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| 2 | |
| 3 | * Copyright (c) 2015-2016, Linaro Limited
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| 4 |
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| 5 | #ifndef TEE_PRIVATE_H
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| 6 | #define TEE_PRIVATE_H
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| 7 |
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| 8 | #include <linux/cdev.h>
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| 9 | #include <linux/completion.h>
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| 10 | #include <linux/device.h>
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| 11 | #include <linux/dma-buf.h>
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| 12 | #include <linux/kref.h>
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| 13 | #include <linux/mutex.h>
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| 14 | #include <linux/types.h>
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| 15 |
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| 16 |
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| 17 | struct tee_shm_dmabuf_ref {
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| 18 | struct tee_shm shm;
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| 19 | size_t offset;
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| 20 | struct dma_buf *dmabuf;
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| 21 | struct tee_shm *parent_shm;
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| 22 | };
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| 23 |
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| 24 | int tee_shm_get_fd(struct tee_shm *shm);
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| 25 |
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| 26 | struct tee_shm *tee_shm_alloc_user_buf(struct tee_context *ctx, size_t size);
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| 27 | struct tee_shm *tee_shm_register_user_buf(struct tee_context *ctx,
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| 28 | unsigned long addr, size_t length);
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| 29 |
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| 30 | int tee_heap_update_from_dma_buf(struct tee_device *teedev,
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| 31 | struct dma_buf *dmabuf, size_t *offset,
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| 32 | struct tee_shm *shm,
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| 33 | struct tee_shm **parent_shm);
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| 34 |
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| 35 | #endif
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