blob: 7b78d75e99e8dadbed2c56587c8208d66732fe95 [file] [log] [blame]
// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2017-2021, The Linux Foundation. All rights reserved.
* Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved.
*/
#define pr_fmt(fmt) "icnss2_qmi: " fmt
#include <linux/export.h>
#include <linux/err.h>
#include <linux/of.h>
#include <linux/init.h>
#include <linux/io.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/etherdevice.h>
#include <linux/seq_file.h>
#include <linux/slab.h>
#include <linux/delay.h>
#include <linux/ipc_logging.h>
#include <linux/thread_info.h>
#include <linux/firmware.h>
#include <linux/soc/qcom/qmi.h>
#include <linux/platform_device.h>
#include <soc/qcom/icnss2.h>
#include <soc/qcom/service-locator.h>
#include <soc/qcom/service-notifier.h>
#include "wlan_firmware_service_v01.h"
#include "main.h"
#include "qmi.h"
#include "debug.h"
#include "genl.h"
#define WLFW_SERVICE_WCN_INS_ID_V01 3
#define WLFW_SERVICE_INS_ID_V01 0
#define WLFW_CLIENT_ID 0x4b4e454c
#define QMI_ERR_PLAT_CCPM_CLK_INIT_FAILED 0x77
#define MAX_BDF_FILE_NAME 13
#define BDF_FILE_NAME_PREFIX "bdwlan"
#define ELF_BDF_FILE_NAME "bdwlan.elf"
#define ELF_BDF_FILE_NAME_PREFIX "bdwlan.e"
#define BIN_BDF_FILE_NAME "bdwlan.bin"
#define BIN_BDF_FILE_NAME_PREFIX "bdwlan.b"
#define REGDB_FILE_NAME "regdb.bin"
#define DUMMY_BDF_FILE_NAME "bdwlan.dmy"
#define QDSS_TRACE_CONFIG_FILE "qdss_trace_config.cfg"
#define DEVICE_BAR_SIZE 0x200000
#define M3_SEGMENT_ADDR_MASK 0xFFFFFFFF
#ifdef CONFIG_ICNSS2_DEBUG
bool ignore_fw_timeout;
#define ICNSS_QMI_ASSERT() ICNSS_ASSERT(ignore_fw_timeout)
#else
#define ICNSS_QMI_ASSERT() do { } while (0)
#endif
#ifdef CONFIG_ICNSS2_DEBUG
void icnss_ignore_fw_timeout(bool ignore)
{
ignore_fw_timeout = ignore;
}
#else
void icnss_ignore_fw_timeout(bool ignore) { }
#endif
#define icnss_qmi_fatal_err(_fmt, ...) do { \
icnss_pr_err("fatal: "_fmt, ##__VA_ARGS__); \
ICNSS_QMI_ASSERT(); \
} while (0)
int wlfw_msa_mem_info_send_sync_msg(struct icnss_priv *priv)
{
int ret;
int i;
struct wlfw_msa_info_req_msg_v01 *req;
struct wlfw_msa_info_resp_msg_v01 *resp;
struct qmi_txn txn;
uint64_t max_mapped_addr;
if (!priv)
return -ENODEV;
icnss_pr_dbg("Sending MSA mem info, state: 0x%lx\n", priv->state);
req = kzalloc(sizeof(*req), GFP_KERNEL);
if (!req)
return -ENOMEM;
resp = kzalloc(sizeof(*resp), GFP_KERNEL);
if (!resp) {
kfree(req);
return -ENOMEM;
}
req->msa_addr = priv->msa_pa;
req->size = priv->msa_mem_size;
priv->stats.msa_info_req++;
ret = qmi_txn_init(&priv->qmi, &txn,
wlfw_msa_info_resp_msg_v01_ei, resp);
if (ret < 0) {
icnss_qmi_fatal_err(
"Fail to init txn for MSA Mem info resp %d\n",
ret);
goto out;
}
ret = qmi_send_request(&priv->qmi, NULL, &txn,
QMI_WLFW_MSA_INFO_REQ_V01,
WLFW_MSA_INFO_REQ_MSG_V01_MAX_MSG_LEN,
wlfw_msa_info_req_msg_v01_ei, req);
if (ret < 0) {
qmi_txn_cancel(&txn);
icnss_qmi_fatal_err("Fail to send MSA Mem info req %d\n", ret);
goto out;
}
ret = qmi_txn_wait(&txn, priv->ctrl_params.qmi_timeout);
if (ret < 0) {
icnss_qmi_fatal_err("MSA Mem info resp wait failed ret %d\n",
ret);
goto out;
} else if (resp->resp.result != QMI_RESULT_SUCCESS_V01) {
icnss_qmi_fatal_err(
"QMI MSA Mem info request rejected, result:%d error:%d\n",
resp->resp.result, resp->resp.error);
ret = -resp->resp.result;
goto out;
}
icnss_pr_dbg("Receive mem_region_info_len: %d\n",
resp->mem_region_info_len);
if (resp->mem_region_info_len > QMI_WLFW_MAX_NUM_MEMORY_REGIONS_V01) {
icnss_qmi_fatal_err(
"Invalid memory region length received: %d\n",
resp->mem_region_info_len);
ret = -EINVAL;
goto out;
}
max_mapped_addr = priv->msa_pa + priv->msa_mem_size;
priv->stats.msa_info_resp++;
priv->nr_mem_region = resp->mem_region_info_len;
for (i = 0; i < resp->mem_region_info_len; i++) {
if (resp->mem_region_info[i].size > priv->msa_mem_size ||
resp->mem_region_info[i].region_addr >= max_mapped_addr ||
resp->mem_region_info[i].region_addr < priv->msa_pa ||
resp->mem_region_info[i].size +
resp->mem_region_info[i].region_addr > max_mapped_addr) {
icnss_pr_dbg("Received out of range Addr: 0x%llx Size: 0x%x\n",
resp->mem_region_info[i].region_addr,
resp->mem_region_info[i].size);
ret = -EINVAL;
goto fail_unwind;
}
priv->mem_region[i].reg_addr =
resp->mem_region_info[i].region_addr;
priv->mem_region[i].size =
resp->mem_region_info[i].size;
priv->mem_region[i].secure_flag =
resp->mem_region_info[i].secure_flag;
icnss_pr_dbg("Memory Region: %d Addr: 0x%llx Size: 0x%x Flag: 0x%08x\n",
i, priv->mem_region[i].reg_addr,
priv->mem_region[i].size,
priv->mem_region[i].secure_flag);
}
kfree(resp);
kfree(req);
return 0;
fail_unwind:
memset(&priv->mem_region[0], 0, sizeof(priv->mem_region[0]) * i);
out:
kfree(resp);
kfree(req);
priv->stats.msa_info_err++;
return ret;
}
int wlfw_msa_ready_send_sync_msg(struct icnss_priv *priv)
{
int ret;
struct wlfw_msa_ready_req_msg_v01 *req;
struct wlfw_msa_ready_resp_msg_v01 *resp;
struct qmi_txn txn;
if (!priv)
return -ENODEV;
icnss_pr_dbg("Sending MSA ready request message, state: 0x%lx\n",
priv->state);
req = kzalloc(sizeof(*req), GFP_KERNEL);
if (!req)
return -ENOMEM;
resp = kzalloc(sizeof(*resp), GFP_KERNEL);
if (!resp) {
kfree(req);
return -ENOMEM;
}
priv->stats.msa_ready_req++;
ret = qmi_txn_init(&priv->qmi, &txn,
wlfw_msa_ready_resp_msg_v01_ei, resp);
if (ret < 0) {
icnss_qmi_fatal_err(
"Fail to init txn for MSA Mem Ready resp %d\n",
ret);
goto out;
}
ret = qmi_send_request(&priv->qmi, NULL, &txn,
QMI_WLFW_MSA_READY_REQ_V01,
WLFW_MSA_READY_REQ_MSG_V01_MAX_MSG_LEN,
wlfw_msa_ready_req_msg_v01_ei, req);
if (ret < 0) {
qmi_txn_cancel(&txn);
icnss_qmi_fatal_err("Fail to send MSA Mem Ready req %d\n", ret);
goto out;
}
ret = qmi_txn_wait(&txn, priv->ctrl_params.qmi_timeout);
if (ret < 0) {
icnss_qmi_fatal_err(
"MSA Mem Ready resp wait failed with ret %d\n",
ret);
goto out;
} else if (resp->resp.result != QMI_RESULT_SUCCESS_V01) {
icnss_qmi_fatal_err(
"QMI MSA Mem Ready request rejected, result:%d error:%d\n",
resp->resp.result, resp->resp.error);
ret = -resp->resp.result;
goto out;
}
priv->stats.msa_ready_resp++;
kfree(resp);
kfree(req);
return 0;
out:
kfree(resp);
kfree(req);
priv->stats.msa_ready_err++;
return ret;
}
int wlfw_device_info_send_msg(struct icnss_priv *priv)
{
int ret;
struct wlfw_device_info_req_msg_v01 *req;
struct wlfw_device_info_resp_msg_v01 *resp;
struct qmi_txn txn;
if (!priv)
return -ENODEV;
icnss_pr_dbg("Sending Device Info request message, state: 0x%lx\n",
priv->state);
req = kzalloc(sizeof(*req), GFP_KERNEL);
if (!req)
return -ENOMEM;
resp = kzalloc(sizeof(*resp), GFP_KERNEL);
if (!resp) {
kfree(req);
return -ENOMEM;
}
priv->stats.device_info_req++;
ret = qmi_txn_init(&priv->qmi, &txn,
wlfw_device_info_resp_msg_v01_ei, resp);
if (ret < 0) {
icnss_qmi_fatal_err(
"Fail to init txn for Device Info resp %d\n",
ret);
goto out;
}
ret = qmi_send_request(&priv->qmi, NULL, &txn,
QMI_WLFW_DEVICE_INFO_REQ_V01,
WLFW_DEVICE_INFO_REQ_MSG_V01_MAX_MSG_LEN,
wlfw_device_info_req_msg_v01_ei, req);
if (ret < 0) {
qmi_txn_cancel(&txn);
icnss_qmi_fatal_err("Fail to send device info req %d\n", ret);
goto out;
}
ret = qmi_txn_wait(&txn, priv->ctrl_params.qmi_timeout);
if (ret < 0) {
icnss_qmi_fatal_err(
"Device Info resp wait failed with ret %d\n",
ret);
goto out;
} else if (resp->resp.result != QMI_RESULT_SUCCESS_V01) {
icnss_qmi_fatal_err(
"QMI Device info request rejected, result:%d error:%d\n",
resp->resp.result, resp->resp.error);
ret = -resp->resp.result;
goto out;
}
priv->stats.device_info_resp++;
if (resp->bar_addr_valid)
priv->mem_base_pa = resp->bar_addr;
if (resp->bar_size_valid)
priv->mem_base_size = resp->bar_size;
if (!priv->mem_base_pa) {
ret = -EINVAL;
icnss_qmi_fatal_err("Fail to get bar address\n");
goto out;
}
if (priv->mem_base_size < DEVICE_BAR_SIZE) {
ret = -EINVAL;
icnss_qmi_fatal_err("Bar size is not proper 0x%x\n",
priv->mem_base_size);
goto out;
}
if (resp->mhi_state_info_addr_valid)
priv->mhi_state_info_pa = resp->mhi_state_info_addr;
if (resp->mhi_state_info_size_valid)
priv->mhi_state_info_size = resp->mhi_state_info_size;
if (!priv->mhi_state_info_pa)
icnss_pr_err("Fail to get MHI info address\n");
kfree(resp);
kfree(req);
return 0;
out:
kfree(resp);
kfree(req);
priv->stats.device_info_err++;
return ret;
}
int wlfw_power_save_send_msg(struct icnss_priv *priv,
enum wlfw_power_save_mode_v01 mode)
{
int ret;
