From patchwork Tue Oct 27 13:08:42 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sreekanth Reddy X-Patchwork-Id: 11860357 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 5661F92C for ; Tue, 27 Oct 2020 13:08:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 261AD20878 for ; Tue, 27 Oct 2020 13:08:48 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=broadcom.com header.i=@broadcom.com header.b="JAdWOxCi" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751873AbgJ0NIr (ORCPT ); Tue, 27 Oct 2020 09:08:47 -0400 Received: from mail-pf1-f179.google.com ([209.85.210.179]:35308 "EHLO mail-pf1-f179.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751867AbgJ0NIr (ORCPT ); Tue, 27 Oct 2020 09:08:47 -0400 Received: by mail-pf1-f179.google.com with SMTP id b3so893949pfo.2 for ; Tue, 27 Oct 2020 06:08:46 -0700 (PDT) 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; bh=eE+dKrSpU2VCs/pXGBIUWiRGunzz83I8pBk2lofcmQQ=; b=JAdWOxCiPFfzdOo+DUdoCd9fawG7cmPVp0X6pFI9dgVHO7QGhZw8qycrviSJftaUE7 aF1ZV45bbVTDNv+d6jtRP75QPWI1e1sRQnRSEjdvUKK4wV9kgrgzllvzdQ52HcX4PBjc qdwAqUkgIbP1o5OMgc/f6tL2o+G61uiQxEGRc= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=eE+dKrSpU2VCs/pXGBIUWiRGunzz83I8pBk2lofcmQQ=; b=ZNy72lHEqD0ONRzyQFnkLd714C9cQRzOQibOKqupUMQD55D9qtpYKkQcvllNBcSSJB GBA+aAGavbbldMA9ZX3luIJE/aQ1dlpGBV7V1dVwilgrxlZIc7UhdJo+rtjrkgPiFfJW 3mzJDO2heGzJ3pnoiUbdLuYoiDWXl8q/ju6+VW/OKNUZtAhkGvneh5AFVggdIOSNqXOr wOQbVHohsZaW/gDLCO6la5GE2CmJm7bhfajWVv/7MSWeJ3jmwJ/yW+b67JZ8BKFQa0pB ++WrSux8HXGy1Ng3yUVroC79mdJe8GXndbi9MasxyzGUkEBhnkOFSLMfW641DHIjFkbV EeMQ== X-Gm-Message-State: AOAM5335x1PlwXUBwG/XqEG/P9EKKnfyzGw5pqieX8lnkaz+Twj+UGKm e6I9DoyHEniPYupDBsDphwOHtw== X-Google-Smtp-Source: ABdhPJxrovjcMLJURgIWJhjL+DeJGH/pj8eHVrZ8lH6bKOML84/YrpPuc4CgGAEuHZ2x6+8Re1x1Zw== X-Received: by 2002:aa7:8f10:0:b029:161:79ae:eace with SMTP id x16-20020aa78f100000b029016179aeeacemr2113971pfr.45.1603804125609; Tue, 27 Oct 2020 06:08:45 -0700 (PDT) Received: from dhcp-10-123-20-36.dhcp.broadcom.net ([192.19.234.250]) by smtp.gmail.com with ESMTPSA id b24sm2009319pge.59.2020.10.27.06.08.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 27 Oct 2020 06:08:44 -0700 (PDT) From: Sreekanth Reddy To: martin.petersen@oracle.com Cc: linux-scsi@vger.kernel.org, sathya.prakash@broadcom.com, suganath-prabu.subramani@broadcom.com, Sreekanth Reddy Subject: [PATCH v1 09/14] mpt3sas: Set valid PhysicalPort in SMPPassThrough Date: Tue, 27 Oct 2020 18:38:42 +0530 Message-Id: <20201027130847.9962-10-sreekanth.reddy@broadcom.com> X-Mailer: git-send-email 2.18.4 In-Reply-To: <20201027130847.9962-1-sreekanth.reddy@broadcom.com> References: <20201027130847.9962-1-sreekanth.reddy@broadcom.com> Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Current driver is always setting PhysicalPort field as 0xFF for SMPPassthrough Request message. So in zoning topologies this SMPPassthrough command always operates on devices in one zone (default zone) even when user issues SMP command for other zone drives. Now helper functions _transport_get_port_id_by_rphy() & _transport_get_port_id_by_sas_phy() are defined to get Physical Port number from sas_rphy & sas_phy respectively for SMPPassthrough request message so that SMP Passthrough request message is send to intended zone device. Signed-off-by: