|  | /* | 
|  | *  linux/drivers/message/fusion/mptsas.c | 
|  | *      For use with LSI PCI chip/adapter(s) | 
|  | *      running LSI Fusion MPT (Message Passing Technology) firmware. | 
|  | * | 
|  | *  Copyright (c) 1999-2008 LSI Corporation | 
|  | *  (mailto:DL-MPTFusionLinux@lsi.com) | 
|  | */ | 
|  | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | 
|  | /* | 
|  | This program is free software; you can redistribute it and/or modify | 
|  | it under the terms of the GNU General Public License as published by | 
|  | the Free Software Foundation; version 2 of the License. | 
|  |  | 
|  | This program is distributed in the hope that it will be useful, | 
|  | but WITHOUT ANY WARRANTY; without even the implied warranty of | 
|  | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the | 
|  | GNU General Public License for more details. | 
|  |  | 
|  | NO WARRANTY | 
|  | THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR | 
|  | CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT | 
|  | LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, | 
|  | MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is | 
|  | solely responsible for determining the appropriateness of using and | 
|  | distributing the Program and assumes all risks associated with its | 
|  | exercise of rights under this Agreement, including but not limited to | 
|  | the risks and costs of program errors, damage to or loss of data, | 
|  | programs or equipment, and unavailability or interruption of operations. | 
|  |  | 
|  | DISCLAIMER OF LIABILITY | 
|  | NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY | 
|  | DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | 
|  | DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND | 
|  | ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR | 
|  | TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE | 
|  | USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED | 
|  | HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES | 
|  |  | 
|  | You should have received a copy of the GNU General Public License | 
|  | along with this program; if not, write to the Free Software | 
|  | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA | 
|  | */ | 
|  | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | 
|  |  | 
|  | #include <linux/module.h> | 
|  | #include <linux/kernel.h> | 
|  | #include <linux/slab.h> | 
|  | #include <linux/init.h> | 
|  | #include <linux/errno.h> | 
|  | #include <linux/jiffies.h> | 
|  | #include <linux/workqueue.h> | 
|  | #include <linux/delay.h>	/* for mdelay */ | 
|  |  | 
|  | #include <scsi/scsi.h> | 
|  | #include <scsi/scsi_cmnd.h> | 
|  | #include <scsi/scsi_device.h> | 
|  | #include <scsi/scsi_host.h> | 
|  | #include <scsi/scsi_transport_sas.h> | 
|  | #include <scsi/scsi_transport.h> | 
|  | #include <scsi/scsi_dbg.h> | 
|  |  | 
|  | #include "mptbase.h" | 
|  | #include "mptscsih.h" | 
|  | #include "mptsas.h" | 
|  |  | 
|  |  | 
|  | #define my_NAME		"Fusion MPT SAS Host driver" | 
|  | #define my_VERSION	MPT_LINUX_VERSION_COMMON | 
|  | #define MYNAM		"mptsas" | 
|  |  | 
|  | /* | 
|  | * Reserved channel for integrated raid | 
|  | */ | 
|  | #define MPTSAS_RAID_CHANNEL	1 | 
|  |  | 
|  | #define SAS_CONFIG_PAGE_TIMEOUT		30 | 
|  | MODULE_AUTHOR(MODULEAUTHOR); | 
|  | MODULE_DESCRIPTION(my_NAME); | 
|  | MODULE_LICENSE("GPL"); | 
|  | MODULE_VERSION(my_VERSION); | 
|  |  | 
|  | static int mpt_pt_clear; | 
|  | module_param(mpt_pt_clear, int, 0); | 
|  | MODULE_PARM_DESC(mpt_pt_clear, | 
|  | " Clear persistency table: enable=1  " | 
|  | "(default=MPTSCSIH_PT_CLEAR=0)"); | 
|  |  | 
|  | /* scsi-mid layer global parmeter is max_report_luns, which is 511 */ | 
|  | #define MPTSAS_MAX_LUN (16895) | 
|  | static int max_lun = MPTSAS_MAX_LUN; | 
|  | module_param(max_lun, int, 0); | 
|  | MODULE_PARM_DESC(max_lun, " max lun, default=16895 "); | 
|  |  | 
|  | static int mpt_loadtime_max_sectors = 8192; | 
|  | module_param(mpt_loadtime_max_sectors, int, 0); | 
|  | MODULE_PARM_DESC(mpt_loadtime_max_sectors, | 
|  | " Maximum sector define for Host Bus Adaptor.Range 64 to 8192 default=8192"); | 
|  |  | 
|  | static u8	mptsasDoneCtx = MPT_MAX_PROTOCOL_DRIVERS; | 
|  | static u8	mptsasTaskCtx = MPT_MAX_PROTOCOL_DRIVERS; | 
|  | static u8	mptsasInternalCtx = MPT_MAX_PROTOCOL_DRIVERS; /* Used only for internal commands */ | 
|  | static u8	mptsasMgmtCtx = MPT_MAX_PROTOCOL_DRIVERS; | 
|  | static u8	mptsasDeviceResetCtx = MPT_MAX_PROTOCOL_DRIVERS; | 
|  |  | 
|  | static void mptsas_firmware_event_work(struct work_struct *work); | 
|  | static void mptsas_send_sas_event(struct fw_event_work *fw_event); | 
|  | static void mptsas_send_raid_event(struct fw_event_work *fw_event); | 
|  | static void mptsas_send_ir2_event(struct fw_event_work *fw_event); | 
|  | static void mptsas_parse_device_info(struct sas_identify *identify, | 
|  | struct mptsas_devinfo *device_info); | 
|  | static inline void mptsas_set_rphy(MPT_ADAPTER *ioc, | 
|  | struct mptsas_phyinfo *phy_info, struct sas_rphy *rphy); | 
|  | static struct mptsas_phyinfo	*mptsas_find_phyinfo_by_sas_address | 
|  | (MPT_ADAPTER *ioc, u64 sas_address); | 
|  | static int mptsas_sas_device_pg0(MPT_ADAPTER *ioc, | 
|  | struct mptsas_devinfo *device_info, u32 form, u32 form_specific); | 
|  | static int mptsas_sas_enclosure_pg0(MPT_ADAPTER *ioc, | 
|  | struct mptsas_enclosure *enclosure, u32 form, u32 form_specific); | 
|  | static int mptsas_add_end_device(MPT_ADAPTER *ioc, | 
|  | struct mptsas_phyinfo *phy_info); | 
|  | static void mptsas_del_end_device(MPT_ADAPTER *ioc, | 
|  | struct mptsas_phyinfo *phy_info); | 
|  | static void mptsas_send_link_status_event(struct fw_event_work *fw_event); | 
|  | static struct mptsas_portinfo	*mptsas_find_portinfo_by_sas_address | 
|  | (MPT_ADAPTER *ioc, u64 sas_address); | 
|  | static void mptsas_expander_delete(MPT_ADAPTER *ioc, | 
|  | struct mptsas_portinfo *port_info, u8 force); | 
|  | static void mptsas_send_expander_event(struct fw_event_work *fw_event); | 
|  | static void mptsas_not_responding_devices(MPT_ADAPTER *ioc); | 
|  | static void mptsas_scan_sas_topology(MPT_ADAPTER *ioc); | 
|  | static void mptsas_broadcast_primative_work(struct fw_event_work *fw_event); | 
|  | static void mptsas_handle_queue_full_event(struct fw_event_work *fw_event); | 
|  | static void mptsas_volume_delete(MPT_ADAPTER *ioc, u8 id); | 
|  | void	mptsas_schedule_target_reset(void *ioc); | 
|  |  | 
|  | static void mptsas_print_phy_data(MPT_ADAPTER *ioc, | 
|  | MPI_SAS_IO_UNIT0_PHY_DATA *phy_data) | 
|  | { | 
|  | dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT | 
|  | "---- IO UNIT PAGE 0 ------------\n", ioc->name)); | 
|  | dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Handle=0x%X\n", | 
|  | ioc->name, le16_to_cpu(phy_data->AttachedDeviceHandle))); | 
|  | dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Controller Handle=0x%X\n", | 
|  | ioc->name, le16_to_cpu(phy_data->ControllerDevHandle))); | 
|  | dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Port=0x%X\n", | 
|  | ioc->name, phy_data->Port)); | 
|  | dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Port Flags=0x%X\n", | 
|  | ioc->name, phy_data->PortFlags)); | 
|  | dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "PHY Flags=0x%X\n", | 
|  | ioc->name, phy_data->PhyFlags)); | 
|  | dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Negotiated Link Rate=0x%X\n", | 
|  | ioc->name, phy_data->NegotiatedLinkRate)); | 
|  | dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT | 
|  | "Controller PHY Device Info=0x%X\n", ioc->name, | 
|  | le32_to_cpu(phy_data->ControllerPhyDeviceInfo))); | 
|  | dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "DiscoveryStatus=0x%X\n\n", | 
|  | ioc->name, le32_to_cpu(phy_data->DiscoveryStatus))); | 
|  | } | 
|  |  | 
|  | static void mptsas_print_phy_pg0(MPT_ADAPTER *ioc, SasPhyPage0_t *pg0) | 
|  | { | 
|  | __le64 sas_address; | 
|  |  | 
|  | memcpy(&sas_address, &pg0->SASAddress, sizeof(__le64)); | 
|  |  | 
|  | dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT | 
|  | "---- SAS PHY PAGE 0 ------------\n", ioc->name)); | 
|  | dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT | 
|  | "Attached Device Handle=0x%X\n", ioc->name, | 
|  | le16_to_cpu(pg0->AttachedDevHandle))); | 
|  | dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SAS Address=0x%llX\n", | 
|  | ioc->name, (unsigned long long)le64_to_cpu(sas_address))); | 
|  | dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT | 
|  | "Attached PHY Identifier=0x%X\n", ioc->name, | 
|  | pg0->AttachedPhyIdentifier)); | 
|  | dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Attached Device Info=0x%X\n", | 
|  | ioc->name, le32_to_cpu(pg0->AttachedDeviceInfo))); | 
|  | dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Programmed Link Rate=0x%X\n", | 
|  | ioc->name,  pg0->ProgrammedLinkRate)); | 
|  | dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Change Count=0x%X\n", | 
|  | ioc->name, pg0->ChangeCount)); | 
|  | dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "PHY Info=0x%X\n\n", | 
|  | ioc->name, le32_to_cpu(pg0->PhyInfo))); | 
|  | } | 
|  |  | 
|  | static void mptsas_print_phy_pg1(MPT_ADAPTER *ioc, SasPhyPage1_t *pg1) | 
|  | { | 
|  | dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT | 
|  | "---- SAS PHY PAGE 1 ------------\n", ioc->name)); | 
|  | dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Invalid Dword Count=0x%x\n", | 
|  | ioc->name,  pg1->InvalidDwordCount)); | 
|  | dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT | 
|  | "Running Disparity Error Count=0x%x\n", ioc->name, | 
|  | pg1->RunningDisparityErrorCount)); | 
|  | dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT | 
|  | "Loss Dword Synch Count=0x%x\n", ioc->name, | 
|  | pg1->LossDwordSynchCount)); | 
|  | dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT | 
|  | "PHY Reset Problem Count=0x%x\n\n", ioc->name, | 
|  | pg1->PhyResetProblemCount)); | 
|  | } | 
|  |  | 
|  | static void mptsas_print_device_pg0(MPT_ADAPTER *ioc, SasDevicePage0_t *pg0) | 
|  | { | 
|  | __le64 sas_address; | 
|  |  | 
|  | memcpy(&sas_address, &pg0->SASAddress, sizeof(__le64)); | 
|  |  | 
|  | dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT | 
|  | "---- SAS DEVICE PAGE 0 ---------\n", ioc->name)); | 
|  | dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Handle=0x%X\n", | 
|  | ioc->name, le16_to_cpu(pg0->DevHandle))); | 
|  | dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Parent Handle=0x%X\n", | 
|  | ioc->name, le16_to_cpu(pg0->ParentDevHandle))); | 
|  | dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Enclosure Handle=0x%X\n", | 
|  | ioc->name, le16_to_cpu(pg0->EnclosureHandle))); | 
|  | dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Slot=0x%X\n", | 
|  | ioc->name, le16_to_cpu(pg0->Slot))); | 
|  | dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SAS Address=0x%llX\n", | 
|  | ioc->name, (unsigned long long)le64_to_cpu(sas_address))); | 
|  | dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Target ID=0x%X\n", | 
|  | ioc->name, pg0->TargetID)); | 
|  | dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Bus=0x%X\n", | 
|  | ioc->name, pg0->Bus)); | 
|  | dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Parent Phy Num=0x%X\n", | 
|  | ioc->name, pg0->PhyNum)); | 
|  | dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Access Status=0x%X\n", | 
|  | ioc->name, le16_to_cpu(pg0->AccessStatus))); | 
|  | dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Device Info=0x%X\n", | 
|  | ioc->name, le32_to_cpu(pg0->DeviceInfo))); | 
|  | dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Flags=0x%X\n", | 
|  | ioc->name, le16_to_cpu(pg0->Flags))); | 
|  | dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Physical Port=0x%X\n\n", | 
|  | ioc->name, pg0->PhysicalPort)); | 
|  | } | 
|  |  | 
|  | static void mptsas_print_expander_pg1(MPT_ADAPTER *ioc, SasExpanderPage1_t *pg1) | 
|  | { | 
|  | dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT | 
|  | "---- SAS EXPANDER PAGE 1 ------------\n", ioc->name)); | 
|  | dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Physical Port=0x%X\n", | 
|  | ioc->name, pg1->PhysicalPort)); | 
|  | dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "PHY Identifier=0x%X\n", | 
|  | ioc->name, pg1->PhyIdentifier)); | 
|  | dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Negotiated Link Rate=0x%X\n", | 
|  | ioc->name, pg1->NegotiatedLinkRate)); | 
|  | dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Programmed Link Rate=0x%X\n", | 
|  | ioc->name, pg1->ProgrammedLinkRate)); | 
|  | dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Hardware Link Rate=0x%X\n", | 
|  | ioc->name, pg1->HwLinkRate)); | 
|  | dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Owner Device Handle=0x%X\n", | 
|  | ioc->name, le16_to_cpu(pg1->OwnerDevHandle))); | 
|  | dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT | 
|  | "Attached Device Handle=0x%X\n\n", ioc->name, | 
|  | le16_to_cpu(pg1->AttachedDevHandle))); | 
|  | } | 
|  |  | 
|  | /* inhibit sas firmware event handling */ | 
|  | static void | 
|  | mptsas_fw_event_off(MPT_ADAPTER *ioc) | 
|  | { | 
|  | unsigned long flags; | 
|  |  | 
|  | spin_lock_irqsave(&ioc->fw_event_lock, flags); | 
|  | ioc->fw_events_off = 1; | 
|  | ioc->sas_discovery_quiesce_io = 0; | 
|  | spin_unlock_irqrestore(&ioc->fw_event_lock, flags); | 
|  |  | 
|  | } | 
|  |  | 
|  | /* enable sas firmware event handling */ | 
|  | static void | 
|  | mptsas_fw_event_on(MPT_ADAPTER *ioc) | 
|  | { | 
|  | unsigned long flags; | 
|  |  | 
|  | spin_lock_irqsave(&ioc->fw_event_lock, flags); | 
|  | ioc->fw_events_off = 0; | 
|  | spin_unlock_irqrestore(&ioc->fw_event_lock, flags); | 
|  | } | 
|  |  | 
|  | /* queue a sas firmware event */ | 
|  | static void | 
|  | mptsas_add_fw_event(MPT_ADAPTER *ioc, struct fw_event_work *fw_event, | 
|  | unsigned long delay) | 
|  | { | 
|  | unsigned long flags; | 
|  |  | 
|  | spin_lock_irqsave(&ioc->fw_event_lock, flags); | 
|  | list_add_tail(&fw_event->list, &ioc->fw_event_list); | 
|  | INIT_DELAYED_WORK(&fw_event->work, mptsas_firmware_event_work); | 
|  | devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: add (fw_event=0x%p)" | 
|  | "on cpuid %d\n", ioc->name, __func__, | 
|  | fw_event, smp_processor_id())); | 
|  | queue_delayed_work_on(smp_processor_id(), ioc->fw_event_q, | 
|  | &fw_event->work, delay); | 
|  | spin_unlock_irqrestore(&ioc->fw_event_lock, flags); | 
|  | } | 
|  |  | 
|  | /* requeue a sas firmware event */ | 
|  | static void | 
|  | mptsas_requeue_fw_event(MPT_ADAPTER *ioc, struct fw_event_work *fw_event, | 
|  | unsigned long delay) | 
|  | { | 
|  | unsigned long flags; | 
|  | spin_lock_irqsave(&ioc->fw_event_lock, flags); | 
|  | devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: reschedule task " | 
|  | "(fw_event=0x%p)on cpuid %d\n", ioc->name, __func__, | 
|  | fw_event, smp_processor_id())); | 
|  | fw_event->retries++; | 
|  | queue_delayed_work_on(smp_processor_id(), ioc->fw_event_q, | 
|  | &fw_event->work, msecs_to_jiffies(delay)); | 
|  | spin_unlock_irqrestore(&ioc->fw_event_lock, flags); | 
|  | } | 
|  |  | 
|  | /* free memory associated to a sas firmware event */ | 
|  | static void | 
|  | mptsas_free_fw_event(MPT_ADAPTER *ioc, struct fw_event_work *fw_event) | 
|  | { | 
|  | unsigned long flags; | 
|  |  | 
|  | spin_lock_irqsave(&ioc->fw_event_lock, flags); | 
|  | devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: kfree (fw_event=0x%p)\n", | 
|  | ioc->name, __func__, fw_event)); | 
|  | list_del(&fw_event->list); | 
|  | kfree(fw_event); | 
|  | spin_unlock_irqrestore(&ioc->fw_event_lock, flags); | 
|  | } | 
|  |  | 
|  | /* walk the firmware event queue, and either stop or wait for | 
|  | * outstanding events to complete */ | 
|  | static void | 
|  | mptsas_cleanup_fw_event_q(MPT_ADAPTER *ioc) | 
|  | { | 
|  | struct fw_event_work *fw_event, *next; | 
|  | struct mptsas_target_reset_event *target_reset_list, *n; | 
|  | MPT_SCSI_HOST	*hd = shost_priv(ioc->sh); | 
|  |  | 
|  | /* flush the target_reset_list */ | 
|  | if (!list_empty(&hd->target_reset_list)) { | 
|  | list_for_each_entry_safe(target_reset_list, n, | 
|  | &hd->target_reset_list, list) { | 
|  | dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT | 
|  | "%s: removing target reset for id=%d\n", | 
|  | ioc->name, __func__, | 
|  | target_reset_list->sas_event_data.TargetID)); | 
|  | list_del(&target_reset_list->list); | 
|  | kfree(target_reset_list); | 
|  | } | 
|  | } | 
|  |  | 
|  | if (list_empty(&ioc->fw_event_list) || | 
|  | !ioc->fw_event_q || in_interrupt()) | 
|  | return; | 
|  |  | 
|  | list_for_each_entry_safe(fw_event, next, &ioc->fw_event_list, list) { | 
|  | if (cancel_delayed_work(&fw_event->work)) | 
|  | mptsas_free_fw_event(ioc, fw_event); | 
|  | } | 
|  | } | 
|  |  | 
|  |  | 
|  | static inline MPT_ADAPTER *phy_to_ioc(struct sas_phy *phy) | 
|  | { | 
|  | struct Scsi_Host *shost = dev_to_shost(phy->dev.parent); | 
|  | return ((MPT_SCSI_HOST *)shost->hostdata)->ioc; | 
|  | } | 
|  |  | 
|  | static inline MPT_ADAPTER *rphy_to_ioc(struct sas_rphy *rphy) | 
|  | { | 
|  | struct Scsi_Host *shost = dev_to_shost(rphy->dev.parent->parent); | 
|  | return ((MPT_SCSI_HOST *)shost->hostdata)->ioc; | 
|  | } | 
|  |  | 
|  | /* | 
|  | * mptsas_find_portinfo_by_handle | 
|  | * | 
|  | * This function should be called with the sas_topology_mutex already held | 
|  | */ | 
|  | static struct mptsas_portinfo * | 
|  | mptsas_find_portinfo_by_handle(MPT_ADAPTER *ioc, u16 handle) | 
|  | { | 
|  | struct mptsas_portinfo *port_info, *rc=NULL; | 
|  | int i; | 
|  |  | 
|  | list_for_each_entry(port_info, &ioc->sas_topology, list) | 
|  | for (i = 0; i < port_info->num_phys; i++) | 
|  | if (port_info->phy_info[i].identify.handle == handle) { | 
|  | rc = port_info; | 
|  | goto out; | 
|  | } | 
|  | out: | 
|  | return rc; | 
|  | } | 
|  |  | 
|  | /** | 
|  | *	mptsas_find_portinfo_by_sas_address - | 
|  | *	@ioc: Pointer to MPT_ADAPTER structure | 
|  | *	@handle: | 
|  | * | 
|  | *	This function should be called with the sas_topology_mutex already held | 
|  | * | 
|  | **/ | 
|  | static struct mptsas_portinfo * | 
|  | mptsas_find_portinfo_by_sas_address(MPT_ADAPTER *ioc, u64 sas_address) | 
|  | { | 
|  | struct mptsas_portinfo *port_info, *rc = NULL; | 
|  | int i; | 
|  |  | 
|  | if (sas_address >= ioc->hba_port_sas_addr && | 
|  | sas_address < (ioc->hba_port_sas_addr + | 
|  | ioc->hba_port_num_phy)) | 
|  | return ioc->hba_port_info; | 
|  |  | 
|  | mutex_lock(&ioc->sas_topology_mutex); | 
|  | list_for_each_entry(port_info, &ioc->sas_topology, list) | 
|  | for (i = 0; i < port_info->num_phys; i++) | 
|  | if (port_info->phy_info[i].identify.sas_address == | 
|  | sas_address) { | 
|  | rc = port_info; | 
|  | goto out; | 
|  | } | 
|  | out: | 
|  | mutex_unlock(&ioc->sas_topology_mutex); | 
|  | return rc; | 
|  | } | 
|  |  | 
|  | /* | 
|  | * Returns true if there is a scsi end device | 
|  | */ | 
|  | static inline int | 
|  | mptsas_is_end_device(struct mptsas_devinfo * attached) | 
|  | { | 
|  | if ((attached->sas_address) && | 
|  | (attached->device_info & | 
|  | MPI_SAS_DEVICE_INFO_END_DEVICE) && | 
|  | ((attached->device_info & | 
|  | MPI_SAS_DEVICE_INFO_SSP_TARGET) | | 
|  | (attached->device_info & | 
|  | MPI_SAS_DEVICE_INFO_STP_TARGET) | | 
|  | (attached->device_info & | 
|  | MPI_SAS_DEVICE_INFO_SATA_DEVICE))) | 
|  | return 1; | 
|  | else | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | /* no mutex */ | 
|  | static void | 
|  | mptsas_port_delete(MPT_ADAPTER *ioc, struct mptsas_portinfo_details * port_details) | 
|  | { | 
|  | struct mptsas_portinfo *port_info; | 
|  | struct mptsas_phyinfo *phy_info; | 
|  | u8	i; | 
|  |  | 
|  | if (!port_details) | 
|  | return; | 
|  |  | 
|  | port_info = port_details->port_info; | 
|  | phy_info = port_info->phy_info; | 
|  |  | 
|  | dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: [%p]: num_phys=%02d " | 
|  | "bitmask=0x%016llX\n", ioc->name, __func__, port_details, | 
|  | port_details->num_phys, (unsigned long long) | 
|  | port_details->phy_bitmask)); | 
|  |  | 
|  | for (i = 0; i < port_info->num_phys; i++, phy_info++) { | 
|  | if(phy_info->port_details != port_details) | 
|  | continue; | 
|  | memset(&phy_info->attached, 0, sizeof(struct mptsas_devinfo)); | 
|  | mptsas_set_rphy(ioc, phy_info, NULL); | 
|  | phy_info->port_details = NULL; | 
|  | } | 
|  | kfree(port_details); | 
|  | } | 
|  |  | 
|  | static inline struct sas_rphy * | 
|  | mptsas_get_rphy(struct mptsas_phyinfo *phy_info) | 
|  | { | 
|  | if (phy_info->port_details) | 
|  | return phy_info->port_details->rphy; | 
|  | else | 
|  | return NULL; | 
|  | } | 
|  |  | 
|  | static inline void | 
|  | mptsas_set_rphy(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info, struct sas_rphy *rphy) | 
|  | { | 
|  | if (phy_info->port_details) { | 
|  | phy_info->port_details->rphy = rphy; | 
|  | dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "sas_rphy_add: rphy=%p\n", | 
|  | ioc->name, rphy)); | 
|  | } | 
|  |  | 
|  | if (rphy) { | 
|  | dsaswideprintk(ioc, dev_printk(KERN_DEBUG, | 
|  | &rphy->dev, MYIOC_s_FMT "add:", ioc->name)); | 
|  | dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "rphy=%p release=%p\n", | 
|  | ioc->name, rphy, rphy->dev.release)); | 
|  | } | 
|  | } | 
|  |  | 
|  | static inline struct sas_port * | 
|  | mptsas_get_port(struct mptsas_phyinfo *phy_info) | 
|  | { | 
|  | if (phy_info->port_details) | 
|  | return phy_info->port_details->port; | 
|  | else | 
|  | return NULL; | 
|  | } | 
|  |  | 
|  | static inline void | 
|  | mptsas_set_port(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info, struct sas_port *port) | 
|  | { | 
|  | if (phy_info->port_details) | 
|  | phy_info->port_details->port = port; | 
|  |  | 
|  | if (port) { | 
|  | dsaswideprintk(ioc, dev_printk(KERN_DEBUG, | 
|  | &port->dev, MYIOC_s_FMT "add:", ioc->name)); | 
|  | dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "port=%p release=%p\n", | 
|  | ioc->name, port, port->dev.release)); | 
|  | } | 
|  | } | 
|  |  | 
|  | static inline struct scsi_target * | 
|  | mptsas_get_starget(struct mptsas_phyinfo *phy_info) | 
|  | { | 
|  | if (phy_info->port_details) | 
|  | return phy_info->port_details->starget; | 
|  | else | 
|  | return NULL; | 
|  | } | 
|  |  | 
|  | static inline void | 
|  | mptsas_set_starget(struct mptsas_phyinfo *phy_info, struct scsi_target * | 
|  | starget) | 
|  | { | 
|  | if (phy_info->port_details) | 
|  | phy_info->port_details->starget = starget; | 
|  | } | 
|  |  | 
|  | /** | 
|  | *	mptsas_add_device_component - | 
|  | *	@ioc: Pointer to MPT_ADAPTER structure | 
|  | *	@channel: fw mapped id's | 
|  | *	@id: | 
|  | *	@sas_address: | 
|  | *	@device_info: | 
|  | * | 
|  | **/ | 
|  | static void | 
|  | mptsas_add_device_component(MPT_ADAPTER *ioc, u8 channel, u8 id, | 
|  | u64 sas_address, u32 device_info, u16 slot, u64 enclosure_logical_id) | 
|  | { | 
|  | struct mptsas_device_info	*sas_info, *next; | 
|  | struct scsi_device	*sdev; | 