struct wlfw_power_save_req_msg_v01 *req;
struct qmi_txn txn;
if (!priv)
return -ENODEV;
if (test_bit(ICNSS_FW_DOWN, &priv->state))
return -EINVAL;
if (test_bit(ICNSS_PD_RESTART, &priv->state) ||
!test_bit(ICNSS_MODE_ON, &priv->state))
return 0;
icnss_pr_dbg("Sending power save mode: %d, state: 0x%lx\n",
mode, priv->state);
req = kzalloc(sizeof(*req), GFP_KERNEL);
if (!req)
return -ENOMEM;
req->power_save_mode_valid = 1;
req->power_save_mode = mode;
if (mode == WLFW_POWER_SAVE_EXIT_V01)
priv->stats.exit_power_save_req++;
else
priv->stats.enter_power_save_req++;
ret = qmi_txn_init(&priv->qmi, &txn,
NULL, NULL);
if (ret < 0) {
icnss_qmi_fatal_err("Fail to init txn for exit power save%d\n",
ret);
goto out;
}
ret = qmi_send_request(&priv->qmi, NULL, &txn,
QMI_WLFW_POWER_SAVE_REQ_V01,
WLFW_POWER_SAVE_REQ_MSG_V01_MAX_MSG_LEN,
wlfw_power_save_req_msg_v01_ei, req);
if (ret < 0) {
qmi_txn_cancel(&txn);
icnss_qmi_fatal_err("Fail to send exit power save req %d\n",
ret);
goto out;
}
qmi_txn_cancel(&txn);
if (mode == WLFW_POWER_SAVE_EXIT_V01)
priv->stats.exit_power_save_resp++;
else
priv->stats.enter_power_save_resp++;
kfree(req);
return 0;
out:
kfree(req);
if (mode == WLFW_POWER_SAVE_EXIT_V01)
priv->stats.exit_power_save_err++;
else
priv->stats.enter_power_save_err++;
return ret;
}
int wlfw_send_soc_wake_msg(struct icnss_priv *priv,
enum wlfw_soc_wake_enum_v01 type)
{
int ret;
struct wlfw_soc_wake_req_msg_v01 *req;
struct wlfw_soc_wake_resp_msg_v01 *resp;
struct qmi_txn txn;
if (!priv)
return -ENODEV;
if (test_bit(ICNSS_FW_DOWN, &priv->state))
return -EINVAL;
icnss_pr_dbg("Sending soc wake msg, type: 0x%x\n",
type);
req = kzalloc(sizeof(*req), GFP_KERNEL);
if (!req)
return -ENOMEM;
resp = kzalloc(sizeof(*resp), GFP_KERNEL);
if (!resp) {
kfree(req);
return -ENOMEM;
}
req->wake_valid = 1;
req->wake = type;
priv->stats.soc_wake_req++;
ret = qmi_txn_init(&priv->qmi, &txn,
wlfw_soc_wake_resp_msg_v01_ei, resp);
if (ret < 0) {
icnss_pr_err("Fail to init txn for wake msg resp %d\n",
ret);
goto out;
}
ret = qmi_send_request(&priv->qmi, NULL, &txn,
QMI_WLFW_SOC_WAKE_REQ_V01,
WLFW_SOC_WAKE_REQ_MSG_V01_MAX_MSG_LEN,
wlfw_soc_wake_req_msg_v01_ei, req);
if (ret < 0) {
qmi_txn_cancel(&txn);
icnss_pr_err("Fail to send soc wake msg %d\n", ret);
goto out;
}
ret = qmi_txn_wait(&txn, priv->ctrl_params.qmi_timeout);
if (ret < 0) {
icnss_qmi_fatal_err("SOC wake timed out with ret %d\n",
ret);
goto out;
} else if (resp->resp.result != QMI_RESULT_SUCCESS_V01) {
icnss_qmi_fatal_err(
"SOC wake request rejected,result:%d error:%d\n",
resp->resp.result, resp->resp.error);
ret = -resp->resp.result;
goto out;
}
priv->stats.soc_wake_resp++;
kfree(resp);
kfree(req);
return 0;
out:
kfree(req);
kfree(resp);
priv->stats.soc_wake_err++;
return ret;
}
int wlfw_ind_register_send_sync_msg(struct icnss_priv *priv)
{
int ret;
struct wlfw_ind_register_req_msg_v01 *req;
struct wlfw_ind_register_resp_msg_v01 *resp;
struct qmi_txn txn;
if (!priv)
return -ENODEV;
icnss_pr_dbg("Sending indication register message, state: 0x%lx\n",
priv->state);
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->pin_connect_result_enable_valid = 1;
req->pin_connect_result_enable = 1;
if (priv->device_id == ADRASTEA_DEVICE_ID) {
req->msa_ready_enable_valid = 1;
req->msa_ready_enable = 1;
if (test_bit(FW_REJUVENATE_ENABLE,
&priv->ctrl_params.quirks)) {
req->rejuvenate_enable_valid = 1;
req->rejuvenate_enable = 1;
}
} else if (priv->device_id == WCN6750_DEVICE_ID) {
req->fw_init_done_enable_valid = 1;
req->fw_init_done_enable = 1;
req->cal_done_enable_valid = 1;
req->cal_done_enable = 1;
req->qdss_trace_req_mem_enable_valid = 1;
req->qdss_trace_req_mem_enable = 1;
req->qdss_trace_save_enable_valid = 1;
req->qdss_trace_save_enable = 1;
req->qdss_trace_free_enable_valid = 1;
req->qdss_trace_free_enable = 1;
req->respond_get_info_enable_valid = 1;
req->respond_get_info_enable = 1;
req->m3_dump_upload_segments_req_enable_valid = 1;
req->m3_dump_upload_segments_req_enable = 1;
}
priv->stats.ind_register_req++;
ret = qmi_txn_init(&priv->qmi, &txn,
wlfw_ind_register_resp_msg_v01_ei, resp);
if (ret < 0) {
icnss_qmi_fatal_err(
"Fail to init txn for Ind Register resp %d\n",
ret);
goto out;
}
ret = qmi_send_request(&priv->qmi, 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);
icnss_qmi_fatal_err("Fail to send Ind Register req %d\n", ret);
goto out;
}
ret = qmi_txn_wait(&txn, priv->ctrl_params.qmi_timeout);
if (ret < 0) {
icnss_qmi_fatal_err(
"Ind Register resp wait failed with ret %d\n",
ret);
goto out;
} else if (resp->resp.result != QMI_RESULT_SUCCESS_V01) {
icnss_qmi_fatal_err(
"QMI Ind Register request rejected, result:%d error:%d\n",
resp->resp.result, resp->resp.error);
ret = -resp->resp.result;
goto out;
}
priv->stats.ind_register_resp++;
if (resp->fw_status_valid &&
(resp->fw_status & QMI_WLFW_ALREADY_REGISTERED_V01)) {
ret = -EALREADY;
icnss_pr_dbg("WLFW already registered\n");
goto qmi_registered;
}
kfree(resp);
kfree(req);
return 0;
out:
priv->stats.ind_register_err++;
qmi_registered:
kfree(resp);
kfree(req);
return ret;
}
int wlfw_cap_send_sync_msg(struct icnss_priv *priv)
{
int ret;
struct wlfw_cap_req_msg_v01 *req;
struct wlfw_cap_resp_msg_v01 *resp;
struct qmi_txn txn;
if (!priv)
return -ENODEV;
icnss_pr_dbg("Sending target capability message, state: 0x%lx\n",
priv->state);
req = kzalloc(sizeof(*req), GFP_KERNEL);
if (!req)
return -ENOMEM;
resp = kzalloc(sizeof(*resp), GFP_KERNEL);
if (!resp) {
kfree(req);
return -ENOMEM;
}
priv->stats.cap_req++;
ret = qmi_txn_init(&priv->qmi, &txn, wlfw_cap_resp_msg_v01_ei, resp);
if (ret < 0) {
icnss_qmi_fatal_err("Fail to init txn for Capability resp %d\n",
ret);
goto out;
}
ret = qmi_send_request(&priv->qmi, NULL, &txn,
QMI_WLFW_CAP_REQ_V01,
WLFW_CAP_REQ_MSG_V01_MAX_MSG_LEN,
wlfw_cap_req_msg_v01_ei, req);
if (ret < 0) {
qmi_txn_cancel(&txn);
icnss_qmi_fatal_err("Fail to send Capability req %d\n", ret);
goto out;
}
ret = qmi_txn_wait(&txn, priv->ctrl_params.qmi_timeout);
if (ret < 0) {
icnss_qmi_fatal_err("Capability resp wait failed with ret %d\n",
ret);
goto out;
} else if (resp->resp.result != QMI_RESULT_SUCCESS_V01) {
ret = -resp->resp.result;
if (resp->resp.error == QMI_ERR_PLAT_CCPM_CLK_INIT_FAILED) {
icnss_pr_err("RF card not present\n");
goto out;
}
icnss_qmi_fatal_err(
"QMI Capability request rejected, result:%d error:%d\n",
resp->resp.result, resp->resp.error);
goto out;
}
priv->stats.cap_resp++;
if (resp->chip_info_valid) {
priv->chip_info.chip_id = resp->chip_info.chip_id;
priv->chip_info.chip_family = resp->chip_info.chip_family;
}
if (resp->board_info_valid)
priv->board_id = resp->board_info.board_id;
else
priv->board_id = 0xFF;
if (resp->soc_info_valid)
priv->soc_id = resp->soc_info.soc_id;
if (resp->fw_version_info_valid) {
priv->fw_version_info.fw_version =
resp->fw_version_info.fw_version;
strlcpy(priv->fw_version_info.fw_build_timestamp,
resp->fw_version_info.fw_build_timestamp,
WLFW_MAX_TIMESTAMP_LEN + 1);
}
if (resp->voltage_mv_valid) {
priv->cpr_info.voltage = resp->voltage_mv;
icnss_pr_dbg("Voltage for CPR: %dmV\n",
priv->cpr_info.voltage);
icnss_update_cpr_info(priv);
}
if (resp->fw_build_id_valid)
strlcpy(priv->fw_build_id, resp->fw_build_id,
QMI_WLFW_MAX_BUILD_ID_LEN_V01 + 1);
icnss_pr_dbg("Capability, chip_id: 0x%x, chip_family: 0x%x, board_id: 0x%x, soc_id: 0x%x, fw_version: 0x%x, fw_build_timestamp: %s, fw_build_id: %s",
priv->chip_info.chip_id, priv->chip_info.chip_family,
priv->board_id, priv->soc_id,
priv->fw_version_info.fw_version,
priv->fw_version_info.fw_build_timestamp,
priv->fw_build_id);
kfree(resp);
kfree(req);
return 0;
out:
kfree(resp);
kfree(req);
priv->stats.cap_err++;
return ret;
}
static int icnss_get_bdf_file_name(struct icnss_priv *priv,
u32 bdf_type, char *filename,
u32 filename_len)
{
int ret = 0;
switch (bdf_type) {
case ICNSS_BDF_ELF:
if (priv->board_id == 0xFF)
snprintf(filename, filename_len, ELF_BDF_FILE_NAME);
else if (priv->board_id < 0xFF)
snprintf(filename, filename_len,
ELF_BDF_FILE_NAME_PREFIX "%02x",
priv->board_id);
else
snprintf(filename, filename_len,
BDF_FILE_NAME_PREFIX "%02x.e%02x",
priv->board_id >> 8 & 0xFF,
priv->board_id & 0xFF);
break;
case ICNSS_BDF_BIN:
if (priv->board_id == 0xFF)
snprintf(filename, filename_len, BIN_BDF_FILE_NAME);
else if (priv->board_id < 0xFF)
snprintf(filename, filename_len,
BIN_BDF_FILE_NAME_PREFIX "%02x",
