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authorLalit Chandivade <lalit.chandivade@qlogic.com>2009-03-24 09:08:11 -0700
committerJames Bottomley <James.Bottomley@HansenPartnership.com>2009-04-03 09:22:50 -0500
commitfbcbb5d0cf69ba8b59028ec3c5b9f9ff04409b88 (patch)
tree273037fe45d04e9ce49d539fb808df0501c26011 /drivers/scsi/qla2xxx/qla_attr.c
parentddb9b12632ab28460c281d50963bbe3eeda5984a (diff)
[SCSI] qla2xxx: Export flash-block-size for application support.
In handling the RMW semantics needed to update regions not falling on a sector boundary. Signed-off-by: Lalit Chandivade <lalit.chandivade@qlogic.com> Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_attr.c')
-rw-r--r--drivers/scsi/qla2xxx/qla_attr.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index 70e60651c48d..c017dba90039 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -928,6 +928,16 @@ qla2x00_phy_version_show(struct device *dev, struct device_attribute *attr,
ha->phy_version[0], ha->phy_version[1], ha->phy_version[2]);
}
+static ssize_t
+qla2x00_flash_block_size_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
+ struct qla_hw_data *ha = vha->hw;
+
+ return snprintf(buf, PAGE_SIZE, "0x%x\n", ha->fdt_block_size);
+}
+
static DEVICE_ATTR(driver_version, S_IRUGO, qla2x00_drvr_version_show, NULL);
static DEVICE_ATTR(fw_version, S_IRUGO, qla2x00_fw_version_show, NULL);
static DEVICE_ATTR(serial_num, S_IRUGO, qla2x00_serial_num_show, NULL);
@@ -954,6 +964,8 @@ static DEVICE_ATTR(total_isp_aborts, S_IRUGO, qla2x00_total_isp_aborts_show,
NULL);
static DEVICE_ATTR(mpi_version, S_IRUGO, qla2x00_mpi_version_show, NULL);
static DEVICE_ATTR(phy_version, S_IRUGO, qla2x00_phy_version_show, NULL);
+static DEVICE_ATTR(flash_block_size, S_IRUGO, qla2x00_flash_block_size_show,
+ NULL);
struct device_attribute *qla2x00_host_attrs[] = {
&dev_attr_driver_version,
@@ -975,6 +987,7 @@ struct device_attribute *qla2x00_host_attrs[] = {
&dev_attr_total_isp_aborts,
&dev_attr_mpi_version,
&dev_attr_phy_version,
+ &dev_attr_flash_block_size,
NULL,
};