Sreekanth Reddy --- v1: No change. drivers/scsi/mpt3sas/mpt3sas_base.h | 2 + drivers/scsi/mpt3sas/mpt3sas_scsih.c | 1 + drivers/scsi/mpt3sas/mpt3sas_transport.c | 75 ++++++++++++++++++++++-- 3 files changed, 72 insertions(+), 6 deletions(-) diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.h b/drivers/scsi/mpt3sas/mpt3sas_base.h index 047d234..a8e42d1 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_base.h +++ b/drivers/scsi/mpt3sas/mpt3sas_base.h @@ -788,6 +788,7 @@ struct _sas_phy { * @phy: a list of phys that make up this sas_host/expander * @sas_port_list: list of ports attached to this sas_host/expander * @port: hba port entry containing node's port number info + * @rphy: sas_rphy object of this expander */ struct _sas_node { struct list_head list; @@ -802,6 +803,7 @@ struct _sas_node { struct hba_port *port; struct _sas_phy *phy; struct list_head sas_port_list; + struct sas_rphy *rphy; }; /** diff --git a/drivers/scsi/mpt3sas/mpt3sas_scsih.c b/drivers/scsi/mpt3sas/mpt3sas_scsih.c index 3752314..2b87003 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_scsih.c +++ b/drivers/scsi/mpt3sas/mpt3sas_scsih.c @@ -6510,6 +6510,7 @@ _scsih_expander_add(struct MPT3SAS_ADAPTER *ioc, u16 handle) goto out_fail; } sas_expander->parent_dev = &mpt3sas_port->rphy->dev; + sas_expander->rphy = mpt3sas_port->rphy; for (i = 0 ; i < sas_expander->num_phys ; i++) { if ((mpt3sas_config_get_expander_pg1(ioc, &mpi_reply, diff --git a/drivers/scsi/mpt3sas/mpt3sas_transport.c b/drivers/scsi/mpt3sas/mpt3sas_transport.c index 3cc78c2..d52d8b3 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_transport.c +++ b/drivers/scsi/mpt3sas/mpt3sas_transport.c @@ -60,6 +60,24 @@ #include "mpt3sas_base.h" +/** + * _transport_get_port_id_by_sas_phy - get zone's port id that Phy belong to + * @phy - sas_phy object + * + * Return Port number + */ +static inline u8 +_transport_get_port_id_by_sas_phy(struct sas_phy *phy) +{ + u8 port_id = 0xFF; + struct hba_port *port = phy->hostdata; + + if (port) + port_id = port->port_id; + + return port_id; +} + /** * _transport_sas_node_find_by_sas_address - sas node search * @ioc: per adapter object @@ -81,6 +99,49 @@ _transport_sas_node_find_by_sas_address(struct MPT3SAS_ADAPTER *ioc, sas_address, port); } +/** + * _transport_get_port_id_by_rphy - Get Port number from rphy object + * @ioc: per adapter object + * @rphy: sas_rphy object + * + * Returns Port number. + */ +static u8 +_transport_get_port_id_by_rphy(struct MPT3SAS_ADAPTER *ioc, + struct sas_rphy *rphy) +{ + struct _sas_node *sas_expander; + struct _sas_device *sas_device; + unsigned long flags; + u8 port_id = 0xFF; + + if (!rphy) + return port_id; + + if (rphy->identify.device_type == SAS_EDGE_EXPANDER_DEVICE || + rphy->identify.device_type == SAS_FANOUT_EXPANDER_DEVICE) { + spin_lock_irqsave(&ioc->sas_node_lock, flags); + list_for_each_entry(sas_expander, + &ioc->sas_expander_list, list) { + if (sas_expander->rphy == rphy) { + port_id = sas_expander->port->port_id; + break; + } + } + spin_unlock_irqrestore(&ioc->sas_node_lock, flags); + } else if (rphy->identify.device_type == SAS_END_DEVICE) { + spin_lock_irqsave(&ioc->sas_device_lock, flags); + sas_device = __mpt3sas_get_sdev_by_rphy(ioc, rphy); + if (sas_device) { + port_id = sas_device->port->port_id; + sas_device_put(sas_device); + } + spin_unlock_irqrestore(&ioc->sas_device_lock, flags); + } + + return port_id; +} + /** * _transport_convert_phy_link_rate - * @link_rate: link rate returned from mpt firmware @@ -289,7 +350,7 @@ struct rep_manu_reply { */ static int _transport_expander_report_manufacture(struct MPT3SAS_ADAPTER *ioc, - u64 sas_address, struct sas_expander_device *edev) + u64 sas_address, struct sas_expander_device *edev, u8 port_id) { Mpi2SmpPassthroughRequest_t *mpi_request; Mpi2SmpPassthroughReply_t *mpi_reply; @@ -356,7 +417,7 @@ _transport_expander_report_manufacture(struct MPT3SAS_ADAPTER *ioc, memset(mpi_request, 0, sizeof(Mpi2SmpPassthroughRequest_t)); mpi_request->Function = MPI2_FUNCTION_SMP_PASSTHROUGH; - mpi_request->PhysicalPort = 0xFF; + mpi_request->PhysicalPort = port_id; mpi_request->SASAddress = cpu_to_le64(sas_address); mpi_request->RequestDataLength = cpu_to_le16(data_out_sz); psge = &mpi_request->SGL; @@ -772,7 +833,7 @@ mpt3sas_transport_port_add(struct MPT3SAS_ADAPTER *ioc, u16 handle, MPI2_SAS_DEVICE_INFO_FANOUT_EXPANDER) _transport_expander_report_manufacture(ioc, mpt3sas_port->remote_identify.sas_address, - rphy_to_expander_device(rphy)); + rphy_to_expander_device(rphy), hba_port->port_id); return mpt3sas_port; out_fail: @@ -923,6 +984,7 @@ mpt3sas_transport_add_host_phy(struct MPT3SAS_ADAPTER *ioc, struct _sas_phy phy_pg0.ProgrammedLinkRate & MPI2_SAS_PRATE_MIN_RATE_MASK); phy->maximum_linkrate = _transport_convert_phy_link_rate( phy_pg0.ProgrammedLinkRate >> 4); + phy->hostdata = mpt3sas_phy->port; if ((sas_phy_add(phy))) { ioc_err(ioc, "failure at %s:%d/%s()!\n", @@ -993,6 +1055,7 @@ mpt3sas_transport_add_expander_phy(struct MPT3SAS_ADAPTER *ioc, struct _sas_phy expander_pg1.ProgrammedLinkRate & MPI2_SAS_PRATE_MIN_RATE_MASK); phy->maximum_linkrate = _transport_convert_phy_link_rate( expander_pg1.ProgrammedLinkRate >> 4); + phy->hostdata = mpt3sas_phy->port; if ((sas_phy_add(phy))) { ioc_err(ioc, "failure at %s:%d/%s()!\n", @@ -1197,7 +1260,7 @@ _transport_get_expander_phy_error_log(struct MPT3SAS_ADAPTER *ioc, memset(mpi_request, 0, sizeof(Mpi2SmpPassthroughRequest_t)); mpi_request->Function = MPI2_FUNCTION_SMP_PASSTHROUGH; - mpi_request->PhysicalPort = 0xFF; + mpi_request->PhysicalPort = _transport_get_port_id_by_sas_phy(phy); mpi_request->VF_ID = 0; /* TODO */ mpi_request->VP_ID = 0; mpi_request->SASAddress = cpu_to_le64(phy->identify.sas_address); @@ -1493,7 +1556,7 @@ _transport_expander_phy_control(struct MPT3SAS_ADAPTER *ioc, memset(mpi_request, 0, sizeof(Mpi2SmpPassthroughRequest_t)); mpi_request->Function = MPI2_FUNCTION_SMP_PASSTHROUGH; - mpi_request->PhysicalPort = 0xFF; + mpi_request->PhysicalPort = _transport_get_port_id_by_sas_phy(phy); mpi_request->VF_ID = 0; /* TODO */ mpi_request->VP_ID = 0; mpi_request->SASAddress = cpu_to_le64(phy->identify.sas_address); @@ -1983,7 +2046,7 @@ _transport_smp_handler(struct bsg_job *job, struct Scsi_Host *shost, memset(mpi_request, 0, sizeof(Mpi2SmpPassthroughRequest_t)); mpi_request->Function = MPI2_FUNCTION_SMP_PASSTHROUGH; - mpi_request->PhysicalPort = 0xFF; + mpi_request->PhysicalPort = _transport_get_port_id_by_rphy(ioc, rphy); mpi_request->SASAddress = (rphy) ? cpu_to_le64(rphy->identify.sas_address) : cpu_to_le64(ioc->sas_hba.sas_address);