From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934879AbcA1GlT (ORCPT ); Thu, 28 Jan 2016 01:41:19 -0500 Received: from mail-pa0-f41.google.com ([209.85.220.41]:34757 "EHLO mail-pa0-f41.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965219AbcA1Ghn (ORCPT ); Thu, 28 Jan 2016 01:37:43 -0500 From: Suganath prabu Subaramani To: JBottomley@Parallels.com, jejb@kernel.org, hch@infradead.org Cc: martin.petersen@oracle.com, linux-scsi@vger.kernel.org, Sathya.Prakash@avagotech.com, kashyap.desai@avagotech.com, krishnaraddi.mankani@avagotech.com, linux-kernel@vger.kernel.org, suganath-prabu.subramani@avagotech.com, chaitra.basappa@avagotech.com, sreekanth.reddy@avagotech.com Subject: [mpt3sas driver 02/10] mpt3sas: Used IEEE SGL instead of MPI SGL while framing a SMP Passthrough request message. Date: Thu, 28 Jan 2016 12:06:59 +0530 Message-Id: <1453963027-19770-3-git-send-email-suganath-prabu.subramani@avagotech.com> X-Mailer: git-send-email 2.0.2 In-Reply-To: <1453963027-19770-1-git-send-email-suganath-prabu.subramani@avagotech.com> References: <1453963027-19770-1-git-send-email-suganath-prabu.subramani@avagotech.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Suganath prabu Subramani As driver was using MPI SGL while framing the SMP Passthrough request message due to which firmware unable to post the Reply Data in the host memory and timeout is observed for this SMP Passthrough request message and so unable to perform phy disable operation. Signed-off-by: Suganath prabu Subramani Signed-off-by: Chaitra P B --- drivers/scsi/mpt3sas/mpt3sas_transport.c | 23 ++++------------------- 1 file changed, 4 insertions(+), 19 deletions(-) diff --git a/drivers/scsi/mpt3sas/mpt3sas_transport.c b/drivers/scsi/mpt3sas/mpt3sas_transport.c index ca36d7e..df08aeb 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_transport.c +++ b/drivers/scsi/mpt3sas/mpt3sas_transport.c @@ -1418,7 +1418,6 @@ _transport_expander_phy_control(struct MPT3SAS_ADAPTER *ioc, u32 ioc_state; unsigned long timeleft; void *psge; - u32 sgl_flags; u8 issue_reset = 0; void *data_out = NULL; dma_addr_t data_out_dma; @@ -1507,24 +1506,10 @@ _transport_expander_phy_control(struct MPT3SAS_ADAPTER *ioc, cpu_to_le16(sizeof(struct phy_error_log_request)); psge = &mpi_request->SGL; - /* WRITE sgel first */ - sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT | - MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_HOST_TO_IOC); - sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; - ioc->base_add_sg_single(psge, sgl_flags | - sizeof(struct phy_control_request), data_out_dma); - - /* incr sgel */ - psge += ioc->sge_size; - - /* READ sgel last */ - sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT | - MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER | - MPI2_SGE_FLAGS_END_OF_LIST); - sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; - ioc->base_add_sg_single(psge, sgl_flags | - sizeof(struct phy_control_reply), data_out_dma + - sizeof(struct phy_control_request)); + ioc->build_sg(ioc, psge, data_out_dma, + sizeof(struct phy_control_request), + data_out_dma + sizeof(struct phy_control_request), + sizeof(struct phy_control_reply)); dtransportprintk(ioc, pr_info(MPT3SAS_FMT "phy_control - send to sas_addr(0x%016llx), phy(%d), opcode(%d)\n", -- 1.8.3.1