a7aSOded Gabbay #include <linux/mutex.h> 294a488a7aSOded Gabbay #include <linux/types.h> 304a488a7aSOded Gabbay #include <linux/atomic.h> 314a488a7aSOded Gabbay #include <linux/workqueue.h> 324a488a7aSOded Gabbay #include <linux/spinlock.h> 334a488a7aSOded Gabbay #include <kgd_kfd_interface.h> 344a488a7aSOded Gabbay 354a488a7aSOded Gabbay struct kfd_device_info { 364a488a7aSOded Gabbay unsigned int max_pasid_bits; 374a488a7aSOded Gabbay size_t ih_ring_entry_size; 384a488a7aSOded Gabbay }; 394a488a7aSOded Gabbay 404a488a7aSOded Gabbay struct kfd_dev { 414a488a7aSOded Gabbay struct kgd_dev *kgd; 424a488a7aSOded Gabbay 434a488a7aSOded Gabbay const struct kfd_device_info *device_info; 444a488a7aSOded Gabbay struct pci_dev *pdev; 454a488a7aSOded Gabbay 464a488a7aSOded Gabbay unsigned int id; /* topology stub index */ 474a488a7aSOded Gabbay 484a488a7aSOded Gabbay struct kgd2kfd_shared_resources shared_resources; 494a488a7aSOded Gabbay 504a488a7aSOded Gabbay bool init_complete; 514a488a7aSOded Gabbay 524a488a7aSOded Gabbay }; 534a488a7aSOded Gabbay 544a488a7aSOded Gabbay /* KGD2KFD callbacks */ 554a488a7aSOded Gabbay void kgd2kfd_exit(void); 564a488a7aSOded Gabbay struct kfd_dev *kgd2kfd_probe(struct kgd_dev *kgd, struct pci_dev *pdev); 574a488a7aSOded Gabbay bool kgd2kfd_device_init(struct kfd_dev *kfd, 584a488a7aSOded Gabbay const struct kgd2kfd_shared_resources *gpu_resources); 594a488a7aSOded Gabbay void kgd2kfd_device_exit(struct kfd_dev *kfd); 604a488a7aSOded Gabbay 614a488a7aSOded Gabbay extern const struct kfd2kgd_calls *kfd2kgd; 624a488a7aSOded Gabbay 634a488a7aSOded Gabbay /* Character device interface */ 644a488a7aSOded Gabbay int kfd_chardev_init(void); 654a488a7aSOded Gabbay void kfd_chardev_exit(void); 664a488a7aSOded Gabbay struct device *kfd_chardev(void); 674a488a7aSOded Gabbay 684a488a7aSOded Gabbay /* Process data */ 694a488a7aSOded Gabbay struct kfd_process { 704a488a7aSOded Gabbay }; 714a488a7aSOded Gabbay 724a488a7aSOded Gabbay extern struct device *kfd_device; 734a488a7aSOded Gabbay 744a488a7aSOded Gabbay /* Interrupts */ 754a488a7aSOded Gabbay void kgd2kfd_interrupt(struct kfd_dev *dev, const void *ih_ring_entry); 764a488a7aSOded Gabbay 774a488a7aSOded Gabbay /* Power Management */ 784a488a7aSOded Gabbay void kgd2kfd_suspend(struct kfd_dev *dev); 794a488a7aSOded Gabbay int kgd2kfd_resume(struct kfd_dev *dev); 804a488a7aSOded Gabbay 814a488a7aSOded Gabbay #endif 82