|  | struct scsi_target	*starget; | 
|  | struct sas_rphy	*rphy; | 
|  |  | 
|  | /* | 
|  | * Delete all matching devices out of the list | 
|  | */ | 
|  | mutex_lock(&ioc->sas_device_info_mutex); | 
|  | list_for_each_entry_safe(sas_info, next, &ioc->sas_device_info_list, | 
|  | list) { | 
|  | if (!sas_info->is_logical_volume && | 
|  | (sas_info->sas_address == sas_address || | 
|  | (sas_info->fw.channel == channel && | 
|  | sas_info->fw.id == id))) { | 
|  | list_del(&sas_info->list); | 
|  | kfree(sas_info); | 
|  | } | 
|  | } | 
|  |  | 
|  | sas_info = kzalloc(sizeof(struct mptsas_device_info), GFP_KERNEL); | 
|  | if (!sas_info) | 
|  | goto out; | 
|  |  | 
|  | /* | 
|  | * Set Firmware mapping | 
|  | */ | 
|  | sas_info->fw.id = id; | 
|  | sas_info->fw.channel = channel; | 
|  |  | 
|  | sas_info->sas_address = sas_address; | 
|  | sas_info->device_info = device_info; | 
|  | sas_info->slot = slot; | 
|  | sas_info->enclosure_logical_id = enclosure_logical_id; | 
|  | INIT_LIST_HEAD(&sas_info->list); | 
|  | list_add_tail(&sas_info->list, &ioc->sas_device_info_list); | 
|  |  | 
|  | /* | 
|  | * Set OS mapping | 
|  | */ | 
|  | shost_for_each_device(sdev, ioc->sh) { | 
|  | starget = scsi_target(sdev); | 
|  | rphy = dev_to_rphy(starget->dev.parent); | 
|  | if (rphy->identify.sas_address == sas_address) { | 
|  | sas_info->os.id = starget->id; | 
|  | sas_info->os.channel = starget->channel; | 
|  | } | 
|  | } | 
|  |  | 
|  | out: | 
|  | mutex_unlock(&ioc->sas_device_info_mutex); | 
|  | return; | 
|  | } | 
|  |  | 
|  | /** | 
|  | *	mptsas_add_device_component_by_fw - | 
|  | *	@ioc: Pointer to MPT_ADAPTER structure | 
|  | *	@channel:  fw mapped id's | 
|  | *	@id: | 
|  | * | 
|  | **/ | 
|  | static void | 
|  | mptsas_add_device_component_by_fw(MPT_ADAPTER *ioc, u8 channel, u8 id) | 
|  | { | 
|  | struct mptsas_devinfo sas_device; | 
|  | struct mptsas_enclosure enclosure_info; | 
|  | int rc; | 
|  |  | 
|  | rc = mptsas_sas_device_pg0(ioc, &sas_device, | 
|  | (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID << | 
|  | MPI_SAS_DEVICE_PGAD_FORM_SHIFT), | 
|  | (channel << 8) + id); | 
|  | if (rc) | 
|  | return; | 
|  |  | 
|  | memset(&enclosure_info, 0, sizeof(struct mptsas_enclosure)); | 
|  | mptsas_sas_enclosure_pg0(ioc, &enclosure_info, | 
|  | (MPI_SAS_ENCLOS_PGAD_FORM_HANDLE << | 
|  | MPI_SAS_ENCLOS_PGAD_FORM_SHIFT), | 
|  | sas_device.handle_enclosure); | 
|  |  | 
|  | mptsas_add_device_component(ioc, sas_device.channel, | 
|  | sas_device.id, sas_device.sas_address, sas_device.device_info, | 
|  | sas_device.slot, enclosure_info.enclosure_logical_id); | 
|  | } | 
|  |  | 
|  | /** | 
|  | *	mptsas_add_device_component_starget_ir - Handle Integrated RAID, adding each individual device to list | 
|  | *	@ioc: Pointer to MPT_ADAPTER structure | 
|  | *	@channel: fw mapped id's | 
|  | *	@id: | 
|  | * | 
|  | **/ | 
|  | static void | 
|  | mptsas_add_device_component_starget_ir(MPT_ADAPTER *ioc, | 
|  | struct scsi_target *starget) | 
|  | { | 
|  | CONFIGPARMS			cfg; | 
|  | ConfigPageHeader_t		hdr; | 
|  | dma_addr_t			dma_handle; | 
|  | pRaidVolumePage0_t		buffer = NULL; | 
|  | int				i; | 
|  | RaidPhysDiskPage0_t 		phys_disk; | 
|  | struct mptsas_device_info	*sas_info, *next; | 
|  |  | 
|  | memset(&cfg, 0 , sizeof(CONFIGPARMS)); | 
|  | memset(&hdr, 0 , sizeof(ConfigPageHeader_t)); | 
|  | hdr.PageType = MPI_CONFIG_PAGETYPE_RAID_VOLUME; | 
|  | /* assumption that all volumes on channel = 0 */ | 
|  | cfg.pageAddr = starget->id; | 
|  | cfg.cfghdr.hdr = &hdr; | 
|  | cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; | 
|  | cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT; | 
|  |  | 
|  | if (mpt_config(ioc, &cfg) != 0) | 
|  | goto out; | 
|  |  | 
|  | if (!hdr.PageLength) | 
|  | goto out; | 
|  |  | 
|  | buffer = pci_alloc_consistent(ioc->pcidev, hdr.PageLength * 4, | 
|  | &dma_handle); | 
|  |  | 
|  | if (!buffer) | 
|  | goto out; | 
|  |  | 
|  | cfg.physAddr = dma_handle; | 
|  | cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; | 
|  |  | 
|  | if (mpt_config(ioc, &cfg) != 0) | 
|  | goto out; | 
|  |  | 
|  | if (!buffer->NumPhysDisks) | 
|  | goto out; | 
|  |  | 
|  | /* | 
|  | * Adding entry for hidden components | 
|  | */ | 
|  | for (i = 0; i < buffer->NumPhysDisks; i++) { | 
|  |  | 
|  | if (mpt_raid_phys_disk_pg0(ioc, | 
|  | buffer->PhysDisk[i].PhysDiskNum, &phys_disk) != 0) | 
|  | continue; | 
|  |  | 
|  | mptsas_add_device_component_by_fw(ioc, phys_disk.PhysDiskBus, | 
|  | phys_disk.PhysDiskID); | 
|  |  | 
|  | mutex_lock(&ioc->sas_device_info_mutex); | 
|  | list_for_each_entry(sas_info, &ioc->sas_device_info_list, | 
|  | list) { | 
|  | if (!sas_info->is_logical_volume && | 
|  | (sas_info->fw.channel == phys_disk.PhysDiskBus && | 
|  | sas_info->fw.id == phys_disk.PhysDiskID)) { | 
|  | sas_info->is_hidden_raid_component = 1; | 
|  | sas_info->volume_id = starget->id; | 
|  | } | 
|  | } | 
|  | mutex_unlock(&ioc->sas_device_info_mutex); | 
|  |  | 
|  | } | 
|  |  | 
|  | /* | 
|  | * Delete all matching devices out of the list | 
|  | */ | 
|  | mutex_lock(&ioc->sas_device_info_mutex); | 
|  | list_for_each_entry_safe(sas_info, next, &ioc->sas_device_info_list, | 
|  | list) { | 
|  | if (sas_info->is_logical_volume && sas_info->fw.id == | 
|  | starget->id) { | 
|  | list_del(&sas_info->list); | 
|  | kfree(sas_info); | 
|  | } | 
|  | } | 
|  |  | 
|  | sas_info = kzalloc(sizeof(struct mptsas_device_info), GFP_KERNEL); | 
|  | if (sas_info) { | 
|  | sas_info->fw.id = starget->id; | 
|  | sas_info->os.id = starget->id; | 
|  | sas_info->os.channel = starget->channel; | 
|  | sas_info->is_logical_volume = 1; | 
|  | INIT_LIST_HEAD(&sas_info->list); | 
|  | list_add_tail(&sas_info->list, &ioc->sas_device_info_list); | 
|  | } | 
|  | mutex_unlock(&ioc->sas_device_info_mutex); | 
|  |  | 
|  | out: | 
|  | if (buffer) | 
|  | pci_free_consistent(ioc->pcidev, hdr.PageLength * 4, buffer, | 
|  | dma_handle); | 
|  | } | 
|  |  | 
|  | /** | 
|  | *	mptsas_add_device_component_starget - | 
|  | *	@ioc: Pointer to MPT_ADAPTER structure | 
|  | *	@starget: | 
|  | * | 
|  | **/ | 
|  | static void | 
|  | mptsas_add_device_component_starget(MPT_ADAPTER *ioc, | 
|  | struct scsi_target *starget) | 
|  | { | 
|  | VirtTarget	*vtarget; | 
|  | struct sas_rphy	*rphy; | 
|  | struct mptsas_phyinfo	*phy_info = NULL; | 
|  | struct mptsas_enclosure	enclosure_info; | 
|  |  | 
|  | rphy = dev_to_rphy(starget->dev.parent); | 
|  | vtarget = starget->hostdata; | 
|  | phy_info = mptsas_find_phyinfo_by_sas_address(ioc, | 
|  | rphy->identify.sas_address); | 
|  | if (!phy_info) | 
|  | return; | 
|  |  | 
|  | memset(&enclosure_info, 0, sizeof(struct mptsas_enclosure)); | 
|  | mptsas_sas_enclosure_pg0(ioc, &enclosure_info, | 
|  | (MPI_SAS_ENCLOS_PGAD_FORM_HANDLE << | 
|  | MPI_SAS_ENCLOS_PGAD_FORM_SHIFT), | 
|  | phy_info->attached.handle_enclosure); | 
|  |  | 
|  | mptsas_add_device_component(ioc, phy_info->attached.channel, | 
|  | phy_info->attached.id, phy_info->attached.sas_address, | 
|  | phy_info->attached.device_info, | 
|  | phy_info->attached.slot, enclosure_info.enclosure_logical_id); | 
|  | } | 
|  |  | 
|  | /** | 
|  | *	mptsas_del_device_component_by_os - Once a device has been removed, we mark the entry in the list as being cached | 
|  | *	@ioc: Pointer to MPT_ADAPTER structure | 
|  | *	@channel: os mapped id's | 
|  | *	@id: | 
|  | * | 
|  | **/ | 
|  | static void | 
|  | mptsas_del_device_component_by_os(MPT_ADAPTER *ioc, u8 channel, u8 id) | 
|  | { | 
|  | struct mptsas_device_info	*sas_info, *next; | 
|  |  | 
|  | /* | 
|  | * Set is_cached flag | 
|  | */ | 
|  | list_for_each_entry_safe(sas_info, next, &ioc->sas_device_info_list, | 
|  | list) { | 
|  | if (sas_info->os.channel == channel && sas_info->os.id == id) | 
|  | sas_info->is_cached = 1; | 
|  | } | 
|  | } | 
|  |  | 
|  | /** | 
|  | *	mptsas_del_device_components - Cleaning the list | 
|  | *	@ioc: Pointer to MPT_ADAPTER structure | 
|  | * | 
|  | **/ | 
|  | static void | 
|  | mptsas_del_device_components(MPT_ADAPTER *ioc) | 
|  | { | 
|  | struct mptsas_device_info	*sas_info, *next; | 
|  |  | 
|  | mutex_lock(&ioc->sas_device_info_mutex); | 
|  | list_for_each_entry_safe(sas_info, next, &ioc->sas_device_info_list, | 
|  | list) { | 
|  | list_del(&sas_info->list); | 
|  | kfree(sas_info); | 
|  | } | 
|  | mutex_unlock(&ioc->sas_device_info_mutex); | 
|  | } | 
|  |  | 
|  |  | 
|  | /* | 
|  | * mptsas_setup_wide_ports | 
|  | * | 
|  | * Updates for new and existing narrow/wide port configuration | 
|  | * in the sas_topology | 
|  | */ | 
|  | static void | 
|  | mptsas_setup_wide_ports(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info) | 
|  | { | 
|  | struct mptsas_portinfo_details * port_details; | 
|  | struct mptsas_phyinfo *phy_info, *phy_info_cmp; | 
|  | u64	sas_address; | 
|  | int	i, j; | 
|  |  | 
|  | mutex_lock(&ioc->sas_topology_mutex); | 
|  |  | 
|  | phy_info = port_info->phy_info; | 
|  | for (i = 0 ; i < port_info->num_phys ; i++, phy_info++) { | 
|  | if (phy_info->attached.handle) | 
|  | continue; | 
|  | port_details = phy_info->port_details; | 
|  | if (!port_details) | 
|  | continue; | 
|  | if (port_details->num_phys < 2) | 
|  | continue; | 
|  | /* | 
|  | * Removing a phy from a port, letting the last | 
|  | * phy be removed by firmware events. | 
|  | */ | 
|  | dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT | 
|  | "%s: [%p]: deleting phy = %d\n", | 
|  | ioc->name, __func__, port_details, i)); | 
|  | port_details->num_phys--; | 
|  | port_details->phy_bitmask &= ~ (1 << phy_info->phy_id); | 
|  | memset(&phy_info->attached, 0, sizeof(struct mptsas_devinfo)); | 
|  | if (phy_info->phy) { | 
|  | devtprintk(ioc, dev_printk(KERN_DEBUG, | 
|  | &phy_info->phy->dev, MYIOC_s_FMT | 
|  | "delete phy %d, phy-obj (0x%p)\n", ioc->name, | 
|  | phy_info->phy_id, phy_info->phy)); | 
|  | sas_port_delete_phy(port_details->port, phy_info->phy); | 
|  | } | 
|  | phy_info->port_details = NULL; | 
|  | } | 
|  |  | 
|  | /* | 
|  | * Populate and refresh the tree | 
|  | */ | 
|  | phy_info = port_info->phy_info; | 
|  | for (i = 0 ; i < port_info->num_phys ; i++, phy_info++) { | 
|  | sas_address = phy_info->attached.sas_address; | 
|  | dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "phy_id=%d sas_address=0x%018llX\n", | 
|  | ioc->name, i, (unsigned long long)sas_address)); | 
|  | if (!sas_address) | 
|  | continue; | 
|  | port_details = phy_info->port_details; | 
|  | /* | 
|  | * Forming a port | 
|  | */ | 
|  | if (!port_details) { | 
|  | port_details = kzalloc(sizeof(struct | 
|  | mptsas_portinfo_details), GFP_KERNEL); | 
|  | if (!port_details) | 
|  | goto out; | 
|  | port_details->num_phys = 1; | 
|  | port_details->port_info = port_info; | 
|  | if (phy_info->phy_id < 64 ) | 
|  | port_details->phy_bitmask |= | 
|  | (1 << phy_info->phy_id); | 
|  | phy_info->sas_port_add_phy=1; | 
|  | dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "\t\tForming port\n\t\t" | 
|  | "phy_id=%d sas_address=0x%018llX\n", | 
|  | ioc->name, i, (unsigned long long)sas_address)); | 
|  | phy_info->port_details = port_details; | 
|  | } | 
|  |  | 
|  | if (i == port_info->num_phys - 1) | 
|  | continue; | 
|  | phy_info_cmp = &port_info->phy_info[i + 1]; | 
|  | for (j = i + 1 ; j < port_info->num_phys ; j++, | 
|  | phy_info_cmp++) { | 
|  | if (!phy_info_cmp->attached.sas_address) | 
|  | continue; | 
|  | if (sas_address != phy_info_cmp->attached.sas_address) | 
|  | continue; | 
|  | if (phy_info_cmp->port_details == port_details ) | 
|  | continue; | 
|  | dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT | 
|  | "\t\tphy_id=%d sas_address=0x%018llX\n", | 
|  | ioc->name, j, (unsigned long long) | 
|  | phy_info_cmp->attached.sas_address)); | 
|  | if (phy_info_cmp->port_details) { | 
|  | port_details->rphy = | 
|  | mptsas_get_rphy(phy_info_cmp); | 
|  | port_details->port = | 
|  | mptsas_get_port(phy_info_cmp); | 
|  | port_details->starget = | 
|  | mptsas_get_starget(phy_info_cmp); | 
|  | port_details->num_phys = | 
|  | phy_info_cmp->port_details->num_phys; | 
|  | if (!phy_info_cmp->port_details->num_phys) | 
|  | kfree(phy_info_cmp->port_details); | 
|  | } else | 
|  | phy_info_cmp->sas_port_add_phy=1; | 
|  | /* | 
|  | * Adding a phy to a port | 
|  | */ | 
|  | phy_info_cmp->port_details = port_details; | 
|  | if (phy_info_cmp->phy_id < 64 ) | 
|  | port_details->phy_bitmask |= | 
|  | (1 << phy_info_cmp->phy_id); | 
|  | port_details->num_phys++; | 
|  | } | 
|  | } | 
|  |  | 
|  | out: | 
|  |  | 
|  | for (i = 0; i < port_info->num_phys; i++) { | 
|  | port_details = port_info->phy_info[i].port_details; | 
|  | if (!port_details) | 
|  | continue; | 
|  | dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT | 
|  | "%s: [%p]: phy_id=%02d num_phys=%02d " | 
|  | "bitmask=0x%016llX\n", ioc->name, __func__, | 
|  | port_details, i, port_details->num_phys, | 
|  | (unsigned long long)port_details->phy_bitmask)); | 
|  | dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "\t\tport = %p rphy=%p\n", | 
|  | ioc->name, port_details->port, port_details->rphy)); | 
|  | } | 
|  | dsaswideprintk(ioc, printk("\n")); | 
|  | mutex_unlock(&ioc->sas_topology_mutex); | 
|  | } | 
|  |  | 
|  | /** | 
|  | * csmisas_find_vtarget | 
|  | * | 
|  | * @ioc | 
|  | * @volume_id | 
|  | * @volume_bus | 
|  | * | 
|  | **/ | 
|  | static VirtTarget * | 
|  | mptsas_find_vtarget(MPT_ADAPTER *ioc, u8 channel, u8 id) | 
|  | { | 
|  | struct scsi_device 		*sdev; | 
|  | VirtDevice			*vdevice; | 
|  | VirtTarget 			*vtarget = NULL; | 
|  |  | 
|  | shost_for_each_device(sdev, ioc->sh) { | 
|  | vdevice = sdev->hostdata; | 
|  | if ((vdevice == NULL) || | 
|  | (vdevice->vtarget == NULL)) | 
|  | continue; | 
|  | if ((vdevice->vtarget->tflags & | 
|  | MPT_TARGET_FLAGS_RAID_COMPONENT || | 
|  | vdevice->vtarget->raidVolume)) | 
|  | continue; | 
|  | if (vdevice->vtarget->id == id && | 
|  | vdevice->vtarget->channel == channel) | 
|  | vtarget = vdevice->vtarget; | 
|  | } | 
|  | return vtarget; | 
|  | } | 
|  |  | 
|  | static void | 
|  | mptsas_queue_device_delete(MPT_ADAPTER *ioc, | 
|  | MpiEventDataSasDeviceStatusChange_t *sas_event_data) | 
|  | { | 
|  | struct fw_event_work *fw_event; | 
|  | int sz; | 
|  |  | 
|  | sz = offsetof(struct fw_event_work, event_data) + | 
|  | sizeof(MpiEventDataSasDeviceStatusChange_t); | 
|  | fw_event = kzalloc(sz, GFP_ATOMIC); | 
|  | if (!fw_event) { | 
|  | printk(MYIOC_s_WARN_FMT "%s: failed at (line=%d)\n", | 
|  | ioc->name, __func__, __LINE__); | 
|  | return; | 
|  | } | 
|  | memcpy(fw_event->event_data, sas_event_data, | 
|  | sizeof(MpiEventDataSasDeviceStatusChange_t)); | 
|  | fw_event->event = MPI_EVENT_SAS_DEVICE_STATUS_CHANGE; | 
|  | fw_event->ioc = ioc; | 
|  | mptsas_add_fw_event(ioc, fw_event, msecs_to_jiffies(1)); | 
|  | } | 
|  |  | 
|  | static void | 
|  | mptsas_queue_rescan(MPT_ADAPTER *ioc) | 
|  | { | 
|  | struct fw_event_work *fw_event; | 
|  | int sz; | 
|  |  | 
|  | sz = offsetof(struct fw_event_work, event_data); | 
|  | fw_event = kzalloc(sz, GFP_ATOMIC); | 
|  | if (!fw_event) { | 
|  | printk(MYIOC_s_WARN_FMT "%s: failed at (line=%d)\n", | 
|  | ioc->name, __func__, __LINE__); | 
|  | return; | 
|  | } | 
|  | fw_event->event = -1; | 
|  | fw_event->ioc = ioc; | 
|  | mptsas_add_fw_event(ioc, fw_event, msecs_to_jiffies(1)); | 
|  | } | 
|  |  | 
|  |  | 
|  | /** | 
|  | * mptsas_target_reset | 
|  | * | 
|  | * Issues TARGET_RESET to end device using handshaking method | 
|  | * | 
|  | * @ioc | 
|  | * @channel | 
|  | * @id | 
|  | * | 
|  | * Returns (1) success | 
|  | *         (0) failure | 
|  | * | 
|  | **/ | 
|  | static int | 
|  | mptsas_target_reset(MPT_ADAPTER *ioc, u8 channel, u8 id) | 
|  | { | 
|  | MPT_FRAME_HDR	*mf; | 
|  | SCSITaskMgmt_t	*pScsiTm; | 
|  | if (mpt_set_taskmgmt_in_progress_flag(ioc) != 0) | 
|  | return 0; | 
|  |  | 
|  |  | 
|  | mf = mpt_get_msg_frame(mptsasDeviceResetCtx, ioc); | 
|  | if (mf == NULL) { | 
|  | dfailprintk(ioc, printk(MYIOC_s_WARN_FMT | 
|  | "%s, no msg frames @%d!!\n", ioc->name, | 
|  | __func__, __LINE__)); | 
|  | goto out_fail; | 
|  | } | 
|  |  | 
|  | dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt request (mf=%p)\n", | 
|  | ioc->name, mf)); | 
|  |  | 
|  | /* Format the Request | 
|  | */ | 
|  | pScsiTm = (SCSITaskMgmt_t *) mf; | 
|  | memset (pScsiTm, 0, sizeof(SCSITaskMgmt_t)); | 
|  | pScsiTm->TargetID = id; | 
|  | pScsiTm->Bus = channel; | 
|  | pScsiTm->Function = MPI_FUNCTION_SCSI_TASK_MGMT; | 
|  | pScsiTm->TaskType = MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET; | 
|  | pScsiTm->MsgFlags = MPI_SCSITASKMGMT_MSGFLAGS_LIPRESET_RESET_OPTION; | 
|  |  | 
|  | DBG_DUMP_TM_REQUEST_FRAME(ioc, (u32 *)mf); | 
|  |  | 
|  | dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT | 
|  | "TaskMgmt type=%d (sas device delete) fw_channel = %d fw_id = %d)\n", | 
|  | ioc->name, MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET, channel, id)); | 
|  |  | 
|  | mpt_put_msg_frame_hi_pri(mptsasDeviceResetCtx, ioc, mf); | 
|  |  | 
|  | return 1; | 
|  |  | 
|  | out_fail: | 
|  |  | 
|  | mpt_clear_taskmgmt_in_progress_flag(ioc); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static void | 
|  | mptsas_block_io_sdev(struct scsi_device *sdev, void *data) | 
|  | { | 
|  | scsi_device_set_state(sdev, SDEV_BLOCK); | 
|  | } | 
|  |  | 
|  | static void | 
|  | mptsas_block_io_starget(struct scsi_target *starget) | 
|  | { | 
|  | if (starget) | 
|  | starget_for_each_device(starget, NULL, mptsas_block_io_sdev); | 
|  | } | 
|  |  | 
|  | /** | 
|  | * mptsas_target_reset_queue | 
|  | * | 
|  | * Receive request for TARGET_RESET after receiving an firmware | 
|  | * event NOT_RESPONDING_EVENT, then put command in link list | 
|  | * and queue if task_queue already in use. | 
|  | * | 
|  | * @ioc | 
|  | * @sas_event_data | 
|  | * | 
|  | **/ | 
|  | static void | 
|  | mptsas_target_reset_queue(MPT_ADAPTER *ioc, | 
|  | EVENT_DATA_SAS_DEVICE_STATUS_CHANGE *sas_event_data) | 
|  | { | 
|  | MPT_SCSI_HOST	*hd = shost_priv(ioc->sh); | 
|  | VirtTarget *vtarget = NULL; | 
|  | struct mptsas_target_reset_event *target_reset_list; | 
|  | u8		id, channel; | 
|  |  | 
|  | id = sas_event_data->TargetID; | 
|  | channel = sas_event_data->Bus; | 
|  |  | 
|  | vtarget = mptsas_find_vtarget(ioc, channel, id); | 
|  | if (vtarget) { | 
|  | mptsas_block_io_starget(vtarget->starget); | 
|  | vtarget->deleted = 1; /* block IO */ | 
|  | } | 
|  |  | 
|  | target_reset_list = kzalloc(sizeof(struct mptsas_target_reset_event), | 
|  | GFP_ATOMIC); | 
|  | if (!target_reset_list) { | 
|  | dfailprintk(ioc, printk(MYIOC_s_WARN_FMT | 
|  | "%s, failed to allocate mem @%d..!!\n", | 
|  | ioc->name, __func__, __LINE__)); | 
|  | return; | 
|  | } | 
|  |  | 
|  | memcpy(&target_reset_list->sas_event_data, sas_event_data, | 
|  | sizeof(*sas_event_data)); | 
|  | list_add_tail(&target_reset_list->list, &hd->target_reset_list); | 
|  |  | 
|  | target_reset_list->time_count = jiffies; | 
|  |  | 
|  | if (mptsas_target_reset(ioc, channel, id)) { | 
|  | target_reset_list->target_reset_issued = 1; | 
|  | } | 
|  | } | 
|  |  | 
|  | /** | 
|  | * mptsas_schedule_target_reset- send pending target reset | 
|  | * @iocp: per adapter object | 
|  | * | 
|  | * This function will delete scheduled target reset from the list and | 
|  | * try to send next target reset. This will be called from completion | 
|  | * context of any Task management command. | 
|  | */ | 
|  |  | 
|  | void | 
|  | mptsas_schedule_target_reset(void *iocp) | 
|  | { | 
|  | MPT_ADAPTER *ioc = (MPT_ADAPTER *)(iocp); | 
|  | MPT_SCSI_HOST	*hd = shost_priv(ioc->sh); | 
|  | struct list_head *head = &hd->target_reset_list; | 
|  | struct mptsas_target_reset_event	*target_reset_list; | 
|  | u8		id, channel; | 
|  | /* | 
|  | * issue target reset to next device in the queue | 
|  | */ | 
|  |  | 
|  | head = &hd->target_reset_list; | 
|  | if (list_empty(head)) | 
|  | return; | 
|  |  | 
|  | target_reset_list = list_entry(head->next, | 
|  | struct mptsas_target_reset_event, list); | 
|  |  | 
|  | id = target_reset_list->sas_event_data.TargetID; | 
|  | channel = target_reset_list->sas_event_data.Bus; | 
|  | target_reset_list->time_count = jiffies; | 
|  |  | 
|  | if (mptsas_target_reset(ioc, channel, id)) | 
|  | target_reset_list->target_reset_issued = 1; | 
|  | return; | 
|  | } | 
|  |  | 
|  |  | 
|  | /** | 
|  | *	mptsas_taskmgmt_complete - complete SAS task management function | 
|  | *	@ioc: Pointer to MPT_ADAPTER structure | 
|  | * | 
|  | *	Completion for TARGET_RESET after NOT_RESPONDING_EVENT, enable work | 
|  | *	queue to finish off removing device from upper layers. then send next | 
|  | *	TARGET_RESET in the queue. | 
|  | **/ | 
|  | static int | 
|  | mptsas_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr) | 
|  | { | 
|  | MPT_SCSI_HOST	*hd = shost_priv(ioc->sh); | 
|  | struct list_head *head = &hd->target_reset_list; | 
|  | u8		id, channel; | 
|  | struct mptsas_target_reset_event	*target_reset_list; | 
|  | SCSITaskMgmtReply_t *pScsiTmReply; | 
|  |  | 
|  | dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt completed: " | 
|  | "(mf = %p, mr = %p)\n", ioc->name, mf, mr)); | 
|  |  | 
|  | pScsiTmReply = (SCSITaskMgmtReply_t *)mr; | 
|  | if (pScsiTmReply) { | 
|  | dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT | 
|  | "\tTaskMgmt completed: fw_channel = %d, fw_id = %d,\n" | 
|  | "\ttask_type = 0x%02X, iocstatus = 0x%04X " | 
|  | "loginfo = 0x%08X,\n\tresponse_code = 0x%02X, " | 
|  | "term_cmnds = %d\n", ioc->name, | 
|  | pScsiTmReply->Bus, pScsiTmReply->TargetID, | 
|  | pScsiTmReply->TaskType, | 
|  | le16_to_cpu(pScsiTmReply->IOCStatus), | 
|  | le32_to_cpu(pScsiTmReply->IOCLogInfo), | 
|  | pScsiTmReply->ResponseCode, | 
|  | le32_to_cpu(pScsiTmReply->TerminationCount))); | 
|  |  | 
|  | if (pScsiTmReply->ResponseCode) | 
|  | mptscsih_taskmgmt_response_code(ioc, | 
|  | pScsiTmReply->ResponseCode); | 
|  | } | 
|  |  | 
|  | if (pScsiTmReply && (pScsiTmReply->TaskType == | 
|  | MPI_SCSITASKMGMT_TASKTYPE_QUERY_TASK || pScsiTmReply->TaskType == | 
|  | MPI_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET)) { | 
|  | ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD; | 
|  | ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_RF_VALID; | 
|  | memcpy(ioc->taskmgmt_cmds.reply, mr, | 
|  | min(MPT_DEFAULT_FRAME_SIZE, 4 * mr->u.reply.MsgLength)); | 
|  | if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_PENDING) { | 
|  | ioc->taskmgmt_cmds.status &= ~MPT_MGMT_STATUS_PENDING; | 
|  | complete(&ioc->taskmgmt_cmds.done); | 
|  | return 1; | 
|  | } | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | mpt_clear_taskmgmt_in_progress_flag(ioc); | 
|  |  | 
|  | if (list_empty(head)) | 
|  | return 1; | 
|  |  | 
|  | target_reset_list = list_entry(head->next, | 
|  | struct mptsas_target_reset_event, list); | 
|  |  | 
|  | dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT | 
|  | "TaskMgmt: completed (%d seconds)\n", | 
|  | ioc->name, jiffies_to_msecs(jiffies - | 
|  | target_reset_list->time_count)/1000)); | 
