![Linus Torvalds](/assets/img/avatar_default.png)
* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (170 commits) [SCSI] scsi_dh_rdac: Add MD36xxf into device list [SCSI] scsi_debug: add consecutive medium errors [SCSI] libsas: fix ata list corruption issue [SCSI] hpsa: export resettable host attribute [SCSI] hpsa: move device attributes to avoid forward declarations [SCSI] scsi_debug: Logical Block Provisioning (SBC3r26) [SCSI] sd: Logical Block Provisioning update [SCSI] Include protection operation in SCSI command trace [SCSI] hpsa: fix incorrect PCI IDs and add two new ones (2nd try) [SCSI] target: Fix volume size misreporting for volumes > 2TB [SCSI] bnx2fc: Broadcom FCoE offload driver [SCSI] fcoe: fix broken fcoe interface reset [SCSI] fcoe: precedence bug in fcoe_filter_frames() [SCSI] libfcoe: Remove stale fcoe-netdev entries [SCSI] libfcoe: Move FCOE_MTU definition from fcoe.h to libfcoe.h [SCSI] libfc: introduce __fc_fill_fc_hdr that accepts fc_hdr as an argument [SCSI] fcoe, libfc: initialize EM anchors list and then update npiv EMs [SCSI] Revert "[SCSI] libfc: fix exchange being deleted when the abort itself is timed out" [SCSI] libfc: Fixing a memory leak when destroying an interface [SCSI] megaraid_sas: Version and Changelog update ... Fix up trivial conflicts due to whitespace differences in drivers/scsi/libsas/{sas_ata.c,sas_scsi_host.c}
7275 lines
207 KiB
C
7275 lines
207 KiB
C
/*
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* Scsi Host 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_scsih.c
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* Copyright (C) 2007-2010 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/version.h>
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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/blkdev.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/interrupt.h>
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#include <linux/aer.h>
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#include <linux/raid_class.h>
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#include <linux/slab.h>
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#include "mpt2sas_base.h"
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MODULE_AUTHOR(MPT2SAS_AUTHOR);
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MODULE_DESCRIPTION(MPT2SAS_DESCRIPTION);
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MODULE_LICENSE("GPL");
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MODULE_VERSION(MPT2SAS_DRIVER_VERSION);
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#define RAID_CHANNEL 1
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/* forward proto's */
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static void _scsih_expander_node_remove(struct MPT2SAS_ADAPTER *ioc,
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struct _sas_node *sas_expander);
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static void _firmware_event_work(struct work_struct *work);
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static u8 _scsih_check_for_pending_tm(struct MPT2SAS_ADAPTER *ioc, u16 smid);
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/* global parameters */
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LIST_HEAD(mpt2sas_ioc_list);
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/* local parameters */
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static u8 scsi_io_cb_idx = -1;
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static u8 tm_cb_idx = -1;
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static u8 ctl_cb_idx = -1;
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static u8 base_cb_idx = -1;
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static u8 transport_cb_idx = -1;
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static u8 scsih_cb_idx = -1;
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static u8 config_cb_idx = -1;
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static int mpt_ids;
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static u8 tm_tr_cb_idx = -1 ;
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static u8 tm_tr_volume_cb_idx = -1 ;
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static u8 tm_sas_control_cb_idx = -1;
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/* command line options */
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static u32 logging_level;
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MODULE_PARM_DESC(logging_level, " bits for enabling additional logging info "
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"(default=0)");
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/* scsi-mid layer global parmeter is max_report_luns, which is 511 */
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#define MPT2SAS_MAX_LUN (16895)
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static int max_lun = MPT2SAS_MAX_LUN;
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module_param(max_lun, int, 0);
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MODULE_PARM_DESC(max_lun, " max lun, default=16895 ");
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/**
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* struct sense_info - common structure for obtaining sense keys
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* @skey: sense key
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* @asc: additional sense code
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* @ascq: additional sense code qualifier
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*/
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struct sense_info {
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u8 skey;
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u8 asc;
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u8 ascq;
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};
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#define MPT2SAS_RESCAN_AFTER_HOST_RESET (0xFFFF)
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/**
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* struct fw_event_work - firmware event struct
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* @list: link list framework
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* @work: work object (ioc->fault_reset_work_q)
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* @cancel_pending_work: flag set during reset handling
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* @ioc: per adapter object
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* @VF_ID: virtual function id
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* @VP_ID: virtual port id
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* @ignore: flag meaning this event has been marked to ignore
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* @event: firmware event MPI2_EVENT_XXX defined in mpt2_ioc.h
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* @event_data: reply event data payload follows
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*
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* This object stored on ioc->fw_event_list.
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*/
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struct fw_event_work {
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struct list_head list;
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u8 cancel_pending_work;
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struct delayed_work delayed_work;
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struct MPT2SAS_ADAPTER *ioc;
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u8 VF_ID;
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u8 VP_ID;
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u8 ignore;
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u16 event;
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void *event_data;
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};
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/* raid transport support */
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static struct raid_template *mpt2sas_raid_template;
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/**
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* struct _scsi_io_transfer - scsi io transfer
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* @handle: sas device handle (assigned by firmware)
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* @is_raid: flag set for hidden raid components
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* @dir: DMA_TO_DEVICE, DMA_FROM_DEVICE,
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* @data_length: data transfer length
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* @data_dma: dma pointer to data
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* @sense: sense data
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* @lun: lun number
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* @cdb_length: cdb length
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* @cdb: cdb contents
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* @timeout: timeout for this command
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* @VF_ID: virtual function id
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* @VP_ID: virtual port id
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* @valid_reply: flag set for reply message
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* @sense_length: sense length
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* @ioc_status: ioc status
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* @scsi_state: scsi state
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* @scsi_status: scsi staus
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* @log_info: log information
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* @transfer_length: data length transfer when there is a reply message
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*
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* Used for sending internal scsi commands to devices within this module.
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* Refer to _scsi_send_scsi_io().
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*/
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struct _scsi_io_transfer {
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u16 handle;
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u8 is_raid;
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enum dma_data_direction dir;
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u32 data_length;
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dma_addr_t data_dma;
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u8 sense[SCSI_SENSE_BUFFERSIZE];
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u32 lun;
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u8 cdb_length;
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u8 cdb[32];
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u8 timeout;
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u8 VF_ID;
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u8 VP_ID;
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u8 valid_reply;
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/* the following bits are only valid when 'valid_reply = 1' */
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u32 sense_length;
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u16 ioc_status;
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u8 scsi_state;
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u8 scsi_status;
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u32 log_info;
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u32 transfer_length;
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};
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/*
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* The pci device ids are defined in mpi/mpi2_cnfg.h.
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*/
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static struct pci_device_id scsih_pci_table[] = {
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{ MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2004,
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PCI_ANY_ID, PCI_ANY_ID },
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/* Falcon ~ 2008*/
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{ MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2008,
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PCI_ANY_ID, PCI_ANY_ID },
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/* Liberator ~ 2108 */
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{ MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_1,
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PCI_ANY_ID, PCI_ANY_ID },
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{ MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_2,
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PCI_ANY_ID, PCI_ANY_ID },
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{ MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_3,
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PCI_ANY_ID, PCI_ANY_ID },
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/* Meteor ~ 2116 */
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{ MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2116_1,
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PCI_ANY_ID, PCI_ANY_ID },
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{ MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2116_2,
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PCI_ANY_ID, PCI_ANY_ID },
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/* Thunderbolt ~ 2208 */
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{ MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_1,
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PCI_ANY_ID, PCI_ANY_ID },
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{ MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_2,
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PCI_ANY_ID, PCI_ANY_ID },
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{ MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_3,
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PCI_ANY_ID, PCI_ANY_ID },
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{ MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_4,
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PCI_ANY_ID, PCI_ANY_ID },
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{ MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_5,
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PCI_ANY_ID, PCI_ANY_ID },
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{ MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_6,
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PCI_ANY_ID, PCI_ANY_ID },
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/* Mustang ~ 2308 */
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{ MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_1,
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PCI_ANY_ID, PCI_ANY_ID },
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{ MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_2,
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PCI_ANY_ID, PCI_ANY_ID },
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{ MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_3,
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PCI_ANY_ID, PCI_ANY_ID },
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{0} /* Terminating entry */
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};
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MODULE_DEVICE_TABLE(pci, scsih_pci_table);
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/**
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* _scsih_set_debug_level - global setting of ioc->logging_level.
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*
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* Note: The logging levels are defined in mpt2sas_debug.h.
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*/
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static int
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_scsih_set_debug_level(const char *val, struct kernel_param *kp)
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{
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int ret = param_set_int(val, kp);
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struct MPT2SAS_ADAPTER *ioc;
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if (ret)
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return ret;
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printk(KERN_INFO "setting logging_level(0x%08x)\n", logging_level);
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list_for_each_entry(ioc, &mpt2sas_ioc_list, list)
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ioc->logging_level = logging_level;
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return 0;
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}
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module_param_call(logging_level, _scsih_set_debug_level, param_get_int,
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&logging_level, 0644);
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/**
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* _scsih_srch_boot_sas_address - search based on sas_address
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* @sas_address: sas address
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* @boot_device: boot device object from bios page 2
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*
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* Returns 1 when there's a match, 0 means no match.
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*/
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static inline int
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_scsih_srch_boot_sas_address(u64 sas_address,
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Mpi2BootDeviceSasWwid_t *boot_device)
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{
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return (sas_address == le64_to_cpu(boot_device->SASAddress)) ? 1 : 0;
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}
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/**
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* _scsih_srch_boot_device_name - search based on device name
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* @device_name: device name specified in INDENTIFY fram
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* @boot_device: boot device object from bios page 2
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*
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* Returns 1 when there's a match, 0 means no match.
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*/
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static inline int
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_scsih_srch_boot_device_name(u64 device_name,
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Mpi2BootDeviceDeviceName_t *boot_device)
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{
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return (device_name == le64_to_cpu(boot_device->DeviceName)) ? 1 : 0;
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}
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/**
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* _scsih_srch_boot_encl_slot - search based on enclosure_logical_id/slot
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* @enclosure_logical_id: enclosure logical id
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* @slot_number: slot number
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* @boot_device: boot device object from bios page 2
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*
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* Returns 1 when there's a match, 0 means no match.
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*/
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static inline int
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_scsih_srch_boot_encl_slot(u64 enclosure_logical_id, u16 slot_number,
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Mpi2BootDeviceEnclosureSlot_t *boot_device)
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{
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return (enclosure_logical_id == le64_to_cpu(boot_device->
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EnclosureLogicalID) && slot_number == le16_to_cpu(boot_device->
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SlotNumber)) ? 1 : 0;
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}
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/**
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* _scsih_is_boot_device - search for matching boot device.
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* @sas_address: sas address
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* @device_name: device name specified in INDENTIFY fram
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* @enclosure_logical_id: enclosure logical id
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* @slot_number: slot number
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* @form: specifies boot device form
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* @boot_device: boot device object from bios page 2
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*
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* Returns 1 when there's a match, 0 means no match.
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*/
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static int
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_scsih_is_boot_device(u64 sas_address, u64 device_name,
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u64 enclosure_logical_id, u16 slot, u8 form,
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Mpi2BiosPage2BootDevice_t *boot_device)
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{
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int rc = 0;
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switch (form) {
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case MPI2_BIOSPAGE2_FORM_SAS_WWID:
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if (!sas_address)
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break;
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rc = _scsih_srch_boot_sas_address(
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sas_address, &boot_device->SasWwid);
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break;
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case MPI2_BIOSPAGE2_FORM_ENCLOSURE_SLOT:
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if (!enclosure_logical_id)
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break;
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rc = _scsih_srch_boot_encl_slot(
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enclosure_logical_id,
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slot, &boot_device->EnclosureSlot);
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break;
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case MPI2_BIOSPAGE2_FORM_DEVICE_NAME:
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if (!device_name)
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break;
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rc = _scsih_srch_boot_device_name(
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device_name, &boot_device->DeviceName);
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break;
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case MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED:
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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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* _scsih_get_sas_address - set the sas_address for given device handle
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* @handle: device handle
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* @sas_address: sas address
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*
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* Returns 0 success, non-zero when failure
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*/
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static int
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_scsih_get_sas_address(struct MPT2SAS_ADAPTER *ioc, u16 handle,
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u64 *sas_address)
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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 ioc_status;
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if (handle <= ioc->sas_hba.num_phys) {
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*sas_address = ioc->sas_hba.sas_address;
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return 0;
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} else
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*sas_address = 0;
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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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*sas_address = le64_to_cpu(sas_device_pg0.SASAddress);
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return 0;
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}
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/**
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* _scsih_determine_boot_device - determine boot device.
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* @ioc: per adapter object
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* @device: either sas_device or raid_device object
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* @is_raid: [flag] 1 = raid object, 0 = sas object
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*
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* Determines whether this device should be first reported device to
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* to scsi-ml or sas transport, this purpose is for persistant boot device.
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* There are primary, alternate, and current entries in bios page 2. The order
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* priority is primary, alternate, then current. This routine saves
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* the corresponding device object and is_raid flag in the ioc object.
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* The saved data to be used later in _scsih_probe_boot_devices().
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*/
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static void
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_scsih_determine_boot_device(struct MPT2SAS_ADAPTER *ioc,
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void *device, u8 is_raid)
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{
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struct _sas_device *sas_device;
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struct _raid_device *raid_device;
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u64 sas_address;
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u64 device_name;
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u64 enclosure_logical_id;
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u16 slot;
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/* only process this function when driver loads */
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if (!ioc->wait_for_port_enable_to_complete)
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return;
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if (!is_raid) {
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sas_device = device;
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sas_address = sas_device->sas_address;
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device_name = sas_device->device_name;
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enclosure_logical_id = sas_device->enclosure_logical_id;
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slot = sas_device->slot;
|
|
} else {
|
|
raid_device = device;
|
|
sas_address = raid_device->wwid;
|
|
device_name = 0;
|
|
enclosure_logical_id = 0;
|
|
slot = 0;
|
|
}
|
|
|
|
if (!ioc->req_boot_device.device) {
|
|
if (_scsih_is_boot_device(sas_address, device_name,
|
|
enclosure_logical_id, slot,
|
|
(ioc->bios_pg2.ReqBootDeviceForm &
|
|
MPI2_BIOSPAGE2_FORM_MASK),
|
|
&ioc->bios_pg2.RequestedBootDevice)) {
|
|
dinitprintk(ioc, printk(MPT2SAS_INFO_FMT
|
|
"%s: req_boot_device(0x%016llx)\n",
|
|
ioc->name, __func__,
|
|
(unsigned long long)sas_address));
|
|
ioc->req_boot_device.device = device;
|
|
ioc->req_boot_device.is_raid = is_raid;
|
|
}
|
|
}
|
|
|
|
if (!ioc->req_alt_boot_device.device) {
|
|
if (_scsih_is_boot_device(sas_address, device_name,
|
|
enclosure_logical_id, slot,
|
|
(ioc->bios_pg2.ReqAltBootDeviceForm &
|
|
MPI2_BIOSPAGE2_FORM_MASK),
|
|
&ioc->bios_pg2.RequestedAltBootDevice)) {
|
|
dinitprintk(ioc, printk(MPT2SAS_INFO_FMT
|
|
"%s: req_alt_boot_device(0x%016llx)\n",
|
|
ioc->name, __func__,
|
|
(unsigned long long)sas_address));
|
|
ioc->req_alt_boot_device.device = device;
|
|
ioc->req_alt_boot_device.is_raid = is_raid;
|
|
}
|
|
}
|
|
|
|
if (!ioc->current_boot_device.device) {
|
|
if (_scsih_is_boot_device(sas_address, device_name,
|
|
enclosure_logical_id, slot,
|
|
(ioc->bios_pg2.CurrentBootDeviceForm &
|
|
MPI2_BIOSPAGE2_FORM_MASK),
|
|
&ioc->bios_pg2.CurrentBootDevice)) {
|
|
dinitprintk(ioc, printk(MPT2SAS_INFO_FMT
|
|
"%s: current_boot_device(0x%016llx)\n",
|
|
ioc->name, __func__,
|
|
(unsigned long long)sas_address));
|
|
ioc->current_boot_device.device = device;
|
|
ioc->current_boot_device.is_raid = is_raid;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* mpt2sas_scsih_sas_device_find_by_sas_address - sas device search
|
|
* @ioc: per adapter object
|
|
* @sas_address: sas address
|
|
* Context: Calling function should acquire ioc->sas_device_lock
|
|
*
|
|
* This searches for sas_device based on sas_address, then return sas_device
|
|
* object.
|
|
*/
|
|
struct _sas_device *
|
|
mpt2sas_scsih_sas_device_find_by_sas_address(struct MPT2SAS_ADAPTER *ioc,
|
|
u64 sas_address)
|
|
{
|
|
struct _sas_device *sas_device;
|
|
|
|
list_for_each_entry(sas_device, &ioc->sas_device_list, list)
|
|
if (sas_device->sas_address == sas_address)
|
|
return sas_device;
|
|
|
|
list_for_each_entry(sas_device, &ioc->sas_device_init_list, list)
|
|
if (sas_device->sas_address == sas_address)
|
|
return sas_device;
|
|
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* _scsih_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 *
|
|
_scsih_sas_device_find_by_handle(struct MPT2SAS_ADAPTER *ioc, u16 handle)
|
|
{
|
|
struct _sas_device *sas_device;
|
|
|
|
list_for_each_entry(sas_device, &ioc->sas_device_list, list)
|
|
if (sas_device->handle == handle)
|
|
return sas_device;
|
|
|
|
list_for_each_entry(sas_device, &ioc->sas_device_init_list, list)
|
|
if (sas_device->handle == handle)
|
|
return sas_device;
|
|
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* _scsih_sas_device_remove - remove sas_device from list.
|
|
* @ioc: per adapter object
|
|
* @sas_device: the sas_device object
|
|
* Context: This function will acquire ioc->sas_device_lock.
|
|
*
|
|
* Removing object and freeing associated memory from the ioc->sas_device_list.
|
|
*/
|
|
static void
|
|
_scsih_sas_device_remove(struct MPT2SAS_ADAPTER *ioc,
|
|
struct _sas_device *sas_device)
|
|
{
|
|
unsigned long flags;
|
|
|
|
if (!sas_device)
|
|
return;
|
|
|
|
spin_lock_irqsave(&ioc->sas_device_lock, flags);
|
|
if (mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
|
|
sas_device->sas_address)) {
|
|
list_del(&sas_device->list);
|
|
kfree(sas_device);
|
|
}
|
|
spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
|
|
}
|
|
|
|
/**
|
|
* _scsih_sas_device_add - insert sas_device to the list.
|
|
* @ioc: per adapter object
|
|
* @sas_device: the sas_device object
|
|
* Context: This function will acquire ioc->sas_device_lock.
|
|
*
|
|
* Adding new object to the ioc->sas_device_list.
|
|
*/
|
|
static void
|
|
_scsih_sas_device_add(struct MPT2SAS_ADAPTER *ioc,
|
|
struct _sas_device *sas_device)
|
|
{
|
|
unsigned long flags;
|
|
|
|
dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: handle"
|
|
"(0x%04x), sas_addr(0x%016llx)\n", ioc->name, __func__,
|
|
sas_device->handle, (unsigned long long)sas_device->sas_address));
|
|
|
|
spin_lock_irqsave(&ioc->sas_device_lock, flags);
|
|
list_add_tail(&sas_device->list, &ioc->sas_device_list);
|
|
spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
|
|
|
|
if (!mpt2sas_transport_port_add(ioc, sas_device->handle,
|
|
sas_device->sas_address_parent))
|
|
_scsih_sas_device_remove(ioc, sas_device);
|
|
}
|
|
|
|
/**
|
|
* _scsih_sas_device_init_add - insert sas_device to the list.
|
|
* @ioc: per adapter object
|
|
* @sas_device: the sas_device object
|
|
* Context: This function will acquire ioc->sas_device_lock.
|
|
*
|
|
* Adding new object at driver load time to the ioc->sas_device_init_list.
|
|
*/
|
|
static void
|
|
_scsih_sas_device_init_add(struct MPT2SAS_ADAPTER *ioc,
|
|
struct _sas_device *sas_device)
|
|
{
|
|
unsigned long flags;
|
|
|
|
dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: handle"
|
|
"(0x%04x), sas_addr(0x%016llx)\n", ioc->name, __func__,
|
|
sas_device->handle, (unsigned long long)sas_device->sas_address));
|
|
|
|
spin_lock_irqsave(&ioc->sas_device_lock, flags);
|
|
list_add_tail(&sas_device->list, &ioc->sas_device_init_list);
|
|
spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
|
|
_scsih_determine_boot_device(ioc, sas_device, 0);
|
|
}
|
|
|
|
/**
|
|
* _scsih_raid_device_find_by_id - raid device search
|
|
* @ioc: per adapter object
|
|
* @id: sas device target id
|
|
* @channel: sas device channel
|
|
* Context: Calling function should acquire ioc->raid_device_lock
|
|
*
|
|
* This searches for raid_device based on target id, then return raid_device
|
|
* object.
|
|
*/
|
|
static struct _raid_device *
|
|
_scsih_raid_device_find_by_id(struct MPT2SAS_ADAPTER *ioc, int id, int channel)
|
|
{
|
|
struct _raid_device *raid_device, *r;
|
|
|
|
r = NULL;
|
|
list_for_each_entry(raid_device, &ioc->raid_device_list, list) {
|
|
if (raid_device->id == id && raid_device->channel == channel) {
|
|
r = raid_device;
|
|
goto out;
|
|
}
|
|
}
|
|
|
|
out:
|
|
return r;
|
|
}
|
|
|
|
/**
|
|
* _scsih_raid_device_find_by_handle - raid device search
|
|
* @ioc: per adapter object
|
|
* @handle: sas device handle (assigned by firmware)
|
|
* Context: Calling function should acquire ioc->raid_device_lock
|
|
*
|
|
* This searches for raid_device based on handle, then return raid_device
|
|
* object.
|
|
*/
|
|
static struct _raid_device *
|
|
_scsih_raid_device_find_by_handle(struct MPT2SAS_ADAPTER *ioc, u16 handle)
|
|
{
|
|
struct _raid_device *raid_device, *r;
|
|
|
|
r = NULL;
|
|
list_for_each_entry(raid_device, &ioc->raid_device_list, list) {
|
|
if (raid_device->handle != handle)
|
|
continue;
|
|
r = raid_device;
|
|
goto out;
|
|
}
|
|
|
|
out:
|
|
return r;
|
|
}
|
|
|
|
/**
|
|
* _scsih_raid_device_find_by_wwid - raid device search
|
|
* @ioc: per adapter object
|
|
* @handle: sas device handle (assigned by firmware)
|
|
* Context: Calling function should acquire ioc->raid_device_lock
|
|
*
|
|
* This searches for raid_device based on wwid, then return raid_device
|
|
* object.
|
|
*/
|
|
static struct _raid_device *
|
|
_scsih_raid_device_find_by_wwid(struct MPT2SAS_ADAPTER *ioc, u64 wwid)
|
|
{
|
|
struct _raid_device *raid_device, *r;
|
|
|
|
r = NULL;
|
|
list_for_each_entry(raid_device, &ioc->raid_device_list, list) {
|
|
if (raid_device->wwid != wwid)
|
|
continue;
|
|
r = raid_device;
|
|
goto out;
|
|
}
|
|
|
|
out:
|
|
return r;
|
|
}
|
|
|
|
/**
|
|
* _scsih_raid_device_add - add raid_device object
|
|
* @ioc: per adapter object
|
|
* @raid_device: raid_device object
|
|
*
|
|
* This is added to the raid_device_list link list.
|
|
*/
|
|
static void
|
|
_scsih_raid_device_add(struct MPT2SAS_ADAPTER *ioc,
|
|
struct _raid_device *raid_device)
|
|
{
|
|
unsigned long flags;
|
|
|
|
dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: handle"
|
|
"(0x%04x), wwid(0x%016llx)\n", ioc->name, __func__,
|
|
raid_device->handle, (unsigned long long)raid_device->wwid));
|
|
|
|
spin_lock_irqsave(&ioc->raid_device_lock, flags);
|
|
list_add_tail(&raid_device->list, &ioc->raid_device_list);
|
|
spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
|
|
}
|
|
|
|
/**
|
|
* _scsih_raid_device_remove - delete raid_device object
|
|
* @ioc: per adapter object
|
|
* @raid_device: raid_device object
|
|
*
|
|
* This is removed from the raid_device_list link list.
|
|
*/
|
|
static void
|
|
_scsih_raid_device_remove(struct MPT2SAS_ADAPTER *ioc,
|
|
struct _raid_device *raid_device)
|
|
{
|
|
unsigned long flags;
|
|
|
|
spin_lock_irqsave(&ioc->raid_device_lock, flags);
|
|
list_del(&raid_device->list);
|
|
memset(raid_device, 0, sizeof(struct _raid_device));
|
|
kfree(raid_device);
|
|
spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
|
|
}
|
|
|
|
/**
|
|
* mpt2sas_scsih_expander_find_by_handle - expander device search
|
|
* @ioc: per adapter object
|
|
* @handle: expander handle (assigned by firmware)
|
|
* Context: Calling function should acquire ioc->sas_device_lock
|
|
*
|
|
* This searches for expander device based on handle, then returns the
|
|
* sas_node object.
|
|
*/
|
|
struct _sas_node *
|
|
mpt2sas_scsih_expander_find_by_handle(struct MPT2SAS_ADAPTER *ioc, u16 handle)
|
|
{
|
|
struct _sas_node *sas_expander, *r;
|
|
|
|
r = NULL;
|
|
list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) {
|
|
if (sas_expander->handle != handle)
|
|
continue;
|
|
r = sas_expander;
|
|
goto out;
|
|
}
|
|
out:
|
|
return r;
|
|
}
|
|
|
|
/**
|
|
* mpt2sas_scsih_expander_find_by_sas_address - expander device search
|
|
* @ioc: per adapter object
|
|
* @sas_address: sas address
|
|
* Context: Calling function should acquire ioc->sas_node_lock.
|
|
*
|
|
* This searches for expander device based on sas_address, then returns the
|
|
* sas_node object.
|
|
*/
|
|
struct _sas_node *
|
|
mpt2sas_scsih_expander_find_by_sas_address(struct MPT2SAS_ADAPTER *ioc,
|
|
u64 sas_address)
|
|
{
|
|
struct _sas_node *sas_expander, *r;
|
|
|
|
r = NULL;
|
|
list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) {
|
|
if (sas_expander->sas_address != sas_address)
|
|
continue;
|
|
r = sas_expander;
|
|
goto out;
|
|
}
|
|
out:
|
|
return r;
|
|
}
|
|
|
|
/**
|
|
* _scsih_expander_node_add - insert expander device to the list.
|
|
* @ioc: per adapter object
|
|
* @sas_expander: the sas_device object
|
|
* Context: This function will acquire ioc->sas_node_lock.
|
|
*
|
|
* Adding new object to the ioc->sas_expander_list.
|
|
*
|
|
* Return nothing.
|
|
*/
|
|
static void
|
|
_scsih_expander_node_add(struct MPT2SAS_ADAPTER *ioc,
|
|
struct _sas_node *sas_expander)
|
|
{
|
|
unsigned long flags;
|
|
|
|
spin_lock_irqsave(&ioc->sas_node_lock, flags);
|
|
list_add_tail(&sas_expander->list, &ioc->sas_expander_list);
|
|
spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
|
|
}
|
|
|
|
/**
|
|
* _scsih_is_end_device - determines if device is an end device
|
|
* @device_info: bitfield providing information about the device.
|
|
* Context: none
|
|
*
|
|
* Returns 1 if end device.
|
|
*/
|
|
static int
|
|
_scsih_is_end_device(u32 device_info)
|
|
{
|
|
if (device_info & MPI2_SAS_DEVICE_INFO_END_DEVICE &&
|
|
((device_info & MPI2_SAS_DEVICE_INFO_SSP_TARGET) |
|
|
(device_info & MPI2_SAS_DEVICE_INFO_STP_TARGET) |
|
|
(device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE)))
|
|
return 1;
|
|
else
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* _scsih_scsi_lookup_get - returns scmd entry
|
|
* @ioc: per adapter object
|
|
* @smid: system request message index
|
|
*
|
|
* Returns the smid stored scmd pointer.
|
|
*/
|
|
static struct scsi_cmnd *
|
|
_scsih_scsi_lookup_get(struct MPT2SAS_ADAPTER *ioc, u16 smid)
|
|
{
|
|
return ioc->scsi_lookup[smid - 1].scmd;
|
|
}
|
|
|
|
/**
|
|
* _scsih_scsi_lookup_get_clear - returns scmd entry
|
|
* @ioc: per adapter object
|
|
* @smid: system request message index
|
|
*
|
|
* Returns the smid stored scmd pointer.
|
|
* Then will derefrence the stored scmd pointer.
|
|
*/
|
|
static inline struct scsi_cmnd *
|
|
_scsih_scsi_lookup_get_clear(struct MPT2SAS_ADAPTER *ioc, u16 smid)
|
|
{
|
|
unsigned long flags;
|
|
struct scsi_cmnd *scmd;
|
|
|
|
spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
|
|
scmd = ioc->scsi_lookup[smid - 1].scmd;
|
|
ioc->scsi_lookup[smid - 1].scmd = NULL;
|
|
spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
|
|
|
|
return scmd;
|
|
}
|
|
|
|
/**
|
|
* _scsih_scsi_lookup_find_by_scmd - scmd lookup
|
|
* @ioc: per adapter object
|
|
* @smid: system request message index
|
|
* @scmd: pointer to scsi command object
|
|
* Context: This function will acquire ioc->scsi_lookup_lock.
|
|
*
|
|
* This will search for a scmd pointer in the scsi_lookup array,
|
|
* returning the revelent smid. A returned value of zero means invalid.
|
|
*/
|
|
static u16
|
|
_scsih_scsi_lookup_find_by_scmd(struct MPT2SAS_ADAPTER *ioc, struct scsi_cmnd
|
|
*scmd)
|
|
{
|
|
u16 smid;
|
|
unsigned long flags;
|
|
int i;
|
|
|
|
spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
|
|
smid = 0;
|
|
for (i = 0; i < ioc->scsiio_depth; i++) {
|
|
if (ioc->scsi_lookup[i].scmd == scmd) {
|
|
smid = ioc->scsi_lookup[i].smid;
|
|
goto out;
|
|
}
|
|
}
|
|
out:
|
|
spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
|
|
return smid;
|
|
}
|
|
|
|
/**
|
|
* _scsih_scsi_lookup_find_by_target - search for matching channel:id
|
|
* @ioc: per adapter object
|
|
* @id: target id
|
|
* @channel: channel
|
|
* Context: This function will acquire ioc->scsi_lookup_lock.
|
|
*
|
|
* This will search for a matching channel:id in the scsi_lookup array,
|
|
* returning 1 if found.
|
|
*/
|
|
static u8
|
|
_scsih_scsi_lookup_find_by_target(struct MPT2SAS_ADAPTER *ioc, int id,
|
|
int channel)
|
|
{
|
|
u8 found;
|
|
unsigned long flags;
|
|
int i;
|
|
|
|
spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
|
|
found = 0;
|
|
for (i = 0 ; i < ioc->scsiio_depth; i++) {
|
|
if (ioc->scsi_lookup[i].scmd &&
|
|
(ioc->scsi_lookup[i].scmd->device->id == id &&
|
|
ioc->scsi_lookup[i].scmd->device->channel == channel)) {
|
|
found = 1;
|
|
goto out;
|
|
}
|
|
}
|
|
out:
|
|
spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
|
|
return found;
|
|
}
|
|
|
|
/**
|
|
* _scsih_scsi_lookup_find_by_lun - search for matching channel:id:lun
|
|
* @ioc: per adapter object
|
|
* @id: target id
|
|
* @lun: lun number
|
|
* @channel: channel
|
|
* Context: This function will acquire ioc->scsi_lookup_lock.
|
|
*
|
|
* This will search for a matching channel:id:lun in the scsi_lookup array,
|
|
* returning 1 if found.
|
|
*/
|
|
static u8
|
|
_scsih_scsi_lookup_find_by_lun(struct MPT2SAS_ADAPTER *ioc, int id,
|
|
unsigned int lun, int channel)
|
|
{
|
|
u8 found;
|
|
unsigned long flags;
|
|
int i;
|
|
|
|
spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
|
|
found = 0;
|
|
for (i = 0 ; i < ioc->scsiio_depth; i++) {
|
|
if (ioc->scsi_lookup[i].scmd &&
|
|
(ioc->scsi_lookup[i].scmd->device->id == id &&
|
|
ioc->scsi_lookup[i].scmd->device->channel == channel &&
|
|
ioc->scsi_lookup[i].scmd->device->lun == lun)) {
|
|
found = 1;
|
|
goto out;
|
|
}
|
|
}
|
|
out:
|
|
spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
|
|
return found;
|
|
}
|
|
|
|
/**
|
|
* _scsih_get_chain_buffer_tracker - obtain chain tracker
|
|
* @ioc: per adapter object
|
|
* @smid: smid associated to an IO request
|
|
*
|
|
* Returns chain tracker(from ioc->free_chain_list)
|
|
*/
|
|
static struct chain_tracker *
|
|
_scsih_get_chain_buffer_tracker(struct MPT2SAS_ADAPTER *ioc, u16 smid)
|
|
{
|
|
struct chain_tracker *chain_req;
|
|
unsigned long flags;
|
|
|
|
spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
|
|
if (list_empty(&ioc->free_chain_list)) {
|
|
spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
|
|
printk(MPT2SAS_WARN_FMT "chain buffers not available\n",
|
|
ioc->name);
|
|
return NULL;
|
|
}
|
|
chain_req = list_entry(ioc->free_chain_list.next,
|
|
struct chain_tracker, tracker_list);
|
|
list_del_init(&chain_req->tracker_list);
|
|
list_add_tail(&chain_req->tracker_list,
|
|
&ioc->scsi_lookup[smid - 1].chain_list);
|
|
spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
|
|
return chain_req;
|
|
}
|
|
|
|
/**
|
|
* _scsih_build_scatter_gather - main sg creation routine
|
|
* @ioc: per adapter object
|
|
* @scmd: scsi command
|
|
* @smid: system request message index
|
|
* Context: none.
|
|
*
|
|
* The main routine that builds scatter gather table from a given
|
|
* scsi request sent via the .queuecommand main handler.
|
|
*
|
|
* Returns 0 success, anything else error
|
|
*/
|
|
static int
|
|
_scsih_build_scatter_gather(struct MPT2SAS_ADAPTER *ioc,
|
|
struct scsi_cmnd *scmd, u16 smid)
|
|
{
|
|
Mpi2SCSIIORequest_t *mpi_request;
|
|
dma_addr_t chain_dma;
|
|
struct scatterlist *sg_scmd;
|
|
void *sg_local, *chain;
|
|
u32 chain_offset;
|
|
u32 chain_length;
|
|
u32 chain_flags;
|
|
int sges_left;
|
|
u32 sges_in_segment;
|
|
u32 sgl_flags;
|
|
u32 sgl_flags_last_element;
|
|
u32 sgl_flags_end_buffer;
|
|
struct chain_tracker *chain_req;
|
|
|
|
mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
|
|
|
|
/* init scatter gather flags */
|
|
sgl_flags = MPI2_SGE_FLAGS_SIMPLE_ELEMENT;
|
|
if (scmd->sc_data_direction == DMA_TO_DEVICE)
|
|
sgl_flags |= MPI2_SGE_FLAGS_HOST_TO_IOC;
|
|
sgl_flags_last_element = (sgl_flags | MPI2_SGE_FLAGS_LAST_ELEMENT)
|
|
<< MPI2_SGE_FLAGS_SHIFT;
|
|
sgl_flags_end_buffer = (sgl_flags | MPI2_SGE_FLAGS_LAST_ELEMENT |
|
|
MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_END_OF_LIST)
|
|
<< MPI2_SGE_FLAGS_SHIFT;
|
|
sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT;
|
|
|
|
sg_scmd = scsi_sglist(scmd);
|
|
sges_left = scsi_dma_map(scmd);
|
|
if (sges_left < 0) {
|
|
sdev_printk(KERN_ERR, scmd->device, "pci_map_sg"
|
|
" failed: request for %d bytes!\n", scsi_bufflen(scmd));
|
|
return -ENOMEM;
|
|
}
|
|
|
|
sg_local = &mpi_request->SGL;
|
|
sges_in_segment = ioc->max_sges_in_main_message;
|
|
if (sges_left <= sges_in_segment)
|
|
goto fill_in_last_segment;
|
|
|
|
mpi_request->ChainOffset = (offsetof(Mpi2SCSIIORequest_t, SGL) +
|
|
(sges_in_segment * ioc->sge_size))/4;
|
|
|
|
/* fill in main message segment when there is a chain following */
|
|
while (sges_in_segment) {
|
|
if (sges_in_segment == 1)
|
|
ioc->base_add_sg_single(sg_local,
|
|
sgl_flags_last_element | sg_dma_len(sg_scmd),
|
|
sg_dma_address(sg_scmd));
|
|
else
|
|
ioc->base_add_sg_single(sg_local, sgl_flags |
|
|
sg_dma_len(sg_scmd), sg_dma_address(sg_scmd));
|
|
sg_scmd = sg_next(sg_scmd);
|
|
sg_local += ioc->sge_size;
|
|
sges_left--;
|
|
sges_in_segment--;
|
|
}
|
|
|
|
/* initializing the chain flags and pointers */
|
|
chain_flags = MPI2_SGE_FLAGS_CHAIN_ELEMENT << MPI2_SGE_FLAGS_SHIFT;
|
|
chain_req = _scsih_get_chain_buffer_tracker(ioc, smid);
|
|
if (!chain_req)
|
|
return -1;
|
|
chain = chain_req->chain_buffer;
|
|
chain_dma = chain_req->chain_buffer_dma;
|
|
do {
|
|
sges_in_segment = (sges_left <=
|
|
ioc->max_sges_in_chain_message) ? sges_left :
|
|
ioc->max_sges_in_chain_message;
|
|
chain_offset = (sges_left == sges_in_segment) ?