priv->board_id);
else
snprintf(filename, filename_len,
BDF_FILE_NAME_PREFIX "%02x.b%02x",
priv->board_id >> 8 & 0xFF,
priv->board_id & 0xFF);
break;
case ICNSS_BDF_REGDB:
snprintf(filename, filename_len, REGDB_FILE_NAME);
break;
case ICNSS_BDF_DUMMY:
icnss_pr_dbg("CNSS_BDF_DUMMY is set, sending dummy BDF\n");
snprintf(filename, filename_len, DUMMY_BDF_FILE_NAME);
ret = MAX_BDF_FILE_NAME;
break;
default:
icnss_pr_err("Invalid BDF type: %d\n",
priv->ctrl_params.bdf_type);
ret = -EINVAL;
break;
}
return ret;
}
int icnss_wlfw_bdf_dnld_send_sync(struct icnss_priv *priv, u32 bdf_type)
{
struct wlfw_bdf_download_req_msg_v01 *req;
struct wlfw_bdf_download_resp_msg_v01 *resp;
struct qmi_txn txn;
char filename[MAX_BDF_FILE_NAME];
const struct firmware *fw_entry = NULL;
const u8 *temp;
unsigned int remaining;
int ret = 0;
icnss_pr_dbg("Sending BDF download message, state: 0x%lx, type: %d\n",
priv->state, bdf_type);
req = kzalloc(sizeof(*req), GFP_KERNEL);
if (!req)
return -ENOMEM;
resp = kzalloc(sizeof(*resp), GFP_KERNEL);
if (!resp) {
kfree(req);
return -ENOMEM;
}
ret = icnss_get_bdf_file_name(priv, bdf_type,
filename, sizeof(filename));
if (ret > 0) {
temp = DUMMY_BDF_FILE_NAME;
remaining = MAX_BDF_FILE_NAME;
goto bypass_bdf;
} else if (ret < 0) {
goto err_req_fw;
}
ret = request_firmware(&fw_entry, filename, &priv->pdev->dev);
if (ret) {
icnss_pr_err("Failed to load BDF: %s\n", filename);
goto err_req_fw;
}
temp = fw_entry->data;
remaining = fw_entry->size;
bypass_bdf:
icnss_pr_dbg("Downloading BDF: %s, size: %u\n", filename, remaining);
while (remaining) {
req->valid = 1;
req->file_id_valid = 1;
req->file_id = priv->board_id;
req->total_size_valid = 1;
req->total_size = remaining;
req->seg_id_valid = 1;
req->data_valid = 1;
req->end_valid = 1;
req->bdf_type_valid = 1;
req->bdf_type = bdf_type;
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(&priv->qmi, &txn,
wlfw_bdf_download_resp_msg_v01_ei, resp);
if (ret < 0) {
icnss_pr_err("Failed to initialize txn for BDF download request, err: %d\n",
ret);
goto err_send;
}
ret = qmi_send_request
(&priv->qmi, NULL, &txn,
QMI_WLFW_BDF_DOWNLOAD_REQ_V01,
WLFW_BDF_DOWNLOAD_REQ_MSG_V01_MAX_MSG_LEN,
wlfw_bdf_download_req_msg_v01_ei, req);
if (ret < 0) {
qmi_txn_cancel(&txn);
icnss_pr_err("Failed to send respond BDF download request, err: %d\n",
ret);
goto err_send;
}
ret = qmi_txn_wait(&txn, priv->ctrl_params.qmi_timeout);
if (ret < 0) {
icnss_pr_err("Failed to wait for response of BDF download request, err: %d\n",
ret);
goto err_send;
}
if (resp->resp.result != QMI_RESULT_SUCCESS_V01) {
icnss_pr_err("BDF 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++;
}
if (bdf_type != ICNSS_BDF_DUMMY)
release_firmware(fw_entry);
kfree(req);
kfree(resp);
return 0;
err_send:
if (bdf_type != ICNSS_BDF_DUMMY)
release_firmware(fw_entry);
err_req_fw:
if (bdf_type != ICNSS_BDF_REGDB)
ICNSS_ASSERT(0);
kfree(req);
kfree(resp);
return ret;
}
int icnss_wlfw_qdss_data_send_sync(struct icnss_priv *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;
icnss_pr_dbg("%s", __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 == NULL) {
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(&priv->qmi, &txn,
wlfw_qdss_trace_data_resp_msg_v01_ei, resp);
if (ret < 0) {
icnss_pr_err("Fail to init txn for QDSS trace resp %d\n",
ret);
goto fail;
}
ret = qmi_send_request
(&priv->qmi, 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);
icnss_pr_err("Fail to send QDSS trace data req %d\n",
ret);
goto fail;
}
ret = qmi_txn_wait(&txn, priv->ctrl_params.qmi_timeout);
if (ret < 0) {
icnss_pr_err("QDSS trace resp wait failed with rc %d\n",
ret);
goto fail;
} else if (resp->resp.result != QMI_RESULT_SUCCESS_V01) {
icnss_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;
}
icnss_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)
&& resp->data_len <= remaining) {
memcpy(p_qdss_trace_data_temp,
resp->data, resp->data_len);
} else {
icnss_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 = -EINVAL;
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 = icnss_genl_send_msg(p_qdss_trace_data,
ICNSS_GENL_MSG_TYPE_QDSS, file_name,
total_size);
if (ret < 0) {
icnss_pr_err("Fail to save QDSS trace data: %d\n",
ret);
ret = -EINVAL;
}
} else {
icnss_pr_err("%s: QDSS trace file corrupted: remaining %u, end_valid %u, end %u",
__func__,
remaining, resp->end_valid, resp->end);
ret = -EINVAL;
}
fail:
kfree(p_qdss_trace_data);
end:
kfree(req);
kfree(resp);
return ret;
}
int icnss_wlfw_qdss_dnld_send_sync(struct icnss_priv *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;
icnss_pr_dbg("Sending QDSS config download message, state: 0x%lx\n",
priv->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,
&priv->pdev->dev);
if (ret) {
icnss_pr_err("Failed to load QDSS: %s\n",
QDSS_TRACE_CONFIG_FILE);
goto err_req_fw;
}
temp = fw_entry->data;
remaining = fw_entry->size;
icnss_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
(&priv->qmi, &txn,
wlfw_qdss_trace_config_download_resp_msg_v01_ei,
resp);
if (ret < 0) {
icnss_pr_err("Failed to initialize txn for QDSS download request, err: %d\n",
ret);
goto err_send;
}
ret = qmi_send_request
(&priv->qmi, 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);
icnss_pr_err("Failed to send respond QDSS download request, err: %d\n",
ret);
goto err_send;
}
ret = qmi_txn_wait(&txn, priv->ctrl_params.qmi_timeout);
if (ret < 0) {
icnss_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) {
icnss_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 wlfw_wlan_mode_send_sync_msg(struct icnss_priv *priv,
enum wlfw_driver_mode_enum_v01 mode)
{
int ret;
struct wlfw_wlan_mode_req_msg_v01 *req;
struct wlfw_wlan_mode_resp_msg_v01 *resp;
struct qmi_txn txn;
if (!priv)
return -ENODEV;
/* During recovery do not send mode request for WLAN OFF as
* FW not able to process it.
*/
if (test_bit(ICNSS_PD_RESTART, &priv->state) &&
mode == QMI_WLFW_OFF_V01)
return 0;
icnss_pr_dbg("Sending Mode request, state: 0x%lx, mode: %d\n",
priv->state, mode);
req = kzalloc(sizeof(*req), GFP_KERNEL);
if (!req)
return -ENOMEM;
resp = kzalloc(sizeof(*resp), GFP_KERNEL);
if (!resp) {
kfree(req);
return -ENOMEM;
}
req->mode = mode;
req->hw_debug_valid = 1;
req->hw_debug = !!test_bit(HW_DEBUG_ENABLE, &priv->ctrl_params.quirks);
priv->stats.mode_req++;
ret = qmi_txn_init(&priv->qmi, &txn,
wlfw_wlan_mode_resp_msg_v01_ei, resp);
if (ret < 0) {
icnss_qmi_fatal_err("Fail to init txn for Mode resp %d\n", ret);
goto out;
}
ret = qmi_send_request(&priv->qmi, NULL, &txn,
QMI_WLFW_WLAN_MODE_REQ_V01,
WLFW_WLAN_MODE_REQ_MSG_V01_MAX_MSG_LEN,
wlfw_wlan_mode_req_msg_v01_ei, req);
if (ret < 0) {
qmi_txn_cancel(&txn);
icnss_qmi_fatal_err("Fail to send Mode req %d\n", ret);
goto out;
}
ret = qmi_txn_wait(&txn, priv->ctrl_params.qmi_timeout);
if (ret < 0) {
icnss_qmi_fatal_err("Mode resp wait failed with ret %d\n", ret);
goto out;
} else if (resp->resp.result != QMI_RESULT_SUCCESS_V01) {
icnss_qmi_fatal_err(
"QMI Mode request rejected, result:%d error:%d\n",
resp->resp.result, resp->resp.error);
ret = -resp->resp.result;
goto out;
}
priv->stats.mode_resp++;
if (mode == QMI_WLFW_OFF_V01) {
icnss_pr_dbg("Clear mode on 0x%lx, mode: %d\n",
priv->state, mode);
clear_bit(ICNSS_MODE_ON, &priv->state);
} else {
icnss_pr_dbg("Set mode on 0x%lx, mode: %d\n",
priv->state, mode);
set_bit(ICNSS_MODE_ON, &priv->state);
}
kfree(resp);
kfree(req);
return 0;
out:
kfree(resp);
kfree(req);
priv->stats.mode_req_err++;
return ret;
}
static int wlfw_send_qdss_trace_mode_req
(struct icnss_priv *priv,
enum wlfw_qdss_trace_mode_enum_v01 mode,
unsigned long long option)
{
int rc = 0;
int tmp = 0;
struct wlfw_qdss_trace_mode_req_msg_v01 *req;
struct wlfw_qdss_trace_mode_resp_msg_v01 *resp;
struct qmi_txn txn;
if (!priv)
return -ENODEV;
req = kzalloc(sizeof(*req), GFP_KERNEL);
if (!req)
return -ENOMEM;
resp = kzalloc(sizeof(*resp), GFP_KERNEL);
if (!resp) {
kfree(req);
return -ENOMEM;
}
req->mode_valid = 1;
req->mode = mode;
req->option_valid = 1;
req->option = option;
tmp = priv->hw_trc_override;
req->hw_trc_disable_override_valid = 1;
req->hw_trc_disable_override =
(tmp > QMI_PARAM_DISABLE_V01 ? QMI_PARAM_DISABLE_V01 :
(tmp < 0 ? QMI_PARAM_INVALID_V01 : tmp));
icnss_pr_dbg("%s: mode %u, option %llu, hw_trc_disable_override: %u",
__func__, mode, option, req->hw_trc_disable_override);
rc = qmi_txn_init(&priv->qmi, &txn,
