On Tue, Feb 7, 2017 at 12:35 PM, Binoy Jayan <binoy.jayan@xxxxxxxxxx> wrote: > =============================================================================== > dm-crypt optimization for larger block sizes > =============================================================================== > > Currently, the iv generation algorithms are implemented in dm-crypt.c. The goal > is to move these algorithms from the dm layer to the kernel crypto layer by > implementing them as template ciphers so they can be used in relation with > algorithms like aes, and with multiple modes like cbc, ecb etc. As part of this > patchset, the iv-generation code is moved from the dm layer to the crypto layer > and adapt the dm-layer to send a whole 'bio' (as defined in the block layer) > at a time. Each bio contains the in memory representation of physically > contiguous disk blocks. Since the bio itself may not be contiguous in main > memory, the dm layer sets up a chained scatterlist of these blocks split into > physically contiguous segments in memory so that DMA can be performed. ... > Binoy Jayan (1): > crypto: Add IV generation algorithms > > drivers/md/dm-crypt.c | 1894 ++++++++++++++++++++++++++++++++++-------------- > include/crypto/geniv.h | 47 ++ > 2 files changed, 1402 insertions(+), 539 deletions(-) > create mode 100644 include/crypto/geniv.h Ran Bonnie++ on it last night (Luks mode, plain64, Qemu Virt platform Arm64) and it works just fine. Tested-by: Gilad Ben-Yossef <gilad@xxxxxxxxxxxxx> Gilad -- Gilad Ben-Yossef Chief Coffee Drinker "If you take a class in large-scale robotics, can you end up in a situation where the homework eats your dog?" -- Jean-Baptiste Queru