|
|
0 : (sges_in_segment * ioc->sge_size)/4;
|
|
chain_length = sges_in_segment * ioc->sge_size;
|
|
if (chain_offset) {
|
|
chain_offset = chain_offset <<
|
|
MPI2_SGE_CHAIN_OFFSET_SHIFT;
|
|
chain_length += ioc->sge_size;
|
|
}
|
|
ioc->base_add_sg_single(sg_local, chain_flags | chain_offset |
|
|
chain_length, chain_dma);
|
|
sg_local = chain;
|
|
if (!chain_offset)
|
|
goto fill_in_last_segment;
|
|
|
|
/* fill in chain segments */
|
|
while (sges_in_segment) {
|
|
if (sges_in_segment == 1)
|
|
ioc->base_add_sg_single(sg_local,
|
|
sgl_flags_last_element |
|
|
sg_dma_len(sg_scmd),
|
|
sg_dma_address(sg_scmd));
|
|
else
|
|
ioc->base_add_sg_single(sg_local, sgl_flags |
|
|
sg_dma_len(sg_scmd),
|
|
sg_dma_address(sg_scmd));
|
|
sg_scmd = sg_next(sg_scmd);
|
|
sg_local += ioc->sge_size;
|
|
sges_left--;
|
|
sges_in_segment--;
|
|
}
|
|
|
|
chain_req = _scsih_get_chain_buffer_tracker(ioc, smid);
|
|
if (!chain_req)
|
|
return -1;
|
|
chain = chain_req->chain_buffer;
|
|
chain_dma = chain_req->chain_buffer_dma;
|
|
} while (1);
|
|
|
|
|
|
fill_in_last_segment:
|
|
|
|
/* fill the last segment */
|
|
while (sges_left) {
|
|
if (sges_left == 1)
|
|
ioc->base_add_sg_single(sg_local, sgl_flags_end_buffer |
|
|
sg_dma_len(sg_scmd), sg_dma_address(sg_scmd));
|
|
else
|
|
ioc->base_add_sg_single(sg_local, sgl_flags |
|
|
sg_dma_len(sg_scmd), sg_dma_address(sg_scmd));
|
|
sg_scmd = sg_next(sg_scmd);
|
|
sg_local += ioc->sge_size;
|
|
sges_left--;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* _scsih_adjust_queue_depth - setting device queue depth
|
|
* @sdev: scsi device struct
|
|
* @qdepth: requested queue depth
|
|
*
|
|
*
|
|
* Returns nothing
|
|
*/
|
|
static void
|
|
_scsih_adjust_queue_depth(struct scsi_device *sdev, int qdepth)
|
|
{
|
|
struct Scsi_Host *shost = sdev->host;
|
|
int max_depth;
|
|
struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
|
|
struct MPT2SAS_DEVICE *sas_device_priv_data;
|
|
struct MPT2SAS_TARGET *sas_target_priv_data;
|
|
struct _sas_device *sas_device;
|
|
unsigned long flags;
|
|
|
|
max_depth = shost->can_queue;
|
|
|
|
/* limit max device queue for SATA to 32 */
|
|
sas_device_priv_data = sdev->hostdata;
|
|
if (!sas_device_priv_data)
|
|
goto not_sata;
|
|
sas_target_priv_data = sas_device_priv_data->sas_target;
|
|
if (!sas_target_priv_data)
|
|
goto not_sata;
|
|
if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME))
|
|
goto not_sata;
|
|
spin_lock_irqsave(&ioc->sas_device_lock, flags);
|
|
sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
|
|
sas_device_priv_data->sas_target->sas_address);
|
|
spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
|
|
if (sas_device && sas_device->device_info &
|
|
MPI2_SAS_DEVICE_INFO_SATA_DEVICE)
|
|
max_depth = MPT2SAS_SATA_QUEUE_DEPTH;
|
|
|
|
not_sata:
|
|
|
|
if (!sdev->tagged_supported)
|
|
max_depth = 1;
|
|
if (qdepth > max_depth)
|
|
qdepth = max_depth;
|
|
scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
|
|
}
|
|
|
|
/**
|
|
* _scsih_change_queue_depth - setting device queue depth
|
|
* @sdev: scsi device struct
|
|
* @qdepth: requested queue depth
|
|
* @reason: SCSI_QDEPTH_DEFAULT/SCSI_QDEPTH_QFULL/SCSI_QDEPTH_RAMP_UP
|
|
* (see include/scsi/scsi_host.h for definition)
|
|
*
|
|
* Returns queue depth.
|
|
*/
|
|
static int
|
|
_scsih_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason)
|
|
{
|
|
if (reason == SCSI_QDEPTH_DEFAULT || reason == SCSI_QDEPTH_RAMP_UP)
|
|
_scsih_adjust_queue_depth(sdev, qdepth);
|
|
else if (reason == SCSI_QDEPTH_QFULL)
|
|
scsi_track_queue_full(sdev, qdepth);
|
|
else
|
|
return -EOPNOTSUPP;
|
|
|
|
if (sdev->inquiry_len > 7)
|
|
sdev_printk(KERN_INFO, sdev, "qdepth(%d), tagged(%d), "
|
|
"simple(%d), ordered(%d), scsi_level(%d), cmd_que(%d)\n",
|
|
sdev->queue_depth, sdev->tagged_supported, sdev->simple_tags,
|
|
sdev->ordered_tags, sdev->scsi_level,
|
|
(sdev->inquiry[7] & 2) >> 1);
|
|
|
|
return sdev->queue_depth;
|
|
}
|
|
|
|
/**
|
|
* _scsih_change_queue_type - changing device queue tag type
|
|
* @sdev: scsi device struct
|
|
* @tag_type: requested tag type
|
|
*
|
|
* Returns queue tag type.
|
|
*/
|
|
static int
|
|
_scsih_change_queue_type(struct scsi_device *sdev, int tag_type)
|
|
{
|
|
if (sdev->tagged_supported) {
|
|
scsi_set_tag_type(sdev, tag_type);
|
|
if (tag_type)
|
|
scsi_activate_tcq(sdev, sdev->queue_depth);
|
|
else
|
|
scsi_deactivate_tcq(sdev, sdev->queue_depth);
|
|
} else
|
|
tag_type = 0;
|
|
|
|
return tag_type;
|
|
}
|
|
|
|
/**
|
|
* _scsih_target_alloc - target add routine
|
|
* @starget: scsi target struct
|
|
*
|
|
* Returns 0 if ok. Any other return is assumed to be an error and
|
|
* the device is ignored.
|
|
*/
|
|
static int
|
|
_scsih_target_alloc(struct scsi_target *starget)
|
|
{
|
|
struct Scsi_Host *shost = dev_to_shost(&starget->dev);
|
|
struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
|
|
struct MPT2SAS_TARGET *sas_target_priv_data;
|
|
struct _sas_device *sas_device;
|
|
struct _raid_device *raid_device;
|
|
unsigned long flags;
|
|
struct sas_rphy *rphy;
|
|
|
|
sas_target_priv_data = kzalloc(sizeof(struct scsi_target), GFP_KERNEL);
|
|
if (!sas_target_priv_data)
|
|
return -ENOMEM;
|
|
|
|
starget->hostdata = sas_target_priv_data;
|
|
sas_target_priv_data->starget = starget;
|
|
sas_target_priv_data->handle = MPT2SAS_INVALID_DEVICE_HANDLE;
|
|
|
|
/* RAID volumes */
|
|
if (starget->channel == RAID_CHANNEL) {
|
|
spin_lock_irqsave(&ioc->raid_device_lock, flags);
|
|
raid_device = _scsih_raid_device_find_by_id(ioc, starget->id,
|
|
starget->channel);
|
|
if (raid_device) {
|
|
sas_target_priv_data->handle = raid_device->handle;
|
|
sas_target_priv_data->sas_address = raid_device->wwid;
|
|
sas_target_priv_data->flags |= MPT_TARGET_FLAGS_VOLUME;
|
|
raid_device->starget = starget;
|
|
}
|
|
spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
|
|
return 0;
|
|
}
|
|
|
|
/* sas/sata devices */
|
|
spin_lock_irqsave(&ioc->sas_device_lock, flags);
|
|
rphy = dev_to_rphy(starget->dev.parent);
|
|
sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
|
|
rphy->identify.sas_address);
|
|
|
|
if (sas_device) {
|
|
sas_target_priv_data->handle = sas_device->handle;
|
|
sas_target_priv_data->sas_address = sas_device->sas_address;
|
|
sas_device->starget = starget;
|
|
sas_device->id = starget->id;
|
|
sas_device->channel = starget->channel;
|
|
if (test_bit(sas_device->handle, ioc->pd_handles))
|
|
sas_target_priv_data->flags |=
|
|
MPT_TARGET_FLAGS_RAID_COMPONENT;
|
|
}
|
|
spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* _scsih_target_destroy - target destroy routine
|
|
* @starget: scsi target struct
|
|
*
|
|
* Returns nothing.
|
|
*/
|
|
static void
|
|
_scsih_target_destroy(struct scsi_target *starget)
|
|
{
|
|
struct Scsi_Host *shost = dev_to_shost(&starget->dev);
|
|
struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
|
|
struct MPT2SAS_TARGET *sas_target_priv_data;
|
|
struct _sas_device *sas_device;
|
|
struct _raid_device *raid_device;
|
|
unsigned long flags;
|
|
struct sas_rphy *rphy;
|
|
|
|
sas_target_priv_data = starget->hostdata;
|
|
if (!sas_target_priv_data)
|
|
return;
|
|
|
|
if (starget->channel == RAID_CHANNEL) {
|
|
spin_lock_irqsave(&ioc->raid_device_lock, flags);
|
|
raid_device = _scsih_raid_device_find_by_id(ioc, starget->id,
|
|
starget->channel);
|
|
if (raid_device) {
|
|
raid_device->starget = NULL;
|
|
raid_device->sdev = NULL;
|
|
}
|
|
spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
|
|
goto out;
|
|
}
|
|
|
|
spin_lock_irqsave(&ioc->sas_device_lock, flags);
|
|
rphy = dev_to_rphy(starget->dev.parent);
|
|
sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
|
|
rphy->identify.sas_address);
|
|
if (sas_device && (sas_device->starget == starget) &&
|
|
(sas_device->id == starget->id) &&
|
|
(sas_device->channel == starget->channel))
|
|
sas_device->starget = NULL;
|
|
|
|
spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
|
|
|
|
out:
|
|
kfree(sas_target_priv_data);
|
|
starget->hostdata = NULL;
|
|
}
|
|
|
|
/**
|
|
* _scsih_slave_alloc - device add routine
|
|
* @sdev: scsi device struct
|
|
*
|
|
* Returns 0 if ok. Any other return is assumed to be an error and
|
|
* the device is ignored.
|
|
*/
|
|
static int
|
|
_scsih_slave_alloc(struct scsi_device *sdev)
|
|
{
|
|
struct Scsi_Host *shost;
|
|
struct MPT2SAS_ADAPTER *ioc;
|
|
struct MPT2SAS_TARGET *sas_target_priv_data;
|
|
struct MPT2SAS_DEVICE *sas_device_priv_data;
|
|
struct scsi_target *starget;
|
|
struct _raid_device *raid_device;
|
|
unsigned long flags;
|
|
|
|
sas_device_priv_data = kzalloc(sizeof(struct scsi_device), GFP_KERNEL);
|
|
if (!sas_device_priv_data)
|
|
return -ENOMEM;
|
|
|
|
sas_device_priv_data->lun = sdev->lun;
|
|
sas_device_priv_data->flags = MPT_DEVICE_FLAGS_INIT;
|
|
|
|
starget = scsi_target(sdev);
|
|
sas_target_priv_data = starget->hostdata;
|
|
sas_target_priv_data->num_luns++;
|
|
sas_device_priv_data->sas_target = sas_target_priv_data;
|
|
sdev->hostdata = sas_device_priv_data;
|
|
if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_RAID_COMPONENT))
|
|
sdev->no_uld_attach = 1;
|
|
|
|
shost = dev_to_shost(&starget->dev);
|
|
ioc = shost_priv(shost);
|
|
if (starget->channel == RAID_CHANNEL) {
|
|
spin_lock_irqsave(&ioc->raid_device_lock, flags);
|
|
raid_device = _scsih_raid_device_find_by_id(ioc,
|
|
starget->id, starget->channel);
|
|
if (raid_device)
|
|
raid_device->sdev = sdev; /* raid is single lun */
|
|
spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* _scsih_slave_destroy - device destroy routine
|
|
* @sdev: scsi device struct
|
|
*
|
|
* Returns nothing.
|
|
*/
|
|
static void
|
|
_scsih_slave_destroy(struct scsi_device *sdev)
|
|
{
|
|
struct MPT2SAS_TARGET *sas_target_priv_data;
|
|
struct scsi_target *starget;
|
|
|
|
if (!sdev->hostdata)
|
|
return;
|
|
|
|
starget = scsi_target(sdev);
|
|
sas_target_priv_data = starget->hostdata;
|
|
sas_target_priv_data->num_luns--;
|
|
kfree(sdev->hostdata);
|
|
sdev->hostdata = NULL;
|
|
}
|
|
|
|
/**
|
|
* _scsih_display_sata_capabilities - sata capabilities
|
|
* @ioc: per adapter object
|
|
* @sas_device: the sas_device object
|
|
* @sdev: scsi device struct
|
|
*/
|
|
static void
|
|
_scsih_display_sata_capabilities(struct MPT2SAS_ADAPTER *ioc,
|
|
struct _sas_device *sas_device, struct scsi_device *sdev)
|
|
{
|
|
Mpi2ConfigReply_t mpi_reply;
|
|
Mpi2SasDevicePage0_t sas_device_pg0;
|
|
u32 ioc_status;
|
|
u16 flags;
|
|
u32 device_info;
|
|
|
|
if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
|
|
MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, sas_device->handle))) {
|
|
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
|
|
ioc->name, __FILE__, __LINE__, __func__);
|
|
return;
|
|
}
|
|
|
|
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__);
|
|
return;
|
|
}
|
|
|
|
flags = le16_to_cpu(sas_device_pg0.Flags);
|
|
device_info = le32_to_cpu(sas_device_pg0.DeviceInfo);
|
|
|
|
sdev_printk(KERN_INFO, sdev,
|
|
"atapi(%s), ncq(%s), asyn_notify(%s), smart(%s), fua(%s), "
|
|
"sw_preserve(%s)\n",
|
|
(device_info & MPI2_SAS_DEVICE_INFO_ATAPI_DEVICE) ? "y" : "n",
|
|
(flags & MPI2_SAS_DEVICE0_FLAGS_SATA_NCQ_SUPPORTED) ? "y" : "n",
|
|
(flags & MPI2_SAS_DEVICE0_FLAGS_SATA_ASYNCHRONOUS_NOTIFY) ? "y" :
|
|
"n",
|
|
(flags & MPI2_SAS_DEVICE0_FLAGS_SATA_SMART_SUPPORTED) ? "y" : "n",
|
|
(flags & MPI2_SAS_DEVICE0_FLAGS_SATA_FUA_SUPPORTED) ? "y" : "n",
|
|
(flags & MPI2_SAS_DEVICE0_FLAGS_SATA_SW_PRESERVE) ? "y" : "n");
|
|
}
|
|
|
|
/**
|
|
* _scsih_is_raid - return boolean indicating device is raid volume
|
|
* @dev the device struct object
|
|
*/
|
|
static int
|
|
_scsih_is_raid(struct device *dev)
|
|
{
|
|
struct scsi_device *sdev = to_scsi_device(dev);
|
|
|
|
return (sdev->channel == RAID_CHANNEL) ? 1 : 0;
|
|
}
|
|
|
|
/**
|
|
* _scsih_get_resync - get raid volume resync percent complete
|
|
* @dev the device struct object
|
|
*/
|
|
static void
|
|
_scsih_get_resync(struct device *dev)
|
|
{
|
|
struct scsi_device *sdev = to_scsi_device(dev);
|
|
struct MPT2SAS_ADAPTER *ioc = shost_priv(sdev->host);
|
|
static struct _raid_device *raid_device;
|
|
unsigned long flags;
|
|
Mpi2RaidVolPage0_t vol_pg0;
|
|
Mpi2ConfigReply_t mpi_reply;
|
|
u32 volume_status_flags;
|
|
u8 percent_complete = 0;
|
|
|
|
spin_lock_irqsave(&ioc->raid_device_lock, flags);
|
|
raid_device = _scsih_raid_device_find_by_id(ioc, sdev->id,
|
|
sdev->channel);
|
|
spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
|
|
|
|
if (!raid_device)
|
|
goto out;
|
|
|
|
if (mpt2sas_config_get_raid_volume_pg0(ioc, &mpi_reply, &vol_pg0,
|
|
MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, raid_device->handle,
|
|
sizeof(Mpi2RaidVolPage0_t))) {
|
|
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
|
|
ioc->name, __FILE__, __LINE__, __func__);
|
|
goto out;
|
|
}
|
|
|
|
volume_status_flags = le32_to_cpu(vol_pg0.VolumeStatusFlags);
|
|
if (volume_status_flags & MPI2_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS)
|
|
percent_complete = raid_device->percent_complete;
|
|
out:
|
|
raid_set_resync(mpt2sas_raid_template, dev, percent_complete);
|
|
}
|
|
|
|
/**
|
|
* _scsih_get_state - get raid volume level
|
|
* @dev the device struct object
|
|
*/
|
|
static void
|
|
_scsih_get_state(struct device *dev)
|
|
{
|
|
struct scsi_device *sdev = to_scsi_device(dev);
|
|
struct MPT2SAS_ADAPTER *ioc = shost_priv(sdev->host);
|
|
static struct _raid_device *raid_device;
|
|
unsigned long flags;
|
|
Mpi2RaidVolPage0_t vol_pg0;
|
|
Mpi2ConfigReply_t mpi_reply;
|
|
u32 volstate;
|
|
enum raid_state state = RAID_STATE_UNKNOWN;
|
|
|
|
spin_lock_irqsave(&ioc->raid_device_lock, flags);
|
|
raid_device = _scsih_raid_device_find_by_id(ioc, sdev->id,
|
|
sdev->channel);
|
|
spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
|
|
|
|
if (!raid_device)
|
|
goto out;
|
|
|
|
if (mpt2sas_config_get_raid_volume_pg0(ioc, &mpi_reply, &vol_pg0,
|
|
MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, raid_device->handle,
|
|
sizeof(Mpi2RaidVolPage0_t))) {
|
|
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
|
|
ioc->name, __FILE__, __LINE__, __func__);
|
|
goto out;
|
|
}
|
|
|
|
volstate = le32_to_cpu(vol_pg0.VolumeStatusFlags);
|
|
if (volstate & MPI2_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS) {
|
|
state = RAID_STATE_RESYNCING;
|
|
goto out;
|
|
}
|
|
|
|
switch (vol_pg0.VolumeState) {
|
|
case MPI2_RAID_VOL_STATE_OPTIMAL:
|
|
case MPI2_RAID_VOL_STATE_ONLINE:
|
|
state = RAID_STATE_ACTIVE;
|
|
break;
|
|
case MPI2_RAID_VOL_STATE_DEGRADED:
|
|
state = RAID_STATE_DEGRADED;
|
|
break;
|
|
case MPI2_RAID_VOL_STATE_FAILED:
|
|
case MPI2_RAID_VOL_STATE_MISSING:
|
|
state = RAID_STATE_OFFLINE;
|
|
break;
|
|
}
|
|
out:
|
|
raid_set_state(mpt2sas_raid_template, dev, state);
|
|
}
|
|
|
|
/**
|
|
* _scsih_set_level - set raid level
|
|
* @sdev: scsi device struct
|
|
* @raid_device: raid_device object
|
|
*/
|
|
static void
|
|
_scsih_set_level(struct scsi_device *sdev, struct _raid_device *raid_device)
|
|
{
|
|
enum raid_level level = RAID_LEVEL_UNKNOWN;
|
|
|
|
switch (raid_device->volume_type) {
|
|
case MPI2_RAID_VOL_TYPE_RAID0:
|
|
level = RAID_LEVEL_0;
|
|
break;
|
|
case MPI2_RAID_VOL_TYPE_RAID10:
|
|
level = RAID_LEVEL_10;
|
|
break;
|
|
case MPI2_RAID_VOL_TYPE_RAID1E:
|
|
level = RAID_LEVEL_1E;
|
|
break;
|
|
case MPI2_RAID_VOL_TYPE_RAID1:
|
|
level = RAID_LEVEL_1;
|
|
break;
|
|
}
|
|
|
|
raid_set_level(mpt2sas_raid_template, &sdev->sdev_gendev, level);
|
|
}
|
|
|
|
/**
|
|
* _scsih_get_volume_capabilities - volume capabilities
|
|
* @ioc: per adapter object
|
|
* @sas_device: the raid_device object
|
|
*/
|
|
static void
|
|
_scsih_get_volume_capabilities(struct MPT2SAS_ADAPTER *ioc,
|
|
struct _raid_device *raid_device)
|
|
{
|
|
Mpi2RaidVolPage0_t *vol_pg0;
|
|
Mpi2RaidPhysDiskPage0_t pd_pg0;
|
|
Mpi2SasDevicePage0_t sas_device_pg0;
|
|
Mpi2ConfigReply_t mpi_reply;
|
|
u16 sz;
|
|
u8 num_pds;
|
|
|
|
if ((mpt2sas_config_get_number_pds(ioc, raid_device->handle,
|
|
&num_pds)) || !num_pds) {
|
|
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
|
|
ioc->name, __FILE__, __LINE__, __func__);
|
|
return;
|
|
}
|
|
|
|
raid_device->num_pds = num_pds;
|
|
sz = offsetof(Mpi2RaidVolPage0_t, PhysDisk) + (num_pds *
|
|
sizeof(Mpi2RaidVol0PhysDisk_t));
|
|
vol_pg0 = kzalloc(sz, GFP_KERNEL);
|
|
if (!vol_pg0) {
|
|
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
|
|
ioc->name, __FILE__, __LINE__, __func__);
|
|
return;
|
|
}
|
|
|
|
if ((mpt2sas_config_get_raid_volume_pg0(ioc, &mpi_reply, vol_pg0,
|
|
MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, raid_device->handle, sz))) {
|
|
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
|
|
ioc->name, __FILE__, __LINE__, __func__);
|
|
kfree(vol_pg0);
|
|
return;
|
|
}
|
|
|
|
raid_device->volume_type = vol_pg0->VolumeType;
|
|
|
|
/* figure out what the underlying devices are by
|
|
* obtaining the device_info bits for the 1st device
|
|
*/
|
|
if (!(mpt2sas_config_get_phys_disk_pg0(ioc, &mpi_reply,
|
|
&pd_pg0, MPI2_PHYSDISK_PGAD_FORM_PHYSDISKNUM,
|
|
vol_pg0->PhysDisk[0].PhysDiskNum))) {
|
|
if (!(mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply,
|
|
&sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE,
|
|
le16_to_cpu(pd_pg0.DevHandle)))) {
|
|
raid_device->device_info =
|
|
le32_to_cpu(sas_device_pg0.DeviceInfo);
|
|
}
|
|
}
|
|
|
|
kfree(vol_pg0);
|
|
}
|
|
|
|
/**
|
|
* _scsih_enable_tlr - setting TLR flags
|
|
* @ioc: per adapter object
|
|
* @sdev: scsi device struct
|
|
*
|
|
* Enabling Transaction Layer Retries for tape devices when
|
|
* vpd page 0x90 is present
|
|
*
|
|
*/
|
|
static void
|
|
_scsih_enable_tlr(struct MPT2SAS_ADAPTER *ioc, struct scsi_device *sdev)
|
|
{
|
|
/* only for TAPE */
|
|
if (sdev->type != TYPE_TAPE)
|
|
return;
|
|
|
|
if (!(ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_TLR))
|
|
return;
|
|
|
|
sas_enable_tlr(sdev);
|
|
sdev_printk(KERN_INFO, sdev, "TLR %s\n",
|
|
sas_is_tlr_enabled(sdev) ? "Enabled" : "Disabled");
|
|
return;
|
|
|
|
}
|
|
|
|
/**
|
|
* _scsih_slave_configure - device configure routine.
|
|
* @sdev: scsi device struct
|
|
*
|
|
* Returns 0 if ok. Any other return is assumed to be an error and
|
|
* the device is ignored.
|
|
*/
|
|
static int
|
|
_scsih_slave_configure(struct scsi_device *sdev)
|
|
{
|
|
struct Scsi_Host *shost = sdev->host;
|
|
struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
|
|
struct MPT2SAS_DEVICE *sas_device_priv_data;
|
|
struct MPT2SAS_TARGET *sas_target_priv_data;
|
|
struct _sas_device *sas_device;
|
|
struct _raid_device *raid_device;
|
|
unsigned long flags;
|
|
int qdepth;
|
|
u8 ssp_target = 0;
|
|
char *ds = "";
|
|
char *r_level = "";
|
|
|
|
qdepth = 1;
|
|
sas_device_priv_data = sdev->hostdata;
|
|
sas_device_priv_data->configured_lun = 1;
|
|
sas_device_priv_data->flags &= ~MPT_DEVICE_FLAGS_INIT;
|
|
sas_target_priv_data = sas_device_priv_data->sas_target;
|
|
|
|
/* raid volume handling */
|
|
if (sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME) {
|
|
|
|
spin_lock_irqsave(&ioc->raid_device_lock, flags);
|
|
raid_device = _scsih_raid_device_find_by_handle(ioc,
|
|
sas_target_priv_data->handle);
|
|
spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
|
|
if (!raid_device) {
|
|
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
|
|
ioc->name, __FILE__, __LINE__, __func__);
|
|
return 0;
|
|
}
|
|
|
|
_scsih_get_volume_capabilities(ioc, raid_device);
|
|
|
|
/* RAID Queue Depth Support
|
|
* IS volume = underlying qdepth of drive type, either
|
|
* MPT2SAS_SAS_QUEUE_DEPTH or MPT2SAS_SATA_QUEUE_DEPTH
|
|
* IM/IME/R10 = 128 (MPT2SAS_RAID_QUEUE_DEPTH)
|
|
*/
|
|
if (raid_device->device_info &
|
|
MPI2_SAS_DEVICE_INFO_SSP_TARGET) {
|
|
qdepth = MPT2SAS_SAS_QUEUE_DEPTH;
|
|
ds = "SSP";
|
|
} else {
|
|
qdepth = MPT2SAS_SATA_QUEUE_DEPTH;
|
|
if (raid_device->device_info &
|
|
MPI2_SAS_DEVICE_INFO_SATA_DEVICE)
|
|
ds = "SATA";
|
|
else
|
|
ds = "STP";
|
|
}
|
|
|
|
switch (raid_device->volume_type) {
|
|
case MPI2_RAID_VOL_TYPE_RAID0:
|
|
r_level = "RAID0";
|
|
break;
|
|
case MPI2_RAID_VOL_TYPE_RAID1E:
|
|
qdepth = MPT2SAS_RAID_QUEUE_DEPTH;
|
|
if (ioc->manu_pg10.OEMIdentifier &&
|
|
(ioc->manu_pg10.GenericFlags0 &
|
|
MFG10_GF0_R10_DISPLAY) &&
|
|
!(raid_device->num_pds % 2))
|
|
r_level = "RAID10";
|
|
else
|
|
r_level = "RAID1E";
|
|
break;
|
|
case MPI2_RAID_VOL_TYPE_RAID1:
|
|
qdepth = MPT2SAS_RAID_QUEUE_DEPTH;
|
|
r_level = "RAID1";
|
|
break;
|
|
case MPI2_RAID_VOL_TYPE_RAID10:
|
|
qdepth = MPT2SAS_RAID_QUEUE_DEPTH;
|
|
r_level = "RAID10";
|
|
break;
|
|
case MPI2_RAID_VOL_TYPE_UNKNOWN:
|
|
default:
|
|
qdepth = MPT2SAS_RAID_QUEUE_DEPTH;
|
|
r_level = "RAIDX";
|
|
break;
|
|
}
|
|
|
|
sdev_printk(KERN_INFO, sdev, "%s: "
|
|
"handle(0x%04x), wwid(0x%016llx), pd_count(%d), type(%s)\n",
|
|
r_level, raid_device->handle,
|
|
(unsigned long long)raid_device->wwid,
|
|
raid_device->num_pds, ds);
|
|
_scsih_change_queue_depth(sdev, qdepth, SCSI_QDEPTH_DEFAULT);
|
|
/* raid transport support */
|
|
_scsih_set_level(sdev, raid_device);
|
|
return 0;
|
|
}
|
|
|
|
/* non-raid handling */
|
|
spin_lock_irqsave(&ioc->sas_device_lock, flags);
|
|
sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
|
|
sas_device_priv_data->sas_target->sas_address);
|
|
spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
|
|
if (sas_device) {
|
|
if (sas_target_priv_data->flags &
|
|
MPT_TARGET_FLAGS_RAID_COMPONENT) {
|
|
mpt2sas_config_get_volume_handle(ioc,
|
|
sas_device->handle, &sas_device->volume_handle);
|
|
mpt2sas_config_get_volume_wwid(ioc,
|
|
sas_device->volume_handle,
|
|
&sas_device->volume_wwid);
|
|
}
|
|
if (sas_device->device_info & MPI2_SAS_DEVICE_INFO_SSP_TARGET) {
|
|
qdepth = MPT2SAS_SAS_QUEUE_DEPTH;
|
|
ssp_target = 1;
|
|
ds = "SSP";
|
|
} else {
|
|
qdepth = MPT2SAS_SATA_QUEUE_DEPTH;
|
|
if (sas_device->device_info &
|
|
MPI2_SAS_DEVICE_INFO_STP_TARGET)
|
|
ds = "STP";
|
|
else if (sas_device->device_info &
|
|
MPI2_SAS_DEVICE_INFO_SATA_DEVICE)
|
|
ds = "SATA";
|
|
}
|
|
|
|
sdev_printk(KERN_INFO, sdev, "%s: handle(0x%04x), "
|
|
"sas_addr(0x%016llx), phy(%d), device_name(0x%016llx)\n",
|
|
ds, sas_device->handle,
|
|
(unsigned long long)sas_device->sas_address,
|
|
sas_device->phy,
|
|
(unsigned long long)sas_device->device_name);
|
|
sdev_printk(KERN_INFO, sdev, "%s: "
|
|
"enclosure_logical_id(0x%016llx), slot(%d)\n", ds,
|
|
(unsigned long long) sas_device->enclosure_logical_id,
|
|
sas_device->slot);
|
|
|
|
if (!ssp_target)
|
|
_scsih_display_sata_capabilities(ioc, sas_device, sdev);
|
|
}
|
|
|
|
_scsih_change_queue_depth(sdev, qdepth, SCSI_QDEPTH_DEFAULT);
|
|
|
|
if (ssp_target) {
|
|
sas_read_port_mode_page(sdev);
|
|
_scsih_enable_tlr(ioc, sdev);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* _scsih_bios_param - fetch head, sector, cylinder info for a disk
|
|
* @sdev: scsi device struct
|
|
* @bdev: pointer to block device context
|
|
* @capacity: device size (in 512 byte sectors)
|
|
* @params: three element array to place output:
|
|
* params[0] number of heads (max 255)
|
|
* params[1] number of sectors (max 63)
|
|
* params[2] number of cylinders
|
|
*
|
|
* Return nothing.
|
|
*/
|
|
static int
|
|
_scsih_bios_param(struct scsi_device *sdev, struct block_device *bdev,
|
|
sector_t capacity, int params[])
|
|
{
|
|
int heads;
|
|
int sectors;
|
|
sector_t cylinders;
|
|
ulong dummy;
|
|
|
|
heads = 64;
|
|
sectors = 32;
|
|
|
|
dummy = heads * sectors;
|
|
cylinders = capacity;
|
|
sector_div(cylinders, dummy);
|
|
|
|
/*
|
|
* Handle extended translation size for logical drives
|
|
* > 1Gb
|
|
*/
|
|
if ((ulong)capacity >= 0x200000) {
|
|
heads = 255;
|
|
sectors = 63;
|
|
dummy = heads * sectors;
|
|
cylinders = capacity;
|
|
sector_div(cylinders, dummy);
|
|
}
|
|
|
|
/* return result */
|
|
params[0] = heads;
|
|
params[1] = sectors;
|
|
params[2] = cylinders;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* _scsih_response_code - translation of device response code
|
|
* @ioc: per adapter object
|
|
* @response_code: response code returned by the device
|
|
*
|
|
* Return nothing.
|
|
*/
|
|
static void
|
|
_scsih_response_code(struct MPT2SAS_ADAPTER *ioc, u8 response_code)
|
|
{
|
|
char *desc;
|
|
|
|
switch (response_code) {
|
|
case MPI2_SCSITASKMGMT_RSP_TM_COMPLETE:
|
|
desc = "task management request completed";
|
|
break;
|
|
case MPI2_SCSITASKMGMT_RSP_INVALID_FRAME:
|
|
desc = "invalid frame";
|
|
break;
|
|
case MPI2_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED:
|
|
desc = "task management request not supported";
|
|
break;
|
|
case MPI2_SCSITASKMGMT_RSP_TM_FAILED:
|
|
desc = "task management request failed";
|
|
break;
|
|
case MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED:
|
|
desc = "task management request succeeded";
|
|
break;
|
|
case MPI2_SCSITASKMGMT_RSP_TM_INVALID_LUN:
|
|
desc = "invalid lun";
|
|
break;
|
|
case 0xA:
|
|
desc = "overlapped tag attempted";
|
|
break;
|
|
case MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC:
|
|
desc = "task queued, however not sent to target";
|
|
break;
|
|
default:
|
|
desc = "unknown";
|
|
break;
|
|
}
|
|
printk(MPT2SAS_WARN_FMT "response_code(0x%01x): %s\n",
|
|
ioc->name, response_code, desc);
|
|
}
|
|
|
|
/**
|
|
* _scsih_tm_done - tm completion routine
|
|
* @ioc: per adapter object
|
|
* @smid: system request message index
|
|
* @msix_index: MSIX table index supplied by the OS
|
|
* @reply: reply message frame(lower 32bit addr)
|
|
* Context: none.
|
|
*
|
|
* The callback handler when using scsih_issue_tm.
|
|
*
|
|
* Return 1 meaning mf should be freed from _base_interrupt
|
|
* 0 means the mf is freed from this function.
