forked from Minki/linux
433d71766c
The Copyright String in all the drivers sources were changed to 2012 Signed-off-by: Sreekanth Reddy <sreekanth.reddy@lsi.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2168 lines
64 KiB
C
2168 lines
64 KiB
C
/*
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* SAS Transport Layer for MPT (Message Passing Technology) based controllers
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*
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* This code is based on drivers/scsi/mpt2sas/mpt2_transport.c
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* Copyright (C) 2007-2012 LSI Corporation
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* (mailto:DL-MPTFusionLinux@lsi.com)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* NO WARRANTY
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* THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
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* CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
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* LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
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* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
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* solely responsible for determining the appropriateness of using and
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* distributing the Program and assumes all risks associated with its
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* exercise of rights under this Agreement, including but not limited to
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* the risks and costs of program errors, damage to or loss of data,
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* programs or equipment, and unavailability or interruption of operations.
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* DISCLAIMER OF LIABILITY
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* NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
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* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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* USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
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* HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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* USA.
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*/
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/errno.h>
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#include <linux/sched.h>
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#include <linux/workqueue.h>
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#include <linux/delay.h>
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#include <linux/pci.h>
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#include <linux/slab.h>
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#include <scsi/scsi.h>
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#include <scsi/scsi_cmnd.h>
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#include <scsi/scsi_device.h>
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#include <scsi/scsi_host.h>
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#include <scsi/scsi_transport_sas.h>
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#include <scsi/scsi_dbg.h>
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#include "mpt2sas_base.h"
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/**
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* _transport_sas_node_find_by_sas_address - sas node search
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* @ioc: per adapter object
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* @sas_address: sas address of expander or sas host
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* Context: Calling function should acquire ioc->sas_node_lock.
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*
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* Search for either hba phys or expander device based on handle, then returns
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* the sas_node object.
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*/
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static struct _sas_node *
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_transport_sas_node_find_by_sas_address(struct MPT2SAS_ADAPTER *ioc,
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u64 sas_address)
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{
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if (ioc->sas_hba.sas_address == sas_address)
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return &ioc->sas_hba;
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else
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return mpt2sas_scsih_expander_find_by_sas_address(ioc,
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sas_address);
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}
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/**
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* _transport_convert_phy_link_rate -
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* @link_rate: link rate returned from mpt firmware
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*
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* Convert link_rate from mpi fusion into sas_transport form.
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*/
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static enum sas_linkrate
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_transport_convert_phy_link_rate(u8 link_rate)
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{
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enum sas_linkrate rc;
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switch (link_rate) {
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case MPI2_SAS_NEG_LINK_RATE_1_5:
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rc = SAS_LINK_RATE_1_5_GBPS;
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break;
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case MPI2_SAS_NEG_LINK_RATE_3_0:
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rc = SAS_LINK_RATE_3_0_GBPS;
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break;
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case MPI2_SAS_NEG_LINK_RATE_6_0:
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rc = SAS_LINK_RATE_6_0_GBPS;
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break;
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case MPI2_SAS_NEG_LINK_RATE_PHY_DISABLED:
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rc = SAS_PHY_DISABLED;
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break;
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case MPI2_SAS_NEG_LINK_RATE_NEGOTIATION_FAILED:
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rc = SAS_LINK_RATE_FAILED;
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break;
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case MPI2_SAS_NEG_LINK_RATE_PORT_SELECTOR:
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rc = SAS_SATA_PORT_SELECTOR;
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break;
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case MPI2_SAS_NEG_LINK_RATE_SMP_RESET_IN_PROGRESS:
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rc = SAS_PHY_RESET_IN_PROGRESS;
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break;
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default:
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case MPI2_SAS_NEG_LINK_RATE_SATA_OOB_COMPLETE:
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case MPI2_SAS_NEG_LINK_RATE_UNKNOWN_LINK_RATE:
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rc = SAS_LINK_RATE_UNKNOWN;
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break;
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}
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return rc;
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}
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/**
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* _transport_set_identify - set identify for phys and end devices
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* @ioc: per adapter object
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* @handle: device handle
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* @identify: sas identify info
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*
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* Populates sas identify info.
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*
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* Returns 0 for success, non-zero for failure.
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*/
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static int
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_transport_set_identify(struct MPT2SAS_ADAPTER *ioc, u16 handle,
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struct sas_identify *identify)
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{
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Mpi2SasDevicePage0_t sas_device_pg0;
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Mpi2ConfigReply_t mpi_reply;
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u32 device_info;
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u32 ioc_status;
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if (ioc->shost_recovery || ioc->pci_error_recovery) {
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printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n",
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__func__, ioc->name);
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return -EFAULT;
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}
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if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
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MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) {
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printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
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ioc->name, __FILE__, __LINE__, __func__);
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return -ENXIO;
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}
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ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
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MPI2_IOCSTATUS_MASK;
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if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
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printk(MPT2SAS_ERR_FMT "handle(0x%04x), ioc_status(0x%04x)"
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"\nfailure at %s:%d/%s()!\n", ioc->name, handle, ioc_status,
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__FILE__, __LINE__, __func__);
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return -EIO;
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}
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memset(identify, 0, sizeof(struct sas_identify));
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device_info = le32_to_cpu(sas_device_pg0.DeviceInfo);
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/* sas_address */
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identify->sas_address = le64_to_cpu(sas_device_pg0.SASAddress);
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/* phy number of the parent device this device is linked to */
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identify->phy_identifier = sas_device_pg0.PhyNum;
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/* device_type */
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switch (device_info & MPI2_SAS_DEVICE_INFO_MASK_DEVICE_TYPE) {
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case MPI2_SAS_DEVICE_INFO_NO_DEVICE:
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identify->device_type = SAS_PHY_UNUSED;
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break;
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case MPI2_SAS_DEVICE_INFO_END_DEVICE:
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identify->device_type = SAS_END_DEVICE;
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break;
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case MPI2_SAS_DEVICE_INFO_EDGE_EXPANDER:
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identify->device_type = SAS_EDGE_EXPANDER_DEVICE;
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break;
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case MPI2_SAS_DEVICE_INFO_FANOUT_EXPANDER:
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identify->device_type = SAS_FANOUT_EXPANDER_DEVICE;
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break;
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}
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/* initiator_port_protocols */
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if (device_info & MPI2_SAS_DEVICE_INFO_SSP_INITIATOR)
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identify->initiator_port_protocols |= SAS_PROTOCOL_SSP;
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if (device_info & MPI2_SAS_DEVICE_INFO_STP_INITIATOR)
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identify->initiator_port_protocols |= SAS_PROTOCOL_STP;
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if (device_info & MPI2_SAS_DEVICE_INFO_SMP_INITIATOR)
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identify->initiator_port_protocols |= SAS_PROTOCOL_SMP;
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if (device_info & MPI2_SAS_DEVICE_INFO_SATA_HOST)
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identify->initiator_port_protocols |= SAS_PROTOCOL_SATA;
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/* target_port_protocols */
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if (device_info & MPI2_SAS_DEVICE_INFO_SSP_TARGET)
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identify->target_port_protocols |= SAS_PROTOCOL_SSP;
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if (device_info & MPI2_SAS_DEVICE_INFO_STP_TARGET)
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identify->target_port_protocols |= SAS_PROTOCOL_STP;
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if (device_info & MPI2_SAS_DEVICE_INFO_SMP_TARGET)
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identify->target_port_protocols |= SAS_PROTOCOL_SMP;
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if (device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE)
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identify->target_port_protocols |= SAS_PROTOCOL_SATA;
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return 0;
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}
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/**
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* mpt2sas_transport_done - internal transport layer callback handler.
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* @ioc: per adapter object
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* @smid: system request message index
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* @msix_index: MSIX table index supplied by the OS
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* @reply: reply message frame(lower 32bit addr)
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*
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* Callback handler when sending internal generated transport cmds.
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* The callback index passed is `ioc->transport_cb_idx`
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*
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* Return 1 meaning mf should be freed from _base_interrupt
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* 0 means the mf is freed from this function.
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*/
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u8
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mpt2sas_transport_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
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u32 reply)
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{
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MPI2DefaultReply_t *mpi_reply;
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mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply);
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if (ioc->transport_cmds.status == MPT2_CMD_NOT_USED)
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return 1;
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if (ioc->transport_cmds.smid != smid)
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return 1;
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ioc->transport_cmds.status |= MPT2_CMD_COMPLETE;
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if (mpi_reply) {
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memcpy(ioc->transport_cmds.reply, mpi_reply,
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mpi_reply->MsgLength*4);
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ioc->transport_cmds.status |= MPT2_CMD_REPLY_VALID;
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}
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ioc->transport_cmds.status &= ~MPT2_CMD_PENDING;
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complete(&ioc->transport_cmds.done);
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return 1;
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}
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/* report manufacture request structure */
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struct rep_manu_request{
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u8 smp_frame_type;
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u8 function;
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u8 reserved;
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u8 request_length;
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};
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/* report manufacture reply structure */
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struct rep_manu_reply{
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u8 smp_frame_type; /* 0x41 */
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u8 function; /* 0x01 */
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u8 function_result;
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u8 response_length;
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u16 expander_change_count;
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u8 reserved0[2];
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u8 sas_format;
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u8 reserved2[3];
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u8 vendor_id[SAS_EXPANDER_VENDOR_ID_LEN];
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u8 product_id[SAS_EXPANDER_PRODUCT_ID_LEN];
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u8 product_rev[SAS_EXPANDER_PRODUCT_REV_LEN];
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u8 component_vendor_id[SAS_EXPANDER_COMPONENT_VENDOR_ID_LEN];
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u16 component_id;
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u8 component_revision_id;
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u8 reserved3;
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u8 vendor_specific[8];
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};
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/**
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* _transport_expander_report_manufacture - obtain SMP report_manufacture
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* @ioc: per adapter object
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* @sas_address: expander sas address
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* @edev: the sas_expander_device object
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*
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* Fills in the sas_expander_device object when SMP port is created.
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*
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* Returns 0 for success, non-zero for failure.
