1 files changed, 33 insertions, 0 deletions

diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c
index 828f0ca7c1b3..7ef86cb3aa55 100644
--- a/drivers/message/fusion/mptbase.c
+++ b/drivers/message/fusion/mptbase.c
@@ -842,6 +842,38 @@ mpt_put_msg_frame(int handle, MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf)
         CHIPREG_WRITE32(&ioc->chip->RequestFifo, mf_dma_addr);
 }
 
+/**
+ *      mpt_put_msg_frame_hi_pri - Send a protocol specific MPT request frame
+ *      to a IOC using hi priority request queue.
+ *      @handle: Handle of registered MPT protocol driver
+ *      @ioc: Pointer to MPT adapter structure
+ *      @mf: Pointer to MPT request frame
+ *
+ *      This routine posts a MPT request frame to the request post FIFO of a
+ *      specific MPT adapter.
+ **/
+void
+mpt_put_msg_frame_hi_pri(int handle, MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf)
+{
+        u32 mf_dma_addr;
+        int req_offset;
+        u16      req_idx;       /* Request index */
+
+        /* ensure values are reset properly! */
+        mf->u.frame.hwhdr.msgctxu.fld.cb_idx = handle;
+        req_offset = (u8 *)mf - (u8 *)ioc->req_frames;
+        req_idx = req_offset / ioc->req_sz;
+        mf->u.frame.hwhdr.msgctxu.fld.req_idx = cpu_to_le16(req_idx);
+        mf->u.frame.hwhdr.msgctxu.fld.rsvd = 0;
+
+        DBG_DUMP_PUT_MSG_FRAME(ioc, (u32 *)mf);
+
+        mf_dma_addr = (ioc->req_frames_low_dma + req_offset);
+        dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mf_dma_addr=%x req_idx=%d\n",
+                ioc->name, mf_dma_addr, req_idx));
+        CHIPREG_WRITE32(&ioc->chip->RequestHiPriFifo, mf_dma_addr);
+}
+
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 /**
  *      mpt_free_msg_frame - Place MPT request frame back on FreeQ.
@@ -7315,6 +7347,7 @@ EXPORT_SYMBOL(mpt_device_driver_register);
 EXPORT_SYMBOL(mpt_device_driver_deregister);
 EXPORT_SYMBOL(mpt_get_msg_frame);
 EXPORT_SYMBOL(mpt_put_msg_frame);
+EXPORT_SYMBOL(mpt_put_msg_frame_hi_pri);
 EXPORT_SYMBOL(mpt_free_msg_frame);
 EXPORT_SYMBOL(mpt_add_sge);
 EXPORT_SYMBOL(mpt_send_handshake_request);