|  |  | 
|  | id = pScsiTmReply->TargetID; | 
|  | channel = pScsiTmReply->Bus; | 
|  | target_reset_list->time_count = jiffies; | 
|  |  | 
|  | /* | 
|  | * retry target reset | 
|  | */ | 
|  | if (!target_reset_list->target_reset_issued) { | 
|  | if (mptsas_target_reset(ioc, channel, id)) | 
|  | target_reset_list->target_reset_issued = 1; | 
|  | return 1; | 
|  | } | 
|  |  | 
|  | /* | 
|  | * enable work queue to remove device from upper layers | 
|  | */ | 
|  | list_del(&target_reset_list->list); | 
|  | if (!ioc->fw_events_off) | 
|  | mptsas_queue_device_delete(ioc, | 
|  | &target_reset_list->sas_event_data); | 
|  |  | 
|  |  | 
|  | ioc->schedule_target_reset(ioc); | 
|  |  | 
|  | return 1; | 
|  | } | 
|  |  | 
|  | /** | 
|  | * mptscsih_ioc_reset | 
|  | * | 
|  | * @ioc | 
|  | * @reset_phase | 
|  | * | 
|  | **/ | 
|  | static int | 
|  | mptsas_ioc_reset(MPT_ADAPTER *ioc, int reset_phase) | 
|  | { | 
|  | MPT_SCSI_HOST	*hd; | 
|  | int rc; | 
|  |  | 
|  | rc = mptscsih_ioc_reset(ioc, reset_phase); | 
|  | if ((ioc->bus_type != SAS) || (!rc)) | 
|  | return rc; | 
|  |  | 
|  | hd = shost_priv(ioc->sh); | 
|  | if (!hd->ioc) | 
|  | goto out; | 
|  |  | 
|  | switch (reset_phase) { | 
|  | case MPT_IOC_SETUP_RESET: | 
|  | dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT | 
|  | "%s: MPT_IOC_SETUP_RESET\n", ioc->name, __func__)); | 
|  | mptsas_fw_event_off(ioc); | 
|  | break; | 
|  | case MPT_IOC_PRE_RESET: | 
|  | dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT | 
|  | "%s: MPT_IOC_PRE_RESET\n", ioc->name, __func__)); | 
|  | break; | 
|  | case MPT_IOC_POST_RESET: | 
|  | dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT | 
|  | "%s: MPT_IOC_POST_RESET\n", ioc->name, __func__)); | 
|  | if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_PENDING) { | 
|  | ioc->sas_mgmt.status |= MPT_MGMT_STATUS_DID_IOCRESET; | 
|  | complete(&ioc->sas_mgmt.done); | 
|  | } | 
|  | mptsas_cleanup_fw_event_q(ioc); | 
|  | mptsas_queue_rescan(ioc); | 
|  | break; | 
|  | default: | 
|  | break; | 
|  | } | 
|  |  | 
|  | out: | 
|  | return rc; | 
|  | } | 
|  |  | 
|  |  | 
|  | /** | 
|  | * enum device_state - | 
|  | * @DEVICE_RETRY: need to retry the TUR | 
|  | * @DEVICE_ERROR: TUR return error, don't add device | 
|  | * @DEVICE_READY: device can be added | 
|  | * | 
|  | */ | 
|  | enum device_state{ | 
|  | DEVICE_RETRY, | 
|  | DEVICE_ERROR, | 
|  | DEVICE_READY, | 
|  | }; | 
|  |  | 
|  | static int | 
|  | mptsas_sas_enclosure_pg0(MPT_ADAPTER *ioc, struct mptsas_enclosure *enclosure, | 
|  | u32 form, u32 form_specific) | 
|  | { | 
|  | ConfigExtendedPageHeader_t hdr; | 
|  | CONFIGPARMS cfg; | 
|  | SasEnclosurePage0_t *buffer; | 
|  | dma_addr_t dma_handle; | 
|  | int error; | 
|  | __le64 le_identifier; | 
|  |  | 
|  | memset(&hdr, 0, sizeof(hdr)); | 
|  | hdr.PageVersion = MPI_SASENCLOSURE0_PAGEVERSION; | 
|  | hdr.PageNumber = 0; | 
|  | hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED; | 
|  | hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_ENCLOSURE; | 
|  |  | 
|  | cfg.cfghdr.ehdr = &hdr; | 
|  | cfg.physAddr = -1; | 
|  | cfg.pageAddr = form + form_specific; | 
|  | cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; | 
|  | cfg.dir = 0;	/* read */ | 
|  | cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT; | 
|  |  | 
|  | error = mpt_config(ioc, &cfg); | 
|  | if (error) | 
|  | goto out; | 
|  | if (!hdr.ExtPageLength) { | 
|  | error = -ENXIO; | 
|  | goto out; | 
|  | } | 
|  |  | 
|  | buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4, | 
|  | &dma_handle); | 
|  | if (!buffer) { | 
|  | error = -ENOMEM; | 
|  | goto out; | 
|  | } | 
|  |  | 
|  | cfg.physAddr = dma_handle; | 
|  | cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; | 
|  |  | 
|  | error = mpt_config(ioc, &cfg); | 
|  | if (error) | 
|  | goto out_free_consistent; | 
|  |  | 
|  | /* save config data */ | 
|  | memcpy(&le_identifier, &buffer->EnclosureLogicalID, sizeof(__le64)); | 
|  | enclosure->enclosure_logical_id = le64_to_cpu(le_identifier); | 
|  | enclosure->enclosure_handle = le16_to_cpu(buffer->EnclosureHandle); | 
|  | enclosure->flags = le16_to_cpu(buffer->Flags); | 
|  | enclosure->num_slot = le16_to_cpu(buffer->NumSlots); | 
|  | enclosure->start_slot = le16_to_cpu(buffer->StartSlot); | 
|  | enclosure->start_id = buffer->StartTargetID; | 
|  | enclosure->start_channel = buffer->StartBus; | 
|  | enclosure->sep_id = buffer->SEPTargetID; | 
|  | enclosure->sep_channel = buffer->SEPBus; | 
|  |  | 
|  | out_free_consistent: | 
|  | pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4, | 
|  | buffer, dma_handle); | 
|  | out: | 
|  | return error; | 
|  | } | 
|  |  | 
|  | /** | 
|  | *	mptsas_add_end_device - report a new end device to sas transport layer | 
|  | *	@ioc: Pointer to MPT_ADAPTER structure | 
|  | *	@phy_info: describes attached device | 
|  | * | 
|  | *	return (0) success (1) failure | 
|  | * | 
|  | **/ | 
|  | static int | 
|  | mptsas_add_end_device(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info) | 
|  | { | 
|  | struct sas_rphy *rphy; | 
|  | struct sas_port *port; | 
|  | struct sas_identify identify; | 
|  | char *ds = NULL; | 
|  | u8 fw_id; | 
|  |  | 
|  | if (!phy_info) { | 
|  | dfailprintk(ioc, printk(MYIOC_s_ERR_FMT | 
|  | "%s: exit at line=%d\n", ioc->name, | 
|  | __func__, __LINE__)); | 
|  | return 1; | 
|  | } | 
|  |  | 
|  | fw_id = phy_info->attached.id; | 
|  |  | 
|  | if (mptsas_get_rphy(phy_info)) { | 
|  | dfailprintk(ioc, printk(MYIOC_s_ERR_FMT | 
|  | "%s: fw_id=%d exit at line=%d\n", ioc->name, | 
|  | __func__, fw_id, __LINE__)); | 
|  | return 2; | 
|  | } | 
|  |  | 
|  | port = mptsas_get_port(phy_info); | 
|  | if (!port) { | 
|  | dfailprintk(ioc, printk(MYIOC_s_ERR_FMT | 
|  | "%s: fw_id=%d exit at line=%d\n", ioc->name, | 
|  | __func__, fw_id, __LINE__)); | 
|  | return 3; | 
|  | } | 
|  |  | 
|  | if (phy_info->attached.device_info & | 
|  | MPI_SAS_DEVICE_INFO_SSP_TARGET) | 
|  | ds = "ssp"; | 
|  | if (phy_info->attached.device_info & | 
|  | MPI_SAS_DEVICE_INFO_STP_TARGET) | 
|  | ds = "stp"; | 
|  | if (phy_info->attached.device_info & | 
|  | MPI_SAS_DEVICE_INFO_SATA_DEVICE) | 
|  | ds = "sata"; | 
|  |  | 
|  | printk(MYIOC_s_INFO_FMT "attaching %s device: fw_channel %d, fw_id %d," | 
|  | " phy %d, sas_addr 0x%llx\n", ioc->name, ds, | 
|  | phy_info->attached.channel, phy_info->attached.id, | 
|  | phy_info->attached.phy_id, (unsigned long long) | 
|  | phy_info->attached.sas_address); | 
|  |  | 
|  | mptsas_parse_device_info(&identify, &phy_info->attached); | 
|  | rphy = sas_end_device_alloc(port); | 
|  | if (!rphy) { | 
|  | dfailprintk(ioc, printk(MYIOC_s_ERR_FMT | 
|  | "%s: fw_id=%d exit at line=%d\n", ioc->name, | 
|  | __func__, fw_id, __LINE__)); | 
|  | return 5; /* non-fatal: an rphy can be added later */ | 
|  | } | 
|  |  | 
|  | rphy->identify = identify; | 
|  | if (sas_rphy_add(rphy)) { | 
|  | dfailprintk(ioc, printk(MYIOC_s_ERR_FMT | 
|  | "%s: fw_id=%d exit at line=%d\n", ioc->name, | 
|  | __func__, fw_id, __LINE__)); | 
|  | sas_rphy_free(rphy); | 
|  | return 6; | 
|  | } | 
|  | mptsas_set_rphy(ioc, phy_info, rphy); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | /** | 
|  | *	mptsas_del_end_device - report a deleted end device to sas transport layer | 
|  | *	@ioc: Pointer to MPT_ADAPTER structure | 
|  | *	@phy_info: describes attached device | 
|  | * | 
|  | **/ | 
|  | static void | 
|  | mptsas_del_end_device(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info) | 
|  | { | 
|  | struct sas_rphy *rphy; | 
|  | struct sas_port *port; | 
|  | struct mptsas_portinfo *port_info; | 
|  | struct mptsas_phyinfo *phy_info_parent; | 
|  | int i; | 
|  | char *ds = NULL; | 
|  | u8 fw_id; | 
|  | u64 sas_address; | 
|  |  | 
|  | if (!phy_info) | 
|  | return; | 
|  |  | 
|  | fw_id = phy_info->attached.id; | 
|  | sas_address = phy_info->attached.sas_address; | 
|  |  | 
|  | if (!phy_info->port_details) { | 
|  | dfailprintk(ioc, printk(MYIOC_s_ERR_FMT | 
|  | "%s: fw_id=%d exit at line=%d\n", ioc->name, | 
|  | __func__, fw_id, __LINE__)); | 
|  | return; | 
|  | } | 
|  | rphy = mptsas_get_rphy(phy_info); | 
|  | if (!rphy) { | 
|  | dfailprintk(ioc, printk(MYIOC_s_ERR_FMT | 
|  | "%s: fw_id=%d exit at line=%d\n", ioc->name, | 
|  | __func__, fw_id, __LINE__)); | 
|  | return; | 
|  | } | 
|  |  | 
|  | if (phy_info->attached.device_info & MPI_SAS_DEVICE_INFO_SSP_INITIATOR | 
|  | || phy_info->attached.device_info | 
|  | & MPI_SAS_DEVICE_INFO_SMP_INITIATOR | 
|  | || phy_info->attached.device_info | 
|  | & MPI_SAS_DEVICE_INFO_STP_INITIATOR) | 
|  | ds = "initiator"; | 
|  | if (phy_info->attached.device_info & | 
|  | MPI_SAS_DEVICE_INFO_SSP_TARGET) | 
|  | ds = "ssp"; | 
|  | if (phy_info->attached.device_info & | 
|  | MPI_SAS_DEVICE_INFO_STP_TARGET) | 
|  | ds = "stp"; | 
|  | if (phy_info->attached.device_info & | 
|  | MPI_SAS_DEVICE_INFO_SATA_DEVICE) | 
|  | ds = "sata"; | 
|  |  | 
|  | dev_printk(KERN_DEBUG, &rphy->dev, MYIOC_s_FMT | 
|  | "removing %s device: fw_channel %d, fw_id %d, phy %d," | 
|  | "sas_addr 0x%llx\n", ioc->name, ds, phy_info->attached.channel, | 
|  | phy_info->attached.id, phy_info->attached.phy_id, | 
|  | (unsigned long long) sas_address); | 
|  |  | 
|  | port = mptsas_get_port(phy_info); | 
|  | if (!port) { | 
|  | dfailprintk(ioc, printk(MYIOC_s_ERR_FMT | 
|  | "%s: fw_id=%d exit at line=%d\n", ioc->name, | 
|  | __func__, fw_id, __LINE__)); | 
|  | return; | 
|  | } | 
|  | port_info = phy_info->portinfo; | 
|  | phy_info_parent = port_info->phy_info; | 
|  | for (i = 0; i < port_info->num_phys; i++, phy_info_parent++) { | 
|  | if (!phy_info_parent->phy) | 
|  | continue; | 
|  | if (phy_info_parent->attached.sas_address != | 
|  | sas_address) | 
|  | continue; | 
|  | dev_printk(KERN_DEBUG, &phy_info_parent->phy->dev, | 
|  | MYIOC_s_FMT "delete phy %d, phy-obj (0x%p)\n", | 
|  | ioc->name, phy_info_parent->phy_id, | 
|  | phy_info_parent->phy); | 
|  | sas_port_delete_phy(port, phy_info_parent->phy); | 
|  | } | 
|  |  | 
|  | dev_printk(KERN_DEBUG, &port->dev, MYIOC_s_FMT | 
|  | "delete port %d, sas_addr (0x%llx)\n", ioc->name, | 
|  | port->port_identifier, (unsigned long long)sas_address); | 
|  | sas_port_delete(port); | 
|  | mptsas_set_port(ioc, phy_info, NULL); | 
|  | mptsas_port_delete(ioc, phy_info->port_details); | 
|  | } | 
|  |  | 
|  | struct mptsas_phyinfo * | 
|  | mptsas_refreshing_device_handles(MPT_ADAPTER *ioc, | 
|  | struct mptsas_devinfo *sas_device) | 
|  | { | 
|  | struct mptsas_phyinfo *phy_info; | 
|  | struct mptsas_portinfo *port_info; | 
|  | int i; | 
|  |  | 
|  | phy_info = mptsas_find_phyinfo_by_sas_address(ioc, | 
|  | sas_device->sas_address); | 
|  | if (!phy_info) | 
|  | goto out; | 
|  | port_info = phy_info->portinfo; | 
|  | if (!port_info) | 
|  | goto out; | 
|  | mutex_lock(&ioc->sas_topology_mutex); | 
|  | for (i = 0; i < port_info->num_phys; i++) { | 
|  | if (port_info->phy_info[i].attached.sas_address != | 
|  | sas_device->sas_address) | 
|  | continue; | 
|  | port_info->phy_info[i].attached.channel = sas_device->channel; | 
|  | port_info->phy_info[i].attached.id = sas_device->id; | 
|  | port_info->phy_info[i].attached.sas_address = | 
|  | sas_device->sas_address; | 
|  | port_info->phy_info[i].attached.handle = sas_device->handle; | 
|  | port_info->phy_info[i].attached.handle_parent = | 
|  | sas_device->handle_parent; | 
|  | port_info->phy_info[i].attached.handle_enclosure = | 
|  | sas_device->handle_enclosure; | 
|  | } | 
|  | mutex_unlock(&ioc->sas_topology_mutex); | 
|  | out: | 
|  | return phy_info; | 
|  | } | 
|  |  | 
|  | /** | 
|  | * mptsas_firmware_event_work - work thread for processing fw events | 
|  | * @work: work queue payload containing info describing the event | 
|  | * Context: user | 
|  | * | 
|  | */ | 
|  | static void | 
|  | mptsas_firmware_event_work(struct work_struct *work) | 
|  | { | 
|  | struct fw_event_work *fw_event = | 
|  | container_of(work, struct fw_event_work, work.work); | 
|  | MPT_ADAPTER *ioc = fw_event->ioc; | 
|  |  | 
|  | /* special rescan topology handling */ | 
|  | if (fw_event->event == -1) { | 
|  | if (ioc->in_rescan) { | 
|  | devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT | 
|  | "%s: rescan ignored as it is in progress\n", | 
|  | ioc->name, __func__)); | 
|  | return; | 
|  | } | 
|  | devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: rescan after " | 
|  | "reset\n", ioc->name, __func__)); | 
|  | ioc->in_rescan = 1; | 
|  | mptsas_not_responding_devices(ioc); | 
|  | mptsas_scan_sas_topology(ioc); | 
|  | ioc->in_rescan = 0; | 
|  | mptsas_free_fw_event(ioc, fw_event); | 
|  | mptsas_fw_event_on(ioc); | 
|  | return; | 
|  | } | 
|  |  | 
|  | /* events handling turned off during host reset */ | 
|  | if (ioc->fw_events_off) { | 
|  | mptsas_free_fw_event(ioc, fw_event); | 
|  | return; | 
|  | } | 
|  |  | 
|  | devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: fw_event=(0x%p), " | 
|  | "event = (0x%02x)\n", ioc->name, __func__, fw_event, | 
|  | (fw_event->event & 0xFF))); | 
|  |  | 
|  | switch (fw_event->event) { | 
|  | case MPI_EVENT_SAS_DEVICE_STATUS_CHANGE: | 
|  | mptsas_send_sas_event(fw_event); | 
|  | break; | 
|  | case MPI_EVENT_INTEGRATED_RAID: | 
|  | mptsas_send_raid_event(fw_event); | 
|  | break; | 
|  | case MPI_EVENT_IR2: | 
|  | mptsas_send_ir2_event(fw_event); | 
|  | break; | 
|  | case MPI_EVENT_PERSISTENT_TABLE_FULL: | 
|  | mptbase_sas_persist_operation(ioc, | 
|  | MPI_SAS_OP_CLEAR_NOT_PRESENT); | 
|  | mptsas_free_fw_event(ioc, fw_event); | 
|  | break; | 
|  | case MPI_EVENT_SAS_BROADCAST_PRIMITIVE: | 
|  | mptsas_broadcast_primative_work(fw_event); | 
|  | break; | 
|  | case MPI_EVENT_SAS_EXPANDER_STATUS_CHANGE: | 
|  | mptsas_send_expander_event(fw_event); | 
|  | break; | 
|  | case MPI_EVENT_SAS_PHY_LINK_STATUS: | 
|  | mptsas_send_link_status_event(fw_event); | 
|  | break; | 
|  | case MPI_EVENT_QUEUE_FULL: | 
|  | mptsas_handle_queue_full_event(fw_event); | 
|  | break; | 
|  | } | 
|  | } | 
|  |  | 
|  |  | 
|  |  | 
|  | static int | 
|  | mptsas_slave_configure(struct scsi_device *sdev) | 
|  | { | 
|  | struct Scsi_Host	*host = sdev->host; | 
|  | MPT_SCSI_HOST	*hd = shost_priv(host); | 
|  | MPT_ADAPTER	*ioc = hd->ioc; | 
|  | VirtDevice	*vdevice = sdev->hostdata; | 
|  |  | 
|  | if (vdevice->vtarget->deleted) { | 
|  | sdev_printk(KERN_INFO, sdev, "clearing deleted flag\n"); | 
|  | vdevice->vtarget->deleted = 0; | 
|  | } | 
|  |  | 
|  | /* | 
|  | * RAID volumes placed beyond the last expected port. | 
|  | * Ignore sending sas mode pages in that case.. | 
|  | */ | 
|  | if (sdev->channel == MPTSAS_RAID_CHANNEL) { | 
|  | mptsas_add_device_component_starget_ir(ioc, scsi_target(sdev)); | 
|  | goto out; | 
|  | } | 
|  |  | 
|  | sas_read_port_mode_page(sdev); | 
|  |  | 
|  | mptsas_add_device_component_starget(ioc, scsi_target(sdev)); | 
|  |  | 
|  | out: | 
|  | return mptscsih_slave_configure(sdev); | 
|  | } | 
|  |  | 
|  | static int | 
|  | mptsas_target_alloc(struct scsi_target *starget) | 
|  | { | 
|  | struct Scsi_Host *host = dev_to_shost(&starget->dev); | 
|  | MPT_SCSI_HOST		*hd = shost_priv(host); | 
|  | VirtTarget		*vtarget; | 
|  | u8			id, channel; | 
|  | struct sas_rphy		*rphy; | 
|  | struct mptsas_portinfo	*p; | 
|  | int 			 i; | 
|  | MPT_ADAPTER		*ioc = hd->ioc; | 
|  |  | 
|  | vtarget = kzalloc(sizeof(VirtTarget), GFP_KERNEL); | 
|  | if (!vtarget) | 
|  | return -ENOMEM; | 
|  |  | 
|  | vtarget->starget = starget; | 
|  | vtarget->ioc_id = ioc->id; | 
|  | vtarget->tflags = MPT_TARGET_FLAGS_Q_YES; | 
|  | id = starget->id; | 
|  | channel = 0; | 
|  |  | 
|  | /* | 
|  | * RAID volumes placed beyond the last expected port. | 
|  | */ | 
|  | if (starget->channel == MPTSAS_RAID_CHANNEL) { | 
|  | if (!ioc->raid_data.pIocPg2) { | 
|  | kfree(vtarget); | 
|  | return -ENXIO; | 
|  | } | 
|  | for (i = 0; i < ioc->raid_data.pIocPg2->NumActiveVolumes; i++) { | 
|  | if (id == ioc->raid_data.pIocPg2-> | 
|  | RaidVolume[i].VolumeID) { | 
|  | channel = ioc->raid_data.pIocPg2-> | 
|  | RaidVolume[i].VolumeBus; | 
|  | } | 
|  | } | 
|  | vtarget->raidVolume = 1; | 
|  | goto out; | 
|  | } | 
|  |  | 
|  | rphy = dev_to_rphy(starget->dev.parent); | 
|  | mutex_lock(&ioc->sas_topology_mutex); | 
|  | list_for_each_entry(p, &ioc->sas_topology, list) { | 
|  | for (i = 0; i < p->num_phys; i++) { | 
|  | if (p->phy_info[i].attached.sas_address != | 
|  | rphy->identify.sas_address) | 
|  | continue; | 
|  | id = p->phy_info[i].attached.id; | 
|  | channel = p->phy_info[i].attached.channel; | 
|  | mptsas_set_starget(&p->phy_info[i], starget); | 
|  |  | 
|  | /* | 
|  | * Exposing hidden raid components | 
|  | */ | 
|  | if (mptscsih_is_phys_disk(ioc, channel, id)) { | 
|  | id = mptscsih_raid_id_to_num(ioc, | 
|  | channel, id); | 
|  | vtarget->tflags |= | 
|  | MPT_TARGET_FLAGS_RAID_COMPONENT; | 
|  | p->phy_info[i].attached.phys_disk_num = id; | 
|  | } | 
|  | mutex_unlock(&ioc->sas_topology_mutex); | 
|  | goto out; | 
|  | } | 
|  | } | 
|  | mutex_unlock(&ioc->sas_topology_mutex); | 
|  |  | 
|  | kfree(vtarget); | 
|  | return -ENXIO; | 
|  |  | 
|  | out: | 
|  | vtarget->id = id; | 
|  | vtarget->channel = channel; | 
|  | starget->hostdata = vtarget; | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static void | 
|  | mptsas_target_destroy(struct scsi_target *starget) | 
|  | { | 
|  | struct Scsi_Host *host = dev_to_shost(&starget->dev); | 
|  | MPT_SCSI_HOST		*hd = shost_priv(host); | 
|  | struct sas_rphy		*rphy; | 
|  | struct mptsas_portinfo	*p; | 
|  | int 			 i; | 
|  | MPT_ADAPTER	*ioc = hd->ioc; | 
|  | VirtTarget	*vtarget; | 
|  |  | 
|  | if (!starget->hostdata) | 
|  | return; | 
|  |  | 
|  | vtarget = starget->hostdata; | 
|  |  | 
|  | mptsas_del_device_component_by_os(ioc, starget->channel, | 
|  | starget->id); | 
|  |  | 
|  |  | 
|  | if (starget->channel == MPTSAS_RAID_CHANNEL) | 
|  | goto out; | 
|  |  | 
|  | rphy = dev_to_rphy(starget->dev.parent); | 
|  | list_for_each_entry(p, &ioc->sas_topology, list) { | 
|  | for (i = 0; i < p->num_phys; i++) { | 
|  | if (p->phy_info[i].attached.sas_address != | 
|  | rphy->identify.sas_address) | 
|  | continue; | 
|  |  | 
|  | starget_printk(KERN_INFO, starget, MYIOC_s_FMT | 
|  | "delete device: fw_channel %d, fw_id %d, phy %d, " | 
|  | "sas_addr 0x%llx\n", ioc->name, | 
|  | p->phy_info[i].attached.channel, | 
|  | p->phy_info[i].attached.id, | 
|  | p->phy_info[i].attached.phy_id, (unsigned long long) | 
|  | p->phy_info[i].attached.sas_address); | 
|  |  | 
|  | mptsas_set_starget(&p->phy_info[i], NULL); | 
|  | } | 
|  | } | 
|  |  | 
|  | out: | 
|  | vtarget->starget = NULL; | 
|  | kfree(starget->hostdata); | 
|  | starget->hostdata = NULL; | 
|  | } | 
|  |  | 
|  |  | 
|  | static int | 
|  | mptsas_slave_alloc(struct scsi_device *sdev) | 
|  | { | 
|  | struct Scsi_Host	*host = sdev->host; | 
|  | MPT_SCSI_HOST		*hd = shost_priv(host); | 
|  | struct sas_rphy		*rphy; | 
|  | struct mptsas_portinfo	*p; | 
|  | VirtDevice		*vdevice; | 
|  | struct scsi_target 	*starget; | 
|  | int 			i; | 
|  | MPT_ADAPTER *ioc = hd->ioc; | 
|  |  | 
|  | vdevice = kzalloc(sizeof(VirtDevice), GFP_KERNEL); | 
|  | if (!vdevice) { | 
|  | printk(MYIOC_s_ERR_FMT "slave_alloc kzalloc(%zd) FAILED!\n", | 
|  | ioc->name, sizeof(VirtDevice)); | 
|  | return -ENOMEM; | 
|  | } | 
|  | starget = scsi_target(sdev); | 
|  | vdevice->vtarget = starget->hostdata; | 
|  |  | 
|  | if (sdev->channel == MPTSAS_RAID_CHANNEL) | 
|  | goto out; | 
|  |  | 
|  | rphy = dev_to_rphy(sdev->sdev_target->dev.parent); | 
|  | mutex_lock(&ioc->sas_topology_mutex); | 
|  | list_for_each_entry(p, &ioc->sas_topology, list) { | 
|  | for (i = 0; i < p->num_phys; i++) { | 
|  | if (p->phy_info[i].attached.sas_address != | 
|  | rphy->identify.sas_address) | 
|  | continue; | 
|  | vdevice->lun = sdev->lun; | 
|  | /* | 
|  | * Exposing hidden raid components | 
|  | */ | 
|  | if (mptscsih_is_phys_disk(ioc, | 
|  | p->phy_info[i].attached.channel, | 
|  | p->phy_info[i].attached.id)) | 
|  | sdev->no_uld_attach = 1; | 
|  | mutex_unlock(&ioc->sas_topology_mutex); | 
|  | goto out; | 
|  | } | 
|  | } | 
|  | mutex_unlock(&ioc->sas_topology_mutex); | 
|  |  | 
|  | kfree(vdevice); | 
|  | return -ENXIO; | 
|  |  | 
|  | out: | 
|  | vdevice->vtarget->num_luns++; | 
|  | sdev->hostdata = vdevice; | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int | 
|  | mptsas_qcmd_lck(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)) | 
|  | { | 
|  | MPT_SCSI_HOST	*hd; | 
|  | MPT_ADAPTER	*ioc; | 
|  | VirtDevice	*vdevice = SCpnt->device->hostdata; | 
|  |  | 
|  | if (!vdevice || !vdevice->vtarget || vdevice->vtarget->deleted) { | 
|  | SCpnt->result = DID_NO_CONNECT << 16; | 
|  | done(SCpnt); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | hd = shost_priv(SCpnt->device->host); | 
|  | ioc = hd->ioc; | 
|  |  | 
|  | if (ioc->sas_discovery_quiesce_io) | 
|  | return SCSI_MLQUEUE_HOST_BUSY; | 
|  |  | 
|  | if (ioc->debug_level & MPT_DEBUG_SCSI) | 
|  | scsi_print_command(SCpnt); | 
|  |  | 
|  | return mptscsih_qcmd(SCpnt,done); | 
|  | } | 
|  |  | 
|  | static DEF_SCSI_QCMD(mptsas_qcmd) | 
|  |  | 
|  | /** | 
|  | *	mptsas_mptsas_eh_timed_out - resets the scsi_cmnd timeout | 
|  | *		if the device under question is currently in the | 
|  | *		device removal delay. | 
|  | *	@sc: scsi command that the midlayer is about to time out | 
|  | * | 
|  | **/ | 
|  | static enum blk_eh_timer_return mptsas_eh_timed_out(struct scsi_cmnd *sc) | 
|  | { | 
|  | MPT_SCSI_HOST *hd; | 
|  | MPT_ADAPTER   *ioc; | 
|  | VirtDevice    *vdevice; | 
|  | enum blk_eh_timer_return rc = BLK_EH_NOT_HANDLED; | 
|  |  | 
|  | hd = shost_priv(sc->device->host); | 
|  | if (hd == NULL) { | 
|  | printk(KERN_ERR MYNAM ": %s: Can't locate host! (sc=%p)\n", | 
|  | __func__, sc); | 
|  | goto done; | 
|  | } | 
|  |  | 
|  | ioc = hd->ioc; | 
|  | if (ioc->bus_type != SAS) { | 
|  | printk(KERN_ERR MYNAM ": %s: Wrong bus type (sc=%p)\n", | 
|  | __func__, sc); | 
|  | goto done; | 
|  | } | 
|  |  | 
|  | /* In case if IOC is in reset from internal context. | 
|  | *  Do not execute EEH for the same IOC. SML should to reset timer. | 
|  | */ | 
|  | if (ioc->ioc_reset_in_progress) { | 
|  | dtmprintk(ioc, printk(MYIOC_s_WARN_FMT ": %s: ioc is in reset," | 
|  | "SML need to reset the timer (sc=%p)\n", | 
|  | ioc->name, __func__, sc)); | 
|  | rc = BLK_EH_RESET_TIMER; | 
|  | } | 
|  | vdevice = sc->device->hostdata; | 
|  | if (vdevice && vdevice->vtarget && (vdevice->vtarget->inDMD | 
|  | || vdevice->vtarget->deleted)) { | 
|  | dtmprintk(ioc, printk(MYIOC_s_WARN_FMT ": %s: target removed " | 
|  | "or in device removal delay (sc=%p)\n", | 
|  | ioc->name, __func__, sc)); | 
|  | rc = BLK_EH_RESET_TIMER; | 
|  | goto done; | 
|  | } | 
|  |  | 
|  | done: | 
|  | return rc; | 
|  | } | 
|  |  | 
|  |  | 
|  | static struct scsi_host_template mptsas_driver_template = { | 
|  | .module				= THIS_MODULE, | 
|  | .proc_name			= "mptsas", | 
|  | .proc_info			= mptscsih_proc_info, | 
|  | .name				= "MPT SAS Host", | 
|  | .info				= mptscsih_info, | 
