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 | |
9 | struct ivpu_device; |
10 | |
11 | struct ivpu_mmu_cdtab { |
12 | void *base; |
13 | dma_addr_t dma; |
14 | }; |
15 | |
16 | struct ivpu_mmu_strtab { |
17 | void *base; |
18 | dma_addr_t dma; |
19 | u64 dma_q; |
20 | u32 base_cfg; |
21 | }; |
22 | |
23 | struct ivpu_mmu_queue { |
24 | void *base; |
25 | dma_addr_t dma; |
26 | u64 dma_q; |
27 | u32 prod; |
28 | u32 cons; |
29 | }; |
30 | |
31 | struct 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 | |
40 | int ivpu_mmu_init(struct ivpu_device *vdev); |
41 | void ivpu_mmu_disable(struct ivpu_device *vdev); |
42 | int ivpu_mmu_enable(struct ivpu_device *vdev); |
43 | int ivpu_mmu_set_pgtable(struct ivpu_device *vdev, int ssid, struct ivpu_mmu_pgtable *pgtable); |
44 | void ivpu_mmu_clear_pgtable(struct ivpu_device *vdev, int ssid); |
45 | int ivpu_mmu_invalidate_tlb(struct ivpu_device *vdev, u16 ssid); |
46 | |
47 | void ivpu_mmu_irq_evtq_handler(struct ivpu_device *vdev); |
48 | void ivpu_mmu_irq_gerr_handler(struct ivpu_device *vdev); |
49 | |
50 | #endif /* __IVPU_MMU_H__ */ |
51 | |