wlfw_qdss_trace_mode_resp_msg_v01_ei, resp);
if (rc < 0) {
icnss_qmi_fatal_err("Fail to init txn for QDSS Mode resp %d\n",
rc);
goto out;
}
rc = qmi_send_request(&priv->qmi, NULL, &txn,
QMI_WLFW_QDSS_TRACE_MODE_REQ_V01,
WLFW_QDSS_TRACE_MODE_REQ_MSG_V01_MAX_MSG_LEN,
wlfw_qdss_trace_mode_req_msg_v01_ei, req);
if (rc < 0) {
qmi_txn_cancel(&txn);
icnss_qmi_fatal_err("Fail to send QDSS Mode req %d\n", rc);
goto out;
}
rc = qmi_txn_wait(&txn, priv->ctrl_params.qmi_timeout);
if (rc < 0) {
icnss_qmi_fatal_err("QDSS Mode resp wait failed with rc %d\n",
rc);
goto out;
} else if (resp->resp.result != QMI_RESULT_SUCCESS_V01) {
icnss_qmi_fatal_err(
"QMI QDSS Mode request rejected, result:%d error:%d\n",
resp->resp.result, resp->resp.error);
rc = -resp->resp.result;
goto out;
}
out:
kfree(resp);
kfree(req);
return rc;
}
int wlfw_qdss_trace_start(struct icnss_priv *priv)
{
return wlfw_send_qdss_trace_mode_req(priv,
QMI_WLFW_QDSS_TRACE_ON_V01, 0);
}
int wlfw_qdss_trace_stop(struct icnss_priv *priv, unsigned long long option)
{
return wlfw_send_qdss_trace_mode_req(priv, QMI_WLFW_QDSS_TRACE_OFF_V01,
option);
}
int wlfw_wlan_cfg_send_sync_msg(struct icnss_priv *priv,
struct wlfw_wlan_cfg_req_msg_v01 *data)
{
int ret;
struct wlfw_wlan_cfg_req_msg_v01 *req;
struct wlfw_wlan_cfg_resp_msg_v01 *resp;
struct qmi_txn txn;
if (!priv)
return -ENODEV;
icnss_pr_dbg("Sending config request, state: 0x%lx\n", priv->state);
req = kzalloc(sizeof(*req), GFP_KERNEL);
if (!req)
return -ENOMEM;
resp = kzalloc(sizeof(*resp), GFP_KERNEL);
if (!resp) {
kfree(req);
return -ENOMEM;
}
memcpy(req, data, sizeof(*req));
priv->stats.cfg_req++;
ret = qmi_txn_init(&priv->qmi, &txn,
wlfw_wlan_cfg_resp_msg_v01_ei, resp);
if (ret < 0) {
icnss_qmi_fatal_err("Fail to init txn for Config resp %d\n",
ret);
goto out;
}
ret = qmi_send_request(&priv->qmi, NULL, &txn,
QMI_WLFW_WLAN_CFG_REQ_V01,
WLFW_WLAN_CFG_REQ_MSG_V01_MAX_MSG_LEN,
wlfw_wlan_cfg_req_msg_v01_ei, req);
if (ret < 0) {
qmi_txn_cancel(&txn);
icnss_qmi_fatal_err("Fail to send Config req %d\n", ret);
goto out;
}
ret = qmi_txn_wait(&txn, priv->ctrl_params.qmi_timeout);
if (ret < 0) {
icnss_qmi_fatal_err("Config resp wait failed with ret %d\n",
ret);
goto out;
} else if (resp->resp.result != QMI_RESULT_SUCCESS_V01) {
icnss_qmi_fatal_err(
"QMI Config request rejected, result:%d error:%d\n",
resp->resp.result, resp->resp.error);
ret = -resp->resp.result;
goto out;
}
priv->stats.cfg_resp++;
kfree(resp);
kfree(req);
return 0;
out:
kfree(resp);
kfree(req);
priv->stats.cfg_req_err++;
return ret;
}
int wlfw_send_modem_shutdown_msg(struct icnss_priv *priv)
{
int ret;
struct wlfw_shutdown_req_msg_v01 *req;
struct wlfw_shutdown_resp_msg_v01 *resp;
struct qmi_txn txn;
if (!priv)
return -ENODEV;
icnss_pr_dbg("Sending modem shutdown request, state: 0x%lx\n",
priv->state);
req = kzalloc(sizeof(*req), GFP_KERNEL);
if (!req)
return -ENOMEM;
resp = kzalloc(sizeof(*resp), GFP_KERNEL);
if (!resp) {
kfree(req);
return -ENOMEM;
}
req->shutdown_valid = 1;
req->shutdown = 1;
ret = qmi_txn_init(&priv->qmi, &txn,
wlfw_shutdown_resp_msg_v01_ei, resp);
if (ret < 0) {
icnss_pr_err("Fail to init txn for shutdown resp %d\n",
ret);
goto out;
}
ret = qmi_send_request(&priv->qmi, NULL, &txn,
QMI_WLFW_SHUTDOWN_REQ_V01,
WLFW_SHUTDOWN_REQ_MSG_V01_MAX_MSG_LEN,
wlfw_shutdown_req_msg_v01_ei, req);
if (ret < 0) {
qmi_txn_cancel(&txn);
icnss_pr_err("Fail to send Shutdown req %d\n", ret);
goto out;
}
ret = qmi_txn_wait(&txn, priv->ctrl_params.qmi_timeout);
if (ret < 0) {
icnss_pr_err("Shutdown resp wait failed with ret %d\n",
ret);
goto out;
} else if (resp->resp.result != QMI_RESULT_SUCCESS_V01) {
icnss_pr_err("QMI modem shutdown request rejected result:%d error:%d\n",
resp->resp.result, resp->resp.error);
ret = -resp->resp.result;
goto out;
}
out:
kfree(resp);
kfree(req);
return ret;
}
int wlfw_ini_send_sync_msg(struct icnss_priv *priv, uint8_t fw_log_mode)
{
int ret;
struct wlfw_ini_req_msg_v01 *req;
struct wlfw_ini_resp_msg_v01 *resp;
struct qmi_txn txn;
if (!priv)
return -ENODEV;
icnss_pr_dbg("Sending ini sync request, state: 0x%lx, fw_log_mode: %d\n",
priv->state, fw_log_mode);
req = kzalloc(sizeof(*req), GFP_KERNEL);
if (!req)
return -ENOMEM;
resp = kzalloc(sizeof(*resp), GFP_KERNEL);
if (!resp) {
kfree(req);
return -ENOMEM;
}
req->enablefwlog_valid = 1;
req->enablefwlog = fw_log_mode;
priv->stats.ini_req++;
ret = qmi_txn_init(&priv->qmi, &txn, wlfw_ini_resp_msg_v01_ei, resp);
if (ret < 0) {
icnss_qmi_fatal_err("Fail to init txn for INI resp %d\n", ret);
goto out;
}
ret = qmi_send_request(&priv->qmi, NULL, &txn,
QMI_WLFW_INI_REQ_V01,
WLFW_INI_REQ_MSG_V01_MAX_MSG_LEN,
wlfw_ini_req_msg_v01_ei, req);
if (ret < 0) {
qmi_txn_cancel(&txn);
icnss_qmi_fatal_err("Fail to send INI req %d\n", ret);
goto out;
}
ret = qmi_txn_wait(&txn, priv->ctrl_params.qmi_timeout);
if (ret < 0) {
icnss_qmi_fatal_err("INI resp wait failed with ret %d\n", ret);
goto out;
} else if (resp->resp.result != QMI_RESULT_SUCCESS_V01) {
icnss_qmi_fatal_err(
"QMI INI request rejected, result:%d error:%d\n",
resp->resp.result, resp->resp.error);
ret = -resp->resp.result;
goto out;
}
priv->stats.ini_resp++;
kfree(resp);
kfree(req);
return 0;
out:
kfree(resp);
kfree(req);
priv->stats.ini_req_err++;
return ret;
}
int wlfw_athdiag_read_send_sync_msg(struct icnss_priv *priv,
uint32_t offset, uint32_t mem_type,
uint32_t data_len, uint8_t *data)
{
int ret;
struct wlfw_athdiag_read_req_msg_v01 *req;
struct wlfw_athdiag_read_resp_msg_v01 *resp;
struct qmi_txn txn;
if (!priv)
return -ENODEV;
icnss_pr_dbg("Diag read: state 0x%lx, offset %x, mem_type %x, data_len %u\n",
priv->state, offset, mem_type, data_len);
req = kzalloc(sizeof(*req), GFP_KERNEL);
if (!req)
return -ENOMEM;
resp = kzalloc(sizeof(*resp), GFP_KERNEL);
if (!resp) {
kfree(req);
return -ENOMEM;
}
req->offset = offset;
req->mem_type = mem_type;
req->data_len = data_len;
ret = qmi_txn_init(&priv->qmi, &txn,
wlfw_athdiag_read_resp_msg_v01_ei, resp);
if (ret < 0) {
icnss_pr_err("Fail to init txn for Athdiag Read resp %d\n",
ret);
goto out;
}
ret = qmi_send_request(&priv->qmi, NULL, &txn,
QMI_WLFW_ATHDIAG_READ_REQ_V01,
WLFW_ATHDIAG_READ_REQ_MSG_V01_MAX_MSG_LEN,
wlfw_athdiag_read_req_msg_v01_ei, req);
if (ret < 0) {
qmi_txn_cancel(&txn);
icnss_pr_err("Fail to send Athdiag Read req %d\n", ret);
goto out;
}
ret = qmi_txn_wait(&txn, priv->ctrl_params.qmi_timeout);
if (ret < 0) {
icnss_pr_err("Athdaig Read resp wait failed with ret %d\n",
ret);
goto out;
} else if (resp->resp.result != QMI_RESULT_SUCCESS_V01) {
icnss_pr_err("QMI Athdiag Read request rejected, result:%d error:%d\n",
resp->resp.result, resp->resp.error);
ret = -resp->resp.result;
goto out;
} else {
ret = 0;
}
if (!resp->data_valid || resp->data_len < data_len) {
icnss_pr_err("Athdiag read data is invalid, data_valid = %u, data_len = %u\n",
resp->data_valid, resp->data_len);
ret = -EINVAL;
goto out;
}
memcpy(data, resp->data, resp->data_len);
out:
kfree(resp);
kfree(req);
return ret;
}
int wlfw_athdiag_write_send_sync_msg(struct icnss_priv *priv,
uint32_t offset, uint32_t mem_type,
uint32_t data_len, uint8_t *data)
{
int ret;
struct wlfw_athdiag_write_req_msg_v01 *req;
struct wlfw_athdiag_write_resp_msg_v01 *resp;
struct qmi_txn txn;
if (!priv)
return -ENODEV;
icnss_pr_dbg("Diag write: state 0x%lx, offset %x, mem_type %x, data_len %u, data %pK\n",
priv->state, offset, mem_type, data_len, data);
req = kzalloc(sizeof(*req), GFP_KERNEL);
if (!req)
return -ENOMEM;
resp = kzalloc(sizeof(*resp), GFP_KERNEL);
if (!resp) {
kfree(req);
return -ENOMEM;
}
req->offset = offset;
req->mem_type = mem_type;
req->data_len = data_len;
memcpy(req->data, data, data_len);
ret = qmi_txn_init(&priv->qmi, &txn,
wlfw_athdiag_write_resp_msg_v01_ei, resp);
if (ret < 0) {
icnss_pr_err("Fail to init txn for Athdiag Write resp %d\n",
ret);
goto out;
}
ret = qmi_send_request(&priv->qmi, NULL, &txn,
QMI_WLFW_ATHDIAG_WRITE_REQ_V01,
WLFW_ATHDIAG_WRITE_REQ_MSG_V01_MAX_MSG_LEN,
wlfw_athdiag_write_req_msg_v01_ei, req);
if (ret < 0) {
qmi_txn_cancel(&txn);
icnss_pr_err("Fail to send Athdiag Write req %d\n", ret);
goto out;
}
ret = qmi_txn_wait(&txn, priv->ctrl_params.qmi_timeout);
if (ret < 0) {
icnss_pr_err("Athdiag Write resp wait failed with ret %d\n",
ret);
goto out;
} else if (resp->resp.result != QMI_RESULT_SUCCESS_V01) {
