Merge "Merge RP1A.191203.001" into r-keystone-qcom-dev

1 files changed, 0 insertions, 238 deletions

diff --git a/libion/ion.c b/libion/ion.c
deleted file mode 100644
index 76dc08ea8..000000000
--- a/libion/ion.c
+++ /dev/null
@@ -1,238 +0,0 @@
-/*
- *  ion.c
- *
- * Memory Allocator functions for ion
- *
- *   Copyright 2011 Google, Inc
- *
- *  Licensed under the Apache License, Version 2.0 (the "License");
- *  you may not use this file except in compliance with the License.
- *  You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- */
-#define LOG_TAG "ion"
-
-#include <errno.h>
-#include <fcntl.h>
-#include <linux/ion.h>
-#include <stdatomic.h>
-#include <stdio.h>
-#include <string.h>
-#include <sys/ioctl.h>
-#include <sys/mman.h>
-#include <sys/types.h>
-#include <unistd.h>
-
-#include <ion/ion.h>
-#include <linux/ion_4.19.h>
-
-#include <log/log.h>
-
-#define ION_ABI_VERSION_MODULAR_HEAPS 2
-
-enum ion_version { ION_VERSION_UNKNOWN, ION_VERSION_MODERN, ION_VERSION_LEGACY };
-
-static atomic_int g_ion_version = ATOMIC_VAR_INIT(ION_VERSION_UNKNOWN);
-
-int ion_is_legacy(int fd) {
-    int version = atomic_load_explicit(&g_ion_version, memory_order_acquire);
-    if (version == ION_VERSION_UNKNOWN) {
-        /**
-          * Check for FREE IOCTL here; it is available only in the old
-          * kernels, not the new ones.
-          */
-        int err = ion_free(fd, (ion_user_handle_t)NULL);
-        version = (err == -ENOTTY) ? ION_VERSION_MODERN : ION_VERSION_LEGACY;
-        atomic_store_explicit(&g_ion_version, version, memory_order_release);
-    }
-    return version == ION_VERSION_LEGACY;
-}
-
-int ion_open() {
-    int fd = open("/dev/ion", O_RDONLY | O_CLOEXEC);
-    if (fd < 0) ALOGE("open /dev/ion failed: %s", strerror(errno));
-
-    return fd;
-}
-
-int ion_close(int fd) {
-    int ret = close(fd);
-    if (ret < 0) return -errno;
-    return ret;
-}
-
-static int ion_ioctl(int fd, int req, void* arg) {
-    int ret = ioctl(fd, req, arg);
-    if (ret < 0) {
-        int ret_errno = errno;
-
-        ALOGE("ioctl %x failed with code %d: %s", req, ret, strerror(ret_errno));
-        return -ret_errno;
-    }
-    return ret;
-}
-
-int ion_is_using_modular_heaps(int fd) {
-    int ion_abi_version = 0;
-    int ret = 0;
-
-    ret = ion_ioctl(fd, ION_IOC_ABI_VERSION, &ion_abi_version);
-    return (ret == 0 && ion_abi_version >= ION_ABI_VERSION_MODULAR_HEAPS);
-}
-
-int ion_alloc(int fd, size_t len, size_t align, unsigned int heap_mask, unsigned int flags,
-              ion_user_handle_t* handle) {
-    int ret = 0;
-
-    if ((handle == NULL) || (!ion_is_legacy(fd))) return -EINVAL;
-
-    struct ion_allocation_data data = {
-        .len = len, .align = align, .heap_id_mask = heap_mask, .flags = flags,
-    };
-
-    ret = ion_ioctl(fd, ION_IOC_ALLOC, &data);
-    if (ret < 0) return ret;
-
-    *handle = data.handle;
-
-    return ret;
-}
-
-int ion_free(int fd, ion_user_handle_t handle) {
-    struct ion_handle_data data = {
-        .handle = handle,
-    };
-    return ion_ioctl(fd, ION_IOC_FREE, &data);
-}
-
-int ion_map(int fd, ion_user_handle_t handle, size_t length, int prot, int flags, off_t offset,
