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cnss2: Add code to download qdss trace config

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Add code to download qdss trace config to FW and qdss trace
data from FW when source=0, i.e  etb_soc or etb_wcss.

Change-Id: I8f5e54815228362e934c9be00a29192237721842
Signed-off-by: Sandeep Singh <sandsing@codeaurora.org>
This commit is contained in:
Sandeep Singh 2020-12-21 15:33:50 +05:30
parent f838988d41
commit a71d254f76
4 changed files with 307 additions and 24 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

25
drivers/net/wireless/cnss2/main.c
View File

@ -458,6 +458,9 @@ static int cnss_fw_ready_hdlr(struct cnss_plat_data *plat_priv)
cnss_wlfw_send_pcie_gen_speed_sync(plat_priv);
if (cnss_wlfw_qdss_dnld_send_sync(plat_priv))
cnss_pr_info("Failed to download qdss configuration file");
if (test_bit(CNSS_FW_BOOT_RECOVERY, &plat_priv->driver_state)) {
clear_bit(CNSS_FW_BOOT_RECOVERY, &plat_priv->driver_state);
clear_bit(CNSS_DRIVER_RECOVERY, &plat_priv->driver_state);
@ -537,6 +540,8 @@ static char *cnss_driver_event_to_str(enum cnss_driver_event_type type)
return "FW_MEM_FILE_SAVE";
case CNSS_DRIVER_EVENT_QDSS_TRACE_FREE:
return "QDSS_TRACE_FREE";
case CNSS_DRIVER_EVENT_QDSS_TRACE_REQ_DATA:
return "QDSS_TRACE_REQ_DATA";
case CNSS_DRIVER_EVENT_MAX:
return "EVENT_MAX";
}
@ -1596,6 +1601,22 @@ static int cnss_qdss_trace_free_hdlr(struct cnss_plat_data *plat_priv)
return 0;
}
static int cnss_qdss_trace_req_data_hdlr(struct cnss_plat_data *plat_priv,
void *data)
{
int ret = 0;
struct cnss_qmi_event_fw_mem_file_save_data *event_data = data;
if (!plat_priv)
return -ENODEV;
ret = cnss_wlfw_qdss_data_send_sync(plat_priv, event_data->file_name,
event_data->total_size);
kfree(data);
return ret;
}
static void cnss_driver_event_work(struct work_struct *work)
{
struct cnss_plat_data *plat_priv =
@ -1696,6 +1717,10 @@ static void cnss_driver_event_work(struct work_struct *work)
case CNSS_DRIVER_EVENT_QDSS_TRACE_FREE:
ret = cnss_qdss_trace_free_hdlr(plat_priv);
break;
case CNSS_DRIVER_EVENT_QDSS_TRACE_REQ_DATA:
ret = cnss_qdss_trace_req_data_hdlr(plat_priv,
event->data);
break;
default:
cnss_pr_err("Invalid driver event type: %d",
event->type);

1
drivers/net/wireless/cnss2/main.h
View File

@ -261,6 +261,7 @@ enum cnss_driver_event_type {
CNSS_DRIVER_EVENT_QDSS_TRACE_REQ_MEM,
CNSS_DRIVER_EVENT_FW_MEM_FILE_SAVE,
CNSS_DRIVER_EVENT_QDSS_TRACE_FREE,
CNSS_DRIVER_EVENT_QDSS_TRACE_REQ_DATA,
CNSS_DRIVER_EVENT_MAX,
};

