diag: Add diag ID command response support
Add diag ID command response support to query the list of
diag IDs. Add support for control packet exchange between
peripherals and apps to dynamically assign diag IDs.
Change-Id: Ie025efbbbf9cdb4f0a30b94b3b1d943bf2d91a6f
Signed-off-by: Sreelakshmi Gownipalli <sgownipa@codeaurora.org>
diff --git a/drivers/char/diag/diagchar.h b/drivers/char/diag/diagchar.h
index 7973cc5..ea380fb 100644
--- a/drivers/char/diag/diagchar.h
+++ b/drivers/char/diag/diagchar.h
@@ -1,4 +1,4 @@
-/* Copyright (c) 2008-2016, The Linux Foundation. All rights reserved.
+/* Copyright (c) 2008-2017, 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
@@ -125,6 +125,7 @@
#define DIAG_EXT_MOBILE_ID 0x06
#define DIAG_GET_TIME_API 0x21B
#define DIAG_SET_TIME_API 0x21C
+#define DIAG_GET_DIAG_ID 0x222
#define DIAG_SWITCH_COMMAND 0x081B
#define DIAG_BUFFERING_MODE 0x080C
@@ -257,6 +258,14 @@
#define DIAG_CNTL_TYPE 2
#define DIAG_DCI_TYPE 3
+/*
+ * List of diag ids
+ * 0 is reserved for unknown diag id, 1 for apps, diag ids
+ * for remaining pds are assigned dynamically.
+ */
+#define DIAG_ID_UNKNOWN 0
+#define DIAG_ID_APPS 1
+
/* List of remote processor supported */
enum remote_procs {
MDM = 1,
@@ -278,6 +287,29 @@
uint32_t chip_id;
} __packed;
+struct diag_cmd_diag_id_query_req_t {
+ struct diag_pkt_header_t header;
+ uint8_t version;
+} __packed;
+
+struct diag_id_tbl_t {
+ struct list_head link;
+ uint8_t diag_id;
+ char *process_name;
+} __packed;
+struct diag_id_t {
+ uint8_t diag_id;
+ uint8_t len;
+ char *process_name;
+} __packed;
+
+struct diag_cmd_diag_id_query_rsp_t {
+ struct diag_pkt_header_t header;
+ uint8_t version;
+ uint8_t num_entries;
+ struct diag_id_t entry;
+} __packed;
+
struct diag_cmd_time_sync_query_req_t {
struct diag_pkt_header_t header;
uint8_t version;
@@ -511,6 +543,8 @@
int dci_state;
struct workqueue_struct *diag_dci_wq;
struct list_head cmd_reg_list;
+ struct list_head diag_id_list;
+ struct mutex diag_id_mutex;
struct mutex cmd_reg_mutex;
uint32_t cmd_reg_count;
struct mutex diagfwd_channel_mutex;