|  | .queuecommand			= mptsas_qcmd, | 
|  | .target_alloc			= mptsas_target_alloc, | 
|  | .slave_alloc			= mptsas_slave_alloc, | 
|  | .slave_configure		= mptsas_slave_configure, | 
|  | .target_destroy			= mptsas_target_destroy, | 
|  | .slave_destroy			= mptscsih_slave_destroy, | 
|  | .change_queue_depth 		= mptscsih_change_queue_depth, | 
|  | .eh_abort_handler		= mptscsih_abort, | 
|  | .eh_device_reset_handler	= mptscsih_dev_reset, | 
|  | .eh_host_reset_handler		= mptscsih_host_reset, | 
|  | .bios_param			= mptscsih_bios_param, | 
|  | .can_queue			= MPT_SAS_CAN_QUEUE, | 
|  | .this_id			= -1, | 
|  | .sg_tablesize			= MPT_SCSI_SG_DEPTH, | 
|  | .max_sectors			= 8192, | 
|  | .cmd_per_lun			= 7, | 
|  | .use_clustering			= ENABLE_CLUSTERING, | 
|  | .shost_attrs			= mptscsih_host_attrs, | 
|  | }; | 
|  |  | 
|  | static int mptsas_get_linkerrors(struct sas_phy *phy) | 
|  | { | 
|  | MPT_ADAPTER *ioc = phy_to_ioc(phy); | 
|  | ConfigExtendedPageHeader_t hdr; | 
|  | CONFIGPARMS cfg; | 
|  | SasPhyPage1_t *buffer; | 
|  | dma_addr_t dma_handle; | 
|  | int error; | 
|  |  | 
|  | /* FIXME: only have link errors on local phys */ | 
|  | if (!scsi_is_sas_phy_local(phy)) | 
|  | return -EINVAL; | 
|  |  | 
|  | hdr.PageVersion = MPI_SASPHY1_PAGEVERSION; | 
|  | hdr.ExtPageLength = 0; | 
|  | hdr.PageNumber = 1 /* page number 1*/; | 
|  | hdr.Reserved1 = 0; | 
|  | hdr.Reserved2 = 0; | 
|  | hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED; | 
|  | hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_PHY; | 
|  |  | 
|  | cfg.cfghdr.ehdr = &hdr; | 
|  | cfg.physAddr = -1; | 
|  | cfg.pageAddr = phy->identify.phy_identifier; | 
|  | cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; | 
|  | cfg.dir = 0;    /* read */ | 
|  | cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT; | 
|  |  | 
|  | error = mpt_config(ioc, &cfg); | 
|  | if (error) | 
|  | return error; | 
|  | if (!hdr.ExtPageLength) | 
|  | return -ENXIO; | 
|  |  | 
|  | buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4, | 
|  | &dma_handle); | 
|  | if (!buffer) | 
|  | return -ENOMEM; | 
|  |  | 
|  | cfg.physAddr = dma_handle; | 
|  | cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; | 
|  |  | 
|  | error = mpt_config(ioc, &cfg); | 
|  | if (error) | 
|  | goto out_free_consistent; | 
|  |  | 
|  | mptsas_print_phy_pg1(ioc, buffer); | 
|  |  | 
|  | phy->invalid_dword_count = le32_to_cpu(buffer->InvalidDwordCount); | 
|  | phy->running_disparity_error_count = | 
|  | le32_to_cpu(buffer->RunningDisparityErrorCount); | 
|  | phy->loss_of_dword_sync_count = | 
|  | le32_to_cpu(buffer->LossDwordSynchCount); | 
|  | phy->phy_reset_problem_count = | 
|  | le32_to_cpu(buffer->PhyResetProblemCount); | 
|  |  | 
|  | out_free_consistent: | 
|  | pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4, | 
|  | buffer, dma_handle); | 
|  | return error; | 
|  | } | 
|  |  | 
|  | static int mptsas_mgmt_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req, | 
|  | MPT_FRAME_HDR *reply) | 
|  | { | 
|  | ioc->sas_mgmt.status |= MPT_MGMT_STATUS_COMMAND_GOOD; | 
|  | if (reply != NULL) { | 
|  | ioc->sas_mgmt.status |= MPT_MGMT_STATUS_RF_VALID; | 
|  | memcpy(ioc->sas_mgmt.reply, reply, | 
|  | min(ioc->reply_sz, 4 * reply->u.reply.MsgLength)); | 
|  | } | 
|  |  | 
|  | if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_PENDING) { | 
|  | ioc->sas_mgmt.status &= ~MPT_MGMT_STATUS_PENDING; | 
|  | complete(&ioc->sas_mgmt.done); | 
|  | return 1; | 
|  | } | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int mptsas_phy_reset(struct sas_phy *phy, int hard_reset) | 
|  | { | 
|  | MPT_ADAPTER *ioc = phy_to_ioc(phy); | 
|  | SasIoUnitControlRequest_t *req; | 
|  | SasIoUnitControlReply_t *reply; | 
|  | MPT_FRAME_HDR *mf; | 
|  | MPIHeader_t *hdr; | 
|  | unsigned long timeleft; | 
|  | int error = -ERESTARTSYS; | 
|  |  | 
|  | /* FIXME: fusion doesn't allow non-local phy reset */ | 
|  | if (!scsi_is_sas_phy_local(phy)) | 
|  | return -EINVAL; | 
|  |  | 
|  | /* not implemented for expanders */ | 
|  | if (phy->identify.target_port_protocols & SAS_PROTOCOL_SMP) | 
|  | return -ENXIO; | 
|  |  | 
|  | if (mutex_lock_interruptible(&ioc->sas_mgmt.mutex)) | 
|  | goto out; | 
|  |  | 
|  | mf = mpt_get_msg_frame(mptsasMgmtCtx, ioc); | 
|  | if (!mf) { | 
|  | error = -ENOMEM; | 
|  | goto out_unlock; | 
|  | } | 
|  |  | 
|  | hdr = (MPIHeader_t *) mf; | 
|  | req = (SasIoUnitControlRequest_t *)mf; | 
|  | memset(req, 0, sizeof(SasIoUnitControlRequest_t)); | 
|  | req->Function = MPI_FUNCTION_SAS_IO_UNIT_CONTROL; | 
|  | req->MsgContext = hdr->MsgContext; | 
|  | req->Operation = hard_reset ? | 
|  | MPI_SAS_OP_PHY_HARD_RESET : MPI_SAS_OP_PHY_LINK_RESET; | 
|  | req->PhyNum = phy->identify.phy_identifier; | 
|  |  | 
|  | INITIALIZE_MGMT_STATUS(ioc->sas_mgmt.status) | 
|  | mpt_put_msg_frame(mptsasMgmtCtx, ioc, mf); | 
|  |  | 
|  | timeleft = wait_for_completion_timeout(&ioc->sas_mgmt.done, | 
|  | 10 * HZ); | 
|  | if (!(ioc->sas_mgmt.status & MPT_MGMT_STATUS_COMMAND_GOOD)) { | 
|  | error = -ETIME; | 
|  | mpt_free_msg_frame(ioc, mf); | 
|  | if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_DID_IOCRESET) | 
|  | goto out_unlock; | 
|  | if (!timeleft) | 
|  | mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP); | 
|  | goto out_unlock; | 
|  | } | 
|  |  | 
|  | /* a reply frame is expected */ | 
|  | if ((ioc->sas_mgmt.status & | 
|  | MPT_MGMT_STATUS_RF_VALID) == 0) { | 
|  | error = -ENXIO; | 
|  | goto out_unlock; | 
|  | } | 
|  |  | 
|  | /* process the completed Reply Message Frame */ | 
|  | reply = (SasIoUnitControlReply_t *)ioc->sas_mgmt.reply; | 
|  | if (reply->IOCStatus != MPI_IOCSTATUS_SUCCESS) { | 
|  | printk(MYIOC_s_INFO_FMT "%s: IOCStatus=0x%X IOCLogInfo=0x%X\n", | 
|  | ioc->name, __func__, reply->IOCStatus, reply->IOCLogInfo); | 
|  | error = -ENXIO; | 
|  | goto out_unlock; | 
|  | } | 
|  |  | 
|  | error = 0; | 
|  |  | 
|  | out_unlock: | 
|  | CLEAR_MGMT_STATUS(ioc->sas_mgmt.status) | 
|  | mutex_unlock(&ioc->sas_mgmt.mutex); | 
|  | out: | 
|  | return error; | 
|  | } | 
|  |  | 
|  | static int | 
|  | mptsas_get_enclosure_identifier(struct sas_rphy *rphy, u64 *identifier) | 
|  | { | 
|  | MPT_ADAPTER *ioc = rphy_to_ioc(rphy); | 
|  | int i, error; | 
|  | struct mptsas_portinfo *p; | 
|  | struct mptsas_enclosure enclosure_info; | 
|  | u64 enclosure_handle; | 
|  |  | 
|  | mutex_lock(&ioc->sas_topology_mutex); | 
|  | list_for_each_entry(p, &ioc->sas_topology, list) { | 
|  | for (i = 0; i < p->num_phys; i++) { | 
|  | if (p->phy_info[i].attached.sas_address == | 
|  | rphy->identify.sas_address) { | 
|  | enclosure_handle = p->phy_info[i]. | 
|  | attached.handle_enclosure; | 
|  | goto found_info; | 
|  | } | 
|  | } | 
|  | } | 
|  | mutex_unlock(&ioc->sas_topology_mutex); | 
|  | return -ENXIO; | 
|  |  | 
|  | found_info: | 
|  | mutex_unlock(&ioc->sas_topology_mutex); | 
|  | memset(&enclosure_info, 0, sizeof(struct mptsas_enclosure)); | 
|  | error = mptsas_sas_enclosure_pg0(ioc, &enclosure_info, | 
|  | (MPI_SAS_ENCLOS_PGAD_FORM_HANDLE << | 
|  | MPI_SAS_ENCLOS_PGAD_FORM_SHIFT), enclosure_handle); | 
|  | if (!error) | 
|  | *identifier = enclosure_info.enclosure_logical_id; | 
|  | return error; | 
|  | } | 
|  |  | 
|  | static int | 
|  | mptsas_get_bay_identifier(struct sas_rphy *rphy) | 
|  | { | 
|  | MPT_ADAPTER *ioc = rphy_to_ioc(rphy); | 
|  | struct mptsas_portinfo *p; | 
|  | int i, rc; | 
|  |  | 
|  | mutex_lock(&ioc->sas_topology_mutex); | 
|  | list_for_each_entry(p, &ioc->sas_topology, list) { | 
|  | for (i = 0; i < p->num_phys; i++) { | 
|  | if (p->phy_info[i].attached.sas_address == | 
|  | rphy->identify.sas_address) { | 
|  | rc = p->phy_info[i].attached.slot; | 
|  | goto out; | 
|  | } | 
|  | } | 
|  | } | 
|  | rc = -ENXIO; | 
|  | out: | 
|  | mutex_unlock(&ioc->sas_topology_mutex); | 
|  | return rc; | 
|  | } | 
|  |  | 
|  | static int mptsas_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy, | 
|  | struct request *req) | 
|  | { | 
|  | MPT_ADAPTER *ioc = ((MPT_SCSI_HOST *) shost->hostdata)->ioc; | 
|  | MPT_FRAME_HDR *mf; | 
|  | SmpPassthroughRequest_t *smpreq; | 
|  | struct request *rsp = req->next_rq; | 
|  | int ret; | 
|  | int flagsLength; | 
|  | unsigned long timeleft; | 
|  | char *psge; | 
|  | dma_addr_t dma_addr_in = 0; | 
|  | dma_addr_t dma_addr_out = 0; | 
|  | u64 sas_address = 0; | 
|  |  | 
|  | if (!rsp) { | 
|  | printk(MYIOC_s_ERR_FMT "%s: the smp response space is missing\n", | 
|  | ioc->name, __func__); | 
|  | return -EINVAL; | 
|  | } | 
|  |  | 
|  | /* do we need to support multiple segments? */ | 
|  | if (req->bio->bi_vcnt > 1 || rsp->bio->bi_vcnt > 1) { | 
|  | printk(MYIOC_s_ERR_FMT "%s: multiple segments req %u %u, rsp %u %u\n", | 
|  | ioc->name, __func__, req->bio->bi_vcnt, blk_rq_bytes(req), | 
|  | rsp->bio->bi_vcnt, blk_rq_bytes(rsp)); | 
|  | return -EINVAL; | 
|  | } | 
|  |  | 
|  | ret = mutex_lock_interruptible(&ioc->sas_mgmt.mutex); | 
|  | if (ret) | 
|  | goto out; | 
|  |  | 
|  | mf = mpt_get_msg_frame(mptsasMgmtCtx, ioc); | 
|  | if (!mf) { | 
|  | ret = -ENOMEM; | 
|  | goto out_unlock; | 
|  | } | 
|  |  | 
|  | smpreq = (SmpPassthroughRequest_t *)mf; | 
|  | memset(smpreq, 0, sizeof(*smpreq)); | 
|  |  | 
|  | smpreq->RequestDataLength = cpu_to_le16(blk_rq_bytes(req) - 4); | 
|  | smpreq->Function = MPI_FUNCTION_SMP_PASSTHROUGH; | 
|  |  | 
|  | if (rphy) | 
|  | sas_address = rphy->identify.sas_address; | 
|  | else { | 
|  | struct mptsas_portinfo *port_info; | 
|  |  | 
|  | mutex_lock(&ioc->sas_topology_mutex); | 
|  | port_info = ioc->hba_port_info; | 
|  | if (port_info && port_info->phy_info) | 
|  | sas_address = | 
|  | port_info->phy_info[0].phy->identify.sas_address; | 
|  | mutex_unlock(&ioc->sas_topology_mutex); | 
|  | } | 
|  |  | 
|  | *((u64 *)&smpreq->SASAddress) = cpu_to_le64(sas_address); | 
|  |  | 
|  | psge = (char *) | 
|  | (((int *) mf) + (offsetof(SmpPassthroughRequest_t, SGL) / 4)); | 
|  |  | 
|  | /* request */ | 
|  | flagsLength = (MPI_SGE_FLAGS_SIMPLE_ELEMENT | | 
|  | MPI_SGE_FLAGS_END_OF_BUFFER | | 
|  | MPI_SGE_FLAGS_DIRECTION) | 
|  | << MPI_SGE_FLAGS_SHIFT; | 
|  | flagsLength |= (blk_rq_bytes(req) - 4); | 
|  |  | 
|  | dma_addr_out = pci_map_single(ioc->pcidev, bio_data(req->bio), | 
|  | blk_rq_bytes(req), PCI_DMA_BIDIRECTIONAL); | 
|  | if (!dma_addr_out) | 
|  | goto put_mf; | 
|  | ioc->add_sge(psge, flagsLength, dma_addr_out); | 
|  | psge += ioc->SGE_size; | 
|  |  | 
|  | /* response */ | 
|  | flagsLength = MPI_SGE_FLAGS_SIMPLE_ELEMENT | | 
|  | MPI_SGE_FLAGS_SYSTEM_ADDRESS | | 
|  | MPI_SGE_FLAGS_IOC_TO_HOST | | 
|  | MPI_SGE_FLAGS_END_OF_BUFFER; | 
|  |  | 
|  | flagsLength = flagsLength << MPI_SGE_FLAGS_SHIFT; | 
|  | flagsLength |= blk_rq_bytes(rsp) + 4; | 
|  | dma_addr_in =  pci_map_single(ioc->pcidev, bio_data(rsp->bio), | 
|  | blk_rq_bytes(rsp), PCI_DMA_BIDIRECTIONAL); | 
|  | if (!dma_addr_in) | 
|  | goto unmap; | 
|  | ioc->add_sge(psge, flagsLength, dma_addr_in); | 
|  |  | 
|  | INITIALIZE_MGMT_STATUS(ioc->sas_mgmt.status) | 
|  | mpt_put_msg_frame(mptsasMgmtCtx, ioc, mf); | 
|  |  | 
|  | timeleft = wait_for_completion_timeout(&ioc->sas_mgmt.done, 10 * HZ); | 
|  | if (!(ioc->sas_mgmt.status & MPT_MGMT_STATUS_COMMAND_GOOD)) { | 
|  | ret = -ETIME; | 
|  | mpt_free_msg_frame(ioc, mf); | 
|  | mf = NULL; | 
|  | if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_DID_IOCRESET) | 
|  | goto unmap; | 
|  | if (!timeleft) | 
|  | mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP); | 
|  | goto unmap; | 
|  | } | 
|  | mf = NULL; | 
|  |  | 
|  | if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_RF_VALID) { | 
|  | SmpPassthroughReply_t *smprep; | 
|  |  | 
|  | smprep = (SmpPassthroughReply_t *)ioc->sas_mgmt.reply; | 
|  | memcpy(req->sense, smprep, sizeof(*smprep)); | 
|  | req->sense_len = sizeof(*smprep); | 
|  | req->resid_len = 0; | 
|  | rsp->resid_len -= smprep->ResponseDataLength; | 
|  | } else { | 
|  | printk(MYIOC_s_ERR_FMT | 
|  | "%s: smp passthru reply failed to be returned\n", | 
|  | ioc->name, __func__); | 
|  | ret = -ENXIO; | 
|  | } | 
|  | unmap: | 
|  | if (dma_addr_out) | 
|  | pci_unmap_single(ioc->pcidev, dma_addr_out, blk_rq_bytes(req), | 
|  | PCI_DMA_BIDIRECTIONAL); | 
|  | if (dma_addr_in) | 
|  | pci_unmap_single(ioc->pcidev, dma_addr_in, blk_rq_bytes(rsp), | 
|  | PCI_DMA_BIDIRECTIONAL); | 
|  | put_mf: | 
|  | if (mf) | 
|  | mpt_free_msg_frame(ioc, mf); | 
|  | out_unlock: | 
|  | CLEAR_MGMT_STATUS(ioc->sas_mgmt.status) | 
|  | mutex_unlock(&ioc->sas_mgmt.mutex); | 
|  | out: | 
|  | return ret; | 
|  | } | 
|  |  | 
|  | static struct sas_function_template mptsas_transport_functions = { | 
|  | .get_linkerrors		= mptsas_get_linkerrors, | 
|  | .get_enclosure_identifier = mptsas_get_enclosure_identifier, | 
|  | .get_bay_identifier	= mptsas_get_bay_identifier, | 
|  | .phy_reset		= mptsas_phy_reset, | 
|  | .smp_handler		= mptsas_smp_handler, | 
|  | }; | 
|  |  | 
|  | static struct scsi_transport_template *mptsas_transport_template; | 
|  |  | 
|  | static int | 
|  | mptsas_sas_io_unit_pg0(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info) | 
|  | { | 
|  | ConfigExtendedPageHeader_t hdr; | 
|  | CONFIGPARMS cfg; | 
|  | SasIOUnitPage0_t *buffer; | 
|  | dma_addr_t dma_handle; | 
|  | int error, i; | 
|  |  | 
|  | hdr.PageVersion = MPI_SASIOUNITPAGE0_PAGEVERSION; | 
|  | hdr.ExtPageLength = 0; | 
|  | hdr.PageNumber = 0; | 
|  | hdr.Reserved1 = 0; | 
|  | hdr.Reserved2 = 0; | 
|  | hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED; | 
|  | hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_IO_UNIT; | 
|  |  | 
|  | cfg.cfghdr.ehdr = &hdr; | 
|  | cfg.physAddr = -1; | 
|  | cfg.pageAddr = 0; | 
|  | cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; | 
|  | cfg.dir = 0;	/* read */ | 
|  | cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT; | 
|  |  | 
|  | error = mpt_config(ioc, &cfg); | 
|  | if (error) | 
|  | goto out; | 
|  | if (!hdr.ExtPageLength) { | 
|  | error = -ENXIO; | 
|  | goto out; | 
|  | } | 
|  |  | 
|  | buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4, | 
|  | &dma_handle); | 
|  | if (!buffer) { | 
|  | error = -ENOMEM; | 
|  | goto out; | 
|  | } | 
|  |  | 
|  | cfg.physAddr = dma_handle; | 
|  | cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; | 
|  |  | 
|  | error = mpt_config(ioc, &cfg); | 
|  | if (error) | 
|  | goto out_free_consistent; | 
|  |  | 
|  | port_info->num_phys = buffer->NumPhys; | 
|  | port_info->phy_info = kcalloc(port_info->num_phys, | 
|  | sizeof(struct mptsas_phyinfo), GFP_KERNEL); | 
|  | if (!port_info->phy_info) { | 
|  | error = -ENOMEM; | 
|  | goto out_free_consistent; | 
|  | } | 
|  |  | 
|  | ioc->nvdata_version_persistent = | 
|  | le16_to_cpu(buffer->NvdataVersionPersistent); | 
|  | ioc->nvdata_version_default = | 
|  | le16_to_cpu(buffer->NvdataVersionDefault); | 
|  |  | 
|  | for (i = 0; i < port_info->num_phys; i++) { | 
|  | mptsas_print_phy_data(ioc, &buffer->PhyData[i]); | 
|  | port_info->phy_info[i].phy_id = i; | 
|  | port_info->phy_info[i].port_id = | 
|  | buffer->PhyData[i].Port; | 
|  | port_info->phy_info[i].negotiated_link_rate = | 
|  | buffer->PhyData[i].NegotiatedLinkRate; | 
|  | port_info->phy_info[i].portinfo = port_info; | 
|  | port_info->phy_info[i].handle = | 
|  | le16_to_cpu(buffer->PhyData[i].ControllerDevHandle); | 
|  | } | 
|  |  | 
|  | out_free_consistent: | 
|  | pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4, | 
|  | buffer, dma_handle); | 
|  | out: | 
|  | return error; | 
|  | } | 
|  |  | 
|  | static int | 
|  | mptsas_sas_io_unit_pg1(MPT_ADAPTER *ioc) | 
|  | { | 
|  | ConfigExtendedPageHeader_t hdr; | 
|  | CONFIGPARMS cfg; | 
|  | SasIOUnitPage1_t *buffer; | 
|  | dma_addr_t dma_handle; | 
|  | int error; | 
|  | u8 device_missing_delay; | 
|  |  | 
|  | memset(&hdr, 0, sizeof(ConfigExtendedPageHeader_t)); | 
|  | memset(&cfg, 0, sizeof(CONFIGPARMS)); | 
|  |  | 
|  | cfg.cfghdr.ehdr = &hdr; | 
|  | cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; | 
|  | cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT; | 
|  | cfg.cfghdr.ehdr->PageType = MPI_CONFIG_PAGETYPE_EXTENDED; | 
|  | cfg.cfghdr.ehdr->ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_IO_UNIT; | 
|  | cfg.cfghdr.ehdr->PageVersion = MPI_SASIOUNITPAGE1_PAGEVERSION; | 
|  | cfg.cfghdr.ehdr->PageNumber = 1; | 
|  |  | 
|  | error = mpt_config(ioc, &cfg); | 
|  | if (error) | 
|  | goto out; | 
|  | if (!hdr.ExtPageLength) { | 
|  | error = -ENXIO; | 
|  | goto out; | 
|  | } | 
|  |  | 
|  | buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4, | 
|  | &dma_handle); | 
|  | if (!buffer) { | 
|  | error = -ENOMEM; | 
|  | goto out; | 
|  | } | 
|  |  | 
|  | cfg.physAddr = dma_handle; | 
|  | cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; | 
|  |  | 
|  | error = mpt_config(ioc, &cfg); | 
|  | if (error) | 
|  | goto out_free_consistent; | 
|  |  | 
|  | ioc->io_missing_delay  = | 
|  | le16_to_cpu(buffer->IODeviceMissingDelay); | 
|  | device_missing_delay = buffer->ReportDeviceMissingDelay; | 
|  | ioc->device_missing_delay = (device_missing_delay & MPI_SAS_IOUNIT1_REPORT_MISSING_UNIT_16) ? | 
|  | (device_missing_delay & MPI_SAS_IOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16 : | 
|  | device_missing_delay & MPI_SAS_IOUNIT1_REPORT_MISSING_TIMEOUT_MASK; | 
|  |  | 
|  | out_free_consistent: | 
|  | pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4, | 
|  | buffer, dma_handle); | 
|  | out: | 
|  | return error; | 
|  | } | 
|  |  | 
|  | static int | 
|  | mptsas_sas_phy_pg0(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info, | 
|  | u32 form, u32 form_specific) | 
|  | { | 
|  | ConfigExtendedPageHeader_t hdr; | 
|  | CONFIGPARMS cfg; | 
|  | SasPhyPage0_t *buffer; | 
|  | dma_addr_t dma_handle; | 
|  | int error; | 
|  |  | 
|  | hdr.PageVersion = MPI_SASPHY0_PAGEVERSION; | 
|  | hdr.ExtPageLength = 0; | 
|  | hdr.PageNumber = 0; | 
|  | hdr.Reserved1 = 0; | 
|  | hdr.Reserved2 = 0; | 
|  | hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED; | 
|  | hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_PHY; | 
|  |  | 
|  | cfg.cfghdr.ehdr = &hdr; | 
|  | cfg.dir = 0;	/* read */ | 
|  | cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT; | 
|  |  | 
|  | /* Get Phy Pg 0 for each Phy. */ | 
|  | cfg.physAddr = -1; | 
|  | cfg.pageAddr = form + form_specific; | 
|  | cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; | 
|  |  | 
|  | error = mpt_config(ioc, &cfg); | 
|  | if (error) | 
|  | goto out; | 
|  |  | 
|  | if (!hdr.ExtPageLength) { | 
|  | error = -ENXIO; | 
|  | goto out; | 
|  | } | 
|  |  | 
|  | buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4, | 
|  | &dma_handle); | 
|  | if (!buffer) { | 
|  | error = -ENOMEM; | 
|  | goto out; | 
|  | } | 
|  |  | 
|  | cfg.physAddr = dma_handle; | 
|  | cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; | 
|  |  | 
|  | error = mpt_config(ioc, &cfg); | 
|  | if (error) | 
|  | goto out_free_consistent; | 
|  |  | 
|  | mptsas_print_phy_pg0(ioc, buffer); | 
|  |  | 
|  | phy_info->hw_link_rate = buffer->HwLinkRate; | 
|  | phy_info->programmed_link_rate = buffer->ProgrammedLinkRate; | 
|  | phy_info->identify.handle = le16_to_cpu(buffer->OwnerDevHandle); | 
|  | phy_info->attached.handle = le16_to_cpu(buffer->AttachedDevHandle); | 
|  |  | 
|  | out_free_consistent: | 
|  | pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4, | 
|  | buffer, dma_handle); | 
|  | out: | 
|  | return error; | 
|  | } | 
|  |  | 
|  | static int | 
|  | mptsas_sas_device_pg0(MPT_ADAPTER *ioc, struct mptsas_devinfo *device_info, | 
|  | u32 form, u32 form_specific) | 
|  | { | 
|  | ConfigExtendedPageHeader_t hdr; | 
|  | CONFIGPARMS cfg; | 
|  | SasDevicePage0_t *buffer; | 
|  | dma_addr_t dma_handle; | 
|  | __le64 sas_address; | 
|  | int error=0; | 
|  |  | 
|  | hdr.PageVersion = MPI_SASDEVICE0_PAGEVERSION; | 
|  | hdr.ExtPageLength = 0; | 
|  | hdr.PageNumber = 0; | 
|  | hdr.Reserved1 = 0; | 
|  | hdr.Reserved2 = 0; | 
|  | hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED; | 
|  | hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_DEVICE; | 
|  |  | 
|  | cfg.cfghdr.ehdr = &hdr; | 
|  | cfg.pageAddr = form + form_specific; | 
|  | cfg.physAddr = -1; | 
|  | cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; | 
|  | cfg.dir = 0;	/* read */ | 
|  | cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT; | 
|  |  | 
|  | memset(device_info, 0, sizeof(struct mptsas_devinfo)); | 
|  | error = mpt_config(ioc, &cfg); | 
|  | if (error) | 
|  | goto out; | 
|  | if (!hdr.ExtPageLength) { | 
|  | error = -ENXIO; | 
|  | goto out; | 
|  | } | 
|  |  | 
|  | buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4, | 
|  | &dma_handle); | 
|  | if (!buffer) { | 
|  | error = -ENOMEM; | 
|  | goto out; | 
|  | } | 
|  |  | 
|  | cfg.physAddr = dma_handle; | 
|  | cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; | 
|  |  | 
|  | error = mpt_config(ioc, &cfg); | 
|  |  | 
|  | if (error == MPI_IOCSTATUS_CONFIG_INVALID_PAGE) { | 
|  | error = -ENODEV; | 
|  | goto out_free_consistent; | 
|  | } | 
|  |  | 
|  | if (error) | 
|  | goto out_free_consistent; | 
|  |  | 
|  | mptsas_print_device_pg0(ioc, buffer); | 
|  |  | 
|  | memset(device_info, 0, sizeof(struct mptsas_devinfo)); | 
|  | device_info->handle = le16_to_cpu(buffer->DevHandle); | 
|  | device_info->handle_parent = le16_to_cpu(buffer->ParentDevHandle); | 
|  | device_info->handle_enclosure = | 
|  | le16_to_cpu(buffer->EnclosureHandle); | 
|  | device_info->slot = le16_to_cpu(buffer->Slot); | 
|  | device_info->phy_id = buffer->PhyNum; | 
|  | device_info->port_id = buffer->PhysicalPort; | 
|  | device_info->id = buffer->TargetID; | 
|  | device_info->phys_disk_num = ~0; | 
|  | device_info->channel = buffer->Bus; | 
|  | memcpy(&sas_address, &buffer->SASAddress, sizeof(__le64)); | 
|  | device_info->sas_address = le64_to_cpu(sas_address); | 
|  | device_info->device_info = | 
|  | le32_to_cpu(buffer->DeviceInfo); | 
|  | device_info->flags = le16_to_cpu(buffer->Flags); | 
|  |  | 
|  | out_free_consistent: | 
|  | pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4, | 
|  | buffer, dma_handle); | 
|  | out: | 
|  | return error; | 
|  | } | 
|  |  | 
|  | static int | 
|  | mptsas_sas_expander_pg0(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info, | 
|  | u32 form, u32 form_specific) | 
|  | { | 
|  | ConfigExtendedPageHeader_t hdr; | 
|  | CONFIGPARMS cfg; | 
|  | SasExpanderPage0_t *buffer; | 
|  | dma_addr_t dma_handle; | 
|  | int i, error; | 
|  | __le64 sas_address; | 
|  |  | 
|  | memset(port_info, 0, sizeof(struct mptsas_portinfo)); | 
|  | hdr.PageVersion = MPI_SASEXPANDER0_PAGEVERSION; | 
|  | hdr.ExtPageLength = 0; | 
|  | hdr.PageNumber = 0; | 
|  | hdr.Reserved1 = 0; | 
|  | hdr.Reserved2 = 0; | 
|  | hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED; | 
|  | hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_EXPANDER; | 
|  |  | 
|  | cfg.cfghdr.ehdr = &hdr; | 
|  | cfg.physAddr = -1; | 
|  | cfg.pageAddr = form + form_specific; | 
|  | cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; | 
|  | cfg.dir = 0;	/* read */ | 
|  | cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT; | 