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*/
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static int
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_transport_expander_report_manufacture(struct MPT2SAS_ADAPTER *ioc,
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u64 sas_address, struct sas_expander_device *edev)
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{
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Mpi2SmpPassthroughRequest_t *mpi_request;
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Mpi2SmpPassthroughReply_t *mpi_reply;
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struct rep_manu_reply *manufacture_reply;
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struct rep_manu_request *manufacture_request;
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int rc;
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u16 smid;
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u32 ioc_state;
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unsigned long timeleft;
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void *psge;
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u32 sgl_flags;
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u8 issue_reset = 0;
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void *data_out = NULL;
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dma_addr_t data_out_dma;
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u32 sz;
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u16 wait_state_count;
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if (ioc->shost_recovery || ioc->pci_error_recovery) {
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printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n",
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__func__, ioc->name);
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return -EFAULT;
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}
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mutex_lock(&ioc->transport_cmds.mutex);
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if (ioc->transport_cmds.status != MPT2_CMD_NOT_USED) {
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printk(MPT2SAS_ERR_FMT "%s: transport_cmds in use\n",
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ioc->name, __func__);
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rc = -EAGAIN;
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goto out;
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}
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ioc->transport_cmds.status = MPT2_CMD_PENDING;
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wait_state_count = 0;
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ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
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while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
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if (wait_state_count++ == 10) {
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printk(MPT2SAS_ERR_FMT
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"%s: failed due to ioc not operational\n",
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ioc->name, __func__);
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rc = -EFAULT;
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goto out;
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}
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ssleep(1);
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ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
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printk(MPT2SAS_INFO_FMT "%s: waiting for "
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"operational state(count=%d)\n", ioc->name,
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__func__, wait_state_count);
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}
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if (wait_state_count)
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printk(MPT2SAS_INFO_FMT "%s: ioc is operational\n",
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ioc->name, __func__);
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smid = mpt2sas_base_get_smid(ioc, ioc->transport_cb_idx);
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if (!smid) {
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printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
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ioc->name, __func__);
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rc = -EAGAIN;
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goto out;
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}
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rc = 0;
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mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
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ioc->transport_cmds.smid = smid;
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|
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sz = sizeof(struct rep_manu_request) + sizeof(struct rep_manu_reply);
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data_out = pci_alloc_consistent(ioc->pdev, sz, &data_out_dma);
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|
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if (!data_out) {
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printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__,
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__LINE__, __func__);
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rc = -ENOMEM;
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mpt2sas_base_free_smid(ioc, smid);
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goto out;
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}
|
|
|
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manufacture_request = data_out;
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manufacture_request->smp_frame_type = 0x40;
|
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manufacture_request->function = 1;
|
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manufacture_request->reserved = 0;
|
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manufacture_request->request_length = 0;
|
|
|
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memset(mpi_request, 0, sizeof(Mpi2SmpPassthroughRequest_t));
|
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mpi_request->Function = MPI2_FUNCTION_SMP_PASSTHROUGH;
|
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mpi_request->PhysicalPort = 0xFF;
|
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mpi_request->VF_ID = 0; /* TODO */
|
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mpi_request->VP_ID = 0;
|
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mpi_request->SASAddress = cpu_to_le64(sas_address);
|
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mpi_request->RequestDataLength =
|
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cpu_to_le16(sizeof(struct rep_manu_request));
|
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psge = &mpi_request->SGL;
|
|
|
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/* WRITE sgel first */
|
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sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT |
|
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MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_HOST_TO_IOC);
|
|
sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT;
|
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ioc->base_add_sg_single(psge, sgl_flags |
|
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sizeof(struct rep_manu_request), data_out_dma);
|
|
|
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/* incr sgel */
|
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psge += ioc->sge_size;
|
|
|
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/* READ sgel last */
|
|
sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT |
|
|
MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER |
|
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MPI2_SGE_FLAGS_END_OF_LIST);
|
|
sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT;
|
|
ioc->base_add_sg_single(psge, sgl_flags |
|
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sizeof(struct rep_manu_reply), data_out_dma +
|
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sizeof(struct rep_manu_request));
|
|
|
|
dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT "report_manufacture - "
|
|
"send to sas_addr(0x%016llx)\n", ioc->name,
|
|
(unsigned long long)sas_address));
|
|
init_completion(&ioc->transport_cmds.done);
|
|
mpt2sas_base_put_smid_default(ioc, smid);
|
|
timeleft = wait_for_completion_timeout(&ioc->transport_cmds.done,
|
|
10*HZ);
|
|
|
|
if (!(ioc->transport_cmds.status & MPT2_CMD_COMPLETE)) {
|
|
printk(MPT2SAS_ERR_FMT "%s: timeout\n",
|
|
ioc->name, __func__);
|
|
_debug_dump_mf(mpi_request,
|
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sizeof(Mpi2SmpPassthroughRequest_t)/4);
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if (!(ioc->transport_cmds.status & MPT2_CMD_RESET))
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issue_reset = 1;
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goto issue_host_reset;
|
|
}
|
|
|
|
dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT "report_manufacture - "
|
|
"complete\n", ioc->name));
|
|
|
|
if (ioc->transport_cmds.status & MPT2_CMD_REPLY_VALID) {
|
|
u8 *tmp;
|
|
|
|
mpi_reply = ioc->transport_cmds.reply;
|
|
|
|
dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT
|
|
"report_manufacture - reply data transfer size(%d)\n",
|
|
ioc->name, le16_to_cpu(mpi_reply->ResponseDataLength)));
|
|
|
|
if (le16_to_cpu(mpi_reply->ResponseDataLength) !=
|
|
sizeof(struct rep_manu_reply))
|
|
goto out;
|
|
|
|
manufacture_reply = data_out + sizeof(struct rep_manu_request);
|
|
strncpy(edev->vendor_id, manufacture_reply->vendor_id,
|
|
SAS_EXPANDER_VENDOR_ID_LEN);
|
|
strncpy(edev->product_id, manufacture_reply->product_id,
|
|
SAS_EXPANDER_PRODUCT_ID_LEN);
|
|
strncpy(edev->product_rev, manufacture_reply->product_rev,
|
|
SAS_EXPANDER_PRODUCT_REV_LEN);
|
|
edev->level = manufacture_reply->sas_format & 1;
|
|
if (edev->level) {
|
|
strncpy(edev->component_vendor_id,
|
|
manufacture_reply->component_vendor_id,
|
|
SAS_EXPANDER_COMPONENT_VENDOR_ID_LEN);
|
|
tmp = (u8 *)&manufacture_reply->component_id;
|
|
edev->component_id = tmp[0] << 8 | tmp[1];
|
|
edev->component_revision_id =
|
|
manufacture_reply->component_revision_id;
|
|
}
|
|
} else
|
|
dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT
|
|
"report_manufacture - no reply\n", ioc->name));
|
|
|
|
issue_host_reset:
|
|
if (issue_reset)
|
|
mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
|
|
FORCE_BIG_HAMMER);
|
|
out:
|
|
ioc->transport_cmds.status = MPT2_CMD_NOT_USED;
|
|
if (data_out)
|
|
pci_free_consistent(ioc->pdev, sz, data_out, data_out_dma);
|
|
|
|
mutex_unlock(&ioc->transport_cmds.mutex);
|
|
return rc;
|
|
}
|
|
|
|
/**
|
|
* _transport_delete_port - helper function to removing a port
|
|
* @ioc: per adapter object
|
|
* @mpt2sas_port: mpt2sas per port object
|
|
*
|
|
* Returns nothing.
|
|
*/
|
|
static void
|
|
_transport_delete_port(struct MPT2SAS_ADAPTER *ioc,
|
|
struct _sas_port *mpt2sas_port)
|
|
{
|
|
u64 sas_address = mpt2sas_port->remote_identify.sas_address;
|
|
enum sas_device_type device_type =
|
|
mpt2sas_port->remote_identify.device_type;
|
|
|
|
dev_printk(KERN_INFO, &mpt2sas_port->port->dev,
|
|
"remove: sas_addr(0x%016llx)\n",
|
|
(unsigned long long) sas_address);
|
|
|
|
ioc->logging_level |= MPT_DEBUG_TRANSPORT;
|
|
if (device_type == SAS_END_DEVICE)
|
|
mpt2sas_device_remove_by_sas_address(ioc, sas_address);
|
|
else if (device_type == SAS_EDGE_EXPANDER_DEVICE ||
|
|
device_type == SAS_FANOUT_EXPANDER_DEVICE)
|
|
mpt2sas_expander_remove(ioc, sas_address);
|
|
ioc->logging_level &= ~MPT_DEBUG_TRANSPORT;
|
|
}
|
|
|
|
/**
|
|
* _transport_delete_phy - helper function to removing single phy from port
|
|
* @ioc: per adapter object
|
|
* @mpt2sas_port: mpt2sas per port object
|
|
* @mpt2sas_phy: mpt2sas per phy object
|
|
*
|
|
* Returns nothing.
|
|
*/
|
|
static void
|
|
_transport_delete_phy(struct MPT2SAS_ADAPTER *ioc,
|
|
struct _sas_port *mpt2sas_port, struct _sas_phy *mpt2sas_phy)
|
|
{
|
|
u64 sas_address = mpt2sas_port->remote_identify.sas_address;
|
|
|
|
dev_printk(KERN_INFO, &mpt2sas_phy->phy->dev,
|
|
"remove: sas_addr(0x%016llx), phy(%d)\n",
|
|
(unsigned long long) sas_address, mpt2sas_phy->phy_id);
|
|
|
|
list_del(&mpt2sas_phy->port_siblings);
|
|
mpt2sas_port->num_phys--;
|
|
sas_port_delete_phy(mpt2sas_port->port, mpt2sas_phy->phy);
|
|
mpt2sas_phy->phy_belongs_to_port = 0;
|
|
}
|
|
|
|
/**
|
|
* _transport_add_phy - helper function to adding single phy to port
|
|
* @ioc: per adapter object
|
|
* @mpt2sas_port: mpt2sas per port object
|
|
* @mpt2sas_phy: mpt2sas per phy object
|
|
*
|
|
* Returns nothing.
|
|
*/
|
|
static void
|
|
_transport_add_phy(struct MPT2SAS_ADAPTER *ioc, struct _sas_port *mpt2sas_port,
|
|
struct _sas_phy *mpt2sas_phy)
|
|
{
|
|
u64 sas_address = mpt2sas_port->remote_identify.sas_address;
|
|
|
|
dev_printk(KERN_INFO, &mpt2sas_phy->phy->dev,
|
|
"add: sas_addr(0x%016llx), phy(%d)\n", (unsigned long long)
|
|
sas_address, mpt2sas_phy->phy_id);
|
|
|
|
list_add_tail(&mpt2sas_phy->port_siblings, &mpt2sas_port->phy_list);
|
|
mpt2sas_port->num_phys++;
|
|
sas_port_add_phy(mpt2sas_port->port, mpt2sas_phy->phy);
|
|
mpt2sas_phy->phy_belongs_to_port = 1;
|
|
}
|
|
|
|
/**
|
|
* _transport_add_phy_to_an_existing_port - adding new phy to existing port
|
|
* @ioc: per adapter object
|
|
* @sas_node: sas node object (either expander or sas host)
|
|
* @mpt2sas_phy: mpt2sas per phy object
|
|
* @sas_address: sas address of device/expander were phy needs to be added to
|
|
*
|
|
* Returns nothing.
|
|
*/
|
|
static void
|
|
_transport_add_phy_to_an_existing_port(struct MPT2SAS_ADAPTER *ioc,
|
|
struct _sas_node *sas_node, struct _sas_phy *mpt2sas_phy, u64 sas_address)
|
|
{
|
|
struct _sas_port *mpt2sas_port;
|
|
struct _sas_phy *phy_srch;
|
|
|
|
if (mpt2sas_phy->phy_belongs_to_port == 1)
|
|
return;
|
|
|
|
list_for_each_entry(mpt2sas_port, &sas_node->sas_port_list,
|
|
port_list) {
|
|
if (mpt2sas_port->remote_identify.sas_address !=
|
|
sas_address)
|
|
continue;
|
|
list_for_each_entry(phy_srch, &mpt2sas_port->phy_list,
|
|
port_siblings) {
|
|
if (phy_srch == mpt2sas_phy)
|
|
return;
|
|
}
|
|
_transport_add_phy(ioc, mpt2sas_port, mpt2sas_phy);
|
|
return;
|
|
}
|
|
|
|
}
|
|
|
|
/**
|
|
* _transport_del_phy_from_an_existing_port - delete phy from existing port
|
|
* @ioc: per adapter object
|
|
* @sas_node: sas node object (either expander or sas host)
|
|
* @mpt2sas_phy: mpt2sas per phy object
|
|
*
|
|
* Returns nothing.
