diff options
Diffstat (limited to 'drivers/misc/mei/interface.c')
| -rw-r--r-- | drivers/misc/mei/interface.c | 91 |
1 files changed, 36 insertions, 55 deletions
diff --git a/drivers/misc/mei/interface.c b/drivers/misc/mei/interface.c index 509c3957ff45..8de854785960 100644 --- a/drivers/misc/mei/interface.c +++ b/drivers/misc/mei/interface.c @@ -292,28 +292,23 @@ int mei_flow_ctrl_reduce(struct mei_device *dev, struct mei_cl *cl) int mei_send_flow_control(struct mei_device *dev, struct mei_cl *cl) { struct mei_msg_hdr *mei_hdr; - struct hbm_flow_control *mei_flow_control; - - mei_hdr = (struct mei_msg_hdr *) &dev->wr_msg_buf[0]; - mei_hdr->host_addr = 0; - mei_hdr->me_addr = 0; - mei_hdr->length = sizeof(struct hbm_flow_control); - mei_hdr->msg_complete = 1; - mei_hdr->reserved = 0; - - mei_flow_control = (struct hbm_flow_control *) &dev->wr_msg_buf[1]; - memset(mei_flow_control, 0, sizeof(*mei_flow_control)); - mei_flow_control->host_addr = cl->host_client_id; - mei_flow_control->me_addr = cl->me_client_id; - mei_flow_control->hbm_cmd = MEI_FLOW_CONTROL_CMD; - memset(mei_flow_control->reserved, 0, - sizeof(mei_flow_control->reserved)); + struct hbm_flow_control *flow_ctrl; + const size_t len = sizeof(struct hbm_flow_control); + + mei_hdr = mei_hbm_hdr(&dev->wr_msg_buf[0], len); + + flow_ctrl = (struct hbm_flow_control *)&dev->wr_msg_buf[1]; + memset(flow_ctrl, 0, len); + flow_ctrl->hbm_cmd = MEI_FLOW_CONTROL_CMD; + flow_ctrl->host_addr = cl->host_client_id; + flow_ctrl->me_addr = cl->me_client_id; + /* FIXME: reserved !? */ + memset(flow_ctrl->reserved, 0, sizeof(flow_ctrl->reserved)); dev_dbg(&dev->pdev->dev, "sending flow control host client = %d, ME client = %d\n", cl->host_client_id, cl->me_client_id); return mei_write_message(dev, mei_hdr, - (unsigned char *) mei_flow_control, - sizeof(struct hbm_flow_control)); + (unsigned char *) flow_ctrl, len); } /** @@ -352,26 +347,19 @@ int mei_other_client_is_connecting(struct mei_device *dev, int mei_disconnect(struct mei_device *dev, struct mei_cl *cl) { struct mei_msg_hdr *mei_hdr; - struct hbm_client_disconnect_request *mei_cli_disconnect; - - mei_hdr = (struct mei_msg_hdr *) &dev->wr_msg_buf[0]; - mei_hdr->host_addr = 0; - mei_hdr->me_addr = 0; - mei_hdr->length = sizeof(struct hbm_client_disconnect_request); - mei_hdr->msg_complete = 1; - mei_hdr->reserved = 0; - - mei_cli_disconnect = - (struct hbm_client_disconnect_request *) &dev->wr_msg_buf[1]; - memset(mei_cli_disconnect, 0, sizeof(*mei_cli_disconnect)); - mei_cli_disconnect->host_addr = cl->host_client_id; - mei_cli_disconnect->me_addr = cl->me_client_id; - mei_cli_disconnect->hbm_cmd = CLIENT_DISCONNECT_REQ_CMD; - mei_cli_disconnect->reserved[0] = 0; + struct hbm_client_connect_request *req; + const size_t len = sizeof(struct hbm_client_connect_request); - return mei_write_message(dev, mei_hdr, - (unsigned char *) mei_cli_disconnect, - sizeof(struct hbm_client_disconnect_request)); + mei_hdr = mei_hbm_hdr(&dev->wr_msg_buf[0], len); + + req = (struct hbm_client_connect_request *)&dev->wr_msg_buf[1]; + memset(req, 0, len); + req->hbm_cmd = CLIENT_DISCONNECT_REQ_CMD; + req->host_addr = cl->host_client_id; + req->me_addr = cl->me_client_id; + req->reserved = 0; + + return mei_write_message(dev, mei_hdr, (unsigned char *)req, len); } /** @@ -385,23 +373,16 @@ int mei_disconnect(struct mei_device *dev, struct mei_cl *cl) int mei_connect(struct mei_device *dev, struct mei_cl *cl) { struct mei_msg_hdr *mei_hdr; - struct hbm_client_connect_request *mei_cli_connect; - - mei_hdr = (struct mei_msg_hdr *) &dev->wr_msg_buf[0]; - mei_hdr->host_addr = 0; - mei_hdr->me_addr = 0; - mei_hdr->length = sizeof(struct hbm_client_connect_request); - mei_hdr->msg_complete = 1; - mei_hdr->reserved = 0; - - mei_cli_connect = - (struct hbm_client_connect_request *) &dev->wr_msg_buf[1]; - mei_cli_connect->host_addr = cl->host_client_id; - mei_cli_connect->me_addr = cl->me_client_id; - mei_cli_connect->hbm_cmd = CLIENT_CONNECT_REQ_CMD; - mei_cli_connect->reserved = 0; + struct hbm_client_connect_request *req; + const size_t len = sizeof(struct hbm_client_connect_request); - return mei_write_message(dev, mei_hdr, - (unsigned char *) mei_cli_connect, - sizeof(struct hbm_client_connect_request)); + mei_hdr = mei_hbm_hdr(&dev->wr_msg_buf[0], len); + + req = (struct hbm_client_connect_request *) &dev->wr_msg_buf[1]; + req->hbm_cmd = CLIENT_CONNECT_REQ_CMD; + req->host_addr = cl->host_client_id; + req->me_addr = cl->me_client_id; + req->reserved = 0; + + return mei_write_message(dev, mei_hdr, (unsigned char *) req, len); } |