|  |  | 
|  | memset(port_info, 0, sizeof(struct mptsas_portinfo)); | 
|  | error = mpt_config(ioc, &cfg); | 
|  | if (error) | 
|  | goto out; | 
|  |  | 
|  | if (!hdr.ExtPageLength) { | 
|  | error = -ENXIO; | 
|  | goto out; | 
|  | } | 
|  |  | 
|  | buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4, | 
|  | &dma_handle); | 
|  | if (!buffer) { | 
|  | error = -ENOMEM; | 
|  | goto out; | 
|  | } | 
|  |  | 
|  | cfg.physAddr = dma_handle; | 
|  | cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; | 
|  |  | 
|  | error = mpt_config(ioc, &cfg); | 
|  | if (error == MPI_IOCSTATUS_CONFIG_INVALID_PAGE) { | 
|  | error = -ENODEV; | 
|  | goto out_free_consistent; | 
|  | } | 
|  |  | 
|  | if (error) | 
|  | goto out_free_consistent; | 
|  |  | 
|  | /* save config data */ | 
|  | port_info->num_phys = (buffer->NumPhys) ? buffer->NumPhys : 1; | 
|  | port_info->phy_info = kcalloc(port_info->num_phys, | 
|  | sizeof(struct mptsas_phyinfo), GFP_KERNEL); | 
|  | if (!port_info->phy_info) { | 
|  | error = -ENOMEM; | 
|  | goto out_free_consistent; | 
|  | } | 
|  |  | 
|  | memcpy(&sas_address, &buffer->SASAddress, sizeof(__le64)); | 
|  | for (i = 0; i < port_info->num_phys; i++) { | 
|  | port_info->phy_info[i].portinfo = port_info; | 
|  | port_info->phy_info[i].handle = | 
|  | le16_to_cpu(buffer->DevHandle); | 
|  | port_info->phy_info[i].identify.sas_address = | 
|  | le64_to_cpu(sas_address); | 
|  | port_info->phy_info[i].identify.handle_parent = | 
|  | le16_to_cpu(buffer->ParentDevHandle); | 
|  | } | 
|  |  | 
|  | out_free_consistent: | 
|  | pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4, | 
|  | buffer, dma_handle); | 
|  | out: | 
|  | return error; | 
|  | } | 
|  |  | 
|  | static int | 
|  | mptsas_sas_expander_pg1(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info, | 
|  | u32 form, u32 form_specific) | 
|  | { | 
|  | ConfigExtendedPageHeader_t hdr; | 
|  | CONFIGPARMS cfg; | 
|  | SasExpanderPage1_t *buffer; | 
|  | dma_addr_t dma_handle; | 
|  | int error=0; | 
|  |  | 
|  | hdr.PageVersion = MPI_SASEXPANDER1_PAGEVERSION; | 
|  | hdr.ExtPageLength = 0; | 
|  | hdr.PageNumber = 1; | 
|  | hdr.Reserved1 = 0; | 
|  | hdr.Reserved2 = 0; | 
|  | hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED; | 
|  | hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_EXPANDER; | 
|  |  | 
|  | cfg.cfghdr.ehdr = &hdr; | 
|  | cfg.physAddr = -1; | 
|  | cfg.pageAddr = form + form_specific; | 
|  | cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; | 
|  | cfg.dir = 0;	/* read */ | 
|  | cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT; | 
|  |  | 
|  | error = mpt_config(ioc, &cfg); | 
|  | if (error) | 
|  | goto out; | 
|  |  | 
|  | if (!hdr.ExtPageLength) { | 
|  | error = -ENXIO; | 
|  | goto out; | 
|  | } | 
|  |  | 
|  | buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4, | 
|  | &dma_handle); | 
|  | if (!buffer) { | 
|  | error = -ENOMEM; | 
|  | goto out; | 
|  | } | 
|  |  | 
|  | cfg.physAddr = dma_handle; | 
|  | cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; | 
|  |  | 
|  | error = mpt_config(ioc, &cfg); | 
|  |  | 
|  | if (error == MPI_IOCSTATUS_CONFIG_INVALID_PAGE) { | 
|  | error = -ENODEV; | 
|  | goto out_free_consistent; | 
|  | } | 
|  |  | 
|  | if (error) | 
|  | goto out_free_consistent; | 
|  |  | 
|  |  | 
|  | mptsas_print_expander_pg1(ioc, buffer); | 
|  |  | 
|  | /* save config data */ | 
|  | phy_info->phy_id = buffer->PhyIdentifier; | 
|  | phy_info->port_id = buffer->PhysicalPort; | 
|  | phy_info->negotiated_link_rate = buffer->NegotiatedLinkRate; | 
|  | phy_info->programmed_link_rate = buffer->ProgrammedLinkRate; | 
|  | phy_info->hw_link_rate = buffer->HwLinkRate; | 
|  | phy_info->identify.handle = le16_to_cpu(buffer->OwnerDevHandle); | 
|  | phy_info->attached.handle = le16_to_cpu(buffer->AttachedDevHandle); | 
|  |  | 
|  | out_free_consistent: | 
|  | pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4, | 
|  | buffer, dma_handle); | 
|  | out: | 
|  | return error; | 
|  | } | 
|  |  | 
|  | struct rep_manu_request{ | 
|  | u8 smp_frame_type; | 
|  | u8 function; | 
|  | u8 reserved; | 
|  | u8 request_length; | 
|  | }; | 
|  |  | 
|  | struct rep_manu_reply{ | 
|  | u8 smp_frame_type; /* 0x41 */ | 
|  | u8 function; /* 0x01 */ | 
|  | u8 function_result; | 
|  | u8 response_length; | 
|  | u16 expander_change_count; | 
|  | u8 reserved0[2]; | 
|  | u8 sas_format:1; | 
|  | u8 reserved1:7; | 
|  | u8 reserved2[3]; | 
|  | u8 vendor_id[SAS_EXPANDER_VENDOR_ID_LEN]; | 
|  | u8 product_id[SAS_EXPANDER_PRODUCT_ID_LEN]; | 
|  | u8 product_rev[SAS_EXPANDER_PRODUCT_REV_LEN]; | 
|  | u8 component_vendor_id[SAS_EXPANDER_COMPONENT_VENDOR_ID_LEN]; | 
|  | u16 component_id; | 
|  | u8 component_revision_id; | 
|  | u8 reserved3; | 
|  | u8 vendor_specific[8]; | 
|  | }; | 
|  |  | 
|  | /** | 
|  | * mptsas_exp_repmanufacture_info - | 
|  | * @ioc: per adapter object | 
|  | * @sas_address: expander sas address | 
|  | * @edev: the sas_expander_device object | 
|  | * | 
|  | * Fills in the sas_expander_device object when SMP port is created. | 
|  | * | 
|  | * Returns 0 for success, non-zero for failure. | 
|  | */ | 
|  | static int | 
|  | mptsas_exp_repmanufacture_info(MPT_ADAPTER *ioc, | 
|  | u64 sas_address, struct sas_expander_device *edev) | 
|  | { | 
|  | MPT_FRAME_HDR *mf; | 
|  | SmpPassthroughRequest_t *smpreq; | 
|  | SmpPassthroughReply_t *smprep; | 
|  | struct rep_manu_reply *manufacture_reply; | 
|  | struct rep_manu_request *manufacture_request; | 
|  | int ret; | 
|  | int flagsLength; | 
|  | unsigned long timeleft; | 
|  | char *psge; | 
|  | unsigned long flags; | 
|  | void *data_out = NULL; | 
|  | dma_addr_t data_out_dma = 0; | 
|  | u32 sz; | 
|  |  | 
|  | spin_lock_irqsave(&ioc->taskmgmt_lock, flags); | 
|  | if (ioc->ioc_reset_in_progress) { | 
|  | spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); | 
|  | printk(MYIOC_s_INFO_FMT "%s: host reset in progress!\n", | 
|  | __func__, ioc->name); | 
|  | return -EFAULT; | 
|  | } | 
|  | spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); | 
|  |  | 
|  | ret = mutex_lock_interruptible(&ioc->sas_mgmt.mutex); | 
|  | if (ret) | 
|  | goto out; | 
|  |  | 
|  | mf = mpt_get_msg_frame(mptsasMgmtCtx, ioc); | 
|  | if (!mf) { | 
|  | ret = -ENOMEM; | 
|  | goto out_unlock; | 
|  | } | 
|  |  | 
|  | smpreq = (SmpPassthroughRequest_t *)mf; | 
|  | memset(smpreq, 0, sizeof(*smpreq)); | 
|  |  | 
|  | sz = sizeof(struct rep_manu_request) + sizeof(struct rep_manu_reply); | 
|  |  | 
|  | data_out = pci_alloc_consistent(ioc->pcidev, sz, &data_out_dma); | 
|  | if (!data_out) { | 
|  | printk(KERN_ERR "Memory allocation failure at %s:%d/%s()!\n", | 
|  | __FILE__, __LINE__, __func__); | 
|  | ret = -ENOMEM; | 
|  | goto put_mf; | 
|  | } | 
|  |  | 
|  | manufacture_request = data_out; | 
|  | manufacture_request->smp_frame_type = 0x40; | 
|  | manufacture_request->function = 1; | 
|  | manufacture_request->reserved = 0; | 
|  | manufacture_request->request_length = 0; | 
|  |  | 
|  | smpreq->Function = MPI_FUNCTION_SMP_PASSTHROUGH; | 
|  | smpreq->PhysicalPort = 0xFF; | 
|  | *((u64 *)&smpreq->SASAddress) = cpu_to_le64(sas_address); | 
|  | smpreq->RequestDataLength = sizeof(struct rep_manu_request); | 
|  |  | 
|  | psge = (char *) | 
|  | (((int *) mf) + (offsetof(SmpPassthroughRequest_t, SGL) / 4)); | 
|  |  | 
|  | flagsLength = MPI_SGE_FLAGS_SIMPLE_ELEMENT | | 
|  | MPI_SGE_FLAGS_SYSTEM_ADDRESS | | 
|  | MPI_SGE_FLAGS_HOST_TO_IOC | | 
|  | MPI_SGE_FLAGS_END_OF_BUFFER; | 
|  | flagsLength = flagsLength << MPI_SGE_FLAGS_SHIFT; | 
|  | flagsLength |= sizeof(struct rep_manu_request); | 
|  |  | 
|  | ioc->add_sge(psge, flagsLength, data_out_dma); | 
|  | psge += ioc->SGE_size; | 
|  |  | 
|  | flagsLength = MPI_SGE_FLAGS_SIMPLE_ELEMENT | | 
|  | MPI_SGE_FLAGS_SYSTEM_ADDRESS | | 
|  | MPI_SGE_FLAGS_IOC_TO_HOST | | 
|  | MPI_SGE_FLAGS_END_OF_BUFFER; | 
|  | flagsLength = flagsLength << MPI_SGE_FLAGS_SHIFT; | 
|  | flagsLength |= sizeof(struct rep_manu_reply); | 
|  | ioc->add_sge(psge, flagsLength, data_out_dma + | 
|  | sizeof(struct rep_manu_request)); | 
|  |  | 
|  | INITIALIZE_MGMT_STATUS(ioc->sas_mgmt.status) | 
|  | mpt_put_msg_frame(mptsasMgmtCtx, ioc, mf); | 
|  |  | 
|  | timeleft = wait_for_completion_timeout(&ioc->sas_mgmt.done, 10 * HZ); | 
|  | if (!(ioc->sas_mgmt.status & MPT_MGMT_STATUS_COMMAND_GOOD)) { | 
|  | ret = -ETIME; | 
|  | mpt_free_msg_frame(ioc, mf); | 
|  | mf = NULL; | 
|  | if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_DID_IOCRESET) | 
|  | goto out_free; | 
|  | if (!timeleft) | 
|  | mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP); | 
|  | goto out_free; | 
|  | } | 
|  |  | 
|  | mf = NULL; | 
|  |  | 
|  | if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_RF_VALID) { | 
|  | u8 *tmp; | 
|  |  | 
|  | smprep = (SmpPassthroughReply_t *)ioc->sas_mgmt.reply; | 
|  | if (le16_to_cpu(smprep->ResponseDataLength) != | 
|  | sizeof(struct rep_manu_reply)) | 
|  | goto out_free; | 
|  |  | 
|  | manufacture_reply = data_out + sizeof(struct rep_manu_request); | 
|  | strncpy(edev->vendor_id, manufacture_reply->vendor_id, | 
|  | SAS_EXPANDER_VENDOR_ID_LEN); | 
|  | strncpy(edev->product_id, manufacture_reply->product_id, | 
|  | SAS_EXPANDER_PRODUCT_ID_LEN); | 
|  | strncpy(edev->product_rev, manufacture_reply->product_rev, | 
|  | SAS_EXPANDER_PRODUCT_REV_LEN); | 
|  | edev->level = manufacture_reply->sas_format; | 
|  | if (manufacture_reply->sas_format) { | 
|  | strncpy(edev->component_vendor_id, | 
|  | manufacture_reply->component_vendor_id, | 
|  | SAS_EXPANDER_COMPONENT_VENDOR_ID_LEN); | 
|  | tmp = (u8 *)&manufacture_reply->component_id; | 
|  | edev->component_id = tmp[0] << 8 | tmp[1]; | 
|  | edev->component_revision_id = | 
|  | manufacture_reply->component_revision_id; | 
|  | } | 
|  | } else { | 
|  | printk(MYIOC_s_ERR_FMT | 
|  | "%s: smp passthru reply failed to be returned\n", | 
|  | ioc->name, __func__); | 
|  | ret = -ENXIO; | 
|  | } | 
|  | out_free: | 
|  | if (data_out_dma) | 
|  | pci_free_consistent(ioc->pcidev, sz, data_out, data_out_dma); | 
|  | put_mf: | 
|  | if (mf) | 
|  | mpt_free_msg_frame(ioc, mf); | 
|  | out_unlock: | 
|  | CLEAR_MGMT_STATUS(ioc->sas_mgmt.status) | 
|  | mutex_unlock(&ioc->sas_mgmt.mutex); | 
|  | out: | 
|  | return ret; | 
|  | } | 
|  |  | 
|  | static void | 
|  | mptsas_parse_device_info(struct sas_identify *identify, | 
|  | struct mptsas_devinfo *device_info) | 
|  | { | 
|  | u16 protocols; | 
|  |  | 
|  | identify->sas_address = device_info->sas_address; | 
|  | identify->phy_identifier = device_info->phy_id; | 
|  |  | 
|  | /* | 
|  | * Fill in Phy Initiator Port Protocol. | 
|  | * Bits 6:3, more than one bit can be set, fall through cases. | 
|  | */ | 
|  | protocols = device_info->device_info & 0x78; | 
|  | identify->initiator_port_protocols = 0; | 
|  | if (protocols & MPI_SAS_DEVICE_INFO_SSP_INITIATOR) | 
|  | identify->initiator_port_protocols |= SAS_PROTOCOL_SSP; | 
|  | if (protocols & MPI_SAS_DEVICE_INFO_STP_INITIATOR) | 
|  | identify->initiator_port_protocols |= SAS_PROTOCOL_STP; | 
|  | if (protocols & MPI_SAS_DEVICE_INFO_SMP_INITIATOR) | 
|  | identify->initiator_port_protocols |= SAS_PROTOCOL_SMP; | 
|  | if (protocols & MPI_SAS_DEVICE_INFO_SATA_HOST) | 
|  | identify->initiator_port_protocols |= SAS_PROTOCOL_SATA; | 
|  |  | 
|  | /* | 
|  | * Fill in Phy Target Port Protocol. | 
|  | * Bits 10:7, more than one bit can be set, fall through cases. | 
|  | */ | 
|  | protocols = device_info->device_info & 0x780; | 
|  | identify->target_port_protocols = 0; | 
|  | if (protocols & MPI_SAS_DEVICE_INFO_SSP_TARGET) | 
|  | identify->target_port_protocols |= SAS_PROTOCOL_SSP; | 
|  | if (protocols & MPI_SAS_DEVICE_INFO_STP_TARGET) | 
|  | identify->target_port_protocols |= SAS_PROTOCOL_STP; | 
|  | if (protocols & MPI_SAS_DEVICE_INFO_SMP_TARGET) | 
|  | identify->target_port_protocols |= SAS_PROTOCOL_SMP; | 
|  | if (protocols & MPI_SAS_DEVICE_INFO_SATA_DEVICE) | 
|  | identify->target_port_protocols |= SAS_PROTOCOL_SATA; | 
|  |  | 
|  | /* | 
|  | * Fill in Attached device type. | 
|  | */ | 
|  | switch (device_info->device_info & | 
|  | MPI_SAS_DEVICE_INFO_MASK_DEVICE_TYPE) { | 
|  | case MPI_SAS_DEVICE_INFO_NO_DEVICE: | 
|  | identify->device_type = SAS_PHY_UNUSED; | 
|  | break; | 
|  | case MPI_SAS_DEVICE_INFO_END_DEVICE: | 
|  | identify->device_type = SAS_END_DEVICE; | 
|  | break; | 
|  | case MPI_SAS_DEVICE_INFO_EDGE_EXPANDER: | 
|  | identify->device_type = SAS_EDGE_EXPANDER_DEVICE; | 
|  | break; | 
|  | case MPI_SAS_DEVICE_INFO_FANOUT_EXPANDER: | 
|  | identify->device_type = SAS_FANOUT_EXPANDER_DEVICE; | 
|  | break; | 
|  | } | 
|  | } | 
|  |  | 
|  | static int mptsas_probe_one_phy(struct device *dev, | 
|  | struct mptsas_phyinfo *phy_info, int index, int local) | 
|  | { | 
|  | MPT_ADAPTER *ioc; | 
|  | struct sas_phy *phy; | 
|  | struct sas_port *port; | 
|  | int error = 0; | 
|  | VirtTarget *vtarget; | 
|  |  | 
|  | if (!dev) { | 
|  | error = -ENODEV; | 
|  | goto out; | 
|  | } | 
|  |  | 
|  | if (!phy_info->phy) { | 
|  | phy = sas_phy_alloc(dev, index); | 
|  | if (!phy) { | 
|  | error = -ENOMEM; | 
|  | goto out; | 
|  | } | 
|  | } else | 
|  | phy = phy_info->phy; | 
|  |  | 
|  | mptsas_parse_device_info(&phy->identify, &phy_info->identify); | 
|  |  | 
|  | /* | 
|  | * Set Negotiated link rate. | 
|  | */ | 
|  | switch (phy_info->negotiated_link_rate) { | 
|  | case MPI_SAS_IOUNIT0_RATE_PHY_DISABLED: | 
|  | phy->negotiated_linkrate = SAS_PHY_DISABLED; | 
|  | break; | 
|  | case MPI_SAS_IOUNIT0_RATE_FAILED_SPEED_NEGOTIATION: | 
|  | phy->negotiated_linkrate = SAS_LINK_RATE_FAILED; | 
|  | break; | 
|  | case MPI_SAS_IOUNIT0_RATE_1_5: | 
|  | phy->negotiated_linkrate = SAS_LINK_RATE_1_5_GBPS; | 
|  | break; | 
|  | case MPI_SAS_IOUNIT0_RATE_3_0: | 
|  | phy->negotiated_linkrate = SAS_LINK_RATE_3_0_GBPS; | 
|  | break; | 
|  | case MPI_SAS_IOUNIT0_RATE_6_0: | 
|  | phy->negotiated_linkrate = SAS_LINK_RATE_6_0_GBPS; | 
|  | break; | 
|  | case MPI_SAS_IOUNIT0_RATE_SATA_OOB_COMPLETE: | 
|  | case MPI_SAS_IOUNIT0_RATE_UNKNOWN: | 
|  | default: | 
|  | phy->negotiated_linkrate = SAS_LINK_RATE_UNKNOWN; | 
|  | break; | 
|  | } | 
|  |  | 
|  | /* | 
|  | * Set Max hardware link rate. | 
|  | */ | 
|  | switch (phy_info->hw_link_rate & MPI_SAS_PHY0_PRATE_MAX_RATE_MASK) { | 
|  | case MPI_SAS_PHY0_HWRATE_MAX_RATE_1_5: | 
|  | phy->maximum_linkrate_hw = SAS_LINK_RATE_1_5_GBPS; | 
|  | break; | 
|  | case MPI_SAS_PHY0_PRATE_MAX_RATE_3_0: | 
|  | phy->maximum_linkrate_hw = SAS_LINK_RATE_3_0_GBPS; | 
|  | break; | 
|  | default: | 
|  | break; | 
|  | } | 
|  |  | 
|  | /* | 
|  | * Set Max programmed link rate. | 
|  | */ | 
|  | switch (phy_info->programmed_link_rate & | 
|  | MPI_SAS_PHY0_PRATE_MAX_RATE_MASK) { | 
|  | case MPI_SAS_PHY0_PRATE_MAX_RATE_1_5: | 
|  | phy->maximum_linkrate = SAS_LINK_RATE_1_5_GBPS; | 
|  | break; | 
|  | case MPI_SAS_PHY0_PRATE_MAX_RATE_3_0: | 
|  | phy->maximum_linkrate = SAS_LINK_RATE_3_0_GBPS; | 
|  | break; | 
|  | default: | 
|  | break; | 
|  | } | 
|  |  | 
|  | /* | 
|  | * Set Min hardware link rate. | 
|  | */ | 
|  | switch (phy_info->hw_link_rate & MPI_SAS_PHY0_HWRATE_MIN_RATE_MASK) { | 
|  | case MPI_SAS_PHY0_HWRATE_MIN_RATE_1_5: | 
|  | phy->minimum_linkrate_hw = SAS_LINK_RATE_1_5_GBPS; | 
|  | break; | 
|  | case MPI_SAS_PHY0_PRATE_MIN_RATE_3_0: | 
|  | phy->minimum_linkrate_hw = SAS_LINK_RATE_3_0_GBPS; | 
|  | break; | 
|  | default: | 
|  | break; | 
|  | } | 
|  |  | 
|  | /* | 
|  | * Set Min programmed link rate. | 
|  | */ | 
|  | switch (phy_info->programmed_link_rate & | 
|  | MPI_SAS_PHY0_PRATE_MIN_RATE_MASK) { | 
|  | case MPI_SAS_PHY0_PRATE_MIN_RATE_1_5: | 
|  | phy->minimum_linkrate = SAS_LINK_RATE_1_5_GBPS; | 
|  | break; | 
|  | case MPI_SAS_PHY0_PRATE_MIN_RATE_3_0: | 
|  | phy->minimum_linkrate = SAS_LINK_RATE_3_0_GBPS; | 
|  | break; | 
|  | default: | 
|  | break; | 
|  | } | 
|  |  | 
|  | if (!phy_info->phy) { | 
|  |  | 
|  | error = sas_phy_add(phy); | 
|  | if (error) { | 
|  | sas_phy_free(phy); | 
|  | goto out; | 
|  | } | 
|  | phy_info->phy = phy; | 
|  | } | 
|  |  | 
|  | if (!phy_info->attached.handle || | 
|  | !phy_info->port_details) | 
|  | goto out; | 
|  |  | 
|  | port = mptsas_get_port(phy_info); | 
|  | ioc = phy_to_ioc(phy_info->phy); | 
|  |  | 
|  | if (phy_info->sas_port_add_phy) { | 
|  |  | 
|  | if (!port) { | 
|  | port = sas_port_alloc_num(dev); | 
|  | if (!port) { | 
|  | error = -ENOMEM; | 
|  | goto out; | 
|  | } | 
|  | error = sas_port_add(port); | 
|  | if (error) { | 
|  | dfailprintk(ioc, printk(MYIOC_s_ERR_FMT | 
|  | "%s: exit at line=%d\n", ioc->name, | 
|  | __func__, __LINE__)); | 
|  | goto out; | 
|  | } | 
|  | mptsas_set_port(ioc, phy_info, port); | 
|  | devtprintk(ioc, dev_printk(KERN_DEBUG, &port->dev, | 
|  | MYIOC_s_FMT "add port %d, sas_addr (0x%llx)\n", | 
|  | ioc->name, port->port_identifier, | 
|  | (unsigned long long)phy_info-> | 
|  | attached.sas_address)); | 
|  | } | 
|  | dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT | 
|  | "sas_port_add_phy: phy_id=%d\n", | 
|  | ioc->name, phy_info->phy_id)); | 
|  | sas_port_add_phy(port, phy_info->phy); | 
|  | phy_info->sas_port_add_phy = 0; | 
|  | devtprintk(ioc, dev_printk(KERN_DEBUG, &phy_info->phy->dev, | 
|  | MYIOC_s_FMT "add phy %d, phy-obj (0x%p)\n", ioc->name, | 
|  | phy_info->phy_id, phy_info->phy)); | 
|  | } | 
|  | if (!mptsas_get_rphy(phy_info) && port && !port->rphy) { | 
|  |  | 
|  | struct sas_rphy *rphy; | 
|  | struct device *parent; | 
|  | struct sas_identify identify; | 
|  |  | 
|  | parent = dev->parent->parent; | 
|  | /* | 
|  | * Let the hotplug_work thread handle processing | 
|  | * the adding/removing of devices that occur | 
|  | * after start of day. | 
|  | */ | 
|  | if (mptsas_is_end_device(&phy_info->attached) && | 
|  | phy_info->attached.handle_parent) { | 
|  | goto out; | 
|  | } | 
|  |  | 
|  | mptsas_parse_device_info(&identify, &phy_info->attached); | 
|  | if (scsi_is_host_device(parent)) { | 
|  | struct mptsas_portinfo *port_info; | 
|  | int i; | 
|  |  | 
|  | port_info = ioc->hba_port_info; | 
|  |  | 
|  | for (i = 0; i < port_info->num_phys; i++) | 
|  | if (port_info->phy_info[i].identify.sas_address == | 
|  | identify.sas_address) { | 
|  | sas_port_mark_backlink(port); | 
|  | goto out; | 
|  | } | 
|  |  | 
|  | } else if (scsi_is_sas_rphy(parent)) { | 
|  | struct sas_rphy *parent_rphy = dev_to_rphy(parent); | 
|  | if (identify.sas_address == | 
|  | parent_rphy->identify.sas_address) { | 
|  | sas_port_mark_backlink(port); | 
|  | goto out; | 
|  | } | 
|  | } | 
|  |  | 
|  | switch (identify.device_type) { | 
|  | case SAS_END_DEVICE: | 
|  | rphy = sas_end_device_alloc(port); | 
|  | break; | 
|  | case SAS_EDGE_EXPANDER_DEVICE: | 
|  | case SAS_FANOUT_EXPANDER_DEVICE: | 
|  | rphy = sas_expander_alloc(port, identify.device_type); | 
|  | break; | 
|  | default: | 
|  | rphy = NULL; | 
|  | break; | 
|  | } | 
|  | if (!rphy) { | 
|  | dfailprintk(ioc, printk(MYIOC_s_ERR_FMT | 
|  | "%s: exit at line=%d\n", ioc->name, | 
|  | __func__, __LINE__)); | 
|  | goto out; | 
|  | } | 
|  |  | 
|  | rphy->identify = identify; | 
|  | error = sas_rphy_add(rphy); | 
|  | if (error) { | 
|  | dfailprintk(ioc, printk(MYIOC_s_ERR_FMT | 
|  | "%s: exit at line=%d\n", ioc->name, | 
|  | __func__, __LINE__)); | 
|  | sas_rphy_free(rphy); | 
|  | goto out; | 
|  | } | 
|  | mptsas_set_rphy(ioc, phy_info, rphy); | 
|  | if (identify.device_type == SAS_EDGE_EXPANDER_DEVICE || | 
|  | identify.device_type == SAS_FANOUT_EXPANDER_DEVICE) | 
|  | mptsas_exp_repmanufacture_info(ioc, | 
|  | identify.sas_address, | 
|  | rphy_to_expander_device(rphy)); | 
|  | } | 
|  |  | 
|  | /* If the device exists,verify it wasn't previously flagged | 
|  | as a missing device.  If so, clear it */ | 
|  | vtarget = mptsas_find_vtarget(ioc, | 
|  | phy_info->attached.channel, | 
|  | phy_info->attached.id); | 
|  | if (vtarget && vtarget->inDMD) { | 
|  | printk(KERN_INFO "Device returned, unsetting inDMD\n"); | 
|  | vtarget->inDMD = 0; | 
|  | } | 
|  |  | 
|  | out: | 
|  | return error; | 
|  | } | 
|  |  | 
|  | static int | 
|  | mptsas_probe_hba_phys(MPT_ADAPTER *ioc) | 
|  | { | 
|  | struct mptsas_portinfo *port_info, *hba; | 
|  | int error = -ENOMEM, i; | 
|  |  | 
|  | hba = kzalloc(sizeof(struct mptsas_portinfo), GFP_KERNEL); | 
|  | if (! hba) | 
|  | goto out; | 
|  |  | 
|  | error = mptsas_sas_io_unit_pg0(ioc, hba); | 
|  | if (error) | 
|  | goto out_free_port_info; | 
|  |  | 
|  | mptsas_sas_io_unit_pg1(ioc); | 
|  | mutex_lock(&ioc->sas_topology_mutex); | 
|  | port_info = ioc->hba_port_info; | 
|  | if (!port_info) { | 
|  | ioc->hba_port_info = port_info = hba; | 
|  | ioc->hba_port_num_phy = port_info->num_phys; | 
|  | list_add_tail(&port_info->list, &ioc->sas_topology); | 
|  | } else { | 
|  | for (i = 0; i < hba->num_phys; i++) { | 
|  | port_info->phy_info[i].negotiated_link_rate = | 
|  | hba->phy_info[i].negotiated_link_rate; | 
|  | port_info->phy_info[i].handle = | 
|  | hba->phy_info[i].handle; | 
|  | port_info->phy_info[i].port_id = | 
|  | hba->phy_info[i].port_id; | 
|  | } | 
|  | kfree(hba->phy_info); | 
|  | kfree(hba); | 
|  | hba = NULL; | 
|  | } | 
|  | mutex_unlock(&ioc->sas_topology_mutex); | 
|  | #if defined(CPQ_CIM) | 
|  | ioc->num_ports = port_info->num_phys; | 
|  | #endif | 
|  | for (i = 0; i < port_info->num_phys; i++) { | 
|  | mptsas_sas_phy_pg0(ioc, &port_info->phy_info[i], | 
|  | (MPI_SAS_PHY_PGAD_FORM_PHY_NUMBER << | 
|  | MPI_SAS_PHY_PGAD_FORM_SHIFT), i); | 
|  | port_info->phy_info[i].identify.handle = | 
|  | port_info->phy_info[i].handle; | 
|  | mptsas_sas_device_pg0(ioc, &port_info->phy_info[i].identify, | 
|  | (MPI_SAS_DEVICE_PGAD_FORM_HANDLE << | 
|  | MPI_SAS_DEVICE_PGAD_FORM_SHIFT), | 
|  | port_info->phy_info[i].identify.handle); | 
|  | if (!ioc->hba_port_sas_addr) | 
|  | ioc->hba_port_sas_addr = | 
|  | port_info->phy_info[i].identify.sas_address; | 
|  | port_info->phy_info[i].identify.phy_id = | 
|  | port_info->phy_info[i].phy_id = i; | 
|  | if (port_info->phy_info[i].attached.handle) | 
|  | mptsas_sas_device_pg0(ioc, | 
|  | &port_info->phy_info[i].attached, | 
|  | (MPI_SAS_DEVICE_PGAD_FORM_HANDLE << | 
|  | MPI_SAS_DEVICE_PGAD_FORM_SHIFT), | 
|  | port_info->phy_info[i].attached.handle); | 
|  | } | 
|  |  | 
|  | mptsas_setup_wide_ports(ioc, port_info); | 
|  |  | 
|  | for (i = 0; i < port_info->num_phys; i++, ioc->sas_index++) | 
|  | mptsas_probe_one_phy(&ioc->sh->shost_gendev, | 
|  | &port_info->phy_info[i], ioc->sas_index, 1); | 
|  |  | 
|  | return 0; | 
|  |  | 
|  | out_free_port_info: | 
|  | kfree(hba); | 
|  | out: | 
|  | return error; | 
|  | } | 
|  |  | 
|  | static void | 
|  | mptsas_expander_refresh(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info) | 
|  | { | 
|  | struct mptsas_portinfo *parent; | 
|  | struct device *parent_dev; | 
|  | struct sas_rphy	*rphy; | 
|  | int		i; | 
|  | u64		sas_address; /* expander sas address */ | 
|  | u32		handle; | 
|  |  | 
|  | handle = port_info->phy_info[0].handle; | 
|  | sas_address = port_info->phy_info[0].identify.sas_address; | 
