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path: root/drivers/scsi/aacraid/rkt.c
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Diffstat (limited to 'drivers/scsi/aacraid/rkt.c')
-rw-r--r--drivers/scsi/aacraid/rkt.c64
1 files changed, 36 insertions, 28 deletions
diff --git a/drivers/scsi/aacraid/rkt.c b/drivers/scsi/aacraid/rkt.c
index 643f23b5ded..d953c3fe998 100644
--- a/drivers/scsi/aacraid/rkt.c
+++ b/drivers/scsi/aacraid/rkt.c
@@ -34,6 +34,40 @@
#include "aacraid.h"
+#define AAC_NUM_IO_FIB_RKT (246 - AAC_NUM_MGT_FIB)
+
+/**
+ * aac_rkt_select_comm - Select communications method
+ * @dev: Adapter
+ * @comm: communications method
+ */
+
+static int aac_rkt_select_comm(struct aac_dev *dev, int comm)
+{
+ int retval;
+ extern int aac_rx_select_comm(struct aac_dev *dev, int comm);
+ retval = aac_rx_select_comm(dev, comm);
+ if (comm == AAC_COMM_MESSAGE) {
+ /*
+ * FIB Setup has already been done, but we can minimize the
+ * damage by at least ensuring the OS never issues more
+ * commands than we can handle. The Rocket adapters currently
+ * can only handle 246 commands and 8 AIFs at the same time,
+ * and in fact do notify us accordingly if we negotiate the
+ * FIB size. The problem that causes us to add this check is
+ * to ensure that we do not overdo it with the adapter when a
+ * hard coded FIB override is being utilized. This special
+ * case warrants this half baked, but convenient, check here.
+ */
+ if (dev->scsi_host_ptr->can_queue > AAC_NUM_IO_FIB_RKT) {
+ dev->init->MaxIoCommands =
+ cpu_to_le32(AAC_NUM_IO_FIB_RKT + AAC_NUM_MGT_FIB);
+ dev->scsi_host_ptr->can_queue = AAC_NUM_IO_FIB_RKT;
+ }
+ }
+ return retval;
+}
+
/**
* aac_rkt_ioremap
* @size: mapping resize request
@@ -63,39 +97,13 @@ static int aac_rkt_ioremap(struct aac_dev * dev, u32 size)
int aac_rkt_init(struct aac_dev *dev)
{
- int retval;
extern int _aac_rx_init(struct aac_dev *dev);
- extern void aac_rx_start_adapter(struct aac_dev *dev);
/*
* Fill in the function dispatch table.
*/
dev->a_ops.adapter_ioremap = aac_rkt_ioremap;
+ dev->a_ops.adapter_comm = aac_rkt_select_comm;
- retval = _aac_rx_init(dev);
- if (retval)
- return retval;
- if (dev->new_comm_interface) {
- /*
- * FIB Setup has already been done, but we can minimize the
- * damage by at least ensuring the OS never issues more
- * commands than we can handle. The Rocket adapters currently
- * can only handle 246 commands and 8 AIFs at the same time,
- * and in fact do notify us accordingly if we negotiate the
- * FIB size. The problem that causes us to add this check is
- * to ensure that we do not overdo it with the adapter when a
- * hard coded FIB override is being utilized. This special
- * case warrants this half baked, but convenient, check here.
- */
- if (dev->scsi_host_ptr->can_queue > (246 - AAC_NUM_MGT_FIB)) {
- dev->init->MaxIoCommands = cpu_to_le32(246);
- dev->scsi_host_ptr->can_queue = 246 - AAC_NUM_MGT_FIB;
- }
- }
- /*
- * Tell the adapter that all is configured, and it can start
- * accepting requests
- */
- aac_rx_start_adapter(dev);
- return 0;
+ return _aac_rx_init(dev);
}