Add samsung specific changes

include/uapi/linux/msm_ion.h

@@ -0,0 +1,96 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+/*
+ * Copyright (c) 2018-2021, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved.
+ */
+#ifndef _UAPI_LINUX_MSM_ION_H
+#define _UAPI_LINUX_MSM_ION_H
+
+#include <linux/types.h>
+#include <linux/msm_ion_ids.h>
+
+/**
+ * TARGET_ION_ABI_VERSION can be used by user space clients to ensure that at
+ * compile time only their code which uses the appropriate ION APIs for
+ * this kernel is included.
+ */
+#define TARGET_ION_ABI_VERSION 3
+
+enum msm_ion_heap_types {
+	ION_HEAP_TYPE_MSM_START = 16,
+	ION_HEAP_TYPE_SECURE_DMA = ION_HEAP_TYPE_MSM_START,
+	ION_HEAP_TYPE_SYSTEM_SECURE,
+	ION_HEAP_TYPE_HYP_CMA,
+	ION_HEAP_TYPE_MSM_CARVEOUT,
+	ION_HEAP_TYPE_SECURE_CARVEOUT,
+	ION_HEAP_TYPE_MSM_SYSTEM,
+};
+
+/**
+ * Flags to be used when allocating from the secure heap for
+ * content protection
+ */
+#define ION_FLAG_CP_TRUSTED_VM		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)
+#define ION_FLAG_CP_NON_PIXEL		ION_BIT(20)
+#define ION_FLAG_CP_CAMERA		ION_BIT(21)
+#define ION_FLAG_CP_HLOS		ION_BIT(22)
+#define ION_FLAG_CP_SPSS_SP		ION_BIT(23)
+#define ION_FLAG_CP_SPSS_SP_SHARED	ION_BIT(24)
+#define ION_FLAG_CP_SEC_DISPLAY		ION_BIT(25)
+#define ION_FLAG_CP_APP			ION_BIT(26)
+#define ION_FLAG_CP_CAMERA_PREVIEW	ION_BIT(27)
+/* ION_FLAG_ALLOW_NON_CONTIG uses ION_BIT(28) */
+#define ION_FLAG_CP_CDSP		ION_BIT(29)
+#define ION_FLAG_CP_SPSS_HLOS_SHARED	ION_BIT(30)
+
+#define ION_FLAGS_CP_MASK	0x6FFE8000
+
+/**
+ * Flag to allow non continguous allocation of memory from secure
+ * heap
+ */
+#define ION_FLAG_ALLOW_NON_CONTIG       ION_BIT(28)
+
+/**
+ * Flag to use when allocating to indicate that a heap is secure.
+ * Do NOT use BIT macro since it is defined in #ifdef __KERNEL__
+ */
+#define ION_FLAG_SECURE			ION_BIT(31)
+
+/*
+ * Used in conjunction with heap which pool memory to force an allocation
+ * to come from the page allocator directly instead of from the pool allocation
+ */
+#define ION_FLAG_POOL_FORCE_ALLOC	ION_BIT(16)
+
+/**
+ * Macro should be used with ion_heap_ids defined above.
+ */
+#define ION_HEAP(bit)			bit
+
+#define ION_IOC_MSM_MAGIC 'M'
+
+struct ion_prefetch_regions {
+	__u64 sizes;
+	__u32 vmid;
+	__u32 nr_sizes;
+};
+
+struct ion_prefetch_data {
+	__u64 len;
+	__u64 regions;
+	__u32 heap_id;
+	__u32 nr_regions;
+};
+
+#define ION_IOC_PREFETCH		_IOWR(ION_IOC_MSM_MAGIC, 3, \
+						struct ion_prefetch_data)
+
+#define ION_IOC_DRAIN			_IOWR(ION_IOC_MSM_MAGIC, 4, \
+						struct ion_prefetch_data)
+
+#endif /* _UAPI_LINUX_MSM_ION_H */