|  | for (i = 0; i < port_info->num_phys; i++) { | 
|  | mptsas_sas_expander_pg1(ioc, &port_info->phy_info[i], | 
|  | (MPI_SAS_EXPAND_PGAD_FORM_HANDLE_PHY_NUM << | 
|  | MPI_SAS_EXPAND_PGAD_FORM_SHIFT), (i << 16) + handle); | 
|  |  | 
|  | mptsas_sas_device_pg0(ioc, | 
|  | &port_info->phy_info[i].identify, | 
|  | (MPI_SAS_DEVICE_PGAD_FORM_HANDLE << | 
|  | MPI_SAS_DEVICE_PGAD_FORM_SHIFT), | 
|  | port_info->phy_info[i].identify.handle); | 
|  | port_info->phy_info[i].identify.phy_id = | 
|  | port_info->phy_info[i].phy_id; | 
|  |  | 
|  | if (port_info->phy_info[i].attached.handle) { | 
|  | mptsas_sas_device_pg0(ioc, | 
|  | &port_info->phy_info[i].attached, | 
|  | (MPI_SAS_DEVICE_PGAD_FORM_HANDLE << | 
|  | MPI_SAS_DEVICE_PGAD_FORM_SHIFT), | 
|  | port_info->phy_info[i].attached.handle); | 
|  | port_info->phy_info[i].attached.phy_id = | 
|  | port_info->phy_info[i].phy_id; | 
|  | } | 
|  | } | 
|  |  | 
|  | mutex_lock(&ioc->sas_topology_mutex); | 
|  | parent = mptsas_find_portinfo_by_handle(ioc, | 
|  | port_info->phy_info[0].identify.handle_parent); | 
|  | if (!parent) { | 
|  | mutex_unlock(&ioc->sas_topology_mutex); | 
|  | return; | 
|  | } | 
|  | for (i = 0, parent_dev = NULL; i < parent->num_phys && !parent_dev; | 
|  | i++) { | 
|  | if (parent->phy_info[i].attached.sas_address == sas_address) { | 
|  | rphy = mptsas_get_rphy(&parent->phy_info[i]); | 
|  | parent_dev = &rphy->dev; | 
|  | } | 
|  | } | 
|  | mutex_unlock(&ioc->sas_topology_mutex); | 
|  |  | 
|  | mptsas_setup_wide_ports(ioc, port_info); | 
|  | for (i = 0; i < port_info->num_phys; i++, ioc->sas_index++) | 
|  | mptsas_probe_one_phy(parent_dev, &port_info->phy_info[i], | 
|  | ioc->sas_index, 0); | 
|  | } | 
|  |  | 
|  | static void | 
|  | mptsas_expander_event_add(MPT_ADAPTER *ioc, | 
|  | MpiEventDataSasExpanderStatusChange_t *expander_data) | 
|  | { | 
|  | struct mptsas_portinfo *port_info; | 
|  | int i; | 
|  | __le64 sas_address; | 
|  |  | 
|  | port_info = kzalloc(sizeof(struct mptsas_portinfo), GFP_KERNEL); | 
|  | if (!port_info) | 
|  | BUG(); | 
|  | port_info->num_phys = (expander_data->NumPhys) ? | 
|  | expander_data->NumPhys : 1; | 
|  | port_info->phy_info = kcalloc(port_info->num_phys, | 
|  | sizeof(struct mptsas_phyinfo), GFP_KERNEL); | 
|  | if (!port_info->phy_info) | 
|  | BUG(); | 
|  | memcpy(&sas_address, &expander_data->SASAddress, sizeof(__le64)); | 
|  | for (i = 0; i < port_info->num_phys; i++) { | 
|  | port_info->phy_info[i].portinfo = port_info; | 
|  | port_info->phy_info[i].handle = | 
|  | le16_to_cpu(expander_data->DevHandle); | 
|  | port_info->phy_info[i].identify.sas_address = | 
|  | le64_to_cpu(sas_address); | 
|  | port_info->phy_info[i].identify.handle_parent = | 
|  | le16_to_cpu(expander_data->ParentDevHandle); | 
|  | } | 
|  |  | 
|  | mutex_lock(&ioc->sas_topology_mutex); | 
|  | list_add_tail(&port_info->list, &ioc->sas_topology); | 
|  | mutex_unlock(&ioc->sas_topology_mutex); | 
|  |  | 
|  | printk(MYIOC_s_INFO_FMT "add expander: num_phys %d, " | 
|  | "sas_addr (0x%llx)\n", ioc->name, port_info->num_phys, | 
|  | (unsigned long long)sas_address); | 
|  |  | 
|  | mptsas_expander_refresh(ioc, port_info); | 
|  | } | 
|  |  | 
|  | /** | 
|  | * mptsas_delete_expander_siblings - remove siblings attached to expander | 
|  | * @ioc: Pointer to MPT_ADAPTER structure | 
|  | * @parent: the parent port_info object | 
|  | * @expander: the expander port_info object | 
|  | **/ | 
|  | static void | 
|  | mptsas_delete_expander_siblings(MPT_ADAPTER *ioc, struct mptsas_portinfo | 
|  | *parent, struct mptsas_portinfo *expander) | 
|  | { | 
|  | struct mptsas_phyinfo *phy_info; | 
|  | struct mptsas_portinfo *port_info; | 
|  | struct sas_rphy *rphy; | 
|  | int i; | 
|  |  | 
|  | phy_info = expander->phy_info; | 
|  | for (i = 0; i < expander->num_phys; i++, phy_info++) { | 
|  | rphy = mptsas_get_rphy(phy_info); | 
|  | if (!rphy) | 
|  | continue; | 
|  | if (rphy->identify.device_type == SAS_END_DEVICE) | 
|  | mptsas_del_end_device(ioc, phy_info); | 
|  | } | 
|  |  | 
|  | phy_info = expander->phy_info; | 
|  | for (i = 0; i < expander->num_phys; i++, phy_info++) { | 
|  | rphy = mptsas_get_rphy(phy_info); | 
|  | if (!rphy) | 
|  | continue; | 
|  | if (rphy->identify.device_type == | 
|  | MPI_SAS_DEVICE_INFO_EDGE_EXPANDER || | 
|  | rphy->identify.device_type == | 
|  | MPI_SAS_DEVICE_INFO_FANOUT_EXPANDER) { | 
|  | port_info = mptsas_find_portinfo_by_sas_address(ioc, | 
|  | rphy->identify.sas_address); | 
|  | if (!port_info) | 
|  | continue; | 
|  | if (port_info == parent) /* backlink rphy */ | 
|  | continue; | 
|  | /* | 
|  | Delete this expander even if the expdevpage is exists | 
|  | because the parent expander is already deleted | 
|  | */ | 
|  | mptsas_expander_delete(ioc, port_info, 1); | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  |  | 
|  | /** | 
|  | *	mptsas_expander_delete - remove this expander | 
|  | *	@ioc: Pointer to MPT_ADAPTER structure | 
|  | *	@port_info: expander port_info struct | 
|  | *	@force: Flag to forcefully delete the expander | 
|  | * | 
|  | **/ | 
|  |  | 
|  | static void mptsas_expander_delete(MPT_ADAPTER *ioc, | 
|  | struct mptsas_portinfo *port_info, u8 force) | 
|  | { | 
|  |  | 
|  | struct mptsas_portinfo *parent; | 
|  | int		i; | 
|  | u64		expander_sas_address; | 
|  | struct mptsas_phyinfo *phy_info; | 
|  | struct mptsas_portinfo buffer; | 
|  | struct mptsas_portinfo_details *port_details; | 
|  | struct sas_port *port; | 
|  |  | 
|  | if (!port_info) | 
|  | return; | 
|  |  | 
|  | /* see if expander is still there before deleting */ | 
|  | mptsas_sas_expander_pg0(ioc, &buffer, | 
|  | (MPI_SAS_EXPAND_PGAD_FORM_HANDLE << | 
|  | MPI_SAS_EXPAND_PGAD_FORM_SHIFT), | 
|  | port_info->phy_info[0].identify.handle); | 
|  |  | 
|  | if (buffer.num_phys) { | 
|  | kfree(buffer.phy_info); | 
|  | if (!force) | 
|  | return; | 
|  | } | 
|  |  | 
|  |  | 
|  | /* | 
|  | * Obtain the port_info instance to the parent port | 
|  | */ | 
|  | port_details = NULL; | 
|  | expander_sas_address = | 
|  | port_info->phy_info[0].identify.sas_address; | 
|  | parent = mptsas_find_portinfo_by_handle(ioc, | 
|  | port_info->phy_info[0].identify.handle_parent); | 
|  | mptsas_delete_expander_siblings(ioc, parent, port_info); | 
|  | if (!parent) | 
|  | goto out; | 
|  |  | 
|  | /* | 
|  | * Delete rphys in the parent that point | 
|  | * to this expander. | 
|  | */ | 
|  | phy_info = parent->phy_info; | 
|  | port = NULL; | 
|  | for (i = 0; i < parent->num_phys; i++, phy_info++) { | 
|  | if (!phy_info->phy) | 
|  | continue; | 
|  | if (phy_info->attached.sas_address != | 
|  | expander_sas_address) | 
|  | continue; | 
|  | if (!port) { | 
|  | port = mptsas_get_port(phy_info); | 
|  | port_details = phy_info->port_details; | 
|  | } | 
|  | dev_printk(KERN_DEBUG, &phy_info->phy->dev, | 
|  | MYIOC_s_FMT "delete phy %d, phy-obj (0x%p)\n", ioc->name, | 
|  | phy_info->phy_id, phy_info->phy); | 
|  | sas_port_delete_phy(port, phy_info->phy); | 
|  | } | 
|  | if (port) { | 
|  | dev_printk(KERN_DEBUG, &port->dev, | 
|  | MYIOC_s_FMT "delete port %d, sas_addr (0x%llx)\n", | 
|  | ioc->name, port->port_identifier, | 
|  | (unsigned long long)expander_sas_address); | 
|  | sas_port_delete(port); | 
|  | mptsas_port_delete(ioc, port_details); | 
|  | } | 
|  | out: | 
|  |  | 
|  | printk(MYIOC_s_INFO_FMT "delete expander: num_phys %d, " | 
|  | "sas_addr (0x%llx)\n",  ioc->name, port_info->num_phys, | 
|  | (unsigned long long)expander_sas_address); | 
|  |  | 
|  | /* | 
|  | * free link | 
|  | */ | 
|  | list_del(&port_info->list); | 
|  | kfree(port_info->phy_info); | 
|  | kfree(port_info); | 
|  | } | 
|  |  | 
|  |  | 
|  | /** | 
|  | * mptsas_send_expander_event - expanders events | 
|  | * @ioc: Pointer to MPT_ADAPTER structure | 
|  | * @expander_data: event data | 
|  | * | 
|  | * | 
|  | * This function handles adding, removing, and refreshing | 
|  | * device handles within the expander objects. | 
|  | */ | 
|  | static void | 
|  | mptsas_send_expander_event(struct fw_event_work *fw_event) | 
|  | { | 
|  | MPT_ADAPTER *ioc; | 
|  | MpiEventDataSasExpanderStatusChange_t *expander_data; | 
|  | struct mptsas_portinfo *port_info; | 
|  | __le64 sas_address; | 
|  | int i; | 
|  |  | 
|  | ioc = fw_event->ioc; | 
|  | expander_data = (MpiEventDataSasExpanderStatusChange_t *) | 
|  | fw_event->event_data; | 
|  | memcpy(&sas_address, &expander_data->SASAddress, sizeof(__le64)); | 
|  | sas_address = le64_to_cpu(sas_address); | 
|  | port_info = mptsas_find_portinfo_by_sas_address(ioc, sas_address); | 
|  |  | 
|  | if (expander_data->ReasonCode == MPI_EVENT_SAS_EXP_RC_ADDED) { | 
|  | if (port_info) { | 
|  | for (i = 0; i < port_info->num_phys; i++) { | 
|  | port_info->phy_info[i].portinfo = port_info; | 
|  | port_info->phy_info[i].handle = | 
|  | le16_to_cpu(expander_data->DevHandle); | 
|  | port_info->phy_info[i].identify.sas_address = | 
|  | le64_to_cpu(sas_address); | 
|  | port_info->phy_info[i].identify.handle_parent = | 
|  | le16_to_cpu(expander_data->ParentDevHandle); | 
|  | } | 
|  | mptsas_expander_refresh(ioc, port_info); | 
|  | } else if (!port_info && expander_data->NumPhys) | 
|  | mptsas_expander_event_add(ioc, expander_data); | 
|  | } else if (expander_data->ReasonCode == | 
|  | MPI_EVENT_SAS_EXP_RC_NOT_RESPONDING) | 
|  | mptsas_expander_delete(ioc, port_info, 0); | 
|  |  | 
|  | mptsas_free_fw_event(ioc, fw_event); | 
|  | } | 
|  |  | 
|  |  | 
|  | /** | 
|  | * mptsas_expander_add - | 
|  | * @ioc: Pointer to MPT_ADAPTER structure | 
|  | * @handle: | 
|  | * | 
|  | */ | 
|  | struct mptsas_portinfo * | 
|  | mptsas_expander_add(MPT_ADAPTER *ioc, u16 handle) | 
|  | { | 
|  | struct mptsas_portinfo buffer, *port_info; | 
|  | int i; | 
|  |  | 
|  | if ((mptsas_sas_expander_pg0(ioc, &buffer, | 
|  | (MPI_SAS_EXPAND_PGAD_FORM_HANDLE << | 
|  | MPI_SAS_EXPAND_PGAD_FORM_SHIFT), handle))) | 
|  | return NULL; | 
|  |  | 
|  | port_info = kzalloc(sizeof(struct mptsas_portinfo), GFP_ATOMIC); | 
|  | if (!port_info) { | 
|  | dfailprintk(ioc, printk(MYIOC_s_ERR_FMT | 
|  | "%s: exit at line=%d\n", ioc->name, | 
|  | __func__, __LINE__)); | 
|  | return NULL; | 
|  | } | 
|  | port_info->num_phys = buffer.num_phys; | 
|  | port_info->phy_info = buffer.phy_info; | 
|  | for (i = 0; i < port_info->num_phys; i++) | 
|  | port_info->phy_info[i].portinfo = port_info; | 
|  | mutex_lock(&ioc->sas_topology_mutex); | 
|  | list_add_tail(&port_info->list, &ioc->sas_topology); | 
|  | mutex_unlock(&ioc->sas_topology_mutex); | 
|  | printk(MYIOC_s_INFO_FMT "add expander: num_phys %d, " | 
|  | "sas_addr (0x%llx)\n", ioc->name, port_info->num_phys, | 
|  | (unsigned long long)buffer.phy_info[0].identify.sas_address); | 
|  | mptsas_expander_refresh(ioc, port_info); | 
|  | return port_info; | 
|  | } | 
|  |  | 
|  | static void | 
|  | mptsas_send_link_status_event(struct fw_event_work *fw_event) | 
|  | { | 
|  | MPT_ADAPTER *ioc; | 
|  | MpiEventDataSasPhyLinkStatus_t *link_data; | 
|  | struct mptsas_portinfo *port_info; | 
|  | struct mptsas_phyinfo *phy_info = NULL; | 
|  | __le64 sas_address; | 
|  | u8 phy_num; | 
|  | u8 link_rate; | 
|  |  | 
|  | ioc = fw_event->ioc; | 
|  | link_data = (MpiEventDataSasPhyLinkStatus_t *)fw_event->event_data; | 
|  |  | 
|  | memcpy(&sas_address, &link_data->SASAddress, sizeof(__le64)); | 
|  | sas_address = le64_to_cpu(sas_address); | 
|  | link_rate = link_data->LinkRates >> 4; | 
|  | phy_num = link_data->PhyNum; | 
|  |  | 
|  | port_info = mptsas_find_portinfo_by_sas_address(ioc, sas_address); | 
|  | if (port_info) { | 
|  | phy_info = &port_info->phy_info[phy_num]; | 
|  | if (phy_info) | 
|  | phy_info->negotiated_link_rate = link_rate; | 
|  | } | 
|  |  | 
|  | if (link_rate == MPI_SAS_IOUNIT0_RATE_1_5 || | 
|  | link_rate == MPI_SAS_IOUNIT0_RATE_3_0 || | 
|  | link_rate == MPI_SAS_IOUNIT0_RATE_6_0) { | 
|  |  | 
|  | if (!port_info) { | 
|  | if (ioc->old_sas_discovery_protocal) { | 
|  | port_info = mptsas_expander_add(ioc, | 
|  | le16_to_cpu(link_data->DevHandle)); | 
|  | if (port_info) | 
|  | goto out; | 
|  | } | 
|  | goto out; | 
|  | } | 
|  |  | 
|  | if (port_info == ioc->hba_port_info) | 
|  | mptsas_probe_hba_phys(ioc); | 
|  | else | 
|  | mptsas_expander_refresh(ioc, port_info); | 
|  | } else if (phy_info && phy_info->phy) { | 
|  | if (link_rate ==  MPI_SAS_IOUNIT0_RATE_PHY_DISABLED) | 
|  | phy_info->phy->negotiated_linkrate = | 
|  | SAS_PHY_DISABLED; | 
|  | else if (link_rate == | 
|  | MPI_SAS_IOUNIT0_RATE_FAILED_SPEED_NEGOTIATION) | 
|  | phy_info->phy->negotiated_linkrate = | 
|  | SAS_LINK_RATE_FAILED; | 
|  | else { | 
|  | phy_info->phy->negotiated_linkrate = | 
|  | SAS_LINK_RATE_UNKNOWN; | 
|  | if (ioc->device_missing_delay && | 
|  | mptsas_is_end_device(&phy_info->attached)) { | 
|  | struct scsi_device		*sdev; | 
|  | VirtDevice			*vdevice; | 
|  | u8	channel, id; | 
|  | id = phy_info->attached.id; | 
|  | channel = phy_info->attached.channel; | 
|  | devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT | 
|  | "Link down for fw_id %d:fw_channel %d\n", | 
|  | ioc->name, phy_info->attached.id, | 
|  | phy_info->attached.channel)); | 
|  |  | 
|  | shost_for_each_device(sdev, ioc->sh) { | 
|  | vdevice = sdev->hostdata; | 
|  | if ((vdevice == NULL) || | 
|  | (vdevice->vtarget == NULL)) | 
|  | continue; | 
|  | if ((vdevice->vtarget->tflags & | 
|  | MPT_TARGET_FLAGS_RAID_COMPONENT || | 
|  | vdevice->vtarget->raidVolume)) | 
|  | continue; | 
|  | if (vdevice->vtarget->id == id && | 
|  | vdevice->vtarget->channel == | 
|  | channel) | 
|  | devtprintk(ioc, | 
|  | printk(MYIOC_s_DEBUG_FMT | 
|  | "SDEV OUTSTANDING CMDS" | 
|  | "%d\n", ioc->name, | 
|  | sdev->device_busy)); | 
|  | } | 
|  |  | 
|  | } | 
|  | } | 
|  | } | 
|  | out: | 
|  | mptsas_free_fw_event(ioc, fw_event); | 
|  | } | 
|  |  | 
|  | static void | 
|  | mptsas_not_responding_devices(MPT_ADAPTER *ioc) | 
|  | { | 
|  | struct mptsas_portinfo buffer, *port_info; | 
|  | struct mptsas_device_info	*sas_info; | 
|  | struct mptsas_devinfo sas_device; | 
|  | u32	handle; | 
|  | VirtTarget *vtarget = NULL; | 
|  | struct mptsas_phyinfo *phy_info; | 
|  | u8 found_expander; | 
|  | int retval, retry_count; | 
|  | unsigned long flags; | 
|  |  | 
|  | mpt_findImVolumes(ioc); | 
|  |  | 
|  | spin_lock_irqsave(&ioc->taskmgmt_lock, flags); | 
|  | if (ioc->ioc_reset_in_progress) { | 
|  | dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT | 
|  | "%s: exiting due to a parallel reset \n", ioc->name, | 
|  | __func__)); | 
|  | spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); | 
|  | return; | 
|  | } | 
|  | spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); | 
|  |  | 
|  | /* devices, logical volumes */ | 
|  | mutex_lock(&ioc->sas_device_info_mutex); | 
|  | redo_device_scan: | 
|  | list_for_each_entry(sas_info, &ioc->sas_device_info_list, list) { | 
|  | if (sas_info->is_cached) | 
|  | continue; | 
|  | if (!sas_info->is_logical_volume) { | 
|  | sas_device.handle = 0; | 
|  | retry_count = 0; | 
|  | retry_page: | 
|  | retval = mptsas_sas_device_pg0(ioc, &sas_device, | 
|  | (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID | 
|  | << MPI_SAS_DEVICE_PGAD_FORM_SHIFT), | 
|  | (sas_info->fw.channel << 8) + | 
|  | sas_info->fw.id); | 
|  |  | 
|  | if (sas_device.handle) | 
|  | continue; | 
|  | if (retval == -EBUSY) { | 
|  | spin_lock_irqsave(&ioc->taskmgmt_lock, flags); | 
|  | if (ioc->ioc_reset_in_progress) { | 
|  | dfailprintk(ioc, | 
|  | printk(MYIOC_s_DEBUG_FMT | 
|  | "%s: exiting due to reset\n", | 
|  | ioc->name, __func__)); | 
|  | spin_unlock_irqrestore | 
|  | (&ioc->taskmgmt_lock, flags); | 
|  | mutex_unlock(&ioc-> | 
|  | sas_device_info_mutex); | 
|  | return; | 
|  | } | 
|  | spin_unlock_irqrestore(&ioc->taskmgmt_lock, | 
|  | flags); | 
|  | } | 
|  |  | 
|  | if (retval && (retval != -ENODEV)) { | 
|  | if (retry_count < 10) { | 
|  | retry_count++; | 
|  | goto retry_page; | 
|  | } else { | 
|  | devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT | 
|  | "%s: Config page retry exceeded retry " | 
|  | "count deleting device 0x%llx\n", | 
|  | ioc->name, __func__, | 
|  | sas_info->sas_address)); | 
|  | } | 
|  | } | 
|  |  | 
|  | /* delete device */ | 
|  | vtarget = mptsas_find_vtarget(ioc, | 
|  | sas_info->fw.channel, sas_info->fw.id); | 
|  |  | 
|  | if (vtarget) | 
|  | vtarget->deleted = 1; | 
|  |  | 
|  | phy_info = mptsas_find_phyinfo_by_sas_address(ioc, | 
|  | sas_info->sas_address); | 
|  |  | 
|  | if (phy_info) { | 
|  | mptsas_del_end_device(ioc, phy_info); | 
|  | goto redo_device_scan; | 
|  | } | 
|  | } else | 
|  | mptsas_volume_delete(ioc, sas_info->fw.id); | 
|  | } | 
|  | mutex_unlock(&ioc->sas_device_info_mutex); | 
|  |  | 
|  | /* expanders */ | 
|  | mutex_lock(&ioc->sas_topology_mutex); | 
|  | redo_expander_scan: | 
|  | list_for_each_entry(port_info, &ioc->sas_topology, list) { | 
|  |  | 
|  | if (port_info->phy_info && | 
|  | (!(port_info->phy_info[0].identify.device_info & | 
|  | MPI_SAS_DEVICE_INFO_SMP_TARGET))) | 
|  | continue; | 
|  | found_expander = 0; | 
|  | handle = 0xFFFF; | 
|  | while (!mptsas_sas_expander_pg0(ioc, &buffer, | 
|  | (MPI_SAS_EXPAND_PGAD_FORM_GET_NEXT_HANDLE << | 
|  | MPI_SAS_EXPAND_PGAD_FORM_SHIFT), handle) && | 
|  | !found_expander) { | 
|  |  | 
|  | handle = buffer.phy_info[0].handle; | 
|  | if (buffer.phy_info[0].identify.sas_address == | 
|  | port_info->phy_info[0].identify.sas_address) { | 
|  | found_expander = 1; | 
|  | } | 
|  | kfree(buffer.phy_info); | 
|  | } | 
|  |  | 
|  | if (!found_expander) { | 
|  | mptsas_expander_delete(ioc, port_info, 0); | 
|  | goto redo_expander_scan; | 
|  | } | 
|  | } | 
|  | mutex_unlock(&ioc->sas_topology_mutex); | 
|  | } | 
|  |  | 
|  | /** | 
|  | *	mptsas_probe_expanders - adding expanders | 
|  | *	@ioc: Pointer to MPT_ADAPTER structure | 
|  | * | 
|  | **/ | 
|  | static void | 
|  | mptsas_probe_expanders(MPT_ADAPTER *ioc) | 
|  | { | 
|  | struct mptsas_portinfo buffer, *port_info; | 
|  | u32 			handle; | 
|  | int i; | 
|  |  | 
|  | handle = 0xFFFF; | 
|  | while (!mptsas_sas_expander_pg0(ioc, &buffer, | 
|  | (MPI_SAS_EXPAND_PGAD_FORM_GET_NEXT_HANDLE << | 
|  | MPI_SAS_EXPAND_PGAD_FORM_SHIFT), handle)) { | 
|  |  | 
|  | handle = buffer.phy_info[0].handle; | 
|  | port_info = mptsas_find_portinfo_by_sas_address(ioc, | 
|  | buffer.phy_info[0].identify.sas_address); | 
|  |  | 
|  | if (port_info) { | 
|  | /* refreshing handles */ | 
|  | for (i = 0; i < buffer.num_phys; i++) { | 
|  | port_info->phy_info[i].handle = handle; | 
|  | port_info->phy_info[i].identify.handle_parent = | 
|  | buffer.phy_info[0].identify.handle_parent; | 
|  | } | 
|  | mptsas_expander_refresh(ioc, port_info); | 
|  | kfree(buffer.phy_info); | 
|  | continue; | 
|  | } | 
|  |  | 
|  | port_info = kzalloc(sizeof(struct mptsas_portinfo), GFP_KERNEL); | 
|  | if (!port_info) { | 
|  | dfailprintk(ioc, printk(MYIOC_s_ERR_FMT | 
|  | "%s: exit at line=%d\n", ioc->name, | 
|  | __func__, __LINE__)); | 
|  | return; | 
|  | } | 
|  | port_info->num_phys = buffer.num_phys; | 
|  | port_info->phy_info = buffer.phy_info; | 
|  | for (i = 0; i < port_info->num_phys; i++) | 
|  | port_info->phy_info[i].portinfo = port_info; | 
|  | mutex_lock(&ioc->sas_topology_mutex); | 
|  | list_add_tail(&port_info->list, &ioc->sas_topology); | 
|  | mutex_unlock(&ioc->sas_topology_mutex); | 
|  | printk(MYIOC_s_INFO_FMT "add expander: num_phys %d, " | 
|  | "sas_addr (0x%llx)\n", ioc->name, port_info->num_phys, | 
|  | (unsigned long long)buffer.phy_info[0].identify.sas_address); | 
|  | mptsas_expander_refresh(ioc, port_info); | 
|  | } | 
|  | } | 
|  |  | 
|  | static void | 
|  | mptsas_probe_devices(MPT_ADAPTER *ioc) | 
|  | { | 
|  | u16 handle; | 
|  | struct mptsas_devinfo sas_device; | 
|  | struct mptsas_phyinfo *phy_info; | 
|  |  | 
|  | handle = 0xFFFF; | 
|  | while (!(mptsas_sas_device_pg0(ioc, &sas_device, | 
|  | MPI_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE, handle))) { | 
|  |  | 
|  | handle = sas_device.handle; | 
|  |  | 
|  | if ((sas_device.device_info & | 
|  | (MPI_SAS_DEVICE_INFO_SSP_TARGET | | 
|  | MPI_SAS_DEVICE_INFO_STP_TARGET | | 
|  | MPI_SAS_DEVICE_INFO_SATA_DEVICE)) == 0) | 
|  | continue; | 
|  |  | 
|  | /* If there is no FW B_T mapping for this device then continue | 
|  | * */ | 
|  | if (!(sas_device.flags & MPI_SAS_DEVICE0_FLAGS_DEVICE_PRESENT) | 
|  | || !(sas_device.flags & | 
|  | MPI_SAS_DEVICE0_FLAGS_DEVICE_MAPPED)) | 
|  | continue; | 
|  |  | 
|  | phy_info = mptsas_refreshing_device_handles(ioc, &sas_device); | 
|  | if (!phy_info) | 
|  | continue; | 
|  |  | 
|  | if (mptsas_get_rphy(phy_info)) | 
|  | continue; | 
|  |  | 
|  | mptsas_add_end_device(ioc, phy_info); | 
|  | } | 
|  | } | 
|  |  | 
|  | /** | 
|  | *	mptsas_scan_sas_topology - | 
|  | *	@ioc: Pointer to MPT_ADAPTER structure | 
|  | *	@sas_address: | 
|  | * | 
|  | **/ | 
|  | static void | 
|  | mptsas_scan_sas_topology(MPT_ADAPTER *ioc) | 
|  | { | 
|  | struct scsi_device *sdev; | 
|  | int i; | 
|  |  | 
|  | mptsas_probe_hba_phys(ioc); | 
|  | mptsas_probe_expanders(ioc); | 
|  | mptsas_probe_devices(ioc); | 
|  |  | 
|  | /* | 
|  | Reporting RAID volumes. | 
|  | */ | 
|  | if (!ioc->ir_firmware || !ioc->raid_data.pIocPg2 || | 
|  | !ioc->raid_data.pIocPg2->NumActiveVolumes) | 
|  | return; | 
|  | for (i = 0; i < ioc->raid_data.pIocPg2->NumActiveVolumes; i++) { | 
|  | sdev = scsi_device_lookup(ioc->sh, MPTSAS_RAID_CHANNEL, | 
|  | ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID, 0); | 
|  | if (sdev) { | 
|  | scsi_device_put(sdev); | 
|  | continue; | 
|  | } | 
|  | printk(MYIOC_s_INFO_FMT "attaching raid volume, channel %d, " | 
|  | "id %d\n", ioc->name, MPTSAS_RAID_CHANNEL, | 
|  | ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID); | 
|  | scsi_add_device(ioc->sh, MPTSAS_RAID_CHANNEL, | 
|  | ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID, 0); | 
|  | } | 
|  | } | 
|  |  | 
|  |  | 
|  | static void | 
|  | mptsas_handle_queue_full_event(struct fw_event_work *fw_event) | 
|  | { | 
|  | MPT_ADAPTER *ioc; | 
|  | EventDataQueueFull_t *qfull_data; | 
|  | struct mptsas_device_info *sas_info; | 
|  | struct scsi_device	*sdev; | 
|  | int depth; | 
|  | int id = -1; | 
|  | int channel = -1; | 
|  | int fw_id, fw_channel; | 
|  | u16 current_depth; | 
|  |  | 
|  |  | 
|  | ioc = fw_event->ioc; | 
|  | qfull_data = (EventDataQueueFull_t *)fw_event->event_data; | 
|  | fw_id = qfull_data->TargetID; | 
|  | fw_channel = qfull_data->Bus; | 
|  | current_depth = le16_to_cpu(qfull_data->CurrentDepth); | 
|  |  | 
|  | /* if hidden raid component, look for the volume id */ | 
|  | mutex_lock(&ioc->sas_device_info_mutex); | 
|  | if (mptscsih_is_phys_disk(ioc, fw_channel, fw_id)) { | 
|  | list_for_each_entry(sas_info, &ioc->sas_device_info_list, | 
|  | list) { | 
|  | if (sas_info->is_cached || | 
|  | sas_info->is_logical_volume) | 
|  | continue; | 
|  | if (sas_info->is_hidden_raid_component && | 
|  | (sas_info->fw.channel == fw_channel && | 
|  | sas_info->fw.id == fw_id)) { | 
|  | id = sas_info->volume_id; | 
|  | channel = MPTSAS_RAID_CHANNEL; | 