|
|
*/
|
|
static void
|
|
_transport_del_phy_from_an_existing_port(struct MPT2SAS_ADAPTER *ioc,
|
|
struct _sas_node *sas_node, struct _sas_phy *mpt2sas_phy)
|
|
{
|
|
struct _sas_port *mpt2sas_port, *next;
|
|
struct _sas_phy *phy_srch;
|
|
|
|
if (mpt2sas_phy->phy_belongs_to_port == 0)
|
|
return;
|
|
|
|
list_for_each_entry_safe(mpt2sas_port, next, &sas_node->sas_port_list,
|
|
port_list) {
|
|
list_for_each_entry(phy_srch, &mpt2sas_port->phy_list,
|
|
port_siblings) {
|
|
if (phy_srch != mpt2sas_phy)
|
|
continue;
|
|
if (mpt2sas_port->num_phys == 1)
|
|
_transport_delete_port(ioc, mpt2sas_port);
|
|
else
|
|
_transport_delete_phy(ioc, mpt2sas_port,
|
|
mpt2sas_phy);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* _transport_sanity_check - sanity check when adding a new port
|
|
* @ioc: per adapter object
|
|
* @sas_node: sas node object (either expander or sas host)
|
|
* @sas_address: sas address of device being added
|
|
*
|
|
* See the explanation above from _transport_delete_duplicate_port
|
|
*/
|
|
static void
|
|
_transport_sanity_check(struct MPT2SAS_ADAPTER *ioc, struct _sas_node *sas_node,
|
|
u64 sas_address)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < sas_node->num_phys; i++) {
|
|
if (sas_node->phy[i].remote_identify.sas_address != sas_address)
|
|
continue;
|
|
if (sas_node->phy[i].phy_belongs_to_port == 1)
|
|
_transport_del_phy_from_an_existing_port(ioc, sas_node,
|
|
&sas_node->phy[i]);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* mpt2sas_transport_port_add - insert port to the list
|
|
* @ioc: per adapter object
|
|
* @handle: handle of attached device
|
|
* @sas_address: sas address of parent expander or sas host
|
|
* Context: This function will acquire ioc->sas_node_lock.
|
|
*
|
|
* Adding new port object to the sas_node->sas_port_list.
|
|
*
|
|
* Returns mpt2sas_port.
|
|
*/
|
|
struct _sas_port *
|
|
mpt2sas_transport_port_add(struct MPT2SAS_ADAPTER *ioc, u16 handle,
|
|
u64 sas_address)
|
|
{
|
|
struct _sas_phy *mpt2sas_phy, *next;
|
|
struct _sas_port *mpt2sas_port;
|
|
unsigned long flags;
|
|
struct _sas_node *sas_node;
|
|
struct sas_rphy *rphy;
|
|
int i;
|
|
struct sas_port *port;
|
|
|
|
mpt2sas_port = kzalloc(sizeof(struct _sas_port),
|
|
GFP_KERNEL);
|
|
if (!mpt2sas_port) {
|
|
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
|
|
ioc->name, __FILE__, __LINE__, __func__);
|
|
return NULL;
|
|
}
|
|
|
|
INIT_LIST_HEAD(&mpt2sas_port->port_list);
|
|
INIT_LIST_HEAD(&mpt2sas_port->phy_list);
|
|
spin_lock_irqsave(&ioc->sas_node_lock, flags);
|
|
sas_node = _transport_sas_node_find_by_sas_address(ioc, sas_address);
|
|
spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
|
|
|
|
if (!sas_node) {
|
|
printk(MPT2SAS_ERR_FMT "%s: Could not find "
|
|
"parent sas_address(0x%016llx)!\n", ioc->name,
|
|
__func__, (unsigned long long)sas_address);
|
|
goto out_fail;
|
|
}
|
|
|
|
if ((_transport_set_identify(ioc, handle,
|
|
&mpt2sas_port->remote_identify))) {
|
|
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
|
|
ioc->name, __FILE__, __LINE__, __func__);
|
|
goto out_fail;
|
|
}
|
|
|
|
if (mpt2sas_port->remote_identify.device_type == SAS_PHY_UNUSED) {
|
|
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
|
|
ioc->name, __FILE__, __LINE__, __func__);
|
|
goto out_fail;
|
|
}
|
|
|
|
_transport_sanity_check(ioc, sas_node,
|
|
mpt2sas_port->remote_identify.sas_address);
|
|
|
|
for (i = 0; i < sas_node->num_phys; i++) {
|
|
if (sas_node->phy[i].remote_identify.sas_address !=
|
|
mpt2sas_port->remote_identify.sas_address)
|
|
continue;
|
|
list_add_tail(&sas_node->phy[i].port_siblings,
|
|
&mpt2sas_port->phy_list);
|
|
mpt2sas_port->num_phys++;
|
|
}
|
|
|
|
if (!mpt2sas_port->num_phys) {
|
|
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
|
|
ioc->name, __FILE__, __LINE__, __func__);
|
|
goto out_fail;
|
|
}
|
|
|
|
port = sas_port_alloc_num(sas_node->parent_dev);
|
|
if ((sas_port_add(port))) {
|
|
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
|
|
ioc->name, __FILE__, __LINE__, __func__);
|
|
goto out_fail;
|
|
}
|
|
|
|
list_for_each_entry(mpt2sas_phy, &mpt2sas_port->phy_list,
|
|
port_siblings) {
|
|
if ((ioc->logging_level & MPT_DEBUG_TRANSPORT))
|
|
dev_printk(KERN_INFO, &port->dev, "add: handle(0x%04x)"
|
|
", sas_addr(0x%016llx), phy(%d)\n", handle,
|
|
(unsigned long long)
|
|
mpt2sas_port->remote_identify.sas_address,
|
|
mpt2sas_phy->phy_id);
|
|
sas_port_add_phy(port, mpt2sas_phy->phy);
|
|
mpt2sas_phy->phy_belongs_to_port = 1;
|
|
}
|
|
|
|
mpt2sas_port->port = port;
|
|
if (mpt2sas_port->remote_identify.device_type == SAS_END_DEVICE)
|
|
rphy = sas_end_device_alloc(port);
|
|
else
|
|
rphy = sas_expander_alloc(port,
|
|
mpt2sas_port->remote_identify.device_type);
|
|
|
|
rphy->identify = mpt2sas_port->remote_identify;
|
|
if ((sas_rphy_add(rphy))) {
|
|
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
|
|
ioc->name, __FILE__, __LINE__, __func__);
|
|
}
|
|
if ((ioc->logging_level & MPT_DEBUG_TRANSPORT))
|
|
dev_printk(KERN_INFO, &rphy->dev, "add: handle(0x%04x), "
|
|
"sas_addr(0x%016llx)\n", handle,
|
|
(unsigned long long)
|
|
mpt2sas_port->remote_identify.sas_address);
|
|
mpt2sas_port->rphy = rphy;
|
|
spin_lock_irqsave(&ioc->sas_node_lock, flags);
|
|
list_add_tail(&mpt2sas_port->port_list, &sas_node->sas_port_list);
|
|
spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
|
|
|
|
/* fill in report manufacture */
|
|
if (mpt2sas_port->remote_identify.device_type ==
|
|
MPI2_SAS_DEVICE_INFO_EDGE_EXPANDER ||
|
|
mpt2sas_port->remote_identify.device_type ==
|
|
MPI2_SAS_DEVICE_INFO_FANOUT_EXPANDER)
|
|
_transport_expander_report_manufacture(ioc,
|
|
mpt2sas_port->remote_identify.sas_address,
|
|
rphy_to_expander_device(rphy));
|
|
|
|
return mpt2sas_port;
|
|
|
|
out_fail:
|
|
list_for_each_entry_safe(mpt2sas_phy, next, &mpt2sas_port->phy_list,
|
|
port_siblings)
|
|
list_del(&mpt2sas_phy->port_siblings);
|
|
kfree(mpt2sas_port);
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* mpt2sas_transport_port_remove - remove port from the list
|
|
* @ioc: per adapter object
|
|
* @sas_address: sas address of attached device
|
|
* @sas_address_parent: sas address of parent expander or sas host
|
|
* Context: This function will acquire ioc->sas_node_lock.
|
|
*
|
|
* Removing object and freeing associated memory from the
|
|
* ioc->sas_port_list.
|
|
*
|
|
* Return nothing.
|
|
*/
|
|
void
|
|
mpt2sas_transport_port_remove(struct MPT2SAS_ADAPTER *ioc, u64 sas_address,
|
|
u64 sas_address_parent)
|
|
{
|
|
int i;
|
|
unsigned long flags;
|
|
struct _sas_port *mpt2sas_port, *next;
|
|
struct _sas_node *sas_node;
|
|
u8 found = 0;
|
|
struct _sas_phy *mpt2sas_phy, *next_phy;
|
|
|
|
spin_lock_irqsave(&ioc->sas_node_lock, flags);
|
|
sas_node = _transport_sas_node_find_by_sas_address(ioc,
|
|
sas_address_parent);
|
|
if (!sas_node) {
|
|
spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
|
|
return;
|
|
}
|
|
list_for_each_entry_safe(mpt2sas_port, next, &sas_node->sas_port_list,
|
|
port_list) {
|
|
if (mpt2sas_port->remote_identify.sas_address != sas_address)
|
|
continue;
|
|
found = 1;
|
|
list_del(&mpt2sas_port->port_list);
|
|
goto out;
|
|
}
|
|
out:
|
|
if (!found) {
|
|
spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
|
|
return;
|
|
}
|
|
|
|
for (i = 0; i < sas_node->num_phys; i++) {
|
|
if (sas_node->phy[i].remote_identify.sas_address == sas_address)
|
|
memset(&sas_node->phy[i].remote_identify, 0 ,
|
|
sizeof(struct sas_identify));
|
|
}
|
|
|
|
spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
|
|
list_for_each_entry_safe(mpt2sas_phy, next_phy,
|
|
&mpt2sas_port->phy_list, port_siblings) {
|
|
if ((ioc->logging_level & MPT_DEBUG_TRANSPORT))
|
|
dev_printk(KERN_INFO, &mpt2sas_port->port->dev,
|
|
"remove: sas_addr(0x%016llx), phy(%d)\n",
|
|
(unsigned long long)
|
|
mpt2sas_port->remote_identify.sas_address,
|
|
mpt2sas_phy->phy_id);
|
|
mpt2sas_phy->phy_belongs_to_port = 0;
|
|
sas_port_delete_phy(mpt2sas_port->port, mpt2sas_phy->phy);
|
|
list_del(&mpt2sas_phy->port_siblings);
|
|
}
|
|
sas_port_delete(mpt2sas_port->port);
|
|
kfree(mpt2sas_port);
|
|
}
|
|
|
|
/**
|
|
* mpt2sas_transport_add_host_phy - report sas_host phy to transport
|
|
* @ioc: per adapter object
|
|
* @mpt2sas_phy: mpt2sas per phy object
|
|
* @phy_pg0: sas phy page 0
|
|
* @parent_dev: parent device class object
|
|
*
|
|
* Returns 0 for success, non-zero for failure.
