[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>

7 files changed, 272 insertions, 0 deletions

diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c
index 5a10c87239c2..9d29ee62b6eb 100644
--- a/drivers/message/fusion/mptbase.c
+++ b/drivers/message/fusion/mptbase.c
@@ -161,6 +161,7 @@ static int	mpt_readScsiDevicePageHeaders(MPT_ADAPTER *ioc, int portnum);
 static void     mpt_read_ioc_pg_1(MPT_ADAPTER *ioc);
 static void     mpt_read_ioc_pg_4(MPT_ADAPTER *ioc);
 static void     mpt_timer_expired(unsigned long data);
+static void     mpt_get_manufacturing_pg_0(MPT_ADAPTER *ioc);
 static int      SendEventNotification(MPT_ADAPTER *ioc, u8 EvSwitch);
 static int      SendEventAck(MPT_ADAPTER *ioc, EventNotificationReply_t *evnp);
 static int      mpt_host_page_access_control(MPT_ADAPTER *ioc, u8 access_control_value, int sleepFlag);
@@ -1880,6 +1881,7 @@ mpt_do_ioc_recovery(MPT_ADAPTER *ioc, u32 reason, int sleepFlag)
                 }
 
                 GetIoUnitPage2(ioc);
+                mpt_get_manufacturing_pg_0(ioc);
         }
 
         /*
@@ -5190,6 +5192,49 @@ mpt_read_ioc_pg_1(MPT_ADAPTER *ioc)
         return;
 }
 
+static void
+mpt_get_manufacturing_pg_0(MPT_ADAPTER *ioc)
+{
+        CONFIGPARMS             cfg;
+        ConfigPageHeader_t      hdr;
+        dma_addr_t              buf_dma;
+        ManufacturingPage0_t    *pbuf = NULL;
+
+        memset(&cfg, 0 , sizeof(CONFIGPARMS));
+        memset(&hdr, 0 , sizeof(ConfigPageHeader_t));
+
+        hdr.PageType = MPI_CONFIG_PAGETYPE_MANUFACTURING;
+        cfg.cfghdr.hdr = &hdr;
+        cfg.physAddr = -1;
+        cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
+        cfg.timeout = 10;
+
+        if (mpt_config(ioc, &cfg) != 0)
+                goto out;
+
+        if (!cfg.cfghdr.hdr->PageLength)
+                goto out;
+
+        cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
+        pbuf = pci_alloc_consistent(ioc->pcidev, hdr.PageLength * 4, &buf_dma);
+        if (!pbuf)
+                goto out;
+
+        cfg.physAddr = buf_dma;
+
+        if (mpt_config(ioc, &cfg) != 0)
+                goto out;
+
+        memcpy(ioc->board_name, pbuf->BoardName, sizeof(ioc->board_name));
+        memcpy(ioc->board_assembly, pbuf->BoardAssembly, sizeof(ioc->board_assembly));
+        memcpy(ioc->board_tracer, pbuf->BoardTracerNumber, sizeof(ioc->board_tracer));
+
+        out:
+
+        if (pbuf)
+                pci_free_consistent(ioc->pcidev, hdr.PageLength * 4, pbuf, buf_dma);
+}
+
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 /**
  *      SendEventNotification - Send EventNotification (on or off) request to adapter
diff --git a/drivers/message/fusion/mptbase.h b/drivers/message/fusion/mptbase.h
index 05eb6e528753..959d24372d03 100644
--- a/drivers/message/fusion/mptbase.h
+++ b/drivers/message/fusion/mptbase.h
@@ -538,6 +538,13 @@ typedef struct _MPT_ADAPTER
         int                      pci_irq;       /* This irq           */
         char                     name[MPT_NAME_LENGTH]; /* "iocN"             */
         char                    *prod_name;     /* "LSIFC9x9"         */
+        char                     board_name[16];
+        char                     board_assembly[16];
+        char                     board_tracer[16];
+        u16                      nvdata_version_persistent;
+        u16                      nvdata_version_default;
+        u8                       io_missing_delay;
+        u8                       device_missing_delay;
         SYSIF_REGS __iomem      *chip;          /* == c8817000 (mmap) */
         SYSIF_REGS __iomem      *pio_chip;      /* Programmed IO (downloadboot) */
         u8                       bus_type;
diff --git a/drivers/message/fusion/mptfc.c b/drivers/message/fusion/mptfc.c
index b766445f19aa..d2db93b8aa99 100644
--- a/drivers/message/fusion/mptfc.c
+++ b/drivers/message/fusion/mptfc.c
@@ -130,6 +130,7 @@ static struct scsi_host_template mptfc_driver_template = {
         .max_sectors                    = 8192,
         .cmd_per_lun                    = 7,
         .use_clustering                 = ENABLE_CLUSTERING,
+        .shost_attrs                    = mptscsih_host_attrs,
 };
 