292
drivers/net/wireless/cnss2/qmi.c
View File

@ -9,6 +9,7 @@
#include "debug.h"
#include "main.h"
#include "qmi.h"
#include "genl.h"
#define WLFW_SERVICE_INS_ID_V01 1
#define WLFW_CLIENT_ID 0x4b4e454c
@ -20,6 +21,8 @@
#define REGDB_FILE_NAME "regdb.bin"
#define DUMMY_BDF_FILE_NAME "bdwlan.dmy"
#define QDSS_TRACE_CONFIG_FILE "qdss_trace_config.cfg"
#define QMI_WLFW_TIMEOUT_MS (plat_priv->ctrl_params.qmi_timeout)
#define QMI_WLFW_TIMEOUT_JF msecs_to_jiffies(QMI_WLFW_TIMEOUT_MS)
#define COEX_TIMEOUT QMI_WLFW_TIMEOUT_JF
@ -794,6 +797,238 @@ out:
return ret;
}
int cnss_wlfw_qdss_data_send_sync(struct cnss_plat_data *plat_priv, char *file_name,
u32 total_size)
{
int ret = 0;
struct wlfw_qdss_trace_data_req_msg_v01 *req;
struct wlfw_qdss_trace_data_resp_msg_v01 *resp;
unsigned char *p_qdss_trace_data_temp, *p_qdss_trace_data = NULL;
unsigned int remaining;
struct qmi_txn txn;
cnss_pr_dbg("%s\n", __func__);
req = kzalloc(sizeof(*req), GFP_KERNEL);
if (!req)
return -ENOMEM;
resp = kzalloc(sizeof(*resp), GFP_KERNEL);
if (!resp) {
kfree(req);
return -ENOMEM;
}
p_qdss_trace_data = kzalloc(total_size, GFP_KERNEL);
if (!p_qdss_trace_data) {
ret = ENOMEM;
goto end;
}
remaining = total_size;
p_qdss_trace_data_temp = p_qdss_trace_data;
while (remaining && resp->end == 0) {
ret = qmi_txn_init(&plat_priv->qmi_wlfw, &txn,
wlfw_qdss_trace_data_resp_msg_v01_ei, resp);
if (ret < 0) {
cnss_pr_err("Fail to init txn for QDSS trace resp %d\n",
ret);
goto fail;
}
ret = qmi_send_request
(&plat_priv->qmi_wlfw, NULL, &txn,
QMI_WLFW_QDSS_TRACE_DATA_REQ_V01,
WLFW_QDSS_TRACE_DATA_REQ_MSG_V01_MAX_MSG_LEN,
wlfw_qdss_trace_data_req_msg_v01_ei, req);
if (ret < 0) {
qmi_txn_cancel(&txn);
cnss_pr_err("Fail to send QDSS trace data req %d\n",
ret);
goto fail;
}
ret = qmi_txn_wait(&txn, plat_priv->ctrl_params.qmi_timeout);
if (ret < 0) {
cnss_pr_err("QDSS trace resp wait failed with rc %d\n",
ret);
goto fail;
} else if (resp->resp.result != QMI_RESULT_SUCCESS_V01) {
cnss_pr_err("QMI QDSS trace request rejected, result:%d error:%d\n",
resp->resp.result, resp->resp.error);
ret = -resp->resp.result;
goto fail;
} else {
ret = 0;
}
cnss_pr_dbg("%s: response total size %d data len %d",
__func__, resp->total_size, resp->data_len);
if ((resp->total_size_valid == 1 &&
resp->total_size == total_size) &&
(resp->seg_id_valid == 1 && resp->seg_id == req->seg_id) &&
(resp->data_valid == 1 &&
resp->data_len <= QMI_WLFW_MAX_DATA_SIZE_V01)) {
memcpy(p_qdss_trace_data_temp,
resp->data, resp->data_len);
} else {
cnss_pr_err("%s: Unmatched qdss trace data, Expect total_size %u, seg_id %u, Recv total_size_valid %u, total_size %u, seg_id_valid %u, seg_id %u, data_len_valid %u, data_len %u",
__func__,
total_size, req->seg_id,
resp->total_size_valid,
resp->total_size,
resp->seg_id_valid,
resp->seg_id,
resp->data_valid,
resp->data_len);
ret = -1;
goto fail;
}
remaining -= resp->data_len;
p_qdss_trace_data_temp += resp->data_len;
req->seg_id++;
}
if (remaining == 0 && (resp->end_valid && resp->end)) {
ret = cnss_genl_send_msg(p_qdss_trace_data,
CNSS_GENL_MSG_TYPE_QDSS, file_name,
total_size);
if (ret < 0) {
cnss_pr_err("Fail to save QDSS trace data: %d\n",
ret);
