| /* |
| * 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_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 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)\n", |
| ioc->name, __func__, fw_event)); |
| queue_delayed_work(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)\n", ioc->name, __func__, fw_event)); |
| fw_event->retries++; |
| queue_delayed_work(ioc->fw_event_q, &fw_event->work, |
| msecs_to_jiffies(delay)); |
| spin_unlock_irqrestore(&ioc->fw_event_lock, flags); |
| } |
| |
| /* free memory assoicated 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 recieving 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 managment 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: decribes 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: decribes 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(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 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_bus_reset_handler = mptscsih_bus_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; |
| |
| 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_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)); |
| } |
| |
| 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) { |
| |
| 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; |
| } |
| 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!!\n", |
| ioc->name, __func__); |
| 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; |
| |
| if (sas_event_data->ReasonCode == |
| MPI_EVENT_SAS_DEV_STAT_RC_NOT_RESPONDING) { |
| mptsas_target_reset_queue(ioc, sas_event_data); |
| return 0; |
| } |
| 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; |
| /* 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; |
| } |
| |
| 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 }, |
| {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; |
| |
| mptsasDoneCtx = mpt_register(mptscsih_io_done, MPTSAS_DRIVER); |
| mptsasTaskCtx = mpt_register(mptscsih_taskmgmt_complete, MPTSAS_DRIVER); |
| mptsasInternalCtx = |
| mpt_register(mptscsih_scandv_complete, MPTSAS_DRIVER); |
| mptsasMgmtCtx = mpt_register(mptsas_mgmt_done, MPTSAS_DRIVER); |
| mptsasDeviceResetCtx = |
| mpt_register(mptsas_taskmgmt_complete, MPTSAS_DRIVER); |
| |
| 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); |