 /****************************************************************************
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);
diff --git a/drivers/message/fusion/mptscsih.c b/drivers/message/fusion/mptscsih.c
index d35617376f87..fd3aa2619f42 100644
--- a/drivers/message/fusion/mptscsih.c
+++ b/drivers/message/fusion/mptscsih.c
@@ -3187,6 +3187,159 @@ mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice)
         mptscsih_do_cmd(hd, &iocmd);
 }
 
+static ssize_t
+mptscsih_version_fw_show(struct class_device *cdev, char *buf)
+{
+        struct Scsi_Host *host = class_to_shost(cdev);
+        MPT_SCSI_HOST   *hd = (MPT_SCSI_HOST *)host->hostdata;
+        MPT_ADAPTER *ioc = hd->ioc;
+
+        return snprintf(buf, PAGE_SIZE, "%02d.%02d.%02d.%02d\n",
+            (ioc->facts.FWVersion.Word & 0xFF000000) >> 24,
+            (ioc->facts.FWVersion.Word & 0x00FF0000) >> 16,
+            (ioc->facts.FWVersion.Word & 0x0000FF00) >> 8,
+            ioc->facts.FWVersion.Word & 0x000000FF);
+}
+static CLASS_DEVICE_ATTR(version_fw, S_IRUGO, mptscsih_version_fw_show, NULL);
+
+static ssize_t
+mptscsih_version_bios_show(struct class_device *cdev, char *buf)
+{
+        struct Scsi_Host *host = class_to_shost(cdev);
+        MPT_SCSI_HOST   *hd = (MPT_SCSI_HOST *)host->hostdata;
+        MPT_ADAPTER *ioc = hd->ioc;
+
+        return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n",
+            (ioc->biosVersion & 0xFF000000) >> 24,
+            (ioc->biosVersion & 0x00FF0000) >> 16,
+            (ioc->biosVersion & 0x0000FF00) >> 8,
+            ioc->biosVersion & 0x000000FF);
+}
+static CLASS_DEVICE_ATTR(version_bios, S_IRUGO, mptscsih_version_bios_show, NULL);
+
+static ssize_t
+mptscsih_version_mpi_show(struct class_device *cdev, char *buf)
+{
+        struct Scsi_Host *host = class_to_shost(cdev);
+        MPT_SCSI_HOST   *hd = (MPT_SCSI_HOST *)host->hostdata;
+        MPT_ADAPTER *ioc = hd->ioc;
+
+        return snprintf(buf, PAGE_SIZE, "%03x\n", ioc->facts.MsgVersion);
+}
+static CLASS_DEVICE_ATTR(version_mpi, S_IRUGO, mptscsih_version_mpi_show, NULL);
+
+static ssize_t
+mptscsih_version_product_show(struct class_device *cdev, char *buf)
+{
+        struct Scsi_Host *host = class_to_shost(cdev);
+        MPT_SCSI_HOST   *hd = (MPT_SCSI_HOST *)host->hostdata;
+        MPT_ADAPTER *ioc = hd->ioc;
+
+        return snprintf(buf, PAGE_SIZE, "%s\n", ioc->prod_name);
+}
+static CLASS_DEVICE_ATTR(version_product, S_IRUGO,
+    mptscsih_version_product_show, NULL);
+
+static ssize_t
+mptscsih_version_nvdata_persistent_show(struct class_device *cdev, char *buf)
+{
+        struct Scsi_Host *host = class_to_shost(cdev);
+        MPT_SCSI_HOST   *hd = (MPT_SCSI_HOST *)host->hostdata;
+        MPT_ADAPTER *ioc = hd->ioc;
+
+        return snprintf(buf, PAGE_SIZE, "%02xh\n",
+            ioc->nvdata_version_persistent);
+}
+static CLASS_DEVICE_ATTR(version_nvdata_persistent, S_IRUGO,
+    mptscsih_version_nvdata_persistent_show, NULL);
+
+static ssize_t
+mptscsih_version_nvdata_default_show(struct class_device *cdev, char *buf)
+{
+        struct Scsi_Host *host = class_to_shost(cdev);
+        MPT_SCSI_HOST   *hd = (MPT_SCSI_HOST *)host->hostdata;
+        MPT_ADAPTER *ioc = hd->ioc;
+
+        return snprintf(buf, PAGE_SIZE, "%02xh\n",ioc->nvdata_version_default);
+}
+static CLASS_DEVICE_ATTR(version_nvdata_default, S_IRUGO,
+    mptscsih_version_nvdata_default_show, NULL);
+
+static ssize_t
+mptscsih_board_name_show(struct class_device *cdev, char *buf)
+{
+        struct Scsi_Host *host = class_to_shost(cdev);
+        MPT_SCSI_HOST   *hd = (MPT_SCSI_HOST *)host->hostdata;
+        MPT_ADAPTER *ioc = hd->ioc;
+
