[SCSI] hpsa: get ioaccel mode 2 i/o working

Signed-off-by: Scott Teel <scott.teel@hp.com>
Signed-off-by: Joe Handzik <Joseph.T.Handzik@hp.com>
Signed-off-by: Mike Miller <michael.miller@canonical.com>
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>

1 files changed, 20 insertions, 0 deletions

diff --git a/drivers/scsi/hpsa.h b/drivers/scsi/hpsa.h
index 0e14e9bf735a..45bb1ea6835e 100644
--- a/drivers/scsi/hpsa.h
+++ b/drivers/scsi/hpsa.h
@@ -282,6 +282,18 @@ static void SA5_submit_command(struct ctlr_info *h,
         (void) readl(h->vaddr + SA5_SCRATCHPAD_OFFSET);
 }
 
+static void SA5_submit_command_ioaccel2(struct ctlr_info *h,
+        struct CommandList *c)
+{
+        dev_dbg(&h->pdev->dev, "Sending %x, tag = %x\n", c->busaddr,
+                c->Header.Tag.lower);
+        if (c->cmd_type == CMD_IOACCEL2)
+                writel(c->busaddr, h->vaddr + IOACCEL2_INBOUND_POSTQ_32);
+        else
+                writel(c->busaddr, h->vaddr + SA5_REQUEST_PORT_OFFSET);
+        (void) readl(h->vaddr + SA5_SCRATCHPAD_OFFSET);
+}
+
 /*
  *  This card is the opposite of the other cards.
  *   0 turns interrupts on...
@@ -475,6 +487,14 @@ static struct access_method SA5_ioaccel_mode1_access = {
         SA5_ioaccel_mode1_completed,
 };
 
+static struct access_method SA5_ioaccel_mode2_access = {
+        SA5_submit_command_ioaccel2,
+        SA5_performant_intr_mask,
+        SA5_fifo_full,
+        SA5_performant_intr_pending,
+        SA5_performant_completed,
+};
+
 static struct access_method SA5_performant_access = {
         SA5_submit_command,
         SA5_performant_intr_mask,