116 lines
4.8 KiB
C
116 lines
4.8 KiB
C
|
/****************************************************************************
|
||
|
|
*
|
||
|
|
* Copyright (c) 2014 - 2016 Samsung Electronics Co., Ltd. All rights reserved
|
||
|
|
*
|
||
|
|
****************************************************************************/
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Chip Manager /proc interface
|
||
|
|
*/
|
||
|
|
#include <linux/proc_fs.h>
|
||
|
|
#include <linux/version.h>
|
||
|
|
#include <linux/seq_file.h>
|
||
|
|
|
||
|
|
#ifndef SCSC_MIF_PROC_H
|
||
|
|
#define SCSC_MIF_PROC_H
|
||
|
|
|
||
|
|
#ifndef AID_MX
|
||
|
|
#define AID_MX 0444
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 10, 9))
|
||
|
|
#define MIF_PDE_DATA(inode) PDE_DATA(inode)
|
||
|
|
#else
|
||
|
|
#define MIF_PDE_DATA(inode) (PDE(inode)->data)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#define MIF_PROCFS_SEQ_FILE_OPS(name) \
|
||
|
|
static int mifprocfs_ ## name ## _show(struct seq_file *m, void *v); \
|
||
|
|
static int mifprocfs_ ## name ## _open(struct inode *inode, struct file *file) \
|
||
|
|
{ \
|
||
|
|
return single_open(file, mifprocfs_ ## name ## _show, MIF_PDE_DATA(inode)); \
|
||
|
|
} \
|
||
|
|
static const struct file_operations mifprocfs_ ## name ## _fops = { \
|
||
|
|
.open = mifprocfs_ ## name ## _open, \
|
||
|
|
.read = seq_read, \
|
||
|
|
.llseek = seq_lseek, \
|
||
|
|
.release = single_release, \
|
||
|
|
}
|
||
|
|
|
||
|
|
#define MIF_PROCFS_SEQ_ADD_FILE(_sdev, name, parent, mode) \
|
||
|
|
do { \
|
||
|
|
struct proc_dir_entry *entry; \
|
||
|
|
entry = proc_create_data(# name, mode, parent, &mifprocfs_ ## name ## _fops, _sdev); \
|
||
|
|
if (!entry) { \
|
||
|
|
break; \
|
||
|
|
} \
|
||
|
|
MIF_PROCFS_SET_UID_GID(entry); \
|
||
|
|
} while (0)
|
||
|
|
|
||
|
|
#define MIF_PROCFS_RW_FILE_OPS(name) \
|
||
|
|
static ssize_t mifprocfs_ ## name ## _write(struct file *file, const char __user *user_buf, size_t count, loff_t *ppos); \
|
||
|
|
static ssize_t mifprocfs_ ## name ## _read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos); \
|
||
|
|
static const struct file_operations mifprocfs_ ## name ## _fops = { \
|
||
|
|
.read = mifprocfs_ ## name ## _read, \
|
||
|
|
.write = mifprocfs_ ## name ## _write, \
|
||
|
|
.open = mifprocfs_open_file_generic, \
|
||
|
|
.llseek = generic_file_llseek \
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
#define MIF_PROCFS_RO_FILE_OPS(name) \
|
||
|
|
static ssize_t mifprocfs_ ## name ## _read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos); \
|
||
|
|
static const struct file_operations mifprocfs_ ## name ## _fops = { \
|
||
|
|
.read = mifprocfs_ ## name ## _read, \
|
||
|
|
.open = mifprocfs_open_file_generic, \
|
||
|
|
.llseek = generic_file_llseek \
|
||
|
|
}
|
||
|
|
|
||
|
|
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 10, 9))
|
||
|
|
#define MIF_PROCFS_SET_UID_GID(_entry) \
|
||
|
|
do { \
|
||
|
|
kuid_t proc_kuid = KUIDT_INIT(AID_MX); \
|
||
|
|
kgid_t proc_kgid = KGIDT_INIT(AID_MX); \
|
||
|
|
proc_set_user(_entry, proc_kuid, proc_kgid); \
|
||
|
|
} while (0)
|
||
|
|
#else
|
||
|
|
#define MIF_PROCFS_SET_UID_GID(entry) \
|
||
|
|
do { \
|
||
|
|
(entry)->uid = AID_MX; \
|
||
|
|
(entry)->gid = AID_MX; \
|
||
|
|
} while (0)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 10, 9))
|
||
|
|
#define MIF_PROCFS_ADD_FILE(_sdev, name, parent, mode) \
|
||
|
|
do { \
|
||
|
|
struct proc_dir_entry *entry = proc_create_data(# name, mode, parent, &mifprocfs_ ## name ## _fops, _sdev); \
|
||
|
|
MIF_PROCFS_SET_UID_GID(entry); \
|
||
|
|
} while (0)
|
||
|
|
#else
|
||
|
|
#define MIF_PROCFS_ADD_FILE(_sdev, name, parent, mode) \
|
||
|
|
do { \
|
||
|
|
struct proc_dir_entry *entry; \
|
||
|
|
entry = create_proc_entry(# name, mode, parent); \
|
||
|
|
if (entry) { \
|
||
|
|
entry->proc_fops = &mifprocfs_ ## name ## _fops; \
|
||
|
|
entry->data = _sdev; \
|
||
|
|
MIF_PROCFS_SET_UID_GID(entry); \
|
||
|
|
} \
|
||
|
|
} while (0)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#define MIF_PROCFS_REMOVE_FILE(name, parent) remove_proc_entry(# name, parent)
|
||
|
|
|
||
|
|
struct scsc_mif_abs;
|
||
|
|
struct miframman;
|
||
|
|
|
||
|
|
int mifproc_create_proc_dir(struct scsc_mif_abs *mif);
|
||
|
|
void mifproc_remove_proc_dir(void);
|
||
|
|
int mifproc_create_ramman_proc_dir(struct miframman *miframman);
|
||
|
|
void mifproc_remove_ramman_proc_dir(struct miframman *miframman);
|
||
|
|
|
||
|
|
struct mifproc {
|
||
|
|
};
|
||
|
|
#endif /* SCSC_mif_PROC_H */
|