[PATCH] Add the DUMP command interface which can be used contro the FW action
dreamfly281 at gmail.com
dreamfly281 at gmail.com
Wed Jul 3 13:32:18 EDT 2013
From: Yanbo Li <yanbol at qti.qualcomm.com>
The DUMP command can be used to control lots of FW action, currently we
only use it to dynamic turn on/off some FW module's debug level to get
more debug info from QXDM. IE;
echo 13 6 3 1 means open all CXM module log
Signed-off-by: Yanbo Li <yanbol at qti.qualcomm.com>
---
debug.c | 42 ++++++++++++++++++++++++++++++++++++++++++
debug.h | 3 +++
hal.h | 10 +++++-----
smd.c | 20 ++++++++++++++++++++
smd.h | 3 +++
5 files changed, 73 insertions(+), 5 deletions(-)
diff --git a/debug.c b/debug.c
index edd5a02..352115a 100644
--- a/debug.c
+++ b/debug.c
@@ -79,6 +79,46 @@ static const struct file_operations fops_wcn36xx_bmps = {
.write = write_file_bool_bmps,
};
+static ssize_t write_file_bool_dump(struct file *file,
+ const char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct wcn36xx *wcn = file->private_data;
+ char buf[255], *tmp;
+ int buf_size;
+ u32 arg[WCN36xx_MAX_DUMP_ARGS];
+ int i;
+
+ memset(buf, 0, sizeof(buf));
+ memset(arg, 0, sizeof(arg));
+
+ buf_size = min(count, (sizeof(buf) - 1));
+ if (copy_from_user(buf, user_buf, buf_size))
+ return -EFAULT;
+
+ tmp = buf;
+ for (i = 0; i < WCN36xx_MAX_DUMP_ARGS; i++) {
+ char *begin;
+ begin = strsep(&tmp, " ");
+ if (begin == NULL)
+ break;
+
+ if (kstrtoul(begin, 0, (unsigned long *)(arg + i)) != 0)
+ break;
+ }
+
+ wcn36xx_info("DUMP args is %d %d %d %d %d\n", arg[0], arg[1], arg[2],
+ arg[3], arg[4]);
+ wcn36xx_smd_dump_cmd_req(wcn, arg[0], arg[1], arg[2], arg[3], arg[4]);
+
+ return count;
+}
+
+static const struct file_operations fops_wcn36xx_dump = {
+ .open = wcn36xx_debugfs_open,
+ .write = write_file_bool_dump,
+};
+
#define ADD_FILE_BOOL(name, mode, fop, priv_data) \
do { \
struct dentry *d; \
@@ -103,12 +143,14 @@ void wcn36xx_debugfs_init(struct wcn36xx *wcn)
dfs->rootdir = NULL;
}
ADD_FILE_BOOL(bmps_switcher, 0600, &fops_wcn36xx_bmps, wcn);
+ ADD_FILE_BOOL(dump, 0200, &fops_wcn36xx_dump, wcn);
}
void wcn36xx_debugfs_exit(struct wcn36xx *wcn)
{
struct wcn36xx_dfs_entry *dfs = &wcn->dfs;
+ debugfs_remove(dfs->file_dump.dentry);
debugfs_remove(dfs->file_bmps_switcher.dentry);
debugfs_remove(dfs->rootdir);
}
diff --git a/debug.h b/debug.h
index 8afb673..5bafc7e 100644
--- a/debug.h
+++ b/debug.h
@@ -24,6 +24,8 @@
#include <linux/kernel.h>
+#define WCN36xx_MAX_DUMP_ARGS 5
+
struct wcn36xx_dfs_file {
struct dentry *dentry;
u32 value;
@@ -32,6 +34,7 @@ struct wcn36xx_dfs_file {
struct wcn36xx_dfs_entry {
struct dentry *rootdir;
struct wcn36xx_dfs_file file_bmps_switcher;
+ struct wcn36xx_dfs_file file_dump;
};
void wcn36xx_debugfs_init(struct wcn36xx *wcn);
diff --git a/hal.h b/hal.h
index 83b9f49..b6a7b26 100644
--- a/hal.h
+++ b/hal.h
@@ -3597,11 +3597,11 @@ struct wcn36xx_hal_configure_apps_cpu_wakeup_state_rsp_msg {
struct wcn36xx_hal_dump_cmd_req_msg {
struct wcn36xx_hal_msg_header header;
- u32 argument1;
- u32 argument2;
- u32 argument3;
- u32 argument4;
- u32 argument5;
+ u32 arg1;
+ u32 arg2;
+ u32 arg3;
+ u32 arg4;
+ u32 arg5;
};
struct wcn36xx_hal_dump_cmd_rsp_msg {
diff --git a/smd.c b/smd.c
index ce09563..8d8cb0a 100644
--- a/smd.c
+++ b/smd.c
@@ -1048,6 +1048,25 @@ int wcn36xx_smd_exit_bmps(struct wcn36xx *wcn)
return wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
}
+
+int wcn36xx_smd_dump_cmd_req(struct wcn36xx *wcn, u32 arg1, u32 arg2,
+ u32 arg3, u32 arg4, u32 arg5)
+{
+ struct wcn36xx_hal_dump_cmd_req_msg msg_body;
+
+ INIT_HAL_MSG(msg_body, WCN36XX_HAL_DUMP_COMMAND_REQ);
+
+ msg_body.arg1 = arg1;
+ msg_body.arg2 = arg2;
+ msg_body.arg3 = arg3;
+ msg_body.arg4 = arg4;
+ msg_body.arg5 = arg5;
+
+ PREPARE_HAL_BUF(wcn->smd_buf, msg_body);
+
+ return wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
+}
+
static void wcn36xx_smd_notify(void *data, unsigned event)
{
struct wcn36xx *wcn = (struct wcn36xx *)data;
@@ -1146,6 +1165,7 @@ static void wcn36xx_smd_rsp_process(struct wcn36xx *wcn, void *buf, size_t len)
case WCN36XX_HAL_RMV_BSSKEY_RSP:
case WCN36XX_HAL_ENTER_BMPS_RSP:
case WCN36XX_HAL_EXIT_BMPS_RSP:
+ case WCN36XX_HAL_DUMP_COMMAND_RSP:
if (wcn36xx_smd_rsp_status_check(buf, len)) {
wcn36xx_warn("error response from hal request %d",
msg_header->msg_type);
diff --git a/smd.h b/smd.h
index ad7a31f..fc5c684 100644
--- a/smd.h
+++ b/smd.h
@@ -90,6 +90,9 @@ int wcn36xx_smd_remove_bsskey(struct wcn36xx *wcn,
int wcn36xx_smd_enter_bmps(struct wcn36xx *wcn, u64 tbtt);
int wcn36xx_smd_exit_bmps(struct wcn36xx *wcn);
+int wcn36xx_smd_dump_cmd_req(struct wcn36xx *wcn, u32 arg1, u32 arg2,
+ u32 arg3, u32 arg4, u32 arg5);
+
/* WCN36XX configuration parameters */
struct wcn36xx_fw_cfg {
u16 id;
--
1.7.9.5
More information about the wcn36xx
mailing list