|  | goto out; | 
|  | } | 
|  | } | 
|  | } else { | 
|  | list_for_each_entry(sas_info, &ioc->sas_device_info_list, | 
|  | list) { | 
|  | if (sas_info->is_cached || | 
|  | sas_info->is_hidden_raid_component || | 
|  | sas_info->is_logical_volume) | 
|  | continue; | 
|  | if (sas_info->fw.channel == fw_channel && | 
|  | sas_info->fw.id == fw_id) { | 
|  | id = sas_info->os.id; | 
|  | channel = sas_info->os.channel; | 
|  | goto out; | 
|  | } | 
|  | } | 
|  |  | 
|  | } | 
|  |  | 
|  | out: | 
|  | mutex_unlock(&ioc->sas_device_info_mutex); | 
|  |  | 
|  | if (id != -1) { | 
|  | shost_for_each_device(sdev, ioc->sh) { | 
|  | if (sdev->id == id && sdev->channel == channel) { | 
|  | if (current_depth > sdev->queue_depth) { | 
|  | sdev_printk(KERN_INFO, sdev, | 
|  | "strange observation, the queue " | 
|  | "depth is (%d) meanwhile fw queue " | 
|  | "depth (%d)\n", sdev->queue_depth, | 
|  | current_depth); | 
|  | continue; | 
|  | } | 
|  | depth = scsi_track_queue_full(sdev, | 
|  | current_depth - 1); | 
|  | if (depth > 0) | 
|  | sdev_printk(KERN_INFO, sdev, | 
|  | "Queue depth reduced to (%d)\n", | 
|  | depth); | 
|  | else if (depth < 0) | 
|  | sdev_printk(KERN_INFO, sdev, | 
|  | "Tagged Command Queueing is being " | 
|  | "disabled\n"); | 
|  | else if (depth == 0) | 
|  | sdev_printk(KERN_INFO, sdev, | 
|  | "Queue depth not changed yet\n"); | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | mptsas_free_fw_event(ioc, fw_event); | 
|  | } | 
|  |  | 
|  |  | 
|  | static struct mptsas_phyinfo * | 
|  | mptsas_find_phyinfo_by_sas_address(MPT_ADAPTER *ioc, u64 sas_address) | 
|  | { | 
|  | struct mptsas_portinfo *port_info; | 
|  | struct mptsas_phyinfo *phy_info = NULL; | 
|  | int i; | 
|  |  | 
|  | mutex_lock(&ioc->sas_topology_mutex); | 
|  | list_for_each_entry(port_info, &ioc->sas_topology, list) { | 
|  | for (i = 0; i < port_info->num_phys; i++) { | 
|  | if (!mptsas_is_end_device( | 
|  | &port_info->phy_info[i].attached)) | 
|  | continue; | 
|  | if (port_info->phy_info[i].attached.sas_address | 
|  | != sas_address) | 
|  | continue; | 
|  | phy_info = &port_info->phy_info[i]; | 
|  | break; | 
|  | } | 
|  | } | 
|  | mutex_unlock(&ioc->sas_topology_mutex); | 
|  | return phy_info; | 
|  | } | 
|  |  | 
|  | /** | 
|  | *	mptsas_find_phyinfo_by_phys_disk_num - | 
|  | *	@ioc: Pointer to MPT_ADAPTER structure | 
|  | *	@phys_disk_num: | 
|  | *	@channel: | 
|  | *	@id: | 
|  | * | 
|  | **/ | 
|  | static struct mptsas_phyinfo * | 
|  | mptsas_find_phyinfo_by_phys_disk_num(MPT_ADAPTER *ioc, u8 phys_disk_num, | 
|  | u8 channel, u8 id) | 
|  | { | 
|  | struct mptsas_phyinfo *phy_info = NULL; | 
|  | struct mptsas_portinfo *port_info; | 
|  | RaidPhysDiskPage1_t *phys_disk = NULL; | 
|  | int num_paths; | 
|  | u64 sas_address = 0; | 
|  | int i; | 
|  |  | 
|  | phy_info = NULL; | 
|  | if (!ioc->raid_data.pIocPg3) | 
|  | return NULL; | 
|  | /* dual port support */ | 
|  | num_paths = mpt_raid_phys_disk_get_num_paths(ioc, phys_disk_num); | 
|  | if (!num_paths) | 
|  | goto out; | 
|  | phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) + | 
|  | (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL); | 
|  | if (!phys_disk) | 
|  | goto out; | 
|  | mpt_raid_phys_disk_pg1(ioc, phys_disk_num, phys_disk); | 
|  | for (i = 0; i < num_paths; i++) { | 
|  | if ((phys_disk->Path[i].Flags & 1) != 0) | 
|  | /* entry no longer valid */ | 
|  | continue; | 
|  | if ((id == phys_disk->Path[i].PhysDiskID) && | 
|  | (channel == phys_disk->Path[i].PhysDiskBus)) { | 
|  | memcpy(&sas_address, &phys_disk->Path[i].WWID, | 
|  | sizeof(u64)); | 
|  | phy_info = mptsas_find_phyinfo_by_sas_address(ioc, | 
|  | sas_address); | 
|  | goto out; | 
|  | } | 
|  | } | 
|  |  | 
|  | out: | 
|  | kfree(phys_disk); | 
|  | if (phy_info) | 
|  | return phy_info; | 
|  |  | 
|  | /* | 
|  | * Extra code to handle RAID0 case, where the sas_address is not updated | 
|  | * in phys_disk_page_1 when hotswapped | 
|  | */ | 
|  | mutex_lock(&ioc->sas_topology_mutex); | 
|  | list_for_each_entry(port_info, &ioc->sas_topology, list) { | 
|  | for (i = 0; i < port_info->num_phys && !phy_info; i++) { | 
|  | if (!mptsas_is_end_device( | 
|  | &port_info->phy_info[i].attached)) | 
|  | continue; | 
|  | if (port_info->phy_info[i].attached.phys_disk_num == ~0) | 
|  | continue; | 
|  | if ((port_info->phy_info[i].attached.phys_disk_num == | 
|  | phys_disk_num) && | 
|  | (port_info->phy_info[i].attached.id == id) && | 
|  | (port_info->phy_info[i].attached.channel == | 
|  | channel)) | 
|  | phy_info = &port_info->phy_info[i]; | 
|  | } | 
|  | } | 
|  | mutex_unlock(&ioc->sas_topology_mutex); | 
|  | return phy_info; | 
|  | } | 
|  |  | 
|  | static void | 
|  | mptsas_reprobe_lun(struct scsi_device *sdev, void *data) | 
|  | { | 
|  | int rc; | 
|  |  | 
|  | sdev->no_uld_attach = data ? 1 : 0; | 
|  | rc = scsi_device_reprobe(sdev); | 
|  | } | 
|  |  | 
|  | static void | 
|  | mptsas_reprobe_target(struct scsi_target *starget, int uld_attach) | 
|  | { | 
|  | starget_for_each_device(starget, uld_attach ? (void *)1 : NULL, | 
|  | mptsas_reprobe_lun); | 
|  | } | 
|  |  | 
|  | static void | 
|  | mptsas_adding_inactive_raid_components(MPT_ADAPTER *ioc, u8 channel, u8 id) | 
|  | { | 
|  | CONFIGPARMS			cfg; | 
|  | ConfigPageHeader_t		hdr; | 
|  | dma_addr_t			dma_handle; | 
|  | pRaidVolumePage0_t		buffer = NULL; | 
|  | RaidPhysDiskPage0_t 		phys_disk; | 
|  | int				i; | 
|  | struct mptsas_phyinfo	*phy_info; | 
|  | struct mptsas_devinfo		sas_device; | 
|  |  | 
|  | memset(&cfg, 0 , sizeof(CONFIGPARMS)); | 
|  | memset(&hdr, 0 , sizeof(ConfigPageHeader_t)); | 
|  | hdr.PageType = MPI_CONFIG_PAGETYPE_RAID_VOLUME; | 
|  | cfg.pageAddr = (channel << 8) + id; | 
|  | cfg.cfghdr.hdr = &hdr; | 
|  | cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; | 
|  | cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT; | 
|  |  | 
|  | if (mpt_config(ioc, &cfg) != 0) | 
|  | goto out; | 
|  |  | 
|  | if (!hdr.PageLength) | 
|  | goto out; | 
|  |  | 
|  | buffer = pci_alloc_consistent(ioc->pcidev, hdr.PageLength * 4, | 
|  | &dma_handle); | 
|  |  | 
|  | if (!buffer) | 
|  | goto out; | 
|  |  | 
|  | cfg.physAddr = dma_handle; | 
|  | cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; | 
|  |  | 
|  | if (mpt_config(ioc, &cfg) != 0) | 
|  | goto out; | 
|  |  | 
|  | if (!(buffer->VolumeStatus.Flags & | 
|  | MPI_RAIDVOL0_STATUS_FLAG_VOLUME_INACTIVE)) | 
|  | goto out; | 
|  |  | 
|  | if (!buffer->NumPhysDisks) | 
|  | goto out; | 
|  |  | 
|  | for (i = 0; i < buffer->NumPhysDisks; i++) { | 
|  |  | 
|  | if (mpt_raid_phys_disk_pg0(ioc, | 
|  | buffer->PhysDisk[i].PhysDiskNum, &phys_disk) != 0) | 
|  | continue; | 
|  |  | 
|  | if (mptsas_sas_device_pg0(ioc, &sas_device, | 
|  | (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID << | 
|  | MPI_SAS_DEVICE_PGAD_FORM_SHIFT), | 
|  | (phys_disk.PhysDiskBus << 8) + | 
|  | phys_disk.PhysDiskID)) | 
|  | continue; | 
|  |  | 
|  | /* If there is no FW B_T mapping for this device then continue | 
|  | * */ | 
|  | if (!(sas_device.flags & MPI_SAS_DEVICE0_FLAGS_DEVICE_PRESENT) | 
|  | || !(sas_device.flags & | 
|  | MPI_SAS_DEVICE0_FLAGS_DEVICE_MAPPED)) | 
|  | continue; | 
|  |  | 
|  |  | 
|  | phy_info = mptsas_find_phyinfo_by_sas_address(ioc, | 
|  | sas_device.sas_address); | 
|  | mptsas_add_end_device(ioc, phy_info); | 
|  | } | 
|  |  | 
|  | out: | 
|  | if (buffer) | 
|  | pci_free_consistent(ioc->pcidev, hdr.PageLength * 4, buffer, | 
|  | dma_handle); | 
|  | } | 
|  | /* | 
|  | * Work queue thread to handle SAS hotplug events | 
|  | */ | 
|  | static void | 
|  | mptsas_hotplug_work(MPT_ADAPTER *ioc, struct fw_event_work *fw_event, | 
|  | struct mptsas_hotplug_event *hot_plug_info) | 
|  | { | 
|  | struct mptsas_phyinfo *phy_info; | 
|  | struct scsi_target * starget; | 
|  | struct mptsas_devinfo sas_device; | 
|  | VirtTarget *vtarget; | 
|  | int i; | 
|  | struct mptsas_portinfo *port_info; | 
|  |  | 
|  | switch (hot_plug_info->event_type) { | 
|  |  | 
|  | case MPTSAS_ADD_PHYSDISK: | 
|  |  | 
|  | if (!ioc->raid_data.pIocPg2) | 
|  | break; | 
|  |  | 
|  | for (i = 0; i < ioc->raid_data.pIocPg2->NumActiveVolumes; i++) { | 
|  | if (ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID == | 
|  | hot_plug_info->id) { | 
|  | printk(MYIOC_s_WARN_FMT "firmware bug: unable " | 
|  | "to add hidden disk - target_id matchs " | 
|  | "volume_id\n", ioc->name); | 
|  | mptsas_free_fw_event(ioc, fw_event); | 
|  | return; | 
|  | } | 
|  | } | 
|  | mpt_findImVolumes(ioc); | 
|  |  | 
|  | case MPTSAS_ADD_DEVICE: | 
|  | memset(&sas_device, 0, sizeof(struct mptsas_devinfo)); | 
|  | mptsas_sas_device_pg0(ioc, &sas_device, | 
|  | (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID << | 
|  | MPI_SAS_DEVICE_PGAD_FORM_SHIFT), | 
|  | (hot_plug_info->channel << 8) + | 
|  | hot_plug_info->id); | 
|  |  | 
|  | /* If there is no FW B_T mapping for this device then break | 
|  | * */ | 
|  | if (!(sas_device.flags & MPI_SAS_DEVICE0_FLAGS_DEVICE_PRESENT) | 
|  | || !(sas_device.flags & | 
|  | MPI_SAS_DEVICE0_FLAGS_DEVICE_MAPPED)) | 
|  | break; | 
|  |  | 
|  | if (!sas_device.handle) | 
|  | return; | 
|  |  | 
|  | phy_info = mptsas_refreshing_device_handles(ioc, &sas_device); | 
|  | /* Only For SATA Device ADD */ | 
|  | if (!phy_info && (sas_device.device_info & | 
|  | MPI_SAS_DEVICE_INFO_SATA_DEVICE)) { | 
|  | devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT | 
|  | "%s %d SATA HOT PLUG: " | 
|  | "parent handle of device %x\n", ioc->name, | 
|  | __func__, __LINE__, sas_device.handle_parent)); | 
|  | port_info = mptsas_find_portinfo_by_handle(ioc, | 
|  | sas_device.handle_parent); | 
|  |  | 
|  | if (port_info == ioc->hba_port_info) | 
|  | mptsas_probe_hba_phys(ioc); | 
|  | else if (port_info) | 
|  | mptsas_expander_refresh(ioc, port_info); | 
|  | else { | 
|  | dfailprintk(ioc, printk(MYIOC_s_ERR_FMT | 
|  | "%s %d port info is NULL\n", | 
|  | ioc->name, __func__, __LINE__)); | 
|  | break; | 
|  | } | 
|  | phy_info = mptsas_refreshing_device_handles | 
|  | (ioc, &sas_device); | 
|  | } | 
|  |  | 
|  | if (!phy_info) { | 
|  | dfailprintk(ioc, printk(MYIOC_s_ERR_FMT | 
|  | "%s %d phy info is NULL\n", | 
|  | ioc->name, __func__, __LINE__)); | 
|  | break; | 
|  | } | 
|  |  | 
|  | if (mptsas_get_rphy(phy_info)) | 
|  | break; | 
|  |  | 
|  | mptsas_add_end_device(ioc, phy_info); | 
|  | break; | 
|  |  | 
|  | case MPTSAS_DEL_DEVICE: | 
|  | phy_info = mptsas_find_phyinfo_by_sas_address(ioc, | 
|  | hot_plug_info->sas_address); | 
|  | mptsas_del_end_device(ioc, phy_info); | 
|  | break; | 
|  |  | 
|  | case MPTSAS_DEL_PHYSDISK: | 
|  |  | 
|  | mpt_findImVolumes(ioc); | 
|  |  | 
|  | phy_info = mptsas_find_phyinfo_by_phys_disk_num( | 
|  | ioc, hot_plug_info->phys_disk_num, | 
|  | hot_plug_info->channel, | 
|  | hot_plug_info->id); | 
|  | mptsas_del_end_device(ioc, phy_info); | 
|  | break; | 
|  |  | 
|  | case MPTSAS_ADD_PHYSDISK_REPROBE: | 
|  |  | 
|  | if (mptsas_sas_device_pg0(ioc, &sas_device, | 
|  | (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID << | 
|  | MPI_SAS_DEVICE_PGAD_FORM_SHIFT), | 
|  | (hot_plug_info->channel << 8) + hot_plug_info->id)) { | 
|  | dfailprintk(ioc, printk(MYIOC_s_ERR_FMT | 
|  | "%s: fw_id=%d exit at line=%d\n", ioc->name, | 
|  | __func__, hot_plug_info->id, __LINE__)); | 
|  | break; | 
|  | } | 
|  |  | 
|  | /* If there is no FW B_T mapping for this device then break | 
|  | * */ | 
|  | if (!(sas_device.flags & MPI_SAS_DEVICE0_FLAGS_DEVICE_PRESENT) | 
|  | || !(sas_device.flags & | 
|  | MPI_SAS_DEVICE0_FLAGS_DEVICE_MAPPED)) | 
|  | break; | 
|  |  | 
|  | phy_info = mptsas_find_phyinfo_by_sas_address( | 
|  | ioc, sas_device.sas_address); | 
|  |  | 
|  | if (!phy_info) { | 
|  | dfailprintk(ioc, printk(MYIOC_s_ERR_FMT | 
|  | "%s: fw_id=%d exit at line=%d\n", ioc->name, | 
|  | __func__, hot_plug_info->id, __LINE__)); | 
|  | break; | 
|  | } | 
|  |  | 
|  | starget = mptsas_get_starget(phy_info); | 
|  | if (!starget) { | 
|  | dfailprintk(ioc, printk(MYIOC_s_ERR_FMT | 
|  | "%s: fw_id=%d exit at line=%d\n", ioc->name, | 
|  | __func__, hot_plug_info->id, __LINE__)); | 
|  | break; | 
|  | } | 
|  |  | 
|  | vtarget = starget->hostdata; | 
|  | if (!vtarget) { | 
|  | dfailprintk(ioc, printk(MYIOC_s_ERR_FMT | 
|  | "%s: fw_id=%d exit at line=%d\n", ioc->name, | 
|  | __func__, hot_plug_info->id, __LINE__)); | 
|  | break; | 
|  | } | 
|  |  | 
|  | mpt_findImVolumes(ioc); | 
|  |  | 
|  | starget_printk(KERN_INFO, starget, MYIOC_s_FMT "RAID Hidding: " | 
|  | "fw_channel=%d, fw_id=%d, physdsk %d, sas_addr 0x%llx\n", | 
|  | ioc->name, hot_plug_info->channel, hot_plug_info->id, | 
|  | hot_plug_info->phys_disk_num, (unsigned long long) | 
|  | sas_device.sas_address); | 
|  |  | 
|  | vtarget->id = hot_plug_info->phys_disk_num; | 
|  | vtarget->tflags |= MPT_TARGET_FLAGS_RAID_COMPONENT; | 
|  | phy_info->attached.phys_disk_num = hot_plug_info->phys_disk_num; | 
|  | mptsas_reprobe_target(starget, 1); | 
|  | break; | 
|  |  | 
|  | case MPTSAS_DEL_PHYSDISK_REPROBE: | 
|  |  | 
|  | if (mptsas_sas_device_pg0(ioc, &sas_device, | 
|  | (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID << | 
|  | MPI_SAS_DEVICE_PGAD_FORM_SHIFT), | 
|  | (hot_plug_info->channel << 8) + hot_plug_info->id)) { | 
|  | dfailprintk(ioc, printk(MYIOC_s_ERR_FMT | 
|  | "%s: fw_id=%d exit at line=%d\n", | 
|  | ioc->name, __func__, | 
|  | hot_plug_info->id, __LINE__)); | 
|  | break; | 
|  | } | 
|  |  | 
|  | /* If there is no FW B_T mapping for this device then break | 
|  | * */ | 
|  | if (!(sas_device.flags & MPI_SAS_DEVICE0_FLAGS_DEVICE_PRESENT) | 
|  | || !(sas_device.flags & | 
|  | MPI_SAS_DEVICE0_FLAGS_DEVICE_MAPPED)) | 
|  | break; | 
|  |  | 
|  | phy_info = mptsas_find_phyinfo_by_sas_address(ioc, | 
|  | sas_device.sas_address); | 
|  | if (!phy_info) { | 
|  | dfailprintk(ioc, printk(MYIOC_s_ERR_FMT | 
|  | "%s: fw_id=%d exit at line=%d\n", ioc->name, | 
|  | __func__, hot_plug_info->id, __LINE__)); | 
|  | break; | 
|  | } | 
|  |  | 
|  | starget = mptsas_get_starget(phy_info); | 
|  | if (!starget) { | 
|  | dfailprintk(ioc, printk(MYIOC_s_ERR_FMT | 
|  | "%s: fw_id=%d exit at line=%d\n", ioc->name, | 
|  | __func__, hot_plug_info->id, __LINE__)); | 
|  | break; | 
|  | } | 
|  |  | 
|  | vtarget = starget->hostdata; | 
|  | if (!vtarget) { | 
|  | dfailprintk(ioc, printk(MYIOC_s_ERR_FMT | 
|  | "%s: fw_id=%d exit at line=%d\n", ioc->name, | 
|  | __func__, hot_plug_info->id, __LINE__)); | 
|  | break; | 
|  | } | 
|  |  | 
|  | if (!(vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)) { | 
|  | dfailprintk(ioc, printk(MYIOC_s_ERR_FMT | 
|  | "%s: fw_id=%d exit at line=%d\n", ioc->name, | 
|  | __func__, hot_plug_info->id, __LINE__)); | 
|  | break; | 
|  | } | 
|  |  | 
|  | mpt_findImVolumes(ioc); | 
|  |  | 
|  | starget_printk(KERN_INFO, starget, MYIOC_s_FMT "RAID Exposing:" | 
|  | " fw_channel=%d, fw_id=%d, physdsk %d, sas_addr 0x%llx\n", | 
|  | ioc->name, hot_plug_info->channel, hot_plug_info->id, | 
|  | hot_plug_info->phys_disk_num, (unsigned long long) | 
|  | sas_device.sas_address); | 
|  |  | 
|  | vtarget->tflags &= ~MPT_TARGET_FLAGS_RAID_COMPONENT; | 
|  | vtarget->id = hot_plug_info->id; | 
|  | phy_info->attached.phys_disk_num = ~0; | 
|  | mptsas_reprobe_target(starget, 0); | 
|  | mptsas_add_device_component_by_fw(ioc, | 
|  | hot_plug_info->channel, hot_plug_info->id); | 
|  | break; | 
|  |  | 
|  | case MPTSAS_ADD_RAID: | 
|  |  | 
|  | mpt_findImVolumes(ioc); | 
|  | printk(MYIOC_s_INFO_FMT "attaching raid volume, channel %d, " | 
|  | "id %d\n", ioc->name, MPTSAS_RAID_CHANNEL, | 
|  | hot_plug_info->id); | 
|  | scsi_add_device(ioc->sh, MPTSAS_RAID_CHANNEL, | 
|  | hot_plug_info->id, 0); | 
|  | break; | 
|  |  | 
|  | case MPTSAS_DEL_RAID: | 
|  |  | 
|  | mpt_findImVolumes(ioc); | 
|  | printk(MYIOC_s_INFO_FMT "removing raid volume, channel %d, " | 
|  | "id %d\n", ioc->name, MPTSAS_RAID_CHANNEL, | 
|  | hot_plug_info->id); | 
|  | scsi_remove_device(hot_plug_info->sdev); | 
|  | scsi_device_put(hot_plug_info->sdev); | 
|  | break; | 
|  |  | 
|  | case MPTSAS_ADD_INACTIVE_VOLUME: | 
|  |  | 
|  | mpt_findImVolumes(ioc); | 
|  | mptsas_adding_inactive_raid_components(ioc, | 
|  | hot_plug_info->channel, hot_plug_info->id); | 
|  | break; | 
|  |  | 
|  | default: | 
|  | break; | 
|  | } | 
|  |  | 
|  | mptsas_free_fw_event(ioc, fw_event); | 
|  | } | 
|  |  | 
|  | static void | 
|  | mptsas_send_sas_event(struct fw_event_work *fw_event) | 
|  | { | 
|  | MPT_ADAPTER *ioc; | 
|  | struct mptsas_hotplug_event hot_plug_info; | 
|  | EVENT_DATA_SAS_DEVICE_STATUS_CHANGE *sas_event_data; | 
|  | u32 device_info; | 
|  | u64 sas_address; | 
|  |  | 
|  | ioc = fw_event->ioc; | 
|  | sas_event_data = (EVENT_DATA_SAS_DEVICE_STATUS_CHANGE *) | 
|  | fw_event->event_data; | 
|  | device_info = le32_to_cpu(sas_event_data->DeviceInfo); | 
|  |  | 
|  | if ((device_info & | 
|  | (MPI_SAS_DEVICE_INFO_SSP_TARGET | | 
|  | MPI_SAS_DEVICE_INFO_STP_TARGET | | 
|  | MPI_SAS_DEVICE_INFO_SATA_DEVICE)) == 0) { | 
|  | mptsas_free_fw_event(ioc, fw_event); | 
|  | return; | 
|  | } | 
|  |  | 
|  | if (sas_event_data->ReasonCode == | 
|  | MPI_EVENT_SAS_DEV_STAT_RC_NO_PERSIST_ADDED) { | 
|  | mptbase_sas_persist_operation(ioc, | 
|  | MPI_SAS_OP_CLEAR_NOT_PRESENT); | 
|  | mptsas_free_fw_event(ioc, fw_event); | 
|  | return; | 
|  | } | 
|  |  | 
|  | switch (sas_event_data->ReasonCode) { | 
|  | case MPI_EVENT_SAS_DEV_STAT_RC_NOT_RESPONDING: | 
|  | case MPI_EVENT_SAS_DEV_STAT_RC_ADDED: | 
|  | memset(&hot_plug_info, 0, sizeof(struct mptsas_hotplug_event)); | 
|  | hot_plug_info.handle = le16_to_cpu(sas_event_data->DevHandle); | 
|  | hot_plug_info.channel = sas_event_data->Bus; | 
|  | hot_plug_info.id = sas_event_data->TargetID; | 
|  | hot_plug_info.phy_id = sas_event_data->PhyNum; | 
|  | memcpy(&sas_address, &sas_event_data->SASAddress, | 
|  | sizeof(u64)); | 
|  | hot_plug_info.sas_address = le64_to_cpu(sas_address); | 
|  | hot_plug_info.device_info = device_info; | 
|  | if (sas_event_data->ReasonCode & | 
|  | MPI_EVENT_SAS_DEV_STAT_RC_ADDED) | 
|  | hot_plug_info.event_type = MPTSAS_ADD_DEVICE; | 
|  | else | 
|  | hot_plug_info.event_type = MPTSAS_DEL_DEVICE; | 
|  | mptsas_hotplug_work(ioc, fw_event, &hot_plug_info); | 
|  | break; | 
|  |  | 
|  | case MPI_EVENT_SAS_DEV_STAT_RC_NO_PERSIST_ADDED: | 
|  | mptbase_sas_persist_operation(ioc, | 
|  | MPI_SAS_OP_CLEAR_NOT_PRESENT); | 
|  | mptsas_free_fw_event(ioc, fw_event); | 
|  | break; | 
|  |  | 
|  | case MPI_EVENT_SAS_DEV_STAT_RC_SMART_DATA: | 
|  | /* TODO */ | 
|  | case MPI_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET: | 
|  | /* TODO */ | 
|  | default: | 
|  | mptsas_free_fw_event(ioc, fw_event); | 
|  | break; | 
|  | } | 
|  | } | 
|  |  | 
|  | static void | 
|  | mptsas_send_raid_event(struct fw_event_work *fw_event) | 
|  | { | 
|  | MPT_ADAPTER *ioc; | 
|  | EVENT_DATA_RAID *raid_event_data; | 
|  | struct mptsas_hotplug_event hot_plug_info; | 
|  | int status; | 
|  | int state; | 
|  | struct scsi_device *sdev = NULL; | 
|  | VirtDevice *vdevice = NULL; | 
|  | RaidPhysDiskPage0_t phys_disk; | 
|  |  | 
|  | ioc = fw_event->ioc; | 
|  | raid_event_data = (EVENT_DATA_RAID *)fw_event->event_data; | 
|  | status = le32_to_cpu(raid_event_data->SettingsStatus); | 
|  | state = (status >> 8) & 0xff; | 
|  |  | 
|  | memset(&hot_plug_info, 0, sizeof(struct mptsas_hotplug_event)); | 
|  | hot_plug_info.id = raid_event_data->VolumeID; | 
|  | hot_plug_info.channel = raid_event_data->VolumeBus; | 
|  | hot_plug_info.phys_disk_num = raid_event_data->PhysDiskNum; | 
|  |  | 
|  | if (raid_event_data->ReasonCode == MPI_EVENT_RAID_RC_VOLUME_DELETED || | 
|  | raid_event_data->ReasonCode == MPI_EVENT_RAID_RC_VOLUME_CREATED || | 
|  | raid_event_data->ReasonCode == | 
|  | MPI_EVENT_RAID_RC_VOLUME_STATUS_CHANGED) { | 
|  | sdev = scsi_device_lookup(ioc->sh, MPTSAS_RAID_CHANNEL, | 
|  | hot_plug_info.id, 0); | 
|  | hot_plug_info.sdev = sdev; | 
|  | if (sdev) | 
|  | vdevice = sdev->hostdata; | 
|  | } | 
|  |  | 
|  | devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Entering %s: " | 
|  | "ReasonCode=%02x\n", ioc->name, __func__, | 
|  | raid_event_data->ReasonCode)); | 
|  |  | 
|  | switch (raid_event_data->ReasonCode) { | 
|  | case MPI_EVENT_RAID_RC_PHYSDISK_DELETED: | 
|  | hot_plug_info.event_type = MPTSAS_DEL_PHYSDISK_REPROBE; | 
|  | break; | 
|  | case MPI_EVENT_RAID_RC_PHYSDISK_CREATED: | 
|  | hot_plug_info.event_type = MPTSAS_ADD_PHYSDISK_REPROBE; | 
|  | break; | 
|  | case MPI_EVENT_RAID_RC_PHYSDISK_STATUS_CHANGED: | 
|  | switch (state) { | 
|  | case MPI_PD_STATE_ONLINE: | 
|  | case MPI_PD_STATE_NOT_COMPATIBLE: | 
|  | mpt_raid_phys_disk_pg0(ioc, | 
|  | raid_event_data->PhysDiskNum, &phys_disk); | 
|  | hot_plug_info.id = phys_disk.PhysDiskID; | 
|  | hot_plug_info.channel = phys_disk.PhysDiskBus; | 
|  | hot_plug_info.event_type = MPTSAS_ADD_PHYSDISK; | 
|  | break; | 
|  | case MPI_PD_STATE_FAILED: | 
|  | case MPI_PD_STATE_MISSING: | 
|  | case MPI_PD_STATE_OFFLINE_AT_HOST_REQUEST: | 
|  | case MPI_PD_STATE_FAILED_AT_HOST_REQUEST: | 
|  | case MPI_PD_STATE_OFFLINE_FOR_ANOTHER_REASON: | 
|  | hot_plug_info.event_type = MPTSAS_DEL_PHYSDISK; | 
|  | break; | 
|  | default: | 
|  | break; | 
|  | } | 
|  | break; | 
|  | case MPI_EVENT_RAID_RC_VOLUME_DELETED: | 
|  | if (!sdev) | 
|  | break; | 
|  | vdevice->vtarget->deleted = 1; /* block IO */ | 
|  | hot_plug_info.event_type = MPTSAS_DEL_RAID; | 
|  | break; | 
|  | case MPI_EVENT_RAID_RC_VOLUME_CREATED: | 
|  | if (sdev) { | 
|  | scsi_device_put(sdev); | 
|  | break; | 
|  | } | 
|  | hot_plug_info.event_type = MPTSAS_ADD_RAID; | 
|  | break; | 
|  | case MPI_EVENT_RAID_RC_VOLUME_STATUS_CHANGED: | 
|  | if (!(status & MPI_RAIDVOL0_STATUS_FLAG_ENABLED)) { | 
|  | if (!sdev) | 
|  | break; | 
|  | vdevice->vtarget->deleted = 1; /* block IO */ | 
|  | hot_plug_info.event_type = MPTSAS_DEL_RAID; | 
|  | break; | 
|  | } | 
|  | switch (state) { | 
|  | case MPI_RAIDVOL0_STATUS_STATE_FAILED: | 
|  | case MPI_RAIDVOL0_STATUS_STATE_MISSING: | 
|  | if (!sdev) | 
|  | break; | 
|  | vdevice->vtarget->deleted = 1; /* block IO */ | 
|  | hot_plug_info.event_type = MPTSAS_DEL_RAID; | 
|  | break; | 
|  | case MPI_RAIDVOL0_STATUS_STATE_OPTIMAL: | 
|  | case MPI_RAIDVOL0_STATUS_STATE_DEGRADED: | 
|  | if (sdev) { | 
|  | scsi_device_put(sdev); | 
|  | break; | 
|  | } | 
|  | hot_plug_info.event_type = MPTSAS_ADD_RAID; | 
|  | break; | 
|  | default: | 
|  | break; | 
|  | } | 
|  | break; | 
|  | default: | 
|  | break; | 
|  | } | 
|  |  | 
|  | if (hot_plug_info.event_type != MPTSAS_IGNORE_EVENT) | 
|  | mptsas_hotplug_work(ioc, fw_event, &hot_plug_info); | 
|  | else | 
|  | mptsas_free_fw_event(ioc, fw_event); | 
|  | } | 
|  |  | 
|  | /** | 
|  | *	mptsas_issue_tm - send mptsas internal tm request | 
|  | *	@ioc: Pointer to MPT_ADAPTER structure | 
|  | *	@type: Task Management type | 
|  | *	@channel: channel number for task management | 
|  | *	@id: Logical Target ID for reset (if appropriate) | 
|  | *	@lun: Logical unit for reset (if appropriate) | 
|  | *	@task_context: Context for the task to be aborted | 
