From: Parav Pandit <parav.pan...@emulex.com>
- Added generic function to issue mailbox cmd on MQ as export function.
- RoCE driver will use this before it setups its own MQ.
Signed-off-by: Parav Pandit <parav.pan...@emulex.com>
---
drivers/net/ethernet/emulex/benet/be_cmds.c | 39 +++++++++++++++++++++++++++
1 files changed, 39 insertions(+), 0 deletions(-)
diff --git a/drivers/net/ethernet/emulex/benet/be_cmds.c
b/drivers/net/ethernet/emulex/benet/be_cmds.c
index 0fcb456..19037b0 100644
--- a/drivers/net/ethernet/emulex/benet/be_cmds.c
+++ b/drivers/net/ethernet/emulex/benet/be_cmds.c
@@ -15,6 +15,7 @@
* Costa Mesa, CA 92626
*/
+#include <linux/module.h>
#include "be.h"
#include "be_cmds.h"
@@ -2391,3 +2392,41 @@ err:
spin_unlock_bh(&adapter->mcc_lock);
return status;
}
+
+int be_roce_mcc_cmd(void *netdev_handle, void *wrb_payload,
+ int wrb_payload_size, u16 *cmd_status, u16 *ext_status)
+{
+ struct be_adapter *adapter = netdev_priv(netdev_handle);
+ struct be_mcc_wrb *wrb;
+ struct be_cmd_req_hdr *hdr = (struct be_cmd_req_hdr *) wrb_payload;
+ struct be_cmd_req_hdr *req;
+ struct be_cmd_resp_hdr *resp;
+ int status;
+
+ spin_lock_bh(&adapter->mcc_lock);
+
+ wrb = wrb_from_mccq(adapter);
+ if (!wrb) {
+ status = -EBUSY;
+ goto err;
+ }
+ req = embedded_payload(wrb);
+ resp = embedded_payload(wrb);
+
+ be_wrb_cmd_hdr_prepare(req, hdr->subsystem,
+ hdr->opcode, wrb_payload_size, wrb, NULL);
+ memcpy(req, wrb_payload, wrb_payload_size);
+ be_dws_cpu_to_le(req, wrb_payload_size);
+
+ status = be_mcc_notify_wait(adapter);
+ if (cmd_status)
+ *cmd_status = (status & 0xffff);
+ if (ext_status)
+ *ext_status = 0;
+ memcpy(wrb_payload, resp, sizeof(*resp) + resp->response_length);
+ be_dws_le_to_cpu(wrb_payload, sizeof(*resp) + resp->response_length);
+err:
+ spin_unlock_bh(&adapter->mcc_lock);
+ return status;
+}
+EXPORT_SYMBOL(be_roce_mcc_cmd);
--
1.6.0.2
--
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