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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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