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__ */
54

source code of linux/drivers/accel/ivpu/ivpu_mmu.h