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ion: msm: Add support for secure allocations for the Trusted UI(TUI) VMID

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Add the support necessary to allow secure allocations for the
TUI VMID with R/W permissions.

Change-Id: I7486d75b3d9d3f7fa29a8d4972cca671d55b3569
Signed-off-by: Isaac J. Manjarres <isaacm@codeaurora.org>
This commit is contained in:
Isaac J. Manjarres 2020-02-11 12:27:03 -08:00
commit aacebd91a2
2 changed files with 10 additions and 3 deletions
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6
include/uapi/linux/msm_ion.h
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@ -1,6 +1,6 @@
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
* Copyright (c) 2018-2019, The Linux Foundation. All rights reserved.
* Copyright (c) 2018-2020, The Linux Foundation. All rights reserved.
*/
#ifndef _UAPI_LINUX_MSM_ION_H
#define _UAPI_LINUX_MSM_ION_H
@ -27,6 +27,8 @@ enum msm_ion_heap_types {
* Flags to be used when allocating from the secure heap for
* content protection
*/
#define ION_FLAG_CP_TRUSTED_UI ION_BIT(15)
/* ION_FLAG_POOL_FORCE_ALLOC uses ION_BIT(16) */
#define ION_FLAG_CP_TOUCH ION_BIT(17)
#define ION_FLAG_CP_BITSTREAM ION_BIT(18)
#define ION_FLAG_CP_PIXEL ION_BIT(19)
@ -42,7 +44,7 @@ enum msm_ion_heap_types {
#define ION_FLAG_CP_CDSP ION_BIT(29)
#define ION_FLAG_CP_SPSS_HLOS_SHARED ION_BIT(30)
#define ION_FLAGS_CP_MASK 0x6FFE0000
#define ION_FLAGS_CP_MASK 0x6FFE8000
/**
* Flag to allow non continguous allocation of memory from secure