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// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (c) 2023 Hannes Reinecke, SUSE Labs
*/
#include <linux/module.h>
#include <linux/seq_file.h>
#include <linux/key-type.h>
#include <keys/user-type.h>
#include <linux/nvme.h>
static struct key *nvme_keyring;
key_serial_t nvme_keyring_id(void)
{
return nvme_keyring->serial;
}
EXPORT_SYMBOL_GPL(nvme_keyring_id);
int nvme_keyring_init(void)
{
nvme_keyring = keyring_alloc(".nvme",
GLOBAL_ROOT_UID, GLOBAL_ROOT_GID,
current_cred(),
(KEY_POS_ALL & ~KEY_POS_SETATTR) |
(KEY_USR_ALL & ~KEY_USR_SETATTR),
KEY_ALLOC_NOT_IN_QUOTA, NULL, NULL);
if (IS_ERR(nvme_keyring))
return PTR_ERR(nvme_keyring);
return 0;
}
EXPORT_SYMBOL_GPL(nvme_keyring_init);
void nvme_keyring_exit(void)
{
key_revoke(nvme_keyring);
key_put(nvme_keyring);
}
EXPORT_SYMBOL_GPL(nvme_keyring_exit);
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