be2net: Changes to support flashing of the be2 network adapter

Changes to support flashing of the be2 network adapter using the
request_firmware() & ethtool infrastructure. The trigger to flash the device
will come from ethtool utility. The driver will invoke request_firmware()
to start the flash process. The file containing the flash image is expected
to be available in /lib/firmware/

Signed-off-by: Ajit Khaparde <ajitk@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 29 insertions, 1 deletions

diff --git a/drivers/net/benet/be_cmds.c b/drivers/net/benet/be_cmds.c
index 2547ee296a7d..1db092498309 100644
--- a/drivers/net/benet/be_cmds.c
+++ b/drivers/net/benet/be_cmds.c
@@ -155,7 +155,7 @@ static int be_mbox_db_ready_wait(struct be_adapter *adapter, void __iomem *db)
                 if (ready)
                         break;
 
-                if (cnt > 200000) {
+                if (cnt > 4000000) {
                         dev_err(&adapter->pdev->dev, "mbox poll timed out\n");
                         return -1;
                 }
@@ -1040,3 +1040,31 @@ int be_cmd_reset_function(struct be_adapter *adapter)
         spin_unlock(&adapter->mbox_lock);
         return status;
 }
+
+int be_cmd_write_flashrom(struct be_adapter *adapter, struct be_dma_mem *cmd,
+                        u32 flash_type, u32 flash_opcode, u32 buf_size)
+{
+        struct be_mcc_wrb *wrb = wrb_from_mbox(&adapter->mbox_mem);
+        struct be_cmd_write_flashrom *req = cmd->va;
+        struct be_sge *sge = nonembedded_sgl(wrb);
+        int status;
+
+        spin_lock(&adapter->mbox_lock);
+        memset(wrb, 0, sizeof(*wrb));
+        be_wrb_hdr_prepare(wrb, cmd->size, false, 1);
+
+        be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
+                OPCODE_COMMON_WRITE_FLASHROM, cmd->size);
+        sge->pa_hi = cpu_to_le32(upper_32_bits(cmd->dma));
+        sge->pa_lo = cpu_to_le32(cmd->dma & 0xFFFFFFFF);
+        sge->len = cpu_to_le32(cmd->size);
+
+        req->params.op_type = cpu_to_le32(flash_type);
+        req->params.op_code = cpu_to_le32(flash_opcode);
+        req->params.data_buf_size = cpu_to_le32(buf_size);
+
+        status = be_mbox_notify(adapter);
+
+        spin_unlock(&adapter->mbox_lock);
+        return status;
+}