|
|
*/
|
|
static u8
|
|
_scsih_tm_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply)
|
|
{
|
|
MPI2DefaultReply_t *mpi_reply;
|
|
|
|
if (ioc->tm_cmds.status == MPT2_CMD_NOT_USED)
|
|
return 1;
|
|
if (ioc->tm_cmds.smid != smid)
|
|
return 1;
|
|
ioc->tm_cmds.status |= MPT2_CMD_COMPLETE;
|
|
mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply);
|
|
if (mpi_reply) {
|
|
memcpy(ioc->tm_cmds.reply, mpi_reply, mpi_reply->MsgLength*4);
|
|
ioc->tm_cmds.status |= MPT2_CMD_REPLY_VALID;
|
|
}
|
|
ioc->tm_cmds.status &= ~MPT2_CMD_PENDING;
|
|
complete(&ioc->tm_cmds.done);
|
|
return 1;
|
|
}
|
|
|
|
/**
|
|
* mpt2sas_scsih_set_tm_flag - set per target tm_busy
|
|
* @ioc: per adapter object
|
|
* @handle: device handle
|
|
*
|
|
* During taskmangement request, we need to freeze the device queue.
|
|
*/
|
|
void
|
|
mpt2sas_scsih_set_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle)
|
|
{
|
|
struct MPT2SAS_DEVICE *sas_device_priv_data;
|
|
struct scsi_device *sdev;
|
|
u8 skip = 0;
|
|
|
|
shost_for_each_device(sdev, ioc->shost) {
|
|
if (skip)
|
|
continue;
|
|
sas_device_priv_data = sdev->hostdata;
|
|
if (!sas_device_priv_data)
|
|
continue;
|
|
if (sas_device_priv_data->sas_target->handle == handle) {
|
|
sas_device_priv_data->sas_target->tm_busy = 1;
|
|
skip = 1;
|
|
ioc->ignore_loginfos = 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* mpt2sas_scsih_clear_tm_flag - clear per target tm_busy
|
|
* @ioc: per adapter object
|
|
* @handle: device handle
|
|
*
|
|
* During taskmangement request, we need to freeze the device queue.
|
|
*/
|
|
void
|
|
mpt2sas_scsih_clear_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle)
|
|
{
|
|
struct MPT2SAS_DEVICE *sas_device_priv_data;
|
|
struct scsi_device *sdev;
|
|
u8 skip = 0;
|
|
|
|
shost_for_each_device(sdev, ioc->shost) {
|
|
if (skip)
|
|
continue;
|
|
sas_device_priv_data = sdev->hostdata;
|
|
if (!sas_device_priv_data)
|
|
continue;
|
|
if (sas_device_priv_data->sas_target->handle == handle) {
|
|
sas_device_priv_data->sas_target->tm_busy = 0;
|
|
skip = 1;
|
|
ioc->ignore_loginfos = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* mpt2sas_scsih_issue_tm - main routine for sending tm requests
|
|
* @ioc: per adapter struct
|
|
* @device_handle: device handle
|
|
* @channel: the channel assigned by the OS
|
|
* @id: the id assigned by the OS
|
|
* @lun: lun number
|
|
* @type: MPI2_SCSITASKMGMT_TASKTYPE__XXX (defined in mpi2_init.h)
|
|
* @smid_task: smid assigned to the task
|
|
* @timeout: timeout in seconds
|
|
* Context: user
|
|
*
|
|
* A generic API for sending task management requests to firmware.
|
|
*
|
|
* The callback index is set inside `ioc->tm_cb_idx`.
|
|
*
|
|
* Return SUCCESS or FAILED.
|
|
*/
|
|
int
|
|
mpt2sas_scsih_issue_tm(struct MPT2SAS_ADAPTER *ioc, u16 handle, uint channel,
|
|
uint id, uint lun, u8 type, u16 smid_task, ulong timeout,
|
|
struct scsi_cmnd *scmd)
|
|
{
|
|
Mpi2SCSITaskManagementRequest_t *mpi_request;
|
|
Mpi2SCSITaskManagementReply_t *mpi_reply;
|
|
u16 smid = 0;
|
|
u32 ioc_state;
|
|
unsigned long timeleft;
|
|
struct scsi_cmnd *scmd_lookup;
|
|
int rc;
|
|
|
|
mutex_lock(&ioc->tm_cmds.mutex);
|
|
if (ioc->tm_cmds.status != MPT2_CMD_NOT_USED) {
|
|
printk(MPT2SAS_INFO_FMT "%s: tm_cmd busy!!!\n",
|
|
__func__, ioc->name);
|
|
rc = FAILED;
|
|
goto err_out;
|
|
}
|
|
|
|
if (ioc->shost_recovery || ioc->remove_host ||
|
|
ioc->pci_error_recovery) {
|
|
printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n",
|
|
__func__, ioc->name);
|
|
rc = FAILED;
|
|
goto err_out;
|
|
}
|
|
|
|
ioc_state = mpt2sas_base_get_iocstate(ioc, 0);
|
|
if (ioc_state & MPI2_DOORBELL_USED) {
|
|
dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "unexpected doorbell "
|
|
"active!\n", ioc->name));
|
|
mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
|
|
FORCE_BIG_HAMMER);
|
|
rc = SUCCESS;
|
|
goto err_out;
|
|
}
|
|
|
|
if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) {
|
|
mpt2sas_base_fault_info(ioc, ioc_state &
|
|
MPI2_DOORBELL_DATA_MASK);
|
|
mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
|
|
FORCE_BIG_HAMMER);
|
|
rc = SUCCESS;
|
|
goto err_out;
|
|
}
|
|
|
|
smid = mpt2sas_base_get_smid_hpr(ioc, ioc->tm_cb_idx);
|
|
if (!smid) {
|
|
printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
|
|
ioc->name, __func__);
|
|
rc = FAILED;
|
|
goto err_out;
|
|
}
|
|
|
|
dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "sending tm: handle(0x%04x),"
|
|
" task_type(0x%02x), smid(%d)\n", ioc->name, handle, type,
|
|
smid_task));
|
|
ioc->tm_cmds.status = MPT2_CMD_PENDING;
|
|
mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
|
|
ioc->tm_cmds.smid = smid;
|
|
memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t));
|
|
mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
|
|
mpi_request->DevHandle = cpu_to_le16(handle);
|
|
mpi_request->TaskType = type;
|
|
mpi_request->TaskMID = cpu_to_le16(smid_task);
|
|
int_to_scsilun(lun, (struct scsi_lun *)mpi_request->LUN);
|
|
mpt2sas_scsih_set_tm_flag(ioc, handle);
|
|
init_completion(&ioc->tm_cmds.done);
|
|
mpt2sas_base_put_smid_hi_priority(ioc, smid);
|
|
timeleft = wait_for_completion_timeout(&ioc->tm_cmds.done, timeout*HZ);
|
|
if (!(ioc->tm_cmds.status & MPT2_CMD_COMPLETE)) {
|
|
printk(MPT2SAS_ERR_FMT "%s: timeout\n",
|
|
ioc->name, __func__);
|
|
_debug_dump_mf(mpi_request,
|
|
sizeof(Mpi2SCSITaskManagementRequest_t)/4);
|
|
if (!(ioc->tm_cmds.status & MPT2_CMD_RESET)) {
|
|
mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
|
|
FORCE_BIG_HAMMER);
|
|
rc = SUCCESS;
|
|
ioc->tm_cmds.status = MPT2_CMD_NOT_USED;
|
|
mpt2sas_scsih_clear_tm_flag(ioc, handle);
|
|
goto err_out;
|
|
}
|
|
}
|
|
|
|
if (ioc->tm_cmds.status & MPT2_CMD_REPLY_VALID) {
|
|
mpi_reply = ioc->tm_cmds.reply;
|
|
dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "complete tm: "
|
|
"ioc_status(0x%04x), loginfo(0x%08x), term_count(0x%08x)\n",
|
|
ioc->name, le16_to_cpu(mpi_reply->IOCStatus),
|
|
le32_to_cpu(mpi_reply->IOCLogInfo),
|
|
le32_to_cpu(mpi_reply->TerminationCount)));
|
|
if (ioc->logging_level & MPT_DEBUG_TM) {
|
|
_scsih_response_code(ioc, mpi_reply->ResponseCode);
|
|
if (mpi_reply->IOCStatus)
|
|
_debug_dump_mf(mpi_request,
|
|
sizeof(Mpi2SCSITaskManagementRequest_t)/4);
|
|
}
|
|
}
|
|
|
|
/* sanity check:
|
|
* Check to see the commands were terminated.
|
|
* This is only needed for eh callbacks, hence the scmd check.
|
|
*/
|
|
rc = FAILED;
|
|
if (scmd == NULL)
|
|
goto bypass_sanity_checks;
|
|
switch (type) {
|
|
case MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK:
|
|
scmd_lookup = _scsih_scsi_lookup_get(ioc, smid_task);
|
|
if (scmd_lookup && (scmd_lookup->serial_number ==
|
|
scmd->serial_number))
|
|
rc = FAILED;
|
|
else
|
|
rc = SUCCESS;
|
|
break;
|
|
|
|
case MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET:
|
|
if (_scsih_scsi_lookup_find_by_target(ioc, id, channel))
|
|
rc = FAILED;
|
|
else
|
|
rc = SUCCESS;
|
|
break;
|
|
|
|
case MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET:
|
|
if (_scsih_scsi_lookup_find_by_lun(ioc, id, lun, channel))
|
|
rc = FAILED;
|
|
else
|
|
rc = SUCCESS;
|
|
break;
|
|
}
|
|
|
|
bypass_sanity_checks:
|
|
|
|
mpt2sas_scsih_clear_tm_flag(ioc, handle);
|
|
ioc->tm_cmds.status = MPT2_CMD_NOT_USED;
|
|
mutex_unlock(&ioc->tm_cmds.mutex);
|
|
|
|
return rc;
|
|
|
|
err_out:
|
|
mutex_unlock(&ioc->tm_cmds.mutex);
|
|
return rc;
|
|
}
|
|
|
|
/**
|
|
* _scsih_tm_display_info - displays info about the device
|
|
* @ioc: per adapter struct
|
|
* @scmd: pointer to scsi command object
|
|
*
|
|
* Called by task management callback handlers.
|
|
*/
|
|
static void
|
|
_scsih_tm_display_info(struct MPT2SAS_ADAPTER *ioc, struct scsi_cmnd *scmd)
|
|
{
|
|
struct scsi_target *starget = scmd->device->sdev_target;
|
|
struct MPT2SAS_TARGET *priv_target = starget->hostdata;
|
|
struct _sas_device *sas_device = NULL;
|
|
unsigned long flags;
|
|
|
|
if (!priv_target)
|
|
return;
|
|
|
|
scsi_print_command(scmd);
|
|
if (priv_target->flags & MPT_TARGET_FLAGS_VOLUME) {
|
|
starget_printk(KERN_INFO, starget, "volume handle(0x%04x), "
|
|
"volume wwid(0x%016llx)\n",
|
|
priv_target->handle,
|
|
(unsigned long long)priv_target->sas_address);
|
|
} else {
|
|
spin_lock_irqsave(&ioc->sas_device_lock, flags);
|
|
sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
|
|
priv_target->sas_address);
|
|
if (sas_device) {
|
|
if (priv_target->flags &
|
|
MPT_TARGET_FLAGS_RAID_COMPONENT) {
|
|
starget_printk(KERN_INFO, starget,
|
|
"volume handle(0x%04x), "
|
|
"volume wwid(0x%016llx)\n",
|
|
sas_device->volume_handle,
|
|
(unsigned long long)sas_device->volume_wwid);
|
|
}
|
|
starget_printk(KERN_INFO, starget,
|
|
"handle(0x%04x), sas_address(0x%016llx), phy(%d)\n",
|
|
sas_device->handle,
|
|
(unsigned long long)sas_device->sas_address,
|
|
sas_device->phy);
|
|
starget_printk(KERN_INFO, starget,
|
|
"enclosure_logical_id(0x%016llx), slot(%d)\n",
|
|
(unsigned long long)sas_device->enclosure_logical_id,
|
|
sas_device->slot);
|
|
}
|
|
spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* _scsih_abort - eh threads main abort routine
|
|
* @scmd: pointer to scsi command object
|
|
*
|
|
* Returns SUCCESS if command aborted else FAILED
|
|
*/
|
|
static int
|
|
_scsih_abort(struct scsi_cmnd *scmd)
|
|
{
|
|
struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
|
|
struct MPT2SAS_DEVICE *sas_device_priv_data;
|
|
u16 smid;
|
|
u16 handle;
|
|
int r;
|
|
|
|
sdev_printk(KERN_INFO, scmd->device, "attempting task abort! "
|
|
"scmd(%p)\n", scmd);
|
|
_scsih_tm_display_info(ioc, scmd);
|
|
|
|
sas_device_priv_data = scmd->device->hostdata;
|
|
if (!sas_device_priv_data || !sas_device_priv_data->sas_target) {
|
|
sdev_printk(KERN_INFO, scmd->device, "device been deleted! "
|
|
"scmd(%p)\n", scmd);
|
|
scmd->result = DID_NO_CONNECT << 16;
|
|
scmd->scsi_done(scmd);
|
|
r = SUCCESS;
|
|
goto out;
|
|
}
|
|
|
|
/* search for the command */
|
|
smid = _scsih_scsi_lookup_find_by_scmd(ioc, scmd);
|
|
if (!smid) {
|
|
scmd->result = DID_RESET << 16;
|
|
r = SUCCESS;
|
|
goto out;
|
|
}
|
|
|
|
/* for hidden raid components and volumes this is not supported */
|
|
if (sas_device_priv_data->sas_target->flags &
|
|
MPT_TARGET_FLAGS_RAID_COMPONENT ||
|
|
sas_device_priv_data->sas_target->flags & MPT_TARGET_FLAGS_VOLUME) {
|
|
scmd->result = DID_RESET << 16;
|
|
r = FAILED;
|
|
goto out;
|
|
}
|
|
|
|
mpt2sas_halt_firmware(ioc);
|
|
|
|
handle = sas_device_priv_data->sas_target->handle;
|
|
r = mpt2sas_scsih_issue_tm(ioc, handle, scmd->device->channel,
|
|
scmd->device->id, scmd->device->lun,
|
|
MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK, smid, 30, scmd);
|
|
|
|
out:
|
|
sdev_printk(KERN_INFO, scmd->device, "task abort: %s scmd(%p)\n",
|
|
((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd);
|
|
return r;
|
|
}
|
|
|
|
/**
|
|
* _scsih_dev_reset - eh threads main device reset routine
|
|
* @scmd: pointer to scsi command object
|
|
*
|
|
* Returns SUCCESS if command aborted else FAILED
|
|
*/
|
|
static int
|
|
_scsih_dev_reset(struct scsi_cmnd *scmd)
|
|
{
|
|
struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
|
|
struct MPT2SAS_DEVICE *sas_device_priv_data;
|
|
struct _sas_device *sas_device;
|
|
unsigned long flags;
|
|
u16 handle;
|
|
int r;
|
|
|
|
struct scsi_target *starget = scmd->device->sdev_target;
|
|
|
|
starget_printk(KERN_INFO, starget, "attempting device reset! "
|
|
"scmd(%p)\n", scmd);
|
|
_scsih_tm_display_info(ioc, scmd);
|
|
|
|
sas_device_priv_data = scmd->device->hostdata;
|
|
if (!sas_device_priv_data || !sas_device_priv_data->sas_target) {
|
|
starget_printk(KERN_INFO, starget, "device been deleted! "
|
|
"scmd(%p)\n", scmd);
|
|
scmd->result = DID_NO_CONNECT << 16;
|
|
scmd->scsi_done(scmd);
|
|
r = SUCCESS;
|
|
goto out;
|
|
}
|
|
|
|
/* for hidden raid components obtain the volume_handle */
|
|
handle = 0;
|
|
if (sas_device_priv_data->sas_target->flags &
|
|
MPT_TARGET_FLAGS_RAID_COMPONENT) {
|
|
spin_lock_irqsave(&ioc->sas_device_lock, flags);
|
|
sas_device = _scsih_sas_device_find_by_handle(ioc,
|
|
sas_device_priv_data->sas_target->handle);
|
|
if (sas_device)
|
|
handle = sas_device->volume_handle;
|
|
spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
|
|
} else
|
|
handle = sas_device_priv_data->sas_target->handle;
|
|
|
|
if (!handle) {
|
|
scmd->result = DID_RESET << 16;
|
|
r = FAILED;
|
|
goto out;
|
|
}
|
|
|
|
r = mpt2sas_scsih_issue_tm(ioc, handle, scmd->device->channel,
|
|
scmd->device->id, scmd->device->lun,
|
|
MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET, 0, 30, scmd);
|
|
|
|
out:
|
|
sdev_printk(KERN_INFO, scmd->device, "device reset: %s scmd(%p)\n",
|
|
((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd);
|
|
return r;
|
|
}
|
|
|
|
/**
|
|
* _scsih_target_reset - eh threads main target reset routine
|
|
* @scmd: pointer to scsi command object
|
|
*
|
|
* Returns SUCCESS if command aborted else FAILED
|
|
*/
|
|
static int
|
|
_scsih_target_reset(struct scsi_cmnd *scmd)
|
|
{
|
|
struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
|
|
struct MPT2SAS_DEVICE *sas_device_priv_data;
|
|
struct _sas_device *sas_device;
|
|
unsigned long flags;
|
|
u16 handle;
|
|
int r;
|
|
struct scsi_target *starget = scmd->device->sdev_target;
|
|
|
|
starget_printk(KERN_INFO, starget, "attempting target reset! "
|
|
"scmd(%p)\n", scmd);
|
|
_scsih_tm_display_info(ioc, scmd);
|
|
|
|
sas_device_priv_data = scmd->device->hostdata;
|
|
if (!sas_device_priv_data || !sas_device_priv_data->sas_target) {
|
|
starget_printk(KERN_INFO, starget, "target been deleted! "
|
|
"scmd(%p)\n", scmd);
|
|
scmd->result = DID_NO_CONNECT << 16;
|
|
scmd->scsi_done(scmd);
|
|
r = SUCCESS;
|
|
goto out;
|
|
}
|
|
|
|
/* for hidden raid components obtain the volume_handle */
|
|
handle = 0;
|
|
if (sas_device_priv_data->sas_target->flags &
|
|
MPT_TARGET_FLAGS_RAID_COMPONENT) {
|
|
spin_lock_irqsave(&ioc->sas_device_lock, flags);
|
|
sas_device = _scsih_sas_device_find_by_handle(ioc,
|
|
sas_device_priv_data->sas_target->handle);
|
|
if (sas_device)
|
|
handle = sas_device->volume_handle;
|
|
spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
|
|
} else
|
|
handle = sas_device_priv_data->sas_target->handle;
|
|
|
|
if (!handle) {
|
|
scmd->result = DID_RESET << 16;
|
|
r = FAILED;
|
|
goto out;
|
|
}
|
|
|
|
r = mpt2sas_scsih_issue_tm(ioc, handle, scmd->device->channel,
|
|
scmd->device->id, 0, MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 0,
|
|
30, scmd);
|
|
|
|
out:
|
|
starget_printk(KERN_INFO, starget, "target reset: %s scmd(%p)\n",
|
|
((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd);
|
|
return r;
|
|
}
|
|
|
|
/**
|
|
* _scsih_host_reset - eh threads main host reset routine
|
|
* @scmd: pointer to scsi command object
|
|
*
|
|
* Returns SUCCESS if command aborted else FAILED
|
|
*/
|
|
static int
|
|
_scsih_host_reset(struct scsi_cmnd *scmd)
|
|
{
|
|
struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
|
|
int r, retval;
|
|
|
|
printk(MPT2SAS_INFO_FMT "attempting host reset! scmd(%p)\n",
|
|
ioc->name, scmd);
|
|
scsi_print_command(scmd);
|
|
|
|
retval = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
|
|
FORCE_BIG_HAMMER);
|
|
r = (retval < 0) ? FAILED : SUCCESS;
|
|
printk(MPT2SAS_INFO_FMT "host reset: %s scmd(%p)\n",
|
|
ioc->name, ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd);
|
|
|
|
return r;
|
|
}
|
|
|
|
/**
|
|
* _scsih_fw_event_add - insert and queue up fw_event
|
|
* @ioc: per adapter object
|
|
* @fw_event: object describing the event
|
|
* Context: This function will acquire ioc->fw_event_lock.
|
|
*
|
|
* This adds the firmware event object into link list, then queues it up to
|
|
* be processed from user context.
|
|
*
|
|
* Return nothing.
|
|
*/
|
|
static void
|
|
_scsih_fw_event_add(struct MPT2SAS_ADAPTER *ioc, struct fw_event_work *fw_event)
|
|
{
|
|
unsigned long flags;
|
|
|
|
if (ioc->firmware_event_thread == NULL)
|
|
return;
|
|
|
|
spin_lock_irqsave(&ioc->fw_event_lock, flags);
|
|
list_add_tail(&fw_event->list, &ioc->fw_event_list);
|
|
INIT_DELAYED_WORK(&fw_event->delayed_work, _firmware_event_work);
|
|
queue_delayed_work(ioc->firmware_event_thread,
|
|
&fw_event->delayed_work, 0);
|
|
spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
|
|
}
|
|
|
|
/**
|
|
* _scsih_fw_event_free - delete fw_event
|
|
* @ioc: per adapter object
|
|
* @fw_event: object describing the event
|
|
* Context: This function will acquire ioc->fw_event_lock.
|
|
*
|
|
* This removes firmware event object from link list, frees associated memory.
|
|
*
|
|
* Return nothing.
|
|
*/
|
|
static void
|
|
_scsih_fw_event_free(struct MPT2SAS_ADAPTER *ioc, struct fw_event_work
|
|
*fw_event)
|
|
{
|
|
unsigned long flags;
|
|
|
|
spin_lock_irqsave(&ioc->fw_event_lock, flags);
|
|
list_del(&fw_event->list);
|
|
kfree(fw_event->event_data);
|
|
kfree(fw_event);
|
|
spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
|
|
}
|
|
|
|
|
|
/**
|
|
* _scsih_queue_rescan - queue a topology rescan from user context
|
|
* @ioc: per adapter object
|
|
*
|
|
* Return nothing.
|
|
*/
|
|
static void
|
|
_scsih_queue_rescan(struct MPT2SAS_ADAPTER *ioc)
|
|
{
|
|
struct fw_event_work *fw_event;
|
|
|
|
if (ioc->wait_for_port_enable_to_complete)
|
|
return;
|
|
fw_event = kzalloc(sizeof(struct fw_event_work), GFP_ATOMIC);
|
|
if (!fw_event)
|
|
return;
|
|
fw_event->event = MPT2SAS_RESCAN_AFTER_HOST_RESET;
|
|
fw_event->ioc = ioc;
|
|
_scsih_fw_event_add(ioc, fw_event);
|
|
}
|
|
|
|
/**
|
|
* _scsih_fw_event_cleanup_queue - cleanup event queue
|
|
* @ioc: per adapter object
|
|
*
|
|
* Walk the firmware event queue, either killing timers, or waiting
|
|
* for outstanding events to complete
|
|
*
|
|
* Return nothing.
|
|
*/
|
|
static void
|
|
_scsih_fw_event_cleanup_queue(struct MPT2SAS_ADAPTER *ioc)
|
|
{
|
|
struct fw_event_work *fw_event, *next;
|
|
|
|
if (list_empty(&ioc->fw_event_list) ||
|
|
!ioc->firmware_event_thread || in_interrupt())
|
|
return;
|
|
|
|
list_for_each_entry_safe(fw_event, next, &ioc->fw_event_list, list) {
|
|
if (cancel_delayed_work(&fw_event->delayed_work)) {
|
|
_scsih_fw_event_free(ioc, fw_event);
|
|
continue;
|
|
}
|
|
fw_event->cancel_pending_work = 1;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* _scsih_ublock_io_device - set the device state to SDEV_RUNNING
|
|
* @ioc: per adapter object
|
|
* @handle: device handle
|
|
*
|
|
* During device pull we need to appropiately set the sdev state.
|
|
*/
|
|
static void
|
|
_scsih_ublock_io_device(struct MPT2SAS_ADAPTER *ioc, u16 handle)
|
|
{
|
|
struct MPT2SAS_DEVICE *sas_device_priv_data;
|
|
struct scsi_device *sdev;
|
|
|
|
shost_for_each_device(sdev, ioc->shost) {
|
|
sas_device_priv_data = sdev->hostdata;
|
|
if (!sas_device_priv_data)
|
|
continue;
|
|
if (!sas_device_priv_data->block)
|
|
continue;
|
|
if (sas_device_priv_data->sas_target->handle == handle) {
|
|
dewtprintk(ioc, sdev_printk(KERN_INFO, sdev,
|
|
MPT2SAS_INFO_FMT "SDEV_RUNNING: "
|
|
"handle(0x%04x)\n", ioc->name, handle));
|
|
sas_device_priv_data->block = 0;
|
|
scsi_internal_device_unblock(sdev);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* _scsih_block_io_device - set the device state to SDEV_BLOCK
|
|
* @ioc: per adapter object
|
|
* @handle: device handle
|
|
*
|
|
* During device pull we need to appropiately set the sdev state.
|
|
*/
|
|
static void
|
|
_scsih_block_io_device(struct MPT2SAS_ADAPTER *ioc, u16 handle)
|
|
{
|
|
struct MPT2SAS_DEVICE *sas_device_priv_data;
|
|
struct scsi_device *sdev;
|
|
|
|
shost_for_each_device(sdev, ioc->shost) {
|
|
sas_device_priv_data = sdev->hostdata;
|
|
if (!sas_device_priv_data)
|
|
continue;
|
|
if (sas_device_priv_data->block)
|
|
continue;
|
|
if (sas_device_priv_data->sas_target->handle == handle) {
|
|
dewtprintk(ioc, sdev_printk(KERN_INFO, sdev,
|
|
MPT2SAS_INFO_FMT "SDEV_BLOCK: "
|
|
"handle(0x%04x)\n", ioc->name, handle));
|
|
sas_device_priv_data->block = 1;
|
|
scsi_internal_device_block(sdev);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* _scsih_block_io_to_children_attached_to_ex
|
|
* @ioc: per adapter object
|
|
* @sas_expander: the sas_device object
|
|
*
|
|
* This routine set sdev state to SDEV_BLOCK for all devices
|
|
* attached to this expander. This function called when expander is
|
|
* pulled.
|
|
*/
|
|
static void
|
|
_scsih_block_io_to_children_attached_to_ex(struct MPT2SAS_ADAPTER *ioc,
|
|
struct _sas_node *sas_expander)
|
|
{
|
|
struct _sas_port *mpt2sas_port;
|
|
struct _sas_device *sas_device;
|
|
struct _sas_node *expander_sibling;
|
|
unsigned long flags;
|
|
|
|
if (!sas_expander)
|
|
return;
|
|
|
|
list_for_each_entry(mpt2sas_port,
|
|
&sas_expander->sas_port_list, port_list) {
|
|
if (mpt2sas_port->remote_identify.device_type ==
|
|
SAS_END_DEVICE) {
|
|
spin_lock_irqsave(&ioc->sas_device_lock, flags);
|
|
sas_device =
|
|
mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
|
|
mpt2sas_port->remote_identify.sas_address);
|
|
spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
|
|
if (!sas_device)
|
|
continue;
|
|
_scsih_block_io_device(ioc, sas_device->handle);
|
|
}
|
|
}
|
|
|
|
list_for_each_entry(mpt2sas_port,
|
|
&sas_expander->sas_port_list, port_list) {
|
|
|
|
if (mpt2sas_port->remote_identify.device_type ==
|
|
SAS_EDGE_EXPANDER_DEVICE ||
|
|
mpt2sas_port->remote_identify.device_type ==
|
|
SAS_FANOUT_EXPANDER_DEVICE) {
|
|
|
|
spin_lock_irqsave(&ioc->sas_node_lock, flags);
|
|
expander_sibling =
|
|
mpt2sas_scsih_expander_find_by_sas_address(
|
|
ioc, mpt2sas_port->remote_identify.sas_address);
|
|
spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
|
|
_scsih_block_io_to_children_attached_to_ex(ioc,
|
|
expander_sibling);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* _scsih_block_io_to_children_attached_directly
|
|
* @ioc: per adapter object
|
|
* @event_data: topology change event data
|
|
*
|
|
* This routine set sdev state to SDEV_BLOCK for all devices
|
|
* direct attached during device pull.
|
|
*/
|
|
static void
|
|
_scsih_block_io_to_children_attached_directly(struct MPT2SAS_ADAPTER *ioc,
|
|
Mpi2EventDataSasTopologyChangeList_t *event_data)
|
|
{
|
|
int i;
|
|
u16 handle;
|
|
u16 reason_code;
|
|
u8 phy_number;
|
|
|
|
for (i = 0; i < event_data->NumEntries; i++) {
|
|
handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle);
|
|
if (!handle)
|
|
continue;
|
|
phy_number = event_data->StartPhyNum + i;
|
|
reason_code = event_data->PHY[i].PhyStatus &
|
|
MPI2_EVENT_SAS_TOPO_RC_MASK;
|
|
if (reason_code == MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING)
|
|
_scsih_block_io_device(ioc, handle);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* _scsih_tm_tr_send - send task management request
|
|
* @ioc: per adapter object
|
|
* @handle: device handle
|
|
* Context: interrupt time.
|
|
*
|
|
* This code is to initiate the device removal handshake protocal
|
|
* with controller firmware. This function will issue target reset
|
|
* using high priority request queue. It will send a sas iounit
|
|
* controll request (MPI2_SAS_OP_REMOVE_DEVICE) from this completion.
|
|
*
|
|
* This is designed to send muliple task management request at the same
|
|
* time to the fifo. If the fifo is full, we will append the request,
|
|
* and process it in a future completion.
|
|
*/
|
|
static void
|
|
_scsih_tm_tr_send(struct MPT2SAS_ADAPTER *ioc, u16 handle)
|
|
{
|
|
Mpi2SCSITaskManagementRequest_t *mpi_request;
|
|
u16 smid;
|
|
struct _sas_device *sas_device;
|
|
struct MPT2SAS_TARGET *sas_target_priv_data;
|
|
unsigned long flags;
|
|
struct _tr_list *delayed_tr;
|
|
|
|
if (ioc->shost_recovery || ioc->remove_host ||
|
|
ioc->pci_error_recovery) {
|
|
dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host reset in "
|
|
"progress!\n", __func__, ioc->name));
|
|
return;
|
|
}
|
|
|
|
/* if PD, then return */
|
|
if (test_bit(handle, ioc->pd_handles))
|
|
return;
|
|
|
|
spin_lock_irqsave(&ioc->sas_device_lock, flags);
|
|
sas_device = _scsih_sas_device_find_by_handle(ioc, handle);
|
|
if (sas_device && sas_device->starget &&
|
|
sas_device->starget->hostdata) {
|
|
sas_target_priv_data = sas_device->starget->hostdata;
|
|
sas_target_priv_data->deleted = 1;
|
|
dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
|
|
"setting delete flag: handle(0x%04x), "
|
|
"sas_addr(0x%016llx)\n", ioc->name, handle,
|
|
(unsigned long long) sas_device->sas_address));
|
|
}
|
|
spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
|
|
|
|
smid = mpt2sas_base_get_smid_hpr(ioc, ioc->tm_tr_cb_idx);
|
|
if (!smid) {
|
|
delayed_tr = kzalloc(sizeof(*delayed_tr), GFP_ATOMIC);
|
|
if (!delayed_tr)
|
|
return;
|
|
INIT_LIST_HEAD(&delayed_tr->list);
|
|
delayed_tr->handle = handle;
|
|
list_add_tail(&delayed_tr->list, &ioc->delayed_tr_list);
|
|
dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
|
|
"DELAYED:tr:handle(0x%04x), (open)\n",
|
|
ioc->name, handle));
|
|
return;
|
|
}
|
|
|
|
dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "tr_send:handle(0x%04x), "
|
|
"(open), smid(%d), cb(%d)\n", ioc->name, handle, smid,
|
|
ioc->tm_tr_cb_idx));
|
|
mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
|
|
memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t));
|
|
mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
|
|
mpi_request->DevHandle = cpu_to_le16(handle);
|
|
mpi_request->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET;
|
|
mpt2sas_base_put_smid_hi_priority(ioc, smid);
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
* _scsih_sas_control_complete - completion routine
|
|
* @ioc: per adapter object
|
|
* @smid: system request message index
|
|
* @msix_index: MSIX table index supplied by the OS
|
|
* @reply: reply message frame(lower 32bit addr)
|
|
* Context: interrupt time.
|
|
*
|
|
* This is the sas iounit controll completion routine.
|
|
* This code is part of the code to initiate the device removal
|
|
* handshake protocal with controller firmware.
|
|
*
|
|
* Return 1 meaning mf should be freed from _base_interrupt
|
|
* 0 means the mf is freed from this function.
|
|
*/
|
|
static u8
|
|
_scsih_sas_control_complete(struct MPT2SAS_ADAPTER *ioc, u16 smid,
|
|
u8 msix_index, u32 reply)
|
|
{
|
|
#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
|
|
Mpi2SasIoUnitControlReply_t *mpi_reply =
|
|
mpt2sas_base_get_reply_virt_addr(ioc, reply);
|
|
#endif
|
|
dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
|
|
"sc_complete:handle(0x%04x), (open) "
|
|
"smid(%d), ioc_status(0x%04x), loginfo(0x%08x)\n",
|
|
ioc->name, le16_to_cpu(mpi_reply->DevHandle), smid,
|
|
le16_to_cpu(mpi_reply->IOCStatus),
|
|
le32_to_cpu(mpi_reply->IOCLogInfo)));
|
|
return 1;
|
|
}
|
|
|
|
/**
|
|
* _scsih_tm_tr_volume_send - send target reset request for volumes
|
|
* @ioc: per adapter object
|
|
* @handle: device handle
|
|
* Context: interrupt time.
|
|
*
|
|
* This is designed to send muliple task management request at the same
|
|
* time to the fifo. If the fifo is full, we will append the request,
|
|
* and process it in a future completion.
|
|
*/
|
|
static void
|
|
_scsih_tm_tr_volume_send(struct MPT2SAS_ADAPTER *ioc, u16 handle)
|
|
{
|
|
Mpi2SCSITaskManagementRequest_t *mpi_request;
|
|
u16 smid;
|
|
struct _tr_list *delayed_tr;
|
|
|
|
if (ioc->shost_recovery || ioc->remove_host ||
|
|
ioc->pci_error_recovery) {
|
|
dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host reset in "
|
|
"progress!\n", __func__, ioc->name));
|
|
return;
|
|
}
|
|
|
|
smid = mpt2sas_base_get_smid_hpr(ioc, ioc->tm_tr_volume_cb_idx);
|
|
if (!smid) {
|
|
delayed_tr = kzalloc(sizeof(*delayed_tr), GFP_ATOMIC);
|
|
if (!delayed_tr)
|
|
return;
|
|
INIT_LIST_HEAD(&delayed_tr->list);
|
|
delayed_tr->handle = handle;
|
|
list_add_tail(&delayed_tr->list, &ioc->delayed_tr_volume_list);
|
|
dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
|
|
"DELAYED:tr:handle(0x%04x), (open)\n",
|
|
ioc->name, handle));
|
|
return;
|
|
}
|
|
|
|
dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "tr_send:handle(0x%04x), "
|
|
"(open), smid(%d), cb(%d)\n", ioc->name, handle, smid,
|
|
ioc->tm_tr_volume_cb_idx));
|
|
mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
|
|
memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t));
|
|
mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
|
|
mpi_request->DevHandle = cpu_to_le16(handle);
|
|
mpi_request->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET;
|
|
mpt2sas_base_put_smid_hi_priority(ioc, smid);
|
|
}
|
|
|
|
/**
|
|
* _scsih_tm_volume_tr_complete - target reset completion
|
|
* @ioc: per adapter object
|
|
* @smid: system request message index
|
|
* @msix_index: MSIX table index supplied by the OS
|
|
* @reply: reply message frame(lower 32bit addr)
|
|
* Context: interrupt time.
|
|
*
|
|
* Return 1 meaning mf should be freed from _base_interrupt
|
|
* 0 means the mf is freed from this function.