|
|
*/
|
|
int
|
|
mpt2sas_transport_add_host_phy(struct MPT2SAS_ADAPTER *ioc, struct _sas_phy
|
|
*mpt2sas_phy, Mpi2SasPhyPage0_t phy_pg0, struct device *parent_dev)
|
|
{
|
|
struct sas_phy *phy;
|
|
int phy_index = mpt2sas_phy->phy_id;
|
|
|
|
|
|
INIT_LIST_HEAD(&mpt2sas_phy->port_siblings);
|
|
phy = sas_phy_alloc(parent_dev, phy_index);
|
|
if (!phy) {
|
|
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
|
|
ioc->name, __FILE__, __LINE__, __func__);
|
|
return -1;
|
|
}
|
|
if ((_transport_set_identify(ioc, mpt2sas_phy->handle,
|
|
&mpt2sas_phy->identify))) {
|
|
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
|
|
ioc->name, __FILE__, __LINE__, __func__);
|
|
return -1;
|
|
}
|
|
phy->identify = mpt2sas_phy->identify;
|
|
mpt2sas_phy->attached_handle = le16_to_cpu(phy_pg0.AttachedDevHandle);
|
|
if (mpt2sas_phy->attached_handle)
|
|
_transport_set_identify(ioc, mpt2sas_phy->attached_handle,
|
|
&mpt2sas_phy->remote_identify);
|
|
phy->identify.phy_identifier = mpt2sas_phy->phy_id;
|
|
phy->negotiated_linkrate = _transport_convert_phy_link_rate(
|
|
phy_pg0.NegotiatedLinkRate & MPI2_SAS_NEG_LINK_RATE_MASK_PHYSICAL);
|
|
phy->minimum_linkrate_hw = _transport_convert_phy_link_rate(
|
|
phy_pg0.HwLinkRate & MPI2_SAS_HWRATE_MIN_RATE_MASK);
|
|
phy->maximum_linkrate_hw = _transport_convert_phy_link_rate(
|
|
phy_pg0.HwLinkRate >> 4);
|
|
phy->minimum_linkrate = _transport_convert_phy_link_rate(
|
|
phy_pg0.ProgrammedLinkRate & MPI2_SAS_PRATE_MIN_RATE_MASK);
|
|
phy->maximum_linkrate = _transport_convert_phy_link_rate(
|
|
phy_pg0.ProgrammedLinkRate >> 4);
|
|
|
|
if ((sas_phy_add(phy))) {
|
|
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
|
|
ioc->name, __FILE__, __LINE__, __func__);
|
|
sas_phy_free(phy);
|
|
return -1;
|
|
}
|
|
if ((ioc->logging_level & MPT_DEBUG_TRANSPORT))
|
|
dev_printk(KERN_INFO, &phy->dev,
|
|
"add: handle(0x%04x), sas_addr(0x%016llx)\n"
|
|
"\tattached_handle(0x%04x), sas_addr(0x%016llx)\n",
|
|
mpt2sas_phy->handle, (unsigned long long)
|
|
mpt2sas_phy->identify.sas_address,
|
|
mpt2sas_phy->attached_handle,
|
|
(unsigned long long)
|
|
mpt2sas_phy->remote_identify.sas_address);
|
|
mpt2sas_phy->phy = phy;
|
|
return 0;
|
|
}
|
|
|
|
|
|
/**
|
|
* mpt2sas_transport_add_expander_phy - report expander phy to transport
|
|
* @ioc: per adapter object
|
|
* @mpt2sas_phy: mpt2sas per phy object
|
|
* @expander_pg1: expander page 1
|
|
* @parent_dev: parent device class object
|
|
*
|
|
* Returns 0 for success, non-zero for failure.
|
|
*/
|
|
int
|
|
mpt2sas_transport_add_expander_phy(struct MPT2SAS_ADAPTER *ioc, struct _sas_phy
|
|
*mpt2sas_phy, Mpi2ExpanderPage1_t expander_pg1, struct device *parent_dev)
|
|
{
|
|
struct sas_phy *phy;
|
|
int phy_index = mpt2sas_phy->phy_id;
|
|
|
|
INIT_LIST_HEAD(&mpt2sas_phy->port_siblings);
|
|
phy = sas_phy_alloc(parent_dev, phy_index);
|
|
if (!phy) {
|
|
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
|
|
ioc->name, __FILE__, __LINE__, __func__);
|
|
return -1;
|
|
}
|
|
if ((_transport_set_identify(ioc, mpt2sas_phy->handle,
|
|
&mpt2sas_phy->identify))) {
|
|
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
|
|
ioc->name, __FILE__, __LINE__, __func__);
|
|
return -1;
|
|
}
|
|
phy->identify = mpt2sas_phy->identify;
|
|
mpt2sas_phy->attached_handle =
|
|
le16_to_cpu(expander_pg1.AttachedDevHandle);
|
|
if (mpt2sas_phy->attached_handle)
|
|
_transport_set_identify(ioc, mpt2sas_phy->attached_handle,
|
|
&mpt2sas_phy->remote_identify);
|
|
phy->identify.phy_identifier = mpt2sas_phy->phy_id;
|
|
phy->negotiated_linkrate = _transport_convert_phy_link_rate(
|
|
expander_pg1.NegotiatedLinkRate &
|
|
MPI2_SAS_NEG_LINK_RATE_MASK_PHYSICAL);
|
|
phy->minimum_linkrate_hw = _transport_convert_phy_link_rate(
|
|
expander_pg1.HwLinkRate & MPI2_SAS_HWRATE_MIN_RATE_MASK);
|
|
phy->maximum_linkrate_hw = _transport_convert_phy_link_rate(
|
|
expander_pg1.HwLinkRate >> 4);
|
|
phy->minimum_linkrate = _transport_convert_phy_link_rate(
|
|
expander_pg1.ProgrammedLinkRate & MPI2_SAS_PRATE_MIN_RATE_MASK);
|
|
phy->maximum_linkrate = _transport_convert_phy_link_rate(
|
|
expander_pg1.ProgrammedLinkRate >> 4);
|
|
|
|
if ((sas_phy_add(phy))) {
|
|
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
|
|
ioc->name, __FILE__, __LINE__, __func__);
|
|
sas_phy_free(phy);
|
|
return -1;
|
|
}
|
|
if ((ioc->logging_level & MPT_DEBUG_TRANSPORT))
|
|
dev_printk(KERN_INFO, &phy->dev,
|
|
"add: handle(0x%04x), sas_addr(0x%016llx)\n"
|
|
"\tattached_handle(0x%04x), sas_addr(0x%016llx)\n",
|
|
mpt2sas_phy->handle, (unsigned long long)
|
|
mpt2sas_phy->identify.sas_address,
|
|
mpt2sas_phy->attached_handle,
|
|
(unsigned long long)
|
|
mpt2sas_phy->remote_identify.sas_address);
|
|
mpt2sas_phy->phy = phy;
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* mpt2sas_transport_update_links - refreshing phy link changes
|
|
* @ioc: per adapter object
|
|
* @sas_address: sas address of parent expander or sas host
|
|
* @handle: attached device handle
|
|
* @phy_numberv: phy number
|
|
* @link_rate: new link rate
|
|
*
|
|
* Returns nothing.
|
|
*/
|
|
void
|
|
mpt2sas_transport_update_links(struct MPT2SAS_ADAPTER *ioc,
|
|
u64 sas_address, u16 handle, u8 phy_number, u8 link_rate)
|
|
{
|
|
unsigned long flags;
|
|
struct _sas_node *sas_node;
|
|
struct _sas_phy *mpt2sas_phy;
|
|
|
|
if (ioc->shost_recovery || ioc->pci_error_recovery)
|
|
return;
|
|
|
|
spin_lock_irqsave(&ioc->sas_node_lock, flags);
|
|
sas_node = _transport_sas_node_find_by_sas_address(ioc, sas_address);
|
|
if (!sas_node) {
|
|
spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
|
|
return;
|
|
}
|
|
|
|
mpt2sas_phy = &sas_node->phy[phy_number];
|
|
mpt2sas_phy->attached_handle = handle;
|
|
spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
|
|
if (handle && (link_rate >= MPI2_SAS_NEG_LINK_RATE_1_5)) {
|
|
_transport_set_identify(ioc, handle,
|
|
&mpt2sas_phy->remote_identify);
|
|
_transport_add_phy_to_an_existing_port(ioc, sas_node,
|
|
mpt2sas_phy, mpt2sas_phy->remote_identify.sas_address);
|
|
} else
|
|
memset(&mpt2sas_phy->remote_identify, 0 , sizeof(struct
|
|
sas_identify));
|
|
|
|
if (mpt2sas_phy->phy)
|
|
mpt2sas_phy->phy->negotiated_linkrate =
|
|
_transport_convert_phy_link_rate(link_rate);
|
|
|
|
if ((ioc->logging_level & MPT_DEBUG_TRANSPORT))
|
|
dev_printk(KERN_INFO, &mpt2sas_phy->phy->dev,
|
|
"refresh: parent sas_addr(0x%016llx),\n"
|
|
"\tlink_rate(0x%02x), phy(%d)\n"
|
|
"\tattached_handle(0x%04x), sas_addr(0x%016llx)\n",
|
|
(unsigned long long)sas_address,
|
|
link_rate, phy_number, handle, (unsigned long long)
|
|
mpt2sas_phy->remote_identify.sas_address);
|
|
}
|
|
|
|
static inline void *
|
|
phy_to_ioc(struct sas_phy *phy)
|
|
{
|
|
struct Scsi_Host *shost = dev_to_shost(phy->dev.parent);
|
|
return shost_priv(shost);
|
|
}
|
|
|
|
static inline void *
|
|
rphy_to_ioc(struct sas_rphy *rphy)
|
|
{
|
|
struct Scsi_Host *shost = dev_to_shost(rphy->dev.parent->parent);
|
|
return shost_priv(shost);
|
|
}
|
|
|
|
|
|
/* report phy error log structure */
|
|
struct phy_error_log_request{
|
|
u8 smp_frame_type; /* 0x40 */
|
|
u8 function; /* 0x11 */
|
|
u8 allocated_response_length;
|
|
u8 request_length; /* 02 */
|
|
u8 reserved_1[5];
|
|
u8 phy_identifier;
|
|
u8 reserved_2[2];
|
|
};
|
|
|
|
/* report phy error log reply structure */
|
|
struct phy_error_log_reply{
|
|
u8 smp_frame_type; /* 0x41 */
|
|
u8 function; /* 0x11 */
|
|
u8 function_result;
|
|
u8 response_length;
|
|
__be16 expander_change_count;
|
|
u8 reserved_1[3];
|
|
u8 phy_identifier;
|
|
u8 reserved_2[2];
|
|
__be32 invalid_dword;
|
|
__be32 running_disparity_error;
|
|
__be32 loss_of_dword_sync;
|
|
__be32 phy_reset_problem;
|
|
};
|
|
|
|
/**
|
|
* _transport_get_expander_phy_error_log - return expander counters
|
|
* @ioc: per adapter object
|
|
* @phy: The sas phy object
|
|
*
|
|
* Returns 0 for success, non-zero for failure.
