112 lines
5.4 KiB
C
Executable file
112 lines
5.4 KiB
C
Executable file
/****************************************************************************
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*
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* Copyright (c) 2014 - 2016 Samsung Electronics Co., Ltd. All rights reserved
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*
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****************************************************************************/
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/*
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* Chip Manager /proc interface
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*/
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#include <linux/proc_fs.h>
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#include <linux/version.h>
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#include <linux/seq_file.h>
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#include "pcie_mif.h"
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#ifndef SCSC_PCIE_PROC_H
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#define SCSC_PCIE_PROC_H
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#ifndef AID_WIFI
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#define AID_WIFI 0444
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#endif
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#define PCIE_PDE_DATA(inode) PDE_DATA(inode)
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#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5, 6, 0))
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#define PCIE_PROCFS_SEQ_FILE_OPS(name) \
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static int pcie_procfs_ ## name ## _show(struct seq_file *m, void *v); \
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static int pcie_procfs_ ## name ## _open(struct inode *inode, struct file *file) \
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{ \
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return single_open(file, pcie_procfs_ ## name ## _show, PCIE_PDE_DATA(inode)); \
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} \
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static const struct proc_ops pcie_procfs_ ## name ## _fops = { \
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.proc_open = pcie_procfs_ ## name ## _open, \
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.proc_read = seq_read, \
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.proc_lseek = seq_lseek, \
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.proc_release = single_release, \
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}
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#define PCIE_PROCFS_SEQ_ADD_FILE(_sdev, name, parent, mode) \
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do { \
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struct proc_dir_entry *entry; \
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entry = proc_create_data(# name, mode, parent, &pcie_procfs_ ## name ## _fops, _sdev); \
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if (!entry) { \
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goto err; \
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} \
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PCIE_PROCFS_SET_UID_GID(entry); \
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} while (0)
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#define PCIE_PROCFS_RW_FILE_OPS(name) \
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static ssize_t pcie_procfs_ ## name ## _write(struct file *file, const char __user *user_buf, size_t count, loff_t *ppos); \
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static ssize_t pcie_procfs_ ## name ## _read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos); \
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static const struct proc_ops pcie_procfs_ ## name ## _fops = { \
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.proc_read = pcie_procfs_ ## name ## _read, \
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.proc_write = pcie_procfs_ ## name ## _write, \
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.proc_open = pcie_procfs_open_file_generic, \
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.proc_lseek = generic_file_llseek \
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}
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#else
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#define PCIE_PROCFS_SEQ_FILE_OPS(name) \
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static int pcie_procfs_ ## name ## _show(struct seq_file *m, void *v); \
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static int pcie_procfs_ ## name ## _open(struct inode *inode, struct file *file) \
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{ \
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return single_open(file, pcie_procfs_ ## name ## _show, PCIE_PDE_DATA(inode)); \
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} \
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static const struct file_operations pcie_procfs_ ## name ## _fops = { \
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.open = pcie_procfs_ ## name ## _open, \
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.read = seq_read, \
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.llseek = seq_lseek, \
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.release = single_release, \
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}
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#define PCIE_PROCFS_SEQ_ADD_FILE(_sdev, name, parent, mode) \
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do { \
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struct proc_dir_entry *entry; \
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entry = proc_create_data(# name, mode, parent, &pcie_procfs_ ## name ## _fops, _sdev); \
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if (!entry) { \
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goto err; \
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} \
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PCIE_PROCFS_SET_UID_GID(entry); \
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} while (0)
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#define PCIE_PROCFS_RW_FILE_OPS(name) \
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static ssize_t pcie_procfs_ ## name ## _write(struct file *file, const char __user *user_buf, size_t count, loff_t *ppos); \
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static ssize_t pcie_procfs_ ## name ## _read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos); \
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static const struct file_operations pcie_procfs_ ## name ## _fops = { \
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.read = pcie_procfs_ ## name ## _read, \
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.write = pcie_procfs_ ## name ## _write, \
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.open = pcie_procfs_open_file_generic, \
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.llseek = generic_file_llseek \
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}
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#endif
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#define PCIE_PROCFS_SET_UID_GID(_entry) \
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do { \
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kuid_t proc_kuid = KUIDT_INIT(AID_WIFI); \
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kgid_t proc_kgid = KGIDT_INIT(AID_WIFI); \
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proc_set_user(_entry, proc_kuid, proc_kgid); \
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} while (0)
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#define PCIE_PROCFS_ADD_FILE(_sdev, name, parent, mode) \
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do { \
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struct proc_dir_entry *entry = proc_create_data(# name, mode, parent, &pcie_procfs_ ## name ## _fops, _sdev); \
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PCIE_PROCFS_SET_UID_GID(entry); \
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} while (0)
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#define PCIE_PROCFS_REMOVE_FILE(name, parent) remove_proc_entry(# name, parent)
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int pcie_create_proc_dir(struct pcie_mif *pcie);
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void pcie_remove_proc_dir(void);
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#endif /* SCSC_PCIE_PROC_H */
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