[SCSI] aacraid: 1024 max outstanding command support for Series 7 and above

Signed-off-by: Mahesh Rajashekhara <Mahesh_Rajashekhara@pmc-sierra.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>

1 files changed, 10 insertions, 1 deletions

diff --git a/drivers/scsi/aacraid/comminit.c b/drivers/scsi/aacraid/comminit.c
index 8e5d3be16127..3f759957f4b4 100644
--- a/drivers/scsi/aacraid/comminit.c
+++ b/drivers/scsi/aacraid/comminit.c
@@ -404,7 +404,13 @@ struct aac_dev *aac_init_adapter(struct aac_dev *dev)
                 dev->max_fib_size = status[1] & 0xFFE0;
                 host->sg_tablesize = status[2] >> 16;
                 dev->sg_tablesize = status[2] & 0xFFFF;
-                host->can_queue = (status[3] & 0xFFFF) - AAC_NUM_MGT_FIB;
+                if (dev->pdev->device == PMC_DEVICE_S7 ||
+                    dev->pdev->device == PMC_DEVICE_S8 ||
+                    dev->pdev->device == PMC_DEVICE_S9)
+                        host->can_queue = ((status[3] >> 16) ? (status[3] >> 16) :
+                                (status[3] & 0xFFFF)) - AAC_NUM_MGT_FIB;
+                else
+                        host->can_queue = (status[3] & 0xFFFF) - AAC_NUM_MGT_FIB;
                 dev->max_num_aif = status[4] & 0xFFFF;
                 /*
                  *      NOTE:
@@ -452,6 +458,9 @@ struct aac_dev *aac_init_adapter(struct aac_dev *dev)
                 }
         }
 
+        if (host->can_queue > AAC_NUM_IO_FIB)
+                host->can_queue = AAC_NUM_IO_FIB;
+
         /*
          *      Ok now init the communication subsystem
          */