From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2F6C5C433EF for ; Mon, 20 Dec 2021 14:04:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233423AbhLTOES (ORCPT ); Mon, 20 Dec 2021 09:04:18 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51610 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233442AbhLTOEP (ORCPT ); Mon, 20 Dec 2021 09:04:15 -0500 Received: from mail-pg1-x536.google.com (mail-pg1-x536.google.com [IPv6:2607:f8b0:4864:20::536]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C8D82C061401 for ; Mon, 20 Dec 2021 06:04:15 -0800 (PST) Received: by mail-pg1-x536.google.com with SMTP id a23so9490221pgm.4 for ; Mon, 20 Dec 2021 06:04:15 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version; bh=Li9ZzYgTscm9Nk8n6eURg7S43BpiKZ0rpUu8JuH19uE=; b=cTklcMig4SVzV7jKszV7QDzPI32ZuaBEVdLV/s8+5YugY4yQZApKqLuJA7aO/n0gDH X/hZjIl8IcSURp/OvaIw5xUT20SoXBQsruyuzXpt2Y3Esq2oMzRPXRufJeEnrjkLDEJg WBY9Vh5oqeU0Vp1Pxi6DUmHkxdehMwMd4PmNI= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version; bh=Li9ZzYgTscm9Nk8n6eURg7S43BpiKZ0rpUu8JuH19uE=; b=a7eqaaAqosIwSgNI4njhx/k8Xx68RoqNgIvDgngxu04yfw2bxlksfnTaAQblfQRtG6 ddv9aP1+MpF5+v1/tSwEtf/38Dq/5TXsjQkV+qv8dd70LCxbUJYL/OZKaZkugIsBiBEs IXpfHheXaL8/gKmyPJ+9xYS7NipMmoc4CjF+ep9FQ1dIM+N7lNqRXMy51groUXsxa0Wg UDUPh6vYXMPWJBx8zdGvSu3t2zwMOYFupsBGPZdiI1BCJapRMQMDYzvjBpobK0DSgMvh be5GOvUEHN35VDaxTcV/0R1+6iM9nmwuZ+euqDr0iti/dJSVg+0cZ6Yg7OximTk7gCyB JePw== X-Gm-Message-State: AOAM532P3OQguSHlor7HnElBOC0OfldXim1IuzTu9xDN0itSRiFUGarm EBlaH+um5hAtqPpENc+2DOVmbMYD2/RjI0sWHO7kQQr6THDdw7PRf8EXw28drvHPz01PjFcR5yc Rfh5s29nzXg92n0oeeYo+//7QFZfDzHHrYy/aNXvBqYEzRfCP97QVKxWGIDtXh2UWRMSLaD+dqe xzc3opNhFm X-Google-Smtp-Source: ABdhPJx1MqniG1GTqb54ZPqOQAFm0hFVwlUKHW8pfWGmOFdn9AEgIBxai5JvkHPF3x5RaelHgsKwVg== X-Received: by 2002:a62:78d3:0:b0:4ba:7141:83e9 with SMTP id t202-20020a6278d3000000b004ba714183e9mr16360470pfc.83.1640009054671; Mon, 20 Dec 2021 06:04:14 -0800 (PST) Received: from dhcp-10-123-20-36.dhcp.broadcom.net ([192.19.234.250]) by smtp.gmail.com with ESMTPSA id b4sm5434180pjm.17.2021.12.20.06.04.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 20 Dec 2021 06:04:14 -0800 (PST) From: Sreekanth Reddy To: linux-scsi@vger.kernel.org Cc: martin.petersen@oracle.com, mpi3mr-linuxdrv.pdl@broadcom.com, Sreekanth Reddy Subject: [PATCH 06/25] mpi3mr: Add support for PCIe Managed Switch SES device Date: Mon, 20 Dec 2021 19:41:40 +0530 Message-Id: <20211220141159.16117-7-sreekanth.reddy@broadcom.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20211220141159.16117-1-sreekanth.reddy@broadcom.com> References: <20211220141159.16117-1-sreekanth.reddy@broadcom.com> MIME-Version: 1.0 Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256; boundary="0000000000002b57d205d3945d87" Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org --0000000000002b57d205d3945d87 Content-Transfer-Encoding: 8bit The SAS4 Controller firmware exposes the SES devices in Managed PCIe Switch as a PCIe Device Type SCSI Device (MPI3_DEVICE0_PCIE_DEVICE_INFO_TYPE_SCSI_DEVICE). Driver is enhanced to handle this device type by - exposing the device to the upper layers and - not updating any hardware sectors & virtual boundary settings as these settings are needed only for NVMe devices. Signed-off-by: Sreekanth Reddy --- drivers/scsi/mpi3mr/mpi3mr.h | 3 +++ drivers/scsi/mpi3mr/mpi3mr_os.c | 40 ++++++++++++++++++++++++--------- 2 files changed, 32 insertions(+), 11 deletions(-) diff --git a/drivers/scsi/mpi3mr/mpi3mr.h b/drivers/scsi/mpi3mr/mpi3mr.h index cdbd1cb..fe3cfd5 100644 --- a/drivers/scsi/mpi3mr/mpi3mr.h +++ b/drivers/scsi/mpi3mr/mpi3mr.h @@ -147,6 +147,7 @@ extern int prot_mask; MPI3_SCSITASKMGMT_RSPCODE_IO_QUEUED_ON_IOC #define MPI3MR_DEFAULT_MDTS (128 * 1024) +#define MPI3MR_DEFAULT_PGSZEXP (12) /* Command retry count definitions */ #define MPI3MR_DEV_RMHS_RETRY_COUNT 3 @@ -389,6 +390,7 @@ struct tgt_dev_sas_sata { * @pgsz: Device page size * @abort_to: Timeout for abort TM * @reset_to: Timeout for Target/LUN reset TM + * @dev_info: Device information bits */ struct tgt_dev_pcie { u32 mdts; @@ -396,6 +398,7 @@ struct tgt_dev_pcie { u8 pgsz; u8 abort_to; u8 reset_to; + u16 dev_info; }; /** diff --git a/drivers/scsi/mpi3mr/mpi3mr_os.c b/drivers/scsi/mpi3mr/mpi3mr_os.c index e887d31..14621dc 100644 --- a/drivers/scsi/mpi3mr/mpi3mr_os.c +++ b/drivers/scsi/mpi3mr/mpi3mr_os.c @@ -742,11 +742,18 @@ mpi3mr_update_sdev(struct scsi_device *sdev, void *data) switch (tgtdev->dev_type) { case MPI3_DEVICE_DEVFORM_PCIE: /*The block layer hw sector size = 512*/ - blk_queue_max_hw_sectors(sdev->request_queue, - tgtdev->dev_spec.pcie_inf.mdts / 512); - blk_queue_virt_boundary(sdev->request_queue, - ((1 << tgtdev->dev_spec.pcie_inf.pgsz) - 1)); - + if ((tgtdev->dev_spec.pcie_inf.dev_info & + MPI3_DEVICE0_PCIE_DEVICE_INFO_TYPE_MASK) == + MPI3_DEVICE0_PCIE_DEVICE_INFO_TYPE_NVME_DEVICE) { + blk_queue_max_hw_sectors(sdev->request_queue, + tgtdev->dev_spec.pcie_inf.mdts / 512); + if (tgtdev->dev_spec.pcie_inf.pgsz == 0) + blk_queue_virt_boundary(sdev->request_queue, + ((1 << MPI3MR_DEFAULT_PGSZEXP) - 1)); + else + blk_queue_virt_boundary(sdev->request_queue, + ((1 << tgtdev->dev_spec.pcie_inf.pgsz) - 1)); + } break; default: break; @@ -848,6 +855,7 @@ static void mpi3mr_update_tgtdev(struct mpi3mr_ioc *mrioc, &dev_pg0->device_specific.pcie_format; u16 dev_info = le16_to_cpu(pcieinf->device_info); + tgtdev->dev_spec.pcie_inf.dev_info = dev_info; tgtdev->dev_spec.pcie_inf.capb = le32_to_cpu(pcieinf->capabilities); tgtdev->dev_spec.pcie_inf.mdts = MPI3MR_DEFAULT_MDTS; @@ -864,8 +872,10 @@ static void mpi3mr_update_tgtdev(struct mpi3mr_ioc *mrioc, } if (tgtdev->dev_spec.pcie_inf.mdts > (1024 * 1024)) tgtdev->dev_spec.pcie_inf.mdts = (1024 * 1024); - if ((dev_info & MPI3_DEVICE0_PCIE_DEVICE_INFO_TYPE_MASK) != - MPI3_DEVICE0_PCIE_DEVICE_INFO_TYPE_NVME_DEVICE) + if (((dev_info & MPI3_DEVICE0_PCIE_DEVICE_INFO_TYPE_MASK) != + MPI3_DEVICE0_PCIE_DEVICE_INFO_TYPE_NVME_DEVICE) && + ((dev_info & MPI3_DEVICE0_PCIE_DEVICE_INFO_TYPE_MASK) != + MPI3_DEVICE0_PCIE_DEVICE_INFO_TYPE_SCSI_DEVICE)) tgtdev->is_hidden = 1; if (!mrioc->shost) break; @@ -3190,10 +3200,18 @@ static int mpi3mr_slave_configure(struct scsi_device *sdev) switch (tgt_dev->dev_type) { case MPI3_DEVICE_DEVFORM_PCIE: /*The block layer hw sector size = 512*/ - blk_queue_max_hw_sectors(sdev->request_queue, - tgt_dev->dev_spec.pcie_inf.mdts / 512); - blk_queue_virt_boundary(sdev->request_queue, - ((1 << tgt_dev->dev_spec.pcie_inf.pgsz) - 1)); + if ((tgt_dev->dev_spec.pcie_inf.dev_info & + MPI3_DEVICE0_PCIE_DEVICE_INFO_TYPE_MASK) == + MPI3_DEVICE0_PCIE_DEVICE_INFO_TYPE_NVME_DEVICE) { + blk_queue_max_hw_sectors(sdev->request_queue, + tgt_dev->dev_spec.pcie_inf.mdts / 512); + if (tgt_dev->dev_spec.pcie_inf.pgsz == 0) + blk_queue_virt_boundary(sdev->request_queue, + ((1 << MPI3MR_DEFAULT_PGSZEXP) - 1)); + else + blk_queue_virt_boundary(sdev->request_queue, + ((1 << tgt_dev->dev_spec.pcie_inf.pgsz) - 1)); + } break; default: break; -- 2.27.0 --0000000000002b57d205d3945d87 Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME 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