icnss_pr_err("QMI Athdiag Write request rejected, result:%d error:%d\n",
resp->resp.result, resp->resp.error);
ret = -resp->resp.result;
goto out;
} else {
ret = 0;
}
out:
kfree(resp);
kfree(req);
return ret;
}
int wlfw_rejuvenate_ack_send_sync_msg(struct icnss_priv *priv)
{
int ret;
struct wlfw_rejuvenate_ack_req_msg_v01 *req;
struct wlfw_rejuvenate_ack_resp_msg_v01 *resp;
struct qmi_txn txn;
if (!priv)
return -ENODEV;
icnss_pr_dbg("Sending rejuvenate ack request, state: 0x%lx\n",
priv->state);
req = kzalloc(sizeof(*req), GFP_KERNEL);
if (!req)
return -ENOMEM;
resp = kzalloc(sizeof(*resp), GFP_KERNEL);
if (!resp) {
kfree(req);
return -ENOMEM;
}
priv->stats.rejuvenate_ack_req++;
ret = qmi_txn_init(&priv->qmi, &txn,
wlfw_rejuvenate_ack_resp_msg_v01_ei, resp);
if (ret < 0) {
icnss_qmi_fatal_err(
"Fail to init txn for Rejuvenate Ack resp %d\n",
ret);
goto out;
}
ret = qmi_send_request(&priv->qmi, NULL, &txn,
QMI_WLFW_REJUVENATE_ACK_REQ_V01,
WLFW_REJUVENATE_ACK_REQ_MSG_V01_MAX_MSG_LEN,
wlfw_rejuvenate_ack_req_msg_v01_ei, req);
if (ret < 0) {
qmi_txn_cancel(&txn);
icnss_qmi_fatal_err("Fail to send Rejuvenate Ack req %d\n",
ret);
goto out;
}
ret = qmi_txn_wait(&txn, priv->ctrl_params.qmi_timeout);
if (ret < 0) {
icnss_qmi_fatal_err(
"Rejuvenate Ack resp wait failed with ret %d\n",
ret);
goto out;
} else if (resp->resp.result != QMI_RESULT_SUCCESS_V01) {
icnss_qmi_fatal_err(
"QMI Rejuvenate Ack request rejected, result:%d error:%d\n",
resp->resp.result, resp->resp.error);
ret = -resp->resp.result;
goto out;
}
priv->stats.rejuvenate_ack_resp++;
kfree(resp);
kfree(req);
return 0;
out:
kfree(resp);
kfree(req);
priv->stats.rejuvenate_ack_err++;
return ret;
}
int wlfw_dynamic_feature_mask_send_sync_msg(struct icnss_priv *priv,
uint64_t dynamic_feature_mask)
{
int ret;
struct wlfw_dynamic_feature_mask_req_msg_v01 *req;
struct wlfw_dynamic_feature_mask_resp_msg_v01 *resp;
struct qmi_txn txn;
if (!priv)
return -ENODEV;
if (!test_bit(ICNSS_WLFW_CONNECTED, &priv->state)) {
icnss_pr_err("Invalid state for dynamic feature: 0x%lx\n",
priv->state);
return -EINVAL;
}
if (!test_bit(FW_REJUVENATE_ENABLE, &priv->ctrl_params.quirks)) {
icnss_pr_dbg("FW rejuvenate is disabled from quirks\n");
return 0;
}
icnss_pr_dbg("Sending dynamic feature mask request, val 0x%llx, state: 0x%lx\n",
dynamic_feature_mask, priv->state);
req = kzalloc(sizeof(*req), GFP_KERNEL);
if (!req)
return -ENOMEM;
resp = kzalloc(sizeof(*resp), GFP_KERNEL);
if (!resp) {
kfree(req);
return -ENOMEM;
}
req->mask_valid = 1;
req->mask = dynamic_feature_mask;
ret = qmi_txn_init(&priv->qmi, &txn,
wlfw_dynamic_feature_mask_resp_msg_v01_ei, resp);
if (ret < 0) {
icnss_pr_err("Fail to init txn for Dynamic Feature Mask resp %d\n",
ret);
goto out;
}
ret = qmi_send_request(&priv->qmi, NULL, &txn,
QMI_WLFW_DYNAMIC_FEATURE_MASK_REQ_V01,
WLFW_DYNAMIC_FEATURE_MASK_REQ_MSG_V01_MAX_MSG_LEN,
wlfw_dynamic_feature_mask_req_msg_v01_ei, req);
if (ret < 0) {
qmi_txn_cancel(&txn);
icnss_pr_err("Fail to send Dynamic Feature Mask req %d\n", ret);
goto out;
}
ret = qmi_txn_wait(&txn, priv->ctrl_params.qmi_timeout);
if (ret < 0) {
icnss_pr_err("Dynamic Feature Mask resp wait failed with ret %d\n",
ret);
goto out;
} else if (resp->resp.result != QMI_RESULT_SUCCESS_V01) {
icnss_pr_err("QMI Dynamic Feature Mask request rejected, result:%d error:%d\n",
resp->resp.result, resp->resp.error);
ret = -resp->resp.result;
goto out;
}
icnss_pr_dbg("prev_mask_valid %u, prev_mask 0x%llx, curr_maks_valid %u, curr_mask 0x%llx\n",
resp->prev_mask_valid, resp->prev_mask,
resp->curr_mask_valid, resp->curr_mask);
out:
kfree(resp);
kfree(req);
return ret;
}
void icnss_handle_rejuvenate(struct icnss_priv *priv)
{
struct icnss_event_pd_service_down_data *event_data;
struct icnss_uevent_fw_down_data fw_down_data = {0};
event_data = kzalloc(sizeof(*event_data), GFP_KERNEL);
if (event_data == NULL)
return;
event_data->crashed = true;
event_data->fw_rejuvenate = true;
fw_down_data.crashed = true;
set_bit(ICNSS_REJUVENATE, &priv->state);
icnss_call_driver_uevent(priv, ICNSS_UEVENT_FW_DOWN,
&fw_down_data);
icnss_driver_event_post(priv, ICNSS_DRIVER_EVENT_PD_SERVICE_DOWN,
0, event_data);
}
int wlfw_qdss_trace_mem_info_send_sync(struct icnss_priv *priv)
{
struct wlfw_qdss_trace_mem_info_req_msg_v01 *req;
struct wlfw_qdss_trace_mem_info_resp_msg_v01 *resp;
struct qmi_txn txn;
struct icnss_fw_mem *qdss_mem = priv->qdss_mem;
int ret = 0;
int i;
icnss_pr_dbg("Sending QDSS trace mem info, state: 0x%lx\n",
priv->state);
req = kzalloc(sizeof(*req), GFP_KERNEL);
if (!req)
return -ENOMEM;
resp = kzalloc(sizeof(*resp), GFP_KERNEL);
if (!resp) {
kfree(req);
return -ENOMEM;
}
req->mem_seg_len = priv->qdss_mem_seg_len;
for (i = 0; i < req->mem_seg_len; i++) {
icnss_pr_dbg("Memory for FW, va: 0x%pK, pa: %pa, size: 0x%zx, type: %u\n",
qdss_mem[i].va, &qdss_mem[i].pa,
qdss_mem[i].size, qdss_mem[i].type);
req->mem_seg[i].addr = qdss_mem[i].pa;
req->mem_seg[i].size = qdss_mem[i].size;
req->mem_seg[i].type = qdss_mem[i].type;
}
ret = qmi_txn_init(&priv->qmi, &txn,
wlfw_qdss_trace_mem_info_resp_msg_v01_ei, resp);
if (ret < 0) {
icnss_pr_err("Fail to initialize txn for QDSS trace mem request: err %d\n",
ret);
goto out;
}
ret = qmi_send_request(&priv->qmi, NULL, &txn,
QMI_WLFW_QDSS_TRACE_MEM_INFO_REQ_V01,
WLFW_QDSS_TRACE_MEM_INFO_REQ_MSG_V01_MAX_MSG_LEN,
wlfw_qdss_trace_mem_info_req_msg_v01_ei, req);
if (ret < 0) {
qmi_txn_cancel(&txn);
icnss_pr_err("Fail to send QDSS trace mem info request: err %d\n",
ret);
goto out;
}
ret = qmi_txn_wait(&txn, priv->ctrl_params.qmi_timeout);
if (ret < 0) {
icnss_pr_err("Fail to wait for response of QDSS trace mem info request, err %d\n",
ret);
goto out;
}
if (resp->resp.result != QMI_RESULT_SUCCESS_V01) {
icnss_pr_err("QDSS trace mem info request failed, result: %d, err: %d\n",
resp->resp.result, resp->resp.error);
ret = -resp->resp.result;
goto out;
}
kfree(req);
kfree(resp);
return 0;
out:
kfree(req);
kfree(resp);
return ret;
}
int icnss_wlfw_m3_dump_upload_done_send_sync(struct icnss_priv *priv,
u32 pdev_id, int status)
{
struct wlfw_m3_dump_upload_done_req_msg_v01 *req;
struct wlfw_m3_dump_upload_done_resp_msg_v01 *resp;
struct qmi_txn txn;
int ret = 0;
req = kzalloc(sizeof(*req), GFP_KERNEL);
if (!req)
return -ENOMEM;
resp = kzalloc(sizeof(*resp), GFP_KERNEL);
if (!resp) {
kfree(req);
return -ENOMEM;
}
icnss_pr_dbg("Sending M3 Upload done req, pdev %d, status %d\n",
pdev_id, status);
req->pdev_id = pdev_id;
req->status = status;
ret = qmi_txn_init(&priv->qmi, &txn,
wlfw_m3_dump_upload_done_resp_msg_v01_ei, resp);
if (ret < 0) {
icnss_pr_err("Fail to initialize txn for M3 dump upload done req: err %d\n",
ret);
goto out;
}
ret = qmi_send_request(&priv->qmi, NULL, &txn,
QMI_WLFW_M3_DUMP_UPLOAD_DONE_REQ_V01,
WLFW_M3_DUMP_UPLOAD_DONE_REQ_MSG_V01_MAX_MSG_LEN,
wlfw_m3_dump_upload_done_req_msg_v01_ei, req);
if (ret < 0) {
qmi_txn_cancel(&txn);
icnss_pr_err("Fail to send M3 dump upload done request: err %d\n",
ret);
goto out;
}
ret = qmi_txn_wait(&txn, priv->ctrl_params.qmi_timeout);
if (ret < 0) {
icnss_pr_err("Fail to wait for response of M3 dump upload done request, err %d\n",
ret);
goto out;
} else if (resp->resp.result != QMI_RESULT_SUCCESS_V01) {
icnss_pr_err("M3 Dump Upload Done Req failed, result: %d, err: 0x%X\n",
resp->resp.result, resp->resp.error);
ret = -resp->resp.result;
goto out;
}
out:
kfree(req);
kfree(resp);
return ret;
}
static void fw_ready_ind_cb(struct qmi_handle *qmi, struct sockaddr_qrtr *sq,
struct qmi_txn *txn, const void *data)
{
struct icnss_priv *priv =
container_of(qmi, struct icnss_priv, qmi);
icnss_pr_dbg("Received FW Ready Indication\n");
if (!txn) {
pr_err("spurious indication\n");
return;
}
icnss_driver_event_post(priv, ICNSS_DRIVER_EVENT_FW_READY_IND,
0, NULL);
}
static void msa_ready_ind_cb(struct qmi_handle *qmi, struct sockaddr_qrtr *sq,
struct qmi_txn *txn, const void *data)
{
struct icnss_priv *priv = container_of(qmi, struct icnss_priv, qmi);
struct device *dev = &priv->pdev->dev;
const struct wlfw_msa_ready_ind_msg_v01 *ind_msg = data;
uint64_t msa_base_addr = priv->msa_pa;
phys_addr_t hang_data_phy_addr;
icnss_pr_dbg("Received MSA Ready Indication\n");
if (!txn) {
pr_err("spurious indication\n");
return;
}
priv->stats.msa_ready_ind++;
/* Check if the length is valid &
* the length should not be 0 and
* should be <= WLFW_MAX_HANG_EVENT_DATA_SIZE(400)
*/
