Hi!
On 4/3/2016 10:42 AM, Tomas Winkler wrote:
> Register UFS RPMB LUN with the RPMB subsystem and provide
> implementation for the RPMB access operations. RPMB partition is
> accessed via a sequence of security protocol in and security protocol
> out commands with UFS specific parameters. This multi step process is
> abstracted into 4 basic RPMB commands.
>
> Signed-off-by: Alexander Usyskin <alexander.usyskin@xxxxxxxxx>
> Signed-off-by: Tomas Winkler <tomas.winkler@xxxxxxxxx>
> ---
> drivers/scsi/ufs/ufshcd.c | 219 ++++++++++++++++++++++++++++++++++++++++++++++
> drivers/scsi/ufs/ufshcd.h | 2 +
> 2 files changed, 221 insertions(+)
>
> diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
> index f8fa72c31a9d..c087e9713db3 100644
> --- a/drivers/scsi/ufs/ufshcd.c
> +++ b/drivers/scsi/ufs/ufshcd.c
> @@ -37,10 +37,13 @@
> * license terms, and distributes only under these terms.
> */
>
[snip]
> scsi_remove_host(hba->host);
> /* disable interrupts */
> ufshcd_disable_intr(hba, hba->intr_mask);
> diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h
> index 4bb65669f052..92bfddf80ae8 100644
> --- a/drivers/scsi/ufs/ufshcd.h
> +++ b/drivers/scsi/ufs/ufshcd.h
> @@ -346,6 +346,7 @@ struct ufs_init_prefetch {
> * @utmrdl_dma_addr: UTMRDL DMA address
> * @host: Scsi_Host instance of the driver
> * @dev: device handle
> + * @sdev_ufs_rpmb: reference to RPMB device W-LU
> * @lrb: local reference block
> * @lrb_in_use: lrb in use
> * @outstanding_tasks: Bits representing outstanding task requests
> @@ -408,6 +409,7 @@ struct ufs_hba {
> * "UFS device" W-LU.
> */
> struct scsi_device *sdev_ufs_device;
> + struct scsi_device *sdev_ufs_rpmb;
>
> enum ufs_dev_pwr_mode curr_dev_pwr_mode;
> enum uic_link_state uic_link_state;
>
I saw some kbuild robot issues regarding the patchset, so I would suggest you
make a v2 of the patch set and I can run some tests with the DW UFS Host design.
Thanks.
Joao
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