/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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/*
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*
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* (C) COPYRIGHT 2019-2021 ARM Limited. All rights reserved.
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*
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* This program is free software and is provided to you under the terms of the
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* GNU General Public License version 2 as published by the Free Software
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* Foundation, and any use by you of this program is subject to the terms
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* of such GNU license.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you can access it online at
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* http://www.gnu.org/licenses/gpl-2.0.html.
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*
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*/
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#ifndef _KBASE_MMU_INTERNAL_H_
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#define _KBASE_MMU_INTERNAL_H_
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void kbase_mmu_get_as_setup(struct kbase_mmu_table *mmut,
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struct kbase_mmu_setup * const setup);
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/**
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* kbase_mmu_report_mcu_as_fault_and_reset - Report page fault for all
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* address spaces and reset the GPU.
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* @kbdev: The kbase_device the fault happened on
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* @fault: Data relating to the fault
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*/
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void kbase_mmu_report_mcu_as_fault_and_reset(struct kbase_device *kbdev,
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struct kbase_fault *fault);
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void kbase_gpu_report_bus_fault_and_kill(struct kbase_context *kctx,
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struct kbase_as *as, struct kbase_fault *fault);
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void kbase_mmu_report_fault_and_kill(struct kbase_context *kctx,
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struct kbase_as *as, const char *reason_str,
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struct kbase_fault *fault);
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/**
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* kbase_mmu_switch_to_ir() - Switch to incremental rendering if possible
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* @kctx: kbase_context for the faulting address space.
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* @reg: of a growable GPU memory region in the same context.
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* Takes ownership of the reference if successful.
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*
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* Used to switch to incremental rendering if we have nearly run out of
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* virtual address space in a growable memory region.
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*
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* Return 0 if successful, otherwise a negative error code.
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*/
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int kbase_mmu_switch_to_ir(struct kbase_context *kctx,
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struct kbase_va_region *reg);
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/**
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* kbase_mmu_page_fault_worker() - Process a page fault.
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*
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* @data: work_struct passed by queue_work()
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*/
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void kbase_mmu_page_fault_worker(struct work_struct *data);
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/**
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* kbase_mmu_bus_fault_worker() - Process a bus fault.
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*
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* @data: work_struct passed by queue_work()
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*/
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void kbase_mmu_bus_fault_worker(struct work_struct *data);
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#endif /* _KBASE_MMU_INTERNAL_H_ */
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