+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));
+ port_info = mptsas_find_portinfo_by_sas_address(ioc, sas_address);
+
+ if (expander_data->ReasonCode == MPI_EVENT_SAS_EXP_RC_ADDED) {
+ if (port_info) {
+ for (i = 0; i < port_info->num_phys; i++) {
+ port_info->phy_info[i].portinfo = port_info;
+ port_info->phy_info[i].handle =
+ le16_to_cpu(expander_data->DevHandle);
+ port_info->phy_info[i].identify.sas_address =
+ le64_to_cpu(sas_address);
+ port_info->phy_info[i].identify.handle_parent =
+ le16_to_cpu(expander_data->ParentDevHandle);
+ }
+ mptsas_expander_refresh(ioc, port_info);
+ } else if (!port_info && expander_data->NumPhys)
+ mptsas_expander_event_add(ioc, expander_data);
+ } else if (expander_data->ReasonCode ==
+ MPI_EVENT_SAS_EXP_RC_NOT_RESPONDING)
+ mptsas_expander_delete(ioc, port_info, 0);
+
+ mptsas_free_fw_event(ioc, fw_event);
+}
+
+
+/**
+ * mptsas_expander_add -
+ * @ioc: Pointer to MPT_ADAPTER structure
+ * @handle:
+ *
+ */
+struct mptsas_portinfo *
+mptsas_expander_add(MPT_ADAPTER *ioc, u16 handle)
+{
+ struct mptsas_portinfo buffer, *port_info;
+ int i;
+
+ if ((mptsas_sas_expander_pg0(ioc, &buffer,
+ (MPI_SAS_EXPAND_PGAD_FORM_HANDLE <<
+ MPI_SAS_EXPAND_PGAD_FORM_SHIFT), handle)))
+ return NULL;
+
+ port_info = kzalloc(sizeof(struct mptsas_portinfo), GFP_ATOMIC);
+ if (!port_info) {
+ dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
+ "%s: exit at line=%d\n", ioc->name,
+ __func__, __LINE__));
+ return NULL;
+ }
+ port_info->num_phys = buffer.num_phys;
+ port_info->phy_info = buffer.phy_info;
+ for (i = 0; i < port_info->num_phys; i++)
+ port_info->phy_info[i].portinfo = port_info;
+ mutex_lock(&ioc->sas_topology_mutex);
+ list_add_tail(&port_info->list, &ioc->sas_topology);
+ mutex_unlock(&ioc->sas_topology_mutex);
+ printk(MYIOC_s_INFO_FMT "add expander: num_phys %d, "
+ "sas_addr (0x%llx)\n", ioc->name, port_info->num_phys,
+ (unsigned long long)buffer.phy_info[0].identify.sas_address);
+ mptsas_expander_refresh(ioc, port_info);
+ return port_info;
+}
+
+static void
+mptsas_send_link_status_event(struct fw_event_work *fw_event)
+{
+ MPT_ADAPTER *ioc;
+ MpiEventDataSasPhyLinkStatus_t *link_data;
+ struct mptsas_portinfo *port_info;
+ struct mptsas_phyinfo *phy_info = NULL;
+ __le64 sas_address;
+ u8 phy_num;
+ u8 link_rate;
+
+ ioc = fw_event->ioc;
+ link_data = (MpiEventDataSasPhyLinkStatus_t *)fw_event->event_data;
+
+ memcpy(&sas_address, &link_data->SASAddress, sizeof(__le64));
+ sas_address = le64_to_cpu(sas_address);
+ link_rate = link_data->LinkRates >> 4;
+ phy_num = link_data->PhyNum;
+
+ port_info = mptsas_find_portinfo_by_sas_address(ioc, sas_address);
+ if (port_info) {
+ phy_info = &port_info->phy_info[phy_num];
+ if (phy_info)
+ phy_info->negotiated_link_rate = link_rate;
+ }
+
+ if (link_rate == MPI_SAS_IOUNIT0_RATE_1_5 ||
+ link_rate == MPI_SAS_IOUNIT0_RATE_3_0) {
+
+ if (!port_info) {
+ if (ioc->old_sas_discovery_protocal) {
+ port_info = mptsas_expander_add(ioc,
+ le16_to_cpu(link_data->DevHandle));
+ if (port_info)
+ goto out;
+ }
+ goto out;
+ }
+
+ if (port_info == ioc->hba_port_info)
+ mptsas_probe_hba_phys(ioc);
+ else
+ mptsas_expander_refresh(ioc, port_info);
+ } else if (phy_info && phy_info->phy) {
+ if (link_rate == MPI_SAS_IOUNIT0_RATE_PHY_DISABLED)
+ phy_info->phy->negotiated_linkrate =
+ SAS_PHY_DISABLED;
+ else if (link_rate ==
+ MPI_SAS_IOUNIT0_RATE_FAILED_SPEED_NEGOTIATION)
+ phy_info->phy->negotiated_linkrate =
