1 files changed, 7 insertions, 0 deletions

diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h
index 636a930a5739..46ccdffb46aa 100644
--- a/drivers/scsi/lpfc/lpfc.h
+++ b/drivers/scsi/lpfc/lpfc.h
@@ -68,6 +68,7 @@ struct lpfc_dmabuf {
         struct list_head list;
         void *virt;             /* virtual address ptr */
         dma_addr_t phys;        /* mapped address */
+        uint32_t   buffer_tag;  /* used for tagged queue ring */
 };
 
 struct lpfc_dma_pool {
@@ -582,6 +583,12 @@ struct lpfc_hba {
         unsigned long last_completion_time;
         struct timer_list hb_tmofunc;
         uint8_t hb_outstanding;
+        /*
+         * Following bit will be set for all buffer tags which are not
+         * associated with any HBQ.
+         */
+#define QUE_BUFTAG_BIT  (1<<31)
+        uint32_t buffer_tag_count;
 };
 
 static inline struct Scsi_Host *