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  *   ˆl–Ü4ý( ©³( 	Å€fàB¦-ÿÇƒn_†I|¥+ÄÆ     /* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * i2c-smbus.h - SMBus extensions to the I2C protocol
 *
 * Copyright (C) 2010-2019 Jean Delvare <jdelvare@suse.de>
 */

#ifndef _LINUX_I2C_SMBUS_H
#define _LINUX_I2C_SMBUS_H

#include <linux/i2c.h>
#include <linux/spinlock.h>
#include <linux/workqueue.h>


/**
 * i2c_smbus_alert_setup - platform data for the smbus_alert i2c client
 * @irq: IRQ number, if the smbus_alert driver should take care of interrupt
 *		handling
 *
 * If irq is not specified, the smbus_alert driver doesn't take care of
 * interrupt handling. In that case it is up to the I2C bus driver to either
 * handle the interrupts or to poll for alerts.
 */
struct i2c_smbus_alert_setup {
	int			irq;
};

struct i2c_client *i2c_new_smbus_alert_device(struct i2c_adapter *adapter,
					      struct i2c_smbus_alert_setup *setup);
int i2c_handle_smbus_alert(struct i2c_client *ara);

#if IS_ENABLED(CONFIG_I2C_SMBUS) && IS_ENABLED(CONFIG_I2C_SLAVE)
struct i2c_client *i2c_new_slave_host_notify_device(struct i2c_adapter *adapter);
void i2c_free_slave_host_notify_device(struct i2c_client *client);
#else
static inline struct i2c_client *i2c_new_slave_host_notify_device(struct i2c_adapter *adapter)
{
	return ERR_PTR(-ENOSYS);
}
static inline void i2c_free_slave_host_notify_device(struct i2c_client *client)
{
}
#endif

#if IS_ENABLED(CONFIG_I2C_SMBUS) && IS_ENABLED(CONFIG_DMI)
void i2c_register_spd(struct i2c_adapter *adap);
#else
static inline void i2c_register_spd(struct i2c_adapter *adap) { }
#endif

#endif /* _LINUX_I2C_SMBUS_H */
  #   ˆ¿Èƒm¡?¾a–Ým_J*j"TânãN\eõ1hßÇ 5    /* SPDX-License-Identifier: GPL-2.0 */
/*
 * Copyright 2019 Google LLC
 */

#ifndef __LINUX_BLK_CRYPTO_PROFILE_H
#define __LINUX_BLK_CRYPTO_PROFILE_H

#include <linux/bio.h>
#include <linux/blk-crypto.h>

struct blk_crypto_profile;

/**
 * struct blk_crypto_ll_ops - functions to control inline encryption hardware
 *
 * Low-level operations for controlling inline encryption hardware.  This
 * interface must be implemented by storage drivers that support inline
 * encryption.  All functions may sleep, are serialized by profile->lock, and
 * are never called while profile->dev (if set) is runtime-suspended.
 */
struct blk_crypto_ll_ops {

	/**
	 * @keyslot_program: Program a key into the inline encryption hardware.
	 *
	 * Program @key into the specified @slot in the inline encryption
	 * hardware, overwriting any key that the keyslot may already contain.
	 * The keyslot is guaranteed to not be in-use by any I/O.
	 *
	 * This is required if the device has keyslots.  Otherwise (i.e. if the
	 * device is a layered device, or if the device is real hardware that
	 * simply doesn't have the concept of keyslots) it is never called.
	 *
	 * Must return 0 on success, or -errno on failure.
	 */
	int (*keyslot_program)(struct blk_crypto_profile *profile,
			       const struct blk_crypto_key *key,
			       unsigned int slot);

	/**
	 * @keyslot_evict: Evict a key from the inline encryption hardware.
	 *
	 * If the device has keyslots, this function must evict the key from the
	 * specified @slot.  The slot will contain @key, but there should be no
	 * need for the @key argument to be used as @slot should be sufficient.
	 * The keyslot is guaranteed to not be in-use by any I/O.
	 *
	 * If the device doesn't have keyslots itself, this function must evict
	 * @key from any underlying devices.  @slot won't be valid in this case.
	 *
	 * If there are no keyslots and no underlying devices, this function
	 * isn't required.
	 *
	 * Must return 0 on success, or -errno on failure.
	 */
	int (*keyslot_evict)(struct blk_crypto_profile *profile,
			     const struct blk_crypto_key *key,
			     unsigned int slot);
};

/**
 * struct blk_crypto_profile - inline encryption profile for a device
 *
 * This struct contains a storage device's inline encryption capabilities (e.g.
 * the supported crypto algorithms), driver-provided functions to control the
 * inline encryption hardware (e.g. programming and ev