|
|
*/
|
|
static u8
|
|
_scsih_tm_volume_tr_complete(struct MPT2SAS_ADAPTER *ioc, u16 smid,
|
|
u8 msix_index, u32 reply)
|
|
{
|
|
u16 handle;
|
|
Mpi2SCSITaskManagementRequest_t *mpi_request_tm;
|
|
Mpi2SCSITaskManagementReply_t *mpi_reply =
|
|
mpt2sas_base_get_reply_virt_addr(ioc, reply);
|
|
|
|
if (ioc->shost_recovery || ioc->remove_host ||
|
|
ioc->pci_error_recovery) {
|
|
dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host reset in "
|
|
"progress!\n", __func__, ioc->name));
|
|
return 1;
|
|
}
|
|
|
|
mpi_request_tm = mpt2sas_base_get_msg_frame(ioc, smid);
|
|
handle = le16_to_cpu(mpi_request_tm->DevHandle);
|
|
if (handle != le16_to_cpu(mpi_reply->DevHandle)) {
|
|
dewtprintk(ioc, printk("spurious interrupt: "
|
|
"handle(0x%04x:0x%04x), smid(%d)!!!\n", handle,
|
|
le16_to_cpu(mpi_reply->DevHandle), smid));
|
|
return 0;
|
|
}
|
|
|
|
dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
|
|
"tr_complete:handle(0x%04x), (open) smid(%d), ioc_status(0x%04x), "
|
|
"loginfo(0x%08x), completed(%d)\n", ioc->name,
|
|
handle, smid, le16_to_cpu(mpi_reply->IOCStatus),
|
|
le32_to_cpu(mpi_reply->IOCLogInfo),
|
|
le32_to_cpu(mpi_reply->TerminationCount)));
|
|
|
|
return _scsih_check_for_pending_tm(ioc, smid);
|
|
}
|
|
|
|
/**
|
|
* _scsih_tm_tr_complete -
|
|
* @ioc: per adapter object
|
|
* @smid: system request message index
|
|
* @msix_index: MSIX table index supplied by the OS
|
|
* @reply: reply message frame(lower 32bit addr)
|
|
* Context: interrupt time.
|
|
*
|
|
* This is the target reset completion routine.
|
|
* This code is part of the code to initiate the device removal
|
|
* handshake protocal with controller firmware.
|
|
* It will send a sas iounit controll request (MPI2_SAS_OP_REMOVE_DEVICE)
|
|
*
|
|
* Return 1 meaning mf should be freed from _base_interrupt
|
|
* 0 means the mf is freed from this function.
|
|
*/
|
|
static u8
|
|
_scsih_tm_tr_complete(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
|
|
u32 reply)
|
|
{
|
|
u16 handle;
|
|
Mpi2SCSITaskManagementRequest_t *mpi_request_tm;
|
|
Mpi2SCSITaskManagementReply_t *mpi_reply =
|
|
mpt2sas_base_get_reply_virt_addr(ioc, reply);
|
|
Mpi2SasIoUnitControlRequest_t *mpi_request;
|
|
u16 smid_sas_ctrl;
|
|
|
|
if (ioc->shost_recovery || ioc->remove_host ||
|
|
ioc->pci_error_recovery) {
|
|
dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host reset in "
|
|
"progress!\n", __func__, ioc->name));
|
|
return 1;
|
|
}
|
|
|
|
mpi_request_tm = mpt2sas_base_get_msg_frame(ioc, smid);
|
|
handle = le16_to_cpu(mpi_request_tm->DevHandle);
|
|
if (handle != le16_to_cpu(mpi_reply->DevHandle)) {
|
|
dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "spurious interrupt: "
|
|
"handle(0x%04x:0x%04x), smid(%d)!!!\n", ioc->name, handle,
|
|
le16_to_cpu(mpi_reply->DevHandle), smid));
|
|
return 0;
|
|
}
|
|
|
|
dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
|
|
"tr_complete:handle(0x%04x), (open) smid(%d), ioc_status(0x%04x), "
|
|
"loginfo(0x%08x), completed(%d)\n", ioc->name,
|
|
handle, smid, le16_to_cpu(mpi_reply->IOCStatus),
|
|
le32_to_cpu(mpi_reply->IOCLogInfo),
|
|
le32_to_cpu(mpi_reply->TerminationCount)));
|
|
|
|
smid_sas_ctrl = mpt2sas_base_get_smid(ioc, ioc->tm_sas_control_cb_idx);
|
|
if (!smid_sas_ctrl) {
|
|
printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
|
|
ioc->name, __func__);
|
|
return 1;
|
|
}
|
|
|
|
dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "sc_send:handle(0x%04x), "
|
|
"(open), smid(%d), cb(%d)\n", ioc->name, handle, smid_sas_ctrl,
|
|
ioc->tm_sas_control_cb_idx));
|
|
mpi_request = mpt2sas_base_get_msg_frame(ioc, smid_sas_ctrl);
|
|
memset(mpi_request, 0, sizeof(Mpi2SasIoUnitControlRequest_t));
|
|
mpi_request->Function = MPI2_FUNCTION_SAS_IO_UNIT_CONTROL;
|
|
mpi_request->Operation = MPI2_SAS_OP_REMOVE_DEVICE;
|
|
mpi_request->DevHandle = mpi_request_tm->DevHandle;
|
|
mpt2sas_base_put_smid_default(ioc, smid_sas_ctrl);
|
|
|
|
return _scsih_check_for_pending_tm(ioc, smid);
|
|
}
|
|
|
|
/**
|
|
* _scsih_check_for_pending_tm - check for pending task management
|
|
* @ioc: per adapter object
|
|
* @smid: system request message index
|
|
*
|
|
* This will check delayed target reset list, and feed the
|
|
* next reqeust.
|
|
*
|
|
* Return 1 meaning mf should be freed from _base_interrupt
|
|
* 0 means the mf is freed from this function.
|
|
*/
|
|
static u8
|
|
_scsih_check_for_pending_tm(struct MPT2SAS_ADAPTER *ioc, u16 smid)
|
|
{
|
|
struct _tr_list *delayed_tr;
|
|
|
|
if (!list_empty(&ioc->delayed_tr_volume_list)) {
|
|
delayed_tr = list_entry(ioc->delayed_tr_volume_list.next,
|
|
struct _tr_list, list);
|
|
mpt2sas_base_free_smid(ioc, smid);
|
|
_scsih_tm_tr_volume_send(ioc, delayed_tr->handle);
|
|
list_del(&delayed_tr->list);
|
|
kfree(delayed_tr);
|
|
return 0;
|
|
}
|
|
|
|
if (!list_empty(&ioc->delayed_tr_list)) {
|
|
delayed_tr = list_entry(ioc->delayed_tr_list.next,
|
|
struct _tr_list, list);
|
|
mpt2sas_base_free_smid(ioc, smid);
|
|
_scsih_tm_tr_send(ioc, delayed_tr->handle);
|
|
list_del(&delayed_tr->list);
|
|
kfree(delayed_tr);
|
|
return 0;
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
/**
|
|
* _scsih_check_topo_delete_events - sanity check on topo events
|
|
* @ioc: per adapter object
|
|
* @event_data: the event data payload
|
|
*
|
|
* This routine added to better handle cable breaker.
|
|
*
|
|
* This handles the case where driver recieves multiple expander
|
|
* add and delete events in a single shot. When there is a delete event
|
|
* the routine will void any pending add events waiting in the event queue.
|
|
*
|
|
* Return nothing.
|
|
*/
|
|
static void
|
|
_scsih_check_topo_delete_events(struct MPT2SAS_ADAPTER *ioc,
|
|
Mpi2EventDataSasTopologyChangeList_t *event_data)
|
|
{
|
|
struct fw_event_work *fw_event;
|
|
Mpi2EventDataSasTopologyChangeList_t *local_event_data;
|
|
u16 expander_handle;
|
|
struct _sas_node *sas_expander;
|
|
unsigned long flags;
|
|
int i, reason_code;
|
|
u16 handle;
|
|
|
|
for (i = 0 ; i < event_data->NumEntries; i++) {
|
|
handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle);
|
|
if (!handle)
|
|
continue;
|
|
reason_code = event_data->PHY[i].PhyStatus &
|
|
MPI2_EVENT_SAS_TOPO_RC_MASK;
|
|
if (reason_code == MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING)
|
|
_scsih_tm_tr_send(ioc, handle);
|
|
}
|
|
|
|
expander_handle = le16_to_cpu(event_data->ExpanderDevHandle);
|
|
if (expander_handle < ioc->sas_hba.num_phys) {
|
|
_scsih_block_io_to_children_attached_directly(ioc, event_data);
|
|
return;
|
|
}
|
|
|
|
if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_DELAY_NOT_RESPONDING
|
|
|| event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING) {
|
|
spin_lock_irqsave(&ioc->sas_node_lock, flags);
|
|
sas_expander = mpt2sas_scsih_expander_find_by_handle(ioc,
|
|
expander_handle);
|
|
spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
|
|
_scsih_block_io_to_children_attached_to_ex(ioc, sas_expander);
|
|
} else if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_RESPONDING)
|
|
_scsih_block_io_to_children_attached_directly(ioc, event_data);
|
|
|
|
if (event_data->ExpStatus != MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING)
|
|
return;
|
|
|
|
/* mark ignore flag for pending events */
|
|
spin_lock_irqsave(&ioc->fw_event_lock, flags);
|
|
list_for_each_entry(fw_event, &ioc->fw_event_list, list) {
|
|
if (fw_event->event != MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST ||
|
|
fw_event->ignore)
|
|
continue;
|
|
local_event_data = fw_event->event_data;
|
|
if (local_event_data->ExpStatus ==
|
|
MPI2_EVENT_SAS_TOPO_ES_ADDED ||
|
|
local_event_data->ExpStatus ==
|
|
MPI2_EVENT_SAS_TOPO_ES_RESPONDING) {
|
|
if (le16_to_cpu(local_event_data->ExpanderDevHandle) ==
|
|
expander_handle) {
|
|
dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
|
|
"setting ignoring flag\n", ioc->name));
|
|
fw_event->ignore = 1;
|
|
}
|
|
}
|
|
}
|
|
spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
|
|
}
|
|
|
|
/**
|
|
* _scsih_set_volume_delete_flag - setting volume delete flag
|
|
* @ioc: per adapter object
|
|
* @handle: device handle
|
|
*
|
|
* This
|
|
* Return nothing.
|
|
*/
|
|
static void
|
|
_scsih_set_volume_delete_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle)
|
|
{
|
|
struct _raid_device *raid_device;
|
|
struct MPT2SAS_TARGET *sas_target_priv_data;
|
|
unsigned long flags;
|
|
|
|
spin_lock_irqsave(&ioc->raid_device_lock, flags);
|
|
raid_device = _scsih_raid_device_find_by_handle(ioc, handle);
|
|
if (raid_device && raid_device->starget &&
|
|
raid_device->starget->hostdata) {
|
|
sas_target_priv_data =
|
|
raid_device->starget->hostdata;
|
|
sas_target_priv_data->deleted = 1;
|
|
dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
|
|
"setting delete flag: handle(0x%04x), "
|
|
"wwid(0x%016llx)\n", ioc->name, handle,
|
|
(unsigned long long) raid_device->wwid));
|
|
}
|
|
spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
|
|
}
|
|
|
|
/**
|
|
* _scsih_set_volume_handle_for_tr - set handle for target reset to volume
|
|
* @handle: input handle
|
|
* @a: handle for volume a
|
|
* @b: handle for volume b
|
|
*
|
|
* IR firmware only supports two raid volumes. The purpose of this
|
|
* routine is to set the volume handle in either a or b. When the given
|
|
* input handle is non-zero, or when a and b have not been set before.
|
|
*/
|
|
static void
|
|
_scsih_set_volume_handle_for_tr(u16 handle, u16 *a, u16 *b)
|
|
{
|
|
if (!handle || handle == *a || handle == *b)
|
|
return;
|
|
if (!*a)
|
|
*a = handle;
|
|
else if (!*b)
|
|
*b = handle;
|
|
}
|
|
|
|
/**
|
|
* _scsih_check_ir_config_unhide_events - check for UNHIDE events
|
|
* @ioc: per adapter object
|
|
* @event_data: the event data payload
|
|
* Context: interrupt time.
|
|
*
|
|
* This routine will send target reset to volume, followed by target
|
|
* resets to the PDs. This is called when a PD has been removed, or
|
|
* volume has been deleted or removed. When the target reset is sent
|
|
* to volume, the PD target resets need to be queued to start upon
|
|
* completion of the volume target reset.
|
|
*
|
|
* Return nothing.
|
|
*/
|
|
static void
|
|
_scsih_check_ir_config_unhide_events(struct MPT2SAS_ADAPTER *ioc,
|
|
Mpi2EventDataIrConfigChangeList_t *event_data)
|
|
{
|
|
Mpi2EventIrConfigElement_t *element;
|
|
int i;
|
|
u16 handle, volume_handle, a, b;
|
|
struct _tr_list *delayed_tr;
|
|
|
|
a = 0;
|
|
b = 0;
|
|
|
|
/* Volume Resets for Deleted or Removed */
|
|
element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
|
|
for (i = 0; i < event_data->NumElements; i++, element++) {
|
|
if (element->ReasonCode ==
|
|
MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED ||
|
|
element->ReasonCode ==
|
|
MPI2_EVENT_IR_CHANGE_RC_REMOVED) {
|
|
volume_handle = le16_to_cpu(element->VolDevHandle);
|
|
_scsih_set_volume_delete_flag(ioc, volume_handle);
|
|
_scsih_set_volume_handle_for_tr(volume_handle, &a, &b);
|
|
}
|
|
}
|
|
|
|
/* Volume Resets for UNHIDE events */
|
|
element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
|
|
for (i = 0; i < event_data->NumElements; i++, element++) {
|
|
if (le32_to_cpu(event_data->Flags) &
|
|
MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG)
|
|
continue;
|
|
if (element->ReasonCode == MPI2_EVENT_IR_CHANGE_RC_UNHIDE) {
|
|
volume_handle = le16_to_cpu(element->VolDevHandle);
|
|
_scsih_set_volume_handle_for_tr(volume_handle, &a, &b);
|
|
}
|
|
}
|
|
|
|
if (a)
|
|
_scsih_tm_tr_volume_send(ioc, a);
|
|
if (b)
|
|
_scsih_tm_tr_volume_send(ioc, b);
|
|
|
|
/* PD target resets */
|
|
element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
|
|
for (i = 0; i < event_data->NumElements; i++, element++) {
|
|
if (element->ReasonCode != MPI2_EVENT_IR_CHANGE_RC_UNHIDE)
|
|
continue;
|
|
handle = le16_to_cpu(element->PhysDiskDevHandle);
|
|
volume_handle = le16_to_cpu(element->VolDevHandle);
|
|
clear_bit(handle, ioc->pd_handles);
|
|
if (!volume_handle)
|
|
_scsih_tm_tr_send(ioc, handle);
|
|
else if (volume_handle == a || volume_handle == b) {
|
|
delayed_tr = kzalloc(sizeof(*delayed_tr), GFP_ATOMIC);
|
|
BUG_ON(!delayed_tr);
|
|
INIT_LIST_HEAD(&delayed_tr->list);
|
|
delayed_tr->handle = handle;
|
|
list_add_tail(&delayed_tr->list, &ioc->delayed_tr_list);
|
|
dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
|
|
"DELAYED:tr:handle(0x%04x), (open)\n", ioc->name,
|
|
handle));
|
|
} else
|
|
_scsih_tm_tr_send(ioc, handle);
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* _scsih_check_volume_delete_events - set delete flag for volumes
|
|
* @ioc: per adapter object
|
|
* @event_data: the event data payload
|
|
* Context: interrupt time.
|
|
*
|
|
* This will handle the case when the cable connected to entire volume is
|
|
* pulled. We will take care of setting the deleted flag so normal IO will
|
|
* not be sent.
|
|
*
|
|
* Return nothing.
|
|
*/
|
|
static void
|
|
_scsih_check_volume_delete_events(struct MPT2SAS_ADAPTER *ioc,
|
|
Mpi2EventDataIrVolume_t *event_data)
|
|
{
|
|
u32 state;
|
|
|
|
if (event_data->ReasonCode != MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED)
|
|
return;
|
|
state = le32_to_cpu(event_data->NewValue);
|
|
if (state == MPI2_RAID_VOL_STATE_MISSING || state ==
|
|
MPI2_RAID_VOL_STATE_FAILED)
|
|
_scsih_set_volume_delete_flag(ioc,
|
|
le16_to_cpu(event_data->VolDevHandle));
|
|
}
|
|
|
|
/**
|
|
* _scsih_flush_running_cmds - completing outstanding commands.
|
|
* @ioc: per adapter object
|
|
*
|
|
* The flushing out of all pending scmd commands following host reset,
|
|
* where all IO is dropped to the floor.
|
|
*
|
|
* Return nothing.
|
|
*/
|
|
static void
|
|
_scsih_flush_running_cmds(struct MPT2SAS_ADAPTER *ioc)
|
|
{
|
|
struct scsi_cmnd *scmd;
|
|
u16 smid;
|
|
u16 count = 0;
|
|
|
|
for (smid = 1; smid <= ioc->scsiio_depth; smid++) {
|
|
scmd = _scsih_scsi_lookup_get_clear(ioc, smid);
|
|
if (!scmd)
|
|
continue;
|
|
count++;
|
|
mpt2sas_base_free_smid(ioc, smid);
|
|
scsi_dma_unmap(scmd);
|
|
if (ioc->pci_error_recovery)
|
|
scmd->result = DID_NO_CONNECT << 16;
|
|
else
|
|
scmd->result = DID_RESET << 16;
|
|
scmd->scsi_done(scmd);
|
|
}
|
|
dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "completing %d cmds\n",
|
|
ioc->name, count));
|
|
}
|
|
|
|
/**
|
|
* _scsih_setup_eedp - setup MPI request for EEDP transfer
|
|
* @scmd: pointer to scsi command object
|
|
* @mpi_request: pointer to the SCSI_IO reqest message frame
|
|
*
|
|
* Supporting protection 1 and 3.
|
|
*
|
|
* Returns nothing
|
|
*/
|
|
static void
|
|
_scsih_setup_eedp(struct scsi_cmnd *scmd, Mpi2SCSIIORequest_t *mpi_request)
|
|
{
|
|
u16 eedp_flags;
|
|
unsigned char prot_op = scsi_get_prot_op(scmd);
|
|
unsigned char prot_type = scsi_get_prot_type(scmd);
|
|
|
|
if (prot_type == SCSI_PROT_DIF_TYPE0 || prot_op == SCSI_PROT_NORMAL)
|
|
return;
|
|
|
|
if (prot_op == SCSI_PROT_READ_STRIP)
|
|
eedp_flags = MPI2_SCSIIO_EEDPFLAGS_CHECK_REMOVE_OP;
|
|
else if (prot_op == SCSI_PROT_WRITE_INSERT)
|
|
eedp_flags = MPI2_SCSIIO_EEDPFLAGS_INSERT_OP;
|
|
else
|
|
return;
|
|
|
|
switch (prot_type) {
|
|
case SCSI_PROT_DIF_TYPE1:
|
|
|
|
/*
|
|
* enable ref/guard checking
|
|
* auto increment ref tag
|
|
*/
|
|
eedp_flags |= MPI2_SCSIIO_EEDPFLAGS_INC_PRI_REFTAG |
|
|
MPI2_SCSIIO_EEDPFLAGS_CHECK_REFTAG |
|
|
MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD;
|
|
mpi_request->CDB.EEDP32.PrimaryReferenceTag =
|
|
cpu_to_be32(scsi_get_lba(scmd));
|
|
break;
|
|
|
|
case SCSI_PROT_DIF_TYPE2:
|
|
|
|
eedp_flags |= MPI2_SCSIIO_EEDPFLAGS_INC_PRI_REFTAG |
|
|
MPI2_SCSIIO_EEDPFLAGS_CHECK_REFTAG |
|
|
MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD;
|
|
break;
|
|
|
|
case SCSI_PROT_DIF_TYPE3:
|
|
|
|
/*
|
|
* enable guard checking
|
|
*/
|
|
eedp_flags |= MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD;
|
|
break;
|
|
}
|
|
mpi_request->EEDPBlockSize = cpu_to_le32(scmd->device->sector_size);
|
|
mpi_request->EEDPFlags = cpu_to_le16(eedp_flags);
|
|
}
|
|
|
|
/**
|
|
* _scsih_eedp_error_handling - return sense code for EEDP errors
|
|
* @scmd: pointer to scsi command object
|
|
* @ioc_status: ioc status
|
|
*
|
|
* Returns nothing
|
|
*/
|
|
static void
|
|
_scsih_eedp_error_handling(struct scsi_cmnd *scmd, u16 ioc_status)
|
|
{
|
|
u8 ascq;
|
|
u8 sk;
|
|
u8 host_byte;
|
|
|
|
switch (ioc_status) {
|
|
case MPI2_IOCSTATUS_EEDP_GUARD_ERROR:
|
|
ascq = 0x01;
|
|
break;
|
|
case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR:
|
|
ascq = 0x02;
|
|
break;
|
|
case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR:
|
|
ascq = 0x03;
|
|
break;
|
|
default:
|
|
ascq = 0x00;
|
|
break;
|
|
}
|
|
|
|
if (scmd->sc_data_direction == DMA_TO_DEVICE) {
|
|
sk = ILLEGAL_REQUEST;
|
|
host_byte = DID_ABORT;
|
|
} else {
|
|
sk = ABORTED_COMMAND;
|
|
host_byte = DID_OK;
|
|
}
|
|
|
|
scsi_build_sense_buffer(0, scmd->sense_buffer, sk, 0x10, ascq);
|
|
scmd->result = DRIVER_SENSE << 24 | (host_byte << 16) |
|
|
SAM_STAT_CHECK_CONDITION;
|
|
}
|
|
|
|
/**
|
|
* _scsih_qcmd - main scsi request entry point
|
|
* @scmd: pointer to scsi command object
|
|
* @done: function pointer to be invoked on completion
|
|
*
|
|
* The callback index is set inside `ioc->scsi_io_cb_idx`.
|
|
*
|
|
* Returns 0 on success. If there's a failure, return either:
|
|
* SCSI_MLQUEUE_DEVICE_BUSY if the device queue is full, or
|
|
* SCSI_MLQUEUE_HOST_BUSY if the entire host queue is full
|
|
*/
|
|
static int
|
|
_scsih_qcmd_lck(struct scsi_cmnd *scmd, void (*done)(struct scsi_cmnd *))
|
|
{
|
|
struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
|
|
struct MPT2SAS_DEVICE *sas_device_priv_data;
|
|
struct MPT2SAS_TARGET *sas_target_priv_data;
|
|
Mpi2SCSIIORequest_t *mpi_request;
|
|
u32 mpi_control;
|
|
u16 smid;
|
|
|
|
scmd->scsi_done = done;
|
|
sas_device_priv_data = scmd->device->hostdata;
|
|
if (!sas_device_priv_data || !sas_device_priv_data->sas_target) {
|
|
scmd->result = DID_NO_CONNECT << 16;
|
|
scmd->scsi_done(scmd);
|
|
return 0;
|
|
}
|
|
|
|
if (ioc->pci_error_recovery) {
|
|
scmd->result = DID_NO_CONNECT << 16;
|
|
scmd->scsi_done(scmd);
|
|
return 0;
|
|
}
|
|
|
|
sas_target_priv_data = sas_device_priv_data->sas_target;
|
|
/* invalid device handle */
|
|
if (sas_target_priv_data->handle == MPT2SAS_INVALID_DEVICE_HANDLE) {
|
|
scmd->result = DID_NO_CONNECT << 16;
|
|
scmd->scsi_done(scmd);
|
|
return 0;
|
|
}
|
|
|
|
/* host recovery or link resets sent via IOCTLs */
|
|
if (ioc->shost_recovery || ioc->ioc_link_reset_in_progress)
|
|
return SCSI_MLQUEUE_HOST_BUSY;
|
|
/* device busy with task management */
|
|
else if (sas_device_priv_data->block || sas_target_priv_data->tm_busy)
|
|
return SCSI_MLQUEUE_DEVICE_BUSY;
|
|
/* device has been deleted */
|
|
else if (sas_target_priv_data->deleted) {
|
|
scmd->result = DID_NO_CONNECT << 16;
|
|
scmd->scsi_done(scmd);
|
|
return 0;
|
|
}
|
|
|
|
if (scmd->sc_data_direction == DMA_FROM_DEVICE)
|
|
mpi_control = MPI2_SCSIIO_CONTROL_READ;
|
|
else if (scmd->sc_data_direction == DMA_TO_DEVICE)
|
|
mpi_control = MPI2_SCSIIO_CONTROL_WRITE;
|
|
else
|
|
mpi_control = MPI2_SCSIIO_CONTROL_NODATATRANSFER;
|
|
|
|
/* set tags */
|
|
if (!(sas_device_priv_data->flags & MPT_DEVICE_FLAGS_INIT)) {
|
|
if (scmd->device->tagged_supported) {
|
|
if (scmd->device->ordered_tags)
|
|
mpi_control |= MPI2_SCSIIO_CONTROL_ORDEREDQ;
|
|
else
|
|
mpi_control |= MPI2_SCSIIO_CONTROL_SIMPLEQ;
|
|
} else
|
|
/* MPI Revision I (UNIT = 0xA) - removed MPI2_SCSIIO_CONTROL_UNTAGGED */
|
|
/* mpi_control |= MPI2_SCSIIO_CONTROL_UNTAGGED;
|
|
*/
|
|
mpi_control |= (0x500);
|
|
|
|
} else
|
|
mpi_control |= MPI2_SCSIIO_CONTROL_SIMPLEQ;
|
|
/* Make sure Device is not raid volume */
|
|
if (!_scsih_is_raid(&scmd->device->sdev_gendev) &&
|
|
sas_is_tlr_enabled(scmd->device) && scmd->cmd_len != 32)
|
|
mpi_control |= MPI2_SCSIIO_CONTROL_TLR_ON;
|
|
|
|
smid = mpt2sas_base_get_smid_scsiio(ioc, ioc->scsi_io_cb_idx, scmd);
|
|
if (!smid) {
|
|
printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
|
|
ioc->name, __func__);
|
|
goto out;
|
|
}
|
|
mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
|
|
memset(mpi_request, 0, sizeof(Mpi2SCSIIORequest_t));
|
|
_scsih_setup_eedp(scmd, mpi_request);
|
|
if (scmd->cmd_len == 32)
|
|
mpi_control |= 4 << MPI2_SCSIIO_CONTROL_ADDCDBLEN_SHIFT;
|
|
mpi_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST;
|
|
if (sas_device_priv_data->sas_target->flags &
|
|
MPT_TARGET_FLAGS_RAID_COMPONENT)
|
|
mpi_request->Function = MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
|
|
else
|
|
mpi_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST;
|
|
mpi_request->DevHandle =
|
|
cpu_to_le16(sas_device_priv_data->sas_target->handle);
|
|
mpi_request->DataLength = cpu_to_le32(scsi_bufflen(scmd));
|
|
mpi_request->Control = cpu_to_le32(mpi_control);
|
|
mpi_request->IoFlags = cpu_to_le16(scmd->cmd_len);
|
|
mpi_request->MsgFlags = MPI2_SCSIIO_MSGFLAGS_SYSTEM_SENSE_ADDR;
|
|
mpi_request->SenseBufferLength = SCSI_SENSE_BUFFERSIZE;
|
|
mpi_request->SenseBufferLowAddress =
|
|
mpt2sas_base_get_sense_buffer_dma(ioc, smid);
|
|
mpi_request->SGLOffset0 = offsetof(Mpi2SCSIIORequest_t, SGL) / 4;
|
|
mpi_request->SGLFlags = cpu_to_le16(MPI2_SCSIIO_SGLFLAGS_TYPE_MPI +
|
|
MPI2_SCSIIO_SGLFLAGS_SYSTEM_ADDR);
|
|
mpi_request->VF_ID = 0; /* TODO */
|
|
mpi_request->VP_ID = 0;
|
|
int_to_scsilun(sas_device_priv_data->lun, (struct scsi_lun *)
|
|
mpi_request->LUN);
|
|
memcpy(mpi_request->CDB.CDB32, scmd->cmnd, scmd->cmd_len);
|
|
|
|
if (!mpi_request->DataLength) {
|
|
mpt2sas_base_build_zero_len_sge(ioc, &mpi_request->SGL);
|
|
} else {
|
|
if (_scsih_build_scatter_gather(ioc, scmd, smid)) {
|
|
mpt2sas_base_free_smid(ioc, smid);
|
|
goto out;
|
|
}
|
|
}
|
|
|
|
if (likely(mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST))
|
|
mpt2sas_base_put_smid_scsi_io(ioc, smid,
|
|
sas_device_priv_data->sas_target->handle);
|
|
else
|
|
mpt2sas_base_put_smid_default(ioc, smid);
|
|
return 0;
|
|
|
|
out:
|
|
return SCSI_MLQUEUE_HOST_BUSY;
|
|
}
|
|
|
|
static DEF_SCSI_QCMD(_scsih_qcmd)
|
|
|
|
/**
|
|
* _scsih_normalize_sense - normalize descriptor and fixed format sense data
|
|
* @sense_buffer: sense data returned by target
|
|
* @data: normalized skey/asc/ascq
|
|
*
|
|
* Return nothing.
|
|
*/
|
|
static void
|
|
_scsih_normalize_sense(char *sense_buffer, struct sense_info *data)
|
|
{
|
|
if ((sense_buffer[0] & 0x7F) >= 0x72) {
|
|
/* descriptor format */
|
|
data->skey = sense_buffer[1] & 0x0F;
|
|
data->asc = sense_buffer[2];
|
|
data->ascq = sense_buffer[3];
|
|
} else {
|
|
/* fixed format */
|
|
data->skey = sense_buffer[2] & 0x0F;
|
|
data->asc = sense_buffer[12];
|
|
data->ascq = sense_buffer[13];
|
|
}
|
|
}
|
|
|
|
#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
|
|
/**
|
|
* _scsih_scsi_ioc_info - translated non-successfull SCSI_IO request
|
|
* @ioc: per adapter object
|
|
* @scmd: pointer to scsi command object
|
|
* @mpi_reply: reply mf payload returned from firmware
|
|
*
|
|
* scsi_status - SCSI Status code returned from target device
|
|
* scsi_state - state info associated with SCSI_IO determined by ioc
|
|
* ioc_status - ioc supplied status info
|
|
*
|
|
* Return nothing.
|
|
*/
|
|
static void
|
|
_scsih_scsi_ioc_info(struct MPT2SAS_ADAPTER *ioc, struct scsi_cmnd *scmd,
|
|
Mpi2SCSIIOReply_t *mpi_reply, u16 smid)
|
|
{
|
|
u32 response_info;
|
|
u8 *response_bytes;
|
|
u16 ioc_status = le16_to_cpu(mpi_reply->IOCStatus) &
|
|
MPI2_IOCSTATUS_MASK;
|
|
u8 scsi_state = mpi_reply->SCSIState;
|
|
u8 scsi_status = mpi_reply->SCSIStatus;
|
|
char *desc_ioc_state = NULL;
|
|
char *desc_scsi_status = NULL;
|
|
char *desc_scsi_state = ioc->tmp_string;
|
|
u32 log_info = le32_to_cpu(mpi_reply->IOCLogInfo);
|
|
struct _sas_device *sas_device = NULL;
|
|
unsigned long flags;
|
|
struct scsi_target *starget = scmd->device->sdev_target;
|
|
struct MPT2SAS_TARGET *priv_target = starget->hostdata;
|
|
|
|
if (!priv_target)
|
|
return;
|
|
|
|
if (log_info == 0x31170000)
|
|
return;
|
|
|
|
switch (ioc_status) {
|
|
case MPI2_IOCSTATUS_SUCCESS:
|
|
desc_ioc_state = "success";
|
|
break;
|
|
case MPI2_IOCSTATUS_INVALID_FUNCTION:
|
|
desc_ioc_state = "invalid function";
|
|
break;
|
|
case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR:
|
|
desc_ioc_state = "scsi recovered error";
|
|
break;
|
|
case MPI2_IOCSTATUS_SCSI_INVALID_DEVHANDLE:
|
|
desc_ioc_state = "scsi invalid dev handle";
|
|
break;
|
|
case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
|
|
desc_ioc_state = "scsi device not there";
|
|
break;
|
|
case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN:
|
|
desc_ioc_state = "scsi data overrun";
|
|
break;
|
|
case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN:
|
|
desc_ioc_state = "scsi data underrun";
|
|
break;
|
|
case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR:
|
|
desc_ioc_state = "scsi io data error";
|
|
break;
|
|
case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR:
|
|
desc_ioc_state = "scsi protocol error";
|
|
break;
|
|
case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED:
|
|
desc_ioc_state = "scsi task terminated";
|
|
break;
|
|
case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
|
|
desc_ioc_state = "scsi residual mismatch";
|
|
break;
|
|
case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
|
|
desc_ioc_state = "scsi task mgmt failed";
|
|
break;
|
|
case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED:
|
|
desc_ioc_state = "scsi ioc terminated";
|
|
break;
|
|
case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED:
|
|
desc_ioc_state = "scsi ext terminated";
|
|
break;
|
|
case MPI2_IOCSTATUS_EEDP_GUARD_ERROR:
|
|
desc_ioc_state = "eedp guard error";
|
|
break;
|
|
case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR:
|
|
desc_ioc_state = "eedp ref tag error";
|
|
break;
|
|
case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR:
|
|
desc_ioc_state = "eedp app tag error";
|
|
break;
|
|
default:
|
|
desc_ioc_state = "unknown";
|
|
break;
|
|
}
|
|
|
|
switch (scsi_status) {
|
|
case MPI2_SCSI_STATUS_GOOD:
|
|
desc_scsi_status = "good";
|
|
break;
|
|
case MPI2_SCSI_STATUS_CHECK_CONDITION:
|
|
desc_scsi_status = "check condition";
|
|
break;
|
|
case MPI2_SCSI_STATUS_CONDITION_MET:
|
|
desc_scsi_status = "condition met";
|
|
break;
|
|
case MPI2_SCSI_STATUS_BUSY:
|
|
desc_scsi_status = "busy";
|
|
break;
|
|
case MPI2_SCSI_STATUS_INTERMEDIATE:
|
|
desc_scsi_status = "intermediate";
|
|
break;
|
|
case MPI2_SCSI_STATUS_INTERMEDIATE_CONDMET:
|
|
desc_scsi_status = "intermediate condmet";
|
|
break;
|
|
case MPI2_SCSI_STATUS_RESERVATION_CONFLICT:
|
|
desc_scsi_status = "reservation conflict";
|
|
break;
|
|
case MPI2_SCSI_STATUS_COMMAND_TERMINATED:
|
|
desc_scsi_status = "command terminated";
|
|
break;
|
|
case MPI2_SCSI_STATUS_TASK_SET_FULL:
|
|
desc_scsi_status = "task set full";
|
|
break;
|
|
case MPI2_SCSI_STATUS_ACA_ACTIVE:
|
|
desc_scsi_status = "aca active";
|
|
break;
|
|
case MPI2_SCSI_STATUS_TASK_ABORTED:
|
|
desc_scsi_status = "task aborted";
|
|
break;
|
|
default:
|
|
desc_scsi_status = "unknown";
|
|
break;
|
|
}
|
|
|
|
desc_scsi_state[0] = '\0';
|
|
if (!scsi_state)
|
|
desc_scsi_state = " ";
|
|
if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID)
|
|
strcat(desc_scsi_state, "response info ");
|
|
if (scsi_state & MPI2_SCSI_STATE_TERMINATED)
|
|
strcat(desc_scsi_state, "state terminated ");
|
|
if (scsi_state & MPI2_SCSI_STATE_NO_SCSI_STATUS)
|
|
strcat(desc_scsi_state, "no status ");
|
|
if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_FAILED)
|
|
strcat(desc_scsi_state, "autosense failed ");
|
|
if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID)
|
|
strcat(desc_scsi_state, "autosense valid ");
|
|
|
|
scsi_print_command(scmd);
|
|
|
|
if (priv_target->flags & MPT_TARGET_FLAGS_VOLUME) {
|
|
printk(MPT2SAS_WARN_FMT "\tvolume wwid(0x%016llx)\n", ioc->name,
|
|
(unsigned long long)priv_target->sas_address);
|
|
} else {
|
|
spin_lock_irqsave(&ioc->sas_device_lock, flags);
|
|
sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
|
|
priv_target->sas_address);
|
|
if (sas_device) {
|
|
printk(MPT2SAS_WARN_FMT "\tsas_address(0x%016llx), "
|
|
"phy(%d)\n", ioc->name, sas_device->sas_address,
|
|
sas_device->phy);
|
|
printk(MPT2SAS_WARN_FMT
|
|
"\tenclosure_logical_id(0x%016llx), slot(%d)\n",
|
|
ioc->name, sas_device->enclosure_logical_id,
|
|
sas_device->slot);
|
|
}
|
|
spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
|
|
}
|
|
|
|
printk(MPT2SAS_WARN_FMT "\thandle(0x%04x), ioc_status(%s)(0x%04x), "
|
|
"smid(%d)\n", ioc->name, le16_to_cpu(mpi_reply->DevHandle),
|
|
desc_ioc_state, ioc_status, smid);
|
|
printk(MPT2SAS_WARN_FMT "\trequest_len(%d), underflow(%d), "
|
|
"resid(%d)\n", ioc->name, scsi_bufflen(scmd), scmd->underflow,
|
|
scsi_get_resid(scmd));
|
|
printk(MPT2SAS_WARN_FMT "\ttag(%d), transfer_count(%d), "
|
|
"sc->result(0x%08x)\n", ioc->name, le16_to_cpu(mpi_reply->TaskTag),
|
|
le32_to_cpu(mpi_reply->TransferCount), scmd->result);
|
|
printk(MPT2SAS_WARN_FMT "\tscsi_status(%s)(0x%02x), "
|
|
"scsi_state(%s)(0x%02x)\n", ioc->name, desc_scsi_status,
|
|
scsi_status, desc_scsi_state, scsi_state);
|
|
|
|
if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) {
|
|
struct sense_info data;
|
|
_scsih_normalize_sense(scmd->sense_buffer, &data);
|
|
printk(MPT2SAS_WARN_FMT "\t[sense_key,asc,ascq]: "
|
|
"[0x%02x,0x%02x,0x%02x], count(%d)\n", ioc->name, data.skey,
|
|
data.asc, data.ascq, le32_to_cpu(mpi_reply->SenseCount));
|
|
}
|
|
|
|
if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID) {
|
|
response_info = le32_to_cpu(mpi_reply->ResponseInfo);
|
|
response_bytes = (u8 *)&response_info;
|
|
_scsih_response_code(ioc, response_bytes[0]);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
/**
|
|
* _scsih_smart_predicted_fault - illuminate Fault LED
|
|
* @ioc: per adapter object
|
|
* @handle: device handle
|
|
*
|
|
* Return nothing.
