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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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scsi: mpt3sas: scan and add nvme device after controller reset
After Controller reset, Scan and add nvme device back to the topology. Signed-off-by: Chaitra P B <chaitra.basappa@broadcom.com> Signed-off-by: Suganath Prabu S <suganath-prabu.subramani@broadcom.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Suganath Prabu Subramani
Martin K. Petersen
parent
d1b01d14b7
commit
ec051e5a4b
@ -4886,6 +4886,7 @@ _scsih_scsi_ioc_info(struct MPT3SAS_ADAPTER *ioc, struct scsi_cmnd *scmd,
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char *desc_scsi_state = ioc->tmp_string;
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u32 log_info = le32_to_cpu(mpi_reply->IOCLogInfo);
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struct _sas_device *sas_device = NULL;
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struct _pcie_device *pcie_device = NULL;
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struct scsi_target *starget = scmd->device->sdev_target;
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struct MPT3SAS_TARGET *priv_target = starget->hostdata;
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char *device_str = NULL;
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@ -5018,6 +5019,28 @@ _scsih_scsi_ioc_info(struct MPT3SAS_ADAPTER *ioc, struct scsi_cmnd *scmd,
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if (priv_target->flags & MPT_TARGET_FLAGS_VOLUME) {
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pr_warn(MPT3SAS_FMT "\t%s wwid(0x%016llx)\n", ioc->name,
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device_str, (unsigned long long)priv_target->sas_address);
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} else if (priv_target->flags & MPT_TARGET_FLAGS_PCIE_DEVICE) {
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pcie_device = mpt3sas_get_pdev_from_target(ioc, priv_target);
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if (pcie_device) {
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pr_info(MPT3SAS_FMT "\twwid(0x%016llx), port(%d)\n",
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ioc->name,
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(unsigned long long)pcie_device->wwid,
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pcie_device->port_num);
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if (pcie_device->enclosure_handle != 0)
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pr_info(MPT3SAS_FMT
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"\tenclosure logical id(0x%016llx), "
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"slot(%d)\n", ioc->name,
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(unsigned long long)
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pcie_device->enclosure_logical_id,
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pcie_device->slot);
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if (pcie_device->connector_name[0])
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pr_info(MPT3SAS_FMT
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"\tenclosure level(0x%04x),"
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"connector name( %s)\n",
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ioc->name, pcie_device->enclosure_level,
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pcie_device->connector_name);
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pcie_device_put(pcie_device);
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}
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} else {
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sas_device = mpt3sas_get_sdev_from_target(ioc, priv_target);
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if (sas_device) {
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@ -5054,11 +5077,10 @@ _scsih_scsi_ioc_info(struct MPT3SAS_ADAPTER *ioc, struct scsi_cmnd *scmd,
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struct sense_info data;
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_scsih_normalize_sense(scmd->sense_buffer, &data);
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pr_warn(MPT3SAS_FMT
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"\t[sense_key,asc,ascq]: [0x%02x,0x%02x,0x%02x], count(%d)\n",
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ioc->name, data.skey,
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data.asc, data.ascq, le32_to_cpu(mpi_reply->SenseCount));
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"\t[sense_key,asc,ascq]: [0x%02x,0x%02x,0x%02x], count(%d)\n",
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ioc->name, data.skey,
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data.asc, data.ascq, le32_to_cpu(mpi_reply->SenseCount));
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}
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if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID) {
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response_info = le32_to_cpu(mpi_reply->ResponseInfo);
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response_bytes = (u8 *)&response_info;
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@ -8557,6 +8579,130 @@ _scsih_search_responding_sas_devices(struct MPT3SAS_ADAPTER *ioc)
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ioc->name);
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}
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/**
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* _scsih_mark_responding_pcie_device - mark a pcie_device as responding
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* @ioc: per adapter object
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* @pcie_device_pg0: PCIe Device page 0
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*
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* After host reset, find out whether devices are still responding.
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* Used in _scsih_remove_unresponding_devices.
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*
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* Return nothing.