if (ind_msg->hang_data_length_valid &&
ind_msg->hang_data_length &&
ind_msg->hang_data_length <= WLFW_MAX_HANG_EVENT_DATA_SIZE)
priv->hang_event_data_len = ind_msg->hang_data_length;
else
goto out;
/* Check if the offset is valid &
* the offset should be in range of 0 to msa_mem_size-hang_data_length
*/
if (ind_msg->hang_data_addr_offset_valid &&
(ind_msg->hang_data_addr_offset <= (priv->msa_mem_size -
ind_msg->hang_data_length)))
hang_data_phy_addr = msa_base_addr +
ind_msg->hang_data_addr_offset;
else
goto out;
if (priv->hang_event_data_pa == hang_data_phy_addr)
goto exit;
priv->hang_event_data_pa = hang_data_phy_addr;
priv->hang_event_data_va = devm_ioremap(dev, priv->hang_event_data_pa,
ind_msg->hang_data_length);
if (!priv->hang_event_data_va) {
icnss_pr_err("Hang Data ioremap failed: phy addr: %pa\n",
&priv->hang_event_data_pa);
goto fail;
}
exit:
icnss_pr_dbg("Hang Event Data details,Offset:0x%x, Length:0x%x,va_addr: 0x%pK\n",
ind_msg->hang_data_addr_offset,
ind_msg->hang_data_length,
priv->hang_event_data_va);
return;
out:
icnss_pr_err("Invalid Hang Data details, Offset:0x%x, Length:0x%x",
ind_msg->hang_data_addr_offset,
ind_msg->hang_data_length);
fail:
priv->hang_event_data_va = NULL;
priv->hang_event_data_pa = 0;
priv->hang_event_data_len = 0;
}
static void pin_connect_result_ind_cb(struct qmi_handle *qmi,
struct sockaddr_qrtr *sq,
struct qmi_txn *txn, const void *data)
{
struct icnss_priv *priv = container_of(qmi, struct icnss_priv, qmi);
const struct wlfw_pin_connect_result_ind_msg_v01 *ind_msg = data;
icnss_pr_dbg("Received Pin Connect Result Indication\n");
if (!txn) {
pr_err("spurious indication\n");
return;
}
if (ind_msg->pwr_pin_result_valid)
priv->pwr_pin_result = ind_msg->pwr_pin_result;
if (ind_msg->phy_io_pin_result_valid)
priv->phy_io_pin_result = ind_msg->phy_io_pin_result;
if (ind_msg->rf_pin_result_valid)
priv->rf_pin_result = ind_msg->rf_pin_result;
icnss_pr_dbg("Pin connect Result: pwr_pin: 0x%x phy_io_pin: 0x%x rf_io_pin: 0x%x\n",
ind_msg->pwr_pin_result, ind_msg->phy_io_pin_result,
ind_msg->rf_pin_result);
priv->stats.pin_connect_result++;
}
static void rejuvenate_ind_cb(struct qmi_handle *qmi, struct sockaddr_qrtr *sq,
struct qmi_txn *txn, const void *data)
{
struct icnss_priv *priv = container_of(qmi, struct icnss_priv, qmi);
const struct wlfw_rejuvenate_ind_msg_v01 *ind_msg = data;
icnss_pr_dbg("Received Rejuvenate Indication\n");
if (!txn) {
pr_err("spurious indication\n");
return;
}
icnss_ignore_fw_timeout(true);
if (ind_msg->cause_for_rejuvenation_valid)
priv->cause_for_rejuvenation = ind_msg->cause_for_rejuvenation;
else
priv->cause_for_rejuvenation = 0;
if (ind_msg->requesting_sub_system_valid)
priv->requesting_sub_system = ind_msg->requesting_sub_system;
else
priv->requesting_sub_system = 0;
if (ind_msg->line_number_valid)
priv->line_number = ind_msg->line_number;
else
priv->line_number = 0;
if (ind_msg->function_name_valid)
memcpy(priv->function_name, ind_msg->function_name,
QMI_WLFW_FUNCTION_NAME_LEN_V01 + 1);
else
memset(priv->function_name, 0,
QMI_WLFW_FUNCTION_NAME_LEN_V01 + 1);
icnss_pr_info("Cause for rejuvenation: 0x%x, requesting sub-system: 0x%x, line number: %u, function name: %s\n",
priv->cause_for_rejuvenation,
priv->requesting_sub_system,
priv->line_number,
priv->function_name);
priv->stats.rejuvenate_ind++;
icnss_handle_rejuvenate(priv);
}
static void cal_done_ind_cb(struct qmi_handle *qmi, struct sockaddr_qrtr *sq,
struct qmi_txn *txn, const void *data)
{
struct icnss_priv *priv = container_of(qmi, struct icnss_priv, qmi);
icnss_pr_dbg("Received QMI WLFW calibration done indication\n");
if (!txn) {
icnss_pr_err("Spurious indication\n");
return;
}
priv->cal_done = true;
clear_bit(ICNSS_COLD_BOOT_CAL, &priv->state);
}
static void fw_init_done_ind_cb(struct qmi_handle *qmi,
struct sockaddr_qrtr *sq,
struct qmi_txn *txn, const void *data)
{
struct icnss_priv *priv = container_of(qmi, struct icnss_priv, qmi);
struct device *dev = &priv->pdev->dev;
const struct wlfw_fw_init_done_ind_msg_v01 *ind_msg = data;
uint64_t msa_base_addr = priv->msa_pa;
phys_addr_t hang_data_phy_addr;
icnss_pr_dbg("Received QMI WLFW FW initialization done indication\n");
if (!txn) {
icnss_pr_err("Spurious indication\n");
return;
}
/* Check if the length is valid &
* the length should not be 0 and
* should be <= WLFW_MAX_HANG_EVENT_DATA_SIZE(400)
*/
if (ind_msg->hang_data_length_valid &&
ind_msg->hang_data_length &&
ind_msg->hang_data_length <= WLFW_MAX_HANG_EVENT_DATA_SIZE)
priv->hang_event_data_len = ind_msg->hang_data_length;
else
goto out;
/* Check if the offset is valid &
* the offset should be in range of 0 to msa_mem_size-hang_data_length
*/
if (ind_msg->hang_data_addr_offset_valid &&
(ind_msg->hang_data_addr_offset <= (priv->msa_mem_size -
ind_msg->hang_data_length)))
hang_data_phy_addr = msa_base_addr +
ind_msg->hang_data_addr_offset;
else
goto out;
if (priv->hang_event_data_pa == hang_data_phy_addr)
goto exit;
priv->hang_event_data_pa = hang_data_phy_addr;
priv->hang_event_data_va = devm_ioremap(dev, priv->hang_event_data_pa,
ind_msg->hang_data_length);
if (!priv->hang_event_data_va) {
icnss_pr_err("Hang Data ioremap failed: phy addr: %pa\n",
&priv->hang_event_data_pa);
goto fail;
}
exit:
icnss_pr_dbg("Hang Event Data details,Offset:0x%x, Length:0x%x,va_addr: 0x%pK\n",
ind_msg->hang_data_addr_offset,
ind_msg->hang_data_length,
priv->hang_event_data_va);
goto post;
out:
icnss_pr_err("Invalid Hang Data details, Offset:0x%x, Length:0x%x",
ind_msg->hang_data_addr_offset,
ind_msg->hang_data_length);
fail:
priv->hang_event_data_va = NULL;
priv->hang_event_data_pa = 0;
priv->hang_event_data_len = 0;
post:
icnss_driver_event_post(priv, ICNSS_DRIVER_EVENT_FW_INIT_DONE_IND,
0, NULL);
}
static void wlfw_qdss_trace_req_mem_ind_cb(struct qmi_handle *qmi,
struct sockaddr_qrtr *sq,
struct qmi_txn *txn,
const void *data)
{
struct icnss_priv *priv =
container_of(qmi, struct icnss_priv, qmi);
const struct wlfw_qdss_trace_req_mem_ind_msg_v01 *ind_msg = data;
int i;
icnss_pr_dbg("Received QMI WLFW QDSS trace request mem indication\n");
if (!txn) {
icnss_pr_err("Spurious indication\n");
return;
}
if (priv->qdss_mem_seg_len) {
icnss_pr_err("Ignore double allocation for QDSS trace, current len %u\n",
priv->qdss_mem_seg_len);
return;
}
priv->qdss_mem_seg_len = ind_msg->mem_seg_len;
for (i = 0; i < priv->qdss_mem_seg_len; i++) {
icnss_pr_dbg("QDSS requests for memory, size: 0x%x, type: %u\n",
ind_msg->mem_seg[i].size,
ind_msg->mem_seg[i].type);
priv->qdss_mem[i].type = ind_msg->mem_seg[i].type;
priv->qdss_mem[i].size = ind_msg->mem_seg[i].size;
}
icnss_driver_event_post(priv, ICNSS_DRIVER_EVENT_QDSS_TRACE_REQ_MEM,
0, NULL);
}
static void wlfw_qdss_trace_save_ind_cb(struct qmi_handle *qmi,
struct sockaddr_qrtr *sq,
struct qmi_txn *txn,
const void *data)
{
struct icnss_priv *priv =
container_of(qmi, struct icnss_priv, qmi);
const struct wlfw_qdss_trace_save_ind_msg_v01 *ind_msg = data;
struct icnss_qmi_event_qdss_trace_save_data *event_data;
int i = 0;
icnss_pr_dbg("Received QMI WLFW QDSS trace save indication\n");
if (!txn) {
icnss_pr_err("Spurious indication\n");
return;
}
icnss_pr_dbg("QDSS_trace_save info: source %u, total_size %u, file_name_valid %u, file_name %s\n",
ind_msg->source, ind_msg->total_size,
ind_msg->file_name_valid, ind_msg->file_name);
event_data = kzalloc(sizeof(*event_data), GFP_KERNEL);
if (!event_data)
return;
if (ind_msg->mem_seg_valid) {
if (ind_msg->mem_seg_len > QDSS_TRACE_SEG_LEN_MAX) {
icnss_pr_err("Invalid seg len %u\n",
ind_msg->mem_seg_len);
goto free_event_data;
}
icnss_pr_dbg("QDSS_trace_save seg len %u\n",
ind_msg->mem_seg_len);
event_data->mem_seg_len = ind_msg->mem_seg_len;
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;
icnss_pr_dbg("seg-%d: addr 0x%llx size 0x%x\n",
i, ind_msg->mem_seg[i].addr,
ind_msg->mem_seg[i].size);
}
}
event_data->total_size = ind_msg->total_size;
if (ind_msg->file_name_valid)
strlcpy(event_data->file_name, ind_msg->file_name,
QDSS_TRACE_FILE_NAME_MAX + 1);
if (ind_msg->source == 1) {
if (!ind_msg->file_name_valid)
strlcpy(event_data->file_name, "qdss_trace_wcss_etb",
QDSS_TRACE_FILE_NAME_MAX + 1);
icnss_driver_event_post(priv, ICNSS_DRIVER_EVENT_QDSS_TRACE_REQ_DATA,
0, event_data);
} else {
if (!ind_msg->file_name_valid)
strlcpy(event_data->file_name, "qdss_trace_ddr",
QDSS_TRACE_FILE_NAME_MAX + 1);
