+/**
+ * mpt_inactive_raid_list_free
+ *
+ * This clears this link list.
+ *
+ * @ioc - pointer to per adapter structure
+ *
+ **/
+static void
+mpt_inactive_raid_list_free(MPT_ADAPTER *ioc)
+{
+ struct inactive_raid_component_info *component_info, *pNext;
+
+ if (list_empty(&ioc->raid_data.inactive_list))
+ return;
+
+ down(&ioc->raid_data.inactive_list_mutex);
+ list_for_each_entry_safe(component_info, pNext,
+ &ioc->raid_data.inactive_list, list) {
+ list_del(&component_info->list);
+ kfree(component_info);
+ }
+ up(&ioc->raid_data.inactive_list_mutex);
+}
+
+/**
+ * mpt_inactive_raid_volumes
+ *
+ * This sets up link list of phy_disk_nums for devices belonging in an inactive volume
+ *
+ * @ioc - pointer to per adapter structure
+ * @channel - volume channel
+ * @id - volume target id
+ *
+ *
+ **/
+static void
+mpt_inactive_raid_volumes(MPT_ADAPTER *ioc, u8 channel, u8 id)
+{
+ CONFIGPARMS cfg;
+ ConfigPageHeader_t hdr;
+ dma_addr_t dma_handle;
+ pRaidVolumePage0_t buffer = NULL;
+ int i;
+ RaidPhysDiskPage0_t phys_disk;
+ struct inactive_raid_component_info *component_info;
+ int handle_inactive_volumes;
+
+ 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;
+
+ 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;
+
+ handle_inactive_volumes =
+ (buffer->VolumeStatus.Flags & MPI_RAIDVOL0_STATUS_FLAG_VOLUME_INACTIVE ||
+ (buffer->VolumeStatus.Flags & MPI_RAIDVOL0_STATUS_FLAG_ENABLED) == 0 ||
+ buffer->VolumeStatus.State == MPI_RAIDVOL0_STATUS_STATE_FAILED ||
+ buffer->VolumeStatus.State == MPI_RAIDVOL0_STATUS_STATE_MISSING) ? 1 : 0;
+
+ if (!handle_inactive_volumes)
+ goto out;
+
+ down(&ioc->raid_data.inactive_list_mutex);
+ for (i = 0; i < buffer->NumPhysDisks; i++) {
+ if(mpt_raid_phys_disk_pg0(ioc,
+ buffer->PhysDisk[i].PhysDiskNum, &phys_disk) != 0)
+ continue;
+
+ if ((component_info = kmalloc(sizeof (*component_info),
+ GFP_KERNEL)) == NULL)
+ continue;
+
+ component_info->volumeID = id;
+ component_info->volumeBus = channel;
+ component_info->d.PhysDiskNum = phys_disk.PhysDiskNum;
+ component_info->d.PhysDiskBus = phys_disk.PhysDiskBus;
+ component_info->d.PhysDiskID = phys_disk.PhysDiskID;
+ component_info->d.PhysDiskIOC = phys_disk.PhysDiskIOC;
+
+ list_add_tail(&component_info->list,
+ &ioc->raid_data.inactive_list);
+ }
+ up(&ioc->raid_data.inactive_list_mutex);
+
+ out:
+ if (buffer)
+ pci_free_consistent(ioc->pcidev, hdr.PageLength * 4, buffer,
+ dma_handle);
+}
+
+/**
+ * mpt_raid_phys_disk_pg0 - returns phys disk page zero
+ * @ioc: Pointer to a Adapter Structure
+ * @phys_disk_num: io unit unique phys disk num generated by the ioc
+ * @phys_disk: requested payload data returned
+ *
+ * Return:
+ * 0 on success
+ * -EFAULT if read of config page header fails or data pointer not NULL
+ * -ENOMEM if pci_alloc failed
+ **/
+int
+mpt_raid_phys_disk_pg0(MPT_ADAPTER *ioc, u8 phys_disk_num, pRaidPhysDiskPage0_t phys_disk)
+{
+ CONFIGPARMS cfg;
+ ConfigPageHeader_t hdr;
+ dma_addr_t dma_handle;
+ pRaidPhysDiskPage0_t buffer = NULL;
+ int rc;
+
+ memset(&cfg, 0 , sizeof(CONFIGPARMS));
+ memset(&hdr, 0 , sizeof(ConfigPageHeader_t));
+
+ hdr.PageType = MPI_CONFIG_PAGETYPE_RAID_PHYSDISK;
+ cfg.cfghdr.hdr = &hdr;
+ cfg.physAddr = -1;
+ cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
+
+ if (mpt_config(ioc, &cfg) != 0) {
+ rc = -EFAULT;
+ goto out;
+ }
+
+ if (!hdr.PageLength) {
+ rc = -EFAULT;
+ goto out;
+ }
+
+ buffer = pci_alloc_consistent(ioc->pcidev, hdr.PageLength * 4,
+ &dma_handle);
+
+ if (!buffer) {
+ rc = -ENOMEM;
+ goto out;
+ }
+
+ cfg.physAddr = dma_handle;
+ cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
+ cfg.pageAddr = phys_disk_num;
+
+ if (mpt_config(ioc, &cfg) != 0) {
+ rc = -EFAULT;
+ goto out;
+ }
+
+ rc = 0;
+ memcpy(phys_disk, buffer, sizeof(*buffer));
+ phys_disk->MaxLBA = le32_to_cpu(buffer->MaxLBA);
+
+ out:
+
+ if (buffer)
+ pci_free_consistent(ioc->pcidev, hdr.PageLength * 4, buffer,
+ dma_handle);
+
+ return rc;
+}
+