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*/
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static void
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_scsih_mark_responding_pcie_device(struct MPT3SAS_ADAPTER *ioc,
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Mpi26PCIeDevicePage0_t *pcie_device_pg0)
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{
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struct MPT3SAS_TARGET *sas_target_priv_data = NULL;
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struct scsi_target *starget;
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struct _pcie_device *pcie_device;
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unsigned long flags;
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spin_lock_irqsave(&ioc->pcie_device_lock, flags);
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list_for_each_entry(pcie_device, &ioc->pcie_device_list, list) {
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if ((pcie_device->wwid == pcie_device_pg0->WWID) &&
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(pcie_device->slot == pcie_device_pg0->Slot)) {
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pcie_device->responding = 1;
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starget = pcie_device->starget;
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if (starget && starget->hostdata) {
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sas_target_priv_data = starget->hostdata;
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sas_target_priv_data->tm_busy = 0;
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sas_target_priv_data->deleted = 0;
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} else
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sas_target_priv_data = NULL;
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if (starget) {
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starget_printk(KERN_INFO, starget,
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"handle(0x%04x), wwid(0x%016llx) ",
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pcie_device->handle,
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(unsigned long long)pcie_device->wwid);
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if (pcie_device->enclosure_handle != 0)
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starget_printk(KERN_INFO, starget,
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"enclosure logical id(0x%016llx), "
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"slot(%d)\n",
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(unsigned long long)
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pcie_device->enclosure_logical_id,
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pcie_device->slot);
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}
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if (((le32_to_cpu(pcie_device_pg0->Flags)) &
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MPI26_PCIEDEV0_FLAGS_ENCL_LEVEL_VALID) &&
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(ioc->hba_mpi_version_belonged != MPI2_VERSION)) {
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pcie_device->enclosure_level =
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pcie_device_pg0->EnclosureLevel;
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memcpy(&pcie_device->connector_name[0],
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&pcie_device_pg0->ConnectorName[0], 4);
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} else {
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pcie_device->enclosure_level = 0;
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pcie_device->connector_name[0] = '\0';
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}
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if (pcie_device->handle == pcie_device_pg0->DevHandle)
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goto out;
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pr_info(KERN_INFO "\thandle changed from(0x%04x)!!!\n",
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pcie_device->handle);
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pcie_device->handle = pcie_device_pg0->DevHandle;
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if (sas_target_priv_data)
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sas_target_priv_data->handle =
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pcie_device_pg0->DevHandle;
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goto out;
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}
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}
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out:
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spin_unlock_irqrestore(&ioc->pcie_device_lock, flags);
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}
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/**
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* _scsih_search_responding_pcie_devices -
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* @ioc: per adapter object
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*
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* After host reset, find out whether devices are still responding.
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* If not remove.
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*
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* Return nothing.
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*/
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static void
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_scsih_search_responding_pcie_devices(struct MPT3SAS_ADAPTER *ioc)
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{
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Mpi26PCIeDevicePage0_t pcie_device_pg0;
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Mpi2ConfigReply_t mpi_reply;
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u16 ioc_status;
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u16 handle;
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u32 device_info;
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pr_info(MPT3SAS_FMT "search for end-devices: start\n", ioc->name);
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if (list_empty(&ioc->pcie_device_list))
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goto out;
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handle = 0xFFFF;
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while (!(mpt3sas_config_get_pcie_device_pg0(ioc, &mpi_reply,
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&pcie_device_pg0, MPI26_PCIE_DEVICE_PGAD_FORM_GET_NEXT_HANDLE,
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handle))) {
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ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
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MPI2_IOCSTATUS_MASK;
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if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
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pr_info(MPT3SAS_FMT "\tbreak from %s: "
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"ioc_status(0x%04x), loginfo(0x%08x)\n", ioc->name,
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__func__, ioc_status,
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le32_to_cpu(mpi_reply.IOCLogInfo));
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break;
