66 lines
1.4 KiB
C
66 lines
1.4 KiB
C
/*
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* ffu.h
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*
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* Copyright (C) 2015 Google, Inc
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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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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* This program was created by SanDisk Corp
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*/
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#ifndef _FFU_H_
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#define _FFU_H_
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#include <linux/mmc/card.h>
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/*
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* eMMC5.0 Field Firmware Update (FFU) opcodes
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*/
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#define MMC_FFU_INVOKE_OP 302
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#define MMC_FFU_MODE_SET 0x1
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#define MMC_FFU_MODE_NORMAL 0x0
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#define MMC_FFU_INSTALL_SET 0x2
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#define FFU_NAME_LEN 80 /* Name of the firmware file udev should find */
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enum mmc_ffu_hack_type {
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MMC_OVERRIDE_FFU_ARG = 0,
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MMC_HACK_LEN,
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};
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struct mmc_ffu_hack {
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enum mmc_ffu_hack_type type;
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u64 value;
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};
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struct mmc_ffu_args {
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char name[FFU_NAME_LEN];
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u32 ack_nb;
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struct mmc_ffu_hack hack[0];
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};
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#ifdef CONFIG_MMC_FFU
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#define MMC_FFU_FEATURES 0x1
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#define FFU_FEATURES(ffu_features) (ffu_features & MMC_FFU_FEATURES)
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int mmc_ffu_invoke(struct mmc_card *card, const struct mmc_ffu_args *args);
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#else
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static inline int mmc_ffu_invoke(struct mmc_card *card,
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const struct mmc_ffu_args *args)
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{
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return -ENOSYS;
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}
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#endif
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#endif /* _FFU_H_ */
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