ivpu_mmu.h

 1/* SPDX-License-Identifier: GPL-2.0-only */
 2/*
 3 * Copyright (C) 2020-2023 Intel Corporation
 4 */
 5
 6#ifndef __IVPU_MMU_H__
 7#define __IVPU_MMU_H__
 8
 9struct ivpu_device;
10
11struct ivpu_mmu_cdtab {
12	void *base;
13	dma_addr_t dma;
14};
15
16struct ivpu_mmu_strtab {
17	void *base;
18	dma_addr_t dma;
19	u64 dma_q;
20	u32 base_cfg;
21};
22
23struct ivpu_mmu_queue {
24	void *base;
25	dma_addr_t dma;
26	u64 dma_q;
27	u32 prod;
28	u32 cons;
29};
30
31struct ivpu_mmu_info {
32	struct mutex lock; /* Protects cdtab, strtab, cmdq, on */
33	struct ivpu_mmu_cdtab cdtab;
34	struct ivpu_mmu_strtab strtab;
35	struct ivpu_mmu_queue cmdq;
36	struct ivpu_mmu_queue evtq;
37	bool on;
38};
39
40int ivpu_mmu_init(struct ivpu_device *vdev);
41void ivpu_mmu_disable(struct ivpu_device *vdev);
42int ivpu_mmu_enable(struct ivpu_device *vdev);
43int ivpu_mmu_cd_set(struct ivpu_device *vdev, int ssid, struct ivpu_mmu_pgtable *pgtable);
44void ivpu_mmu_cd_clear(struct ivpu_device *vdev, int ssid);
45int ivpu_mmu_invalidate_tlb(struct ivpu_device *vdev, u16 ssid);
46
47void ivpu_mmu_irq_evtq_handler(struct ivpu_device *vdev);
48void ivpu_mmu_irq_gerr_handler(struct ivpu_device *vdev);
49void ivpu_mmu_evtq_dump(struct ivpu_device *vdev);
50void ivpu_mmu_discard_events(struct ivpu_device *vdev);
51int ivpu_mmu_disable_ssid_events(struct ivpu_device *vdev, u32 ssid);
52
53#endif /* __IVPU_MMU_H__ */