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-rw-r--r--drivers/staging/android/ion/Makefile3
-rw-r--r--drivers/staging/android/ion/compat_ion.c152
-rw-r--r--drivers/staging/android/ion/compat_ion.h29
-rw-r--r--drivers/staging/android/ion/ion-ioctl.c1
-rw-r--r--drivers/staging/android/ion/ion.c5
-rw-r--r--drivers/staging/android/uapi/ion.h19
6 files changed, 11 insertions, 198 deletions
diff --git a/drivers/staging/android/ion/Makefile b/drivers/staging/android/ion/Makefile
index 66d0c4a31ed7..a892afa56819 100644
--- a/drivers/staging/android/ion/Makefile
+++ b/drivers/staging/android/ion/Makefile
@@ -2,6 +2,3 @@ obj-$(CONFIG_ION) += ion.o ion-ioctl.o ion_heap.o \
ion_page_pool.o ion_system_heap.o \
ion_carveout_heap.o ion_chunk_heap.o
obj-$(CONFIG_ION_CMA_HEAP) += ion_cma_heap.o
-ifdef CONFIG_COMPAT
-obj-$(CONFIG_ION) += compat_ion.o
-endif
diff --git a/drivers/staging/android/ion/compat_ion.c b/drivers/staging/android/ion/compat_ion.c
deleted file mode 100644
index 5037ddd0e217..000000000000
--- a/drivers/staging/android/ion/compat_ion.c
+++ /dev/null
@@ -1,152 +0,0 @@
-/*
- * drivers/staging/android/ion/compat_ion.c
- *
- * Copyright (C) 2013 Google, Inc.
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- */
-
-#include <linux/compat.h>
-#include <linux/fs.h>
-#include <linux/uaccess.h>
-
-#include "ion.h"
-#include "compat_ion.h"
-
-/* See drivers/staging/android/uapi/ion.h for the definition of these structs */
-struct compat_ion_allocation_data {
- compat_size_t len;
- compat_size_t align;
- compat_uint_t heap_id_mask;
- compat_uint_t flags;
- compat_int_t handle;
-};
-
-struct compat_ion_handle_data {
- compat_int_t handle;
-};
-
-#define COMPAT_ION_IOC_ALLOC _IOWR(ION_IOC_MAGIC, 0, \
- struct compat_ion_allocation_data)
-#define COMPAT_ION_IOC_FREE _IOWR(ION_IOC_MAGIC, 1, \
- struct compat_ion_handle_data)
-
-static int compat_get_ion_allocation_data(
- struct compat_ion_allocation_data __user *data32,
- struct ion_allocation_data __user *data)
-{
- compat_size_t s;
- compat_uint_t u;
- compat_int_t i;
- int err;
-
- err = get_user(s, &data32->len);
- err |= put_user(s, &data->len);
- err |= get_user(s, &data32->align);
- err |= put_user(s, &data->align);
- err |= get_user(u, &data32->heap_id_mask);
- err |= put_user(u, &data->heap_id_mask);
- err |= get_user(u, &data32->flags);
- err |= put_user(u, &data->flags);
- err |= get_user(i, &data32->handle);
- err |= put_user(i, &data->handle);
-
- return err;
-}
-
-static int compat_get_ion_handle_data(
- struct compat_ion_handle_data __user *data32,
- struct ion_handle_data __user *data)
-{
- compat_int_t i;
- int err;
-
- err = get_user(i, &data32->handle);
- err |= put_user(i, &data->handle);
-
- return err;
-}
-
-static int compat_put_ion_allocation_data(
- struct compat_ion_allocation_data __user *data32,
- struct ion_allocation_data __user *data)
-{
- compat_size_t s;
- compat_uint_t u;
- compat_int_t i;
- int err;
-
- err = get_user(s, &data->len);
- err |= put_user(s, &data32->len);
- err |= get_user(s, &data->align);
- err |= put_user(s, &data32->align);
- err |= get_user(u, &data->heap_id_mask);
- err |= put_user(u, &data32->heap_id_mask);
- err |= get_user(u, &data->flags);
- err |= put_user(u, &data32->flags);
- err |= get_user(i, &data->handle);
- err |= put_user(i, &data32->handle);
-
- return err;
-}
-
-long compat_ion_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
-{
- long ret;
-
- if (!filp->f_op->unlocked_ioctl)
- return -ENOTTY;
-
- switch (cmd) {
- case COMPAT_ION_IOC_ALLOC:
- {
- struct compat_ion_allocation_data __user *data32;
- struct ion_allocation_data __user *data;
- int err;
-
- data32 = compat_ptr(arg);
- data = compat_alloc_user_space(sizeof(*data));
- if (!data)
- return -EFAULT;
-
- err = compat_get_ion_allocation_data(data32, data);
- if (err)
- return err;
- ret = filp->f_op->unlocked_ioctl(filp, ION_IOC_ALLOC,
- (unsigned long)data);
- err = compat_put_ion_allocation_data(data32, data);
- return ret ? ret : err;
- }
- case COMPAT_ION_IOC_FREE:
- {
- struct compat_ion_handle_data __user *data32;
- struct ion_handle_data __user *data;
- int err;
-
- data32 = compat_ptr(arg);
- data = compat_alloc_user_space(sizeof(*data));
- if (!data)
- return -EFAULT;
-
- err = compat_get_ion_handle_data(data32, data);
- if (err)
- return err;
-
- return filp->f_op->unlocked_ioctl(filp, ION_IOC_FREE,
- (unsigned long)data);
- }
- case ION_IOC_SHARE:
- return filp->f_op->unlocked_ioctl(filp, cmd,
- (unsigned long)compat_ptr(arg));
- default:
- return -ENOIOCTLCMD;
- }
-}
diff --git a/drivers/staging/android/ion/compat_ion.h b/drivers/staging/android/ion/compat_ion.h
deleted file mode 100644
index 9da8f917670b..000000000000
--- a/drivers/staging/android/ion/compat_ion.h
+++ /dev/null
@@ -1,29 +0,0 @@
-/*
- * drivers/staging/android/ion/compat_ion.h
- *
- * Copyright (C) 2013 Google, Inc.