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}
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handle = le16_to_cpu(pcie_device_pg0.DevHandle);
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device_info = le32_to_cpu(pcie_device_pg0.DeviceInfo);
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if (!(_scsih_is_nvme_device(device_info)))
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continue;
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pcie_device_pg0.WWID = le64_to_cpu(pcie_device_pg0.WWID),
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pcie_device_pg0.Slot = le16_to_cpu(pcie_device_pg0.Slot);
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pcie_device_pg0.Flags = le32_to_cpu(pcie_device_pg0.Flags);
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pcie_device_pg0.DevHandle = handle;
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_scsih_mark_responding_pcie_device(ioc, &pcie_device_pg0);
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}
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out:
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pr_info(MPT3SAS_FMT "search for PCIe end-devices: complete\n",
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ioc->name);
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}
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/**
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* _scsih_mark_responding_raid_device - mark a raid_device as responding
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* @ioc: per adapter object
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@ -8930,6 +9076,7 @@ _scsih_scan_for_devices_after_reset(struct MPT3SAS_ADAPTER *ioc)
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{
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Mpi2ExpanderPage0_t expander_pg0;
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Mpi2SasDevicePage0_t sas_device_pg0;
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Mpi26PCIeDevicePage0_t pcie_device_pg0;
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Mpi2RaidVolPage1_t volume_pg1;
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Mpi2RaidVolPage0_t volume_pg0;
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Mpi2RaidPhysDiskPage0_t pd_pg0;
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@ -8940,6 +9087,7 @@ _scsih_scan_for_devices_after_reset(struct MPT3SAS_ADAPTER *ioc)
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u16 handle, parent_handle;
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u64 sas_address;
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struct _sas_device *sas_device;
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struct _pcie_device *pcie_device;
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struct _sas_node *expander_device;
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static struct _raid_device *raid_device;
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u8 retry_count;
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@ -9165,7 +9313,44 @@ _scsih_scan_for_devices_after_reset(struct MPT3SAS_ADAPTER *ioc)
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}
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pr_info(MPT3SAS_FMT "\tscan devices: end devices complete\n",
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ioc->name);
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pr_info(MPT3SAS_FMT "\tscan devices: pcie end devices start\n",
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ioc->name);
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/* pcie devices */
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handle = 0xFFFF;
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while (!(mpt3sas_config_get_pcie_device_pg0(ioc, &mpi_reply,
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&pcie_device_pg0, MPI26_PCIE_DEVICE_PGAD_FORM_GET_NEXT_HANDLE,
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handle))) {
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ioc_status = le16_to_cpu(mpi_reply.IOCStatus)
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& MPI2_IOCSTATUS_MASK;
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if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
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pr_info(MPT3SAS_FMT "\tbreak from pcie end device"
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" scan: ioc_status(0x%04x), loginfo(0x%08x)\n",
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ioc->name, ioc_status,
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le32_to_cpu(mpi_reply.IOCLogInfo));
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break;
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}
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handle = le16_to_cpu(pcie_device_pg0.DevHandle);
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if (!(_scsih_is_nvme_device(
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le32_to_cpu(pcie_device_pg0.DeviceInfo))))
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continue;
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pcie_device = mpt3sas_get_pdev_by_wwid(ioc,
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le64_to_cpu(pcie_device_pg0.WWID));
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if (pcie_device) {
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pcie_device_put(pcie_device);
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continue;
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}
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retry_count = 0;
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parent_handle = le16_to_cpu(pcie_device_pg0.ParentDevHandle);
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_scsih_pcie_add_device(ioc, handle);
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pr_info(MPT3SAS_FMT "\tAFTER adding pcie end device: "
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"handle (0x%04x), wwid(0x%016llx)\n", ioc->name,
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handle,
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(unsigned long long) le64_to_cpu(pcie_device_pg0.WWID));
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}
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pr_info(MPT3SAS_FMT "\tpcie devices: pcie end devices complete\n",
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ioc->name);
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pr_info(MPT3SAS_FMT "scan devices: complete\n", ioc->name);
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}
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/**
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@ -9215,6 +9400,7 @@ mpt3sas_scsih_reset_handler(struct MPT3SAS_ADAPTER *ioc, int reset_phase)
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!ioc->sas_hba.num_phys)) {
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_scsih_prep_device_scan(ioc);
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_scsih_search_responding_sas_devices(ioc);
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_scsih_search_responding_pcie_devices(ioc);
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_scsih_search_responding_raid_devices(ioc);
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_scsih_search_responding_expanders(ioc);
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_scsih_error_recovery_delete_devices(ioc);
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