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    Subject[PATCH-v2 05/17] target/spc: Add protection bit to standard INQUIRY output
    Date
    From: Nicholas Bellinger <nab@linux-iscsi.org>

    This patch updates spc_emulate_inquiry_std() to set the
    PROTECT bit when DIF emulation is enabled by the backend
    device.

    Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
    Cc: Christoph Hellwig <hch@lst.de>
    Cc: Hannes Reinecke <hare@suse.de>
    Cc: Sagi Grimberg <sagig@mellanox.com>
    Cc: Or Gerlitz <ogerlitz@mellanox.com>
    Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
    ---
    drivers/target/target_core_spc.c | 5 +++++
    1 file changed, 5 insertions(+)

    diff --git a/drivers/target/target_core_spc.c b/drivers/target/target_core_spc.c
    index 279d260..4178c2a 100644
    --- a/drivers/target/target_core_spc.c
    +++ b/drivers/target/target_core_spc.c
    @@ -100,6 +100,11 @@ spc_emulate_inquiry_std(struct se_cmd *cmd, unsigned char *buf)
    */
    if (dev->dev_attrib.emulate_3pc)
    buf[5] |= 0x8;
    + /*
    + * Set Protection (PROTECT) bit when DIF has been enabled.
    + */
    + if (dev->dev_attrib.pi_prot_type)
    + buf[5] |= 0x1;

    buf[7] = 0x2; /* CmdQue=1 */

    --
    1.7.10.4


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