|
|
*/
|
|
static void
|
|
_scsih_smart_predicted_fault(struct MPT2SAS_ADAPTER *ioc, u16 handle)
|
|
{
|
|
Mpi2SepReply_t mpi_reply;
|
|
Mpi2SepRequest_t mpi_request;
|
|
struct scsi_target *starget;
|
|
struct MPT2SAS_TARGET *sas_target_priv_data;
|
|
Mpi2EventNotificationReply_t *event_reply;
|
|
Mpi2EventDataSasDeviceStatusChange_t *event_data;
|
|
struct _sas_device *sas_device;
|
|
ssize_t sz;
|
|
unsigned long flags;
|
|
|
|
/* only handle non-raid devices */
|
|
spin_lock_irqsave(&ioc->sas_device_lock, flags);
|
|
sas_device = _scsih_sas_device_find_by_handle(ioc, handle);
|
|
if (!sas_device) {
|
|
spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
|
|
return;
|
|
}
|
|
starget = sas_device->starget;
|
|
sas_target_priv_data = starget->hostdata;
|
|
|
|
if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_RAID_COMPONENT) ||
|
|
((sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME))) {
|
|
spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
|
|
return;
|
|
}
|
|
starget_printk(KERN_WARNING, starget, "predicted fault\n");
|
|
spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
|
|
|
|
if (ioc->pdev->subsystem_vendor == PCI_VENDOR_ID_IBM) {
|
|
memset(&mpi_request, 0, sizeof(Mpi2SepRequest_t));
|
|
mpi_request.Function = MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR;
|
|
mpi_request.Action = MPI2_SEP_REQ_ACTION_WRITE_STATUS;
|
|
mpi_request.SlotStatus =
|
|
cpu_to_le32(MPI2_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT);
|
|
mpi_request.DevHandle = cpu_to_le16(handle);
|
|
mpi_request.Flags = MPI2_SEP_REQ_FLAGS_DEVHANDLE_ADDRESS;
|
|
if ((mpt2sas_base_scsi_enclosure_processor(ioc, &mpi_reply,
|
|
&mpi_request)) != 0) {
|
|
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
|
|
ioc->name, __FILE__, __LINE__, __func__);
|
|
return;
|
|
}
|
|
|
|
if (mpi_reply.IOCStatus || mpi_reply.IOCLogInfo) {
|
|
dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
|
|
"enclosure_processor: ioc_status (0x%04x), "
|
|
"loginfo(0x%08x)\n", ioc->name,
|
|
le16_to_cpu(mpi_reply.IOCStatus),
|
|
le32_to_cpu(mpi_reply.IOCLogInfo)));
|
|
return;
|
|
}
|
|
}
|
|
|
|
/* insert into event log */
|
|
sz = offsetof(Mpi2EventNotificationReply_t, EventData) +
|
|
sizeof(Mpi2EventDataSasDeviceStatusChange_t);
|
|
event_reply = kzalloc(sz, GFP_KERNEL);
|
|
if (!event_reply) {
|
|
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
|
|
ioc->name, __FILE__, __LINE__, __func__);
|
|
return;
|
|
}
|
|
|
|
event_reply->Function = MPI2_FUNCTION_EVENT_NOTIFICATION;
|
|
event_reply->Event =
|
|
cpu_to_le16(MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE);
|
|
event_reply->MsgLength = sz/4;
|
|
event_reply->EventDataLength =
|
|
cpu_to_le16(sizeof(Mpi2EventDataSasDeviceStatusChange_t)/4);
|
|
event_data = (Mpi2EventDataSasDeviceStatusChange_t *)
|
|
event_reply->EventData;
|
|
event_data->ReasonCode = MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA;
|
|
event_data->ASC = 0x5D;
|
|
event_data->DevHandle = cpu_to_le16(handle);
|
|
event_data->SASAddress = cpu_to_le64(sas_target_priv_data->sas_address);
|
|
mpt2sas_ctl_add_to_event_log(ioc, event_reply);
|
|
kfree(event_reply);
|
|
}
|
|
|
|
/**
|
|
* _scsih_io_done - scsi request callback
|
|
* @ioc: per adapter object
|
|
* @smid: system request message index
|
|
* @msix_index: MSIX table index supplied by the OS
|
|
* @reply: reply message frame(lower 32bit addr)
|
|
*
|
|
* Callback handler when using _scsih_qcmd.
|
|
*
|
|
* Return 1 meaning mf should be freed from _base_interrupt
|
|
* 0 means the mf is freed from this function.
|
|
*/
|
|
static u8
|
|
_scsih_io_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply)
|
|
{
|
|
Mpi2SCSIIORequest_t *mpi_request;
|
|
Mpi2SCSIIOReply_t *mpi_reply;
|
|
struct scsi_cmnd *scmd;
|
|
u16 ioc_status;
|
|
u32 xfer_cnt;
|
|
u8 scsi_state;
|
|
u8 scsi_status;
|
|
u32 log_info;
|
|
struct MPT2SAS_DEVICE *sas_device_priv_data;
|
|
u32 response_code = 0;
|
|
|
|
mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply);
|
|
scmd = _scsih_scsi_lookup_get_clear(ioc, smid);
|
|
if (scmd == NULL)
|
|
return 1;
|
|
|
|
mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
|
|
|
|
if (mpi_reply == NULL) {
|
|
scmd->result = DID_OK << 16;
|
|
goto out;
|
|
}
|
|
|
|
sas_device_priv_data = scmd->device->hostdata;
|
|
if (!sas_device_priv_data || !sas_device_priv_data->sas_target ||
|
|
sas_device_priv_data->sas_target->deleted) {
|
|
scmd->result = DID_NO_CONNECT << 16;
|
|
goto out;
|
|
}
|
|
|
|
/* turning off TLR */
|
|
scsi_state = mpi_reply->SCSIState;
|
|
if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID)
|
|
response_code =
|
|
le32_to_cpu(mpi_reply->ResponseInfo) & 0xFF;
|
|
if (!sas_device_priv_data->tlr_snoop_check) {
|
|
sas_device_priv_data->tlr_snoop_check++;
|
|
if (!_scsih_is_raid(&scmd->device->sdev_gendev) &&
|
|
sas_is_tlr_enabled(scmd->device) &&
|
|
response_code == MPI2_SCSITASKMGMT_RSP_INVALID_FRAME) {
|
|
sas_disable_tlr(scmd->device);
|
|
sdev_printk(KERN_INFO, scmd->device, "TLR disabled\n");
|
|
}
|
|
}
|
|
|
|
xfer_cnt = le32_to_cpu(mpi_reply->TransferCount);
|
|
scsi_set_resid(scmd, scsi_bufflen(scmd) - xfer_cnt);
|
|
ioc_status = le16_to_cpu(mpi_reply->IOCStatus);
|
|
if (ioc_status & MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE)
|
|
log_info = le32_to_cpu(mpi_reply->IOCLogInfo);
|
|
else
|
|
log_info = 0;
|
|
ioc_status &= MPI2_IOCSTATUS_MASK;
|
|
scsi_status = mpi_reply->SCSIStatus;
|
|
|
|
if (ioc_status == MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN && xfer_cnt == 0 &&
|
|
(scsi_status == MPI2_SCSI_STATUS_BUSY ||
|
|
scsi_status == MPI2_SCSI_STATUS_RESERVATION_CONFLICT ||
|
|
scsi_status == MPI2_SCSI_STATUS_TASK_SET_FULL)) {
|
|
ioc_status = MPI2_IOCSTATUS_SUCCESS;
|
|
}
|
|
|
|
if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) {
|
|
struct sense_info data;
|
|
const void *sense_data = mpt2sas_base_get_sense_buffer(ioc,
|
|
smid);
|
|
u32 sz = min_t(u32, SCSI_SENSE_BUFFERSIZE,
|
|
le32_to_cpu(mpi_reply->SenseCount));
|
|
memcpy(scmd->sense_buffer, sense_data, sz);
|
|
_scsih_normalize_sense(scmd->sense_buffer, &data);
|
|
/* failure prediction threshold exceeded */
|
|
if (data.asc == 0x5D)
|
|
_scsih_smart_predicted_fault(ioc,
|
|
le16_to_cpu(mpi_reply->DevHandle));
|
|
}
|
|
|
|
switch (ioc_status) {
|
|
case MPI2_IOCSTATUS_BUSY:
|
|
case MPI2_IOCSTATUS_INSUFFICIENT_RESOURCES:
|
|
scmd->result = SAM_STAT_BUSY;
|
|
break;
|
|
|
|
case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
|
|
scmd->result = DID_NO_CONNECT << 16;
|
|
break;
|
|
|
|
case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED:
|
|
if (sas_device_priv_data->block) {
|
|
scmd->result = DID_TRANSPORT_DISRUPTED << 16;
|
|
goto out;
|
|
}
|
|
case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED:
|
|
case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED:
|
|
scmd->result = DID_RESET << 16;
|
|
break;
|
|
|
|
case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
|
|
if ((xfer_cnt == 0) || (scmd->underflow > xfer_cnt))
|
|
scmd->result = DID_SOFT_ERROR << 16;
|
|
else
|
|
scmd->result = (DID_OK << 16) | scsi_status;
|
|
break;
|
|
|
|
case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN:
|
|
scmd->result = (DID_OK << 16) | scsi_status;
|
|
|
|
if ((scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID))
|
|
break;
|
|
|
|
if (xfer_cnt < scmd->underflow) {
|
|
if (scsi_status == SAM_STAT_BUSY)
|
|
scmd->result = SAM_STAT_BUSY;
|
|
else
|
|
scmd->result = DID_SOFT_ERROR << 16;
|
|
} else if (scsi_state & (MPI2_SCSI_STATE_AUTOSENSE_FAILED |
|
|
MPI2_SCSI_STATE_NO_SCSI_STATUS))
|
|
scmd->result = DID_SOFT_ERROR << 16;
|
|
else if (scsi_state & MPI2_SCSI_STATE_TERMINATED)
|
|
scmd->result = DID_RESET << 16;
|
|
else if (!xfer_cnt && scmd->cmnd[0] == REPORT_LUNS) {
|
|
mpi_reply->SCSIState = MPI2_SCSI_STATE_AUTOSENSE_VALID;
|
|
mpi_reply->SCSIStatus = SAM_STAT_CHECK_CONDITION;
|
|
scmd->result = (DRIVER_SENSE << 24) |
|
|
SAM_STAT_CHECK_CONDITION;
|
|
scmd->sense_buffer[0] = 0x70;
|
|
scmd->sense_buffer[2] = ILLEGAL_REQUEST;
|
|
scmd->sense_buffer[12] = 0x20;
|
|
scmd->sense_buffer[13] = 0;
|
|
}
|
|
break;
|
|
|
|
case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN:
|
|
scsi_set_resid(scmd, 0);
|
|
case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR:
|
|
case MPI2_IOCSTATUS_SUCCESS:
|
|
scmd->result = (DID_OK << 16) | scsi_status;
|
|
if (response_code ==
|
|
MPI2_SCSITASKMGMT_RSP_INVALID_FRAME ||
|
|
(scsi_state & (MPI2_SCSI_STATE_AUTOSENSE_FAILED |
|
|
MPI2_SCSI_STATE_NO_SCSI_STATUS)))
|
|
scmd->result = DID_SOFT_ERROR << 16;
|
|
else if (scsi_state & MPI2_SCSI_STATE_TERMINATED)
|
|
scmd->result = DID_RESET << 16;
|
|
break;
|
|
|
|
case MPI2_IOCSTATUS_EEDP_GUARD_ERROR:
|
|
case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR:
|
|
case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR:
|
|
_scsih_eedp_error_handling(scmd, ioc_status);
|
|
break;
|
|
case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR:
|
|
case MPI2_IOCSTATUS_INVALID_FUNCTION:
|
|
case MPI2_IOCSTATUS_INVALID_SGL:
|
|
case MPI2_IOCSTATUS_INTERNAL_ERROR:
|
|
case MPI2_IOCSTATUS_INVALID_FIELD:
|
|
case MPI2_IOCSTATUS_INVALID_STATE:
|
|
case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR:
|
|
case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
|
|
default:
|
|
scmd->result = DID_SOFT_ERROR << 16;
|
|
break;
|
|
|
|
}
|
|
|
|
#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
|
|
if (scmd->result && (ioc->logging_level & MPT_DEBUG_REPLY))
|
|
_scsih_scsi_ioc_info(ioc , scmd, mpi_reply, smid);
|
|
#endif
|
|
|
|
out:
|
|
scsi_dma_unmap(scmd);
|
|
scmd->scsi_done(scmd);
|
|
return 1;
|
|
}
|
|
|
|
/**
|
|
* _scsih_sas_host_refresh - refreshing sas host object contents
|
|
* @ioc: per adapter object
|
|
* Context: user
|
|
*
|
|
* During port enable, fw will send topology events for every device. Its
|
|
* possible that the handles may change from the previous setting, so this
|
|
* code keeping handles updating if changed.
|
|
*
|
|
* Return nothing.
|
|
*/
|
|
static void
|
|
_scsih_sas_host_refresh(struct MPT2SAS_ADAPTER *ioc)
|
|
{
|
|
u16 sz;
|
|
u16 ioc_status;
|
|
int i;
|
|
Mpi2ConfigReply_t mpi_reply;
|
|
Mpi2SasIOUnitPage0_t *sas_iounit_pg0 = NULL;
|
|
u16 attached_handle;
|
|
u8 link_rate;
|
|
|
|
dtmprintk(ioc, printk(MPT2SAS_INFO_FMT
|
|
"updating handles for sas_host(0x%016llx)\n",
|
|
ioc->name, (unsigned long long)ioc->sas_hba.sas_address));
|
|
|
|
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__);
|
|
return;
|
|
}
|
|
|
|
if ((mpt2sas_config_get_sas_iounit_pg0(ioc, &mpi_reply,
|
|
sas_iounit_pg0, sz)) != 0)
|
|
goto out;
|
|
ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK;
|
|
if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
|
|
goto out;
|
|
for (i = 0; i < ioc->sas_hba.num_phys ; i++) {
|
|
link_rate = sas_iounit_pg0->PhyData[i].NegotiatedLinkRate >> 4;
|
|
if (i == 0)
|
|
ioc->sas_hba.handle = le16_to_cpu(sas_iounit_pg0->
|
|
PhyData[0].ControllerDevHandle);
|
|
ioc->sas_hba.phy[i].handle = ioc->sas_hba.handle;
|
|
attached_handle = le16_to_cpu(sas_iounit_pg0->PhyData[i].
|
|
AttachedDevHandle);
|
|
if (attached_handle && link_rate < MPI2_SAS_NEG_LINK_RATE_1_5)
|
|
link_rate = MPI2_SAS_NEG_LINK_RATE_1_5;
|
|
mpt2sas_transport_update_links(ioc, ioc->sas_hba.sas_address,
|
|
attached_handle, i, link_rate);
|
|
}
|
|
out:
|
|
kfree(sas_iounit_pg0);
|
|
}
|
|
|
|
/**
|
|
* _scsih_sas_host_add - create sas host object
|
|
* @ioc: per adapter object
|
|
*
|
|
* Creating host side data object, stored in ioc->sas_hba
|
|
*
|
|
* Return nothing.
|
|
*/
|
|
static void
|
|
_scsih_sas_host_add(struct MPT2SAS_ADAPTER *ioc)
|
|
{
|
|
int i;
|
|
Mpi2ConfigReply_t mpi_reply;
|
|
Mpi2SasIOUnitPage0_t *sas_iounit_pg0 = NULL;
|
|
Mpi2SasIOUnitPage1_t *sas_iounit_pg1 = NULL;
|
|
Mpi2SasPhyPage0_t phy_pg0;
|
|
Mpi2SasDevicePage0_t sas_device_pg0;
|
|
Mpi2SasEnclosurePage0_t enclosure_pg0;
|
|
u16 ioc_status;
|
|
u16 sz;
|
|
u16 device_missing_delay;
|
|
|
|
mpt2sas_config_get_number_hba_phys(ioc, &ioc->sas_hba.num_phys);
|
|
if (!ioc->sas_hba.num_phys) {
|
|
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
|
|
ioc->name, __FILE__, __LINE__, __func__);
|
|
return;
|
|
}
|
|
|
|
/* 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__);
|
|
return;
|
|
}
|
|
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__);
|
|
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__);
|
|
goto out;
|
|
}
|
|
|
|
/* 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__);
|
|
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__);
|
|
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__);
|
|
goto out;
|
|
}
|
|
|
|
ioc->io_missing_delay =
|
|
le16_to_cpu(sas_iounit_pg1->IODeviceMissingDelay);
|
|
device_missing_delay =
|
|
le16_to_cpu(sas_iounit_pg1->ReportDeviceMissingDelay);
|
|
if (device_missing_delay & MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16)
|
|
ioc->device_missing_delay = (device_missing_delay &
|
|
MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16;
|
|
else
|
|
ioc->device_missing_delay = device_missing_delay &
|
|
MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK;
|
|
|
|
ioc->sas_hba.parent_dev = &ioc->shost->shost_gendev;
|
|
ioc->sas_hba.phy = kcalloc(ioc->sas_hba.num_phys,
|
|
sizeof(struct _sas_phy), GFP_KERNEL);
|
|
if (!ioc->sas_hba.phy) {
|
|
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
|
|
ioc->name, __FILE__, __LINE__, __func__);
|
|
goto out;
|
|
}
|
|
for (i = 0; i < ioc->sas_hba.num_phys ; i++) {
|
|
if ((mpt2sas_config_get_phy_pg0(ioc, &mpi_reply, &phy_pg0,
|
|
i))) {
|
|
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
|
|
ioc->name, __FILE__, __LINE__, __func__);
|
|
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__);
|
|
goto out;
|
|
}
|
|
|
|
if (i == 0)
|
|
ioc->sas_hba.handle = le16_to_cpu(sas_iounit_pg0->
|
|
PhyData[0].ControllerDevHandle);
|
|
ioc->sas_hba.phy[i].handle = ioc->sas_hba.handle;
|
|
ioc->sas_hba.phy[i].phy_id = i;
|
|
mpt2sas_transport_add_host_phy(ioc, &ioc->sas_hba.phy[i],
|
|
phy_pg0, ioc->sas_hba.parent_dev);
|
|
}
|
|
if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
|
|
MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, ioc->sas_hba.handle))) {
|
|
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
|
|
ioc->name, __FILE__, __LINE__, __func__);
|
|
goto out;
|
|
}
|
|
ioc->sas_hba.enclosure_handle =
|
|
le16_to_cpu(sas_device_pg0.EnclosureHandle);
|
|
ioc->sas_hba.sas_address = le64_to_cpu(sas_device_pg0.SASAddress);
|
|
printk(MPT2SAS_INFO_FMT "host_add: handle(0x%04x), "
|
|
"sas_addr(0x%016llx), phys(%d)\n", ioc->name, ioc->sas_hba.handle,
|
|
(unsigned long long) ioc->sas_hba.sas_address,
|
|
ioc->sas_hba.num_phys) ;
|
|
|
|
if (ioc->sas_hba.enclosure_handle) {
|
|
if (!(mpt2sas_config_get_enclosure_pg0(ioc, &mpi_reply,
|
|
&enclosure_pg0,
|
|
MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE,
|
|
ioc->sas_hba.enclosure_handle))) {
|
|
ioc->sas_hba.enclosure_logical_id =
|
|
le64_to_cpu(enclosure_pg0.EnclosureLogicalID);
|
|
}
|
|
}
|
|
|
|
out:
|
|
kfree(sas_iounit_pg1);
|
|
kfree(sas_iounit_pg0);
|
|
}
|
|
|
|
/**
|
|
* _scsih_expander_add - creating expander object
|
|
* @ioc: per adapter object
|
|
* @handle: expander handle
|
|
*
|
|
* Creating expander object, stored in ioc->sas_expander_list.
|
|
*
|
|
* Return 0 for success, else error.
|
|
*/
|
|
static int
|
|
_scsih_expander_add(struct MPT2SAS_ADAPTER *ioc, u16 handle)
|
|
{
|
|
struct _sas_node *sas_expander;
|
|
Mpi2ConfigReply_t mpi_reply;
|
|
Mpi2ExpanderPage0_t expander_pg0;
|
|
Mpi2ExpanderPage1_t expander_pg1;
|
|
Mpi2SasEnclosurePage0_t enclosure_pg0;
|
|
u32 ioc_status;
|
|
u16 parent_handle;
|
|
__le64 sas_address, sas_address_parent = 0;
|
|
int i;
|
|
unsigned long flags;
|
|
struct _sas_port *mpt2sas_port = NULL;
|
|
int rc = 0;
|
|
|
|
if (!handle)
|
|
return -1;
|
|
|
|
if (ioc->shost_recovery || ioc->pci_error_recovery)
|
|
return -1;
|
|
|
|
if ((mpt2sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0,
|
|
MPI2_SAS_EXPAND_PGAD_FORM_HNDL, handle))) {
|
|
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
|
|
ioc->name, __FILE__, __LINE__, __func__);
|
|
return -1;
|
|
}
|
|
|
|
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__);
|
|
return -1;
|
|
}
|
|
|
|
/* handle out of order topology events */
|
|
parent_handle = le16_to_cpu(expander_pg0.ParentDevHandle);
|
|
if (_scsih_get_sas_address(ioc, parent_handle, &sas_address_parent)
|
|
!= 0) {
|
|
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
|
|
ioc->name, __FILE__, __LINE__, __func__);
|
|
return -1;
|
|
}
|
|
if (sas_address_parent != ioc->sas_hba.sas_address) {
|
|
spin_lock_irqsave(&ioc->sas_node_lock, flags);
|
|
sas_expander = mpt2sas_scsih_expander_find_by_sas_address(ioc,
|
|
sas_address_parent);
|
|
spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
|
|
if (!sas_expander) {
|
|
rc = _scsih_expander_add(ioc, parent_handle);
|
|
if (rc != 0)
|
|
return rc;
|
|
}
|
|
}
|
|
|
|
spin_lock_irqsave(&ioc->sas_node_lock, flags);
|
|
sas_address = le64_to_cpu(expander_pg0.SASAddress);
|
|
sas_expander = mpt2sas_scsih_expander_find_by_sas_address(ioc,
|
|
sas_address);
|
|
spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
|
|
|
|
if (sas_expander)
|
|
return 0;
|
|
|
|
sas_expander = kzalloc(sizeof(struct _sas_node),
|
|
GFP_KERNEL);
|
|
if (!sas_expander) {
|
|
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
|
|
ioc->name, __FILE__, __LINE__, __func__);
|
|
return -1;
|
|
}
|
|
|
|
sas_expander->handle = handle;
|
|
sas_expander->num_phys = expander_pg0.NumPhys;
|
|
sas_expander->sas_address_parent = sas_address_parent;
|
|
sas_expander->sas_address = sas_address;
|
|
|
|
printk(MPT2SAS_INFO_FMT "expander_add: handle(0x%04x),"
|
|
" parent(0x%04x), sas_addr(0x%016llx), phys(%d)\n", ioc->name,
|
|
handle, parent_handle, (unsigned long long)
|
|
sas_expander->sas_address, sas_expander->num_phys);
|
|
|
|
if (!sas_expander->num_phys)
|
|
goto out_fail;
|
|
sas_expander->phy = kcalloc(sas_expander->num_phys,
|
|
sizeof(struct _sas_phy), GFP_KERNEL);
|
|
if (!sas_expander->phy) {
|
|
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
|
|
ioc->name, __FILE__, __LINE__, __func__);
|
|
rc = -1;
|
|
goto out_fail;
|
|
}
|
|
|
|
INIT_LIST_HEAD(&sas_expander->sas_port_list);
|
|
mpt2sas_port = mpt2sas_transport_port_add(ioc, handle,
|
|
sas_address_parent);
|
|
if (!mpt2sas_port) {
|
|
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
|
|
ioc->name, __FILE__, __LINE__, __func__);
|
|
rc = -1;
|
|
goto out_fail;
|
|
}
|
|
sas_expander->parent_dev = &mpt2sas_port->rphy->dev;
|
|
|
|
for (i = 0 ; i < sas_expander->num_phys ; i++) {
|
|
if ((mpt2sas_config_get_expander_pg1(ioc, &mpi_reply,
|
|
&expander_pg1, i, handle))) {
|
|
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
|
|
ioc->name, __FILE__, __LINE__, __func__);
|
|
rc = -1;
|
|
goto out_fail;
|
|
}
|
|
sas_expander->phy[i].handle = handle;
|
|
sas_expander->phy[i].phy_id = i;
|
|
|
|
if ((mpt2sas_transport_add_expander_phy(ioc,
|
|
&sas_expander->phy[i], expander_pg1,
|
|
sas_expander->parent_dev))) {
|
|
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
|
|
ioc->name, __FILE__, __LINE__, __func__);
|
|
rc = -1;
|
|
goto out_fail;
|
|
}
|
|
}
|
|
|
|
if (sas_expander->enclosure_handle) {
|
|
if (!(mpt2sas_config_get_enclosure_pg0(ioc, &mpi_reply,
|
|
&enclosure_pg0, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE,
|
|
sas_expander->enclosure_handle))) {
|
|
sas_expander->enclosure_logical_id =
|
|
le64_to_cpu(enclosure_pg0.EnclosureLogicalID);
|
|
}
|
|
}
|
|
|
|
_scsih_expander_node_add(ioc, sas_expander);
|
|
return 0;
|
|
|
|
out_fail:
|
|
|
|
if (mpt2sas_port)
|
|
mpt2sas_transport_port_remove(ioc, sas_expander->sas_address,
|
|
sas_address_parent);
|
|
kfree(sas_expander);
|
|
return rc;
|
|
}
|
|
|
|
/**
|
|
* _scsih_done - scsih callback handler.
|
|
* @ioc: per adapter object
|
|
* @smid: system request message index
|
|
* @msix_index: MSIX table index supplied by the OS
|
|
* @reply: reply message frame(lower 32bit addr)
|
|
*
|
|
* Callback handler when sending internal generated message frames.
|
|
* The callback index passed is `ioc->scsih_cb_idx`
|
|
*
|
|
* Return 1 meaning mf should be freed from _base_interrupt
|
|
* 0 means the mf is freed from this function.
|
|
*/
|
|
static u8
|
|
_scsih_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply)
|
|
{
|
|
MPI2DefaultReply_t *mpi_reply;
|
|
|
|
mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply);
|
|
if (ioc->scsih_cmds.status == MPT2_CMD_NOT_USED)
|
|
return 1;
|
|
if (ioc->scsih_cmds.smid != smid)
|
|
return 1;
|
|
ioc->scsih_cmds.status |= MPT2_CMD_COMPLETE;
|
|
if (mpi_reply) {
|
|
memcpy(ioc->scsih_cmds.reply, mpi_reply,
|
|
mpi_reply->MsgLength*4);
|
|
ioc->scsih_cmds.status |= MPT2_CMD_REPLY_VALID;
|
|
}
|
|
ioc->scsih_cmds.status &= ~MPT2_CMD_PENDING;
|
|
complete(&ioc->scsih_cmds.done);
|
|
return 1;
|
|
}
|
|
|
|
/**
|
|
* mpt2sas_expander_remove - removing expander object
|
|
* @ioc: per adapter object
|
|
* @sas_address: expander sas_address
|
|
*
|
|
* Return nothing.
|
|
*/
|
|
void
|
|
mpt2sas_expander_remove(struct MPT2SAS_ADAPTER *ioc, u64 sas_address)
|
|
{
|
|
struct _sas_node *sas_expander;
|
|
unsigned long flags;
|
|
|
|
if (ioc->shost_recovery)
|
|
return;
|
|
|
|
spin_lock_irqsave(&ioc->sas_node_lock, flags);
|
|
sas_expander = mpt2sas_scsih_expander_find_by_sas_address(ioc,
|
|
sas_address);
|
|
if (!sas_expander) {
|
|
spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
|
|
return;
|
|
}
|
|
list_del(&sas_expander->list);
|
|
spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
|
|
_scsih_expander_node_remove(ioc, sas_expander);
|
|
}
|
|
|
|
/**
|
|
* _scsih_check_access_status - check access flags
|
|
* @ioc: per adapter object
|
|
* @sas_address: sas address
|
|
* @handle: sas device handle
|
|
* @access_flags: errors returned during discovery of the device
|
|
*
|
|
* Return 0 for success, else failure
|
|
*/
|
|
static u8
|
|
_scsih_check_access_status(struct MPT2SAS_ADAPTER *ioc, u64 sas_address,
|
|
u16 handle, u8 access_status)
|
|
{
|
|
u8 rc = 1;
|
|
char *desc = NULL;
|
|
|
|
switch (access_status) {
|
|
case MPI2_SAS_DEVICE0_ASTATUS_NO_ERRORS:
|
|
case MPI2_SAS_DEVICE0_ASTATUS_SATA_NEEDS_INITIALIZATION:
|
|
rc = 0;
|
|
break;
|
|
case MPI2_SAS_DEVICE0_ASTATUS_SATA_CAPABILITY_FAILED:
|
|
desc = "sata capability failed";
|
|
break;
|
|
case MPI2_SAS_DEVICE0_ASTATUS_SATA_AFFILIATION_CONFLICT:
|
|
desc = "sata affiliation conflict";
|
|
break;
|
|
case MPI2_SAS_DEVICE0_ASTATUS_ROUTE_NOT_ADDRESSABLE:
|
|
desc = "route not addressable";
|
|
break;
|
|
case MPI2_SAS_DEVICE0_ASTATUS_SMP_ERROR_NOT_ADDRESSABLE:
|
|
desc = "smp error not addressable";
|
|
break;
|
|
case MPI2_SAS_DEVICE0_ASTATUS_DEVICE_BLOCKED:
|
|
desc = "device blocked";
|
|
break;
|
|
case MPI2_SAS_DEVICE0_ASTATUS_SATA_INIT_FAILED:
|
|
case MPI2_SAS_DEVICE0_ASTATUS_SIF_UNKNOWN:
|
|
case MPI2_SAS_DEVICE0_ASTATUS_SIF_AFFILIATION_CONFLICT:
|
|
case MPI2_SAS_DEVICE0_ASTATUS_SIF_DIAG:
|
|
case MPI2_SAS_DEVICE0_ASTATUS_SIF_IDENTIFICATION:
|
|
case MPI2_SAS_DEVICE0_ASTATUS_SIF_CHECK_POWER:
|
|
case MPI2_SAS_DEVICE0_ASTATUS_SIF_PIO_SN:
|
|
case MPI2_SAS_DEVICE0_ASTATUS_SIF_MDMA_SN:
|
|
case MPI2_SAS_DEVICE0_ASTATUS_SIF_UDMA_SN:
|
|
case MPI2_SAS_DEVICE0_ASTATUS_SIF_ZONING_VIOLATION:
|
|
case MPI2_SAS_DEVICE0_ASTATUS_SIF_NOT_ADDRESSABLE:
|
|
case MPI2_SAS_DEVICE0_ASTATUS_SIF_MAX:
|
|
desc = "sata initialization failed";
|
|
break;
|
|
default:
|
|
desc = "unknown";
|
|
break;
|
|
}
|
|
|
|
if (!rc)
|
|
return 0;
|
|
|
|
printk(MPT2SAS_ERR_FMT "discovery errors(%s): sas_address(0x%016llx), "
|
|
"handle(0x%04x)\n", ioc->name, desc,
|
|
(unsigned long long)sas_address, handle);
|
|
return rc;
|
|
}
|
|
|
|
static void
|
|
_scsih_check_device(struct MPT2SAS_ADAPTER *ioc, u16 handle)
|
|
{
|
|
Mpi2ConfigReply_t mpi_reply;
|
|
Mpi2SasDevicePage0_t sas_device_pg0;
|
|
struct _sas_device *sas_device;
|
|
u32 ioc_status;
|
|
unsigned long flags;
|
|
u64 sas_address;
|
|
struct scsi_target *starget;
|
|
struct MPT2SAS_TARGET *sas_target_priv_data;
|
|
u32 device_info;
|
|
|
|
if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
|
|
MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle)))
|
|
return;
|
|
|
|
ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK;
|
|
if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
|
|
return;
|
|
|
|
/* check if this is end device */
|
|
device_info = le32_to_cpu(sas_device_pg0.DeviceInfo);
|
|
if (!(_scsih_is_end_device(device_info)))
|
|
return;
|
|
|
|
spin_lock_irqsave(&ioc->sas_device_lock, flags);
|
|
sas_address = le64_to_cpu(sas_device_pg0.SASAddress);
|
|
sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
|
|
sas_address);
|
|
|
|
if (!sas_device) {
|
|
printk(MPT2SAS_ERR_FMT "device is not present "
|
|
"handle(0x%04x), no sas_device!!!\n", ioc->name, handle);
|
|
spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
|
|
return;
|
|
}
|
|
|
|
if (unlikely(sas_device->handle != handle)) {
|
|
starget = sas_device->starget;
|
|
sas_target_priv_data = starget->hostdata;
|
|
starget_printk(KERN_INFO, starget, "handle changed from(0x%04x)"
|
|
" to (0x%04x)!!!\n", sas_device->handle, handle);
|
|
sas_target_priv_data->handle = handle;
|
|
sas_device->handle = handle;
|
|
}
|
|
spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
|
|
|
|
/* check if device is present */
|
|
if (!(le16_to_cpu(sas_device_pg0.Flags) &
|
|
MPI2_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)) {
|
|
printk(MPT2SAS_ERR_FMT "device is not present "
|
|
"handle(0x%04x), flags!!!\n", ioc->name, handle);
|
|
return;
|
|
}
|
|
|
|
/* check if there were any issues with discovery */
|
|
if (_scsih_check_access_status(ioc, sas_address, handle,
|
|
sas_device_pg0.AccessStatus))
|
|
return;
|
|
_scsih_ublock_io_device(ioc, handle);
|
|
|
|
}
|
|
|
|
/**
|
|
* _scsih_add_device - creating sas device object
|
|
* @ioc: per adapter object
|
|
* @handle: sas device handle
|
|
* @phy_num: phy number end device attached to
|
|
* @is_pd: is this hidden raid component
|
|
*
|
|
* Creating end device object, stored in ioc->sas_device_list.