+ SAS_LINK_RATE_FAILED;
+ else
+ phy_info->phy->negotiated_linkrate =
+ SAS_LINK_RATE_UNKNOWN;
+ }
+ out:
+ mptsas_free_fw_event(ioc, fw_event);
+}
+
+static void
+mptsas_not_responding_devices(MPT_ADAPTER *ioc)
+{
+ struct mptsas_portinfo buffer, *port_info;
+ struct mptsas_device_info *sas_info;
+ struct mptsas_devinfo sas_device;
+ u32 handle;
+ VirtTarget *vtarget = NULL;
+ struct mptsas_phyinfo *phy_info;
+ u8 found_expander;
+ int retval, retry_count;
+ unsigned long flags;
+
+ mpt_findImVolumes(ioc);
+
+ spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
+ if (ioc->ioc_reset_in_progress) {
+ dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
+ "%s: exiting due to a parallel reset \n", ioc->name,
+ __func__));
+ spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
+ return;
+ }
+ spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
+
+ /* devices, logical volumes */
+ mutex_lock(&ioc->sas_device_info_mutex);
+ redo_device_scan:
+ list_for_each_entry(sas_info, &ioc->sas_device_info_list, list) {
+ if (sas_info->is_cached)
+ continue;
+ if (!sas_info->is_logical_volume) {
+ sas_device.handle = 0;
+ retry_count = 0;
+retry_page:
+ retval = mptsas_sas_device_pg0(ioc, &sas_device,
+ (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID
+ << MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
+ (sas_info->fw.channel << 8) +
+ sas_info->fw.id);
+
+ if (sas_device.handle)
+ continue;
+ if (retval == -EBUSY) {
+ spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
+ if (ioc->ioc_reset_in_progress) {
+ dfailprintk(ioc,
+ printk(MYIOC_s_DEBUG_FMT
+ "%s: exiting due to reset\n",
+ ioc->name, __func__));
+ spin_unlock_irqrestore
+ (&ioc->taskmgmt_lock, flags);
+ mutex_unlock(&ioc->
+ sas_device_info_mutex);
+ return;
+ }
+ spin_unlock_irqrestore(&ioc->taskmgmt_lock,
+ flags);
+ }
+
+ if (retval && (retval != -ENODEV)) {
+ if (retry_count < 10) {
+ retry_count++;
+ goto retry_page;
+ } else {
+ devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
+ "%s: Config page retry exceeded retry "
+ "count deleting device 0x%llx\n",
+ ioc->name, __func__,
+ sas_info->sas_address));
+ }
+ }
+
+ /* delete device */
+ vtarget = mptsas_find_vtarget(ioc,
+ sas_info->fw.channel, sas_info->fw.id);
+
+ if (vtarget)
+ vtarget->deleted = 1;
+
+ phy_info = mptsas_find_phyinfo_by_sas_address(ioc,
+ sas_info->sas_address);
+
+ if (phy_info) {
+ mptsas_del_end_device(ioc, phy_info);
+ goto redo_device_scan;
+ }
+ } else
+ mptsas_volume_delete(ioc, sas_info->fw.id);
+ }
+ mutex_lock(&ioc->sas_device_info_mutex);
+
+ /* expanders */
+ mutex_lock(&ioc->sas_topology_mutex);
+ redo_expander_scan:
+ list_for_each_entry(port_info, &ioc->sas_topology, list) {
+
+ if (port_info->phy_info &&
+ (!(port_info->phy_info[0].identify.device_info &
+ MPI_SAS_DEVICE_INFO_SMP_TARGET)))
+ continue;
+ found_expander = 0;
+ handle = 0xFFFF;
+ while (!mptsas_sas_expander_pg0(ioc, &buffer,
+ (MPI_SAS_EXPAND_PGAD_FORM_GET_NEXT_HANDLE <<
+ MPI_SAS_EXPAND_PGAD_FORM_SHIFT), handle) &&
+ !found_expander) {
+
+ handle = buffer.phy_info[0].handle;
+ if (buffer.phy_info[0].identify.sas_address ==
+ port_info->phy_info[0].identify.sas_address) {
+ found_expander = 1;
+ }
+ kfree(buffer.phy_info);
+ }
+
+ if (!found_expander) {
+ mptsas_expander_delete(ioc, port_info, 0);
+ goto redo_expander_scan;
+ }
+ }
+ mutex_lock(&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;
+
+ 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