|  | *	@timeout: timeout for task management control | 
|  | * | 
|  | *	return 0 on success and -1 on failure: | 
|  | * | 
|  | */ | 
|  | static int | 
|  | mptsas_issue_tm(MPT_ADAPTER *ioc, u8 type, u8 channel, u8 id, u64 lun, | 
|  | int task_context, ulong timeout, u8 *issue_reset) | 
|  | { | 
|  | MPT_FRAME_HDR	*mf; | 
|  | SCSITaskMgmt_t	*pScsiTm; | 
|  | int		 retval; | 
|  | unsigned long	 timeleft; | 
|  |  | 
|  | *issue_reset = 0; | 
|  | mf = mpt_get_msg_frame(mptsasDeviceResetCtx, ioc); | 
|  | if (mf == NULL) { | 
|  | retval = -1; /* return failure */ | 
|  | dtmprintk(ioc, printk(MYIOC_s_WARN_FMT "TaskMgmt request: no " | 
|  | "msg frames!!\n", ioc->name)); | 
|  | goto out; | 
|  | } | 
|  |  | 
|  | dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt request: mr = %p, " | 
|  | "task_type = 0x%02X,\n\t timeout = %ld, fw_channel = %d, " | 
|  | "fw_id = %d, lun = %lld,\n\t task_context = 0x%x\n", ioc->name, mf, | 
|  | type, timeout, channel, id, (unsigned long long)lun, | 
|  | task_context)); | 
|  |  | 
|  | pScsiTm = (SCSITaskMgmt_t *) mf; | 
|  | memset(pScsiTm, 0, sizeof(SCSITaskMgmt_t)); | 
|  | pScsiTm->Function = MPI_FUNCTION_SCSI_TASK_MGMT; | 
|  | pScsiTm->TaskType = type; | 
|  | pScsiTm->MsgFlags = 0; | 
|  | pScsiTm->TargetID = id; | 
|  | pScsiTm->Bus = channel; | 
|  | pScsiTm->ChainOffset = 0; | 
|  | pScsiTm->Reserved = 0; | 
|  | pScsiTm->Reserved1 = 0; | 
|  | pScsiTm->TaskMsgContext = task_context; | 
|  | int_to_scsilun(lun, (struct scsi_lun *)pScsiTm->LUN); | 
|  |  | 
|  | INITIALIZE_MGMT_STATUS(ioc->taskmgmt_cmds.status) | 
|  | CLEAR_MGMT_STATUS(ioc->internal_cmds.status) | 
|  | retval = 0; | 
|  | mpt_put_msg_frame_hi_pri(mptsasDeviceResetCtx, ioc, mf); | 
|  |  | 
|  | /* Now wait for the command to complete */ | 
|  | timeleft = wait_for_completion_timeout(&ioc->taskmgmt_cmds.done, | 
|  | timeout*HZ); | 
|  | if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) { | 
|  | retval = -1; /* return failure */ | 
|  | dtmprintk(ioc, printk(MYIOC_s_ERR_FMT | 
|  | "TaskMgmt request: TIMED OUT!(mr=%p)\n", ioc->name, mf)); | 
|  | mpt_free_msg_frame(ioc, mf); | 
|  | if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) | 
|  | goto out; | 
|  | *issue_reset = 1; | 
|  | goto out; | 
|  | } | 
|  |  | 
|  | if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_RF_VALID)) { | 
|  | retval = -1; /* return failure */ | 
|  | dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT | 
|  | "TaskMgmt request: failed with no reply\n", ioc->name)); | 
|  | goto out; | 
|  | } | 
|  |  | 
|  | out: | 
|  | CLEAR_MGMT_STATUS(ioc->taskmgmt_cmds.status) | 
|  | return retval; | 
|  | } | 
|  |  | 
|  | /** | 
|  | *	mptsas_broadcast_primative_work - Handle broadcast primitives | 
|  | *	@work: work queue payload containing info describing the event | 
|  | * | 
|  | *	this will be handled in workqueue context. | 
|  | */ | 
|  | static void | 
|  | mptsas_broadcast_primative_work(struct fw_event_work *fw_event) | 
|  | { | 
|  | MPT_ADAPTER *ioc = fw_event->ioc; | 
|  | MPT_FRAME_HDR	*mf; | 
|  | VirtDevice	*vdevice; | 
|  | int			ii; | 
|  | struct scsi_cmnd	*sc; | 
|  | SCSITaskMgmtReply_t	*pScsiTmReply; | 
|  | u8			issue_reset; | 
|  | int			task_context; | 
|  | u8			channel, id; | 
|  | int			 lun; | 
|  | u32			 termination_count; | 
|  | u32			 query_count; | 
|  |  | 
|  | dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT | 
|  | "%s - enter\n", ioc->name, __func__)); | 
|  |  | 
|  | mutex_lock(&ioc->taskmgmt_cmds.mutex); | 
|  | if (mpt_set_taskmgmt_in_progress_flag(ioc) != 0) { | 
|  | mutex_unlock(&ioc->taskmgmt_cmds.mutex); | 
|  | mptsas_requeue_fw_event(ioc, fw_event, 1000); | 
|  | return; | 
|  | } | 
|  |  | 
|  | issue_reset = 0; | 
|  | termination_count = 0; | 
|  | query_count = 0; | 
|  | mpt_findImVolumes(ioc); | 
|  | pScsiTmReply = (SCSITaskMgmtReply_t *) ioc->taskmgmt_cmds.reply; | 
|  |  | 
|  | for (ii = 0; ii < ioc->req_depth; ii++) { | 
|  | if (ioc->fw_events_off) | 
|  | goto out; | 
|  | sc = mptscsih_get_scsi_lookup(ioc, ii); | 
|  | if (!sc) | 
|  | continue; | 
|  | mf = MPT_INDEX_2_MFPTR(ioc, ii); | 
|  | if (!mf) | 
|  | continue; | 
|  | task_context = mf->u.frame.hwhdr.msgctxu.MsgContext; | 
|  | vdevice = sc->device->hostdata; | 
|  | if (!vdevice || !vdevice->vtarget) | 
|  | continue; | 
|  | if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) | 
|  | continue; /* skip hidden raid components */ | 
|  | if (vdevice->vtarget->raidVolume) | 
|  | continue; /* skip hidden raid components */ | 
|  | channel = vdevice->vtarget->channel; | 
|  | id = vdevice->vtarget->id; | 
|  | lun = vdevice->lun; | 
|  | if (mptsas_issue_tm(ioc, MPI_SCSITASKMGMT_TASKTYPE_QUERY_TASK, | 
|  | channel, id, (u64)lun, task_context, 30, &issue_reset)) | 
|  | goto out; | 
|  | query_count++; | 
|  | termination_count += | 
|  | le32_to_cpu(pScsiTmReply->TerminationCount); | 
|  | if ((pScsiTmReply->IOCStatus == MPI_IOCSTATUS_SUCCESS) && | 
|  | (pScsiTmReply->ResponseCode == | 
|  | MPI_SCSITASKMGMT_RSP_TM_SUCCEEDED || | 
|  | pScsiTmReply->ResponseCode == | 
|  | MPI_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC)) | 
|  | continue; | 
|  | if (mptsas_issue_tm(ioc, | 
|  | MPI_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET, | 
|  | channel, id, (u64)lun, 0, 30, &issue_reset)) | 
|  | goto out; | 
|  | termination_count += | 
|  | le32_to_cpu(pScsiTmReply->TerminationCount); | 
|  | } | 
|  |  | 
|  | out: | 
|  | dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT | 
|  | "%s - exit, query_count = %d termination_count = %d\n", | 
|  | ioc->name, __func__, query_count, termination_count)); | 
|  |  | 
|  | ioc->broadcast_aen_busy = 0; | 
|  | mpt_clear_taskmgmt_in_progress_flag(ioc); | 
|  | mutex_unlock(&ioc->taskmgmt_cmds.mutex); | 
|  |  | 
|  | if (issue_reset) { | 
|  | printk(MYIOC_s_WARN_FMT | 
|  | "Issuing Reset from %s!! doorbell=0x%08x\n", | 
|  | ioc->name, __func__, mpt_GetIocState(ioc, 0)); | 
|  | mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP); | 
|  | } | 
|  | mptsas_free_fw_event(ioc, fw_event); | 
|  | } | 
|  |  | 
|  | /* | 
|  | * mptsas_send_ir2_event - handle exposing hidden disk when | 
|  | * an inactive raid volume is added | 
|  | * | 
|  | * @ioc: Pointer to MPT_ADAPTER structure | 
|  | * @ir2_data | 
|  | * | 
|  | */ | 
|  | static void | 
|  | mptsas_send_ir2_event(struct fw_event_work *fw_event) | 
|  | { | 
|  | MPT_ADAPTER	*ioc; | 
|  | struct mptsas_hotplug_event hot_plug_info; | 
|  | MPI_EVENT_DATA_IR2	*ir2_data; | 
|  | u8 reasonCode; | 
|  | RaidPhysDiskPage0_t phys_disk; | 
|  |  | 
|  | ioc = fw_event->ioc; | 
|  | ir2_data = (MPI_EVENT_DATA_IR2 *)fw_event->event_data; | 
|  | reasonCode = ir2_data->ReasonCode; | 
|  |  | 
|  | devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Entering %s: " | 
|  | "ReasonCode=%02x\n", ioc->name, __func__, reasonCode)); | 
|  |  | 
|  | memset(&hot_plug_info, 0, sizeof(struct mptsas_hotplug_event)); | 
|  | hot_plug_info.id = ir2_data->TargetID; | 
|  | hot_plug_info.channel = ir2_data->Bus; | 
|  | switch (reasonCode) { | 
|  | case MPI_EVENT_IR2_RC_FOREIGN_CFG_DETECTED: | 
|  | hot_plug_info.event_type = MPTSAS_ADD_INACTIVE_VOLUME; | 
|  | break; | 
|  | case MPI_EVENT_IR2_RC_DUAL_PORT_REMOVED: | 
|  | hot_plug_info.phys_disk_num = ir2_data->PhysDiskNum; | 
|  | hot_plug_info.event_type = MPTSAS_DEL_PHYSDISK; | 
|  | break; | 
|  | case MPI_EVENT_IR2_RC_DUAL_PORT_ADDED: | 
|  | hot_plug_info.phys_disk_num = ir2_data->PhysDiskNum; | 
|  | mpt_raid_phys_disk_pg0(ioc, | 
|  | ir2_data->PhysDiskNum, &phys_disk); | 
|  | hot_plug_info.id = phys_disk.PhysDiskID; | 
|  | hot_plug_info.event_type = MPTSAS_ADD_PHYSDISK; | 
|  | break; | 
|  | default: | 
|  | mptsas_free_fw_event(ioc, fw_event); | 
|  | return; | 
|  | } | 
|  | mptsas_hotplug_work(ioc, fw_event, &hot_plug_info); | 
|  | } | 
|  |  | 
|  | static int | 
|  | mptsas_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *reply) | 
|  | { | 
|  | u32 event = le32_to_cpu(reply->Event); | 
|  | int sz, event_data_sz; | 
|  | struct fw_event_work *fw_event; | 
|  | unsigned long delay; | 
|  |  | 
|  | if (ioc->bus_type != SAS) | 
|  | return 0; | 
|  |  | 
|  | /* events turned off due to host reset or driver unloading */ | 
|  | if (ioc->fw_events_off) | 
|  | return 0; | 
|  |  | 
|  | delay = msecs_to_jiffies(1); | 
|  | switch (event) { | 
|  | case MPI_EVENT_SAS_BROADCAST_PRIMITIVE: | 
|  | { | 
|  | EVENT_DATA_SAS_BROADCAST_PRIMITIVE *broadcast_event_data = | 
|  | (EVENT_DATA_SAS_BROADCAST_PRIMITIVE *)reply->Data; | 
|  | if (broadcast_event_data->Primitive != | 
|  | MPI_EVENT_PRIMITIVE_ASYNCHRONOUS_EVENT) | 
|  | return 0; | 
|  | if (ioc->broadcast_aen_busy) | 
|  | return 0; | 
|  | ioc->broadcast_aen_busy = 1; | 
|  | break; | 
|  | } | 
|  | case MPI_EVENT_SAS_DEVICE_STATUS_CHANGE: | 
|  | { | 
|  | EVENT_DATA_SAS_DEVICE_STATUS_CHANGE *sas_event_data = | 
|  | (EVENT_DATA_SAS_DEVICE_STATUS_CHANGE *)reply->Data; | 
|  | u16	ioc_stat; | 
|  | ioc_stat = le16_to_cpu(reply->IOCStatus); | 
|  |  | 
|  | if (sas_event_data->ReasonCode == | 
|  | MPI_EVENT_SAS_DEV_STAT_RC_NOT_RESPONDING) { | 
|  | mptsas_target_reset_queue(ioc, sas_event_data); | 
|  | return 0; | 
|  | } | 
|  | if (sas_event_data->ReasonCode == | 
|  | MPI_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET && | 
|  | ioc->device_missing_delay && | 
|  | (ioc_stat & MPI_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE)) { | 
|  | VirtTarget *vtarget = NULL; | 
|  | u8		id, channel; | 
|  |  | 
|  | id = sas_event_data->TargetID; | 
|  | channel = sas_event_data->Bus; | 
|  |  | 
|  | vtarget = mptsas_find_vtarget(ioc, channel, id); | 
|  | if (vtarget) { | 
|  | devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT | 
|  | "LogInfo (0x%x) available for " | 
|  | "INTERNAL_DEVICE_RESET" | 
|  | "fw_id %d fw_channel %d\n", ioc->name, | 
|  | le32_to_cpu(reply->IOCLogInfo), | 
|  | id, channel)); | 
|  | if (vtarget->raidVolume) { | 
|  | devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT | 
|  | "Skipping Raid Volume for inDMD\n", | 
|  | ioc->name)); | 
|  | } else { | 
|  | devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT | 
|  | "Setting device flag inDMD\n", | 
|  | ioc->name)); | 
|  | vtarget->inDMD = 1; | 
|  | } | 
|  |  | 
|  | } | 
|  |  | 
|  | } | 
|  |  | 
|  | break; | 
|  | } | 
|  | case MPI_EVENT_SAS_EXPANDER_STATUS_CHANGE: | 
|  | { | 
|  | MpiEventDataSasExpanderStatusChange_t *expander_data = | 
|  | (MpiEventDataSasExpanderStatusChange_t *)reply->Data; | 
|  |  | 
|  | if (ioc->old_sas_discovery_protocal) | 
|  | return 0; | 
|  |  | 
|  | if (expander_data->ReasonCode == | 
|  | MPI_EVENT_SAS_EXP_RC_NOT_RESPONDING && | 
|  | ioc->device_missing_delay) | 
|  | delay = HZ * ioc->device_missing_delay; | 
|  | break; | 
|  | } | 
|  | case MPI_EVENT_SAS_DISCOVERY: | 
|  | { | 
|  | u32 discovery_status; | 
|  | EventDataSasDiscovery_t *discovery_data = | 
|  | (EventDataSasDiscovery_t *)reply->Data; | 
|  |  | 
|  | discovery_status = le32_to_cpu(discovery_data->DiscoveryStatus); | 
|  | ioc->sas_discovery_quiesce_io = discovery_status ? 1 : 0; | 
|  | if (ioc->old_sas_discovery_protocal && !discovery_status) | 
|  | mptsas_queue_rescan(ioc); | 
|  | return 0; | 
|  | } | 
|  | case MPI_EVENT_INTEGRATED_RAID: | 
|  | case MPI_EVENT_PERSISTENT_TABLE_FULL: | 
|  | case MPI_EVENT_IR2: | 
|  | case MPI_EVENT_SAS_PHY_LINK_STATUS: | 
|  | case MPI_EVENT_QUEUE_FULL: | 
|  | break; | 
|  | default: | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | event_data_sz = ((reply->MsgLength * 4) - | 
|  | offsetof(EventNotificationReply_t, Data)); | 
|  | sz = offsetof(struct fw_event_work, event_data) + event_data_sz; | 
|  | fw_event = kzalloc(sz, GFP_ATOMIC); | 
|  | if (!fw_event) { | 
|  | printk(MYIOC_s_WARN_FMT "%s: failed at (line=%d)\n", ioc->name, | 
|  | __func__, __LINE__); | 
|  | return 0; | 
|  | } | 
|  | memcpy(fw_event->event_data, reply->Data, event_data_sz); | 
|  | fw_event->event = event; | 
|  | fw_event->ioc = ioc; | 
|  | mptsas_add_fw_event(ioc, fw_event, delay); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | /* Delete a volume when no longer listed in ioc pg2 | 
|  | */ | 
|  | static void mptsas_volume_delete(MPT_ADAPTER *ioc, u8 id) | 
|  | { | 
|  | struct scsi_device *sdev; | 
|  | int i; | 
|  |  | 
|  | sdev = scsi_device_lookup(ioc->sh, MPTSAS_RAID_CHANNEL, id, 0); | 
|  | if (!sdev) | 
|  | return; | 
|  | if (!ioc->raid_data.pIocPg2) | 
|  | goto out; | 
|  | if (!ioc->raid_data.pIocPg2->NumActiveVolumes) | 
|  | goto out; | 
|  | for (i = 0; i < ioc->raid_data.pIocPg2->NumActiveVolumes; i++) | 
|  | if (ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID == id) | 
|  | goto release_sdev; | 
|  | out: | 
|  | printk(MYIOC_s_INFO_FMT "removing raid volume, channel %d, " | 
|  | "id %d\n", ioc->name, MPTSAS_RAID_CHANNEL, id); | 
|  | scsi_remove_device(sdev); | 
|  | release_sdev: | 
|  | scsi_device_put(sdev); | 
|  | } | 
|  |  | 
|  | static int | 
|  | mptsas_probe(struct pci_dev *pdev, const struct pci_device_id *id) | 
|  | { | 
|  | struct Scsi_Host	*sh; | 
|  | MPT_SCSI_HOST		*hd; | 
|  | MPT_ADAPTER 		*ioc; | 
|  | unsigned long		 flags; | 
|  | int			 ii; | 
|  | int			 numSGE = 0; | 
|  | int			 scale; | 
|  | int			 ioc_cap; | 
|  | int			error=0; | 
|  | int			r; | 
|  |  | 
|  | r = mpt_attach(pdev,id); | 
|  | if (r) | 
|  | return r; | 
|  |  | 
|  | ioc = pci_get_drvdata(pdev); | 
|  | mptsas_fw_event_off(ioc); | 
|  | ioc->DoneCtx = mptsasDoneCtx; | 
|  | ioc->TaskCtx = mptsasTaskCtx; | 
|  | ioc->InternalCtx = mptsasInternalCtx; | 
|  | ioc->schedule_target_reset = &mptsas_schedule_target_reset; | 
|  | ioc->schedule_dead_ioc_flush_running_cmds = | 
|  | &mptscsih_flush_running_cmds; | 
|  | /*  Added sanity check on readiness of the MPT adapter. | 
|  | */ | 
|  | if (ioc->last_state != MPI_IOC_STATE_OPERATIONAL) { | 
|  | printk(MYIOC_s_WARN_FMT | 
|  | "Skipping because it's not operational!\n", | 
|  | ioc->name); | 
|  | error = -ENODEV; | 
|  | goto out_mptsas_probe; | 
|  | } | 
|  |  | 
|  | if (!ioc->active) { | 
|  | printk(MYIOC_s_WARN_FMT "Skipping because it's disabled!\n", | 
|  | ioc->name); | 
|  | error = -ENODEV; | 
|  | goto out_mptsas_probe; | 
|  | } | 
|  |  | 
|  | /*  Sanity check - ensure at least 1 port is INITIATOR capable | 
|  | */ | 
|  | ioc_cap = 0; | 
|  | for (ii = 0; ii < ioc->facts.NumberOfPorts; ii++) { | 
|  | if (ioc->pfacts[ii].ProtocolFlags & | 
|  | MPI_PORTFACTS_PROTOCOL_INITIATOR) | 
|  | ioc_cap++; | 
|  | } | 
|  |  | 
|  | if (!ioc_cap) { | 
|  | printk(MYIOC_s_WARN_FMT | 
|  | "Skipping ioc=%p because SCSI Initiator mode " | 
|  | "is NOT enabled!\n", ioc->name, ioc); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | sh = scsi_host_alloc(&mptsas_driver_template, sizeof(MPT_SCSI_HOST)); | 
|  | if (!sh) { | 
|  | printk(MYIOC_s_WARN_FMT | 
|  | "Unable to register controller with SCSI subsystem\n", | 
|  | ioc->name); | 
|  | error = -1; | 
|  | goto out_mptsas_probe; | 
|  | } | 
|  |  | 
|  | spin_lock_irqsave(&ioc->FreeQlock, flags); | 
|  |  | 
|  | /* Attach the SCSI Host to the IOC structure | 
|  | */ | 
|  | ioc->sh = sh; | 
|  |  | 
|  | sh->io_port = 0; | 
|  | sh->n_io_port = 0; | 
|  | sh->irq = 0; | 
|  |  | 
|  | /* set 16 byte cdb's */ | 
|  | sh->max_cmd_len = 16; | 
|  | sh->can_queue = min_t(int, ioc->req_depth - 10, sh->can_queue); | 
|  | sh->max_id = -1; | 
|  | sh->max_lun = max_lun; | 
|  | sh->transportt = mptsas_transport_template; | 
|  |  | 
|  | /* Required entry. | 
|  | */ | 
|  | sh->unique_id = ioc->id; | 
|  |  | 
|  | INIT_LIST_HEAD(&ioc->sas_topology); | 
|  | mutex_init(&ioc->sas_topology_mutex); | 
|  | mutex_init(&ioc->sas_discovery_mutex); | 
|  | mutex_init(&ioc->sas_mgmt.mutex); | 
|  | init_completion(&ioc->sas_mgmt.done); | 
|  |  | 
|  | /* Verify that we won't exceed the maximum | 
|  | * number of chain buffers | 
|  | * We can optimize:  ZZ = req_sz/sizeof(SGE) | 
|  | * For 32bit SGE's: | 
|  | *  numSGE = 1 + (ZZ-1)*(maxChain -1) + ZZ | 
|  | *               + (req_sz - 64)/sizeof(SGE) | 
|  | * A slightly different algorithm is required for | 
|  | * 64bit SGEs. | 
|  | */ | 
|  | scale = ioc->req_sz/ioc->SGE_size; | 
|  | if (ioc->sg_addr_size == sizeof(u64)) { | 
|  | numSGE = (scale - 1) * | 
|  | (ioc->facts.MaxChainDepth-1) + scale + | 
|  | (ioc->req_sz - 60) / ioc->SGE_size; | 
|  | } else { | 
|  | numSGE = 1 + (scale - 1) * | 
|  | (ioc->facts.MaxChainDepth-1) + scale + | 
|  | (ioc->req_sz - 64) / ioc->SGE_size; | 
|  | } | 
|  |  | 
|  | if (numSGE < sh->sg_tablesize) { | 
|  | /* Reset this value */ | 
|  | dprintk(ioc, printk(MYIOC_s_DEBUG_FMT | 
|  | "Resetting sg_tablesize to %d from %d\n", | 
|  | ioc->name, numSGE, sh->sg_tablesize)); | 
|  | sh->sg_tablesize = numSGE; | 
|  | } | 
|  |  | 
|  | if (mpt_loadtime_max_sectors) { | 
|  | if (mpt_loadtime_max_sectors < 64 || | 
|  | mpt_loadtime_max_sectors > 8192) { | 
|  | printk(MYIOC_s_INFO_FMT "Invalid value passed for" | 
|  | "mpt_loadtime_max_sectors %d." | 
|  | "Range from 64 to 8192\n", ioc->name, | 
|  | mpt_loadtime_max_sectors); | 
|  | } | 
|  | mpt_loadtime_max_sectors &=  0xFFFFFFFE; | 
|  | dprintk(ioc, printk(MYIOC_s_DEBUG_FMT | 
|  | "Resetting max sector to %d from %d\n", | 
|  | ioc->name, mpt_loadtime_max_sectors, sh->max_sectors)); | 
|  | sh->max_sectors = mpt_loadtime_max_sectors; | 
|  | } | 
|  |  | 
|  | hd = shost_priv(sh); | 
|  | hd->ioc = ioc; | 
|  |  | 
|  | /* SCSI needs scsi_cmnd lookup table! | 
|  | * (with size equal to req_depth*PtrSz!) | 
|  | */ | 
|  | ioc->ScsiLookup = kcalloc(ioc->req_depth, sizeof(void *), GFP_ATOMIC); | 
|  | if (!ioc->ScsiLookup) { | 
|  | error = -ENOMEM; | 
|  | spin_unlock_irqrestore(&ioc->FreeQlock, flags); | 
|  | goto out_mptsas_probe; | 
|  | } | 
|  | spin_lock_init(&ioc->scsi_lookup_lock); | 
|  |  | 
|  | dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ScsiLookup @ %p\n", | 
|  | ioc->name, ioc->ScsiLookup)); | 
|  |  | 
|  | ioc->sas_data.ptClear = mpt_pt_clear; | 
|  |  | 
|  | hd->last_queue_full = 0; | 
|  | INIT_LIST_HEAD(&hd->target_reset_list); | 
|  | INIT_LIST_HEAD(&ioc->sas_device_info_list); | 
|  | mutex_init(&ioc->sas_device_info_mutex); | 
|  |  | 
|  | spin_unlock_irqrestore(&ioc->FreeQlock, flags); | 
|  |  | 
|  | if (ioc->sas_data.ptClear==1) { | 
|  | mptbase_sas_persist_operation( | 
|  | ioc, MPI_SAS_OP_CLEAR_ALL_PERSISTENT); | 
|  | } | 
|  |  | 
|  | error = scsi_add_host(sh, &ioc->pcidev->dev); | 
|  | if (error) { | 
|  | dprintk(ioc, printk(MYIOC_s_ERR_FMT | 
|  | "scsi_add_host failed\n", ioc->name)); | 
|  | goto out_mptsas_probe; | 
|  | } | 
|  |  | 
|  | /* older firmware doesn't support expander events */ | 
|  | if ((ioc->facts.HeaderVersion >> 8) < 0xE) | 
|  | ioc->old_sas_discovery_protocal = 1; | 
|  | mptsas_scan_sas_topology(ioc); | 
|  | mptsas_fw_event_on(ioc); | 
|  | return 0; | 
|  |  | 
|  | out_mptsas_probe: | 
|  |  | 
|  | mptscsih_remove(pdev); | 
|  | return error; | 
|  | } | 
|  |  | 
|  | void | 
|  | mptsas_shutdown(struct pci_dev *pdev) | 
|  | { | 
|  | MPT_ADAPTER *ioc = pci_get_drvdata(pdev); | 
|  |  | 
|  | mptsas_fw_event_off(ioc); | 
|  | mptsas_cleanup_fw_event_q(ioc); | 
|  | } | 
|  |  | 
|  | static void __devexit mptsas_remove(struct pci_dev *pdev) | 
|  | { | 
|  | MPT_ADAPTER *ioc = pci_get_drvdata(pdev); | 
|  | struct mptsas_portinfo *p, *n; | 
|  | int i; | 
|  |  | 
|  | if (!ioc->sh) { | 
|  | printk(MYIOC_s_INFO_FMT "IOC is in Target mode\n", ioc->name); | 
|  | mpt_detach(pdev); | 
|  | return; | 
|  | } | 
|  |  | 
|  | mptsas_shutdown(pdev); | 
|  |  | 
|  | mptsas_del_device_components(ioc); | 
|  |  | 
|  | ioc->sas_discovery_ignore_events = 1; | 
|  | sas_remove_host(ioc->sh); | 
|  |  | 
|  | mutex_lock(&ioc->sas_topology_mutex); | 
|  | list_for_each_entry_safe(p, n, &ioc->sas_topology, list) { | 
|  | list_del(&p->list); | 
|  | for (i = 0 ; i < p->num_phys ; i++) | 
|  | mptsas_port_delete(ioc, p->phy_info[i].port_details); | 
|  |  | 
|  | kfree(p->phy_info); | 
|  | kfree(p); | 
|  | } | 
|  | mutex_unlock(&ioc->sas_topology_mutex); | 
|  | ioc->hba_port_info = NULL; | 
|  | mptscsih_remove(pdev); | 
|  | } | 
|  |  | 
|  | static struct pci_device_id mptsas_pci_table[] = { | 
|  | { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_SAS1064, | 
|  | PCI_ANY_ID, PCI_ANY_ID }, | 
|  | { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_SAS1068, | 
|  | PCI_ANY_ID, PCI_ANY_ID }, | 
|  | { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_SAS1064E, | 
|  | PCI_ANY_ID, PCI_ANY_ID }, | 
|  | { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_SAS1068E, | 
|  | PCI_ANY_ID, PCI_ANY_ID }, | 
|  | { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_SAS1078, | 
|  | PCI_ANY_ID, PCI_ANY_ID }, | 
|  | { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_SAS1068_820XELP, | 
|  | PCI_ANY_ID, PCI_ANY_ID }, | 
|  | {0}	/* Terminating entry */ | 
|  | }; | 
|  | MODULE_DEVICE_TABLE(pci, mptsas_pci_table); | 
|  |  | 
|  |  | 
|  | static struct pci_driver mptsas_driver = { | 
|  | .name		= "mptsas", | 
|  | .id_table	= mptsas_pci_table, | 
|  | .probe		= mptsas_probe, | 
|  | .remove		= __devexit_p(mptsas_remove), | 
|  | .shutdown	= mptsas_shutdown, | 
|  | #ifdef CONFIG_PM | 
|  | .suspend	= mptscsih_suspend, | 
|  | .resume		= mptscsih_resume, | 
|  | #endif | 
|  | }; | 
|  |  | 
|  | static int __init | 
|  | mptsas_init(void) | 
|  | { | 
|  | int error; | 
|  |  | 
|  | show_mptmod_ver(my_NAME, my_VERSION); | 
|  |  | 
|  | mptsas_transport_template = | 
|  | sas_attach_transport(&mptsas_transport_functions); | 
|  | if (!mptsas_transport_template) | 
|  | return -ENODEV; | 
|  | mptsas_transport_template->eh_timed_out = mptsas_eh_timed_out; | 
|  |  | 
|  | mptsasDoneCtx = mpt_register(mptscsih_io_done, MPTSAS_DRIVER, | 
|  | "mptscsih_io_done"); | 
|  | mptsasTaskCtx = mpt_register(mptscsih_taskmgmt_complete, MPTSAS_DRIVER, | 
|  | "mptscsih_taskmgmt_complete"); | 
|  | mptsasInternalCtx = | 
|  | mpt_register(mptscsih_scandv_complete, MPTSAS_DRIVER, | 
|  | "mptscsih_scandv_complete"); | 
|  | mptsasMgmtCtx = mpt_register(mptsas_mgmt_done, MPTSAS_DRIVER, | 
|  | "mptsas_mgmt_done"); | 
|  | mptsasDeviceResetCtx = | 
|  | mpt_register(mptsas_taskmgmt_complete, MPTSAS_DRIVER, | 
|  | "mptsas_taskmgmt_complete"); | 
|  |  | 
|  | mpt_event_register(mptsasDoneCtx, mptsas_event_process); | 
|  | mpt_reset_register(mptsasDoneCtx, mptsas_ioc_reset); | 
|  |  | 
|  | error = pci_register_driver(&mptsas_driver); | 
|  | if (error) | 
|  | sas_release_transport(mptsas_transport_template); | 
|  |  | 
|  | return error; | 
|  | } | 
|  |  | 
|  | static void __exit | 
|  | mptsas_exit(void) | 
|  | { | 
|  | pci_unregister_driver(&mptsas_driver); | 
|  | sas_release_transport(mptsas_transport_template); | 
|  |  | 
|  | mpt_reset_deregister(mptsasDoneCtx); | 
|  | mpt_event_deregister(mptsasDoneCtx); | 
|  |  | 
|  | mpt_deregister(mptsasMgmtCtx); | 
|  | mpt_deregister(mptsasInternalCtx); | 
|  | mpt_deregister(mptsasTaskCtx); | 
|  | mpt_deregister(mptsasDoneCtx); | 
|  | mpt_deregister(mptsasDeviceResetCtx); | 
|  | } | 
|  |  | 
|  | module_init(mptsas_init); | 
|  | module_exit(mptsas_exit); |