52 lines
1.2 KiB
C
52 lines
1.2 KiB
C
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/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (C) 2020-2023 Intel Corporation
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*/
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#ifndef __IVPU_MMU_H__
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#define __IVPU_MMU_H__
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struct ivpu_device;
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struct ivpu_mmu_cdtab {
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void *base;
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dma_addr_t dma;
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};
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struct ivpu_mmu_strtab {
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void *base;
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dma_addr_t dma;
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u64 dma_q;
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u32 base_cfg;
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};
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struct ivpu_mmu_queue {
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void *base;
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dma_addr_t dma;
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u64 dma_q;
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u32 prod;
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u32 cons;
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};
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struct ivpu_mmu_info {
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struct mutex lock; /* Protects cdtab, strtab, cmdq, on */
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struct ivpu_mmu_cdtab cdtab;
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struct ivpu_mmu_strtab strtab;
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struct ivpu_mmu_queue cmdq;
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struct ivpu_mmu_queue evtq;
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bool on;
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};
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int ivpu_mmu_init(struct ivpu_device *vdev);
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void ivpu_mmu_disable(struct ivpu_device *vdev);
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int ivpu_mmu_enable(struct ivpu_device *vdev);
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int ivpu_mmu_set_pgtable(struct ivpu_device *vdev, int ssid, struct ivpu_mmu_pgtable *pgtable);
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void ivpu_mmu_clear_pgtable(struct ivpu_device *vdev, int ssid);
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int ivpu_mmu_invalidate_tlb(struct ivpu_device *vdev, u16 ssid);
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void ivpu_mmu_irq_evtq_handler(struct ivpu_device *vdev);
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void ivpu_mmu_irq_gerr_handler(struct ivpu_device *vdev);
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void ivpu_mmu_evtq_dump(struct ivpu_device *vdev);
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#endif /* __IVPU_MMU_H__ */
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