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/*
*
* (C) COPYRIGHT 2019-2020 ARM Limited. All rights reserved.
*
* This program is free software and is provided to you under the terms of the
* GNU General Public License version 2 as published by the Free Software
* Foundation, and any use by you of this program is subject to the terms
* of such GNU licence.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, you can access it online at
* http://www.gnu.org/licenses/gpl-2.0.html.
*
* SPDX-License-Identifier: GPL-2.0
*
*/
#ifndef _KBASE_MMU_INTERNAL_H_
#define _KBASE_MMU_INTERNAL_H_
void kbase_mmu_get_as_setup(struct kbase_mmu_table *mmut,
struct kbase_mmu_setup * const setup);
void kbase_gpu_report_bus_fault_and_kill(struct kbase_context *kctx,
struct kbase_as *as, struct kbase_fault *fault);
void kbase_mmu_report_fault_and_kill(struct kbase_context *kctx,
struct kbase_as *as, const char *reason_str,
struct kbase_fault *fault);
/**
* kbase_mmu_interrupt_process - Process a bus or page fault.
* @kbdev The kbase_device the fault happened on
* @kctx The kbase_context for the faulting address space if one was found.
* @as The address space that has the fault
* @fault Data relating to the fault
*
* This function will process a fault on a specific address space
*/
void kbase_mmu_interrupt_process(struct kbase_device *kbdev,
struct kbase_context *kctx, struct kbase_as *as,
struct kbase_fault *fault);
/**
* kbase_mmu_switch_to_ir() - Switch to incremental rendering if possible
* @kctx The kbase_context for the faulting address space.
* @reg Reference of a growable GPU memory region in the same context.
* Takes ownership of the reference if successful.
*
* Used to switch to incremental rendering if we have nearly run out of
* virtual address space in a growable memory region.
*
* Return 0 if successful, otherwise a negative error code.
*/
int kbase_mmu_switch_to_ir(struct kbase_context *kctx,
struct kbase_va_region *reg);
#endif /* _KBASE_MMU_INTERNAL_H_ */
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