48aea7f2a2
ivpu_bo_remove_all_bos_from_context() could race with ivpu_bo_free() when prime buffer was closed after vpu device was closed. Move the bo_list from context to vdev and use a dedicated lock to sync it. This list is not modified when BO is added/removed from a context. Also rename ivpu_bo_free_vpu_addr() to ivpu_bo_unbind() because this function does more then just free vpu_addr. Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com> Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com> Link: https://patchwork.freedesktop.org/patch/msgid/20231031073156.1301669-3-stanislaw.gruszka@linux.intel.com
51 lines
1.7 KiB
C
51 lines
1.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (C) 2020-2023 Intel Corporation
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*/
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#ifndef __IVPU_MMU_CONTEXT_H__
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#define __IVPU_MMU_CONTEXT_H__
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#include <drm/drm_mm.h>
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struct ivpu_device;
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struct ivpu_file_priv;
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struct ivpu_addr_range;
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#define IVPU_MMU_PGTABLE_ENTRIES 512ull
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struct ivpu_mmu_pgtable {
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u64 ***pte_ptrs[IVPU_MMU_PGTABLE_ENTRIES];
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u64 **pmd_ptrs[IVPU_MMU_PGTABLE_ENTRIES];
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u64 *pud_ptrs[IVPU_MMU_PGTABLE_ENTRIES];
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u64 *pgd_dma_ptr;
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dma_addr_t pgd_dma;
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};
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struct ivpu_mmu_context {
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struct mutex lock; /* Protects: mm, pgtable */
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struct drm_mm mm;
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struct ivpu_mmu_pgtable pgtable;
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u32 id;
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};
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int ivpu_mmu_global_context_init(struct ivpu_device *vdev);
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void ivpu_mmu_global_context_fini(struct ivpu_device *vdev);
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int ivpu_mmu_reserved_context_init(struct ivpu_device *vdev);
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void ivpu_mmu_reserved_context_fini(struct ivpu_device *vdev);
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int ivpu_mmu_user_context_init(struct ivpu_device *vdev, struct ivpu_mmu_context *ctx, u32 ctx_id);
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void ivpu_mmu_user_context_fini(struct ivpu_device *vdev, struct ivpu_mmu_context *ctx);
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void ivpu_mmu_user_context_mark_invalid(struct ivpu_device *vdev, u32 ssid);
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int ivpu_mmu_context_insert_node(struct ivpu_mmu_context *ctx, const struct ivpu_addr_range *range,
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u64 size, struct drm_mm_node *node);
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void ivpu_mmu_context_remove_node(struct ivpu_mmu_context *ctx, struct drm_mm_node *node);
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int ivpu_mmu_context_map_sgt(struct ivpu_device *vdev, struct ivpu_mmu_context *ctx,
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u64 vpu_addr, struct sg_table *sgt, bool llc_coherent);
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void ivpu_mmu_context_unmap_sgt(struct ivpu_device *vdev, struct ivpu_mmu_context *ctx,
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u64 vpu_addr, struct sg_table *sgt);
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#endif /* __IVPU_MMU_CONTEXT_H__ */
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