[SCSI] mpt fusion: add sysfs attributes to display IOC parameters

New sysfs scsi_host attributes are added to provide information about Firmware
version, BIOS version, MPI version and other product related information

signed-off-by: Sathya Praksh <sathya.prakash@lsi.com>
Acked-by: "Moore, Eric" <Eric.Moore@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

1 files changed, 64 insertions, 0 deletions

diff --git a/drivers/message/fusion/mptsas.c b/drivers/message/fusion/mptsas.c
index 9e5424e1871f..030bb8389aee 100644
--- a/drivers/message/fusion/mptsas.c
+++ b/drivers/message/fusion/mptsas.c
@@ -1119,6 +1119,7 @@ static struct scsi_host_template mptsas_driver_template = {
         .max_sectors                    = 8192,
         .cmd_per_lun                    = 7,
         .use_clustering                 = ENABLE_CLUSTERING,
+        .shost_attrs                    = mptscsih_host_attrs,
 };
 
 static int mptsas_get_linkerrors(struct sas_phy *phy)
@@ -1390,6 +1391,11 @@ mptsas_sas_io_unit_pg0(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info)
                 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(&buffer->PhyData[i]);
                 port_info->phy_info[i].phy_id = i;
@@ -1410,6 +1416,63 @@ mptsas_sas_io_unit_pg0(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info)
 }
 
 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;
+        u16 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 = 10;
+        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 = le16_to_cpu(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)
 {
@@ -1990,6 +2053,7 @@ mptsas_probe_hba_phys(MPT_ADAPTER *ioc)
         if (error)
                 goto out_free_port_info;
 
+        mptsas_sas_io_unit_pg1(ioc);
         mutex_lock(&ioc->sas_topology_mutex);
         ioc->handle = hba->phy_info[0].handle;
         port_info = mptsas_find_portinfo_by_handle(ioc, ioc->handle);