|
|
*
|
|
* Returns 0 for success, non-zero for failure.
|
|
*/
|
|
static int
|
|
_scsih_add_device(struct MPT2SAS_ADAPTER *ioc, u16 handle, u8 phy_num, u8 is_pd)
|
|
{
|
|
Mpi2ConfigReply_t mpi_reply;
|
|
Mpi2SasDevicePage0_t sas_device_pg0;
|
|
Mpi2SasEnclosurePage0_t enclosure_pg0;
|
|
struct _sas_device *sas_device;
|
|
u32 ioc_status;
|
|
__le64 sas_address;
|
|
u32 device_info;
|
|
unsigned long flags;
|
|
|
|
if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
|
|
MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) {
|
|
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
|
|
ioc->name, __FILE__, __LINE__, __func__);
|
|
return -1;
|
|
}
|
|
|
|
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__);
|
|
return -1;
|
|
}
|
|
|
|
sas_address = le64_to_cpu(sas_device_pg0.SASAddress);
|
|
|
|
/* check if device is present */
|
|
if (!(le16_to_cpu(sas_device_pg0.Flags) &
|
|
MPI2_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)) {
|
|
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
|
|
ioc->name, __FILE__, __LINE__, __func__);
|
|
printk(MPT2SAS_ERR_FMT "Flags = 0x%04x\n",
|
|
ioc->name, le16_to_cpu(sas_device_pg0.Flags));
|
|
return -1;
|
|
}
|
|
|
|
/* check if there were any issues with discovery */
|
|
if (_scsih_check_access_status(ioc, sas_address, handle,
|
|
sas_device_pg0.AccessStatus))
|
|
return -1;
|
|
|
|
/* check if this is end device */
|
|
device_info = le32_to_cpu(sas_device_pg0.DeviceInfo);
|
|
if (!(_scsih_is_end_device(device_info))) {
|
|
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
|
|
ioc->name, __FILE__, __LINE__, __func__);
|
|
return -1;
|
|
}
|
|
|
|
|
|
spin_lock_irqsave(&ioc->sas_device_lock, flags);
|
|
sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
|
|
sas_address);
|
|
spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
|
|
|
|
if (sas_device)
|
|
return 0;
|
|
|
|
sas_device = kzalloc(sizeof(struct _sas_device),
|
|
GFP_KERNEL);
|
|
if (!sas_device) {
|
|
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
|
|
ioc->name, __FILE__, __LINE__, __func__);
|
|
return -1;
|
|
}
|
|
|
|
sas_device->handle = handle;
|
|
if (_scsih_get_sas_address(ioc, le16_to_cpu
|
|
(sas_device_pg0.ParentDevHandle),
|
|
&sas_device->sas_address_parent) != 0)
|
|
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
|
|
ioc->name, __FILE__, __LINE__, __func__);
|
|
sas_device->enclosure_handle =
|
|
le16_to_cpu(sas_device_pg0.EnclosureHandle);
|
|
sas_device->slot =
|
|
le16_to_cpu(sas_device_pg0.Slot);
|
|
sas_device->device_info = device_info;
|
|
sas_device->sas_address = sas_address;
|
|
sas_device->phy = sas_device_pg0.PhyNum;
|
|
|
|
/* get enclosure_logical_id */
|
|
if (sas_device->enclosure_handle && !(mpt2sas_config_get_enclosure_pg0(
|
|
ioc, &mpi_reply, &enclosure_pg0, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE,
|
|
sas_device->enclosure_handle)))
|
|
sas_device->enclosure_logical_id =
|
|
le64_to_cpu(enclosure_pg0.EnclosureLogicalID);
|
|
|
|
/* get device name */
|
|
sas_device->device_name = le64_to_cpu(sas_device_pg0.DeviceName);
|
|
|
|
if (ioc->wait_for_port_enable_to_complete)
|
|
_scsih_sas_device_init_add(ioc, sas_device);
|
|
else
|
|
_scsih_sas_device_add(ioc, sas_device);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* _scsih_remove_device - removing sas device object
|
|
* @ioc: per adapter object
|
|
* @sas_device_delete: the sas_device object
|
|
*
|
|
* Return nothing.
|
|
*/
|
|
static void
|
|
_scsih_remove_device(struct MPT2SAS_ADAPTER *ioc,
|
|
struct _sas_device *sas_device)
|
|
{
|
|
struct _sas_device sas_device_backup;
|
|
struct MPT2SAS_TARGET *sas_target_priv_data;
|
|
|
|
if (!sas_device)
|
|
return;
|
|
|
|
memcpy(&sas_device_backup, sas_device, sizeof(struct _sas_device));
|
|
_scsih_sas_device_remove(ioc, sas_device);
|
|
|
|
dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter: "
|
|
"handle(0x%04x), sas_addr(0x%016llx)\n", ioc->name, __func__,
|
|
sas_device_backup.handle, (unsigned long long)
|
|
sas_device_backup.sas_address));
|
|
|
|
if (sas_device_backup.starget && sas_device_backup.starget->hostdata) {
|
|
sas_target_priv_data = sas_device_backup.starget->hostdata;
|
|
sas_target_priv_data->deleted = 1;
|
|
}
|
|
|
|
_scsih_ublock_io_device(ioc, sas_device_backup.handle);
|
|
|
|
mpt2sas_transport_port_remove(ioc, sas_device_backup.sas_address,
|
|
sas_device_backup.sas_address_parent);
|
|
|
|
printk(MPT2SAS_INFO_FMT "removing handle(0x%04x), sas_addr"
|
|
"(0x%016llx)\n", ioc->name, sas_device_backup.handle,
|
|
(unsigned long long) sas_device_backup.sas_address);
|
|
|
|
dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: exit: "
|
|
"handle(0x%04x), sas_addr(0x%016llx)\n", ioc->name, __func__,
|
|
sas_device_backup.handle, (unsigned long long)
|
|
sas_device_backup.sas_address));
|
|
}
|
|
|
|
/**
|
|
* mpt2sas_device_remove - removing device object
|
|
* @ioc: per adapter object
|
|
* @sas_address: expander sas_address
|
|
*
|
|
* Return nothing.
|
|
*/
|
|
void
|
|
mpt2sas_device_remove(struct MPT2SAS_ADAPTER *ioc, u64 sas_address)
|
|
{
|
|
struct _sas_device *sas_device;
|
|
unsigned long flags;
|
|
|
|
if (ioc->shost_recovery)
|
|
return;
|
|
|
|
spin_lock_irqsave(&ioc->sas_device_lock, flags);
|
|
sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
|
|
sas_address);
|
|
if (!sas_device) {
|
|
spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
|
|
return;
|
|
}
|
|
spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
|
|
_scsih_remove_device(ioc, sas_device);
|
|
}
|
|
|
|
#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
|
|
/**
|
|
* _scsih_sas_topology_change_event_debug - debug for topology event
|
|
* @ioc: per adapter object
|
|
* @event_data: event data payload
|
|
* Context: user.
|
|
*/
|
|
static void
|
|
_scsih_sas_topology_change_event_debug(struct MPT2SAS_ADAPTER *ioc,
|
|
Mpi2EventDataSasTopologyChangeList_t *event_data)
|
|
{
|
|
int i;
|
|
u16 handle;
|
|
u16 reason_code;
|
|
u8 phy_number;
|
|
char *status_str = NULL;
|
|
u8 link_rate, prev_link_rate;
|
|
|
|
switch (event_data->ExpStatus) {
|
|
case MPI2_EVENT_SAS_TOPO_ES_ADDED:
|
|
status_str = "add";
|
|
break;
|
|
case MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING:
|
|
status_str = "remove";
|
|
break;
|
|
case MPI2_EVENT_SAS_TOPO_ES_RESPONDING:
|
|
case 0:
|
|
status_str = "responding";
|
|
break;
|
|
case MPI2_EVENT_SAS_TOPO_ES_DELAY_NOT_RESPONDING:
|
|
status_str = "remove delay";
|
|
break;
|
|
default:
|
|
status_str = "unknown status";
|
|
break;
|
|
}
|
|
printk(MPT2SAS_INFO_FMT "sas topology change: (%s)\n",
|
|
ioc->name, status_str);
|
|
printk(KERN_INFO "\thandle(0x%04x), enclosure_handle(0x%04x) "
|
|
"start_phy(%02d), count(%d)\n",
|
|
le16_to_cpu(event_data->ExpanderDevHandle),
|
|
le16_to_cpu(event_data->EnclosureHandle),
|
|
event_data->StartPhyNum, event_data->NumEntries);
|
|
for (i = 0; i < event_data->NumEntries; i++) {
|
|
handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle);
|
|
if (!handle)
|
|
continue;
|
|
phy_number = event_data->StartPhyNum + i;
|
|
reason_code = event_data->PHY[i].PhyStatus &
|
|
MPI2_EVENT_SAS_TOPO_RC_MASK;
|
|
switch (reason_code) {
|
|
case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED:
|
|
status_str = "target add";
|
|
break;
|
|
case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING:
|
|
status_str = "target remove";
|
|
break;
|
|
case MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING:
|
|
status_str = "delay target remove";
|
|
break;
|
|
case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED:
|
|
status_str = "link rate change";
|
|
break;
|
|
case MPI2_EVENT_SAS_TOPO_RC_NO_CHANGE:
|
|
status_str = "target responding";
|
|
break;
|
|
default:
|
|
status_str = "unknown";
|
|
break;
|
|
}
|
|
link_rate = event_data->PHY[i].LinkRate >> 4;
|
|
prev_link_rate = event_data->PHY[i].LinkRate & 0xF;
|
|
printk(KERN_INFO "\tphy(%02d), attached_handle(0x%04x): %s:"
|
|
" link rate: new(0x%02x), old(0x%02x)\n", phy_number,
|
|
handle, status_str, link_rate, prev_link_rate);
|
|
|
|
}
|
|
}
|
|
#endif
|
|
|
|
/**
|
|
* _scsih_sas_topology_change_event - handle topology changes
|
|
* @ioc: per adapter object
|
|
* @fw_event: The fw_event_work object
|
|
* Context: user.
|
|
*
|
|
*/
|
|
static void
|
|
_scsih_sas_topology_change_event(struct MPT2SAS_ADAPTER *ioc,
|
|
struct fw_event_work *fw_event)
|
|
{
|
|
int i;
|
|
u16 parent_handle, handle;
|
|
u16 reason_code;
|
|
u8 phy_number, max_phys;
|
|
struct _sas_node *sas_expander;
|
|
struct _sas_device *sas_device;
|
|
u64 sas_address;
|
|
unsigned long flags;
|
|
u8 link_rate, prev_link_rate;
|
|
Mpi2EventDataSasTopologyChangeList_t *event_data = fw_event->event_data;
|
|
|
|
#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
|
|
if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK)
|
|
_scsih_sas_topology_change_event_debug(ioc, event_data);
|
|
#endif
|
|
|
|
if (ioc->shost_recovery || ioc->remove_host || ioc->pci_error_recovery)
|
|
return;
|
|
|
|
if (!ioc->sas_hba.num_phys)
|
|
_scsih_sas_host_add(ioc);
|
|
else
|
|
_scsih_sas_host_refresh(ioc);
|
|
|
|
if (fw_event->ignore) {
|
|
dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "ignoring expander "
|
|
"event\n", ioc->name));
|
|
return;
|
|
}
|
|
|
|
parent_handle = le16_to_cpu(event_data->ExpanderDevHandle);
|
|
|
|
/* handle expander add */
|
|
if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_ADDED)
|
|
if (_scsih_expander_add(ioc, parent_handle) != 0)
|
|
return;
|
|
|
|
spin_lock_irqsave(&ioc->sas_node_lock, flags);
|
|
sas_expander = mpt2sas_scsih_expander_find_by_handle(ioc,
|
|
parent_handle);
|
|
spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
|
|
if (sas_expander) {
|
|
sas_address = sas_expander->sas_address;
|
|
max_phys = sas_expander->num_phys;
|
|
} else if (parent_handle < ioc->sas_hba.num_phys) {
|
|
sas_address = ioc->sas_hba.sas_address;
|
|
max_phys = ioc->sas_hba.num_phys;
|
|
} else
|
|
return;
|
|
|
|
/* handle siblings events */
|
|
for (i = 0; i < event_data->NumEntries; i++) {
|
|
if (fw_event->ignore) {
|
|
dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "ignoring "
|
|
"expander event\n", ioc->name));
|
|
return;
|
|
}
|
|
if (ioc->shost_recovery || ioc->remove_host ||
|
|
ioc->pci_error_recovery)
|
|
return;
|
|
phy_number = event_data->StartPhyNum + i;
|
|
if (phy_number >= max_phys)
|
|
continue;
|
|
reason_code = event_data->PHY[i].PhyStatus &
|
|
MPI2_EVENT_SAS_TOPO_RC_MASK;
|
|
if ((event_data->PHY[i].PhyStatus &
|
|
MPI2_EVENT_SAS_TOPO_PHYSTATUS_VACANT) && (reason_code !=
|
|
MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING))
|
|
continue;
|
|
handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle);
|
|
if (!handle)
|
|
continue;
|
|
link_rate = event_data->PHY[i].LinkRate >> 4;
|
|
prev_link_rate = event_data->PHY[i].LinkRate & 0xF;
|
|
switch (reason_code) {
|
|
case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED:
|
|
|
|
if (link_rate == prev_link_rate)
|
|
break;
|
|
|
|
mpt2sas_transport_update_links(ioc, sas_address,
|
|
handle, phy_number, link_rate);
|
|
|
|
if (link_rate < MPI2_SAS_NEG_LINK_RATE_1_5)
|
|
break;
|
|
|
|
_scsih_check_device(ioc, handle);
|
|
break;
|
|
case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED:
|
|
|
|
mpt2sas_transport_update_links(ioc, sas_address,
|
|
handle, phy_number, link_rate);
|
|
|
|
_scsih_add_device(ioc, handle, phy_number, 0);
|
|
break;
|
|
case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING:
|
|
|
|
spin_lock_irqsave(&ioc->sas_device_lock, flags);
|
|
sas_device = _scsih_sas_device_find_by_handle(ioc,
|
|
handle);
|
|
if (!sas_device) {
|
|
spin_unlock_irqrestore(&ioc->sas_device_lock,
|
|
flags);
|
|
break;
|
|
}
|
|
spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
|
|
_scsih_remove_device(ioc, sas_device);
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* handle expander removal */
|
|
if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING &&
|
|
sas_expander)
|
|
mpt2sas_expander_remove(ioc, sas_address);
|
|
|
|
}
|
|
|
|
#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
|
|
/**
|
|
* _scsih_sas_device_status_change_event_debug - debug for device event
|
|
* @event_data: event data payload
|
|
* Context: user.
|
|
*
|
|
* Return nothing.
|
|
*/
|
|
static void
|
|
_scsih_sas_device_status_change_event_debug(struct MPT2SAS_ADAPTER *ioc,
|
|
Mpi2EventDataSasDeviceStatusChange_t *event_data)
|
|
{
|
|
char *reason_str = NULL;
|
|
|
|
switch (event_data->ReasonCode) {
|
|
case MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA:
|
|
reason_str = "smart data";
|
|
break;
|
|
case MPI2_EVENT_SAS_DEV_STAT_RC_UNSUPPORTED:
|
|
reason_str = "unsupported device discovered";
|
|
break;
|
|
case MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET:
|
|
reason_str = "internal device reset";
|
|
break;
|
|
case MPI2_EVENT_SAS_DEV_STAT_RC_TASK_ABORT_INTERNAL:
|
|
reason_str = "internal task abort";
|
|
break;
|
|
case MPI2_EVENT_SAS_DEV_STAT_RC_ABORT_TASK_SET_INTERNAL:
|
|
reason_str = "internal task abort set";
|
|
break;
|
|
case MPI2_EVENT_SAS_DEV_STAT_RC_CLEAR_TASK_SET_INTERNAL:
|
|
reason_str = "internal clear task set";
|
|
break;
|
|
case MPI2_EVENT_SAS_DEV_STAT_RC_QUERY_TASK_INTERNAL:
|
|
reason_str = "internal query task";
|
|
break;
|
|
case MPI2_EVENT_SAS_DEV_STAT_RC_SATA_INIT_FAILURE:
|
|
reason_str = "sata init failure";
|
|
break;
|
|
case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET:
|
|
reason_str = "internal device reset complete";
|
|
break;
|
|
case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_TASK_ABORT_INTERNAL:
|
|
reason_str = "internal task abort complete";
|
|
break;
|
|
case MPI2_EVENT_SAS_DEV_STAT_RC_ASYNC_NOTIFICATION:
|
|
reason_str = "internal async notification";
|
|
break;
|
|
case MPI2_EVENT_SAS_DEV_STAT_RC_EXPANDER_REDUCED_FUNCTIONALITY:
|
|
reason_str = "expander reduced functionality";
|
|
break;
|
|
case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_EXPANDER_REDUCED_FUNCTIONALITY:
|
|
reason_str = "expander reduced functionality complete";
|
|
break;
|
|
default:
|
|
reason_str = "unknown reason";
|
|
break;
|
|
}
|
|
printk(MPT2SAS_INFO_FMT "device status change: (%s)\n"
|
|
"\thandle(0x%04x), sas address(0x%016llx)", ioc->name,
|
|
reason_str, le16_to_cpu(event_data->DevHandle),
|
|
(unsigned long long)le64_to_cpu(event_data->SASAddress));
|
|
if (event_data->ReasonCode == MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA)
|
|
printk(MPT2SAS_INFO_FMT ", ASC(0x%x), ASCQ(0x%x)\n", ioc->name,
|
|
event_data->ASC, event_data->ASCQ);
|
|
printk(KERN_INFO "\n");
|
|
}
|
|
#endif
|
|
|
|
/**
|
|
* _scsih_sas_device_status_change_event - handle device status change
|
|
* @ioc: per adapter object
|
|
* @fw_event: The fw_event_work object
|
|
* Context: user.
|
|
*
|
|
* Return nothing.
|
|
*/
|
|
static void
|
|
_scsih_sas_device_status_change_event(struct MPT2SAS_ADAPTER *ioc,
|
|
struct fw_event_work *fw_event)
|
|
{
|
|
struct MPT2SAS_TARGET *target_priv_data;
|
|
struct _sas_device *sas_device;
|
|
__le64 sas_address;
|
|
unsigned long flags;
|
|
Mpi2EventDataSasDeviceStatusChange_t *event_data =
|
|
fw_event->event_data;
|
|
|
|
#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
|
|
if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK)
|
|
_scsih_sas_device_status_change_event_debug(ioc,
|
|
event_data);
|
|
#endif
|
|
|
|
/* In MPI Revision K (0xC), the internal device reset complete was
|
|
* implemented, so avoid setting tm_busy flag for older firmware.
|
|
*/
|
|
if ((ioc->facts.HeaderVersion >> 8) < 0xC)
|
|
return;
|
|
|
|
if (event_data->ReasonCode !=
|
|
MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET &&
|
|
event_data->ReasonCode !=
|
|
MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET)
|
|
return;
|
|
|
|
spin_lock_irqsave(&ioc->sas_device_lock, flags);
|
|
sas_address = le64_to_cpu(event_data->SASAddress);
|
|
sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
|
|
sas_address);
|
|
spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
|
|
|
|
if (!sas_device || !sas_device->starget)
|
|
return;
|
|
|
|
target_priv_data = sas_device->starget->hostdata;
|
|
if (!target_priv_data)
|
|
return;
|
|
|
|
if (event_data->ReasonCode ==
|
|
MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET)
|
|
target_priv_data->tm_busy = 1;
|
|
else
|
|
target_priv_data->tm_busy = 0;
|
|
}
|
|
|
|
#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
|
|
/**
|
|
* _scsih_sas_enclosure_dev_status_change_event_debug - debug for enclosure event
|
|
* @ioc: per adapter object
|
|
* @event_data: event data payload
|
|
* Context: user.
|
|
*
|
|
* Return nothing.
|
|
*/
|
|
static void
|
|
_scsih_sas_enclosure_dev_status_change_event_debug(struct MPT2SAS_ADAPTER *ioc,
|
|
Mpi2EventDataSasEnclDevStatusChange_t *event_data)
|
|
{
|
|
char *reason_str = NULL;
|
|
|
|
switch (event_data->ReasonCode) {
|
|
case MPI2_EVENT_SAS_ENCL_RC_ADDED:
|
|
reason_str = "enclosure add";
|
|
break;
|
|
case MPI2_EVENT_SAS_ENCL_RC_NOT_RESPONDING:
|
|
reason_str = "enclosure remove";
|
|
break;
|
|
default:
|
|
reason_str = "unknown reason";
|
|
break;
|
|
}
|
|
|
|
printk(MPT2SAS_INFO_FMT "enclosure status change: (%s)\n"
|
|
"\thandle(0x%04x), enclosure logical id(0x%016llx)"
|
|
" number slots(%d)\n", ioc->name, reason_str,
|
|
le16_to_cpu(event_data->EnclosureHandle),
|
|
(unsigned long long)le64_to_cpu(event_data->EnclosureLogicalID),
|
|
le16_to_cpu(event_data->StartSlot));
|
|
}
|
|
#endif
|
|
|
|
/**
|
|
* _scsih_sas_enclosure_dev_status_change_event - handle enclosure events
|
|
* @ioc: per adapter object
|
|
* @fw_event: The fw_event_work object
|
|
* Context: user.
|
|
*
|
|
* Return nothing.
|
|
*/
|
|
static void
|
|
_scsih_sas_enclosure_dev_status_change_event(struct MPT2SAS_ADAPTER *ioc,
|
|
struct fw_event_work *fw_event)
|
|
{
|
|
#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
|
|
if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK)
|
|
_scsih_sas_enclosure_dev_status_change_event_debug(ioc,
|
|
fw_event->event_data);
|
|
#endif
|
|
}
|
|
|
|
/**
|
|
* _scsih_sas_broadcast_primative_event - handle broadcast events
|
|
* @ioc: per adapter object
|
|
* @fw_event: The fw_event_work object
|
|
* Context: user.
|
|
*
|
|
* Return nothing.
|
|
*/
|
|
static void
|
|
_scsih_sas_broadcast_primative_event(struct MPT2SAS_ADAPTER *ioc,
|
|
struct fw_event_work *fw_event)
|
|
{
|
|
struct scsi_cmnd *scmd;
|
|
struct scsi_device *sdev;
|
|
u16 smid, handle;
|
|
u32 lun;
|
|
struct MPT2SAS_DEVICE *sas_device_priv_data;
|
|
u32 termination_count;
|
|
u32 query_count;
|
|
Mpi2SCSITaskManagementReply_t *mpi_reply;
|
|
#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
|
|
Mpi2EventDataSasBroadcastPrimitive_t *event_data = fw_event->event_data;
|
|
#endif
|
|
u16 ioc_status;
|
|
unsigned long flags;
|
|
int r;
|
|
|
|
dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "broadcast primative: "
|
|
"phy number(%d), width(%d)\n", ioc->name, event_data->PhyNum,
|
|
event_data->PortWidth));
|
|
dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter\n", ioc->name,
|
|
__func__));
|
|
|
|
spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
|
|
ioc->broadcast_aen_busy = 0;
|
|
termination_count = 0;
|
|
query_count = 0;
|
|
mpi_reply = ioc->tm_cmds.reply;
|
|
for (smid = 1; smid <= ioc->scsiio_depth; smid++) {
|
|
scmd = _scsih_scsi_lookup_get(ioc, smid);
|
|
if (!scmd)
|
|
continue;
|
|
sdev = scmd->device;
|
|
sas_device_priv_data = sdev->hostdata;
|
|
if (!sas_device_priv_data || !sas_device_priv_data->sas_target)
|
|
continue;
|
|
/* skip hidden raid components */
|
|
if (sas_device_priv_data->sas_target->flags &
|
|
MPT_TARGET_FLAGS_RAID_COMPONENT)
|
|
continue;
|
|
/* skip volumes */
|
|
if (sas_device_priv_data->sas_target->flags &
|
|
MPT_TARGET_FLAGS_VOLUME)
|
|
continue;
|
|
|
|
handle = sas_device_priv_data->sas_target->handle;
|
|
lun = sas_device_priv_data->lun;
|
|
query_count++;
|
|
|
|
spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
|
|
mpt2sas_scsih_issue_tm(ioc, handle, 0, 0, lun,
|
|
MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK, smid, 30, NULL);
|
|
ioc->tm_cmds.status = MPT2_CMD_NOT_USED;
|
|
ioc_status = le16_to_cpu(mpi_reply->IOCStatus)
|
|
& MPI2_IOCSTATUS_MASK;
|
|
if ((ioc_status == MPI2_IOCSTATUS_SUCCESS) &&
|
|
(mpi_reply->ResponseCode ==
|
|
MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED ||
|
|
mpi_reply->ResponseCode ==
|
|
MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC)) {
|
|
spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
|
|
continue;
|
|
}
|
|
r = mpt2sas_scsih_issue_tm(ioc, handle, sdev->channel, sdev->id,
|
|
sdev->lun, MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK, smid, 30,
|
|
scmd);
|
|
if (r == FAILED)
|
|
sdev_printk(KERN_WARNING, sdev, "task abort: FAILED "
|
|
"scmd(%p)\n", scmd);
|
|
termination_count += le32_to_cpu(mpi_reply->TerminationCount);
|
|
spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
|
|
}
|
|
spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
|
|
|
|
dtmprintk(ioc, printk(MPT2SAS_INFO_FMT
|
|
"%s - exit, query_count = %d termination_count = %d\n",
|
|
ioc->name, __func__, query_count, termination_count));
|
|
}
|
|
|
|
/**
|
|
* _scsih_sas_discovery_event - handle discovery events
|
|
* @ioc: per adapter object
|
|
* @fw_event: The fw_event_work object
|
|
* Context: user.
|
|
*
|
|
* Return nothing.
|
|
*/
|
|
static void
|
|
_scsih_sas_discovery_event(struct MPT2SAS_ADAPTER *ioc,
|
|
struct fw_event_work *fw_event)
|
|
{
|
|
Mpi2EventDataSasDiscovery_t *event_data = fw_event->event_data;
|
|
|
|
#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
|
|
if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) {
|
|
printk(MPT2SAS_INFO_FMT "discovery event: (%s)", ioc->name,
|
|
(event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED) ?
|
|
"start" : "stop");
|
|
if (event_data->DiscoveryStatus)
|
|
printk("discovery_status(0x%08x)",
|
|
le32_to_cpu(event_data->DiscoveryStatus));
|
|
printk("\n");
|
|
}
|
|
#endif
|
|
|
|
if (event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED &&
|
|
!ioc->sas_hba.num_phys)
|
|
_scsih_sas_host_add(ioc);
|
|
}
|
|
|
|
/**
|
|
* _scsih_reprobe_lun - reprobing lun
|
|
* @sdev: scsi device struct
|
|
* @no_uld_attach: sdev->no_uld_attach flag setting
|
|
*
|
|
**/
|
|
static void
|
|
_scsih_reprobe_lun(struct scsi_device *sdev, void *no_uld_attach)
|
|
{
|
|
int rc;
|
|
|
|
sdev->no_uld_attach = no_uld_attach ? 1 : 0;
|
|
sdev_printk(KERN_INFO, sdev, "%s raid component\n",
|
|
sdev->no_uld_attach ? "hidding" : "exposing");
|
|
rc = scsi_device_reprobe(sdev);
|
|
}
|
|
|
|
/**
|
|
* _scsih_reprobe_target - reprobing target
|
|
* @starget: scsi target struct
|
|
* @no_uld_attach: sdev->no_uld_attach flag setting
|
|
*
|
|
* Note: no_uld_attach flag determines whether the disk device is attached
|
|
* to block layer. A value of `1` means to not attach.
|
|
**/
|
|
static void
|
|
_scsih_reprobe_target(struct scsi_target *starget, int no_uld_attach)
|
|
{
|
|
struct MPT2SAS_TARGET *sas_target_priv_data = starget->hostdata;
|
|
|
|
if (no_uld_attach)
|
|
sas_target_priv_data->flags |= MPT_TARGET_FLAGS_RAID_COMPONENT;
|
|
else
|
|
sas_target_priv_data->flags &= ~MPT_TARGET_FLAGS_RAID_COMPONENT;
|
|
|
|
starget_for_each_device(starget, no_uld_attach ? (void *)1 : NULL,
|
|
_scsih_reprobe_lun);
|
|
}
|
|
/**
|
|
* _scsih_sas_volume_add - add new volume
|
|
* @ioc: per adapter object
|
|
* @element: IR config element data
|
|
* Context: user.
|
|
*
|
|
* Return nothing.
|
|
*/
|
|
static void
|
|
_scsih_sas_volume_add(struct MPT2SAS_ADAPTER *ioc,
|
|
Mpi2EventIrConfigElement_t *element)
|
|
{
|
|
struct _raid_device *raid_device;
|
|
unsigned long flags;
|
|
u64 wwid;
|
|
u16 handle = le16_to_cpu(element->VolDevHandle);
|
|
int rc;
|
|
|
|
mpt2sas_config_get_volume_wwid(ioc, handle, &wwid);
|
|
if (!wwid) {
|
|
printk(MPT2SAS_ERR_FMT
|
|
"failure at %s:%d/%s()!\n", ioc->name,
|
|
__FILE__, __LINE__, __func__);
|
|
return;
|
|
}
|
|
|
|
spin_lock_irqsave(&ioc->raid_device_lock, flags);
|
|
raid_device = _scsih_raid_device_find_by_wwid(ioc, wwid);
|
|
spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
|
|
|
|
if (raid_device)
|
|
return;
|
|
|
|
raid_device = kzalloc(sizeof(struct _raid_device), GFP_KERNEL);
|
|
if (!raid_device) {
|
|
printk(MPT2SAS_ERR_FMT
|
|
"failure at %s:%d/%s()!\n", ioc->name,
|
|
__FILE__, __LINE__, __func__);
|
|
return;
|
|
}
|
|
|
|
raid_device->id = ioc->sas_id++;
|
|
raid_device->channel = RAID_CHANNEL;
|
|
raid_device->handle = handle;
|
|
raid_device->wwid = wwid;
|
|
_scsih_raid_device_add(ioc, raid_device);
|
|
if (!ioc->wait_for_port_enable_to_complete) {
|
|
rc = scsi_add_device(ioc->shost, RAID_CHANNEL,
|
|
raid_device->id, 0);
|
|
if (rc)
|
|
_scsih_raid_device_remove(ioc, raid_device);
|
|
} else
|
|
_scsih_determine_boot_device(ioc, raid_device, 1);
|
|
}
|
|
|
|
/**
|
|
* _scsih_sas_volume_delete - delete volume
|
|
* @ioc: per adapter object
|
|
* @handle: volume device handle
|
|
* Context: user.
|
|
*
|
|
* Return nothing.
|
|
*/
|
|
static void
|
|
_scsih_sas_volume_delete(struct MPT2SAS_ADAPTER *ioc, u16 handle)
|
|
{
|
|
struct _raid_device *raid_device;
|
|
unsigned long flags;
|
|
struct MPT2SAS_TARGET *sas_target_priv_data;
|
|
|
|
spin_lock_irqsave(&ioc->raid_device_lock, flags);
|
|
raid_device = _scsih_raid_device_find_by_handle(ioc, handle);
|
|
spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
|
|
if (!raid_device)
|
|
return;
|
|
if (raid_device->starget) {
|
|
sas_target_priv_data = raid_device->starget->hostdata;
|
|
sas_target_priv_data->deleted = 1;
|
|
scsi_remove_target(&raid_device->starget->dev);
|
|
}
|
|
printk(MPT2SAS_INFO_FMT "removing handle(0x%04x), wwid"
|
|
"(0x%016llx)\n", ioc->name, raid_device->handle,
|
|
(unsigned long long) raid_device->wwid);
|
|
_scsih_raid_device_remove(ioc, raid_device);
|
|
}
|
|
|
|
/**
|
|
* _scsih_sas_pd_expose - expose pd component to /dev/sdX
|
|
* @ioc: per adapter object
|
|
* @element: IR config element data
|
|
* Context: user.
|
|
*
|
|
* Return nothing.
|
|
*/
|
|
static void
|
|
_scsih_sas_pd_expose(struct MPT2SAS_ADAPTER *ioc,
|
|
Mpi2EventIrConfigElement_t *element)
|
|
{
|
|
struct _sas_device *sas_device;
|
|
unsigned long flags;
|
|
u16 handle = le16_to_cpu(element->PhysDiskDevHandle);
|
|
|
|
spin_lock_irqsave(&ioc->sas_device_lock, flags);
|
|
sas_device = _scsih_sas_device_find_by_handle(ioc, handle);
|
|
spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
|
|
if (!sas_device)
|
|
return;
|
|
|
|
/* exposing raid component */
|
|
sas_device->volume_handle = 0;
|
|
sas_device->volume_wwid = 0;
|
|
clear_bit(handle, ioc->pd_handles);
|
|
_scsih_reprobe_target(sas_device->starget, 0);
|
|
}
|
|
|
|
/**
|
|
* _scsih_sas_pd_hide - hide pd component from /dev/sdX
|
|
* @ioc: per adapter object
|
|
* @element: IR config element data
|
|
* Context: user.
|
|
*
|
|
* Return nothing.
|
|
*/
|
|
static void
|
|
_scsih_sas_pd_hide(struct MPT2SAS_ADAPTER *ioc,
|
|
Mpi2EventIrConfigElement_t *element)
|
|
{
|
|
struct _sas_device *sas_device;
|
|
unsigned long flags;
|
|
u16 handle = le16_to_cpu(element->PhysDiskDevHandle);
|
|
|
|
spin_lock_irqsave(&ioc->sas_device_lock, flags);
|
|
sas_device = _scsih_sas_device_find_by_handle(ioc, handle);
|
|
spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
|
|
if (!sas_device)
|
|
return;
|
|
|
|
/* hiding raid component */
|
|
mpt2sas_config_get_volume_handle(ioc, handle,
|
|
&sas_device->volume_handle);
|
|
mpt2sas_config_get_volume_wwid(ioc, sas_device->volume_handle,
|
|
&sas_device->volume_wwid);
|
|
set_bit(handle, ioc->pd_handles);
|
|
_scsih_reprobe_target(sas_device->starget, 1);
|
|
}
|
|
|
|
/**
|
|
* _scsih_sas_pd_delete - delete pd component
|
|
* @ioc: per adapter object
|
|
* @element: IR config element data
|
|
* Context: user.
|
|
*
|
|
* Return nothing.
|
|
*/
|
|
static void
|
|
_scsih_sas_pd_delete(struct MPT2SAS_ADAPTER *ioc,
|
|
Mpi2EventIrConfigElement_t *element)
|
|
{
|
|
struct _sas_device *sas_device;
|
|
unsigned long flags;
|
|
u16 handle = le16_to_cpu(element->PhysDiskDevHandle);
|
|
|
|
spin_lock_irqsave(&ioc->sas_device_lock, flags);
|
|
sas_device = _scsih_sas_device_find_by_handle(ioc, handle);
|
|
spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
|
|
if (!sas_device)
|
|
return;
|
|
_scsih_remove_device(ioc, sas_device);
|
|
}
|
|
|
|
/**
|
|
* _scsih_sas_pd_add - remove pd component
|
|
* @ioc: per adapter object
|
|
* @element: IR config element data
|
|
* Context: user.
|
|
*
|
|
* Return nothing.
