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9fb10726ec
Add IOC_OPAL_DISCOVERY ioctl to return raw discovery data to a SED Opal application. This allows the application to display drive capabilities and state. Signed-off-by: Greg Joyce <gjoyce@linux.vnet.ibm.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Jonathan Derrick <jonathan.derrick@linux.dev> Acked-by: Jarkko Sakkinen <jarkko@kernel.org> Link: https://lore.kernel.org/r/20230721211534.3437070-2-gjoyce@linux.vnet.ibm.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
76 lines
1.8 KiB
C
76 lines
1.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright © 2016 Intel Corporation
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*
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* Authors:
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* Rafael Antognolli <rafael.antognolli@intel.com>
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* Scott Bauer <scott.bauer@intel.com>
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*/
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#ifndef LINUX_OPAL_H
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#define LINUX_OPAL_H
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#include <uapi/linux/sed-opal.h>
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#include <linux/compiler_types.h>
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#include <linux/types.h>
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struct opal_dev;
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typedef int (sec_send_recv)(void *data, u16 spsp, u8 secp, void *buffer,
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size_t len, bool send);
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#ifdef CONFIG_BLK_SED_OPAL
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void free_opal_dev(struct opal_dev *dev);
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bool opal_unlock_from_suspend(struct opal_dev *dev);
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struct opal_dev *init_opal_dev(void *data, sec_send_recv *send_recv);
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int sed_ioctl(struct opal_dev *dev, unsigned int cmd, void __user *ioctl_ptr);
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static inline bool is_sed_ioctl(unsigned int cmd)
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{
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switch (cmd) {
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case IOC_OPAL_SAVE:
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case IOC_OPAL_LOCK_UNLOCK:
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case IOC_OPAL_TAKE_OWNERSHIP:
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case IOC_OPAL_ACTIVATE_LSP:
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case IOC_OPAL_SET_PW:
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case IOC_OPAL_ACTIVATE_USR:
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case IOC_OPAL_REVERT_TPR:
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case IOC_OPAL_LR_SETUP:
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case IOC_OPAL_ADD_USR_TO_LR:
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case IOC_OPAL_ENABLE_DISABLE_MBR:
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case IOC_OPAL_ERASE_LR:
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case IOC_OPAL_SECURE_ERASE_LR:
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case IOC_OPAL_PSID_REVERT_TPR:
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case IOC_OPAL_MBR_DONE:
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case IOC_OPAL_WRITE_SHADOW_MBR:
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case IOC_OPAL_GENERIC_TABLE_RW:
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case IOC_OPAL_GET_STATUS:
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case IOC_OPAL_GET_LR_STATUS:
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case IOC_OPAL_GET_GEOMETRY:
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case IOC_OPAL_DISCOVERY:
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return true;
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}
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return false;
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}
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#else
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static inline void free_opal_dev(struct opal_dev *dev)
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{
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}
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static inline bool is_sed_ioctl(unsigned int cmd)
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{
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return false;
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}
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static inline int sed_ioctl(struct opal_dev *dev, unsigned int cmd,
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void __user *ioctl_ptr)
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{
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return 0;
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}
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static inline bool opal_unlock_from_suspend(struct opal_dev *dev)
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{
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return false;
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}
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#define init_opal_dev(data, send_recv) NULL
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#endif /* CONFIG_BLK_SED_OPAL */
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#endif /* LINUX_OPAL_H */
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