61 lines
1.6 KiB
C
61 lines
1.6 KiB
C
/*
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* Copyright (c) 2013-2015 TRUSTONIC LIMITED
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* All Rights Reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef _MC_MAIN_H_
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#define _MC_MAIN_H_
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#include <linux/slab.h> /* gfp_t */
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#define MC_VERSION(major, minor) \
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(((major & 0x0000ffff) << 16) | (minor & 0x0000ffff))
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#define MC_VERSION_MAJOR(x) ((x) >> 16)
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#define MC_VERSION_MINOR(x) ((x) & 0xffff)
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/* MobiCore Driver Kernel Module context data. */
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struct mc_device_ctx {
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struct device *mcd;
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/* debugfs root */
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struct dentry *debug_dir;
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/* GP sessions waiting final close notif */
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struct list_head closing_sess;
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struct mutex closing_lock; /* Closing sessions list */
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/* Features */
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/* - SWd can set a time out to get scheduled at a future time */
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bool f_timeout;
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/* - SWd supports memory extension which allows for bigger TAs */
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bool f_mem_ext;
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/* - SWd supports TA authorisation */
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bool f_ta_auth;
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/* - SWd can map several buffers at once */
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bool f_multimap;
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/* - SWd supports GP client authentication */
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bool f_client_login;
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};
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extern struct mc_device_ctx g_ctx;
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struct kasnprintf_buf {
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gfp_t gfp;
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void *buf;
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int size;
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int off;
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};
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extern __printf(2, 3)
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int kasnprintf(struct kasnprintf_buf *buf, const char *fmt, ...);
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#endif /* _MC_MAIN_H_ */
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