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(parent: ce0925e) | patch
mei: hbm: setup dma ring
authorTomas Winkler <tomas.winkler@intel.com>
Thu, 22 Nov 2018 11:11:37 +0000 (13:11 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 26 Nov 2018 15:59:48 +0000 (16:59 +0100)
commitc55bf542e91b5c9156d57fd0461aa257b7d20858
treea388da4f3db580ee985fe912a6d22144566a7f9dtree | snapshot
parentce0925e8c2f85f6bbf5d24b56621336cceaf743dcommit | diff
mei: hbm: setup dma ring

DMA ring is allocated upon HBM handshake and the ring parameters are set
via dedicated HBM_DMA_SETUP request command. The firmware will perform
its setup and respond with a status. On failure the DMA buffers are
released.

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/misc/mei/hbm.c diff | blob | blame | history
drivers/misc/mei/hbm.h diff | blob | blame | history
Linux 6.x block layer and io_uring tree(s)