Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752222AbaASDHB (ORCPT ); Sat, 18 Jan 2014 22:07:01 -0500 Received: from mail.linux-iscsi.org ([67.23.28.174]:44526 "EHLO linux-iscsi.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751974AbaASDFZ (ORCPT ); Sat, 18 Jan 2014 22:05:25 -0500 From: "Nicholas A. Bellinger" To: target-devel Cc: linux-scsi , linux-kernel , "Martin K. Petersen" , Christoph Hellwig , Hannes Reinecke , Sagi Grimberg , Or Gerlitz , Roland Dreier , Nicholas Bellinger Subject: [PATCH-v2 07/17] target/sbc: Add P_TYPE + PROT_EN bits to READ_CAPACITY_16 Date: Sun, 19 Jan 2014 02:44:30 +0000 Message-Id: <1390099480-29013-8-git-send-email-nab@daterainc.com> X-Mailer: git-send-email 1.7.2.5 In-Reply-To: <1390099480-29013-1-git-send-email-nab@daterainc.com> References: <1390099480-29013-1-git-send-email-nab@daterainc.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Nicholas Bellinger This patch updates sbc_emulate_readcapacity_16() to set P_TYPE and PROT_EN bits when DIF emulation is enabled by the backend device. Reviewed-by: Martin K. Petersen Cc: Christoph Hellwig Cc: Hannes Reinecke Cc: Sagi Grimberg Cc: Or Gerlitz Signed-off-by: Nicholas Bellinger --- drivers/target/target_core_sbc.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/target/target_core_sbc.c b/drivers/target/target_core_sbc.c index 26e8bfb..75364c7 100644 --- a/drivers/target/target_core_sbc.c +++ b/drivers/target/target_core_sbc.c @@ -106,6 +106,11 @@ sbc_emulate_readcapacity_16(struct se_cmd *cmd) buf[9] = (dev->dev_attrib.block_size >> 16) & 0xff; buf[10] = (dev->dev_attrib.block_size >> 8) & 0xff; buf[11] = dev->dev_attrib.block_size & 0xff; + /* + * Set P_TYPE and PROT_EN bits for DIF support + */ + if (dev->dev_attrib.pi_prot_type) + buf[12] = (dev->dev_attrib.pi_prot_type - 1) << 1 | 0x1; if (dev->transport->get_lbppbe) buf[13] = dev->transport->get_lbppbe(dev) & 0x0f; -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/