ret = -1;
goto fail;
}
} else {
cnss_pr_err("%s: QDSS trace file corrupted: remaining %u, end_valid %u, end %u",
__func__,
remaining, resp->end_valid, resp->end);
ret = -1;
goto fail;
}
fail:
kfree(p_qdss_trace_data);
end:
kfree(req);
kfree(resp);
return ret;
}
int cnss_wlfw_qdss_dnld_send_sync(struct cnss_plat_data *plat_priv)
{
struct wlfw_qdss_trace_config_download_req_msg_v01 *req;
struct wlfw_qdss_trace_config_download_resp_msg_v01 *resp;
struct qmi_txn txn;
const struct firmware *fw_entry = NULL;
const u8 *temp;
unsigned int remaining;
int ret = 0;
cnss_pr_dbg("Sending QDSS config download message, state: 0x%lx\n",
plat_priv->driver_state);
req = kzalloc(sizeof(*req), GFP_KERNEL);
if (!req)
return -ENOMEM;
resp = kzalloc(sizeof(*resp), GFP_KERNEL);
if (!resp) {
kfree(req);
return -ENOMEM;
}
ret = request_firmware(&fw_entry, QDSS_TRACE_CONFIG_FILE,
&plat_priv->plat_dev->dev);
if (ret) {
cnss_pr_err("Failed to load QDSS: %s\n",
QDSS_TRACE_CONFIG_FILE);
goto err_req_fw;
}
temp = fw_entry->data;
remaining = fw_entry->size;
cnss_pr_dbg("Downloading QDSS: %s, size: %u\n",
QDSS_TRACE_CONFIG_FILE, remaining);
while (remaining) {
req->total_size_valid = 1;
req->total_size = remaining;
req->seg_id_valid = 1;
req->data_valid = 1;
req->end_valid = 1;
if (remaining > QMI_WLFW_MAX_DATA_SIZE_V01) {
req->data_len = QMI_WLFW_MAX_DATA_SIZE_V01;
} else {
req->data_len = remaining;
req->end = 1;
}
memcpy(req->data, temp, req->data_len);
ret = qmi_txn_init
(&plat_priv->qmi_wlfw, &txn,
wlfw_qdss_trace_config_download_resp_msg_v01_ei,
resp);
if (ret < 0) {
cnss_pr_err("Failed to initialize txn for QDSS download request, err: %d\n",
ret);
goto err_send;
}
ret = qmi_send_request
(&plat_priv->qmi_wlfw, NULL, &txn,
QMI_WLFW_QDSS_TRACE_CONFIG_DOWNLOAD_REQ_V01,
WLFW_QDSS_TRACE_CONFIG_DOWNLOAD_REQ_MSG_V01_MAX_MSG_LEN,
wlfw_qdss_trace_config_download_req_msg_v01_ei, req);
if (ret < 0) {
qmi_txn_cancel(&txn);
cnss_pr_err("Failed to send respond QDSS download request, err: %d\n",
ret);
goto err_send;
}
ret = qmi_txn_wait(&txn, plat_priv->ctrl_params.qmi_timeout);
if (ret < 0) {
cnss_pr_err("Failed to wait for response of QDSS download request, err: %d\n",
ret);
goto err_send;
}
if (resp->resp.result != QMI_RESULT_SUCCESS_V01) {
cnss_pr_err("QDSS download request failed, result: %d, err: %d\n",
resp->resp.result, resp->resp.error);
ret = -resp->resp.result;
goto err_send;
}
remaining -= req->data_len;
temp += req->data_len;
req->seg_id++;
}
release_firmware(fw_entry);
kfree(req);
kfree(resp);
return 0;
err_send:
release_firmware(fw_entry);
err_req_fw:
kfree(req);
kfree(resp);
return ret;
}
int cnss_wlfw_wlan_mode_send_sync(struct cnss_plat_data *plat_priv,
enum cnss_driver_mode mode)
{
@ -1946,12 +2181,6 @@ static void cnss_wlfw_fw_mem_file_save_ind_cb(struct qmi_handle *qmi_wlfw,
cnss_pr_dbg("QMI fw_mem_file_save: source: %d mem_seg: %d type: %u len: %u\n",
ind_msg->source, ind_msg->mem_seg_valid,
ind_msg->mem_seg[0].type, ind_msg->mem_seg_len);
if (ind_msg->source == 1 || !ind_msg->mem_seg_valid ||
!ind_msg->mem_seg_len ||
ind_msg->mem_seg_len > QMI_WLFW_MAX_STR_LEN_V01) {
cnss_pr_err("Invalid FW mem file save indication\n");
return;
