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-rw-r--r--drivers/scsi/ufs/ufs-sysfs.c18
-rw-r--r--drivers/scsi/ufs/ufs.h8
2 files changed, 26 insertions, 0 deletions
diff --git a/drivers/scsi/ufs/ufs-sysfs.c b/drivers/scsi/ufs/ufs-sysfs.c
index 440b94e..ba229d9 100644
--- a/drivers/scsi/ufs/ufs-sysfs.c
+++ b/drivers/scsi/ufs/ufs-sysfs.c
@@ -249,9 +249,27 @@ static const struct attribute_group ufs_sysfs_device_descriptor_group = {
.attrs = ufs_sysfs_device_descriptor,
};
+#define UFS_INTERCONNECT_DESC_PARAM(_name, _uname, _size) \
+ UFS_DESC_PARAM(_name, _uname, INTERCONNECT, _size)
+
+UFS_INTERCONNECT_DESC_PARAM(unipro_version, _UNIPRO_VER, 2);
+UFS_INTERCONNECT_DESC_PARAM(mphy_version, _MPHY_VER, 2);
+
+static struct attribute *ufs_sysfs_interconnect_descriptor[] = {
+ &dev_attr_unipro_version.attr,
+ &dev_attr_mphy_version.attr,
+ NULL,
+};
+
+static const struct attribute_group ufs_sysfs_interconnect_descriptor_group = {
+ .name = "interconnect_descriptor",
+ .attrs = ufs_sysfs_interconnect_descriptor,
+};
+
static const struct attribute_group *ufs_sysfs_groups[] = {
&ufs_sysfs_default_group,
&ufs_sysfs_device_descriptor_group,
+ &ufs_sysfs_interconnect_descriptor_group,
NULL,
};
diff --git a/drivers/scsi/ufs/ufs.h b/drivers/scsi/ufs/ufs.h
index 6ae1e08..773c049 100644
--- a/drivers/scsi/ufs/ufs.h
+++ b/drivers/scsi/ufs/ufs.h
@@ -230,6 +230,14 @@ enum device_desc_param {
DEVICE_DESC_PARAM_PRDCT_REV = 0x2A,
};
+/* Interconnect descriptor parameters offsets in bytes*/
+enum interconnect_desc_param {
+ INTERCONNECT_DESC_PARAM_LEN = 0x0,
+ INTERCONNECT_DESC_PARAM_TYPE = 0x1,
+ INTERCONNECT_DESC_PARAM_UNIPRO_VER = 0x2,
+ INTERCONNECT_DESC_PARAM_MPHY_VER = 0x4,
+};
+
/*
* Logical Unit Write Protect
* 00h: LU not write protected
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