icnss_driver_event_post(priv, ICNSS_DRIVER_EVENT_QDSS_TRACE_SAVE,
0, event_data);
}
return;
free_event_data:
kfree(event_data);
}
static void wlfw_qdss_trace_free_ind_cb(struct qmi_handle *qmi,
struct sockaddr_qrtr *sq,
struct qmi_txn *txn,
const void *data)
{
struct icnss_priv *priv =
container_of(qmi, struct icnss_priv, qmi);
icnss_driver_event_post(priv, ICNSS_DRIVER_EVENT_QDSS_TRACE_FREE,
0, NULL);
}
static void icnss_wlfw_respond_get_info_ind_cb(struct qmi_handle *qmi,
struct sockaddr_qrtr *sq,
struct qmi_txn *txn,
const void *data)
{
struct icnss_priv *priv = container_of(qmi, struct icnss_priv, qmi);
const struct wlfw_respond_get_info_ind_msg_v01 *ind_msg = data;
if (!txn) {
icnss_pr_err("Spurious indication\n");
return;
}
icnss_pr_vdbg("Extract message with event length: %d, type: %d, is last: %d, seq no: %d\n",
ind_msg->data_len, ind_msg->type,
ind_msg->is_last, ind_msg->seq_no);
if (priv->get_info_cb_ctx && priv->get_info_cb)
priv->get_info_cb(priv->get_info_cb_ctx,
(void *)ind_msg->data,
ind_msg->data_len);
}
static void icnss_wlfw_m3_dump_upload_segs_req_ind_cb(struct qmi_handle *qmi,
struct sockaddr_qrtr *sq,
struct qmi_txn *txn,
const void *d)
{
struct icnss_priv *priv = container_of(qmi, struct icnss_priv, qmi);
const struct wlfw_m3_dump_upload_segments_req_ind_msg_v01 *ind_msg = d;
struct icnss_m3_upload_segments_req_data *event_data = NULL;
u64 max_mapped_addr = 0;
u64 segment_addr = 0;
int i = 0;
icnss_pr_dbg("Received QMI WLFW M3 dump upload sigments indication\n");
if (!txn) {
icnss_pr_err("Spurious indication\n");
return;
}
icnss_pr_dbg("M3 Dump upload info: pdev_id: %d no_of_segments: %d\n",
ind_msg->pdev_id, ind_msg->no_of_valid_segments);
if (ind_msg->no_of_valid_segments > QMI_WLFW_MAX_M3_SEGMENTS_SIZE_V01)
return;
event_data = kzalloc(sizeof(*event_data), GFP_KERNEL);
if (!event_data)
return;
event_data->pdev_id = ind_msg->pdev_id;
event_data->no_of_valid_segments = ind_msg->no_of_valid_segments;
max_mapped_addr = priv->msa_pa + priv->msa_mem_size;
for (i = 0; i < ind_msg->no_of_valid_segments; i++) {
segment_addr = ind_msg->m3_segment[i].addr &
M3_SEGMENT_ADDR_MASK;
if (ind_msg->m3_segment[i].size > priv->msa_mem_size ||
segment_addr >= max_mapped_addr ||
segment_addr < priv->msa_pa ||
ind_msg->m3_segment[i].size +
segment_addr > max_mapped_addr) {
icnss_pr_dbg("Received out of range Segment %d Addr: 0x%llx Size: 0x%x, Name: %s, type: %d\n",
(i + 1), segment_addr,
ind_msg->m3_segment[i].size,
ind_msg->m3_segment[i].name,
ind_msg->m3_segment[i].type);
goto out;
}
event_data->m3_segment[i].addr = segment_addr;
event_data->m3_segment[i].size = ind_msg->m3_segment[i].size;
event_data->m3_segment[i].type = ind_msg->m3_segment[i].type;
strlcpy(event_data->m3_segment[i].name,
ind_msg->m3_segment[i].name,
WLFW_MAX_STR_LEN + 1);
icnss_pr_dbg("Received Segment %d Addr: 0x%llx Size: 0x%x, Name: %s, type: %d\n",
(i + 1), segment_addr,
ind_msg->m3_segment[i].size,
ind_msg->m3_segment[i].name,
ind_msg->m3_segment[i].type);
}
icnss_driver_event_post(priv, ICNSS_DRIVER_EVENT_M3_DUMP_UPLOAD_REQ,
0, event_data);
return;
out:
kfree(event_data);
}
static struct qmi_msg_handler wlfw_msg_handlers[] = {
{
.type = QMI_INDICATION,
.msg_id = QMI_WLFW_FW_READY_IND_V01,
.ei = wlfw_fw_ready_ind_msg_v01_ei,
.decoded_size = sizeof(struct wlfw_fw_ready_ind_msg_v01),
.fn = fw_ready_ind_cb
},
{
.type = QMI_INDICATION,
.msg_id = QMI_WLFW_MSA_READY_IND_V01,
.ei = wlfw_msa_ready_ind_msg_v01_ei,
.decoded_size = sizeof(struct wlfw_msa_ready_ind_msg_v01),
.fn = msa_ready_ind_cb
},
{
.type = QMI_INDICATION,
.msg_id = QMI_WLFW_PIN_CONNECT_RESULT_IND_V01,
.ei = wlfw_pin_connect_result_ind_msg_v01_ei,
.decoded_size =
sizeof(struct wlfw_pin_connect_result_ind_msg_v01),
.fn = pin_connect_result_ind_cb
},
{
.type = QMI_INDICATION,
.msg_id = QMI_WLFW_REJUVENATE_IND_V01,
.ei = wlfw_rejuvenate_ind_msg_v01_ei,
.decoded_size = sizeof(struct wlfw_rejuvenate_ind_msg_v01),
.fn = rejuvenate_ind_cb
},
{
.type = QMI_INDICATION,
.msg_id = QMI_WLFW_CAL_DONE_IND_V01,
.ei = wlfw_cal_done_ind_msg_v01_ei,
.decoded_size = sizeof(struct wlfw_cal_done_ind_msg_v01),
.fn = cal_done_ind_cb
},
{
.type = QMI_INDICATION,
.msg_id = QMI_WLFW_FW_INIT_DONE_IND_V01,
.ei = wlfw_fw_init_done_ind_msg_v01_ei,
.decoded_size = sizeof(struct wlfw_fw_init_done_ind_msg_v01),
.fn = fw_init_done_ind_cb
},
{
.type = QMI_INDICATION,
.msg_id = QMI_WLFW_QDSS_TRACE_REQ_MEM_IND_V01,
.ei = wlfw_qdss_trace_req_mem_ind_msg_v01_ei,
.decoded_size =
sizeof(struct wlfw_qdss_trace_req_mem_ind_msg_v01),
.fn = wlfw_qdss_trace_req_mem_ind_cb
},
{
.type = QMI_INDICATION,
.msg_id = QMI_WLFW_QDSS_TRACE_SAVE_IND_V01,
.ei = wlfw_qdss_trace_save_ind_msg_v01_ei,
.decoded_size =
sizeof(struct wlfw_qdss_trace_save_ind_msg_v01),
.fn = wlfw_qdss_trace_save_ind_cb
},
{
.type = QMI_INDICATION,
.msg_id = QMI_WLFW_QDSS_TRACE_FREE_IND_V01,
.ei = wlfw_qdss_trace_free_ind_msg_v01_ei,
.decoded_size =
sizeof(struct wlfw_qdss_trace_free_ind_msg_v01),
.fn = wlfw_qdss_trace_free_ind_cb
},
{
.type = QMI_INDICATION,
.msg_id = QMI_WLFW_RESPOND_GET_INFO_IND_V01,
.ei = wlfw_respond_get_info_ind_msg_v01_ei,
.decoded_size =
sizeof(struct wlfw_respond_get_info_ind_msg_v01),
.fn = icnss_wlfw_respond_get_info_ind_cb
},
{
.type = QMI_INDICATION,
.msg_id = QMI_WLFW_M3_DUMP_UPLOAD_SEGMENTS_REQ_IND_V01,
.ei = wlfw_m3_dump_upload_segments_req_ind_msg_v01_ei,
.decoded_size =
sizeof(struct wlfw_m3_dump_upload_segments_req_ind_msg_v01),
.fn = icnss_wlfw_m3_dump_upload_segs_req_ind_cb
},
{}
};
int icnss_connect_to_fw_server(struct icnss_priv *priv, void *data)
{
struct icnss_event_server_arrive_data *event_data = data;
struct qmi_handle *qmi = &priv->qmi;
struct sockaddr_qrtr sq = { 0 };
int ret = 0;
if (!priv) {
ret = -ENODEV;
goto out;
}
sq.sq_family = AF_QIPCRTR;
sq.sq_node = event_data->node;
sq.sq_port = event_data->port;
ret = kernel_connect(qmi->sock, (struct sockaddr *)&sq, sizeof(sq), 0);
if (ret < 0) {
icnss_pr_err("Fail to connect to remote service port\n");
goto out;
}
icnss_pr_info("QMI Server Connected: state: 0x%lx\n", priv->state);
kfree(data);
return 0;
out:
kfree(data);
ICNSS_ASSERT(0);
return ret;
}
int icnss_clear_server(struct icnss_priv *priv)
{
int ret;
if (!priv)
return -ENODEV;
icnss_pr_info("QMI Service Disconnected: 0x%lx\n", priv->state);
clear_bit(ICNSS_WLFW_CONNECTED, &priv->state);
icnss_unregister_fw_service(priv);
clear_bit(ICNSS_DEL_SERVER, &priv->state);
ret = icnss_register_fw_service(priv);
if (ret < 0) {
icnss_pr_err("WLFW server registration failed\n");
ICNSS_ASSERT(0);
}
return 0;
}
static int wlfw_new_server(struct qmi_handle *qmi,
struct qmi_service *service)
{
struct icnss_priv *priv =
container_of(qmi, struct icnss_priv, qmi);
struct icnss_event_server_arrive_data *event_data;
if (priv && test_bit(ICNSS_DEL_SERVER, &priv->state)) {
icnss_pr_info("WLFW server delete in progress, Ignore server arrive: 0x%lx\n",
priv->state);
return 0;
}
icnss_pr_dbg("WLFW server arrive: node %u port %u\n",
service->node, service->port);
event_data = kzalloc(sizeof(*event_data), GFP_KERNEL);
if (event_data == NULL)
return -ENOMEM;
event_data->node = service->node;
event_data->port = service->port;
icnss_driver_event_post(priv, ICNSS_DRIVER_EVENT_SERVER_ARRIVE,
0, event_data);
return 0;
}
static void wlfw_del_server(struct qmi_handle *qmi,
struct qmi_service *service)
{
struct icnss_priv *priv = container_of(qmi, struct icnss_priv, qmi);
if (priv && test_bit(ICNSS_DEL_SERVER, &priv->state)) {
icnss_pr_info("WLFW server delete in progress, Ignore server delete: 0x%lx\n",
priv->state);
return;
}
icnss_pr_dbg("WLFW server delete\n");
if (priv) {
set_bit(ICNSS_DEL_SERVER, &priv->state);
set_bit(ICNSS_FW_DOWN, &priv->state);
icnss_ignore_fw_timeout(true);
}
icnss_driver_event_post(priv, ICNSS_DRIVER_EVENT_SERVER_EXIT,
0, NULL);
}
static struct qmi_ops wlfw_qmi_ops = {
.new_server = wlfw_new_server,
.del_server = wlfw_del_server,
};
int icnss_register_fw_service(struct icnss_priv *priv)
{
int ret;
ret = qmi_handle_init(&priv->qmi,
WLFW_BDF_DOWNLOAD_REQ_MSG_V01_MAX_MSG_LEN,
&wlfw_qmi_ops, wlfw_msg_handlers);
if (ret < 0)
return ret;
if (priv->device_id == WCN6750_DEVICE_ID)
ret = qmi_add_lookup(&priv->qmi, WLFW_SERVICE_ID_V01,
WLFW_SERVICE_VERS_V01,
WLFW_SERVICE_WCN_INS_ID_V01);
else
ret = qmi_add_lookup(&priv->qmi, WLFW_SERVICE_ID_V01,
WLFW_SERVICE_VERS_V01,
