From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932690AbdJaMdz (ORCPT ); Tue, 31 Oct 2017 08:33:55 -0400 Received: from mail-qt0-f195.google.com ([209.85.216.195]:56345 "EHLO mail-qt0-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932557AbdJaMdw (ORCPT ); Tue, 31 Oct 2017 08:33:52 -0400 X-Google-Smtp-Source: ABhQp+TJ0w05SOdJrfnDpb4zvglmxSGoaaldSSCuuadT2S3f1TJWCggumF5bGIJ+cxZPOIkoEubssQ== From: Suganath Prabu S To: linux-scsi@vger.kernel.org Cc: Sathya.Prakash@broadcom.com, linux-kernel@vger.kernel.org, sreekanth.reddy@broadcom.com, linux-nvme@lists.infradead.org, Suganath Prabu S , Chaitra P B Subject: [PATCH 10/13] mpt3sas: NVMe drive support for BTDHMAPPING ioctl command and log info Date: Tue, 31 Oct 2017 18:02:36 +0530 Message-Id: <1509453159-7028-11-git-send-email-suganath-prabu.subramani@broadcom.com> X-Mailer: git-send-email 2.0.2 In-Reply-To: <1509453159-7028-1-git-send-email-suganath-prabu.subramani@broadcom.com> References: <1509453159-7028-1-git-send-email-suganath-prabu.subramani@broadcom.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Added debug prints for pcie devices in ioctl debug path. Which will be helpful for debugging. * Added PCIe device support for ioctl BTDHMAPPING ioctl. Signed-off-by: Chaitra P B Signed-off-by: Suganath Prabu S --- drivers/scsi/mpt3sas/mpt3sas_ctl.c | 88 +++++++++++++++++++++++++------------- 1 file changed, 58 insertions(+), 30 deletions(-) diff --git a/drivers/scsi/mpt3sas/mpt3sas_ctl.c b/drivers/scsi/mpt3sas/mpt3sas_ctl.c index 205c443..b4c374b 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_ctl.c +++ b/drivers/scsi/mpt3sas/mpt3sas_ctl.c @@ -79,32 +79,6 @@ enum block_state { }; /** - * _ctl_sas_device_find_by_handle - sas device search - * @ioc: per adapter object - * @handle: sas device handle (assigned by firmware) - * Context: Calling function should acquire ioc->sas_device_lock - * - * This searches for sas_device based on sas_address, then return sas_device - * object. - */ -static struct _sas_device * -_ctl_sas_device_find_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle) -{ - struct _sas_device *sas_device, *r; - - r = NULL; - list_for_each_entry(sas_device, &ioc->sas_device_list, list) { - if (sas_device->handle != handle) - continue; - r = sas_device; - goto out; - } - - out: - return r; -} - -/** * _ctl_display_some_debug - debug routine * @ioc: per adapter object * @smid: system request message index @@ -229,10 +203,9 @@ _ctl_display_some_debug(struct MPT3SAS_ADAPTER *ioc, u16 smid, Mpi2SCSIIOReply_t *scsi_reply = (Mpi2SCSIIOReply_t *)mpi_reply; struct _sas_device *sas_device = NULL; - unsigned long flags; + struct _pcie_device *pcie_device = NULL; - spin_lock_irqsave(&ioc->sas_device_lock, flags); - sas_device = _ctl_sas_device_find_by_handle(ioc, + sas_device = mpt3sas_get_sdev_by_handle(ioc, le16_to_cpu(scsi_reply->DevHandle)); if (sas_device) { pr_warn(MPT3SAS_FMT "\tsas_address(0x%016llx), phy(%d)\n", @@ -242,8 +215,25 @@ _ctl_display_some_debug(struct MPT3SAS_ADAPTER *ioc, u16 smid, "\tenclosure_logical_id(0x%016llx), slot(%d)\n", ioc->name, (unsigned long long) sas_device->enclosure_logical_id, sas_device->slot); + sas_device_put(sas_device); + } + if (!sas_device) { + pcie_device = mpt3sas_get_pdev_by_handle(ioc, + le16_to_cpu(scsi_reply->DevHandle)); + if (pcie_device) { + pr_warn(MPT3SAS_FMT + "\tWWID(0x%016llx), port(%d)\n", ioc->name, + (unsigned long long)pcie_device->wwid, + pcie_device->port_num); + if (pcie_device->enclosure_handle != 0) + pr_warn(MPT3SAS_FMT + "\tenclosure_logical_id(0x%016llx), slot(%d)\n", + ioc->name, (unsigned long long) + pcie_device->enclosure_logical_id, + pcie_device->slot); + pcie_device_put(pcie_device); + } } - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); if (scsi_reply->SCSIState || scsi_reply->SCSIStatus) pr_info(MPT3SAS_FMT "\tscsi_state(0x%02x), scsi_status" @@ -1347,6 +1337,42 @@ _ctl_btdh_search_sas_device(struct MPT3SAS_ADAPTER *ioc, } /** + * _ctl_btdh_search_pcie_device - searching for pcie device + * @ioc: per adapter object + * @btdh: btdh ioctl payload + */ +static int +_ctl_btdh_search_pcie_device(struct MPT3SAS_ADAPTER *ioc, + struct mpt3_ioctl_btdh_mapping *btdh) +{ + struct _pcie_device *pcie_device; + unsigned long flags; + int rc = 0; + + if (list_empty(&ioc->pcie_device_list)) + return rc; + + spin_lock_irqsave(&ioc->pcie_device_lock, flags); + list_for_each_entry(pcie_device, &ioc->pcie_device_list, list) { + if (btdh->bus == 0xFFFFFFFF && btdh->id == 0xFFFFFFFF && + btdh->handle == pcie_device->handle) { + btdh->bus = pcie_device->channel; + btdh->id = pcie_device->id; + rc = 1; + goto out; + } else if (btdh->bus == pcie_device->channel && btdh->id == + pcie_device->id && btdh->handle == 0xFFFF) { + btdh->handle = pcie_device->handle; + rc = 1; + goto out; + } + } + out: + spin_unlock_irqrestore(&ioc->pcie_device_lock, flags); + return rc; +} + +/** * _ctl_btdh_search_raid_device - searching for raid device * @ioc: per adapter object * @btdh: btdh ioctl payload @@ -1404,6 +1430,8 @@ _ctl_btdh_mapping(struct MPT3SAS_ADAPTER *ioc, void __user *arg) rc = _ctl_btdh_search_sas_device(ioc, &karg); if (!rc) + rc = _ctl_btdh_search_pcie_device(ioc, &karg); + if (!rc) _ctl_btdh_search_raid_device(ioc, &karg); if (copy_to_user(arg, &karg, sizeof(karg))) { -- 2.5.5