[PATCH 1/1] aacraid: 1024 max outstanding command support

[Mahesh Rajashekhara]

Hi James,

This patch adds 1024 max outstanding command support for Series 7 and above 
controllers.

Signed-off-by: Mahesh Rajashekhara <mahesh_rajashekh...@pmc-sierra.com>
---
 drivers/scsi/aacraid/aacraid.h  |  8 ++++++--
 drivers/scsi/aacraid/comminit.c | 11 ++++++++++-
 2 files changed, 16 insertions(+), 3 deletions(-)

diff --git a/drivers/scsi/aacraid/aacraid.h b/drivers/scsi/aacraid/aacraid.h
index 742f5d7..a6f7190 100644
--- a/drivers/scsi/aacraid/aacraid.h
+++ b/drivers/scsi/aacraid/aacraid.h
@@ -12,13 +12,13 @@
  
*----------------------------------------------------------------------------*/
 
 #ifndef AAC_DRIVER_BUILD
-# define AAC_DRIVER_BUILD 29801
+# define AAC_DRIVER_BUILD 30000
 # define AAC_DRIVER_BRANCH "-ms"
 #endif
 #define MAXIMUM_NUM_CONTAINERS 32
 
 #define AAC_NUM_MGT_FIB         8
-#define AAC_NUM_IO_FIB         (512 - AAC_NUM_MGT_FIB)
+#define AAC_NUM_IO_FIB         (1024 - AAC_NUM_MGT_FIB)
 #define AAC_NUM_FIB            (AAC_NUM_IO_FIB + AAC_NUM_MGT_FIB)
 
 #define AAC_MAX_LUN            (8)
@@ -36,6 +36,10 @@
 #define CONTAINER_TO_ID(cont)          (cont)
 #define CONTAINER_TO_LUN(cont)         (0)
 
+#define PMC_DEVICE_S7  0x28c
+#define PMC_DEVICE_S8  0x28d
+#define PMC_DEVICE_S9  0x28f
+
 #define aac_phys_to_logical(x)  ((x)+1)
 #define aac_logical_to_phys(x)  ((x)?(x)-1:0)
 
diff --git a/drivers/scsi/aacraid/comminit.c b/drivers/scsi/aacraid/comminit.c
index 8e5d3be..3f75995 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
         */
-- 
1.7.11.7

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