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- */
-
-#ifndef _LINUX_COMPAT_ION_H
-#define _LINUX_COMPAT_ION_H
-
-#if IS_ENABLED(CONFIG_COMPAT)
-
-long compat_ion_ioctl(struct file *filp, unsigned int cmd, unsigned long arg);
-
-#else
-
-#define compat_ion_ioctl NULL
-
-#endif /* CONFIG_COMPAT */
-#endif /* _LINUX_COMPAT_ION_H */
diff --git a/drivers/staging/android/ion/ion-ioctl.c b/drivers/staging/android/ion/ion-ioctl.c
index a361724f0eca..91b5c2be31e4 100644
--- a/drivers/staging/android/ion/ion-ioctl.c
+++ b/drivers/staging/android/ion/ion-ioctl.c
@@ -20,7 +20,6 @@
#include "ion.h"
#include "ion_priv.h"
-#include "compat_ion.h"
union ion_ioctl_arg {
struct ion_fd_data fd;
diff --git a/drivers/staging/android/ion/ion.c b/drivers/staging/android/ion/ion.c
index 65638f509f6c..fbab1e37c8bf 100644
--- a/drivers/staging/android/ion/ion.c
+++ b/drivers/staging/android/ion/ion.c
@@ -40,7 +40,6 @@
#include "ion.h"
#include "ion_priv.h"
-#include "compat_ion.h"
bool ion_buffer_cached(struct ion_buffer *buffer)
{
@@ -1065,7 +1064,9 @@ static const struct file_operations ion_fops = {
.open = ion_open,
.release = ion_release,
.unlocked_ioctl = ion_ioctl,
- .compat_ioctl = compat_ion_ioctl,
+#ifdef CONFIG_COMPAT
+ .compat_ioctl = ion_ioctl,
+#endif
};
static size_t ion_debug_heap_total(struct ion_client *client,
diff --git a/drivers/staging/android/uapi/ion.h b/drivers/staging/android/uapi/ion.h
index abd72fda732a..bba1c47dac5c 100644
--- a/drivers/staging/android/uapi/ion.h
+++ b/drivers/staging/android/uapi/ion.h
@@ -20,8 +20,6 @@
#include <linux/ioctl.h>
#include <linux/types.h>
-typedef int ion_user_handle_t;
-
/**
* enum ion_heap_types - list of all possible types of heaps
* @ION_HEAP_TYPE_SYSTEM: memory allocated via vmalloc
@@ -76,7 +74,6 @@ enum ion_heap_type {
/**
* struct ion_allocation_data - metadata passed from userspace for allocations
* @len: size of the allocation
- * @align: required alignment of the allocation
* @heap_id_mask: mask of heap ids to allocate from
* @flags: flags passed to heap
* @handle: pointer that will be populated with a cookie to use to
@@ -85,11 +82,11 @@ enum ion_heap_type {
* Provided by userspace as an argument to the ioctl
*/
struct ion_allocation_data {
- size_t len;
- size_t align;
- unsigned int heap_id_mask;
- unsigned int flags;
- ion_user_handle_t handle;
+ __u64 len;
+ __u32 heap_id_mask;
+ __u32 flags;
+ __u32 handle;
+ __u32 unused;
};
/**
@@ -103,8 +100,8 @@ struct ion_allocation_data {
* provides the file descriptor and the kernel returns the handle.
*/
struct ion_fd_data {
- ion_user_handle_t handle;
- int fd;
+ __u32 handle;
+ __u32 fd;
};
/**
@@ -112,7 +109,7 @@ struct ion_fd_data {
* @handle: a handle
*/
struct ion_handle_data {
- ion_user_handle_t handle;
+ __u32 handle;
};
#define MAX_HEAP_NAME 32
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-13 19:30:46 +0000