|
|
*/
|
|
static void
|
|
_scsih_sas_pd_add(struct MPT2SAS_ADAPTER *ioc,
|
|
Mpi2EventIrConfigElement_t *element)
|
|
{
|
|
struct _sas_device *sas_device;
|
|
unsigned long flags;
|
|
u16 handle = le16_to_cpu(element->PhysDiskDevHandle);
|
|
Mpi2ConfigReply_t mpi_reply;
|
|
Mpi2SasDevicePage0_t sas_device_pg0;
|
|
u32 ioc_status;
|
|
u64 sas_address;
|
|
u16 parent_handle;
|
|
|
|
set_bit(handle, ioc->pd_handles);
|
|
|
|
spin_lock_irqsave(&ioc->sas_device_lock, flags);
|
|
sas_device = _scsih_sas_device_find_by_handle(ioc, handle);
|
|
spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
|
|
if (sas_device)
|
|
return;
|
|
|
|
if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
|
|
MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) {
|
|
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
|
|
ioc->name, __FILE__, __LINE__, __func__);
|
|
return;
|
|
}
|
|
|
|
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__);
|
|
return;
|
|
}
|
|
|
|
parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle);
|
|
if (!_scsih_get_sas_address(ioc, parent_handle, &sas_address))
|
|
mpt2sas_transport_update_links(ioc, sas_address, handle,
|
|
sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5);
|
|
|
|
_scsih_add_device(ioc, handle, 0, 1);
|
|
}
|
|
|
|
#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
|
|
/**
|
|
* _scsih_sas_ir_config_change_event_debug - debug for IR Config Change events
|
|
* @ioc: per adapter object
|
|
* @event_data: event data payload
|
|
* Context: user.
|
|
*
|
|
* Return nothing.
|
|
*/
|
|
static void
|
|
_scsih_sas_ir_config_change_event_debug(struct MPT2SAS_ADAPTER *ioc,
|
|
Mpi2EventDataIrConfigChangeList_t *event_data)
|
|
{
|
|
Mpi2EventIrConfigElement_t *element;
|
|
u8 element_type;
|
|
int i;
|
|
char *reason_str = NULL, *element_str = NULL;
|
|
|
|
element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
|
|
|
|
printk(MPT2SAS_INFO_FMT "raid config change: (%s), elements(%d)\n",
|
|
ioc->name, (le32_to_cpu(event_data->Flags) &
|
|
MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ?
|
|
"foreign" : "native", event_data->NumElements);
|
|
for (i = 0; i < event_data->NumElements; i++, element++) {
|
|
switch (element->ReasonCode) {
|
|
case MPI2_EVENT_IR_CHANGE_RC_ADDED:
|
|
reason_str = "add";
|
|
break;
|
|
case MPI2_EVENT_IR_CHANGE_RC_REMOVED:
|
|
reason_str = "remove";
|
|
break;
|
|
case MPI2_EVENT_IR_CHANGE_RC_NO_CHANGE:
|
|
reason_str = "no change";
|
|
break;
|
|
case MPI2_EVENT_IR_CHANGE_RC_HIDE:
|
|
reason_str = "hide";
|
|
break;
|
|
case MPI2_EVENT_IR_CHANGE_RC_UNHIDE:
|
|
reason_str = "unhide";
|
|
break;
|
|
case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED:
|
|
reason_str = "volume_created";
|
|
break;
|
|
case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED:
|
|
reason_str = "volume_deleted";
|
|
break;
|
|
case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED:
|
|
reason_str = "pd_created";
|
|
break;
|
|
case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED:
|
|
reason_str = "pd_deleted";
|
|
break;
|
|
default:
|
|
reason_str = "unknown reason";
|
|
break;
|
|
}
|
|
element_type = le16_to_cpu(element->ElementFlags) &
|
|
MPI2_EVENT_IR_CHANGE_EFLAGS_ELEMENT_TYPE_MASK;
|
|
switch (element_type) {
|
|
case MPI2_EVENT_IR_CHANGE_EFLAGS_VOLUME_ELEMENT:
|
|
element_str = "volume";
|
|
break;
|
|
case MPI2_EVENT_IR_CHANGE_EFLAGS_VOLPHYSDISK_ELEMENT:
|
|
element_str = "phys disk";
|
|
break;
|
|
case MPI2_EVENT_IR_CHANGE_EFLAGS_HOTSPARE_ELEMENT:
|
|
element_str = "hot spare";
|
|
break;
|
|
default:
|
|
element_str = "unknown element";
|
|
break;
|
|
}
|
|
printk(KERN_INFO "\t(%s:%s), vol handle(0x%04x), "
|
|
"pd handle(0x%04x), pd num(0x%02x)\n", element_str,
|
|
reason_str, le16_to_cpu(element->VolDevHandle),
|
|
le16_to_cpu(element->PhysDiskDevHandle),
|
|
element->PhysDiskNum);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
/**
|
|
* _scsih_sas_ir_config_change_event - handle ir configuration change events
|
|
* @ioc: per adapter object
|
|
* @fw_event: The fw_event_work object
|
|
* Context: user.
|
|
*
|
|
* Return nothing.
|
|
*/
|
|
static void
|
|
_scsih_sas_ir_config_change_event(struct MPT2SAS_ADAPTER *ioc,
|
|
struct fw_event_work *fw_event)
|
|
{
|
|
Mpi2EventIrConfigElement_t *element;
|
|
int i;
|
|
u8 foreign_config;
|
|
Mpi2EventDataIrConfigChangeList_t *event_data = fw_event->event_data;
|
|
|
|
#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
|
|
if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK)
|
|
_scsih_sas_ir_config_change_event_debug(ioc, event_data);
|
|
|
|
#endif
|
|
foreign_config = (le32_to_cpu(event_data->Flags) &
|
|
MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ? 1 : 0;
|
|
|
|
element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
|
|
for (i = 0; i < event_data->NumElements; i++, element++) {
|
|
|
|
switch (element->ReasonCode) {
|
|
case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED:
|
|
case MPI2_EVENT_IR_CHANGE_RC_ADDED:
|
|
if (!foreign_config)
|
|
_scsih_sas_volume_add(ioc, element);
|
|
break;
|
|
case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED:
|
|
case MPI2_EVENT_IR_CHANGE_RC_REMOVED:
|
|
if (!foreign_config)
|
|
_scsih_sas_volume_delete(ioc,
|
|
le16_to_cpu(element->VolDevHandle));
|
|
break;
|
|
case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED:
|
|
_scsih_sas_pd_hide(ioc, element);
|
|
break;
|
|
case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED:
|
|
_scsih_sas_pd_expose(ioc, element);
|
|
break;
|
|
case MPI2_EVENT_IR_CHANGE_RC_HIDE:
|
|
_scsih_sas_pd_add(ioc, element);
|
|
break;
|
|
case MPI2_EVENT_IR_CHANGE_RC_UNHIDE:
|
|
_scsih_sas_pd_delete(ioc, element);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* _scsih_sas_ir_volume_event - IR volume event
|
|
* @ioc: per adapter object
|
|
* @fw_event: The fw_event_work object
|
|
* Context: user.
|
|
*
|
|
* Return nothing.
|
|
*/
|
|
static void
|
|
_scsih_sas_ir_volume_event(struct MPT2SAS_ADAPTER *ioc,
|
|
struct fw_event_work *fw_event)
|
|
{
|
|
u64 wwid;
|
|
unsigned long flags;
|
|
struct _raid_device *raid_device;
|
|
u16 handle;
|
|
u32 state;
|
|
int rc;
|
|
Mpi2EventDataIrVolume_t *event_data = fw_event->event_data;
|
|
|
|
if (event_data->ReasonCode != MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED)
|
|
return;
|
|
|
|
handle = le16_to_cpu(event_data->VolDevHandle);
|
|
state = le32_to_cpu(event_data->NewValue);
|
|
dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: handle(0x%04x), "
|
|
"old(0x%08x), new(0x%08x)\n", ioc->name, __func__, handle,
|
|
le32_to_cpu(event_data->PreviousValue), state));
|
|
|
|
switch (state) {
|
|
case MPI2_RAID_VOL_STATE_MISSING:
|
|
case MPI2_RAID_VOL_STATE_FAILED:
|
|
_scsih_sas_volume_delete(ioc, handle);
|
|
break;
|
|
|
|
case MPI2_RAID_VOL_STATE_ONLINE:
|
|
case MPI2_RAID_VOL_STATE_DEGRADED:
|
|
case MPI2_RAID_VOL_STATE_OPTIMAL:
|
|
|
|
spin_lock_irqsave(&ioc->raid_device_lock, flags);
|
|
raid_device = _scsih_raid_device_find_by_handle(ioc, handle);
|
|
spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
|
|
|
|
if (raid_device)
|
|
break;
|
|
|
|
mpt2sas_config_get_volume_wwid(ioc, handle, &wwid);
|
|
if (!wwid) {
|
|
printk(MPT2SAS_ERR_FMT
|
|
"failure at %s:%d/%s()!\n", ioc->name,
|
|
__FILE__, __LINE__, __func__);
|
|
break;
|
|
}
|
|
|
|
raid_device = kzalloc(sizeof(struct _raid_device), GFP_KERNEL);
|
|
if (!raid_device) {
|
|
printk(MPT2SAS_ERR_FMT
|
|
"failure at %s:%d/%s()!\n", ioc->name,
|
|
__FILE__, __LINE__, __func__);
|
|
break;
|
|
}
|
|
|
|
raid_device->id = ioc->sas_id++;
|
|
raid_device->channel = RAID_CHANNEL;
|
|
raid_device->handle = handle;
|
|
raid_device->wwid = wwid;
|
|
_scsih_raid_device_add(ioc, raid_device);
|
|
rc = scsi_add_device(ioc->shost, RAID_CHANNEL,
|
|
raid_device->id, 0);
|
|
if (rc)
|
|
_scsih_raid_device_remove(ioc, raid_device);
|
|
break;
|
|
|
|
case MPI2_RAID_VOL_STATE_INITIALIZING:
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* _scsih_sas_ir_physical_disk_event - PD event
|
|
* @ioc: per adapter object
|
|
* @fw_event: The fw_event_work object
|
|
* Context: user.
|
|
*
|
|
* Return nothing.
|
|
*/
|
|
static void
|
|
_scsih_sas_ir_physical_disk_event(struct MPT2SAS_ADAPTER *ioc,
|
|
struct fw_event_work *fw_event)
|
|
{
|
|
u16 handle, parent_handle;
|
|
u32 state;
|
|
struct _sas_device *sas_device;
|
|
unsigned long flags;
|
|
Mpi2ConfigReply_t mpi_reply;
|
|
Mpi2SasDevicePage0_t sas_device_pg0;
|
|
u32 ioc_status;
|
|
Mpi2EventDataIrPhysicalDisk_t *event_data = fw_event->event_data;
|
|
u64 sas_address;
|
|
|
|
if (event_data->ReasonCode != MPI2_EVENT_IR_PHYSDISK_RC_STATE_CHANGED)
|
|
return;
|
|
|
|
handle = le16_to_cpu(event_data->PhysDiskDevHandle);
|
|
state = le32_to_cpu(event_data->NewValue);
|
|
|
|
dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: handle(0x%04x), "
|
|
"old(0x%08x), new(0x%08x)\n", ioc->name, __func__, handle,
|
|
le32_to_cpu(event_data->PreviousValue), state));
|
|
|
|
switch (state) {
|
|
case MPI2_RAID_PD_STATE_ONLINE:
|
|
case MPI2_RAID_PD_STATE_DEGRADED:
|
|
case MPI2_RAID_PD_STATE_REBUILDING:
|
|
case MPI2_RAID_PD_STATE_OPTIMAL:
|
|
case MPI2_RAID_PD_STATE_HOT_SPARE:
|
|
|
|
set_bit(handle, ioc->pd_handles);
|
|
|
|
spin_lock_irqsave(&ioc->sas_device_lock, flags);
|
|
sas_device = _scsih_sas_device_find_by_handle(ioc, handle);
|
|
spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
|
|
|
|
if (sas_device)
|
|
return;
|
|
|
|
if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply,
|
|
&sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE,
|
|
handle))) {
|
|
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
|
|
ioc->name, __FILE__, __LINE__, __func__);
|
|
return;
|
|
}
|
|
|
|
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__);
|
|
return;
|
|
}
|
|
|
|
parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle);
|
|
if (!_scsih_get_sas_address(ioc, parent_handle, &sas_address))
|
|
mpt2sas_transport_update_links(ioc, sas_address, handle,
|
|
sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5);
|
|
|
|
_scsih_add_device(ioc, handle, 0, 1);
|
|
|
|
break;
|
|
|
|
case MPI2_RAID_PD_STATE_OFFLINE:
|
|
case MPI2_RAID_PD_STATE_NOT_CONFIGURED:
|
|
case MPI2_RAID_PD_STATE_NOT_COMPATIBLE:
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
|
|
/**
|
|
* _scsih_sas_ir_operation_status_event_debug - debug for IR op event
|
|
* @ioc: per adapter object
|
|
* @event_data: event data payload
|
|
* Context: user.
|
|
*
|
|
* Return nothing.
|
|
*/
|
|
static void
|
|
_scsih_sas_ir_operation_status_event_debug(struct MPT2SAS_ADAPTER *ioc,
|
|
Mpi2EventDataIrOperationStatus_t *event_data)
|
|
{
|
|
char *reason_str = NULL;
|
|
|
|
switch (event_data->RAIDOperation) {
|
|
case MPI2_EVENT_IR_RAIDOP_RESYNC:
|
|
reason_str = "resync";
|
|
break;
|
|
case MPI2_EVENT_IR_RAIDOP_ONLINE_CAP_EXPANSION:
|
|
reason_str = "online capacity expansion";
|
|
break;
|
|
case MPI2_EVENT_IR_RAIDOP_CONSISTENCY_CHECK:
|
|
reason_str = "consistency check";
|
|
break;
|
|
case MPI2_EVENT_IR_RAIDOP_BACKGROUND_INIT:
|
|
reason_str = "background init";
|
|
break;
|
|
case MPI2_EVENT_IR_RAIDOP_MAKE_DATA_CONSISTENT:
|
|
reason_str = "make data consistent";
|
|
break;
|
|
}
|
|
|
|
if (!reason_str)
|
|
return;
|
|
|
|
printk(MPT2SAS_INFO_FMT "raid operational status: (%s)"
|
|
"\thandle(0x%04x), percent complete(%d)\n",
|
|
ioc->name, reason_str,
|
|
le16_to_cpu(event_data->VolDevHandle),
|
|
event_data->PercentComplete);
|
|
}
|
|
#endif
|
|
|
|
/**
|
|
* _scsih_sas_ir_operation_status_event - handle RAID operation events
|
|
* @ioc: per adapter object
|
|
* @fw_event: The fw_event_work object
|
|
* Context: user.
|
|
*
|
|
* Return nothing.
|
|
*/
|
|
static void
|
|
_scsih_sas_ir_operation_status_event(struct MPT2SAS_ADAPTER *ioc,
|
|
struct fw_event_work *fw_event)
|
|
{
|
|
Mpi2EventDataIrOperationStatus_t *event_data = fw_event->event_data;
|
|
static struct _raid_device *raid_device;
|
|
unsigned long flags;
|
|
u16 handle;
|
|
|
|
#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
|
|
if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK)
|
|
_scsih_sas_ir_operation_status_event_debug(ioc,
|
|
event_data);
|
|
#endif
|
|
|
|
/* code added for raid transport support */
|
|
if (event_data->RAIDOperation == MPI2_EVENT_IR_RAIDOP_RESYNC) {
|
|
|
|
handle = le16_to_cpu(event_data->VolDevHandle);
|
|
|
|
spin_lock_irqsave(&ioc->raid_device_lock, flags);
|
|
raid_device = _scsih_raid_device_find_by_handle(ioc, handle);
|
|
spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
|
|
|
|
if (!raid_device)
|
|
return;
|
|
|
|
if (event_data->RAIDOperation == MPI2_EVENT_IR_RAIDOP_RESYNC)
|
|
raid_device->percent_complete =
|
|
event_data->PercentComplete;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* _scsih_prep_device_scan - initialize parameters prior to device scan
|
|
* @ioc: per adapter object
|
|
*
|
|
* Set the deleted flag prior to device scan. If the device is found during
|
|
* the scan, then we clear the deleted flag.
|
|
*/
|
|
static void
|
|
_scsih_prep_device_scan(struct MPT2SAS_ADAPTER *ioc)
|
|
{
|
|
struct MPT2SAS_DEVICE *sas_device_priv_data;
|
|
struct scsi_device *sdev;
|
|
|
|
shost_for_each_device(sdev, ioc->shost) {
|
|
sas_device_priv_data = sdev->hostdata;
|
|
if (sas_device_priv_data && sas_device_priv_data->sas_target)
|
|
sas_device_priv_data->sas_target->deleted = 1;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* _scsih_mark_responding_sas_device - mark a sas_devices as responding
|
|
* @ioc: per adapter object
|
|
* @sas_address: sas address
|
|
* @slot: enclosure slot id
|
|
* @handle: device handle
|
|
*
|
|
* After host reset, find out whether devices are still responding.
|
|
* Used in _scsi_remove_unresponsive_sas_devices.
|
|
*
|
|
* Return nothing.
|
|
*/
|
|
static void
|
|
_scsih_mark_responding_sas_device(struct MPT2SAS_ADAPTER *ioc, u64 sas_address,
|
|
u16 slot, u16 handle)
|
|
{
|
|
struct MPT2SAS_TARGET *sas_target_priv_data;
|
|
struct scsi_target *starget;
|
|
struct _sas_device *sas_device;
|
|
unsigned long flags;
|
|
|
|
spin_lock_irqsave(&ioc->sas_device_lock, flags);
|
|
list_for_each_entry(sas_device, &ioc->sas_device_list, list) {
|
|
if (sas_device->sas_address == sas_address &&
|
|
sas_device->slot == slot && sas_device->starget) {
|
|
sas_device->responding = 1;
|
|
starget = sas_device->starget;
|
|
if (starget && starget->hostdata) {
|
|
sas_target_priv_data = starget->hostdata;
|
|
sas_target_priv_data->tm_busy = 0;
|
|
sas_target_priv_data->deleted = 0;
|
|
} else
|
|
sas_target_priv_data = NULL;
|
|
starget_printk(KERN_INFO, sas_device->starget,
|
|
"handle(0x%04x), sas_addr(0x%016llx), enclosure "
|
|
"logical id(0x%016llx), slot(%d)\n", handle,
|
|
(unsigned long long)sas_device->sas_address,
|
|
(unsigned long long)
|
|
sas_device->enclosure_logical_id,
|
|
sas_device->slot);
|
|
if (sas_device->handle == handle)
|
|
goto out;
|
|
printk(KERN_INFO "\thandle changed from(0x%04x)!!!\n",
|
|
sas_device->handle);
|
|
sas_device->handle = handle;
|
|
if (sas_target_priv_data)
|
|
sas_target_priv_data->handle = handle;
|
|
goto out;
|
|
}
|
|
}
|
|
out:
|
|
spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
|
|
}
|
|
|
|
/**
|
|
* _scsih_search_responding_sas_devices -
|
|
* @ioc: per adapter object
|
|
*
|
|
* After host reset, find out whether devices are still responding.
|
|
* If not remove.
|
|
*
|
|
* Return nothing.
|
|
*/
|
|
static void
|
|
_scsih_search_responding_sas_devices(struct MPT2SAS_ADAPTER *ioc)
|
|
{
|
|
Mpi2SasDevicePage0_t sas_device_pg0;
|
|
Mpi2ConfigReply_t mpi_reply;
|
|
u16 ioc_status;
|
|
__le64 sas_address;
|
|
u16 handle;
|
|
u32 device_info;
|
|
u16 slot;
|
|
|
|
printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, __func__);
|
|
|
|
if (list_empty(&ioc->sas_device_list))
|
|
return;
|
|
|
|
handle = 0xFFFF;
|
|
while (!(mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply,
|
|
&sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE,
|
|
handle))) {
|
|
ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
|
|
MPI2_IOCSTATUS_MASK;
|
|
if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE)
|
|
break;
|
|
handle = le16_to_cpu(sas_device_pg0.DevHandle);
|
|
device_info = le32_to_cpu(sas_device_pg0.DeviceInfo);
|
|
if (!(_scsih_is_end_device(device_info)))
|
|
continue;
|
|
sas_address = le64_to_cpu(sas_device_pg0.SASAddress);
|
|
slot = le16_to_cpu(sas_device_pg0.Slot);
|
|
_scsih_mark_responding_sas_device(ioc, sas_address, slot,
|
|
handle);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* _scsih_mark_responding_raid_device - mark a raid_device as responding
|
|
* @ioc: per adapter object
|
|
* @wwid: world wide identifier for raid volume
|
|
* @handle: device handle
|
|
*
|
|
* After host reset, find out whether devices are still responding.
|
|
* Used in _scsi_remove_unresponsive_raid_devices.
|
|
*
|
|
* Return nothing.
|
|
*/
|
|
static void
|
|
_scsih_mark_responding_raid_device(struct MPT2SAS_ADAPTER *ioc, u64 wwid,
|
|
u16 handle)
|
|
{
|
|
struct MPT2SAS_TARGET *sas_target_priv_data;
|
|
struct scsi_target *starget;
|
|
struct _raid_device *raid_device;
|
|
unsigned long flags;
|
|
|
|
spin_lock_irqsave(&ioc->raid_device_lock, flags);
|
|
list_for_each_entry(raid_device, &ioc->raid_device_list, list) {
|
|
if (raid_device->wwid == wwid && raid_device->starget) {
|
|
starget = raid_device->starget;
|
|
if (starget && starget->hostdata) {
|
|
sas_target_priv_data = starget->hostdata;
|
|
sas_target_priv_data->deleted = 0;
|
|
} else
|
|
sas_target_priv_data = NULL;
|
|
raid_device->responding = 1;
|
|
starget_printk(KERN_INFO, raid_device->starget,
|
|
"handle(0x%04x), wwid(0x%016llx)\n", handle,
|
|
(unsigned long long)raid_device->wwid);
|
|
if (raid_device->handle == handle)
|
|
goto out;
|
|
printk(KERN_INFO "\thandle changed from(0x%04x)!!!\n",
|
|
raid_device->handle);
|
|
raid_device->handle = handle;
|
|
if (sas_target_priv_data)
|
|
sas_target_priv_data->handle = handle;
|
|
goto out;
|
|
}
|
|
}
|
|
out:
|
|
spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
|
|
}
|
|
|
|
/**
|
|
* _scsih_search_responding_raid_devices -
|
|
* @ioc: per adapter object
|
|
*
|
|
* After host reset, find out whether devices are still responding.
|
|
* If not remove.
|
|
*
|
|
* Return nothing.
|
|
*/
|
|
static void
|
|
_scsih_search_responding_raid_devices(struct MPT2SAS_ADAPTER *ioc)
|
|
{
|
|
Mpi2RaidVolPage1_t volume_pg1;
|
|
Mpi2RaidVolPage0_t volume_pg0;
|
|
Mpi2RaidPhysDiskPage0_t pd_pg0;
|
|
Mpi2ConfigReply_t mpi_reply;
|
|
u16 ioc_status;
|
|
u16 handle;
|
|
u8 phys_disk_num;
|
|
|
|
printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, __func__);
|
|
|
|
if (list_empty(&ioc->raid_device_list))
|
|
return;
|
|
|
|
handle = 0xFFFF;
|
|
while (!(mpt2sas_config_get_raid_volume_pg1(ioc, &mpi_reply,
|
|
&volume_pg1, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE, handle))) {
|
|
ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
|
|
MPI2_IOCSTATUS_MASK;
|
|
if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE)
|
|
break;
|
|
handle = le16_to_cpu(volume_pg1.DevHandle);
|
|
|
|
if (mpt2sas_config_get_raid_volume_pg0(ioc, &mpi_reply,
|
|
&volume_pg0, MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle,
|
|
sizeof(Mpi2RaidVolPage0_t)))
|
|
continue;
|
|
|
|
if (volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_OPTIMAL ||
|
|
volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_ONLINE ||
|
|
volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_DEGRADED)
|
|
_scsih_mark_responding_raid_device(ioc,
|
|
le64_to_cpu(volume_pg1.WWID), handle);
|
|
}
|
|
|
|
/* refresh the pd_handles */
|
|
phys_disk_num = 0xFF;
|
|
memset(ioc->pd_handles, 0, ioc->pd_handles_sz);
|
|
while (!(mpt2sas_config_get_phys_disk_pg0(ioc, &mpi_reply,
|
|
&pd_pg0, MPI2_PHYSDISK_PGAD_FORM_GET_NEXT_PHYSDISKNUM,
|
|
phys_disk_num))) {
|
|
ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
|
|
MPI2_IOCSTATUS_MASK;
|
|
if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE)
|
|
break;
|
|
phys_disk_num = pd_pg0.PhysDiskNum;
|
|
handle = le16_to_cpu(pd_pg0.DevHandle);
|
|
set_bit(handle, ioc->pd_handles);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* _scsih_mark_responding_expander - mark a expander as responding
|
|
* @ioc: per adapter object
|
|
* @sas_address: sas address
|
|
* @handle:
|
|
*
|
|
* After host reset, find out whether devices are still responding.
|
|
* Used in _scsi_remove_unresponsive_expanders.
|
|
*
|
|
* Return nothing.
|
|
*/
|
|
static void
|
|
_scsih_mark_responding_expander(struct MPT2SAS_ADAPTER *ioc, u64 sas_address,
|
|
u16 handle)
|
|
{
|
|
struct _sas_node *sas_expander;
|
|
unsigned long flags;
|
|
int i;
|
|
|
|
spin_lock_irqsave(&ioc->sas_node_lock, flags);
|
|
list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) {
|
|
if (sas_expander->sas_address != sas_address)
|
|
continue;
|
|
sas_expander->responding = 1;
|
|
if (sas_expander->handle == handle)
|
|
goto out;
|
|
printk(KERN_INFO "\texpander(0x%016llx): handle changed"
|
|
" from(0x%04x) to (0x%04x)!!!\n",
|
|
(unsigned long long)sas_expander->sas_address,
|
|
sas_expander->handle, handle);
|
|
sas_expander->handle = handle;
|
|
for (i = 0 ; i < sas_expander->num_phys ; i++)
|
|
sas_expander->phy[i].handle = handle;
|
|
goto out;
|
|
}
|
|
out:
|
|
spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
|
|
}
|
|
|
|
/**
|
|
* _scsih_search_responding_expanders -
|
|
* @ioc: per adapter object
|
|
*
|
|
* After host reset, find out whether devices are still responding.
|
|
* If not remove.
|
|
*
|
|
* Return nothing.
|
|
*/
|
|
static void
|
|
_scsih_search_responding_expanders(struct MPT2SAS_ADAPTER *ioc)
|
|
{
|
|
Mpi2ExpanderPage0_t expander_pg0;
|
|
Mpi2ConfigReply_t mpi_reply;
|
|
u16 ioc_status;
|
|
__le64 sas_address;
|
|
u16 handle;
|
|
|
|
printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, __func__);
|
|
|
|
if (list_empty(&ioc->sas_expander_list))
|
|
return;
|
|
|
|
handle = 0xFFFF;
|
|
while (!(mpt2sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0,
|
|
MPI2_SAS_EXPAND_PGAD_FORM_GET_NEXT_HNDL, handle))) {
|
|
|
|
ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
|
|
MPI2_IOCSTATUS_MASK;
|
|
if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE)
|
|
break;
|
|
|
|
handle = le16_to_cpu(expander_pg0.DevHandle);
|
|
sas_address = le64_to_cpu(expander_pg0.SASAddress);
|
|
printk(KERN_INFO "\texpander present: handle(0x%04x), "
|
|
"sas_addr(0x%016llx)\n", handle,
|
|
(unsigned long long)sas_address);
|
|
_scsih_mark_responding_expander(ioc, sas_address, handle);
|
|
}
|
|
|
|
}
|
|
|
|
/**
|
|
* _scsih_remove_unresponding_sas_devices - removing unresponding devices
|
|
* @ioc: per adapter object
|
|
*
|
|
* Return nothing.
|
|
*/
|
|
static void
|
|
_scsih_remove_unresponding_sas_devices(struct MPT2SAS_ADAPTER *ioc)
|
|
{
|
|
struct _sas_device *sas_device, *sas_device_next;
|
|
struct _sas_node *sas_expander;
|
|
struct _raid_device *raid_device, *raid_device_next;
|
|
|
|
|
|
list_for_each_entry_safe(sas_device, sas_device_next,
|
|
&ioc->sas_device_list, list) {
|
|
if (sas_device->responding) {
|
|
sas_device->responding = 0;
|
|
continue;
|
|
}
|
|
if (sas_device->starget)
|
|
starget_printk(KERN_INFO, sas_device->starget,
|
|
"removing: handle(0x%04x), sas_addr(0x%016llx), "
|
|
"enclosure logical id(0x%016llx), slot(%d)\n",
|
|
sas_device->handle,
|
|
(unsigned long long)sas_device->sas_address,
|
|
(unsigned long long)
|
|
sas_device->enclosure_logical_id,
|
|
sas_device->slot);
|
|
_scsih_remove_device(ioc, sas_device);
|
|
}
|
|
|
|
list_for_each_entry_safe(raid_device, raid_device_next,
|
|
&ioc->raid_device_list, list) {
|
|
if (raid_device->responding) {
|
|
raid_device->responding = 0;
|
|
continue;
|
|
}
|
|
if (raid_device->starget) {
|
|
starget_printk(KERN_INFO, raid_device->starget,
|
|
"removing: handle(0x%04x), wwid(0x%016llx)\n",
|
|
raid_device->handle,
|
|
(unsigned long long)raid_device->wwid);
|
|
scsi_remove_target(&raid_device->starget->dev);
|
|
}
|
|
_scsih_raid_device_remove(ioc, raid_device);
|
|
}
|
|
|
|
retry_expander_search:
|
|
sas_expander = NULL;
|
|
list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) {
|
|
if (sas_expander->responding) {
|
|
sas_expander->responding = 0;
|
|
continue;
|
|
}
|
|
mpt2sas_expander_remove(ioc, sas_expander->sas_address);
|
|
goto retry_expander_search;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* mpt2sas_scsih_reset_handler - reset callback handler (for scsih)
|
|
* @ioc: per adapter object
|
|
* @reset_phase: phase
|
|
*
|
|
* The handler for doing any required cleanup or initialization.
|
|
*
|
|
* The reset phase can be MPT2_IOC_PRE_RESET, MPT2_IOC_AFTER_RESET,
|
|
* MPT2_IOC_DONE_RESET
|
|
*
|
|
* Return nothing.
|
|
*/
|
|
void
|
|
mpt2sas_scsih_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase)
|
|
{
|
|
switch (reset_phase) {
|
|
case MPT2_IOC_PRE_RESET:
|
|
dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: "
|
|
"MPT2_IOC_PRE_RESET\n", ioc->name, __func__));
|
|
break;
|
|
case MPT2_IOC_AFTER_RESET:
|
|
dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: "
|
|
"MPT2_IOC_AFTER_RESET\n", ioc->name, __func__));
|
|
if (ioc->scsih_cmds.status & MPT2_CMD_PENDING) {
|
|
ioc->scsih_cmds.status |= MPT2_CMD_RESET;
|
|
mpt2sas_base_free_smid(ioc, ioc->scsih_cmds.smid);
|
|
complete(&ioc->scsih_cmds.done);
|
|
}
|
|
if (ioc->tm_cmds.status & MPT2_CMD_PENDING) {
|
|
ioc->tm_cmds.status |= MPT2_CMD_RESET;
|
|
mpt2sas_base_free_smid(ioc, ioc->tm_cmds.smid);
|
|
complete(&ioc->tm_cmds.done);
|
|
}
|
|
_scsih_fw_event_cleanup_queue(ioc);
|
|
_scsih_flush_running_cmds(ioc);
|
|
_scsih_queue_rescan(ioc);
|
|
break;
|
|
case MPT2_IOC_DONE_RESET:
|
|
dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: "
|
|
"MPT2_IOC_DONE_RESET\n", ioc->name, __func__));
|
|
_scsih_sas_host_refresh(ioc);
|
|
_scsih_prep_device_scan(ioc);
|
|
_scsih_search_responding_sas_devices(ioc);
|
|
_scsih_search_responding_raid_devices(ioc);
|
|
_scsih_search_responding_expanders(ioc);
|
|
break;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* _firmware_event_work - delayed task for processing firmware events
|
|
* @ioc: per adapter object
|
|
* @work: equal to the fw_event_work object
|
|
* Context: user.
|
|
*
|
|
* Return nothing.
|
|
*/
|
|
static void
|
|
_firmware_event_work(struct work_struct *work)
|
|
{
|
|
struct fw_event_work *fw_event = container_of(work,
|
|
struct fw_event_work, delayed_work.work);
|
|
unsigned long flags;
|
|
struct MPT2SAS_ADAPTER *ioc = fw_event->ioc;
|
|
|
|
/* the queue is being flushed so ignore this event */
|
|
if (ioc->remove_host || fw_event->cancel_pending_work ||
|
|
ioc->pci_error_recovery) {
|
|
_scsih_fw_event_free(ioc, fw_event);
|
|
return;
|
|
}
|
|
|
|
if (fw_event->event == MPT2SAS_RESCAN_AFTER_HOST_RESET) {
|
|
_scsih_fw_event_free(ioc, fw_event);
|
|
spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags);
|
|
if (ioc->shost_recovery) {
|
|
init_completion(&ioc->shost_recovery_done);
|
|
spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock,
|
|
flags);
|
|
wait_for_completion(&ioc->shost_recovery_done);
|
|
} else
|
|
spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock,
|
|
flags);
|
|
_scsih_remove_unresponding_sas_devices(ioc);
|
|
return;
|
|
}
|
|
|
|
switch (fw_event->event) {
|
|
case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST:
|
|
_scsih_sas_topology_change_event(ioc, fw_event);
|
|
break;
|
|
case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE:
|
|
_scsih_sas_device_status_change_event(ioc,
|
|
fw_event);
|
|
break;
|
|
case MPI2_EVENT_SAS_DISCOVERY:
|
|
_scsih_sas_discovery_event(ioc,
|
|
fw_event);
|
|
break;
|
|
case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE:
|
|
_scsih_sas_broadcast_primative_event(ioc,
|
|
fw_event);
|
|
break;
|
|
case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE:
|
|
_scsih_sas_enclosure_dev_status_change_event(ioc,
|
|
fw_event);
|
|
break;
|
|
case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST:
|
|
_scsih_sas_ir_config_change_event(ioc, fw_event);
|
|
break;
|
|
case MPI2_EVENT_IR_VOLUME:
|
|
_scsih_sas_ir_volume_event(ioc, fw_event);
|
|
break;
|
|
case MPI2_EVENT_IR_PHYSICAL_DISK:
|
|
_scsih_sas_ir_physical_disk_event(ioc, fw_event);
|
|
break;
|
|
case MPI2_EVENT_IR_OPERATION_STATUS:
|
|
_scsih_sas_ir_operation_status_event(ioc, fw_event);
|
|
break;
|
|
}
|
|
_scsih_fw_event_free(ioc, fw_event);
|
|
}
|
|
|
|
/**
|
|
* mpt2sas_scsih_event_callback - firmware event handler (called at ISR time)
|
|
* @ioc: per adapter object
|
|
* @msix_index: MSIX table index supplied by the OS
|
|
* @reply: reply message frame(lower 32bit addr)
|
|
* Context: interrupt.
|
|
*
|
|
* This function merely adds a new work task into ioc->firmware_event_thread.
|
|
* The tasks are worked from _firmware_event_work in user context.
|
|
*
|
|
* Return 1 meaning mf should be freed from _base_interrupt
|
|
* 0 means the mf is freed from this function.