|
|
*
|
|
*/
|
|
static int
|
|
_transport_get_expander_phy_error_log(struct MPT2SAS_ADAPTER *ioc,
|
|
struct sas_phy *phy)
|
|
{
|
|
Mpi2SmpPassthroughRequest_t *mpi_request;
|
|
Mpi2SmpPassthroughReply_t *mpi_reply;
|
|
struct phy_error_log_request *phy_error_log_request;
|
|
struct phy_error_log_reply *phy_error_log_reply;
|
|
int rc;
|
|
u16 smid;
|
|
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;
|
|
u32 sz;
|
|
u16 wait_state_count;
|
|
|
|
if (ioc->shost_recovery || ioc->pci_error_recovery) {
|
|
printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n",
|
|
__func__, ioc->name);
|
|
return -EFAULT;
|
|
}
|
|
|
|
mutex_lock(&ioc->transport_cmds.mutex);
|
|
|
|
if (ioc->transport_cmds.status != MPT2_CMD_NOT_USED) {
|
|
printk(MPT2SAS_ERR_FMT "%s: transport_cmds in use\n",
|
|
ioc->name, __func__);
|
|
rc = -EAGAIN;
|
|
goto out;
|
|
}
|
|
ioc->transport_cmds.status = MPT2_CMD_PENDING;
|
|
|
|
wait_state_count = 0;
|
|
ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
|
|
while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
|
|
if (wait_state_count++ == 10) {
|
|
printk(MPT2SAS_ERR_FMT
|
|
"%s: failed due to ioc not operational\n",
|
|
ioc->name, __func__);
|
|
rc = -EFAULT;
|
|
goto out;
|
|
}
|
|
ssleep(1);
|
|
ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
|
|
printk(MPT2SAS_INFO_FMT "%s: waiting for "
|
|
"operational state(count=%d)\n", ioc->name,
|
|
__func__, wait_state_count);
|
|
}
|
|
if (wait_state_count)
|
|
printk(MPT2SAS_INFO_FMT "%s: ioc is operational\n",
|
|
ioc->name, __func__);
|
|
|
|
smid = mpt2sas_base_get_smid(ioc, ioc->transport_cb_idx);
|
|
if (!smid) {
|
|
printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
|
|
ioc->name, __func__);
|
|
rc = -EAGAIN;
|
|
goto out;
|
|
}
|
|
|
|
mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
|
|
ioc->transport_cmds.smid = smid;
|
|
|
|
sz = sizeof(struct phy_error_log_request) +
|
|
sizeof(struct phy_error_log_reply);
|
|
data_out = pci_alloc_consistent(ioc->pdev, sz, &data_out_dma);
|
|
if (!data_out) {
|
|
printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__,
|
|
__LINE__, __func__);
|
|
rc = -ENOMEM;
|
|
mpt2sas_base_free_smid(ioc, smid);
|
|
goto out;
|
|
}
|
|
|
|
rc = -EINVAL;
|
|
memset(data_out, 0, sz);
|
|
phy_error_log_request = data_out;
|
|
phy_error_log_request->smp_frame_type = 0x40;
|
|
phy_error_log_request->function = 0x11;
|
|
phy_error_log_request->request_length = 2;
|
|
phy_error_log_request->allocated_response_length = 0;
|
|
phy_error_log_request->phy_identifier = phy->number;
|
|
|
|
memset(mpi_request, 0, sizeof(Mpi2SmpPassthroughRequest_t));
|
|
mpi_request->Function = MPI2_FUNCTION_SMP_PASSTHROUGH;
|
|
mpi_request->PhysicalPort = 0xFF;
|
|
mpi_request->VF_ID = 0; /* TODO */
|
|
mpi_request->VP_ID = 0;
|
|
mpi_request->SASAddress = cpu_to_le64(phy->identify.sas_address);
|
|
mpi_request->RequestDataLength =
|
|
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_error_log_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_error_log_reply), data_out_dma +
|
|
sizeof(struct phy_error_log_request));
|
|
|
|
dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT "phy_error_log - "
|
|
"send to sas_addr(0x%016llx), phy(%d)\n", ioc->name,
|
|
(unsigned long long)phy->identify.sas_address, phy->number));
|
|
init_completion(&ioc->transport_cmds.done);
|
|
mpt2sas_base_put_smid_default(ioc, smid);
|
|
timeleft = wait_for_completion_timeout(&ioc->transport_cmds.done,
|
|
10*HZ);
|
|
|
|
if (!(ioc->transport_cmds.status & MPT2_CMD_COMPLETE)) {
|
|
printk(MPT2SAS_ERR_FMT "%s: timeout\n",
|
|
ioc->name, __func__);
|
|
_debug_dump_mf(mpi_request,
|
|
sizeof(Mpi2SmpPassthroughRequest_t)/4);
|
|
if (!(ioc->transport_cmds.status & MPT2_CMD_RESET))
|
|
issue_reset = 1;
|
|
goto issue_host_reset;
|
|
}
|
|
|
|
dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT "phy_error_log - "
|
|
"complete\n", ioc->name));
|
|
|
|
if (ioc->transport_cmds.status & MPT2_CMD_REPLY_VALID) {
|
|
|
|
mpi_reply = ioc->transport_cmds.reply;
|
|
|
|
dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT
|
|
"phy_error_log - reply data transfer size(%d)\n",
|
|
ioc->name, le16_to_cpu(mpi_reply->ResponseDataLength)));
|
|
|
|
if (le16_to_cpu(mpi_reply->ResponseDataLength) !=
|
|
sizeof(struct phy_error_log_reply))
|
|
goto out;
|
|
|
|
phy_error_log_reply = data_out +
|
|
sizeof(struct phy_error_log_request);
|
|
|
|
dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT
|
|
"phy_error_log - function_result(%d)\n",
|
|
ioc->name, phy_error_log_reply->function_result));
|
|
|
|
phy->invalid_dword_count =
|
|
be32_to_cpu(phy_error_log_reply->invalid_dword);
|
|
phy->running_disparity_error_count =
|
|
be32_to_cpu(phy_error_log_reply->running_disparity_error);
|
|
phy->loss_of_dword_sync_count =
|
|
be32_to_cpu(phy_error_log_reply->loss_of_dword_sync);
|
|
phy->phy_reset_problem_count =
|
|
be32_to_cpu(phy_error_log_reply->phy_reset_problem);
|
|
rc = 0;
|
|
} else
|
|
dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT
|
|
"phy_error_log - no reply\n", ioc->name));
|
|
|
|
issue_host_reset:
|
|
if (issue_reset)
|
|
mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
|
|
FORCE_BIG_HAMMER);
|
|
out:
|
|
ioc->transport_cmds.status = MPT2_CMD_NOT_USED;
|
|
if (data_out)
|
|
pci_free_consistent(ioc->pdev, sz, data_out, data_out_dma);
|
|
|
|
mutex_unlock(&ioc->transport_cmds.mutex);
|
|
return rc;
|
|
}
|
|
|
|
/**
|
|
* _transport_get_linkerrors - return phy counters for both hba and expanders
|
|
* @phy: The sas phy object
|
|
*
|
|
* Returns 0 for success, non-zero for failure.
|
|
*
|
|
*/
|
|
static int
|
|
_transport_get_linkerrors(struct sas_phy *phy)
|
|
{
|
|
struct MPT2SAS_ADAPTER *ioc = phy_to_ioc(phy);
|
|
unsigned long flags;
|
|
Mpi2ConfigReply_t mpi_reply;
|
|
Mpi2SasPhyPage1_t phy_pg1;
|
|
|
|
spin_lock_irqsave(&ioc->sas_node_lock, flags);
|
|
if (_transport_sas_node_find_by_sas_address(ioc,
|
|
phy->identify.sas_address) == NULL) {
|
|
spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
|
|
return -EINVAL;
|
|
}
|
|
spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
|
|
|
|
if (phy->identify.sas_address != ioc->sas_hba.sas_address)
|
|
return _transport_get_expander_phy_error_log(ioc, phy);
|
|
|
|
/* get hba phy error logs */
|
|
if ((mpt2sas_config_get_phy_pg1(ioc, &mpi_reply, &phy_pg1,
|
|
phy->number))) {
|
|
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
|
|
ioc->name, __FILE__, __LINE__, __func__);
|
|
return -ENXIO;
|
|
}
|
|
|
|
if (mpi_reply.IOCStatus || mpi_reply.IOCLogInfo)
|
|
printk(MPT2SAS_INFO_FMT "phy(%d), ioc_status"
|
|
"(0x%04x), loginfo(0x%08x)\n", ioc->name,
|
|
phy->number, le16_to_cpu(mpi_reply.IOCStatus),
|
|
le32_to_cpu(mpi_reply.IOCLogInfo));
|
|
|
|
phy->invalid_dword_count = le32_to_cpu(phy_pg1.InvalidDwordCount);
|
|
phy->running_disparity_error_count =
|
|
le32_to_cpu(phy_pg1.RunningDisparityErrorCount);
|
|
phy->loss_of_dword_sync_count =
|
|
le32_to_cpu(phy_pg1.LossDwordSynchCount);
|
|
phy->phy_reset_problem_count =
|
|
le32_to_cpu(phy_pg1.PhyResetProblemCount);
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* _transport_get_enclosure_identifier -
|
|
* @phy: The sas phy object
|
|
*
|
|
* Obtain the enclosure logical id for an expander.
|
|
* Returns 0 for success, non-zero for failure.
|
|
*/
|
|
static int
|
|
_transport_get_enclosure_identifier(struct sas_rphy *rphy, u64 *identifier)
|
|
{
|
|
struct MPT2SAS_ADAPTER *ioc = rphy_to_ioc(rphy);
|
|
struct _sas_device *sas_device;
|
|
unsigned long flags;
|
|
int rc;
|
|
|
|
spin_lock_irqsave(&ioc->sas_device_lock, flags);
|
|
sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
|
|
rphy->identify.sas_address);
|
|
if (sas_device) {
|
|
*identifier = sas_device->enclosure_logical_id;
|
|
rc = 0;
|
|
} else {
|
|
*identifier = 0;
|
|
rc = -ENXIO;
|
|
}
|
|
spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
|
|
return rc;
|
|
}
|
|
|
|
/**
|
|
* _transport_get_bay_identifier -
|
|
* @phy: The sas phy object
|
|
*
|
|
* Returns the slot id for a device that resides inside an enclosure.