WLFW_SERVICE_INS_ID_V01);
return ret;
}
void icnss_unregister_fw_service(struct icnss_priv *priv)
{
qmi_handle_release(&priv->qmi);
}
int icnss_send_wlan_enable_to_fw(struct icnss_priv *priv,
struct icnss_wlan_enable_cfg *config,
enum icnss_driver_mode mode,
const char *host_version)
{
struct wlfw_wlan_cfg_req_msg_v01 req;
u32 i;
int ret;
icnss_pr_dbg("Mode: %d, config: %pK, host_version: %s\n",
mode, config, host_version);
memset(&req, 0, sizeof(req));
if (mode == ICNSS_WALTEST || mode == ICNSS_CCPM)
goto skip;
if (!config || !host_version) {
icnss_pr_err("Invalid cfg pointer, config: %pK, host_version: %pK\n",
config, host_version);
ret = -EINVAL;
goto out;
}
req.host_version_valid = 1;
strlcpy(req.host_version, host_version,
WLFW_MAX_STR_LEN + 1);
req.tgt_cfg_valid = 1;
if (config->num_ce_tgt_cfg > WLFW_MAX_NUM_CE)
req.tgt_cfg_len = WLFW_MAX_NUM_CE;
else
req.tgt_cfg_len = config->num_ce_tgt_cfg;
for (i = 0; i < req.tgt_cfg_len; i++) {
req.tgt_cfg[i].pipe_num = config->ce_tgt_cfg[i].pipe_num;
req.tgt_cfg[i].pipe_dir = config->ce_tgt_cfg[i].pipe_dir;
req.tgt_cfg[i].nentries = config->ce_tgt_cfg[i].nentries;
req.tgt_cfg[i].nbytes_max = config->ce_tgt_cfg[i].nbytes_max;
req.tgt_cfg[i].flags = config->ce_tgt_cfg[i].flags;
}
req.svc_cfg_valid = 1;
if (config->num_ce_svc_pipe_cfg > WLFW_MAX_NUM_SVC)
req.svc_cfg_len = WLFW_MAX_NUM_SVC;
else
req.svc_cfg_len = config->num_ce_svc_pipe_cfg;
for (i = 0; i < req.svc_cfg_len; i++) {
req.svc_cfg[i].service_id = config->ce_svc_cfg[i].service_id;
req.svc_cfg[i].pipe_dir = config->ce_svc_cfg[i].pipe_dir;
req.svc_cfg[i].pipe_num = config->ce_svc_cfg[i].pipe_num;
}
if (priv->device_id == WCN6750_DEVICE_ID) {
req.shadow_reg_v2_valid = 1;
if (config->num_shadow_reg_v2_cfg >
QMI_WLFW_MAX_NUM_SHADOW_REG_V2_V01)
req.shadow_reg_v2_len =
QMI_WLFW_MAX_NUM_SHADOW_REG_V2_V01;
else
req.shadow_reg_v2_len = config->num_shadow_reg_v2_cfg;
memcpy(req.shadow_reg_v2, config->shadow_reg_v2_cfg,
sizeof(struct wlfw_shadow_reg_v2_cfg_s_v01) *
req.shadow_reg_v2_len);
} else if (priv->device_id == ADRASTEA_DEVICE_ID) {
req.shadow_reg_valid = 1;
if (config->num_shadow_reg_cfg >
QMI_WLFW_MAX_NUM_SHADOW_REG_V01)
req.shadow_reg_len = QMI_WLFW_MAX_NUM_SHADOW_REG_V01;
else
req.shadow_reg_len = config->num_shadow_reg_cfg;
memcpy(req.shadow_reg, config->shadow_reg_cfg,
sizeof(struct wlfw_msi_cfg_s_v01) * req.shadow_reg_len);
}
ret = wlfw_wlan_cfg_send_sync_msg(priv, &req);
if (ret)
goto out;
skip:
ret = wlfw_wlan_mode_send_sync_msg(priv,
(enum wlfw_driver_mode_enum_v01)mode);
out:
if (test_bit(SKIP_QMI, &priv->ctrl_params.quirks))
ret = 0;
return ret;
}
int icnss_send_wlan_disable_to_fw(struct icnss_priv *priv)
{
enum wlfw_driver_mode_enum_v01 mode = QMI_WLFW_OFF_V01;
return wlfw_wlan_mode_send_sync_msg(priv, mode);
}
int icnss_send_vbatt_update(struct icnss_priv *priv, uint64_t voltage_uv)
{
int ret;
struct wlfw_vbatt_req_msg_v01 *req;
struct wlfw_vbatt_resp_msg_v01 *resp;
struct qmi_txn txn;
if (!priv)
return -ENODEV;
if (test_bit(ICNSS_FW_DOWN, &priv->state))
return -EINVAL;
icnss_pr_dbg("Sending Vbatt message, state: 0x%lx\n", priv->state);
req = kzalloc(sizeof(*req), GFP_KERNEL);
if (!req)
return -ENOMEM;
resp = kzalloc(sizeof(*resp), GFP_KERNEL);
if (!resp) {
kfree(req);
return -ENOMEM;
}
priv->stats.vbatt_req++;
req->voltage_uv = voltage_uv;
ret = qmi_txn_init(&priv->qmi, &txn, wlfw_vbatt_resp_msg_v01_ei, resp);
if (ret < 0) {
icnss_pr_err("Fail to init txn for Vbatt message resp %d\n",
ret);
goto out;
}
ret = qmi_send_request(&priv->qmi, NULL, &txn,
QMI_WLFW_VBATT_REQ_V01,
WLFW_VBATT_REQ_MSG_V01_MAX_MSG_LEN,
wlfw_vbatt_req_msg_v01_ei, req);
if (ret < 0) {
qmi_txn_cancel(&txn);
icnss_pr_err("Fail to send Vbatt message req %d\n", ret);
goto out;
}
ret = qmi_txn_wait(&txn, priv->ctrl_params.qmi_timeout);
if (ret < 0) {
icnss_pr_err("VBATT message resp wait failed with ret %d\n",
ret);
goto out;
} else if (resp->resp.result != QMI_RESULT_SUCCESS_V01) {
icnss_pr_err("QMI Vbatt message request rejected, result:%d error:%d\n",
resp->resp.result, resp->resp.error);
ret = -resp->resp.result;
goto out;
}
priv->stats.vbatt_resp++;
kfree(resp);
kfree(req);
return 0;
out:
kfree(resp);
kfree(req);
priv->stats.vbatt_req_err++;
return ret;
}
#ifdef CONFIG_ICNSS2_DEBUG
static inline u32 icnss_get_host_build_type(void)
{
return QMI_HOST_BUILD_TYPE_PRIMARY_V01;
}
#else
static inline u32 icnss_get_host_build_type(void)
{
return QMI_HOST_BUILD_TYPE_SECONDARY_V01;
}
#endif
int wlfw_host_cap_send_sync(struct icnss_priv *priv)
{
struct wlfw_host_cap_req_msg_v01 *req;
struct wlfw_host_cap_resp_msg_v01 *resp;
struct qmi_txn txn;
int ret = 0;
u64 iova_start = 0, iova_size = 0,
iova_ipa_start = 0, iova_ipa_size = 0;
icnss_pr_dbg("Sending host capability message, state: 0x%lx\n",
priv->state);
req = kzalloc(sizeof(*req), GFP_KERNEL);
if (!req)
return -ENOMEM;
resp = kzalloc(sizeof(*resp), GFP_KERNEL);
if (!resp) {
kfree(req);
return -ENOMEM;
}
req->num_clients_valid = 1;
if (test_bit(ENABLE_DAEMON_SUPPORT,
&priv->ctrl_params.quirks))
req->num_clients = 2;
else
req->num_clients = 1;
icnss_pr_dbg("Number of clients is %d\n", req->num_clients);
req->bdf_support_valid = 1;
req->bdf_support = 1;
req->cal_done_valid = 1;
req->cal_done = priv->cal_done;
icnss_pr_dbg("Calibration done is %d\n", priv->cal_done);
if (priv->smmu_s1_enable &&
!icnss_get_iova(priv, &iova_start, &iova_size) &&
!icnss_get_iova_ipa(priv, &iova_ipa_start,
&iova_ipa_size)) {
req->ddr_range_valid = 1;
req->ddr_range[0].start = iova_start;
req->ddr_range[0].size = iova_size + iova_ipa_size;
req->ddr_range[1].start = priv->msa_pa;
req->ddr_range[1].size = priv->msa_mem_size;
icnss_pr_dbg("Sending iova starting 0x%llx with size 0x%llx\n",
req->ddr_range[0].start, req->ddr_range[0].size);
icnss_pr_dbg("Sending msa starting 0x%llx with size 0x%llx\n",
req->ddr_range[1].start, req->ddr_range[1].size);
}
req->host_build_type_valid = 1;
req->host_build_type = icnss_get_host_build_type();
ret = qmi_txn_init(&priv->qmi, &txn,
wlfw_host_cap_resp_msg_v01_ei, resp);
if (ret < 0) {
icnss_pr_err("Failed to initialize txn for host capability request, err: %d\n",
ret);
goto out;
}
ret = qmi_send_request(&priv->qmi, NULL, &txn,
QMI_WLFW_HOST_CAP_REQ_V01,
WLFW_HOST_CAP_REQ_MSG_V01_MAX_MSG_LEN,
wlfw_host_cap_req_msg_v01_ei, req);
if (ret < 0) {
qmi_txn_cancel(&txn);
icnss_pr_err("Failed to send host capability request, err: %d\n",
ret);
goto out;
}
ret = qmi_txn_wait(&txn, priv->ctrl_params.qmi_timeout);
if (ret < 0) {
icnss_pr_err("Failed to wait for response of host capability request, err: %d\n",
ret);
goto out;
}
if (resp->resp.result != QMI_RESULT_SUCCESS_V01) {
icnss_pr_err("Host capability request failed, result: %d, err: %d\n",
resp->resp.result, resp->resp.error);
ret = -resp->resp.result;
goto out;
}
kfree(req);
kfree(resp);
return 0;
out:
ICNSS_ASSERT(0);
kfree(req);
kfree(resp);
return ret;
}
int icnss_wlfw_get_info_send_sync(struct icnss_priv *plat_priv, int type,
void *cmd, int cmd_len)
{
struct wlfw_get_info_req_msg_v01 *req;
struct wlfw_get_info_resp_msg_v01 *resp;
struct qmi_txn txn;
int ret = 0;
if (cmd_len > QMI_WLFW_MAX_DATA_SIZE_V01)
return -EINVAL;
if (test_bit(ICNSS_FW_DOWN, &plat_priv->state))
return -EINVAL;
req = kzalloc(sizeof(*req), GFP_KERNEL);
if (!req)
return -ENOMEM;
resp = kzalloc(sizeof(*resp), GFP_KERNEL);
if (!resp) {
kfree(req);
return -ENOMEM;
}
req->type = type;
req->data_len = cmd_len;
memcpy(req->data, cmd, req->data_len);
ret = qmi_txn_init(&plat_priv->qmi, &txn,
wlfw_get_info_resp_msg_v01_ei, resp);
if (ret < 0) {
icnss_pr_err("Failed to initialize txn for get info request, err: %d\n",
ret);
goto out;
}
ret = qmi_send_request(&plat_priv->qmi, NULL, &txn,
QMI_WLFW_GET_INFO_REQ_V01,
WLFW_GET_INFO_REQ_MSG_V01_MAX_MSG_LEN,
wlfw_get_info_req_msg_v01_ei, req);
if (ret < 0) {
qmi_txn_cancel(&txn);
icnss_pr_err("Failed to send get info request, err: %d\n",
ret);
goto out;
}
ret = qmi_txn_wait(&txn, plat_priv->ctrl_params.qmi_timeout);
if (ret < 0) {
icnss_pr_err("Failed to wait for response of get info request, err: %d\n",
ret);
goto out;
}
if (resp->resp.result != QMI_RESULT_SUCCESS_V01) {
icnss_pr_err("Get info request failed, result: %d, err: %d\n",
resp->resp.result, resp->resp.error);
ret = -resp->resp.result;
goto out;
}
kfree(req);
kfree(resp);
return 0;
out:
kfree(req);
kfree(resp);
return ret;
}