1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2 /* 3 * 4 * (C) COPYRIGHT 2019-2022 ARM Limited. All rights reserved. 5 * 6 * This program is free software and is provided to you under the terms of the 7 * GNU General Public License version 2 as published by the Free Software 8 * Foundation, and any use by you of this program is subject to the terms 9 * of such GNU license. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, you can access it online at 18 * http://www.gnu.org/licenses/gpl-2.0.html. 19 * 20 */ 21 22 #ifndef _KBASE_MMU_INTERNAL_H_ 23 #define _KBASE_MMU_INTERNAL_H_ 24 25 void kbase_mmu_get_as_setup(struct kbase_mmu_table *mmut, 26 struct kbase_mmu_setup * const setup); 27 28 /** 29 * kbase_mmu_report_mcu_as_fault_and_reset - Report page fault for all 30 * address spaces and reset the GPU. 31 * @kbdev: The kbase_device the fault happened on 32 * @fault: Data relating to the fault 33 */ 34 void kbase_mmu_report_mcu_as_fault_and_reset(struct kbase_device *kbdev, 35 struct kbase_fault *fault); 36 37 void kbase_gpu_report_bus_fault_and_kill(struct kbase_context *kctx, 38 struct kbase_as *as, struct kbase_fault *fault); 39 40 void kbase_mmu_report_fault_and_kill(struct kbase_context *kctx, 41 struct kbase_as *as, const char *reason_str, 42 struct kbase_fault *fault); 43 44 /** 45 * kbase_mmu_switch_to_ir() - Switch to incremental rendering if possible 46 * @kctx: kbase_context for the faulting address space. 47 * @reg: of a growable GPU memory region in the same context. 48 * Takes ownership of the reference if successful. 49 * 50 * Used to switch to incremental rendering if we have nearly run out of 51 * virtual address space in a growable memory region. 52 * 53 * Return: 0 if successful, otherwise a negative error code. 54 */ 55 int kbase_mmu_switch_to_ir(struct kbase_context *kctx, 56 struct kbase_va_region *reg); 57 58 /** 59 * kbase_mmu_page_fault_worker() - Process a page fault. 60 * 61 * @data: work_struct passed by queue_work() 62 */ 63 void kbase_mmu_page_fault_worker(struct work_struct *data); 64 65 /** 66 * kbase_mmu_bus_fault_worker() - Process a bus fault. 67 * 68 * @data: work_struct passed by queue_work() 69 */ 70 void kbase_mmu_bus_fault_worker(struct work_struct *data); 71 72 #endif /* _KBASE_MMU_INTERNAL_H_ */ 73