|
|
*/
|
|
static int
|
|
_transport_get_bay_identifier(struct sas_rphy *rphy)
|
|
{
|
|
struct MPT2SAS_ADAPTER *ioc = rphy_to_ioc(rphy);
|
|
struct _sas_device *sas_device;
|
|
unsigned long flags;
|
|
int rc;
|
|
|
|
spin_lock_irqsave(&ioc->sas_device_lock, flags);
|
|
sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
|
|
rphy->identify.sas_address);
|
|
if (sas_device)
|
|
rc = sas_device->slot;
|
|
else
|
|
rc = -ENXIO;
|
|
spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
|
|
return rc;
|
|
}
|
|
|
|
/* phy control request structure */
|
|
struct phy_control_request{
|
|
u8 smp_frame_type; /* 0x40 */
|
|
u8 function; /* 0x91 */
|
|
u8 allocated_response_length;
|
|
u8 request_length; /* 0x09 */
|
|
u16 expander_change_count;
|
|
u8 reserved_1[3];
|
|
u8 phy_identifier;
|
|
u8 phy_operation;
|
|
u8 reserved_2[13];
|
|
u64 attached_device_name;
|
|
u8 programmed_min_physical_link_rate;
|
|
u8 programmed_max_physical_link_rate;
|
|
u8 reserved_3[6];
|
|
};
|
|
|
|
/* phy control reply structure */
|
|
struct phy_control_reply{
|
|
u8 smp_frame_type; /* 0x41 */
|
|
u8 function; /* 0x11 */
|
|
u8 function_result;
|
|
u8 response_length;
|
|
};
|
|
|
|
#define SMP_PHY_CONTROL_LINK_RESET (0x01)
|
|
#define SMP_PHY_CONTROL_HARD_RESET (0x02)
|
|
#define SMP_PHY_CONTROL_DISABLE (0x03)
|
|
|
|
/**
|
|
* _transport_expander_phy_control - expander phy control
|
|
* @ioc: per adapter object
|
|
* @phy: The sas phy object
|
|
*
|
|
* Returns 0 for success, non-zero for failure.
|
|
*
|
|
*/
|
|
static int
|
|
_transport_expander_phy_control(struct MPT2SAS_ADAPTER *ioc,
|
|
struct sas_phy *phy, u8 phy_operation)
|
|
{
|
|
Mpi2SmpPassthroughRequest_t *mpi_request;
|
|
Mpi2SmpPassthroughReply_t *mpi_reply;
|
|
struct phy_control_request *phy_control_request;
|
|
struct phy_control_reply *phy_control_reply;
|
|
int rc;
|
|
u16 smid;
|
|
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;
|
|
u32 sz;
|
|
u16 wait_state_count;
|
|
|
|
if (ioc->shost_recovery) {
|
|
printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n",
|
|
__func__, ioc->name);
|
|
return -EFAULT;
|
|
}
|
|
|
|
mutex_lock(&ioc->transport_cmds.mutex);
|
|
|
|
if (ioc->transport_cmds.status != MPT2_CMD_NOT_USED) {
|
|
printk(MPT2SAS_ERR_FMT "%s: transport_cmds in use\n",
|
|
ioc->name, __func__);
|
|
rc = -EAGAIN;
|
|
goto out;
|
|
}
|
|
ioc->transport_cmds.status = MPT2_CMD_PENDING;
|
|
|
|
wait_state_count = 0;
|
|
ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
|
|
while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
|
|
if (wait_state_count++ == 10) {
|
|
printk(MPT2SAS_ERR_FMT
|
|
"%s: failed due to ioc not operational\n",
|
|
ioc->name, __func__);
|
|
rc = -EFAULT;
|
|
goto out;
|
|
}
|
|
ssleep(1);
|
|
ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
|
|
printk(MPT2SAS_INFO_FMT "%s: waiting for "
|
|
"operational state(count=%d)\n", ioc->name,
|
|
__func__, wait_state_count);
|
|
}
|
|
if (wait_state_count)
|
|
printk(MPT2SAS_INFO_FMT "%s: ioc is operational\n",
|
|
ioc->name, __func__);
|
|
|
|
smid = mpt2sas_base_get_smid(ioc, ioc->transport_cb_idx);
|
|
if (!smid) {
|
|
printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
|
|
ioc->name, __func__);
|
|
rc = -EAGAIN;
|
|
goto out;
|
|
}
|
|
|
|
mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
|
|
ioc->transport_cmds.smid = smid;
|
|
|
|
sz = sizeof(struct phy_control_request) +
|
|
sizeof(struct phy_control_reply);
|
|
data_out = pci_alloc_consistent(ioc->pdev, sz, &data_out_dma);
|
|
if (!data_out) {
|
|
printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__,
|
|
__LINE__, __func__);
|
|
rc = -ENOMEM;
|
|
mpt2sas_base_free_smid(ioc, smid);
|
|
goto out;
|
|
}
|
|
|
|
rc = -EINVAL;
|
|
memset(data_out, 0, sz);
|
|
phy_control_request = data_out;
|
|
phy_control_request->smp_frame_type = 0x40;
|
|
phy_control_request->function = 0x91;
|
|
phy_control_request->request_length = 9;
|
|
phy_control_request->allocated_response_length = 0;
|
|
phy_control_request->phy_identifier = phy->number;
|
|
phy_control_request->phy_operation = phy_operation;
|
|
phy_control_request->programmed_min_physical_link_rate =
|
|
phy->minimum_linkrate << 4;
|
|
phy_control_request->programmed_max_physical_link_rate =
|
|
phy->maximum_linkrate << 4;
|
|
|
|
memset(mpi_request, 0, sizeof(Mpi2SmpPassthroughRequest_t));
|
|
mpi_request->Function = MPI2_FUNCTION_SMP_PASSTHROUGH;
|
|
mpi_request->PhysicalPort = 0xFF;
|
|
mpi_request->VF_ID = 0; /* TODO */
|
|
mpi_request->VP_ID = 0;
|
|
mpi_request->SASAddress = cpu_to_le64(phy->identify.sas_address);
|
|
mpi_request->RequestDataLength =
|
|
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));
|
|
|
|
dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT "phy_control - "
|
|
"send to sas_addr(0x%016llx), phy(%d), opcode(%d)\n", ioc->name,
|
|
(unsigned long long)phy->identify.sas_address, phy->number,
|
|
phy_operation));
|
|
|
|
init_completion(&ioc->transport_cmds.done);
|
|
mpt2sas_base_put_smid_default(ioc, smid);
|
|
timeleft = wait_for_completion_timeout(&ioc->transport_cmds.done,
|
|
10*HZ);
|
|
|
|
if (!(ioc->transport_cmds.status & MPT2_CMD_COMPLETE)) {
|
|
printk(MPT2SAS_ERR_FMT "%s: timeout\n",
|
|
ioc->name, __func__);
|
|
_debug_dump_mf(mpi_request,
|
|
sizeof(Mpi2SmpPassthroughRequest_t)/4);
|
|
if (!(ioc->transport_cmds.status & MPT2_CMD_RESET))
|
|
issue_reset = 1;
|
|
goto issue_host_reset;
|
|
}
|
|
|
|
dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT "phy_control - "
|
|
"complete\n", ioc->name));
|
|
|
|
if (ioc->transport_cmds.status & MPT2_CMD_REPLY_VALID) {
|
|
|
|
mpi_reply = ioc->transport_cmds.reply;
|
|
|
|
dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT
|
|
"phy_control - reply data transfer size(%d)\n",
|
|
ioc->name, le16_to_cpu(mpi_reply->ResponseDataLength)));
|
|
|
|
if (le16_to_cpu(mpi_reply->ResponseDataLength) !=
|
|
sizeof(struct phy_control_reply))
|
|
goto out;
|
|
|
|
phy_control_reply = data_out +
|
|
sizeof(struct phy_control_request);
|
|
|
|
dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT
|
|
"phy_control - function_result(%d)\n",
|
|
ioc->name, phy_control_reply->function_result));
|
|
|
|
rc = 0;
|
|
} else
|
|
dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT
|
|
"phy_control - no reply\n", ioc->name));
|
|
|
|
issue_host_reset:
|
|
if (issue_reset)
|
|
mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
|
|
FORCE_BIG_HAMMER);
|
|
out:
|
|
ioc->transport_cmds.status = MPT2_CMD_NOT_USED;
|
|
if (data_out)
|
|
pci_free_consistent(ioc->pdev, sz, data_out, data_out_dma);
|
|
|
|
mutex_unlock(&ioc->transport_cmds.mutex);
|
|
return rc;
|
|
}
|
|
|
|
/**
|
|
* _transport_phy_reset -
|
|
* @phy: The sas phy object
|
|
* @hard_reset:
|
|
*
|
|
* Returns 0 for success, non-zero for failure.
|
|
*/
|
|
static int
|
|
_transport_phy_reset(struct sas_phy *phy, int hard_reset)
|
|
{
|
|
struct MPT2SAS_ADAPTER *ioc = phy_to_ioc(phy);
|
|
Mpi2SasIoUnitControlReply_t mpi_reply;
|
|
Mpi2SasIoUnitControlRequest_t mpi_request;
|
|
unsigned long flags;
|
|
|
|
spin_lock_irqsave(&ioc->sas_node_lock, flags);
|
|
if (_transport_sas_node_find_by_sas_address(ioc,
|
|
phy->identify.sas_address) == NULL) {
|
|
spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
|
|
return -EINVAL;
|
|
}
|
|
spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
|
|
|
|
/* handle expander phys */
|
|
if (phy->identify.sas_address != ioc->sas_hba.sas_address)
|
|
return _transport_expander_phy_control(ioc, phy,
|
|
(hard_reset == 1) ? SMP_PHY_CONTROL_HARD_RESET :
|
|
SMP_PHY_CONTROL_LINK_RESET);
|
|
|
|
/* handle hba phys */
|
|
memset(&mpi_request, 0, sizeof(Mpi2SasIoUnitControlReply_t));
|
|
mpi_request.Function = MPI2_FUNCTION_SAS_IO_UNIT_CONTROL;
|
|
mpi_request.Operation = hard_reset ?
|
|
MPI2_SAS_OP_PHY_HARD_RESET : MPI2_SAS_OP_PHY_LINK_RESET;
|
|
mpi_request.PhyNum = phy->number;
|
|
|
|
if ((mpt2sas_base_sas_iounit_control(ioc, &mpi_reply, &mpi_request))) {
|
|
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
|
|
ioc->name, __FILE__, __LINE__, __func__);
|
|
return -ENXIO;
|
|
}
|
|
|
|
if (mpi_reply.IOCStatus || mpi_reply.IOCLogInfo)
|
|
printk(MPT2SAS_INFO_FMT "phy(%d), ioc_status"
|
|
"(0x%04x), loginfo(0x%08x)\n", ioc->name,
|
|
phy->number, le16_to_cpu(mpi_reply.IOCStatus),
|
|
le32_to_cpu(mpi_reply.IOCLogInfo));
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* _transport_phy_enable - enable/disable phys
|
|
* @phy: The sas phy object
|
|
* @enable: enable phy when true
|
|
*
|
|
* Only support sas_host direct attached phys.
|
|
* Returns 0 for success, non-zero for failure.
