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