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