|
|
*/
|
|
static int
|
|
_transport_phy_enable(struct sas_phy *phy, int enable)
|
|
{
|
|
struct MPT2SAS_ADAPTER *ioc = phy_to_ioc(phy);
|
|
Mpi2SasIOUnitPage1_t *sas_iounit_pg1 = NULL;
|
|
Mpi2SasIOUnitPage0_t *sas_iounit_pg0 = NULL;
|
|
Mpi2ConfigReply_t mpi_reply;
|
|
u16 ioc_status;
|
|
u16 sz;
|
|
int rc = 0;
|
|
unsigned long flags;
|
|
int i, discovery_active;
|
|
|
|
spin_lock_irqsave(&ioc->sas_node_lock, flags);
|
|
if (_transport_sas_node_find_by_sas_address(ioc,
|
|
phy->identify.sas_address) == NULL) {
|
|
spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
|
|
return -EINVAL;
|
|
}
|
|
spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
|
|
|
|
/* handle expander phys */
|
|
if (phy->identify.sas_address != ioc->sas_hba.sas_address)
|
|
return _transport_expander_phy_control(ioc, phy,
|
|
(enable == 1) ? SMP_PHY_CONTROL_LINK_RESET :
|
|
SMP_PHY_CONTROL_DISABLE);
|
|
|
|
/* handle hba phys */
|
|
|
|
/* read sas_iounit page 0 */
|
|
sz = offsetof(Mpi2SasIOUnitPage0_t, PhyData) + (ioc->sas_hba.num_phys *
|
|
sizeof(Mpi2SasIOUnit0PhyData_t));
|
|
sas_iounit_pg0 = kzalloc(sz, GFP_KERNEL);
|
|
if (!sas_iounit_pg0) {
|
|
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
|
|
ioc->name, __FILE__, __LINE__, __func__);
|
|
rc = -ENOMEM;
|
|
goto out;
|
|
}
|
|
if ((mpt2sas_config_get_sas_iounit_pg0(ioc, &mpi_reply,
|
|
sas_iounit_pg0, sz))) {
|
|
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
|
|
ioc->name, __FILE__, __LINE__, __func__);
|
|
rc = -ENXIO;
|
|
goto out;
|
|
}
|
|
ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
|
|
MPI2_IOCSTATUS_MASK;
|
|
if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
|
|
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
|
|
ioc->name, __FILE__, __LINE__, __func__);
|
|
rc = -EIO;
|
|
goto out;
|
|
}
|
|
|
|
/* unable to enable/disable phys when when discovery is active */
|
|
for (i = 0, discovery_active = 0; i < ioc->sas_hba.num_phys ; i++) {
|
|
if (sas_iounit_pg0->PhyData[i].PortFlags &
|
|
MPI2_SASIOUNIT0_PORTFLAGS_DISCOVERY_IN_PROGRESS) {
|
|
printk(MPT2SAS_ERR_FMT "discovery is active on "
|
|
"port = %d, phy = %d: unable to enable/disable "
|
|
"phys, try again later!\n", ioc->name,
|
|
sas_iounit_pg0->PhyData[i].Port, i);
|
|
discovery_active = 1;
|
|
}
|
|
}
|
|
|
|
if (discovery_active) {
|
|
rc = -EAGAIN;
|
|
goto out;
|
|
}
|
|
|
|
/* read sas_iounit page 1 */
|
|
sz = offsetof(Mpi2SasIOUnitPage1_t, PhyData) + (ioc->sas_hba.num_phys *
|
|
sizeof(Mpi2SasIOUnit1PhyData_t));
|
|
sas_iounit_pg1 = kzalloc(sz, GFP_KERNEL);
|
|
if (!sas_iounit_pg1) {
|
|
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
|
|
ioc->name, __FILE__, __LINE__, __func__);
|
|
rc = -ENOMEM;
|
|
goto out;
|
|
}
|
|
if ((mpt2sas_config_get_sas_iounit_pg1(ioc, &mpi_reply,
|
|
sas_iounit_pg1, sz))) {
|
|
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
|
|
ioc->name, __FILE__, __LINE__, __func__);
|
|
rc = -ENXIO;
|
|
goto out;
|
|
}
|
|
ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
|
|
MPI2_IOCSTATUS_MASK;
|
|
if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
|
|
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
|
|
ioc->name, __FILE__, __LINE__, __func__);
|
|
rc = -EIO;
|
|
goto out;
|
|
}
|
|
/* copy Port/PortFlags/PhyFlags from page 0 */
|
|
for (i = 0; i < ioc->sas_hba.num_phys ; i++) {
|
|
sas_iounit_pg1->PhyData[i].Port =
|
|
sas_iounit_pg0->PhyData[i].Port;
|
|
sas_iounit_pg1->PhyData[i].PortFlags =
|
|
(sas_iounit_pg0->PhyData[i].PortFlags &
|
|
MPI2_SASIOUNIT0_PORTFLAGS_AUTO_PORT_CONFIG);
|
|
sas_iounit_pg1->PhyData[i].PhyFlags =
|
|
(sas_iounit_pg0->PhyData[i].PhyFlags &
|
|
(MPI2_SASIOUNIT0_PHYFLAGS_ZONING_ENABLED +
|
|
MPI2_SASIOUNIT0_PHYFLAGS_PHY_DISABLED));
|
|
}
|
|
if (enable)
|
|
sas_iounit_pg1->PhyData[phy->number].PhyFlags
|
|
&= ~MPI2_SASIOUNIT1_PHYFLAGS_PHY_DISABLE;
|
|
else
|
|
sas_iounit_pg1->PhyData[phy->number].PhyFlags
|
|
|= MPI2_SASIOUNIT1_PHYFLAGS_PHY_DISABLE;
|
|
|
|
mpt2sas_config_set_sas_iounit_pg1(ioc, &mpi_reply, sas_iounit_pg1, sz);
|
|
|
|
/* link reset */
|
|
if (enable)
|
|
_transport_phy_reset(phy, 0);
|
|
|
|
out:
|
|
kfree(sas_iounit_pg1);
|
|
kfree(sas_iounit_pg0);
|
|
return rc;
|
|
}
|
|
|
|
/**
|
|
* _transport_phy_speed - set phy min/max link rates
|
|
* @phy: The sas phy object
|
|
* @rates: rates defined in sas_phy_linkrates
|
|
*
|
|
* Only support sas_host direct attached phys.
|
|
* Returns 0 for success, non-zero for failure.
|
|
*/
|
|
static int
|
|
_transport_phy_speed(struct sas_phy *phy, struct sas_phy_linkrates *rates)
|
|
{
|
|
struct MPT2SAS_ADAPTER *ioc = phy_to_ioc(phy);
|
|
Mpi2SasIOUnitPage1_t *sas_iounit_pg1 = NULL;
|
|
Mpi2SasPhyPage0_t phy_pg0;
|
|
Mpi2ConfigReply_t mpi_reply;
|
|
u16 ioc_status;
|
|
u16 sz;
|
|
int i;
|
|
int rc = 0;
|
|
unsigned long flags;
|
|
|
|
spin_lock_irqsave(&ioc->sas_node_lock, flags);
|
|
if (_transport_sas_node_find_by_sas_address(ioc,
|
|
phy->identify.sas_address) == NULL) {
|
|
spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
|
|
return -EINVAL;
|
|
}
|
|
spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
|
|
|
|
if (!rates->minimum_linkrate)
|
|
rates->minimum_linkrate = phy->minimum_linkrate;
|
|
else if (rates->minimum_linkrate < phy->minimum_linkrate_hw)
|
|
rates->minimum_linkrate = phy->minimum_linkrate_hw;
|
|
|
|
if (!rates->maximum_linkrate)
|
|
rates->maximum_linkrate = phy->maximum_linkrate;
|
|
else if (rates->maximum_linkrate > phy->maximum_linkrate_hw)
|
|
rates->maximum_linkrate = phy->maximum_linkrate_hw;
|
|
|
|
/* handle expander phys */
|
|
if (phy->identify.sas_address != ioc->sas_hba.sas_address) {
|
|
phy->minimum_linkrate = rates->minimum_linkrate;
|
|
phy->maximum_linkrate = rates->maximum_linkrate;
|
|
return _transport_expander_phy_control(ioc, phy,
|
|
SMP_PHY_CONTROL_LINK_RESET);
|
|
}
|
|
|
|
/* handle hba phys */
|
|
|
|
/* sas_iounit page 1 */
|
|
sz = offsetof(Mpi2SasIOUnitPage1_t, PhyData) + (ioc->sas_hba.num_phys *
|
|
sizeof(Mpi2SasIOUnit1PhyData_t));
|
|
sas_iounit_pg1 = kzalloc(sz, GFP_KERNEL);
|
|
if (!sas_iounit_pg1) {
|
|
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
|
|
ioc->name, __FILE__, __LINE__, __func__);
|
|
rc = -ENOMEM;
|
|
goto out;
|
|
}
|
|
if ((mpt2sas_config_get_sas_iounit_pg1(ioc, &mpi_reply,
|
|
sas_iounit_pg1, sz))) {
|
|
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
|
|
ioc->name, __FILE__, __LINE__, __func__);
|
|
rc = -ENXIO;
|
|
goto out;
|
|
}
|
|
ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
|
|
MPI2_IOCSTATUS_MASK;
|
|
if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
|
|
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
|
|
ioc->name, __FILE__, __LINE__, __func__);
|
|
rc = -EIO;
|
|
goto out;
|
|
}
|
|
|
|
for (i = 0; i < ioc->sas_hba.num_phys; i++) {
|
|
if (phy->number != i) {
|
|
sas_iounit_pg1->PhyData[i].MaxMinLinkRate =
|
|
(ioc->sas_hba.phy[i].phy->minimum_linkrate +
|
|
(ioc->sas_hba.phy[i].phy->maximum_linkrate << 4));
|
|
} else {
|
|
sas_iounit_pg1->PhyData[i].MaxMinLinkRate =
|
|
(rates->minimum_linkrate +
|
|
(rates->maximum_linkrate << 4));
|
|
}
|
|
}
|
|
|
|
if (mpt2sas_config_set_sas_iounit_pg1(ioc, &mpi_reply, sas_iounit_pg1,
|
|
sz)) {
|
|
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
|
|
ioc->name, __FILE__, __LINE__, __func__);
|
|
rc = -ENXIO;
|
|
goto out;
|
|
}
|
|
|
|
/* link reset */
|
|
_transport_phy_reset(phy, 0);
|
|
|
|
/* read phy page 0, then update the rates in the sas transport phy */
|
|
if (!mpt2sas_config_get_phy_pg0(ioc, &mpi_reply, &phy_pg0,
|
|
phy->number)) {
|
|
phy->minimum_linkrate = _transport_convert_phy_link_rate(
|
|
phy_pg0.ProgrammedLinkRate & MPI2_SAS_PRATE_MIN_RATE_MASK);
|
|
phy->maximum_linkrate = _transport_convert_phy_link_rate(
|
|
phy_pg0.ProgrammedLinkRate >> 4);
|
|
phy->negotiated_linkrate = _transport_convert_phy_link_rate(
|
|
phy_pg0.NegotiatedLinkRate &
|
|
MPI2_SAS_NEG_LINK_RATE_MASK_PHYSICAL);
|
|
}
|
|
|
|
out:
|
|
kfree(sas_iounit_pg1);
|
|
return rc;
|
|
}
|
|
|
|
|
|
/**
|
|
* _transport_smp_handler - transport portal for smp passthru
|
|
* @shost: shost object
|
|
* @rphy: sas transport rphy object
|
|
* @req:
|
|
*
|
|
* This used primarily for smp_utils.
