1 files changed, 7 insertions, 0 deletions

diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
index b7bdecb7b76e..d0a6a845f204 100644
--- a/include/scsi/scsi_host.h
+++ b/include/scsi/scsi_host.h
@@ -388,6 +388,7 @@ struct scsi_host_template {
          * of scatter-gather.
          */
         unsigned short sg_tablesize;
+        unsigned short sg_prot_tablesize;
 
         /*
          * Set this if the host adapter has limitations beside segment count.
@@ -599,6 +600,7 @@ struct Scsi_Host {
         int can_queue;
         short cmd_per_lun;
         short unsigned int sg_tablesize;
+        short unsigned int sg_prot_tablesize;
         short unsigned int max_sectors;
         unsigned long dma_boundary;
         /* 
@@ -823,6 +825,11 @@ static inline unsigned int scsi_host_get_prot(struct Scsi_Host *shost)
         return shost->prot_capabilities;
 }
 
+static inline int scsi_host_prot_dma(struct Scsi_Host *shost)
+{
+        return shost->prot_capabilities >= SHOST_DIX_TYPE0_PROTECTION;
+}
+
 static inline unsigned int scsi_host_dif_capable(struct Scsi_Host *shost, unsigned int target_type)
 {
         static unsigned char cap[] = { 0,