[PATCH 05/12] ath10k: Add support of QMI indication message

[Govind Singh <govinds@xxxxxxxxxxxxxx>]

Add support of indication qmi message to communicate
with wlan qmi server. Indication message request
describes client capability and in response client
gets the state of wlan qmi service.

Signed-off-by: Govind Singh <govinds@xxxxxxxxxxxxxx>
---
 drivers/net/wireless/ath/ath10k/qmi.c | 71 ++++++++++++++++++++++++++++++++++-
 1 file changed, 70 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/ath/ath10k/qmi.c b/drivers/net/wireless/ath/ath10k/qmi.c
index 3a7fcc6..bc80b8f 100644
--- a/drivers/net/wireless/ath/ath10k/qmi.c
+++ b/drivers/net/wireless/ath/ath10k/qmi.c
@@ -29,8 +29,76 @@
 #include "qmi.h"
 #include "qmi_svc_v01.h"
 
+#define WLFW_CLIENT_ID			0x4b4e454c
+#define WLFW_TIMEOUT			500
+
 static struct ath10k_qmi *qmi;
 
+static int
+ath10k_qmi_ind_register_send_sync_msg(struct ath10k_qmi *qmi)
+{
+	struct wlfw_ind_register_resp_msg_v01 *resp;
+	struct wlfw_ind_register_req_msg_v01 *req;
+	struct qmi_txn txn;
+	int ret;
+
+	req = kzalloc(sizeof(*req), GFP_KERNEL);
+	if (!req)
+		return -ENOMEM;
+
+	resp = kzalloc(sizeof(*resp), GFP_KERNEL);
+	if (!resp) {
+		kfree(req);
+		return -ENOMEM;
+	}
+
+	req->client_id_valid = 1;
+	req->client_id = WLFW_CLIENT_ID;
+	req->fw_ready_enable_valid = 1;
+	req->fw_ready_enable = 1;
+	req->msa_ready_enable_valid = 1;
+	req->msa_ready_enable = 1;
+
+	ret = qmi_txn_init(&qmi->qmi_hdl, &txn,
+			   wlfw_ind_register_resp_msg_v01_ei, resp);
+	if (ret < 0) {
+		pr_err("fail to init txn for ind register resp %d\n",
+		       ret);
+		goto out;
+	}
+
+	ret = qmi_send_request(&qmi->qmi_hdl, NULL, &txn,
+			       QMI_WLFW_IND_REGISTER_REQ_V01,
+			       WLFW_IND_REGISTER_REQ_MSG_V01_MAX_MSG_LEN,
+			       wlfw_ind_register_req_msg_v01_ei, req);
+	if (ret < 0) {
+		qmi_txn_cancel(&txn);
+		pr_err("fail to send ind register req %d\n", ret);
+		goto out;
+	}
+
+	ret = qmi_txn_wait(&txn, WLFW_TIMEOUT * HZ);
+	if (ret < 0)
+		goto out;
+
+	if (resp->resp.result != QMI_RESULT_SUCCESS_V01) {
+		pr_err("qmi indication register request rejected:");
+		pr_err("resut:%d error:%d\n",
+		       resp->resp.result, resp->resp.error);
+		ret = resp->resp.result;
+	}
+
+	pr_debug("indication register request completed\n");
+	kfree(resp);
+	kfree(req);
+	return 0;
+
+out:
+	kfree(resp);
+	kfree(req);
+	return ret;
+}
+
 static int ath10k_qmi_event_fw_ready_ind(struct ath10k_qmi *qmi)
 {
 	pr_debug("fw ready event received\n");
@@ -100,11 +168,12 @@ static void ath10k_qmi_event_server_arrive(struct work_struct *work)
 					      work_svc_arrive);
 	int ret;
 
+	pr_debug("wlan qmi server arrive\n");
 	ret = ath10k_qmi_connect_to_fw_server(qmi);
 	if (ret)
 		return;
 
-	pr_debug("qmi server arrive\n");
+	ath10k_qmi_ind_register_send_sync_msg(qmi);
 }
 
 static void ath10k_qmi_event_server_exit(struct work_struct *work)
-- 
1.9.1