|
|
* Example:
|
|
* smp_rep_general /sys/class/bsg/expander-5:0
|
|
*/
|
|
static int
|
|
_transport_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy,
|
|
struct request *req)
|
|
{
|
|
struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
|
|
Mpi2SmpPassthroughRequest_t *mpi_request;
|
|
Mpi2SmpPassthroughReply_t *mpi_reply;
|
|
int rc, i;
|
|
u16 smid;
|
|
u32 ioc_state;
|
|
unsigned long timeleft;
|
|
void *psge;
|
|
u32 sgl_flags;
|
|
u8 issue_reset = 0;
|
|
dma_addr_t dma_addr_in = 0;
|
|
dma_addr_t dma_addr_out = 0;
|
|
dma_addr_t pci_dma_in = 0;
|
|
dma_addr_t pci_dma_out = 0;
|
|
void *pci_addr_in = NULL;
|
|
void *pci_addr_out = NULL;
|
|
u16 wait_state_count;
|
|
struct request *rsp = req->next_rq;
|
|
struct bio_vec *bvec = NULL;
|
|
|
|
if (!rsp) {
|
|
printk(MPT2SAS_ERR_FMT "%s: the smp response space is "
|
|
"missing\n", ioc->name, __func__);
|
|
return -EINVAL;
|
|
}
|
|
if (ioc->shost_recovery || ioc->pci_error_recovery) {
|
|
printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n",
|
|
__func__, ioc->name);
|
|
return -EFAULT;
|
|
}
|
|
|
|
rc = mutex_lock_interruptible(&ioc->transport_cmds.mutex);
|
|
if (rc)
|
|
return rc;
|
|
|
|
if (ioc->transport_cmds.status != MPT2_CMD_NOT_USED) {
|
|
printk(MPT2SAS_ERR_FMT "%s: transport_cmds in use\n", ioc->name,
|
|
__func__);
|
|
rc = -EAGAIN;
|
|
goto out;
|
|
}
|
|
ioc->transport_cmds.status = MPT2_CMD_PENDING;
|
|
|
|
/* Check if the request is split across multiple segments */
|
|
if (req->bio->bi_vcnt > 1) {
|
|
u32 offset = 0;
|
|
|
|
/* Allocate memory and copy the request */
|
|
pci_addr_out = pci_alloc_consistent(ioc->pdev,
|
|
blk_rq_bytes(req), &pci_dma_out);
|
|
if (!pci_addr_out) {
|
|
printk(MPT2SAS_INFO_FMT "%s(): PCI Addr out = NULL\n",
|
|
ioc->name, __func__);
|
|
rc = -ENOMEM;
|
|
goto out;
|
|
}
|
|
|
|
bio_for_each_segment(bvec, req->bio, i) {
|
|
memcpy(pci_addr_out + offset,
|
|
page_address(bvec->bv_page) + bvec->bv_offset,
|
|
bvec->bv_len);
|
|
offset += bvec->bv_len;
|
|
}
|
|
} else {
|
|
dma_addr_out = pci_map_single(ioc->pdev, bio_data(req->bio),
|
|
blk_rq_bytes(req), PCI_DMA_BIDIRECTIONAL);
|
|
if (!dma_addr_out) {
|
|
printk(MPT2SAS_INFO_FMT "%s(): DMA Addr out = NULL\n",
|
|
ioc->name, __func__);
|
|
rc = -ENOMEM;
|
|
goto free_pci;
|
|
}
|
|
}
|
|
|
|
/* Check if the response needs to be populated across
|
|
* multiple segments */
|
|
if (rsp->bio->bi_vcnt > 1) {
|
|
pci_addr_in = pci_alloc_consistent(ioc->pdev, blk_rq_bytes(rsp),
|
|
&pci_dma_in);
|
|
if (!pci_addr_in) {
|
|
printk(MPT2SAS_INFO_FMT "%s(): PCI Addr in = NULL\n",
|
|
ioc->name, __func__);
|
|
rc = -ENOMEM;
|
|
goto unmap;
|
|
}
|
|
} else {
|
|
dma_addr_in = pci_map_single(ioc->pdev, bio_data(rsp->bio),
|
|
blk_rq_bytes(rsp), PCI_DMA_BIDIRECTIONAL);
|
|
if (!dma_addr_in) {
|
|
printk(MPT2SAS_INFO_FMT "%s(): DMA Addr in = NULL\n",
|
|
ioc->name, __func__);
|
|
rc = -ENOMEM;
|
|
goto unmap;
|
|
}
|
|
}
|
|
|
|
wait_state_count = 0;
|
|
ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
|
|
while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
|
|
if (wait_state_count++ == 10) {
|
|
printk(MPT2SAS_ERR_FMT
|
|
"%s: failed due to ioc not operational\n",
|
|
ioc->name, __func__);
|
|
rc = -EFAULT;
|
|
goto unmap;
|
|
}
|
|
ssleep(1);
|
|
ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
|
|
printk(MPT2SAS_INFO_FMT "%s: waiting for "
|
|
"operational state(count=%d)\n", ioc->name,
|
|
__func__, wait_state_count);
|
|
}
|
|
if (wait_state_count)
|
|
printk(MPT2SAS_INFO_FMT "%s: ioc is operational\n",
|
|
ioc->name, __func__);
|
|
|
|
smid = mpt2sas_base_get_smid(ioc, ioc->transport_cb_idx);
|
|
if (!smid) {
|
|
printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
|
|
ioc->name, __func__);
|
|
rc = -EAGAIN;
|
|
goto unmap;
|
|
}
|
|
|
|
rc = 0;
|
|
mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
|
|
ioc->transport_cmds.smid = smid;
|
|
|
|
memset(mpi_request, 0, sizeof(Mpi2SmpPassthroughRequest_t));
|
|
mpi_request->Function = MPI2_FUNCTION_SMP_PASSTHROUGH;
|
|
mpi_request->PhysicalPort = 0xFF;
|
|
mpi_request->VF_ID = 0; /* TODO */
|
|
mpi_request->VP_ID = 0;
|
|
mpi_request->SASAddress = (rphy) ?
|
|
cpu_to_le64(rphy->identify.sas_address) :
|
|
cpu_to_le64(ioc->sas_hba.sas_address);
|
|
mpi_request->RequestDataLength = cpu_to_le16(blk_rq_bytes(req) - 4);
|
|
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;
|
|
if (req->bio->bi_vcnt > 1) {
|
|
ioc->base_add_sg_single(psge, sgl_flags |
|
|
(blk_rq_bytes(req) - 4), pci_dma_out);
|
|
} else {
|
|
ioc->base_add_sg_single(psge, sgl_flags |
|
|
(blk_rq_bytes(req) - 4), dma_addr_out);
|
|
}
|
|
|
|
/* 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;
|
|
if (rsp->bio->bi_vcnt > 1) {
|
|
ioc->base_add_sg_single(psge, sgl_flags |
|
|
(blk_rq_bytes(rsp) + 4), pci_dma_in);
|
|
} else {
|
|
ioc->base_add_sg_single(psge, sgl_flags |
|
|
(blk_rq_bytes(rsp) + 4), dma_addr_in);
|
|
}
|
|
|
|
dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT "%s - "
|
|
"sending smp request\n", ioc->name, __func__));
|
|
|
|
init_completion(&ioc->transport_cmds.done);
|
|
mpt2sas_base_put_smid_default(ioc, smid);
|
|
timeleft = wait_for_completion_timeout(&ioc->transport_cmds.done,
|
|
10*HZ);
|
|
|
|
if (!(ioc->transport_cmds.status & MPT2_CMD_COMPLETE)) {
|
|
printk(MPT2SAS_ERR_FMT "%s : timeout\n",
|
|
__func__, ioc->name);
|
|
_debug_dump_mf(mpi_request,
|
|
sizeof(Mpi2SmpPassthroughRequest_t)/4);
|
|
if (!(ioc->transport_cmds.status & MPT2_CMD_RESET))
|
|
issue_reset = 1;
|
|
goto issue_host_reset;
|
|
}
|
|
|
|
dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT "%s - "
|
|
"complete\n", ioc->name, __func__));
|
|
|
|
if (ioc->transport_cmds.status & MPT2_CMD_REPLY_VALID) {
|
|
|
|
mpi_reply = ioc->transport_cmds.reply;
|
|
|
|
dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT
|
|
"%s - reply data transfer size(%d)\n",
|
|
ioc->name, __func__,
|
|
le16_to_cpu(mpi_reply->ResponseDataLength)));
|
|
|
|
memcpy(req->sense, mpi_reply, sizeof(*mpi_reply));
|
|
req->sense_len = sizeof(*mpi_reply);
|
|
req->resid_len = 0;
|
|
rsp->resid_len -=
|
|
le16_to_cpu(mpi_reply->ResponseDataLength);
|
|
/* check if the resp needs to be copied from the allocated
|
|
* pci mem */
|
|
if (rsp->bio->bi_vcnt > 1) {
|
|
u32 offset = 0;
|
|
u32 bytes_to_copy =
|
|
le16_to_cpu(mpi_reply->ResponseDataLength);
|
|
bio_for_each_segment(bvec, rsp->bio, i) {
|
|
if (bytes_to_copy <= bvec->bv_len) {
|
|
memcpy(page_address(bvec->bv_page) +
|
|
bvec->bv_offset, pci_addr_in +
|
|
offset, bytes_to_copy);
|
|
break;
|
|
} else {
|
|
memcpy(page_address(bvec->bv_page) +
|
|
bvec->bv_offset, pci_addr_in +
|
|
offset, bvec->bv_len);
|
|
bytes_to_copy -= bvec->bv_len;
|
|
}
|
|
offset += bvec->bv_len;
|
|
}
|
|
}
|
|
} else {
|
|
dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT
|
|
"%s - no reply\n", ioc->name, __func__));
|
|
rc = -ENXIO;
|
|
}
|
|
|
|
issue_host_reset:
|
|
if (issue_reset) {
|
|
mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
|
|
FORCE_BIG_HAMMER);
|
|
rc = -ETIMEDOUT;
|
|
}
|
|
|
|
unmap:
|
|
if (dma_addr_out)
|
|
pci_unmap_single(ioc->pdev, dma_addr_out, blk_rq_bytes(req),
|
|
PCI_DMA_BIDIRECTIONAL);
|
|
if (dma_addr_in)
|
|
pci_unmap_single(ioc->pdev, dma_addr_in, blk_rq_bytes(rsp),
|
|
PCI_DMA_BIDIRECTIONAL);
|
|
|
|
free_pci:
|
|
if (pci_addr_out)
|
|
pci_free_consistent(ioc->pdev, blk_rq_bytes(req), pci_addr_out,
|
|
pci_dma_out);
|
|
|
|
if (pci_addr_in)
|
|
pci_free_consistent(ioc->pdev, blk_rq_bytes(rsp), pci_addr_in,
|
|
pci_dma_in);
|
|
|
|
out:
|
|
ioc->transport_cmds.status = MPT2_CMD_NOT_USED;
|
|
mutex_unlock(&ioc->transport_cmds.mutex);
|
|
return rc;
|
|
}
|
|
|
|
struct sas_function_template mpt2sas_transport_functions = {
|
|
.get_linkerrors = _transport_get_linkerrors,
|
|
.get_enclosure_identifier = _transport_get_enclosure_identifier,
|
|
.get_bay_identifier = _transport_get_bay_identifier,
|
|
.phy_reset = _transport_phy_reset,
|
|
.phy_enable = _transport_phy_enable,
|
|
.set_phy_speed = _transport_phy_speed,
|
|
.smp_handler = _transport_smp_handler,
|
|
};
|
|
|
|
struct scsi_transport_template *mpt2sas_transport_template;
|