cregit-Linux how code gets into the kernel

Release 4.12 include/linux/sed-opal.h

Directory: include/linux
/*
 * Copyright © 2016 Intel Corporation
 *
 * Authors:
 *    Rafael Antognolli <rafael.antognolli@intel.com>
 *    Scott  Bauer      <scott.bauer@intel.com>
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms and conditions of the GNU General Public License,
 * version 2, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope 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_OPAL_H

#define LINUX_OPAL_H

#include <uapi/linux/sed-opal.h>
#include <linux/kernel.h>

struct opal_dev;


typedef int (sec_send_recv)(void *data, u16 spsp, u8 secp, void *buffer,
		size_t len, bool send);

#ifdef CONFIG_BLK_SED_OPAL
void free_opal_dev(struct opal_dev *dev);
bool opal_unlock_from_suspend(struct opal_dev *dev);
struct opal_dev *init_opal_dev(void *data, sec_send_recv *send_recv);
int sed_ioctl(struct opal_dev *dev, unsigned int cmd, void __user *ioctl_ptr);


static inline bool is_sed_ioctl(unsigned int cmd) { switch (cmd) { case IOC_OPAL_SAVE: case IOC_OPAL_LOCK_UNLOCK: case IOC_OPAL_TAKE_OWNERSHIP: case IOC_OPAL_ACTIVATE_LSP: case IOC_OPAL_SET_PW: case IOC_OPAL_ACTIVATE_USR: case IOC_OPAL_REVERT_TPR: case IOC_OPAL_LR_SETUP: case IOC_OPAL_ADD_USR_TO_LR: case IOC_OPAL_ENABLE_DISABLE_MBR: case IOC_OPAL_ERASE_LR: case IOC_OPAL_SECURE_ERASE_LR: return true; } return false; }

Contributors

PersonTokensPropCommitsCommitProp
Scott Bauer59100.00%1100.00%
Total59100.00%1100.00%

#else
static inline void free_opal_dev(struct opal_dev *dev) { }

Contributors

PersonTokensPropCommitsCommitProp
Scott Bauer11100.00%1100.00%
Total11100.00%1100.00%


static inline bool is_sed_ioctl(unsigned int cmd) { return false; }

Contributors

PersonTokensPropCommitsCommitProp
Scott Bauer14100.00%1100.00%
Total14100.00%1100.00%


static inline int sed_ioctl(struct opal_dev *dev, unsigned int cmd, void __user *ioctl_ptr) { return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Scott Bauer24100.00%2100.00%
Total24100.00%2100.00%


static inline bool opal_unlock_from_suspend(struct opal_dev *dev) { return false; }

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PersonTokensPropCommitsCommitProp
Scott Bauer15100.00%1100.00%
Total15100.00%1100.00%

#define init_opal_dev(data, send_recv) NULL #endif /* CONFIG_BLK_SED_OPAL */ #endif /* LINUX_OPAL_H */

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PersonTokensPropCommitsCommitProp
Scott Bauer22595.34%375.00%
Christoph Hellwig114.66%125.00%
Total236100.00%4100.00%
Directory: include/linux
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