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securemsm-kernel: Add the UAPI headers for the SMMU proxy driver

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Add the UAPI headers for the SMMU proxy driver and make them usable in
Android.

Change-Id: Ibea130d79631f4d973e957a43dffde27fc472035
Signed-off-by: Chris Goldsworthy <quic_cgoldswo@quicinc.com>
This commit is contained in:
Chris Goldsworthy
2023-01-26 15:23:31 -08:00
parent a7350ce560
commit 08b1eb82e2
2 changed files with 63 additions and 0 deletions
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6
Android.bp
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@@ -40,3 +40,9 @@ cc_library_headers {
vendor: true, vendor: true,
recovery_available: true recovery_available: true
} }
cc_library_headers {
name: "smmu_proxy_uapi_header",
vendor_available: true,
export_include_dirs: ["smmu-proxy/uapi/"],
}

57
smmu-proxy/uapi/linux/qti-smmu-proxy.h Normal file
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@@ -0,0 +1,57 @@
/* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */
/*
* Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved.
*/
#ifndef __QTI_SMMU_PROXY_UAPI_H_
#define __QTI_SMMU_PROXY_UAPI_H_
#include <linux/types.h>
#define QTI_SMMU_PROXY_CAMERA_CB 0
#define QTI_SMMU_PROXY_DISPLAY_CB 1
#define QTI_SMMU_PROXY_EVA_CB 2
#define QTI_SMMU_PROXY_IOC_BASE 0x55
struct csf_version {
__u32 arch_ver;
__u32 max_ver;
__u32 min_ver;
__u32 padding;
};
#define QTI_SMMU_PROXY_GET_VERSION_IOCTL _IOR(QTI_SMMU_PROXY_IOC_BASE, 0, \
struct csf_version)
struct smmu_proxy_acl_ctl {
__u32 dma_buf_fd;
__u32 padding;
};
#define QTI_SMMU_PROXY_AC_LOCK_BUFFER _IOW(QTI_SMMU_PROXY_IOC_BASE, 1, \
struct smmu_proxy_acl_ctl)
#define QTI_SMMU_PROXY_AC_UNLOCK_BUFFER _IOW(QTI_SMMU_PROXY_IOC_BASE, 2, \
struct smmu_proxy_acl_ctl)
struct smmu_proxy_wipe_buf_ctl {
__u32 smmu_context_bank_id;
__u32 padding;
};
#define QTI_SMMU_PROXY_WIPE_BUFFERS _IOW(QTI_SMMU_PROXY_IOC_BASE, 3, \
struct smmu_proxy_wipe_buf_ctl)
struct smmu_proxy_get_dma_buf_ctl {
/*
* memparcel_hdl only needs to be 32-bit for Gunyah, but a 64-bit value
* is needed to remain forward compatible with FF-A .
*/
__u64 memparcel_hdl;
__u32 dma_buf_fd;
__u32 padding;
};
#define QTI_SMMU_PROXY_GET_DMA_BUF _IOWR(QTI_SMMU_PROXY_IOC_BASE, 4, \
struct smmu_proxy_get_dma_buf_ctl)
#endif /* __QTI_SMMU_PROXY_UAPI_H_ */