-            unsigned char** ptr, int* map_fd) {
-    if (!ion_is_legacy(fd)) return -EINVAL;
-    int ret;
-    unsigned char* tmp_ptr;
-    struct ion_fd_data data = {
-        .handle = handle,
-    };
-
-    if (map_fd == NULL) return -EINVAL;
-    if (ptr == NULL) return -EINVAL;
-
-    ret = ion_ioctl(fd, ION_IOC_MAP, &data);
-    if (ret < 0) return ret;
-    if (data.fd < 0) {
-        ALOGE("map ioctl returned negative fd");
-        return -EINVAL;
-    }
-    tmp_ptr = mmap(NULL, length, prot, flags, data.fd, offset);
-    if (tmp_ptr == MAP_FAILED) {
-        int ret_errno = errno;
-
-        ALOGE("mmap failed: %s", strerror(ret_errno));
-        return -ret_errno;
-    }
-    *map_fd = data.fd;
-    *ptr = tmp_ptr;
-    return ret;
-}
-
-int ion_share(int fd, ion_user_handle_t handle, int* share_fd) {
-    int ret;
-    struct ion_fd_data data = {
-        .handle = handle,
-    };
-
-    if (!ion_is_legacy(fd)) return -EINVAL;
-    if (share_fd == NULL) return -EINVAL;
-
-    ret = ion_ioctl(fd, ION_IOC_SHARE, &data);
-    if (ret < 0) return ret;
-    if (data.fd < 0) {
-        ALOGE("share ioctl returned negative fd");
-        return -EINVAL;
-    }
-    *share_fd = data.fd;
-    return ret;
-}
-
-int ion_alloc_fd(int fd, size_t len, size_t align, unsigned int heap_mask, unsigned int flags,
-                 int* handle_fd) {
-    ion_user_handle_t handle;
-    int ret;
-
-    if (!handle_fd) return -EINVAL;
-
-    if (!ion_is_legacy(fd)) {
-        struct ion_new_allocation_data data = {
-            .len = len,
-            .heap_id_mask = heap_mask,
-            .flags = flags,
-        };
-
-        ret = ion_ioctl(fd, ION_IOC_NEW_ALLOC, &data);
-        if (ret < 0) return ret;
-        *handle_fd = data.fd;
-    } else {
-        ret = ion_alloc(fd, len, align, heap_mask, flags, &handle);
-        if (ret < 0) return ret;
-        ret = ion_share(fd, handle, handle_fd);
-        ion_free(fd, handle);
-    }
-    return ret;
-}
-
-int ion_import(int fd, int share_fd, ion_user_handle_t* handle) {
-    int ret;
-    struct ion_fd_data data = {
-        .fd = share_fd,
-    };
-
-    if (!ion_is_legacy(fd)) return -EINVAL;
-
-    if (handle == NULL) return -EINVAL;
-
-    ret = ion_ioctl(fd, ION_IOC_IMPORT, &data);
-    if (ret < 0) return ret;
-    *handle = data.handle;
-    return ret;
-}
-
-int ion_sync_fd(int fd, int handle_fd) {
-    struct ion_fd_data data = {
-        .fd = handle_fd,
-    };
-
-    if (!ion_is_legacy(fd)) return -EINVAL;
-
-    return ion_ioctl(fd, ION_IOC_SYNC, &data);
-}
-
-int ion_query_heap_cnt(int fd, int* cnt) {
-    int ret;
-    struct ion_heap_query query;
-
-    if (!cnt) return -EINVAL;
-    memset(&query, 0, sizeof(query));
-
-    ret = ion_ioctl(fd, ION_IOC_HEAP_QUERY, &query);
-    if (ret < 0) return ret;
-
-    *cnt = query.cnt;
-    return ret;
-}
-
-int ion_query_get_heaps(int fd, int cnt, void* buffers) {
-    int ret;
-    struct ion_heap_query query = {
-        .cnt = cnt, .heaps = (uintptr_t)buffers,
-    };
-
-    ret = ion_ioctl(fd, ION_IOC_HEAP_QUERY, &query);
-    return ret;
-}