}
event_data = kzalloc(sizeof(*event_data), GFP_KERNEL);
if (!event_data)
@ -1961,32 +2190,47 @@ static void cnss_wlfw_fw_mem_file_save_ind_cb(struct qmi_handle *qmi_wlfw,
event_data->mem_seg_len = ind_msg->mem_seg_len;
event_data->total_size = ind_msg->total_size;
for (i = 0; i < ind_msg->mem_seg_len; i++) {
event_data->mem_seg[i].addr = ind_msg->mem_seg[i].addr;
event_data->mem_seg[i].size = ind_msg->mem_seg[i].size;
if (event_data->mem_type != ind_msg->mem_seg[i].type) {
cnss_pr_err("FW Mem file save ind cannot have multiple mem types\n");
if (ind_msg->mem_seg_valid) {
if (ind_msg->mem_seg_len > QMI_WLFW_MAX_STR_LEN_V01) {
cnss_pr_err("Invalid seg len indication\n");
goto free_event_data;
}
cnss_pr_dbg("seg-%d: addr 0x%llx size 0x%x\n",
i, ind_msg->mem_seg[i].addr,
ind_msg->mem_seg[i].size);
for (i = 0; i < ind_msg->mem_seg_len; i++) {
event_data->mem_seg[i].addr = ind_msg->mem_seg[i].addr;
event_data->mem_seg[i].size = ind_msg->mem_seg[i].size;
if (event_data->mem_type != ind_msg->mem_seg[i].type) {
cnss_pr_err("FW Mem file save ind cannot have multiple mem types\n");
goto free_event_data;
}
cnss_pr_dbg("seg-%d: addr 0x%llx size 0x%x\n",
i, ind_msg->mem_seg[i].addr,
ind_msg->mem_seg[i].size);
}
}
if (ind_msg->file_name_valid) {
if (ind_msg->file_name_valid)
strlcpy(event_data->file_name, ind_msg->file_name,
QMI_WLFW_MAX_STR_LEN_V01 + 1);
if (ind_msg->source == 1) {
if (!ind_msg->file_name_valid)
strlcpy(event_data->file_name, "qdss_trace_wcss_etb",
QMI_WLFW_MAX_STR_LEN_V01 + 1);
cnss_driver_event_post(plat_priv, CNSS_DRIVER_EVENT_QDSS_TRACE_REQ_DATA,
0, event_data);
} else {
if (event_data->mem_type == QMI_WLFW_MEM_QDSS_V01)
strlcpy(event_data->file_name, "qdss_trace",
QMI_WLFW_MAX_STR_LEN_V01 + 1);
else
strlcpy(event_data->file_name, "fw_mem_dump",
QMI_WLFW_MAX_STR_LEN_V01 + 1);
}
if (event_data->mem_type == QMI_WLFW_MEM_QDSS_V01) {
if (!ind_msg->file_name_valid)
strlcpy(event_data->file_name, "qdss_trace_ddr",
QMI_WLFW_MAX_STR_LEN_V01 + 1);
} else {
if (!ind_msg->file_name_valid)
strlcpy(event_data->file_name, "fw_mem_dump",
QMI_WLFW_MAX_STR_LEN_V01 + 1);
}
cnss_driver_event_post(plat_priv, CNSS_DRIVER_EVENT_FW_MEM_FILE_SAVE,
0, event_data);
cnss_driver_event_post(plat_priv, CNSS_DRIVER_EVENT_FW_MEM_FILE_SAVE,
0, event_data);
}
return;

13
drivers/net/wireless/cnss2/qmi.h
View File

@ -77,6 +77,9 @@ int cnss_wlfw_wlan_mac_req_send_sync(struct cnss_plat_data *plat_priv,
u8 *mac, u32 mac_len);
int cnss_dms_init(struct cnss_plat_data *plat_priv);
void cnss_dms_deinit(struct cnss_plat_data *plat_priv);
int cnss_wlfw_qdss_dnld_send_sync(struct cnss_plat_data *plat_priv);
int cnss_wlfw_qdss_data_send_sync(struct cnss_plat_data *plat_priv, char *file_name,
u32 total_size);
#else
#define QMI_WLFW_TIMEOUT_MS 10000
@ -260,6 +263,16 @@ static inline int cnss_dms_init(struct cnss_plat_data *plat_priv)
return 0;
}
int cnss_wlfw_qdss_dnld_send_sync(struct cnss_plat_data *plat_priv)
{
return 0;
}
int cnss_wlfw_qdss_data_send_sync(struct cnss_plat_data *plat_priv, char *file_name,
u32 total_size)
{
return 0;
}
static inline void cnss_dms_deinit(struct cnss_plat_data *plat_priv) {}
#endif /* CONFIG_CNSS2_QMI */