[SCSI] ufs: add dme configuration primitives
Implements to support GET and SET operations of the DME.
These operations are used to configure the behavior of
the UNIPRO. Along with basic operation, {Peer/AttrSetType}
can be mixed.
Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com>
Reviewed-by: Subhash Jadavani <subhashj@codeaurora.org>
Tested-by: Yaniv Gardi <ygardi@codeaurora.org>
Signed-off-by: Santosh Y <santoshsy@gmail.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h
index 59c9c48..648ab16 100644
--- a/drivers/scsi/ufs/ufshcd.h
+++ b/drivers/scsi/ufs/ufshcd.h
@@ -263,4 +263,55 @@
extern int ufshcd_runtime_suspend(struct ufs_hba *hba);
extern int ufshcd_runtime_resume(struct ufs_hba *hba);
extern int ufshcd_runtime_idle(struct ufs_hba *hba);
+extern int ufshcd_dme_set_attr(struct ufs_hba *hba, u32 attr_sel,
+ u8 attr_set, u32 mib_val, u8 peer);
+extern int ufshcd_dme_get_attr(struct ufs_hba *hba, u32 attr_sel,
+ u32 *mib_val, u8 peer);
+
+/* UIC command interfaces for DME primitives */
+#define DME_LOCAL 0
+#define DME_PEER 1
+#define ATTR_SET_NOR 0 /* NORMAL */
+#define ATTR_SET_ST 1 /* STATIC */
+
+static inline int ufshcd_dme_set(struct ufs_hba *hba, u32 attr_sel,
+ u32 mib_val)
+{
+ return ufshcd_dme_set_attr(hba, attr_sel, ATTR_SET_NOR,
+ mib_val, DME_LOCAL);
+}
+
+static inline int ufshcd_dme_st_set(struct ufs_hba *hba, u32 attr_sel,
+ u32 mib_val)
+{
+ return ufshcd_dme_set_attr(hba, attr_sel, ATTR_SET_ST,
+ mib_val, DME_LOCAL);
+}
+
+static inline int ufshcd_dme_peer_set(struct ufs_hba *hba, u32 attr_sel,
+ u32 mib_val)
+{
+ return ufshcd_dme_set_attr(hba, attr_sel, ATTR_SET_NOR,
+ mib_val, DME_PEER);
+}
+
+static inline int ufshcd_dme_peer_st_set(struct ufs_hba *hba, u32 attr_sel,
+ u32 mib_val)
+{
+ return ufshcd_dme_set_attr(hba, attr_sel, ATTR_SET_ST,
+ mib_val, DME_PEER);
+}
+
+static inline int ufshcd_dme_get(struct ufs_hba *hba,
+ u32 attr_sel, u32 *mib_val)
+{
+ return ufshcd_dme_get_attr(hba, attr_sel, mib_val, DME_LOCAL);
+}
+
+static inline int ufshcd_dme_peer_get(struct ufs_hba *hba,
+ u32 attr_sel, u32 *mib_val)
+{
+ return ufshcd_dme_get_attr(hba, attr_sel, mib_val, DME_PEER);
+}
+
#endif /* End of Header */