|
|
*/
|
|
u8
|
|
mpt2sas_scsih_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 msix_index,
|
|
u32 reply)
|
|
{
|
|
struct fw_event_work *fw_event;
|
|
Mpi2EventNotificationReply_t *mpi_reply;
|
|
u16 event;
|
|
u16 sz;
|
|
|
|
/* events turned off due to host reset or driver unloading */
|
|
if (ioc->remove_host || ioc->pci_error_recovery)
|
|
return 1;
|
|
|
|
mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply);
|
|
event = le16_to_cpu(mpi_reply->Event);
|
|
|
|
switch (event) {
|
|
/* handle these */
|
|
case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE:
|
|
{
|
|
Mpi2EventDataSasBroadcastPrimitive_t *baen_data =
|
|
(Mpi2EventDataSasBroadcastPrimitive_t *)
|
|
mpi_reply->EventData;
|
|
|
|
if (baen_data->Primitive !=
|
|
MPI2_EVENT_PRIMITIVE_ASYNCHRONOUS_EVENT ||
|
|
ioc->broadcast_aen_busy)
|
|
return 1;
|
|
ioc->broadcast_aen_busy = 1;
|
|
break;
|
|
}
|
|
|
|
case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST:
|
|
_scsih_check_topo_delete_events(ioc,
|
|
(Mpi2EventDataSasTopologyChangeList_t *)
|
|
mpi_reply->EventData);
|
|
break;
|
|
case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST:
|
|
_scsih_check_ir_config_unhide_events(ioc,
|
|
(Mpi2EventDataIrConfigChangeList_t *)
|
|
mpi_reply->EventData);
|
|
break;
|
|
case MPI2_EVENT_IR_VOLUME:
|
|
_scsih_check_volume_delete_events(ioc,
|
|
(Mpi2EventDataIrVolume_t *)
|
|
mpi_reply->EventData);
|
|
break;
|
|
case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE:
|
|
case MPI2_EVENT_IR_OPERATION_STATUS:
|
|
case MPI2_EVENT_SAS_DISCOVERY:
|
|
case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE:
|
|
case MPI2_EVENT_IR_PHYSICAL_DISK:
|
|
break;
|
|
|
|
default: /* ignore the rest */
|
|
return 1;
|
|
}
|
|
|
|
fw_event = kzalloc(sizeof(struct fw_event_work), GFP_ATOMIC);
|
|
if (!fw_event) {
|
|
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
|
|
ioc->name, __FILE__, __LINE__, __func__);
|
|
return 1;
|
|
}
|
|
sz = le16_to_cpu(mpi_reply->EventDataLength) * 4;
|
|
fw_event->event_data = kzalloc(sz, GFP_ATOMIC);
|
|
if (!fw_event->event_data) {
|
|
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
|
|
ioc->name, __FILE__, __LINE__, __func__);
|
|
kfree(fw_event);
|
|
return 1;
|
|
}
|
|
|
|
memcpy(fw_event->event_data, mpi_reply->EventData,
|
|
sz);
|
|
fw_event->ioc = ioc;
|
|
fw_event->VF_ID = mpi_reply->VF_ID;
|
|
fw_event->VP_ID = mpi_reply->VP_ID;
|
|
fw_event->event = event;
|
|
_scsih_fw_event_add(ioc, fw_event);
|
|
return 1;
|
|
}
|
|
|
|
/* shost template */
|
|
static struct scsi_host_template scsih_driver_template = {
|
|
.module = THIS_MODULE,
|
|
.name = "Fusion MPT SAS Host",
|
|
.proc_name = MPT2SAS_DRIVER_NAME,
|
|
.queuecommand = _scsih_qcmd,
|
|
.target_alloc = _scsih_target_alloc,
|
|
.slave_alloc = _scsih_slave_alloc,
|
|
.slave_configure = _scsih_slave_configure,
|
|
.target_destroy = _scsih_target_destroy,
|
|
.slave_destroy = _scsih_slave_destroy,
|
|
.change_queue_depth = _scsih_change_queue_depth,
|
|
.change_queue_type = _scsih_change_queue_type,
|
|
.eh_abort_handler = _scsih_abort,
|
|
.eh_device_reset_handler = _scsih_dev_reset,
|
|
.eh_target_reset_handler = _scsih_target_reset,
|
|
.eh_host_reset_handler = _scsih_host_reset,
|
|
.bios_param = _scsih_bios_param,
|
|
.can_queue = 1,
|
|
.this_id = -1,
|
|
.sg_tablesize = MPT2SAS_SG_DEPTH,
|
|
.max_sectors = 8192,
|
|
.cmd_per_lun = 7,
|
|
.use_clustering = ENABLE_CLUSTERING,
|
|
.shost_attrs = mpt2sas_host_attrs,
|
|
.sdev_attrs = mpt2sas_dev_attrs,
|
|
};
|
|
|
|
/**
|
|
* _scsih_expander_node_remove - removing expander device from list.
|
|
* @ioc: per adapter object
|
|
* @sas_expander: the sas_device object
|
|
* Context: Calling function should acquire ioc->sas_node_lock.
|
|
*
|
|
* Removing object and freeing associated memory from the
|
|
* ioc->sas_expander_list.
|
|
*
|
|
* Return nothing.
|
|
*/
|
|
static void
|
|
_scsih_expander_node_remove(struct MPT2SAS_ADAPTER *ioc,
|
|
struct _sas_node *sas_expander)
|
|
{
|
|
struct _sas_port *mpt2sas_port, *next;
|
|
|
|
/* remove sibling ports attached to this expander */
|
|
list_for_each_entry_safe(mpt2sas_port, next,
|
|
&sas_expander->sas_port_list, port_list) {
|
|
if (ioc->shost_recovery)
|
|
return;
|
|
if (mpt2sas_port->remote_identify.device_type ==
|
|
SAS_END_DEVICE)
|
|
mpt2sas_device_remove(ioc,
|
|
mpt2sas_port->remote_identify.sas_address);
|
|
else if (mpt2sas_port->remote_identify.device_type ==
|
|
SAS_EDGE_EXPANDER_DEVICE ||
|
|
mpt2sas_port->remote_identify.device_type ==
|
|
SAS_FANOUT_EXPANDER_DEVICE)
|
|
mpt2sas_expander_remove(ioc,
|
|
mpt2sas_port->remote_identify.sas_address);
|
|
}
|
|
|
|
mpt2sas_transport_port_remove(ioc, sas_expander->sas_address,
|
|
sas_expander->sas_address_parent);
|
|
|
|
printk(MPT2SAS_INFO_FMT "expander_remove: handle"
|
|
"(0x%04x), sas_addr(0x%016llx)\n", ioc->name,
|
|
sas_expander->handle, (unsigned long long)
|
|
sas_expander->sas_address);
|
|
|
|
kfree(sas_expander->phy);
|
|
kfree(sas_expander);
|
|
}
|
|
|
|
/**
|
|
* _scsih_ir_shutdown - IR shutdown notification
|
|
* @ioc: per adapter object
|
|
*
|
|
* Sending RAID Action to alert the Integrated RAID subsystem of the IOC that
|
|
* the host system is shutting down.
|
|
*
|
|
* Return nothing.
|
|
*/
|
|
static void
|
|
_scsih_ir_shutdown(struct MPT2SAS_ADAPTER *ioc)
|
|
{
|
|
Mpi2RaidActionRequest_t *mpi_request;
|
|
Mpi2RaidActionReply_t *mpi_reply;
|
|
u16 smid;
|
|
|
|
/* is IR firmware build loaded ? */
|
|
if (!ioc->ir_firmware)
|
|
return;
|
|
|
|
/* are there any volumes ? */
|
|
if (list_empty(&ioc->raid_device_list))
|
|
return;
|
|
|
|
mutex_lock(&ioc->scsih_cmds.mutex);
|
|
|
|
if (ioc->scsih_cmds.status != MPT2_CMD_NOT_USED) {
|
|
printk(MPT2SAS_ERR_FMT "%s: scsih_cmd in use\n",
|
|
ioc->name, __func__);
|
|
goto out;
|
|
}
|
|
ioc->scsih_cmds.status = MPT2_CMD_PENDING;
|
|
|
|
smid = mpt2sas_base_get_smid(ioc, ioc->scsih_cb_idx);
|
|
if (!smid) {
|
|
printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
|
|
ioc->name, __func__);
|
|
ioc->scsih_cmds.status = MPT2_CMD_NOT_USED;
|
|
goto out;
|
|
}
|
|
|
|
mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
|
|
ioc->scsih_cmds.smid = smid;
|
|
memset(mpi_request, 0, sizeof(Mpi2RaidActionRequest_t));
|
|
|
|
mpi_request->Function = MPI2_FUNCTION_RAID_ACTION;
|
|
mpi_request->Action = MPI2_RAID_ACTION_SYSTEM_SHUTDOWN_INITIATED;
|
|
|
|
printk(MPT2SAS_INFO_FMT "IR shutdown (sending)\n", ioc->name);
|
|
init_completion(&ioc->scsih_cmds.done);
|
|
mpt2sas_base_put_smid_default(ioc, smid);
|
|
wait_for_completion_timeout(&ioc->scsih_cmds.done, 10*HZ);
|
|
|
|
if (!(ioc->scsih_cmds.status & MPT2_CMD_COMPLETE)) {
|
|
printk(MPT2SAS_ERR_FMT "%s: timeout\n",
|
|
ioc->name, __func__);
|
|
goto out;
|
|
}
|
|
|
|
if (ioc->scsih_cmds.status & MPT2_CMD_REPLY_VALID) {
|
|
mpi_reply = ioc->scsih_cmds.reply;
|
|
|
|
printk(MPT2SAS_INFO_FMT "IR shutdown (complete): "
|
|
"ioc_status(0x%04x), loginfo(0x%08x)\n",
|
|
ioc->name, le16_to_cpu(mpi_reply->IOCStatus),
|
|
le32_to_cpu(mpi_reply->IOCLogInfo));
|
|
}
|
|
|
|
out:
|
|
ioc->scsih_cmds.status = MPT2_CMD_NOT_USED;
|
|
mutex_unlock(&ioc->scsih_cmds.mutex);
|
|
}
|
|
|
|
/**
|
|
* _scsih_shutdown - routine call during system shutdown
|
|
* @pdev: PCI device struct
|
|
*
|
|
* Return nothing.
|
|
*/
|
|
static void
|
|
_scsih_shutdown(struct pci_dev *pdev)
|
|
{
|
|
struct Scsi_Host *shost = pci_get_drvdata(pdev);
|
|
struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
|
|
struct workqueue_struct *wq;
|
|
unsigned long flags;
|
|
|
|
ioc->remove_host = 1;
|
|
_scsih_fw_event_cleanup_queue(ioc);
|
|
|
|
spin_lock_irqsave(&ioc->fw_event_lock, flags);
|
|
wq = ioc->firmware_event_thread;
|
|
ioc->firmware_event_thread = NULL;
|
|
spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
|
|
if (wq)
|
|
destroy_workqueue(wq);
|
|
|
|
_scsih_ir_shutdown(ioc);
|
|
mpt2sas_base_detach(ioc);
|
|
}
|
|
|
|
/**
|
|
* _scsih_remove - detach and remove add host
|
|
* @pdev: PCI device struct
|
|
*
|
|
* Routine called when unloading the driver.
|
|
* Return nothing.
|
|
*/
|
|
static void __devexit
|
|
_scsih_remove(struct pci_dev *pdev)
|
|
{
|
|
struct Scsi_Host *shost = pci_get_drvdata(pdev);
|
|
struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
|
|
struct _sas_port *mpt2sas_port, *next_port;
|
|
struct _raid_device *raid_device, *next;
|
|
struct MPT2SAS_TARGET *sas_target_priv_data;
|
|
struct workqueue_struct *wq;
|
|
unsigned long flags;
|
|
|
|
ioc->remove_host = 1;
|
|
_scsih_fw_event_cleanup_queue(ioc);
|
|
|
|
spin_lock_irqsave(&ioc->fw_event_lock, flags);
|
|
wq = ioc->firmware_event_thread;
|
|
ioc->firmware_event_thread = NULL;
|
|
spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
|
|
if (wq)
|
|
destroy_workqueue(wq);
|
|
|
|
/* release all the volumes */
|
|
_scsih_ir_shutdown(ioc);
|
|
list_for_each_entry_safe(raid_device, next, &ioc->raid_device_list,
|
|
list) {
|
|
if (raid_device->starget) {
|
|
sas_target_priv_data =
|
|
raid_device->starget->hostdata;
|
|
sas_target_priv_data->deleted = 1;
|
|
scsi_remove_target(&raid_device->starget->dev);
|
|
}
|
|
printk(MPT2SAS_INFO_FMT "removing handle(0x%04x), wwid"
|
|
"(0x%016llx)\n", ioc->name, raid_device->handle,
|
|
(unsigned long long) raid_device->wwid);
|
|
_scsih_raid_device_remove(ioc, raid_device);
|
|
}
|
|
|
|
/* free ports attached to the sas_host */
|
|
list_for_each_entry_safe(mpt2sas_port, next_port,
|
|
&ioc->sas_hba.sas_port_list, port_list) {
|
|
if (mpt2sas_port->remote_identify.device_type ==
|
|
SAS_END_DEVICE)
|
|
mpt2sas_device_remove(ioc,
|
|
mpt2sas_port->remote_identify.sas_address);
|
|
else if (mpt2sas_port->remote_identify.device_type ==
|
|
SAS_EDGE_EXPANDER_DEVICE ||
|
|
mpt2sas_port->remote_identify.device_type ==
|
|
SAS_FANOUT_EXPANDER_DEVICE)
|
|
mpt2sas_expander_remove(ioc,
|
|
mpt2sas_port->remote_identify.sas_address);
|
|
}
|
|
|
|
/* free phys attached to the sas_host */
|
|
if (ioc->sas_hba.num_phys) {
|
|
kfree(ioc->sas_hba.phy);
|
|
ioc->sas_hba.phy = NULL;
|
|
ioc->sas_hba.num_phys = 0;
|
|
}
|
|
|
|
sas_remove_host(shost);
|
|
_scsih_shutdown(pdev);
|
|
list_del(&ioc->list);
|
|
scsi_remove_host(shost);
|
|
scsi_host_put(shost);
|
|
}
|
|
|
|
/**
|
|
* _scsih_probe_boot_devices - reports 1st device
|
|
* @ioc: per adapter object
|
|
*
|
|
* If specified in bios page 2, this routine reports the 1st
|
|
* device scsi-ml or sas transport for persistent boot device
|
|
* purposes. Please refer to function _scsih_determine_boot_device()
|
|
*/
|
|
static void
|
|
_scsih_probe_boot_devices(struct MPT2SAS_ADAPTER *ioc)
|
|
{
|
|
u8 is_raid;
|
|
void *device;
|
|
struct _sas_device *sas_device;
|
|
struct _raid_device *raid_device;
|
|
u16 handle;
|
|
u64 sas_address_parent;
|
|
u64 sas_address;
|
|
unsigned long flags;
|
|
int rc;
|
|
|
|
device = NULL;
|
|
if (ioc->req_boot_device.device) {
|
|
device = ioc->req_boot_device.device;
|
|
is_raid = ioc->req_boot_device.is_raid;
|
|
} else if (ioc->req_alt_boot_device.device) {
|
|
device = ioc->req_alt_boot_device.device;
|
|
is_raid = ioc->req_alt_boot_device.is_raid;
|
|
} else if (ioc->current_boot_device.device) {
|
|
device = ioc->current_boot_device.device;
|
|
is_raid = ioc->current_boot_device.is_raid;
|
|
}
|
|
|
|
if (!device)
|
|
return;
|
|
|
|
if (is_raid) {
|
|
raid_device = device;
|
|
rc = scsi_add_device(ioc->shost, RAID_CHANNEL,
|
|
raid_device->id, 0);
|
|
if (rc)
|
|
_scsih_raid_device_remove(ioc, raid_device);
|
|
} else {
|
|
sas_device = device;
|
|
handle = sas_device->handle;
|
|
sas_address_parent = sas_device->sas_address_parent;
|
|
sas_address = sas_device->sas_address;
|
|
spin_lock_irqsave(&ioc->sas_device_lock, flags);
|
|
list_move_tail(&sas_device->list, &ioc->sas_device_list);
|
|
spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
|
|
if (!mpt2sas_transport_port_add(ioc, sas_device->handle,
|
|
sas_device->sas_address_parent)) {
|
|
_scsih_sas_device_remove(ioc, sas_device);
|
|
} else if (!sas_device->starget) {
|
|
mpt2sas_transport_port_remove(ioc, sas_address,
|
|
sas_address_parent);
|
|
_scsih_sas_device_remove(ioc, sas_device);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* _scsih_probe_raid - reporting raid volumes to scsi-ml
|
|
* @ioc: per adapter object
|
|
*
|
|
* Called during initial loading of the driver.
|
|
*/
|
|
static void
|
|
_scsih_probe_raid(struct MPT2SAS_ADAPTER *ioc)
|
|
{
|
|
struct _raid_device *raid_device, *raid_next;
|
|
int rc;
|
|
|
|
list_for_each_entry_safe(raid_device, raid_next,
|
|
&ioc->raid_device_list, list) {
|
|
if (raid_device->starget)
|
|
continue;
|
|
rc = scsi_add_device(ioc->shost, RAID_CHANNEL,
|
|
raid_device->id, 0);
|
|
if (rc)
|
|
_scsih_raid_device_remove(ioc, raid_device);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* _scsih_probe_sas - reporting sas devices to sas transport
|
|
* @ioc: per adapter object
|
|
*
|
|
* Called during initial loading of the driver.
|
|
*/
|
|
static void
|
|
_scsih_probe_sas(struct MPT2SAS_ADAPTER *ioc)
|
|
{
|
|
struct _sas_device *sas_device, *next;
|
|
unsigned long flags;
|
|
|
|
/* SAS Device List */
|
|
list_for_each_entry_safe(sas_device, next, &ioc->sas_device_init_list,
|
|
list) {
|
|
spin_lock_irqsave(&ioc->sas_device_lock, flags);
|
|
list_move_tail(&sas_device->list, &ioc->sas_device_list);
|
|
spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
|
|
|
|
if (!mpt2sas_transport_port_add(ioc, sas_device->handle,
|
|
sas_device->sas_address_parent)) {
|
|
_scsih_sas_device_remove(ioc, sas_device);
|
|
} else if (!sas_device->starget) {
|
|
mpt2sas_transport_port_remove(ioc,
|
|
sas_device->sas_address,
|
|
sas_device->sas_address_parent);
|
|
_scsih_sas_device_remove(ioc, sas_device);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* _scsih_probe_devices - probing for devices
|
|
* @ioc: per adapter object
|
|
*
|
|
* Called during initial loading of the driver.
|
|
*/
|
|
static void
|
|
_scsih_probe_devices(struct MPT2SAS_ADAPTER *ioc)
|
|
{
|
|
u16 volume_mapping_flags =
|
|
le16_to_cpu(ioc->ioc_pg8.IRVolumeMappingFlags) &
|
|
MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE;
|
|
|
|
if (!(ioc->facts.ProtocolFlags & MPI2_IOCFACTS_PROTOCOL_SCSI_INITIATOR))
|
|
return; /* return when IOC doesn't support initiator mode */
|
|
|
|
_scsih_probe_boot_devices(ioc);
|
|
|
|
if (ioc->ir_firmware) {
|
|
if ((volume_mapping_flags &
|
|
MPI2_IOCPAGE8_IRFLAGS_HIGH_VOLUME_MAPPING)) {
|
|
_scsih_probe_sas(ioc);
|
|
_scsih_probe_raid(ioc);
|
|
} else {
|
|
_scsih_probe_raid(ioc);
|
|
_scsih_probe_sas(ioc);
|
|
}
|
|
} else
|
|
_scsih_probe_sas(ioc);
|
|
}
|
|
|
|
/**
|
|
* _scsih_probe - attach and add scsi host
|
|
* @pdev: PCI device struct
|
|
* @id: pci device id
|
|
*
|
|
* Returns 0 success, anything else error.
|
|
*/
|
|
static int
|
|
_scsih_probe(struct pci_dev *pdev, const struct pci_device_id *id)
|
|
{
|
|
struct MPT2SAS_ADAPTER *ioc;
|
|
struct Scsi_Host *shost;
|
|
|
|
shost = scsi_host_alloc(&scsih_driver_template,
|
|
sizeof(struct MPT2SAS_ADAPTER));
|
|
if (!shost)
|
|
return -ENODEV;
|
|
|
|
/* init local params */
|
|
ioc = shost_priv(shost);
|
|
memset(ioc, 0, sizeof(struct MPT2SAS_ADAPTER));
|
|
INIT_LIST_HEAD(&ioc->list);
|
|
list_add_tail(&ioc->list, &mpt2sas_ioc_list);
|
|
ioc->shost = shost;
|
|
ioc->id = mpt_ids++;
|
|
sprintf(ioc->name, "%s%d", MPT2SAS_DRIVER_NAME, ioc->id);
|
|
ioc->pdev = pdev;
|
|
ioc->scsi_io_cb_idx = scsi_io_cb_idx;
|
|
ioc->tm_cb_idx = tm_cb_idx;
|
|
ioc->ctl_cb_idx = ctl_cb_idx;
|
|
ioc->base_cb_idx = base_cb_idx;
|
|
ioc->transport_cb_idx = transport_cb_idx;
|
|
ioc->scsih_cb_idx = scsih_cb_idx;
|
|
ioc->config_cb_idx = config_cb_idx;
|
|
ioc->tm_tr_cb_idx = tm_tr_cb_idx;
|
|
ioc->tm_tr_volume_cb_idx = tm_tr_volume_cb_idx;
|
|
ioc->tm_sas_control_cb_idx = tm_sas_control_cb_idx;
|
|
ioc->logging_level = logging_level;
|
|
/* misc semaphores and spin locks */
|
|
mutex_init(&ioc->reset_in_progress_mutex);
|
|
spin_lock_init(&ioc->ioc_reset_in_progress_lock);
|
|
spin_lock_init(&ioc->scsi_lookup_lock);
|
|
spin_lock_init(&ioc->sas_device_lock);
|
|
spin_lock_init(&ioc->sas_node_lock);
|
|
spin_lock_init(&ioc->fw_event_lock);
|
|
spin_lock_init(&ioc->raid_device_lock);
|
|
|
|
INIT_LIST_HEAD(&ioc->sas_device_list);
|
|
INIT_LIST_HEAD(&ioc->sas_device_init_list);
|
|
INIT_LIST_HEAD(&ioc->sas_expander_list);
|
|
INIT_LIST_HEAD(&ioc->fw_event_list);
|
|
INIT_LIST_HEAD(&ioc->raid_device_list);
|
|
INIT_LIST_HEAD(&ioc->sas_hba.sas_port_list);
|
|
INIT_LIST_HEAD(&ioc->delayed_tr_list);
|
|
INIT_LIST_HEAD(&ioc->delayed_tr_volume_list);
|
|
|
|
/* init shost parameters */
|
|
shost->max_cmd_len = 32;
|
|
shost->max_lun = max_lun;
|
|
shost->transportt = mpt2sas_transport_template;
|
|
shost->unique_id = ioc->id;
|
|
|
|
if ((scsi_add_host(shost, &pdev->dev))) {
|
|
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
|
|
ioc->name, __FILE__, __LINE__, __func__);
|
|
list_del(&ioc->list);
|
|
goto out_add_shost_fail;
|
|
}
|
|
|
|
scsi_host_set_prot(shost, SHOST_DIF_TYPE1_PROTECTION
|
|
| SHOST_DIF_TYPE2_PROTECTION | SHOST_DIF_TYPE3_PROTECTION);
|
|
scsi_host_set_guard(shost, SHOST_DIX_GUARD_CRC);
|
|
|
|
/* event thread */
|
|
snprintf(ioc->firmware_event_name, sizeof(ioc->firmware_event_name),
|
|
"fw_event%d", ioc->id);
|
|
ioc->firmware_event_thread = create_singlethread_workqueue(
|
|
ioc->firmware_event_name);
|
|
if (!ioc->firmware_event_thread) {
|
|
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
|
|
ioc->name, __FILE__, __LINE__, __func__);
|
|
goto out_thread_fail;
|
|
}
|
|
|
|
ioc->wait_for_port_enable_to_complete = 1;
|
|
if ((mpt2sas_base_attach(ioc))) {
|
|
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
|
|
ioc->name, __FILE__, __LINE__, __func__);
|
|
goto out_attach_fail;
|
|
}
|
|
|
|
ioc->wait_for_port_enable_to_complete = 0;
|
|
_scsih_probe_devices(ioc);
|
|
return 0;
|
|
|
|
out_attach_fail:
|
|
destroy_workqueue(ioc->firmware_event_thread);
|
|
out_thread_fail:
|
|
list_del(&ioc->list);
|
|
scsi_remove_host(shost);
|
|
out_add_shost_fail:
|
|
return -ENODEV;
|
|
}
|
|
|
|
#ifdef CONFIG_PM
|
|
/**
|
|
* _scsih_suspend - power management suspend main entry point
|
|
* @pdev: PCI device struct
|
|
* @state: PM state change to (usually PCI_D3)
|
|
*
|
|
* Returns 0 success, anything else error.
|
|
*/
|
|
static int
|
|
_scsih_suspend(struct pci_dev *pdev, pm_message_t state)
|
|
{
|
|
struct Scsi_Host *shost = pci_get_drvdata(pdev);
|
|
struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
|
|
u32 device_state;
|
|
|
|
mpt2sas_base_stop_watchdog(ioc);
|
|
scsi_block_requests(shost);
|
|
device_state = pci_choose_state(pdev, state);
|
|
printk(MPT2SAS_INFO_FMT "pdev=0x%p, slot=%s, entering "
|
|
"operating state [D%d]\n", ioc->name, pdev,
|
|
pci_name(pdev), device_state);
|
|
|
|
mpt2sas_base_free_resources(ioc);
|
|
pci_save_state(pdev);
|
|
pci_disable_device(pdev);
|
|
pci_set_power_state(pdev, device_state);
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* _scsih_resume - power management resume main entry point
|
|
* @pdev: PCI device struct
|
|
*
|
|
* Returns 0 success, anything else error.
|
|
*/
|
|
static int
|
|
_scsih_resume(struct pci_dev *pdev)
|
|
{
|
|
struct Scsi_Host *shost = pci_get_drvdata(pdev);
|
|
struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
|
|
u32 device_state = pdev->current_state;
|
|
int r;
|
|
|
|
printk(MPT2SAS_INFO_FMT "pdev=0x%p, slot=%s, previous "
|
|
"operating state [D%d]\n", ioc->name, pdev,
|
|
pci_name(pdev), device_state);
|
|
|
|
pci_set_power_state(pdev, PCI_D0);
|
|
pci_enable_wake(pdev, PCI_D0, 0);
|
|
pci_restore_state(pdev);
|
|
ioc->pdev = pdev;
|
|
r = mpt2sas_base_map_resources(ioc);
|
|
if (r)
|
|
return r;
|
|
|
|
mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, SOFT_RESET);
|
|
scsi_unblock_requests(shost);
|
|
mpt2sas_base_start_watchdog(ioc);
|
|
return 0;
|
|
}
|
|
#endif /* CONFIG_PM */
|
|
|
|
/**
|
|
* _scsih_pci_error_detected - Called when a PCI error is detected.
|
|
* @pdev: PCI device struct
|
|
* @state: PCI channel state
|
|
*
|
|
* Description: Called when a PCI error is detected.
|
|
*
|
|
* Return value:
|
|
* PCI_ERS_RESULT_NEED_RESET or PCI_ERS_RESULT_DISCONNECT
|
|
*/
|
|
static pci_ers_result_t
|
|
_scsih_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
|
|
{
|
|
struct Scsi_Host *shost = pci_get_drvdata(pdev);
|
|
struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
|
|
|
|
printk(MPT2SAS_INFO_FMT "PCI error: detected callback, state(%d)!!\n",
|
|
ioc->name, state);
|
|
|
|
switch (state) {
|
|
case pci_channel_io_normal:
|
|
return PCI_ERS_RESULT_CAN_RECOVER;
|
|
case pci_channel_io_frozen:
|
|
/* Fatal error, prepare for slot reset */
|
|
ioc->pci_error_recovery = 1;
|
|
scsi_block_requests(ioc->shost);
|
|
mpt2sas_base_stop_watchdog(ioc);
|
|
mpt2sas_base_free_resources(ioc);
|
|
return PCI_ERS_RESULT_NEED_RESET;
|
|
case pci_channel_io_perm_failure:
|
|
/* Permanent error, prepare for device removal */
|
|
ioc->pci_error_recovery = 1;
|
|
mpt2sas_base_stop_watchdog(ioc);
|
|
_scsih_flush_running_cmds(ioc);
|
|
return PCI_ERS_RESULT_DISCONNECT;
|
|
}
|
|
return PCI_ERS_RESULT_NEED_RESET;
|
|
}
|
|
|
|
/**
|
|
* _scsih_pci_slot_reset - Called when PCI slot has been reset.
|
|
* @pdev: PCI device struct
|
|
*
|
|
* Description: This routine is called by the pci error recovery
|
|
* code after the PCI slot has been reset, just before we
|
|
* should resume normal operations.
|
|
*/
|
|
static pci_ers_result_t
|
|
_scsih_pci_slot_reset(struct pci_dev *pdev)
|
|
{
|
|
struct Scsi_Host *shost = pci_get_drvdata(pdev);
|
|
struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
|
|
int rc;
|
|
|
|
printk(MPT2SAS_INFO_FMT "PCI error: slot reset callback!!\n",
|
|
ioc->name);
|
|
|
|
ioc->pci_error_recovery = 0;
|
|
ioc->pdev = pdev;
|
|
pci_restore_state(pdev);
|
|
rc = mpt2sas_base_map_resources(ioc);
|
|
if (rc)
|
|
return PCI_ERS_RESULT_DISCONNECT;
|
|
|
|
|
|
rc = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
|
|
FORCE_BIG_HAMMER);
|
|
|
|
printk(MPT2SAS_WARN_FMT "hard reset: %s\n", ioc->name,
|
|
(rc == 0) ? "success" : "failed");
|
|
|
|
if (!rc)
|
|
return PCI_ERS_RESULT_RECOVERED;
|
|
else
|
|
return PCI_ERS_RESULT_DISCONNECT;
|
|
}
|
|
|
|
/**
|
|
* _scsih_pci_resume() - resume normal ops after PCI reset
|
|
* @pdev: pointer to PCI device
|
|
*
|
|
* Called when the error recovery driver tells us that its
|
|
* OK to resume normal operation. Use completion to allow
|
|
* halted scsi ops to resume.
|
|
*/
|
|
static void
|
|
_scsih_pci_resume(struct pci_dev *pdev)
|
|
{
|
|
struct Scsi_Host *shost = pci_get_drvdata(pdev);
|
|
struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
|
|
|
|
printk(MPT2SAS_INFO_FMT "PCI error: resume callback!!\n", ioc->name);
|
|
|
|
pci_cleanup_aer_uncorrect_error_status(pdev);
|
|
mpt2sas_base_start_watchdog(ioc);
|
|
scsi_unblock_requests(ioc->shost);
|
|
}
|
|
|
|
/**
|
|
* _scsih_pci_mmio_enabled - Enable MMIO and dump debug registers
|
|
* @pdev: pointer to PCI device
|
|
*/
|
|
static pci_ers_result_t
|
|
_scsih_pci_mmio_enabled(struct pci_dev *pdev)
|
|
{
|
|
struct Scsi_Host *shost = pci_get_drvdata(pdev);
|
|
struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
|
|
|
|
printk(MPT2SAS_INFO_FMT "PCI error: mmio enabled callback!!\n",
|
|
ioc->name);
|
|
|
|
/* TODO - dump whatever for debugging purposes */
|
|
|
|
/* Request a slot reset. */
|
|
return PCI_ERS_RESULT_NEED_RESET;
|
|
}
|
|
|
|
static struct pci_error_handlers _scsih_err_handler = {
|
|
.error_detected = _scsih_pci_error_detected,
|
|
.mmio_enabled = _scsih_pci_mmio_enabled,
|
|
.slot_reset = _scsih_pci_slot_reset,
|
|
.resume = _scsih_pci_resume,
|
|
};
|
|
|
|
static struct pci_driver scsih_driver = {
|
|
.name = MPT2SAS_DRIVER_NAME,
|
|
.id_table = scsih_pci_table,
|
|
.probe = _scsih_probe,
|
|
.remove = __devexit_p(_scsih_remove),
|
|
.shutdown = _scsih_shutdown,
|
|
.err_handler = &_scsih_err_handler,
|
|
#ifdef CONFIG_PM
|
|
.suspend = _scsih_suspend,
|
|
.resume = _scsih_resume,
|
|
#endif
|
|
};
|
|
|
|
/* raid transport support */
|
|
static struct raid_function_template mpt2sas_raid_functions = {
|
|
.cookie = &scsih_driver_template,
|
|
.is_raid = _scsih_is_raid,
|
|
.get_resync = _scsih_get_resync,
|
|
.get_state = _scsih_get_state,
|
|
};
|
|
|
|
/**
|
|
* _scsih_init - main entry point for this driver.
|
|
*
|
|
* Returns 0 success, anything else error.
|
|
*/
|
|
static int __init
|
|
_scsih_init(void)
|
|
{
|
|
int error;
|
|
|
|
mpt_ids = 0;
|
|
printk(KERN_INFO "%s version %s loaded\n", MPT2SAS_DRIVER_NAME,
|
|
MPT2SAS_DRIVER_VERSION);
|
|
|
|
mpt2sas_transport_template =
|
|
sas_attach_transport(&mpt2sas_transport_functions);
|
|
if (!mpt2sas_transport_template)
|
|
return -ENODEV;
|
|
/* raid transport support */
|
|
mpt2sas_raid_template = raid_class_attach(&mpt2sas_raid_functions);
|
|
if (!mpt2sas_raid_template) {
|
|
sas_release_transport(mpt2sas_transport_template);
|
|
return -ENODEV;
|
|
}
|
|
|
|
mpt2sas_base_initialize_callback_handler();
|
|
|
|
/* queuecommand callback hander */
|
|
scsi_io_cb_idx = mpt2sas_base_register_callback_handler(_scsih_io_done);
|
|
|
|
/* task management callback handler */
|
|
tm_cb_idx = mpt2sas_base_register_callback_handler(_scsih_tm_done);
|
|
|
|
/* base internal commands callback handler */
|
|
base_cb_idx = mpt2sas_base_register_callback_handler(mpt2sas_base_done);
|
|
|
|
/* transport internal commands callback handler */
|
|
transport_cb_idx = mpt2sas_base_register_callback_handler(
|
|
mpt2sas_transport_done);
|
|
|
|
/* scsih internal commands callback handler */
|
|
scsih_cb_idx = mpt2sas_base_register_callback_handler(_scsih_done);
|
|
|
|
/* configuration page API internal commands callback handler */
|
|
config_cb_idx = mpt2sas_base_register_callback_handler(
|
|
mpt2sas_config_done);
|
|
|
|
/* ctl module callback handler */
|
|
ctl_cb_idx = mpt2sas_base_register_callback_handler(mpt2sas_ctl_done);
|
|
|
|
tm_tr_cb_idx = mpt2sas_base_register_callback_handler(
|
|
_scsih_tm_tr_complete);
|
|
|
|
tm_tr_volume_cb_idx = mpt2sas_base_register_callback_handler(
|
|
_scsih_tm_volume_tr_complete);
|
|
|
|
tm_sas_control_cb_idx = mpt2sas_base_register_callback_handler(
|
|
_scsih_sas_control_complete);
|
|
|
|
mpt2sas_ctl_init();
|
|
|
|
error = pci_register_driver(&scsih_driver);
|
|
if (error) {
|
|
/* raid transport support */
|
|
raid_class_release(mpt2sas_raid_template);
|
|
sas_release_transport(mpt2sas_transport_template);
|
|
}
|
|
|
|
return error;
|
|
}
|
|
|
|
/**
|
|
* _scsih_exit - exit point for this driver (when it is a module).
|
|
*
|
|
* Returns 0 success, anything else error.
|
|
*/
|
|
static void __exit
|
|
_scsih_exit(void)
|
|
{
|
|
printk(KERN_INFO "mpt2sas version %s unloading\n",
|
|
MPT2SAS_DRIVER_VERSION);
|
|
|
|
pci_unregister_driver(&scsih_driver);
|
|
|
|
mpt2sas_ctl_exit();
|
|
|
|
mpt2sas_base_release_callback_handler(scsi_io_cb_idx);
|
|
mpt2sas_base_release_callback_handler(tm_cb_idx);
|
|
mpt2sas_base_release_callback_handler(base_cb_idx);
|
|
mpt2sas_base_release_callback_handler(transport_cb_idx);
|
|
mpt2sas_base_release_callback_handler(scsih_cb_idx);
|
|
mpt2sas_base_release_callback_handler(config_cb_idx);
|
|
mpt2sas_base_release_callback_handler(ctl_cb_idx);
|
|
|
|
mpt2sas_base_release_callback_handler(tm_tr_cb_idx);
|
|
mpt2sas_base_release_callback_handler(tm_tr_volume_cb_idx);
|
|
mpt2sas_base_release_callback_handler(tm_sas_control_cb_idx);
|
|
|
|
/* raid transport support */
|
|
raid_class_release(mpt2sas_raid_template);
|
|
sas_release_transport(mpt2sas_transport_template);
|
|
|
|
}
|
|
|
|
module_init(_scsih_init);
|
|
module_exit(_scsih_exit);
|