msm: added support for SOTA notification

Added Support for SOTA notification Check status from HLOS

Change-Id: I1bf58c0ee0dce8a5b1351812c1e9813438d0c0a8
Signed-off-by: Vishvesh Deobhankar <vdeobhan@codeaurora.org>

drivers/misc/qseecom.c

@@ -847,6 +847,13 @@ static int qseecom_scm_call2(uint32_t svc_id, uint32_t tz_cmd_id,
 			ret = __qseecom_scm_call2_locked(smc_id, &desc);
 			break;
 		}
+		case QSEOS_SOTA_NOTIFICATION_CHECK_STATUS: {
+			smc_id = TZ_SOTA_UPDATE_NOTIFICATION_ID;
+			desc.arginfo = TZ_SOTA_UPDATE_NOTIFICATION_ID_PARAM_ID;
+			__qseecom_reentrancy_check_if_no_app_blocked(smc_id);
+			ret = __qseecom_scm_call2_locked(smc_id, &desc);
+			break;
+		}
 		case QSEOS_GENERATE_KEY: {
 			u32 tzbuflen = PAGE_ALIGN(sizeof
 				(struct qseecom_key_generate_ireq) -
@@ -3153,6 +3160,42 @@ int __qseecom_process_rpmb_svc_cmd(struct qseecom_dev_handle *data_ptr,
 	return ret;
 }
 
+static int __qseecom_process_sota_svc_cmd(struct qseecom_dev_handle *data_ptr,
+		struct qseecom_send_svc_cmd_req *req_ptr,
+		struct qseecom_client_send_service_ireq *send_svc_ireq_ptr)
+{
+	int ret = 0;
+	void *req_buf = NULL;
+
+	if ((req_ptr == NULL) || (send_svc_ireq_ptr == NULL)) {
+		pr_err("Error with pointer: req_ptr = %pK, send_svc_ptr = %pK\n",
+			req_ptr, send_svc_ireq_ptr);
+		return -EINVAL;
+	}
+
+	/* Clients need to ensure req_buf is at base offset of shared buffer */
+	if ((uintptr_t)req_ptr->cmd_req_buf !=
+			data_ptr->client.user_virt_sb_base) {
+		pr_err("cmd buf not pointing to base offset of shared buffer\n");
+		return -EINVAL;
+	}
+
+	if (data_ptr->client.sb_length <
+			sizeof(struct qseecom_rpmb_provision_key)) {
+		pr_err("shared buffer is too small to hold key type\n");
+		return -EINVAL;
+	}
+	req_buf = data_ptr->client.sb_virt;
+
+	send_svc_ireq_ptr->qsee_cmd_id = req_ptr->cmd_id;
+	send_svc_ireq_ptr->req_len = req_ptr->cmd_req_len;
+	send_svc_ireq_ptr->rsp_ptr = (uint32_t)(__qseecom_uvirt_to_kphys(
+			data_ptr, (uintptr_t)req_ptr->resp_buf));
+	send_svc_ireq_ptr->rsp_len = req_ptr->resp_len;
+
+	return ret;
+}
+
 int __qseecom_process_fsm_key_svc_cmd(struct qseecom_dev_handle *data_ptr,
 		struct qseecom_send_svc_cmd_req *req_ptr,
 		struct qseecom_client_send_fsm_key_req *send_svc_ireq_ptr)
@@ -3296,7 +3339,6 @@ static int qseecom_send_service_cmd(struct qseecom_dev_handle *data,
 		return -EINVAL;
 
 	data->type = QSEECOM_SECURE_SERVICE;
-
 	switch (req.cmd_id) {
 	case QSEOS_RPMB_PROVISION_KEY_COMMAND:
 	case QSEOS_RPMB_ERASE_COMMAND:
@@ -3307,6 +3349,13 @@ static int qseecom_send_service_cmd(struct qseecom_dev_handle *data,
 				send_req_ptr))
 			return -EINVAL;
 		break;
+	case QSEOS_SOTA_NOTIFICATION_CHECK_STATUS:
+		send_req_ptr = &send_svc_ireq;
+		req_buf_size = sizeof(send_svc_ireq);
+		if (__qseecom_process_sota_svc_cmd(data, &req,
+				send_req_ptr))
+			return -EINVAL;
+		break;
 	case QSEOS_FSM_LTEOTA_REQ_CMD:
 	case QSEOS_FSM_LTEOTA_REQ_RSP_CMD:
 	case QSEOS_FSM_IKE_REQ_CMD:

include/soc/qcom/qseecomi.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013-2017, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2013-2020, The Linux Foundation. All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 and
@@ -69,6 +69,7 @@ enum qseecom_qceos_cmd_id {
 	QSEOS_TEE_OPEN_SESSION_WHITELIST = 0x1D,
 	QSEOS_TEE_INVOKE_COMMAND_WHITELIST = 0x1E,
 	QSEOS_LISTENER_DATA_RSP_COMMAND_WHITELIST = 0x1F,
+	QSEOS_SOTA_NOTIFICATION_CHECK_STATUS = 0x20,
 	QSEOS_FSM_LTEOTA_REQ_CMD = 0x109,
 	QSEOS_FSM_LTEOTA_REQ_RSP_CMD = 0x110,
 	QSEOS_FSM_IKE_REQ_CMD = 0x203,
@@ -349,6 +350,9 @@ struct qseecom_continue_blocked_request_ireq {
 #define TZ_SVC_ES                        16    /* Enterprise Security */
 #define TZ_SVC_MDTP                      18    /* Mobile Device Theft */
 
+/** SIP service call groups */
+#define TZ_SVC_FUSE                      8     /* Fuse services.      */
+
 /*----------------------------------------------------------------------------
  * Owning Entity IDs (defined by ARM SMC doc)
  * ---------------------------------------------------------------------------
@@ -587,6 +591,12 @@ struct qseecom_continue_blocked_request_ireq {
 #define TZ_OS_RPMB_CHECK_PROV_STATUS_ID_PARAM_ID \
 	TZ_SYSCALL_CREATE_PARAM_ID_0
 
+#define TZ_SOTA_UPDATE_NOTIFICATION_ID \
+	TZ_SYSCALL_CREATE_SMC_ID(TZ_OWNER_SIP, TZ_SVC_FUSE,  0x07)
+
+#define TZ_SOTA_UPDATE_NOTIFICATION_ID_PARAM_ID \
+	TZ_SYSCALL_CREATE_PARAM_ID_0
+
 #define TZ_OS_KS_GEN_KEY_ID \
 	TZ_SYSCALL_CREATE_SMC_ID(TZ_OWNER_QSEE_OS, TZ_SVC_KEYSTORE, 0x01)
 
@@ -728,4 +738,6 @@ struct qseecom_continue_blocked_request_ireq {
 	TZ_SYSCALL_PARAM_TYPE_VAL, TZ_SYSCALL_PARAM_TYPE_VAL, \
 	TZ_SYSCALL_PARAM_TYPE_BUF_RW, TZ_SYSCALL_PARAM_TYPE_VAL)
 
+
+
 #endif /* __QSEECOMI_H_ */