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Satya Tangirala 70297a8ac7 scsi: ufs: UFS crypto API
Introduce functions to manipulate UFS inline encryption hardware in line
with the JEDEC UFSHCI v2.1 specification and to work with the block keyslot
manager.

The UFS crypto API will assume by default that a vendor driver doesn't
support UFS crypto, even if the hardware advertises the capability, because
a lot of hardware requires some special handling that's not specified in
the aforementioned JEDEC spec. Each vendor driver must explicitly set
hba->caps |= UFSHCD_CAP_CRYPTO before ufshcd_hba_init_crypto_capabilities()
is called to opt-in to UFS crypto support.

Link: https://lore.kernel.org/r/20200706200414.2027450-3-satyat@google.com
Reviewed-by: Eric Biggers <ebiggers@google.com>
Reviewed-by: Stanley Chu <stanley.chu@mediatek.com>
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Signed-off-by: Satya Tangirala <satyat@google.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-08 01:23:29 -04:00
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Linux kernel
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There are several guides for kernel developers and users. These guides can
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There are various text files in the Documentation/ subdirectory,
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