+        return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_name);
+}
+static CLASS_DEVICE_ATTR(board_name, S_IRUGO, mptscsih_board_name_show, NULL);
+
+static ssize_t
+mptscsih_board_assembly_show(struct class_device *cdev, char *buf)
+{
+        struct Scsi_Host *host = class_to_shost(cdev);
+        MPT_SCSI_HOST   *hd = (MPT_SCSI_HOST *)host->hostdata;
+        MPT_ADAPTER *ioc = hd->ioc;
+
+        return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_assembly);
+}
+static CLASS_DEVICE_ATTR(board_assembly, S_IRUGO,
+    mptscsih_board_assembly_show, NULL);
+
+static ssize_t
+mptscsih_board_tracer_show(struct class_device *cdev, char *buf)
+{
+        struct Scsi_Host *host = class_to_shost(cdev);
+        MPT_SCSI_HOST   *hd = (MPT_SCSI_HOST *)host->hostdata;
+        MPT_ADAPTER *ioc = hd->ioc;
+
+        return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_tracer);
+}
+static CLASS_DEVICE_ATTR(board_tracer, S_IRUGO,
+    mptscsih_board_tracer_show, NULL);
+
+static ssize_t
+mptscsih_io_delay_show(struct class_device *cdev, char *buf)
+{
+        struct Scsi_Host *host = class_to_shost(cdev);
+        MPT_SCSI_HOST   *hd = (MPT_SCSI_HOST *)host->hostdata;
+        MPT_ADAPTER *ioc = hd->ioc;
+
+        return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->io_missing_delay);
+}
+static CLASS_DEVICE_ATTR(io_delay, S_IRUGO,
+    mptscsih_io_delay_show, NULL);
+
+static ssize_t
+mptscsih_device_delay_show(struct class_device *cdev, char *buf)
+{
+        struct Scsi_Host *host = class_to_shost(cdev);
+        MPT_SCSI_HOST   *hd = (MPT_SCSI_HOST *)host->hostdata;
+        MPT_ADAPTER *ioc = hd->ioc;
+
+        return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->device_missing_delay);
+}
+static CLASS_DEVICE_ATTR(device_delay, S_IRUGO,
+    mptscsih_device_delay_show, NULL);
+
+struct class_device_attribute *mptscsih_host_attrs[] = {
+        &class_device_attr_version_fw,
+        &class_device_attr_version_bios,
+        &class_device_attr_version_mpi,
+        &class_device_attr_version_product,
+        &class_device_attr_version_nvdata_persistent,
+        &class_device_attr_version_nvdata_default,
+        &class_device_attr_board_name,
+        &class_device_attr_board_assembly,
+        &class_device_attr_board_tracer,
+        &class_device_attr_io_delay,
+        &class_device_attr_device_delay,
+        NULL,
+};
+EXPORT_SYMBOL(mptscsih_host_attrs);
+
 EXPORT_SYMBOL(mptscsih_remove);
 EXPORT_SYMBOL(mptscsih_shutdown);
 #ifdef CONFIG_PM
diff --git a/drivers/message/fusion/mptscsih.h b/drivers/message/fusion/mptscsih.h
index 8eccdfe5701a..67b088db2f10 100644
--- a/drivers/message/fusion/mptscsih.h
+++ b/drivers/message/fusion/mptscsih.h
@@ -129,3 +129,4 @@ extern void mptscsih_timer_expired(unsigned long data);
 extern int mptscsih_TMHandler(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id, int lun, int ctx2abort, ulong timeout);
 extern u8 mptscsih_raid_id_to_num(MPT_ADAPTER *ioc, u8 channel, u8 id);
 extern int mptscsih_is_phys_disk(MPT_ADAPTER *ioc, u8 channel, u8 id);
+extern struct class_device_attribute *mptscsih_host_attrs[];
diff --git a/drivers/message/fusion/mptspi.c b/drivers/message/fusion/mptspi.c
index 6b3e0c00952b..4d2c98104aeb 100644
--- a/drivers/message/fusion/mptspi.c
+++ b/drivers/message/fusion/mptspi.c
@@ -821,6 +821,7 @@ static struct scsi_host_template mptspi_driver_template = {
         .max_sectors                    = 8192,
         .cmd_per_lun                    = 7,
         .use_clustering                 = ENABLE_CLUSTERING,
+        .shost_attrs                    = mptscsih_host_attrs,
 };
 
 static int mptspi_write_spi_device_pg1(struct scsi_target *starget,